_irqrestore+0x6d/0xd0
[  226.771471]  ? trace_hardirqs_on+0xbd/0x310
[  226.775789]  ? kasan_check_read+0x11/0x20
[  226.779935]  ? __run_timers+0x7da/0xc70
[  226.783908]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.789359]  ? kasan_check_write+0x14/0x20
[  226.793593]  ? do_raw_spin_lock+0xc1/0x200
[  226.797918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.802150]  __run_timers+0x7e5/0xc70
[  226.805954]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.811312]  ? compat_start_thread+0x80/0x80
[  226.815721]  ? dequeue_entity+0x1770/0x1770
[  226.820037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.825567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.831131]  ? _raw_spin_unlock_irq+0x60/0x80
[  226.835645]  ? finish_task_switch+0x1f5/0x900
[  226.840154]  ? finish_task_switch+0x1b5/0x900
[  226.844649]  ? __switch_to_asm+0x34/0x70
[  226.848708]  ? preempt_notifier_register+0x200/0x200
[  226.853823]  ? __switch_to_asm+0x34/0x70
[  226.857896]  ? __switch_to_asm+0x40/0x70
[  226.861952]  ? __switch_to_asm+0x34/0x70
[  226.866020]  ? __switch_to_asm+0x40/0x70
[  226.870076]  ? __switch_to_asm+0x34/0x70
[  226.874139]  ? __switch_to_asm+0x40/0x70
[  226.878211]  ? __switch_to_asm+0x40/0x70
[  226.882272]  ? pvclock_read_flags+0x160/0x160
[  226.886785]  ? __schedule+0x874/0x1ed0
[  226.890675]  ? run_rebalance_domains+0x38d/0x500
[  226.895433]  ? trace_hardirqs_on+0xbd/0x310
[  226.899754]  ? kvm_sched_clock_read+0x9/0x20
[  226.904206]  ? run_ksoftirqd+0x94/0x100
[  226.908179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.913715]  ? check_preemption_disabled+0x48/0x200
[  226.918744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.924300]  run_timer_softirq+0x52/0xb0
[  226.928365]  ? __this_cpu_preempt_check+0x1c/0x1f
[  226.933209]  __do_softirq+0x30b/0xad8
[  226.937028]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.942130]  ? trace_hardirqs_off+0xb8/0x310
[  226.946540]  ? schedule+0x108/0x460
[  226.950177]  ? __schedule+0x1ed0/0x1ed0
[  226.954149]  ? run_ksoftirqd+0x40/0x100
[  226.958125]  ? trace_hardirqs_off+0xb8/0x310
[  226.962533]  ? ___might_sleep+0x1ed/0x300
[  226.966696]  ? smpboot_thread_fn+0x68b/0xa00
[  226.971103]  ? trace_hardirqs_on+0x310/0x310
[  226.975514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.981067]  ? check_preemption_disabled+0x48/0x200
[  226.986098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.991643]  ? takeover_tasklets+0xa90/0xa90
[  226.996049]  run_ksoftirqd+0x94/0x100
[  226.999851]  smpboot_thread_fn+0x68b/0xa00
[  227.004088]  ? sort_range+0x30/0x30
[  227.007725]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.012841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.018379]  ? __kthread_parkme+0xfb/0x1a0
[  227.022620]  kthread+0x35a/0x420
[  227.025981]  ? sort_range+0x30/0x30
[  227.029623]  ? kthread_bind+0x40/0x40
[  227.033442]  ret_from_fork+0x3a/0x50
[  227.037192] warn_alloc_show_mem: 1 callbacks suppressed
[  227.037204] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  227.037206] Mem-Info:
[  227.037238] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  227.037238]  active_file:15 inactive_file:15 isolated_file:0
[  227.037238]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.037238]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  227.037238]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  227.037238]  free:13623 free_pcp:480 free_cma:0
[  227.042583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.049890] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  227.052287] Call Trace:
[  227.085372] Node 0 
[  227.094723]  <IRQ>
[  227.122494] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  227.125061]  dump_stack+0x1c4/0x2b4
[  227.127257] lowmem_reserve[]:
[  227.129402]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.154881]  0
[  227.158540]  warn_alloc.cold.119+0xb7/0x1bd
[  227.161602]  2819 6323
[  227.166791]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.168560]  6323
[  227.172872]  ? lock_downgrade+0x900/0x900
[  227.180205]  ? trace_hardirqs_off+0xb8/0x310
[  227.182239] Node 0 
[  227.186378]  ? trace_hardirqs_off+0xb8/0x310
[  227.190783] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  227.192991]  __alloc_pages_slowpath+0x2667/0x2d80
[  227.197365] lowmem_reserve[]:
[  227.224275]  ? warn_alloc+0x120/0x120
[  227.229082]  0
[  227.232182]  ? warn_alloc+0x120/0x120
[  227.235954]  0
[  227.237767]  ? warn_alloc+0x120/0x120
[  227.241554]  3503
[  227.243362]  ? mark_held_locks+0x130/0x130
[  227.247146]  3503
[  227.249205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.255486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.260995] Node 0 
[  227.266545]  ? should_fail+0x22d/0xd01
[  227.266579] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  227.268783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.272641] lowmem_reserve[]:
[  227.301190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.306277]  0
[  227.309380]  ? should_fail+0x22d/0xd01
[  227.314888]  0
[  227.316685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.320818]  0
[  227.322615]  ? should_fail+0x22d/0xd01
[  227.327688]  0
[  227.329484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.335144]  ? mark_held_locks+0x130/0x130
[  227.340232] Node 0 DMA: 
[  227.344476]  ? mark_held_locks+0x130/0x130
[  227.344495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.347145] 1*4kB 
[  227.351378]  ? trace_hardirqs_off+0xb8/0x310
[  227.356883] (U) 
[  227.359044]  ? kasan_check_read+0x11/0x20
[  227.363420] 0*8kB 
[  227.365408]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.369533] 0*16kB 
[  227.371676]  ? trace_hardirqs_on+0x310/0x310
[  227.376065] 1*32kB 
[  227.378295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.382668] (U) 
[  227.384896]  ? wq_watchdog_touch+0x9c/0xfe
[  227.390404] 2*64kB 
[  227.392379]  ? io_serial_in+0x11/0x90
[  227.396602] (U) 
[  227.398830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.402604] 1*128kB 
[  227.404599]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.410102] (U) 1*256kB 
[  227.412447]  __alloc_pages_nodemask+0xa80/0xde0
[  227.417515] (U) 
[  227.420182]  ? should_fail+0x22d/0xd01
[  227.424821] 0*512kB 
[  227.426788]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.430646] 1*1024kB 
[  227.432977]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.438173] (U) 1*2048kB 
[  227.440594]  ? lock_downgrade+0x900/0x900
[  227.445234] (M) 
[  227.447990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.452101] 3*4096kB (M) 
[  227.454079]  cache_grow_begin+0x91/0x8c0
[  227.459583] = 15908kB
[  227.462334]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.466373] Node 0 
[  227.468774]  fallback_alloc+0x203/0x2e0
[  227.473167] DMA32: 
[  227.475425]  ____cache_alloc_node+0x1c7/0x1e0
[  227.479369] 3*4kB 
[  227.481596]  kmem_cache_alloc_node+0xe3/0x730
[  227.486068] (UM) 
[  227.488213]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.492676] 2*8kB 
[  227.494732]  __alloc_skb+0x119/0x770
[  227.498942] (UM) 
[  227.501110]  ? skb_scrub_packet+0x490/0x490
[  227.504813] 2*16kB 
[  227.506867]  ? lock_downgrade+0x900/0x900
[  227.511170] (M) 
[  227.513397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.517517] 2*32kB 
[  227.519485]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.525006] (M) 
[  227.527234]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.532654] 4*64kB 
[  227.534634]  ? addrconf_rs_timer+0x690/0x690
[  227.540054] (M) 
[  227.542298]  ndisc_alloc_skb+0x144/0x340
[  227.546680] 3*128kB 
[  227.548649]  ndisc_send_rs+0x331/0x6e0
[  227.552684] (M) 
[  227.555003]  addrconf_rs_timer+0x314/0x690
[  227.558866] 4*256kB 
[  227.560835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.565057] (UM) 
[  227.567875]  call_timer_fn+0x272/0x920
[  227.572081] 3*512kB 
[  227.574137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.577995] (M) 
[  227.580312]  ? process_timeout+0x40/0x40
[  227.584529] 3*1024kB 
[  227.586494]  ? trace_hardirqs_off+0xb8/0x310
[  227.590524] (UM) 
[  227.592932]  ? kasan_check_read+0x11/0x20
[  227.597307] 3*2048kB 
[  227.599375]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.603489] (M) 
[  227.605977]  ? trace_hardirqs_on+0x310/0x310
[  227.610388] 3*4096kB 
[  227.612374]  ? __run_timers+0x7da/0xc70
[  227.616748] (M) 
[  227.619155]  ? lock_downgrade+0x900/0x900
[  227.623120] = 24828kB
[  227.625095]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.629214] Node 0 
[  227.631631]  ? trace_hardirqs_on+0xbd/0x310
[  227.636708] Normal: 
[  227.638943]  ? kasan_check_read+0x11/0x20
[  227.643233] 1555*4kB 
[  227.645550]  ? __run_timers+0x7da/0xc70
[  227.649665] (UMEH) 
[  227.652104]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.656046] 298*8kB 
[  227.658291]  ? kasan_check_write+0x14/0x20
[  227.663730] (ME) 
[  227.666048]  ? do_raw_spin_lock+0xc1/0x200
[  227.670251] 96*16kB 
[  227.672304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.676512] (ME) 
[  227.678844]  __run_timers+0x7e5/0xc70
[  227.683047] 43*32kB 
[  227.685108]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  227.688870] (UME) 
[  227.691190]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.696521] 31*64kB 
[  227.698665]  ? timerqueue_add+0x207/0x2b0
[  227.703651] (UM) 
[  227.705973]  ? enqueue_hrtimer+0x1a5/0x560
[  227.710111] 0*128kB 
[  227.712167]  ? lock_release+0x970/0x970
[  227.716372] 1*256kB 
[  227.718688]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  227.722635] (U) 
[  227.724956]  ? kasan_check_write+0x14/0x20
[  227.730116] 0*512kB 
[  227.732086]  ? pvclock_read_flags+0x160/0x160
[  227.736288] 0*1024kB 
[  227.738604]  ? lock_downgrade+0x900/0x900
[  227.743073] 0*2048kB 
[  227.745479]  ? trace_hardirqs_on+0xbd/0x310
[  227.749601] 0*4096kB 
[  227.752018]  ? kvm_sched_clock_read+0x9/0x20
[  227.756309] = 13756kB
[  227.758723]  ? irq_exit+0x17f/0x1c0
[  227.763122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  227.765521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.769121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  227.777969]  ? check_preemption_disabled+0x48/0x200
[  227.783474] 3632 total pagecache pages
[  227.792090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.797090] 0 pages in swap cache
[  227.800993]  run_timer_softirq+0x52/0xb0
[  227.806502] Swap cache stats: add 0, delete 0, find 0/0
[  227.809947]  ? __this_cpu_preempt_check+0x1c/0x1f
[  227.813976] Free swap  = 0kB
[  227.819331]  __do_softirq+0x30b/0xad8
[  227.824150] Total swap = 0kB
[  227.827164]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  227.830934] 1965979 pages RAM
[  227.833961]  ? pvclock_read_flags+0x160/0x160
[  227.839026] 0 pages HighMem/MovableOnly
[  227.839034] 342307 pages reserved
[  227.842129]  ? lapic_next_event+0x5a/0x90
[  227.846593] 0 pages cma reserved
[  227.850558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.854048] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  227.858147]  ? clockevents_program_event+0x140/0x370
[  227.858166]  ? kvm_clock_read+0x18/0x30
[  227.861566] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.867041]  ? kvm_sched_clock_read+0x9/0x20
[  227.873509] ksoftirqd/0 cpuset=
[  227.878622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.882571] /
[  227.892912]  ? check_preemption_disabled+0x48/0x200
[  227.897290]  mems_allowed=0
[  227.900564]  irq_exit+0x17f/0x1c0
[  227.919155]  smp_apic_timer_interrupt+0x1cb/0x760
[  227.924002]  ? smp_reschedule_interrupt+0x109/0x650
[  227.929014]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.934899]  ? interrupt_entry+0xb5/0xf0
[  227.938961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.943973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.948991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.953830]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.958859]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.963876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.969413]  ? check_preemption_disabled+0x48/0x200
[  227.974423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.979963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.984838]  apic_timer_interrupt+0xf/0x20
[  227.989068]  </IRQ>
[  227.991310] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  227.996243] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  228.015141] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  228.022849] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  228.030116] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  228.037382] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  228.044646] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  228.051913] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  228.059206]  ? trace_hardirqs_on+0xb4/0x310
[  228.063536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.069078]  skb_clone+0x1bb/0x500
[  228.072622]  ? finish_task_switch+0x2f5/0x900
[  228.077165]  ? skb_split+0x11e0/0x11e0
[  228.081057]  ? preempt_notifier_register+0x200/0x200
[  228.086191]  ? __switch_to_asm+0x34/0x70
[  228.090250]  ? __switch_to_asm+0x34/0x70
[  228.094307]  ? __switch_to_asm+0x40/0x70
[  228.098401]  ? __switch_to_asm+0x34/0x70
[  228.102502]  ? __switch_to_asm+0x40/0x70
[  228.106555]  ? __switch_to_asm+0x34/0x70
[  228.110623]  ? __switch_to_asm+0x40/0x70
[  228.114684]  ? __switch_to_asm+0x34/0x70
[  228.118743]  ? __switch_to_asm+0x34/0x70
[  228.122811]  ? __switch_to_asm+0x40/0x70
[  228.126867]  ? __switch_to_asm+0x34/0x70
[  228.130931]  bpf_clone_redirect+0xb9/0x490
[  228.135167]  ? __schedule+0x874/0x1ed0
[  228.139086]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  228.144122]  ? __sched_text_start+0x8/0x8
[  228.148268]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.153026]  ? retint_kernel+0x2d/0x2d
[  228.156919]  ? lock_acquire+0x1ed/0x520
[  228.160908]  ? bpf_test_run+0x3cb/0x780
[  228.164883]  ? lock_release+0x970/0x970
[  228.168855]  ? preempt_schedule+0x4d/0x60
[  228.173002]  ? preempt_schedule_common+0x1f/0xd0
[  228.177757]  ? preempt_schedule+0x4d/0x60
[  228.181923]  ? ___preempt_schedule+0x16/0x18
[  228.186344]  ? bpf_test_run+0x25d/0x780
[  228.190323]  ? netlink_diag_dump+0x2a0/0x2a0
[  228.194744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.200293]  ? bpf_test_init.isra.9+0x70/0x100
[  228.204880]  ? bpf_prog_test_run_skb+0x634/0xb40
[  228.209639]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.214486]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  228.220024]  ? fput+0x130/0x1a0
[  228.223304]  ? __bpf_prog_get+0x9b/0x290
[  228.227375]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.232232]  ? bpf_prog_test_run+0x130/0x1a0
[  228.236639]  ? __x64_sys_bpf+0x3d8/0x510
[  228.240697]  ? bpf_prog_get+0x20/0x20
[  228.244512]  ? do_syscall_64+0x1b9/0x820
[  228.248588]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  228.253954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  228.258885]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.263901]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  228.268918]  ? recalc_sigpending_tsk+0x180/0x180
[  228.273672]  ? kasan_check_write+0x14/0x20
[  228.277907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.282768]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  228.288146] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  228.288211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.294991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.301569] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.310805] Call Trace:
[  228.321276] syz-executor4 cpuset=syz4 mems_allowed=0
[  228.323860]  dump_stack+0x1c4/0x2b4
[  228.323875]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.337791]  warn_alloc.cold.119+0xb7/0x1bd
[  228.342123]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.346966]  ? lock_downgrade+0x900/0x900
[  228.351116]  ? trace_hardirqs_off+0xb8/0x310
[  228.355524]  ? trace_hardirqs_off+0xb8/0x310
[  228.359935]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.364799]  ? warn_alloc+0x120/0x120
[  228.368616]  ? warn_alloc+0x120/0x120
[  228.372413]  ? warn_alloc+0x120/0x120
[  228.376235]  ? warn_alloc+0x120/0x120
[  228.380030]  ? warn_alloc+0x120/0x120
[  228.383842]  ? mark_held_locks+0x130/0x130
[  228.388075]  ? mark_held_locks+0x130/0x130
[  228.392326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.397868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.403402]  ? should_fail+0x22d/0xd01
[  228.407283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.412381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.417912]  ? should_fail+0x22d/0xd01
[  228.421825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.426925]  ? should_fail+0x22d/0xd01
[  228.430813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.435929]  ? mark_held_locks+0x130/0x130
[  228.440158]  ? mark_held_locks+0x130/0x130
[  228.444389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.449943]  ? trace_hardirqs_off+0xb8/0x310
[  228.454357]  ? kasan_check_read+0x11/0x20
[  228.458509]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.462932]  ? trace_hardirqs_on+0x310/0x310
[  228.467344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.472882]  ? wq_watchdog_touch+0x9c/0xfe
[  228.477114]  ? io_serial_in+0x11/0x90
[  228.480928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.486487]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.491603]  __alloc_pages_nodemask+0xa80/0xde0
[  228.496277]  ? should_fail+0x22d/0xd01
[  228.500166]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.505222]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.509896]  ? lock_downgrade+0x900/0x900
[  228.514048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.519590]  cache_grow_begin+0x91/0x8c0
[  228.523661]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.528070]  fallback_alloc+0x203/0x2e0
[  228.532043]  ____cache_alloc_node+0x1c7/0x1e0
[  228.536540]  kmem_cache_alloc_node+0xe3/0x730
[  228.541034]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.545271]  __alloc_skb+0x119/0x770
[  228.548990]  ? skb_scrub_packet+0x490/0x490
[  228.553311]  ? lock_downgrade+0x900/0x900
[  228.557470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.563009]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.568462]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.573909]  ? addrconf_rs_timer+0x690/0x690
[  228.578325]  ndisc_alloc_skb+0x144/0x340
[  228.582395]  ndisc_send_rs+0x331/0x6e0
[  228.586281]  addrconf_rs_timer+0x314/0x690
[  228.590528]  ? lock_release+0x970/0x970
[  228.594498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.598739]  call_timer_fn+0x272/0x920
[  228.602631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.606865]  ? process_timeout+0x40/0x40
[  228.610927]  ? kasan_check_read+0x11/0x20
[  228.615076]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.619515]  ? trace_hardirqs_on+0x310/0x310
[  228.623925]  ? __run_timers+0x7da/0xc70
[  228.627903]  ? lock_downgrade+0x900/0x900
[  228.632056]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.637180]  ? trace_hardirqs_on+0xbd/0x310
[  228.641529]  ? kasan_check_read+0x11/0x20
[  228.645673]  ? __run_timers+0x7da/0xc70
[  228.649709]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.655175]  ? kasan_check_write+0x14/0x20
[  228.659430]  ? do_raw_spin_lock+0xc1/0x200
[  228.663715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.667952]  __run_timers+0x7e5/0xc70
[  228.671779]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.677138]  ? compat_start_thread+0x80/0x80
[  228.681545]  ? dequeue_entity+0x1770/0x1770
[  228.685869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.691407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.696952]  ? _raw_spin_unlock_irq+0x60/0x80
[  228.701449]  ? finish_task_switch+0x1f5/0x900
[  228.705942]  ? finish_task_switch+0x1b5/0x900
[  228.710443]  ? __switch_to_asm+0x34/0x70
[  228.714509]  ? preempt_notifier_register+0x200/0x200
[  228.719617]  ? __switch_to_asm+0x34/0x70
[  228.723674]  ? __switch_to_asm+0x40/0x70
[  228.727731]  ? __switch_to_asm+0x34/0x70
[  228.731790]  ? __switch_to_asm+0x40/0x70
[  228.735894]  ? __switch_to_asm+0x34/0x70
[  228.739949]  ? __switch_to_asm+0x40/0x70
[  228.744010]  ? __switch_to_asm+0x40/0x70
[  228.748088]  ? pvclock_read_flags+0x160/0x160
[  228.752619]  ? __schedule+0x874/0x1ed0
[  228.756523]  ? run_rebalance_domains+0x38d/0x500
[  228.761284]  ? trace_hardirqs_on+0xbd/0x310
[  228.765611]  ? kvm_sched_clock_read+0x9/0x20
[  228.770019]  ? run_ksoftirqd+0x94/0x100
[  228.774009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.779546]  ? check_preemption_disabled+0x48/0x200
[  228.784561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.790120]  run_timer_softirq+0x52/0xb0
[  228.794182]  ? __this_cpu_preempt_check+0x1c/0x1f
[  228.799021]  __do_softirq+0x30b/0xad8
[  228.802833]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.807930]  ? trace_hardirqs_off+0xb8/0x310
[  228.812349]  ? schedule+0x108/0x460
[  228.815988]  ? __schedule+0x1ed0/0x1ed0
[  228.819979]  ? run_ksoftirqd+0x40/0x100
[  228.823968]  ? trace_hardirqs_off+0xb8/0x310
[  228.828394]  ? ___might_sleep+0x1ed/0x300
[  228.832553]  ? smpboot_thread_fn+0x68b/0xa00
[  228.836960]  ? trace_hardirqs_on+0x310/0x310
[  228.841373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.846931]  ? check_preemption_disabled+0x48/0x200
[  228.851948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.857487]  ? takeover_tasklets+0xa90/0xa90
[  228.861923]  run_ksoftirqd+0x94/0x100
[  228.865777]  smpboot_thread_fn+0x68b/0xa00
[  228.870010]  ? sort_range+0x30/0x30
[  228.873640]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.878772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.884306]  ? __kthread_parkme+0xfb/0x1a0
[  228.888553]  kthread+0x35a/0x420
[  228.891917]  ? sort_range+0x30/0x30
[  228.895540]  ? kthread_bind+0x40/0x40
[  228.899351]  ret_from_fork+0x3a/0x50
[  228.903069] warn_alloc_show_mem: 1 callbacks suppressed
[  228.903082] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  228.903084] Mem-Info:
[  228.903117] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  228.903117]  active_file:15 inactive_file:15 isolated_file:0
[  228.903117]  unevictable:0 dirty:0 writeback:0 unstable:0
[  228.903117]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  228.903117]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  228.903117]  free:13623 free_pcp:480 free_cma:0
[  228.908458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.915735] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  228.918138] Call Trace:
[  228.951189] Node 0 
[  228.960572]  <IRQ>
[  228.988353] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  228.990918]  dump_stack+0x1c4/0x2b4
[  228.993117] lowmem_reserve[]:
[  228.995258]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.020747]  0
[  229.024397]  warn_alloc.cold.119+0xb7/0x1bd
[  229.027461]  2819
[  229.032640]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.034437]  6323
[  229.038748]  ? lock_downgrade+0x900/0x900
[  229.040798]  6323
[  229.045648]  ? trace_hardirqs_off+0xb8/0x310
[  229.051852]  ? trace_hardirqs_off+0xb8/0x310
[  229.053889] Node 0 
[  229.058301]  __alloc_pages_slowpath+0x2667/0x2d80
[  229.062721] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  229.064948]  ? warn_alloc+0x120/0x120
[  229.069749] lowmem_reserve[]:
[  229.096663]  ? trace_hardirqs_on+0x310/0x310
[  229.100431]  0
[  229.103529]  ? warn_alloc+0x120/0x120
[  229.107906]  0
[  229.109694]  ? warn_alloc+0x120/0x120
[  229.113466]  3503
[  229.115259]  ? ktime_get+0x2e1/0x440
[  229.119029]  3503
[  229.121087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.126878]  ? check_preemption_disabled+0x48/0x200
[  229.132384] Node 0 
[  229.137389]  ? kasan_check_read+0x11/0x20
[  229.137416] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  229.137422] lowmem_reserve[]:
[  229.139674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.143792]  0
[  229.172346]  ? should_fail+0x22d/0xd01
[  229.175424]  0
[  229.180952]  ? rcu_bh_qs+0xc0/0xc0
[  229.182725]  0
[  229.186607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.188385]  0
[  229.191922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.193696] Node 0 
[  229.198812]  ? should_fail+0x22d/0xd01
[  229.200612] DMA: 
[  229.206145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.208363] 1*4kB 
[  229.212239]  ? should_fail+0x22d/0xd01
[  229.214272] (U) 
[  229.219382]  ? rcu_idle_enter+0x4b0/0x4b0
[  229.221501] 0*8kB 
[  229.225377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.227329] 0*16kB 
[  229.231519]  ? mark_held_locks+0x130/0x130
[  229.233668] 1*32kB (U) 
[  229.238776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.240986] 2*64kB 
[  229.245240]  ? mark_held_locks+0x130/0x130
[  229.247795] (U) 
[  229.253329]  ? rcu_irq_exit+0xce/0x100
[  229.255568] 1*128kB 
[  229.259796]  ? irq_exit+0xbd/0x1c0
[  229.261741] (U) 
[  229.265621]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  229.267916] 1*256kB 
[  229.271448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.273408] (U) 
[  229.278436]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.280733] 0*512kB 
[  229.285140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.287087] 1*1024kB 
[  229.292967]  ? ret_from_intr+0xb/0x1e
[  229.295265] (U) 
[  229.300794]  ? retint_kernel+0x2d/0x2d
[  229.303177] 1*2048kB 
[  229.306970]  ? trace_hardirqs_on_caller+0xc0/0x310
[  229.308919] (M) 
[  229.312802]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.315184] 3*4096kB 
[  229.320107]  ? trace_hardirqs_off+0x310/0x310
[  229.322052] (M) 
[  229.326801]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.329183] = 15908kB
[  229.333670]  __alloc_pages_nodemask+0xa80/0xde0
[  229.335616] Node 0 
[  229.340709]  ? should_fail+0x22d/0xd01
[  229.343107] DMA32: 
[  229.347767]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.349976] 3*4kB 
[  229.353863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.356058] (UM) 
[  229.361083]  ? lock_downgrade+0x900/0x900
[  229.363202] 2*8kB 
[  229.367877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.369914] (UM) 
[  229.374058]  cache_grow_begin+0x91/0x8c0
[  229.376181] 2*16kB 
[  229.381708]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.383744] (M) 
[  229.387800]  fallback_alloc+0x203/0x2e0
[  229.390009] 2*32kB 
[  229.394412]  ____cache_alloc_node+0x1c7/0x1e0
[  229.396367] (M) 
[  229.400334]  kmem_cache_alloc_node+0xe3/0x730
[  229.402551] 4*64kB 
[  229.407033]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.409006] (M) 
[  229.413509]  __alloc_skb+0x119/0x770
[  229.415717] 3*128kB 
[  229.419939]  ? skb_scrub_packet+0x490/0x490
[  229.421891] (M) 
[  229.425593]  ? lock_downgrade+0x900/0x900
[  229.427931] 4*256kB 
[  229.432247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.434245] (UM) 3*512kB 
[  229.438596]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.440897] (M) 
[  229.446431]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.449178] 3*1024kB 
[  229.454637]  ? addrconf_rs_timer+0x690/0x690
[  229.456582] (UM) 
[  229.462023]  ndisc_alloc_skb+0x144/0x340
[  229.464406] 3*2048kB 
[  229.468810]  ndisc_send_rs+0x331/0x6e0
[  229.470878] (M) 
[  229.474931]  addrconf_rs_timer+0x314/0x690
[  229.477317] 3*4096kB 
[  229.481213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.483161] (M) 
[  229.487388]  call_timer_fn+0x272/0x920
[  229.489768] = 24828kB
[  229.493992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.495944] Node 0 
[  229.499827]  ? process_timeout+0x40/0x40
[  229.502213] Normal: 
[  229.506441]  ? trace_hardirqs_off+0xb8/0x310
[  229.508649] 1555*4kB 
[  229.512707]  ? kasan_check_read+0x11/0x20
[  229.514999] (UMEH) 
[  229.519414]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.521796] 298*8kB 
[  229.525965]  ? trace_hardirqs_on+0x310/0x310
[  229.528173] (ME) 
[  229.532581]  ? __run_timers+0x7da/0xc70
[  229.534875] 96*16kB 
[  229.539274]  ? lock_downgrade+0x900/0x900
[  229.541307] (ME) 
[  229.545278]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.547571] 43*32kB 
[  229.551717]  ? trace_hardirqs_on+0xbd/0x310
[  229.553750] (UME) 
[  229.558863]  ? kasan_check_read+0x11/0x20
[  229.561156] 31*64kB 
[  229.565469]  ? __run_timers+0x7da/0xc70
[  229.567760] (UM) 
[  229.571904]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.574199] 0*128kB 
[  229.578179]  ? kasan_check_write+0x14/0x20
[  229.580212] 1*256kB 
[  229.585654]  ? do_raw_spin_lock+0xc1/0x200
[  229.587948] (U) 
[  229.592171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.594562] 0*512kB 
[  229.598789]  __run_timers+0x7e5/0xc70
[  229.600736] 0*1024kB 
[  229.604965]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.607258] 0*2048kB 
[  229.611063]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.613444] 0*4096kB 
[  229.618799]  ? timerqueue_add+0x207/0x2b0
[  229.621181] = 13756kB
[  229.626186]  ? enqueue_hrtimer+0x1a5/0x560
[  229.628574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  229.632708]  ? lock_release+0x970/0x970
[  229.635102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  229.639332]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  229.648147] 3632 total pagecache pages
[  229.652120]  ? kasan_check_write+0x14/0x20
[  229.660661] 0 pages in swap cache
[  229.665861]  ? pvclock_read_flags+0x160/0x160
[  229.669722] Swap cache stats: add 0, delete 0, find 0/0
[  229.673945]  ? lock_downgrade+0x900/0x900
[  229.677398] Free swap  = 0kB
[  229.681883]  ? trace_hardirqs_on+0xbd/0x310
[  229.687214] Total swap = 0kB
[  229.691377]  ? kvm_sched_clock_read+0x9/0x20
[  229.694369] 1965979 pages RAM
[  229.698684]  ? irq_exit+0x17f/0x1c0
[  229.701674] 0 pages HighMem/MovableOnly
[  229.706077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.709152] 342307 pages reserved
[  229.712783]  ? check_preemption_disabled+0x48/0x200
[  229.716726] 0 pages cma reserved
[  229.722256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.725746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.730689]  run_timer_softirq+0x52/0xb0
[  229.734209] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.739561]  ? __this_cpu_preempt_check+0x1c/0x1f
[  229.746025] ksoftirqd/0 cpuset=
[  229.750075]  __do_softirq+0x30b/0xad8
[  229.760364] /
[  229.765204]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.768455]  mems_allowed=0
[  229.772248]  ? pvclock_read_flags+0x160/0x160
[  229.786427]  ? lapic_next_event+0x5a/0x90
[  229.790573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.796115]  ? clockevents_program_event+0x140/0x370
[  229.801256]  ? kvm_clock_read+0x18/0x30
[  229.805227]  ? kvm_sched_clock_read+0x9/0x20
[  229.809641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.815182]  ? check_preemption_disabled+0x48/0x200
[  229.820203]  irq_exit+0x17f/0x1c0
[  229.823655]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.828490]  ? smp_reschedule_interrupt+0x109/0x650
[  229.833504]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.839391]  ? interrupt_entry+0xb5/0xf0
[  229.843455]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.848470]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.853606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.858447]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.863457]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.868476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.874023]  ? check_preemption_disabled+0x48/0x200
[  229.879037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.884581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.889427]  apic_timer_interrupt+0xf/0x20
[  229.893667]  </IRQ>
[  229.895918] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  229.900844] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  229.919786] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  229.927500] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  229.934766] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  229.942036] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  229.949318] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  229.956593] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  229.963911]  ? trace_hardirqs_on+0xb4/0x310
[  229.968274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.973814]  skb_clone+0x1bb/0x500
[  229.977377]  ? finish_task_switch+0x2f5/0x900
[  229.981876]  ? skb_split+0x11e0/0x11e0
[  229.985772]  ? preempt_notifier_register+0x200/0x200
[  229.990909]  ? __switch_to_asm+0x34/0x70
[  229.994966]  ? __switch_to_asm+0x34/0x70
[  229.999023]  ? __switch_to_asm+0x40/0x70
[  230.003084]  ? __switch_to_asm+0x34/0x70
[  230.007146]  ? __switch_to_asm+0x40/0x70
[  230.011201]  ? __switch_to_asm+0x34/0x70
[  230.015258]  ? __switch_to_asm+0x40/0x70
[  230.019313]  ? __switch_to_asm+0x34/0x70
[  230.023385]  ? __switch_to_asm+0x34/0x70
[  230.027458]  ? __switch_to_asm+0x40/0x70
[  230.031516]  ? __switch_to_asm+0x34/0x70
[  230.035578]  bpf_clone_redirect+0xb9/0x490
[  230.039841]  ? __schedule+0x874/0x1ed0
[  230.043759]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  230.048772]  ? __sched_text_start+0x8/0x8
[  230.052948]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.057709]  ? retint_kernel+0x2d/0x2d
[  230.061610]  ? lock_acquire+0x1ed/0x520
[  230.065600]  ? bpf_test_run+0x3cb/0x780
[  230.069576]  ? lock_release+0x970/0x970
[  230.073543]  ? preempt_schedule+0x4d/0x60
[  230.077725]  ? preempt_schedule_common+0x1f/0xd0
[  230.082482]  ? preempt_schedule+0x4d/0x60
[  230.086631]  ? ___preempt_schedule+0x16/0x18
[  230.091059]  ? bpf_test_run+0x25d/0x780
[  230.095043]  ? netlink_diag_dump+0x2a0/0x2a0
[  230.099458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.105007]  ? bpf_test_init.isra.9+0x70/0x100
[  230.109587]  ? bpf_prog_test_run_skb+0x634/0xb40
[  230.114367]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  230.119211]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  230.124757]  ? fput+0x130/0x1a0
[  230.128036]  ? __bpf_prog_get+0x9b/0x290
[  230.132096]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  230.136952]  ? bpf_prog_test_run+0x130/0x1a0
[  230.141373]  ? __x64_sys_bpf+0x3d8/0x510
[  230.145428]  ? bpf_prog_get+0x20/0x20
[  230.149238]  ? do_syscall_64+0x1b9/0x820
[  230.153298]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  230.158657]  ? syscall_return_slowpath+0x5e0/0x5e0
[  230.163583]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.168601]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  230.173614]  ? recalc_sigpending_tsk+0x180/0x180
[  230.178376]  ? kasan_check_write+0x14/0x20
[  230.182629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.187476]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  230.192849] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  230.192917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.199686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.199691] Call Trace:
[  230.199713]  dump_stack+0x1c4/0x2b4
[  230.199730]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.206305] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.215585]  ? isolate_lru_page+0x22e0/0x22e0
[  230.218143] syz-executor4 cpuset=
[  230.221782]  warn_alloc.cold.119+0xb7/0x1bd
[  230.226956] syz4
[  230.237441]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.241907]  mems_allowed=0
[  230.245361]  ? lock_downgrade+0x900/0x900
[  230.263523]  ? trace_hardirqs_off+0xb8/0x310
[  230.267933]  ? trace_hardirqs_off+0xb8/0x310
[  230.272369]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.277227]  ? warn_alloc+0x120/0x120
[  230.281023]  ? warn_alloc+0x120/0x120
[  230.284822]  ? warn_alloc+0x120/0x120
[  230.288622]  ? warn_alloc+0x120/0x120
[  230.292421]  ? warn_alloc+0x120/0x120
[  230.296224]  ? mark_held_locks+0x130/0x130
[  230.300455]  ? should_fail+0x22d/0xd01
[  230.304364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.309899]  ? should_fail+0x22d/0xd01
[  230.313809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.318908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.324443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.329542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.335072]  ? should_fail+0x22d/0xd01
[  230.338959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.344057]  ? should_fail+0x22d/0xd01
[  230.348028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.353144]  ? should_fail+0x22d/0xd01
[  230.357027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.362131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.367234]  ? mark_held_locks+0x130/0x130
[  230.371466]  ? mark_held_locks+0x130/0x130
[  230.375698]  ? __account_cfs_rq_runtime+0x790/0x790
[  230.380745]  ? try_to_wake_up+0x10a/0x12f0
[  230.384978]  ? lock_downgrade+0x900/0x900
[  230.389133]  ? trace_hardirqs_off+0xb8/0x310
[  230.393541]  ? kasan_check_read+0x11/0x20
[  230.397695]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.402105]  ? trace_hardirqs_on+0x310/0x310
[  230.406519]  __alloc_pages_nodemask+0xa80/0xde0
[  230.411187]  ? should_fail+0x22d/0xd01
[  230.415073]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.420086]  ? trace_hardirqs_off+0xb8/0x310
[  230.424525]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.429197]  ? lock_downgrade+0x900/0x900
[  230.433369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.438912]  cache_grow_begin+0x91/0x8c0
[  230.442973]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.447389]  fallback_alloc+0x203/0x2e0
[  230.451372]  ____cache_alloc_node+0x1c7/0x1e0
[  230.455869]  kmem_cache_alloc_node+0xe3/0x730
[  230.460368]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.464619]  __alloc_skb+0x119/0x770
[  230.468374]  ? skb_scrub_packet+0x490/0x490
[  230.472710]  ? lock_downgrade+0x900/0x900
[  230.476862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.482401]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.487851]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.493328]  ? addrconf_rs_timer+0x690/0x690
[  230.497754]  ndisc_alloc_skb+0x144/0x340
[  230.501819]  ndisc_send_rs+0x331/0x6e0
[  230.505708]  addrconf_rs_timer+0x314/0x690
[  230.509942]  ? lock_release+0x970/0x970
[  230.513919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.518163]  call_timer_fn+0x272/0x920
[  230.522048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.526281]  ? process_timeout+0x40/0x40
[  230.530367]  ? kasan_check_read+0x11/0x20
[  230.534537]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.538943]  ? trace_hardirqs_on+0x310/0x310
[  230.543364]  ? __run_timers+0x7da/0xc70
[  230.547347]  ? lock_downgrade+0x900/0x900
[  230.551510]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.556630]  ? trace_hardirqs_on+0xbd/0x310
[  230.560948]  ? kasan_check_read+0x11/0x20
[  230.565108]  ? __run_timers+0x7da/0xc70
[  230.569083]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.574540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.580091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.584335]  __run_timers+0x7e5/0xc70
[  230.588175]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.593537]  ? compat_start_thread+0x80/0x80
[  230.597942]  ? dequeue_entity+0x1770/0x1770
[  230.602265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.607806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.613361]  ? _raw_spin_unlock_irq+0x60/0x80
[  230.617861]  ? finish_task_switch+0x1f5/0x900
[  230.622361]  ? finish_task_switch+0x1b5/0x900
[  230.626859]  ? __switch_to_asm+0x34/0x70
[  230.630920]  ? preempt_notifier_register+0x200/0x200
[  230.636021]  ? __switch_to_asm+0x34/0x70
[  230.640079]  ? __switch_to_asm+0x40/0x70
[  230.644145]  ? __switch_to_asm+0x34/0x70
[  230.648208]  ? __switch_to_asm+0x40/0x70
[  230.652265]  ? __switch_to_asm+0x34/0x70
[  230.656349]  ? __switch_to_asm+0x40/0x70
[  230.660427]  ? __switch_to_asm+0x40/0x70
[  230.664502]  ? pvclock_read_flags+0x160/0x160
[  230.669001]  ? __schedule+0x874/0x1ed0
[  230.672893]  ? run_rebalance_domains+0x38d/0x500
[  230.677659]  ? trace_hardirqs_on+0xbd/0x310
[  230.681979]  ? kvm_sched_clock_read+0x9/0x20
[  230.686390]  ? run_ksoftirqd+0x94/0x100
[  230.690372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.695910]  ? check_preemption_disabled+0x48/0x200
[  230.700922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.706465]  run_timer_softirq+0x52/0xb0
[  230.710549]  ? __this_cpu_preempt_check+0x1c/0x1f
[  230.715394]  __do_softirq+0x30b/0xad8
[  230.719199]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  230.724302]  ? trace_hardirqs_off+0xb8/0x310
[  230.728714]  ? schedule+0x108/0x460
[  230.732347]  ? __schedule+0x1ed0/0x1ed0
[  230.736324]  ? run_ksoftirqd+0x40/0x100
[  230.740311]  ? trace_hardirqs_off+0xb8/0x310
[  230.744729]  ? ___might_sleep+0x1ed/0x300
[  230.748874]  ? smpboot_thread_fn+0x68b/0xa00
[  230.753285]  ? trace_hardirqs_on+0x310/0x310
[  230.757712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.763253]  ? check_preemption_disabled+0x48/0x200
[  230.768269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.773811]  ? takeover_tasklets+0xa90/0xa90
[  230.778221]  run_ksoftirqd+0x94/0x100
[  230.782024]  smpboot_thread_fn+0x68b/0xa00
[  230.786259]  ? sort_range+0x30/0x30
[  230.789911]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.795017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.800553]  ? __kthread_parkme+0xfb/0x1a0
[  230.804789]  kthread+0x35a/0x420
[  230.808155]  ? sort_range+0x30/0x30
[  230.811777]  ? kthread_bind+0x40/0x40
[  230.815584]  ret_from_fork+0x3a/0x50
[  230.819328] warn_alloc_show_mem: 1 callbacks suppressed
[  230.819350] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  230.819352] Mem-Info:
[  230.819383] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  230.819383]  active_file:15 inactive_file:15 isolated_file:0
[  230.819383]  unevictable:0 dirty:0 writeback:0 unstable:0
[  230.819383]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  230.819383]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  230.819383]  free:13623 free_pcp:480 free_cma:0
[  230.824720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.831995] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  230.834423] Call Trace:
[  230.867489] Node 0 
[  230.876841]  <IRQ>
[  230.904621] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  230.907184]  dump_stack+0x1c4/0x2b4
[  230.909381] lowmem_reserve[]:
[  230.911540]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.937037]  0
[  230.940675]  warn_alloc.cold.119+0xb7/0x1bd
[  230.943742]  2819
[  230.948926]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.950722]  6323
[  230.955041]  ? lock_downgrade+0x900/0x900
[  230.957073]  6323
[  230.961913]  ? trace_hardirqs_off+0xb8/0x310
[  230.968106]  ? trace_hardirqs_off+0xb8/0x310
[  230.970142] Node 0 
[  230.974545]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.978963] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  230.981181]  ? warn_alloc+0x120/0x120
[  230.985990] lowmem_reserve[]: 0
[  231.012906]  ? trace_hardirqs_on+0x310/0x310
[  231.016694]  0
[  231.019968]  ? warn_alloc+0x120/0x120
[  231.024409]  3503
[  231.026209]  ? warn_alloc+0x120/0x120
[  231.029985]  3503
[  231.032054]  ? ktime_get+0x2e1/0x440
[  231.037887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.041570] Node 0 
[  231.047104]  ? check_preemption_disabled+0x48/0x200
[  231.047136] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  231.047143] lowmem_reserve[]:
[  231.049382]  ? kasan_check_read+0x11/0x20
[  231.054364]  0
[  231.082930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.086003]  0
[  231.090165]  ? should_fail+0x22d/0xd01
[  231.091937]  0
[  231.097470]  ? rcu_bh_qs+0xc0/0xc0
[  231.099240]  0
[  231.103130]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.108436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.110208] Node 0 
[  231.115315]  ? should_fail+0x22d/0xd01
[  231.120822] DMA: 
[  231.123051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.126917] 1*4kB 
[  231.128971]  ? should_fail+0x22d/0xd01
[  231.134043] (U) 
[  231.136212]  ? rcu_idle_enter+0x4b0/0x4b0
[  231.140082] 0*8kB 
[  231.142049]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.146182] 0*16kB 
[  231.148326]  ? mark_held_locks+0x130/0x130
[  231.153404] 1*32kB 
[  231.155635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.159835] (U) 2*64kB 
[  231.162076]  ? mark_held_locks+0x130/0x130
[  231.167583] (U) 
[  231.170192]  ? rcu_irq_exit+0xce/0x100
[  231.174395] 1*128kB 
[  231.176369]  ? irq_exit+0xbd/0x1c0
[  231.180246] (U) 
[  231.182568]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  231.186091] 1*256kB 
[  231.188065]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.193054] (U) 
[  231.195387]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.199768] 0*512kB 
[  231.201742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.207595] 1*1024kB 
[  231.209915]  ? ret_from_intr+0xb/0x1e
[  231.215438] (U) 
[  231.217847]  ? retint_kernel+0x2d/0x2d
[  231.221635] 1*2048kB 
[  231.223606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  231.227466] (M) 
[  231.229872]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.234772] 3*4096kB 
[  231.236759]  ? trace_hardirqs_off+0x310/0x310
[  231.241484] (M) 
[  231.243895]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.248366] = 15908kB
[  231.250370]  __alloc_pages_nodemask+0xa80/0xde0
[  231.255439] Node 0 
[  231.257860]  ? should_fail+0x22d/0xd01
[  231.262496] DMA32: 
[  231.264725]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.268584] 3*4kB 
[  231.270822]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.275798] (UM) 
[  231.277944]  ? lock_downgrade+0x900/0x900
[  231.282583] 2*8kB 
[  231.284640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.288760] (UM) 
[  231.290907]  cache_grow_begin+0x91/0x8c0
[  231.296417] 2*16kB 
[  231.298490]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.302520] (M) 
[  231.304749]  fallback_alloc+0x203/0x2e0
[  231.309131] 2*32kB 
[  231.311123]  ____cache_alloc_node+0x1c7/0x1e0
[  231.315062] (M) 
[  231.317289]  kmem_cache_alloc_node+0xe3/0x730
[  231.321761] 4*64kB 
[  231.323734]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.328203] (M) 
[  231.330435]  __alloc_skb+0x119/0x770
[  231.334640] 3*128kB 
[  231.336606]  ? skb_scrub_packet+0x490/0x490
[  231.340294] (M) 
[  231.342617]  ? lock_downgrade+0x900/0x900
[  231.346912] 4*256kB 
[  231.348881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.353011] (UM) 
[  231.355352]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.360862] 3*512kB 
[  231.362916]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.368347] (M) 
[  231.370666]  ? addrconf_rs_timer+0x690/0x690
[  231.376087] 3*1024kB 
[  231.378068]  ndisc_alloc_skb+0x144/0x340
[  231.382443] (UM) 
[  231.384858]  ndisc_send_rs+0x331/0x6e0
[  231.388892] 3*2048kB 
[  231.390951]  addrconf_rs_timer+0x314/0x690
[  231.394842] (M) 
[  231.397245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.401453] 3*4096kB 
[  231.403426]  call_timer_fn+0x272/0x920
[  231.407629] (M) 
[  231.410047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.413917] = 24828kB
[  231.415890]  ? process_timeout+0x40/0x40
[  231.420104] Node 0 Normal: 
[  231.422520]  ? trace_hardirqs_off+0xb8/0x310
[  231.426550] 1555*4kB 
[  231.429479]  ? kasan_check_read+0x11/0x20
[  231.433854] (UMEH) 
[  231.436495]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.440635] 298*8kB 
[  231.442864]  ? trace_hardirqs_on+0x310/0x310
[  231.447246] (ME) 
[  231.449563]  ? __run_timers+0x7da/0xc70
[  231.453942] 96*16kB 
[  231.456041]  ? lock_downgrade+0x900/0x900
[  231.459984] (ME) 
[  231.462306]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  231.466419] 43*32kB (UME) 
[  231.468484]  ? trace_hardirqs_on+0xbd/0x310
[  231.473557] 31*64kB 
[  231.476397]  ? kasan_check_read+0x11/0x20
[  231.480683] (UM) 0*128kB 
[  231.483008]  ? __run_timers+0x7da/0xc70
[  231.487142] 1*256kB 
[  231.489892]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.493839] (U) 
[  231.496174]  ? kasan_check_write+0x14/0x20
[  231.501592] 0*512kB 
[  231.503580]  ? do_raw_spin_lock+0xc1/0x200
[  231.507784] 0*1024kB 
[  231.510107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.514306] 0*2048kB 
[  231.516727]  __run_timers+0x7e5/0xc70
[  231.520929] 0*4096kB 
[  231.523349]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.527121] = 13756kB
[  231.529544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  231.534879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.537296]  ? timerqueue_add+0x207/0x2b0
[  231.542300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.551126]  ? enqueue_hrtimer+0x1a5/0x560
[  231.555248] 3632 total pagecache pages
[  231.563842]  ? lock_release+0x970/0x970
[  231.568184] 0 pages in swap cache
[  231.572096]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  231.576055] Swap cache stats: add 0, delete 0, find 0/0
[  231.579532]  ? kasan_check_write+0x14/0x20
[  231.584690] Free swap  = 0kB
[  231.590089]  ? pvclock_read_flags+0x160/0x160
[  231.594298] Total swap = 0kB
[  231.597322]  ? lock_downgrade+0x900/0x900
[  231.601789] 1965979 pages RAM
[  231.604799]  ? trace_hardirqs_on+0xbd/0x310
[  231.608914] 0 pages HighMem/MovableOnly
[  231.612025]  ? kvm_sched_clock_read+0x9/0x20
[  231.616316] 342307 pages reserved
[  231.620288]  ? irq_exit+0x17f/0x1c0
[  231.624670] 0 pages cma reserved
[  231.628119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.631844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.635110]  ? check_preemption_disabled+0x48/0x200
[  231.640690] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.647118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.652110] ksoftirqd/0 cpuset=
[  231.662414]  run_timer_softirq+0x52/0xb0
[  231.667920] /
[  231.671195]  ? __this_cpu_preempt_check+0x1c/0x1f
[  231.675230]  mems_allowed=0
[  231.676948]  __do_softirq+0x30b/0xad8
[  231.688483]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.693591]  ? pvclock_read_flags+0x160/0x160
[  231.698086]  ? lapic_next_event+0x5a/0x90
[  231.702285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.707819]  ? clockevents_program_event+0x140/0x370
[  231.712931]  ? kvm_clock_read+0x18/0x30
[  231.716904]  ? kvm_sched_clock_read+0x9/0x20
[  231.721320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.726865]  ? check_preemption_disabled+0x48/0x200
[  231.731891]  irq_exit+0x17f/0x1c0
[  231.735368]  smp_apic_timer_interrupt+0x1cb/0x760
[  231.740248]  ? smp_reschedule_interrupt+0x109/0x650
[  231.745263]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.751151]  ? interrupt_entry+0xb5/0xf0
[  231.755218]  ? trace_hardirqs_off_caller+0xbb/0x310
[  231.760245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  231.765265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.770116]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.775132]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.780150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.785690]  ? check_preemption_disabled+0x48/0x200
[  231.790719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.796274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.801123]  apic_timer_interrupt+0xf/0x20
[  231.805359]  </IRQ>
[  231.807598] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  231.812534] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  231.831443] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  231.839156] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  231.846421] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  231.853685] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  231.860953] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  231.868220] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  231.875527]  ? trace_hardirqs_on+0xb4/0x310
[  231.879862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.885409]  skb_clone+0x1bb/0x500
[  231.888950]  ? finish_task_switch+0x2f5/0x900
[  231.893443]  ? skb_split+0x11e0/0x11e0
[  231.897353]  ? preempt_notifier_register+0x200/0x200
[  231.902458]  ? __switch_to_asm+0x34/0x70
[  231.906518]  ? __switch_to_asm+0x34/0x70
[  231.910581]  ? __switch_to_asm+0x40/0x70
[  231.915334]  ? __switch_to_asm+0x34/0x70
[  231.919420]  ? __switch_to_asm+0x40/0x70
[  231.923477]  ? __switch_to_asm+0x34/0x70
[  231.927541]  ? __switch_to_asm+0x40/0x70
[  231.931600]  ? __switch_to_asm+0x34/0x70
[  231.935662]  ? __switch_to_asm+0x34/0x70
[  231.939740]  ? __switch_to_asm+0x40/0x70
[  231.943802]  ? __switch_to_asm+0x34/0x70
[  231.947884]  bpf_clone_redirect+0xb9/0x490
[  231.952123]  ? __schedule+0x874/0x1ed0
[  231.956017]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  231.961036]  ? __sched_text_start+0x8/0x8
[  231.965183]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.969943]  ? retint_kernel+0x2d/0x2d
[  231.973853]  ? lock_acquire+0x1ed/0x520
[  231.977827]  ? bpf_test_run+0x3cb/0x780
[  231.981806]  ? lock_release+0x970/0x970
[  231.985782]  ? preempt_schedule+0x4d/0x60
[  231.989929]  ? preempt_schedule_common+0x1f/0xd0
[  231.994697]  ? preempt_schedule+0x4d/0x60
[  231.998845]  ? ___preempt_schedule+0x16/0x18
[  232.003261]  ? bpf_test_run+0x25d/0x780
[  232.007244]  ? netlink_diag_dump+0x2a0/0x2a0
[  232.011682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.017218]  ? bpf_test_init.isra.9+0x70/0x100
[  232.021804]  ? bpf_prog_test_run_skb+0x634/0xb40
[  232.026562]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  232.031409]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.036946]  ? fput+0x130/0x1a0
[  232.040320]  ? __bpf_prog_get+0x9b/0x290
[  232.044388]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  232.049246]  ? bpf_prog_test_run+0x130/0x1a0
[  232.053654]  ? __x64_sys_bpf+0x3d8/0x510
[  232.057739]  ? bpf_prog_get+0x20/0x20
[  232.061552]  ? do_syscall_64+0x1b9/0x820
[  232.065614]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  232.070999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  232.075932]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.080952]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  232.085984]  ? recalc_sigpending_tsk+0x180/0x180
[  232.090778]  ? kasan_check_write+0x14/0x20
[  232.095032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.099883]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  232.105260] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  232.105324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  232.112118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.112123] Call Trace:
[  232.112144]  dump_stack+0x1c4/0x2b4
[  232.112158]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.112178]  warn_alloc.cold.119+0xb7/0x1bd
[  232.118736] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.128011]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.130569] syz-executor4 cpuset=
[  232.134189]  ? lock_downgrade+0x900/0x900
[  232.139359] syz4
[  232.143675]  ? trace_hardirqs_off+0xb8/0x310
[  232.154138]  mems_allowed=0
[  232.158991]  ? trace_hardirqs_off+0xb8/0x310
[  232.180258]  __alloc_pages_slowpath+0x2667/0x2d80
[  232.185149]  ? warn_alloc+0x120/0x120
[  232.188949]  ? warn_alloc+0x120/0x120
[  232.192748]  ? warn_alloc+0x120/0x120
[  232.196547]  ? warn_alloc+0x120/0x120
[  232.200353]  ? warn_alloc+0x120/0x120
[  232.204156]  ? mark_held_locks+0x130/0x130
[  232.208391]  ? mark_held_locks+0x130/0x130
[  232.212639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.218177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.223718]  ? should_fail+0x22d/0xd01
[  232.227615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.232722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.238257]  ? should_fail+0x22d/0xd01
[  232.242145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.247245]  ? should_fail+0x22d/0xd01
[  232.251134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.256240]  ? mark_held_locks+0x130/0x130
[  232.260476]  ? mark_held_locks+0x130/0x130
[  232.264709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.270262]  ? trace_hardirqs_off+0xb8/0x310
[  232.274672]  ? kasan_check_read+0x11/0x20
[  232.278832]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.283244]  ? trace_hardirqs_on+0x310/0x310
[  232.287664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.293231]  ? wq_watchdog_touch+0x9c/0xfe
[  232.297494]  ? io_serial_in+0x11/0x90
[  232.301295]  ? retint_kernel+0x2d/0x2d
[  232.305187]  ? trace_hardirqs_on_caller+0xc0/0x310
[  232.310117]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.314870]  ? trace_hardirqs_off+0x310/0x310
[  232.319371]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.324484]  __alloc_pages_nodemask+0xa80/0xde0
[  232.329153]  ? should_fail+0x22d/0xd01
[  232.333075]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.338101]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.342771]  ? lock_downgrade+0x900/0x900
[  232.346924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.352466]  cache_grow_begin+0x91/0x8c0
[  232.356528]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.360941]  fallback_alloc+0x203/0x2e0
[  232.364936]  ____cache_alloc_node+0x1c7/0x1e0
[  232.369434]  kmem_cache_alloc_node+0xe3/0x730
[  232.373927]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.378163]  __alloc_skb+0x119/0x770
[  232.381876]  ? skb_scrub_packet+0x490/0x490
[  232.386197]  ? lock_downgrade+0x900/0x900
[  232.390359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.395897]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.401360]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.406812]  ? addrconf_rs_timer+0x690/0x690
[  232.411223]  ndisc_alloc_skb+0x144/0x340
[  232.415282]  ndisc_send_rs+0x331/0x6e0
[  232.419170]  addrconf_rs_timer+0x314/0x690
[  232.423403]  ? lock_release+0x970/0x970
[  232.427379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.431624]  call_timer_fn+0x272/0x920
[  232.435522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.439757]  ? process_timeout+0x40/0x40
[  232.443820]  ? kasan_check_read+0x11/0x20
[  232.447983]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.452413]  ? trace_hardirqs_on+0x310/0x310
[  232.456823]  ? __run_timers+0x7da/0xc70
[  232.460798]  ? lock_downgrade+0x900/0x900
[  232.464949]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.470070]  ? trace_hardirqs_on+0xbd/0x310
[  232.474412]  ? kasan_check_read+0x11/0x20
[  232.478561]  ? __run_timers+0x7da/0xc70
[  232.482537]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.487991]  ? kasan_check_write+0x14/0x20
[  232.492226]  ? do_raw_spin_lock+0xc1/0x200
[  232.496463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.500727]  __run_timers+0x7e5/0xc70
[  232.504550]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.509909]  ? compat_start_thread+0x80/0x80
[  232.514327]  ? dequeue_entity+0x1770/0x1770
[  232.518662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.524217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.529760]  ? _raw_spin_unlock_irq+0x60/0x80
[  232.534272]  ? finish_task_switch+0x1f5/0x900
[  232.538767]  ? finish_task_switch+0x1b5/0x900
[  232.543260]  ? __switch_to_asm+0x34/0x70
[  232.547322]  ? preempt_notifier_register+0x200/0x200
[  232.552459]  ? __switch_to_asm+0x34/0x70
[  232.556516]  ? __switch_to_asm+0x40/0x70
[  232.560587]  ? __switch_to_asm+0x34/0x70
[  232.564649]  ? __switch_to_asm+0x40/0x70
[  232.568705]  ? __switch_to_asm+0x34/0x70
[  232.572791]  ? __switch_to_asm+0x40/0x70
[  232.576852]  ? __switch_to_asm+0x40/0x70
[  232.580916]  ? pvclock_read_flags+0x160/0x160
[  232.585414]  ? __schedule+0x874/0x1ed0
[  232.589305]  ? run_rebalance_domains+0x38d/0x500
[  232.594080]  ? trace_hardirqs_on+0xbd/0x310
[  232.598399]  ? kvm_sched_clock_read+0x9/0x20
[  232.602808]  ? run_ksoftirqd+0x94/0x100
[  232.606782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.612343]  ? check_preemption_disabled+0x48/0x200
[  232.617361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.622905]  run_timer_softirq+0x52/0xb0
[  232.626967]  ? __this_cpu_preempt_check+0x1c/0x1f
[  232.631833]  __do_softirq+0x30b/0xad8
[  232.635652]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.640752]  ? trace_hardirqs_off+0xb8/0x310
[  232.645180]  ? schedule+0x108/0x460
[  232.648808]  ? __schedule+0x1ed0/0x1ed0
[  232.652784]  ? run_ksoftirqd+0x40/0x100
[  232.656759]  ? trace_hardirqs_off+0xb8/0x310
[  232.661168]  ? ___might_sleep+0x1ed/0x300
[  232.665313]  ? smpboot_thread_fn+0x68b/0xa00
[  232.669737]  ? trace_hardirqs_on+0x310/0x310
[  232.674139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.679702]  ? check_preemption_disabled+0x48/0x200
[  232.684720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.690256]  ? takeover_tasklets+0xa90/0xa90
[  232.694662]  run_ksoftirqd+0x94/0x100
[  232.698479]  smpboot_thread_fn+0x68b/0xa00
[  232.702713]  ? sort_range+0x30/0x30
[  232.706354]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.711477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.717031]  ? __kthread_parkme+0xfb/0x1a0
[  232.721269]  kthread+0x35a/0x420
[  232.724634]  ? sort_range+0x30/0x30
[  232.728255]  ? kthread_bind+0x40/0x40
[  232.732059]  ret_from_fork+0x3a/0x50
[  232.735777] warn_alloc_show_mem: 1 callbacks suppressed
[  232.735789] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  232.735791] Mem-Info:
[  232.735826] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  232.735826]  active_file:15 inactive_file:15 isolated_file:0
[  232.735826]  unevictable:0 dirty:0 writeback:0 unstable:0
[  232.735826]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  232.735826]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  232.735826]  free:13623 free_pcp:480 free_cma:0
[  232.741182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.748475] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  232.750871] Call Trace:
[  232.783924] Node 0 
[  232.793280]  <IRQ>
[  232.821053] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  232.823651]  dump_stack+0x1c4/0x2b4
[  232.825879] lowmem_reserve[]:
[  232.828019]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.853521]  0
[  232.857160]  warn_alloc.cold.119+0xb7/0x1bd
[  232.860220]  2819 6323
[  232.865414]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.867179]  6323
[  232.871500]  ? lock_downgrade+0x900/0x900
[  232.878806]  ? trace_hardirqs_off+0xb8/0x310
[  232.880835] Node 0 
[  232.884981]  ? trace_hardirqs_off+0xb8/0x310
[  232.889392] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  232.891603]  __alloc_pages_slowpath+0x2667/0x2d80
[  232.896001] lowmem_reserve[]:
[  232.922911]  ? warn_alloc+0x120/0x120
[  232.927717]  0
[  232.930820]  ? trace_hardirqs_on+0x310/0x310
[  232.934583]  0
[  232.936383]  ? warn_alloc+0x120/0x120
[  232.940764]  3503
[  232.942558]  ? warn_alloc+0x120/0x120
[  232.946332]  3503
[  232.948395]  ? ktime_get+0x2e1/0x440
[  232.954227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.957914] Node 0 
[  232.963450]  ? check_preemption_disabled+0x48/0x200
[  232.963482] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  232.963489] lowmem_reserve[]:
[  232.965722]  ? kasan_check_read+0x11/0x20
[  232.970712]  0
[  232.999296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.002368]  0
[  233.006510]  ? should_fail+0x22d/0xd01
[  233.008280]  0
[  233.013811]  ? rcu_bh_qs+0xc0/0xc0
[  233.015585]  0
[  233.019466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.024772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.026543] Node 0 
[  233.031637]  ? should_fail+0x22d/0xd01
[  233.037144] DMA: 
[  233.039381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.043241] 1*4kB 
[  233.045293]  ? should_fail+0x22d/0xd01
[  233.050368] (U) 
[  233.052519]  ? rcu_idle_enter+0x4b0/0x4b0
[  233.056379] 0*8kB 
[  233.058354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.062476] 0*16kB 
[  233.064621]  ? mark_held_locks+0x130/0x130
[  233.069693] 1*32kB 
[  233.071919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.076154] (U) 
[  233.078382]  ? mark_held_locks+0x130/0x130
[  233.083906] 2*64kB 
[  233.085891]  ? rcu_irq_exit+0xce/0x100
[  233.090093] (U) 
[  233.092326]  ? irq_exit+0xbd/0x1c0
[  233.096199] 1*128kB 
[  233.098167]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  233.101681] (U) 
[  233.104002]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.108987] 1*256kB 
[  233.110953]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.115331] (U) 
[  233.117658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.123512] 0*512kB 
[  233.125489]  ? ret_from_intr+0xb/0x1e
[  233.131009] 1*1024kB 
[  233.133326]  ? retint_kernel+0x2d/0x2d
[  233.137095] (U) 
[  233.139554]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.143411] 1*2048kB 
[  233.145384]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.150297] (M) 
[  233.152731]  ? trace_hardirqs_off+0x310/0x310
[  233.157463] 3*4096kB 
[  233.159437]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.163902] (M) 
[  233.166310]  __alloc_pages_nodemask+0xa80/0xde0
[  233.171398] = 15908kB
[  233.173371]  ? should_fail+0x22d/0xd01
[  233.178018] Node 0 
[  233.180442]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.184298] DMA32: 
[  233.186540]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.191524] 3*4kB 
[  233.193767]  ? lock_downgrade+0x900/0x900
[  233.198421] (UM) 
[  233.200566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.204683] 2*8kB 
[  233.206749]  cache_grow_begin+0x91/0x8c0
[  233.212257] (UM) 
[  233.216264]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.220299] 2*16kB 
[  233.222366]  fallback_alloc+0x203/0x2e0
[  233.226749] (M) 2*32kB 
[  233.229005]  ____cache_alloc_node+0x1c7/0x1e0
[  233.232952] (M) 
[  233.235534]  kmem_cache_alloc_node+0xe3/0x730
[  233.240001] 4*64kB 
[  233.241973]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.246439] (M) 
[  233.248689]  __alloc_skb+0x119/0x770
[  233.252896] 3*128kB 
[  233.254863]  ? skb_scrub_packet+0x490/0x490
[  233.258550] (M) 
[  233.260893]  ? lock_downgrade+0x900/0x900
[  233.265184] 4*256kB 
[  233.267152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.271270] (UM) 
[  233.273592]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.279114] 3*512kB 
[  233.281173]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.286594] (M) 
[  233.288914]  ? addrconf_rs_timer+0x690/0x690
[  233.294337] 3*1024kB 
[  233.296334]  ndisc_alloc_skb+0x144/0x340
[  233.300718] (UM) 
[  233.303129]  ndisc_send_rs+0x331/0x6e0
[  233.307164] 3*2048kB 
[  233.309218]  addrconf_rs_timer+0x314/0x690
[  233.313080] (M) 
[  233.315485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.319697] 3*4096kB 
[  233.321673]  call_timer_fn+0x272/0x920
[  233.325872] (M) 
[  233.328276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.332151] = 24828kB
[  233.334124]  ? process_timeout+0x40/0x40
[  233.338330] Node 0 
[  233.340745]  ? trace_hardirqs_off+0xb8/0x310
[  233.344774] Normal: 
[  233.347012]  ? kasan_check_read+0x11/0x20
[  233.351426] 1555*4kB 
[  233.353761]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.357877] (UMEH) 
[  233.360280]  ? trace_hardirqs_on+0x310/0x310
[  233.364661] 298*8kB 
[  233.366892]  ? __run_timers+0x7da/0xc70
[  233.371272] (ME) 
[  233.373594]  ? lock_downgrade+0x900/0x900
[  233.377561] 96*16kB 
[  233.379648]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.383795] (ME) 
[  233.386132]  ? trace_hardirqs_on+0xbd/0x310
[  233.391207] 43*32kB 
[  233.393263]  ? kasan_check_read+0x11/0x20
[  233.397555] (UME) 
[  233.399874]  ? __run_timers+0x7da/0xc70
[  233.403990] 31*64kB 
[  233.406136]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.410079] (UM) 
[  233.412400]  ? kasan_check_write+0x14/0x20
[  233.417821] 0*128kB 
[  233.419877]  ? do_raw_spin_lock+0xc1/0x200
[  233.424086] 1*256kB 
[  233.426428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.430652] (U) 
[  233.433000]  __run_timers+0x7e5/0xc70
[  233.437406] 0*512kB 0*1024kB 
[  233.439404]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  233.443177] 0*2048kB 
[  233.446278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  233.451661] 0*4096kB 
[  233.454082]  ? timerqueue_add+0x207/0x2b0
[  233.459069] = 13756kB
[  233.461470]  ? enqueue_hrtimer+0x1a5/0x560
[  233.465608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.468011]  ? lock_release+0x970/0x970
[  233.472221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.481045]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  233.485011] 3632 total pagecache pages
[  233.493583]  ? kasan_check_write+0x14/0x20
[  233.498740] 0 pages in swap cache
[  233.502673]  ? pvclock_read_flags+0x160/0x160
[  233.506881] Swap cache stats: add 0, delete 0, find 0/0
[  233.510329]  ? lock_downgrade+0x900/0x900
[  233.514815] Free swap  = 0kB
[  233.520173]  ? trace_hardirqs_on+0xbd/0x310
[  233.524290] Total swap = 0kB
[  233.527307]  ? kvm_sched_clock_read+0x9/0x20
[  233.531606] 1965979 pages RAM
[  233.534623]  ? irq_exit+0x17f/0x1c0
[  233.539000] 0 pages HighMem/MovableOnly
[  233.542105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.545696] 342307 pages reserved
[  233.549671]  ? check_preemption_disabled+0x48/0x200
[  233.555178] 0 pages cma reserved
[  233.558643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.563713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.567507]  run_timer_softirq+0x52/0xb0
[  233.567527]  ? __this_cpu_preempt_check+0x1c/0x1f
[  233.573089] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.579523]  __do_softirq+0x30b/0xad8
[  233.583572] ksoftirqd/0 cpuset=
[  233.588499]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.598780] /
[  233.602590]  ? pvclock_read_flags+0x160/0x160
[  233.605850]  mems_allowed=0
[  233.610958]  ? lapic_next_event+0x5a/0x90
[  233.624184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.629726]  ? clockevents_program_event+0x140/0x370
[  233.634867]  ? kvm_clock_read+0x18/0x30
[  233.638839]  ? kvm_sched_clock_read+0x9/0x20
[  233.643255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.648806]  ? check_preemption_disabled+0x48/0x200
[  233.653831]  irq_exit+0x17f/0x1c0
[  233.657320]  smp_apic_timer_interrupt+0x1cb/0x760
[  233.662164]  ? smp_reschedule_interrupt+0x109/0x650
[  233.667179]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.673063]  ? interrupt_entry+0xb5/0xf0
[  233.677126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.682137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.687155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.691997]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.697016]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.702045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.707599]  ? check_preemption_disabled+0x48/0x200
[  233.712613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.718155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.723000]  apic_timer_interrupt+0xf/0x20
[  233.727242]  </IRQ>
[  233.729506] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  233.734454] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  233.753362] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  233.761069] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  233.768351] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  233.775616] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  233.782884] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  233.790149] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  233.797441]  ? trace_hardirqs_on+0xb4/0x310
[  233.801777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.807319]  skb_clone+0x1bb/0x500
[  233.810866]  ? finish_task_switch+0x2f5/0x900
[  233.815365]  ? skb_split+0x11e0/0x11e0
[  233.819255]  ? preempt_notifier_register+0x200/0x200
[  233.824410]  ? __switch_to_asm+0x34/0x70
[  233.828469]  ? __switch_to_asm+0x34/0x70
[  233.832532]  ? __switch_to_asm+0x40/0x70
[  233.836608]  ? __switch_to_asm+0x34/0x70
[  233.840698]  ? __switch_to_asm+0x40/0x70
[  233.844755]  ? __switch_to_asm+0x34/0x70
[  233.848835]  ? __switch_to_asm+0x40/0x70
[  233.852897]  ? __switch_to_asm+0x34/0x70
[  233.856956]  ? __switch_to_asm+0x34/0x70
[  233.861038]  ? __switch_to_asm+0x40/0x70
[  233.865095]  ? __switch_to_asm+0x34/0x70
[  233.869166]  bpf_clone_redirect+0xb9/0x490
[  233.873408]  ? __schedule+0x874/0x1ed0
[  233.877305]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  233.882333]  ? __sched_text_start+0x8/0x8
[  233.886493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.891255]  ? retint_kernel+0x2d/0x2d
[  233.895152]  ? lock_acquire+0x1ed/0x520
[  233.899128]  ? bpf_test_run+0x3cb/0x780
[  233.903108]  ? lock_release+0x970/0x970
[  233.907082]  ? preempt_schedule+0x4d/0x60
[  233.911234]  ? preempt_schedule_common+0x1f/0xd0
[  233.916007]  ? preempt_schedule+0x4d/0x60
[  233.920172]  ? ___preempt_schedule+0x16/0x18
[  233.924600]  ? bpf_test_run+0x25d/0x780
[  233.928613]  ? netlink_diag_dump+0x2a0/0x2a0
[  233.933025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.938566]  ? bpf_test_init.isra.9+0x70/0x100
[  233.943151]  ? bpf_prog_test_run_skb+0x634/0xb40
[  233.947909]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.952751]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  233.958304]  ? fput+0x130/0x1a0
[  233.961590]  ? __bpf_prog_get+0x9b/0x290
[  233.965664]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.970522]  ? bpf_prog_test_run+0x130/0x1a0
[  233.974934]  ? __x64_sys_bpf+0x3d8/0x510
[  233.978996]  ? bpf_prog_get+0x20/0x20
[  233.982809]  ? do_syscall_64+0x1b9/0x820
[  233.986875]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  233.992238]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.997183]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.002202]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.007215]  ? recalc_sigpending_tsk+0x180/0x180
[  234.011986]  ? kasan_check_write+0x14/0x20
[  234.016223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.021106]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.026482] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  234.026569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.033336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.033351] Call Trace:
[  234.039949] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.049215]  dump_stack+0x1c4/0x2b4
[  234.051767] syz-executor4 cpuset=
[  234.062249]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.065847] syz4
[  234.069296]  warn_alloc.cold.119+0xb7/0x1bd
[  234.074461]  mems_allowed=0
[  234.076431]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.088471]  ? lock_downgrade+0x900/0x900
[  234.092628]  ? trace_hardirqs_off+0xb8/0x310
[  234.097058]  ? trace_hardirqs_off+0xb8/0x310
[  234.101486]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.106353]  ? warn_alloc+0x120/0x120
[  234.110156]  ? warn_alloc+0x120/0x120
[  234.113956]  ? warn_alloc+0x120/0x120
[  234.117769]  ? warn_alloc+0x120/0x120
[  234.121568]  ? warn_alloc+0x120/0x120
[  234.125377]  ? mark_held_locks+0x130/0x130
[  234.129614]  ? mark_held_locks+0x130/0x130
[  234.133869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.139404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.144939]  ? should_fail+0x22d/0xd01
[  234.148831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.153933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.159471]  ? should_fail+0x22d/0xd01
[  234.163379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.168479]  ? should_fail+0x22d/0xd01
[  234.172375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.177497]  ? mark_held_locks+0x130/0x130
[  234.181763]  ? mark_held_locks+0x130/0x130
[  234.186013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.191553]  ? trace_hardirqs_off+0xb8/0x310
[  234.195994]  ? kasan_check_read+0x11/0x20
[  234.200140]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.204546]  ? trace_hardirqs_on+0x310/0x310
[  234.208955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.214509]  ? wq_watchdog_touch+0x9c/0xfe
[  234.218768]  ? io_serial_in+0x11/0x90
[  234.222567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.229238]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.234359]  __alloc_pages_nodemask+0xa80/0xde0
[  234.239030]  ? should_fail+0x22d/0xd01
[  234.242921]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.247950]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.252668]  ? lock_downgrade+0x900/0x900
[  234.256839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.262378]  cache_grow_begin+0x91/0x8c0
[  234.266454]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.270879]  fallback_alloc+0x203/0x2e0
[  234.274855]  ____cache_alloc_node+0x1c7/0x1e0
[  234.279365]  kmem_cache_alloc_node+0xe3/0x730
[  234.283862]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.288101]  __alloc_skb+0x119/0x770
[  234.291820]  ? skb_scrub_packet+0x490/0x490
[  234.296138]  ? lock_downgrade+0x900/0x900
[  234.300321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.305878]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.311332]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.316789]  ? addrconf_rs_timer+0x690/0x690
[  234.321219]  ndisc_alloc_skb+0x144/0x340
[  234.325279]  ndisc_send_rs+0x331/0x6e0
[  234.329168]  addrconf_rs_timer+0x314/0x690
[  234.333401]  ? lock_release+0x970/0x970
[  234.337380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.341630]  call_timer_fn+0x272/0x920
[  234.345528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.349779]  ? process_timeout+0x40/0x40
[  234.353840]  ? kasan_check_read+0x11/0x20
[  234.357986]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.362395]  ? trace_hardirqs_on+0x310/0x310
[  234.366821]  ? __run_timers+0x7da/0xc70
[  234.370792]  ? lock_downgrade+0x900/0x900
[  234.374942]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.380043]  ? trace_hardirqs_on+0xbd/0x310
[  234.384393]  ? kasan_check_read+0x11/0x20
[  234.388537]  ? __run_timers+0x7da/0xc70
[  234.392512]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.397963]  ? kasan_check_write+0x14/0x20
[  234.402193]  ? do_raw_spin_lock+0xc1/0x200
[  234.406429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.410680]  __run_timers+0x7e5/0xc70
[  234.414489]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.419851]  ? compat_start_thread+0x80/0x80
[  234.424260]  ? dequeue_entity+0x1770/0x1770
[  234.428579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.434134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.439674]  ? _raw_spin_unlock_irq+0x60/0x80
[  234.444169]  ? finish_task_switch+0x1f5/0x900
[  234.448659]  ? finish_task_switch+0x1b5/0x900
[  234.453153]  ? __switch_to_asm+0x34/0x70
[  234.457215]  ? preempt_notifier_register+0x200/0x200
[  234.462330]  ? __switch_to_asm+0x34/0x70
[  234.466398]  ? __switch_to_asm+0x40/0x70
[  234.470454]  ? __switch_to_asm+0x34/0x70
[  234.474510]  ? __switch_to_asm+0x40/0x70
[  234.478568]  ? __switch_to_asm+0x34/0x70
[  234.482663]  ? __switch_to_asm+0x40/0x70
[  234.486722]  ? __switch_to_asm+0x40/0x70
[  234.490784]  ? pvclock_read_flags+0x160/0x160
[  234.495274]  ? __schedule+0x874/0x1ed0
[  234.499175]  ? run_rebalance_domains+0x38d/0x500
[  234.503932]  ? trace_hardirqs_on+0xbd/0x310
[  234.508253]  ? kvm_sched_clock_read+0x9/0x20
[  234.512660]  ? run_ksoftirqd+0x94/0x100
[  234.516639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.522189]  ? check_preemption_disabled+0x48/0x200
[  234.527204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.532748]  run_timer_softirq+0x52/0xb0
[  234.536821]  ? __this_cpu_preempt_check+0x1c/0x1f
[  234.541677]  __do_softirq+0x30b/0xad8
[  234.545482]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.550662]  ? trace_hardirqs_off+0xb8/0x310
[  234.555070]  ? schedule+0x108/0x460
[  234.558693]  ? __schedule+0x1ed0/0x1ed0
[  234.562682]  ? run_ksoftirqd+0x40/0x100
[  234.566656]  ? trace_hardirqs_off+0xb8/0x310
[  234.571093]  ? ___might_sleep+0x1ed/0x300
[  234.575258]  ? smpboot_thread_fn+0x68b/0xa00
[  234.579673]  ? trace_hardirqs_on+0x310/0x310
[  234.584080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.589620]  ? check_preemption_disabled+0x48/0x200
[  234.594636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.600170]  ? takeover_tasklets+0xa90/0xa90
[  234.604578]  run_ksoftirqd+0x94/0x100
[  234.608400]  smpboot_thread_fn+0x68b/0xa00
[  234.612638]  ? sort_range+0x30/0x30
[  234.616265]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.621373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.626927]  ? __kthread_parkme+0xfb/0x1a0
[  234.631160]  kthread+0x35a/0x420
[  234.634524]  ? sort_range+0x30/0x30
[  234.638149]  ? kthread_bind+0x40/0x40
[  234.641947]  ret_from_fork+0x3a/0x50
[  234.645678] warn_alloc_show_mem: 1 callbacks suppressed
[  234.645705] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  234.645707] Mem-Info:
[  234.645737] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  234.645737]  active_file:15 inactive_file:15 isolated_file:0
[  234.645737]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.645737]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  234.645737]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  234.645737]  free:13623 free_pcp:480 free_cma:0
[  234.651091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.658370] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.660781] Call Trace:
[  234.693832] Node 0 
[  234.703173]  <IRQ>
[  234.731283] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  234.733838]  dump_stack+0x1c4/0x2b4
[  234.736044] lowmem_reserve[]:
[  234.738206]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.763681]  0
[  234.767307]  warn_alloc.cold.119+0xb7/0x1bd
[  234.770408]  2819
[  234.775588]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.777381]  6323
[  234.781697]  ? lock_downgrade+0x900/0x900
[  234.783731]  6323
[  234.788570]  ? trace_hardirqs_off+0xb8/0x310
[  234.794740]  ? trace_hardirqs_off+0xb8/0x310
[  234.796776] Node 0 
[  234.801175]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.805579] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  234.807795]  ? warn_alloc+0x120/0x120
[  234.812619] lowmem_reserve[]:
[  234.839506]  ? trace_hardirqs_on+0x310/0x310
[  234.843276]  0
[  234.846388]  ? warn_alloc+0x120/0x120
[  234.850772]  0
[  234.852587]  ? warn_alloc+0x120/0x120
[  234.856371]  3503
[  234.858179]  ? ktime_get+0x2e1/0x440
[  234.861950]  3503
[  234.864008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.869752]  ? check_preemption_disabled+0x48/0x200
[  234.875260] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  234.880315]  ? kasan_check_read+0x11/0x20
[  234.880332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.909511] lowmem_reserve[]:
[  234.913661]  ? should_fail+0x22d/0xd01
[  234.919167]  0
[  234.922265]  ? rcu_bh_qs+0xc0/0xc0
[  234.926128]  0
[  234.927929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.931439]  0
[  234.933252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.938324]  0
[  234.940143]  ? should_fail+0x22d/0xd01
[  234.947441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.951304] Node 0 
[  234.956397]  ? should_fail+0x22d/0xd01
[  234.956406] DMA: 
[  234.958641]  ? rcu_idle_enter+0x4b0/0x4b0
[  234.962497] 1*4kB 
[  234.964551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.968671] (U) 
[  234.970814]  ? mark_held_locks+0x130/0x130
[  234.975887] 0*8kB 
[  234.977857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.982064] 0*16kB 
[  234.984204]  ? mark_held_locks+0x130/0x130
[  234.989717] 1*32kB 
[  234.991948]  ? rcu_irq_exit+0xce/0x100
[  234.996153] (U) 
[  234.998383]  ? irq_exit+0xbd/0x1c0
[  235.002242] 2*64kB 
[  235.004211]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  235.007722] (U) 
[  235.009952]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.014946] 1*128kB 
[  235.016913]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.023118] (U) 
[  235.025436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.031293] 1*256kB 
[  235.033279]  ? ret_from_intr+0xb/0x1e
[  235.038783] (U) 
[  235.041106]  ? retint_kernel+0x2d/0x2d
[  235.044879] 0*512kB 
[  235.046850]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.050724] 1*1024kB 
[  235.053059]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.057956] (U) 
[  235.060367]  ? trace_hardirqs_off+0x310/0x310
[  235.065095] 1*2048kB 
[  235.067065]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.071531] (M) 
[  235.073939]  __alloc_pages_nodemask+0xa80/0xde0
[  235.079013] 3*4096kB 
[  235.081000]  ? should_fail+0x22d/0xd01
[  235.085657] (M) 
[  235.088064]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.091926] = 15908kB
[  235.093905]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.098886] Node 0 
[  235.101292]  ? lock_downgrade+0x900/0x900
[  235.105934] DMA32: 
[  235.108165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.112282] 3*4kB 
[  235.114509]  cache_grow_begin+0x91/0x8c0
[  235.120014] (UM) 
[  235.122160]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.126191] 2*8kB 
[  235.128261]  fallback_alloc+0x203/0x2e0
[  235.132645] (UM) 
[  235.134793]  ____cache_alloc_node+0x1c7/0x1e0
[  235.138764] 2*16kB 
[  235.140836]  kmem_cache_alloc_node+0xe3/0x730
[  235.145317] (M) 
[  235.147557]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.152039] 2*32kB 
[  235.154011]  __alloc_skb+0x119/0x770
[  235.158230] (M) 
[  235.160469]  ? skb_scrub_packet+0x490/0x490
[  235.164158] 4*64kB 
[  235.166158]  ? lock_downgrade+0x900/0x900
[  235.170450] (M) 
[  235.172684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.176810] 3*128kB 
[  235.178781]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.184316] (M) 
[  235.186629]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.192051] 4*256kB 
[  235.194021]  ? addrconf_rs_timer+0x690/0x690
[  235.199446] (UM) 
[  235.201765]  ndisc_alloc_skb+0x144/0x340
[  235.206147] 3*512kB 
[  235.208207]  ndisc_send_rs+0x331/0x6e0
[  235.212242] (M) 
[  235.214555]  addrconf_rs_timer+0x314/0x690
[  235.218417] 3*1024kB 
[  235.220384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.224595] (UM) 
[  235.227002]  call_timer_fn+0x272/0x920
[  235.231209] 3*2048kB 
[  235.233275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.237138] (M) 
[  235.239540]  ? process_timeout+0x40/0x40
[  235.243777] 3*4096kB 
[  235.245751]  ? trace_hardirqs_off+0xb8/0x310
[  235.249785] (M) 
[  235.252193]  ? kasan_check_read+0x11/0x20
[  235.256571] = 24828kB
[  235.258541]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.262660] Node 0 
[  235.265065]  ? trace_hardirqs_on+0x310/0x310
[  235.269464] Normal: 
[  235.271696]  ? __run_timers+0x7da/0xc70
[  235.276081] 1555*4kB 
[  235.278405]  ? lock_downgrade+0x900/0x900
[  235.282357] (UMEH) 
[  235.284764]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.288884] 298*8kB 
[  235.291145]  ? trace_hardirqs_on+0xbd/0x310
[  235.296229] (ME) 
[  235.298546]  ? kasan_check_read+0x11/0x20
[  235.302841] 96*16kB 
[  235.304898]  ? __run_timers+0x7da/0xc70
[  235.309016] (ME) 
[  235.311337]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.315293] 43*32kB 
[  235.317374]  ? kasan_check_write+0x14/0x20
[  235.322797] (UME) 
[  235.325118]  ? do_raw_spin_lock+0xc1/0x200
[  235.329323] 31*64kB 
[  235.331472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.335678] (UM) 
[  235.337997]  __run_timers+0x7e5/0xc70
[  235.342221] 0*128kB 
[  235.344280]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  235.348074] 1*256kB 
[  235.350392]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.355755] (U) 
[  235.358086]  ? timerqueue_add+0x207/0x2b0
[  235.363084] 0*512kB 
[  235.365068]  ? enqueue_hrtimer+0x1a5/0x560
[  235.369191] 0*1024kB 
[  235.371510]  ? lock_release+0x970/0x970
[  235.375716] 0*2048kB 
[  235.378122]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  235.382071] 0*4096kB 
[  235.384476]  ? kasan_check_write+0x14/0x20
[  235.389633] = 13756kB
[  235.392087]  ? pvclock_read_flags+0x160/0x160
[  235.396307] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  235.398729]  ? lock_downgrade+0x900/0x900
[  235.403201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  235.412039]  ? trace_hardirqs_on+0xbd/0x310
[  235.416174] 3632 total pagecache pages
[  235.424737]  ? kvm_sched_clock_read+0x9/0x20
[  235.429042] 0 pages in swap cache
[  235.432924]  ? irq_exit+0x17f/0x1c0
[  235.437561] Swap cache stats: add 0, delete 0, find 0/0
[  235.437570] Free swap  = 0kB
[  235.441023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.444623] Total swap = 0kB
[  235.449982]  ? check_preemption_disabled+0x48/0x200
[  235.452971] 1965979 pages RAM
[  235.458536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.461533] 0 pages HighMem/MovableOnly
[  235.466543]  run_timer_softirq+0x52/0xb0
[  235.469629] 342307 pages reserved
[  235.475158]  ? __this_cpu_preempt_check+0x1c/0x1f
[  235.479100] 0 pages cma reserved
[  235.483197]  __do_softirq+0x30b/0xad8
[  235.486694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.491463]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  235.494851] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.498595]  ? pvclock_read_flags+0x160/0x160
[  235.505066] ksoftirqd/0 cpuset=
[  235.510161]  ? lapic_next_event+0x5a/0x90
[  235.520446] /
[  235.524935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.528188]  mems_allowed=0
[  235.532325]  ? clockevents_program_event+0x140/0x370
[  235.547577]  ? kvm_clock_read+0x18/0x30
[  235.551549]  ? kvm_sched_clock_read+0x9/0x20
[  235.555961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.561502]  ? check_preemption_disabled+0x48/0x200
[  235.566524]  irq_exit+0x17f/0x1c0
[  235.570527]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.575376]  ? smp_reschedule_interrupt+0x109/0x650
[  235.580392]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.586279]  ? interrupt_entry+0xb5/0xf0
[  235.590352]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.595400]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.600432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.605463]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.610474]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.615493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.621043]  ? check_preemption_disabled+0x48/0x200
[  235.626054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.631608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.636454]  apic_timer_interrupt+0xf/0x20
[  235.640682]  </IRQ>
[  235.642939] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  235.647872] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  235.666771] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  235.674476] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  235.681738] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  235.689003] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  235.696266] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  235.703534] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  235.710823]  ? trace_hardirqs_on+0xb4/0x310
[  235.715156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.720698]  skb_clone+0x1bb/0x500
[  235.724241]  ? finish_task_switch+0x2f5/0x900
[  235.728734]  ? skb_split+0x11e0/0x11e0
[  235.732625]  ? preempt_notifier_register+0x200/0x200
[  235.737733]  ? __switch_to_asm+0x34/0x70
[  235.741790]  ? __switch_to_asm+0x34/0x70
[  235.745851]  ? __switch_to_asm+0x40/0x70
[  235.749914]  ? __switch_to_asm+0x34/0x70
[  235.753972]  ? __switch_to_asm+0x40/0x70
[  235.758037]  ? __switch_to_asm+0x34/0x70
[  235.762094]  ? __switch_to_asm+0x40/0x70
[  235.766160]  ? __switch_to_asm+0x34/0x70
[  235.770224]  ? __switch_to_asm+0x34/0x70
[  235.774287]  ? __switch_to_asm+0x40/0x70
[  235.778370]  ? __switch_to_asm+0x34/0x70
[  235.782442]  bpf_clone_redirect+0xb9/0x490
[  235.786680]  ? __schedule+0x874/0x1ed0
[  235.790572]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  235.795589]  ? __sched_text_start+0x8/0x8
[  235.799746]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.804504]  ? retint_kernel+0x2d/0x2d
[  235.808399]  ? lock_acquire+0x1ed/0x520
[  235.812375]  ? bpf_test_run+0x3cb/0x780
[  235.816359]  ? lock_release+0x970/0x970
[  235.820333]  ? preempt_schedule+0x4d/0x60
[  235.824490]  ? preempt_schedule_common+0x1f/0xd0
[  235.829245]  ? preempt_schedule+0x4d/0x60
[  235.833393]  ? ___preempt_schedule+0x16/0x18
[  235.837810]  ? bpf_test_run+0x25d/0x780
[  235.841788]  ? netlink_diag_dump+0x2a0/0x2a0
[  235.846197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.851727]  ? bpf_test_init.isra.9+0x70/0x100
[  235.856310]  ? bpf_prog_test_run_skb+0x634/0xb40
[  235.861076]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  235.865920]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.871460]  ? fput+0x130/0x1a0
[  235.874739]  ? __bpf_prog_get+0x9b/0x290
[  235.878802]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  235.883640]  ? bpf_prog_test_run+0x130/0x1a0
[  235.888048]  ? __x64_sys_bpf+0x3d8/0x510
[  235.892114]  ? bpf_prog_get+0x20/0x20
[  235.895926]  ? do_syscall_64+0x1b9/0x820
[  235.899988]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  235.905358]  ? syscall_return_slowpath+0x5e0/0x5e0
[  235.910290]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.915306]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  235.920321]  ? recalc_sigpending_tsk+0x180/0x180
[  235.925085]  ? kasan_check_write+0x14/0x20
[  235.929352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.934204]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  235.939580] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  235.939645] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.946431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.946436] Call Trace:
[  235.946456]  dump_stack+0x1c4/0x2b4
[  235.946470]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.946492]  warn_alloc.cold.119+0xb7/0x1bd
[  235.953010] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.962322]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.964887] syz-executor4 cpuset=
[  235.968508]  ? lock_downgrade+0x900/0x900
[  235.973668] syz4
[  235.977984]  ? trace_hardirqs_off+0xb8/0x310
[  235.988454]  mems_allowed=0
[  235.993299]  ? trace_hardirqs_off+0xb8/0x310
[  236.014520]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.019385]  ? warn_alloc+0x120/0x120
[  236.023186]  ? warn_alloc+0x120/0x120
[  236.026985]  ? warn_alloc+0x120/0x120
[  236.030783]  ? warn_alloc+0x120/0x120
[  236.034586]  ? warn_alloc+0x120/0x120
[  236.038392]  ? mark_held_locks+0x130/0x130
[  236.042630]  ? mark_held_locks+0x130/0x130
[  236.046869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.052402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.057940]  ? should_fail+0x22d/0xd01
[  236.061827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.066927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.072484]  ? should_fail+0x22d/0xd01
[  236.076393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.081493]  ? should_fail+0x22d/0xd01
[  236.085383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.090488]  ? mark_held_locks+0x130/0x130
[  236.094723]  ? mark_held_locks+0x130/0x130
[  236.098960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.104501]  ? trace_hardirqs_off+0xb8/0x310
[  236.108908]  ? kasan_check_read+0x11/0x20
[  236.113059]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.117506]  ? trace_hardirqs_on+0x310/0x310
[  236.121917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.127453]  ? wq_watchdog_touch+0x9c/0xfe
[  236.131686]  ? io_serial_in+0x11/0x90
[  236.135485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.141027]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.146140]  __alloc_pages_nodemask+0xa80/0xde0
[  236.150810]  ? should_fail+0x22d/0xd01
[  236.154698]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.159728]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.164397]  ? lock_downgrade+0x900/0x900
[  236.168553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.174097]  cache_grow_begin+0x91/0x8c0
[  236.178158]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.182572]  fallback_alloc+0x203/0x2e0
[  236.186553]  ____cache_alloc_node+0x1c7/0x1e0
[  236.191054]  kmem_cache_alloc_node+0xe3/0x730
[  236.195547]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.199787]  __alloc_skb+0x119/0x770
[  236.203511]  ? skb_scrub_packet+0x490/0x490
[  236.207834]  ? lock_downgrade+0x900/0x900
[  236.212075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.217619]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.223070]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.228521]  ? addrconf_rs_timer+0x690/0x690
[  236.232947]  ndisc_alloc_skb+0x144/0x340
[  236.237011]  ndisc_send_rs+0x331/0x6e0
[  236.240899]  addrconf_rs_timer+0x314/0x690
[  236.245133]  ? lock_release+0x970/0x970
[  236.249105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.253358]  call_timer_fn+0x272/0x920
[  236.257244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.261482]  ? process_timeout+0x40/0x40
[  236.265548]  ? kasan_check_read+0x11/0x20
[  236.269700]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.274106]  ? trace_hardirqs_on+0x310/0x310
[  236.278537]  ? __run_timers+0x7da/0xc70
[  236.282515]  ? lock_downgrade+0x900/0x900
[  236.286670]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.291772]  ? trace_hardirqs_on+0xbd/0x310
[  236.296096]  ? kasan_check_read+0x11/0x20
[  236.300244]  ? __run_timers+0x7da/0xc70
[  236.304216]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.309675]  ? kasan_check_write+0x14/0x20
[  236.313912]  ? do_raw_spin_lock+0xc1/0x200
[  236.318149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.322388]  __run_timers+0x7e5/0xc70
[  236.326198]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.331561]  ? compat_start_thread+0x80/0x80
[  236.335969]  ? dequeue_entity+0x1770/0x1770
[  236.340294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.345834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.351385]  ? _raw_spin_unlock_irq+0x60/0x80
[  236.355884]  ? finish_task_switch+0x1f5/0x900
[  236.360382]  ? finish_task_switch+0x1b5/0x900
[  236.364878]  ? __switch_to_asm+0x34/0x70
[  236.368942]  ? preempt_notifier_register+0x200/0x200
[  236.374047]  ? __switch_to_asm+0x34/0x70
[  236.378111]  ? __switch_to_asm+0x40/0x70
[  236.382170]  ? __switch_to_asm+0x34/0x70
[  236.386227]  ? __switch_to_asm+0x40/0x70
[  236.390284]  ? __switch_to_asm+0x34/0x70
[  236.394363]  ? __switch_to_asm+0x40/0x70
[  236.398426]  ? __switch_to_asm+0x40/0x70
[  236.402491]  ? pvclock_read_flags+0x160/0x160
[  236.406988]  ? __schedule+0x874/0x1ed0
[  236.410876]  ? run_rebalance_domains+0x38d/0x500
[  236.415643]  ? trace_hardirqs_on+0xbd/0x310
[  236.419965]  ? kvm_sched_clock_read+0x9/0x20
[  236.424381]  ? run_ksoftirqd+0x94/0x100
[  236.428366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.433909]  ? check_preemption_disabled+0x48/0x200
[  236.438950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.444496]  run_timer_softirq+0x52/0xb0
[  236.448558]  ? __this_cpu_preempt_check+0x1c/0x1f
[  236.453404]  __do_softirq+0x30b/0xad8
[  236.457214]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.462316]  ? trace_hardirqs_off+0xb8/0x310
[  236.466733]  ? schedule+0x108/0x460
[  236.470366]  ? __schedule+0x1ed0/0x1ed0
[  236.474351]  ? run_ksoftirqd+0x40/0x100
[  236.478333]  ? trace_hardirqs_off+0xb8/0x310
[  236.482752]  ? ___might_sleep+0x1ed/0x300
[  236.486897]  ? smpboot_thread_fn+0x68b/0xa00
[  236.491304]  ? trace_hardirqs_on+0x310/0x310
[  236.495713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.501271]  ? check_preemption_disabled+0x48/0x200
[  236.506285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.511825]  ? takeover_tasklets+0xa90/0xa90
[  236.516234]  run_ksoftirqd+0x94/0x100
[  236.520034]  smpboot_thread_fn+0x68b/0xa00
[  236.524267]  ? sort_range+0x30/0x30
[  236.527904]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.533005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.538548]  ? __kthread_parkme+0xfb/0x1a0
[  236.542784]  kthread+0x35a/0x420
[  236.546152]  ? sort_range+0x30/0x30
[  236.549776]  ? kthread_bind+0x40/0x40
[  236.553580]  ret_from_fork+0x3a/0x50
[  236.557303] warn_alloc_show_mem: 1 callbacks suppressed
[  236.557315] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  236.557317] Mem-Info:
[  236.557357] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  236.557357]  active_file:15 inactive_file:15 isolated_file:0
[  236.557357]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.557357]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  236.557357]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  236.557357]  free:13623 free_pcp:480 free_cma:0
[  236.562696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.569971] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.572395] Call Trace:
[  236.605444] Node 0 
[  236.614795]  <IRQ>
[  236.642589] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.645160]  dump_stack+0x1c4/0x2b4
[  236.647365] lowmem_reserve[]:
[  236.649527]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.675014]  0
[  236.678659]  warn_alloc.cold.119+0xb7/0x1bd
[  236.681725]  2819
[  236.686933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.688706]  6323
[  236.693027]  ? lock_downgrade+0x900/0x900
[  236.695057]  6323
[  236.699898]  ? trace_hardirqs_off+0xb8/0x310
[  236.706073]  ? trace_hardirqs_off+0xb8/0x310
[  236.708112] Node 0 
[  236.712515]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.716921] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  236.719145]  ? warn_alloc+0x120/0x120
[  236.723947] lowmem_reserve[]:
[  236.750867]  ? warn_alloc+0x120/0x120
[  236.754640]  0
[  236.757740]  ? warn_alloc+0x120/0x120
[  236.761514]  0
[  236.763314]  ? mark_held_locks+0x130/0x130
[  236.767087]  3503
[  236.768893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.773106]  3503
[  236.775200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.780709] Node 0 
[  236.782770]  ? should_fail+0x22d/0xd01
[  236.788303] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  236.790508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.794364] lowmem_reserve[]: 0 0
[  236.822939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.828012]  0
[  236.831460]  ? should_fail+0x22d/0xd01
[  236.836964]  0
[  236.838760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.844432]  ? should_fail+0x22d/0xd01
[  236.849513] Node 0 DMA: 
[  236.853400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.853404] 1*4kB (U) 
[  236.856083]  ? mark_held_locks+0x130/0x130
[  236.861160] 0*8kB 
[  236.863652]  ? mark_held_locks+0x130/0x130
[  236.867859] 0*16kB 
[  236.870010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.874217] 1*32kB 
[  236.876451]  ? trace_hardirqs_off+0xb8/0x310
[  236.881958] (U) 
[  236.884191]  ? kasan_check_read+0x11/0x20
[  236.888570] 2*64kB 
[  236.890562]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.894682] (U) 
[  236.896914]  ? trace_hardirqs_on+0x310/0x310
[  236.901301] 1*128kB 
[  236.903272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.907652] (U) 
[  236.909966]  ? wq_watchdog_touch+0x9c/0xfe
[  236.915480] 1*256kB 
[  236.917449]  ? io_serial_in+0x11/0x90
[  236.921657] (U) 
[  236.923975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.927757] 0*512kB 
[  236.929729]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.935237] 1*1024kB 
[  236.937558]  __alloc_pages_nodemask+0xa80/0xde0
[  236.942632] (U) 
[  236.945040]  ? should_fail+0x22d/0xd01
[  236.949685] 1*2048kB 
[  236.951654]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.955511] (M) 
[  236.957930]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.962910] 3*4096kB 
[  236.964880]  ? lock_downgrade+0x900/0x900
[  236.969521] (M) 
[  236.971926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.976044] = 15908kB
[  236.978017]  cache_grow_begin+0x91/0x8c0
[  236.983538] Node 0 
[  236.985941]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.989969] DMA32: 
[  236.992202]  fallback_alloc+0x203/0x2e0
[  236.996580] 3*4kB 
[  236.998809]  ____cache_alloc_node+0x1c7/0x1e0
[  237.002758] (UM) 
[  237.004905]  kmem_cache_alloc_node+0xe3/0x730
[  237.009374] 2*8kB 
[  237.011429]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.015894] (UM) 
[  237.018042]  __alloc_skb+0x119/0x770
[  237.022245] 2*16kB 
[  237.024314]  ? skb_scrub_packet+0x490/0x490
[  237.028001] (M) 
[  237.030233]  ? lock_downgrade+0x900/0x900
[  237.034529] 2*32kB 
[  237.036498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.040616] (M) 
[  237.042853]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.048372] 4*64kB 
[  237.050351]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.055769] (M) 
[  237.058003]  ? addrconf_rs_timer+0x690/0x690
[  237.063418] 3*128kB (M) 
[  237.065401]  ndisc_alloc_skb+0x144/0x340
[  237.069779] 4*256kB 
[  237.072442]  ndisc_send_rs+0x331/0x6e0
[  237.076475] (UM) 
[  237.078806]  addrconf_rs_timer+0x314/0x690
[  237.082669] 3*512kB 
[  237.084727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.088939] (M) 
[  237.091260]  call_timer_fn+0x272/0x920
[  237.095466] 3*1024kB 
[  237.097446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.101309] (UM) 
[  237.103718]  ? process_timeout+0x40/0x40
[  237.107941] 3*2048kB 
[  237.110000]  ? trace_hardirqs_off+0xb8/0x310
[  237.114031] (M) 
[  237.116437]  ? kasan_check_read+0x11/0x20
[  237.120813] 3*4096kB 
[  237.122802]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.126940] (M) 
[  237.129383]  ? trace_hardirqs_on+0x310/0x310
[  237.133780] = 24828kB
[  237.135753]  ? __run_timers+0x7da/0xc70
[  237.140132] Node 0 
[  237.142534]  ? lock_downgrade+0x900/0x900
[  237.146479] Normal: 
[  237.148711]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.152831] 1555*4kB 
[  237.155148]  ? trace_hardirqs_on+0xbd/0x310
[  237.160222] (UMEH) 
[  237.162630]  ? kasan_check_read+0x11/0x20
[  237.166924] 298*8kB 
[  237.169164]  ? __run_timers+0x7da/0xc70
[  237.173291] (ME) 
[  237.175610]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.179559] 96*16kB 
[  237.181635]  ? kasan_check_write+0x14/0x20
[  237.187058] (ME) 
[  237.189384]  ? do_raw_spin_lock+0xc1/0x200
[  237.193586] 43*32kB 
[  237.195642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.199850] (UME) 
[  237.202170]  __run_timers+0x7e5/0xc70
[  237.206375] 31*64kB 
[  237.208527]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.212290] (UM) 
[  237.214608]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.219963] 0*128kB 
[  237.222022]  ? timerqueue_add+0x207/0x2b0
[  237.227009] 1*256kB 
[  237.229328]  ? enqueue_hrtimer+0x1a5/0x560
[  237.233452] (U) 
[  237.235772]  ? lock_release+0x970/0x970
[  237.239978] 0*512kB 
[  237.241947]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.245895] 0*1024kB 
[  237.248221]  ? kasan_check_write+0x14/0x20
[  237.253377] 0*2048kB 
[  237.255784]  ? pvclock_read_flags+0x160/0x160
[  237.259988] 0*4096kB 
[  237.262392]  ? lock_downgrade+0x900/0x900
[  237.266859] = 13756kB
[  237.269268]  ? trace_hardirqs_on+0xbd/0x310
[  237.273394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  237.275796]  ? kvm_sched_clock_read+0x9/0x20
[  237.280092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  237.288923]  ? irq_exit+0x17f/0x1c0
[  237.293306] 3632 total pagecache pages
[  237.301881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.305483] 0 pages in swap cache
[  237.309377]  ? check_preemption_disabled+0x48/0x200
[  237.314886] Swap cache stats: add 0, delete 0, find 0/0
[  237.318329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.323314] Free swap  = 0kB
[  237.328672]  run_timer_softirq+0x52/0xb0
[  237.334178] Total swap = 0kB
[  237.337195]  ? __this_cpu_preempt_check+0x1c/0x1f
[  237.341224] 1965979 pages RAM
[  237.344238]  __do_softirq+0x30b/0xad8
[  237.349064] 0 pages HighMem/MovableOnly
[  237.352164]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.355934] 342307 pages reserved
[  237.359906]  ? pvclock_read_flags+0x160/0x160
[  237.364981] 0 pages cma reserved
[  237.368428]  ? lapic_next_event+0x5a/0x90
[  237.372963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.376273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.376293]  ? clockevents_program_event+0x140/0x370
[  237.380471] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.386905]  ? kvm_clock_read+0x18/0x30
[  237.392411] ksoftirqd/0 cpuset=
[  237.397524]  ? kvm_sched_clock_read+0x9/0x20
[  237.407810] /
[  237.411781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.415032]  mems_allowed=0
[  237.419439]  ? check_preemption_disabled+0x48/0x200
[  237.434577]  irq_exit+0x17f/0x1c0
[  237.438212]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.443083]  ? smp_reschedule_interrupt+0x109/0x650
[  237.448128]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.454012]  ? interrupt_entry+0xb5/0xf0
[  237.458087]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.463109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.468142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.472985]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.478017]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.483029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.488566]  ? check_preemption_disabled+0x48/0x200
[  237.493582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.499152]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.504000]  apic_timer_interrupt+0xf/0x20
[  237.508227]  </IRQ>
[  237.510466] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  237.515411] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  237.534319] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  237.542037] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  237.549301] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  237.556566] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  237.563832] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  237.571590] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  237.578883]  ? trace_hardirqs_on+0xb4/0x310
[  237.583217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.588781]  skb_clone+0x1bb/0x500
[  237.592333]  ? finish_task_switch+0x2f5/0x900
[  237.596835]  ? skb_split+0x11e0/0x11e0
[  237.600738]  ? preempt_notifier_register+0x200/0x200
[  237.605845]  ? __switch_to_asm+0x34/0x70
[  237.609904]  ? __switch_to_asm+0x34/0x70
[  237.613965]  ? __switch_to_asm+0x40/0x70
[  237.618042]  ? __switch_to_asm+0x34/0x70
[  237.622132]  ? __switch_to_asm+0x40/0x70
[  237.626193]  ? __switch_to_asm+0x34/0x70
[  237.630269]  ? __switch_to_asm+0x40/0x70
[  237.634338]  ? __switch_to_asm+0x34/0x70
[  237.638410]  ? __switch_to_asm+0x34/0x70
[  237.642471]  ? __switch_to_asm+0x40/0x70
[  237.646529]  ? __switch_to_asm+0x34/0x70
[  237.650607]  bpf_clone_redirect+0xb9/0x490
[  237.654842]  ? __schedule+0x874/0x1ed0
[  237.658733]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  237.663768]  ? __sched_text_start+0x8/0x8
[  237.667917]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.672679]  ? retint_kernel+0x2d/0x2d
[  237.676574]  ? lock_acquire+0x1ed/0x520
[  237.680572]  ? bpf_test_run+0x3cb/0x780
[  237.684568]  ? lock_release+0x970/0x970
[  237.688539]  ? preempt_schedule+0x4d/0x60
[  237.692701]  ? preempt_schedule_common+0x1f/0xd0
[  237.697471]  ? preempt_schedule+0x4d/0x60
[  237.701619]  ? ___preempt_schedule+0x16/0x18
[  237.706036]  ? bpf_test_run+0x25d/0x780
[  237.710016]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.714432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.719969]  ? bpf_test_init.isra.9+0x70/0x100
[  237.724554]  ? bpf_prog_test_run_skb+0x634/0xb40
[  237.729313]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.734163]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.739700]  ? fput+0x130/0x1a0
[  237.742982]  ? __bpf_prog_get+0x9b/0x290
[  237.747041]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.751880]  ? bpf_prog_test_run+0x130/0x1a0
[  237.756289]  ? __x64_sys_bpf+0x3d8/0x510
[  237.760356]  ? bpf_prog_get+0x20/0x20
[  237.764171]  ? do_syscall_64+0x1b9/0x820
[  237.768232]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.773594]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.778545]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.783563]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.788595]  ? recalc_sigpending_tsk+0x180/0x180
[  237.793364]  ? kasan_check_write+0x14/0x20
[  237.797607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.802458]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.807839] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  237.807907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.814688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.821258] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.830519] Call Trace:
[  237.840993] syz-executor4 cpuset=syz4 mems_allowed=0
[  237.843585]  dump_stack+0x1c4/0x2b4
[  237.843608]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.857488]  warn_alloc.cold.119+0xb7/0x1bd
[  237.861814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.866663]  ? lock_downgrade+0x900/0x900
[  237.870817]  ? trace_hardirqs_off+0xb8/0x310
[  237.875233]  ? trace_hardirqs_off+0xb8/0x310
[  237.879650]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.884510]  ? warn_alloc+0x120/0x120
[  237.888307]  ? warn_alloc+0x120/0x120
[  237.892111]  ? warn_alloc+0x120/0x120
[  237.895914]  ? warn_alloc+0x120/0x120
[  237.899717]  ? warn_alloc+0x120/0x120
[  237.903521]  ? mark_held_locks+0x130/0x130
[  237.907755]  ? mark_held_locks+0x130/0x130
[  237.911990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.917525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.923064]  ? should_fail+0x22d/0xd01
[  237.926953]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.932053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.937589]  ? should_fail+0x22d/0xd01
[  237.941484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.946591]  ? should_fail+0x22d/0xd01
[  237.950489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.955596]  ? mark_held_locks+0x130/0x130
[  237.959838]  ? mark_held_locks+0x130/0x130
[  237.964073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.969619]  ? trace_hardirqs_off+0xb8/0x310
[  237.974028]  ? kasan_check_read+0x11/0x20
[  237.978175]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.982583]  ? trace_hardirqs_on+0x310/0x310
[  237.986991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.992528]  ? wq_watchdog_touch+0x9c/0xfe
[  237.996765]  ? io_serial_in+0x11/0x90
[  238.000570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.006117]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.011235]  __alloc_pages_nodemask+0xa80/0xde0
[  238.015917]  ? should_fail+0x22d/0xd01
[  238.019807]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.024841]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.029511]  ? lock_downgrade+0x900/0x900
[  238.033663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.039205]  cache_grow_begin+0x91/0x8c0
[  238.043267]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.047679]  fallback_alloc+0x203/0x2e0
[  238.051656]  ____cache_alloc_node+0x1c7/0x1e0
[  238.056153]  kmem_cache_alloc_node+0xe3/0x730
[  238.060648]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.064888]  __alloc_skb+0x119/0x770
[  238.068609]  ? skb_scrub_packet+0x490/0x490
[  238.072931]  ? lock_downgrade+0x900/0x900
[  238.077085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.082627]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.088080]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.093531]  ? addrconf_rs_timer+0x690/0x690
[  238.097946]  ndisc_alloc_skb+0x144/0x340
[  238.102011]  ndisc_send_rs+0x331/0x6e0
[  238.105900]  addrconf_rs_timer+0x314/0x690
[  238.110135]  ? lock_release+0x970/0x970
[  238.114111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.118362]  call_timer_fn+0x272/0x920
[  238.122249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.126485]  ? process_timeout+0x40/0x40
[  238.130546]  ? kasan_check_read+0x11/0x20
[  238.134695]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.139110]  ? trace_hardirqs_on+0x310/0x310
[  238.143521]  ? __run_timers+0x7da/0xc70
[  238.147495]  ? lock_downgrade+0x900/0x900
[  238.151650]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.156754]  ? trace_hardirqs_on+0xbd/0x310
[  238.161076]  ? kasan_check_read+0x11/0x20
[  238.165223]  ? __run_timers+0x7da/0xc70
[  238.169198]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.174651]  ? kasan_check_write+0x14/0x20
[  238.178887]  ? do_raw_spin_lock+0xc1/0x200
[  238.183128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.187370]  __run_timers+0x7e5/0xc70
[  238.191184]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  238.196543]  ? compat_start_thread+0x80/0x80
[  238.200951]  ? dequeue_entity+0x1770/0x1770
[  238.205274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.210813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.216365]  ? _raw_spin_unlock_irq+0x60/0x80
[  238.220865]  ? finish_task_switch+0x1f5/0x900
[  238.225383]  ? finish_task_switch+0x1b5/0x900
[  238.230052]  ? __switch_to_asm+0x34/0x70
[  238.234112]  ? preempt_notifier_register+0x200/0x200
[  238.239218]  ? __switch_to_asm+0x34/0x70
[  238.243281]  ? __switch_to_asm+0x40/0x70
[  238.247349]  ? __switch_to_asm+0x34/0x70
[  238.251409]  ? __switch_to_asm+0x40/0x70
[  238.255469]  ? __switch_to_asm+0x34/0x70
[  238.259526]  ? __switch_to_asm+0x40/0x70
[  238.263585]  ? __switch_to_asm+0x40/0x70
[  238.267654]  ? pvclock_read_flags+0x160/0x160
[  238.272147]  ? __schedule+0x874/0x1ed0
[  238.276034]  ? run_rebalance_domains+0x38d/0x500
[  238.280798]  ? trace_hardirqs_on+0xbd/0x310
[  238.285118]  ? kvm_sched_clock_read+0x9/0x20
[  238.289531]  ? run_ksoftirqd+0x94/0x100
[  238.293506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.299044]  ? check_preemption_disabled+0x48/0x200
[  238.304084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.309631]  run_timer_softirq+0x52/0xb0
[  238.313690]  ? __this_cpu_preempt_check+0x1c/0x1f
[  238.318534]  __do_softirq+0x30b/0xad8
[  238.322352]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  238.327458]  ? trace_hardirqs_off+0xb8/0x310
[  238.331870]  ? schedule+0x108/0x460
[  238.335497]  ? __schedule+0x1ed0/0x1ed0
[  238.339475]  ? run_ksoftirqd+0x40/0x100
[  238.343448]  ? trace_hardirqs_off+0xb8/0x310
[  238.347855]  ? ___might_sleep+0x1ed/0x300
[  238.352000]  ? smpboot_thread_fn+0x68b/0xa00
[  238.356438]  ? trace_hardirqs_on+0x310/0x310
[  238.360844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.366398]  ? check_preemption_disabled+0x48/0x200
[  238.371445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.376981]  ? takeover_tasklets+0xa90/0xa90
[  238.381404]  run_ksoftirqd+0x94/0x100
[  238.385201]  smpboot_thread_fn+0x68b/0xa00
[  238.389436]  ? sort_range+0x30/0x30
[  238.393096]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.398213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.403750]  ? __kthread_parkme+0xfb/0x1a0
[  238.407986]  kthread+0x35a/0x420
[  238.411361]  ? sort_range+0x30/0x30
[  238.414986]  ? kthread_bind+0x40/0x40
[  238.418817]  ret_from_fork+0x3a/0x50
[  238.422537] warn_alloc_show_mem: 1 callbacks suppressed
[  238.422551] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  238.422553] Mem-Info:
[  238.422584] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  238.422584]  active_file:15 inactive_file:15 isolated_file:0
[  238.422584]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.422584]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  238.422584]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  238.422584]  free:13623 free_pcp:480 free_cma:0
[  238.427943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.435655] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.438054] Call Trace:
[  238.471100] Node 0 
[  238.480471]  <IRQ>
[  238.508242] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  238.510806]  dump_stack+0x1c4/0x2b4
[  238.513005] lowmem_reserve[]:
[  238.515148]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.540655]  0
[  238.544297]  warn_alloc.cold.119+0xb7/0x1bd
[  238.547366]  2819
[  238.552570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.554357]  6323
[  238.558676]  ? lock_downgrade+0x900/0x900
[  238.560713]  6323
[  238.565558]  ? trace_hardirqs_off+0xb8/0x310
[  238.571731]  ? trace_hardirqs_off+0xb8/0x310
[  238.573773] Node 0 
[  238.578183]  __alloc_pages_slowpath+0x2667/0x2d80
[  238.582591] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  238.584813]  ? warn_alloc+0x120/0x120
[  238.589623] lowmem_reserve[]:
[  238.616545]  ? trace_hardirqs_on+0x310/0x310
[  238.620319]  0
[  238.623442]  ? warn_alloc+0x120/0x120
[  238.627821]  0
[  238.629621]  ? warn_alloc+0x120/0x120
[  238.633395]  3503
[  238.635192]  ? ktime_get+0x2e1/0x440
[  238.638963]  3503
[  238.641022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.646766]  ? check_preemption_disabled+0x48/0x200
[  238.652304] Node 0 
[  238.657314]  ? kasan_check_read+0x11/0x20
[  238.657354] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  238.657360] lowmem_reserve[]:
[  238.659591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.663719]  0
[  238.692253]  ? should_fail+0x22d/0xd01
[  238.695332]  0
[  238.700872]  ? rcu_bh_qs+0xc0/0xc0
[  238.702644]  0
[  238.706523]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.708299]  0
[  238.711836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.718714]  ? should_fail+0x22d/0xd01
[  238.720512] Node 0 
[  238.726057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.729919] DMA: 
[  238.732162]  ? should_fail+0x22d/0xd01
[  238.737254] 1*4kB 
[  238.739323]  ? rcu_idle_enter+0x4b0/0x4b0
[  238.743178] (U) 
[  238.745320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.749458] 0*8kB 
[  238.751447]  ? mark_held_locks+0x130/0x130
[  238.756523] 0*16kB 
[  238.758672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.762893] 1*32kB 
[  238.765128]  ? mark_held_locks+0x130/0x130
[  238.770636] (U) 
[  238.772869]  ? rcu_irq_exit+0xce/0x100
[  238.777075] 2*64kB 
[  238.779059]  ? irq_exit+0xbd/0x1c0
[  238.782933] (U) 
[  238.785164]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  238.788676] 1*128kB 
[  238.790657]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.795646] (U) 
[  238.797961]  ? smp_call_function_single_interrupt+0x650/0x650
[  238.802352] 1*256kB 
[  238.804321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.810189] (U) 
[  238.812518]  ? ret_from_intr+0xb/0x1e
[  238.818055] 0*512kB 
[  238.820023]  ? retint_kernel+0x2d/0x2d
[  238.823796] 1*1024kB 
[  238.826120]  ? trace_hardirqs_on_caller+0xc0/0x310
[  238.829972] (U) 
[  238.832378]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.837278] 1*2048kB 
[  238.839245]  ? trace_hardirqs_off+0x310/0x310
[  238.843972] (M) 
[  238.846387]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.850853] 3*4096kB 
[  238.852844]  __alloc_pages_nodemask+0xa80/0xde0
[  238.857931] (M) 
[  238.860339]  ? should_fail+0x22d/0xd01
[  238.865005] = 15908kB
[  238.866989]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.870848] Node 0 
[  238.873261]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.878241] DMA32: 
[  238.880472]  ? lock_downgrade+0x900/0x900
[  238.885129] 3*4kB 
[  238.887369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.891488] (UM) 
[  238.893632]  cache_grow_begin+0x91/0x8c0
[  238.893649]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.899183] 2*8kB 
[  238.901269]  fallback_alloc+0x203/0x2e0
[  238.905304] (UM) 
[  238.909708]  ____cache_alloc_node+0x1c7/0x1e0
[  238.911831] 2*16kB 
[  238.915796]  kmem_cache_alloc_node+0xe3/0x730
[  238.917833] (M) 
[  238.922320]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.924529] 2*32kB 
[  238.929016]  __alloc_skb+0x119/0x770
[  238.930963] (M) 
[  238.935204]  ? skb_scrub_packet+0x490/0x490
[  238.937420] 4*64kB 
[  238.941130]  ? lock_downgrade+0x900/0x900
[  238.943079] (M) 
[  238.947402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.949628] 3*128kB 
[  238.953771]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.955717] (M) 
[  238.961244]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.963545] 4*256kB 
[  238.968989]  ? addrconf_rs_timer+0x690/0x690
[  238.970938] (UM) 
[  238.976388]  ndisc_alloc_skb+0x144/0x340
[  238.978688] 3*512kB 
[  238.983092]  ndisc_send_rs+0x331/0x6e0
[  238.985132] (M) 
[  238.989186]  addrconf_rs_timer+0x314/0x690
[  238.991488] 3*1024kB 
[  238.995382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.997331] (UM) 
[  239.001569]  call_timer_fn+0x272/0x920
[  239.003948] 3*2048kB 
[  239.008171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.010212] (M) 
[  239.014089]  ? process_timeout+0x40/0x40
[  239.016473] 3*4096kB 
[  239.020702]  ? trace_hardirqs_off+0xb8/0x310
[  239.022653] (M) 
[  239.026708]  ? kasan_check_read+0x11/0x20
[  239.029093] = 24828kB
[  239.033508]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.035459] Node 0 
[  239.039596]  ? trace_hardirqs_on+0x310/0x310
[  239.041989] Normal: 
[  239.046390]  ? __run_timers+0x7da/0xc70
[  239.048598] 1555*4kB 
[  239.053000]  ? lock_downgrade+0x900/0x900
[  239.055296] (UMEH) 
[  239.059264]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.061646] 298*8kB 
[  239.065786]  ? trace_hardirqs_on+0xbd/0x310
[  239.067996] (ME) 
[  239.073095]  ? kasan_check_read+0x11/0x20
[  239.075396] 96*16kB 
[  239.079713]  ? __run_timers+0x7da/0xc70
[  239.081752] (ME) 
[  239.085895]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.088193] 43*32kB 
[  239.092158]  ? kasan_check_write+0x14/0x20
[  239.094197] (UME) 
[  239.099642]  ? do_raw_spin_lock+0xc1/0x200
[  239.101942] 31*64kB 
[  239.106164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.108296] (UM) 
[  239.112524]  __run_timers+0x7e5/0xc70
[  239.114830] 0*128kB 
[  239.119057]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.121103] 1*256kB 
[  239.124897]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.127194] (U) 
[  239.132553]  ? timerqueue_add+0x207/0x2b0
[  239.134851] 0*512kB 
[  239.139856]  ? enqueue_hrtimer+0x1a5/0x560
[  239.141804] 0*1024kB 
[  239.145941]  ? lock_release+0x970/0x970
[  239.148243] 0*2048kB 
[  239.152468]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.154854] 0*4096kB 
[  239.158820]  ? kasan_check_write+0x14/0x20
[  239.161202] = 13756kB
[  239.166382]  ? pvclock_read_flags+0x160/0x160
[  239.168774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  239.172993]  ? lock_downgrade+0x900/0x900
[  239.175385] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  239.179867]  ? trace_hardirqs_on+0xbd/0x310
[  239.188673] 3632 total pagecache pages
[  239.192815]  ? kvm_sched_clock_read+0x9/0x20
[  239.201365] 0 pages in swap cache
[  239.205694]  ? irq_exit+0x17f/0x1c0
[  239.209555] Swap cache stats: add 0, delete 0, find 0/0
[  239.213953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.217380] Free swap  = 0kB
[  239.221021]  ? check_preemption_disabled+0x48/0x200
[  239.226359] Total swap = 0kB
[  239.231909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.234901] 1965979 pages RAM
[  239.239909]  run_timer_softirq+0x52/0xb0
[  239.242917] 0 pages HighMem/MovableOnly
[  239.248449]  ? __this_cpu_preempt_check+0x1c/0x1f
[  239.251525] 342307 pages reserved
[  239.255577]  __do_softirq+0x30b/0xad8
[  239.259528] 0 pages cma reserved
[  239.264369]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.267886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.271587]  ? pvclock_read_flags+0x160/0x160
[  239.274978] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.280018]  ? lapic_next_event+0x5a/0x90
[  239.286485] ksoftirqd/0 cpuset=
[  239.290988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.301272] /
[  239.305418]  ? clockevents_program_event+0x140/0x370
[  239.308672]  mems_allowed=0
[  239.314201]  ? kvm_clock_read+0x18/0x30
[  239.327868]  ? kvm_sched_clock_read+0x9/0x20
[  239.332279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.337819]  ? check_preemption_disabled+0x48/0x200
[  239.342847]  irq_exit+0x17f/0x1c0
[  239.346299]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.351135]  ? smp_reschedule_interrupt+0x109/0x650
[  239.356145]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.362080]  ? interrupt_entry+0xb5/0xf0
[  239.366142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.371157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.376170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.381008]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.386020]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.391034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.396573]  ? check_preemption_disabled+0x48/0x200
[  239.401583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.407127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.411980]  apic_timer_interrupt+0xf/0x20
[  239.416221]  </IRQ>
[  239.418474] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.423419] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  239.442443] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  239.450146] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  239.457443] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  239.464706] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  239.471968] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  239.479233] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  239.486516]  ? trace_hardirqs_on+0xb4/0x310
[  239.490842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.496386]  skb_clone+0x1bb/0x500
[  239.499925]  ? finish_task_switch+0x2f5/0x900
[  239.504422]  ? skb_split+0x11e0/0x11e0
[  239.508308]  ? preempt_notifier_register+0x200/0x200
[  239.513409]  ? __switch_to_asm+0x34/0x70
[  239.517465]  ? __switch_to_asm+0x34/0x70
[  239.521525]  ? __switch_to_asm+0x40/0x70
[  239.525582]  ? __switch_to_asm+0x34/0x70
[  239.529655]  ? __switch_to_asm+0x40/0x70
[  239.533727]  ? __switch_to_asm+0x34/0x70
[  239.537787]  ? __switch_to_asm+0x40/0x70
[  239.541845]  ? __switch_to_asm+0x34/0x70
[  239.545921]  ? __switch_to_asm+0x34/0x70
[  239.549991]  ? __switch_to_asm+0x40/0x70
[  239.554048]  ? __switch_to_asm+0x34/0x70
[  239.558117]  bpf_clone_redirect+0xb9/0x490
[  239.562358]  ? __schedule+0x874/0x1ed0
[  239.566255]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  239.571791]  ? __sched_text_start+0x8/0x8
[  239.575957]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.580730]  ? retint_kernel+0x2d/0x2d
[  239.584656]  ? lock_acquire+0x1ed/0x520
[  239.588644]  ? bpf_test_run+0x3cb/0x780
[  239.592616]  ? lock_release+0x970/0x970
[  239.596601]  ? preempt_schedule+0x4d/0x60
[  239.600746]  ? preempt_schedule_common+0x1f/0xd0
[  239.605496]  ? preempt_schedule+0x4d/0x60
[  239.609640]  ? ___preempt_schedule+0x16/0x18
[  239.614050]  ? bpf_test_run+0x25d/0x780
[  239.618038]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.622450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.627986]  ? bpf_test_init.isra.9+0x70/0x100
[  239.632568]  ? bpf_prog_test_run_skb+0x634/0xb40
[  239.637324]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  239.642169]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.647705]  ? fput+0x130/0x1a0
[  239.651007]  ? __bpf_prog_get+0x9b/0x290
[  239.655069]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  239.659904]  ? bpf_prog_test_run+0x130/0x1a0
[  239.664313]  ? __x64_sys_bpf+0x3d8/0x510
[  239.668381]  ? bpf_prog_get+0x20/0x20
[  239.672191]  ? do_syscall_64+0x1b9/0x820
[  239.676253]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.681616]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.686547]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.691561]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.696573]  ? recalc_sigpending_tsk+0x180/0x180
[  239.701331]  ? kasan_check_write+0x14/0x20
[  239.705582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.710444]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.715825] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  239.715894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.722669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.722677] Call Trace:
[  239.729272] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.738514]  dump_stack+0x1c4/0x2b4
[  239.741073] syz-executor4 cpuset=
[  239.751556]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.755158] syz4
[  239.758617]  warn_alloc.cold.119+0xb7/0x1bd
[  239.763775]  mems_allowed=0
[  239.765745]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.777792]  ? lock_downgrade+0x900/0x900
[  239.781962]  ? trace_hardirqs_off+0xb8/0x310
[  239.786381]  ? trace_hardirqs_off+0xb8/0x310
[  239.790793]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.795652]  ? warn_alloc+0x120/0x120
[  239.799453]  ? warn_alloc+0x120/0x120
[  239.803251]  ? warn_alloc+0x120/0x120
[  239.807052]  ? warn_alloc+0x120/0x120
[  239.810850]  ? warn_alloc+0x120/0x120
[  239.814650]  ? mark_held_locks+0x130/0x130
[  239.818902]  ? mark_held_locks+0x130/0x130
[  239.823142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.828677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.834217]  ? should_fail+0x22d/0xd01
[  239.838106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.843215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.848748]  ? should_fail+0x22d/0xd01
[  239.852641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.857741]  ? should_fail+0x22d/0xd01
[  239.861637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.866762]  ? mark_held_locks+0x130/0x130
[  239.870996]  ? mark_held_locks+0x130/0x130
[  239.875229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.880769]  ? trace_hardirqs_off+0xb8/0x310
[  239.885177]  ? kasan_check_read+0x11/0x20
[  239.889324]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.893739]  ? trace_hardirqs_on+0x310/0x310
[  239.898143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.903678]  ? wq_watchdog_touch+0x9c/0xfe
[  239.907912]  ? io_serial_in+0x11/0x90
[  239.911713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.917261]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.922377]  __alloc_pages_nodemask+0xa80/0xde0
[  239.927047]  ? should_fail+0x22d/0xd01
[  239.930935]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.935964]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.940658]  ? lock_downgrade+0x900/0x900
[  239.944841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.950386]  cache_grow_begin+0x91/0x8c0
[  239.954448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.958856]  fallback_alloc+0x203/0x2e0
[  239.962845]  ____cache_alloc_node+0x1c7/0x1e0
[  239.967350]  kmem_cache_alloc_node+0xe3/0x730
[  239.971859]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.976114]  __alloc_skb+0x119/0x770
[  239.979828]  ? skb_scrub_packet+0x490/0x490
[  239.984148]  ? lock_downgrade+0x900/0x900
[  239.988299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.993857]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.999321]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.004776]  ? addrconf_rs_timer+0x690/0x690
[  240.009189]  ndisc_alloc_skb+0x144/0x340
[  240.013249]  ndisc_send_rs+0x331/0x6e0
[  240.017138]  addrconf_rs_timer+0x314/0x690
[  240.021379]  ? lock_release+0x970/0x970
[  240.025361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.029624]  call_timer_fn+0x272/0x920
[  240.033510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.037757]  ? process_timeout+0x40/0x40
[  240.041927]  ? kasan_check_read+0x11/0x20
[  240.046072]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.050480]  ? trace_hardirqs_on+0x310/0x310
[  240.054890]  ? __run_timers+0x7da/0xc70
[  240.058863]  ? lock_downgrade+0x900/0x900
[  240.063015]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.068114]  ? trace_hardirqs_on+0xbd/0x310
[  240.072447]  ? kasan_check_read+0x11/0x20
[  240.076591]  ? __run_timers+0x7da/0xc70
[  240.080569]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.086017]  ? kasan_check_write+0x14/0x20
[  240.090255]  ? do_raw_spin_lock+0xc1/0x200
[  240.094502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.098735]  __run_timers+0x7e5/0xc70
[  240.102556]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  240.107913]  ? compat_start_thread+0x80/0x80
[  240.112314]  ? dequeue_entity+0x1770/0x1770
[  240.116657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.122207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.127747]  ? _raw_spin_unlock_irq+0x60/0x80
[  240.132239]  ? finish_task_switch+0x1f5/0x900
[  240.136730]  ? finish_task_switch+0x1b5/0x900
[  240.141221]  ? __switch_to_asm+0x34/0x70
[  240.145280]  ? preempt_notifier_register+0x200/0x200
[  240.150383]  ? __switch_to_asm+0x34/0x70
[  240.154445]  ? __switch_to_asm+0x40/0x70
[  240.158499]  ? __switch_to_asm+0x34/0x70
[  240.162555]  ? __switch_to_asm+0x40/0x70
[  240.166617]  ? __switch_to_asm+0x34/0x70
[  240.170669]  ? __switch_to_asm+0x40/0x70
[  240.174726]  ? __switch_to_asm+0x40/0x70
[  240.178785]  ? pvclock_read_flags+0x160/0x160
[  240.183274]  ? __schedule+0x874/0x1ed0
[  240.187158]  ? run_rebalance_domains+0x38d/0x500
[  240.191916]  ? trace_hardirqs_on+0xbd/0x310
[  240.196251]  ? kvm_sched_clock_read+0x9/0x20
[  240.200657]  ? run_ksoftirqd+0x94/0x100
[  240.204640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.210178]  ? check_preemption_disabled+0x48/0x200
[  240.215194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.220750]  run_timer_softirq+0x52/0xb0
[  240.224819]  ? __this_cpu_preempt_check+0x1c/0x1f
[  240.229662]  __do_softirq+0x30b/0xad8
[  240.233468]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  240.238569]  ? trace_hardirqs_off+0xb8/0x310
[  240.242980]  ? schedule+0x108/0x460
[  240.246612]  ? __schedule+0x1ed0/0x1ed0
[  240.250586]  ? run_ksoftirqd+0x40/0x100
[  240.254567]  ? trace_hardirqs_off+0xb8/0x310
[  240.258976]  ? ___might_sleep+0x1ed/0x300
[  240.263120]  ? smpboot_thread_fn+0x68b/0xa00
[  240.267525]  ? trace_hardirqs_on+0x310/0x310
[  240.271938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.277476]  ? check_preemption_disabled+0x48/0x200
[  240.282504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.288045]  ? takeover_tasklets+0xa90/0xa90
[  240.292455]  run_ksoftirqd+0x94/0x100
[  240.296254]  smpboot_thread_fn+0x68b/0xa00
[  240.300488]  ? sort_range+0x30/0x30
[  240.304117]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.309218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.314753]  ? __kthread_parkme+0xfb/0x1a0
[  240.318986]  kthread+0x35a/0x420
[  240.322358]  ? sort_range+0x30/0x30
[  240.325994]  ? kthread_bind+0x40/0x40
[  240.329793]  ret_from_fork+0x3a/0x50
[  240.333518] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  240.333524] warn_alloc_show_mem: 1 callbacks suppressed
[  240.333531] Mem-Info:
[  240.340801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.346164] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  240.346164]  active_file:15 inactive_file:15 isolated_file:0
[  240.346164]  unevictable:0 dirty:0 writeback:0 unstable:0
[  240.346164]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  240.346164]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  240.346164]  free:13623 free_pcp:480 free_cma:0
[  240.348531] Call Trace:
[  240.357918] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  240.390936]  <IRQ>
[  240.393508] Node 0 
[  240.421268]  dump_stack+0x1c4/0x2b4
[  240.423411] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  240.425623]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.429225] lowmem_reserve[]:
[  240.454725]  warn_alloc.cold.119+0xb7/0x1bd
[  240.459887]  0
[  240.462984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.467276]  2819
[  240.469091]  ? lock_downgrade+0x900/0x900
[  240.473901]  6323
[  240.475958]  ? trace_hardirqs_off+0xb8/0x310
[  240.480081]  6323
[  240.482143]  ? trace_hardirqs_off+0xb8/0x310
[  240.488579]  __alloc_pages_slowpath+0x2667/0x2d80
[  240.492974] Node 0 DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  240.497838]  ? warn_alloc+0x120/0x120
[  240.497855]  ? trace_hardirqs_on+0x310/0x310
[  240.525330] lowmem_reserve[]: 0
[  240.529169]  ? warn_alloc+0x120/0x120
[  240.533544]  0
[  240.536816]  ? warn_alloc+0x120/0x120
[  240.540588]  3503
[  240.542381]  ? ktime_get+0x2e1/0x440
[  240.546151]  3503
[  240.548211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.551898] Node 0 
[  240.553958]  ? check_preemption_disabled+0x48/0x200
[  240.559494] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  240.561716]  ? kasan_check_read+0x11/0x20
[  240.566699] lowmem_reserve[]:
[  240.595272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.599388]  0
[  240.602488]  ? should_fail+0x22d/0xd01
[  240.607992]  0
[  240.609792]  ? rcu_bh_qs+0xc0/0xc0
[  240.613647]  0
[  240.615447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.618967]  0
[  240.620763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.627655]  ? should_fail+0x22d/0xd01
[  240.633162] Node 0 DMA: 
[  240.637039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.637054]  ? should_fail+0x22d/0xd01
[  240.639704] 1*4kB 
[  240.644813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.648670] (U) 
[  240.650816]  ? mark_held_locks+0x130/0x130
[  240.655893] 0*8kB 
[  240.657861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.662069] 0*16kB 
[  240.664212]  ? mark_held_locks+0x130/0x130
[  240.669728] 1*32kB 
[  240.671959]  ? rcu_irq_exit+0xce/0x100
[  240.676160] (U) 
[  240.678390]  ? irq_exit+0xbd/0x1c0
[  240.682246] 2*64kB 
[  240.684233]  ? mark_held_locks+0x130/0x130
[  240.687743] (U) 
[  240.689975]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.694184] 1*128kB 
[  240.696168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.702021] (U) 
[  240.704336]  ? ret_from_intr+0xb/0x1e
[  240.709848] 1*256kB 
[  240.711819]  ? retint_kernel+0x2d/0x2d
[  240.715593] (U) 
[  240.717948]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.721806] 0*512kB 
[  240.723777]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.728677] 1*1024kB 
[  240.730990]  ? trace_hardirqs_off+0x310/0x310
[  240.735718] (U) 
[  240.738120]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.742585] 1*2048kB 
[  240.744560]  __alloc_pages_nodemask+0xa80/0xde0
[  240.749643] (M) 
[  240.752065]  ? should_fail+0x22d/0xd01
[  240.756750] 3*4096kB 
[  240.758737]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.762596] (M) 
[  240.765023]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.770003] = 15908kB
[  240.771976]  ? lock_downgrade+0x900/0x900
[  240.776618] Node 0 
[  240.779025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.783144] DMA32: 
[  240.785398]  cache_grow_begin+0x91/0x8c0
[  240.790904] 3*4kB 
[  240.793143]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.797173] (UM) 
[  240.799317]  fallback_alloc+0x203/0x2e0
[  240.803695] 2*8kB 
[  240.805783]  ____cache_alloc_node+0x1c7/0x1e0
[  240.809744] (UM) 
[  240.811885]  kmem_cache_alloc_node+0xe3/0x730
[  240.816363] 2*16kB 
[  240.818422]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.822888] (M) 
[  240.825122]  __alloc_skb+0x119/0x770
[  240.829327] 2*32kB 
[  240.831315]  ? skb_scrub_packet+0x490/0x490
[  240.835448] (M) 
[  240.837694]  ? lock_downgrade+0x900/0x900
[  240.841989] 4*64kB 
[  240.843966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.848101] (M) 
[  240.850336]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.855856] 3*128kB 
[  240.857823]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.863243] (M) 
[  240.865561]  ? addrconf_rs_timer+0x690/0x690
[  240.870977] 4*256kB (UM) 
[  240.873005]  ndisc_alloc_skb+0x144/0x340
[  240.877391] 3*512kB 
[  240.880142]  ndisc_send_rs+0x331/0x6e0
[  240.884175] (M) 
[  240.886493]  addrconf_rs_timer+0x314/0x690
[  240.890360] 3*1024kB 
[  240.892330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.896550] (UM) 
[  240.898959]  call_timer_fn+0x272/0x920
[  240.903164] 3*2048kB 
[  240.905217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.909079] (M) 
[  240.911483]  ? process_timeout+0x40/0x40
[  240.915687] 3*4096kB 
[  240.917656]  ? trace_hardirqs_off+0xb8/0x310
[  240.921705] (M) 
[  240.924114]  ? kasan_check_read+0x11/0x20
[  240.928479] = 24828kB
[  240.928486] Node 0 
[  240.930454]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.934568] Normal: 
[  240.936970]  ? trace_hardirqs_on+0x310/0x310
[  240.939193] 1555*4kB 
[  240.943598]  ? __run_timers+0x7da/0xc70
[  240.945896] (UMEH) 
[  240.950302]  ? lock_downgrade+0x900/0x900
[  240.952683] 298*8kB 
[  240.956675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.958893] (ME) 
[  240.963034]  ? trace_hardirqs_on+0xbd/0x310
[  240.965329] 96*16kB 
[  240.970432]  ? kasan_check_read+0x11/0x20
[  240.972465] (ME) 
[  240.976809]  ? __run_timers+0x7da/0xc70
[  240.979104] 43*32kB 
[  240.983245]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.985277] (UME) 
[  240.989246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.991538] 31*64kB 
[  240.996979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.999102] (UM) 
[  241.004634]  __run_timers+0x7e5/0xc70
[  241.006929] 0*128kB 
[  241.011158]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.013188] 1*256kB 
[  241.016996]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.019291] (U) 
[  241.024649]  ? timerqueue_add+0x207/0x2b0
[  241.026977] 0*512kB 
[  241.032015]  ? enqueue_hrtimer+0x1a5/0x560
[  241.033966] 0*1024kB 
[  241.038112]  ? lock_release+0x970/0x970
[  241.040402] 0*2048kB 
[  241.044625]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  241.047025] 0*4096kB 
[  241.051169]  ? kasan_check_write+0x14/0x20
[  241.053547] = 13756kB
[  241.058730]  ? pvclock_read_flags+0x160/0x160
[  241.061116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.061129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.065361]  ? lock_downgrade+0x900/0x900
[  241.067745] 3632 total pagecache pages
[  241.072235]  ? trace_hardirqs_on+0xbd/0x310
[  241.081044] 0 pages in swap cache
[  241.089623]  ? kvm_sched_clock_read+0x9/0x20
[  241.093757] Swap cache stats: add 0, delete 0, find 0/0
[  241.097636]  ? irq_exit+0x17f/0x1c0
[  241.101940] Free swap  = 0kB
[  241.105389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.109768] Total swap = 0kB
[  241.115124]  ? check_preemption_disabled+0x48/0x200
[  241.118734] 1965979 pages RAM
[  241.121742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.127246] 0 pages HighMem/MovableOnly
[  241.130275]  run_timer_softirq+0x52/0xb0
[  241.135292] 342307 pages reserved
[  241.138393]  ? __this_cpu_preempt_check+0x1c/0x1f
[  241.143909] 0 pages cma reserved
[  241.147884]  __do_softirq+0x30b/0xad8
[  241.151992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.155363]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.160302] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.163587]  ? pvclock_read_flags+0x160/0x160
[  241.167364] ksoftirqd/0 cpuset=
[  241.173848]  ? lapic_next_event+0x5a/0x90
[  241.178921] /
[  241.189232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.193698]  mems_allowed=0
[  241.196966]  ? clockevents_program_event+0x140/0x370
[  241.216355]  ? kvm_clock_read+0x18/0x30
[  241.220328]  ? kvm_sched_clock_read+0x9/0x20
[  241.224746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.230285]  ? check_preemption_disabled+0x48/0x200
[  241.235666]  irq_exit+0x17f/0x1c0
[  241.239126]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.243988]  ? smp_reschedule_interrupt+0x109/0x650
[  241.249001]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.254887]  ? interrupt_entry+0xb5/0xf0
[  241.258951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.263963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.268982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.273822]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.278833]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.283853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.289402]  ? check_preemption_disabled+0x48/0x200
[  241.294415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.299956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.304805]  apic_timer_interrupt+0xf/0x20
[  241.309030]  </IRQ>
[  241.311271] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  241.316201] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  241.335157] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  241.342878] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  241.350142] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  241.357408] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  241.364672] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  241.371936] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  241.379230]  ? trace_hardirqs_on+0xb4/0x310
[  241.383563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.389113]  skb_clone+0x1bb/0x500
[  241.392671]  ? finish_task_switch+0x2f5/0x900
[  241.397182]  ? skb_split+0x11e0/0x11e0
[  241.401073]  ? preempt_notifier_register+0x200/0x200
[  241.406197]  ? __switch_to_asm+0x34/0x70
[  241.410267]  ? __switch_to_asm+0x34/0x70
[  241.414324]  ? __switch_to_asm+0x40/0x70
[  241.418575]  ? __switch_to_asm+0x34/0x70
[  241.422634]  ? __switch_to_asm+0x40/0x70
[  241.426694]  ? __switch_to_asm+0x34/0x70
[  241.430751]  ? __switch_to_asm+0x40/0x70
[  241.434815]  ? __switch_to_asm+0x34/0x70
[  241.439050]  ? __switch_to_asm+0x34/0x70
[  241.443113]  ? __switch_to_asm+0x40/0x70
[  241.447167]  ? __switch_to_asm+0x34/0x70
[  241.451245]  bpf_clone_redirect+0xb9/0x490
[  241.455478]  ? __schedule+0x874/0x1ed0
[  241.459376]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  241.464389]  ? __sched_text_start+0x8/0x8
[  241.468536]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.473299]  ? retint_kernel+0x2d/0x2d
[  241.477197]  ? lock_acquire+0x1ed/0x520
[  241.481167]  ? bpf_test_run+0x3cb/0x780
[  241.485144]  ? lock_release+0x970/0x970
[  241.489121]  ? preempt_schedule+0x4d/0x60
[  241.493267]  ? preempt_schedule_common+0x1f/0xd0
[  241.498020]  ? preempt_schedule+0x4d/0x60
[  241.502197]  ? ___preempt_schedule+0x16/0x18
[  241.506618]  ? bpf_test_run+0x25d/0x780
[  241.510599]  ? netlink_diag_dump+0x2a0/0x2a0
[  241.515007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.520540]  ? bpf_test_init.isra.9+0x70/0x100
[  241.525129]  ? bpf_prog_test_run_skb+0x634/0xb40
[  241.529887]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  241.534729]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  241.540264]  ? fput+0x130/0x1a0
[  241.543542]  ? __bpf_prog_get+0x9b/0x290
[  241.547600]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  241.552472]  ? bpf_prog_test_run+0x130/0x1a0
[  241.556893]  ? __x64_sys_bpf+0x3d8/0x510
[  241.560953]  ? bpf_prog_get+0x20/0x20
[  241.564796]  ? do_syscall_64+0x1b9/0x820
[  241.569360]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  241.574740]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.579687]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.584705]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  241.589720]  ? recalc_sigpending_tsk+0x180/0x180
[  241.594479]  ? kasan_check_write+0x14/0x20
[  241.598718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.603570]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  241.608950] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  241.609047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.615809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.615813] Call Trace:
[  241.615835]  dump_stack+0x1c4/0x2b4
[  241.615852]  ? dump_stack_print_info.cold.2+0x52/0x52
[  241.622398] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.631708]  warn_alloc.cold.119+0xb7/0x1bd
[  241.634525] syz-executor4 cpuset=
[  241.638143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.643307] syz4
[  241.653805]  ? lock_downgrade+0x900/0x900
[  241.658102]  mems_allowed=0
[  241.661545]  ? trace_hardirqs_off+0xb8/0x310
[  241.679800]  ? trace_hardirqs_off+0xb8/0x310
[  241.684212]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.689085]  ? warn_alloc+0x120/0x120
[  241.692883]  ? warn_alloc+0x120/0x120
[  241.696695]  ? warn_alloc+0x120/0x120
[  241.700490]  ? warn_alloc+0x120/0x120
[  241.704294]  ? warn_alloc+0x120/0x120
[  241.708096]  ? mark_held_locks+0x130/0x130
[  241.712328]  ? mark_held_locks+0x130/0x130
[  241.716572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.722111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.727662]  ? should_fail+0x22d/0xd01
[  241.731550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.736656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.742194]  ? should_fail+0x22d/0xd01
[  241.746085]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.751187]  ? should_fail+0x22d/0xd01
[  241.755076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.760182]  ? mark_held_locks+0x130/0x130
[  241.764418]  ? mark_held_locks+0x130/0x130
[  241.768654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.774202]  ? trace_hardirqs_off+0xb8/0x310
[  241.778632]  ? kasan_check_read+0x11/0x20
[  241.782806]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.787228]  ? trace_hardirqs_on+0x310/0x310
[  241.791639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.797179]  ? wq_watchdog_touch+0x9c/0xfe
[  241.801414]  ? io_serial_in+0x11/0x90
[  241.805218]  ? retint_kernel+0x2d/0x2d
[  241.809108]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.814042]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.818795]  ? trace_hardirqs_off+0x310/0x310
[  241.823288]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.828405]  __alloc_pages_nodemask+0xa80/0xde0
[  241.833077]  ? should_fail+0x22d/0xd01
[  241.836969]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.842001]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.846688]  ? lock_downgrade+0x900/0x900
[  241.850858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.856403]  cache_grow_begin+0x91/0x8c0
[  241.860486]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.864914]  fallback_alloc+0x203/0x2e0
[  241.868928]  ____cache_alloc_node+0x1c7/0x1e0
[  241.873425]  kmem_cache_alloc_node+0xe3/0x730
[  241.877920]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.882159]  __alloc_skb+0x119/0x770
[  241.885872]  ? skb_scrub_packet+0x490/0x490
[  241.890198]  ? lock_downgrade+0x900/0x900
[  241.894358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.899894]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.905352]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.910801]  ? addrconf_rs_timer+0x690/0x690
[  241.915217]  ndisc_alloc_skb+0x144/0x340
[  241.919279]  ndisc_send_rs+0x331/0x6e0
[  241.923167]  addrconf_rs_timer+0x314/0x690
[  241.927409]  ? lock_release+0x970/0x970
[  241.931383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.935631]  call_timer_fn+0x272/0x920
[  241.939516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.943756]  ? process_timeout+0x40/0x40
[  241.947818]  ? kasan_check_read+0x11/0x20
[  241.951967]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.956381]  ? trace_hardirqs_on+0x310/0x310
[  241.960799]  ? __run_timers+0x7da/0xc70
[  241.964777]  ? lock_downgrade+0x900/0x900
[  241.968930]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.974035]  ? trace_hardirqs_on+0xbd/0x310
[  241.978367]  ? kasan_check_read+0x11/0x20
[  241.982518]  ? __run_timers+0x7da/0xc70
[  241.986496]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.991948]  ? kasan_check_write+0x14/0x20
[  241.996183]  ? do_raw_spin_lock+0xc1/0x200
[  242.000422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.004660]  __run_timers+0x7e5/0xc70
[  242.008470]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.013834]  ? compat_start_thread+0x80/0x80
[  242.018242]  ? dequeue_entity+0x1770/0x1770
[  242.022564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.028098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.033646]  ? _raw_spin_unlock_irq+0x60/0x80
[  242.038145]  ? finish_task_switch+0x1f5/0x900
[  242.042640]  ? finish_task_switch+0x1b5/0x900
[  242.047133]  ? __switch_to_asm+0x34/0x70
[  242.051209]  ? preempt_notifier_register+0x200/0x200
[  242.056352]  ? __switch_to_asm+0x34/0x70
[  242.060413]  ? __switch_to_asm+0x40/0x70
[  242.064487]  ? __switch_to_asm+0x34/0x70
[  242.068549]  ? __switch_to_asm+0x40/0x70
[  242.072609]  ? __switch_to_asm+0x34/0x70
[  242.076694]  ? __switch_to_asm+0x40/0x70
[  242.080755]  ? __switch_to_asm+0x40/0x70
[  242.084835]  ? pvclock_read_flags+0x160/0x160
[  242.089354]  ? __schedule+0x874/0x1ed0
[  242.093256]  ? run_rebalance_domains+0x38d/0x500
[  242.098014]  ? trace_hardirqs_on+0xbd/0x310
[  242.102337]  ? kvm_sched_clock_read+0x9/0x20
[  242.106751]  ? run_ksoftirqd+0x94/0x100
[  242.110753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.116291]  ? check_preemption_disabled+0x48/0x200
[  242.121308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.126850]  run_timer_softirq+0x52/0xb0
[  242.130911]  ? __this_cpu_preempt_check+0x1c/0x1f
[  242.135752]  __do_softirq+0x30b/0xad8
[  242.139571]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  242.144680]  ? trace_hardirqs_off+0xb8/0x310
[  242.149089]  ? schedule+0x108/0x460
[  242.152712]  ? __schedule+0x1ed0/0x1ed0
[  242.156685]  ? run_ksoftirqd+0x40/0x100
[  242.160663]  ? trace_hardirqs_off+0xb8/0x310
[  242.165075]  ? ___might_sleep+0x1ed/0x300
[  242.169223]  ? smpboot_thread_fn+0x68b/0xa00
[  242.173633]  ? trace_hardirqs_on+0x310/0x310
[  242.178042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.183579]  ? check_preemption_disabled+0x48/0x200
[  242.188598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.194143]  ? takeover_tasklets+0xa90/0xa90
[  242.198554]  run_ksoftirqd+0x94/0x100
[  242.202376]  smpboot_thread_fn+0x68b/0xa00
[  242.206616]  ? sort_range+0x30/0x30
[  242.210249]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.215362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.220903]  ? __kthread_parkme+0xfb/0x1a0
[  242.225138]  kthread+0x35a/0x420
[  242.228518]  ? sort_range+0x30/0x30
[  242.232142]  ? kthread_bind+0x40/0x40
[  242.235961]  ret_from_fork+0x3a/0x50
[  242.239679] warn_alloc_show_mem: 1 callbacks suppressed
[  242.239691] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  242.239693] Mem-Info:
[  242.239725] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  242.239725]  active_file:15 inactive_file:15 isolated_file:0
[  242.239725]  unevictable:0 dirty:0 writeback:0 unstable:0
[  242.239725]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  242.239725]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  242.239725]  free:13623 free_pcp:480 free_cma:0
[  242.245062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.252362] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  242.254757] Call Trace:
[  242.287811] Node 0 
[  242.297168]  <IRQ>
[  242.324981] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  242.327544]  dump_stack+0x1c4/0x2b4
[  242.329744] lowmem_reserve[]:
[  242.331889]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.357382]  0
[  242.361020]  warn_alloc.cold.119+0xb7/0x1bd
[  242.364090]  2819
[  242.369273]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.371072]  6323
[  242.375426]  ? lock_downgrade+0x900/0x900
[  242.377463]  6323
[  242.382318]  ? trace_hardirqs_off+0xb8/0x310
[  242.388502]  ? trace_hardirqs_off+0xb8/0x310
[  242.390540] Node 0 
[  242.394958]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.399396] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  242.401612]  ? warn_alloc+0x120/0x120
[  242.406421] lowmem_reserve[]:
[  242.433337]  ? warn_alloc+0x120/0x120
[  242.437116]  0
[  242.440213]  ? warn_alloc+0x120/0x120
[  242.443985]  0
[  242.445785]  ? mark_held_locks+0x130/0x130
[  242.449570]  3503
[  242.451389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.455610]  3503
[  242.457664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.465224]  ? should_fail+0x22d/0xd01
[  242.470734] Node 0 
[  242.474634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.474671] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  242.474678] lowmem_reserve[]:
[  242.476911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.481990]  0
[  242.510546]  ? should_fail+0x22d/0xd01
[  242.513627]  0
[  242.519151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.520934]  0
[  242.524819]  ? should_fail+0x22d/0xd01
[  242.526596]  0
[  242.531690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.537366]  ? mark_held_locks+0x130/0x130
[  242.539138] Node 0 
[  242.544231]  ? mark_held_locks+0x130/0x130
[  242.548451] DMA: 
[  242.550695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.554917] 1*4kB 
[  242.557004]  ? trace_hardirqs_off+0xb8/0x310
[  242.562516] (U) 
[  242.564662]  ? kasan_check_read+0x11/0x20
[  242.569038] 0*8kB 
[  242.571009]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.575128] 0*16kB 
[  242.577272]  ? trace_hardirqs_on+0x310/0x310
[  242.581650] 1*32kB 
[  242.583898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.588291] (U) 
[  242.590545]  ? wq_watchdog_touch+0x9c/0xfe
[  242.596058] 2*64kB 
[  242.598025]  ? io_serial_in+0x11/0x90
[  242.602228] (U) 
[  242.604458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.608228] 1*128kB 
[  242.610202]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.615706] (U) 
[  242.618035]  __alloc_pages_nodemask+0xa80/0xde0
[  242.623104] 1*256kB 
[  242.625095]  ? should_fail+0x22d/0xd01
[  242.629733] (U) 
[  242.632051]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  242.635924] 0*512kB 
[  242.637904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.642882] 1*1024kB 
[  242.645202]  ? lock_downgrade+0x900/0x900
[  242.649842] (U) 
[  242.652252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.656376] 1*2048kB 
[  242.658368]  cache_grow_begin+0x91/0x8c0
[  242.663877] (M) 
[  242.666281]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.670327] 3*4096kB 
[  242.672306]  fallback_alloc+0x203/0x2e0
[  242.676692] (M) 
[  242.679119]  ____cache_alloc_node+0x1c7/0x1e0
[  242.683061] = 15908kB
[  242.685047]  kmem_cache_alloc_node+0xe3/0x730
[  242.689517] Node 0 
[  242.691925]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.696390] DMA32: 
[  242.698639]  __alloc_skb+0x119/0x770
[  242.702893] 3*4kB 
[  242.705126]  ? skb_scrub_packet+0x490/0x490
[  242.708812] (UM) 
[  242.710976]  ? lock_downgrade+0x900/0x900
[  242.715271] 2*8kB 
[  242.717332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.721459] (UM) 
[  242.723603]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.729117] 2*16kB 
[  242.731171]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.736592] (M) 
[  242.738821]  ? addrconf_rs_timer+0x690/0x690
[  242.744260] 2*32kB 
[  242.746233]  ndisc_alloc_skb+0x144/0x340
[  242.750610] (M) 
[  242.752838]  ndisc_send_rs+0x331/0x6e0
[  242.756874] 4*64kB 
[  242.758843]  addrconf_rs_timer+0x314/0x690
[  242.762708] (M) 
[  242.764935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.769143] 3*128kB 
[  242.771125]  call_timer_fn+0x272/0x920
[  242.775320] (M) 
[  242.777641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.781506] 4*256kB 
[  242.783473]  ? process_timeout+0x40/0x40
[  242.787683] (UM) 
[  242.790029]  ? trace_hardirqs_off+0xb8/0x310
[  242.794064] 3*512kB 
[  242.796122]  ? kasan_check_read+0x11/0x20
[  242.800502] (M) 
[  242.802819]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.806939] 3*1024kB 
[  242.808909]  ? trace_hardirqs_on+0x310/0x310
[  242.813357] (UM) 
[  242.815763]  ? __run_timers+0x7da/0xc70
[  242.820141] 3*2048kB 
[  242.822196]  ? lock_downgrade+0x900/0x900
[  242.826140] (M) 
[  242.828544]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.832664] 3*4096kB 
[  242.834651]  ? trace_hardirqs_on+0xbd/0x310
[  242.839730] (M) 
[  242.842135]  ? kasan_check_read+0x11/0x20
[  242.846426] = 24828kB
[  242.848414]  ? __run_timers+0x7da/0xc70
[  242.852531] Node 0 
[  242.854948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.858894] Normal: 
[  242.861127]  ? kasan_check_write+0x14/0x20
[  242.866546] 1555*4kB 
[  242.868867]  ? do_raw_spin_lock+0xc1/0x200
[  242.873074] (UMEH) 
[  242.875478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.879683] 298*8kB 
[  242.881920]  __run_timers+0x7e5/0xc70
[  242.886124] (ME) 
[  242.888450]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.892221] 96*16kB 
[  242.894280]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.899621] (ME) 
[  242.901939]  ? timerqueue_add+0x207/0x2b0
[  242.906927] 43*32kB 
[  242.908999]  ? enqueue_hrtimer+0x1a5/0x560
[  242.913134] (UME) 
[  242.915450]  ? lock_release+0x970/0x970
[  242.919658] 31*64kB 
[  242.921803]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.925750] (UM) 
[  242.928069]  ? kasan_check_write+0x14/0x20
[  242.933248] 0*128kB 
[  242.935308]  ? pvclock_read_flags+0x160/0x160
[  242.939513] 1*256kB 
[  242.941833]  ? lock_downgrade+0x900/0x900
[  242.946300] (U) 
[  242.948624]  ? trace_hardirqs_on+0xbd/0x310
[  242.952743] 0*512kB 
[  242.954727]  ? kvm_sched_clock_read+0x9/0x20
[  242.959017] 0*1024kB 
[  242.961333]  ? irq_exit+0x17f/0x1c0
[  242.965722] 0*2048kB 
[  242.968130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.971727] 0*4096kB 
[  242.974176]  ? check_preemption_disabled+0x48/0x200
[  242.979685] = 13756kB
[  242.982093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.987090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  242.989501]  run_timer_softirq+0x52/0xb0
[  242.995030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.003854]  ? __this_cpu_preempt_check+0x1c/0x1f
[  243.007904] 3632 total pagecache pages
[  243.016473]  __do_softirq+0x30b/0xad8
[  243.021287] 0 pages in swap cache
[  243.025167]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.028942] Swap cache stats: add 0, delete 0, find 0/0
[  243.032388]  ? pvclock_read_flags+0x160/0x160
[  243.037463] Free swap  = 0kB
[  243.042817]  ? lapic_next_event+0x5a/0x90
[  243.047289] Total swap = 0kB
[  243.050319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.054455] 1965979 pages RAM
[  243.057480]  ? clockevents_program_event+0x140/0x370
[  243.062989] 0 pages HighMem/MovableOnly
[  243.066100]  ? kvm_clock_read+0x18/0x30
[  243.071177] 342307 pages reserved
[  243.075147]  ? kvm_sched_clock_read+0x9/0x20
[  243.079091] 0 pages cma reserved
[  243.082543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.087024] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.090329]  ? check_preemption_disabled+0x48/0x200
[  243.095908] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.102325]  irq_exit+0x17f/0x1c0
[  243.107316] ksoftirqd/0 cpuset=
[  243.117625]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.121048] /
[  243.124339]  ? smp_reschedule_interrupt+0x109/0x650
[  243.129164]  mems_allowed=0
[  243.130873]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.144657]  ? interrupt_entry+0xb5/0xf0
[  243.148720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.153763]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.158781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.163632]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.168648]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.173662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.179205]  ? check_preemption_disabled+0x48/0x200
[  243.184220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.189760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.194607]  apic_timer_interrupt+0xf/0x20
[  243.198838]  </IRQ>
[  243.201083] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  243.206021] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  243.224924] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  243.232632] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  243.239899] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  243.247165] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  243.254428] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  243.261697] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  243.269001]  ? trace_hardirqs_on+0xb4/0x310
[  243.273328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.278876]  skb_clone+0x1bb/0x500
[  243.282432]  ? finish_task_switch+0x2f5/0x900
[  243.286923]  ? skb_split+0x11e0/0x11e0
[  243.290809]  ? preempt_notifier_register+0x200/0x200
[  243.295935]  ? __switch_to_asm+0x34/0x70
[  243.299993]  ? __switch_to_asm+0x34/0x70
[  243.304050]  ? __switch_to_asm+0x40/0x70
[  243.308115]  ? __switch_to_asm+0x34/0x70
[  243.312177]  ? __switch_to_asm+0x40/0x70
[  243.316234]  ? __switch_to_asm+0x34/0x70
[  243.320305]  ? __switch_to_asm+0x40/0x70
[  243.324370]  ? __switch_to_asm+0x34/0x70
[  243.328427]  ? __switch_to_asm+0x34/0x70
[  243.332487]  ? __switch_to_asm+0x40/0x70
[  243.336547]  ? __switch_to_asm+0x34/0x70
[  243.340613]  bpf_clone_redirect+0xb9/0x490
[  243.344948]  ? __schedule+0x874/0x1ed0
[  243.348854]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  243.353873]  ? __sched_text_start+0x8/0x8
[  243.358019]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.362789]  ? retint_kernel+0x2d/0x2d
[  243.366708]  ? lock_acquire+0x1ed/0x520
[  243.370681]  ? bpf_test_run+0x3cb/0x780
[  243.374655]  ? lock_release+0x970/0x970
[  243.378642]  ? preempt_schedule+0x4d/0x60
[  243.382789]  ? preempt_schedule_common+0x1f/0xd0
[  243.387545]  ? preempt_schedule+0x4d/0x60
[  243.391720]  ? ___preempt_schedule+0x16/0x18
[  243.396136]  ? bpf_test_run+0x25d/0x780
[  243.400117]  ? netlink_diag_dump+0x2a0/0x2a0
[  243.404530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.410068]  ? bpf_test_init.isra.9+0x70/0x100
[  243.414647]  ? bpf_prog_test_run_skb+0x634/0xb40
[  243.419405]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  243.424245]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  243.429783]  ? fput+0x130/0x1a0
[  243.433062]  ? __bpf_prog_get+0x9b/0x290
[  243.437363]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  243.442222]  ? bpf_prog_test_run+0x130/0x1a0
[  243.446633]  ? __x64_sys_bpf+0x3d8/0x510
[  243.450692]  ? bpf_prog_get+0x20/0x20
[  243.454504]  ? do_syscall_64+0x1b9/0x820
[  243.458571]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  243.463933]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.468869]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.473889]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  243.478904]  ? recalc_sigpending_tsk+0x180/0x180
[  243.483663]  ? kasan_check_write+0x14/0x20
[  243.487904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.492755]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  243.498136] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  243.498200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.504979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.504988] Call Trace:
[  243.511545] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.520839]  dump_stack+0x1c4/0x2b4
[  243.523395] syz-executor4 cpuset=
[  243.533872]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.537504] syz4
[  243.540965]  warn_alloc.cold.119+0xb7/0x1bd
[  243.546392]  mems_allowed=0
[  243.548369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.560458]  ? lock_downgrade+0x900/0x900
[  243.564621]  ? trace_hardirqs_off+0xb8/0x310
[  243.569151]  ? trace_hardirqs_off+0xb8/0x310
[  243.573571]  __alloc_pages_slowpath+0x2667/0x2d80
[  243.578434]  ? warn_alloc+0x120/0x120
[  243.582250]  ? warn_alloc+0x120/0x120
[  243.586046]  ? warn_alloc+0x120/0x120
[  243.589859]  ? warn_alloc+0x120/0x120
[  243.593672]  ? warn_alloc+0x120/0x120
[  243.597487]  ? mark_held_locks+0x130/0x130
[  243.601722]  ? mark_held_locks+0x130/0x130
[  243.605958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.611508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.617048]  ? should_fail+0x22d/0xd01
[  243.620942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.626044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.631580]  ? should_fail+0x22d/0xd01
[  243.635478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.640579]  ? should_fail+0x22d/0xd01
[  243.644476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.649583]  ? mark_held_locks+0x130/0x130
[  243.653824]  ? mark_held_locks+0x130/0x130
[  243.659628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.665168]  ? trace_hardirqs_off+0xb8/0x310
[  243.669611]  ? kasan_check_read+0x11/0x20
[  243.673761]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.678170]  ? trace_hardirqs_on+0x310/0x310
[  243.682580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.688120]  ? wq_watchdog_touch+0x9c/0xfe
[  243.692368]  ? io_serial_in+0x11/0x90
[  243.696174]  ? retint_kernel+0x2d/0x2d
[  243.700075]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.705006]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.709761]  ? trace_hardirqs_off+0x310/0x310
[  243.714261]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.719377]  __alloc_pages_nodemask+0xa80/0xde0
[  243.724053]  ? should_fail+0x22d/0xd01
[  243.727948]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.732978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.737648]  ? lock_downgrade+0x900/0x900
[  243.741803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.747342]  cache_grow_begin+0x91/0x8c0
[  243.751412]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.755823]  fallback_alloc+0x203/0x2e0
[  243.759798]  ____cache_alloc_node+0x1c7/0x1e0
[  243.764299]  kmem_cache_alloc_node+0xe3/0x730
[  243.768792]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.773033]  __alloc_skb+0x119/0x770
[  243.776761]  ? skb_scrub_packet+0x490/0x490
[  243.781096]  ? lock_downgrade+0x900/0x900
[  243.785248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.790789]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.796243]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.801693]  ? addrconf_rs_timer+0x690/0x690
[  243.806135]  ndisc_alloc_skb+0x144/0x340
[  243.810198]  ndisc_send_rs+0x331/0x6e0
[  243.814097]  addrconf_rs_timer+0x314/0x690
[  243.818421]  ? lock_release+0x970/0x970
[  243.822395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.826643]  call_timer_fn+0x272/0x920
[  243.830529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.834764]  ? process_timeout+0x40/0x40
[  243.838837]  ? kasan_check_read+0x11/0x20
[  243.842986]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.847486]  ? trace_hardirqs_on+0x310/0x310
[  243.851898]  ? __run_timers+0x7da/0xc70
[  243.855870]  ? lock_downgrade+0x900/0x900
[  243.860021]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.865125]  ? trace_hardirqs_on+0xbd/0x310
[  243.869445]  ? kasan_check_read+0x11/0x20
[  243.873611]  ? __run_timers+0x7da/0xc70
[  243.877598]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.883066]  ? kasan_check_write+0x14/0x20
[  243.887317]  ? do_raw_spin_lock+0xc1/0x200
[  243.891562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.895801]  __run_timers+0x7e5/0xc70
[  243.899617]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.904980]  ? compat_start_thread+0x80/0x80
[  243.909392]  ? dequeue_entity+0x1770/0x1770
[  243.913714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.919254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.924797]  ? _raw_spin_unlock_irq+0x60/0x80
[  243.929293]  ? finish_task_switch+0x1f5/0x900
[  243.933784]  ? finish_task_switch+0x1b5/0x900
[  243.938282]  ? __switch_to_asm+0x34/0x70
[  243.942390]  ? preempt_notifier_register+0x200/0x200
[  243.947494]  ? __switch_to_asm+0x34/0x70
[  243.951552]  ? __switch_to_asm+0x40/0x70
[  243.955618]  ? __switch_to_asm+0x34/0x70
[  243.959677]  ? __switch_to_asm+0x40/0x70
[  243.963734]  ? __switch_to_asm+0x34/0x70
[  243.967791]  ? __switch_to_asm+0x40/0x70
[  243.971852]  ? __switch_to_asm+0x40/0x70
[  243.975916]  ? pvclock_read_flags+0x160/0x160
[  243.980410]  ? __schedule+0x874/0x1ed0
[  243.984297]  ? run_rebalance_domains+0x38d/0x500
[  243.989060]  ? trace_hardirqs_on+0xbd/0x310
[  243.993382]  ? kvm_sched_clock_read+0x9/0x20
[  243.997790]  ? run_ksoftirqd+0x94/0x100
[  244.001771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.007315]  ? check_preemption_disabled+0x48/0x200
[  244.012335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.017891]  run_timer_softirq+0x52/0xb0
[  244.021953]  ? __this_cpu_preempt_check+0x1c/0x1f
[  244.026795]  __do_softirq+0x30b/0xad8
[  244.030600]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.035724]  ? trace_hardirqs_off+0xb8/0x310
[  244.040133]  ? schedule+0x108/0x460
[  244.043759]  ? __schedule+0x1ed0/0x1ed0
[  244.047738]  ? run_ksoftirqd+0x40/0x100
[  244.051731]  ? trace_hardirqs_off+0xb8/0x310
[  244.056148]  ? ___might_sleep+0x1ed/0x300
[  244.060308]  ? smpboot_thread_fn+0x68b/0xa00
[  244.064728]  ? trace_hardirqs_on+0x310/0x310
[  244.069153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.074695]  ? check_preemption_disabled+0x48/0x200
[  244.079710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.085247]  ? takeover_tasklets+0xa90/0xa90
[  244.089660]  run_ksoftirqd+0x94/0x100
[  244.093506]  smpboot_thread_fn+0x68b/0xa00
[  244.097754]  ? sort_range+0x30/0x30
[  244.101385]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.106487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.112026]  ? __kthread_parkme+0xfb/0x1a0
[  244.116276]  kthread+0x35a/0x420
[  244.119641]  ? sort_range+0x30/0x30
[  244.123264]  ? kthread_bind+0x40/0x40
[  244.127069]  ret_from_fork+0x3a/0x50
[  244.130809] warn_alloc_show_mem: 1 callbacks suppressed
[  244.130822] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  244.130824] Mem-Info:
[  244.130855] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  244.130855]  active_file:15 inactive_file:15 isolated_file:0
[  244.130855]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.130855]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  244.130855]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  244.130855]  free:13623 free_pcp:480 free_cma:0
[  244.136197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.143514] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.145913] Call Trace:
[  244.178963] Node 0 
[  244.188313]  <IRQ>
[  244.216092] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  244.218658]  dump_stack+0x1c4/0x2b4
[  244.220856] lowmem_reserve[]:
[  244.223021]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.248513]  0
[  244.252159]  warn_alloc.cold.119+0xb7/0x1bd
[  244.255219]  2819
[  244.260401]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.262176]  6323
[  244.266489]  ? lock_downgrade+0x900/0x900
[  244.268527]  6323
[  244.273374]  ? trace_hardirqs_off+0xb8/0x310
[  244.279545]  ? trace_hardirqs_off+0xb8/0x310
[  244.281588] Node 0 
[  244.285996]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.290401] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  244.292625]  ? warn_alloc+0x120/0x120
[  244.297436] lowmem_reserve[]:
[  244.324371]  ? trace_hardirqs_on+0x310/0x310
[  244.328142]  0
[  244.331243]  ? warn_alloc+0x120/0x120
[  244.335623]  0
[  244.337417]  ? warn_alloc+0x120/0x120
[  244.341191]  3503
[  244.342988]  ? ktime_get+0x2e1/0x440
[  244.346762]  3503
[  244.348824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.354571]  ? check_preemption_disabled+0x48/0x200
[  244.360078] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  244.365132]  ? kasan_check_read+0x11/0x20
[  244.394279] lowmem_reserve[]: 0
[  244.398442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.398459]  ? should_fail+0x22d/0xd01
[  244.401718]  0
[  244.407254]  ? rcu_bh_qs+0xc0/0xc0
[  244.411109]  0 0
[  244.412914]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.418403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.423482] Node 0 DMA: 
[  244.429009]  ? should_fail+0x22d/0xd01
[  244.429026]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.431673] 1*4kB 
[  244.435557]  ? should_fail+0x22d/0xd01
[  244.440636] (U) 
[  244.442785]  ? rcu_idle_enter+0x4b0/0x4b0
[  244.446644] 0*8kB 
[  244.448615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.452739] 0*16kB 
[  244.454883]  ? mark_held_locks+0x130/0x130
[  244.459956] 1*32kB 
[  244.462192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.466398] (U) 
[  244.468632]  ? mark_held_locks+0x130/0x130
[  244.474143] 2*64kB 
[  244.476123]  ? rcu_irq_exit+0xce/0x100
[  244.480323] (U) 
[  244.482561]  ? irq_exit+0xbd/0x1c0
[  244.486423] 1*128kB 
[  244.488393]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  244.491905] (U) 
[  244.494222]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.499210] 1*256kB 
[  244.501180]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.505564] (U) 
[  244.507886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.513746] 0*512kB 
[  244.515732]  ? ret_from_intr+0xb/0x1e
[  244.521240] 1*1024kB 
[  244.523562]  ? retint_kernel+0x2d/0x2d
[  244.527333] (U) 
[  244.529744]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.533603] 1*2048kB 
[  244.535571]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.540472] (M) 
[  244.542875]  ? trace_hardirqs_off+0x310/0x310
[  244.547603] 3*4096kB 
[  244.549591]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.554053] (M) 
[  244.556465]  __alloc_pages_nodemask+0xa80/0xde0
[  244.561538] = 15908kB
[  244.563531]  ? should_fail+0x22d/0xd01
[  244.568172] Node 0 
[  244.570574]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.574435] DMA32: 
[  244.576679]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.581658] 3*4kB 
[  244.583886]  ? lock_downgrade+0x900/0x900
[  244.588525] (UM) 
[  244.590688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.594807] 2*8kB 
[  244.596911]  cache_grow_begin+0x91/0x8c0
[  244.602422] (UM) 
[  244.604570]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.608627] 2*16kB 
[  244.610717]  fallback_alloc+0x203/0x2e0
[  244.615100] (M) 
[  244.617332]  ____cache_alloc_node+0x1c7/0x1e0
[  244.621281] 2*32kB (M) 
[  244.623257]  kmem_cache_alloc_node+0xe3/0x730
[  244.627728] 4*64kB 
[  244.630317]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.634804] (M) 
[  244.637052]  __alloc_skb+0x119/0x770
[  244.641257] 3*128kB 
[  244.643240]  ? skb_scrub_packet+0x490/0x490
[  244.646926] (M) 
[  244.649243]  ? lock_downgrade+0x900/0x900
[  244.653539] 4*256kB 
[  244.655515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.659631] (UM) 
[  244.661966]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.667474] 3*512kB 
[  244.669549]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.674984] (M) 
[  244.677332]  ? addrconf_rs_timer+0x690/0x690
[  244.682770] 3*1024kB (UM) 
[  244.684752]  ndisc_alloc_skb+0x144/0x340
[  244.689130] 3*2048kB 
[  244.691965]  ndisc_send_rs+0x331/0x6e0
[  244.695999] (M) 
[  244.698418]  addrconf_rs_timer+0x314/0x690
[  244.702283] 3*4096kB 
[  244.704250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.708479] (M) 
[  244.710892]  call_timer_fn+0x272/0x920
[  244.715117] = 24828kB
[  244.717086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.720944] Node 0 
[  244.723357]  ? process_timeout+0x40/0x40
[  244.727563] Normal: 
[  244.729794]  ? trace_hardirqs_off+0xb8/0x310
[  244.733835] 1555*4kB 
[  244.736153]  ? kasan_check_read+0x11/0x20
[  244.740533] (UMEH) 
[  244.742938]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.747058] 298*8kB 
[  244.749293]  ? trace_hardirqs_on+0x310/0x310
[  244.753676] (ME) 
[  244.756010]  ? __run_timers+0x7da/0xc70
[  244.760392] 96*16kB 
[  244.762448]  ? lock_downgrade+0x900/0x900
[  244.766391] (ME) 
[  244.768713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.772829] 43*32kB 
[  244.774888]  ? trace_hardirqs_on+0xbd/0x310
[  244.779960] (UME) 
[  244.782284]  ? kasan_check_read+0x11/0x20
[  244.786579] 31*64kB 
[  244.788726]  ? __run_timers+0x7da/0xc70
[  244.792846] (UM) 
[  244.795165]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.799118] 0*128kB 
[  244.801203]  ? kasan_check_write+0x14/0x20
[  244.806627] 1*256kB 
[  244.808962]  ? do_raw_spin_lock+0xc1/0x200
[  244.813178] (U) 
[  244.815496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.819703] 0*512kB 
[  244.821671]  __run_timers+0x7e5/0xc70
[  244.825873] 0*1024kB 
[  244.828207]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  244.831992] 0*2048kB 
[  244.834410]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  244.839746] 0*4096kB 
[  244.842151]  ? timerqueue_add+0x207/0x2b0
[  244.847158] = 13756kB
[  244.849558]  ? enqueue_hrtimer+0x1a5/0x560
[  244.853698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.856098]  ? lock_release+0x970/0x970
[  244.860308] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.869135]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  244.873098] 3632 total pagecache pages
[  244.881673]  ? kasan_check_write+0x14/0x20
[  244.886830] 0 pages in swap cache
[  244.890715]  ? pvclock_read_flags+0x160/0x160
[  244.894927] Swap cache stats: add 0, delete 0, find 0/0
[  244.898379]  ? lock_downgrade+0x900/0x900
[  244.902843] Free swap  = 0kB
[  244.908203]  ? trace_hardirqs_on+0xbd/0x310
[  244.912326] Total swap = 0kB
[  244.915352]  ? kvm_sched_clock_read+0x9/0x20
[  244.919659] 1965979 pages RAM
[  244.922712]  ? irq_exit+0x17f/0x1c0
[  244.927110] 0 pages HighMem/MovableOnly
[  244.927118] 342307 pages reserved
[  244.930220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.933815] 0 pages cma reserved
[  244.937789]  ? check_preemption_disabled+0x48/0x200
[  244.941279] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.946754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.946777]  run_timer_softirq+0x52/0xb0
[  244.950169] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.955131]  ? __this_cpu_preempt_check+0x1c/0x1f
[  244.961596] ksoftirqd/0 cpuset=
[  244.967129]  __do_softirq+0x30b/0xad8
[  244.971164] /
[  244.981472]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.986291]  mems_allowed=0
[  244.989566]  ? pvclock_read_flags+0x160/0x160
[  245.007533]  ? lapic_next_event+0x5a/0x90
[  245.011681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.017218]  ? clockevents_program_event+0x140/0x370
[  245.022325]  ? kvm_clock_read+0x18/0x30
[  245.026300]  ? kvm_sched_clock_read+0x9/0x20
[  245.030724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.036266]  ? check_preemption_disabled+0x48/0x200
[  245.041291]  irq_exit+0x17f/0x1c0
[  245.044766]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.049635]  ? smp_reschedule_interrupt+0x109/0x650
[  245.054646]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.060534]  ? interrupt_entry+0xb5/0xf0
[  245.064598]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.069608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.074626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.079465]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.084481]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.089503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.095073]  ? check_preemption_disabled+0x48/0x200
[  245.100088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.105630]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.110485]  apic_timer_interrupt+0xf/0x20
[  245.114713]  </IRQ>
[  245.116956] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.121886] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  245.140787] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.148493] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  245.155759] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  245.163028] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  245.170295] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  245.177580] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  245.184873]  ? trace_hardirqs_on+0xb4/0x310
[  245.189205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.194750]  skb_clone+0x1bb/0x500
[  245.198287]  ? finish_task_switch+0x2f5/0x900
[  245.202778]  ? skb_split+0x11e0/0x11e0
[  245.206668]  ? preempt_notifier_register+0x200/0x200
[  245.211773]  ? __switch_to_asm+0x34/0x70
[  245.215834]  ? __switch_to_asm+0x34/0x70
[  245.219894]  ? __switch_to_asm+0x40/0x70
[  245.223950]  ? __switch_to_asm+0x34/0x70
[  245.228006]  ? __switch_to_asm+0x40/0x70
[  245.232077]  ? __switch_to_asm+0x34/0x70
[  245.236146]  ? __switch_to_asm+0x40/0x70
[  245.240202]  ? __switch_to_asm+0x34/0x70
[  245.244258]  ? __switch_to_asm+0x34/0x70
[  245.248314]  ? __switch_to_asm+0x40/0x70
[  245.252376]  ? __switch_to_asm+0x34/0x70
[  245.256479]  bpf_clone_redirect+0xb9/0x490
[  245.260712]  ? __schedule+0x874/0x1ed0
[  245.264604]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  245.269620]  ? __sched_text_start+0x8/0x8
[  245.273767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.278524]  ? retint_kernel+0x2d/0x2d
[  245.282434]  ? lock_acquire+0x1ed/0x520
[  245.286441]  ? bpf_test_run+0x3cb/0x780
[  245.290418]  ? lock_release+0x970/0x970
[  245.294419]  ? preempt_schedule+0x4d/0x60
[  245.298566]  ? preempt_schedule_common+0x1f/0xd0
[  245.303332]  ? preempt_schedule+0x4d/0x60
[  245.307485]  ? ___preempt_schedule+0x16/0x18
[  245.311901]  ? bpf_test_run+0x25d/0x780
[  245.315879]  ? netlink_diag_dump+0x2a0/0x2a0
[  245.320292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.325824]  ? bpf_test_init.isra.9+0x70/0x100
[  245.330407]  ? bpf_prog_test_run_skb+0x634/0xb40
[  245.335165]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.340017]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.345567]  ? fput+0x130/0x1a0
[  245.348853]  ? __bpf_prog_get+0x9b/0x290
[  245.352913]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  245.357757]  ? bpf_prog_test_run+0x130/0x1a0
[  245.362166]  ? __x64_sys_bpf+0x3d8/0x510
[  245.366239]  ? bpf_prog_get+0x20/0x20
[  245.370050]  ? do_syscall_64+0x1b9/0x820
[  245.374119]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  245.379481]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.384417]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.389432]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  245.394448]  ? recalc_sigpending_tsk+0x180/0x180
[  245.399236]  ? kasan_check_write+0x14/0x20
[  245.403487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.408363]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  245.413743] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  245.413809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.420579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.420583] Call Trace:
[  245.420603]  dump_stack+0x1c4/0x2b4
[  245.427166] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.436629]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.439191] syz-executor4 cpuset=
[  245.442815]  warn_alloc.cold.119+0xb7/0x1bd
[  245.453267] syz4
[  245.458480]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.461908]  mems_allowed=0
[  245.466219]  ? lock_downgrade+0x900/0x900
[  245.480074]  ? trace_hardirqs_off+0xb8/0x310
[  245.484491]  ? trace_hardirqs_off+0xb8/0x310
[  245.488918]  __alloc_pages_slowpath+0x2667/0x2d80
[  245.493774]  ? warn_alloc+0x120/0x120
[  245.497573]  ? warn_alloc+0x120/0x120
[  245.501393]  ? warn_alloc+0x120/0x120
[  245.505190]  ? warn_alloc+0x120/0x120
[  245.508995]  ? warn_alloc+0x120/0x120
[  245.512799]  ? mark_held_locks+0x130/0x130
[  245.517030]  ? mark_held_locks+0x130/0x130
[  245.521265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.526802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.532338]  ? should_fail+0x22d/0xd01
[  245.536232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.541327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.546882]  ? should_fail+0x22d/0xd01
[  245.550776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.555877]  ? should_fail+0x22d/0xd01
[  245.559798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.564904]  ? mark_held_locks+0x130/0x130
[  245.569269]  ? mark_held_locks+0x130/0x130
[  245.573506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.579042]  ? trace_hardirqs_off+0xb8/0x310
[  245.583451]  ? kasan_check_read+0x11/0x20
[  245.587598]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.592013]  ? trace_hardirqs_on+0x310/0x310
[  245.596426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.601979]  ? wq_watchdog_touch+0x9c/0xfe
[  245.606213]  ? io_serial_in+0x11/0x90
[  245.610026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.615582]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.620716]  __alloc_pages_nodemask+0xa80/0xde0
[  245.625385]  ? should_fail+0x22d/0xd01
[  245.629273]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.634302]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.638973]  ? lock_downgrade+0x900/0x900
[  245.643124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.648663]  cache_grow_begin+0x91/0x8c0
[  245.652732]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.657142]  fallback_alloc+0x203/0x2e0
[  245.661132]  ____cache_alloc_node+0x1c7/0x1e0
[  245.665631]  kmem_cache_alloc_node+0xe3/0x730
[  245.670126]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.674374]  __alloc_skb+0x119/0x770
[  245.678090]  ? skb_scrub_packet+0x490/0x490
[  245.682423]  ? lock_downgrade+0x900/0x900
[  245.686575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.692113]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.697567]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.703032]  ? addrconf_rs_timer+0x690/0x690
[  245.707458]  ndisc_alloc_skb+0x144/0x340
[  245.711519]  ndisc_send_rs+0x331/0x6e0
[  245.715410]  addrconf_rs_timer+0x314/0x690
[  245.719697]  ? lock_release+0x970/0x970
[  245.723674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.727919]  call_timer_fn+0x272/0x920
[  245.731803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.736049]  ? process_timeout+0x40/0x40
[  245.740121]  ? kasan_check_read+0x11/0x20
[  245.744274]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.748692]  ? trace_hardirqs_on+0x310/0x310
[  245.753109]  ? __run_timers+0x7da/0xc70
[  245.757084]  ? lock_downgrade+0x900/0x900
[  245.761236]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.766341]  ? trace_hardirqs_on+0xbd/0x310
[  245.770705]  ? kasan_check_read+0x11/0x20
[  245.774854]  ? __run_timers+0x7da/0xc70
[  245.778830]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.784303]  ? kasan_check_write+0x14/0x20
[  245.788537]  ? do_raw_spin_lock+0xc1/0x200
[  245.792774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.797010]  __run_timers+0x7e5/0xc70
[  245.800820]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.806182]  ? compat_start_thread+0x80/0x80
[  245.810587]  ? dequeue_entity+0x1770/0x1770
[  245.814915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.820450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.825991]  ? _raw_spin_unlock_irq+0x60/0x80
[  245.830489]  ? finish_task_switch+0x1f5/0x900
[  245.834982]  ? finish_task_switch+0x1b5/0x900
[  245.839482]  ? __switch_to_asm+0x34/0x70
[  245.843543]  ? preempt_notifier_register+0x200/0x200
[  245.848645]  ? __switch_to_asm+0x34/0x70
[  245.852706]  ? __switch_to_asm+0x40/0x70
[  245.856762]  ? __switch_to_asm+0x34/0x70
[  245.860829]  ? __switch_to_asm+0x40/0x70
[  245.864885]  ? __switch_to_asm+0x34/0x70
[  245.868942]  ? __switch_to_asm+0x40/0x70
[  245.873006]  ? __switch_to_asm+0x40/0x70
[  245.877104]  ? pvclock_read_flags+0x160/0x160
[  245.881601]  ? __schedule+0x874/0x1ed0
[  245.885507]  ? run_rebalance_domains+0x38d/0x500
[  245.890265]  ? trace_hardirqs_on+0xbd/0x310
[  245.894590]  ? kvm_sched_clock_read+0x9/0x20
[  245.899015]  ? run_ksoftirqd+0x94/0x100
[  245.902989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.908530]  ? check_preemption_disabled+0x48/0x200
[  245.913546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.919091]  run_timer_softirq+0x52/0xb0
[  245.923174]  ? __this_cpu_preempt_check+0x1c/0x1f
[  245.928027]  __do_softirq+0x30b/0xad8
[  245.931830]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.936937]  ? trace_hardirqs_off+0xb8/0x310
[  245.941355]  ? schedule+0x108/0x460
[  245.944991]  ? __schedule+0x1ed0/0x1ed0
[  245.948984]  ? run_ksoftirqd+0x40/0x100
[  245.952987]  ? trace_hardirqs_off+0xb8/0x310
[  245.957425]  ? ___might_sleep+0x1ed/0x300
[  245.961570]  ? smpboot_thread_fn+0x68b/0xa00
[  245.965976]  ? trace_hardirqs_on+0x310/0x310
[  245.970387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.975927]  ? check_preemption_disabled+0x48/0x200
[  245.980955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.986494]  ? takeover_tasklets+0xa90/0xa90
[  245.990920]  run_ksoftirqd+0x94/0x100
[  245.994722]  smpboot_thread_fn+0x68b/0xa00
[  245.998956]  ? sort_range+0x30/0x30
[  246.002603]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.007711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.013250]  ? __kthread_parkme+0xfb/0x1a0
[  246.017505]  kthread+0x35a/0x420
[  246.020887]  ? sort_range+0x30/0x30
[  246.024509]  ? kthread_bind+0x40/0x40
[  246.028311]  ret_from_fork+0x3a/0x50
[  246.032051] warn_alloc_show_mem: 1 callbacks suppressed
[  246.032064] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  246.032066] Mem-Info:
[  246.032097] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  246.032097]  active_file:15 inactive_file:15 isolated_file:0
[  246.032097]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.032097]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  246.032097]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  246.032097]  free:13623 free_pcp:480 free_cma:0
[  246.037447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.044756] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.047156] Call Trace:
[  246.080236] Node 0 
[  246.089585]  <IRQ>
[  246.117391] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.119976]  dump_stack+0x1c4/0x2b4
[  246.122177] lowmem_reserve[]:
[  246.124317]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.149802]  0
[  246.153441]  warn_alloc.cold.119+0xb7/0x1bd
[  246.156509]  2819
[  246.161697]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.163470]  6323
[  246.167799]  ? lock_downgrade+0x900/0x900
[  246.169833]  6323
[  246.174674]  ? trace_hardirqs_off+0xb8/0x310
[  246.180847]  ? trace_hardirqs_off+0xb8/0x310
[  246.182885] Node 0 
[  246.187289]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.191695] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  246.193913]  ? warn_alloc+0x120/0x120
[  246.198718] lowmem_reserve[]:
[  246.225646]  ? trace_hardirqs_on+0x310/0x310
[  246.229446]  0
[  246.232545]  ? warn_alloc+0x120/0x120
[  246.236926]  0
[  246.238724]  ? warn_alloc+0x120/0x120
[  246.242515]  3503
[  246.244319]  ? ktime_get+0x2e1/0x440
[  246.248089]  3503
[  246.250153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.255925]  ? check_preemption_disabled+0x48/0x200
[  246.261428] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  246.266472]  ? kasan_check_read+0x11/0x20
[  246.266491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.295632] lowmem_reserve[]:
[  246.299788]  ? should_fail+0x22d/0xd01
[  246.305291]  0
[  246.308394]  ? rcu_bh_qs+0xc0/0xc0
[  246.312266]  0
[  246.314068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.317578]  0
[  246.319382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.324457]  0
[  246.326252]  ? should_fail+0x22d/0xd01
[  246.333556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.337414] Node 0 
[  246.342504]  ? should_fail+0x22d/0xd01
[  246.342513] DMA: 
[  246.344750]  ? rcu_idle_enter+0x4b0/0x4b0
[  246.348644] 1*4kB 
[  246.350701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.354825] (U) 
[  246.356999]  ? mark_held_locks+0x130/0x130
[  246.362074] 0*8kB 
[  246.364062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.368265] 0*16kB 
[  246.370408]  ? mark_held_locks+0x130/0x130
[  246.375934] 1*32kB 
[  246.378171]  ? rcu_irq_exit+0xce/0x100
[  246.382375] (U) 
[  246.384605]  ? irq_exit+0xbd/0x1c0
[  246.388472] 2*64kB 
[  246.390440]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  246.393949] (U) 
[  246.396183]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.401169] 1*128kB 
[  246.403152]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.407537] (U) 
[  246.409856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.415710] 1*256kB 
[  246.417684]  ? ret_from_intr+0xb/0x1e
[  246.423192] (U) 
[  246.425512]  ? retint_kernel+0x2d/0x2d
[  246.429288] 0*512kB 
[  246.431262]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.435122] 1*1024kB 
[  246.437448]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  246.442353] (U) 
[  246.444760]  ? trace_hardirqs_off+0x310/0x310
[  246.449489] 1*2048kB 
[  246.451462]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.455924] (M) 
[  246.458336]  __alloc_pages_nodemask+0xa80/0xde0
[  246.463425] 3*4096kB 
[  246.465395]  ? should_fail+0x22d/0xd01
[  246.470032] (M) 
[  246.472440]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.476300] = 15908kB
[  246.478277]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.483270] Node 0 
[  246.485690]  ? lock_downgrade+0x900/0x900
[  246.490329] DMA32: 
[  246.492570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.496696] 3*4kB 
[  246.498929]  cache_grow_begin+0x91/0x8c0
[  246.504440] (UM) 
[  246.506586]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.510621] 2*8kB 
[  246.512677]  fallback_alloc+0x203/0x2e0
[  246.517061] (UM) 
[  246.519204]  ____cache_alloc_node+0x1c7/0x1e0
[  246.523150] 2*16kB 
[  246.525204]  kmem_cache_alloc_node+0xe3/0x730
[  246.529672] (M) 
[  246.531907]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.536391] 2*32kB 
[  246.538372]  __alloc_skb+0x119/0x770
[  246.542578] (M) 
[  246.544805]  ? skb_scrub_packet+0x490/0x490
[  246.548493] 4*64kB 
[  246.550468]  ? lock_downgrade+0x900/0x900
[  246.554760] (M) 
[  246.556994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.561119] 3*128kB 
[  246.563087]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.568601] (M) 
[  246.570922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.576361] 4*256kB 
[  246.578371]  ? addrconf_rs_timer+0x690/0x690
[  246.583795] (UM) 
[  246.586160]  ndisc_alloc_skb+0x144/0x340
[  246.590538] 3*512kB 
[  246.592589]  ndisc_send_rs+0x331/0x6e0
[  246.596624] (M) 
[  246.598943]  addrconf_rs_timer+0x314/0x690
[  246.602803] 3*1024kB 
[  246.604774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.608986] (UM) 
[  246.611395]  call_timer_fn+0x272/0x920
[  246.615597] 3*2048kB 
[  246.617656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.621516] (M) 
[  246.623923]  ? process_timeout+0x40/0x40
[  246.628130] 3*4096kB 
[  246.630100]  ? trace_hardirqs_off+0xb8/0x310
[  246.634148] (M) 
[  246.636583]  ? kasan_check_read+0x11/0x20
[  246.640961] = 24828kB
[  246.642930]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.647050] Node 0 
[  246.649451]  ? trace_hardirqs_on+0x310/0x310
[  246.653833] Normal: 
[  246.656067]  ? __run_timers+0x7da/0xc70
[  246.660447] 1555*4kB 
[  246.662808]  ? lock_downgrade+0x900/0x900
[  246.666751] (UMEH) 
[  246.669160]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.673275] 298*8kB 
[  246.675504]  ? trace_hardirqs_on+0xbd/0x310
[  246.680578] (ME) 
[  246.682900]  ? kasan_check_read+0x11/0x20
[  246.687188] 96*16kB (ME) 
[  246.689252]  ? __run_timers+0x7da/0xc70
[  246.693378] 43*32kB 
[  246.696147]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.700095] (UME) 
[  246.702425]  ? kasan_check_write+0x14/0x20
[  246.707860] 31*64kB 
[  246.710010]  ? do_raw_spin_lock+0xc1/0x200
[  246.714213] (UM) 
[  246.716540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.720773] 0*128kB 
[  246.722830]  __run_timers+0x7e5/0xc70
[  246.727035] 1*256kB 
[  246.729363]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  246.733131] (U) 
[  246.735479]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  246.740811] 0*512kB 
[  246.742807]  ? timerqueue_add+0x207/0x2b0
[  246.747793] 0*1024kB 
[  246.750126]  ? enqueue_hrtimer+0x1a5/0x560
[  246.754251] 0*2048kB 
[  246.756659]  ? lock_release+0x970/0x970
[  246.760864] 0*4096kB 
[  246.763266]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  246.767216] = 13756kB
[  246.769631]  ? kasan_check_write+0x14/0x20
[  246.774797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.777210]  ? pvclock_read_flags+0x160/0x160
[  246.781435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.790263]  ? lock_downgrade+0x900/0x900
[  246.794730] 3632 total pagecache pages
[  246.803299]  ? trace_hardirqs_on+0xbd/0x310
[  246.807421] 0 pages in swap cache
[  246.811301]  ? kvm_sched_clock_read+0x9/0x20
[  246.815597] Swap cache stats: add 0, delete 0, find 0/0
[  246.819041]  ? irq_exit+0x17f/0x1c0
[  246.823419] Free swap  = 0kB
[  246.828775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.832374] Total swap = 0kB
[  246.835390]  ? check_preemption_disabled+0x48/0x200
[  246.840902] 1965979 pages RAM
[  246.843927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.848912] 0 pages HighMem/MovableOnly
[  246.848920] 342307 pages reserved
[  246.852022]  run_timer_softirq+0x52/0xb0
[  246.857531] 0 pages cma reserved
[  246.861510]  ? __this_cpu_preempt_check+0x1c/0x1f
[  246.865022] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.868984]  __do_softirq+0x30b/0xad8
[  246.869002]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  246.872421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.877208]  ? pvclock_read_flags+0x160/0x160
[  246.883675] ksoftirqd/0 cpuset=
[  246.887471]  ? lapic_next_event+0x5a/0x90
[  246.892547] /
[  246.902868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.907339]  mems_allowed=0
[  246.910636]  ? clockevents_program_event+0x140/0x370
[  246.930002]  ? kvm_clock_read+0x18/0x30
[  246.933976]  ? kvm_sched_clock_read+0x9/0x20
[  246.938411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.943951]  ? check_preemption_disabled+0x48/0x200
[  246.948988]  irq_exit+0x17f/0x1c0
[  246.952445]  smp_apic_timer_interrupt+0x1cb/0x760
[  246.957287]  ? smp_reschedule_interrupt+0x109/0x650
[  246.962300]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.968186]  ? interrupt_entry+0xb5/0xf0
[  246.972246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.977263]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.982293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.987134]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.992170]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.997184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.002719]  ? check_preemption_disabled+0x48/0x200
[  247.007733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.013291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.018150]  apic_timer_interrupt+0xf/0x20
[  247.022378]  </IRQ>
[  247.024618] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.029549] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  247.048445] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  247.056159] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  247.063426] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  247.070710] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  247.077994] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  247.085261] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  247.092572]  ? trace_hardirqs_on+0xb4/0x310
[  247.096904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.102446]  skb_clone+0x1bb/0x500
[  247.105990]  ? finish_task_switch+0x2f5/0x900
[  247.110498]  ? skb_split+0x11e0/0x11e0
[  247.114387]  ? preempt_notifier_register+0x200/0x200
[  247.119489]  ? __switch_to_asm+0x34/0x70
[  247.123549]  ? __switch_to_asm+0x34/0x70
[  247.127608]  ? __switch_to_asm+0x40/0x70
[  247.131667]  ? __switch_to_asm+0x34/0x70
[  247.135726]  ? __switch_to_asm+0x40/0x70
[  247.139790]  ? __switch_to_asm+0x34/0x70
[  247.143861]  ? __switch_to_asm+0x40/0x70
[  247.147935]  ? __switch_to_asm+0x34/0x70
[  247.151995]  ? __switch_to_asm+0x34/0x70
[  247.156082]  ? __switch_to_asm+0x40/0x70
[  247.160153]  ? __switch_to_asm+0x34/0x70
[  247.164216]  bpf_clone_redirect+0xb9/0x490
[  247.168449]  ? __schedule+0x874/0x1ed0
[  247.172342]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  247.177372]  ? __sched_text_start+0x8/0x8
[  247.181528]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.186286]  ? retint_kernel+0x2d/0x2d
[  247.190192]  ? lock_acquire+0x1ed/0x520
[  247.194165]  ? bpf_test_run+0x3cb/0x780
[  247.198140]  ? lock_release+0x970/0x970
[  247.202118]  ? preempt_schedule+0x4d/0x60
[  247.206267]  ? preempt_schedule_common+0x1f/0xd0
[  247.211021]  ? preempt_schedule+0x4d/0x60
[  247.215169]  ? ___preempt_schedule+0x16/0x18
[  247.219583]  ? bpf_test_run+0x25d/0x780
[  247.223562]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.227973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.233507]  ? bpf_test_init.isra.9+0x70/0x100
[  247.238095]  ? bpf_prog_test_run_skb+0x634/0xb40
[  247.242863]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.247708]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.253245]  ? fput+0x130/0x1a0
[  247.256525]  ? __bpf_prog_get+0x9b/0x290
[  247.260585]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.265437]  ? bpf_prog_test_run+0x130/0x1a0
[  247.269868]  ? __x64_sys_bpf+0x3d8/0x510
[  247.273931]  ? bpf_prog_get+0x20/0x20
[  247.277744]  ? do_syscall_64+0x1b9/0x820
[  247.281807]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.287167]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.292097]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.297124]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.302143]  ? recalc_sigpending_tsk+0x180/0x180
[  247.306905]  ? kasan_check_write+0x14/0x20
[  247.311143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.315995]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.321388] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  247.321456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.328224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.328228] Call Trace:
[  247.328248]  dump_stack+0x1c4/0x2b4
[  247.328265]  ? dump_stack_print_info.cold.2+0x52/0x52
[  247.334810] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.344116]  warn_alloc.cold.119+0xb7/0x1bd
[  247.346671] syz-executor4 cpuset=
[  247.350303]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.355469] syz4
[  247.365952]  ? lock_downgrade+0x900/0x900
[  247.370248]  mems_allowed=0
[  247.373690]  ? trace_hardirqs_off+0xb8/0x310
[  247.391937]  ? trace_hardirqs_off+0xb8/0x310
[  247.396363]  __alloc_pages_slowpath+0x2667/0x2d80
[  247.401222]  ? warn_alloc+0x120/0x120
[  247.405021]  ? warn_alloc+0x120/0x120
[  247.408825]  ? warn_alloc+0x120/0x120
[  247.412656]  ? warn_alloc+0x120/0x120
[  247.416464]  ? warn_alloc+0x120/0x120
[  247.420268]  ? mark_held_locks+0x130/0x130
[  247.424502]  ? mark_held_locks+0x130/0x130
[  247.428748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.434282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.440029]  ? should_fail+0x22d/0xd01
[  247.443920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.449021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.454580]  ? should_fail+0x22d/0xd01
[  247.458494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.463600]  ? should_fail+0x22d/0xd01
[  247.467498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.472603]  ? mark_held_locks+0x130/0x130
[  247.476846]  ? mark_held_locks+0x130/0x130
[  247.481082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.486627]  ? trace_hardirqs_off+0xb8/0x310
[  247.491048]  ? kasan_check_read+0x11/0x20
[  247.495225]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.499640]  ? trace_hardirqs_on+0x310/0x310
[  247.504050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.509602]  ? wq_watchdog_touch+0x9c/0xfe
[  247.513860]  ? io_serial_in+0x11/0x90
[  247.517690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.523232]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.528343]  __alloc_pages_nodemask+0xa80/0xde0
[  247.533018]  ? should_fail+0x22d/0xd01
[  247.536905]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  247.541959]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.546635]  ? lock_downgrade+0x900/0x900
[  247.550786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.556333]  cache_grow_begin+0x91/0x8c0
[  247.560406]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.564823]  fallback_alloc+0x203/0x2e0
[  247.568947]  ____cache_alloc_node+0x1c7/0x1e0
[  247.573445]  kmem_cache_alloc_node+0xe3/0x730
[  247.577968]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.582205]  __alloc_skb+0x119/0x770
[  247.585938]  ? skb_scrub_packet+0x490/0x490
[  247.590282]  ? lock_downgrade+0x900/0x900
[  247.594450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.599989]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.605457]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.610921]  ? addrconf_rs_timer+0x690/0x690
[  247.615334]  ndisc_alloc_skb+0x144/0x340
[  247.619406]  ndisc_send_rs+0x331/0x6e0
[  247.623293]  addrconf_rs_timer+0x314/0x690
[  247.627525]  ? lock_release+0x970/0x970
[  247.631503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.635775]  call_timer_fn+0x272/0x920
[  247.639673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.643909]  ? process_timeout+0x40/0x40
[  247.647973]  ? kasan_check_read+0x11/0x20
[  247.652122]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.656552]  ? trace_hardirqs_on+0x310/0x310
[  247.660968]  ? __run_timers+0x7da/0xc70
[  247.664943]  ? lock_downgrade+0x900/0x900
[  247.669099]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.674223]  ? trace_hardirqs_on+0xbd/0x310
[  247.678556]  ? kasan_check_read+0x11/0x20
[  247.682707]  ? __run_timers+0x7da/0xc70
[  247.686690]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.692148]  ? kasan_check_write+0x14/0x20
[  247.696417]  ? do_raw_spin_lock+0xc1/0x200
[  247.700668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.704905]  __run_timers+0x7e5/0xc70
[  247.708715]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.714076]  ? compat_start_thread+0x80/0x80
[  247.718500]  ? dequeue_entity+0x1770/0x1770
[  247.722822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.728366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.733910]  ? _raw_spin_unlock_irq+0x60/0x80
[  247.738411]  ? finish_task_switch+0x1f5/0x900
[  247.742922]  ? finish_task_switch+0x1b5/0x900
[  247.747419]  ? __switch_to_asm+0x34/0x70
[  247.751484]  ? preempt_notifier_register+0x200/0x200
[  247.756588]  ? __switch_to_asm+0x34/0x70
[  247.760653]  ? __switch_to_asm+0x40/0x70
[  247.764729]  ? __switch_to_asm+0x34/0x70
[  247.768785]  ? __switch_to_asm+0x40/0x70
[  247.772842]  ? __switch_to_asm+0x34/0x70
[  247.776898]  ? __switch_to_asm+0x40/0x70
[  247.780956]  ? __switch_to_asm+0x40/0x70
[  247.785025]  ? pvclock_read_flags+0x160/0x160
[  247.789522]  ? __schedule+0x874/0x1ed0
[  247.793419]  ? run_rebalance_domains+0x38d/0x500
[  247.798182]  ? trace_hardirqs_on+0xbd/0x310
[  247.802504]  ? kvm_sched_clock_read+0x9/0x20
[  247.806917]  ? run_ksoftirqd+0x94/0x100
[  247.810896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.816436]  ? check_preemption_disabled+0x48/0x200
[  247.821450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.826996]  run_timer_softirq+0x52/0xb0
[  247.831058]  ? __this_cpu_preempt_check+0x1c/0x1f
[  247.835900]  __do_softirq+0x30b/0xad8
[  247.839716]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.844817]  ? trace_hardirqs_off+0xb8/0x310
[  247.849232]  ? schedule+0x108/0x460
[  247.852856]  ? __schedule+0x1ed0/0x1ed0
[  247.856836]  ? run_ksoftirqd+0x40/0x100
[  247.860813]  ? trace_hardirqs_off+0xb8/0x310
[  247.865223]  ? ___might_sleep+0x1ed/0x300
[  247.869378]  ? smpboot_thread_fn+0x68b/0xa00
[  247.873786]  ? trace_hardirqs_on+0x310/0x310
[  247.878198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.883738]  ? check_preemption_disabled+0x48/0x200
[  247.888755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.894294]  ? takeover_tasklets+0xa90/0xa90
[  247.898704]  run_ksoftirqd+0x94/0x100
[  247.902509]  smpboot_thread_fn+0x68b/0xa00
[  247.906746]  ? sort_range+0x30/0x30
[  247.910384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.915489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.921027]  ? __kthread_parkme+0xfb/0x1a0
[  247.925262]  kthread+0x35a/0x420
[  247.928634]  ? sort_range+0x30/0x30
[  247.932260]  ? kthread_bind+0x40/0x40
[  247.936064]  ret_from_fork+0x3a/0x50
[  247.939783] warn_alloc_show_mem: 1 callbacks suppressed
[  247.939796] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  247.939798] Mem-Info:
[  247.939828] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  247.939828]  active_file:15 inactive_file:15 isolated_file:0
[  247.939828]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.939828]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  247.939828]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  247.939828]  free:13623 free_pcp:480 free_cma:0
[  247.945175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.952452] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.954850] Call Trace:
[  247.987903] Node 0 
[  247.997260]  <IRQ>
[  248.025037] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  248.027605]  dump_stack+0x1c4/0x2b4
[  248.029809] lowmem_reserve[]:
[  248.031953]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.057437]  0
[  248.061079]  warn_alloc.cold.119+0xb7/0x1bd
[  248.064160]  2819
[  248.069367]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.071140]  6323
[  248.075471]  ? lock_downgrade+0x900/0x900
[  248.077520]  6323
[  248.082391]  ? trace_hardirqs_off+0xb8/0x310
[  248.088562]  ? trace_hardirqs_off+0xb8/0x310
[  248.090603] Node 0 
[  248.095009]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.099409] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  248.101629]  ? warn_alloc+0x120/0x120
[  248.106440] lowmem_reserve[]:
[  248.133343]  ? warn_alloc+0x120/0x120
[  248.137143]  0
[  248.140245]  ? warn_alloc+0x120/0x120
[  248.144021]  0
[  248.145825]  ? mark_held_locks+0x130/0x130
[  248.149597]  3503
[  248.151399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.155610]  3503
[  248.157669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.165251]  ? should_fail+0x22d/0xd01
[  248.170760] Node 0 
[  248.174641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.174672] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  248.174679] lowmem_reserve[]:
[  248.176915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.181993]  0
[  248.210549]  ? should_fail+0x22d/0xd01
[  248.213645]  0
[  248.219179]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.220948]  0
[  248.224845]  ? should_fail+0x22d/0xd01
[  248.226625]  0
[  248.231761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.237420]  ? mark_held_locks+0x130/0x130
[  248.239190] Node 0 
[  248.244294]  ? mark_held_locks+0x130/0x130
[  248.248499] DMA: 
[  248.250755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.254959] 1*4kB 
[  248.257021]  ? trace_hardirqs_off+0xb8/0x310
[  248.262529] (U) 
[  248.264681]  ? kasan_check_read+0x11/0x20
[  248.269057] 0*8kB 
[  248.271033]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.275152] 0*16kB 
[  248.277300]  ? trace_hardirqs_on+0x310/0x310
[  248.281684] 1*32kB 
[  248.283914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.288293] (U) 
[  248.290525]  ? wq_watchdog_touch+0x9c/0xfe
[  248.296035] 2*64kB 
[  248.298005]  ? io_serial_in+0x11/0x90
[  248.302213] (U) 
[  248.304457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.308243] 1*128kB 
[  248.310219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.315726] (U) 
[  248.318051]  __alloc_pages_nodemask+0xa80/0xde0
[  248.323115] 1*256kB (U) 0*512kB 
[  248.325099]  ? should_fail+0x22d/0xd01
[  248.329743] 1*1024kB 
[  248.333110]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.336965] (U) 
[  248.339399]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.344378] 1*2048kB 
[  248.346364]  ? lock_downgrade+0x900/0x900
[  248.351001] (M) 
[  248.353425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.357545] 3*4096kB 
[  248.359534]  cache_grow_begin+0x91/0x8c0
[  248.365040] (M) 
[  248.367450]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.371485] = 15908kB
[  248.373471]  fallback_alloc+0x203/0x2e0
[  248.377851] Node 0 
[  248.380254]  ____cache_alloc_node+0x1c7/0x1e0
[  248.384205] DMA32: 
[  248.386436]  kmem_cache_alloc_node+0xe3/0x730
[  248.390904] 3*4kB 
[  248.393166]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.397645] (UM) 
[  248.399812]  __alloc_skb+0x119/0x770
[  248.404021] 2*8kB 
[  248.406081]  ? skb_scrub_packet+0x490/0x490
[  248.409768] (UM) 
[  248.411913]  ? lock_downgrade+0x900/0x900
[  248.416208] 2*16kB 
[  248.418269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.422385] (M) 
[  248.424626]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.430133] 2*32kB 
[  248.432104]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.437529] (M) 
[  248.439759]  ? addrconf_rs_timer+0x690/0x690
[  248.445189] 4*64kB 
[  248.447163]  ndisc_alloc_skb+0x144/0x340
[  248.451546] (M) 
[  248.453778]  ndisc_send_rs+0x331/0x6e0
[  248.457811] 3*128kB 
[  248.459783]  addrconf_rs_timer+0x314/0x690
[  248.463644] (M) 
[  248.465965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.470173] 4*256kB 
[  248.472150]  call_timer_fn+0x272/0x920
[  248.476362] (UM) 
[  248.478683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.482555] 3*512kB 
[  248.484611]  ? process_timeout+0x40/0x40
[  248.488817] (M) 
[  248.491139]  ? trace_hardirqs_off+0xb8/0x310
[  248.495174] 3*1024kB 
[  248.497149]  ? kasan_check_read+0x11/0x20
[  248.501539] (UM) 
[  248.503947]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.508065] 3*2048kB 
[  248.510131]  ? trace_hardirqs_on+0x310/0x310
[  248.514513] (M) 
[  248.516918]  ? __run_timers+0x7da/0xc70
[  248.521314] 3*4096kB 
[  248.523287]  ? lock_downgrade+0x900/0x900
[  248.527234] (M) 
[  248.529647]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.533762] = 24828kB
[  248.535777]  ? trace_hardirqs_on+0xbd/0x310
[  248.540849] Node 0 
[  248.543255]  ? kasan_check_read+0x11/0x20
[  248.547545] Normal: 
[  248.549780]  ? __run_timers+0x7da/0xc70
[  248.553905] 1555*4kB 
[  248.556225]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.560165] (UMEH) 
[  248.562574]  ? kasan_check_write+0x14/0x20
[  248.567997] 298*8kB 
[  248.570228]  ? do_raw_spin_lock+0xc1/0x200
[  248.574696] (ME) 
[  248.577013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.581220] 96*16kB 
[  248.583293]  __run_timers+0x7e5/0xc70
[  248.587501] (ME) 
[  248.589820]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.593590] 43*32kB 
[  248.595647]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.600995] (UME) 31*64kB 
[  248.603325]  ? timerqueue_add+0x207/0x2b0
[  248.608329] (UM) 
[  248.611176]  ? enqueue_hrtimer+0x1a5/0x560
[  248.615299] 0*128kB 
[  248.617360]  ? lock_release+0x970/0x970
[  248.621566] 1*256kB 
[  248.623887]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.627835] (U) 
[  248.630154]  ? kasan_check_write+0x14/0x20
[  248.635313] 0*512kB 
[  248.637285]  ? pvclock_read_flags+0x160/0x160
[  248.641503] 0*1024kB 
[  248.643822]  ? lock_downgrade+0x900/0x900
[  248.648290] 0*2048kB 
[  248.650699]  ? trace_hardirqs_on+0xbd/0x310
[  248.654815] 0*4096kB 
[  248.657219]  ? kvm_sched_clock_read+0x9/0x20
[  248.661508] = 13756kB
[  248.663916]  ? irq_exit+0x17f/0x1c0
[  248.668302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.670705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.674320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.683146]  ? check_preemption_disabled+0x48/0x200
[  248.688651] 3632 total pagecache pages
[  248.697225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.702213] 0 pages in swap cache
[  248.706095]  run_timer_softirq+0x52/0xb0
[  248.711600] Swap cache stats: add 0, delete 0, find 0/0
[  248.715045]  ? __this_cpu_preempt_check+0x1c/0x1f
[  248.719073] Free swap  = 0kB
[  248.724467]  __do_softirq+0x30b/0xad8
[  248.729282] Total swap = 0kB
[  248.732296]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  248.736090] 1965979 pages RAM
[  248.739116]  ? pvclock_read_flags+0x160/0x160
[  248.744187] 0 pages HighMem/MovableOnly
[  248.747297]  ? lapic_next_event+0x5a/0x90
[  248.751763] 342307 pages reserved
[  248.755734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.759849] 0 pages cma reserved
[  248.763308]  ? clockevents_program_event+0x140/0x370
[  248.768892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.772189]  ? kvm_clock_read+0x18/0x30
[  248.777341] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.783754]  ? kvm_sched_clock_read+0x9/0x20
[  248.787699] ksoftirqd/0 cpuset=
[  248.798011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.802387] /
[  248.805665]  ? check_preemption_disabled+0x48/0x200
[  248.811173]  mems_allowed=0
[  248.812888]  irq_exit+0x17f/0x1c0
[  248.824244]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.829084]  ? smp_reschedule_interrupt+0x109/0x650
[  248.834111]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.839999]  ? interrupt_entry+0xb5/0xf0
[  248.844082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.849117]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.854142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.858987]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.864009]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.869029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.874587]  ? check_preemption_disabled+0x48/0x200
[  248.879605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.885150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.890003]  apic_timer_interrupt+0xf/0x20
[  248.894231]  </IRQ>
[  248.896472] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  248.901419] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  248.920322] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  248.928043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  248.935315] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  248.942588] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  248.949854] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  248.957124] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  248.964421]  ? trace_hardirqs_on+0xb4/0x310
[  248.968758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.974309]  skb_clone+0x1bb/0x500
[  248.977857]  ? finish_task_switch+0x2f5/0x900
[  248.982360]  ? skb_split+0x11e0/0x11e0
[  248.986270]  ? preempt_notifier_register+0x200/0x200
[  248.991382]  ? __switch_to_asm+0x34/0x70
[  248.995466]  ? __switch_to_asm+0x34/0x70
[  248.999531]  ? __switch_to_asm+0x40/0x70
[  249.003593]  ? __switch_to_asm+0x34/0x70
[  249.007650]  ? __switch_to_asm+0x40/0x70
[  249.011723]  ? __switch_to_asm+0x34/0x70
[  249.015782]  ? __switch_to_asm+0x40/0x70
[  249.019841]  ? __switch_to_asm+0x34/0x70
[  249.023902]  ? __switch_to_asm+0x34/0x70
[  249.027964]  ? __switch_to_asm+0x40/0x70
[  249.032023]  ? __switch_to_asm+0x34/0x70
[  249.036104]  bpf_clone_redirect+0xb9/0x490
[  249.040344]  ? __schedule+0x874/0x1ed0
[  249.044243]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  249.049274]  ? __sched_text_start+0x8/0x8
[  249.053452]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.058218]  ? retint_kernel+0x2d/0x2d
[  249.062119]  ? lock_acquire+0x1ed/0x520
[  249.066093]  ? bpf_test_run+0x3cb/0x780
[  249.070073]  ? lock_release+0x970/0x970
[  249.074066]  ? preempt_schedule+0x4d/0x60
[  249.078270]  ? preempt_schedule_common+0x1f/0xd0
[  249.083044]  ? preempt_schedule+0x4d/0x60
[  249.087195]  ? ___preempt_schedule+0x16/0x18
[  249.091611]  ? bpf_test_run+0x25d/0x780
[  249.095594]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.100008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.105561]  ? bpf_test_init.isra.9+0x70/0x100
[  249.110147]  ? bpf_prog_test_run_skb+0x634/0xb40
[  249.114919]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.119763]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.125332]  ? fput+0x130/0x1a0
[  249.128617]  ? __bpf_prog_get+0x9b/0x290
[  249.132682]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.137526]  ? bpf_prog_test_run+0x130/0x1a0
[  249.141938]  ? __x64_sys_bpf+0x3d8/0x510
[  249.145997]  ? bpf_prog_get+0x20/0x20
[  249.149811]  ? do_syscall_64+0x1b9/0x820
[  249.153869]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.159230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.164161]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.169193]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.174210]  ? recalc_sigpending_tsk+0x180/0x180
[  249.178969]  ? kasan_check_write+0x14/0x20
[  249.183206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.188059]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.193431] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  249.193497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.200269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.200273] Call Trace:
[  249.200295]  dump_stack+0x1c4/0x2b4
[  249.200311]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.206872] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.216157]  warn_alloc.cold.119+0xb7/0x1bd
[  249.218711] syz-executor4 cpuset=
[  249.222342]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.227544] syz4
[  249.238027]  ? lock_downgrade+0x900/0x900
[  249.242326]  mems_allowed=0
[  249.245788]  ? trace_hardirqs_off+0xb8/0x310
[  249.264085]  ? trace_hardirqs_off+0xb8/0x310
[  249.268497]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.273362]  ? warn_alloc+0x120/0x120
[  249.277159]  ? warn_alloc+0x120/0x120
[  249.280954]  ? warn_alloc+0x120/0x120
[  249.284752]  ? warn_alloc+0x120/0x120
[  249.288550]  ? warn_alloc+0x120/0x120
[  249.292373]  ? mark_held_locks+0x130/0x130
[  249.296611]  ? mark_held_locks+0x130/0x130
[  249.300866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.306404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.311940]  ? should_fail+0x22d/0xd01
[  249.315830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.320930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.326464]  ? should_fail+0x22d/0xd01
[  249.330363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.335467]  ? should_fail+0x22d/0xd01
[  249.339364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.344488]  ? mark_held_locks+0x130/0x130
[  249.348725]  ? mark_held_locks+0x130/0x130
[  249.352956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.358491]  ? trace_hardirqs_off+0xb8/0x310
[  249.362900]  ? kasan_check_read+0x11/0x20
[  249.367044]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.371447]  ? trace_hardirqs_on+0x310/0x310
[  249.375855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.381388]  ? wq_watchdog_touch+0x9c/0xfe
[  249.385629]  ? io_serial_in+0x11/0x90
[  249.389445]  ? retint_kernel+0x2d/0x2d
[  249.393330]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.398268]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.403016]  ? trace_hardirqs_off+0x310/0x310
[  249.407506]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.412618]  __alloc_pages_nodemask+0xa80/0xde0
[  249.417286]  ? should_fail+0x22d/0xd01
[  249.421177]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.426205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.430875]  ? lock_downgrade+0x900/0x900
[  249.435058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.440805]  cache_grow_begin+0x91/0x8c0
[  249.444869]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.449294]  fallback_alloc+0x203/0x2e0
[  249.453273]  ____cache_alloc_node+0x1c7/0x1e0
[  249.457771]  kmem_cache_alloc_node+0xe3/0x730
[  249.462263]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.466499]  __alloc_skb+0x119/0x770
[  249.470216]  ? skb_scrub_packet+0x490/0x490
[  249.474555]  ? lock_downgrade+0x900/0x900
[  249.478723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.484263]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.489718]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.495201]  ? addrconf_rs_timer+0x690/0x690
[  249.499620]  ndisc_alloc_skb+0x144/0x340
[  249.503685]  ndisc_send_rs+0x331/0x6e0
[  249.507604]  addrconf_rs_timer+0x314/0x690
[  249.511857]  ? lock_release+0x970/0x970
[  249.515832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.520091]  call_timer_fn+0x272/0x920
[  249.523974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.528209]  ? process_timeout+0x40/0x40
[  249.532282]  ? kasan_check_read+0x11/0x20
[  249.536433]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.540843]  ? trace_hardirqs_on+0x310/0x310
[  249.545252]  ? __run_timers+0x7da/0xc70
[  249.549227]  ? lock_downgrade+0x900/0x900
[  249.553384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.558488]  ? trace_hardirqs_on+0xbd/0x310
[  249.562811]  ? kasan_check_read+0x11/0x20
[  249.567071]  ? __run_timers+0x7da/0xc70
[  249.571040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.576487]  ? kasan_check_write+0x14/0x20
[  249.580736]  ? do_raw_spin_lock+0xc1/0x200
[  249.584976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.589210]  __run_timers+0x7e5/0xc70
[  249.593044]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  249.598419]  ? compat_start_thread+0x80/0x80
[  249.602825]  ? dequeue_entity+0x1770/0x1770
[  249.607147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.612679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.618227]  ? _raw_spin_unlock_irq+0x60/0x80
[  249.622727]  ? finish_task_switch+0x1f5/0x900
[  249.627237]  ? finish_task_switch+0x1b5/0x900
[  249.631745]  ? __switch_to_asm+0x34/0x70
[  249.635811]  ? preempt_notifier_register+0x200/0x200
[  249.640913]  ? __switch_to_asm+0x34/0x70
[  249.644970]  ? __switch_to_asm+0x40/0x70
[  249.649041]  ? __switch_to_asm+0x34/0x70
[  249.653099]  ? __switch_to_asm+0x40/0x70
[  249.657158]  ? __switch_to_asm+0x34/0x70
[  249.661213]  ? __switch_to_asm+0x40/0x70
[  249.665287]  ? __switch_to_asm+0x40/0x70
[  249.669358]  ? pvclock_read_flags+0x160/0x160
[  249.673855]  ? __schedule+0x874/0x1ed0
[  249.677756]  ? run_rebalance_domains+0x38d/0x500
[  249.682518]  ? trace_hardirqs_on+0xbd/0x310
[  249.686852]  ? kvm_sched_clock_read+0x9/0x20
[  249.691264]  ? run_ksoftirqd+0x94/0x100
[  249.695267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.700803]  ? check_preemption_disabled+0x48/0x200
[  249.705814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.711377]  run_timer_softirq+0x52/0xb0
[  249.715441]  ? __this_cpu_preempt_check+0x1c/0x1f
[  249.720313]  __do_softirq+0x30b/0xad8
[  249.724122]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  249.729240]  ? trace_hardirqs_off+0xb8/0x310
[  249.733666]  ? schedule+0x108/0x460
[  249.737303]  ? __schedule+0x1ed0/0x1ed0
[  249.741274]  ? run_ksoftirqd+0x40/0x100
[  249.745250]  ? trace_hardirqs_off+0xb8/0x310
[  249.749675]  ? ___might_sleep+0x1ed/0x300
[  249.753848]  ? smpboot_thread_fn+0x68b/0xa00
[  249.758260]  ? trace_hardirqs_on+0x310/0x310
[  249.762672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.768211]  ? check_preemption_disabled+0x48/0x200
[  249.773228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.778767]  ? takeover_tasklets+0xa90/0xa90
[  249.783181]  run_ksoftirqd+0x94/0x100
[  249.786984]  smpboot_thread_fn+0x68b/0xa00
[  249.791235]  ? sort_range+0x30/0x30
[  249.794880]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.799998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.805571]  ? __kthread_parkme+0xfb/0x1a0
[  249.809814]  kthread+0x35a/0x420
[  249.813195]  ? sort_range+0x30/0x30
[  249.816844]  ? kthread_bind+0x40/0x40
[  249.820651]  ret_from_fork+0x3a/0x50
[  249.824391] warn_alloc_show_mem: 1 callbacks suppressed
[  249.824403] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  249.824405] Mem-Info:
[  249.824435] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  249.824435]  active_file:15 inactive_file:15 isolated_file:0
[  249.824435]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.824435]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  249.824435]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  249.824435]  free:13623 free_pcp:480 free_cma:0
[  249.829777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.837053] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.839449] Call Trace:
[  249.872503] Node 0 
[  249.881851]  <IRQ>
[  249.909643] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.912213]  dump_stack+0x1c4/0x2b4
[  249.914417] lowmem_reserve[]:
[  249.916562]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.942045]  0
[  249.945680]  warn_alloc.cold.119+0xb7/0x1bd
[  249.948761]  2819
[  249.953944]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.955718]  6323
[  249.960035]  ? lock_downgrade+0x900/0x900
[  249.962068]  6323
[  249.966904]  ? trace_hardirqs_off+0xb8/0x310
[  249.973080]  ? trace_hardirqs_off+0xb8/0x310
[  249.975120] Node 0 
[  249.979528]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.983932] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  249.986150]  ? warn_alloc+0x120/0x120
[  249.990956] lowmem_reserve[]:
[  250.017862]  ? trace_hardirqs_on+0x310/0x310
[  250.021632]  0
[  250.025100]  ? warn_alloc+0x120/0x120
[  250.029479]  0
[  250.031274]  ? warn_alloc+0x120/0x120
[  250.035051]  3503
[  250.036850]  ? ktime_get+0x2e1/0x440
[  250.040622]  3503
[  250.042683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.048442]  ? check_preemption_disabled+0x48/0x200
[  250.053948] Node 0 
[  250.058959]  ? kasan_check_read+0x11/0x20
[  250.058991] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  250.059004] lowmem_reserve[]:
[  250.061238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.065377]  0
[  250.093971]  ? should_fail+0x22d/0xd01
[  250.097063]  0
[  250.102592]  ? rcu_bh_qs+0xc0/0xc0
[  250.104371]  0
[  250.108263]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.110039]  0
[  250.113591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.120463]  ? should_fail+0x22d/0xd01
[  250.122238] Node 0 
[  250.127765]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.131627] DMA: 
[  250.133856]  ? should_fail+0x22d/0xd01
[  250.138932] 1*4kB 
[  250.141010]  ? rcu_idle_enter+0x4b0/0x4b0
[  250.144865] (U) 
[  250.147009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.151131] 0*8kB 
[  250.153099]  ? mark_held_locks+0x130/0x130
[  250.158171] 0*16kB 
[  250.160328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.164561] 1*32kB 
[  250.166790]  ? mark_held_locks+0x130/0x130
[  250.172316] (U) 
[  250.174549]  ? rcu_irq_exit+0xce/0x100
[  250.178768] 2*64kB 
[  250.180736]  ? irq_exit+0xbd/0x1c0
[  250.184595] (U) 
[  250.186827]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  250.190336] 1*128kB (U) 
[  250.192319]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.197303] 1*256kB 
[  250.199983]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.204366] (U) 
[  250.206685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.212540] 0*512kB 
[  250.214518]  ? ret_from_intr+0xb/0x1e
[  250.220027] 1*1024kB 
[  250.222341]  ? retint_kernel+0x2d/0x2d
[  250.226137] (U) 
[  250.228564]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.232421] 1*2048kB 
[  250.234413]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.239309] (M) 
[  250.241711]  ? trace_hardirqs_off+0x310/0x310
[  250.246441] 3*4096kB 
[  250.248415]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.252880] (M) 
[  250.255289]  __alloc_pages_nodemask+0xa80/0xde0
[  250.260362] = 15908kB
[  250.262371]  ? should_fail+0x22d/0xd01
[  250.267060] Node 0 
[  250.269482]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.273362] DMA32: 
[  250.275603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.280583] 3*4kB 
[  250.282813]  ? lock_downgrade+0x900/0x900
[  250.287464] (UM) 
[  250.289608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.293731] 2*8kB 
[  250.295786]  cache_grow_begin+0x91/0x8c0
[  250.301292] (UM) 
[  250.303440]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.307471] 2*16kB 
[  250.309526]  fallback_alloc+0x203/0x2e0
[  250.313904] (M) 
[  250.316148]  ____cache_alloc_node+0x1c7/0x1e0
[  250.320108] 2*32kB 
[  250.322093]  kmem_cache_alloc_node+0xe3/0x730
[  250.326562] (M) 
[  250.328798]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.333267] 4*64kB 
[  250.335237]  __alloc_skb+0x119/0x770
[  250.339451] (M) 
[  250.341691]  ? skb_scrub_packet+0x490/0x490
[  250.345396] 3*128kB 
[  250.347374]  ? lock_downgrade+0x900/0x900
[  250.351666] (M) 
[  250.353989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.358108] 4*256kB 
[  250.360083]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.365588] (UM) 
[  250.367902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.373362] 3*512kB 
[  250.375419]  ? addrconf_rs_timer+0x690/0x690
[  250.380841] (M) 
[  250.383173]  ndisc_alloc_skb+0x144/0x340
[  250.387555] 3*1024kB 
[  250.389523]  ndisc_send_rs+0x331/0x6e0
[  250.393555] (UM) 
[  250.395970]  addrconf_rs_timer+0x314/0x690
[  250.399829] 3*2048kB (M) 
[  250.401906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.406118] 3*4096kB 
[  250.408873]  call_timer_fn+0x272/0x920
[  250.413074] (M) 
[  250.415495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.419363] = 24828kB
[  250.421355]  ? process_timeout+0x40/0x40
[  250.425560] Node 0 
[  250.427966]  ? trace_hardirqs_off+0xb8/0x310
[  250.431999] Normal: 
[  250.434230]  ? kasan_check_read+0x11/0x20
[  250.438611] 1555*4kB 
[  250.440929]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.445048] (UMEH) 
[  250.447454]  ? trace_hardirqs_on+0x310/0x310
[  250.451835] 298*8kB 
[  250.454068]  ? __run_timers+0x7da/0xc70
[  250.458449] (ME) 
[  250.460774]  ? lock_downgrade+0x900/0x900
[  250.464720] 96*16kB 
[  250.466785]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.470899] (ME) 
[  250.473219]  ? trace_hardirqs_on+0xbd/0x310
[  250.478297] 43*32kB 
[  250.480366]  ? kasan_check_read+0x11/0x20
[  250.484658] (UME) 
[  250.486975]  ? __run_timers+0x7da/0xc70
[  250.491098] 31*64kB 
[  250.493263]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.497208] (UM) 
[  250.499534]  ? kasan_check_write+0x14/0x20
[  250.504955] 0*128kB 
[  250.507012]  ? do_raw_spin_lock+0xc1/0x200
[  250.511214] 1*256kB 
[  250.513530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.517735] (U) 
[  250.520086]  __run_timers+0x7e5/0xc70
[  250.524291] 0*512kB 
[  250.526269]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.530034] 0*1024kB 
[  250.532370]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.537716] 0*2048kB 
[  250.540123]  ? timerqueue_add+0x207/0x2b0
[  250.545103] 0*4096kB 
[  250.547511]  ? enqueue_hrtimer+0x1a5/0x560
[  250.551637] = 13756kB
[  250.554038]  ? lock_release+0x970/0x970
[  250.558250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  250.560648]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.564601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  250.573427]  ? kasan_check_write+0x14/0x20
[  250.578590] 3632 total pagecache pages
[  250.587160]  ? pvclock_read_flags+0x160/0x160
[  250.591369] 0 pages in swap cache
[  250.595262]  ? lock_downgrade+0x900/0x900
[  250.599731] Swap cache stats: add 0, delete 0, find 0/0
[  250.603180]  ? trace_hardirqs_on+0xbd/0x310
[  250.607299] Free swap  = 0kB
[  250.612655]  ? kvm_sched_clock_read+0x9/0x20
[  250.616960] Total swap = 0kB
[  250.619972]  ? irq_exit+0x17f/0x1c0
[  250.624358] 1965979 pages RAM
[  250.627378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.630992] 0 pages HighMem/MovableOnly
[  250.634091]  ? check_preemption_disabled+0x48/0x200
[  250.639597] 342307 pages reserved
[  250.643559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.648545] 0 pages cma reserved
[  250.652006]  run_timer_softirq+0x52/0xb0
[  250.657577] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.660878]  ? __this_cpu_preempt_check+0x1c/0x1f
[  250.664963] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.671389]  __do_softirq+0x30b/0xad8
[  250.676202] ksoftirqd/0 cpuset=
[  250.686530]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.690302] /
[  250.693576]  ? pvclock_read_flags+0x160/0x160
[  250.698652]  mems_allowed=0
[  250.700364]  ? lapic_next_event+0x5a/0x90
[  250.711903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.717454]  ? clockevents_program_event+0x140/0x370
[  250.722559]  ? kvm_clock_read+0x18/0x30
[  250.726531]  ? kvm_sched_clock_read+0x9/0x20
[  250.730941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.736482]  ? check_preemption_disabled+0x48/0x200
[  250.741502]  irq_exit+0x17f/0x1c0
[  250.744953]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.749803]  ? smp_reschedule_interrupt+0x109/0x650
[  250.754821]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.760726]  ? interrupt_entry+0xb5/0xf0
[  250.764791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.769822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.774841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.779681]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.784696]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.789725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.795263]  ? check_preemption_disabled+0x48/0x200
[  250.800274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.805826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.810694]  apic_timer_interrupt+0xf/0x20
[  250.814924]  </IRQ>
[  250.817165] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.822096] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  250.841000] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.848722] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  250.855989] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  250.863252] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  250.870520] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  250.877781] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  250.885070]  ? trace_hardirqs_on+0xb4/0x310
[  250.889404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.894945]  skb_clone+0x1bb/0x500
[  250.898488]  ? finish_task_switch+0x2f5/0x900
[  250.902989]  ? skb_split+0x11e0/0x11e0
[  250.906874]  ? preempt_notifier_register+0x200/0x200
[  250.911974]  ? __switch_to_asm+0x34/0x70
[  250.916029]  ? __switch_to_asm+0x34/0x70
[  250.920087]  ? __switch_to_asm+0x40/0x70
[  250.924149]  ? __switch_to_asm+0x34/0x70
[  250.928208]  ? __switch_to_asm+0x40/0x70
[  250.932268]  ? __switch_to_asm+0x34/0x70
[  250.936325]  ? __switch_to_asm+0x40/0x70
[  250.940420]  ? __switch_to_asm+0x34/0x70
[  250.944496]  ? __switch_to_asm+0x34/0x70
[  250.948552]  ? __switch_to_asm+0x40/0x70
[  250.952607]  ? __switch_to_asm+0x34/0x70
[  250.956675]  bpf_clone_redirect+0xb9/0x490
[  250.960938]  ? __schedule+0x874/0x1ed0
[  250.964842]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  250.969861]  ? __sched_text_start+0x8/0x8
[  250.974018]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.978786]  ? retint_kernel+0x2d/0x2d
[  250.982706]  ? lock_acquire+0x1ed/0x520
[  250.986681]  ? bpf_test_run+0x3cb/0x780
[  250.990658]  ? lock_release+0x970/0x970
[  250.994645]  ? preempt_schedule+0x4d/0x60
[  250.998791]  ? preempt_schedule_common+0x1f/0xd0
[  251.003557]  ? preempt_schedule+0x4d/0x60
[  251.007708]  ? ___preempt_schedule+0x16/0x18
[  251.012125]  ? bpf_test_run+0x25d/0x780
[  251.016104]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.020521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.026056]  ? bpf_test_init.isra.9+0x70/0x100
[  251.030653]  ? bpf_prog_test_run_skb+0x634/0xb40
[  251.035440]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.040280]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.045816]  ? fput+0x130/0x1a0
[  251.049098]  ? __bpf_prog_get+0x9b/0x290
[  251.053162]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.058003]  ? bpf_prog_test_run+0x130/0x1a0
[  251.062410]  ? __x64_sys_bpf+0x3d8/0x510
[  251.066473]  ? bpf_prog_get+0x20/0x20
[  251.070285]  ? do_syscall_64+0x1b9/0x820
[  251.074356]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.079735]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.084673]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.089698]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.094747]  ? recalc_sigpending_tsk+0x180/0x180
[  251.099512]  ? kasan_check_write+0x14/0x20
[  251.103751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.108604]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.113978] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  251.114044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.120814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.120818] Call Trace:
[  251.120839]  dump_stack+0x1c4/0x2b4
[  251.120856]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.127417] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.136698]  warn_alloc.cold.119+0xb7/0x1bd
[  251.139251] syz-executor4 cpuset=
[  251.142887]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.148064] syz4
[  251.158543]  ? lock_downgrade+0x900/0x900
[  251.162839]  mems_allowed=0
[  251.166281]  ? trace_hardirqs_off+0xb8/0x310
[  251.184520]  ? trace_hardirqs_off+0xb8/0x310
[  251.188937]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.193798]  ? warn_alloc+0x120/0x120
[  251.197596]  ? warn_alloc+0x120/0x120
[  251.201403]  ? warn_alloc+0x120/0x120
[  251.205231]  ? warn_alloc+0x120/0x120
[  251.209033]  ? warn_alloc+0x120/0x120
[  251.212837]  ? mark_held_locks+0x130/0x130
[  251.217070]  ? mark_held_locks+0x130/0x130
[  251.221307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.226858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.232399]  ? should_fail+0x22d/0xd01
[  251.236284]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.241387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.246919]  ? should_fail+0x22d/0xd01
[  251.250809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.255911]  ? should_fail+0x22d/0xd01
[  251.259804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.264911]  ? mark_held_locks+0x130/0x130
[  251.269145]  ? mark_held_locks+0x130/0x130
[  251.273386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.278924]  ? trace_hardirqs_off+0xb8/0x310
[  251.283333]  ? kasan_check_read+0x11/0x20
[  251.287488]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.291895]  ? trace_hardirqs_on+0x310/0x310
[  251.296300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.301839]  ? wq_watchdog_touch+0x9c/0xfe
[  251.306072]  ? io_serial_in+0x11/0x90
[  251.309875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.315421]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.320532]  __alloc_pages_nodemask+0xa80/0xde0
[  251.325228]  ? should_fail+0x22d/0xd01
[  251.329117]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.334150]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.338819]  ? lock_downgrade+0x900/0x900
[  251.342973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.348515]  cache_grow_begin+0x91/0x8c0
[  251.352579]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.356993]  fallback_alloc+0x203/0x2e0
[  251.360975]  ____cache_alloc_node+0x1c7/0x1e0
[  251.365477]  kmem_cache_alloc_node+0xe3/0x730
[  251.369974]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.374214]  __alloc_skb+0x119/0x770
[  251.377929]  ? skb_scrub_packet+0x490/0x490
[  251.382253]  ? lock_downgrade+0x900/0x900
[  251.386406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.391951]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.397406]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.402855]  ? addrconf_rs_timer+0x690/0x690
[  251.407267]  ndisc_alloc_skb+0x144/0x340
[  251.411389]  ndisc_send_rs+0x331/0x6e0
[  251.415281]  addrconf_rs_timer+0x314/0x690
[  251.419543]  ? lock_release+0x970/0x970
[  251.423517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.427771]  call_timer_fn+0x272/0x920
[  251.431667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.436113]  ? process_timeout+0x40/0x40
[  251.440180]  ? kasan_check_read+0x11/0x20
[  251.444328]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.448744]  ? trace_hardirqs_on+0x310/0x310
[  251.453152]  ? __run_timers+0x7da/0xc70
[  251.457124]  ? lock_downgrade+0x900/0x900
[  251.461276]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.466398]  ? trace_hardirqs_on+0xbd/0x310
[  251.470720]  ? kasan_check_read+0x11/0x20
[  251.474867]  ? __run_timers+0x7da/0xc70
[  251.478844]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.484294]  ? kasan_check_write+0x14/0x20
[  251.488564]  ? do_raw_spin_lock+0xc1/0x200
[  251.492805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.497039]  __run_timers+0x7e5/0xc70
[  251.500861]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  251.506222]  ? compat_start_thread+0x80/0x80
[  251.510628]  ? dequeue_entity+0x1770/0x1770
[  251.514952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.520518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.526064]  ? _raw_spin_unlock_irq+0x60/0x80
[  251.530594]  ? finish_task_switch+0x1f5/0x900
[  251.535094]  ? finish_task_switch+0x1b5/0x900
[  251.539605]  ? __switch_to_asm+0x34/0x70
[  251.543674]  ? preempt_notifier_register+0x200/0x200
[  251.548780]  ? __switch_to_asm+0x34/0x70
[  251.552857]  ? __switch_to_asm+0x40/0x70
[  251.556917]  ? __switch_to_asm+0x34/0x70
[  251.561005]  ? __switch_to_asm+0x40/0x70
[  251.565065]  ? __switch_to_asm+0x34/0x70
[  251.569236]  ? __switch_to_asm+0x40/0x70
[  251.573302]  ? __switch_to_asm+0x40/0x70
[  251.577374]  ? pvclock_read_flags+0x160/0x160
[  251.581870]  ? __schedule+0x874/0x1ed0
[  251.585755]  ? run_rebalance_domains+0x38d/0x500
[  251.590511]  ? trace_hardirqs_on+0xbd/0x310
[  251.594832]  ? kvm_sched_clock_read+0x9/0x20
[  251.599239]  ? run_ksoftirqd+0x94/0x100
[  251.603214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.608767]  ? check_preemption_disabled+0x48/0x200
[  251.613780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.619319]  run_timer_softirq+0x52/0xb0
[  251.623405]  ? __this_cpu_preempt_check+0x1c/0x1f
[  251.628247]  __do_softirq+0x30b/0xad8
[  251.632052]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  251.637153]  ? trace_hardirqs_off+0xb8/0x310
[  251.641577]  ? schedule+0x108/0x460
[  251.645200]  ? __schedule+0x1ed0/0x1ed0
[  251.649189]  ? run_ksoftirqd+0x40/0x100
[  251.653178]  ? trace_hardirqs_off+0xb8/0x310
[  251.657588]  ? ___might_sleep+0x1ed/0x300
[  251.661780]  ? smpboot_thread_fn+0x68b/0xa00
[  251.666203]  ? trace_hardirqs_on+0x310/0x310
[  251.670617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.676155]  ? check_preemption_disabled+0x48/0x200
[  251.681172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.686711]  ? takeover_tasklets+0xa90/0xa90
[  251.691119]  run_ksoftirqd+0x94/0x100
[  251.694920]  smpboot_thread_fn+0x68b/0xa00
[  251.699153]  ? sort_range+0x30/0x30
[  251.702796]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.707898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.713437]  ? __kthread_parkme+0xfb/0x1a0
[  251.717676]  kthread+0x35a/0x420
[  251.721058]  ? sort_range+0x30/0x30
[  251.724681]  ? kthread_bind+0x40/0x40
[  251.728488]  ret_from_fork+0x3a/0x50
[  251.732208] warn_alloc_show_mem: 1 callbacks suppressed
[  251.732221] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  251.732223] Mem-Info:
[  251.732254] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  251.732254]  active_file:15 inactive_file:15 isolated_file:0
[  251.732254]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.732254]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  251.732254]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  251.732254]  free:13623 free_pcp:480 free_cma:0
[  251.737596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.744877] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.747274] Call Trace:
[  251.780344] Node 0 
[  251.789699]  <IRQ>
[  251.817472] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  251.820050]  dump_stack+0x1c4/0x2b4
[  251.822253] lowmem_reserve[]:
[  251.824395]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.849886]  0
[  251.853525]  warn_alloc.cold.119+0xb7/0x1bd
[  251.856589]  2819
[  251.861785]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.863558]  6323
[  251.867873]  ? lock_downgrade+0x900/0x900
[  251.869932]  6323
[  251.874802]  ? trace_hardirqs_off+0xb8/0x310
[  251.880994]  ? trace_hardirqs_off+0xb8/0x310
[  251.883032] Node 0 
[  251.887438]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.891840] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  251.894071]  ? warn_alloc+0x120/0x120
[  251.898872] lowmem_reserve[]:
[  251.925806]  ? trace_hardirqs_on+0x310/0x310
[  251.929578]  0
[  251.932677]  ? warn_alloc+0x120/0x120
[  251.937054]  0
[  251.938870]  ? warn_alloc+0x120/0x120
[  251.942644]  3503
[  251.944444]  ? ktime_get+0x2e1/0x440
[  251.948216]  3503
[  251.950274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.956018]  ? check_preemption_disabled+0x48/0x200
[  251.961524] Node 0 
[  251.966561]  ? kasan_check_read+0x11/0x20
[  251.966591] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  251.966598] lowmem_reserve[]:
[  251.968837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.972960]  0
[  252.001533]  ? should_fail+0x22d/0xd01
[  252.004615]  0
[  252.010149]  ? rcu_bh_qs+0xc0/0xc0
[  252.011922]  0
[  252.015807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.017579]  0
[  252.021126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.027991]  ? should_fail+0x22d/0xd01
[  252.029770] Node 0 
[  252.035390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.039246] DMA: 
[  252.041490]  ? should_fail+0x22d/0xd01
[  252.046569] 1*4kB 
[  252.048626]  ? rcu_idle_enter+0x4b0/0x4b0
[  252.048642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.052502] (U) 
[  252.054653]  ? mark_held_locks+0x130/0x130
[  252.058773] 0*8kB 
[  252.063870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.065816] 0*16kB 
[  252.070045]  ? mark_held_locks+0x130/0x130
[  252.072168] 1*32kB 
[  252.077705]  ? rcu_irq_exit+0xce/0x100
[  252.079914] (U) 
[  252.084176]  ? irq_exit+0xbd/0x1c0
[  252.086384] 2*64kB 
[  252.090264]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  252.092214] (U) 
[  252.095743]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.097951] 1*128kB 
[  252.102955]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.104906] (U) 
[  252.109309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.111604] 1*256kB 
[  252.117479]  ? ret_from_intr+0xb/0x1e
[  252.119438] (U) 
[  252.124973]  ? retint_kernel+0x2d/0x2d
[  252.127272] 0*512kB 
[  252.131065]  ? trace_hardirqs_on_caller+0xc0/0x310
[  252.133030] 1*1024kB 
[  252.136911]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.139204] (U) 
[  252.144124]  ? trace_hardirqs_off+0x310/0x310
[  252.146509] 1*2048kB 
[  252.151256]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.153198] (M) 
[  252.157687]  __alloc_pages_nodemask+0xa80/0xde0
[  252.160066] 3*4096kB 
[  252.165177]  ? should_fail+0x22d/0xd01
[  252.167122] (M) 
[  252.171782]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.174165] = 15908kB
[  252.178063]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.180003] Node 0 
[  252.185014]  ? lock_downgrade+0x900/0x900
[  252.187404] DMA32: 
[  252.192068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.194276] 3*4kB 
[  252.198419]  cache_grow_begin+0x91/0x8c0
[  252.200643] (UM) 
[  252.206173]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.208313] 2*8kB 
[  252.212388]  fallback_alloc+0x203/0x2e0
[  252.214422] (UM) 
[  252.218848]  ____cache_alloc_node+0x1c7/0x1e0
[  252.220973] 2*16kB 
[  252.224937]  kmem_cache_alloc_node+0xe3/0x730
[  252.226976] (M) 
[  252.231465]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.233675] 2*32kB 
[  252.238177]  __alloc_skb+0x119/0x770
[  252.240124] (M) 
[  252.244366]  ? skb_scrub_packet+0x490/0x490
[  252.246581] 4*64kB 
[  252.250293]  ? lock_downgrade+0x900/0x900
[  252.252239] (M) 
[  252.256555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.258768] 3*128kB 
[  252.262913]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.264859] (M) 
[  252.270390]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.272687] 4*256kB 
[  252.278136]  ? addrconf_rs_timer+0x690/0x690
[  252.280085] (UM) 
[  252.285551]  ndisc_alloc_skb+0x144/0x340
[  252.287863] 3*512kB 
[  252.292278]  ndisc_send_rs+0x331/0x6e0
[  252.294316] (M) 
[  252.298388]  addrconf_rs_timer+0x314/0x690
[  252.300701] 3*1024kB 
[  252.304584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.306535] (UM) 
[  252.310766]  call_timer_fn+0x272/0x920
[  252.313151] 3*2048kB 
[  252.317381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.319418] (M) 
[  252.323296]  ? process_timeout+0x40/0x40
[  252.325682] 3*4096kB 
[  252.329910]  ? trace_hardirqs_off+0xb8/0x310
[  252.331856] (M) 
[  252.335914]  ? kasan_check_read+0x11/0x20
[  252.338302] = 24828kB
[  252.342704]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.344650] Node 0 
[  252.348790]  ? trace_hardirqs_on+0x310/0x310
[  252.351190] Normal: 
[  252.355593]  ? __run_timers+0x7da/0xc70
[  252.357801] 1555*4kB 
[  252.362203]  ? lock_downgrade+0x900/0x900
[  252.364499] (UMEH) 
[  252.368470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.370854] 298*8kB 
[  252.375007]  ? trace_hardirqs_on+0xbd/0x310
[  252.377219] (ME) 
[  252.382343]  ? kasan_check_read+0x11/0x20
[  252.384645] 96*16kB 
[  252.388959]  ? __run_timers+0x7da/0xc70
[  252.390996] (ME) 
[  252.395142]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.397452] 43*32kB 
[  252.401424]  ? kasan_check_write+0x14/0x20
[  252.403461] (UME) 
[  252.408904]  ? do_raw_spin_lock+0xc1/0x200
[  252.411203] 31*64kB 
[  252.415432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.417552] (UM) 
[  252.421815]  __run_timers+0x7e5/0xc70
[  252.424119] 0*128kB 
[  252.428399]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.430433] 1*256kB 
[  252.434245]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.436551] (U) 
[  252.441907]  ? timerqueue_add+0x207/0x2b0
[  252.444203] 0*512kB 
[  252.449213]  ? enqueue_hrtimer+0x1a5/0x560
[  252.451163] 0*1024kB 
[  252.455335]  ? lock_release+0x970/0x970
[  252.457637] 0*2048kB 
[  252.461863]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.464252] 0*4096kB 
[  252.468241]  ? kasan_check_write+0x14/0x20
[  252.470623] = 13756kB
[  252.475805]  ? pvclock_read_flags+0x160/0x160
[  252.478198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.482422]  ? lock_downgrade+0x900/0x900
[  252.484813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.489298]  ? trace_hardirqs_on+0xbd/0x310
[  252.498105] 3632 total pagecache pages
[  252.502256]  ? kvm_sched_clock_read+0x9/0x20
[  252.510798] 0 pages in swap cache
[  252.515123]  ? irq_exit+0x17f/0x1c0
[  252.518978] Swap cache stats: add 0, delete 0, find 0/0
[  252.523387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.526813] Free swap  = 0kB
[  252.530440]  ? check_preemption_disabled+0x48/0x200
[  252.535777] Total swap = 0kB
[  252.541311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.544298] 1965979 pages RAM
[  252.549313]  run_timer_softirq+0x52/0xb0
[  252.552305] 0 pages HighMem/MovableOnly
[  252.557835]  ? __this_cpu_preempt_check+0x1c/0x1f
[  252.560909] 342307 pages reserved
[  252.564963]  __do_softirq+0x30b/0xad8
[  252.568911] 0 pages cma reserved
[  252.573762]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.577274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.580978]  ? pvclock_read_flags+0x160/0x160
[  252.584398] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.589435]  ? lapic_next_event+0x5a/0x90
[  252.595901] ksoftirqd/0 cpuset=
[  252.600396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.610706] /
[  252.614850]  ? clockevents_program_event+0x140/0x370
[  252.618103]  mems_allowed=0
[  252.623633]  ? kvm_clock_read+0x18/0x30
[  252.637299]  ? kvm_sched_clock_read+0x9/0x20
[  252.641722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.647260]  ? check_preemption_disabled+0x48/0x200
[  252.652283]  irq_exit+0x17f/0x1c0
[  252.655752]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.660590]  ? smp_reschedule_interrupt+0x109/0x650
[  252.665603]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.671490]  ? interrupt_entry+0xb5/0xf0
[  252.675573]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.680588]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.685618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.690457]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.695471]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.700485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.706025]  ? check_preemption_disabled+0x48/0x200
[  252.711041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.716581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.721429]  apic_timer_interrupt+0xf/0x20
[  252.725659]  </IRQ>
[  252.727897] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.732826] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  252.751731] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.759455] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  252.766725] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  252.774002] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  252.781270] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  252.788533] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  252.795823]  ? trace_hardirqs_on+0xb4/0x310
[  252.800155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.805714]  skb_clone+0x1bb/0x500
[  252.809256]  ? finish_task_switch+0x2f5/0x900
[  252.813749]  ? skb_split+0x11e0/0x11e0
[  252.817640]  ? preempt_notifier_register+0x200/0x200
[  252.822743]  ? __switch_to_asm+0x34/0x70
[  252.826819]  ? __switch_to_asm+0x34/0x70
[  252.830877]  ? __switch_to_asm+0x40/0x70
[  252.834934]  ? __switch_to_asm+0x34/0x70
[  252.838992]  ? __switch_to_asm+0x40/0x70
[  252.843056]  ? __switch_to_asm+0x34/0x70
[  252.847118]  ? __switch_to_asm+0x40/0x70
[  252.851178]  ? __switch_to_asm+0x34/0x70
[  252.855238]  ? __switch_to_asm+0x34/0x70
[  252.859299]  ? __switch_to_asm+0x40/0x70
[  252.863365]  ? __switch_to_asm+0x34/0x70
[  252.867433]  bpf_clone_redirect+0xb9/0x490
[  252.871669]  ? __schedule+0x874/0x1ed0
[  252.875564]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  252.880582]  ? __sched_text_start+0x8/0x8
[  252.884733]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.889495]  ? retint_kernel+0x2d/0x2d
[  252.893405]  ? lock_acquire+0x1ed/0x520
[  252.897388]  ? bpf_test_run+0x3cb/0x780
[  252.901376]  ? lock_release+0x970/0x970
[  252.905360]  ? preempt_schedule+0x4d/0x60
[  252.909522]  ? preempt_schedule_common+0x1f/0xd0
[  252.914279]  ? preempt_schedule+0x4d/0x60
[  252.918430]  ? ___preempt_schedule+0x16/0x18
[  252.922859]  ? bpf_test_run+0x25d/0x780
[  252.926840]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.931255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.936807]  ? bpf_test_init.isra.9+0x70/0x100
[  252.941391]  ? bpf_prog_test_run_skb+0x634/0xb40
[  252.946193]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  252.951048]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.956588]  ? fput+0x130/0x1a0
[  252.959871]  ? __bpf_prog_get+0x9b/0x290
[  252.963935]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  252.968775]  ? bpf_prog_test_run+0x130/0x1a0
[  252.973188]  ? __x64_sys_bpf+0x3d8/0x510
[  252.977247]  ? bpf_prog_get+0x20/0x20
[  252.981061]  ? do_syscall_64+0x1b9/0x820
[  252.985131]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  252.990506]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.995455]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.000473]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.005491]  ? recalc_sigpending_tsk+0x180/0x180
[  253.010246]  ? kasan_check_write+0x14/0x20
[  253.014484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.019356]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.024737] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  253.024803] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.031573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.031577] Call Trace:
[  253.031599]  dump_stack+0x1c4/0x2b4
[  253.031637]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.038212] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.047560]  warn_alloc.cold.119+0xb7/0x1bd
[  253.050115] syz-executor4 cpuset=
[  253.053736]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.058898] syz4
[  253.069389]  ? lock_downgrade+0x900/0x900
[  253.073705]  mems_allowed=0
[  253.077149]  ? trace_hardirqs_off+0xb8/0x310
[  253.095383]  ? trace_hardirqs_off+0xb8/0x310
[  253.099802]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.104674]  ? warn_alloc+0x120/0x120
[  253.108472]  ? warn_alloc+0x120/0x120
[  253.112288]  ? warn_alloc+0x120/0x120
[  253.116084]  ? warn_alloc+0x120/0x120
[  253.119883]  ? warn_alloc+0x120/0x120
[  253.123688]  ? mark_held_locks+0x130/0x130
[  253.127922]  ? mark_held_locks+0x130/0x130
[  253.132159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.137725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.143276]  ? should_fail+0x22d/0xd01
[  253.147162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.152279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.157815]  ? should_fail+0x22d/0xd01
[  253.161729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.166835]  ? should_fail+0x22d/0xd01
[  253.170743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.175868]  ? mark_held_locks+0x130/0x130
[  253.180107]  ? mark_held_locks+0x130/0x130
[  253.184378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.189918]  ? trace_hardirqs_off+0xb8/0x310
[  253.194359]  ? kasan_check_read+0x11/0x20
[  253.198537]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.202942]  ? trace_hardirqs_on+0x310/0x310
[  253.207359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.213245]  ? wq_watchdog_touch+0x9c/0xfe
[  253.217483]  ? io_serial_in+0x11/0x90
[  253.221285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.226842]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.231955]  __alloc_pages_nodemask+0xa80/0xde0
[  253.236628]  ? should_fail+0x22d/0xd01
[  253.240550]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.245593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.250268]  ? lock_downgrade+0x900/0x900
[  253.254425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.260010]  cache_grow_begin+0x91/0x8c0
[  253.264069]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.268479]  fallback_alloc+0x203/0x2e0
[  253.272474]  ____cache_alloc_node+0x1c7/0x1e0
[  253.277003]  kmem_cache_alloc_node+0xe3/0x730
[  253.281504]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.285742]  __alloc_skb+0x119/0x770
[  253.289460]  ? skb_scrub_packet+0x490/0x490
[  253.293797]  ? lock_downgrade+0x900/0x900
[  253.297951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.303517]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.308985]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.314461]  ? addrconf_rs_timer+0x690/0x690
[  253.318889]  ndisc_alloc_skb+0x144/0x340
[  253.322952]  ndisc_send_rs+0x331/0x6e0
[  253.326840]  addrconf_rs_timer+0x314/0x690
[  253.331076]  ? lock_release+0x970/0x970
[  253.335051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.339288]  call_timer_fn+0x272/0x920
[  253.343169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.347403]  ? process_timeout+0x40/0x40
[  253.351466]  ? kasan_check_read+0x11/0x20
[  253.355631]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.360037]  ? trace_hardirqs_on+0x310/0x310
[  253.364444]  ? __run_timers+0x7da/0xc70
[  253.368416]  ? lock_downgrade+0x900/0x900
[  253.372605]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.377714]  ? trace_hardirqs_on+0xbd/0x310
[  253.382034]  ? kasan_check_read+0x11/0x20
[  253.386182]  ? __run_timers+0x7da/0xc70
[  253.390156]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.395614]  ? kasan_check_write+0x14/0x20
[  253.399869]  ? do_raw_spin_lock+0xc1/0x200
[  253.404101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.408334]  __run_timers+0x7e5/0xc70
[  253.412175]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.417540]  ? compat_start_thread+0x80/0x80
[  253.422003]  ? dequeue_entity+0x1770/0x1770
[  253.426325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.431866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.437670]  ? _raw_spin_unlock_irq+0x60/0x80
[  253.442165]  ? finish_task_switch+0x1f5/0x900
[  253.446657]  ? finish_task_switch+0x1b5/0x900
[  253.451149]  ? __switch_to_asm+0x34/0x70
[  253.455208]  ? preempt_notifier_register+0x200/0x200
[  253.460309]  ? __switch_to_asm+0x34/0x70
[  253.464377]  ? __switch_to_asm+0x40/0x70
[  253.468437]  ? __switch_to_asm+0x34/0x70
[  253.472493]  ? __switch_to_asm+0x40/0x70
[  253.476550]  ? __switch_to_asm+0x34/0x70
[  253.480629]  ? __switch_to_asm+0x40/0x70
[  253.484688]  ? __switch_to_asm+0x40/0x70
[  253.488767]  ? pvclock_read_flags+0x160/0x160
[  253.493278]  ? __schedule+0x874/0x1ed0
[  253.497162]  ? run_rebalance_domains+0x38d/0x500
[  253.501923]  ? trace_hardirqs_on+0xbd/0x310
[  253.506242]  ? kvm_sched_clock_read+0x9/0x20
[  253.510653]  ? run_ksoftirqd+0x94/0x100
[  253.514639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.520199]  ? check_preemption_disabled+0x48/0x200
[  253.525225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.530793]  run_timer_softirq+0x52/0xb0
[  253.534857]  ? __this_cpu_preempt_check+0x1c/0x1f
[  253.539698]  __do_softirq+0x30b/0xad8
[  253.543523]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.548633]  ? trace_hardirqs_off+0xb8/0x310
[  253.553046]  ? schedule+0x108/0x460
[  253.556671]  ? __schedule+0x1ed0/0x1ed0
[  253.560643]  ? run_ksoftirqd+0x40/0x100
[  253.564622]  ? trace_hardirqs_off+0xb8/0x310
[  253.569213]  ? ___might_sleep+0x1ed/0x300
[  253.573378]  ? smpboot_thread_fn+0x68b/0xa00
[  253.577781]  ? trace_hardirqs_on+0x310/0x310
[  253.582200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.587739]  ? check_preemption_disabled+0x48/0x200
[  253.592750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.598285]  ? takeover_tasklets+0xa90/0xa90
[  253.602691]  run_ksoftirqd+0x94/0x100
[  253.606519]  smpboot_thread_fn+0x68b/0xa00
[  253.610768]  ? sort_range+0x30/0x30
[  253.614398]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.619498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.625037]  ? __kthread_parkme+0xfb/0x1a0
[  253.629276]  kthread+0x35a/0x420
[  253.632639]  ? sort_range+0x30/0x30
[  253.636261]  ? kthread_bind+0x40/0x40
[  253.640059]  ret_from_fork+0x3a/0x50
[  253.643795] warn_alloc_show_mem: 1 callbacks suppressed
[  253.643809] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  253.643810] Mem-Info:
[  253.643841] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  253.643841]  active_file:15 inactive_file:15 isolated_file:0
[  253.643841]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.643841]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  253.643841]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  253.643841]  free:13623 free_pcp:480 free_cma:0
[  253.649187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.656463] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  253.658858] Call Trace:
[  253.691906] Node 0 
[  253.701274]  <IRQ>
[  253.729146] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  253.731713]  dump_stack+0x1c4/0x2b4
[  253.733916] lowmem_reserve[]:
[  253.736060]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.761541]  0
[  253.765190]  warn_alloc.cold.119+0xb7/0x1bd
[  253.768255]  2819
[  253.773434]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.775209]  6323
[  253.779521]  ? lock_downgrade+0x900/0x900
[  253.781559]  6323
[  253.786397]  ? trace_hardirqs_off+0xb8/0x310
[  253.792568]  ? trace_hardirqs_off+0xb8/0x310
[  253.794606] Node 0 
[  253.799023]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.803426] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  253.805643]  ? warn_alloc+0x120/0x120
[  253.810444] lowmem_reserve[]:
[  253.837342]  ? trace_hardirqs_on+0x310/0x310
[  253.841116]  0 0
[  253.844225]  ? warn_alloc+0x120/0x120
[  253.848604]  3503
[  253.850587]  ? warn_alloc+0x120/0x120
[  253.854372]  3503
[  253.856427]  ? ktime_get+0x2e1/0x440
[  253.862257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.865941] Node 0 
[  253.871466]  ? check_preemption_disabled+0x48/0x200
[  253.871499] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  253.873708]  ? kasan_check_read+0x11/0x20
[  253.878692] lowmem_reserve[]:
[  253.907243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.911365]  0
[  253.914468]  ? should_fail+0x22d/0xd01
[  253.919994]  0
[  253.921804]  ? rcu_bh_qs+0xc0/0xc0
[  253.925662]  0
[  253.927460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.930970]  0
[  253.932784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.939658]  ? should_fail+0x22d/0xd01
[  253.945167] Node 0 DMA: 
[  253.949044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.949059]  ? should_fail+0x22d/0xd01
[  253.951711] 1*4kB 
[  253.956809]  ? rcu_idle_enter+0x4b0/0x4b0
[  253.960667] (U) 
[  253.962811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.966931] 0*8kB 
[  253.968901]  ? mark_held_locks+0x130/0x130
[  253.973988] 0*16kB 
[  253.976140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.980356] 1*32kB 
[  253.982583]  ? mark_held_locks+0x130/0x130
[  253.988094] (U) 
[  253.990333]  ? rcu_irq_exit+0xce/0x100
[  253.994538] 2*64kB 
[  253.996506]  ? irq_exit+0xbd/0x1c0
[  254.000370] (U) 
[  254.002600]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  254.006135] 1*128kB 
[  254.008104]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.013090] (U) 
[  254.015436]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.019820] 1*256kB 
[  254.021794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.027648] (U) 
[  254.029980]  ? ret_from_intr+0xb/0x1e
[  254.035491] 0*512kB 
[  254.037459]  ? retint_kernel+0x2d/0x2d
[  254.041234] 1*1024kB 
[  254.043554]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.047412] (U) 
[  254.049820]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.054720] 1*2048kB 
[  254.056687]  ? trace_hardirqs_off+0x310/0x310
[  254.061414] (M) 
[  254.063821]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.068286] 3*4096kB 
[  254.070255]  __alloc_pages_nodemask+0xa80/0xde0
[  254.075326] (M) 
[  254.077752]  ? should_fail+0x22d/0xd01
[  254.082395] = 15908kB
[  254.084392]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.088251] Node 0 
[  254.090664]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.095644] DMA32: 
[  254.097878]  ? lock_downgrade+0x900/0x900
[  254.102520] 3*4kB 
[  254.104749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.108864] (UM) 
[  254.111011]  cache_grow_begin+0x91/0x8c0
[  254.116518] 2*8kB 
[  254.118574]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.122605] (UM) 
[  254.124746]  fallback_alloc+0x203/0x2e0
[  254.129138] 2*16kB 
[  254.131189]  ____cache_alloc_node+0x1c7/0x1e0
[  254.135136] (M) 
[  254.137386]  kmem_cache_alloc_node+0xe3/0x730
[  254.141856] 2*32kB 
[  254.143823]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.148287] (M) 
[  254.150519]  __alloc_skb+0x119/0x770
[  254.154762] 4*64kB 
[  254.156747]  ? skb_scrub_packet+0x490/0x490
[  254.160433] (M) 
[  254.162681]  ? lock_downgrade+0x900/0x900
[  254.166972] 3*128kB 
[  254.168944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.173059] (M) 
[  254.175385]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.180894] 4*256kB 
[  254.182860]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.188282] (UM) 
[  254.190601]  ? addrconf_rs_timer+0x690/0x690
[  254.196028] 3*512kB 
[  254.198085]  ndisc_alloc_skb+0x144/0x340
[  254.202459] (M) 
[  254.204769]  ndisc_send_rs+0x331/0x6e0
[  254.208802] 3*1024kB 
[  254.210771]  addrconf_rs_timer+0x314/0x690
[  254.214634] (UM) 
[  254.217037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.221251] 3*2048kB 
[  254.223313]  call_timer_fn+0x272/0x920
[  254.227517] (M) 
[  254.229926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.233787] 3*4096kB 
[  254.235754]  ? process_timeout+0x40/0x40
[  254.239959] (M) 
[  254.242385]  ? trace_hardirqs_off+0xb8/0x310
[  254.246417] = 24828kB
[  254.248390]  ? kasan_check_read+0x11/0x20
[  254.252769] Node 0 
[  254.255172]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.259288] Normal: 
[  254.261516]  ? trace_hardirqs_on+0x310/0x310
[  254.265897] 1555*4kB 
[  254.268230]  ? __run_timers+0x7da/0xc70
[  254.272606] (UMEH) 
[  254.275009]  ? lock_downgrade+0x900/0x900
[  254.278955] 298*8kB 
[  254.281189]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.285306] (ME) 
[  254.287631]  ? trace_hardirqs_on+0xbd/0x310
[  254.292708] 96*16kB 
[  254.294768]  ? kasan_check_read+0x11/0x20
[  254.299056] (ME) 
[  254.301382]  ? __run_timers+0x7da/0xc70
[  254.305504] 43*32kB 
[  254.307579]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.311539] (UME) 
[  254.313859]  ? kasan_check_write+0x14/0x20
[  254.319280] 31*64kB 
[  254.321424]  ? do_raw_spin_lock+0xc1/0x200
[  254.325630] (UM) 
[  254.327964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.332171] 0*128kB 
[  254.334228]  __run_timers+0x7e5/0xc70
[  254.338434] 1*256kB 
[  254.340769]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.344534] (U) 
[  254.346855]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.352204] 0*512kB 
[  254.354174]  ? timerqueue_add+0x207/0x2b0
[  254.359160] 0*1024kB 
[  254.361495]  ? enqueue_hrtimer+0x1a5/0x560
[  254.365638] 0*2048kB 
[  254.368041]  ? lock_release+0x970/0x970
[  254.372247] 0*4096kB 
[  254.374650]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.378596] = 13756kB
[  254.381001]  ? kasan_check_write+0x14/0x20
[  254.386165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.388566]  ? pvclock_read_flags+0x160/0x160
[  254.392777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.401602]  ? lock_downgrade+0x900/0x900
[  254.406078] 3632 total pagecache pages
[  254.414665]  ? trace_hardirqs_on+0xbd/0x310
[  254.418779] 0 pages in swap cache
[  254.422660]  ? kvm_sched_clock_read+0x9/0x20
[  254.426973] Swap cache stats: add 0, delete 0, find 0/0
[  254.430415]  ? irq_exit+0x17f/0x1c0
[  254.434809] Free swap  = 0kB
[  254.440169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.443815] Total swap = 0kB
[  254.446859]  ? check_preemption_disabled+0x48/0x200
[  254.452372] 1965979 pages RAM
[  254.455404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.460391] 0 pages HighMem/MovableOnly
[  254.463491]  run_timer_softirq+0x52/0xb0
[  254.468998] 342307 pages reserved
[  254.472966]  ? __this_cpu_preempt_check+0x1c/0x1f
[  254.476995] 0 pages cma reserved
[  254.480439]  __do_softirq+0x30b/0xad8
[  254.485324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.488634]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.488653]  ? pvclock_read_flags+0x160/0x160
[  254.492488] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.498915]  ? lapic_next_event+0x5a/0x90
[  254.504004] ksoftirqd/0 cpuset=
[  254.508511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.518811] /
[  254.522956]  ? clockevents_program_event+0x140/0x370
[  254.526222]  mems_allowed=0
[  254.531749]  ? kvm_clock_read+0x18/0x30
[  254.545428]  ? kvm_sched_clock_read+0x9/0x20
[  254.549840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.555384]  ? check_preemption_disabled+0x48/0x200
[  254.560409]  irq_exit+0x17f/0x1c0
[  254.563862]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.568698]  ? smp_reschedule_interrupt+0x109/0x650
[  254.573710]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.579590]  ? interrupt_entry+0xb5/0xf0
[  254.583646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.588672]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.593686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.598527]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.603537]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.608581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.614122]  ? check_preemption_disabled+0x48/0x200
[  254.619136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.624694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.629557]  apic_timer_interrupt+0xf/0x20
[  254.633806]  </IRQ>
[  254.636065] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  254.640996] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  254.659911] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.667619] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  254.674883] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  254.682146] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  254.689409] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  254.696677] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  254.703969]  ? trace_hardirqs_on+0xb4/0x310
[  254.708296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.713835]  skb_clone+0x1bb/0x500
[  254.717395]  ? finish_task_switch+0x2f5/0x900
[  254.721900]  ? skb_split+0x11e0/0x11e0
[  254.725786]  ? preempt_notifier_register+0x200/0x200
[  254.730887]  ? __switch_to_asm+0x34/0x70
[  254.734946]  ? __switch_to_asm+0x34/0x70
[  254.739002]  ? __switch_to_asm+0x40/0x70
[  254.743057]  ? __switch_to_asm+0x34/0x70
[  254.747144]  ? __switch_to_asm+0x40/0x70
[  254.751200]  ? __switch_to_asm+0x34/0x70
[  254.755258]  ? __switch_to_asm+0x40/0x70
[  254.759318]  ? __switch_to_asm+0x34/0x70
[  254.763385]  ? __switch_to_asm+0x34/0x70
[  254.767442]  ? __switch_to_asm+0x40/0x70
[  254.771519]  ? __switch_to_asm+0x34/0x70
[  254.775587]  bpf_clone_redirect+0xb9/0x490
[  254.779819]  ? __schedule+0x874/0x1ed0
[  254.783720]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  254.788747]  ? __sched_text_start+0x8/0x8
[  254.792901]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.797677]  ? retint_kernel+0x2d/0x2d
[  254.801579]  ? lock_acquire+0x1ed/0x520
[  254.805585]  ? bpf_test_run+0x3cb/0x780
[  254.809560]  ? lock_release+0x970/0x970
[  254.813534]  ? preempt_schedule+0x4d/0x60
[  254.817694]  ? preempt_schedule_common+0x1f/0xd0
[  254.822467]  ? preempt_schedule+0x4d/0x60
[  254.826614]  ? ___preempt_schedule+0x16/0x18
[  254.831027]  ? bpf_test_run+0x25d/0x780
[  254.835003]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.839444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.844994]  ? bpf_test_init.isra.9+0x70/0x100
[  254.849575]  ? bpf_prog_test_run_skb+0x634/0xb40
[  254.854331]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  254.859178]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.864717]  ? fput+0x130/0x1a0
[  254.868013]  ? __bpf_prog_get+0x9b/0x290
[  254.872075]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  254.876913]  ? bpf_prog_test_run+0x130/0x1a0
[  254.881322]  ? __x64_sys_bpf+0x3d8/0x510
[  254.885391]  ? bpf_prog_get+0x20/0x20
[  254.889205]  ? do_syscall_64+0x1b9/0x820
[  254.893266]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.898629]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.903562]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.908607]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.913623]  ? recalc_sigpending_tsk+0x180/0x180
[  254.918385]  ? kasan_check_write+0x14/0x20
[  254.922628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.927483]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.932860] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  254.932948] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.939711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.939715] Call Trace:
[  254.939737]  dump_stack+0x1c4/0x2b4
[  254.939754]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.946298] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.955581]  warn_alloc.cold.119+0xb7/0x1bd
[  254.958134] syz-executor4 cpuset=
[  254.961767]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.966929] syz4
[  254.977418]  ? lock_downgrade+0x900/0x900
[  254.981715]  mems_allowed=0
[  254.987508]  ? trace_hardirqs_off+0xb8/0x310
[  255.005749]  ? trace_hardirqs_off+0xb8/0x310
[  255.010166]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.015028]  ? warn_alloc+0x120/0x120
[  255.018825]  ? warn_alloc+0x120/0x120
[  255.022667]  ? warn_alloc+0x120/0x120
[  255.026462]  ? warn_alloc+0x120/0x120
[  255.030261]  ? warn_alloc+0x120/0x120
[  255.034078]  ? mark_held_locks+0x130/0x130
[  255.038315]  ? mark_held_locks+0x130/0x130
[  255.042551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.048088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.053636]  ? should_fail+0x22d/0xd01
[  255.057525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.062632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.068170]  ? should_fail+0x22d/0xd01
[  255.072058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.077154]  ? should_fail+0x22d/0xd01
[  255.081046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.086165]  ? mark_held_locks+0x130/0x130
[  255.090405]  ? mark_held_locks+0x130/0x130
[  255.094644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.100183]  ? trace_hardirqs_off+0xb8/0x310
[  255.104592]  ? kasan_check_read+0x11/0x20
[  255.108746]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.113156]  ? trace_hardirqs_on+0x310/0x310
[  255.117567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.123119]  ? wq_watchdog_touch+0x9c/0xfe
[  255.127375]  ? io_serial_in+0x11/0x90
[  255.131174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.136713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.141820]  __alloc_pages_nodemask+0xa80/0xde0
[  255.146514]  ? should_fail+0x22d/0xd01
[  255.150416]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.155447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.160118]  ? lock_downgrade+0x900/0x900
[  255.164287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.169829]  cache_grow_begin+0x91/0x8c0
[  255.173892]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.178323]  fallback_alloc+0x203/0x2e0
[  255.182311]  ____cache_alloc_node+0x1c7/0x1e0
[  255.186805]  kmem_cache_alloc_node+0xe3/0x730
[  255.191305]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.195574]  __alloc_skb+0x119/0x770
[  255.199289]  ? skb_scrub_packet+0x490/0x490
[  255.203619]  ? lock_downgrade+0x900/0x900
[  255.207782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.213323]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.218797]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.224248]  ? addrconf_rs_timer+0x690/0x690
[  255.228666]  ndisc_alloc_skb+0x144/0x340
[  255.232731]  ndisc_send_rs+0x331/0x6e0
[  255.236629]  addrconf_rs_timer+0x314/0x690
[  255.240866]  ? lock_release+0x970/0x970
[  255.244849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.249107]  call_timer_fn+0x272/0x920
[  255.252996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.257233]  ? process_timeout+0x40/0x40
[  255.261297]  ? kasan_check_read+0x11/0x20
[  255.265460]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.269873]  ? trace_hardirqs_on+0x310/0x310
[  255.274283]  ? __run_timers+0x7da/0xc70
[  255.278258]  ? lock_downgrade+0x900/0x900
[  255.282411]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.287514]  ? trace_hardirqs_on+0xbd/0x310
[  255.291849]  ? kasan_check_read+0x11/0x20
[  255.295995]  ? __run_timers+0x7da/0xc70
[  255.299971]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.305423]  ? kasan_check_write+0x14/0x20
[  255.309684]  ? do_raw_spin_lock+0xc1/0x200
[  255.313926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.318167]  __run_timers+0x7e5/0xc70
[  255.321981]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.327343]  ? compat_start_thread+0x80/0x80
[  255.331755]  ? dequeue_entity+0x1770/0x1770
[  255.336092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.341650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.347191]  ? _raw_spin_unlock_irq+0x60/0x80
[  255.351685]  ? finish_task_switch+0x1f5/0x900
[  255.356194]  ? finish_task_switch+0x1b5/0x900
[  255.360688]  ? __switch_to_asm+0x34/0x70
[  255.364753]  ? preempt_notifier_register+0x200/0x200
[  255.369856]  ? __switch_to_asm+0x34/0x70
[  255.373914]  ? __switch_to_asm+0x40/0x70
[  255.377975]  ? __switch_to_asm+0x34/0x70
[  255.382035]  ? __switch_to_asm+0x40/0x70
[  255.386094]  ? __switch_to_asm+0x34/0x70
[  255.390154]  ? __switch_to_asm+0x40/0x70
[  255.394211]  ? __switch_to_asm+0x40/0x70
[  255.398332]  ? pvclock_read_flags+0x160/0x160
[  255.402856]  ? __schedule+0x874/0x1ed0
[  255.406741]  ? run_rebalance_domains+0x38d/0x500
[  255.411517]  ? trace_hardirqs_on+0xbd/0x310
[  255.415840]  ? kvm_sched_clock_read+0x9/0x20
[  255.420260]  ? run_ksoftirqd+0x94/0x100
[  255.424252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.429791]  ? check_preemption_disabled+0x48/0x200
[  255.434804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.440557]  run_timer_softirq+0x52/0xb0
[  255.444627]  ? __this_cpu_preempt_check+0x1c/0x1f
[  255.449491]  __do_softirq+0x30b/0xad8
[  255.453302]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.458398]  ? trace_hardirqs_off+0xb8/0x310
[  255.462806]  ? schedule+0x108/0x460
[  255.466430]  ? __schedule+0x1ed0/0x1ed0
[  255.470406]  ? run_ksoftirqd+0x40/0x100
[  255.474382]  ? trace_hardirqs_off+0xb8/0x310
[  255.478805]  ? ___might_sleep+0x1ed/0x300
[  255.482952]  ? smpboot_thread_fn+0x68b/0xa00
[  255.487364]  ? trace_hardirqs_on+0x310/0x310
[  255.491788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.497326]  ? check_preemption_disabled+0x48/0x200
[  255.502346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.507899]  ? takeover_tasklets+0xa90/0xa90
[  255.512321]  run_ksoftirqd+0x94/0x100
[  255.516127]  smpboot_thread_fn+0x68b/0xa00
[  255.520368]  ? sort_range+0x30/0x30
[  255.523997]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.529102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.534641]  ? __kthread_parkme+0xfb/0x1a0
[  255.538877]  kthread+0x35a/0x420
[  255.542255]  ? sort_range+0x30/0x30
[  255.545917]  ? kthread_bind+0x40/0x40
[  255.549734]  ret_from_fork+0x3a/0x50
[  255.553467] warn_alloc_show_mem: 1 callbacks suppressed
[  255.553479] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  255.553481] Mem-Info:
[  255.553511] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  255.553511]  active_file:15 inactive_file:15 isolated_file:0
[  255.553511]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.553511]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  255.553511]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  255.553511]  free:13623 free_pcp:480 free_cma:0
[  255.558854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.566132] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  255.569019] Call Trace:
[  255.602075] Node 0 
[  255.611429]  <IRQ>
[  255.639204] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  255.641773]  dump_stack+0x1c4/0x2b4
[  255.643971] lowmem_reserve[]:
[  255.646121]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.671599]  0
[  255.675233]  warn_alloc.cold.119+0xb7/0x1bd
[  255.678292]  2819 6323
[  255.683501]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.685268]  6323
[  255.689586]  ? lock_downgrade+0x900/0x900
[  255.696892]  ? trace_hardirqs_off+0xb8/0x310
[  255.698923] Node 0 
[  255.703063]  ? trace_hardirqs_off+0xb8/0x310
[  255.707483] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  255.709695]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.714075] lowmem_reserve[]:
[  255.740992]  ? warn_alloc+0x120/0x120
[  255.745798]  0
[  255.748906]  ? trace_hardirqs_on+0x310/0x310
[  255.752677]  0
[  255.754491]  ? warn_alloc+0x120/0x120
[  255.758873]  3503
[  255.760668]  ? warn_alloc+0x120/0x120
[  255.764442]  3503
[  255.766503]  ? ktime_get+0x2e1/0x440
[  255.772374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.776059] Node 0 
[  255.781586]  ? check_preemption_disabled+0x48/0x200
[  255.781624] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  255.781631] lowmem_reserve[]:
[  255.783865]  ? kasan_check_read+0x11/0x20
[  255.788848]  0
[  255.817408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.820487]  0
[  255.824636]  ? should_fail+0x22d/0xd01
[  255.826411]  0
[  255.831956]  ? rcu_bh_qs+0xc0/0xc0
[  255.833727]  0
[  255.837609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.842929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.844704] Node 0 
[  255.849802]  ? should_fail+0x22d/0xd01
[  255.855328] DMA: 
[  255.857569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.861428] 1*4kB 
[  255.863481]  ? should_fail+0x22d/0xd01
[  255.868556] (U) 
[  255.870716]  ? rcu_idle_enter+0x4b0/0x4b0
[  255.874576] 0*8kB 
[  255.876543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.880672] 0*16kB 
[  255.882817]  ? mark_held_locks+0x130/0x130
[  255.887906] 1*32kB 
[  255.890148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.894357] (U) 
[  255.896592]  ? mark_held_locks+0x130/0x130
[  255.902101] 2*64kB 
[  255.904094]  ? rcu_irq_exit+0xce/0x100
[  255.908299] (U) 
[  255.910531]  ? irq_exit+0xbd/0x1c0
[  255.914388] 1*128kB 
[  255.916365]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  255.919876] (U) 
[  255.922197]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.927196] 1*256kB 
[  255.929165]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.933548] (U) 
[  255.935882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.941729] 0*512kB 
[  255.943704]  ? ret_from_intr+0xb/0x1e
[  255.949227] 1*1024kB 
[  255.951561]  ? retint_kernel+0x2d/0x2d
[  255.955346] (U) 
[  255.957805]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.961677] 1*2048kB 
[  255.963661]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.968568] (M) 
[  255.970990]  ? trace_hardirqs_off+0x310/0x310
[  255.975719] 3*4096kB 
[  255.977718]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.982182] (M) 
[  255.984608]  __alloc_pages_nodemask+0xa80/0xde0
[  255.989700] = 15908kB
[  255.991674]  ? should_fail+0x22d/0xd01
[  255.996315] Node 0 
[  255.998745]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.002606] DMA32: 
[  256.004847]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.009841] 3*4kB 
[  256.012077]  ? lock_downgrade+0x900/0x900
[  256.016714] (UM) 
[  256.018859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.022978] 2*8kB 
[  256.025052]  cache_grow_begin+0x91/0x8c0
[  256.030560] (UM) 
[  256.032704]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.036733] 2*16kB 
[  256.038799]  fallback_alloc+0x203/0x2e0
[  256.043180] (M) 
[  256.045428]  ____cache_alloc_node+0x1c7/0x1e0
[  256.049380] 2*32kB 
[  256.051346]  kmem_cache_alloc_node+0xe3/0x730
[  256.055819] (M) 
[  256.058047]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.062520] 4*64kB 
[  256.064492]  __alloc_skb+0x119/0x770
[  256.068699] (M) 
[  256.070942]  ? skb_scrub_packet+0x490/0x490
[  256.074632] 3*128kB 
[  256.076605]  ? lock_downgrade+0x900/0x900
[  256.080905] (M) 
[  256.083228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.087361] 4*256kB 
[  256.089329]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.094858] (UM) 
[  256.097183]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.102606] 3*512kB 
[  256.104665]  ? addrconf_rs_timer+0x690/0x690
[  256.110087] (M) 
[  256.112410]  ndisc_alloc_skb+0x144/0x340
[  256.116811] 3*1024kB 
[  256.118800]  ndisc_send_rs+0x331/0x6e0
[  256.122837] (UM) 
[  256.125255]  addrconf_rs_timer+0x314/0x690
[  256.129133] 3*2048kB (M) 
[  256.131197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.135408] 3*4096kB 
[  256.138163]  call_timer_fn+0x272/0x920
[  256.142375] (M) 
[  256.144778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.148643] = 24828kB
[  256.150612]  ? process_timeout+0x40/0x40
[  256.154821] Node 0 
[  256.157239]  ? trace_hardirqs_off+0xb8/0x310
[  256.161273] Normal: 
[  256.163508]  ? kasan_check_read+0x11/0x20
[  256.167884] 1555*4kB 
[  256.170216]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.174336] (UMEH) 
[  256.176775]  ? trace_hardirqs_on+0x310/0x310
[  256.181158] 298*8kB 
[  256.183393]  ? __run_timers+0x7da/0xc70
[  256.187778] (ME) 
[  256.190100]  ? lock_downgrade+0x900/0x900
[  256.194061] 96*16kB 
[  256.196126]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.200239] (ME) 
[  256.202559]  ? trace_hardirqs_on+0xbd/0x310
[  256.207653] 43*32kB 
[  256.209730]  ? kasan_check_read+0x11/0x20
[  256.214046] (UME) 
[  256.216387]  ? __run_timers+0x7da/0xc70
[  256.220520] 31*64kB 
[  256.222666]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.226609] (UM) 
[  256.228933]  ? kasan_check_write+0x14/0x20
[  256.234364] 0*128kB 
[  256.236426]  ? do_raw_spin_lock+0xc1/0x200
[  256.240631] 1*256kB 
[  256.242950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.247158] (U) 
[  256.249477]  __run_timers+0x7e5/0xc70
[  256.253698] 0*512kB 
[  256.255679]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  256.259447] 0*1024kB 
[  256.261765]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.267099] 0*2048kB 
[  256.269525]  ? timerqueue_add+0x207/0x2b0
[  256.274517] 0*4096kB 
[  256.276937]  ? enqueue_hrtimer+0x1a5/0x560
[  256.281060] = 13756kB
[  256.283471]  ? lock_release+0x970/0x970
[  256.287684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.290084]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.294034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.302860]  ? kasan_check_write+0x14/0x20
[  256.308018] 3632 total pagecache pages
[  256.316593]  ? pvclock_read_flags+0x160/0x160
[  256.320794] 0 pages in swap cache
[  256.324679]  ? lock_downgrade+0x900/0x900
[  256.329147] Swap cache stats: add 0, delete 0, find 0/0
[  256.332593]  ? trace_hardirqs_on+0xbd/0x310
[  256.336719] Free swap  = 0kB
[  256.342077]  ? kvm_sched_clock_read+0x9/0x20
[  256.346373] Total swap = 0kB
[  256.349386]  ? irq_exit+0x17f/0x1c0
[  256.353769] 1965979 pages RAM
[  256.356782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.360386] 0 pages HighMem/MovableOnly
[  256.363523]  ? check_preemption_disabled+0x48/0x200
[  256.369029] 342307 pages reserved
[  256.372995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.377986] 0 pages cma reserved
[  256.381433]  run_timer_softirq+0x52/0xb0
[  256.387010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.390302]  ? __this_cpu_preempt_check+0x1c/0x1f
[  256.394395] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.400823]  __do_softirq+0x30b/0xad8
[  256.405641] ksoftirqd/0 cpuset=
[  256.415954]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  256.419724] /
[  256.423000]  ? pvclock_read_flags+0x160/0x160
[  256.428079]  mems_allowed=0
[  256.429787]  ? lapic_next_event+0x5a/0x90
[  256.441316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.446865]  ? clockevents_program_event+0x140/0x370
[  256.451975]  ? kvm_clock_read+0x18/0x30
[  256.455950]  ? kvm_sched_clock_read+0x9/0x20
[  256.460368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.465909]  ? check_preemption_disabled+0x48/0x200
[  256.470934]  irq_exit+0x17f/0x1c0
[  256.474405]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.479272]  ? smp_reschedule_interrupt+0x109/0x650
[  256.484289]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.490194]  ? interrupt_entry+0xb5/0xf0
[  256.494252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.499261]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.504292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.509138]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.514153]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.519185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.524724]  ? check_preemption_disabled+0x48/0x200
[  256.529737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.535307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.540155]  apic_timer_interrupt+0xf/0x20
[  256.544385]  </IRQ>
[  256.546627] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  256.551557] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  256.570459] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  256.578168] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  256.585432] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  256.592697] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  256.599963] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  256.607229] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  256.614522]  ? trace_hardirqs_on+0xb4/0x310
[  256.618859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.624404]  skb_clone+0x1bb/0x500
[  256.627949]  ? finish_task_switch+0x2f5/0x900
[  256.632447]  ? skb_split+0x11e0/0x11e0
[  256.636335]  ? preempt_notifier_register+0x200/0x200
[  256.641454]  ? __switch_to_asm+0x34/0x70
[  256.645512]  ? __switch_to_asm+0x34/0x70
[  256.649585]  ? __switch_to_asm+0x40/0x70
[  256.653650]  ? __switch_to_asm+0x34/0x70
[  256.657707]  ? __switch_to_asm+0x40/0x70
[  256.661764]  ? __switch_to_asm+0x34/0x70
[  256.665825]  ? __switch_to_asm+0x40/0x70
[  256.669888]  ? __switch_to_asm+0x34/0x70
[  256.673953]  ? __switch_to_asm+0x34/0x70
[  256.678013]  ? __switch_to_asm+0x40/0x70
[  256.682073]  ? __switch_to_asm+0x34/0x70
[  256.686143]  bpf_clone_redirect+0xb9/0x490
[  256.690404]  ? __schedule+0x874/0x1ed0
[  256.694293]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  256.699338]  ? __sched_text_start+0x8/0x8
[  256.703491]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.708248]  ? retint_kernel+0x2d/0x2d
[  256.712142]  ? lock_acquire+0x1ed/0x520
[  256.716132]  ? bpf_test_run+0x3cb/0x780
[  256.720127]  ? lock_release+0x970/0x970
[  256.724099]  ? preempt_schedule+0x4d/0x60
[  256.728253]  ? preempt_schedule_common+0x1f/0xd0
[  256.733004]  ? preempt_schedule+0x4d/0x60
[  256.737155]  ? ___preempt_schedule+0x16/0x18
[  256.741574]  ? bpf_test_run+0x25d/0x780
[  256.745574]  ? netlink_diag_dump+0x2a0/0x2a0
[  256.749991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.755531]  ? bpf_test_init.isra.9+0x70/0x100
[  256.760136]  ? bpf_prog_test_run_skb+0x634/0xb40
[  256.764940]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  256.769788]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.775324]  ? fput+0x130/0x1a0
[  256.778607]  ? __bpf_prog_get+0x9b/0x290
[  256.782685]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  256.787524]  ? bpf_prog_test_run+0x130/0x1a0
[  256.791949]  ? __x64_sys_bpf+0x3d8/0x510
[  256.796026]  ? bpf_prog_get+0x20/0x20
[  256.799852]  ? do_syscall_64+0x1b9/0x820
[  256.803913]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.809275]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.814208]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.819231]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.824248]  ? recalc_sigpending_tsk+0x180/0x180
[  256.829008]  ? kasan_check_write+0x14/0x20
[  256.833244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.838092]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.843472] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  256.843539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.850310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.850314] Call Trace:
[  256.850334]  dump_stack+0x1c4/0x2b4
[  256.850357]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.850378]  warn_alloc.cold.119+0xb7/0x1bd
[  256.856949] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.866210]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.868771] syz-executor4 cpuset=
[  256.872395]  ? lock_downgrade+0x900/0x900
[  256.877559] syz4
[  256.881888]  ? trace_hardirqs_off+0xb8/0x310
[  256.892371]  mems_allowed=0
[  256.897203]  ? trace_hardirqs_off+0xb8/0x310
[  256.918457]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.923331]  ? warn_alloc+0x120/0x120
[  256.927151]  ? warn_alloc+0x120/0x120
[  256.930965]  ? warn_alloc+0x120/0x120
[  256.934763]  ? warn_alloc+0x120/0x120
[  256.938567]  ? warn_alloc+0x120/0x120
[  256.942378]  ? mark_held_locks+0x130/0x130
[  256.946618]  ? mark_held_locks+0x130/0x130
[  256.950856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.956391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.961935]  ? should_fail+0x22d/0xd01
[  256.965823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.970925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.976460]  ? should_fail+0x22d/0xd01
[  256.980376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.985477]  ? should_fail+0x22d/0xd01
[  256.989393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.994503]  ? mark_held_locks+0x130/0x130
[  256.998739]  ? mark_held_locks+0x130/0x130
[  257.002979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.008517]  ? trace_hardirqs_off+0xb8/0x310
[  257.012925]  ? kasan_check_read+0x11/0x20
[  257.017072]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.021482]  ? trace_hardirqs_on+0x310/0x310
[  257.025905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.031458]  ? wq_watchdog_touch+0x9c/0xfe
[  257.035693]  ? io_serial_in+0x11/0x90
[  257.039508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.045050]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.050175]  __alloc_pages_nodemask+0xa80/0xde0
[  257.054846]  ? should_fail+0x22d/0xd01
[  257.058735]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.063765]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.068441]  ? lock_downgrade+0x900/0x900
[  257.072593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.078140]  cache_grow_begin+0x91/0x8c0
[  257.082202]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.086620]  fallback_alloc+0x203/0x2e0
[  257.090602]  ____cache_alloc_node+0x1c7/0x1e0
[  257.095107]  kmem_cache_alloc_node+0xe3/0x730
[  257.099602]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.103851]  __alloc_skb+0x119/0x770
[  257.107567]  ? skb_scrub_packet+0x490/0x490
[  257.111888]  ? lock_downgrade+0x900/0x900
[  257.116050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.121624]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.127075]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.132543]  ? addrconf_rs_timer+0x690/0x690
[  257.136961]  ndisc_alloc_skb+0x144/0x340
[  257.141026]  ndisc_send_rs+0x331/0x6e0
[  257.144915]  addrconf_rs_timer+0x314/0x690
[  257.149165]  ? lock_release+0x970/0x970
[  257.153140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.157392]  call_timer_fn+0x272/0x920
[  257.161280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.165531]  ? process_timeout+0x40/0x40
[  257.169591]  ? kasan_check_read+0x11/0x20
[  257.173743]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.178155]  ? trace_hardirqs_on+0x310/0x310
[  257.182574]  ? __run_timers+0x7da/0xc70
[  257.186551]  ? lock_downgrade+0x900/0x900
[  257.190709]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.195813]  ? trace_hardirqs_on+0xbd/0x310
[  257.200135]  ? kasan_check_read+0x11/0x20
[  257.204284]  ? __run_timers+0x7da/0xc70
[  257.208262]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.213719]  ? kasan_check_write+0x14/0x20
[  257.217956]  ? do_raw_spin_lock+0xc1/0x200
[  257.222197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.226432]  __run_timers+0x7e5/0xc70
[  257.230245]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.235607]  ? compat_start_thread+0x80/0x80
[  257.240021]  ? dequeue_entity+0x1770/0x1770
[  257.244343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.249891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.255455]  ? _raw_spin_unlock_irq+0x60/0x80
[  257.259956]  ? finish_task_switch+0x1f5/0x900
[  257.264453]  ? finish_task_switch+0x1b5/0x900
[  257.268952]  ? __switch_to_asm+0x34/0x70
[  257.273016]  ? preempt_notifier_register+0x200/0x200
[  257.278119]  ? __switch_to_asm+0x34/0x70
[  257.282176]  ? __switch_to_asm+0x40/0x70
[  257.286231]  ? __switch_to_asm+0x34/0x70
[  257.290291]  ? __switch_to_asm+0x40/0x70
[  257.294390]  ? __switch_to_asm+0x34/0x70
[  257.298461]  ? __switch_to_asm+0x40/0x70
[  257.302521]  ? __switch_to_asm+0x40/0x70
[  257.306586]  ? pvclock_read_flags+0x160/0x160
[  257.311100]  ? __schedule+0x874/0x1ed0
[  257.315001]  ? run_rebalance_domains+0x38d/0x500
[  257.319762]  ? trace_hardirqs_on+0xbd/0x310
[  257.324084]  ? kvm_sched_clock_read+0x9/0x20
[  257.328509]  ? run_ksoftirqd+0x94/0x100
[  257.332486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.338040]  ? check_preemption_disabled+0x48/0x200
[  257.343065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.348650]  run_timer_softirq+0x52/0xb0
[  257.352710]  ? __this_cpu_preempt_check+0x1c/0x1f
[  257.357550]  __do_softirq+0x30b/0xad8
[  257.361367]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.366470]  ? trace_hardirqs_off+0xb8/0x310
[  257.370916]  ? schedule+0x108/0x460
[  257.374544]  ? __schedule+0x1ed0/0x1ed0
[  257.378517]  ? run_ksoftirqd+0x40/0x100
[  257.382496]  ? trace_hardirqs_off+0xb8/0x310
[  257.386906]  ? ___might_sleep+0x1ed/0x300
[  257.391053]  ? smpboot_thread_fn+0x68b/0xa00
[  257.395472]  ? trace_hardirqs_on+0x310/0x310
[  257.399884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.405528]  ? check_preemption_disabled+0x48/0x200
[  257.410543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.416085]  ? takeover_tasklets+0xa90/0xa90
[  257.420496]  run_ksoftirqd+0x94/0x100
[  257.424296]  smpboot_thread_fn+0x68b/0xa00
[  257.428531]  ? sort_range+0x30/0x30
[  257.432162]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.437528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.443066]  ? __kthread_parkme+0xfb/0x1a0
[  257.447302]  kthread+0x35a/0x420
[  257.450671]  ? sort_range+0x30/0x30
[  257.454296]  ? kthread_bind+0x40/0x40
[  257.458099]  ret_from_fork+0x3a/0x50
[  257.461817] warn_alloc_show_mem: 1 callbacks suppressed
[  257.461830] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  257.461832] Mem-Info:
[  257.461863] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  257.461863]  active_file:15 inactive_file:15 isolated_file:0
[  257.461863]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.461863]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  257.461863]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  257.461863]  free:13623 free_pcp:480 free_cma:0
[  257.467205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.474484] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.476885] Call Trace:
[  257.509937] Node 0 
[  257.519293]  <IRQ>
[  257.547072] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  257.549640]  dump_stack+0x1c4/0x2b4
[  257.551842] lowmem_reserve[]:
[  257.554003]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.579665]  0
[  257.583321]  warn_alloc.cold.119+0xb7/0x1bd
[  257.586385]  2819 6323
[  257.591578]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.593355]  6323
[  257.597688]  ? lock_downgrade+0x900/0x900
[  257.604992]  ? trace_hardirqs_off+0xb8/0x310
[  257.607025] Node 0 
[  257.611165]  ? trace_hardirqs_off+0xb8/0x310
[  257.615570] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  257.617787]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.622157] lowmem_reserve[]:
[  257.649109]  ? warn_alloc+0x120/0x120
[  257.653911]  0
[  257.657024]  ? trace_hardirqs_on+0x310/0x310
[  257.660804]  0
[  257.662603]  ? warn_alloc+0x120/0x120
[  257.666987]  3503
[  257.668799]  ? warn_alloc+0x120/0x120
[  257.672570]  3503
[  257.674631]  ? ktime_get+0x2e1/0x440
[  257.680465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.684147] Node 0 
[  257.689676]  ? check_preemption_disabled+0x48/0x200
[  257.689708] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  257.689715] lowmem_reserve[]:
[  257.691948]  ? kasan_check_read+0x11/0x20
[  257.696935]  0
[  257.725487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.728560]  0
[  257.732707]  ? should_fail+0x22d/0xd01
[  257.734476]  0
[  257.740020]  ? rcu_bh_qs+0xc0/0xc0
[  257.741802]  0
[  257.745710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.751020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.752796] Node 0 
[  257.757890]  ? should_fail+0x22d/0xd01
[  257.763423] DMA: 1*4kB 
[  257.765666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.769528] (U) 
[  257.772105]  ? should_fail+0x22d/0xd01
[  257.777180] 0*8kB 
[  257.779152]  ? rcu_idle_enter+0x4b0/0x4b0
[  257.783016] 0*16kB 
[  257.785175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.789297] 1*32kB 
[  257.791530]  ? mark_held_locks+0x130/0x130
[  257.796600] (U) 
[  257.798832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.803036] 2*64kB 
[  257.805006]  ? mark_held_locks+0x130/0x130
[  257.810531] (U) 
[  257.812768]  ? rcu_irq_exit+0xce/0x100
[  257.816975] 1*128kB 
[  257.818943]  ? irq_exit+0xbd/0x1c0
[  257.822804] (U) 
[  257.825127]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  257.828634] 1*256kB 
[  257.830605]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.835592] (U) 
[  257.837907]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.842286] 0*512kB 
[  257.844257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.850119] 1*1024kB 
[  257.852436]  ? ret_from_intr+0xb/0x1e
[  257.857946] (U) 
[  257.860360]  ? retint_kernel+0x2d/0x2d
[  257.864215] 1*2048kB 
[  257.866186]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.870040] (M) 
[  257.872445]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.877343] 3*4096kB 
[  257.879317]  ? trace_hardirqs_off+0x310/0x310
[  257.884049] (M) 
[  257.886462]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.890924] = 15908kB
[  257.892910]  __alloc_pages_nodemask+0xa80/0xde0
[  257.897992] Node 0 
[  257.900481]  ? should_fail+0x22d/0xd01
[  257.905114] DMA32: 3*4kB 
[  257.907361]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.911217] (UM) 
[  257.913982]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.918958] 2*8kB 
[  257.921017]  ? lock_downgrade+0x900/0x900
[  257.925652] (UM) 
[  257.927795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.931927] 2*16kB 
[  257.933984]  cache_grow_begin+0x91/0x8c0
[  257.939491] (M) 
[  257.942331]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.946371] 2*32kB 
[  257.948341]  fallback_alloc+0x203/0x2e0
[  257.952728] (M) 
[  257.954972]  ____cache_alloc_node+0x1c7/0x1e0
[  257.958920] 4*64kB 
[  257.960892]  kmem_cache_alloc_node+0xe3/0x730
[  257.965364] (M) 
[  257.967595]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.972058] 3*128kB 
[  257.974025]  __alloc_skb+0x119/0x770
[  257.978228] (M) 
[  257.980544]  ? skb_scrub_packet+0x490/0x490
[  257.984246] 4*256kB 
[  257.986215]  ? lock_downgrade+0x900/0x900
[  257.990513] (UM) 
[  257.992853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.996971] 3*512kB 
[  257.999028]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.004537] (M) 
[  258.006853]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.012276] 3*1024kB 
[  258.014242]  ? addrconf_rs_timer+0x690/0x690
[  258.019680] (UM) 
[  258.022087]  ndisc_alloc_skb+0x144/0x340
[  258.026480] 3*2048kB 
[  258.028556]  ndisc_send_rs+0x331/0x6e0
[  258.032588] (M) 
[  258.034989]  addrconf_rs_timer+0x314/0x690
[  258.038853] 3*4096kB 
[  258.040852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.045062] (M) 
[  258.047475]  call_timer_fn+0x272/0x920
[  258.051675] = 24828kB
[  258.053640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.057501] Node 0 
[  258.059906]  ? process_timeout+0x40/0x40
[  258.064118] Normal: 
[  258.066359]  ? trace_hardirqs_off+0xb8/0x310
[  258.070407] 1555*4kB 
[  258.072738]  ? kasan_check_read+0x11/0x20
[  258.077122] (UMEH) 
[  258.079530]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.083646] 298*8kB 
[  258.085876]  ? trace_hardirqs_on+0x310/0x310
[  258.090267] (ME) 
[  258.092585]  ? __run_timers+0x7da/0xc70
[  258.096961] 96*16kB 
[  258.099031]  ? lock_downgrade+0x900/0x900
[  258.102986] (ME) 
[  258.105340]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.109456] 43*32kB 
[  258.111511]  ? trace_hardirqs_on+0xbd/0x310
[  258.116583] (UME) 
[  258.118918]  ? kasan_check_read+0x11/0x20
[  258.123208] 31*64kB 
[  258.125347]  ? __run_timers+0x7da/0xc70
[  258.129474] (UM) 
[  258.131806]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.135750] 0*128kB 
[  258.137807]  ? kasan_check_write+0x14/0x20
[  258.143243] 1*256kB 
[  258.145575]  ? do_raw_spin_lock+0xc1/0x200
[  258.149777] (U) 
[  258.152107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.156314] 0*512kB 
[  258.158283]  __run_timers+0x7e5/0xc70
[  258.162489] 0*1024kB 
[  258.164808]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.168572] 0*2048kB 
[  258.170976]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.176309] 0*4096kB 
[  258.178708]  ? timerqueue_add+0x207/0x2b0
[  258.183716] = 13756kB
[  258.186122]  ? enqueue_hrtimer+0x1a5/0x560
[  258.190246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.192641]  ? lock_release+0x970/0x970
[  258.196867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.205688]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.209638] 3632 total pagecache pages
[  258.218210]  ? kasan_check_write+0x14/0x20
[  258.223370] 0 pages in swap cache
[  258.227254]  ? pvclock_read_flags+0x160/0x160
[  258.231461] Swap cache stats: add 0, delete 0, find 0/0
[  258.234902]  ? lock_downgrade+0x900/0x900
[  258.239375] Free swap  = 0kB
[  258.244732]  ? trace_hardirqs_on+0xbd/0x310
[  258.248850] Total swap = 0kB
[  258.251878]  ? kvm_sched_clock_read+0x9/0x20
[  258.256173] 1965979 pages RAM
[  258.259204]  ? irq_exit+0x17f/0x1c0
[  258.263578] 0 pages HighMem/MovableOnly
[  258.263586] 342307 pages reserved
[  258.266686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.270282] 0 pages cma reserved
[  258.274252]  ? check_preemption_disabled+0x48/0x200
[  258.277760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.283308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.286793] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.291660]  run_timer_softirq+0x52/0xb0
[  258.298141] ksoftirqd/0 cpuset=
[  258.303673]  ? __this_cpu_preempt_check+0x1c/0x1f
[  258.313987] /
[  258.318059]  __do_softirq+0x30b/0xad8
[  258.321313]  mems_allowed=0
[  258.326148]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.339661]  ? pvclock_read_flags+0x160/0x160
[  258.344156]  ? lapic_next_event+0x5a/0x90
[  258.348307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.353854]  ? clockevents_program_event+0x140/0x370
[  258.358975]  ? kvm_clock_read+0x18/0x30
[  258.362963]  ? kvm_sched_clock_read+0x9/0x20
[  258.367384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.372922]  ? check_preemption_disabled+0x48/0x200
[  258.377946]  irq_exit+0x17f/0x1c0
[  258.381418]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.386256]  ? smp_reschedule_interrupt+0x109/0x650
[  258.391267]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.397154]  ? interrupt_entry+0xb5/0xf0
[  258.401246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.406258]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.411270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.416108]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.421131]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.426144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.431680]  ? check_preemption_disabled+0x48/0x200
[  258.436711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.442253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.447098]  apic_timer_interrupt+0xf/0x20
[  258.451330]  </IRQ>
[  258.453576] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  258.458532] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  258.477434] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  258.485162] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  258.492430] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  258.499700] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  258.506969] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  258.514240] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  258.521545]  ? trace_hardirqs_on+0xb4/0x310
[  258.525876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.531422]  skb_clone+0x1bb/0x500
[  258.534965]  ? finish_task_switch+0x2f5/0x900
[  258.539464]  ? skb_split+0x11e0/0x11e0
[  258.543362]  ? preempt_notifier_register+0x200/0x200
[  258.548469]  ? __switch_to_asm+0x34/0x70
[  258.552526]  ? __switch_to_asm+0x34/0x70
[  258.556582]  ? __switch_to_asm+0x40/0x70
[  258.560642]  ? __switch_to_asm+0x34/0x70
[  258.564702]  ? __switch_to_asm+0x40/0x70
[  258.568758]  ? __switch_to_asm+0x34/0x70
[  258.572812]  ? __switch_to_asm+0x40/0x70
[  258.576886]  ? __switch_to_asm+0x34/0x70
[  258.580967]  ? __switch_to_asm+0x34/0x70
[  258.585023]  ? __switch_to_asm+0x40/0x70
[  258.589076]  ? __switch_to_asm+0x34/0x70
[  258.593144]  bpf_clone_redirect+0xb9/0x490
[  258.597382]  ? __schedule+0x874/0x1ed0
[  258.601275]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  258.606288]  ? __sched_text_start+0x8/0x8
[  258.610440]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.615197]  ? retint_kernel+0x2d/0x2d
[  258.619094]  ? lock_acquire+0x1ed/0x520
[  258.623086]  ? bpf_test_run+0x3cb/0x780
[  258.627085]  ? lock_release+0x970/0x970
[  258.631066]  ? preempt_schedule+0x4d/0x60
[  258.635231]  ? preempt_schedule_common+0x1f/0xd0
[  258.639983]  ? preempt_schedule+0x4d/0x60
[  258.644134]  ? ___preempt_schedule+0x16/0x18
[  258.648547]  ? bpf_test_run+0x25d/0x780
[  258.652539]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.656950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.662488]  ? bpf_test_init.isra.9+0x70/0x100
[  258.667072]  ? bpf_prog_test_run_skb+0x634/0xb40
[  258.671830]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.676674]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.682210]  ? fput+0x130/0x1a0
[  258.685491]  ? __bpf_prog_get+0x9b/0x290
[  258.689551]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.694406]  ? bpf_prog_test_run+0x130/0x1a0
[  258.698814]  ? __x64_sys_bpf+0x3d8/0x510
[  258.702872]  ? bpf_prog_get+0x20/0x20
[  258.706687]  ? do_syscall_64+0x1b9/0x820
[  258.710747]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.716116]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.721050]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.726066]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.731081]  ? recalc_sigpending_tsk+0x180/0x180
[  258.735843]  ? kasan_check_write+0x14/0x20
[  258.740079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.744940]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.750312] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  258.750389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.757158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.757162] Call Trace:
[  258.757182]  dump_stack+0x1c4/0x2b4
[  258.757196]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.757216]  warn_alloc.cold.119+0xb7/0x1bd
[  258.763771] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.773086]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.775657] syz-executor4 cpuset=
[  258.779293]  ? lock_downgrade+0x900/0x900
[  258.784476] syz4
[  258.788825]  ? trace_hardirqs_off+0xb8/0x310
[  258.799299]  mems_allowed=0
[  258.804156]  ? trace_hardirqs_off+0xb8/0x310
[  258.825422]  __alloc_pages_slowpath+0x2667/0x2d80
[  258.830284]  ? warn_alloc+0x120/0x120
[  258.834083]  ? warn_alloc+0x120/0x120
[  258.837881]  ? warn_alloc+0x120/0x120
[  258.841702]  ? should_fail+0x22d/0xd01
[  258.845637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.851186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.856724]  ? should_fail+0x22d/0xd01
[  258.860606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.865713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.870815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.876347]  ? should_fail+0x22d/0xd01
[  258.880238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.885364]  ? should_fail+0x22d/0xd01
[  258.889250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.894371]  ? should_fail+0x22d/0xd01
[  258.898278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.903388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.908487]  ? should_fail+0x22d/0xd01
[  258.912385]  ? mark_held_locks+0x130/0x130
[  258.916628]  ? mark_held_locks+0x130/0x130
[  258.920873]  ? mark_held_locks+0x130/0x130
[  258.925126]  ? mark_held_locks+0x130/0x130
[  258.929381]  ? mark_held_locks+0x130/0x130
[  258.933624]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.938553]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.943306]  ? trace_hardirqs_off+0x310/0x310
[  258.947810]  __alloc_pages_nodemask+0xa80/0xde0
[  258.952480]  ? should_fail+0x22d/0xd01
[  258.956415]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.961443]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.966149]  ? lock_downgrade+0x900/0x900
[  258.970299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.975862]  cache_grow_begin+0x91/0x8c0
[  258.979924]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.984333]  fallback_alloc+0x203/0x2e0
[  258.988318]  ____cache_alloc_node+0x1c7/0x1e0
[  258.992815]  kmem_cache_alloc_node+0xe3/0x730
[  258.997309]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.001548]  __alloc_skb+0x119/0x770
[  259.005263]  ? skb_scrub_packet+0x490/0x490
[  259.009597]  ? lock_downgrade+0x900/0x900
[  259.013773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.019306]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.024763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.030210]  ? addrconf_rs_timer+0x690/0x690
[  259.034626]  ndisc_alloc_skb+0x144/0x340
[  259.038688]  ndisc_send_rs+0x331/0x6e0
[  259.042573]  addrconf_rs_timer+0x314/0x690
[  259.046822]  ? lock_release+0x970/0x970
[  259.050792]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.056328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.060580]  call_timer_fn+0x272/0x920
[  259.064488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.068749]  ? process_timeout+0x40/0x40
[  259.072821]  ? kasan_check_read+0x11/0x20
[  259.077001]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.081440]  ? trace_hardirqs_on+0x310/0x310
[  259.085848]  ? __run_timers+0x7da/0xc70
[  259.089841]  ? lock_downgrade+0x900/0x900
[  259.094009]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.099112]  ? trace_hardirqs_on+0xbd/0x310
[  259.103436]  ? kasan_check_read+0x11/0x20
[  259.107581]  ? __run_timers+0x7da/0xc70
[  259.111556]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.117022]  ? kasan_check_write+0x14/0x20
[  259.121255]  ? do_raw_spin_lock+0xc1/0x200
[  259.125496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.129745]  __run_timers+0x7e5/0xc70
[  259.133552]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.138913]  ? compat_start_thread+0x80/0x80
[  259.143330]  ? dequeue_entity+0x1770/0x1770
[  259.147688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.153227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.158767]  ? _raw_spin_unlock_irq+0x60/0x80
[  259.163261]  ? finish_task_switch+0x1f5/0x900
[  259.167753]  ? finish_task_switch+0x1b5/0x900
[  259.172260]  ? __switch_to_asm+0x34/0x70
[  259.176318]  ? preempt_notifier_register+0x200/0x200
[  259.181416]  ? __switch_to_asm+0x34/0x70
[  259.185473]  ? __switch_to_asm+0x40/0x70
[  259.189530]  ? __switch_to_asm+0x34/0x70
[  259.193602]  ? __switch_to_asm+0x40/0x70
[  259.197678]  ? __switch_to_asm+0x34/0x70
[  259.201734]  ? __switch_to_asm+0x40/0x70
[  259.205792]  ? __switch_to_asm+0x40/0x70
[  259.209887]  ? pvclock_read_flags+0x160/0x160
[  259.214411]  ? __schedule+0x874/0x1ed0
[  259.218317]  ? run_rebalance_domains+0x38d/0x500
[  259.223086]  ? trace_hardirqs_on+0xbd/0x310
[  259.227412]  ? kvm_sched_clock_read+0x9/0x20
[  259.231822]  ? run_ksoftirqd+0x94/0x100
[  259.235813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.241366]  ? check_preemption_disabled+0x48/0x200
[  259.246389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.251929]  run_timer_softirq+0x52/0xb0
[  259.255993]  ? __this_cpu_preempt_check+0x1c/0x1f
[  259.260839]  __do_softirq+0x30b/0xad8
[  259.264649]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  259.269751]  ? trace_hardirqs_off+0xb8/0x310
[  259.274186]  ? schedule+0x108/0x460
[  259.277826]  ? __schedule+0x1ed0/0x1ed0
[  259.281800]  ? run_ksoftirqd+0x40/0x100
[  259.285791]  ? trace_hardirqs_off+0xb8/0x310
[  259.290202]  ? ___might_sleep+0x1ed/0x300
[  259.294344]  ? smpboot_thread_fn+0x68b/0xa00
[  259.298759]  ? trace_hardirqs_on+0x310/0x310
[  259.303167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.308706]  ? check_preemption_disabled+0x48/0x200
[  259.313725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.319262]  ? takeover_tasklets+0xa90/0xa90
[  259.323673]  run_ksoftirqd+0x94/0x100
[  259.327477]  smpboot_thread_fn+0x68b/0xa00
[  259.331712]  ? sort_range+0x30/0x30
[  259.335341]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.340452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.345990]  ? __kthread_parkme+0xfb/0x1a0
[  259.350226]  kthread+0x35a/0x420
[  259.353590]  ? sort_range+0x30/0x30
[  259.357224]  ? kthread_bind+0x40/0x40
[  259.361026]  ret_from_fork+0x3a/0x50
[  259.364763] warn_alloc_show_mem: 1 callbacks suppressed
[  259.364776] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  259.364777] Mem-Info:
[  259.364809] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  259.364809]  active_file:15 inactive_file:15 isolated_file:0
[  259.364809]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.364809]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  259.364809]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  259.364809]  free:13623 free_pcp:480 free_cma:0
[  259.370149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.377431] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.379834] Call Trace:
[  259.412878] Node 0 
[  259.422228]  <IRQ>
[  259.450481] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  259.453048]  dump_stack+0x1c4/0x2b4
[  259.455246] lowmem_reserve[]:
[  259.457391]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.482903]  0
[  259.486602]  warn_alloc.cold.119+0xb7/0x1bd
[  259.489671]  2819
[  259.494856]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.496633]  6323
[  259.500952]  ? lock_downgrade+0x900/0x900
[  259.502991]  6323
[  259.507840]  ? trace_hardirqs_off+0xb8/0x310
[  259.514030]  ? trace_hardirqs_off+0xb8/0x310
[  259.516068] Node 0 
[  259.520472]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.524894] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  259.527134]  ? warn_alloc+0x120/0x120
[  259.531947] lowmem_reserve[]:
[  259.558862]  ? warn_alloc+0x120/0x120
[  259.562639]  0
[  259.565733]  ? warn_alloc+0x120/0x120
[  259.569654]  0 3503
[  259.571466]  ? mark_held_locks+0x130/0x130
[  259.575233]  3503
[  259.577478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.583752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.589263] Node 0 
[  259.594801]  ? should_fail+0x22d/0xd01
[  259.594833] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  259.594839] lowmem_reserve[]:
[  259.597069]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.600931]  0
[  259.629474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.632549]  0
[  259.637645]  ? should_fail+0x22d/0xd01
[  259.639418]  0
[  259.644951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.646728]  0
[  259.650606]  ? should_fail+0x22d/0xd01
[  259.657483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.659295] Node 0 
[  259.663178]  ? mark_held_locks+0x130/0x130
[  259.668251] DMA: 
[  259.670478]  ? mark_held_locks+0x130/0x130
[  259.674688] 1*4kB 
[  259.676743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.680946] (U) 
[  259.683087]  ? trace_hardirqs_off+0xb8/0x310
[  259.688594] 0*8kB 
[  259.690568]  ? kasan_check_read+0x11/0x20
[  259.694960] 0*16kB 
[  259.697107]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.701262] 1*32kB 
[  259.703488]  ? trace_hardirqs_on+0x310/0x310
[  259.707877] (U) 
[  259.710126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.714502] 2*64kB 
[  259.716483]  ? wq_watchdog_touch+0x9c/0xfe
[  259.721989] (U) 
[  259.724219]  ? io_serial_in+0x11/0x90
[  259.728423] 1*128kB 
[  259.730395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.734165] (U) 
[  259.736484]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.741993] 1*256kB 
[  259.743963]  __alloc_pages_nodemask+0xa80/0xde0
[  259.749048] (U) 
[  259.751371]  ? should_fail+0x22d/0xd01
[  259.756010] 0*512kB 
[  259.757981]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.761843] 1*1024kB 
[  259.764175]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.769152] (U) 
[  259.771559]  ? lock_downgrade+0x900/0x900
[  259.776204] 1*2048kB 
[  259.778176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.782292] (M) 
[  259.784696]  cache_grow_begin+0x91/0x8c0
[  259.790203] 3*4096kB 
[  259.792188]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.796219] (M) 
[  259.798617]  fallback_alloc+0x203/0x2e0
[  259.803000] = 15908kB
[  259.804969]  ____cache_alloc_node+0x1c7/0x1e0
[  259.808914] Node 0 
[  259.811315]  kmem_cache_alloc_node+0xe3/0x730
[  259.815810] DMA32: 
[  259.818055]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.822521] 3*4kB 
[  259.824751]  __alloc_skb+0x119/0x770
[  259.828953] (UM) 
[  259.831094]  ? skb_scrub_packet+0x490/0x490
[  259.834785] 2*8kB 
[  259.836842]  ? lock_downgrade+0x900/0x900
[  259.841132] (UM) 
[  259.843276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.847394] 2*16kB 
[  259.849460]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.854970] (M) 
[  259.857205]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.862652] 2*32kB 
[  259.864638]  ? addrconf_rs_timer+0x690/0x690
[  259.870060] (M) 
[  259.872291]  ndisc_alloc_skb+0x144/0x340
[  259.876668] 4*64kB 
[  259.878632]  ndisc_send_rs+0x331/0x6e0
[  259.882666] (M) 
[  259.884895]  addrconf_rs_timer+0x314/0x690
[  259.888757] 3*128kB 
[  259.890740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.894948] (M) 
[  259.897269]  call_timer_fn+0x272/0x920
[  259.901473] 4*256kB 
[  259.903459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.907319] (UM) 
[  259.909637]  ? process_timeout+0x40/0x40
[  259.913844] 3*512kB 
[  259.915914]  ? trace_hardirqs_off+0xb8/0x310
[  259.919958] (M) 
[  259.922292]  ? kasan_check_read+0x11/0x20
[  259.926670] 3*1024kB 
[  259.928657]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.932775] (UM) 
[  259.935183]  ? trace_hardirqs_on+0x310/0x310
[  259.939563] 3*2048kB 
[  259.941616]  ? __run_timers+0x7da/0xc70
[  259.945999] (M) 
[  259.948403]  ? lock_downgrade+0x900/0x900
[  259.952372] 3*4096kB 
[  259.954343]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.958480] (M) 
[  259.960890]  ? trace_hardirqs_on+0xbd/0x310
[  259.965963] = 24828kB
[  259.967949]  ? kasan_check_read+0x11/0x20
[  259.972258] Node 0 
[  259.974685]  ? __run_timers+0x7da/0xc70
[  259.978819] Normal: 
[  259.981068]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.985012] 1555*4kB 
[  259.987328]  ? kasan_check_write+0x14/0x20
[  259.992749] (UMEH) 
[  259.995157]  ? do_raw_spin_lock+0xc1/0x200
[  259.999367] 298*8kB 
[  260.001595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.005800] (ME) 
[  260.008139]  __run_timers+0x7e5/0xc70
[  260.012337] 96*16kB 
[  260.014405]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.018171] (ME) 
[  260.020501]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.025849] 43*32kB 
[  260.027930]  ? timerqueue_add+0x207/0x2b0
[  260.032914] (UME) 
[  260.035228]  ? enqueue_hrtimer+0x1a5/0x560
[  260.039349] 31*64kB 
[  260.041497]  ? lock_release+0x970/0x970
[  260.045700] (UM) 
[  260.048046]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.051991] 0*128kB 
[  260.054049]  ? kasan_check_write+0x14/0x20
[  260.059208] 1*256kB 
[  260.061522]  ? pvclock_read_flags+0x160/0x160
[  260.065726] (U) 
[  260.068059]  ? lock_downgrade+0x900/0x900
[  260.072527] 0*512kB 
[  260.074510]  ? trace_hardirqs_on+0xbd/0x310
[  260.078628] 0*1024kB 
[  260.080961]  ? kvm_sched_clock_read+0x9/0x20
[  260.085253] 0*2048kB 
[  260.087658]  ? irq_exit+0x17f/0x1c0
[  260.092036] 0*4096kB 
[  260.094435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.098030] = 13756kB
[  260.100451]  ? check_preemption_disabled+0x48/0x200
[  260.105975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.108377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.113408] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.122263]  run_timer_softirq+0x52/0xb0
[  260.127784] 3632 total pagecache pages
[  260.136359]  ? __this_cpu_preempt_check+0x1c/0x1f
[  260.140390] 0 pages in swap cache
[  260.144270]  __do_softirq+0x30b/0xad8
[  260.149095] Swap cache stats: add 0, delete 0, find 0/0
[  260.152543]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  260.156313] Free swap  = 0kB
[  260.161667]  ? pvclock_read_flags+0x160/0x160
[  260.166742] Total swap = 0kB
[  260.169757]  ? lapic_next_event+0x5a/0x90
[  260.174256] 1965979 pages RAM
[  260.177273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.181392] 0 pages HighMem/MovableOnly
[  260.184505]  ? clockevents_program_event+0x140/0x370
[  260.190010] 342307 pages reserved
[  260.193994]  ? kvm_clock_read+0x18/0x30
[  260.199071] 0 pages cma reserved
[  260.202531]  ? kvm_sched_clock_read+0x9/0x20
[  260.206543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.209864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.214293] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.220740]  ? check_preemption_disabled+0x48/0x200
[  260.226244] ksoftirqd/0 cpuset=
[  260.236551]  irq_exit+0x17f/0x1c0
[  260.241536] /
[  260.244813]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.248242]  mems_allowed=0
[  260.249945]  ? smp_reschedule_interrupt+0x109/0x650
[  260.262698]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.268588]  ? interrupt_entry+0xb5/0xf0
[  260.272681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.277695]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.282709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.287548]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.292557]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.297570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.303110]  ? check_preemption_disabled+0x48/0x200
[  260.308137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.313676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.318538]  apic_timer_interrupt+0xf/0x20
[  260.322765]  </IRQ>
[  260.325001] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.329930] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  260.348823] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.356541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  260.363816] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  260.371081] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  260.378347] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  260.385621] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  260.392903]  ? trace_hardirqs_on+0xb4/0x310
[  260.397229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.402772]  skb_clone+0x1bb/0x500
[  260.406308]  ? finish_task_switch+0x2f5/0x900
[  260.410795]  ? skb_split+0x11e0/0x11e0
[  260.414684]  ? preempt_notifier_register+0x200/0x200
[  260.419786]  ? __switch_to_asm+0x34/0x70
[  260.423862]  ? __switch_to_asm+0x34/0x70
[  260.427935]  ? __switch_to_asm+0x40/0x70
[  260.431993]  ? __switch_to_asm+0x34/0x70
[  260.436046]  ? __switch_to_asm+0x40/0x70
[  260.440103]  ? __switch_to_asm+0x34/0x70
[  260.444164]  ? __switch_to_asm+0x40/0x70
[  260.448250]  ? __switch_to_asm+0x34/0x70
[  260.452310]  ? __switch_to_asm+0x34/0x70
[  260.456372]  ? __switch_to_asm+0x40/0x70
[  260.460449]  ? __switch_to_asm+0x34/0x70
[  260.464555]  bpf_clone_redirect+0xb9/0x490
[  260.468801]  ? __schedule+0x874/0x1ed0
[  260.472705]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  260.477738]  ? __sched_text_start+0x8/0x8
[  260.481888]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.486692]  ? retint_kernel+0x2d/0x2d
[  260.490619]  ? lock_acquire+0x1ed/0x520
[  260.494594]  ? bpf_test_run+0x3cb/0x780
[  260.498571]  ? lock_release+0x970/0x970
[  260.502539]  ? preempt_schedule+0x4d/0x60
[  260.506684]  ? preempt_schedule_common+0x1f/0xd0
[  260.511453]  ? preempt_schedule+0x4d/0x60
[  260.515604]  ? ___preempt_schedule+0x16/0x18
[  260.520018]  ? bpf_test_run+0x25d/0x780
[  260.523997]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.528413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.533963]  ? bpf_test_init.isra.9+0x70/0x100
[  260.538549]  ? bpf_prog_test_run_skb+0x634/0xb40
[  260.543306]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.548148]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.553681]  ? fput+0x130/0x1a0
[  260.556958]  ? __bpf_prog_get+0x9b/0x290
[  260.561020]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.565906]  ? bpf_prog_test_run+0x130/0x1a0
[  260.570326]  ? __x64_sys_bpf+0x3d8/0x510
[  260.574403]  ? bpf_prog_get+0x20/0x20
[  260.578216]  ? do_syscall_64+0x1b9/0x820
[  260.582279]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.587640]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.592569]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.597583]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.602602]  ? recalc_sigpending_tsk+0x180/0x180
[  260.607376]  ? kasan_check_write+0x14/0x20
[  260.611627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.616473]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.621862] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  260.621925] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.628700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.628705] Call Trace:
[  260.628726]  dump_stack+0x1c4/0x2b4
[  260.628743]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.635277] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.644578]  warn_alloc.cold.119+0xb7/0x1bd
[  260.647135] syz-executor4 cpuset=
[  260.650756]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.655919] syz4
[  260.666413]  ? lock_downgrade+0x900/0x900
[  260.670751]  mems_allowed=0
[  260.674211]  ? trace_hardirqs_off+0xb8/0x310
[  260.692440]  ? trace_hardirqs_off+0xb8/0x310
[  260.696860]  __alloc_pages_slowpath+0x2667/0x2d80
[  260.701721]  ? warn_alloc+0x120/0x120
[  260.705522]  ? warn_alloc+0x120/0x120
[  260.709320]  ? warn_alloc+0x120/0x120
[  260.713124]  ? mark_held_locks+0x130/0x130
[  260.717388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.722926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.728462]  ? should_fail+0x22d/0xd01
[  260.732362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.737461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.742995]  ? should_fail+0x22d/0xd01
[  260.746882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.751981]  ? should_fail+0x22d/0xd01
[  260.755870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.760972]  ? mark_held_locks+0x130/0x130
[  260.765219]  ? mark_held_locks+0x130/0x130
[  260.769450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.775019]  ? trace_hardirqs_off+0xb8/0x310
[  260.779437]  ? kasan_check_read+0x11/0x20
[  260.783596]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.788009]  ? trace_hardirqs_on+0x310/0x310
[  260.792413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.797947]  ? wq_watchdog_touch+0x9c/0xfe
[  260.802198]  ? io_serial_in+0x11/0x90
[  260.805995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.811541]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.816677]  __alloc_pages_nodemask+0xa80/0xde0
[  260.821344]  ? should_fail+0x22d/0xd01
[  260.825240]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  260.830271]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.834938]  ? lock_downgrade+0x900/0x900
[  260.839087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.844648]  cache_grow_begin+0x91/0x8c0
[  260.848708]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.853131]  fallback_alloc+0x203/0x2e0
[  260.857109]  ____cache_alloc_node+0x1c7/0x1e0
[  260.861608]  kmem_cache_alloc_node+0xe3/0x730
[  260.866109]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.870347]  __alloc_skb+0x119/0x770
[  260.874070]  ? skb_scrub_packet+0x490/0x490
[  260.878403]  ? lock_downgrade+0x900/0x900
[  260.882556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.888091]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.893554]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.899002]  ? addrconf_rs_timer+0x690/0x690
[  260.903413]  ndisc_alloc_skb+0x144/0x340
[  260.907473]  ndisc_send_rs+0x331/0x6e0
[  260.911371]  addrconf_rs_timer+0x314/0x690
[  260.915604]  ? lock_release+0x970/0x970
[  260.919583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.923831]  call_timer_fn+0x272/0x920
[  260.927720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.931967]  ? process_timeout+0x40/0x40
[  260.936026]  ? kasan_check_read+0x11/0x20
[  260.940175]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.944597]  ? trace_hardirqs_on+0x310/0x310
[  260.949022]  ? __run_timers+0x7da/0xc70
[  260.952997]  ? lock_downgrade+0x900/0x900
[  260.957162]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.962264]  ? trace_hardirqs_on+0xbd/0x310
[  260.966583]  ? kasan_check_read+0x11/0x20
[  260.970731]  ? __run_timers+0x7da/0xc70
[  260.974706]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.980175]  ? kasan_check_write+0x14/0x20
[  260.984407]  ? do_raw_spin_lock+0xc1/0x200
[  260.988644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.992876]  __run_timers+0x7e5/0xc70
[  260.996682]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.002043]  ? compat_start_thread+0x80/0x80
[  261.006444]  ? dequeue_entity+0x1770/0x1770
[  261.010773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.016308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.021848]  ? _raw_spin_unlock_irq+0x60/0x80
[  261.026339]  ? finish_task_switch+0x1f5/0x900
[  261.030856]  ? finish_task_switch+0x1b5/0x900
[  261.035370]  ? __switch_to_asm+0x34/0x70
[  261.039434]  ? preempt_notifier_register+0x200/0x200
[  261.044535]  ? __switch_to_asm+0x34/0x70
[  261.048595]  ? __switch_to_asm+0x40/0x70
[  261.052670]  ? __switch_to_asm+0x34/0x70
[  261.056743]  ? __switch_to_asm+0x40/0x70
[  261.060802]  ? __switch_to_asm+0x34/0x70
[  261.064889]  ? __switch_to_asm+0x40/0x70
[  261.068947]  ? __switch_to_asm+0x40/0x70
[  261.073011]  ? pvclock_read_flags+0x160/0x160
[  261.077516]  ? __schedule+0x874/0x1ed0
[  261.081420]  ? run_rebalance_domains+0x38d/0x500
[  261.086195]  ? trace_hardirqs_on+0xbd/0x310
[  261.090521]  ? kvm_sched_clock_read+0x9/0x20
[  261.094947]  ? run_ksoftirqd+0x94/0x100
[  261.098922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.104458]  ? check_preemption_disabled+0x48/0x200
[  261.109468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.115005]  run_timer_softirq+0x52/0xb0
[  261.119077]  ? __this_cpu_preempt_check+0x1c/0x1f
[  261.123916]  __do_softirq+0x30b/0xad8
[  261.127735]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.132834]  ? trace_hardirqs_off+0xb8/0x310
[  261.137241]  ? schedule+0x108/0x460
[  261.140866]  ? __schedule+0x1ed0/0x1ed0
[  261.144869]  ? run_ksoftirqd+0x40/0x100
[  261.148855]  ? trace_hardirqs_off+0xb8/0x310
[  261.153263]  ? ___might_sleep+0x1ed/0x300
[  261.157412]  ? smpboot_thread_fn+0x68b/0xa00
[  261.161815]  ? trace_hardirqs_on+0x310/0x310
[  261.166224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.171761]  ? check_preemption_disabled+0x48/0x200
[  261.176787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.182364]  ? takeover_tasklets+0xa90/0xa90
[  261.186772]  run_ksoftirqd+0x94/0x100
[  261.190588]  smpboot_thread_fn+0x68b/0xa00
[  261.194845]  ? sort_range+0x30/0x30
[  261.198487]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.203587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.209127]  ? __kthread_parkme+0xfb/0x1a0
[  261.213368]  kthread+0x35a/0x420
[  261.216733]  ? sort_range+0x30/0x30
[  261.220363]  ? kthread_bind+0x40/0x40
[  261.224162]  ret_from_fork+0x3a/0x50
[  261.227891] warn_alloc_show_mem: 1 callbacks suppressed
[  261.227904] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  261.227906] Mem-Info:
[  261.227953] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  261.227953]  active_file:15 inactive_file:15 isolated_file:0
[  261.227953]  unevictable:0 dirty:0 writeback:0 unstable:0
[  261.227953]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  261.227953]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  261.227953]  free:13623 free_pcp:480 free_cma:0
[  261.233285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.240559] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  261.242955] Call Trace:
[  261.275997] Node 0 
[  261.285363]  <IRQ>
[  261.313172] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  261.315734]  dump_stack+0x1c4/0x2b4
[  261.317951] lowmem_reserve[]:
[  261.320092]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.345571]  0
[  261.349190]  warn_alloc.cold.119+0xb7/0x1bd
[  261.352263]  2819
[  261.357465]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.359240]  6323
[  261.363572]  ? lock_downgrade+0x900/0x900
[  261.365606]  6323
[  261.370437]  ? trace_hardirqs_off+0xb8/0x310
[  261.376629]  ? trace_hardirqs_off+0xb8/0x310
[  261.378666] Node 0 
[  261.383062]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.387466] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  261.389683]  ? warn_alloc+0x120/0x120
[  261.394487] lowmem_reserve[]:
[  261.421380]  ? lock_release+0x970/0x970
[  261.425152]  0
[  261.428250]  ? warn_alloc+0x120/0x120
[  261.432196]  0
[  261.433991]  ? trace_hardirqs_on+0x310/0x310
[  261.438011]  3503
[  261.439814]  ? warn_alloc+0x120/0x120
[  261.444215]  3503
[  261.446270]  ? mark_held_locks+0x130/0x130
[  261.452098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.456320] Node 0 
[  261.461845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.461880] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  261.464086]  ? should_fail+0x22d/0xd01
[  261.469608] lowmem_reserve[]:
[  261.498154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.502043]  0
[  261.505149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.510226]  0
[  261.512021]  ? should_fail+0x22d/0xd01
[  261.517528]  0
[  261.519320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.523180]  0
[  261.524971]  ? should_fail+0x22d/0xd01
[  261.531835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.535699] Node 0 DMA: 
[  261.540793]  ? mark_held_locks+0x130/0x130
[  261.540807]  ? mark_held_locks+0x130/0x130
[  261.543454] 1*4kB 
[  261.547678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.551880] (U) 
[  261.554021]  ? trace_hardirqs_off+0xb8/0x310
[  261.559528] 0*8kB 
[  261.561501]  ? kasan_check_read+0x11/0x20
[  261.565879] 0*16kB 
[  261.568481]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.572602] 1*32kB 
[  261.574846]  ? trace_hardirqs_on+0x310/0x310
[  261.579241] (U) 
[  261.581472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.585854] 2*64kB 
[  261.587818]  ? wq_watchdog_touch+0x9c/0xfe
[  261.593325] (U) 
[  261.595555]  ? io_serial_in+0x11/0x90
[  261.599778] 1*128kB 
[  261.601742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.605550] (U) 
[  261.607907]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.613411] 1*256kB 
[  261.615386]  __alloc_pages_nodemask+0xa80/0xde0
[  261.620457] (U) 
[  261.622775]  ? should_fail+0x22d/0xd01
[  261.627430] 0*512kB 
[  261.629410]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.633267] 1*1024kB 
[  261.635621]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.640601] (U) 
[  261.643002]  ? lock_downgrade+0x900/0x900
[  261.647687] 1*2048kB 
[  261.649679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.653798] (M) 
[  261.656199]  cache_grow_begin+0x91/0x8c0
[  261.661712] 3*4096kB 
[  261.663680]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.667711] (M) 
[  261.670118]  fallback_alloc+0x203/0x2e0
[  261.674497] = 15908kB
[  261.676467]  ____cache_alloc_node+0x1c7/0x1e0
[  261.680417] Node 0 
[  261.682819]  kmem_cache_alloc_node+0xe3/0x730
[  261.687293] DMA32: 
[  261.689521]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.693986] 3*4kB 
[  261.696218]  __alloc_skb+0x119/0x770
[  261.700429] (UM) 
[  261.702579]  ? skb_scrub_packet+0x490/0x490
[  261.706267] 2*8kB 
[  261.708324]  ? lock_downgrade+0x900/0x900
[  261.712620] (UM) 
[  261.714768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.718891] 2*16kB 
[  261.720949]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.726454] (M) 
[  261.728687]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.734108] 2*32kB 
[  261.736080]  ? addrconf_rs_timer+0x690/0x690
[  261.741499] (M) 
[  261.743730]  ndisc_alloc_skb+0x144/0x340
[  261.748105] 4*64kB 
[  261.750078]  ndisc_send_rs+0x331/0x6e0
[  261.754112] (M) 
[  261.756368]  addrconf_rs_timer+0x314/0x690
[  261.760230] 3*128kB 
[  261.762197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.766404] (M) 
[  261.768729]  call_timer_fn+0x272/0x920
[  261.772929] 4*256kB 
[  261.774924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.778786] (UM) 
[  261.781126]  ? process_timeout+0x40/0x40
[  261.785327] 3*512kB 
[  261.787392]  ? trace_hardirqs_off+0xb8/0x310
[  261.791441] (M) 
[  261.793761]  ? kasan_check_read+0x11/0x20
[  261.798137] 3*1024kB 
[  261.800106]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.804222] (UM) 
[  261.806649]  ? trace_hardirqs_on+0x310/0x310
[  261.811029] 3*2048kB 
[  261.813084]  ? __run_timers+0x7da/0xc70
[  261.817466] (M) 
[  261.819870]  ? lock_downgrade+0x900/0x900
[  261.823817] 3*4096kB 
[  261.825791]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.829908] (M) 
[  261.832311]  ? trace_hardirqs_on+0xbd/0x310
[  261.837404] = 24828kB
[  261.839392]  ? kasan_check_read+0x11/0x20
[  261.843681] Node 0 
[  261.846100]  ? __run_timers+0x7da/0xc70
[  261.850218] Normal: 
[  261.852450]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.856396] 1555*4kB 
[  261.858710]  ? kasan_check_write+0x14/0x20
[  261.864131] (UMEH) 
[  261.866552]  ? do_raw_spin_lock+0xc1/0x200
[  261.870768] 298*8kB 
[  261.872992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.877194] (ME) 
[  261.879507]  __run_timers+0x7e5/0xc70
[  261.883733] 96*16kB 
[  261.885806]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.889572] (ME) 
[  261.891892]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.897225] 43*32kB 
[  261.899309]  ? timerqueue_add+0x207/0x2b0
[  261.904295] (UME) 
[  261.906608]  ? enqueue_hrtimer+0x1a5/0x560
[  261.910751] 31*64kB 
[  261.912899]  ? lock_release+0x970/0x970
[  261.917106] (UM) 
[  261.919427]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.923378] 0*128kB 
[  261.925437]  ? kasan_check_write+0x14/0x20
[  261.930600] 1*256kB 
[  261.932916]  ? pvclock_read_flags+0x160/0x160
[  261.937115] (U) 0*512kB 0*1024kB 
[  261.939457]  ? lock_downgrade+0x900/0x900
[  261.943942] 0*2048kB 
[  261.947390]  ? trace_hardirqs_on+0xbd/0x310
[  261.951507] 0*4096kB 
[  261.953911]  ? kvm_sched_clock_read+0x9/0x20
[  261.958205] = 13756kB
[  261.960616]  ? irq_exit+0x17f/0x1c0
[  261.965007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.967409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.971028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.979854]  ? check_preemption_disabled+0x48/0x200
[  261.985390] 3632 total pagecache pages
[  261.993991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.998976] 0 pages in swap cache
[  262.002875]  run_timer_softirq+0x52/0xb0
[  262.008415] Swap cache stats: add 0, delete 0, find 0/0
[  262.011889]  ? __this_cpu_preempt_check+0x1c/0x1f
[  262.015921] Free swap  = 0kB
[  262.021274]  __do_softirq+0x30b/0xad8
[  262.026088] Total swap = 0kB
[  262.029102]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  262.032895] 1965979 pages RAM
[  262.035907]  ? pvclock_read_flags+0x160/0x160
[  262.040979] 0 pages HighMem/MovableOnly
[  262.044091]  ? lapic_next_event+0x5a/0x90
[  262.048560] 342307 pages reserved
[  262.052528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.056646] 0 pages cma reserved
[  262.060100]  ? clockevents_program_event+0x140/0x370
[  262.065693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.068989]  ? kvm_clock_read+0x18/0x30
[  262.074128] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.080560]  ? kvm_sched_clock_read+0x9/0x20
[  262.084508] ksoftirqd/0 cpuset=
[  262.094815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.099194] /
[  262.102474]  ? check_preemption_disabled+0x48/0x200
[  262.108015]  mems_allowed=0
[  262.109724]  irq_exit+0x17f/0x1c0
[  262.121071]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.125924]  ? smp_reschedule_interrupt+0x109/0x650
[  262.130935]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.136822]  ? interrupt_entry+0xb5/0xf0
[  262.140899]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.145929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.150944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.155784]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.160796]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.165842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.171391]  ? check_preemption_disabled+0x48/0x200
[  262.176403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.181944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.186790]  apic_timer_interrupt+0xf/0x20
[  262.191019]  </IRQ>
[  262.193264] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.198196] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  262.217095] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  262.224842] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  262.232126] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  262.239393] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  262.246657] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  262.253927] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  262.261215]  ? trace_hardirqs_on+0xb4/0x310
[  262.265550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.271095]  skb_clone+0x1bb/0x500
[  262.274639]  ? finish_task_switch+0x2f5/0x900
[  262.279162]  ? skb_split+0x11e0/0x11e0
[  262.283075]  ? preempt_notifier_register+0x200/0x200
[  262.288175]  ? __switch_to_asm+0x34/0x70
[  262.292238]  ? __switch_to_asm+0x34/0x70
[  262.296313]  ? __switch_to_asm+0x40/0x70
[  262.300375]  ? __switch_to_asm+0x34/0x70
[  262.304431]  ? __switch_to_asm+0x40/0x70
[  262.308492]  ? __switch_to_asm+0x34/0x70
[  262.312553]  ? __switch_to_asm+0x40/0x70
[  262.316614]  ? __switch_to_asm+0x34/0x70
[  262.320674]  ? __switch_to_asm+0x34/0x70
[  262.324734]  ? __switch_to_asm+0x40/0x70
[  262.328792]  ? __switch_to_asm+0x34/0x70
[  262.332858]  bpf_clone_redirect+0xb9/0x490
[  262.337091]  ? __schedule+0x874/0x1ed0
[  262.340983]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  262.345998]  ? __sched_text_start+0x8/0x8
[  262.350152]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.354949]  ? retint_kernel+0x2d/0x2d
[  262.358860]  ? lock_acquire+0x1ed/0x520
[  262.362833]  ? bpf_test_run+0x3cb/0x780
[  262.366808]  ? lock_release+0x970/0x970
[  262.370795]  ? preempt_schedule+0x4d/0x60
[  262.374942]  ? preempt_schedule_common+0x1f/0xd0
[  262.379696]  ? preempt_schedule+0x4d/0x60
[  262.383865]  ? ___preempt_schedule+0x16/0x18
[  262.388282]  ? bpf_test_run+0x25d/0x780
[  262.392260]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.396670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.402206]  ? bpf_test_init.isra.9+0x70/0x100
[  262.406792]  ? bpf_prog_test_run_skb+0x634/0xb40
[  262.411556]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.416415]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.421961]  ? fput+0x130/0x1a0
[  262.425240]  ? __bpf_prog_get+0x9b/0x290
[  262.429301]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.434148]  ? bpf_prog_test_run+0x130/0x1a0
[  262.438557]  ? __x64_sys_bpf+0x3d8/0x510
[  262.442614]  ? bpf_prog_get+0x20/0x20
[  262.446429]  ? do_syscall_64+0x1b9/0x820
[  262.450494]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.455861]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.460817]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.465837]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.470856]  ? recalc_sigpending_tsk+0x180/0x180
[  262.475613]  ? kasan_check_write+0x14/0x20
[  262.479855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.484704]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.490096] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  262.490171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.496933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.496937] Call Trace:
[  262.496956]  dump_stack+0x1c4/0x2b4
[  262.496975]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.503498] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.512798]  warn_alloc.cold.119+0xb7/0x1bd
[  262.515363] syz-executor4 cpuset=
[  262.518984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.524146] syz4
[  262.534631]  ? lock_downgrade+0x900/0x900
[  262.538922]  mems_allowed=0
[  262.542373]  ? trace_hardirqs_off+0xb8/0x310
[  262.560600]  ? trace_hardirqs_off+0xb8/0x310
[  262.565022]  __alloc_pages_slowpath+0x2667/0x2d80
[  262.569880]  ? warn_alloc+0x120/0x120
[  262.573693]  ? warn_alloc+0x120/0x120
[  262.577501]  ? warn_alloc+0x120/0x120
[  262.581334]  ? mark_held_locks+0x130/0x130
[  262.585583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.591124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.596667]  ? should_fail+0x22d/0xd01
[  262.600559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.605700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.611265]  ? should_fail+0x22d/0xd01
[  262.615165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.620279]  ? should_fail+0x22d/0xd01
[  262.624170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.629277]  ? mark_held_locks+0x130/0x130
[  262.633527]  ? mark_held_locks+0x130/0x130
[  262.637777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.643322]  ? trace_hardirqs_off+0xb8/0x310
[  262.647742]  ? kasan_check_read+0x11/0x20
[  262.651906]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.656312]  ? trace_hardirqs_on+0x310/0x310
[  262.660756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.666293]  ? wq_watchdog_touch+0x9c/0xfe
[  262.670562]  ? io_serial_in+0x11/0x90
[  262.674371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.679927]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.685033]  __alloc_pages_nodemask+0xa80/0xde0
[  262.689700]  ? should_fail+0x22d/0xd01
[  262.693607]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  262.698648]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.703321]  ? lock_downgrade+0x900/0x900
[  262.707483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.713019]  cache_grow_begin+0x91/0x8c0
[  262.717090]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.721523]  fallback_alloc+0x203/0x2e0
[  262.725504]  ____cache_alloc_node+0x1c7/0x1e0
[  262.730000]  kmem_cache_alloc_node+0xe3/0x730
[  262.734493]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.738731]  __alloc_skb+0x119/0x770
[  262.742477]  ? skb_scrub_packet+0x490/0x490
[  262.746797]  ? lock_downgrade+0x900/0x900
[  262.750965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.756509]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.761989]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.767434]  ? addrconf_rs_timer+0x690/0x690
[  262.771845]  ndisc_alloc_skb+0x144/0x340
[  262.775916]  ndisc_send_rs+0x331/0x6e0
[  262.779801]  addrconf_rs_timer+0x314/0x690
[  262.784032]  ? lock_release+0x970/0x970
[  262.788007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.792245]  call_timer_fn+0x272/0x920
[  262.796125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.800381]  ? process_timeout+0x40/0x40
[  262.804446]  ? kasan_check_read+0x11/0x20
[  262.808595]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.813005]  ? trace_hardirqs_on+0x310/0x310
[  262.817417]  ? __run_timers+0x7da/0xc70
[  262.821390]  ? lock_downgrade+0x900/0x900
[  262.825542]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.830675]  ? trace_hardirqs_on+0xbd/0x310
[  262.835008]  ? kasan_check_read+0x11/0x20
[  262.839151]  ? __run_timers+0x7da/0xc70
[  262.843123]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.848575]  ? kasan_check_write+0x14/0x20
[  262.852807]  ? do_raw_spin_lock+0xc1/0x200
[  262.857046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.861317]  __run_timers+0x7e5/0xc70
[  262.865150]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  262.870509]  ? compat_start_thread+0x80/0x80
[  262.874911]  ? dequeue_entity+0x1770/0x1770
[  262.879232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.884768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.890323]  ? _raw_spin_unlock_irq+0x60/0x80
[  262.894843]  ? finish_task_switch+0x1f5/0x900
[  262.899335]  ? finish_task_switch+0x1b5/0x900
[  262.903836]  ? __switch_to_asm+0x34/0x70
[  262.907943]  ? preempt_notifier_register+0x200/0x200
[  262.913071]  ? __switch_to_asm+0x34/0x70
[  262.917130]  ? __switch_to_asm+0x40/0x70
[  262.921189]  ? __switch_to_asm+0x34/0x70
[  262.925246]  ? __switch_to_asm+0x40/0x70
[  262.929324]  ? __switch_to_asm+0x34/0x70
[  262.933391]  ? __switch_to_asm+0x40/0x70
[  262.937452]  ? __switch_to_asm+0x40/0x70
[  262.941532]  ? pvclock_read_flags+0x160/0x160
[  262.946027]  ? __schedule+0x874/0x1ed0
[  262.949913]  ? run_rebalance_domains+0x38d/0x500
[  262.954673]  ? trace_hardirqs_on+0xbd/0x310
[  262.958996]  ? kvm_sched_clock_read+0x9/0x20
[  262.963406]  ? run_ksoftirqd+0x94/0x100
[  262.967392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.972940]  ? check_preemption_disabled+0x48/0x200
[  262.977953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.983490]  run_timer_softirq+0x52/0xb0
[  262.987547]  ? __this_cpu_preempt_check+0x1c/0x1f
[  262.992391]  __do_softirq+0x30b/0xad8
[  262.996197]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.001303]  ? trace_hardirqs_off+0xb8/0x310
[  263.005711]  ? schedule+0x108/0x460
[  263.009339]  ? __schedule+0x1ed0/0x1ed0
[  263.013342]  ? run_ksoftirqd+0x40/0x100
[  263.017322]  ? trace_hardirqs_off+0xb8/0x310
[  263.021756]  ? ___might_sleep+0x1ed/0x300
[  263.025899]  ? smpboot_thread_fn+0x68b/0xa00
[  263.030303]  ? trace_hardirqs_on+0x310/0x310
[  263.034716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.040253]  ? check_preemption_disabled+0x48/0x200
[  263.045264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.050813]  ? takeover_tasklets+0xa90/0xa90
[  263.055237]  run_ksoftirqd+0x94/0x100
[  263.059037]  smpboot_thread_fn+0x68b/0xa00
[  263.063274]  ? sort_range+0x30/0x30
[  263.066904]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.072007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.077545]  ? __kthread_parkme+0xfb/0x1a0
[  263.081777]  kthread+0x35a/0x420
[  263.085141]  ? sort_range+0x30/0x30
[  263.088760]  ? kthread_bind+0x40/0x40
[  263.092561]  ret_from_fork+0x3a/0x50
[  263.096306] warn_alloc_show_mem: 1 callbacks suppressed
[  263.096319] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  263.096321] Mem-Info:
[  263.096360] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  263.096360]  active_file:15 inactive_file:15 isolated_file:0
[  263.096360]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.096360]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  263.096360]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  263.096360]  free:13623 free_pcp:480 free_cma:0
[  263.101713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.108988] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.111394] Call Trace:
[  263.144430] Node 0 
[  263.153775]  <IRQ>
[  263.181565] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  263.184138]  dump_stack+0x1c4/0x2b4
[  263.186335] lowmem_reserve[]:
[  263.188488]  ? dump_stack_print_info.cold.2+0x52/0x52
[  263.213985]  0
[  263.217612]  warn_alloc.cold.119+0xb7/0x1bd
[  263.220688]  2819
[  263.225870]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.227659]  6323
[  263.231980]  ? lock_downgrade+0x900/0x900
[  263.234034]  6323
[  263.238872]  ? trace_hardirqs_off+0xb8/0x310
[  263.245054]  ? trace_hardirqs_off+0xb8/0x310
[  263.247091] Node 0 
[  263.251496]  __alloc_pages_slowpath+0x2667/0x2d80
[  263.255916] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  263.258142]  ? warn_alloc+0x120/0x120
[  263.262940] lowmem_reserve[]:
[  263.289842]  ? lock_release+0x970/0x970
[  263.293620]  0
[  263.296721]  ? warn_alloc+0x120/0x120
[  263.300658]  0 3503
[  263.302468]  ? trace_hardirqs_on+0x310/0x310
[  263.306238]  3503
[  263.308467]  ? warn_alloc+0x120/0x120
[  263.314924]  ? mark_held_locks+0x130/0x130
[  263.318696] Node 0 
[  263.322927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.322959] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  263.322965] lowmem_reserve[]:
[  263.325204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.330716]  0
[  263.359260]  ? should_fail+0x22d/0xd01
[  263.362350]  0
[  263.367889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.369672]  0
[  263.373551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.375365]  0
[  263.380460]  ? should_fail+0x22d/0xd01
[  263.387768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.389557] Node 0 
[  263.393432]  ? should_fail+0x22d/0xd01
[  263.398507] DMA: 
[  263.400775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.404639] 1*4kB 
[  263.406697]  ? mark_held_locks+0x130/0x130
[  263.411771] (U) 
[  263.413916]  ? mark_held_locks+0x130/0x130
[  263.418127] 0*8kB 
[  263.420098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.424319] 0*16kB 
[  263.426473]  ? trace_hardirqs_off+0xb8/0x310
[  263.431978] 1*32kB 
[  263.434213]  ? kasan_check_read+0x11/0x20
[  263.438788] (U) 2*64kB 
[  263.441034]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.445183] (U) 
[  263.447776]  ? trace_hardirqs_on+0x310/0x310
[  263.452158] 1*128kB 
[  263.454146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.458519] (U) 
[  263.460839]  ? wq_watchdog_touch+0x9c/0xfe
[  263.466349] 1*256kB 
[  263.468327]  ? io_serial_in+0x11/0x90
[  263.472535] (U) 
[  263.474854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.478629] 0*512kB 
[  263.480604]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.486115] 1*1024kB 
[  263.488438]  __alloc_pages_nodemask+0xa80/0xde0
[  263.493514] (U) 
[  263.495922]  ? should_fail+0x22d/0xd01
[  263.500562] 1*2048kB 
[  263.502535]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.506415] (M) 
[  263.508833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.513815] 3*4096kB 
[  263.515800]  ? lock_downgrade+0x900/0x900
[  263.520436] (M) 
[  263.522838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.526959] = 15908kB
[  263.528930]  cache_grow_begin+0x91/0x8c0
[  263.534448] Node 0 
[  263.536888]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.540921] DMA32: 
[  263.543152]  fallback_alloc+0x203/0x2e0
[  263.547534] 3*4kB 
[  263.549772]  ____cache_alloc_node+0x1c7/0x1e0
[  263.553722] (UM) 
[  263.555867]  kmem_cache_alloc_node+0xe3/0x730
[  263.560337] 2*8kB 
[  263.562400]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.566993] (UM) 2*16kB (M) 2*32kB (M) 4*64kB (M) 3*128kB (M) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 24828kB
[  263.567035] Node 0 Normal: 1555*4kB (UMEH) 298*8kB (ME) 96*16kB (ME) 43*32kB (UME) 31*64kB (UM) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13756kB
[  263.567085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.567090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.567093] 3632 total pagecache pages
[  263.567097] 0 pages in swap cache
[  263.567102] Swap cache stats: add 0, delete 0, find 0/0
[  263.567104] Free swap  = 0kB
[  263.567106] Total swap = 0kB
[  263.567110] 1965979 pages RAM
[  263.567113] 0 pages HighMem/MovableOnly
[  263.567116] 342307 pages reserved
[  263.567119] 0 pages cma reserved
[  263.567211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.569292]  __alloc_skb+0x119/0x770
[  263.573566] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.585902]  ? skb_scrub_packet+0x490/0x490
[  263.600359] ksoftirqd/0 cpuset=
[  263.609187]  ? lock_downgrade+0x900/0x900
[  263.617747] /
[  263.621639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.625064]  mems_allowed=0
[  263.630415]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.697976]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.703428]  ? addrconf_rs_timer+0x690/0x690
[  263.707842]  ndisc_alloc_skb+0x144/0x340
[  263.711922]  ndisc_send_rs+0x331/0x6e0
[  263.715826]  addrconf_rs_timer+0x314/0x690
[  263.720062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.724306]  call_timer_fn+0x272/0x920
[  263.728189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.732421]  ? process_timeout+0x40/0x40
[  263.736482]  ? trace_hardirqs_off+0xb8/0x310
[  263.740889]  ? kasan_check_read+0x11/0x20
[  263.745040]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.749450]  ? trace_hardirqs_on+0x310/0x310
[  263.753890]  ? __run_timers+0x7da/0xc70
[  263.757869]  ? lock_downgrade+0x900/0x900
[  263.762022]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.767127]  ? trace_hardirqs_on+0xbd/0x310
[  263.771445]  ? kasan_check_read+0x11/0x20
[  263.775593]  ? __run_timers+0x7da/0xc70
[  263.779568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.785019]  ? kasan_check_write+0x14/0x20
[  263.789250]  ? do_raw_spin_lock+0xc1/0x200
[  263.793501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.797751]  __run_timers+0x7e5/0xc70
[  263.801572]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.806937]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.811957]  ? timerqueue_add+0x207/0x2b0
[  263.816109]  ? enqueue_hrtimer+0x1a5/0x560
[  263.820348]  ? lock_release+0x970/0x970
[  263.824332]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.829536]  ? kasan_check_write+0x14/0x20
[  263.833772]  ? pvclock_read_flags+0x160/0x160
[  263.838286]  ? lock_downgrade+0x900/0x900
[  263.842437]  ? trace_hardirqs_on+0xbd/0x310
[  263.846753]  ? kvm_sched_clock_read+0x9/0x20
[  263.851179]  ? irq_exit+0x17f/0x1c0
[  263.854802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.860341]  ? check_preemption_disabled+0x48/0x200
[  263.865369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.870910]  run_timer_softirq+0x52/0xb0
[  263.874972]  ? __this_cpu_preempt_check+0x1c/0x1f
[  263.879815]  __do_softirq+0x30b/0xad8
[  263.883633]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.888752]  ? pvclock_read_flags+0x160/0x160
[  263.893244]  ? lapic_next_event+0x5a/0x90
[  263.897397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.902935]  ? clockevents_program_event+0x140/0x370
[  263.908057]  ? kvm_clock_read+0x18/0x30
[  263.912049]  ? kvm_sched_clock_read+0x9/0x20
[  263.916516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.922076]  ? check_preemption_disabled+0x48/0x200
[  263.927098]  irq_exit+0x17f/0x1c0
[  263.930554]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.935424]  ? smp_reschedule_interrupt+0x109/0x650
[  263.940440]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.946325]  ? interrupt_entry+0xb5/0xf0
[  263.950397]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.955418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.960443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.965297]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.970315]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.975331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.980889]  ? check_preemption_disabled+0x48/0x200
[  263.985906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.991450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.996302]  apic_timer_interrupt+0xf/0x20
[  264.000528]  </IRQ>
[  264.002775] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.007705] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  264.026610] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  264.034322] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  264.041631] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  264.048912] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  264.056182] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  264.063452] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  264.070758]  ? trace_hardirqs_on+0xb4/0x310
[  264.075092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.080643]  skb_clone+0x1bb/0x500
[  264.084185]  ? finish_task_switch+0x2f5/0x900
[  264.088684]  ? skb_split+0x11e0/0x11e0
[  264.092575]  ? preempt_notifier_register+0x200/0x200
[  264.097693]  ? __switch_to_asm+0x34/0x70
[  264.101753]  ? __switch_to_asm+0x34/0x70
[  264.105823]  ? __switch_to_asm+0x40/0x70
[  264.109907]  ? __switch_to_asm+0x34/0x70
[  264.113964]  ? __switch_to_asm+0x40/0x70
[  264.118017]  ? __switch_to_asm+0x34/0x70
[  264.122072]  ? __switch_to_asm+0x40/0x70
[  264.126135]  ? __switch_to_asm+0x34/0x70
[  264.130233]  ? __switch_to_asm+0x34/0x70
[  264.134291]  ? __switch_to_asm+0x40/0x70
[  264.138359]  ? __switch_to_asm+0x34/0x70
[  264.142431]  bpf_clone_redirect+0xb9/0x490
[  264.146709]  ? __schedule+0x874/0x1ed0
[  264.150600]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  264.155633]  ? __sched_text_start+0x8/0x8
[  264.159788]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.164564]  ? retint_kernel+0x2d/0x2d
[  264.168460]  ? lock_acquire+0x1ed/0x520
[  264.172436]  ? bpf_test_run+0x3cb/0x780
[  264.176410]  ? lock_release+0x970/0x970
[  264.180406]  ? preempt_schedule+0x4d/0x60
[  264.184565]  ? preempt_schedule_common+0x1f/0xd0
[  264.189319]  ? preempt_schedule+0x4d/0x60
[  264.193478]  ? ___preempt_schedule+0x16/0x18
[  264.197895]  ? bpf_test_run+0x25d/0x780
[  264.201877]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.206303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.211852]  ? bpf_test_init.isra.9+0x70/0x100
[  264.216439]  ? bpf_prog_test_run_skb+0x634/0xb40
[  264.221212]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.226064]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.231606]  ? fput+0x130/0x1a0
[  264.234919]  ? __bpf_prog_get+0x9b/0x290
[  264.238983]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.243823]  ? bpf_prog_test_run+0x130/0x1a0
[  264.248245]  ? __x64_sys_bpf+0x3d8/0x510
[  264.252306]  ? bpf_prog_get+0x20/0x20
[  264.256123]  ? do_syscall_64+0x1b9/0x820
[  264.260228]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.265609]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.270540]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.275563]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.280579]  ? recalc_sigpending_tsk+0x180/0x180
[  264.285340]  ? kasan_check_write+0x14/0x20
[  264.289587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.294437]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.299813] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  264.299881] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.306658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.306662] Call Trace:
[  264.306683]  dump_stack+0x1c4/0x2b4
[  264.306698]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.306719]  warn_alloc.cold.119+0xb7/0x1bd
[  264.313256] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.322544]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.325128] syz-executor4 cpuset=
[  264.328750]  ? lock_downgrade+0x900/0x900
[  264.333915] syz4
[  264.338232]  ? trace_hardirqs_off+0xb8/0x310
[  264.348696]  mems_allowed=0
[  264.353543]  ? trace_hardirqs_off+0xb8/0x310
[  264.374791]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.379677]  ? warn_alloc+0x120/0x120
[  264.383481]  ? warn_alloc+0x120/0x120
[  264.387279]  ? warn_alloc+0x120/0x120
[  264.391076]  ? mark_held_locks+0x130/0x130
[  264.395312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.400850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.406393]  ? should_fail+0x22d/0xd01
[  264.410287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.415406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.420941]  ? should_fail+0x22d/0xd01
[  264.424832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.429932]  ? should_fail+0x22d/0xd01
[  264.433837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.438947]  ? mark_held_locks+0x130/0x130
[  264.443212]  ? mark_held_locks+0x130/0x130
[  264.447449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.452987]  ? trace_hardirqs_off+0xb8/0x310
[  264.457402]  ? kasan_check_read+0x11/0x20
[  264.461551]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.465963]  ? trace_hardirqs_on+0x310/0x310
[  264.470374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.475954]  ? wq_watchdog_touch+0x9c/0xfe
[  264.480203]  ? io_serial_in+0x11/0x90
[  264.484000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.489538]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.494648]  __alloc_pages_nodemask+0xa80/0xde0
[  264.499315]  ? should_fail+0x22d/0xd01
[  264.503232]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.508280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.512962]  ? lock_downgrade+0x900/0x900
[  264.517131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.522684]  cache_grow_begin+0x91/0x8c0
[  264.526746]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.531153]  fallback_alloc+0x203/0x2e0
[  264.535130]  ____cache_alloc_node+0x1c7/0x1e0
[  264.539640]  kmem_cache_alloc_node+0xe3/0x730
[  264.544135]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.548400]  __alloc_skb+0x119/0x770
[  264.552145]  ? skb_scrub_packet+0x490/0x490
[  264.556465]  ? lock_downgrade+0x900/0x900
[  264.560618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.566153]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.571634]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.577100]  ? addrconf_rs_timer+0x690/0x690
[  264.581510]  ndisc_alloc_skb+0x144/0x340
[  264.585568]  ndisc_send_rs+0x331/0x6e0
[  264.589455]  addrconf_rs_timer+0x314/0x690
[  264.593683]  ? lock_release+0x970/0x970
[  264.597684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.601924]  call_timer_fn+0x272/0x920
[  264.605837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.610078]  ? process_timeout+0x40/0x40
[  264.614135]  ? kasan_check_read+0x11/0x20
[  264.618298]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.622709]  ? trace_hardirqs_on+0x310/0x310
[  264.627117]  ? __run_timers+0x7da/0xc70
[  264.631117]  ? lock_downgrade+0x900/0x900
[  264.635267]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.640377]  ? trace_hardirqs_on+0xbd/0x310
[  264.644699]  ? kasan_check_read+0x11/0x20
[  264.648853]  ? __run_timers+0x7da/0xc70
[  264.652826]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.658277]  ? kasan_check_write+0x14/0x20
[  264.662512]  ? do_raw_spin_lock+0xc1/0x200
[  264.666745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.670990]  __run_timers+0x7e5/0xc70
[  264.674797]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.680183]  ? compat_start_thread+0x80/0x80
[  264.684589]  ? dequeue_entity+0x1770/0x1770
[  264.688914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.694464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.700009]  ? _raw_spin_unlock_irq+0x60/0x80
[  264.704507]  ? finish_task_switch+0x1f5/0x900
[  264.708999]  ? finish_task_switch+0x1b5/0x900
[  264.713496]  ? __switch_to_asm+0x34/0x70
[  264.717557]  ? preempt_notifier_register+0x200/0x200
[  264.722659]  ? __switch_to_asm+0x34/0x70
[  264.726717]  ? __switch_to_asm+0x40/0x70
[  264.730773]  ? __switch_to_asm+0x34/0x70
[  264.734833]  ? __switch_to_asm+0x40/0x70
[  264.738890]  ? __switch_to_asm+0x34/0x70
[  264.742965]  ? __switch_to_asm+0x40/0x70
[  264.747029]  ? __switch_to_asm+0x40/0x70
[  264.751096]  ? pvclock_read_flags+0x160/0x160
[  264.755593]  ? __schedule+0x874/0x1ed0
[  264.759520]  ? run_rebalance_domains+0x38d/0x500
[  264.764292]  ? trace_hardirqs_on+0xbd/0x310
[  264.768649]  ? kvm_sched_clock_read+0x9/0x20
[  264.773060]  ? run_ksoftirqd+0x94/0x100
[  264.777035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.782576]  ? check_preemption_disabled+0x48/0x200
[  264.787591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.793140]  run_timer_softirq+0x52/0xb0
[  264.797198]  ? __this_cpu_preempt_check+0x1c/0x1f
[  264.802038]  __do_softirq+0x30b/0xad8
[  264.805860]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.810960]  ? trace_hardirqs_off+0xb8/0x310
[  264.815394]  ? schedule+0x108/0x460
[  264.819020]  ? __schedule+0x1ed0/0x1ed0
[  264.822996]  ? run_ksoftirqd+0x40/0x100
[  264.826970]  ? trace_hardirqs_off+0xb8/0x310
[  264.831390]  ? ___might_sleep+0x1ed/0x300
[  264.835536]  ? smpboot_thread_fn+0x68b/0xa00
[  264.839943]  ? trace_hardirqs_on+0x310/0x310
[  264.844361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.849918]  ? check_preemption_disabled+0x48/0x200
[  264.854933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.860479]  ? takeover_tasklets+0xa90/0xa90
[  264.864887]  run_ksoftirqd+0x94/0x100
[  264.868716]  smpboot_thread_fn+0x68b/0xa00
[  264.872949]  ? sort_range+0x30/0x30
[  264.876584]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.881692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.887230]  ? __kthread_parkme+0xfb/0x1a0
[  264.891496]  kthread+0x35a/0x420
[  264.894862]  ? sort_range+0x30/0x30
[  264.898491]  ? kthread_bind+0x40/0x40
[  264.902294]  ret_from_fork+0x3a/0x50
[  264.906013] warn_alloc_show_mem: 1 callbacks suppressed
[  264.906026] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  264.906027] Mem-Info:
[  264.906061] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  264.906061]  active_file:15 inactive_file:15 isolated_file:0
[  264.906061]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.906061]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  264.906061]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  264.906061]  free:13623 free_pcp:480 free_cma:0
[  264.911398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.918671] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  264.921097] Call Trace:
[  264.954155] Node 0 
[  264.963552]  <IRQ>
[  264.991311] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  264.993873]  dump_stack+0x1c4/0x2b4
[  264.996076] lowmem_reserve[]:
[  264.998219]  ? dump_stack_print_info.cold.2+0x52/0x52
[  265.023699]  0 2819
[  265.027385]  warn_alloc.cold.119+0xb7/0x1bd
[  265.030463]  6323
[  265.035658]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.037879]  6323
[  265.042193]  ? lock_downgrade+0x900/0x900
[  265.049057]  ? trace_hardirqs_off+0xb8/0x310
[  265.051104] Node 0 
[  265.055243]  ? trace_hardirqs_off+0xb8/0x310
[  265.059652] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  265.061856]  __alloc_pages_slowpath+0x2667/0x2d80
[  265.066241] lowmem_reserve[]:
[  265.093144]  ? warn_alloc+0x120/0x120
[  265.097944]  0
[  265.101041]  ? warn_alloc+0x120/0x120
[  265.104813]  0
[  265.106609]  ? warn_alloc+0x120/0x120
[  265.110387]  3503
[  265.112186]  ? mark_held_locks+0x130/0x130
[  265.115954]  3503
[  265.118009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.124262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.129777] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  265.129815] lowmem_reserve[]:
[  265.135361]  ? should_fail+0x22d/0xd01
[  265.164723]  0
[  265.167854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.171699]  0
[  265.173496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.178567]  0
[  265.180369]  ? should_fail+0x22d/0xd01
[  265.185877]  0
[  265.187678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.191549] Node 0 
[  265.193393]  ? should_fail+0x22d/0xd01
[  265.198469] DMA: 
[  265.200701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.204561] 1*4kB 
[  265.206617]  ? mark_held_locks+0x130/0x130
[  265.211693] (U) 
[  265.213835]  ? mark_held_locks+0x130/0x130
[  265.218044] 0*8kB 
[  265.220020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.224224] 0*16kB 
[  265.226376]  ? mark_held_locks+0x130/0x130
[  265.231886] 1*32kB 
[  265.234123]  ? trace_hardirqs_on+0x310/0x310
[  265.238320] (U) 
[  265.240551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.244932] 2*64kB 
[  265.246903]  ? wq_watchdog_touch+0x9c/0xfe
[  265.252427] (U) 
[  265.254674]  ? io_serial_in+0x11/0x90
[  265.258888] 1*128kB (U) 
[  265.260885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.264655] 1*256kB 
[  265.267321]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.272839] (U) 
[  265.275191]  __alloc_pages_nodemask+0xa80/0xde0
[  265.280261] 0*512kB 
[  265.282253]  ? should_fail+0x22d/0xd01
[  265.286898] 1*1024kB 
[  265.289221]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.293077] (U) 
[  265.295495]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.300475] 1*2048kB 
[  265.302463]  ? lock_downgrade+0x900/0x900
[  265.307102] (M) 
[  265.309512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.313637] 3*4096kB 
[  265.315622]  cache_grow_begin+0x91/0x8c0
[  265.321139] (M) 
[  265.323550]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.327583] = 15908kB
[  265.329558]  fallback_alloc+0x203/0x2e0
[  265.333943] Node 0 
[  265.336351]  ____cache_alloc_node+0x1c7/0x1e0
[  265.340303] DMA32: 
[  265.342571]  kmem_cache_alloc_node+0xe3/0x730
[  265.347042] 3*4kB 
[  265.349275]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.353742] (UM) 
[  265.355888]  __alloc_skb+0x119/0x770
[  265.360093] 2*8kB 
[  265.362166]  ? skb_scrub_packet+0x490/0x490
[  265.365855] (UM) 
[  265.368017]  ? lock_downgrade+0x900/0x900
[  265.372323] 2*16kB 
[  265.374389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.378509] (M) 
[  265.380745]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.386252] 2*32kB 
[  265.388223]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.393646] (M) 
[  265.395893]  ? addrconf_rs_timer+0x690/0x690
[  265.401310] 4*64kB (M) 
[  265.403295]  ndisc_alloc_skb+0x144/0x340
[  265.407688] 3*128kB 
[  265.410279]  ndisc_send_rs+0x331/0x6e0
[  265.414314] (M) 
[  265.416634]  addrconf_rs_timer+0x314/0x690
[  265.420494] 4*256kB 
[  265.422462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.426673] (UM) 
[  265.429013]  call_timer_fn+0x272/0x920
[  265.433215] 3*512kB 
[  265.435314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.435324]  ? process_timeout+0x40/0x40
[  265.435333]  ? trace_hardirqs_off+0xb8/0x310
[  265.435344]  ? kasan_check_read+0x11/0x20
[  265.435362]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.435374]  ? trace_hardirqs_on+0x310/0x310
[  265.435390]  ? __run_timers+0x7da/0xc70
[  265.439291] (M) 
[  265.441657]  ? lock_downgrade+0x900/0x900
[  265.445879] 3*1024kB 
[  265.449937]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.454312] (UM) 
[  265.458451]  ? trace_hardirqs_on+0xbd/0x310
[  265.462835] 3*2048kB 
[  265.467240]  ? kasan_check_read+0x11/0x20
[  265.471195] (M) 
[  265.473166]  ? __run_timers+0x7da/0xc70
[  265.477278] 3*4096kB (M) 
[  265.479694]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.484767] = 24828kB
[  265.486828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.491149] Node 0 
[  265.493554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.497677] Normal: 
[  265.499651]  __run_timers+0x7e5/0xc70
[  265.503598] 1555*4kB 
[  265.506365]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  265.511782] (UMEH) 
[  265.514191]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.519699] 298*8kB 
[  265.521932]  ? timerqueue_add+0x207/0x2b0
[  265.526139] (ME) 
[  265.528456]  ? enqueue_hrtimer+0x1a5/0x560
[  265.532226] 96*16kB 
[  265.534689]  ? lock_release+0x970/0x970
[  265.540021] (ME) 
[  265.542283]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.547276] 43*32kB 
[  265.549595]  ? kasan_check_write+0x14/0x20
[  265.553711] (UME) 
[  265.555785]  ? pvclock_read_flags+0x160/0x160
[  265.559995] 31*64kB 
[  265.562311]  ? lock_downgrade+0x900/0x900
[  265.566267] (UM) 
[  265.568832]  ? trace_hardirqs_on+0xbd/0x310
[  265.573995] 0*128kB 
[  265.576312]  ? kvm_sched_clock_read+0x9/0x20
[  265.580516] 1*256kB 
[  265.582660]  ? irq_exit+0x17f/0x1c0
[  265.587127] (U) 
[  265.589468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.593585] 0*512kB 
[  265.595641]  ? check_preemption_disabled+0x48/0x200
[  265.599931] 0*1024kB 
[  265.602246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.606629] 0*2048kB 
[  265.608944]  run_timer_softirq+0x52/0xb0
[  265.612540] 0*4096kB 
[  265.614514]  ? __this_cpu_preempt_check+0x1c/0x1f
[  265.620022] = 13756kB
[  265.622337]  __do_softirq+0x30b/0xad8
[  265.627329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  265.629751]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.635463] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  265.637861]  ? pvclock_read_flags+0x160/0x160
[  265.641897] 3632 total pagecache pages
[  265.644297]  ? lapic_next_event+0x5a/0x90
[  265.649111] 0 pages in swap cache
[  265.651520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.655311] Swap cache stats: add 0, delete 0, find 0/0
[  265.664141]  ? clockevents_program_event+0x140/0x370
[  265.669213] Free swap  = 0kB
[  265.677794]  ? kvm_clock_read+0x18/0x30
[  265.682279] Total swap = 0kB
[  265.686177]  ? kvm_sched_clock_read+0x9/0x20
[  265.690298] 1965979 pages RAM
[  265.693743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.699250] 0 pages HighMem/MovableOnly
[  265.704605]  ? check_preemption_disabled+0x48/0x200
[  265.709684] 342307 pages reserved
[  265.712697]  irq_exit+0x17f/0x1c0
[  265.716642] 0 pages cma reserved
[  265.719656]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.724114] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.727142]  ? smp_reschedule_interrupt+0x109/0x650
[  265.727155]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.727173]  ? interrupt_entry+0xb5/0xf0
[  265.732736] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.736654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.741640] ksoftirqd/0 cpuset=
[  265.745145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.748566] /
[  265.751937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.756751]  mems_allowed=0
[  265.763250]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.816195]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.821211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.826749]  ? check_preemption_disabled+0x48/0x200
[  265.831761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.837302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.842168]  apic_timer_interrupt+0xf/0x20
[  265.846442]  </IRQ>
[  265.848684] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.853616] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  265.872513] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.880236] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  265.887505] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  265.894771] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  265.902037] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  265.909301] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  265.916590]  ? trace_hardirqs_on+0xb4/0x310
[  265.920920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.926466]  skb_clone+0x1bb/0x500
[  265.930005]  ? finish_task_switch+0x2f5/0x900
[  265.934496]  ? skb_split+0x11e0/0x11e0
[  265.938387]  ? preempt_notifier_register+0x200/0x200
[  265.943505]  ? __switch_to_asm+0x34/0x70
[  265.947582]  ? __switch_to_asm+0x34/0x70
[  265.951636]  ? __switch_to_asm+0x40/0x70
[  265.955695]  ? __switch_to_asm+0x34/0x70
[  265.959783]  ? __switch_to_asm+0x40/0x70
[  265.963844]  ? __switch_to_asm+0x34/0x70
[  265.967902]  ? __switch_to_asm+0x40/0x70
[  265.971962]  ? __switch_to_asm+0x34/0x70
[  265.976018]  ? __switch_to_asm+0x34/0x70
[  265.980077]  ? __switch_to_asm+0x40/0x70
[  265.984141]  ? __switch_to_asm+0x34/0x70
[  265.988210]  bpf_clone_redirect+0xb9/0x490
[  265.992459]  ? __schedule+0x874/0x1ed0
[  265.996348]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  266.001378]  ? __sched_text_start+0x8/0x8
[  266.005532]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.010289]  ? retint_kernel+0x2d/0x2d
[  266.014181]  ? lock_acquire+0x1ed/0x520
[  266.018154]  ? bpf_test_run+0x3cb/0x780
[  266.022135]  ? lock_release+0x970/0x970
[  266.026106]  ? preempt_schedule+0x4d/0x60
[  266.030256]  ? preempt_schedule_common+0x1f/0xd0
[  266.035011]  ? preempt_schedule+0x4d/0x60
[  266.039162]  ? ___preempt_schedule+0x16/0x18
[  266.043575]  ? bpf_test_run+0x25d/0x780
[  266.047551]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.051970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.057506]  ? bpf_test_init.isra.9+0x70/0x100
[  266.062092]  ? bpf_prog_test_run_skb+0x634/0xb40
[  266.066859]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.071700]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.077236]  ? fput+0x130/0x1a0
[  266.080545]  ? __bpf_prog_get+0x9b/0x290
[  266.084610]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.089484]  ? bpf_prog_test_run+0x130/0x1a0
[  266.093898]  ? __x64_sys_bpf+0x3d8/0x510
[  266.097958]  ? bpf_prog_get+0x20/0x20
[  266.101775]  ? do_syscall_64+0x1b9/0x820
[  266.105839]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.111208]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.116141]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.121185]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.126215]  ? recalc_sigpending_tsk+0x180/0x180
[  266.130975]  ? kasan_check_write+0x14/0x20
[  266.135241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.140094]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.145488] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  266.145556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.152326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.152330] Call Trace:
[  266.152351]  dump_stack+0x1c4/0x2b4
[  266.152391]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.158948] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.168228]  warn_alloc.cold.119+0xb7/0x1bd
[  266.170786] syz-executor4 cpuset=
[  266.174411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.179577] syz4
[  266.190053]  ? lock_downgrade+0x900/0x900
[  266.194348]  mems_allowed=0
[  266.197842]  ? trace_hardirqs_off+0xb8/0x310
[  266.216123]  ? trace_hardirqs_off+0xb8/0x310
[  266.220542]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.225403]  ? warn_alloc+0x120/0x120
[  266.229208]  ? warn_alloc+0x120/0x120
[  266.233006]  ? warn_alloc+0x120/0x120
[  266.236823]  ? mark_held_locks+0x130/0x130
[  266.241079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.246613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.252158]  ? should_fail+0x22d/0xd01
[  266.256050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.261151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.266692]  ? should_fail+0x22d/0xd01
[  266.270583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.275687]  ? should_fail+0x22d/0xd01
[  266.279577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.284691]  ? mark_held_locks+0x130/0x130
[  266.288925]  ? mark_held_locks+0x130/0x130
[  266.293192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.298730]  ? trace_hardirqs_off+0xb8/0x310
[  266.303138]  ? kasan_check_read+0x11/0x20
[  266.307299]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.311704]  ? trace_hardirqs_on+0x310/0x310
[  266.316111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.321646]  ? wq_watchdog_touch+0x9c/0xfe
[  266.325880]  ? io_serial_in+0x11/0x90
[  266.329684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.335230]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.340341]  __alloc_pages_nodemask+0xa80/0xde0
[  266.345016]  ? should_fail+0x22d/0xd01
[  266.348905]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.353937]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.358605]  ? lock_downgrade+0x900/0x900
[  266.362759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.368300]  cache_grow_begin+0x91/0x8c0
[  266.372366]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.376775]  fallback_alloc+0x203/0x2e0
[  266.380752]  ____cache_alloc_node+0x1c7/0x1e0
[  266.385249]  kmem_cache_alloc_node+0xe3/0x730
[  266.389760]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.393996]  __alloc_skb+0x119/0x770
[  266.397724]  ? skb_scrub_packet+0x490/0x490
[  266.402046]  ? lock_downgrade+0x900/0x900
[  266.406194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.411746]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.417196]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.422648]  ? addrconf_rs_timer+0x690/0x690
[  266.427062]  ndisc_alloc_skb+0x144/0x340
[  266.431122]  ndisc_send_rs+0x331/0x6e0
[  266.435007]  addrconf_rs_timer+0x314/0x690
[  266.439497]  ? lock_release+0x970/0x970
[  266.443506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.447752]  call_timer_fn+0x272/0x920
[  266.451640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.455871]  ? process_timeout+0x40/0x40
[  266.459929]  ? kasan_check_read+0x11/0x20
[  266.464079]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.468503]  ? trace_hardirqs_on+0x310/0x310
[  266.472915]  ? __run_timers+0x7da/0xc70
[  266.476891]  ? lock_downgrade+0x900/0x900
[  266.481043]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.486163]  ? trace_hardirqs_on+0xbd/0x310
[  266.490484]  ? kasan_check_read+0x11/0x20
[  266.494648]  ? __run_timers+0x7da/0xc70
[  266.498627]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.504077]  ? kasan_check_write+0x14/0x20
[  266.508327]  ? do_raw_spin_lock+0xc1/0x200
[  266.512575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.516807]  __run_timers+0x7e5/0xc70
[  266.520612]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.525976]  ? compat_start_thread+0x80/0x80
[  266.530385]  ? dequeue_entity+0x1770/0x1770
[  266.534704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.540249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.545803]  ? _raw_spin_unlock_irq+0x60/0x80
[  266.550294]  ? finish_task_switch+0x1f5/0x900
[  266.554804]  ? finish_task_switch+0x1b5/0x900
[  266.559296]  ? __switch_to_asm+0x34/0x70
[  266.563380]  ? preempt_notifier_register+0x200/0x200
[  266.568483]  ? __switch_to_asm+0x34/0x70
[  266.572550]  ? __switch_to_asm+0x40/0x70
[  266.576609]  ? __switch_to_asm+0x34/0x70
[  266.580670]  ? __switch_to_asm+0x40/0x70
[  266.584727]  ? __switch_to_asm+0x34/0x70
[  266.588782]  ? __switch_to_asm+0x40/0x70
[  266.592843]  ? __switch_to_asm+0x40/0x70
[  266.596907]  ? pvclock_read_flags+0x160/0x160
[  266.601400]  ? __schedule+0x874/0x1ed0
[  266.605284]  ? run_rebalance_domains+0x38d/0x500
[  266.610038]  ? trace_hardirqs_on+0xbd/0x310
[  266.614362]  ? kvm_sched_clock_read+0x9/0x20
[  266.618770]  ? run_ksoftirqd+0x94/0x100
[  266.622763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.628303]  ? check_preemption_disabled+0x48/0x200
[  266.633330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.638883]  run_timer_softirq+0x52/0xb0
[  266.642941]  ? __this_cpu_preempt_check+0x1c/0x1f
[  266.647783]  __do_softirq+0x30b/0xad8
[  266.651600]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.656706]  ? trace_hardirqs_off+0xb8/0x310
[  266.661113]  ? schedule+0x108/0x460
[  266.664735]  ? __schedule+0x1ed0/0x1ed0
[  266.668720]  ? run_ksoftirqd+0x40/0x100
[  266.672699]  ? trace_hardirqs_off+0xb8/0x310
[  266.677110]  ? ___might_sleep+0x1ed/0x300
[  266.681256]  ? smpboot_thread_fn+0x68b/0xa00
[  266.685663]  ? trace_hardirqs_on+0x310/0x310
[  266.690071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.695623]  ? check_preemption_disabled+0x48/0x200
[  266.700643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.706198]  ? takeover_tasklets+0xa90/0xa90
[  266.710641]  run_ksoftirqd+0x94/0x100
[  266.714445]  smpboot_thread_fn+0x68b/0xa00
[  266.718678]  ? sort_range+0x30/0x30
[  266.722323]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.727449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.732985]  ? __kthread_parkme+0xfb/0x1a0
[  266.737221]  kthread+0x35a/0x420
[  266.740584]  ? sort_range+0x30/0x30
[  266.744221]  ? kthread_bind+0x40/0x40
[  266.748022]  ret_from_fork+0x3a/0x50
[  266.751744] warn_alloc_show_mem: 1 callbacks suppressed
[  266.751756] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  266.751758] Mem-Info:
[  266.751789] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  266.751789]  active_file:15 inactive_file:15 isolated_file:0
[  266.751789]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.751789]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  266.751789]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  266.751789]  free:13623 free_pcp:480 free_cma:0
[  266.757125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.764406] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.766808] Call Trace:
[  266.799851] Node 0 
[  266.809210]  <IRQ>
[  266.836975] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.839567]  dump_stack+0x1c4/0x2b4
[  266.841767] lowmem_reserve[]:
[  266.843909]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.869399]  0 2819
[  266.873053]  warn_alloc.cold.119+0xb7/0x1bd
[  266.876123]  6323
[  266.881314]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.883519]  6323
[  266.887837]  ? lock_downgrade+0x900/0x900
[  266.894703]  ? trace_hardirqs_off+0xb8/0x310
[  266.896737] Node 0 
[  266.900873]  ? trace_hardirqs_off+0xb8/0x310
[  266.905281] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  266.907487]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.911865] lowmem_reserve[]:
[  266.938771]  ? warn_alloc+0x120/0x120
[  266.943571]  0
[  266.946686]  ? trace_hardirqs_on+0x310/0x310
[  266.950476]  0
[  266.952298]  ? warn_alloc+0x120/0x120
[  266.956677]  3503
[  266.958478]  ? warn_alloc+0x120/0x120
[  266.962255]  3503
[  266.964312]  ? ktime_get+0x2e1/0x440
[  266.970161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.973844] Node 0 
[  266.979379]  ? check_preemption_disabled+0x48/0x200
[  266.979411] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  266.979418] lowmem_reserve[]:
[  266.981653]  ? kasan_check_read+0x11/0x20
[  266.986642]  0
[  267.015192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.018267]  0
[  267.022408]  ? should_fail+0x22d/0xd01
[  267.024180]  0
[  267.029742]  ? rcu_bh_qs+0xc0/0xc0
[  267.031519]  0
[  267.035395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.040702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.042478] Node 0 
[  267.047574]  ? should_fail+0x22d/0xd01
[  267.053082] DMA: 
[  267.055315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.059180] 1*4kB 
[  267.061237]  ? should_fail+0x22d/0xd01
[  267.066314] (U) 
[  267.068460]  ? rcu_idle_enter+0x4b0/0x4b0
[  267.072318] 0*8kB 
[  267.074290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.078411] 0*16kB 
[  267.080557]  ? mark_held_locks+0x130/0x130
[  267.085655] 1*32kB 
[  267.087904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.092124] (U) 
[  267.094351]  ? mark_held_locks+0x130/0x130
[  267.099881] 2*64kB 
[  267.101858]  ? rcu_irq_exit+0xce/0x100
[  267.106064] (U) 
[  267.108299]  ? irq_exit+0xbd/0x1c0
[  267.112158] 1*128kB 
[  267.114133]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  267.117645] (U) 
[  267.119967]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.124977] 1*256kB 
[  267.126947]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.131328] (U) 
[  267.133650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.139508] 0*512kB 
[  267.141481]  ? ret_from_intr+0xb/0x1e
[  267.147003] 1*1024kB 
[  267.149320]  ? retint_kernel+0x2d/0x2d
[  267.153089] (U) 
[  267.155493]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.159373] 1*2048kB 
[  267.161343]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.166249] (M) 
[  267.168664]  ? trace_hardirqs_off+0x310/0x310
[  267.173408] 3*4096kB 
[  267.175385]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.179848] (M) 
[  267.182260]  __alloc_pages_nodemask+0xa80/0xde0
[  267.187327] = 15908kB
[  267.187335] Node 0 
[  267.189319]  ? should_fail+0x22d/0xd01
[  267.193957] DMA32: 
[  267.196371]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.198583] 3*4kB 
[  267.202476]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.204675] (UM) 
[  267.209684]  ? lock_downgrade+0x900/0x900
[  267.211804] 2*8kB 
[  267.216469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.218501] (UM) 
[  267.222643]  cache_grow_begin+0x91/0x8c0
[  267.224768] 2*16kB 
[  267.230302]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.232336] (M) 
[  267.236414]  fallback_alloc+0x203/0x2e0
[  267.238622] 2*32kB 
[  267.243023]  ____cache_alloc_node+0x1c7/0x1e0
[  267.244970] (M) 
[  267.248938]  kmem_cache_alloc_node+0xe3/0x730
[  267.251152] 4*64kB 
[  267.255658]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.257607] (M) 
[  267.262119]  __alloc_skb+0x119/0x770
[  267.264322] 3*128kB 
[  267.268545]  ? skb_scrub_packet+0x490/0x490
[  267.270497] (M) 
[  267.274204]  ? lock_downgrade+0x900/0x900
[  267.276502] 4*256kB 
[  267.280822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.282780] (UM) 
[  267.286923]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.289219] 3*512kB 
[  267.294753]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.296787] (M) 
[  267.302230]  ? addrconf_rs_timer+0x690/0x690
[  267.304550] 3*1024kB 
[  267.310013]  ndisc_alloc_skb+0x144/0x340
[  267.311955] (UM) 
[  267.316350]  ndisc_send_rs+0x331/0x6e0
[  267.318740] 3*2048kB 
[  267.322824]  addrconf_rs_timer+0x314/0x690
[  267.324860] (M) 
[  267.328740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.331119] 3*4096kB (M) = 24828kB
[  267.331134] Node 0 
[  267.335389]  call_timer_fn+0x272/0x920
[  267.337328] Normal: 
[  267.341551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.345064] 1555*4kB 
[  267.347307]  ? process_timeout+0x40/0x40
[  267.351163] (UMEH) 
[  267.353481]  ? trace_hardirqs_off+0xb8/0x310
[  267.357682] 298*8kB 
[  267.360086]  ? kasan_check_read+0x11/0x20
[  267.364120] (ME) 
[  267.366350]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.370731] 96*16kB 
[  267.373048]  ? trace_hardirqs_on+0x310/0x310
[  267.377167] (ME) 
[  267.379243]  ? __run_timers+0x7da/0xc70
[  267.383622] 43*32kB 
[  267.385936]  ? lock_downgrade+0x900/0x900
[  267.390331] (UME) 
[  267.392415]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.396364] 31*64kB 
[  267.398680]  ? trace_hardirqs_on+0xbd/0x310
[  267.402794] (UM) 0*128kB 
[  267.404968]  ? kasan_check_read+0x11/0x20
[  267.410040] 1*256kB 
[  267.412365]  ? __run_timers+0x7da/0xc70
[  267.416681] (U) 
[  267.419458]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.423580] 0*512kB 
[  267.425910]  ? kasan_check_write+0x14/0x20
[  267.429860] 0*1024kB 
[  267.431830]  ? do_raw_spin_lock+0xc1/0x200
[  267.437508] 0*2048kB 0*4096kB 
[  267.439858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.444062] = 13756kB
[  267.446467]  __run_timers+0x7e5/0xc70
[  267.450674] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  267.453862]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.458069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  267.460482]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.464254] 3632 total pagecache pages
[  267.473086]  ? timerqueue_add+0x207/0x2b0
[  267.478422] 0 pages in swap cache
[  267.486987]  ? enqueue_hrtimer+0x1a5/0x560
[  267.491976] Swap cache stats: add 0, delete 0, find 0/0
[  267.495852]  ? lock_release+0x970/0x970
[  267.499969] Free swap  = 0kB
[  267.503413]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.507629] Total swap = 0kB
[  267.512998]  ? kasan_check_write+0x14/0x20
[  267.516940] 1965979 pages RAM
[  267.519951]  ? pvclock_read_flags+0x160/0x160
[  267.525110] 0 pages HighMem/MovableOnly
[  267.528132]  ? lock_downgrade+0x900/0x900
[  267.532331] 342307 pages reserved
[  267.535436]  ? trace_hardirqs_on+0xbd/0x310
[  267.539896] 0 pages cma reserved
[  267.539973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.543892]  ? kvm_sched_clock_read+0x9/0x20
[  267.548101] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.551462]  ? irq_exit+0x17f/0x1c0
[  267.555753] ksoftirqd/0 cpuset=
[  267.559120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.565578] /
[  267.570527]  ? check_preemption_disabled+0x48/0x200
[  267.580826]  mems_allowed=0
[  267.584445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.608351]  run_timer_softirq+0x52/0xb0
[  267.612444]  ? __this_cpu_preempt_check+0x1c/0x1f
[  267.617283]  __do_softirq+0x30b/0xad8
[  267.621105]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  267.626215]  ? pvclock_read_flags+0x160/0x160
[  267.630710]  ? lapic_next_event+0x5a/0x90
[  267.634857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.640395]  ? clockevents_program_event+0x140/0x370
[  267.645500]  ? kvm_clock_read+0x18/0x30
[  267.649490]  ? kvm_sched_clock_read+0x9/0x20
[  267.653900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.659439]  ? check_preemption_disabled+0x48/0x200
[  267.664463]  irq_exit+0x17f/0x1c0
[  267.667920]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.672760]  ? smp_reschedule_interrupt+0x109/0x650
[  267.677794]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.683677]  ? interrupt_entry+0xb5/0xf0
[  267.687738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.692751]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.697768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.702642]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.707653]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.712669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.718207]  ? check_preemption_disabled+0x48/0x200
[  267.723221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.728764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.733626]  apic_timer_interrupt+0xf/0x20
[  267.737854]  </IRQ>
[  267.740113] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  267.745058] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  267.763982] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.771693] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  267.778971] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  267.786243] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  267.793508] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  267.800772] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  267.808064]  ? trace_hardirqs_on+0xb4/0x310
[  267.812404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.817964]  skb_clone+0x1bb/0x500
[  267.821506]  ? finish_task_switch+0x2f5/0x900
[  267.826000]  ? skb_split+0x11e0/0x11e0
[  267.829906]  ? preempt_notifier_register+0x200/0x200
[  267.835009]  ? __switch_to_asm+0x34/0x70
[  267.839066]  ? __switch_to_asm+0x34/0x70
[  267.843139]  ? __switch_to_asm+0x40/0x70
[  267.847199]  ? __switch_to_asm+0x34/0x70
[  267.851255]  ? __switch_to_asm+0x40/0x70
[  267.855314]  ? __switch_to_asm+0x34/0x70
[  267.859379]  ? __switch_to_asm+0x40/0x70
[  267.863437]  ? __switch_to_asm+0x34/0x70
[  267.867497]  ? __switch_to_asm+0x34/0x70
[  267.871554]  ? __switch_to_asm+0x40/0x70
[  267.875617]  ? __switch_to_asm+0x34/0x70
[  267.879687]  bpf_clone_redirect+0xb9/0x490
[  267.883924]  ? __schedule+0x874/0x1ed0
[  267.887813]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  267.892839]  ? __sched_text_start+0x8/0x8
[  267.896985]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.901747]  ? retint_kernel+0x2d/0x2d
[  267.905641]  ? lock_acquire+0x1ed/0x520
[  267.909619]  ? bpf_test_run+0x3cb/0x780
[  267.913599]  ? lock_release+0x970/0x970
[  267.917568]  ? preempt_schedule+0x4d/0x60
[  267.921716]  ? preempt_schedule_common+0x1f/0xd0
[  267.926475]  ? preempt_schedule+0x4d/0x60
[  267.930624]  ? ___preempt_schedule+0x16/0x18
[  267.935074]  ? bpf_test_run+0x25d/0x780
[  267.939049]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.943475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.949038]  ? bpf_test_init.isra.9+0x70/0x100
[  267.953637]  ? bpf_prog_test_run_skb+0x634/0xb40
[  267.958400]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.963242]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.968779]  ? fput+0x130/0x1a0
[  267.972058]  ? __bpf_prog_get+0x9b/0x290
[  267.976126]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.980970]  ? bpf_prog_test_run+0x130/0x1a0
[  267.985389]  ? __x64_sys_bpf+0x3d8/0x510
[  267.989450]  ? bpf_prog_get+0x20/0x20
[  267.993265]  ? do_syscall_64+0x1b9/0x820
[  267.997328]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  268.002704]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.007641]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.012658]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  268.017674]  ? recalc_sigpending_tsk+0x180/0x180
[  268.022435]  ? kasan_check_write+0x14/0x20
[  268.026672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.031521]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  268.036899] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  268.036984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.043741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.050295] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.059554] Call Trace:
[  268.070022] syz-executor4 cpuset=syz4 mems_allowed=0
[  268.072613]  dump_stack+0x1c4/0x2b4
[  268.081326]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.086535]  warn_alloc.cold.119+0xb7/0x1bd
[  268.090854]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.095702]  ? lock_downgrade+0x900/0x900
[  268.099855]  ? trace_hardirqs_off+0xb8/0x310
[  268.104265]  ? trace_hardirqs_off+0xb8/0x310
[  268.108695]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.113555]  ? warn_alloc+0x120/0x120
[  268.117366]  ? warn_alloc+0x120/0x120
[  268.121173]  ? warn_alloc+0x120/0x120
[  268.124979]  ? mark_held_locks+0x130/0x130
[  268.129242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.134776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.140314]  ? should_fail+0x22d/0xd01
[  268.144204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.149305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.154841]  ? should_fail+0x22d/0xd01
[  268.158746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.163853]  ? should_fail+0x22d/0xd01
[  268.167747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.172857]  ? mark_held_locks+0x130/0x130
[  268.177092]  ? mark_held_locks+0x130/0x130
[  268.181330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.186879]  ? trace_hardirqs_off+0xb8/0x310
[  268.191289]  ? kasan_check_read+0x11/0x20
[  268.195438]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.199847]  ? trace_hardirqs_on+0x310/0x310
[  268.204255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.209789]  ? wq_watchdog_touch+0x9c/0xfe
[  268.214027]  ? io_serial_in+0x11/0x90
[  268.217833]  ? retint_kernel+0x2d/0x2d
[  268.221723]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.226656]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.231410]  ? trace_hardirqs_off+0x310/0x310
[  268.235907]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.241017]  __alloc_pages_nodemask+0xa80/0xde0
[  268.245685]  ? should_fail+0x22d/0xd01
[  268.249577]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.254610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.259288]  ? lock_downgrade+0x900/0x900
[  268.263456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.269000]  cache_grow_begin+0x91/0x8c0
[  268.273081]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.277494]  fallback_alloc+0x203/0x2e0
[  268.281469]  ____cache_alloc_node+0x1c7/0x1e0
[  268.285980]  kmem_cache_alloc_node+0xe3/0x730
[  268.290474]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.294715]  __alloc_skb+0x119/0x770
[  268.298431]  ? skb_scrub_packet+0x490/0x490
[  268.302755]  ? lock_downgrade+0x900/0x900
[  268.306912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.312470]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.317922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.323390]  ? addrconf_rs_timer+0x690/0x690
[  268.327820]  ndisc_alloc_skb+0x144/0x340
[  268.331883]  ndisc_send_rs+0x331/0x6e0
[  268.335772]  addrconf_rs_timer+0x314/0x690
[  268.340006]  ? lock_release+0x970/0x970
[  268.343984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.348231]  call_timer_fn+0x272/0x920
[  268.352116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.356372]  ? process_timeout+0x40/0x40
[  268.360452]  ? kasan_check_read+0x11/0x20
[  268.364599]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.369015]  ? trace_hardirqs_on+0x310/0x310
[  268.373430]  ? __run_timers+0x7da/0xc70
[  268.377403]  ? lock_downgrade+0x900/0x900
[  268.381554]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.386664]  ? trace_hardirqs_on+0xbd/0x310
[  268.390987]  ? kasan_check_read+0x11/0x20
[  268.395135]  ? __run_timers+0x7da/0xc70
[  268.399110]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.404564]  ? kasan_check_write+0x14/0x20
[  268.408799]  ? do_raw_spin_lock+0xc1/0x200
[  268.413055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.417289]  __run_timers+0x7e5/0xc70
[  268.421096]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.426459]  ? compat_start_thread+0x80/0x80
[  268.430864]  ? dequeue_entity+0x1770/0x1770
[  268.435186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.440723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.446270]  ? _raw_spin_unlock_irq+0x60/0x80
[  268.450799]  ? finish_task_switch+0x1f5/0x900
[  268.455293]  ? finish_task_switch+0x1b5/0x900
[  268.459789]  ? __switch_to_asm+0x34/0x70
[  268.463850]  ? preempt_notifier_register+0x200/0x200
[  268.468952]  ? __switch_to_asm+0x34/0x70
[  268.473011]  ? __switch_to_asm+0x40/0x70
[  268.477068]  ? __switch_to_asm+0x34/0x70
[  268.481139]  ? __switch_to_asm+0x40/0x70
[  268.485192]  ? __switch_to_asm+0x34/0x70
[  268.489248]  ? __switch_to_asm+0x40/0x70
[  268.493310]  ? __switch_to_asm+0x40/0x70
[  268.497409]  ? pvclock_read_flags+0x160/0x160
[  268.501906]  ? __schedule+0x874/0x1ed0
[  268.505793]  ? run_rebalance_domains+0x38d/0x500
[  268.510556]  ? trace_hardirqs_on+0xbd/0x310
[  268.514879]  ? kvm_sched_clock_read+0x9/0x20
[  268.519291]  ? run_ksoftirqd+0x94/0x100
[  268.523298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.528841]  ? check_preemption_disabled+0x48/0x200
[  268.533859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.539435]  run_timer_softirq+0x52/0xb0
[  268.543512]  ? __this_cpu_preempt_check+0x1c/0x1f
[  268.548352]  __do_softirq+0x30b/0xad8
[  268.552165]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.557268]  ? trace_hardirqs_off+0xb8/0x310
[  268.561681]  ? schedule+0x108/0x460
[  268.565320]  ? __schedule+0x1ed0/0x1ed0
[  268.569314]  ? run_ksoftirqd+0x40/0x100
[  268.573307]  ? trace_hardirqs_off+0xb8/0x310
[  268.577717]  ? ___might_sleep+0x1ed/0x300
[  268.581878]  ? smpboot_thread_fn+0x68b/0xa00
[  268.586285]  ? trace_hardirqs_on+0x310/0x310
[  268.590710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.596248]  ? check_preemption_disabled+0x48/0x200
[  268.601264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.606803]  ? takeover_tasklets+0xa90/0xa90
[  268.611214]  run_ksoftirqd+0x94/0x100
[  268.615015]  smpboot_thread_fn+0x68b/0xa00
[  268.619249]  ? sort_range+0x30/0x30
[  268.622894]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.627996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.633533]  ? __kthread_parkme+0xfb/0x1a0
[  268.637772]  kthread+0x35a/0x420
[  268.641138]  ? sort_range+0x30/0x30
[  268.644761]  ? kthread_bind+0x40/0x40
[  268.648569]  ret_from_fork+0x3a/0x50
[  268.652317] warn_alloc_show_mem: 1 callbacks suppressed
[  268.652330] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  268.652332] Mem-Info:
[  268.652372] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  268.652372]  active_file:15 inactive_file:15 isolated_file:0
[  268.652372]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.652372]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  268.652372]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  268.652372]  free:13623 free_pcp:480 free_cma:0
[  268.657712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.665008] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.667408] Call Trace:
[  268.700457] Node 0 
[  268.709819]  <IRQ>
[  268.737595] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.740166]  dump_stack+0x1c4/0x2b4
[  268.742373] lowmem_reserve[]:
[  268.744516]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.770047]  0
[  268.773699]  warn_alloc.cold.119+0xb7/0x1bd
[  268.776761]  2819
[  268.781969]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.783742]  6323
[  268.788076]  ? lock_downgrade+0x900/0x900
[  268.790108]  6323
[  268.794949]  ? trace_hardirqs_off+0xb8/0x310
[  268.801131]  ? trace_hardirqs_off+0xb8/0x310
[  268.803166] Node 0 
[  268.807584]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.811987] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  268.814205]  ? warn_alloc+0x120/0x120
[  268.819003] lowmem_reserve[]: 0
[  268.845944]  ? trace_hardirqs_on+0x310/0x310
[  268.849716]  0
[  268.852990]  ? warn_alloc+0x120/0x120
[  268.857378]  3503
[  268.859178]  ? warn_alloc+0x120/0x120
[  268.862954]  3503
[  268.865014]  ? ktime_get+0x2e1/0x440
[  268.870848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.874529] Node 0 
[  268.880088]  ? check_preemption_disabled+0x48/0x200
[  268.880119] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  268.880126] lowmem_reserve[]:
[  268.882369]  ? kasan_check_read+0x11/0x20
[  268.887375]  0
[  268.915931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.919011]  0
[  268.923183]  ? should_fail+0x22d/0xd01
[  268.924956]  0
[  268.930505]  ? rcu_bh_qs+0xc0/0xc0
[  268.932281]  0
[  268.936177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.941502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.943286] Node 0 
[  268.948383]  ? should_fail+0x22d/0xd01
[  268.953894] DMA: 
[  268.956125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.959981] 1*4kB 
[  268.962037]  ? should_fail+0x22d/0xd01
[  268.967113] (U) 
[  268.969277]  ? rcu_idle_enter+0x4b0/0x4b0
[  268.973134] 0*8kB 
[  268.975105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.979221] 0*16kB 1*32kB 
[  268.981414]  ? mark_held_locks+0x130/0x130
[  268.986487] (U) 
[  268.989325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.993538] 2*64kB 
[  268.995512]  ? mark_held_locks+0x130/0x130
[  269.001038] (U) 
[  269.003277]  ? rcu_irq_exit+0xce/0x100
[  269.007509] 1*128kB 
[  269.009476]  ? irq_exit+0xbd/0x1c0
[  269.013348] (U) 
[  269.015677]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  269.019187] 1*256kB 
[  269.021169]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.026153] (U) 
[  269.028489]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.032873] 0*512kB 
[  269.034844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.040709] 1*1024kB 
[  269.043031]  ? ret_from_intr+0xb/0x1e
[  269.048550] (U) 
[  269.050960]  ? retint_kernel+0x2d/0x2d
[  269.054750] 1*2048kB 
[  269.056717]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.060573] (M) 
[  269.062996]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.067893] 3*4096kB 
[  269.069862]  ? trace_hardirqs_off+0x310/0x310
[  269.074604] (M) 
[  269.077023]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.081485] = 15908kB
[  269.083478]  __alloc_pages_nodemask+0xa80/0xde0
[  269.088550] Node 0 
[  269.090956]  ? should_fail+0x22d/0xd01
[  269.095593] DMA32: 
[  269.097835]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.101696] 3*4kB 
[  269.103949]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.108946] (UM) 
[  269.111091]  ? lock_downgrade+0x900/0x900
[  269.115729] 2*8kB 
[  269.117785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.121901] (UM) 
[  269.124047]  cache_grow_begin+0x91/0x8c0
[  269.129572] 2*16kB 
[  269.131641]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.135668] (M) 
[  269.137903]  fallback_alloc+0x203/0x2e0
[  269.142283] 2*32kB 
[  269.144251]  ____cache_alloc_node+0x1c7/0x1e0
[  269.148199] (M) 
[  269.150427]  kmem_cache_alloc_node+0xe3/0x730
[  269.154893] 4*64kB 
[  269.156880]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.161347] (M) 
[  269.163613]  __alloc_skb+0x119/0x770
[  269.167822] 3*128kB 
[  269.169788]  ? skb_scrub_packet+0x490/0x490
[  269.173471] (M) 
[  269.175786]  ? lock_downgrade+0x900/0x900
[  269.180092] 4*256kB 
[  269.182082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.186196] (UM) 
[  269.188515]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.194021] 3*512kB 
[  269.196091]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.201513] (M) 
[  269.203846]  ? addrconf_rs_timer+0x690/0x690
[  269.209271] 3*1024kB 
[  269.211243]  ndisc_alloc_skb+0x144/0x340
[  269.215639] (UM) 
[  269.218042]  ndisc_send_rs+0x331/0x6e0
[  269.222078] 3*2048kB 
[  269.224139]  addrconf_rs_timer+0x314/0x690
[  269.227996] (M) 
[  269.230402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.234611] 3*4096kB 
[  269.236583]  call_timer_fn+0x272/0x920
[  269.240802] (M) 
[  269.243252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.247112] = 24828kB
[  269.249084]  ? process_timeout+0x40/0x40
[  269.253290] Node 0 
[  269.255691]  ? trace_hardirqs_off+0xb8/0x310
[  269.259718] Normal: 1555*4kB 
[  269.261974]  ? kasan_check_read+0x11/0x20
[  269.266349] (UMEH) 
[  269.269456]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.273598] 298*8kB 
[  269.275826]  ? trace_hardirqs_on+0x310/0x310
[  269.280206] (ME) 
[  269.282526]  ? __run_timers+0x7da/0xc70
[  269.286906] 96*16kB 
[  269.288966]  ? lock_downgrade+0x900/0x900
[  269.292913] (ME) 
[  269.295233]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.299350] 43*32kB 
[  269.301417]  ? trace_hardirqs_on+0xbd/0x310
[  269.306491] (UME) 
[  269.308813]  ? kasan_check_read+0x11/0x20
[  269.313125] 31*64kB 
[  269.315269]  ? __run_timers+0x7da/0xc70
[  269.319401] (UM) 
[  269.321723]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.325684] 0*128kB 
[  269.327757]  ? kasan_check_write+0x14/0x20
[  269.333176] 1*256kB 
[  269.335508]  ? do_raw_spin_lock+0xc1/0x200
[  269.339713] (U) 
[  269.342033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.346238] 0*512kB 
[  269.348208]  __run_timers+0x7e5/0xc70
[  269.352413] 0*1024kB 0*2048kB 
[  269.354742]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.358524] 0*4096kB 
[  269.361710]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.367048] = 13756kB
[  269.369451]  ? timerqueue_add+0x207/0x2b0
[  269.374448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.376845]  ? enqueue_hrtimer+0x1a5/0x560
[  269.380986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.389825]  ? lock_release+0x970/0x970
[  269.394030] 3632 total pagecache pages
[  269.402600]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.406546] 0 pages in swap cache
[  269.410433]  ? kasan_check_write+0x14/0x20
[  269.415591] Swap cache stats: add 0, delete 0, find 0/0
[  269.419037]  ? pvclock_read_flags+0x160/0x160
[  269.423240] Free swap  = 0kB
[  269.428609]  ? lock_downgrade+0x900/0x900
[  269.433093] Total swap = 0kB
[  269.436306]  ? trace_hardirqs_on+0xbd/0x310
[  269.440430] 1965979 pages RAM
[  269.443445]  ? kvm_sched_clock_read+0x9/0x20
[  269.447737] 0 pages HighMem/MovableOnly
[  269.450835]  ? irq_exit+0x17f/0x1c0
[  269.455212] 342307 pages reserved
[  269.459178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.462773] 0 pages cma reserved
[  269.466240]  ? check_preemption_disabled+0x48/0x200
[  269.471815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.475107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.480165] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.486581]  run_timer_softirq+0x52/0xb0
[  269.492091] ksoftirqd/0 cpuset=
[  269.502406]  ? __this_cpu_preempt_check+0x1c/0x1f
[  269.506435] /
[  269.509706]  __do_softirq+0x30b/0xad8
[  269.514524]  mems_allowed=0
[  269.516234]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.528024]  ? pvclock_read_flags+0x160/0x160
[  269.532535]  ? lapic_next_event+0x5a/0x90
[  269.536684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.542225]  ? clockevents_program_event+0x140/0x370
[  269.547330]  ? kvm_clock_read+0x18/0x30
[  269.551305]  ? kvm_sched_clock_read+0x9/0x20
[  269.555714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.561251]  ? check_preemption_disabled+0x48/0x200
[  269.566290]  irq_exit+0x17f/0x1c0
[  269.570225]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.575062]  ? smp_reschedule_interrupt+0x109/0x650
[  269.580074]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.585990]  ? interrupt_entry+0xb5/0xf0
[  269.590048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.595076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.600090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.604935]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.609950]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.614975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.620518]  ? check_preemption_disabled+0x48/0x200
[  269.625535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.631076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.635924]  apic_timer_interrupt+0xf/0x20
[  269.640181]  </IRQ>
[  269.642449] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.647382] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  269.666284] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.673999] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  269.681272] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  269.688555] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  269.695823] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  269.703104] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  269.710408]  ? trace_hardirqs_on+0xb4/0x310
[  269.714741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.720281]  skb_clone+0x1bb/0x500
[  269.723835]  ? finish_task_switch+0x2f5/0x900
[  269.728331]  ? skb_split+0x11e0/0x11e0
[  269.732230]  ? preempt_notifier_register+0x200/0x200
[  269.737336]  ? __switch_to_asm+0x34/0x70
[  269.741404]  ? __switch_to_asm+0x34/0x70
[  269.745466]  ? __switch_to_asm+0x40/0x70
[  269.749539]  ? __switch_to_asm+0x34/0x70
[  269.753600]  ? __switch_to_asm+0x40/0x70
[  269.757658]  ? __switch_to_asm+0x34/0x70
[  269.761713]  ? __switch_to_asm+0x40/0x70
[  269.765788]  ? __switch_to_asm+0x34/0x70
[  269.769851]  ? __switch_to_asm+0x34/0x70
[  269.773907]  ? __switch_to_asm+0x40/0x70
[  269.777985]  ? __switch_to_asm+0x34/0x70
[  269.782053]  bpf_clone_redirect+0xb9/0x490
[  269.786288]  ? __schedule+0x874/0x1ed0
[  269.790180]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  269.795194]  ? __sched_text_start+0x8/0x8
[  269.799342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.804108]  ? retint_kernel+0x2d/0x2d
[  269.808008]  ? lock_acquire+0x1ed/0x520
[  269.811984]  ? bpf_test_run+0x3cb/0x780
[  269.815963]  ? lock_release+0x970/0x970
[  269.819932]  ? preempt_schedule+0x4d/0x60
[  269.824090]  ? preempt_schedule_common+0x1f/0xd0
[  269.828876]  ? preempt_schedule+0x4d/0x60
[  269.833020]  ? ___preempt_schedule+0x16/0x18
[  269.837479]  ? bpf_test_run+0x25d/0x780
[  269.841459]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.845883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.851419]  ? bpf_test_init.isra.9+0x70/0x100
[  269.856006]  ? bpf_prog_test_run_skb+0x634/0xb40
[  269.860764]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.865614]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.871158]  ? fput+0x130/0x1a0
[  269.874439]  ? __bpf_prog_get+0x9b/0x290
[  269.878507]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.883362]  ? bpf_prog_test_run+0x130/0x1a0
[  269.887774]  ? __x64_sys_bpf+0x3d8/0x510
[  269.891836]  ? bpf_prog_get+0x20/0x20
[  269.895648]  ? do_syscall_64+0x1b9/0x820
[  269.899714]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.905080]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.910013]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.915029]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.920046]  ? recalc_sigpending_tsk+0x180/0x180
[  269.924803]  ? kasan_check_write+0x14/0x20
[  269.929044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.933894]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.939270] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  269.939336] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.946115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.946120] Call Trace:
[  269.946141]  dump_stack+0x1c4/0x2b4
[  269.946155]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.946178]  warn_alloc.cold.119+0xb7/0x1bd
[  269.952701] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.961994]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.964550] syz-executor4 cpuset=
[  269.968169]  ? lock_downgrade+0x900/0x900
[  269.973329] syz4
[  269.977653]  ? trace_hardirqs_off+0xb8/0x310
[  269.988123]  mems_allowed=0
[  269.992954]  ? trace_hardirqs_off+0xb8/0x310
[  270.014191]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.019050]  ? warn_alloc+0x120/0x120
[  270.022850]  ? warn_alloc+0x120/0x120
[  270.026655]  ? warn_alloc+0x120/0x120
[  270.030458]  ? mark_held_locks+0x130/0x130
[  270.034696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.040230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.045768]  ? should_fail+0x22d/0xd01
[  270.049655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.054754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.060290]  ? should_fail+0x22d/0xd01
[  270.064182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.069281]  ? should_fail+0x22d/0xd01
[  270.073172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.078279]  ? mark_held_locks+0x130/0x130
[  270.082514]  ? mark_held_locks+0x130/0x130
[  270.086749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.092287]  ? trace_hardirqs_off+0xb8/0x310
[  270.096721]  ? kasan_check_read+0x11/0x20
[  270.100884]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.105305]  ? trace_hardirqs_on+0x310/0x310
[  270.109725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.115275]  ? wq_watchdog_touch+0x9c/0xfe
[  270.119512]  ? io_serial_in+0x11/0x90
[  270.123316]  ? retint_kernel+0x2d/0x2d
[  270.127205]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.132168]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.136924]  ? trace_hardirqs_off+0x310/0x310
[  270.141419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.146562]  __alloc_pages_nodemask+0xa80/0xde0
[  270.151233]  ? should_fail+0x22d/0xd01
[  270.155122]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.160158]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.164837]  ? lock_downgrade+0x900/0x900
[  270.169005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.174543]  cache_grow_begin+0x91/0x8c0
[  270.178604]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.183018]  fallback_alloc+0x203/0x2e0
[  270.186995]  ____cache_alloc_node+0x1c7/0x1e0
[  270.191493]  kmem_cache_alloc_node+0xe3/0x730
[  270.195993]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.200233]  __alloc_skb+0x119/0x770
[  270.203977]  ? skb_scrub_packet+0x490/0x490
[  270.208300]  ? lock_downgrade+0x900/0x900
[  270.212455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.217991]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.223440]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.228907]  ? addrconf_rs_timer+0x690/0x690
[  270.233348]  ndisc_alloc_skb+0x144/0x340
[  270.237433]  ndisc_send_rs+0x331/0x6e0
[  270.241321]  addrconf_rs_timer+0x314/0x690
[  270.245557]  ? lock_release+0x970/0x970
[  270.249529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.253771]  call_timer_fn+0x272/0x920
[  270.257654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.261889]  ? process_timeout+0x40/0x40
[  270.265948]  ? kasan_check_read+0x11/0x20
[  270.270098]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.274506]  ? trace_hardirqs_on+0x310/0x310
[  270.278920]  ? __run_timers+0x7da/0xc70
[  270.282910]  ? lock_downgrade+0x900/0x900
[  270.287076]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.292191]  ? trace_hardirqs_on+0xbd/0x310
[  270.296511]  ? kasan_check_read+0x11/0x20
[  270.300668]  ? __run_timers+0x7da/0xc70
[  270.304655]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.310105]  ? kasan_check_write+0x14/0x20
[  270.314343]  ? do_raw_spin_lock+0xc1/0x200
[  270.318601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.322839]  __run_timers+0x7e5/0xc70
[  270.326650]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  270.332015]  ? compat_start_thread+0x80/0x80
[  270.336420]  ? dequeue_entity+0x1770/0x1770
[  270.340759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.346386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.351941]  ? _raw_spin_unlock_irq+0x60/0x80
[  270.356437]  ? finish_task_switch+0x1f5/0x900
[  270.360946]  ? finish_task_switch+0x1b5/0x900
[  270.365441]  ? __switch_to_asm+0x34/0x70
[  270.369500]  ? preempt_notifier_register+0x200/0x200
[  270.374621]  ? __switch_to_asm+0x34/0x70
[  270.378682]  ? __switch_to_asm+0x40/0x70
[  270.382752]  ? __switch_to_asm+0x34/0x70
[  270.386822]  ? __switch_to_asm+0x40/0x70
[  270.390880]  ? __switch_to_asm+0x34/0x70
[  270.394936]  ? __switch_to_asm+0x40/0x70
[  270.398994]  ? __switch_to_asm+0x40/0x70
[  270.403062]  ? pvclock_read_flags+0x160/0x160
[  270.407571]  ? __schedule+0x874/0x1ed0
[  270.411460]  ? run_rebalance_domains+0x38d/0x500
[  270.416218]  ? trace_hardirqs_on+0xbd/0x310
[  270.420539]  ? kvm_sched_clock_read+0x9/0x20
[  270.424947]  ? run_ksoftirqd+0x94/0x100
[  270.428935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.434477]  ? check_preemption_disabled+0x48/0x200
[  270.439508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.445048]  run_timer_softirq+0x52/0xb0
[  270.449110]  ? __this_cpu_preempt_check+0x1c/0x1f
[  270.453965]  __do_softirq+0x30b/0xad8
[  270.457771]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  270.462872]  ? trace_hardirqs_off+0xb8/0x310
[  270.467280]  ? schedule+0x108/0x460
[  270.470922]  ? __schedule+0x1ed0/0x1ed0
[  270.474913]  ? run_ksoftirqd+0x40/0x100
[  270.478890]  ? trace_hardirqs_off+0xb8/0x310
[  270.483309]  ? ___might_sleep+0x1ed/0x300
[  270.487453]  ? smpboot_thread_fn+0x68b/0xa00
[  270.491861]  ? trace_hardirqs_on+0x310/0x310
[  270.496269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.501807]  ? check_preemption_disabled+0x48/0x200
[  270.506832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.512374]  ? takeover_tasklets+0xa90/0xa90
[  270.516786]  run_ksoftirqd+0x94/0x100
[  270.520586]  smpboot_thread_fn+0x68b/0xa00
[  270.524828]  ? sort_range+0x30/0x30
[  270.528460]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.533563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.539098]  ? __kthread_parkme+0xfb/0x1a0
[  270.543336]  kthread+0x35a/0x420
[  270.546704]  ? sort_range+0x30/0x30
[  270.550326]  ? kthread_bind+0x40/0x40
[  270.554134]  ret_from_fork+0x3a/0x50
[  270.557852] warn_alloc_show_mem: 1 callbacks suppressed
[  270.557864] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  270.557866] Mem-Info:
[  270.557897] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  270.557897]  active_file:15 inactive_file:15 isolated_file:0
[  270.557897]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.557897]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  270.557897]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  270.557897]  free:13623 free_pcp:480 free_cma:0
[  270.563232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.570503] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.572915] Call Trace:
[  270.605962] Node 0 
[  270.615319]  <IRQ>
[  270.643165] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  270.645761]  dump_stack+0x1c4/0x2b4
[  270.647979] lowmem_reserve[]:
[  270.650148]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.675640]  0
[  270.679277]  warn_alloc.cold.119+0xb7/0x1bd
[  270.682339]  2819
[  270.687532]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.689301]  6323
[  270.693615]  ? lock_downgrade+0x900/0x900
[  270.695655]  6323
[  270.700493]  ? trace_hardirqs_off+0xb8/0x310
[  270.706671]  ? trace_hardirqs_off+0xb8/0x310
[  270.708710] Node 0 
[  270.713110]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.717511] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  270.719748]  ? warn_alloc+0x120/0x120
[  270.724552] lowmem_reserve[]:
[  270.751456]  ? warn_alloc+0x120/0x120
[  270.755231]  0
[  270.758334]  ? warn_alloc+0x120/0x120
[  270.762100]  0
[  270.763901]  ? mark_held_locks+0x130/0x130
[  270.767669]  3503
[  270.769466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.773671]  3503
[  270.775730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.783296]  ? should_fail+0x22d/0xd01
[  270.788806] Node 0 
[  270.792690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.792721] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  270.792729] lowmem_reserve[]:
[  270.794961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.800036]  0
[  270.828583]  ? should_fail+0x22d/0xd01
[  270.831677]  0
[  270.837210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.838979]  0
[  270.842861]  ? should_fail+0x22d/0xd01
[  270.844643]  0
[  270.849737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.855399]  ? mark_held_locks+0x130/0x130
[  270.857204] Node 0 
[  270.862298]  ? mark_held_locks+0x130/0x130
[  270.866506] DMA: 
[  270.868737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.872941] 1*4kB 
[  270.875001]  ? trace_hardirqs_off+0xb8/0x310
[  270.880511] (U) 
[  270.882662]  ? kasan_check_read+0x11/0x20
[  270.887039] 0*8kB 
[  270.889007]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.893119] 0*16kB 1*32kB 
[  270.895287]  ? trace_hardirqs_on+0x310/0x310
[  270.899681] (U) 
[  270.902519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.906897] 2*64kB 
[  270.908867]  ? wq_watchdog_touch+0x9c/0xfe
[  270.914380] (U) 
[  270.916612]  ? io_serial_in+0x11/0x90
[  270.920823] 1*128kB 
[  270.922796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.926566] (U) 
[  270.928893]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.934398] 1*256kB 
[  270.936393]  __alloc_pages_nodemask+0xa80/0xde0
[  270.941467] (U) 
[  270.943791]  ? should_fail+0x22d/0xd01
[  270.948430] 0*512kB 
[  270.950418]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.954278] 1*1024kB 
[  270.956621]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.961604] (U) 
[  270.964007]  ? lock_downgrade+0x900/0x900
[  270.968648] 1*2048kB 
[  270.970619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.974754] (M) 
[  270.977161]  cache_grow_begin+0x91/0x8c0
[  270.982670] 3*4096kB 
[  270.984646]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.988693] (M) 
[  270.991101]  fallback_alloc+0x203/0x2e0
[  270.995480] = 15908kB
[  270.997449]  ____cache_alloc_node+0x1c7/0x1e0
[  271.001394] Node 0 
[  271.003796]  kmem_cache_alloc_node+0xe3/0x730
[  271.008266] DMA32: 
[  271.010496]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.014962] 3*4kB 
[  271.017192]  __alloc_skb+0x119/0x770
[  271.021400] (UM) 
[  271.023541]  ? skb_scrub_packet+0x490/0x490
[  271.027233] 2*8kB 
[  271.029302]  ? lock_downgrade+0x900/0x900
[  271.033594] (UM) 
[  271.035742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.039860] 2*16kB 
[  271.041920]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.047426] (M) 
[  271.049657]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.055079] 2*32kB 
[  271.057048]  ? addrconf_rs_timer+0x690/0x690
[  271.062484] (M) 
[  271.064716]  ndisc_alloc_skb+0x144/0x340
[  271.069093] 4*64kB 
[  271.071060]  ndisc_send_rs+0x331/0x6e0
[  271.075097] (M) 
[  271.077344]  addrconf_rs_timer+0x314/0x690
[  271.081215] 3*128kB 
[  271.083182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.087389] (M) 
[  271.089711]  call_timer_fn+0x272/0x920
[  271.093912] 4*256kB 
[  271.095879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.099741] (UM) 
[  271.102057]  ? process_timeout+0x40/0x40
[  271.106264] 3*512kB 
[  271.108322]  ? trace_hardirqs_off+0xb8/0x310
[  271.112364] (M) 
[  271.114688]  ? kasan_check_read+0x11/0x20
[  271.119081] 3*1024kB 
[  271.121071]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.125188] (UM) 
[  271.127593]  ? trace_hardirqs_on+0x310/0x310
[  271.131973] 3*2048kB 
[  271.134031]  ? __run_timers+0x7da/0xc70
[  271.138411] (M) 
[  271.140815]  ? lock_downgrade+0x900/0x900
[  271.144775] 3*4096kB 
[  271.146750]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  271.150866] (M) 
[  271.153272]  ? trace_hardirqs_on+0xbd/0x310
[  271.158345] = 24828kB
[  271.160324]  ? kasan_check_read+0x11/0x20
[  271.164621] Node 0 
[  271.167018]  ? __run_timers+0x7da/0xc70
[  271.171136] Normal: 
[  271.173375]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.177319] 1555*4kB 
[  271.179636]  ? kasan_check_write+0x14/0x20
[  271.179656]  ? do_raw_spin_lock+0xc1/0x200
[  271.185078] (UMEH) 
[  271.187482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.191685] 298*8kB (ME) 
[  271.195921]  __run_timers+0x7e5/0xc70
[  271.198151] 96*16kB 
[  271.202388]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  271.205113] (ME) 
[  271.208911]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.211211] 43*32kB 
[  271.216589]  ? timerqueue_add+0x207/0x2b0
[  271.218630] (UME) 
[  271.223654]  ? enqueue_hrtimer+0x1a5/0x560
[  271.225951] 31*64kB 
[  271.230093]  ? lock_release+0x970/0x970
[  271.232222] (UM) 
[  271.236451]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.238772] 0*128kB 
[  271.242745]  ? kasan_check_write+0x14/0x20
[  271.244839] 1*256kB 
[  271.250038]  ? pvclock_read_flags+0x160/0x160
[  271.252368] (U) 
[  271.256594]  ? lock_downgrade+0x900/0x900
[  271.258893] 0*512kB 
[  271.263390]  ? trace_hardirqs_on+0xbd/0x310
[  271.265336] 0*1024kB 
[  271.269483]  ? kvm_sched_clock_read+0x9/0x20
[  271.271778] 0*2048kB 
[  271.276093]  ? irq_exit+0x17f/0x1c0
[  271.278479] 0*4096kB 
[  271.282881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.285263] = 13756kB
[  271.288918]  ? check_preemption_disabled+0x48/0x200
[  271.291303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.296832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.299246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.304254]  run_timer_softirq+0x52/0xb0
[  271.313091] 3632 total pagecache pages
[  271.318635]  ? __this_cpu_preempt_check+0x1c/0x1f
[  271.318652]  __do_softirq+0x30b/0xad8
[  271.327203] 0 pages in swap cache
[  271.331257]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  271.335116] Swap cache stats: add 0, delete 0, find 0/0
[  271.339969]  ? pvclock_read_flags+0x160/0x160
[  271.343742] Free swap  = 0kB
[  271.347185]  ? lapic_next_event+0x5a/0x90
[  271.352260] Total swap = 0kB
[  271.357615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.362098] 1965979 pages RAM
[  271.365112]  ? clockevents_program_event+0x140/0x370
[  271.369228] 0 pages HighMem/MovableOnly
[  271.372236]  ? kvm_clock_read+0x18/0x30
[  271.377744] 342307 pages reserved
[  271.380843]  ? kvm_sched_clock_read+0x9/0x20
[  271.385915] 0 pages cma reserved
[  271.389883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.393890] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.397268]  ? check_preemption_disabled+0x48/0x200
[  271.397289]  irq_exit+0x17f/0x1c0
[  271.401758] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.405060]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.410569] ksoftirqd/0 cpuset=
[  271.417066]  ? smp_reschedule_interrupt+0x109/0x650
[  271.422071] /
[  271.425534]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.436030]  mems_allowed=0
[  271.459650]  ? interrupt_entry+0xb5/0xf0
[  271.463714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.468726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.473742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.478590]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.483605]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.488619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.494158]  ? check_preemption_disabled+0x48/0x200
[  271.499171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.504712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.509560]  apic_timer_interrupt+0xf/0x20
[  271.513807]  </IRQ>
[  271.516051] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.520981] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  271.539885] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  271.547596] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  271.554867] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  271.562134] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  271.569868] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  271.577134] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  271.584424]  ? trace_hardirqs_on+0xb4/0x310
[  271.588752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.594299]  skb_clone+0x1bb/0x500
[  271.597841]  ? finish_task_switch+0x2f5/0x900
[  271.602333]  ? skb_split+0x11e0/0x11e0
[  271.606230]  ? preempt_notifier_register+0x200/0x200
[  271.611350]  ? __switch_to_asm+0x34/0x70
[  271.615444]  ? __switch_to_asm+0x34/0x70
[  271.619502]  ? __switch_to_asm+0x40/0x70
[  271.623558]  ? __switch_to_asm+0x34/0x70
[  271.627617]  ? __switch_to_asm+0x40/0x70
[  271.631670]  ? __switch_to_asm+0x34/0x70
[  271.635742]  ? __switch_to_asm+0x40/0x70
[  271.639826]  ? __switch_to_asm+0x34/0x70
[  271.643881]  ? __switch_to_asm+0x34/0x70
[  271.647939]  ? __switch_to_asm+0x40/0x70
[  271.651993]  ? __switch_to_asm+0x34/0x70
[  271.656060]  bpf_clone_redirect+0xb9/0x490
[  271.660294]  ? __schedule+0x874/0x1ed0
[  271.664182]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  271.669198]  ? __sched_text_start+0x8/0x8
[  271.673370]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.678136]  ? retint_kernel+0x2d/0x2d
[  271.682030]  ? lock_acquire+0x1ed/0x520
[  271.686007]  ? bpf_test_run+0x3cb/0x780
[  271.689981]  ? lock_release+0x970/0x970
[  271.693948]  ? preempt_schedule+0x4d/0x60
[  271.698093]  ? preempt_schedule_common+0x1f/0xd0
[  271.702864]  ? preempt_schedule+0x4d/0x60
[  271.707017]  ? ___preempt_schedule+0x16/0x18
[  271.711430]  ? bpf_test_run+0x25d/0x780
[  271.715411]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.719838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.725377]  ? bpf_test_init.isra.9+0x70/0x100
[  271.729971]  ? bpf_prog_test_run_skb+0x634/0xb40
[  271.734726]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.739563]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.745095]  ? fput+0x130/0x1a0
[  271.748407]  ? __bpf_prog_get+0x9b/0x290
[  271.752481]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.757338]  ? bpf_prog_test_run+0x130/0x1a0
[  271.761771]  ? __x64_sys_bpf+0x3d8/0x510
[  271.765831]  ? bpf_prog_get+0x20/0x20
[  271.769641]  ? do_syscall_64+0x1b9/0x820
[  271.773707]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.779075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.784023]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.789057]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.794089]  ? recalc_sigpending_tsk+0x180/0x180
[  271.798854]  ? kasan_check_write+0x14/0x20
[  271.803092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.807951]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.813329] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  271.813402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.820179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.820183] Call Trace:
[  271.820203]  dump_stack+0x1c4/0x2b4
[  271.820217]  ? dump_stack_print_info.cold.2+0x52/0x52
[  271.820238]  warn_alloc.cold.119+0xb7/0x1bd
[  271.826787] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.836056]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.838648] syz-executor4 cpuset=
[  271.842268]  ? lock_downgrade+0x900/0x900
[  271.847427] syz4
[  271.851740]  ? trace_hardirqs_off+0xb8/0x310
[  271.862201]  mems_allowed=0
[  271.867045]  ? trace_hardirqs_off+0xb8/0x310
[  271.888274]  __alloc_pages_slowpath+0x2667/0x2d80
[  271.893135]  ? warn_alloc+0x120/0x120
[  271.896940]  ? warn_alloc+0x120/0x120
[  271.900741]  ? warn_alloc+0x120/0x120
[  271.904544]  ? mark_held_locks+0x130/0x130
[  271.908786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.914320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.919855]  ? should_fail+0x22d/0xd01
[  271.923745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.928843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.934382]  ? should_fail+0x22d/0xd01
[  271.938271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.943379]  ? should_fail+0x22d/0xd01
[  271.947271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.952386]  ? mark_held_locks+0x130/0x130
[  271.956648]  ? mark_held_locks+0x130/0x130
[  271.960882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.966421]  ? trace_hardirqs_off+0xb8/0x310
[  271.970830]  ? kasan_check_read+0x11/0x20
[  271.974978]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.979389]  ? trace_hardirqs_on+0x310/0x310
[  271.983794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.989327]  ? wq_watchdog_touch+0x9c/0xfe
[  271.993569]  ? io_serial_in+0x11/0x90
[  271.997385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.002931]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.008044]  __alloc_pages_nodemask+0xa80/0xde0
[  272.012733]  ? should_fail+0x22d/0xd01
[  272.016626]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.021676]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.026389]  ? lock_downgrade+0x900/0x900
[  272.030571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.036113]  cache_grow_begin+0x91/0x8c0
[  272.040178]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.044640]  fallback_alloc+0x203/0x2e0
[  272.048636]  ____cache_alloc_node+0x1c7/0x1e0
[  272.053136]  kmem_cache_alloc_node+0xe3/0x730
[  272.057636]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.061890]  __alloc_skb+0x119/0x770
[  272.065606]  ? skb_scrub_packet+0x490/0x490
[  272.069935]  ? lock_downgrade+0x900/0x900
[  272.074092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.079648]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.085098]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.090545]  ? addrconf_rs_timer+0x690/0x690
[  272.094961]  ndisc_alloc_skb+0x144/0x340
[  272.099022]  ndisc_send_rs+0x331/0x6e0
[  272.102906]  addrconf_rs_timer+0x314/0x690
[  272.107135]  ? lock_release+0x970/0x970
[  272.111123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.115385]  call_timer_fn+0x272/0x920
[  272.119270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.123517]  ? process_timeout+0x40/0x40
[  272.127579]  ? kasan_check_read+0x11/0x20
[  272.131730]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.136140]  ? trace_hardirqs_on+0x310/0x310
[  272.140551]  ? __run_timers+0x7da/0xc70
[  272.144521]  ? lock_downgrade+0x900/0x900
[  272.148673]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.153781]  ? trace_hardirqs_on+0xbd/0x310
[  272.158119]  ? kasan_check_read+0x11/0x20
[  272.162280]  ? __run_timers+0x7da/0xc70
[  272.166257]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.171716]  ? kasan_check_write+0x14/0x20
[  272.175952]  ? do_raw_spin_lock+0xc1/0x200
[  272.180192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.184452]  __run_timers+0x7e5/0xc70
[  272.188263]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.193643]  ? compat_start_thread+0x80/0x80
[  272.198047]  ? dequeue_entity+0x1770/0x1770
[  272.202377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.207915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.213467]  ? _raw_spin_unlock_irq+0x60/0x80
[  272.217964]  ? finish_task_switch+0x1f5/0x900
[  272.222458]  ? finish_task_switch+0x1b5/0x900
[  272.226953]  ? __switch_to_asm+0x34/0x70
[  272.231018]  ? preempt_notifier_register+0x200/0x200
[  272.236130]  ? __switch_to_asm+0x34/0x70
[  272.240184]  ? __switch_to_asm+0x40/0x70
[  272.244253]  ? __switch_to_asm+0x34/0x70
[  272.248311]  ? __switch_to_asm+0x40/0x70
[  272.252389]  ? __switch_to_asm+0x34/0x70
[  272.256453]  ? __switch_to_asm+0x40/0x70
[  272.260526]  ? __switch_to_asm+0x40/0x70
[  272.264593]  ? pvclock_read_flags+0x160/0x160
[  272.269088]  ? __schedule+0x874/0x1ed0
[  272.272976]  ? run_rebalance_domains+0x38d/0x500
[  272.277743]  ? trace_hardirqs_on+0xbd/0x310
[  272.282071]  ? kvm_sched_clock_read+0x9/0x20
[  272.286479]  ? run_ksoftirqd+0x94/0x100
[  272.290455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.295995]  ? check_preemption_disabled+0x48/0x200
[  272.301011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.306551]  run_timer_softirq+0x52/0xb0
[  272.310613]  ? __this_cpu_preempt_check+0x1c/0x1f
[  272.315503]  __do_softirq+0x30b/0xad8
[  272.319336]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  272.324463]  ? trace_hardirqs_off+0xb8/0x310
[  272.328875]  ? schedule+0x108/0x460
[  272.332500]  ? __schedule+0x1ed0/0x1ed0
[  272.336479]  ? run_ksoftirqd+0x40/0x100
[  272.340458]  ? trace_hardirqs_off+0xb8/0x310
[  272.344865]  ? ___might_sleep+0x1ed/0x300
[  272.349009]  ? smpboot_thread_fn+0x68b/0xa00
[  272.353430]  ? trace_hardirqs_on+0x310/0x310
[  272.357871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.363409]  ? check_preemption_disabled+0x48/0x200
[  272.368441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.373992]  ? takeover_tasklets+0xa90/0xa90
[  272.378400]  run_ksoftirqd+0x94/0x100
[  272.382205]  smpboot_thread_fn+0x68b/0xa00
[  272.386440]  ? sort_range+0x30/0x30
[  272.390070]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.395171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.400712]  ? __kthread_parkme+0xfb/0x1a0
[  272.404950]  kthread+0x35a/0x420
[  272.408318]  ? sort_range+0x30/0x30
[  272.411940]  ? kthread_bind+0x40/0x40
[  272.415746]  ret_from_fork+0x3a/0x50
[  272.419496] warn_alloc_show_mem: 1 callbacks suppressed
[  272.419509] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  272.419511] Mem-Info:
[  272.419543] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  272.419543]  active_file:15 inactive_file:15 isolated_file:0
[  272.419543]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.419543]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  272.419543]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  272.419543]  free:13623 free_pcp:480 free_cma:0
[  272.424887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.432166] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.434563] Call Trace:
[  272.467623] Node 0 
[  272.476972]  <IRQ>
[  272.504956] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  272.507520]  dump_stack+0x1c4/0x2b4
[  272.509724] lowmem_reserve[]:
[  272.511873]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.537367]  0
[  272.541008]  warn_alloc.cold.119+0xb7/0x1bd
[  272.544104]  2819
[  272.549350]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.551120]  6323 6323
[  272.555476]  ? lock_downgrade+0x900/0x900
[  272.562370]  ? trace_hardirqs_off+0xb8/0x310
[  272.564835] Node 0 
[  272.568975]  ? trace_hardirqs_off+0xb8/0x310
[  272.573388] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  272.575594]  __alloc_pages_slowpath+0x2667/0x2d80
[  272.579973] lowmem_reserve[]:
[  272.606894]  ? warn_alloc+0x120/0x120
[  272.611701]  0
[  272.614806]  ? trace_hardirqs_on+0x310/0x310
[  272.618578]  0
[  272.620392]  ? warn_alloc+0x120/0x120
[  272.624787]  3503
[  272.626584]  ? warn_alloc+0x120/0x120
[  272.630361]  3503
[  272.632435]  ? ktime_get+0x2e1/0x440
[  272.638263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.641944] Node 0 
[  272.647475]  ? check_preemption_disabled+0x48/0x200
[  272.647510] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  272.649718]  ? kasan_check_read+0x11/0x20
[  272.654702] lowmem_reserve[]:
[  272.683248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.687373]  0
[  272.690473]  ? should_fail+0x22d/0xd01
[  272.695977]  0
[  272.697774]  ? rcu_bh_qs+0xc0/0xc0
[  272.701632]  0
[  272.703431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.706941]  0
[  272.708738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.715608]  ? should_fail+0x22d/0xd01
[  272.721118] Node 0 DMA: 
[  272.724999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.725014]  ? should_fail+0x22d/0xd01
[  272.727666] 1*4kB 
[  272.732761]  ? rcu_idle_enter+0x4b0/0x4b0
[  272.736623] (U) 
[  272.738763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.742899] 0*8kB 
[  272.744867]  ? mark_held_locks+0x130/0x130
[  272.749942] 0*16kB 
[  272.752114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.756317] 1*32kB 
[  272.758544]  ? mark_held_locks+0x130/0x130
[  272.764052] (U) 
[  272.766283]  ? rcu_irq_exit+0xce/0x100
[  272.770486] 2*64kB 
[  272.772486]  ? irq_exit+0xbd/0x1c0
[  272.776343] (U) 
[  272.778583]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  272.782095] 1*128kB 
[  272.784073]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.789073] (U) 
[  272.791422]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.795799] 1*256kB 
[  272.797775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.803660] (U) 
[  272.805980]  ? ret_from_intr+0xb/0x1e
[  272.811488] 0*512kB 
[  272.813457]  ? retint_kernel+0x2d/0x2d
[  272.817230] 1*1024kB 
[  272.819547]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.823406] (U) 
[  272.825828]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.830726] 1*2048kB 
[  272.832694]  ? trace_hardirqs_off+0x310/0x310
[  272.837422] (M) 
[  272.839844]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.844305] 3*4096kB 
[  272.846274]  __alloc_pages_nodemask+0xa80/0xde0
[  272.851346] (M) 
[  272.853773]  ? should_fail+0x22d/0xd01
[  272.858416] = 15908kB
[  272.860399]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.864257] Node 0 
[  272.866670]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.871647] DMA32: 
[  272.873898]  ? lock_downgrade+0x900/0x900
[  272.878535] 3*4kB 
[  272.880766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.884881] (UM) 
[  272.887031]  cache_grow_begin+0x91/0x8c0
[  272.892536] 2*8kB 
[  272.894597]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.898625] (UM) 
[  272.900778]  fallback_alloc+0x203/0x2e0
[  272.905158] 2*16kB 
[  272.907231]  ____cache_alloc_node+0x1c7/0x1e0
[  272.911175] (M) 
[  272.913438]  kmem_cache_alloc_node+0xe3/0x730
[  272.917920] 2*32kB 
[  272.919890]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.924354] (M) 
[  272.926609]  __alloc_skb+0x119/0x770
[  272.930819] 4*64kB 
[  272.932791]  ? skb_scrub_packet+0x490/0x490
[  272.936476] (M) 
[  272.938706]  ? lock_downgrade+0x900/0x900
[  272.943000] 3*128kB 
[  272.944978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.949098] (M) 
[  272.951430]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.956938] 4*256kB 
[  272.958915]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.964335] (UM) 
[  272.966661]  ? addrconf_rs_timer+0x690/0x690
[  272.972083] 3*512kB 
[  272.974147]  ndisc_alloc_skb+0x144/0x340
[  272.978523] (M) 
[  272.980841]  ndisc_send_rs+0x331/0x6e0
[  272.984874] 3*1024kB 
[  272.986841]  addrconf_rs_timer+0x314/0x690
[  272.990700] (UM) 
[  272.993126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.997344] 3*2048kB 
[  272.999413]  call_timer_fn+0x272/0x920
[  273.003638] (M) 
[  273.006043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.009902] 3*4096kB 
[  273.011875]  ? process_timeout+0x40/0x40
[  273.016106] (M) 
[  273.018515]  ? trace_hardirqs_off+0xb8/0x310
[  273.022549] = 24828kB
[  273.024519]  ? kasan_check_read+0x11/0x20
[  273.028900] Node 0 
[  273.031309]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.035425] Normal: 
[  273.037655]  ? trace_hardirqs_on+0x310/0x310
[  273.042034] 1555*4kB 
[  273.044350]  ? __run_timers+0x7da/0xc70
[  273.048736] (UMEH) 
[  273.051146]  ? lock_downgrade+0x900/0x900
[  273.055091] 298*8kB 
[  273.057323]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.061442] (ME) 
[  273.063759]  ? trace_hardirqs_on+0xbd/0x310
[  273.068838] 96*16kB 
[  273.070909]  ? kasan_check_read+0x11/0x20
[  273.075198] (ME) 
[  273.077518]  ? __run_timers+0x7da/0xc70
[  273.081644] 43*32kB 
[  273.083705]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.087651] (UME) 
[  273.089989]  ? kasan_check_write+0x14/0x20
[  273.095409] 31*64kB 
[  273.097557]  ? do_raw_spin_lock+0xc1/0x200
[  273.101790] (UM) 
[  273.104111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.108315] 0*128kB 
[  273.110406]  __run_timers+0x7e5/0xc70
[  273.114609] 1*256kB 
[  273.116929]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  273.120699] (U) 
[  273.123021]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.128354] 0*512kB 
[  273.130333]  ? timerqueue_add+0x207/0x2b0
[  273.135317] 0*1024kB 
[  273.137635]  ? enqueue_hrtimer+0x1a5/0x560
[  273.141759] 0*2048kB 
[  273.144166]  ? lock_release+0x970/0x970
[  273.148378] 0*4096kB 
[  273.150783]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.154730] = 13756kB
[  273.157155]  ? kasan_check_write+0x14/0x20
[  273.162319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.164721]  ? pvclock_read_flags+0x160/0x160
[  273.168931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.177755]  ? lock_downgrade+0x900/0x900
[  273.182226] 3632 total pagecache pages
[  273.190800]  ? trace_hardirqs_on+0xbd/0x310
[  273.194916] 0 pages in swap cache
[  273.198833]  ? kvm_sched_clock_read+0x9/0x20
[  273.203150] Swap cache stats: add 0, delete 0, find 0/0
[  273.206597]  ? irq_exit+0x17f/0x1c0
[  273.210976] Free swap  = 0kB
[  273.216349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.219952] Total swap = 0kB
[  273.222966]  ? check_preemption_disabled+0x48/0x200
[  273.228476] 1965979 pages RAM
[  273.231488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.236479] 0 pages HighMem/MovableOnly
[  273.239580]  run_timer_softirq+0x52/0xb0
[  273.245085] 342307 pages reserved
[  273.249055]  ? __this_cpu_preempt_check+0x1c/0x1f
[  273.253085] 0 pages cma reserved
[  273.256529]  __do_softirq+0x30b/0xad8
[  273.261434] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.264708]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  273.268550] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.274964]  ? pvclock_read_flags+0x160/0x160
[  273.280038] ksoftirqd/0 cpuset=
[  273.290341]  ? lapic_next_event+0x5a/0x90
[  273.294812] /
[  273.298087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.302206]  mems_allowed=0
[  273.303912]  ? clockevents_program_event+0x140/0x370
[  273.317469]  ? kvm_clock_read+0x18/0x30
[  273.321447]  ? kvm_sched_clock_read+0x9/0x20
[  273.325858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.331399]  ? check_preemption_disabled+0x48/0x200
[  273.336421]  irq_exit+0x17f/0x1c0
[  273.339875]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.344712]  ? smp_reschedule_interrupt+0x109/0x650
[  273.349725]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.355638]  ? interrupt_entry+0xb5/0xf0
[  273.359732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.364756]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.369770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.374612]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.379629]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.384647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.390200]  ? check_preemption_disabled+0x48/0x200
[  273.395219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.400763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.405612]  apic_timer_interrupt+0xf/0x20
[  273.409838]  </IRQ>
[  273.412080] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.417013] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  273.435915] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  273.443625] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  273.450890] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  273.458159] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  273.465444] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  273.472711] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  273.480007]  ? trace_hardirqs_on+0xb4/0x310
[  273.484341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.489891]  skb_clone+0x1bb/0x500
[  273.493450]  ? finish_task_switch+0x2f5/0x900
[  273.497946]  ? skb_split+0x11e0/0x11e0
[  273.501837]  ? preempt_notifier_register+0x200/0x200
[  273.506961]  ? __switch_to_asm+0x34/0x70
[  273.511023]  ? __switch_to_asm+0x34/0x70
[  273.515085]  ? __switch_to_asm+0x40/0x70
[  273.519146]  ? __switch_to_asm+0x34/0x70
[  273.523208]  ? __switch_to_asm+0x40/0x70
[  273.527265]  ? __switch_to_asm+0x34/0x70
[  273.531322]  ? __switch_to_asm+0x40/0x70
[  273.535389]  ? __switch_to_asm+0x34/0x70
[  273.539456]  ? __switch_to_asm+0x34/0x70
[  273.543521]  ? __switch_to_asm+0x40/0x70
[  273.547580]  ? __switch_to_asm+0x34/0x70
[  273.551655]  bpf_clone_redirect+0xb9/0x490
[  273.555896]  ? __schedule+0x874/0x1ed0
[  273.559802]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  273.564834]  ? __sched_text_start+0x8/0x8
[  273.569454]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.574217]  ? retint_kernel+0x2d/0x2d
[  273.578114]  ? lock_acquire+0x1ed/0x520
[  273.582092]  ? bpf_test_run+0x3cb/0x780
[  273.586087]  ? lock_release+0x970/0x970
[  273.590069]  ? preempt_schedule+0x4d/0x60
[  273.594231]  ? preempt_schedule_common+0x1f/0xd0
[  273.598985]  ? preempt_schedule+0x4d/0x60
[  273.603148]  ? ___preempt_schedule+0x16/0x18
[  273.607563]  ? bpf_test_run+0x25d/0x780
[  273.611546]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.615957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.621495]  ? bpf_test_init.isra.9+0x70/0x100
[  273.626105]  ? bpf_prog_test_run_skb+0x634/0xb40
[  273.630868]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.635708]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.641244]  ? fput+0x130/0x1a0
[  273.644522]  ? __bpf_prog_get+0x9b/0x290
[  273.648585]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.653426]  ? bpf_prog_test_run+0x130/0x1a0
[  273.657840]  ? __x64_sys_bpf+0x3d8/0x510
[  273.661929]  ? bpf_prog_get+0x20/0x20
[  273.665758]  ? do_syscall_64+0x1b9/0x820
[  273.669882]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  273.675247]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.680179]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.685201]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  273.690217]  ? recalc_sigpending_tsk+0x180/0x180
[  273.694976]  ? kasan_check_write+0x14/0x20
[  273.699214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.704069]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  273.709448] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  273.709516] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.716294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.716299] Call Trace:
[  273.716319]  dump_stack+0x1c4/0x2b4
[  273.716334]  ? dump_stack_print_info.cold.2+0x52/0x52
[  273.716365]  warn_alloc.cold.119+0xb7/0x1bd
[  273.722909] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.732204]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.734766] syz-executor4 cpuset=
[  273.738390]  ? lock_downgrade+0x900/0x900
[  273.743552] syz4
[  273.747872]  ? trace_hardirqs_off+0xb8/0x310
[  273.758332]  mems_allowed=0
[  273.763178]  ? trace_hardirqs_off+0xb8/0x310
[  273.784419]  __alloc_pages_slowpath+0x2667/0x2d80
[  273.789293]  ? warn_alloc+0x120/0x120
[  273.793094]  ? warn_alloc+0x120/0x120
[  273.796894]  ? warn_alloc+0x120/0x120
[  273.800702]  ? mark_held_locks+0x130/0x130
[  273.804941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.810476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.816011]  ? should_fail+0x22d/0xd01
[  273.819900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.824997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.830531]  ? should_fail+0x22d/0xd01
[  273.834422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.839536]  ? should_fail+0x22d/0xd01
[  273.843446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.848573]  ? mark_held_locks+0x130/0x130
[  273.852807]  ? mark_held_locks+0x130/0x130
[  273.857044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.862586]  ? trace_hardirqs_off+0xb8/0x310
[  273.867016]  ? kasan_check_read+0x11/0x20
[  273.871166]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.875587]  ? trace_hardirqs_on+0x310/0x310
[  273.879996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.885532]  ? wq_watchdog_touch+0x9c/0xfe
[  273.889768]  ? io_serial_in+0x11/0x90
[  273.893569]  ? retint_kernel+0x2d/0x2d
[  273.897463]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.902395]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.907148]  ? trace_hardirqs_off+0x310/0x310
[  273.911648]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.916761]  __alloc_pages_nodemask+0xa80/0xde0
[  273.921475]  ? should_fail+0x22d/0xd01
[  273.925374]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  273.930412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.935081]  ? lock_downgrade+0x900/0x900
[  273.939234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.944771]  cache_grow_begin+0x91/0x8c0
[  273.948834]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.953248]  fallback_alloc+0x203/0x2e0
[  273.957223]  ____cache_alloc_node+0x1c7/0x1e0
[  273.961725]  kmem_cache_alloc_node+0xe3/0x730
[  273.966219]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.970473]  __alloc_skb+0x119/0x770
[  273.974185]  ? skb_scrub_packet+0x490/0x490
[  273.978505]  ? lock_downgrade+0x900/0x900
[  273.982659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.988197]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.993665]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.999112]  ? addrconf_rs_timer+0x690/0x690
[  274.003529]  ndisc_alloc_skb+0x144/0x340
[  274.007590]  ndisc_send_rs+0x331/0x6e0
[  274.011486]  addrconf_rs_timer+0x314/0x690
[  274.015737]  ? lock_release+0x970/0x970
[  274.019714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.023957]  call_timer_fn+0x272/0x920
[  274.027843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.032076]  ? process_timeout+0x40/0x40
[  274.036144]  ? kasan_check_read+0x11/0x20
[  274.040292]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.044702]  ? trace_hardirqs_on+0x310/0x310
[  274.049111]  ? __run_timers+0x7da/0xc70
[  274.053082]  ? lock_downgrade+0x900/0x900
[  274.057231]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.062335]  ? trace_hardirqs_on+0xbd/0x310
[  274.066661]  ? kasan_check_read+0x11/0x20
[  274.070808]  ? __run_timers+0x7da/0xc70
[  274.074782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.080262]  ? kasan_check_write+0x14/0x20
[  274.084495]  ? do_raw_spin_lock+0xc1/0x200
[  274.088734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.092969]  __run_timers+0x7e5/0xc70
[  274.096776]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.102140]  ? compat_start_thread+0x80/0x80
[  274.106553]  ? dequeue_entity+0x1770/0x1770
[  274.110875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.116431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.121969]  ? _raw_spin_unlock_irq+0x60/0x80
[  274.126465]  ? finish_task_switch+0x1f5/0x900
[  274.130961]  ? finish_task_switch+0x1b5/0x900
[  274.135454]  ? __switch_to_asm+0x34/0x70
[  274.139517]  ? preempt_notifier_register+0x200/0x200
[  274.144625]  ? __switch_to_asm+0x34/0x70
[  274.148685]  ? __switch_to_asm+0x40/0x70
[  274.152741]  ? __switch_to_asm+0x34/0x70
[  274.156800]  ? __switch_to_asm+0x40/0x70
[  274.160860]  ? __switch_to_asm+0x34/0x70
[  274.164919]  ? __switch_to_asm+0x40/0x70
[  274.168990]  ? __switch_to_asm+0x40/0x70
[  274.173054]  ? pvclock_read_flags+0x160/0x160
[  274.177549]  ? __schedule+0x874/0x1ed0
[  274.181435]  ? run_rebalance_domains+0x38d/0x500
[  274.186195]  ? trace_hardirqs_on+0xbd/0x310
[  274.190519]  ? kvm_sched_clock_read+0x9/0x20
[  274.194927]  ? run_ksoftirqd+0x94/0x100
[  274.198902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.204438]  ? check_preemption_disabled+0x48/0x200
[  274.209503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.215072]  run_timer_softirq+0x52/0xb0
[  274.219160]  ? __this_cpu_preempt_check+0x1c/0x1f
[  274.224001]  __do_softirq+0x30b/0xad8
[  274.227807]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.232931]  ? trace_hardirqs_off+0xb8/0x310
[  274.237339]  ? schedule+0x108/0x460
[  274.240974]  ? __schedule+0x1ed0/0x1ed0
[  274.244949]  ? run_ksoftirqd+0x40/0x100
[  274.248924]  ? trace_hardirqs_off+0xb8/0x310
[  274.253331]  ? ___might_sleep+0x1ed/0x300
[  274.257481]  ? smpboot_thread_fn+0x68b/0xa00
[  274.261885]  ? trace_hardirqs_on+0x310/0x310
[  274.266292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.271827]  ? check_preemption_disabled+0x48/0x200
[  274.276840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.282381]  ? takeover_tasklets+0xa90/0xa90
[  274.286793]  run_ksoftirqd+0x94/0x100
[  274.290593]  smpboot_thread_fn+0x68b/0xa00
[  274.294832]  ? sort_range+0x30/0x30
[  274.298462]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.303564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.309105]  ? __kthread_parkme+0xfb/0x1a0
[  274.313393]  kthread+0x35a/0x420
[  274.316757]  ? sort_range+0x30/0x30
[  274.320391]  ? kthread_bind+0x40/0x40
[  274.324193]  ret_from_fork+0x3a/0x50
[  274.327912] warn_alloc_show_mem: 1 callbacks suppressed
[  274.327926] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  274.327927] Mem-Info:
[  274.327960] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  274.327960]  active_file:15 inactive_file:15 isolated_file:0
[  274.327960]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.327960]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  274.327960]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  274.327960]  free:13623 free_pcp:480 free_cma:0
[  274.333311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.340586] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.342982] Call Trace:
[  274.376026] Node 0 
[  274.385391]  <IRQ>
[  274.413200] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  274.415774]  dump_stack+0x1c4/0x2b4
[  274.417975] lowmem_reserve[]:
[  274.420116]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.445594]  0
[  274.449252]  warn_alloc.cold.119+0xb7/0x1bd
[  274.452324]  2819
[  274.457504]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.459279]  6323
[  274.463593]  ? lock_downgrade+0x900/0x900
[  274.465646]  6323
[  274.470515]  ? trace_hardirqs_off+0xb8/0x310
[  274.476696]  ? trace_hardirqs_off+0xb8/0x310
[  274.478737] Node 0 
[  274.483145]  __alloc_pages_slowpath+0x2667/0x2d80
[  274.487549] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  274.489766]  ? warn_alloc+0x120/0x120
[  274.494569] lowmem_reserve[]:
[  274.521463]  ? warn_alloc+0x120/0x120
[  274.525235]  0 0
[  274.528340]  ? warn_alloc+0x120/0x120
[  274.532114]  3503
[  274.534091]  ? mark_held_locks+0x130/0x130
[  274.537878]  3503
[  274.539948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.546211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.551722] Node 0 
[  274.557247]  ? should_fail+0x22d/0xd01
[  274.557282] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  274.559490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.563348] lowmem_reserve[]:
[  274.592066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.597159]  0
[  274.600259]  ? should_fail+0x22d/0xd01
[  274.605768]  0
[  274.607579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.611438]  0
[  274.613232]  ? should_fail+0x22d/0xd01
[  274.618307]  0
[  274.620108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.625775]  ? mark_held_locks+0x130/0x130
[  274.630863] Node 0 DMA: 
[  274.635095]  ? mark_held_locks+0x130/0x130
[  274.635113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.637780] 1*4kB 
[  274.642011]  ? trace_hardirqs_off+0xb8/0x310
[  274.647514] (U) 
[  274.649678]  ? kasan_check_read+0x11/0x20
[  274.654054] 0*8kB 
[  274.656023]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.660155] 0*16kB 
[  274.662300]  ? trace_hardirqs_on+0x310/0x310
[  274.666683] 1*32kB 
[  274.668920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.673300] (U) 
[  274.675533]  ? wq_watchdog_touch+0x9c/0xfe
[  274.681043] 2*64kB 
[  274.683014]  ? io_serial_in+0x11/0x90
[  274.687218] (U) 
[  274.689477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.693249] 1*128kB 
[  274.695219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.700740] (U) 
[  274.703065]  __alloc_pages_nodemask+0xa80/0xde0
[  274.708151] 1*256kB 
[  274.710129]  ? should_fail+0x22d/0xd01
[  274.714762] (U) 
[  274.717081]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.720939] 0*512kB 
[  274.722919]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.727901] 1*1024kB 
[  274.730221]  ? lock_downgrade+0x900/0x900
[  274.734861] (U) 
[  274.737272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.741408] 1*2048kB 
[  274.743383]  cache_grow_begin+0x91/0x8c0
[  274.748893] (M) 
[  274.751323]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.755366] 3*4096kB 
[  274.757331]  fallback_alloc+0x203/0x2e0
[  274.761710] (M) 
[  274.764136]  ____cache_alloc_node+0x1c7/0x1e0
[  274.768083] = 15908kB
[  274.770051]  kmem_cache_alloc_node+0xe3/0x730
[  274.774518] Node 0 
[  274.776925]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.781397] DMA32: 
[  274.783636]  __alloc_skb+0x119/0x770
[  274.787862] 3*4kB 
[  274.790126]  ? skb_scrub_packet+0x490/0x490
[  274.793826] (UM) 
[  274.795973]  ? lock_downgrade+0x900/0x900
[  274.800267] 2*8kB 
[  274.802322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.806439] (UM) 
[  274.808589]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.814095] 2*16kB 
[  274.816191]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.821613] (M) 
[  274.823844]  ? addrconf_rs_timer+0x690/0x690
[  274.829284] 2*32kB 
[  274.831258]  ndisc_alloc_skb+0x144/0x340
[  274.835644] (M) 
[  274.837877]  ndisc_send_rs+0x331/0x6e0
[  274.841913] 4*64kB 
[  274.843883]  addrconf_rs_timer+0x314/0x690
[  274.847744] (M) 
[  274.849973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.854182] 3*128kB 
[  274.856162]  call_timer_fn+0x272/0x920
[  274.860370] (M) 
[  274.862690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.866569] 4*256kB 
[  274.868541]  ? process_timeout+0x40/0x40
[  274.872752] (UM) 
[  274.875076]  ? trace_hardirqs_off+0xb8/0x310
[  274.879109] 3*512kB 
[  274.881167]  ? kasan_check_read+0x11/0x20
[  274.885542] (M) 
[  274.887865]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.891983] 3*1024kB 
[  274.893953]  ? trace_hardirqs_on+0x310/0x310
[  274.898335] (UM) 
[  274.900748]  ? __run_timers+0x7da/0xc70
[  274.905121] 3*2048kB (M) 
[  274.907188]  ? lock_downgrade+0x900/0x900
[  274.911138] 3*4096kB 
[  274.913894]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.918010] (M) 
[  274.920414]  ? trace_hardirqs_on+0xbd/0x310
[  274.925490] = 24828kB
[  274.927463]  ? kasan_check_read+0x11/0x20
[  274.931753] Node 0 
[  274.934157]  ? __run_timers+0x7da/0xc70
[  274.938280] Normal: 
[  274.940508]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.944458] 1555*4kB 
[  274.946777]  ? kasan_check_write+0x14/0x20
[  274.952202] (UMEH) 
[  274.954611]  ? do_raw_spin_lock+0xc1/0x200
[  274.958820] 298*8kB 
[  274.961050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.965259] (ME) 
[  274.967579]  __run_timers+0x7e5/0xc70
[  274.971784] 96*16kB 
[  274.973843]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.977614] (ME) 
[  274.979936]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.985290] 43*32kB 
[  274.987381]  ? timerqueue_add+0x207/0x2b0
[  274.992376] (UME) 
[  274.994700]  ? enqueue_hrtimer+0x1a5/0x560
[  274.998821] 31*64kB 
[  275.000963]  ? lock_release+0x970/0x970
[  275.005166] (UM) 0*128kB 
[  275.007505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  275.011467] 1*256kB 
[  275.014222]  ? kasan_check_write+0x14/0x20
[  275.019387] (U) 
[  275.021708]  ? pvclock_read_flags+0x160/0x160
[  275.025912] 0*512kB 
[  275.027880]  ? lock_downgrade+0x900/0x900
[  275.032349] 0*1024kB 
[  275.034676]  ? trace_hardirqs_on+0xbd/0x310
[  275.038824] 0*2048kB 
[  275.041229]  ? kvm_sched_clock_read+0x9/0x20
[  275.045524] 0*4096kB 
[  275.047942]  ? irq_exit+0x17f/0x1c0
[  275.052313] = 13756kB
[  275.054718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.058319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.060750]  ? check_preemption_disabled+0x48/0x200
[  275.066261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.075083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.080071] 3632 total pagecache pages
[  275.088654]  run_timer_softirq+0x52/0xb0
[  275.094160] 0 pages in swap cache
[  275.098040]  ? __this_cpu_preempt_check+0x1c/0x1f
[  275.102078] Swap cache stats: add 0, delete 0, find 0/0
[  275.105519]  __do_softirq+0x30b/0xad8
[  275.110331] Free swap  = 0kB
[  275.115707]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  275.119481] Total swap = 0kB
[  275.122496]  ? pvclock_read_flags+0x160/0x160
[  275.127570] 1965979 pages RAM
[  275.130583]  ? lapic_next_event+0x5a/0x90
[  275.135050] 0 pages HighMem/MovableOnly
[  275.138154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.142273] 342307 pages reserved
[  275.146243]  ? clockevents_program_event+0x140/0x370
[  275.151751] 0 pages cma reserved
[  275.155234]  ? kvm_clock_read+0x18/0x30
[  275.160399] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.163681]  ? kvm_sched_clock_read+0x9/0x20
[  275.167748] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.174155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.178539] ksoftirqd/0 cpuset=
[  275.188851]  ? check_preemption_disabled+0x48/0x200
[  275.194382] /
[  275.197665]  irq_exit+0x17f/0x1c0
[  275.202653]  mems_allowed=0
[  275.204377]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.215549]  ? smp_reschedule_interrupt+0x109/0x650
[  275.220576]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.226464]  ? interrupt_entry+0xb5/0xf0
[  275.230530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.235547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.240568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.245438]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.250465]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.255480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.261026]  ? check_preemption_disabled+0x48/0x200
[  275.266044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.271588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.276435]  apic_timer_interrupt+0xf/0x20
[  275.280660]  </IRQ>
[  275.282899] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.287831] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  275.306728] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  275.314434] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  275.321699] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  275.328963] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  275.336227] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  275.343493] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  275.350778]  ? trace_hardirqs_on+0xb4/0x310
[  275.355136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.360674]  skb_clone+0x1bb/0x500
[  275.364217]  ? finish_task_switch+0x2f5/0x900
[  275.368711]  ? skb_split+0x11e0/0x11e0
[  275.372597]  ? preempt_notifier_register+0x200/0x200
[  275.377730]  ? __switch_to_asm+0x34/0x70
[  275.381788]  ? __switch_to_asm+0x34/0x70
[  275.385849]  ? __switch_to_asm+0x40/0x70
[  275.389905]  ? __switch_to_asm+0x34/0x70
[  275.393960]  ? __switch_to_asm+0x40/0x70
[  275.398017]  ? __switch_to_asm+0x34/0x70
[  275.402107]  ? __switch_to_asm+0x40/0x70
[  275.406169]  ? __switch_to_asm+0x34/0x70
[  275.410227]  ? __switch_to_asm+0x34/0x70
[  275.414283]  ? __switch_to_asm+0x40/0x70
[  275.418381]  ? __switch_to_asm+0x34/0x70
[  275.422468]  bpf_clone_redirect+0xb9/0x490
[  275.426706]  ? __schedule+0x874/0x1ed0
[  275.430596]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  275.435776]  ? __sched_text_start+0x8/0x8
[  275.439923]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.444680]  ? retint_kernel+0x2d/0x2d
[  275.448576]  ? lock_acquire+0x1ed/0x520
[  275.452551]  ? bpf_test_run+0x3cb/0x780
[  275.456530]  ? lock_release+0x970/0x970
[  275.460502]  ? preempt_schedule+0x4d/0x60
[  275.464651]  ? preempt_schedule_common+0x1f/0xd0
[  275.469409]  ? preempt_schedule+0x4d/0x60
[  275.473556]  ? ___preempt_schedule+0x16/0x18
[  275.477968]  ? bpf_test_run+0x25d/0x780
[  275.481953]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.486373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.491911]  ? bpf_test_init.isra.9+0x70/0x100
[  275.496493]  ? bpf_prog_test_run_skb+0x634/0xb40
[  275.501251]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.506094]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.511640]  ? fput+0x130/0x1a0
[  275.514921]  ? __bpf_prog_get+0x9b/0x290
[  275.518999]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.523843]  ? bpf_prog_test_run+0x130/0x1a0
[  275.528251]  ? __x64_sys_bpf+0x3d8/0x510
[  275.532312]  ? bpf_prog_get+0x20/0x20
[  275.536129]  ? do_syscall_64+0x1b9/0x820
[  275.540226]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.545588]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.550520]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.555538]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.560554]  ? recalc_sigpending_tsk+0x180/0x180
[  275.565312]  ? kasan_check_write+0x14/0x20
[  275.570064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.574917]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.580319] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  275.580394] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.587178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.587183] Call Trace:
[  275.587202]  dump_stack+0x1c4/0x2b4
[  275.587218]  ? dump_stack_print_info.cold.2+0x52/0x52
[  275.593738] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.603040]  warn_alloc.cold.119+0xb7/0x1bd
[  275.605597] syz-executor4 cpuset=
[  275.609217]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.614384] syz4
[  275.624865]  ? lock_downgrade+0x900/0x900
[  275.629163]  mems_allowed=0
[  275.632607]  ? trace_hardirqs_off+0xb8/0x310
[  275.650918]  ? trace_hardirqs_off+0xb8/0x310
[  275.655330]  __alloc_pages_slowpath+0x2667/0x2d80
[  275.660208]  ? warn_alloc+0x120/0x120
[  275.664008]  ? warn_alloc+0x120/0x120
[  275.667809]  ? warn_alloc+0x120/0x120
[  275.671607]  ? mark_held_locks+0x130/0x130
[  275.675851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.681395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.686928]  ? should_fail+0x22d/0xd01
[  275.690816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.695917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.701447]  ? should_fail+0x22d/0xd01
[  275.705351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.710459]  ? should_fail+0x22d/0xd01
[  275.714348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.719462]  ? mark_held_locks+0x130/0x130
[  275.723700]  ? mark_held_locks+0x130/0x130
[  275.727934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.733488]  ? trace_hardirqs_off+0xb8/0x310
[  275.737909]  ? kasan_check_read+0x11/0x20
[  275.742058]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.746462]  ? trace_hardirqs_on+0x310/0x310
[  275.750876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.756414]  ? wq_watchdog_touch+0x9c/0xfe
[  275.760657]  ? io_serial_in+0x11/0x90
[  275.764459]  ? retint_kernel+0x2d/0x2d
[  275.768348]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.773288]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.778044]  ? trace_hardirqs_off+0x310/0x310
[  275.782546]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.787667]  __alloc_pages_nodemask+0xa80/0xde0
[  275.792344]  ? should_fail+0x22d/0xd01
[  275.796246]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.801276]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.805945]  ? lock_downgrade+0x900/0x900
[  275.810100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.815649]  cache_grow_begin+0x91/0x8c0
[  275.819713]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.824138]  fallback_alloc+0x203/0x2e0
[  275.828115]  ____cache_alloc_node+0x1c7/0x1e0
[  275.832610]  kmem_cache_alloc_node+0xe3/0x730
[  275.837109]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.841348]  __alloc_skb+0x119/0x770
[  275.845070]  ? skb_scrub_packet+0x490/0x490
[  275.849389]  ? lock_downgrade+0x900/0x900
[  275.853544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.859083]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.864536]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.869985]  ? addrconf_rs_timer+0x690/0x690
[  275.874403]  ndisc_alloc_skb+0x144/0x340
[  275.878463]  ndisc_send_rs+0x331/0x6e0
[  275.882353]  addrconf_rs_timer+0x314/0x690
[  275.886596]  ? lock_release+0x970/0x970
[  275.890577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.894820]  call_timer_fn+0x272/0x920
[  275.898739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.902975]  ? process_timeout+0x40/0x40
[  275.907035]  ? kasan_check_read+0x11/0x20
[  275.911179]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.915602]  ? trace_hardirqs_on+0x310/0x310
[  275.920018]  ? __run_timers+0x7da/0xc70
[  275.923990]  ? lock_downgrade+0x900/0x900
[  275.928158]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.933259]  ? trace_hardirqs_on+0xbd/0x310
[  275.937579]  ? kasan_check_read+0x11/0x20
[  275.941723]  ? __run_timers+0x7da/0xc70
[  275.945696]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.951146]  ? kasan_check_write+0x14/0x20
[  275.955395]  ? do_raw_spin_lock+0xc1/0x200
[  275.959635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.963870]  __run_timers+0x7e5/0xc70
[  275.967678]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  275.973039]  ? compat_start_thread+0x80/0x80
[  275.977444]  ? dequeue_entity+0x1770/0x1770
[  275.981766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.987316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.992856]  ? _raw_spin_unlock_irq+0x60/0x80
[  275.997348]  ? finish_task_switch+0x1f5/0x900
[  276.001879]  ? finish_task_switch+0x1b5/0x900
[  276.006379]  ? __switch_to_asm+0x34/0x70
[  276.010444]  ? preempt_notifier_register+0x200/0x200
[  276.015559]  ? __switch_to_asm+0x34/0x70
[  276.019614]  ? __switch_to_asm+0x40/0x70
[  276.023678]  ? __switch_to_asm+0x34/0x70
[  276.027734]  ? __switch_to_asm+0x40/0x70
[  276.031791]  ? __switch_to_asm+0x34/0x70
[  276.035846]  ? __switch_to_asm+0x40/0x70
[  276.039907]  ? __switch_to_asm+0x40/0x70
[  276.043986]  ? pvclock_read_flags+0x160/0x160
[  276.048477]  ? __schedule+0x874/0x1ed0
[  276.052369]  ? run_rebalance_domains+0x38d/0x500
[  276.057129]  ? trace_hardirqs_on+0xbd/0x310
[  276.061451]  ? kvm_sched_clock_read+0x9/0x20
[  276.065857]  ? run_ksoftirqd+0x94/0x100
[  276.069834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.075380]  ? check_preemption_disabled+0x48/0x200
[  276.080409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.085952]  run_timer_softirq+0x52/0xb0
[  276.090028]  ? __this_cpu_preempt_check+0x1c/0x1f
[  276.094880]  __do_softirq+0x30b/0xad8
[  276.098686]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.103787]  ? trace_hardirqs_off+0xb8/0x310
[  276.108196]  ? schedule+0x108/0x460
[  276.111849]  ? __schedule+0x1ed0/0x1ed0
[  276.115825]  ? run_ksoftirqd+0x40/0x100
[  276.119799]  ? trace_hardirqs_off+0xb8/0x310
[  276.124205]  ? ___might_sleep+0x1ed/0x300
[  276.128374]  ? smpboot_thread_fn+0x68b/0xa00
[  276.132823]  ? trace_hardirqs_on+0x310/0x310
[  276.137246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.142780]  ? check_preemption_disabled+0x48/0x200
[  276.147792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.153326]  ? takeover_tasklets+0xa90/0xa90
[  276.157741]  run_ksoftirqd+0x94/0x100
[  276.161540]  smpboot_thread_fn+0x68b/0xa00
[  276.165775]  ? sort_range+0x30/0x30
[  276.169406]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.174508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.180046]  ? __kthread_parkme+0xfb/0x1a0
[  276.184282]  kthread+0x35a/0x420
[  276.187650]  ? sort_range+0x30/0x30
[  276.191275]  ? kthread_bind+0x40/0x40
[  276.195077]  ret_from_fork+0x3a/0x50
[  276.198795] warn_alloc_show_mem: 1 callbacks suppressed
[  276.198808] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  276.198810] Mem-Info:
[  276.198842] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  276.198842]  active_file:15 inactive_file:15 isolated_file:0
[  276.198842]  unevictable:0 dirty:0 writeback:0 unstable:0
[  276.198842]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  276.198842]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  276.198842]  free:13623 free_pcp:480 free_cma:0
[  276.204181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.211461] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  276.213858] Call Trace:
[  276.246915] Node 0 
[  276.256264]  <IRQ>
[  276.284064] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  276.286623]  dump_stack+0x1c4/0x2b4
[  276.288827] lowmem_reserve[]:
[  276.290973]  ? dump_stack_print_info.cold.2+0x52/0x52
[  276.316448]  0
[  276.320089]  warn_alloc.cold.119+0xb7/0x1bd
[  276.323177]  2819
[  276.328369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.330145]  6323
[  276.334462]  ? lock_downgrade+0x900/0x900
[  276.336497]  6323
[  276.341331]  ? trace_hardirqs_off+0xb8/0x310
[  276.347511]  ? trace_hardirqs_off+0xb8/0x310
[  276.349550] Node 0 
[  276.353963]  __alloc_pages_slowpath+0x2667/0x2d80
[  276.358376] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  276.360591]  ? warn_alloc+0x120/0x120
[  276.365414] lowmem_reserve[]:
[  276.392314]  ? warn_alloc+0x120/0x120
[  276.396088]  0
[  276.399222]  ? warn_alloc+0x120/0x120
[  276.402993]  0
[  276.404820]  ? mark_held_locks+0x130/0x130
[  276.408593]  3503
[  276.410410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.414613]  3503
[  276.416721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.424283]  ? should_fail+0x22d/0xd01
[  276.429792] Node 0 
[  276.433671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.433701] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  276.433708] lowmem_reserve[]:
[  276.435940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.441014]  0
[  276.469575]  ? should_fail+0x22d/0xd01
[  276.472654]  0
[  276.478183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.479958]  0
[  276.483836]  ? should_fail+0x22d/0xd01
[  276.485613]  0
[  276.490706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.496388]  ? mark_held_locks+0x130/0x130
[  276.498180] Node 0 
[  276.503274]  ? mark_held_locks+0x130/0x130
[  276.507484] DMA: 
[  276.509716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.513922] 1*4kB 
[  276.515991]  ? trace_hardirqs_off+0xb8/0x310
[  276.521504] (U) 
[  276.523681]  ? kasan_check_read+0x11/0x20
[  276.528059] 0*8kB 
[  276.530040]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.534158] 0*16kB 
[  276.536301]  ? trace_hardirqs_on+0x310/0x310
[  276.540682] 1*32kB 
[  276.542912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.547289] (U) 
[  276.549521]  ? wq_watchdog_touch+0x9c/0xfe
[  276.555033] 2*64kB 
[  276.557006]  ? io_serial_in+0x11/0x90
[  276.561208] (U) 
[  276.563441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.567213] 1*128kB 
[  276.569185]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.574693] (U) 
[  276.577033]  __alloc_pages_nodemask+0xa80/0xde0
[  276.582104] 1*256kB 
[  276.584076]  ? should_fail+0x22d/0xd01
[  276.588715] (U) 
[  276.591050]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  276.594910] 0*512kB 
[  276.596900]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.601882] 1*1024kB 
[  276.604200]  ? lock_downgrade+0x900/0x900
[  276.608842] (U) 
[  276.611260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.615386] 1*2048kB 
[  276.617353]  cache_grow_begin+0x91/0x8c0
[  276.622871] (M) 
[  276.625276]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.629311] 3*4096kB 
[  276.631279]  fallback_alloc+0x203/0x2e0
[  276.635658] (M) 
[  276.638063]  ____cache_alloc_node+0x1c7/0x1e0
[  276.642008] = 15908kB
[  276.643977]  kmem_cache_alloc_node+0xe3/0x730
[  276.648463] Node 0 
[  276.650865]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.655331] DMA32: 
[  276.657582]  __alloc_skb+0x119/0x770
[  276.661799] 3*4kB 
[  276.664027]  ? skb_scrub_packet+0x490/0x490
[  276.667727] (UM) 
[  276.669871]  ? lock_downgrade+0x900/0x900
[  276.674168] 2*8kB 
[  276.676225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.680342] (UM) 
[  276.682515]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.688021] 2*16kB 
[  276.690079]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.695498] (M) 
[  276.697746]  ? addrconf_rs_timer+0x690/0x690
[  276.703169] 2*32kB 
[  276.705145]  ndisc_alloc_skb+0x144/0x340
[  276.709522] (M) 
[  276.711767]  ndisc_send_rs+0x331/0x6e0
[  276.715815] 4*64kB 
[  276.717783]  addrconf_rs_timer+0x314/0x690
[  276.721655] (M) 
[  276.723882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.728106] 3*128kB 
[  276.730085]  call_timer_fn+0x272/0x920
[  276.734283] (M) 
[  276.736611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.740479] 4*256kB 
[  276.742449]  ? process_timeout+0x40/0x40
[  276.746656] (UM) 
[  276.748995]  ? trace_hardirqs_off+0xb8/0x310
[  276.753047] 3*512kB 
[  276.755104]  ? kasan_check_read+0x11/0x20
[  276.759484] (M) 
[  276.761804]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.765920] 3*1024kB 
[  276.767889]  ? trace_hardirqs_on+0x310/0x310
[  276.772272] (UM) 
[  276.774705]  ? __run_timers+0x7da/0xc70
[  276.779088] 3*2048kB 
[  276.781148]  ? lock_downgrade+0x900/0x900
[  276.785093] (M) 
[  276.787497]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.791612] 3*4096kB 
[  276.793583]  ? trace_hardirqs_on+0xbd/0x310
[  276.798657] (M) 
[  276.801087]  ? kasan_check_read+0x11/0x20
[  276.805385] = 24828kB
[  276.807354]  ? __run_timers+0x7da/0xc70
[  276.811482] Node 0 
[  276.813891]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.817839] Normal: 
[  276.820072]  ? kasan_check_write+0x14/0x20
[  276.825503] 1555*4kB 
[  276.827833]  ? do_raw_spin_lock+0xc1/0x200
[  276.832040] (UMEH) 
[  276.834442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.838648] 298*8kB 
[  276.840876]  __run_timers+0x7e5/0xc70
[  276.845095] (ME) 
[  276.847417]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.851184] 96*16kB 
[  276.853253]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.858585] (ME) 
[  276.860900]  ? timerqueue_add+0x207/0x2b0
[  276.865886] 43*32kB 
[  276.867939]  ? enqueue_hrtimer+0x1a5/0x560
[  276.872059] (UME) 
[  276.874400]  ? lock_release+0x970/0x970
[  276.878606] 31*64kB 
[  276.880763]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.884709] (UM) 
[  276.887040]  ? kasan_check_write+0x14/0x20
[  276.892227] 0*128kB 
[  276.894299]  ? pvclock_read_flags+0x160/0x160
[  276.898508] 1*256kB 
[  276.900829]  ? lock_downgrade+0x900/0x900
[  276.905292] (U) 
[  276.907613]  ? trace_hardirqs_on+0xbd/0x310
[  276.911738] 0*512kB 
[  276.913708]  ? kvm_sched_clock_read+0x9/0x20
[  276.917999] 0*1024kB 
[  276.920313]  ? irq_exit+0x17f/0x1c0
[  276.924695] 0*2048kB 
[  276.927104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.930705] 0*4096kB 
[  276.933134]  ? check_preemption_disabled+0x48/0x200
[  276.938637] = 13756kB
[  276.941039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.946051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.948447]  run_timer_softirq+0x52/0xb0
[  276.953958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.962780]  ? __this_cpu_preempt_check+0x1c/0x1f
[  276.966810] 3632 total pagecache pages
[  276.975402]  __do_softirq+0x30b/0xad8
[  276.980217] 0 pages in swap cache
[  276.984095]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.987871] Swap cache stats: add 0, delete 0, find 0/0
[  276.991330]  ? pvclock_read_flags+0x160/0x160
[  276.996405] Free swap  = 0kB
[  277.001775]  ? lapic_next_event+0x5a/0x90
[  277.006244] Total swap = 0kB
[  277.009270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.013406] 1965979 pages RAM
[  277.016430]  ? clockevents_program_event+0x140/0x370
[  277.021936] 0 pages HighMem/MovableOnly
[  277.025037]  ? kvm_clock_read+0x18/0x30
[  277.030110] 342307 pages reserved
[  277.034091]  ? kvm_sched_clock_read+0x9/0x20
[  277.038051] 0 pages cma reserved
[  277.041499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.045952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.049239]  ? check_preemption_disabled+0x48/0x200
[  277.054815] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.061253]  irq_exit+0x17f/0x1c0
[  277.066242] ksoftirqd/0 cpuset=
[  277.076545]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.079968] /
[  277.083241]  ? smp_reschedule_interrupt+0x109/0x650
[  277.088074]  mems_allowed=0
[  277.089779]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.103564]  ? interrupt_entry+0xb5/0xf0
[  277.107642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.112654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.117671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.122533]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.127548]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.132562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.138097]  ? check_preemption_disabled+0x48/0x200
[  277.143143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.148696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.153546]  apic_timer_interrupt+0xf/0x20
[  277.157773]  </IRQ>
[  277.160012] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  277.164939] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  277.183866] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  277.191571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  277.198835] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  277.206102] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  277.213378] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  277.220644] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  277.227943]  ? trace_hardirqs_on+0xb4/0x310
[  277.232275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.237816]  skb_clone+0x1bb/0x500
[  277.241368]  ? finish_task_switch+0x2f5/0x900
[  277.245861]  ? skb_split+0x11e0/0x11e0
[  277.249750]  ? preempt_notifier_register+0x200/0x200
[  277.254855]  ? __switch_to_asm+0x34/0x70
[  277.258913]  ? __switch_to_asm+0x34/0x70
[  277.262970]  ? __switch_to_asm+0x40/0x70
[  277.267027]  ? __switch_to_asm+0x34/0x70
[  277.271102]  ? __switch_to_asm+0x40/0x70
[  277.275163]  ? __switch_to_asm+0x34/0x70
[  277.279254]  ? __switch_to_asm+0x40/0x70
[  277.283310]  ? __switch_to_asm+0x34/0x70
[  277.287379]  ? __switch_to_asm+0x34/0x70
[  277.291439]  ? __switch_to_asm+0x40/0x70
[  277.295499]  ? __switch_to_asm+0x34/0x70
[  277.299567]  bpf_clone_redirect+0xb9/0x490
[  277.303819]  ? __schedule+0x874/0x1ed0
[  277.307707]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  277.312738]  ? __sched_text_start+0x8/0x8
[  277.316883]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.321648]  ? retint_kernel+0x2d/0x2d
[  277.325544]  ? lock_acquire+0x1ed/0x520
[  277.329517]  ? bpf_test_run+0x3cb/0x780
[  277.333494]  ? lock_release+0x970/0x970
[  277.337478]  ? preempt_schedule+0x4d/0x60
[  277.341625]  ? preempt_schedule_common+0x1f/0xd0
[  277.346385]  ? preempt_schedule+0x4d/0x60
[  277.350531]  ? ___preempt_schedule+0x16/0x18
[  277.354943]  ? bpf_test_run+0x25d/0x780
[  277.358921]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.363334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.368887]  ? bpf_test_init.isra.9+0x70/0x100
[  277.373467]  ? bpf_prog_test_run_skb+0x634/0xb40
[  277.378229]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.383099]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.388637]  ? fput+0x130/0x1a0
[  277.391927]  ? __bpf_prog_get+0x9b/0x290
[  277.395988]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.400871]  ? bpf_prog_test_run+0x130/0x1a0
[  277.405299]  ? __x64_sys_bpf+0x3d8/0x510
[  277.409354]  ? bpf_prog_get+0x20/0x20
[  277.413175]  ? do_syscall_64+0x1b9/0x820
[  277.417236]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.422597]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.427526]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.432539]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.437662]  ? recalc_sigpending_tsk+0x180/0x180
[  277.442433]  ? kasan_check_write+0x14/0x20
[  277.446670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.451518]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.456889] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  277.456964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.463732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.470303] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.479543] Call Trace:
[  277.490025] syz-executor4 cpuset=syz4
[  277.492610]  dump_stack+0x1c4/0x2b4
[  277.492621]  mems_allowed=0
[  277.496416]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.508146]  warn_alloc.cold.119+0xb7/0x1bd
[  277.512468]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.517312]  ? lock_downgrade+0x900/0x900
[  277.521470]  ? trace_hardirqs_off+0xb8/0x310
[  277.525880]  ? trace_hardirqs_off+0xb8/0x310
[  277.530292]  __alloc_pages_slowpath+0x2667/0x2d80
[  277.535153]  ? warn_alloc+0x120/0x120
[  277.538953]  ? warn_alloc+0x120/0x120
[  277.542750]  ? warn_alloc+0x120/0x120
[  277.546562]  ? mark_held_locks+0x130/0x130
[  277.550800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.556338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.561877]  ? should_fail+0x22d/0xd01
[  277.565766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.570989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.576523]  ? should_fail+0x22d/0xd01
[  277.580415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.585511]  ? should_fail+0x22d/0xd01
[  277.589399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.594503]  ? mark_held_locks+0x130/0x130
[  277.598752]  ? mark_held_locks+0x130/0x130
[  277.602982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.608519]  ? trace_hardirqs_off+0xb8/0x310
[  277.612929]  ? kasan_check_read+0x11/0x20
[  277.617074]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.621481]  ? trace_hardirqs_on+0x310/0x310
[  277.625887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.631420]  ? wq_watchdog_touch+0x9c/0xfe
[  277.635654]  ? io_serial_in+0x11/0x90
[  277.639452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.645010]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.650116]  __alloc_pages_nodemask+0xa80/0xde0
[  277.654784]  ? should_fail+0x22d/0xd01
[  277.658672]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  277.663700]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.668375]  ? lock_downgrade+0x900/0x900
[  277.672528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.678064]  cache_grow_begin+0x91/0x8c0
[  277.682126]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.686570]  fallback_alloc+0x203/0x2e0
[  277.690546]  ____cache_alloc_node+0x1c7/0x1e0
[  277.695043]  kmem_cache_alloc_node+0xe3/0x730
[  277.699536]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.703773]  __alloc_skb+0x119/0x770
[  277.707500]  ? skb_scrub_packet+0x490/0x490
[  277.711820]  ? lock_downgrade+0x900/0x900
[  277.715971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.721511]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.726961]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.732409]  ? addrconf_rs_timer+0x690/0x690
[  277.736823]  ndisc_alloc_skb+0x144/0x340
[  277.740883]  ndisc_send_rs+0x331/0x6e0
[  277.744772]  addrconf_rs_timer+0x314/0x690
[  277.749004]  ? lock_release+0x970/0x970
[  277.752979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.757220]  call_timer_fn+0x272/0x920
[  277.761102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.765338]  ? process_timeout+0x40/0x40
[  277.769403]  ? kasan_check_read+0x11/0x20
[  277.773550]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.777957]  ? trace_hardirqs_on+0x310/0x310
[  277.782376]  ? __run_timers+0x7da/0xc70
[  277.786348]  ? lock_downgrade+0x900/0x900
[  277.790525]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.795633]  ? trace_hardirqs_on+0xbd/0x310
[  277.799953]  ? kasan_check_read+0x11/0x20
[  277.804097]  ? __run_timers+0x7da/0xc70
[  277.808069]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.813517]  ? kasan_check_write+0x14/0x20
[  277.817764]  ? do_raw_spin_lock+0xc1/0x200
[  277.821998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.826232]  __run_timers+0x7e5/0xc70
[  277.830039]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.835401]  ? compat_start_thread+0x80/0x80
[  277.839809]  ? dequeue_entity+0x1770/0x1770
[  277.844149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.849682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.855222]  ? _raw_spin_unlock_irq+0x60/0x80
[  277.859734]  ? finish_task_switch+0x1f5/0x900
[  277.864224]  ? finish_task_switch+0x1b5/0x900
[  277.868715]  ? __switch_to_asm+0x34/0x70
[  277.872794]  ? preempt_notifier_register+0x200/0x200
[  277.877894]  ? __switch_to_asm+0x34/0x70
[  277.881965]  ? __switch_to_asm+0x40/0x70
[  277.886038]  ? __switch_to_asm+0x34/0x70
[  277.890112]  ? __switch_to_asm+0x40/0x70
[  277.894172]  ? __switch_to_asm+0x34/0x70
[  277.898230]  ? __switch_to_asm+0x40/0x70
[  277.902318]  ? __switch_to_asm+0x40/0x70
[  277.906389]  ? pvclock_read_flags+0x160/0x160
[  277.910884]  ? __schedule+0x874/0x1ed0
[  277.914770]  ? run_rebalance_domains+0x38d/0x500
[  277.919529]  ? trace_hardirqs_on+0xbd/0x310
[  277.923850]  ? kvm_sched_clock_read+0x9/0x20
[  277.928256]  ? run_ksoftirqd+0x94/0x100
[  277.932230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.937785]  ? check_preemption_disabled+0x48/0x200
[  277.942797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.948353]  run_timer_softirq+0x52/0xb0
[  277.952429]  ? __this_cpu_preempt_check+0x1c/0x1f
[  277.957271]  __do_softirq+0x30b/0xad8
[  277.961074]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  277.966175]  ? trace_hardirqs_off+0xb8/0x310
[  277.970585]  ? schedule+0x108/0x460
[  277.974208]  ? __schedule+0x1ed0/0x1ed0
[  277.978184]  ? run_ksoftirqd+0x40/0x100
[  277.982159]  ? trace_hardirqs_off+0xb8/0x310
[  277.986571]  ? ___might_sleep+0x1ed/0x300
[  277.990718]  ? smpboot_thread_fn+0x68b/0xa00
[  277.995123]  ? trace_hardirqs_on+0x310/0x310
[  277.999538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.005081]  ? check_preemption_disabled+0x48/0x200
[  278.010094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.015650]  ? takeover_tasklets+0xa90/0xa90
[  278.020062]  run_ksoftirqd+0x94/0x100
[  278.023876]  smpboot_thread_fn+0x68b/0xa00
[  278.028107]  ? sort_range+0x30/0x30
[  278.031733]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.036837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.042377]  ? __kthread_parkme+0xfb/0x1a0
[  278.046618]  kthread+0x35a/0x420
[  278.049988]  ? sort_range+0x30/0x30
[  278.053613]  ? kthread_bind+0x40/0x40
[  278.057419]  ret_from_fork+0x3a/0x50
[  278.061150] warn_alloc_show_mem: 1 callbacks suppressed
[  278.061162] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  278.061164] Mem-Info:
[  278.061195] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  278.061195]  active_file:15 inactive_file:15 isolated_file:0
[  278.061195]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.061195]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  278.061195]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  278.061195]  free:13623 free_pcp:480 free_cma:0
[  278.066534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.073810] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  278.076208] Call Trace:
[  278.109242] Node 0 
[  278.118587]  <IRQ>
[  278.146352] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  278.148914]  dump_stack+0x1c4/0x2b4
[  278.151125] lowmem_reserve[]:
[  278.153270]  ? dump_stack_print_info.cold.2+0x52/0x52
[  278.178747]  0
[  278.182389]  warn_alloc.cold.119+0xb7/0x1bd
[  278.185477]  2819
[  278.190666]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.192442]  6323
[  278.196754]  ? lock_downgrade+0x900/0x900
[  278.198789]  6323
[  278.203624]  ? trace_hardirqs_off+0xb8/0x310
[  278.209802]  ? trace_hardirqs_off+0xb8/0x310
[  278.211843] Node 0 
[  278.216247]  __alloc_pages_slowpath+0x2667/0x2d80
[  278.220652] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  278.222871]  ? warn_alloc+0x120/0x120
[  278.227674] lowmem_reserve[]:
[  278.254561]  ? trace_hardirqs_on+0x310/0x310
[  278.258367]  0
[  278.261468]  ? warn_alloc+0x120/0x120
[  278.265847]  0
[  278.267641]  ? warn_alloc+0x120/0x120
[  278.271419]  3503
[  278.273232]  ? ktime_get+0x2e1/0x440
[  278.277003]  3503
[  278.279060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.284821]  ? check_preemption_disabled+0x48/0x200
[  278.290329] Node 0 
[  278.295340]  ? kasan_check_read+0x11/0x20
[  278.295379] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  278.295387] lowmem_reserve[]:
[  278.297623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.301747]  0
[  278.330283]  ? should_fail+0x22d/0xd01
[  278.333367]  0
[  278.338897]  ? rcu_bh_qs+0xc0/0xc0
[  278.340668]  0
[  278.344550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.346325]  0
[  278.349872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.356752]  ? should_fail+0x22d/0xd01
[  278.358548] Node 0 
[  278.364078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.367941] DMA: 
[  278.370169]  ? should_fail+0x22d/0xd01
[  278.375250] 1*4kB 
[  278.377306]  ? rcu_idle_enter+0x4b0/0x4b0
[  278.381169] (U) 
[  278.383311]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.387435] 0*8kB 
[  278.389404]  ? mark_held_locks+0x130/0x130
[  278.394479] 0*16kB 
[  278.396624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.400835] 1*32kB 
[  278.403065]  ? mark_held_locks+0x130/0x130
[  278.408569] (U) 2*64kB 
[  278.410812]  ? rcu_irq_exit+0xce/0x100
[  278.415017] (U) 
[  278.417603]  ? irq_exit+0xbd/0x1c0
[  278.421476] 1*128kB 
[  278.423446]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  278.426956] (U) 
[  278.429275]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.434262] 1*256kB 
[  278.436225]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.440603] (U) 
[  278.442920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.448775] 0*512kB 
[  278.450746]  ? ret_from_intr+0xb/0x1e
[  278.456254] 1*1024kB 
[  278.458567]  ? retint_kernel+0x2d/0x2d
[  278.462368] (U) 
[  278.464774]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.468634] 1*2048kB 
[  278.470609]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.475507] (M) 
[  278.477909]  ? trace_hardirqs_off+0x310/0x310
[  278.482647] 3*4096kB 
[  278.484618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.489101] (M) 
[  278.491511]  __alloc_pages_nodemask+0xa80/0xde0
[  278.496617] = 15908kB
[  278.498599]  ? should_fail+0x22d/0xd01
[  278.503240] Node 0 
[  278.505642]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.509501] DMA32: 
[  278.511742]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.516735] 3*4kB 
[  278.518969]  ? lock_downgrade+0x900/0x900
[  278.523605] (UM) 
[  278.525751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.529872] 2*8kB 
[  278.531930]  cache_grow_begin+0x91/0x8c0
[  278.537439] (UM) 
[  278.539586]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.543616] 2*16kB 
[  278.545672]  fallback_alloc+0x203/0x2e0
[  278.550055] (M) 
[  278.552285]  ____cache_alloc_node+0x1c7/0x1e0
[  278.556233] 2*32kB 
[  278.558212]  kmem_cache_alloc_node+0xe3/0x730
[  278.562681] (M) 
[  278.564909]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.569386] 4*64kB 
[  278.571356]  __alloc_skb+0x119/0x770
[  278.575568] (M) 
[  278.577827]  ? skb_scrub_packet+0x490/0x490
[  278.581514] 3*128kB 
[  278.583496]  ? lock_downgrade+0x900/0x900
[  278.587788] (M) 
[  278.590106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.594242] 4*256kB 
[  278.596226]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.601732] (UM) 
[  278.604048]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.609473] 3*512kB 
[  278.611527]  ? addrconf_rs_timer+0x690/0x690
[  278.616951] (M) 
[  278.619272]  ndisc_alloc_skb+0x144/0x340
[  278.623650] 3*1024kB 
[  278.625638]  ndisc_send_rs+0x331/0x6e0
[  278.629678] (UM) 
[  278.632079]  addrconf_rs_timer+0x314/0x690
[  278.635938] 3*2048kB 
[  278.638007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.642234] (M) 
[  278.644661]  call_timer_fn+0x272/0x920
[  278.648864] 3*4096kB 
[  278.650828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.654695] (M) 
[  278.657100]  ? process_timeout+0x40/0x40
[  278.661309] = 24828kB
[  278.663278]  ? trace_hardirqs_off+0xb8/0x310
[  278.667309] Node 0 
[  278.669712]  ? kasan_check_read+0x11/0x20
[  278.674090] Normal: 
[  278.676320]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.680443] 1555*4kB 
[  278.682769]  ? trace_hardirqs_on+0x310/0x310
[  278.687149] (UMEH) 
[  278.689549]  ? __run_timers+0x7da/0xc70
[  278.693927] 298*8kB 
[  278.696156]  ? lock_downgrade+0x900/0x900
[  278.700103] (ME) 
[  278.702437]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.706568] 96*16kB 
[  278.708622]  ? trace_hardirqs_on+0xbd/0x310
[  278.713703] (ME) 
[  278.716036]  ? kasan_check_read+0x11/0x20
[  278.720330] 43*32kB 
[  278.722388]  ? __run_timers+0x7da/0xc70
[  278.726510] (UME) 
[  278.728827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.732772] 31*64kB 
[  278.734914]  ? kasan_check_write+0x14/0x20
[  278.740351] (UM) 
[  278.742678]  ? do_raw_spin_lock+0xc1/0x200
[  278.746888] 0*128kB 
[  278.748943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.753151] 1*256kB 
[  278.755469]  __run_timers+0x7e5/0xc70
[  278.759689] (U) 
[  278.762010]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  278.765787] 0*512kB 
[  278.767758]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.773094] 0*1024kB 
[  278.775407]  ? timerqueue_add+0x207/0x2b0
[  278.780396] 0*2048kB 
[  278.782800]  ? enqueue_hrtimer+0x1a5/0x560
[  278.786920] 0*4096kB 
[  278.789320]  ? lock_release+0x970/0x970
[  278.793532] = 13756kB
[  278.795935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.799891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.802292]  ? kasan_check_write+0x14/0x20
[  278.807458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.816279]  ? pvclock_read_flags+0x160/0x160
[  278.820498] 3632 total pagecache pages
[  278.829089]  ? lock_downgrade+0x900/0x900
[  278.833555] 0 pages in swap cache
[  278.837433]  ? trace_hardirqs_on+0xbd/0x310
[  278.841554] Swap cache stats: add 0, delete 0, find 0/0
[  278.845014]  ? kvm_sched_clock_read+0x9/0x20
[  278.849306] Free swap  = 0kB
[  278.854659]  ? irq_exit+0x17f/0x1c0
[  278.859035] Total swap = 0kB
[  278.862050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.865648] 1965979 pages RAM
[  278.868661]  ? check_preemption_disabled+0x48/0x200
[  278.874165] 0 pages HighMem/MovableOnly
[  278.877262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.882250] 342307 pages reserved
[  278.886213]  run_timer_softirq+0x52/0xb0
[  278.891722] 0 pages cma reserved
[  278.895172]  ? __this_cpu_preempt_check+0x1c/0x1f
[  278.899275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.902568]  __do_softirq+0x30b/0xad8
[  278.907483] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.913880]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  278.917653] ksoftirqd/0 cpuset=
[  278.927957]  ? pvclock_read_flags+0x160/0x160
[  278.933028] /
[  278.936303]  ? lapic_next_event+0x5a/0x90
[  278.940791]  mems_allowed=0
[  278.942498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.955071]  ? clockevents_program_event+0x140/0x370
[  278.960191]  ? kvm_clock_read+0x18/0x30
[  278.964162]  ? kvm_sched_clock_read+0x9/0x20
[  278.968574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.974111]  ? check_preemption_disabled+0x48/0x200
[  278.979162]  irq_exit+0x17f/0x1c0
[  278.982616]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.987455]  ? smp_reschedule_interrupt+0x109/0x650
[  278.992473]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.998357]  ? interrupt_entry+0xb5/0xf0
[  279.002458]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.007475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.012524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.017371]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.022388]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.027400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.032937]  ? check_preemption_disabled+0x48/0x200
[  279.037971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.043518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.048374]  apic_timer_interrupt+0xf/0x20
[  279.052602]  </IRQ>
[  279.054842] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.059773] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  279.078671] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  279.086383] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  279.093645] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  279.100908] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  279.108191] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  279.115458] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  279.122744]  ? trace_hardirqs_on+0xb4/0x310
[  279.127079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.132717]  skb_clone+0x1bb/0x500
[  279.136271]  ? finish_task_switch+0x2f5/0x900
[  279.140759]  ? skb_split+0x11e0/0x11e0
[  279.144671]  ? preempt_notifier_register+0x200/0x200
[  279.149788]  ? __switch_to_asm+0x34/0x70
[  279.153848]  ? __switch_to_asm+0x34/0x70
[  279.157908]  ? __switch_to_asm+0x40/0x70
[  279.161968]  ? __switch_to_asm+0x34/0x70
[  279.166023]  ? __switch_to_asm+0x40/0x70
[  279.170081]  ? __switch_to_asm+0x34/0x70
[  279.174139]  ? __switch_to_asm+0x40/0x70
[  279.178197]  ? __switch_to_asm+0x34/0x70
[  279.182270]  ? __switch_to_asm+0x34/0x70
[  279.186325]  ? __switch_to_asm+0x40/0x70
[  279.190385]  ? __switch_to_asm+0x34/0x70
[  279.194457]  bpf_clone_redirect+0xb9/0x490
[  279.198692]  ? __schedule+0x874/0x1ed0
[  279.202581]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  279.207595]  ? __sched_text_start+0x8/0x8
[  279.211740]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.216495]  ? retint_kernel+0x2d/0x2d
[  279.220398]  ? lock_acquire+0x1ed/0x520
[  279.224380]  ? bpf_test_run+0x3cb/0x780
[  279.228356]  ? lock_release+0x970/0x970
[  279.232333]  ? preempt_schedule+0x4d/0x60
[  279.236484]  ? preempt_schedule_common+0x1f/0xd0
[  279.241239]  ? preempt_schedule+0x4d/0x60
[  279.245396]  ? ___preempt_schedule+0x16/0x18
[  279.249807]  ? bpf_test_run+0x25d/0x780
[  279.253786]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.258195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.263726]  ? bpf_test_init.isra.9+0x70/0x100
[  279.268324]  ? bpf_prog_test_run_skb+0x634/0xb40
[  279.273083]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.277929]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.283464]  ? fput+0x130/0x1a0
[  279.286742]  ? __bpf_prog_get+0x9b/0x290
[  279.290802]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.295639]  ? bpf_prog_test_run+0x130/0x1a0
[  279.300046]  ? __x64_sys_bpf+0x3d8/0x510
[  279.304105]  ? bpf_prog_get+0x20/0x20
[  279.307944]  ? do_syscall_64+0x1b9/0x820
[  279.312005]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.317374]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.322306]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.327320]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.332334]  ? recalc_sigpending_tsk+0x180/0x180
[  279.337112]  ? kasan_check_write+0x14/0x20
[  279.341354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.346214]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.351589] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  279.351658] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.358440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.358444] Call Trace:
[  279.358466]  dump_stack+0x1c4/0x2b4
[  279.358482]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.365006] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.374309]  warn_alloc.cold.119+0xb7/0x1bd
[  279.376864] syz-executor4 cpuset=
[  279.380504]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.385683] syz4
[  279.396167]  ? lock_downgrade+0x900/0x900
[  279.400464]  mems_allowed=0
[  279.403905]  ? trace_hardirqs_off+0xb8/0x310
[  279.422128]  ? trace_hardirqs_off+0xb8/0x310
[  279.426545]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.431408]  ? warn_alloc+0x120/0x120
[  279.435434]  ? warn_alloc+0x120/0x120
[  279.439250]  ? warn_alloc+0x120/0x120
[  279.443070]  ? mark_held_locks+0x130/0x130
[  279.447306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.452841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.458400]  ? should_fail+0x22d/0xd01
[  279.462287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.467389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.472949]  ? should_fail+0x22d/0xd01
[  279.476868]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.481969]  ? should_fail+0x22d/0xd01
[  279.485863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.490968]  ? mark_held_locks+0x130/0x130
[  279.495207]  ? mark_held_locks+0x130/0x130
[  279.499438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.504977]  ? trace_hardirqs_off+0xb8/0x310
[  279.509389]  ? kasan_check_read+0x11/0x20
[  279.513537]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.517959]  ? trace_hardirqs_on+0x310/0x310
[  279.522372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.527907]  ? wq_watchdog_touch+0x9c/0xfe
[  279.532142]  ? io_serial_in+0x11/0x90
[  279.535942]  ? retint_kernel+0x2d/0x2d
[  279.539871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  279.544805]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.549563]  ? trace_hardirqs_off+0x310/0x310
[  279.554058]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.559168]  __alloc_pages_nodemask+0xa80/0xde0
[  279.563839]  ? should_fail+0x22d/0xd01
[  279.567866]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  279.572900]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.577583]  ? lock_downgrade+0x900/0x900
[  279.581748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.587304]  cache_grow_begin+0x91/0x8c0
[  279.591375]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.595814]  fallback_alloc+0x203/0x2e0
[  279.599824]  ____cache_alloc_node+0x1c7/0x1e0
[  279.604340]  kmem_cache_alloc_node+0xe3/0x730
[  279.608845]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.613084]  __alloc_skb+0x119/0x770
[  279.616799]  ? skb_scrub_packet+0x490/0x490
[  279.621125]  ? lock_downgrade+0x900/0x900
[  279.625285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.630824]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.636274]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.641726]  ? addrconf_rs_timer+0x690/0x690
[  279.646140]  ndisc_alloc_skb+0x144/0x340
[  279.650202]  ndisc_send_rs+0x331/0x6e0
[  279.654091]  addrconf_rs_timer+0x314/0x690
[  279.658325]  ? lock_release+0x970/0x970
[  279.662302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.666581]  call_timer_fn+0x272/0x920
[  279.670485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.674754]  ? process_timeout+0x40/0x40
[  279.678829]  ? kasan_check_read+0x11/0x20
[  279.683034]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.687456]  ? trace_hardirqs_on+0x310/0x310
[  279.691882]  ? __run_timers+0x7da/0xc70
[  279.695854]  ? lock_downgrade+0x900/0x900
[  279.700005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.705120]  ? trace_hardirqs_on+0xbd/0x310
[  279.709441]  ? kasan_check_read+0x11/0x20
[  279.713589]  ? __run_timers+0x7da/0xc70
[  279.717567]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.723020]  ? kasan_check_write+0x14/0x20
[  279.727256]  ? do_raw_spin_lock+0xc1/0x200
[  279.731495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.735747]  __run_timers+0x7e5/0xc70
[  279.739591]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.744958]  ? compat_start_thread+0x80/0x80
[  279.749369]  ? dequeue_entity+0x1770/0x1770
[  279.753692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.759230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.764792]  ? _raw_spin_unlock_irq+0x60/0x80
[  279.769290]  ? finish_task_switch+0x1f5/0x900
[  279.773785]  ? finish_task_switch+0x1b5/0x900
[  279.778278]  ? __switch_to_asm+0x34/0x70
[  279.782354]  ? preempt_notifier_register+0x200/0x200
[  279.787485]  ? __switch_to_asm+0x34/0x70
[  279.791545]  ? __switch_to_asm+0x40/0x70
[  279.795605]  ? __switch_to_asm+0x34/0x70
[  279.799671]  ? __switch_to_asm+0x40/0x70
[  279.803728]  ? __switch_to_asm+0x34/0x70
[  279.807800]  ? __switch_to_asm+0x40/0x70
[  279.811860]  ? __switch_to_asm+0x40/0x70
[  279.815928]  ? pvclock_read_flags+0x160/0x160
[  279.820423]  ? __schedule+0x874/0x1ed0
[  279.824310]  ? run_rebalance_domains+0x38d/0x500
[  279.829069]  ? trace_hardirqs_on+0xbd/0x310
[  279.833392]  ? kvm_sched_clock_read+0x9/0x20
[  279.837813]  ? run_ksoftirqd+0x94/0x100
[  279.841811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.847391]  ? check_preemption_disabled+0x48/0x200
[  279.852408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.857951]  run_timer_softirq+0x52/0xb0
[  279.862011]  ? __this_cpu_preempt_check+0x1c/0x1f
[  279.866866]  __do_softirq+0x30b/0xad8
[  279.870669]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  279.875772]  ? trace_hardirqs_off+0xb8/0x310
[  279.880200]  ? schedule+0x108/0x460
[  279.883828]  ? __schedule+0x1ed0/0x1ed0
[  279.887805]  ? run_ksoftirqd+0x40/0x100
[  279.891807]  ? trace_hardirqs_off+0xb8/0x310
[  279.896235]  ? ___might_sleep+0x1ed/0x300
[  279.900399]  ? smpboot_thread_fn+0x68b/0xa00
[  279.904804]  ? trace_hardirqs_on+0x310/0x310
[  279.909212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.914764]  ? check_preemption_disabled+0x48/0x200
[  279.919776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.925317]  ? takeover_tasklets+0xa90/0xa90
[  279.929729]  run_ksoftirqd+0x94/0x100
[  279.933533]  smpboot_thread_fn+0x68b/0xa00
[  279.937765]  ? sort_range+0x30/0x30
[  279.941396]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.946501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.952068]  ? __kthread_parkme+0xfb/0x1a0
[  279.956319]  kthread+0x35a/0x420
[  279.959684]  ? sort_range+0x30/0x30
[  279.963331]  ? kthread_bind+0x40/0x40
[  279.967155]  ret_from_fork+0x3a/0x50
[  279.970876] warn_alloc_show_mem: 1 callbacks suppressed
[  279.970889] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  279.970891] Mem-Info:
[  279.970922] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  279.970922]  active_file:15 inactive_file:15 isolated_file:0
[  279.970922]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.970922]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  279.970922]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  279.970922]  free:13623 free_pcp:480 free_cma:0
[  279.976271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.983546] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.985945] Call Trace:
[  280.018982] Node 0 
[  280.028322]  <IRQ>
[  280.056097] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  280.058655]  dump_stack+0x1c4/0x2b4
[  280.060860] lowmem_reserve[]:
[  280.063023]  ? dump_stack_print_info.cold.2+0x52/0x52
[  280.088494]  0 2819
[  280.092165]  warn_alloc.cold.119+0xb7/0x1bd
[  280.095235]  6323
[  280.100417]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.102627]  6323
[  280.106943]  ? lock_downgrade+0x900/0x900
[  280.113814]  ? trace_hardirqs_off+0xb8/0x310
[  280.115850] Node 0 
[  280.120013]  ? trace_hardirqs_off+0xb8/0x310
[  280.124423] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  280.126627]  __alloc_pages_slowpath+0x2667/0x2d80
[  280.131013] lowmem_reserve[]:
[  280.157903]  ? warn_alloc+0x120/0x120
[  280.162706]  0
[  280.165801]  ? warn_alloc+0x120/0x120
[  280.169575]  0
[  280.171393]  ? warn_alloc+0x120/0x120
[  280.175167]  3503
[  280.176964]  ? mark_held_locks+0x130/0x130
[  280.180747]  3503
[  280.182805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.189089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.194599] Node 0 
[  280.200129]  ? should_fail+0x22d/0xd01
[  280.200159] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  280.200166] lowmem_reserve[]:
[  280.202398]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.206259]  0
[  280.234804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.237888]  0
[  280.242986]  ? should_fail+0x22d/0xd01
[  280.244773]  0
[  280.250312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.252100]  0
[  280.255993]  ? should_fail+0x22d/0xd01
[  280.262881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.264664] Node 0 
[  280.268561]  ? mark_held_locks+0x130/0x130
[  280.273637] DMA: 
[  280.275865]  ? mark_held_locks+0x130/0x130
[  280.280073] 1*4kB 
[  280.282176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.286405] (U) 
[  280.288567]  ? trace_hardirqs_off+0xb8/0x310
[  280.294073] 0*8kB 
[  280.296047]  ? kasan_check_read+0x11/0x20
[  280.300427] 0*16kB 
[  280.302569]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.306704] 1*32kB 
[  280.308929]  ? trace_hardirqs_on+0x310/0x310
[  280.313312] (U) 
[  280.315542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.319921] 2*64kB 
[  280.321894]  ? wq_watchdog_touch+0x9c/0xfe
[  280.327400] (U) 
[  280.329638]  ? io_serial_in+0x11/0x90
[  280.333843] 1*128kB 
[  280.335809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.339583] (U) 
[  280.341906]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.347413] 1*256kB 
[  280.349392]  __alloc_pages_nodemask+0xa80/0xde0
[  280.354462] (U) 
[  280.356784]  ? should_fail+0x22d/0xd01
[  280.361436] 0*512kB 
[  280.363404]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  280.367279] 1*1024kB 
[  280.369602]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.374598] (U) 
[  280.377004]  ? lock_downgrade+0x900/0x900
[  280.381648] 1*2048kB 
[  280.383617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.387756] (M) 
[  280.390190]  cache_grow_begin+0x91/0x8c0
[  280.395700] 3*4096kB 
[  280.397671]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.401722] (M) 
[  280.404129]  fallback_alloc+0x203/0x2e0
[  280.408517] = 15908kB
[  280.408525] Node 0 
[  280.410494]  ____cache_alloc_node+0x1c7/0x1e0
[  280.414440] DMA32: 
[  280.416840]  kmem_cache_alloc_node+0xe3/0x730
[  280.419047] 3*4kB 
[  280.423533]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.425747] (UM) 
[  280.430233]  __alloc_skb+0x119/0x770
[  280.432353] 2*8kB 
[  280.436582]  ? skb_scrub_packet+0x490/0x490
[  280.438616] (UM) 
[  280.442376]  ? lock_downgrade+0x900/0x900
[  280.444497] 2*16kB 
[  280.448809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.450845] (M) 
[  280.454989]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.457200] 2*32kB 
[  280.462728]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.464694] (M) 
[  280.470158]  ? addrconf_rs_timer+0x690/0x690
[  280.472376] 4*64kB 
[  280.477821]  ndisc_alloc_skb+0x144/0x340
[  280.479773] (M) 
[  280.484186]  ndisc_send_rs+0x331/0x6e0
[  280.486400] 3*128kB 
[  280.490460]  addrconf_rs_timer+0x314/0x690
[  280.492414] (M) 
[  280.496295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.498595] 4*256kB 
[  280.502825]  call_timer_fn+0x272/0x920
[  280.504785] (UM) 
[  280.509008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.511317] 3*512kB 
[  280.515198]  ? process_timeout+0x40/0x40
[  280.517235] (M) 
[  280.521462]  ? trace_hardirqs_off+0xb8/0x310
[  280.523759] 3*1024kB 
[  280.527816]  ? kasan_check_read+0x11/0x20
[  280.529762] (UM) 
[  280.534165]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.536548] 3*2048kB 
[  280.540687]  ? trace_hardirqs_on+0x310/0x310
[  280.542723] (M) 
[  280.547146]  ? __run_timers+0x7da/0xc70
[  280.549532] 3*4096kB 
[  280.553932]  ? lock_downgrade+0x900/0x900
[  280.555900] (M) 
[  280.559870]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.562252] = 24828kB
[  280.566396]  ? trace_hardirqs_on+0xbd/0x310
[  280.568348] Node 0 
[  280.573450]  ? kasan_check_read+0x11/0x20
[  280.575834] Normal: 
[  280.580149]  ? __run_timers+0x7da/0xc70
[  280.582369] 1555*4kB 
[  280.586511]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.588808] (UMEH) 
[  280.592777]  ? kasan_check_write+0x14/0x20
[  280.595161] 298*8kB 
[  280.600603]  ? do_raw_spin_lock+0xc1/0x200
[  280.602816] (ME) 
[  280.607044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.609340] 96*16kB 
[  280.613572]  __run_timers+0x7e5/0xc70
[  280.615626] (ME) 
[  280.619869]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  280.622162] 43*32kB 
[  280.625955]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.627995] (UME) 
[  280.633351]  ? timerqueue_add+0x207/0x2b0
[  280.635662] 31*64kB 
[  280.640685]  ? enqueue_hrtimer+0x1a5/0x560
[  280.642810] (UM) 
[  280.646947]  ? lock_release+0x970/0x970
[  280.649247] 0*128kB 
[  280.653472]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.655513] 1*256kB 
[  280.659505]  ? kasan_check_write+0x14/0x20
[  280.661817] (U) 
[  280.666995]  ? pvclock_read_flags+0x160/0x160
[  280.669301] 0*512kB 
[  280.673520]  ? lock_downgrade+0x900/0x900
[  280.675471] 0*1024kB 
[  280.679959]  ? trace_hardirqs_on+0xbd/0x310
[  280.682255] 0*2048kB 
[  280.686399]  ? kvm_sched_clock_read+0x9/0x20
[  280.688781] 0*4096kB 
[  280.693107]  ? irq_exit+0x17f/0x1c0
[  280.695490] = 13756kB
[  280.699884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.702275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  280.705891]  ? check_preemption_disabled+0x48/0x200
[  280.708293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  280.713813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.722628] 3632 total pagecache pages
[  280.727631]  run_timer_softirq+0x52/0xb0
[  280.736183] 0 pages in swap cache
[  280.741707]  ? __this_cpu_preempt_check+0x1c/0x1f
[  280.745569] Swap cache stats: add 0, delete 0, find 0/0
[  280.749619]  __do_softirq+0x30b/0xad8
[  280.753049] Free swap  = 0kB
[  280.757881]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  280.763219] Total swap = 0kB
[  280.767010]  ? pvclock_read_flags+0x160/0x160
[  280.769999] 1965979 pages RAM
[  280.775091]  ? lapic_next_event+0x5a/0x90
[  280.778085] 0 pages HighMem/MovableOnly
[  280.782574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.785654] 342307 pages reserved
[  280.789793]  ? clockevents_program_event+0x140/0x370
[  280.793746] 0 pages cma reserved
[  280.799278]  ? kvm_clock_read+0x18/0x30
[  280.802771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.807797]  ? kvm_sched_clock_read+0x9/0x20
[  280.807812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.807833]  ? check_preemption_disabled+0x48/0x200
[  280.811306] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.815142]  irq_exit+0x17f/0x1c0
[  280.821614] ksoftirqd/0 cpuset=
[  280.826018]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.831528] /
[  280.836536]  ? smp_reschedule_interrupt+0x109/0x650
[  280.846822]  mems_allowed=0
[  280.850266]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.873844]  ? interrupt_entry+0xb5/0xf0
[  280.877906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.882918]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.887936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.892785]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.897805]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.902821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.908393]  ? check_preemption_disabled+0x48/0x200
[  280.913407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.918946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.923806]  apic_timer_interrupt+0xf/0x20
[  280.928032]  </IRQ>
[  280.930273] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  280.935203] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  280.954101] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  280.961811] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  280.969078] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  280.976341] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  280.983609] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  280.990875] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  280.998206]  ? trace_hardirqs_on+0xb4/0x310
[  281.002534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.008077]  skb_clone+0x1bb/0x500
[  281.011619]  ? finish_task_switch+0x2f5/0x900
[  281.016130]  ? skb_split+0x11e0/0x11e0
[  281.020032]  ? preempt_notifier_register+0x200/0x200
[  281.025139]  ? __switch_to_asm+0x34/0x70
[  281.029213]  ? __switch_to_asm+0x34/0x70
[  281.033273]  ? __switch_to_asm+0x40/0x70
[  281.037326]  ? __switch_to_asm+0x34/0x70
[  281.041418]  ? __switch_to_asm+0x40/0x70
[  281.045474]  ? __switch_to_asm+0x34/0x70
[  281.049545]  ? __switch_to_asm+0x40/0x70
[  281.053598]  ? __switch_to_asm+0x34/0x70
[  281.057656]  ? __switch_to_asm+0x34/0x70
[  281.061712]  ? __switch_to_asm+0x40/0x70
[  281.065774]  ? __switch_to_asm+0x34/0x70
[  281.069839]  bpf_clone_redirect+0xb9/0x490
[  281.074074]  ? __schedule+0x874/0x1ed0
[  281.077967]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  281.082981]  ? __sched_text_start+0x8/0x8
[  281.087134]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.091892]  ? retint_kernel+0x2d/0x2d
[  281.095788]  ? lock_acquire+0x1ed/0x520
[  281.099759]  ? bpf_test_run+0x3cb/0x780
[  281.103747]  ? lock_release+0x970/0x970
[  281.107722]  ? preempt_schedule+0x4d/0x60
[  281.111881]  ? preempt_schedule_common+0x1f/0xd0
[  281.116639]  ? preempt_schedule+0x4d/0x60
[  281.120787]  ? ___preempt_schedule+0x16/0x18
[  281.125205]  ? bpf_test_run+0x25d/0x780
[  281.129186]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.133597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.139133]  ? bpf_test_init.isra.9+0x70/0x100
[  281.143728]  ? bpf_prog_test_run_skb+0x634/0xb40
[  281.148486]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  281.153349]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.158909]  ? fput+0x130/0x1a0
[  281.162190]  ? __bpf_prog_get+0x9b/0x290
[  281.166252]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  281.171088]  ? bpf_prog_test_run+0x130/0x1a0
[  281.175514]  ? __x64_sys_bpf+0x3d8/0x510
[  281.179574]  ? bpf_prog_get+0x20/0x20
[  281.183404]  ? do_syscall_64+0x1b9/0x820
[  281.187481]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.192844]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.197776]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.202793]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.207812]  ? recalc_sigpending_tsk+0x180/0x180
[  281.212573]  ? kasan_check_write+0x14/0x20
[  281.216811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.221657]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.227033] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  281.227132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.233894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.240491] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.249744] Call Trace:
[  281.260212] syz-executor4 cpuset=syz4
[  281.262794]  dump_stack+0x1c4/0x2b4
[  281.262810]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.266606]  mems_allowed=0
[  281.270230]  warn_alloc.cold.119+0xb7/0x1bd
[  281.282686]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.287528]  ? lock_downgrade+0x900/0x900
[  281.291695]  ? trace_hardirqs_off+0xb8/0x310
[  281.296118]  ? trace_hardirqs_off+0xb8/0x310
[  281.300529]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.305394]  ? mark_held_locks+0x130/0x130
[  281.309637]  ? warn_alloc+0x120/0x120
[  281.313440]  ? warn_alloc+0x120/0x120
[  281.317412]  ? cpuacct_charge+0x265/0x440
[  281.321561]  ? warn_alloc+0x120/0x120
[  281.325376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.330917]  ? should_fail+0x22d/0xd01
[  281.334802]  ? lock_downgrade+0x900/0x900
[  281.338949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.344066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.349596]  ? should_fail+0x22d/0xd01
[  281.353491]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  281.359288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.364398]  ? should_fail+0x22d/0xd01
[  281.368287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.373410]  ? mark_held_locks+0x130/0x130
[  281.377648]  ? mark_held_locks+0x130/0x130
[  281.381879]  ? __account_cfs_rq_runtime+0x790/0x790
[  281.386891]  ? select_task_rq_fair+0x754/0x3500
[  281.391561]  ? mark_held_locks+0x130/0x130
[  281.395795]  ? __cpu_to_node+0x7d/0xa0
[  281.399686]  ? account_entity_enqueue+0x3a3/0x660
[  281.404530]  ? __enqueue_entity+0x10d/0x1f0
[  281.408854]  ? check_preemption_disabled+0x48/0x200
[  281.413879]  __alloc_pages_nodemask+0xa80/0xde0
[  281.418544]  ? should_fail+0x22d/0xd01
[  281.422430]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.427461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.432142]  ? lock_downgrade+0x900/0x900
[  281.436556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.442094]  cache_grow_begin+0x91/0x8c0
[  281.446207]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.450614]  fallback_alloc+0x203/0x2e0
[  281.454598]  ____cache_alloc_node+0x1c7/0x1e0
[  281.459102]  kmem_cache_alloc_node+0xe3/0x730
[  281.463630]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.467872]  __alloc_skb+0x119/0x770
[  281.471603]  ? skb_scrub_packet+0x490/0x490
[  281.475930]  ? lock_downgrade+0x900/0x900
[  281.480080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.485617]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.491159]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.496604]  ? addrconf_rs_timer+0x690/0x690
[  281.501024]  ndisc_alloc_skb+0x144/0x340
[  281.505101]  ndisc_send_rs+0x331/0x6e0
[  281.509008]  addrconf_rs_timer+0x314/0x690
[  281.513236]  ? lock_release+0x970/0x970
[  281.517212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.521454]  call_timer_fn+0x272/0x920
[  281.525339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.529583]  ? process_timeout+0x40/0x40
[  281.533649]  ? kasan_check_read+0x11/0x20
[  281.537810]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.542220]  ? trace_hardirqs_on+0x310/0x310
[  281.546637]  ? __run_timers+0x7da/0xc70
[  281.550628]  ? lock_downgrade+0x900/0x900
[  281.554778]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.559900]  ? trace_hardirqs_on+0xbd/0x310
[  281.564222]  ? kasan_check_read+0x11/0x20
[  281.568516]  ? __run_timers+0x7da/0xc70
[  281.572494]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.577948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.583489]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.587765]  __run_timers+0x7e5/0xc70
[  281.591587]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  281.596966]  ? compat_start_thread+0x80/0x80
[  281.601376]  ? dequeue_entity+0x1770/0x1770
[  281.605695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.611232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.616774]  ? _raw_spin_unlock_irq+0x60/0x80
[  281.621272]  ? finish_task_switch+0x1f5/0x900
[  281.625791]  ? finish_task_switch+0x1b5/0x900
[  281.630288]  ? __switch_to_asm+0x34/0x70
[  281.634346]  ? preempt_notifier_register+0x200/0x200
[  281.639455]  ? __switch_to_asm+0x34/0x70
[  281.643513]  ? __switch_to_asm+0x40/0x70
[  281.647568]  ? __switch_to_asm+0x34/0x70
[  281.651629]  ? __switch_to_asm+0x40/0x70
[  281.655689]  ? __switch_to_asm+0x34/0x70
[  281.659744]  ? __switch_to_asm+0x40/0x70
[  281.663800]  ? __switch_to_asm+0x40/0x70
[  281.667865]  ? pvclock_read_flags+0x160/0x160
[  281.672368]  ? __schedule+0x874/0x1ed0
[  281.676255]  ? run_rebalance_domains+0x38d/0x500
[  281.681058]  ? trace_hardirqs_on+0xbd/0x310
[  281.685385]  ? kvm_sched_clock_read+0x9/0x20
[  281.689796]  ? run_ksoftirqd+0x94/0x100
[  281.693768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.699306]  ? check_preemption_disabled+0x48/0x200
[  281.704319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.709863]  run_timer_softirq+0x52/0xb0
[  281.713927]  ? __this_cpu_preempt_check+0x1c/0x1f
[  281.718768]  __do_softirq+0x30b/0xad8
[  281.722576]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  281.727677]  ? trace_hardirqs_off+0xb8/0x310
[  281.732088]  ? schedule+0x108/0x460
[  281.735715]  ? __schedule+0x1ed0/0x1ed0
[  281.739688]  ? run_ksoftirqd+0x40/0x100
[  281.743665]  ? trace_hardirqs_off+0xb8/0x310
[  281.748076]  ? ___might_sleep+0x1ed/0x300
[  281.752216]  ? smpboot_thread_fn+0x68b/0xa00
[  281.756619]  ? trace_hardirqs_on+0x310/0x310
[  281.761036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.766591]  ? check_preemption_disabled+0x48/0x200
[  281.771607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.777147]  ? takeover_tasklets+0xa90/0xa90
[  281.781552]  run_ksoftirqd+0x94/0x100
[  281.785347]  smpboot_thread_fn+0x68b/0xa00
[  281.789587]  ? sort_range+0x30/0x30
[  281.793228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.798347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.803889]  ? __kthread_parkme+0xfb/0x1a0
[  281.808124]  kthread+0x35a/0x420
[  281.811488]  ? sort_range+0x30/0x30
[  281.815111]  ? kthread_bind+0x40/0x40
[  281.818911]  ret_from_fork+0x3a/0x50
[  281.822650] warn_alloc_show_mem: 1 callbacks suppressed
[  281.822662] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  281.822664] Mem-Info:
[  281.822694] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  281.822694]  active_file:15 inactive_file:15 isolated_file:0
[  281.822694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.822694]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  281.822694]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  281.822694]  free:13623 free_pcp:480 free_cma:0
[  281.828050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.835342] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.837751] Call Trace:
[  281.870814] Node 0 
[  281.880161]  <IRQ>
[  281.907925] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  281.910485]  dump_stack+0x1c4/0x2b4
[  281.912688] lowmem_reserve[]:
[  281.914835]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.940312]  0
[  281.943953]  warn_alloc.cold.119+0xb7/0x1bd
[  281.947030]  2819
[  281.952226]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.953988]  6323
[  281.958323]  ? lock_downgrade+0x900/0x900
[  281.960356]  6323
[  281.965204]  ? trace_hardirqs_off+0xb8/0x310
[  281.971426]  ? trace_hardirqs_off+0xb8/0x310
[  281.973464] Node 0 
[  281.977867]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.982277] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  281.984497]  ? warn_alloc+0x120/0x120
[  281.989303] lowmem_reserve[]:
[  282.016193]  ? trace_hardirqs_on+0x310/0x310
[  282.019971]  0
[  282.023078]  ? warn_alloc+0x120/0x120
[  282.027461]  0
[  282.029257]  ? warn_alloc+0x120/0x120
[  282.033031]  3503
[  282.034833]  ? ktime_get+0x2e1/0x440
[  282.038598]  3503
[  282.040657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.046405]  ? check_preemption_disabled+0x48/0x200
[  282.051909] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  282.056951]  ? kasan_check_read+0x11/0x20
[  282.056968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.086085] lowmem_reserve[]: 0
[  282.090272]  ? should_fail+0x22d/0xd01
[  282.095792]  0
[  282.099066]  ? rcu_bh_qs+0xc0/0xc0
[  282.102919]  0
[  282.104718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.108229]  0
[  282.110030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.116925]  ? should_fail+0x22d/0xd01
[  282.122437] Node 0 DMA: 
[  282.126309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.126323]  ? should_fail+0x22d/0xd01
[  282.128999] 1*4kB 
[  282.134129]  ? rcu_idle_enter+0x4b0/0x4b0
[  282.137977] (U) 
[  282.140120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.144240] 0*8kB 
[  282.146207]  ? mark_held_locks+0x130/0x130
[  282.151278] 0*16kB 1*32kB 
[  282.153430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.157653] (U) 
[  282.160489]  ? mark_held_locks+0x130/0x130
[  282.165998] 2*64kB 
[  282.167994]  ? rcu_irq_exit+0xce/0x100
[  282.172198] (U) 
[  282.174442]  ? irq_exit+0xbd/0x1c0
[  282.178299] 1*128kB 
[  282.180282]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  282.183793] (U) 
[  282.186110]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.191115] 1*256kB 
[  282.193090]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.197467] (U) 0*512kB 
[  282.199794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.205651] 1*1024kB 
[  282.208313]  ? ret_from_intr+0xb/0x1e
[  282.213821] (U) 
[  282.216229]  ? retint_kernel+0x2d/0x2d
[  282.220023] 1*2048kB 
[  282.221992]  ? trace_hardirqs_on_caller+0xc0/0x310
[  282.225848] (M) 
[  282.228273]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.233174] 3*4096kB 
[  282.235145]  ? trace_hardirqs_off+0x310/0x310
[  282.239879] (M) 
[  282.242283]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.246768] = 15908kB
[  282.248740]  __alloc_pages_nodemask+0xa80/0xde0
[  282.253811] Node 0 
[  282.256214]  ? should_fail+0x22d/0xd01
[  282.260854] DMA32: 
[  282.263087]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  282.266948] 3*4kB 
[  282.269187]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.274165] (UM) 
[  282.276319]  ? lock_downgrade+0x900/0x900
[  282.280959] 2*8kB 
[  282.283019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.287135] (UM) 
[  282.289292]  cache_grow_begin+0x91/0x8c0
[  282.294805] 2*16kB 
[  282.296864]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.300915] (M) 
[  282.303163]  fallback_alloc+0x203/0x2e0
[  282.307558] 2*32kB 
[  282.309529]  ____cache_alloc_node+0x1c7/0x1e0
[  282.313479] (M) 
[  282.315727]  kmem_cache_alloc_node+0xe3/0x730
[  282.320198] 4*64kB 
[  282.322198]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.326663] (M) 
[  282.328893]  __alloc_skb+0x119/0x770
[  282.333097] 3*128kB 
[  282.335063]  ? skb_scrub_packet+0x490/0x490
[  282.338751] (M) 
[  282.341073]  ? lock_downgrade+0x900/0x900
[  282.345423] 4*256kB 
[  282.347403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.351520] (UM) 
[  282.353837]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.359343] 3*512kB 
[  282.361401]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.366835] (M) 
[  282.369153]  ? addrconf_rs_timer+0x690/0x690
[  282.374574] 3*1024kB 
[  282.376576]  ndisc_alloc_skb+0x144/0x340
[  282.380958] (UM) 
[  282.383367]  ndisc_send_rs+0x331/0x6e0
[  282.387407] 3*2048kB 
[  282.389459]  addrconf_rs_timer+0x314/0x690
[  282.393318] (M) 
[  282.395719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.399927] 3*4096kB 
[  282.401931]  call_timer_fn+0x272/0x920
[  282.406127] (M) = 24828kB
[  282.408537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.412400] Node 0 
[  282.415155]  ? process_timeout+0x40/0x40
[  282.419368] Normal: 
[  282.421616]  ? trace_hardirqs_off+0xb8/0x310
[  282.425660] 1555*4kB 
[  282.427982]  ? kasan_check_read+0x11/0x20
[  282.432357] (UMEH) 
[  282.434773]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.438893] 298*8kB 
[  282.441120]  ? trace_hardirqs_on+0x310/0x310
[  282.445505] (ME) 
[  282.447824]  ? __run_timers+0x7da/0xc70
[  282.452203] 96*16kB 
[  282.454258]  ? lock_downgrade+0x900/0x900
[  282.458209] (ME) 
[  282.460535]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.464659] 43*32kB 
[  282.466713]  ? trace_hardirqs_on+0xbd/0x310
[  282.471809] (UME) 
[  282.474151]  ? kasan_check_read+0x11/0x20
[  282.478443] 31*64kB 
[  282.480587]  ? __run_timers+0x7da/0xc70
[  282.484721] (UM) 
[  282.487059]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.491019] 0*128kB 
[  282.493091]  ? kasan_check_write+0x14/0x20
[  282.498514] 1*256kB 
[  282.500830]  ? do_raw_spin_lock+0xc1/0x200
[  282.505035] (U) 
[  282.507352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.511566] 0*512kB 
[  282.513545]  __run_timers+0x7e5/0xc70
[  282.517753] 0*1024kB 
[  282.520119]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.523888] 0*2048kB 
[  282.526289]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.531628] 0*4096kB 
[  282.534028]  ? timerqueue_add+0x207/0x2b0
[  282.539030] = 13756kB
[  282.541433]  ? enqueue_hrtimer+0x1a5/0x560
[  282.545561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.547976]  ? lock_release+0x970/0x970
[  282.552188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.561010]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.564960] 3632 total pagecache pages
[  282.573531]  ? kasan_check_write+0x14/0x20
[  282.578695] 0 pages in swap cache
[  282.582576]  ? pvclock_read_flags+0x160/0x160
[  282.586802] Swap cache stats: add 0, delete 0, find 0/0
[  282.590257]  ? lock_downgrade+0x900/0x900
[  282.594728] Free swap  = 0kB
[  282.600097]  ? trace_hardirqs_on+0xbd/0x310
[  282.604213] Total swap = 0kB
[  282.607222]  ? kvm_sched_clock_read+0x9/0x20
[  282.611514] 1965979 pages RAM
[  282.614526]  ? irq_exit+0x17f/0x1c0
[  282.618921] 0 pages HighMem/MovableOnly
[  282.622023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.625628] 342307 pages reserved
[  282.629595]  ? check_preemption_disabled+0x48/0x200
[  282.635099] 0 pages cma reserved
[  282.638554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.643610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.646924]  run_timer_softirq+0x52/0xb0
[  282.646958]  ? __this_cpu_preempt_check+0x1c/0x1f
[  282.652527] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.658957]  __do_softirq+0x30b/0xad8
[  282.662995] ksoftirqd/0 cpuset=
[  282.667848]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.678126] / mems_allowed=0
[  282.681932]  ? pvclock_read_flags+0x160/0x160
[  282.697771]  ? lapic_next_event+0x5a/0x90
[  282.701922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.707470]  ? clockevents_program_event+0x140/0x370
[  282.712586]  ? kvm_clock_read+0x18/0x30
[  282.716581]  ? kvm_sched_clock_read+0x9/0x20
[  282.720995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.726536]  ? check_preemption_disabled+0x48/0x200
[  282.731561]  irq_exit+0x17f/0x1c0
[  282.735017]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.739856]  ? smp_reschedule_interrupt+0x109/0x650
[  282.744872]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.750756]  ? interrupt_entry+0xb5/0xf0
[  282.754819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.759832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.764851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.769694]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.774705]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.779727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.785296]  ? check_preemption_disabled+0x48/0x200
[  282.790359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.795909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.800759]  apic_timer_interrupt+0xf/0x20
[  282.804984]  </IRQ>
[  282.807224] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.812155] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  282.831054] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.838758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  282.846020] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  282.853285] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  282.860550] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  282.867816] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  282.875107]  ? trace_hardirqs_on+0xb4/0x310
[  282.879445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.884987]  skb_clone+0x1bb/0x500
[  282.888532]  ? finish_task_switch+0x2f5/0x900
[  282.893070]  ? skb_split+0x11e0/0x11e0
[  282.896962]  ? preempt_notifier_register+0x200/0x200
[  282.902108]  ? __switch_to_asm+0x34/0x70
[  282.906182]  ? __switch_to_asm+0x34/0x70
[  282.910239]  ? __switch_to_asm+0x40/0x70
[  282.914293]  ? __switch_to_asm+0x34/0x70
[  282.918369]  ? __switch_to_asm+0x40/0x70
[  282.922457]  ? __switch_to_asm+0x34/0x70
[  282.926527]  ? __switch_to_asm+0x40/0x70
[  282.930581]  ? __switch_to_asm+0x34/0x70
[  282.934642]  ? __switch_to_asm+0x34/0x70
[  282.938715]  ? __switch_to_asm+0x40/0x70
[  282.942774]  ? __switch_to_asm+0x34/0x70
[  282.946840]  bpf_clone_redirect+0xb9/0x490
[  282.951076]  ? __schedule+0x874/0x1ed0
[  282.955000]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  282.960016]  ? __sched_text_start+0x8/0x8
[  282.964163]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.968987]  ? retint_kernel+0x2d/0x2d
[  282.972881]  ? lock_acquire+0x1ed/0x520
[  282.976851]  ? bpf_test_run+0x3cb/0x780
[  282.980826]  ? lock_release+0x970/0x970
[  282.984798]  ? preempt_schedule+0x4d/0x60
[  282.988944]  ? preempt_schedule_common+0x1f/0xd0
[  282.993711]  ? preempt_schedule+0x4d/0x60
[  282.997856]  ? ___preempt_schedule+0x16/0x18
[  283.002284]  ? bpf_test_run+0x25d/0x780
[  283.006263]  ? netlink_diag_dump+0x2a0/0x2a0
[  283.010672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.016216]  ? bpf_test_init.isra.9+0x70/0x100
[  283.020802]  ? bpf_prog_test_run_skb+0x634/0xb40
[  283.025566]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  283.030410]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  283.035947]  ? fput+0x130/0x1a0
[  283.039224]  ? __bpf_prog_get+0x9b/0x290
[  283.043283]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  283.048121]  ? bpf_prog_test_run+0x130/0x1a0
[  283.052535]  ? __x64_sys_bpf+0x3d8/0x510
[  283.056597]  ? bpf_prog_get+0x20/0x20
[  283.060413]  ? do_syscall_64+0x1b9/0x820
[  283.064474]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  283.069837]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.074767]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.079782]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  283.084802]  ? recalc_sigpending_tsk+0x180/0x180
[  283.089559]  ? kasan_check_write+0x14/0x20
[  283.093806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.098680]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  283.104055] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  283.104129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.110891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.110895] Call Trace:
[  283.110916]  dump_stack+0x1c4/0x2b4
[  283.110931]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.117478] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.126762]  warn_alloc.cold.119+0xb7/0x1bd
[  283.129320] syz-executor4 cpuset=
[  283.132940]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.138103] syz4
[  283.148584]  ? lock_downgrade+0x900/0x900
[  283.152908]  mems_allowed=0
[  283.156347]  ? trace_hardirqs_off+0xb8/0x310
[  283.174614]  ? trace_hardirqs_off+0xb8/0x310
[  283.179029]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.183885]  ? mark_held_locks+0x130/0x130
[  283.188119]  ? warn_alloc+0x120/0x120
[  283.191934]  ? warn_alloc+0x120/0x120
[  283.195746]  ? cpuacct_charge+0x265/0x440
[  283.199894]  ? warn_alloc+0x120/0x120
[  283.203709]  ? mark_held_locks+0x130/0x130
[  283.207946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.213498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.219033]  ? should_fail+0x22d/0xd01
[  283.222921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.228019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.233562]  ? should_fail+0x22d/0xd01
[  283.237452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.242556]  ? should_fail+0x22d/0xd01
[  283.246453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.251558]  ? mark_held_locks+0x130/0x130
[  283.255793]  ? mark_held_locks+0x130/0x130
[  283.260029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.265568]  ? trace_hardirqs_off+0xb8/0x310
[  283.269976]  ? kasan_check_read+0x11/0x20
[  283.274123]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.278532]  ? trace_hardirqs_on+0x310/0x310
[  283.282935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.288488]  ? wq_watchdog_touch+0x9c/0xfe
[  283.292742]  ? io_serial_in+0x11/0x90
[  283.296553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.302097]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.307207]  __alloc_pages_nodemask+0xa80/0xde0
[  283.311893]  ? should_fail+0x22d/0xd01
[  283.315780]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.320807]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.325652]  ? lock_downgrade+0x900/0x900
[  283.329803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.335342]  cache_grow_begin+0x91/0x8c0
[  283.339454]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.343864]  fallback_alloc+0x203/0x2e0
[  283.347837]  ____cache_alloc_node+0x1c7/0x1e0
[  283.352334]  kmem_cache_alloc_node+0xe3/0x730
[  283.356850]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.361091]  __alloc_skb+0x119/0x770
[  283.364822]  ? skb_scrub_packet+0x490/0x490
[  283.369165]  ? lock_downgrade+0x900/0x900
[  283.373331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.378878]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.384330]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.389782]  ? addrconf_rs_timer+0x690/0x690
[  283.394199]  ndisc_alloc_skb+0x144/0x340
[  283.398261]  ndisc_send_rs+0x331/0x6e0
[  283.402147]  addrconf_rs_timer+0x314/0x690
[  283.406412]  ? lock_release+0x970/0x970
[  283.410398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.414669]  call_timer_fn+0x272/0x920
[  283.418572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.422808]  ? process_timeout+0x40/0x40
[  283.426916]  ? kasan_check_read+0x11/0x20
[  283.431067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.435699]  ? trace_hardirqs_on+0x310/0x310
[  283.440108]  ? __run_timers+0x7da/0xc70
[  283.444095]  ? lock_downgrade+0x900/0x900
[  283.448245]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.453346]  ? trace_hardirqs_on+0xbd/0x310
[  283.457678]  ? kasan_check_read+0x11/0x20
[  283.461824]  ? __run_timers+0x7da/0xc70
[  283.465794]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.471241]  ? kasan_check_write+0x14/0x20
[  283.475472]  ? do_raw_spin_lock+0xc1/0x200
[  283.479710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.483947]  __run_timers+0x7e5/0xc70
[  283.487772]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  283.493146]  ? compat_start_thread+0x80/0x80
[  283.497599]  ? dequeue_entity+0x1770/0x1770
[  283.501927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.507463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.513007]  ? _raw_spin_unlock_irq+0x60/0x80
[  283.517504]  ? finish_task_switch+0x1f5/0x900
[  283.521995]  ? finish_task_switch+0x1b5/0x900
[  283.526489]  ? __switch_to_asm+0x34/0x70
[  283.530552]  ? preempt_notifier_register+0x200/0x200
[  283.535702]  ? __switch_to_asm+0x34/0x70
[  283.539762]  ? __switch_to_asm+0x40/0x70
[  283.543821]  ? __switch_to_asm+0x34/0x70
[  283.547884]  ? __switch_to_asm+0x40/0x70
[  283.551944]  ? __switch_to_asm+0x34/0x70
[  283.556005]  ? __switch_to_asm+0x40/0x70
[  283.560067]  ? __switch_to_asm+0x40/0x70
[  283.564133]  ? pvclock_read_flags+0x160/0x160
[  283.568637]  ? __schedule+0x874/0x1ed0
[  283.572529]  ? run_rebalance_domains+0x38d/0x500
[  283.577287]  ? trace_hardirqs_on+0xbd/0x310
[  283.581621]  ? kvm_sched_clock_read+0x9/0x20
[  283.586036]  ? run_ksoftirqd+0x94/0x100
[  283.590011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.595555]  ? check_preemption_disabled+0x48/0x200
[  283.600567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.606108]  run_timer_softirq+0x52/0xb0
[  283.610169]  ? __this_cpu_preempt_check+0x1c/0x1f
[  283.615009]  __do_softirq+0x30b/0xad8
[  283.618835]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  283.623936]  ? trace_hardirqs_off+0xb8/0x310
[  283.628358]  ? schedule+0x108/0x460
[  283.632019]  ? __schedule+0x1ed0/0x1ed0
[  283.635997]  ? run_ksoftirqd+0x40/0x100
[  283.639970]  ? trace_hardirqs_off+0xb8/0x310
[  283.644386]  ? ___might_sleep+0x1ed/0x300
[  283.648549]  ? smpboot_thread_fn+0x68b/0xa00
[  283.652956]  ? trace_hardirqs_on+0x310/0x310
[  283.657375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.662915]  ? check_preemption_disabled+0x48/0x200
[  283.667930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.673466]  ? takeover_tasklets+0xa90/0xa90
[  283.677874]  run_ksoftirqd+0x94/0x100
[  283.681674]  smpboot_thread_fn+0x68b/0xa00
[  283.685911]  ? sort_range+0x30/0x30
[  283.689541]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.694647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.700187]  ? __kthread_parkme+0xfb/0x1a0
[  283.704426]  kthread+0x35a/0x420
[  283.707791]  ? sort_range+0x30/0x30
[  283.711419]  ? kthread_bind+0x40/0x40
[  283.715219]  ret_from_fork+0x3a/0x50
[  283.718940] warn_alloc_show_mem: 1 callbacks suppressed
[  283.718953] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  283.718955] Mem-Info:
[  283.718985] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  283.718985]  active_file:15 inactive_file:15 isolated_file:0
[  283.718985]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.718985]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  283.718985]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  283.718985]  free:13623 free_pcp:480 free_cma:0
[  283.724327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.731605] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.734001] Call Trace:
[  283.767039] Node 0 
[  283.776386]  <IRQ>
[  283.804157] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.806719]  dump_stack+0x1c4/0x2b4
[  283.808918] lowmem_reserve[]:
[  283.811065]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.836543]  0
[  283.840172]  warn_alloc.cold.119+0xb7/0x1bd
[  283.843247]  2819
[  283.848429]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.850204]  6323
[  283.854523]  ? lock_downgrade+0x900/0x900
[  283.856561]  6323
[  283.861402]  ? trace_hardirqs_off+0xb8/0x310
[  283.867579]  ? trace_hardirqs_off+0xb8/0x310
[  283.869620] Node 0 
[  283.874025]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.878429] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  283.880649]  ? warn_alloc+0x120/0x120
[  283.885461] lowmem_reserve[]:
[  283.912352]  ? trace_hardirqs_on+0x310/0x310
[  283.916128]  0 0
[  283.919238]  ? warn_alloc+0x120/0x120
[  283.923616]  3503
[  283.925587]  ? warn_alloc+0x120/0x120
[  283.929371]  3503
[  283.931430]  ? ktime_get+0x2e1/0x440
[  283.937259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.940947] Node 0 
[  283.946479]  ? check_preemption_disabled+0x48/0x200
[  283.946514] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  283.948723]  ? kasan_check_read+0x11/0x20
[  283.953711] lowmem_reserve[]:
[  283.982247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.986375]  0
[  283.989475]  ? should_fail+0x22d/0xd01
[  283.994982]  0
[  283.996800]  ? rcu_bh_qs+0xc0/0xc0
[  284.000659]  0
[  284.002458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.005968]  0
[  284.007769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.014642]  ? should_fail+0x22d/0xd01
[  284.020152] Node 0 DMA: 
[  284.024030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.024045]  ? should_fail+0x22d/0xd01
[  284.026694] 1*4kB 
[  284.031793]  ? rcu_idle_enter+0x4b0/0x4b0
[  284.035650] (U) 
[  284.037793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.041912] 0*8kB 
[  284.043883]  ? mark_held_locks+0x130/0x130
[  284.048957] 0*16kB 
[  284.051100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.055306] 1*32kB 
[  284.057536]  ? mark_held_locks+0x130/0x130
[  284.063046] (U) 
[  284.065290]  ? rcu_irq_exit+0xce/0x100
[  284.069497] 2*64kB 
[  284.071466]  ? irq_exit+0xbd/0x1c0
[  284.075323] (U) 
[  284.077558]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  284.081069] 1*128kB 
[  284.083036]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.088078] (U) 
[  284.090410]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.094800] 1*256kB 
[  284.096783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.102643] (U) 
[  284.104980]  ? ret_from_intr+0xb/0x1e
[  284.110506] 0*512kB 
[  284.112474]  ? retint_kernel+0x2d/0x2d
[  284.116263] 1*1024kB 
[  284.118580]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.122436] (U) 
[  284.124841]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.129741] 1*2048kB 
[  284.131709]  ? trace_hardirqs_off+0x310/0x310
[  284.136471] (M) 
[  284.138881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.143349] 3*4096kB 
[  284.145331]  __alloc_pages_nodemask+0xa80/0xde0
[  284.150419] (M) 
[  284.152823]  ? should_fail+0x22d/0xd01
[  284.157467] = 15908kB
[  284.159439]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  284.163299] Node 0 
[  284.165710]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.170689] DMA32: 
[  284.172954]  ? lock_downgrade+0x900/0x900
[  284.177593] 3*4kB 
[  284.179830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.183945] (UM) 
[  284.186089]  cache_grow_begin+0x91/0x8c0
[  284.191596] 2*8kB 
[  284.193657]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.197689] (UM) 
[  284.199833]  fallback_alloc+0x203/0x2e0
[  284.204212] 2*16kB 
[  284.206268]  ____cache_alloc_node+0x1c7/0x1e0
[  284.210221] (M) 
[  284.212451]  kmem_cache_alloc_node+0xe3/0x730
[  284.216923] 2*32kB 
[  284.218893]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.223355] (M) 4*64kB 
[  284.225604]  __alloc_skb+0x119/0x770
[  284.229808] (M) 3*128kB 
[  284.232407]  ? skb_scrub_packet+0x490/0x490
[  284.236089] (M) 
[  284.238757]  ? lock_downgrade+0x900/0x900
[  284.243066] 4*256kB 
[  284.245054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.249170] (UM) 
[  284.251489]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.256995] 3*512kB 
[  284.259072]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.264494] (M) 
[  284.266810]  ? addrconf_rs_timer+0x690/0x690
[  284.272231] 3*1024kB 
[  284.274203]  ndisc_alloc_skb+0x144/0x340
[  284.278585] (UM) 
[  284.280985]  ndisc_send_rs+0x331/0x6e0
[  284.285023] 3*2048kB 
[  284.287106]  addrconf_rs_timer+0x314/0x690
[  284.290972] (M) 
[  284.293381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.297593] 3*4096kB 
[  284.299567]  call_timer_fn+0x272/0x920
[  284.303773] (M) 
[  284.306175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.310039] = 24828kB
[  284.312013]  ? process_timeout+0x40/0x40
[  284.316232] Node 0 
[  284.318655]  ? trace_hardirqs_off+0xb8/0x310
[  284.322690] Normal: 
[  284.324938]  ? kasan_check_read+0x11/0x20
[  284.329315] 1555*4kB 
[  284.331636]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.335760] (UMEH) 
[  284.338164]  ? trace_hardirqs_on+0x310/0x310
[  284.342549] 298*8kB 
[  284.344778]  ? __run_timers+0x7da/0xc70
[  284.349157] (ME) 
[  284.351479]  ? lock_downgrade+0x900/0x900
[  284.355425] 96*16kB 
[  284.357508]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.361628] (ME) 
[  284.363948]  ? trace_hardirqs_on+0xbd/0x310
[  284.369023] 43*32kB 
[  284.371082]  ? kasan_check_read+0x11/0x20
[  284.375380] (UME) 
[  284.377702]  ? __run_timers+0x7da/0xc70
[  284.381819] 31*64kB 
[  284.383963]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.387907] (UM) 
[  284.390224]  ? kasan_check_write+0x14/0x20
[  284.395646] 0*128kB 
[  284.397705]  ? do_raw_spin_lock+0xc1/0x200
[  284.401908] 1*256kB 
[  284.404229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.408430] (U) 0*512kB 
[  284.410771]  __run_timers+0x7e5/0xc70
[  284.414982] 0*1024kB 
[  284.417655]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.421424] 0*2048kB 
[  284.423826]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.429161] 0*4096kB 
[  284.431566]  ? timerqueue_add+0x207/0x2b0
[  284.436575] = 13756kB
[  284.438982]  ? enqueue_hrtimer+0x1a5/0x560
[  284.443113] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.445519]  ? lock_release+0x970/0x970
[  284.449746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.458573]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.462522] 3632 total pagecache pages
[  284.471095]  ? kasan_check_write+0x14/0x20
[  284.476258] 0 pages in swap cache
[  284.480148]  ? pvclock_read_flags+0x160/0x160
[  284.484357] Swap cache stats: add 0, delete 0, find 0/0
[  284.487807]  ? lock_downgrade+0x900/0x900
[  284.492273] Free swap  = 0kB
[  284.497634]  ? trace_hardirqs_on+0xbd/0x310
[  284.501762] Total swap = 0kB
[  284.504784]  ? kvm_sched_clock_read+0x9/0x20
[  284.509074] 1965979 pages RAM
[  284.512086]  ? irq_exit+0x17f/0x1c0
[  284.516463] 0 pages HighMem/MovableOnly
[  284.519568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.523165] 342307 pages reserved
[  284.527139]  ? check_preemption_disabled+0x48/0x200
[  284.532643] 0 pages cma reserved
[  284.536113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.541184] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.544478]  run_timer_softirq+0x52/0xb0
[  284.550058] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.556473]  ? __this_cpu_preempt_check+0x1c/0x1f
[  284.560508] ksoftirqd/0 cpuset=
[  284.570810]  __do_softirq+0x30b/0xad8
[  284.575629] /
[  284.578899]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.582675]  mems_allowed=0
[  284.584387]  ? pvclock_read_flags+0x160/0x160
[  284.596876]  ? lapic_next_event+0x5a/0x90
[  284.601026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.606565]  ? clockevents_program_event+0x140/0x370
[  284.611674]  ? kvm_clock_read+0x18/0x30
[  284.615644]  ? kvm_sched_clock_read+0x9/0x20
[  284.620058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.625601]  ? check_preemption_disabled+0x48/0x200
[  284.630630]  irq_exit+0x17f/0x1c0
[  284.634087]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.638927]  ? smp_reschedule_interrupt+0x109/0x650
[  284.643942]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.649828]  ? interrupt_entry+0xb5/0xf0
[  284.653894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.658913]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.663930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.668769]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.673783]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.678797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.684334]  ? check_preemption_disabled+0x48/0x200
[  284.689357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.694904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.699751]  apic_timer_interrupt+0xf/0x20
[  284.703978]  </IRQ>
[  284.706249] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.711194] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  284.730094] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.737836] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  284.745101] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  284.752380] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  284.759648] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  284.766913] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  284.774219]  ? trace_hardirqs_on+0xb4/0x310
[  284.778554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.784097]  skb_clone+0x1bb/0x500
[  284.787645]  ? finish_task_switch+0x2f5/0x900
[  284.792149]  ? skb_split+0x11e0/0x11e0
[  284.796039]  ? preempt_notifier_register+0x200/0x200
[  284.801147]  ? __switch_to_asm+0x34/0x70
[  284.805208]  ? __switch_to_asm+0x34/0x70
[  284.809268]  ? __switch_to_asm+0x40/0x70
[  284.813327]  ? __switch_to_asm+0x34/0x70
[  284.817391]  ? __switch_to_asm+0x40/0x70
[  284.821454]  ? __switch_to_asm+0x34/0x70
[  284.825516]  ? __switch_to_asm+0x40/0x70
[  284.829601]  ? __switch_to_asm+0x34/0x70
[  284.833666]  ? __switch_to_asm+0x34/0x70
[  284.837730]  ? __switch_to_asm+0x40/0x70
[  284.841792]  ? __switch_to_asm+0x34/0x70
[  284.845866]  bpf_clone_redirect+0xb9/0x490
[  284.850108]  ? __schedule+0x874/0x1ed0
[  284.854012]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  284.859042]  ? __sched_text_start+0x8/0x8
[  284.863213]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.867981]  ? retint_kernel+0x2d/0x2d
[  284.871883]  ? lock_acquire+0x1ed/0x520
[  284.875868]  ? bpf_test_run+0x3cb/0x780
[  284.879853]  ? lock_release+0x970/0x970
[  284.883833]  ? preempt_schedule+0x4d/0x60
[  284.887992]  ? preempt_schedule_common+0x1f/0xd0
[  284.892755]  ? preempt_schedule+0x4d/0x60
[  284.896911]  ? ___preempt_schedule+0x16/0x18
[  284.901328]  ? bpf_test_run+0x25d/0x780
[  284.905317]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.909736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.915279]  ? bpf_test_init.isra.9+0x70/0x100
[  284.919876]  ? bpf_prog_test_run_skb+0x634/0xb40
[  284.924651]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.929504]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.935055]  ? fput+0x130/0x1a0
[  284.938348]  ? __bpf_prog_get+0x9b/0x290
[  284.942434]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.947288]  ? bpf_prog_test_run+0x130/0x1a0
[  284.951713]  ? __x64_sys_bpf+0x3d8/0x510
[  284.955797]  ? bpf_prog_get+0x20/0x20
[  284.959614]  ? do_syscall_64+0x1b9/0x820
[  284.963684]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.969047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.973978]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.978994]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.984010]  ? recalc_sigpending_tsk+0x180/0x180
[  284.988766]  ? kasan_check_write+0x14/0x20
[  284.993007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.997858]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  285.003234] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  285.003301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.010070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.010075] Call Trace:
[  285.010095]  dump_stack+0x1c4/0x2b4
[  285.010115]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.016679] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.025946]  warn_alloc.cold.119+0xb7/0x1bd
[  285.028502] syz-executor4 cpuset=
[  285.032122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.037286] syz4
[  285.047768]  ? lock_downgrade+0x900/0x900
[  285.052067]  mems_allowed=0
[  285.055515]  ? trace_hardirqs_off+0xb8/0x310
[  285.073768]  ? trace_hardirqs_off+0xb8/0x310
[  285.078183]  __alloc_pages_slowpath+0x2667/0x2d80
[  285.083039]  ? mark_held_locks+0x130/0x130
[  285.087276]  ? warn_alloc+0x120/0x120
[  285.091080]  ? warn_alloc+0x120/0x120
[  285.094878]  ? cpuacct_charge+0x265/0x440
[  285.099027]  ? warn_alloc+0x120/0x120
[  285.102826]  ? mark_held_locks+0x130/0x130
[  285.107063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.112601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.118144]  ? should_fail+0x22d/0xd01
[  285.122035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.127135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.132670]  ? should_fail+0x22d/0xd01
[  285.136560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.141662]  ? should_fail+0x22d/0xd01
[  285.145552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.150663]  ? mark_held_locks+0x130/0x130
[  285.154901]  ? mark_held_locks+0x130/0x130
[  285.159133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.164684]  ? trace_hardirqs_off+0xb8/0x310
[  285.169101]  ? kasan_check_read+0x11/0x20
[  285.173244]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.177655]  ? trace_hardirqs_on+0x310/0x310
[  285.182062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.187596]  ? wq_watchdog_touch+0x9c/0xfe
[  285.191834]  ? io_serial_in+0x11/0x90
[  285.195642]  ? retint_kernel+0x2d/0x2d
[  285.199534]  ? trace_hardirqs_on_caller+0xc0/0x310
[  285.204469]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  285.209226]  ? trace_hardirqs_off+0x310/0x310
[  285.213720]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.218864]  __alloc_pages_nodemask+0xa80/0xde0
[  285.223534]  ? should_fail+0x22d/0xd01
[  285.227424]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  285.232455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.237122]  ? lock_downgrade+0x900/0x900
[  285.241289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.246832]  cache_grow_begin+0x91/0x8c0
[  285.250897]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.255312]  fallback_alloc+0x203/0x2e0
[  285.259291]  ____cache_alloc_node+0x1c7/0x1e0
[  285.263787]  kmem_cache_alloc_node+0xe3/0x730
[  285.268282]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.272547]  __alloc_skb+0x119/0x770
[  285.276262]  ? skb_scrub_packet+0x490/0x490
[  285.280580]  ? lock_downgrade+0x900/0x900
[  285.284750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.290288]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.295743]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.301191]  ? addrconf_rs_timer+0x690/0x690
[  285.305608]  ndisc_alloc_skb+0x144/0x340
[  285.309675]  ndisc_send_rs+0x331/0x6e0
[  285.313561]  addrconf_rs_timer+0x314/0x690
[  285.317793]  ? lock_release+0x970/0x970
[  285.321768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.326012]  call_timer_fn+0x272/0x920
[  285.329895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.334131]  ? process_timeout+0x40/0x40
[  285.338192]  ? kasan_check_read+0x11/0x20
[  285.342601]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.347021]  ? trace_hardirqs_on+0x310/0x310
[  285.351429]  ? __run_timers+0x7da/0xc70
[  285.355409]  ? lock_downgrade+0x900/0x900
[  285.359562]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.364664]  ? trace_hardirqs_on+0xbd/0x310
[  285.368989]  ? kasan_check_read+0x11/0x20
[  285.373135]  ? __run_timers+0x7da/0xc70
[  285.377109]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.382559]  ? kasan_check_write+0x14/0x20
[  285.386793]  ? do_raw_spin_lock+0xc1/0x200
[  285.391035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.395268]  __run_timers+0x7e5/0xc70
[  285.399079]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.404441]  ? compat_start_thread+0x80/0x80
[  285.408846]  ? dequeue_entity+0x1770/0x1770
[  285.413188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.418723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.424266]  ? _raw_spin_unlock_irq+0x60/0x80
[  285.428766]  ? finish_task_switch+0x1f5/0x900
[  285.433263]  ? finish_task_switch+0x1b5/0x900
[  285.437947]  ? __switch_to_asm+0x34/0x70
[  285.442008]  ? preempt_notifier_register+0x200/0x200
[  285.447110]  ? __switch_to_asm+0x34/0x70
[  285.451170]  ? __switch_to_asm+0x40/0x70
[  285.455229]  ? __switch_to_asm+0x34/0x70
[  285.459288]  ? __switch_to_asm+0x40/0x70
[  285.463357]  ? __switch_to_asm+0x34/0x70
[  285.467425]  ? __switch_to_asm+0x40/0x70
[  285.471484]  ? __switch_to_asm+0x40/0x70
[  285.475547]  ? pvclock_read_flags+0x160/0x160
[  285.480043]  ? __schedule+0x874/0x1ed0
[  285.483934]  ? run_rebalance_domains+0x38d/0x500
[  285.488698]  ? trace_hardirqs_on+0xbd/0x310
[  285.493017]  ? kvm_sched_clock_read+0x9/0x20
[  285.497469]  ? run_ksoftirqd+0x94/0x100
[  285.501448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.507006]  ? check_preemption_disabled+0x48/0x200
[  285.512022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.517564]  run_timer_softirq+0x52/0xb0
[  285.521628]  ? __this_cpu_preempt_check+0x1c/0x1f
[  285.526466]  __do_softirq+0x30b/0xad8
[  285.530272]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.535429]  ? trace_hardirqs_off+0xb8/0x310
[  285.539873]  ? schedule+0x108/0x460
[  285.543542]  ? __schedule+0x1ed0/0x1ed0
[  285.547518]  ? run_ksoftirqd+0x40/0x100
[  285.551496]  ? trace_hardirqs_off+0xb8/0x310
[  285.555907]  ? ___might_sleep+0x1ed/0x300
[  285.560065]  ? smpboot_thread_fn+0x68b/0xa00
[  285.564471]  ? trace_hardirqs_on+0x310/0x310
[  285.569021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.574589]  ? check_preemption_disabled+0x48/0x200
[  285.579604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.585145]  ? takeover_tasklets+0xa90/0xa90
[  285.589553]  run_ksoftirqd+0x94/0x100
[  285.593387]  smpboot_thread_fn+0x68b/0xa00
[  285.597640]  ? sort_range+0x30/0x30
[  285.601269]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.606379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.611927]  ? __kthread_parkme+0xfb/0x1a0
[  285.616174]  kthread+0x35a/0x420
[  285.619537]  ? sort_range+0x30/0x30
[  285.623163]  ? kthread_bind+0x40/0x40
[  285.626962]  ret_from_fork+0x3a/0x50
[  285.630686] warn_alloc_show_mem: 1 callbacks suppressed
[  285.630699] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  285.630701] Mem-Info:
[  285.630731] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  285.630731]  active_file:15 inactive_file:15 isolated_file:0
[  285.630731]  unevictable:0 dirty:0 writeback:0 unstable:0
[  285.630731]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  285.630731]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  285.630731]  free:13623 free_pcp:480 free_cma:0
[  285.636075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.643352] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  285.645751] Call Trace:
[  285.678793] Node 0 
[  285.688140]  <IRQ>
[  285.716584] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  285.719150]  dump_stack+0x1c4/0x2b4
[  285.721351] lowmem_reserve[]:
[  285.723522]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.749008]  0
[  285.752648]  warn_alloc.cold.119+0xb7/0x1bd
[  285.755714]  2819 6323
[  285.760911]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.762682]  6323
[  285.767002]  ? lock_downgrade+0x900/0x900
[  285.774309]  ? trace_hardirqs_off+0xb8/0x310
[  285.776344] Node 0 
[  285.780489]  ? trace_hardirqs_off+0xb8/0x310
[  285.784900] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  285.787140]  __alloc_pages_slowpath+0x2667/0x2d80
[  285.791515] lowmem_reserve[]:
[  285.818450]  ? warn_alloc+0x120/0x120
[  285.823256]  0
[  285.826377]  ? trace_hardirqs_on+0x310/0x310
[  285.830161]  0
[  285.831959]  ? warn_alloc+0x120/0x120
[  285.836339]  3503
[  285.838145]  ? warn_alloc+0x120/0x120
[  285.841919]  3503
[  285.843976]  ? ktime_get+0x2e1/0x440
[  285.849806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.853498] Node 0 
[  285.859028]  ? check_preemption_disabled+0x48/0x200
[  285.859063] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  285.861272]  ? kasan_check_read+0x11/0x20
[  285.866254] lowmem_reserve[]:
[  285.894798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.898915]  0
[  285.902018]  ? should_fail+0x22d/0xd01
[  285.907525]  0
[  285.909320]  ? rcu_bh_qs+0xc0/0xc0
[  285.913178]  0
[  285.914976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.918488]  0
[  285.920287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.927163]  ? should_fail+0x22d/0xd01
[  285.932675] Node 0 DMA: 
[  285.936555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.936570]  ? should_fail+0x22d/0xd01
[  285.939234] 1*4kB 
[  285.944326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.948185] (U) 
[  285.950330]  ? mark_held_locks+0x130/0x130
[  285.955407] 0*8kB 
[  285.957390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.961596] 0*16kB 
[  285.963739]  ? mark_held_locks+0x130/0x130
[  285.969248] 1*32kB 
[  285.971484]  ? rcu_irq_exit+0xce/0x100
[  285.975686] (U) 
[  285.977919]  ? irq_exit+0xbd/0x1c0
[  285.981780] 2*64kB 
[  285.983753]  ? mark_held_locks+0x130/0x130
[  285.987264] (U) 
[  285.989494]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.993700] 1*128kB 
[  285.995670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.001526] (U) 
[  286.003844]  ? ret_from_intr+0xb/0x1e
[  286.009354] 1*256kB 
[  286.011333]  ? retint_kernel+0x2d/0x2d
[  286.015101] (U) 
[  286.017426]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.021285] 0*512kB 
[  286.023259]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.028152] 1*1024kB (U) 
[  286.030481]  ? trace_hardirqs_off+0x310/0x310
[  286.035208] 1*2048kB 
[  286.037963]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.042426] (M) 
[  286.044840]  __alloc_pages_nodemask+0xa80/0xde0
[  286.049906] 3*4096kB 
[  286.051889]  ? should_fail+0x22d/0xd01
[  286.056531] (M) 
[  286.058938]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.062795] = 15908kB
[  286.064773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.069754] Node 0 
[  286.072164]  ? lock_downgrade+0x900/0x900
[  286.076805] DMA32: 
[  286.079036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.083183] 3*4kB 
[  286.085420]  cache_grow_begin+0x91/0x8c0
[  286.090927] (UM) 
[  286.093078]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.097107] 2*8kB 
[  286.099166]  fallback_alloc+0x203/0x2e0
[  286.103544] (UM) 
[  286.105691]  ____cache_alloc_node+0x1c7/0x1e0
[  286.109642] 2*16kB 
[  286.111706]  kmem_cache_alloc_node+0xe3/0x730
[  286.116170] (M) 
[  286.118400]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.122870] 2*32kB 
[  286.124843]  __alloc_skb+0x119/0x770
[  286.129047] (M) 
[  286.131287]  ? skb_scrub_packet+0x490/0x490
[  286.134974] 4*64kB 
[  286.136957]  ? lock_downgrade+0x900/0x900
[  286.141248] (M) 
[  286.143482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.147600] 3*128kB 
[  286.149574]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.155078] (M) 
[  286.157435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.162858] 4*256kB 
[  286.164830]  ? addrconf_rs_timer+0x690/0x690
[  286.170252] (UM) 
[  286.172569]  ndisc_alloc_skb+0x144/0x340
[  286.176948] 3*512kB 
[  286.179000]  ndisc_send_rs+0x331/0x6e0
[  286.183037] (M) 
[  286.185352]  addrconf_rs_timer+0x314/0x690
[  286.189236] 3*1024kB 
[  286.191205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.195414] (UM) 
[  286.197820]  call_timer_fn+0x272/0x920
[  286.202025] 3*2048kB 
[  286.204111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.207966] (M) 3*4096kB 
[  286.210389]  ? process_timeout+0x40/0x40
[  286.214598] (M) 
[  286.217353]  ? trace_hardirqs_off+0xb8/0x310
[  286.221394] = 24828kB
[  286.223391]  ? kasan_check_read+0x11/0x20
[  286.227770] Node 0 
[  286.230190]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.234310] Normal: 
[  286.236541]  ? trace_hardirqs_on+0x310/0x310
[  286.240920] 1555*4kB 
[  286.243240]  ? __run_timers+0x7da/0xc70
[  286.247620] (UMEH) 
[  286.250025]  ? lock_downgrade+0x900/0x900
[  286.253964] 298*8kB (ME) 
[  286.256206]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.260325] 96*16kB (ME) 
[  286.263096]  ? trace_hardirqs_on+0xbd/0x310
[  286.268175] 43*32kB 
[  286.270935]  ? kasan_check_read+0x11/0x20
[  286.275223] (UME) 
[  286.277542]  ? __run_timers+0x7da/0xc70
[  286.281684] 31*64kB 
[  286.283827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.287771] (UM) 
[  286.290093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.295517] 0*128kB 
[  286.297575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.303084] 1*256kB 
[  286.305400]  __run_timers+0x7e5/0xc70
[  286.309604] (U) 
[  286.311944]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  286.315714] 0*512kB 
[  286.317685]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.323020] 0*1024kB 
[  286.325340]  ? timerqueue_add+0x207/0x2b0
[  286.330331] 0*2048kB 
[  286.332729]  ? enqueue_hrtimer+0x1a5/0x560
[  286.336849] 0*4096kB 
[  286.339257]  ? lock_release+0x970/0x970
[  286.343463] = 13756kB
[  286.345862]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  286.349815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.352216]  ? kasan_check_write+0x14/0x20
[  286.357387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.366225]  ? pvclock_read_flags+0x160/0x160
[  286.370434] 3632 total pagecache pages
[  286.379000]  ? lock_downgrade+0x900/0x900
[  286.383466] 0 pages in swap cache
[  286.387347]  ? trace_hardirqs_on+0xbd/0x310
[  286.391469] Swap cache stats: add 0, delete 0, find 0/0
[  286.394913]  ? kvm_sched_clock_read+0x9/0x20
[  286.399209] Free swap  = 0kB
[  286.404564]  ? irq_exit+0x17f/0x1c0
[  286.408938] Total swap = 0kB
[  286.408945] 1965979 pages RAM
[  286.411959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.415561] 0 pages HighMem/MovableOnly
[  286.418588]  ? check_preemption_disabled+0x48/0x200
[  286.421666] 342307 pages reserved
[  286.427197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.431147] 0 pages cma reserved
[  286.436176]  run_timer_softirq+0x52/0xb0
[  286.439671] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.445138]  ? __this_cpu_preempt_check+0x1c/0x1f
[  286.448539] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.452526]  __do_softirq+0x30b/0xad8
[  286.459018] ksoftirqd/0 cpuset=
[  286.463859]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  286.474142] /
[  286.477935]  ? pvclock_read_flags+0x160/0x160
[  286.481189]  mems_allowed=0
[  286.486278]  ? lapic_next_event+0x5a/0x90
[  286.499540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.505109]  ? clockevents_program_event+0x140/0x370
[  286.510221]  ? kvm_clock_read+0x18/0x30
[  286.514209]  ? kvm_sched_clock_read+0x9/0x20
[  286.518617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.524157]  ? check_preemption_disabled+0x48/0x200
[  286.529214]  irq_exit+0x17f/0x1c0
[  286.532671]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.537510]  ? smp_reschedule_interrupt+0x109/0x650
[  286.542524]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.548409]  ? interrupt_entry+0xb5/0xf0
[  286.552473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.557485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.562502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.567347]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.572404]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.577419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.582957]  ? check_preemption_disabled+0x48/0x200
[  286.587971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.593542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.598396]  apic_timer_interrupt+0xf/0x20
[  286.602622]  </IRQ>
[  286.604862] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  286.609794] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  286.628693] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  286.636398] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  286.643681] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  286.650960] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  286.658242] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  286.665507] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  286.672808]  ? trace_hardirqs_on+0xb4/0x310
[  286.677143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.682685]  skb_clone+0x1bb/0x500
[  286.686226]  ? finish_task_switch+0x2f5/0x900
[  286.690722]  ? skb_split+0x11e0/0x11e0
[  286.694622]  ? preempt_notifier_register+0x200/0x200
[  286.699726]  ? __switch_to_asm+0x34/0x70
[  286.703784]  ? __switch_to_asm+0x34/0x70
[  286.707841]  ? __switch_to_asm+0x40/0x70
[  286.711899]  ? __switch_to_asm+0x34/0x70
[  286.715956]  ? __switch_to_asm+0x40/0x70
[  286.720014]  ? __switch_to_asm+0x34/0x70
[  286.724099]  ? __switch_to_asm+0x40/0x70
[  286.728175]  ? __switch_to_asm+0x34/0x70
[  286.732232]  ? __switch_to_asm+0x34/0x70
[  286.736292]  ? __switch_to_asm+0x40/0x70
[  286.740349]  ? __switch_to_asm+0x34/0x70
[  286.744430]  bpf_clone_redirect+0xb9/0x490
[  286.748665]  ? __schedule+0x874/0x1ed0
[  286.752568]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  286.757588]  ? __sched_text_start+0x8/0x8
[  286.761737]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.766495]  ? retint_kernel+0x2d/0x2d
[  286.770398]  ? lock_acquire+0x1ed/0x520
[  286.774385]  ? bpf_test_run+0x3cb/0x780
[  286.778388]  ? lock_release+0x970/0x970
[  286.782372]  ? preempt_schedule+0x4d/0x60
[  286.786523]  ? preempt_schedule_common+0x1f/0xd0
[  286.791277]  ? preempt_schedule+0x4d/0x60
[  286.795438]  ? ___preempt_schedule+0x16/0x18
[  286.799852]  ? bpf_test_run+0x25d/0x780
[  286.803830]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.808260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.813796]  ? bpf_test_init.isra.9+0x70/0x100
[  286.818389]  ? bpf_prog_test_run_skb+0x634/0xb40
[  286.823152]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.828010]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.833546]  ? fput+0x130/0x1a0
[  286.836824]  ? __bpf_prog_get+0x9b/0x290
[  286.840884]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.845736]  ? bpf_prog_test_run+0x130/0x1a0
[  286.850156]  ? __x64_sys_bpf+0x3d8/0x510
[  286.854217]  ? bpf_prog_get+0x20/0x20
[  286.858057]  ? do_syscall_64+0x1b9/0x820
[  286.862158]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.867525]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.872468]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.877485]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.882500]  ? recalc_sigpending_tsk+0x180/0x180
[  286.887255]  ? kasan_check_write+0x14/0x20
[  286.891491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.896341]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.901724] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  286.901792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.908578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.908582] Call Trace:
[  286.908603]  dump_stack+0x1c4/0x2b4
[  286.908619]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.915185] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.924472]  warn_alloc.cold.119+0xb7/0x1bd
[  286.927027] syz-executor4 cpuset=
[  286.930664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.935825] syz4
[  286.946302]  ? lock_downgrade+0x900/0x900
[  286.950599]  mems_allowed=0
[  286.954058]  ? trace_hardirqs_off+0xb8/0x310
[  286.972341]  ? trace_hardirqs_off+0xb8/0x310
[  286.976781]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.981645]  ? mark_held_locks+0x130/0x130
[  286.985881]  ? warn_alloc+0x120/0x120
[  286.989683]  ? warn_alloc+0x120/0x120
[  286.993484]  ? cpuacct_charge+0x265/0x440
[  286.997644]  ? warn_alloc+0x120/0x120
[  287.001463]  ? mark_held_locks+0x130/0x130
[  287.005730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.011281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.016816]  ? should_fail+0x22d/0xd01
[  287.020705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.025805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.031353]  ? should_fail+0x22d/0xd01
[  287.035247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.040349]  ? should_fail+0x22d/0xd01
[  287.044249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.049361]  ? mark_held_locks+0x130/0x130
[  287.053607]  ? mark_held_locks+0x130/0x130
[  287.057858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.063408]  ? trace_hardirqs_off+0xb8/0x310
[  287.067846]  ? kasan_check_read+0x11/0x20
[  287.071993]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.076431]  ? trace_hardirqs_on+0x310/0x310
[  287.080839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.086385]  ? wq_watchdog_touch+0x9c/0xfe
[  287.090629]  ? io_serial_in+0x11/0x90
[  287.094451]  ? retint_kernel+0x2d/0x2d
[  287.098351]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.103321]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.108075]  ? trace_hardirqs_off+0x310/0x310
[  287.112572]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.117680]  __alloc_pages_nodemask+0xa80/0xde0
[  287.122349]  ? should_fail+0x22d/0xd01
[  287.126265]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  287.131297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.135968]  ? lock_downgrade+0x900/0x900
[  287.140122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.145662]  cache_grow_begin+0x91/0x8c0
[  287.149726]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.154153]  fallback_alloc+0x203/0x2e0
[  287.158144]  ____cache_alloc_node+0x1c7/0x1e0
[  287.162647]  kmem_cache_alloc_node+0xe3/0x730
[  287.167184]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.171424]  __alloc_skb+0x119/0x770
[  287.175156]  ? skb_scrub_packet+0x490/0x490
[  287.179481]  ? lock_downgrade+0x900/0x900
[  287.183636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.189172]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.194628]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.200084]  ? addrconf_rs_timer+0x690/0x690
[  287.204501]  ndisc_alloc_skb+0x144/0x340
[  287.208565]  ndisc_send_rs+0x331/0x6e0
[  287.212458]  addrconf_rs_timer+0x314/0x690
[  287.216694]  ? lock_release+0x970/0x970
[  287.220668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.224914]  call_timer_fn+0x272/0x920
[  287.228796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.233029]  ? process_timeout+0x40/0x40
[  287.237089]  ? kasan_check_read+0x11/0x20
[  287.241239]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.245654]  ? trace_hardirqs_on+0x310/0x310
[  287.250107]  ? __run_timers+0x7da/0xc70
[  287.254079]  ? lock_downgrade+0x900/0x900
[  287.258234]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.263336]  ? trace_hardirqs_on+0xbd/0x310
[  287.267679]  ? kasan_check_read+0x11/0x20
[  287.271831]  ? __run_timers+0x7da/0xc70
[  287.275819]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.281299]  ? kasan_check_write+0x14/0x20
[  287.285536]  ? do_raw_spin_lock+0xc1/0x200
[  287.289790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.294035]  __run_timers+0x7e5/0xc70
[  287.297859]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.303221]  ? compat_start_thread+0x80/0x80
[  287.307630]  ? dequeue_entity+0x1770/0x1770
[  287.311955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.317520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.323065]  ? _raw_spin_unlock_irq+0x60/0x80
[  287.327566]  ? finish_task_switch+0x1f5/0x900
[  287.332061]  ? finish_task_switch+0x1b5/0x900
[  287.336562]  ? __switch_to_asm+0x34/0x70
[  287.340632]  ? preempt_notifier_register+0x200/0x200
[  287.345740]  ? __switch_to_asm+0x34/0x70
[  287.349826]  ? __switch_to_asm+0x40/0x70
[  287.353886]  ? __switch_to_asm+0x34/0x70
[  287.357943]  ? __switch_to_asm+0x40/0x70
[  287.361999]  ? __switch_to_asm+0x34/0x70
[  287.366060]  ? __switch_to_asm+0x40/0x70
[  287.370125]  ? __switch_to_asm+0x40/0x70
[  287.374207]  ? pvclock_read_flags+0x160/0x160
[  287.378701]  ? __schedule+0x874/0x1ed0
[  287.382590]  ? run_rebalance_domains+0x38d/0x500
[  287.387353]  ? trace_hardirqs_on+0xbd/0x310
[  287.391681]  ? kvm_sched_clock_read+0x9/0x20
[  287.396086]  ? run_ksoftirqd+0x94/0x100
[  287.400067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.405630]  ? check_preemption_disabled+0x48/0x200
[  287.410653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.416194]  run_timer_softirq+0x52/0xb0
[  287.420257]  ? __this_cpu_preempt_check+0x1c/0x1f
[  287.425099]  __do_softirq+0x30b/0xad8
[  287.428904]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.434007]  ? trace_hardirqs_off+0xb8/0x310
[  287.438663]  ? schedule+0x108/0x460
[  287.442287]  ? __schedule+0x1ed0/0x1ed0
[  287.446270]  ? run_ksoftirqd+0x40/0x100
[  287.450248]  ? trace_hardirqs_off+0xb8/0x310
[  287.454660]  ? ___might_sleep+0x1ed/0x300
[  287.458805]  ? smpboot_thread_fn+0x68b/0xa00
[  287.463213]  ? trace_hardirqs_on+0x310/0x310
[  287.467657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.473194]  ? check_preemption_disabled+0x48/0x200
[  287.478208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.483750]  ? takeover_tasklets+0xa90/0xa90
[  287.488164]  run_ksoftirqd+0x94/0x100
[  287.491968]  smpboot_thread_fn+0x68b/0xa00
[  287.496202]  ? sort_range+0x30/0x30
[  287.499851]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.504954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.510491]  ? __kthread_parkme+0xfb/0x1a0
[  287.514758]  kthread+0x35a/0x420
[  287.518140]  ? sort_range+0x30/0x30
[  287.521769]  ? kthread_bind+0x40/0x40
[  287.525576]  ret_from_fork+0x3a/0x50
[  287.529297] warn_alloc_show_mem: 1 callbacks suppressed
[  287.529311] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  287.529312] Mem-Info:
[  287.529344] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  287.529344]  active_file:15 inactive_file:15 isolated_file:0
[  287.529344]  unevictable:0 dirty:0 writeback:0 unstable:0
[  287.529344]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  287.529344]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  287.529344]  free:13623 free_pcp:480 free_cma:0
[  287.534688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.541965] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.544361] Call Trace:
[  287.577592] Node 0 
[  287.586944]  <IRQ>
[  287.614734] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  287.617297]  dump_stack+0x1c4/0x2b4
[  287.619497] lowmem_reserve[]: 0
[  287.621669]  ? dump_stack_print_info.cold.2+0x52/0x52
[  287.647150]  2819
[  287.650788]  warn_alloc.cold.119+0xb7/0x1bd
[  287.654024]  6323
[  287.659239]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.661271]  6323
[  287.665602]  ? lock_downgrade+0x900/0x900
[  287.672484]  ? trace_hardirqs_off+0xb8/0x310
[  287.674520] Node 0 
[  287.678661]  ? trace_hardirqs_off+0xb8/0x310
[  287.683065] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  287.685273]  __alloc_pages_slowpath+0x2667/0x2d80
[  287.689654] lowmem_reserve[]:
[  287.716570]  ? warn_alloc+0x120/0x120
[  287.721386]  0
[  287.724493]  ? warn_alloc+0x120/0x120
[  287.728258]  0
[  287.730060]  ? warn_alloc+0x120/0x120
[  287.733827]  3503
[  287.735626]  ? mark_held_locks+0x130/0x130
[  287.739405]  3503
[  287.741471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.747747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.753262] Node 0 
[  287.758808]  ? should_fail+0x22d/0xd01
[  287.758843] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  287.761051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.764912] lowmem_reserve[]:
[  287.793551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.798629]  0
[  287.801737]  ? should_fail+0x22d/0xd01
[  287.807242]  0
[  287.809042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.812902]  0
[  287.814720]  ? should_fail+0x22d/0xd01
[  287.819798]  0
[  287.821599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.827277]  ? mark_held_locks+0x130/0x130
[  287.832351] Node 0 DMA: 
[  287.836601]  ? mark_held_locks+0x130/0x130
[  287.836619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.839284] 1*4kB 
[  287.843516]  ? trace_hardirqs_off+0xb8/0x310
[  287.849028] (U) 
[  287.851176]  ? kasan_check_read+0x11/0x20
[  287.855555] 0*8kB 
[  287.857525]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.861647] 0*16kB 
[  287.863821]  ? trace_hardirqs_on+0x310/0x310
[  287.868203] 1*32kB 
[  287.870456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.874830] (U) 
[  287.877059]  ? wq_watchdog_touch+0x9c/0xfe
[  287.882566] 2*64kB (U) 
[  287.884545]  ? io_serial_in+0x11/0x90
[  287.888750] 1*128kB 
[  287.891344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.895113] (U) 
[  287.897441]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.902947] 1*256kB 
[  287.904919]  __alloc_pages_nodemask+0xa80/0xde0
[  287.909992] (U) 
[  287.912325]  ? should_fail+0x22d/0xd01
[  287.916965] 0*512kB 
[  287.918932]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  287.922794] 1*1024kB 
[  287.925129]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.930103] (U) 
[  287.932544]  ? lock_downgrade+0x900/0x900
[  287.937198] 1*2048kB 
[  287.939169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.943290] (M) 
[  287.945728]  cache_grow_begin+0x91/0x8c0
[  287.951234] 3*4096kB 
[  287.953201]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.957242] (M) 
[  287.959649]  fallback_alloc+0x203/0x2e0
[  287.964029] = 15908kB
[  287.965999]  ____cache_alloc_node+0x1c7/0x1e0
[  287.969945] Node 0 
[  287.972351]  kmem_cache_alloc_node+0xe3/0x730
[  287.976825] DMA32: 
[  287.979073]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.983555] 3*4kB 
[  287.985786]  __alloc_skb+0x119/0x770
[  287.989989] (UM) 
[  287.992142]  ? skb_scrub_packet+0x490/0x490
[  287.995824] 2*8kB 
[  287.997881]  ? lock_downgrade+0x900/0x900
[  288.002170] (UM) 
[  288.004318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.008437] 2*16kB 
[  288.010494]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.015997] (M) 
[  288.018227]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.023655] 2*32kB 
[  288.025652]  ? addrconf_rs_timer+0x690/0x690
[  288.031080] (M) 
[  288.033323]  ndisc_alloc_skb+0x144/0x340
[  288.037696] 4*64kB (M) 
[  288.039682]  ndisc_send_rs+0x331/0x6e0
[  288.043724] 3*128kB 
[  288.046316]  addrconf_rs_timer+0x314/0x690
[  288.050172] (M) 
[  288.052492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.056702] 4*256kB 
[  288.058693]  call_timer_fn+0x272/0x920
[  288.062892] (UM) 
[  288.065207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.069066] 3*512kB 
[  288.071131]  ? process_timeout+0x40/0x40
[  288.075331] (M) 
[  288.077658]  ? trace_hardirqs_off+0xb8/0x310
[  288.077692]  ? kasan_check_read+0x11/0x20
[  288.081727] 3*1024kB 
[  288.083706]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.088083] (UM) 
[  288.092224]  ? trace_hardirqs_on+0x310/0x310
[  288.094607] 3*2048kB 
[  288.099027]  ? __run_timers+0x7da/0xc70
[  288.101066] (M) 
[  288.105468]  ? lock_downgrade+0x900/0x900
[  288.107850] 3*4096kB 
[  288.111820]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.113766] (M) 
[  288.117926]  ? trace_hardirqs_on+0xbd/0x310
[  288.120313] = 24828kB
[  288.125423]  ? kasan_check_read+0x11/0x20
[  288.127403] Node 0 
[  288.131721]  ? __run_timers+0x7da/0xc70
[  288.134116] Normal: 
[  288.138261]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.140471] 1555*4kB 
[  288.144459]  ? kasan_check_write+0x14/0x20
[  288.146751] (UMEH) 
[  288.152197]  ? do_raw_spin_lock+0xc1/0x200
[  288.154585] 298*8kB 
[  288.158816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.161031] (ME) 
[  288.165264]  __run_timers+0x7e5/0xc70
[  288.167573] 96*16kB 
[  288.171806]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  288.173837] (ME) 
[  288.177635]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.179953] 43*32kB 
[  288.186178]  ? timerqueue_add+0x207/0x2b0
[  288.188218] (UME) 
[  288.193226]  ? enqueue_hrtimer+0x1a5/0x560
[  288.195528] 31*64kB 
[  288.199673]  ? lock_release+0x970/0x970
[  288.201798] (UM) 
[  288.206022]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.208329] 0*128kB 
[  288.212323]  ? kasan_check_write+0x14/0x20
[  288.214357] 1*256kB 
[  288.219546]  ? pvclock_read_flags+0x160/0x160
[  288.221840] (U) 
[  288.226071]  ? lock_downgrade+0x900/0x900
[  288.228375] 0*512kB 
[  288.232867]  ? trace_hardirqs_on+0xbd/0x310
[  288.234839] 0*1024kB 
[  288.238982]  ? kvm_sched_clock_read+0x9/0x20
[  288.241312] 0*2048kB 
[  288.245628]  ? irq_exit+0x17f/0x1c0
[  288.248021] 0*4096kB 
[  288.252420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.254799] = 13756kB
[  288.258423]  ? check_preemption_disabled+0x48/0x200
[  288.260809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  288.266331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.268725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  288.273731]  run_timer_softirq+0x52/0xb0
[  288.282536] 3632 total pagecache pages
[  288.288070]  ? __this_cpu_preempt_check+0x1c/0x1f
[  288.296617] 0 pages in swap cache
[  288.300674]  __do_softirq+0x30b/0xad8
[  288.304536] Swap cache stats: add 0, delete 0, find 0/0
[  288.309384]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  288.312808] Free swap  = 0kB
[  288.316619]  ? pvclock_read_flags+0x160/0x160
[  288.321973] Total swap = 0kB
[  288.327066]  ? lapic_next_event+0x5a/0x90
[  288.330057] 1965979 pages RAM
[  288.334547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.337534] 0 pages HighMem/MovableOnly
[  288.341676]  ? clockevents_program_event+0x140/0x370
[  288.344753] 342307 pages reserved
[  288.350301]  ? kvm_clock_read+0x18/0x30
[  288.354263] 0 pages cma reserved
[  288.359373]  ? kvm_sched_clock_read+0x9/0x20
[  288.362878] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.366775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.366796]  ? check_preemption_disabled+0x48/0x200
[  288.370193] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.374543]  irq_exit+0x17f/0x1c0
[  288.381007] ksoftirqd/0 cpuset=
[  288.386537]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.391534] /
[  288.401857]  ? smp_reschedule_interrupt+0x109/0x650
[  288.405298]  mems_allowed=0
[  288.408581]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.428923]  ? interrupt_entry+0xb5/0xf0
[  288.432987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.438021]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.443068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.447908]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.452923]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.457944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.463485]  ? check_preemption_disabled+0x48/0x200
[  288.468500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.474061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.478918]  apic_timer_interrupt+0xf/0x20
[  288.483148]  </IRQ>
[  288.485393] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  288.490326] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  288.509228] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  288.516938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  288.524220] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  288.531507] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  288.538770] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  288.546038] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  288.553342]  ? trace_hardirqs_on+0xb4/0x310
[  288.557701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.563264]  skb_clone+0x1bb/0x500
[  288.567445]  ? finish_task_switch+0x2f5/0x900
[  288.571940]  ? skb_split+0x11e0/0x11e0
[  288.575831]  ? preempt_notifier_register+0x200/0x200
[  288.580933]  ? __switch_to_asm+0x34/0x70
[  288.585005]  ? __switch_to_asm+0x34/0x70
[  288.589062]  ? __switch_to_asm+0x40/0x70
[  288.593135]  ? __switch_to_asm+0x34/0x70
[  288.597210]  ? __switch_to_asm+0x40/0x70
[  288.601296]  ? __switch_to_asm+0x34/0x70
[  288.605358]  ? __switch_to_asm+0x40/0x70
[  288.609423]  ? __switch_to_asm+0x34/0x70
[  288.613483]  ? __switch_to_asm+0x34/0x70
[  288.617540]  ? __switch_to_asm+0x40/0x70
[  288.621597]  ? __switch_to_asm+0x34/0x70
[  288.625670]  bpf_clone_redirect+0xb9/0x490
[  288.629920]  ? __schedule+0x874/0x1ed0
[  288.633808]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  288.638829]  ? __sched_text_start+0x8/0x8
[  288.642976]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.647738]  ? retint_kernel+0x2d/0x2d
[  288.651633]  ? lock_acquire+0x1ed/0x520
[  288.655610]  ? bpf_test_run+0x3cb/0x780
[  288.659587]  ? lock_release+0x970/0x970
[  288.663557]  ? preempt_schedule+0x4d/0x60
[  288.667702]  ? preempt_schedule_common+0x1f/0xd0
[  288.672460]  ? preempt_schedule+0x4d/0x60
[  288.676625]  ? ___preempt_schedule+0x16/0x18
[  288.681044]  ? bpf_test_run+0x25d/0x780
[  288.685060]  ? netlink_diag_dump+0x2a0/0x2a0
[  288.689470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.695004]  ? bpf_test_init.isra.9+0x70/0x100
[  288.699591]  ? bpf_prog_test_run_skb+0x634/0xb40
[  288.704347]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  288.709194]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  288.714728]  ? fput+0x130/0x1a0
[  288.718008]  ? __bpf_prog_get+0x9b/0x290
[  288.722066]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  288.726913]  ? bpf_prog_test_run+0x130/0x1a0
[  288.731323]  ? __x64_sys_bpf+0x3d8/0x510
[  288.735389]  ? bpf_prog_get+0x20/0x20
[  288.739205]  ? do_syscall_64+0x1b9/0x820
[  288.743279]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  288.748657]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.753592]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.758608]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  288.763624]  ? recalc_sigpending_tsk+0x180/0x180
[  288.768388]  ? kasan_check_write+0x14/0x20
[  288.772625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.777492]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  288.782865] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  288.782931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.789704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.789709] Call Trace:
[  288.789743]  dump_stack+0x1c4/0x2b4
[  288.789760]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.796307] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.805588]  warn_alloc.cold.119+0xb7/0x1bd
[  288.808143] syz-executor4 cpuset=
[  288.811760]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.816925] syz4
[  288.827410]  ? lock_downgrade+0x900/0x900
[  288.831705]  mems_allowed=0
[  288.835146]  ? trace_hardirqs_off+0xb8/0x310
[  288.835162]  ? trace_hardirqs_off+0xb8/0x310
[  288.857808]  __alloc_pages_slowpath+0x2667/0x2d80
[  288.862724]  ? mark_held_locks+0x130/0x130
[  288.866958]  ? warn_alloc+0x120/0x120
[  288.870758]  ? warn_alloc+0x120/0x120
[  288.874556]  ? cpuacct_charge+0x265/0x440
[  288.878701]  ? warn_alloc+0x120/0x120
[  288.882501]  ? mark_held_locks+0x130/0x130
[  288.886738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.892273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.897824]  ? should_fail+0x22d/0xd01
[  288.901712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.906814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.912362]  ? should_fail+0x22d/0xd01
[  288.916301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.921405]  ? should_fail+0x22d/0xd01
[  288.925299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.930405]  ? mark_held_locks+0x130/0x130
[  288.934658]  ? mark_held_locks+0x130/0x130
[  288.938890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.944432]  ? trace_hardirqs_off+0xb8/0x310
[  288.948868]  ? kasan_check_read+0x11/0x20
[  288.953017]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.957428]  ? trace_hardirqs_on+0x310/0x310
[  288.961835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.967379]  ? wq_watchdog_touch+0x9c/0xfe
[  288.971614]  ? io_serial_in+0x11/0x90
[  288.975450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.980997]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.986107]  __alloc_pages_nodemask+0xa80/0xde0
[  288.990777]  ? should_fail+0x22d/0xd01
[  288.994679]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.999709]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.004387]  ? lock_downgrade+0x900/0x900
[  289.008537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.014071]  cache_grow_begin+0x91/0x8c0
[  289.018131]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.022588]  fallback_alloc+0x203/0x2e0
[  289.026564]  ____cache_alloc_node+0x1c7/0x1e0
[  289.031060]  kmem_cache_alloc_node+0xe3/0x730
[  289.035577]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.039815]  __alloc_skb+0x119/0x770
[  289.043530]  ? skb_scrub_packet+0x490/0x490
[  289.047880]  ? lock_downgrade+0x900/0x900
[  289.052062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.057631]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.063080]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.068528]  ? addrconf_rs_timer+0x690/0x690
[  289.072946]  ndisc_alloc_skb+0x144/0x340
[  289.077007]  ndisc_send_rs+0x331/0x6e0
[  289.080910]  addrconf_rs_timer+0x314/0x690
[  289.085140]  ? lock_release+0x970/0x970
[  289.089112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.093355]  call_timer_fn+0x272/0x920
[  289.097264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.101498]  ? process_timeout+0x40/0x40
[  289.105559]  ? kasan_check_read+0x11/0x20
[  289.109707]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.114115]  ? trace_hardirqs_on+0x310/0x310
[  289.118529]  ? __run_timers+0x7da/0xc70
[  289.122519]  ? lock_downgrade+0x900/0x900
[  289.126670]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.131770]  ? trace_hardirqs_on+0xbd/0x310
[  289.136111]  ? kasan_check_read+0x11/0x20
[  289.140273]  ? __run_timers+0x7da/0xc70
[  289.144250]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.149718]  ? kasan_check_write+0x14/0x20
[  289.153950]  ? do_raw_spin_lock+0xc1/0x200
[  289.158184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.162444]  __run_timers+0x7e5/0xc70
[  289.166286]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.171651]  ? compat_start_thread+0x80/0x80
[  289.176067]  ? dequeue_entity+0x1770/0x1770
[  289.180395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.185929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.191473]  ? _raw_spin_unlock_irq+0x60/0x80
[  289.195980]  ? finish_task_switch+0x1f5/0x900
[  289.200471]  ? finish_task_switch+0x1b5/0x900
[  289.204967]  ? __switch_to_asm+0x34/0x70
[  289.209030]  ? preempt_notifier_register+0x200/0x200
[  289.214150]  ? __switch_to_asm+0x34/0x70
[  289.218205]  ? __switch_to_asm+0x40/0x70
[  289.222259]  ? __switch_to_asm+0x34/0x70
[  289.226330]  ? __switch_to_asm+0x40/0x70
[  289.230398]  ? __switch_to_asm+0x34/0x70
[  289.234454]  ? __switch_to_asm+0x40/0x70
[  289.238523]  ? __switch_to_asm+0x40/0x70
[  289.242592]  ? pvclock_read_flags+0x160/0x160
[  289.247089]  ? __schedule+0x874/0x1ed0
[  289.250976]  ? run_rebalance_domains+0x38d/0x500
[  289.255741]  ? trace_hardirqs_on+0xbd/0x310
[  289.260062]  ? kvm_sched_clock_read+0x9/0x20
[  289.264469]  ? run_ksoftirqd+0x94/0x100
[  289.268460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.274000]  ? check_preemption_disabled+0x48/0x200
[  289.279012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.284554]  run_timer_softirq+0x52/0xb0
[  289.288619]  ? __this_cpu_preempt_check+0x1c/0x1f
[  289.294247]  __do_softirq+0x30b/0xad8
[  289.298054]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  289.303159]  ? trace_hardirqs_off+0xb8/0x310
[  289.307601]  ? schedule+0x108/0x460
[  289.311258]  ? __schedule+0x1ed0/0x1ed0
[  289.315248]  ? run_ksoftirqd+0x40/0x100
[  289.319235]  ? trace_hardirqs_off+0xb8/0x310
[  289.323652]  ? ___might_sleep+0x1ed/0x300
[  289.327798]  ? smpboot_thread_fn+0x68b/0xa00
[  289.332202]  ? trace_hardirqs_on+0x310/0x310
[  289.336610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.342183]  ? check_preemption_disabled+0x48/0x200
[  289.347209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.352747]  ? takeover_tasklets+0xa90/0xa90
[  289.357155]  run_ksoftirqd+0x94/0x100
[  289.360971]  smpboot_thread_fn+0x68b/0xa00
[  289.365207]  ? sort_range+0x30/0x30
[  289.368839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.373945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.379480]  ? __kthread_parkme+0xfb/0x1a0
[  289.383713]  kthread+0x35a/0x420
[  289.387075]  ? sort_range+0x30/0x30
[  289.390695]  ? kthread_bind+0x40/0x40
[  289.394499]  ret_from_fork+0x3a/0x50
[  289.398219] warn_alloc_show_mem: 1 callbacks suppressed
[  289.398232] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  289.398234] Mem-Info:
[  289.398267] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  289.398267]  active_file:15 inactive_file:15 isolated_file:0
[  289.398267]  unevictable:0 dirty:0 writeback:0 unstable:0
[  289.398267]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  289.398267]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  289.398267]  free:13623 free_pcp:480 free_cma:0
[  289.403596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.403605] Call Trace:
[  289.410886] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  289.413282]  <IRQ>
[  289.446549] Node 0 
[  289.455917]  dump_stack+0x1c4/0x2b4
[  289.458493] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  289.486268]  ? dump_stack_print_info.cold.2+0x52/0x52
[  289.488403] lowmem_reserve[]:
[  289.490636]  warn_alloc.cold.119+0xb7/0x1bd
[  289.494237]  0
[  289.519744]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.524917]  2819
[  289.528065]  ? lock_downgrade+0x900/0x900
[  289.532379]  6323
[  289.534182]  ? trace_hardirqs_off+0xb8/0x310
[  289.538990]  6323
[  289.541047]  ? trace_hardirqs_off+0xb8/0x310
[  289.547223]  __alloc_pages_slowpath+0x2667/0x2d80
[  289.551609] Node 0 
[  289.553686]  ? warn_alloc+0x120/0x120
[  289.558111] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  289.562921]  ? trace_hardirqs_on+0x310/0x310
[  289.565134] lowmem_reserve[]:
[  289.569450]  ? warn_alloc+0x120/0x120
[  289.596324]  0
[  289.600746]  ? warn_alloc+0x120/0x120
[  289.603832]  0
[  289.607645]  ? ktime_get+0x2e1/0x440
[  289.609421]  3503
[  289.613228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.615010]  3503
[  289.618720]  ? check_preemption_disabled+0x48/0x200
[  289.626286]  ? kasan_check_read+0x11/0x20
[  289.628318] Node 0 
[  289.633328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.637472] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  289.639697]  ? should_fail+0x22d/0xd01
[  289.645203] lowmem_reserve[]:
[  289.673754]  ? rcu_bh_qs+0xc0/0xc0
[  289.677611]  0
[  289.680712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.684219]  0
[  289.686015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.691087]  0
[  289.692887]  ? should_fail+0x22d/0xd01
[  289.698399]  0
[  289.700194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.705848]  ? should_fail+0x22d/0xd01
[  289.710923] Node 0 
[  289.714805]  ? rcu_idle_enter+0x4b0/0x4b0
[  289.714814] DMA: 
[  289.717043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.721180] 1*4kB 
[  289.723255]  ? mark_held_locks+0x130/0x130
[  289.728328] (U) 
[  289.730473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.734678] 0*8kB 
[  289.736649]  ? mark_held_locks+0x130/0x130
[  289.742159] 0*16kB 
[  289.744305]  ? rcu_irq_exit+0xce/0x100
[  289.748510] 1*32kB 
[  289.750741]  ? irq_exit+0xbd/0x1c0
[  289.754600] (U) 
[  289.756860]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  289.760381] 2*64kB 
[  289.762385]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.767389] (U) 
[  289.769619]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.774004] 1*128kB 
[  289.775989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.781839] (U) 
[  289.784159]  ? ret_from_intr+0xb/0x1e
[  289.789668] 1*256kB 
[  289.791634]  ? retint_kernel+0x2d/0x2d
[  289.795409] (U) 
[  289.797727]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.801585] 0*512kB 
[  289.803554]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.808453] 1*1024kB 
[  289.810766]  ? trace_hardirqs_off+0x310/0x310
[  289.815492] (U) 
[  289.817897]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.822535] 1*2048kB 
[  289.824509]  __alloc_pages_nodemask+0xa80/0xde0
[  289.829575] (M) 
[  289.831982]  ? should_fail+0x22d/0xd01
[  289.836620] 3*4096kB 
[  289.838592]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  289.842452] (M) 
[  289.844868]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.849867] = 15908kB
[  289.851850]  ? lock_downgrade+0x900/0x900
[  289.856503] Node 0 
[  289.858937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.863054] DMA32: 
[  289.865286]  cache_grow_begin+0x91/0x8c0
[  289.870793] 3*4kB 
[  289.873042]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.877072] (UM) 
[  289.879219]  fallback_alloc+0x203/0x2e0
[  289.883599] 2*8kB 
[  289.885671]  ____cache_alloc_node+0x1c7/0x1e0
[  289.889613] (UM) 
[  289.891755]  kmem_cache_alloc_node+0xe3/0x730
[  289.896239] 2*16kB 
[  289.898301]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.902770] (M) 
[  289.905000]  __alloc_skb+0x119/0x770
[  289.909209] 2*32kB 
[  289.911176]  ? skb_scrub_packet+0x490/0x490
[  289.914862] (M) 
[  289.917110]  ? lock_downgrade+0x900/0x900
[  289.922012] 4*64kB 
[  289.923984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.928103] (M) 
[  289.930332]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.935855] 3*128kB 
[  289.937825]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.943249] (M) 
[  289.945569]  ? addrconf_rs_timer+0x690/0x690
[  289.950993] 4*256kB 
[  289.952964]  ndisc_alloc_skb+0x144/0x340
[  289.957341] (UM) 
[  289.959665]  ndisc_send_rs+0x331/0x6e0
[  289.963704] 3*512kB 
[  289.965757]  addrconf_rs_timer+0x314/0x690
[  289.969619] (M) 
[  289.971931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.976141] 3*1024kB 
[  289.978117]  call_timer_fn+0x272/0x920
[  289.982317] (UM) 
[  289.984732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.988594] 3*2048kB 
[  289.990651]  ? process_timeout+0x40/0x40
[  289.994854] (M) 
[  289.997276]  ? trace_hardirqs_off+0xb8/0x310
[  290.001309] 3*4096kB 
[  290.003277]  ? kasan_check_read+0x11/0x20
[  290.007653] (M) 
[  290.010060]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.014177] = 24828kB
[  290.016152]  ? trace_hardirqs_on+0x310/0x310
[  290.020532] Node 0 
[  290.022939]  ? __run_timers+0x7da/0xc70
[  290.027334] Normal: 
[  290.029564]  ? lock_downgrade+0x900/0x900
[  290.033507] 1555*4kB 
[  290.035827]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.039961] (UMEH) 
[  290.042376]  ? trace_hardirqs_on+0xbd/0x310
[  290.047455] 298*8kB 
[  290.049685]  ? kasan_check_read+0x11/0x20
[  290.053977] (ME) 
[  290.056328]  ? __run_timers+0x7da/0xc70
[  290.060450] 96*16kB 
[  290.062505]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.066465] (ME) 
[  290.068781]  ? kasan_check_write+0x14/0x20
[  290.074215] 43*32kB 
[  290.076274]  ? do_raw_spin_lock+0xc1/0x200
[  290.080484] (UME) 
[  290.082816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.087022] 31*64kB 
[  290.089168]  __run_timers+0x7e5/0xc70
[  290.093377] (UM) 
[  290.095717]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  290.099485] 0*128kB 
[  290.101541]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.106890] 1*256kB 
[  290.109205]  ? timerqueue_add+0x207/0x2b0
[  290.114189] (U) 
[  290.116510]  ? enqueue_hrtimer+0x1a5/0x560
[  290.120633] 0*512kB 
[  290.122613]  ? lock_release+0x970/0x970
[  290.126821] 0*1024kB 
[  290.129144]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.133091] 0*2048kB 
[  290.135501]  ? kasan_check_write+0x14/0x20
[  290.140660] 0*4096kB 
[  290.143067]  ? pvclock_read_flags+0x160/0x160
[  290.147302] = 13756kB
[  290.149705]  ? lock_downgrade+0x900/0x900
[  290.154177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.156625]  ? trace_hardirqs_on+0xbd/0x310
[  290.160766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.169602]  ? kvm_sched_clock_read+0x9/0x20
[  290.173896] 3632 total pagecache pages
[  290.182461]  ? irq_exit+0x17f/0x1c0
[  290.186839] 0 pages in swap cache
[  290.190723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.194323] Swap cache stats: add 0, delete 0, find 0/0
[  290.197766]  ? check_preemption_disabled+0x48/0x200
[  290.203274] Free swap  = 0kB
[  290.208635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.213649] Total swap = 0kB
[  290.216682]  run_timer_softirq+0x52/0xb0
[  290.222203] 1965979 pages RAM
[  290.225219]  ? __this_cpu_preempt_check+0x1c/0x1f
[  290.229250] 0 pages HighMem/MovableOnly
[  290.232357]  __do_softirq+0x30b/0xad8
[  290.237177] 342307 pages reserved
[  290.241150]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.244925] 0 pages cma reserved
[  290.248405]  ? pvclock_read_flags+0x160/0x160
[  290.253548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.256834]  ? lapic_next_event+0x5a/0x90
[  290.256850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.256869]  ? clockevents_program_event+0x140/0x370
[  290.261401] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.267836]  ? kvm_clock_read+0x18/0x30
[  290.271955] ksoftirqd/0 cpuset=
[  290.277486]  ? kvm_sched_clock_read+0x9/0x20
[  290.282559] /
[  290.292866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.296827]  mems_allowed=0
[  290.300110]  ? check_preemption_disabled+0x48/0x200
[  290.319634]  irq_exit+0x17f/0x1c0
[  290.323093]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.327950]  ? smp_reschedule_interrupt+0x109/0x650
[  290.332963]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.338852]  ? interrupt_entry+0xb5/0xf0
[  290.342918]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.347932]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.352947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.357791]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.362804]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.367822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.373384]  ? check_preemption_disabled+0x48/0x200
[  290.378418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.383959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.388818]  apic_timer_interrupt+0xf/0x20
[  290.393046]  </IRQ>
[  290.395286] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  290.400215] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  290.419137] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  290.426848] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  290.434120] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  290.441399] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  290.448710] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  290.456019] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  290.463329]  ? trace_hardirqs_on+0xb4/0x310
[  290.467677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.473241]  skb_clone+0x1bb/0x500
[  290.476802]  ? finish_task_switch+0x2f5/0x900
[  290.481328]  ? skb_split+0x11e0/0x11e0
[  290.485218]  ? preempt_notifier_register+0x200/0x200
[  290.490319]  ? __switch_to_asm+0x34/0x70
[  290.494389]  ? __switch_to_asm+0x34/0x70
[  290.498447]  ? __switch_to_asm+0x40/0x70
[  290.502504]  ? __switch_to_asm+0x34/0x70
[  290.506561]  ? __switch_to_asm+0x40/0x70
[  290.510618]  ? __switch_to_asm+0x34/0x70
[  290.514680]  ? __switch_to_asm+0x40/0x70
[  290.518740]  ? __switch_to_asm+0x34/0x70
[  290.522812]  ? __switch_to_asm+0x34/0x70
[  290.526887]  ? __switch_to_asm+0x40/0x70
[  290.530942]  ? __switch_to_asm+0x34/0x70
[  290.535019]  bpf_clone_redirect+0xb9/0x490
[  290.539255]  ? __schedule+0x874/0x1ed0
[  290.543150]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  290.548168]  ? __sched_text_start+0x8/0x8
[  290.552370]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  290.557142]  ? retint_kernel+0x2d/0x2d
[  290.561042]  ? lock_acquire+0x1ed/0x520
[  290.565019]  ? bpf_test_run+0x3cb/0x780
[  290.569001]  ? lock_release+0x970/0x970
[  290.572975]  ? preempt_schedule+0x4d/0x60
[  290.577121]  ? preempt_schedule_common+0x1f/0xd0
[  290.581883]  ? preempt_schedule+0x4d/0x60
[  290.586036]  ? ___preempt_schedule+0x16/0x18
[  290.590452]  ? bpf_test_run+0x25d/0x780
[  290.594434]  ? netlink_diag_dump+0x2a0/0x2a0
[  290.598848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.604393]  ? bpf_test_init.isra.9+0x70/0x100
[  290.608999]  ? bpf_prog_test_run_skb+0x634/0xb40
[  290.613759]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  290.618608]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  290.624148]  ? fput+0x130/0x1a0
[  290.627427]  ? __bpf_prog_get+0x9b/0x290
[  290.631489]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  290.636332]  ? bpf_prog_test_run+0x130/0x1a0
[  290.640754]  ? __x64_sys_bpf+0x3d8/0x510
[  290.644815]  ? bpf_prog_get+0x20/0x20
[  290.648635]  ? do_syscall_64+0x1b9/0x820
[  290.652707]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  290.658076]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.663012]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.668032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  290.673065]  ? recalc_sigpending_tsk+0x180/0x180
[  290.677826]  ? kasan_check_write+0x14/0x20
[  290.682068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.686919]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  290.692296] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  290.692361] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.699137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.699141] Call Trace:
[  290.699163]  dump_stack+0x1c4/0x2b4
[  290.699181]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.705745] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.715018]  warn_alloc.cold.119+0xb7/0x1bd
[  290.717572] syz-executor4 cpuset=
[  290.721194]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.726391] syz4
[  290.736873]  ? lock_downgrade+0x900/0x900
[  290.741169]  mems_allowed=0
[  290.744613]  ? trace_hardirqs_off+0xb8/0x310
[  290.762839]  ? trace_hardirqs_off+0xb8/0x310
[  290.767254]  __alloc_pages_slowpath+0x2667/0x2d80
[  290.772113]  ? mark_held_locks+0x130/0x130
[  290.776349]  ? warn_alloc+0x120/0x120
[  290.780159]  ? warn_alloc+0x120/0x120
[  290.783961]  ? warn_alloc+0x120/0x120
[  290.787765]  ? mark_held_locks+0x130/0x130
[  290.792004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.797540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.803078]  ? should_fail+0x22d/0xd01
[  290.806999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.812100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.817644]  ? should_fail+0x22d/0xd01
[  290.821537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.826645]  ? should_fail+0x22d/0xd01
[  290.830539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.835653]  ? mark_held_locks+0x130/0x130
[  290.839888]  ? mark_held_locks+0x130/0x130
[  290.844155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.849696]  ? trace_hardirqs_off+0xb8/0x310
[  290.854106]  ? kasan_check_read+0x11/0x20
[  290.858274]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.862682]  ? trace_hardirqs_on+0x310/0x310
[  290.867093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.872635]  ? wq_watchdog_touch+0x9c/0xfe
[  290.876886]  ? io_serial_in+0x11/0x90
[  290.880694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.886238]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.891347]  __alloc_pages_nodemask+0xa80/0xde0
[  290.896029]  ? should_fail+0x22d/0xd01
[  290.899922]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.904955]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.909622]  ? lock_downgrade+0x900/0x900
[  290.913781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.919361]  cache_grow_begin+0x91/0x8c0
[  290.923448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.927860]  fallback_alloc+0x203/0x2e0
[  290.931838]  ____cache_alloc_node+0x1c7/0x1e0
[  290.936340]  kmem_cache_alloc_node+0xe3/0x730
[  290.940846]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.945085]  __alloc_skb+0x119/0x770
[  290.948800]  ? skb_scrub_packet+0x490/0x490
[  290.953122]  ? lock_downgrade+0x900/0x900
[  290.957275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.962811]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.968261]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.973710]  ? addrconf_rs_timer+0x690/0x690
[  290.978127]  ndisc_alloc_skb+0x144/0x340
[  290.982187]  ndisc_send_rs+0x331/0x6e0
[  290.986074]  addrconf_rs_timer+0x314/0x690
[  290.990309]  ? lock_release+0x970/0x970
[  290.994283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.998555]  call_timer_fn+0x272/0x920
[  291.002476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.006713]  ? process_timeout+0x40/0x40
[  291.010790]  ? kasan_check_read+0x11/0x20
[  291.014945]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.019353]  ? trace_hardirqs_on+0x310/0x310
[  291.023771]  ? __run_timers+0x7da/0xc70
[  291.027759]  ? lock_downgrade+0x900/0x900
[  291.031910]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.037016]  ? trace_hardirqs_on+0xbd/0x310
[  291.041336]  ? kasan_check_read+0x11/0x20
[  291.045504]  ? __run_timers+0x7da/0xc70
[  291.049478]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.054930]  ? kasan_check_write+0x14/0x20
[  291.059172]  ? do_raw_spin_lock+0xc1/0x200
[  291.063415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.067667]  __run_timers+0x7e5/0xc70
[  291.071515]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  291.076890]  ? compat_start_thread+0x80/0x80
[  291.081308]  ? dequeue_entity+0x1770/0x1770
[  291.085664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.091204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.096746]  ? _raw_spin_unlock_irq+0x60/0x80
[  291.101416]  ? finish_task_switch+0x1f5/0x900
[  291.105907]  ? finish_task_switch+0x1b5/0x900
[  291.110403]  ? __switch_to_asm+0x34/0x70
[  291.114463]  ? preempt_notifier_register+0x200/0x200
[  291.119569]  ? __switch_to_asm+0x34/0x70
[  291.123634]  ? __switch_to_asm+0x40/0x70
[  291.127699]  ? __switch_to_asm+0x34/0x70
[  291.131756]  ? __switch_to_asm+0x40/0x70
[  291.135813]  ? __switch_to_asm+0x34/0x70
[  291.139870]  ? __switch_to_asm+0x40/0x70
[  291.143929]  ? __switch_to_asm+0x40/0x70
[  291.147996]  ? pvclock_read_flags+0x160/0x160
[  291.152491]  ? __schedule+0x874/0x1ed0
[  291.156387]  ? run_rebalance_domains+0x38d/0x500
[  291.161156]  ? trace_hardirqs_on+0xbd/0x310
[  291.165485]  ? kvm_sched_clock_read+0x9/0x20
[  291.169899]  ? run_ksoftirqd+0x94/0x100
[  291.173878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.179418]  ? check_preemption_disabled+0x48/0x200
[  291.184452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.189993]  run_timer_softirq+0x52/0xb0
[  291.194054]  ? __this_cpu_preempt_check+0x1c/0x1f
[  291.198896]  __do_softirq+0x30b/0xad8
[  291.202728]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  291.207836]  ? trace_hardirqs_off+0xb8/0x310
[  291.212263]  ? schedule+0x108/0x460
[  291.215894]  ? __schedule+0x1ed0/0x1ed0
[  291.219878]  ? run_ksoftirqd+0x40/0x100
[  291.223858]  ? trace_hardirqs_off+0xb8/0x310
[  291.228265]  ? ___might_sleep+0x1ed/0x300
[  291.232415]  ? smpboot_thread_fn+0x68b/0xa00
[  291.236819]  ? trace_hardirqs_on+0x310/0x310
[  291.241231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.246784]  ? check_preemption_disabled+0x48/0x200
[  291.251800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.257342]  ? takeover_tasklets+0xa90/0xa90
[  291.261772]  run_ksoftirqd+0x94/0x100
[  291.265575]  smpboot_thread_fn+0x68b/0xa00
[  291.269811]  ? sort_range+0x30/0x30
[  291.273445]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.278551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.284091]  ? __kthread_parkme+0xfb/0x1a0
[  291.288333]  kthread+0x35a/0x420
[  291.291705]  ? sort_range+0x30/0x30
[  291.295346]  ? kthread_bind+0x40/0x40
[  291.299161]  ret_from_fork+0x3a/0x50
[  291.302881] warn_alloc_show_mem: 1 callbacks suppressed
[  291.302895] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  291.302897] Mem-Info:
[  291.302928] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  291.302928]  active_file:15 inactive_file:15 isolated_file:0
[  291.302928]  unevictable:0 dirty:0 writeback:0 unstable:0
[  291.302928]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  291.302928]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  291.302928]  free:13623 free_pcp:480 free_cma:0
[  291.308281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.315556] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  291.317950] Call Trace:
[  291.351001] Node 0 
[  291.360382]  <IRQ>
[  291.388162] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  291.390729]  dump_stack+0x1c4/0x2b4
[  291.392928] lowmem_reserve[]:
[  291.395077]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.420563]  0
[  291.424198]  warn_alloc.cold.119+0xb7/0x1bd
[  291.427263]  2819
[  291.432448]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.434219]  6323
[  291.438697]  ? lock_downgrade+0x900/0x900
[  291.440734]  6323
[  291.445572]  ? trace_hardirqs_off+0xb8/0x310
[  291.451742]  ? trace_hardirqs_off+0xb8/0x310
[  291.453779] Node 0 
[  291.458186]  __alloc_pages_slowpath+0x2667/0x2d80
[  291.462592] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  291.464810]  ? warn_alloc+0x120/0x120
[  291.469610] lowmem_reserve[]:
[  291.496511]  ? trace_hardirqs_on+0x310/0x310
[  291.500282]  0
[  291.503403]  ? warn_alloc+0x120/0x120
[  291.507778]  0
[  291.509592]  ? warn_alloc+0x120/0x120
[  291.513374]  3503
[  291.515172]  ? ktime_get+0x2e1/0x440
[  291.518943]  3503
[  291.521001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.526796]  ? check_preemption_disabled+0x48/0x200
[  291.532304] Node 0 
[  291.537318]  ? kasan_check_read+0x11/0x20
[  291.537349] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  291.537356] lowmem_reserve[]:
[  291.539598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.543712]  0 0
[  291.572857]  ? should_fail+0x22d/0xd01
[  291.575935]  0
[  291.581474]  ? rcu_bh_qs+0xc0/0xc0
[  291.583418]  0
[  291.587301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.592605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.594382] Node 0 
[  291.599482]  ? should_fail+0x22d/0xd01
[  291.605011] DMA: 
[  291.607242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.611099] 1*4kB 
[  291.613158]  ? should_fail+0x22d/0xd01
[  291.618247] (U) 0*8kB 0*16kB 1*32kB 
[  291.620417]  ? rcu_idle_enter+0x4b0/0x4b0
[  291.624289] (U) 
[  291.627996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.632121] 2*64kB 
[  291.634094]  ? mark_held_locks+0x130/0x130
[  291.639169] (U) 
[  291.641406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.645609] 1*128kB 
[  291.647575]  ? mark_held_locks+0x130/0x130
[  291.653085] (U) 
[  291.655406]  ? rcu_irq_exit+0xce/0x100
[  291.659614] 1*256kB 
[  291.661589]  ? irq_exit+0xbd/0x1c0
[  291.665444] (U) 
[  291.667778]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  291.671294] 0*512kB 
[  291.673267]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.678256] 1*1024kB 
[  291.680573]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.684951] (U) 
[  291.687354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.693212] 1*2048kB 
[  291.695196]  ? ret_from_intr+0xb/0x1e
[  291.700719] (M) 
[  291.703135]  ? retint_kernel+0x2d/0x2d
[  291.706901] 3*4096kB 
[  291.708882]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.712756] (M) 
[  291.715171]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.720071] = 15908kB
[  291.722045]  ? trace_hardirqs_off+0x310/0x310
[  291.726778] Node 0 
[  291.729187]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.733656] DMA32: 
[  291.735892]  __alloc_pages_nodemask+0xa80/0xde0
[  291.740962] 3*4kB 
[  291.743193]  ? should_fail+0x22d/0xd01
[  291.747829] (UM) 
[  291.749979]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  291.753837] 2*8kB 
[  291.755902]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.760884] (UM) 
[  291.763030]  ? lock_downgrade+0x900/0x900
[  291.767671] 2*16kB 
[  291.769732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.773851] (M) 
[  291.776085]  cache_grow_begin+0x91/0x8c0
[  291.781595] 2*32kB 
[  291.783566]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.787595] (M) 
[  291.789841]  fallback_alloc+0x203/0x2e0
[  291.794220] 4*64kB 
[  291.796186]  ____cache_alloc_node+0x1c7/0x1e0
[  291.800142] (M) 
[  291.802381]  kmem_cache_alloc_node+0xe3/0x730
[  291.806849] 3*128kB 
[  291.808818]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.813307] (M) 
[  291.815627]  __alloc_skb+0x119/0x770
[  291.819856] 4*256kB 
[  291.821826]  ? skb_scrub_packet+0x490/0x490
[  291.825513] (UM) 
[  291.827836]  ? lock_downgrade+0x900/0x900
[  291.832135] 3*512kB 
[  291.834191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.838315] (M) 
[  291.840655]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.846163] 3*1024kB 
[  291.848165]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.853618] (UM) 
[  291.856036]  ? addrconf_rs_timer+0x690/0x690
[  291.861456] 3*2048kB 
[  291.863511]  ndisc_alloc_skb+0x144/0x340
[  291.867885] (M) 3*4096kB 
[  291.870295]  ndisc_send_rs+0x331/0x6e0
[  291.874333] (M) 
[  291.877085]  addrconf_rs_timer+0x314/0x690
[  291.880945] = 24828kB
[  291.882910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.887129] Node 0 Normal: 
[  291.889547]  call_timer_fn+0x272/0x920
[  291.893748] 1555*4kB 
[  291.896668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.900527] (UMEH) 
[  291.902932]  ? process_timeout+0x40/0x40
[  291.907152] 298*8kB 
[  291.909395]  ? trace_hardirqs_off+0xb8/0x310
[  291.913456] (ME) 
[  291.915780]  ? kasan_check_read+0x11/0x20
[  291.920172] 96*16kB 
[  291.922229]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.926359] (ME) 
[  291.928684]  ? trace_hardirqs_on+0x310/0x310
[  291.933084] 43*32kB 
[  291.935144]  ? __run_timers+0x7da/0xc70
[  291.939517] (UME) 
[  291.941834]  ? lock_downgrade+0x900/0x900
[  291.945795] 31*64kB 
[  291.947945]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.952058] (UM) 
[  291.954382]  ? trace_hardirqs_on+0xbd/0x310
[  291.959456] 0*128kB 
[  291.961513]  ? kasan_check_read+0x11/0x20
[  291.965805] 1*256kB 
[  291.968147]  ? __run_timers+0x7da/0xc70
[  291.972263] (U) 
[  291.974581]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.978529] 0*512kB 
[  291.980504]  ? kasan_check_write+0x14/0x20
[  291.985922] 0*1024kB 
[  291.988244]  ? do_raw_spin_lock+0xc1/0x200
[  291.992448] 0*2048kB 
[  291.994857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.999088] 0*4096kB 
[  292.001495]  __run_timers+0x7e5/0xc70
[  292.005698] = 13756kB
[  292.008124]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.011898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  292.014301]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  292.019638] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  292.028467]  ? timerqueue_add+0x207/0x2b0
[  292.033458] 3632 total pagecache pages
[  292.042030]  ? enqueue_hrtimer+0x1a5/0x560
[  292.046150] 0 pages in swap cache
[  292.050049]  ? lock_release+0x970/0x970
[  292.054248] Swap cache stats: add 0, delete 0, find 0/0
[  292.057701]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.061650] Free swap  = 0kB
[  292.067012]  ? kasan_check_write+0x14/0x20
[  292.072172] Total swap = 0kB
[  292.075190]  ? pvclock_read_flags+0x160/0x160
[  292.079408] 1965979 pages RAM
[  292.082423]  ? lock_downgrade+0x900/0x900
[  292.086888] 0 pages HighMem/MovableOnly
[  292.089995]  ? trace_hardirqs_on+0xbd/0x310
[  292.094105] 342307 pages reserved
[  292.094112] 0 pages cma reserved
[  292.098084]  ? kvm_sched_clock_read+0x9/0x20
[  292.102451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.105827]  ? irq_exit+0x17f/0x1c0
[  292.105847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.109240] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.113590]  ? check_preemption_disabled+0x48/0x200
[  292.120053] ksoftirqd/0 cpuset=
[  292.123674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.129178] /
[  292.139492]  run_timer_softirq+0x52/0xb0
[  292.144480]  mems_allowed=0
[  292.147754]  ? __this_cpu_preempt_check+0x1c/0x1f
[  292.166764]  __do_softirq+0x30b/0xad8
[  292.170609]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  292.175713]  ? pvclock_read_flags+0x160/0x160
[  292.180222]  ? lapic_next_event+0x5a/0x90
[  292.184387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.189932]  ? clockevents_program_event+0x140/0x370
[  292.195039]  ? kvm_clock_read+0x18/0x30
[  292.199015]  ? kvm_sched_clock_read+0x9/0x20
[  292.203426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.208970]  ? check_preemption_disabled+0x48/0x200
[  292.213995]  irq_exit+0x17f/0x1c0
[  292.217458]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.222303]  ? smp_reschedule_interrupt+0x109/0x650
[  292.227317]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.233205]  ? interrupt_entry+0xb5/0xf0
[  292.237270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.242282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.247307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.252152]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.257166]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.262182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.267724]  ? check_preemption_disabled+0x48/0x200
[  292.272737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.278280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.283140]  apic_timer_interrupt+0xf/0x20
[  292.287378]  </IRQ>
[  292.289619] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  292.294550] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  292.313454] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  292.321175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  292.328440] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  292.335710] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  292.342974] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  292.350244] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  292.357552]  ? trace_hardirqs_on+0xb4/0x310
[  292.361884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.367427]  skb_clone+0x1bb/0x500
[  292.370972]  ? finish_task_switch+0x2f5/0x900
[  292.375465]  ? skb_split+0x11e0/0x11e0
[  292.379352]  ? preempt_notifier_register+0x200/0x200
[  292.384464]  ? __switch_to_asm+0x34/0x70
[  292.388523]  ? __switch_to_asm+0x34/0x70
[  292.392585]  ? __switch_to_asm+0x40/0x70
[  292.396647]  ? __switch_to_asm+0x34/0x70
[  292.400718]  ? __switch_to_asm+0x40/0x70
[  292.404780]  ? __switch_to_asm+0x34/0x70
[  292.408837]  ? __switch_to_asm+0x40/0x70
[  292.412894]  ? __switch_to_asm+0x34/0x70
[  292.416965]  ? __switch_to_asm+0x34/0x70
[  292.421028]  ? __switch_to_asm+0x40/0x70
[  292.425088]  ? __switch_to_asm+0x34/0x70
[  292.429157]  bpf_clone_redirect+0xb9/0x490
[  292.433402]  ? __schedule+0x874/0x1ed0
[  292.437293]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  292.442306]  ? __sched_text_start+0x8/0x8
[  292.446458]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.451218]  ? retint_kernel+0x2d/0x2d
[  292.455134]  ? lock_acquire+0x1ed/0x520
[  292.459125]  ? bpf_test_run+0x3cb/0x780
[  292.463107]  ? lock_release+0x970/0x970
[  292.467082]  ? preempt_schedule+0x4d/0x60
[  292.471230]  ? preempt_schedule_common+0x1f/0xd0
[  292.475983]  ? preempt_schedule+0x4d/0x60
[  292.480136]  ? ___preempt_schedule+0x16/0x18
[  292.484573]  ? bpf_test_run+0x25d/0x780
[  292.488552]  ? netlink_diag_dump+0x2a0/0x2a0
[  292.492965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.498500]  ? bpf_test_init.isra.9+0x70/0x100
[  292.503090]  ? bpf_prog_test_run_skb+0x634/0xb40
[  292.507848]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  292.512692]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.518249]  ? fput+0x130/0x1a0
[  292.521537]  ? __bpf_prog_get+0x9b/0x290
[  292.525600]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  292.530439]  ? bpf_prog_test_run+0x130/0x1a0
[  292.534849]  ? __x64_sys_bpf+0x3d8/0x510
[  292.538911]  ? bpf_prog_get+0x20/0x20
[  292.542723]  ? do_syscall_64+0x1b9/0x820
[  292.546791]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  292.552161]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.557092]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.562163]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  292.567724]  ? recalc_sigpending_tsk+0x180/0x180
[  292.572487]  ? kasan_check_write+0x14/0x20
[  292.576724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.581584]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  292.586978] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  292.587044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.593827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.600401] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.609642] Call Trace:
[  292.620114] syz-executor4 cpuset=syz4 mems_allowed=0
[  292.622705]  dump_stack+0x1c4/0x2b4
[  292.622722]  ? dump_stack_print_info.cold.2+0x52/0x52
[  292.636609]  warn_alloc.cold.119+0xb7/0x1bd
[  292.640936]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.645781]  ? lock_downgrade+0x900/0x900
[  292.649932]  ? trace_hardirqs_off+0xb8/0x310
[  292.654343]  ? trace_hardirqs_off+0xb8/0x310
[  292.658777]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.663652]  ? mark_held_locks+0x130/0x130
[  292.667888]  ? warn_alloc+0x120/0x120
[  292.671687]  ? warn_alloc+0x120/0x120
[  292.675503]  ? warn_alloc+0x120/0x120
[  292.679317]  ? mark_held_locks+0x130/0x130
[  292.683557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.689097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.694679]  ? should_fail+0x22d/0xd01
[  292.698567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.703668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.709205]  ? should_fail+0x22d/0xd01
[  292.713094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.718282]  ? should_fail+0x22d/0xd01
[  292.722174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.727280]  ? mark_held_locks+0x130/0x130
[  292.731515]  ? mark_held_locks+0x130/0x130
[  292.735753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.741296]  ? trace_hardirqs_off+0xb8/0x310
[  292.745731]  ? kasan_check_read+0x11/0x20
[  292.749935]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.754348]  ? trace_hardirqs_on+0x310/0x310
[  292.758778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.764316]  ? wq_watchdog_touch+0x9c/0xfe
[  292.768554]  ? io_serial_in+0x11/0x90
[  292.772352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.777909]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.783024]  __alloc_pages_nodemask+0xa80/0xde0
[  292.787694]  ? should_fail+0x22d/0xd01
[  292.791581]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.796614]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.801287]  ? lock_downgrade+0x900/0x900
[  292.805441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.810985]  cache_grow_begin+0x91/0x8c0
[  292.815054]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.819468]  fallback_alloc+0x203/0x2e0
[  292.823455]  ____cache_alloc_node+0x1c7/0x1e0
[  292.827967]  kmem_cache_alloc_node+0xe3/0x730
[  292.832480]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.836731]  __alloc_skb+0x119/0x770
[  292.840446]  ? skb_scrub_packet+0x490/0x490
[  292.844769]  ? lock_downgrade+0x900/0x900
[  292.848920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.854466]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.859919]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.865376]  ? addrconf_rs_timer+0x690/0x690
[  292.869795]  ndisc_alloc_skb+0x144/0x340
[  292.873858]  ndisc_send_rs+0x331/0x6e0
[  292.877749]  addrconf_rs_timer+0x314/0x690
[  292.881983]  ? lock_release+0x970/0x970
[  292.885962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.890207]  call_timer_fn+0x272/0x920
[  292.894095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.898346]  ? process_timeout+0x40/0x40
[  292.902416]  ? kasan_check_read+0x11/0x20
[  292.906563]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.910975]  ? trace_hardirqs_on+0x310/0x310
[  292.915393]  ? __run_timers+0x7da/0xc70
[  292.919376]  ? lock_downgrade+0x900/0x900
[  292.923529]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.928636]  ? trace_hardirqs_on+0xbd/0x310
[  292.932962]  ? kasan_check_read+0x11/0x20
[  292.937111]  ? __run_timers+0x7da/0xc70
[  292.941090]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.946558]  ? kasan_check_write+0x14/0x20
[  292.950807]  ? do_raw_spin_lock+0xc1/0x200
[  292.955044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.959280]  __run_timers+0x7e5/0xc70
[  292.963104]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.968466]  ? compat_start_thread+0x80/0x80
[  292.972873]  ? dequeue_entity+0x1770/0x1770
[  292.977191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.982728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.988271]  ? _raw_spin_unlock_irq+0x60/0x80
[  292.992770]  ? finish_task_switch+0x1f5/0x900
[  292.997267]  ? finish_task_switch+0x1b5/0x900
[  293.001763]  ? __switch_to_asm+0x34/0x70
[  293.005828]  ? preempt_notifier_register+0x200/0x200
[  293.010931]  ? __switch_to_asm+0x34/0x70
[  293.014997]  ? __switch_to_asm+0x40/0x70
[  293.019053]  ? __switch_to_asm+0x34/0x70
[  293.023117]  ? __switch_to_asm+0x40/0x70
[  293.027191]  ? __switch_to_asm+0x34/0x70
[  293.031248]  ? __switch_to_asm+0x40/0x70
[  293.035307]  ? __switch_to_asm+0x40/0x70
[  293.039394]  ? pvclock_read_flags+0x160/0x160
[  293.043892]  ? __schedule+0x874/0x1ed0
[  293.047779]  ? run_rebalance_domains+0x38d/0x500
[  293.052540]  ? trace_hardirqs_on+0xbd/0x310
[  293.056866]  ? kvm_sched_clock_read+0x9/0x20
[  293.061277]  ? run_ksoftirqd+0x94/0x100
[  293.065256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.070803]  ? check_preemption_disabled+0x48/0x200
[  293.075816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.081357]  run_timer_softirq+0x52/0xb0
[  293.085425]  ? __this_cpu_preempt_check+0x1c/0x1f
[  293.090266]  __do_softirq+0x30b/0xad8
[  293.094077]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.099179]  ? trace_hardirqs_off+0xb8/0x310
[  293.103591]  ? schedule+0x108/0x460
[  293.107216]  ? __schedule+0x1ed0/0x1ed0
[  293.111205]  ? run_ksoftirqd+0x40/0x100
[  293.115211]  ? trace_hardirqs_off+0xb8/0x310
[  293.119623]  ? ___might_sleep+0x1ed/0x300
[  293.123772]  ? smpboot_thread_fn+0x68b/0xa00
[  293.128180]  ? trace_hardirqs_on+0x310/0x310
[  293.132590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.138128]  ? check_preemption_disabled+0x48/0x200
[  293.143173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.148716]  ? takeover_tasklets+0xa90/0xa90
[  293.153149]  run_ksoftirqd+0x94/0x100
[  293.156952]  smpboot_thread_fn+0x68b/0xa00
[  293.161200]  ? sort_range+0x30/0x30
[  293.164845]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.169964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.175531]  ? __kthread_parkme+0xfb/0x1a0
[  293.179795]  kthread+0x35a/0x420
[  293.183173]  ? sort_range+0x30/0x30
[  293.186808]  ? kthread_bind+0x40/0x40
[  293.190639]  ret_from_fork+0x3a/0x50
[  293.194360] warn_alloc_show_mem: 1 callbacks suppressed
[  293.194382] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  293.194384] Mem-Info:
[  293.194416] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  293.194416]  active_file:15 inactive_file:15 isolated_file:0
[  293.194416]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.194416]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  293.194416]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  293.194416]  free:13623 free_pcp:480 free_cma:0
[  293.199753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.207033] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  293.209434] Call Trace:
[  293.242491] Node 0 
[  293.251868]  <IRQ>
[  293.279646] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  293.282208]  dump_stack+0x1c4/0x2b4
[  293.284409] lowmem_reserve[]:
[  293.286557]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.312046]  0 2819
[  293.315699]  warn_alloc.cold.119+0xb7/0x1bd
[  293.318766]  6323
[  293.323952]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.326152]  6323
[  293.330478]  ? lock_downgrade+0x900/0x900
[  293.332513] Node 0 
[  293.337351]  ? trace_hardirqs_off+0xb8/0x310
[  293.339420] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  293.343537]  ? trace_hardirqs_off+0xb8/0x310
[  293.345748] lowmem_reserve[]:
[  293.350160]  __alloc_pages_slowpath+0x2667/0x2d80
[  293.377033]  0
[  293.381462]  ? warn_alloc+0x120/0x120
[  293.384516]  0 3503
[  293.389388]  ? trace_hardirqs_on+0x310/0x310
[  293.391178]  3503
[  293.394989]  ? warn_alloc+0x120/0x120
[  293.401612]  ? warn_alloc+0x120/0x120
[  293.403670] Node 0 
[  293.407461]  ? ktime_get+0x2e1/0x440
[  293.411260] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  293.413465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.417148] lowmem_reserve[]:
[  293.445871]  ? check_preemption_disabled+0x48/0x200
[  293.451390]  0
[  293.454495]  ? kasan_check_read+0x11/0x20
[  293.459476]  0
[  293.461273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.465396]  0
[  293.467201]  ? should_fail+0x22d/0xd01
[  293.472708]  0
[  293.474526]  ? rcu_bh_qs+0xc0/0xc0
[  293.480199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.483710] Node 0 
[  293.488798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.488806] DMA: 
[  293.491058]  ? should_fail+0x22d/0xd01
[  293.496566] 1*4kB 
[  293.498648]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.502525] (U) 
[  293.504696]  ? should_fail+0x22d/0xd01
[  293.509771] 0*8kB 
[  293.511744]  ? rcu_idle_enter+0x4b0/0x4b0
[  293.515601] 0*16kB 
[  293.517747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.521868] 1*32kB 
[  293.524098]  ? mark_held_locks+0x130/0x130
[  293.529171] (U) 
[  293.531407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.535612] 2*64kB 
[  293.537596]  ? mark_held_locks+0x130/0x130
[  293.543103] (U) 
[  293.545336]  ? rcu_irq_exit+0xce/0x100
[  293.549543] 1*128kB 
[  293.551516]  ? irq_exit+0xbd/0x1c0
[  293.555382] (U) 
[  293.557705]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  293.561215] 1*256kB 
[  293.563184]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.568303] (U) 0*512kB 
[  293.570634]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.575023] 1*1024kB 
[  293.577701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.583552] (U) 
[  293.585974]  ? ret_from_intr+0xb/0x1e
[  293.591480] 1*2048kB 
[  293.593498]  ? retint_kernel+0x2d/0x2d
[  293.597271] (M) 
[  293.599696]  ? trace_hardirqs_on_caller+0xc0/0x310
[  293.603553] 3*4096kB 
[  293.605528]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  293.610426] (M) 
[  293.612829]  ? trace_hardirqs_off+0x310/0x310
[  293.617556] = 15908kB
[  293.619525]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.623990] Node 0 
[  293.626401]  __alloc_pages_nodemask+0xa80/0xde0
[  293.631470] DMA32: 
[  293.633703]  ? should_fail+0x22d/0xd01
[  293.638341] 3*4kB 
[  293.640569]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  293.644428] (UM) 
[  293.646580]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.651575] 2*8kB 
[  293.653651]  ? lock_downgrade+0x900/0x900
[  293.658290] (UM) 
[  293.660436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.664571] 2*16kB 
[  293.666639]  cache_grow_begin+0x91/0x8c0
[  293.672148] (M) 
[  293.674390]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.678425] 2*32kB 
[  293.680401]  fallback_alloc+0x203/0x2e0
[  293.684794] (M) 
[  293.687026]  ____cache_alloc_node+0x1c7/0x1e0
[  293.690973] 4*64kB 
[  293.692938]  kmem_cache_alloc_node+0xe3/0x730
[  293.697406] (M) 
[  293.699637]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.704106] 3*128kB 
[  293.706092]  __alloc_skb+0x119/0x770
[  293.710301] (M) 
[  293.712621]  ? skb_scrub_packet+0x490/0x490
[  293.716313] 4*256kB 
[  293.718288]  ? lock_downgrade+0x900/0x900
[  293.722578] (UM) 
[  293.724898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.729021] 3*512kB 
[  293.731078]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.736596] (M) 
[  293.738910]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.744330] 3*1024kB 
[  293.746294]  ? addrconf_rs_timer+0x690/0x690
[  293.751712] (UM) 
[  293.754142]  ndisc_alloc_skb+0x144/0x340
[  293.758529] 3*2048kB 
[  293.760586]  ndisc_send_rs+0x331/0x6e0
[  293.764618] (M) 
[  293.767024]  addrconf_rs_timer+0x314/0x690
[  293.770886] 3*4096kB 
[  293.772852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.777060] (M) 
[  293.779470]  call_timer_fn+0x272/0x920
[  293.783675] = 24828kB
[  293.785639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.785657]  ? process_timeout+0x40/0x40
[  293.789521] Node 0 
[  293.791925]  ? trace_hardirqs_off+0xb8/0x310
[  293.796148] Normal: 1555*4kB 
[  293.800228]  ? kasan_check_read+0x11/0x20
[  293.802436] (UMEH) 
[  293.806842]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.809917] 298*8kB 
[  293.814061]  ? trace_hardirqs_on+0x310/0x310
[  293.816268] (ME) 
[  293.820672]  ? __run_timers+0x7da/0xc70
[  293.822967] 96*16kB 
[  293.827376]  ? lock_downgrade+0x900/0x900
[  293.829408] (ME) 
[  293.833397]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.835709] 43*32kB 
[  293.839863]  ? trace_hardirqs_on+0xbd/0x310
[  293.841898] (UME) 
[  293.847000]  ? kasan_check_read+0x11/0x20
[  293.849293] 31*64kB 
[  293.853607]  ? __run_timers+0x7da/0xc70
[  293.855728] (UM) 
[  293.859872]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.862179] 0*128kB 
[  293.866153]  ? kasan_check_write+0x14/0x20
[  293.868186] 1*256kB 
[  293.873651]  ? do_raw_spin_lock+0xc1/0x200
[  293.875948] (U) 
[  293.880194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.882496] 0*512kB 
[  293.886723]  __run_timers+0x7e5/0xc70
[  293.888672] 0*1024kB 
[  293.892904]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  293.895194] 0*2048kB 
[  293.898987]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.901380] 0*4096kB 
[  293.906738]  ? timerqueue_add+0x207/0x2b0
[  293.909124] = 13756kB
[  293.914137]  ? enqueue_hrtimer+0x1a5/0x560
[  293.916523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.920655]  ? lock_release+0x970/0x970
[  293.923062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.927296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.936107] 3632 total pagecache pages
[  293.940083]  ? kasan_check_write+0x14/0x20
[  293.948631] 0 pages in swap cache
[  293.953814]  ? pvclock_read_flags+0x160/0x160
[  293.957678] Swap cache stats: add 0, delete 0, find 0/0
[  293.961921]  ? lock_downgrade+0x900/0x900
[  293.965363] Free swap  = 0kB
[  293.969876]  ? trace_hardirqs_on+0xbd/0x310
[  293.975227] Total swap = 0kB
[  293.979378]  ? kvm_sched_clock_read+0x9/0x20
[  293.982393] 1965979 pages RAM
[  293.986709]  ? irq_exit+0x17f/0x1c0
[  293.989746] 0 pages HighMem/MovableOnly
[  293.994148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.997223] 342307 pages reserved
[  294.000844]  ? check_preemption_disabled+0x48/0x200
[  294.004790] 0 pages cma reserved
[  294.010319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.013832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.018752]  run_timer_softirq+0x52/0xb0
[  294.018773]  ? __this_cpu_preempt_check+0x1c/0x1f
[  294.022166] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.027643]  __do_softirq+0x30b/0xad8
[  294.027662]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  294.034142] ksoftirqd/0 cpuset=
[  294.038245]  ? pvclock_read_flags+0x160/0x160
[  294.043059] /
[  294.053376]  ? lapic_next_event+0x5a/0x90
[  294.057148]  mems_allowed=0
[  294.062262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.084294]  ? clockevents_program_event+0x140/0x370
[  294.089407]  ? kvm_clock_read+0x18/0x30
[  294.093390]  ? kvm_sched_clock_read+0x9/0x20
[  294.097806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.103352]  ? check_preemption_disabled+0x48/0x200
[  294.108403]  irq_exit+0x17f/0x1c0
[  294.111861]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.116702]  ? smp_reschedule_interrupt+0x109/0x650
[  294.121724]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.127609]  ? interrupt_entry+0xb5/0xf0
[  294.131673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.136701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.141719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.146565]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.151577]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.156607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.162153]  ? check_preemption_disabled+0x48/0x200
[  294.167171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.172757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.177602]  apic_timer_interrupt+0xf/0x20
[  294.181837]  </IRQ>
[  294.184076] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  294.189006] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  294.207936] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  294.215662] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  294.222940] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  294.230211] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  294.237476] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  294.244745] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  294.252051]  ? trace_hardirqs_on+0xb4/0x310
[  294.256387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.261930]  skb_clone+0x1bb/0x500
[  294.265473]  ? finish_task_switch+0x2f5/0x900
[  294.269970]  ? skb_split+0x11e0/0x11e0
[  294.273862]  ? preempt_notifier_register+0x200/0x200
[  294.278965]  ? __switch_to_asm+0x34/0x70
[  294.283033]  ? __switch_to_asm+0x34/0x70
[  294.287121]  ? __switch_to_asm+0x40/0x70
[  294.291183]  ? __switch_to_asm+0x34/0x70
[  294.295239]  ? __switch_to_asm+0x40/0x70
[  294.299298]  ? __switch_to_asm+0x34/0x70
[  294.303354]  ? __switch_to_asm+0x40/0x70
[  294.307424]  ? __switch_to_asm+0x34/0x70
[  294.311485]  ? __switch_to_asm+0x34/0x70
[  294.315546]  ? __switch_to_asm+0x40/0x70
[  294.319604]  ? __switch_to_asm+0x34/0x70
[  294.323678]  bpf_clone_redirect+0xb9/0x490
[  294.327915]  ? __schedule+0x874/0x1ed0
[  294.331805]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  294.336822]  ? __sched_text_start+0x8/0x8
[  294.341014]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.345777]  ? retint_kernel+0x2d/0x2d
[  294.349672]  ? lock_acquire+0x1ed/0x520
[  294.353646]  ? bpf_test_run+0x3cb/0x780
[  294.357628]  ? lock_release+0x970/0x970
[  294.361602]  ? preempt_schedule+0x4d/0x60
[  294.365752]  ? preempt_schedule_common+0x1f/0xd0
[  294.370507]  ? preempt_schedule+0x4d/0x60
[  294.374659]  ? ___preempt_schedule+0x16/0x18
[  294.379074]  ? bpf_test_run+0x25d/0x780
[  294.383068]  ? netlink_diag_dump+0x2a0/0x2a0
[  294.387487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.393023]  ? bpf_test_init.isra.9+0x70/0x100
[  294.397606]  ? bpf_prog_test_run_skb+0x634/0xb40
[  294.402398]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  294.407245]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.412787]  ? fput+0x130/0x1a0
[  294.416071]  ? __bpf_prog_get+0x9b/0x290
[  294.420137]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  294.424979]  ? bpf_prog_test_run+0x130/0x1a0
[  294.429395]  ? __x64_sys_bpf+0x3d8/0x510
[  294.433456]  ? bpf_prog_get+0x20/0x20
[  294.437314]  ? do_syscall_64+0x1b9/0x820
[  294.441386]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  294.446751]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.451683]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.456701]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  294.461720]  ? recalc_sigpending_tsk+0x180/0x180
[  294.466497]  ? kasan_check_write+0x14/0x20
[  294.470734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.475613]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  294.480990] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  294.481056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.487830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.487835] Call Trace:
[  294.487855]  dump_stack+0x1c4/0x2b4
[  294.487870]  ? dump_stack_print_info.cold.2+0x52/0x52
[  294.487891]  warn_alloc.cold.119+0xb7/0x1bd
[  294.494426] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.503723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.506280] syz-executor4 cpuset=
[  294.509903]  ? lock_downgrade+0x900/0x900
[  294.515062] syz4
[  294.519390]  ? trace_hardirqs_off+0xb8/0x310
[  294.529852]  mems_allowed=0
[  294.534690]  ? trace_hardirqs_off+0xb8/0x310
[  294.555939]  __alloc_pages_slowpath+0x2667/0x2d80
[  294.560800]  ? mark_held_locks+0x130/0x130
[  294.565036]  ? warn_alloc+0x120/0x120
[  294.568836]  ? warn_alloc+0x120/0x120
[  294.572945]  ? warn_alloc+0x120/0x120
[  294.576777]  ? mark_held_locks+0x130/0x130
[  294.581019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.586558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.592109]  ? should_fail+0x22d/0xd01
[  294.596013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.601113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.606651]  ? should_fail+0x22d/0xd01
[  294.610544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.615647]  ? should_fail+0x22d/0xd01
[  294.619540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.624671]  ? mark_held_locks+0x130/0x130
[  294.628910]  ? mark_held_locks+0x130/0x130
[  294.633160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.638701]  ? trace_hardirqs_off+0xb8/0x310
[  294.643110]  ? kasan_check_read+0x11/0x20
[  294.647261]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.651668]  ? trace_hardirqs_on+0x310/0x310
[  294.656078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.661650]  ? wq_watchdog_touch+0x9c/0xfe
[  294.665889]  ? io_serial_in+0x11/0x90
[  294.669691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.675248]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.680359]  __alloc_pages_nodemask+0xa80/0xde0
[  294.685053]  ? should_fail+0x22d/0xd01
[  294.688942]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.693972]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.698650]  ? lock_downgrade+0x900/0x900
[  294.702804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.708343]  cache_grow_begin+0x91/0x8c0
[  294.712446]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.716859]  fallback_alloc+0x203/0x2e0
[  294.720838]  ____cache_alloc_node+0x1c7/0x1e0
[  294.725338]  kmem_cache_alloc_node+0xe3/0x730
[  294.729843]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.734086]  __alloc_skb+0x119/0x770
[  294.737814]  ? skb_scrub_packet+0x490/0x490
[  294.742135]  ? lock_downgrade+0x900/0x900
[  294.746291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.751828]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.757283]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.762736]  ? addrconf_rs_timer+0x690/0x690
[  294.767151]  ndisc_alloc_skb+0x144/0x340
[  294.771215]  ndisc_send_rs+0x331/0x6e0
[  294.775101]  addrconf_rs_timer+0x314/0x690
[  294.779333]  ? lock_release+0x970/0x970
[  294.783305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.787549]  call_timer_fn+0x272/0x920
[  294.791432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.795667]  ? process_timeout+0x40/0x40
[  294.799728]  ? kasan_check_read+0x11/0x20
[  294.803875]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.808283]  ? trace_hardirqs_on+0x310/0x310
[  294.812691]  ? __run_timers+0x7da/0xc70
[  294.816667]  ? lock_downgrade+0x900/0x900
[  294.820819]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.825926]  ? trace_hardirqs_on+0xbd/0x310
[  294.830250]  ? kasan_check_read+0x11/0x20
[  294.834406]  ? __run_timers+0x7da/0xc70
[  294.838388]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.843845]  ? kasan_check_write+0x14/0x20
[  294.848082]  ? do_raw_spin_lock+0xc1/0x200
[  294.852334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.856576]  __run_timers+0x7e5/0xc70
[  294.860392]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  294.865757]  ? compat_start_thread+0x80/0x80
[  294.870164]  ? dequeue_entity+0x1770/0x1770
[  294.874487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.880021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.885562]  ? _raw_spin_unlock_irq+0x60/0x80
[  294.890061]  ? finish_task_switch+0x1f5/0x900
[  294.894553]  ? finish_task_switch+0x1b5/0x900
[  294.899047]  ? __switch_to_asm+0x34/0x70
[  294.903113]  ? preempt_notifier_register+0x200/0x200
[  294.908230]  ? __switch_to_asm+0x34/0x70
[  294.912289]  ? __switch_to_asm+0x40/0x70
[  294.916348]  ? __switch_to_asm+0x34/0x70
[  294.920416]  ? __switch_to_asm+0x40/0x70
[  294.924471]  ? __switch_to_asm+0x34/0x70
[  294.928558]  ? __switch_to_asm+0x40/0x70
[  294.932621]  ? __switch_to_asm+0x40/0x70
[  294.936690]  ? pvclock_read_flags+0x160/0x160
[  294.941183]  ? __schedule+0x874/0x1ed0
[  294.945068]  ? run_rebalance_domains+0x38d/0x500
[  294.949828]  ? trace_hardirqs_on+0xbd/0x310
[  294.954177]  ? kvm_sched_clock_read+0x9/0x20
[  294.958585]  ? run_ksoftirqd+0x94/0x100
[  294.962562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.968101]  ? check_preemption_disabled+0x48/0x200
[  294.973117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.978672]  run_timer_softirq+0x52/0xb0
[  294.982736]  ? __this_cpu_preempt_check+0x1c/0x1f
[  294.987589]  __do_softirq+0x30b/0xad8
[  294.991416]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  294.996521]  ? trace_hardirqs_off+0xb8/0x310
[  295.000934]  ? schedule+0x108/0x460
[  295.004560]  ? __schedule+0x1ed0/0x1ed0
[  295.008535]  ? run_ksoftirqd+0x40/0x100
[  295.012508]  ? trace_hardirqs_off+0xb8/0x310
[  295.016932]  ? ___might_sleep+0x1ed/0x300
[  295.021077]  ? smpboot_thread_fn+0x68b/0xa00
[  295.025497]  ? trace_hardirqs_on+0x310/0x310
[  295.029909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.035451]  ? check_preemption_disabled+0x48/0x200
[  295.040465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.045998]  ? takeover_tasklets+0xa90/0xa90
[  295.050453]  run_ksoftirqd+0x94/0x100
[  295.054255]  smpboot_thread_fn+0x68b/0xa00
[  295.058493]  ? sort_range+0x30/0x30
[  295.062123]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.067228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.072768]  ? __kthread_parkme+0xfb/0x1a0
[  295.077007]  kthread+0x35a/0x420
[  295.080398]  ? sort_range+0x30/0x30
[  295.084023]  ? kthread_bind+0x40/0x40
[  295.087829]  ret_from_fork+0x3a/0x50
[  295.091546] warn_alloc_show_mem: 1 callbacks suppressed
[  295.091558] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  295.091560] Mem-Info:
[  295.091594] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  295.091594]  active_file:15 inactive_file:15 isolated_file:0
[  295.091594]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.091594]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  295.091594]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  295.091594]  free:13623 free_pcp:480 free_cma:0
[  295.096929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.104208] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.106606] Call Trace:
[  295.139662] Node 0 
[  295.149021]  <IRQ>
[  295.176801] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  295.179365]  dump_stack+0x1c4/0x2b4
[  295.181572] lowmem_reserve[]:
[  295.183748]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.209234]  0
[  295.212878]  warn_alloc.cold.119+0xb7/0x1bd
[  295.215942]  2819
[  295.221136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.222925]  6323
[  295.227322]  ? lock_downgrade+0x900/0x900
[  295.229355]  6323
[  295.234197]  ? trace_hardirqs_off+0xb8/0x310
[  295.240390]  ? trace_hardirqs_off+0xb8/0x310
[  295.242436] Node 0 
[  295.246855]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.251258] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  295.253477]  ? warn_alloc+0x120/0x120
[  295.258282] lowmem_reserve[]:
[  295.285201]  ? warn_alloc+0x120/0x120
[  295.288977]  0
[  295.292072]  ? warn_alloc+0x120/0x120
[  295.295846]  0
[  295.297652]  ? mark_held_locks+0x130/0x130
[  295.301420]  3503
[  295.303220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.307426]  3503
[  295.309481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.317047]  ? should_fail+0x22d/0xd01
[  295.322558] Node 0 
[  295.326444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.326476] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  295.326483] lowmem_reserve[]:
[  295.328720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.333795]  0
[  295.362353]  ? should_fail+0x22d/0xd01
[  295.365467]  0
[  295.371012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.372787]  0
[  295.376669]  ? should_fail+0x22d/0xd01
[  295.378451]  0
[  295.383545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.389197]  ? mark_held_locks+0x130/0x130
[  295.391057] Node 0 
[  295.396166]  ? mark_held_locks+0x130/0x130
[  295.400383] DMA: 
[  295.402616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.406826] 1*4kB 
[  295.408889]  ? trace_hardirqs_off+0xb8/0x310
[  295.414407] (U) 
[  295.416554]  ? kasan_check_read+0x11/0x20
[  295.420949] 0*8kB 
[  295.422923]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.427043] 0*16kB 
[  295.429193]  ? trace_hardirqs_on+0x310/0x310
[  295.433576] 1*32kB 
[  295.435991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.440384] (U) 
[  295.442616]  ? wq_watchdog_touch+0x9c/0xfe
[  295.448129] 2*64kB 
[  295.450117]  ? io_serial_in+0x11/0x90
[  295.454320] (U) 
[  295.456551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.460322] 1*128kB (U) 
[  295.462305]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.467826] 1*256kB 
[  295.470498]  __alloc_pages_nodemask+0xa80/0xde0
[  295.475566] (U) 
[  295.477886]  ? should_fail+0x22d/0xd01
[  295.482525] 0*512kB 
[  295.484496]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  295.488355] 1*1024kB 
[  295.490689]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.495666] (U) 
[  295.498074]  ? lock_downgrade+0x900/0x900
[  295.502722] 1*2048kB 
[  295.504693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.508810] (M) 
[  295.511214]  cache_grow_begin+0x91/0x8c0
[  295.516742] 3*4096kB 
[  295.518747]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.522776] (M) 
[  295.525181]  fallback_alloc+0x203/0x2e0
[  295.529563] = 15908kB
[  295.531551]  ____cache_alloc_node+0x1c7/0x1e0
[  295.535498] Node 0 
[  295.537899]  kmem_cache_alloc_node+0xe3/0x730
[  295.542375] DMA32: 
[  295.544626]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.549098] 3*4kB 
[  295.551333]  __alloc_skb+0x119/0x770
[  295.555555] (UM) 
[  295.557713]  ? skb_scrub_packet+0x490/0x490
[  295.561400] 2*8kB 
[  295.563457]  ? lock_downgrade+0x900/0x900
[  295.567848] (UM) 2*16kB 
[  295.570008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.574134] (M) 2*32kB 
[  295.576825]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.582332] (M) 
[  295.584914]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.590339] 4*64kB 
[  295.592313]  ? addrconf_rs_timer+0x690/0x690
[  295.597732] (M) 
[  295.599965]  ndisc_alloc_skb+0x144/0x340
[  295.604438] 3*128kB 
[  295.606416]  ndisc_send_rs+0x331/0x6e0
[  295.610452] (M) 
[  295.612776]  addrconf_rs_timer+0x314/0x690
[  295.616636] 4*256kB (UM) 
[  295.618633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.622848] 3*512kB 
[  295.625603]  call_timer_fn+0x272/0x920
[  295.629805] (M) 
[  295.632134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.635990] 3*1024kB 
[  295.637966]  ? process_timeout+0x40/0x40
[  295.642172] (UM) 
[  295.644576]  ? trace_hardirqs_off+0xb8/0x310
[  295.648609] 3*2048kB 
[  295.650666]  ? kasan_check_read+0x11/0x20
[  295.655045] (M) 
[  295.657455]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.661574] 3*4096kB 
[  295.663544]  ? trace_hardirqs_on+0x310/0x310
[  295.667930] (M) 
[  295.670339]  ? __run_timers+0x7da/0xc70
[  295.674727] = 24828kB
[  295.676751]  ? lock_downgrade+0x900/0x900
[  295.680699] Node 0 
[  295.683107]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.687243] Normal: 
[  295.689488]  ? trace_hardirqs_on+0xbd/0x310
[  295.694564] 1555*4kB 
[  295.696882]  ? kasan_check_read+0x11/0x20
[  295.701172] (UMEH) 
[  295.703581]  ? __run_timers+0x7da/0xc70
[  295.707699] 298*8kB 
[  295.709932]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.713874] (ME) 
[  295.716193]  ? kasan_check_write+0x14/0x20
[  295.721613] 96*16kB 
[  295.723672]  ? do_raw_spin_lock+0xc1/0x200
[  295.727874] (ME) 
[  295.730196]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.734402] 43*32kB 
[  295.736468]  __run_timers+0x7e5/0xc70
[  295.740671] (UME) 
[  295.742996]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.746767] 31*64kB 
[  295.748914]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.754245] (UM) 
[  295.756562]  ? timerqueue_add+0x207/0x2b0
[  295.761551] 0*128kB 
[  295.763608]  ? enqueue_hrtimer+0x1a5/0x560
[  295.767728] 1*256kB 
[  295.770047]  ? lock_release+0x970/0x970
[  295.774249] (U) 
[  295.776569]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.780515] 0*512kB 
[  295.782491]  ? kasan_check_write+0x14/0x20
[  295.787666] 0*1024kB 
[  295.789987]  ? pvclock_read_flags+0x160/0x160
[  295.794193] 0*2048kB 
[  295.796602]  ? lock_downgrade+0x900/0x900
[  295.801068] 0*4096kB 
[  295.803532]  ? trace_hardirqs_on+0xbd/0x310
[  295.807656] = 13756kB
[  295.810066]  ? kvm_sched_clock_read+0x9/0x20
[  295.814365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.816776]  ? irq_exit+0x17f/0x1c0
[  295.821176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.830000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.833597] 3632 total pagecache pages
[  295.842172]  ? check_preemption_disabled+0x48/0x200
[  295.847679] 0 pages in swap cache
[  295.851564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.856555] Swap cache stats: add 0, delete 0, find 0/0
[  295.859998]  run_timer_softirq+0x52/0xb0
[  295.865504] Free swap  = 0kB
[  295.870868]  ? __this_cpu_preempt_check+0x1c/0x1f
[  295.874900] Total swap = 0kB
[  295.877912]  __do_softirq+0x30b/0xad8
[  295.882726] 1965979 pages RAM
[  295.885737]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  295.889510] 0 pages HighMem/MovableOnly
[  295.892610]  ? pvclock_read_flags+0x160/0x160
[  295.897687] 342307 pages reserved
[  295.901652]  ? lapic_next_event+0x5a/0x90
[  295.906120] 0 pages cma reserved
[  295.909576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.913767] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.917052]  ? clockevents_program_event+0x140/0x370
[  295.917073]  ? kvm_clock_read+0x18/0x30
[  295.922652] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.929074]  ? kvm_sched_clock_read+0x9/0x20
[  295.934152] ksoftirqd/0 cpuset=
[  295.938124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.948406] /
[  295.952815]  ? check_preemption_disabled+0x48/0x200
[  295.956064]  mems_allowed=0
[  295.961595]  irq_exit+0x17f/0x1c0
[  295.974643]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.979490]  ? smp_reschedule_interrupt+0x109/0x650
[  295.984506]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.990410]  ? interrupt_entry+0xb5/0xf0
[  295.994487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.999502]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.004536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.009390]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.014427]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.019446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.024984]  ? check_preemption_disabled+0x48/0x200
[  296.030001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.035544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.040400]  apic_timer_interrupt+0xf/0x20
[  296.044629]  </IRQ>
[  296.046875] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  296.051804] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  296.070709] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  296.078417] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  296.085682] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  296.092949] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  296.100213] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  296.107483] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  296.114776]  ? trace_hardirqs_on+0xb4/0x310
[  296.119155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.124699]  skb_clone+0x1bb/0x500
[  296.128238]  ? finish_task_switch+0x2f5/0x900
[  296.132732]  ? skb_split+0x11e0/0x11e0
[  296.136616]  ? preempt_notifier_register+0x200/0x200
[  296.141720]  ? __switch_to_asm+0x34/0x70
[  296.145779]  ? __switch_to_asm+0x34/0x70
[  296.149836]  ? __switch_to_asm+0x40/0x70
[  296.153892]  ? __switch_to_asm+0x34/0x70
[  296.157948]  ? __switch_to_asm+0x40/0x70
[  296.162006]  ? __switch_to_asm+0x34/0x70
[  296.166063]  ? __switch_to_asm+0x40/0x70
[  296.170121]  ? __switch_to_asm+0x34/0x70
[  296.174184]  ? __switch_to_asm+0x34/0x70
[  296.178254]  ? __switch_to_asm+0x40/0x70
[  296.182311]  ? __switch_to_asm+0x34/0x70
[  296.186397]  bpf_clone_redirect+0xb9/0x490
[  296.190638]  ? __schedule+0x874/0x1ed0
[  296.194532]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  296.199549]  ? __sched_text_start+0x8/0x8
[  296.203716]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.208477]  ? retint_kernel+0x2d/0x2d
[  296.212381]  ? lock_acquire+0x1ed/0x520
[  296.216355]  ? bpf_test_run+0x3cb/0x780
[  296.220336]  ? lock_release+0x970/0x970
[  296.224311]  ? preempt_schedule+0x4d/0x60
[  296.228457]  ? preempt_schedule_common+0x1f/0xd0
[  296.233209]  ? preempt_schedule+0x4d/0x60
[  296.237354]  ? ___preempt_schedule+0x16/0x18
[  296.241774]  ? bpf_test_run+0x25d/0x780
[  296.245771]  ? netlink_diag_dump+0x2a0/0x2a0
[  296.250177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.255707]  ? bpf_test_init.isra.9+0x70/0x100
[  296.260290]  ? bpf_prog_test_run_skb+0x634/0xb40
[  296.265125]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  296.270001]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  296.275538]  ? fput+0x130/0x1a0
[  296.278817]  ? __bpf_prog_get+0x9b/0x290
[  296.282879]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  296.287721]  ? bpf_prog_test_run+0x130/0x1a0
[  296.292138]  ? __x64_sys_bpf+0x3d8/0x510
[  296.296196]  ? bpf_prog_get+0x20/0x20
[  296.300008]  ? do_syscall_64+0x1b9/0x820
[  296.304073]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  296.309445]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.314383]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.319400]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  296.324437]  ? recalc_sigpending_tsk+0x180/0x180
[  296.329192]  ? kasan_check_write+0x14/0x20
[  296.333442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.338291]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  296.343663] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  296.343730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.350504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.350508] Call Trace:
[  296.350529]  dump_stack+0x1c4/0x2b4
[  296.350546]  ? dump_stack_print_info.cold.2+0x52/0x52
[  296.357107] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.366398]  warn_alloc.cold.119+0xb7/0x1bd
[  296.368956] syz-executor4 cpuset=
[  296.372579]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.377739] syz4
[  296.388252]  ? lock_downgrade+0x900/0x900
[  296.392545]  mems_allowed=0
[  296.395991]  ? trace_hardirqs_off+0xb8/0x310
[  296.414265]  ? trace_hardirqs_off+0xb8/0x310
[  296.418684]  __alloc_pages_slowpath+0x2667/0x2d80
[  296.423583]  ? mark_held_locks+0x130/0x130
[  296.427822]  ? warn_alloc+0x120/0x120
[  296.431653]  ? warn_alloc+0x120/0x120
[  296.435474]  ? warn_alloc+0x120/0x120
[  296.439275]  ? mark_held_locks+0x130/0x130
[  296.443544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.449081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.454673]  ? should_fail+0x22d/0xd01
[  296.458593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.463694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.469228]  ? should_fail+0x22d/0xd01
[  296.473130]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.478232]  ? should_fail+0x22d/0xd01
[  296.482159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.487300]  ? mark_held_locks+0x130/0x130
[  296.491536]  ? mark_held_locks+0x130/0x130
[  296.495773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.501315]  ? trace_hardirqs_off+0xb8/0x310
[  296.505724]  ? kasan_check_read+0x11/0x20
[  296.509878]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.514284]  ? trace_hardirqs_on+0x310/0x310
[  296.518690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.524224]  ? wq_watchdog_touch+0x9c/0xfe
[  296.528459]  ? io_serial_in+0x11/0x90
[  296.532271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.537828]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.542941]  __alloc_pages_nodemask+0xa80/0xde0
[  296.547612]  ? should_fail+0x22d/0xd01
[  296.551505]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  296.556539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.561209]  ? lock_downgrade+0x900/0x900
[  296.565384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.570928]  cache_grow_begin+0x91/0x8c0
[  296.574994]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.579409]  fallback_alloc+0x203/0x2e0
[  296.583397]  ____cache_alloc_node+0x1c7/0x1e0
[  296.587899]  kmem_cache_alloc_node+0xe3/0x730
[  296.592400]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.596644]  __alloc_skb+0x119/0x770
[  296.600360]  ? skb_scrub_packet+0x490/0x490
[  296.604696]  ? lock_downgrade+0x900/0x900
[  296.608849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.614397]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.619849]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.625301]  ? addrconf_rs_timer+0x690/0x690
[  296.629716]  ndisc_alloc_skb+0x144/0x340
[  296.633780]  ndisc_send_rs+0x331/0x6e0
[  296.637668]  addrconf_rs_timer+0x314/0x690
[  296.641907]  ? lock_release+0x970/0x970
[  296.645882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.650122]  call_timer_fn+0x272/0x920
[  296.654005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.658239]  ? process_timeout+0x40/0x40
[  296.662299]  ? kasan_check_read+0x11/0x20
[  296.666450]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.670860]  ? trace_hardirqs_on+0x310/0x310
[  296.675273]  ? __run_timers+0x7da/0xc70
[  296.679251]  ? lock_downgrade+0x900/0x900
[  296.683410]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.688514]  ? trace_hardirqs_on+0xbd/0x310
[  296.692835]  ? kasan_check_read+0x11/0x20
[  296.696984]  ? __run_timers+0x7da/0xc70
[  296.700956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.706412]  ? kasan_check_write+0x14/0x20
[  296.710654]  ? do_raw_spin_lock+0xc1/0x200
[  296.714904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.719138]  __run_timers+0x7e5/0xc70
[  296.722949]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  296.728313]  ? compat_start_thread+0x80/0x80
[  296.732718]  ? dequeue_entity+0x1770/0x1770
[  296.737073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.742613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.748158]  ? _raw_spin_unlock_irq+0x60/0x80
[  296.752656]  ? finish_task_switch+0x1f5/0x900
[  296.757148]  ? finish_task_switch+0x1b5/0x900
[  296.761651]  ? __switch_to_asm+0x34/0x70
[  296.765717]  ? preempt_notifier_register+0x200/0x200
[  296.770820]  ? __switch_to_asm+0x34/0x70
[  296.774878]  ? __switch_to_asm+0x40/0x70
[  296.778949]  ? __switch_to_asm+0x34/0x70
[  296.783012]  ? __switch_to_asm+0x40/0x70
[  296.787068]  ? __switch_to_asm+0x34/0x70
[  296.791127]  ? __switch_to_asm+0x40/0x70
[  296.795189]  ? __switch_to_asm+0x40/0x70
[  296.799254]  ? pvclock_read_flags+0x160/0x160
[  296.803776]  ? __schedule+0x874/0x1ed0
[  296.807665]  ? run_rebalance_domains+0x38d/0x500
[  296.812430]  ? trace_hardirqs_on+0xbd/0x310
[  296.816750]  ? kvm_sched_clock_read+0x9/0x20
[  296.821172]  ? run_ksoftirqd+0x94/0x100
[  296.825163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.830700]  ? check_preemption_disabled+0x48/0x200
[  296.835731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.841271]  run_timer_softirq+0x52/0xb0
[  296.845331]  ? __this_cpu_preempt_check+0x1c/0x1f
[  296.850172]  __do_softirq+0x30b/0xad8
[  296.853976]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  296.859094]  ? trace_hardirqs_off+0xb8/0x310
[  296.863503]  ? schedule+0x108/0x460
[  296.867175]  ? __schedule+0x1ed0/0x1ed0
[  296.871154]  ? run_ksoftirqd+0x40/0x100
[  296.875162]  ? trace_hardirqs_off+0xb8/0x310
[  296.879571]  ? ___might_sleep+0x1ed/0x300
[  296.883743]  ? smpboot_thread_fn+0x68b/0xa00
[  296.888149]  ? trace_hardirqs_on+0x310/0x310
[  296.892558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.898132]  ? check_preemption_disabled+0x48/0x200
[  296.903176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.908715]  ? takeover_tasklets+0xa90/0xa90
[  296.913123]  run_ksoftirqd+0x94/0x100
[  296.916925]  smpboot_thread_fn+0x68b/0xa00
[  296.921175]  ? sort_range+0x30/0x30
[  296.924805]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.929910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.935449]  ? __kthread_parkme+0xfb/0x1a0
[  296.939699]  kthread+0x35a/0x420
[  296.943062]  ? sort_range+0x30/0x30
[  296.946689]  ? kthread_bind+0x40/0x40
[  296.950507]  ret_from_fork+0x3a/0x50
[  296.954228] warn_alloc_show_mem: 1 callbacks suppressed
[  296.954241] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  296.954243] Mem-Info:
[  296.954274] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  296.954274]  active_file:15 inactive_file:15 isolated_file:0
[  296.954274]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.954274]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  296.954274]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  296.954274]  free:13623 free_pcp:480 free_cma:0
[  296.959611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.966891] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.969307] Call Trace:
[  297.002359] Node 0 
[  297.011737]  <IRQ>
[  297.039519] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  297.042092]  dump_stack+0x1c4/0x2b4
[  297.044386] lowmem_reserve[]:
[  297.046535]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.072113]  0
[  297.075786]  warn_alloc.cold.119+0xb7/0x1bd
[  297.078848]  2819
[  297.084042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.085811]  6323
[  297.090137]  ? lock_downgrade+0x900/0x900
[  297.092166]  6323
[  297.097004]  ? trace_hardirqs_off+0xb8/0x310
[  297.103188]  ? trace_hardirqs_off+0xb8/0x310
[  297.105222] Node 0 
[  297.109630]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.114041] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  297.116285]  ? warn_alloc+0x120/0x120
[  297.121090] lowmem_reserve[]:
[  297.148003]  ? trace_hardirqs_on+0x310/0x310
[  297.151775]  0
[  297.154877]  ? warn_alloc+0x120/0x120
[  297.159251]  0
[  297.161049]  ? warn_alloc+0x120/0x120
[  297.164819]  3503
[  297.166619]  ? ktime_get+0x2e1/0x440
[  297.170401]  3503
[  297.172464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.178215]  ? check_preemption_disabled+0x48/0x200
[  297.183720] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  297.188777]  ? kasan_check_read+0x11/0x20
[  297.188796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.217936] lowmem_reserve[]:
[  297.222146]  ? should_fail+0x22d/0xd01
[  297.227643]  0
[  297.230752]  ? rcu_bh_qs+0xc0/0xc0
[  297.234603]  0
[  297.236427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.239932]  0
[  297.241750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.246822]  0
[  297.248618]  ? should_fail+0x22d/0xd01
[  297.255932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.259790] Node 0 
[  297.264882]  ? should_fail+0x22d/0xd01
[  297.264885] DMA: 1*4kB 
[  297.267155]  ? rcu_idle_enter+0x4b0/0x4b0
[  297.271013] (U) 
[  297.273597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.277709] 0*8kB 0*16kB 
[  297.279694]  ? mark_held_locks+0x130/0x130
[  297.284863] 1*32kB 
[  297.287618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.291822] (U) 
[  297.294072]  ? mark_held_locks+0x130/0x130
[  297.299594] 2*64kB 
[  297.301566]  ? rcu_irq_exit+0xce/0x100
[  297.305771] (U) 
[  297.308005]  ? irq_exit+0xbd/0x1c0
[  297.311864] 1*128kB 
[  297.313837]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  297.317350] (U) 
[  297.319679]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.324682] 1*256kB 
[  297.326654]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.331033] (U) 
[  297.333355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.339208] 0*512kB 
[  297.341213]  ? ret_from_intr+0xb/0x1e
[  297.346720] 1*1024kB 
[  297.349044]  ? retint_kernel+0x2d/0x2d
[  297.352825] (U) 
[  297.355233]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.359095] 1*2048kB 
[  297.361067]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.365965] (M) 
[  297.368379]  ? trace_hardirqs_off+0x310/0x310
[  297.373109] 3*4096kB 
[  297.375083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.379545] (M) 
[  297.381950]  __alloc_pages_nodemask+0xa80/0xde0
[  297.387023] = 15908kB
[  297.388994]  ? should_fail+0x22d/0xd01
[  297.393636] Node 0 
[  297.396053]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  297.399915] DMA32: 
[  297.402160]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.407133] 3*4kB (UM) 
[  297.409397]  ? lock_downgrade+0x900/0x900
[  297.414038] 2*8kB 
[  297.416616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.420730] (UM) 
[  297.422890]  cache_grow_begin+0x91/0x8c0
[  297.428404] 2*16kB 
[  297.430466]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.434517] (M) 
[  297.436949]  fallback_alloc+0x203/0x2e0
[  297.441347] 2*32kB 
[  297.443339]  ____cache_alloc_node+0x1c7/0x1e0
[  297.447278] (M) 4*64kB 
[  297.449516]  kmem_cache_alloc_node+0xe3/0x730
[  297.454000] (M) 
[  297.456627]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.461097] 3*128kB 
[  297.463066]  __alloc_skb+0x119/0x770
[  297.467272] (M) 
[  297.469598]  ? skb_scrub_packet+0x490/0x490
[  297.473285] 4*256kB 
[  297.475256]  ? lock_downgrade+0x900/0x900
[  297.479546] (UM) 
[  297.481895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.486010] 3*512kB 
[  297.488081]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.493587] (M) 
[  297.495902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.501327] 3*1024kB 
[  297.503299]  ? addrconf_rs_timer+0x690/0x690
[  297.508722] (UM) 
[  297.511133]  ndisc_alloc_skb+0x144/0x340
[  297.515506] 3*2048kB 
[  297.517561]  ndisc_send_rs+0x331/0x6e0
[  297.521615] (M) 
[  297.524018]  addrconf_rs_timer+0x314/0x690
[  297.527884] 3*4096kB 
[  297.529886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.534094] (M) 
[  297.536521]  call_timer_fn+0x272/0x920
[  297.540738] = 24828kB
[  297.542707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.546566] Node 0 
[  297.548972]  ? process_timeout+0x40/0x40
[  297.553176] Normal: 
[  297.555412]  ? trace_hardirqs_off+0xb8/0x310
[  297.559463] 1555*4kB 
[  297.561780]  ? kasan_check_read+0x11/0x20
[  297.566173] (UMEH) 
[  297.569111]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.573235] 298*8kB 
[  297.575468]  ? trace_hardirqs_on+0x310/0x310
[  297.579844] (ME) 
[  297.582176]  ? __run_timers+0x7da/0xc70
[  297.586551] 96*16kB 
[  297.588607]  ? lock_downgrade+0x900/0x900
[  297.592549] (ME) 
[  297.594871]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.598987] 43*32kB 
[  297.601042]  ? trace_hardirqs_on+0xbd/0x310
[  297.606115] (UME) 
[  297.608454]  ? kasan_check_read+0x11/0x20
[  297.612745] 31*64kB 
[  297.614902]  ? __run_timers+0x7da/0xc70
[  297.619022] (UM) 
[  297.621341]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.625301] 0*128kB 
[  297.627357]  ? kasan_check_write+0x14/0x20
[  297.632783] 1*256kB 
[  297.635107]  ? do_raw_spin_lock+0xc1/0x200
[  297.639331] (U) 
[  297.641646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.641665]  __run_timers+0x7e5/0xc70
[  297.645873] 0*512kB 
[  297.647848]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  297.652045] 0*1024kB 0*2048kB 
[  297.655847]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.658137] 0*4096kB = 13756kB
[  297.663506]  ? timerqueue_add+0x207/0x2b0
[  297.666679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.671694]  ? enqueue_hrtimer+0x1a5/0x560
[  297.674866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.679005]  ? lock_release+0x970/0x970
[  297.687814] 3632 total pagecache pages
[  297.692040]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  297.700584] 0 pages in swap cache
[  297.704559]  ? kasan_check_write+0x14/0x20
[  297.708419] Swap cache stats: add 0, delete 0, find 0/0
[  297.713599]  ? pvclock_read_flags+0x160/0x160
[  297.717021] Free swap  = 0kB
[  297.721248]  ? lock_downgrade+0x900/0x900
[  297.726584] Total swap = 0kB
[  297.731076]  ? trace_hardirqs_on+0xbd/0x310
[  297.734062] 1965979 pages RAM
[  297.738207]  ? kvm_sched_clock_read+0x9/0x20
[  297.741210] 0 pages HighMem/MovableOnly
[  297.745525]  ? irq_exit+0x17f/0x1c0
[  297.748621] 342307 pages reserved
[  297.753023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.756971] 0 pages cma reserved
[  297.760593]  ? check_preemption_disabled+0x48/0x200
[  297.764081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.769538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.769562]  run_timer_softirq+0x52/0xb0
[  297.772959] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.777914]  ? __this_cpu_preempt_check+0x1c/0x1f
[  297.784382] ksoftirqd/0 cpuset=
[  297.789910]  __do_softirq+0x30b/0xad8
[  297.793940] /
[  297.804265]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  297.809083]  mems_allowed=0
[  297.812358]  ? pvclock_read_flags+0x160/0x160
[  297.830384]  ? lapic_next_event+0x5a/0x90
[  297.834552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.840092]  ? clockevents_program_event+0x140/0x370
[  297.845200]  ? kvm_clock_read+0x18/0x30
[  297.849174]  ? kvm_sched_clock_read+0x9/0x20
[  297.853581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.859124]  ? check_preemption_disabled+0x48/0x200
[  297.864164]  irq_exit+0x17f/0x1c0
[  297.867617]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.872460]  ? smp_reschedule_interrupt+0x109/0x650
[  297.877481]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.883376]  ? interrupt_entry+0xb5/0xf0
[  297.887441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.892454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.897498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.902383]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.907399]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.912421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.917964]  ? check_preemption_disabled+0x48/0x200
[  297.922979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.928521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.933375]  apic_timer_interrupt+0xf/0x20
[  297.937604]  </IRQ>
[  297.939851] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.944780] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  297.963686] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.971443] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  297.978710] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  297.985978] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  297.993242] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  298.000513] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  298.007804]  ? trace_hardirqs_on+0xb4/0x310
[  298.012144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.017694]  skb_clone+0x1bb/0x500
[  298.021237]  ? finish_task_switch+0x2f5/0x900
[  298.025764]  ? skb_split+0x11e0/0x11e0
[  298.029654]  ? preempt_notifier_register+0x200/0x200
[  298.034760]  ? __switch_to_asm+0x34/0x70
[  298.038822]  ? __switch_to_asm+0x34/0x70
[  298.042886]  ? __switch_to_asm+0x40/0x70
[  298.046948]  ? __switch_to_asm+0x34/0x70
[  298.051008]  ? __switch_to_asm+0x40/0x70
[  298.055068]  ? __switch_to_asm+0x34/0x70
[  298.059161]  ? __switch_to_asm+0x40/0x70
[  298.063265]  ? __switch_to_asm+0x34/0x70
[  298.067340]  ? __switch_to_asm+0x34/0x70
[  298.071407]  ? __switch_to_asm+0x40/0x70
[  298.075465]  ? __switch_to_asm+0x34/0x70
[  298.079537]  bpf_clone_redirect+0xb9/0x490
[  298.083776]  ? __schedule+0x874/0x1ed0
[  298.087685]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  298.092705]  ? __sched_text_start+0x8/0x8
[  298.096854]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.101614]  ? retint_kernel+0x2d/0x2d
[  298.105529]  ? lock_acquire+0x1ed/0x520
[  298.109505]  ? bpf_test_run+0x3cb/0x780
[  298.113485]  ? lock_release+0x970/0x970
[  298.117457]  ? preempt_schedule+0x4d/0x60
[  298.121641]  ? preempt_schedule_common+0x1f/0xd0
[  298.126421]  ? preempt_schedule+0x4d/0x60
[  298.130569]  ? ___preempt_schedule+0x16/0x18
[  298.134982]  ? bpf_test_run+0x25d/0x780
[  298.138966]  ? netlink_diag_dump+0x2a0/0x2a0
[  298.143388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.148929]  ? bpf_test_init.isra.9+0x70/0x100
[  298.153527]  ? bpf_prog_test_run_skb+0x634/0xb40
[  298.158289]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  298.163139]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.168676]  ? fput+0x130/0x1a0
[  298.171959]  ? __bpf_prog_get+0x9b/0x290
[  298.176019]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  298.180864]  ? bpf_prog_test_run+0x130/0x1a0
[  298.185277]  ? __x64_sys_bpf+0x3d8/0x510
[  298.189337]  ? bpf_prog_get+0x20/0x20
[  298.193167]  ? do_syscall_64+0x1b9/0x820
[  298.197233]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  298.202607]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.207541]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.212563]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  298.217580]  ? recalc_sigpending_tsk+0x180/0x180
[  298.222341]  ? kasan_check_write+0x14/0x20
[  298.226679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.231705]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  298.237102] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  298.237187] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.243948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.250532] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.259762] Call Trace:
[  298.270231] syz-executor4 cpuset=syz4
[  298.272868]  dump_stack+0x1c4/0x2b4
[  298.272873]  mems_allowed=0
[  298.283325]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.288525]  warn_alloc.cold.119+0xb7/0x1bd
[  298.292874]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.297719]  ? lock_downgrade+0x900/0x900
[  298.301887]  ? trace_hardirqs_off+0xb8/0x310
[  298.306299]  ? trace_hardirqs_off+0xb8/0x310
[  298.310717]  __alloc_pages_slowpath+0x2667/0x2d80
[  298.315589]  ? mark_held_locks+0x130/0x130
[  298.319874]  ? warn_alloc+0x120/0x120
[  298.323678]  ? warn_alloc+0x120/0x120
[  298.327475]  ? warn_alloc+0x120/0x120
[  298.331278]  ? mark_held_locks+0x130/0x130
[  298.335547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.341080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.346618]  ? should_fail+0x22d/0xd01
[  298.350510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.355616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.361159]  ? should_fail+0x22d/0xd01
[  298.365048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.370150]  ? should_fail+0x22d/0xd01
[  298.374040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.379148]  ? mark_held_locks+0x130/0x130
[  298.383392]  ? mark_held_locks+0x130/0x130
[  298.387641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.393196]  ? trace_hardirqs_off+0xb8/0x310
[  298.397603]  ? kasan_check_read+0x11/0x20
[  298.401753]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.406172]  ? trace_hardirqs_on+0x310/0x310
[  298.410581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.416116]  ? wq_watchdog_touch+0x9c/0xfe
[  298.420349]  ? io_serial_in+0x11/0x90
[  298.424170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.429713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.434837]  __alloc_pages_nodemask+0xa80/0xde0
[  298.439504]  ? should_fail+0x22d/0xd01
[  298.443395]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.448444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.453127]  ? lock_downgrade+0x900/0x900
[  298.457295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.462837]  cache_grow_begin+0x91/0x8c0
[  298.466900]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.471309]  fallback_alloc+0x203/0x2e0
[  298.475282]  ____cache_alloc_node+0x1c7/0x1e0
[  298.479798]  kmem_cache_alloc_node+0xe3/0x730
[  298.484295]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.488536]  __alloc_skb+0x119/0x770
[  298.492252]  ? skb_scrub_packet+0x490/0x490
[  298.496572]  ? lock_downgrade+0x900/0x900
[  298.500745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.506281]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.511734]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.517183]  ? addrconf_rs_timer+0x690/0x690
[  298.521595]  ndisc_alloc_skb+0x144/0x340
[  298.525695]  ndisc_send_rs+0x331/0x6e0
[  298.529602]  addrconf_rs_timer+0x314/0x690
[  298.533855]  ? lock_release+0x970/0x970
[  298.537828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.542073]  call_timer_fn+0x272/0x920
[  298.545964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.550233]  ? process_timeout+0x40/0x40
[  298.554298]  ? kasan_check_read+0x11/0x20
[  298.558473]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.562885]  ? trace_hardirqs_on+0x310/0x310
[  298.567296]  ? __run_timers+0x7da/0xc70
[  298.571273]  ? lock_downgrade+0x900/0x900
[  298.575428]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.580705]  ? trace_hardirqs_on+0xbd/0x310
[  298.585028]  ? kasan_check_read+0x11/0x20
[  298.589176]  ? __run_timers+0x7da/0xc70
[  298.593152]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.598616]  ? kasan_check_write+0x14/0x20
[  298.602871]  ? do_raw_spin_lock+0xc1/0x200
[  298.607108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.611340]  __run_timers+0x7e5/0xc70
[  298.615184]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.620573]  ? compat_start_thread+0x80/0x80
[  298.624979]  ? dequeue_entity+0x1770/0x1770
[  298.629302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.634838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.640385]  ? _raw_spin_unlock_irq+0x60/0x80
[  298.644880]  ? finish_task_switch+0x1f5/0x900
[  298.649390]  ? finish_task_switch+0x1b5/0x900
[  298.653883]  ? __switch_to_asm+0x34/0x70
[  298.657945]  ? preempt_notifier_register+0x200/0x200
[  298.663066]  ? __switch_to_asm+0x34/0x70
[  298.667126]  ? __switch_to_asm+0x40/0x70
[  298.671198]  ? __switch_to_asm+0x34/0x70
[  298.675280]  ? __switch_to_asm+0x40/0x70
[  298.679336]  ? __switch_to_asm+0x34/0x70
[  298.683415]  ? __switch_to_asm+0x40/0x70
[  298.687475]  ? __switch_to_asm+0x40/0x70
[  298.691537]  ? pvclock_read_flags+0x160/0x160
[  298.696026]  ? __schedule+0x874/0x1ed0
[  298.699940]  ? run_rebalance_domains+0x38d/0x500
[  298.704702]  ? trace_hardirqs_on+0xbd/0x310
[  298.709034]  ? kvm_sched_clock_read+0x9/0x20
[  298.713437]  ? run_ksoftirqd+0x94/0x100
[  298.717439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.722996]  ? check_preemption_disabled+0x48/0x200
[  298.728011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.733554]  run_timer_softirq+0x52/0xb0
[  298.737613]  ? __this_cpu_preempt_check+0x1c/0x1f
[  298.742455]  __do_softirq+0x30b/0xad8
[  298.746259]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.751360]  ? trace_hardirqs_off+0xb8/0x310
[  298.755793]  ? schedule+0x108/0x460
[  298.759416]  ? __schedule+0x1ed0/0x1ed0
[  298.763394]  ? run_ksoftirqd+0x40/0x100
[  298.767366]  ? trace_hardirqs_off+0xb8/0x310
[  298.771798]  ? ___might_sleep+0x1ed/0x300
[  298.775961]  ? smpboot_thread_fn+0x68b/0xa00
[  298.780375]  ? trace_hardirqs_on+0x310/0x310
[  298.784801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.790376]  ? check_preemption_disabled+0x48/0x200
[  298.795400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.800936]  ? takeover_tasklets+0xa90/0xa90
[  298.805345]  run_ksoftirqd+0x94/0x100
[  298.809205]  smpboot_thread_fn+0x68b/0xa00
[  298.813456]  ? sort_range+0x30/0x30
[  298.817084]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.822188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.827783]  ? __kthread_parkme+0xfb/0x1a0
[  298.832080]  kthread+0x35a/0x420
[  298.835460]  ? sort_range+0x30/0x30
[  298.839081]  ? kthread_bind+0x40/0x40
[  298.842880]  ret_from_fork+0x3a/0x50
[  298.846617] warn_alloc_show_mem: 1 callbacks suppressed
[  298.846629] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  298.846638] Mem-Info:
[  298.851997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.859277] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  298.859277]  active_file:15 inactive_file:15 isolated_file:0
[  298.859277]  unevictable:0 dirty:0 writeback:0 unstable:0
[  298.859277]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  298.859277]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  298.859277]  free:13623 free_pcp:480 free_cma:0
[  298.861644] Call Trace:
[  298.871029] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  298.904074]  <IRQ>
[  298.906649] Node 0 
[  298.934425]  dump_stack+0x1c4/0x2b4
[  298.936583] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  298.938788]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.942394] lowmem_reserve[]:
[  298.967914]  warn_alloc.cold.119+0xb7/0x1bd
[  298.973071]  0
[  298.976183]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.980475]  2819
[  298.982272]  ? lock_downgrade+0x900/0x900
[  298.987085]  6323
[  298.989145]  ? trace_hardirqs_off+0xb8/0x310
[  298.993261]  6323
[  298.995319]  ? trace_hardirqs_off+0xb8/0x310
[  299.001758]  __alloc_pages_slowpath+0x2667/0x2d80
[  299.006135] Node 0 DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  299.010994]  ? warn_alloc+0x120/0x120
[  299.038462] lowmem_reserve[]: 0
[  299.042271]  ? trace_hardirqs_on+0x310/0x310
[  299.042288]  ? warn_alloc+0x120/0x120
[  299.045541]  0
[  299.049958]  ? warn_alloc+0x120/0x120
[  299.053734]  3503
[  299.055548]  ? ktime_get+0x2e1/0x440
[  299.059318]  3503
[  299.061388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.067158]  ? check_preemption_disabled+0x48/0x200
[  299.072658] Node 0 
[  299.077685]  ? kasan_check_read+0x11/0x20
[  299.077716] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  299.077723] lowmem_reserve[]:
[  299.079954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.084080]  0
[  299.112625]  ? should_fail+0x22d/0xd01
[  299.115706]  0
[  299.121241]  ? rcu_bh_qs+0xc0/0xc0
[  299.123014]  0
[  299.126894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.128672]  0
[  299.132207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.139094]  ? should_fail+0x22d/0xd01
[  299.140871] Node 0 
[  299.146409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.150266] DMA: 
[  299.152497]  ? should_fail+0x22d/0xd01
[  299.157572] 1*4kB 
[  299.159630]  ? rcu_idle_enter+0x4b0/0x4b0
[  299.163490] (U) 
[  299.165633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.169754] 0*8kB 
[  299.171719]  ? mark_held_locks+0x130/0x130
[  299.176808] 0*16kB 
[  299.178964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.183167] 1*32kB 
[  299.185402]  ? mark_held_locks+0x130/0x130
[  299.190911] (U) 
[  299.193146]  ? rcu_irq_exit+0xce/0x100
[  299.197399] 2*64kB 
[  299.199390]  ? irq_exit+0xbd/0x1c0
[  299.203246] (U) 
[  299.205482]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  299.208998] 1*128kB 
[  299.210969]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.215955] (U) 
[  299.218271]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.222658] 1*256kB 
[  299.224631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.230490] (U) 
[  299.232807]  ? ret_from_intr+0xb/0x1e
[  299.238313] 0*512kB 
[  299.240280]  ? retint_kernel+0x2d/0x2d
[  299.244053] 1*1024kB 
[  299.246379]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.250238] (U) 
[  299.252646]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.252661]  ? trace_hardirqs_off+0x310/0x310
[  299.257568] 1*2048kB 
[  299.259553]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.264279] (M) 
[  299.268784]  __alloc_pages_nodemask+0xa80/0xde0
[  299.271180] 3*4096kB 
[  299.276277]  ? should_fail+0x22d/0xd01
[  299.278229] (M) 
[  299.282890]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.285273] = 15908kB
[  299.289168]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.291108] Node 0 
[  299.296172]  ? lock_downgrade+0x900/0x900
[  299.298549] DMA32: 
[  299.303227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.305437] 3*4kB 
[  299.309584]  cache_grow_begin+0x91/0x8c0
[  299.311813] (UM) 
[  299.317343]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.319468] 2*8kB 
[  299.323516]  fallback_alloc+0x203/0x2e0
[  299.325552] (UM) 
[  299.329948]  ____cache_alloc_node+0x1c7/0x1e0
[  299.332076] 2*16kB 
[  299.336054]  kmem_cache_alloc_node+0xe3/0x730
[  299.338093] (M) 
[  299.342584]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.344796] 2*32kB 
[  299.349284]  __alloc_skb+0x119/0x770
[  299.351230] (M) 
[  299.355455]  ? skb_scrub_packet+0x490/0x490
[  299.357665] 4*64kB 
[  299.361394]  ? lock_downgrade+0x900/0x900
[  299.363342] (M) 
[  299.367657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.369878] 3*128kB 
[  299.374022]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.375968] (M) 
[  299.381499]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.383813] 4*256kB 
[  299.389255]  ? addrconf_rs_timer+0x690/0x690
[  299.391207] (UM) 
[  299.396654]  ndisc_alloc_skb+0x144/0x340
[  299.398954] 3*512kB 
[  299.403350]  ndisc_send_rs+0x331/0x6e0
[  299.405392] (M) 
[  299.409442]  addrconf_rs_timer+0x314/0x690
[  299.411738] 3*1024kB (UM) 
[  299.415632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.417584] 3*2048kB (M) 
[  299.421837]  call_timer_fn+0x272/0x920
[  299.424652] 3*4096kB 
[  299.428875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.431610] (M) 
[  299.435640]  ? process_timeout+0x40/0x40
[  299.438034] = 24828kB
[  299.442273]  ? trace_hardirqs_off+0xb8/0x310
[  299.444217] Node 0 
[  299.448267]  ? kasan_check_read+0x11/0x20
[  299.450647] Normal: 
[  299.455062]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.457271] 1555*4kB 
[  299.461406]  ? trace_hardirqs_on+0x310/0x310
[  299.463703] (UMEH) 
[  299.468105]  ? __run_timers+0x7da/0xc70
[  299.470488] 298*8kB 
[  299.474908]  ? lock_downgrade+0x900/0x900
[  299.477116] (ME) 
[  299.481088]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.483387] 96*16kB 
[  299.487535]  ? trace_hardirqs_on+0xbd/0x310
[  299.489598] (ME) 
[  299.494695]  ? kasan_check_read+0x11/0x20
[  299.496991] 43*32kB 
[  299.501304]  ? __run_timers+0x7da/0xc70
[  299.503335] (UME) 
[  299.507495]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.509824] 31*64kB 
[  299.513813]  ? kasan_check_write+0x14/0x20
[  299.515950] (UM) 
[  299.521431]  ? do_raw_spin_lock+0xc1/0x200
[  299.523737] 0*128kB 
[  299.527964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.529999] 1*256kB 
[  299.534229]  __run_timers+0x7e5/0xc70
[  299.536521] (U) 
[  299.540765]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  299.543080] 0*512kB 
[  299.546871]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.548819] 0*1024kB 
[  299.554185]  ? timerqueue_add+0x207/0x2b0
[  299.556480] 0*2048kB 
[  299.561490]  ? enqueue_hrtimer+0x1a5/0x560
[  299.563878] 0*4096kB 
[  299.568499]  ? lock_release+0x970/0x970
[  299.570885] = 13756kB
[  299.575109]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.577499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  299.581458]  ? kasan_check_write+0x14/0x20
[  299.583841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  299.589015]  ? pvclock_read_flags+0x160/0x160
[  299.597832] 3632 total pagecache pages
[  299.602053]  ? lock_downgrade+0x900/0x900
[  299.610597] 0 pages in swap cache
[  299.615086]  ? trace_hardirqs_on+0xbd/0x310
[  299.618944] Swap cache stats: add 0, delete 0, find 0/0
[  299.623100]  ? kvm_sched_clock_read+0x9/0x20
[  299.626522] Free swap  = 0kB
[  299.630864]  ? irq_exit+0x17f/0x1c0
[  299.636200] Total swap = 0kB
[  299.640602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.643590] 1965979 pages RAM
[  299.647214]  ? check_preemption_disabled+0x48/0x200
[  299.650202] 0 pages HighMem/MovableOnly
[  299.655732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.658813] 342307 pages reserved
[  299.663822]  run_timer_softirq+0x52/0xb0
[  299.667765] 0 pages cma reserved
[  299.673297]  ? __this_cpu_preempt_check+0x1c/0x1f
[  299.676809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.680773]  __do_softirq+0x30b/0xad8
[  299.684181] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.688950]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  299.695430] ksoftirqd/0 cpuset=
[  299.699223]  ? pvclock_read_flags+0x160/0x160
[  299.709504] /
[  299.714616]  ? lapic_next_event+0x5a/0x90
[  299.717895]  mems_allowed=0
[  299.722390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.736657]  ? clockevents_program_event+0x140/0x370
[  299.741808]  ? kvm_clock_read+0x18/0x30
[  299.745783]  ? kvm_sched_clock_read+0x9/0x20
[  299.750191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.755730]  ? check_preemption_disabled+0x48/0x200
[  299.760754]  irq_exit+0x17f/0x1c0
[  299.764206]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.769061]  ? smp_reschedule_interrupt+0x109/0x650
[  299.774082]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.779965]  ? interrupt_entry+0xb5/0xf0
[  299.784025]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.789037]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.794051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.798892]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.803904]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.808923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.814461]  ? check_preemption_disabled+0x48/0x200
[  299.819479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.825042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.829886]  apic_timer_interrupt+0xf/0x20
[  299.834110]  </IRQ>
[  299.836353] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  299.841292] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  299.860195] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  299.867918] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  299.875186] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  299.882450] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  299.889717] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  299.897003] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  299.904302]  ? trace_hardirqs_on+0xb4/0x310
[  299.908632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.914175]  skb_clone+0x1bb/0x500
[  299.917717]  ? finish_task_switch+0x2f5/0x900
[  299.922215]  ? skb_split+0x11e0/0x11e0
[  299.926105]  ? preempt_notifier_register+0x200/0x200
[  299.931211]  ? __switch_to_asm+0x34/0x70
[  299.935289]  ? __switch_to_asm+0x34/0x70
[  299.939344]  ? __switch_to_asm+0x40/0x70
[  299.943412]  ? __switch_to_asm+0x34/0x70
[  299.947483]  ? __switch_to_asm+0x40/0x70
[  299.951539]  ? __switch_to_asm+0x34/0x70
[  299.955595]  ? __switch_to_asm+0x40/0x70
[  299.959725]  ? __switch_to_asm+0x34/0x70
[  299.963787]  ? __switch_to_asm+0x34/0x70
[  299.967847]  ? __switch_to_asm+0x40/0x70
[  299.971904]  ? __switch_to_asm+0x34/0x70
[  299.975970]  bpf_clone_redirect+0xb9/0x490
[  299.980216]  ? __schedule+0x874/0x1ed0
[  299.984108]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  299.989149]  ? __sched_text_start+0x8/0x8
[  299.993295]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.998056]  ? retint_kernel+0x2d/0x2d
[  300.001983]  ? lock_acquire+0x1ed/0x520
[  300.005957]  ? bpf_test_run+0x3cb/0x780
[  300.009936]  ? lock_release+0x970/0x970
[  300.013909]  ? preempt_schedule+0x4d/0x60
[  300.018059]  ? preempt_schedule_common+0x1f/0xd0
[  300.022812]  ? preempt_schedule+0x4d/0x60
[  300.026962]  ? ___preempt_schedule+0x16/0x18
[  300.031383]  ? bpf_test_run+0x25d/0x780
[  300.035396]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.039808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.045342]  ? bpf_test_init.isra.9+0x70/0x100
[  300.049945]  ? bpf_prog_test_run_skb+0x634/0xb40
[  300.054706]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.059547]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.065086]  ? fput+0x130/0x1a0
[  300.068366]  ? __bpf_prog_get+0x9b/0x290
[  300.072436]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.077274]  ? bpf_prog_test_run+0x130/0x1a0
[  300.081683]  ? __x64_sys_bpf+0x3d8/0x510
[  300.085743]  ? bpf_prog_get+0x20/0x20
[  300.089558]  ? do_syscall_64+0x1b9/0x820
[  300.093619]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.098985]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.103916]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.108934]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.113953]  ? recalc_sigpending_tsk+0x180/0x180
[  300.118713]  ? kasan_check_write+0x14/0x20
[  300.122953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.127802]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.133180] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  300.133252] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.140017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.140022] Call Trace:
[  300.140044]  dump_stack+0x1c4/0x2b4
[  300.140060]  ? dump_stack_print_info.cold.2+0x52/0x52
[  300.146608] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.155890]  warn_alloc.cold.119+0xb7/0x1bd
[  300.158443] syz-executor4 cpuset=
[  300.162060]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.167222] syz4
[  300.177703]  ? lock_downgrade+0x900/0x900
[  300.182000]  mems_allowed=0
[  300.185446]  ? trace_hardirqs_off+0xb8/0x310
[  300.203689]  ? trace_hardirqs_off+0xb8/0x310
[  300.208103]  __alloc_pages_slowpath+0x2667/0x2d80
[  300.212961]  ? mark_held_locks+0x130/0x130
[  300.217196]  ? warn_alloc+0x120/0x120
[  300.221001]  ? warn_alloc+0x120/0x120
[  300.224804]  ? warn_alloc+0x120/0x120
[  300.228654]  ? mark_held_locks+0x130/0x130
[  300.232915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.238464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.244027]  ? should_fail+0x22d/0xd01
[  300.247913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.253011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.258547]  ? should_fail+0x22d/0xd01
[  300.262438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.267538]  ? should_fail+0x22d/0xd01
[  300.271430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.276533]  ? mark_held_locks+0x130/0x130
[  300.280785]  ? mark_held_locks+0x130/0x130
[  300.285019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.290555]  ? trace_hardirqs_off+0xb8/0x310
[  300.294976]  ? kasan_check_read+0x11/0x20
[  300.299141]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.303564]  ? trace_hardirqs_on+0x310/0x310
[  300.307985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.313534]  ? wq_watchdog_touch+0x9c/0xfe
[  300.317771]  ? io_serial_in+0x11/0x90
[  300.321588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.327130]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.332245]  __alloc_pages_nodemask+0xa80/0xde0
[  300.336914]  ? should_fail+0x22d/0xd01
[  300.340832]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  300.345862]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.350534]  ? lock_downgrade+0x900/0x900
[  300.354686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.360224]  cache_grow_begin+0x91/0x8c0
[  300.364285]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.368715]  fallback_alloc+0x203/0x2e0
[  300.372696]  ____cache_alloc_node+0x1c7/0x1e0
[  300.377278]  kmem_cache_alloc_node+0xe3/0x730
[  300.381785]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.386023]  __alloc_skb+0x119/0x770
[  300.389750]  ? skb_scrub_packet+0x490/0x490
[  300.394068]  ? lock_downgrade+0x900/0x900
[  300.398220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.403790]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.409241]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.414709]  ? addrconf_rs_timer+0x690/0x690
[  300.419123]  ndisc_alloc_skb+0x144/0x340
[  300.423201]  ndisc_send_rs+0x331/0x6e0
[  300.427101]  addrconf_rs_timer+0x314/0x690
[  300.431331]  ? lock_release+0x970/0x970
[  300.435302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.439558]  call_timer_fn+0x272/0x920
[  300.443442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.447691]  ? process_timeout+0x40/0x40
[  300.451752]  ? kasan_check_read+0x11/0x20
[  300.455919]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.460326]  ? trace_hardirqs_on+0x310/0x310
[  300.464736]  ? __run_timers+0x7da/0xc70
[  300.468713]  ? lock_downgrade+0x900/0x900
[  300.472875]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.477980]  ? trace_hardirqs_on+0xbd/0x310
[  300.482302]  ? kasan_check_read+0x11/0x20
[  300.486448]  ? __run_timers+0x7da/0xc70
[  300.490421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.495871]  ? kasan_check_write+0x14/0x20
[  300.500119]  ? do_raw_spin_lock+0xc1/0x200
[  300.504357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.508598]  __run_timers+0x7e5/0xc70
[  300.512427]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  300.517788]  ? compat_start_thread+0x80/0x80
[  300.522194]  ? dequeue_entity+0x1770/0x1770
[  300.526534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.532070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.537612]  ? _raw_spin_unlock_irq+0x60/0x80
[  300.542111]  ? finish_task_switch+0x1f5/0x900
[  300.546607]  ? finish_task_switch+0x1b5/0x900
[  300.551107]  ? __switch_to_asm+0x34/0x70
[  300.555166]  ? preempt_notifier_register+0x200/0x200
[  300.560268]  ? __switch_to_asm+0x34/0x70
[  300.564326]  ? __switch_to_asm+0x40/0x70
[  300.568388]  ? __switch_to_asm+0x34/0x70
[  300.572447]  ? __switch_to_asm+0x40/0x70
[  300.576508]  ? __switch_to_asm+0x34/0x70
[  300.580569]  ? __switch_to_asm+0x40/0x70
[  300.584627]  ? __switch_to_asm+0x40/0x70
[  300.588704]  ? pvclock_read_flags+0x160/0x160
[  300.593198]  ? __schedule+0x874/0x1ed0
[  300.597100]  ? run_rebalance_domains+0x38d/0x500
[  300.601877]  ? trace_hardirqs_on+0xbd/0x310
[  300.606198]  ? kvm_sched_clock_read+0x9/0x20
[  300.610607]  ? run_ksoftirqd+0x94/0x100
[  300.614590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.620129]  ? check_preemption_disabled+0x48/0x200
[  300.625141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.630685]  run_timer_softirq+0x52/0xb0
[  300.634746]  ? __this_cpu_preempt_check+0x1c/0x1f
[  300.639585]  __do_softirq+0x30b/0xad8
[  300.643394]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.648492]  ? trace_hardirqs_off+0xb8/0x310
[  300.652901]  ? schedule+0x108/0x460
[  300.656528]  ? __schedule+0x1ed0/0x1ed0
[  300.660514]  ? run_ksoftirqd+0x40/0x100
[  300.664485]  ? trace_hardirqs_off+0xb8/0x310
[  300.668893]  ? ___might_sleep+0x1ed/0x300
[  300.673066]  ? smpboot_thread_fn+0x68b/0xa00
[  300.677469]  ? trace_hardirqs_on+0x310/0x310
[  300.681875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.687442]  ? check_preemption_disabled+0x48/0x200
[  300.692451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.697988]  ? takeover_tasklets+0xa90/0xa90
[  300.702403]  run_ksoftirqd+0x94/0x100
[  300.706205]  smpboot_thread_fn+0x68b/0xa00
[  300.710436]  ? sort_range+0x30/0x30
[  300.714060]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.719157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.724690]  ? __kthread_parkme+0xfb/0x1a0
[  300.728955]  kthread+0x35a/0x420
[  300.732332]  ? sort_range+0x30/0x30
[  300.735949]  ? kthread_bind+0x40/0x40
[  300.739747]  ret_from_fork+0x3a/0x50
[  300.743477] warn_alloc_show_mem: 1 callbacks suppressed
[  300.743489] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  300.743491] Mem-Info:
[  300.743550] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  300.743550]  active_file:15 inactive_file:15 isolated_file:0
[  300.743550]  unevictable:0 dirty:0 writeback:0 unstable:0
[  300.743550]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  300.743550]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  300.743550]  free:13623 free_pcp:480 free_cma:0
[  300.748885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.756170] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  300.758566] Call Trace:
[  300.791598] Node 0 
[  300.800947]  <IRQ>
[  300.828711] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  300.831269]  dump_stack+0x1c4/0x2b4
[  300.833469] lowmem_reserve[]:
[  300.835611]  ? dump_stack_print_info.cold.2+0x52/0x52
[  300.861085]  0
[  300.864709]  warn_alloc.cold.119+0xb7/0x1bd
[  300.867785]  2819
[  300.872967]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.874744]  6323
[  300.879059]  ? lock_downgrade+0x900/0x900
[  300.881095]  6323
[  300.885932]  ? trace_hardirqs_off+0xb8/0x310
[  300.892103]  ? trace_hardirqs_off+0xb8/0x310
[  300.894158] Node 0 
[  300.898559]  __alloc_pages_slowpath+0x2667/0x2d80
[  300.902966] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  300.905186]  ? warn_alloc+0x120/0x120
[  300.909989] lowmem_reserve[]:
[  300.936893]  ? trace_hardirqs_on+0x310/0x310
[  300.940666]  0
[  300.943781]  ? warn_alloc+0x120/0x120
[  300.948163]  0
[  300.949960]  ? warn_alloc+0x120/0x120
[  300.953735]  3503
[  300.955531]  ? ktime_get+0x2e1/0x440
[  300.959304]  3503
[  300.961363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.967156]  ? check_preemption_disabled+0x48/0x200
[  300.972653] Node 0 
[  300.977659]  ? kasan_check_read+0x11/0x20
[  300.977690] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  300.977697] lowmem_reserve[]:
[  300.979928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.984049]  0
[  301.012598]  ? should_fail+0x22d/0xd01
[  301.015675]  0
[  301.021203]  ? rcu_bh_qs+0xc0/0xc0
[  301.022978]  0
[  301.026878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.028674]  0
[  301.032221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.039091]  ? should_fail+0x22d/0xd01
[  301.040866] Node 0 
[  301.046398]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.050260] DMA: 
[  301.052505]  ? should_fail+0x22d/0xd01
[  301.057583] 1*4kB 
[  301.059659]  ? rcu_idle_enter+0x4b0/0x4b0
[  301.063516] (U) 
[  301.065670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.069808] 0*8kB 
[  301.071779]  ? mark_held_locks+0x130/0x130
[  301.076854] 0*16kB 
[  301.078997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.083206] 1*32kB 
[  301.085437]  ? mark_held_locks+0x130/0x130
[  301.090946] (U) 
[  301.093173]  ? rcu_irq_exit+0xce/0x100
[  301.097385] 2*64kB 
[  301.099359]  ? irq_exit+0xbd/0x1c0
[  301.103224] (U) 
[  301.105455]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  301.108983] 1*128kB 
[  301.110953]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.115965] (U) 
[  301.118282]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.122663] 1*256kB 
[  301.124646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.124665]  ? ret_from_intr+0xb/0x1e
[  301.130520] (U) 
[  301.132833]  ? retint_kernel+0x2d/0x2d
[  301.138341] 0*512kB 
[  301.142138]  ? trace_hardirqs_on_caller+0xc0/0x310
[  301.144080] 1*1024kB 
[  301.147958]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.150251] (U) 
[  301.155172]  ? trace_hardirqs_off+0x310/0x310
[  301.157559] 1*2048kB 
[  301.162306]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.164252] (M) 
[  301.168744]  __alloc_pages_nodemask+0xa80/0xde0
[  301.171127] 3*4096kB 
[  301.176227]  ? should_fail+0x22d/0xd01
[  301.178178] (M) 
[  301.182835]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.185219] = 15908kB
[  301.189104]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.191043] Node 0 
[  301.196068]  ? lock_downgrade+0x900/0x900
[  301.198474] DMA32: 
[  301.203137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.205346] 3*4kB 
[  301.209512]  cache_grow_begin+0x91/0x8c0
[  301.211723] (UM) 
[  301.217257]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.219402] 2*8kB 
[  301.223452]  fallback_alloc+0x203/0x2e0
[  301.225484] (UM) 
[  301.229883]  ____cache_alloc_node+0x1c7/0x1e0
[  301.232006] 2*16kB 
[  301.235973]  kmem_cache_alloc_node+0xe3/0x730
[  301.238010] (M) 
[  301.242510]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.244738] 2*32kB 
[  301.249225]  __alloc_skb+0x119/0x770
[  301.251173] (M) 
[  301.255405]  ? skb_scrub_packet+0x490/0x490
[  301.257620] 4*64kB 
[  301.261328]  ? lock_downgrade+0x900/0x900
[  301.263277] (M) 
[  301.267590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.269815] 3*128kB 
[  301.273958]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.275904] (M) 
[  301.281432]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.283752] 4*256kB 
[  301.289193]  ? addrconf_rs_timer+0x690/0x690
[  301.291143] (UM) 
[  301.296586]  ndisc_alloc_skb+0x144/0x340
[  301.298881] 3*512kB 
[  301.303280]  ndisc_send_rs+0x331/0x6e0
[  301.305320] (M) 
[  301.309380]  addrconf_rs_timer+0x314/0x690
[  301.311682] 3*1024kB 
[  301.315559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.317512] (UM) 
[  301.321744]  call_timer_fn+0x272/0x920
[  301.324121] 3*2048kB 
[  301.328345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.330388] (M) 
[  301.334265]  ? process_timeout+0x40/0x40
[  301.336653] 3*4096kB 
[  301.340895]  ? trace_hardirqs_off+0xb8/0x310
[  301.342870] (M) 
[  301.346941]  ? kasan_check_read+0x11/0x20
[  301.349320] = 24828kB
[  301.353720]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.355671] Node 0 
[  301.359812]  ? trace_hardirqs_on+0x310/0x310
[  301.362199] Normal: 
[  301.366600]  ? __run_timers+0x7da/0xc70
[  301.368808] 1555*4kB 
[  301.373205]  ? lock_downgrade+0x900/0x900
[  301.375501] (UMEH) 
[  301.379471]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.381852] 298*8kB 
[  301.385990]  ? trace_hardirqs_on+0xbd/0x310
[  301.388200] (ME) 
[  301.393308]  ? kasan_check_read+0x11/0x20
[  301.395605] 96*16kB 
[  301.399929]  ? __run_timers+0x7da/0xc70
[  301.401965] (ME) 
[  301.406104]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.408402] 43*32kB 
[  301.412383]  ? kasan_check_write+0x14/0x20
[  301.414421] (UME) 
[  301.419864]  ? do_raw_spin_lock+0xc1/0x200
[  301.422161] 31*64kB 
[  301.426395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.428519] (UM) 
[  301.432743]  __run_timers+0x7e5/0xc70
[  301.435036] 0*128kB 
[  301.439441]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  301.441481] 1*256kB 
[  301.445268]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.447566] (U) 
[  301.452931]  ? timerqueue_add+0x207/0x2b0
[  301.455230] 0*512kB 
[  301.460232]  ? enqueue_hrtimer+0x1a5/0x560
[  301.462184] 0*1024kB 
[  301.466319]  ? lock_release+0x970/0x970
[  301.466348]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.468651] 0*2048kB 
[  301.472878]  ? kasan_check_write+0x14/0x20
[  301.475261] 0*4096kB 
[  301.479226]  ? pvclock_read_flags+0x160/0x160
[  301.484395] = 13756kB
[  301.486806]  ? lock_downgrade+0x900/0x900
[  301.491034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  301.493433]  ? trace_hardirqs_on+0xbd/0x310
[  301.497902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  301.500301]  ? kvm_sched_clock_read+0x9/0x20
[  301.504422] 3632 total pagecache pages
[  301.513250]  ? irq_exit+0x17f/0x1c0
[  301.517540] 0 pages in swap cache
[  301.526107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.530488] Swap cache stats: add 0, delete 0, find 0/0
[  301.534365]  ? check_preemption_disabled+0x48/0x200
[  301.537969] Free swap  = 0kB
[  301.541417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.546929] Total swap = 0kB
[  301.552342]  run_timer_softirq+0x52/0xb0
[  301.557337] 1965979 pages RAM
[  301.560350]  ? __this_cpu_preempt_check+0x1c/0x1f
[  301.565862] 0 pages HighMem/MovableOnly
[  301.569385]  __do_softirq+0x30b/0xad8
[  301.573423] 342307 pages reserved
[  301.576521]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  301.581339] 0 pages cma reserved
[  301.585305]  ? pvclock_read_flags+0x160/0x160
[  301.589139] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.592515]  ? lapic_next_event+0x5a/0x90
[  301.597668] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.600979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.605464] ksoftirqd/0 cpuset=
[  301.611965]  ? clockevents_program_event+0x140/0x370
[  301.616087] /
[  301.626401]  ? kvm_clock_read+0x18/0x30
[  301.631910]  mems_allowed=0
[  301.635185]  ? kvm_sched_clock_read+0x9/0x20
[  301.653273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.658825]  ? check_preemption_disabled+0x48/0x200
[  301.663849]  irq_exit+0x17f/0x1c0
[  301.667304]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.672203]  ? smp_reschedule_interrupt+0x109/0x650
[  301.677231]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.683136]  ? interrupt_entry+0xb5/0xf0
[  301.687212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.692228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.697244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.702086]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.707119]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.712146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.717689]  ? check_preemption_disabled+0x48/0x200
[  301.722703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.728243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.733088]  apic_timer_interrupt+0xf/0x20
[  301.737318]  </IRQ>
[  301.739561] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  301.744488] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  301.763404] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  301.771115] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  301.778393] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  301.785661] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  301.792923] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  301.800219] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  301.807539]  ? trace_hardirqs_on+0xb4/0x310
[  301.811876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.817425]  skb_clone+0x1bb/0x500
[  301.820967]  ? finish_task_switch+0x2f5/0x900
[  301.825461]  ? skb_split+0x11e0/0x11e0
[  301.829356]  ? preempt_notifier_register+0x200/0x200
[  301.834467]  ? __switch_to_asm+0x34/0x70
[  301.838529]  ? __switch_to_asm+0x34/0x70
[  301.842590]  ? __switch_to_asm+0x40/0x70
[  301.846651]  ? __switch_to_asm+0x34/0x70
[  301.850726]  ? __switch_to_asm+0x40/0x70
[  301.854787]  ? __switch_to_asm+0x34/0x70
[  301.858843]  ? __switch_to_asm+0x40/0x70
[  301.862899]  ? __switch_to_asm+0x34/0x70
[  301.866962]  ? __switch_to_asm+0x34/0x70
[  301.871038]  ? __switch_to_asm+0x40/0x70
[  301.875124]  ? __switch_to_asm+0x34/0x70
[  301.879195]  bpf_clone_redirect+0xb9/0x490
[  301.883431]  ? __schedule+0x874/0x1ed0
[  301.887340]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  301.892385]  ? __sched_text_start+0x8/0x8
[  301.896545]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.901345]  ? retint_kernel+0x2d/0x2d
[  301.905317]  ? lock_acquire+0x1ed/0x520
[  301.909292]  ? bpf_test_run+0x3cb/0x780
[  301.913267]  ? lock_release+0x970/0x970
[  301.917239]  ? preempt_schedule+0x4d/0x60
[  301.921393]  ? preempt_schedule_common+0x1f/0xd0
[  301.926165]  ? preempt_schedule+0x4d/0x60
[  301.930315]  ? ___preempt_schedule+0x16/0x18
[  301.934729]  ? bpf_test_run+0x25d/0x780
[  301.938708]  ? netlink_diag_dump+0x2a0/0x2a0
[  301.943120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.948658]  ? bpf_test_init.isra.9+0x70/0x100
[  301.953241]  ? bpf_prog_test_run_skb+0x634/0xb40
[  301.958012]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  301.962853]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.968403]  ? fput+0x130/0x1a0
[  301.971683]  ? __bpf_prog_get+0x9b/0x290
[  301.975745]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  301.980587]  ? bpf_prog_test_run+0x130/0x1a0
[  301.984998]  ? __x64_sys_bpf+0x3d8/0x510
[  301.989060]  ? bpf_prog_get+0x20/0x20
[  301.992870]  ? do_syscall_64+0x1b9/0x820
[  301.996935]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  302.002300]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.007266]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.012292]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  302.017310]  ? recalc_sigpending_tsk+0x180/0x180
[  302.022067]  ? kasan_check_write+0x14/0x20
[  302.026320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.031174]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  302.036551] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  302.036618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.043406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.049954] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.059237] Call Trace:
[  302.069702] syz-executor4 cpuset=syz4
[  302.072281]  dump_stack+0x1c4/0x2b4
[  302.072293]  mems_allowed=0
[  302.076083]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.087795]  warn_alloc.cold.119+0xb7/0x1bd
[  302.092136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.096992]  ? lock_downgrade+0x900/0x900
[  302.101143]  ? trace_hardirqs_off+0xb8/0x310
[  302.105557]  ? trace_hardirqs_off+0xb8/0x310
[  302.109970]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.114824]  ? mark_held_locks+0x130/0x130
[  302.119058]  ? warn_alloc+0x120/0x120
[  302.122859]  ? warn_alloc+0x120/0x120
[  302.126665]  ? warn_alloc+0x120/0x120
[  302.130463]  ? mark_held_locks+0x130/0x130
[  302.134717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.140250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.145783]  ? should_fail+0x22d/0xd01
[  302.149675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.154773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.160326]  ? should_fail+0x22d/0xd01
[  302.164217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.169320]  ? should_fail+0x22d/0xd01
[  302.173211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.178315]  ? mark_held_locks+0x130/0x130
[  302.182548]  ? mark_held_locks+0x130/0x130
[  302.186783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.192326]  ? trace_hardirqs_off+0xb8/0x310
[  302.196757]  ? kasan_check_read+0x11/0x20
[  302.200922]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.205332]  ? trace_hardirqs_on+0x310/0x310
[  302.209754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.215292]  ? wq_watchdog_touch+0x9c/0xfe
[  302.219535]  ? io_serial_in+0x11/0x90
[  302.223341]  ? retint_kernel+0x2d/0x2d
[  302.227235]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.232167]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.236922]  ? trace_hardirqs_off+0x310/0x310
[  302.241417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.246526]  __alloc_pages_nodemask+0xa80/0xde0
[  302.251196]  ? should_fail+0x22d/0xd01
[  302.255086]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  302.260122]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.264793]  ? lock_downgrade+0x900/0x900
[  302.268945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.274501]  cache_grow_begin+0x91/0x8c0
[  302.278569]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.282979]  fallback_alloc+0x203/0x2e0
[  302.286954]  ____cache_alloc_node+0x1c7/0x1e0
[  302.291458]  kmem_cache_alloc_node+0xe3/0x730
[  302.295997]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.300236]  __alloc_skb+0x119/0x770
[  302.303948]  ? skb_scrub_packet+0x490/0x490
[  302.308271]  ? lock_downgrade+0x900/0x900
[  302.312430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.317986]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.323449]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.328898]  ? addrconf_rs_timer+0x690/0x690
[  302.333324]  ndisc_alloc_skb+0x144/0x340
[  302.337392]  ndisc_send_rs+0x331/0x6e0
[  302.341281]  addrconf_rs_timer+0x314/0x690
[  302.345542]  ? lock_release+0x970/0x970
[  302.349516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.353761]  call_timer_fn+0x272/0x920
[  302.357650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.361891]  ? process_timeout+0x40/0x40
[  302.365968]  ? kasan_check_read+0x11/0x20
[  302.370114]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.374521]  ? trace_hardirqs_on+0x310/0x310
[  302.378939]  ? __run_timers+0x7da/0xc70
[  302.382915]  ? lock_downgrade+0x900/0x900
[  302.387067]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.392172]  ? trace_hardirqs_on+0xbd/0x310
[  302.396508]  ? kasan_check_read+0x11/0x20
[  302.400654]  ? __run_timers+0x7da/0xc70
[  302.404629]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.410121]  ? kasan_check_write+0x14/0x20
[  302.414388]  ? do_raw_spin_lock+0xc1/0x200
[  302.418638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.422874]  __run_timers+0x7e5/0xc70
[  302.426684]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  302.432046]  ? compat_start_thread+0x80/0x80
[  302.436455]  ? dequeue_entity+0x1770/0x1770
[  302.440782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.446318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.451865]  ? _raw_spin_unlock_irq+0x60/0x80
[  302.456365]  ? finish_task_switch+0x1f5/0x900
[  302.460865]  ? finish_task_switch+0x1b5/0x900
[  302.465361]  ? __switch_to_asm+0x34/0x70
[  302.469436]  ? preempt_notifier_register+0x200/0x200
[  302.474542]  ? __switch_to_asm+0x34/0x70
[  302.478598]  ? __switch_to_asm+0x40/0x70
[  302.482661]  ? __switch_to_asm+0x34/0x70
[  302.486723]  ? __switch_to_asm+0x40/0x70
[  302.490780]  ? __switch_to_asm+0x34/0x70
[  302.494838]  ? __switch_to_asm+0x40/0x70
[  302.498899]  ? __switch_to_asm+0x40/0x70
[  302.502968]  ? pvclock_read_flags+0x160/0x160
[  302.507460]  ? __schedule+0x874/0x1ed0
[  302.511362]  ? run_rebalance_domains+0x38d/0x500
[  302.516145]  ? trace_hardirqs_on+0xbd/0x310
[  302.520473]  ? kvm_sched_clock_read+0x9/0x20
[  302.524902]  ? run_ksoftirqd+0x94/0x100
[  302.528880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.534418]  ? check_preemption_disabled+0x48/0x200
[  302.539438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.544996]  run_timer_softirq+0x52/0xb0
[  302.549059]  ? __this_cpu_preempt_check+0x1c/0x1f
[  302.553904]  __do_softirq+0x30b/0xad8
[  302.557710]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  302.562812]  ? trace_hardirqs_off+0xb8/0x310
[  302.567224]  ? schedule+0x108/0x460
[  302.570850]  ? __schedule+0x1ed0/0x1ed0
[  302.574825]  ? run_ksoftirqd+0x40/0x100
[  302.578805]  ? trace_hardirqs_off+0xb8/0x310
[  302.583217]  ? ___might_sleep+0x1ed/0x300
[  302.587368]  ? smpboot_thread_fn+0x68b/0xa00
[  302.591783]  ? trace_hardirqs_on+0x310/0x310
[  302.596208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.601753]  ? check_preemption_disabled+0x48/0x200
[  302.606766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.612321]  ? takeover_tasklets+0xa90/0xa90
[  302.616734]  run_ksoftirqd+0x94/0x100
[  302.620538]  smpboot_thread_fn+0x68b/0xa00
[  302.624774]  ? sort_range+0x30/0x30
[  302.628442]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.633558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.639124]  ? __kthread_parkme+0xfb/0x1a0
[  302.643384]  kthread+0x35a/0x420
[  302.646752]  ? sort_range+0x30/0x30
[  302.650382]  ? kthread_bind+0x40/0x40
[  302.654200]  ret_from_fork+0x3a/0x50
[  302.657918] warn_alloc_show_mem: 1 callbacks suppressed
[  302.657931] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  302.657932] Mem-Info:
[  302.657962] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  302.657962]  active_file:15 inactive_file:15 isolated_file:0
[  302.657962]  unevictable:0 dirty:0 writeback:0 unstable:0
[  302.657962]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  302.657962]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  302.657962]  free:13623 free_pcp:480 free_cma:0
[  302.663303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.670594] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  302.672990] Call Trace:
[  302.706042] Node 0 
[  302.715394]  <IRQ>
[  302.743172] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  302.743183] lowmem_reserve[]:
[  302.745792]  dump_stack+0x1c4/0x2b4
[  302.747994]  0
[  302.750145]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.775634]  2819
[  302.778744]  warn_alloc.cold.119+0xb7/0x1bd
[  302.782334]  6323
[  302.784136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.789310]  6323
[  302.791391]  ? lock_downgrade+0x900/0x900
[  302.797745]  ? trace_hardirqs_off+0xb8/0x310
[  302.802558] Node 0 
[  302.804613]  ? trace_hardirqs_off+0xb8/0x310
[  302.808772] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  302.813155]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.815357] lowmem_reserve[]:
[  302.819781]  ? warn_alloc+0x120/0x120
[  302.846643]  0
[  302.851492]  ? trace_hardirqs_on+0x310/0x310
[  302.854563]  0
[  302.858359]  ? warn_alloc+0x120/0x120
[  302.860138]  3503
[  302.864542]  ? warn_alloc+0x120/0x120
[  302.866336]  3503
[  302.870135]  ? ktime_get+0x2e1/0x440
[  302.875966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.878001] Node 0 
[  302.881756]  ? check_preemption_disabled+0x48/0x200
[  302.887302] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  302.889510]  ? kasan_check_read+0x11/0x20
[  302.894498] lowmem_reserve[]:
[  302.923049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.927187]  0
[  302.930283]  ? should_fail+0x22d/0xd01
[  302.935791]  0
[  302.937587]  ? rcu_bh_qs+0xc0/0xc0
[  302.941448]  0
[  302.943247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.946771]  0
[  302.948639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.955522]  ? should_fail+0x22d/0xd01
[  302.961032] Node 0 DMA: 
[  302.964911]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.964926]  ? should_fail+0x22d/0xd01
[  302.967593] 1*4kB 
[  302.972689]  ? rcu_idle_enter+0x4b0/0x4b0
[  302.976543] (U) 
[  302.978688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.982812] 0*8kB 
[  302.984786]  ? mark_held_locks+0x130/0x130
[  302.989857] 0*16kB 
[  302.992020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.996225] 1*32kB 
[  302.998453]  ? mark_held_locks+0x130/0x130
[  303.003965] (U) 
[  303.006218]  ? rcu_irq_exit+0xce/0x100
[  303.010420] 2*64kB 
[  303.012397]  ? irq_exit+0xbd/0x1c0
[  303.016259] (U) 
[  303.018492]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  303.022002] 1*128kB 
[  303.023984]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.028967] (U) 
[  303.031282]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.035668] 1*256kB 
[  303.037641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.043501] (U) 
[  303.045817]  ? ret_from_intr+0xb/0x1e
[  303.051333] 0*512kB 
[  303.053305]  ? retint_kernel+0x2d/0x2d
[  303.057078] 1*1024kB 
[  303.059405]  ? trace_hardirqs_on_caller+0xc0/0x310
[  303.063267] (U) 
[  303.065676]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.070575] 1*2048kB 
[  303.072545]  ? trace_hardirqs_off+0x310/0x310
[  303.077273] (M) 
[  303.079675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.084155] 3*4096kB 
[  303.086144]  __alloc_pages_nodemask+0xa80/0xde0
[  303.091206] (M) 
[  303.093606]  ? should_fail+0x22d/0xd01
[  303.098241] = 15908kB
[  303.100206]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.104064] Node 0 
[  303.106496]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.111489] DMA32: 
[  303.113719]  ? lock_downgrade+0x900/0x900
[  303.118357] 3*4kB 
[  303.120592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.124708] (UM) 
[  303.126852]  cache_grow_begin+0x91/0x8c0
[  303.132362] 2*8kB 
[  303.134443]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.138473] (UM) 
[  303.140618]  fallback_alloc+0x203/0x2e0
[  303.145015] 2*16kB 
[  303.147081]  ____cache_alloc_node+0x1c7/0x1e0
[  303.151026] (M) 
[  303.153256]  kmem_cache_alloc_node+0xe3/0x730
[  303.157720] 2*32kB (M) 
[  303.159693]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.164173] 4*64kB 
[  303.166766]  __alloc_skb+0x119/0x770
[  303.170969] (M) 
[  303.173195]  ? skb_scrub_packet+0x490/0x490
[  303.176885] 3*128kB 
[  303.178853]  ? lock_downgrade+0x900/0x900
[  303.183148] (M) 
[  303.185468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.189591] 4*256kB 
[  303.191557]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.197062] (UM) 
[  303.199397]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.204825] 3*512kB 
[  303.206879]  ? addrconf_rs_timer+0x690/0x690
[  303.212305] (M) 
[  303.214626]  ndisc_alloc_skb+0x144/0x340
[  303.219005] 3*1024kB 
[  303.220972]  ndisc_send_rs+0x331/0x6e0
[  303.225007] (UM) 
[  303.227427]  addrconf_rs_timer+0x314/0x690
[  303.231287] 3*2048kB 
[  303.233341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.237550] (M) 
[  303.239961]  call_timer_fn+0x272/0x920
[  303.244175] 3*4096kB 
[  303.246156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.250035] (M) 
[  303.252459]  ? process_timeout+0x40/0x40
[  303.256666] = 24828kB
[  303.258638]  ? trace_hardirqs_off+0xb8/0x310
[  303.262677] Node 0 
[  303.265087]  ? kasan_check_read+0x11/0x20
[  303.269467] Normal: 
[  303.271714]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.275835] 1555*4kB 
[  303.278156]  ? trace_hardirqs_on+0x310/0x310
[  303.282536] (UMEH) 
[  303.284943]  ? __run_timers+0x7da/0xc70
[  303.289324] 298*8kB 
[  303.291559]  ? lock_downgrade+0x900/0x900
[  303.295522] (ME) 
[  303.297847]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.301963] 96*16kB 
[  303.304022]  ? trace_hardirqs_on+0xbd/0x310
[  303.309099] (ME) 
[  303.311423]  ? kasan_check_read+0x11/0x20
[  303.315714] 43*32kB 
[  303.317770]  ? __run_timers+0x7da/0xc70
[  303.321886] (UME) 
[  303.324202]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.328147] 31*64kB 
[  303.330306]  ? kasan_check_write+0x14/0x20
[  303.335724] (UM) 
[  303.338042]  ? do_raw_spin_lock+0xc1/0x200
[  303.342249] 0*128kB 
[  303.344331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.348534] 1*256kB 
[  303.350869]  __run_timers+0x7e5/0xc70
[  303.355074] (U) 
[  303.357403]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  303.361173] 0*512kB 
[  303.363153]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.368475] 0*1024kB 
[  303.370791]  ? timerqueue_add+0x207/0x2b0
[  303.375777] 0*2048kB 
[  303.378180]  ? enqueue_hrtimer+0x1a5/0x560
[  303.382302] 0*4096kB 
[  303.384725]  ? lock_release+0x970/0x970
[  303.388930] = 13756kB
[  303.391331]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.395284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.397688]  ? kasan_check_write+0x14/0x20
[  303.402852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.411682]  ? pvclock_read_flags+0x160/0x160
[  303.415906] 3632 total pagecache pages
[  303.424481]  ? lock_downgrade+0x900/0x900
[  303.428958] 0 pages in swap cache
[  303.432849]  ? trace_hardirqs_on+0xbd/0x310
[  303.437172] Swap cache stats: add 0, delete 0, find 0/0
[  303.437182] Free swap  = 0kB
[  303.440631]  ? kvm_sched_clock_read+0x9/0x20
[  303.444929] Total swap = 0kB
[  303.450288]  ? irq_exit+0x17f/0x1c0
[  303.453276] 1965979 pages RAM
[  303.457679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.460667] 0 pages HighMem/MovableOnly
[  303.464286]  ? check_preemption_disabled+0x48/0x200
[  303.467359] 342307 pages reserved
[  303.472910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.476873] 0 pages cma reserved
[  303.481912]  run_timer_softirq+0x52/0xb0
[  303.485598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.491061]  ? __this_cpu_preempt_check+0x1c/0x1f
[  303.491078]  __do_softirq+0x30b/0xad8
[  303.494531] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.498486]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.504977] ksoftirqd/0 cpuset=
[  303.509865]  ? pvclock_read_flags+0x160/0x160
[  303.513665] /
[  303.523968]  ? lapic_next_event+0x5a/0x90
[  303.529061]  mems_allowed=0
[  303.532352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.551118]  ? clockevents_program_event+0x140/0x370
[  303.556231]  ? kvm_clock_read+0x18/0x30
[  303.560209]  ? kvm_sched_clock_read+0x9/0x20
[  303.564621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.571112]  ? check_preemption_disabled+0x48/0x200
[  303.576144]  irq_exit+0x17f/0x1c0
[  303.579598]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.584438]  ? smp_reschedule_interrupt+0x109/0x650
[  303.589467]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.595348]  ? interrupt_entry+0xb5/0xf0
[  303.599422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.604440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.609456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.614299]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.619313]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.624343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.629889]  ? check_preemption_disabled+0x48/0x200
[  303.634907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.640449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.645298]  apic_timer_interrupt+0xf/0x20
[  303.649540]  </IRQ>
[  303.651809] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  303.656742] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  303.675637] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  303.683364] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  303.690635] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  303.697915] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  303.705183] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  303.712448] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  303.719737]  ? trace_hardirqs_on+0xb4/0x310
[  303.724080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.729623]  skb_clone+0x1bb/0x500
[  303.733260]  ? finish_task_switch+0x2f5/0x900
[  303.737768]  ? skb_split+0x11e0/0x11e0
[  303.741657]  ? preempt_notifier_register+0x200/0x200
[  303.746764]  ? __switch_to_asm+0x34/0x70
[  303.750822]  ? __switch_to_asm+0x34/0x70
[  303.754879]  ? __switch_to_asm+0x40/0x70
[  303.758935]  ? __switch_to_asm+0x34/0x70
[  303.762994]  ? __switch_to_asm+0x40/0x70
[  303.767052]  ? __switch_to_asm+0x34/0x70
[  303.771111]  ? __switch_to_asm+0x40/0x70
[  303.775173]  ? __switch_to_asm+0x34/0x70
[  303.779238]  ? __switch_to_asm+0x34/0x70
[  303.783294]  ? __switch_to_asm+0x40/0x70
[  303.787353]  ? __switch_to_asm+0x34/0x70
[  303.791431]  bpf_clone_redirect+0xb9/0x490
[  303.795668]  ? __schedule+0x874/0x1ed0
[  303.799555]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  303.804588]  ? __sched_text_start+0x8/0x8
[  303.808739]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.813499]  ? retint_kernel+0x2d/0x2d
[  303.817400]  ? lock_acquire+0x1ed/0x520
[  303.821384]  ? bpf_test_run+0x3cb/0x780
[  303.825360]  ? lock_release+0x970/0x970
[  303.829337]  ? preempt_schedule+0x4d/0x60
[  303.833509]  ? preempt_schedule_common+0x1f/0xd0
[  303.838296]  ? preempt_schedule+0x4d/0x60
[  303.842445]  ? ___preempt_schedule+0x16/0x18
[  303.846858]  ? bpf_test_run+0x25d/0x780
[  303.850855]  ? netlink_diag_dump+0x2a0/0x2a0
[  303.855266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.860804]  ? bpf_test_init.isra.9+0x70/0x100
[  303.865398]  ? bpf_prog_test_run_skb+0x634/0xb40
[  303.870165]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  303.875011]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.880565]  ? fput+0x130/0x1a0
[  303.883843]  ? __bpf_prog_get+0x9b/0x290
[  303.887903]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  303.892758]  ? bpf_prog_test_run+0x130/0x1a0
[  303.897169]  ? __x64_sys_bpf+0x3d8/0x510
[  303.901227]  ? bpf_prog_get+0x20/0x20
[  303.905036]  ? do_syscall_64+0x1b9/0x820
[  303.909098]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  303.914463]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.919398]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.924413]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.929428]  ? recalc_sigpending_tsk+0x180/0x180
[  303.934185]  ? kasan_check_write+0x14/0x20
[  303.938420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.943269]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  303.948646] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  303.948710] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.955496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.962077] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.971307] Call Trace:
[  303.981779] syz-executor4 cpuset=syz4 mems_allowed=0
[  303.984406]  dump_stack+0x1c4/0x2b4
[  303.984437]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.998333]  warn_alloc.cold.119+0xb7/0x1bd
[  304.002658]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.007503]  ? lock_downgrade+0x900/0x900
[  304.011674]  ? trace_hardirqs_off+0xb8/0x310
[  304.016085]  ? trace_hardirqs_off+0xb8/0x310
[  304.020497]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.025351]  ? mark_held_locks+0x130/0x130
[  304.029597]  ? warn_alloc+0x120/0x120
[  304.033405]  ? warn_alloc+0x120/0x120
[  304.037208]  ? warn_alloc+0x120/0x120
[  304.041009]  ? mark_held_locks+0x130/0x130
[  304.045272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.050845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.056389]  ? should_fail+0x22d/0xd01
[  304.060296]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.065401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.070962]  ? should_fail+0x22d/0xd01
[  304.074854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.079959]  ? should_fail+0x22d/0xd01
[  304.083850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.088955]  ? mark_held_locks+0x130/0x130
[  304.093194]  ? mark_held_locks+0x130/0x130
[  304.097427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.102968]  ? trace_hardirqs_off+0xb8/0x310
[  304.107381]  ? kasan_check_read+0x11/0x20
[  304.111531]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.115950]  ? trace_hardirqs_on+0x310/0x310
[  304.120390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.125934]  ? wq_watchdog_touch+0x9c/0xfe
[  304.130162]  ? io_serial_in+0x11/0x90
[  304.133956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.139499]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.144625]  __alloc_pages_nodemask+0xa80/0xde0
[  304.149301]  ? should_fail+0x22d/0xd01
[  304.153219]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.158280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.162949]  ? lock_downgrade+0x900/0x900
[  304.167123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.172662]  cache_grow_begin+0x91/0x8c0
[  304.176732]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.181149]  fallback_alloc+0x203/0x2e0
[  304.185122]  ____cache_alloc_node+0x1c7/0x1e0
[  304.189615]  kmem_cache_alloc_node+0xe3/0x730
[  304.194123]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.198387]  __alloc_skb+0x119/0x770
[  304.202098]  ? skb_scrub_packet+0x490/0x490
[  304.206411]  ? lock_downgrade+0x900/0x900
[  304.210558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.216089]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.221543]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.227006]  ? addrconf_rs_timer+0x690/0x690
[  304.231435]  ndisc_alloc_skb+0x144/0x340
[  304.235493]  ndisc_send_rs+0x331/0x6e0
[  304.239384]  addrconf_rs_timer+0x314/0x690
[  304.243613]  ? lock_release+0x970/0x970
[  304.247588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.251829]  call_timer_fn+0x272/0x920
[  304.255727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.259975]  ? process_timeout+0x40/0x40
[  304.264037]  ? kasan_check_read+0x11/0x20
[  304.268183]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.272594]  ? trace_hardirqs_on+0x310/0x310
[  304.277000]  ? __run_timers+0x7da/0xc70
[  304.281001]  ? lock_downgrade+0x900/0x900
[  304.285154]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.290260]  ? trace_hardirqs_on+0xbd/0x310
[  304.294579]  ? kasan_check_read+0x11/0x20
[  304.298727]  ? __run_timers+0x7da/0xc70
[  304.302714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.308180]  ? kasan_check_write+0x14/0x20
[  304.312429]  ? do_raw_spin_lock+0xc1/0x200
[  304.316683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.320915]  __run_timers+0x7e5/0xc70
[  304.324724]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  304.330087]  ? compat_start_thread+0x80/0x80
[  304.334495]  ? dequeue_entity+0x1770/0x1770
[  304.338816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.344351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.349899]  ? _raw_spin_unlock_irq+0x60/0x80
[  304.354400]  ? finish_task_switch+0x1f5/0x900
[  304.358926]  ? finish_task_switch+0x1b5/0x900
[  304.363418]  ? __switch_to_asm+0x34/0x70
[  304.367509]  ? preempt_notifier_register+0x200/0x200
[  304.372621]  ? __switch_to_asm+0x34/0x70
[  304.376683]  ? __switch_to_asm+0x40/0x70
[  304.380743]  ? __switch_to_asm+0x34/0x70
[  304.384818]  ? __switch_to_asm+0x40/0x70
[  304.388873]  ? __switch_to_asm+0x34/0x70
[  304.392956]  ? __switch_to_asm+0x40/0x70
[  304.397026]  ? __switch_to_asm+0x40/0x70
[  304.401085]  ? pvclock_read_flags+0x160/0x160
[  304.405576]  ? __schedule+0x874/0x1ed0
[  304.409462]  ? run_rebalance_domains+0x38d/0x500
[  304.414220]  ? trace_hardirqs_on+0xbd/0x310
[  304.418575]  ? kvm_sched_clock_read+0x9/0x20
[  304.422977]  ? run_ksoftirqd+0x94/0x100
[  304.426977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.432515]  ? check_preemption_disabled+0x48/0x200
[  304.437528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.443070]  run_timer_softirq+0x52/0xb0
[  304.447129]  ? __this_cpu_preempt_check+0x1c/0x1f
[  304.451970]  __do_softirq+0x30b/0xad8
[  304.455774]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  304.460875]  ? trace_hardirqs_off+0xb8/0x310
[  304.465289]  ? schedule+0x108/0x460
[  304.468912]  ? __schedule+0x1ed0/0x1ed0
[  304.472916]  ? run_ksoftirqd+0x40/0x100
[  304.476890]  ? trace_hardirqs_off+0xb8/0x310
[  304.481319]  ? ___might_sleep+0x1ed/0x300
[  304.485463]  ? smpboot_thread_fn+0x68b/0xa00
[  304.489868]  ? trace_hardirqs_on+0x310/0x310
[  304.494277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.499817]  ? check_preemption_disabled+0x48/0x200
[  304.504834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.510382]  ? takeover_tasklets+0xa90/0xa90
[  304.514807]  run_ksoftirqd+0x94/0x100
[  304.518611]  smpboot_thread_fn+0x68b/0xa00
[  304.522870]  ? sort_range+0x30/0x30
[  304.526498]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.531599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.537139]  ? __kthread_parkme+0xfb/0x1a0
[  304.541386]  kthread+0x35a/0x420
[  304.544769]  ? sort_range+0x30/0x30
[  304.548413]  ? kthread_bind+0x40/0x40
[  304.552215]  ret_from_fork+0x3a/0x50
[  304.555938] warn_alloc_show_mem: 1 callbacks suppressed
[  304.555951] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  304.555953] Mem-Info:
[  304.555985] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  304.555985]  active_file:15 inactive_file:15 isolated_file:0
[  304.555985]  unevictable:0 dirty:0 writeback:0 unstable:0
[  304.555985]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  304.555985]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  304.555985]  free:13623 free_pcp:480 free_cma:0
[  304.561327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.561336] Call Trace:
[  304.568619] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  304.571015]  <IRQ>
[  304.604062] Node 0 
[  304.613454]  dump_stack+0x1c4/0x2b4
[  304.616024] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  304.643767]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.645884] lowmem_reserve[]:
[  304.648114]  warn_alloc.cold.119+0xb7/0x1bd
[  304.651710]  0
[  304.677224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.682386]  2819
[  304.685489]  ? lock_downgrade+0x900/0x900
[  304.689784]  6323
[  304.691597]  ? trace_hardirqs_off+0xb8/0x310
[  304.696407]  6323
[  304.698462]  ? trace_hardirqs_off+0xb8/0x310
[  304.704644]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.709041] Node 0 
[  304.711112]  ? warn_alloc+0x120/0x120
[  304.715511] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  304.720323]  ? trace_hardirqs_on+0x310/0x310
[  304.722533] lowmem_reserve[]:
[  304.726327]  ? warn_alloc+0x120/0x120
[  304.753202]  0
[  304.757620]  ? warn_alloc+0x120/0x120
[  304.760686]  0
[  304.764496]  ? ktime_get+0x2e1/0x440
[  304.766286]  3503
[  304.770093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.771867]  3503
[  304.775579]  ? check_preemption_disabled+0x48/0x200
[  304.783146]  ? kasan_check_read+0x11/0x20
[  304.785177] Node 0 
[  304.790183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.794325] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  304.796529]  ? should_fail+0x22d/0xd01
[  304.802057] lowmem_reserve[]:
[  304.830609]  ? rcu_bh_qs+0xc0/0xc0
[  304.834467]  0
[  304.837594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.841115]  0
[  304.842937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.848005]  0
[  304.849798]  ? should_fail+0x22d/0xd01
[  304.855313]  0
[  304.857109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.862762]  ? should_fail+0x22d/0xd01
[  304.867837] Node 0 
[  304.871733]  ? rcu_idle_enter+0x4b0/0x4b0
[  304.871735] DMA: 1*4kB 
[  304.873985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.878120] (U) 
[  304.880701]  ? mark_held_locks+0x130/0x130
[  304.885776] 0*8kB 
[  304.887744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.891950] 0*16kB 
[  304.894089]  ? mark_held_locks+0x130/0x130
[  304.899600] 1*32kB 
[  304.901859]  ? rcu_irq_exit+0xce/0x100
[  304.906073] (U) 
[  304.908318]  ? irq_exit+0xbd/0x1c0
[  304.912177] 2*64kB 
[  304.914166]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  304.917675] (U) 
[  304.919912]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.924897] 1*128kB 
[  304.926864]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.931241] (U) 
[  304.933563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.939422] 1*256kB 
[  304.941417]  ? ret_from_intr+0xb/0x1e
[  304.946940] (U) 
[  304.949262]  ? retint_kernel+0x2d/0x2d
[  304.953034] 0*512kB 
[  304.955009]  ? trace_hardirqs_on_caller+0xc0/0x310
[  304.958865] 1*1024kB 
[  304.961195]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.966091] (U) 
[  304.968520]  ? trace_hardirqs_off+0x310/0x310
[  304.973249] 1*2048kB 
[  304.975220]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.979687] (M) 
[  304.982113]  __alloc_pages_nodemask+0xa80/0xde0
[  304.987184] 3*4096kB 
[  304.989159]  ? should_fail+0x22d/0xd01
[  304.993799] (M) 
[  304.996204]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  305.000067] = 15908kB
[  305.002045]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.007023] Node 0 
[  305.009429]  ? lock_downgrade+0x900/0x900
[  305.014084] DMA32: 
[  305.016313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.020449] 3*4kB 
[  305.022678]  cache_grow_begin+0x91/0x8c0
[  305.028183] (UM) 
[  305.030326]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.034357] 2*8kB 
[  305.036419]  fallback_alloc+0x203/0x2e0
[  305.040797] (UM) 
[  305.042943]  ____cache_alloc_node+0x1c7/0x1e0
[  305.046904] 2*16kB 
[  305.048955]  kmem_cache_alloc_node+0xe3/0x730
[  305.053429] (M) 
[  305.055658]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.060126] 2*32kB 
[  305.062100]  __alloc_skb+0x119/0x770
[  305.066302] (M) 
[  305.068527]  ? skb_scrub_packet+0x490/0x490
[  305.072216] 4*64kB 
[  305.074186]  ? lock_downgrade+0x900/0x900
[  305.078479] (M) 
[  305.080711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.084827] 3*128kB 
[  305.086801]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.092310] (M) 
[  305.094640]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.100064] 4*256kB 
[  305.102044]  ? addrconf_rs_timer+0x690/0x690
[  305.107462] (UM) 
[  305.109779]  ndisc_alloc_skb+0x144/0x340
[  305.114170] 3*512kB 
[  305.116223]  ndisc_send_rs+0x331/0x6e0
[  305.120259] (M) 
[  305.122574]  addrconf_rs_timer+0x314/0x690
[  305.126434] 3*1024kB 
[  305.128403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.132608] (UM) 
[  305.135013]  call_timer_fn+0x272/0x920
[  305.139219] 3*2048kB 
[  305.141273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.145140] (M) 
[  305.147561]  ? process_timeout+0x40/0x40
[  305.151769] 3*4096kB 
[  305.153755]  ? trace_hardirqs_off+0xb8/0x310
[  305.157784] (M) 
[  305.160191]  ? kasan_check_read+0x11/0x20
[  305.164566] = 24828kB
[  305.166537]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.170654] Node 0 
[  305.173066]  ? trace_hardirqs_on+0x310/0x310
[  305.177467] Normal: 
[  305.179812]  ? __run_timers+0x7da/0xc70
[  305.184193] 1555*4kB 
[  305.186510]  ? lock_downgrade+0x900/0x900
[  305.190458] (UMEH) 
[  305.192867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.196980] 298*8kB (ME) 
[  305.199218]  ? trace_hardirqs_on+0xbd/0x310
[  305.204292] 96*16kB 
[  305.207046]  ? kasan_check_read+0x11/0x20
[  305.211335] (ME) 
[  305.213650]  ? __run_timers+0x7da/0xc70
[  305.213685]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.217840] 43*32kB 
[  305.219916]  ? kasan_check_write+0x14/0x20
[  305.223859] (UME) 
[  305.229306]  ? do_raw_spin_lock+0xc1/0x200
[  305.231600] 31*64kB 
[  305.235831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.237953] (UM) 
[  305.242195]  __run_timers+0x7e5/0xc70
[  305.244488] 0*128kB 
[  305.248717]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  305.250747] 1*256kB 
[  305.254536]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  305.256833] (U) 
[  305.262208]  ? timerqueue_add+0x207/0x2b0
[  305.264503] 0*512kB 
[  305.269512]  ? enqueue_hrtimer+0x1a5/0x560
[  305.271462] 0*1024kB 
[  305.275603]  ? lock_release+0x970/0x970
[  305.277903] 0*2048kB 
[  305.282125]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.284513] 0*4096kB 
[  305.288484]  ? kasan_check_write+0x14/0x20
[  305.290863] = 13756kB
[  305.296042]  ? pvclock_read_flags+0x160/0x160
[  305.298432] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.302673]  ? lock_downgrade+0x900/0x900
[  305.305062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.309545]  ? trace_hardirqs_on+0xbd/0x310
[  305.318352] 3632 total pagecache pages
[  305.322516]  ? kvm_sched_clock_read+0x9/0x20
[  305.331079] 0 pages in swap cache
[  305.335406]  ? irq_exit+0x17f/0x1c0
[  305.339269] Swap cache stats: add 0, delete 0, find 0/0
[  305.343668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.347090] Free swap  = 0kB
[  305.350710]  ? check_preemption_disabled+0x48/0x200
[  305.356041] Total swap = 0kB
[  305.361572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.364562] 1965979 pages RAM
[  305.369573]  run_timer_softirq+0x52/0xb0
[  305.372577] 0 pages HighMem/MovableOnly
[  305.378109]  ? __this_cpu_preempt_check+0x1c/0x1f
[  305.381184] 342307 pages reserved
[  305.385234]  __do_softirq+0x30b/0xad8
[  305.389195] 0 pages cma reserved
[  305.394032]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  305.397538] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.401245]  ? pvclock_read_flags+0x160/0x160
[  305.404672] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.409707]  ? lapic_next_event+0x5a/0x90
[  305.416173] ksoftirqd/0 cpuset=
[  305.420661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.430940] /
[  305.435082]  ? clockevents_program_event+0x140/0x370
[  305.438557]  mems_allowed=0
[  305.453820]  ? kvm_clock_read+0x18/0x30
[  305.457791]  ? kvm_sched_clock_read+0x9/0x20
[  305.462199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.467737]  ? check_preemption_disabled+0x48/0x200
[  305.472759]  irq_exit+0x17f/0x1c0
[  305.476215]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.481054]  ? smp_reschedule_interrupt+0x109/0x650
[  305.486070]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.491952]  ? interrupt_entry+0xb5/0xf0
[  305.496014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.501026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.506040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.510896]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.515922]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.520967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.526512]  ? check_preemption_disabled+0x48/0x200
[  305.531525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.537064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.541906]  apic_timer_interrupt+0xf/0x20
[  305.546142]  </IRQ>
[  305.548408] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  305.553378] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  305.572797] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  305.580515] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  305.587782] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  305.595067] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  305.602327] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  305.609587] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  305.616875]  ? trace_hardirqs_on+0xb4/0x310
[  305.621223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.626768]  skb_clone+0x1bb/0x500
[  305.630308]  ? finish_task_switch+0x2f5/0x900
[  305.634798]  ? skb_split+0x11e0/0x11e0
[  305.638683]  ? preempt_notifier_register+0x200/0x200
[  305.643790]  ? __switch_to_asm+0x34/0x70
[  305.647861]  ? __switch_to_asm+0x34/0x70
[  305.651931]  ? __switch_to_asm+0x40/0x70
[  305.655991]  ? __switch_to_asm+0x34/0x70
[  305.660050]  ? __switch_to_asm+0x40/0x70
[  305.664126]  ? __switch_to_asm+0x34/0x70
[  305.668189]  ? __switch_to_asm+0x40/0x70
[  305.672248]  ? __switch_to_asm+0x34/0x70
[  305.676307]  ? __switch_to_asm+0x34/0x70
[  305.680362]  ? __switch_to_asm+0x40/0x70
[  305.684425]  ? __switch_to_asm+0x34/0x70
[  305.688509]  bpf_clone_redirect+0xb9/0x490
[  305.692745]  ? __schedule+0x874/0x1ed0
[  305.696638]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  305.701653]  ? __sched_text_start+0x8/0x8
[  305.705803]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.710562]  ? retint_kernel+0x2d/0x2d
[  305.714457]  ? lock_acquire+0x1ed/0x520
[  305.718430]  ? bpf_test_run+0x3cb/0x780
[  305.722444]  ? lock_release+0x970/0x970
[  305.726433]  ? preempt_schedule+0x4d/0x60
[  305.730581]  ? preempt_schedule_common+0x1f/0xd0
[  305.735339]  ? preempt_schedule+0x4d/0x60
[  305.739492]  ? ___preempt_schedule+0x16/0x18
[  305.743904]  ? bpf_test_run+0x25d/0x780
[  305.747878]  ? netlink_diag_dump+0x2a0/0x2a0
[  305.752287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.757822]  ? bpf_test_init.isra.9+0x70/0x100
[  305.762411]  ? bpf_prog_test_run_skb+0x634/0xb40
[  305.767166]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  305.772004]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.777540]  ? fput+0x130/0x1a0
[  305.780994]  ? __bpf_prog_get+0x9b/0x290
[  305.785148]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  305.789990]  ? bpf_prog_test_run+0x130/0x1a0
[  305.794407]  ? __x64_sys_bpf+0x3d8/0x510
[  305.798470]  ? bpf_prog_get+0x20/0x20
[  305.802284]  ? do_syscall_64+0x1b9/0x820
[  305.806350]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  305.811720]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.816654]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.821701]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.826717]  ? recalc_sigpending_tsk+0x180/0x180
[  305.831477]  ? kasan_check_write+0x14/0x20
[  305.835711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.840560]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  305.845936] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  305.846002] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.852789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.859334] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.868599] Call Trace:
[  305.879073] syz-executor4 cpuset=syz4
[  305.881674]  dump_stack+0x1c4/0x2b4
[  305.881686]  mems_allowed=0
[  305.885475]  ? dump_stack_print_info.cold.2+0x52/0x52
[  305.897179]  warn_alloc.cold.119+0xb7/0x1bd
[  305.901519]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.906386]  ? lock_downgrade+0x900/0x900
[  305.910555]  ? trace_hardirqs_off+0xb8/0x310
[  305.914965]  ? trace_hardirqs_off+0xb8/0x310
[  305.919399]  __alloc_pages_slowpath+0x2667/0x2d80
[  305.924256]  ? mark_held_locks+0x130/0x130
[  305.928491]  ? warn_alloc+0x120/0x120
[  305.932296]  ? warn_alloc+0x120/0x120
[  305.936095]  ? warn_alloc+0x120/0x120
[  305.939902]  ? mark_held_locks+0x130/0x130
[  305.944152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.949685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.955261]  ? should_fail+0x22d/0xd01
[  305.959160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.964257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.969795]  ? should_fail+0x22d/0xd01
[  305.973684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.978800]  ? should_fail+0x22d/0xd01
[  305.982692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.987799]  ? mark_held_locks+0x130/0x130
[  305.992049]  ? mark_held_locks+0x130/0x130
[  305.996286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.001823]  ? trace_hardirqs_off+0xb8/0x310
[  306.006229]  ? kasan_check_read+0x11/0x20
[  306.010382]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.014790]  ? trace_hardirqs_on+0x310/0x310
[  306.019195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.024732]  ? wq_watchdog_touch+0x9c/0xfe
[  306.028970]  ? io_serial_in+0x11/0x90
[  306.032774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.038317]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.043427]  __alloc_pages_nodemask+0xa80/0xde0
[  306.048116]  ? should_fail+0x22d/0xd01
[  306.052006]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.057738]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.062409]  ? lock_downgrade+0x900/0x900
[  306.066564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.072102]  cache_grow_begin+0x91/0x8c0
[  306.076162]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.080575]  fallback_alloc+0x203/0x2e0
[  306.084558]  ____cache_alloc_node+0x1c7/0x1e0
[  306.089054]  kmem_cache_alloc_node+0xe3/0x730
[  306.093559]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.097812]  __alloc_skb+0x119/0x770
[  306.101545]  ? skb_scrub_packet+0x490/0x490
[  306.105870]  ? lock_downgrade+0x900/0x900
[  306.110026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.115563]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.121012]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.126462]  ? addrconf_rs_timer+0x690/0x690
[  306.130872]  ndisc_alloc_skb+0x144/0x340
[  306.136010]  ndisc_send_rs+0x331/0x6e0
[  306.139897]  addrconf_rs_timer+0x314/0x690
[  306.144158]  ? lock_release+0x970/0x970
[  306.148144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.152394]  call_timer_fn+0x272/0x920
[  306.156281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.160516]  ? process_timeout+0x40/0x40
[  306.164580]  ? kasan_check_read+0x11/0x20
[  306.168727]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.173162]  ? trace_hardirqs_on+0x310/0x310
[  306.177594]  ? __run_timers+0x7da/0xc70
[  306.181569]  ? lock_downgrade+0x900/0x900
[  306.185740]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.190857]  ? trace_hardirqs_on+0xbd/0x310
[  306.195177]  ? kasan_check_read+0x11/0x20
[  306.199324]  ? __run_timers+0x7da/0xc70
[  306.203302]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.208754]  ? kasan_check_write+0x14/0x20
[  306.212990]  ? do_raw_spin_lock+0xc1/0x200
[  306.217225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.221459]  __run_timers+0x7e5/0xc70
[  306.225265]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.230624]  ? compat_start_thread+0x80/0x80
[  306.235034]  ? dequeue_entity+0x1770/0x1770
[  306.239355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.244897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.250442]  ? _raw_spin_unlock_irq+0x60/0x80
[  306.254939]  ? finish_task_switch+0x1f5/0x900
[  306.259430]  ? finish_task_switch+0x1b5/0x900
[  306.263924]  ? __switch_to_asm+0x34/0x70
[  306.267986]  ? preempt_notifier_register+0x200/0x200
[  306.273107]  ? __switch_to_asm+0x34/0x70
[  306.277166]  ? __switch_to_asm+0x40/0x70
[  306.281223]  ? __switch_to_asm+0x34/0x70
[  306.285309]  ? __switch_to_asm+0x40/0x70
[  306.289364]  ? __switch_to_asm+0x34/0x70
[  306.293428]  ? __switch_to_asm+0x40/0x70
[  306.297490]  ? __switch_to_asm+0x40/0x70
[  306.301558]  ? pvclock_read_flags+0x160/0x160
[  306.306054]  ? __schedule+0x874/0x1ed0
[  306.309940]  ? run_rebalance_domains+0x38d/0x500
[  306.314699]  ? trace_hardirqs_on+0xbd/0x310
[  306.319023]  ? kvm_sched_clock_read+0x9/0x20
[  306.323447]  ? run_ksoftirqd+0x94/0x100
[  306.327512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.333050]  ? check_preemption_disabled+0x48/0x200
[  306.338061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.343605]  run_timer_softirq+0x52/0xb0
[  306.347671]  ? __this_cpu_preempt_check+0x1c/0x1f
[  306.352530]  __do_softirq+0x30b/0xad8
[  306.356347]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  306.361472]  ? trace_hardirqs_off+0xb8/0x310
[  306.365884]  ? schedule+0x108/0x460
[  306.369507]  ? __schedule+0x1ed0/0x1ed0
[  306.373477]  ? run_ksoftirqd+0x40/0x100
[  306.377469]  ? trace_hardirqs_off+0xb8/0x310
[  306.381895]  ? ___might_sleep+0x1ed/0x300
[  306.386036]  ? smpboot_thread_fn+0x68b/0xa00
[  306.390460]  ? trace_hardirqs_on+0x310/0x310
[  306.394868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.400409]  ? check_preemption_disabled+0x48/0x200
[  306.405425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.410966]  ? takeover_tasklets+0xa90/0xa90
[  306.415383]  run_ksoftirqd+0x94/0x100
[  306.419189]  smpboot_thread_fn+0x68b/0xa00
[  306.423425]  ? sort_range+0x30/0x30
[  306.427056]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.432160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.437700]  ? __kthread_parkme+0xfb/0x1a0
[  306.441934]  kthread+0x35a/0x420
[  306.445297]  ? sort_range+0x30/0x30
[  306.448917]  ? kthread_bind+0x40/0x40
[  306.452721]  ret_from_fork+0x3a/0x50
[  306.456439] warn_alloc_show_mem: 1 callbacks suppressed
[  306.456466] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  306.456468] Mem-Info:
[  306.456514] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  306.456514]  active_file:15 inactive_file:15 isolated_file:0
[  306.456514]  unevictable:0 dirty:0 writeback:0 unstable:0
[  306.456514]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  306.456514]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  306.456514]  free:13623 free_pcp:480 free_cma:0
[  306.461850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.469125] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  306.471521] Call Trace:
[  306.504569] Node 0 
[  306.513919]  <IRQ>
[  306.541695] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  306.544275]  dump_stack+0x1c4/0x2b4
[  306.546476] lowmem_reserve[]:
[  306.548631]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.574292]  0
[  306.577924]  warn_alloc.cold.119+0xb7/0x1bd
[  306.580992]  2819
[  306.586174]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.587946]  6323
[  306.592260]  ? lock_downgrade+0x900/0x900
[  306.594291]  6323
[  306.599125]  ? trace_hardirqs_off+0xb8/0x310
[  306.605301]  ? trace_hardirqs_off+0xb8/0x310
[  306.607338] Node 0 
[  306.611737]  __alloc_pages_slowpath+0x2667/0x2d80
[  306.616138] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  306.618362]  ? warn_alloc+0x120/0x120
[  306.623164] lowmem_reserve[]:
[  306.650069]  ? trace_hardirqs_on+0x310/0x310
[  306.653859]  0
[  306.656961]  ? warn_alloc+0x120/0x120
[  306.661338]  0
[  306.663137]  ? warn_alloc+0x120/0x120
[  306.666903]  3503
[  306.668698]  ? ktime_get+0x2e1/0x440
[  306.672468]  3503
[  306.674543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.680284]  ? check_preemption_disabled+0x48/0x200
[  306.685790] Node 0 
[  306.690802]  ? kasan_check_read+0x11/0x20
[  306.690832] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  306.690839] lowmem_reserve[]:
[  306.693069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.697205]  0
[  306.725752]  ? should_fail+0x22d/0xd01
[  306.728829]  0
[  306.734362]  ? rcu_bh_qs+0xc0/0xc0
[  306.736133]  0
[  306.740018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.741797]  0
[  306.745332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.752193]  ? should_fail+0x22d/0xd01
[  306.753967] Node 0 
[  306.759493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.763351] DMA: 
[  306.765584]  ? should_fail+0x22d/0xd01
[  306.770661] 1*4kB 
[  306.772739]  ? rcu_idle_enter+0x4b0/0x4b0
[  306.776593] (U) 
[  306.778731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.782848] 0*8kB 
[  306.784814]  ? mark_held_locks+0x130/0x130
[  306.789886] 0*16kB 
[  306.792052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.796258] 1*32kB 
[  306.798487]  ? mark_held_locks+0x130/0x130
[  306.803995] (U) 
[  306.806256]  ? rcu_irq_exit+0xce/0x100
[  306.810461] 2*64kB 
[  306.812442]  ? irq_exit+0xbd/0x1c0
[  306.816299] (U) 
[  306.818537]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  306.822052] 1*128kB 
[  306.824023]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.829020] (U) 
[  306.831341]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.835721] 1*256kB 
[  306.837693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.843545] (U) 
[  306.845863]  ? ret_from_intr+0xb/0x1e
[  306.851383] 0*512kB 
[  306.853354]  ? retint_kernel+0x2d/0x2d
[  306.857126] 1*1024kB 
[  306.859448]  ? trace_hardirqs_on_caller+0xc0/0x310
[  306.863303] (U) 
[  306.865712]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.870629] 1*2048kB 
[  306.872626]  ? trace_hardirqs_off+0x310/0x310
[  306.877357] (M) 
[  306.879802]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.884267] 3*4096kB 
[  306.886239]  __alloc_pages_nodemask+0xa80/0xde0
[  306.891320] (M) = 15908kB
[  306.893732]  ? should_fail+0x22d/0xd01
[  306.898382] Node 0 
[  306.901144]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.904999] DMA32: 
[  306.907244]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.912219] 3*4kB 
[  306.914450]  ? lock_downgrade+0x900/0x900
[  306.919091] (UM) 
[  306.921238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.925356] 2*8kB 
[  306.927436]  cache_grow_begin+0x91/0x8c0
[  306.933205] (UM) 
[  306.935352]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.939389] 2*16kB 
[  306.941451]  fallback_alloc+0x203/0x2e0
[  306.945827] (M) 
[  306.948061]  ____cache_alloc_node+0x1c7/0x1e0
[  306.952005] 2*32kB 
[  306.953971]  kmem_cache_alloc_node+0xe3/0x730
[  306.958441] (M) 
[  306.960676]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.965138] 4*64kB (M) 
[  306.967114]  __alloc_skb+0x119/0x770
[  306.971346] 3*128kB 
[  306.973925]  ? skb_scrub_packet+0x490/0x490
[  306.977615] (M) 
[  306.979938]  ? lock_downgrade+0x900/0x900
[  306.984227] 4*256kB 
[  306.986195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.990310] (UM) 
[  306.992659]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.998171] 3*512kB 
[  307.000225]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.005651] (M) 
[  307.007970]  ? addrconf_rs_timer+0x690/0x690
[  307.013399] 3*1024kB 
[  307.015379]  ndisc_alloc_skb+0x144/0x340
[  307.019758] (UM) 
[  307.022167]  ndisc_send_rs+0x331/0x6e0
[  307.026211] 3*2048kB 
[  307.028269]  addrconf_rs_timer+0x314/0x690
[  307.032155] (M) 
[  307.034568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.038776] 3*4096kB 
[  307.040748]  call_timer_fn+0x272/0x920
[  307.044950] (M) 
[  307.047352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.051210] = 24828kB
[  307.053179]  ? process_timeout+0x40/0x40
[  307.057392] Node 0 
[  307.059817]  ? trace_hardirqs_off+0xb8/0x310
[  307.063848] Normal: 
[  307.066079]  ? kasan_check_read+0x11/0x20
[  307.070456] 1555*4kB 
[  307.072782]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.076898] (UMEH) 
[  307.079321]  ? trace_hardirqs_on+0x310/0x310
[  307.083698] 298*8kB 
[  307.085933]  ? __run_timers+0x7da/0xc70
[  307.090312] (ME) 
[  307.092633]  ? lock_downgrade+0x900/0x900
[  307.096583] 96*16kB 
[  307.098647]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.102765] (ME) 
[  307.105089]  ? trace_hardirqs_on+0xbd/0x310
[  307.110167] 43*32kB 
[  307.112242]  ? kasan_check_read+0x11/0x20
[  307.116548] (UME) 
[  307.118877]  ? __run_timers+0x7da/0xc70
[  307.122991] 31*64kB 
[  307.125162]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.129102] (UM) 
[  307.131425]  ? kasan_check_write+0x14/0x20
[  307.136847] 0*128kB 
[  307.138908]  ? do_raw_spin_lock+0xc1/0x200
[  307.143114] 1*256kB 
[  307.145439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.149654] (U) 
[  307.151978]  __run_timers+0x7e5/0xc70
[  307.156181] 0*512kB 
[  307.158189]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  307.161955] 0*1024kB 
[  307.164278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.169613] 0*2048kB 
[  307.172015]  ? timerqueue_add+0x207/0x2b0
[  307.177006] 0*4096kB 
[  307.179415]  ? enqueue_hrtimer+0x1a5/0x560
[  307.183554] = 13756kB
[  307.185957]  ? lock_release+0x970/0x970
[  307.190169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.192563]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  307.196520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.205353]  ? kasan_check_write+0x14/0x20
[  307.210513] 3632 total pagecache pages
[  307.219095]  ? pvclock_read_flags+0x160/0x160
[  307.223303] 0 pages in swap cache
[  307.227182]  ? lock_downgrade+0x900/0x900
[  307.231660] Swap cache stats: add 0, delete 0, find 0/0
[  307.235123]  ? trace_hardirqs_on+0xbd/0x310
[  307.239243] Free swap  = 0kB
[  307.244601]  ? kvm_sched_clock_read+0x9/0x20
[  307.248893] Total swap = 0kB
[  307.251910]  ? irq_exit+0x17f/0x1c0
[  307.256287] 1965979 pages RAM
[  307.259300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.262902] 0 pages HighMem/MovableOnly
[  307.266003]  ? check_preemption_disabled+0x48/0x200
[  307.271505] 342307 pages reserved
[  307.271513] 0 pages cma reserved
[  307.275566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.280673] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.284038]  run_timer_softirq+0x52/0xb0
[  307.287486] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.292934]  ? __this_cpu_preempt_check+0x1c/0x1f
[  307.299404] ksoftirqd/0 cpuset=
[  307.303461]  __do_softirq+0x30b/0xad8
[  307.313770] /
[  307.318627]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  307.321869]  mems_allowed=0
[  307.325658]  ? pvclock_read_flags+0x160/0x160
[  307.339901]  ? lapic_next_event+0x5a/0x90
[  307.344054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.349602]  ? clockevents_program_event+0x140/0x370
[  307.354756]  ? kvm_clock_read+0x18/0x30
[  307.358732]  ? kvm_sched_clock_read+0x9/0x20
[  307.363147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.368689]  ? check_preemption_disabled+0x48/0x200
[  307.373719]  irq_exit+0x17f/0x1c0
[  307.377187]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.382045]  ? smp_reschedule_interrupt+0x109/0x650
[  307.387063]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.392947]  ? interrupt_entry+0xb5/0xf0
[  307.397015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.402028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.407045]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.411891]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.416908]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.421929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.427475]  ? check_preemption_disabled+0x48/0x200
[  307.432506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.438390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.443243]  apic_timer_interrupt+0xf/0x20
[  307.447474]  </IRQ>
[  307.449714] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  307.454649] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  307.473566] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  307.481307] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  307.488580] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  307.495851] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  307.503123] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  307.510410] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  307.517709]  ? trace_hardirqs_on+0xb4/0x310
[  307.522052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.527612]  skb_clone+0x1bb/0x500
[  307.531164]  ? finish_task_switch+0x2f5/0x900
[  307.535669]  ? skb_split+0x11e0/0x11e0
[  307.539566]  ? preempt_notifier_register+0x200/0x200
[  307.544670]  ? __switch_to_asm+0x34/0x70
[  307.548737]  ? __switch_to_asm+0x34/0x70
[  307.552799]  ? __switch_to_asm+0x40/0x70
[  307.556860]  ? __switch_to_asm+0x34/0x70
[  307.560924]  ? __switch_to_asm+0x40/0x70
[  307.564984]  ? __switch_to_asm+0x34/0x70
[  307.569571]  ? __switch_to_asm+0x40/0x70
[  307.573634]  ? __switch_to_asm+0x34/0x70
[  307.577700]  ? __switch_to_asm+0x34/0x70
[  307.581760]  ? __switch_to_asm+0x40/0x70
[  307.585835]  ? __switch_to_asm+0x34/0x70
[  307.589910]  bpf_clone_redirect+0xb9/0x490
[  307.594197]  ? __schedule+0x874/0x1ed0
[  307.598119]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  307.603183]  ? __sched_text_start+0x8/0x8
[  307.607329]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.612756]  ? retint_kernel+0x2d/0x2d
[  307.616672]  ? lock_acquire+0x1ed/0x520
[  307.620647]  ? bpf_test_run+0x3cb/0x780
[  307.624631]  ? lock_release+0x970/0x970
[  307.628602]  ? preempt_schedule+0x4d/0x60
[  307.632749]  ? preempt_schedule_common+0x1f/0xd0
[  307.637506]  ? preempt_schedule+0x4d/0x60
[  307.641658]  ? ___preempt_schedule+0x16/0x18
[  307.646074]  ? bpf_test_run+0x25d/0x780
[  307.650057]  ? netlink_diag_dump+0x2a0/0x2a0
[  307.654474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.660011]  ? bpf_test_init.isra.9+0x70/0x100
[  307.664599]  ? bpf_prog_test_run_skb+0x634/0xb40
[  307.669362]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  307.674216]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  307.679756]  ? fput+0x130/0x1a0
[  307.683036]  ? __bpf_prog_get+0x9b/0x290
[  307.687096]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  307.691936]  ? bpf_prog_test_run+0x130/0x1a0
[  307.696367]  ? __x64_sys_bpf+0x3d8/0x510
[  307.700435]  ? bpf_prog_get+0x20/0x20
[  307.704247]  ? do_syscall_64+0x1b9/0x820
[  307.708312]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  307.713680]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.718612]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.723631]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  307.728647]  ? recalc_sigpending_tsk+0x180/0x180
[  307.733413]  ? kasan_check_write+0x14/0x20
[  307.737649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.742499]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  307.747880] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  307.747945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.754728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.754737] Call Trace:
[  307.761291] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.770570]  dump_stack+0x1c4/0x2b4
[  307.773127] syz-executor4 cpuset=
[  307.783606]  ? dump_stack_print_info.cold.2+0x52/0x52
[  307.787203] syz4
[  307.790657]  warn_alloc.cold.119+0xb7/0x1bd
[  307.795814]  mems_allowed=0
[  307.797805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.809849]  ? lock_downgrade+0x900/0x900
[  307.814002]  ? trace_hardirqs_off+0xb8/0x310
[  307.818429]  ? trace_hardirqs_off+0xb8/0x310
[  307.822843]  __alloc_pages_slowpath+0x2667/0x2d80
[  307.827713]  ? mark_held_locks+0x130/0x130
[  307.831949]  ? warn_alloc+0x120/0x120
[  307.835750]  ? warn_alloc+0x120/0x120
[  307.839549]  ? warn_alloc+0x120/0x120
[  307.843346]  ? mark_held_locks+0x130/0x130
[  307.847623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.853175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.858713]  ? should_fail+0x22d/0xd01
[  307.862600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.867700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.873236]  ? should_fail+0x22d/0xd01
[  307.877121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.882219]  ? should_fail+0x22d/0xd01
[  307.886111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.891213]  ? mark_held_locks+0x130/0x130
[  307.895450]  ? mark_held_locks+0x130/0x130
[  307.899689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.905230]  ? trace_hardirqs_off+0xb8/0x310
[  307.909642]  ? kasan_check_read+0x11/0x20
[  307.913791]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.918196]  ? trace_hardirqs_on+0x310/0x310
[  307.922602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.928133]  ? wq_watchdog_touch+0x9c/0xfe
[  307.932365]  ? io_serial_in+0x11/0x90
[  307.936191]  ? retint_kernel+0x2d/0x2d
[  307.940092]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.945021]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.949779]  ? trace_hardirqs_off+0x310/0x310
[  307.954275]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.959395]  __alloc_pages_nodemask+0xa80/0xde0
[  307.964066]  ? should_fail+0x22d/0xd01
[  307.967956]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.972988]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.977662]  ? lock_downgrade+0x900/0x900
[  307.981814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.987354]  cache_grow_begin+0x91/0x8c0
[  307.991425]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.995837]  fallback_alloc+0x203/0x2e0
[  307.999814]  ____cache_alloc_node+0x1c7/0x1e0
[  308.004315]  kmem_cache_alloc_node+0xe3/0x730
[  308.008815]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.013058]  __alloc_skb+0x119/0x770
[  308.016773]  ? skb_scrub_packet+0x490/0x490
[  308.021095]  ? lock_downgrade+0x900/0x900
[  308.025245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.030787]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.036238]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.041686]  ? addrconf_rs_timer+0x690/0x690
[  308.046101]  ndisc_alloc_skb+0x144/0x340
[  308.050181]  ndisc_send_rs+0x331/0x6e0
[  308.054070]  addrconf_rs_timer+0x314/0x690
[  308.058301]  ? lock_release+0x970/0x970
[  308.062271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.066516]  call_timer_fn+0x272/0x920
[  308.070424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.074661]  ? process_timeout+0x40/0x40
[  308.078725]  ? kasan_check_read+0x11/0x20
[  308.082874]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.087289]  ? trace_hardirqs_on+0x310/0x310
[  308.091715]  ? __run_timers+0x7da/0xc70
[  308.095697]  ? lock_downgrade+0x900/0x900
[  308.099852]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.104954]  ? trace_hardirqs_on+0xbd/0x310
[  308.109275]  ? kasan_check_read+0x11/0x20
[  308.113433]  ? __run_timers+0x7da/0xc70
[  308.117428]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.122878]  ? kasan_check_write+0x14/0x20
[  308.127116]  ? do_raw_spin_lock+0xc1/0x200
[  308.131356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.135600]  __run_timers+0x7e5/0xc70
[  308.139435]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  308.144794]  ? compat_start_thread+0x80/0x80
[  308.149198]  ? dequeue_entity+0x1770/0x1770
[  308.153522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.159059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.164604]  ? _raw_spin_unlock_irq+0x60/0x80
[  308.169107]  ? finish_task_switch+0x1f5/0x900
[  308.173600]  ? finish_task_switch+0x1b5/0x900
[  308.178097]  ? __switch_to_asm+0x34/0x70
[  308.182157]  ? preempt_notifier_register+0x200/0x200
[  308.187274]  ? __switch_to_asm+0x34/0x70
[  308.191348]  ? __switch_to_asm+0x40/0x70
[  308.195416]  ? __switch_to_asm+0x34/0x70
[  308.199474]  ? __switch_to_asm+0x40/0x70
[  308.203529]  ? __switch_to_asm+0x34/0x70
[  308.207590]  ? __switch_to_asm+0x40/0x70
[  308.211659]  ? __switch_to_asm+0x40/0x70
[  308.215747]  ? pvclock_read_flags+0x160/0x160
[  308.220257]  ? __schedule+0x874/0x1ed0
[  308.224147]  ? run_rebalance_domains+0x38d/0x500
[  308.228912]  ? trace_hardirqs_on+0xbd/0x310
[  308.233235]  ? kvm_sched_clock_read+0x9/0x20
[  308.237650]  ? run_ksoftirqd+0x94/0x100
[  308.241626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.247172]  ? check_preemption_disabled+0x48/0x200
[  308.252190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.257733]  run_timer_softirq+0x52/0xb0
[  308.261818]  ? __this_cpu_preempt_check+0x1c/0x1f
[  308.266670]  __do_softirq+0x30b/0xad8
[  308.270481]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.275585]  ? trace_hardirqs_off+0xb8/0x310
[  308.279999]  ? schedule+0x108/0x460
[  308.283625]  ? __schedule+0x1ed0/0x1ed0
[  308.287609]  ? run_ksoftirqd+0x40/0x100
[  308.291590]  ? trace_hardirqs_off+0xb8/0x310
[  308.295999]  ? ___might_sleep+0x1ed/0x300
[  308.300140]  ? smpboot_thread_fn+0x68b/0xa00
[  308.304550]  ? trace_hardirqs_on+0x310/0x310
[  308.308960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.314502]  ? check_preemption_disabled+0x48/0x200
[  308.319519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.325055]  ? takeover_tasklets+0xa90/0xa90
[  308.329468]  run_ksoftirqd+0x94/0x100
[  308.333271]  smpboot_thread_fn+0x68b/0xa00
[  308.337509]  ? sort_range+0x30/0x30
[  308.341181]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.346280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.351822]  ? __kthread_parkme+0xfb/0x1a0
[  308.356058]  kthread+0x35a/0x420
[  308.359422]  ? sort_range+0x30/0x30
[  308.363068]  ? kthread_bind+0x40/0x40
[  308.366865]  ret_from_fork+0x3a/0x50
[  308.370583] warn_alloc_show_mem: 1 callbacks suppressed
[  308.370595] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  308.370597] Mem-Info:
[  308.370627] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  308.370627]  active_file:15 inactive_file:15 isolated_file:0
[  308.370627]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.370627]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  308.370627]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  308.370627]  free:13623 free_pcp:480 free_cma:0
[  308.375970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.383258] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.385659] Call Trace:
[  308.418721] Node 0 
[  308.428074]  <IRQ>
[  308.455846] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  308.458416]  dump_stack+0x1c4/0x2b4
[  308.460616] lowmem_reserve[]:
[  308.462763]  ? dump_stack_print_info.cold.2+0x52/0x52
[  308.488254]  0
[  308.491895]  warn_alloc.cold.119+0xb7/0x1bd
[  308.494962]  2819
[  308.500150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.501925]  6323
[  308.506240]  ? lock_downgrade+0x900/0x900
[  308.508274]  6323
[  308.513113]  ? trace_hardirqs_off+0xb8/0x310
[  308.519288]  ? trace_hardirqs_off+0xb8/0x310
[  308.521328] Node 0 
[  308.525732]  __alloc_pages_slowpath+0x2667/0x2d80
[  308.530138] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  308.532364]  ? warn_alloc+0x120/0x120
[  308.537164] lowmem_reserve[]:
[  308.564065]  ? trace_hardirqs_on+0x310/0x310
[  308.567841]  0
[  308.570944]  ? warn_alloc+0x120/0x120
[  308.575322]  0
[  308.577118]  ? warn_alloc+0x120/0x120
[  308.580891]  3503
[  308.582687]  ? ktime_get+0x2e1/0x440
[  308.586464]  3503
[  308.588521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.594264]  ? check_preemption_disabled+0x48/0x200
[  308.599775] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  308.604813]  ? kasan_check_read+0x11/0x20
[  308.604831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.633975] lowmem_reserve[]:
[  308.638151]  ? should_fail+0x22d/0xd01
[  308.643647]  0
[  308.646752]  ? rcu_bh_qs+0xc0/0xc0
[  308.650607]  0
[  308.652408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.655919]  0
[  308.657716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.662790]  0
[  308.664588]  ? should_fail+0x22d/0xd01
[  308.671927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.675800] Node 0 
[  308.680889]  ? should_fail+0x22d/0xd01
[  308.680898] DMA: 
[  308.683147]  ? rcu_idle_enter+0x4b0/0x4b0
[  308.687001] 1*4kB 
[  308.689068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.693186] (U) 
[  308.695343]  ? mark_held_locks+0x130/0x130
[  308.700415] 0*8kB 
[  308.702398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.706623] 0*16kB 
[  308.708769]  ? mark_held_locks+0x130/0x130
[  308.714295] 1*32kB 
[  308.716544]  ? rcu_irq_exit+0xce/0x100
[  308.720745] (U) 
[  308.722975]  ? irq_exit+0xbd/0x1c0
[  308.726835] 2*64kB 
[  308.728808]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  308.732336] (U) 
[  308.734833]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.739818] 1*128kB 
[  308.741784]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.746179] (U) 
[  308.748500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.754369] 1*256kB 
[  308.756347]  ? ret_from_intr+0xb/0x1e
[  308.761857] (U) 
[  308.764177]  ? retint_kernel+0x2d/0x2d
[  308.767967] 0*512kB 
[  308.769938]  ? trace_hardirqs_on_caller+0xc0/0x310
[  308.773795] 1*1024kB 
[  308.776115]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.781025] (U) 
[  308.783441]  ? trace_hardirqs_off+0x310/0x310
[  308.788172] 1*2048kB 
[  308.790146]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.794606] (M) 
[  308.797014]  __alloc_pages_nodemask+0xa80/0xde0
[  308.802116] 3*4096kB 
[  308.804089]  ? should_fail+0x22d/0xd01
[  308.808725] (M) 
[  308.811195]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.815052] = 15908kB
[  308.817034]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.822010] Node 0 
[  308.824418]  ? lock_downgrade+0x900/0x900
[  308.829055] DMA32: 
[  308.831291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.835421] 3*4kB 
[  308.837656]  cache_grow_begin+0x91/0x8c0
[  308.843167] (UM) 
[  308.845311]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.849343] 2*8kB 
[  308.851402]  fallback_alloc+0x203/0x2e0
[  308.855797] (UM) 
[  308.857954]  ____cache_alloc_node+0x1c7/0x1e0
[  308.861907] 2*16kB 
[  308.863965]  kmem_cache_alloc_node+0xe3/0x730
[  308.868434] (M) 
[  308.870662]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.875127] 2*32kB 
[  308.877098]  __alloc_skb+0x119/0x770
[  308.881301] (M) 
[  308.883530]  ? skb_scrub_packet+0x490/0x490
[  308.887223] 4*64kB 
[  308.889195]  ? lock_downgrade+0x900/0x900
[  308.893492] (M) 
[  308.895726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.899843] 3*128kB 
[  308.901815]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.907321] (M) 
[  308.909641]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.915068] 4*256kB 
[  308.917040]  ? addrconf_rs_timer+0x690/0x690
[  308.922482] (UM) 
[  308.924804]  ndisc_alloc_skb+0x144/0x340
[  308.929182] 3*512kB 
[  308.931234]  ndisc_send_rs+0x331/0x6e0
[  308.935267] (M) 
[  308.937581]  addrconf_rs_timer+0x314/0x690
[  308.941449] 3*1024kB 
[  308.943430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.947646] (UM) 
[  308.950058]  call_timer_fn+0x272/0x920
[  308.954261] 3*2048kB 
[  308.956317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.960177] (M) 
[  308.962582]  ? process_timeout+0x40/0x40
[  308.966790] 3*4096kB 
[  308.968764]  ? trace_hardirqs_off+0xb8/0x310
[  308.972795] (M) 
[  308.975205]  ? kasan_check_read+0x11/0x20
[  308.979583] = 24828kB
[  308.981553]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.985675] Node 0 
[  308.988076]  ? trace_hardirqs_on+0x310/0x310
[  308.992456] Normal: 
[  308.994689]  ? __run_timers+0x7da/0xc70
[  308.999086] 1555*4kB 
[  309.001424]  ? lock_downgrade+0x900/0x900
[  309.005367] (UMEH) 
[  309.007813]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.011932] 298*8kB 
[  309.014167]  ? trace_hardirqs_on+0xbd/0x310
[  309.019241] (ME) 
[  309.021559]  ? kasan_check_read+0x11/0x20
[  309.025876] 96*16kB 
[  309.027936]  ? __run_timers+0x7da/0xc70
[  309.032054] (ME) 
[  309.034384]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.038329] 43*32kB 
[  309.040408]  ? kasan_check_write+0x14/0x20
[  309.045832] (UME) 
[  309.048151]  ? do_raw_spin_lock+0xc1/0x200
[  309.052357] 31*64kB 
[  309.054502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.058706] (UM) 
[  309.061058]  __run_timers+0x7e5/0xc70
[  309.065261] 0*128kB 
[  309.067320]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.071091] 1*256kB 
[  309.073430]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.078773] (U) 
[  309.081096]  ? timerqueue_add+0x207/0x2b0
[  309.086080] 0*512kB 
[  309.088045]  ? enqueue_hrtimer+0x1a5/0x560
[  309.092165] 0*1024kB 
[  309.094480]  ? lock_release+0x970/0x970
[  309.098684] 0*2048kB 
[  309.101086]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.105044] 0*4096kB 
[  309.107470]  ? kasan_check_write+0x14/0x20
[  309.112626] = 13756kB
[  309.115046]  ? pvclock_read_flags+0x160/0x160
[  309.119259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.121678]  ? lock_downgrade+0x900/0x900
[  309.126142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.126150] 3632 total pagecache pages
[  309.134983]  ? trace_hardirqs_on+0xbd/0x310
[  309.139100] 0 pages in swap cache
[  309.147672]  ? kvm_sched_clock_read+0x9/0x20
[  309.151532] Swap cache stats: add 0, delete 0, find 0/0
[  309.155848]  ? irq_exit+0x17f/0x1c0
[  309.159271] Free swap  = 0kB
[  309.163691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.169024] Total swap = 0kB
[  309.172645]  ? check_preemption_disabled+0x48/0x200
[  309.175644] 1965979 pages RAM
[  309.181171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.184168] 0 pages HighMem/MovableOnly
[  309.189206]  run_timer_softirq+0x52/0xb0
[  309.192286] 342307 pages reserved
[  309.197827]  ? __this_cpu_preempt_check+0x1c/0x1f
[  309.201786] 0 pages cma reserved
[  309.205853]  __do_softirq+0x30b/0xad8
[  309.209384] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.214128]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.217540] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.221261]  ? pvclock_read_flags+0x160/0x160
[  309.227727] ksoftirqd/0 cpuset=
[  309.232823]  ? lapic_next_event+0x5a/0x90
[  309.243127] /
[  309.247653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.247672]  ? clockevents_program_event+0x140/0x370
[  309.250929]  mems_allowed=0
[  309.255084]  ? kvm_clock_read+0x18/0x30
[  309.274304]  ? kvm_sched_clock_read+0x9/0x20
[  309.278717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.284256]  ? check_preemption_disabled+0x48/0x200
[  309.289277]  irq_exit+0x17f/0x1c0
[  309.292735]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.297578]  ? smp_reschedule_interrupt+0x109/0x650
[  309.302596]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.308488]  ? interrupt_entry+0xb5/0xf0
[  309.312554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.317569]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.322584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.327428]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.332724]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.337745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.343293]  ? check_preemption_disabled+0x48/0x200
[  309.348308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.353855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.358700]  apic_timer_interrupt+0xf/0x20
[  309.362928]  </IRQ>
[  309.365171] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  309.370100] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  309.389015] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  309.396729] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  309.404000] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  309.411268] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  309.418537] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  309.425809] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  309.433098]  ? trace_hardirqs_on+0xb4/0x310
[  309.437664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.443210]  skb_clone+0x1bb/0x500
[  309.446749]  ? finish_task_switch+0x2f5/0x900
[  309.451269]  ? skb_split+0x11e0/0x11e0
[  309.455174]  ? preempt_notifier_register+0x200/0x200
[  309.460279]  ? __switch_to_asm+0x34/0x70
[  309.464341]  ? __switch_to_asm+0x34/0x70
[  309.468411]  ? __switch_to_asm+0x40/0x70
[  309.472486]  ? __switch_to_asm+0x34/0x70
[  309.476579]  ? __switch_to_asm+0x40/0x70
[  309.480656]  ? __switch_to_asm+0x34/0x70
[  309.484717]  ? __switch_to_asm+0x40/0x70
[  309.488778]  ? __switch_to_asm+0x34/0x70
[  309.492841]  ? __switch_to_asm+0x34/0x70
[  309.496903]  ? __switch_to_asm+0x40/0x70
[  309.500966]  ? __switch_to_asm+0x34/0x70
[  309.505037]  bpf_clone_redirect+0xb9/0x490
[  309.509279]  ? __schedule+0x874/0x1ed0
[  309.513174]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  309.518212]  ? __sched_text_start+0x8/0x8
[  309.522365]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.527142]  ? retint_kernel+0x2d/0x2d
[  309.531059]  ? lock_acquire+0x1ed/0x520
[  309.535036]  ? bpf_test_run+0x3cb/0x780
[  309.539026]  ? lock_release+0x970/0x970
[  309.543001]  ? preempt_schedule+0x4d/0x60
[  309.547163]  ? preempt_schedule_common+0x1f/0xd0
[  309.551965]  ? preempt_schedule+0x4d/0x60
[  309.556132]  ? ___preempt_schedule+0x16/0x18
[  309.560556]  ? bpf_test_run+0x25d/0x780
[  309.564541]  ? netlink_diag_dump+0x2a0/0x2a0
[  309.569497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.575125]  ? bpf_test_init.isra.9+0x70/0x100
[  309.579716]  ? bpf_prog_test_run_skb+0x634/0xb40
[  309.584476]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  309.589318]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  309.594859]  ? fput+0x130/0x1a0
[  309.598143]  ? __bpf_prog_get+0x9b/0x290
[  309.602203]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  309.607047]  ? bpf_prog_test_run+0x130/0x1a0
[  309.611458]  ? __x64_sys_bpf+0x3d8/0x510
[  309.615519]  ? bpf_prog_get+0x20/0x20
[  309.619349]  ? do_syscall_64+0x1b9/0x820
[  309.623443]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  309.628814]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.633748]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.638774]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  309.643796]  ? recalc_sigpending_tsk+0x180/0x180
[  309.648566]  ? kasan_check_write+0x14/0x20
[  309.652817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.657685]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  309.663074] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  309.663146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.669929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.669934] Call Trace:
[  309.669960]  dump_stack+0x1c4/0x2b4
[  309.669975]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.669995]  warn_alloc.cold.119+0xb7/0x1bd
[  309.676589] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.685873]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.688426] syz-executor4 cpuset=
[  309.692046]  ? lock_downgrade+0x900/0x900
[  309.697206] syz4
[  309.701522]  ? trace_hardirqs_off+0xb8/0x310
[  309.711984]  mems_allowed=0
[  309.716821]  ? trace_hardirqs_off+0xb8/0x310
[  309.738129]  __alloc_pages_slowpath+0x2667/0x2d80
[  309.742987]  ? mark_held_locks+0x130/0x130
[  309.747232]  ? warn_alloc+0x120/0x120
[  309.751032]  ? warn_alloc+0x120/0x120
[  309.754832]  ? warn_alloc+0x120/0x120
[  309.758631]  ? mark_held_locks+0x130/0x130
[  309.762893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.768430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.773981]  ? should_fail+0x22d/0xd01
[  309.777868]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.782966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.788504]  ? should_fail+0x22d/0xd01
[  309.792399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.797503]  ? should_fail+0x22d/0xd01
[  309.801438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.806564]  ? mark_held_locks+0x130/0x130
[  309.810800]  ? mark_held_locks+0x130/0x130
[  309.815035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.820577]  ? trace_hardirqs_off+0xb8/0x310
[  309.824984]  ? kasan_check_read+0x11/0x20
[  309.829133]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.833567]  ? trace_hardirqs_on+0x310/0x310
[  309.837970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.843532]  ? wq_watchdog_touch+0x9c/0xfe
[  309.847765]  ? io_serial_in+0x11/0x90
[  309.851568]  ? retint_kernel+0x2d/0x2d
[  309.855453]  ? trace_hardirqs_on_caller+0xc0/0x310
[  309.860391]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.865161]  ? trace_hardirqs_off+0x310/0x310
[  309.869665]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.874788]  __alloc_pages_nodemask+0xa80/0xde0
[  309.879475]  ? should_fail+0x22d/0xd01
[  309.883421]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.888454]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.893124]  ? lock_downgrade+0x900/0x900
[  309.897276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.902815]  cache_grow_begin+0x91/0x8c0
[  309.906879]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.911296]  fallback_alloc+0x203/0x2e0
[  309.915292]  ____cache_alloc_node+0x1c7/0x1e0
[  309.919793]  kmem_cache_alloc_node+0xe3/0x730
[  309.924304]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.928541]  __alloc_skb+0x119/0x770
[  309.932257]  ? skb_scrub_packet+0x490/0x490
[  309.936578]  ? lock_downgrade+0x900/0x900
[  309.940906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.946447]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.951895]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.957342]  ? addrconf_rs_timer+0x690/0x690
[  309.961764]  ndisc_alloc_skb+0x144/0x340
[  309.965826]  ndisc_send_rs+0x331/0x6e0
[  309.969713]  addrconf_rs_timer+0x314/0x690
[  309.973962]  ? lock_release+0x970/0x970
[  309.977935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.982185]  call_timer_fn+0x272/0x920
[  309.986071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.990307]  ? process_timeout+0x40/0x40
[  309.994382]  ? kasan_check_read+0x11/0x20
[  309.998536]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.002947]  ? trace_hardirqs_on+0x310/0x310
[  310.007359]  ? __run_timers+0x7da/0xc70
[  310.011379]  ? lock_downgrade+0x900/0x900
[  310.015536]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.020661]  ? trace_hardirqs_on+0xbd/0x310
[  310.024983]  ? kasan_check_read+0x11/0x20
[  310.029129]  ? __run_timers+0x7da/0xc70
[  310.033105]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.038572]  ? kasan_check_write+0x14/0x20
[  310.042810]  ? do_raw_spin_lock+0xc1/0x200
[  310.047051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.051285]  __run_timers+0x7e5/0xc70
[  310.055110]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  310.060474]  ? compat_start_thread+0x80/0x80
[  310.064878]  ? dequeue_entity+0x1770/0x1770
[  310.069200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.074736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.080300]  ? _raw_spin_unlock_irq+0x60/0x80
[  310.084815]  ? finish_task_switch+0x1f5/0x900
[  310.089307]  ? finish_task_switch+0x1b5/0x900
[  310.093804]  ? __switch_to_asm+0x34/0x70
[  310.097882]  ? preempt_notifier_register+0x200/0x200
[  310.102999]  ? __switch_to_asm+0x34/0x70
[  310.107058]  ? __switch_to_asm+0x40/0x70
[  310.111115]  ? __switch_to_asm+0x34/0x70
[  310.115179]  ? __switch_to_asm+0x40/0x70
[  310.119238]  ? __switch_to_asm+0x34/0x70
[  310.123293]  ? __switch_to_asm+0x40/0x70
[  310.127353]  ? __switch_to_asm+0x40/0x70
[  310.131425]  ? pvclock_read_flags+0x160/0x160
[  310.135920]  ? __schedule+0x874/0x1ed0
[  310.139806]  ? run_rebalance_domains+0x38d/0x500
[  310.144570]  ? trace_hardirqs_on+0xbd/0x310
[  310.148891]  ? kvm_sched_clock_read+0x9/0x20
[  310.153297]  ? run_ksoftirqd+0x94/0x100
[  310.157275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.162812]  ? check_preemption_disabled+0x48/0x200
[  310.167825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.173366]  run_timer_softirq+0x52/0xb0
[  310.177438]  ? __this_cpu_preempt_check+0x1c/0x1f
[  310.182279]  __do_softirq+0x30b/0xad8
[  310.186084]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  310.191191]  ? trace_hardirqs_off+0xb8/0x310
[  310.195607]  ? schedule+0x108/0x460
[  310.199236]  ? __schedule+0x1ed0/0x1ed0
[  310.203211]  ? run_ksoftirqd+0x40/0x100
[  310.207186]  ? trace_hardirqs_off+0xb8/0x310
[  310.211596]  ? ___might_sleep+0x1ed/0x300
[  310.215742]  ? smpboot_thread_fn+0x68b/0xa00
[  310.220153]  ? trace_hardirqs_on+0x310/0x310
[  310.224563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.230107]  ? check_preemption_disabled+0x48/0x200
[  310.235121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.240662]  ? takeover_tasklets+0xa90/0xa90
[  310.245072]  run_ksoftirqd+0x94/0x100
[  310.248880]  smpboot_thread_fn+0x68b/0xa00
[  310.253115]  ? sort_range+0x30/0x30
[  310.256744]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.261847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.267391]  ? __kthread_parkme+0xfb/0x1a0
[  310.271631]  kthread+0x35a/0x420
[  310.275018]  ? sort_range+0x30/0x30
[  310.278648]  ? kthread_bind+0x40/0x40
[  310.282453]  ret_from_fork+0x3a/0x50
[  310.286173] warn_alloc_show_mem: 1 callbacks suppressed
[  310.286186] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  310.286188] Mem-Info:
[  310.286220] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  310.286220]  active_file:15 inactive_file:15 isolated_file:0
[  310.286220]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.286220]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  310.286220]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  310.286220]  free:13623 free_pcp:480 free_cma:0
[  310.291556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.298832] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.301232] Call Trace:
[  310.334282] Node 0 
[  310.343631]  <IRQ>
[  310.371417] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  310.373980]  dump_stack+0x1c4/0x2b4
[  310.376177] lowmem_reserve[]:
[  310.378321]  ? dump_stack_print_info.cold.2+0x52/0x52
[  310.403809]  0
[  310.407448]  warn_alloc.cold.119+0xb7/0x1bd
[  310.410513]  2819
[  310.415693]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.417472]  6323
[  310.421790]  ? lock_downgrade+0x900/0x900
[  310.423823]  6323
[  310.428660]  ? trace_hardirqs_off+0xb8/0x310
[  310.434836]  ? trace_hardirqs_off+0xb8/0x310
[  310.436874] Node 0 
[  310.441283]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.445690] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  310.447907]  ? warn_alloc+0x120/0x120
[  310.452713] lowmem_reserve[]:
[  310.479615]  ? trace_hardirqs_on+0x310/0x310
[  310.483396]  0
[  310.486513]  ? warn_alloc+0x120/0x120
[  310.490893]  0
[  310.492690]  ? warn_alloc+0x120/0x120
[  310.496477]  3503
[  310.498271]  ? ktime_get+0x2e1/0x440
[  310.502042]  3503
[  310.504100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.509860]  ? check_preemption_disabled+0x48/0x200
[  310.515369] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  310.520430]  ? kasan_check_read+0x11/0x20
[  310.520449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.549583] lowmem_reserve[]:
[  310.553738]  ? should_fail+0x22d/0xd01
[  310.559239]  0
[  310.562346]  ? rcu_bh_qs+0xc0/0xc0
[  310.566200]  0
[  310.567998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.571512]  0
[  310.573309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.578391]  0
[  310.580203]  ? should_fail+0x22d/0xd01
[  310.587503]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.591360] Node 0 
[  310.596462]  ? should_fail+0x22d/0xd01
[  310.596465] DMA: 1*4kB 
[  310.598709]  ? rcu_idle_enter+0x4b0/0x4b0
[  310.602564] (U) 
[  310.605155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.609286] 0*8kB 
[  310.611282]  ? mark_held_locks+0x130/0x130
[  310.616370] 0*16kB 
[  310.618523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.622783] 1*32kB 
[  310.625023]  ? mark_held_locks+0x130/0x130
[  310.630532] (U) 
[  310.632782]  ? rcu_irq_exit+0xce/0x100
[  310.636980] 2*64kB (U) 
[  310.638961]  ? irq_exit+0xbd/0x1c0
[  310.642816] 1*128kB 
[  310.645416]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  310.648932] (U) 
[  310.651271]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.656256] 1*256kB 
[  310.658225]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.662609] (U) 
[  310.664941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.670791] 0*512kB 
[  310.672758]  ? ret_from_intr+0xb/0x1e
[  310.678293] 1*1024kB 
[  310.680608]  ? retint_kernel+0x2d/0x2d
[  310.684400] (U) 
[  310.686803]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.690683] 1*2048kB 
[  310.692654]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.697551] (M) 3*4096kB 
[  310.699966]  ? trace_hardirqs_off+0x310/0x310
[  310.704694] (M) 
[  310.707450]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.711916] = 15908kB
[  310.713909]  __alloc_pages_nodemask+0xa80/0xde0
[  310.718980] Node 0 
[  310.721398]  ? should_fail+0x22d/0xd01
[  310.726036] DMA32: 
[  310.728267]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  310.732126] 3*4kB 
[  310.734421]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.739413] (UM) 
[  310.741568]  ? lock_downgrade+0x900/0x900
[  310.746222] 2*8kB 
[  310.748278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.752400] (UM) 
[  310.754561]  cache_grow_begin+0x91/0x8c0
[  310.760073] 2*16kB 
[  310.762133]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.766164] (M) 
[  310.768403]  fallback_alloc+0x203/0x2e0
[  310.772785] 2*32kB 
[  310.774756]  ____cache_alloc_node+0x1c7/0x1e0
[  310.778702] (M) 
[  310.780963]  kmem_cache_alloc_node+0xe3/0x730
[  310.785450] 4*64kB 
[  310.787423]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.791886] (M) 
[  310.794117]  __alloc_skb+0x119/0x770
[  310.798324] 3*128kB 
[  310.800288]  ? skb_scrub_packet+0x490/0x490
[  310.803975] (M) 
[  310.806293]  ? lock_downgrade+0x900/0x900
[  310.810590] 4*256kB 
[  310.812561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.816678] (UM) 
[  310.819001]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.824522] 3*512kB 
[  310.826578]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.832015] (M) 
[  310.834337]  ? addrconf_rs_timer+0x690/0x690
[  310.839764] 3*1024kB 
[  310.841738]  ndisc_alloc_skb+0x144/0x340
[  310.846115] (UM) 
[  310.848523]  ndisc_send_rs+0x331/0x6e0
[  310.852577] 3*2048kB 
[  310.854635]  addrconf_rs_timer+0x314/0x690
[  310.858511] (M) 
[  310.860927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.865163] 3*4096kB 
[  310.867184]  call_timer_fn+0x272/0x920
[  310.871389] (M) 
[  310.873795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.877659] = 24828kB
[  310.879629]  ? process_timeout+0x40/0x40
[  310.883844] Node 0 
[  310.886250]  ? trace_hardirqs_off+0xb8/0x310
[  310.890281] Normal: 
[  310.892549]  ? kasan_check_read+0x11/0x20
[  310.897013] 1555*4kB 
[  310.899331]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.903464] (UMEH) 
[  310.905873]  ? trace_hardirqs_on+0x310/0x310
[  310.910286] 298*8kB 
[  310.912518]  ? __run_timers+0x7da/0xc70
[  310.916896] (ME) 
[  310.919213]  ? lock_downgrade+0x900/0x900
[  310.923154] 96*16kB 
[  310.925220]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.929333] (ME) 
[  310.931667]  ? trace_hardirqs_on+0xbd/0x310
[  310.936744] 43*32kB 
[  310.938805]  ? kasan_check_read+0x11/0x20
[  310.943094] (UME) 
[  310.945420]  ? __run_timers+0x7da/0xc70
[  310.949540] 31*64kB 
[  310.951687]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.955654] (UM) 
[  310.957972]  ? kasan_check_write+0x14/0x20
[  310.963398] 0*128kB 
[  310.965455]  ? do_raw_spin_lock+0xc1/0x200
[  310.969664] 1*256kB 
[  310.972007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.976212] (U) 
[  310.978546]  __run_timers+0x7e5/0xc70
[  310.982756] 0*512kB 
[  310.984733]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  310.988503] 0*1024kB 
[  310.990822]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  310.996156] 0*2048kB 
[  310.998562]  ? timerqueue_add+0x207/0x2b0
[  311.003543] 0*4096kB = 13756kB
[  311.005957]  ? enqueue_hrtimer+0x1a5/0x560
[  311.010097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.013276]  ? lock_release+0x970/0x970
[  311.017489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.026330]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.030278] 3632 total pagecache pages
[  311.038851]  ? kasan_check_write+0x14/0x20
[  311.044011] 0 pages in swap cache
[  311.047892]  ? pvclock_read_flags+0x160/0x160
[  311.052097] Swap cache stats: add 0, delete 0, find 0/0
[  311.055538]  ? lock_downgrade+0x900/0x900
[  311.060005] Free swap  = 0kB
[  311.065359]  ? trace_hardirqs_on+0xbd/0x310
[  311.069497] Total swap = 0kB
[  311.072512]  ? kvm_sched_clock_read+0x9/0x20
[  311.076806] 1965979 pages RAM
[  311.079824]  ? irq_exit+0x17f/0x1c0
[  311.084204] 0 pages HighMem/MovableOnly
[  311.087303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.090901] 342307 pages reserved
[  311.094866]  ? check_preemption_disabled+0x48/0x200
[  311.100383] 0 pages cma reserved
[  311.103847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.108908] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.112199]  run_timer_softirq+0x52/0xb0
[  311.117789] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.124225]  ? __this_cpu_preempt_check+0x1c/0x1f
[  311.128261] ksoftirqd/0 cpuset=
[  311.138583]  __do_softirq+0x30b/0xad8
[  311.143406] /
[  311.146679]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  311.150449]  mems_allowed=0
[  311.152154]  ? pvclock_read_flags+0x160/0x160
[  311.164630]  ? lapic_next_event+0x5a/0x90
[  311.168797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.174330]  ? clockevents_program_event+0x140/0x370
[  311.179432]  ? kvm_clock_read+0x18/0x30
[  311.183441]  ? kvm_sched_clock_read+0x9/0x20
[  311.187854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.193411]  ? check_preemption_disabled+0x48/0x200
[  311.198463]  irq_exit+0x17f/0x1c0
[  311.201936]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.206777]  ? smp_reschedule_interrupt+0x109/0x650
[  311.211798]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.217690]  ? interrupt_entry+0xb5/0xf0
[  311.221758]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.226774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.231792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.236636]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.241649]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.246698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.252257]  ? check_preemption_disabled+0x48/0x200
[  311.257278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.262827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.267677]  apic_timer_interrupt+0xf/0x20
[  311.271907]  </IRQ>
[  311.274155] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  311.279108] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  311.298035] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  311.305780] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  311.313047] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  311.320317] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  311.327617] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  311.334904] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  311.342199]  ? trace_hardirqs_on+0xb4/0x310
[  311.346562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.352104]  skb_clone+0x1bb/0x500
[  311.355647]  ? finish_task_switch+0x2f5/0x900
[  311.360146]  ? skb_split+0x11e0/0x11e0
[  311.364035]  ? preempt_notifier_register+0x200/0x200
[  311.369147]  ? __switch_to_asm+0x34/0x70
[  311.373210]  ? __switch_to_asm+0x34/0x70
[  311.377267]  ? __switch_to_asm+0x40/0x70
[  311.381329]  ? __switch_to_asm+0x34/0x70
[  311.385396]  ? __switch_to_asm+0x40/0x70
[  311.389457]  ? __switch_to_asm+0x34/0x70
[  311.393513]  ? __switch_to_asm+0x40/0x70
[  311.397569]  ? __switch_to_asm+0x34/0x70
[  311.401631]  ? __switch_to_asm+0x34/0x70
[  311.405691]  ? __switch_to_asm+0x40/0x70
[  311.409764]  ? __switch_to_asm+0x34/0x70
[  311.413868]  bpf_clone_redirect+0xb9/0x490
[  311.418123]  ? __schedule+0x874/0x1ed0
[  311.422018]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  311.427039]  ? __sched_text_start+0x8/0x8
[  311.431193]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.436195]  ? retint_kernel+0x2d/0x2d
[  311.441483]  ? lock_acquire+0x1ed/0x520
[  311.445458]  ? bpf_test_run+0x3cb/0x780
[  311.449455]  ? lock_release+0x970/0x970
[  311.453445]  ? preempt_schedule+0x4d/0x60
[  311.457592]  ? preempt_schedule_common+0x1f/0xd0
[  311.462347]  ? preempt_schedule+0x4d/0x60
[  311.466503]  ? ___preempt_schedule+0x16/0x18
[  311.470921]  ? bpf_test_run+0x25d/0x780
[  311.474900]  ? netlink_diag_dump+0x2a0/0x2a0
[  311.479341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.484888]  ? bpf_test_init.isra.9+0x70/0x100
[  311.489476]  ? bpf_prog_test_run_skb+0x634/0xb40
[  311.494240]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  311.499085]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  311.504629]  ? fput+0x130/0x1a0
[  311.507908]  ? __bpf_prog_get+0x9b/0x290
[  311.512020]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  311.516895]  ? bpf_prog_test_run+0x130/0x1a0
[  311.521329]  ? __x64_sys_bpf+0x3d8/0x510
[  311.525397]  ? bpf_prog_get+0x20/0x20
[  311.529242]  ? do_syscall_64+0x1b9/0x820
[  311.533311]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  311.538677]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.543642]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.548669]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  311.553691]  ? recalc_sigpending_tsk+0x180/0x180
[  311.558457]  ? kasan_check_write+0x14/0x20
[  311.562696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.568072]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  311.573454] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  311.573518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.580296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.580300] Call Trace:
[  311.580339]  dump_stack+0x1c4/0x2b4
[  311.580355]  ? dump_stack_print_info.cold.2+0x52/0x52
[  311.586954] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.596213]  warn_alloc.cold.119+0xb7/0x1bd
[  311.598794] syz-executor4 cpuset=
[  311.602419]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.607581] syz4
[  311.618095]  ? lock_downgrade+0x900/0x900
[  311.622410]  mems_allowed=0
[  311.625858]  ? trace_hardirqs_off+0xb8/0x310
[  311.644125]  ? trace_hardirqs_off+0xb8/0x310
[  311.648546]  __alloc_pages_slowpath+0x2667/0x2d80
[  311.653414]  ? mark_held_locks+0x130/0x130
[  311.657665]  ? warn_alloc+0x120/0x120
[  311.661475]  ? warn_alloc+0x120/0x120
[  311.665276]  ? warn_alloc+0x120/0x120
[  311.669111]  ? mark_held_locks+0x130/0x130
[  311.673353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.678936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.684490]  ? should_fail+0x22d/0xd01
[  311.688391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.693498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.699048]  ? should_fail+0x22d/0xd01
[  311.702933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.708037]  ? should_fail+0x22d/0xd01
[  311.711931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.717082]  ? mark_held_locks+0x130/0x130
[  311.721322]  ? mark_held_locks+0x130/0x130
[  311.725558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.731098]  ? trace_hardirqs_off+0xb8/0x310
[  311.735503]  ? kasan_check_read+0x11/0x20
[  311.739655]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.744062]  ? trace_hardirqs_on+0x310/0x310
[  311.748508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.754041]  ? wq_watchdog_touch+0x9c/0xfe
[  311.758277]  ? io_serial_in+0x11/0x90
[  311.762081]  ? retint_kernel+0x2d/0x2d
[  311.765970]  ? trace_hardirqs_on_caller+0xc0/0x310
[  311.770900]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  311.775659]  ? trace_hardirqs_off+0x310/0x310
[  311.780192]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.785303]  __alloc_pages_nodemask+0xa80/0xde0
[  311.789988]  ? should_fail+0x22d/0xd01
[  311.793879]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  311.798909]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.803586]  ? lock_downgrade+0x900/0x900
[  311.807739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.813285]  cache_grow_begin+0x91/0x8c0
[  311.817366]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.821810]  fallback_alloc+0x203/0x2e0
[  311.825799]  ____cache_alloc_node+0x1c7/0x1e0
[  311.830301]  kmem_cache_alloc_node+0xe3/0x730
[  311.834801]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.839054]  __alloc_skb+0x119/0x770
[  311.842774]  ? skb_scrub_packet+0x490/0x490
[  311.847096]  ? lock_downgrade+0x900/0x900
[  311.851252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.856799]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.862251]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.867703]  ? addrconf_rs_timer+0x690/0x690
[  311.872116]  ndisc_alloc_skb+0x144/0x340
[  311.876175]  ndisc_send_rs+0x331/0x6e0
[  311.880063]  addrconf_rs_timer+0x314/0x690
[  311.884296]  ? lock_release+0x970/0x970
[  311.888271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.892519]  call_timer_fn+0x272/0x920
[  311.896421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.900658]  ? process_timeout+0x40/0x40
[  311.904719]  ? kasan_check_read+0x11/0x20
[  311.908895]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.913305]  ? trace_hardirqs_on+0x310/0x310
[  311.917720]  ? __run_timers+0x7da/0xc70
[  311.921696]  ? lock_downgrade+0x900/0x900
[  311.925848]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.930953]  ? trace_hardirqs_on+0xbd/0x310
[  311.935278]  ? kasan_check_read+0x11/0x20
[  311.939428]  ? __run_timers+0x7da/0xc70
[  311.943412]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.948868]  ? kasan_check_write+0x14/0x20
[  311.953117]  ? do_raw_spin_lock+0xc1/0x200
[  311.957437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.961690]  __run_timers+0x7e5/0xc70
[  311.965501]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.970864]  ? compat_start_thread+0x80/0x80
[  311.975283]  ? dequeue_entity+0x1770/0x1770
[  311.979616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.985172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.990712]  ? _raw_spin_unlock_irq+0x60/0x80
[  311.995224]  ? finish_task_switch+0x1f5/0x900
[  311.999713]  ? finish_task_switch+0x1b5/0x900
[  312.004219]  ? __switch_to_asm+0x34/0x70
[  312.008280]  ? preempt_notifier_register+0x200/0x200
[  312.013391]  ? __switch_to_asm+0x34/0x70
[  312.017457]  ? __switch_to_asm+0x40/0x70
[  312.021530]  ? __switch_to_asm+0x34/0x70
[  312.025600]  ? __switch_to_asm+0x40/0x70
[  312.029664]  ? __switch_to_asm+0x34/0x70
[  312.033724]  ? __switch_to_asm+0x40/0x70
[  312.037798]  ? __switch_to_asm+0x40/0x70
[  312.041861]  ? pvclock_read_flags+0x160/0x160
[  312.046356]  ? __schedule+0x874/0x1ed0
[  312.050251]  ? run_rebalance_domains+0x38d/0x500
[  312.055013]  ? trace_hardirqs_on+0xbd/0x310
[  312.059336]  ? kvm_sched_clock_read+0x9/0x20
[  312.063743]  ? run_ksoftirqd+0x94/0x100
[  312.067721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.073266]  ? check_preemption_disabled+0x48/0x200
[  312.078284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.083829]  run_timer_softirq+0x52/0xb0
[  312.087894]  ? __this_cpu_preempt_check+0x1c/0x1f
[  312.092736]  __do_softirq+0x30b/0xad8
[  312.096554]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  312.101702]  ? trace_hardirqs_off+0xb8/0x310
[  312.106129]  ? schedule+0x108/0x460
[  312.109758]  ? __schedule+0x1ed0/0x1ed0
[  312.113733]  ? run_ksoftirqd+0x40/0x100
[  312.117707]  ? trace_hardirqs_off+0xb8/0x310
[  312.122144]  ? ___might_sleep+0x1ed/0x300
[  312.126291]  ? smpboot_thread_fn+0x68b/0xa00
[  312.130715]  ? trace_hardirqs_on+0x310/0x310
[  312.135125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.140668]  ? check_preemption_disabled+0x48/0x200
[  312.145685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.151226]  ? takeover_tasklets+0xa90/0xa90
[  312.155643]  run_ksoftirqd+0x94/0x100
[  312.159447]  smpboot_thread_fn+0x68b/0xa00
[  312.163685]  ? sort_range+0x30/0x30
[  312.167318]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.172433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.177991]  ? __kthread_parkme+0xfb/0x1a0
[  312.182256]  kthread+0x35a/0x420
[  312.185644]  ? sort_range+0x30/0x30
[  312.189266]  ? kthread_bind+0x40/0x40
[  312.193100]  ret_from_fork+0x3a/0x50
[  312.196858] warn_alloc_show_mem: 1 callbacks suppressed
[  312.196871] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  312.196873] Mem-Info:
[  312.196907] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  312.196907]  active_file:15 inactive_file:15 isolated_file:0
[  312.196907]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.196907]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  312.196907]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  312.196907]  free:13623 free_pcp:480 free_cma:0
[  312.202255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.209552] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.211955] Call Trace:
[  312.245010] Node 0 
[  312.254368]  <IRQ>
[  312.282154] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  312.284724]  dump_stack+0x1c4/0x2b4
[  312.286925] lowmem_reserve[]:
[  312.289072]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.314564]  0
[  312.318204]  warn_alloc.cold.119+0xb7/0x1bd
[  312.321271]  2819
[  312.326463]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.328250]  6323
[  312.332569]  ? lock_downgrade+0x900/0x900
[  312.334602]  6323
[  312.339445]  ? trace_hardirqs_off+0xb8/0x310
[  312.345611]  ? trace_hardirqs_off+0xb8/0x310
[  312.347650] Node 0 
[  312.352057]  __alloc_pages_slowpath+0x2667/0x2d80
[  312.357100] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  312.359342]  ? warn_alloc+0x120/0x120
[  312.364146] lowmem_reserve[]:
[  312.391056]  ? trace_hardirqs_on+0x310/0x310
[  312.394829]  0
[  312.397950]  ? warn_alloc+0x120/0x120
[  312.402324]  0
[  312.404126]  ? warn_alloc+0x120/0x120
[  312.407899]  3503
[  312.409699]  ? ktime_get+0x2e1/0x440
[  312.413464]  3503
[  312.415528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.419215] Node 0 
[  312.421274]  ? check_preemption_disabled+0x48/0x200
[  312.426805] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  312.429036]  ? kasan_check_read+0x11/0x20
[  312.434020] lowmem_reserve[]:
[  312.462581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.466716]  0
[  312.469817]  ? should_fail+0x22d/0xd01
[  312.475333]  0
[  312.477185]  ? rcu_bh_qs+0xc0/0xc0
[  312.481043]  0
[  312.482846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.486354]  0
[  312.488164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.495030]  ? should_fail+0x22d/0xd01
[  312.500548] Node 0 DMA: 
[  312.504433]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.504448]  ? should_fail+0x22d/0xd01
[  312.507098] 1*4kB 
[  312.512198]  ? rcu_idle_enter+0x4b0/0x4b0
[  312.516052] (U) 
[  312.518198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.522323] 0*8kB 
[  312.524292]  ? mark_held_locks+0x130/0x130
[  312.529367] 0*16kB 
[  312.531522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.535724] 1*32kB 
[  312.537958]  ? mark_held_locks+0x130/0x130
[  312.543472] (U) 
[  312.545710]  ? rcu_irq_exit+0xce/0x100
[  312.549912] 2*64kB 
[  312.551883]  ? irq_exit+0xbd/0x1c0
[  312.555743] (U) 
[  312.557980]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  312.561498] 1*128kB 
[  312.563470]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.568456] (U) 
[  312.570778]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.575154] 1*256kB 
[  312.577124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.582976] (U) 
[  312.585297]  ? ret_from_intr+0xb/0x1e
[  312.590805] 0*512kB 
[  312.592797]  ? retint_kernel+0x2d/0x2d
[  312.596567] 1*1024kB 
[  312.598882]  ? trace_hardirqs_on_caller+0xc0/0x310
[  312.602738] (U) 
[  312.605183]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.610101] 1*2048kB 
[  312.612074]  ? trace_hardirqs_off+0x310/0x310
[  312.616802] (M) 
[  312.619215]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.623677] 3*4096kB 
[  312.625657]  __alloc_pages_nodemask+0xa80/0xde0
[  312.630732] (M) 
[  312.633151]  ? should_fail+0x22d/0xd01
[  312.637786] = 15908kB
[  312.639759]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.643618] Node 0 
[  312.646034]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.651007] DMA32: 
[  312.653239]  ? lock_downgrade+0x900/0x900
[  312.657876] 3*4kB 
[  312.660120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.664250] (UM) 
[  312.666407]  cache_grow_begin+0x91/0x8c0
[  312.671914] 2*8kB 
[  312.673975]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.678001] (UM) 
[  312.680153]  fallback_alloc+0x203/0x2e0
[  312.684529] 2*16kB 
[  312.686586]  ____cache_alloc_node+0x1c7/0x1e0
[  312.690533] (M) 
[  312.692767]  kmem_cache_alloc_node+0xe3/0x730
[  312.697256] 2*32kB 
[  312.699226]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.703692] (M) 
[  312.705923]  __alloc_skb+0x119/0x770
[  312.710141] 4*64kB (M) 
[  312.712123]  ? skb_scrub_packet+0x490/0x490
[  312.715810] 3*128kB 
[  312.718400]  ? lock_downgrade+0x900/0x900
[  312.722693] (M) 
[  312.725015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.729132] 4*256kB 
[  312.731105]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.736611] (UM) 
[  312.738931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.744353] 3*512kB 
[  312.746423]  ? addrconf_rs_timer+0x690/0x690
[  312.751868] (M) 
[  312.754185]  ndisc_alloc_skb+0x144/0x340
[  312.758565] 3*1024kB 
[  312.760536]  ndisc_send_rs+0x331/0x6e0
[  312.764573] (UM) 
[  312.766977]  addrconf_rs_timer+0x314/0x690
[  312.770843] 3*2048kB 
[  312.772900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.777119] (M) 
[  312.779532]  call_timer_fn+0x272/0x920
[  312.783735] 3*4096kB 
[  312.785707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.789569] (M) 
[  312.791984]  ? process_timeout+0x40/0x40
[  312.796188] = 24828kB
[  312.798160]  ? trace_hardirqs_off+0xb8/0x310
[  312.802190] Node 0 
[  312.804599]  ? kasan_check_read+0x11/0x20
[  312.808973] Normal: 
[  312.811241]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.815383] 1555*4kB 
[  312.817702]  ? trace_hardirqs_on+0x310/0x310
[  312.822080] (UMEH) 
[  312.824486]  ? __run_timers+0x7da/0xc70
[  312.828888] 298*8kB (ME) 
[  312.831155]  ? lock_downgrade+0x900/0x900
[  312.835106] 96*16kB (ME) 
[  312.837913]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.842032] 43*32kB 
[  312.844782]  ? trace_hardirqs_on+0xbd/0x310
[  312.849853] (UME) 
[  312.852172]  ? kasan_check_read+0x11/0x20
[  312.856462] 31*64kB 
[  312.858610]  ? __run_timers+0x7da/0xc70
[  312.862731] (UM) 
[  312.865053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.868999] 0*128kB 
[  312.871061]  ? kasan_check_write+0x14/0x20
[  312.876484] 1*256kB 
[  312.878807]  ? do_raw_spin_lock+0xc1/0x200
[  312.883008] (U) 
[  312.885325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.889536] 0*512kB 
[  312.891511]  __run_timers+0x7e5/0xc70
[  312.895713] 0*1024kB 
[  312.898034]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  312.901804] 0*2048kB 
[  312.904209]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  312.909544] 0*4096kB 
[  312.911952]  ? timerqueue_add+0x207/0x2b0
[  312.916939] = 13756kB
[  312.919341]  ? enqueue_hrtimer+0x1a5/0x560
[  312.923477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  312.925876]  ? lock_release+0x970/0x970
[  312.930101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  312.938926]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  312.942871] 3632 total pagecache pages
[  312.951452]  ? kasan_check_write+0x14/0x20
[  312.956606] 0 pages in swap cache
[  312.960496]  ? pvclock_read_flags+0x160/0x160
[  312.964699] Swap cache stats: add 0, delete 0, find 0/0
[  312.968151]  ? lock_downgrade+0x900/0x900
[  312.972613] Free swap  = 0kB
[  312.977976]  ? trace_hardirqs_on+0xbd/0x310
[  312.982090] Total swap = 0kB
[  312.985120]  ? kvm_sched_clock_read+0x9/0x20
[  312.989444] 1965979 pages RAM
[  312.992470]  ? irq_exit+0x17f/0x1c0
[  312.996847] 0 pages HighMem/MovableOnly
[  312.999950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.003550] 342307 pages reserved
[  313.007530]  ? check_preemption_disabled+0x48/0x200
[  313.013051] 0 pages cma reserved
[  313.016500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.021556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.024851]  run_timer_softirq+0x52/0xb0
[  313.030444] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.036858]  ? __this_cpu_preempt_check+0x1c/0x1f
[  313.040908] ksoftirqd/0 cpuset=
[  313.051221]  __do_softirq+0x30b/0xad8
[  313.056033] /
[  313.059324]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.063146]  mems_allowed=0
[  313.064857]  ? pvclock_read_flags+0x160/0x160
[  313.077337]  ? lapic_next_event+0x5a/0x90
[  313.081490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.087041]  ? clockevents_program_event+0x140/0x370
[  313.092150]  ? kvm_clock_read+0x18/0x30
[  313.096147]  ? kvm_sched_clock_read+0x9/0x20
[  313.100600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.106145]  ? check_preemption_disabled+0x48/0x200
[  313.111171]  irq_exit+0x17f/0x1c0
[  313.114622]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.119462]  ? smp_reschedule_interrupt+0x109/0x650
[  313.124478]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.130364]  ? interrupt_entry+0xb5/0xf0
[  313.134436]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.139451]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.144481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.149324]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.154339]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.159358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.164908]  ? check_preemption_disabled+0x48/0x200
[  313.169920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.175476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.180323]  apic_timer_interrupt+0xf/0x20
[  313.184549]  </IRQ>
[  313.186790] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.191720] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  313.210623] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  313.218336] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  313.225604] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  313.232871] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  313.240142] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  313.247428] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  313.254725]  ? trace_hardirqs_on+0xb4/0x310
[  313.259060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.264609]  skb_clone+0x1bb/0x500
[  313.268161]  ? finish_task_switch+0x2f5/0x900
[  313.272672]  ? skb_split+0x11e0/0x11e0
[  313.276583]  ? preempt_notifier_register+0x200/0x200
[  313.281685]  ? __switch_to_asm+0x34/0x70
[  313.285755]  ? __switch_to_asm+0x34/0x70
[  313.289812]  ? __switch_to_asm+0x40/0x70
[  313.293873]  ? __switch_to_asm+0x34/0x70
[  313.297929]  ? __switch_to_asm+0x40/0x70
[  313.301989]  ? __switch_to_asm+0x34/0x70
[  313.306045]  ? __switch_to_asm+0x40/0x70
[  313.310105]  ? __switch_to_asm+0x34/0x70
[  313.314167]  ? __switch_to_asm+0x34/0x70
[  313.318227]  ? __switch_to_asm+0x40/0x70
[  313.322283]  ? __switch_to_asm+0x34/0x70
[  313.326353]  bpf_clone_redirect+0xb9/0x490
[  313.330595]  ? __schedule+0x874/0x1ed0
[  313.334497]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  313.339516]  ? __sched_text_start+0x8/0x8
[  313.343666]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.348440]  ? retint_kernel+0x2d/0x2d
[  313.352353]  ? lock_acquire+0x1ed/0x520
[  313.356333]  ? bpf_test_run+0x3cb/0x780
[  313.360317]  ? lock_release+0x970/0x970
[  313.364292]  ? preempt_schedule+0x4d/0x60
[  313.368442]  ? preempt_schedule_common+0x1f/0xd0
[  313.373196]  ? preempt_schedule+0x4d/0x60
[  313.377399]  ? ___preempt_schedule+0x16/0x18
[  313.381825]  ? bpf_test_run+0x25d/0x780
[  313.385812]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.390252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.395785]  ? bpf_test_init.isra.9+0x70/0x100
[  313.400410]  ? bpf_prog_test_run_skb+0x634/0xb40
[  313.405192]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  313.410033]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  313.415590]  ? fput+0x130/0x1a0
[  313.418871]  ? __bpf_prog_get+0x9b/0x290
[  313.422933]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  313.427772]  ? bpf_prog_test_run+0x130/0x1a0
[  313.432183]  ? __x64_sys_bpf+0x3d8/0x510
[  313.436413]  ? bpf_prog_get+0x20/0x20
[  313.440313]  ? do_syscall_64+0x1b9/0x820
[  313.444382]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  313.449749]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.454684]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.459702]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  313.464721]  ? recalc_sigpending_tsk+0x180/0x180
[  313.469479]  ? kasan_check_write+0x14/0x20
[  313.473718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.478571]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  313.483964] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  313.484031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.490809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.490813] Call Trace:
[  313.490836]  dump_stack+0x1c4/0x2b4
[  313.490853]  ? dump_stack_print_info.cold.2+0x52/0x52
[  313.497434] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.506700]  warn_alloc.cold.119+0xb7/0x1bd
[  313.509252] syz-executor4 cpuset=
[  313.512884]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.518060] syz4
[  313.528549]  ? lock_downgrade+0x900/0x900
[  313.532847]  mems_allowed=0
[  313.536292]  ? trace_hardirqs_off+0xb8/0x310
[  313.554592]  ? trace_hardirqs_off+0xb8/0x310
[  313.559005]  __alloc_pages_slowpath+0x2667/0x2d80
[  313.563877]  ? mark_held_locks+0x130/0x130
[  313.568252]  ? warn_alloc+0x120/0x120
[  313.572056]  ? warn_alloc+0x120/0x120
[  313.575859]  ? warn_alloc+0x120/0x120
[  313.579670]  ? mark_held_locks+0x130/0x130
[  313.583908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.589445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.594980]  ? should_fail+0x22d/0xd01
[  313.598871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.603974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.609507]  ? should_fail+0x22d/0xd01
[  313.613405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.618505]  ? should_fail+0x22d/0xd01
[  313.622413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.627555]  ? mark_held_locks+0x130/0x130
[  313.631794]  ? mark_held_locks+0x130/0x130
[  313.636045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.641585]  ? trace_hardirqs_off+0xb8/0x310
[  313.646000]  ? kasan_check_read+0x11/0x20
[  313.650150]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.654558]  ? trace_hardirqs_on+0x310/0x310
[  313.658972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.664512]  ? wq_watchdog_touch+0x9c/0xfe
[  313.668750]  ? io_serial_in+0x11/0x90
[  313.672554]  ? retint_kernel+0x2d/0x2d
[  313.676443]  ? trace_hardirqs_on_caller+0xc0/0x310
[  313.681384]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.686151]  ? trace_hardirqs_off+0x310/0x310
[  313.690668]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.695794]  __alloc_pages_nodemask+0xa80/0xde0
[  313.700462]  ? should_fail+0x22d/0xd01
[  313.704352]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  313.709410]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.714081]  ? lock_downgrade+0x900/0x900
[  313.718236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.723779]  cache_grow_begin+0x91/0x8c0
[  313.727932]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.732346]  fallback_alloc+0x203/0x2e0
[  313.736343]  ____cache_alloc_node+0x1c7/0x1e0
[  313.740847]  kmem_cache_alloc_node+0xe3/0x730
[  313.745357]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.749603]  __alloc_skb+0x119/0x770
[  313.753324]  ? skb_scrub_packet+0x490/0x490
[  313.757647]  ? lock_downgrade+0x900/0x900
[  313.761800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.767339]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.772796]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.778249]  ? addrconf_rs_timer+0x690/0x690
[  313.782669]  ndisc_alloc_skb+0x144/0x340
[  313.786734]  ndisc_send_rs+0x331/0x6e0
[  313.790625]  addrconf_rs_timer+0x314/0x690
[  313.794861]  ? lock_release+0x970/0x970
[  313.798833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.803075]  call_timer_fn+0x272/0x920
[  313.806958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.811189]  ? process_timeout+0x40/0x40
[  313.815255]  ? kasan_check_read+0x11/0x20
[  313.819439]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.823847]  ? trace_hardirqs_on+0x310/0x310
[  313.828258]  ? __run_timers+0x7da/0xc70
[  313.832230]  ? lock_downgrade+0x900/0x900
[  313.836390]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.841495]  ? trace_hardirqs_on+0xbd/0x310
[  313.845816]  ? kasan_check_read+0x11/0x20
[  313.849963]  ? __run_timers+0x7da/0xc70
[  313.853936]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.859397]  ? kasan_check_write+0x14/0x20
[  313.863653]  ? do_raw_spin_lock+0xc1/0x200
[  313.867890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.872155]  __run_timers+0x7e5/0xc70
[  313.875981]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.881341]  ? compat_start_thread+0x80/0x80
[  313.885745]  ? dequeue_entity+0x1770/0x1770
[  313.890069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.895604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.901164]  ? _raw_spin_unlock_irq+0x60/0x80
[  313.905667]  ? finish_task_switch+0x1f5/0x900
[  313.910158]  ? finish_task_switch+0x1b5/0x900
[  313.914662]  ? __switch_to_asm+0x34/0x70
[  313.918725]  ? preempt_notifier_register+0x200/0x200
[  313.923833]  ? __switch_to_asm+0x34/0x70
[  313.927895]  ? __switch_to_asm+0x40/0x70
[  313.931951]  ? __switch_to_asm+0x34/0x70
[  313.936010]  ? __switch_to_asm+0x40/0x70
[  313.940070]  ? __switch_to_asm+0x34/0x70
[  313.944144]  ? __switch_to_asm+0x40/0x70
[  313.948228]  ? __switch_to_asm+0x40/0x70
[  313.952308]  ? pvclock_read_flags+0x160/0x160
[  313.956803]  ? __schedule+0x874/0x1ed0
[  313.960690]  ? run_rebalance_domains+0x38d/0x500
[  313.965472]  ? trace_hardirqs_on+0xbd/0x310
[  313.969792]  ? kvm_sched_clock_read+0x9/0x20
[  313.974215]  ? run_ksoftirqd+0x94/0x100
[  313.978190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.983730]  ? check_preemption_disabled+0x48/0x200
[  313.988746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.994292]  run_timer_softirq+0x52/0xb0
[  313.998358]  ? __this_cpu_preempt_check+0x1c/0x1f
[  314.003210]  __do_softirq+0x30b/0xad8
[  314.007016]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.012122]  ? trace_hardirqs_off+0xb8/0x310
[  314.016535]  ? schedule+0x108/0x460
[  314.020160]  ? __schedule+0x1ed0/0x1ed0
[  314.024163]  ? run_ksoftirqd+0x40/0x100
[  314.028138]  ? trace_hardirqs_off+0xb8/0x310
[  314.032552]  ? ___might_sleep+0x1ed/0x300
[  314.036713]  ? smpboot_thread_fn+0x68b/0xa00
[  314.041175]  ? trace_hardirqs_on+0x310/0x310
[  314.045605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.051178]  ? check_preemption_disabled+0x48/0x200
[  314.056197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.061736]  ? takeover_tasklets+0xa90/0xa90
[  314.066144]  run_ksoftirqd+0x94/0x100
[  314.069944]  smpboot_thread_fn+0x68b/0xa00
[  314.074188]  ? sort_range+0x30/0x30
[  314.077819]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.082921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.088457]  ? __kthread_parkme+0xfb/0x1a0
[  314.092722]  kthread+0x35a/0x420
[  314.096099]  ? sort_range+0x30/0x30
[  314.099751]  ? kthread_bind+0x40/0x40
[  314.103553]  ret_from_fork+0x3a/0x50
[  314.107289] warn_alloc_show_mem: 1 callbacks suppressed
[  314.107302] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  314.107304] Mem-Info:
[  314.107336] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  314.107336]  active_file:15 inactive_file:15 isolated_file:0
[  314.107336]  unevictable:0 dirty:0 writeback:0 unstable:0
[  314.107336]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  314.107336]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  314.107336]  free:13623 free_pcp:480 free_cma:0
[  314.112677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.119961] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  314.122354] Call Trace:
[  314.155417] Node 0 
[  314.164772]  <IRQ>
[  314.192547] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  314.195116]  dump_stack+0x1c4/0x2b4
[  314.197316] lowmem_reserve[]:
[  314.199459]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.224949]  0
[  314.228589]  warn_alloc.cold.119+0xb7/0x1bd
[  314.231654]  2819
[  314.236842]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.238617]  6323
[  314.242936]  ? lock_downgrade+0x900/0x900
[  314.245001]  6323
[  314.249839]  ? trace_hardirqs_off+0xb8/0x310
[  314.256010]  ? trace_hardirqs_off+0xb8/0x310
[  314.258046] Node 0 
[  314.262451]  __alloc_pages_slowpath+0x2667/0x2d80
[  314.266856] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  314.269078]  ? warn_alloc+0x120/0x120
[  314.273883] lowmem_reserve[]:
[  314.300788]  ? trace_hardirqs_on+0x310/0x310
[  314.304558]  0
[  314.307662]  ? warn_alloc+0x120/0x120
[  314.312040]  0
[  314.313841]  ? warn_alloc+0x120/0x120
[  314.317613]  3503
[  314.319420]  ? ktime_get+0x2e1/0x440
[  314.323197]  3503
[  314.325256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.331003]  ? check_preemption_disabled+0x48/0x200
[  314.336508] Node 0 
[  314.341523]  ? kasan_check_read+0x11/0x20
[  314.341555] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  314.341562] lowmem_reserve[]:
[  314.343792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.348180]  0
[  314.376745]  ? should_fail+0x22d/0xd01
[  314.379820]  0
[  314.385349]  ? rcu_bh_qs+0xc0/0xc0
[  314.387125]  0
[  314.391014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.392790]  0
[  314.396324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.403193]  ? should_fail+0x22d/0xd01
[  314.404969] Node 0 
[  314.410499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.414354] DMA: 1*4kB 
[  314.416604]  ? should_fail+0x22d/0xd01
[  314.421681] (U) 
[  314.424264]  ? rcu_idle_enter+0x4b0/0x4b0
[  314.428120] 0*8kB 
[  314.430094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.434213] 0*16kB 
[  314.436394]  ? mark_held_locks+0x130/0x130
[  314.441468] 1*32kB 
[  314.443703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.447908] (U) 
[  314.450146]  ? mark_held_locks+0x130/0x130
[  314.455659] 2*64kB 
[  314.457631]  ? try_to_wake_up+0x10a/0x12f0
[  314.461841] (U) 
[  314.464075]  ? lock_downgrade+0x900/0x900
[  314.468285] 1*128kB 
[  314.470254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.474370] (U) 
[  314.476699]  ? trace_hardirqs_off+0xb8/0x310
[  314.482204] 1*256kB (U) 
[  314.484187]  ? kasan_check_read+0x11/0x20
[  314.488564] 0*512kB 
[  314.491234]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.495365] 1*1024kB 
[  314.497727]  ? trace_hardirqs_on+0x310/0x310
[  314.502125] (U) 
[  314.504541]  ? kasan_check_write+0x14/0x20
[  314.508942] 1*2048kB 
[  314.510925]  ? do_raw_spin_lock+0xc1/0x200
[  314.515150] (M) 
[  314.517559]  __alloc_pages_nodemask+0xa80/0xde0
[  314.521768] 3*4096kB 
[  314.523740]  ? should_fail+0x22d/0xd01
[  314.528389] (M) 
[  314.530797]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.534662] = 15908kB
[  314.536646]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.541628] Node 0 
[  314.544035]  ? lock_downgrade+0x900/0x900
[  314.548672] DMA32: 
[  314.550905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.555021] 3*4kB 
[  314.557254]  cache_grow_begin+0x91/0x8c0
[  314.562762] (UM) 
[  314.564915]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.568944] 2*8kB 
[  314.570999]  fallback_alloc+0x203/0x2e0
[  314.575397] (UM) 
[  314.577554]  ____cache_alloc_node+0x1c7/0x1e0
[  314.581505] 2*16kB 
[  314.583559]  kmem_cache_alloc_node+0xe3/0x730
[  314.588023] (M) 
[  314.590250]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.594741] 2*32kB (M) 
[  314.596754]  __alloc_skb+0x119/0x770
[  314.600958] 4*64kB 
[  314.603553]  ? skb_scrub_packet+0x490/0x490
[  314.607251] (M) 
[  314.609485]  ? lock_downgrade+0x900/0x900
[  314.613775] 3*128kB 
[  314.615746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.619866] (M) 
[  314.622218]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.627726] 4*256kB 
[  314.629751]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.635187] (UM) 3*512kB 
[  314.637517]  ? addrconf_rs_timer+0x690/0x690
[  314.642942] (M) 
[  314.645737]  ndisc_alloc_skb+0x144/0x340
[  314.650115] 3*1024kB 
[  314.652089]  ndisc_send_rs+0x331/0x6e0
[  314.656124] (UM) 
[  314.658533]  addrconf_rs_timer+0x314/0x690
[  314.662403] 3*2048kB 
[  314.664460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.668669] (M) 
[  314.671091]  call_timer_fn+0x272/0x920
[  314.675284] 3*4096kB 
[  314.677254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.681117] (M) 
[  314.683527]  ? process_timeout+0x40/0x40
[  314.687733] = 24828kB
[  314.689707]  ? trace_hardirqs_off+0xb8/0x310
[  314.693741] Node 0 
[  314.696156]  ? kasan_check_read+0x11/0x20
[  314.700530] Normal: 
[  314.702767]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.706883] 1555*4kB 
[  314.709198]  ? trace_hardirqs_on+0x310/0x310
[  314.713579] (UMEH) 
[  314.715990]  ? __run_timers+0x7da/0xc70
[  314.720414] 298*8kB 
[  314.722659]  ? lock_downgrade+0x900/0x900
[  314.726691] (ME) 
[  314.729012]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.733149] 96*16kB 
[  314.735208]  ? trace_hardirqs_on+0xbd/0x310
[  314.740282] (ME) 
[  314.742605]  ? kasan_check_read+0x11/0x20
[  314.746895] 43*32kB 
[  314.748953]  ? __run_timers+0x7da/0xc70
[  314.753070] (UME) 
[  314.755402]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.759344] 31*64kB 
[  314.761489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.766913] (UM) 
[  314.769235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.774745] 0*128kB 
[  314.776804]  __run_timers+0x7e5/0xc70
[  314.781010] 1*256kB 
[  314.783333]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  314.787101] (U) 
[  314.789421]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  314.794756] 0*512kB 
[  314.796727]  ? timerqueue_add+0x207/0x2b0
[  314.801714] 0*1024kB 
[  314.804075]  ? enqueue_hrtimer+0x1a5/0x560
[  314.808204] 0*2048kB 
[  314.810611]  ? lock_release+0x970/0x970
[  314.814819] 0*4096kB 
[  314.817223]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  314.821178] = 13756kB
[  314.821206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  314.823641]  ? kasan_check_write+0x14/0x20
[  314.828808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  314.831223]  ? pvclock_read_flags+0x160/0x160
[  314.840073] 3632 total pagecache pages
[  314.844305]  ? lock_downgrade+0x900/0x900
[  314.852873] 0 pages in swap cache
[  314.857361]  ? trace_hardirqs_on+0xbd/0x310
[  314.861224] Swap cache stats: add 0, delete 0, find 0/0
[  314.865386]  ? kvm_sched_clock_read+0x9/0x20
[  314.868806] Free swap  = 0kB
[  314.873118]  ? irq_exit+0x17f/0x1c0
[  314.878450] Total swap = 0kB
[  314.882852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.885856] 1965979 pages RAM
[  314.889479]  ? check_preemption_disabled+0x48/0x200
[  314.892467] 0 pages HighMem/MovableOnly
[  314.897993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.901075] 342307 pages reserved
[  314.906088]  run_timer_softirq+0x52/0xb0
[  314.910032] 0 pages cma reserved
[  314.915568]  ? __this_cpu_preempt_check+0x1c/0x1f
[  314.919056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.923142]  __do_softirq+0x30b/0xad8
[  314.926571] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.931315]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.937780] ksoftirqd/0 cpuset=
[  314.941577]  ? pvclock_read_flags+0x160/0x160
[  314.951861] /
[  314.956965]  ? lapic_next_event+0x5a/0x90
[  314.960220]  mems_allowed=0
[  314.964712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.978984]  ? clockevents_program_event+0x140/0x370
[  314.984090]  ? kvm_clock_read+0x18/0x30
[  314.988079]  ? kvm_sched_clock_read+0x9/0x20
[  314.992492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.998032]  ? check_preemption_disabled+0x48/0x200
[  315.003055]  irq_exit+0x17f/0x1c0
[  315.006511]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.011350]  ? smp_reschedule_interrupt+0x109/0x650
[  315.016371]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.022268]  ? interrupt_entry+0xb5/0xf0
[  315.026345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.031367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.036400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.041241]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.046252]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.051266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.056829]  ? check_preemption_disabled+0x48/0x200
[  315.061862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.067416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.072265]  apic_timer_interrupt+0xf/0x20
[  315.076494]  </IRQ>
[  315.078732] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.083685] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  315.102601] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  315.110309] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  315.117593] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  315.124860] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  315.132124] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  315.139413] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  315.146718]  ? trace_hardirqs_on+0xb4/0x310
[  315.151046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.156602]  skb_clone+0x1bb/0x500
[  315.160205]  ? finish_task_switch+0x2f5/0x900
[  315.164724]  ? skb_split+0x11e0/0x11e0
[  315.168611]  ? preempt_notifier_register+0x200/0x200
[  315.173718]  ? __switch_to_asm+0x34/0x70
[  315.177782]  ? __switch_to_asm+0x34/0x70
[  315.181840]  ? __switch_to_asm+0x40/0x70
[  315.185895]  ? __switch_to_asm+0x34/0x70
[  315.189957]  ? __switch_to_asm+0x40/0x70
[  315.194015]  ? __switch_to_asm+0x34/0x70
[  315.198089]  ? __switch_to_asm+0x40/0x70
[  315.202152]  ? __switch_to_asm+0x34/0x70
[  315.206214]  ? __switch_to_asm+0x34/0x70
[  315.210276]  ? __switch_to_asm+0x40/0x70
[  315.214331]  ? __switch_to_asm+0x34/0x70
[  315.218416]  bpf_clone_redirect+0xb9/0x490
[  315.222650]  ? __schedule+0x874/0x1ed0
[  315.226544]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  315.231561]  ? __sched_text_start+0x8/0x8
[  315.235714]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.240477]  ? retint_kernel+0x2d/0x2d
[  315.244373]  ? lock_acquire+0x1ed/0x520
[  315.248362]  ? bpf_test_run+0x3cb/0x780
[  315.252351]  ? lock_release+0x970/0x970
[  315.256329]  ? preempt_schedule+0x4d/0x60
[  315.260480]  ? preempt_schedule_common+0x1f/0xd0
[  315.265234]  ? preempt_schedule+0x4d/0x60
[  315.269414]  ? ___preempt_schedule+0x16/0x18
[  315.273831]  ? bpf_test_run+0x25d/0x780
[  315.277811]  ? netlink_diag_dump+0x2a0/0x2a0
[  315.282221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.287761]  ? bpf_test_init.isra.9+0x70/0x100
[  315.292347]  ? bpf_prog_test_run_skb+0x634/0xb40
[  315.297122]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  315.301971]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  315.307509]  ? fput+0x130/0x1a0
[  315.310789]  ? __bpf_prog_get+0x9b/0x290
[  315.314858]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  315.319703]  ? bpf_prog_test_run+0x130/0x1a0
[  315.324115]  ? __x64_sys_bpf+0x3d8/0x510
[  315.328176]  ? bpf_prog_get+0x20/0x20
[  315.331992]  ? do_syscall_64+0x1b9/0x820
[  315.336059]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  315.341426]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.346361]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.351392]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.356413]  ? recalc_sigpending_tsk+0x180/0x180
[  315.361175]  ? kasan_check_write+0x14/0x20
[  315.365421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.370285]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  315.375660] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  315.375725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.382507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.382516] Call Trace:
[  315.389073] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.398348]  dump_stack+0x1c4/0x2b4
[  315.400902] syz-executor4 cpuset=
[  315.411395]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.414995] syz4
[  315.418449]  warn_alloc.cold.119+0xb7/0x1bd
[  315.423607]  mems_allowed=0
[  315.425575]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.437888]  ? lock_downgrade+0x900/0x900
[  315.442046]  ? trace_hardirqs_off+0xb8/0x310
[  315.446457]  ? trace_hardirqs_off+0xb8/0x310
[  315.450873]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.455732]  ? mark_held_locks+0x130/0x130
[  315.459972]  ? warn_alloc+0x120/0x120
[  315.463776]  ? warn_alloc+0x120/0x120
[  315.467604]  ? warn_alloc+0x120/0x120
[  315.471418]  ? mark_held_locks+0x130/0x130
[  315.475666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.481206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.486748]  ? should_fail+0x22d/0xd01
[  315.490647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.495759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.501313]  ? should_fail+0x22d/0xd01
[  315.505218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.510331]  ? should_fail+0x22d/0xd01
[  315.514227]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.519340]  ? mark_held_locks+0x130/0x130
[  315.523585]  ? mark_held_locks+0x130/0x130
[  315.527825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.533388]  ? mark_held_locks+0x130/0x130
[  315.537630]  ? trace_hardirqs_on+0x310/0x310
[  315.542050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.547607]  ? wq_watchdog_touch+0x9c/0xfe
[  315.551852]  ? io_serial_in+0x11/0x90
[  315.555664]  ? retint_kernel+0x2d/0x2d
[  315.559554]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.564487]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.569359]  ? trace_hardirqs_off+0x310/0x310
[  315.573868]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.578982]  __alloc_pages_nodemask+0xa80/0xde0
[  315.583658]  ? should_fail+0x22d/0xd01
[  315.587555]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.592593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.597265]  ? lock_downgrade+0x900/0x900
[  315.601421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.606969]  cache_grow_begin+0x91/0x8c0
[  315.611034]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.615447]  fallback_alloc+0x203/0x2e0
[  315.619425]  ____cache_alloc_node+0x1c7/0x1e0
[  315.623925]  kmem_cache_alloc_node+0xe3/0x730
[  315.628422]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.632666]  __alloc_skb+0x119/0x770
[  315.636392]  ? skb_scrub_packet+0x490/0x490
[  315.640715]  ? lock_downgrade+0x900/0x900
[  315.644873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.650418]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.655872]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.661323]  ? addrconf_rs_timer+0x690/0x690
[  315.665741]  ndisc_alloc_skb+0x144/0x340
[  315.669805]  ndisc_send_rs+0x331/0x6e0
[  315.673696]  addrconf_rs_timer+0x314/0x690
[  315.677932]  ? lock_release+0x970/0x970
[  315.681910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.686157]  call_timer_fn+0x272/0x920
[  315.690049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.694289]  ? process_timeout+0x40/0x40
[  315.698373]  ? kasan_check_read+0x11/0x20
[  315.702536]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.706952]  ? trace_hardirqs_on+0x310/0x310
[  315.711370]  ? __run_timers+0x7da/0xc70
[  315.715356]  ? lock_downgrade+0x900/0x900
[  315.719530]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.724647]  ? trace_hardirqs_on+0xbd/0x310
[  315.728972]  ? kasan_check_read+0x11/0x20
[  315.733124]  ? __run_timers+0x7da/0xc70
[  315.737101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.742557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.748100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.752339]  __run_timers+0x7e5/0xc70
[  315.756151]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  315.761519]  ? compat_start_thread+0x80/0x80
[  315.765929]  ? dequeue_entity+0x1770/0x1770
[  315.770253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.775790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.781333]  ? _raw_spin_unlock_irq+0x60/0x80
[  315.785829]  ? finish_task_switch+0x1f5/0x900
[  315.790322]  ? finish_task_switch+0x1b5/0x900
[  315.794822]  ? __switch_to_asm+0x34/0x70
[  315.798891]  ? preempt_notifier_register+0x200/0x200
[  315.803998]  ? __switch_to_asm+0x34/0x70
[  315.808058]  ? __switch_to_asm+0x40/0x70
[  315.812119]  ? __switch_to_asm+0x34/0x70
[  315.816179]  ? __switch_to_asm+0x40/0x70
[  315.820236]  ? __switch_to_asm+0x34/0x70
[  315.824294]  ? __switch_to_asm+0x40/0x70
[  315.828358]  ? __switch_to_asm+0x40/0x70
[  315.832432]  ? pvclock_read_flags+0x160/0x160
[  315.836928]  ? __schedule+0x874/0x1ed0
[  315.840818]  ? run_rebalance_domains+0x38d/0x500
[  315.845578]  ? trace_hardirqs_on+0xbd/0x310
[  315.849900]  ? kvm_sched_clock_read+0x9/0x20
[  315.854311]  ? run_ksoftirqd+0x94/0x100
[  315.858290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.863829]  ? check_preemption_disabled+0x48/0x200
[  315.868844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.874399]  run_timer_softirq+0x52/0xb0
[  315.878463]  ? __this_cpu_preempt_check+0x1c/0x1f
[  315.883307]  __do_softirq+0x30b/0xad8
[  315.887111]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.892214]  ? trace_hardirqs_off+0xb8/0x310
[  315.896629]  ? schedule+0x108/0x460
[  315.900263]  ? __schedule+0x1ed0/0x1ed0
[  315.904257]  ? run_ksoftirqd+0x40/0x100
[  315.908236]  ? trace_hardirqs_off+0xb8/0x310
[  315.912657]  ? ___might_sleep+0x1ed/0x300
[  315.916804]  ? smpboot_thread_fn+0x68b/0xa00
[  315.921211]  ? trace_hardirqs_on+0x310/0x310
[  315.925624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.931168]  ? check_preemption_disabled+0x48/0x200
[  315.936182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.941730]  ? takeover_tasklets+0xa90/0xa90
[  315.946141]  run_ksoftirqd+0x94/0x100
[  315.949945]  smpboot_thread_fn+0x68b/0xa00
[  315.954181]  ? sort_range+0x30/0x30
[  315.957812]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.962916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.968455]  ? __kthread_parkme+0xfb/0x1a0
[  315.972690]  kthread+0x35a/0x420
[  315.976059]  ? sort_range+0x30/0x30
[  315.979683]  ? kthread_bind+0x40/0x40
[  315.983487]  ret_from_fork+0x3a/0x50
[  315.987205] warn_alloc_show_mem: 1 callbacks suppressed
[  315.987228] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  315.987230] Mem-Info:
[  315.987270] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  315.987270]  active_file:15 inactive_file:15 isolated_file:0
[  315.987270]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.987270]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  315.987270]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  315.987270]  free:13623 free_pcp:480 free_cma:0
[  315.992620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.999907] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  316.002316] Call Trace:
[  316.035367] Node 0 
[  316.044748]  <IRQ>
[  316.072534] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  316.075100]  dump_stack+0x1c4/0x2b4
[  316.077305] lowmem_reserve[]:
[  316.079459]  ? dump_stack_print_info.cold.2+0x52/0x52
[  316.104951]  0
[  316.108593]  warn_alloc.cold.119+0xb7/0x1bd
[  316.111666]  2819
[  316.116861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.118629]  6323 6323
[  316.122956]  ? lock_downgrade+0x900/0x900
[  316.129831]  ? trace_hardirqs_off+0xb8/0x310
[  316.132318] Node 0 
[  316.136457]  ? trace_hardirqs_off+0xb8/0x310
[  316.140865] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  316.143075]  __alloc_pages_slowpath+0x2667/0x2d80
[  316.147458] lowmem_reserve[]:
[  316.174373]  ? warn_alloc+0x120/0x120
[  316.179186]  0
[  316.182287]  ? trace_hardirqs_on+0x310/0x310
[  316.186055]  0
[  316.187857]  ? warn_alloc+0x120/0x120
[  316.192243]  3503
[  316.194041]  ? warn_alloc+0x120/0x120
[  316.197815]  3503
[  316.199876]  ? ktime_get+0x2e1/0x440
[  316.205711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.209401] Node 0 
[  316.214931]  ? check_preemption_disabled+0x48/0x200
[  316.214962] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  316.214969] lowmem_reserve[]:
[  316.217203]  ? kasan_check_read+0x11/0x20
[  316.222192]  0
[  316.250750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.253824]  0
[  316.257966]  ? should_fail+0x22d/0xd01
[  316.259742]  0
[  316.265276]  ? rcu_bh_qs+0xc0/0xc0
[  316.267041]  0
[  316.270931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.272705] Node 0 
[  316.276240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.278015] DMA: 
[  316.283113]  ? should_fail+0x22d/0xd01
[  316.285325] 1*4kB 
[  316.290873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.292908] (U) 
[  316.296805]  ? should_fail+0x22d/0xd01
[  316.298932] 0*8kB 
[  316.304033]  ? rcu_idle_enter+0x4b0/0x4b0
[  316.305982] 0*16kB 
[  316.309867]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.311990] 1*32kB 
[  316.316130]  ? mark_held_locks+0x130/0x130
[  316.318338] (U) 
[  316.323440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.325651] 2*64kB 
[  316.329879]  ? mark_held_locks+0x130/0x130
[  316.331829] (U) 
[  316.337360]  ? rcu_irq_exit+0xce/0x100
[  316.339563] 1*128kB 
[  316.343790]  ? irq_exit+0xbd/0x1c0
[  316.345741] (U) 
[  316.349621]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  316.351921] 1*256kB 
[  316.355455]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.357403] (U) 
[  316.362412]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.364709] 0*512kB 
[  316.369128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.371075] 1*1024kB 
[  316.376951]  ? ret_from_intr+0xb/0x1e
[  316.379245] (U) 
[  316.384789]  ? retint_kernel+0x2d/0x2d
[  316.387173] 1*2048kB 
[  316.390969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  316.392919] (M) 
[  316.396799]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.399184] 3*4096kB 
[  316.404107]  ? trace_hardirqs_off+0x310/0x310
[  316.406070] (M) 
[  316.410825]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.413205] = 15908kB
[  316.417699]  __alloc_pages_nodemask+0xa80/0xde0
[  316.419643] Node 0 
[  316.424740]  ? should_fail+0x22d/0xd01
[  316.427125] DMA32: 
[  316.431806]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  316.434050] 3*4kB 
[  316.437945]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.440141] (UM) 2*8kB 
[  316.445226]  ? lock_downgrade+0x900/0x900
[  316.447365] (UM) 
[  316.452058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.454633] 2*16kB 
[  316.458774]  cache_grow_begin+0x91/0x8c0
[  316.460809] (M) 
[  316.466339]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.468561] 2*32kB 
[  316.472614]  fallback_alloc+0x203/0x2e0
[  316.474565] (M) 
[  316.478967]  ____cache_alloc_node+0x1c7/0x1e0
[  316.481208] 4*64kB 
[  316.485172]  kmem_cache_alloc_node+0xe3/0x730
[  316.487124] (M) 
[  316.491619]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.493827] 3*128kB 
[  316.498314]  __alloc_skb+0x119/0x770
[  316.500261] (M) 
[  316.504485]  ? skb_scrub_packet+0x490/0x490
[  316.506799] 4*256kB 
[  316.510504]  ? lock_downgrade+0x900/0x900
[  316.512455] (UM) 
[  316.516770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.519065] 3*512kB 
[  316.523212]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.525245] (M) 
[  316.530776]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.533074] 3*1024kB 
[  316.538517]  ? addrconf_rs_timer+0x690/0x690
[  316.540477] (UM) 
[  316.545937]  ndisc_alloc_skb+0x144/0x340
[  316.548316] 3*2048kB 
[  316.552742]  ndisc_send_rs+0x331/0x6e0
[  316.554802] (M) 
[  316.558868]  addrconf_rs_timer+0x314/0x690
[  316.561260] 3*4096kB 
[  316.565144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.567091] (M) 
[  316.571320]  call_timer_fn+0x272/0x920
[  316.573699] = 24828kB
[  316.577924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.579879] Node 0 
[  316.583757]  ? process_timeout+0x40/0x40
[  316.586153] Normal: 1555*4kB 
[  316.590396]  ? trace_hardirqs_off+0xb8/0x310
[  316.592607] (UMEH) 
[  316.596678]  ? kasan_check_read+0x11/0x20
[  316.599755] 298*8kB 
[  316.604183]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.606396] (ME) 
[  316.610542]  ? trace_hardirqs_on+0x310/0x310
[  316.612837] 96*16kB 
[  316.617240]  ? __run_timers+0x7da/0xc70
[  316.619274] (ME) 
[  316.623674]  ? lock_downgrade+0x900/0x900
[  316.625974] 43*32kB 
[  316.629945]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.631976] (UME) 
[  316.636120]  ? trace_hardirqs_on+0xbd/0x310
[  316.638417] 31*64kB 
[  316.643524]  ? kasan_check_read+0x11/0x20
[  316.645643] (UM) 
[  316.649958]  ? __run_timers+0x7da/0xc70
[  316.652254] 0*128kB 
[  316.656404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.658442] 1*256kB 
[  316.662415]  ? kasan_check_write+0x14/0x20
[  316.664712] (U) 
[  316.670165]  ? do_raw_spin_lock+0xc1/0x200
[  316.672463] 0*512kB 
[  316.676693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.678644] 0*1024kB 
[  316.682873]  __run_timers+0x7e5/0xc70
[  316.685170] 0*2048kB 
[  316.689408]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  316.691787] 0*4096kB 
[  316.695581]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.697964] = 13756kB
[  316.703320]  ? timerqueue_add+0x207/0x2b0
[  316.705712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  316.710714]  ? enqueue_hrtimer+0x1a5/0x560
[  316.713104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  316.717241]  ? lock_release+0x970/0x970
[  316.726048] 3632 total pagecache pages
[  316.730273]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.738820] 0 pages in swap cache
[  316.742793]  ? kasan_check_write+0x14/0x20
[  316.746655] Swap cache stats: add 0, delete 0, find 0/0
[  316.751836]  ? pvclock_read_flags+0x160/0x160
[  316.755262] Free swap  = 0kB
[  316.759489]  ? lock_downgrade+0x900/0x900
[  316.764828] Total swap = 0kB
[  316.769321]  ? trace_hardirqs_on+0xbd/0x310
[  316.772310] 1965979 pages RAM
[  316.776451]  ? kvm_sched_clock_read+0x9/0x20
[  316.779440] 0 pages HighMem/MovableOnly
[  316.783760]  ? irq_exit+0x17f/0x1c0
[  316.786837] 342307 pages reserved
[  316.791246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.795191] 0 pages cma reserved
[  316.798817]  ? check_preemption_disabled+0x48/0x200
[  316.802304] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.807764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.807784]  run_timer_softirq+0x52/0xb0
[  316.807801]  ? __this_cpu_preempt_check+0x1c/0x1f
[  316.811196] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.816162]  __do_softirq+0x30b/0xad8
[  316.822627] ksoftirqd/0 cpuset=
[  316.828162]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  316.832199] /
[  316.837035]  ? pvclock_read_flags+0x160/0x160
[  316.847324]  mems_allowed=0
[  316.851116]  ? lapic_next_event+0x5a/0x90
[  316.872694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.878237]  ? clockevents_program_event+0x140/0x370
[  316.883342]  ? kvm_clock_read+0x18/0x30
[  316.887317]  ? kvm_sched_clock_read+0x9/0x20
[  316.891727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.897266]  ? check_preemption_disabled+0x48/0x200
[  316.902291]  irq_exit+0x17f/0x1c0
[  316.905749]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.910588]  ? smp_reschedule_interrupt+0x109/0x650
[  316.915602]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.921489]  ? interrupt_entry+0xb5/0xf0
[  316.925552]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.930566]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.935583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.940427]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.945442]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.950459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.956001]  ? check_preemption_disabled+0x48/0x200
[  316.961013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.966556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.971406]  apic_timer_interrupt+0xf/0x20
[  316.975635]  </IRQ>
[  316.977907] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  316.982857] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  317.001757] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  317.009466] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  317.016733] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  317.024001] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  317.031264] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  317.038532] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  317.045823]  ? trace_hardirqs_on+0xb4/0x310
[  317.050156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.055700]  skb_clone+0x1bb/0x500
[  317.059241]  ? finish_task_switch+0x2f5/0x900
[  317.063736]  ? skb_split+0x11e0/0x11e0
[  317.067624]  ? preempt_notifier_register+0x200/0x200
[  317.072731]  ? __switch_to_asm+0x34/0x70
[  317.076794]  ? __switch_to_asm+0x34/0x70
[  317.080855]  ? __switch_to_asm+0x40/0x70
[  317.084914]  ? __switch_to_asm+0x34/0x70
[  317.088971]  ? __switch_to_asm+0x40/0x70
[  317.093030]  ? __switch_to_asm+0x34/0x70
[  317.097088]  ? __switch_to_asm+0x40/0x70
[  317.101153]  ? __switch_to_asm+0x34/0x70
[  317.105211]  ? __switch_to_asm+0x34/0x70
[  317.109267]  ? __switch_to_asm+0x40/0x70
[  317.113328]  ? __switch_to_asm+0x34/0x70
[  317.117403]  bpf_clone_redirect+0xb9/0x490
[  317.121637]  ? __schedule+0x874/0x1ed0
[  317.125529]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  317.130543]  ? __sched_text_start+0x8/0x8
[  317.134693]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.139453]  ? retint_kernel+0x2d/0x2d
[  317.143349]  ? lock_acquire+0x1ed/0x520
[  317.147329]  ? bpf_test_run+0x3cb/0x780
[  317.151303]  ? lock_release+0x970/0x970
[  317.155274]  ? preempt_schedule+0x4d/0x60
[  317.159425]  ? preempt_schedule_common+0x1f/0xd0
[  317.164178]  ? preempt_schedule+0x4d/0x60
[  317.168324]  ? ___preempt_schedule+0x16/0x18
[  317.172757]  ? bpf_test_run+0x25d/0x780
[  317.176740]  ? netlink_diag_dump+0x2a0/0x2a0
[  317.181154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.186688]  ? bpf_test_init.isra.9+0x70/0x100
[  317.191271]  ? bpf_prog_test_run_skb+0x634/0xb40
[  317.196029]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  317.200869]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  317.206417]  ? fput+0x130/0x1a0
[  317.209696]  ? __bpf_prog_get+0x9b/0x290
[  317.213757]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  317.218599]  ? bpf_prog_test_run+0x130/0x1a0
[  317.223008]  ? __x64_sys_bpf+0x3d8/0x510
[  317.227070]  ? bpf_prog_get+0x20/0x20
[  317.230882]  ? do_syscall_64+0x1b9/0x820
[  317.234948]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  317.240311]  ? syscall_return_slowpath+0x5e0/0x5e0
[  317.245246]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.250262]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  317.255281]  ? recalc_sigpending_tsk+0x180/0x180
[  317.260041]  ? kasan_check_write+0x14/0x20
[  317.264277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.269127]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  317.274510] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  317.274578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  317.281350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  317.281354] Call Trace:
[  317.281383]  dump_stack+0x1c4/0x2b4
[  317.281400]  ? dump_stack_print_info.cold.2+0x52/0x52
[  317.287948] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  317.297232]  warn_alloc.cold.119+0xb7/0x1bd
[  317.299787] syz-executor4 cpuset=
[  317.303413]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  317.308587] syz4
[  317.319065]  ? lock_downgrade+0x900/0x900
[  317.323363]  mems_allowed=0
[  317.326818]  ? trace_hardirqs_off+0xb8/0x310
[  317.345069]  ? trace_hardirqs_off+0xb8/0x310
[  317.349487]  __alloc_pages_slowpath+0x2667/0x2d80
[  317.354344]  ? mark_held_locks+0x130/0x130
[  317.358596]  ? warn_alloc+0x120/0x120
[  317.362406]  ? warn_alloc+0x120/0x120
[  317.366205]  ? warn_alloc+0x120/0x120
[  317.370005]  ? mark_held_locks+0x130/0x130
[  317.374245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.379780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.385316]  ? should_fail+0x22d/0xd01
[  317.389205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.394305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.399841]  ? should_fail+0x22d/0xd01
[  317.403729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.408830]  ? should_fail+0x22d/0xd01
[  317.412723]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.417836]  ? mark_held_locks+0x130/0x130
[  317.422072]  ? mark_held_locks+0x130/0x130
[  317.426307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.431845]  ? trace_hardirqs_off+0xb8/0x310
[  317.436488]  ? kasan_check_read+0x11/0x20
[  317.440644]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.445051]  ? trace_hardirqs_on+0x310/0x310
[  317.449457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.454994]  ? wq_watchdog_touch+0x9c/0xfe
[  317.459232]  ? io_serial_in+0x11/0x90
[  317.463033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.468580]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.473691]  __alloc_pages_nodemask+0xa80/0xde0
[  317.478361]  ? should_fail+0x22d/0xd01
[  317.482259]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  317.487293]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.491968]  ? lock_downgrade+0x900/0x900
[  317.496121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.501664]  cache_grow_begin+0x91/0x8c0
[  317.505725]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.510139]  fallback_alloc+0x203/0x2e0
[  317.514120]  ____cache_alloc_node+0x1c7/0x1e0
[  317.518620]  kmem_cache_alloc_node+0xe3/0x730
[  317.523119]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.527361]  __alloc_skb+0x119/0x770
[  317.531084]  ? skb_scrub_packet+0x490/0x490
[  317.535412]  ? lock_downgrade+0x900/0x900
[  317.539563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.545104]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.550558]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.556007]  ? addrconf_rs_timer+0x690/0x690
[  317.560421]  ndisc_alloc_skb+0x144/0x340
[  317.564483]  ndisc_send_rs+0x331/0x6e0
[  317.568575]  addrconf_rs_timer+0x314/0x690
[  317.572812]  ? lock_release+0x970/0x970
[  317.576786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.581028]  call_timer_fn+0x272/0x920
[  317.584914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.589150]  ? process_timeout+0x40/0x40
[  317.593216]  ? kasan_check_read+0x11/0x20
[  317.597372]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.601792]  ? trace_hardirqs_on+0x310/0x310
[  317.606204]  ? __run_timers+0x7da/0xc70
[  317.610182]  ? lock_downgrade+0x900/0x900
[  317.614334]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.619442]  ? trace_hardirqs_on+0xbd/0x310
[  317.623768]  ? kasan_check_read+0x11/0x20
[  317.628169]  ? __run_timers+0x7da/0xc70
[  317.632144]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.637602]  ? kasan_check_write+0x14/0x20
[  317.641841]  ? do_raw_spin_lock+0xc1/0x200
[  317.646082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.650318]  __run_timers+0x7e5/0xc70
[  317.654128]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  317.659495]  ? compat_start_thread+0x80/0x80
[  317.663901]  ? dequeue_entity+0x1770/0x1770
[  317.668226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.673764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.679305]  ? _raw_spin_unlock_irq+0x60/0x80
[  317.683802]  ? finish_task_switch+0x1f5/0x900
[  317.688294]  ? finish_task_switch+0x1b5/0x900
[  317.692790]  ? __switch_to_asm+0x34/0x70
[  317.696855]  ? preempt_notifier_register+0x200/0x200
[  317.701955]  ? __switch_to_asm+0x34/0x70
[  317.706017]  ? __switch_to_asm+0x40/0x70
[  317.710072]  ? __switch_to_asm+0x34/0x70
[  317.714133]  ? __switch_to_asm+0x40/0x70
[  317.718194]  ? __switch_to_asm+0x34/0x70
[  317.722252]  ? __switch_to_asm+0x40/0x70
[  317.726311]  ? __switch_to_asm+0x40/0x70
[  317.730385]  ? pvclock_read_flags+0x160/0x160
[  317.734881]  ? __schedule+0x874/0x1ed0
[  317.738769]  ? run_rebalance_domains+0x38d/0x500
[  317.743528]  ? trace_hardirqs_on+0xbd/0x310
[  317.747848]  ? kvm_sched_clock_read+0x9/0x20
[  317.752256]  ? run_ksoftirqd+0x94/0x100
[  317.756231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.761771]  ? check_preemption_disabled+0x48/0x200
[  317.766784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.772326]  run_timer_softirq+0x52/0xb0
[  317.776398]  ? __this_cpu_preempt_check+0x1c/0x1f
[  317.781241]  __do_softirq+0x30b/0xad8
[  317.785047]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  317.790148]  ? trace_hardirqs_off+0xb8/0x310
[  317.794558]  ? schedule+0x108/0x460
[  317.798188]  ? __schedule+0x1ed0/0x1ed0
[  317.802162]  ? run_ksoftirqd+0x40/0x100
[  317.806139]  ? trace_hardirqs_off+0xb8/0x310
[  317.810550]  ? ___might_sleep+0x1ed/0x300
[  317.814695]  ? smpboot_thread_fn+0x68b/0xa00
[  317.819099]  ? trace_hardirqs_on+0x310/0x310
[  317.823511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.829053]  ? check_preemption_disabled+0x48/0x200
[  317.834067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.839607]  ? takeover_tasklets+0xa90/0xa90
[  317.844023]  run_ksoftirqd+0x94/0x100
[  317.847824]  smpboot_thread_fn+0x68b/0xa00
[  317.852058]  ? sort_range+0x30/0x30
[  317.855685]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.860785]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.866327]  ? __kthread_parkme+0xfb/0x1a0
[  317.870567]  kthread+0x35a/0x420
[  317.873931]  ? sort_range+0x30/0x30
[  317.877557]  ? kthread_bind+0x40/0x40
[  317.881359]  ret_from_fork+0x3a/0x50
[  317.885089] warn_alloc_show_mem: 1 callbacks suppressed
[  317.885102] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  317.885104] Mem-Info:
[  317.885135] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  317.885135]  active_file:15 inactive_file:15 isolated_file:0
[  317.885135]  unevictable:0 dirty:0 writeback:0 unstable:0
[  317.885135]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  317.885135]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  317.885135]  free:13623 free_pcp:480 free_cma:0
[  317.890488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  317.897763] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  317.900161] Call Trace:
[  317.933210] Node 0 
[  317.942562]  <IRQ>
[  317.970335] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  317.972904]  dump_stack+0x1c4/0x2b4
[  317.975097] lowmem_reserve[]:
[  317.977243]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.002739]  0
[  318.006375]  warn_alloc.cold.119+0xb7/0x1bd
[  318.009440]  2819
[  318.014623]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.016409]  6323
[  318.020727]  ? lock_downgrade+0x900/0x900
[  318.022760]  6323
[  318.027598]  ? trace_hardirqs_off+0xb8/0x310
[  318.033776]  ? trace_hardirqs_off+0xb8/0x310
[  318.035813] Node 0 
[  318.040215]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.044623] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  318.046838]  ? warn_alloc+0x120/0x120
[  318.051643] lowmem_reserve[]:
[  318.078540]  ? trace_hardirqs_on+0x310/0x310
[  318.082310]  0
[  318.085416]  ? warn_alloc+0x120/0x120
[  318.089794]  0
[  318.091587]  ? warn_alloc+0x120/0x120
[  318.095362]  3503
[  318.097171]  ? ktime_get+0x2e1/0x440
[  318.100947]  3503
[  318.103004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.108748]  ? check_preemption_disabled+0x48/0x200
[  318.114257] Node 0 
[  318.119267]  ? kasan_check_read+0x11/0x20
[  318.119298] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  318.119305] lowmem_reserve[]:
[  318.121536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.125664]  0
[  318.154202]  ? should_fail+0x22d/0xd01
[  318.157279]  0
[  318.162814]  ? rcu_bh_qs+0xc0/0xc0
[  318.164586]  0
[  318.168466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.170258]  0
[  318.173813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.180681]  ? should_fail+0x22d/0xd01
[  318.182456] Node 0 
[  318.187983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.191845] DMA: 
[  318.194071]  ? should_fail+0x22d/0xd01
[  318.199152] 1*4kB 
[  318.201211]  ? rcu_idle_enter+0x4b0/0x4b0
[  318.205065] (U) 
[  318.207213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.211337] 0*8kB 
[  318.213312]  ? mark_held_locks+0x130/0x130
[  318.218393] 0*16kB 
[  318.220541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.224746] 1*32kB 
[  318.226979]  ? mark_held_locks+0x130/0x130
[  318.232486] (U) 
[  318.234720]  ? rcu_irq_exit+0xce/0x100
[  318.238925] 2*64kB 
[  318.240894]  ? irq_exit+0xbd/0x1c0
[  318.244751] (U) 
[  318.246986]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  318.250513] 1*128kB 
[  318.252482]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.257485] (U) 
[  318.259805]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.264185] 1*256kB 
[  318.266155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.272010] (U) 
[  318.274332]  ? ret_from_intr+0xb/0x1e
[  318.279838] 0*512kB 
[  318.281808]  ? retint_kernel+0x2d/0x2d
[  318.285593] 1*1024kB 
[  318.287914]  ? trace_hardirqs_on_caller+0xc0/0x310
[  318.291774] (U) 
[  318.294179]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.299079] 1*2048kB 
[  318.301048]  ? trace_hardirqs_off+0x310/0x310
[  318.305776] (M) 
[  318.308180]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.312667] 3*4096kB 
[  318.314652]  __alloc_pages_nodemask+0xa80/0xde0
[  318.319728] (M) 
[  318.322134]  ? should_fail+0x22d/0xd01
[  318.326789] = 15908kB
[  318.328758]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  318.332625] Node 0 
[  318.335042]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.340018] DMA32: 
[  318.342248]  ? lock_downgrade+0x900/0x900
[  318.346891] 3*4kB 
[  318.349122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.353239] (UM) 
[  318.355393]  cache_grow_begin+0x91/0x8c0
[  318.360907] 2*8kB 
[  318.362964]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.366993] (UM) 
[  318.369136]  fallback_alloc+0x203/0x2e0
[  318.373518] 2*16kB 
[  318.375573]  ____cache_alloc_node+0x1c7/0x1e0
[  318.379521] (M) 
[  318.381754]  kmem_cache_alloc_node+0xe3/0x730
[  318.386224] 2*32kB 
[  318.388194]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.392660] (M) 
[  318.394895]  __alloc_skb+0x119/0x770
[  318.399104] 4*64kB 
[  318.401074]  ? skb_scrub_packet+0x490/0x490
[  318.404760] (M) 
[  318.406996]  ? lock_downgrade+0x900/0x900
[  318.411289] 3*128kB 
[  318.413259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.417373] (M) 4*256kB 
[  318.419708]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.425218] (UM) 
[  318.427885]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.433307] 3*512kB 
[  318.435356]  ? addrconf_rs_timer+0x690/0x690
[  318.435368]  ndisc_alloc_skb+0x144/0x340
[  318.435388]  ndisc_send_rs+0x331/0x6e0
[  318.435405]  addrconf_rs_timer+0x314/0x690
[  318.440834] (M) 
[  318.443161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.447541] 3*1024kB 
[  318.451604]  call_timer_fn+0x272/0x920
[  318.455457] (UM) 
[  318.459692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.461644] 3*2048kB 
[  318.465874]  ? process_timeout+0x40/0x40
[  318.468252] (M) 
[  318.472145]  ? trace_hardirqs_off+0xb8/0x310
[  318.474174] 3*4096kB 
[  318.478412]  ? kasan_check_read+0x11/0x20
[  318.480791] (M) 
[  318.484848]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.486794] = 24828kB
[  318.491195]  ? trace_hardirqs_on+0x310/0x310
[  318.493577] Node 0 
[  318.497725]  ? __run_timers+0x7da/0xc70
[  318.499663] Normal: 1555*4kB 
[  318.504074]  ? lock_downgrade+0x900/0x900
[  318.506456] (UMEH) 
[  318.510866]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.513070] 298*8kB 
[  318.517040]  ? trace_hardirqs_on+0xbd/0x310
[  318.520116] (ME) 
[  318.524264]  ? kasan_check_read+0x11/0x20
[  318.526475] 96*16kB 
[  318.531576]  ? __run_timers+0x7da/0xc70
[  318.533871] (ME) 
[  318.538186]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.540219] 43*32kB 
[  318.544393]  ? kasan_check_write+0x14/0x20
[  318.546688] (UME) 
[  318.550661]  ? do_raw_spin_lock+0xc1/0x200
[  318.552689] 31*64kB (UM) 
[  318.558143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.560445] 0*128kB 
[  318.564729]  __run_timers+0x7e5/0xc70
[  318.566851] 1*256kB 
[  318.571085]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  318.573810] (U) 
[  318.578037]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.580333] 0*512kB 
[  318.584125]  ? timerqueue_add+0x207/0x2b0
[  318.586453] 0*1024kB 
[  318.591819]  ? enqueue_hrtimer+0x1a5/0x560
[  318.593788] 0*2048kB 
[  318.598862]  ? lock_release+0x970/0x970
[  318.601159] 0*4096kB 
[  318.605297]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.607683] = 13756kB
[  318.611929]  ? kasan_check_write+0x14/0x20
[  318.614315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.618275]  ? pvclock_read_flags+0x160/0x160
[  318.620673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.625852]  ? lock_downgrade+0x900/0x900
[  318.628234] 3632 total pagecache pages
[  318.632467]  ? trace_hardirqs_on+0xbd/0x310
[  318.641274] 0 pages in swap cache
[  318.645765]  ? kvm_sched_clock_read+0x9/0x20
[  318.654319] Swap cache stats: add 0, delete 0, find 0/0
[  318.658504]  ? irq_exit+0x17f/0x1c0
[  318.662362] Free swap  = 0kB
[  318.666680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.670106] Total swap = 0kB
[  318.674516]  ? check_preemption_disabled+0x48/0x200
[  318.679850] 1965979 pages RAM
[  318.683469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.686458] 0 pages HighMem/MovableOnly
[  318.691996]  run_timer_softirq+0x52/0xb0
[  318.694984] 342307 pages reserved
[  318.699996]  ? __this_cpu_preempt_check+0x1c/0x1f
[  318.703086] 0 pages cma reserved
[  318.708632]  __do_softirq+0x30b/0xad8
[  318.712672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.716639]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  318.716674]  ? pvclock_read_flags+0x160/0x160
[  318.720159] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.724940]  ? lapic_next_event+0x5a/0x90
[  318.728278] ksoftirqd/0 cpuset=
[  318.732086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.738550] /
[  318.743647]  ? clockevents_program_event+0x140/0x370
[  318.748138]  mems_allowed=0
[  318.758447]  ? kvm_clock_read+0x18/0x30
[  318.785024]  ? kvm_sched_clock_read+0x9/0x20
[  318.789462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.795014]  ? check_preemption_disabled+0x48/0x200
[  318.800083]  irq_exit+0x17f/0x1c0
[  318.803537]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.808415]  ? smp_reschedule_interrupt+0x109/0x650
[  318.813433]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.819320]  ? interrupt_entry+0xb5/0xf0
[  318.823394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.828418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.833437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.838276]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.843292]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.848308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.853853]  ? check_preemption_disabled+0x48/0x200
[  318.858872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.864426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.869271]  apic_timer_interrupt+0xf/0x20
[  318.873512]  </IRQ>
[  318.875756] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  318.880686] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  318.899586] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  318.907294] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  318.914560] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  318.921825] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  318.929090] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  318.936357] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  318.943658]  ? trace_hardirqs_on+0xb4/0x310
[  318.947993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.953539]  skb_clone+0x1bb/0x500
[  318.957079]  ? finish_task_switch+0x2f5/0x900
[  318.961573]  ? skb_split+0x11e0/0x11e0
[  318.965465]  ? preempt_notifier_register+0x200/0x200
[  318.970568]  ? __switch_to_asm+0x34/0x70
[  318.974643]  ? __switch_to_asm+0x34/0x70
[  318.978720]  ? __switch_to_asm+0x40/0x70
[  318.982781]  ? __switch_to_asm+0x34/0x70
[  318.986843]  ? __switch_to_asm+0x40/0x70
[  318.990903]  ? __switch_to_asm+0x34/0x70
[  318.994961]  ? __switch_to_asm+0x40/0x70
[  318.999024]  ? __switch_to_asm+0x34/0x70
[  319.003091]  ? __switch_to_asm+0x34/0x70
[  319.007155]  ? __switch_to_asm+0x40/0x70
[  319.011217]  ? __switch_to_asm+0x34/0x70
[  319.015289]  bpf_clone_redirect+0xb9/0x490
[  319.019527]  ? __schedule+0x874/0x1ed0
[  319.023422]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  319.028444]  ? __sched_text_start+0x8/0x8
[  319.032592]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.037350]  ? retint_kernel+0x2d/0x2d
[  319.041267]  ? lock_acquire+0x1ed/0x520
[  319.045241]  ? bpf_test_run+0x3cb/0x780
[  319.049229]  ? lock_release+0x970/0x970
[  319.053202]  ? preempt_schedule+0x4d/0x60
[  319.057346]  ? preempt_schedule_common+0x1f/0xd0
[  319.062106]  ? preempt_schedule+0x4d/0x60
[  319.066293]  ? ___preempt_schedule+0x16/0x18
[  319.070705]  ? bpf_test_run+0x25d/0x780
[  319.074688]  ? netlink_diag_dump+0x2a0/0x2a0
[  319.079100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.084633]  ? bpf_test_init.isra.9+0x70/0x100
[  319.089218]  ? bpf_prog_test_run_skb+0x634/0xb40
[  319.093980]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.098838]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.104373]  ? fput+0x130/0x1a0
[  319.107662]  ? __bpf_prog_get+0x9b/0x290
[  319.111725]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.116562]  ? bpf_prog_test_run+0x130/0x1a0
[  319.120974]  ? __x64_sys_bpf+0x3d8/0x510
[  319.125030]  ? bpf_prog_get+0x20/0x20
[  319.128843]  ? do_syscall_64+0x1b9/0x820
[  319.132910]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  319.138274]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.143206]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.148228]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  319.153303]  ? recalc_sigpending_tsk+0x180/0x180
[  319.158071]  ? kasan_check_write+0x14/0x20
[  319.162311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.167167]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  319.172542] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  319.172607] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.179392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.179397] Call Trace:
[  319.179420]  dump_stack+0x1c4/0x2b4
[  319.179435]  ? dump_stack_print_info.cold.2+0x52/0x52
[  319.179457]  warn_alloc.cold.119+0xb7/0x1bd
[  319.186033] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.195308]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.197870] syz-executor4 cpuset=
[  319.201494]  ? lock_downgrade+0x900/0x900
[  319.206657] syz4
[  319.210982]  ? trace_hardirqs_off+0xb8/0x310
[  319.221459]  mems_allowed=0
[  319.226300]  ? trace_hardirqs_off+0xb8/0x310
[  319.247533]  __alloc_pages_slowpath+0x2667/0x2d80
[  319.252400]  ? mark_held_locks+0x130/0x130
[  319.256642]  ? warn_alloc+0x120/0x120
[  319.260447]  ? warn_alloc+0x120/0x120
[  319.264249]  ? warn_alloc+0x120/0x120
[  319.268092]  ? mark_held_locks+0x130/0x130
[  319.272333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.277876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.283435]  ? should_fail+0x22d/0xd01
[  319.287320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.292453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.297987]  ? should_fail+0x22d/0xd01
[  319.301893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.306993]  ? should_fail+0x22d/0xd01
[  319.310886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.315993]  ? mark_held_locks+0x130/0x130
[  319.320234]  ? mark_held_locks+0x130/0x130
[  319.324469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.330008]  ? trace_hardirqs_off+0xb8/0x310
[  319.334422]  ? kasan_check_read+0x11/0x20
[  319.338571]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.342979]  ? trace_hardirqs_on+0x310/0x310
[  319.347397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.352936]  ? wq_watchdog_touch+0x9c/0xfe
[  319.357174]  ? io_serial_in+0x11/0x90
[  319.360979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.366522]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.371631]  __alloc_pages_nodemask+0xa80/0xde0
[  319.376312]  ? should_fail+0x22d/0xd01
[  319.380203]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.385234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.389906]  ? lock_downgrade+0x900/0x900
[  319.394062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.399619]  cache_grow_begin+0x91/0x8c0
[  319.403687]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.408100]  fallback_alloc+0x203/0x2e0
[  319.412076]  ____cache_alloc_node+0x1c7/0x1e0
[  319.416592]  kmem_cache_alloc_node+0xe3/0x730
[  319.421089]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.425330]  __alloc_skb+0x119/0x770
[  319.429047]  ? skb_scrub_packet+0x490/0x490
[  319.433366]  ? lock_downgrade+0x900/0x900
[  319.437720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.443258]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.448722]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.454189]  ? addrconf_rs_timer+0x690/0x690
[  319.458659]  ndisc_alloc_skb+0x144/0x340
[  319.462724]  ndisc_send_rs+0x331/0x6e0
[  319.466612]  addrconf_rs_timer+0x314/0x690
[  319.470850]  ? lock_release+0x970/0x970
[  319.474827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.479070]  call_timer_fn+0x272/0x920
[  319.482954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.487190]  ? process_timeout+0x40/0x40
[  319.491280]  ? kasan_check_read+0x11/0x20
[  319.495430]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.499867]  ? trace_hardirqs_on+0x310/0x310
[  319.504278]  ? __run_timers+0x7da/0xc70
[  319.508249]  ? lock_downgrade+0x900/0x900
[  319.512409]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.517513]  ? trace_hardirqs_on+0xbd/0x310
[  319.521835]  ? kasan_check_read+0x11/0x20
[  319.526002]  ? __run_timers+0x7da/0xc70
[  319.529976]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.535428]  ? kasan_check_write+0x14/0x20
[  319.539669]  ? do_raw_spin_lock+0xc1/0x200
[  319.543907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.548146]  __run_timers+0x7e5/0xc70
[  319.551954]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  319.557320]  ? compat_start_thread+0x80/0x80
[  319.561763]  ? dequeue_entity+0x1770/0x1770
[  319.566088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.571837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.577402]  ? _raw_spin_unlock_irq+0x60/0x80
[  319.581897]  ? finish_task_switch+0x1f5/0x900
[  319.586398]  ? finish_task_switch+0x1b5/0x900
[  319.590896]  ? __switch_to_asm+0x34/0x70
[  319.595218]  ? preempt_notifier_register+0x200/0x200
[  319.600322]  ? __switch_to_asm+0x34/0x70
[  319.604393]  ? __switch_to_asm+0x40/0x70
[  319.608460]  ? __switch_to_asm+0x34/0x70
[  319.612514]  ? __switch_to_asm+0x40/0x70
[  319.616574]  ? __switch_to_asm+0x34/0x70
[  319.620637]  ? __switch_to_asm+0x40/0x70
[  319.624705]  ? __switch_to_asm+0x40/0x70
[  319.628770]  ? pvclock_read_flags+0x160/0x160
[  319.633260]  ? __schedule+0x874/0x1ed0
[  319.637187]  ? run_rebalance_domains+0x38d/0x500
[  319.641949]  ? trace_hardirqs_on+0xbd/0x310
[  319.646270]  ? kvm_sched_clock_read+0x9/0x20
[  319.650704]  ? run_ksoftirqd+0x94/0x100
[  319.654678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.660216]  ? check_preemption_disabled+0x48/0x200
[  319.665232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.670772]  run_timer_softirq+0x52/0xb0
[  319.674834]  ? __this_cpu_preempt_check+0x1c/0x1f
[  319.679675]  __do_softirq+0x30b/0xad8
[  319.683482]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  319.688585]  ? trace_hardirqs_off+0xb8/0x310
[  319.692996]  ? schedule+0x108/0x460
[  319.696625]  ? __schedule+0x1ed0/0x1ed0
[  319.700606]  ? run_ksoftirqd+0x40/0x100
[  319.704585]  ? trace_hardirqs_off+0xb8/0x310
[  319.708995]  ? ___might_sleep+0x1ed/0x300
[  319.713144]  ? smpboot_thread_fn+0x68b/0xa00
[  319.717568]  ? trace_hardirqs_on+0x310/0x310
[  319.721976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.727515]  ? check_preemption_disabled+0x48/0x200
[  319.732531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.738071]  ? takeover_tasklets+0xa90/0xa90
[  319.742483]  run_ksoftirqd+0x94/0x100
[  319.746290]  smpboot_thread_fn+0x68b/0xa00
[  319.750530]  ? sort_range+0x30/0x30
[  319.754165]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.759273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.764813]  ? __kthread_parkme+0xfb/0x1a0
[  319.769051]  kthread+0x35a/0x420
[  319.772417]  ? sort_range+0x30/0x30
[  319.776042]  ? kthread_bind+0x40/0x40
[  319.779868]  ret_from_fork+0x3a/0x50
[  319.783588] warn_alloc_show_mem: 1 callbacks suppressed
[  319.783601] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  319.783603] Mem-Info:
[  319.783634] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  319.783634]  active_file:15 inactive_file:15 isolated_file:0
[  319.783634]  unevictable:0 dirty:0 writeback:0 unstable:0
[  319.783634]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  319.783634]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  319.783634]  free:13623 free_pcp:480 free_cma:0
[  319.788985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.796314] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  319.798716] Call Trace:
[  319.831857] Node 0 
[  319.841210]  <IRQ>
[  319.868995] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  319.871564]  dump_stack+0x1c4/0x2b4
[  319.873766] lowmem_reserve[]:
[  319.875913]  ? dump_stack_print_info.cold.2+0x52/0x52
[  319.901420]  0
[  319.905063]  warn_alloc.cold.119+0xb7/0x1bd
[  319.908123]  2819
[  319.913308]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.915082]  6323
[  319.919406]  ? lock_downgrade+0x900/0x900
[  319.921439]  6323
[  319.926276]  ? trace_hardirqs_off+0xb8/0x310
[  319.932463]  ? trace_hardirqs_off+0xb8/0x310
[  319.934516] Node 0 
[  319.938916]  __alloc_pages_slowpath+0x2667/0x2d80
[  319.943318] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  319.945553]  ? warn_alloc+0x120/0x120
[  319.950356] lowmem_reserve[]:
[  319.977269]  ? trace_hardirqs_on+0x310/0x310
[  319.981043]  0
[  319.984147]  ? warn_alloc+0x120/0x120
[  319.988532]  0
[  319.990343]  ? warn_alloc+0x120/0x120
[  319.994134]  3503
[  319.995935]  ? ktime_get+0x2e1/0x440
[  319.999708]  3503
[  320.001810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.005494] Node 0 
[  320.007555]  ? check_preemption_disabled+0x48/0x200
[  320.013085] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  320.015296]  ? kasan_check_read+0x11/0x20
[  320.020284] lowmem_reserve[]:
[  320.049634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.053753]  0
[  320.056856]  ? should_fail+0x22d/0xd01
[  320.062372]  0
[  320.064209]  ? rcu_bh_qs+0xc0/0xc0
[  320.068065]  0
[  320.069863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.073372]  0
[  320.075180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.082066]  ? should_fail+0x22d/0xd01
[  320.087576] Node 0 DMA: 
[  320.091458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.091473]  ? should_fail+0x22d/0xd01
[  320.094156] 1*4kB 
[  320.099269]  ? rcu_idle_enter+0x4b0/0x4b0
[  320.103122] (U) 
[  320.105270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.109410] 0*8kB 
[  320.111406]  ? mark_held_locks+0x130/0x130
[  320.116482] 0*16kB 
[  320.118628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.122836] 1*32kB 
[  320.125068]  ? mark_held_locks+0x130/0x130
[  320.130576] (U) 
[  320.132813]  ? rcu_irq_exit+0xce/0x100
[  320.137029] 2*64kB 
[  320.139010]  ? irq_exit+0xbd/0x1c0
[  320.142868] (U) 
[  320.145100]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  320.148612] 1*128kB 
[  320.150586]  ? do_raw_spin_unlock+0xa7/0x2f0
[  320.155590] (U) 
[  320.157909]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.162291] 1*256kB 
[  320.164266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.170120] (U) 
[  320.172448]  ? ret_from_intr+0xb/0x1e
[  320.177958] 0*512kB 
[  320.179937]  ? retint_kernel+0x2d/0x2d
[  320.183704] 1*1024kB (U) 
[  320.186033]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.189888] 1*2048kB 
[  320.192645]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  320.197557] (M) 
[  320.199970]  ? trace_hardirqs_off+0x310/0x310
[  320.204694] 3*4096kB 
[  320.206672]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.211129] (M) 
[  320.213553]  __alloc_pages_nodemask+0xa80/0xde0
[  320.218612] = 15908kB
[  320.218620] Node 0 
[  320.220599]  ? should_fail+0x22d/0xd01
[  320.225240] DMA32: 
[  320.227656]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  320.229861] 3*4kB 
[  320.233754]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.235951] (UM) 
[  320.240970]  ? lock_downgrade+0x900/0x900
[  320.243091] 2*8kB 
[  320.247762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.249794] (UM) 
[  320.253958]  cache_grow_begin+0x91/0x8c0
[  320.256079] 2*16kB 
[  320.261616]  ? do_raw_spin_unlock+0xa7/0x2f0
[  320.263652] (M) 
[  320.267714]  fallback_alloc+0x203/0x2e0
[  320.269936] 2*32kB 
[  320.274340]  ____cache_alloc_node+0x1c7/0x1e0
[  320.276289] (M) 
[  320.280263]  kmem_cache_alloc_node+0xe3/0x730
[  320.282485] 4*64kB 
[  320.286973]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.288923] (M) 
[  320.293423]  __alloc_skb+0x119/0x770
[  320.295632] 3*128kB 
[  320.299864]  ? skb_scrub_packet+0x490/0x490
[  320.301810] (M) 
[  320.305525]  ? lock_downgrade+0x900/0x900
[  320.307821] 4*256kB 
[  320.312148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.314087] (UM) 
[  320.318231]  ? refcount_sub_and_test_checked+0x203/0x310
[  320.320526] 3*512kB 
[  320.326057]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.328089] (M) 
[  320.333537]  ? addrconf_rs_timer+0x690/0x690
[  320.335831] 3*1024kB 
[  320.341278]  ndisc_alloc_skb+0x144/0x340
[  320.343224] (UM) 
[  320.347891]  ndisc_send_rs+0x331/0x6e0
[  320.350273] 3*2048kB 
[  320.354327]  addrconf_rs_timer+0x314/0x690
[  320.356362] (M) 
[  320.360251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.362634] 3*4096kB 
[  320.366871]  call_timer_fn+0x272/0x920
[  320.368816] (M) 
[  320.373050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.375445] = 24828kB
[  320.379353]  ? process_timeout+0x40/0x40
[  320.381298] Node 0 
[  320.385526]  ? trace_hardirqs_off+0xb8/0x310
[  320.387910] Normal: 
[  320.391971]  ? kasan_check_read+0x11/0x20
[  320.394177] 1555*4kB 
[  320.398584]  ? do_raw_spin_unlock+0xa7/0x2f0
[  320.400875] (UMEH) 
[  320.405021]  ? trace_hardirqs_on+0x310/0x310
[  320.407425] 298*8kB 
[  320.411846]  ? __run_timers+0x7da/0xc70
[  320.414050] (ME) 
[  320.418456]  ? lock_downgrade+0x900/0x900
[  320.420766] 96*16kB 
[  320.424737]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.426769] (ME) 
[  320.430912]  ? trace_hardirqs_on+0xbd/0x310
[  320.433206] 43*32kB 
[  320.438306]  ? kasan_check_read+0x11/0x20
[  320.440340] (UME) 
[  320.444691]  ? __run_timers+0x7da/0xc70
[  320.446984] 31*64kB 
[  320.451127]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.453245] (UM) 
[  320.457217]  ? kasan_check_write+0x14/0x20
[  320.459512] 0*128kB 
[  320.464960]  ? do_raw_spin_lock+0xc1/0x200
[  320.466998] 1*256kB 
[  320.471227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.473525] (U) 
[  320.477761]  __run_timers+0x7e5/0xc70
[  320.480054] 0*512kB 
[  320.484292]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  320.486234] 0*1024kB 
[  320.490032]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.492330] 0*2048kB 
[  320.497686]  ? timerqueue_add+0x207/0x2b0
[  320.500066] 0*4096kB 
[  320.505078]  ? enqueue_hrtimer+0x1a5/0x560
[  320.507466] = 13756kB
[  320.511606]  ? lock_release+0x970/0x970
[  320.513993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  320.518215]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.520604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  320.524571]  ? kasan_check_write+0x14/0x20
[  320.533404] 3632 total pagecache pages
[  320.538594]  ? pvclock_read_flags+0x160/0x160
[  320.547153] 0 pages in swap cache
[  320.551389]  ? lock_downgrade+0x900/0x900
[  320.555265] Swap cache stats: add 0, delete 0, find 0/0
[  320.559751]  ? trace_hardirqs_on+0xbd/0x310
[  320.563188] Free swap  = 0kB
[  320.567346]  ? kvm_sched_clock_read+0x9/0x20
[  320.572681] Total swap = 0kB
[  320.577008]  ? irq_exit+0x17f/0x1c0
[  320.580001] 1965979 pages RAM
[  320.584410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.587411] 0 pages HighMem/MovableOnly
[  320.591032]  ? check_preemption_disabled+0x48/0x200
[  320.594105] 342307 pages reserved
[  320.599637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.603587] 0 pages cma reserved
[  320.608597]  run_timer_softirq+0x52/0xb0
[  320.612145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  320.617553]  ? __this_cpu_preempt_check+0x1c/0x1f
[  320.617572]  __do_softirq+0x30b/0xad8
[  320.620972] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.624969]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  320.631435] ksoftirqd/0 cpuset=
[  320.636274]  ? pvclock_read_flags+0x160/0x160
[  320.640043] /
[  320.650346]  ? lapic_next_event+0x5a/0x90
[  320.655428]  mems_allowed=0
[  320.658701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.677441]  ? clockevents_program_event+0x140/0x370
[  320.682563]  ? kvm_clock_read+0x18/0x30
[  320.686535]  ? kvm_sched_clock_read+0x9/0x20
[  320.690945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.696483]  ? check_preemption_disabled+0x48/0x200
[  320.701508]  irq_exit+0x17f/0x1c0
[  320.704966]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.709803]  ? smp_reschedule_interrupt+0x109/0x650
[  320.714816]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.720702]  ? interrupt_entry+0xb5/0xf0
[  320.724763]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.729782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.734815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.739660]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.744677]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.749695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.755251]  ? check_preemption_disabled+0x48/0x200
[  320.760265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.765809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.770652]  apic_timer_interrupt+0xf/0x20
[  320.774884]  </IRQ>
[  320.777123] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  320.782060] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  320.800960] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  320.808669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  320.815931] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  320.823214] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  320.830480] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  320.837749] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  320.845038]  ? trace_hardirqs_on+0xb4/0x310
[  320.849372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.854927]  skb_clone+0x1bb/0x500
[  320.858469]  ? finish_task_switch+0x2f5/0x900
[  320.862962]  ? skb_split+0x11e0/0x11e0
[  320.866868]  ? preempt_notifier_register+0x200/0x200
[  320.872004]  ? __switch_to_asm+0x34/0x70
[  320.876088]  ? __switch_to_asm+0x34/0x70
[  320.880151]  ? __switch_to_asm+0x40/0x70
[  320.884207]  ? __switch_to_asm+0x34/0x70
[  320.888267]  ? __switch_to_asm+0x40/0x70
[  320.892325]  ? __switch_to_asm+0x34/0x70
[  320.896388]  ? __switch_to_asm+0x40/0x70
[  320.900451]  ? __switch_to_asm+0x34/0x70
[  320.904520]  ? __switch_to_asm+0x34/0x70
[  320.908579]  ? __switch_to_asm+0x40/0x70
[  320.912637]  ? __switch_to_asm+0x34/0x70
[  320.916708]  bpf_clone_redirect+0xb9/0x490
[  320.920941]  ? __schedule+0x874/0x1ed0
[  320.924833]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  320.929851]  ? __sched_text_start+0x8/0x8
[  320.933998]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  320.938758]  ? retint_kernel+0x2d/0x2d
[  320.942653]  ? lock_acquire+0x1ed/0x520
[  320.946627]  ? bpf_test_run+0x3cb/0x780
[  320.950602]  ? lock_release+0x970/0x970
[  320.954574]  ? preempt_schedule+0x4d/0x60
[  320.958720]  ? preempt_schedule_common+0x1f/0xd0
[  320.963472]  ? preempt_schedule+0x4d/0x60
[  320.967624]  ? ___preempt_schedule+0x16/0x18
[  320.972036]  ? bpf_test_run+0x25d/0x780
[  320.976014]  ? netlink_diag_dump+0x2a0/0x2a0
[  320.980422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.985959]  ? bpf_test_init.isra.9+0x70/0x100
[  320.990547]  ? bpf_prog_test_run_skb+0x634/0xb40
[  320.995307]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  321.000151]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.005700]  ? fput+0x130/0x1a0
[  321.008990]  ? __bpf_prog_get+0x9b/0x290
[  321.013064]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  321.017903]  ? bpf_prog_test_run+0x130/0x1a0
[  321.022320]  ? __x64_sys_bpf+0x3d8/0x510
[  321.026389]  ? bpf_prog_get+0x20/0x20
[  321.030203]  ? do_syscall_64+0x1b9/0x820
[  321.034269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  321.039632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.044562]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.049579]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.054595]  ? recalc_sigpending_tsk+0x180/0x180
[  321.059357]  ? kasan_check_write+0x14/0x20
[  321.063606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.068455]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.073834] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  321.073860] rcu: INFO: rcu_preempt self-detected stall on CPU
[  321.080678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.086581] Call Trace:
[  321.095936] rcu: 	1-...!: (132 ticks this GP) idle=b8e/1/0x4000000000000004 softirq=12852/12852 fqs=0 
[  321.098500]  dump_stack+0x1c4/0x2b4
[  321.107918] rcu: 	 (t=10682 jiffies g=16313 q=38)
[  321.111541]  ? dump_stack_print_info.cold.2+0x52/0x52
[  321.111563]  warn_alloc.cold.119+0xb7/0x1bd
[  321.116392] rcu: rcu_preempt kthread starved for 10682 jiffies! g16313 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  321.121565]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.125879] rcu: RCU grace-period kthread stack dump:
[  321.136358]  ? lock_downgrade+0x900/0x900
[  321.141175] rcu_preempt     R
[  321.146358]  ? trace_hardirqs_off+0xb8/0x310
[  321.150477]   running task    
[  321.153574]  ? trace_hardirqs_off+0xb8/0x310
[  321.157965] 22784    10      2 0x80000000
[  321.161147]  __alloc_pages_slowpath+0x2667/0x2d80
[  321.165532] Call Trace:
[  321.169684]  ? mark_held_locks+0x130/0x130
[  321.174498]  __schedule+0x86c/0x1ed0
[  321.177065]  ? warn_alloc+0x120/0x120
[  321.181286]  ? __sched_text_start+0x8/0x8
[  321.184984]  ? warn_alloc+0x120/0x120
[  321.188771]  ? __mod_timer+0x6f6/0x1870
[  321.192902]  ? warn_alloc+0x120/0x120
[  321.196694]  ? add_timer_on+0x9f0/0x9f0
[  321.200662]  ? mark_held_locks+0x130/0x130
[  321.204447]  ? lock_downgrade+0x900/0x900
[  321.208413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.212631]  ? trace_hardirqs_on+0xbd/0x310
[  321.216768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.222292]  ? kasan_check_read+0x11/0x20
[  321.226593]  ? should_fail+0x22d/0xd01
[  321.232115]  ? prepare_to_swait_event+0x25a/0x800
[  321.236243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.240115]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.244940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.250028]  schedule+0xfe/0x460
[  321.255464]  ? should_fail+0x22d/0xd01
[  321.260983]  ? __schedule+0x1ed0/0x1ed0
[  321.264352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.268229]  ? prepare_to_swait_event+0x25a/0x800
[  321.272186]  ? should_fail+0x22d/0xd01
[  321.277279]  ? __init_swait_queue_head+0x150/0x150
[  321.282109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.285980]  ? __lockdep_init_map+0x105/0x590
[  321.290911]  ? mark_held_locks+0x130/0x130
[  321.295999]  ? lockdep_init_map+0x9/0x10
[  321.300478]  ? mark_held_locks+0x130/0x130
[  321.304708]  schedule_timeout+0x140/0x260
[  321.308751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.312968]  ? usleep_range+0x1a0/0x1a0
[  321.317102]  ? trace_hardirqs_off+0xb8/0x310
[  321.322628]  ? __next_timer_interrupt+0x1a0/0x1a0
[  321.326592]  ? kasan_check_read+0x11/0x20
[  321.330987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.335811]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.339944]  rcu_gp_kthread+0x9d9/0x2310
[  321.345458]  ? trace_hardirqs_on+0x310/0x310
[  321.349863]  ? rcu_gp_init+0x1830/0x1830
[  321.353897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.358286]  ? update_curr+0x344/0xbe0
[  321.362331]  ? wq_watchdog_touch+0x9c/0xfe
[  321.367849]  ? graph_lock+0x170/0x170
[  321.371723]  ? io_serial_in+0x11/0x90
[  321.375939]  ? __account_cfs_rq_runtime+0x790/0x790
[  321.379725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.383512]  ? __lock_acquire+0x7ec/0x4ec0
[  321.388519]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.394035]  ? graph_lock+0x170/0x170
[  321.398259]  __alloc_pages_nodemask+0xa80/0xde0
[  321.403343]  ? mark_held_locks+0x130/0x130
[  321.407126]  ? should_fail+0x22d/0xd01
[  321.411784]  ? __lock_is_held+0xb5/0x140
[  321.416003]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  321.419876]  ? __account_cfs_rq_runtime+0x790/0x790
[  321.423934]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.428924]  ? set_next_entity+0x2f0/0xaf0
[  321.433936]  ? lock_downgrade+0x900/0x900
[  321.438747]  ? mark_held_locks+0x130/0x130
[  321.442976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.447107]  ? rcu_read_lock_sched_held+0x108/0x120
[  321.451324]  cache_grow_begin+0x91/0x8c0
[  321.456842]  ? update_load_avg+0x2470/0x2470
[  321.461856]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.465918]  ? __enqueue_entity+0x10d/0x1f0
[  321.470309]  fallback_alloc+0x203/0x2e0
[  321.474700]  ? graph_lock+0x170/0x170
[  321.479036]  ____cache_alloc_node+0x1c7/0x1e0
[  321.482990]  ? match_held_lock+0x291/0x8d0
[  321.486779]  kmem_cache_alloc_node+0xe3/0x730
[  321.491256]  ? graph_lock+0x170/0x170
[  321.495476]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.499970]  ? match_held_lock+0x290/0x8d0
[  321.503760]  __alloc_skb+0x119/0x770
[  321.508016]  ? match_held_lock+0x290/0x8d0
[  321.512228]  ? skb_scrub_packet+0x490/0x490
[  321.515933]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.520149]  ? lock_downgrade+0x900/0x900
[  321.524458]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.528935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.533066]  ? lockdep_hardirqs_on+0x421/0x5c0
[  321.537544]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.543067]  ? trace_hardirqs_on+0xbd/0x310
[  321.547630]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.553067]  ? kasan_check_read+0x11/0x20
[  321.557369]  ? addrconf_rs_timer+0x690/0x690
[  321.562815]  ? mark_held_locks+0x130/0x130
[  321.567143]  ndisc_alloc_skb+0x144/0x340
[  321.567158]  ndisc_send_rs+0x331/0x6e0
[  321.567175]  addrconf_rs_timer+0x314/0x690
[  321.571579]  ? audit_add_watch+0x481/0xdc0
[  321.575803]  ? lock_release+0x970/0x970
[  321.579851]  ? kasan_check_write+0x14/0x20
[  321.583718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.587938]  ? finish_task_switch+0x2f5/0x900
[  321.592161]  call_timer_fn+0x272/0x920
[  321.596126]  ? __switch_to_asm+0x40/0x70
[  321.600346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.604566]  ? preempt_notifier_register+0x200/0x200
[  321.609036]  ? process_timeout+0x40/0x40
[  321.609047]  ? kasan_check_read+0x11/0x20
[  321.609057]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.609066]  ? trace_hardirqs_on+0x310/0x310
[  321.609075]  ? __run_timers+0x7da/0xc70
[  321.609083]  ? lock_downgrade+0x900/0x900
[  321.609094]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.609102]  ? trace_hardirqs_on+0xbd/0x310
[  321.609109]  ? kasan_check_read+0x11/0x20
[  321.609116]  ? __run_timers+0x7da/0xc70
[  321.609124]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.609132]  ? kasan_check_write+0x14/0x20
[  321.609141]  ? do_raw_spin_lock+0xc1/0x200
[  321.609155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.609172]  __run_timers+0x7e5/0xc70
[  321.613047]  ? __switch_to_asm+0x34/0x70
[  321.617096]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  321.621315]  ? __switch_to_asm+0x34/0x70
[  321.626405]  ? compat_start_thread+0x80/0x80
[  321.630454]  ? __switch_to_asm+0x40/0x70
[  321.634587]  ? dequeue_entity+0x1770/0x1770
[  321.638980]  ? __switch_to_asm+0x40/0x70
[  321.643376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.647340]  ? __switch_to_asm+0x34/0x70
[  321.651486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.656576]  ? __switch_to_asm+0x40/0x70
[  321.660884]  ? _raw_spin_unlock_irq+0x60/0x80
[  321.665013]  ? __switch_to_asm+0x34/0x70
[  321.668973]  ? finish_task_switch+0x1f5/0x900
[  321.674416]  ? __switch_to_asm+0x34/0x70
[  321.678636]  ? finish_task_switch+0x1b5/0x900
[  321.682860]  ? __switch_to_asm+0x40/0x70
[  321.687077]  ? __switch_to_asm+0x34/0x70
[  321.690859]  ? __switch_to_asm+0x40/0x70
[  321.694925]  ? preempt_notifier_register+0x200/0x200
[  321.700273]  ? __switch_to_asm+0x34/0x70
[  321.704319]  ? __switch_to_asm+0x34/0x70
[  321.708712]  ? __switch_to_asm+0x40/0x70
[  321.712756]  ? __switch_to_asm+0x40/0x70
[  321.717066]  ? __schedule+0x874/0x1ed0
[  321.721112]  ? __switch_to_asm+0x34/0x70
[  321.726638]  ? __switch_to_asm+0x40/0x70
[  321.730686]  ? __switch_to_asm+0x40/0x70
[  321.736208]  ? __switch_to_asm+0x40/0x70
[  321.740255]  ? __switch_to_asm+0x34/0x70
[  321.744737]  ? graph_lock+0x170/0x170
[  321.748782]  ? __switch_to_asm+0x40/0x70
[  321.753261]  ? __sched_text_start+0x8/0x8
[  321.757304]  ? __switch_to_asm+0x40/0x70
[  321.761788]  ? find_held_lock+0x36/0x1c0
[  321.765832]  ? pvclock_read_flags+0x160/0x160
[  321.769879]  ? __kthread_parkme+0xce/0x1a0
[  321.773920]  ? __schedule+0x874/0x1ed0
[  321.779041]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  321.783084]  ? run_rebalance_domains+0x38d/0x500
[  321.787132]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  321.791191]  ? trace_hardirqs_on+0xbd/0x310
[  321.795236]  ? lockdep_hardirqs_on+0x421/0x5c0
[  321.799107]  ? kvm_sched_clock_read+0x9/0x20
[  321.803155]  ? trace_hardirqs_on+0xbd/0x310
[  321.807222]  ? run_ksoftirqd+0x94/0x100
[  321.811269]  ? kasan_check_read+0x11/0x20
[  321.815325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.819371]  ? __kthread_parkme+0xce/0x1a0
[  321.823168]  ? check_preemption_disabled+0x48/0x200
[  321.827227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.831355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.835413]  ? kasan_check_write+0x14/0x20
[  321.839458]  run_timer_softirq+0x52/0xb0
[  321.843939]  ? do_raw_spin_lock+0xc1/0x200
[  321.848164]  ? __this_cpu_preempt_check+0x1c/0x1f
[  321.852042]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.857137]  __do_softirq+0x30b/0xad8
[  321.861884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.866971]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  321.871279]  ? __kthread_parkme+0xfb/0x1a0
[  321.875844]  ? trace_hardirqs_off+0xb8/0x310
[  321.880249]  kthread+0x35a/0x420
[  321.884573]  ? schedule+0x108/0x460
[  321.888534]  ? rcu_gp_init+0x1830/0x1830
[  321.892662]  ? __schedule+0x1ed0/0x1ed0
[  321.898189]  ? kthread_bind+0x40/0x40
[  321.902413]  ? run_ksoftirqd+0x40/0x100
[  321.907422]  ret_from_fork+0x3a/0x50
[  321.912853]  ? trace_hardirqs_off+0xb8/0x310
[  321.918375] NMI backtrace for cpu 1
[  321.922601]  ? ___might_sleep+0x1ed/0x300
[  322.002331]  ? smpboot_thread_fn+0x68b/0xa00
[  322.006766]  ? trace_hardirqs_on+0x310/0x310
[  322.011177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.016719]  ? check_preemption_disabled+0x48/0x200
[  322.021736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.027278]  ? takeover_tasklets+0xa90/0xa90
[  322.031710]  run_ksoftirqd+0x94/0x100
[  322.035514]  smpboot_thread_fn+0x68b/0xa00
[  322.039747]  ? sort_range+0x30/0x30
[  322.043376]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.048508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.054049]  ? __kthread_parkme+0xfb/0x1a0
[  322.058286]  kthread+0x35a/0x420
[  322.061660]  ? sort_range+0x30/0x30
[  322.065285]  ? kthread_bind+0x40/0x40
[  322.069087]  ret_from_fork+0x3a/0x50
[  322.072807] warn_alloc_show_mem: 1 callbacks suppressed
[  322.072819] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  322.072821] Mem-Info:
[  322.072854] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  322.072854]  active_file:15 inactive_file:15 isolated_file:0
[  322.072854]  unevictable:0 dirty:0 writeback:0 unstable:0
[  322.072854]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  322.072854]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  322.072854]  free:13623 free_pcp:480 free_cma:0
[  322.078193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.085489] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  322.087885] Call Trace:
[  322.120940] Node 0 
[  322.130288]  <IRQ>
[  322.158065] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  322.160628]  dump_stack+0x1c4/0x2b4
[  322.162848] lowmem_reserve[]:
[  322.164991]  ? dump_stack_print_info.cold.2+0x52/0x52
[  322.190484]  0
[  322.194117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.197188]  2819
[  322.202375]  ? trace_hardirqs_off+0xb8/0x310
[  322.204155]  6323
[  322.209691]  nmi_cpu_backtrace.cold.3+0x63/0xa2
[  322.211726]  6323
[  322.216132]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  322.222830]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  322.224882] Node 0 
[  322.230067]  arch_trigger_cpumask_backtrace+0x14/0x20
[  322.235345] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  322.237548]  rcu_dump_cpu_stacks+0x175/0x1c2
[  322.242711] lowmem_reserve[]:
[  322.269640]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.274024]  0
[  322.277127]  print_cpu_stall.cold.78+0x2d3/0x524
[  322.282112]  0
[  322.283910]  ? rcu_dynticks_snap+0x30/0x30
[  322.288633]  3503
[  322.290443]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  322.294663]  3503
[  322.296720]  ? rcu_test_sync_prims+0x30/0x30
[  322.304547]  ? mark_held_locks+0x130/0x130
[  322.308927] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  322.313189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.313205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.342342] lowmem_reserve[]:
[  322.347889]  ? check_preemption_disabled+0x48/0x200
[  322.353395]  0
[  322.356505]  rcu_check_callbacks+0xfd9/0x1990
[  322.361494]  0
[  322.363291]  ? rcu_cpu_stall_reset+0x220/0x220
[  322.367753]  0
[  322.369549]  ? lock_release+0x970/0x970
[  322.374104]  0
[  322.375901]  ? mark_held_locks+0x130/0x130
[  322.381658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.385867] Node 0 
[  322.391402]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  322.391405] DMA: 1*4kB 
[  322.393642]  ? kvm_set_tsc_khz+0x540/0x540
[  322.398203] (U) 
[  322.400786]  ? warn_alloc.cold.119+0xd1/0x1bd
[  322.404991] 0*8kB 
[  322.406960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.411432] 0*16kB 
[  322.413583]  ? notifier_call_chain+0x2d4/0x380
[  322.419095] 1*32kB 
[  322.421327]  ? timekeeping_advance+0x3cc/0xc00
[  322.425901] (U) 
[  322.428138]  ? lock_downgrade+0x900/0x900
[  322.432697] 2*64kB 
[  322.434663]  ? lock_downgrade+0x900/0x900
[  322.438785] (U) 
[  322.441019]  ? trace_hardirqs_off+0xb8/0x310
[  322.445140] 1*128kB 
[  322.447115]  ? trace_hardirqs_off+0xb8/0x310
[  322.451498] (U) 
[  322.453822]  ? memcpy+0x45/0x50
[  322.458207] 1*256kB 
[  322.460178]  ? trace_hardirqs_on+0x310/0x310
[  322.463432] (U) 
[  322.465774]  ? check_preemption_disabled+0x48/0x200
[  322.470147] 0*512kB 1*1024kB 
[  322.472129]  ? raise_softirq+0x199/0x420
[  322.477129] (U) 
[  322.480229]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  322.484280] 1*2048kB 
[  322.486250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.490933] (M) 
[  322.493341]  ? check_preemption_disabled+0x48/0x200
[  322.498851] 3*4096kB 
[  322.500820]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.505812] (M) 
[  322.508219]  ? hrtimer_run_queues+0x9a/0x400
[  322.513730] = 15908kB
[  322.515694]  ? run_local_timers+0x19b/0x230
[  322.520077] Node 0 
[  322.522475]  ? timer_clear_idle+0x90/0x90
[  322.526770] DMA32: 
[  322.529004]  ? debug_smp_processor_id+0x1c/0x20
[  322.533121] 3*4kB 
[  322.535371]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  322.540015] (UM) 
[  322.542164]  ? account_process_tick+0x282/0x350
[  322.548115] 2*8kB 
[  322.550173]  update_process_times+0x2d/0x70
[  322.554831] (UM) 
[  322.556979]  tick_sched_handle+0x9f/0x180
[  322.561271] 2*16kB 
[  322.563328]  tick_sched_timer+0x45/0x130
[  322.567453] (M) 
[  322.569683]  __hrtimer_run_queues+0x41c/0x10d0
[  322.573718] 2*32kB 
[  322.575685]  ? tick_sched_do_timer+0x1a0/0x1a0
[  322.580241] (M) 
[  322.582474]  ? hrtimer_start_range_ns+0xe00/0xe00
[  322.587030] 4*64kB 
[  322.589002]  ? pvclock_read_flags+0x160/0x160
[  322.593815] (M) 
[  322.596049]  ? trace_hardirqs_on+0x310/0x310
[  322.600535] 3*128kB 
[  322.602506]  ? rcu_irq_exit+0xce/0x100
[  322.606886] (M) 
[  322.609206]  ? kvm_clock_read+0x18/0x30
[  322.613076] 4*256kB 
[  322.615049]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  322.618994] (UM) 
[  322.621315]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  322.626321] 3*512kB 
[  322.628374]  ? do_timer+0x50/0x50
[  322.633722] (M) 
[  322.636038]  ? trace_hardirqs_on+0x310/0x310
[  322.639476] 3*1024kB 
[  322.641450]  ? do_raw_spin_lock+0xc1/0x200
[  322.645830] (UM) 
[  322.648249]  hrtimer_interrupt+0x313/0x780
[  322.652460] 3*2048kB 
[  322.654519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.658726] (M) 
[  322.661133]  smp_apic_timer_interrupt+0x1a1/0x760
[  322.666637] 3*4096kB 
[  322.668605]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.673421] (M) 
[  322.675826]  ? interrupt_entry+0xb5/0xf0
[  322.681686] = 24828kB
[  322.683659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.683679]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.687718] Node 0 
[  322.690148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.695134] Normal: 
[  322.699809]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.702017] 1555*4kB 
[  322.706858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.709153] (UMEH) 
[  322.714179]  apic_timer_interrupt+0xf/0x20
[  322.716560] 298*8kB 
[  322.721411] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  322.723621] (ME) 
[  322.727845] Code: 41 7e 0f 85 32 ff ff ff e8 75 f0 3f ff e9 28 ff ff ff e8 dc 53 c4 ff 48 83 3d 2c 65 71 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 8a 2b
[  322.730151] 96*16kB 
[  322.735500] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286
[  322.737562] (ME) 
[  322.756458]  ORIG_RAX: ffffffffffffff13
[  322.758771] 43*32kB 
[  322.764123] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca
[  322.766167] (UME) 
[  322.770130] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  322.772436] 31*64kB 
[  322.779693] RBP: ffff8801daf074c0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  322.781822] (UM) 
[  322.789080] R10: ffff8801daf06098 R11: ffffffff89408aa3 R12: ffff8801d9be7680
[  322.791391] 0*128kB 
[  322.798657] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
[  322.800701] 1*256kB 
[  322.807971]  ? apic_timer_interrupt+0xa/0x20
[  322.810265] (U) 
[  322.817533]  ? trace_hardirqs_on+0x9a/0x310
[  322.819830] 0*512kB 
[  322.824232]  ? trace_hardirqs_on+0xb4/0x310
[  322.826186] 0*1024kB 
[  322.830508]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.832831] 0*2048kB 
[  322.837166]  __alloc_skb+0x119/0x770
[  322.839553] 0*4096kB 
[  322.843776]  ? skb_scrub_packet+0x490/0x490
[  322.846162] = 13756kB
[  322.849871]  ? lock_downgrade+0x900/0x900
[  322.852260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  322.856573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.858960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  322.863098]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.871912] 3632 total pagecache pages
[  322.877442]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.885993] 0 pages in swap cache
[  322.891439]  ? addrconf_rs_timer+0x690/0x690
[  322.895302] Swap cache stats: add 0, delete 0, find 0/0
[  322.900754]  ndisc_alloc_skb+0x144/0x340
[  322.904176] Free swap  = 0kB
[  322.908577]  ndisc_send_rs+0x331/0x6e0
[  322.913918] Total swap = 0kB
[  322.917974]  addrconf_rs_timer+0x314/0x690
[  322.920969] 1965979 pages RAM
[  322.924846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.927843] 0 pages HighMem/MovableOnly
[  322.932073]  call_timer_fn+0x272/0x920
[  322.935152] 342307 pages reserved
[  322.939387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.943340] 0 pages cma reserved
[  322.947226]  ? process_timeout+0x40/0x40
[  322.950727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.954891]  ? trace_hardirqs_off+0xb8/0x310
[  322.958320] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.962289]  ? kasan_check_read+0x11/0x20
[  322.968750] ksoftirqd/0 cpuset=
[  322.973197]  ? do_raw_spin_unlock+0xa7/0x2f0
[  322.983475] /
[  322.987617]  ? trace_hardirqs_on+0x310/0x310
[  322.990874]  mems_allowed=0
[  322.995274]  ? __run_timers+0x7da/0xc70
[  323.008248]  ? lock_downgrade+0x900/0x900
[  323.012408]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.017517]  ? trace_hardirqs_on+0xbd/0x310
[  323.021838]  ? kasan_check_read+0x11/0x20
[  323.025988]  ? __run_timers+0x7da/0xc70
[  323.029964]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.035421]  ? kasan_check_write+0x14/0x20
[  323.039659]  ? do_raw_spin_lock+0xc1/0x200
[  323.043901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.048144]  __run_timers+0x7e5/0xc70
[  323.051955]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  323.057322]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.062339]  ? timerqueue_add+0x207/0x2b0
[  323.066489]  ? enqueue_hrtimer+0x1a5/0x560
[  323.070724]  ? lock_release+0x970/0x970
[  323.074701]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.079897]  ? kasan_check_write+0x14/0x20
[  323.084149]  ? pvclock_read_flags+0x160/0x160
[  323.088644]  ? lock_downgrade+0x900/0x900
[  323.092800]  ? trace_hardirqs_on+0xbd/0x310
[  323.097119]  ? kvm_sched_clock_read+0x9/0x20
[  323.101532]  ? irq_exit+0x17f/0x1c0
[  323.105163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.110705]  ? check_preemption_disabled+0x48/0x200
[  323.115723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.121267]  run_timer_softirq+0x52/0xb0
[  323.125330]  ? __this_cpu_preempt_check+0x1c/0x1f
[  323.130173]  __do_softirq+0x30b/0xad8
[  323.133979]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  323.139084]  ? pvclock_read_flags+0x160/0x160
[  323.143578]  ? lapic_next_event+0x5a/0x90
[  323.147728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.153266]  ? clockevents_program_event+0x140/0x370
[  323.158377]  ? kvm_clock_read+0x18/0x30
[  323.162362]  ? kvm_sched_clock_read+0x9/0x20
[  323.166780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.172320]  ? check_preemption_disabled+0x48/0x200
[  323.177340]  irq_exit+0x17f/0x1c0
[  323.180835]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.185675]  ? smp_reschedule_interrupt+0x109/0x650
[  323.190693]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.196583]  ? interrupt_entry+0xb5/0xf0
[  323.200647]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.205667]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.210683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.215526]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.220540]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.225554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.231098]  ? check_preemption_disabled+0x48/0x200
[  323.236117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.241666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.246514]  apic_timer_interrupt+0xf/0x20
[  323.250745]  </IRQ>
[  323.252991] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  323.257924] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  323.276827] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  323.285205] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  323.292489] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  323.299756] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  323.307027] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  323.314293] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  323.321588]  ? trace_hardirqs_on+0xb4/0x310
[  323.325917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.331458]  skb_clone+0x1bb/0x500
[  323.335002]  ? finish_task_switch+0x2f5/0x900
[  323.339497]  ? skb_split+0x11e0/0x11e0
[  323.343396]  ? preempt_notifier_register+0x200/0x200
[  323.348504]  ? __switch_to_asm+0x34/0x70
[  323.352567]  ? __switch_to_asm+0x34/0x70
[  323.356623]  ? __switch_to_asm+0x40/0x70
[  323.360683]  ? __switch_to_asm+0x34/0x70
[  323.364745]  ? __switch_to_asm+0x40/0x70
[  323.368806]  ? __switch_to_asm+0x34/0x70
[  323.372867]  ? __switch_to_asm+0x40/0x70
[  323.376926]  ? __switch_to_asm+0x34/0x70
[  323.380988]  ? __switch_to_asm+0x34/0x70
[  323.385067]  ? __switch_to_asm+0x40/0x70
[  323.389124]  ? __switch_to_asm+0x34/0x70
[  323.393196]  bpf_clone_redirect+0xb9/0x490
[  323.397434]  ? __schedule+0x874/0x1ed0
[  323.401328]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  323.406341]  ? __sched_text_start+0x8/0x8
[  323.410490]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  323.415245]  ? retint_kernel+0x2d/0x2d
[  323.419136]  ? lock_acquire+0x1ed/0x520
[  323.423115]  ? bpf_test_run+0x3cb/0x780
[  323.427107]  ? lock_release+0x970/0x970
[  323.431111]  ? preempt_schedule+0x4d/0x60
[  323.435354]  ? preempt_schedule_common+0x1f/0xd0
[  323.440108]  ? preempt_schedule+0x4d/0x60
[  323.444258]  ? ___preempt_schedule+0x16/0x18
[  323.448671]  ? bpf_test_run+0x25d/0x780
[  323.452659]  ? netlink_diag_dump+0x2a0/0x2a0
[  323.457069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.462602]  ? bpf_test_init.isra.9+0x70/0x100
[  323.467185]  ? bpf_prog_test_run_skb+0x634/0xb40
[  323.471943]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  323.476783]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  323.482331]  ? fput+0x130/0x1a0
[  323.485604]  ? __bpf_prog_get+0x9b/0x290
[  323.489661]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  323.494519]  ? bpf_prog_test_run+0x130/0x1a0
[  323.498930]  ? __x64_sys_bpf+0x3d8/0x510
[  323.502988]  ? bpf_prog_get+0x20/0x20
[  323.506806]  ? do_syscall_64+0x1b9/0x820
[  323.510887]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  323.516254]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.521188]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.526210]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  323.531229]  ? recalc_sigpending_tsk+0x180/0x180
[  323.535992]  ? kasan_check_write+0x14/0x20
[  323.540232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.545085]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  323.550464] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  323.550557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.557316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.557321] Call Trace:
[  323.557345]  dump_stack+0x1c4/0x2b4
[  323.557362]  ? dump_stack_print_info.cold.2+0x52/0x52
[  323.563896] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.573388]  warn_alloc.cold.119+0xb7/0x1bd
[  323.575945] syz-executor4 cpuset=
[  323.579579]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.584743] syz4
[  323.595229]  ? lock_downgrade+0x900/0x900
[  323.599531]  mems_allowed=0
[  323.602975]  ? trace_hardirqs_off+0xb8/0x310
[  323.621214]  ? trace_hardirqs_off+0xb8/0x310
[  323.625632]  __alloc_pages_slowpath+0x2667/0x2d80
[  323.630499]  ? mark_held_locks+0x130/0x130
[  323.634734]  ? warn_alloc+0x120/0x120
[  323.638535]  ? warn_alloc+0x120/0x120
[  323.642335]  ? warn_alloc+0x120/0x120
[  323.646137]  ? mark_held_locks+0x130/0x130
[  323.650378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.655922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.661464]  ? should_fail+0x22d/0xd01
[  323.665350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.670459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.675999]  ? should_fail+0x22d/0xd01
[  323.679891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.684994]  ? should_fail+0x22d/0xd01
[  323.688884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.694009]  ? mark_held_locks+0x130/0x130
[  323.698247]  ? mark_held_locks+0x130/0x130
[  323.702483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.708028]  ? trace_hardirqs_off+0xb8/0x310
[  323.712436]  ? kasan_check_read+0x11/0x20
[  323.716598]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.721010]  ? trace_hardirqs_on+0x310/0x310
[  323.725426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.730965]  ? wq_watchdog_touch+0x9c/0xfe
[  323.735203]  ? io_serial_in+0x11/0x90
[  323.739007]  ? retint_kernel+0x2d/0x2d
[  323.742897]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.747828]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  323.752584]  ? trace_hardirqs_off+0x310/0x310
[  323.757083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.762207]  __alloc_pages_nodemask+0xa80/0xde0
[  323.766876]  ? should_fail+0x22d/0xd01
[  323.770766]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  323.775799]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.780474]  ? lock_downgrade+0x900/0x900
[  323.784627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.790171]  cache_grow_begin+0x91/0x8c0
[  323.794244]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.798664]  fallback_alloc+0x203/0x2e0
[  323.802654]  ____cache_alloc_node+0x1c7/0x1e0
[  323.807151]  kmem_cache_alloc_node+0xe3/0x730
[  323.811653]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.815895]  __alloc_skb+0x119/0x770
[  323.819615]  ? skb_scrub_packet+0x490/0x490
[  323.823951]  ? lock_downgrade+0x900/0x900
[  323.828107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.833668]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.839120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.844574]  ? addrconf_rs_timer+0x690/0x690
[  323.848991]  ndisc_alloc_skb+0x144/0x340
[  323.853055]  ndisc_send_rs+0x331/0x6e0
[  323.856946]  addrconf_rs_timer+0x314/0x690
[  323.861183]  ? lock_release+0x970/0x970
[  323.865155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.869409]  call_timer_fn+0x272/0x920
[  323.873296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.877532]  ? process_timeout+0x40/0x40
[  323.881595]  ? kasan_check_read+0x11/0x20
[  323.885757]  ? do_raw_spin_unlock+0xa7/0x2f0
[  323.890174]  ? trace_hardirqs_on+0x310/0x310
[  323.894586]  ? __run_timers+0x7da/0xc70
[  323.898562]  ? lock_downgrade+0x900/0x900
[  323.902717]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.907822]  ? trace_hardirqs_on+0xbd/0x310
[  323.912143]  ? kasan_check_read+0x11/0x20
[  323.916294]  ? __run_timers+0x7da/0xc70
[  323.920268]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.925721]  ? kasan_check_write+0x14/0x20
[  323.929959]  ? do_raw_spin_lock+0xc1/0x200
[  323.934198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.938435]  __run_timers+0x7e5/0xc70
[  323.942244]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  323.947614]  ? compat_start_thread+0x80/0x80
[  323.952026]  ? dequeue_entity+0x1770/0x1770
[  323.956350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.961895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.967458]  ? _raw_spin_unlock_irq+0x60/0x80
[  323.971957]  ? finish_task_switch+0x1f5/0x900
[  323.976454]  ? finish_task_switch+0x1b5/0x900
[  323.981443]  ? __switch_to_asm+0x34/0x70
[  323.985510]  ? preempt_notifier_register+0x200/0x200
[  323.990612]  ? __switch_to_asm+0x34/0x70
[  323.994677]  ? __switch_to_asm+0x40/0x70
[  323.998734]  ? __switch_to_asm+0x34/0x70
[  324.002795]  ? __switch_to_asm+0x40/0x70
[  324.006854]  ? __switch_to_asm+0x34/0x70
[  324.010915]  ? __switch_to_asm+0x40/0x70
[  324.014978]  ? __switch_to_asm+0x40/0x70
[  324.019046]  ? pvclock_read_flags+0x160/0x160
[  324.023541]  ? __schedule+0x874/0x1ed0
[  324.027430]  ? run_rebalance_domains+0x38d/0x500
[  324.032190]  ? trace_hardirqs_on+0xbd/0x310
[  324.036510]  ? kvm_sched_clock_read+0x9/0x20
[  324.040921]  ? run_ksoftirqd+0x94/0x100
[  324.044898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.050446]  ? check_preemption_disabled+0x48/0x200
[  324.055462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.061024]  run_timer_softirq+0x52/0xb0
[  324.065092]  ? __this_cpu_preempt_check+0x1c/0x1f
[  324.069937]  __do_softirq+0x30b/0xad8
[  324.073748]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  324.078849]  ? trace_hardirqs_off+0xb8/0x310
[  324.083263]  ? schedule+0x108/0x460
[  324.086887]  ? __schedule+0x1ed0/0x1ed0
[  324.090863]  ? run_ksoftirqd+0x40/0x100
[  324.094838]  ? trace_hardirqs_off+0xb8/0x310
[  324.099250]  ? ___might_sleep+0x1ed/0x300
[  324.103404]  ? smpboot_thread_fn+0x68b/0xa00
[  324.107814]  ? trace_hardirqs_on+0x310/0x310
[  324.112226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.117764]  ? check_preemption_disabled+0x48/0x200
[  324.122781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.128319]  ? takeover_tasklets+0xa90/0xa90
[  324.132728]  run_ksoftirqd+0x94/0x100
[  324.136537]  smpboot_thread_fn+0x68b/0xa00
[  324.140773]  ? sort_range+0x30/0x30
[  324.144409]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  324.149513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.155054]  ? __kthread_parkme+0xfb/0x1a0
[  324.159288]  kthread+0x35a/0x420
[  324.162661]  ? sort_range+0x30/0x30
[  324.166287]  ? kthread_bind+0x40/0x40
[  324.170092]  ret_from_fork+0x3a/0x50
[  324.173808] Mem-Info:
[  324.173821] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  324.173832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.176243] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  324.176243]  active_file:15 inactive_file:15 isolated_file:0
[  324.176243]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.176243]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  324.176243]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  324.176243]  free:13623 free_pcp:480 free_cma:0
[  324.183490] Call Trace:
[  324.192882] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.225931]  <IRQ>
[  324.228504] Node 0 
[  324.256287]  dump_stack+0x1c4/0x2b4
[  324.258438] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  324.260643]  ? dump_stack_print_info.cold.2+0x52/0x52
[  324.264247] lowmem_reserve[]:
[  324.289766]  warn_alloc.cold.119+0xb7/0x1bd
[  324.294929]  0
[  324.298030]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.302317]  2819
[  324.304118]  ? lock_downgrade+0x900/0x900
[  324.308933]  6323
[  324.310991]  ? trace_hardirqs_off+0xb8/0x310
[  324.315108]  6323
[  324.317184]  ? trace_hardirqs_off+0xb8/0x310
[  324.321569] Node 0 
[  324.323627]  __alloc_pages_slowpath+0x2667/0x2d80
[  324.328029] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  324.330248]  ? warn_alloc+0x120/0x120
[  324.335050] lowmem_reserve[]:
[  324.361955]  ? warn_alloc+0x120/0x120
[  324.365731]  0
[  324.368831]  ? warn_alloc+0x120/0x120
[  324.372605]  0
[  324.374411]  ? mark_held_locks+0x130/0x130
[  324.378181]  3503
[  324.379989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.384204]  3503
[  324.386264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.393850]  ? should_fail+0x22d/0xd01
[  324.399356] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  324.403275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.403294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.432431] lowmem_reserve[]: 0
[  324.437558]  ? should_fail+0x22d/0xd01
[  324.443056]  0
[  324.446331]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.450187]  0
[  324.451982]  ? should_fail+0x22d/0xd01
[  324.457057]  0
[  324.458855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.464508]  ? mark_held_locks+0x130/0x130
[  324.469582] Node 0 DMA: 
[  324.473811]  ? mark_held_locks+0x130/0x130
[  324.473830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.476474] 1*4kB 
[  324.480709]  ? trace_hardirqs_off+0xb8/0x310
[  324.486215] (U) 
[  324.488363]  ? kasan_check_read+0x11/0x20
[  324.492743] 0*8kB 
[  324.494715]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.498835] 0*16kB 
[  324.500980]  ? trace_hardirqs_on+0x310/0x310
[  324.505359] 1*32kB 
[  324.507602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.511978] (U) 
[  324.514207]  ? wq_watchdog_touch+0x9c/0xfe
[  324.519721] 2*64kB 
[  324.521690]  ? io_serial_in+0x11/0x90
[  324.525894] (U) 
[  324.528125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.531898] 1*128kB 
[  324.533876]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  324.539388] (U) 
[  324.541725]  __alloc_pages_nodemask+0xa80/0xde0
[  324.546800] 1*256kB 
[  324.548771]  ? should_fail+0x22d/0xd01
[  324.553413] (U) 
[  324.555742]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  324.559615] 0*512kB 
[  324.561600]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.566578] 1*1024kB 
[  324.568896]  ? lock_downgrade+0x900/0x900
[  324.573536] (U) 
[  324.575964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.580099] 1*2048kB 
[  324.582068]  cache_grow_begin+0x91/0x8c0
[  324.587579] (M) 
[  324.589990]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.594046] 3*4096kB 
[  324.596017]  fallback_alloc+0x203/0x2e0
[  324.600404] (M) 
[  324.602813]  ____cache_alloc_node+0x1c7/0x1e0
[  324.606763] = 15908kB
[  324.608737]  kmem_cache_alloc_node+0xe3/0x730
[  324.613206] Node 0 
[  324.615610]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.620075] DMA32: 
[  324.622305]  __alloc_skb+0x119/0x770
[  324.626513] 3*4kB 
[  324.628760]  ? skb_scrub_packet+0x490/0x490
[  324.632454] (UM) 
[  324.634599]  ? lock_downgrade+0x900/0x900
[  324.638896] 2*8kB 
[  324.640955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.645074] (UM) 
[  324.647237]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.652744] 2*16kB 
[  324.654798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.660221] (M) 
[  324.662470]  ? addrconf_rs_timer+0x690/0x690
[  324.667896] 2*32kB 
[  324.669870]  ndisc_alloc_skb+0x144/0x340
[  324.674250] (M) 
[  324.676478]  ndisc_send_rs+0x331/0x6e0
[  324.680512] 4*64kB 
[  324.682480]  addrconf_rs_timer+0x314/0x690
[  324.686341] (M) 
[  324.688573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.692785] 3*128kB 
[  324.694759]  call_timer_fn+0x272/0x920
[  324.698959] (M) 
[  324.701273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.705136] 4*256kB 
[  324.707110]  ? process_timeout+0x40/0x40
[  324.711316] (UM) 
[  324.713633]  ? trace_hardirqs_off+0xb8/0x310
[  324.717683] 3*512kB 
[  324.719767]  ? kasan_check_read+0x11/0x20
[  324.724159] (M) 
[  324.726504]  ? do_raw_spin_unlock+0xa7/0x2f0
[  324.730627] 3*1024kB 
[  324.732599]  ? trace_hardirqs_on+0x310/0x310
[  324.736978] (UM) 
[  324.739394]  ? __run_timers+0x7da/0xc70
[  324.743775] 3*2048kB 
[  324.745831]  ? lock_downgrade+0x900/0x900
[  324.749777] (M) 
[  324.752184]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  324.756301] 3*4096kB 
[  324.758270]  ? trace_hardirqs_on+0xbd/0x310
[  324.763347] (M) 
[  324.765753]  ? kasan_check_read+0x11/0x20
[  324.770056] = 24828kB
[  324.772019]  ? __run_timers+0x7da/0xc70
[  324.776149] Node 0 
[  324.778572]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.782520] Normal: 
[  324.784750]  ? kasan_check_write+0x14/0x20
[  324.790185] 1555*4kB 
[  324.792504]  ? do_raw_spin_lock+0xc1/0x200
[  324.796707] (UMEH) 
[  324.799110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.803321] 298*8kB 
[  324.805550]  __run_timers+0x7e5/0xc70
[  324.809753] (ME) 
[  324.812090]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  324.815858] 96*16kB 
[  324.817916]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  324.823262] (ME) 
[  324.825583]  ? timerqueue_add+0x207/0x2b0
[  324.830571] 43*32kB 
[  324.832627]  ? enqueue_hrtimer+0x1a5/0x560
[  324.836769] (UME) 
[  324.839087]  ? lock_release+0x970/0x970
[  324.843297] 31*64kB 
[  324.845440]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  324.849409] (UM) 
[  324.851745]  ? kasan_check_write+0x14/0x20
[  324.856903] 0*128kB 
[  324.858960]  ? pvclock_read_flags+0x160/0x160
[  324.863168] 1*256kB 
[  324.865497]  ? lock_downgrade+0x900/0x900
[  324.870036] (U) 
[  324.872388]  ? trace_hardirqs_on+0xbd/0x310
[  324.876524] 0*512kB 
[  324.878492]  ? kvm_sched_clock_read+0x9/0x20
[  324.882787] 0*1024kB 
[  324.885108]  ? irq_exit+0x17f/0x1c0
[  324.889488] 0*2048kB 
[  324.891893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.895488] 0*4096kB 
[  324.897897]  ? check_preemption_disabled+0x48/0x200
[  324.903407] = 13756kB
[  324.905809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.910808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  324.913209]  run_timer_softirq+0x52/0xb0
[  324.918729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  324.927556]  ? __this_cpu_preempt_check+0x1c/0x1f
[  324.931586] 3632 total pagecache pages
[  324.940173]  __do_softirq+0x30b/0xad8
[  324.944989] 0 pages in swap cache
[  324.948873]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  324.952650] Swap cache stats: add 0, delete 0, find 0/0
[  324.956090]  ? pvclock_read_flags+0x160/0x160
[  324.961165] Free swap  = 0kB
[  324.966523]  ? lapic_next_event+0x5a/0x90
[  324.970991] Total swap = 0kB
[  324.974007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.978124] 1965979 pages RAM
[  324.981140]  ? clockevents_program_event+0x140/0x370
[  324.986654] 0 pages HighMem/MovableOnly
[  324.989755]  ? kvm_clock_read+0x18/0x30
[  324.994829] 342307 pages reserved
[  324.998798]  ? kvm_sched_clock_read+0x9/0x20
[  325.002744] 0 pages cma reserved
[  325.006189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.010633] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.013927]  ? check_preemption_disabled+0x48/0x200
[  325.019505] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.025920]  irq_exit+0x17f/0x1c0
[  325.030904] ksoftirqd/0 cpuset=
[  325.041208]  smp_apic_timer_interrupt+0x1cb/0x760
[  325.044636] /
[  325.047907]  ? smp_reschedule_interrupt+0x109/0x650
[  325.052726]  mems_allowed=0
[  325.054433]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.068254]  ? interrupt_entry+0xb5/0xf0
[  325.072313]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.077328]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.082348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.087194]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.092222]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.097241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.102779]  ? check_preemption_disabled+0x48/0x200
[  325.107791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.113332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.118189]  apic_timer_interrupt+0xf/0x20
[  325.122418]  </IRQ>
[  325.124660] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  325.129593] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  325.148493] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  325.156201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  325.163467] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  325.170729] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  325.177993] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  325.185258] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  325.192547]  ? trace_hardirqs_on+0xb4/0x310
[  325.196877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.202420]  skb_clone+0x1bb/0x500
[  325.205961]  ? finish_task_switch+0x2f5/0x900
[  325.210454]  ? skb_split+0x11e0/0x11e0
[  325.214342]  ? preempt_notifier_register+0x200/0x200
[  325.219449]  ? __switch_to_asm+0x34/0x70
[  325.223512]  ? __switch_to_asm+0x34/0x70
[  325.227572]  ? __switch_to_asm+0x40/0x70
[  325.231632]  ? __switch_to_asm+0x34/0x70
[  325.235693]  ? __switch_to_asm+0x40/0x70
[  325.239753]  ? __switch_to_asm+0x34/0x70
[  325.243812]  ? __switch_to_asm+0x40/0x70
[  325.247868]  ? __switch_to_asm+0x34/0x70
[  325.251930]  ? __switch_to_asm+0x34/0x70
[  325.255991]  ? __switch_to_asm+0x40/0x70
[  325.260049]  ? __switch_to_asm+0x34/0x70
[  325.264128]  bpf_clone_redirect+0xb9/0x490
[  325.268419]  ? __schedule+0x874/0x1ed0
[  325.272309]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  325.277356]  ? __sched_text_start+0x8/0x8
[  325.281516]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  325.286275]  ? retint_kernel+0x2d/0x2d
[  325.290177]  ? lock_acquire+0x1ed/0x520
[  325.294157]  ? bpf_test_run+0x3cb/0x780
[  325.298132]  ? lock_release+0x970/0x970
[  325.302137]  ? preempt_schedule+0x4d/0x60
[  325.306285]  ? preempt_schedule_common+0x1f/0xd0
[  325.311038]  ? preempt_schedule+0x4d/0x60
[  325.315183]  ? ___preempt_schedule+0x16/0x18
[  325.319592]  ? bpf_test_run+0x25d/0x780
[  325.323574]  ? netlink_diag_dump+0x2a0/0x2a0
[  325.327988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.333522]  ? bpf_test_init.isra.9+0x70/0x100
[  325.338109]  ? bpf_prog_test_run_skb+0x634/0xb40
[  325.342869]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  325.347712]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  325.353247]  ? fput+0x130/0x1a0
[  325.356530]  ? __bpf_prog_get+0x9b/0x290
[  325.360589]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  325.365430]  ? bpf_prog_test_run+0x130/0x1a0
[  325.369850]  ? __x64_sys_bpf+0x3d8/0x510
[  325.373910]  ? bpf_prog_get+0x20/0x20
[  325.377720]  ? do_syscall_64+0x1b9/0x820
[  325.381783]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  325.387152]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.392114]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.397155]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  325.402202]  ? recalc_sigpending_tsk+0x180/0x180
[  325.406976]  ? kasan_check_write+0x14/0x20
[  325.411215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.416080]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  325.421520] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  325.421585] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.428372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.428401] Call Trace:
[  325.428422]  dump_stack+0x1c4/0x2b4
[  325.428439]  ? dump_stack_print_info.cold.2+0x52/0x52
[  325.434981] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.444490]  warn_alloc.cold.119+0xb7/0x1bd
[  325.447050] syz-executor4 cpuset=
[  325.450670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.455831] syz4
[  325.466309]  ? lock_downgrade+0x900/0x900
[  325.470605]  mems_allowed=0
[  325.474052]  ? trace_hardirqs_off+0xb8/0x310
[  325.492269]  ? trace_hardirqs_off+0xb8/0x310
[  325.496689]  __alloc_pages_slowpath+0x2667/0x2d80
[  325.501550]  ? mark_held_locks+0x130/0x130
[  325.505790]  ? warn_alloc+0x120/0x120
[  325.509591]  ? warn_alloc+0x120/0x120
[  325.513399]  ? warn_alloc+0x120/0x120
[  325.517201]  ? mark_held_locks+0x130/0x130
[  325.521443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.526978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.532516]  ? should_fail+0x22d/0xd01
[  325.536412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.541518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.547054]  ? should_fail+0x22d/0xd01
[  325.550943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.556044]  ? should_fail+0x22d/0xd01
[  325.559939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.565049]  ? mark_held_locks+0x130/0x130
[  325.569548]  ? mark_held_locks+0x130/0x130
[  325.573786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.579325]  ? trace_hardirqs_off+0xb8/0x310
[  325.583737]  ? kasan_check_read+0x11/0x20
[  325.587891]  ? do_raw_spin_unlock+0xa7/0x2f0
[  325.592302]  ? trace_hardirqs_on+0x310/0x310
[  325.596716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.602252]  ? wq_watchdog_touch+0x9c/0xfe
[  325.606498]  ? io_serial_in+0x11/0x90
[  325.610315]  ? retint_kernel+0x2d/0x2d
[  325.614202]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.619127]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  325.623901]  ? trace_hardirqs_off+0x310/0x310
[  325.628415]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.633552]  __alloc_pages_nodemask+0xa80/0xde0
[  325.638219]  ? should_fail+0x22d/0xd01
[  325.642110]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  325.647138]  ? ____cache_alloc_node+0x1c7/0x1e0
[  325.651809]  ? lock_downgrade+0x900/0x900
[  325.655962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.661501]  cache_grow_begin+0x91/0x8c0
[  325.665561]  ? do_raw_spin_unlock+0xa7/0x2f0
[  325.669977]  fallback_alloc+0x203/0x2e0
[  325.673955]  ____cache_alloc_node+0x1c7/0x1e0
[  325.678455]  kmem_cache_alloc_node+0xe3/0x730
[  325.682950]  ? ipv6_get_ifaddr+0x42e/0x620
[  325.687197]  __alloc_skb+0x119/0x770
[  325.690917]  ? skb_scrub_packet+0x490/0x490
[  325.695241]  ? lock_downgrade+0x900/0x900
[  325.699407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.704947]  ? refcount_sub_and_test_checked+0x203/0x310
[  325.710408]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  325.715860]  ? addrconf_rs_timer+0x690/0x690
[  325.720275]  ndisc_alloc_skb+0x144/0x340
[  325.724337]  ndisc_send_rs+0x331/0x6e0
[  325.728228]  addrconf_rs_timer+0x314/0x690
[  325.732489]  ? lock_release+0x970/0x970
[  325.736466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.740708]  call_timer_fn+0x272/0x920
[  325.744595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.748835]  ? process_timeout+0x40/0x40
[  325.752920]  ? kasan_check_read+0x11/0x20
[  325.757117]  ? do_raw_spin_unlock+0xa7/0x2f0
[  325.761526]  ? trace_hardirqs_on+0x310/0x310
[  325.765937]  ? __run_timers+0x7da/0xc70
[  325.769914]  ? lock_downgrade+0x900/0x900
[  325.774068]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.779174]  ? trace_hardirqs_on+0xbd/0x310
[  325.783498]  ? kasan_check_read+0x11/0x20
[  325.787651]  ? __run_timers+0x7da/0xc70
[  325.791626]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.797090]  ? kasan_check_write+0x14/0x20
[  325.801325]  ? do_raw_spin_lock+0xc1/0x200
[  325.805591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.809839]  __run_timers+0x7e5/0xc70
[  325.813653]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  325.819046]  ? compat_start_thread+0x80/0x80
[  325.823465]  ? dequeue_entity+0x1770/0x1770
[  325.827792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.833337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.838879]  ? _raw_spin_unlock_irq+0x60/0x80
[  325.843376]  ? finish_task_switch+0x1f5/0x900
[  325.847878]  ? finish_task_switch+0x1b5/0x900
[  325.852402]  ? __switch_to_asm+0x34/0x70
[  325.856466]  ? preempt_notifier_register+0x200/0x200
[  325.861568]  ? __switch_to_asm+0x34/0x70
[  325.865626]  ? __switch_to_asm+0x40/0x70
[  325.869693]  ? __switch_to_asm+0x34/0x70
[  325.873754]  ? __switch_to_asm+0x40/0x70
[  325.877812]  ? __switch_to_asm+0x34/0x70
[  325.881870]  ? __switch_to_asm+0x40/0x70
[  325.885932]  ? __switch_to_asm+0x40/0x70
[  325.890008]  ? pvclock_read_flags+0x160/0x160
[  325.894504]  ? __schedule+0x874/0x1ed0
[  325.898399]  ? run_rebalance_domains+0x38d/0x500
[  325.903160]  ? trace_hardirqs_on+0xbd/0x310
[  325.907482]  ? kvm_sched_clock_read+0x9/0x20
[  325.911893]  ? run_ksoftirqd+0x94/0x100
[  325.915867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.921411]  ? check_preemption_disabled+0x48/0x200
[  325.926432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.931971]  run_timer_softirq+0x52/0xb0
[  325.936031]  ? __this_cpu_preempt_check+0x1c/0x1f
[  325.940875]  __do_softirq+0x30b/0xad8
[  325.944678]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  325.949783]  ? trace_hardirqs_off+0xb8/0x310
[  325.954191]  ? schedule+0x108/0x460
[  325.957816]  ? __schedule+0x1ed0/0x1ed0
[  325.961803]  ? run_ksoftirqd+0x40/0x100
[  325.965776]  ? trace_hardirqs_off+0xb8/0x310
[  325.970198]  ? ___might_sleep+0x1ed/0x300
[  325.974353]  ? smpboot_thread_fn+0x68b/0xa00
[  325.978765]  ? trace_hardirqs_on+0x310/0x310
[  325.983187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.988727]  ? check_preemption_disabled+0x48/0x200
[  325.993760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.999301]  ? takeover_tasklets+0xa90/0xa90
[  326.003710]  run_ksoftirqd+0x94/0x100
[  326.007530]  smpboot_thread_fn+0x68b/0xa00
[  326.011764]  ? sort_range+0x30/0x30
[  326.015403]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.020505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.026045]  ? __kthread_parkme+0xfb/0x1a0
[  326.030298]  kthread+0x35a/0x420
[  326.033666]  ? sort_range+0x30/0x30
[  326.037290]  ? kthread_bind+0x40/0x40
[  326.041095]  ret_from_fork+0x3a/0x50
[  326.044816] warn_alloc_show_mem: 1 callbacks suppressed
[  326.044829] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  326.044831] Mem-Info:
[  326.044862] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  326.044862]  active_file:15 inactive_file:15 isolated_file:0
[  326.044862]  unevictable:0 dirty:0 writeback:0 unstable:0
[  326.044862]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  326.044862]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  326.044862]  free:13623 free_pcp:480 free_cma:0
[  326.050205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.057491] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  326.059885] Call Trace:
[  326.092942] Node 0 
[  326.103242]  <IRQ>
[  326.131012] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  326.133579]  dump_stack+0x1c4/0x2b4
[  326.135780] lowmem_reserve[]:
[  326.137924]  ? dump_stack_print_info.cold.2+0x52/0x52
[  326.163409]  0
[  326.167045]  warn_alloc.cold.119+0xb7/0x1bd
[  326.170126]  2819
[  326.175310]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  326.177095]  6323
[  326.181411]  ? lock_downgrade+0x900/0x900
[  326.183445]  6323
[  326.188283]  ? trace_hardirqs_off+0xb8/0x310
[  326.194463]  ? trace_hardirqs_off+0xb8/0x310
[  326.196500] Node 0 
[  326.200903]  __alloc_pages_slowpath+0x2667/0x2d80
[  326.205336] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  326.207562]  ? warn_alloc+0x120/0x120
[  326.212364] lowmem_reserve[]:
[  326.239297]  ? warn_alloc+0x120/0x120
[  326.243070]  0
[  326.246174]  ? warn_alloc+0x120/0x120
[  326.249948]  0
[  326.251749]  ? mark_held_locks+0x130/0x130
[  326.255519]  3503
[  326.257328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.261548]  3503
[  326.263606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.271219]  ? should_fail+0x22d/0xd01
[  326.276741] Node 0 
[  326.280620]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.280656] Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  326.280663] lowmem_reserve[]:
[  326.282894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.287969]  0
[  326.316515]  ? should_fail+0x22d/0xd01
[  326.319592]  0
[  326.325135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.326926]  0
[  326.330807]  ? should_fail+0x22d/0xd01
[  326.332586]  0
[  326.337684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.343339]  ? mark_held_locks+0x130/0x130
[  326.345117] Node 0 
[  326.350212]  ? mark_held_locks+0x130/0x130
[  326.354439] DMA: 
[  326.356673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.360923] 1*4kB 
[  326.363091]  ? trace_hardirqs_off+0xb8/0x310
[  326.368595] (U) 
[  326.370745]  ? kasan_check_read+0x11/0x20
[  326.375124] 0*8kB 
[  326.377101]  ? do_raw_spin_unlock+0xa7/0x2f0
[  326.381218] 0*16kB 
[  326.383364]  ? trace_hardirqs_on+0x310/0x310
[  326.387749] 1*32kB 
[  326.389983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.394361] (U) 
[  326.396603]  ? wq_watchdog_touch+0x9c/0xfe
[  326.402112] 2*64kB 
[  326.404098]  ? io_serial_in+0x11/0x90
[  326.408301] (U) 
[  326.410534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.414304] 1*128kB 
[  326.416283]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.421785] (U) 
[  326.424105]  __alloc_pages_nodemask+0xa80/0xde0
[  326.429174] 1*256kB 
[  326.431164]  ? should_fail+0x22d/0xd01
[  326.435811] (U) 
[  326.438163]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  326.442017] 0*512kB 
[  326.444013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  326.448996] 1*1024kB 
[  326.451312]  ? lock_downgrade+0x900/0x900
[  326.455949] (U) 
[  326.458375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.462521] 1*2048kB 
[  326.464492]  cache_grow_begin+0x91/0x8c0
[  326.469998] (M) 
[  326.472420]  ? do_raw_spin_unlock+0xa7/0x2f0
[  326.476484] 3*4096kB 
[  326.478468]  fallback_alloc+0x203/0x2e0
[  326.482851] (M) 
[  326.485276]  ____cache_alloc_node+0x1c7/0x1e0
[  326.489224] = 15908kB
[  326.489231] Node 0 
[  326.491199]  kmem_cache_alloc_node+0xe3/0x730
[  326.495666] DMA32: 
[  326.498073]  ? ipv6_get_ifaddr+0x42e/0x620
[  326.500298] 3*4kB 
[  326.504787]  __alloc_skb+0x119/0x770
[  326.506996] (UM) 
[  326.511255]  ? skb_scrub_packet+0x490/0x490
[  326.513389] 2*8kB 
[  326.517098]  ? lock_downgrade+0x900/0x900
[  326.519131] (UM) 
[  326.523454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.525574] 2*16kB 
[  326.529715]  ? refcount_sub_and_test_checked+0x203/0x310
[  326.531749] (M) 
[  326.537274]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  326.539489] 2*32kB 
[  326.544933]  ? addrconf_rs_timer+0x690/0x690
[  326.546884] (M) 
[  326.552329]  ndisc_alloc_skb+0x144/0x340
[  326.554539] 4*64kB 
[  326.558938]  ndisc_send_rs+0x331/0x6e0
[  326.560886] (M) 
[  326.564943]  addrconf_rs_timer+0x314/0x690
[  326.567169] 3*128kB 
[  326.571056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.573005] (M) 
[  326.577239]  call_timer_fn+0x272/0x920
[  326.579530] 4*256kB 
[  326.583758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.585707] (UM) 
[  326.589590]  ? process_timeout+0x40/0x40
[  326.591886] 3*512kB 
[  326.596115]  ? trace_hardirqs_off+0xb8/0x310
[  326.598144] (M) 3*1024kB 
[  326.602214]  ? kasan_check_read+0x11/0x20
[  326.604505] (UM) 
[  326.608909]  ? do_raw_spin_unlock+0xa7/0x2f0
[  326.611646] 3*2048kB 
[  326.615787]  ? trace_hardirqs_on+0x310/0x310
[  326.617825] (M) 
[  326.622230]  ? __run_timers+0x7da/0xc70
[  326.624633] 3*4096kB 
[  326.629039]  ? lock_downgrade+0x900/0x900
[  326.630988] (M) 
[  326.634957]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.637338] = 24828kB
[  326.641477]  ? trace_hardirqs_on+0xbd/0x310
[  326.643445] Node 0 
[  326.648541]  ? kasan_check_read+0x11/0x20
[  326.650919] Normal: 
[  326.655235]  ? __run_timers+0x7da/0xc70
[  326.657447] 1555*4kB 
[  326.661586]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  326.663883] (UMEH) 
[  326.667852]  ? kasan_check_write+0x14/0x20
[  326.670231] 298*8kB 
[  326.675675]  ? do_raw_spin_lock+0xc1/0x200
[  326.677882] (ME) 
[  326.682108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.684410] 96*16kB 
[  326.688639]  __run_timers+0x7e5/0xc70
[  326.690677] (ME) 
[  326.694908]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  326.697204] 43*32kB 
[  326.701029]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  326.703062] (UME) 
[  326.708434]  ? timerqueue_add+0x207/0x2b0
[  326.710732] 31*64kB 
[  326.715734]  ? enqueue_hrtimer+0x1a5/0x560
[  326.717857] (UM) 
[  326.721997]  ? lock_release+0x970/0x970
[  326.724296] 0*128kB 
[  326.728520]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  326.730558] 1*256kB 
[  326.734526]  ? kasan_check_write+0x14/0x20
[  326.736818] (U) 
[  326.742013]  ? pvclock_read_flags+0x160/0x160
[  326.744310] 0*512kB 
[  326.748536]  ? lock_downgrade+0x900/0x900
[  326.750484] 0*1024kB 
[  326.754975]  ? trace_hardirqs_on+0xbd/0x310
[  326.757270] 0*2048kB 
[  326.761415]  ? kvm_sched_clock_read+0x9/0x20
[  326.763801] 0*4096kB 
[  326.768115]  ? irq_exit+0x17f/0x1c0
[  326.770499] = 13756kB
[  326.774898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.777316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  326.780935]  ? check_preemption_disabled+0x48/0x200
[  326.783318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  326.788839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.797690] 3632 total pagecache pages
[  326.802702]  run_timer_softirq+0x52/0xb0
[  326.811250] 0 pages in swap cache
[  326.816783]  ? __this_cpu_preempt_check+0x1c/0x1f
[  326.820647] Swap cache stats: add 0, delete 0, find 0/0
[  326.824730]  __do_softirq+0x30b/0xad8
[  326.828155] Free swap  = 0kB
[  326.832997]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  326.838332] Total swap = 0kB
[  326.842125]  ? pvclock_read_flags+0x160/0x160
[  326.845114] 1965979 pages RAM
[  326.850228]  ? lapic_next_event+0x5a/0x90
[  326.853222] 0 pages HighMem/MovableOnly
[  326.857709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.860801] 342307 pages reserved
[  326.864946]  ? clockevents_program_event+0x140/0x370
[  326.868893] 0 pages cma reserved
[  326.874427]  ? kvm_clock_read+0x18/0x30
[  326.877922] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  326.882954]  ? kvm_sched_clock_read+0x9/0x20
[  326.886363] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  326.890272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.896734] ksoftirqd/0 cpuset=
[  326.901162]  ? check_preemption_disabled+0x48/0x200
[  326.911441] /
[  326.916989]  irq_exit+0x17f/0x1c0
[  326.920270]  mems_allowed=0
[  326.925273]  smp_apic_timer_interrupt+0x1cb/0x760
[  326.938173]  ? smp_reschedule_interrupt+0x109/0x650
[  326.943188]  ? smp_call_function_single_interrupt+0x650/0x650
[  326.949086]  ? interrupt_entry+0xb5/0xf0
[  326.953154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.958183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.963198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.968037]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.973050]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.978067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.983605]  ? check_preemption_disabled+0x48/0x200
[  326.988619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.994179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.999027]  apic_timer_interrupt+0xf/0x20
[  327.003265]  </IRQ>
[  327.005550] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  327.010478] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  327.029378] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  327.037091] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  327.044368] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  327.051661] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  327.058925] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  327.066190] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  327.073475]  ? trace_hardirqs_on+0xb4/0x310
[  327.077801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.083350]  skb_clone+0x1bb/0x500
[  327.086918]  ? finish_task_switch+0x2f5/0x900
[  327.091415]  ? skb_split+0x11e0/0x11e0
[  327.095304]  ? preempt_notifier_register+0x200/0x200
[  327.100418]  ? __switch_to_asm+0x34/0x70
[  327.104476]  ? __switch_to_asm+0x34/0x70
[  327.108537]  ? __switch_to_asm+0x40/0x70
[  327.112594]  ? __switch_to_asm+0x34/0x70
[  327.116650]  ? __switch_to_asm+0x40/0x70
[  327.120707]  ? __switch_to_asm+0x34/0x70
[  327.124764]  ? __switch_to_asm+0x40/0x70
[  327.128821]  ? __switch_to_asm+0x34/0x70
[  327.132880]  ? __switch_to_asm+0x34/0x70
[  327.136936]  ? __switch_to_asm+0x40/0x70
[  327.140995]  ? __switch_to_asm+0x34/0x70
[  327.145063]  bpf_clone_redirect+0xb9/0x490
[  327.149295]  ? __schedule+0x874/0x1ed0
[  327.153200]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  327.158233]  ? __sched_text_start+0x8/0x8
[  327.162406]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.167182]  ? retint_kernel+0x2d/0x2d
[  327.171096]  ? lock_acquire+0x1ed/0x520
[  327.175066]  ? bpf_test_run+0x3cb/0x780
[  327.179077]  ? lock_release+0x970/0x970
[  327.183064]  ? preempt_schedule+0x4d/0x60
[  327.187242]  ? preempt_schedule_common+0x1f/0xd0
[  327.191998]  ? preempt_schedule+0x4d/0x60
[  327.196152]  ? ___preempt_schedule+0x16/0x18
[  327.200589]  ? bpf_test_run+0x25d/0x780
[  327.204567]  ? netlink_diag_dump+0x2a0/0x2a0
[  327.208981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.214516]  ? bpf_test_init.isra.9+0x70/0x100
[  327.219099]  ? bpf_prog_test_run_skb+0x634/0xb40
[  327.223860]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  327.228705]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  327.234257]  ? fput+0x130/0x1a0
[  327.237565]  ? __bpf_prog_get+0x9b/0x290
[  327.241621]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  327.246454]  ? bpf_prog_test_run+0x130/0x1a0
[  327.250861]  ? __x64_sys_bpf+0x3d8/0x510
[  327.254951]  ? bpf_prog_get+0x20/0x20
[  327.258813]  ? do_syscall_64+0x1b9/0x820
[  327.262878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  327.268244]  ? syscall_return_slowpath+0x5e0/0x5e0
[  327.273180]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.278196]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  327.283209]  ? recalc_sigpending_tsk+0x180/0x180
[  327.287965]  ? kasan_check_write+0x14/0x20
[  327.292197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.297061]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  327.302436] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  327.302502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.309274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  327.309278] Call Trace:
[  327.309298]  dump_stack+0x1c4/0x2b4
[  327.309314]  ? dump_stack_print_info.cold.2+0x52/0x52
[  327.315859] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.325141]  warn_alloc.cold.119+0xb7/0x1bd
[  327.327701] syz-executor4 cpuset=
[  327.331334]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  327.336510] syz4
[  327.346989]  ? lock_downgrade+0x900/0x900
[  327.351287]  mems_allowed=0
[  327.354729]  ? trace_hardirqs_off+0xb8/0x310
[  327.372953]  ? trace_hardirqs_off+0xb8/0x310
[  327.377368]  __alloc_pages_slowpath+0x2667/0x2d80
[  327.382229]  ? mark_held_locks+0x130/0x130
[  327.386470]  ? warn_alloc+0x120/0x120
[  327.390271]  ? warn_alloc+0x120/0x120
[  327.394070]  ? warn_alloc+0x120/0x120
[  327.397871]  ? mark_held_locks+0x130/0x130
[  327.402125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.407661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.413193]  ? should_fail+0x22d/0xd01
[  327.417127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.422240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.427775]  ? should_fail+0x22d/0xd01
[  327.431664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.437007]  ? should_fail+0x22d/0xd01
[  327.440896]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.446010]  ? mark_held_locks+0x130/0x130
[  327.450241]  ? mark_held_locks+0x130/0x130
[  327.454476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.460035]  ? trace_hardirqs_off+0xb8/0x310
[  327.464460]  ? kasan_check_read+0x11/0x20
[  327.468627]  ? do_raw_spin_unlock+0xa7/0x2f0
[  327.473041]  ? trace_hardirqs_on+0x310/0x310
[  327.477473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.483007]  ? wq_watchdog_touch+0x9c/0xfe
[  327.487271]  ? io_serial_in+0x11/0x90
[  327.491080]  ? retint_kernel+0x2d/0x2d
[  327.494964]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.499910]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.504666]  ? trace_hardirqs_off+0x310/0x310
[  327.509162]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.514273]  __alloc_pages_nodemask+0xa80/0xde0
[  327.518943]  ? should_fail+0x22d/0xd01
[  327.522834]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  327.527861]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.532532]  ? lock_downgrade+0x900/0x900
[  327.536684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.542235]  cache_grow_begin+0x91/0x8c0
[  327.546300]  ? do_raw_spin_unlock+0xa7/0x2f0
[  327.550713]  fallback_alloc+0x203/0x2e0
[  327.554690]  ____cache_alloc_node+0x1c7/0x1e0
[  327.559189]  kmem_cache_alloc_node+0xe3/0x730
[  327.563688]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.568126]  __alloc_skb+0x119/0x770
[  327.571854]  ? skb_scrub_packet+0x490/0x490
[  327.576174]  ? lock_downgrade+0x900/0x900
[  327.580355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.585898]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.591361]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.596815]  ? addrconf_rs_timer+0x690/0x690
[  327.601229]  ndisc_alloc_skb+0x144/0x340
[  327.605293]  ndisc_send_rs+0x331/0x6e0
[  327.609185]  addrconf_rs_timer+0x314/0x690
[  327.613421]  ? lock_release+0x970/0x970
[  327.617400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.621650]  call_timer_fn+0x272/0x920
[  327.625534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.629768]  ? process_timeout+0x40/0x40
[  327.633829]  ? kasan_check_read+0x11/0x20
[  327.637975]  ? do_raw_spin_unlock+0xa7/0x2f0
[  327.642420]  ? trace_hardirqs_on+0x310/0x310
[  327.646845]  ? __run_timers+0x7da/0xc70
[  327.650821]  ? lock_downgrade+0x900/0x900
[  327.654974]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.660075]  ? trace_hardirqs_on+0xbd/0x310
[  327.664402]  ? kasan_check_read+0x11/0x20
[  327.668549]  ? __run_timers+0x7da/0xc70
[  327.672537]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.678002]  ? kasan_check_write+0x14/0x20
[  327.682248]  ? do_raw_spin_lock+0xc1/0x200
[  327.686505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.690768]  __run_timers+0x7e5/0xc70
[  327.694575]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  327.699935]  ? compat_start_thread+0x80/0x80
[  327.704357]  ? dequeue_entity+0x1770/0x1770
[  327.708703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.714238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.719778]  ? _raw_spin_unlock_irq+0x60/0x80
[  327.724276]  ? finish_task_switch+0x1f5/0x900
[  327.728772]  ? finish_task_switch+0x1b5/0x900
[  327.733268]  ? __switch_to_asm+0x34/0x70
[  327.737327]  ? preempt_notifier_register+0x200/0x200
[  327.742430]  ? __switch_to_asm+0x34/0x70
[  327.746490]  ? __switch_to_asm+0x40/0x70
[  327.750548]  ? __switch_to_asm+0x34/0x70
[  327.754605]  ? __switch_to_asm+0x40/0x70
[  327.758667]  ? __switch_to_asm+0x34/0x70
[  327.762727]  ? __switch_to_asm+0x40/0x70
[  327.766786]  ? __switch_to_asm+0x40/0x70
[  327.770850]  ? pvclock_read_flags+0x160/0x160
[  327.775342]  ? __schedule+0x874/0x1ed0
[  327.779227]  ? run_rebalance_domains+0x38d/0x500
[  327.784015]  ? trace_hardirqs_on+0xbd/0x310
[  327.788333]  ? kvm_sched_clock_read+0x9/0x20
[  327.792740]  ? run_ksoftirqd+0x94/0x100
[  327.796714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.802254]  ? check_preemption_disabled+0x48/0x200
[  327.807269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.812812]  run_timer_softirq+0x52/0xb0
[  327.816897]  ? __this_cpu_preempt_check+0x1c/0x1f
[  327.821735]  __do_softirq+0x30b/0xad8
[  327.825540]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  327.830639]  ? trace_hardirqs_off+0xb8/0x310
[  327.835056]  ? schedule+0x108/0x460
[  327.838681]  ? __schedule+0x1ed0/0x1ed0
[  327.842658]  ? run_ksoftirqd+0x40/0x100
[  327.846633]  ? trace_hardirqs_off+0xb8/0x310
[  327.851049]  ? ___might_sleep+0x1ed/0x300
[  327.855191]  ? smpboot_thread_fn+0x68b/0xa00
[  327.859596]  ? trace_hardirqs_on+0x310/0x310
[  327.864003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.869540]  ? check_preemption_disabled+0x48/0x200
[  327.874570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.880110]  ? takeover_tasklets+0xa90/0xa90
[  327.884518]  run_ksoftirqd+0x94/0x100
[  327.888316]  smpboot_thread_fn+0x68b/0xa00
[  327.892554]  ? sort_range+0x30/0x30
[  327.896180]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.901279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.906815]  ? __kthread_parkme+0xfb/0x1a0
[  327.911049]  kthread+0x35a/0x420
[  327.914413]  ? sort_range+0x30/0x30
[  327.918037]  ? kthread_bind+0x40/0x40
[  327.921838]  ret_from_fork+0x3a/0x50
[  327.925559] warn_alloc_show_mem: 1 callbacks suppressed
[  327.925572] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  327.925574] Mem-Info:
[  327.925606] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  327.925606]  active_file:15 inactive_file:15 isolated_file:0
[  327.925606]  unevictable:0 dirty:0 writeback:0 unstable:0
[  327.925606]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  327.925606]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  327.925606]  free:13623 free_pcp:480 free_cma:0
[  327.930946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  327.938219] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  327.940615] Call Trace:
[  327.973649] Node 0 
[  327.982992]  <IRQ>
[  328.010759] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  328.013314]  dump_stack+0x1c4/0x2b4
[  328.015522] lowmem_reserve[]:
[  328.017665]  ? dump_stack_print_info.cold.2+0x52/0x52
[  328.043139]  0
[  328.046769]  warn_alloc.cold.119+0xb7/0x1bd
[  328.049841]  2819
[  328.055021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.056796]  6323
[  328.061111]  ? lock_downgrade+0x900/0x900
[  328.063150]  6323
[  328.067989]  ? trace_hardirqs_off+0xb8/0x310
[  328.074189]  ? trace_hardirqs_off+0xb8/0x310
[  328.076225] Node 0 
[  328.080625]  __alloc_pages_slowpath+0x2667/0x2d80
[  328.085043] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  328.087258]  ? warn_alloc+0x120/0x120
[  328.092089] lowmem_reserve[]:
[  328.119006]  ? trace_hardirqs_on+0x310/0x310
[  328.122779]  0
[  328.125877]  ? warn_alloc+0x120/0x120
[  328.130259]  0
[  328.132079]  ? warn_alloc+0x120/0x120
[  328.135854]  3503
[  328.137651]  ? ktime_get+0x2e1/0x440
[  328.141429]  3503
[  328.143518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.149258]  ? check_preemption_disabled+0x48/0x200
[  328.154777] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  328.159814]  ? kasan_check_read+0x11/0x20
[  328.159831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.188950] lowmem_reserve[]:
[  328.193087]  ? should_fail+0x22d/0xd01
[  328.198593]  0
[  328.201708]  ? rcu_bh_qs+0xc0/0xc0
[  328.205564]  0
[  328.207353]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.210865]  0
[  328.212655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.212685]  ? should_fail+0x22d/0xd01
[  328.217775]  0
[  328.219572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.228955]  ? should_fail+0x22d/0xd01
[  328.230747] Node 0 
[  328.235839]  ? rcu_idle_enter+0x4b0/0x4b0
[  328.239701] DMA: 
[  328.241926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.246091] 1*4kB 
[  328.248168]  ? mark_held_locks+0x130/0x130
[  328.253244] (U) 
[  328.255405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.259615] 0*8kB 
[  328.261582]  ? mark_held_locks+0x130/0x130
[  328.267091] 0*16kB 1*32kB 
[  328.269259]  ? rcu_irq_exit+0xce/0x100
[  328.273496] (U) 
[  328.276338]  ? irq_exit+0xbd/0x1c0
[  328.280209] 2*64kB 
[  328.282174]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  328.285685] (U) 
[  328.287919]  ? do_raw_spin_unlock+0xa7/0x2f0
[  328.292910] 1*128kB 
[  328.294880]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.299259] (U) 
[  328.301591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.307448] 1*256kB 
[  328.309417]  ? ret_from_intr+0xb/0x1e
[  328.314922] (U) 
[  328.317258]  ? retint_kernel+0x2d/0x2d
[  328.321031] 0*512kB 
[  328.322999]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.326861] 1*1024kB 
[  328.329178]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  328.334092] (U) 
[  328.336498]  ? trace_hardirqs_off+0x310/0x310
[  328.341225] 1*2048kB 
[  328.343191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  328.347680] (M) 
[  328.350100]  __alloc_pages_nodemask+0xa80/0xde0
[  328.355172] 3*4096kB 
[  328.357148]  ? should_fail+0x22d/0xd01
[  328.361786] (M) 
[  328.364190]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  328.368050] = 15908kB
[  328.370026]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.375020] Node 0 
[  328.377422]  ? lock_downgrade+0x900/0x900
[  328.382062] DMA32: 
[  328.384291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.388413] 3*4kB 
[  328.390640]  cache_grow_begin+0x91/0x8c0
[  328.396146] (UM) 2*8kB 
[  328.398298]  ? do_raw_spin_unlock+0xa7/0x2f0
[  328.402331] (UM) 
[  328.404907]  fallback_alloc+0x203/0x2e0
[  328.409286] 2*16kB 
[  328.411351]  ____cache_alloc_node+0x1c7/0x1e0
[  328.415295] (M) 
[  328.417537]  kmem_cache_alloc_node+0xe3/0x730
[  328.422019] 2*32kB 
[  328.423989]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.428472] (M) 
[  328.430705]  __alloc_skb+0x119/0x770
[  328.434915] 4*64kB 
[  328.436883]  ? skb_scrub_packet+0x490/0x490
[  328.440568] (M) 
[  328.442797]  ? lock_downgrade+0x900/0x900
[  328.447090] 3*128kB 
[  328.449058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.453174] (M) 
[  328.455495]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.461006] 4*256kB 
[  328.462972]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.468398] (UM) 
[  328.470712]  ? addrconf_rs_timer+0x690/0x690
[  328.476135] 3*512kB 
[  328.478197]  ndisc_alloc_skb+0x144/0x340
[  328.482575] (M) 
[  328.484888]  ndisc_send_rs+0x331/0x6e0
[  328.488921] 3*1024kB 
[  328.490884]  addrconf_rs_timer+0x314/0x690
[  328.494743] (UM) 
[  328.497181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.501399] 3*2048kB 
[  328.503459]  call_timer_fn+0x272/0x920
[  328.507664] (M) 
[  328.510078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.513938] 3*4096kB 
[  328.515915]  ? process_timeout+0x40/0x40
[  328.520120] (M) 
[  328.522526]  ? trace_hardirqs_off+0xb8/0x310
[  328.526559] = 24828kB
[  328.528529]  ? kasan_check_read+0x11/0x20
[  328.532906] Node 0 
[  328.535307]  ? do_raw_spin_unlock+0xa7/0x2f0
[  328.539435] Normal: 
[  328.541664]  ? trace_hardirqs_on+0x310/0x310
[  328.546045] 1555*4kB 
[  328.548396]  ? __run_timers+0x7da/0xc70
[  328.552793] (UMEH) 
[  328.555193]  ? lock_downgrade+0x900/0x900
[  328.559140] 298*8kB 
[  328.561417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  328.565536] (ME) 
[  328.568331]  ? trace_hardirqs_on+0xbd/0x310
[  328.573412] 96*16kB 
[  328.575467]  ? kasan_check_read+0x11/0x20
[  328.579759] (ME) 
[  328.582078]  ? __run_timers+0x7da/0xc70
[  328.586197] 43*32kB 
[  328.588252]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.592200] (UME) 
[  328.594528]  ? kasan_check_write+0x14/0x20
[  328.599949] 31*64kB 
[  328.602105]  ? do_raw_spin_lock+0xc1/0x200
[  328.606328] (UM) 
[  328.608646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.612863] 0*128kB 
[  328.614923]  __run_timers+0x7e5/0xc70
[  328.619130] 1*256kB 
[  328.621453]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  328.625219] (U) 
[  328.627536]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.632870] 0*512kB 
[  328.634838]  ? timerqueue_add+0x207/0x2b0
[  328.639828] 0*1024kB 
[  328.642140]  ? enqueue_hrtimer+0x1a5/0x560
[  328.646261] 0*2048kB 
[  328.648664]  ? lock_release+0x970/0x970
[  328.652869] 0*4096kB 
[  328.655266]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  328.659257] = 13756kB
[  328.661663]  ? kasan_check_write+0x14/0x20
[  328.666845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  328.669260]  ? pvclock_read_flags+0x160/0x160
[  328.673473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  328.682295]  ? lock_downgrade+0x900/0x900
[  328.686763] 3632 total pagecache pages
[  328.695328]  ? trace_hardirqs_on+0xbd/0x310
[  328.699444] 0 pages in swap cache
[  328.703325]  ? kvm_sched_clock_read+0x9/0x20
[  328.707621] Swap cache stats: add 0, delete 0, find 0/0
[  328.711109]  ? irq_exit+0x17f/0x1c0
[  328.715487] Free swap  = 0kB
[  328.720882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.724486] Total swap = 0kB
[  328.727500]  ? check_preemption_disabled+0x48/0x200
[  328.733004] 1965979 pages RAM
[  328.736015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.741017] 0 pages HighMem/MovableOnly
[  328.744159]  run_timer_softirq+0x52/0xb0
[  328.749672] 342307 pages reserved
[  328.753657]  ? __this_cpu_preempt_check+0x1c/0x1f
[  328.753673]  __do_softirq+0x30b/0xad8
[  328.757720] 0 pages cma reserved
[  328.761167]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  328.766050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.769774]  ? pvclock_read_flags+0x160/0x160
[  328.773169] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.778203]  ? lapic_next_event+0x5a/0x90
[  328.784669] ksoftirqd/0 cpuset=
[  328.789158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.799435] /
[  328.803575]  ? clockevents_program_event+0x140/0x370
[  328.806827]  mems_allowed=0
[  328.812353]  ? kvm_clock_read+0x18/0x30
[  328.826023]  ? kvm_sched_clock_read+0x9/0x20
[  328.830432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.835971]  ? check_preemption_disabled+0x48/0x200
[  328.840990]  irq_exit+0x17f/0x1c0
[  328.844442]  smp_apic_timer_interrupt+0x1cb/0x760
[  328.849307]  ? smp_reschedule_interrupt+0x109/0x650
[  328.854318]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.860203]  ? interrupt_entry+0xb5/0xf0
[  328.864263]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.869274]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.874287]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.879126]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.884147]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.889162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.894696]  ? check_preemption_disabled+0x48/0x200
[  328.899719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.905258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.910108]  apic_timer_interrupt+0xf/0x20
[  328.914334]  </IRQ>
[  328.916577] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  328.921509] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  328.940410] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  328.948116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  328.955391] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  328.962657] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  328.969919] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  328.977188] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  328.984477]  ? trace_hardirqs_on+0xb4/0x310
[  328.988806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.994366]  skb_clone+0x1bb/0x500
[  328.997916]  ? finish_task_switch+0x2f5/0x900
[  329.002427]  ? skb_split+0x11e0/0x11e0
[  329.006315]  ? preempt_notifier_register+0x200/0x200
[  329.011422]  ? __switch_to_asm+0x34/0x70
[  329.015495]  ? __switch_to_asm+0x34/0x70
[  329.019552]  ? __switch_to_asm+0x40/0x70
[  329.023606]  ? __switch_to_asm+0x34/0x70
[  329.027664]  ? __switch_to_asm+0x40/0x70
[  329.031721]  ? __switch_to_asm+0x34/0x70
[  329.035778]  ? __switch_to_asm+0x40/0x70
[  329.039852]  ? __switch_to_asm+0x34/0x70
[  329.043911]  ? __switch_to_asm+0x34/0x70
[  329.047984]  ? __switch_to_asm+0x40/0x70
[  329.052038]  ? __switch_to_asm+0x34/0x70
[  329.056104]  bpf_clone_redirect+0xb9/0x490
[  329.060333]  ? __schedule+0x874/0x1ed0
[  329.064223]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  329.069234]  ? __sched_text_start+0x8/0x8
[  329.073378]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  329.078151]  ? retint_kernel+0x2d/0x2d
[  329.082058]  ? lock_acquire+0x1ed/0x520
[  329.086047]  ? bpf_test_run+0x3cb/0x780
[  329.090023]  ? lock_release+0x970/0x970
[  329.093991]  ? preempt_schedule+0x4d/0x60
[  329.098135]  ? preempt_schedule_common+0x1f/0xd0
[  329.102894]  ? preempt_schedule+0x4d/0x60
[  329.107043]  ? ___preempt_schedule+0x16/0x18
[  329.111470]  ? bpf_test_run+0x25d/0x780
[  329.115451]  ? netlink_diag_dump+0x2a0/0x2a0
[  329.119863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.125407]  ? bpf_test_init.isra.9+0x70/0x100
[  329.129989]  ? bpf_prog_test_run_skb+0x634/0xb40
[  329.134747]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  329.139590]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.145147]  ? fput+0x130/0x1a0
[  329.148426]  ? __bpf_prog_get+0x9b/0x290
[  329.152485]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  329.157324]  ? bpf_prog_test_run+0x130/0x1a0
[  329.161731]  ? __x64_sys_bpf+0x3d8/0x510
[  329.165792]  ? bpf_prog_get+0x20/0x20
[  329.169605]  ? do_syscall_64+0x1b9/0x820
[  329.173695]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  329.179062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.183992]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.189021]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  329.194050]  ? recalc_sigpending_tsk+0x180/0x180
[  329.198805]  ? kasan_check_write+0x14/0x20
[  329.203043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.207899]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  329.213298] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc6+ #121
[  329.213365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  329.220135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.220139] Call Trace:
[  329.220158]  dump_stack+0x1c4/0x2b4
[  329.220175]  ? dump_stack_print_info.cold.2+0x52/0x52
[  329.226746] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  329.236017]  warn_alloc.cold.119+0xb7/0x1bd
[  329.238574] syz-executor4 cpuset=
[  329.242188]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.247345] syz4
[  329.257822]  ? lock_downgrade+0x900/0x900
[  329.262117]  mems_allowed=0
[  329.265560]  ? trace_hardirqs_off+0xb8/0x310
[  329.283875]  ? trace_hardirqs_off+0xb8/0x310
[  329.288289]  __alloc_pages_slowpath+0x2667/0x2d80
[  329.293144]  ? mark_held_locks+0x130/0x130
[  329.297378]  ? warn_alloc+0x120/0x120
[  329.301186]  ? warn_alloc+0x120/0x120
[  329.304985]  ? warn_alloc+0x120/0x120
[  329.308818]  ? mark_held_locks+0x130/0x130
[  329.313073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.318611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.324150]  ? should_fail+0x22d/0xd01
[  329.328066]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.333168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.338699]  ? should_fail+0x22d/0xd01
[  329.342586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.347684]  ? should_fail+0x22d/0xd01
[  329.351585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.356699]  ? mark_held_locks+0x130/0x130
[  329.360937]  ? mark_held_locks+0x130/0x130
[  329.365167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.370701]  ? trace_hardirqs_off+0xb8/0x310
[  329.375121]  ? kasan_check_read+0x11/0x20
[  329.379273]  ? do_raw_spin_unlock+0xa7/0x2f0
[  329.383694]  ? trace_hardirqs_on+0x310/0x310
[  329.388100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.393653]  ? wq_watchdog_touch+0x9c/0xfe
[  329.397899]  ? io_serial_in+0x11/0x90
[  329.401709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.407250]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.412373]  __alloc_pages_nodemask+0xa80/0xde0
[  329.417050]  ? should_fail+0x22d/0xd01
[  329.420935]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  329.425998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.430682]  ? lock_downgrade+0x900/0x900
[  329.434831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.440587]  cache_grow_begin+0x91/0x8c0
[  329.444662]  ? do_raw_spin_unlock+0xa7/0x2f0
[  329.449092]  fallback_alloc+0x203/0x2e0
[  329.453063]  ____cache_alloc_node+0x1c7/0x1e0
[  329.457557]  kmem_cache_alloc_node+0xe3/0x730
[  329.462048]  ? ipv6_get_ifaddr+0x42e/0x620
[  329.466284]  __alloc_skb+0x119/0x770
[  329.469996]  ? skb_scrub_packet+0x490/0x490
[  329.474315]  ? lock_downgrade+0x900/0x900
[  329.478464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.483998]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.489450]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.494913]  ? addrconf_rs_timer+0x690/0x690
[  329.499328]  ndisc_alloc_skb+0x144/0x340
[  329.503400]  ndisc_send_rs+0x331/0x6e0
[  329.507291]  addrconf_rs_timer+0x314/0x690
[  329.511525]  ? lock_release+0x970/0x970
[  329.515498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.519752]  call_timer_fn+0x272/0x920
[  329.523633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.527870]  ? process_timeout+0x40/0x40
[  329.531928]  ? kasan_check_read+0x11/0x20
[  329.536089]  ? do_raw_spin_unlock+0xa7/0x2f0
[  329.540497]  ? trace_hardirqs_on+0x310/0x310
[  329.544905]  ? __run_timers+0x7da/0xc70
[  329.548879]  ? lock_downgrade+0x900/0x900
[  329.553032]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.558145]  ? trace_hardirqs_on+0xbd/0x310
[  329.562478]  ? kasan_check_read+0x11/0x20
[  329.566622]  ? __run_timers+0x7da/0xc70
[  329.570761]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  329.576212]  ? kasan_check_write+0x14/0x20
[  329.580441]  ? do_raw_spin_lock+0xc1/0x200
[  329.584708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.588953]  __run_timers+0x7e5/0xc70
[  329.592762]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  329.598121]  ? compat_start_thread+0x80/0x80
[  329.602523]  ? dequeue_entity+0x1770/0x1770
[  329.606842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.612374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.617988]  ? _raw_spin_unlock_irq+0x60/0x80
[  329.622485]  ? finish_task_switch+0x1f5/0x900
[  329.626993]  ? finish_task_switch+0x1b5/0x900
[  329.631486]  ? __switch_to_asm+0x34/0x70
[  329.635550]  ? preempt_notifier_register+0x200/0x200
[  329.640653]  ? __switch_to_asm+0x34/0x70
[  329.644709]  ? __switch_to_asm+0x40/0x70
[  329.648767]  ? __switch_to_asm+0x34/0x70
[  329.652824]  ? __switch_to_asm+0x40/0x70
[  329.656881]  ? __switch_to_asm+0x34/0x70
[  329.660948]  ? __switch_to_asm+0x40/0x70
[  329.665008]  ? __switch_to_asm+0x40/0x70
[  329.669073]  ? pvclock_read_flags+0x160/0x160
[  329.673563]  ? __schedule+0x874/0x1ed0
[  329.677467]  ? run_rebalance_domains+0x38d/0x500
[  329.682224]  ? trace_hardirqs_on+0xbd/0x310
[  329.686541]  ? kvm_sched_clock_read+0x9/0x20
[  329.690950]  ? run_ksoftirqd+0x94/0x100
[  329.694926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.700467]  ? check_preemption_disabled+0x48/0x200
[  329.705484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.711025]  run_timer_softirq+0x52/0xb0
[  329.715096]  ? __this_cpu_preempt_check+0x1c/0x1f
[  329.719940]  __do_softirq+0x30b/0xad8
[  329.723762]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  329.728861]  ? trace_hardirqs_off+0xb8/0x310
[  329.733274]  ? schedule+0x108/0x460
[  329.736906]  ? __schedule+0x1ed0/0x1ed0
[  329.740879]  ? run_ksoftirqd+0x40/0x100
[  329.744853]  ? trace_hardirqs_off+0xb8/0x310
[  329.749261]  ? ___might_sleep+0x1ed/0x300
[  329.753412]  ? smpboot_thread_fn+0x68b/0xa00
[  329.757817]  ? trace_hardirqs_on+0x310/0x310
[  329.762225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.767773]  ? check_preemption_disabled+0x48/0x200
[  329.772784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.778321]  ? takeover_tasklets+0xa90/0xa90
[  329.782730]  run_ksoftirqd+0x94/0x100
[  329.786542]  smpboot_thread_fn+0x68b/0xa00
[  329.790777]  ? sort_range+0x30/0x30
[  329.794423]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.799523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.805062]  ? __kthread_parkme+0xfb/0x1a0
[  329.809294]  kthread+0x35a/0x420
[  329.812664]  ? sort_range+0x30/0x30
[  329.816305]  ? kthread_bind+0x40/0x40
[  329.820114]  ret_from_fork+0x3a/0x50
[  329.823864] warn_alloc_show_mem: 1 callbacks suppressed
[  329.823877] CPU: 1 PID: 9591 Comm: syz-executor4 Not tainted 4.19.0-rc6+ #121
[  329.823879] Mem-Info:
[  329.823910] active_anon:53551 inactive_anon:3595 isolated_anon:0
[  329.823910]  active_file:15 inactive_file:15 isolated_file:0
[  329.823910]  unevictable:0 dirty:0 writeback:0 unstable:0
[  329.823910]  slab_reclaimable:8971 slab_unreclaimable:1477715
[  329.823910]  mapped:16386 shmem:3602 pagetables:504 bounce:0
[  329.823910]  free:13623 free_pcp:480 free_cma:0
[  329.829249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.836529] Node 0 active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:14408kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 141312kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  329.838926] Call Trace:
[  329.871961] Node 0 
[  329.881303]  <IRQ>
[  329.909068] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  329.911621]  dump_stack+0x1c4/0x2b4
[  329.913832] lowmem_reserve[]:
[  329.915975]  ? dump_stack_print_info.cold.2+0x52/0x52
[  329.941462]  0
[  329.945084]  warn_alloc.cold.119+0xb7/0x1bd
[  329.948156]  2819
[  329.953339]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.955128]  6323
[  329.959461]  ? lock_downgrade+0x900/0x900
[  329.961494]  6323
[  329.966334]  ? trace_hardirqs_off+0xb8/0x310
[  329.972544]  ? trace_hardirqs_off+0xb8/0x310
[  329.974584] Node 0 
[  329.978985]  __alloc_pages_slowpath+0x2667/0x2d80
[  329.983416] DMA32 free:24828kB min:30060kB low:37572kB high:45084kB active_anon:0kB 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:248kB free_cma:0kB
[  329.985636]  ? warn_alloc+0x120/0x120
[  329.990440] lowmem_reserve[]:
[  330.017322]  ? trace_hardirqs_on+0x310/0x310
[  330.021094]  0
[  330.024192]  ? warn_alloc+0x120/0x120
[  330.028598]  0
[  330.030403]  ? warn_alloc+0x120/0x120
[  330.034178]  3503
[  330.035971]  ? ktime_get+0x2e1/0x440
[  330.039747]  3503
[  330.041806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.047554]  ? check_preemption_disabled+0x48/0x200
[  330.053061] Node 0 Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:214204kB inactive_anon:14380kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5216kB pagetables:2016kB bounce:0kB free_pcp:1672kB local_pcp:248kB free_cma:0kB
[  330.058104]  ? kasan_check_read+0x11/0x20
[  330.058121]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.087241] lowmem_reserve[]:
[  330.091405]  ? should_fail+0x22d/0xd01
[  330.096912]  0
[  330.100023]  ? rcu_bh_qs+0xc0/0xc0
[  330.103883]  0
[  330.105682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.109193]  0
[  330.110992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.116086]  0
[  330.117899]  ? should_fail+0x22d/0xd01
[  330.125203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.129062] Node 0 
[  330.134169]  ? should_fail+0x22d/0xd01
[  330.134171] DMA: 1*4kB 
[  330.136416]  ? rcu_idle_enter+0x4b0/0x4b0
[  330.140278] (U) 
[  330.142853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.146973] 0*8kB 
[  330.148941]  ? mark_held_locks+0x130/0x130
[  330.154014] 0*16kB 
[  330.156187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.160410] 1*32kB 
[  330.162649]  ? mark_held_locks+0x130/0x130
[  330.168166] (U) 
[  330.170405]  ? rcu_irq_exit+0xce/0x100
[  330.174612] 2*64kB 
[  330.176580]  ? irq_exit+0xbd/0x1c0
[  330.180438] (U) 
[  330.182667]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  330.186180] 1*128kB 
[  330.188153]  ? do_raw_spin_unlock+0xa7/0x2f0
[  330.193135] (U) 
[  330.195459]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.199835] 1*256kB (U) 
[  330.201819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.207677] 0*512kB 
[  330.210339]  ? ret_from_intr+0xb/0x1e
[  330.215847] 1*1024kB 
[  330.218167]  ? retint_kernel+0x2d/0x2d
[  330.221946] (U) 
[  330.224351]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.228213] 1*2048kB 
[  330.230186]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.235086] (M) 
[  330.237491]  ? trace_hardirqs_off+0x310/0x310
[  330.242224] 3*4096kB 
[  330.244192]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.248660] (M) 
[  330.251070]  __alloc_pages_nodemask+0xa80/0xde0
[  330.256143] = 15908kB
[  330.258119]  ? should_fail+0x22d/0xd01
[  330.262759] Node 0 
[  330.265166]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  330.269042] DMA32: 
[  330.271282]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.276260] 3*4kB 
[  330.278492]  ? lock_downgrade+0x900/0x900
[  330.283145] (UM) 2*8kB (UM) 
[  330.285303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.289423] 2*16kB 
[  330.292436]  cache_grow_begin+0x91/0x8c0
[  330.297944] (M) 
[  330.300176]  ? do_raw_spin_unlock+0xa7/0x2f0
[  330.304209] 2*32kB 
[  330.306178]  fallback_alloc+0x203/0x2e0
[  330.310557] (M) 
[  330.312789]  ____cache_alloc_node+0x1c7/0x1e0
[  330.316737] 4*64kB 
[  330.318709]  kmem_cache_alloc_node+0xe3/0x730
[  330.323176] (M) 
[  330.325413]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.329897] 3*128kB 
[  330.331868]  __alloc_skb+0x119/0x770
[  330.336073] (M) 
[  330.338395]  ? skb_scrub_packet+0x490/0x490
[  330.342100] 4*256kB 
[  330.344067]  ? lock_downgrade+0x900/0x900
[  330.348378] (UM) 
[  330.350704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.354824] 3*512kB 
[  330.356882]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.362394] (M) 
[  330.364715]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.370140] 3*1024kB 
[  330.372109]  ? addrconf_rs_timer+0x690/0x690
[  330.377532] (UM) 
[  330.379935]  ndisc_alloc_skb+0x144/0x340
[  330.384313] 3*2048kB 
[  330.386376]  ndisc_send_rs+0x331/0x6e0
[  330.390434] (M) 
[  330.392838]  addrconf_rs_timer+0x314/0x690
[  330.396701] 3*4096kB 
[  330.398667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.402875] (M) 
[  330.405281]  call_timer_fn+0x272/0x920
[  330.409533] = 24828kB
[  330.411500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.415362] Node 0 
[  330.417802]  ? process_timeout+0x40/0x40
[  330.422011] Normal: 
[  330.424244]  ? trace_hardirqs_off+0xb8/0x310
[  330.428275] 1555*4kB 
[  330.430594]  ? kasan_check_read+0x11/0x20
[  330.434987] (UMEH) 
[  330.437398]  ? do_raw_spin_unlock+0xa7/0x2f0
[  330.441515] 298*8kB 
[  330.443756]  ? trace_hardirqs_on+0x310/0x310
[  330.448136] (ME) 
[  330.450470]  ? __run_timers+0x7da/0xc70
[  330.454866] 96*16kB 
[  330.456920]  ? lock_downgrade+0x900/0x900
[  330.460865] (ME) 
[  330.463184]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.467302] 43*32kB 
[  330.469353]  ? trace_hardirqs_on+0xbd/0x310
[  330.474429] (UME) 
[  330.476758]  ? kasan_check_read+0x11/0x20
[  330.481071] 31*64kB 
[  330.483210]  ? __run_timers+0x7da/0xc70
[  330.487346] (UM) 
[  330.489659]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.489676]  ? kasan_check_write+0x14/0x20
[  330.493628] 0*128kB 
[  330.495683]  ? do_raw_spin_lock+0xc1/0x200
[  330.501155] 1*256kB 
[  330.505379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.507701] (U) 
[  330.511943]  __run_timers+0x7e5/0xc70
[  330.514259] 0*512kB 
[  330.518489]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  330.520444] 0*1024kB 
[  330.524239]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.526537] 0*2048kB 
[  330.531909]  ? timerqueue_add+0x207/0x2b0
[  330.534311] 0*4096kB 
[  330.539314]  ? enqueue_hrtimer+0x1a5/0x560
[  330.541701] = 13756kB
[  330.545837]  ? lock_release+0x970/0x970
[  330.548226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.552442]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.554832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.558795]  ? kasan_check_write+0x14/0x20
[  330.567603] 3632 total pagecache pages
[  330.572788]  ? pvclock_read_flags+0x160/0x160
[  330.581338] 0 pages in swap cache
[  330.585566]  ? lock_downgrade+0x900/0x900
[  330.589434] Swap cache stats: add 0, delete 0, find 0/0
[  330.593917]  ? trace_hardirqs_on+0xbd/0x310
[  330.597344] Free swap  = 0kB
[  330.601511]  ? kvm_sched_clock_read+0x9/0x20
[  330.606863] Total swap = 0kB
[  330.611180]  ? irq_exit+0x17f/0x1c0
[  330.614171] 1965979 pages RAM
[  330.618576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.621569] 0 pages HighMem/MovableOnly
[  330.625192]  ? check_preemption_disabled+0x48/0x200
[  330.628266] 342307 pages reserved
[  330.633794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.637739] 0 pages cma reserved
[  330.642750]  run_timer_softirq+0x52/0xb0
[  330.646239] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.651700]  ? __this_cpu_preempt_check+0x1c/0x1f
[  330.655089] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.659088]  __do_softirq+0x30b/0xad8
[  330.665551] ksoftirqd/0 cpuset=
[  330.670408]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  330.680704] /
[  330.684496]  ? pvclock_read_flags+0x160/0x160
[  330.687749]  mems_allowed=0
[  330.692840]  ? lapic_next_event+0x5a/0x90
[  330.706060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.711596]  ? clockevents_program_event+0x140/0x370
[  330.716716]  ? kvm_clock_read+0x18/0x30
[  330.720687]  ? kvm_sched_clock_read+0x9/0x20
[  330.725093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.730634]  ? check_preemption_disabled+0x48/0x200
[  330.735670]  irq_exit+0x17f/0x1c0
[  330.739160]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.743997]  ? smp_reschedule_interrupt+0x109/0x650
[  330.749009]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.754893]  ? interrupt_entry+0xb5/0xf0
[  330.758956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.763968]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.768985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.773838]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.778867]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.783883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.789421]  ? check_preemption_disabled+0x48/0x200
[  330.794436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.799975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.804832]  apic_timer_interrupt+0xf/0x20
[  330.809078]  </IRQ>
[  330.811321] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  330.816254] Code: 7e 0f 85 cf fe ff ff e8 d6 d0 3f ff e9 c5 fe ff ff e8 3d 34 c4 ff 48 83 3d 8d 45 71 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 8a 2b
[  330.835157] RSP: 0000:ffff88019a1cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  330.842861] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000a2c4000
[  330.850126] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
[  330.857398] RBP: ffff88019a1cf7b0 R08: ffff8801984ec640 R09: fffffbfff1281154
[  330.864675] R10: ffff88019a1ce390 R11: ffffffff89408aa3 R12: 0000000000000000
[  330.871939] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  330.879217]  ? trace_hardirqs_on+0xb4/0x310
[  330.883543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.889101]  skb_clone+0x1bb/0x500
[  330.892640]  ? finish_task_switch+0x2f5/0x900
[  330.897133]  ? skb_split+0x11e0/0x11e0
[  330.901028]  ? preempt_notifier_register+0x200/0x200
[  330.906140]  ? __switch_to_asm+0x34/0x70
[  330.910203]  ? __switch_to_asm+0x34/0x70
[  330.914261]  ? __switch_to_asm+0x40/0x70
[  330.918317]  ? __switch_to_asm+0x34/0x70
[  330.922373]  ? __switch_to_asm+0x40/0x70
[  330.926436]  ? __switch_to_asm+0x34/0x70
[  330.930495]  ? __switch_to_asm+0x40/0x70
[  330.934565]  ? __switch_to_asm+0x34/0x70
[  330.938625]  ? __switch_to_asm+0x34/0x70
[  330.942686]  ? __switch_to_asm+0x40/0x70
[  330.946746]  ? __switch_to_asm+0x34/0x70
[  330.950813]  bpf_clone_redirect+0xb9/0x490
[  330.955058]  ? __schedule+0x874/0x1ed0
[  330.958960]  bpf_prog_79bab0a1566dd526+0x864/0x1000
[  330.963990]  ? __sched_text_start+0x8/0x8
[  330.968134]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.972892]  ? retint_kernel+0x2d/0x2d
[  330.976784]  ? lock_acquire+0x1ed/0x520
[  330.980757]  ? bpf_test_run+0x3cb/0x780
[  330.984747]  ? lock_release+0x970/0x970
[  330.988719]  ? preempt_schedule+0x4d/0x60
[  330.992864]  ? preempt_schedule_common+0x1f/0xd0
[  330.997617]  ? preempt_schedule+0x4d/0x60
[  331.001766]  ? ___preempt_schedule+0x16/0x18
[  331.006179]  ? bpf_test_run+0x25d/0x780
[  331.010192]  ? netlink_diag_dump+0x2a0/0x2a0
[  331.014603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.020134]  ? bpf_test_init.isra.9+0x70/0x100
[  331.024721]  ? bpf_prog_test_run_skb+0x634/0xb40
[  331.029476]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  331.034314]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  331.039850]  ? fput+0x130/0x1a0
[  331.043131]  ? __bpf_prog_get+0x9b/0x290
[  331.047195]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  331.052031]  ? bpf_prog_test_run+0x130/0x1a0
[  331.056446]  ? __x64_sys_bpf+0x3d8/0x510
[  331.060504]  ? bpf_prog_get+0x20/0x20
[  331.064318]  ? do_syscall_64+0x1b9/0x820
[  331.068376]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  331.073751]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.078681]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.083697]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  331.088715]  ? recalc_sigpending_tsk+0x180/0x180