ead+0x11/0x20
[  336.326353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.331623]  ? rcu_softirq_qs+0x20/0x20
[  336.335595]  ? preempt_schedule+0x4d/0x60
[  336.339738]  ? ___preempt_schedule+0x16/0x18
[  336.344148]  ? bpf_test_run+0x271/0x7a0
[  336.348131]  ? netlink_diag_dump+0x2a0/0x2a0
[  336.352537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.358072]  ? bpf_test_init.isra.10+0x70/0x100
[  336.362743]  ? bpf_prog_test_run_skb+0x762/0xd60
[  336.367500]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.372341]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  336.377874]  ? fput+0x130/0x1a0
[  336.381159]  ? __bpf_prog_get+0x9b/0x290
[  336.385220]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.390055]  ? bpf_prog_test_run+0x130/0x1a0
[  336.394463]  ? __x64_sys_bpf+0x3d8/0x520
[  336.398522]  ? bpf_prog_get+0x20/0x20
[  336.402337]  ? do_syscall_64+0x1b9/0x820
[  336.406392]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  336.411756]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.416689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.421527]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.426539]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.431549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.437079]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.442093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.446937]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  336.452324] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  336.452394] aoe: skb alloc failure
[  336.459672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.459681] Call Trace:
[  336.463303] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.472557]  dump_stack+0x244/0x39d
[  336.475106] syz-executor5 cpuset=syz5 mems_allowed=0
[  336.485578]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.499469]  warn_alloc.cold.116+0xb7/0x1bd
[  336.503803]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.508657]  ? lock_downgrade+0x900/0x900
[  336.512820]  ? trace_hardirqs_off+0xb8/0x310
[  336.517232]  ? trace_hardirqs_off+0xb8/0x310
[  336.521647]  __alloc_pages_slowpath+0x2651/0x2de0
[  336.526525]  ? warn_alloc+0x120/0x120
[  336.530326]  ? warn_alloc+0x120/0x120
[  336.534130]  ? warn_alloc+0x120/0x120
[  336.537930]  ? print_usage_bug+0xc0/0xc0
[  336.541990]  ? check_preemption_disabled+0x48/0x280
[  336.547007]  ? print_usage_bug+0xc0/0xc0
[  336.551080]  ? kasan_check_read+0x11/0x20
[  336.555254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.560543]  ? rcu_softirq_qs+0x20/0x20
[  336.564536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.570074]  ? should_fail+0x22d/0xd01
[  336.573990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.579088]  ? __lock_acquire+0x62f/0x4c20
[  336.583323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.588418]  ? __lock_acquire+0x62f/0x4c20
[  336.592758]  ? should_fail+0x22d/0xd01
[  336.596661]  ? mark_held_locks+0x130/0x130
[  336.600894]  ? mark_held_locks+0x130/0x130
[  336.605132]  ? __enqueue_entity+0x10d/0x1f0
[  336.609453]  ? zap_class+0x640/0x640
[  336.613164]  ? print_usage_bug+0xc0/0xc0
[  336.617221]  ? enqueue_entity+0x34b/0x20a0
[  336.621453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.627248]  ? check_preemption_disabled+0x48/0x280
[  336.632272]  ? __lock_is_held+0xb5/0x140
[  336.636354]  __alloc_pages_nodemask+0xad8/0xea0
[  336.641024]  ? zap_class+0x640/0x640
[  336.644737]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  336.649778]  ? find_held_lock+0x36/0x1c0
[  336.653871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.658547]  ? lock_downgrade+0x900/0x900
[  336.662701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.668234]  cache_grow_begin+0xa5/0x8c0
[  336.672304]  ? do_raw_spin_unlock+0xa7/0x330
[  336.676746]  fallback_alloc+0x204/0x2e0
[  336.680732]  ____cache_alloc_node+0x1c7/0x1e0
[  336.685228]  kmem_cache_alloc_node+0xe3/0x730
[  336.689717]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.693963]  __alloc_skb+0x119/0x770
[  336.697680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.702955]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.707356]  ? lock_downgrade+0x900/0x900
[  336.711502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.717034]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.722478]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.727941]  ? addrconf_rs_timer+0x690/0x690
[  336.732372]  ndisc_alloc_skb+0x144/0x340
[  336.736429]  ndisc_send_rs+0x331/0x6e0
[  336.740321]  addrconf_rs_timer+0x314/0x690
[  336.744552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.748799]  call_timer_fn+0x272/0x920
[  336.752677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.756928]  ? process_timeout+0x40/0x40
[  336.760992]  ? __run_timers+0x7da/0xc70
[  336.764976]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.769467]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.773954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.778183]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.782777]  ? trace_hardirqs_on+0xbd/0x310
[  336.787098]  ? kasan_check_read+0x11/0x20
[  336.791236]  ? __run_timers+0x7da/0xc70
[  336.795224]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.800346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.804574]  __run_timers+0x7e5/0xc70
[  336.808376]  ? timer_fixup_init+0x70/0x70
[  336.812538]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.817029]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.821524]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.826102]  ? trace_hardirqs_on+0xbd/0x310
[  336.830415]  ? kasan_check_read+0x11/0x20
[  336.834561]  ? finish_task_switch+0x1f4/0x910
[  336.839050]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.844145]  ? compat_start_thread+0x80/0x80
[  336.848569]  ? pvclock_read_flags+0x160/0x160
[  336.853057]  ? __switch_to_asm+0x34/0x70
[  336.857117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.862663]  ? check_preemption_disabled+0x48/0x280
[  336.867675]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  336.873203]  ? rcu_pm_notify+0xc0/0xc0
[  336.877100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.882632]  ? check_preemption_disabled+0x48/0x280
[  336.887646]  run_timer_softirq+0x52/0xb0
[  336.891701]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.896786]  __do_softirq+0x308/0xb7e
[  336.900582]  ? retint_kernel+0x2d/0x2d
[  336.904465]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.909560]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.915014]  ? retint_kernel+0x2d/0x2d
[  336.918901]  ? schedule+0x108/0x460
[  336.922531]  ? trace_hardirqs_off+0xb8/0x310
[  336.926937]  ? smpboot_thread_fn+0x68b/0xa00
[  336.931351]  ? trace_hardirqs_on+0x310/0x310
[  336.935764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.941306]  ? check_preemption_disabled+0x48/0x280
[  336.946318]  ? takeover_tasklets+0xa90/0xa90
[  336.950717]  run_ksoftirqd+0x5e/0x100
[  336.954530]  smpboot_thread_fn+0x68b/0xa00
[  336.958844]  ? sort_range+0x30/0x30
[  336.962491]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  336.967589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.973117]  ? __kthread_parkme+0xfb/0x1a0
[  336.977350]  ? sort_range+0x30/0x30
[  336.980973]  kthread+0x35a/0x440
[  336.984336]  ? kthread_stop+0x900/0x900
[  336.988310]  ret_from_fork+0x3a/0x50
[  336.992033] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  336.992038] warn_alloc_show_mem: 1 callbacks suppressed
[  336.992043] Mem-Info:
[  336.999416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.004782] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  337.004782]  active_file:17 inactive_file:17 isolated_file:0
[  337.004782]  unevictable:0 dirty:0 writeback:0 unstable:0
[  337.004782]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  337.004782]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  337.004782]  free:13768 free_pcp:279 free_cma:0
[  337.007150] Call Trace:
[  337.016522] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  337.049529]  <IRQ>
[  337.052103] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  337.079764]  dump_stack+0x244/0x39d
[  337.081881] lowmem_reserve[]: 0 2818 6321 6321
[  337.107985]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.111584] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  337.116164]  warn_alloc.cold.116+0xb7/0x1bd
[  337.121317] lowmem_reserve[]: 0 0 3503 3503
[  337.148712]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.153009] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  337.157316]  ? lock_downgrade+0x900/0x900
[  337.162125] lowmem_reserve[]: 0 0 0 0
[  337.191086]  ? trace_hardirqs_off+0xb8/0x310
[  337.195215] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  337.199013]  ? trace_hardirqs_off+0xb8/0x310
[  337.203407] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  337.216918]  __alloc_pages_slowpath+0x2651/0x2de0
[  337.221292] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  337.236589]  ? warn_alloc+0x120/0x120
[  337.241397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  337.256208]  ? warn_alloc+0x120/0x120
[  337.259982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  337.268901]  ? warn_alloc+0x120/0x120
[  337.272671] 1758 total pagecache pages
[  337.281243]  ? print_usage_bug+0xc0/0xc0
[  337.285031] 0 pages in swap cache
[  337.288899]  ? print_usage_bug+0xc0/0xc0
[  337.292935] Swap cache stats: add 0, delete 0, find 0/0
[  337.296368]  ? ktime_get+0x2c1/0x400
[  337.300397] Free swap  = 0kB
[  337.305746]  ? check_preemption_disabled+0x48/0x280
[  337.309425] Total swap = 0kB
[  337.312430]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  337.317417] 1965979 pages RAM
[  337.320431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.324890] 0 pages HighMem/MovableOnly
[  337.327980]  ? should_fail+0x22d/0xd01
[  337.333485] 342853 pages reserved
[  337.337446]  ? kasan_check_read+0x11/0x20
[  337.341302] 0 pages cma reserved
[  337.344739]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.348955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.352243]  ? __lock_acquire+0x62f/0x4c20
[  337.352259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.352275]  ? should_fail+0x22d/0xd01
[  337.357405] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.363824]  ? print_usage_bug+0xc0/0xc0
[  337.368030] ksoftirqd/0 cpuset=/ mems_allowed=0
[  337.373137]  ? mark_held_locks+0x130/0x130
[  337.400196]  ? mark_held_locks+0x130/0x130
[  337.404429]  ? check_preemption_disabled+0x48/0x280
[  337.409445]  ? zap_class+0x640/0x640
[  337.413158]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  337.417910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.423440]  ? check_preemption_disabled+0x48/0x280
[  337.428461]  ? __lock_is_held+0xb5/0x140
[  337.432521]  __alloc_pages_nodemask+0xad8/0xea0
[  337.437184]  ? zap_class+0x640/0x640
[  337.440896]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  337.445911]  ? find_held_lock+0x36/0x1c0
[  337.449991]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.454652]  ? lock_downgrade+0x900/0x900
[  337.458799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.464328]  cache_grow_begin+0xa5/0x8c0
[  337.468380]  ? do_raw_spin_unlock+0xa7/0x330
[  337.472791]  fallback_alloc+0x204/0x2e0
[  337.476763]  ____cache_alloc_node+0x1c7/0x1e0
[  337.481272]  kmem_cache_alloc_node+0xe3/0x730
[  337.485764]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.490346]  __alloc_skb+0x119/0x770
[  337.494071]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  337.499435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.503854]  ? vprintk_default+0x28/0x30
[  337.507911]  ? vprintk_func+0x85/0x181
[  337.511807]  ? printk+0xa7/0xcf
[  337.515079]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  337.519841]  new_skb+0x26/0x1c0
[  337.523113]  aoecmd_cfg+0x279/0x7f0
[  337.526735]  ? find_held_lock+0x36/0x1c0
[  337.530978]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  337.535301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.540841]  ? __lock_is_held+0xb5/0x140
[  337.544907]  discover_timer+0x50/0x60
[  337.548703]  call_timer_fn+0x272/0x920
[  337.552586]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  337.557418]  ? process_timeout+0x40/0x40
[  337.561477]  ? __run_timers+0x7da/0xc70
[  337.565461]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.569949]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.574438]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  337.579276]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.583861]  ? trace_hardirqs_on+0xbd/0x310
[  337.588174]  ? kasan_check_read+0x11/0x20
[  337.592315]  ? __run_timers+0x7da/0xc70
[  337.596283]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.601387]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  337.606237]  __run_timers+0x7e5/0xc70
[  337.610041]  ? timer_fixup_init+0x70/0x70
[  337.614184]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.619204]  ? zap_class+0x640/0x640
[  337.622915]  ? enqueue_hrtimer+0x1a5/0x560
[  337.627151]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.632370]  ? find_held_lock+0x36/0x1c0
[  337.636441]  ? zap_class+0x640/0x640
[  337.640158]  ? pvclock_read_flags+0x160/0x160
[  337.644766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.650296]  ? check_preemption_disabled+0x48/0x280
[  337.655311]  ? __lock_is_held+0xb5/0x140
[  337.659370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.664933]  ? check_preemption_disabled+0x48/0x280
[  337.669951]  run_timer_softirq+0x52/0xb0
[  337.674098]  ? rcu_read_lock_sched_held+0x14f/0x180
[  337.679110]  __do_softirq+0x308/0xb7e
[  337.682914]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  337.687408]  ? lock_downgrade+0x900/0x900
[  337.691558]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  337.696663]  ? pvclock_read_flags+0x160/0x160
[  337.701165]  ? lapic_next_event+0x5a/0x90
[  337.705309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.710842]  ? kvm_clock_read+0x18/0x30
[  337.714806]  ? kvm_sched_clock_read+0x9/0x20
[  337.719209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.724740]  ? check_preemption_disabled+0x48/0x280
[  337.729763]  irq_exit+0x17f/0x1c0
[  337.733223]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.738075]  ? smp_reschedule_interrupt+0x109/0x650
[  337.743087]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.748963]  ? interrupt_entry+0xb5/0xc0
[  337.753019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.758030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.763059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.767898]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.772906]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.777919]  ? task_prio+0x50/0x50
[  337.781452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.787079]  ? check_preemption_disabled+0x48/0x280
[  337.792095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.796937]  apic_timer_interrupt+0xf/0x20
[  337.801160]  </IRQ>
[  337.803412] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.808356] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  337.827247] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.834949] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.842214] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  337.849475] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  337.856748] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.864010] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  337.871301]  skb_clone+0x1bb/0x500
[  337.874852]  ? finish_task_switch+0x2f4/0x910
[  337.879344]  ? skb_split+0x11e0/0x11e0
[  337.883227]  ? preempt_notifier_register+0x200/0x200
[  337.888319]  ? __switch_to_asm+0x34/0x70
[  337.892379]  ? __switch_to_asm+0x34/0x70
[  337.896430]  ? __switch_to_asm+0x40/0x70
[  337.900482]  ? __switch_to_asm+0x34/0x70
[  337.904533]  ? __switch_to_asm+0x40/0x70
[  337.908583]  ? __switch_to_asm+0x34/0x70
[  337.912632]  ? __switch_to_asm+0x40/0x70
[  337.916710]  ? __switch_to_asm+0x34/0x70
[  337.920761]  ? __switch_to_asm+0x34/0x70
[  337.924811]  ? __switch_to_asm+0x40/0x70
[  337.928863]  ? __switch_to_asm+0x34/0x70
[  337.932923]  bpf_clone_redirect+0xb9/0x490
[  337.937241]  ? __schedule+0x8d7/0x21d0
[  337.941127]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  337.946139]  ? __sched_text_start+0x8/0x8
[  337.950285]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  337.955042]  ? find_held_lock+0x36/0x1c0
[  337.959101]  ? lock_acquire+0x1ed/0x520
[  337.963064]  ? bpf_test_run+0x3ee/0x7a0
[  337.967035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.972564]  ? check_preemption_disabled+0x48/0x280
[  337.977594]  ? kasan_check_read+0x11/0x20
[  337.981738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.987031]  ? rcu_softirq_qs+0x20/0x20
[  337.991000]  ? preempt_schedule+0x4d/0x60
[  337.995147]  ? ___preempt_schedule+0x16/0x18
[  337.999570]  ? bpf_test_run+0x271/0x7a0
[  338.003546]  ? netlink_diag_dump+0x2a0/0x2a0
[  338.007969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.013496]  ? bpf_test_init.isra.10+0x70/0x100
[  338.018165]  ? bpf_prog_test_run_skb+0x762/0xd60
[  338.022924]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  338.027766]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.033296]  ? fput+0x130/0x1a0
[  338.036568]  ? __bpf_prog_get+0x9b/0x290
[  338.040623]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  338.045459]  ? bpf_prog_test_run+0x130/0x1a0
[  338.049861]  ? __x64_sys_bpf+0x3d8/0x520
[  338.054037]  ? bpf_prog_get+0x20/0x20
[  338.057854]  ? do_syscall_64+0x1b9/0x820
[  338.061908]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  338.067267]  ? syscall_return_slowpath+0x5e0/0x5e0
[  338.072191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.077045]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.082056]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  338.087064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.092595]  ? prepare_exit_to_usermode+0x291/0x3b0
[  338.097612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.102471]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  338.107933] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  338.108002] aoe: skb alloc failure
[  338.114776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.114781] Call Trace:
[  338.114799]  dump_stack+0x244/0x39d
[  338.114819]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.118357] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.127684]  warn_alloc.cold.116+0xb7/0x1bd
[  338.130233] syz-executor5 cpuset=syz5 mems_allowed=0
[  338.133846]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.163704]  ? lock_downgrade+0x900/0x900
[  338.167861]  ? trace_hardirqs_off+0xb8/0x310
[  338.172275]  ? trace_hardirqs_off+0xb8/0x310
[  338.176686]  __alloc_pages_slowpath+0x2651/0x2de0
[  338.181544]  ? warn_alloc+0x120/0x120
[  338.185347]  ? print_usage_bug+0xc0/0xc0
[  338.189405]  ? warn_alloc+0x120/0x120
[  338.193209]  ? warn_alloc+0x120/0x120
[  338.197004]  ? print_usage_bug+0xc0/0xc0
[  338.201064]  ? print_usage_bug+0xc0/0xc0
[  338.205122]  ? __lock_acquire+0x62f/0x4c20
[  338.209359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.214896]  ? should_fail+0x22d/0xd01
[  338.218783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.223885]  ? __lock_acquire+0x62f/0x4c20
[  338.228122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.233225]  ? __lock_acquire+0x62f/0x4c20
[  338.237450]  ? should_fail+0x22d/0xd01
[  338.241332]  ? find_held_lock+0x36/0x1c0
[  338.245398]  ? mark_held_locks+0x130/0x130
[  338.249641]  ? mark_held_locks+0x130/0x130
[  338.253877]  ? zap_class+0x640/0x640
[  338.257583]  ? zap_class+0x640/0x640
[  338.261299]  ? print_usage_bug+0xc0/0xc0
[  338.265351]  ? do_raw_spin_unlock+0xa7/0x330
[  338.269840]  ? zap_class+0x640/0x640
[  338.273544]  ? print_usage_bug+0xc0/0xc0
[  338.277599]  ? wq_watchdog_touch+0x9c/0xfe
[  338.281946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.287483]  ? check_preemption_disabled+0x48/0x280
[  338.292499]  ? __lock_is_held+0xb5/0x140
[  338.296559]  __alloc_pages_nodemask+0xad8/0xea0
[  338.301222]  ? zap_class+0x640/0x640
[  338.304937]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  338.309957]  ? find_held_lock+0x36/0x1c0
[  338.314023]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.318689]  ? lock_downgrade+0x900/0x900
[  338.322840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.328368]  cache_grow_begin+0xa5/0x8c0
[  338.332419]  ? do_raw_spin_unlock+0xa7/0x330
[  338.336828]  fallback_alloc+0x204/0x2e0
[  338.340800]  ____cache_alloc_node+0x1c7/0x1e0
[  338.345297]  kmem_cache_alloc_node+0xe3/0x730
[  338.349789]  ? ipv6_get_ifaddr+0x42e/0x620
[  338.354026]  __alloc_skb+0x119/0x770
[  338.357736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.363011]  ? netdev_alloc_frag+0x1f0/0x1f0
[  338.367414]  ? lock_downgrade+0x900/0x900
[  338.371560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.377089]  ? refcount_sub_and_test_checked+0x203/0x310
[  338.382551]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  338.387995]  ? addrconf_rs_timer+0x690/0x690
[  338.392408]  ndisc_alloc_skb+0x144/0x340
[  338.396463]  ndisc_send_rs+0x331/0x6e0
[  338.400349]  addrconf_rs_timer+0x314/0x690
[  338.404594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.408845]  call_timer_fn+0x272/0x920
[  338.412832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.417063]  ? process_timeout+0x40/0x40
[  338.421212]  ? __run_timers+0x7da/0xc70
[  338.425185]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.429678]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.434268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.438497]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.443072]  ? trace_hardirqs_on+0xbd/0x310
[  338.447386]  ? kasan_check_read+0x11/0x20
[  338.451523]  ? __run_timers+0x7da/0xc70
[  338.455849]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.460969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.465207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.469437]  __run_timers+0x7e5/0xc70
[  338.473244]  ? timer_fixup_init+0x70/0x70
[  338.477394]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.481879]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.486370]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.490948]  ? trace_hardirqs_on+0xbd/0x310
[  338.495266]  ? kasan_check_read+0x11/0x20
[  338.499409]  ? finish_task_switch+0x1f4/0x910
[  338.503900]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.508999]  ? compat_start_thread+0x80/0x80
[  338.513421]  ? pvclock_read_flags+0x160/0x160
[  338.517929]  ? __switch_to_asm+0x34/0x70
[  338.521990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.527525]  ? check_preemption_disabled+0x48/0x280
[  338.532541]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  338.538175]  ? rcu_pm_notify+0xc0/0xc0
[  338.542062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.547600]  ? check_preemption_disabled+0x48/0x280
[  338.552626]  run_timer_softirq+0x52/0xb0
[  338.556686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.561702]  __do_softirq+0x308/0xb7e
[  338.565504]  ? retint_kernel+0x2d/0x2d
[  338.569393]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  338.574500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  338.579944]  ? retint_kernel+0x2d/0x2d
[  338.583835]  ? schedule+0x108/0x460
[  338.587462]  ? trace_hardirqs_off+0xb8/0x310
[  338.591865]  ? smpboot_thread_fn+0x68b/0xa00
[  338.596272]  ? trace_hardirqs_on+0x310/0x310
[  338.600678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.606209]  ? check_preemption_disabled+0x48/0x280
[  338.611223]  ? takeover_tasklets+0xa90/0xa90
[  338.615648]  run_ksoftirqd+0x5e/0x100
[  338.619440]  smpboot_thread_fn+0x68b/0xa00
[  338.624008]  ? sort_range+0x30/0x30
[  338.627634]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.632741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.638277]  ? __kthread_parkme+0xfb/0x1a0
[  338.642526]  ? sort_range+0x30/0x30
[  338.646164]  kthread+0x35a/0x440
[  338.649525]  ? kthread_stop+0x900/0x900
[  338.653506]  ret_from_fork+0x3a/0x50
[  338.657244] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  338.657248] warn_alloc_show_mem: 1 callbacks suppressed
[  338.657254] Mem-Info:
[  338.664691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.664698] Call Trace:
[  338.670060] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  338.670060]  active_file:17 inactive_file:17 isolated_file:0
[  338.670060]  unevictable:0 dirty:0 writeback:0 unstable:0
[  338.670060]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  338.670060]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  338.670060]  free:13768 free_pcp:279 free_cma:0
[  338.672444]  <IRQ>
[  338.681799] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  338.684367]  dump_stack+0x244/0x39d
[  338.717388] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  338.719543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.747283] lowmem_reserve[]: 0 2818 6321 6321
[  338.750917]  warn_alloc.cold.116+0xb7/0x1bd
[  338.776984] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  338.782165]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.786824] lowmem_reserve[]: 0 0 3503 3503
[  338.791145]  ? lock_downgrade+0x900/0x900
[  338.818613] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  338.823461]  ? trace_hardirqs_off+0xb8/0x310
[  338.827754] lowmem_reserve[]: 0 0 0 0
[  338.831896]  ? trace_hardirqs_off+0xb8/0x310
[  338.860846] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  338.865253]  __alloc_pages_slowpath+0x2651/0x2de0
[  338.869021] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  338.873437]  ? warn_alloc+0x120/0x120
[  338.886915] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  338.891755]  ? warn_alloc+0x120/0x120
[  338.906906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  338.910691]  ? __lock_acquire+0x62f/0x4c20
[  338.925415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  338.929195]  ? warn_alloc+0x120/0x120
[  338.938003] 1758 total pagecache pages
[  338.942223]  ? print_usage_bug+0xc0/0xc0
[  338.950774] 0 pages in swap cache
[  338.954565]  ? print_usage_bug+0xc0/0xc0
[  338.958427] Swap cache stats: add 0, delete 0, find 0/0
[  338.962469]  ? mark_held_locks+0x130/0x130
[  338.965897] Free swap  = 0kB
[  338.969944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.975274] Total swap = 0kB
[  338.979599]  ? should_fail+0x22d/0xd01
[  338.982587] 1965979 pages RAM
[  338.988101]  ? zap_class+0x640/0x640
[  338.988118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.991115] 0 pages HighMem/MovableOnly
[  338.994988]  ? __lock_acquire+0x62f/0x4c20
[  338.998058] 342853 pages reserved
[  338.998065] 0 pages cma reserved
[  339.001768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.006911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.010796]  ? should_fail+0x22d/0xd01
[  339.010825]  ? mark_held_locks+0x130/0x130
[  339.015087] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.018470]  ? mark_held_locks+0x130/0x130
[  339.021810] ksoftirqd/0 cpuset=/ mems_allowed=0
[  339.026900]  ? lock_downgrade+0x900/0x900
[  339.064741]  ? zap_class+0x640/0x640
[  339.068449]  ? zap_class+0x640/0x640
[  339.072160]  ? zap_class+0x640/0x640
[  339.075970]  ? do_raw_spin_unlock+0xa7/0x330
[  339.080376]  ? trace_hardirqs_on+0x310/0x310
[  339.084784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.090320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.095959]  ? check_preemption_disabled+0x48/0x280
[  339.100977]  ? __lock_is_held+0xb5/0x140
[  339.105038]  __alloc_pages_nodemask+0xad8/0xea0
[  339.109704]  ? zap_class+0x640/0x640
[  339.113418]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  339.118435]  ? find_held_lock+0x36/0x1c0
[  339.122499]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.127175]  ? lock_downgrade+0x900/0x900
[  339.131327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.136863]  cache_grow_begin+0xa5/0x8c0
[  339.140919]  ? do_raw_spin_unlock+0xa7/0x330
[  339.145329]  fallback_alloc+0x204/0x2e0
[  339.149305]  ____cache_alloc_node+0x1c7/0x1e0
[  339.153812]  kmem_cache_alloc_node+0xe3/0x730
[  339.158302]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.162894]  __alloc_skb+0x119/0x770
[  339.166614]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  339.171974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.176382]  ? vprintk_default+0x28/0x30
[  339.180437]  ? vprintk_func+0x85/0x181
[  339.184323]  ? printk+0xa7/0xcf
[  339.187599]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  339.192544]  new_skb+0x26/0x1c0
[  339.195823]  aoecmd_cfg+0x279/0x7f0
[  339.199446]  ? find_held_lock+0x36/0x1c0
[  339.203506]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  339.207839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.213382]  ? __lock_is_held+0xb5/0x140
[  339.217444]  discover_timer+0x50/0x60
[  339.221236]  call_timer_fn+0x272/0x920
[  339.225120]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.229955]  ? process_timeout+0x40/0x40
[  339.234193]  ? __run_timers+0x7da/0xc70
[  339.238168]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.242654]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.247144]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.251994]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.256571]  ? trace_hardirqs_on+0xbd/0x310
[  339.260889]  ? kasan_check_read+0x11/0x20
[  339.265032]  ? __run_timers+0x7da/0xc70
[  339.269005]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.274215]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.279074]  __run_timers+0x7e5/0xc70
[  339.282876]  ? timer_fixup_init+0x70/0x70
[  339.287023]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  339.292036]  ? zap_class+0x640/0x640
[  339.295752]  ? enqueue_hrtimer+0x1a5/0x560
[  339.299985]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  339.305288]  ? find_held_lock+0x36/0x1c0
[  339.309349]  ? zap_class+0x640/0x640
[  339.313066]  ? pvclock_read_flags+0x160/0x160
[  339.317559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.323095]  ? check_preemption_disabled+0x48/0x280
[  339.328112]  ? __lock_is_held+0xb5/0x140
[  339.332289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.337821]  ? check_preemption_disabled+0x48/0x280
[  339.342946]  run_timer_softirq+0x52/0xb0
[  339.347001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.352011]  __do_softirq+0x308/0xb7e
[  339.355826]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.360314]  ? lock_downgrade+0x900/0x900
[  339.364458]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.369563]  ? pvclock_read_flags+0x160/0x160
[  339.374064]  ? lapic_next_event+0x5a/0x90
[  339.378207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.383853]  ? kvm_clock_read+0x18/0x30
[  339.387824]  ? kvm_sched_clock_read+0x9/0x20
[  339.392239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.397774]  ? check_preemption_disabled+0x48/0x280
[  339.402803]  irq_exit+0x17f/0x1c0
[  339.406251]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.411084]  ? smp_reschedule_interrupt+0x109/0x650
[  339.416094]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.421970]  ? interrupt_entry+0xb5/0xc0
[  339.426041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.431050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.436064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.440905]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.445912]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.450925]  ? task_prio+0x50/0x50
[  339.454460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.459993]  ? check_preemption_disabled+0x48/0x280
[  339.465004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.469881]  apic_timer_interrupt+0xf/0x20
[  339.474105]  </IRQ>
[  339.476341] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.481277] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  339.500170] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  339.507868] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.515128] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  339.522476] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  339.529916] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.537187] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  339.544510]  skb_clone+0x1bb/0x500
[  339.548052]  ? finish_task_switch+0x2f4/0x910
[  339.552540]  ? skb_split+0x11e0/0x11e0
[  339.556425]  ? preempt_notifier_register+0x200/0x200
[  339.561558]  ? __switch_to_asm+0x34/0x70
[  339.565618]  ? __switch_to_asm+0x34/0x70
[  339.569669]  ? __switch_to_asm+0x40/0x70
[  339.573718]  ? __switch_to_asm+0x34/0x70
[  339.577765]  ? __switch_to_asm+0x40/0x70
[  339.581821]  ? __switch_to_asm+0x34/0x70
[  339.585869]  ? __switch_to_asm+0x40/0x70
[  339.589918]  ? __switch_to_asm+0x34/0x70
[  339.593970]  ? __switch_to_asm+0x34/0x70
[  339.598028]  ? __switch_to_asm+0x40/0x70
[  339.602081]  ? __switch_to_asm+0x34/0x70
[  339.606141]  bpf_clone_redirect+0xb9/0x490
[  339.610371]  ? __schedule+0x8d7/0x21d0
[  339.614257]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  339.619266]  ? __sched_text_start+0x8/0x8
[  339.623406]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.628162]  ? find_held_lock+0x36/0x1c0
[  339.632219]  ? lock_acquire+0x1ed/0x520
[  339.636189]  ? bpf_test_run+0x3ee/0x7a0
[  339.640168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.645701]  ? check_preemption_disabled+0x48/0x280
[  339.650715]  ? kasan_check_read+0x11/0x20
[  339.654853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.660117]  ? rcu_softirq_qs+0x20/0x20
[  339.664085]  ? preempt_schedule+0x4d/0x60
[  339.668226]  ? ___preempt_schedule+0x16/0x18
[  339.672643]  ? bpf_test_run+0x271/0x7a0
[  339.676643]  ? netlink_diag_dump+0x2a0/0x2a0
[  339.681044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.686575]  ? bpf_test_init.isra.10+0x70/0x100
[  339.691242]  ? bpf_prog_test_run_skb+0x762/0xd60
[  339.695996]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.700838]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  339.706367]  ? fput+0x130/0x1a0
[  339.709644]  ? __bpf_prog_get+0x9b/0x290
[  339.713702]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.718650]  ? bpf_prog_test_run+0x130/0x1a0
[  339.723182]  ? __x64_sys_bpf+0x3d8/0x520
[  339.727237]  ? bpf_prog_get+0x20/0x20
[  339.731053]  ? do_syscall_64+0x1b9/0x820
[  339.735109]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  339.740468]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.745398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.750233]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.755248]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  339.760262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.765796]  ? prepare_exit_to_usermode+0x291/0x3b0
[  339.770817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.775663]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  339.781041] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  339.781109] aoe: skb alloc failure
[  339.787879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.787886] Call Trace:
[  339.791455] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.800745]  dump_stack+0x244/0x39d
[  339.803296] syz-executor5 cpuset=syz5 mems_allowed=0
[  339.813770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.827646]  warn_alloc.cold.116+0xb7/0x1bd
[  339.832069]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.836908]  ? lock_downgrade+0x900/0x900
[  339.841067]  ? trace_hardirqs_off+0xb8/0x310
[  339.845470]  ? trace_hardirqs_off+0xb8/0x310
[  339.849887]  __alloc_pages_slowpath+0x2651/0x2de0
[  339.854768]  ? warn_alloc+0x120/0x120
[  339.858560]  ? print_usage_bug+0xc0/0xc0
[  339.862621]  ? warn_alloc+0x120/0x120
[  339.866413]  ? warn_alloc+0x120/0x120
[  339.870202]  ? print_usage_bug+0xc0/0xc0
[  339.874262]  ? print_usage_bug+0xc0/0xc0
[  339.878317]  ? __lock_acquire+0x62f/0x4c20
[  339.882546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.888076]  ? should_fail+0x22d/0xd01
[  339.891958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.897057]  ? __lock_acquire+0x62f/0x4c20
[  339.901287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.906399]  ? __lock_acquire+0x62f/0x4c20
[  339.910625]  ? should_fail+0x22d/0xd01
[  339.914528]  ? find_held_lock+0x36/0x1c0
[  339.918588]  ? mark_held_locks+0x130/0x130
[  339.922834]  ? mark_held_locks+0x130/0x130
[  339.927061]  ? zap_class+0x640/0x640
[  339.930779]  ? zap_class+0x640/0x640
[  339.934493]  ? print_usage_bug+0xc0/0xc0
[  339.938651]  ? do_raw_spin_unlock+0xa7/0x330
[  339.943051]  ? zap_class+0x640/0x640
[  339.946757]  ? print_usage_bug+0xc0/0xc0
[  339.950819]  ? wq_watchdog_touch+0x9c/0xfe
[  339.955048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.960581]  ? check_preemption_disabled+0x48/0x280
[  339.965599]  ? __lock_is_held+0xb5/0x140
[  339.969660]  __alloc_pages_nodemask+0xad8/0xea0
[  339.974320]  ? zap_class+0x640/0x640
[  339.978043]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  339.983062]  ? find_held_lock+0x36/0x1c0
[  339.987126]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.991794]  ? lock_downgrade+0x900/0x900
[  339.995944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.001491]  cache_grow_begin+0xa5/0x8c0
[  340.005543]  ? do_raw_spin_unlock+0xa7/0x330
[  340.009951]  fallback_alloc+0x204/0x2e0
[  340.013923]  ____cache_alloc_node+0x1c7/0x1e0
[  340.018418]  kmem_cache_alloc_node+0xe3/0x730
[  340.022911]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.027149]  __alloc_skb+0x119/0x770
[  340.030854]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.036127]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.040528]  ? lock_downgrade+0x900/0x900
[  340.044676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.050208]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.055760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.061201]  ? addrconf_rs_timer+0x690/0x690
[  340.065608]  ndisc_alloc_skb+0x144/0x340
[  340.069660]  ndisc_send_rs+0x331/0x6e0
[  340.073559]  addrconf_rs_timer+0x314/0x690
[  340.077804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.082042]  call_timer_fn+0x272/0x920
[  340.085926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.090149]  ? process_timeout+0x40/0x40
[  340.094206]  ? __run_timers+0x7da/0xc70
[  340.098173]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.102662]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.107161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.111390]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.115983]  ? trace_hardirqs_on+0xbd/0x310
[  340.120298]  ? kasan_check_read+0x11/0x20
[  340.124438]  ? __run_timers+0x7da/0xc70
[  340.128422]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.133536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.137769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.141997]  __run_timers+0x7e5/0xc70
[  340.145807]  ? timer_fixup_init+0x70/0x70
[  340.149941]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.154422]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.158922]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.163497]  ? trace_hardirqs_on+0xbd/0x310
[  340.167811]  ? kasan_check_read+0x11/0x20
[  340.171955]  ? finish_task_switch+0x1f4/0x910
[  340.176460]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.181558]  ? compat_start_thread+0x80/0x80
[  340.185973]  ? pvclock_read_flags+0x160/0x160
[  340.190481]  ? __switch_to_asm+0x34/0x70
[  340.194654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.200188]  ? check_preemption_disabled+0x48/0x280
[  340.205207]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  340.210740]  ? rcu_pm_notify+0xc0/0xc0
[  340.214635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.220163]  ? check_preemption_disabled+0x48/0x280
[  340.225171]  run_timer_softirq+0x52/0xb0
[  340.229240]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.234249]  __do_softirq+0x308/0xb7e
[  340.238042]  ? retint_kernel+0x2d/0x2d
[  340.241928]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.247023]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  340.252473]  ? retint_kernel+0x2d/0x2d
[  340.256390]  ? schedule+0x108/0x460
[  340.260035]  ? trace_hardirqs_off+0xb8/0x310
[  340.264445]  ? smpboot_thread_fn+0x68b/0xa00
[  340.268881]  ? trace_hardirqs_on+0x310/0x310
[  340.273283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.278815]  ? check_preemption_disabled+0x48/0x280
[  340.283838]  ? takeover_tasklets+0xa90/0xa90
[  340.288240]  run_ksoftirqd+0x5e/0x100
[  340.292046]  smpboot_thread_fn+0x68b/0xa00
[  340.296277]  ? sort_range+0x30/0x30
[  340.299898]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  340.304994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.310521]  ? __kthread_parkme+0xfb/0x1a0
[  340.314747]  ? sort_range+0x30/0x30
[  340.318366]  kthread+0x35a/0x440
[  340.321736]  ? kthread_stop+0x900/0x900
[  340.325699]  ret_from_fork+0x3a/0x50
[  340.329535] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  340.329540] warn_alloc_show_mem: 1 callbacks suppressed
[  340.329546] Mem-Info:
[  340.336893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.342250] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  340.342250]  active_file:17 inactive_file:17 isolated_file:0
[  340.342250]  unevictable:0 dirty:0 writeback:0 unstable:0
[  340.342250]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  340.342250]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  340.342250]  free:13768 free_pcp:279 free_cma:0
[  340.344620] Call Trace:
[  340.354007] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  340.387018]  <IRQ>
[  340.389582] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  340.417245]  dump_stack+0x244/0x39d
[  340.419375] lowmem_reserve[]: 0 2818 6321 6321
[  340.445469]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.449066] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  340.453642]  warn_alloc.cold.116+0xb7/0x1bd
[  340.459297] lowmem_reserve[]: 0 0 3503 3503
[  340.486718]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.490998] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  340.495310]  ? lock_downgrade+0x900/0x900
[  340.500118] lowmem_reserve[]: 0 0 0 0
[  340.529082]  ? trace_hardirqs_off+0xb8/0x310
[  340.533194] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  340.536987]  ? trace_hardirqs_off+0xb8/0x310
[  340.541363] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  340.554874]  __alloc_pages_slowpath+0x2651/0x2de0
[  340.559247] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  340.574433]  ? warn_alloc+0x120/0x120
[  340.579235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  340.594041]  ? warn_alloc+0x120/0x120
[  340.597928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  340.597936] 1758 total pagecache pages
[  340.606844]  ? warn_alloc+0x120/0x120
[  340.610622] 0 pages in swap cache
[  340.619176]  ? print_usage_bug+0xc0/0xc0
[  340.623138] Swap cache stats: add 0, delete 0, find 0/0
[  340.623146] Free swap  = 0kB
[  340.626944]  ? print_usage_bug+0xc0/0xc0
[  340.630370] Total swap = 0kB
[  340.634435]  ? ktime_get+0x2c1/0x400
[  340.639764] 1965979 pages RAM
[  340.642774]  ? check_preemption_disabled+0x48/0x280
[  340.646796] 0 pages HighMem/MovableOnly
[  340.646804] 342853 pages reserved
[  340.649807]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  340.653505] 0 pages cma reserved
[  340.656617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.661670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.665557]  ? should_fail+0x22d/0xd01
[  340.669057] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.673470]  ? kasan_check_read+0x11/0x20
[  340.676808] ksoftirqd/0 cpuset=/ mems_allowed=0
[  340.682333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.716825]  ? __lock_acquire+0x62f/0x4c20
[  340.721056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.726152]  ? should_fail+0x22d/0xd01
[  340.730038]  ? print_usage_bug+0xc0/0xc0
[  340.734102]  ? mark_held_locks+0x130/0x130
[  340.738339]  ? mark_held_locks+0x130/0x130
[  340.742568]  ? check_preemption_disabled+0x48/0x280
[  340.747584]  ? zap_class+0x640/0x640
[  340.751294]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  340.756161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.761698]  ? check_preemption_disabled+0x48/0x280
[  340.766722]  ? __lock_is_held+0xb5/0x140
[  340.770786]  __alloc_pages_nodemask+0xad8/0xea0
[  340.775449]  ? zap_class+0x640/0x640
[  340.779168]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  340.784188]  ? find_held_lock+0x36/0x1c0
[  340.788254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.792928]  ? lock_downgrade+0x900/0x900
[  340.797078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.802614]  cache_grow_begin+0xa5/0x8c0
[  340.806676]  ? do_raw_spin_unlock+0xa7/0x330
[  340.811086]  fallback_alloc+0x204/0x2e0
[  340.815059]  ____cache_alloc_node+0x1c7/0x1e0
[  340.819553]  kmem_cache_alloc_node+0xe3/0x730
[  340.824047]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.828634]  __alloc_skb+0x119/0x770
[  340.832343]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  340.837708]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.842118]  ? vprintk_default+0x28/0x30
[  340.846175]  ? vprintk_func+0x85/0x181
[  340.850057]  ? printk+0xa7/0xcf
[  340.853346]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  340.858105]  new_skb+0x26/0x1c0
[  340.861377]  aoecmd_cfg+0x279/0x7f0
[  340.865009]  ? find_held_lock+0x36/0x1c0
[  340.869068]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  340.873401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.878943]  ? __lock_is_held+0xb5/0x140
[  340.883008]  discover_timer+0x50/0x60
[  340.886804]  call_timer_fn+0x272/0x920
[  340.890789]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.895626]  ? process_timeout+0x40/0x40
[  340.899689]  ? __run_timers+0x7da/0xc70
[  340.903670]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.908158]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.912665]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.917502]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.922077]  ? trace_hardirqs_on+0xbd/0x310
[  340.926415]  ? kasan_check_read+0x11/0x20
[  340.930557]  ? __run_timers+0x7da/0xc70
[  340.934539]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.939661]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.944499]  __run_timers+0x7e5/0xc70
[  340.948314]  ? timer_fixup_init+0x70/0x70
[  340.952457]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.957471]  ? zap_class+0x640/0x640
[  340.961184]  ? enqueue_hrtimer+0x1a5/0x560
[  340.965418]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.970633]  ? find_held_lock+0x36/0x1c0
[  340.974695]  ? zap_class+0x640/0x640
[  340.978410]  ? pvclock_read_flags+0x160/0x160
[  340.982905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.988440]  ? check_preemption_disabled+0x48/0x280
[  340.993460]  ? __lock_is_held+0xb5/0x140
[  340.997514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.003045]  ? check_preemption_disabled+0x48/0x280
[  341.008059]  run_timer_softirq+0x52/0xb0
[  341.012118]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.017131]  __do_softirq+0x308/0xb7e
[  341.020931]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.025419]  ? lock_downgrade+0x900/0x900
[  341.029565]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.034668]  ? pvclock_read_flags+0x160/0x160
[  341.039165]  ? lapic_next_event+0x5a/0x90
[  341.043307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.048947]  ? kvm_clock_read+0x18/0x30
[  341.052913]  ? kvm_sched_clock_read+0x9/0x20
[  341.057319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.062852]  ? check_preemption_disabled+0x48/0x280
[  341.067873]  irq_exit+0x17f/0x1c0
[  341.071327]  smp_apic_timer_interrupt+0x1cb/0x760
[  341.076177]  ? smp_reschedule_interrupt+0x109/0x650
[  341.081185]  ? smp_call_function_single_interrupt+0x650/0x650
[  341.087059]  ? interrupt_entry+0xb5/0xc0
[  341.091116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.096129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.101142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.105989]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.110996]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.116029]  ? task_prio+0x50/0x50
[  341.119571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.125102]  ? check_preemption_disabled+0x48/0x280
[  341.130115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.134970]  apic_timer_interrupt+0xf/0x20
[  341.139280]  </IRQ>
[  341.141513] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  341.146438] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  341.165329] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  341.173036] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  341.180415] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  341.187676] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  341.194960] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  341.202224] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  341.209531]  skb_clone+0x1bb/0x500
[  341.213065]  ? finish_task_switch+0x2f4/0x910
[  341.217555]  ? skb_split+0x11e0/0x11e0
[  341.221441]  ? preempt_notifier_register+0x200/0x200
[  341.226550]  ? __switch_to_asm+0x34/0x70
[  341.230605]  ? __switch_to_asm+0x34/0x70
[  341.234659]  ? __switch_to_asm+0x40/0x70
[  341.238717]  ? __switch_to_asm+0x34/0x70
[  341.242772]  ? __switch_to_asm+0x40/0x70
[  341.246825]  ? __switch_to_asm+0x34/0x70
[  341.250882]  ? __switch_to_asm+0x40/0x70
[  341.254935]  ? __switch_to_asm+0x34/0x70
[  341.259002]  ? __switch_to_asm+0x34/0x70
[  341.263056]  ? __switch_to_asm+0x40/0x70
[  341.267113]  ? __switch_to_asm+0x34/0x70
[  341.271174]  bpf_clone_redirect+0xb9/0x490
[  341.275416]  ? __schedule+0x8d7/0x21d0
[  341.279306]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  341.284320]  ? __sched_text_start+0x8/0x8
[  341.288467]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.293228]  ? find_held_lock+0x36/0x1c0
[  341.297291]  ? lock_acquire+0x1ed/0x520
[  341.301263]  ? bpf_test_run+0x3ee/0x7a0
[  341.305231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.310766]  ? check_preemption_disabled+0x48/0x280
[  341.315785]  ? kasan_check_read+0x11/0x20
[  341.319929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.325204]  ? rcu_softirq_qs+0x20/0x20
[  341.329178]  ? preempt_schedule+0x4d/0x60
[  341.333318]  ? ___preempt_schedule+0x16/0x18
[  341.337732]  ? bpf_test_run+0x271/0x7a0
[  341.341715]  ? netlink_diag_dump+0x2a0/0x2a0
[  341.346123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.351657]  ? bpf_test_init.isra.10+0x70/0x100
[  341.356324]  ? bpf_prog_test_run_skb+0x762/0xd60
[  341.361091]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.365937]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  341.371470]  ? fput+0x130/0x1a0
[  341.374746]  ? __bpf_prog_get+0x9b/0x290
[  341.378804]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.383643]  ? bpf_prog_test_run+0x130/0x1a0
[  341.388051]  ? __x64_sys_bpf+0x3d8/0x520
[  341.392106]  ? bpf_prog_get+0x20/0x20
[  341.396007]  ? do_syscall_64+0x1b9/0x820
[  341.400076]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  341.405436]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.410445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.415285]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.420298]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  341.425324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.430874]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.435890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.440733]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  341.446112] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  341.446181] aoe: skb alloc failure
[  341.452951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.452956] Call Trace:
[  341.452975]  dump_stack+0x244/0x39d
[  341.452996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.456536] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.465862]  warn_alloc.cold.116+0xb7/0x1bd
[  341.468415] syz-executor5 cpuset=syz5 mems_allowed=0
[  341.472027]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.501867]  ? lock_downgrade+0x900/0x900
[  341.506017]  ? trace_hardirqs_off+0xb8/0x310
[  341.510427]  ? trace_hardirqs_off+0xb8/0x310
[  341.514840]  __alloc_pages_slowpath+0x2651/0x2de0
[  341.519704]  ? warn_alloc+0x120/0x120
[  341.523503]  ? print_usage_bug+0xc0/0xc0
[  341.527557]  ? warn_alloc+0x120/0x120
[  341.531367]  ? warn_alloc+0x120/0x120
[  341.535164]  ? print_usage_bug+0xc0/0xc0
[  341.539224]  ? print_usage_bug+0xc0/0xc0
[  341.543278]  ? __lock_acquire+0x62f/0x4c20
[  341.547539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.553074]  ? should_fail+0x22d/0xd01
[  341.556979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.562078]  ? __lock_acquire+0x62f/0x4c20
[  341.566312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.571420]  ? __lock_acquire+0x62f/0x4c20
[  341.575648]  ? should_fail+0x22d/0xd01
[  341.579533]  ? find_held_lock+0x36/0x1c0
[  341.583598]  ? mark_held_locks+0x130/0x130
[  341.587831]  ? mark_held_locks+0x130/0x130
[  341.592063]  ? zap_class+0x640/0x640
[  341.595773]  ? zap_class+0x640/0x640
[  341.599485]  ? print_usage_bug+0xc0/0xc0
[  341.603547]  ? do_raw_spin_unlock+0xa7/0x330
[  341.607948]  ? zap_class+0x640/0x640
[  341.611660]  ? print_usage_bug+0xc0/0xc0
[  341.615715]  ? wq_watchdog_touch+0x9c/0xfe
[  341.619950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.625503]  ? check_preemption_disabled+0x48/0x280
[  341.630525]  ? __lock_is_held+0xb5/0x140
[  341.634590]  __alloc_pages_nodemask+0xad8/0xea0
[  341.639257]  ? zap_class+0x640/0x640
[  341.642967]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  341.647991]  ? find_held_lock+0x36/0x1c0
[  341.652062]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.656726]  ? lock_downgrade+0x900/0x900
[  341.660896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.666432]  cache_grow_begin+0xa5/0x8c0
[  341.670485]  ? do_raw_spin_unlock+0xa7/0x330
[  341.674906]  fallback_alloc+0x204/0x2e0
[  341.678886]  ____cache_alloc_node+0x1c7/0x1e0
[  341.683381]  kmem_cache_alloc_node+0xe3/0x730
[  341.687873]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.692113]  __alloc_skb+0x119/0x770
[  341.695826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.701099]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.705517]  ? lock_downgrade+0x900/0x900
[  341.709666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.715199]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.720648]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.726094]  ? addrconf_rs_timer+0x690/0x690
[  341.730512]  ndisc_alloc_skb+0x144/0x340
[  341.734572]  ndisc_send_rs+0x331/0x6e0
[  341.738462]  addrconf_rs_timer+0x314/0x690
[  341.742697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.746937]  call_timer_fn+0x272/0x920
[  341.750818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.755045]  ? process_timeout+0x40/0x40
[  341.759108]  ? __run_timers+0x7da/0xc70
[  341.763078]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.767567]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.772054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.776287]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.780878]  ? trace_hardirqs_on+0xbd/0x310
[  341.785192]  ? kasan_check_read+0x11/0x20
[  341.789351]  ? __run_timers+0x7da/0xc70
[  341.793341]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.798444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.802681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.806911]  __run_timers+0x7e5/0xc70
[  341.810712]  ? timer_fixup_init+0x70/0x70
[  341.814853]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.819345]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.823837]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.828419]  ? trace_hardirqs_on+0xbd/0x310
[  341.832739]  ? kasan_check_read+0x11/0x20
[  341.836886]  ? finish_task_switch+0x1f4/0x910
[  341.841377]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.846475]  ? compat_start_thread+0x80/0x80
[  341.850898]  ? pvclock_read_flags+0x160/0x160
[  341.855384]  ? __switch_to_asm+0x34/0x70
[  341.859443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.864993]  ? check_preemption_disabled+0x48/0x280
[  341.870014]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  341.875545]  ? rcu_pm_notify+0xc0/0xc0
[  341.879429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.884966]  ? check_preemption_disabled+0x48/0x280
[  341.889984]  run_timer_softirq+0x52/0xb0
[  341.894040]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.899054]  __do_softirq+0x308/0xb7e
[  341.902850]  ? retint_kernel+0x2d/0x2d
[  341.906734]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.911834]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.917275]  ? retint_kernel+0x2d/0x2d
[  341.921176]  ? schedule+0x108/0x460
[  341.924812]  ? trace_hardirqs_off+0xb8/0x310
[  341.929333]  ? smpboot_thread_fn+0x68b/0xa00
[  341.933744]  ? trace_hardirqs_on+0x310/0x310
[  341.938146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.943679]  ? check_preemption_disabled+0x48/0x280
[  341.948696]  ? takeover_tasklets+0xa90/0xa90
[  341.953102]  run_ksoftirqd+0x5e/0x100
[  341.956896]  smpboot_thread_fn+0x68b/0xa00
[  341.961132]  ? sort_range+0x30/0x30
[  341.964757]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  341.969858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.975477]  ? __kthread_parkme+0xfb/0x1a0
[  341.979708]  ? sort_range+0x30/0x30
[  341.983332]  kthread+0x35a/0x440
[  341.986697]  ? kthread_stop+0x900/0x900
[  341.990669]  ret_from_fork+0x3a/0x50
[  341.994396] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  341.994401] warn_alloc_show_mem: 1 callbacks suppressed
[  341.994407] Mem-Info:
[  342.001762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.007123] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  342.007123]  active_file:17 inactive_file:17 isolated_file:0
[  342.007123]  unevictable:0 dirty:0 writeback:0 unstable:0
[  342.007123]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  342.007123]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  342.007123]  free:13768 free_pcp:279 free_cma:0
[  342.009492] Call Trace:
[  342.018865] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  342.051886]  <IRQ>
[  342.054462] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  342.082126]  dump_stack+0x244/0x39d
[  342.084247] lowmem_reserve[]: 0 2818 6321 6321
[  342.110355]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.113951] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  342.118532]  warn_alloc.cold.116+0xb7/0x1bd
[  342.123684] lowmem_reserve[]: 0 0 3503 3503
[  342.151084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.155377] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  342.159692]  ? lock_downgrade+0x900/0x900
[  342.164502] lowmem_reserve[]: 0 0 0 0
[  342.193482]  ? trace_hardirqs_off+0xb8/0x310
[  342.197597] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  342.201391]  ? trace_hardirqs_off+0xb8/0x310
[  342.205766] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  342.219296]  __alloc_pages_slowpath+0x2651/0x2de0
[  342.223677] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  342.238873]  ? warn_alloc+0x120/0x120
[  342.243678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  342.258403]  ? warn_alloc+0x120/0x120
[  342.262181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  342.271004]  ? __lock_acquire+0x62f/0x4c20
[  342.274782] 1758 total pagecache pages
[  342.283343]  ? warn_alloc+0x120/0x120
[  342.287557] 0 pages in swap cache
[  342.291427]  ? print_usage_bug+0xc0/0xc0
[  342.295203] Swap cache stats: add 0, delete 0, find 0/0
[  342.298638]  ? print_usage_bug+0xc0/0xc0
[  342.302671] Free swap  = 0kB
[  342.308038]  ? mark_held_locks+0x130/0x130
[  342.312067] Total swap = 0kB
[  342.315075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.319394] 1965979 pages RAM
[  342.322399]  ? should_fail+0x22d/0xd01
[  342.327901] 0 pages HighMem/MovableOnly
[  342.327908] 342853 pages reserved
[  342.330998]  ? zap_class+0x640/0x640
[  342.334856] 0 pages cma reserved
[  342.338815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.342345] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.345960]  ? __lock_acquire+0x62f/0x4c20
[  342.349392] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.354404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.360865] ksoftirqd/0 cpuset=/ mems_allowed=0
[  342.365087]  ? should_fail+0x22d/0xd01
[  342.388987]  ? mark_held_locks+0x130/0x130
[  342.393341]  ? mark_held_locks+0x130/0x130
[  342.397596]  ? lock_downgrade+0x900/0x900
[  342.401742]  ? zap_class+0x640/0x640
[  342.405454]  ? zap_class+0x640/0x640
[  342.409175]  ? zap_class+0x640/0x640
[  342.412886]  ? do_raw_spin_unlock+0xa7/0x330
[  342.417294]  ? trace_hardirqs_on+0x310/0x310
[  342.421700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.427231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.432776]  ? check_preemption_disabled+0x48/0x280
[  342.437796]  ? __lock_is_held+0xb5/0x140
[  342.441858]  __alloc_pages_nodemask+0xad8/0xea0
[  342.446523]  ? zap_class+0x640/0x640
[  342.450235]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  342.455495]  ? find_held_lock+0x36/0x1c0
[  342.459565]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.464234]  ? lock_downgrade+0x900/0x900
[  342.468402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.473945]  cache_grow_begin+0xa5/0x8c0
[  342.478003]  ? do_raw_spin_unlock+0xa7/0x330
[  342.482410]  fallback_alloc+0x204/0x2e0
[  342.486386]  ____cache_alloc_node+0x1c7/0x1e0
[  342.490881]  kmem_cache_alloc_node+0xe3/0x730
[  342.495372]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.499968]  __alloc_skb+0x119/0x770
[  342.503676]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  342.509039]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.513449]  ? vprintk_default+0x28/0x30
[  342.517526]  ? vprintk_func+0x85/0x181
[  342.521410]  ? printk+0xa7/0xcf
[  342.524683]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  342.529445]  new_skb+0x26/0x1c0
[  342.532719]  aoecmd_cfg+0x279/0x7f0
[  342.536344]  ? find_held_lock+0x36/0x1c0
[  342.540404]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  342.544741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.550291]  ? __lock_is_held+0xb5/0x140
[  342.554362]  discover_timer+0x50/0x60
[  342.558158]  call_timer_fn+0x272/0x920
[  342.562039]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  342.566880]  ? process_timeout+0x40/0x40
[  342.570941]  ? __run_timers+0x7da/0xc70
[  342.574912]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.579400]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.583890]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  342.588726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.593314]  ? trace_hardirqs_on+0xbd/0x310
[  342.597630]  ? kasan_check_read+0x11/0x20
[  342.601773]  ? __run_timers+0x7da/0xc70
[  342.605747]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.610865]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  342.615788]  __run_timers+0x7e5/0xc70
[  342.619592]  ? timer_fixup_init+0x70/0x70
[  342.624208]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.629349]  ? zap_class+0x640/0x640
[  342.633062]  ? enqueue_hrtimer+0x1a5/0x560
[  342.637298]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.642490]  ? find_held_lock+0x36/0x1c0
[  342.646560]  ? zap_class+0x640/0x640
[  342.650278]  ? pvclock_read_flags+0x160/0x160
[  342.654773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.660310]  ? check_preemption_disabled+0x48/0x280
[  342.665331]  ? __lock_is_held+0xb5/0x140
[  342.669392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.674925]  ? check_preemption_disabled+0x48/0x280
[  342.679944]  run_timer_softirq+0x52/0xb0
[  342.684001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.689012]  __do_softirq+0x308/0xb7e
[  342.692812]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.697301]  ? lock_downgrade+0x900/0x900
[  342.701448]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.706555]  ? pvclock_read_flags+0x160/0x160
[  342.711050]  ? lapic_next_event+0x5a/0x90
[  342.715195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.720745]  ? kvm_clock_read+0x18/0x30
[  342.724719]  ? kvm_sched_clock_read+0x9/0x20
[  342.729126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.734657]  ? check_preemption_disabled+0x48/0x280
[  342.739679]  irq_exit+0x17f/0x1c0
[  342.743132]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.747967]  ? smp_reschedule_interrupt+0x109/0x650
[  342.752980]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.758859]  ? interrupt_entry+0xb5/0xc0
[  342.763007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.768046]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.773069]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.777994]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.783012]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.788025]  ? task_prio+0x50/0x50
[  342.791560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.797093]  ? check_preemption_disabled+0x48/0x280
[  342.802110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.806953]  apic_timer_interrupt+0xf/0x20
[  342.811179]  </IRQ>
[  342.813423] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.818353] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  342.837247] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.844952] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.852220] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  342.859489] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  342.866751] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.874012] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  342.881314]  skb_clone+0x1bb/0x500
[  342.884850]  ? finish_task_switch+0x2f4/0x910
[  342.889339]  ? skb_split+0x11e0/0x11e0
[  342.893232]  ? preempt_notifier_register+0x200/0x200
[  342.898343]  ? __switch_to_asm+0x34/0x70
[  342.902399]  ? __switch_to_asm+0x34/0x70
[  342.906468]  ? __switch_to_asm+0x40/0x70
[  342.910522]  ? __switch_to_asm+0x34/0x70
[  342.914577]  ? __switch_to_asm+0x40/0x70
[  342.918630]  ? __switch_to_asm+0x34/0x70
[  342.922684]  ? __switch_to_asm+0x40/0x70
[  342.926742]  ? __switch_to_asm+0x34/0x70
[  342.930800]  ? __switch_to_asm+0x34/0x70
[  342.934859]  ? __switch_to_asm+0x40/0x70
[  342.938998]  ? __switch_to_asm+0x34/0x70
[  342.943060]  bpf_clone_redirect+0xb9/0x490
[  342.947299]  ? __schedule+0x8d7/0x21d0
[  342.951186]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  342.956216]  ? __sched_text_start+0x8/0x8
[  342.960364]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.965125]  ? find_held_lock+0x36/0x1c0
[  342.969297]  ? lock_acquire+0x1ed/0x520
[  342.973270]  ? bpf_test_run+0x3ee/0x7a0
[  342.977243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.982774]  ? check_preemption_disabled+0x48/0x280
[  342.987793]  ? kasan_check_read+0x11/0x20
[  342.991934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.997210]  ? rcu_softirq_qs+0x20/0x20
[  343.001180]  ? preempt_schedule+0x4d/0x60
[  343.005330]  ? ___preempt_schedule+0x16/0x18
[  343.009744]  ? bpf_test_run+0x271/0x7a0
[  343.013729]  ? netlink_diag_dump+0x2a0/0x2a0
[  343.018134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.023664]  ? bpf_test_init.isra.10+0x70/0x100
[  343.028333]  ? bpf_prog_test_run_skb+0x762/0xd60
[  343.033093]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.037942]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.043476]  ? fput+0x130/0x1a0
[  343.046753]  ? __bpf_prog_get+0x9b/0x290
[  343.050813]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.055646]  ? bpf_prog_test_run+0x130/0x1a0
[  343.060051]  ? __x64_sys_bpf+0x3d8/0x520
[  343.064111]  ? bpf_prog_get+0x20/0x20
[  343.067927]  ? do_syscall_64+0x1b9/0x820
[  343.071982]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  343.077347]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.082274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.087115]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.092126]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  343.097140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.102675]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.107696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.112549]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  343.117923] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  343.117994] aoe: skb alloc failure
[  343.124774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.124779] Call Trace:
[  343.124798]  dump_stack+0x244/0x39d
[  343.124821]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.128361] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.137684]  warn_alloc.cold.116+0xb7/0x1bd
[  343.140249] syz-executor5 cpuset=syz5 mems_allowed=0
[  343.143865]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.173824]  ? lock_downgrade+0x900/0x900
[  343.177979]  ? trace_hardirqs_off+0xb8/0x310
[  343.182394]  ? trace_hardirqs_off+0xb8/0x310
[  343.186810]  __alloc_pages_slowpath+0x2651/0x2de0
[  343.191675]  ? warn_alloc+0x120/0x120
[  343.195490]  ? warn_alloc+0x120/0x120
[  343.199291]  ? warn_alloc+0x120/0x120
[  343.203087]  ? print_usage_bug+0xc0/0xc0
[  343.207148]  ? check_preemption_disabled+0x48/0x280
[  343.212182]  ? print_usage_bug+0xc0/0xc0
[  343.216242]  ? kasan_check_read+0x11/0x20
[  343.220402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.225672]  ? rcu_softirq_qs+0x20/0x20
[  343.229653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.235200]  ? should_fail+0x22d/0xd01
[  343.239118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.244231]  ? __lock_acquire+0x62f/0x4c20
[  343.248468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.253574]  ? __lock_acquire+0x62f/0x4c20
[  343.257816]  ? should_fail+0x22d/0xd01
[  343.261723]  ? mark_held_locks+0x130/0x130
[  343.265957]  ? mark_held_locks+0x130/0x130
[  343.270204]  ? __enqueue_entity+0x10d/0x1f0
[  343.274522]  ? zap_class+0x640/0x640
[  343.278250]  ? print_usage_bug+0xc0/0xc0
[  343.282307]  ? enqueue_entity+0x34b/0x20a0
[  343.286541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.292075]  ? check_preemption_disabled+0x48/0x280
[  343.297096]  ? __lock_is_held+0xb5/0x140
[  343.301156]  __alloc_pages_nodemask+0xad8/0xea0
[  343.305829]  ? zap_class+0x640/0x640
[  343.309558]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  343.314578]  ? find_held_lock+0x36/0x1c0
[  343.318659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.323324]  ? lock_downgrade+0x900/0x900
[  343.327472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.333011]  cache_grow_begin+0xa5/0x8c0
[  343.337068]  ? do_raw_spin_unlock+0xa7/0x330
[  343.341566]  fallback_alloc+0x204/0x2e0
[  343.345544]  ____cache_alloc_node+0x1c7/0x1e0
[  343.350040]  kmem_cache_alloc_node+0xe3/0x730
[  343.354531]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.358774]  __alloc_skb+0x119/0x770
[  343.362485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.367759]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.372181]  ? lock_downgrade+0x900/0x900
[  343.376343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.381876]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.387330]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.392781]  ? addrconf_rs_timer+0x690/0x690
[  343.397219]  ndisc_alloc_skb+0x144/0x340
[  343.401280]  ndisc_send_rs+0x331/0x6e0
[  343.405181]  addrconf_rs_timer+0x314/0x690
[  343.409420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.413659]  call_timer_fn+0x272/0x920
[  343.417539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.421767]  ? process_timeout+0x40/0x40
[  343.425847]  ? __run_timers+0x7da/0xc70
[  343.429817]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.434328]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.438821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.443052]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.447641]  ? trace_hardirqs_on+0xbd/0x310
[  343.451963]  ? kasan_check_read+0x11/0x20
[  343.456104]  ? __run_timers+0x7da/0xc70
[  343.460077]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.465197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.469428]  __run_timers+0x7e5/0xc70
[  343.473241]  ? timer_fixup_init+0x70/0x70
[  343.477382]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.481872]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.486366]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.490947]  ? trace_hardirqs_on+0xbd/0x310
[  343.495265]  ? kasan_check_read+0x11/0x20
[  343.499412]  ? finish_task_switch+0x1f4/0x910
[  343.503903]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.509000]  ? compat_start_thread+0x80/0x80
[  343.513425]  ? pvclock_read_flags+0x160/0x160
[  343.517913]  ? __switch_to_asm+0x34/0x70
[  343.521971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.527505]  ? check_preemption_disabled+0x48/0x280
[  343.532524]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  343.538061]  ? rcu_pm_notify+0xc0/0xc0
[  343.541949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.547488]  ? check_preemption_disabled+0x48/0x280
[  343.552515]  run_timer_softirq+0x52/0xb0
[  343.556575]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.561588]  __do_softirq+0x308/0xb7e
[  343.565385]  ? retint_kernel+0x2d/0x2d
[  343.569358]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.574457]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.579903]  ? retint_kernel+0x2d/0x2d
[  343.583789]  ? schedule+0x108/0x460
[  343.587422]  ? trace_hardirqs_off+0xb8/0x310
[  343.591831]  ? smpboot_thread_fn+0x68b/0xa00
[  343.596237]  ? trace_hardirqs_on+0x310/0x310
[  343.600657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.606191]  ? check_preemption_disabled+0x48/0x280
[  343.611205]  ? takeover_tasklets+0xa90/0xa90
[  343.615609]  run_ksoftirqd+0x5e/0x100
[  343.619405]  smpboot_thread_fn+0x68b/0xa00
[  343.623638]  ? sort_range+0x30/0x30
[  343.627266]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.632364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.637898]  ? __kthread_parkme+0xfb/0x1a0
[  343.642143]  ? sort_range+0x30/0x30
[  343.645771]  kthread+0x35a/0x440
[  343.649142]  ? kthread_stop+0x900/0x900
[  343.653120]  ret_from_fork+0x3a/0x50
[  343.656853] warn_alloc_show_mem: 1 callbacks suppressed
[  343.656863] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  343.656864] Mem-Info:
[  343.656896] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  343.656896]  active_file:17 inactive_file:17 isolated_file:0
[  343.656896]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.656896]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  343.656896]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  343.656896]  free:13768 free_pcp:279 free_cma:0
[  343.662230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.669587] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.671975] Call Trace:
[  343.705011] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  343.714351]  <IRQ>
[  343.742018] lowmem_reserve[]: 0 2818 6321 6321
[  343.744600]  dump_stack+0x244/0x39d
[  343.770678] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  343.772822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.777370] lowmem_reserve[]: 0 0 3503 3503
[  343.780995]  warn_alloc.cold.116+0xb7/0x1bd
[  343.808372] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  343.813556]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.817853] lowmem_reserve[]: 0 0 0 0
[  343.822166]  ? lock_downgrade+0x900/0x900
[  343.851110] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  343.855956]  ? trace_hardirqs_off+0xb8/0x310
[  343.859726] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  343.863871]  ? trace_hardirqs_off+0xb8/0x310
[  343.877371] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  343.881783]  __alloc_pages_slowpath+0x2651/0x2de0
[  343.896929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  343.901361]  ? warn_alloc+0x120/0x120
[  343.916057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  343.920896]  ? warn_alloc+0x120/0x120
[  343.929705] 1758 total pagecache pages
[  343.933491]  ? __lock_acquire+0x62f/0x4c20
[  343.942040] 0 pages in swap cache
[  343.945823]  ? warn_alloc+0x120/0x120
[  343.949686] Swap cache stats: add 0, delete 0, find 0/0
[  343.953903]  ? print_usage_bug+0xc0/0xc0
[  343.957327] Free swap  = 0kB
[  343.961124]  ? print_usage_bug+0xc0/0xc0
[  343.966474] Total swap = 0kB
[  343.970522]  ? mark_held_locks+0x130/0x130
[  343.973512] 1965979 pages RAM
[  343.977563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.980547] 0 pages HighMem/MovableOnly
[  343.980555] 342853 pages reserved
[  343.984779]  ? should_fail+0x22d/0xd01
[  343.987855] 0 pages cma reserved
[  343.993379]  ? zap_class+0x640/0x640
[  343.997395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.000768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.000783]  ? __lock_acquire+0x62f/0x4c20
[  344.000800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.004718] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.008016]  ? should_fail+0x22d/0xd01
[  344.011704] ksoftirqd/0 cpuset=/ mems_allowed=0
[  344.018190]  ? mark_held_locks+0x130/0x130
[  344.055600]  ? mark_held_locks+0x130/0x130
[  344.059834]  ? lock_downgrade+0x900/0x900
[  344.063980]  ? zap_class+0x640/0x640
[  344.067691]  ? zap_class+0x640/0x640
[  344.071408]  ? zap_class+0x640/0x640
[  344.075120]  ? do_raw_spin_unlock+0xa7/0x330
[  344.079526]  ? trace_hardirqs_on+0x310/0x310
[  344.083942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.089476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.095011]  ? check_preemption_disabled+0x48/0x280
[  344.100029]  ? __lock_is_held+0xb5/0x140
[  344.104103]  __alloc_pages_nodemask+0xad8/0xea0
[  344.108772]  ? zap_class+0x640/0x640
[  344.112489]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  344.117527]  ? find_held_lock+0x36/0x1c0
[  344.121594]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.126262]  ? lock_downgrade+0x900/0x900
[  344.130427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.135977]  cache_grow_begin+0xa5/0x8c0
[  344.140033]  ? do_raw_spin_unlock+0xa7/0x330
[  344.144443]  fallback_alloc+0x204/0x2e0
[  344.148416]  ____cache_alloc_node+0x1c7/0x1e0
[  344.152911]  kmem_cache_alloc_node+0xe3/0x730
[  344.157408]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.161994]  __alloc_skb+0x119/0x770
[  344.165704]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  344.171066]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.175485]  ? vprintk_default+0x28/0x30
[  344.179557]  ? vprintk_func+0x85/0x181
[  344.183440]  ? printk+0xa7/0xcf
[  344.186713]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  344.191474]  new_skb+0x26/0x1c0
[  344.194752]  aoecmd_cfg+0x279/0x7f0
[  344.198374]  ? find_held_lock+0x36/0x1c0
[  344.202446]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  344.206784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.212341]  ? __lock_is_held+0xb5/0x140
[  344.216425]  discover_timer+0x50/0x60
[  344.220226]  call_timer_fn+0x272/0x920
[  344.224111]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.228948]  ? process_timeout+0x40/0x40
[  344.233011]  ? __run_timers+0x7da/0xc70
[  344.236982]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.241471]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.245966]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.250803]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.255383]  ? trace_hardirqs_on+0xbd/0x310
[  344.259697]  ? kasan_check_read+0x11/0x20
[  344.263836]  ? __run_timers+0x7da/0xc70
[  344.267807]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.272919]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.277758]  __run_timers+0x7e5/0xc70
[  344.281564]  ? timer_fixup_init+0x70/0x70
[  344.285728]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.290741]  ? zap_class+0x640/0x640
[  344.294455]  ? enqueue_hrtimer+0x1a5/0x560
[  344.298690]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.303880]  ? find_held_lock+0x36/0x1c0
[  344.307955]  ? zap_class+0x640/0x640
[  344.311764]  ? pvclock_read_flags+0x160/0x160
[  344.316254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.321789]  ? check_preemption_disabled+0x48/0x280
[  344.326809]  ? __lock_is_held+0xb5/0x140
[  344.330865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.336399]  ? check_preemption_disabled+0x48/0x280
[  344.341413]  run_timer_softirq+0x52/0xb0
[  344.345471]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.350487]  __do_softirq+0x308/0xb7e
[  344.354289]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.358780]  ? lock_downgrade+0x900/0x900
[  344.362930]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.368037]  ? pvclock_read_flags+0x160/0x160
[  344.372535]  ? lapic_next_event+0x5a/0x90
[  344.376681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.382220]  ? kvm_clock_read+0x18/0x30
[  344.386201]  ? kvm_sched_clock_read+0x9/0x20
[  344.390619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.396161]  ? check_preemption_disabled+0x48/0x280
[  344.401182]  irq_exit+0x17f/0x1c0
[  344.404635]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.409472]  ? smp_reschedule_interrupt+0x109/0x650
[  344.414484]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.420367]  ? interrupt_entry+0xb5/0xc0
[  344.424428]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.429439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.434451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.439290]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.444302]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.449316]  ? task_prio+0x50/0x50
[  344.452868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.458714]  ? check_preemption_disabled+0x48/0x280
[  344.463735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.468586]  apic_timer_interrupt+0xf/0x20
[  344.472912]  </IRQ>
[  344.475154] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  344.480088] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  344.499101] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.506816] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.514085] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  344.521448] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  344.528711] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  344.535977] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  344.543273]  skb_clone+0x1bb/0x500
[  344.546810]  ? finish_task_switch+0x2f4/0x910
[  344.551299]  ? skb_split+0x11e0/0x11e0
[  344.555406]  ? preempt_notifier_register+0x200/0x200
[  344.560504]  ? __switch_to_asm+0x34/0x70
[  344.564561]  ? __switch_to_asm+0x34/0x70
[  344.568624]  ? __switch_to_asm+0x40/0x70
[  344.572679]  ? __switch_to_asm+0x34/0x70
[  344.576734]  ? __switch_to_asm+0x40/0x70
[  344.580792]  ? __switch_to_asm+0x34/0x70
[  344.584849]  ? __switch_to_asm+0x40/0x70
[  344.588903]  ? __switch_to_asm+0x34/0x70
[  344.592958]  ? __switch_to_asm+0x34/0x70
[  344.597012]  ? __switch_to_asm+0x40/0x70
[  344.601076]  ? __switch_to_asm+0x34/0x70
[  344.605137]  bpf_clone_redirect+0xb9/0x490
[  344.609453]  ? __schedule+0x8d7/0x21d0
[  344.613340]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  344.618354]  ? __sched_text_start+0x8/0x8
[  344.622996]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.627762]  ? find_held_lock+0x36/0x1c0
[  344.631829]  ? lock_acquire+0x1ed/0x520
[  344.635805]  ? bpf_test_run+0x3ee/0x7a0
[  344.639781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.645423]  ? check_preemption_disabled+0x48/0x280
[  344.650463]  ? kasan_check_read+0x11/0x20
[  344.654606]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.659878]  ? rcu_softirq_qs+0x20/0x20
[  344.663852]  ? preempt_schedule+0x4d/0x60
[  344.667995]  ? ___preempt_schedule+0x16/0x18
[  344.672405]  ? bpf_test_run+0x271/0x7a0
[  344.676400]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.680812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.686349]  ? bpf_test_init.isra.10+0x70/0x100
[  344.691058]  ? bpf_prog_test_run_skb+0x762/0xd60
[  344.695816]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.700662]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.706314]  ? fput+0x130/0x1a0
[  344.709594]  ? __bpf_prog_get+0x9b/0x290
[  344.713735]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.718578]  ? bpf_prog_test_run+0x130/0x1a0
[  344.722999]  ? __x64_sys_bpf+0x3d8/0x520
[  344.727075]  ? bpf_prog_get+0x20/0x20
[  344.730902]  ? do_syscall_64+0x1b9/0x820
[  344.735053]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.740416]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.745340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.750179]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.755202]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.760214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.765746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.770772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.775618]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.780993] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  344.781073] aoe: skb alloc failure
[  344.787841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.787848] Call Trace:
[  344.791430] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.800735]  dump_stack+0x244/0x39d
[  344.803288] syz-executor5 cpuset=syz5 mems_allowed=0
[  344.813865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.827734]  warn_alloc.cold.116+0xb7/0x1bd
[  344.832071]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.836914]  ? lock_downgrade+0x900/0x900
[  344.841071]  ? trace_hardirqs_off+0xb8/0x310
[  344.845483]  ? trace_hardirqs_off+0xb8/0x310
[  344.849893]  __alloc_pages_slowpath+0x2651/0x2de0
[  344.854757]  ? warn_alloc+0x120/0x120
[  344.858559]  ? print_usage_bug+0xc0/0xc0
[  344.862618]  ? warn_alloc+0x120/0x120
[  344.866417]  ? warn_alloc+0x120/0x120
[  344.870216]  ? print_usage_bug+0xc0/0xc0
[  344.874279]  ? print_usage_bug+0xc0/0xc0
[  344.878335]  ? __lock_acquire+0x62f/0x4c20
[  344.882674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.888208]  ? should_fail+0x22d/0xd01
[  344.892095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.897194]  ? __lock_acquire+0x62f/0x4c20
[  344.901430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.906538]  ? __lock_acquire+0x62f/0x4c20
[  344.910769]  ? should_fail+0x22d/0xd01
[  344.914651]  ? find_held_lock+0x36/0x1c0
[  344.918723]  ? mark_held_locks+0x130/0x130
[  344.922956]  ? mark_held_locks+0x130/0x130
[  344.927189]  ? zap_class+0x640/0x640
[  344.930898]  ? zap_class+0x640/0x640
[  344.934608]  ? print_usage_bug+0xc0/0xc0
[  344.938663]  ? do_raw_spin_unlock+0xa7/0x330
[  344.943076]  ? zap_class+0x640/0x640
[  344.946785]  ? print_usage_bug+0xc0/0xc0
[  344.950846]  ? wq_watchdog_touch+0x9c/0xfe
[  344.955079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.960615]  ? check_preemption_disabled+0x48/0x280
[  344.965633]  ? __lock_is_held+0xb5/0x140
[  344.969698]  __alloc_pages_nodemask+0xad8/0xea0
[  344.974359]  ? zap_class+0x640/0x640
[  344.978073]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  344.983093]  ? find_held_lock+0x36/0x1c0
[  344.987173]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.991855]  ? lock_downgrade+0x900/0x900
[  344.996003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.001552]  cache_grow_begin+0xa5/0x8c0
[  345.005607]  ? do_raw_spin_unlock+0xa7/0x330
[  345.010035]  fallback_alloc+0x204/0x2e0
[  345.014020]  ____cache_alloc_node+0x1c7/0x1e0
[  345.018528]  kmem_cache_alloc_node+0xe3/0x730
[  345.023030]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.027275]  __alloc_skb+0x119/0x770
[  345.030984]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.036277]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.040678]  ? lock_downgrade+0x900/0x900
[  345.044827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.050361]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.055810]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.061255]  ? addrconf_rs_timer+0x690/0x690
[  345.065675]  ndisc_alloc_skb+0x144/0x340
[  345.069739]  ndisc_send_rs+0x331/0x6e0
[  345.073624]  addrconf_rs_timer+0x314/0x690
[  345.077859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.082098]  call_timer_fn+0x272/0x920
[  345.085979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.090218]  ? process_timeout+0x40/0x40
[  345.094281]  ? __run_timers+0x7da/0xc70
[  345.098267]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.102759]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.107247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.111586]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.116167]  ? trace_hardirqs_on+0xbd/0x310
[  345.120584]  ? kasan_check_read+0x11/0x20
[  345.124728]  ? __run_timers+0x7da/0xc70
[  345.128702]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.133803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.138043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.142269]  __run_timers+0x7e5/0xc70
[  345.146073]  ? timer_fixup_init+0x70/0x70
[  345.150216]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.154719]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.159215]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.163794]  ? trace_hardirqs_on+0xbd/0x310
[  345.168114]  ? kasan_check_read+0x11/0x20
[  345.172260]  ? finish_task_switch+0x1f4/0x910
[  345.176752]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.181859]  ? compat_start_thread+0x80/0x80
[  345.186281]  ? pvclock_read_flags+0x160/0x160
[  345.190769]  ? __switch_to_asm+0x34/0x70
[  345.194833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.200368]  ? check_preemption_disabled+0x48/0x280
[  345.205388]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  345.211019]  ? rcu_pm_notify+0xc0/0xc0
[  345.214902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.220526]  ? check_preemption_disabled+0x48/0x280
[  345.225544]  run_timer_softirq+0x52/0xb0
[  345.229603]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.234615]  __do_softirq+0x308/0xb7e
[  345.238414]  ? retint_kernel+0x2d/0x2d
[  345.242300]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.247407]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.252854]  ? retint_kernel+0x2d/0x2d
[  345.256742]  ? schedule+0x108/0x460
[  345.260373]  ? trace_hardirqs_off+0xb8/0x310
[  345.264788]  ? smpboot_thread_fn+0x68b/0xa00
[  345.269201]  ? trace_hardirqs_on+0x310/0x310
[  345.273607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.279142]  ? check_preemption_disabled+0x48/0x280
[  345.284155]  ? takeover_tasklets+0xa90/0xa90
[  345.288559]  run_ksoftirqd+0x5e/0x100
[  345.292358]  smpboot_thread_fn+0x68b/0xa00
[  345.296596]  ? sort_range+0x30/0x30
[  345.300219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.305319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.310854]  ? __kthread_parkme+0xfb/0x1a0
[  345.315090]  ? sort_range+0x30/0x30
[  345.318712]  kthread+0x35a/0x440
[  345.322078]  ? kthread_stop+0x900/0x900
[  345.326051]  ret_from_fork+0x3a/0x50
[  345.329778] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  345.329782] warn_alloc_show_mem: 1 callbacks suppressed
[  345.329788] Mem-Info:
[  345.337139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.337146] Call Trace:
[  345.342512] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  345.342512]  active_file:17 inactive_file:17 isolated_file:0
[  345.342512]  unevictable:0 dirty:0 writeback:0 unstable:0
[  345.342512]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  345.342512]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  345.342512]  free:13768 free_pcp:279 free_cma:0
[  345.344897]  <IRQ>
[  345.354256] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  345.356830]  dump_stack+0x244/0x39d
[  345.389852] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  345.392015]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.419648] lowmem_reserve[]: 0 2818 6321 6321
[  345.423286]  warn_alloc.cold.116+0xb7/0x1bd
[  345.449359] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  345.454541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.459086] lowmem_reserve[]: 0 0 3503 3503
[  345.463426]  ? lock_downgrade+0x900/0x900
[  345.490806] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  345.495646]  ? trace_hardirqs_off+0xb8/0x310
[  345.499935] lowmem_reserve[]: 0 0 0 0
[  345.504075]  ? trace_hardirqs_off+0xb8/0x310
[  345.533026] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  345.537426]  __alloc_pages_slowpath+0x2651/0x2de0
[  345.541206] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  345.545622]  ? warn_alloc+0x120/0x120
[  345.559180] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  345.564018]  ? warn_alloc+0x120/0x120
[  345.579183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  345.582970]  ? warn_alloc+0x120/0x120
[  345.597687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  345.601476]  ? print_usage_bug+0xc0/0xc0
[  345.610277] 1758 total pagecache pages
[  345.614062]  ? print_usage_bug+0xc0/0xc0
[  345.622728] 0 pages in swap cache
[  345.626769]  ? ktime_get+0x2c1/0x400
[  345.630638] Swap cache stats: add 0, delete 0, find 0/0
[  345.634688]  ? check_preemption_disabled+0x48/0x280
[  345.638103] Free swap  = 0kB
[  345.641799]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.647132] Total swap = 0kB
[  345.652136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.655124] 1965979 pages RAM
[  345.659602]  ? should_fail+0x22d/0xd01
[  345.662587] 0 pages HighMem/MovableOnly
[  345.668107]  ? kasan_check_read+0x11/0x20
[  345.671180] 342853 pages reserved
[  345.671188] 0 pages cma reserved
[  345.675063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.679087] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.683140]  ? __lock_acquire+0x62f/0x4c20
[  345.683156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.683171]  ? should_fail+0x22d/0xd01
[  345.687251] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.689958]  ? print_usage_bug+0xc0/0xc0
[  345.689980]  ? mark_held_locks+0x130/0x130
[  345.695157] ksoftirqd/0 cpuset=/ mems_allowed=0
[  345.701636]  ? mark_held_locks+0x130/0x130
[  345.701655]  ? check_preemption_disabled+0x48/0x280
[  345.747526]  ? zap_class+0x640/0x640
[  345.751238]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.755992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.761541]  ? check_preemption_disabled+0x48/0x280
[  345.766577]  ? __lock_is_held+0xb5/0x140
[  345.770639]  __alloc_pages_nodemask+0xad8/0xea0
[  345.775304]  ? zap_class+0x640/0x640
[  345.779023]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  345.784048]  ? find_held_lock+0x36/0x1c0
[  345.788133]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.792798]  ? lock_downgrade+0x900/0x900
[  345.796967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.802505]  cache_grow_begin+0xa5/0x8c0
[  345.806560]  ? do_raw_spin_unlock+0xa7/0x330
[  345.810972]  fallback_alloc+0x204/0x2e0
[  345.814954]  ____cache_alloc_node+0x1c7/0x1e0
[  345.819474]  kmem_cache_alloc_node+0xe3/0x730
[  345.823976]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.828561]  __alloc_skb+0x119/0x770
[  345.832269]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  345.837633]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.842040]  ? vprintk_default+0x28/0x30
[  345.846098]  ? vprintk_func+0x85/0x181
[  345.849981]  ? printk+0xa7/0xcf
[  345.853253]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  345.858026]  new_skb+0x26/0x1c0
[  345.861302]  aoecmd_cfg+0x279/0x7f0
[  345.864926]  ? find_held_lock+0x36/0x1c0
[  345.869002]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  345.873323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.878863]  ? __lock_is_held+0xb5/0x140
[  345.882940]  discover_timer+0x50/0x60
[  345.886737]  call_timer_fn+0x272/0x920
[  345.890642]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.895479]  ? process_timeout+0x40/0x40
[  345.899538]  ? __run_timers+0x7da/0xc70
[  345.903509]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.907996]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.912506]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.917344]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.921949]  ? trace_hardirqs_on+0xbd/0x310
[  345.926269]  ? kasan_check_read+0x11/0x20
[  345.930409]  ? __run_timers+0x7da/0xc70
[  345.934390]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.939499]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.944337]  __run_timers+0x7e5/0xc70
[  345.948134]  ? timer_fixup_init+0x70/0x70
[  345.952277]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.957303]  ? zap_class+0x640/0x640
[  345.961016]  ? enqueue_hrtimer+0x1a5/0x560
[  345.965273]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.970477]  ? find_held_lock+0x36/0x1c0
[  345.974553]  ? zap_class+0x640/0x640
[  345.978274]  ? pvclock_read_flags+0x160/0x160
[  345.982767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.988303]  ? check_preemption_disabled+0x48/0x280
[  345.993322]  ? __lock_is_held+0xb5/0x140
[  345.997382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.002913]  ? check_preemption_disabled+0x48/0x280
[  346.007943]  run_timer_softirq+0x52/0xb0
[  346.012001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.017010]  __do_softirq+0x308/0xb7e
[  346.020806]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  346.025291]  ? lock_downgrade+0x900/0x900
[  346.029453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.034555]  ? pvclock_read_flags+0x160/0x160
[  346.039059]  ? lapic_next_event+0x5a/0x90
[  346.043200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.048737]  ? kvm_clock_read+0x18/0x30
[  346.052705]  ? kvm_sched_clock_read+0x9/0x20
[  346.057107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.062635]  ? check_preemption_disabled+0x48/0x280
[  346.067652]  irq_exit+0x17f/0x1c0
[  346.071111]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.075944]  ? smp_reschedule_interrupt+0x109/0x650
[  346.080957]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.086868]  ? interrupt_entry+0xb5/0xc0
[  346.090930]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.095941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.100965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.105809]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.110815]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.115822]  ? task_prio+0x50/0x50
[  346.119354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.124878]  ? check_preemption_disabled+0x48/0x280
[  346.129891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.134740]  apic_timer_interrupt+0xf/0x20
[  346.138963]  </IRQ>
[  346.141198] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  346.146124] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  346.165111] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  346.172815] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  346.180165] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  346.187432] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  346.194713] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  346.201977] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  346.209274]  skb_clone+0x1bb/0x500
[  346.212811]  ? finish_task_switch+0x2f4/0x910
[  346.217310]  ? skb_split+0x11e0/0x11e0
[  346.221191]  ? preempt_notifier_register+0x200/0x200
[  346.226285]  ? __switch_to_asm+0x34/0x70
[  346.230338]  ? __switch_to_asm+0x34/0x70
[  346.234390]  ? __switch_to_asm+0x40/0x70
[  346.238471]  ? __switch_to_asm+0x34/0x70
[  346.242525]  ? __switch_to_asm+0x40/0x70
[  346.246593]  ? __switch_to_asm+0x34/0x70
[  346.250650]  ? __switch_to_asm+0x40/0x70
[  346.254706]  ? __switch_to_asm+0x34/0x70
[  346.258761]  ? __switch_to_asm+0x34/0x70
[  346.262814]  ? __switch_to_asm+0x40/0x70
[  346.266866]  ? __switch_to_asm+0x34/0x70
[  346.270933]  bpf_clone_redirect+0xb9/0x490
[  346.275200]  ? __schedule+0x8d7/0x21d0
[  346.279085]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  346.284109]  ? __sched_text_start+0x8/0x8
[  346.288267]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  346.293035]  ? find_held_lock+0x36/0x1c0
[  346.297097]  ? lock_acquire+0x1ed/0x520
[  346.301067]  ? bpf_test_run+0x3ee/0x7a0
[  346.305036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.310571]  ? check_preemption_disabled+0x48/0x280
[  346.315598]  ? kasan_check_read+0x11/0x20
[  346.319740]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.325010]  ? rcu_softirq_qs+0x20/0x20
[  346.329012]  ? preempt_schedule+0x4d/0x60
[  346.333154]  ? ___preempt_schedule+0x16/0x18
[  346.337561]  ? bpf_test_run+0x271/0x7a0
[  346.341539]  ? netlink_diag_dump+0x2a0/0x2a0
[  346.345942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.351470]  ? bpf_test_init.isra.10+0x70/0x100
[  346.356135]  ? bpf_prog_test_run_skb+0x762/0xd60
[  346.360895]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.365750]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.371301]  ? fput+0x130/0x1a0
[  346.374574]  ? __bpf_prog_get+0x9b/0x290
[  346.378635]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.383468]  ? bpf_prog_test_run+0x130/0x1a0
[  346.387876]  ? __x64_sys_bpf+0x3d8/0x520
[  346.391937]  ? bpf_prog_get+0x20/0x20
[  346.395753]  ? do_syscall_64+0x1b9/0x820
[  346.399809]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.405174]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.410099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.414936]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.419949]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.424961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.430493]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.435508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.440377]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.445765] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  346.445836] aoe: skb alloc failure
[  346.452631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.452636] Call Trace:
[  346.452653]  dump_stack+0x244/0x39d
[  346.452673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.456400] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.465730]  warn_alloc.cold.116+0xb7/0x1bd
[  346.468275] syz-executor5 cpuset=syz5 mems_allowed=0
[  346.471901]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.501746]  ? lock_downgrade+0x900/0x900
[  346.505907]  ? trace_hardirqs_off+0xb8/0x310
[  346.510354]  ? trace_hardirqs_off+0xb8/0x310
[  346.514777]  __alloc_pages_slowpath+0x2651/0x2de0
[  346.519644]  ? warn_alloc+0x120/0x120
[  346.523448]  ? warn_alloc+0x120/0x120
[  346.527262]  ? warn_alloc+0x120/0x120
[  346.531071]  ? print_usage_bug+0xc0/0xc0
[  346.535131]  ? print_usage_bug+0xc0/0xc0
[  346.539207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.544744]  ? should_fail+0x22d/0xd01
[  346.548636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.553737]  ? __lock_acquire+0x62f/0x4c20
[  346.557977]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.563089]  ? should_fail+0x22d/0xd01
[  346.566987]  ? mark_held_locks+0x130/0x130
[  346.571219]  ? mark_held_locks+0x130/0x130
[  346.575455]  ? __lock_acquire+0x62f/0x4c20
[  346.579696]  ? zap_class+0x640/0x640
[  346.583422]  ? trace_hardirqs_off+0xb8/0x310
[  346.587823]  ? kasan_check_read+0x11/0x20
[  346.591967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.597502]  ? check_preemption_disabled+0x48/0x280
[  346.602558]  ? __lock_is_held+0xb5/0x140
[  346.606631]  __alloc_pages_nodemask+0xad8/0xea0
[  346.611294]  ? zap_class+0x640/0x640
[  346.615011]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  346.620032]  ? find_held_lock+0x36/0x1c0
[  346.624268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.628935]  ? lock_downgrade+0x900/0x900
[  346.633098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.638644]  cache_grow_begin+0xa5/0x8c0
[  346.642715]  ? do_raw_spin_unlock+0xa7/0x330
[  346.647124]  fallback_alloc+0x204/0x2e0
[  346.651114]  ____cache_alloc_node+0x1c7/0x1e0
[  346.655609]  kmem_cache_alloc_node+0xe3/0x730
[  346.660096]  ? do_raw_spin_unlock+0xa7/0x330
[  346.664498]  ? do_raw_spin_trylock+0x270/0x270
[  346.669082]  __alloc_skb+0x119/0x770
[  346.672888]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.677289]  ? atomic_notifier_call_chain+0xc6/0x190
[  346.682385]  ? lock_downgrade+0x900/0x900
[  346.686532]  ? check_preemption_disabled+0x48/0x280
[  346.691547]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  346.696469]  ? kasan_check_read+0x11/0x20
[  346.700621]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.705894]  ? rcu_softirq_qs+0x20/0x20
[  346.709867]  ? kasan_check_read+0x11/0x20
[  346.714015]  ? do_raw_write_trylock+0x270/0x270
[  346.718699]  __neigh_notify+0x8c/0x160
[  346.722581]  ? neigh_connected_output+0x780/0x780
[  346.727430]  neigh_timer_handler+0x6cb/0xdf0
[  346.731834]  ? check_preemption_disabled+0x48/0x280
[  346.736880]  ? neigh_periodic_work+0xc60/0xc60
[  346.741455]  ? __lock_is_held+0xb5/0x140
[  346.745524]  call_timer_fn+0x272/0x920
[  346.749404]  ? neigh_periodic_work+0xc60/0xc60
[  346.753983]  ? process_timeout+0x40/0x40
[  346.758145]  ? __run_timers+0x7da/0xc70
[  346.762117]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.766608]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.771099]  ? neigh_periodic_work+0xc60/0xc60
[  346.775676]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.780257]  ? trace_hardirqs_on+0xbd/0x310
[  346.784578]  ? kasan_check_read+0x11/0x20
[  346.788719]  ? __run_timers+0x7da/0xc70
[  346.792694]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.797804]  ? neigh_periodic_work+0xc60/0xc60
[  346.802380]  __run_timers+0x7e5/0xc70
[  346.806199]  ? timer_fixup_init+0x70/0x70
[  346.810340]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.814827]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.819327]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.823915]  ? trace_hardirqs_on+0xbd/0x310
[  346.828232]  ? kasan_check_read+0x11/0x20
[  346.832391]  ? finish_task_switch+0x1f4/0x910
[  346.836885]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.841984]  ? compat_start_thread+0x80/0x80
[  346.846411]  ? pvclock_read_flags+0x160/0x160
[  346.850897]  ? __switch_to_asm+0x34/0x70
[  346.854964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.860512]  ? check_preemption_disabled+0x48/0x280
[  346.865533]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  346.871070]  ? rcu_pm_notify+0xc0/0xc0
[  346.874955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.880488]  ? check_preemption_disabled+0x48/0x280
[  346.885522]  run_timer_softirq+0x52/0xb0
[  346.889577]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.894600]  __do_softirq+0x308/0xb7e
[  346.898393]  ? retint_kernel+0x2d/0x2d
[  346.902277]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.907374]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  346.912814]  ? retint_kernel+0x2d/0x2d
[  346.916707]  ? schedule+0x108/0x460
[  346.920346]  ? trace_hardirqs_off+0xb8/0x310
[  346.924751]  ? smpboot_thread_fn+0x68b/0xa00
[  346.929151]  ? trace_hardirqs_on+0x310/0x310
[  346.933552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.939105]  ? check_preemption_disabled+0x48/0x280
[  346.944113]  ? takeover_tasklets+0xa90/0xa90
[  346.948512]  run_ksoftirqd+0x5e/0x100
[  346.952306]  smpboot_thread_fn+0x68b/0xa00
[  346.956539]  ? sort_range+0x30/0x30
[  346.960177]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  346.965370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.970899]  ? __kthread_parkme+0xfb/0x1a0
[  346.975132]  ? sort_range+0x30/0x30
[  346.978761]  kthread+0x35a/0x440
[  346.982130]  ? kthread_stop+0x900/0x900
[  346.986095]  ret_from_fork+0x3a/0x50
[  346.989839] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  346.989844] warn_alloc_show_mem: 1 callbacks suppressed
[  346.989853] Mem-Info:
[  346.997213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.002574] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  347.002574]  active_file:17 inactive_file:17 isolated_file:0
[  347.002574]  unevictable:0 dirty:0 writeback:0 unstable:0
[  347.002574]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  347.002574]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  347.002574]  free:13768 free_pcp:279 free_cma:0
[  347.004942] Call Trace:
[  347.014308] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  347.047426]  <IRQ>
[  347.049990] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  347.077646]  dump_stack+0x244/0x39d
[  347.079761] lowmem_reserve[]: 0 2818 6321 6321
[  347.105873]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.109469] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  347.114043]  warn_alloc.cold.116+0xb7/0x1bd
[  347.119190] lowmem_reserve[]: 0 0 3503 3503
[  347.146682]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.150989] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  347.155396]  ? lock_downgrade+0x900/0x900
[  347.160235] lowmem_reserve[]: 0 0 0 0
[  347.189200]  ? trace_hardirqs_off+0xb8/0x310
[  347.193330] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  347.197134]  ? trace_hardirqs_off+0xb8/0x310
[  347.201508] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  347.215020]  __alloc_pages_slowpath+0x2651/0x2de0
[  347.219391] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  347.234583]  ? warn_alloc+0x120/0x120
[  347.239379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  347.254097]  ? warn_alloc+0x120/0x120
[  347.257871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  347.266683]  ? __lock_acquire+0x62f/0x4c20
[  347.270449] 1758 total pagecache pages
[  347.279006]  ? warn_alloc+0x120/0x120
[  347.283213] 0 pages in swap cache
[  347.287116]  ? print_usage_bug+0xc0/0xc0
[  347.290912] Swap cache stats: add 0, delete 0, find 0/0
[  347.294348]  ? print_usage_bug+0xc0/0xc0
[  347.298388] Free swap  = 0kB
[  347.303729]  ? mark_held_locks+0x130/0x130
[  347.307756] Total swap = 0kB
[  347.310758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.315062] 1965979 pages RAM
[  347.318064]  ? should_fail+0x22d/0xd01
[  347.323655] 0 pages HighMem/MovableOnly
[  347.326741]  ? zap_class+0x640/0x640
[  347.330596] 342853 pages reserved
[  347.330615] 0 pages cma reserved
[  347.334573]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.338421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.341691]  ? __lock_acquire+0x62f/0x4c20
[  347.345114] ksoftirqd/0 cpuset=/ mems_allowed=0
[  347.350201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.374531]  ? should_fail+0x22d/0xd01
[  347.378423]  ? mark_held_locks+0x130/0x130
[  347.382651]  ? mark_held_locks+0x130/0x130
[  347.386972]  ? lock_downgrade+0x900/0x900
[  347.391124]  ? zap_class+0x640/0x640
[  347.394830]  ? zap_class+0x640/0x640
[  347.398536]  ? zap_class+0x640/0x640
[  347.402240]  ? do_raw_spin_unlock+0xa7/0x330
[  347.406648]  ? trace_hardirqs_on+0x310/0x310
[  347.411049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.416574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.422104]  ? check_preemption_disabled+0x48/0x280
[  347.427122]  ? __lock_is_held+0xb5/0x140
[  347.431297]  __alloc_pages_nodemask+0xad8/0xea0
[  347.435961]  ? zap_class+0x640/0x640
[  347.439688]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  347.444720]  ? find_held_lock+0x36/0x1c0
[  347.448778]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.453439]  ? lock_downgrade+0x900/0x900
[  347.457577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.463106]  cache_grow_begin+0xa5/0x8c0
[  347.467154]  ? do_raw_spin_unlock+0xa7/0x330
[  347.471554]  fallback_alloc+0x204/0x2e0
[  347.475523]  ____cache_alloc_node+0x1c7/0x1e0
[  347.480026]  kmem_cache_alloc_node+0xe3/0x730
[  347.484517]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.489107]  __alloc_skb+0x119/0x770
[  347.492810]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  347.498165]  ? netdev_alloc_frag+0x1f0/0x1f0
[  347.502580]  ? vprintk_default+0x28/0x30
[  347.506631]  ? vprintk_func+0x85/0x181
[  347.510512]  ? printk+0xa7/0xcf
[  347.513790]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  347.518545]  new_skb+0x26/0x1c0
[  347.521818]  aoecmd_cfg+0x279/0x7f0
[  347.525435]  ? find_held_lock+0x36/0x1c0
[  347.529503]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  347.533936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.539470]  ? __lock_is_held+0xb5/0x140
[  347.543529]  discover_timer+0x50/0x60
[  347.547324]  call_timer_fn+0x272/0x920
[  347.551201]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  347.556033]  ? process_timeout+0x40/0x40
[  347.560092]  ? __run_timers+0x7da/0xc70
[  347.564059]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.568540]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.573024]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  347.577854]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.582423]  ? trace_hardirqs_on+0xbd/0x310
[  347.586736]  ? kasan_check_read+0x11/0x20
[  347.590921]  ? __run_timers+0x7da/0xc70
[  347.594895]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.599997]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  347.604829]  __run_timers+0x7e5/0xc70
[  347.608630]  ? timer_fixup_init+0x70/0x70
[  347.612771]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.617792]  ? zap_class+0x640/0x640
[  347.621515]  ? enqueue_hrtimer+0x1a5/0x560
[  347.625758]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.630969]  ? find_held_lock+0x36/0x1c0
[  347.635024]  ? zap_class+0x640/0x640
[  347.638738]  ? pvclock_read_flags+0x160/0x160
[  347.643226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.648755]  ? check_preemption_disabled+0x48/0x280
[  347.653783]  ? __lock_is_held+0xb5/0x140
[  347.657836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.663380]  ? check_preemption_disabled+0x48/0x280
[  347.668386]  run_timer_softirq+0x52/0xb0
[  347.672450]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.677469]  __do_softirq+0x308/0xb7e
[  347.681261]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.685751]  ? lock_downgrade+0x900/0x900
[  347.689980]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.695079]  ? pvclock_read_flags+0x160/0x160
[  347.699572]  ? lapic_next_event+0x5a/0x90
[  347.703711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.709258]  ? kvm_clock_read+0x18/0x30
[  347.713240]  ? kvm_sched_clock_read+0x9/0x20
[  347.717637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.723182]  ? check_preemption_disabled+0x48/0x280
[  347.728195]  irq_exit+0x17f/0x1c0
[  347.731634]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.736466]  ? smp_reschedule_interrupt+0x109/0x650
[  347.741472]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.747367]  ? interrupt_entry+0xb5/0xc0
[  347.751421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.756427]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.761437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.766283]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.771293]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.776439]  ? task_prio+0x50/0x50
[  347.779972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.785501]  ? check_preemption_disabled+0x48/0x280
[  347.790530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.795378]  apic_timer_interrupt+0xf/0x20
[  347.799600]  </IRQ>
[  347.801846] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  347.806778] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  347.825675] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.833404] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  347.840659] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  347.847920] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  347.855188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  347.862452] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  347.869735]  skb_clone+0x1bb/0x500
[  347.873275]  ? finish_task_switch+0x2f4/0x910
[  347.877765]  ? skb_split+0x11e0/0x11e0
[  347.881644]  ? preempt_notifier_register+0x200/0x200
[  347.886745]  ? __switch_to_asm+0x34/0x70
[  347.890814]  ? __switch_to_asm+0x34/0x70
[  347.894865]  ? __switch_to_asm+0x40/0x70
[  347.898914]  ? __switch_to_asm+0x34/0x70
[  347.902961]  ? __switch_to_asm+0x40/0x70
[  347.907010]  ? __switch_to_asm+0x34/0x70
[  347.911055]  ? __switch_to_asm+0x40/0x70
[  347.915104]  ? __switch_to_asm+0x34/0x70
[  347.919152]  ? __switch_to_asm+0x34/0x70
[  347.923201]  ? __switch_to_asm+0x40/0x70
[  347.927262]  ? __switch_to_asm+0x34/0x70
[  347.931321]  bpf_clone_redirect+0xb9/0x490
[  347.935565]  ? __schedule+0x8d7/0x21d0
[  347.939451]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  347.944457]  ? __sched_text_start+0x8/0x8
[  347.948594]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.953349]  ? find_held_lock+0x36/0x1c0
[  347.957405]  ? lock_acquire+0x1ed/0x520
[  347.961370]  ? bpf_test_run+0x3ee/0x7a0
[  347.965333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.970859]  ? check_preemption_disabled+0x48/0x280
[  347.975870]  ? kasan_check_read+0x11/0x20
[  347.980007]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.985274]  ? rcu_softirq_qs+0x20/0x20
[  347.989242]  ? preempt_schedule+0x4d/0x60
[  347.993394]  ? ___preempt_schedule+0x16/0x18
[  347.997801]  ? bpf_test_run+0x271/0x7a0
[  348.001780]  ? netlink_diag_dump+0x2a0/0x2a0
[  348.006178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.011729]  ? bpf_test_init.isra.10+0x70/0x100
[  348.016395]  ? bpf_prog_test_run_skb+0x762/0xd60
[  348.021145]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.025983]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.031524]  ? fput+0x130/0x1a0
[  348.034817]  ? __bpf_prog_get+0x9b/0x290
[  348.038870]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.043701]  ? bpf_prog_test_run+0x130/0x1a0
[  348.048098]  ? __x64_sys_bpf+0x3d8/0x520
[  348.052150]  ? bpf_prog_get+0x20/0x20
[  348.055958]  ? do_syscall_64+0x1b9/0x820
[  348.060007]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.065363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.070291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.075124]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.080133]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.085141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.090667]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.095679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.100533]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.105906] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  348.105973] aoe: skb alloc failure
[  348.112743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.112759] Call Trace:
[  348.112777]  dump_stack+0x244/0x39d
[  348.112793]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.116327] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.125652]  warn_alloc.cold.116+0xb7/0x1bd
[  348.128196] syz-executor5 cpuset=syz5 mems_allowed=0
[  348.131811]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.161684]  ? lock_downgrade+0x900/0x900
[  348.165832]  ? trace_hardirqs_off+0xb8/0x310
[  348.170241]  ? trace_hardirqs_off+0xb8/0x310
[  348.174651]  __alloc_pages_slowpath+0x2651/0x2de0
[  348.179505]  ? warn_alloc+0x120/0x120
[  348.183296]  ? warn_alloc+0x120/0x120
[  348.187093]  ? warn_alloc+0x120/0x120
[  348.190913]  ? warn_alloc+0x120/0x120
[  348.194749]  ? print_usage_bug+0xc0/0xc0
[  348.198819]  ? print_usage_bug+0xc0/0xc0
[  348.202873]  ? print_usage_bug+0xc0/0xc0
[  348.206942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.212482]  ? should_fail+0x22d/0xd01
[  348.216358]  ? should_fail+0x22d/0xd01
[  348.220242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.225333]  ? __lock_acquire+0x62f/0x4c20
[  348.229560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.234651]  ? __lock_acquire+0x62f/0x4c20
[  348.238890]  ? should_fail+0x22d/0xd01
[  348.242767]  ? should_fail+0x22d/0xd01
[  348.246670]  ? mark_held_locks+0x130/0x130
[  348.250905]  ? mark_held_locks+0x130/0x130
[  348.255132]  ? zap_class+0x640/0x640
[  348.258837]  ? __lock_acquire+0x62f/0x4c20
[  348.263072]  ? zap_class+0x640/0x640
[  348.266775]  ? print_usage_bug+0xc0/0xc0
[  348.270830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.276358]  ? check_preemption_disabled+0x48/0x280
[  348.281457]  ? __lock_is_held+0xb5/0x140
[  348.285514]  __alloc_pages_nodemask+0xad8/0xea0
[  348.290171]  ? zap_class+0x640/0x640
[  348.293884]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  348.298913]  ? find_held_lock+0x36/0x1c0
[  348.302972]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.307632]  ? lock_downgrade+0x900/0x900
[  348.311782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.317315]  cache_grow_begin+0xa5/0x8c0
[  348.321365]  ? do_raw_spin_unlock+0xa7/0x330
[  348.325773]  fallback_alloc+0x204/0x2e0
[  348.329760]  ____cache_alloc_node+0x1c7/0x1e0
[  348.334250]  kmem_cache_alloc_node+0xe3/0x730
[  348.338753]  ? ipv6_get_ifaddr+0x42e/0x620
[  348.342988]  __alloc_skb+0x119/0x770
[  348.346690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.351962]  ? netdev_alloc_frag+0x1f0/0x1f0
[  348.356364]  ? lock_downgrade+0x900/0x900
[  348.360510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.366038]  ? refcount_sub_and_test_checked+0x203/0x310
[  348.371495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  348.376951]  ? addrconf_rs_timer+0x690/0x690
[  348.381367]  ndisc_alloc_skb+0x144/0x340
[  348.385426]  ndisc_send_rs+0x331/0x6e0
[  348.389308]  addrconf_rs_timer+0x314/0x690
[  348.393540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.397780]  call_timer_fn+0x272/0x920
[  348.401658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.405885]  ? process_timeout+0x40/0x40
[  348.409945]  ? __run_timers+0x7da/0xc70
[  348.413912]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.418410]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.422911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.427142]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.431729]  ? trace_hardirqs_on+0xbd/0x310
[  348.436043]  ? kasan_check_read+0x11/0x20
[  348.440177]  ? __run_timers+0x7da/0xc70
[  348.444146]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.449251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.453472]  __run_timers+0x7e5/0xc70
[  348.457754]  ? timer_fixup_init+0x70/0x70
[  348.461893]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.466540]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.471028]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.475607]  ? trace_hardirqs_on+0xbd/0x310
[  348.479922]  ? kasan_check_read+0x11/0x20
[  348.484070]  ? finish_task_switch+0x1f4/0x910
[  348.488558]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.493656]  ? compat_start_thread+0x80/0x80
[  348.498074]  ? pvclock_read_flags+0x160/0x160
[  348.502577]  ? __switch_to_asm+0x34/0x70
[  348.506634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.512174]  ? check_preemption_disabled+0x48/0x280
[  348.517227]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  348.522769]  ? rcu_pm_notify+0xc0/0xc0
[  348.526656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.532233]  ? check_preemption_disabled+0x48/0x280
[  348.537252]  run_timer_softirq+0x52/0xb0
[  348.541310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.546317]  __do_softirq+0x308/0xb7e
[  348.550121]  ? retint_kernel+0x2d/0x2d
[  348.554084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.559189]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.564627]  ? retint_kernel+0x2d/0x2d
[  348.568513]  ? schedule+0x108/0x460
[  348.572144]  ? trace_hardirqs_off+0xb8/0x310
[  348.576542]  ? smpboot_thread_fn+0x68b/0xa00
[  348.580958]  ? trace_hardirqs_on+0x310/0x310
[  348.585358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.590887]  ? check_preemption_disabled+0x48/0x280
[  348.595896]  ? takeover_tasklets+0xa90/0xa90
[  348.600297]  run_ksoftirqd+0x5e/0x100
[  348.604087]  smpboot_thread_fn+0x68b/0xa00
[  348.608313]  ? sort_range+0x30/0x30
[  348.611927]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  348.617021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.622716]  ? __kthread_parkme+0xfb/0x1a0
[  348.626948]  ? sort_range+0x30/0x30
[  348.630563]  kthread+0x35a/0x440
[  348.633920]  ? kthread_stop+0x900/0x900
[  348.637883]  ret_from_fork+0x3a/0x50
[  348.641604] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  348.641609] warn_alloc_show_mem: 1 callbacks suppressed
[  348.641615] Mem-Info:
[  348.648962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.654318] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  348.654318]  active_file:17 inactive_file:17 isolated_file:0
[  348.654318]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.654318]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  348.654318]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  348.654318]  free:13768 free_pcp:279 free_cma:0
[  348.656688] Call Trace:
[  348.666057] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.699066]  <IRQ>
[  348.701639] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  348.729315]  dump_stack+0x244/0x39d
[  348.731431] lowmem_reserve[]: 0 2818 6321 6321
[  348.757537]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.761131] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  348.765794]  warn_alloc.cold.116+0xb7/0x1bd
[  348.770940] lowmem_reserve[]: 0 0 3503 3503
[  348.798352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.802648] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  348.806974]  ? lock_downgrade+0x900/0x900
[  348.811784] lowmem_reserve[]: 0 0 0 0
[  348.840846]  ? trace_hardirqs_off+0xb8/0x310
[  348.844963] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  348.848771]  ? trace_hardirqs_off+0xb8/0x310
[  348.853147] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  348.866671]  __alloc_pages_slowpath+0x2651/0x2de0
[  348.871048] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  348.886231]  ? warn_alloc+0x120/0x120
[  348.891047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  348.905762]  ? warn_alloc+0x120/0x120
[  348.909532] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  348.918353]  ? __lock_acquire+0x62f/0x4c20
[  348.922137] 1758 total pagecache pages
[  348.930691]  ? warn_alloc+0x120/0x120
[  348.934900] 0 pages in swap cache
[  348.938763]  ? print_usage_bug+0xc0/0xc0
[  348.938778]  ? print_usage_bug+0xc0/0xc0
[  348.942557] Swap cache stats: add 0, delete 0, find 0/0
[  348.945991]  ? mark_held_locks+0x130/0x130
[  348.950038] Free swap  = 0kB
[  348.954087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.959424] Total swap = 0kB
[  348.963642]  ? should_fail+0x22d/0xd01
[  348.966635] 1965979 pages RAM
[  348.972162]  ? zap_class+0x640/0x640
[  348.975152] 0 pages HighMem/MovableOnly
[  348.979028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.982100] 342853 pages reserved
[  348.982107] 0 pages cma reserved
[  348.985803]  ? __lock_acquire+0x62f/0x4c20
[  348.989832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.994847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.994859]  ? should_fail+0x22d/0xd01
[  348.994879]  ? mark_held_locks+0x130/0x130
[  348.998359] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.001685]  ? mark_held_locks+0x130/0x130
[  349.005895] ksoftirqd/0 cpuset=/ mems_allowed=0
[  349.012375]  ? lock_downgrade+0x900/0x900
[  349.048798]  ? zap_class+0x640/0x640
[  349.052499]  ? zap_class+0x640/0x640
[  349.056208]  ? zap_class+0x640/0x640
[  349.059909]  ? do_raw_spin_unlock+0xa7/0x330
[  349.064320]  ? trace_hardirqs_on+0x310/0x310
[  349.068876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.074431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.079971]  ? check_preemption_disabled+0x48/0x280
[  349.084999]  ? __lock_is_held+0xb5/0x140
[  349.089056]  __alloc_pages_nodemask+0xad8/0xea0
[  349.093712]  ? zap_class+0x640/0x640
[  349.097417]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  349.102426]  ? find_held_lock+0x36/0x1c0
[  349.106486]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.111163]  ? lock_downgrade+0x900/0x900
[  349.115305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.120838]  cache_grow_begin+0xa5/0x8c0
[  349.124889]  ? do_raw_spin_unlock+0xa7/0x330
[  349.129296]  fallback_alloc+0x204/0x2e0
[  349.133287]  ____cache_alloc_node+0x1c7/0x1e0
[  349.137781]  kmem_cache_alloc_node+0xe3/0x730
[  349.142269]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.146849]  __alloc_skb+0x119/0x770
[  349.150571]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  349.155929]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.160333]  ? vprintk_default+0x28/0x30
[  349.164385]  ? vprintk_func+0x85/0x181
[  349.168266]  ? printk+0xa7/0xcf
[  349.171539]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  349.176378]  new_skb+0x26/0x1c0
[  349.179654]  aoecmd_cfg+0x279/0x7f0
[  349.183274]  ? find_held_lock+0x36/0x1c0
[  349.187330]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  349.191654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.197194]  ? __lock_is_held+0xb5/0x140
[  349.201250]  discover_timer+0x50/0x60
[  349.205038]  call_timer_fn+0x272/0x920
[  349.208920]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  349.213753]  ? process_timeout+0x40/0x40
[  349.217812]  ? __run_timers+0x7da/0xc70
[  349.221781]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.226279]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.230779]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  349.235792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.240463]  ? trace_hardirqs_on+0xbd/0x310
[  349.244780]  ? kasan_check_read+0x11/0x20
[  349.248917]  ? __run_timers+0x7da/0xc70
[  349.252885]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.258002]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  349.262834]  __run_timers+0x7e5/0xc70
[  349.266640]  ? timer_fixup_init+0x70/0x70
[  349.270778]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.275789]  ? zap_class+0x640/0x640
[  349.279500]  ? enqueue_hrtimer+0x1a5/0x560
[  349.283724]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.288908]  ? find_held_lock+0x36/0x1c0
[  349.292968]  ? zap_class+0x640/0x640
[  349.296691]  ? pvclock_read_flags+0x160/0x160
[  349.301179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.306703]  ? check_preemption_disabled+0x48/0x280
[  349.311713]  ? __lock_is_held+0xb5/0x140
[  349.315763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.321292]  ? check_preemption_disabled+0x48/0x280
[  349.326299]  run_timer_softirq+0x52/0xb0
[  349.330356]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.335364]  __do_softirq+0x308/0xb7e
[  349.339161]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.343649]  ? lock_downgrade+0x900/0x900
[  349.347791]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.352886]  ? pvclock_read_flags+0x160/0x160
[  349.357371]  ? lapic_next_event+0x5a/0x90
[  349.361517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.367046]  ? kvm_clock_read+0x18/0x30
[  349.371193]  ? kvm_sched_clock_read+0x9/0x20
[  349.375597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.381135]  ? check_preemption_disabled+0x48/0x280
[  349.386149]  irq_exit+0x17f/0x1c0
[  349.389593]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.394428]  ? smp_reschedule_interrupt+0x109/0x650
[  349.399437]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.405310]  ? interrupt_entry+0xb5/0xc0
[  349.409371]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.414378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.419385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.424219]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.429223]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.434244]  ? task_prio+0x50/0x50
[  349.437775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.443308]  ? check_preemption_disabled+0x48/0x280
[  349.448323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.453165]  apic_timer_interrupt+0xf/0x20
[  349.457391]  </IRQ>
[  349.459621] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  349.464539] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  349.483513] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.491208] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  349.498470] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  349.505732] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  349.513004] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  349.520263] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  349.527655]  skb_clone+0x1bb/0x500
[  349.531191]  ? finish_task_switch+0x2f4/0x910
[  349.535679]  ? skb_split+0x11e0/0x11e0
[  349.539556]  ? preempt_notifier_register+0x200/0x200
[  349.544648]  ? __switch_to_asm+0x34/0x70
[  349.548715]  ? __switch_to_asm+0x34/0x70
[  349.552765]  ? __switch_to_asm+0x40/0x70
[  349.556812]  ? __switch_to_asm+0x34/0x70
[  349.560858]  ? __switch_to_asm+0x40/0x70
[  349.564925]  ? __switch_to_asm+0x34/0x70
[  349.568978]  ? __switch_to_asm+0x40/0x70
[  349.573036]  ? __switch_to_asm+0x34/0x70
[  349.577093]  ? __switch_to_asm+0x34/0x70
[  349.581164]  ? __switch_to_asm+0x40/0x70
[  349.585315]  ? __switch_to_asm+0x34/0x70
[  349.589372]  bpf_clone_redirect+0xb9/0x490
[  349.593602]  ? __schedule+0x8d7/0x21d0
[  349.597479]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  349.602484]  ? __sched_text_start+0x8/0x8
[  349.606650]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.611407]  ? find_held_lock+0x36/0x1c0
[  349.615463]  ? lock_acquire+0x1ed/0x520
[  349.619430]  ? bpf_test_run+0x3ee/0x7a0
[  349.623499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.629128]  ? check_preemption_disabled+0x48/0x280
[  349.634146]  ? kasan_check_read+0x11/0x20
[  349.638282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.643546]  ? rcu_softirq_qs+0x20/0x20
[  349.647510]  ? preempt_schedule+0x4d/0x60
[  349.651652]  ? ___preempt_schedule+0x16/0x18
[  349.656053]  ? bpf_test_run+0x271/0x7a0
[  349.660021]  ? netlink_diag_dump+0x2a0/0x2a0
[  349.664438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.669960]  ? bpf_test_init.isra.10+0x70/0x100
[  349.674622]  ? bpf_prog_test_run_skb+0x762/0xd60
[  349.679382]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  349.684219]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.689761]  ? fput+0x130/0x1a0
[  349.693051]  ? __bpf_prog_get+0x9b/0x290
[  349.697101]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  349.701931]  ? bpf_prog_test_run+0x130/0x1a0
[  349.706331]  ? __x64_sys_bpf+0x3d8/0x520
[  349.710382]  ? bpf_prog_get+0x20/0x20
[  349.714188]  ? do_syscall_64+0x1b9/0x820
[  349.718238]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  349.723599]  ? syscall_return_slowpath+0x5e0/0x5e0
[  349.728519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.733368]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.738391]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  349.743399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.748924]  ? prepare_exit_to_usermode+0x291/0x3b0
[  349.753929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.758766]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  349.764154] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  349.764222] aoe: skb alloc failure
[  349.770989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.770993] Call Trace:
[  349.771010]  dump_stack+0x244/0x39d
[  349.771027]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.774564] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.783904]  warn_alloc.cold.116+0xb7/0x1bd
[  349.786444] syz-executor5 cpuset=syz5 mems_allowed=0
[  349.790055]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.819976]  ? lock_downgrade+0x900/0x900
[  349.824128]  ? trace_hardirqs_off+0xb8/0x310
[  349.828531]  ? trace_hardirqs_off+0xb8/0x310
[  349.832947]  __alloc_pages_slowpath+0x2651/0x2de0
[  349.837836]  ? warn_alloc+0x120/0x120
[  349.841638]  ? print_usage_bug+0xc0/0xc0
[  349.845690]  ? warn_alloc+0x120/0x120
[  349.849484]  ? warn_alloc+0x120/0x120
[  349.853272]  ? print_usage_bug+0xc0/0xc0
[  349.857324]  ? print_usage_bug+0xc0/0xc0
[  349.861378]  ? __lock_acquire+0x62f/0x4c20
[  349.865610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.871149]  ? should_fail+0x22d/0xd01
[  349.875026]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.880146]  ? __lock_acquire+0x62f/0x4c20
[  349.884370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.889472]  ? __lock_acquire+0x62f/0x4c20
[  349.893694]  ? should_fail+0x22d/0xd01
[  349.897577]  ? find_held_lock+0x36/0x1c0
[  349.901636]  ? mark_held_locks+0x130/0x130
[  349.905861]  ? mark_held_locks+0x130/0x130
[  349.910085]  ? zap_class+0x640/0x640
[  349.913786]  ? zap_class+0x640/0x640
[  349.917495]  ? print_usage_bug+0xc0/0xc0
[  349.921547]  ? do_raw_spin_unlock+0xa7/0x330
[  349.925965]  ? zap_class+0x640/0x640
[  349.929678]  ? print_usage_bug+0xc0/0xc0
[  349.933740]  ? wq_watchdog_touch+0x9c/0xfe
[  349.937971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.943507]  ? check_preemption_disabled+0x48/0x280
[  349.948520]  ? __lock_is_held+0xb5/0x140
[  349.952590]  __alloc_pages_nodemask+0xad8/0xea0
[  349.957249]  ? zap_class+0x640/0x640
[  349.960959]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  349.965986]  ? find_held_lock+0x36/0x1c0
[  349.970065]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.974729]  ? lock_downgrade+0x900/0x900
[  349.978875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.984412]  cache_grow_begin+0xa5/0x8c0
[  349.988459]  ? do_raw_spin_unlock+0xa7/0x330
[  349.992861]  fallback_alloc+0x204/0x2e0
[  349.996828]  ____cache_alloc_node+0x1c7/0x1e0
[  350.001401]  kmem_cache_alloc_node+0xe3/0x730
[  350.005888]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.010121]  __alloc_skb+0x119/0x770
[  350.013827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.019107]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.023503]  ? lock_downgrade+0x900/0x900
[  350.027666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.033194]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.038641]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.044084]  ? addrconf_rs_timer+0x690/0x690
[  350.048492]  ndisc_alloc_skb+0x144/0x340
[  350.052639]  ndisc_send_rs+0x331/0x6e0
[  350.056525]  addrconf_rs_timer+0x314/0x690
[  350.060765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.065005]  call_timer_fn+0x272/0x920
[  350.068879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.073116]  ? process_timeout+0x40/0x40
[  350.077168]  ? __run_timers+0x7da/0xc70
[  350.081133]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.085626]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.090112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.094355]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.098925]  ? trace_hardirqs_on+0xbd/0x310
[  350.103236]  ? kasan_check_read+0x11/0x20
[  350.107376]  ? __run_timers+0x7da/0xc70
[  350.111346]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.116438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.120670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.124896]  __run_timers+0x7e5/0xc70
[  350.128699]  ? timer_fixup_init+0x70/0x70
[  350.132842]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.137498]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.141986]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.146570]  ? trace_hardirqs_on+0xbd/0x310
[  350.150888]  ? kasan_check_read+0x11/0x20
[  350.155028]  ? finish_task_switch+0x1f4/0x910
[  350.159514]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.164608]  ? compat_start_thread+0x80/0x80
[  350.169030]  ? pvclock_read_flags+0x160/0x160
[  350.173535]  ? __switch_to_asm+0x34/0x70
[  350.177609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.183138]  ? check_preemption_disabled+0x48/0x280
[  350.188157]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  350.193693]  ? rcu_pm_notify+0xc0/0xc0
[  350.197587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.203134]  ? check_preemption_disabled+0x48/0x280
[  350.208145]  run_timer_softirq+0x52/0xb0
[  350.212197]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.217211]  __do_softirq+0x308/0xb7e
[  350.221007]  ? retint_kernel+0x2d/0x2d
[  350.224897]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.230004]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.235451]  ? retint_kernel+0x2d/0x2d
[  350.239334]  ? schedule+0x108/0x460
[  350.242965]  ? trace_hardirqs_off+0xb8/0x310
[  350.247364]  ? smpboot_thread_fn+0x68b/0xa00
[  350.251766]  ? trace_hardirqs_on+0x310/0x310
[  350.256163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.261801]  ? check_preemption_disabled+0x48/0x280
[  350.266810]  ? takeover_tasklets+0xa90/0xa90
[  350.271212]  run_ksoftirqd+0x5e/0x100
[  350.275006]  smpboot_thread_fn+0x68b/0xa00
[  350.279234]  ? sort_range+0x30/0x30
[  350.282876]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.287976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.293511]  ? __kthread_parkme+0xfb/0x1a0
[  350.297744]  ? sort_range+0x30/0x30
[  350.301380]  kthread+0x35a/0x440
[  350.304737]  ? kthread_stop+0x900/0x900
[  350.308700]  ret_from_fork+0x3a/0x50
[  350.312417] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  350.312421] warn_alloc_show_mem: 1 callbacks suppressed
[  350.312426] Mem-Info:
[  350.319771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.325139] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  350.325139]  active_file:17 inactive_file:17 isolated_file:0
[  350.325139]  unevictable:0 dirty:0 writeback:0 unstable:0
[  350.325139]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  350.325139]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  350.325139]  free:13768 free_pcp:279 free_cma:0
[  350.327502] Call Trace:
[  350.336868] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  350.370109]  <IRQ>
[  350.372670] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  350.400324]  dump_stack+0x244/0x39d
[  350.402448] lowmem_reserve[]: 0 2818 6321 6321
[  350.428663]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.432260] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  350.436835]  warn_alloc.cold.116+0xb7/0x1bd
[  350.441982] lowmem_reserve[]: 0 0 3503 3503
[  350.469601]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.473894] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  350.478208]  ? lock_downgrade+0x900/0x900
[  350.483014] lowmem_reserve[]: 0 0 0 0
[  350.512092]  ? trace_hardirqs_off+0xb8/0x310
[  350.516205] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  350.519997]  ? trace_hardirqs_off+0xb8/0x310
[  350.524372] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  350.537903]  __alloc_pages_slowpath+0x2651/0x2de0
[  350.542291] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  350.557473]  ? warn_alloc+0x120/0x120
[  350.562286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  350.577000]  ? warn_alloc+0x120/0x120
[  350.580785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.589603]  ? __lock_acquire+0x62f/0x4c20
[  350.593386] 1758 total pagecache pages
[  350.601958]  ? warn_alloc+0x120/0x120
[  350.606167] 0 pages in swap cache
[  350.610034]  ? print_usage_bug+0xc0/0xc0
[  350.613910] Swap cache stats: add 0, delete 0, find 0/0
[  350.617354]  ? print_usage_bug+0xc0/0xc0
[  350.621382] Free swap  = 0kB
[  350.627216]  ? mark_held_locks+0x130/0x130
[  350.631247] Total swap = 0kB
[  350.634251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.638449] 1965979 pages RAM
[  350.641450]  ? should_fail+0x22d/0xd01
[  350.641467]  ? zap_class+0x640/0x640
[  350.646985] 0 pages HighMem/MovableOnly
[  350.646992] 342853 pages reserved
[  350.650078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.653931] 0 pages cma reserved
[  350.657625]  ? __lock_acquire+0x62f/0x4c20
[  350.661659] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.665112]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.670253] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.673550]  ? should_fail+0x22d/0xd01
[  350.677749] ksoftirqd/0 cpuset=/ mems_allowed=0
[  350.684228]  ? mark_held_locks+0x130/0x130
[  350.712320]  ? mark_held_locks+0x130/0x130
[  350.716547]  ? lock_downgrade+0x900/0x900
[  350.720684]  ? zap_class+0x640/0x640
[  350.724385]  ? zap_class+0x640/0x640
[  350.728088]  ? zap_class+0x640/0x640
[  350.731787]  ? do_raw_spin_unlock+0xa7/0x330
[  350.736189]  ? trace_hardirqs_on+0x310/0x310
[  350.740590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.746134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.751663]  ? check_preemption_disabled+0x48/0x280
[  350.756690]  ? __lock_is_held+0xb5/0x140
[  350.760752]  __alloc_pages_nodemask+0xad8/0xea0
[  350.765412]  ? zap_class+0x640/0x640
[  350.769125]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  350.774141]  ? find_held_lock+0x36/0x1c0
[  350.778200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.782966]  ? lock_downgrade+0x900/0x900
[  350.787118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.792670]  cache_grow_begin+0xa5/0x8c0
[  350.796727]  ? do_raw_spin_unlock+0xa7/0x330
[  350.801135]  fallback_alloc+0x204/0x2e0
[  350.805109]  ____cache_alloc_node+0x1c7/0x1e0
[  350.809606]  kmem_cache_alloc_node+0xe3/0x730
[  350.814103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.818692]  __alloc_skb+0x119/0x770
[  350.822397]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  350.827754]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.832179]  ? vprintk_default+0x28/0x30
[  350.836249]  ? vprintk_func+0x85/0x181
[  350.840138]  ? printk+0xa7/0xcf
[  350.843412]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  350.848171]  new_skb+0x26/0x1c0
[  350.851444]  aoecmd_cfg+0x279/0x7f0
[  350.855062]  ? find_held_lock+0x36/0x1c0
[  350.859115]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  350.863428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.868961]  ? __lock_is_held+0xb5/0x140
[  350.873025]  discover_timer+0x50/0x60
[  350.876835]  call_timer_fn+0x272/0x920
[  350.880715]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.885553]  ? process_timeout+0x40/0x40
[  350.889611]  ? __run_timers+0x7da/0xc70
[  350.893579]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.898159]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.902641]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.907472]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.912067]  ? trace_hardirqs_on+0xbd/0x310
[  350.916378]  ? kasan_check_read+0x11/0x20
[  350.920516]  ? __run_timers+0x7da/0xc70
[  350.924492]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.929595]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.934423]  __run_timers+0x7e5/0xc70
[  350.938233]  ? timer_fixup_init+0x70/0x70
[  350.942388]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.947416]  ? zap_class+0x640/0x640
[  350.951156]  ? enqueue_hrtimer+0x1a5/0x560
[  350.955470]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.960683]  ? find_held_lock+0x36/0x1c0
[  350.964740]  ? zap_class+0x640/0x640
[  350.968536]  ? pvclock_read_flags+0x160/0x160
[  350.973034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.978564]  ? check_preemption_disabled+0x48/0x280
[  350.983580]  ? __lock_is_held+0xb5/0x140
[  350.987640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.993168]  ? check_preemption_disabled+0x48/0x280
[  350.998175]  run_timer_softirq+0x52/0xb0
[  351.002234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.007237]  __do_softirq+0x308/0xb7e
[  351.011035]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.015522]  ? lock_downgrade+0x900/0x900
[  351.019667]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.024767]  ? pvclock_read_flags+0x160/0x160
[  351.029254]  ? lapic_next_event+0x5a/0x90
[  351.033396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.038926]  ? kvm_clock_read+0x18/0x30
[  351.042890]  ? kvm_sched_clock_read+0x9/0x20
[  351.047294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.052826]  ? check_preemption_disabled+0x48/0x280
[  351.057840]  irq_exit+0x17f/0x1c0
[  351.061283]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.066113]  ? smp_reschedule_interrupt+0x109/0x650
[  351.071120]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.077005]  ? interrupt_entry+0xb5/0xc0
[  351.081072]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.086499]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.091520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.096350]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.101353]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.106445]  ? task_prio+0x50/0x50
[  351.109989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.115518]  ? check_preemption_disabled+0x48/0x280
[  351.120526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.125371]  apic_timer_interrupt+0xf/0x20
[  351.129599]  </IRQ>
[  351.131827] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  351.136748] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  351.155640] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  351.163338] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  351.170592] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  351.177851] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  351.185105] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  351.192361] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  351.199650]  skb_clone+0x1bb/0x500
[  351.203183]  ? finish_task_switch+0x2f4/0x910
[  351.207667]  ? skb_split+0x11e0/0x11e0
[  351.211568]  ? preempt_notifier_register+0x200/0x200
[  351.216660]  ? __switch_to_asm+0x34/0x70
[  351.220711]  ? __switch_to_asm+0x34/0x70
[  351.224758]  ? __switch_to_asm+0x40/0x70
[  351.228807]  ? __switch_to_asm+0x34/0x70
[  351.232877]  ? __switch_to_asm+0x40/0x70
[  351.236924]  ? __switch_to_asm+0x34/0x70
[  351.240975]  ? __switch_to_asm+0x40/0x70
[  351.245029]  ? __switch_to_asm+0x34/0x70
[  351.249080]  ? __switch_to_asm+0x34/0x70
[  351.253127]  ? __switch_to_asm+0x40/0x70
[  351.257189]  ? __switch_to_asm+0x34/0x70
[  351.261245]  bpf_clone_redirect+0xb9/0x490
[  351.265472]  ? __schedule+0x8d7/0x21d0
[  351.269354]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  351.274366]  ? __sched_text_start+0x8/0x8
[  351.278503]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  351.283345]  ? find_held_lock+0x36/0x1c0
[  351.287403]  ? lock_acquire+0x1ed/0x520
[  351.291368]  ? bpf_test_run+0x3ee/0x7a0
[  351.295334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.300857]  ? check_preemption_disabled+0x48/0x280
[  351.305866]  ? kasan_check_read+0x11/0x20
[  351.310005]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.315346]  ? rcu_softirq_qs+0x20/0x20
[  351.319310]  ? preempt_schedule+0x4d/0x60
[  351.323460]  ? ___preempt_schedule+0x16/0x18
[  351.327973]  ? bpf_test_run+0x271/0x7a0
[  351.331953]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.336359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.341882]  ? bpf_test_init.isra.10+0x70/0x100
[  351.346552]  ? bpf_prog_test_run_skb+0x762/0xd60
[  351.351305]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.356143]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.361671]  ? fput+0x130/0x1a0
[  351.364944]  ? __bpf_prog_get+0x9b/0x290
[  351.369005]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.373836]  ? bpf_prog_test_run+0x130/0x1a0
[  351.378236]  ? __x64_sys_bpf+0x3d8/0x520
[  351.382293]  ? bpf_prog_get+0x20/0x20
[  351.386106]  ? do_syscall_64+0x1b9/0x820
[  351.390161]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.395524]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.400459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.405290]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.410307]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.415311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.420942]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.425965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.430803]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.436168] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  351.436238] aoe: skb alloc failure
[  351.442999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.443004] Call Trace:
[  351.443020]  dump_stack+0x244/0x39d
[  351.443037]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.446574] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.455894]  warn_alloc.cold.116+0xb7/0x1bd
[  351.458452] syz-executor5 cpuset=syz5 mems_allowed=0
[  351.462060]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.491888]  ? lock_downgrade+0x900/0x900
[  351.496058]  ? trace_hardirqs_off+0xb8/0x310
[  351.500467]  ? trace_hardirqs_off+0xb8/0x310
[  351.504875]  __alloc_pages_slowpath+0x2651/0x2de0
[  351.510002]  ? warn_alloc+0x120/0x120
[  351.513793]  ? print_usage_bug+0xc0/0xc0
[  351.517850]  ? warn_alloc+0x120/0x120
[  351.521664]  ? warn_alloc+0x120/0x120
[  351.525467]  ? print_usage_bug+0xc0/0xc0
[  351.529538]  ? print_usage_bug+0xc0/0xc0
[  351.533589]  ? __lock_acquire+0x62f/0x4c20
[  351.537816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.543345]  ? should_fail+0x22d/0xd01
[  351.547236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.552329]  ? __lock_acquire+0x62f/0x4c20
[  351.556572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.561663]  ? __lock_acquire+0x62f/0x4c20
[  351.565902]  ? should_fail+0x22d/0xd01
[  351.569787]  ? find_held_lock+0x36/0x1c0
[  351.573850]  ? mark_held_locks+0x130/0x130
[  351.578083]  ? mark_held_locks+0x130/0x130
[  351.582310]  ? zap_class+0x640/0x640
[  351.586018]  ? zap_class+0x640/0x640
[  351.589729]  ? print_usage_bug+0xc0/0xc0
[  351.593790]  ? do_raw_spin_unlock+0xa7/0x330
[  351.598186]  ? zap_class+0x640/0x640
[  351.601891]  ? print_usage_bug+0xc0/0xc0
[  351.605947]  ? wq_watchdog_touch+0x9c/0xfe
[  351.610266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.615792]  ? check_preemption_disabled+0x48/0x280
[  351.620804]  ? __lock_is_held+0xb5/0x140
[  351.624859]  __alloc_pages_nodemask+0xad8/0xea0
[  351.629517]  ? zap_class+0x640/0x640
[  351.633227]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  351.638241]  ? find_held_lock+0x36/0x1c0
[  351.642301]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.646978]  ? lock_downgrade+0x900/0x900
[  351.651120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.656652]  cache_grow_begin+0xa5/0x8c0
[  351.660706]  ? do_raw_spin_unlock+0xa7/0x330
[  351.665132]  fallback_alloc+0x204/0x2e0
[  351.669104]  ____cache_alloc_node+0x1c7/0x1e0
[  351.673594]  kmem_cache_alloc_node+0xe3/0x730
[  351.678081]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.682322]  __alloc_skb+0x119/0x770
[  351.686041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.691332]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.695734]  ? lock_downgrade+0x900/0x900
[  351.699880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.705417]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.710894]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.716336]  ? addrconf_rs_timer+0x690/0x690
[  351.720750]  ndisc_alloc_skb+0x144/0x340
[  351.724835]  ndisc_send_rs+0x331/0x6e0
[  351.728729]  addrconf_rs_timer+0x314/0x690
[  351.732958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.737194]  call_timer_fn+0x272/0x920
[  351.741073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.745300]  ? process_timeout+0x40/0x40
[  351.749361]  ? __run_timers+0x7da/0xc70
[  351.753331]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.757820]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.762314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.766558]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.771137]  ? trace_hardirqs_on+0xbd/0x310
[  351.775457]  ? kasan_check_read+0x11/0x20
[  351.779594]  ? __run_timers+0x7da/0xc70
[  351.783559]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.788653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.792880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.797113]  __run_timers+0x7e5/0xc70
[  351.800921]  ? timer_fixup_init+0x70/0x70
[  351.805074]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.809555]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.814049]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.818621]  ? trace_hardirqs_on+0xbd/0x310
[  351.822931]  ? kasan_check_read+0x11/0x20
[  351.827070]  ? finish_task_switch+0x1f4/0x910
[  351.831555]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.836645]  ? compat_start_thread+0x80/0x80
[  351.841060]  ? pvclock_read_flags+0x160/0x160
[  351.845552]  ? __switch_to_asm+0x34/0x70
[  351.849602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.855132]  ? check_preemption_disabled+0x48/0x280
[  351.860143]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  351.865681]  ? rcu_pm_notify+0xc0/0xc0
[  351.869557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.875082]  ? check_preemption_disabled+0x48/0x280
[  351.880092]  run_timer_softirq+0x52/0xb0
[  351.884143]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.889149]  __do_softirq+0x308/0xb7e
[  351.892941]  ? retint_kernel+0x2d/0x2d
[  351.896820]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.901909]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.907346]  ? retint_kernel+0x2d/0x2d
[  351.911235]  ? schedule+0x108/0x460
[  351.914861]  ? trace_hardirqs_off+0xb8/0x310
[  351.919267]  ? smpboot_thread_fn+0x68b/0xa00
[  351.923686]  ? trace_hardirqs_on+0x310/0x310
[  351.928090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.933617]  ? check_preemption_disabled+0x48/0x280
[  351.938630]  ? takeover_tasklets+0xa90/0xa90
[  351.943034]  run_ksoftirqd+0x5e/0x100
[  351.946826]  smpboot_thread_fn+0x68b/0xa00
[  351.951086]  ? sort_range+0x30/0x30
[  351.954714]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  351.959805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.965372]  ? __kthread_parkme+0xfb/0x1a0
[  351.969617]  ? sort_range+0x30/0x30
[  351.973250]  kthread+0x35a/0x440
[  351.976612]  ? kthread_stop+0x900/0x900
[  351.980582]  ret_from_fork+0x3a/0x50
[  351.984311] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  351.984315] warn_alloc_show_mem: 1 callbacks suppressed
[  351.984322] Mem-Info:
[  351.991683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.997047] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  351.997047]  active_file:17 inactive_file:17 isolated_file:0
[  351.997047]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.997047]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  351.997047]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  351.997047]  free:13768 free_pcp:279 free_cma:0
[  351.999416] Call Trace:
[  352.008786] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  352.041882]  <IRQ>
[  352.044462] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  352.072217]  dump_stack+0x244/0x39d
[  352.074333] lowmem_reserve[]: 0 2818 6321 6321
[  352.100532]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.104127] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  352.108701]  warn_alloc.cold.116+0xb7/0x1bd
[  352.113847] lowmem_reserve[]: 0 0 3503 3503
[  352.141247]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.145571] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  352.149886]  ? lock_downgrade+0x900/0x900
[  352.154693] lowmem_reserve[]: 0 0 0 0
[  352.183753]  ? trace_hardirqs_off+0xb8/0x310
[  352.187864] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  352.191658]  ? trace_hardirqs_off+0xb8/0x310
[  352.196048] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  352.209571]  __alloc_pages_slowpath+0x2651/0x2de0
[  352.213937] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  352.229113]  ? warn_alloc+0x120/0x120
[  352.233927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  352.248645]  ? warn_alloc+0x120/0x120
[  352.252417] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  352.261233]  ? __lock_acquire+0x62f/0x4c20
[  352.265001] 1758 total pagecache pages
[  352.273554]  ? warn_alloc+0x120/0x120
[  352.277760] 0 pages in swap cache
[  352.281626]  ? print_usage_bug+0xc0/0xc0
[  352.285402] Swap cache stats: add 0, delete 0, find 0/0
[  352.288833]  ? print_usage_bug+0xc0/0xc0
[  352.292862] Free swap  = 0kB
[  352.298206]  ? mark_held_locks+0x130/0x130
[  352.302230] Total swap = 0kB
[  352.305236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.309437] 1965979 pages RAM
[  352.312440]  ? should_fail+0x22d/0xd01
[  352.317970] 0 pages HighMem/MovableOnly
[  352.317976] 342853 pages reserved
[  352.321073]  ? zap_class+0x640/0x640
[  352.324930] 0 pages cma reserved
[  352.328901]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.332429] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.336022]  ? __lock_acquire+0x62f/0x4c20
[  352.339421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.344451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.350922] ksoftirqd/0 cpuset=/ mems_allowed=0
[  352.355140]  ? should_fail+0x22d/0xd01
[  352.379041]  ? mark_held_locks+0x130/0x130
[  352.383269]  ? mark_held_locks+0x130/0x130
[  352.387490]  ? lock_downgrade+0x900/0x900
[  352.391642]  ? zap_class+0x640/0x640
[  352.395365]  ? zap_class+0x640/0x640
[  352.399073]  ? zap_class+0x640/0x640
[  352.402778]  ? do_raw_spin_unlock+0xa7/0x330
[  352.407176]  ? trace_hardirqs_on+0x310/0x310
[  352.411572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.417105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.422637]  ? check_preemption_disabled+0x48/0x280
[  352.427658]  ? __lock_is_held+0xb5/0x140
[  352.431714]  __alloc_pages_nodemask+0xad8/0xea0
[  352.436389]  ? zap_class+0x640/0x640
[  352.440102]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  352.445123]  ? find_held_lock+0x36/0x1c0
[  352.449201]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.454267]  ? lock_downgrade+0x900/0x900
[  352.458434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.463969]  cache_grow_begin+0xa5/0x8c0
[  352.468024]  ? do_raw_spin_unlock+0xa7/0x330
[  352.472443]  fallback_alloc+0x204/0x2e0
[  352.476416]  ____cache_alloc_node+0x1c7/0x1e0
[  352.480910]  kmem_cache_alloc_node+0xe3/0x730
[  352.485402]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.489986]  __alloc_skb+0x119/0x770
[  352.493690]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  352.499049]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.503461]  ? vprintk_default+0x28/0x30
[  352.507516]  ? vprintk_func+0x85/0x181
[  352.511409]  ? printk+0xa7/0xcf
[  352.514688]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  352.519448]  new_skb+0x26/0x1c0
[  352.522723]  aoecmd_cfg+0x279/0x7f0
[  352.526354]  ? find_held_lock+0x36/0x1c0
[  352.530425]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  352.534745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.540283]  ? __lock_is_held+0xb5/0x140
[  352.544358]  discover_timer+0x50/0x60
[  352.548152]  call_timer_fn+0x272/0x920
[  352.552030]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  352.556869]  ? process_timeout+0x40/0x40
[  352.560931]  ? __run_timers+0x7da/0xc70
[  352.564905]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.569395]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.573888]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  352.578730]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.583333]  ? trace_hardirqs_on+0xbd/0x310
[  352.587825]  ? kasan_check_read+0x11/0x20
[  352.591971]  ? __run_timers+0x7da/0xc70
[  352.595945]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.601053]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  352.605890]  __run_timers+0x7e5/0xc70
[  352.609692]  ? timer_fixup_init+0x70/0x70
[  352.613834]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  352.618856]  ? zap_class+0x640/0x640
[  352.623045]  ? enqueue_hrtimer+0x1a5/0x560
[  352.627273]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  352.632465]  ? find_held_lock+0x36/0x1c0
[  352.636528]  ? zap_class+0x640/0x640
[  352.640244]  ? pvclock_read_flags+0x160/0x160
[  352.644750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.650285]  ? check_preemption_disabled+0x48/0x280
[  352.655300]  ? __lock_is_held+0xb5/0x140
[  352.659356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.664998]  ? check_preemption_disabled+0x48/0x280
[  352.670010]  run_timer_softirq+0x52/0xb0
[  352.674062]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.679071]  __do_softirq+0x308/0xb7e
[  352.682884]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.687369]  ? lock_downgrade+0x900/0x900
[  352.691510]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.696610]  ? pvclock_read_flags+0x160/0x160
[  352.701113]  ? lapic_next_event+0x5a/0x90
[  352.705255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.710783]  ? kvm_clock_read+0x18/0x30
[  352.714745]  ? kvm_sched_clock_read+0x9/0x20
[  352.719148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.724675]  ? check_preemption_disabled+0x48/0x280
[  352.729692]  irq_exit+0x17f/0x1c0
[  352.733138]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.737971]  ? smp_reschedule_interrupt+0x109/0x650
[  352.742979]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.748857]  ? interrupt_entry+0xb5/0xc0
[  352.752911]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.757920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.763017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.767848]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.772880]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.777888]  ? task_prio+0x50/0x50
[  352.781440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.786999]  ? check_preemption_disabled+0x48/0x280
[  352.792036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.796875]  apic_timer_interrupt+0xf/0x20
[  352.801095]  </IRQ>
[  352.803332] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  352.808356] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  352.827249] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.834950] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  352.842234] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  352.849495] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  352.856754] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  352.864025] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  352.871330]  skb_clone+0x1bb/0x500
[  352.874860]  ? finish_task_switch+0x2f4/0x910
[  352.879343]  ? skb_split+0x11e0/0x11e0
[  352.883219]  ? preempt_notifier_register+0x200/0x200
[  352.888311]  ? __switch_to_asm+0x34/0x70
[  352.892361]  ? __switch_to_asm+0x34/0x70
[  352.896409]  ? __switch_to_asm+0x40/0x70
[  352.900458]  ? __switch_to_asm+0x34/0x70
[  352.904530]  ? __switch_to_asm+0x40/0x70
[  352.908577]  ? __switch_to_asm+0x34/0x70
[  352.912626]  ? __switch_to_asm+0x40/0x70
[  352.916670]  ? __switch_to_asm+0x34/0x70
[  352.920716]  ? __switch_to_asm+0x34/0x70
[  352.924770]  ? __switch_to_asm+0x40/0x70
[  352.928829]  ? __switch_to_asm+0x34/0x70
[  352.932910]  bpf_clone_redirect+0xb9/0x490
[  352.937134]  ? __schedule+0x8d7/0x21d0
[  352.941021]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  352.946032]  ? __sched_text_start+0x8/0x8
[  352.950167]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.954921]  ? find_held_lock+0x36/0x1c0
[  352.958999]  ? lock_acquire+0x1ed/0x520
[  352.962964]  ? bpf_test_run+0x3ee/0x7a0
[  352.966938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.972478]  ? check_preemption_disabled+0x48/0x280
[  352.977490]  ? kasan_check_read+0x11/0x20
[  352.981625]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.986889]  ? rcu_softirq_qs+0x20/0x20
[  352.990859]  ? preempt_schedule+0x4d/0x60
[  352.994995]  ? ___preempt_schedule+0x16/0x18
[  352.999410]  ? bpf_test_run+0x271/0x7a0
[  353.003387]  ? netlink_diag_dump+0x2a0/0x2a0
[  353.007794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.013329]  ? bpf_test_init.isra.10+0x70/0x100
[  353.018002]  ? bpf_prog_test_run_skb+0x762/0xd60
[  353.022757]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  353.027606]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.033137]  ? fput+0x130/0x1a0
[  353.036410]  ? __bpf_prog_get+0x9b/0x290
[  353.040467]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  353.045312]  ? bpf_prog_test_run+0x130/0x1a0
[  353.049715]  ? __x64_sys_bpf+0x3d8/0x520
[  353.053780]  ? bpf_prog_get+0x20/0x20
[  353.057600]  ? do_syscall_64+0x1b9/0x820
[  353.061663]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  353.067026]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.071952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.076807]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.081818]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  353.086840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.092371]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.097398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.102327]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  353.107703] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  353.107793] aoe: skb alloc failure
[  353.114536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.114541] Call Trace:
[  353.114558]  dump_stack+0x244/0x39d
[  353.114576]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.118111] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.127432]  warn_alloc.cold.116+0xb7/0x1bd
[  353.129983] syz-executor5 cpuset=syz5 mems_allowed=0
[  353.133597]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.163564]  ? lock_downgrade+0x900/0x900
[  353.167714]  ? trace_hardirqs_off+0xb8/0x310
[  353.172150]  ? trace_hardirqs_off+0xb8/0x310
[  353.176574]  __alloc_pages_slowpath+0x2651/0x2de0
[  353.181442]  ? warn_alloc+0x120/0x120
[  353.185239]  ? print_usage_bug+0xc0/0xc0
[  353.189307]  ? warn_alloc+0x120/0x120
[  353.193193]  ? warn_alloc+0x120/0x120
[  353.196992]  ? print_usage_bug+0xc0/0xc0
[  353.201049]  ? print_usage_bug+0xc0/0xc0
[  353.205101]  ? __lock_acquire+0x62f/0x4c20
[  353.209442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.214971]  ? should_fail+0x22d/0xd01
[  353.218851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.223943]  ? __lock_acquire+0x62f/0x4c20
[  353.228169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.233273]  ? __lock_acquire+0x62f/0x4c20
[  353.237504]  ? should_fail+0x22d/0xd01
[  353.241390]  ? find_held_lock+0x36/0x1c0
[  353.245454]  ? mark_held_locks+0x130/0x130
[  353.249708]  ? mark_held_locks+0x130/0x130
[  353.253947]  ? zap_class+0x640/0x640
[  353.257655]  ? zap_class+0x640/0x640
[  353.261373]  ? print_usage_bug+0xc0/0xc0
[  353.265432]  ? do_raw_spin_unlock+0xa7/0x330
[  353.269836]  ? zap_class+0x640/0x640
[  353.273666]  ? print_usage_bug+0xc0/0xc0
[  353.277738]  ? wq_watchdog_touch+0x9c/0xfe
[  353.281964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.287496]  ? check_preemption_disabled+0x48/0x280
[  353.292509]  ? __lock_is_held+0xb5/0x140
[  353.296584]  __alloc_pages_nodemask+0xad8/0xea0
[  353.301245]  ? zap_class+0x640/0x640
[  353.304969]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  353.309986]  ? find_held_lock+0x36/0x1c0
[  353.314046]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.318705]  ? lock_downgrade+0x900/0x900
[  353.322852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.328395]  cache_grow_begin+0xa5/0x8c0
[  353.332450]  ? do_raw_spin_unlock+0xa7/0x330
[  353.336857]  fallback_alloc+0x204/0x2e0
[  353.340826]  ____cache_alloc_node+0x1c7/0x1e0
[  353.345317]  kmem_cache_alloc_node+0xe3/0x730
[  353.349894]  ? ipv6_get_ifaddr+0x42e/0x620
[  353.354137]  __alloc_skb+0x119/0x770
[  353.357843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.363115]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.367516]  ? lock_downgrade+0x900/0x900
[  353.371687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.377246]  ? refcount_sub_and_test_checked+0x203/0x310
[  353.382709]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  353.388152]  ? addrconf_rs_timer+0x690/0x690
[  353.392569]  ndisc_alloc_skb+0x144/0x340
[  353.396631]  ndisc_send_rs+0x331/0x6e0
[  353.400525]  addrconf_rs_timer+0x314/0x690
[  353.404767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.409011]  call_timer_fn+0x272/0x920
[  353.412889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.417114]  ? process_timeout+0x40/0x40
[  353.421174]  ? __run_timers+0x7da/0xc70
[  353.425157]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.429639]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.434124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.438348]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.442920]  ? trace_hardirqs_on+0xbd/0x310
[  353.447228]  ? kasan_check_read+0x11/0x20
[  353.451371]  ? __run_timers+0x7da/0xc70
[  353.455792]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.460889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.465115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.469334]  __run_timers+0x7e5/0xc70
[  353.473129]  ? timer_fixup_init+0x70/0x70
[  353.477287]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.481800]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.486291]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.490873]  ? trace_hardirqs_on+0xbd/0x310
[  353.495528]  ? kasan_check_read+0x11/0x20
[  353.499685]  ? finish_task_switch+0x1f4/0x910
[  353.504173]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.509278]  ? compat_start_thread+0x80/0x80
[  353.513702]  ? pvclock_read_flags+0x160/0x160
[  353.518203]  ? __switch_to_asm+0x34/0x70
[  353.522266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.527826]  ? check_preemption_disabled+0x48/0x280
[  353.532870]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  353.538396]  ? rcu_pm_notify+0xc0/0xc0
[  353.542283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.547817]  ? check_preemption_disabled+0x48/0x280
[  353.552842]  run_timer_softirq+0x52/0xb0
[  353.556894]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.561908]  __do_softirq+0x308/0xb7e
[  353.565710]  ? retint_kernel+0x2d/0x2d
[  353.569584]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.574675]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.580131]  ? retint_kernel+0x2d/0x2d
[  353.584014]  ? schedule+0x108/0x460
[  353.587650]  ? trace_hardirqs_off+0xb8/0x310
[  353.592078]  ? smpboot_thread_fn+0x68b/0xa00
[  353.596472]  ? trace_hardirqs_on+0x310/0x310
[  353.600870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.606656]  ? check_preemption_disabled+0x48/0x280
[  353.611664]  ? takeover_tasklets+0xa90/0xa90
[  353.616059]  run_ksoftirqd+0x5e/0x100
[  353.619846]  smpboot_thread_fn+0x68b/0xa00
[  353.624093]  ? sort_range+0x30/0x30
[  353.627715]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.632807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.638333]  ? __kthread_parkme+0xfb/0x1a0
[  353.642559]  ? sort_range+0x30/0x30
[  353.646192]  kthread+0x35a/0x440
[  353.649554]  ? kthread_stop+0x900/0x900
[  353.653532]  ret_from_fork+0x3a/0x50
[  353.657266] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  353.657271] warn_alloc_show_mem: 1 callbacks suppressed
[  353.657278] Mem-Info:
[  353.664634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.664640] Call Trace:
[  353.670006] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  353.670006]  active_file:17 inactive_file:17 isolated_file:0
[  353.670006]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.670006]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  353.670006]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  353.670006]  free:13768 free_pcp:279 free_cma:0
[  353.672376]  <IRQ>
[  353.681729] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.684294]  dump_stack+0x244/0x39d
[  353.717323] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  353.719471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.747105] lowmem_reserve[]: 0 2818 6321 6321
[  353.750735]  warn_alloc.cold.116+0xb7/0x1bd
[  353.776910] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  353.782095]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.786637] lowmem_reserve[]: 0 0 3503 3503
[  353.790953]  ? lock_downgrade+0x900/0x900
[  353.818333] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  353.823167]  ? trace_hardirqs_off+0xb8/0x310
[  353.827459] lowmem_reserve[]: 0 0 0 0
[  353.831591]  ? trace_hardirqs_off+0xb8/0x310
[  353.860532] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  353.864929]  __alloc_pages_slowpath+0x2651/0x2de0
[  353.868705] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  353.873225]  ? warn_alloc+0x120/0x120
[  353.886694] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  353.891551]  ? warn_alloc+0x120/0x120
[  353.906723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  353.910507]  ? __lock_acquire+0x62f/0x4c20
[  353.925226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  353.928996]  ? warn_alloc+0x120/0x120
[  353.937803] 1758 total pagecache pages
[  353.942024]  ? print_usage_bug+0xc0/0xc0
[  353.950587] 0 pages in swap cache
[  353.954452]  ? print_usage_bug+0xc0/0xc0
[  353.958327] Swap cache stats: add 0, delete 0, find 0/0
[  353.962386]  ? mark_held_locks+0x130/0x130
[  353.965811] Free swap  = 0kB
[  353.969859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.975187] Total swap = 0kB
[  353.979410]  ? should_fail+0x22d/0xd01
[  353.982396] 1965979 pages RAM
[  353.987912]  ? zap_class+0x640/0x640
[  353.990899] 0 pages HighMem/MovableOnly
[  353.994766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.997851] 342853 pages reserved
[  354.001546]  ? __lock_acquire+0x62f/0x4c20
[  354.005488] 0 pages cma reserved
[  354.010572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.014071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.018231]  ? should_fail+0x22d/0xd01
[  354.022341] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.026886]  ? mark_held_locks+0x130/0x130
[  354.033340] ksoftirqd/0 cpuset=/ mems_allowed=0
[  354.037213]  ? mark_held_locks+0x130/0x130
[  354.060583]  ? lock_downgrade+0x900/0x900
[  354.064727]  ? zap_class+0x640/0x640
[  354.068433]  ? zap_class+0x640/0x640
[  354.072137]  ? zap_class+0x640/0x640
[  354.075841]  ? do_raw_spin_unlock+0xa7/0x330
[  354.080243]  ? trace_hardirqs_on+0x310/0x310
[  354.084641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.090170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.095719]  ? check_preemption_disabled+0x48/0x280
[  354.100733]  ? __lock_is_held+0xb5/0x140
[  354.104788]  __alloc_pages_nodemask+0xad8/0xea0
[  354.109447]  ? zap_class+0x640/0x640
[  354.113155]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  354.118168]  ? find_held_lock+0x36/0x1c0
[  354.122253]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.126912]  ? lock_downgrade+0x900/0x900
[  354.131056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.136583]  cache_grow_begin+0xa5/0x8c0
[  354.140632]  ? do_raw_spin_unlock+0xa7/0x330
[  354.145158]  fallback_alloc+0x204/0x2e0
[  354.149133]  ____cache_alloc_node+0x1c7/0x1e0
[  354.153624]  kmem_cache_alloc_node+0xe3/0x730
[  354.158140]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.162742]  __alloc_skb+0x119/0x770
[  354.166452]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  354.171911]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.176319]  ? vprintk_default+0x28/0x30
[  354.180372]  ? vprintk_func+0x85/0x181
[  354.184258]  ? printk+0xa7/0xcf
[  354.187527]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  354.192384]  new_skb+0x26/0x1c0
[  354.195654]  aoecmd_cfg+0x279/0x7f0
[  354.199284]  ? find_held_lock+0x36/0x1c0
[  354.203337]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  354.207654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.213196]  ? __lock_is_held+0xb5/0x140
[  354.217266]  discover_timer+0x50/0x60
[  354.221057]  call_timer_fn+0x272/0x920
[  354.224937]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  354.229779]  ? process_timeout+0x40/0x40
[  354.233833]  ? __run_timers+0x7da/0xc70
[  354.237804]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.242286]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.246767]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  354.251596]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.256171]  ? trace_hardirqs_on+0xbd/0x310
[  354.260489]  ? kasan_check_read+0x11/0x20
[  354.264631]  ? __run_timers+0x7da/0xc70
[  354.268594]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.273703]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  354.278552]  __run_timers+0x7e5/0xc70
[  354.282345]  ? timer_fixup_init+0x70/0x70
[  354.286503]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.291508]  ? zap_class+0x640/0x640
[  354.295218]  ? enqueue_hrtimer+0x1a5/0x560
[  354.299458]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.304739]  ? find_held_lock+0x36/0x1c0
[  354.308796]  ? zap_class+0x640/0x640
[  354.312504]  ? pvclock_read_flags+0x160/0x160
[  354.316989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.322521]  ? check_preemption_disabled+0x48/0x280
[  354.327540]  ? __lock_is_held+0xb5/0x140
[  354.331610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.337151]  ? check_preemption_disabled+0x48/0x280
[  354.342189]  run_timer_softirq+0x52/0xb0
[  354.346249]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.351264]  __do_softirq+0x308/0xb7e
[  354.355061]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.359553]  ? lock_downgrade+0x900/0x900
[  354.363705]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.368805]  ? pvclock_read_flags+0x160/0x160
[  354.373299]  ? lapic_next_event+0x5a/0x90
[  354.377445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.382991]  ? kvm_clock_read+0x18/0x30
[  354.386958]  ? kvm_sched_clock_read+0x9/0x20
[  354.391359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.396888]  ? check_preemption_disabled+0x48/0x280
[  354.401906]  irq_exit+0x17f/0x1c0
[  354.405356]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.410195]  ? smp_reschedule_interrupt+0x109/0x650
[  354.415200]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.421072]  ? interrupt_entry+0xb5/0xc0
[  354.425121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.430123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.435133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.439967]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.444969]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.449994]  ? task_prio+0x50/0x50
[  354.453527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.459276]  ? check_preemption_disabled+0x48/0x280
[  354.464304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.469142]  apic_timer_interrupt+0xf/0x20
[  354.473365]  </IRQ>
[  354.475593] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  354.480516] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  354.499423] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.507121] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.514380] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  354.521738] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  354.528994] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  354.536261] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  354.543556]  skb_clone+0x1bb/0x500
[  354.547096]  ? finish_task_switch+0x2f4/0x910
[  354.551586]  ? skb_split+0x11e0/0x11e0
[  354.555481]  ? preempt_notifier_register+0x200/0x200
[  354.560836]  ? __switch_to_asm+0x34/0x70
[  354.564901]  ? __switch_to_asm+0x34/0x70
[  354.568955]  ? __switch_to_asm+0x40/0x70
[  354.573002]  ? __switch_to_asm+0x34/0x70
[  354.577048]  ? __switch_to_asm+0x40/0x70
[  354.581102]  ? __switch_to_asm+0x34/0x70
[  354.585167]  ? __switch_to_asm+0x40/0x70
[  354.589215]  ? __switch_to_asm+0x34/0x70
[  354.593263]  ? __switch_to_asm+0x34/0x70
[  354.597310]  ? __switch_to_asm+0x40/0x70
[  354.601359]  ? __switch_to_asm+0x34/0x70
[  354.605410]  bpf_clone_redirect+0xb9/0x490
[  354.609638]  ? __schedule+0x8d7/0x21d0
[  354.613524]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  354.618652]  ? __sched_text_start+0x8/0x8
[  354.623286]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  354.628046]  ? find_held_lock+0x36/0x1c0
[  354.632105]  ? lock_acquire+0x1ed/0x520
[  354.636068]  ? bpf_test_run+0x3ee/0x7a0
[  354.640032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.645560]  ? check_preemption_disabled+0x48/0x280
[  354.650574]  ? kasan_check_read+0x11/0x20
[  354.654716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.659984]  ? rcu_softirq_qs+0x20/0x20
[  354.663966]  ? preempt_schedule+0x4d/0x60
[  354.668104]  ? ___preempt_schedule+0x16/0x18
[  354.672525]  ? bpf_test_run+0x271/0x7a0
[  354.676498]  ? netlink_diag_dump+0x2a0/0x2a0
[  354.680911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.686439]  ? bpf_test_init.isra.10+0x70/0x100
[  354.691104]  ? bpf_prog_test_run_skb+0x762/0xd60
[  354.695861]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.700808]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  354.706351]  ? fput+0x130/0x1a0
[  354.709620]  ? __bpf_prog_get+0x9b/0x290
[  354.713673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.718521]  ? bpf_prog_test_run+0x130/0x1a0
[  354.722930]  ? __x64_sys_bpf+0x3d8/0x520
[  354.726978]  ? bpf_prog_get+0x20/0x20
[  354.730793]  ? do_syscall_64+0x1b9/0x820
[  354.734840]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  354.740191]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.745197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.750032]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.755036]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  354.760038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.765564]  ? prepare_exit_to_usermode+0x291/0x3b0
[  354.770584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.775420]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  354.780805] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  354.780875] aoe: skb alloc failure
[  354.787676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.787683] Call Trace:
[  354.791269] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.800558]  dump_stack+0x244/0x39d
[  354.803112] syz-executor5 cpuset=syz5 mems_allowed=0
[  354.813591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.827666]  warn_alloc.cold.116+0xb7/0x1bd
[  354.831981]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.836818]  ? lock_downgrade+0x900/0x900
[  354.840972]  ? trace_hardirqs_off+0xb8/0x310
[  354.845381]  ? trace_hardirqs_off+0xb8/0x310
[  354.849790]  __alloc_pages_slowpath+0x2651/0x2de0
[  354.854670]  ? warn_alloc+0x120/0x120
[  354.858463]  ? __lock_acquire+0x62f/0x4c20
[  354.862686]  ? warn_alloc+0x120/0x120
[  354.866480]  ? warn_alloc+0x120/0x120
[  354.870282]  ? print_usage_bug+0xc0/0xc0
[  354.874339]  ? print_usage_bug+0xc0/0xc0
[  354.878407]  ? print_usage_bug+0xc0/0xc0
[  354.882465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.887990]  ? should_fail+0x22d/0xd01
[  354.891872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.896964]  ? __lock_acquire+0x62f/0x4c20
[  354.901215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.906397]  ? __lock_acquire+0x62f/0x4c20
[  354.910621]  ? should_fail+0x22d/0xd01
[  354.914520]  ? mark_held_locks+0x130/0x130
[  354.918749]  ? mark_held_locks+0x130/0x130
[  354.922972]  ? print_usage_bug+0xc0/0xc0
[  354.927024]  ? ret_from_fork+0x3a/0x50
[  354.930905]  ? zap_class+0x640/0x640
[  354.934627]  ? print_usage_bug+0xc0/0xc0
[  354.938680]  ? mark_held_locks+0x130/0x130
[  354.942907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.948446]  ? check_preemption_disabled+0x48/0x280
[  354.953454]  ? __lock_is_held+0xb5/0x140
[  354.957507]  __alloc_pages_nodemask+0xad8/0xea0
[  354.962168]  ? zap_class+0x640/0x640
[  354.965876]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  354.970887]  ? find_held_lock+0x36/0x1c0
[  354.974943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.979608]  ? lock_downgrade+0x900/0x900
[  354.983749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.989281]  cache_grow_begin+0xa5/0x8c0
[  354.993333]  ? do_raw_spin_unlock+0xa7/0x330
[  354.997737]  fallback_alloc+0x204/0x2e0
[  355.001704]  ____cache_alloc_node+0x1c7/0x1e0
[  355.006192]  kmem_cache_alloc_node+0xe3/0x730
[  355.010679]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.014922]  __alloc_skb+0x119/0x770
[  355.018623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.023895]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.028294]  ? lock_downgrade+0x900/0x900
[  355.032438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.037968]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.043413]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.048847]  ? addrconf_rs_timer+0x690/0x690
[  355.053252]  ndisc_alloc_skb+0x144/0x340
[  355.057303]  ndisc_send_rs+0x331/0x6e0
[  355.061182]  addrconf_rs_timer+0x314/0x690
[  355.065512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.069754]  call_timer_fn+0x272/0x920
[  355.073631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.077874]  ? process_timeout+0x40/0x40
[  355.081936]  ? __run_timers+0x7da/0xc70
[  355.085902]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.090400]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.094892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.099129]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.103699]  ? trace_hardirqs_on+0xbd/0x310
[  355.108132]  ? kasan_check_read+0x11/0x20
[  355.112268]  ? __run_timers+0x7da/0xc70
[  355.116252]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.121368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.125595]  __run_timers+0x7e5/0xc70
[  355.129392]  ? timer_fixup_init+0x70/0x70
[  355.133526]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.138008]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.142493]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.147064]  ? trace_hardirqs_on+0xbd/0x310
[  355.151373]  ? kasan_check_read+0x11/0x20
[  355.155513]  ? finish_task_switch+0x1f4/0x910
[  355.160001]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.165106]  ? compat_start_thread+0x80/0x80
[  355.169534]  ? pvclock_read_flags+0x160/0x160
[  355.174020]  ? __switch_to_asm+0x34/0x70
[  355.178075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.183615]  ? check_preemption_disabled+0x48/0x280
[  355.188633]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  355.194167]  ? rcu_pm_notify+0xc0/0xc0
[  355.198060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.203601]  ? check_preemption_disabled+0x48/0x280
[  355.208616]  run_timer_softirq+0x52/0xb0
[  355.212688]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.217702]  __do_softirq+0x308/0xb7e
[  355.221606]  ? retint_kernel+0x2d/0x2d
[  355.225488]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.230581]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.236016]  ? retint_kernel+0x2d/0x2d
[  355.239912]  ? schedule+0x108/0x460
[  355.243554]  ? trace_hardirqs_off+0xb8/0x310
[  355.247968]  ? smpboot_thread_fn+0x68b/0xa00
[  355.252368]  ? trace_hardirqs_on+0x310/0x310
[  355.256790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.262319]  ? check_preemption_disabled+0x48/0x280
[  355.267332]  ? takeover_tasklets+0xa90/0xa90
[  355.271731]  run_ksoftirqd+0x5e/0x100
[  355.275544]  smpboot_thread_fn+0x68b/0xa00
[  355.279774]  ? sort_range+0x30/0x30
[  355.283396]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.288507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.294036]  ? __kthread_parkme+0xfb/0x1a0
[  355.298278]  ? sort_range+0x30/0x30
[  355.301899]  kthread+0x35a/0x440
[  355.305260]  ? kthread_stop+0x900/0x900
[  355.309227]  ret_from_fork+0x3a/0x50
[  355.312947] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  355.312951] warn_alloc_show_mem: 1 callbacks suppressed
[  355.312956] Mem-Info:
[  355.320303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.325663] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  355.325663]  active_file:17 inactive_file:17 isolated_file:0
[  355.325663]  unevictable:0 dirty:0 writeback:0 unstable:0
[  355.325663]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  355.325663]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  355.325663]  free:13768 free_pcp:279 free_cma:0
[  355.328032] Call Trace:
[  355.337408] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  355.370708]  <IRQ>
[  355.373270] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  355.400931]  dump_stack+0x244/0x39d
[  355.403083] lowmem_reserve[]: 0 2818 6321 6321
[  355.429187]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.432780] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  355.437355]  warn_alloc.cold.116+0xb7/0x1bd
[  355.442504] lowmem_reserve[]: 0 0 3503 3503
[  355.469996]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.474286] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  355.478596]  ? lock_downgrade+0x900/0x900
[  355.483401] lowmem_reserve[]: 0 0 0 0
[  355.512380]  ? trace_hardirqs_off+0xb8/0x310
[  355.516493] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  355.520315]  ? trace_hardirqs_off+0xb8/0x310
[  355.524693] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  355.538315]  __alloc_pages_slowpath+0x2651/0x2de0
[  355.542688] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  355.557867]  ? warn_alloc+0x120/0x120
[  355.562678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  355.577407]  ? warn_alloc+0x120/0x120
[  355.581182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  355.590001]  ? warn_alloc+0x120/0x120
[  355.593770] 1758 total pagecache pages
[  355.602328]  ? print_usage_bug+0xc0/0xc0
[  355.606115] 0 pages in swap cache
[  355.609991]  ? print_usage_bug+0xc0/0xc0
[  355.614021] Swap cache stats: add 0, delete 0, find 0/0
[  355.617452]  ? ktime_get+0x2c1/0x400
[  355.621482] Free swap  = 0kB
[  355.626832]  ? check_preemption_disabled+0x48/0x280
[  355.630532] Total swap = 0kB
[  355.633533]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  355.638519] 1965979 pages RAM
[  355.641523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.645981] 0 pages HighMem/MovableOnly
[  355.645987] 342853 pages reserved
[  355.649080]  ? should_fail+0x22d/0xd01
[  355.654585] 0 pages cma reserved
[  355.658541]  ? kasan_check_read+0x11/0x20
[  355.662028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.665833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.669221] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.673297]  ? __lock_acquire+0x62f/0x4c20
[  355.679755] ksoftirqd/0 cpuset=/ mems_allowed=0
[  355.684841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.709080]  ? should_fail+0x22d/0xd01
[  355.712958]  ? print_usage_bug+0xc0/0xc0
[  355.717021]  ? mark_held_locks+0x130/0x130
[  355.721256]  ? mark_held_locks+0x130/0x130
[  355.725483]  ? check_preemption_disabled+0x48/0x280
[  355.730495]  ? zap_class+0x640/0x640
[  355.734200]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  355.738960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.744509]  ? check_preemption_disabled+0x48/0x280
[  355.749633]  ? __lock_is_held+0xb5/0x140
[  355.753691]  __alloc_pages_nodemask+0xad8/0xea0
[  355.758356]  ? zap_class+0x640/0x640
[  355.762069]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  355.767093]  ? find_held_lock+0x36/0x1c0
[  355.771154]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.776001]  ? lock_downgrade+0x900/0x900
[  355.780167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.785698]  cache_grow_begin+0xa5/0x8c0
[  355.789749]  ? do_raw_spin_unlock+0xa7/0x330
[  355.794154]  fallback_alloc+0x204/0x2e0
[  355.798136]  ____cache_alloc_node+0x1c7/0x1e0
[  355.802627]  kmem_cache_alloc_node+0xe3/0x730
[  355.807112]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.811699]  __alloc_skb+0x119/0x770
[  355.815403]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  355.820762]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.825169]  ? vprintk_default+0x28/0x30
[  355.829232]  ? vprintk_func+0x85/0x181
[  355.833111]  ? printk+0xa7/0xcf
[  355.836378]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  355.841136]  new_skb+0x26/0x1c0
[  355.844407]  aoecmd_cfg+0x279/0x7f0
[  355.848027]  ? find_held_lock+0x36/0x1c0
[  355.852083]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  355.856397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.861936]  ? __lock_is_held+0xb5/0x140
[  355.866015]  discover_timer+0x50/0x60
[  355.869810]  call_timer_fn+0x272/0x920
[  355.873687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  355.878521]  ? process_timeout+0x40/0x40
[  355.882592]  ? __run_timers+0x7da/0xc70
[  355.886562]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.891055]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.895561]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  355.900391]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.905063]  ? trace_hardirqs_on+0xbd/0x310
[  355.909471]  ? kasan_check_read+0x11/0x20
[  355.913609]  ? __run_timers+0x7da/0xc70
[  355.917572]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.922687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  355.927545]  __run_timers+0x7e5/0xc70
[  355.931354]  ? timer_fixup_init+0x70/0x70
[  355.935494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.940499]  ? zap_class+0x640/0x640
[  355.944202]  ? enqueue_hrtimer+0x1a5/0x560
[  355.948441]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  355.953623]  ? find_held_lock+0x36/0x1c0
[  355.957679]  ? zap_class+0x640/0x640
[  355.961391]  ? pvclock_read_flags+0x160/0x160
[  355.965879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.971411]  ? check_preemption_disabled+0x48/0x280
[  355.976426]  ? __lock_is_held+0xb5/0x140
[  355.980501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.986037]  ? check_preemption_disabled+0x48/0x280
[  355.991050]  run_timer_softirq+0x52/0xb0
[  355.995102]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.000110]  __do_softirq+0x308/0xb7e
[  356.003908]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  356.008394]  ? lock_downgrade+0x900/0x900
[  356.012545]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.017644]  ? pvclock_read_flags+0x160/0x160
[  356.022138]  ? lapic_next_event+0x5a/0x90
[  356.026285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.031820]  ? kvm_clock_read+0x18/0x30
[  356.035795]  ? kvm_sched_clock_read+0x9/0x20
[  356.040212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.045745]  ? check_preemption_disabled+0x48/0x280
[  356.050769]  irq_exit+0x17f/0x1c0
[  356.054313]  smp_apic_timer_interrupt+0x1cb/0x760
[  356.059145]  ? smp_reschedule_interrupt+0x109/0x650
[  356.064153]  ? smp_call_function_single_interrupt+0x650/0x650
[  356.070040]  ? interrupt_entry+0xb5/0xc0
[  356.074113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.079120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.084128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.088960]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.093965]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.098971]  ? task_prio+0x50/0x50
[  356.102501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.108074]  ? check_preemption_disabled+0x48/0x280
[  356.113083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.117925]  apic_timer_interrupt+0xf/0x20
[  356.122146]  </IRQ>
[  356.124375] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  356.129293] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  356.148197] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  356.155893] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  356.163173] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  356.170460] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  356.177722] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  356.184982] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  356.192291]  skb_clone+0x1bb/0x500
[  356.195843]  ? finish_task_switch+0x2f4/0x910
[  356.200336]  ? skb_split+0x11e0/0x11e0
[  356.204228]  ? preempt_notifier_register+0x200/0x200
[  356.209339]  ? __switch_to_asm+0x34/0x70
[  356.213390]  ? __switch_to_asm+0x34/0x70
[  356.217441]  ? __switch_to_asm+0x40/0x70
[  356.221493]  ? __switch_to_asm+0x34/0x70
[  356.225545]  ? __switch_to_asm+0x40/0x70
[  356.229602]  ? __switch_to_asm+0x34/0x70
[  356.233656]  ? __switch_to_asm+0x40/0x70
[  356.237709]  ? __switch_to_asm+0x34/0x70
[  356.241762]  ? __switch_to_asm+0x34/0x70
[  356.245817]  ? __switch_to_asm+0x40/0x70
[  356.249867]  ? __switch_to_asm+0x34/0x70
[  356.253939]  bpf_clone_redirect+0xb9/0x490
[  356.258201]  ? __schedule+0x8d7/0x21d0
[  356.262087]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  356.267098]  ? __sched_text_start+0x8/0x8
[  356.271235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  356.275986]  ? find_held_lock+0x36/0x1c0
[  356.280057]  ? lock_acquire+0x1ed/0x520
[  356.284027]  ? bpf_test_run+0x3ee/0x7a0
[  356.288001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.293543]  ? check_preemption_disabled+0x48/0x280
[  356.298557]  ? kasan_check_read+0x11/0x20
[  356.302695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.307964]  ? rcu_softirq_qs+0x20/0x20
[  356.311939]  ? preempt_schedule+0x4d/0x60
[  356.316074]  ? ___preempt_schedule+0x16/0x18
[  356.320500]  ? bpf_test_run+0x271/0x7a0
[  356.324481]  ? netlink_diag_dump+0x2a0/0x2a0
[  356.328887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.334412]  ? bpf_test_init.isra.10+0x70/0x100
[  356.339076]  ? bpf_prog_test_run_skb+0x762/0xd60
[  356.343827]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.348661]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  356.354186]  ? fput+0x130/0x1a0
[  356.357457]  ? __bpf_prog_get+0x9b/0x290
[  356.361541]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.366389]  ? bpf_prog_test_run+0x130/0x1a0
[  356.370794]  ? __x64_sys_bpf+0x3d8/0x520
[  356.374848]  ? bpf_prog_get+0x20/0x20
[  356.378662]  ? do_syscall_64+0x1b9/0x820
[  356.382729]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.388122]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.393047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.397879]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.402884]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  356.407889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.413417]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.418426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.423265]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.428637] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  356.428708] aoe: skb alloc failure
[  356.435474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.435479] Call Trace:
[  356.435497]  dump_stack+0x244/0x39d
[  356.435513]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.435537]  warn_alloc.cold.116+0xb7/0x1bd
[  356.439090] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.448382]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.450937] syz-executor5 cpuset=syz5 mems_allowed=0
[  356.455023]  ? lock_downgrade+0x900/0x900
[  356.489039]  ? trace_hardirqs_off+0xb8/0x310
[  356.493446]  ? trace_hardirqs_off+0xb8/0x310
[  356.497876]  __alloc_pages_slowpath+0x2651/0x2de0
[  356.502734]  ? warn_alloc+0x120/0x120
[  356.506543]  ? print_usage_bug+0xc0/0xc0
[  356.510606]  ? warn_alloc+0x120/0x120
[  356.514409]  ? warn_alloc+0x120/0x120
[  356.518207]  ? print_usage_bug+0xc0/0xc0
[  356.522264]  ? print_usage_bug+0xc0/0xc0
[  356.526319]  ? __lock_acquire+0x62f/0x4c20
[  356.530578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.536110]  ? should_fail+0x22d/0xd01
[  356.540004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.545099]  ? __lock_acquire+0x62f/0x4c20
[  356.549333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.554435]  ? __lock_acquire+0x62f/0x4c20
[  356.558661]  ? should_fail+0x22d/0xd01
[  356.562543]  ? find_held_lock+0x36/0x1c0
[  356.566613]  ? mark_held_locks+0x130/0x130
[  356.571420]  ? mark_held_locks+0x130/0x130
[  356.575655]  ? zap_class+0x640/0x640
[  356.579363]  ? zap_class+0x640/0x640
[  356.583088]  ? print_usage_bug+0xc0/0xc0
[  356.587139]  ? do_raw_spin_unlock+0xa7/0x330
[  356.591557]  ? zap_class+0x640/0x640
[  356.595264]  ? print_usage_bug+0xc0/0xc0
[  356.599321]  ? wq_watchdog_touch+0x9c/0xfe
[  356.603553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.609084]  ? check_preemption_disabled+0x48/0x280
[  356.614115]  ? __lock_is_held+0xb5/0x140
[  356.618173]  __alloc_pages_nodemask+0xad8/0xea0
[  356.623009]  ? zap_class+0x640/0x640
[  356.626720]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  356.631736]  ? find_held_lock+0x36/0x1c0
[  356.635793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.640569]  ? lock_downgrade+0x900/0x900
[  356.644714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.650251]  cache_grow_begin+0xa5/0x8c0
[  356.654307]  ? do_raw_spin_unlock+0xa7/0x330
[  356.658714]  fallback_alloc+0x204/0x2e0
[  356.662689]  ____cache_alloc_node+0x1c7/0x1e0
[  356.667181]  kmem_cache_alloc_node+0xe3/0x730
[  356.671672]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.675927]  __alloc_skb+0x119/0x770
[  356.679641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.684927]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.689324]  ? lock_downgrade+0x900/0x900
[  356.693477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.699008]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.704454]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.709899]  ? addrconf_rs_timer+0x690/0x690
[  356.714313]  ndisc_alloc_skb+0x144/0x340
[  356.718372]  ndisc_send_rs+0x331/0x6e0
[  356.722270]  addrconf_rs_timer+0x314/0x690
[  356.726519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.730769]  call_timer_fn+0x272/0x920
[  356.734673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.738920]  ? process_timeout+0x40/0x40
[  356.743001]  ? __run_timers+0x7da/0xc70
[  356.746981]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.751466]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.755958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.760189]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.764768]  ? trace_hardirqs_on+0xbd/0x310
[  356.769084]  ? kasan_check_read+0x11/0x20
[  356.773223]  ? __run_timers+0x7da/0xc70
[  356.777192]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.782295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.786529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.790753]  __run_timers+0x7e5/0xc70
[  356.794553]  ? timer_fixup_init+0x70/0x70
[  356.798694]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.803179]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.807670]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.812246]  ? trace_hardirqs_on+0xbd/0x310
[  356.816562]  ? kasan_check_read+0x11/0x20
[  356.820706]  ? finish_task_switch+0x1f4/0x910
[  356.825197]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.830294]  ? compat_start_thread+0x80/0x80
[  356.834716]  ? pvclock_read_flags+0x160/0x160
[  356.839206]  ? __switch_to_asm+0x34/0x70
[  356.843272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.848818]  ? check_preemption_disabled+0x48/0x280
[  356.853830]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  356.859355]  ? rcu_pm_notify+0xc0/0xc0
[  356.863237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.868771]  ? check_preemption_disabled+0x48/0x280
[  356.873785]  run_timer_softirq+0x52/0xb0
[  356.877838]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.882847]  __do_softirq+0x308/0xb7e
[  356.886640]  ? retint_kernel+0x2d/0x2d
[  356.890521]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.895612]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  356.901050]  ? retint_kernel+0x2d/0x2d
[  356.904959]  ? schedule+0x108/0x460
[  356.908586]  ? trace_hardirqs_off+0xb8/0x310
[  356.912991]  ? smpboot_thread_fn+0x68b/0xa00
[  356.917387]  ? trace_hardirqs_on+0x310/0x310
[  356.921786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.927314]  ? check_preemption_disabled+0x48/0x280
[  356.932323]  ? takeover_tasklets+0xa90/0xa90
[  356.936723]  run_ksoftirqd+0x5e/0x100
[  356.940515]  smpboot_thread_fn+0x68b/0xa00
[  356.944743]  ? sort_range+0x30/0x30
[  356.948359]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  356.953459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.958994]  ? __kthread_parkme+0xfb/0x1a0
[  356.963226]  ? sort_range+0x30/0x30
[  356.966847]  kthread+0x35a/0x440
[  356.970209]  ? kthread_stop+0x900/0x900
[  356.974181]  ret_from_fork+0x3a/0x50
[  356.977903] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  356.977907] warn_alloc_show_mem: 1 callbacks suppressed
[  356.977913] Mem-Info:
[  356.985269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.985276] Call Trace:
[  356.990652] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  356.990652]  active_file:17 inactive_file:17 isolated_file:0
[  356.990652]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.990652]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  356.990652]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  356.990652]  free:13768 free_pcp:279 free_cma:0
[  356.993018]  <IRQ>
[  357.002374] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  357.004947]  dump_stack+0x244/0x39d
[  357.038069] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  357.040226]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.067858] lowmem_reserve[]: 0 2818 6321 6321
[  357.071503]  warn_alloc.cold.116+0xb7/0x1bd
[  357.097589] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  357.102767]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.107316] lowmem_reserve[]: 0 0 3503 3503
[  357.111622]  ? lock_downgrade+0x900/0x900
[  357.139011] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  357.143845]  ? trace_hardirqs_off+0xb8/0x310
[  357.148128] lowmem_reserve[]: 0 0 0 0
[  357.152280]  ? trace_hardirqs_off+0xb8/0x310
[  357.181221] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  357.185626]  __alloc_pages_slowpath+0x2651/0x2de0
[  357.189392] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  357.193809]  ? warn_alloc+0x120/0x120
[  357.207281] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  357.212109]  ? warn_alloc+0x120/0x120
[  357.227285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  357.231062]  ? warn_alloc+0x120/0x120
[  357.245788] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.249566]  ? mark_held_locks+0x130/0x130
[  357.258380] 1758 total pagecache pages
[  357.262171]  ? print_usage_bug+0xc0/0xc0
[  357.270737] 0 pages in swap cache
[  357.274955]  ? print_usage_bug+0xc0/0xc0
[  357.278817] Swap cache stats: add 0, delete 0, find 0/0
[  357.282862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.286279] Free swap  = 0kB
[  357.290320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.295649] Total swap = 0kB
[  357.301168]  ? should_fail+0x22d/0xd01
[  357.304152] 1965979 pages RAM
[  357.309670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.312653] 0 pages HighMem/MovableOnly
[  357.312659] 342853 pages reserved
[  357.316529]  ? __lock_acquire+0x62f/0x4c20
[  357.319603] 0 pages cma reserved
[  357.324688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.328714] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.332081]  ? __lock_acquire+0x62f/0x4c20
[  357.332093]  ? should_fail+0x22d/0xd01
[  357.332116]  ? mark_held_locks+0x130/0x130
[  357.336374] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.339674]  ? mark_held_locks+0x130/0x130
[  357.344745] ksoftirqd/0 cpuset=/ mems_allowed=0
[  357.351238]  ? trace_hardirqs_on+0x310/0x310
[  357.387098]  ? wq_watchdog_touch+0x9c/0xfe
[  357.391327]  ? zap_class+0x640/0x640
[  357.395047]  ? print_usage_bug+0xc0/0xc0
[  357.399102]  ? find_held_lock+0x36/0x1c0
[  357.403157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.408693]  ? check_preemption_disabled+0x48/0x280
[  357.413706]  ? __lock_is_held+0xb5/0x140
[  357.417778]  __alloc_pages_nodemask+0xad8/0xea0
[  357.422438]  ? zap_class+0x640/0x640
[  357.426148]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  357.431164]  ? find_held_lock+0x36/0x1c0
[  357.435224]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.439995]  ? lock_downgrade+0x900/0x900
[  357.444140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.449670]  cache_grow_begin+0xa5/0x8c0
[  357.453728]  ? do_raw_spin_unlock+0xa7/0x330
[  357.458146]  fallback_alloc+0x204/0x2e0
[  357.462117]  ____cache_alloc_node+0x1c7/0x1e0
[  357.466607]  kmem_cache_alloc_node+0xe3/0x730
[  357.471114]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.475350]  __alloc_skb+0x119/0x770
[  357.479061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.484333]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.488733]  ? lock_downgrade+0x900/0x900
[  357.492874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.498429]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.503878]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.509329]  ? addrconf_rs_timer+0x690/0x690
[  357.513742]  ndisc_alloc_skb+0x144/0x340
[  357.517800]  ndisc_send_rs+0x331/0x6e0
[  357.521687]  addrconf_rs_timer+0x314/0x690
[  357.525922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.530163]  call_timer_fn+0x272/0x920
[  357.534046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.538273]  ? process_timeout+0x40/0x40
[  357.542337]  ? __run_timers+0x7da/0xc70
[  357.546309]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.550794]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.555295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.559523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.564101]  ? trace_hardirqs_on+0xbd/0x310
[  357.568431]  ? kasan_check_read+0x11/0x20
[  357.572568]  ? __run_timers+0x7da/0xc70
[  357.576547]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.581650]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  357.586507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.590728]  __run_timers+0x7e5/0xc70
[  357.594524]  ? timer_fixup_init+0x70/0x70
[  357.598679]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.603686]  ? zap_class+0x640/0x640
[  357.607397]  ? enqueue_hrtimer+0x1a5/0x560
[  357.611625]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.616813]  ? find_held_lock+0x36/0x1c0
[  357.620870]  ? zap_class+0x640/0x640
[  357.624583]  ? pvclock_read_flags+0x160/0x160
[  357.629066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.634591]  ? check_preemption_disabled+0x48/0x280
[  357.639618]  ? __lock_is_held+0xb5/0x140
[  357.643671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.649196]  ? check_preemption_disabled+0x48/0x280
[  357.654213]  run_timer_softirq+0x52/0xb0
[  357.658269]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.663275]  __do_softirq+0x308/0xb7e
[  357.667079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.671578]  ? lock_downgrade+0x900/0x900
[  357.675715]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.680813]  ? pvclock_read_flags+0x160/0x160
[  357.685300]  ? lapic_next_event+0x5a/0x90
[  357.689439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.694970]  ? kvm_clock_read+0x18/0x30
[  357.698936]  ? kvm_sched_clock_read+0x9/0x20
[  357.703334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.708861]  ? check_preemption_disabled+0x48/0x280
[  357.713891]  irq_exit+0x17f/0x1c0
[  357.717338]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.722175]  ? smp_reschedule_interrupt+0x109/0x650
[  357.727187]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.733062]  ? interrupt_entry+0xb5/0xc0
[  357.737115]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.742126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.747151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.752003]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.757007]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.762016]  ? task_prio+0x50/0x50
[  357.765545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.771076]  ? check_preemption_disabled+0x48/0x280
[  357.776088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.780932]  apic_timer_interrupt+0xf/0x20
[  357.785158]  </IRQ>
[  357.787395] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  357.792318] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  357.811345] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  357.819049] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  357.826306] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  357.833563] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  357.840830] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  357.848265] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  357.855565]  skb_clone+0x1bb/0x500
[  357.859101]  ? finish_task_switch+0x2f4/0x910
[  357.863591]  ? skb_split+0x11e0/0x11e0
[  357.867490]  ? preempt_notifier_register+0x200/0x200
[  357.872579]  ? __switch_to_asm+0x34/0x70
[  357.876642]  ? __switch_to_asm+0x34/0x70
[  357.880694]  ? __switch_to_asm+0x40/0x70
[  357.884739]  ? __switch_to_asm+0x34/0x70
[  357.888796]  ? __switch_to_asm+0x40/0x70
[  357.892844]  ? __switch_to_asm+0x34/0x70
[  357.896895]  ? __switch_to_asm+0x40/0x70
[  357.900971]  ? __switch_to_asm+0x34/0x70
[  357.905022]  ? __switch_to_asm+0x34/0x70
[  357.909085]  ? __switch_to_asm+0x40/0x70
[  357.913143]  ? __switch_to_asm+0x34/0x70
[  357.917200]  bpf_clone_redirect+0xb9/0x490
[  357.921427]  ? __schedule+0x8d7/0x21d0
[  357.925323]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  357.930339]  ? __sched_text_start+0x8/0x8
[  357.934479]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.939234]  ? find_held_lock+0x36/0x1c0
[  357.943306]  ? lock_acquire+0x1ed/0x520
[  357.947276]  ? bpf_test_run+0x3ee/0x7a0
[  357.951248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.956780]  ? check_preemption_disabled+0x48/0x280
[  357.961796]  ? kasan_check_read+0x11/0x20
[  357.965935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.971209]  ? rcu_softirq_qs+0x20/0x20
[  357.975187]  ? preempt_schedule+0x4d/0x60
[  357.979324]  ? ___preempt_schedule+0x16/0x18
[  357.983726]  ? bpf_test_run+0x271/0x7a0
[  357.987698]  ? netlink_diag_dump+0x2a0/0x2a0
[  357.992112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.997637]  ? bpf_test_init.isra.10+0x70/0x100
[  358.002306]  ? bpf_prog_test_run_skb+0x762/0xd60
[  358.007076]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  358.011917]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.017451]  ? fput+0x130/0x1a0
[  358.020737]  ? __bpf_prog_get+0x9b/0x290
[  358.024799]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  358.029630]  ? bpf_prog_test_run+0x130/0x1a0
[  358.034033]  ? __x64_sys_bpf+0x3d8/0x520
[  358.038083]  ? bpf_prog_get+0x20/0x20
[  358.041917]  ? do_syscall_64+0x1b9/0x820
[  358.045965]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  358.051322]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.056250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.061087]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.066097]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  358.071104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.076643]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.081694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.086542]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  358.091910] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  358.091982] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.098740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.098747] Call Trace:
[  358.105405] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.114558]  dump_stack+0x244/0x39d
[  358.117111] syz-executor5 cpuset=syz5 mems_allowed=0
[  358.127584]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.141447]  warn_alloc.cold.116+0xb7/0x1bd
[  358.145784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.150620]  ? lock_downgrade+0x900/0x900
[  358.154800]  ? trace_hardirqs_off+0xb8/0x310
[  358.159230]  ? trace_hardirqs_off+0xb8/0x310
[  358.163642]  __alloc_pages_slowpath+0x2651/0x2de0
[  358.168495]  ? warn_alloc+0x120/0x120
[  358.172290]  ? print_usage_bug+0xc0/0xc0
[  358.176342]  ? warn_alloc+0x120/0x120
[  358.180141]  ? warn_alloc+0x120/0x120
[  358.183954]  ? print_usage_bug+0xc0/0xc0
[  358.188012]  ? print_usage_bug+0xc0/0xc0
[  358.192080]  ? __lock_acquire+0x62f/0x4c20
[  358.196323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.201862]  ? should_fail+0x22d/0xd01
[  358.205749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.210853]  ? __lock_acquire+0x62f/0x4c20
[  358.215089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.220199]  ? __lock_acquire+0x62f/0x4c20
[  358.224437]  ? should_fail+0x22d/0xd01
[  358.228333]  ? find_held_lock+0x36/0x1c0
[  358.232413]  ? mark_held_locks+0x130/0x130
[  358.236641]  ? mark_held_locks+0x130/0x130
[  358.240868]  ? zap_class+0x640/0x640
[  358.244575]  ? zap_class+0x640/0x640
[  358.248284]  ? print_usage_bug+0xc0/0xc0
[  358.252335]  ? do_raw_spin_unlock+0xa7/0x330
[  358.256754]  ? zap_class+0x640/0x640
[  358.260463]  ? print_usage_bug+0xc0/0xc0
[  358.264518]  ? wq_watchdog_touch+0x9c/0xfe
[  358.268749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.274311]  ? check_preemption_disabled+0x48/0x280
[  358.279331]  ? __lock_is_held+0xb5/0x140
[  358.283394]  __alloc_pages_nodemask+0xad8/0xea0
[  358.288054]  ? zap_class+0x640/0x640
[  358.291760]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  358.296779]  ? find_held_lock+0x36/0x1c0
[  358.300849]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.305511]  ? lock_downgrade+0x900/0x900
[  358.309658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.315189]  cache_grow_begin+0xa5/0x8c0
[  358.319245]  ? do_raw_spin_unlock+0xa7/0x330
[  358.323652]  fallback_alloc+0x204/0x2e0
[  358.327625]  ____cache_alloc_node+0x1c7/0x1e0
[  358.332130]  kmem_cache_alloc_node+0xe3/0x730
[  358.336624]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.340860]  __alloc_skb+0x119/0x770
[  358.344567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.349847]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.354247]  ? lock_downgrade+0x900/0x900
[  358.358480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.364012]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.369465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.374917]  ? addrconf_rs_timer+0x690/0x690
[  358.379345]  ndisc_alloc_skb+0x144/0x340
[  358.383406]  ndisc_send_rs+0x331/0x6e0
[  358.387286]  addrconf_rs_timer+0x314/0x690
[  358.391519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.395756]  call_timer_fn+0x272/0x920
[  358.399632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.403872]  ? process_timeout+0x40/0x40
[  358.407950]  ? __run_timers+0x7da/0xc70
[  358.411918]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.416401]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.420884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.425111]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.429684]  ? trace_hardirqs_on+0xbd/0x310
[  358.434013]  ? kasan_check_read+0x11/0x20
[  358.438148]  ? __run_timers+0x7da/0xc70
[  358.442111]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.447209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.451444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.456145]  __run_timers+0x7e5/0xc70
[  358.459970]  ? timer_fixup_init+0x70/0x70
[  358.464137]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.468642]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.473128]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.477703]  ? trace_hardirqs_on+0xbd/0x310
[  358.482018]  ? kasan_check_read+0x11/0x20
[  358.486169]  ? finish_task_switch+0x1f4/0x910
[  358.490660]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.495757]  ? compat_start_thread+0x80/0x80
[  358.500171]  ? pvclock_read_flags+0x160/0x160
[  358.504653]  ? __switch_to_asm+0x34/0x70
[  358.508713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.514239]  ? check_preemption_disabled+0x48/0x280
[  358.519275]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  358.524816]  ? rcu_pm_notify+0xc0/0xc0
[  358.528698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.534239]  ? check_preemption_disabled+0x48/0x280
[  358.539265]  run_timer_softirq+0x52/0xb0
[  358.543323]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.548351]  __do_softirq+0x308/0xb7e
[  358.552147]  ? retint_kernel+0x2d/0x2d
[  358.556033]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.561130]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.566573]  ? retint_kernel+0x2d/0x2d
[  358.570453]  ? schedule+0x108/0x460
[  358.574082]  ? trace_hardirqs_off+0xb8/0x310
[  358.578483]  ? smpboot_thread_fn+0x68b/0xa00
[  358.582882]  ? trace_hardirqs_on+0x310/0x310
[  358.587289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.592838]  ? check_preemption_disabled+0x48/0x280
[  358.597846]  ? takeover_tasklets+0xa90/0xa90
[  358.602248]  run_ksoftirqd+0x5e/0x100
[  358.606062]  smpboot_thread_fn+0x68b/0xa00
[  358.610310]  ? sort_range+0x30/0x30
[  358.614106]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.619202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.624939]  ? __kthread_parkme+0xfb/0x1a0
[  358.629165]  ? sort_range+0x30/0x30
[  358.632779]  kthread+0x35a/0x440
[  358.636145]  ? kthread_stop+0x900/0x900
[  358.640111]  ret_from_fork+0x3a/0x50
[  358.643834] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  358.643838] warn_alloc_show_mem: 1 callbacks suppressed
[  358.643843] Mem-Info:
[  358.651192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.656562] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  358.656562]  active_file:17 inactive_file:17 isolated_file:0
[  358.656562]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.656562]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  358.656562]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  358.656562]  free:13768 free_pcp:279 free_cma:0
[  358.658926] Call Trace:
[  358.668296] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.701394]  <IRQ>
[  358.703956] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  358.731612]  dump_stack+0x244/0x39d
[  358.733732] lowmem_reserve[]: 0 2818 6321 6321
[  358.759845]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.763439] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  358.768017]  warn_alloc.cold.116+0xb7/0x1bd
[  358.773167] lowmem_reserve[]: 0 0 3503 3503
[  358.800663]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.804953] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  358.809263]  ? lock_downgrade+0x900/0x900
[  358.814072] lowmem_reserve[]: 0 0 0 0
[  358.843033]  ? trace_hardirqs_off+0xb8/0x310
[  358.847146] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  358.850938]  ? trace_hardirqs_off+0xb8/0x310
[  358.855319] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  358.868851]  __alloc_pages_slowpath+0x2651/0x2de0
[  358.873229] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  358.888416]  ? warn_alloc+0x120/0x120
[  358.893216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  358.907933]  ? print_usage_bug+0xc0/0xc0
[  358.911711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  358.920524]  ? warn_alloc+0x120/0x120
[  358.924553] 1758 total pagecache pages
[  358.933122]  ? warn_alloc+0x120/0x120
[  358.936898] 0 pages in swap cache
[  358.940772]  ? print_usage_bug+0xc0/0xc0
[  358.944549] Swap cache stats: add 0, delete 0, find 0/0
[  358.947999]  ? kvm_clock_read+0x18/0x30
[  358.952023] Free swap  = 0kB
[  358.957368]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  358.961327] Total swap = 0kB
[  358.964347]  ? print_usage_bug+0xc0/0xc0
[  358.969331] 1965979 pages RAM
[  358.972331]  ? __lock_acquire+0x62f/0x4c20
[  358.976365] 0 pages HighMem/MovableOnly
[  358.979458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.983666] 342853 pages reserved
[  358.983672] 0 pages cma reserved
[  358.987643]  ? should_fail+0x22d/0xd01
[  358.993214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.996581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.999968] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.003786]  ? __lock_acquire+0x62f/0x4c20
[  359.010443] ksoftirqd/0 cpuset=/ mems_allowed=0
[  359.015532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.039773]  ? __lock_acquire+0x62f/0x4c20
[  359.044007]  ? should_fail+0x22d/0xd01
[  359.047896]  ? mark_held_locks+0x130/0x130
[  359.052124]  ? mark_held_locks+0x130/0x130
[  359.056346]  ? try_to_wake_up+0x11c/0x1440
[  359.060587]  ? lock_downgrade+0x900/0x900
[  359.064730]  ? zap_class+0x640/0x640
[  359.068460]  ? print_usage_bug+0xc0/0xc0
[  359.072523]  ? trace_hardirqs_off+0xb8/0x310
[  359.076921]  ? kasan_check_read+0x11/0x20
[  359.081083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.086610]  ? check_preemption_disabled+0x48/0x280
[  359.091636]  ? __lock_is_held+0xb5/0x140
[  359.095690]  __alloc_pages_nodemask+0xad8/0xea0
[  359.100346]  ? zap_class+0x640/0x640
[  359.104055]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  359.109072]  ? find_held_lock+0x36/0x1c0
[  359.113140]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.117799]  ? lock_downgrade+0x900/0x900
[  359.121941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.127491]  cache_grow_begin+0xa5/0x8c0
[  359.131562]  ? do_raw_spin_unlock+0xa7/0x330
[  359.135968]  fallback_alloc+0x204/0x2e0
[  359.139949]  ____cache_alloc_node+0x1c7/0x1e0
[  359.144438]  kmem_cache_alloc_node+0xe3/0x730
[  359.148958]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.153192]  __alloc_skb+0x119/0x770
[  359.156900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.162178]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.166589]  ? lock_downgrade+0x900/0x900
[  359.170747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.176275]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.181719]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.187166]  ? addrconf_rs_timer+0x690/0x690
[  359.191580]  ndisc_alloc_skb+0x144/0x340
[  359.195637]  ndisc_send_rs+0x331/0x6e0
[  359.199532]  addrconf_rs_timer+0x314/0x690
[  359.203780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.208015]  call_timer_fn+0x272/0x920
[  359.211894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.216123]  ? process_timeout+0x40/0x40
[  359.220185]  ? __run_timers+0x7da/0xc70
[  359.224157]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.228640]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.233122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.237362]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.241967]  ? trace_hardirqs_on+0xbd/0x310
[  359.246279]  ? kasan_check_read+0x11/0x20
[  359.250425]  ? __run_timers+0x7da/0xc70
[  359.254589]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.259696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.263945]  __run_timers+0x7e5/0xc70
[  359.267772]  ? timer_fixup_init+0x70/0x70
[  359.271918]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.276928]  ? zap_class+0x640/0x640
[  359.280654]  ? enqueue_hrtimer+0x1a5/0x560
[  359.284880]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.290073]  ? find_held_lock+0x36/0x1c0
[  359.294134]  ? zap_class+0x640/0x640
[  359.297843]  ? pvclock_read_flags+0x160/0x160
[  359.302353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.307898]  ? check_preemption_disabled+0x48/0x280
[  359.312913]  ? __lock_is_held+0xb5/0x140
[  359.316971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.322496]  ? check_preemption_disabled+0x48/0x280
[  359.327509]  run_timer_softirq+0x52/0xb0
[  359.331564]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.336573]  __do_softirq+0x308/0xb7e
[  359.340370]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.344867]  ? lock_downgrade+0x900/0x900
[  359.349088]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.354189]  ? pvclock_read_flags+0x160/0x160
[  359.358687]  ? lapic_next_event+0x5a/0x90
[  359.362833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.368367]  ? kvm_clock_read+0x18/0x30
[  359.372332]  ? kvm_sched_clock_read+0x9/0x20
[  359.376735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.382271]  ? check_preemption_disabled+0x48/0x280
[  359.387283]  irq_exit+0x17f/0x1c0
[  359.390743]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.395670]  ? smp_reschedule_interrupt+0x109/0x650
[  359.400687]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.406569]  ? interrupt_entry+0xb5/0xc0
[  359.410624]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.415634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.420643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.425481]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.430491]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.435510]  ? task_prio+0x50/0x50
[  359.439041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.444568]  ? check_preemption_disabled+0x48/0x280
[  359.449584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.454428]  apic_timer_interrupt+0xf/0x20
[  359.458649]  </IRQ>
[  359.460878] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  359.465797] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  359.484684] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.492400] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  359.499658] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  359.506915] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  359.514173] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  359.521431] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  359.528733]  skb_clone+0x1bb/0x500
[  359.532269]  ? finish_task_switch+0x2f4/0x910
[  359.536777]  ? skb_split+0x11e0/0x11e0
[  359.540657]  ? preempt_notifier_register+0x200/0x200
[  359.545746]  ? __switch_to_asm+0x34/0x70
[  359.549796]  ? __switch_to_asm+0x34/0x70
[  359.553846]  ? __switch_to_asm+0x40/0x70
[  359.557895]  ? __switch_to_asm+0x34/0x70
[  359.561945]  ? __switch_to_asm+0x40/0x70
[  359.565995]  ? __switch_to_asm+0x34/0x70
[  359.570042]  ? __switch_to_asm+0x40/0x70
[  359.574091]  ? __switch_to_asm+0x34/0x70
[  359.578138]  ? __switch_to_asm+0x34/0x70
[  359.582185]  ? __switch_to_asm+0x40/0x70
[  359.586238]  ? __switch_to_asm+0x34/0x70
[  359.590292]  bpf_clone_redirect+0xb9/0x490
[  359.594517]  ? __schedule+0x8d7/0x21d0
[  359.598406]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  359.603411]  ? __sched_text_start+0x8/0x8
[  359.607556]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  359.612315]  ? find_held_lock+0x36/0x1c0
[  359.616375]  ? lock_acquire+0x1ed/0x520
[  359.620346]  ? bpf_test_run+0x3ee/0x7a0
[  359.624313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.629843]  ? check_preemption_disabled+0x48/0x280
[  359.634861]  ? kasan_check_read+0x11/0x20
[  359.638998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.644264]  ? rcu_softirq_qs+0x20/0x20
[  359.648230]  ? preempt_schedule+0x4d/0x60
[  359.652367]  ? ___preempt_schedule+0x16/0x18
[  359.656777]  ? bpf_test_run+0x271/0x7a0
[  359.660754]  ? netlink_diag_dump+0x2a0/0x2a0
[  359.665156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.670711]  ? bpf_test_init.isra.10+0x70/0x100
[  359.675377]  ? bpf_prog_test_run_skb+0x762/0xd60
[  359.680137]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.684973]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  359.690547]  ? fput+0x130/0x1a0
[  359.693824]  ? __bpf_prog_get+0x9b/0x290
[  359.697882]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.702724]  ? bpf_prog_test_run+0x130/0x1a0
[  359.707142]  ? __x64_sys_bpf+0x3d8/0x520
[  359.711199]  ? bpf_prog_get+0x20/0x20
[  359.715030]  ? do_syscall_64+0x1b9/0x820
[  359.719080]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  359.724437]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.729356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.734192]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.739218]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  359.744228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.749758]  ? prepare_exit_to_usermode+0x291/0x3b0
[  359.754772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.759631]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  359.765001] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  359.765077] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.771843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.771847] Call Trace:
[  359.771864]  dump_stack+0x244/0x39d
[  359.771881]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.778401] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.787708]  warn_alloc.cold.116+0xb7/0x1bd
[  359.790250] syz-executor5 cpuset=syz5 mems_allowed=0
[  359.793861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.823706]  ? lock_downgrade+0x900/0x900
[  359.827850]  ? trace_hardirqs_off+0xb8/0x310
[  359.832254]  ? trace_hardirqs_off+0xb8/0x310
[  359.836661]  __alloc_pages_slowpath+0x2651/0x2de0
[  359.841527]  ? warn_alloc+0x120/0x120
[  359.845320]  ? print_usage_bug+0xc0/0xc0
[  359.849373]  ? warn_alloc+0x120/0x120
[  359.853183]  ? warn_alloc+0x120/0x120
[  359.856979]  ? print_usage_bug+0xc0/0xc0
[  359.861033]  ? print_usage_bug+0xc0/0xc0
[  359.865081]  ? __lock_acquire+0x62f/0x4c20
[  359.869308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.874831]  ? should_fail+0x22d/0xd01
[  359.878716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.883810]  ? __lock_acquire+0x62f/0x4c20
[  359.888040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.893132]  ? __lock_acquire+0x62f/0x4c20
[  359.897357]  ? should_fail+0x22d/0xd01
[  359.901231]  ? find_held_lock+0x36/0x1c0
[  359.905291]  ? mark_held_locks+0x130/0x130
[  359.909518]  ? mark_held_locks+0x130/0x130
[  359.913850]  ? zap_class+0x640/0x640
[  359.917586]  ? zap_class+0x640/0x640
[  359.921379]  ? print_usage_bug+0xc0/0xc0
[  359.925428]  ? do_raw_spin_unlock+0xa7/0x330
[  359.929826]  ? zap_class+0x640/0x640
[  359.933531]  ? print_usage_bug+0xc0/0xc0
[  359.937584]  ? wq_watchdog_touch+0x9c/0xfe
[  359.941813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.947344]  ? check_preemption_disabled+0x48/0x280
[  359.952354]  ? __lock_is_held+0xb5/0x140
[  359.956406]  __alloc_pages_nodemask+0xad8/0xea0
[  359.961059]  ? zap_class+0x640/0x640
[  359.964768]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  359.969781]  ? find_held_lock+0x36/0x1c0
[  359.973849]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.978505]  ? lock_downgrade+0x900/0x900
[  359.982646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.988198]  cache_grow_begin+0xa5/0x8c0
[  359.992250]  ? do_raw_spin_unlock+0xa7/0x330
[  359.996651]  fallback_alloc+0x204/0x2e0
[  360.000625]  ____cache_alloc_node+0x1c7/0x1e0
[  360.005112]  kmem_cache_alloc_node+0xe3/0x730
[  360.009594]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.013825]  __alloc_skb+0x119/0x770
[  360.017529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.022797]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.027194]  ? lock_downgrade+0x900/0x900
[  360.031350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.036878]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.042322]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.047765]  ? addrconf_rs_timer+0x690/0x690
[  360.052190]  ndisc_alloc_skb+0x144/0x340
[  360.056244]  ndisc_send_rs+0x331/0x6e0
[  360.060126]  addrconf_rs_timer+0x314/0x690
[  360.064353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.068597]  call_timer_fn+0x272/0x920
[  360.072489]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.076715]  ? process_timeout+0x40/0x40
[  360.080778]  ? __run_timers+0x7da/0xc70
[  360.084758]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.089238]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.093720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.097945]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.102516]  ? trace_hardirqs_on+0xbd/0x310
[  360.106836]  ? kasan_check_read+0x11/0x20
[  360.110975]  ? __run_timers+0x7da/0xc70
[  360.114967]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.120075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.124306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.128531]  __run_timers+0x7e5/0xc70
[  360.132337]  ? timer_fixup_init+0x70/0x70
[  360.136487]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.140969]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.145480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.150066]  ? trace_hardirqs_on+0xbd/0x310
[  360.154377]  ? kasan_check_read+0x11/0x20
[  360.158519]  ? finish_task_switch+0x1f4/0x910
[  360.163002]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.168125]  ? compat_start_thread+0x80/0x80
[  360.172551]  ? pvclock_read_flags+0x160/0x160
[  360.177049]  ? __switch_to_asm+0x34/0x70
[  360.181100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.186751]  ? check_preemption_disabled+0x48/0x280
[  360.191769]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  360.197388]  ? rcu_pm_notify+0xc0/0xc0
[  360.201264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.206790]  ? check_preemption_disabled+0x48/0x280
[  360.211802]  run_timer_softirq+0x52/0xb0
[  360.215853]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.220860]  __do_softirq+0x308/0xb7e
[  360.224674]  ? retint_kernel+0x2d/0x2d
[  360.228559]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.233661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.239101]  ? retint_kernel+0x2d/0x2d
[  360.242984]  ? schedule+0x108/0x460
[  360.246608]  ? trace_hardirqs_off+0xb8/0x310
[  360.251003]  ? smpboot_thread_fn+0x68b/0xa00
[  360.255403]  ? trace_hardirqs_on+0x310/0x310
[  360.259804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.265336]  ? check_preemption_disabled+0x48/0x280
[  360.270341]  ? takeover_tasklets+0xa90/0xa90
[  360.274741]  run_ksoftirqd+0x5e/0x100
[  360.278533]  smpboot_thread_fn+0x68b/0xa00
[  360.282766]  ? sort_range+0x30/0x30
[  360.286383]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.291473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.297000]  ? __kthread_parkme+0xfb/0x1a0
[  360.301242]  ? sort_range+0x30/0x30
[  360.304858]  kthread+0x35a/0x440
[  360.308250]  ? kthread_stop+0x900/0x900
[  360.312220]  ret_from_fork+0x3a/0x50
[  360.315957] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  360.315962] warn_alloc_show_mem: 1 callbacks suppressed
[  360.315968] Mem-Info:
[  360.323317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.328679] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  360.328679]  active_file:17 inactive_file:17 isolated_file:0
[  360.328679]  unevictable:0 dirty:0 writeback:0 unstable:0
[  360.328679]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  360.328679]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  360.328679]  free:13768 free_pcp:279 free_cma:0
[  360.331044] Call Trace:
[  360.340410] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  360.373506]  <IRQ>
[  360.376065] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  360.403731]  dump_stack+0x244/0x39d
[  360.405849] lowmem_reserve[]: 0 2818 6321 6321
[  360.431953]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.435548] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  360.440143]  warn_alloc.cold.116+0xb7/0x1bd
[  360.445289] lowmem_reserve[]: 0 0 3503 3503
[  360.473254]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.477547] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  360.481856]  ? lock_downgrade+0x900/0x900
[  360.486667] lowmem_reserve[]: 0 0 0 0
[  360.515637]  ? trace_hardirqs_off+0xb8/0x310
[  360.519768] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  360.523570]  ? trace_hardirqs_off+0xb8/0x310
[  360.527966] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  360.541502]  __alloc_pages_slowpath+0x2651/0x2de0
[  360.545874] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  360.561046]  ? warn_alloc+0x120/0x120
[  360.565843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  360.580989]  ? print_usage_bug+0xc0/0xc0
[  360.584771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  360.593584]  ? warn_alloc+0x120/0x120
[  360.597627] 1758 total pagecache pages
[  360.606183]  ? warn_alloc+0x120/0x120
[  360.609963] 0 pages in swap cache
[  360.613828]  ? print_usage_bug+0xc0/0xc0
[  360.617600] Swap cache stats: add 0, delete 0, find 0/0
[  360.621542]  ? print_usage_bug+0xc0/0xc0
[  360.625576] Free swap  = 0kB
[  360.630923]  ? __lock_acquire+0x62f/0x4c20
[  360.634951] Total swap = 0kB
[  360.637957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.642155] 1965979 pages RAM
[  360.645174]  ? should_fail+0x22d/0xd01
[  360.650672] 0 pages HighMem/MovableOnly
[  360.650679] 342853 pages reserved
[  360.653770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.657639] 0 pages cma reserved
[  360.661596]  ? __lock_acquire+0x62f/0x4c20
[  360.665115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.670141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.673549] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.677693]  ? __lock_acquire+0x62f/0x4c20
[  360.684155] ksoftirqd/0 cpuset=/ mems_allowed=0
[  360.689244]  ? should_fail+0x22d/0xd01
[  360.712353]  ? find_held_lock+0x36/0x1c0
[  360.716427]  ? mark_held_locks+0x130/0x130
[  360.720656]  ? mark_held_locks+0x130/0x130
[  360.724883]  ? zap_class+0x640/0x640
[  360.728608]  ? zap_class+0x640/0x640
[  360.732775]  ? print_usage_bug+0xc0/0xc0
[  360.736828]  ? do_raw_spin_unlock+0xa7/0x330
[  360.741224]  ? zap_class+0x640/0x640
[  360.744926]  ? print_usage_bug+0xc0/0xc0
[  360.748993]  ? wq_watchdog_touch+0x9c/0xfe
[  360.753225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.758762]  ? check_preemption_disabled+0x48/0x280
[  360.763776]  ? __lock_is_held+0xb5/0x140
[  360.767862]  __alloc_pages_nodemask+0xad8/0xea0
[  360.772522]  ? zap_class+0x640/0x640
[  360.776234]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  360.781251]  ? find_held_lock+0x36/0x1c0
[  360.785314]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.789979]  ? lock_downgrade+0x900/0x900
[  360.794128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.799658]  cache_grow_begin+0xa5/0x8c0
[  360.803712]  ? do_raw_spin_unlock+0xa7/0x330
[  360.808133]  fallback_alloc+0x204/0x2e0
[  360.812112]  ____cache_alloc_node+0x1c7/0x1e0
[  360.816609]  kmem_cache_alloc_node+0xe3/0x730
[  360.821097]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.825340]  __alloc_skb+0x119/0x770
[  360.829049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.834323]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.838722]  ? lock_downgrade+0x900/0x900
[  360.842868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.848397]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.853842]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.859296]  ? addrconf_rs_timer+0x690/0x690
[  360.863707]  ndisc_alloc_skb+0x144/0x340
[  360.867768]  ndisc_send_rs+0x331/0x6e0
[  360.871655]  addrconf_rs_timer+0x314/0x690
[  360.875885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.880122]  call_timer_fn+0x272/0x920
[  360.884002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.888243]  ? process_timeout+0x40/0x40
[  360.892317]  ? __run_timers+0x7da/0xc70
[  360.896286]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.900782]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.905298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.909523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.914122]  ? trace_hardirqs_on+0xbd/0x310
[  360.918437]  ? kasan_check_read+0x11/0x20
[  360.922581]  ? __run_timers+0x7da/0xc70
[  360.926561]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.931674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.935899]  __run_timers+0x7e5/0xc70
[  360.939696]  ? timer_fixup_init+0x70/0x70
[  360.943837]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.948840]  ? zap_class+0x640/0x640
[  360.952544]  ? enqueue_hrtimer+0x1a5/0x560
[  360.956768]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  360.961956]  ? find_held_lock+0x36/0x1c0
[  360.966020]  ? zap_class+0x640/0x640
[  360.969730]  ? pvclock_read_flags+0x160/0x160
[  360.974213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.979745]  ? check_preemption_disabled+0x48/0x280
[  360.984760]  ? __lock_is_held+0xb5/0x140
[  360.988810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.994336]  ? check_preemption_disabled+0x48/0x280
[  360.999343]  run_timer_softirq+0x52/0xb0
[  361.003393]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.008430]  __do_softirq+0x308/0xb7e
[  361.012235]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.016732]  ? lock_downgrade+0x900/0x900
[  361.020874]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.025981]  ? pvclock_read_flags+0x160/0x160
[  361.030486]  ? lapic_next_event+0x5a/0x90
[  361.034644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.040176]  ? kvm_clock_read+0x18/0x30
[  361.044138]  ? kvm_sched_clock_read+0x9/0x20
[  361.048541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.054079]  ? check_preemption_disabled+0x48/0x280
[  361.059096]  irq_exit+0x17f/0x1c0
[  361.062538]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.067373]  ? smp_reschedule_interrupt+0x109/0x650
[  361.072381]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.078254]  ? interrupt_entry+0xb5/0xc0
[  361.082302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.087325]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.092335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.097168]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.102170]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.107178]  ? task_prio+0x50/0x50
[  361.110705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.116230]  ? check_preemption_disabled+0x48/0x280
[  361.121242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.126380]  apic_timer_interrupt+0xf/0x20
[  361.130595]  </IRQ>
[  361.132819] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  361.137753] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  361.156727] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.164421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  361.171690] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  361.178951] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  361.186238] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  361.193495] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  361.200781]  skb_clone+0x1bb/0x500
[  361.204329]  ? finish_task_switch+0x2f4/0x910
[  361.208817]  ? skb_split+0x11e0/0x11e0
[  361.212694]  ? preempt_notifier_register+0x200/0x200
[  361.217796]  ? __switch_to_asm+0x34/0x70
[  361.221840]  ? __switch_to_asm+0x34/0x70
[  361.225905]  ? __switch_to_asm+0x40/0x70
[  361.229953]  ? __switch_to_asm+0x34/0x70
[  361.234032]  ? __switch_to_asm+0x40/0x70
[  361.238171]  ? __switch_to_asm+0x34/0x70
[  361.242217]  ? __switch_to_asm+0x40/0x70
[  361.246266]  ? __switch_to_asm+0x34/0x70
[  361.250313]  ? __switch_to_asm+0x34/0x70
[  361.254386]  ? __switch_to_asm+0x40/0x70
[  361.258471]  ? __switch_to_asm+0x34/0x70
[  361.262532]  bpf_clone_redirect+0xb9/0x490
[  361.266764]  ? __schedule+0x8d7/0x21d0
[  361.270646]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  361.275656]  ? __sched_text_start+0x8/0x8
[  361.279799]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  361.284559]  ? find_held_lock+0x36/0x1c0
[  361.288616]  ? lock_acquire+0x1ed/0x520
[  361.292590]  ? bpf_test_run+0x3ee/0x7a0
[  361.296558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.302083]  ? check_preemption_disabled+0x48/0x280
[  361.307089]  ? kasan_check_read+0x11/0x20
[  361.311225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.316488]  ? rcu_softirq_qs+0x20/0x20
[  361.320452]  ? preempt_schedule+0x4d/0x60
[  361.324593]  ? ___preempt_schedule+0x16/0x18
[  361.328994]  ? bpf_test_run+0x271/0x7a0
[  361.332983]  ? netlink_diag_dump+0x2a0/0x2a0
[  361.337383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.343009]  ? bpf_test_init.isra.10+0x70/0x100
[  361.347676]  ? bpf_prog_test_run_skb+0x762/0xd60
[  361.352558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.357395]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.362923]  ? fput+0x130/0x1a0
[  361.366196]  ? __bpf_prog_get+0x9b/0x290
[  361.370250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.375080]  ? bpf_prog_test_run+0x130/0x1a0
[  361.379481]  ? __x64_sys_bpf+0x3d8/0x520
[  361.383552]  ? bpf_prog_get+0x20/0x20
[  361.387360]  ? do_syscall_64+0x1b9/0x820
[  361.391409]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  361.396762]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.401686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.406550]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.411570]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  361.416594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.422236]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.427358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.432197]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  361.437568] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  361.437638] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.444503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.444508] Call Trace:
[  361.444550]  dump_stack+0x244/0x39d
[  361.444568]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.451110] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.460567]  warn_alloc.cold.116+0xb7/0x1bd
[  361.463132] syz-executor5 cpuset=syz5 mems_allowed=0
[  361.466744]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.496568]  ? lock_downgrade+0x900/0x900
[  361.500714]  ? trace_hardirqs_off+0xb8/0x310
[  361.505132]  ? trace_hardirqs_off+0xb8/0x310
[  361.509554]  __alloc_pages_slowpath+0x2651/0x2de0
[  361.514429]  ? warn_alloc+0x120/0x120
[  361.518228]  ? print_usage_bug+0xc0/0xc0
[  361.522282]  ? warn_alloc+0x120/0x120
[  361.526179]  ? warn_alloc+0x120/0x120
[  361.529972]  ? print_usage_bug+0xc0/0xc0
[  361.534041]  ? print_usage_bug+0xc0/0xc0
[  361.538094]  ? __lock_acquire+0x62f/0x4c20
[  361.542320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.547972]  ? should_fail+0x22d/0xd01
[  361.551854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.556943]  ? __lock_acquire+0x62f/0x4c20
[  361.561169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.566259]  ? __lock_acquire+0x62f/0x4c20
[  361.570485]  ? should_fail+0x22d/0xd01
[  361.574370]  ? find_held_lock+0x36/0x1c0
[  361.578430]  ? mark_held_locks+0x130/0x130
[  361.582671]  ? mark_held_locks+0x130/0x130
[  361.586904]  ? zap_class+0x640/0x640
[  361.590643]  ? mark_held_locks+0xc7/0x130
[  361.594783]  ? do_raw_spin_unlock+0xa7/0x330
[  361.599188]  ? zap_class+0x640/0x640
[  361.602893]  ? print_usage_bug+0xc0/0xc0
[  361.606953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.612485]  ? check_preemption_disabled+0x48/0x280
[  361.617509]  ? __lock_is_held+0xb5/0x140
[  361.621581]  __alloc_pages_nodemask+0xad8/0xea0
[  361.626245]  ? zap_class+0x640/0x640
[  361.629961]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  361.634979]  ? find_held_lock+0x36/0x1c0
[  361.639042]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.643709]  ? lock_downgrade+0x900/0x900
[  361.647858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.653398]  cache_grow_begin+0xa5/0x8c0
[  361.657451]  ? do_raw_spin_unlock+0xa7/0x330
[  361.661864]  fallback_alloc+0x204/0x2e0
[  361.665856]  ____cache_alloc_node+0x1c7/0x1e0
[  361.670352]  kmem_cache_alloc_node+0xe3/0x730
[  361.674846]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.679089]  __alloc_skb+0x119/0x770
[  361.682798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.688076]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.692483]  ? lock_downgrade+0x900/0x900
[  361.696642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.702173]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.707635]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.713085]  ? addrconf_rs_timer+0x690/0x690
[  361.717500]  ndisc_alloc_skb+0x144/0x340
[  361.721571]  ndisc_send_rs+0x331/0x6e0
[  361.725458]  addrconf_rs_timer+0x314/0x690
[  361.729707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.733948]  call_timer_fn+0x272/0x920
[  361.737832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.742061]  ? process_timeout+0x40/0x40
[  361.746137]  ? __run_timers+0x7da/0xc70
[  361.750109]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.754600]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.759087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.763318]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.767898]  ? trace_hardirqs_on+0xbd/0x310
[  361.772213]  ? kasan_check_read+0x11/0x20
[  361.776374]  ? __run_timers+0x7da/0xc70
[  361.780364]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.785466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.789707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.793935]  __run_timers+0x7e5/0xc70
[  361.797735]  ? timer_fixup_init+0x70/0x70
[  361.801878]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.806365]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.810853]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.815431]  ? trace_hardirqs_on+0xbd/0x310
[  361.819744]  ? kasan_check_read+0x11/0x20
[  361.823893]  ? finish_task_switch+0x1f4/0x910
[  361.828390]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.833487]  ? compat_start_thread+0x80/0x80
[  361.837918]  ? pvclock_read_flags+0x160/0x160
[  361.842405]  ? __switch_to_asm+0x34/0x70
[  361.846464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.852005]  ? check_preemption_disabled+0x48/0x280
[  361.857023]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  361.862559]  ? rcu_pm_notify+0xc0/0xc0
[  361.866442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.871971]  ? check_preemption_disabled+0x48/0x280
[  361.876979]  run_timer_softirq+0x52/0xb0
[  361.881039]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.886044]  __do_softirq+0x308/0xb7e
[  361.889842]  ? retint_kernel+0x2d/0x2d
[  361.893736]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.898833]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  361.904269]  ? retint_kernel+0x2d/0x2d
[  361.908153]  ? schedule+0x108/0x460
[  361.911784]  ? trace_hardirqs_off+0xb8/0x310
[  361.916196]  ? smpboot_thread_fn+0x68b/0xa00
[  361.920595]  ? trace_hardirqs_on+0x310/0x310
[  361.924992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.930529]  ? check_preemption_disabled+0x48/0x280
[  361.935540]  ? takeover_tasklets+0xa90/0xa90
[  361.939941]  run_ksoftirqd+0x5e/0x100
[  361.943743]  smpboot_thread_fn+0x68b/0xa00
[  361.947970]  ? sort_range+0x30/0x30
[  361.951592]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  361.956692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.962228]  ? __kthread_parkme+0xfb/0x1a0
[  361.966454]  ? sort_range+0x30/0x30
[  361.970094]  kthread+0x35a/0x440
[  361.973452]  ? kthread_stop+0x900/0x900
[  361.977425]  ret_from_fork+0x3a/0x50
[  361.981160] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  361.981163] warn_alloc_show_mem: 1 callbacks suppressed
[  361.981168] Mem-Info:
[  361.988515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.993900] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  361.993900]  active_file:17 inactive_file:17 isolated_file:0
[  361.993900]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.993900]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  361.993900]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  361.993900]  free:13768 free_pcp:279 free_cma:0
[  361.996266] Call Trace:
[  362.005651] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  362.038775]  <IRQ>
[  362.041339] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  362.069272]  dump_stack+0x244/0x39d
[  362.071392] lowmem_reserve[]: 0 2818 6321 6321
[  362.097503]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.101115] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  362.105689]  warn_alloc.cold.116+0xb7/0x1bd
[  362.110841] lowmem_reserve[]: 0 0 3503 3503
[  362.138235]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.142526] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  362.146836]  ? lock_downgrade+0x900/0x900
[  362.151651] lowmem_reserve[]: 0 0 0 0
[  362.180613]  ? trace_hardirqs_off+0xb8/0x310
[  362.184843] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  362.188651]  ? trace_hardirqs_off+0xb8/0x310
[  362.193029] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  362.206552]  __alloc_pages_slowpath+0x2651/0x2de0
[  362.210926] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  362.226609]  ? warn_alloc+0x120/0x120
[  362.231412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  362.246420]  ? print_usage_bug+0xc0/0xc0
[  362.250195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  362.259009]  ? warn_alloc+0x120/0x120
[  362.263056] 1758 total pagecache pages
[  362.271620]  ? warn_alloc+0x120/0x120
[  362.275510] 0 pages in swap cache
[  362.279379]  ? print_usage_bug+0xc0/0xc0
[  362.283152] Swap cache stats: add 0, delete 0, find 0/0
[  362.286583]  ? kvm_clock_read+0x18/0x30
[  362.290611] Free swap  = 0kB
[  362.295957]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  362.299897] Total swap = 0kB
[  362.302897]  ? print_usage_bug+0xc0/0xc0
[  362.307881] 1965979 pages RAM
[  362.310881]  ? __lock_acquire+0x62f/0x4c20
[  362.314919] 0 pages HighMem/MovableOnly
[  362.318019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.322218] 342853 pages reserved
[  362.326185]  ? should_fail+0x22d/0xd01
[  362.331687] 0 pages cma reserved
[  362.335124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.339063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.342329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.342340]  ? __lock_acquire+0x62f/0x4c20
[  362.342356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.347655] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.354079]  ? __lock_acquire+0x62f/0x4c20
[  362.359147] ksoftirqd/0 cpuset=/ mems_allowed=0
[  362.363356]  ? should_fail+0x22d/0xd01
[  362.363367]  ? rcu_irq_exit+0x1a2/0x390
[  362.395652]  ? mark_held_locks+0x130/0x130
[  362.399891]  ? mark_held_locks+0x130/0x130
[  362.404120]  ? mark_held_locks+0xc7/0x130
[  362.408257]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  362.413274]  ? zap_class+0x640/0x640
[  362.416979]  ? print_usage_bug+0xc0/0xc0
[  362.421038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.426588]  ? check_preemption_disabled+0x48/0x280
[  362.431605]  ? __lock_is_held+0xb5/0x140
[  362.435674]  __alloc_pages_nodemask+0xad8/0xea0
[  362.440335]  ? zap_class+0x640/0x640
[  362.444043]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  362.449068]  ? find_held_lock+0x36/0x1c0
[  362.453212]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.457877]  ? lock_downgrade+0x900/0x900
[  362.462055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.467587]  cache_grow_begin+0xa5/0x8c0
[  362.471639]  ? do_raw_spin_unlock+0xa7/0x330
[  362.476050]  fallback_alloc+0x204/0x2e0
[  362.480021]  ____cache_alloc_node+0x1c7/0x1e0
[  362.484513]  kmem_cache_alloc_node+0xe3/0x730
[  362.489018]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.493253]  __alloc_skb+0x119/0x770
[  362.496972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.502241]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.506640]  ? lock_downgrade+0x900/0x900
[  362.510892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.516422]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.521886]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.527342]  ? addrconf_rs_timer+0x690/0x690
[  362.531754]  ndisc_alloc_skb+0x144/0x340
[  362.535826]  ndisc_send_rs+0x331/0x6e0
[  362.539706]  addrconf_rs_timer+0x314/0x690
[  362.543944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.548189]  call_timer_fn+0x272/0x920
[  362.552067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.556292]  ? process_timeout+0x40/0x40
[  362.560353]  ? __run_timers+0x7da/0xc70
[  362.564326]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.568813]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.573298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.577525]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.582104]  ? trace_hardirqs_on+0xbd/0x310
[  362.586417]  ? kasan_check_read+0x11/0x20
[  362.590562]  ? __run_timers+0x7da/0xc70
[  362.594541]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.599641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.603875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.608101]  __run_timers+0x7e5/0xc70
[  362.611991]  ? timer_fixup_init+0x70/0x70
[  362.616143]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.621359]  ? zap_class+0x640/0x640
[  362.625084]  ? enqueue_hrtimer+0x1a5/0x560
[  362.629312]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.634502]  ? find_held_lock+0x36/0x1c0
[  362.638559]  ? zap_class+0x640/0x640
[  362.642271]  ? pvclock_read_flags+0x160/0x160
[  362.646762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.652291]  ? check_preemption_disabled+0x48/0x280
[  362.657310]  ? __lock_is_held+0xb5/0x140
[  362.661367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.666897]  ? check_preemption_disabled+0x48/0x280
[  362.671921]  run_timer_softirq+0x52/0xb0
[  362.675991]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.681000]  __do_softirq+0x308/0xb7e
[  362.684792]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.689275]  ? lock_downgrade+0x900/0x900
[  362.693430]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.698532]  ? pvclock_read_flags+0x160/0x160
[  362.703021]  ? lapic_next_event+0x5a/0x90
[  362.707160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.712697]  ? kvm_clock_read+0x18/0x30
[  362.716663]  ? kvm_sched_clock_read+0x9/0x20
[  362.721062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.726595]  ? check_preemption_disabled+0x48/0x280
[  362.731615]  irq_exit+0x17f/0x1c0
[  362.735064]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.739902]  ? smp_reschedule_interrupt+0x109/0x650
[  362.744912]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.750786]  ? interrupt_entry+0xb5/0xc0
[  362.754837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.759842]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.764848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.769692]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.774703]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.779721]  ? task_prio+0x50/0x50
[  362.783269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.788805]  ? check_preemption_disabled+0x48/0x280
[  362.793837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.798678]  apic_timer_interrupt+0xf/0x20
[  362.802901]  </IRQ>
[  362.805137] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  362.810060] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  362.829058] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  362.836856] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  362.844113] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  362.851372] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  362.858632] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  362.865930] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  362.873215]  skb_clone+0x1bb/0x500
[  362.876749]  ? finish_task_switch+0x2f4/0x910
[  362.881238]  ? skb_split+0x11e0/0x11e0
[  362.885119]  ? preempt_notifier_register+0x200/0x200
[  362.890208]  ? __switch_to_asm+0x34/0x70
[  362.894257]  ? __switch_to_asm+0x34/0x70
[  362.898304]  ? __switch_to_asm+0x40/0x70
[  362.902475]  ? __switch_to_asm+0x34/0x70
[  362.906525]  ? __switch_to_asm+0x40/0x70
[  362.910577]  ? __switch_to_asm+0x34/0x70
[  362.914624]  ? __switch_to_asm+0x40/0x70
[  362.918669]  ? __switch_to_asm+0x34/0x70
[  362.922717]  ? __switch_to_asm+0x34/0x70
[  362.926767]  ? __switch_to_asm+0x40/0x70
[  362.930811]  ? __switch_to_asm+0x34/0x70
[  362.934867]  bpf_clone_redirect+0xb9/0x490
[  362.939091]  ? __schedule+0x8d7/0x21d0
[  362.942970]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  362.947972]  ? __sched_text_start+0x8/0x8
[  362.952108]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.956863]  ? find_held_lock+0x36/0x1c0
[  362.960922]  ? lock_acquire+0x1ed/0x520
[  362.964890]  ? bpf_test_run+0x3ee/0x7a0
[  362.968857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.974384]  ? check_preemption_disabled+0x48/0x280
[  362.979405]  ? kasan_check_read+0x11/0x20
[  362.983540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.988807]  ? rcu_softirq_qs+0x20/0x20
[  362.992773]  ? preempt_schedule+0x4d/0x60
[  362.996921]  ? ___preempt_schedule+0x16/0x18
[  363.001331]  ? bpf_test_run+0x271/0x7a0
[  363.005310]  ? netlink_diag_dump+0x2a0/0x2a0
[  363.009715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.015259]  ? bpf_test_init.isra.10+0x70/0x100
[  363.019925]  ? bpf_prog_test_run_skb+0x762/0xd60
[  363.024697]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  363.029533]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.035072]  ? fput+0x130/0x1a0
[  363.038346]  ? __bpf_prog_get+0x9b/0x290
[  363.042405]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  363.047243]  ? bpf_prog_test_run+0x130/0x1a0
[  363.051649]  ? __x64_sys_bpf+0x3d8/0x520
[  363.055703]  ? bpf_prog_get+0x20/0x20
[  363.059516]  ? do_syscall_64+0x1b9/0x820
[  363.063572]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  363.068945]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.073868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.078720]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.083726]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  363.088732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.094257]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.099268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.104105]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  363.109477] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  363.109550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.116325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.116329] Call Trace:
[  363.116346]  dump_stack+0x244/0x39d
[  363.116365]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.123013] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.132297]  warn_alloc.cold.116+0xb7/0x1bd
[  363.134847] syz-executor5 cpuset=syz5 mems_allowed=0
[  363.138455]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.168405]  ? lock_downgrade+0x900/0x900
[  363.172559]  ? trace_hardirqs_off+0xb8/0x310
[  363.176985]  ? trace_hardirqs_off+0xb8/0x310
[  363.181411]  __alloc_pages_slowpath+0x2651/0x2de0
[  363.186290]  ? warn_alloc+0x120/0x120
[  363.190359]  ? print_usage_bug+0xc0/0xc0
[  363.194439]  ? warn_alloc+0x120/0x120
[  363.198241]  ? warn_alloc+0x120/0x120
[  363.202030]  ? print_usage_bug+0xc0/0xc0
[  363.206086]  ? print_usage_bug+0xc0/0xc0
[  363.210141]  ? __lock_acquire+0x62f/0x4c20
[  363.214381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.220001]  ? should_fail+0x22d/0xd01
[  363.223880]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.228972]  ? __lock_acquire+0x62f/0x4c20
[  363.233204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.238298]  ? __lock_acquire+0x62f/0x4c20
[  363.242624]  ? should_fail+0x22d/0xd01
[  363.246515]  ? find_held_lock+0x36/0x1c0
[  363.250576]  ? mark_held_locks+0x130/0x130
[  363.254803]  ? mark_held_locks+0x130/0x130
[  363.259030]  ? zap_class+0x640/0x640
[  363.262736]  ? zap_class+0x640/0x640
[  363.266448]  ? print_usage_bug+0xc0/0xc0
[  363.270504]  ? do_raw_spin_unlock+0xa7/0x330
[  363.274906]  ? zap_class+0x640/0x640
[  363.278616]  ? print_usage_bug+0xc0/0xc0
[  363.282669]  ? wq_watchdog_touch+0x9c/0xfe
[  363.286902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.292440]  ? check_preemption_disabled+0x48/0x280
[  363.297461]  ? __lock_is_held+0xb5/0x140
[  363.301521]  __alloc_pages_nodemask+0xad8/0xea0
[  363.306183]  ? zap_class+0x640/0x640
[  363.309895]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  363.314915]  ? find_held_lock+0x36/0x1c0
[  363.318980]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.323645]  ? lock_downgrade+0x900/0x900
[  363.327799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.333346]  cache_grow_begin+0xa5/0x8c0
[  363.337413]  ? do_raw_spin_unlock+0xa7/0x330
[  363.341824]  fallback_alloc+0x204/0x2e0
[  363.345799]  ____cache_alloc_node+0x1c7/0x1e0
[  363.350294]  kmem_cache_alloc_node+0xe3/0x730
[  363.354787]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.359024]  __alloc_skb+0x119/0x770
[  363.362744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.368024]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.372431]  ? lock_downgrade+0x900/0x900
[  363.376579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.382116]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.387577]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.393024]  ? addrconf_rs_timer+0x690/0x690
[  363.397440]  ndisc_alloc_skb+0x144/0x340
[  363.401501]  ndisc_send_rs+0x331/0x6e0
[  363.405402]  addrconf_rs_timer+0x314/0x690
[  363.409638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.413877]  call_timer_fn+0x272/0x920
[  363.417763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.421992]  ? process_timeout+0x40/0x40
[  363.426053]  ? __run_timers+0x7da/0xc70
[  363.430027]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.434513]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.439001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.443230]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.447806]  ? trace_hardirqs_on+0xbd/0x310
[  363.452121]  ? kasan_check_read+0x11/0x20
[  363.456259]  ? __run_timers+0x7da/0xc70
[  363.460229]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.465332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.469574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.473795]  __run_timers+0x7e5/0xc70
[  363.477610]  ? timer_fixup_init+0x70/0x70
[  363.481755]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.486251]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.490749]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.495331]  ? trace_hardirqs_on+0xbd/0x310
[  363.499651]  ? kasan_check_read+0x11/0x20
[  363.503817]  ? finish_task_switch+0x1f4/0x910
[  363.508315]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.513424]  ? compat_start_thread+0x80/0x80
[  363.517849]  ? pvclock_read_flags+0x160/0x160
[  363.522330]  ? __switch_to_asm+0x34/0x70
[  363.526410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.531943]  ? check_preemption_disabled+0x48/0x280
[  363.536957]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  363.542490]  ? rcu_pm_notify+0xc0/0xc0
[  363.546390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.551918]  ? check_preemption_disabled+0x48/0x280
[  363.556930]  run_timer_softirq+0x52/0xb0
[  363.560987]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.565999]  __do_softirq+0x308/0xb7e
[  363.569808]  ? retint_kernel+0x2d/0x2d
[  363.573694]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.578891]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.584357]  ? retint_kernel+0x2d/0x2d
[  363.588246]  ? schedule+0x108/0x460
[  363.591872]  ? trace_hardirqs_off+0xb8/0x310
[  363.596271]  ? smpboot_thread_fn+0x68b/0xa00
[  363.600668]  ? trace_hardirqs_on+0x310/0x310
[  363.605175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.610698]  ? check_preemption_disabled+0x48/0x280
[  363.615702]  ? takeover_tasklets+0xa90/0xa90
[  363.620103]  run_ksoftirqd+0x5e/0x100
[  363.623897]  smpboot_thread_fn+0x68b/0xa00
[  363.628118]  ? sort_range+0x30/0x30
[  363.631738]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  363.636828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.642361]  ? __kthread_parkme+0xfb/0x1a0
[  363.646589]  ? sort_range+0x30/0x30
[  363.650205]  kthread+0x35a/0x440
[  363.653572]  ? kthread_stop+0x900/0x900
[  363.657537]  ret_from_fork+0x3a/0x50
[  363.661263] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  363.661268] warn_alloc_show_mem: 1 callbacks suppressed
[  363.661273] Mem-Info:
[  363.668646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.674006] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  363.674006]  active_file:17 inactive_file:17 isolated_file:0
[  363.674006]  unevictable:0 dirty:0 writeback:0 unstable:0
[  363.674006]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  363.674006]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  363.674006]  free:13768 free_pcp:279 free_cma:0
[  363.676375] Call Trace:
[  363.685742] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  363.718751]  <IRQ>
[  363.721313] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  363.748976]  dump_stack+0x244/0x39d
[  363.751096] lowmem_reserve[]: 0 2818 6321 6321
[  363.777379]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.780974] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  363.785554]  warn_alloc.cold.116+0xb7/0x1bd
[  363.790713] lowmem_reserve[]: 0 0 3503 3503
[  363.818109]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.822427] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  363.826725]  ? lock_downgrade+0x900/0x900
[  363.831529] lowmem_reserve[]: 0 0 0 0
[  363.860507]  ? trace_hardirqs_off+0xb8/0x310
[  363.864639] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  363.868428]  ? trace_hardirqs_off+0xb8/0x310
[  363.872803] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  363.886322]  __alloc_pages_slowpath+0x2651/0x2de0
[  363.890699] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  363.905871]  ? warn_alloc+0x120/0x120
[  363.910670] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  363.925384]  ? print_usage_bug+0xc0/0xc0
[  363.929156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  363.937966]  ? warn_alloc+0x120/0x120
[  363.942005] 1758 total pagecache pages
[  363.950567]  ? warn_alloc+0x120/0x120
[  363.954349] 0 pages in swap cache
[  363.958234]  ? print_usage_bug+0xc0/0xc0
[  363.962005] Swap cache stats: add 0, delete 0, find 0/0
[  363.965439]  ? kvm_clock_read+0x18/0x30
[  363.969473] Free swap  = 0kB
[  363.974823]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  363.978761] Total swap = 0kB
[  363.981766]  ? print_usage_bug+0xc0/0xc0
[  363.986751] 1965979 pages RAM
[  363.989762]  ? __lock_acquire+0x62f/0x4c20
[  363.993786] 0 pages HighMem/MovableOnly
[  363.993794] 342853 pages reserved
[  363.996905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.001110] 0 pages cma reserved
[  364.005073]  ? should_fail+0x22d/0xd01
[  364.008561] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.014012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.014029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.014044]  ? __lock_acquire+0x62f/0x4c20
[  364.017451] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.021256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.027714] ksoftirqd/0 cpuset=/ mems_allowed=0
[  364.032969]  ? __lock_acquire+0x62f/0x4c20
[  364.032983]  ? should_fail+0x22d/0xd01
[  364.070551]  ? rcu_irq_exit+0x1a2/0x390
[  364.074527]  ? mark_held_locks+0x130/0x130
[  364.078768]  ? mark_held_locks+0x130/0x130
[  364.083000]  ? mark_held_locks+0xc7/0x130
[  364.087139]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.092144]  ? zap_class+0x640/0x640
[  364.095846]  ? print_usage_bug+0xc0/0xc0
[  364.099903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.105434]  ? check_preemption_disabled+0x48/0x280
[  364.110445]  ? __lock_is_held+0xb5/0x140
[  364.114513]  __alloc_pages_nodemask+0xad8/0xea0
[  364.119168]  ? zap_class+0x640/0x640
[  364.122887]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  364.127912]  ? find_held_lock+0x36/0x1c0
[  364.131979]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.136647]  ? lock_downgrade+0x900/0x900
[  364.140807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.146349]  cache_grow_begin+0xa5/0x8c0
[  364.150400]  ? do_raw_spin_unlock+0xa7/0x330
[  364.154826]  fallback_alloc+0x204/0x2e0
[  364.158813]  ____cache_alloc_node+0x1c7/0x1e0
[  364.163308]  kmem_cache_alloc_node+0xe3/0x730
[  364.167795]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.172035]  __alloc_skb+0x119/0x770
[  364.175912]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.181184]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.185587]  ? lock_downgrade+0x900/0x900
[  364.189825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.195367]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.200816]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.206258]  ? addrconf_rs_timer+0x690/0x690
[  364.210682]  ndisc_alloc_skb+0x144/0x340
[  364.214735]  ndisc_send_rs+0x331/0x6e0
[  364.218639]  addrconf_rs_timer+0x314/0x690
[  364.222870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.227107]  call_timer_fn+0x272/0x920
[  364.230983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.235209]  ? process_timeout+0x40/0x40
[  364.239261]  ? __run_timers+0x7da/0xc70
[  364.243230]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.247712]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.252206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.256429]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.260998]  ? trace_hardirqs_on+0xbd/0x310
[  364.265313]  ? kasan_check_read+0x11/0x20
[  364.269458]  ? __run_timers+0x7da/0xc70
[  364.273423]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.278529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.282762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.286993]  __run_timers+0x7e5/0xc70
[  364.290811]  ? timer_fixup_init+0x70/0x70
[  364.294948]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.299956]  ? zap_class+0x640/0x640
[  364.303663]  ? enqueue_hrtimer+0x1a5/0x560
[  364.307892]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.313077]  ? find_held_lock+0x36/0x1c0
[  364.317128]  ? zap_class+0x640/0x640
[  364.320833]  ? pvclock_read_flags+0x160/0x160
[  364.325322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.330864]  ? check_preemption_disabled+0x48/0x280
[  364.335876]  ? __lock_is_held+0xb5/0x140
[  364.339926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.345453]  ? check_preemption_disabled+0x48/0x280
[  364.350459]  run_timer_softirq+0x52/0xb0
[  364.354530]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.359554]  __do_softirq+0x308/0xb7e
[  364.363351]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.367837]  ? lock_downgrade+0x900/0x900
[  364.371992]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.377093]  ? pvclock_read_flags+0x160/0x160
[  364.381588]  ? lapic_next_event+0x5a/0x90
[  364.385735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.391284]  ? kvm_clock_read+0x18/0x30
[  364.395256]  ? kvm_sched_clock_read+0x9/0x20
[  364.399681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.405220]  ? check_preemption_disabled+0x48/0x280
[  364.410235]  irq_exit+0x17f/0x1c0
[  364.413686]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.418519]  ? smp_reschedule_interrupt+0x109/0x650
[  364.423529]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.429408]  ? interrupt_entry+0xb5/0xc0
[  364.433475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.438485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.443498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.448335]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.453786]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.458804]  ? task_prio+0x50/0x50
[  364.462342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.467878]  ? check_preemption_disabled+0x48/0x280
[  364.472892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.477995]  apic_timer_interrupt+0xf/0x20
[  364.482223]  </IRQ>
[  364.484471] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  364.489398] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  364.508288] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.516007] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  364.523283] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  364.530544] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  364.537812] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  364.545070] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  364.552359]  skb_clone+0x1bb/0x500
[  364.555893]  ? finish_task_switch+0x2f4/0x910
[  364.560395]  ? skb_split+0x11e0/0x11e0
[  364.564281]  ? preempt_notifier_register+0x200/0x200
[  364.569390]  ? __switch_to_asm+0x34/0x70
[  364.573451]  ? __switch_to_asm+0x34/0x70
[  364.577499]  ? __switch_to_asm+0x40/0x70
[  364.581566]  ? __switch_to_asm+0x34/0x70
[  364.585629]  ? __switch_to_asm+0x40/0x70
[  364.589699]  ? __switch_to_asm+0x34/0x70
[  364.593752]  ? __switch_to_asm+0x40/0x70
[  364.597819]  ? __switch_to_asm+0x34/0x70
[  364.601869]  ? __switch_to_asm+0x34/0x70
[  364.605943]  ? __switch_to_asm+0x40/0x70
[  364.609997]  ? __switch_to_asm+0x34/0x70
[  364.614292]  bpf_clone_redirect+0xb9/0x490
[  364.618520]  ? __schedule+0x8d7/0x21d0
[  364.622913]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  364.627929]  ? __sched_text_start+0x8/0x8
[  364.632068]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  364.636823]  ? find_held_lock+0x36/0x1c0
[  364.640878]  ? lock_acquire+0x1ed/0x520
[  364.644844]  ? bpf_test_run+0x3ee/0x7a0
[  364.648832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.654358]  ? check_preemption_disabled+0x48/0x280
[  364.659369]  ? kasan_check_read+0x11/0x20
[  364.663507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.668773]  ? rcu_softirq_qs+0x20/0x20
[  364.672736]  ? preempt_schedule+0x4d/0x60
[  364.676879]  ? ___preempt_schedule+0x16/0x18
[  364.681298]  ? bpf_test_run+0x271/0x7a0
[  364.685277]  ? netlink_diag_dump+0x2a0/0x2a0
[  364.689678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.695205]  ? bpf_test_init.isra.10+0x70/0x100
[  364.699868]  ? bpf_prog_test_run_skb+0x762/0xd60
[  364.704619]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  364.709452]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  364.714975]  ? fput+0x130/0x1a0
[  364.718262]  ? __bpf_prog_get+0x9b/0x290
[  364.722436]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  364.727264]  ? bpf_prog_test_run+0x130/0x1a0
[  364.731662]  ? __x64_sys_bpf+0x3d8/0x520
[  364.735717]  ? bpf_prog_get+0x20/0x20
[  364.739528]  ? do_syscall_64+0x1b9/0x820
[  364.743581]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  364.749036]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.754068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.758909]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.763925]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  364.768936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.774469]  ? prepare_exit_to_usermode+0x291/0x3b0
[  364.779489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.784349]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  364.789729] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  364.789810] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.796566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.796571] Call Trace:
[  364.796587]  dump_stack+0x244/0x39d
[  364.796624]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.803166] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.812447]  warn_alloc.cold.116+0xb7/0x1bd
[  364.814995] syz-executor5 cpuset=syz5 mems_allowed=0
[  364.818609]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.848471]  ? lock_downgrade+0x900/0x900
[  364.852622]  ? trace_hardirqs_off+0xb8/0x310
[  364.857031]  ? trace_hardirqs_off+0xb8/0x310
[  364.861446]  __alloc_pages_slowpath+0x2651/0x2de0
[  364.866434]  ? warn_alloc+0x120/0x120
[  364.870241]  ? print_usage_bug+0xc0/0xc0
[  364.874301]  ? warn_alloc+0x120/0x120
[  364.878100]  ? warn_alloc+0x120/0x120
[  364.881891]  ? print_usage_bug+0xc0/0xc0
[  364.885961]  ? print_usage_bug+0xc0/0xc0
[  364.890017]  ? __lock_acquire+0x62f/0x4c20
[  364.894252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.899815]  ? should_fail+0x22d/0xd01
[  364.903700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.908792]  ? __lock_acquire+0x62f/0x4c20
[  364.913021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.918117]  ? __lock_acquire+0x62f/0x4c20
[  364.922343]  ? should_fail+0x22d/0xd01
[  364.926239]  ? mark_held_locks+0x130/0x130
[  364.930468]  ? mark_held_locks+0x130/0x130
[  364.934697]  ? zap_class+0x640/0x640
[  364.938403]  ? zap_class+0x640/0x640
[  364.942115]  ? zap_class+0x640/0x640
[  364.945824]  ? print_usage_bug+0xc0/0xc0
[  364.949877]  ? mark_held_locks+0x130/0x130
[  364.954102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.959630]  ? check_preemption_disabled+0x48/0x280
[  364.964661]  ? __lock_is_held+0xb5/0x140
[  364.968711]  __alloc_pages_nodemask+0xad8/0xea0
[  364.973369]  ? zap_class+0x640/0x640
[  364.977076]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  364.982088]  ? find_held_lock+0x36/0x1c0
[  364.986147]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.990819]  ? lock_downgrade+0x900/0x900
[  364.994962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.000507]  cache_grow_begin+0xa5/0x8c0
[  365.004553]  ? do_raw_spin_unlock+0xa7/0x330
[  365.008953]  fallback_alloc+0x204/0x2e0
[  365.012917]  ____cache_alloc_node+0x1c7/0x1e0
[  365.017403]  kmem_cache_alloc_node+0xe3/0x730
[  365.021990]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.026232]  __alloc_skb+0x119/0x770
[  365.029950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.035233]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.039638]  ? lock_downgrade+0x900/0x900
[  365.043779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.049304]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.054746]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.060189]  ? addrconf_rs_timer+0x690/0x690
[  365.064604]  ndisc_alloc_skb+0x144/0x340
[  365.068656]  ndisc_send_rs+0x331/0x6e0
[  365.072536]  addrconf_rs_timer+0x314/0x690
[  365.076786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.081017]  call_timer_fn+0x272/0x920
[  365.084890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.089114]  ? process_timeout+0x40/0x40
[  365.093167]  ? __run_timers+0x7da/0xc70
[  365.097126]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.101607]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.106086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.110309]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.114883]  ? trace_hardirqs_on+0xbd/0x310
[  365.119202]  ? kasan_check_read+0x11/0x20
[  365.123339]  ? __run_timers+0x7da/0xc70
[  365.127299]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.132397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.136622]  __run_timers+0x7e5/0xc70
[  365.140424]  ? timer_fixup_init+0x70/0x70
[  365.144563]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.149157]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.153640]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.158224]  ? trace_hardirqs_on+0xbd/0x310
[  365.162542]  ? kasan_check_read+0x11/0x20
[  365.166704]  ? finish_task_switch+0x1f4/0x910
[  365.171206]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.176308]  ? compat_start_thread+0x80/0x80
[  365.180765]  ? pvclock_read_flags+0x160/0x160
[  365.185269]  ? __switch_to_asm+0x34/0x70
[  365.189325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.194869]  ? check_preemption_disabled+0x48/0x280
[  365.199878]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  365.205416]  ? rcu_pm_notify+0xc0/0xc0
[  365.209304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.214835]  ? check_preemption_disabled+0x48/0x280
[  365.219844]  run_timer_softirq+0x52/0xb0
[  365.223894]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.228900]  __do_softirq+0x308/0xb7e
[  365.232696]  ? retint_kernel+0x2d/0x2d
[  365.236580]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.241672]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.247111]  ? retint_kernel+0x2d/0x2d
[  365.250991]  ? schedule+0x108/0x460
[  365.254617]  ? trace_hardirqs_off+0xb8/0x310
[  365.259018]  ? smpboot_thread_fn+0x68b/0xa00
[  365.263419]  ? trace_hardirqs_on+0x310/0x310
[  365.267827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.273361]  ? check_preemption_disabled+0x48/0x280
[  365.278370]  ? takeover_tasklets+0xa90/0xa90
[  365.282808]  run_ksoftirqd+0x5e/0x100
[  365.286605]  smpboot_thread_fn+0x68b/0xa00
[  365.290833]  ? sort_range+0x30/0x30
[  365.294456]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.299558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.305218]  ? __kthread_parkme+0xfb/0x1a0
[  365.309453]  ? sort_range+0x30/0x30
[  365.313075]  kthread+0x35a/0x440
[  365.316451]  ? kthread_stop+0x900/0x900
[  365.320423]  ret_from_fork+0x3a/0x50
[  365.324161] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  365.324166] warn_alloc_show_mem: 1 callbacks suppressed
[  365.324172] Mem-Info:
[  365.331528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.336883] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  365.336883]  active_file:17 inactive_file:17 isolated_file:0
[  365.336883]  unevictable:0 dirty:0 writeback:0 unstable:0
[  365.336883]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  365.336883]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  365.336883]  free:13768 free_pcp:279 free_cma:0
[  365.339247] Call Trace:
[  365.348733] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  365.381743]  <IRQ>
[  365.384304] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  365.411977]  dump_stack+0x244/0x39d
[  365.414094] lowmem_reserve[]: 0 2818 6321 6321
[  365.440192]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.443790] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  365.448368]  warn_alloc.cold.116+0xb7/0x1bd
[  365.453978] lowmem_reserve[]: 0 0 3503 3503
[  365.481380]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.485667] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  365.489977]  ? lock_downgrade+0x900/0x900
[  365.494783] lowmem_reserve[]: 0 0 0 0
[  365.523829]  ? trace_hardirqs_off+0xb8/0x310
[  365.527943] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  365.531732]  ? trace_hardirqs_off+0xb8/0x310
[  365.536101] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  365.549619]  __alloc_pages_slowpath+0x2651/0x2de0
[  365.553993] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  365.569184]  ? warn_alloc+0x120/0x120
[  365.573989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  365.588705]  ? print_usage_bug+0xc0/0xc0
[  365.592491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  365.601304]  ? warn_alloc+0x120/0x120
[  365.605334] 1758 total pagecache pages
[  365.613904]  ? warn_alloc+0x120/0x120
[  365.617678] 0 pages in swap cache
[  365.621563]  ? print_usage_bug+0xc0/0xc0
[  365.625435] Swap cache stats: add 0, delete 0, find 0/0
[  365.628985]  ? kvm_clock_read+0x18/0x30
[  365.633030] Free swap  = 0kB
[  365.638377]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  365.642316] Total swap = 0kB
[  365.645315]  ? print_usage_bug+0xc0/0xc0
[  365.650299] 1965979 pages RAM
[  365.653299]  ? __lock_acquire+0x62f/0x4c20
[  365.657324] 0 pages HighMem/MovableOnly
[  365.657330] 342853 pages reserved
[  365.660419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.664619] 0 pages cma reserved
[  365.668579]  ? should_fail+0x22d/0xd01
[  365.672101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.677518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.677535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.680941] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.684737]  ? __lock_acquire+0x62f/0x4c20
[  365.691197] ksoftirqd/0 cpuset=/ mems_allowed=0
[  365.696460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.725791]  ? __lock_acquire+0x62f/0x4c20
[  365.730042]  ? should_fail+0x22d/0xd01
[  365.733917]  ? rcu_irq_exit+0x1a2/0x390
[  365.737908]  ? mark_held_locks+0x130/0x130
[  365.742158]  ? mark_held_locks+0x130/0x130
[  365.746390]  ? mark_held_locks+0xc7/0x130
[  365.750545]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  365.755560]  ? zap_class+0x640/0x640
[  365.759269]  ? print_usage_bug+0xc0/0xc0
[  365.763327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.768859]  ? check_preemption_disabled+0x48/0x280
[  365.773885]  ? __lock_is_held+0xb5/0x140
[  365.777944]  __alloc_pages_nodemask+0xad8/0xea0
[  365.782616]  ? zap_class+0x640/0x640
[  365.786324]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  365.791344]  ? find_held_lock+0x36/0x1c0
[  365.795402]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.800063]  ? lock_downgrade+0x900/0x900
[  365.804208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.809741]  cache_grow_begin+0xa5/0x8c0
[  365.813793]  ? do_raw_spin_unlock+0xa7/0x330
[  365.818210]  fallback_alloc+0x204/0x2e0
[  365.822181]  ____cache_alloc_node+0x1c7/0x1e0
[  365.826681]  kmem_cache_alloc_node+0xe3/0x730
[  365.831185]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.835421]  __alloc_skb+0x119/0x770
[  365.839128]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.844405]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.848802]  ? lock_downgrade+0x900/0x900
[  365.852948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.858477]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.863928]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.869366]  ? addrconf_rs_timer+0x690/0x690
[  365.873777]  ndisc_alloc_skb+0x144/0x340
[  365.877835]  ndisc_send_rs+0x331/0x6e0
[  365.881716]  addrconf_rs_timer+0x314/0x690
[  365.885946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.890177]  call_timer_fn+0x272/0x920
[  365.894065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.898290]  ? process_timeout+0x40/0x40
[  365.902352]  ? __run_timers+0x7da/0xc70
[  365.906318]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.910801]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.915295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.919523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.924096]  ? trace_hardirqs_on+0xbd/0x310
[  365.928415]  ? kasan_check_read+0x11/0x20
[  365.932553]  ? __run_timers+0x7da/0xc70
[  365.936517]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.941614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.945842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.950061]  __run_timers+0x7e5/0xc70
[  365.953868]  ? timer_fixup_init+0x70/0x70
[  365.958002]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.963008]  ? zap_class+0x640/0x640
[  365.966713]  ? enqueue_hrtimer+0x1a5/0x560
[  365.970966]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  365.976157]  ? find_held_lock+0x36/0x1c0
[  365.980209]  ? zap_class+0x640/0x640
[  365.983918]  ? pvclock_read_flags+0x160/0x160
[  365.988404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.993929]  ? check_preemption_disabled+0x48/0x280
[  365.998940]  ? __lock_is_held+0xb5/0x140
[  366.002993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.008536]  ? check_preemption_disabled+0x48/0x280
[  366.013559]  run_timer_softirq+0x52/0xb0
[  366.017631]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.022646]  __do_softirq+0x308/0xb7e
[  366.026446]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.030962]  ? lock_downgrade+0x900/0x900
[  366.035119]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.040218]  ? pvclock_read_flags+0x160/0x160
[  366.044724]  ? lapic_next_event+0x5a/0x90
[  366.048864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.054391]  ? kvm_clock_read+0x18/0x30
[  366.058361]  ? kvm_sched_clock_read+0x9/0x20
[  366.062763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.068301]  ? check_preemption_disabled+0x48/0x280
[  366.073335]  irq_exit+0x17f/0x1c0
[  366.076794]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.081624]  ? smp_reschedule_interrupt+0x109/0x650
[  366.086643]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.092520]  ? interrupt_entry+0xb5/0xc0
[  366.096575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.101581]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.106585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.111415]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.116418]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.121429]  ? task_prio+0x50/0x50
[  366.124965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.130494]  ? check_preemption_disabled+0x48/0x280
[  366.135506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.140347]  apic_timer_interrupt+0xf/0x20
[  366.144565]  </IRQ>
[  366.146796] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  366.151723] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  366.170614] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.178321] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  366.185579] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  366.192934] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  366.200206] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  366.207467] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  366.214769]  skb_clone+0x1bb/0x500
[  366.218305]  ? finish_task_switch+0x2f4/0x910
[  366.222791]  ? skb_split+0x11e0/0x11e0
[  366.226770]  ? preempt_notifier_register+0x200/0x200
[  366.231866]  ? __switch_to_asm+0x34/0x70
[  366.235918]  ? __switch_to_asm+0x34/0x70
[  366.239982]  ? __switch_to_asm+0x40/0x70
[  366.244028]  ? __switch_to_asm+0x34/0x70
[  366.248078]  ? __switch_to_asm+0x40/0x70
[  366.252156]  ? __switch_to_asm+0x34/0x70
[  366.256210]  ? __switch_to_asm+0x40/0x70
[  366.260275]  ? __switch_to_asm+0x34/0x70
[  366.264329]  ? __switch_to_asm+0x34/0x70
[  366.268379]  ? __switch_to_asm+0x40/0x70
[  366.272428]  ? __switch_to_asm+0x34/0x70
[  366.276485]  bpf_clone_redirect+0xb9/0x490
[  366.280713]  ? __schedule+0x8d7/0x21d0
[  366.284685]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  366.289693]  ? __sched_text_start+0x8/0x8
[  366.293827]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  366.298584]  ? find_held_lock+0x36/0x1c0
[  366.302648]  ? lock_acquire+0x1ed/0x520
[  366.306647]  ? bpf_test_run+0x3ee/0x7a0
[  366.310621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.316154]  ? check_preemption_disabled+0x48/0x280
[  366.321184]  ? kasan_check_read+0x11/0x20
[  366.325335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.330602]  ? rcu_softirq_qs+0x20/0x20
[  366.334575]  ? preempt_schedule+0x4d/0x60
[  366.338712]  ? ___preempt_schedule+0x16/0x18
[  366.343119]  ? bpf_test_run+0x271/0x7a0
[  366.347110]  ? netlink_diag_dump+0x2a0/0x2a0
[  366.351528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.357056]  ? bpf_test_init.isra.10+0x70/0x100
[  366.361834]  ? bpf_prog_test_run_skb+0x762/0xd60
[  366.366588]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  366.371451]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  366.376981]  ? fput+0x130/0x1a0
[  366.380250]  ? __bpf_prog_get+0x9b/0x290
[  366.384309]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  366.389137]  ? bpf_prog_test_run+0x130/0x1a0
[  366.393537]  ? __x64_sys_bpf+0x3d8/0x520
[  366.397585]  ? bpf_prog_get+0x20/0x20
[  366.401390]  ? do_syscall_64+0x1b9/0x820
[  366.405452]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  366.410824]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.415744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.420580]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.425599]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  366.430610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.436136]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.441149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.445992]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  366.451377] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  366.451450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.458722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.458730] Call Trace:
[  366.465324] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.474582]  dump_stack+0x244/0x39d
[  366.477149] syz-executor5 cpuset=syz5 mems_allowed=0
[  366.487621]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.501477]  warn_alloc.cold.116+0xb7/0x1bd
[  366.505787]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.510624]  ? lock_downgrade+0x900/0x900
[  366.514783]  ? trace_hardirqs_off+0xb8/0x310
[  366.519190]  ? trace_hardirqs_off+0xb8/0x310
[  366.523593]  __alloc_pages_slowpath+0x2651/0x2de0
[  366.528446]  ? warn_alloc+0x120/0x120
[  366.532243]  ? print_usage_bug+0xc0/0xc0
[  366.536299]  ? warn_alloc+0x120/0x120
[  366.540108]  ? warn_alloc+0x120/0x120
[  366.543902]  ? print_usage_bug+0xc0/0xc0
[  366.547958]  ? print_usage_bug+0xc0/0xc0
[  366.552012]  ? __lock_acquire+0x62f/0x4c20
[  366.556244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.561776]  ? should_fail+0x22d/0xd01
[  366.565673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.570771]  ? __lock_acquire+0x62f/0x4c20
[  366.575018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.580125]  ? __lock_acquire+0x62f/0x4c20
[  366.584349]  ? should_fail+0x22d/0xd01
[  366.588331]  ? find_held_lock+0x36/0x1c0
[  366.592405]  ? mark_held_locks+0x130/0x130
[  366.596647]  ? mark_held_locks+0x130/0x130
[  366.600869]  ? zap_class+0x640/0x640
[  366.604573]  ? mark_held_locks+0xc7/0x130
[  366.608721]  ? do_raw_spin_unlock+0xa7/0x330
[  366.613137]  ? zap_class+0x640/0x640
[  366.616844]  ? print_usage_bug+0xc0/0xc0
[  366.620898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.626665]  ? check_preemption_disabled+0x48/0x280
[  366.631680]  ? __lock_is_held+0xb5/0x140
[  366.635736]  __alloc_pages_nodemask+0xad8/0xea0
[  366.640394]  ? zap_class+0x640/0x640
[  366.644108]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  366.649121]  ? find_held_lock+0x36/0x1c0
[  366.653181]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.657841]  ? lock_downgrade+0x900/0x900
[  366.661985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.667530]  cache_grow_begin+0xa5/0x8c0
[  366.671583]  ? do_raw_spin_unlock+0xa7/0x330
[  366.676002]  fallback_alloc+0x204/0x2e0
[  366.679971]  ____cache_alloc_node+0x1c7/0x1e0
[  366.684473]  kmem_cache_alloc_node+0xe3/0x730
[  366.688961]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.693223]  __alloc_skb+0x119/0x770
[  366.696950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.702223]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.706628]  ? lock_downgrade+0x900/0x900
[  366.710778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.716310]  ? refcount_sub_and_test_checked+0x203/0x310
[  366.721765]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  366.727208]  ? addrconf_rs_timer+0x690/0x690
[  366.731621]  ndisc_alloc_skb+0x144/0x340
[  366.735680]  ndisc_send_rs+0x331/0x6e0
[  366.739567]  addrconf_rs_timer+0x314/0x690
[  366.743798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.748030]  call_timer_fn+0x272/0x920
[  366.751923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.756162]  ? process_timeout+0x40/0x40
[  366.760223]  ? __run_timers+0x7da/0xc70
[  366.764192]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.768723]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.773211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.777442]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.782019]  ? trace_hardirqs_on+0xbd/0x310
[  366.786338]  ? kasan_check_read+0x11/0x20
[  366.790492]  ? __run_timers+0x7da/0xc70
[  366.794465]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.799563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.803795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.808020]  __run_timers+0x7e5/0xc70
[  366.811825]  ? timer_fixup_init+0x70/0x70
[  366.815966]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.820453]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.824943]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.829530]  ? trace_hardirqs_on+0xbd/0x310
[  366.833845]  ? kasan_check_read+0x11/0x20
[  366.838008]  ? finish_task_switch+0x1f4/0x910
[  366.842509]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.847607]  ? compat_start_thread+0x80/0x80
[  366.852020]  ? pvclock_read_flags+0x160/0x160
[  366.856519]  ? __switch_to_asm+0x34/0x70
[  366.860584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.866112]  ? check_preemption_disabled+0x48/0x280
[  366.871126]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  366.876653]  ? rcu_pm_notify+0xc0/0xc0
[  366.880530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.886069]  ? check_preemption_disabled+0x48/0x280
[  366.891085]  run_timer_softirq+0x52/0xb0
[  366.895137]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.900151]  __do_softirq+0x308/0xb7e
[  366.903953]  ? retint_kernel+0x2d/0x2d
[  366.907832]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.912923]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.918361]  ? retint_kernel+0x2d/0x2d
[  366.922257]  ? schedule+0x108/0x460
[  366.925891]  ? trace_hardirqs_off+0xb8/0x310
[  366.930310]  ? smpboot_thread_fn+0x68b/0xa00
[  366.934710]  ? trace_hardirqs_on+0x310/0x310
[  366.939110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.944638]  ? check_preemption_disabled+0x48/0x280
[  366.949643]  ? takeover_tasklets+0xa90/0xa90
[  366.954044]  run_ksoftirqd+0x5e/0x100
[  366.957839]  smpboot_thread_fn+0x68b/0xa00
[  366.962070]  ? sort_range+0x30/0x30
[  366.965705]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  366.970802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.976344]  ? __kthread_parkme+0xfb/0x1a0
[  366.980607]  ? sort_range+0x30/0x30
[  366.984223]  kthread+0x35a/0x440
[  366.987583]  ? kthread_stop+0x900/0x900
[  366.991562]  ret_from_fork+0x3a/0x50
[  366.995373] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  366.995377] warn_alloc_show_mem: 1 callbacks suppressed
[  366.995383] Mem-Info:
[  367.002747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.008129] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  367.008129]  active_file:17 inactive_file:17 isolated_file:0
[  367.008129]  unevictable:0 dirty:0 writeback:0 unstable:0
[  367.008129]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  367.008129]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  367.008129]  free:13768 free_pcp:279 free_cma:0
[  367.010490] Call Trace:
[  367.019877] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  367.052883]  <IRQ>
[  367.055443] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  367.083116]  dump_stack+0x244/0x39d
[  367.085254] lowmem_reserve[]: 0 2818 6321 6321
[  367.111362]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.114954] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  367.119531]  warn_alloc.cold.116+0xb7/0x1bd
[  367.124778] lowmem_reserve[]: 0 0 3503 3503
[  367.152281]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.156569] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  367.160890]  ? lock_downgrade+0x900/0x900
[  367.165697] lowmem_reserve[]: 0 0 0 0
[  367.194665]  ? trace_hardirqs_off+0xb8/0x310
[  367.198780] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  367.202571]  ? trace_hardirqs_off+0xb8/0x310
[  367.206944] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  367.220468]  __alloc_pages_slowpath+0x2651/0x2de0
[  367.224841] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  367.240113]  ? warn_alloc+0x120/0x120
[  367.244913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.259629]  ? print_usage_bug+0xc0/0xc0
[  367.263407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.272223]  ? warn_alloc+0x120/0x120
[  367.276252] 1758 total pagecache pages
[  367.284813]  ? warn_alloc+0x120/0x120
[  367.288595] 0 pages in swap cache
[  367.292461]  ? print_usage_bug+0xc0/0xc0
[  367.296239] Swap cache stats: add 0, delete 0, find 0/0
[  367.299676]  ? kvm_clock_read+0x18/0x30
[  367.303705] Free swap  = 0kB
[  367.309051]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  367.312988] Total swap = 0kB
[  367.312995] 1965979 pages RAM
[  367.316103]  ? print_usage_bug+0xc0/0xc0
[  367.321086] 0 pages HighMem/MovableOnly
[  367.321093] 342853 pages reserved
[  367.324100]  ? __lock_acquire+0x62f/0x4c20
[  367.327190] 0 pages cma reserved
[  367.331247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.335283] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.338640]  ? should_fail+0x22d/0xd01
[  367.342918] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.346304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.351819] ksoftirqd/0 cpuset=/ mems_allowed=0
[  367.358309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.387461]  ? __lock_acquire+0x62f/0x4c20
[  367.391720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.396813]  ? __lock_acquire+0x62f/0x4c20
[  367.401051]  ? should_fail+0x22d/0xd01
[  367.404930]  ? rcu_irq_exit+0x1a2/0x390
[  367.408909]  ? mark_held_locks+0x130/0x130
[  367.413139]  ? mark_held_locks+0x130/0x130
[  367.417368]  ? mark_held_locks+0xc7/0x130
[  367.421516]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.426524]  ? zap_class+0x640/0x640
[  367.430245]  ? print_usage_bug+0xc0/0xc0
[  367.434299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.439829]  ? check_preemption_disabled+0x48/0x280
[  367.444847]  ? __lock_is_held+0xb5/0x140
[  367.448906]  __alloc_pages_nodemask+0xad8/0xea0
[  367.453568]  ? zap_class+0x640/0x640
[  367.457362]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  367.462378]  ? find_held_lock+0x36/0x1c0
[  367.466445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.471103]  ? lock_downgrade+0x900/0x900
[  367.475247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.480779]  cache_grow_begin+0xa5/0x8c0
[  367.484917]  ? do_raw_spin_unlock+0xa7/0x330
[  367.489336]  fallback_alloc+0x204/0x2e0
[  367.493317]  ____cache_alloc_node+0x1c7/0x1e0
[  367.497826]  kmem_cache_alloc_node+0xe3/0x730
[  367.502320]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.506560]  __alloc_skb+0x119/0x770
[  367.510262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.515534]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.519935]  ? lock_downgrade+0x900/0x900
[  367.524089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.529670]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.535121]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.540576]  ? addrconf_rs_timer+0x690/0x690
[  367.544999]  ndisc_alloc_skb+0x144/0x340
[  367.549061]  ndisc_send_rs+0x331/0x6e0
[  367.552943]  addrconf_rs_timer+0x314/0x690
[  367.557171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.561408]  call_timer_fn+0x272/0x920
[  367.565286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.569525]  ? process_timeout+0x40/0x40
[  367.573581]  ? __run_timers+0x7da/0xc70
[  367.577544]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.582117]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.586602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.590838]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.595420]  ? trace_hardirqs_on+0xbd/0x310
[  367.599734]  ? kasan_check_read+0x11/0x20
[  367.603868]  ? __run_timers+0x7da/0xc70
[  367.607831]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.612923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.617149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.621376]  __run_timers+0x7e5/0xc70
[  367.625196]  ? timer_fixup_init+0x70/0x70
[  367.629348]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.634357]  ? zap_class+0x640/0x640
[  367.638065]  ? enqueue_hrtimer+0x1a5/0x560
[  367.642291]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.647481]  ? find_held_lock+0x36/0x1c0
[  367.651545]  ? zap_class+0x640/0x640
[  367.655274]  ? pvclock_read_flags+0x160/0x160
[  367.659762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.665293]  ? check_preemption_disabled+0x48/0x280
[  367.670312]  ? __lock_is_held+0xb5/0x140
[  367.674365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.679889]  ? check_preemption_disabled+0x48/0x280
[  367.684901]  run_timer_softirq+0x52/0xb0
[  367.688956]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.693977]  __do_softirq+0x308/0xb7e
[  367.697772]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.702259]  ? lock_downgrade+0x900/0x900
[  367.706401]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.711502]  ? pvclock_read_flags+0x160/0x160
[  367.715991]  ? lapic_next_event+0x5a/0x90
[  367.720150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.725681]  ? kvm_clock_read+0x18/0x30
[  367.729642]  ? kvm_sched_clock_read+0x9/0x20
[  367.734130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.739660]  ? check_preemption_disabled+0x48/0x280
[  367.744690]  irq_exit+0x17f/0x1c0
[  367.748613]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.753442]  ? smp_reschedule_interrupt+0x109/0x650
[  367.758451]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.764325]  ? interrupt_entry+0xb5/0xc0
[  367.768374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.773380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.778403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.783247]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.788279]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.793302]  ? task_prio+0x50/0x50
[  367.796834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.802368]  ? check_preemption_disabled+0x48/0x280
[  367.807389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.812226]  apic_timer_interrupt+0xf/0x20
[  367.816462]  </IRQ>
[  367.818696] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  367.823617] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  367.842506] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  367.850205] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  367.857485] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  367.864743] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  367.872001] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  367.879366] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  367.886683]  skb_clone+0x1bb/0x500
[  367.890218]  ? finish_task_switch+0x2f4/0x910
[  367.894706]  ? skb_split+0x11e0/0x11e0
[  367.898587]  ? preempt_notifier_register+0x200/0x200
[  367.903683]  ? __switch_to_asm+0x34/0x70
[  367.907735]  ? __switch_to_asm+0x34/0x70
[  367.911786]  ? __switch_to_asm+0x40/0x70
[  367.915839]  ? __switch_to_asm+0x34/0x70
[  367.919974]  ? __switch_to_asm+0x40/0x70
[  367.924024]  ? __switch_to_asm+0x34/0x70
[  367.928075]  ? __switch_to_asm+0x40/0x70
[  367.932130]  ? __switch_to_asm+0x34/0x70
[  367.936183]  ? __switch_to_asm+0x34/0x70
[  367.940232]  ? __switch_to_asm+0x40/0x70
[  367.944283]  ? __switch_to_asm+0x34/0x70
[  367.948344]  bpf_clone_redirect+0xb9/0x490
[  367.952569]  ? __schedule+0x8d7/0x21d0
[  367.956454]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  367.961467]  ? __sched_text_start+0x8/0x8
[  367.965605]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.970360]  ? find_held_lock+0x36/0x1c0
[  367.974419]  ? lock_acquire+0x1ed/0x520
[  367.978382]  ? bpf_test_run+0x3ee/0x7a0
[  367.982348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.987880]  ? check_preemption_disabled+0x48/0x280
[  367.992892]  ? kasan_check_read+0x11/0x20
[  367.997031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.002299]  ? rcu_softirq_qs+0x20/0x20
[  368.006268]  ? preempt_schedule+0x4d/0x60
[  368.010407]  ? ___preempt_schedule+0x16/0x18
[  368.014836]  ? bpf_test_run+0x271/0x7a0
[  368.018827]  ? netlink_diag_dump+0x2a0/0x2a0
[  368.023253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.028780]  ? bpf_test_init.isra.10+0x70/0x100
[  368.033441]  ? bpf_prog_test_run_skb+0x762/0xd60
[  368.038195]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  368.043029]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.048569]  ? fput+0x130/0x1a0
[  368.051860]  ? __bpf_prog_get+0x9b/0x290
[  368.055938]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  368.060770]  ? bpf_prog_test_run+0x130/0x1a0
[  368.065169]  ? __x64_sys_bpf+0x3d8/0x520
[  368.069241]  ? bpf_prog_get+0x20/0x20
[  368.073053]  ? do_syscall_64+0x1b9/0x820
[  368.077103]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  368.082467]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.087385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.092219]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.097253]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  368.102259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.107786]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.112814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.117652]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  368.123023] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  368.123095] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.129867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.129877] Call Trace:
[  368.136439] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.145688]  dump_stack+0x244/0x39d
[  368.148243] syz-executor5 cpuset=syz5 mems_allowed=0
[  368.158719]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.172668]  warn_alloc.cold.116+0xb7/0x1bd
[  368.176984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.181822]  ? lock_downgrade+0x900/0x900
[  368.185970]  ? trace_hardirqs_off+0xb8/0x310
[  368.190375]  ? trace_hardirqs_off+0xb8/0x310
[  368.194784]  __alloc_pages_slowpath+0x2651/0x2de0
[  368.199639]  ? warn_alloc+0x120/0x120
[  368.203459]  ? print_usage_bug+0xc0/0xc0
[  368.207526]  ? warn_alloc+0x120/0x120
[  368.211322]  ? warn_alloc+0x120/0x120
[  368.215117]  ? print_usage_bug+0xc0/0xc0
[  368.219175]  ? print_usage_bug+0xc0/0xc0
[  368.223228]  ? __lock_acquire+0x62f/0x4c20
[  368.227461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.233001]  ? should_fail+0x22d/0xd01
[  368.236887]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.241995]  ? __lock_acquire+0x62f/0x4c20
[  368.246226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.251327]  ? __lock_acquire+0x62f/0x4c20
[  368.255578]  ? should_fail+0x22d/0xd01
[  368.259473]  ? find_held_lock+0x36/0x1c0
[  368.263538]  ? mark_held_locks+0x130/0x130
[  368.267770]  ? mark_held_locks+0x130/0x130
[  368.271997]  ? zap_class+0x640/0x640
[  368.275705]  ? mark_held_locks+0xc7/0x130
[  368.279858]  ? do_raw_spin_unlock+0xa7/0x330
[  368.284261]  ? zap_class+0x640/0x640
[  368.287970]  ? print_usage_bug+0xc0/0xc0
[  368.292032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.297568]  ? check_preemption_disabled+0x48/0x280
[  368.302586]  ? __lock_is_held+0xb5/0x140
[  368.306657]  __alloc_pages_nodemask+0xad8/0xea0
[  368.311320]  ? zap_class+0x640/0x640
[  368.315036]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  368.320076]  ? find_held_lock+0x36/0x1c0
[  368.324153]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.328831]  ? lock_downgrade+0x900/0x900
[  368.332976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.338518]  cache_grow_begin+0xa5/0x8c0
[  368.342584]  ? do_raw_spin_unlock+0xa7/0x330
[  368.346988]  fallback_alloc+0x204/0x2e0
[  368.350973]  ____cache_alloc_node+0x1c7/0x1e0
[  368.355579]  kmem_cache_alloc_node+0xe3/0x730
[  368.360069]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.364310]  __alloc_skb+0x119/0x770
[  368.368021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.373310]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.377713]  ? lock_downgrade+0x900/0x900
[  368.381864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.387396]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.392844]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.398290]  ? addrconf_rs_timer+0x690/0x690
[  368.402706]  ndisc_alloc_skb+0x144/0x340
[  368.406763]  ndisc_send_rs+0x331/0x6e0
[  368.410651]  addrconf_rs_timer+0x314/0x690
[  368.414893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.419143]  call_timer_fn+0x272/0x920
[  368.423044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.427316]  ? process_timeout+0x40/0x40
[  368.431377]  ? __run_timers+0x7da/0xc70
[  368.435349]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.439838]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.444321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.448545]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.453580]  ? trace_hardirqs_on+0xbd/0x310
[  368.457903]  ? kasan_check_read+0x11/0x20
[  368.462042]  ? __run_timers+0x7da/0xc70
[  368.466009]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.471112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.475347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.479576]  __run_timers+0x7e5/0xc70
[  368.483382]  ? timer_fixup_init+0x70/0x70
[  368.487525]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.492015]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.496507]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.501084]  ? trace_hardirqs_on+0xbd/0x310
[  368.505400]  ? kasan_check_read+0x11/0x20
[  368.509547]  ? finish_task_switch+0x1f4/0x910
[  368.514033]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.519132]  ? compat_start_thread+0x80/0x80
[  368.523548]  ? pvclock_read_flags+0x160/0x160
[  368.528041]  ? __switch_to_asm+0x34/0x70
[  368.532102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.537647]  ? check_preemption_disabled+0x48/0x280
[  368.542661]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  368.548193]  ? rcu_pm_notify+0xc0/0xc0
[  368.552087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.557617]  ? check_preemption_disabled+0x48/0x280
[  368.562630]  run_timer_softirq+0x52/0xb0
[  368.567457]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.572465]  __do_softirq+0x308/0xb7e
[  368.576262]  ? retint_kernel+0x2d/0x2d
[  368.580156]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.585252]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.590712]  ? retint_kernel+0x2d/0x2d
[  368.594590]  ? schedule+0x108/0x460
[  368.598213]  ? trace_hardirqs_off+0xb8/0x310
[  368.602610]  ? smpboot_thread_fn+0x68b/0xa00
[  368.607036]  ? trace_hardirqs_on+0x310/0x310
[  368.611439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.616967]  ? check_preemption_disabled+0x48/0x280
[  368.622076]  ? takeover_tasklets+0xa90/0xa90
[  368.626476]  run_ksoftirqd+0x5e/0x100
[  368.630269]  smpboot_thread_fn+0x68b/0xa00
[  368.634499]  ? sort_range+0x30/0x30
[  368.638118]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.643211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.648738]  ? __kthread_parkme+0xfb/0x1a0
[  368.652986]  ? sort_range+0x30/0x30
[  368.656609]  kthread+0x35a/0x440
[  368.659966]  ? kthread_stop+0x900/0x900
[  368.663933]  ret_from_fork+0x3a/0x50
[  368.667668] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  368.667672] warn_alloc_show_mem: 1 callbacks suppressed
[  368.667677] Mem-Info:
[  368.675019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.675042] Call Trace:
[  368.680415] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  368.680415]  active_file:17 inactive_file:17 isolated_file:0
[  368.680415]  unevictable:0 dirty:0 writeback:0 unstable:0
[  368.680415]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  368.680415]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  368.680415]  free:13768 free_pcp:279 free_cma:0
[  368.682788]  <IRQ>
[  368.692138] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  368.694706]  dump_stack+0x244/0x39d
[  368.727739] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  368.729889]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.757527] lowmem_reserve[]: 0 2818 6321 6321
[  368.761151]  warn_alloc.cold.116+0xb7/0x1bd
[  368.788526] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  368.793702]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.798249] lowmem_reserve[]: 0 0 3503 3503
[  368.802568]  ? lock_downgrade+0x900/0x900
[  368.829946] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  368.834788]  ? trace_hardirqs_off+0xb8/0x310
[  368.839073] lowmem_reserve[]: 0 0 0 0
[  368.843206]  ? trace_hardirqs_off+0xb8/0x310
[  368.872147] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  368.876553]  __alloc_pages_slowpath+0x2651/0x2de0
[  368.880317] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  368.884732]  ? warn_alloc+0x120/0x120
[  368.898202] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  368.903031]  ? print_usage_bug+0xc0/0xc0
[  368.918189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  368.921970]  ? warn_alloc+0x120/0x120
[  368.936687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  368.940726]  ? warn_alloc+0x120/0x120
[  368.949532] 1758 total pagecache pages
[  368.953314]  ? print_usage_bug+0xc0/0xc0
[  368.961872] 0 pages in swap cache
[  368.965662]  ? kvm_clock_read+0x18/0x30
[  368.969521] Swap cache stats: add 0, delete 0, find 0/0
[  368.973565]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  368.976986] Free swap  = 0kB
[  368.980944]  ? print_usage_bug+0xc0/0xc0
[  368.986276] Total swap = 0kB
[  368.991294]  ? __lock_acquire+0x62f/0x4c20
[  368.994281] 1965979 pages RAM
[  368.998328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.001335] 0 pages HighMem/MovableOnly
[  369.005554]  ? should_fail+0x22d/0xd01
[  369.008628] 342853 pages reserved
[  369.014152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.018094] 0 pages cma reserved
[  369.021966]  ? __lock_acquire+0x62f/0x4c20
[  369.025493] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.030495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.030506]  ? __lock_acquire+0x62f/0x4c20
[  369.030519]  ? should_fail+0x22d/0xd01
[  369.033929] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.038138]  ? mark_held_locks+0x130/0x130
[  369.044598] ksoftirqd/0 cpuset=/ mems_allowed=0
[  369.049690]  ? mark_held_locks+0x130/0x130
[  369.081168]  ? zap_class+0x640/0x640
[  369.084874]  ? print_usage_bug+0xc0/0xc0
[  369.088933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.094466]  ? check_preemption_disabled+0x48/0x280
[  369.099480]  ? __lock_is_held+0xb5/0x140
[  369.103535]  __alloc_pages_nodemask+0xad8/0xea0
[  369.108195]  ? zap_class+0x640/0x640
[  369.111901]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  369.116941]  ? find_held_lock+0x36/0x1c0
[  369.121027]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.125700]  ? lock_downgrade+0x900/0x900
[  369.129848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.135386]  cache_grow_begin+0xa5/0x8c0
[  369.139451]  ? do_raw_spin_unlock+0xa7/0x330
[  369.143870]  fallback_alloc+0x204/0x2e0
[  369.147846]  ____cache_alloc_node+0x1c7/0x1e0
[  369.152341]  kmem_cache_alloc_node+0xe3/0x730
[  369.156841]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.161079]  __alloc_skb+0x119/0x770
[  369.164784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.170151]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.174556]  ? lock_downgrade+0x900/0x900
[  369.178701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.184247]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.189692]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.195137]  ? addrconf_rs_timer+0x690/0x690
[  369.199550]  ndisc_alloc_skb+0x144/0x340
[  369.203608]  ndisc_send_rs+0x331/0x6e0
[  369.207499]  addrconf_rs_timer+0x314/0x690
[  369.211730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.215972]  call_timer_fn+0x272/0x920
[  369.219856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.224080]  ? process_timeout+0x40/0x40
[  369.228135]  ? __run_timers+0x7da/0xc70
[  369.232099]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.236583]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.241071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.245298]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.249891]  ? trace_hardirqs_on+0xbd/0x310
[  369.254206]  ? kasan_check_read+0x11/0x20
[  369.258346]  ? __run_timers+0x7da/0xc70
[  369.262311]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.267413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.271631]  __run_timers+0x7e5/0xc70
[  369.275513]  ? timer_fixup_init+0x70/0x70
[  369.279674]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.284684]  ? zap_class+0x640/0x640
[  369.288418]  ? enqueue_hrtimer+0x1a5/0x560
[  369.292653]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.297850]  ? find_held_lock+0x36/0x1c0
[  369.301913]  ? zap_class+0x640/0x640
[  369.305619]  ? pvclock_read_flags+0x160/0x160
[  369.310117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.315671]  ? check_preemption_disabled+0x48/0x280
[  369.320684]  ? __lock_is_held+0xb5/0x140
[  369.324734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.330261]  ? check_preemption_disabled+0x48/0x280
[  369.335275]  run_timer_softirq+0x52/0xb0
[  369.339329]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.344345]  __do_softirq+0x308/0xb7e
[  369.348140]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.352624]  ? lock_downgrade+0x900/0x900
[  369.356766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.361868]  ? pvclock_read_flags+0x160/0x160
[  369.366360]  ? lapic_next_event+0x5a/0x90
[  369.370500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.376036]  ? kvm_clock_read+0x18/0x30
[  369.380003]  ? kvm_sched_clock_read+0x9/0x20
[  369.384405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.389940]  ? check_preemption_disabled+0x48/0x280
[  369.394960]  irq_exit+0x17f/0x1c0
[  369.398406]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.403243]  ? smp_reschedule_interrupt+0x109/0x650
[  369.408252]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.414127]  ? interrupt_entry+0xb5/0xc0
[  369.418180]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.423185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.428282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.433114]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.438118]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.443126]  ? task_prio+0x50/0x50
[  369.446767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.452294]  ? check_preemption_disabled+0x48/0x280
[  369.457307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.462149]  apic_timer_interrupt+0xf/0x20
[  369.466382]  </IRQ>
[  369.468613] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  369.473534] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  369.492424] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  369.500125] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  369.507387] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  369.514647] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  369.521905] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  369.529163] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  369.536454]  skb_clone+0x1bb/0x500
[  369.539986]  ? finish_task_switch+0x2f4/0x910
[  369.544490]  ? skb_split+0x11e0/0x11e0
[  369.548369]  ? preempt_notifier_register+0x200/0x200
[  369.553460]  ? __switch_to_asm+0x34/0x70
[  369.557637]  ? __switch_to_asm+0x34/0x70
[  369.561691]  ? __switch_to_asm+0x40/0x70
[  369.565738]  ? __switch_to_asm+0x34/0x70
[  369.569805]  ? __switch_to_asm+0x40/0x70
[  369.573880]  ? __switch_to_asm+0x34/0x70
[  369.577941]  ? __switch_to_asm+0x40/0x70
[  369.581995]  ? __switch_to_asm+0x34/0x70
[  369.586047]  ? __switch_to_asm+0x34/0x70
[  369.590099]  ? __switch_to_asm+0x40/0x70
[  369.594148]  ? __switch_to_asm+0x34/0x70
[  369.598202]  bpf_clone_redirect+0xb9/0x490
[  369.602438]  ? __schedule+0x8d7/0x21d0
[  369.606336]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  369.611344]  ? __sched_text_start+0x8/0x8
[  369.615493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  369.620255]  ? find_held_lock+0x36/0x1c0
[  369.624319]  ? lock_acquire+0x1ed/0x520
[  369.628289]  ? bpf_test_run+0x3ee/0x7a0
[  369.632270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.637803]  ? check_preemption_disabled+0x48/0x280
[  369.642818]  ? kasan_check_read+0x11/0x20
[  369.646955]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.652221]  ? rcu_softirq_qs+0x20/0x20
[  369.656188]  ? preempt_schedule+0x4d/0x60
[  369.660328]  ? ___preempt_schedule+0x16/0x18
[  369.664735]  ? bpf_test_run+0x271/0x7a0
[  369.668737]  ? netlink_diag_dump+0x2a0/0x2a0
[  369.673139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.678666]  ? bpf_test_init.isra.10+0x70/0x100
[  369.683331]  ? bpf_prog_test_run_skb+0x762/0xd60
[  369.688089]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.692925]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  369.698469]  ? fput+0x130/0x1a0
[  369.701740]  ? __bpf_prog_get+0x9b/0x290
[  369.705804]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.710634]  ? bpf_prog_test_run+0x130/0x1a0
[  369.715034]  ? __x64_sys_bpf+0x3d8/0x520
[  369.719099]  ? bpf_prog_get+0x20/0x20
[  369.722903]  ? do_syscall_64+0x1b9/0x820
[  369.726951]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  369.732313]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.737233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.742072]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.747078]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  369.752084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.757609]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.762622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.767474]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  369.772843] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  369.772914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.779702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.779709] Call Trace:
[  369.786277] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.795562]  dump_stack+0x244/0x39d
[  369.798123] syz-executor5 cpuset=syz5 mems_allowed=0
[  369.808593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.822460]  warn_alloc.cold.116+0xb7/0x1bd
[  369.826799]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.831635]  ? lock_downgrade+0x900/0x900
[  369.835793]  ? trace_hardirqs_off+0xb8/0x310
[  369.840214]  ? trace_hardirqs_off+0xb8/0x310
[  369.844618]  __alloc_pages_slowpath+0x2651/0x2de0
[  369.849491]  ? warn_alloc+0x120/0x120
[  369.853296]  ? print_usage_bug+0xc0/0xc0
[  369.857348]  ? warn_alloc+0x120/0x120
[  369.861158]  ? warn_alloc+0x120/0x120
[  369.864966]  ? print_usage_bug+0xc0/0xc0
[  369.869020]  ? print_usage_bug+0xc0/0xc0
[  369.873070]  ? __lock_acquire+0x62f/0x4c20
[  369.877314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.882846]  ? should_fail+0x22d/0xd01
[  369.886751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.891857]  ? __lock_acquire+0x62f/0x4c20
[  369.896086]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.901184]  ? __lock_acquire+0x62f/0x4c20
[  369.905409]  ? should_fail+0x22d/0xd01
[  369.909285]  ? find_held_lock+0x36/0x1c0
[  369.913341]  ? mark_held_locks+0x130/0x130
[  369.917570]  ? mark_held_locks+0x130/0x130
[  369.921798]  ? zap_class+0x640/0x640
[  369.925503]  ? zap_class+0x640/0x640
[  369.929242]  ? print_usage_bug+0xc0/0xc0
[  369.933296]  ? do_raw_spin_unlock+0xa7/0x330
[  369.937692]  ? zap_class+0x640/0x640
[  369.941395]  ? print_usage_bug+0xc0/0xc0
[  369.945447]  ? wq_watchdog_touch+0x9c/0xfe
[  369.949675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.955203]  ? check_preemption_disabled+0x48/0x280
[  369.960224]  ? __lock_is_held+0xb5/0x140
[  369.964284]  __alloc_pages_nodemask+0xad8/0xea0
[  369.968957]  ? zap_class+0x640/0x640
[  369.972687]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  369.977707]  ? find_held_lock+0x36/0x1c0
[  369.981789]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.986450]  ? lock_downgrade+0x900/0x900
[  369.990599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.996131]  cache_grow_begin+0xa5/0x8c0
[  370.000178]  ? do_raw_spin_unlock+0xa7/0x330
[  370.004581]  fallback_alloc+0x204/0x2e0
[  370.008546]  ____cache_alloc_node+0x1c7/0x1e0
[  370.013042]  kmem_cache_alloc_node+0xe3/0x730
[  370.017527]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.021786]  __alloc_skb+0x119/0x770
[  370.025491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.030781]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.035196]  ? lock_downgrade+0x900/0x900
[  370.039346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.044895]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.050345]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.055795]  ? addrconf_rs_timer+0x690/0x690
[  370.060205]  ndisc_alloc_skb+0x144/0x340
[  370.064264]  ndisc_send_rs+0x331/0x6e0
[  370.068238]  addrconf_rs_timer+0x314/0x690
[  370.072471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.076713]  call_timer_fn+0x272/0x920
[  370.080589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.084815]  ? process_timeout+0x40/0x40
[  370.088994]  ? __run_timers+0x7da/0xc70
[  370.092964]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.097449]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.101951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.106174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.110755]  ? trace_hardirqs_on+0xbd/0x310
[  370.115068]  ? kasan_check_read+0x11/0x20
[  370.119203]  ? __run_timers+0x7da/0xc70
[  370.123163]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.128256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.132484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.136725]  __run_timers+0x7e5/0xc70
[  370.140535]  ? timer_fixup_init+0x70/0x70
[  370.144673]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.149157]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.153643]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.158221]  ? trace_hardirqs_on+0xbd/0x310
[  370.162533]  ? kasan_check_read+0x11/0x20
[  370.166675]  ? finish_task_switch+0x1f4/0x910
[  370.171159]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.176269]  ? compat_start_thread+0x80/0x80
[  370.180690]  ? pvclock_read_flags+0x160/0x160
[  370.185301]  ? __switch_to_asm+0x34/0x70
[  370.189362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.194904]  ? check_preemption_disabled+0x48/0x280
[  370.199916]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  370.205447]  ? rcu_pm_notify+0xc0/0xc0
[  370.209326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.214852]  ? check_preemption_disabled+0x48/0x280
[  370.219866]  run_timer_softirq+0x52/0xb0
[  370.223918]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.228926]  __do_softirq+0x308/0xb7e
[  370.232725]  ? retint_kernel+0x2d/0x2d
[  370.236612]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.241710]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  370.247152]  ? retint_kernel+0x2d/0x2d
[  370.251032]  ? schedule+0x108/0x460
[  370.254656]  ? trace_hardirqs_off+0xb8/0x310
[  370.259054]  ? smpboot_thread_fn+0x68b/0xa00
[  370.263454]  ? trace_hardirqs_on+0x310/0x310
[  370.267875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.273408]  ? check_preemption_disabled+0x48/0x280
[  370.278417]  ? takeover_tasklets+0xa90/0xa90
[  370.282830]  run_ksoftirqd+0x5e/0x100
[  370.286623]  smpboot_thread_fn+0x68b/0xa00
[  370.290852]  ? sort_range+0x30/0x30
[  370.294472]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  370.299584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.305113]  ? __kthread_parkme+0xfb/0x1a0
[  370.309342]  ? sort_range+0x30/0x30
[  370.312959]  kthread+0x35a/0x440
[  370.316328]  ? kthread_stop+0x900/0x900
[  370.320294]  ret_from_fork+0x3a/0x50
[  370.324016] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  370.324020] warn_alloc_show_mem: 1 callbacks suppressed
[  370.324025] Mem-Info:
[  370.331388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.336766] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  370.336766]  active_file:17 inactive_file:17 isolated_file:0
[  370.336766]  unevictable:0 dirty:0 writeback:0 unstable:0
[  370.336766]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  370.336766]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  370.336766]  free:13768 free_pcp:279 free_cma:0
[  370.339129] Call Trace:
[  370.348494] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  370.381623]  <IRQ>
[  370.384183] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  370.411836]  dump_stack+0x244/0x39d
[  370.413951] lowmem_reserve[]: 0 2818 6321 6321
[  370.440143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.443756] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  370.448332]  warn_alloc.cold.116+0xb7/0x1bd
[  370.453996] lowmem_reserve[]: 0 0 3503 3503
[  370.481405]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.485693] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  370.490011]  ? lock_downgrade+0x900/0x900
[  370.494817] lowmem_reserve[]: 0 0 0 0
[  370.523979]  ? trace_hardirqs_off+0xb8/0x310
[  370.528106] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  370.531896]  ? trace_hardirqs_off+0xb8/0x310
[  370.536289] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  370.549816]  __alloc_pages_slowpath+0x2651/0x2de0
[  370.554189] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  370.569362]  ? warn_alloc+0x120/0x120
[  370.574161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  370.588909]  ? print_usage_bug+0xc0/0xc0
[  370.592697] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  370.601637]  ? warn_alloc+0x120/0x120
[  370.605669] 1758 total pagecache pages
[  370.614250]  ? warn_alloc+0x120/0x120
[  370.618030] 0 pages in swap cache
[  370.622366]  ? print_usage_bug+0xc0/0xc0
[  370.626148] Swap cache stats: add 0, delete 0, find 0/0
[  370.629585]  ? kvm_clock_read+0x18/0x30
[  370.633616] Free swap  = 0kB
[  370.638966]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  370.642907] Total swap = 0kB
[  370.645913]  ? print_usage_bug+0xc0/0xc0
[  370.650915] 1965979 pages RAM
[  370.653916]  ? __lock_acquire+0x62f/0x4c20
[  370.657956] 0 pages HighMem/MovableOnly
[  370.657962] 342853 pages reserved
[  370.661061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.665262] 0 pages cma reserved
[  370.669254]  ? should_fail+0x22d/0xd01
[  370.672769] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.678187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.678202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.681618] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.685416]  ? __lock_acquire+0x62f/0x4c20
[  370.691899] ksoftirqd/0 cpuset=/ mems_allowed=0
[  370.697178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.726542]  ? __lock_acquire+0x62f/0x4c20
[  370.730768]  ? should_fail+0x22d/0xd01
[  370.734644]  ? rcu_irq_exit+0x1a2/0x390
[  370.738620]  ? mark_held_locks+0x130/0x130
[  370.742852]  ? mark_held_locks+0x130/0x130
[  370.747082]  ? mark_held_locks+0xc7/0x130
[  370.751226]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  370.756237]  ? zap_class+0x640/0x640
[  370.759963]  ? print_usage_bug+0xc0/0xc0
[  370.764015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.769554]  ? check_preemption_disabled+0x48/0x280
[  370.774564]  ? __lock_is_held+0xb5/0x140
[  370.778625]  __alloc_pages_nodemask+0xad8/0xea0
[  370.783285]  ? zap_class+0x640/0x640
[  370.786995]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  370.792016]  ? find_held_lock+0x36/0x1c0
[  370.796077]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.800739]  ? lock_downgrade+0x900/0x900
[  370.804886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.810418]  cache_grow_begin+0xa5/0x8c0
[  370.814488]  ? do_raw_spin_unlock+0xa7/0x330
[  370.818891]  fallback_alloc+0x204/0x2e0
[  370.822855]  ____cache_alloc_node+0x1c7/0x1e0
[  370.827374]  kmem_cache_alloc_node+0xe3/0x730
[  370.831860]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.836092]  __alloc_skb+0x119/0x770
[  370.839798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.845086]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.849484]  ? lock_downgrade+0x900/0x900
[  370.853625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.859159]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.864600]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.870039]  ? addrconf_rs_timer+0x690/0x690
[  370.874445]  ndisc_alloc_skb+0x144/0x340
[  370.878513]  ndisc_send_rs+0x331/0x6e0
[  370.882410]  addrconf_rs_timer+0x314/0x690
[  370.886638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.890870]  call_timer_fn+0x272/0x920
[  370.894745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.898975]  ? process_timeout+0x40/0x40
[  370.903048]  ? __run_timers+0x7da/0xc70
[  370.907016]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.911497]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.915983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.920216]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.924808]  ? trace_hardirqs_on+0xbd/0x310
[  370.929124]  ? kasan_check_read+0x11/0x20
[  370.933267]  ? __run_timers+0x7da/0xc70
[  370.937235]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.942329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.946559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.950788]  __run_timers+0x7e5/0xc70
[  370.954590]  ? timer_fixup_init+0x70/0x70
[  370.958729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.963740]  ? zap_class+0x640/0x640
[  370.967445]  ? enqueue_hrtimer+0x1a5/0x560
[  370.971683]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.976883]  ? find_held_lock+0x36/0x1c0
[  370.980949]  ? zap_class+0x640/0x640
[  370.984655]  ? pvclock_read_flags+0x160/0x160
[  370.989176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.994709]  ? check_preemption_disabled+0x48/0x280
[  370.999739]  ? __lock_is_held+0xb5/0x140
[  371.003792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.009316]  ? check_preemption_disabled+0x48/0x280
[  371.014323]  run_timer_softirq+0x52/0xb0
[  371.018377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.023389]  __do_softirq+0x308/0xb7e
[  371.027188]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.031694]  ? lock_downgrade+0x900/0x900
[  371.035835]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.040933]  ? pvclock_read_flags+0x160/0x160
[  371.045423]  ? lapic_next_event+0x5a/0x90
[  371.049561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.055109]  ? kvm_clock_read+0x18/0x30
[  371.059072]  ? kvm_sched_clock_read+0x9/0x20
[  371.063468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.068995]  ? check_preemption_disabled+0x48/0x280
[  371.074006]  irq_exit+0x17f/0x1c0
[  371.077445]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.082273]  ? smp_reschedule_interrupt+0x109/0x650
[  371.087278]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.093149]  ? interrupt_entry+0xb5/0xc0
[  371.097205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.102210]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.107229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.112060]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.117066]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.122089]  ? task_prio+0x50/0x50
[  371.125619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.131181]  ? check_preemption_disabled+0x48/0x280
[  371.136194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.141031]  apic_timer_interrupt+0xf/0x20
[  371.145248]  </IRQ>
[  371.147477] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  371.152399] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  371.171290] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  371.178983] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  371.186241] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  371.193499] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  371.200753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  371.208020] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  371.215311]  skb_clone+0x1bb/0x500
[  371.218853]  ? finish_task_switch+0x2f4/0x910
[  371.223336]  ? skb_split+0x11e0/0x11e0
[  371.227217]  ? preempt_notifier_register+0x200/0x200
[  371.232308]  ? __switch_to_asm+0x34/0x70
[  371.236370]  ? __switch_to_asm+0x34/0x70
[  371.240415]  ? __switch_to_asm+0x40/0x70
[  371.244463]  ? __switch_to_asm+0x34/0x70
[  371.248511]  ? __switch_to_asm+0x40/0x70
[  371.252662]  ? __switch_to_asm+0x34/0x70
[  371.256716]  ? __switch_to_asm+0x40/0x70
[  371.260786]  ? __switch_to_asm+0x34/0x70
[  371.264842]  ? __switch_to_asm+0x34/0x70
[  371.268891]  ? __switch_to_asm+0x40/0x70
[  371.272938]  ? __switch_to_asm+0x34/0x70
[  371.276994]  bpf_clone_redirect+0xb9/0x490
[  371.281219]  ? __schedule+0x8d7/0x21d0
[  371.285102]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  371.290109]  ? __sched_text_start+0x8/0x8
[  371.294249]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  371.299016]  ? find_held_lock+0x36/0x1c0
[  371.303073]  ? lock_acquire+0x1ed/0x520
[  371.307036]  ? bpf_test_run+0x3ee/0x7a0
[  371.310999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.316528]  ? check_preemption_disabled+0x48/0x280
[  371.321537]  ? kasan_check_read+0x11/0x20
[  371.325689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.330984]  ? rcu_softirq_qs+0x20/0x20
[  371.334962]  ? preempt_schedule+0x4d/0x60
[  371.339115]  ? ___preempt_schedule+0x16/0x18
[  371.343519]  ? bpf_test_run+0x271/0x7a0
[  371.347496]  ? netlink_diag_dump+0x2a0/0x2a0
[  371.351910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.357538]  ? bpf_test_init.isra.10+0x70/0x100
[  371.362214]  ? bpf_prog_test_run_skb+0x762/0xd60
[  371.366968]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  371.371808]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  371.377340]  ? fput+0x130/0x1a0
[  371.380622]  ? __bpf_prog_get+0x9b/0x290
[  371.384683]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  371.389515]  ? bpf_prog_test_run+0x130/0x1a0
[  371.393917]  ? __x64_sys_bpf+0x3d8/0x520
[  371.397966]  ? bpf_prog_get+0x20/0x20
[  371.401773]  ? do_syscall_64+0x1b9/0x820
[  371.405922]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  371.411280]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.416200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.421036]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.426056]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  371.431065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.436591]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.441603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.446448]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  371.451817] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  371.451913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.458654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.458660] Call Trace:
[  371.465216] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.474470]  dump_stack+0x244/0x39d
[  371.477035] syz-executor5 cpuset=syz5 mems_allowed=0
[  371.487514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.501398]  warn_alloc.cold.116+0xb7/0x1bd
[  371.505714]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.510568]  ? lock_downgrade+0x900/0x900
[  371.514814]  ? trace_hardirqs_off+0xb8/0x310
[  371.519220]  ? trace_hardirqs_off+0xb8/0x310
[  371.523629]  __alloc_pages_slowpath+0x2651/0x2de0
[  371.528487]  ? warn_alloc+0x120/0x120
[  371.532277]  ? print_usage_bug+0xc0/0xc0
[  371.536334]  ? warn_alloc+0x120/0x120
[  371.540179]  ? warn_alloc+0x120/0x120
[  371.543989]  ? print_usage_bug+0xc0/0xc0
[  371.548045]  ? print_usage_bug+0xc0/0xc0
[  371.552109]  ? __lock_acquire+0x62f/0x4c20
[  371.556357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.561890]  ? should_fail+0x22d/0xd01
[  371.565768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.570859]  ? __lock_acquire+0x62f/0x4c20
[  371.575108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.580214]  ? __lock_acquire+0x62f/0x4c20
[  371.584540]  ? should_fail+0x22d/0xd01
[  371.588420]  ? find_held_lock+0x36/0x1c0
[  371.592482]  ? mark_held_locks+0x130/0x130
[  371.596716]  ? mark_held_locks+0x130/0x130
[  371.600940]  ? zap_class+0x640/0x640
[  371.604654]  ? mark_held_locks+0xc7/0x130
[  371.608796]  ? do_raw_spin_unlock+0xa7/0x330
[  371.613201]  ? zap_class+0x640/0x640
[  371.616905]  ? print_usage_bug+0xc0/0xc0
[  371.620964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.626495]  ? check_preemption_disabled+0x48/0x280
[  371.631507]  ? __lock_is_held+0xb5/0x140
[  371.635558]  __alloc_pages_nodemask+0xad8/0xea0
[  371.640212]  ? zap_class+0x640/0x640
[  371.643936]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  371.648956]  ? find_held_lock+0x36/0x1c0
[  371.653017]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.657705]  ? lock_downgrade+0x900/0x900
[  371.661863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.667390]  cache_grow_begin+0xa5/0x8c0
[  371.671437]  ? do_raw_spin_unlock+0xa7/0x330
[  371.675841]  fallback_alloc+0x204/0x2e0
[  371.679809]  ____cache_alloc_node+0x1c7/0x1e0
[  371.684299]  kmem_cache_alloc_node+0xe3/0x730
[  371.688788]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.693024]  __alloc_skb+0x119/0x770
[  371.696732]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.702016]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.706431]  ? lock_downgrade+0x900/0x900
[  371.710572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.716097]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.721539]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.726981]  ? addrconf_rs_timer+0x690/0x690
[  371.731400]  ndisc_alloc_skb+0x144/0x340
[  371.735453]  ndisc_send_rs+0x331/0x6e0
[  371.739337]  addrconf_rs_timer+0x314/0x690
[  371.743566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.747802]  call_timer_fn+0x272/0x920
[  371.751701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.755930]  ? process_timeout+0x40/0x40
[  371.759991]  ? __run_timers+0x7da/0xc70
[  371.763955]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.768442]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.772926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.777166]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.781742]  ? trace_hardirqs_on+0xbd/0x310
[  371.786069]  ? kasan_check_read+0x11/0x20
[  371.790203]  ? __run_timers+0x7da/0xc70
[  371.794169]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.799268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.803502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.807742]  __run_timers+0x7e5/0xc70
[  371.811540]  ? timer_fixup_init+0x70/0x70
[  371.815696]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.820181]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.824687]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.829261]  ? trace_hardirqs_on+0xbd/0x310
[  371.833575]  ? kasan_check_read+0x11/0x20
[  371.837725]  ? finish_task_switch+0x1f4/0x910
[  371.842388]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.847499]  ? compat_start_thread+0x80/0x80
[  371.851921]  ? pvclock_read_flags+0x160/0x160
[  371.856428]  ? __switch_to_asm+0x34/0x70
[  371.860583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.866123]  ? check_preemption_disabled+0x48/0x280
[  371.871139]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  371.876684]  ? rcu_pm_notify+0xc0/0xc0
[  371.880582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.886120]  ? check_preemption_disabled+0x48/0x280
[  371.891133]  run_timer_softirq+0x52/0xb0
[  371.895183]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.900190]  __do_softirq+0x308/0xb7e
[  371.903983]  ? retint_kernel+0x2d/0x2d
[  371.907868]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.912961]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.918413]  ? retint_kernel+0x2d/0x2d
[  371.922305]  ? schedule+0x108/0x460
[  371.925937]  ? trace_hardirqs_off+0xb8/0x310
[  371.930349]  ? smpboot_thread_fn+0x68b/0xa00
[  371.934752]  ? trace_hardirqs_on+0x310/0x310
[  371.939155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.944690]  ? check_preemption_disabled+0x48/0x280
[  371.949699]  ? takeover_tasklets+0xa90/0xa90
[  371.954113]  run_ksoftirqd+0x5e/0x100
[  371.957907]  smpboot_thread_fn+0x68b/0xa00
[  371.962134]  ? sort_range+0x30/0x30
[  371.965780]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.970877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.976404]  ? __kthread_parkme+0xfb/0x1a0
[  371.980633]  ? sort_range+0x30/0x30
[  371.984256]  kthread+0x35a/0x440
[  371.987623]  ? kthread_stop+0x900/0x900
[  371.991613]  ret_from_fork+0x3a/0x50
[  371.995329] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  371.995332] warn_alloc_show_mem: 1 callbacks suppressed
[  371.995337] Mem-Info:
[  372.002679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.002685] Call Trace:
[  372.008044] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  372.008044]  active_file:17 inactive_file:17 isolated_file:0
[  372.008044]  unevictable:0 dirty:0 writeback:0 unstable:0
[  372.008044]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  372.008044]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  372.008044]  free:13768 free_pcp:279 free_cma:0
[  372.010411]  <IRQ>
[  372.019763] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  372.022327]  dump_stack+0x244/0x39d
[  372.055343] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  372.057497]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.085238] lowmem_reserve[]: 0 2818 6321 6321
[  372.088861]  warn_alloc.cold.116+0xb7/0x1bd
[  372.114932] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  372.120131]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.124677] lowmem_reserve[]: 0 0 3503 3503
[  372.128984]  ? lock_downgrade+0x900/0x900
[  372.156486] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  372.161337]  ? trace_hardirqs_off+0xb8/0x310
[  372.165638] lowmem_reserve[]: 0 0 0 0
[  372.169775]  ? trace_hardirqs_off+0xb8/0x310
[  372.198728] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  372.203131]  __alloc_pages_slowpath+0x2651/0x2de0
[  372.206898] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  372.211313]  ? warn_alloc+0x120/0x120
[  372.224787] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  372.229705]  ? print_usage_bug+0xc0/0xc0
[  372.244848] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.248629]  ? warn_alloc+0x120/0x120
[  372.263358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.267395]  ? warn_alloc+0x120/0x120
[  372.276197] 1758 total pagecache pages
[  372.279978]  ? print_usage_bug+0xc0/0xc0
[  372.288525] 0 pages in swap cache
[  372.292303]  ? kvm_clock_read+0x18/0x30
[  372.296160] Swap cache stats: add 0, delete 0, find 0/0
[  372.300200]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.303621] Free swap  = 0kB
[  372.307576]  ? print_usage_bug+0xc0/0xc0
[  372.307590]  ? __lock_acquire+0x62f/0x4c20
[  372.312920] Total swap = 0kB
[  372.317917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.320903] 1965979 pages RAM
[  372.324967]  ? should_fail+0x22d/0xd01
[  372.329167] 0 pages HighMem/MovableOnly
[  372.332169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.337686] 342853 pages reserved
[  372.337692] 0 pages cma reserved
[  372.340788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.344723] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.348692]  ? __lock_acquire+0x62f/0x4c20
[  372.354031] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.357378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.360748] ksoftirqd/0 cpuset=/ mems_allowed=0
[  372.365832]  ? __lock_acquire+0x62f/0x4c20
[  372.365864]  ? should_fail+0x22d/0xd01
[  372.404673]  ? rcu_irq_exit+0x1a2/0x390
[  372.408651]  ? mark_held_locks+0x130/0x130
[  372.412887]  ? mark_held_locks+0x130/0x130
[  372.417116]  ? mark_held_locks+0xc7/0x130
[  372.421255]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  372.426259]  ? zap_class+0x640/0x640
[  372.429964]  ? print_usage_bug+0xc0/0xc0
[  372.434018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.439555]  ? check_preemption_disabled+0x48/0x280
[  372.444570]  ? __lock_is_held+0xb5/0x140
[  372.448633]  __alloc_pages_nodemask+0xad8/0xea0
[  372.453764]  ? zap_class+0x640/0x640
[  372.457493]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  372.462514]  ? find_held_lock+0x36/0x1c0
[  372.466583]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.471257]  ? lock_downgrade+0x900/0x900
[  372.475406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.480939]  cache_grow_begin+0xa5/0x8c0
[  372.484993]  ? do_raw_spin_unlock+0xa7/0x330
[  372.489418]  fallback_alloc+0x204/0x2e0
[  372.493388]  ____cache_alloc_node+0x1c7/0x1e0
[  372.497879]  kmem_cache_alloc_node+0xe3/0x730
[  372.502374]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.506611]  __alloc_skb+0x119/0x770
[  372.510320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.515593]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.519995]  ? lock_downgrade+0x900/0x900
[  372.524141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.529667]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.535133]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.540591]  ? addrconf_rs_timer+0x690/0x690
[  372.545003]  ndisc_alloc_skb+0x144/0x340
[  372.549072]  ndisc_send_rs+0x331/0x6e0
[  372.552956]  addrconf_rs_timer+0x314/0x690
[  372.557195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.561457]  call_timer_fn+0x272/0x920
[  372.565332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.569557]  ? process_timeout+0x40/0x40
[  372.573613]  ? __run_timers+0x7da/0xc70
[  372.577581]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.582068]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.586575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.590808]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.595381]  ? trace_hardirqs_on+0xbd/0x310
[  372.599692]  ? kasan_check_read+0x11/0x20
[  372.603827]  ? __run_timers+0x7da/0xc70
[  372.607792]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.612894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.617123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.621839]  __run_timers+0x7e5/0xc70
[  372.625724]  ? timer_fixup_init+0x70/0x70
[  372.629879]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.634887]  ? zap_class+0x640/0x640
[  372.638603]  ? enqueue_hrtimer+0x1a5/0x560
[  372.642836]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.648023]  ? find_held_lock+0x36/0x1c0
[  372.652090]  ? zap_class+0x640/0x640
[  372.655806]  ? pvclock_read_flags+0x160/0x160
[  372.660297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.665827]  ? check_preemption_disabled+0x48/0x280
[  372.670854]  ? __lock_is_held+0xb5/0x140
[  372.674909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.680440]  ? check_preemption_disabled+0x48/0x280
[  372.685450]  run_timer_softirq+0x52/0xb0
[  372.689621]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.694636]  __do_softirq+0x308/0xb7e
[  372.698427]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.702909]  ? lock_downgrade+0x900/0x900
[  372.707048]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.712172]  ? pvclock_read_flags+0x160/0x160
[  372.716665]  ? lapic_next_event+0x5a/0x90
[  372.720806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.726333]  ? kvm_clock_read+0x18/0x30
[  372.730294]  ? kvm_sched_clock_read+0x9/0x20
[  372.734695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.740228]  ? check_preemption_disabled+0x48/0x280
[  372.745244]  irq_exit+0x17f/0x1c0
[  372.748704]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.753538]  ? smp_reschedule_interrupt+0x109/0x650
[  372.758546]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.764424]  ? interrupt_entry+0xb5/0xc0
[  372.768480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.773496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.778600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.783439]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.788450]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.793459]  ? task_prio+0x50/0x50
[  372.796988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.802523]  ? check_preemption_disabled+0x48/0x280
[  372.807552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.812389]  apic_timer_interrupt+0xf/0x20
[  372.816607]  </IRQ>
[  372.818839] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  372.823760] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  372.842650] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.850348] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.857621] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  372.864881] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  372.872144] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  372.879407] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  372.886699]  skb_clone+0x1bb/0x500
[  372.890234]  ? finish_task_switch+0x2f4/0x910
[  372.894720]  ? skb_split+0x11e0/0x11e0
[  372.898632]  ? preempt_notifier_register+0x200/0x200
[  372.903721]  ? __switch_to_asm+0x34/0x70
[  372.907771]  ? __switch_to_asm+0x34/0x70
[  372.911820]  ? __switch_to_asm+0x40/0x70
[  372.915869]  ? __switch_to_asm+0x34/0x70
[  372.920022]  ? __switch_to_asm+0x40/0x70
[  372.924070]  ? __switch_to_asm+0x34/0x70
[  372.928116]  ? __switch_to_asm+0x40/0x70
[  372.932166]  ? __switch_to_asm+0x34/0x70
[  372.936229]  ? __switch_to_asm+0x34/0x70
[  372.940280]  ? __switch_to_asm+0x40/0x70
[  372.944329]  ? __switch_to_asm+0x34/0x70
[  372.948393]  bpf_clone_redirect+0xb9/0x490
[  372.952739]  ? __schedule+0x8d7/0x21d0
[  372.956633]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  372.961657]  ? __sched_text_start+0x8/0x8
[  372.965792]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.970655]  ? find_held_lock+0x36/0x1c0
[  372.974718]  ? lock_acquire+0x1ed/0x520
[  372.978687]  ? bpf_test_run+0x3ee/0x7a0
[  372.982672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.988200]  ? check_preemption_disabled+0x48/0x280
[  372.993213]  ? kasan_check_read+0x11/0x20
[  372.997354]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.002623]  ? rcu_softirq_qs+0x20/0x20
[  373.006624]  ? preempt_schedule+0x4d/0x60
[  373.010766]  ? ___preempt_schedule+0x16/0x18
[  373.015170]  ? bpf_test_run+0x271/0x7a0
[  373.019142]  ? netlink_diag_dump+0x2a0/0x2a0
[  373.023552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.029075]  ? bpf_test_init.isra.10+0x70/0x100
[  373.033751]  ? bpf_prog_test_run_skb+0x762/0xd60
[  373.038511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  373.043363]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.048909]  ? fput+0x130/0x1a0
[  373.052193]  ? __bpf_prog_get+0x9b/0x290
[  373.056248]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  373.061199]  ? bpf_prog_test_run+0x130/0x1a0
[  373.065598]  ? __x64_sys_bpf+0x3d8/0x520
[  373.069648]  ? bpf_prog_get+0x20/0x20
[  373.073453]  ? do_syscall_64+0x1b9/0x820
[  373.077514]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  373.082867]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.087784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.092617]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.097627]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  373.102638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.108168]  ? prepare_exit_to_usermode+0x291/0x3b0
[  373.113177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.118017]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  373.123387] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  373.123459] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.130221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.136933] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.146017] Call Trace:
[  373.156499] syz-executor5 cpuset=syz5 mems_allowed=0
[  373.159070]  dump_stack+0x244/0x39d
[  373.167762]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.172959]  warn_alloc.cold.116+0xb7/0x1bd
[  373.177277]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.182118]  ? lock_downgrade+0x900/0x900
[  373.186266]  ? trace_hardirqs_off+0xb8/0x310
[  373.190676]  ? trace_hardirqs_off+0xb8/0x310
[  373.195084]  __alloc_pages_slowpath+0x2651/0x2de0
[  373.199952]  ? warn_alloc+0x120/0x120
[  373.203748]  ? print_usage_bug+0xc0/0xc0
[  373.207803]  ? warn_alloc+0x120/0x120
[  373.211601]  ? warn_alloc+0x120/0x120
[  373.215393]  ? print_usage_bug+0xc0/0xc0
[  373.219450]  ? print_usage_bug+0xc0/0xc0
[  373.223517]  ? __lock_acquire+0x62f/0x4c20
[  373.227750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.233278]  ? should_fail+0x22d/0xd01
[  373.237162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.242261]  ? __lock_acquire+0x62f/0x4c20
[  373.246517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.251607]  ? __lock_acquire+0x62f/0x4c20
[  373.255829]  ? should_fail+0x22d/0xd01
[  373.259706]  ? find_held_lock+0x36/0x1c0
[  373.263789]  ? mark_held_locks+0x130/0x130
[  373.268015]  ? mark_held_locks+0x130/0x130
[  373.272236]  ? zap_class+0x640/0x640
[  373.276057]  ? mark_held_locks+0xc7/0x130
[  373.280195]  ? do_raw_spin_unlock+0xa7/0x330
[  373.284600]  ? zap_class+0x640/0x640
[  373.288310]  ? print_usage_bug+0xc0/0xc0
[  373.292370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.297904]  ? check_preemption_disabled+0x48/0x280
[  373.302924]  ? __lock_is_held+0xb5/0x140
[  373.306982]  __alloc_pages_nodemask+0xad8/0xea0
[  373.311645]  ? zap_class+0x640/0x640
[  373.315355]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  373.320375]  ? find_held_lock+0x36/0x1c0
[  373.324435]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.329116]  ? lock_downgrade+0x900/0x900
[  373.333277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.338920]  cache_grow_begin+0xa5/0x8c0
[  373.342990]  ? do_raw_spin_unlock+0xa7/0x330
[  373.347394]  fallback_alloc+0x204/0x2e0
[  373.351363]  ____cache_alloc_node+0x1c7/0x1e0
[  373.355855]  kmem_cache_alloc_node+0xe3/0x730
[  373.360339]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.364575]  __alloc_skb+0x119/0x770
[  373.368285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.373561]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.377964]  ? lock_downgrade+0x900/0x900
[  373.382121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.387651]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.393120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.398561]  ? addrconf_rs_timer+0x690/0x690
[  373.402978]  ndisc_alloc_skb+0x144/0x340
[  373.407041]  ndisc_send_rs+0x331/0x6e0
[  373.410930]  addrconf_rs_timer+0x314/0x690
[  373.415161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.419402]  call_timer_fn+0x272/0x920
[  373.423276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.427503]  ? process_timeout+0x40/0x40
[  373.431558]  ? __run_timers+0x7da/0xc70
[  373.435524]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.440024]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.444529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.448757]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.453799]  ? trace_hardirqs_on+0xbd/0x310
[  373.458123]  ? kasan_check_read+0x11/0x20
[  373.462259]  ? __run_timers+0x7da/0xc70
[  373.466222]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.471316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.475551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.479775]  __run_timers+0x7e5/0xc70
[  373.483576]  ? timer_fixup_init+0x70/0x70
[  373.487728]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.492216]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.496716]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.501294]  ? trace_hardirqs_on+0xbd/0x310
[  373.505611]  ? kasan_check_read+0x11/0x20
[  373.509763]  ? finish_task_switch+0x1f4/0x910
[  373.514352]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.519464]  ? compat_start_thread+0x80/0x80
[  373.523881]  ? pvclock_read_flags+0x160/0x160
[  373.528367]  ? __switch_to_asm+0x34/0x70
[  373.532434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.537974]  ? check_preemption_disabled+0x48/0x280
[  373.542993]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  373.548533]  ? rcu_pm_notify+0xc0/0xc0
[  373.552412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.557941]  ? check_preemption_disabled+0x48/0x280
[  373.562950]  run_timer_softirq+0x52/0xb0
[  373.567001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.572009]  __do_softirq+0x308/0xb7e
[  373.575823]  ? retint_kernel+0x2d/0x2d
[  373.579702]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.584795]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.590233]  ? retint_kernel+0x2d/0x2d
[  373.594116]  ? schedule+0x108/0x460
[  373.597744]  ? trace_hardirqs_off+0xb8/0x310
[  373.602148]  ? smpboot_thread_fn+0x68b/0xa00
[  373.606551]  ? trace_hardirqs_on+0x310/0x310
[  373.610953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.616484]  ? check_preemption_disabled+0x48/0x280
[  373.621497]  ? takeover_tasklets+0xa90/0xa90
[  373.625996]  run_ksoftirqd+0x5e/0x100
[  373.629784]  smpboot_thread_fn+0x68b/0xa00
[  373.634010]  ? sort_range+0x30/0x30
[  373.637626]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.642733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.648261]  ? __kthread_parkme+0xfb/0x1a0
[  373.652503]  ? sort_range+0x30/0x30
[  373.656118]  kthread+0x35a/0x440
[  373.659499]  ? kthread_stop+0x900/0x900
[  373.663467]  ret_from_fork+0x3a/0x50
[  373.667196] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  373.667200] warn_alloc_show_mem: 1 callbacks suppressed
[  373.667205] Mem-Info:
[  373.674564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.679994] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  373.679994]  active_file:17 inactive_file:17 isolated_file:0
[  373.679994]  unevictable:0 dirty:0 writeback:0 unstable:0
[  373.679994]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  373.679994]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  373.679994]  free:13768 free_pcp:279 free_cma:0
[  373.682470] Call Trace:
[  373.691848] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  373.724944]  <IRQ>
[  373.727502] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  373.755158]  dump_stack+0x244/0x39d
[  373.757274] lowmem_reserve[]: 0 2818 6321 6321
[  373.783382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.786992] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  373.791578]  warn_alloc.cold.116+0xb7/0x1bd
[  373.796729] lowmem_reserve[]: 0 0 3503 3503
[  373.824124]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.828420] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  373.832729]  ? lock_downgrade+0x900/0x900
[  373.837547] lowmem_reserve[]: 0 0 0 0
[  373.866516]  ? trace_hardirqs_off+0xb8/0x310
[  373.870632] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  373.874435]  ? trace_hardirqs_off+0xb8/0x310
[  373.878820] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  373.892332]  __alloc_pages_slowpath+0x2651/0x2de0
[  373.896702] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  373.911894]  ? warn_alloc+0x120/0x120
[  373.916692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  373.931517]  ? __lock_acquire+0x62f/0x4c20
[  373.935292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  373.944100]  ? warn_alloc+0x120/0x120
[  373.948319] 1758 total pagecache pages
[  373.956876]  ? warn_alloc+0x120/0x120
[  373.960647] 0 pages in swap cache
[  373.964513]  ? print_usage_bug+0xc0/0xc0
[  373.968286] Swap cache stats: add 0, delete 0, find 0/0
[  373.971719]  ? print_usage_bug+0xc0/0xc0
[  373.975757] Free swap  = 0kB
[  373.981100]  ? lock_downgrade+0x900/0x900
[  373.985141] Total swap = 0kB
[  373.988144]  ? check_preemption_disabled+0x48/0x280
[  373.992283] 1965979 pages RAM
[  373.995303]  ? print_usage_bug+0xc0/0xc0
[  374.000296] 0 pages HighMem/MovableOnly
[  374.003382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.007416] 342853 pages reserved
[  374.011368]  ? should_fail+0x22d/0xd01
[  374.016874] 0 pages cma reserved
[  374.020411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.024341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.027635]  ? __lock_acquire+0x62f/0x4c20
[  374.032793] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.039285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.043487] ksoftirqd/0 cpuset=/ mems_allowed=0
[  374.053860]  ? __lock_acquire+0x62f/0x4c20
[  374.053873]  ? should_fail+0x22d/0xd01
[  374.071695]  ? mark_held_locks+0x130/0x130
[  374.075925]  ? mark_held_locks+0x130/0x130
[  374.080160]  ? print_usage_bug+0xc0/0xc0
[  374.084227]  ? zap_class+0x640/0x640
[  374.087941]  ? print_usage_bug+0xc0/0xc0
[  374.091988]  ? mark_held_locks+0x130/0x130
[  374.096215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.101751]  ? check_preemption_disabled+0x48/0x280
[  374.106759]  ? __lock_is_held+0xb5/0x140
[  374.110812]  __alloc_pages_nodemask+0xad8/0xea0
[  374.115466]  ? zap_class+0x640/0x640
[  374.119171]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  374.124192]  ? find_held_lock+0x36/0x1c0
[  374.128247]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.132907]  ? lock_downgrade+0x900/0x900
[  374.137049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.142592]  cache_grow_begin+0xa5/0x8c0
[  374.146646]  ? do_raw_spin_unlock+0xa7/0x330
[  374.151055]  fallback_alloc+0x204/0x2e0
[  374.155045]  ____cache_alloc_node+0x1c7/0x1e0
[  374.159536]  kmem_cache_alloc_node+0xe3/0x730
[  374.164022]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.168255]  __alloc_skb+0x119/0x770
[  374.171961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.177230]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.181627]  ? lock_downgrade+0x900/0x900
[  374.185771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.191301]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.196831]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.202286]  ? addrconf_rs_timer+0x690/0x690
[  374.206693]  ndisc_alloc_skb+0x144/0x340
[  374.210755]  ndisc_send_rs+0x331/0x6e0
[  374.214647]  addrconf_rs_timer+0x314/0x690
[  374.218883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.223120]  call_timer_fn+0x272/0x920
[  374.227086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.231308]  ? process_timeout+0x40/0x40
[  374.235381]  ? __run_timers+0x7da/0xc70
[  374.239350]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.243841]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.248334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.252575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.257605]  ? trace_hardirqs_on+0xbd/0x310
[  374.261916]  ? kasan_check_read+0x11/0x20
[  374.266054]  ? __run_timers+0x7da/0xc70
[  374.270017]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.275117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.279342]  __run_timers+0x7e5/0xc70
[  374.283148]  ? timer_fixup_init+0x70/0x70
[  374.287290]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.292299]  ? zap_class+0x640/0x640
[  374.296003]  ? enqueue_hrtimer+0x1a5/0x560
[  374.300226]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.305409]  ? find_held_lock+0x36/0x1c0
[  374.309464]  ? zap_class+0x640/0x640
[  374.313171]  ? pvclock_read_flags+0x160/0x160
[  374.317662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.323187]  ? check_preemption_disabled+0x48/0x280
[  374.328204]  ? __lock_is_held+0xb5/0x140
[  374.332261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.337788]  ? check_preemption_disabled+0x48/0x280
[  374.342796]  run_timer_softirq+0x52/0xb0
[  374.346863]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.351909]  __do_softirq+0x308/0xb7e
[  374.355714]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  374.360206]  ? lock_downgrade+0x900/0x900
[  374.364372]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.369472]  ? pvclock_read_flags+0x160/0x160
[  374.373957]  ? lapic_next_event+0x5a/0x90
[  374.378098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.383631]  ? kvm_clock_read+0x18/0x30
[  374.387594]  ? kvm_sched_clock_read+0x9/0x20
[  374.391993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.397534]  ? check_preemption_disabled+0x48/0x280
[  374.402546]  irq_exit+0x17f/0x1c0
[  374.405985]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.410827]  ? smp_reschedule_interrupt+0x109/0x650
[  374.415917]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.421789]  ? interrupt_entry+0xb5/0xc0
[  374.425843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.430845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.435852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.440694]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.445702]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.450795]  ? task_prio+0x50/0x50
[  374.454551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.460078]  ? check_preemption_disabled+0x48/0x280
[  374.465089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.469928]  apic_timer_interrupt+0xf/0x20
[  374.474147]  </IRQ>
[  374.476379] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  374.481302] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  374.500201] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  374.507894] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  374.515147] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  374.522405] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  374.529664] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  374.536936] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  374.544228]  skb_clone+0x1bb/0x500
[  374.547768]  ? finish_task_switch+0x2f4/0x910
[  374.552255]  ? skb_split+0x11e0/0x11e0
[  374.556143]  ? preempt_notifier_register+0x200/0x200
[  374.561237]  ? __switch_to_asm+0x34/0x70
[  374.565290]  ? __switch_to_asm+0x34/0x70
[  374.569342]  ? __switch_to_asm+0x40/0x70
[  374.573486]  ? __switch_to_asm+0x34/0x70
[  374.577536]  ? __switch_to_asm+0x40/0x70
[  374.581603]  ? __switch_to_asm+0x34/0x70
[  374.585656]  ? __switch_to_asm+0x40/0x70
[  374.589718]  ? __switch_to_asm+0x34/0x70
[  374.593765]  ? __switch_to_asm+0x34/0x70
[  374.597817]  ? __switch_to_asm+0x40/0x70
[  374.601887]  ? __switch_to_asm+0x34/0x70
[  374.605946]  bpf_clone_redirect+0xb9/0x490
[  374.610174]  ? __schedule+0x8d7/0x21d0
[  374.614055]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  374.619059]  ? __sched_text_start+0x8/0x8
[  374.623659]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  374.628432]  ? find_held_lock+0x36/0x1c0
[  374.632484]  ? lock_acquire+0x1ed/0x520
[  374.636447]  ? bpf_test_run+0x3ee/0x7a0
[  374.640408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.645938]  ? check_preemption_disabled+0x48/0x280
[  374.650947]  ? kasan_check_read+0x11/0x20
[  374.655085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.660354]  ? rcu_softirq_qs+0x20/0x20
[  374.664318]  ? preempt_schedule+0x4d/0x60
[  374.668461]  ? ___preempt_schedule+0x16/0x18
[  374.672896]  ? bpf_test_run+0x271/0x7a0
[  374.676877]  ? netlink_diag_dump+0x2a0/0x2a0
[  374.681279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.686808]  ? bpf_test_init.isra.10+0x70/0x100
[  374.691470]  ? bpf_prog_test_run_skb+0x762/0xd60
[  374.696219]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.701054]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  374.706585]  ? fput+0x130/0x1a0
[  374.709859]  ? __bpf_prog_get+0x9b/0x290
[  374.713933]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.718767]  ? bpf_prog_test_run+0x130/0x1a0
[  374.723169]  ? __x64_sys_bpf+0x3d8/0x520
[  374.727222]  ? bpf_prog_get+0x20/0x20
[  374.731028]  ? do_syscall_64+0x1b9/0x820
[  374.735076]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.740433]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.745358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.750190]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.755196]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  374.760198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.765722]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.770737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.775582]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.780954] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  374.781034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.787787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.787794] Call Trace:
[  374.794350] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.803606]  dump_stack+0x244/0x39d
[  374.806159] syz-executor5 cpuset=syz5 mems_allowed=0
[  374.816632]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.830734]  warn_alloc.cold.116+0xb7/0x1bd
[  374.835165]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.840013]  ? lock_downgrade+0x900/0x900
[  374.844180]  ? trace_hardirqs_off+0xb8/0x310
[  374.848588]  ? trace_hardirqs_off+0xb8/0x310
[  374.853000]  __alloc_pages_slowpath+0x2651/0x2de0
[  374.857862]  ? warn_alloc+0x120/0x120
[  374.861656]  ? print_usage_bug+0xc0/0xc0
[  374.865723]  ? warn_alloc+0x120/0x120
[  374.869523]  ? warn_alloc+0x120/0x120
[  374.873326]  ? print_usage_bug+0xc0/0xc0
[  374.877392]  ? print_usage_bug+0xc0/0xc0
[  374.881446]  ? __lock_acquire+0x62f/0x4c20
[  374.885678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.891208]  ? should_fail+0x22d/0xd01
[  374.895089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.900184]  ? __lock_acquire+0x62f/0x4c20
[  374.904413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.909505]  ? __lock_acquire+0x62f/0x4c20
[  374.913729]  ? should_fail+0x22d/0xd01
[  374.917606]  ? find_held_lock+0x36/0x1c0
[  374.921666]  ? mark_held_locks+0x130/0x130
[  374.925908]  ? mark_held_locks+0x130/0x130
[  374.930130]  ? zap_class+0x640/0x640
[  374.933840]  ? mark_held_locks+0xc7/0x130
[  374.937982]  ? do_raw_spin_unlock+0xa7/0x330
[  374.942387]  ? zap_class+0x640/0x640
[  374.946110]  ? print_usage_bug+0xc0/0xc0
[  374.950175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.955708]  ? check_preemption_disabled+0x48/0x280
[  374.960726]  ? __lock_is_held+0xb5/0x140
[  374.964798]  __alloc_pages_nodemask+0xad8/0xea0
[  374.969470]  ? zap_class+0x640/0x640
[  374.973180]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  374.978198]  ? find_held_lock+0x36/0x1c0
[  374.982262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.986932]  ? lock_downgrade+0x900/0x900
[  374.991090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.996626]  cache_grow_begin+0xa5/0x8c0
[  375.000679]  ? do_raw_spin_unlock+0xa7/0x330
[  375.005105]  fallback_alloc+0x204/0x2e0
[  375.009074]  ____cache_alloc_node+0x1c7/0x1e0
[  375.013565]  kmem_cache_alloc_node+0xe3/0x730
[  375.018062]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.022309]  __alloc_skb+0x119/0x770
[  375.026016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.031289]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.035699]  ? lock_downgrade+0x900/0x900
[  375.039865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.045401]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.050850]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.056293]  ? addrconf_rs_timer+0x690/0x690
[  375.060715]  ndisc_alloc_skb+0x144/0x340
[  375.064771]  ndisc_send_rs+0x331/0x6e0
[  375.068653]  addrconf_rs_timer+0x314/0x690
[  375.072895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.077135]  call_timer_fn+0x272/0x920
[  375.081015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.085238]  ? process_timeout+0x40/0x40
[  375.089329]  ? __run_timers+0x7da/0xc70
[  375.093329]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.097819]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.102321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.106552]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.111126]  ? trace_hardirqs_on+0xbd/0x310
[  375.115437]  ? kasan_check_read+0x11/0x20
[  375.119577]  ? __run_timers+0x7da/0xc70
[  375.123540]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.128641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.132890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.137112]  __run_timers+0x7e5/0xc70
[  375.140912]  ? timer_fixup_init+0x70/0x70
[  375.145049]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.149546]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.154030]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.158605]  ? trace_hardirqs_on+0xbd/0x310
[  375.162919]  ? kasan_check_read+0x11/0x20
[  375.167071]  ? finish_task_switch+0x1f4/0x910
[  375.171571]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.176665]  ? compat_start_thread+0x80/0x80
[  375.181083]  ? pvclock_read_flags+0x160/0x160
[  375.185567]  ? __switch_to_asm+0x34/0x70
[  375.189625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.195159]  ? check_preemption_disabled+0x48/0x280
[  375.200196]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  375.205731]  ? rcu_pm_notify+0xc0/0xc0
[  375.209614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.215147]  ? check_preemption_disabled+0x48/0x280
[  375.220162]  run_timer_softirq+0x52/0xb0
[  375.224221]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.229253]  __do_softirq+0x308/0xb7e
[  375.233043]  ? retint_kernel+0x2d/0x2d
[  375.236923]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.242013]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.247457]  ? retint_kernel+0x2d/0x2d
[  375.251340]  ? schedule+0x108/0x460
[  375.254968]  ? trace_hardirqs_off+0xb8/0x310
[  375.259374]  ? smpboot_thread_fn+0x68b/0xa00
[  375.263775]  ? trace_hardirqs_on+0x310/0x310
[  375.268177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.273719]  ? check_preemption_disabled+0x48/0x280
[  375.278726]  ? takeover_tasklets+0xa90/0xa90
[  375.283130]  run_ksoftirqd+0x5e/0x100
[  375.286920]  smpboot_thread_fn+0x68b/0xa00
[  375.291150]  ? sort_range+0x30/0x30
[  375.294772]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.299869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.305423]  ? __kthread_parkme+0xfb/0x1a0
[  375.309655]  ? sort_range+0x30/0x30
[  375.313276]  kthread+0x35a/0x440
[  375.316648]  ? kthread_stop+0x900/0x900
[  375.320628]  ret_from_fork+0x3a/0x50
[  375.324354] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  375.324358] warn_alloc_show_mem: 1 callbacks suppressed
[  375.324364] Mem-Info:
[  375.331889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.337260] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  375.337260]  active_file:17 inactive_file:17 isolated_file:0
[  375.337260]  unevictable:0 dirty:0 writeback:0 unstable:0
[  375.337260]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  375.337260]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  375.337260]  free:13768 free_pcp:279 free_cma:0
[  375.339633] Call Trace:
[  375.349016] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  375.382023]  <IRQ>
[  375.384588] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  375.412504]  dump_stack+0x244/0x39d
[  375.414615] lowmem_reserve[]: 0 2818 6321 6321
[  375.440828]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.444426] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  375.449000]  warn_alloc.cold.116+0xb7/0x1bd
[  375.454148] lowmem_reserve[]: 0 0 3503 3503
[  375.481548]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.485835] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  375.490141]  ? lock_downgrade+0x900/0x900
[  375.494950] lowmem_reserve[]: 0 0 0 0
[  375.524006]  ? trace_hardirqs_off+0xb8/0x310
[  375.528205] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  375.532011]  ? trace_hardirqs_off+0xb8/0x310
[  375.536409] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  375.549924]  __alloc_pages_slowpath+0x2651/0x2de0
[  375.554309] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  375.569498]  ? warn_alloc+0x120/0x120
[  375.574301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  375.589027]  ? print_usage_bug+0xc0/0xc0
[  375.592800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  375.601622]  ? warn_alloc+0x120/0x120
[  375.605656] 1758 total pagecache pages
[  375.614229]  ? warn_alloc+0x120/0x120
[  375.618013] 0 pages in swap cache
[  375.621891]  ? print_usage_bug+0xc0/0xc0
[  375.625662] Swap cache stats: add 0, delete 0, find 0/0
[  375.629109]  ? kvm_clock_read+0x18/0x30
[  375.633139] Free swap  = 0kB
[  375.638605]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  375.642545] Total swap = 0kB
[  375.645548]  ? print_usage_bug+0xc0/0xc0
[  375.650533] 1965979 pages RAM
[  375.653536]  ? __lock_acquire+0x62f/0x4c20
[  375.657565] 0 pages HighMem/MovableOnly
[  375.660655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.664860] 342853 pages reserved
[  375.668819]  ? should_fail+0x22d/0xd01
[  375.674321] 0 pages cma reserved
[  375.674421] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.677760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.677782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.681781] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.684997]  ? __lock_acquire+0x62f/0x4c20
[  375.691456] ksoftirqd/0 cpuset=/ mems_allowed=0
[  375.696719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.726022]  ? __lock_acquire+0x62f/0x4c20
[  375.730255]  ? should_fail+0x22d/0xd01
[  375.734129]  ? rcu_irq_exit+0x1a2/0x390
[  375.738106]  ? mark_held_locks+0x130/0x130
[  375.742338]  ? mark_held_locks+0x130/0x130
[  375.746574]  ? mark_held_locks+0xc7/0x130
[  375.750715]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  375.755720]  ? zap_class+0x640/0x640
[  375.759425]  ? print_usage_bug+0xc0/0xc0
[  375.763482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.769013]  ? check_preemption_disabled+0x48/0x280
[  375.774042]  ? __lock_is_held+0xb5/0x140
[  375.778103]  __alloc_pages_nodemask+0xad8/0xea0
[  375.782766]  ? zap_class+0x640/0x640
[  375.786473]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  375.791502]  ? find_held_lock+0x36/0x1c0
[  375.795565]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.800229]  ? lock_downgrade+0x900/0x900
[  375.804418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.809964]  cache_grow_begin+0xa5/0x8c0
[  375.814019]  ? do_raw_spin_unlock+0xa7/0x330
[  375.818422]  fallback_alloc+0x204/0x2e0
[  375.822398]  ____cache_alloc_node+0x1c7/0x1e0
[  375.826885]  kmem_cache_alloc_node+0xe3/0x730
[  375.831485]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.835826]  __alloc_skb+0x119/0x770
[  375.839525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.844794]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.849192]  ? lock_downgrade+0x900/0x900
[  375.853337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.858864]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.864320]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.869761]  ? addrconf_rs_timer+0x690/0x690
[  375.874178]  ndisc_alloc_skb+0x144/0x340
[  375.878251]  ndisc_send_rs+0x331/0x6e0
[  375.882134]  addrconf_rs_timer+0x314/0x690
[  375.886379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.890614]  call_timer_fn+0x272/0x920
[  375.894593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.898833]  ? process_timeout+0x40/0x40
[  375.902889]  ? __run_timers+0x7da/0xc70
[  375.906854]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.911356]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.915865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.920091]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.924666]  ? trace_hardirqs_on+0xbd/0x310
[  375.928974]  ? kasan_check_read+0x11/0x20
[  375.933111]  ? __run_timers+0x7da/0xc70
[  375.937076]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.942173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.946419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.950640]  __run_timers+0x7e5/0xc70
[  375.954442]  ? timer_fixup_init+0x70/0x70
[  375.958587]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.963598]  ? zap_class+0x640/0x640
[  375.967305]  ? enqueue_hrtimer+0x1a5/0x560
[  375.971535]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.976730]  ? find_held_lock+0x36/0x1c0
[  375.980791]  ? zap_class+0x640/0x640
[  375.984585]  ? pvclock_read_flags+0x160/0x160
[  375.989071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.994612]  ? check_preemption_disabled+0x48/0x280
[  375.999625]  ? __lock_is_held+0xb5/0x140
[  376.003674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.009203]  ? check_preemption_disabled+0x48/0x280
[  376.014226]  run_timer_softirq+0x52/0xb0
[  376.018273]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.023281]  __do_softirq+0x308/0xb7e
[  376.027161]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.031672]  ? lock_downgrade+0x900/0x900
[  376.035813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.040926]  ? pvclock_read_flags+0x160/0x160
[  376.045422]  ? lapic_next_event+0x5a/0x90
[  376.049563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.055098]  ? kvm_clock_read+0x18/0x30
[  376.059061]  ? kvm_sched_clock_read+0x9/0x20
[  376.063552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.069083]  ? check_preemption_disabled+0x48/0x280
[  376.074111]  irq_exit+0x17f/0x1c0
[  376.077557]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.082392]  ? smp_reschedule_interrupt+0x109/0x650
[  376.087396]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.093269]  ? interrupt_entry+0xb5/0xc0
[  376.097322]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.102328]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.107341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.112171]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.117173]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.122189]  ? task_prio+0x50/0x50
[  376.125728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.131259]  ? check_preemption_disabled+0x48/0x280
[  376.136284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.141123]  apic_timer_interrupt+0xf/0x20
[  376.145354]  </IRQ>
[  376.147584] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  376.152507] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  376.171396] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  376.179106] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  376.186366] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  376.193625] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  376.200885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  376.208149] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  376.215452]  skb_clone+0x1bb/0x500
[  376.218984]  ? finish_task_switch+0x2f4/0x910
[  376.223478]  ? skb_split+0x11e0/0x11e0
[  376.227357]  ? preempt_notifier_register+0x200/0x200
[  376.232447]  ? __switch_to_asm+0x34/0x70
[  376.236496]  ? __switch_to_asm+0x34/0x70
[  376.240548]  ? __switch_to_asm+0x40/0x70
[  376.244603]  ? __switch_to_asm+0x34/0x70
[  376.248652]  ? __switch_to_asm+0x40/0x70
[  376.252701]  ? __switch_to_asm+0x34/0x70
[  376.256751]  ? __switch_to_asm+0x40/0x70
[  376.260800]  ? __switch_to_asm+0x34/0x70
[  376.264852]  ? __switch_to_asm+0x34/0x70
[  376.268900]  ? __switch_to_asm+0x40/0x70
[  376.272949]  ? __switch_to_asm+0x34/0x70
[  376.277005]  bpf_clone_redirect+0xb9/0x490
[  376.281246]  ? __schedule+0x8d7/0x21d0
[  376.285125]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  376.290130]  ? __sched_text_start+0x8/0x8
[  376.294280]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  376.299040]  ? find_held_lock+0x36/0x1c0
[  376.303113]  ? lock_acquire+0x1ed/0x520
[  376.307075]  ? bpf_test_run+0x3ee/0x7a0
[  376.311035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.316561]  ? check_preemption_disabled+0x48/0x280
[  376.321570]  ? kasan_check_read+0x11/0x20
[  376.325712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.330998]  ? rcu_softirq_qs+0x20/0x20
[  376.334963]  ? preempt_schedule+0x4d/0x60
[  376.339099]  ? ___preempt_schedule+0x16/0x18
[  376.343511]  ? bpf_test_run+0x271/0x7a0
[  376.347483]  ? netlink_diag_dump+0x2a0/0x2a0
[  376.351886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.357411]  ? bpf_test_init.isra.10+0x70/0x100
[  376.362091]  ? bpf_prog_test_run_skb+0x762/0xd60
[  376.366850]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  376.371690]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.377225]  ? fput+0x130/0x1a0
[  376.380496]  ? __bpf_prog_get+0x9b/0x290
[  376.384560]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  376.389392]  ? bpf_prog_test_run+0x130/0x1a0
[  376.393789]  ? __x64_sys_bpf+0x3d8/0x520
[  376.397839]  ? bpf_prog_get+0x20/0x20
[  376.401642]  ? do_syscall_64+0x1b9/0x820
[  376.405690]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  376.411062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.415980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.420820]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.425827]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  376.430833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.436359]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.441378]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.446216]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  376.451594] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  376.451668] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.458942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.458949] Call Trace:
[  376.465523] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.474766]  dump_stack+0x244/0x39d
[  376.477319] syz-executor5 cpuset=syz5 mems_allowed=0
[  376.487788]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.501663]  warn_alloc.cold.116+0xb7/0x1bd
[  376.505998]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.510944]  ? lock_downgrade+0x900/0x900
[  376.515110]  ? trace_hardirqs_off+0xb8/0x310
[  376.519521]  ? trace_hardirqs_off+0xb8/0x310
[  376.523931]  __alloc_pages_slowpath+0x2651/0x2de0
[  376.528793]  ? warn_alloc+0x120/0x120
[  376.532591]  ? print_usage_bug+0xc0/0xc0
[  376.536643]  ? warn_alloc+0x120/0x120
[  376.540454]  ? warn_alloc+0x120/0x120
[  376.544250]  ? print_usage_bug+0xc0/0xc0
[  376.548305]  ? print_usage_bug+0xc0/0xc0
[  376.552362]  ? print_usage_bug+0xc0/0xc0
[  376.556419]  ? __lock_acquire+0x62f/0x4c20
[  376.560659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.566559]  ? should_fail+0x22d/0xd01
[  376.570448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.575547]  ? __lock_acquire+0x62f/0x4c20
[  376.579792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.584889]  ? __lock_acquire+0x62f/0x4c20
[  376.589117]  ? should_fail+0x22d/0xd01
[  376.593006]  ? mark_held_locks+0x130/0x130
[  376.597238]  ? mark_held_locks+0x130/0x130
[  376.601470]  ? zap_class+0x640/0x640
[  376.605195]  ? zap_class+0x640/0x640
[  376.608898]  ? print_usage_bug+0xc0/0xc0
[  376.612947]  ? mark_held_locks+0x130/0x130
[  376.617183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.622860]  ? check_preemption_disabled+0x48/0x280
[  376.627869]  ? __lock_is_held+0xb5/0x140
[  376.631947]  __alloc_pages_nodemask+0xad8/0xea0
[  376.636605]  ? zap_class+0x640/0x640
[  376.640310]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  376.645332]  ? find_held_lock+0x36/0x1c0
[  376.649388]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.654132]  ? lock_downgrade+0x900/0x900
[  376.658297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.663851]  cache_grow_begin+0xa5/0x8c0
[  376.667906]  ? do_raw_spin_unlock+0xa7/0x330
[  376.672309]  fallback_alloc+0x204/0x2e0
[  376.676279]  ____cache_alloc_node+0x1c7/0x1e0
[  376.680779]  kmem_cache_alloc_node+0xe3/0x730
[  376.685262]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.689503]  __alloc_skb+0x119/0x770
[  376.693206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.698478]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.702877]  ? lock_downgrade+0x900/0x900
[  376.707029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.712561]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.718010]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.723449]  ? addrconf_rs_timer+0x690/0x690
[  376.727861]  ndisc_alloc_skb+0x144/0x340
[  376.731922]  ndisc_send_rs+0x331/0x6e0
[  376.735807]  addrconf_rs_timer+0x314/0x690
[  376.740036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.744275]  call_timer_fn+0x272/0x920
[  376.748155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.752385]  ? process_timeout+0x40/0x40
[  376.756451]  ? __run_timers+0x7da/0xc70
[  376.760445]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.764929]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.769413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.773655]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.778235]  ? trace_hardirqs_on+0xbd/0x310
[  376.782551]  ? kasan_check_read+0x11/0x20
[  376.786692]  ? __run_timers+0x7da/0xc70
[  376.790660]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.795764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.799991]  __run_timers+0x7e5/0xc70
[  376.803790]  ? timer_fixup_init+0x70/0x70
[  376.807930]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.812436]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.816922]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.821502]  ? trace_hardirqs_on+0xbd/0x310
[  376.825837]  ? kasan_check_read+0x11/0x20
[  376.829991]  ? finish_task_switch+0x1f4/0x910
[  376.834481]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.839575]  ? compat_start_thread+0x80/0x80
[  376.843991]  ? pvclock_read_flags+0x160/0x160
[  376.848472]  ? __switch_to_asm+0x34/0x70
[  376.852529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.858064]  ? check_preemption_disabled+0x48/0x280
[  376.863082]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  376.868634]  ? rcu_pm_notify+0xc0/0xc0
[  376.872516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.878047]  ? check_preemption_disabled+0x48/0x280
[  376.883071]  run_timer_softirq+0x52/0xb0
[  376.887123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.892143]  __do_softirq+0x308/0xb7e
[  376.895938]  ? retint_kernel+0x2d/0x2d
[  376.899820]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.904910]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.910347]  ? retint_kernel+0x2d/0x2d
[  376.914260]  ? schedule+0x108/0x460
[  376.917889]  ? trace_hardirqs_off+0xb8/0x310
[  376.922298]  ? smpboot_thread_fn+0x68b/0xa00
[  376.926742]  ? trace_hardirqs_on+0x310/0x310
[  376.931159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.936705]  ? check_preemption_disabled+0x48/0x280
[  376.941730]  ? takeover_tasklets+0xa90/0xa90
[  376.946137]  run_ksoftirqd+0x5e/0x100
[  376.949943]  smpboot_thread_fn+0x68b/0xa00
[  376.954176]  ? sort_range+0x30/0x30
[  376.957818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.962913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.968451]  ? __kthread_parkme+0xfb/0x1a0
[  376.972677]  ? sort_range+0x30/0x30
[  376.976297]  kthread+0x35a/0x440
[  376.979654]  ? kthread_stop+0x900/0x900
[  376.983619]  ret_from_fork+0x3a/0x50
[  376.987356] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  376.987360] warn_alloc_show_mem: 1 callbacks suppressed
[  376.987366] Mem-Info:
[  376.994715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.000074] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  377.000074]  active_file:17 inactive_file:17 isolated_file:0
[  377.000074]  unevictable:0 dirty:0 writeback:0 unstable:0
[  377.000074]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  377.000074]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  377.000074]  free:13768 free_pcp:279 free_cma:0
[  377.002439] Call Trace:
[  377.011928] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  377.044949]  <IRQ>
[  377.047510] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  377.075182]  dump_stack+0x244/0x39d
[  377.077299] lowmem_reserve[]: 0 2818 6321 6321
[  377.103393]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.106985] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  377.111557]  warn_alloc.cold.116+0xb7/0x1bd
[  377.116708] lowmem_reserve[]: 0 0 3503 3503
[  377.144202]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.148491] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  377.152798]  ? lock_downgrade+0x900/0x900
[  377.157609] lowmem_reserve[]: 0 0 0 0
[  377.186661]  ? trace_hardirqs_off+0xb8/0x310
[  377.190778] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  377.194571]  ? trace_hardirqs_off+0xb8/0x310
[  377.199033] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  377.212546]  __alloc_pages_slowpath+0x2651/0x2de0
[  377.216921] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  377.232113]  ? warn_alloc+0x120/0x120
[  377.236925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.251654]  ? print_usage_bug+0xc0/0xc0
[  377.255428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.264242]  ? warn_alloc+0x120/0x120
[  377.268272] 1758 total pagecache pages
[  377.276837]  ? warn_alloc+0x120/0x120
[  377.280614] 0 pages in swap cache
[  377.284487]  ? print_usage_bug+0xc0/0xc0
[  377.288262] Swap cache stats: add 0, delete 0, find 0/0
[  377.291703]  ? kvm_clock_read+0x18/0x30
[  377.295731] Free swap  = 0kB
[  377.301074]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  377.305016] Total swap = 0kB
[  377.308017]  ? print_usage_bug+0xc0/0xc0
[  377.313000] 1965979 pages RAM
[  377.316019]  ? __lock_acquire+0x62f/0x4c20
[  377.320047] 0 pages HighMem/MovableOnly
[  377.323146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.327351] 342853 pages reserved
[  377.331309]  ? should_fail+0x22d/0xd01
[  377.336812] 0 pages cma reserved
[  377.340247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.344180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.347462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.352786] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.359188]  ? __lock_acquire+0x62f/0x4c20
[  377.364262] ksoftirqd/0 cpuset=/ mems_allowed=0
[  377.374572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.388520]  ? __lock_acquire+0x62f/0x4c20
[  377.392742]  ? should_fail+0x22d/0xd01
[  377.396622]  ? rcu_irq_exit+0x1a2/0x390
[  377.400592]  ? mark_held_locks+0x130/0x130
[  377.404838]  ? mark_held_locks+0x130/0x130
[  377.409077]  ? mark_held_locks+0xc7/0x130
[  377.413223]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  377.418229]  ? zap_class+0x640/0x640
[  377.421962]  ? print_usage_bug+0xc0/0xc0
[  377.426019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.431546]  ? check_preemption_disabled+0x48/0x280
[  377.436561]  ? __lock_is_held+0xb5/0x140
[  377.440624]  __alloc_pages_nodemask+0xad8/0xea0
[  377.445290]  ? zap_class+0x640/0x640
[  377.449001]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  377.454015]  ? find_held_lock+0x36/0x1c0
[  377.458094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.462752]  ? lock_downgrade+0x900/0x900
[  377.466908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.472438]  cache_grow_begin+0xa5/0x8c0
[  377.476491]  ? do_raw_spin_unlock+0xa7/0x330
[  377.480906]  fallback_alloc+0x204/0x2e0
[  377.484875]  ____cache_alloc_node+0x1c7/0x1e0
[  377.489372]  kmem_cache_alloc_node+0xe3/0x730
[  377.493867]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.498114]  __alloc_skb+0x119/0x770
[  377.501839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.507112]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.511512]  ? lock_downgrade+0x900/0x900
[  377.515749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.521280]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.526729]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.532190]  ? addrconf_rs_timer+0x690/0x690
[  377.536604]  ndisc_alloc_skb+0x144/0x340
[  377.540660]  ndisc_send_rs+0x331/0x6e0
[  377.544542]  addrconf_rs_timer+0x314/0x690
[  377.548768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.552999]  call_timer_fn+0x272/0x920
[  377.556875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.561112]  ? process_timeout+0x40/0x40
[  377.565168]  ? __run_timers+0x7da/0xc70
[  377.569151]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.573637]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.578124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.582355]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.586929]  ? trace_hardirqs_on+0xbd/0x310
[  377.591259]  ? kasan_check_read+0x11/0x20
[  377.595394]  ? __run_timers+0x7da/0xc70
[  377.599364]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.604470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.608695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.612914]  __run_timers+0x7e5/0xc70
[  377.616712]  ? timer_fixup_init+0x70/0x70
[  377.620877]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.625878]  ? zap_class+0x640/0x640
[  377.629603]  ? enqueue_hrtimer+0x1a5/0x560
[  377.633831]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.639016]  ? find_held_lock+0x36/0x1c0
[  377.643099]  ? zap_class+0x640/0x640
[  377.646808]  ? pvclock_read_flags+0x160/0x160
[  377.651328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.656857]  ? check_preemption_disabled+0x48/0x280
[  377.661866]  ? __lock_is_held+0xb5/0x140
[  377.665914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.671440]  ? check_preemption_disabled+0x48/0x280
[  377.676558]  run_timer_softirq+0x52/0xb0
[  377.680618]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.685637]  __do_softirq+0x308/0xb7e
[  377.689449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.693949]  ? lock_downgrade+0x900/0x900
[  377.698121]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.703215]  ? pvclock_read_flags+0x160/0x160
[  377.707699]  ? lapic_next_event+0x5a/0x90
[  377.711836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.717372]  ? kvm_clock_read+0x18/0x30
[  377.721347]  ? kvm_sched_clock_read+0x9/0x20
[  377.725748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.731273]  ? check_preemption_disabled+0x48/0x280
[  377.736300]  irq_exit+0x17f/0x1c0
[  377.739772]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.744603]  ? smp_reschedule_interrupt+0x109/0x650
[  377.749628]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.755501]  ? interrupt_entry+0xb5/0xc0
[  377.759555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.764586]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.769600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.774438]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.779445]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.784453]  ? task_prio+0x50/0x50
[  377.787998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.793528]  ? check_preemption_disabled+0x48/0x280
[  377.798543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.803394]  apic_timer_interrupt+0xf/0x20
[  377.807612]  </IRQ>
[  377.809863] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  377.814797] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  377.833687] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.841384] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.848674] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  377.855935] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  377.863192] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  377.870453] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  377.877744]  skb_clone+0x1bb/0x500
[  377.881277]  ? finish_task_switch+0x2f4/0x910
[  377.885864]  ? skb_split+0x11e0/0x11e0
[  377.889746]  ? preempt_notifier_register+0x200/0x200
[  377.894835]  ? __switch_to_asm+0x34/0x70
[  377.898880]  ? __switch_to_asm+0x34/0x70
[  377.902924]  ? __switch_to_asm+0x40/0x70
[  377.906972]  ? __switch_to_asm+0x34/0x70
[  377.911016]  ? __switch_to_asm+0x40/0x70
[  377.915066]  ? __switch_to_asm+0x34/0x70
[  377.919136]  ? __switch_to_asm+0x40/0x70
[  377.923200]  ? __switch_to_asm+0x34/0x70
[  377.927250]  ? __switch_to_asm+0x34/0x70
[  377.931300]  ? __switch_to_asm+0x40/0x70
[  377.935348]  ? __switch_to_asm+0x34/0x70
[  377.939404]  bpf_clone_redirect+0xb9/0x490
[  377.943629]  ? __schedule+0x8d7/0x21d0
[  377.947511]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  377.952519]  ? __sched_text_start+0x8/0x8
[  377.956662]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.961420]  ? find_held_lock+0x36/0x1c0
[  377.965482]  ? lock_acquire+0x1ed/0x520
[  377.969449]  ? bpf_test_run+0x3ee/0x7a0
[  377.973415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.978950]  ? check_preemption_disabled+0x48/0x280
[  377.983967]  ? kasan_check_read+0x11/0x20
[  377.988110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.993381]  ? rcu_softirq_qs+0x20/0x20
[  377.997346]  ? preempt_schedule+0x4d/0x60
[  378.001585]  ? ___preempt_schedule+0x16/0x18
[  378.005991]  ? bpf_test_run+0x271/0x7a0
[  378.009999]  ? netlink_diag_dump+0x2a0/0x2a0
[  378.014403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.019934]  ? bpf_test_init.isra.10+0x70/0x100
[  378.024594]  ? bpf_prog_test_run_skb+0x762/0xd60
[  378.029363]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.034207]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.039736]  ? fput+0x130/0x1a0
[  378.043012]  ? __bpf_prog_get+0x9b/0x290
[  378.047074]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.051996]  ? bpf_prog_test_run+0x130/0x1a0
[  378.056398]  ? __x64_sys_bpf+0x3d8/0x520
[  378.060447]  ? bpf_prog_get+0x20/0x20
[  378.064253]  ? do_syscall_64+0x1b9/0x820
[  378.068305]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  378.073661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.078590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.083423]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.088435]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.093470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.098999]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.104515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.109361]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  378.114733] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  378.114804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.121564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.121568] Call Trace:
[  378.121583]  dump_stack+0x244/0x39d
[  378.121601]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.128120] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.137413]  warn_alloc.cold.116+0xb7/0x1bd
[  378.139961] syz-executor5 cpuset=syz5 mems_allowed=0
[  378.143570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.173400]  ? lock_downgrade+0x900/0x900
[  378.177547]  ? trace_hardirqs_off+0xb8/0x310
[  378.181951]  ? trace_hardirqs_off+0xb8/0x310
[  378.186358]  __alloc_pages_slowpath+0x2651/0x2de0
[  378.191331]  ? warn_alloc+0x120/0x120
[  378.195127]  ? print_usage_bug+0xc0/0xc0
[  378.199185]  ? warn_alloc+0x120/0x120
[  378.202983]  ? warn_alloc+0x120/0x120
[  378.206790]  ? print_usage_bug+0xc0/0xc0
[  378.210847]  ? print_usage_bug+0xc0/0xc0
[  378.214916]  ? __lock_acquire+0x62f/0x4c20
[  378.219147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.224687]  ? should_fail+0x22d/0xd01
[  378.228569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.233668]  ? __lock_acquire+0x62f/0x4c20
[  378.237988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.243091]  ? __lock_acquire+0x62f/0x4c20
[  378.247419]  ? should_fail+0x22d/0xd01
[  378.251403]  ? find_held_lock+0x36/0x1c0
[  378.255473]  ? mark_held_locks+0x130/0x130
[  378.259723]  ? mark_held_locks+0x130/0x130
[  378.263947]  ? zap_class+0x640/0x640
[  378.267652]  ? mark_held_locks+0xc7/0x130
[  378.271787]  ? do_raw_spin_unlock+0xa7/0x330
[  378.276186]  ? zap_class+0x640/0x640
[  378.279908]  ? print_usage_bug+0xc0/0xc0
[  378.283963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.289495]  ? check_preemption_disabled+0x48/0x280
[  378.294626]  ? __lock_is_held+0xb5/0x140
[  378.298688]  __alloc_pages_nodemask+0xad8/0xea0
[  378.303351]  ? zap_class+0x640/0x640
[  378.307065]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  378.312088]  ? find_held_lock+0x36/0x1c0
[  378.316160]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.320841]  ? lock_downgrade+0x900/0x900
[  378.324984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.330534]  cache_grow_begin+0xa5/0x8c0
[  378.334589]  ? do_raw_spin_unlock+0xa7/0x330
[  378.338994]  fallback_alloc+0x204/0x2e0
[  378.342974]  ____cache_alloc_node+0x1c7/0x1e0
[  378.347484]  kmem_cache_alloc_node+0xe3/0x730
[  378.351976]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.356223]  __alloc_skb+0x119/0x770
[  378.359933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.365210]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.369610]  ? lock_downgrade+0x900/0x900
[  378.373757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.379285]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.384736]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.390181]  ? addrconf_rs_timer+0x690/0x690
[  378.394594]  ndisc_alloc_skb+0x144/0x340
[  378.398654]  ndisc_send_rs+0x331/0x6e0
[  378.402543]  addrconf_rs_timer+0x314/0x690
[  378.406774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.411026]  call_timer_fn+0x272/0x920
[  378.414905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.419137]  ? process_timeout+0x40/0x40
[  378.423199]  ? __run_timers+0x7da/0xc70
[  378.427170]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.431661]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.436150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.440380]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.444957]  ? trace_hardirqs_on+0xbd/0x310
[  378.449270]  ? kasan_check_read+0x11/0x20
[  378.453763]  ? __run_timers+0x7da/0xc70
[  378.457743]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.462843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.467091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.471343]  __run_timers+0x7e5/0xc70
[  378.475146]  ? timer_fixup_init+0x70/0x70
[  378.479285]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.483802]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.488311]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.492888]  ? trace_hardirqs_on+0xbd/0x310
[  378.497203]  ? kasan_check_read+0x11/0x20
[  378.501349]  ? finish_task_switch+0x1f4/0x910
[  378.505840]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.510935]  ? compat_start_thread+0x80/0x80
[  378.515356]  ? pvclock_read_flags+0x160/0x160
[  378.519846]  ? __switch_to_asm+0x34/0x70
[  378.523899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.529432]  ? check_preemption_disabled+0x48/0x280
[  378.534454]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  378.540009]  ? rcu_pm_notify+0xc0/0xc0
[  378.544015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.549569]  ? check_preemption_disabled+0x48/0x280
[  378.554597]  run_timer_softirq+0x52/0xb0
[  378.558653]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.563677]  __do_softirq+0x308/0xb7e
[  378.568212]  ? retint_kernel+0x2d/0x2d
[  378.572090]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.577188]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.582625]  ? retint_kernel+0x2d/0x2d
[  378.586528]  ? schedule+0x108/0x460
[  378.590154]  ? trace_hardirqs_off+0xb8/0x310
[  378.594556]  ? smpboot_thread_fn+0x68b/0xa00
[  378.598954]  ? trace_hardirqs_on+0x310/0x310
[  378.603356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.608906]  ? check_preemption_disabled+0x48/0x280
[  378.613918]  ? takeover_tasklets+0xa90/0xa90
[  378.618323]  run_ksoftirqd+0x5e/0x100
[  378.622246]  smpboot_thread_fn+0x68b/0xa00
[  378.626472]  ? sort_range+0x30/0x30
[  378.630104]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.635209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.640735]  ? __kthread_parkme+0xfb/0x1a0
[  378.644960]  ? sort_range+0x30/0x30
[  378.648593]  kthread+0x35a/0x440
[  378.651952]  ? kthread_stop+0x900/0x900
[  378.655923]  ret_from_fork+0x3a/0x50
[  378.659647] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  378.659651] warn_alloc_show_mem: 1 callbacks suppressed
[  378.659657] Mem-Info:
[  378.667003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.667010] Call Trace:
[  378.672374] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  378.672374]  active_file:17 inactive_file:17 isolated_file:0
[  378.672374]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.672374]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  378.672374]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  378.672374]  free:13768 free_pcp:279 free_cma:0
[  378.674741]  <IRQ>
[  378.684090] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  378.686659]  dump_stack+0x244/0x39d
[  378.719675] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  378.721816]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.749536] lowmem_reserve[]: 0 2818 6321 6321
[  378.753168]  warn_alloc.cold.116+0xb7/0x1bd
[  378.779263] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  378.784440]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.788991] lowmem_reserve[]: 0 0 3503 3503
[  378.793316]  ? lock_downgrade+0x900/0x900
[  378.820697] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  378.825533]  ? trace_hardirqs_off+0xb8/0x310
[  378.829813] lowmem_reserve[]: 0 0 0 0
[  378.833953]  ? trace_hardirqs_off+0xb8/0x310
[  378.862919] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  378.867323]  __alloc_pages_slowpath+0x2651/0x2de0
[  378.871088] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  378.875505]  ? warn_alloc+0x120/0x120
[  378.888978] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  378.893806]  ? print_usage_bug+0xc0/0xc0
[  378.908949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  378.912732]  ? warn_alloc+0x120/0x120
[  378.927442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  378.931484]  ? warn_alloc+0x120/0x120
[  378.940284] 1758 total pagecache pages
[  378.944078]  ? print_usage_bug+0xc0/0xc0
[  378.952652] 0 pages in swap cache
[  378.956446]  ? print_usage_bug+0xc0/0xc0
[  378.960306] Swap cache stats: add 0, delete 0, find 0/0
[  378.964357]  ? __lock_acquire+0x62f/0x4c20
[  378.967777] Free swap  = 0kB
[  378.971818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.977147] Total swap = 0kB
[  378.981363]  ? should_fail+0x22d/0xd01
[  378.984345] 1965979 pages RAM
[  378.989860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.992840] 0 pages HighMem/MovableOnly
[  378.992846] 342853 pages reserved
[  378.996715]  ? __lock_acquire+0x62f/0x4c20
[  378.999791] 0 pages cma reserved
[  379.004878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.008897] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.012251]  ? __lock_acquire+0x62f/0x4c20
[  379.012262]  ? should_fail+0x22d/0xd01
[  379.012276]  ? find_held_lock+0x36/0x1c0
[  379.016536] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.019853]  ? mark_held_locks+0x130/0x130
[  379.024921] ksoftirqd/0 cpuset=/ mems_allowed=0
[  379.031486]  ? mark_held_locks+0x130/0x130
[  379.066987]  ? zap_class+0x640/0x640
[  379.070690]  ? zap_class+0x640/0x640
[  379.074393]  ? print_usage_bug+0xc0/0xc0
[  379.078442]  ? do_raw_spin_unlock+0xa7/0x330
[  379.082843]  ? zap_class+0x640/0x640
[  379.086547]  ? print_usage_bug+0xc0/0xc0
[  379.090600]  ? wq_watchdog_touch+0x9c/0xfe
[  379.094827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.100354]  ? check_preemption_disabled+0x48/0x280
[  379.105385]  ? __lock_is_held+0xb5/0x140
[  379.109438]  __alloc_pages_nodemask+0xad8/0xea0
[  379.114100]  ? zap_class+0x640/0x640
[  379.117805]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  379.122918]  ? find_held_lock+0x36/0x1c0
[  379.126987]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.131647]  ? lock_downgrade+0x900/0x900
[  379.135788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.141316]  cache_grow_begin+0xa5/0x8c0
[  379.145368]  ? do_raw_spin_unlock+0xa7/0x330
[  379.149782]  fallback_alloc+0x204/0x2e0
[  379.153750]  ____cache_alloc_node+0x1c7/0x1e0
[  379.158241]  kmem_cache_alloc_node+0xe3/0x730
[  379.162731]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.166972]  __alloc_skb+0x119/0x770
[  379.170673]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.176032]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.180430]  ? lock_downgrade+0x900/0x900
[  379.184578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.190121]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.195566]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.201028]  ? addrconf_rs_timer+0x690/0x690
[  379.205439]  ndisc_alloc_skb+0x144/0x340
[  379.209494]  ndisc_send_rs+0x331/0x6e0
[  379.213475]  addrconf_rs_timer+0x314/0x690
[  379.217706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.221943]  call_timer_fn+0x272/0x920
[  379.225838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.230063]  ? process_timeout+0x40/0x40
[  379.234118]  ? __run_timers+0x7da/0xc70
[  379.238105]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.242587]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.247070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.251296]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.255870]  ? trace_hardirqs_on+0xbd/0x310
[  379.260180]  ? kasan_check_read+0x11/0x20
[  379.264337]  ? __run_timers+0x7da/0xc70
[  379.268319]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.273431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.277665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.281898]  __run_timers+0x7e5/0xc70
[  379.285698]  ? timer_fixup_init+0x70/0x70
[  379.289848]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.294852]  ? zap_class+0x640/0x640
[  379.298557]  ? enqueue_hrtimer+0x1a5/0x560
[  379.302781]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.308066]  ? find_held_lock+0x36/0x1c0
[  379.312133]  ? zap_class+0x640/0x640
[  379.315855]  ? pvclock_read_flags+0x160/0x160
[  379.320344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.325872]  ? check_preemption_disabled+0x48/0x280
[  379.330887]  ? __lock_is_held+0xb5/0x140
[  379.334947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.340505]  ? check_preemption_disabled+0x48/0x280
[  379.345522]  run_timer_softirq+0x52/0xb0
[  379.349592]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.354598]  __do_softirq+0x308/0xb7e
[  379.358398]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.362882]  ? lock_downgrade+0x900/0x900
[  379.367031]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.372129]  ? pvclock_read_flags+0x160/0x160
[  379.376613]  ? lapic_next_event+0x5a/0x90
[  379.380760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.386301]  ? kvm_clock_read+0x18/0x30
[  379.390403]  ? kvm_sched_clock_read+0x9/0x20
[  379.394806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.400337]  ? check_preemption_disabled+0x48/0x280
[  379.405369]  irq_exit+0x17f/0x1c0
[  379.408828]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.413673]  ? smp_reschedule_interrupt+0x109/0x650
[  379.418679]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.424553]  ? interrupt_entry+0xb5/0xc0
[  379.428613]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.433619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.438630]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.443575]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.448582]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.453589]  ? task_prio+0x50/0x50
[  379.457118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.462677]  ? check_preemption_disabled+0x48/0x280
[  379.467704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.472546]  apic_timer_interrupt+0xf/0x20
[  379.476778]  </IRQ>
[  379.479021] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  379.483950] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  379.502865] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.510586] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  379.517847] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  379.525108] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  379.532366] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  379.539626] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  379.546929]  skb_clone+0x1bb/0x500
[  379.550484]  ? finish_task_switch+0x2f4/0x910
[  379.554972]  ? skb_split+0x11e0/0x11e0
[  379.558871]  ? preempt_notifier_register+0x200/0x200
[  379.563969]  ? __switch_to_asm+0x34/0x70
[  379.568018]  ? __switch_to_asm+0x34/0x70
[  379.572065]  ? __switch_to_asm+0x40/0x70
[  379.576119]  ? __switch_to_asm+0x34/0x70
[  379.580184]  ? __switch_to_asm+0x40/0x70
[  379.584238]  ? __switch_to_asm+0x34/0x70
[  379.588291]  ? __switch_to_asm+0x40/0x70
[  379.592347]  ? __switch_to_asm+0x34/0x70
[  379.596414]  ? __switch_to_asm+0x34/0x70
[  379.600468]  ? __switch_to_asm+0x40/0x70
[  379.604609]  ? __switch_to_asm+0x34/0x70
[  379.608666]  bpf_clone_redirect+0xb9/0x490
[  379.612903]  ? __schedule+0x8d7/0x21d0
[  379.616791]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  379.621815]  ? __sched_text_start+0x8/0x8
[  379.625954]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  379.630713]  ? find_held_lock+0x36/0x1c0
[  379.634785]  ? lock_acquire+0x1ed/0x520
[  379.638758]  ? bpf_test_run+0x3ee/0x7a0
[  379.642747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.648282]  ? check_preemption_disabled+0x48/0x280
[  379.653309]  ? kasan_check_read+0x11/0x20
[  379.657448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.662714]  ? rcu_softirq_qs+0x20/0x20
[  379.666679]  ? preempt_schedule+0x4d/0x60
[  379.670819]  ? ___preempt_schedule+0x16/0x18
[  379.675222]  ? bpf_test_run+0x271/0x7a0
[  379.679198]  ? netlink_diag_dump+0x2a0/0x2a0
[  379.683604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.689131]  ? bpf_test_init.isra.10+0x70/0x100
[  379.693798]  ? bpf_prog_test_run_skb+0x762/0xd60
[  379.698560]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.703403]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  379.708934]  ? fput+0x130/0x1a0
[  379.712205]  ? __bpf_prog_get+0x9b/0x290
[  379.716258]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.721088]  ? bpf_prog_test_run+0x130/0x1a0
[  379.725494]  ? __x64_sys_bpf+0x3d8/0x520
[  379.729550]  ? bpf_prog_get+0x20/0x20
[  379.733367]  ? do_syscall_64+0x1b9/0x820
[  379.737431]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  379.742788]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.747726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.752563]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.757584]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  379.762592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.768126]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.773143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.777985]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  379.783357] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  379.783453] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.790208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.790215] Call Trace:
[  379.796765] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.806037]  dump_stack+0x244/0x39d
[  379.808586] syz-executor5 cpuset=syz5 mems_allowed=0
[  379.819064]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.832929]  warn_alloc.cold.116+0xb7/0x1bd
[  379.837243]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.842110]  ? lock_downgrade+0x900/0x900
[  379.846266]  ? trace_hardirqs_off+0xb8/0x310
[  379.850670]  ? trace_hardirqs_off+0xb8/0x310
[  379.855075]  __alloc_pages_slowpath+0x2651/0x2de0
[  379.859937]  ? warn_alloc+0x120/0x120
[  379.863734]  ? print_usage_bug+0xc0/0xc0
[  379.867803]  ? warn_alloc+0x120/0x120
[  379.871597]  ? warn_alloc+0x120/0x120
[  379.875387]  ? print_usage_bug+0xc0/0xc0
[  379.879441]  ? print_usage_bug+0xc0/0xc0
[  379.883506]  ? __lock_acquire+0x62f/0x4c20
[  379.887742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.893289]  ? should_fail+0x22d/0xd01
[  379.897189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.902285]  ? __lock_acquire+0x62f/0x4c20
[  379.906516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.911621]  ? __lock_acquire+0x62f/0x4c20
[  379.915847]  ? should_fail+0x22d/0xd01
[  379.919732]  ? find_held_lock+0x36/0x1c0
[  379.923791]  ? mark_held_locks+0x130/0x130
[  379.928020]  ? mark_held_locks+0x130/0x130
[  379.932245]  ? zap_class+0x640/0x640
[  379.935954]  ? zap_class+0x640/0x640
[  379.939658]  ? print_usage_bug+0xc0/0xc0
[  379.943792]  ? do_raw_spin_unlock+0xa7/0x330
[  379.948187]  ? zap_class+0x640/0x640
[  379.951905]  ? print_usage_bug+0xc0/0xc0
[  379.955954]  ? wq_watchdog_touch+0x9c/0xfe
[  379.960176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.965704]  ? check_preemption_disabled+0x48/0x280
[  379.970735]  ? __lock_is_held+0xb5/0x140
[  379.974808]  __alloc_pages_nodemask+0xad8/0xea0
[  379.979467]  ? zap_class+0x640/0x640
[  379.983174]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  379.988193]  ? find_held_lock+0x36/0x1c0
[  379.992252]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.996912]  ? lock_downgrade+0x900/0x900
[  380.001053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.006582]  cache_grow_begin+0xa5/0x8c0
[  380.010631]  ? do_raw_spin_unlock+0xa7/0x330
[  380.015033]  fallback_alloc+0x204/0x2e0
[  380.018997]  ____cache_alloc_node+0x1c7/0x1e0
[  380.023569]  kmem_cache_alloc_node+0xe3/0x730
[  380.028052]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.032286]  __alloc_skb+0x119/0x770
[  380.035986]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.041256]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.045652]  ? lock_downgrade+0x900/0x900
[  380.049801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.055332]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.060772]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.066211]  ? addrconf_rs_timer+0x690/0x690
[  380.070618]  ndisc_alloc_skb+0x144/0x340
[  380.074676]  ndisc_send_rs+0x331/0x6e0
[  380.078569]  addrconf_rs_timer+0x314/0x690
[  380.082819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.087076]  call_timer_fn+0x272/0x920
[  380.090954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.095180]  ? process_timeout+0x40/0x40
[  380.099251]  ? __run_timers+0x7da/0xc70
[  380.103220]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.107715]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.112200]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.116436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.121015]  ? trace_hardirqs_on+0xbd/0x310
[  380.125341]  ? kasan_check_read+0x11/0x20
[  380.129504]  ? __run_timers+0x7da/0xc70
[  380.133467]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.138563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.142800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.147020]  __run_timers+0x7e5/0xc70
[  380.150838]  ? timer_fixup_init+0x70/0x70
[  380.154982]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.159483]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.164054]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.168622]  ? trace_hardirqs_on+0xbd/0x310
[  380.172930]  ? kasan_check_read+0x11/0x20
[  380.177076]  ? finish_task_switch+0x1f4/0x910
[  380.181580]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.186673]  ? compat_start_thread+0x80/0x80
[  380.191091]  ? pvclock_read_flags+0x160/0x160
[  380.195574]  ? __switch_to_asm+0x34/0x70
[  380.199628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.205158]  ? check_preemption_disabled+0x48/0x280
[  380.210189]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  380.215730]  ? rcu_pm_notify+0xc0/0xc0
[  380.219607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.225166]  ? check_preemption_disabled+0x48/0x280
[  380.230176]  run_timer_softirq+0x52/0xb0
[  380.234230]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.239236]  __do_softirq+0x308/0xb7e
[  380.243151]  ? retint_kernel+0x2d/0x2d
[  380.247033]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.252130]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.257590]  ? retint_kernel+0x2d/0x2d
[  380.261473]  ? schedule+0x108/0x460
[  380.265109]  ? trace_hardirqs_off+0xb8/0x310
[  380.269508]  ? smpboot_thread_fn+0x68b/0xa00
[  380.273918]  ? trace_hardirqs_on+0x310/0x310
[  380.278318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.283934]  ? check_preemption_disabled+0x48/0x280
[  380.288942]  ? takeover_tasklets+0xa90/0xa90
[  380.293338]  run_ksoftirqd+0x5e/0x100
[  380.297140]  smpboot_thread_fn+0x68b/0xa00
[  380.301369]  ? sort_range+0x30/0x30
[  380.304985]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.310094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.315637]  ? __kthread_parkme+0xfb/0x1a0
[  380.319871]  ? sort_range+0x30/0x30
[  380.323488]  kthread+0x35a/0x440
[  380.326853]  ? kthread_stop+0x900/0x900
[  380.330848]  ret_from_fork+0x3a/0x50
[  380.334619] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  380.334623] warn_alloc_show_mem: 1 callbacks suppressed
[  380.334629] Mem-Info:
[  380.341986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.347355] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  380.347355]  active_file:17 inactive_file:17 isolated_file:0
[  380.347355]  unevictable:0 dirty:0 writeback:0 unstable:0
[  380.347355]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  380.347355]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  380.347355]  free:13768 free_pcp:279 free_cma:0
[  380.349727] Call Trace:
[  380.359086] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  380.392098]  <IRQ>
[  380.394658] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  380.422323]  dump_stack+0x244/0x39d
[  380.424442] lowmem_reserve[]: 0 2818 6321 6321
[  380.450534]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.454652] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  380.459244]  warn_alloc.cold.116+0xb7/0x1bd
[  380.464393] lowmem_reserve[]: 0 0 3503 3503
[  380.491788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.496075] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  380.500383]  ? lock_downgrade+0x900/0x900
[  380.505192] lowmem_reserve[]: 0 0 0 0
[  380.534153]  ? trace_hardirqs_off+0xb8/0x310
[  380.538284] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  380.542087]  ? trace_hardirqs_off+0xb8/0x310
[  380.546459] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  380.559971]  __alloc_pages_slowpath+0x2651/0x2de0
[  380.564345] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  380.579523]  ? warn_alloc+0x120/0x120
[  380.584323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  380.599050]  ? print_usage_bug+0xc0/0xc0
[  380.602834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  380.611652]  ? warn_alloc+0x120/0x120
[  380.615678] 1758 total pagecache pages
[  380.624761]  ? warn_alloc+0x120/0x120
[  380.628550] 0 pages in swap cache
[  380.632409]  ? print_usage_bug+0xc0/0xc0
[  380.636181] Swap cache stats: add 0, delete 0, find 0/0
[  380.639616]  ? kvm_clock_read+0x18/0x30
[  380.643652] Free swap  = 0kB
[  380.648996]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  380.652933] Total swap = 0kB
[  380.652940] 1965979 pages RAM
[  380.655960]  ? print_usage_bug+0xc0/0xc0
[  380.660947] 0 pages HighMem/MovableOnly
[  380.663949]  ? __lock_acquire+0x62f/0x4c20
[  380.667023] 342853 pages reserved
[  380.671069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.675098] 0 pages cma reserved
[  380.679328]  ? should_fail+0x22d/0xd01
[  380.682822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.688259]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.688277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.691704] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.695514]  ? __lock_acquire+0x62f/0x4c20
[  380.701978] ksoftirqd/0 cpuset=/ mems_allowed=0
[  380.707242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.736555]  ? __lock_acquire+0x62f/0x4c20
[  380.740795]  ? should_fail+0x22d/0xd01
[  380.744680]  ? rcu_irq_exit+0x1a2/0x390
[  380.748662]  ? mark_held_locks+0x130/0x130
[  380.752896]  ? mark_held_locks+0x130/0x130
[  380.757299]  ? mark_held_locks+0xc7/0x130
[  380.761438]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  380.766445]  ? zap_class+0x640/0x640
[  380.770151]  ? print_usage_bug+0xc0/0xc0
[  380.774206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.779744]  ? check_preemption_disabled+0x48/0x280
[  380.784754]  ? __lock_is_held+0xb5/0x140
[  380.788810]  __alloc_pages_nodemask+0xad8/0xea0
[  380.793468]  ? zap_class+0x640/0x640
[  380.797176]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  380.802194]  ? find_held_lock+0x36/0x1c0
[  380.806257]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.810929]  ? lock_downgrade+0x900/0x900
[  380.815095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.820629]  cache_grow_begin+0xa5/0x8c0
[  380.824684]  ? do_raw_spin_unlock+0xa7/0x330
[  380.829105]  fallback_alloc+0x204/0x2e0
[  380.833100]  ____cache_alloc_node+0x1c7/0x1e0
[  380.837592]  kmem_cache_alloc_node+0xe3/0x730
[  380.842083]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.846329]  __alloc_skb+0x119/0x770
[  380.850033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.855306]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.859720]  ? lock_downgrade+0x900/0x900
[  380.863868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.869397]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.874851]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.880309]  ? addrconf_rs_timer+0x690/0x690
[  380.884719]  ndisc_alloc_skb+0x144/0x340
[  380.888784]  ndisc_send_rs+0x331/0x6e0
[  380.892670]  addrconf_rs_timer+0x314/0x690
[  380.896898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.901129]  call_timer_fn+0x272/0x920
[  380.905007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.909228]  ? process_timeout+0x40/0x40
[  380.913281]  ? __run_timers+0x7da/0xc70
[  380.917248]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.921726]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.926209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.930432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.935004]  ? trace_hardirqs_on+0xbd/0x310
[  380.939312]  ? kasan_check_read+0x11/0x20
[  380.943444]  ? __run_timers+0x7da/0xc70
[  380.947404]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.952511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.956737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.960959]  __run_timers+0x7e5/0xc70
[  380.964756]  ? timer_fixup_init+0x70/0x70
[  380.968926]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.973932]  ? zap_class+0x640/0x640
[  380.977644]  ? enqueue_hrtimer+0x1a5/0x560
[  380.981875]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.987063]  ? find_held_lock+0x36/0x1c0
[  380.991128]  ? zap_class+0x640/0x640
[  380.994836]  ? pvclock_read_flags+0x160/0x160
[  380.999323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.004861]  ? check_preemption_disabled+0x48/0x280
[  381.009874]  ? __lock_is_held+0xb5/0x140
[  381.013937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.019460]  ? check_preemption_disabled+0x48/0x280
[  381.024466]  run_timer_softirq+0x52/0xb0
[  381.028515]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.033538]  __do_softirq+0x308/0xb7e
[  381.037328]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.041831]  ? lock_downgrade+0x900/0x900
[  381.045972]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.051067]  ? pvclock_read_flags+0x160/0x160
[  381.055554]  ? lapic_next_event+0x5a/0x90
[  381.059692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.065226]  ? kvm_clock_read+0x18/0x30
[  381.069275]  ? kvm_sched_clock_read+0x9/0x20
[  381.073674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.079204]  ? check_preemption_disabled+0x48/0x280
[  381.084341]  irq_exit+0x17f/0x1c0
[  381.087789]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.092620]  ? smp_reschedule_interrupt+0x109/0x650
[  381.097628]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.103497]  ? interrupt_entry+0xb5/0xc0
[  381.107556]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.112561]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.117565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.122500]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.127504]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.132509]  ? task_prio+0x50/0x50
[  381.136052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.141576]  ? check_preemption_disabled+0x48/0x280
[  381.146582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.151417]  apic_timer_interrupt+0xf/0x20
[  381.155632]  </IRQ>
[  381.157862] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  381.162784] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  381.181689] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  381.189385] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  381.196642] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  381.203914] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  381.211286] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  381.218543] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  381.225828]  skb_clone+0x1bb/0x500
[  381.229362]  ? finish_task_switch+0x2f4/0x910
[  381.233850]  ? skb_split+0x11e0/0x11e0
[  381.237766]  ? preempt_notifier_register+0x200/0x200
[  381.242859]  ? __switch_to_asm+0x34/0x70
[  381.246921]  ? __switch_to_asm+0x34/0x70
[  381.250969]  ? __switch_to_asm+0x40/0x70
[  381.255031]  ? __switch_to_asm+0x34/0x70
[  381.259079]  ? __switch_to_asm+0x40/0x70
[  381.263128]  ? __switch_to_asm+0x34/0x70
[  381.267179]  ? __switch_to_asm+0x40/0x70
[  381.271246]  ? __switch_to_asm+0x34/0x70
[  381.275309]  ? __switch_to_asm+0x34/0x70
[  381.279357]  ? __switch_to_asm+0x40/0x70
[  381.283412]  ? __switch_to_asm+0x34/0x70
[  381.287470]  bpf_clone_redirect+0xb9/0x490
[  381.291693]  ? __schedule+0x8d7/0x21d0
[  381.295576]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  381.300583]  ? __sched_text_start+0x8/0x8
[  381.304720]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  381.309484]  ? find_held_lock+0x36/0x1c0
[  381.313561]  ? lock_acquire+0x1ed/0x520
[  381.317528]  ? bpf_test_run+0x3ee/0x7a0
[  381.321489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.327015]  ? check_preemption_disabled+0x48/0x280
[  381.332132]  ? kasan_check_read+0x11/0x20
[  381.336274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.341557]  ? rcu_softirq_qs+0x20/0x20
[  381.345523]  ? preempt_schedule+0x4d/0x60
[  381.349661]  ? ___preempt_schedule+0x16/0x18
[  381.354175]  ? bpf_test_run+0x271/0x7a0
[  381.358153]  ? netlink_diag_dump+0x2a0/0x2a0
[  381.362571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.368100]  ? bpf_test_init.isra.10+0x70/0x100
[  381.372781]  ? bpf_prog_test_run_skb+0x762/0xd60
[  381.377569]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  381.382424]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.387960]  ? fput+0x130/0x1a0
[  381.391270]  ? __bpf_prog_get+0x9b/0x290
[  381.395329]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  381.400271]  ? bpf_prog_test_run+0x130/0x1a0
[  381.404676]  ? __x64_sys_bpf+0x3d8/0x520
[  381.408739]  ? bpf_prog_get+0x20/0x20
[  381.412567]  ? do_syscall_64+0x1b9/0x820
[  381.416620]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  381.421992]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.426935]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.431884]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.436891]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  381.441897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.447425]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.452436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.457278]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  381.462644] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  381.462715] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.469473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.469480] Call Trace:
[  381.476026] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.485307]  dump_stack+0x244/0x39d
[  381.487862] syz-executor5 cpuset=syz5 mems_allowed=0
[  381.498346]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.512209]  warn_alloc.cold.116+0xb7/0x1bd
[  381.516522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.521362]  ? lock_downgrade+0x900/0x900
[  381.525525]  ? trace_hardirqs_off+0xb8/0x310
[  381.529951]  ? trace_hardirqs_off+0xb8/0x310
[  381.534355]  __alloc_pages_slowpath+0x2651/0x2de0
[  381.539215]  ? warn_alloc+0x120/0x120
[  381.543010]  ? print_usage_bug+0xc0/0xc0
[  381.547069]  ? warn_alloc+0x120/0x120
[  381.550864]  ? warn_alloc+0x120/0x120
[  381.554656]  ? print_usage_bug+0xc0/0xc0
[  381.558720]  ? print_usage_bug+0xc0/0xc0
[  381.562775]  ? __lock_acquire+0x62f/0x4c20
[  381.567009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.572540]  ? should_fail+0x22d/0xd01
[  381.576420]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.581513]  ? __lock_acquire+0x62f/0x4c20
[  381.585757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.590852]  ? __lock_acquire+0x62f/0x4c20
[  381.595105]  ? should_fail+0x22d/0xd01
[  381.598993]  ? find_held_lock+0x36/0x1c0
[  381.603053]  ? mark_held_locks+0x130/0x130
[  381.607283]  ? mark_held_locks+0x130/0x130
[  381.611509]  ? zap_class+0x640/0x640
[  381.615221]  ? mark_held_locks+0xc7/0x130
[  381.619360]  ? do_raw_spin_unlock+0xa7/0x330
[  381.623760]  ? zap_class+0x640/0x640
[  381.627465]  ? print_usage_bug+0xc0/0xc0
[  381.631549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.637082]  ? check_preemption_disabled+0x48/0x280
[  381.642100]  ? __lock_is_held+0xb5/0x140
[  381.646154]  __alloc_pages_nodemask+0xad8/0xea0
[  381.650808]  ? zap_class+0x640/0x640
[  381.654526]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  381.659547]  ? find_held_lock+0x36/0x1c0
[  381.663611]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.668291]  ? lock_downgrade+0x900/0x900
[  381.672432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.677982]  cache_grow_begin+0xa5/0x8c0
[  381.682032]  ? do_raw_spin_unlock+0xa7/0x330
[  381.686447]  fallback_alloc+0x204/0x2e0
[  381.690415]  ____cache_alloc_node+0x1c7/0x1e0
[  381.694906]  kmem_cache_alloc_node+0xe3/0x730
[  381.699393]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.703627]  __alloc_skb+0x119/0x770
[  381.707332]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.712601]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.716998]  ? lock_downgrade+0x900/0x900
[  381.721143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.726671]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.732118]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.737561]  ? addrconf_rs_timer+0x690/0x690
[  381.741969]  ndisc_alloc_skb+0x144/0x340
[  381.746027]  ndisc_send_rs+0x331/0x6e0
[  381.749908]  addrconf_rs_timer+0x314/0x690
[  381.754134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.758373]  call_timer_fn+0x272/0x920
[  381.762256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.766483]  ? process_timeout+0x40/0x40
[  381.770558]  ? __run_timers+0x7da/0xc70
[  381.774525]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.779009]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.783489]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.787725]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.792297]  ? trace_hardirqs_on+0xbd/0x310
[  381.796610]  ? kasan_check_read+0x11/0x20
[  381.800838]  ? __run_timers+0x7da/0xc70
[  381.804806]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.809914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.814163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.818384]  __run_timers+0x7e5/0xc70
[  381.822186]  ? timer_fixup_init+0x70/0x70
[  381.826325]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.830813]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.835299]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.839870]  ? trace_hardirqs_on+0xbd/0x310
[  381.844181]  ? kasan_check_read+0x11/0x20
[  381.848338]  ? finish_task_switch+0x1f4/0x910
[  381.852828]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.857923]  ? compat_start_thread+0x80/0x80
[  381.862342]  ? pvclock_read_flags+0x160/0x160
[  381.866826]  ? __switch_to_asm+0x34/0x70
[  381.870882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.876414]  ? check_preemption_disabled+0x48/0x280
[  381.881430]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  381.886959]  ? rcu_pm_notify+0xc0/0xc0
[  381.890836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.896369]  ? check_preemption_disabled+0x48/0x280
[  381.901381]  run_timer_softirq+0x52/0xb0
[  381.905431]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.910465]  __do_softirq+0x308/0xb7e
[  381.914264]  ? retint_kernel+0x2d/0x2d
[  381.918143]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.923233]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.928669]  ? retint_kernel+0x2d/0x2d
[  381.932564]  ? schedule+0x108/0x460
[  381.936188]  ? trace_hardirqs_off+0xb8/0x310
[  381.940589]  ? smpboot_thread_fn+0x68b/0xa00
[  381.944990]  ? trace_hardirqs_on+0x310/0x310
[  381.949510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.955048]  ? check_preemption_disabled+0x48/0x280
[  381.960069]  ? takeover_tasklets+0xa90/0xa90
[  381.964466]  run_ksoftirqd+0x5e/0x100
[  381.968260]  smpboot_thread_fn+0x68b/0xa00
[  381.972493]  ? sort_range+0x30/0x30
[  381.976116]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.981301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.986966]  ? __kthread_parkme+0xfb/0x1a0
[  381.991206]  ? sort_range+0x30/0x30
[  381.994825]  kthread+0x35a/0x440
[  381.998181]  ? kthread_stop+0x900/0x900
[  382.002160]  ret_from_fork+0x3a/0x50
[  382.005876] warn_alloc_show_mem: 1 callbacks suppressed
[  382.005885] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  382.005886] Mem-Info:
[  382.005914] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  382.005914]  active_file:17 inactive_file:17 isolated_file:0
[  382.005914]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.005914]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  382.005914]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  382.005914]  free:13768 free_pcp:279 free_cma:0
[  382.011265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.011271] Call Trace:
[  382.018637] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.021022]  <IRQ>
[  382.054285] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  382.063628]  dump_stack+0x244/0x39d
[  382.066177] lowmem_reserve[]: 0 2818 6321 6321
[  382.093843]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.095960] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  382.122058]  warn_alloc.cold.116+0xb7/0x1bd
[  382.125647] lowmem_reserve[]: 0 0 3503 3503
[  382.130229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.135388] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  382.162781]  ? lock_downgrade+0x900/0x900
[  382.167064] lowmem_reserve[]: 0 0 0 0
[  382.171396]  ? trace_hardirqs_off+0xb8/0x310
[  382.176204] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  382.205252]  ? trace_hardirqs_off+0xb8/0x310
[  382.209366] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  382.213273]  __alloc_pages_slowpath+0x2651/0x2de0
[  382.217645] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  382.231195]  ? warn_alloc+0x120/0x120
[  382.235567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.250731]  ? print_usage_bug+0xc0/0xc0
[  382.255547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.270264]  ? warn_alloc+0x120/0x120
[  382.274033] 1758 total pagecache pages
[  382.282848]  ? warn_alloc+0x120/0x120
[  382.286881] 0 pages in swap cache
[  382.295433]  ? print_usage_bug+0xc0/0xc0
[  382.299205] Swap cache stats: add 0, delete 0, find 0/0
[  382.303068]  ? kvm_clock_read+0x18/0x30
[  382.306832] Free swap  = 0kB
[  382.310267]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  382.314473] Total swap = 0kB
[  382.319818]  ? print_usage_bug+0xc0/0xc0
[  382.323761] 1965979 pages RAM
[  382.326767]  ? __lock_acquire+0x62f/0x4c20
[  382.331749] 0 pages HighMem/MovableOnly
[  382.331756] 342853 pages reserved
[  382.334765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.338808] 0 pages cma reserved
[  382.341900]  ? should_fail+0x22d/0xd01
[  382.346181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.350078]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.350094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.353601] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.359046]  ? __lock_acquire+0x62f/0x4c20
[  382.362490] ksoftirqd/0 cpuset=/ mems_allowed=0
[  382.366384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.407530]  ? __lock_acquire+0x62f/0x4c20
[  382.411870]  ? should_fail+0x22d/0xd01
[  382.415747]  ? rcu_irq_exit+0x1a2/0x390
[  382.419740]  ? mark_held_locks+0x130/0x130
[  382.423969]  ? mark_held_locks+0x130/0x130
[  382.428215]  ? mark_held_locks+0xc7/0x130
[  382.432359]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  382.437366]  ? zap_class+0x640/0x640
[  382.441083]  ? print_usage_bug+0xc0/0xc0
[  382.445140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.450679]  ? check_preemption_disabled+0x48/0x280
[  382.455890]  ? __lock_is_held+0xb5/0x140
[  382.459948]  __alloc_pages_nodemask+0xad8/0xea0
[  382.464603]  ? zap_class+0x640/0x640
[  382.468309]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  382.473329]  ? find_held_lock+0x36/0x1c0
[  382.477394]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.482055]  ? lock_downgrade+0x900/0x900
[  382.486203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.491732]  cache_grow_begin+0xa5/0x8c0
[  382.495788]  ? do_raw_spin_unlock+0xa7/0x330
[  382.500211]  fallback_alloc+0x204/0x2e0
[  382.504181]  ____cache_alloc_node+0x1c7/0x1e0
[  382.508670]  kmem_cache_alloc_node+0xe3/0x730
[  382.513172]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.517416]  __alloc_skb+0x119/0x770
[  382.521133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.526415]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.530814]  ? lock_downgrade+0x900/0x900
[  382.534959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.540490]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.545940]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.551394]  ? addrconf_rs_timer+0x690/0x690
[  382.555804]  ndisc_alloc_skb+0x144/0x340
[  382.559855]  ndisc_send_rs+0x331/0x6e0
[  382.563743]  addrconf_rs_timer+0x314/0x690
[  382.567973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.572206]  call_timer_fn+0x272/0x920
[  382.576092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.580320]  ? process_timeout+0x40/0x40
[  382.584486]  ? __run_timers+0x7da/0xc70
[  382.588567]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.593085]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.597577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.601808]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.606382]  ? trace_hardirqs_on+0xbd/0x310
[  382.610704]  ? kasan_check_read+0x11/0x20
[  382.614841]  ? __run_timers+0x7da/0xc70
[  382.619192]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.624305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.628536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.632762]  __run_timers+0x7e5/0xc70
[  382.636558]  ? timer_fixup_init+0x70/0x70
[  382.640697]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.645702]  ? zap_class+0x640/0x640
[  382.649408]  ? enqueue_hrtimer+0x1a5/0x560
[  382.653639]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.658846]  ? find_held_lock+0x36/0x1c0
[  382.662921]  ? zap_class+0x640/0x640
[  382.666648]  ? pvclock_read_flags+0x160/0x160
[  382.671139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.676669]  ? check_preemption_disabled+0x48/0x280
[  382.681684]  ? __lock_is_held+0xb5/0x140
[  382.685735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.691263]  ? check_preemption_disabled+0x48/0x280
[  382.696271]  run_timer_softirq+0x52/0xb0
[  382.700321]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.705331]  __do_softirq+0x308/0xb7e
[  382.709136]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.713631]  ? lock_downgrade+0x900/0x900
[  382.717799]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.722912]  ? pvclock_read_flags+0x160/0x160
[  382.727396]  ? lapic_next_event+0x5a/0x90
[  382.731662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.737211]  ? kvm_clock_read+0x18/0x30
[  382.741176]  ? kvm_sched_clock_read+0x9/0x20
[  382.745577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.751132]  ? check_preemption_disabled+0x48/0x280
[  382.756169]  irq_exit+0x17f/0x1c0
[  382.759622]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.764458]  ? smp_reschedule_interrupt+0x109/0x650
[  382.769478]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.775362]  ? interrupt_entry+0xb5/0xc0
[  382.779431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.784439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.789461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.794293]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.799322]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.804331]  ? task_prio+0x50/0x50
[  382.807862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.813404]  ? check_preemption_disabled+0x48/0x280
[  382.818433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.823272]  apic_timer_interrupt+0xf/0x20
[  382.827491]  </IRQ>
[  382.829721] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  382.834642] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  382.853624] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.861318] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.868575] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  382.875835] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  382.883094] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  382.890352] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  382.897639]  skb_clone+0x1bb/0x500
[  382.901172]  ? finish_task_switch+0x2f4/0x910
[  382.905661]  ? skb_split+0x11e0/0x11e0
[  382.909562]  ? preempt_notifier_register+0x200/0x200
[  382.914663]  ? __switch_to_asm+0x34/0x70
[  382.918714]  ? __switch_to_asm+0x34/0x70
[  382.922761]  ? __switch_to_asm+0x40/0x70
[  382.926805]  ? __switch_to_asm+0x34/0x70
[  382.930849]  ? __switch_to_asm+0x40/0x70
[  382.934908]  ? __switch_to_asm+0x34/0x70
[  382.938967]  ? __switch_to_asm+0x40/0x70
[  382.943016]  ? __switch_to_asm+0x34/0x70
[  382.947154]  ? __switch_to_asm+0x34/0x70
[  382.951203]  ? __switch_to_asm+0x40/0x70
[  382.955280]  ? __switch_to_asm+0x34/0x70
[  382.959348]  bpf_clone_redirect+0xb9/0x490
[  382.963581]  ? __schedule+0x8d7/0x21d0
[  382.967474]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  382.972478]  ? __sched_text_start+0x8/0x8
[  382.976615]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.981370]  ? find_held_lock+0x36/0x1c0
[  382.985425]  ? lock_acquire+0x1ed/0x520
[  382.989388]  ? bpf_test_run+0x3ee/0x7a0
[  382.993352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.998879]  ? check_preemption_disabled+0x48/0x280
[  383.003895]  ? kasan_check_read+0x11/0x20
[  383.008034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.013318]  ? rcu_softirq_qs+0x20/0x20
[  383.017283]  ? preempt_schedule+0x4d/0x60
[  383.021422]  ? ___preempt_schedule+0x16/0x18
[  383.025840]  ? bpf_test_run+0x271/0x7a0
[  383.029815]  ? netlink_diag_dump+0x2a0/0x2a0
[  383.034303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.039832]  ? bpf_test_init.isra.10+0x70/0x100
[  383.044497]  ? bpf_prog_test_run_skb+0x762/0xd60
[  383.049273]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.054128]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.059661]  ? fput+0x130/0x1a0
[  383.062933]  ? __bpf_prog_get+0x9b/0x290
[  383.066988]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.071823]  ? bpf_prog_test_run+0x130/0x1a0
[  383.076236]  ? __x64_sys_bpf+0x3d8/0x520
[  383.080289]  ? bpf_prog_get+0x20/0x20
[  383.084107]  ? do_syscall_64+0x1b9/0x820
[  383.088159]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  383.093519]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.098443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.103283]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.108290]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  383.113296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.118826]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.123852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.128706]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  383.134120] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  383.134194] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.140957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.140961] Call Trace:
[  383.140976]  dump_stack+0x244/0x39d
[  383.140993]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.148562] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.156831]  warn_alloc.cold.116+0xb7/0x1bd
[  383.159387] syz-executor5 cpuset=syz5 mems_allowed=0
[  383.163003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.192990]  ? lock_downgrade+0x900/0x900
[  383.197132]  ? trace_hardirqs_off+0xb8/0x310
[  383.201536]  ? trace_hardirqs_off+0xb8/0x310
[  383.205939]  __alloc_pages_slowpath+0x2651/0x2de0
[  383.210792]  ? warn_alloc+0x120/0x120
[  383.214593]  ? print_usage_bug+0xc0/0xc0
[  383.218644]  ? warn_alloc+0x120/0x120
[  383.222435]  ? warn_alloc+0x120/0x120
[  383.226223]  ? print_usage_bug+0xc0/0xc0
[  383.230294]  ? print_usage_bug+0xc0/0xc0
[  383.234362]  ? __lock_acquire+0x62f/0x4c20
[  383.238596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.244132]  ? should_fail+0x22d/0xd01
[  383.248013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.253104]  ? __lock_acquire+0x62f/0x4c20
[  383.257332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.262459]  ? __lock_acquire+0x62f/0x4c20
[  383.266682]  ? should_fail+0x22d/0xd01
[  383.270567]  ? find_held_lock+0x36/0x1c0
[  383.274642]  ? mark_held_locks+0x130/0x130
[  383.278884]  ? mark_held_locks+0x130/0x130
[  383.283110]  ? zap_class+0x640/0x640
[  383.286832]  ? mark_held_locks+0xc7/0x130
[  383.290986]  ? do_raw_spin_unlock+0xa7/0x330
[  383.295382]  ? zap_class+0x640/0x640
[  383.299100]  ? print_usage_bug+0xc0/0xc0
[  383.303174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.308706]  ? check_preemption_disabled+0x48/0x280
[  383.313723]  ? __lock_is_held+0xb5/0x140
[  383.317789]  __alloc_pages_nodemask+0xad8/0xea0
[  383.322450]  ? zap_class+0x640/0x640
[  383.326159]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  383.331193]  ? find_held_lock+0x36/0x1c0
[  383.335251]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.339910]  ? lock_downgrade+0x900/0x900
[  383.344055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.349597]  cache_grow_begin+0xa5/0x8c0
[  383.353651]  ? do_raw_spin_unlock+0xa7/0x330
[  383.358063]  fallback_alloc+0x204/0x2e0
[  383.362033]  ____cache_alloc_node+0x1c7/0x1e0
[  383.366522]  kmem_cache_alloc_node+0xe3/0x730
[  383.371019]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.375271]  __alloc_skb+0x119/0x770
[  383.378980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.384252]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.388648]  ? lock_downgrade+0x900/0x900
[  383.392793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.398322]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.403767]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.409207]  ? addrconf_rs_timer+0x690/0x690
[  383.413628]  ndisc_alloc_skb+0x144/0x340
[  383.417791]  ndisc_send_rs+0x331/0x6e0
[  383.421690]  addrconf_rs_timer+0x314/0x690
[  383.425921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.430159]  call_timer_fn+0x272/0x920
[  383.434038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.438364]  ? process_timeout+0x40/0x40
[  383.442440]  ? __run_timers+0x7da/0xc70
[  383.446402]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.450884]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.455366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.459592]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.464166]  ? trace_hardirqs_on+0xbd/0x310
[  383.468495]  ? kasan_check_read+0x11/0x20
[  383.472633]  ? __run_timers+0x7da/0xc70
[  383.476611]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.481710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.485937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.490162]  __run_timers+0x7e5/0xc70
[  383.493967]  ? timer_fixup_init+0x70/0x70
[  383.498112]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.502599]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.507099]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.511681]  ? trace_hardirqs_on+0xbd/0x310
[  383.515997]  ? kasan_check_read+0x11/0x20
[  383.520147]  ? finish_task_switch+0x1f4/0x910
[  383.524642]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.529749]  ? compat_start_thread+0x80/0x80
[  383.534209]  ? pvclock_read_flags+0x160/0x160
[  383.538706]  ? __switch_to_asm+0x34/0x70
[  383.542768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.548300]  ? check_preemption_disabled+0x48/0x280
[  383.553318]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  383.558848]  ? rcu_pm_notify+0xc0/0xc0
[  383.562725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.568254]  ? check_preemption_disabled+0x48/0x280
[  383.573268]  run_timer_softirq+0x52/0xb0
[  383.577324]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.582345]  __do_softirq+0x308/0xb7e
[  383.586141]  ? retint_kernel+0x2d/0x2d
[  383.590037]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.595137]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.600578]  ? retint_kernel+0x2d/0x2d
[  383.604461]  ? schedule+0x108/0x460
[  383.608101]  ? trace_hardirqs_off+0xb8/0x310
[  383.612506]  ? smpboot_thread_fn+0x68b/0xa00
[  383.616912]  ? trace_hardirqs_on+0x310/0x310
[  383.621314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.626845]  ? check_preemption_disabled+0x48/0x280
[  383.631854]  ? takeover_tasklets+0xa90/0xa90
[  383.636262]  run_ksoftirqd+0x5e/0x100
[  383.640054]  smpboot_thread_fn+0x68b/0xa00
[  383.644285]  ? sort_range+0x30/0x30
[  383.647901]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.652997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.658535]  ? __kthread_parkme+0xfb/0x1a0
[  383.662783]  ? sort_range+0x30/0x30
[  383.666403]  kthread+0x35a/0x440
[  383.669798]  ? kthread_stop+0x900/0x900
[  383.673882]  ret_from_fork+0x3a/0x50
[  383.677612] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  383.677616] warn_alloc_show_mem: 1 callbacks suppressed
[  383.677622] Mem-Info:
[  383.684972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.690330] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  383.690330]  active_file:17 inactive_file:17 isolated_file:0
[  383.690330]  unevictable:0 dirty:0 writeback:0 unstable:0
[  383.690330]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  383.690330]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  383.690330]  free:13768 free_pcp:279 free_cma:0
[  383.692697] Call Trace:
[  383.702064] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  383.735086]  <IRQ>
[  383.737651] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  383.765397]  dump_stack+0x244/0x39d
[  383.767514] lowmem_reserve[]: 0 2818 6321 6321
[  383.793622]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.797214] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  383.801798]  warn_alloc.cold.116+0xb7/0x1bd
[  383.806949] lowmem_reserve[]: 0 0 3503 3503
[  383.834529]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.838830] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  383.843224]  ? lock_downgrade+0x900/0x900
[  383.848027] lowmem_reserve[]: 0 0 0 0
[  383.877099]  ? trace_hardirqs_off+0xb8/0x310
[  383.881210] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  383.885010]  ? trace_hardirqs_off+0xb8/0x310
[  383.889384] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  383.903003]  __alloc_pages_slowpath+0x2651/0x2de0
[  383.907375] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  383.922559]  ? warn_alloc+0x120/0x120
[  383.927355] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  383.942067]  ? __lock_acquire+0x62f/0x4c20
[  383.945840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  383.954651]  ? warn_alloc+0x120/0x120
[  383.958855] 1758 total pagecache pages
[  383.967409]  ? warn_alloc+0x120/0x120
[  383.971179] 0 pages in swap cache
[  383.975040]  ? print_usage_bug+0xc0/0xc0
[  383.978829] Swap cache stats: add 0, delete 0, find 0/0
[  383.982261]  ? print_usage_bug+0xc0/0xc0
[  383.986288] Free swap  = 0kB
[  383.991632]  ? lock_downgrade+0x900/0x900
[  383.995672] Total swap = 0kB
[  383.998676]  ? check_preemption_disabled+0x48/0x280
[  384.002812] 1965979 pages RAM
[  384.005818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.010798] 0 pages HighMem/MovableOnly
[  384.013929]  ? should_fail+0x22d/0xd01
[  384.019540] 342853 pages reserved
[  384.019547] 0 pages cma reserved
[  384.023511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.027502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.030860]  ? __lock_acquire+0x62f/0x4c20
[  384.030876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.030890]  ? __lock_acquire+0x62f/0x4c20
[  384.034292] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.039322]  ? should_fail+0x22d/0xd01
[  384.045791] ksoftirqd/0 cpuset=/ mems_allowed=0
[  384.050021]  ? mark_held_locks+0x130/0x130
[  384.082466]  ? mark_held_locks+0x130/0x130
[  384.086705]  ? try_to_wake_up+0x11c/0x1440
[  384.090950]  ? lock_downgrade+0x900/0x900
[  384.095095]  ? zap_class+0x640/0x640
[  384.098801]  ? print_usage_bug+0xc0/0xc0
[  384.102852]  ? trace_hardirqs_off+0xb8/0x310
[  384.107254]  ? kasan_check_read+0x11/0x20
[  384.111395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.116935]  ? check_preemption_disabled+0x48/0x280
[  384.121948]  ? __lock_is_held+0xb5/0x140
[  384.126022]  __alloc_pages_nodemask+0xad8/0xea0
[  384.130679]  ? zap_class+0x640/0x640
[  384.134384]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  384.139395]  ? find_held_lock+0x36/0x1c0
[  384.143456]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.148130]  ? lock_downgrade+0x900/0x900
[  384.152275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.157821]  cache_grow_begin+0xa5/0x8c0
[  384.161869]  ? do_raw_spin_unlock+0xa7/0x330
[  384.166271]  fallback_alloc+0x204/0x2e0
[  384.170236]  ____cache_alloc_node+0x1c7/0x1e0
[  384.174746]  kmem_cache_alloc_node+0xe3/0x730
[  384.179250]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.183505]  __alloc_skb+0x119/0x770
[  384.187212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.192511]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.196918]  ? lock_downgrade+0x900/0x900
[  384.201057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.206586]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.212027]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.217463]  ? addrconf_rs_timer+0x690/0x690
[  384.221873]  ndisc_alloc_skb+0x144/0x340
[  384.225927]  ndisc_send_rs+0x331/0x6e0
[  384.229811]  addrconf_rs_timer+0x314/0x690
[  384.234036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.238268]  call_timer_fn+0x272/0x920
[  384.242147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.246368]  ? process_timeout+0x40/0x40
[  384.250427]  ? __run_timers+0x7da/0xc70
[  384.254407]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.258911]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.263397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.267639]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.272213]  ? trace_hardirqs_on+0xbd/0x310
[  384.276544]  ? kasan_check_read+0x11/0x20
[  384.280696]  ? __run_timers+0x7da/0xc70
[  384.284660]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.289764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.293990]  __run_timers+0x7e5/0xc70
[  384.297797]  ? timer_fixup_init+0x70/0x70
[  384.301934]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  384.306954]  ? zap_class+0x640/0x640
[  384.310682]  ? enqueue_hrtimer+0x1a5/0x560
[  384.314909]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  384.320094]  ? find_held_lock+0x36/0x1c0
[  384.324152]  ? zap_class+0x640/0x640
[  384.327880]  ? pvclock_read_flags+0x160/0x160
[  384.332368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.337908]  ? check_preemption_disabled+0x48/0x280
[  384.342923]  ? __lock_is_held+0xb5/0x140
[  384.346990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.352521]  ? check_preemption_disabled+0x48/0x280
[  384.357552]  run_timer_softirq+0x52/0xb0
[  384.361606]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.366611]  __do_softirq+0x308/0xb7e
[  384.370401]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.374882]  ? lock_downgrade+0x900/0x900
[  384.379026]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.384124]  ? pvclock_read_flags+0x160/0x160
[  384.388619]  ? lapic_next_event+0x5a/0x90
[  384.392759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.398295]  ? kvm_clock_read+0x18/0x30
[  384.402265]  ? kvm_sched_clock_read+0x9/0x20
[  384.406672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.412201]  ? check_preemption_disabled+0x48/0x280
[  384.417215]  irq_exit+0x17f/0x1c0
[  384.420658]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.425589]  ? smp_reschedule_interrupt+0x109/0x650
[  384.430595]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.436485]  ? interrupt_entry+0xb5/0xc0
[  384.440551]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.445570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.450575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.455770]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.460775]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.465783]  ? task_prio+0x50/0x50
[  384.469318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.474862]  ? check_preemption_disabled+0x48/0x280
[  384.479877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.484723]  apic_timer_interrupt+0xf/0x20
[  384.488945]  </IRQ>
[  384.491216] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  384.496139] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  384.515041] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.522745] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  384.530004] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  384.537262] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  384.544521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  384.551783] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  384.559170]  skb_clone+0x1bb/0x500
[  384.562704]  ? finish_task_switch+0x2f4/0x910
[  384.567204]  ? skb_split+0x11e0/0x11e0
[  384.571093]  ? preempt_notifier_register+0x200/0x200
[  384.576184]  ? __switch_to_asm+0x34/0x70
[  384.580241]  ? __switch_to_asm+0x34/0x70
[  384.584288]  ? __switch_to_asm+0x40/0x70
[  384.588337]  ? __switch_to_asm+0x34/0x70
[  384.592389]  ? __switch_to_asm+0x40/0x70
[  384.596523]  ? __switch_to_asm+0x34/0x70
[  384.600572]  ? __switch_to_asm+0x40/0x70
[  384.604622]  ? __switch_to_asm+0x34/0x70
[  384.608672]  ? __switch_to_asm+0x34/0x70
[  384.612722]  ? __switch_to_asm+0x40/0x70
[  384.616771]  ? __switch_to_asm+0x34/0x70
[  384.621292]  bpf_clone_redirect+0xb9/0x490
[  384.625523]  ? __schedule+0x8d7/0x21d0
[  384.629408]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  384.634416]  ? __sched_text_start+0x8/0x8
[  384.638567]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  384.643323]  ? find_held_lock+0x36/0x1c0
[  384.647382]  ? lock_acquire+0x1ed/0x520
[  384.651348]  ? bpf_test_run+0x3ee/0x7a0
[  384.655310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.660834]  ? check_preemption_disabled+0x48/0x280
[  384.665847]  ? kasan_check_read+0x11/0x20
[  384.669982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.675246]  ? rcu_softirq_qs+0x20/0x20
[  384.679350]  ? preempt_schedule+0x4d/0x60
[  384.683492]  ? ___preempt_schedule+0x16/0x18
[  384.687904]  ? bpf_test_run+0x271/0x7a0
[  384.691890]  ? netlink_diag_dump+0x2a0/0x2a0
[  384.696294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.701822]  ? bpf_test_init.isra.10+0x70/0x100
[  384.706489]  ? bpf_prog_test_run_skb+0x762/0xd60
[  384.711237]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  384.716070]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  384.721596]  ? fput+0x130/0x1a0
[  384.724882]  ? __bpf_prog_get+0x9b/0x290
[  384.728968]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  384.733797]  ? bpf_prog_test_run+0x130/0x1a0
[  384.738195]  ? __x64_sys_bpf+0x3d8/0x520
[  384.742250]  ? bpf_prog_get+0x20/0x20
[  384.746054]  ? do_syscall_64+0x1b9/0x820
[  384.750100]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  384.755457]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.760381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.765217]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.770221]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  384.775225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.780752]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.785776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.790613]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  384.795989] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  384.796063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.802821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.802825] Call Trace:
[  384.802842]  dump_stack+0x244/0x39d
[  384.802859]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.809373] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.818698]  warn_alloc.cold.116+0xb7/0x1bd
[  384.821247] syz-executor5 cpuset=syz5 mems_allowed=0
[  384.824861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.854711]  ? lock_downgrade+0x900/0x900
[  384.858853]  ? trace_hardirqs_off+0xb8/0x310
[  384.863258]  ? trace_hardirqs_off+0xb8/0x310
[  384.867665]  __alloc_pages_slowpath+0x2651/0x2de0
[  384.872531]  ? warn_alloc+0x120/0x120
[  384.876324]  ? print_usage_bug+0xc0/0xc0
[  384.880374]  ? warn_alloc+0x120/0x120
[  384.884171]  ? warn_alloc+0x120/0x120
[  384.887967]  ? print_usage_bug+0xc0/0xc0
[  384.892022]  ? print_usage_bug+0xc0/0xc0
[  384.896073]  ? __lock_acquire+0x62f/0x4c20
[  384.900303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.905830]  ? should_fail+0x22d/0xd01
[  384.909709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.914812]  ? __lock_acquire+0x62f/0x4c20
[  384.919037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.924142]  ? __lock_acquire+0x62f/0x4c20
[  384.928366]  ? should_fail+0x22d/0xd01
[  384.932247]  ? find_held_lock+0x36/0x1c0
[  384.936305]  ? mark_held_locks+0x130/0x130
[  384.940535]  ? mark_held_locks+0x130/0x130
[  384.944766]  ? zap_class+0x640/0x640
[  384.948476]  ? zap_class+0x640/0x640
[  384.952184]  ? print_usage_bug+0xc0/0xc0
[  384.956236]  ? do_raw_spin_unlock+0xa7/0x330
[  384.960635]  ? zap_class+0x640/0x640
[  384.964433]  ? print_usage_bug+0xc0/0xc0
[  384.968666]  ? wq_watchdog_touch+0x9c/0xfe
[  384.972898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.978440]  ? check_preemption_disabled+0x48/0x280
[  384.983455]  ? __lock_is_held+0xb5/0x140
[  384.987509]  __alloc_pages_nodemask+0xad8/0xea0
[  384.992165]  ? zap_class+0x640/0x640
[  384.995884]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  385.000899]  ? find_held_lock+0x36/0x1c0
[  385.004962]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.009620]  ? lock_downgrade+0x900/0x900
[  385.013765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.019294]  cache_grow_begin+0xa5/0x8c0
[  385.023338]  ? do_raw_spin_unlock+0xa7/0x330
[  385.027740]  fallback_alloc+0x204/0x2e0
[  385.031709]  ____cache_alloc_node+0x1c7/0x1e0
[  385.036197]  kmem_cache_alloc_node+0xe3/0x730
[  385.040685]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.044920]  __alloc_skb+0x119/0x770
[  385.048636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.053903]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.058324]  ? lock_downgrade+0x900/0x900
[  385.062466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.067991]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.073450]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.078906]  ? addrconf_rs_timer+0x690/0x690
[  385.083323]  ndisc_alloc_skb+0x144/0x340
[  385.087392]  ndisc_send_rs+0x331/0x6e0
[  385.091296]  addrconf_rs_timer+0x314/0x690
[  385.095534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.099766]  call_timer_fn+0x272/0x920
[  385.103641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.107863]  ? process_timeout+0x40/0x40
[  385.111917]  ? __run_timers+0x7da/0xc70
[  385.115881]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.120365]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.124851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.129079]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.133652]  ? trace_hardirqs_on+0xbd/0x310
[  385.137965]  ? kasan_check_read+0x11/0x20
[  385.142116]  ? __run_timers+0x7da/0xc70
[  385.146094]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.151192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.155446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.159683]  __run_timers+0x7e5/0xc70
[  385.163483]  ? timer_fixup_init+0x70/0x70
[  385.167620]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.172108]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.176601]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.181176]  ? trace_hardirqs_on+0xbd/0x310
[  385.185498]  ? kasan_check_read+0x11/0x20
[  385.189646]  ? finish_task_switch+0x1f4/0x910
[  385.194134]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.199233]  ? compat_start_thread+0x80/0x80
[  385.203671]  ? pvclock_read_flags+0x160/0x160
[  385.208170]  ? __switch_to_asm+0x34/0x70
[  385.212227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.217759]  ? check_preemption_disabled+0x48/0x280
[  385.222784]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  385.228317]  ? rcu_pm_notify+0xc0/0xc0
[  385.232201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.237748]  ? check_preemption_disabled+0x48/0x280
[  385.242763]  run_timer_softirq+0x52/0xb0
[  385.246835]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.251846]  __do_softirq+0x308/0xb7e
[  385.255640]  ? retint_kernel+0x2d/0x2d
[  385.259525]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.264620]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  385.270062]  ? retint_kernel+0x2d/0x2d
[  385.273950]  ? schedule+0x108/0x460
[  385.277584]  ? trace_hardirqs_off+0xb8/0x310
[  385.281989]  ? smpboot_thread_fn+0x68b/0xa00
[  385.286409]  ? trace_hardirqs_on+0x310/0x310
[  385.290812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.296344]  ? check_preemption_disabled+0x48/0x280
[  385.301350]  ? takeover_tasklets+0xa90/0xa90
[  385.305764]  run_ksoftirqd+0x5e/0x100
[  385.309551]  smpboot_thread_fn+0x68b/0xa00
[  385.313781]  ? sort_range+0x30/0x30
[  385.317413]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.322507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.328052]  ? __kthread_parkme+0xfb/0x1a0
[  385.332396]  ? sort_range+0x30/0x30
[  385.336011]  kthread+0x35a/0x440
[  385.339366]  ? kthread_stop+0x900/0x900
[  385.343343]  ret_from_fork+0x3a/0x50
[  385.347058] warn_alloc_show_mem: 1 callbacks suppressed
[  385.347067] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  385.347068] Mem-Info:
[  385.347098] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  385.347098]  active_file:17 inactive_file:17 isolated_file:0
[  385.347098]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.347098]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  385.347098]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  385.347098]  free:13768 free_pcp:279 free_cma:0
[  385.352530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.359881] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.362266] Call Trace:
[  385.395313] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  385.404653]  <IRQ>
[  385.432304] lowmem_reserve[]: 0 2818 6321 6321
[  385.434878]  dump_stack+0x244/0x39d
[  385.461398] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  385.463538]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.468082] lowmem_reserve[]: 0 0 3503 3503
[  385.471697]  warn_alloc.cold.116+0xb7/0x1bd
[  385.499080] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  385.504255]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.508544] lowmem_reserve[]: 0 0 0 0
[  385.512855]  ? lock_downgrade+0x900/0x900
[  385.541970] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  385.546802]  ? trace_hardirqs_off+0xb8/0x310
[  385.550565] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  385.554700]  ? trace_hardirqs_off+0xb8/0x310
[  385.568203] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  385.572602]  __alloc_pages_slowpath+0x2651/0x2de0
[  385.587832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.592236]  ? warn_alloc+0x120/0x120
[  385.606930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.611752]  ? print_usage_bug+0xc0/0xc0
[  385.620556] 1758 total pagecache pages
[  385.624344]  ? warn_alloc+0x120/0x120
[  385.632901] 0 pages in swap cache
[  385.636943]  ? warn_alloc+0x120/0x120
[  385.640799] Swap cache stats: add 0, delete 0, find 0/0
[  385.644584]  ? print_usage_bug+0xc0/0xc0
[  385.648005] Free swap  = 0kB
[  385.651787]  ? print_usage_bug+0xc0/0xc0
[  385.657116] Total swap = 0kB
[  385.661165]  ? __lock_acquire+0x62f/0x4c20
[  385.664167] 1965979 pages RAM
[  385.668212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.671197] 0 pages HighMem/MovableOnly
[  385.675413]  ? should_fail+0x22d/0xd01
[  385.678485] 342853 pages reserved
[  385.678492] 0 pages cma reserved
[  385.684445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.688456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.692260]  ? __lock_acquire+0x62f/0x4c20
[  385.692275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.692289]  ? __lock_acquire+0x62f/0x4c20
[  385.695764] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.699061]  ? should_fail+0x22d/0xd01
[  385.704133] ksoftirqd/0 cpuset=/ mems_allowed=0
[  385.710609]  ? find_held_lock+0x36/0x1c0
[  385.746986]  ? mark_held_locks+0x130/0x130
[  385.751215]  ? mark_held_locks+0x130/0x130
[  385.755526]  ? zap_class+0x640/0x640
[  385.759331]  ? zap_class+0x640/0x640
[  385.763045]  ? print_usage_bug+0xc0/0xc0
[  385.767103]  ? do_raw_spin_unlock+0xa7/0x330
[  385.771510]  ? zap_class+0x640/0x640
[  385.775213]  ? print_usage_bug+0xc0/0xc0
[  385.779366]  ? wq_watchdog_touch+0x9c/0xfe
[  385.783599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.789131]  ? check_preemption_disabled+0x48/0x280
[  385.794143]  ? __lock_is_held+0xb5/0x140
[  385.798212]  __alloc_pages_nodemask+0xad8/0xea0
[  385.802874]  ? zap_class+0x640/0x640
[  385.806669]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  385.811682]  ? find_held_lock+0x36/0x1c0
[  385.815743]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.820408]  ? lock_downgrade+0x900/0x900
[  385.824568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.830099]  cache_grow_begin+0xa5/0x8c0
[  385.834238]  ? do_raw_spin_unlock+0xa7/0x330
[  385.838669]  fallback_alloc+0x204/0x2e0
[  385.842640]  ____cache_alloc_node+0x1c7/0x1e0
[  385.847133]  kmem_cache_alloc_node+0xe3/0x730
[  385.851624]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.855868]  __alloc_skb+0x119/0x770
[  385.859574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.864852]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.869267]  ? lock_downgrade+0x900/0x900
[  385.873408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.878945]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.884389]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.889835]  ? addrconf_rs_timer+0x690/0x690
[  385.894243]  ndisc_alloc_skb+0x144/0x340
[  385.898299]  ndisc_send_rs+0x331/0x6e0
[  385.902194]  addrconf_rs_timer+0x314/0x690
[  385.906428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.910668]  call_timer_fn+0x272/0x920
[  385.914548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.918775]  ? process_timeout+0x40/0x40
[  385.922830]  ? __run_timers+0x7da/0xc70
[  385.926883]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.931365]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.935852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.940080]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.944659]  ? trace_hardirqs_on+0xbd/0x310
[  385.948983]  ? kasan_check_read+0x11/0x20
[  385.953122]  ? __run_timers+0x7da/0xc70
[  385.957086]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.962186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.966421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.970649]  __run_timers+0x7e5/0xc70
[  385.974461]  ? timer_fixup_init+0x70/0x70
[  385.978601]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.983611]  ? zap_class+0x640/0x640
[  385.987343]  ? enqueue_hrtimer+0x1a5/0x560
[  385.991574]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.996895]  ? find_held_lock+0x36/0x1c0
[  386.000951]  ? zap_class+0x640/0x640
[  386.004660]  ? pvclock_read_flags+0x160/0x160
[  386.009150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.014680]  ? check_preemption_disabled+0x48/0x280
[  386.019696]  ? __lock_is_held+0xb5/0x140
[  386.023761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.029291]  ? check_preemption_disabled+0x48/0x280
[  386.034305]  run_timer_softirq+0x52/0xb0
[  386.038361]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.043379]  __do_softirq+0x308/0xb7e
[  386.047174]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.051664]  ? lock_downgrade+0x900/0x900
[  386.055808]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.060909]  ? pvclock_read_flags+0x160/0x160
[  386.065391]  ? lapic_next_event+0x5a/0x90
[  386.069531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.075060]  ? kvm_clock_read+0x18/0x30
[  386.079023]  ? kvm_sched_clock_read+0x9/0x20
[  386.083427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.088955]  ? check_preemption_disabled+0x48/0x280
[  386.093969]  irq_exit+0x17f/0x1c0
[  386.097429]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.102260]  ? smp_reschedule_interrupt+0x109/0x650
[  386.107274]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.113150]  ? interrupt_entry+0xb5/0xc0
[  386.117199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.122200]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.127207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.132035]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.137035]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.142039]  ? task_prio+0x50/0x50
[  386.145570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.151199]  ? check_preemption_disabled+0x48/0x280
[  386.156211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.161048]  apic_timer_interrupt+0xf/0x20
[  386.165279]  </IRQ>
[  386.167516] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  386.172444] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  386.191341] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.199146] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  386.206402] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  386.213660] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  386.220926] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  386.228183] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  386.235489]  skb_clone+0x1bb/0x500
[  386.239029]  ? finish_task_switch+0x2f4/0x910
[  386.243514]  ? skb_split+0x11e0/0x11e0
[  386.247427]  ? preempt_notifier_register+0x200/0x200
[  386.252528]  ? __switch_to_asm+0x34/0x70
[  386.256579]  ? __switch_to_asm+0x34/0x70
[  386.260633]  ? __switch_to_asm+0x40/0x70
[  386.264685]  ? __switch_to_asm+0x34/0x70
[  386.268754]  ? __switch_to_asm+0x40/0x70
[  386.272799]  ? __switch_to_asm+0x34/0x70
[  386.276855]  ? __switch_to_asm+0x40/0x70
[  386.280926]  ? __switch_to_asm+0x34/0x70
[  386.284974]  ? __switch_to_asm+0x34/0x70
[  386.289030]  ? __switch_to_asm+0x40/0x70
[  386.293077]  ? __switch_to_asm+0x34/0x70
[  386.297135]  bpf_clone_redirect+0xb9/0x490
[  386.301364]  ? __schedule+0x8d7/0x21d0
[  386.305250]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  386.310261]  ? __sched_text_start+0x8/0x8
[  386.314403]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  386.319167]  ? find_held_lock+0x36/0x1c0
[  386.323237]  ? lock_acquire+0x1ed/0x520
[  386.327205]  ? bpf_test_run+0x3ee/0x7a0
[  386.331260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.336797]  ? check_preemption_disabled+0x48/0x280
[  386.341830]  ? kasan_check_read+0x11/0x20
[  386.345969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.351238]  ? rcu_softirq_qs+0x20/0x20
[  386.355204]  ? preempt_schedule+0x4d/0x60
[  386.359343]  ? ___preempt_schedule+0x16/0x18
[  386.363752]  ? bpf_test_run+0x271/0x7a0
[  386.367727]  ? netlink_diag_dump+0x2a0/0x2a0
[  386.372147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.377680]  ? bpf_test_init.isra.10+0x70/0x100
[  386.382346]  ? bpf_prog_test_run_skb+0x762/0xd60
[  386.387113]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  386.391956]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.397499]  ? fput+0x130/0x1a0
[  386.400774]  ? __bpf_prog_get+0x9b/0x290
[  386.404845]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  386.409693]  ? bpf_prog_test_run+0x130/0x1a0
[  386.414091]  ? __x64_sys_bpf+0x3d8/0x520
[  386.418143]  ? bpf_prog_get+0x20/0x20
[  386.421952]  ? do_syscall_64+0x1b9/0x820
[  386.425999]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  386.431357]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.436282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.441125]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.446133]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  386.451318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.456849]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.461855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.466693]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  386.472059] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  386.472128] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.478886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.478893] Call Trace:
[  386.485441] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.494706]  dump_stack+0x244/0x39d
[  386.497261] syz-executor5 cpuset=syz5 mems_allowed=0
[  386.507740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.521606]  warn_alloc.cold.116+0xb7/0x1bd
[  386.525917]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.530749]  ? lock_downgrade+0x900/0x900
[  386.534912]  ? trace_hardirqs_off+0xb8/0x310
[  386.539319]  ? trace_hardirqs_off+0xb8/0x310
[  386.543727]  __alloc_pages_slowpath+0x2651/0x2de0
[  386.548615]  ? warn_alloc+0x120/0x120
[  386.552407]  ? print_usage_bug+0xc0/0xc0
[  386.556459]  ? warn_alloc+0x120/0x120
[  386.560253]  ? warn_alloc+0x120/0x120
[  386.564054]  ? print_usage_bug+0xc0/0xc0
[  386.568112]  ? print_usage_bug+0xc0/0xc0
[  386.572180]  ? __lock_acquire+0x62f/0x4c20
[  386.576424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.581955]  ? should_fail+0x22d/0xd01
[  386.585836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.590936]  ? __lock_acquire+0x62f/0x4c20
[  386.595169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.600298]  ? __lock_acquire+0x62f/0x4c20
[  386.604526]  ? should_fail+0x22d/0xd01
[  386.608409]  ? find_held_lock+0x36/0x1c0
[  386.612468]  ? mark_held_locks+0x130/0x130
[  386.616697]  ? mark_held_locks+0x130/0x130
[  386.621095]  ? zap_class+0x640/0x640
[  386.624802]  ? zap_class+0x640/0x640
[  386.628521]  ? print_usage_bug+0xc0/0xc0
[  386.632596]  ? do_raw_spin_unlock+0xa7/0x330
[  386.636994]  ? zap_class+0x640/0x640
[  386.640695]  ? print_usage_bug+0xc0/0xc0
[  386.644747]  ? wq_watchdog_touch+0x9c/0xfe
[  386.649011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.654538]  ? check_preemption_disabled+0x48/0x280
[  386.659552]  ? __lock_is_held+0xb5/0x140
[  386.663612]  __alloc_pages_nodemask+0xad8/0xea0
[  386.668288]  ? zap_class+0x640/0x640
[  386.671995]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  386.677011]  ? find_held_lock+0x36/0x1c0
[  386.681070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.685734]  ? lock_downgrade+0x900/0x900
[  386.689978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.695520]  cache_grow_begin+0xa5/0x8c0
[  386.699569]  ? do_raw_spin_unlock+0xa7/0x330
[  386.703984]  fallback_alloc+0x204/0x2e0
[  386.707982]  ____cache_alloc_node+0x1c7/0x1e0
[  386.712473]  kmem_cache_alloc_node+0xe3/0x730
[  386.716964]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.721206]  __alloc_skb+0x119/0x770
[  386.724913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.730186]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.734609]  ? lock_downgrade+0x900/0x900
[  386.738758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.744305]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.749756]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.755202]  ? addrconf_rs_timer+0x690/0x690
[  386.759616]  ndisc_alloc_skb+0x144/0x340
[  386.763690]  ndisc_send_rs+0x331/0x6e0
[  386.767576]  addrconf_rs_timer+0x314/0x690
[  386.771905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.776142]  call_timer_fn+0x272/0x920
[  386.780019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.784251]  ? process_timeout+0x40/0x40
[  386.788322]  ? __run_timers+0x7da/0xc70
[  386.792302]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.796787]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.801275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.805506]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.810114]  ? trace_hardirqs_on+0xbd/0x310
[  386.814446]  ? kasan_check_read+0x11/0x20
[  386.818590]  ? __run_timers+0x7da/0xc70
[  386.822565]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.827853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.832087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.836310]  __run_timers+0x7e5/0xc70
[  386.840113]  ? timer_fixup_init+0x70/0x70
[  386.844267]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.848757]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.853250]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.857829]  ? trace_hardirqs_on+0xbd/0x310
[  386.862144]  ? kasan_check_read+0x11/0x20
[  386.866291]  ? finish_task_switch+0x1f4/0x910
[  386.870793]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.875904]  ? compat_start_thread+0x80/0x80
[  386.880318]  ? pvclock_read_flags+0x160/0x160
[  386.884802]  ? __switch_to_asm+0x34/0x70
[  386.888855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.894384]  ? check_preemption_disabled+0x48/0x280
[  386.899418]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  386.904963]  ? rcu_pm_notify+0xc0/0xc0
[  386.908939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.914489]  ? check_preemption_disabled+0x48/0x280
[  386.919519]  run_timer_softirq+0x52/0xb0
[  386.923583]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.928618]  __do_softirq+0x308/0xb7e
[  386.932416]  ? retint_kernel+0x2d/0x2d
[  386.936475]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.941570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.947007]  ? retint_kernel+0x2d/0x2d
[  386.950888]  ? schedule+0x108/0x460
[  386.954511]  ? trace_hardirqs_off+0xb8/0x310
[  386.958912]  ? smpboot_thread_fn+0x68b/0xa00
[  386.963313]  ? trace_hardirqs_on+0x310/0x310
[  386.967718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.973258]  ? check_preemption_disabled+0x48/0x280
[  386.978281]  ? takeover_tasklets+0xa90/0xa90
[  386.982681]  run_ksoftirqd+0x5e/0x100
[  386.986493]  smpboot_thread_fn+0x68b/0xa00
[  386.990745]  ? sort_range+0x30/0x30
[  386.994365]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.999462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.005007]  ? __kthread_parkme+0xfb/0x1a0
[  387.009248]  ? sort_range+0x30/0x30
[  387.012868]  kthread+0x35a/0x440
[  387.016236]  ? kthread_stop+0x900/0x900
[  387.020210]  ret_from_fork+0x3a/0x50
[  387.023959] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  387.023964] warn_alloc_show_mem: 1 callbacks suppressed
[  387.023969] Mem-Info:
[  387.031490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.031496] Call Trace:
[  387.036873] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  387.036873]  active_file:17 inactive_file:17 isolated_file:0
[  387.036873]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.036873]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  387.036873]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  387.036873]  free:13768 free_pcp:279 free_cma:0
[  387.039258]  <IRQ>
[  387.048610] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.051177]  dump_stack+0x244/0x39d
[  387.084191] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  387.086335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.113968] lowmem_reserve[]: 0 2818 6321 6321
[  387.117592]  warn_alloc.cold.116+0xb7/0x1bd
[  387.143672] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  387.148853]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.153411] lowmem_reserve[]: 0 0 3503 3503
[  387.157724]  ? lock_downgrade+0x900/0x900
[  387.185246] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  387.190083]  ? trace_hardirqs_off+0xb8/0x310
[  387.194366] lowmem_reserve[]: 0 0 0 0
[  387.198508]  ? trace_hardirqs_off+0xb8/0x310
[  387.227533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  387.231934]  __alloc_pages_slowpath+0x2651/0x2de0
[  387.235696] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  387.240113]  ? warn_alloc+0x120/0x120
[  387.253692] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  387.258534]  ? print_usage_bug+0xc0/0xc0
[  387.273679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.277457]  ? warn_alloc+0x120/0x120
[  387.292167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.296216]  ? warn_alloc+0x120/0x120
[  387.305035] 1758 total pagecache pages
[  387.308825]  ? print_usage_bug+0xc0/0xc0
[  387.317372] 0 pages in swap cache
[  387.321151]  ? kvm_clock_read+0x18/0x30
[  387.325007] Swap cache stats: add 0, delete 0, find 0/0
[  387.329052]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.332479] Free swap  = 0kB
[  387.336442]  ? print_usage_bug+0xc0/0xc0
[  387.341774] Total swap = 0kB
[  387.346773]  ? __lock_acquire+0x62f/0x4c20
[  387.349760] 1965979 pages RAM
[  387.353816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.356809] 0 pages HighMem/MovableOnly
[  387.356816] 342853 pages reserved
[  387.361034]  ? should_fail+0x22d/0xd01
[  387.364105] 0 pages cma reserved
[  387.369623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.373636] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.377003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.381040] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.384216]  ? __lock_acquire+0x62f/0x4c20
[  387.389463] ksoftirqd/0 cpuset=/ mems_allowed=0
[  387.395955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.425295]  ? __lock_acquire+0x62f/0x4c20
[  387.429535]  ? should_fail+0x22d/0xd01
[  387.433429]  ? rcu_irq_exit+0x1a2/0x390
[  387.437397]  ? mark_held_locks+0x130/0x130
[  387.441627]  ? mark_held_locks+0x130/0x130
[  387.445853]  ? mark_held_locks+0xc7/0x130
[  387.449999]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.455005]  ? zap_class+0x640/0x640
[  387.458712]  ? print_usage_bug+0xc0/0xc0
[  387.462766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.468291]  ? check_preemption_disabled+0x48/0x280
[  387.473326]  ? __lock_is_held+0xb5/0x140
[  387.477388]  __alloc_pages_nodemask+0xad8/0xea0
[  387.482046]  ? zap_class+0x640/0x640
[  387.485751]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  387.490765]  ? find_held_lock+0x36/0x1c0
[  387.494826]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.499499]  ? lock_downgrade+0x900/0x900
[  387.503656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.509194]  cache_grow_begin+0xa5/0x8c0
[  387.513252]  ? do_raw_spin_unlock+0xa7/0x330
[  387.517662]  fallback_alloc+0x204/0x2e0
[  387.521631]  ____cache_alloc_node+0x1c7/0x1e0
[  387.526122]  kmem_cache_alloc_node+0xe3/0x730
[  387.530613]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.534846]  __alloc_skb+0x119/0x770
[  387.538555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.543833]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.548238]  ? lock_downgrade+0x900/0x900
[  387.552385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.557919]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.563370]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.568813]  ? addrconf_rs_timer+0x690/0x690
[  387.573243]  ndisc_alloc_skb+0x144/0x340
[  387.577315]  ndisc_send_rs+0x331/0x6e0
[  387.581205]  addrconf_rs_timer+0x314/0x690
[  387.585440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.589682]  call_timer_fn+0x272/0x920
[  387.593571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.597798]  ? process_timeout+0x40/0x40
[  387.601857]  ? __run_timers+0x7da/0xc70
[  387.605829]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.610315]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.614804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.619033]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.623617]  ? trace_hardirqs_on+0xbd/0x310
[  387.627931]  ? kasan_check_read+0x11/0x20
[  387.632072]  ? __run_timers+0x7da/0xc70
[  387.636042]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.641138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.645374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.649595]  __run_timers+0x7e5/0xc70
[  387.653400]  ? timer_fixup_init+0x70/0x70
[  387.657541]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.662555]  ? zap_class+0x640/0x640
[  387.666268]  ? enqueue_hrtimer+0x1a5/0x560
[  387.670496]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.675686]  ? find_held_lock+0x36/0x1c0
[  387.679760]  ? zap_class+0x640/0x640
[  387.683488]  ? pvclock_read_flags+0x160/0x160
[  387.687991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.693529]  ? check_preemption_disabled+0x48/0x280
[  387.698546]  ? __lock_is_held+0xb5/0x140
[  387.702603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.708250]  ? check_preemption_disabled+0x48/0x280
[  387.713261]  run_timer_softirq+0x52/0xb0
[  387.717313]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.722321]  __do_softirq+0x308/0xb7e
[  387.726115]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.730597]  ? lock_downgrade+0x900/0x900
[  387.734737]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.739836]  ? pvclock_read_flags+0x160/0x160
[  387.744341]  ? lapic_next_event+0x5a/0x90
[  387.748490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.754025]  ? kvm_clock_read+0x18/0x30
[  387.757988]  ? kvm_sched_clock_read+0x9/0x20
[  387.762399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.767928]  ? check_preemption_disabled+0x48/0x280
[  387.772944]  irq_exit+0x17f/0x1c0
[  387.776388]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.781220]  ? smp_reschedule_interrupt+0x109/0x650
[  387.786242]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.792142]  ? interrupt_entry+0xb5/0xc0
[  387.796203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.801213]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.806237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.811070]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.816100]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.821124]  ? task_prio+0x50/0x50
[  387.824681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.830229]  ? check_preemption_disabled+0x48/0x280
[  387.835250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.840090]  apic_timer_interrupt+0xf/0x20
[  387.844305]  </IRQ>
[  387.846545] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  387.851468] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  387.870377] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.878087] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.885348] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  387.892607] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  387.899861] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  387.907138] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  387.914432]  skb_clone+0x1bb/0x500
[  387.917972]  ? finish_task_switch+0x2f4/0x910
[  387.922485]  ? skb_split+0x11e0/0x11e0
[  387.926377]  ? preempt_notifier_register+0x200/0x200
[  387.931468]  ? __switch_to_asm+0x34/0x70
[  387.935516]  ? __switch_to_asm+0x34/0x70
[  387.939566]  ? __switch_to_asm+0x40/0x70
[  387.943611]  ? __switch_to_asm+0x34/0x70
[  387.947662]  ? __switch_to_asm+0x40/0x70
[  387.951713]  ? __switch_to_asm+0x34/0x70
[  387.955760]  ? __switch_to_asm+0x40/0x70
[  387.959809]  ? __switch_to_asm+0x34/0x70
[  387.963856]  ? __switch_to_asm+0x34/0x70
[  387.967906]  ? __switch_to_asm+0x40/0x70
[  387.971955]  ? __switch_to_asm+0x34/0x70
[  387.976008]  bpf_clone_redirect+0xb9/0x490
[  387.980234]  ? __schedule+0x8d7/0x21d0
[  387.984128]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  387.989147]  ? __sched_text_start+0x8/0x8
[  387.993287]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.998063]  ? find_held_lock+0x36/0x1c0
[  388.002143]  ? lock_acquire+0x1ed/0x520
[  388.006107]  ? bpf_test_run+0x3ee/0x7a0
[  388.010076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.015631]  ? check_preemption_disabled+0x48/0x280
[  388.020668]  ? kasan_check_read+0x11/0x20
[  388.024809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.030089]  ? rcu_softirq_qs+0x20/0x20
[  388.034054]  ? preempt_schedule+0x4d/0x60
[  388.038206]  ? ___preempt_schedule+0x16/0x18
[  388.042607]  ? bpf_test_run+0x271/0x7a0
[  388.046676]  ? netlink_diag_dump+0x2a0/0x2a0
[  388.051077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.057084]  ? bpf_test_init.isra.10+0x70/0x100
[  388.061750]  ? bpf_prog_test_run_skb+0x762/0xd60
[  388.066515]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.071357]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.076886]  ? fput+0x130/0x1a0
[  388.080159]  ? __bpf_prog_get+0x9b/0x290
[  388.084213]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.089044]  ? bpf_prog_test_run+0x130/0x1a0
[  388.093446]  ? __x64_sys_bpf+0x3d8/0x520
[  388.097496]  ? bpf_prog_get+0x20/0x20
[  388.101316]  ? do_syscall_64+0x1b9/0x820
[  388.105366]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  388.111179]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.116101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.120948]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.125959]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  388.130967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.136494]  ? prepare_exit_to_usermode+0x291/0x3b0
[  388.141509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.146378]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  388.151763] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  388.151854] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.158629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.158637] Call Trace:
[  388.165232] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.174495]  dump_stack+0x244/0x39d
[  388.177048] syz-executor5 cpuset=syz5 mems_allowed=0
[  388.187520]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.201426]  warn_alloc.cold.116+0xb7/0x1bd
[  388.205742]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.210582]  ? lock_downgrade+0x900/0x900
[  388.214725]  ? trace_hardirqs_off+0xb8/0x310
[  388.219139]  ? trace_hardirqs_off+0xb8/0x310
[  388.223548]  __alloc_pages_slowpath+0x2651/0x2de0
[  388.228410]  ? warn_alloc+0x120/0x120
[  388.232205]  ? print_usage_bug+0xc0/0xc0
[  388.236281]  ? warn_alloc+0x120/0x120
[  388.240079]  ? warn_alloc+0x120/0x120
[  388.243872]  ? print_usage_bug+0xc0/0xc0
[  388.247923]  ? __lock_acquire+0x62f/0x4c20
[  388.252151]  ? print_usage_bug+0xc0/0xc0
[  388.256224]  ? mark_held_locks+0x130/0x130
[  388.260451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.265980]  ? should_fail+0x22d/0xd01
[  388.269864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.274955]  ? __lock_acquire+0x62f/0x4c20
[  388.279194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.284283]  ? __lock_acquire+0x62f/0x4c20
[  388.288506]  ? should_fail+0x22d/0xd01
[  388.292392]  ? mark_held_locks+0x130/0x130
[  388.296621]  ? mark_held_locks+0x130/0x130
[  388.300860]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.305962]  ? zap_class+0x640/0x640
[  388.309668]  ? print_usage_bug+0xc0/0xc0
[  388.313727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.319278]  ? check_preemption_disabled+0x48/0x280
[  388.324294]  ? __lock_is_held+0xb5/0x140
[  388.328355]  __alloc_pages_nodemask+0xad8/0xea0
[  388.333031]  ? zap_class+0x640/0x640
[  388.336741]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  388.341760]  ? find_held_lock+0x36/0x1c0
[  388.345820]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.350502]  ? lock_downgrade+0x900/0x900
[  388.354681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.360216]  cache_grow_begin+0xa5/0x8c0
[  388.364268]  ? do_raw_spin_unlock+0xa7/0x330
[  388.368671]  fallback_alloc+0x204/0x2e0
[  388.372645]  ____cache_alloc_node+0x1c7/0x1e0
[  388.377157]  kmem_cache_alloc_node+0xe3/0x730
[  388.381648]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.385907]  __alloc_skb+0x119/0x770
[  388.389616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.394892]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.399294]  ? lock_downgrade+0x900/0x900
[  388.403456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.408991]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.414460]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.419913]  ? addrconf_rs_timer+0x690/0x690
[  388.424319]  ndisc_alloc_skb+0x144/0x340
[  388.428372]  ndisc_send_rs+0x331/0x6e0
[  388.432249]  addrconf_rs_timer+0x314/0x690
[  388.436490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.440744]  call_timer_fn+0x272/0x920
[  388.444635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.448861]  ? process_timeout+0x40/0x40
[  388.453332]  ? __run_timers+0x7da/0xc70
[  388.457314]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.461798]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.466304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.470561]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.475138]  ? trace_hardirqs_on+0xbd/0x310
[  388.479451]  ? kasan_check_read+0x11/0x20
[  388.483590]  ? __run_timers+0x7da/0xc70
[  388.487560]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.492661]  ? prandom_seed_full_state+0x3b0/0x3b0
[  388.497597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.501822]  __run_timers+0x7e5/0xc70
[  388.505620]  ? timer_fixup_init+0x70/0x70
[  388.509768]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.514256]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.518743]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.523319]  ? trace_hardirqs_on+0xbd/0x310
[  388.527740]  ? kasan_check_read+0x11/0x20
[  388.531880]  ? finish_task_switch+0x1f4/0x910
[  388.536367]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.541460]  ? compat_start_thread+0x80/0x80
[  388.545871]  ? pvclock_read_flags+0x160/0x160
[  388.550354]  ? __switch_to_asm+0x34/0x70
[  388.554404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.559934]  ? check_preemption_disabled+0x48/0x280
[  388.565574]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  388.571121]  ? rcu_pm_notify+0xc0/0xc0
[  388.575001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.580532]  ? check_preemption_disabled+0x48/0x280
[  388.585547]  run_timer_softirq+0x52/0xb0
[  388.589601]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.594627]  __do_softirq+0x308/0xb7e
[  388.598422]  ? retint_kernel+0x2d/0x2d
[  388.602309]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.607404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.612870]  ? retint_kernel+0x2d/0x2d
[  388.616752]  ? schedule+0x108/0x460
[  388.620475]  ? trace_hardirqs_off+0xb8/0x310
[  388.624872]  ? smpboot_thread_fn+0x68b/0xa00
[  388.629275]  ? trace_hardirqs_on+0x310/0x310
[  388.633673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.639201]  ? check_preemption_disabled+0x48/0x280
[  388.644209]  ? takeover_tasklets+0xa90/0xa90
[  388.648605]  run_ksoftirqd+0x5e/0x100
[  388.652393]  smpboot_thread_fn+0x68b/0xa00
[  388.656620]  ? sort_range+0x30/0x30
[  388.660233]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.665326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.670851]  ? __kthread_parkme+0xfb/0x1a0
[  388.675084]  ? sort_range+0x30/0x30
[  388.678717]  kthread+0x35a/0x440
[  388.682094]  ? kthread_stop+0x900/0x900
[  388.686063]  ret_from_fork+0x3a/0x50
[  388.689799] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  388.689803] warn_alloc_show_mem: 1 callbacks suppressed
[  388.689808] Mem-Info:
[  388.697153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.702601] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  388.702601]  active_file:17 inactive_file:17 isolated_file:0
[  388.702601]  unevictable:0 dirty:0 writeback:0 unstable:0
[  388.702601]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  388.702601]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  388.702601]  free:13768 free_pcp:279 free_cma:0
[  388.704982] Call Trace:
[  388.714364] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  388.747374]  <IRQ>
[  388.749935] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  388.777595]  dump_stack+0x244/0x39d
[  388.779708] lowmem_reserve[]: 0 2818 6321 6321
[  388.805813]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.809428] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  388.814004]  warn_alloc.cold.116+0xb7/0x1bd
[  388.819149] lowmem_reserve[]: 0 0 3503 3503
[  388.846854]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.851156] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  388.855464]  ? lock_downgrade+0x900/0x900
[  388.860266] lowmem_reserve[]: 0 0 0 0
[  388.889320]  ? trace_hardirqs_off+0xb8/0x310
[  388.893436] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  388.897240]  ? trace_hardirqs_off+0xb8/0x310
[  388.901626] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  388.915320]  __alloc_pages_slowpath+0x2651/0x2de0
[  388.919700] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  388.934876]  ? warn_alloc+0x120/0x120
[  388.939683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.954397]  ? print_usage_bug+0xc0/0xc0
[  388.958183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.967090]  ? warn_alloc+0x120/0x120
[  388.971123] 1758 total pagecache pages
[  388.979693]  ? warn_alloc+0x120/0x120
[  388.983469] 0 pages in swap cache
[  388.987335]  ? print_usage_bug+0xc0/0xc0
[  388.991232] Swap cache stats: add 0, delete 0, find 0/0
[  388.994665]  ? kvm_clock_read+0x18/0x30
[  388.998690] Free swap  = 0kB
[  389.004031]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.007971] Total swap = 0kB
[  389.010971]  ? print_usage_bug+0xc0/0xc0
[  389.015966] 1965979 pages RAM
[  389.018967]  ? __lock_acquire+0x62f/0x4c20
[  389.022990] 0 pages HighMem/MovableOnly
[  389.022997] 342853 pages reserved
[  389.026101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.030300] 0 pages cma reserved
[  389.034268]  ? should_fail+0x22d/0xd01
[  389.037764] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.043216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.043232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.043248]  ? __lock_acquire+0x62f/0x4c20
[  389.046637] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.050450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.056920] ksoftirqd/0 cpuset=/ mems_allowed=0
[  389.062190]  ? __lock_acquire+0x62f/0x4c20
[  389.062203]  ? should_fail+0x22d/0xd01
[  389.099590]  ? rcu_irq_exit+0x1a2/0x390
[  389.103563]  ? mark_held_locks+0x130/0x130
[  389.107790]  ? mark_held_locks+0x130/0x130
[  389.112015]  ? mark_held_locks+0xc7/0x130
[  389.116158]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  389.121175]  ? zap_class+0x640/0x640
[  389.124892]  ? print_usage_bug+0xc0/0xc0
[  389.128950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.134495]  ? check_preemption_disabled+0x48/0x280
[  389.139521]  ? __lock_is_held+0xb5/0x140
[  389.143584]  __alloc_pages_nodemask+0xad8/0xea0
[  389.148254]  ? zap_class+0x640/0x640
[  389.151961]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  389.156975]  ? find_held_lock+0x36/0x1c0
[  389.161043]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.165706]  ? lock_downgrade+0x900/0x900
[  389.169849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.175391]  cache_grow_begin+0xa5/0x8c0
[  389.179669]  ? do_raw_spin_unlock+0xa7/0x330
[  389.184080]  fallback_alloc+0x204/0x2e0
[  389.188061]  ____cache_alloc_node+0x1c7/0x1e0
[  389.192559]  kmem_cache_alloc_node+0xe3/0x730
[  389.197054]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.201310]  __alloc_skb+0x119/0x770
[  389.205015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.210292]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.214691]  ? lock_downgrade+0x900/0x900
[  389.218848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.224377]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.229946]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.235389]  ? addrconf_rs_timer+0x690/0x690
[  389.239797]  ndisc_alloc_skb+0x144/0x340
[  389.243868]  ndisc_send_rs+0x331/0x6e0
[  389.247764]  addrconf_rs_timer+0x314/0x690
[  389.252007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.256249]  call_timer_fn+0x272/0x920
[  389.260128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.264637]  ? process_timeout+0x40/0x40
[  389.268694]  ? __run_timers+0x7da/0xc70
[  389.272664]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.277150]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.281653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.285885]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.290461]  ? trace_hardirqs_on+0xbd/0x310
[  389.294787]  ? kasan_check_read+0x11/0x20
[  389.298926]  ? __run_timers+0x7da/0xc70
[  389.302894]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.307989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.312240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.316461]  __run_timers+0x7e5/0xc70
[  389.320782]  ? timer_fixup_init+0x70/0x70
[  389.324921]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.329929]  ? zap_class+0x640/0x640
[  389.333641]  ? enqueue_hrtimer+0x1a5/0x560
[  389.337884]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.343067]  ? find_held_lock+0x36/0x1c0
[  389.347121]  ? zap_class+0x640/0x640
[  389.350829]  ? pvclock_read_flags+0x160/0x160
[  389.355313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.360843]  ? check_preemption_disabled+0x48/0x280
[  389.365859]  ? __lock_is_held+0xb5/0x140
[  389.369908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.375458]  ? check_preemption_disabled+0x48/0x280
[  389.380470]  run_timer_softirq+0x52/0xb0
[  389.384541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.389556]  __do_softirq+0x308/0xb7e
[  389.393364]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.397846]  ? lock_downgrade+0x900/0x900
[  389.401990]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.407096]  ? pvclock_read_flags+0x160/0x160
[  389.411588]  ? lapic_next_event+0x5a/0x90
[  389.415730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.421267]  ? kvm_clock_read+0x18/0x30
[  389.425231]  ? kvm_sched_clock_read+0x9/0x20
[  389.429631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.435160]  ? check_preemption_disabled+0x48/0x280
[  389.440177]  irq_exit+0x17f/0x1c0
[  389.443622]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.448450]  ? smp_reschedule_interrupt+0x109/0x650
[  389.453454]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.459325]  ? interrupt_entry+0xb5/0xc0
[  389.463377]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.468396]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.473417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.478251]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.483256]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.488276]  ? task_prio+0x50/0x50
[  389.491804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.497345]  ? check_preemption_disabled+0x48/0x280
[  389.502358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.507213]  apic_timer_interrupt+0xf/0x20
[  389.511434]  </IRQ>
[  389.513663] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  389.518583] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  389.537567] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  389.545373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  389.552666] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  389.559933] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  389.567310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  389.574581] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  389.581889]  skb_clone+0x1bb/0x500
[  389.585425]  ? finish_task_switch+0x2f4/0x910
[  389.589914]  ? skb_split+0x11e0/0x11e0
[  389.593795]  ? preempt_notifier_register+0x200/0x200
[  389.598977]  ? __switch_to_asm+0x34/0x70
[  389.603040]  ? __switch_to_asm+0x34/0x70
[  389.607091]  ? __switch_to_asm+0x40/0x70
[  389.611144]  ? __switch_to_asm+0x34/0x70
[  389.615312]  ? __switch_to_asm+0x40/0x70
[  389.619367]  ? __switch_to_asm+0x34/0x70
[  389.623418]  ? __switch_to_asm+0x40/0x70
[  389.627469]  ? __switch_to_asm+0x34/0x70
[  389.631539]  ? __switch_to_asm+0x34/0x70
[  389.635596]  ? __switch_to_asm+0x40/0x70
[  389.639652]  ? __switch_to_asm+0x34/0x70
[  389.643712]  bpf_clone_redirect+0xb9/0x490
[  389.647940]  ? __schedule+0x8d7/0x21d0
[  389.651826]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  389.656835]  ? __sched_text_start+0x8/0x8
[  389.660975]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  389.665737]  ? find_held_lock+0x36/0x1c0
[  389.669800]  ? lock_acquire+0x1ed/0x520
[  389.673768]  ? bpf_test_run+0x3ee/0x7a0
[  389.677734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.683267]  ? check_preemption_disabled+0x48/0x280
[  389.688285]  ? kasan_check_read+0x11/0x20
[  389.692424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.697692]  ? rcu_softirq_qs+0x20/0x20
[  389.701659]  ? preempt_schedule+0x4d/0x60
[  389.705795]  ? ___preempt_schedule+0x16/0x18
[  389.710199]  ? bpf_test_run+0x271/0x7a0
[  389.714176]  ? netlink_diag_dump+0x2a0/0x2a0
[  389.718580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.724109]  ? bpf_test_init.isra.10+0x70/0x100
[  389.728767]  ? bpf_prog_test_run_skb+0x762/0xd60
[  389.733517]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  389.738355]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  389.743881]  ? fput+0x130/0x1a0
[  389.747158]  ? __bpf_prog_get+0x9b/0x290
[  389.751217]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  389.756049]  ? bpf_prog_test_run+0x130/0x1a0
[  389.760451]  ? __x64_sys_bpf+0x3d8/0x520
[  389.764504]  ? bpf_prog_get+0x20/0x20
[  389.768308]  ? do_syscall_64+0x1b9/0x820
[  389.772354]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  389.777708]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.782640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.787478]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.792511]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.797518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.803058]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.808064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.812904]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  389.818286] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  389.818356] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.825122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.825126] Call Trace:
[  389.825141]  dump_stack+0x244/0x39d
[  389.825162]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.831800] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.841086]  warn_alloc.cold.116+0xb7/0x1bd
[  389.843634] syz-executor5 cpuset=syz5 mems_allowed=0
[  389.847247]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.877160]  ? lock_downgrade+0x900/0x900
[  389.881306]  ? trace_hardirqs_off+0xb8/0x310
[  389.885745]  ? trace_hardirqs_off+0xb8/0x310
[  389.890149]  __alloc_pages_slowpath+0x2651/0x2de0
[  389.895014]  ? warn_alloc+0x120/0x120
[  389.898805]  ? print_usage_bug+0xc0/0xc0
[  389.902877]  ? warn_alloc+0x120/0x120
[  389.906672]  ? warn_alloc+0x120/0x120
[  389.910463]  ? print_usage_bug+0xc0/0xc0
[  389.914524]  ? print_usage_bug+0xc0/0xc0
[  389.918572]  ? __lock_acquire+0x62f/0x4c20
[  389.922797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.928325]  ? should_fail+0x22d/0xd01
[  389.932208]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.937297]  ? __lock_acquire+0x62f/0x4c20
[  389.941539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.946645]  ? __lock_acquire+0x62f/0x4c20
[  389.950869]  ? should_fail+0x22d/0xd01
[  389.954743]  ? find_held_lock+0x36/0x1c0
[  389.958821]  ? mark_held_locks+0x130/0x130
[  389.963051]  ? mark_held_locks+0x130/0x130
[  389.967276]  ? zap_class+0x640/0x640
[  389.970989]  ? zap_class+0x640/0x640
[  389.974694]  ? print_usage_bug+0xc0/0xc0
[  389.978741]  ? do_raw_spin_unlock+0xa7/0x330
[  389.983136]  ? zap_class+0x640/0x640
[  389.986838]  ? print_usage_bug+0xc0/0xc0
[  389.990889]  ? wq_watchdog_touch+0x9c/0xfe
[  389.995129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.000654]  ? check_preemption_disabled+0x48/0x280
[  390.005663]  ? __lock_is_held+0xb5/0x140
[  390.009714]  __alloc_pages_nodemask+0xad8/0xea0
[  390.014371]  ? zap_class+0x640/0x640
[  390.018075]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  390.023088]  ? find_held_lock+0x36/0x1c0
[  390.027148]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.031812]  ? lock_downgrade+0x900/0x900
[  390.036059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.041590]  cache_grow_begin+0xa5/0x8c0
[  390.045637]  ? do_raw_spin_unlock+0xa7/0x330
[  390.050129]  fallback_alloc+0x204/0x2e0
[  390.054100]  ____cache_alloc_node+0x1c7/0x1e0
[  390.058699]  kmem_cache_alloc_node+0xe3/0x730
[  390.063204]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.067437]  __alloc_skb+0x119/0x770
[  390.071151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.076419]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.080812]  ? lock_downgrade+0x900/0x900
[  390.084969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.090502]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.095954]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.101409]  ? addrconf_rs_timer+0x690/0x690
[  390.105814]  ndisc_alloc_skb+0x144/0x340
[  390.109869]  ndisc_send_rs+0x331/0x6e0
[  390.113747]  addrconf_rs_timer+0x314/0x690
[  390.117982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.122225]  call_timer_fn+0x272/0x920
[  390.126099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.130323]  ? process_timeout+0x40/0x40
[  390.134380]  ? __run_timers+0x7da/0xc70
[  390.138343]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.142831]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.147325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.151556]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.156143]  ? trace_hardirqs_on+0xbd/0x310
[  390.160474]  ? kasan_check_read+0x11/0x20
[  390.164613]  ? __run_timers+0x7da/0xc70
[  390.168578]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.173673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.177903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.182123]  __run_timers+0x7e5/0xc70
[  390.185966]  ? timer_fixup_init+0x70/0x70
[  390.190130]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.194612]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.199100]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.203673]  ? trace_hardirqs_on+0xbd/0x310
[  390.208071]  ? kasan_check_read+0x11/0x20
[  390.212223]  ? finish_task_switch+0x1f4/0x910
[  390.216797]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.221891]  ? compat_start_thread+0x80/0x80
[  390.226305]  ? pvclock_read_flags+0x160/0x160
[  390.230799]  ? __switch_to_asm+0x34/0x70
[  390.234853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.240391]  ? check_preemption_disabled+0x48/0x280
[  390.245405]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  390.250929]  ? rcu_pm_notify+0xc0/0xc0
[  390.254817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.260348]  ? check_preemption_disabled+0x48/0x280
[  390.265354]  run_timer_softirq+0x52/0xb0
[  390.269406]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.274415]  __do_softirq+0x308/0xb7e
[  390.278208]  ? retint_kernel+0x2d/0x2d
[  390.282089]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.287180]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.292755]  ? retint_kernel+0x2d/0x2d
[  390.296649]  ? schedule+0x108/0x460
[  390.300275]  ? trace_hardirqs_off+0xb8/0x310
[  390.304673]  ? smpboot_thread_fn+0x68b/0xa00
[  390.309072]  ? trace_hardirqs_on+0x310/0x310
[  390.313470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.319002]  ? check_preemption_disabled+0x48/0x280
[  390.324044]  ? takeover_tasklets+0xa90/0xa90
[  390.328459]  run_ksoftirqd+0x5e/0x100
[  390.332250]  smpboot_thread_fn+0x68b/0xa00
[  390.336505]  ? sort_range+0x30/0x30
[  390.340122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.345229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.350755]  ? __kthread_parkme+0xfb/0x1a0
[  390.354985]  ? sort_range+0x30/0x30
[  390.358601]  kthread+0x35a/0x440
[  390.361964]  ? kthread_stop+0x900/0x900
[  390.365933]  ret_from_fork+0x3a/0x50
[  390.369660] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  390.369665] warn_alloc_show_mem: 1 callbacks suppressed
[  390.369671] Mem-Info:
[  390.377019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.382394] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  390.382394]  active_file:17 inactive_file:17 isolated_file:0
[  390.382394]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.382394]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  390.382394]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  390.382394]  free:13768 free_pcp:279 free_cma:0
[  390.384761] Call Trace:
[  390.394166] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.427174]  <IRQ>
[  390.429738] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  390.457496]  dump_stack+0x244/0x39d
[  390.459616] lowmem_reserve[]: 0 2818 6321 6321
[  390.485708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.489305] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  390.493879]  warn_alloc.cold.116+0xb7/0x1bd
[  390.499028] lowmem_reserve[]: 0 0 3503 3503
[  390.526440]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.530728] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  390.535037]  ? lock_downgrade+0x900/0x900
[  390.539838] lowmem_reserve[]: 0 0 0 0
[  390.568806]  ? trace_hardirqs_off+0xb8/0x310
[  390.572925] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  390.576714]  ? trace_hardirqs_off+0xb8/0x310
[  390.581091] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  390.594602]  __alloc_pages_slowpath+0x2651/0x2de0
[  390.599085] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  390.614345]  ? warn_alloc+0x120/0x120
[  390.619331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.634052]  ? print_usage_bug+0xc0/0xc0
[  390.637824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.646635]  ? warn_alloc+0x120/0x120
[  390.650675] 1758 total pagecache pages
[  390.659240]  ? warn_alloc+0x120/0x120
[  390.663017] 0 pages in swap cache
[  390.666907]  ? print_usage_bug+0xc0/0xc0
[  390.670682] Swap cache stats: add 0, delete 0, find 0/0
[  390.674129]  ? kvm_clock_read+0x18/0x30
[  390.678157] Free swap  = 0kB
[  390.683504]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.687448] Total swap = 0kB
[  390.690453]  ? print_usage_bug+0xc0/0xc0
[  390.695452] 1965979 pages RAM
[  390.698477]  ? __lock_acquire+0x62f/0x4c20
[  390.702513] 0 pages HighMem/MovableOnly
[  390.702520] 342853 pages reserved
[  390.705631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.709836] 0 pages cma reserved
[  390.713810]  ? should_fail+0x22d/0xd01
[  390.717298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.722745]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.722759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.722773]  ? __lock_acquire+0x62f/0x4c20
[  390.726162] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.729979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.736440] ksoftirqd/0 cpuset=/ mems_allowed=0
[  390.741708]  ? __lock_acquire+0x62f/0x4c20
[  390.741721]  ? should_fail+0x22d/0xd01
[  390.779137]  ? rcu_irq_exit+0x1a2/0x390
[  390.783127]  ? mark_held_locks+0x130/0x130
[  390.787377]  ? mark_held_locks+0x130/0x130
[  390.791613]  ? mark_held_locks+0xc7/0x130
[  390.795750]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.800762]  ? zap_class+0x640/0x640
[  390.804467]  ? print_usage_bug+0xc0/0xc0
[  390.808522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.814051]  ? check_preemption_disabled+0x48/0x280
[  390.819065]  ? __lock_is_held+0xb5/0x140
[  390.823123]  __alloc_pages_nodemask+0xad8/0xea0
[  390.827800]  ? zap_class+0x640/0x640
[  390.831510]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  390.836527]  ? find_held_lock+0x36/0x1c0
[  390.840606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.845353]  ? lock_downgrade+0x900/0x900
[  390.849498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.855060]  cache_grow_begin+0xa5/0x8c0
[  390.859115]  ? do_raw_spin_unlock+0xa7/0x330
[  390.863516]  fallback_alloc+0x204/0x2e0
[  390.867485]  ____cache_alloc_node+0x1c7/0x1e0
[  390.871977]  kmem_cache_alloc_node+0xe3/0x730
[  390.876464]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.880696]  __alloc_skb+0x119/0x770
[  390.884404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.889679]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.894079]  ? lock_downgrade+0x900/0x900
[  390.898234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.903761]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.909207]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.914869]  ? addrconf_rs_timer+0x690/0x690
[  390.919291]  ndisc_alloc_skb+0x144/0x340
[  390.923346]  ndisc_send_rs+0x331/0x6e0
[  390.927252]  addrconf_rs_timer+0x314/0x690
[  390.931499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.935734]  call_timer_fn+0x272/0x920
[  390.939610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.943830]  ? process_timeout+0x40/0x40
[  390.947891]  ? __run_timers+0x7da/0xc70
[  390.951855]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.956344]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.960840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.965073]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.969645]  ? trace_hardirqs_on+0xbd/0x310
[  390.973966]  ? kasan_check_read+0x11/0x20
[  390.978110]  ? __run_timers+0x7da/0xc70
[  390.982071]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.987164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.991406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.995629]  __run_timers+0x7e5/0xc70
[  390.999424]  ? timer_fixup_init+0x70/0x70
[  391.003561]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.008568]  ? zap_class+0x640/0x640
[  391.012282]  ? enqueue_hrtimer+0x1a5/0x560
[  391.016510]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.021697]  ? find_held_lock+0x36/0x1c0
[  391.025764]  ? zap_class+0x640/0x640
[  391.029492]  ? pvclock_read_flags+0x160/0x160
[  391.033980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.039507]  ? check_preemption_disabled+0x48/0x280
[  391.044535]  ? __lock_is_held+0xb5/0x140
[  391.048586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.054137]  ? check_preemption_disabled+0x48/0x280
[  391.059150]  run_timer_softirq+0x52/0xb0
[  391.063203]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.068212]  __do_softirq+0x308/0xb7e
[  391.072016]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.076498]  ? lock_downgrade+0x900/0x900
[  391.080642]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.085743]  ? pvclock_read_flags+0x160/0x160
[  391.090236]  ? lapic_next_event+0x5a/0x90
[  391.094378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.099931]  ? kvm_clock_read+0x18/0x30
[  391.103901]  ? kvm_sched_clock_read+0x9/0x20
[  391.108326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.113864]  ? check_preemption_disabled+0x48/0x280
[  391.118895]  irq_exit+0x17f/0x1c0
[  391.122352]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.127199]  ? smp_reschedule_interrupt+0x109/0x650
[  391.132230]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.138106]  ? interrupt_entry+0xb5/0xc0
[  391.142158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.147174]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.152180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.157020]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.162026]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.167028]  ? task_prio+0x50/0x50
[  391.170581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.176111]  ? check_preemption_disabled+0x48/0x280
[  391.181122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.185972]  apic_timer_interrupt+0xf/0x20
[  391.190193]  </IRQ>
[  391.192423] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  391.197345] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  391.216233] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  391.223939] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  391.231194] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  391.238452] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  391.245721] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  391.253093] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  391.260387]  skb_clone+0x1bb/0x500
[  391.263931]  ? finish_task_switch+0x2f4/0x910
[  391.268417]  ? skb_split+0x11e0/0x11e0
[  391.272296]  ? preempt_notifier_register+0x200/0x200
[  391.277472]  ? __switch_to_asm+0x34/0x70
[  391.281522]  ? __switch_to_asm+0x34/0x70
[  391.285583]  ? __switch_to_asm+0x40/0x70
[  391.289648]  ? __switch_to_asm+0x34/0x70
[  391.293709]  ? __switch_to_asm+0x40/0x70
[  391.297757]  ? __switch_to_asm+0x34/0x70
[  391.301802]  ? __switch_to_asm+0x40/0x70
[  391.305953]  ? __switch_to_asm+0x34/0x70
[  391.310006]  ? __switch_to_asm+0x34/0x70
[  391.314154]  ? __switch_to_asm+0x40/0x70
[  391.318211]  ? __switch_to_asm+0x34/0x70
[  391.322274]  bpf_clone_redirect+0xb9/0x490
[  391.326500]  ? __schedule+0x8d7/0x21d0
[  391.330482]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  391.335504]  ? __sched_text_start+0x8/0x8
[  391.339640]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  391.344393]  ? find_held_lock+0x36/0x1c0
[  391.348449]  ? lock_acquire+0x1ed/0x520
[  391.352415]  ? bpf_test_run+0x3ee/0x7a0
[  391.356385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.361916]  ? check_preemption_disabled+0x48/0x280
[  391.366923]  ? kasan_check_read+0x11/0x20
[  391.371069]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.376352]  ? rcu_softirq_qs+0x20/0x20
[  391.380337]  ? preempt_schedule+0x4d/0x60
[  391.384490]  ? ___preempt_schedule+0x16/0x18
[  391.388891]  ? bpf_test_run+0x271/0x7a0
[  391.392867]  ? netlink_diag_dump+0x2a0/0x2a0
[  391.397284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.402809]  ? bpf_test_init.isra.10+0x70/0x100
[  391.407480]  ? bpf_prog_test_run_skb+0x762/0xd60
[  391.412239]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  391.417075]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.422621]  ? fput+0x130/0x1a0
[  391.425894]  ? __bpf_prog_get+0x9b/0x290
[  391.429964]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  391.434807]  ? bpf_prog_test_run+0x130/0x1a0
[  391.439232]  ? __x64_sys_bpf+0x3d8/0x520
[  391.443296]  ? bpf_prog_get+0x20/0x20
[  391.447192]  ? do_syscall_64+0x1b9/0x820
[  391.451346]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  391.456700]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.461725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.466578]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.471617]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.476620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.482144]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.487171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.492009]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  391.497383] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  391.497464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.504217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.504222] Call Trace:
[  391.504238]  dump_stack+0x244/0x39d
[  391.504257]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.510787] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.520067]  warn_alloc.cold.116+0xb7/0x1bd
[  391.522618] syz-executor5 cpuset=syz5 mems_allowed=0
[  391.526229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.556070]  ? lock_downgrade+0x900/0x900
[  391.560214]  ? trace_hardirqs_off+0xb8/0x310
[  391.564616]  ? trace_hardirqs_off+0xb8/0x310
[  391.569045]  __alloc_pages_slowpath+0x2651/0x2de0
[  391.573927]  ? warn_alloc+0x120/0x120
[  391.577740]  ? print_usage_bug+0xc0/0xc0
[  391.581796]  ? warn_alloc+0x120/0x120
[  391.585607]  ? warn_alloc+0x120/0x120
[  391.589396]  ? print_usage_bug+0xc0/0xc0
[  391.593462]  ? print_usage_bug+0xc0/0xc0
[  391.597513]  ? __lock_acquire+0x62f/0x4c20
[  391.601746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.607279]  ? should_fail+0x22d/0xd01
[  391.611158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.616253]  ? __lock_acquire+0x62f/0x4c20
[  391.620483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.625579]  ? __lock_acquire+0x62f/0x4c20
[  391.629801]  ? should_fail+0x22d/0xd01
[  391.633691]  ? find_held_lock+0x36/0x1c0
[  391.637748]  ? mark_held_locks+0x130/0x130
[  391.641975]  ? mark_held_locks+0x130/0x130
[  391.646196]  ? zap_class+0x640/0x640
[  391.649901]  ? zap_class+0x640/0x640
[  391.653608]  ? print_usage_bug+0xc0/0xc0
[  391.657667]  ? do_raw_spin_unlock+0xa7/0x330
[  391.662074]  ? zap_class+0x640/0x640
[  391.665777]  ? print_usage_bug+0xc0/0xc0
[  391.669863]  ? wq_watchdog_touch+0x9c/0xfe
[  391.674091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.679635]  ? check_preemption_disabled+0x48/0x280
[  391.684646]  ? __lock_is_held+0xb5/0x140
[  391.688709]  __alloc_pages_nodemask+0xad8/0xea0
[  391.693366]  ? zap_class+0x640/0x640
[  391.697077]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  391.702096]  ? find_held_lock+0x36/0x1c0
[  391.706162]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.710831]  ? lock_downgrade+0x900/0x900
[  391.714977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.720507]  cache_grow_begin+0xa5/0x8c0
[  391.724555]  ? do_raw_spin_unlock+0xa7/0x330
[  391.728959]  fallback_alloc+0x204/0x2e0
[  391.732928]  ____cache_alloc_node+0x1c7/0x1e0
[  391.737415]  kmem_cache_alloc_node+0xe3/0x730
[  391.741920]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.746150]  __alloc_skb+0x119/0x770
[  391.749852]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.755137]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.759539]  ? lock_downgrade+0x900/0x900
[  391.763687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.769219]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.774662]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.780098]  ? addrconf_rs_timer+0x690/0x690
[  391.784506]  ndisc_alloc_skb+0x144/0x340
[  391.788649]  ndisc_send_rs+0x331/0x6e0
[  391.792531]  addrconf_rs_timer+0x314/0x690
[  391.796801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.801217]  call_timer_fn+0x272/0x920
[  391.805096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.809333]  ? process_timeout+0x40/0x40
[  391.813394]  ? __run_timers+0x7da/0xc70
[  391.817366]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.821852]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.826363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.830593]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.835167]  ? trace_hardirqs_on+0xbd/0x310
[  391.839482]  ? kasan_check_read+0x11/0x20
[  391.843625]  ? __run_timers+0x7da/0xc70
[  391.847688]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.852782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.857018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.861238]  __run_timers+0x7e5/0xc70
[  391.865032]  ? timer_fixup_init+0x70/0x70
[  391.869165]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.873749]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.878232]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.882813]  ? trace_hardirqs_on+0xbd/0x310
[  391.887127]  ? kasan_check_read+0x11/0x20
[  391.891265]  ? finish_task_switch+0x1f4/0x910
[  391.895751]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.900899]  ? compat_start_thread+0x80/0x80
[  391.905320]  ? pvclock_read_flags+0x160/0x160
[  391.909811]  ? __switch_to_asm+0x34/0x70
[  391.913869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.919409]  ? check_preemption_disabled+0x48/0x280
[  391.924423]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  391.929962]  ? rcu_pm_notify+0xc0/0xc0
[  391.933841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.939371]  ? check_preemption_disabled+0x48/0x280
[  391.944398]  run_timer_softirq+0x52/0xb0
[  391.948453]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.953469]  __do_softirq+0x308/0xb7e
[  391.957267]  ? retint_kernel+0x2d/0x2d
[  391.961152]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.966244]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.971691]  ? retint_kernel+0x2d/0x2d
[  391.975578]  ? schedule+0x108/0x460
[  391.979208]  ? trace_hardirqs_off+0xb8/0x310
[  391.983613]  ? smpboot_thread_fn+0x68b/0xa00
[  391.988015]  ? trace_hardirqs_on+0x310/0x310
[  391.992428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.997957]  ? check_preemption_disabled+0x48/0x280
[  392.002961]  ? takeover_tasklets+0xa90/0xa90
[  392.007376]  run_ksoftirqd+0x5e/0x100
[  392.011173]  smpboot_thread_fn+0x68b/0xa00
[  392.015491]  ? sort_range+0x30/0x30
[  392.019113]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.024565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.030093]  ? __kthread_parkme+0xfb/0x1a0
[  392.034316]  ? sort_range+0x30/0x30
[  392.037930]  kthread+0x35a/0x440
[  392.041285]  ? kthread_stop+0x900/0x900
[  392.045266]  ret_from_fork+0x3a/0x50
[  392.048993] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  392.049010] warn_alloc_show_mem: 1 callbacks suppressed
[  392.049016] Mem-Info:
[  392.056376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.061733] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  392.061733]  active_file:17 inactive_file:17 isolated_file:0
[  392.061733]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.061733]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  392.061733]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  392.061733]  free:13768 free_pcp:279 free_cma:0
[  392.064096] Call Trace:
[  392.073459] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.106466]  <IRQ>
[  392.109039] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.136695]  dump_stack+0x244/0x39d
[  392.138813] lowmem_reserve[]: 0 2818 6321 6321
[  392.164908]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.168500] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  392.173069]  warn_alloc.cold.116+0xb7/0x1bd
[  392.178229] lowmem_reserve[]: 0 0 3503 3503
[  392.205620]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.209909] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  392.214219]  ? lock_downgrade+0x900/0x900
[  392.219027] lowmem_reserve[]: 0 0 0 0
[  392.248093]  ? trace_hardirqs_off+0xb8/0x310
[  392.252316] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  392.256110]  ? trace_hardirqs_off+0xb8/0x310
[  392.260484] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  392.273997]  __alloc_pages_slowpath+0x2651/0x2de0
[  392.278383] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  392.293745]  ? warn_alloc+0x120/0x120
[  392.298544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.313256]  ? print_usage_bug+0xc0/0xc0
[  392.317027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.325837]  ? warn_alloc+0x120/0x120
[  392.329868] 1758 total pagecache pages
[  392.338423]  ? warn_alloc+0x120/0x120
[  392.342193] 0 pages in swap cache
[  392.346055]  ? print_usage_bug+0xc0/0xc0
[  392.349842] Swap cache stats: add 0, delete 0, find 0/0
[  392.353292]  ? kvm_clock_read+0x18/0x30
[  392.357317] Free swap  = 0kB
[  392.362660]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.366601] Total swap = 0kB
[  392.369605]  ? print_usage_bug+0xc0/0xc0
[  392.374599] 1965979 pages RAM
[  392.377609]  ? __lock_acquire+0x62f/0x4c20
[  392.381636] 0 pages HighMem/MovableOnly
[  392.384724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.388922] 342853 pages reserved
[  392.388928] 0 pages cma reserved
[  392.392885]  ? should_fail+0x22d/0xd01
[  392.398563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.401940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.401955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.401970]  ? __lock_acquire+0x62f/0x4c20
[  392.405360] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.409193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.415649] ksoftirqd/0 cpuset=/ mems_allowed=0
[  392.421025]  ? __lock_acquire+0x62f/0x4c20
[  392.421038]  ? should_fail+0x22d/0xd01
[  392.458847]  ? rcu_irq_exit+0x1a2/0x390
[  392.462827]  ? mark_held_locks+0x130/0x130
[  392.467063]  ? mark_held_locks+0x130/0x130
[  392.471298]  ? mark_held_locks+0xc7/0x130
[  392.475632]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  392.480727]  ? zap_class+0x640/0x640
[  392.484444]  ? print_usage_bug+0xc0/0xc0
[  392.488499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.494032]  ? check_preemption_disabled+0x48/0x280
[  392.499046]  ? __lock_is_held+0xb5/0x140
[  392.503111]  __alloc_pages_nodemask+0xad8/0xea0
[  392.507771]  ? zap_class+0x640/0x640
[  392.511482]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  392.516498]  ? find_held_lock+0x36/0x1c0
[  392.520558]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.525214]  ? lock_downgrade+0x900/0x900
[  392.529357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.534889]  cache_grow_begin+0xa5/0x8c0
[  392.538952]  ? do_raw_spin_unlock+0xa7/0x330
[  392.543356]  fallback_alloc+0x204/0x2e0
[  392.547328]  ____cache_alloc_node+0x1c7/0x1e0
[  392.551829]  kmem_cache_alloc_node+0xe3/0x730
[  392.556316]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.560548]  __alloc_skb+0x119/0x770
[  392.564256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.569556]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.573953]  ? lock_downgrade+0x900/0x900
[  392.578099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.583633]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.589080]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.594538]  ? addrconf_rs_timer+0x690/0x690
[  392.598946]  ndisc_alloc_skb+0x144/0x340
[  392.603002]  ndisc_send_rs+0x331/0x6e0
[  392.606884]  addrconf_rs_timer+0x314/0x690
[  392.611119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.615359]  call_timer_fn+0x272/0x920
[  392.619689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.623919]  ? process_timeout+0x40/0x40
[  392.627973]  ? __run_timers+0x7da/0xc70
[  392.632199]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.636693]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.641182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.645422]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.649997]  ? trace_hardirqs_on+0xbd/0x310
[  392.654324]  ? kasan_check_read+0x11/0x20
[  392.658460]  ? __run_timers+0x7da/0xc70
[  392.662426]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.667523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.671755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.675983]  __run_timers+0x7e5/0xc70
[  392.679788]  ? timer_fixup_init+0x70/0x70
[  392.683930]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.688937]  ? zap_class+0x640/0x640
[  392.692645]  ? enqueue_hrtimer+0x1a5/0x560
[  392.696884]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.702070]  ? find_held_lock+0x36/0x1c0
[  392.706123]  ? zap_class+0x640/0x640
[  392.709832]  ? pvclock_read_flags+0x160/0x160
[  392.714318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.719846]  ? check_preemption_disabled+0x48/0x280
[  392.724859]  ? __lock_is_held+0xb5/0x140
[  392.728924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.734451]  ? check_preemption_disabled+0x48/0x280
[  392.739460]  run_timer_softirq+0x52/0xb0
[  392.743613]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.748619]  __do_softirq+0x308/0xb7e
[  392.752409]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.756895]  ? lock_downgrade+0x900/0x900
[  392.761036]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.766133]  ? pvclock_read_flags+0x160/0x160
[  392.770621]  ? lapic_next_event+0x5a/0x90
[  392.774761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.780464]  ? kvm_clock_read+0x18/0x30
[  392.784467]  ? kvm_sched_clock_read+0x9/0x20
[  392.788870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.794408]  ? check_preemption_disabled+0x48/0x280
[  392.799423]  irq_exit+0x17f/0x1c0
[  392.802870]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.807699]  ? smp_reschedule_interrupt+0x109/0x650
[  392.812720]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.818594]  ? interrupt_entry+0xb5/0xc0
[  392.822649]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.827652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.832664]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.837499]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.842504]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.847513]  ? task_prio+0x50/0x50
[  392.851048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.856582]  ? check_preemption_disabled+0x48/0x280
[  392.861591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.866435]  apic_timer_interrupt+0xf/0x20
[  392.870654]  </IRQ>
[  392.872884] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.877811] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  392.896705] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.904410] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.911668] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  392.918947] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  392.926205] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.933465] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  392.940755]  skb_clone+0x1bb/0x500
[  392.944290]  ? finish_task_switch+0x2f4/0x910
[  392.948856]  ? skb_split+0x11e0/0x11e0
[  392.952733]  ? preempt_notifier_register+0x200/0x200
[  392.957823]  ? __switch_to_asm+0x34/0x70
[  392.961868]  ? __switch_to_asm+0x34/0x70
[  392.965918]  ? __switch_to_asm+0x40/0x70
[  392.969968]  ? __switch_to_asm+0x34/0x70
[  392.974017]  ? __switch_to_asm+0x40/0x70
[  392.978065]  ? __switch_to_asm+0x34/0x70
[  392.982111]  ? __switch_to_asm+0x40/0x70
[  392.986161]  ? __switch_to_asm+0x34/0x70
[  392.990237]  ? __switch_to_asm+0x34/0x70
[  392.994286]  ? __switch_to_asm+0x40/0x70
[  392.998333]  ? __switch_to_asm+0x34/0x70
[  393.002385]  bpf_clone_redirect+0xb9/0x490
[  393.006610]  ? __schedule+0x8d7/0x21d0
[  393.010489]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  393.015495]  ? __sched_text_start+0x8/0x8
[  393.019635]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  393.024403]  ? find_held_lock+0x36/0x1c0
[  393.028472]  ? lock_acquire+0x1ed/0x520
[  393.032436]  ? bpf_test_run+0x3ee/0x7a0
[  393.036398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.041924]  ? check_preemption_disabled+0x48/0x280
[  393.046935]  ? kasan_check_read+0x11/0x20
[  393.051074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.056338]  ? rcu_softirq_qs+0x20/0x20
[  393.060304]  ? preempt_schedule+0x4d/0x60
[  393.064446]  ? ___preempt_schedule+0x16/0x18
[  393.068849]  ? bpf_test_run+0x271/0x7a0
[  393.072823]  ? netlink_diag_dump+0x2a0/0x2a0
[  393.077235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.082778]  ? bpf_test_init.isra.10+0x70/0x100
[  393.087438]  ? bpf_prog_test_run_skb+0x762/0xd60
[  393.092189]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.097033]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.102561]  ? fput+0x130/0x1a0
[  393.105831]  ? __bpf_prog_get+0x9b/0x290
[  393.109883]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.114713]  ? bpf_prog_test_run+0x130/0x1a0
[  393.119115]  ? __x64_sys_bpf+0x3d8/0x520
[  393.123178]  ? bpf_prog_get+0x20/0x20
[  393.127010]  ? do_syscall_64+0x1b9/0x820
[  393.131062]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  393.136428]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.141357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.146195]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.151203]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.156234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.161764]  ? prepare_exit_to_usermode+0x291/0x3b0
[  393.166791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.171636]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.177013] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  393.177086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.183848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.183853] Call Trace:
[  393.183870]  dump_stack+0x244/0x39d
[  393.183889]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.190427] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.199711]  warn_alloc.cold.116+0xb7/0x1bd
[  393.202259] syz-executor5 cpuset=syz5 mems_allowed=0
[  393.205870]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.235709]  ? lock_downgrade+0x900/0x900
[  393.239850]  ? trace_hardirqs_off+0xb8/0x310
[  393.244258]  ? trace_hardirqs_off+0xb8/0x310
[  393.248674]  __alloc_pages_slowpath+0x2651/0x2de0
[  393.253534]  ? warn_alloc+0x120/0x120
[  393.257332]  ? print_usage_bug+0xc0/0xc0
[  393.261391]  ? warn_alloc+0x120/0x120
[  393.265188]  ? warn_alloc+0x120/0x120
[  393.268980]  ? print_usage_bug+0xc0/0xc0
[  393.273034]  ? print_usage_bug+0xc0/0xc0
[  393.277089]  ? __lock_acquire+0x62f/0x4c20
[  393.281317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.286862]  ? should_fail+0x22d/0xd01
[  393.290745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.295837]  ? __lock_acquire+0x62f/0x4c20
[  393.300062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.305244]  ? __lock_acquire+0x62f/0x4c20
[  393.309466]  ? should_fail+0x22d/0xd01
[  393.313357]  ? find_held_lock+0x36/0x1c0
[  393.317419]  ? mark_held_locks+0x130/0x130
[  393.321649]  ? mark_held_locks+0x130/0x130
[  393.325885]  ? zap_class+0x640/0x640
[  393.329595]  ? zap_class+0x640/0x640
[  393.333306]  ? print_usage_bug+0xc0/0xc0
[  393.337357]  ? do_raw_spin_unlock+0xa7/0x330
[  393.341754]  ? zap_class+0x640/0x640
[  393.345544]  ? print_usage_bug+0xc0/0xc0
[  393.349617]  ? wq_watchdog_touch+0x9c/0xfe
[  393.353848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.359375]  ? check_preemption_disabled+0x48/0x280
[  393.364408]  ? __lock_is_held+0xb5/0x140
[  393.368473]  __alloc_pages_nodemask+0xad8/0xea0
[  393.373142]  ? zap_class+0x640/0x640
[  393.376855]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  393.381886]  ? find_held_lock+0x36/0x1c0
[  393.385947]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.390631]  ? lock_downgrade+0x900/0x900
[  393.394786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.400317]  cache_grow_begin+0xa5/0x8c0
[  393.404367]  ? do_raw_spin_unlock+0xa7/0x330
[  393.408769]  fallback_alloc+0x204/0x2e0
[  393.412739]  ____cache_alloc_node+0x1c7/0x1e0
[  393.417343]  kmem_cache_alloc_node+0xe3/0x730
[  393.421835]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.426099]  __alloc_skb+0x119/0x770
[  393.429809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.435084]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.439487]  ? lock_downgrade+0x900/0x900
[  393.443637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.449183]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.455126]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.460571]  ? addrconf_rs_timer+0x690/0x690
[  393.464984]  ndisc_alloc_skb+0x144/0x340
[  393.469055]  ndisc_send_rs+0x331/0x6e0
[  393.472958]  addrconf_rs_timer+0x314/0x690
[  393.477193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.481433]  call_timer_fn+0x272/0x920
[  393.485317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.489546]  ? process_timeout+0x40/0x40
[  393.493612]  ? __run_timers+0x7da/0xc70
[  393.497593]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.502081]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.506571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.510806]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.515382]  ? trace_hardirqs_on+0xbd/0x310
[  393.520200]  ? kasan_check_read+0x11/0x20
[  393.524340]  ? __run_timers+0x7da/0xc70
[  393.528413]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.533514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.537747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.541978]  __run_timers+0x7e5/0xc70
[  393.545784]  ? timer_fixup_init+0x70/0x70
[  393.549940]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.554428]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.558923]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.563502]  ? trace_hardirqs_on+0xbd/0x310
[  393.567818]  ? kasan_check_read+0x11/0x20
[  393.571966]  ? finish_task_switch+0x1f4/0x910
[  393.576459]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.581556]  ? compat_start_thread+0x80/0x80
[  393.585975]  ? pvclock_read_flags+0x160/0x160
[  393.590463]  ? __switch_to_asm+0x34/0x70
[  393.594519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.600054]  ? check_preemption_disabled+0x48/0x280
[  393.605094]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  393.610626]  ? rcu_pm_notify+0xc0/0xc0
[  393.614520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.620147]  ? check_preemption_disabled+0x48/0x280
[  393.625161]  run_timer_softirq+0x52/0xb0
[  393.629213]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.634226]  __do_softirq+0x308/0xb7e
[  393.638019]  ? retint_kernel+0x2d/0x2d
[  393.641903]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.646997]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.652454]  ? retint_kernel+0x2d/0x2d
[  393.656348]  ? schedule+0x108/0x460
[  393.659979]  ? trace_hardirqs_off+0xb8/0x310
[  393.664391]  ? smpboot_thread_fn+0x68b/0xa00
[  393.668786]  ? trace_hardirqs_on+0x310/0x310
[  393.673183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.678709]  ? check_preemption_disabled+0x48/0x280
[  393.683730]  ? takeover_tasklets+0xa90/0xa90
[  393.688143]  run_ksoftirqd+0x5e/0x100
[  393.691936]  smpboot_thread_fn+0x68b/0xa00
[  393.696162]  ? sort_range+0x30/0x30
[  393.699785]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.704892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.710439]  ? __kthread_parkme+0xfb/0x1a0
[  393.714666]  ? sort_range+0x30/0x30
[  393.718298]  kthread+0x35a/0x440
[  393.721914]  ? kthread_stop+0x900/0x900
[  393.725877]  ret_from_fork+0x3a/0x50
[  393.729593] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  393.729597] warn_alloc_show_mem: 1 callbacks suppressed
[  393.729603] Mem-Info:
[  393.736961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.742321] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  393.742321]  active_file:17 inactive_file:17 isolated_file:0
[  393.742321]  unevictable:0 dirty:0 writeback:0 unstable:0
[  393.742321]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  393.742321]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  393.742321]  free:13768 free_pcp:279 free_cma:0
[  393.744689] Call Trace:
[  393.754065] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  393.787072]  <IRQ>
[  393.789635] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  393.817292]  dump_stack+0x244/0x39d
[  393.819417] lowmem_reserve[]: 0 2818 6321 6321
[  393.845529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.849125] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  393.853710]  warn_alloc.cold.116+0xb7/0x1bd
[  393.858860] lowmem_reserve[]: 0 0 3503 3503
[  393.886377]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.890665] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  393.894974]  ? lock_downgrade+0x900/0x900
[  393.899781] lowmem_reserve[]: 0 0 0 0
[  393.928761]  ? trace_hardirqs_off+0xb8/0x310
[  393.932977] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  393.936768]  ? trace_hardirqs_off+0xb8/0x310
[  393.941142] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  393.954679]  __alloc_pages_slowpath+0x2651/0x2de0
[  393.959054] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  393.974240]  ? warn_alloc+0x120/0x120
[  393.979040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.993765]  ? print_usage_bug+0xc0/0xc0
[  393.997551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.006362]  ? warn_alloc+0x120/0x120
[  394.010393] 1758 total pagecache pages
[  394.018967]  ? warn_alloc+0x120/0x120
[  394.022741] 0 pages in swap cache
[  394.026610]  ? print_usage_bug+0xc0/0xc0
[  394.030389] Swap cache stats: add 0, delete 0, find 0/0
[  394.033823]  ? print_usage_bug+0xc0/0xc0
[  394.037852] Free swap  = 0kB
[  394.043295]  ? __lock_acquire+0x62f/0x4c20
[  394.047322] Total swap = 0kB
[  394.050331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.054533] 1965979 pages RAM
[  394.057535]  ? should_fail+0x22d/0xd01
[  394.063030] 0 pages HighMem/MovableOnly
[  394.063036] 342853 pages reserved
[  394.066128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.069979] 0 pages cma reserved
[  394.073953]  ? __lock_acquire+0x62f/0x4c20
[  394.077457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.082454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.082464]  ? __lock_acquire+0x62f/0x4c20
[  394.082477]  ? should_fail+0x22d/0xd01
[  394.085863] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.090026]  ? find_held_lock+0x36/0x1c0
[  394.096481] ksoftirqd/0 cpuset=/ mems_allowed=0
[  394.101567]  ? mark_held_locks+0x130/0x130
[  394.132828]  ? mark_held_locks+0x130/0x130
[  394.137051]  ? zap_class+0x640/0x640
[  394.140754]  ? zap_class+0x640/0x640
[  394.144459]  ? print_usage_bug+0xc0/0xc0
[  394.148510]  ? do_raw_spin_unlock+0xa7/0x330
[  394.152907]  ? zap_class+0x640/0x640
[  394.156621]  ? print_usage_bug+0xc0/0xc0
[  394.160681]  ? wq_watchdog_touch+0x9c/0xfe
[  394.164909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.170453]  ? check_preemption_disabled+0x48/0x280
[  394.175472]  ? __lock_is_held+0xb5/0x140
[  394.179526]  __alloc_pages_nodemask+0xad8/0xea0
[  394.184200]  ? zap_class+0x640/0x640
[  394.187924]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  394.193051]  ? find_held_lock+0x36/0x1c0
[  394.197115]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.201773]  ? lock_downgrade+0x900/0x900
[  394.205915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.211446]  cache_grow_begin+0xa5/0x8c0
[  394.215497]  ? do_raw_spin_unlock+0xa7/0x330
[  394.219899]  fallback_alloc+0x204/0x2e0
[  394.223865]  ____cache_alloc_node+0x1c7/0x1e0
[  394.228353]  kmem_cache_alloc_node+0xe3/0x730
[  394.232839]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.237073]  __alloc_skb+0x119/0x770
[  394.240779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.246046]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.250442]  ? lock_downgrade+0x900/0x900
[  394.254591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.260120]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.265593]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.271040]  ? addrconf_rs_timer+0x690/0x690
[  394.275468]  ndisc_alloc_skb+0x144/0x340
[  394.279542]  ndisc_send_rs+0x331/0x6e0
[  394.283452]  addrconf_rs_timer+0x314/0x690
[  394.287697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.291931]  call_timer_fn+0x272/0x920
[  394.295811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.300039]  ? process_timeout+0x40/0x40
[  394.304105]  ? __run_timers+0x7da/0xc70
[  394.308071]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.312685]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.317173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.321401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.325981]  ? trace_hardirqs_on+0xbd/0x310
[  394.330385]  ? kasan_check_read+0x11/0x20
[  394.334523]  ? __run_timers+0x7da/0xc70
[  394.338491]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.343593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.347823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.352045]  __run_timers+0x7e5/0xc70
[  394.355843]  ? timer_fixup_init+0x70/0x70
[  394.360001]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.365011]  ? zap_class+0x640/0x640
[  394.368729]  ? enqueue_hrtimer+0x1a5/0x560
[  394.372958]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.378145]  ? find_held_lock+0x36/0x1c0
[  394.382203]  ? zap_class+0x640/0x640
[  394.385932]  ? pvclock_read_flags+0x160/0x160
[  394.390424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.395954]  ? check_preemption_disabled+0x48/0x280
[  394.400974]  ? __lock_is_held+0xb5/0x140
[  394.405031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.410567]  ? check_preemption_disabled+0x48/0x280
[  394.415587]  run_timer_softirq+0x52/0xb0
[  394.419653]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.424665]  __do_softirq+0x308/0xb7e
[  394.428548]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.433042]  ? lock_downgrade+0x900/0x900
[  394.437184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.442282]  ? pvclock_read_flags+0x160/0x160
[  394.446782]  ? lapic_next_event+0x5a/0x90
[  394.451131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.456670]  ? kvm_clock_read+0x18/0x30
[  394.460635]  ? kvm_sched_clock_read+0x9/0x20
[  394.465038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.470591]  ? check_preemption_disabled+0x48/0x280
[  394.475622]  irq_exit+0x17f/0x1c0
[  394.479064]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.483898]  ? smp_reschedule_interrupt+0x109/0x650
[  394.488906]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.494782]  ? interrupt_entry+0xb5/0xc0
[  394.498835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.503840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.508847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.513686]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.518694]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.523712]  ? task_prio+0x50/0x50
[  394.527240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.532771]  ? check_preemption_disabled+0x48/0x280
[  394.537796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.542635]  apic_timer_interrupt+0xf/0x20
[  394.546859]  </IRQ>
[  394.549092] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  394.554016] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  394.572915] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  394.580611] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  394.587885] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  394.595146] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  394.602405] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  394.609672] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  394.616967]  skb_clone+0x1bb/0x500
[  394.620997]  ? finish_task_switch+0x2f4/0x910
[  394.625503]  ? skb_split+0x11e0/0x11e0
[  394.629387]  ? preempt_notifier_register+0x200/0x200
[  394.634482]  ? __switch_to_asm+0x34/0x70
[  394.638534]  ? __switch_to_asm+0x34/0x70
[  394.642588]  ? __switch_to_asm+0x40/0x70
[  394.646641]  ? __switch_to_asm+0x34/0x70
[  394.650695]  ? __switch_to_asm+0x40/0x70
[  394.654749]  ? __switch_to_asm+0x34/0x70
[  394.658797]  ? __switch_to_asm+0x40/0x70
[  394.662845]  ? __switch_to_asm+0x34/0x70
[  394.666893]  ? __switch_to_asm+0x34/0x70
[  394.670944]  ? __switch_to_asm+0x40/0x70
[  394.675000]  ? __switch_to_asm+0x34/0x70
[  394.679062]  bpf_clone_redirect+0xb9/0x490
[  394.683288]  ? __schedule+0x8d7/0x21d0
[  394.687170]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  394.692176]  ? __sched_text_start+0x8/0x8
[  394.696318]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  394.701077]  ? find_held_lock+0x36/0x1c0
[  394.705137]  ? lock_acquire+0x1ed/0x520
[  394.709104]  ? bpf_test_run+0x3ee/0x7a0
[  394.713069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.718596]  ? check_preemption_disabled+0x48/0x280
[  394.723606]  ? kasan_check_read+0x11/0x20
[  394.727739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.733001]  ? rcu_softirq_qs+0x20/0x20
[  394.736970]  ? preempt_schedule+0x4d/0x60
[  394.741112]  ? ___preempt_schedule+0x16/0x18
[  394.745517]  ? bpf_test_run+0x271/0x7a0
[  394.749493]  ? netlink_diag_dump+0x2a0/0x2a0
[  394.753892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.759451]  ? bpf_test_init.isra.10+0x70/0x100
[  394.764117]  ? bpf_prog_test_run_skb+0x762/0xd60
[  394.768873]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.773709]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.779240]  ? fput+0x130/0x1a0
[  394.782514]  ? __bpf_prog_get+0x9b/0x290
[  394.786576]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.791424]  ? bpf_prog_test_run+0x130/0x1a0
[  394.795827]  ? __x64_sys_bpf+0x3d8/0x520
[  394.799879]  ? bpf_prog_get+0x20/0x20
[  394.803683]  ? do_syscall_64+0x1b9/0x820
[  394.807751]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.813110]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.818052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.822888]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.827893]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.832902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.838438]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.843448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.848284]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.853651] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  394.853726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.860481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.860485] Call Trace:
[  394.860502]  dump_stack+0x244/0x39d
[  394.860529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.867083] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.876384]  warn_alloc.cold.116+0xb7/0x1bd
[  394.878928] syz-executor5 cpuset=syz5 mems_allowed=0
[  394.882547]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.912481]  ? lock_downgrade+0x900/0x900
[  394.916623]  ? trace_hardirqs_off+0xb8/0x310
[  394.921024]  ? trace_hardirqs_off+0xb8/0x310
[  394.925433]  __alloc_pages_slowpath+0x2651/0x2de0
[  394.930296]  ? warn_alloc+0x120/0x120
[  394.934089]  ? print_usage_bug+0xc0/0xc0
[  394.938139]  ? warn_alloc+0x120/0x120
[  394.942017]  ? warn_alloc+0x120/0x120
[  394.945806]  ? print_usage_bug+0xc0/0xc0
[  394.949871]  ? print_usage_bug+0xc0/0xc0
[  394.953919]  ? __lock_acquire+0x62f/0x4c20
[  394.958145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.963670]  ? should_fail+0x22d/0xd01
[  394.967556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.972743]  ? __lock_acquire+0x62f/0x4c20
[  394.976970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.982060]  ? __lock_acquire+0x62f/0x4c20
[  394.986293]  ? should_fail+0x22d/0xd01
[  394.990171]  ? find_held_lock+0x36/0x1c0
[  394.994226]  ? mark_held_locks+0x130/0x130
[  394.998455]  ? mark_held_locks+0x130/0x130
[  395.002684]  ? zap_class+0x640/0x640
[  395.006386]  ? zap_class+0x640/0x640
[  395.010087]  ? print_usage_bug+0xc0/0xc0
[  395.014142]  ? do_raw_spin_unlock+0xa7/0x330
[  395.018546]  ? zap_class+0x640/0x640
[  395.022249]  ? print_usage_bug+0xc0/0xc0
[  395.026302]  ? wq_watchdog_touch+0x9c/0xfe
[  395.030536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.036155]  ? check_preemption_disabled+0x48/0x280
[  395.041187]  ? __lock_is_held+0xb5/0x140
[  395.045244]  __alloc_pages_nodemask+0xad8/0xea0
[  395.049904]  ? zap_class+0x640/0x640
[  395.053619]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.058650]  ? find_held_lock+0x36/0x1c0
[  395.062706]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.067366]  ? lock_downgrade+0x900/0x900
[  395.071520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.077060]  cache_grow_begin+0xa5/0x8c0
[  395.081125]  ? do_raw_spin_unlock+0xa7/0x330
[  395.085568]  fallback_alloc+0x204/0x2e0
[  395.089573]  ____cache_alloc_node+0x1c7/0x1e0
[  395.094074]  kmem_cache_alloc_node+0xe3/0x730
[  395.098565]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.102793]  __alloc_skb+0x119/0x770
[  395.106522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.111808]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.116226]  ? lock_downgrade+0x900/0x900
[  395.120860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.126415]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.131870]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.137313]  ? addrconf_rs_timer+0x690/0x690
[  395.141739]  ndisc_alloc_skb+0x144/0x340
[  395.145811]  ndisc_send_rs+0x331/0x6e0
[  395.149697]  addrconf_rs_timer+0x314/0x690
[  395.153932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.158170]  call_timer_fn+0x272/0x920
[  395.162049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.166281]  ? process_timeout+0x40/0x40
[  395.170343]  ? __run_timers+0x7da/0xc70
[  395.174326]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.178813]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.183389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.187621]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.192222]  ? trace_hardirqs_on+0xbd/0x310
[  395.196540]  ? kasan_check_read+0x11/0x20
[  395.200691]  ? __run_timers+0x7da/0xc70
[  395.204677]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.209782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.214014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.218244]  __run_timers+0x7e5/0xc70
[  395.222049]  ? timer_fixup_init+0x70/0x70
[  395.226192]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.230681]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.235185]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.239768]  ? trace_hardirqs_on+0xbd/0x310
[  395.244089]  ? kasan_check_read+0x11/0x20
[  395.248234]  ? finish_task_switch+0x1f4/0x910
[  395.252727]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.257824]  ? compat_start_thread+0x80/0x80
[  395.262259]  ? pvclock_read_flags+0x160/0x160
[  395.266749]  ? __switch_to_asm+0x34/0x70
[  395.270806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.276352]  ? check_preemption_disabled+0x48/0x280
[  395.281369]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  395.286904]  ? rcu_pm_notify+0xc0/0xc0
[  395.290791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.296325]  ? check_preemption_disabled+0x48/0x280
[  395.301460]  run_timer_softirq+0x52/0xb0
[  395.305526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.310540]  __do_softirq+0x308/0xb7e
[  395.314340]  ? retint_kernel+0x2d/0x2d
[  395.318501]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.323618]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.329060]  ? retint_kernel+0x2d/0x2d
[  395.332945]  ? schedule+0x108/0x460
[  395.336581]  ? trace_hardirqs_off+0xb8/0x310
[  395.341000]  ? smpboot_thread_fn+0x68b/0xa00
[  395.345402]  ? trace_hardirqs_on+0x310/0x310
[  395.349804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.355342]  ? check_preemption_disabled+0x48/0x280
[  395.360364]  ? takeover_tasklets+0xa90/0xa90
[  395.364770]  run_ksoftirqd+0x5e/0x100
[  395.368570]  smpboot_thread_fn+0x68b/0xa00
[  395.372804]  ? sort_range+0x30/0x30
[  395.376425]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.381525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.387059]  ? __kthread_parkme+0xfb/0x1a0
[  395.391289]  ? sort_range+0x30/0x30
[  395.394907]  kthread+0x35a/0x440
[  395.398264]  ? kthread_stop+0x900/0x900
[  395.402228]  ret_from_fork+0x3a/0x50
[  395.405949] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  395.405953] warn_alloc_show_mem: 1 callbacks suppressed
[  395.405959] Mem-Info:
[  395.413331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.418692] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  395.418692]  active_file:17 inactive_file:17 isolated_file:0
[  395.418692]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.418692]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  395.418692]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  395.418692]  free:13768 free_pcp:279 free_cma:0
[  395.421064] Call Trace:
[  395.430529] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.463539]  <IRQ>
[  395.466105] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.493773]  dump_stack+0x244/0x39d
[  395.495890] lowmem_reserve[]: 0 2818 6321 6321
[  395.521986]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.525578] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  395.530154]  warn_alloc.cold.116+0xb7/0x1bd
[  395.535305] lowmem_reserve[]: 0 0 3503 3503
[  395.562701]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.567007] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  395.571317]  ? lock_downgrade+0x900/0x900
[  395.576146] lowmem_reserve[]: 0 0 0 0
[  395.605236]  ? trace_hardirqs_off+0xb8/0x310
[  395.609361] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  395.613150]  ? trace_hardirqs_off+0xb8/0x310
[  395.617526] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  395.631047]  __alloc_pages_slowpath+0x2651/0x2de0
[  395.635422] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  395.650622]  ? warn_alloc+0x120/0x120
[  395.655426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.670164]  ? print_usage_bug+0xc0/0xc0
[  395.673937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.682761]  ? warn_alloc+0x120/0x120
[  395.686789] 1758 total pagecache pages
[  395.695345]  ? warn_alloc+0x120/0x120
[  395.699122] 0 pages in swap cache
[  395.702990]  ? print_usage_bug+0xc0/0xc0
[  395.706774] Swap cache stats: add 0, delete 0, find 0/0
[  395.710208]  ? print_usage_bug+0xc0/0xc0
[  395.714235] Free swap  = 0kB
[  395.719666]  ? __lock_acquire+0x62f/0x4c20
[  395.723697] Total swap = 0kB
[  395.726721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.730924] 1965979 pages RAM
[  395.733926]  ? should_fail+0x22d/0xd01
[  395.739430] 0 pages HighMem/MovableOnly
[  395.742637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.746491] 342853 pages reserved
[  395.750454]  ? __lock_acquire+0x62f/0x4c20
[  395.755532] 0 pages cma reserved
[  395.758972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.758990]  ? __lock_acquire+0x62f/0x4c20
[  395.763297] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.766547]  ? should_fail+0x22d/0xd01
[  395.771733] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.775869]  ? mark_held_locks+0x130/0x130
[  395.782324] ksoftirqd/0 cpuset=/ mems_allowed=0
[  395.786315]  ? mark_held_locks+0x130/0x130
[  395.809705]  ? zap_class+0x640/0x640
[  395.813439]  ? zap_class+0x640/0x640
[  395.817156]  ? print_usage_bug+0xc0/0xc0
[  395.821212]  ? wq_watchdog_touch+0x9c/0xfe
[  395.825453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.830986]  ? check_preemption_disabled+0x48/0x280
[  395.836002]  ? __lock_is_held+0xb5/0x140
[  395.840070]  __alloc_pages_nodemask+0xad8/0xea0
[  395.844729]  ? zap_class+0x640/0x640
[  395.848445]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.853462]  ? find_held_lock+0x36/0x1c0
[  395.857522]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.862185]  ? lock_downgrade+0x900/0x900
[  395.866333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.871877]  cache_grow_begin+0xa5/0x8c0
[  395.875952]  ? do_raw_spin_unlock+0xa7/0x330
[  395.880363]  fallback_alloc+0x204/0x2e0
[  395.884333]  ____cache_alloc_node+0x1c7/0x1e0
[  395.888821]  kmem_cache_alloc_node+0xe3/0x730
[  395.893311]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.897566]  __alloc_skb+0x119/0x770
[  395.901285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.906561]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.910967]  ? lock_downgrade+0x900/0x900
[  395.915114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.920637]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.926102]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.931547]  ? addrconf_rs_timer+0x690/0x690
[  395.935959]  ndisc_alloc_skb+0x144/0x340
[  395.940014]  ndisc_send_rs+0x331/0x6e0
[  395.943914]  addrconf_rs_timer+0x314/0x690
[  395.948146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.952379]  call_timer_fn+0x272/0x920
[  395.956256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.960477]  ? process_timeout+0x40/0x40
[  395.964549]  ? __run_timers+0x7da/0xc70
[  395.968519]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.973003]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.977570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.981813]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.986390]  ? trace_hardirqs_on+0xbd/0x310
[  395.990811]  ? kasan_check_read+0x11/0x20
[  395.994945]  ? __run_timers+0x7da/0xc70
[  395.998916]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.004039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.008260]  __run_timers+0x7e5/0xc70
[  396.012059]  ? timer_fixup_init+0x70/0x70
[  396.016196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.021545]  ? zap_class+0x640/0x640
[  396.025247]  ? enqueue_hrtimer+0x1a5/0x560
[  396.029559]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.034745]  ? find_held_lock+0x36/0x1c0
[  396.038799]  ? zap_class+0x640/0x640
[  396.042534]  ? pvclock_read_flags+0x160/0x160
[  396.047019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.052548]  ? check_preemption_disabled+0x48/0x280
[  396.057563]  ? __lock_is_held+0xb5/0x140
[  396.061662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.067191]  ? check_preemption_disabled+0x48/0x280
[  396.072207]  run_timer_softirq+0x52/0xb0
[  396.076259]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.081263]  __do_softirq+0x308/0xb7e
[  396.085069]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.089552]  ? lock_downgrade+0x900/0x900
[  396.093694]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.098790]  ? pvclock_read_flags+0x160/0x160
[  396.103290]  ? lapic_next_event+0x5a/0x90
[  396.107434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.112964]  ? kvm_clock_read+0x18/0x30
[  396.116942]  ? kvm_sched_clock_read+0x9/0x20
[  396.121344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.126886]  ? check_preemption_disabled+0x48/0x280
[  396.131900]  irq_exit+0x17f/0x1c0
[  396.135347]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.140180]  ? smp_reschedule_interrupt+0x109/0x650
[  396.145190]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.151063]  ? interrupt_entry+0xb5/0xc0
[  396.155225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.160230]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.165238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.170076]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.175100]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.180107]  ? task_prio+0x50/0x50
[  396.183638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.189169]  ? check_preemption_disabled+0x48/0x280
[  396.194178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.199021]  apic_timer_interrupt+0xf/0x20
[  396.203248]  </IRQ>
[  396.205492] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  396.210419] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  396.229339] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.237035] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  396.244293] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  396.251552] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  396.258813] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  396.266076] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  396.273362]  skb_clone+0x1bb/0x500
[  396.276925]  ? finish_task_switch+0x2f4/0x910
[  396.281422]  ? skb_split+0x11e0/0x11e0
[  396.285301]  ? preempt_notifier_register+0x200/0x200
[  396.290398]  ? __switch_to_asm+0x34/0x70
[  396.294452]  ? __switch_to_asm+0x34/0x70
[  396.298503]  ? __switch_to_asm+0x40/0x70
[  396.302551]  ? __switch_to_asm+0x34/0x70
[  396.306598]  ? __switch_to_asm+0x40/0x70
[  396.310652]  ? __switch_to_asm+0x34/0x70
[  396.314704]  ? __switch_to_asm+0x40/0x70
[  396.318752]  ? __switch_to_asm+0x34/0x70
[  396.322816]  ? __switch_to_asm+0x34/0x70
[  396.326884]  ? __switch_to_asm+0x40/0x70
[  396.331022]  ? __switch_to_asm+0x34/0x70
[  396.335086]  bpf_clone_redirect+0xb9/0x490
[  396.339315]  ? __schedule+0x8d7/0x21d0
[  396.343199]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  396.348205]  ? __sched_text_start+0x8/0x8
[  396.352341]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  396.357099]  ? find_held_lock+0x36/0x1c0
[  396.361171]  ? lock_acquire+0x1ed/0x520
[  396.365138]  ? bpf_test_run+0x3ee/0x7a0
[  396.369102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.374632]  ? check_preemption_disabled+0x48/0x280
[  396.379650]  ? kasan_check_read+0x11/0x20
[  396.383786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.389228]  ? rcu_softirq_qs+0x20/0x20
[  396.393193]  ? preempt_schedule+0x4d/0x60
[  396.397332]  ? ___preempt_schedule+0x16/0x18
[  396.401740]  ? bpf_test_run+0x271/0x7a0
[  396.405718]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.410119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.415644]  ? bpf_test_init.isra.10+0x70/0x100
[  396.420308]  ? bpf_prog_test_run_skb+0x762/0xd60
[  396.425062]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.429919]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.435465]  ? fput+0x130/0x1a0
[  396.438740]  ? __bpf_prog_get+0x9b/0x290
[  396.442797]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.447626]  ? bpf_prog_test_run+0x130/0x1a0
[  396.452562]  ? __x64_sys_bpf+0x3d8/0x520
[  396.456614]  ? bpf_prog_get+0x20/0x20
[  396.460766]  ? do_syscall_64+0x1b9/0x820
[  396.464818]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.470175]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.475091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.479927]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.484934]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.489942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.495478]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.500490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.505332]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.510703] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  396.510781] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.517533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.517540] Call Trace:
[  396.524084] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.533358]  dump_stack+0x244/0x39d
[  396.535912] syz-executor5 cpuset=syz5 mems_allowed=0
[  396.546396]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.560360]  warn_alloc.cold.116+0xb7/0x1bd
[  396.565079]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.569939]  ? lock_downgrade+0x900/0x900
[  396.574196]  ? trace_hardirqs_off+0xb8/0x310
[  396.578609]  ? trace_hardirqs_off+0xb8/0x310
[  396.583018]  __alloc_pages_slowpath+0x2651/0x2de0
[  396.587895]  ? warn_alloc+0x120/0x120
[  396.591760]  ? print_usage_bug+0xc0/0xc0
[  396.595822]  ? warn_alloc+0x120/0x120
[  396.599639]  ? warn_alloc+0x120/0x120
[  396.603441]  ? print_usage_bug+0xc0/0xc0
[  396.607502]  ? print_usage_bug+0xc0/0xc0
[  396.611556]  ? __lock_acquire+0x62f/0x4c20
[  396.615802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.621933]  ? should_fail+0x22d/0xd01
[  396.625827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.630925]  ? __lock_acquire+0x62f/0x4c20
[  396.635154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.640248]  ? __lock_acquire+0x62f/0x4c20
[  396.644476]  ? should_fail+0x22d/0xd01
[  396.648382]  ? find_held_lock+0x36/0x1c0
[  396.652457]  ? mark_held_locks+0x130/0x130
[  396.656721]  ? mark_held_locks+0x130/0x130
[  396.660953]  ? zap_class+0x640/0x640
[  396.664676]  ? mark_held_locks+0xc7/0x130
[  396.668816]  ? do_raw_spin_unlock+0xa7/0x330
[  396.673217]  ? zap_class+0x640/0x640
[  396.676928]  ? print_usage_bug+0xc0/0xc0
[  396.680996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.686540]  ? check_preemption_disabled+0x48/0x280
[  396.691579]  ? __lock_is_held+0xb5/0x140
[  396.695652]  __alloc_pages_nodemask+0xad8/0xea0
[  396.700315]  ? zap_class+0x640/0x640
[  396.704024]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  396.709084]  ? find_held_lock+0x36/0x1c0
[  396.713163]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.717857]  ? lock_downgrade+0x900/0x900
[  396.722004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.727643]  cache_grow_begin+0xa5/0x8c0
[  396.731705]  ? do_raw_spin_unlock+0xa7/0x330
[  396.736110]  fallback_alloc+0x204/0x2e0
[  396.740084]  ____cache_alloc_node+0x1c7/0x1e0
[  396.744581]  kmem_cache_alloc_node+0xe3/0x730
[  396.749188]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.753428]  __alloc_skb+0x119/0x770
[  396.757134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.762408]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.766824]  ? lock_downgrade+0x900/0x900
[  396.770970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.776521]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.781981]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.787432]  ? addrconf_rs_timer+0x690/0x690
[  396.791848]  ndisc_alloc_skb+0x144/0x340
[  396.795913]  ndisc_send_rs+0x331/0x6e0
[  396.799796]  addrconf_rs_timer+0x314/0x690
[  396.804109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.808345]  call_timer_fn+0x272/0x920
[  396.812229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.816478]  ? process_timeout+0x40/0x40
[  396.820541]  ? __run_timers+0x7da/0xc70
[  396.824513]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.829011]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.833497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.837724]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.842298]  ? trace_hardirqs_on+0xbd/0x310
[  396.846613]  ? kasan_check_read+0x11/0x20
[  396.850755]  ? __run_timers+0x7da/0xc70
[  396.854734]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.859836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.864078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.868301]  __run_timers+0x7e5/0xc70
[  396.872101]  ? timer_fixup_init+0x70/0x70
[  396.876241]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.880720]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.885207]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.889783]  ? trace_hardirqs_on+0xbd/0x310
[  396.894092]  ? kasan_check_read+0x11/0x20
[  396.898233]  ? finish_task_switch+0x1f4/0x910
[  396.902724]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.907833]  ? compat_start_thread+0x80/0x80
[  396.912270]  ? pvclock_read_flags+0x160/0x160
[  396.916751]  ? __switch_to_asm+0x34/0x70
[  396.920802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.926353]  ? check_preemption_disabled+0x48/0x280
[  396.931419]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  396.936960]  ? rcu_pm_notify+0xc0/0xc0
[  396.940846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.946380]  ? check_preemption_disabled+0x48/0x280
[  396.951395]  run_timer_softirq+0x52/0xb0
[  396.955455]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.960469]  __do_softirq+0x308/0xb7e
[  396.964284]  ? retint_kernel+0x2d/0x2d
[  396.968168]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.973285]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.978736]  ? retint_kernel+0x2d/0x2d
[  396.982623]  ? schedule+0x108/0x460
[  396.986267]  ? trace_hardirqs_off+0xb8/0x310
[  396.990673]  ? smpboot_thread_fn+0x68b/0xa00
[  396.995167]  ? trace_hardirqs_on+0x310/0x310
[  396.999570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.005112]  ? check_preemption_disabled+0x48/0x280
[  397.010119]  ? takeover_tasklets+0xa90/0xa90
[  397.014518]  run_ksoftirqd+0x5e/0x100
[  397.018319]  smpboot_thread_fn+0x68b/0xa00
[  397.022583]  ? sort_range+0x30/0x30
[  397.026208]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.031311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.036859]  ? __kthread_parkme+0xfb/0x1a0
[  397.041094]  ? sort_range+0x30/0x30
[  397.044710]  kthread+0x35a/0x440
[  397.048074]  ? kthread_stop+0x900/0x900
[  397.052041]  ret_from_fork+0x3a/0x50
[  397.055763] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  397.055768] warn_alloc_show_mem: 1 callbacks suppressed
[  397.055778] Mem-Info:
[  397.063230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.068615] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  397.068615]  active_file:17 inactive_file:17 isolated_file:0
[  397.068615]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.068615]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  397.068615]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  397.068615]  free:13768 free_pcp:279 free_cma:0
[  397.070955] Call Trace:
[  397.080407] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.113932]  <IRQ>
[  397.116490] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.144146]  dump_stack+0x244/0x39d
[  397.146262] lowmem_reserve[]: 0 2818 6321 6321
[  397.172356]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.175951] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  397.180536]  warn_alloc.cold.116+0xb7/0x1bd
[  397.185681] lowmem_reserve[]: 0 0 3503 3503
[  397.213340]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.217629] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  397.221938]  ? lock_downgrade+0x900/0x900
[  397.226751] lowmem_reserve[]: 0 0 0 0
[  397.255716]  ? trace_hardirqs_off+0xb8/0x310
[  397.259841] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  397.263628]  ? trace_hardirqs_off+0xb8/0x310
[  397.268012] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  397.281521]  __alloc_pages_slowpath+0x2651/0x2de0
[  397.285895] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  397.301064]  ? warn_alloc+0x120/0x120
[  397.305862] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.321195]  ? print_usage_bug+0xc0/0xc0
[  397.324974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.333785]  ? warn_alloc+0x120/0x120
[  397.337825] 1758 total pagecache pages
[  397.346860]  ? warn_alloc+0x120/0x120
[  397.350640] 0 pages in swap cache
[  397.354523]  ? print_usage_bug+0xc0/0xc0
[  397.358316] Swap cache stats: add 0, delete 0, find 0/0
[  397.361747]  ? kvm_clock_read+0x18/0x30
[  397.365780] Free swap  = 0kB
[  397.371125]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.375168] Total swap = 0kB
[  397.378168]  ? print_usage_bug+0xc0/0xc0
[  397.383154] 1965979 pages RAM
[  397.386175]  ? __lock_acquire+0x62f/0x4c20
[  397.390203] 0 pages HighMem/MovableOnly
[  397.390210] 342853 pages reserved
[  397.393321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.397524] 0 pages cma reserved
[  397.401479]  ? should_fail+0x22d/0xd01
[  397.404980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.410427]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.410443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.413852] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.417664]  ? __lock_acquire+0x62f/0x4c20
[  397.424129] ksoftirqd/0 cpuset=/ mems_allowed=0
[  397.429396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.458764]  ? __lock_acquire+0x62f/0x4c20
[  397.463016]  ? should_fail+0x22d/0xd01
[  397.466907]  ? rcu_irq_exit+0x1a2/0x390
[  397.470883]  ? mark_held_locks+0x130/0x130
[  397.475113]  ? mark_held_locks+0x130/0x130
[  397.479345]  ? mark_held_locks+0xc7/0x130
[  397.483488]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.488509]  ? zap_class+0x640/0x640
[  397.492232]  ? print_usage_bug+0xc0/0xc0
[  397.496294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.501824]  ? check_preemption_disabled+0x48/0x280
[  397.506841]  ? __lock_is_held+0xb5/0x140
[  397.510901]  __alloc_pages_nodemask+0xad8/0xea0
[  397.515565]  ? zap_class+0x640/0x640
[  397.519273]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  397.524305]  ? find_held_lock+0x36/0x1c0
[  397.528366]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.533030]  ? lock_downgrade+0x900/0x900
[  397.537177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.542705]  cache_grow_begin+0xa5/0x8c0
[  397.546756]  ? do_raw_spin_unlock+0xa7/0x330
[  397.551170]  fallback_alloc+0x204/0x2e0
[  397.555171]  ____cache_alloc_node+0x1c7/0x1e0
[  397.559659]  kmem_cache_alloc_node+0xe3/0x730
[  397.564149]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.568387]  __alloc_skb+0x119/0x770
[  397.572087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.577357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.581758]  ? lock_downgrade+0x900/0x900
[  397.585913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.591451]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.596893]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.602362]  ? addrconf_rs_timer+0x690/0x690
[  397.606772]  ndisc_alloc_skb+0x144/0x340
[  397.610826]  ndisc_send_rs+0x331/0x6e0
[  397.614706]  addrconf_rs_timer+0x314/0x690
[  397.618936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.623169]  call_timer_fn+0x272/0x920
[  397.627043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.631272]  ? process_timeout+0x40/0x40
[  397.635331]  ? __run_timers+0x7da/0xc70
[  397.639298]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.643781]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.648273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.652504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.657100]  ? trace_hardirqs_on+0xbd/0x310
[  397.661409]  ? kasan_check_read+0x11/0x20
[  397.665561]  ? __run_timers+0x7da/0xc70
[  397.669524]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.674624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.678855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.683080]  __run_timers+0x7e5/0xc70
[  397.686895]  ? timer_fixup_init+0x70/0x70
[  397.691043]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.696064]  ? zap_class+0x640/0x640
[  397.699787]  ? enqueue_hrtimer+0x1a5/0x560
[  397.704015]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.709217]  ? find_held_lock+0x36/0x1c0
[  397.713294]  ? zap_class+0x640/0x640
[  397.717270]  ? pvclock_read_flags+0x160/0x160
[  397.721762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.727296]  ? check_preemption_disabled+0x48/0x280
[  397.732315]  ? __lock_is_held+0xb5/0x140
[  397.736363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.741898]  ? check_preemption_disabled+0x48/0x280
[  397.746906]  run_timer_softirq+0x52/0xb0
[  397.750974]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.755979]  __do_softirq+0x308/0xb7e
[  397.759780]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.764284]  ? lock_downgrade+0x900/0x900
[  397.768425]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.773533]  ? pvclock_read_flags+0x160/0x160
[  397.778042]  ? lapic_next_event+0x5a/0x90
[  397.782183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.787718]  ? kvm_clock_read+0x18/0x30
[  397.791684]  ? kvm_sched_clock_read+0x9/0x20
[  397.796089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.801621]  ? check_preemption_disabled+0x48/0x280
[  397.806751]  irq_exit+0x17f/0x1c0
[  397.810197]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.815030]  ? smp_reschedule_interrupt+0x109/0x650
[  397.820043]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.825925]  ? interrupt_entry+0xb5/0xc0
[  397.830000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.835095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.840108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.844955]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.849961]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.854967]  ? task_prio+0x50/0x50
[  397.858503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.864034]  ? check_preemption_disabled+0x48/0x280
[  397.869048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.873889]  apic_timer_interrupt+0xf/0x20
[  397.878123]  </IRQ>
[  397.880370] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  397.885302] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  397.904202] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.911894] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  397.919150] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  397.926410] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  397.933767] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  397.941028] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  397.948315]  skb_clone+0x1bb/0x500
[  397.951864]  ? finish_task_switch+0x2f4/0x910
[  397.956369]  ? skb_split+0x11e0/0x11e0
[  397.960256]  ? preempt_notifier_register+0x200/0x200
[  397.965350]  ? __switch_to_asm+0x34/0x70
[  397.969399]  ? __switch_to_asm+0x34/0x70
[  397.973458]  ? __switch_to_asm+0x40/0x70
[  397.977517]  ? __switch_to_asm+0x34/0x70
[  397.981680]  ? __switch_to_asm+0x40/0x70
[  397.985833]  ? __switch_to_asm+0x34/0x70
[  397.989880]  ? __switch_to_asm+0x40/0x70
[  397.993935]  ? __switch_to_asm+0x34/0x70
[  397.998276]  ? __switch_to_asm+0x34/0x70
[  398.002328]  ? __switch_to_asm+0x40/0x70
[  398.006379]  ? __switch_to_asm+0x34/0x70
[  398.010441]  bpf_clone_redirect+0xb9/0x490
[  398.014664]  ? __schedule+0x8d7/0x21d0
[  398.018546]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  398.023578]  ? __sched_text_start+0x8/0x8
[  398.027713]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.032466]  ? find_held_lock+0x36/0x1c0
[  398.036520]  ? lock_acquire+0x1ed/0x520
[  398.040482]  ? bpf_test_run+0x3ee/0x7a0
[  398.044447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.050061]  ? check_preemption_disabled+0x48/0x280
[  398.055071]  ? kasan_check_read+0x11/0x20
[  398.059204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.064476]  ? rcu_softirq_qs+0x20/0x20
[  398.068439]  ? preempt_schedule+0x4d/0x60
[  398.072588]  ? ___preempt_schedule+0x16/0x18
[  398.076996]  ? bpf_test_run+0x271/0x7a0
[  398.080974]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.085378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.090905]  ? bpf_test_init.isra.10+0x70/0x100
[  398.095572]  ? bpf_prog_test_run_skb+0x762/0xd60
[  398.100325]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.105164]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.110690]  ? fput+0x130/0x1a0
[  398.113960]  ? __bpf_prog_get+0x9b/0x290
[  398.118022]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.122862]  ? bpf_prog_test_run+0x130/0x1a0
[  398.127280]  ? __x64_sys_bpf+0x3d8/0x520
[  398.131332]  ? bpf_prog_get+0x20/0x20
[  398.135140]  ? do_syscall_64+0x1b9/0x820
[  398.139195]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.144559]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.149485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.154323]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.159334]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.164343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.169871]  ? prepare_exit_to_usermode+0x291/0x3b0
[  398.174888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.179742]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.185123] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  398.185198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.191963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.191971] Call Trace:
[  398.191994]  dump_stack+0x244/0x39d
[  398.192018]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.198541] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.207832]  warn_alloc.cold.116+0xb7/0x1bd
[  398.210380] syz-executor5 cpuset=syz5 mems_allowed=0
[  398.213993]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.244318]  ? lock_downgrade+0x900/0x900
[  398.248462]  ? trace_hardirqs_off+0xb8/0x310
[  398.252865]  ? trace_hardirqs_off+0xb8/0x310
[  398.257302]  __alloc_pages_slowpath+0x2651/0x2de0
[  398.262161]  ? warn_alloc+0x120/0x120
[  398.265965]  ? print_usage_bug+0xc0/0xc0
[  398.270023]  ? warn_alloc+0x120/0x120
[  398.273821]  ? warn_alloc+0x120/0x120
[  398.277618]  ? print_usage_bug+0xc0/0xc0
[  398.281678]  ? print_usage_bug+0xc0/0xc0
[  398.285747]  ? __lock_acquire+0x62f/0x4c20
[  398.290025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.295558]  ? should_fail+0x22d/0xd01
[  398.299440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.304535]  ? __lock_acquire+0x62f/0x4c20
[  398.308772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.313874]  ? __lock_acquire+0x62f/0x4c20
[  398.318097]  ? should_fail+0x22d/0xd01
[  398.321980]  ? find_held_lock+0x36/0x1c0
[  398.326042]  ? mark_held_locks+0x130/0x130
[  398.330277]  ? mark_held_locks+0x130/0x130
[  398.334500]  ? zap_class+0x640/0x640
[  398.338213]  ? mark_held_locks+0xc7/0x130
[  398.342355]  ? do_raw_spin_unlock+0xa7/0x330
[  398.346757]  ? zap_class+0x640/0x640
[  398.350472]  ? print_usage_bug+0xc0/0xc0
[  398.354525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.360072]  ? check_preemption_disabled+0x48/0x280
[  398.365087]  ? __lock_is_held+0xb5/0x140
[  398.369143]  __alloc_pages_nodemask+0xad8/0xea0
[  398.373811]  ? zap_class+0x640/0x640
[  398.377527]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  398.382555]  ? find_held_lock+0x36/0x1c0
[  398.386627]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.391291]  ? lock_downgrade+0x900/0x900
[  398.395455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.401105]  cache_grow_begin+0xa5/0x8c0
[  398.405159]  ? do_raw_spin_unlock+0xa7/0x330
[  398.409568]  fallback_alloc+0x204/0x2e0
[  398.413541]  ____cache_alloc_node+0x1c7/0x1e0
[  398.418040]  kmem_cache_alloc_node+0xe3/0x730
[  398.422526]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.426760]  __alloc_skb+0x119/0x770
[  398.430464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.435738]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.440139]  ? lock_downgrade+0x900/0x900
[  398.444291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.450064]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.455517]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.460976]  ? addrconf_rs_timer+0x690/0x690
[  398.465386]  ndisc_alloc_skb+0x144/0x340
[  398.469443]  ndisc_send_rs+0x331/0x6e0
[  398.473325]  addrconf_rs_timer+0x314/0x690
[  398.477554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.481788]  call_timer_fn+0x272/0x920
[  398.485664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.489905]  ? process_timeout+0x40/0x40
[  398.493961]  ? __run_timers+0x7da/0xc70
[  398.497951]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.502441]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.506927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.511161]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.515751]  ? trace_hardirqs_on+0xbd/0x310
[  398.520064]  ? kasan_check_read+0x11/0x20
[  398.524225]  ? __run_timers+0x7da/0xc70
[  398.528212]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.533321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.537553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.541777]  __run_timers+0x7e5/0xc70
[  398.545585]  ? timer_fixup_init+0x70/0x70
[  398.549724]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.554216]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.558701]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.563272]  ? trace_hardirqs_on+0xbd/0x310
[  398.567589]  ? kasan_check_read+0x11/0x20
[  398.571738]  ? finish_task_switch+0x1f4/0x910
[  398.576241]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.581363]  ? compat_start_thread+0x80/0x80
[  398.585781]  ? pvclock_read_flags+0x160/0x160
[  398.590275]  ? __switch_to_asm+0x34/0x70
[  398.594326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.599857]  ? check_preemption_disabled+0x48/0x280
[  398.604877]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  398.610422]  ? rcu_pm_notify+0xc0/0xc0
[  398.614304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.620020]  ? check_preemption_disabled+0x48/0x280
[  398.625034]  run_timer_softirq+0x52/0xb0
[  398.629086]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.634098]  __do_softirq+0x308/0xb7e
[  398.637896]  ? retint_kernel+0x2d/0x2d
[  398.641796]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.646894]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.652333]  ? retint_kernel+0x2d/0x2d
[  398.656220]  ? schedule+0x108/0x460
[  398.659849]  ? trace_hardirqs_off+0xb8/0x310
[  398.664256]  ? smpboot_thread_fn+0x68b/0xa00
[  398.668662]  ? trace_hardirqs_on+0x310/0x310
[  398.673065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.678593]  ? check_preemption_disabled+0x48/0x280
[  398.683600]  ? takeover_tasklets+0xa90/0xa90
[  398.687998]  run_ksoftirqd+0x5e/0x100
[  398.691791]  smpboot_thread_fn+0x68b/0xa00
[  398.696030]  ? sort_range+0x30/0x30
[  398.699648]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.704740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.710270]  ? __kthread_parkme+0xfb/0x1a0
[  398.714501]  ? sort_range+0x30/0x30
[  398.718121]  kthread+0x35a/0x440
[  398.721479]  ? kthread_stop+0x900/0x900
[  398.725460]  ret_from_fork+0x3a/0x50
[  398.729194] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  398.729199] warn_alloc_show_mem: 1 callbacks suppressed
[  398.729205] Mem-Info:
[  398.736549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.736556] Call Trace:
[  398.741920] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  398.741920]  active_file:17 inactive_file:17 isolated_file:0
[  398.741920]  unevictable:0 dirty:0 writeback:0 unstable:0
[  398.741920]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  398.741920]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  398.741920]  free:13768 free_pcp:279 free_cma:0
[  398.744287]  <IRQ>
[  398.753742] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  398.756331]  dump_stack+0x244/0x39d
[  398.789350] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  398.791492]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.819125] lowmem_reserve[]: 0 2818 6321 6321
[  398.822756]  warn_alloc.cold.116+0xb7/0x1bd
[  398.848821] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  398.854000]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.858550] lowmem_reserve[]: 0 0 3503 3503
[  398.862861]  ? lock_downgrade+0x900/0x900
[  398.890249] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  398.895081]  ? trace_hardirqs_off+0xb8/0x310
[  398.899374] lowmem_reserve[]: 0 0 0 0
[  398.903512]  ? trace_hardirqs_off+0xb8/0x310
[  398.932458] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  398.936855]  __alloc_pages_slowpath+0x2651/0x2de0
[  398.940634] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  398.945045]  ? warn_alloc+0x120/0x120
[  398.958518] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  398.963349]  ? print_usage_bug+0xc0/0xc0
[  398.978504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  398.982280]  ? warn_alloc+0x120/0x120
[  398.996989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.001028]  ? warn_alloc+0x120/0x120
[  399.009849] 1758 total pagecache pages
[  399.013635]  ? print_usage_bug+0xc0/0xc0
[  399.022184] 0 pages in swap cache
[  399.025962]  ? print_usage_bug+0xc0/0xc0
[  399.029820] Swap cache stats: add 0, delete 0, find 0/0
[  399.033858]  ? __lock_acquire+0x62f/0x4c20
[  399.037279] Free swap  = 0kB
[  399.041327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.046662] Total swap = 0kB
[  399.050899]  ? should_fail+0x22d/0xd01
[  399.053886] 1965979 pages RAM
[  399.059407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.059439]  ? __lock_acquire+0x62f/0x4c20
[  399.062434] 0 pages HighMem/MovableOnly
[  399.066309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.069378] 342853 pages reserved
[  399.069385] 0 pages cma reserved
[  399.074473]  ? __lock_acquire+0x62f/0x4c20
[  399.078748] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.082634]  ? should_fail+0x22d/0xd01
[  399.082648]  ? find_held_lock+0x36/0x1c0
[  399.082673]  ? mark_held_locks+0x130/0x130
[  399.087803] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.091184]  ? mark_held_locks+0x130/0x130
[  399.094520] ksoftirqd/0 cpuset=/ mems_allowed=0
[  399.098749]  ? zap_class+0x640/0x640
[  399.140210]  ? zap_class+0x640/0x640
[  399.143914]  ? print_usage_bug+0xc0/0xc0
[  399.147967]  ? do_raw_spin_unlock+0xa7/0x330
[  399.152367]  ? zap_class+0x640/0x640
[  399.156073]  ? print_usage_bug+0xc0/0xc0
[  399.160136]  ? wq_watchdog_touch+0x9c/0xfe
[  399.164367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.169901]  ? check_preemption_disabled+0x48/0x280
[  399.174916]  ? __lock_is_held+0xb5/0x140
[  399.178972]  __alloc_pages_nodemask+0xad8/0xea0
[  399.183735]  ? zap_class+0x640/0x640
[  399.187444]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  399.192462]  ? find_held_lock+0x36/0x1c0
[  399.196524]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.201192]  ? lock_downgrade+0x900/0x900
[  399.205333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.210866]  cache_grow_begin+0xa5/0x8c0
[  399.214921]  ? do_raw_spin_unlock+0xa7/0x330
[  399.219328]  fallback_alloc+0x204/0x2e0
[  399.223304]  ____cache_alloc_node+0x1c7/0x1e0
[  399.227796]  kmem_cache_alloc_node+0xe3/0x730
[  399.232284]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.236520]  __alloc_skb+0x119/0x770
[  399.240237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.245502]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.249901]  ? lock_downgrade+0x900/0x900
[  399.254047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.259579]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.265024]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.270463]  ? addrconf_rs_timer+0x690/0x690
[  399.275088]  ndisc_alloc_skb+0x144/0x340
[  399.279153]  ndisc_send_rs+0x331/0x6e0
[  399.283037]  addrconf_rs_timer+0x314/0x690
[  399.287270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.291508]  call_timer_fn+0x272/0x920
[  399.295392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.299635]  ? process_timeout+0x40/0x40
[  399.303703]  ? __run_timers+0x7da/0xc70
[  399.307668]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.312165]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.316649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.320880]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.325457]  ? trace_hardirqs_on+0xbd/0x310
[  399.329776]  ? kasan_check_read+0x11/0x20
[  399.333920]  ? __run_timers+0x7da/0xc70
[  399.337883]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.342984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.347217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.351442]  __run_timers+0x7e5/0xc70
[  399.355243]  ? timer_fixup_init+0x70/0x70
[  399.359385]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.364597]  ? zap_class+0x640/0x640
[  399.368314]  ? enqueue_hrtimer+0x1a5/0x560
[  399.372584]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.377769]  ? find_held_lock+0x36/0x1c0
[  399.381821]  ? zap_class+0x640/0x640
[  399.385622]  ? pvclock_read_flags+0x160/0x160
[  399.390120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.395655]  ? check_preemption_disabled+0x48/0x280
[  399.400667]  ? __lock_is_held+0xb5/0x140
[  399.404721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.410254]  ? check_preemption_disabled+0x48/0x280
[  399.415271]  run_timer_softirq+0x52/0xb0
[  399.419326]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.424442]  __do_softirq+0x308/0xb7e
[  399.428237]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.432720]  ? lock_downgrade+0x900/0x900
[  399.436870]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.441982]  ? pvclock_read_flags+0x160/0x160
[  399.446471]  ? lapic_next_event+0x5a/0x90
[  399.450610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.456162]  ? kvm_clock_read+0x18/0x30
[  399.460130]  ? kvm_sched_clock_read+0x9/0x20
[  399.464532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.470057]  ? check_preemption_disabled+0x48/0x280
[  399.475082]  irq_exit+0x17f/0x1c0
[  399.478534]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.483372]  ? smp_reschedule_interrupt+0x109/0x650
[  399.488383]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.494263]  ? interrupt_entry+0xb5/0xc0
[  399.498316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.503326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.508350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.513188]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.518201]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.523214]  ? task_prio+0x50/0x50
[  399.526761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.532296]  ? check_preemption_disabled+0x48/0x280
[  399.537303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.542143]  apic_timer_interrupt+0xf/0x20
[  399.546362]  </IRQ>
[  399.548589] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  399.553516] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  399.572419] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  399.580120] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  399.587393] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  399.594668] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  399.601926] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  399.609185] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  399.616474]  skb_clone+0x1bb/0x500
[  399.620013]  ? finish_task_switch+0x2f4/0x910
[  399.624500]  ? skb_split+0x11e0/0x11e0
[  399.628379]  ? preempt_notifier_register+0x200/0x200
[  399.633471]  ? __switch_to_asm+0x34/0x70
[  399.637530]  ? __switch_to_asm+0x34/0x70
[  399.641591]  ? __switch_to_asm+0x40/0x70
[  399.645645]  ? __switch_to_asm+0x34/0x70
[  399.649698]  ? __switch_to_asm+0x40/0x70
[  399.653744]  ? __switch_to_asm+0x34/0x70
[  399.657795]  ? __switch_to_asm+0x40/0x70
[  399.661845]  ? __switch_to_asm+0x34/0x70
[  399.665896]  ? __switch_to_asm+0x34/0x70
[  399.669944]  ? __switch_to_asm+0x40/0x70
[  399.673996]  ? __switch_to_asm+0x34/0x70
[  399.678053]  bpf_clone_redirect+0xb9/0x490
[  399.682288]  ? __schedule+0x8d7/0x21d0
[  399.686176]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  399.691195]  ? __sched_text_start+0x8/0x8
[  399.695331]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  399.700090]  ? find_held_lock+0x36/0x1c0
[  399.704164]  ? lock_acquire+0x1ed/0x520
[  399.708142]  ? bpf_test_run+0x3ee/0x7a0
[  399.712113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.717643]  ? check_preemption_disabled+0x48/0x280
[  399.722650]  ? kasan_check_read+0x11/0x20
[  399.726791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.732062]  ? rcu_softirq_qs+0x20/0x20
[  399.736035]  ? preempt_schedule+0x4d/0x60
[  399.740178]  ? ___preempt_schedule+0x16/0x18
[  399.744582]  ? bpf_test_run+0x271/0x7a0
[  399.748570]  ? netlink_diag_dump+0x2a0/0x2a0
[  399.752973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.758500]  ? bpf_test_init.isra.10+0x70/0x100
[  399.763162]  ? bpf_prog_test_run_skb+0x762/0xd60
[  399.767936]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  399.772784]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.778316]  ? fput+0x130/0x1a0
[  399.781586]  ? __bpf_prog_get+0x9b/0x290
[  399.785642]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  399.790473]  ? bpf_prog_test_run+0x130/0x1a0
[  399.794874]  ? __x64_sys_bpf+0x3d8/0x520
[  399.798924]  ? bpf_prog_get+0x20/0x20
[  399.802732]  ? do_syscall_64+0x1b9/0x820
[  399.806786]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  399.812147]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.817065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.821907]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.826914]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  399.831968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.837502]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.842510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.847370]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  399.852739] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  399.852812] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.859570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.859577] Call Trace:
[  399.866137] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.875398]  dump_stack+0x244/0x39d
[  399.877949] syz-executor5 cpuset=syz5 mems_allowed=0
[  399.888436]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.902496]  warn_alloc.cold.116+0xb7/0x1bd
[  399.906807]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.911644]  ? lock_downgrade+0x900/0x900
[  399.915788]  ? trace_hardirqs_off+0xb8/0x310
[  399.920192]  ? trace_hardirqs_off+0xb8/0x310
[  399.924605]  __alloc_pages_slowpath+0x2651/0x2de0
[  399.929457]  ? warn_alloc+0x120/0x120
[  399.933259]  ? print_usage_bug+0xc0/0xc0
[  399.937314]  ? warn_alloc+0x120/0x120
[  399.941123]  ? warn_alloc+0x120/0x120
[  399.944917]  ? print_usage_bug+0xc0/0xc0
[  399.948974]  ? print_usage_bug+0xc0/0xc0
[  399.953035]  ? __lock_acquire+0x62f/0x4c20
[  399.957270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.962808]  ? should_fail+0x22d/0xd01
[  399.966695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.971798]  ? __lock_acquire+0x62f/0x4c20
[  399.976027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.981124]  ? __lock_acquire+0x62f/0x4c20
[  399.985352]  ? should_fail+0x22d/0xd01
[  399.989253]  ? find_held_lock+0x36/0x1c0
[  399.993329]  ? mark_held_locks+0x130/0x130
[  399.997557]  ? mark_held_locks+0x130/0x130
[  400.001779]  ? zap_class+0x640/0x640
[  400.005487]  ? zap_class+0x640/0x640
[  400.009193]  ? print_usage_bug+0xc0/0xc0
[  400.013242]  ? do_raw_spin_unlock+0xa7/0x330
[  400.017639]  ? zap_class+0x640/0x640
[  400.021345]  ? print_usage_bug+0xc0/0xc0
[  400.025398]  ? wq_watchdog_touch+0x9c/0xfe
[  400.029637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.035169]  ? check_preemption_disabled+0x48/0x280
[  400.040185]  ? __lock_is_held+0xb5/0x140
[  400.044244]  __alloc_pages_nodemask+0xad8/0xea0
[  400.048911]  ? zap_class+0x640/0x640
[  400.052620]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  400.057651]  ? find_held_lock+0x36/0x1c0
[  400.061707]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.066367]  ? lock_downgrade+0x900/0x900
[  400.070507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.076137]  cache_grow_begin+0xa5/0x8c0
[  400.080184]  ? do_raw_spin_unlock+0xa7/0x330
[  400.084597]  fallback_alloc+0x204/0x2e0
[  400.088580]  ____cache_alloc_node+0x1c7/0x1e0
[  400.093082]  kmem_cache_alloc_node+0xe3/0x730
[  400.097567]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.101798]  __alloc_skb+0x119/0x770
[  400.105498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.110765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.115166]  ? lock_downgrade+0x900/0x900
[  400.119311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.124835]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.130276]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.135711]  ? addrconf_rs_timer+0x690/0x690
[  400.140128]  ndisc_alloc_skb+0x144/0x340
[  400.144184]  ndisc_send_rs+0x331/0x6e0
[  400.148090]  addrconf_rs_timer+0x314/0x690
[  400.152317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.156644]  call_timer_fn+0x272/0x920
[  400.160529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.164771]  ? process_timeout+0x40/0x40
[  400.168842]  ? __run_timers+0x7da/0xc70
[  400.172810]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.177306]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.181787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.186015]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.190602]  ? trace_hardirqs_on+0xbd/0x310
[  400.194919]  ? kasan_check_read+0x11/0x20
[  400.199096]  ? __run_timers+0x7da/0xc70
[  400.203084]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.208227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.212468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.216708]  __run_timers+0x7e5/0xc70
[  400.220526]  ? timer_fixup_init+0x70/0x70
[  400.224666]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.229154]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.233640]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.238214]  ? trace_hardirqs_on+0xbd/0x310
[  400.242523]  ? kasan_check_read+0x11/0x20
[  400.246661]  ? finish_task_switch+0x1f4/0x910
[  400.251146]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.256242]  ? compat_start_thread+0x80/0x80
[  400.260680]  ? pvclock_read_flags+0x160/0x160
[  400.265161]  ? __switch_to_asm+0x34/0x70
[  400.269217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.274750]  ? check_preemption_disabled+0x48/0x280
[  400.279777]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  400.285395]  ? rcu_pm_notify+0xc0/0xc0
[  400.289358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.294994]  ? check_preemption_disabled+0x48/0x280
[  400.299998]  run_timer_softirq+0x52/0xb0
[  400.304058]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.309070]  __do_softirq+0x308/0xb7e
[  400.312863]  ? retint_kernel+0x2d/0x2d
[  400.316742]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.321843]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.327309]  ? retint_kernel+0x2d/0x2d
[  400.331191]  ? schedule+0x108/0x460
[  400.334818]  ? trace_hardirqs_off+0xb8/0x310
[  400.339216]  ? smpboot_thread_fn+0x68b/0xa00
[  400.343616]  ? trace_hardirqs_on+0x310/0x310
[  400.348018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.353563]  ? check_preemption_disabled+0x48/0x280
[  400.358573]  ? takeover_tasklets+0xa90/0xa90
[  400.362969]  run_ksoftirqd+0x5e/0x100
[  400.366757]  smpboot_thread_fn+0x68b/0xa00
[  400.370980]  ? sort_range+0x30/0x30
[  400.374606]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.379699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.385229]  ? __kthread_parkme+0xfb/0x1a0
[  400.389458]  ? sort_range+0x30/0x30
[  400.393071]  kthread+0x35a/0x440
[  400.396427]  ? kthread_stop+0x900/0x900
[  400.400390]  ret_from_fork+0x3a/0x50
[  400.404134] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  400.404139] warn_alloc_show_mem: 1 callbacks suppressed
[  400.404145] Mem-Info:
[  400.411486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.411493] Call Trace:
[  400.416857] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  400.416857]  active_file:17 inactive_file:17 isolated_file:0
[  400.416857]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.416857]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  400.416857]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  400.416857]  free:13768 free_pcp:279 free_cma:0
[  400.419222]  <IRQ>
[  400.428580] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.431144]  dump_stack+0x244/0x39d
[  400.464660] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.466811]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.494453] lowmem_reserve[]: 0 2818 6321 6321
[  400.498183]  warn_alloc.cold.116+0xb7/0x1bd
[  400.529200] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  400.534379]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.538940] lowmem_reserve[]: 0 0 3503 3503
[  400.543250]  ? lock_downgrade+0x900/0x900
[  400.570631] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  400.575475]  ? trace_hardirqs_off+0xb8/0x310
[  400.579766] lowmem_reserve[]: 0 0 0 0
[  400.583913]  ? trace_hardirqs_off+0xb8/0x310
[  400.612860] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  400.617790]  __alloc_pages_slowpath+0x2651/0x2de0
[  400.621567] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  400.625994]  ? warn_alloc+0x120/0x120
[  400.639473] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  400.644350]  ? print_usage_bug+0xc0/0xc0
[  400.659506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.663299]  ? warn_alloc+0x120/0x120
[  400.678038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.682092]  ? warn_alloc+0x120/0x120
[  400.690906] 1758 total pagecache pages
[  400.694699]  ? print_usage_bug+0xc0/0xc0
[  400.703263] 0 pages in swap cache
[  400.707053]  ? kvm_clock_read+0x18/0x30
[  400.710926] Swap cache stats: add 0, delete 0, find 0/0
[  400.714980]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.718419] Free swap  = 0kB
[  400.722387]  ? print_usage_bug+0xc0/0xc0
[  400.727728] Total swap = 0kB
[  400.732736]  ? __lock_acquire+0x62f/0x4c20
[  400.735729] 1965979 pages RAM
[  400.739813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.742809] 0 pages HighMem/MovableOnly
[  400.747041]  ? should_fail+0x22d/0xd01
[  400.750123] 342853 pages reserved
[  400.755652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.759604] 0 pages cma reserved
[  400.763485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.767020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.772183]  ? __lock_acquire+0x62f/0x4c20
[  400.772200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.772215]  ? __lock_acquire+0x62f/0x4c20
[  400.775615] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.780658]  ? should_fail+0x22d/0xd01
[  400.787129] ksoftirqd/0 cpuset=/ mems_allowed=0
[  400.791351]  ? rcu_irq_exit+0x1a2/0x390
[  400.791373]  ? mark_held_locks+0x130/0x130
[  400.827904]  ? mark_held_locks+0x130/0x130
[  400.832147]  ? mark_held_locks+0xc7/0x130
[  400.836297]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  400.841317]  ? zap_class+0x640/0x640
[  400.845044]  ? print_usage_bug+0xc0/0xc0
[  400.849112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.854691]  ? check_preemption_disabled+0x48/0x280
[  400.859721]  ? __lock_is_held+0xb5/0x140
[  400.863795]  __alloc_pages_nodemask+0xad8/0xea0
[  400.868469]  ? zap_class+0x640/0x640
[  400.872190]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  400.877220]  ? find_held_lock+0x36/0x1c0
[  400.881290]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.885965]  ? lock_downgrade+0x900/0x900
[  400.890135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.895682]  cache_grow_begin+0xa5/0x8c0
[  400.899749]  ? do_raw_spin_unlock+0xa7/0x330
[  400.904164]  fallback_alloc+0x204/0x2e0
[  400.908148]  ____cache_alloc_node+0x1c7/0x1e0
[  400.912648]  kmem_cache_alloc_node+0xe3/0x730
[  400.917186]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.921436]  __alloc_skb+0x119/0x770
[  400.925149]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.930432]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.934842]  ? lock_downgrade+0x900/0x900
[  400.939011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.944550]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.950014]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.955464]  ? addrconf_rs_timer+0x690/0x690
[  400.959884]  ndisc_alloc_skb+0x144/0x340
[  400.963954]  ndisc_send_rs+0x331/0x6e0
[  400.967864]  addrconf_rs_timer+0x314/0x690
[  400.972108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.976357]  call_timer_fn+0x272/0x920
[  400.980250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.984494]  ? process_timeout+0x40/0x40
[  400.988565]  ? __run_timers+0x7da/0xc70
[  400.992543]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.997041]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.001535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.005772]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.010360]  ? trace_hardirqs_on+0xbd/0x310
[  401.014682]  ? kasan_check_read+0x11/0x20
[  401.018828]  ? __run_timers+0x7da/0xc70
[  401.022805]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.027913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.032153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.036387]  __run_timers+0x7e5/0xc70
[  401.040200]  ? timer_fixup_init+0x70/0x70
[  401.044352]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.049368]  ? zap_class+0x640/0x640
[  401.053092]  ? enqueue_hrtimer+0x1a5/0x560
[  401.057332]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.062565]  ? find_held_lock+0x36/0x1c0
[  401.066632]  ? zap_class+0x640/0x640
[  401.070354]  ? pvclock_read_flags+0x160/0x160
[  401.074888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.080432]  ? check_preemption_disabled+0x48/0x280
[  401.085461]  ? __lock_is_held+0xb5/0x140
[  401.089528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.095104]  ? check_preemption_disabled+0x48/0x280
[  401.100128]  run_timer_softirq+0x52/0xb0
[  401.104191]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.109209]  __do_softirq+0x308/0xb7e
[  401.113015]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.117511]  ? lock_downgrade+0x900/0x900
[  401.121667]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.126777]  ? pvclock_read_flags+0x160/0x160
[  401.131276]  ? lapic_next_event+0x5a/0x90
[  401.135428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.140986]  ? kvm_clock_read+0x18/0x30
[  401.144975]  ? kvm_sched_clock_read+0x9/0x20
[  401.149422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.154975]  ? check_preemption_disabled+0x48/0x280
[  401.160005]  irq_exit+0x17f/0x1c0
[  401.163469]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.168317]  ? smp_reschedule_interrupt+0x109/0x650
[  401.173336]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.179224]  ? interrupt_entry+0xb5/0xc0
[  401.183294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.188346]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.193367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.198212]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.203230]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.208247]  ? task_prio+0x50/0x50
[  401.211795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.217336]  ? check_preemption_disabled+0x48/0x280
[  401.222360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.227213]  apic_timer_interrupt+0xf/0x20
[  401.231442]  </IRQ>
[  401.233688] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  401.238621] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  401.257556] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.265266] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.272537] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  401.279805] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  401.287072] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  401.294339] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  401.301647]  skb_clone+0x1bb/0x500
[  401.305191]  ? finish_task_switch+0x2f4/0x910
[  401.309689]  ? skb_split+0x11e0/0x11e0
[  401.313580]  ? preempt_notifier_register+0x200/0x200
[  401.318682]  ? __switch_to_asm+0x34/0x70
[  401.322743]  ? __switch_to_asm+0x34/0x70
[  401.326840]  ? __switch_to_asm+0x40/0x70
[  401.330902]  ? __switch_to_asm+0x34/0x70
[  401.334980]  ? __switch_to_asm+0x40/0x70
[  401.339043]  ? __switch_to_asm+0x34/0x70
[  401.343139]  ? __switch_to_asm+0x40/0x70
[  401.347199]  ? __switch_to_asm+0x34/0x70
[  401.351261]  ? __switch_to_asm+0x34/0x70
[  401.355325]  ? __switch_to_asm+0x40/0x70
[  401.359387]  ? __switch_to_asm+0x34/0x70
[  401.363457]  bpf_clone_redirect+0xb9/0x490
[  401.367694]  ? __schedule+0x8d7/0x21d0
[  401.371591]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  401.376610]  ? __sched_text_start+0x8/0x8
[  401.380758]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  401.385526]  ? find_held_lock+0x36/0x1c0
[  401.389597]  ? lock_acquire+0x1ed/0x520
[  401.393594]  ? bpf_test_run+0x3ee/0x7a0
[  401.397572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.403116]  ? check_preemption_disabled+0x48/0x280
[  401.408139]  ? kasan_check_read+0x11/0x20
[  401.412288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.417569]  ? rcu_softirq_qs+0x20/0x20
[  401.421545]  ? preempt_schedule+0x4d/0x60
[  401.425692]  ? ___preempt_schedule+0x16/0x18
[  401.430109]  ? bpf_test_run+0x271/0x7a0
[  401.434133]  ? netlink_diag_dump+0x2a0/0x2a0
[  401.438546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.444085]  ? bpf_test_init.isra.10+0x70/0x100
[  401.448759]  ? bpf_prog_test_run_skb+0x762/0xd60
[  401.453528]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.458379]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.463917]  ? fput+0x130/0x1a0
[  401.467214]  ? __bpf_prog_get+0x9b/0x290
[  401.471283]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.476160]  ? bpf_prog_test_run+0x130/0x1a0
[  401.480570]  ? __x64_sys_bpf+0x3d8/0x520
[  401.484633]  ? bpf_prog_get+0x20/0x20
[  401.488459]  ? do_syscall_64+0x1b9/0x820
[  401.492520]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  401.497889]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.502833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.507684]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.512736]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  401.517788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.523360]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.528389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.533240]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  401.538623] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  401.538700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.545468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.545472] Call Trace:
[  401.545493]  dump_stack+0x244/0x39d
[  401.545512]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.552064] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.561344]  warn_alloc.cold.116+0xb7/0x1bd
[  401.563900] syz-executor5 cpuset=syz5 mems_allowed=0
[  401.567538]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.597416]  ? lock_downgrade+0x900/0x900
[  401.601577]  ? trace_hardirqs_off+0xb8/0x310
[  401.605995]  ? trace_hardirqs_off+0xb8/0x310
[  401.610414]  __alloc_pages_slowpath+0x2651/0x2de0
[  401.615284]  ? warn_alloc+0x120/0x120
[  401.619089]  ? print_usage_bug+0xc0/0xc0
[  401.623153]  ? warn_alloc+0x120/0x120
[  401.626964]  ? warn_alloc+0x120/0x120
[  401.630771]  ? print_usage_bug+0xc0/0xc0
[  401.634878]  ? print_usage_bug+0xc0/0xc0
[  401.638960]  ? __lock_acquire+0x62f/0x4c20
[  401.643203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.648750]  ? should_fail+0x22d/0xd01
[  401.652647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.657751]  ? __lock_acquire+0x62f/0x4c20
[  401.661992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.667096]  ? __lock_acquire+0x62f/0x4c20
[  401.671331]  ? should_fail+0x22d/0xd01
[  401.675219]  ? find_held_lock+0x36/0x1c0
[  401.679289]  ? mark_held_locks+0x130/0x130
[  401.683529]  ? mark_held_locks+0x130/0x130
[  401.687768]  ? zap_class+0x640/0x640
[  401.691481]  ? zap_class+0x640/0x640
[  401.695198]  ? print_usage_bug+0xc0/0xc0
[  401.699257]  ? do_raw_spin_unlock+0xa7/0x330
[  401.703666]  ? zap_class+0x640/0x640
[  401.707380]  ? print_usage_bug+0xc0/0xc0
[  401.711444]  ? wq_watchdog_touch+0x9c/0xfe
[  401.715682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.721221]  ? check_preemption_disabled+0x48/0x280
[  401.726249]  ? __lock_is_held+0xb5/0x140
[  401.730317]  __alloc_pages_nodemask+0xad8/0xea0
[  401.734991]  ? zap_class+0x640/0x640
[  401.738709]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  401.743772]  ? find_held_lock+0x36/0x1c0
[  401.747844]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.752516]  ? lock_downgrade+0x900/0x900
[  401.756676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.762253]  cache_grow_begin+0xa5/0x8c0
[  401.766318]  ? do_raw_spin_unlock+0xa7/0x330
[  401.770736]  fallback_alloc+0x204/0x2e0
[  401.774720]  ____cache_alloc_node+0x1c7/0x1e0
[  401.779225]  kmem_cache_alloc_node+0xe3/0x730
[  401.783720]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.787970]  __alloc_skb+0x119/0x770
[  401.791683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.796966]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.801414]  ? lock_downgrade+0x900/0x900
[  401.805570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.811109]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.816563]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.822013]  ? addrconf_rs_timer+0x690/0x690
[  401.826434]  ndisc_alloc_skb+0x144/0x340
[  401.830501]  ndisc_send_rs+0x331/0x6e0
[  401.834396]  addrconf_rs_timer+0x314/0x690
[  401.838637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.842883]  call_timer_fn+0x272/0x920
[  401.846786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.851027]  ? process_timeout+0x40/0x40
[  401.855103]  ? __run_timers+0x7da/0xc70
[  401.859082]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.863575]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.868072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.872309]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.876915]  ? trace_hardirqs_on+0xbd/0x310
[  401.881238]  ? kasan_check_read+0x11/0x20
[  401.885389]  ? __run_timers+0x7da/0xc70
[  401.889369]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.894481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.898759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.902999]  __run_timers+0x7e5/0xc70
[  401.906810]  ? timer_fixup_init+0x70/0x70
[  401.910959]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.915454]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.919950]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.924533]  ? trace_hardirqs_on+0xbd/0x310
[  401.928853]  ? kasan_check_read+0x11/0x20
[  401.933019]  ? finish_task_switch+0x1f4/0x910
[  401.937518]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.942621]  ? compat_start_thread+0x80/0x80
[  401.947049]  ? pvclock_read_flags+0x160/0x160
[  401.951545]  ? __switch_to_asm+0x34/0x70
[  401.955608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.961161]  ? check_preemption_disabled+0x48/0x280
[  401.966225]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  401.971765]  ? rcu_pm_notify+0xc0/0xc0
[  401.975656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.981197]  ? check_preemption_disabled+0x48/0x280
[  401.986258]  run_timer_softirq+0x52/0xb0
[  401.990321]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.995343]  __do_softirq+0x308/0xb7e
[  401.999155]  ? retint_kernel+0x2d/0x2d
[  402.003055]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.008163]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.013615]  ? retint_kernel+0x2d/0x2d
[  402.017508]  ? schedule+0x108/0x460
[  402.021145]  ? trace_hardirqs_off+0xb8/0x310
[  402.025555]  ? smpboot_thread_fn+0x68b/0xa00
[  402.029968]  ? trace_hardirqs_on+0x310/0x310
[  402.034382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.039924]  ? check_preemption_disabled+0x48/0x280
[  402.044945]  ? takeover_tasklets+0xa90/0xa90
[  402.049443]  run_ksoftirqd+0x5e/0x100
[  402.053245]  smpboot_thread_fn+0x68b/0xa00
[  402.057484]  ? sort_range+0x30/0x30
[  402.061112]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.066222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.071763]  ? __kthread_parkme+0xfb/0x1a0
[  402.076002]  ? sort_range+0x30/0x30
[  402.079632]  kthread+0x35a/0x440
[  402.083002]  ? kthread_stop+0x900/0x900
[  402.086978]  ret_from_fork+0x3a/0x50
[  402.090716] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  402.090721] warn_alloc_show_mem: 1 callbacks suppressed
[  402.090727] Mem-Info:
[  402.098085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.103454] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  402.103454]  active_file:17 inactive_file:17 isolated_file:0
[  402.103454]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.103454]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  402.103454]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  402.103454]  free:13768 free_pcp:279 free_cma:0
[  402.105828] Call Trace:
[  402.115207] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.148223]  <IRQ>
[  402.150793] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.178494]  dump_stack+0x244/0x39d
[  402.180621] lowmem_reserve[]: 0 2818 6321 6321
[  402.206726]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.210329] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  402.214950]  warn_alloc.cold.116+0xb7/0x1bd
[  402.220102] lowmem_reserve[]: 0 0 3503 3503
[  402.247519]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.251819] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  402.256140]  ? lock_downgrade+0x900/0x900
[  402.260956] lowmem_reserve[]: 0 0 0 0
[  402.289937]  ? trace_hardirqs_off+0xb8/0x310
[  402.294060] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  402.298122]  ? trace_hardirqs_off+0xb8/0x310
[  402.302506] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  402.316029]  __alloc_pages_slowpath+0x2651/0x2de0
[  402.320413] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  402.335603]  ? warn_alloc+0x120/0x120
[  402.340412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.355143]  ? print_usage_bug+0xc0/0xc0
[  402.358929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.367784]  ? warn_alloc+0x120/0x120
[  402.371825] 1758 total pagecache pages
[  402.380403]  ? warn_alloc+0x120/0x120
[  402.384185] 0 pages in swap cache
[  402.388059]  ? print_usage_bug+0xc0/0xc0
[  402.391858] Swap cache stats: add 0, delete 0, find 0/0
[  402.395296]  ? kvm_clock_read+0x18/0x30
[  402.395314]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.399363] Free swap  = 0kB
[  402.404722]  ? print_usage_bug+0xc0/0xc0
[  402.408672] Total swap = 0kB
[  402.413768]  ? __lock_acquire+0x62f/0x4c20
[  402.416768] 1965979 pages RAM
[  402.420828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.423846] 0 pages HighMem/MovableOnly
[  402.423857] 342853 pages reserved
[  402.428117]  ? should_fail+0x22d/0xd01
[  402.431198] 0 pages cma reserved
[  402.436728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.440749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.444127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.448048] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.451543]  ? __lock_acquire+0x62f/0x4c20
[  402.456800] ksoftirqd/0 cpuset=/ mems_allowed=0
[  402.463288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.492919]  ? __lock_acquire+0x62f/0x4c20
[  402.497152]  ? should_fail+0x22d/0xd01
[  402.501041]  ? rcu_irq_exit+0x1a2/0x390
[  402.505025]  ? mark_held_locks+0x130/0x130
[  402.509266]  ? mark_held_locks+0x130/0x130
[  402.513508]  ? mark_held_locks+0xc7/0x130
[  402.517658]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.522676]  ? zap_class+0x640/0x640
[  402.526392]  ? print_usage_bug+0xc0/0xc0
[  402.530460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.536006]  ? check_preemption_disabled+0x48/0x280
[  402.541032]  ? __lock_is_held+0xb5/0x140
[  402.545101]  __alloc_pages_nodemask+0xad8/0xea0
[  402.549774]  ? zap_class+0x640/0x640
[  402.553495]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  402.558521]  ? find_held_lock+0x36/0x1c0
[  402.562592]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.567262]  ? lock_downgrade+0x900/0x900
[  402.571421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.576968]  cache_grow_begin+0xa5/0x8c0
[  402.581035]  ? do_raw_spin_unlock+0xa7/0x330
[  402.585453]  fallback_alloc+0x204/0x2e0
[  402.589436]  ____cache_alloc_node+0x1c7/0x1e0
[  402.593940]  kmem_cache_alloc_node+0xe3/0x730
[  402.598444]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.602692]  __alloc_skb+0x119/0x770
[  402.606407]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.611688]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.616099]  ? lock_downgrade+0x900/0x900
[  402.620738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.626280]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.631737]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.637191]  ? addrconf_rs_timer+0x690/0x690
[  402.641613]  ndisc_alloc_skb+0x144/0x340
[  402.645684]  ndisc_send_rs+0x331/0x6e0
[  402.649578]  addrconf_rs_timer+0x314/0x690
[  402.653830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.658079]  call_timer_fn+0x272/0x920
[  402.661971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.666212]  ? process_timeout+0x40/0x40
[  402.670284]  ? __run_timers+0x7da/0xc70
[  402.674261]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.678758]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.683252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.687487]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.692074]  ? trace_hardirqs_on+0xbd/0x310
[  402.696398]  ? kasan_check_read+0x11/0x20
[  402.700544]  ? __run_timers+0x7da/0xc70
[  402.704529]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.709636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.713881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.718117]  __run_timers+0x7e5/0xc70
[  402.721931]  ? timer_fixup_init+0x70/0x70
[  402.726081]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.731104]  ? zap_class+0x640/0x640
[  402.734834]  ? enqueue_hrtimer+0x1a5/0x560
[  402.739073]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.744271]  ? find_held_lock+0x36/0x1c0
[  402.748340]  ? zap_class+0x640/0x640
[  402.752064]  ? pvclock_read_flags+0x160/0x160
[  402.756561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.762105]  ? check_preemption_disabled+0x48/0x280
[  402.767130]  ? __lock_is_held+0xb5/0x140
[  402.771194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.776733]  ? check_preemption_disabled+0x48/0x280
[  402.781754]  run_timer_softirq+0x52/0xb0
[  402.785862]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.790883]  __do_softirq+0x308/0xb7e
[  402.794689]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.799185]  ? lock_downgrade+0x900/0x900
[  402.803376]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.808492]  ? pvclock_read_flags+0x160/0x160
[  402.812991]  ? lapic_next_event+0x5a/0x90
[  402.817140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.822684]  ? kvm_clock_read+0x18/0x30
[  402.826660]  ? kvm_sched_clock_read+0x9/0x20
[  402.831109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.836650]  ? check_preemption_disabled+0x48/0x280
[  402.841676]  irq_exit+0x17f/0x1c0
[  402.845134]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.849982]  ? smp_reschedule_interrupt+0x109/0x650
[  402.855004]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.860894]  ? interrupt_entry+0xb5/0xc0
[  402.864956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.869977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.874996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.879891]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.884909]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.889928]  ? task_prio+0x50/0x50
[  402.893507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.899046]  ? check_preemption_disabled+0x48/0x280
[  402.904068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.908923]  apic_timer_interrupt+0xf/0x20
[  402.913152]  </IRQ>
[  402.915395] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  402.920334] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  402.939235] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.946983] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  402.954251] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  402.961520] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  402.968804] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  402.976113] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  402.983418]  skb_clone+0x1bb/0x500
[  402.986963]  ? finish_task_switch+0x2f4/0x910
[  402.991463]  ? skb_split+0x11e0/0x11e0
[  402.995354]  ? preempt_notifier_register+0x200/0x200
[  403.000496]  ? __switch_to_asm+0x34/0x70
[  403.004561]  ? __switch_to_asm+0x34/0x70
[  403.008620]  ? __switch_to_asm+0x40/0x70
[  403.012681]  ? __switch_to_asm+0x34/0x70
[  403.016745]  ? __switch_to_asm+0x40/0x70
[  403.020816]  ? __switch_to_asm+0x34/0x70
[  403.024878]  ? __switch_to_asm+0x40/0x70
[  403.028942]  ? __switch_to_asm+0x34/0x70
[  403.033005]  ? __switch_to_asm+0x34/0x70
[  403.037065]  ? __switch_to_asm+0x40/0x70
[  403.041122]  ? __switch_to_asm+0x34/0x70
[  403.045188]  bpf_clone_redirect+0xb9/0x490
[  403.049426]  ? __schedule+0x8d7/0x21d0
[  403.053360]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  403.058380]  ? __sched_text_start+0x8/0x8
[  403.062529]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  403.067303]  ? find_held_lock+0x36/0x1c0
[  403.071376]  ? lock_acquire+0x1ed/0x520
[  403.075352]  ? bpf_test_run+0x3ee/0x7a0
[  403.079329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.084872]  ? check_preemption_disabled+0x48/0x280
[  403.089895]  ? kasan_check_read+0x11/0x20
[  403.094043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.099320]  ? rcu_softirq_qs+0x20/0x20
[  403.103338]  ? preempt_schedule+0x4d/0x60
[  403.107487]  ? ___preempt_schedule+0x16/0x18
[  403.111902]  ? bpf_test_run+0x271/0x7a0
[  403.115923]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.120335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.125874]  ? bpf_test_init.isra.10+0x70/0x100
[  403.130551]  ? bpf_prog_test_run_skb+0x762/0xd60
[  403.135321]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.140173]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.145711]  ? fput+0x130/0x1a0
[  403.148992]  ? __bpf_prog_get+0x9b/0x290
[  403.153063]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.157905]  ? bpf_prog_test_run+0x130/0x1a0
[  403.162317]  ? __x64_sys_bpf+0x3d8/0x520
[  403.166380]  ? bpf_prog_get+0x20/0x20
[  403.170202]  ? do_syscall_64+0x1b9/0x820
[  403.174270]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.179644]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.184573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.189458]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.194514]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.199530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.205067]  ? prepare_exit_to_usermode+0x291/0x3b0
[  403.210091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.214941]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.220324] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  403.220400] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.227168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.227173] Call Trace:
[  403.227193]  dump_stack+0x244/0x39d
[  403.227213]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.233779] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.243044]  warn_alloc.cold.116+0xb7/0x1bd
[  403.245602] syz-executor5 cpuset=syz5 mems_allowed=0
[  403.249222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.279114]  ? lock_downgrade+0x900/0x900
[  403.283284]  ? trace_hardirqs_off+0xb8/0x310
[  403.287744]  ? trace_hardirqs_off+0xb8/0x310
[  403.292183]  __alloc_pages_slowpath+0x2651/0x2de0
[  403.297053]  ? warn_alloc+0x120/0x120
[  403.300860]  ? print_usage_bug+0xc0/0xc0
[  403.304929]  ? warn_alloc+0x120/0x120
[  403.308736]  ? warn_alloc+0x120/0x120
[  403.312556]  ? print_usage_bug+0xc0/0xc0
[  403.316626]  ? print_usage_bug+0xc0/0xc0
[  403.320689]  ? __lock_acquire+0x62f/0x4c20
[  403.324933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.330471]  ? should_fail+0x22d/0xd01
[  403.334366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.339469]  ? __lock_acquire+0x62f/0x4c20
[  403.343708]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.348813]  ? __lock_acquire+0x62f/0x4c20
[  403.353049]  ? should_fail+0x22d/0xd01
[  403.356938]  ? find_held_lock+0x36/0x1c0
[  403.361044]  ? mark_held_locks+0x130/0x130
[  403.365285]  ? mark_held_locks+0x130/0x130
[  403.369521]  ? zap_class+0x640/0x640
[  403.373240]  ? zap_class+0x640/0x640
[  403.376962]  ? print_usage_bug+0xc0/0xc0
[  403.381025]  ? do_raw_spin_unlock+0xa7/0x330
[  403.385441]  ? zap_class+0x640/0x640
[  403.389156]  ? print_usage_bug+0xc0/0xc0
[  403.393218]  ? wq_watchdog_touch+0x9c/0xfe
[  403.397460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.403022]  ? check_preemption_disabled+0x48/0x280
[  403.408052]  ? __lock_is_held+0xb5/0x140
[  403.412124]  __alloc_pages_nodemask+0xad8/0xea0
[  403.416798]  ? zap_class+0x640/0x640
[  403.420517]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  403.425549]  ? find_held_lock+0x36/0x1c0
[  403.429658]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.434332]  ? lock_downgrade+0x900/0x900
[  403.438494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.444073]  cache_grow_begin+0xa5/0x8c0
[  403.448144]  ? do_raw_spin_unlock+0xa7/0x330
[  403.452570]  fallback_alloc+0x204/0x2e0
[  403.456551]  ____cache_alloc_node+0x1c7/0x1e0
[  403.461056]  kmem_cache_alloc_node+0xe3/0x730
[  403.465553]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.469811]  __alloc_skb+0x119/0x770
[  403.473528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.478810]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.483220]  ? lock_downgrade+0x900/0x900
[  403.487415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.492957]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.498411]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.503863]  ? addrconf_rs_timer+0x690/0x690
[  403.508284]  ndisc_alloc_skb+0x144/0x340
[  403.512351]  ndisc_send_rs+0x331/0x6e0
[  403.516249]  addrconf_rs_timer+0x314/0x690
[  403.520490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.524756]  call_timer_fn+0x272/0x920
[  403.528644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.532883]  ? process_timeout+0x40/0x40
[  403.536953]  ? __run_timers+0x7da/0xc70
[  403.540941]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.545435]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.549932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.554174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.558777]  ? trace_hardirqs_on+0xbd/0x310
[  403.563101]  ? kasan_check_read+0x11/0x20
[  403.567253]  ? __run_timers+0x7da/0xc70
[  403.571232]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.576339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.580583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.584834]  __run_timers+0x7e5/0xc70
[  403.588648]  ? timer_fixup_init+0x70/0x70
[  403.592797]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.597300]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.601803]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.606387]  ? trace_hardirqs_on+0xbd/0x310
[  403.610711]  ? kasan_check_read+0x11/0x20
[  403.614882]  ? finish_task_switch+0x1f4/0x910
[  403.619381]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.624490]  ? compat_start_thread+0x80/0x80
[  403.628958]  ? pvclock_read_flags+0x160/0x160
[  403.633453]  ? __switch_to_asm+0x34/0x70
[  403.637606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.643150]  ? check_preemption_disabled+0x48/0x280
[  403.648216]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  403.653773]  ? rcu_pm_notify+0xc0/0xc0
[  403.657664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.663204]  ? check_preemption_disabled+0x48/0x280
[  403.668226]  run_timer_softirq+0x52/0xb0
[  403.672293]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.677320]  __do_softirq+0x308/0xb7e
[  403.681125]  ? retint_kernel+0x2d/0x2d
[  403.685022]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.690126]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  403.695572]  ? retint_kernel+0x2d/0x2d
[  403.699466]  ? schedule+0x108/0x460
[  403.703104]  ? trace_hardirqs_off+0xb8/0x310
[  403.707519]  ? smpboot_thread_fn+0x68b/0xa00
[  403.711935]  ? trace_hardirqs_on+0x310/0x310
[  403.716346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.721921]  ? check_preemption_disabled+0x48/0x280
[  403.726945]  ? takeover_tasklets+0xa90/0xa90
[  403.731356]  run_ksoftirqd+0x5e/0x100
[  403.735158]  smpboot_thread_fn+0x68b/0xa00
[  403.739400]  ? sort_range+0x30/0x30
[  403.743029]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.748135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.753742]  ? __kthread_parkme+0xfb/0x1a0
[  403.757983]  ? sort_range+0x30/0x30
[  403.761612]  kthread+0x35a/0x440
[  403.764986]  ? kthread_stop+0x900/0x900
[  403.768964]  ret_from_fork+0x3a/0x50
[  403.772697] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  403.772701] warn_alloc_show_mem: 1 callbacks suppressed
[  403.772708] Mem-Info:
[  403.780115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.785487] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  403.785487]  active_file:17 inactive_file:17 isolated_file:0
[  403.785487]  unevictable:0 dirty:0 writeback:0 unstable:0
[  403.785487]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  403.785487]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  403.785487]  free:13768 free_pcp:279 free_cma:0
[  403.787866] Call Trace:
[  403.797248] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  403.830272]  <IRQ>
[  403.832847] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  403.860517]  dump_stack+0x244/0x39d
[  403.862639] lowmem_reserve[]: 0 2818 6321 6321
[  403.888753]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.892357] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  403.896983]  warn_alloc.cold.116+0xb7/0x1bd
[  403.902140] lowmem_reserve[]: 0 0 3503 3503
[  403.929546]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.933846] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  403.938166]  ? lock_downgrade+0x900/0x900
[  403.943013] lowmem_reserve[]: 0 0 0 0
[  403.972029]  ? trace_hardirqs_off+0xb8/0x310
[  403.976153] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  403.979954]  ? trace_hardirqs_off+0xb8/0x310
[  403.984336] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  403.997907]  __alloc_pages_slowpath+0x2651/0x2de0
[  404.002288] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  404.017508]  ? warn_alloc+0x120/0x120
[  404.022318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.037046]  ? print_usage_bug+0xc0/0xc0
[  404.040830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.049701]  ? warn_alloc+0x120/0x120
[  404.053747] 1758 total pagecache pages
[  404.062315]  ? warn_alloc+0x120/0x120
[  404.066103] 0 pages in swap cache
[  404.069981]  ? print_usage_bug+0xc0/0xc0
[  404.073764] Swap cache stats: add 0, delete 0, find 0/0
[  404.077212]  ? kvm_clock_read+0x18/0x30
[  404.081247] Free swap  = 0kB
[  404.086605]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.090553] Total swap = 0kB
[  404.093564]  ? print_usage_bug+0xc0/0xc0
[  404.098558] 1965979 pages RAM
[  404.101570]  ? __lock_acquire+0x62f/0x4c20
[  404.105609] 0 pages HighMem/MovableOnly
[  404.108723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.112931] 342853 pages reserved
[  404.112938] 0 pages cma reserved
[  404.116911]  ? should_fail+0x22d/0xd01
[  404.122515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.125867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.125885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.129285] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.133112]  ? __lock_acquire+0x62f/0x4c20
[  404.139580] ksoftirqd/0 cpuset=/ mems_allowed=0
[  404.144854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.174206]  ? __lock_acquire+0x62f/0x4c20
[  404.178444]  ? should_fail+0x22d/0xd01
[  404.182332]  ? rcu_irq_exit+0x1a2/0x390
[  404.186318]  ? mark_held_locks+0x130/0x130
[  404.190560]  ? mark_held_locks+0x130/0x130
[  404.194805]  ? mark_held_locks+0xc7/0x130
[  404.198955]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.204012]  ? zap_class+0x640/0x640
[  404.207850]  ? print_usage_bug+0xc0/0xc0
[  404.211953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.217499]  ? check_preemption_disabled+0x48/0x280
[  404.222526]  ? __lock_is_held+0xb5/0x140
[  404.226598]  __alloc_pages_nodemask+0xad8/0xea0
[  404.231269]  ? zap_class+0x640/0x640
[  404.234990]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  404.240021]  ? find_held_lock+0x36/0x1c0
[  404.244094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.248854]  ? lock_downgrade+0x900/0x900
[  404.253013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.258557]  cache_grow_begin+0xa5/0x8c0
[  404.262620]  ? do_raw_spin_unlock+0xa7/0x330
[  404.267039]  fallback_alloc+0x204/0x2e0
[  404.271020]  ____cache_alloc_node+0x1c7/0x1e0
[  404.275525]  kmem_cache_alloc_node+0xe3/0x730
[  404.280025]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.284275]  __alloc_skb+0x119/0x770
[  404.287994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.293280]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.297707]  ? lock_downgrade+0x900/0x900
[  404.301862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.307401]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.312858]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.318313]  ? addrconf_rs_timer+0x690/0x690
[  404.322734]  ndisc_alloc_skb+0x144/0x340
[  404.326800]  ndisc_send_rs+0x331/0x6e0
[  404.330705]  addrconf_rs_timer+0x314/0x690
[  404.334946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.339195]  call_timer_fn+0x272/0x920
[  404.343086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.347322]  ? process_timeout+0x40/0x40
[  404.351389]  ? __run_timers+0x7da/0xc70
[  404.355369]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.359868]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.364364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.368601]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.373211]  ? trace_hardirqs_on+0xbd/0x310
[  404.377534]  ? kasan_check_read+0x11/0x20
[  404.381691]  ? __run_timers+0x7da/0xc70
[  404.385679]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.390788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.395066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.399306]  __run_timers+0x7e5/0xc70
[  404.403151]  ? timer_fixup_init+0x70/0x70
[  404.407306]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.412324]  ? zap_class+0x640/0x640
[  404.416047]  ? enqueue_hrtimer+0x1a5/0x560
[  404.420286]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.425484]  ? find_held_lock+0x36/0x1c0
[  404.429553]  ? zap_class+0x640/0x640
[  404.433270]  ? pvclock_read_flags+0x160/0x160
[  404.437769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.443311]  ? check_preemption_disabled+0x48/0x280
[  404.448338]  ? __lock_is_held+0xb5/0x140
[  404.452870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.458413]  ? check_preemption_disabled+0x48/0x280
[  404.463437]  run_timer_softirq+0x52/0xb0
[  404.467502]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.472525]  __do_softirq+0x308/0xb7e
[  404.476334]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.480834]  ? lock_downgrade+0x900/0x900
[  404.484990]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.490101]  ? pvclock_read_flags+0x160/0x160
[  404.494603]  ? lapic_next_event+0x5a/0x90
[  404.498756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.504299]  ? kvm_clock_read+0x18/0x30
[  404.508278]  ? kvm_sched_clock_read+0x9/0x20
[  404.512711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.518253]  ? check_preemption_disabled+0x48/0x280
[  404.523541]  irq_exit+0x17f/0x1c0
[  404.526996]  smp_apic_timer_interrupt+0x1cb/0x760
[  404.531840]  ? smp_reschedule_interrupt+0x109/0x650
[  404.536859]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.542749]  ? interrupt_entry+0xb5/0xc0
[  404.546815]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.551836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.556895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.561744]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.567114]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.572140]  ? task_prio+0x50/0x50
[  404.575690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.581230]  ? check_preemption_disabled+0x48/0x280
[  404.586256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.591106]  apic_timer_interrupt+0xf/0x20
[  404.595335]  </IRQ>
[  404.597576] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  404.602510] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  404.622208] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  404.629919] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  404.637193] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  404.644461] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  404.651734] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  404.659005] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  404.666308]  skb_clone+0x1bb/0x500
[  404.669855]  ? finish_task_switch+0x2f4/0x910
[  404.674353]  ? skb_split+0x11e0/0x11e0
[  404.678246]  ? preempt_notifier_register+0x200/0x200
[  404.683348]  ? __switch_to_asm+0x34/0x70
[  404.687409]  ? __switch_to_asm+0x34/0x70
[  404.691467]  ? __switch_to_asm+0x40/0x70
[  404.695528]  ? __switch_to_asm+0x34/0x70
[  404.699589]  ? __switch_to_asm+0x40/0x70
[  404.703658]  ? __switch_to_asm+0x34/0x70
[  404.707720]  ? __switch_to_asm+0x40/0x70
[  404.711781]  ? __switch_to_asm+0x34/0x70
[  404.715846]  ? __switch_to_asm+0x34/0x70
[  404.719905]  ? __switch_to_asm+0x40/0x70
[  404.723965]  ? __switch_to_asm+0x34/0x70
[  404.728035]  bpf_clone_redirect+0xb9/0x490
[  404.732272]  ? __schedule+0x8d7/0x21d0
[  404.736174]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  404.741194]  ? __sched_text_start+0x8/0x8
[  404.745343]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  404.750112]  ? find_held_lock+0x36/0x1c0
[  404.754188]  ? lock_acquire+0x1ed/0x520
[  404.758170]  ? bpf_test_run+0x3ee/0x7a0
[  404.762151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.767692]  ? check_preemption_disabled+0x48/0x280
[  404.772718]  ? kasan_check_read+0x11/0x20
[  404.776872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.782158]  ? rcu_softirq_qs+0x20/0x20
[  404.786177]  ? preempt_schedule+0x4d/0x60
[  404.790326]  ? ___preempt_schedule+0x16/0x18
[  404.794744]  ? bpf_test_run+0x271/0x7a0
[  404.798729]  ? netlink_diag_dump+0x2a0/0x2a0
[  404.803149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.808687]  ? bpf_test_init.isra.10+0x70/0x100
[  404.813365]  ? bpf_prog_test_run_skb+0x762/0xd60
[  404.818131]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.822985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.828524]  ? fput+0x130/0x1a0
[  404.831807]  ? __bpf_prog_get+0x9b/0x290
[  404.835878]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.840728]  ? bpf_prog_test_run+0x130/0x1a0
[  404.845145]  ? __x64_sys_bpf+0x3d8/0x520
[  404.849211]  ? bpf_prog_get+0x20/0x20
[  404.853033]  ? do_syscall_64+0x1b9/0x820
[  404.857094]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  404.862458]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.867387]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.872233]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.877255]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  404.882272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.887850]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.892875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.897731]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  404.903115] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  404.903197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.909957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.909964] Call Trace:
[  404.916528] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.925802]  dump_stack+0x244/0x39d
[  404.928364] syz-executor5 cpuset=syz5 mems_allowed=0
[  404.938847]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.952738]  warn_alloc.cold.116+0xb7/0x1bd
[  404.957063]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.961909]  ? lock_downgrade+0x900/0x900
[  404.966067]  ? trace_hardirqs_off+0xb8/0x310
[  404.970483]  ? trace_hardirqs_off+0xb8/0x310
[  404.974902]  __alloc_pages_slowpath+0x2651/0x2de0
[  404.979772]  ? warn_alloc+0x120/0x120
[  404.983575]  ? print_usage_bug+0xc0/0xc0
[  404.987657]  ? warn_alloc+0x120/0x120
[  404.991467]  ? warn_alloc+0x120/0x120
[  404.995309]  ? print_usage_bug+0xc0/0xc0
[  404.999378]  ? print_usage_bug+0xc0/0xc0
[  405.003477]  ? __lock_acquire+0x62f/0x4c20
[  405.007720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.013264]  ? should_fail+0x22d/0xd01
[  405.017157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.022300]  ? __lock_acquire+0x62f/0x4c20
[  405.026544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.031657]  ? __lock_acquire+0x62f/0x4c20
[  405.035891]  ? should_fail+0x22d/0xd01
[  405.039779]  ? find_held_lock+0x36/0x1c0
[  405.043850]  ? mark_held_locks+0x130/0x130
[  405.048091]  ? mark_held_locks+0x130/0x130
[  405.052324]  ? zap_class+0x640/0x640
[  405.056042]  ? zap_class+0x640/0x640
[  405.059758]  ? print_usage_bug+0xc0/0xc0
[  405.063820]  ? do_raw_spin_unlock+0xa7/0x330
[  405.068229]  ? zap_class+0x640/0x640
[  405.071945]  ? print_usage_bug+0xc0/0xc0
[  405.076010]  ? wq_watchdog_touch+0x9c/0xfe
[  405.080250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.085792]  ? check_preemption_disabled+0x48/0x280
[  405.090821]  ? __lock_is_held+0xb5/0x140
[  405.094890]  __alloc_pages_nodemask+0xad8/0xea0
[  405.099560]  ? zap_class+0x640/0x640
[  405.103315]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  405.108342]  ? find_held_lock+0x36/0x1c0
[  405.112413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.117083]  ? lock_downgrade+0x900/0x900
[  405.121241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.126784]  cache_grow_begin+0xa5/0x8c0
[  405.130845]  ? do_raw_spin_unlock+0xa7/0x330
[  405.135261]  fallback_alloc+0x204/0x2e0
[  405.139246]  ____cache_alloc_node+0x1c7/0x1e0
[  405.143752]  kmem_cache_alloc_node+0xe3/0x730
[  405.148253]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.152499]  __alloc_skb+0x119/0x770
[  405.156213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.161496]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.165910]  ? lock_downgrade+0x900/0x900
[  405.170065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.175626]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.181089]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.186543]  ? addrconf_rs_timer+0x690/0x690
[  405.191001]  ndisc_alloc_skb+0x144/0x340
[  405.195106]  ndisc_send_rs+0x331/0x6e0
[  405.199001]  addrconf_rs_timer+0x314/0x690
[  405.203241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.207487]  call_timer_fn+0x272/0x920
[  405.211375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.215622]  ? process_timeout+0x40/0x40
[  405.219692]  ? __run_timers+0x7da/0xc70
[  405.223668]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.228163]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.232696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.236935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.241524]  ? trace_hardirqs_on+0xbd/0x310
[  405.245849]  ? kasan_check_read+0x11/0x20
[  405.249998]  ? __run_timers+0x7da/0xc70
[  405.253974]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.259087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.263327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.267565]  __run_timers+0x7e5/0xc70
[  405.271389]  ? timer_fixup_init+0x70/0x70
[  405.275542]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.280036]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.284534]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.289120]  ? trace_hardirqs_on+0xbd/0x310
[  405.293443]  ? kasan_check_read+0x11/0x20
[  405.297612]  ? finish_task_switch+0x1f4/0x910
[  405.302111]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.307219]  ? compat_start_thread+0x80/0x80
[  405.311664]  ? pvclock_read_flags+0x160/0x160
[  405.316159]  ? __switch_to_asm+0x34/0x70
[  405.320225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.325764]  ? check_preemption_disabled+0x48/0x280
[  405.330793]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  405.336362]  ? rcu_pm_notify+0xc0/0xc0
[  405.340254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.345798]  ? check_preemption_disabled+0x48/0x280
[  405.350824]  run_timer_softirq+0x52/0xb0
[  405.354886]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.359943]  __do_softirq+0x308/0xb7e
[  405.363748]  ? retint_kernel+0x2d/0x2d
[  405.367641]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.372746]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.378195]  ? retint_kernel+0x2d/0x2d
[  405.382089]  ? schedule+0x108/0x460
[  405.385764]  ? trace_hardirqs_off+0xb8/0x310
[  405.390179]  ? smpboot_thread_fn+0x68b/0xa00
[  405.394609]  ? trace_hardirqs_on+0x310/0x310
[  405.399024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.404615]  ? check_preemption_disabled+0x48/0x280
[  405.409636]  ? takeover_tasklets+0xa90/0xa90
[  405.414050]  run_ksoftirqd+0x5e/0x100
[  405.417850]  smpboot_thread_fn+0x68b/0xa00
[  405.422089]  ? sort_range+0x30/0x30
[  405.425717]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.430825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.436365]  ? __kthread_parkme+0xfb/0x1a0
[  405.440612]  ? sort_range+0x30/0x30
[  405.444240]  kthread+0x35a/0x440
[  405.447655]  ? kthread_stop+0x900/0x900
[  405.451637]  ret_from_fork+0x3a/0x50
[  405.455372] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  405.455377] warn_alloc_show_mem: 1 callbacks suppressed
[  405.455383] Mem-Info:
[  405.462738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.468111] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  405.468111]  active_file:17 inactive_file:17 isolated_file:0
[  405.468111]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.468111]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  405.468111]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  405.468111]  free:13768 free_pcp:279 free_cma:0
[  405.470486] Call Trace:
[  405.479868] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.512890]  <IRQ>
[  405.515460] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.543132]  dump_stack+0x244/0x39d
[  405.545252] lowmem_reserve[]: 0 2818 6321 6321
[  405.571367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.574969] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  405.579568]  warn_alloc.cold.116+0xb7/0x1bd
[  405.584728] lowmem_reserve[]: 0 0 3503 3503
[  405.612143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.616440] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  405.620758]  ? lock_downgrade+0x900/0x900
[  405.625586] lowmem_reserve[]: 0 0 0 0
[  405.654573]  ? trace_hardirqs_off+0xb8/0x310
[  405.658700] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  405.662501]  ? trace_hardirqs_off+0xb8/0x310
[  405.666885] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  405.680406]  __alloc_pages_slowpath+0x2651/0x2de0
[  405.684792] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  405.699983]  ? warn_alloc+0x120/0x120
[  405.704792] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.719520]  ? print_usage_bug+0xc0/0xc0
[  405.723303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.732126]  ? warn_alloc+0x120/0x120
[  405.736167] 1758 total pagecache pages
[  405.744737]  ? warn_alloc+0x120/0x120
[  405.748523] 0 pages in swap cache
[  405.752417]  ? print_usage_bug+0xc0/0xc0
[  405.756211] Swap cache stats: add 0, delete 0, find 0/0
[  405.759694]  ? kvm_clock_read+0x18/0x30
[  405.763740] Free swap  = 0kB
[  405.769097]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  405.773059] Total swap = 0kB
[  405.776113]  ? print_usage_bug+0xc0/0xc0
[  405.781108] 1965979 pages RAM
[  405.784152]  ? __lock_acquire+0x62f/0x4c20
[  405.788187] 0 pages HighMem/MovableOnly
[  405.788194] 342853 pages reserved
[  405.791299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.795510] 0 pages cma reserved
[  405.799494]  ? should_fail+0x22d/0xd01
[  405.802995] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.808492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.808511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.812650] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.815739]  ? __lock_acquire+0x62f/0x4c20
[  405.815762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.822345] ksoftirqd/0 cpuset=/ mems_allowed=0
[  405.827610]  ? __lock_acquire+0x62f/0x4c20
[  405.827628]  ? should_fail+0x22d/0xd01
[  405.865279]  ? rcu_irq_exit+0x1a2/0x390
[  405.869265]  ? mark_held_locks+0x130/0x130
[  405.873510]  ? mark_held_locks+0x130/0x130
[  405.877761]  ? mark_held_locks+0xc7/0x130
[  405.881911]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  405.886930]  ? zap_class+0x640/0x640
[  405.890644]  ? print_usage_bug+0xc0/0xc0
[  405.894715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.900256]  ? check_preemption_disabled+0x48/0x280
[  405.905287]  ? __lock_is_held+0xb5/0x140
[  405.909356]  __alloc_pages_nodemask+0xad8/0xea0
[  405.914072]  ? zap_class+0x640/0x640
[  405.917793]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  405.922819]  ? find_held_lock+0x36/0x1c0
[  405.926891]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.931568]  ? lock_downgrade+0x900/0x900
[  405.935725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.941268]  cache_grow_begin+0xa5/0x8c0
[  405.945331]  ? do_raw_spin_unlock+0xa7/0x330
[  405.949749]  fallback_alloc+0x204/0x2e0
[  405.953738]  ____cache_alloc_node+0x1c7/0x1e0
[  405.958239]  kmem_cache_alloc_node+0xe3/0x730
[  405.962737]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.966982]  __alloc_skb+0x119/0x770
[  405.970696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.975977]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.980386]  ? lock_downgrade+0x900/0x900
[  405.984564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.990105]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.995572]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.001026]  ? addrconf_rs_timer+0x690/0x690
[  406.005489]  ndisc_alloc_skb+0x144/0x340
[  406.009574]  ndisc_send_rs+0x331/0x6e0
[  406.013471]  addrconf_rs_timer+0x314/0x690
[  406.017718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.021964]  call_timer_fn+0x272/0x920
[  406.025852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.030092]  ? process_timeout+0x40/0x40
[  406.034160]  ? __run_timers+0x7da/0xc70
[  406.038137]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.042634]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.047128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.051366]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.055952]  ? trace_hardirqs_on+0xbd/0x310
[  406.060277]  ? kasan_check_read+0x11/0x20
[  406.064423]  ? __run_timers+0x7da/0xc70
[  406.068401]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.073519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.077764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.082002]  __run_timers+0x7e5/0xc70
[  406.085856]  ? timer_fixup_init+0x70/0x70
[  406.090009]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.095037]  ? zap_class+0x640/0x640
[  406.098758]  ? enqueue_hrtimer+0x1a5/0x560
[  406.102995]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.108196]  ? find_held_lock+0x36/0x1c0
[  406.112261]  ? zap_class+0x640/0x640
[  406.115982]  ? pvclock_read_flags+0x160/0x160
[  406.120485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.126042]  ? check_preemption_disabled+0x48/0x280
[  406.131072]  ? __lock_is_held+0xb5/0x140
[  406.135129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.140667]  ? check_preemption_disabled+0x48/0x280
[  406.145691]  run_timer_softirq+0x52/0xb0
[  406.149756]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.154774]  __do_softirq+0x308/0xb7e
[  406.158584]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.163084]  ? lock_downgrade+0x900/0x900
[  406.167237]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.172347]  ? pvclock_read_flags+0x160/0x160
[  406.176846]  ? lapic_next_event+0x5a/0x90
[  406.180997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.186560]  ? kvm_clock_read+0x18/0x30
[  406.190556]  ? kvm_sched_clock_read+0x9/0x20
[  406.194969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.200518]  ? check_preemption_disabled+0x48/0x280
[  406.205563]  irq_exit+0x17f/0x1c0
[  406.209026]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.213868]  ? smp_reschedule_interrupt+0x109/0x650
[  406.218890]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.224776]  ? interrupt_entry+0xb5/0xc0
[  406.228840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.233855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.238913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.243759]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.248777]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.253800]  ? task_prio+0x50/0x50
[  406.257344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.262886]  ? check_preemption_disabled+0x48/0x280
[  406.267913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.272764]  apic_timer_interrupt+0xf/0x20
[  406.276993]  </IRQ>
[  406.279242] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  406.284173] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  406.303075] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.310783] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  406.318052] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  406.325358] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  406.332628] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  406.339932] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  406.347237]  skb_clone+0x1bb/0x500
[  406.350817]  ? finish_task_switch+0x2f4/0x910
[  406.355316]  ? skb_split+0x11e0/0x11e0
[  406.359207]  ? preempt_notifier_register+0x200/0x200
[  406.364311]  ? __switch_to_asm+0x34/0x70
[  406.368372]  ? __switch_to_asm+0x34/0x70
[  406.372434]  ? __switch_to_asm+0x40/0x70
[  406.376505]  ? __switch_to_asm+0x34/0x70
[  406.380569]  ? __switch_to_asm+0x40/0x70
[  406.384630]  ? __switch_to_asm+0x34/0x70
[  406.388688]  ? __switch_to_asm+0x40/0x70
[  406.392747]  ? __switch_to_asm+0x34/0x70
[  406.396808]  ? __switch_to_asm+0x34/0x70
[  406.400867]  ? __switch_to_asm+0x40/0x70
[  406.404965]  ? __switch_to_asm+0x34/0x70
[  406.409037]  bpf_clone_redirect+0xb9/0x490
[  406.413277]  ? __schedule+0x8d7/0x21d0
[  406.417174]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  406.422192]  ? __sched_text_start+0x8/0x8
[  406.426345]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  406.431114]  ? find_held_lock+0x36/0x1c0
[  406.435187]  ? lock_acquire+0x1ed/0x520
[  406.439168]  ? bpf_test_run+0x3ee/0x7a0
[  406.443148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.448688]  ? check_preemption_disabled+0x48/0x280
[  406.453971]  ? kasan_check_read+0x11/0x20
[  406.458126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.463403]  ? rcu_softirq_qs+0x20/0x20
[  406.467381]  ? preempt_schedule+0x4d/0x60
[  406.471531]  ? ___preempt_schedule+0x16/0x18
[  406.475951]  ? bpf_test_run+0x271/0x7a0
[  406.479943]  ? netlink_diag_dump+0x2a0/0x2a0
[  406.484357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.489897]  ? bpf_test_init.isra.10+0x70/0x100
[  406.494574]  ? bpf_prog_test_run_skb+0x762/0xd60
[  406.499339]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.504190]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.509728]  ? fput+0x130/0x1a0
[  406.513018]  ? __bpf_prog_get+0x9b/0x290
[  406.517087]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.521930]  ? bpf_prog_test_run+0x130/0x1a0
[  406.526615]  ? __x64_sys_bpf+0x3d8/0x520
[  406.530683]  ? bpf_prog_get+0x20/0x20
[  406.534512]  ? do_syscall_64+0x1b9/0x820
[  406.538574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  406.543944]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.548878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.553723]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.558741]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  406.563757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.569298]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.574320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.579174]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  406.584561] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  406.584634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.591407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.591412] Call Trace:
[  406.591430]  dump_stack+0x244/0x39d
[  406.591448]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.597991] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.607291]  warn_alloc.cold.116+0xb7/0x1bd
[  406.609847] syz-executor5 cpuset=syz5 mems_allowed=0
[  406.613485]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.643877]  ? lock_downgrade+0x900/0x900
[  406.648035]  ? trace_hardirqs_off+0xb8/0x310
[  406.652466]  ? trace_hardirqs_off+0xb8/0x310
[  406.656892]  __alloc_pages_slowpath+0x2651/0x2de0
[  406.661761]  ? warn_alloc+0x120/0x120
[  406.665568]  ? warn_alloc+0x120/0x120
[  406.669374]  ? __bfs+0xb0/0x780
[  406.672661]  ? warn_alloc+0x120/0x120
[  406.676510]  ? print_usage_bug+0xc0/0xc0
[  406.680577]  ? lockdep_on+0x50/0x50
[  406.684206]  ? print_bfs_bug+0x80/0x80
[  406.688101]  ? trace_hardirqs_off+0xb8/0x310
[  406.692517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.698058]  ? should_fail+0x22d/0xd01
[  406.701987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.707092]  ? __lock_acquire+0x62f/0x4c20
[  406.711336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.716440]  ? __lock_acquire+0x2aff/0x4c20
[  406.720779]  ? should_fail+0x22d/0xd01
[  406.724665]  ? print_usage_bug+0xc0/0xc0
[  406.728735]  ? mark_held_locks+0x130/0x130
[  406.732974]  ? mark_held_locks+0x130/0x130
[  406.737222]  ? zap_class+0x640/0x640
[  406.740941]  ? ret_from_fork+0x3a/0x50
[  406.744835]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  406.750724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.756263]  ? check_preemption_disabled+0x48/0x280
[  406.761289]  ? __lock_is_held+0xb5/0x140
[  406.765361]  __alloc_pages_nodemask+0xad8/0xea0
[  406.770067]  ? zap_class+0x640/0x640
[  406.773787]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  406.778852]  ? find_held_lock+0x36/0x1c0
[  406.782925]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.787597]  ? lock_downgrade+0x900/0x900
[  406.791760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.797304]  cache_grow_begin+0xa5/0x8c0
[  406.801365]  ? do_raw_spin_unlock+0xa7/0x330
[  406.805785]  fallback_alloc+0x204/0x2e0
[  406.809800]  ____cache_alloc_node+0x1c7/0x1e0
[  406.814304]  kmem_cache_alloc_node+0xe3/0x730
[  406.818800]  ? mark_held_locks+0xc7/0x130
[  406.822961]  __alloc_skb+0x119/0x770
[  406.826683]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.831102]  ? do_raw_spin_trylock+0x270/0x270
[  406.835691]  ? kmem_cache_alloc_trace+0x353/0x750
[  406.840540]  ? queue_work_on+0x12c/0x1e0
[  406.844610]  ? switchdev_port_obj_del+0xdc/0x440
[  406.849371]  ? switchdev_trans_item_enqueue+0x260/0x260
[  406.854738]  ? mod_timer+0x631/0x1560
[  406.858538]  ? wake_up_klogd+0x180/0x180
[  406.862601]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.867626]  __br_mdb_notify+0x4ff/0x15d0
[  406.871784]  ? __br_mdb_add+0x7f0/0x7f0
[  406.875760]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.880923]  ? zap_class+0x640/0x640
[  406.884646]  ? br_multicast_group_expired+0x96/0x610
[  406.889760]  br_mdb_notify+0x310/0x410
[  406.893650]  ? br_mdb_dump+0x27b0/0x27b0
[  406.897723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.903269]  br_multicast_group_expired+0x1bc/0x610
[  406.908289]  ? br_mdb_free+0x80/0x80
[  406.912019]  call_timer_fn+0x272/0x920
[  406.915920]  ? br_mdb_free+0x80/0x80
[  406.919638]  ? process_timeout+0x40/0x40
[  406.923706]  ? __run_timers+0x7da/0xc70
[  406.927684]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.932184]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.936683]  ? br_mdb_free+0x80/0x80
[  406.940399]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.944995]  ? trace_hardirqs_on+0xbd/0x310
[  406.949318]  ? kasan_check_read+0x11/0x20
[  406.953476]  ? __run_timers+0x7da/0xc70
[  406.957465]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.962575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.966815]  ? br_mdb_free+0x80/0x80
[  406.970529]  __run_timers+0x7e5/0xc70
[  406.974338]  ? timer_fixup_init+0x70/0x70
[  406.978490]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.982985]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.987482]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.992070]  ? trace_hardirqs_on+0xbd/0x310
[  406.996394]  ? kasan_check_read+0x11/0x20
[  407.000577]  ? finish_task_switch+0x1f4/0x910
[  407.005086]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.010194]  ? compat_start_thread+0x80/0x80
[  407.014625]  ? pvclock_read_flags+0x160/0x160
[  407.019249]  ? __switch_to_asm+0x34/0x70
[  407.023332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.028880]  ? check_preemption_disabled+0x48/0x280
[  407.033906]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.039464]  ? rcu_pm_notify+0xc0/0xc0
[  407.043356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.048895]  ? check_preemption_disabled+0x48/0x280
[  407.053919]  run_timer_softirq+0x52/0xb0
[  407.058015]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.063035]  __do_softirq+0x308/0xb7e
[  407.066843]  ? retint_kernel+0x2d/0x2d
[  407.070740]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.075848]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.081297]  ? retint_kernel+0x2d/0x2d
[  407.085193]  ? schedule+0x108/0x460
[  407.088830]  ? trace_hardirqs_off+0xb8/0x310
[  407.093240]  ? smpboot_thread_fn+0x68b/0xa00
[  407.097689]  ? trace_hardirqs_on+0x310/0x310
[  407.102106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.107683]  ? check_preemption_disabled+0x48/0x280
[  407.112702]  ? takeover_tasklets+0xa90/0xa90
[  407.117112]  run_ksoftirqd+0x5e/0x100
[  407.120915]  smpboot_thread_fn+0x68b/0xa00
[  407.125153]  ? sort_range+0x30/0x30
[  407.128781]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.133887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.139447]  ? __kthread_parkme+0xfb/0x1a0
[  407.143694]  ? sort_range+0x30/0x30
[  407.147364]  kthread+0x35a/0x440
[  407.150770]  ? kthread_stop+0x900/0x900
[  407.154750]  ret_from_fork+0x3a/0x50
[  407.158492] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  407.158518] warn_alloc_show_mem: 1 callbacks suppressed
[  407.158522] Mem-Info:
[  407.165856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.165864] Call Trace:
[  407.171238] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  407.171238]  active_file:17 inactive_file:17 isolated_file:0
[  407.171238]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.171238]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  407.171238]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  407.171238]  free:13768 free_pcp:279 free_cma:0
[  407.173615]  <IRQ>
[  407.182976] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.185590]  dump_stack+0x244/0x39d
[  407.218617] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  407.220769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.248428] lowmem_reserve[]: 0 2818 6321 6321
[  407.252062]  warn_alloc.cold.116+0xb7/0x1bd
[  407.278142] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  407.283329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.287889] lowmem_reserve[]: 0 0 3503 3503
[  407.292222]  ? lock_downgrade+0x900/0x900
[  407.319609] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  407.324455]  ? trace_hardirqs_off+0xb8/0x310
[  407.328751] lowmem_reserve[]: 0 0 0 0
[  407.332897]  ? trace_hardirqs_off+0xb8/0x310
[  407.361934] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  407.366343]  __alloc_pages_slowpath+0x2651/0x2de0
[  407.370115] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  407.374543]  ? warn_alloc+0x120/0x120
[  407.388025] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  407.392869]  ? print_usage_bug+0xc0/0xc0
[  407.408022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.411813]  ? warn_alloc+0x120/0x120
[  407.426536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.430590]  ? warn_alloc+0x120/0x120
[  407.439418] 1758 total pagecache pages
[  407.443212]  ? print_usage_bug+0xc0/0xc0
[  407.451771] 0 pages in swap cache
[  407.455562]  ? print_usage_bug+0xc0/0xc0
[  407.459431] Swap cache stats: add 0, delete 0, find 0/0
[  407.463482]  ? __lock_acquire+0x62f/0x4c20
[  407.466911] Free swap  = 0kB
[  407.470967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.476305] Total swap = 0kB
[  407.480533]  ? should_fail+0x22d/0xd01
[  407.483531] 1965979 pages RAM
[  407.489062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.492054] 0 pages HighMem/MovableOnly
[  407.492061] 342853 pages reserved
[  407.495940]  ? __lock_acquire+0x62f/0x4c20
[  407.499026] 0 pages cma reserved
[  407.504158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.509011] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.511556]  ? __lock_acquire+0x62f/0x4c20
[  407.515771] ksoftirqd/0 cpuset=/ mems_allowed=0
[  407.519127]  ? should_fail+0x22d/0xd01
[  407.519142]  ? find_held_lock+0x36/0x1c0
[  407.551614]  ? mark_held_locks+0x130/0x130
[  407.555854]  ? mark_held_locks+0x130/0x130
[  407.560089]  ? zap_class+0x640/0x640
[  407.563819]  ? zap_class+0x640/0x640
[  407.567538]  ? print_usage_bug+0xc0/0xc0
[  407.571599]  ? do_raw_spin_unlock+0xa7/0x330
[  407.576008]  ? zap_class+0x640/0x640
[  407.579726]  ? print_usage_bug+0xc0/0xc0
[  407.583789]  ? wq_watchdog_touch+0x9c/0xfe
[  407.588033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.593575]  ? check_preemption_disabled+0x48/0x280
[  407.598605]  ? __lock_is_held+0xb5/0x140
[  407.602674]  __alloc_pages_nodemask+0xad8/0xea0
[  407.607342]  ? zap_class+0x640/0x640
[  407.611109]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  407.616137]  ? find_held_lock+0x36/0x1c0
[  407.620208]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.624886]  ? lock_downgrade+0x900/0x900
[  407.629075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.634620]  cache_grow_begin+0xa5/0x8c0
[  407.638681]  ? do_raw_spin_unlock+0xa7/0x330
[  407.643101]  fallback_alloc+0x204/0x2e0
[  407.647080]  ____cache_alloc_node+0x1c7/0x1e0
[  407.651584]  kmem_cache_alloc_node+0xe3/0x730
[  407.656080]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.660325]  __alloc_skb+0x119/0x770
[  407.664040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.669320]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.673730]  ? lock_downgrade+0x900/0x900
[  407.677890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.683430]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.688888]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.694341]  ? addrconf_rs_timer+0x690/0x690
[  407.698773]  ndisc_alloc_skb+0x144/0x340
[  407.702838]  ndisc_send_rs+0x331/0x6e0
[  407.706732]  addrconf_rs_timer+0x314/0x690
[  407.710976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.715218]  call_timer_fn+0x272/0x920
[  407.719107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.723342]  ? process_timeout+0x40/0x40
[  407.727432]  ? __run_timers+0x7da/0xc70
[  407.731416]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.735912]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.740408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.744647]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.749236]  ? trace_hardirqs_on+0xbd/0x310
[  407.753649]  ? kasan_check_read+0x11/0x20
[  407.757797]  ? __run_timers+0x7da/0xc70
[  407.761773]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.766888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.771128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.775376]  __run_timers+0x7e5/0xc70
[  407.779186]  ? timer_fixup_init+0x70/0x70
[  407.783336]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.788378]  ? zap_class+0x640/0x640
[  407.792095]  ? enqueue_hrtimer+0x1a5/0x560
[  407.796333]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.801719]  ? find_held_lock+0x36/0x1c0
[  407.805788]  ? zap_class+0x640/0x640
[  407.809511]  ? pvclock_read_flags+0x160/0x160
[  407.814009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.819549]  ? check_preemption_disabled+0x48/0x280
[  407.824580]  ? __lock_is_held+0xb5/0x140
[  407.828645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.834186]  ? check_preemption_disabled+0x48/0x280
[  407.839210]  run_timer_softirq+0x52/0xb0
[  407.843273]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.848296]  __do_softirq+0x308/0xb7e
[  407.852129]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.856627]  ? lock_downgrade+0x900/0x900
[  407.860779]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.865895]  ? pvclock_read_flags+0x160/0x160
[  407.870398]  ? lapic_next_event+0x5a/0x90
[  407.874548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.880090]  ? kvm_clock_read+0x18/0x30
[  407.884065]  ? kvm_sched_clock_read+0x9/0x20
[  407.888476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.894015]  ? check_preemption_disabled+0x48/0x280
[  407.899045]  irq_exit+0x17f/0x1c0
[  407.902505]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.907364]  ? smp_reschedule_interrupt+0x109/0x650
[  407.912390]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.918279]  ? interrupt_entry+0xb5/0xc0
[  407.922362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.927386]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.932406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.937255]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.942275]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.947295]  ? task_prio+0x50/0x50
[  407.950837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.956392]  ? check_preemption_disabled+0x48/0x280
[  407.961420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.966270]  apic_timer_interrupt+0xf/0x20
[  407.970504]  </IRQ>
[  407.972748] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.977683] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  407.996587] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.004300] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.011579] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  408.018856] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  408.026127] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  408.033398] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  408.040720]  skb_clone+0x1bb/0x500
[  408.044267]  ? finish_task_switch+0x2f4/0x910
[  408.048768]  ? skb_split+0x11e0/0x11e0
[  408.052659]  ? preempt_notifier_register+0x200/0x200
[  408.057761]  ? __switch_to_asm+0x34/0x70
[  408.061825]  ? __switch_to_asm+0x34/0x70
[  408.065892]  ? __switch_to_asm+0x40/0x70
[  408.069952]  ? __switch_to_asm+0x34/0x70
[  408.074012]  ? __switch_to_asm+0x40/0x70
[  408.078075]  ? __switch_to_asm+0x34/0x70
[  408.082136]  ? __switch_to_asm+0x40/0x70
[  408.086193]  ? __switch_to_asm+0x34/0x70
[  408.090256]  ? __switch_to_asm+0x34/0x70
[  408.094320]  ? __switch_to_asm+0x40/0x70
[  408.098393]  ? __switch_to_asm+0x34/0x70
[  408.102462]  bpf_clone_redirect+0xb9/0x490
[  408.106699]  ? __schedule+0x8d7/0x21d0
[  408.110594]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  408.115614]  ? __sched_text_start+0x8/0x8
[  408.119768]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  408.124549]  ? find_held_lock+0x36/0x1c0
[  408.128618]  ? lock_acquire+0x1ed/0x520
[  408.132599]  ? bpf_test_run+0x3ee/0x7a0
[  408.136575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.142118]  ? check_preemption_disabled+0x48/0x280
[  408.147140]  ? kasan_check_read+0x11/0x20
[  408.151292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.156579]  ? rcu_softirq_qs+0x20/0x20
[  408.160556]  ? preempt_schedule+0x4d/0x60
[  408.164708]  ? ___preempt_schedule+0x16/0x18
[  408.169122]  ? bpf_test_run+0x271/0x7a0
[  408.173110]  ? netlink_diag_dump+0x2a0/0x2a0
[  408.177527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.183063]  ? bpf_test_init.isra.10+0x70/0x100
[  408.187742]  ? bpf_prog_test_run_skb+0x762/0xd60
[  408.192507]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.197371]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  408.202909]  ? fput+0x130/0x1a0
[  408.206192]  ? __bpf_prog_get+0x9b/0x290
[  408.210258]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.215101]  ? bpf_prog_test_run+0x130/0x1a0
[  408.219514]  ? __x64_sys_bpf+0x3d8/0x520
[  408.223577]  ? bpf_prog_get+0x20/0x20
[  408.227401]  ? do_syscall_64+0x1b9/0x820
[  408.231500]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  408.236867]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.241796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.246647]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.251667]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  408.256684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.262223]  ? prepare_exit_to_usermode+0x291/0x3b0
[  408.267379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.272232]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  408.277652] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  408.277725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.284499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.284504] Call Trace:
[  408.284524]  dump_stack+0x244/0x39d
[  408.284544]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.291097] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.300381]  warn_alloc.cold.116+0xb7/0x1bd
[  408.302937] syz-executor5 cpuset=syz5 mems_allowed=0
[  408.306558]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.336440]  ? lock_downgrade+0x900/0x900
[  408.340598]  ? trace_hardirqs_off+0xb8/0x310
[  408.345049]  ? trace_hardirqs_off+0xb8/0x310
[  408.349467]  __alloc_pages_slowpath+0x2651/0x2de0
[  408.354351]  ? warn_alloc+0x120/0x120
[  408.358163]  ? warn_alloc+0x120/0x120
[  408.361966]  ? __bfs+0xb0/0x780
[  408.365252]  ? warn_alloc+0x120/0x120
[  408.369055]  ? print_usage_bug+0xc0/0xc0
[  408.373120]  ? lockdep_on+0x50/0x50
[  408.376752]  ? print_usage_bug+0xc0/0xc0
[  408.380816]  ? check_usage+0x1aa/0x790
[  408.384710]  ? trace_hardirqs_off+0xb8/0x310
[  408.389165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.394707]  ? should_fail+0x22d/0xd01
[  408.398600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.403705]  ? __lock_acquire+0x62f/0x4c20
[  408.407946]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.413052]  ? __lock_acquire+0x62f/0x4c20
[  408.417306]  ? should_fail+0x22d/0xd01
[  408.421211]  ? mark_held_locks+0x130/0x130
[  408.425496]  ? mark_held_locks+0x130/0x130
[  408.429740]  ? zap_class+0x640/0x640
[  408.433459]  ? ret_from_fork+0x3a/0x50
[  408.437352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.442898]  ? check_preemption_disabled+0x48/0x280
[  408.447925]  ? __lock_is_held+0xb5/0x140
[  408.452555]  __alloc_pages_nodemask+0xad8/0xea0
[  408.457229]  ? zap_class+0x640/0x640
[  408.460949]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  408.465979]  ? find_held_lock+0x36/0x1c0
[  408.470050]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.474722]  ? lock_downgrade+0x900/0x900
[  408.478879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.484435]  cache_grow_begin+0xa5/0x8c0
[  408.488510]  ? do_raw_spin_unlock+0xa7/0x330
[  408.492926]  fallback_alloc+0x204/0x2e0
[  408.496913]  ____cache_alloc_node+0x1c7/0x1e0
[  408.501418]  kmem_cache_alloc_node+0xe3/0x730
[  408.505919]  ? mark_held_locks+0xc7/0x130
[  408.510098]  __alloc_skb+0x119/0x770
[  408.513828]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.518240]  ? do_raw_spin_trylock+0x270/0x270
[  408.522824]  ? kmem_cache_alloc_trace+0x353/0x750
[  408.527670]  ? queue_work_on+0x12c/0x1e0
[  408.531738]  ? switchdev_port_obj_del+0xdc/0x440
[  408.536497]  ? switchdev_trans_item_enqueue+0x260/0x260
[  408.541868]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.546890]  __br_mdb_notify+0x4ff/0x15d0
[  408.551048]  ? __br_mdb_add+0x7f0/0x7f0
[  408.555034]  ? zap_class+0x640/0x640
[  408.558763]  ? br_multicast_group_expired+0x96/0x610
[  408.563872]  ? lock_downgrade+0x900/0x900
[  408.568064]  br_mdb_notify+0x310/0x410
[  408.571954]  ? br_mdb_dump+0x27b0/0x27b0
[  408.576025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.581579]  br_multicast_group_expired+0x1bc/0x610
[  408.586604]  ? br_mdb_free+0x80/0x80
[  408.590339]  call_timer_fn+0x272/0x920
[  408.594228]  ? br_mdb_free+0x80/0x80
[  408.597946]  ? process_timeout+0x40/0x40
[  408.602017]  ? __run_timers+0x7da/0xc70
[  408.606032]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.610527]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.615023]  ? br_mdb_free+0x80/0x80
[  408.618972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.623604]  ? trace_hardirqs_on+0xbd/0x310
[  408.627929]  ? kasan_check_read+0x11/0x20
[  408.632077]  ? __run_timers+0x7da/0xc70
[  408.636056]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.641166]  ? br_mdb_free+0x80/0x80
[  408.644890]  ? br_mdb_free+0x80/0x80
[  408.648606]  __run_timers+0x7e5/0xc70
[  408.652417]  ? timer_fixup_init+0x70/0x70
[  408.656605]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.661099]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.665601]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.670185]  ? trace_hardirqs_on+0xbd/0x310
[  408.674510]  ? kasan_check_read+0x11/0x20
[  408.678661]  ? finish_task_switch+0x1f4/0x910
[  408.683158]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.688263]  ? compat_start_thread+0x80/0x80
[  408.692709]  ? pvclock_read_flags+0x160/0x160
[  408.697204]  ? __switch_to_asm+0x34/0x70
[  408.701283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.706832]  ? check_preemption_disabled+0x48/0x280
[  408.711859]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  408.717405]  ? rcu_pm_notify+0xc0/0xc0
[  408.721313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.726854]  ? check_preemption_disabled+0x48/0x280
[  408.731911]  run_timer_softirq+0x52/0xb0
[  408.735977]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.740996]  __do_softirq+0x308/0xb7e
[  408.744800]  ? retint_kernel+0x2d/0x2d
[  408.748694]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.753801]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.759249]  ? retint_kernel+0x2d/0x2d
[  408.763162]  ? schedule+0x108/0x460
[  408.766800]  ? trace_hardirqs_off+0xb8/0x310
[  408.771209]  ? smpboot_thread_fn+0x68b/0xa00
[  408.775626]  ? trace_hardirqs_on+0x310/0x310
[  408.780035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.785576]  ? check_preemption_disabled+0x48/0x280
[  408.790598]  ? takeover_tasklets+0xa90/0xa90
[  408.795008]  run_ksoftirqd+0x5e/0x100
[  408.798810]  smpboot_thread_fn+0x68b/0xa00
[  408.803049]  ? sort_range+0x30/0x30
[  408.806676]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.811781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.817342]  ? __kthread_parkme+0xfb/0x1a0
[  408.821582]  ? sort_range+0x30/0x30
[  408.825214]  kthread+0x35a/0x440
[  408.828586]  ? kthread_stop+0x900/0x900
[  408.832564]  ret_from_fork+0x3a/0x50
[  408.836307] warn_alloc_show_mem: 1 callbacks suppressed
[  408.836316] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  408.836318] Mem-Info:
[  408.836349] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  408.836349]  active_file:17 inactive_file:17 isolated_file:0
[  408.836349]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.836349]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  408.836349]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  408.836349]  free:13768 free_pcp:279 free_cma:0
[  408.841689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.841696] Call Trace:
[  408.849064] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.851462]  <IRQ>
[  408.884499] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.893861]  dump_stack+0x244/0x39d
[  408.896419] lowmem_reserve[]: 0 2818 6321 6321
[  408.924274]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.926441] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  408.952559]  warn_alloc.cold.116+0xb7/0x1bd
[  408.956149] lowmem_reserve[]: 0 0 3503 3503
[  408.960774]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.965940] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  408.993350]  ? lock_downgrade+0x900/0x900
[  408.997681] lowmem_reserve[]: 0 0 0 0
[  409.002004]  ? trace_hardirqs_off+0xb8/0x310
[  409.006820] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  409.035794]  ? trace_hardirqs_off+0xb8/0x310
[  409.039920] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  409.043723]  __alloc_pages_slowpath+0x2651/0x2de0
[  409.048105] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  409.061646]  ? warn_alloc+0x120/0x120
[  409.066019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.081385]  ? print_usage_bug+0xc0/0xc0
[  409.086303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  409.086312] 1758 total pagecache pages
[  409.101046]  ? warn_alloc+0x120/0x120
[  409.104832] 0 pages in swap cache
[  409.113658]  ? warn_alloc+0x120/0x120
[  409.117697] Swap cache stats: add 0, delete 0, find 0/0
[  409.117706] Free swap  = 0kB
[  409.126284]  ? print_usage_bug+0xc0/0xc0
[  409.130143] Total swap = 0kB
[  409.130151] 1965979 pages RAM
[  409.133949]  ? kvm_clock_read+0x18/0x30
[  409.137375] 0 pages HighMem/MovableOnly
[  409.137382] 342853 pages reserved
[  409.141179]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.146519] 0 pages cma reserved
[  409.149532]  ? print_usage_bug+0xc0/0xc0
[  409.153762] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.156617]  ? __lock_acquire+0x62f/0x4c20
[  409.159704] ksoftirqd/0 cpuset=/ mems_allowed=0
[  409.163677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.208279]  ? should_fail+0x22d/0xd01
[  409.212173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.217455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.222561]  ? __lock_acquire+0x62f/0x4c20
[  409.226804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.231911]  ? __lock_acquire+0x62f/0x4c20
[  409.236146]  ? should_fail+0x22d/0xd01
[  409.240038]  ? rcu_irq_exit+0x1a2/0x390
[  409.244025]  ? mark_held_locks+0x130/0x130
[  409.248272]  ? mark_held_locks+0x130/0x130
[  409.252519]  ? mark_held_locks+0xc7/0x130
[  409.256677]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  409.261696]  ? zap_class+0x640/0x640
[  409.265411]  ? print_usage_bug+0xc0/0xc0
[  409.269481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.275023]  ? check_preemption_disabled+0x48/0x280
[  409.280052]  ? __lock_is_held+0xb5/0x140
[  409.284157]  __alloc_pages_nodemask+0xad8/0xea0
[  409.289002]  ? zap_class+0x640/0x640
[  409.292722]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  409.297760]  ? find_held_lock+0x36/0x1c0
[  409.301833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.306507]  ? lock_downgrade+0x900/0x900
[  409.310663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.316209]  cache_grow_begin+0xa5/0x8c0
[  409.320318]  ? do_raw_spin_unlock+0xa7/0x330
[  409.324742]  fallback_alloc+0x204/0x2e0
[  409.328722]  ____cache_alloc_node+0x1c7/0x1e0
[  409.333241]  kmem_cache_alloc_node+0xe3/0x730
[  409.337743]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.341991]  __alloc_skb+0x119/0x770
[  409.345705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.351040]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.355452]  ? lock_downgrade+0x900/0x900
[  409.359647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.365189]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.370659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.376113]  ? addrconf_rs_timer+0x690/0x690
[  409.380534]  ndisc_alloc_skb+0x144/0x340
[  409.384604]  ndisc_send_rs+0x331/0x6e0
[  409.388498]  addrconf_rs_timer+0x314/0x690
[  409.392744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.396989]  call_timer_fn+0x272/0x920
[  409.400881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.405119]  ? process_timeout+0x40/0x40
[  409.409188]  ? __run_timers+0x7da/0xc70
[  409.413179]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.417689]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.422188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.426438]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.431023]  ? trace_hardirqs_on+0xbd/0x310
[  409.435349]  ? kasan_check_read+0x11/0x20
[  409.439501]  ? __run_timers+0x7da/0xc70
[  409.443477]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.448592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.452827]  __run_timers+0x7e5/0xc70
[  409.456639]  ? timer_fixup_init+0x70/0x70
[  409.460795]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.465814]  ? zap_class+0x640/0x640
[  409.469534]  ? enqueue_hrtimer+0x1a5/0x560
[  409.473773]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.478970]  ? find_held_lock+0x36/0x1c0
[  409.483037]  ? zap_class+0x640/0x640
[  409.486757]  ? pvclock_read_flags+0x160/0x160
[  409.491259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.496804]  ? check_preemption_disabled+0x48/0x280
[  409.501832]  ? __lock_is_held+0xb5/0x140
[  409.505895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.511435]  ? check_preemption_disabled+0x48/0x280
[  409.516462]  run_timer_softirq+0x52/0xb0
[  409.520530]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.525552]  __do_softirq+0x308/0xb7e
[  409.529357]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  409.533854]  ? lock_downgrade+0x900/0x900
[  409.538183]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.543311]  ? pvclock_read_flags+0x160/0x160
[  409.547811]  ? lapic_next_event+0x5a/0x90
[  409.551962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.557509]  ? kvm_clock_read+0x18/0x30
[  409.561487]  ? kvm_sched_clock_read+0x9/0x20
[  409.565900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.571444]  ? check_preemption_disabled+0x48/0x280
[  409.576473]  irq_exit+0x17f/0x1c0
[  409.579933]  smp_apic_timer_interrupt+0x1cb/0x760
[  409.584777]  ? smp_reschedule_interrupt+0x109/0x650
[  409.589796]  ? smp_call_function_single_interrupt+0x650/0x650
[  409.595682]  ? interrupt_entry+0xb5/0xc0
[  409.599752]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.604783]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.609805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.614653]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.619790]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.624808]  ? task_prio+0x50/0x50
[  409.628352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.633895]  ? check_preemption_disabled+0x48/0x280
[  409.638918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.643769]  apic_timer_interrupt+0xf/0x20
[  409.647998]  </IRQ>
[  409.650255] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  409.655289] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  409.674275] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  409.681991] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  409.689264] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  409.696537] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  409.703807] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  409.711076] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  409.718383]  skb_clone+0x1bb/0x500
[  409.721963]  ? finish_task_switch+0x2f4/0x910
[  409.726462]  ? skb_split+0x11e0/0x11e0
[  409.730358]  ? preempt_notifier_register+0x200/0x200
[  409.735460]  ? __switch_to_asm+0x34/0x70
[  409.739521]  ? __switch_to_asm+0x34/0x70
[  409.743581]  ? __switch_to_asm+0x40/0x70
[  409.747643]  ? __switch_to_asm+0x34/0x70
[  409.751709]  ? __switch_to_asm+0x40/0x70
[  409.755769]  ? __switch_to_asm+0x34/0x70
[  409.759829]  ? __switch_to_asm+0x40/0x70
[  409.763891]  ? __switch_to_asm+0x34/0x70
[  409.767953]  ? __switch_to_asm+0x34/0x70
[  409.772011]  ? __switch_to_asm+0x40/0x70
[  409.776071]  ? __switch_to_asm+0x34/0x70
[  409.780142]  bpf_clone_redirect+0xb9/0x490
[  409.784394]  ? __schedule+0x8d7/0x21d0
[  409.788287]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  409.793313]  ? __sched_text_start+0x8/0x8
[  409.797462]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  409.802234]  ? find_held_lock+0x36/0x1c0
[  409.806304]  ? lock_acquire+0x1ed/0x520
[  409.810280]  ? bpf_test_run+0x3ee/0x7a0
[  409.814260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.819802]  ? check_preemption_disabled+0x48/0x280
[  409.824826]  ? kasan_check_read+0x11/0x20
[  409.828978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.834254]  ? rcu_softirq_qs+0x20/0x20
[  409.838234]  ? preempt_schedule+0x4d/0x60
[  409.842386]  ? ___preempt_schedule+0x16/0x18
[  409.846805]  ? bpf_test_run+0x271/0x7a0
[  409.850796]  ? netlink_diag_dump+0x2a0/0x2a0
[  409.855216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.860754]  ? bpf_test_init.isra.10+0x70/0x100
[  409.865429]  ? bpf_prog_test_run_skb+0x762/0xd60
[  409.870203]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.875051]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.880593]  ? fput+0x130/0x1a0
[  409.883878]  ? __bpf_prog_get+0x9b/0x290
[  409.887944]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.892790]  ? bpf_prog_test_run+0x130/0x1a0
[  409.897230]  ? __x64_sys_bpf+0x3d8/0x520
[  409.901294]  ? bpf_prog_get+0x20/0x20
[  409.905117]  ? do_syscall_64+0x1b9/0x820
[  409.909189]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.914555]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.919485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.924366]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.929391]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.934412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.939955]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.944977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.949831]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.955221] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  409.955296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.962066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.962071] Call Trace:
[  409.962090]  dump_stack+0x244/0x39d
[  409.962109]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.968639] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.977951]  warn_alloc.cold.116+0xb7/0x1bd
[  409.980500] syz-executor5 cpuset=syz5 mems_allowed=0
[  409.984124]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.014132]  ? lock_downgrade+0x900/0x900
[  410.018308]  ? trace_hardirqs_off+0xb8/0x310
[  410.022740]  ? trace_hardirqs_off+0xb8/0x310
[  410.027178]  __alloc_pages_slowpath+0x2651/0x2de0
[  410.032050]  ? warn_alloc+0x120/0x120
[  410.035870]  ? warn_alloc+0x120/0x120
[  410.039681]  ? warn_alloc+0x120/0x120
[  410.043484]  ? print_usage_bug+0xc0/0xc0
[  410.047555]  ? print_usage_bug+0xc0/0xc0
[  410.051629]  ? check_preemption_disabled+0x48/0x280
[  410.056654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.062206]  ? should_fail+0x22d/0xd01
[  410.066099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.071215]  ? __lock_acquire+0x62f/0x4c20
[  410.075464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.080568]  ? __lock_acquire+0x62f/0x4c20
[  410.084804]  ? should_fail+0x22d/0xd01
[  410.088703]  ? mark_held_locks+0x130/0x130
[  410.092944]  ? mark_held_locks+0x130/0x130
[  410.097197]  ? zap_class+0x640/0x640
[  410.100952]  ? print_usage_bug+0xc0/0xc0
[  410.105013]  ? mark_held_locks+0x130/0x130
[  410.109253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.114791]  ? check_preemption_disabled+0x48/0x280
[  410.119818]  ? __lock_is_held+0xb5/0x140
[  410.123887]  __alloc_pages_nodemask+0xad8/0xea0
[  410.128560]  ? zap_class+0x640/0x640
[  410.132281]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  410.137309]  ? find_held_lock+0x36/0x1c0
[  410.141384]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.146059]  ? lock_downgrade+0x900/0x900
[  410.150220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.155771]  cache_grow_begin+0xa5/0x8c0
[  410.159871]  ? do_raw_spin_unlock+0xa7/0x330
[  410.164290]  fallback_alloc+0x204/0x2e0
[  410.168271]  ____cache_alloc_node+0x1c7/0x1e0
[  410.172770]  kmem_cache_alloc_node+0xe3/0x730
[  410.177273]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.181526]  __alloc_skb+0x119/0x770
[  410.185246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.190572]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.194985]  ? lock_downgrade+0x900/0x900
[  410.199160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.204702]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.210175]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.215625]  ? addrconf_rs_timer+0x690/0x690
[  410.220048]  ndisc_alloc_skb+0x144/0x340
[  410.224119]  ndisc_send_rs+0x331/0x6e0
[  410.228066]  addrconf_rs_timer+0x314/0x690
[  410.232308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.236555]  call_timer_fn+0x272/0x920
[  410.240444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.244679]  ? process_timeout+0x40/0x40
[  410.248755]  ? __run_timers+0x7da/0xc70
[  410.252731]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.257234]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.261730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.265972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.270560]  ? trace_hardirqs_on+0xbd/0x310
[  410.274883]  ? kasan_check_read+0x11/0x20
[  410.279034]  ? __run_timers+0x7da/0xc70
[  410.283015]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.288155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.292395]  __run_timers+0x7e5/0xc70
[  410.296230]  ? timer_fixup_init+0x70/0x70
[  410.300417]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.304913]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.309414]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.314002]  ? trace_hardirqs_on+0xbd/0x310
[  410.318324]  ? kasan_check_read+0x11/0x20
[  410.322476]  ? finish_task_switch+0x1f4/0x910
[  410.326974]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.332083]  ? compat_start_thread+0x80/0x80
[  410.336512]  ? pvclock_read_flags+0x160/0x160
[  410.341012]  ? __switch_to_asm+0x34/0x70
[  410.345087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.350645]  ? check_preemption_disabled+0x48/0x280
[  410.355674]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  410.361219]  ? rcu_pm_notify+0xc0/0xc0
[  410.365109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.370671]  ? check_preemption_disabled+0x48/0x280
[  410.375700]  run_timer_softirq+0x52/0xb0
[  410.379766]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.384784]  __do_softirq+0x308/0xb7e
[  410.388591]  ? retint_kernel+0x2d/0x2d
[  410.392487]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.397591]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.403038]  ? retint_kernel+0x2d/0x2d
[  410.406937]  ? schedule+0x108/0x460
[  410.410575]  ? trace_hardirqs_off+0xb8/0x310
[  410.414986]  ? smpboot_thread_fn+0x68b/0xa00
[  410.419396]  ? trace_hardirqs_on+0x310/0x310
[  410.423816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.429357]  ? check_preemption_disabled+0x48/0x280
[  410.434377]  ? takeover_tasklets+0xa90/0xa90
[  410.438789]  run_ksoftirqd+0x5e/0x100
[  410.442598]  smpboot_thread_fn+0x68b/0xa00
[  410.446841]  ? sort_range+0x30/0x30
[  410.450971]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.456087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.461646]  ? __kthread_parkme+0xfb/0x1a0
[  410.465888]  ? sort_range+0x30/0x30
[  410.469519]  kthread+0x35a/0x440
[  410.472892]  ? kthread_stop+0x900/0x900
[  410.476883]  ret_from_fork+0x3a/0x50
[  410.480634] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  410.480639] warn_alloc_show_mem: 1 callbacks suppressed
[  410.480645] Mem-Info:
[  410.488092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.493473] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  410.493473]  active_file:17 inactive_file:17 isolated_file:0
[  410.493473]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.493473]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  410.493473]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  410.493473]  free:13768 free_pcp:279 free_cma:0
[  410.495850] Call Trace:
[  410.505235] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.538431]  <IRQ>
[  410.541003] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.568678]  dump_stack+0x244/0x39d
[  410.570806] lowmem_reserve[]: 0 2818 6321 6321
[  410.596918]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.600524] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  410.605125]  warn_alloc.cold.116+0xb7/0x1bd
[  410.610288] lowmem_reserve[]: 0 0 3503 3503
[  410.638265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.642563] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  410.646884]  ? lock_downgrade+0x900/0x900
[  410.651700] lowmem_reserve[]: 0 0 0 0
[  410.680698]  ? trace_hardirqs_off+0xb8/0x310
[  410.684816] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  410.688638]  ? trace_hardirqs_off+0xb8/0x310
[  410.693019] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  410.706537]  __alloc_pages_slowpath+0x2651/0x2de0
[  410.710916] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  410.726107]  ? warn_alloc+0x120/0x120
[  410.730910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.745742]  ? print_usage_bug+0xc0/0xc0
[  410.749519] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.758336]  ? warn_alloc+0x120/0x120
[  410.762370] 1758 total pagecache pages
[  410.770945]  ? warn_alloc+0x120/0x120
[  410.774722] 0 pages in swap cache
[  410.778596]  ? print_usage_bug+0xc0/0xc0
[  410.782364] Swap cache stats: add 0, delete 0, find 0/0
[  410.782372] Free swap  = 0kB
[  410.785816]  ? print_usage_bug+0xc0/0xc0
[  410.789847] Total swap = 0kB
[  410.795228]  ? __lock_acquire+0x62f/0x4c20
[  410.798218] 1965979 pages RAM
[  410.802271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.805263] 0 pages HighMem/MovableOnly
[  410.805270] 342853 pages reserved
[  410.809495]  ? should_fail+0x22d/0xd01
[  410.812568] 0 pages cma reserved
[  410.818110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.822132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.825495]  ? __lock_acquire+0x62f/0x4c20
[  410.829411] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.832710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.837782] ksoftirqd/0 cpuset=/ mems_allowed=0
[  410.844258]  ? __lock_acquire+0x62f/0x4c20
[  410.844272]  ? should_fail+0x22d/0xd01
[  410.876708]  ? find_held_lock+0x36/0x1c0
[  410.880772]  ? mark_held_locks+0x130/0x130
[  410.885017]  ? mark_held_locks+0x130/0x130
[  410.889248]  ? zap_class+0x640/0x640
[  410.892957]  ? zap_class+0x640/0x640
[  410.896669]  ? print_usage_bug+0xc0/0xc0
[  410.900725]  ? do_raw_spin_unlock+0xa7/0x330
[  410.905130]  ? zap_class+0x640/0x640
[  410.908838]  ? print_usage_bug+0xc0/0xc0
[  410.912897]  ? wq_watchdog_touch+0x9c/0xfe
[  410.917135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.922669]  ? check_preemption_disabled+0x48/0x280
[  410.927690]  ? __lock_is_held+0xb5/0x140
[  410.931751]  __alloc_pages_nodemask+0xad8/0xea0
[  410.936413]  ? zap_class+0x640/0x640
[  410.940130]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  410.945151]  ? find_held_lock+0x36/0x1c0
[  410.949217]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.953880]  ? lock_downgrade+0x900/0x900
[  410.958029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.963566]  cache_grow_begin+0xa5/0x8c0
[  410.967626]  ? do_raw_spin_unlock+0xa7/0x330
[  410.972034]  fallback_alloc+0x204/0x2e0
[  410.976015]  ____cache_alloc_node+0x1c7/0x1e0
[  410.980508]  kmem_cache_alloc_node+0xe3/0x730
[  410.985002]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.989242]  __alloc_skb+0x119/0x770
[  410.992953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.998229]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.002633]  ? lock_downgrade+0x900/0x900
[  411.006781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.012317]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.017779]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.023224]  ? addrconf_rs_timer+0x690/0x690
[  411.027642]  ndisc_alloc_skb+0x144/0x340
[  411.031701]  ndisc_send_rs+0x331/0x6e0
[  411.035592]  addrconf_rs_timer+0x314/0x690
[  411.039825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.044073]  call_timer_fn+0x272/0x920
[  411.047962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.052192]  ? process_timeout+0x40/0x40
[  411.056258]  ? __run_timers+0x7da/0xc70
[  411.060232]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.064721]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.069213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.073448]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.078026]  ? trace_hardirqs_on+0xbd/0x310
[  411.082347]  ? kasan_check_read+0x11/0x20
[  411.086486]  ? __run_timers+0x7da/0xc70
[  411.090460]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.095563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.099802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.104034]  __run_timers+0x7e5/0xc70
[  411.107843]  ? timer_fixup_init+0x70/0x70
[  411.111985]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.117001]  ? zap_class+0x640/0x640
[  411.120712]  ? enqueue_hrtimer+0x1a5/0x560
[  411.124942]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.130132]  ? find_held_lock+0x36/0x1c0
[  411.134196]  ? zap_class+0x640/0x640
[  411.137908]  ? pvclock_read_flags+0x160/0x160
[  411.142402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.147940]  ? check_preemption_disabled+0x48/0x280
[  411.152960]  ? __lock_is_held+0xb5/0x140
[  411.157017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.162553]  ? check_preemption_disabled+0x48/0x280
[  411.167579]  run_timer_softirq+0x52/0xb0
[  411.171637]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.176651]  __do_softirq+0x308/0xb7e
[  411.180449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.184942]  ? lock_downgrade+0x900/0x900
[  411.189093]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.194394]  ? pvclock_read_flags+0x160/0x160
[  411.198886]  ? lapic_next_event+0x5a/0x90
[  411.203030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.208587]  ? kvm_clock_read+0x18/0x30
[  411.212569]  ? kvm_sched_clock_read+0x9/0x20
[  411.216977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.222509]  ? check_preemption_disabled+0x48/0x280
[  411.227534]  irq_exit+0x17f/0x1c0
[  411.231010]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.235856]  ? smp_reschedule_interrupt+0x109/0x650
[  411.240865]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.246770]  ? interrupt_entry+0xb5/0xc0
[  411.250826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.255835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.260851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.265692]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.270706]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.275718]  ? task_prio+0x50/0x50
[  411.279257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.284790]  ? check_preemption_disabled+0x48/0x280
[  411.289805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.294657]  apic_timer_interrupt+0xf/0x20
[  411.298885]  </IRQ>
[  411.301134] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  411.306067] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  411.324960] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.332663] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  411.339939] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  411.347201] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  411.354461] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  411.361723] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  411.369021]  skb_clone+0x1bb/0x500
[  411.372581]  ? finish_task_switch+0x2f4/0x910
[  411.377074]  ? skb_split+0x11e0/0x11e0
[  411.380956]  ? preempt_notifier_register+0x200/0x200
[  411.386063]  ? __switch_to_asm+0x34/0x70
[  411.390122]  ? __switch_to_asm+0x34/0x70
[  411.394176]  ? __switch_to_asm+0x40/0x70
[  411.398227]  ? __switch_to_asm+0x34/0x70
[  411.402281]  ? __switch_to_asm+0x40/0x70
[  411.406334]  ? __switch_to_asm+0x34/0x70
[  411.410388]  ? __switch_to_asm+0x40/0x70
[  411.414445]  ? __switch_to_asm+0x34/0x70
[  411.418500]  ? __switch_to_asm+0x34/0x70
[  411.422556]  ? __switch_to_asm+0x40/0x70
[  411.426608]  ? __switch_to_asm+0x34/0x70
[  411.430670]  bpf_clone_redirect+0xb9/0x490
[  411.434900]  ? __schedule+0x8d7/0x21d0
[  411.438790]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  411.443803]  ? __sched_text_start+0x8/0x8
[  411.447948]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  411.452706]  ? find_held_lock+0x36/0x1c0
[  411.456783]  ? lock_acquire+0x1ed/0x520
[  411.460767]  ? bpf_test_run+0x3ee/0x7a0
[  411.464752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.470290]  ? check_preemption_disabled+0x48/0x280
[  411.475305]  ? kasan_check_read+0x11/0x20
[  411.479447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.484716]  ? rcu_softirq_qs+0x20/0x20
[  411.488686]  ? preempt_schedule+0x4d/0x60
[  411.492843]  ? ___preempt_schedule+0x16/0x18
[  411.497253]  ? bpf_test_run+0x271/0x7a0
[  411.501232]  ? netlink_diag_dump+0x2a0/0x2a0
[  411.505640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.511174]  ? bpf_test_init.isra.10+0x70/0x100
[  411.515841]  ? bpf_prog_test_run_skb+0x762/0xd60
[  411.520604]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  411.525450]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  411.530984]  ? fput+0x130/0x1a0
[  411.534267]  ? __bpf_prog_get+0x9b/0x290
[  411.538329]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  411.543164]  ? bpf_prog_test_run+0x130/0x1a0
[  411.547570]  ? __x64_sys_bpf+0x3d8/0x520
[  411.551625]  ? bpf_prog_get+0x20/0x20
[  411.555450]  ? do_syscall_64+0x1b9/0x820
[  411.559506]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  411.564870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.569798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.574637]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.579649]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  411.584659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.590194]  ? prepare_exit_to_usermode+0x291/0x3b0
[  411.595211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.600058]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  411.605432] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  411.605504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.612274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.612279] Call Trace:
[  411.612298]  dump_stack+0x244/0x39d
[  411.612318]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.618838] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.628138]  warn_alloc.cold.116+0xb7/0x1bd
[  411.630709] syz-executor5 cpuset=syz5 mems_allowed=0
[  411.634339]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.664223]  ? lock_downgrade+0x900/0x900
[  411.668380]  ? trace_hardirqs_off+0xb8/0x310
[  411.672793]  ? trace_hardirqs_off+0xb8/0x310
[  411.677204]  __alloc_pages_slowpath+0x2651/0x2de0
[  411.682074]  ? warn_alloc+0x120/0x120
[  411.685875]  ? print_usage_bug+0xc0/0xc0
[  411.689932]  ? warn_alloc+0x120/0x120
[  411.693733]  ? warn_alloc+0x120/0x120
[  411.697541]  ? print_usage_bug+0xc0/0xc0
[  411.701601]  ? print_usage_bug+0xc0/0xc0
[  411.705661]  ? __lock_acquire+0x62f/0x4c20
[  411.709902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.715441]  ? should_fail+0x22d/0xd01
[  411.719336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.724433]  ? __lock_acquire+0x62f/0x4c20
[  411.728683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.733778]  ? __lock_acquire+0x62f/0x4c20
[  411.738017]  ? should_fail+0x22d/0xd01
[  411.741902]  ? find_held_lock+0x36/0x1c0
[  411.745965]  ? mark_held_locks+0x130/0x130
[  411.750210]  ? mark_held_locks+0x130/0x130
[  411.754439]  ? zap_class+0x640/0x640
[  411.758148]  ? zap_class+0x640/0x640
[  411.761857]  ? print_usage_bug+0xc0/0xc0
[  411.765916]  ? do_raw_spin_unlock+0xa7/0x330
[  411.770322]  ? zap_class+0x640/0x640
[  411.774037]  ? print_usage_bug+0xc0/0xc0
[  411.778098]  ? wq_watchdog_touch+0x9c/0xfe
[  411.782334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.787869]  ? check_preemption_disabled+0x48/0x280
[  411.792892]  ? __lock_is_held+0xb5/0x140
[  411.796952]  __alloc_pages_nodemask+0xad8/0xea0
[  411.801615]  ? zap_class+0x640/0x640
[  411.805337]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  411.810446]  ? find_held_lock+0x36/0x1c0
[  411.814511]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.819182]  ? lock_downgrade+0x900/0x900
[  411.823342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.828884]  cache_grow_begin+0xa5/0x8c0
[  411.832941]  ? do_raw_spin_unlock+0xa7/0x330
[  411.837351]  fallback_alloc+0x204/0x2e0
[  411.841328]  ____cache_alloc_node+0x1c7/0x1e0
[  411.845824]  kmem_cache_alloc_node+0xe3/0x730
[  411.850332]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.854573]  __alloc_skb+0x119/0x770
[  411.858279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.863557]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.867962]  ? lock_downgrade+0x900/0x900
[  411.872126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.877661]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.883112]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.888560]  ? addrconf_rs_timer+0x690/0x690
[  411.892972]  ndisc_alloc_skb+0x144/0x340
[  411.897046]  ndisc_send_rs+0x331/0x6e0
[  411.900938]  addrconf_rs_timer+0x314/0x690
[  411.905176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.909415]  call_timer_fn+0x272/0x920
[  411.913299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.917527]  ? process_timeout+0x40/0x40
[  411.921589]  ? __run_timers+0x7da/0xc70
[  411.925565]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.930056]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.934548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.938777]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.943358]  ? trace_hardirqs_on+0xbd/0x310
[  411.947673]  ? kasan_check_read+0x11/0x20
[  411.951817]  ? __run_timers+0x7da/0xc70
[  411.955787]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.961004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.965238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.969469]  __run_timers+0x7e5/0xc70
[  411.973282]  ? timer_fixup_init+0x70/0x70
[  411.977423]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.981913]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.986403]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.991009]  ? trace_hardirqs_on+0xbd/0x310
[  411.995335]  ? kasan_check_read+0x11/0x20
[  411.999488]  ? finish_task_switch+0x1f4/0x910
[  412.003999]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.009096]  ? compat_start_thread+0x80/0x80
[  412.013528]  ? pvclock_read_flags+0x160/0x160
[  412.018017]  ? __switch_to_asm+0x34/0x70
[  412.022074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.027610]  ? check_preemption_disabled+0x48/0x280
[  412.032631]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.038169]  ? rcu_pm_notify+0xc0/0xc0
[  412.042059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.047602]  ? check_preemption_disabled+0x48/0x280
[  412.052618]  run_timer_softirq+0x52/0xb0
[  412.056674]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.061684]  __do_softirq+0x308/0xb7e
[  412.065483]  ? retint_kernel+0x2d/0x2d
[  412.069372]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.074469]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.079931]  ? retint_kernel+0x2d/0x2d
[  412.083819]  ? schedule+0x108/0x460
[  412.087453]  ? trace_hardirqs_off+0xb8/0x310
[  412.091861]  ? smpboot_thread_fn+0x68b/0xa00
[  412.096261]  ? trace_hardirqs_on+0x310/0x310
[  412.100669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.106201]  ? check_preemption_disabled+0x48/0x280
[  412.111211]  ? takeover_tasklets+0xa90/0xa90
[  412.115631]  run_ksoftirqd+0x5e/0x100
[  412.119425]  smpboot_thread_fn+0x68b/0xa00
[  412.123655]  ? sort_range+0x30/0x30
[  412.127277]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.132378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.137911]  ? __kthread_parkme+0xfb/0x1a0
[  412.142149]  ? sort_range+0x30/0x30
[  412.145775]  kthread+0x35a/0x440
[  412.149139]  ? kthread_stop+0x900/0x900
[  412.153112]  ret_from_fork+0x3a/0x50
[  412.156834] warn_alloc_show_mem: 1 callbacks suppressed
[  412.156844] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  412.156845] Mem-Info:
[  412.156877] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  412.156877]  active_file:17 inactive_file:17 isolated_file:0
[  412.156877]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.156877]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  412.156877]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  412.156877]  free:13768 free_pcp:279 free_cma:0
[  412.162205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.169560] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.171946] Call Trace:
[  412.204988] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  412.214326]  <IRQ>
[  412.241974] lowmem_reserve[]: 0 2818 6321 6321
[  412.244558]  dump_stack+0x244/0x39d
[  412.270633] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  412.272791]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.277342] lowmem_reserve[]: 0 0 3503 3503
[  412.280979]  warn_alloc.cold.116+0xb7/0x1bd
[  412.308360] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  412.313553]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.317839] lowmem_reserve[]: 0 0 0 0
[  412.322156]  ? lock_downgrade+0x900/0x900
[  412.351102] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  412.355947]  ? trace_hardirqs_off+0xb8/0x310
[  412.359719] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  412.363955]  ? trace_hardirqs_off+0xb8/0x310
[  412.377454] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  412.381862]  __alloc_pages_slowpath+0x2651/0x2de0
[  412.397013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.401443]  ? warn_alloc+0x120/0x120
[  412.416138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.420977]  ? print_usage_bug+0xc0/0xc0
[  412.420997]  ? warn_alloc+0x120/0x120
[  412.429811] 1758 total pagecache pages
[  412.433609]  ? warn_alloc+0x120/0x120
[  412.442165] 0 pages in swap cache
[  412.446209]  ? print_usage_bug+0xc0/0xc0
[  412.450484] Swap cache stats: add 0, delete 0, find 0/0
[  412.450492] Free swap  = 0kB
[  412.454384]  ? print_usage_bug+0xc0/0xc0
[  412.458142] Total swap = 0kB
[  412.458150] 1965979 pages RAM
[  412.461591]  ? __lock_acquire+0x62f/0x4c20
[  412.465631] 0 pages HighMem/MovableOnly
[  412.470984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.473972] 342853 pages reserved
[  412.478032]  ? should_fail+0x22d/0xd01
[  412.481021] 0 pages cma reserved
[  412.484115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.488390] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.492279]  ? __lock_acquire+0x62f/0x4c20
[  412.492296]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.492311]  ? __lock_acquire+0x62f/0x4c20
[  412.497883] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.501266]  ? should_fail+0x22d/0xd01
[  412.505124] ksoftirqd/0 cpuset=/ mems_allowed=0
[  412.508478]  ? find_held_lock+0x36/0x1c0
[  412.556420]  ? mark_held_locks+0x130/0x130
[  412.560657]  ? mark_held_locks+0x130/0x130
[  412.564997]  ? zap_class+0x640/0x640
[  412.568708]  ? zap_class+0x640/0x640
[  412.572421]  ? print_usage_bug+0xc0/0xc0
[  412.576485]  ? do_raw_spin_unlock+0xa7/0x330
[  412.580893]  ? zap_class+0x640/0x640
[  412.584608]  ? print_usage_bug+0xc0/0xc0
[  412.588663]  ? wq_watchdog_touch+0x9c/0xfe
[  412.592900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.598447]  ? check_preemption_disabled+0x48/0x280
[  412.603470]  ? __lock_is_held+0xb5/0x140
[  412.607535]  __alloc_pages_nodemask+0xad8/0xea0
[  412.612199]  ? zap_class+0x640/0x640
[  412.615911]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  412.621485]  ? find_held_lock+0x36/0x1c0
[  412.625562]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.630231]  ? lock_downgrade+0x900/0x900
[  412.634408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.639955]  cache_grow_begin+0xa5/0x8c0
[  412.644016]  ? do_raw_spin_unlock+0xa7/0x330
[  412.648428]  fallback_alloc+0x204/0x2e0
[  412.652413]  ____cache_alloc_node+0x1c7/0x1e0
[  412.656917]  kmem_cache_alloc_node+0xe3/0x730
[  412.661412]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.665653]  __alloc_skb+0x119/0x770
[  412.669363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.674638]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.679040]  ? lock_downgrade+0x900/0x900
[  412.683191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.688726]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.694178]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.699624]  ? addrconf_rs_timer+0x690/0x690
[  412.704042]  ndisc_alloc_skb+0x144/0x340
[  412.708108]  ndisc_send_rs+0x331/0x6e0
[  412.711999]  addrconf_rs_timer+0x314/0x690
[  412.716334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.720573]  call_timer_fn+0x272/0x920
[  412.724458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.728687]  ? process_timeout+0x40/0x40
[  412.732747]  ? __run_timers+0x7da/0xc70
[  412.736722]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.741212]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.745703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.750035]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.754617]  ? trace_hardirqs_on+0xbd/0x310
[  412.759023]  ? kasan_check_read+0x11/0x20
[  412.763167]  ? __run_timers+0x7da/0xc70
[  412.767138]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.772251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.776483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.780708]  __run_timers+0x7e5/0xc70
[  412.784514]  ? timer_fixup_init+0x70/0x70
[  412.788657]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.793670]  ? zap_class+0x640/0x640
[  412.797381]  ? enqueue_hrtimer+0x1a5/0x560
[  412.801611]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.806803]  ? find_held_lock+0x36/0x1c0
[  412.810865]  ? zap_class+0x640/0x640
[  412.814578]  ? pvclock_read_flags+0x160/0x160
[  412.819069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.824602]  ? check_preemption_disabled+0x48/0x280
[  412.829620]  ? __lock_is_held+0xb5/0x140
[  412.833693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.839230]  ? check_preemption_disabled+0x48/0x280
[  412.844245]  run_timer_softirq+0x52/0xb0
[  412.848304]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.853331]  __do_softirq+0x308/0xb7e
[  412.857129]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.861618]  ? lock_downgrade+0x900/0x900
[  412.865763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.870868]  ? pvclock_read_flags+0x160/0x160
[  412.875365]  ? lapic_next_event+0x5a/0x90
[  412.879509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.885047]  ? kvm_clock_read+0x18/0x30
[  412.889030]  ? kvm_sched_clock_read+0x9/0x20
[  412.893934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.899468]  ? check_preemption_disabled+0x48/0x280
[  412.904490]  irq_exit+0x17f/0x1c0
[  412.907941]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.912780]  ? smp_reschedule_interrupt+0x109/0x650
[  412.917797]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.923676]  ? interrupt_entry+0xb5/0xc0
[  412.927746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.932756]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.937771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.942619]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.947632]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.952646]  ? task_prio+0x50/0x50
[  412.956184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.961717]  ? check_preemption_disabled+0x48/0x280
[  412.966733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.971580]  apic_timer_interrupt+0xf/0x20
[  412.975803]  </IRQ>
[  412.978037] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  412.982964] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  413.001862] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.009573] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.016835] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  413.024098] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  413.031360] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  413.038626] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  413.045927]  skb_clone+0x1bb/0x500
[  413.049466]  ? finish_task_switch+0x2f4/0x910
[  413.054044]  ? skb_split+0x11e0/0x11e0
[  413.057944]  ? preempt_notifier_register+0x200/0x200
[  413.063042]  ? __switch_to_asm+0x34/0x70
[  413.067098]  ? __switch_to_asm+0x34/0x70
[  413.071153]  ? __switch_to_asm+0x40/0x70
[  413.075208]  ? __switch_to_asm+0x34/0x70
[  413.079264]  ? __switch_to_asm+0x40/0x70
[  413.083318]  ? __switch_to_asm+0x34/0x70
[  413.087376]  ? __switch_to_asm+0x40/0x70
[  413.091437]  ? __switch_to_asm+0x34/0x70
[  413.095494]  ? __switch_to_asm+0x34/0x70
[  413.099553]  ? __switch_to_asm+0x40/0x70
[  413.103608]  ? __switch_to_asm+0x34/0x70
[  413.107668]  bpf_clone_redirect+0xb9/0x490
[  413.111902]  ? __schedule+0x8d7/0x21d0
[  413.115794]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  413.120807]  ? __sched_text_start+0x8/0x8
[  413.124955]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  413.129730]  ? find_held_lock+0x36/0x1c0
[  413.133797]  ? lock_acquire+0x1ed/0x520
[  413.137771]  ? bpf_test_run+0x3ee/0x7a0
[  413.141742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.147275]  ? check_preemption_disabled+0x48/0x280
[  413.152382]  ? kasan_check_read+0x11/0x20
[  413.156526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.161796]  ? rcu_softirq_qs+0x20/0x20
[  413.165765]  ? preempt_schedule+0x4d/0x60
[  413.169912]  ? ___preempt_schedule+0x16/0x18
[  413.174330]  ? bpf_test_run+0x271/0x7a0
[  413.178312]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.182717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.188253]  ? bpf_test_init.isra.10+0x70/0x100
[  413.192927]  ? bpf_prog_test_run_skb+0x762/0xd60
[  413.197691]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.202535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.208068]  ? fput+0x130/0x1a0
[  413.211344]  ? __bpf_prog_get+0x9b/0x290
[  413.215407]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.220243]  ? bpf_prog_test_run+0x130/0x1a0
[  413.224660]  ? __x64_sys_bpf+0x3d8/0x520
[  413.228719]  ? bpf_prog_get+0x20/0x20
[  413.232531]  ? do_syscall_64+0x1b9/0x820
[  413.236586]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.241951]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.246880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.251718]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.256732]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.261743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.267278]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.272297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.277143]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.282517] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  413.282592] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.289357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.289364] Call Trace:
[  413.295940] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.305194]  dump_stack+0x244/0x39d
[  413.307753] syz-executor5 cpuset=syz5 mems_allowed=0
[  413.318227]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.332093]  warn_alloc.cold.116+0xb7/0x1bd
[  413.336411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.341260]  ? lock_downgrade+0x900/0x900
[  413.345418]  ? trace_hardirqs_off+0xb8/0x310
[  413.349827]  ? trace_hardirqs_off+0xb8/0x310
[  413.354246]  __alloc_pages_slowpath+0x2651/0x2de0
[  413.359109]  ? warn_alloc+0x120/0x120
[  413.362908]  ? print_usage_bug+0xc0/0xc0
[  413.366964]  ? warn_alloc+0x120/0x120
[  413.370763]  ? warn_alloc+0x120/0x120
[  413.374666]  ? print_usage_bug+0xc0/0xc0
[  413.378746]  ? print_usage_bug+0xc0/0xc0
[  413.382801]  ? __lock_acquire+0x62f/0x4c20
[  413.387041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.392573]  ? should_fail+0x22d/0xd01
[  413.396457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.401557]  ? __lock_acquire+0x62f/0x4c20
[  413.405789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.410887]  ? __lock_acquire+0x62f/0x4c20
[  413.415116]  ? should_fail+0x22d/0xd01
[  413.418996]  ? find_held_lock+0x36/0x1c0
[  413.423059]  ? mark_held_locks+0x130/0x130
[  413.427380]  ? mark_held_locks+0x130/0x130
[  413.431608]  ? zap_class+0x640/0x640
[  413.435318]  ? zap_class+0x640/0x640
[  413.439033]  ? print_usage_bug+0xc0/0xc0
[  413.443091]  ? do_raw_spin_unlock+0xa7/0x330
[  413.447494]  ? zap_class+0x640/0x640
[  413.451676]  ? print_usage_bug+0xc0/0xc0
[  413.455734]  ? wq_watchdog_touch+0x9c/0xfe
[  413.459971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.465505]  ? check_preemption_disabled+0x48/0x280
[  413.470540]  ? __lock_is_held+0xb5/0x140
[  413.474601]  __alloc_pages_nodemask+0xad8/0xea0
[  413.479261]  ? zap_class+0x640/0x640
[  413.482972]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  413.487997]  ? find_held_lock+0x36/0x1c0
[  413.492066]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.496731]  ? lock_downgrade+0x900/0x900
[  413.500888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.506441]  cache_grow_begin+0xa5/0x8c0
[  413.510494]  ? do_raw_spin_unlock+0xa7/0x330
[  413.514903]  fallback_alloc+0x204/0x2e0
[  413.518884]  ____cache_alloc_node+0x1c7/0x1e0
[  413.523382]  kmem_cache_alloc_node+0xe3/0x730
[  413.527880]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.532120]  __alloc_skb+0x119/0x770
[  413.535828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.541115]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.545519]  ? lock_downgrade+0x900/0x900
[  413.549671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.555202]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.560669]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.566113]  ? addrconf_rs_timer+0x690/0x690
[  413.570527]  ndisc_alloc_skb+0x144/0x340
[  413.574591]  ndisc_send_rs+0x331/0x6e0
[  413.578491]  addrconf_rs_timer+0x314/0x690
[  413.582723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.586961]  call_timer_fn+0x272/0x920
[  413.590852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.595081]  ? process_timeout+0x40/0x40
[  413.599145]  ? __run_timers+0x7da/0xc70
[  413.603115]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.607606]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.612093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.616337]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.620918]  ? trace_hardirqs_on+0xbd/0x310
[  413.625232]  ? kasan_check_read+0x11/0x20
[  413.629371]  ? __run_timers+0x7da/0xc70
[  413.633340]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.638445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.642679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.646908]  __run_timers+0x7e5/0xc70
[  413.650744]  ? timer_fixup_init+0x70/0x70
[  413.654891]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.659378]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.663875]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.668452]  ? trace_hardirqs_on+0xbd/0x310
[  413.672768]  ? kasan_check_read+0x11/0x20
[  413.676912]  ? finish_task_switch+0x1f4/0x910
[  413.681404]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.686510]  ? compat_start_thread+0x80/0x80
[  413.690932]  ? pvclock_read_flags+0x160/0x160
[  413.695423]  ? __switch_to_asm+0x34/0x70
[  413.699482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.705137]  ? check_preemption_disabled+0x48/0x280
[  413.710159]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  413.715696]  ? rcu_pm_notify+0xc0/0xc0
[  413.719581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.725217]  ? check_preemption_disabled+0x48/0x280
[  413.730232]  run_timer_softirq+0x52/0xb0
[  413.734292]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.739307]  __do_softirq+0x308/0xb7e
[  413.743122]  ? retint_kernel+0x2d/0x2d
[  413.747013]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.752109]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.757551]  ? retint_kernel+0x2d/0x2d
[  413.761437]  ? schedule+0x108/0x460
[  413.765066]  ? trace_hardirqs_off+0xb8/0x310
[  413.769473]  ? smpboot_thread_fn+0x68b/0xa00
[  413.773880]  ? trace_hardirqs_on+0x310/0x310
[  413.778285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.783840]  ? check_preemption_disabled+0x48/0x280
[  413.788867]  ? takeover_tasklets+0xa90/0xa90
[  413.793272]  run_ksoftirqd+0x5e/0x100
[  413.797071]  smpboot_thread_fn+0x68b/0xa00
[  413.801304]  ? sort_range+0x30/0x30
[  413.804928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.810026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.815558]  ? __kthread_parkme+0xfb/0x1a0
[  413.819790]  ? sort_range+0x30/0x30
[  413.823424]  kthread+0x35a/0x440
[  413.826787]  ? kthread_stop+0x900/0x900
[  413.830781]  ret_from_fork+0x3a/0x50
[  413.834512] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  413.834517] warn_alloc_show_mem: 1 callbacks suppressed
[  413.834523] Mem-Info:
[  413.841878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.847241] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  413.847241]  active_file:17 inactive_file:17 isolated_file:0
[  413.847241]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.847241]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  413.847241]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  413.847241]  free:13768 free_pcp:279 free_cma:0
[  413.849624] Call Trace:
[  413.858998] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.892007]  <IRQ>
[  413.894568] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.922243]  dump_stack+0x244/0x39d
[  413.924364] lowmem_reserve[]: 0 2818 6321 6321
[  413.950460]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.954057] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  413.958637]  warn_alloc.cold.116+0xb7/0x1bd
[  413.963788] lowmem_reserve[]: 0 0 3503 3503
[  413.991194]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.995485] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  413.999804]  ? lock_downgrade+0x900/0x900
[  414.004618] lowmem_reserve[]: 0 0 0 0
[  414.033585]  ? trace_hardirqs_off+0xb8/0x310
[  414.037798] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  414.041593]  ? trace_hardirqs_off+0xb8/0x310
[  414.045973] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  414.059491]  __alloc_pages_slowpath+0x2651/0x2de0
[  414.063866] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  414.079051]  ? warn_alloc+0x120/0x120
[  414.083852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.098572]  ? print_usage_bug+0xc0/0xc0
[  414.102347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.111180]  ? warn_alloc+0x120/0x120
[  414.115211] 1758 total pagecache pages
[  414.123777]  ? warn_alloc+0x120/0x120
[  414.127566] 0 pages in swap cache
[  414.131436]  ? print_usage_bug+0xc0/0xc0
[  414.135210] Swap cache stats: add 0, delete 0, find 0/0
[  414.138646]  ? kvm_clock_read+0x18/0x30
[  414.142678] Free swap  = 0kB
[  414.148031]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.151974] Total swap = 0kB
[  414.154982]  ? print_usage_bug+0xc0/0xc0
[  414.159973] 1965979 pages RAM
[  414.162984]  ? __lock_acquire+0x62f/0x4c20
[  414.167012] 0 pages HighMem/MovableOnly
[  414.167019] 342853 pages reserved
[  414.170115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.174321] 0 pages cma reserved
[  414.178284]  ? should_fail+0x22d/0xd01
[  414.181834] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.187229]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.187246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.191030] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.194461]  ? __lock_acquire+0x62f/0x4c20
[  414.194482]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.201104] ksoftirqd/0 cpuset=/ mems_allowed=0
[  414.206364]  ? __lock_acquire+0x62f/0x4c20
[  414.206380]  ? should_fail+0x22d/0xd01
[  414.244002]  ? rcu_irq_exit+0x1a2/0x390
[  414.247989]  ? mark_held_locks+0x130/0x130
[  414.252227]  ? mark_held_locks+0x130/0x130
[  414.256464]  ? mark_held_locks+0xc7/0x130
[  414.260611]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  414.265621]  ? zap_class+0x640/0x640
[  414.269332]  ? print_usage_bug+0xc0/0xc0
[  414.273393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.278927]  ? check_preemption_disabled+0x48/0x280
[  414.283946]  ? __lock_is_held+0xb5/0x140
[  414.288008]  __alloc_pages_nodemask+0xad8/0xea0
[  414.292671]  ? zap_class+0x640/0x640
[  414.296386]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  414.301407]  ? find_held_lock+0x36/0x1c0
[  414.305473]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.310136]  ? lock_downgrade+0x900/0x900
[  414.314292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.319829]  cache_grow_begin+0xa5/0x8c0
[  414.323886]  ? do_raw_spin_unlock+0xa7/0x330
[  414.328305]  fallback_alloc+0x204/0x2e0
[  414.332287]  ____cache_alloc_node+0x1c7/0x1e0
[  414.336793]  kmem_cache_alloc_node+0xe3/0x730
[  414.341290]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.345533]  __alloc_skb+0x119/0x770
[  414.349239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.354515]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.358934]  ? lock_downgrade+0x900/0x900
[  414.363082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.368616]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.374069]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.379518]  ? addrconf_rs_timer+0x690/0x690
[  414.383934]  ndisc_alloc_skb+0x144/0x340
[  414.387995]  ndisc_send_rs+0x331/0x6e0
[  414.391883]  addrconf_rs_timer+0x314/0x690
[  414.396119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.400360]  call_timer_fn+0x272/0x920
[  414.404241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.408472]  ? process_timeout+0x40/0x40
[  414.412538]  ? __run_timers+0x7da/0xc70
[  414.416599]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.421087]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.425586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.429819]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.434403]  ? trace_hardirqs_on+0xbd/0x310
[  414.438722]  ? kasan_check_read+0x11/0x20
[  414.442870]  ? __run_timers+0x7da/0xc70
[  414.446844]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.452230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.456466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.460698]  __run_timers+0x7e5/0xc70
[  414.464502]  ? timer_fixup_init+0x70/0x70
[  414.468653]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.473665]  ? zap_class+0x640/0x640
[  414.477381]  ? enqueue_hrtimer+0x1a5/0x560
[  414.481615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  414.486808]  ? find_held_lock+0x36/0x1c0
[  414.490871]  ? zap_class+0x640/0x640
[  414.494580]  ? pvclock_read_flags+0x160/0x160
[  414.499071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.504609]  ? check_preemption_disabled+0x48/0x280
[  414.509628]  ? __lock_is_held+0xb5/0x140
[  414.513686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.519218]  ? check_preemption_disabled+0x48/0x280
[  414.524237]  run_timer_softirq+0x52/0xb0
[  414.528295]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.533307]  __do_softirq+0x308/0xb7e
[  414.537109]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.541599]  ? lock_downgrade+0x900/0x900
[  414.545754]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.550863]  ? pvclock_read_flags+0x160/0x160
[  414.555358]  ? lapic_next_event+0x5a/0x90
[  414.559517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.565058]  ? kvm_clock_read+0x18/0x30
[  414.569027]  ? kvm_sched_clock_read+0x9/0x20
[  414.573432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.578965]  ? check_preemption_disabled+0x48/0x280
[  414.583990]  irq_exit+0x17f/0x1c0
[  414.587440]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.592366]  ? smp_reschedule_interrupt+0x109/0x650
[  414.597394]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.603278]  ? interrupt_entry+0xb5/0xc0
[  414.607338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.612347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.617884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.622725]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.627754]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.632772]  ? task_prio+0x50/0x50
[  414.636315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.641850]  ? check_preemption_disabled+0x48/0x280
[  414.646867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.651717]  apic_timer_interrupt+0xf/0x20
[  414.655946]  </IRQ>
[  414.658186] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  414.663109] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  414.682090] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  414.689969] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  414.697232] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  414.704500] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  414.711765] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  414.719028] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  414.726330]  skb_clone+0x1bb/0x500
[  414.729873]  ? finish_task_switch+0x2f4/0x910
[  414.734368]  ? skb_split+0x11e0/0x11e0
[  414.738255]  ? preempt_notifier_register+0x200/0x200
[  414.743367]  ? __switch_to_asm+0x34/0x70
[  414.747421]  ? __switch_to_asm+0x34/0x70
[  414.751478]  ? __switch_to_asm+0x40/0x70
[  414.755531]  ? __switch_to_asm+0x34/0x70
[  414.759674]  ? __switch_to_asm+0x40/0x70
[  414.763746]  ? __switch_to_asm+0x34/0x70
[  414.767801]  ? __switch_to_asm+0x40/0x70
[  414.771854]  ? __switch_to_asm+0x34/0x70
[  414.775910]  ? __switch_to_asm+0x34/0x70
[  414.779964]  ? __switch_to_asm+0x40/0x70
[  414.784023]  ? __switch_to_asm+0x34/0x70
[  414.788083]  bpf_clone_redirect+0xb9/0x490
[  414.792313]  ? __schedule+0x8d7/0x21d0
[  414.796213]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  414.801247]  ? __sched_text_start+0x8/0x8
[  414.805393]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.810153]  ? find_held_lock+0x36/0x1c0
[  414.814217]  ? lock_acquire+0x1ed/0x520
[  414.818190]  ? bpf_test_run+0x3ee/0x7a0
[  414.822174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.827726]  ? check_preemption_disabled+0x48/0x280
[  414.832752]  ? kasan_check_read+0x11/0x20
[  414.836902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.842172]  ? rcu_softirq_qs+0x20/0x20
[  414.846141]  ? preempt_schedule+0x4d/0x60
[  414.850286]  ? ___preempt_schedule+0x16/0x18
[  414.854727]  ? bpf_test_run+0x271/0x7a0
[  414.858708]  ? netlink_diag_dump+0x2a0/0x2a0
[  414.863122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.868667]  ? bpf_test_init.isra.10+0x70/0x100
[  414.873336]  ? bpf_prog_test_run_skb+0x762/0xd60
[  414.878094]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.882940]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.888472]  ? fput+0x130/0x1a0
[  414.891751]  ? __bpf_prog_get+0x9b/0x290
[  414.895815]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.900650]  ? bpf_prog_test_run+0x130/0x1a0
[  414.905053]  ? __x64_sys_bpf+0x3d8/0x520
[  414.909106]  ? bpf_prog_get+0x20/0x20
[  414.912916]  ? do_syscall_64+0x1b9/0x820
[  414.916970]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.922330]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.927254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.932094]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.937105]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.942118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.947649]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.952665]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.957511]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.962891] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  414.962964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.969733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.969740] Call Trace:
[  414.976297] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.985565]  dump_stack+0x244/0x39d
[  414.988127] syz-executor5 cpuset=syz5 mems_allowed=0
[  414.998603]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.012476]  warn_alloc.cold.116+0xb7/0x1bd
[  415.016805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.021646]  ? lock_downgrade+0x900/0x900
[  415.025887]  ? trace_hardirqs_off+0xb8/0x310
[  415.030317]  ? trace_hardirqs_off+0xb8/0x310
[  415.034743]  __alloc_pages_slowpath+0x2651/0x2de0
[  415.039604]  ? warn_alloc+0x120/0x120
[  415.043404]  ? warn_alloc+0x120/0x120
[  415.047200]  ? __bfs+0xb0/0x780
[  415.050475]  ? warn_alloc+0x120/0x120
[  415.054276]  ? print_usage_bug+0xc0/0xc0
[  415.058330]  ? lockdep_on+0x50/0x50
[  415.061952]  ? print_bfs_bug+0x80/0x80
[  415.065847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.071383]  ? should_fail+0x22d/0xd01
[  415.075366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.080466]  ? __lock_acquire+0x62f/0x4c20
[  415.084731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.089834]  ? __lock_acquire+0x2aff/0x4c20
[  415.094151]  ? should_fail+0x22d/0xd01
[  415.098040]  ? mark_held_locks+0x130/0x130
[  415.102278]  ? mark_held_locks+0x130/0x130
[  415.106513]  ? zap_class+0x640/0x640
[  415.110226]  ? zap_class+0x640/0x640
[  415.113941]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  415.119824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.125361]  ? check_preemption_disabled+0x48/0x280
[  415.130381]  ? __lock_is_held+0xb5/0x140
[  415.134443]  __alloc_pages_nodemask+0xad8/0xea0
[  415.139108]  ? zap_class+0x640/0x640
[  415.142825]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  415.147845]  ? find_held_lock+0x36/0x1c0
[  415.151910]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.156576]  ? lock_downgrade+0x900/0x900
[  415.160733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.166275]  cache_grow_begin+0xa5/0x8c0
[  415.170332]  ? do_raw_spin_unlock+0xa7/0x330
[  415.174743]  fallback_alloc+0x204/0x2e0
[  415.178728]  ____cache_alloc_node+0x1c7/0x1e0
[  415.183221]  kmem_cache_alloc_node+0xe3/0x730
[  415.187725]  ? mark_held_locks+0xc7/0x130
[  415.191879]  __alloc_skb+0x119/0x770
[  415.195591]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.200011]  ? do_raw_spin_trylock+0x270/0x270
[  415.204588]  ? kmem_cache_alloc_trace+0x353/0x750
[  415.209429]  ? queue_work_on+0x12c/0x1e0
[  415.213488]  ? switchdev_port_obj_del+0xdc/0x440
[  415.218238]  ? switchdev_trans_item_enqueue+0x260/0x260
[  415.223599]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.228616]  __br_mdb_notify+0x4ff/0x15d0
[  415.232758]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.237862]  ? __br_mdb_add+0x7f0/0x7f0
[  415.241840]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  415.246946]  ? debug_object_assert_init+0x368/0x4b0
[  415.251960]  ? debug_object_init_on_stack+0x20/0x20
[  415.256973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.262508]  br_mdb_notify+0x310/0x410
[  415.266395]  ? br_mdb_dump+0x27b0/0x27b0
[  415.270465]  br_multicast_del_pg+0x3df/0x790
[  415.274875]  ? br_mdb_ip_get+0x940/0x940
[  415.278931]  ? rwlock_bug.part.2+0x90/0x90
[  415.283170]  ? __lock_is_held+0xb5/0x140
[  415.287239]  br_multicast_port_group_expired+0x189/0x1e0
[  415.292702]  call_timer_fn+0x272/0x920
[  415.296584]  ? br_multicast_del_pg+0x790/0x790
[  415.301163]  ? process_timeout+0x40/0x40
[  415.305224]  ? __run_timers+0x7da/0xc70
[  415.309203]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.313703]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.318197]  ? br_multicast_del_pg+0x790/0x790
[  415.322800]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.327381]  ? trace_hardirqs_on+0xbd/0x310
[  415.331705]  ? kasan_check_read+0x11/0x20
[  415.335847]  ? __run_timers+0x7da/0xc70
[  415.339829]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.344933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.349179]  ? br_multicast_del_pg+0x790/0x790
[  415.353761]  __run_timers+0x7e5/0xc70
[  415.357564]  ? timer_fixup_init+0x70/0x70
[  415.361711]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.366204]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.370707]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.375296]  ? trace_hardirqs_on+0xbd/0x310
[  415.379613]  ? kasan_check_read+0x11/0x20
[  415.383775]  ? finish_task_switch+0x1f4/0x910
[  415.388266]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.393362]  ? compat_start_thread+0x80/0x80
[  415.397784]  ? pvclock_read_flags+0x160/0x160
[  415.402270]  ? __switch_to_asm+0x34/0x70
[  415.406328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.411864]  ? check_preemption_disabled+0x48/0x280
[  415.416883]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  415.422416]  ? rcu_pm_notify+0xc0/0xc0
[  415.426303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.431837]  ? check_preemption_disabled+0x48/0x280
[  415.436851]  run_timer_softirq+0x52/0xb0
[  415.440908]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.445922]  __do_softirq+0x308/0xb7e
[  415.449721]  ? retint_kernel+0x2d/0x2d
[  415.453609]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.458763]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  415.464204]  ? retint_kernel+0x2d/0x2d
[  415.468094]  ? schedule+0x108/0x460
[  415.471724]  ? trace_hardirqs_off+0xb8/0x310
[  415.476130]  ? smpboot_thread_fn+0x68b/0xa00
[  415.480534]  ? trace_hardirqs_on+0x310/0x310
[  415.484942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.490474]  ? check_preemption_disabled+0x48/0x280
[  415.495502]  ? takeover_tasklets+0xa90/0xa90
[  415.499915]  run_ksoftirqd+0x5e/0x100
[  415.503714]  smpboot_thread_fn+0x68b/0xa00
[  415.507954]  ? sort_range+0x30/0x30
[  415.511580]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  415.516692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.522224]  ? __kthread_parkme+0xfb/0x1a0
[  415.526457]  ? sort_range+0x30/0x30
[  415.530077]  kthread+0x35a/0x440
[  415.533448]  ? kthread_stop+0x900/0x900
[  415.537432]  ret_from_fork+0x3a/0x50
[  415.541163] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  415.541187] warn_alloc_show_mem: 1 callbacks suppressed
[  415.541190] Mem-Info:
[  415.548631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.548638] Call Trace:
[  415.554015] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  415.554015]  active_file:17 inactive_file:17 isolated_file:0
[  415.554015]  unevictable:0 dirty:0 writeback:0 unstable:0
[  415.554015]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  415.554015]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  415.554015]  free:13768 free_pcp:279 free_cma:0
[  415.556387]  <IRQ>
[  415.565743] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  415.568312]  dump_stack+0x244/0x39d
[  415.601330] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  415.603472]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.631105] lowmem_reserve[]: 0 2818 6321 6321
[  415.634746]  warn_alloc.cold.116+0xb7/0x1bd
[  415.660819] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  415.666002]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.670557] lowmem_reserve[]: 0 0 3503 3503
[  415.674868]  ? lock_downgrade+0x900/0x900
[  415.702246] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  415.707084]  ? trace_hardirqs_off+0xb8/0x310
[  415.711374] lowmem_reserve[]: 0 0 0 0
[  415.715512]  ? trace_hardirqs_off+0xb8/0x310
[  415.744450] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  415.748851]  __alloc_pages_slowpath+0x2651/0x2de0
[  415.752621] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  415.757049]  ? warn_alloc+0x120/0x120
[  415.770524] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  415.775356]  ? print_usage_bug+0xc0/0xc0
[  415.790501] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.794284]  ? warn_alloc+0x120/0x120
[  415.808995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.813041]  ? warn_alloc+0x120/0x120
[  415.821845] 1758 total pagecache pages
[  415.825640]  ? print_usage_bug+0xc0/0xc0
[  415.834200] 0 pages in swap cache
[  415.837987]  ? kvm_clock_read+0x18/0x30
[  415.841851] Swap cache stats: add 0, delete 0, find 0/0
[  415.845898]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.849321] Free swap  = 0kB
[  415.853284]  ? print_usage_bug+0xc0/0xc0
[  415.858617] Total swap = 0kB
[  415.863632]  ? __lock_acquire+0x62f/0x4c20
[  415.866635] 1965979 pages RAM
[  415.870686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.873677] 0 pages HighMem/MovableOnly
[  415.877899]  ? should_fail+0x22d/0xd01
[  415.880976] 342853 pages reserved
[  415.886496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.890438] 0 pages cma reserved
[  415.894310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.898710] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.903010]  ? __lock_acquire+0x62f/0x4c20
[  415.906349] ksoftirqd/0 cpuset=/ mems_allowed=0
[  415.911440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.935668]  ? __lock_acquire+0x62f/0x4c20
[  415.939897]  ? should_fail+0x22d/0xd01
[  415.943781]  ? rcu_irq_exit+0x1a2/0x390
[  415.947757]  ? mark_held_locks+0x130/0x130
[  415.951991]  ? mark_held_locks+0x130/0x130
[  415.956228]  ? mark_held_locks+0xc7/0x130
[  415.960374]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  415.965386]  ? zap_class+0x640/0x640
[  415.969095]  ? print_usage_bug+0xc0/0xc0
[  415.973160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.978694]  ? check_preemption_disabled+0x48/0x280
[  415.983717]  ? __lock_is_held+0xb5/0x140
[  415.987779]  __alloc_pages_nodemask+0xad8/0xea0
[  415.992444]  ? zap_class+0x640/0x640
[  415.996161]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  416.001184]  ? find_held_lock+0x36/0x1c0
[  416.005247]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.009912]  ? lock_downgrade+0x900/0x900
[  416.014079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.019623]  cache_grow_begin+0xa5/0x8c0
[  416.023682]  ? do_raw_spin_unlock+0xa7/0x330
[  416.028092]  fallback_alloc+0x204/0x2e0
[  416.032066]  ____cache_alloc_node+0x1c7/0x1e0
[  416.036561]  kmem_cache_alloc_node+0xe3/0x730
[  416.041052]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.045289]  __alloc_skb+0x119/0x770
[  416.048999]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.054276]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.058678]  ? lock_downgrade+0x900/0x900
[  416.062842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.068375]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.073821]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.079269]  ? addrconf_rs_timer+0x690/0x690
[  416.083686]  ndisc_alloc_skb+0x144/0x340
[  416.087749]  ndisc_send_rs+0x331/0x6e0
[  416.091636]  addrconf_rs_timer+0x314/0x690
[  416.095868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.100106]  call_timer_fn+0x272/0x920
[  416.103991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.108224]  ? process_timeout+0x40/0x40
[  416.112288]  ? __run_timers+0x7da/0xc70
[  416.116260]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.120749]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.125237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.129468]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.134046]  ? trace_hardirqs_on+0xbd/0x310
[  416.138481]  ? kasan_check_read+0x11/0x20
[  416.142631]  ? __run_timers+0x7da/0xc70
[  416.146775]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.151879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.156120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.160346]  __run_timers+0x7e5/0xc70
[  416.164150]  ? timer_fixup_init+0x70/0x70
[  416.168293]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.173306]  ? zap_class+0x640/0x640
[  416.177021]  ? enqueue_hrtimer+0x1a5/0x560
[  416.181254]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.186449]  ? find_held_lock+0x36/0x1c0
[  416.190511]  ? zap_class+0x640/0x640
[  416.194475]  ? pvclock_read_flags+0x160/0x160
[  416.198978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.204530]  ? check_preemption_disabled+0x48/0x280
[  416.209547]  ? __lock_is_held+0xb5/0x140
[  416.213611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.219148]  ? check_preemption_disabled+0x48/0x280
[  416.224167]  run_timer_softirq+0x52/0xb0
[  416.228226]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.233242]  __do_softirq+0x308/0xb7e
[  416.237044]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.241534]  ? lock_downgrade+0x900/0x900
[  416.245680]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.250786]  ? pvclock_read_flags+0x160/0x160
[  416.255281]  ? lapic_next_event+0x5a/0x90
[  416.259447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.265110]  ? kvm_clock_read+0x18/0x30
[  416.269079]  ? kvm_sched_clock_read+0x9/0x20
[  416.273494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.279029]  ? check_preemption_disabled+0x48/0x280
[  416.284053]  irq_exit+0x17f/0x1c0
[  416.287504]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.292341]  ? smp_reschedule_interrupt+0x109/0x650
[  416.297356]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.303233]  ? interrupt_entry+0xb5/0xc0
[  416.307310]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.312321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.317333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.322170]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.327179]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.332200]  ? task_prio+0x50/0x50
[  416.335736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.341269]  ? check_preemption_disabled+0x48/0x280
[  416.346284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.351130]  apic_timer_interrupt+0xf/0x20
[  416.355352]  </IRQ>
[  416.357598] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  416.362524] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  416.381419] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  416.389120] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  416.396383] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  416.403828] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  416.411089] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  416.418362] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  416.425658]  skb_clone+0x1bb/0x500
[  416.429194]  ? finish_task_switch+0x2f4/0x910
[  416.433689]  ? skb_split+0x11e0/0x11e0
[  416.437578]  ? preempt_notifier_register+0x200/0x200
[  416.442677]  ? __switch_to_asm+0x34/0x70
[  416.446733]  ? __switch_to_asm+0x34/0x70
[  416.451156]  ? __switch_to_asm+0x40/0x70
[  416.455210]  ? __switch_to_asm+0x34/0x70
[  416.459262]  ? __switch_to_asm+0x40/0x70
[  416.463316]  ? __switch_to_asm+0x34/0x70
[  416.467370]  ? __switch_to_asm+0x40/0x70
[  416.471421]  ? __switch_to_asm+0x34/0x70
[  416.475475]  ? __switch_to_asm+0x34/0x70
[  416.479528]  ? __switch_to_asm+0x40/0x70
[  416.483591]  ? __switch_to_asm+0x34/0x70
[  416.487661]  bpf_clone_redirect+0xb9/0x490
[  416.491896]  ? __schedule+0x8d7/0x21d0
[  416.495784]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  416.500797]  ? __sched_text_start+0x8/0x8
[  416.504942]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  416.509705]  ? find_held_lock+0x36/0x1c0
[  416.513770]  ? lock_acquire+0x1ed/0x520
[  416.517741]  ? bpf_test_run+0x3ee/0x7a0
[  416.521716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.527253]  ? check_preemption_disabled+0x48/0x280
[  416.532271]  ? kasan_check_read+0x11/0x20
[  416.536414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.541707]  ? rcu_softirq_qs+0x20/0x20
[  416.545677]  ? preempt_schedule+0x4d/0x60
[  416.549819]  ? ___preempt_schedule+0x16/0x18
[  416.554229]  ? bpf_test_run+0x271/0x7a0
[  416.558220]  ? netlink_diag_dump+0x2a0/0x2a0
[  416.562721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.568253]  ? bpf_test_init.isra.10+0x70/0x100
[  416.572923]  ? bpf_prog_test_run_skb+0x762/0xd60
[  416.577684]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  416.582525]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  416.588057]  ? fput+0x130/0x1a0
[  416.591340]  ? __bpf_prog_get+0x9b/0x290
[  416.595404]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  416.600244]  ? bpf_prog_test_run+0x130/0x1a0
[  416.604651]  ? __x64_sys_bpf+0x3d8/0x520
[  416.608708]  ? bpf_prog_get+0x20/0x20
[  416.612524]  ? do_syscall_64+0x1b9/0x820
[  416.617104]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  416.622472]  ? syscall_return_slowpath+0x5e0/0x5e0
[  416.627401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.632240]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.637252]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  416.642265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.647798]  ? prepare_exit_to_usermode+0x291/0x3b0
[  416.652818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.657662]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  416.663039] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  416.663117] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.669878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.669885] Call Trace:
[  416.676446] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.685795]  dump_stack+0x244/0x39d
[  416.688349] syz-executor5 cpuset=syz5 mems_allowed=0
[  416.698834]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.712718]  warn_alloc.cold.116+0xb7/0x1bd
[  416.717039]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.721883]  ? lock_downgrade+0x900/0x900
[  416.726032]  ? trace_hardirqs_off+0xb8/0x310
[  416.730440]  ? trace_hardirqs_off+0xb8/0x310
[  416.734852]  __alloc_pages_slowpath+0x2651/0x2de0
[  416.739714]  ? warn_alloc+0x120/0x120
[  416.743514]  ? warn_alloc+0x120/0x120
[  416.747327]  ? __bfs+0xb0/0x780
[  416.750607]  ? warn_alloc+0x120/0x120
[  416.754406]  ? print_usage_bug+0xc0/0xc0
[  416.758468]  ? print_usage_bug+0xc0/0xc0
[  416.762528]  ? check_usage+0x1aa/0x790
[  416.766423]  ? check_usage+0x1aa/0x790
[  416.770311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.775849]  ? should_fail+0x22d/0xd01
[  416.779734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.784832]  ? __lock_acquire+0x62f/0x4c20
[  416.789081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.794179]  ? __lock_acquire+0x62f/0x4c20
[  416.798408]  ? should_fail+0x22d/0xd01
[  416.802303]  ? mark_held_locks+0x130/0x130
[  416.806543]  ? mark_held_locks+0x130/0x130
[  416.810789]  ? zap_class+0x640/0x640
[  416.814502]  ? ret_from_fork+0x3a/0x50
[  416.818385]  ? __lock_acquire+0x2aff/0x4c20
[  416.822705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.828237]  ? check_preemption_disabled+0x48/0x280
[  416.833260]  ? __lock_is_held+0xb5/0x140
[  416.837325]  __alloc_pages_nodemask+0xad8/0xea0
[  416.841993]  ? zap_class+0x640/0x640
[  416.845709]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  416.850732]  ? find_held_lock+0x36/0x1c0
[  416.854796]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.859460]  ? lock_downgrade+0x900/0x900
[  416.863609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.869250]  cache_grow_begin+0xa5/0x8c0
[  416.873305]  ? do_raw_spin_unlock+0xa7/0x330
[  416.877717]  fallback_alloc+0x204/0x2e0
[  416.881695]  ____cache_alloc_node+0x1c7/0x1e0
[  416.886194]  kmem_cache_alloc_node+0xe3/0x730
[  416.890688]  ? mark_held_locks+0xc7/0x130
[  416.894839]  __alloc_skb+0x119/0x770
[  416.898566]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.902972]  ? do_raw_spin_trylock+0x270/0x270
[  416.907562]  ? kmem_cache_alloc_trace+0x353/0x750
[  416.912411]  ? queue_work_on+0x12c/0x1e0
[  416.916475]  ? switchdev_port_obj_del+0xdc/0x440
[  416.921236]  ? switchdev_trans_item_enqueue+0x260/0x260
[  416.926601]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.931617]  __br_mdb_notify+0x4ff/0x15d0
[  416.935764]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.940867]  ? __br_mdb_add+0x7f0/0x7f0
[  416.944839]  ? mark_held_locks+0x130/0x130
[  416.949076]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.954177]  ? debug_object_assert_init+0x368/0x4b0
[  416.959190]  ? debug_object_init_on_stack+0x20/0x20
[  416.964208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.969746]  br_mdb_notify+0x310/0x410
[  416.973644]  ? br_mdb_dump+0x27b0/0x27b0
[  416.977719]  br_multicast_del_pg+0x3df/0x790
[  416.982245]  ? br_mdb_ip_get+0x940/0x940
[  416.986303]  ? rwlock_bug.part.2+0x90/0x90
[  416.990545]  ? __lock_is_held+0xb5/0x140
[  416.994615]  br_multicast_port_group_expired+0x189/0x1e0
[  417.000065]  call_timer_fn+0x272/0x920
[  417.003950]  ? br_multicast_del_pg+0x790/0x790
[  417.008544]  ? process_timeout+0x40/0x40
[  417.012615]  ? __run_timers+0x7da/0xc70
[  417.016588]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.021077]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.025571]  ? br_multicast_del_pg+0x790/0x790
[  417.030150]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.034738]  ? trace_hardirqs_on+0xbd/0x310
[  417.039058]  ? kasan_check_read+0x11/0x20
[  417.043199]  ? __run_timers+0x7da/0xc70
[  417.047167]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.052269]  ? br_multicast_del_pg+0x790/0x790
[  417.056851]  ? br_multicast_del_pg+0x790/0x790
[  417.061425]  __run_timers+0x7e5/0xc70
[  417.065229]  ? timer_fixup_init+0x70/0x70
[  417.069371]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.073859]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.078367]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.082949]  ? trace_hardirqs_on+0xbd/0x310
[  417.087266]  ? kasan_check_read+0x11/0x20
[  417.091412]  ? finish_task_switch+0x1f4/0x910
[  417.095903]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.101000]  ? compat_start_thread+0x80/0x80
[  417.105553]  ? pvclock_read_flags+0x160/0x160
[  417.110040]  ? __switch_to_asm+0x34/0x70
[  417.114096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.119630]  ? check_preemption_disabled+0x48/0x280
[  417.124651]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  417.130183]  ? rcu_pm_notify+0xc0/0xc0
[  417.134075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.139613]  ? check_preemption_disabled+0x48/0x280
[  417.144632]  run_timer_softirq+0x52/0xb0
[  417.148689]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.153703]  __do_softirq+0x308/0xb7e
[  417.157502]  ? retint_kernel+0x2d/0x2d
[  417.161404]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.166602]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.172046]  ? retint_kernel+0x2d/0x2d
[  417.175932]  ? schedule+0x108/0x460
[  417.179562]  ? trace_hardirqs_off+0xb8/0x310
[  417.183971]  ? smpboot_thread_fn+0x68b/0xa00
[  417.188373]  ? trace_hardirqs_on+0x310/0x310
[  417.192778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.198311]  ? check_preemption_disabled+0x48/0x280
[  417.203326]  ? takeover_tasklets+0xa90/0xa90
[  417.207729]  run_ksoftirqd+0x5e/0x100
[  417.211545]  smpboot_thread_fn+0x68b/0xa00
[  417.215779]  ? sort_range+0x30/0x30
[  417.219403]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.224507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.230041]  ? __kthread_parkme+0xfb/0x1a0
[  417.234273]  ? sort_range+0x30/0x30
[  417.237893]  kthread+0x35a/0x440
[  417.241259]  ? kthread_stop+0x900/0x900
[  417.245228]  ret_from_fork+0x3a/0x50
[  417.248952] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  417.248957] warn_alloc_show_mem: 1 callbacks suppressed
[  417.248962] Mem-Info:
[  417.256318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.261682] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  417.261682]  active_file:17 inactive_file:17 isolated_file:0
[  417.261682]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.261682]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  417.261682]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  417.261682]  free:13768 free_pcp:279 free_cma:0
[  417.264053] Call Trace:
[  417.273428] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.306434]  <IRQ>
[  417.308997] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  417.336664]  dump_stack+0x244/0x39d
[  417.338777] lowmem_reserve[]: 0 2818 6321 6321
[  417.364881]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.368476] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  417.373063]  warn_alloc.cold.116+0xb7/0x1bd
[  417.378215] lowmem_reserve[]: 0 0 3503 3503
[  417.405615]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.409916] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  417.414229]  ? lock_downgrade+0x900/0x900
[  417.419043] lowmem_reserve[]: 0 0 0 0
[  417.448032]  ? trace_hardirqs_off+0xb8/0x310
[  417.452619] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  417.456414]  ? trace_hardirqs_off+0xb8/0x310
[  417.460790] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  417.474310]  __alloc_pages_slowpath+0x2651/0x2de0
[  417.478688] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  417.493872]  ? warn_alloc+0x120/0x120
[  417.498675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.513398]  ? print_usage_bug+0xc0/0xc0
[  417.517171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.517179] 1758 total pagecache pages
[  417.526004]  ? warn_alloc+0x120/0x120
[  417.530044] 0 pages in swap cache
[  417.538600]  ? warn_alloc+0x120/0x120
[  417.542462] Swap cache stats: add 0, delete 0, find 0/0
[  417.546255]  ? print_usage_bug+0xc0/0xc0
[  417.549681] Free swap  = 0kB
[  417.553467]  ? kvm_clock_read+0x18/0x30
[  417.558806] Total swap = 0kB
[  417.562854]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.565842] 1965979 pages RAM
[  417.569804]  ? print_usage_bug+0xc0/0xc0
[  417.572791] 0 pages HighMem/MovableOnly
[  417.572798] 342853 pages reserved
[  417.577802]  ? __lock_acquire+0x62f/0x4c20
[  417.580879] 0 pages cma reserved
[  417.584932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.589022] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.592313]  ? should_fail+0x22d/0xd01
[  417.596516] ksoftirqd/0 cpuset=/ mems_allowed=0
[  417.599865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.599883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.634564]  ? __lock_acquire+0x62f/0x4c20
[  417.638796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.643893]  ? __lock_acquire+0x62f/0x4c20
[  417.648120]  ? should_fail+0x22d/0xd01
[  417.652002]  ? rcu_irq_exit+0x1a2/0x390
[  417.655977]  ? mark_held_locks+0x130/0x130
[  417.660216]  ? mark_held_locks+0x130/0x130
[  417.664449]  ? mark_held_locks+0xc7/0x130
[  417.668599]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  417.673611]  ? zap_class+0x640/0x640
[  417.677321]  ? print_usage_bug+0xc0/0xc0
[  417.681380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.686919]  ? check_preemption_disabled+0x48/0x280
[  417.691938]  ? __lock_is_held+0xb5/0x140
[  417.696003]  __alloc_pages_nodemask+0xad8/0xea0
[  417.700670]  ? zap_class+0x640/0x640
[  417.704386]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  417.709407]  ? find_held_lock+0x36/0x1c0
[  417.713481]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.718149]  ? lock_downgrade+0x900/0x900
[  417.722298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.727833]  cache_grow_begin+0xa5/0x8c0
[  417.731888]  ? do_raw_spin_unlock+0xa7/0x330
[  417.736301]  fallback_alloc+0x204/0x2e0
[  417.740277]  ____cache_alloc_node+0x1c7/0x1e0
[  417.744772]  kmem_cache_alloc_node+0xe3/0x730
[  417.749263]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.753502]  __alloc_skb+0x119/0x770
[  417.757212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.762489]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.766911]  ? lock_downgrade+0x900/0x900
[  417.771058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.776597]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.782052]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.787495]  ? addrconf_rs_timer+0x690/0x690
[  417.791910]  ndisc_alloc_skb+0x144/0x340
[  417.795978]  ndisc_send_rs+0x331/0x6e0
[  417.799863]  addrconf_rs_timer+0x314/0x690
[  417.804099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.808338]  call_timer_fn+0x272/0x920
[  417.812219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.816454]  ? process_timeout+0x40/0x40
[  417.820521]  ? __run_timers+0x7da/0xc70
[  417.824492]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.828988]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.833479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.837710]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.842291]  ? trace_hardirqs_on+0xbd/0x310
[  417.846608]  ? kasan_check_read+0x11/0x20
[  417.850753]  ? __run_timers+0x7da/0xc70
[  417.854730]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.859835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.864076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.868311]  __run_timers+0x7e5/0xc70
[  417.872114]  ? timer_fixup_init+0x70/0x70
[  417.876272]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.881284]  ? zap_class+0x640/0x640
[  417.884996]  ? enqueue_hrtimer+0x1a5/0x560
[  417.889228]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.894423]  ? find_held_lock+0x36/0x1c0
[  417.898489]  ? zap_class+0x640/0x640
[  417.902204]  ? pvclock_read_flags+0x160/0x160
[  417.906698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.912235]  ? check_preemption_disabled+0x48/0x280
[  417.917255]  ? __lock_is_held+0xb5/0x140
[  417.921313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.926844]  ? check_preemption_disabled+0x48/0x280
[  417.931862]  run_timer_softirq+0x52/0xb0
[  417.935926]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.940942]  __do_softirq+0x308/0xb7e
[  417.944741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.949232]  ? lock_downgrade+0x900/0x900
[  417.953379]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.958488]  ? pvclock_read_flags+0x160/0x160
[  417.962982]  ? lapic_next_event+0x5a/0x90
[  417.967127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.972662]  ? kvm_clock_read+0x18/0x30
[  417.976634]  ? kvm_sched_clock_read+0x9/0x20
[  417.981039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.986570]  ? check_preemption_disabled+0x48/0x280
[  417.991594]  irq_exit+0x17f/0x1c0
[  417.995045]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.999880]  ? smp_reschedule_interrupt+0x109/0x650
[  418.004893]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.010772]  ? interrupt_entry+0xb5/0xc0
[  418.014827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.019840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.024852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.029693]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.034704]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.039714]  ? task_prio+0x50/0x50
[  418.043250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.048783]  ? check_preemption_disabled+0x48/0x280
[  418.053801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.058644]  apic_timer_interrupt+0xf/0x20
[  418.062865]  </IRQ>
[  418.065100] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.070030] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  418.088936] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.096645] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.103914] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  418.111178] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  418.118442] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.125705] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  418.133004]  skb_clone+0x1bb/0x500
[  418.136542]  ? finish_task_switch+0x2f4/0x910
[  418.141033]  ? skb_split+0x11e0/0x11e0
[  418.144916]  ? preempt_notifier_register+0x200/0x200
[  418.150017]  ? __switch_to_asm+0x34/0x70
[  418.154070]  ? __switch_to_asm+0x34/0x70
[  418.158125]  ? __switch_to_asm+0x40/0x70
[  418.162178]  ? __switch_to_asm+0x34/0x70
[  418.166229]  ? __switch_to_asm+0x40/0x70
[  418.170285]  ? __switch_to_asm+0x34/0x70
[  418.174359]  ? __switch_to_asm+0x40/0x70
[  418.178419]  ? __switch_to_asm+0x34/0x70
[  418.182472]  ? __switch_to_asm+0x34/0x70
[  418.186632]  ? __switch_to_asm+0x40/0x70
[  418.190688]  ? __switch_to_asm+0x34/0x70
[  418.194746]  bpf_clone_redirect+0xb9/0x490
[  418.198974]  ? __schedule+0x8d7/0x21d0
[  418.202862]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  418.207877]  ? __sched_text_start+0x8/0x8
[  418.212023]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  418.216785]  ? find_held_lock+0x36/0x1c0
[  418.220847]  ? lock_acquire+0x1ed/0x520
[  418.224821]  ? bpf_test_run+0x3ee/0x7a0
[  418.228795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.234326]  ? check_preemption_disabled+0x48/0x280
[  418.239341]  ? kasan_check_read+0x11/0x20
[  418.243483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.248755]  ? rcu_softirq_qs+0x20/0x20
[  418.252725]  ? preempt_schedule+0x4d/0x60
[  418.256871]  ? ___preempt_schedule+0x16/0x18
[  418.261279]  ? bpf_test_run+0x271/0x7a0
[  418.265260]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.269665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.275199]  ? bpf_test_init.isra.10+0x70/0x100
[  418.279868]  ? bpf_prog_test_run_skb+0x762/0xd60
[  418.284628]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.289472]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.295005]  ? fput+0x130/0x1a0
[  418.298284]  ? __bpf_prog_get+0x9b/0x290
[  418.302343]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.307180]  ? bpf_prog_test_run+0x130/0x1a0
[  418.311585]  ? __x64_sys_bpf+0x3d8/0x520
[  418.315642]  ? bpf_prog_get+0x20/0x20
[  418.319455]  ? do_syscall_64+0x1b9/0x820
[  418.323509]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.328870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.333807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.338646]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.343661]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.348675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.354210]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.359226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.364169]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.369545] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  418.369623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.376384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.376389] Call Trace:
[  418.376420]  dump_stack+0x244/0x39d
[  418.376439]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.382984] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.392255]  warn_alloc.cold.116+0xb7/0x1bd
[  418.394805] syz-executor5 cpuset=syz5 mems_allowed=0
[  418.398429]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.428317]  ? lock_downgrade+0x900/0x900
[  418.432470]  ? trace_hardirqs_off+0xb8/0x310
[  418.436876]  ? trace_hardirqs_off+0xb8/0x310
[  418.441286]  __alloc_pages_slowpath+0x2651/0x2de0
[  418.446145]  ? warn_alloc+0x120/0x120
[  418.450573]  ? warn_alloc+0x120/0x120
[  418.454375]  ? __bfs+0xb0/0x780
[  418.457661]  ? warn_alloc+0x120/0x120
[  418.461459]  ? print_usage_bug+0xc0/0xc0
[  418.465521]  ? print_usage_bug+0xc0/0xc0
[  418.469582]  ? check_usage+0x1aa/0x790
[  418.473467]  ? check_usage+0x1aa/0x790
[  418.477354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.482887]  ? should_fail+0x22d/0xd01
[  418.486776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.491879]  ? __lock_acquire+0x62f/0x4c20
[  418.496118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.501216]  ? __lock_acquire+0x62f/0x4c20
[  418.505445]  ? should_fail+0x22d/0xd01
[  418.509338]  ? mark_held_locks+0x130/0x130
[  418.513590]  ? mark_held_locks+0x130/0x130
[  418.517829]  ? zap_class+0x640/0x640
[  418.521538]  ? ret_from_fork+0x3a/0x50
[  418.525424]  ? __lock_acquire+0x62f/0x4c20
[  418.529658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.535190]  ? check_preemption_disabled+0x48/0x280
[  418.540216]  ? __lock_is_held+0xb5/0x140
[  418.544280]  __alloc_pages_nodemask+0xad8/0xea0
[  418.548943]  ? zap_class+0x640/0x640
[  418.552658]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  418.557681]  ? find_held_lock+0x36/0x1c0
[  418.561746]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.566424]  ? lock_downgrade+0x900/0x900
[  418.570578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.576116]  cache_grow_begin+0xa5/0x8c0
[  418.580180]  ? do_raw_spin_unlock+0xa7/0x330
[  418.584609]  fallback_alloc+0x204/0x2e0
[  418.588588]  ____cache_alloc_node+0x1c7/0x1e0
[  418.593083]  kmem_cache_alloc_node+0xe3/0x730
[  418.597572]  ? mark_held_locks+0xc7/0x130
[  418.601729]  __alloc_skb+0x119/0x770
[  418.605442]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.609842]  ? do_raw_spin_trylock+0x270/0x270
[  418.614524]  ? kmem_cache_alloc_trace+0x353/0x750
[  418.619512]  ? queue_work_on+0x12c/0x1e0
[  418.623575]  ? switchdev_port_obj_del+0xdc/0x440
[  418.628325]  ? switchdev_trans_item_enqueue+0x260/0x260
[  418.633690]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.638704]  __br_mdb_notify+0x4ff/0x15d0
[  418.642851]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.647952]  ? __br_mdb_add+0x7f0/0x7f0
[  418.651935]  ? mark_held_locks+0x130/0x130
[  418.656170]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.661276]  ? debug_object_assert_init+0x368/0x4b0
[  418.666289]  ? debug_object_init_on_stack+0x20/0x20
[  418.671300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.676838]  br_mdb_notify+0x310/0x410
[  418.680720]  ? br_mdb_dump+0x27b0/0x27b0
[  418.684794]  br_multicast_del_pg+0x3df/0x790
[  418.689204]  ? br_mdb_ip_get+0x940/0x940
[  418.693264]  ? rwlock_bug.part.2+0x90/0x90
[  418.697500]  ? __lock_is_held+0xb5/0x140
[  418.701567]  br_multicast_port_group_expired+0x189/0x1e0
[  418.707016]  call_timer_fn+0x272/0x920
[  418.710901]  ? br_multicast_del_pg+0x790/0x790
[  418.715478]  ? process_timeout+0x40/0x40
[  418.719542]  ? __run_timers+0x7da/0xc70
[  418.723515]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.728005]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.732494]  ? br_multicast_del_pg+0x790/0x790
[  418.737071]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.741649]  ? trace_hardirqs_on+0xbd/0x310
[  418.745969]  ? kasan_check_read+0x11/0x20
[  418.750114]  ? __run_timers+0x7da/0xc70
[  418.754084]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.759188]  ? br_multicast_del_pg+0x790/0x790
[  418.763770]  ? br_multicast_del_pg+0x790/0x790
[  418.768346]  __run_timers+0x7e5/0xc70
[  418.772164]  ? timer_fixup_init+0x70/0x70
[  418.776308]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.780798]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.785289]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.789866]  ? trace_hardirqs_on+0xbd/0x310
[  418.794186]  ? kasan_check_read+0x11/0x20
[  418.798330]  ? finish_task_switch+0x1f4/0x910
[  418.802828]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.807926]  ? compat_start_thread+0x80/0x80
[  418.812351]  ? pvclock_read_flags+0x160/0x160
[  418.816854]  ? __switch_to_asm+0x34/0x70
[  418.820912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.826448]  ? check_preemption_disabled+0x48/0x280
[  418.831485]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  418.837018]  ? rcu_pm_notify+0xc0/0xc0
[  418.840906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.846441]  ? check_preemption_disabled+0x48/0x280
[  418.851458]  run_timer_softirq+0x52/0xb0
[  418.855513]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.860525]  __do_softirq+0x308/0xb7e
[  418.864337]  ? retint_kernel+0x2d/0x2d
[  418.868234]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.873333]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.878793]  ? retint_kernel+0x2d/0x2d
[  418.882782]  ? schedule+0x108/0x460
[  418.886418]  ? trace_hardirqs_off+0xb8/0x310
[  418.890821]  ? smpboot_thread_fn+0x68b/0xa00
[  418.895226]  ? trace_hardirqs_on+0x310/0x310
[  418.899634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.905167]  ? check_preemption_disabled+0x48/0x280
[  418.910181]  ? takeover_tasklets+0xa90/0xa90
[  418.914584]  run_ksoftirqd+0x5e/0x100
[  418.918389]  smpboot_thread_fn+0x68b/0xa00
[  418.922623]  ? sort_range+0x30/0x30
[  418.926246]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.931384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.936923]  ? __kthread_parkme+0xfb/0x1a0
[  418.941155]  ? sort_range+0x30/0x30
[  418.944782]  kthread+0x35a/0x440
[  418.948147]  ? kthread_stop+0x900/0x900
[  418.952118]  ret_from_fork+0x3a/0x50
[  418.955848] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  418.955853] warn_alloc_show_mem: 1 callbacks suppressed
[  418.955859] Mem-Info:
[  418.963218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.963225] Call Trace:
[  418.968591] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  418.968591]  active_file:17 inactive_file:17 isolated_file:0
[  418.968591]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.968591]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  418.968591]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  418.968591]  free:13768 free_pcp:279 free_cma:0
[  418.970958]  <IRQ>
[  418.980315] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.982887]  dump_stack+0x244/0x39d
[  419.015906] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  419.018052]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.045686] lowmem_reserve[]: 0 2818 6321 6321
[  419.049323]  warn_alloc.cold.116+0xb7/0x1bd
[  419.075395] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  419.080576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.085127] lowmem_reserve[]: 0 0 3503 3503
[  419.089453]  ? lock_downgrade+0x900/0x900
[  419.116829] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  419.121685]  ? trace_hardirqs_off+0xb8/0x310
[  419.125966] lowmem_reserve[]: 0 0 0 0
[  419.130110]  ? trace_hardirqs_off+0xb8/0x310
[  419.159051] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  419.163454]  __alloc_pages_slowpath+0x2651/0x2de0
[  419.167221] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  419.171641]  ? warn_alloc+0x120/0x120
[  419.185115] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  419.189948]  ? print_usage_bug+0xc0/0xc0
[  419.205095] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.208875]  ? warn_alloc+0x120/0x120
[  419.223602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.227646]  ? warn_alloc+0x120/0x120
[  419.236453] 1758 total pagecache pages
[  419.240243]  ? print_usage_bug+0xc0/0xc0
[  419.248805] 0 pages in swap cache
[  419.252582]  ? kvm_clock_read+0x18/0x30
[  419.256451] Swap cache stats: add 0, delete 0, find 0/0
[  419.260496]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.263920] Free swap  = 0kB
[  419.267882]  ? print_usage_bug+0xc0/0xc0
[  419.273218] Total swap = 0kB
[  419.278224]  ? __lock_acquire+0x62f/0x4c20
[  419.281215] 1965979 pages RAM
[  419.285267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.288252] 0 pages HighMem/MovableOnly
[  419.288260] 342853 pages reserved
[  419.292484]  ? should_fail+0x22d/0xd01
[  419.295560] 0 pages cma reserved
[  419.301085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.305184] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.308502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.312363] ksoftirqd/0 cpuset=/ mems_allowed=0
[  419.315725]  ? __lock_acquire+0x62f/0x4c20
[  419.345220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.350324]  ? __lock_acquire+0x62f/0x4c20
[  419.354551]  ? should_fail+0x22d/0xd01
[  419.358429]  ? rcu_irq_exit+0x1a2/0x390
[  419.362406]  ? mark_held_locks+0x130/0x130
[  419.366645]  ? mark_held_locks+0x130/0x130
[  419.370882]  ? mark_held_locks+0xc7/0x130
[  419.375025]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  419.380042]  ? zap_class+0x640/0x640
[  419.383767]  ? print_usage_bug+0xc0/0xc0
[  419.387831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.393365]  ? check_preemption_disabled+0x48/0x280
[  419.398389]  ? __lock_is_held+0xb5/0x140
[  419.402451]  __alloc_pages_nodemask+0xad8/0xea0
[  419.407114]  ? zap_class+0x640/0x640
[  419.410834]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  419.415858]  ? find_held_lock+0x36/0x1c0
[  419.419924]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.424592]  ? lock_downgrade+0x900/0x900
[  419.428743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.434279]  cache_grow_begin+0xa5/0x8c0
[  419.438433]  ? do_raw_spin_unlock+0xa7/0x330
[  419.442849]  fallback_alloc+0x204/0x2e0
[  419.446827]  ____cache_alloc_node+0x1c7/0x1e0
[  419.451333]  kmem_cache_alloc_node+0xe3/0x730
[  419.455828]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.460078]  __alloc_skb+0x119/0x770
[  419.463784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.469062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.473467]  ? lock_downgrade+0x900/0x900
[  419.477714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.483247]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.488701]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.494148]  ? addrconf_rs_timer+0x690/0x690
[  419.498565]  ndisc_alloc_skb+0x144/0x340
[  419.502623]  ndisc_send_rs+0x331/0x6e0
[  419.506511]  addrconf_rs_timer+0x314/0x690
[  419.510747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.514987]  call_timer_fn+0x272/0x920
[  419.518873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.523102]  ? process_timeout+0x40/0x40
[  419.527164]  ? __run_timers+0x7da/0xc70
[  419.531139]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.535626]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.540113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.544348]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.548928]  ? trace_hardirqs_on+0xbd/0x310
[  419.553246]  ? kasan_check_read+0x11/0x20
[  419.557385]  ? __run_timers+0x7da/0xc70
[  419.561355]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.566456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.570690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.574921]  __run_timers+0x7e5/0xc70
[  419.578726]  ? timer_fixup_init+0x70/0x70
[  419.582885]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.587896]  ? zap_class+0x640/0x640
[  419.591610]  ? enqueue_hrtimer+0x1a5/0x560
[  419.595843]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.601038]  ? find_held_lock+0x36/0x1c0
[  419.605103]  ? zap_class+0x640/0x640
[  419.608826]  ? pvclock_read_flags+0x160/0x160
[  419.613321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.618858]  ? check_preemption_disabled+0x48/0x280
[  419.623877]  ? __lock_is_held+0xb5/0x140
[  419.627933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.633469]  ? check_preemption_disabled+0x48/0x280
[  419.638484]  run_timer_softirq+0x52/0xb0
[  419.642540]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.647553]  __do_softirq+0x308/0xb7e
[  419.651359]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.655846]  ? lock_downgrade+0x900/0x900
[  419.659989]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.665092]  ? pvclock_read_flags+0x160/0x160
[  419.669586]  ? lapic_next_event+0x5a/0x90
[  419.673730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.679268]  ? kvm_clock_read+0x18/0x30
[  419.683241]  ? kvm_sched_clock_read+0x9/0x20
[  419.687649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.693183]  ? check_preemption_disabled+0x48/0x280
[  419.698203]  irq_exit+0x17f/0x1c0
[  419.701652]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.706488]  ? smp_reschedule_interrupt+0x109/0x650
[  419.711513]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.717405]  ? interrupt_entry+0xb5/0xc0
[  419.721463]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.726472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.731485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.736325]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.741338]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.746356]  ? task_prio+0x50/0x50
[  419.749894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.755432]  ? check_preemption_disabled+0x48/0x280
[  419.760449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.765298]  apic_timer_interrupt+0xf/0x20
[  419.769522]  </IRQ>
[  419.771760] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  419.776695] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  419.795592] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  419.803295] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  419.810560] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  419.817825] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  419.825087] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  419.832349] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  419.839647]  skb_clone+0x1bb/0x500
[  419.843187]  ? finish_task_switch+0x2f4/0x910
[  419.847678]  ? skb_split+0x11e0/0x11e0
[  419.851648]  ? preempt_notifier_register+0x200/0x200
[  419.856742]  ? __switch_to_asm+0x34/0x70
[  419.860804]  ? __switch_to_asm+0x34/0x70
[  419.864858]  ? __switch_to_asm+0x40/0x70
[  419.868910]  ? __switch_to_asm+0x34/0x70
[  419.872966]  ? __switch_to_asm+0x40/0x70
[  419.877019]  ? __switch_to_asm+0x34/0x70
[  419.881071]  ? __switch_to_asm+0x40/0x70
[  419.885124]  ? __switch_to_asm+0x34/0x70
[  419.889177]  ? __switch_to_asm+0x34/0x70
[  419.893231]  ? __switch_to_asm+0x40/0x70
[  419.897293]  ? __switch_to_asm+0x34/0x70
[  419.901353]  bpf_clone_redirect+0xb9/0x490
[  419.905583]  ? __schedule+0x8d7/0x21d0
[  419.909473]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  419.914489]  ? __sched_text_start+0x8/0x8
[  419.918634]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  419.923394]  ? find_held_lock+0x36/0x1c0
[  419.927463]  ? lock_acquire+0x1ed/0x520
[  419.931432]  ? bpf_test_run+0x3ee/0x7a0
[  419.935407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.940940]  ? check_preemption_disabled+0x48/0x280
[  419.945960]  ? kasan_check_read+0x11/0x20
[  419.950105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.955391]  ? rcu_softirq_qs+0x20/0x20
[  419.959361]  ? preempt_schedule+0x4d/0x60
[  419.963505]  ? ___preempt_schedule+0x16/0x18
[  419.967917]  ? bpf_test_run+0x271/0x7a0
[  419.971896]  ? netlink_diag_dump+0x2a0/0x2a0
[  419.976304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.981837]  ? bpf_test_init.isra.10+0x70/0x100
[  419.986505]  ? bpf_prog_test_run_skb+0x762/0xd60
[  419.991271]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.996116]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.001654]  ? fput+0x130/0x1a0
[  420.004929]  ? __bpf_prog_get+0x9b/0x290
[  420.008992]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.013824]  ? bpf_prog_test_run+0x130/0x1a0
[  420.018229]  ? __x64_sys_bpf+0x3d8/0x520
[  420.022290]  ? bpf_prog_get+0x20/0x20
[  420.026101]  ? do_syscall_64+0x1b9/0x820
[  420.030152]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.035513]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.040435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.045339]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.050351]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.055362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.060891]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.065903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.070746]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.076125] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  420.076200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.082959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.082964] Call Trace:
[  420.082982]  dump_stack+0x244/0x39d
[  420.083002]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.089518] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.098814]  warn_alloc.cold.116+0xb7/0x1bd
[  420.101363] syz-executor5 cpuset=syz5 mems_allowed=0
[  420.104977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.134823]  ? lock_downgrade+0x900/0x900
[  420.138981]  ? trace_hardirqs_off+0xb8/0x310
[  420.143390]  ? trace_hardirqs_off+0xb8/0x310
[  420.147811]  __alloc_pages_slowpath+0x2651/0x2de0
[  420.152687]  ? warn_alloc+0x120/0x120
[  420.156491]  ? warn_alloc+0x120/0x120
[  420.160294]  ? __bfs+0xb0/0x780
[  420.163570]  ? warn_alloc+0x120/0x120
[  420.167370]  ? print_usage_bug+0xc0/0xc0
[  420.171441]  ? print_usage_bug+0xc0/0xc0
[  420.175498]  ? check_usage+0x1aa/0x790
[  420.179379]  ? check_usage+0x1aa/0x790
[  420.183278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.188812]  ? should_fail+0x22d/0xd01
[  420.192701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.197808]  ? __lock_acquire+0x62f/0x4c20
[  420.202048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.207148]  ? __lock_acquire+0x62f/0x4c20
[  420.211375]  ? should_fail+0x22d/0xd01
[  420.215279]  ? mark_held_locks+0x130/0x130
[  420.219520]  ? mark_held_locks+0x130/0x130
[  420.223758]  ? zap_class+0x640/0x640
[  420.227471]  ? ret_from_fork+0x3a/0x50
[  420.231360]  ? __lock_acquire+0x62f/0x4c20
[  420.235597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.241136]  ? check_preemption_disabled+0x48/0x280
[  420.246154]  ? __lock_is_held+0xb5/0x140
[  420.250219]  __alloc_pages_nodemask+0xad8/0xea0
[  420.254898]  ? zap_class+0x640/0x640
[  420.258610]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  420.263635]  ? find_held_lock+0x36/0x1c0
[  420.267699]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.272367]  ? lock_downgrade+0x900/0x900
[  420.276517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.282054]  cache_grow_begin+0xa5/0x8c0
[  420.286120]  ? do_raw_spin_unlock+0xa7/0x330
[  420.290547]  fallback_alloc+0x204/0x2e0
[  420.294523]  ____cache_alloc_node+0x1c7/0x1e0
[  420.299018]  kmem_cache_alloc_node+0xe3/0x730
[  420.303520]  ? mark_held_locks+0xc7/0x130
[  420.307672]  __alloc_skb+0x119/0x770
[  420.311388]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.315792]  ? do_raw_spin_trylock+0x270/0x270
[  420.320367]  ? kmem_cache_alloc_trace+0x353/0x750
[  420.325212]  ? queue_work_on+0x12c/0x1e0
[  420.329287]  ? switchdev_port_obj_del+0xdc/0x440
[  420.334037]  ? switchdev_trans_item_enqueue+0x260/0x260
[  420.339401]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  420.344420]  __br_mdb_notify+0x4ff/0x15d0
[  420.348562]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.353680]  ? __br_mdb_add+0x7f0/0x7f0
[  420.357650]  ? mark_held_locks+0x130/0x130
[  420.361888]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.366987]  ? debug_object_assert_init+0x368/0x4b0
[  420.372015]  ? debug_object_init_on_stack+0x20/0x20
[  420.377027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.382561]  br_mdb_notify+0x310/0x410
[  420.386443]  ? br_mdb_dump+0x27b0/0x27b0
[  420.390512]  br_multicast_del_pg+0x3df/0x790
[  420.394922]  ? br_mdb_ip_get+0x940/0x940
[  420.398978]  ? rwlock_bug.part.2+0x90/0x90
[  420.403211]  ? __lock_is_held+0xb5/0x140
[  420.407286]  br_multicast_port_group_expired+0x189/0x1e0
[  420.412822]  call_timer_fn+0x272/0x920
[  420.416722]  ? br_multicast_del_pg+0x790/0x790
[  420.421312]  ? process_timeout+0x40/0x40
[  420.425376]  ? __run_timers+0x7da/0xc70
[  420.429346]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.433837]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.438331]  ? br_multicast_del_pg+0x790/0x790
[  420.442908]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.447491]  ? trace_hardirqs_on+0xbd/0x310
[  420.452286]  ? kasan_check_read+0x11/0x20
[  420.456437]  ? __run_timers+0x7da/0xc70
[  420.460413]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.465516]  ? br_multicast_del_pg+0x790/0x790
[  420.470096]  ? br_multicast_del_pg+0x790/0x790
[  420.474675]  __run_timers+0x7e5/0xc70
[  420.478511]  ? timer_fixup_init+0x70/0x70
[  420.482659]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.487151]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.491651]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.496245]  ? trace_hardirqs_on+0xbd/0x310
[  420.500562]  ? kasan_check_read+0x11/0x20
[  420.504713]  ? finish_task_switch+0x1f4/0x910
[  420.509212]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.514317]  ? compat_start_thread+0x80/0x80
[  420.518743]  ? pvclock_read_flags+0x160/0x160
[  420.523239]  ? __switch_to_asm+0x34/0x70
[  420.527300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.532834]  ? check_preemption_disabled+0x48/0x280
[  420.537850]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  420.543386]  ? rcu_pm_notify+0xc0/0xc0
[  420.547271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.552804]  ? check_preemption_disabled+0x48/0x280
[  420.557817]  run_timer_softirq+0x52/0xb0
[  420.562425]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.567437]  __do_softirq+0x308/0xb7e
[  420.571236]  ? retint_kernel+0x2d/0x2d
[  420.575125]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.580230]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.585672]  ? retint_kernel+0x2d/0x2d
[  420.589562]  ? schedule+0x108/0x460
[  420.593191]  ? trace_hardirqs_off+0xb8/0x310
[  420.597600]  ? smpboot_thread_fn+0x68b/0xa00
[  420.602010]  ? trace_hardirqs_on+0x310/0x310
[  420.606498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.612030]  ? check_preemption_disabled+0x48/0x280
[  420.617177]  ? takeover_tasklets+0xa90/0xa90
[  420.621583]  run_ksoftirqd+0x5e/0x100
[  420.625372]  smpboot_thread_fn+0x68b/0xa00
[  420.629599]  ? sort_range+0x30/0x30
[  420.633316]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.638413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.643949]  ? __kthread_parkme+0xfb/0x1a0
[  420.648173]  ? sort_range+0x30/0x30
[  420.651807]  kthread+0x35a/0x440
[  420.655174]  ? kthread_stop+0x900/0x900
[  420.659151]  ret_from_fork+0x3a/0x50
[  420.662870] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  420.662874] warn_alloc_show_mem: 1 callbacks suppressed
[  420.662879] Mem-Info:
[  420.670221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.675577] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  420.675577]  active_file:17 inactive_file:17 isolated_file:0
[  420.675577]  unevictable:0 dirty:0 writeback:0 unstable:0
[  420.675577]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  420.675577]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  420.675577]  free:13768 free_pcp:279 free_cma:0
[  420.677941] Call Trace:
[  420.687306] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  420.720315]  <IRQ>
[  420.722879] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  420.750639]  dump_stack+0x244/0x39d
[  420.752759] lowmem_reserve[]: 0 2818 6321 6321
[  420.779120]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.782719] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  420.787304]  warn_alloc.cold.116+0xb7/0x1bd
[  420.792451] lowmem_reserve[]: 0 0 3503 3503
[  420.819974]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.824270] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  420.828584]  ? lock_downgrade+0x900/0x900
[  420.833390] lowmem_reserve[]: 0 0 0 0
[  420.862377]  ? trace_hardirqs_off+0xb8/0x310
[  420.866495] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  420.870291]  ? trace_hardirqs_off+0xb8/0x310
[  420.874668] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  420.888451]  __alloc_pages_slowpath+0x2651/0x2de0
[  420.892834] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  420.908018]  ? warn_alloc+0x120/0x120
[  420.912819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.927554]  ? print_usage_bug+0xc0/0xc0
[  420.931328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.940141]  ? warn_alloc+0x120/0x120
[  420.944179] 1758 total pagecache pages
[  420.952741]  ? warn_alloc+0x120/0x120
[  420.956514] 0 pages in swap cache
[  420.960382]  ? print_usage_bug+0xc0/0xc0
[  420.964179] Swap cache stats: add 0, delete 0, find 0/0
[  420.967614]  ? print_usage_bug+0xc0/0xc0
[  420.971641] Free swap  = 0kB
[  420.976989]  ? __lock_acquire+0x62f/0x4c20
[  420.981019] Total swap = 0kB
[  420.984027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.988229] 1965979 pages RAM
[  420.991235]  ? should_fail+0x22d/0xd01
[  420.996742] 0 pages HighMem/MovableOnly
[  420.999836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.003694] 342853 pages reserved
[  421.007655]  ? __lock_acquire+0x62f/0x4c20
[  421.012731] 0 pages cma reserved
[  421.016173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.020537] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.023733]  ? __lock_acquire+0x62f/0x4c20
[  421.028806] ksoftirqd/0 cpuset=/ mems_allowed=0
[  421.039091]  ? should_fail+0x22d/0xd01
[  421.039105]  ? find_held_lock+0x36/0x1c0
[  421.055887]  ? mark_held_locks+0x130/0x130
[  421.060119]  ? mark_held_locks+0x130/0x130
[  421.064360]  ? zap_class+0x640/0x640
[  421.068072]  ? zap_class+0x640/0x640
[  421.071784]  ? print_usage_bug+0xc0/0xc0
[  421.075839]  ? do_raw_spin_unlock+0xa7/0x330
[  421.080242]  ? zap_class+0x640/0x640
[  421.083951]  ? print_usage_bug+0xc0/0xc0
[  421.088008]  ? wq_watchdog_touch+0x9c/0xfe
[  421.092243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.097784]  ? check_preemption_disabled+0x48/0x280
[  421.102803]  ? __lock_is_held+0xb5/0x140
[  421.106868]  __alloc_pages_nodemask+0xad8/0xea0
[  421.111533]  ? zap_class+0x640/0x640
[  421.115336]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  421.120357]  ? find_held_lock+0x36/0x1c0
[  421.124425]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.129092]  ? lock_downgrade+0x900/0x900
[  421.133248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.138784]  cache_grow_begin+0xa5/0x8c0
[  421.142842]  ? do_raw_spin_unlock+0xa7/0x330
[  421.147252]  fallback_alloc+0x204/0x2e0
[  421.151229]  ____cache_alloc_node+0x1c7/0x1e0
[  421.155724]  kmem_cache_alloc_node+0xe3/0x730
[  421.160223]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.164465]  __alloc_skb+0x119/0x770
[  421.168177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.173454]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.177862]  ? lock_downgrade+0x900/0x900
[  421.182012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.187549]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.193002]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.198451]  ? addrconf_rs_timer+0x690/0x690
[  421.202865]  ndisc_alloc_skb+0x144/0x340
[  421.206925]  ndisc_send_rs+0x331/0x6e0
[  421.210810]  addrconf_rs_timer+0x314/0x690
[  421.215044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.219282]  call_timer_fn+0x272/0x920
[  421.223174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.227402]  ? process_timeout+0x40/0x40
[  421.231463]  ? __run_timers+0x7da/0xc70
[  421.235435]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.239928]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.244415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.248651]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.253233]  ? trace_hardirqs_on+0xbd/0x310
[  421.257548]  ? kasan_check_read+0x11/0x20
[  421.261686]  ? __run_timers+0x7da/0xc70
[  421.265660]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.270760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.275082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.279315]  __run_timers+0x7e5/0xc70
[  421.283128]  ? timer_fixup_init+0x70/0x70
[  421.287287]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.292297]  ? zap_class+0x640/0x640
[  421.296004]  ? enqueue_hrtimer+0x1a5/0x560
[  421.300236]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.305422]  ? find_held_lock+0x36/0x1c0
[  421.309483]  ? zap_class+0x640/0x640
[  421.313282]  ? pvclock_read_flags+0x160/0x160
[  421.317770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.323300]  ? check_preemption_disabled+0x48/0x280
[  421.328318]  ? __lock_is_held+0xb5/0x140
[  421.332377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.337905]  ? check_preemption_disabled+0x48/0x280
[  421.342921]  run_timer_softirq+0x52/0xb0
[  421.346986]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.351998]  __do_softirq+0x308/0xb7e
[  421.355800]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.360308]  ? lock_downgrade+0x900/0x900
[  421.364458]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.369557]  ? pvclock_read_flags+0x160/0x160
[  421.374177]  ? lapic_next_event+0x5a/0x90
[  421.378323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.383858]  ? kvm_clock_read+0x18/0x30
[  421.387824]  ? kvm_sched_clock_read+0x9/0x20
[  421.392228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.397761]  ? check_preemption_disabled+0x48/0x280
[  421.402880]  irq_exit+0x17f/0x1c0
[  421.406336]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.411173]  ? smp_reschedule_interrupt+0x109/0x650
[  421.416193]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.422072]  ? interrupt_entry+0xb5/0xc0
[  421.426150]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.431182]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.436198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.441047]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.446058]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.451074]  ? task_prio+0x50/0x50
[  421.454611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.460147]  ? check_preemption_disabled+0x48/0x280
[  421.465161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.470001]  apic_timer_interrupt+0xf/0x20
[  421.474235]  </IRQ>
[  421.476468] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  421.481406] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  421.500299] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.508010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  421.515275] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  421.522548] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  421.529811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  421.537071] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  421.544364]  skb_clone+0x1bb/0x500
[  421.547900]  ? finish_task_switch+0x2f4/0x910
[  421.552389]  ? skb_split+0x11e0/0x11e0
[  421.556273]  ? preempt_notifier_register+0x200/0x200
[  421.561380]  ? __switch_to_asm+0x34/0x70
[  421.565438]  ? __switch_to_asm+0x34/0x70
[  421.569486]  ? __switch_to_asm+0x40/0x70
[  421.573537]  ? __switch_to_asm+0x34/0x70
[  421.577599]  ? __switch_to_asm+0x40/0x70
[  421.581652]  ? __switch_to_asm+0x34/0x70
[  421.585706]  ? __switch_to_asm+0x40/0x70
[  421.589760]  ? __switch_to_asm+0x34/0x70
[  421.593811]  ? __switch_to_asm+0x34/0x70
[  421.597874]  ? __switch_to_asm+0x40/0x70
[  421.601924]  ? __switch_to_asm+0x34/0x70
[  421.605978]  bpf_clone_redirect+0xb9/0x490
[  421.610203]  ? __schedule+0x8d7/0x21d0
[  421.614087]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  421.619101]  ? __sched_text_start+0x8/0x8
[  421.623251]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.628005]  ? find_held_lock+0x36/0x1c0
[  421.632076]  ? lock_acquire+0x1ed/0x520
[  421.636045]  ? bpf_test_run+0x3ee/0x7a0
[  421.640031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.645568]  ? check_preemption_disabled+0x48/0x280
[  421.650576]  ? kasan_check_read+0x11/0x20
[  421.654714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.659982]  ? rcu_softirq_qs+0x20/0x20
[  421.663953]  ? preempt_schedule+0x4d/0x60
[  421.668097]  ? ___preempt_schedule+0x16/0x18
[  421.672515]  ? bpf_test_run+0x271/0x7a0
[  421.676493]  ? netlink_diag_dump+0x2a0/0x2a0
[  421.680909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.686568]  ? bpf_test_init.isra.10+0x70/0x100
[  421.691240]  ? bpf_prog_test_run_skb+0x762/0xd60
[  421.695995]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.700838]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.706365]  ? fput+0x130/0x1a0
[  421.709643]  ? __bpf_prog_get+0x9b/0x290
[  421.713705]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.718554]  ? bpf_prog_test_run+0x130/0x1a0
[  421.722960]  ? __x64_sys_bpf+0x3d8/0x520
[  421.727014]  ? bpf_prog_get+0x20/0x20
[  421.730831]  ? do_syscall_64+0x1b9/0x820
[  421.734884]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  421.740245]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.745167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.750009]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.755022]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  421.760035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.765571]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.770590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.775441]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  421.780823] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  421.780895] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.787661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.787668] Call Trace:
[  421.794230] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.803492]  dump_stack+0x244/0x39d
[  421.806049] syz-executor5 cpuset=syz5 mems_allowed=0
[  421.816523]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.830392]  warn_alloc.cold.116+0xb7/0x1bd
[  421.834710]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.839549]  ? lock_downgrade+0x900/0x900
[  421.843713]  ? trace_hardirqs_off+0xb8/0x310
[  421.848124]  ? trace_hardirqs_off+0xb8/0x310
[  421.852532]  __alloc_pages_slowpath+0x2651/0x2de0
[  421.857393]  ? warn_alloc+0x120/0x120
[  421.861190]  ? warn_alloc+0x120/0x120
[  421.864982]  ? __bfs+0xb0/0x780
[  421.868259]  ? warn_alloc+0x120/0x120
[  421.872054]  ? print_usage_bug+0xc0/0xc0
[  421.876121]  ? print_usage_bug+0xc0/0xc0
[  421.880178]  ? check_usage+0x1aa/0x790
[  421.884056]  ? check_usage+0x1aa/0x790
[  421.887957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.893519]  ? should_fail+0x22d/0xd01
[  421.897403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.902498]  ? __lock_acquire+0x62f/0x4c20
[  421.906740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.911834]  ? __lock_acquire+0x62f/0x4c20
[  421.916063]  ? should_fail+0x22d/0xd01
[  421.919961]  ? mark_held_locks+0x130/0x130
[  421.924204]  ? mark_held_locks+0x130/0x130
[  421.928440]  ? zap_class+0x640/0x640
[  421.932145]  ? ret_from_fork+0x3a/0x50
[  421.936022]  ? __lock_acquire+0x62f/0x4c20
[  421.940261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.945912]  ? check_preemption_disabled+0x48/0x280
[  421.950930]  ? __lock_is_held+0xb5/0x140
[  421.954989]  __alloc_pages_nodemask+0xad8/0xea0
[  421.959651]  ? zap_class+0x640/0x640
[  421.963371]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  421.968389]  ? find_held_lock+0x36/0x1c0
[  421.972459]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.977133]  ? lock_downgrade+0x900/0x900
[  421.981280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.986814]  cache_grow_begin+0xa5/0x8c0
[  421.990871]  ? do_raw_spin_unlock+0xa7/0x330
[  421.995278]  fallback_alloc+0x204/0x2e0
[  421.999273]  ____cache_alloc_node+0x1c7/0x1e0
[  422.003767]  kmem_cache_alloc_node+0xe3/0x730
[  422.008254]  ? mark_held_locks+0xc7/0x130
[  422.012403]  __alloc_skb+0x119/0x770
[  422.016124]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.020523]  ? do_raw_spin_trylock+0x270/0x270
[  422.025104]  ? kmem_cache_alloc_trace+0x353/0x750
[  422.029946]  ? queue_work_on+0x12c/0x1e0
[  422.034003]  ? switchdev_port_obj_del+0xdc/0x440
[  422.038751]  ? switchdev_trans_item_enqueue+0x260/0x260
[  422.044117]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.049128]  __br_mdb_notify+0x4ff/0x15d0
[  422.053283]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.058381]  ? __br_mdb_add+0x7f0/0x7f0
[  422.062350]  ? mark_held_locks+0x130/0x130
[  422.066585]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.071681]  ? debug_object_assert_init+0x368/0x4b0
[  422.076692]  ? debug_object_init_on_stack+0x20/0x20
[  422.081700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.087235]  br_mdb_notify+0x310/0x410
[  422.091118]  ? br_mdb_dump+0x27b0/0x27b0
[  422.095192]  br_multicast_del_pg+0x3df/0x790
[  422.099598]  ? br_mdb_ip_get+0x940/0x940
[  422.103666]  ? rwlock_bug.part.2+0x90/0x90
[  422.107902]  ? __lock_is_held+0xb5/0x140
[  422.111965]  br_multicast_port_group_expired+0x189/0x1e0
[  422.117409]  call_timer_fn+0x272/0x920
[  422.121291]  ? br_multicast_del_pg+0x790/0x790
[  422.125870]  ? process_timeout+0x40/0x40
[  422.129952]  ? __run_timers+0x7da/0xc70
[  422.133922]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.138406]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.142891]  ? br_multicast_del_pg+0x790/0x790
[  422.147464]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.152040]  ? trace_hardirqs_on+0xbd/0x310
[  422.156443]  ? kasan_check_read+0x11/0x20
[  422.160581]  ? __run_timers+0x7da/0xc70
[  422.164557]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.169661]  ? br_multicast_del_pg+0x790/0x790
[  422.174245]  ? br_multicast_del_pg+0x790/0x790
[  422.178819]  __run_timers+0x7e5/0xc70
[  422.182617]  ? timer_fixup_init+0x70/0x70
[  422.186849]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.191339]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.195826]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.200410]  ? trace_hardirqs_on+0xbd/0x310
[  422.204723]  ? kasan_check_read+0x11/0x20
[  422.208868]  ? finish_task_switch+0x1f4/0x910
[  422.213360]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.218455]  ? compat_start_thread+0x80/0x80
[  422.222872]  ? pvclock_read_flags+0x160/0x160
[  422.227354]  ? __switch_to_asm+0x34/0x70
[  422.231406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.236932]  ? check_preemption_disabled+0x48/0x280
[  422.241950]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  422.247484]  ? rcu_pm_notify+0xc0/0xc0
[  422.251374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.256902]  ? check_preemption_disabled+0x48/0x280
[  422.261922]  run_timer_softirq+0x52/0xb0
[  422.265979]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.270993]  __do_softirq+0x308/0xb7e
[  422.274790]  ? retint_kernel+0x2d/0x2d
[  422.278675]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.283792]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.289235]  ? retint_kernel+0x2d/0x2d
[  422.293126]  ? schedule+0x108/0x460
[  422.296755]  ? trace_hardirqs_off+0xb8/0x310
[  422.301165]  ? smpboot_thread_fn+0x68b/0xa00
[  422.305572]  ? trace_hardirqs_on+0x310/0x310
[  422.309983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.315514]  ? check_preemption_disabled+0x48/0x280
[  422.320522]  ? takeover_tasklets+0xa90/0xa90
[  422.324946]  run_ksoftirqd+0x5e/0x100
[  422.328739]  smpboot_thread_fn+0x68b/0xa00
[  422.332971]  ? sort_range+0x30/0x30
[  422.336592]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.341692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.347230]  ? __kthread_parkme+0xfb/0x1a0
[  422.351466]  ? sort_range+0x30/0x30
[  422.355107]  kthread+0x35a/0x440
[  422.358471]  ? kthread_stop+0x900/0x900
[  422.362444]  ret_from_fork+0x3a/0x50
[  422.366185] warn_alloc_show_mem: 1 callbacks suppressed
[  422.366195] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  422.366197] Mem-Info:
[  422.366228] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  422.366228]  active_file:17 inactive_file:17 isolated_file:0
[  422.366228]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.366228]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  422.366228]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  422.366228]  free:13768 free_pcp:279 free_cma:0
[  422.371563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.378924] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.381315] Call Trace:
[  422.414339] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  422.423674]  <IRQ>
[  422.451826] lowmem_reserve[]: 0 2818 6321 6321
[  422.454407]  dump_stack+0x244/0x39d
[  422.480495] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  422.482638]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.487187] lowmem_reserve[]: 0 0 3503 3503
[  422.490815]  warn_alloc.cold.116+0xb7/0x1bd
[  422.518192] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  422.523373]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.527688] lowmem_reserve[]: 0 0 0 0
[  422.531999]  ? lock_downgrade+0x900/0x900
[  422.560938] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  422.565773]  ? trace_hardirqs_off+0xb8/0x310
[  422.569542] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  422.573688]  ? trace_hardirqs_off+0xb8/0x310
[  422.587178] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  422.591576]  __alloc_pages_slowpath+0x2651/0x2de0
[  422.606731] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.611136]  ? warn_alloc+0x120/0x120
[  422.625977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.625985] 1758 total pagecache pages
[  422.630819]  ? print_usage_bug+0xc0/0xc0
[  422.639629] 0 pages in swap cache
[  422.643407]  ? warn_alloc+0x120/0x120
[  422.651957] Swap cache stats: add 0, delete 0, find 0/0
[  422.655827]  ? warn_alloc+0x120/0x120
[  422.659856] Free swap  = 0kB
[  422.663292]  ? print_usage_bug+0xc0/0xc0
[  422.667061] Total swap = 0kB
[  422.672409]  ? kvm_clock_read+0x18/0x30
[  422.676174] 1965979 pages RAM
[  422.679187]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.683214] 0 pages HighMem/MovableOnly
[  422.683221] 342853 pages reserved
[  422.686236]  ? print_usage_bug+0xc0/0xc0
[  422.690178] 0 pages cma reserved
[  422.693267]  ? __lock_acquire+0x62f/0x4c20
[  422.698398] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.702216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.705637] ksoftirqd/0 cpuset=/ mems_allowed=0
[  422.709689]  ? should_fail+0x22d/0xd01
[  422.741579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.746854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.751955]  ? __lock_acquire+0x62f/0x4c20
[  422.756284]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.761380]  ? __lock_acquire+0x62f/0x4c20
[  422.765611]  ? should_fail+0x22d/0xd01
[  422.769493]  ? rcu_irq_exit+0x1a2/0x390
[  422.773479]  ? mark_held_locks+0x130/0x130
[  422.777712]  ? mark_held_locks+0x130/0x130
[  422.781945]  ? mark_held_locks+0xc7/0x130
[  422.786100]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  422.791114]  ? zap_class+0x640/0x640
[  422.794821]  ? print_usage_bug+0xc0/0xc0
[  422.798883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.804413]  ? check_preemption_disabled+0x48/0x280
[  422.809430]  ? __lock_is_held+0xb5/0x140
[  422.813491]  __alloc_pages_nodemask+0xad8/0xea0
[  422.818171]  ? zap_class+0x640/0x640
[  422.821886]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  422.826907]  ? find_held_lock+0x36/0x1c0
[  422.830977]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.835647]  ? lock_downgrade+0x900/0x900
[  422.839801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.845454]  cache_grow_begin+0xa5/0x8c0
[  422.849508]  ? do_raw_spin_unlock+0xa7/0x330
[  422.853923]  fallback_alloc+0x204/0x2e0
[  422.857901]  ____cache_alloc_node+0x1c7/0x1e0
[  422.862396]  kmem_cache_alloc_node+0xe3/0x730
[  422.866903]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.871156]  __alloc_skb+0x119/0x770
[  422.874862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.880141]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.884560]  ? lock_downgrade+0x900/0x900
[  422.888710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.894243]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.899691]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.905136]  ? addrconf_rs_timer+0x690/0x690
[  422.909553]  ndisc_alloc_skb+0x144/0x340
[  422.913611]  ndisc_send_rs+0x331/0x6e0
[  422.917502]  addrconf_rs_timer+0x314/0x690
[  422.921741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.925980]  call_timer_fn+0x272/0x920
[  422.929868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.934097]  ? process_timeout+0x40/0x40
[  422.938158]  ? __run_timers+0x7da/0xc70
[  422.942126]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.946617]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.951123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.955354]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.959948]  ? trace_hardirqs_on+0xbd/0x310
[  422.964268]  ? kasan_check_read+0x11/0x20
[  422.968406]  ? __run_timers+0x7da/0xc70
[  422.972376]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.977491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.981723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.985958]  __run_timers+0x7e5/0xc70
[  422.989761]  ? timer_fixup_init+0x70/0x70
[  422.993906]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.998919]  ? zap_class+0x640/0x640
[  423.002628]  ? enqueue_hrtimer+0x1a5/0x560
[  423.006893]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.012085]  ? find_held_lock+0x36/0x1c0
[  423.016155]  ? zap_class+0x640/0x640
[  423.019867]  ? pvclock_read_flags+0x160/0x160
[  423.024356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.029888]  ? check_preemption_disabled+0x48/0x280
[  423.034911]  ? __lock_is_held+0xb5/0x140
[  423.038969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.044511]  ? check_preemption_disabled+0x48/0x280
[  423.049528]  run_timer_softirq+0x52/0xb0
[  423.053600]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.058615]  __do_softirq+0x308/0xb7e
[  423.062411]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.066896]  ? lock_downgrade+0x900/0x900
[  423.071042]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.076183]  ? pvclock_read_flags+0x160/0x160
[  423.080694]  ? lapic_next_event+0x5a/0x90
[  423.084843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.090377]  ? kvm_clock_read+0x18/0x30
[  423.094346]  ? kvm_sched_clock_read+0x9/0x20
[  423.098751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.104284]  ? check_preemption_disabled+0x48/0x280
[  423.109303]  irq_exit+0x17f/0x1c0
[  423.112753]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.117589]  ? smp_reschedule_interrupt+0x109/0x650
[  423.122615]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.128497]  ? interrupt_entry+0xb5/0xc0
[  423.132553]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.137566]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.142576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.147430]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.152435]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.157444]  ? task_prio+0x50/0x50
[  423.160983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.166512]  ? check_preemption_disabled+0x48/0x280
[  423.171524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.176363]  apic_timer_interrupt+0xf/0x20
[  423.180585]  </IRQ>
[  423.182818] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  423.187828] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  423.206717] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.214413] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  423.221671] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  423.228928] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  423.236187] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  423.243445] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  423.250740]  skb_clone+0x1bb/0x500
[  423.254290]  ? finish_task_switch+0x2f4/0x910
[  423.258779]  ? skb_split+0x11e0/0x11e0
[  423.262663]  ? preempt_notifier_register+0x200/0x200
[  423.267756]  ? __switch_to_asm+0x34/0x70
[  423.271812]  ? __switch_to_asm+0x34/0x70
[  423.275866]  ? __switch_to_asm+0x40/0x70
[  423.279914]  ? __switch_to_asm+0x34/0x70
[  423.283970]  ? __switch_to_asm+0x40/0x70
[  423.288022]  ? __switch_to_asm+0x34/0x70
[  423.292073]  ? __switch_to_asm+0x40/0x70
[  423.296126]  ? __switch_to_asm+0x34/0x70
[  423.300195]  ? __switch_to_asm+0x34/0x70
[  423.304256]  ? __switch_to_asm+0x40/0x70
[  423.308313]  ? __switch_to_asm+0x34/0x70
[  423.312370]  bpf_clone_redirect+0xb9/0x490
[  423.316598]  ? __schedule+0x8d7/0x21d0
[  423.320499]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  423.325512]  ? __sched_text_start+0x8/0x8
[  423.329652]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  423.334415]  ? find_held_lock+0x36/0x1c0
[  423.338486]  ? lock_acquire+0x1ed/0x520
[  423.342456]  ? bpf_test_run+0x3ee/0x7a0
[  423.346441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.351986]  ? check_preemption_disabled+0x48/0x280
[  423.357014]  ? kasan_check_read+0x11/0x20
[  423.361156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.366428]  ? rcu_softirq_qs+0x20/0x20
[  423.370397]  ? preempt_schedule+0x4d/0x60
[  423.374543]  ? ___preempt_schedule+0x16/0x18
[  423.378960]  ? bpf_test_run+0x271/0x7a0
[  423.382943]  ? netlink_diag_dump+0x2a0/0x2a0
[  423.387377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.392914]  ? bpf_test_init.isra.10+0x70/0x100
[  423.397589]  ? bpf_prog_test_run_skb+0x762/0xd60
[  423.402351]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.407193]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.412727]  ? fput+0x130/0x1a0
[  423.416003]  ? __bpf_prog_get+0x9b/0x290
[  423.420060]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.424896]  ? bpf_prog_test_run+0x130/0x1a0
[  423.429302]  ? __x64_sys_bpf+0x3d8/0x520
[  423.433354]  ? bpf_prog_get+0x20/0x20
[  423.437166]  ? do_syscall_64+0x1b9/0x820
[  423.441238]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  423.446602]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.451534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.456392]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.461403]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  423.466411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.471950]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.476973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.481817]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  423.487194] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  423.487263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.494029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.494034] Call Trace:
[  423.494052]  dump_stack+0x244/0x39d
[  423.494070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.500621] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.509886]  warn_alloc.cold.116+0xb7/0x1bd
[  423.512435] syz-executor5 cpuset=syz5 mems_allowed=0
[  423.516055]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.545914]  ? lock_downgrade+0x900/0x900
[  423.550070]  ? trace_hardirqs_off+0xb8/0x310
[  423.554479]  ? trace_hardirqs_off+0xb8/0x310
[  423.558888]  __alloc_pages_slowpath+0x2651/0x2de0
[  423.563748]  ? warn_alloc+0x120/0x120
[  423.567548]  ? warn_alloc+0x120/0x120
[  423.571345]  ? __bfs+0xb0/0x780
[  423.574621]  ? warn_alloc+0x120/0x120
[  423.578413]  ? print_usage_bug+0xc0/0xc0
[  423.582469]  ? print_usage_bug+0xc0/0xc0
[  423.586525]  ? check_usage+0x1aa/0x790
[  423.590405]  ? check_usage+0x1aa/0x790
[  423.594289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.599819]  ? should_fail+0x22d/0xd01
[  423.603706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.608808]  ? __lock_acquire+0x62f/0x4c20
[  423.613147]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.618342]  ? __lock_acquire+0x62f/0x4c20
[  423.622567]  ? should_fail+0x22d/0xd01
[  423.626454]  ? mark_held_locks+0x130/0x130
[  423.630685]  ? mark_held_locks+0x130/0x130
[  423.634917]  ? zap_class+0x640/0x640
[  423.638636]  ? ret_from_fork+0x3a/0x50
[  423.642515]  ? __lock_acquire+0x62f/0x4c20
[  423.646761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.652290]  ? check_preemption_disabled+0x48/0x280
[  423.657317]  ? __lock_is_held+0xb5/0x140
[  423.661372]  __alloc_pages_nodemask+0xad8/0xea0
[  423.666034]  ? zap_class+0x640/0x640
[  423.669747]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  423.674766]  ? find_held_lock+0x36/0x1c0
[  423.678828]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.683493]  ? lock_downgrade+0x900/0x900
[  423.687643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.693173]  cache_grow_begin+0xa5/0x8c0
[  423.697227]  ? do_raw_spin_unlock+0xa7/0x330
[  423.701632]  fallback_alloc+0x204/0x2e0
[  423.705603]  ____cache_alloc_node+0x1c7/0x1e0
[  423.710096]  kmem_cache_alloc_node+0xe3/0x730
[  423.714593]  ? mark_held_locks+0xc7/0x130
[  423.718744]  __alloc_skb+0x119/0x770
[  423.722454]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.726852]  ? do_raw_spin_trylock+0x270/0x270
[  423.731424]  ? kmem_cache_alloc_trace+0x353/0x750
[  423.736266]  ? queue_work_on+0x12c/0x1e0
[  423.740324]  ? switchdev_port_obj_del+0xdc/0x440
[  423.745071]  ? switchdev_trans_item_enqueue+0x260/0x260
[  423.750428]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.755448]  __br_mdb_notify+0x4ff/0x15d0
[  423.759592]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.764697]  ? __br_mdb_add+0x7f0/0x7f0
[  423.768663]  ? mark_held_locks+0x130/0x130
[  423.772898]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.778008]  ? debug_object_assert_init+0x368/0x4b0
[  423.783024]  ? debug_object_init_on_stack+0x20/0x20
[  423.788037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.793572]  br_mdb_notify+0x310/0x410
[  423.797455]  ? br_mdb_dump+0x27b0/0x27b0
[  423.801526]  br_multicast_del_pg+0x3df/0x790
[  423.805955]  ? br_mdb_ip_get+0x940/0x940
[  423.810008]  ? rwlock_bug.part.2+0x90/0x90
[  423.814239]  ? __lock_is_held+0xb5/0x140
[  423.818303]  br_multicast_port_group_expired+0x189/0x1e0
[  423.823752]  call_timer_fn+0x272/0x920
[  423.827633]  ? br_multicast_del_pg+0x790/0x790
[  423.832206]  ? process_timeout+0x40/0x40
[  423.836267]  ? __run_timers+0x7da/0xc70
[  423.840238]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.844725]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.849213]  ? br_multicast_del_pg+0x790/0x790
[  423.853786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.858490]  ? trace_hardirqs_on+0xbd/0x310
[  423.862808]  ? kasan_check_read+0x11/0x20
[  423.866947]  ? __run_timers+0x7da/0xc70
[  423.870929]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.876034]  ? br_multicast_del_pg+0x790/0x790
[  423.880617]  ? br_multicast_del_pg+0x790/0x790
[  423.885190]  __run_timers+0x7e5/0xc70
[  423.888993]  ? timer_fixup_init+0x70/0x70
[  423.893138]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.897629]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.902118]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.906695]  ? trace_hardirqs_on+0xbd/0x310
[  423.911009]  ? kasan_check_read+0x11/0x20
[  423.915154]  ? finish_task_switch+0x1f4/0x910
[  423.919644]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.924741]  ? compat_start_thread+0x80/0x80
[  423.929162]  ? pvclock_read_flags+0x160/0x160
[  423.933648]  ? __switch_to_asm+0x34/0x70
[  423.937709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.943241]  ? check_preemption_disabled+0x48/0x280
[  423.948264]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  423.953795]  ? rcu_pm_notify+0xc0/0xc0
[  423.957678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.963208]  ? check_preemption_disabled+0x48/0x280
[  423.968222]  run_timer_softirq+0x52/0xb0
[  423.972275]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.977285]  __do_softirq+0x308/0xb7e
[  423.981086]  ? retint_kernel+0x2d/0x2d
[  423.984973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.990072]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.995513]  ? retint_kernel+0x2d/0x2d
[  423.999405]  ? schedule+0x108/0x460
[  424.003037]  ? trace_hardirqs_off+0xb8/0x310
[  424.007438]  ? smpboot_thread_fn+0x68b/0xa00
[  424.011841]  ? trace_hardirqs_on+0x310/0x310
[  424.016248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.021784]  ? check_preemption_disabled+0x48/0x280
[  424.026800]  ? takeover_tasklets+0xa90/0xa90
[  424.031208]  run_ksoftirqd+0x5e/0x100
[  424.035004]  smpboot_thread_fn+0x68b/0xa00
[  424.039241]  ? sort_range+0x30/0x30
[  424.042862]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.048052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.053672]  ? __kthread_parkme+0xfb/0x1a0
[  424.057911]  ? sort_range+0x30/0x30
[  424.061539]  kthread+0x35a/0x440
[  424.064916]  ? kthread_stop+0x900/0x900
[  424.068897]  ret_from_fork+0x3a/0x50
[  424.072625] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  424.072630] warn_alloc_show_mem: 1 callbacks suppressed
[  424.072636] Mem-Info:
[  424.079980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.079987] Call Trace:
[  424.085352] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  424.085352]  active_file:17 inactive_file:17 isolated_file:0
[  424.085352]  unevictable:0 dirty:0 writeback:0 unstable:0
[  424.085352]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  424.085352]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  424.085352]  free:13768 free_pcp:279 free_cma:0
[  424.087723]  <IRQ>
[  424.097078] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  424.099647]  dump_stack+0x244/0x39d
[  424.132754] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  424.134905]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.162629] lowmem_reserve[]: 0 2818 6321 6321
[  424.166261]  warn_alloc.cold.116+0xb7/0x1bd
[  424.192415] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  424.197595]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.202147] lowmem_reserve[]: 0 0 3503 3503
[  424.206463]  ? lock_downgrade+0x900/0x900
[  424.233846] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  424.238691]  ? trace_hardirqs_off+0xb8/0x310
[  424.242976] lowmem_reserve[]: 0 0 0 0
[  424.247117]  ? trace_hardirqs_off+0xb8/0x310
[  424.276064] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  424.280474]  __alloc_pages_slowpath+0x2651/0x2de0
[  424.284253] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  424.288694]  ? warn_alloc+0x120/0x120
[  424.302169] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  424.307097]  ? print_usage_bug+0xc0/0xc0
[  424.322247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.326046]  ? warn_alloc+0x120/0x120
[  424.340874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.344920]  ? warn_alloc+0x120/0x120
[  424.353726] 1758 total pagecache pages
[  424.357527]  ? print_usage_bug+0xc0/0xc0
[  424.366081] 0 pages in swap cache
[  424.369871]  ? kvm_clock_read+0x18/0x30
[  424.373738] Swap cache stats: add 0, delete 0, find 0/0
[  424.377783]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.381203] Free swap  = 0kB
[  424.385165]  ? print_usage_bug+0xc0/0xc0
[  424.390497] Total swap = 0kB
[  424.395501]  ? __lock_acquire+0x62f/0x4c20
[  424.398493] 1965979 pages RAM
[  424.402544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.405529] 0 pages HighMem/MovableOnly
[  424.405537] 342853 pages reserved
[  424.409762]  ? should_fail+0x22d/0xd01
[  424.412834] 0 pages cma reserved
[  424.413006] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.418379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.422321] ksoftirqd/0 cpuset=/ mems_allowed=0
[  424.425764]  ? __lock_acquire+0x62f/0x4c20
[  424.457774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.462883]  ? __lock_acquire+0x62f/0x4c20
[  424.467109]  ? should_fail+0x22d/0xd01
[  424.470999]  ? mark_held_locks+0x130/0x130
[  424.475234]  ? mark_held_locks+0x130/0x130
[  424.479471]  ? zap_class+0x640/0x640
[  424.483178]  ? print_usage_bug+0xc0/0xc0
[  424.487237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.492773]  ? check_preemption_disabled+0x48/0x280
[  424.497792]  ? __lock_is_held+0xb5/0x140
[  424.501871]  __alloc_pages_nodemask+0xad8/0xea0
[  424.506533]  ? zap_class+0x640/0x640
[  424.510245]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  424.515266]  ? find_held_lock+0x36/0x1c0
[  424.519331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.524031]  ? lock_downgrade+0x900/0x900
[  424.528272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.533814]  cache_grow_begin+0xa5/0x8c0
[  424.537877]  ? do_raw_spin_unlock+0xa7/0x330
[  424.542285]  fallback_alloc+0x204/0x2e0
[  424.546256]  ____cache_alloc_node+0x1c7/0x1e0
[  424.550748]  kmem_cache_alloc_node+0xe3/0x730
[  424.555241]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.559480]  __alloc_skb+0x119/0x770
[  424.563633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.568907]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.573310]  ? lock_downgrade+0x900/0x900
[  424.577458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.582991]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.588438]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.593884]  ? addrconf_rs_timer+0x690/0x690
[  424.598303]  ndisc_alloc_skb+0x144/0x340
[  424.602380]  ndisc_send_rs+0x331/0x6e0
[  424.606267]  addrconf_rs_timer+0x314/0x690
[  424.610499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.614736]  call_timer_fn+0x272/0x920
[  424.619157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.623385]  ? process_timeout+0x40/0x40
[  424.627443]  ? __run_timers+0x7da/0xc70
[  424.631414]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.635906]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.640396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.644624]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.649200]  ? trace_hardirqs_on+0xbd/0x310
[  424.653515]  ? kasan_check_read+0x11/0x20
[  424.657656]  ? __run_timers+0x7da/0xc70
[  424.661632]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.666739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.670966]  __run_timers+0x7e5/0xc70
[  424.674772]  ? timer_fixup_init+0x70/0x70
[  424.678915]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.683925]  ? zap_class+0x640/0x640
[  424.687643]  ? enqueue_hrtimer+0x1a5/0x560
[  424.691876]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.697064]  ? find_held_lock+0x36/0x1c0
[  424.701120]  ? zap_class+0x640/0x640
[  424.704842]  ? pvclock_read_flags+0x160/0x160
[  424.709333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.714871]  ? check_preemption_disabled+0x48/0x280
[  424.719899]  ? __lock_is_held+0xb5/0x140
[  424.723954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.729484]  ? check_preemption_disabled+0x48/0x280
[  424.734496]  run_timer_softirq+0x52/0xb0
[  424.738561]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.743576]  __do_softirq+0x308/0xb7e
[  424.747379]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.751868]  ? lock_downgrade+0x900/0x900
[  424.756013]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.761117]  ? pvclock_read_flags+0x160/0x160
[  424.765608]  ? lapic_next_event+0x5a/0x90
[  424.769756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.775293]  ? kvm_clock_read+0x18/0x30
[  424.779272]  ? kvm_sched_clock_read+0x9/0x20
[  424.783674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.789208]  ? check_preemption_disabled+0x48/0x280
[  424.794227]  irq_exit+0x17f/0x1c0
[  424.797678]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.802517]  ? smp_reschedule_interrupt+0x109/0x650
[  424.807526]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.813409]  ? interrupt_entry+0xb5/0xc0
[  424.817466]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.822479]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.827496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.832342]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.837352]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.842368]  ? task_prio+0x50/0x50
[  424.845908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.851443]  ? check_preemption_disabled+0x48/0x280
[  424.856457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.861298]  apic_timer_interrupt+0xf/0x20
[  424.865523]  </IRQ>
[  424.867760] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.872686] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  424.891578] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.899276] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.906538] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  424.913798] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  424.921065] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.928329] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  424.935629]  skb_clone+0x1bb/0x500
[  424.939168]  ? finish_task_switch+0x2f4/0x910
[  424.943656]  ? skb_split+0x11e0/0x11e0
[  424.947538]  ? preempt_notifier_register+0x200/0x200
[  424.952631]  ? __switch_to_asm+0x34/0x70
[  424.956690]  ? __switch_to_asm+0x34/0x70
[  424.960744]  ? __switch_to_asm+0x40/0x70
[  424.964794]  ? __switch_to_asm+0x34/0x70
[  424.968855]  ? __switch_to_asm+0x40/0x70
[  424.972907]  ? __switch_to_asm+0x34/0x70
[  424.976959]  ? __switch_to_asm+0x40/0x70
[  424.981011]  ? __switch_to_asm+0x34/0x70
[  424.985063]  ? __switch_to_asm+0x34/0x70
[  424.989114]  ? __switch_to_asm+0x40/0x70
[  424.993166]  ? __switch_to_asm+0x34/0x70
[  424.997225]  bpf_clone_redirect+0xb9/0x490
[  425.001457]  ? __schedule+0x8d7/0x21d0
[  425.005351]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  425.010363]  ? __sched_text_start+0x8/0x8
[  425.014503]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.019264]  ? find_held_lock+0x36/0x1c0
[  425.023334]  ? lock_acquire+0x1ed/0x520
[  425.027307]  ? bpf_test_run+0x3ee/0x7a0
[  425.031282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.036826]  ? check_preemption_disabled+0x48/0x280
[  425.041864]  ? kasan_check_read+0x11/0x20
[  425.046007]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.051277]  ? rcu_softirq_qs+0x20/0x20
[  425.055246]  ? preempt_schedule+0x4d/0x60
[  425.059392]  ? ___preempt_schedule+0x16/0x18
[  425.063809]  ? bpf_test_run+0x271/0x7a0
[  425.067800]  ? netlink_diag_dump+0x2a0/0x2a0
[  425.072207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.077739]  ? bpf_test_init.isra.10+0x70/0x100
[  425.082413]  ? bpf_prog_test_run_skb+0x762/0xd60
[  425.087171]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.092015]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.097548]  ? fput+0x130/0x1a0
[  425.100825]  ? __bpf_prog_get+0x9b/0x290
[  425.104887]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.109726]  ? bpf_prog_test_run+0x130/0x1a0
[  425.114134]  ? __x64_sys_bpf+0x3d8/0x520
[  425.118190]  ? bpf_prog_get+0x20/0x20
[  425.122004]  ? do_syscall_64+0x1b9/0x820
[  425.126063]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.131424]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.136346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.141191]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.146204]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.151217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.156752]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.161766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.166615]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.171988] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  425.172061] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.178827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.178834] Call Trace:
[  425.185396] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.194667]  dump_stack+0x244/0x39d
[  425.197221] syz-executor5 cpuset=syz5 mems_allowed=0
[  425.207793]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.221660]  warn_alloc.cold.116+0xb7/0x1bd
[  425.226003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.230845]  ? lock_downgrade+0x900/0x900
[  425.234994]  ? trace_hardirqs_off+0xb8/0x310
[  425.239403]  ? trace_hardirqs_off+0xb8/0x310
[  425.243819]  __alloc_pages_slowpath+0x2651/0x2de0
[  425.248676]  ? warn_alloc+0x120/0x120
[  425.252495]  ? warn_alloc+0x120/0x120
[  425.256292]  ? __bfs+0xb0/0x780
[  425.259565]  ? warn_alloc+0x120/0x120
[  425.263369]  ? print_usage_bug+0xc0/0xc0
[  425.267425]  ? print_usage_bug+0xc0/0xc0
[  425.271477]  ? check_usage+0x1aa/0x790
[  425.275358]  ? check_usage+0x1aa/0x790
[  425.279245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.284789]  ? should_fail+0x22d/0xd01
[  425.288680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.293787]  ? __lock_acquire+0x62f/0x4c20
[  425.298029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.303131]  ? __lock_acquire+0x62f/0x4c20
[  425.307363]  ? should_fail+0x22d/0xd01
[  425.311257]  ? mark_held_locks+0x130/0x130
[  425.315494]  ? mark_held_locks+0x130/0x130
[  425.319735]  ? zap_class+0x640/0x640
[  425.323441]  ? ret_from_fork+0x3a/0x50
[  425.327322]  ? __lock_acquire+0x62f/0x4c20
[  425.331553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.337089]  ? check_preemption_disabled+0x48/0x280
[  425.342111]  ? __lock_is_held+0xb5/0x140
[  425.346176]  __alloc_pages_nodemask+0xad8/0xea0
[  425.350843]  ? zap_class+0x640/0x640
[  425.354571]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  425.359591]  ? find_held_lock+0x36/0x1c0
[  425.363654]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.368328]  ? lock_downgrade+0x900/0x900
[  425.372495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.378030]  cache_grow_begin+0xa5/0x8c0
[  425.382084]  ? do_raw_spin_unlock+0xa7/0x330
[  425.386497]  fallback_alloc+0x204/0x2e0
[  425.390472]  ____cache_alloc_node+0x1c7/0x1e0
[  425.394968]  kmem_cache_alloc_node+0xe3/0x730
[  425.399457]  ? mark_held_locks+0xc7/0x130
[  425.403610]  __alloc_skb+0x119/0x770
[  425.407342]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.411776]  ? do_raw_spin_trylock+0x270/0x270
[  425.416360]  ? kmem_cache_alloc_trace+0x353/0x750
[  425.421193]  ? queue_work_on+0x12c/0x1e0
[  425.425249]  ? switchdev_port_obj_del+0xdc/0x440
[  425.429996]  ? switchdev_trans_item_enqueue+0x260/0x260
[  425.435359]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.440376]  __br_mdb_notify+0x4ff/0x15d0
[  425.444512]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.450076]  ? __br_mdb_add+0x7f0/0x7f0
[  425.454046]  ? mark_held_locks+0x130/0x130
[  425.458283]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.463380]  ? debug_object_assert_init+0x368/0x4b0
[  425.468393]  ? debug_object_init_on_stack+0x20/0x20
[  425.473514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.479051]  br_mdb_notify+0x310/0x410
[  425.483045]  ? br_mdb_dump+0x27b0/0x27b0
[  425.487116]  br_multicast_del_pg+0x3df/0x790
[  425.491527]  ? br_mdb_ip_get+0x940/0x940
[  425.495594]  ? rwlock_bug.part.2+0x90/0x90
[  425.499822]  ? __lock_is_held+0xb5/0x140
[  425.503903]  br_multicast_port_group_expired+0x189/0x1e0
[  425.509471]  call_timer_fn+0x272/0x920
[  425.513353]  ? br_multicast_del_pg+0x790/0x790
[  425.517938]  ? process_timeout+0x40/0x40
[  425.521999]  ? __run_timers+0x7da/0xc70
[  425.525965]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.530454]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.534945]  ? br_multicast_del_pg+0x790/0x790
[  425.539518]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.544112]  ? trace_hardirqs_on+0xbd/0x310
[  425.548426]  ? kasan_check_read+0x11/0x20
[  425.552579]  ? __run_timers+0x7da/0xc70
[  425.556550]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.561664]  ? br_multicast_del_pg+0x790/0x790
[  425.566244]  ? br_multicast_del_pg+0x790/0x790
[  425.570818]  __run_timers+0x7e5/0xc70
[  425.574626]  ? timer_fixup_init+0x70/0x70
[  425.578780]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.583278]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.587771]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.592349]  ? trace_hardirqs_on+0xbd/0x310
[  425.596664]  ? kasan_check_read+0x11/0x20
[  425.600813]  ? finish_task_switch+0x1f4/0x910
[  425.605301]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.610400]  ? compat_start_thread+0x80/0x80
[  425.614832]  ? pvclock_read_flags+0x160/0x160
[  425.619315]  ? __switch_to_asm+0x34/0x70
[  425.623369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.628896]  ? check_preemption_disabled+0x48/0x280
[  425.633908]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  425.639439]  ? rcu_pm_notify+0xc0/0xc0
[  425.643331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.648863]  ? check_preemption_disabled+0x48/0x280
[  425.653875]  run_timer_softirq+0x52/0xb0
[  425.657930]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.662941]  __do_softirq+0x308/0xb7e
[  425.666746]  ? retint_kernel+0x2d/0x2d
[  425.670635]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.675726]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.681193]  ? retint_kernel+0x2d/0x2d
[  425.685080]  ? schedule+0x108/0x460
[  425.688704]  ? trace_hardirqs_off+0xb8/0x310
[  425.693188]  ? smpboot_thread_fn+0x68b/0xa00
[  425.697603]  ? trace_hardirqs_on+0x310/0x310
[  425.702007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.707535]  ? check_preemption_disabled+0x48/0x280
[  425.712547]  ? takeover_tasklets+0xa90/0xa90
[  425.716947]  run_ksoftirqd+0x5e/0x100
[  425.720750]  smpboot_thread_fn+0x68b/0xa00
[  425.724985]  ? sort_range+0x30/0x30
[  425.728606]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.733698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.739226]  ? __kthread_parkme+0xfb/0x1a0
[  425.743455]  ? sort_range+0x30/0x30
[  425.747079]  kthread+0x35a/0x440
[  425.750436]  ? kthread_stop+0x900/0x900
[  425.754402]  ret_from_fork+0x3a/0x50
[  425.758123] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  425.758127] warn_alloc_show_mem: 1 callbacks suppressed
[  425.758133] Mem-Info:
[  425.765474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.765480] Call Trace:
[  425.770846] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  425.770846]  active_file:17 inactive_file:17 isolated_file:0
[  425.770846]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.770846]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  425.770846]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  425.770846]  free:13768 free_pcp:279 free_cma:0
[  425.773215]  <IRQ>
[  425.782571] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.785142]  dump_stack+0x244/0x39d
[  425.818163] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  425.820308]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.848040] lowmem_reserve[]: 0 2818 6321 6321
[  425.851674]  warn_alloc.cold.116+0xb7/0x1bd
[  425.877863] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  425.883041]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.887586] lowmem_reserve[]: 0 0 3503 3503
[  425.891902]  ? lock_downgrade+0x900/0x900
[  425.919277] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  425.924197]  ? trace_hardirqs_off+0xb8/0x310
[  425.928480] lowmem_reserve[]: 0 0 0 0
[  425.932632]  ? trace_hardirqs_off+0xb8/0x310
[  425.961575] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  425.965980]  __alloc_pages_slowpath+0x2651/0x2de0
[  425.969749] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  425.974171]  ? warn_alloc+0x120/0x120
[  425.987640] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  425.992483]  ? print_usage_bug+0xc0/0xc0
[  426.007629] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.011410]  ? warn_alloc+0x120/0x120
[  426.026135] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.030183]  ? warn_alloc+0x120/0x120
[  426.038988] 1758 total pagecache pages
[  426.042807]  ? print_usage_bug+0xc0/0xc0
[  426.051359] 0 pages in swap cache
[  426.055139]  ? kvm_clock_read+0x18/0x30
[  426.058997] Swap cache stats: add 0, delete 0, find 0/0
[  426.063040]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  426.066460] Free swap  = 0kB
[  426.070418]  ? print_usage_bug+0xc0/0xc0
[  426.075755] Total swap = 0kB
[  426.080757]  ? __lock_acquire+0x62f/0x4c20
[  426.083754] 1965979 pages RAM
[  426.087802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.090794] 0 pages HighMem/MovableOnly
[  426.095013]  ? should_fail+0x22d/0xd01
[  426.098101] 342853 pages reserved
[  426.103622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.107569] 0 pages cma reserved
[  426.111458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.115051] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.120147]  ? __lock_acquire+0x62f/0x4c20
[  426.123483] ksoftirqd/0 cpuset=/ mems_allowed=0
[  426.128585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.152809]  ? __lock_acquire+0x62f/0x4c20
[  426.157041]  ? should_fail+0x22d/0xd01
[  426.160921]  ? rcu_irq_exit+0x1a2/0x390
[  426.164897]  ? mark_held_locks+0x130/0x130
[  426.169132]  ? mark_held_locks+0x130/0x130
[  426.173365]  ? mark_held_locks+0xc7/0x130
[  426.177508]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  426.182522]  ? zap_class+0x640/0x640
[  426.186232]  ? print_usage_bug+0xc0/0xc0
[  426.190295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.195868]  ? check_preemption_disabled+0x48/0x280
[  426.200888]  ? __lock_is_held+0xb5/0x140
[  426.204948]  __alloc_pages_nodemask+0xad8/0xea0
[  426.209613]  ? zap_class+0x640/0x640
[  426.213329]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  426.218346]  ? find_held_lock+0x36/0x1c0
[  426.222411]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.227077]  ? lock_downgrade+0x900/0x900
[  426.231225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.236758]  cache_grow_begin+0xa5/0x8c0
[  426.240809]  ? do_raw_spin_unlock+0xa7/0x330
[  426.245230]  fallback_alloc+0x204/0x2e0
[  426.249209]  ____cache_alloc_node+0x1c7/0x1e0
[  426.253711]  kmem_cache_alloc_node+0xe3/0x730
[  426.258209]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.262449]  __alloc_skb+0x119/0x770
[  426.266156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.271541]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.275947]  ? lock_downgrade+0x900/0x900
[  426.280094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.285626]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.291076]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.296526]  ? addrconf_rs_timer+0x690/0x690
[  426.300943]  ndisc_alloc_skb+0x144/0x340
[  426.305001]  ndisc_send_rs+0x331/0x6e0
[  426.308887]  addrconf_rs_timer+0x314/0x690
[  426.313121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.317358]  call_timer_fn+0x272/0x920
[  426.321236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.325463]  ? process_timeout+0x40/0x40
[  426.329533]  ? __run_timers+0x7da/0xc70
[  426.333501]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.337988]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.342477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.346713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.351287]  ? trace_hardirqs_on+0xbd/0x310
[  426.355617]  ? kasan_check_read+0x11/0x20
[  426.359784]  ? __run_timers+0x7da/0xc70
[  426.363841]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.368944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.373176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.377403]  __run_timers+0x7e5/0xc70
[  426.381211]  ? timer_fixup_init+0x70/0x70
[  426.385356]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.390363]  ? zap_class+0x640/0x640
[  426.394076]  ? enqueue_hrtimer+0x1a5/0x560
[  426.398304]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.403494]  ? find_held_lock+0x36/0x1c0
[  426.407649]  ? zap_class+0x640/0x640
[  426.411363]  ? pvclock_read_flags+0x160/0x160
[  426.415866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.421402]  ? check_preemption_disabled+0x48/0x280
[  426.426421]  ? __lock_is_held+0xb5/0x140
[  426.430480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.436015]  ? check_preemption_disabled+0x48/0x280
[  426.441137]  run_timer_softirq+0x52/0xb0
[  426.445214]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.450478]  __do_softirq+0x308/0xb7e
[  426.454284]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.458775]  ? lock_downgrade+0x900/0x900
[  426.462923]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.468031]  ? pvclock_read_flags+0x160/0x160
[  426.472530]  ? lapic_next_event+0x5a/0x90
[  426.476688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.482224]  ? kvm_clock_read+0x18/0x30
[  426.486211]  ? kvm_sched_clock_read+0x9/0x20
[  426.490615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.496147]  ? check_preemption_disabled+0x48/0x280
[  426.501166]  irq_exit+0x17f/0x1c0
[  426.504622]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.509484]  ? smp_reschedule_interrupt+0x109/0x650
[  426.514498]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.520377]  ? interrupt_entry+0xb5/0xc0
[  426.524438]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.529460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.534472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.539323]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.544348]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.549362]  ? task_prio+0x50/0x50
[  426.552897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.558433]  ? check_preemption_disabled+0x48/0x280
[  426.563455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.568301]  apic_timer_interrupt+0xf/0x20
[  426.572525]  </IRQ>
[  426.574759] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  426.579693] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  426.598588] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  426.606290] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  426.613557] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  426.621316] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  426.628580] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  426.635841] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  426.643142]  skb_clone+0x1bb/0x500
[  426.646689]  ? finish_task_switch+0x2f4/0x910
[  426.651186]  ? skb_split+0x11e0/0x11e0
[  426.655068]  ? preempt_notifier_register+0x200/0x200
[  426.660164]  ? __switch_to_asm+0x34/0x70
[  426.664227]  ? __switch_to_asm+0x34/0x70
[  426.668278]  ? __switch_to_asm+0x40/0x70
[  426.672342]  ? __switch_to_asm+0x34/0x70
[  426.676396]  ? __switch_to_asm+0x40/0x70
[  426.680453]  ? __switch_to_asm+0x34/0x70
[  426.684510]  ? __switch_to_asm+0x40/0x70
[  426.688566]  ? __switch_to_asm+0x34/0x70
[  426.692621]  ? __switch_to_asm+0x34/0x70
[  426.696678]  ? __switch_to_asm+0x40/0x70
[  426.700732]  ? __switch_to_asm+0x34/0x70
[  426.704791]  bpf_clone_redirect+0xb9/0x490
[  426.709018]  ? __schedule+0x8d7/0x21d0
[  426.712910]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  426.717920]  ? __sched_text_start+0x8/0x8
[  426.722062]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  426.726822]  ? find_held_lock+0x36/0x1c0
[  426.730886]  ? lock_acquire+0x1ed/0x520
[  426.734854]  ? bpf_test_run+0x3ee/0x7a0
[  426.738926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.744461]  ? check_preemption_disabled+0x48/0x280
[  426.749475]  ? kasan_check_read+0x11/0x20
[  426.753618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.758892]  ? rcu_softirq_qs+0x20/0x20
[  426.762861]  ? preempt_schedule+0x4d/0x60
[  426.767006]  ? ___preempt_schedule+0x16/0x18
[  426.771411]  ? bpf_test_run+0x271/0x7a0
[  426.775387]  ? netlink_diag_dump+0x2a0/0x2a0
[  426.779793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.785321]  ? bpf_test_init.isra.10+0x70/0x100
[  426.790002]  ? bpf_prog_test_run_skb+0x762/0xd60
[  426.794774]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.799635]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  426.805175]  ? fput+0x130/0x1a0
[  426.808450]  ? __bpf_prog_get+0x9b/0x290
[  426.812503]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.817333]  ? bpf_prog_test_run+0x130/0x1a0
[  426.821742]  ? __x64_sys_bpf+0x3d8/0x520
[  426.825794]  ? bpf_prog_get+0x20/0x20
[  426.829606]  ? do_syscall_64+0x1b9/0x820
[  426.833663]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  426.839019]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.843938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.848793]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.853800]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  426.858812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.864343]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.869352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.874189]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  426.879554] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  426.879626] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.886391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.886396] Call Trace:
[  426.886415]  dump_stack+0x244/0x39d
[  426.886434]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.892971] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.902258]  warn_alloc.cold.116+0xb7/0x1bd
[  426.904809] syz-executor5 cpuset=syz5 mems_allowed=0
[  426.908422]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.938267]  ? lock_downgrade+0x900/0x900
[  426.942415]  ? trace_hardirqs_off+0xb8/0x310
[  426.946819]  ? trace_hardirqs_off+0xb8/0x310
[  426.951226]  __alloc_pages_slowpath+0x2651/0x2de0
[  426.956089]  ? warn_alloc+0x120/0x120
[  426.959883]  ? warn_alloc+0x120/0x120
[  426.963675]  ? __bfs+0xb0/0x780
[  426.966950]  ? warn_alloc+0x120/0x120
[  426.970747]  ? print_usage_bug+0xc0/0xc0
[  426.974816]  ? print_usage_bug+0xc0/0xc0
[  426.978872]  ? check_usage+0x1aa/0x790
[  426.982753]  ? check_usage+0x1aa/0x790
[  426.986646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.992181]  ? should_fail+0x22d/0xd01
[  426.996084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.001179]  ? __lock_acquire+0x62f/0x4c20
[  427.005409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.010512]  ? __lock_acquire+0x62f/0x4c20
[  427.014737]  ? should_fail+0x22d/0xd01
[  427.018630]  ? mark_held_locks+0x130/0x130
[  427.022860]  ? mark_held_locks+0x130/0x130
[  427.027093]  ? zap_class+0x640/0x640
[  427.030939]  ? ret_from_fork+0x3a/0x50
[  427.034822]  ? __lock_acquire+0x62f/0x4c20
[  427.039059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.044595]  ? check_preemption_disabled+0x48/0x280
[  427.049656]  ? __lock_is_held+0xb5/0x140
[  427.053716]  __alloc_pages_nodemask+0xad8/0xea0
[  427.058380]  ? zap_class+0x640/0x640
[  427.062093]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  427.067112]  ? find_held_lock+0x36/0x1c0
[  427.071178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.075845]  ? lock_downgrade+0x900/0x900
[  427.079997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.085534]  cache_grow_begin+0xa5/0x8c0
[  427.089593]  ? do_raw_spin_unlock+0xa7/0x330
[  427.094012]  fallback_alloc+0x204/0x2e0
[  427.097989]  ____cache_alloc_node+0x1c7/0x1e0
[  427.102483]  kmem_cache_alloc_node+0xe3/0x730
[  427.106974]  ? mark_held_locks+0xc7/0x130
[  427.111126]  __alloc_skb+0x119/0x770
[  427.114855]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.119256]  ? do_raw_spin_trylock+0x270/0x270
[  427.123833]  ? kmem_cache_alloc_trace+0x353/0x750
[  427.128681]  ? queue_work_on+0x12c/0x1e0
[  427.132755]  ? switchdev_port_obj_del+0xdc/0x440
[  427.137503]  ? switchdev_trans_item_enqueue+0x260/0x260
[  427.142865]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.147880]  __br_mdb_notify+0x4ff/0x15d0
[  427.152023]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.157127]  ? __br_mdb_add+0x7f0/0x7f0
[  427.161100]  ? mark_held_locks+0x130/0x130
[  427.165335]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.170433]  ? debug_object_assert_init+0x368/0x4b0
[  427.175446]  ? debug_object_init_on_stack+0x20/0x20
[  427.180457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.185994]  br_mdb_notify+0x310/0x410
[  427.189877]  ? br_mdb_dump+0x27b0/0x27b0
[  427.193946]  br_multicast_del_pg+0x3df/0x790
[  427.198359]  ? br_mdb_ip_get+0x940/0x940
[  427.202429]  ? rwlock_bug.part.2+0x90/0x90
[  427.206667]  ? __lock_is_held+0xb5/0x140
[  427.210737]  br_multicast_port_group_expired+0x189/0x1e0
[  427.216183]  call_timer_fn+0x272/0x920
[  427.220065]  ? br_multicast_del_pg+0x790/0x790
[  427.224647]  ? process_timeout+0x40/0x40
[  427.228711]  ? __run_timers+0x7da/0xc70
[  427.232685]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.237175]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.241666]  ? br_multicast_del_pg+0x790/0x790
[  427.246243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.250825]  ? trace_hardirqs_on+0xbd/0x310
[  427.255142]  ? kasan_check_read+0x11/0x20
[  427.259283]  ? __run_timers+0x7da/0xc70
[  427.263254]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.268359]  ? br_multicast_del_pg+0x790/0x790
[  427.272938]  ? br_multicast_del_pg+0x790/0x790
[  427.277515]  __run_timers+0x7e5/0xc70
[  427.281314]  ? timer_fixup_init+0x70/0x70
[  427.285456]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.289942]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.294433]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.299008]  ? trace_hardirqs_on+0xbd/0x310
[  427.303336]  ? kasan_check_read+0x11/0x20
[  427.307483]  ? finish_task_switch+0x1f4/0x910
[  427.312063]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.317161]  ? compat_start_thread+0x80/0x80
[  427.321583]  ? pvclock_read_flags+0x160/0x160
[  427.326083]  ? __switch_to_asm+0x34/0x70
[  427.330140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.335673]  ? check_preemption_disabled+0x48/0x280
[  427.340699]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  427.346234]  ? rcu_pm_notify+0xc0/0xc0
[  427.350120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.355657]  ? check_preemption_disabled+0x48/0x280
[  427.360672]  run_timer_softirq+0x52/0xb0
[  427.364727]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.369740]  __do_softirq+0x308/0xb7e
[  427.373553]  ? retint_kernel+0x2d/0x2d
[  427.377439]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.382538]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.387984]  ? retint_kernel+0x2d/0x2d
[  427.391874]  ? schedule+0x108/0x460
[  427.395502]  ? trace_hardirqs_off+0xb8/0x310
[  427.399906]  ? smpboot_thread_fn+0x68b/0xa00
[  427.404320]  ? trace_hardirqs_on+0x310/0x310
[  427.408723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.414259]  ? check_preemption_disabled+0x48/0x280
[  427.419273]  ? takeover_tasklets+0xa90/0xa90
[  427.423679]  run_ksoftirqd+0x5e/0x100
[  427.427476]  smpboot_thread_fn+0x68b/0xa00
[  427.431718]  ? sort_range+0x30/0x30
[  427.435341]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.440442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.445975]  ? __kthread_parkme+0xfb/0x1a0
[  427.450212]  ? sort_range+0x30/0x30
[  427.453834]  kthread+0x35a/0x440
[  427.457196]  ? kthread_stop+0x900/0x900
[  427.461167]  ret_from_fork+0x3a/0x50
[  427.464894] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  427.464898] warn_alloc_show_mem: 1 callbacks suppressed
[  427.464904] Mem-Info:
[  427.472252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.472259] Call Trace:
[  427.477627] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  427.477627]  active_file:17 inactive_file:17 isolated_file:0
[  427.477627]  unevictable:0 dirty:0 writeback:0 unstable:0
[  427.477627]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  427.477627]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  427.477627]  free:13768 free_pcp:279 free_cma:0
[  427.479991]  <IRQ>
[  427.489436] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.492011]  dump_stack+0x244/0x39d
[  427.525032] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  427.527176]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.554820] lowmem_reserve[]: 0 2818 6321 6321
[  427.558462]  warn_alloc.cold.116+0xb7/0x1bd
[  427.584535] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  427.589724]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.594279] lowmem_reserve[]: 0 0 3503 3503
[  427.598689]  ? lock_downgrade+0x900/0x900
[  427.626080] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  427.630943]  ? trace_hardirqs_off+0xb8/0x310
[  427.635226] lowmem_reserve[]: 0 0 0 0
[  427.639371]  ? trace_hardirqs_off+0xb8/0x310
[  427.668417] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  427.672824]  __alloc_pages_slowpath+0x2651/0x2de0
[  427.676593] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  427.681015]  ? warn_alloc+0x120/0x120
[  427.694489] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  427.699323]  ? print_usage_bug+0xc0/0xc0
[  427.714473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.718284]  ? warn_alloc+0x120/0x120
[  427.732999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.737048]  ? warn_alloc+0x120/0x120
[  427.745850] 1758 total pagecache pages
[  427.749635]  ? print_usage_bug+0xc0/0xc0
[  427.758185] 0 pages in swap cache
[  427.761963]  ? kvm_clock_read+0x18/0x30
[  427.765821] Swap cache stats: add 0, delete 0, find 0/0
[  427.769864]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.773284] Free swap  = 0kB
[  427.777238]  ? print_usage_bug+0xc0/0xc0
[  427.782572] Total swap = 0kB
[  427.787580]  ? __lock_acquire+0x62f/0x4c20
[  427.790577] 1965979 pages RAM
[  427.794626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.797608] 0 pages HighMem/MovableOnly
[  427.797615] 342853 pages reserved
[  427.801831]  ? should_fail+0x22d/0xd01
[  427.804904] 0 pages cma reserved
[  427.810424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.814516] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.817811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.821667] ksoftirqd/0 cpuset=/ mems_allowed=0
[  427.825033]  ? __lock_acquire+0x62f/0x4c20
[  427.854557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.859652]  ? __lock_acquire+0x62f/0x4c20
[  427.863902]  ? should_fail+0x22d/0xd01
[  427.867780]  ? rcu_irq_exit+0x1a2/0x390
[  427.871756]  ? mark_held_locks+0x130/0x130
[  427.875990]  ? mark_held_locks+0x130/0x130
[  427.880226]  ? mark_held_locks+0xc7/0x130
[  427.884371]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  427.889381]  ? zap_class+0x640/0x640
[  427.893094]  ? print_usage_bug+0xc0/0xc0
[  427.897156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.902780]  ? check_preemption_disabled+0x48/0x280
[  427.907925]  ? __lock_is_held+0xb5/0x140
[  427.911988]  __alloc_pages_nodemask+0xad8/0xea0
[  427.916651]  ? zap_class+0x640/0x640
[  427.920364]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  427.925385]  ? find_held_lock+0x36/0x1c0
[  427.929452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.934117]  ? lock_downgrade+0x900/0x900
[  427.938264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.943801]  cache_grow_begin+0xa5/0x8c0
[  427.947874]  ? do_raw_spin_unlock+0xa7/0x330
[  427.952282]  fallback_alloc+0x204/0x2e0
[  427.956259]  ____cache_alloc_node+0x1c7/0x1e0
[  427.960755]  kmem_cache_alloc_node+0xe3/0x730
[  427.965244]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.969482]  __alloc_skb+0x119/0x770
[  427.973191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.978469]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.982871]  ? lock_downgrade+0x900/0x900
[  427.987021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.992563]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.998012]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.003462]  ? addrconf_rs_timer+0x690/0x690
[  428.007892]  ndisc_alloc_skb+0x144/0x340
[  428.011952]  ndisc_send_rs+0x331/0x6e0
[  428.015839]  addrconf_rs_timer+0x314/0x690
[  428.020084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.024425]  call_timer_fn+0x272/0x920
[  428.028312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.032544]  ? process_timeout+0x40/0x40
[  428.036616]  ? __run_timers+0x7da/0xc70
[  428.040596]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.045088]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.049578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.053806]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.058388]  ? trace_hardirqs_on+0xbd/0x310
[  428.062708]  ? kasan_check_read+0x11/0x20
[  428.066850]  ? __run_timers+0x7da/0xc70
[  428.070823]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.075927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.080161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.084388]  __run_timers+0x7e5/0xc70
[  428.088203]  ? timer_fixup_init+0x70/0x70
[  428.092345]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.097354]  ? zap_class+0x640/0x640
[  428.101070]  ? enqueue_hrtimer+0x1a5/0x560
[  428.105301]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.110494]  ? find_held_lock+0x36/0x1c0
[  428.114572]  ? zap_class+0x640/0x640
[  428.118284]  ? pvclock_read_flags+0x160/0x160
[  428.122775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.128306]  ? check_preemption_disabled+0x48/0x280
[  428.133321]  ? __lock_is_held+0xb5/0x140
[  428.137373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.142902]  ? check_preemption_disabled+0x48/0x280
[  428.147913]  run_timer_softirq+0x52/0xb0
[  428.151970]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.156993]  __do_softirq+0x308/0xb7e
[  428.160803]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.165291]  ? lock_downgrade+0x900/0x900
[  428.169435]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.174554]  ? pvclock_read_flags+0x160/0x160
[  428.179048]  ? lapic_next_event+0x5a/0x90
[  428.183195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.188730]  ? kvm_clock_read+0x18/0x30
[  428.192697]  ? kvm_sched_clock_read+0x9/0x20
[  428.197099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.202632]  ? check_preemption_disabled+0x48/0x280
[  428.207653]  irq_exit+0x17f/0x1c0
[  428.211104]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.215937]  ? smp_reschedule_interrupt+0x109/0x650
[  428.220949]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.226827]  ? interrupt_entry+0xb5/0xc0
[  428.230883]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.235894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.240902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.245736]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.250744]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.255753]  ? task_prio+0x50/0x50
[  428.259285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.264815]  ? check_preemption_disabled+0x48/0x280
[  428.269829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.274674]  apic_timer_interrupt+0xf/0x20
[  428.278899]  </IRQ>
[  428.281129] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  428.286053] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  428.305032] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.312749] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  428.320013] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  428.327279] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  428.334540] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  428.341801] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  428.349116]  skb_clone+0x1bb/0x500
[  428.352651]  ? finish_task_switch+0x2f4/0x910
[  428.357139]  ? skb_split+0x11e0/0x11e0
[  428.361029]  ? preempt_notifier_register+0x200/0x200
[  428.366122]  ? __switch_to_asm+0x34/0x70
[  428.370173]  ? __switch_to_asm+0x34/0x70
[  428.374223]  ? __switch_to_asm+0x40/0x70
[  428.378272]  ? __switch_to_asm+0x34/0x70
[  428.382323]  ? __switch_to_asm+0x40/0x70
[  428.386388]  ? __switch_to_asm+0x34/0x70
[  428.390437]  ? __switch_to_asm+0x40/0x70
[  428.394486]  ? __switch_to_asm+0x34/0x70
[  428.398567]  ? __switch_to_asm+0x34/0x70
[  428.402618]  ? __switch_to_asm+0x40/0x70
[  428.406671]  ? __switch_to_asm+0x34/0x70
[  428.410727]  bpf_clone_redirect+0xb9/0x490
[  428.414957]  ? __schedule+0x8d7/0x21d0
[  428.418842]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  428.423854]  ? __sched_text_start+0x8/0x8
[  428.427997]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  428.432775]  ? find_held_lock+0x36/0x1c0
[  428.436837]  ? lock_acquire+0x1ed/0x520
[  428.440803]  ? bpf_test_run+0x3ee/0x7a0
[  428.444769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.450741]  ? check_preemption_disabled+0x48/0x280
[  428.455775]  ? kasan_check_read+0x11/0x20
[  428.459917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.465191]  ? rcu_softirq_qs+0x20/0x20
[  428.469162]  ? preempt_schedule+0x4d/0x60
[  428.473307]  ? ___preempt_schedule+0x16/0x18
[  428.477719]  ? bpf_test_run+0x271/0x7a0
[  428.481702]  ? netlink_diag_dump+0x2a0/0x2a0
[  428.486109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.491640]  ? bpf_test_init.isra.10+0x70/0x100
[  428.496309]  ? bpf_prog_test_run_skb+0x762/0xd60
[  428.501071]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.506034]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.511566]  ? fput+0x130/0x1a0
[  428.514842]  ? __bpf_prog_get+0x9b/0x290
[  428.518908]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.523743]  ? bpf_prog_test_run+0x130/0x1a0
[  428.528153]  ? __x64_sys_bpf+0x3d8/0x520
[  428.532208]  ? bpf_prog_get+0x20/0x20
[  428.536025]  ? do_syscall_64+0x1b9/0x820
[  428.540084]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  428.545449]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.550375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.555225]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.560239]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  428.565250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.570870]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.575889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.580750]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  428.586127] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  428.586200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.592963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.592968] Call Trace:
[  428.592987]  dump_stack+0x244/0x39d
[  428.593006]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.599572] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.608860]  warn_alloc.cold.116+0xb7/0x1bd
[  428.611410] syz-executor5 cpuset=syz5 mems_allowed=0
[  428.615168]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.645025]  ? lock_downgrade+0x900/0x900
[  428.649181]  ? trace_hardirqs_off+0xb8/0x310
[  428.653587]  ? trace_hardirqs_off+0xb8/0x310
[  428.657999]  __alloc_pages_slowpath+0x2651/0x2de0
[  428.662862]  ? warn_alloc+0x120/0x120
[  428.666660]  ? warn_alloc+0x120/0x120
[  428.670459]  ? __bfs+0xb0/0x780
[  428.673747]  ? warn_alloc+0x120/0x120
[  428.677543]  ? print_usage_bug+0xc0/0xc0
[  428.681607]  ? print_usage_bug+0xc0/0xc0
[  428.685662]  ? check_usage+0x1aa/0x790
[  428.689543]  ? check_usage+0x1aa/0x790
[  428.693450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.698997]  ? should_fail+0x22d/0xd01
[  428.702886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.707983]  ? __lock_acquire+0x62f/0x4c20
[  428.712215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.717311]  ? __lock_acquire+0x62f/0x4c20
[  428.721544]  ? should_fail+0x22d/0xd01
[  428.725437]  ? mark_held_locks+0x130/0x130
[  428.729689]  ? mark_held_locks+0x130/0x130
[  428.733939]  ? zap_class+0x640/0x640
[  428.737647]  ? ret_from_fork+0x3a/0x50
[  428.741530]  ? __lock_acquire+0x62f/0x4c20
[  428.745761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.751293]  ? check_preemption_disabled+0x48/0x280
[  428.756312]  ? __lock_is_held+0xb5/0x140
[  428.760389]  __alloc_pages_nodemask+0xad8/0xea0
[  428.765053]  ? zap_class+0x640/0x640
[  428.768763]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  428.773784]  ? find_held_lock+0x36/0x1c0
[  428.777847]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.782521]  ? lock_downgrade+0x900/0x900
[  428.786668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.792204]  cache_grow_begin+0xa5/0x8c0
[  428.796263]  ? do_raw_spin_unlock+0xa7/0x330
[  428.800670]  fallback_alloc+0x204/0x2e0
[  428.804646]  ____cache_alloc_node+0x1c7/0x1e0
[  428.809148]  kmem_cache_alloc_node+0xe3/0x730
[  428.813643]  ? mark_held_locks+0xc7/0x130
[  428.817794]  __alloc_skb+0x119/0x770
[  428.821598]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.826001]  ? do_raw_spin_trylock+0x270/0x270
[  428.830582]  ? kmem_cache_alloc_trace+0x353/0x750
[  428.835425]  ? queue_work_on+0x12c/0x1e0
[  428.839500]  ? switchdev_port_obj_del+0xdc/0x440
[  428.844252]  ? switchdev_trans_item_enqueue+0x260/0x260
[  428.849616]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.854634]  __br_mdb_notify+0x4ff/0x15d0
[  428.858775]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.863881]  ? __br_mdb_add+0x7f0/0x7f0
[  428.867853]  ? mark_held_locks+0x130/0x130
[  428.872092]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.877191]  ? debug_object_assert_init+0x368/0x4b0
[  428.882291]  ? debug_object_init_on_stack+0x20/0x20
[  428.887302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.892843]  br_mdb_notify+0x310/0x410
[  428.896739]  ? br_mdb_dump+0x27b0/0x27b0
[  428.900815]  br_multicast_del_pg+0x3df/0x790
[  428.905224]  ? br_mdb_ip_get+0x940/0x940
[  428.909279]  ? rwlock_bug.part.2+0x90/0x90
[  428.913548]  ? __lock_is_held+0xb5/0x140
[  428.917611]  br_multicast_port_group_expired+0x189/0x1e0
[  428.923061]  call_timer_fn+0x272/0x920
[  428.926942]  ? br_multicast_del_pg+0x790/0x790
[  428.931524]  ? process_timeout+0x40/0x40
[  428.935599]  ? __run_timers+0x7da/0xc70
[  428.939568]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.944059]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.948549]  ? br_multicast_del_pg+0x790/0x790
[  428.953125]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.957707]  ? trace_hardirqs_on+0xbd/0x310
[  428.962109]  ? kasan_check_read+0x11/0x20
[  428.966251]  ? __run_timers+0x7da/0xc70
[  428.970219]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.975326]  ? br_multicast_del_pg+0x790/0x790
[  428.979908]  ? br_multicast_del_pg+0x790/0x790
[  428.984487]  __run_timers+0x7e5/0xc70
[  428.988294]  ? timer_fixup_init+0x70/0x70
[  428.992436]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.996935]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.001423]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.006030]  ? trace_hardirqs_on+0xbd/0x310
[  429.010342]  ? kasan_check_read+0x11/0x20
[  429.014486]  ? finish_task_switch+0x1f4/0x910
[  429.018974]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.024068]  ? compat_start_thread+0x80/0x80
[  429.028491]  ? pvclock_read_flags+0x160/0x160
[  429.032974]  ? __switch_to_asm+0x34/0x70
[  429.037031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.042560]  ? check_preemption_disabled+0x48/0x280
[  429.047594]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  429.053120]  ? rcu_pm_notify+0xc0/0xc0
[  429.057003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.062533]  ? check_preemption_disabled+0x48/0x280
[  429.067543]  run_timer_softirq+0x52/0xb0
[  429.071594]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.076598]  __do_softirq+0x308/0xb7e
[  429.080390]  ? retint_kernel+0x2d/0x2d
[  429.084294]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.089406]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.094849]  ? retint_kernel+0x2d/0x2d
[  429.098741]  ? schedule+0x108/0x460
[  429.102384]  ? trace_hardirqs_off+0xb8/0x310
[  429.106784]  ? smpboot_thread_fn+0x68b/0xa00
[  429.111179]  ? trace_hardirqs_on+0x310/0x310
[  429.115583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.121115]  ? check_preemption_disabled+0x48/0x280
[  429.126134]  ? takeover_tasklets+0xa90/0xa90
[  429.130559]  run_ksoftirqd+0x5e/0x100
[  429.134365]  smpboot_thread_fn+0x68b/0xa00
[  429.138596]  ? sort_range+0x30/0x30
[  429.142216]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.147327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.152864]  ? __kthread_parkme+0xfb/0x1a0
[  429.157125]  ? sort_range+0x30/0x30
[  429.160755]  kthread+0x35a/0x440
[  429.164118]  ? kthread_stop+0x900/0x900
[  429.168088]  ret_from_fork+0x3a/0x50
[  429.171805] warn_alloc_show_mem: 1 callbacks suppressed
[  429.171815] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  429.171816] Mem-Info:
[  429.171847] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  429.171847]  active_file:17 inactive_file:17 isolated_file:0
[  429.171847]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.171847]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  429.171847]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  429.171847]  free:13768 free_pcp:279 free_cma:0
[  429.177263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.177270] Call Trace:
[  429.184632] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.187033]  <IRQ>
[  429.220062] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  429.229411]  dump_stack+0x244/0x39d
[  429.231970] lowmem_reserve[]: 0 2818 6321 6321
[  429.259643]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.261763] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  429.287911]  warn_alloc.cold.116+0xb7/0x1bd
[  429.291507] lowmem_reserve[]: 0 0 3503 3503
[  429.296091]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.301251] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  429.328740]  ? lock_downgrade+0x900/0x900
[  429.333042] lowmem_reserve[]: 0 0 0 0
[  429.337356]  ? trace_hardirqs_off+0xb8/0x310
[  429.342164] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  429.371214]  ? trace_hardirqs_off+0xb8/0x310
[  429.375336] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  429.379128]  __alloc_pages_slowpath+0x2651/0x2de0
[  429.383500] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  429.397034]  ? warn_alloc+0x120/0x120
[  429.401396] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.416551]  ? print_usage_bug+0xc0/0xc0
[  429.421369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.436084]  ? warn_alloc+0x120/0x120
[  429.439854] 1758 total pagecache pages
[  429.448678]  ? warn_alloc+0x120/0x120
[  429.452719] 0 pages in swap cache
[  429.461272]  ? print_usage_bug+0xc0/0xc0
[  429.465048] Swap cache stats: add 0, delete 0, find 0/0
[  429.468921]  ? print_usage_bug+0xc0/0xc0
[  429.472688] Free swap  = 0kB
[  429.476125]  ? __lock_acquire+0x62f/0x4c20
[  429.480153] Total swap = 0kB
[  429.485506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.489533] 1965979 pages RAM
[  429.492539]  ? should_fail+0x22d/0xd01
[  429.496752] 0 pages HighMem/MovableOnly
[  429.499758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.505274] 342853 pages reserved
[  429.505282] 0 pages cma reserved
[  429.508376]  ? __lock_acquire+0x62f/0x4c20
[  429.512405] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.516193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.521265] ksoftirqd/0 cpuset=/ mems_allowed=0
[  429.524699]  ? __lock_acquire+0x62f/0x4c20
[  429.524714]  ? should_fail+0x22d/0xd01
[  429.560399]  ? find_held_lock+0x36/0x1c0
[  429.564464]  ? mark_held_locks+0x130/0x130
[  429.568699]  ? mark_held_locks+0x130/0x130
[  429.572930]  ? zap_class+0x640/0x640
[  429.576637]  ? zap_class+0x640/0x640
[  429.580351]  ? print_usage_bug+0xc0/0xc0
[  429.584412]  ? do_raw_spin_unlock+0xa7/0x330
[  429.588814]  ? zap_class+0x640/0x640
[  429.592521]  ? print_usage_bug+0xc0/0xc0
[  429.596576]  ? wq_watchdog_touch+0x9c/0xfe
[  429.600918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.606458]  ? check_preemption_disabled+0x48/0x280
[  429.611491]  ? __lock_is_held+0xb5/0x140
[  429.615555]  __alloc_pages_nodemask+0xad8/0xea0
[  429.620216]  ? zap_class+0x640/0x640
[  429.623935]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  429.628956]  ? find_held_lock+0x36/0x1c0
[  429.633018]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.637679]  ? lock_downgrade+0x900/0x900
[  429.641828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.647365]  cache_grow_begin+0xa5/0x8c0
[  429.651536]  ? do_raw_spin_unlock+0xa7/0x330
[  429.655940]  fallback_alloc+0x204/0x2e0
[  429.659910]  ____cache_alloc_node+0x1c7/0x1e0
[  429.664409]  kmem_cache_alloc_node+0xe3/0x730
[  429.668903]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.673136]  __alloc_skb+0x119/0x770
[  429.676837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.682111]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.686598]  ? lock_downgrade+0x900/0x900
[  429.690745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.696277]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.701726]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.707167]  ? addrconf_rs_timer+0x690/0x690
[  429.711577]  ndisc_alloc_skb+0x144/0x340
[  429.715755]  ndisc_send_rs+0x331/0x6e0
[  429.719644]  addrconf_rs_timer+0x314/0x690
[  429.723874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.728111]  call_timer_fn+0x272/0x920
[  429.731992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.736216]  ? process_timeout+0x40/0x40
[  429.740273]  ? __run_timers+0x7da/0xc70
[  429.744249]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.748732]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.753215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.757447]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.762024]  ? trace_hardirqs_on+0xbd/0x310
[  429.766345]  ? kasan_check_read+0x11/0x20
[  429.770494]  ? __run_timers+0x7da/0xc70
[  429.774466]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.779566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.783797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.788043]  __run_timers+0x7e5/0xc70
[  429.791849]  ? timer_fixup_init+0x70/0x70
[  429.795997]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.801004]  ? zap_class+0x640/0x640
[  429.804717]  ? enqueue_hrtimer+0x1a5/0x560
[  429.808968]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.814159]  ? find_held_lock+0x36/0x1c0
[  429.818217]  ? zap_class+0x640/0x640
[  429.821929]  ? pvclock_read_flags+0x160/0x160
[  429.826422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.831955]  ? check_preemption_disabled+0x48/0x280
[  429.836974]  ? __lock_is_held+0xb5/0x140
[  429.841031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.846562]  ? check_preemption_disabled+0x48/0x280
[  429.851579]  run_timer_softirq+0x52/0xb0
[  429.855634]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.860646]  __do_softirq+0x308/0xb7e
[  429.864442]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.868931]  ? lock_downgrade+0x900/0x900
[  429.873091]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.878207]  ? pvclock_read_flags+0x160/0x160
[  429.882716]  ? lapic_next_event+0x5a/0x90
[  429.886855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.892396]  ? kvm_clock_read+0x18/0x30
[  429.896372]  ? kvm_sched_clock_read+0x9/0x20
[  429.900784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.906329]  ? check_preemption_disabled+0x48/0x280
[  429.911350]  irq_exit+0x17f/0x1c0
[  429.914803]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.919741]  ? smp_reschedule_interrupt+0x109/0x650
[  429.924761]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.930658]  ? interrupt_entry+0xb5/0xc0
[  429.934715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.939723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.944733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.949566]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.954593]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.959618]  ? task_prio+0x50/0x50
[  429.963153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.968688]  ? check_preemption_disabled+0x48/0x280
[  429.973710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.978553]  apic_timer_interrupt+0xf/0x20
[  429.982777]  </IRQ>
[  429.985006] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  429.989932] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  430.008821] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.016521] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.023800] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  430.031065] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  430.038324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.045689] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  430.052976]  skb_clone+0x1bb/0x500
[  430.056519]  ? finish_task_switch+0x2f4/0x910
[  430.061007]  ? skb_split+0x11e0/0x11e0
[  430.064887]  ? preempt_notifier_register+0x200/0x200
[  430.069989]  ? __switch_to_asm+0x34/0x70
[  430.074041]  ? __switch_to_asm+0x34/0x70
[  430.078093]  ? __switch_to_asm+0x40/0x70
[  430.082139]  ? __switch_to_asm+0x34/0x70
[  430.086185]  ? __switch_to_asm+0x40/0x70
[  430.090232]  ? __switch_to_asm+0x34/0x70
[  430.094288]  ? __switch_to_asm+0x40/0x70
[  430.098347]  ? __switch_to_asm+0x34/0x70
[  430.102421]  ? __switch_to_asm+0x34/0x70
[  430.106475]  ? __switch_to_asm+0x40/0x70
[  430.110523]  ? __switch_to_asm+0x34/0x70
[  430.114604]  bpf_clone_redirect+0xb9/0x490
[  430.118843]  ? __schedule+0x8d7/0x21d0
[  430.122830]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  430.127845]  ? __sched_text_start+0x8/0x8
[  430.131985]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.136744]  ? find_held_lock+0x36/0x1c0
[  430.140803]  ? lock_acquire+0x1ed/0x520
[  430.144770]  ? bpf_test_run+0x3ee/0x7a0
[  430.148734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.154260]  ? check_preemption_disabled+0x48/0x280
[  430.159275]  ? kasan_check_read+0x11/0x20
[  430.163413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.168677]  ? rcu_softirq_qs+0x20/0x20
[  430.172653]  ? preempt_schedule+0x4d/0x60
[  430.176790]  ? ___preempt_schedule+0x16/0x18
[  430.181191]  ? bpf_test_run+0x271/0x7a0
[  430.185167]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.189582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.195121]  ? bpf_test_init.isra.10+0x70/0x100
[  430.199805]  ? bpf_prog_test_run_skb+0x762/0xd60
[  430.204557]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.209400]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.214940]  ? fput+0x130/0x1a0
[  430.218214]  ? __bpf_prog_get+0x9b/0x290
[  430.222268]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.227101]  ? bpf_prog_test_run+0x130/0x1a0
[  430.231504]  ? __x64_sys_bpf+0x3d8/0x520
[  430.235556]  ? bpf_prog_get+0x20/0x20
[  430.239371]  ? do_syscall_64+0x1b9/0x820
[  430.243426]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.248794]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.253714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.258549]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.263553]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.268561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.274092]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.279103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.283946]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.289316] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  430.289358] rcu: INFO: rcu_preempt self-detected stall on CPU
[  430.296166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.302341] rcu: 	1-...!: (222 ticks this GP) idle=7de/1/0x4000000000000004 softirq=26255/26365 fqs=0 
[  430.311358] Call Trace:
[  430.311376]  dump_stack+0x244/0x39d
[  430.311392]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.311414]  warn_alloc.cold.116+0xb7/0x1bd
[  430.311429]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.311445]  ? lock_downgrade+0x900/0x900
[  430.311464]  ? trace_hardirqs_off+0xb8/0x310
[  430.311481]  ? trace_hardirqs_off+0xb8/0x310
[  430.321077] rcu: 	 (t=10619 jiffies g=33337 q=67)
[  430.323651]  __alloc_pages_slowpath+0x2651/0x2de0
[  430.327256] rcu: rcu_preempt kthread starved for 10619 jiffies! g33337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  430.332454]  ? warn_alloc+0x120/0x120
[  430.336726] rcu: RCU grace-period kthread stack dump:
[  430.341554]  ? warn_alloc+0x120/0x120
[  430.345675] rcu_preempt     R  running task    22568    10      2 0x80000000
[  430.350066]  ? __bfs+0xb0/0x780
[  430.354446] Call Trace:
[  430.359272]  ? warn_alloc+0x120/0x120
[  430.364189]  __schedule+0x8cf/0x21d0
[  430.374751]  ? print_usage_bug+0xc0/0xc0
[  430.378658]  ? __sched_text_start+0x8/0x8
[  430.383822]  ? print_usage_bug+0xc0/0xc0
[  430.387606]  ? add_timer_on+0xa20/0xa20
[  430.394763]  ? check_usage+0x1aa/0x790
[  430.398023]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.400586]  ? check_usage+0x1aa/0x790
[  430.404360]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.408055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.412090]  ? trace_hardirqs_on+0xbd/0x310
[  430.416213]  ? should_fail+0x22d/0xd01
[  430.420248]  ? kasan_check_read+0x11/0x20
[  430.424344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.428206]  ? prepare_to_swait_event+0x25a/0x800
[  430.433285]  ? __lock_acquire+0x62f/0x4c20
[  430.437156]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.442238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.447952]  schedule+0xfe/0x460
[  430.452262]  ? __lock_acquire+0x62f/0x4c20
[  430.456124]  ? __schedule+0x21d0/0x21d0
[  430.460253]  ? should_fail+0x22d/0xd01
[  430.465342]  ? prepare_to_swait_event+0x25a/0x800
[  430.470168]  ? mark_held_locks+0x130/0x130
[  430.474378]  ? __init_swait_queue_head+0x150/0x150
[  430.479481]  ? mark_held_locks+0x130/0x130
[  430.484559]  ? __lockdep_init_map+0x105/0x590
[  430.487931]  ? zap_class+0x640/0x640
[  430.492139]  ? lockdep_init_map+0x9/0x10
[  430.496088]  ? ret_from_fork+0x3a/0x50
[  430.499975]  schedule_timeout+0x140/0x260
[  430.504793]  ? __lock_acquire+0x62f/0x4c20
[  430.509007]  ? usleep_range+0x1a0/0x1a0
[  430.513913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.518124]  ? __next_timer_interrupt+0x1a0/0x1a0
[  430.522597]  ? check_preemption_disabled+0x48/0x280
[  430.526314]  rcu_gp_fqs_loop+0x762/0xa80
[  430.530357]  ? __lock_is_held+0xb5/0x140
[  430.534233]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  430.538357]  __alloc_pages_nodemask+0xad8/0xea0
[  430.542569]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.546518]  ? zap_class+0x640/0x640
[  430.552033]  ? perf_trace_sched_process_exec+0x860/0x860
[  430.556852]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.561842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.565886]  ? find_held_lock+0x36/0x1c0
[  430.569924]  ? rcu_gp_init+0x90b/0x1260
[  430.574677]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.579322]  ? __switch_to_asm+0x40/0x70
[  430.584405]  ? lock_downgrade+0x900/0x900
[  430.588096]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  430.593636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.598625]  ? __switch_to_asm+0x40/0x70
[  430.604142]  cache_grow_begin+0xa5/0x8c0
[  430.608180]  ? find_held_lock+0x36/0x1c0
[  430.612133]  ? do_raw_spin_unlock+0xa7/0x330
[  430.617342]  ? zap_class+0x640/0x640
[  430.621390]  fallback_alloc+0x204/0x2e0
[  430.625515]  ? prepare_to_swait_event+0x25a/0x800
[  430.630249]  ____cache_alloc_node+0x1c7/0x1e0
[  430.635759]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.639800]  kmem_cache_alloc_node+0xe3/0x730
[  430.643840]  ? find_held_lock+0x36/0x1c0
[  430.647898]  ? mark_held_locks+0xc7/0x130
[  430.652285]  ? finish_swait+0x25d/0x430
[  430.655989]  __alloc_skb+0x119/0x770
[  430.659933]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.664756]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.669223]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.674325]  ? do_raw_spin_trylock+0x270/0x270
[  430.678793]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.682831]  ? kmem_cache_alloc_trace+0x353/0x750
[  430.686954]  ? trace_hardirqs_on+0xbd/0x310
[  430.690992]  ? queue_work_on+0x12c/0x1e0
[  430.694680]  ? kasan_check_read+0x11/0x20
[  430.699760]  ? switchdev_port_obj_del+0xdc/0x440
[  430.704146]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.709238]  ? switchdev_trans_item_enqueue+0x260/0x260
[  430.713808]  ? __init_swait_queue_head+0x150/0x150
[  430.718378]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.723200]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.727501]  __br_mdb_notify+0x4ff/0x15d0
[  430.731553]  ? finish_swait+0x25d/0x430
[  430.735679]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.740415]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.745513]  ? __br_mdb_add+0x7f0/0x7f0
[  430.750857]  ? swake_up_locked+0x360/0x360
[  430.755766]  ? mark_held_locks+0x130/0x130
[  430.760764]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.765847]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.769976]  ? perf_trace_sched_process_exec+0x860/0x860
[  430.773948]  ? debug_object_assert_init+0x368/0x4b0
[  430.779027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.783591]  ? debug_object_init_on_stack+0x20/0x20
[  430.787549]  rcu_gp_kthread+0x341/0xc70
[  430.791758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.795985]  ? rcu_gp_init+0x1260/0x1260
[  430.801067]  br_mdb_notify+0x310/0x410
[  430.806144]  ? mark_held_locks+0x130/0x130
[  430.811579]  ? br_mdb_dump+0x27b0/0x27b0
[  430.816576]  ? __schedule+0x168a/0x21d0
[  430.822108]  br_multicast_del_pg+0x3df/0x790
[  430.827094]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.831051]  ? br_mdb_ip_get+0x940/0x940
[  430.836579]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.840620]  ? rwlock_bug.part.2+0x90/0x90
[  430.844491]  ? trace_hardirqs_on+0xbd/0x310
[  430.848809]  ? __lock_is_held+0xb5/0x140
[  430.852857]  ? kasan_check_read+0x11/0x20
[  430.856816]  br_multicast_port_group_expired+0x189/0x1e0
[  430.861198]  ? __schedule+0x168a/0x21d0
[  430.865675]  call_timer_fn+0x272/0x920
[  430.869715]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.874291]  ? br_multicast_del_pg+0x790/0x790
[  430.878499]  ? lock_pin_lock+0x350/0x350
[  430.882803]  ? process_timeout+0x40/0x40
[  430.886847]  ? _raw_spin_unlock_irq+0x60/0x80
[  430.890977]  ? __run_timers+0x7da/0xc70
[  430.896404]  ? __schedule+0x168a/0x21d0
[  430.900368]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.904235]  ? __switch_to_asm+0x40/0x70
[  430.909319]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.913877]  ? __switch_to_asm+0x40/0x70
[  430.917918]  ? br_multicast_del_pg+0x790/0x790
[  430.921960]  ? show_schedstat+0xd41/0xf30
[  430.926433]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.930386]  ? __sched_text_start+0x8/0x8
[  430.934340]  ? trace_hardirqs_on+0xbd/0x310
[  430.938819]  ? find_held_lock+0x36/0x1c0
[  430.942854]  ? kasan_check_read+0x11/0x20
[  430.947332]  ? __kthread_parkme+0xce/0x1a0
[  430.951368]  ? __run_timers+0x7da/0xc70
[  430.955945]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.960087]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.964649]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.968781]  ? br_multicast_del_pg+0x790/0x790
[  430.973082]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.977122]  ? br_multicast_del_pg+0x790/0x790
[  430.981247]  ? trace_hardirqs_on+0xbd/0x310
[  430.985471]  __run_timers+0x7e5/0xc70
[  430.989422]  ? kasan_check_read+0x11/0x20
[  430.994528]  ? timer_fixup_init+0x70/0x70
[  430.999607]  ? __kthread_parkme+0xce/0x1a0
[  431.004697]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.009264]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.013824]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.018395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.022696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.026476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.030598]  ? trace_hardirqs_on+0xbd/0x310
[  431.034733]  ? __kthread_parkme+0xfb/0x1a0
[  431.038943]  ? kasan_check_read+0x11/0x20
[  431.043412]  ? rcu_gp_init+0x1260/0x1260
[  431.048499]  ? finish_task_switch+0x1f4/0x910
[  431.052970]  kthread+0x35a/0x440
[  431.058048]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.062609]  ? kthread_stop+0x900/0x900
[  431.068121]  ? compat_start_thread+0x80/0x80
[  431.072419]  ret_from_fork+0x3a/0x50
[  431.076647]  ? pvclock_read_flags+0x160/0x160
[  431.080767] Sending NMI from CPU 1 to CPUs 0:
[  431.084782]  ? __switch_to_asm+0x34/0x70
[  431.084798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.091658] NMI backtrace for cpu 0
[  431.091664] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  431.091671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.091675] RIP: 0010:do_raw_spin_unlock+0x132/0x330
[  431.091686] Code: 00 00 00 fc ff df 41 c6 04 04 f8 0f 84 86 01 00 00 4c 8d 73 10 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 <0f> 85 c6 01 00 00 65 48 8b 04 25 40 ee 01 00 48 39 43 10 0f 85 ef
[  431.091690] RSP: 0000:ffff8881d9afe1c0 EFLAGS: 00000046
[  431.091698] RAX: dffffc0000000000 RBX: ffffffff895918a0 RCX: ffffffff8162e577
[  431.091704] RDX: 1ffffffff12b2316 RSI: 0000000000000004 RDI: ffffffff895918a0
[  431.091709] RBP: ffff8881d9afe248 R08: fffffbfff12b2315 R09: fffffbfff12b2314
[  431.091714] R10: fffffbfff12b2314 R11: ffffffff895918a3 R12: 1ffff1103b35fc3c
[  431.091719] R13: 1ffff1103b35fc38 R14: ffffffff895918b0 R15: ffff8881d9afe220
[  431.091725] FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
[  431.091730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  431.091735] CR2: 00007f6e41d7d1d3 CR3: 00000001bdfcb000 CR4: 00000000001406f0
[  431.091740] DR0: c000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  431.091745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[  431.091748] Call Trace:
[  431.091752]  ? do_raw_spin_trylock+0x270/0x270
[  431.091756]  ? memcpy+0x45/0x50
[  431.091759]  ? msg_print_text+0x19a/0x1d0
[  431.091763]  _raw_spin_unlock+0x22/0x50
[  431.091771]  console_unlock+0x590/0x1190
[  431.091775]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  431.091779]  ? lock_release+0xa00/0xa00
[  431.091783]  ? trace_hardirqs_off+0xb8/0x310
[  431.091787]  ? do_raw_spin_trylock+0x270/0x270
[  431.091791]  ? trace_hardirqs_on+0x310/0x310
[  431.091795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.091799]  vprintk_emit+0x391/0x990
[  431.091803]  ? wake_up_klogd+0x180/0x180
[  431.091807]  ? find_held_lock+0x36/0x1c0
[  431.091811]  ? is_bpf_text_address+0xac/0x170
[  431.091815]  ? lock_downgrade+0x900/0x900
[  431.091819]  ? check_preemption_disabled+0x48/0x280
[  431.091822]  vprintk_default+0x28/0x30
[  431.091826]  vprintk_func+0x7e/0x181
[  431.091830]  ? unwind_dump+0x190/0x190
[  431.091833]  printk+0xa7/0xcf
[  431.091837]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  431.091841]  ? is_bpf_text_address+0xd3/0x170
[  431.091845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.091849]  show_trace_log_lvl+0x23a/0x28c
[  431.091854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.091857]  ? run_timer_softirq+0x52/0xb0
[  431.091861]  show_stack+0x38/0x3a
[  431.091864]  dump_stack+0x244/0x39d
[  431.091868]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.091872]  warn_alloc.cold.116+0xb7/0x1bd
[  431.091876]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.091880]  ? lock_downgrade+0x900/0x900
[  431.091884]  ? trace_hardirqs_off+0xb8/0x310
[  431.091888]  ? trace_hardirqs_off+0xb8/0x310
[  431.091892]  __alloc_pages_slowpath+0x2651/0x2de0
[  431.091896]  ? warn_alloc+0x120/0x120
[  431.091900]  ? warn_alloc+0x120/0x120
[  431.091903]  ? __bfs+0xb0/0x780
[  431.091907]  ? warn_alloc+0x120/0x120
[  431.091910]  ? print_usage_bug+0xc0/0xc0
[  431.091914]  ? print_usage_bug+0xc0/0xc0
[  431.091918]  ? check_usage+0x1aa/0x790
[  431.091921]  ? check_usage+0x1aa/0x790
[  431.091926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.091929]  ? should_fail+0x22d/0xd01
[  431.091934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.091937]  ? __lock_acquire+0x62f/0x4c20
[  431.091942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.091945]  ? __lock_acquire+0x62f/0x4c20
[  431.091949]  ? should_fail+0x22d/0xd01
[  431.091953]  ? mark_held_locks+0x130/0x130
[  431.091957]  ? mark_held_locks+0x130/0x130
[  431.091960]  ? zap_class+0x640/0x640
[  431.091964]  ? ret_from_fork+0x3a/0x50
[  431.091968]  ? __lock_acquire+0x62f/0x4c20
[  431.091972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.091976]  ? check_preemption_disabled+0x48/0x280
[  431.091980]  ? __lock_is_held+0xb5/0x140
[  431.091984]  __alloc_pages_nodemask+0xad8/0xea0
[  431.091988]  ? zap_class+0x640/0x640
[  431.091992]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  431.091996]  ? find_held_lock+0x36/0x1c0
[  431.092000]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.092004]  ? lock_downgrade+0x900/0x900
[  431.092008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.092012]  cache_grow_begin+0xa5/0x8c0
[  431.092016]  ? do_raw_spin_unlock+0xa7/0x330
[  431.092019]  fallback_alloc+0x204/0x2e0
[  431.092023]  ____cache_alloc_node+0x1c7/0x1e0
[  431.092027]  kmem_cache_alloc_node+0xe3/0x730
[  431.092031]  ? mark_held_locks+0xc7/0x130
[  431.092035]  __alloc_skb+0x119/0x770
[  431.092039]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.092043]  ? do_raw_spin_trylock+0x270/0x270
[  431.092047]  ? kmem_cache_alloc_trace+0x353/0x750
[  431.092051]  ? queue_work_on+0x12c/0x1e0
[  431.092055]  ? switchdev_port_obj_del+0xdc/0x440
[  431.092059]  ? switchdev_trans_item_enqueue+0x260/0x260
[  431.092063]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.092067]  __br_mdb_notify+0x4ff/0x15d0
[  431.092072]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.092075]  ? __br_mdb_add+0x7f0/0x7f0
[  431.092079]  ? mark_held_locks+0x130/0x130
[  431.092083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.092088]  ? debug_object_assert_init+0x368/0x4b0
[  431.092092]  ? debug_object_init_on_stack+0x20/0x20
[  431.092096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.092100]  br_mdb_notify+0x310/0x410
[  431.092103]  ? br_mdb_dump+0x27b0/0x27b0
[  431.092107]  br_multicast_del_pg+0x3df/0x790
[  431.092111]  ? br_mdb_ip_get+0x940/0x940
[  431.092115]  ? rwlock_bug.part.2+0x90/0x90
[  431.092118]  ? __lock_is_held+0xb5/0x140
[  431.092123]  br_multicast_port_group_expired+0x189/0x1e0
[  431.092126]  call_timer_fn+0x272/0x920
[  431.092130]  ? br_multicast_del_pg+0x790/0x790
[  431.092134]  ? process_timeout+0x40/0x40
[  431.092138]  ? __run_timers+0x7da/0xc70
[  431.092142]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.092146]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.092150]  ? br_multicast_del_pg+0x790/0x790
[  431.092154]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.092158]  ? trace_hardirqs_on+0xbd/0x310
[  431.092162]  ? kasan_check_read+0x11/0x20
[  431.092165]  ? __run_timers+0x7da/0xc70
[  431.092170]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.092174]  ? br_multicast_del_pg+0x790/0x790
[  431.092177]  ? br_multicast_del_pg+0x790/0x790
[  431.092181]  __run_timers+0x7e5/0xc70
[  431.092185]  ? timer_fixup_init+0x70/0x70
[  431.092189]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.092193]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.092197]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.092200]  ? trace_hardirqs_on+0xbd/0x310
[  431.092204]  ? kasan_check_read+0x11/0x20
[  431.092208]  ? finish_task_switch+0x1f4/0x910
[  431.092212]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.092216]  ? compat_start_thread+0x80/0x80
[  431.092220]  ? pvclock_read_flags+0x160/0x160
[  431.092224]  ? __switch_to_asm+0x34/0x70
[  431.092228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.092232]  ? check_preemption_disabled+0x48/0x280
[  431.092237]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  431.092240]  ? rcu_pm_notify+0xc0/0xc0
[  431.092245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.092256]  ? check_preemption_disabled+0x48/0x280
[  431.092260]  run_timer_softirq+0x52/0xb0
[  431.092264]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.092268]  __do_softirq+0x308/0xb7e
[  431.092273]  ? retint_kernel+0x2d/0x2d
[  431.092277]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.092282]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.092286]  ? retint_kernel+0x2d/0x2d
[  431.092289]  ? schedule+0x108/0x460
[  431.092293]  ? trace_hardirqs_off+0xb8/0x310
[  431.092297]  ? smpboot_thread_fn+0x68b/0xa00
[  431.092301]  ? trace_hardirqs_on+0x310/0x310
[  431.092306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.092310]  ? check_preemption_disabled+0x48/0x280
[  431.092314]  ? takeover_tasklets+0xa90/0xa90
[  431.092318]  run_ksoftirqd+0x5e/0x100
[  431.092322]  smpboot_thread_fn+0x68b/0xa00
[  431.092325]  ? sort_range+0x30/0x30
[  431.092329]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.092334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.092338]  ? __kthread_parkme+0xfb/0x1a0
[  431.092341]  ? sort_range+0x30/0x30
[  431.092345]  kthread+0x35a/0x440
[  431.092348]  ? kthread_stop+0x900/0x900
[  431.092352]  ret_from_fork+0x3a/0x50
[  431.092359] NMI backtrace for cpu 1
[  431.094234]  ? check_preemption_disabled+0x48/0x280
[  431.924792]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  431.930330]  ? rcu_pm_notify+0xc0/0xc0
[  431.934217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.939749]  ? check_preemption_disabled+0x48/0x280
[  431.944762]  run_timer_softirq+0x52/0xb0
[  431.948817]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.953827]  __do_softirq+0x308/0xb7e
[  431.957625]  ? retint_kernel+0x2d/0x2d
[  431.961509]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.966607]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.972067]  ? retint_kernel+0x2d/0x2d
[  431.975955]  ? schedule+0x108/0x460
[  431.979586]  ? trace_hardirqs_off+0xb8/0x310
[  431.983987]  ? smpboot_thread_fn+0x68b/0xa00
[  431.988390]  ? trace_hardirqs_on+0x310/0x310
[  431.992793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.998321]  ? check_preemption_disabled+0x48/0x280
[  432.003327]  ? takeover_tasklets+0xa90/0xa90
[  432.007729]  run_ksoftirqd+0x5e/0x100
[  432.011524]  smpboot_thread_fn+0x68b/0xa00
[  432.015754]  ? sort_range+0x30/0x30
[  432.019383]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.024480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.030033]  ? __kthread_parkme+0xfb/0x1a0
[  432.034258]  ? sort_range+0x30/0x30
[  432.037891]  kthread+0x35a/0x440
[  432.041262]  ? kthread_stop+0x900/0x900
[  432.045232]  ret_from_fork+0x3a/0x50
[  432.048957] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  432.048961] warn_alloc_show_mem: 1 callbacks suppressed
[  432.048967] Mem-Info:
[  432.056314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.061681] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  432.061681]  active_file:17 inactive_file:17 isolated_file:0
[  432.061681]  unevictable:0 dirty:0 writeback:0 unstable:0
[  432.061681]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  432.061681]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  432.061681]  free:13768 free_pcp:279 free_cma:0
[  432.064051] Call Trace:
[  432.073420] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  432.106442]  <IRQ>
[  432.109014] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  432.136671]  dump_stack+0x244/0x39d
[  432.138786] lowmem_reserve[]: 0 2818 6321 6321
[  432.164883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.168475] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  432.173043]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.178199] lowmem_reserve[]: 0 0 3503 3503
[  432.205595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.210580] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  432.214891]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  432.220394] lowmem_reserve[]: 0 0 0 0
[  432.249360]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  432.254000] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  432.257789]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  432.262946] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  432.276460]  arch_trigger_cpumask_backtrace+0x14/0x20
[  432.281708] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  432.296867]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  432.302034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.316757]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  432.321147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.329964]  ? print_other_cpu_stall+0x160/0x160
[  432.334693] 1758 total pagecache pages
[  432.343256]  ? print_usage_bug+0xc0/0xc0
[  432.348002] 0 pages in swap cache
[  432.351872]  ? kasan_check_read+0x11/0x20
[  432.356012] Swap cache stats: add 0, delete 0, find 0/0
[  432.359450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.363570] Free swap  = 0kB
[  432.368918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.374434] Total swap = 0kB
[  432.377442]  ? do_trace_rcu_torture_read+0x10/0x10
[  432.382958] 1965979 pages RAM
[  432.385965]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  432.390861] 0 pages HighMem/MovableOnly
[  432.393952]  ? __lock_is_held+0xb5/0x140
[  432.399191] 342853 pages reserved
[  432.399198] 0 pages cma reserved
[  432.403163]  ? __rcu_read_lock+0x50/0x50
[  432.407472] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.586 msecs
[  432.410625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.410640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.414128] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.418040]  ? check_preemption_disabled+0x48/0x280
[  432.426496] ksoftirqd/0 cpuset=/ mems_allowed=0
[  432.432022]  rcu_check_callbacks+0xf3b/0x13f0
[  432.462450]  ? rcutree_dead_cpu+0x10/0x10
[  432.466598]  ? lock_downgrade+0x900/0x900
[  432.470747]  ? lock_release+0x9c0/0xa00
[  432.474727]  ? zap_class+0x640/0x640
[  432.478435]  ? zap_class+0x640/0x640
[  432.482153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.487689]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  432.492270]  ? kvm_set_tsc_khz+0x540/0x540
[  432.496500]  ? warn_alloc.cold.116+0xd1/0x1bd
[  432.501099]  ? find_held_lock+0x36/0x1c0
[  432.505169]  ? zap_class+0x640/0x640
[  432.508878]  ? timekeeping_advance+0x3cc/0xc00
[  432.513457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.518996]  ? check_preemption_disabled+0x48/0x280
[  432.524017]  ? trace_hardirqs_off+0xb8/0x310
[  432.528425]  ? __lock_is_held+0xb5/0x140
[  432.532485]  ? trace_hardirqs_on+0x310/0x310
[  432.536893]  ? check_preemption_disabled+0x48/0x280
[  432.541910]  ? raise_softirq+0x199/0x420
[  432.545967]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  432.550632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.556172]  ? check_preemption_disabled+0x48/0x280
[  432.561192]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.566722]  ? hrtimer_run_queues+0x9a/0x400
[  432.571220]  ? run_local_timers+0x19b/0x230
[  432.575536]  ? timer_clear_idle+0x90/0x90
[  432.579683]  ? debug_smp_processor_id+0x1c/0x20
[  432.584354]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  432.590325]  ? account_process_tick+0x282/0x350
[  432.594994]  update_process_times+0x2d/0x70
[  432.599312]  tick_sched_handle+0x9f/0x180
[  432.603457]  tick_sched_timer+0x45/0x130
[  432.607516]  __hrtimer_run_queues+0x41c/0x10d0
[  432.612098]  ? tick_sched_do_timer+0x1a0/0x1a0
[  432.617222]  ? hrtimer_start_range_ns+0xe00/0xe00
[  432.622072]  ? pvclock_read_flags+0x160/0x160
[  432.626568]  ? trace_hardirqs_on+0x310/0x310
[  432.630972]  ? zap_class+0x640/0x640
[  432.634693]  ? kvm_clock_read+0x18/0x30
[  432.638666]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.643678]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  432.649042]  ? do_timer+0x50/0x50
[  432.652491]  ? rwlock_bug.part.2+0x90/0x90
[  432.656717]  ? trace_hardirqs_on+0x310/0x310
[  432.661123]  ? rcu_softirq_qs+0x20/0x20
[  432.665100]  hrtimer_interrupt+0x313/0x780
[  432.669373]  smp_apic_timer_interrupt+0x1a1/0x760
[  432.674328]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.680305]  ? interrupt_entry+0xb5/0xc0
[  432.684360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.689381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.694044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.698881]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.703901]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.708749]  apic_timer_interrupt+0xf/0x20
[  432.712981] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  432.718342] Code: 3f 7e 0f 85 32 ff ff ff e8 f5 0a 3e ff e9 28 ff ff ff e8 1c 3a c3 ff 48 83 3d b4 8e 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  432.737235] RSP: 0000:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  432.744938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1103a9fcd59
[  432.752201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  432.759476] RBP: ffff8881daf074c0 R08: ffff8881d4fe6ac8 R09: 0000000000000002
[  432.766740] R10: 0000000000000000 R11: ffff8881d4fe6200 R12: ffff8881d9bee600
[  432.774002] R13: ffff8881d9bee600 R14: 0000000000000000 R15: 0000000000000286
[  432.781286]  ? apic_timer_interrupt+0xa/0x20
[  432.785705]  ? ipv6_get_ifaddr+0x42e/0x620
[  432.789952]  __alloc_skb+0x119/0x770
[  432.793661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.798937]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.803355]  ? lock_downgrade+0x900/0x900
[  432.807507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.813036]  ? refcount_sub_and_test_checked+0x203/0x310
[  432.818486]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  432.823930]  ? addrconf_rs_timer+0x690/0x690
[  432.828361]  ndisc_alloc_skb+0x144/0x340
[  432.832417]  ndisc_send_rs+0x331/0x6e0
[  432.836300]  addrconf_rs_timer+0x314/0x690
[  432.840531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.844777]  call_timer_fn+0x272/0x920
[  432.848656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.852905]  ? process_timeout+0x40/0x40
[  432.856967]  ? __run_timers+0x7da/0xc70
[  432.860938]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.865425]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.869907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.874140]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.878721]  ? trace_hardirqs_on+0xbd/0x310
[  432.883035]  ? kasan_check_read+0x11/0x20
[  432.887176]  ? __run_timers+0x7da/0xc70
[  432.891141]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.896243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.900476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.904707]  __run_timers+0x7e5/0xc70
[  432.908512]  ? timer_fixup_init+0x70/0x70
[  432.912657]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.917669]  ? zap_class+0x640/0x640
[  432.921380]  ? enqueue_hrtimer+0x1a5/0x560
[  432.925615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.930803]  ? find_held_lock+0x36/0x1c0
[  432.934859]  ? zap_class+0x640/0x640
[  432.938583]  ? pvclock_read_flags+0x160/0x160
[  432.943101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.948635]  ? check_preemption_disabled+0x48/0x280
[  432.953650]  ? __lock_is_held+0xb5/0x140
[  432.957704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.963236]  ? check_preemption_disabled+0x48/0x280
[  432.968253]  run_timer_softirq+0x52/0xb0
[  432.972310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.977319]  __do_softirq+0x308/0xb7e
[  432.981118]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.985611]  ? lock_downgrade+0x900/0x900
[  432.989870]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.994974]  ? pvclock_read_flags+0x160/0x160
[  432.999469]  ? lapic_next_event+0x5a/0x90
[  433.003619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.009158]  ? kvm_clock_read+0x18/0x30
[  433.013127]  ? kvm_sched_clock_read+0x9/0x20
[  433.017554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.023094]  ? check_preemption_disabled+0x48/0x280
[  433.028123]  irq_exit+0x17f/0x1c0
[  433.031573]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.036417]  ? smp_reschedule_interrupt+0x109/0x650
[  433.041445]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.047327]  ? interrupt_entry+0xb5/0xc0
[  433.051384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.056393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.061419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.066344]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.071357]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.076366]  ? task_prio+0x50/0x50
[  433.079903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.085436]  ? check_preemption_disabled+0x48/0x280
[  433.090460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.095306]  apic_timer_interrupt+0xf/0x20
[  433.099528]  </IRQ>
[  433.101760] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  433.106689] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  433.125583] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.133285] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.140543] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  433.147800] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  433.155073] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  433.162347] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  433.169649]  skb_clone+0x1bb/0x500
[  433.173184]  ? finish_task_switch+0x2f4/0x910
[  433.177680]  ? skb_split+0x11e0/0x11e0
[  433.181570]  ? preempt_notifier_register+0x200/0x200
[  433.186672]  ? __switch_to_asm+0x34/0x70
[  433.190727]  ? __switch_to_asm+0x34/0x70
[  433.194779]  ? __switch_to_asm+0x40/0x70
[  433.198837]  ? __switch_to_asm+0x34/0x70
[  433.202894]  ? __switch_to_asm+0x40/0x70
[  433.206948]  ? __switch_to_asm+0x34/0x70
[  433.211002]  ? __switch_to_asm+0x40/0x70
[  433.215053]  ? __switch_to_asm+0x34/0x70
[  433.219119]  ? __switch_to_asm+0x34/0x70
[  433.223188]  ? __switch_to_asm+0x40/0x70
[  433.227275]  ? __switch_to_asm+0x34/0x70
[  433.231336]  bpf_clone_redirect+0xb9/0x490
[  433.235565]  ? __schedule+0x8d7/0x21d0
[  433.239458]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  433.244479]  ? __sched_text_start+0x8/0x8
[  433.248654]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  433.253413]  ? find_held_lock+0x36/0x1c0
[  433.257493]  ? lock_acquire+0x1ed/0x520
[  433.261466]  ? bpf_test_run+0x3ee/0x7a0
[  433.265437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.270970]  ? check_preemption_disabled+0x48/0x280
[  433.275985]  ? kasan_check_read+0x11/0x20
[  433.280143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.285500]  ? rcu_softirq_qs+0x20/0x20
[  433.289481]  ? preempt_schedule+0x4d/0x60
[  433.293626]  ? ___preempt_schedule+0x16/0x18
[  433.298043]  ? bpf_test_run+0x271/0x7a0
[  433.302026]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.306440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.311970]  ? bpf_test_init.isra.10+0x70/0x100
[  433.316639]  ? bpf_prog_test_run_skb+0x762/0xd60
[  433.321406]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.326264]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.331798]  ? fput+0x130/0x1a0
[  433.335083]  ? __bpf_prog_get+0x9b/0x290
[  433.339146]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.343986]  ? bpf_prog_test_run+0x130/0x1a0
[  433.348389]  ? __x64_sys_bpf+0x3d8/0x520
[  433.352444]  ? bpf_prog_get+0x20/0x20
[  433.356260]  ? do_syscall_64+0x1b9/0x820
[  433.360313]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.365673]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.370594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.375463]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.380472]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  433.385480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.391008]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.396022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.400868]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.406238] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  433.406250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.413161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.422417] Call Trace:
[  433.422437]  dump_stack+0x244/0x39d
[  433.422458]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.428984] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.431508]  warn_alloc.cold.116+0xb7/0x1bd
[  433.435100] syz-executor5 cpuset=syz5 mems_allowed=0
[  433.440279]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.465066]  ? lock_downgrade+0x900/0x900
[  433.469218]  ? trace_hardirqs_off+0xb8/0x310
[  433.473625]  ? trace_hardirqs_off+0xb8/0x310
[  433.478044]  __alloc_pages_slowpath+0x2651/0x2de0
[  433.482996]  ? warn_alloc+0x120/0x120
[  433.487320]  ? warn_alloc+0x120/0x120
[  433.491116]  ? __bfs+0xb0/0x780
[  433.494392]  ? warn_alloc+0x120/0x120
[  433.498195]  ? print_usage_bug+0xc0/0xc0
[  433.502257]  ? print_usage_bug+0xc0/0xc0
[  433.506310]  ? check_usage+0x1aa/0x790
[  433.510194]  ? check_usage+0x1aa/0x790
[  433.514084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.519621]  ? should_fail+0x22d/0xd01
[  433.523507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.528605]  ? __lock_acquire+0x62f/0x4c20
[  433.532837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.537934]  ? __lock_acquire+0x62f/0x4c20
[  433.542163]  ? should_fail+0x22d/0xd01
[  433.546073]  ? mark_held_locks+0x130/0x130
[  433.550308]  ? mark_held_locks+0x130/0x130
[  433.554546]  ? zap_class+0x640/0x640
[  433.558259]  ? ret_from_fork+0x3a/0x50
[  433.562143]  ? __lock_acquire+0x62f/0x4c20
[  433.566378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.571916]  ? check_preemption_disabled+0x48/0x280
[  433.576963]  ? __lock_is_held+0xb5/0x140
[  433.581033]  __alloc_pages_nodemask+0xad8/0xea0
[  433.585699]  ? zap_class+0x640/0x640
[  433.589415]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  433.594436]  ? find_held_lock+0x36/0x1c0
[  433.598500]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.603164]  ? lock_downgrade+0x900/0x900
[  433.607312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.612847]  cache_grow_begin+0xa5/0x8c0
[  433.616905]  ? do_raw_spin_unlock+0xa7/0x330
[  433.621315]  fallback_alloc+0x204/0x2e0
[  433.625289]  ____cache_alloc_node+0x1c7/0x1e0
[  433.629784]  kmem_cache_alloc_node+0xe3/0x730
[  433.634276]  ? mark_held_locks+0xc7/0x130
[  433.638428]  __alloc_skb+0x119/0x770
[  433.642142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.646554]  ? do_raw_spin_trylock+0x270/0x270
[  433.651133]  ? kmem_cache_alloc_trace+0x353/0x750
[  433.655974]  ? queue_work_on+0x12c/0x1e0
[  433.660045]  ? switchdev_port_obj_del+0xdc/0x440
[  433.664794]  ? switchdev_trans_item_enqueue+0x260/0x260
[  433.670155]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.675171]  __br_mdb_notify+0x4ff/0x15d0
[  433.679312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.684416]  ? __br_mdb_add+0x7f0/0x7f0
[  433.688387]  ? mark_held_locks+0x130/0x130
[  433.692621]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.697720]  ? debug_object_assert_init+0x368/0x4b0
[  433.702738]  ? debug_object_init_on_stack+0x20/0x20
[  433.707837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.713372]  br_mdb_notify+0x310/0x410
[  433.717255]  ? br_mdb_dump+0x27b0/0x27b0
[  433.721330]  br_multicast_del_pg+0x3df/0x790
[  433.725740]  ? br_mdb_ip_get+0x940/0x940
[  433.729797]  ? rwlock_bug.part.2+0x90/0x90
[  433.734053]  ? __lock_is_held+0xb5/0x140
[  433.738119]  br_multicast_port_group_expired+0x189/0x1e0
[  433.743569]  call_timer_fn+0x272/0x920
[  433.747455]  ? br_multicast_del_pg+0x790/0x790
[  433.752046]  ? process_timeout+0x40/0x40
[  433.756113]  ? __run_timers+0x7da/0xc70
[  433.760084]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.764574]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.769067]  ? br_multicast_del_pg+0x790/0x790
[  433.773647]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.778224]  ? trace_hardirqs_on+0xbd/0x310
[  433.782537]  ? kasan_check_read+0x11/0x20
[  433.786680]  ? __run_timers+0x7da/0xc70
[  433.790650]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.795752]  ? br_multicast_del_pg+0x790/0x790
[  433.800334]  ? br_multicast_del_pg+0x790/0x790
[  433.804906]  __run_timers+0x7e5/0xc70
[  433.808709]  ? timer_fixup_init+0x70/0x70
[  433.812848]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.817339]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.821834]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.826412]  ? trace_hardirqs_on+0xbd/0x310
[  433.830732]  ? kasan_check_read+0x11/0x20
[  433.834884]  ? finish_task_switch+0x1f4/0x910
[  433.839384]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.844483]  ? compat_start_thread+0x80/0x80
[  433.848909]  ? pvclock_read_flags+0x160/0x160
[  433.853401]  ? __switch_to_asm+0x34/0x70
[  433.857457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.862993]  ? check_preemption_disabled+0x48/0x280
[  433.868039]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  433.873577]  ? rcu_pm_notify+0xc0/0xc0
[  433.877459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.882994]  ? check_preemption_disabled+0x48/0x280
[  433.888037]  run_timer_softirq+0x52/0xb0
[  433.892094]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.897106]  __do_softirq+0x308/0xb7e
[  433.900918]  ? retint_kernel+0x2d/0x2d
[  433.904803]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.909900]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  433.915458]  ? retint_kernel+0x2d/0x2d
[  433.919349]  ? schedule+0x108/0x460
[  433.922980]  ? trace_hardirqs_off+0xb8/0x310
[  433.927394]  ? smpboot_thread_fn+0x68b/0xa00
[  433.931798]  ? trace_hardirqs_on+0x310/0x310
[  433.936201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.941733]  ? check_preemption_disabled+0x48/0x280
[  433.946746]  ? takeover_tasklets+0xa90/0xa90
[  433.951151]  run_ksoftirqd+0x5e/0x100
[  433.954950]  smpboot_thread_fn+0x68b/0xa00
[  433.959182]  ? sort_range+0x30/0x30
[  433.962805]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.967906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.973437]  ? __kthread_parkme+0xfb/0x1a0
[  433.977673]  ? sort_range+0x30/0x30
[  433.981310]  kthread+0x35a/0x440
[  433.984672]  ? kthread_stop+0x900/0x900
[  433.988658]  ret_from_fork+0x3a/0x50
[  433.992385] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  433.992387] Mem-Info:
[  433.992418] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  433.992418]  active_file:17 inactive_file:17 isolated_file:0
[  433.992418]  unevictable:0 dirty:0 writeback:0 unstable:0
[  433.992418]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  433.992418]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  433.992418]  free:13768 free_pcp:279 free_cma:0
[  433.999746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.999753] Call Trace:
[  434.002184] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  434.035192]  <IRQ>
[  434.044634] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  434.047214]  dump_stack+0x244/0x39d
[  434.074852] lowmem_reserve[]: 0 2818 6321 6321
[  434.077004]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.103097] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  434.106725]  warn_alloc.cold.116+0xb7/0x1bd
[  434.111271] lowmem_reserve[]: 0 0 3503 3503
[  434.116452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.143831] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  434.148158]  ? lock_downgrade+0x900/0x900
[  434.152535] lowmem_reserve[]: 0 0 0 0
[  434.157402]  ? trace_hardirqs_off+0xb8/0x310
[  434.186339] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  434.190480]  ? trace_hardirqs_off+0xb8/0x310
[  434.194248] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  434.198646]  __alloc_pages_slowpath+0x2651/0x2de0
[  434.212131] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  434.216546]  ? warn_alloc+0x120/0x120
[  434.231673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.236515]  ? print_usage_bug+0xc0/0xc0
[  434.251315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.255097]  ? warn_alloc+0x120/0x120
[  434.263902] 1758 total pagecache pages
[  434.267946]  ? warn_alloc+0x120/0x120
[  434.276495] 0 pages in swap cache
[  434.280276]  ? print_usage_bug+0xc0/0xc0
[  434.284138] Swap cache stats: add 0, delete 0, find 0/0
[  434.287922]  ? print_usage_bug+0xc0/0xc0
[  434.291342] Free swap  = 0kB
[  434.295387]  ? __lock_acquire+0x62f/0x4c20
[  434.300721] Total swap = 0kB
[  434.304768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.307752] 1965979 pages RAM
[  434.311981]  ? should_fail+0x22d/0xd01
[  434.314983] 0 pages HighMem/MovableOnly
[  434.320502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.323577] 342853 pages reserved
[  434.327448]  ? __lock_acquire+0x62f/0x4c20
[  434.331390] 0 pages cma reserved
[  434.336485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.340084] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.344124]  ? __lock_acquire+0x62f/0x4c20
[  434.347459] ksoftirqd/0 cpuset=/ mems_allowed=0
[  434.352657]  ? should_fail+0x22d/0xd01
[  434.352673]  ? find_held_lock+0x36/0x1c0
[  434.379750]  ? mark_held_locks+0x130/0x130
[  434.383991]  ? mark_held_locks+0x130/0x130
[  434.388216]  ? zap_class+0x640/0x640
[  434.391939]  ? zap_class+0x640/0x640
[  434.395654]  ? print_usage_bug+0xc0/0xc0
[  434.399703]  ? do_raw_spin_unlock+0xa7/0x330
[  434.404103]  ? zap_class+0x640/0x640
[  434.407811]  ? print_usage_bug+0xc0/0xc0
[  434.411867]  ? wq_watchdog_touch+0x9c/0xfe
[  434.416096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.421627]  ? check_preemption_disabled+0x48/0x280
[  434.426737]  ? __lock_is_held+0xb5/0x140
[  434.430794]  __alloc_pages_nodemask+0xad8/0xea0
[  434.435455]  ? zap_class+0x640/0x640
[  434.439173]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  434.444192]  ? find_held_lock+0x36/0x1c0
[  434.448537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.453202]  ? lock_downgrade+0x900/0x900
[  434.457348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.462882]  cache_grow_begin+0xa5/0x8c0
[  434.466933]  ? do_raw_spin_unlock+0xa7/0x330
[  434.471337]  fallback_alloc+0x204/0x2e0
[  434.475305]  ____cache_alloc_node+0x1c7/0x1e0
[  434.479799]  kmem_cache_alloc_node+0xe3/0x730
[  434.484288]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.488695]  __alloc_skb+0x119/0x770
[  434.492399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.497676]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.502083]  ? lock_downgrade+0x900/0x900
[  434.506228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.511759]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.517226]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.522672]  ? addrconf_rs_timer+0x690/0x690
[  434.527084]  ndisc_alloc_skb+0x144/0x340
[  434.531155]  ndisc_send_rs+0x331/0x6e0
[  434.535041]  addrconf_rs_timer+0x314/0x690
[  434.539277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.543517]  call_timer_fn+0x272/0x920
[  434.547402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.551631]  ? process_timeout+0x40/0x40
[  434.555708]  ? __run_timers+0x7da/0xc70
[  434.559675]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.564159]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.568644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.572871]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.577448]  ? trace_hardirqs_on+0xbd/0x310
[  434.581762]  ? kasan_check_read+0x11/0x20
[  434.585897]  ? __run_timers+0x7da/0xc70
[  434.589865]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.594971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.599207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.603430]  __run_timers+0x7e5/0xc70
[  434.607238]  ? timer_fixup_init+0x70/0x70
[  434.611402]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.616946]  ? zap_class+0x640/0x640
[  434.620657]  ? enqueue_hrtimer+0x1a5/0x560
[  434.624885]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.630075]  ? find_held_lock+0x36/0x1c0
[  434.634146]  ? zap_class+0x640/0x640
[  434.637856]  ? pvclock_read_flags+0x160/0x160
[  434.642349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.647880]  ? check_preemption_disabled+0x48/0x280
[  434.652893]  ? __lock_is_held+0xb5/0x140
[  434.656955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.662502]  ? check_preemption_disabled+0x48/0x280
[  434.667512]  run_timer_softirq+0x52/0xb0
[  434.671566]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.676574]  __do_softirq+0x308/0xb7e
[  434.680371]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.684861]  ? lock_downgrade+0x900/0x900
[  434.689003]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.694112]  ? pvclock_read_flags+0x160/0x160
[  434.698602]  ? lapic_next_event+0x5a/0x90
[  434.702745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.708277]  ? kvm_clock_read+0x18/0x30
[  434.712246]  ? kvm_sched_clock_read+0x9/0x20
[  434.716649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.722182]  ? check_preemption_disabled+0x48/0x280
[  434.727205]  irq_exit+0x17f/0x1c0
[  434.730658]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.735498]  ? smp_reschedule_interrupt+0x109/0x650
[  434.740515]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.746398]  ? interrupt_entry+0xb5/0xc0
[  434.750463]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.755474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.760597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.765450]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.770464]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.775474]  ? task_prio+0x50/0x50
[  434.779011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.784549]  ? check_preemption_disabled+0x48/0x280
[  434.789565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.794410]  apic_timer_interrupt+0xf/0x20
[  434.798635]  </IRQ>
[  434.800876] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  434.805801] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  434.824709] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  434.832411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  434.839680] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  434.846943] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  434.854215] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  434.861479] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  434.868779]  skb_clone+0x1bb/0x500
[  434.872321]  ? finish_task_switch+0x2f4/0x910
[  434.876814]  ? skb_split+0x11e0/0x11e0
[  434.880698]  ? preempt_notifier_register+0x200/0x200
[  434.885799]  ? __switch_to_asm+0x34/0x70
[  434.889857]  ? __switch_to_asm+0x34/0x70
[  434.893918]  ? __switch_to_asm+0x40/0x70
[  434.897971]  ? __switch_to_asm+0x34/0x70
[  434.902033]  ? __switch_to_asm+0x40/0x70
[  434.906090]  ? __switch_to_asm+0x34/0x70
[  434.910142]  ? __switch_to_asm+0x40/0x70
[  434.914199]  ? __switch_to_asm+0x34/0x70
[  434.918270]  ? __switch_to_asm+0x34/0x70
[  434.922324]  ? __switch_to_asm+0x40/0x70
[  434.926376]  ? __switch_to_asm+0x34/0x70
[  434.930440]  bpf_clone_redirect+0xb9/0x490
[  434.934678]  ? __schedule+0x8d7/0x21d0
[  434.938565]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  434.943579]  ? __sched_text_start+0x8/0x8
[  434.947721]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  434.952481]  ? find_held_lock+0x36/0x1c0
[  434.956545]  ? lock_acquire+0x1ed/0x520
[  434.960514]  ? bpf_test_run+0x3ee/0x7a0
[  434.964483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.970017]  ? check_preemption_disabled+0x48/0x280
[  434.975033]  ? kasan_check_read+0x11/0x20
[  434.979176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.984447]  ? rcu_softirq_qs+0x20/0x20
[  434.988431]  ? preempt_schedule+0x4d/0x60
[  434.992573]  ? ___preempt_schedule+0x16/0x18
[  434.996988]  ? bpf_test_run+0x271/0x7a0
[  435.000967]  ? netlink_diag_dump+0x2a0/0x2a0
[  435.005376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.010914]  ? bpf_test_init.isra.10+0x70/0x100
[  435.015581]  ? bpf_prog_test_run_skb+0x762/0xd60
[  435.020342]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.025184]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.030714]  ? fput+0x130/0x1a0
[  435.033994]  ? __bpf_prog_get+0x9b/0x290
[  435.038053]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.042886]  ? bpf_prog_test_run+0x130/0x1a0
[  435.047299]  ? __x64_sys_bpf+0x3d8/0x520
[  435.051357]  ? bpf_prog_get+0x20/0x20
[  435.055169]  ? do_syscall_64+0x1b9/0x820
[  435.059225]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  435.064586]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.069510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.074352]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.079366]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.084375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.089911]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.094933]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.099780]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  435.105154] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  435.105228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.111995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.111999] Call Trace:
[  435.112018]  dump_stack+0x244/0x39d
[  435.112037]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.118573] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.127854]  warn_alloc.cold.116+0xb7/0x1bd
[  435.130407] syz-executor5 cpuset=syz5 mems_allowed=0
[  435.134018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.163846]  ? lock_downgrade+0x900/0x900
[  435.168005]  ? trace_hardirqs_off+0xb8/0x310
[  435.172414]  ? trace_hardirqs_off+0xb8/0x310
[  435.176826]  __alloc_pages_slowpath+0x2651/0x2de0
[  435.181685]  ? warn_alloc+0x120/0x120
[  435.185483]  ? warn_alloc+0x120/0x120
[  435.189279]  ? __bfs+0xb0/0x780
[  435.192553]  ? warn_alloc+0x120/0x120
[  435.196354]  ? print_usage_bug+0xc0/0xc0
[  435.200419]  ? print_usage_bug+0xc0/0xc0
[  435.204477]  ? check_usage+0x1aa/0x790
[  435.208362]  ? check_usage+0x1aa/0x790
[  435.212250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.217788]  ? should_fail+0x22d/0xd01
[  435.221678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.226778]  ? __lock_acquire+0x62f/0x4c20
[  435.231011]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.236111]  ? __lock_acquire+0x62f/0x4c20
[  435.240339]  ? should_fail+0x22d/0xd01
[  435.244236]  ? mark_held_locks+0x130/0x130
[  435.248473]  ? mark_held_locks+0x130/0x130
[  435.252709]  ? zap_class+0x640/0x640
[  435.256421]  ? ret_from_fork+0x3a/0x50
[  435.260309]  ? __lock_acquire+0x62f/0x4c20
[  435.264557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.270092]  ? check_preemption_disabled+0x48/0x280
[  435.275113]  ? __lock_is_held+0xb5/0x140
[  435.279175]  __alloc_pages_nodemask+0xad8/0xea0
[  435.283839]  ? zap_class+0x640/0x640
[  435.287573]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.292600]  ? find_held_lock+0x36/0x1c0
[  435.296663]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.301329]  ? lock_downgrade+0x900/0x900
[  435.305480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.311016]  cache_grow_begin+0xa5/0x8c0
[  435.315088]  ? do_raw_spin_unlock+0xa7/0x330
[  435.319498]  fallback_alloc+0x204/0x2e0
[  435.323474]  ____cache_alloc_node+0x1c7/0x1e0
[  435.327978]  kmem_cache_alloc_node+0xe3/0x730
[  435.332470]  ? mark_held_locks+0xc7/0x130
[  435.336642]  __alloc_skb+0x119/0x770
[  435.340354]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.344755]  ? do_raw_spin_trylock+0x270/0x270
[  435.349336]  ? kmem_cache_alloc_trace+0x353/0x750
[  435.354179]  ? queue_work_on+0x12c/0x1e0
[  435.358241]  ? switchdev_port_obj_del+0xdc/0x440
[  435.362988]  ? switchdev_trans_item_enqueue+0x260/0x260
[  435.368344]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.373360]  __br_mdb_notify+0x4ff/0x15d0
[  435.377500]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.382603]  ? __br_mdb_add+0x7f0/0x7f0
[  435.386573]  ? mark_held_locks+0x130/0x130
[  435.390807]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.395909]  ? debug_object_assert_init+0x368/0x4b0
[  435.400924]  ? debug_object_init_on_stack+0x20/0x20
[  435.405934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.411484]  br_mdb_notify+0x310/0x410
[  435.415363]  ? br_mdb_dump+0x27b0/0x27b0
[  435.419436]  br_multicast_del_pg+0x3df/0x790
[  435.423845]  ? br_mdb_ip_get+0x940/0x940
[  435.427920]  ? rwlock_bug.part.2+0x90/0x90
[  435.432154]  ? __lock_is_held+0xb5/0x140
[  435.436218]  br_multicast_port_group_expired+0x189/0x1e0
[  435.441675]  call_timer_fn+0x272/0x920
[  435.445558]  ? br_multicast_del_pg+0x790/0x790
[  435.450143]  ? process_timeout+0x40/0x40
[  435.454206]  ? __run_timers+0x7da/0xc70
[  435.458177]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.462665]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.467184]  ? br_multicast_del_pg+0x790/0x790
[  435.471761]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.476336]  ? trace_hardirqs_on+0xbd/0x310
[  435.480651]  ? kasan_check_read+0x11/0x20
[  435.484788]  ? __run_timers+0x7da/0xc70
[  435.488756]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.493883]  ? br_multicast_del_pg+0x790/0x790
[  435.498464]  ? br_multicast_del_pg+0x790/0x790
[  435.503039]  __run_timers+0x7e5/0xc70
[  435.506840]  ? timer_fixup_init+0x70/0x70
[  435.510991]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.515479]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.519969]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.524547]  ? trace_hardirqs_on+0xbd/0x310
[  435.528878]  ? kasan_check_read+0x11/0x20
[  435.533026]  ? finish_task_switch+0x1f4/0x910
[  435.537531]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.542638]  ? compat_start_thread+0x80/0x80
[  435.547062]  ? pvclock_read_flags+0x160/0x160
[  435.551548]  ? __switch_to_asm+0x34/0x70
[  435.555604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.561140]  ? check_preemption_disabled+0x48/0x280
[  435.566160]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  435.571692]  ? rcu_pm_notify+0xc0/0xc0
[  435.575576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.581108]  ? check_preemption_disabled+0x48/0x280
[  435.586124]  run_timer_softirq+0x52/0xb0
[  435.590179]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.595187]  __do_softirq+0x308/0xb7e
[  435.598983]  ? retint_kernel+0x2d/0x2d
[  435.602880]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.607996]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.613433]  ? retint_kernel+0x2d/0x2d
[  435.617314]  ? schedule+0x108/0x460
[  435.620937]  ? trace_hardirqs_off+0xb8/0x310
[  435.625351]  ? smpboot_thread_fn+0x68b/0xa00
[  435.629768]  ? trace_hardirqs_on+0x310/0x310
[  435.634172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.639704]  ? check_preemption_disabled+0x48/0x280
[  435.644719]  ? takeover_tasklets+0xa90/0xa90
[  435.649122]  run_ksoftirqd+0x5e/0x100
[  435.652915]  smpboot_thread_fn+0x68b/0xa00
[  435.657166]  ? sort_range+0x30/0x30
[  435.660790]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.665894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.671425]  ? __kthread_parkme+0xfb/0x1a0
[  435.675659]  ? sort_range+0x30/0x30
[  435.679280]  kthread+0x35a/0x440
[  435.682640]  ? kthread_stop+0x900/0x900
[  435.686624]  ret_from_fork+0x3a/0x50
[  435.690345] warn_alloc_show_mem: 1 callbacks suppressed
[  435.690359] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  435.690360] Mem-Info:
[  435.690391] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  435.690391]  active_file:17 inactive_file:17 isolated_file:0
[  435.690391]  unevictable:0 dirty:0 writeback:0 unstable:0
[  435.690391]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  435.690391]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  435.690391]  free:13768 free_pcp:279 free_cma:0
[  435.695718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.695724] Call Trace:
[  435.703083] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  435.705467]  <IRQ>
[  435.738493] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  435.747853]  dump_stack+0x244/0x39d
[  435.750428] lowmem_reserve[]: 0 2818 6321 6321
[  435.778090]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.780213] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  435.806319]  warn_alloc.cold.116+0xb7/0x1bd
[  435.809909] lowmem_reserve[]: 0 0 3503 3503
[  435.814480]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.819654] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  435.847058]  ? lock_downgrade+0x900/0x900
[  435.851343] lowmem_reserve[]: 0 0 0 0
[  435.855665]  ? trace_hardirqs_off+0xb8/0x310
[  435.860491] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  435.889451]  ? trace_hardirqs_off+0xb8/0x310
[  435.893575] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  435.897372]  __alloc_pages_slowpath+0x2651/0x2de0
[  435.901748] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  435.915277]  ? warn_alloc+0x120/0x120
[  435.919664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  435.934821]  ? print_usage_bug+0xc0/0xc0
[  435.939639] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  435.954357]  ? warn_alloc+0x120/0x120
[  435.958128] 1758 total pagecache pages
[  435.966973]  ? warn_alloc+0x120/0x120
[  435.971012] 0 pages in swap cache
[  435.979565]  ? print_usage_bug+0xc0/0xc0
[  435.983349] Swap cache stats: add 0, delete 0, find 0/0
[  435.987218]  ? print_usage_bug+0xc0/0xc0
[  435.990991] Free swap  = 0kB
[  435.994429]  ? __lock_acquire+0x62f/0x4c20
[  435.998458] Total swap = 0kB
[  435.998465] 1965979 pages RAM
[  436.003823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.007860] 0 pages HighMem/MovableOnly
[  436.010869]  ? should_fail+0x22d/0xd01
[  436.015071] 342853 pages reserved
[  436.015078] 0 pages cma reserved
[  436.018089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.021320] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.026694]  ? __lock_acquire+0x62f/0x4c20
[  436.030640] ksoftirqd/0 cpuset=/ mems_allowed=0
[  436.034517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.070623]  ? __lock_acquire+0x62f/0x4c20
[  436.074852]  ? should_fail+0x22d/0xd01
[  436.078734]  ? find_held_lock+0x36/0x1c0
[  436.082826]  ? mark_held_locks+0x130/0x130
[  436.087086]  ? mark_held_locks+0x130/0x130
[  436.091315]  ? zap_class+0x640/0x640
[  436.095052]  ? zap_class+0x640/0x640
[  436.098760]  ? print_usage_bug+0xc0/0xc0
[  436.102830]  ? do_raw_spin_unlock+0xa7/0x330
[  436.107250]  ? zap_class+0x640/0x640
[  436.110959]  ? print_usage_bug+0xc0/0xc0
[  436.115014]  ? wq_watchdog_touch+0x9c/0xfe
[  436.119241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.124771]  ? check_preemption_disabled+0x48/0x280
[  436.129794]  ? __lock_is_held+0xb5/0x140
[  436.133857]  __alloc_pages_nodemask+0xad8/0xea0
[  436.138532]  ? zap_class+0x640/0x640
[  436.142246]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  436.147279]  ? find_held_lock+0x36/0x1c0
[  436.151348]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.156011]  ? lock_downgrade+0x900/0x900
[  436.160162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.165700]  cache_grow_begin+0xa5/0x8c0
[  436.169761]  ? do_raw_spin_unlock+0xa7/0x330
[  436.174167]  fallback_alloc+0x204/0x2e0
[  436.178139]  ____cache_alloc_node+0x1c7/0x1e0
[  436.182655]  kmem_cache_alloc_node+0xe3/0x730
[  436.187144]  ? ipv6_get_ifaddr+0x42e/0x620
[  436.191384]  __alloc_skb+0x119/0x770
[  436.195094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.200371]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.204771]  ? lock_downgrade+0x900/0x900
[  436.208923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.214457]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.219912]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  436.225355]  ? addrconf_rs_timer+0x690/0x690
[  436.229771]  ndisc_alloc_skb+0x144/0x340
[  436.233834]  ndisc_send_rs+0x331/0x6e0
[  436.237720]  addrconf_rs_timer+0x314/0x690
[  436.241953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.246205]  call_timer_fn+0x272/0x920
[  436.250102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.254336]  ? process_timeout+0x40/0x40
[  436.258400]  ? __run_timers+0x7da/0xc70
[  436.262369]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.266873]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.271367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.275597]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.280176]  ? trace_hardirqs_on+0xbd/0x310
[  436.284507]  ? kasan_check_read+0x11/0x20
[  436.288647]  ? __run_timers+0x7da/0xc70
[  436.292615]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.297715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.301947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.306177]  __run_timers+0x7e5/0xc70
[  436.309979]  ? timer_fixup_init+0x70/0x70
[  436.314122]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.319133]  ? zap_class+0x640/0x640
[  436.322843]  ? enqueue_hrtimer+0x1a5/0x560
[  436.327166]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.332354]  ? find_held_lock+0x36/0x1c0
[  436.336415]  ? zap_class+0x640/0x640
[  436.340125]  ? pvclock_read_flags+0x160/0x160
[  436.344617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.350150]  ? check_preemption_disabled+0x48/0x280
[  436.355171]  ? __lock_is_held+0xb5/0x140
[  436.359232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.364764]  ? check_preemption_disabled+0x48/0x280
[  436.369796]  run_timer_softirq+0x52/0xb0
[  436.373852]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.378863]  __do_softirq+0x308/0xb7e
[  436.382661]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.387150]  ? lock_downgrade+0x900/0x900
[  436.391297]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.396400]  ? pvclock_read_flags+0x160/0x160
[  436.400893]  ? lapic_next_event+0x5a/0x90
[  436.405038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.410573]  ? kvm_clock_read+0x18/0x30
[  436.414539]  ? kvm_sched_clock_read+0x9/0x20
[  436.418943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.424486]  ? check_preemption_disabled+0x48/0x280
[  436.429502]  irq_exit+0x17f/0x1c0
[  436.432954]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.437800]  ? smp_reschedule_interrupt+0x109/0x650
[  436.442816]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.449117]  ? interrupt_entry+0xb5/0xc0
[  436.453175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.458186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.463196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.468034]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.473043]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.478054]  ? task_prio+0x50/0x50
[  436.481588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.487146]  ? check_preemption_disabled+0x48/0x280
[  436.492164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.497008]  apic_timer_interrupt+0xf/0x20
[  436.501233]  </IRQ>
[  436.503469] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  436.508395] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  436.527290] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.534993] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  436.542261] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  436.549524] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  436.556788] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  436.564052] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  436.571353]  skb_clone+0x1bb/0x500
[  436.574890]  ? finish_task_switch+0x2f4/0x910
[  436.579378]  ? skb_split+0x11e0/0x11e0
[  436.583260]  ? preempt_notifier_register+0x200/0x200
[  436.588358]  ? __switch_to_asm+0x34/0x70
[  436.592411]  ? __switch_to_asm+0x34/0x70
[  436.596460]  ? __switch_to_asm+0x40/0x70
[  436.600510]  ? __switch_to_asm+0x34/0x70
[  436.604559]  ? __switch_to_asm+0x40/0x70
[  436.608608]  ? __switch_to_asm+0x34/0x70
[  436.612660]  ? __switch_to_asm+0x40/0x70
[  436.617151]  ? __switch_to_asm+0x34/0x70
[  436.621208]  ? __switch_to_asm+0x34/0x70
[  436.625259]  ? __switch_to_asm+0x40/0x70
[  436.629316]  ? __switch_to_asm+0x34/0x70
[  436.633373]  bpf_clone_redirect+0xb9/0x490
[  436.637599]  ? __schedule+0x8d7/0x21d0
[  436.641482]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  436.646490]  ? __sched_text_start+0x8/0x8
[  436.650630]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  436.655393]  ? find_held_lock+0x36/0x1c0
[  436.659453]  ? lock_acquire+0x1ed/0x520
[  436.663435]  ? bpf_test_run+0x3ee/0x7a0
[  436.667410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.673029]  ? check_preemption_disabled+0x48/0x280
[  436.678045]  ? kasan_check_read+0x11/0x20
[  436.682193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.687462]  ? rcu_softirq_qs+0x20/0x20
[  436.691430]  ? preempt_schedule+0x4d/0x60
[  436.695576]  ? ___preempt_schedule+0x16/0x18
[  436.699986]  ? bpf_test_run+0x271/0x7a0
[  436.703967]  ? netlink_diag_dump+0x2a0/0x2a0
[  436.708370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.713899]  ? bpf_test_init.isra.10+0x70/0x100
[  436.718571]  ? bpf_prog_test_run_skb+0x762/0xd60
[  436.723328]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.728178]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  436.733721]  ? fput+0x130/0x1a0
[  436.737004]  ? __bpf_prog_get+0x9b/0x290
[  436.741063]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.745896]  ? bpf_prog_test_run+0x130/0x1a0
[  436.750296]  ? __x64_sys_bpf+0x3d8/0x520
[  436.754347]  ? bpf_prog_get+0x20/0x20
[  436.758155]  ? do_syscall_64+0x1b9/0x820
[  436.762236]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  436.767601]  ? syscall_return_slowpath+0x5e0/0x5e0
[  436.772544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.777385]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.782394]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  436.787404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.792929]  ? prepare_exit_to_usermode+0x291/0x3b0
[  436.797958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.802801]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  436.808176] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  436.808248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  436.815021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.815026] Call Trace:
[  436.815044]  dump_stack+0x244/0x39d
[  436.815063]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.821599] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.830879]  warn_alloc.cold.116+0xb7/0x1bd
[  436.833427] syz-executor5 cpuset=syz5 mems_allowed=0
[  436.837038]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.866885]  ? lock_downgrade+0x900/0x900
[  436.871029]  ? trace_hardirqs_off+0xb8/0x310
[  436.875448]  ? trace_hardirqs_off+0xb8/0x310
[  436.879869]  __alloc_pages_slowpath+0x2651/0x2de0
[  436.884724]  ? warn_alloc+0x120/0x120
[  436.888528]  ? print_usage_bug+0xc0/0xc0
[  436.892578]  ? warn_alloc+0x120/0x120
[  436.896375]  ? warn_alloc+0x120/0x120
[  436.900174]  ? print_usage_bug+0xc0/0xc0
[  436.904232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.909764]  ? should_fail+0x22d/0xd01
[  436.913647]  ? print_usage_bug+0xc0/0xc0
[  436.917698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.922802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.928331]  ? should_fail+0x22d/0xd01
[  436.932208]  ? should_fail+0x22d/0xd01
[  436.936089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.941180]  ? __lock_acquire+0x62f/0x4c20
[  436.945410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.950501]  ? __lock_acquire+0x62f/0x4c20
[  436.954729]  ? should_fail+0x22d/0xd01
[  436.958613]  ? mark_held_locks+0x130/0x130
[  436.962843]  ? mark_held_locks+0x130/0x130
[  436.967077]  ? zap_class+0x640/0x640
[  436.970780]  ? ret_from_fork+0x3a/0x50
[  436.974655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.980180]  ? check_preemption_disabled+0x48/0x280
[  436.985197]  ? __lock_is_held+0xb5/0x140
[  436.989256]  __alloc_pages_nodemask+0xad8/0xea0
[  436.993915]  ? zap_class+0x640/0x640
[  436.997632]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  437.002652]  ? find_held_lock+0x36/0x1c0
[  437.006721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.011382]  ? lock_downgrade+0x900/0x900
[  437.015523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.021053]  cache_grow_begin+0xa5/0x8c0
[  437.025105]  ? do_raw_spin_unlock+0xa7/0x330
[  437.029513]  fallback_alloc+0x204/0x2e0
[  437.033496]  ____cache_alloc_node+0x1c7/0x1e0
[  437.037998]  kmem_cache_alloc_node+0xe3/0x730
[  437.042489]  ? mark_held_locks+0xc7/0x130
[  437.046634]  __alloc_skb+0x119/0x770
[  437.050345]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.054748]  ? do_raw_spin_trylock+0x270/0x270
[  437.059326]  ? kmem_cache_alloc_trace+0x353/0x750
[  437.064165]  ? queue_work_on+0x12c/0x1e0
[  437.068239]  ? switchdev_port_obj_del+0xdc/0x440
[  437.072988]  ? switchdev_trans_item_enqueue+0x260/0x260
[  437.078346]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  437.083360]  __br_mdb_notify+0x4ff/0x15d0
[  437.087503]  ? __br_mdb_add+0x7f0/0x7f0
[  437.091476]  ? zap_class+0x640/0x640
[  437.095184]  ? br_multicast_group_expired+0x96/0x610
[  437.100294]  br_mdb_notify+0x310/0x410
[  437.104170]  ? br_mdb_dump+0x27b0/0x27b0
[  437.108223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.113846]  br_multicast_group_expired+0x1bc/0x610
[  437.118859]  ? br_mdb_free+0x80/0x80
[  437.122577]  call_timer_fn+0x272/0x920
[  437.126459]  ? br_mdb_free+0x80/0x80
[  437.130286]  ? process_timeout+0x40/0x40
[  437.134346]  ? __run_timers+0x7da/0xc70
[  437.138310]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.142793]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.147277]  ? br_mdb_free+0x80/0x80
[  437.150979]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.155551]  ? trace_hardirqs_on+0xbd/0x310
[  437.159864]  ? kasan_check_read+0x11/0x20
[  437.164002]  ? __run_timers+0x7da/0xc70
[  437.167968]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.173068]  ? br_multicast_del_pg+0x790/0x790
[  437.177659]  ? br_mdb_free+0x80/0x80
[  437.181366]  __run_timers+0x7e5/0xc70
[  437.185166]  ? timer_fixup_init+0x70/0x70
[  437.189308]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.193794]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.198287]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.202863]  ? trace_hardirqs_on+0xbd/0x310
[  437.207178]  ? kasan_check_read+0x11/0x20
[  437.211320]  ? finish_task_switch+0x1f4/0x910
[  437.215810]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.220907]  ? compat_start_thread+0x80/0x80
[  437.225336]  ? pvclock_read_flags+0x160/0x160
[  437.229826]  ? __switch_to_asm+0x34/0x70
[  437.234006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.239536]  ? check_preemption_disabled+0x48/0x280
[  437.244573]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  437.250103]  ? rcu_pm_notify+0xc0/0xc0
[  437.253984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.259513]  ? check_preemption_disabled+0x48/0x280
[  437.264523]  run_timer_softirq+0x52/0xb0
[  437.268579]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.273586]  __do_softirq+0x308/0xb7e
[  437.277383]  ? retint_kernel+0x2d/0x2d
[  437.281266]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.286361]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.291816]  ? retint_kernel+0x2d/0x2d
[  437.295703]  ? schedule+0x108/0x460
[  437.299331]  ? trace_hardirqs_off+0xb8/0x310
[  437.303735]  ? smpboot_thread_fn+0x68b/0xa00
[  437.308149]  ? trace_hardirqs_on+0x310/0x310
[  437.312547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.318091]  ? check_preemption_disabled+0x48/0x280
[  437.323097]  ? takeover_tasklets+0xa90/0xa90
[  437.327499]  run_ksoftirqd+0x5e/0x100
[  437.331293]  smpboot_thread_fn+0x68b/0xa00
[  437.335521]  ? sort_range+0x30/0x30
[  437.339137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.344230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.349772]  ? __kthread_parkme+0xfb/0x1a0
[  437.354005]  ? sort_range+0x30/0x30
[  437.357621]  kthread+0x35a/0x440
[  437.360981]  ? kthread_stop+0x900/0x900
[  437.364948]  ret_from_fork+0x3a/0x50
[  437.368675] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  437.368679] warn_alloc_show_mem: 1 callbacks suppressed
[  437.368692] Mem-Info:
[  437.376035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.376042] Call Trace:
[  437.381405] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  437.381405]  active_file:17 inactive_file:17 isolated_file:0
[  437.381405]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.381405]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  437.381405]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  437.381405]  free:13768 free_pcp:279 free_cma:0
[  437.383781]  <IRQ>
[  437.393136] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.395721]  dump_stack+0x244/0x39d
[  437.428739] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  437.430884]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.458959] lowmem_reserve[]: 0 2818 6321 6321
[  437.462582]  warn_alloc.cold.116+0xb7/0x1bd
[  437.488652] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  437.493832]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.498401] lowmem_reserve[]: 0 0 3503 3503
[  437.502712]  ? lock_downgrade+0x900/0x900
[  437.530173] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  437.535011]  ? trace_hardirqs_off+0xb8/0x310
[  437.539296] lowmem_reserve[]: 0 0 0 0
[  437.543436]  ? trace_hardirqs_off+0xb8/0x310
[  437.572369] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  437.576781]  __alloc_pages_slowpath+0x2651/0x2de0
[  437.580548] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  437.584963]  ? warn_alloc+0x120/0x120
[  437.598438] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  437.603269]  ? print_usage_bug+0xc0/0xc0
[  437.618412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.622194]  ? warn_alloc+0x120/0x120
[  437.636903] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.640944]  ? warn_alloc+0x120/0x120
[  437.649745] 1758 total pagecache pages
[  437.653527]  ? print_usage_bug+0xc0/0xc0
[  437.662076] 0 pages in swap cache
[  437.665859]  ? kvm_clock_read+0x18/0x30
[  437.669718] Swap cache stats: add 0, delete 0, find 0/0
[  437.673758]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  437.677183] Free swap  = 0kB
[  437.681141]  ? print_usage_bug+0xc0/0xc0
[  437.686485] Total swap = 0kB
[  437.691481]  ? __lock_acquire+0x62f/0x4c20
[  437.694468] 1965979 pages RAM
[  437.698513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.701501] 0 pages HighMem/MovableOnly
[  437.705719]  ? should_fail+0x22d/0xd01
[  437.708795] 342853 pages reserved
[  437.714313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.718253] 0 pages cma reserved
[  437.722125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.725713] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.730823]  ? __lock_acquire+0x62f/0x4c20
[  437.734155] ksoftirqd/0 cpuset=/ mems_allowed=0
[  437.739262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.763802]  ? __lock_acquire+0x62f/0x4c20
[  437.768026]  ? should_fail+0x22d/0xd01
[  437.771901]  ? rcu_irq_exit+0x1a2/0x390
[  437.775877]  ? mark_held_locks+0x130/0x130
[  437.780107]  ? mark_held_locks+0x130/0x130
[  437.784337]  ? mark_held_locks+0xc7/0x130
[  437.788511]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  437.793522]  ? zap_class+0x640/0x640
[  437.797229]  ? print_usage_bug+0xc0/0xc0
[  437.801284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.806819]  ? check_preemption_disabled+0x48/0x280
[  437.811832]  ? __lock_is_held+0xb5/0x140
[  437.815975]  __alloc_pages_nodemask+0xad8/0xea0
[  437.820636]  ? zap_class+0x640/0x640
[  437.824354]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  437.829371]  ? find_held_lock+0x36/0x1c0
[  437.833433]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.838100]  ? lock_downgrade+0x900/0x900
[  437.842253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.847790]  cache_grow_begin+0xa5/0x8c0
[  437.851848]  ? do_raw_spin_unlock+0xa7/0x330
[  437.856262]  fallback_alloc+0x204/0x2e0
[  437.860238]  ____cache_alloc_node+0x1c7/0x1e0
[  437.864738]  kmem_cache_alloc_node+0xe3/0x730
[  437.869233]  ? ipv6_get_ifaddr+0x42e/0x620
[  437.873471]  __alloc_skb+0x119/0x770
[  437.877268]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.882546]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.886953]  ? lock_downgrade+0x900/0x900
[  437.891101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.896652]  ? refcount_sub_and_test_checked+0x203/0x310
[  437.902100]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  437.907561]  ? addrconf_rs_timer+0x690/0x690
[  437.911974]  ndisc_alloc_skb+0x144/0x340
[  437.916037]  ndisc_send_rs+0x331/0x6e0
[  437.919923]  addrconf_rs_timer+0x314/0x690
[  437.924162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.928404]  call_timer_fn+0x272/0x920
[  437.932285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.936513]  ? process_timeout+0x40/0x40
[  437.940574]  ? __run_timers+0x7da/0xc70
[  437.944544]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.949030]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.953516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.957754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.962332]  ? trace_hardirqs_on+0xbd/0x310
[  437.966657]  ? kasan_check_read+0x11/0x20
[  437.970798]  ? __run_timers+0x7da/0xc70
[  437.974767]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.979865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.984115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.988344]  __run_timers+0x7e5/0xc70
[  437.992151]  ? timer_fixup_init+0x70/0x70
[  437.996292]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.001303]  ? zap_class+0x640/0x640
[  438.005015]  ? enqueue_hrtimer+0x1a5/0x560
[  438.009245]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.014435]  ? find_held_lock+0x36/0x1c0
[  438.018495]  ? zap_class+0x640/0x640
[  438.022211]  ? pvclock_read_flags+0x160/0x160
[  438.026704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.032242]  ? check_preemption_disabled+0x48/0x280
[  438.037260]  ? __lock_is_held+0xb5/0x140
[  438.041315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.046860]  ? check_preemption_disabled+0x48/0x280
[  438.051878]  run_timer_softirq+0x52/0xb0
[  438.055934]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.060953]  __do_softirq+0x308/0xb7e
[  438.064748]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.069232]  ? lock_downgrade+0x900/0x900
[  438.073374]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.078471]  ? pvclock_read_flags+0x160/0x160
[  438.082958]  ? lapic_next_event+0x5a/0x90
[  438.087101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.092638]  ? kvm_clock_read+0x18/0x30
[  438.096602]  ? kvm_sched_clock_read+0x9/0x20
[  438.101005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.106532]  ? check_preemption_disabled+0x48/0x280
[  438.111546]  irq_exit+0x17f/0x1c0
[  438.114996]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.119832]  ? smp_reschedule_interrupt+0x109/0x650
[  438.124844]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.130746]  ? interrupt_entry+0xb5/0xc0
[  438.134804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.139813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.144829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.149670]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.154681]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.159693]  ? task_prio+0x50/0x50
[  438.163233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.168767]  ? check_preemption_disabled+0x48/0x280
[  438.173787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.178657]  apic_timer_interrupt+0xf/0x20
[  438.182880]  </IRQ>
[  438.185117] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  438.190046] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  438.208947] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.216647] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  438.223910] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  438.231191] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  438.238462] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  438.245725] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  438.253018]  skb_clone+0x1bb/0x500
[  438.256555]  ? finish_task_switch+0x2f4/0x910
[  438.261046]  ? skb_split+0x11e0/0x11e0
[  438.264927]  ? preempt_notifier_register+0x200/0x200
[  438.270024]  ? __switch_to_asm+0x34/0x70
[  438.274080]  ? __switch_to_asm+0x34/0x70
[  438.278138]  ? __switch_to_asm+0x40/0x70
[  438.282185]  ? __switch_to_asm+0x34/0x70
[  438.286239]  ? __switch_to_asm+0x40/0x70
[  438.290302]  ? __switch_to_asm+0x34/0x70
[  438.294353]  ? __switch_to_asm+0x40/0x70
[  438.298409]  ? __switch_to_asm+0x34/0x70
[  438.302473]  ? __switch_to_asm+0x34/0x70
[  438.306525]  ? __switch_to_asm+0x40/0x70
[  438.310576]  ? __switch_to_asm+0x34/0x70
[  438.314643]  bpf_clone_redirect+0xb9/0x490
[  438.318878]  ? __schedule+0x8d7/0x21d0
[  438.322777]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  438.327797]  ? __sched_text_start+0x8/0x8
[  438.331942]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.336702]  ? find_held_lock+0x36/0x1c0
[  438.340766]  ? lock_acquire+0x1ed/0x520
[  438.344763]  ? bpf_test_run+0x3ee/0x7a0
[  438.348734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.354267]  ? check_preemption_disabled+0x48/0x280
[  438.359390]  ? kasan_check_read+0x11/0x20
[  438.363531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.368820]  ? rcu_softirq_qs+0x20/0x20
[  438.372789]  ? preempt_schedule+0x4d/0x60
[  438.376931]  ? ___preempt_schedule+0x16/0x18
[  438.381341]  ? bpf_test_run+0x271/0x7a0
[  438.385321]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.389853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.395382]  ? bpf_test_init.isra.10+0x70/0x100
[  438.400053]  ? bpf_prog_test_run_skb+0x762/0xd60
[  438.404811]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.409655]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.415190]  ? fput+0x130/0x1a0
[  438.418467]  ? __bpf_prog_get+0x9b/0x290
[  438.422530]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.427366]  ? bpf_prog_test_run+0x130/0x1a0
[  438.431772]  ? __x64_sys_bpf+0x3d8/0x520
[  438.435841]  ? bpf_prog_get+0x20/0x20
[  438.439656]  ? do_syscall_64+0x1b9/0x820
[  438.443710]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  438.449359]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.454285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.459134]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.464149]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  438.469161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.474697]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.479823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.484670]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  438.490045] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  438.490125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  438.496882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.496890] Call Trace:
[  438.496910]  dump_stack+0x244/0x39d
[  438.496929]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.503495] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.512770]  warn_alloc.cold.116+0xb7/0x1bd
[  438.515319] syz-executor5 cpuset=syz5 mems_allowed=0
[  438.518935]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.548787]  ? lock_downgrade+0x900/0x900
[  438.552950]  ? trace_hardirqs_off+0xb8/0x310
[  438.557358]  ? trace_hardirqs_off+0xb8/0x310
[  438.561767]  __alloc_pages_slowpath+0x2651/0x2de0
[  438.566638]  ? warn_alloc+0x120/0x120
[  438.570434]  ? print_usage_bug+0xc0/0xc0
[  438.574488]  ? warn_alloc+0x120/0x120
[  438.578290]  ? warn_alloc+0x120/0x120
[  438.582095]  ? print_usage_bug+0xc0/0xc0
[  438.586152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.591690]  ? print_usage_bug+0xc0/0xc0
[  438.595751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.600852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.606380]  ? should_fail+0x22d/0xd01
[  438.610260]  ? should_fail+0x22d/0xd01
[  438.614333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.619430]  ? __lock_acquire+0x62f/0x4c20
[  438.623665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.628760]  ? __lock_acquire+0x62f/0x4c20
[  438.632990]  ? should_fail+0x22d/0xd01
[  438.636882]  ? mark_held_locks+0x130/0x130
[  438.641117]  ? mark_held_locks+0x130/0x130
[  438.645358]  ? zap_class+0x640/0x640
[  438.649065]  ? ret_from_fork+0x3a/0x50
[  438.652961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.658495]  ? check_preemption_disabled+0x48/0x280
[  438.663519]  ? __lock_is_held+0xb5/0x140
[  438.667596]  __alloc_pages_nodemask+0xad8/0xea0
[  438.672260]  ? zap_class+0x640/0x640
[  438.675973]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  438.680998]  ? find_held_lock+0x36/0x1c0
[  438.685070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.689824]  ? lock_downgrade+0x900/0x900
[  438.693976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.699512]  cache_grow_begin+0xa5/0x8c0
[  438.703579]  ? do_raw_spin_unlock+0xa7/0x330
[  438.707995]  fallback_alloc+0x204/0x2e0
[  438.711972]  ____cache_alloc_node+0x1c7/0x1e0
[  438.716469]  kmem_cache_alloc_node+0xe3/0x730
[  438.720963]  ? mark_held_locks+0xc7/0x130
[  438.725117]  __alloc_skb+0x119/0x770
[  438.728831]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.733236]  ? do_raw_spin_trylock+0x270/0x270
[  438.737814]  ? kmem_cache_alloc_trace+0x353/0x750
[  438.742657]  ? queue_work_on+0x12c/0x1e0
[  438.746715]  ? switchdev_port_obj_del+0xdc/0x440
[  438.751474]  ? switchdev_trans_item_enqueue+0x260/0x260
[  438.756835]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.761852]  __br_mdb_notify+0x4ff/0x15d0
[  438.766004]  ? __br_mdb_add+0x7f0/0x7f0
[  438.769981]  ? zap_class+0x640/0x640
[  438.773698]  ? br_multicast_group_expired+0x96/0x610
[  438.778794]  ? lock_downgrade+0x900/0x900
[  438.782940]  br_mdb_notify+0x310/0x410
[  438.786824]  ? br_mdb_dump+0x27b0/0x27b0
[  438.790897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.796437]  br_multicast_group_expired+0x1bc/0x610
[  438.801464]  ? br_mdb_free+0x80/0x80
[  438.805181]  call_timer_fn+0x272/0x920
[  438.809065]  ? br_mdb_free+0x80/0x80
[  438.812770]  ? process_timeout+0x40/0x40
[  438.816922]  ? __run_timers+0x7da/0xc70
[  438.820892]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.825379]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.829868]  ? br_mdb_free+0x80/0x80
[  438.833585]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.838255]  ? trace_hardirqs_on+0xbd/0x310
[  438.842579]  ? kasan_check_read+0x11/0x20
[  438.846721]  ? __run_timers+0x7da/0xc70
[  438.850690]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.855789]  ? br_mdb_free+0x80/0x80
[  438.859502]  ? br_mdb_free+0x80/0x80
[  438.863207]  __run_timers+0x7e5/0xc70
[  438.867010]  ? timer_fixup_init+0x70/0x70
[  438.871151]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.875636]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.880124]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.884703]  ? trace_hardirqs_on+0xbd/0x310
[  438.889021]  ? kasan_check_read+0x11/0x20
[  438.893166]  ? finish_task_switch+0x1f4/0x910
[  438.897652]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.902746]  ? compat_start_thread+0x80/0x80
[  438.907168]  ? pvclock_read_flags+0x160/0x160
[  438.911663]  ? __switch_to_asm+0x34/0x70
[  438.915717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.921254]  ? check_preemption_disabled+0x48/0x280
[  438.926277]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  438.931811]  ? rcu_pm_notify+0xc0/0xc0
[  438.935712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.941247]  ? check_preemption_disabled+0x48/0x280
[  438.946262]  run_timer_softirq+0x52/0xb0
[  438.950318]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.955332]  __do_softirq+0x308/0xb7e
[  438.959131]  ? retint_kernel+0x2d/0x2d
[  438.963016]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.968115]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.973567]  ? retint_kernel+0x2d/0x2d
[  438.977459]  ? schedule+0x108/0x460
[  438.981091]  ? trace_hardirqs_off+0xb8/0x310
[  438.985595]  ? smpboot_thread_fn+0x68b/0xa00
[  438.990001]  ? trace_hardirqs_on+0x310/0x310
[  438.994419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.999967]  ? check_preemption_disabled+0x48/0x280
[  439.004980]  ? takeover_tasklets+0xa90/0xa90
[  439.009383]  run_ksoftirqd+0x5e/0x100
[  439.013179]  smpboot_thread_fn+0x68b/0xa00
[  439.017411]  ? sort_range+0x30/0x30
[  439.021032]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.026130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.031660]  ? __kthread_parkme+0xfb/0x1a0
[  439.035891]  ? sort_range+0x30/0x30
[  439.039514]  kthread+0x35a/0x440
[  439.042890]  ? kthread_stop+0x900/0x900
[  439.046858]  ret_from_fork+0x3a/0x50
[  439.050588] warn_alloc_show_mem: 1 callbacks suppressed
[  439.050598] CPU: 1 PID: 15827 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #106
[  439.050600] Mem-Info:
[  439.050631] active_anon:48727 inactive_anon:1570 isolated_anon:0
[  439.050631]  active_file:17 inactive_file:17 isolated_file:0
[  439.050631]  unevictable:0 dirty:0 writeback:0 unstable:0
[  439.050631]  slab_reclaimable:9367 slab_unreclaimable:1455578
[  439.050631]  mapped:49154 shmem:1724 pagetables:624 bounce:0
[  439.050631]  free:13768 free_pcp:279 free_cma:0
[  439.055963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.055970] Call Trace:
[  439.063330] Node 0 active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:6896kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  439.065720]  <IRQ>
[  439.098750] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  439.108098]  dump_stack+0x244/0x39d
[  439.110651] lowmem_reserve[]: 0 2818 6321 6321
[  439.138313]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.140451] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  439.166570]  warn_alloc.cold.116+0xb7/0x1bd
[  439.170185] lowmem_reserve[]: 0 0 3503 3503
[  439.174750]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.179927] Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:194908kB inactive_anon:6280kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:2496kB bounce:0kB free_pcp:800kB local_pcp:552kB free_cma:0kB
[  439.207331]  ? lock_downgrade+0x900/0x900
[  439.211620] lowmem_reserve[]: 0 0 0 0
[  439.215935]  ? trace_hardirqs_off+0xb8/0x310
[  439.220746] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  439.249713]  ? trace_hardirqs_off+0xb8/0x310
[  439.253832] Node 0 DMA32: 3*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  439.257627]  __alloc_pages_slowpath+0x2651/0x2de0
[  439.262006] Node 0 Normal: 786*4kB (UME) 433*8kB (ME) 199*16kB (MEH) 83*32kB (UME) 11*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13920kB
[  439.275549]  ? warn_alloc+0x120/0x120
[  439.279921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  439.295086]  ? print_usage_bug+0xc0/0xc0
[  439.299907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  439.314624]  ? warn_alloc+0x120/0x120
[  439.318412] 1758 total pagecache pages
[  439.327230]  ? warn_alloc+0x120/0x120
[  439.331264] 0 pages in swap cache
[  439.339818]  ? print_usage_bug+0xc0/0xc0
[  439.343591] Swap cache stats: add 0, delete 0, find 0/0
[  439.347461]  ? kvm_clock_read+0x18/0x30
[  439.351228] Free swap  = 0kB
[  439.354666]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.358697] Total swap = 0kB
[  439.364047]  ? print_usage_bug+0xc0/0xc0
[  439.367988] 1965979 pages RAM
[  439.370992]  ? __lock_acquire+0x62f/0x4c20
[  439.376066] 0 pages HighMem/MovableOnly
[  439.379071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.383103] 342853 pages reserved
[  439.386225]  ? should_fail+0x22d/0xd01
[  439.390448] 0 pages cma reserved
[  439.394407]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.400063] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.403354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.407216] ksoftirqd/0 cpuset=/ mems_allowed=0
[  439.410570]  ? __lock_acquire+0x62f/0x4c20
[  439.440071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.445169]  ? __lock_acquire+0x62f/0x4c20
[  439.449399]  ? should_fail+0x22d/0xd01
[  439.453280]  ? rcu_irq_exit+0x1a2/0x390
[  439.457262]  ? mark_held_locks+0x130/0x130
[  439.461503]  ? mark_held_locks+0x130/0x130
[  439.465741]  ? mark_held_locks+0xc7/0x130
[  439.469882]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  439.474893]  ? zap_class+0x640/0x640
[  439.478602]  ? print_usage_bug+0xc0/0xc0
[  439.482662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.488282]  ? check_preemption_disabled+0x48/0x280
[  439.493305]  ? __lock_is_held+0xb5/0x140
[  439.497366]  __alloc_pages_nodemask+0xad8/0xea0
[  439.502032]  ? zap_class+0x640/0x640
[  439.505745]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  439.510792]  ? find_held_lock+0x36/0x1c0
[  439.514856]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.519528]  ? lock_downgrade+0x900/0x900
[  439.523687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.529223]  cache_grow_begin+0xa5/0x8c0
[  439.533293]  ? do_raw_spin_unlock+0xa7/0x330
[  439.537707]  fallback_alloc+0x204/0x2e0
[  439.541682]  ____cache_alloc_node+0x1c7/0x1e0
[  439.546173]  kmem_cache_alloc_node+0xe3/0x730
[  439.550665]  ? ipv6_get_ifaddr+0x42e/0x620
[  439.554901]  __alloc_skb+0x119/0x770
[  439.558610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.563902]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.568304]  ? lock_downgrade+0x900/0x900
[  439.572451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.577983]  ? refcount_sub_and_test_checked+0x203/0x310
[  439.583435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  439.588874]  ? addrconf_rs_timer+0x690/0x690
[  439.593286]  ndisc_alloc_skb+0x144/0x340
[  439.597347]  ndisc_send_rs+0x331/0x6e0
[  439.601233]  addrconf_rs_timer+0x314/0x690
[  439.605474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.609738]  call_timer_fn+0x272/0x920
[  439.613644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.617875]  ? process_timeout+0x40/0x40
[  439.621937]  ? __run_timers+0x7da/0xc70
[  439.625905]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.630399]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.634884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.639113]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.643704]  ? trace_hardirqs_on+0xbd/0x310
[  439.648023]  ? kasan_check_read+0x11/0x20
[  439.652164]  ? __run_timers+0x7da/0xc70
[  439.656155]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.661255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.665498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.669727]  __run_timers+0x7e5/0xc70
[  439.673532]  ? timer_fixup_init+0x70/0x70
[  439.677679]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.682692]  ? zap_class+0x640/0x640
[  439.686406]  ? enqueue_hrtimer+0x1a5/0x560
[  439.690637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.695830]  ? find_held_lock+0x36/0x1c0
[  439.699891]  ? zap_class+0x640/0x640
[  439.703614]  ? pvclock_read_flags+0x160/0x160
[  439.708112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.713645]  ? check_preemption_disabled+0x48/0x280
[  439.718664]  ? __lock_is_held+0xb5/0x140
[  439.722724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.728260]  ? check_preemption_disabled+0x48/0x280
[  439.733273]  run_timer_softirq+0x52/0xb0
[  439.737332]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.742348]  __do_softirq+0x308/0xb7e
[  439.746146]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.750638]  ? lock_downgrade+0x900/0x900
[  439.754788]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.759894]  ? pvclock_read_flags+0x160/0x160
[  439.764390]  ? lapic_next_event+0x5a/0x90
[  439.768540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.774080]  ? kvm_clock_read+0x18/0x30
[  439.778050]  ? kvm_sched_clock_read+0x9/0x20
[  439.782567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.788100]  ? check_preemption_disabled+0x48/0x280
[  439.793119]  irq_exit+0x17f/0x1c0
[  439.796569]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.801405]  ? smp_reschedule_interrupt+0x109/0x650
[  439.806414]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.812387]  ? interrupt_entry+0xb5/0xc0
[  439.816449]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.821472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.826493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.831356]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.836383]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.841394]  ? task_prio+0x50/0x50
[  439.844929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.850467]  ? check_preemption_disabled+0x48/0x280
[  439.855488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.860336]  apic_timer_interrupt+0xf/0x20
[  439.864563]  </IRQ>
[  439.866799] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  439.871729] Code: 7e 0f 85 cf fe ff ff e8 46 eb 3d ff e9 c5 fe ff ff e8 6d 1a c3 ff 48 83 3d 05 6f 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 c6
[  439.890622] RSP: 0000:ffff88818f82f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  439.898327] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  439.905601] RDX: 0000000000000000 RSI: ffff8881d4fe6a80 RDI: 0000000000000286
[  439.912862] RBP: ffff88818f82f760 R08: ffff8881d4fe6200 R09: 0000000000000000
[  439.920128] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  439.927392] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  439.934915]  skb_clone+0x1bb/0x500
[  439.938462]  ? finish_task_switch+0x2f4/0x910
[  439.942953]  ? skb_split+0x11e0/0x11e0
[  439.946840]  ? preempt_notifier_register+0x200/0x200
[  439.951939]  ? __switch_to_asm+0x34/0x70
[  439.955997]  ? __switch_to_asm+0x34/0x70
[  439.960052]  ? __switch_to_asm+0x40/0x70
[  439.964110]  ? __switch_to_asm+0x34/0x70
[  439.968162]  ? __switch_to_asm+0x40/0x70
[  439.972214]  ? __switch_to_asm+0x34/0x70
[  439.976266]  ? __switch_to_asm+0x40/0x70
[  439.980318]  ? __switch_to_asm+0x34/0x70
[  439.984385]  ? __switch_to_asm+0x34/0x70
[  439.988438]  ? __switch_to_asm+0x40/0x70
[  439.992498]  ? __switch_to_asm+0x34/0x70
[  439.996561]  bpf_clone_redirect+0xb9/0x490
[  440.000790]  ? __schedule+0x8d7/0x21d0
[  440.004682]  bpf_prog_bebbfe2050753572+0x93d/0x1000
[  440.009696]  ? __sched_text_start+0x8/0x8
[  440.013852]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.018614]  ? find_held_lock+0x36/0x1c0
[  440.022681]  ? lock_acquire+0x1ed/0x520
[  440.026653]  ? bpf_test_run+0x3ee/0x7a0
[  440.030622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.036153]  ? check_preemption_disabled+0x48/0x280
[  440.041169]  ? kasan_check_read+0x11/0x20
[  440.045413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.050694]  ? rcu_softirq_qs+0x20/0x20
[  440.054776]  ? preempt_schedule+0x4d/0x60
[  440.058924]  ? ___preempt_schedule+0x16/0x18
[  440.063333]  ? bpf_test_run+0x271/0x7a0
[  440.067313]  ? netlink_diag_dump+0x2a0/0x2a0
[  440.071718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.077250]  ? bpf_test_init.isra.10+0x70/0x100
[  440.081919]  ? bpf_prog_test_run_skb+0x762/0xd60
[  440.086678]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.091524]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.097057]  ? fput+0x130/0x1a0
[  440.100333]  ? __bpf_prog_get+0x9b/0x290
[  440.104397]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.109231]  ? bpf_prog_test_run+0x130/0x1a0
[  440.113641]  ? __x64_sys_bpf+0x3d8/0x520
[  440.117696]  ? bpf_prog_get+0x20/0x20
[  440.121509]  ? do_syscall_64+0x1b9/0x820
[  440.125564]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  440.130927]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.135857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.140697]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.145710]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  440.150727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.156254]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.161271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.166118]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  440.171497] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #106
[  440.171573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  440.178337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.184889] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.194143] Call Trace:
[  440.204606] syz-executor5 cpuset=syz5 mems_allowed=0
[  440.207180]  dump_stack+0x244/0x39d
[  440.215873]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.221068]  warn_alloc.cold.116+0xb7/0x1bd
[  440.225384]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.230226]  ? lock_downgrade+0x900/0x900
[  440.234479]  ? trace_hardirqs_off+0xb8/0x310
[  440.238890]  ? trace_hardirqs_off+0xb8/0x310
[  440.243311]  __alloc_pages_slowpath+0x2651/0x2de0
[  440.248181]  ? warn_alloc+0x120/0x120
[  440.251978]  ? warn_alloc+0x120/0x120
[  440.255776]  ? warn_alloc+0x120/0x120
[  440.259574]  ? print_usage_bug+0xc0/0xc0
[  440.263636]  ? print_usage_bug+0xc0/0xc0
[  440.267697]  ? check_preemption_disabled+0x48/0x280
[  440.272715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.278250]  ? should_fail+0x22d/0xd01
[  440.282154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.287256]  ? __lock_acquire+0x62f/0x4c20
[  440.291488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.296582]  ? __lock_acquire+0x62f/0x4c20
[  440.300809]  ? should_fail+0x22d/0xd01
[  440.304700]  ? mark_held_locks+0x130/0x130
[  440.308932]  ? mark_held_locks+0x130/0x130
[  440.313183]  ? zap_class+0x640/0x640