_read_flags+0x160/0x160
[  373.668675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.674217]  ? check_preemption_disabled+0x48/0x280
[  373.679256]  ? __lock_is_held+0xb5/0x140
[  373.683332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.688882]  ? check_preemption_disabled+0x48/0x280
[  373.693914]  run_timer_softirq+0x52/0xb0
[  373.697990]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.703007]  __do_softirq+0x308/0xb7e
[  373.706824]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.711315]  ? lock_downgrade+0x900/0x900
[  373.715471]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.720602]  ? pvclock_read_flags+0x160/0x160
[  373.725100]  ? lapic_next_event+0x5a/0x90
[  373.729253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.734797]  ? kvm_clock_read+0x18/0x30
[  373.738786]  ? kvm_sched_clock_read+0x9/0x20
[  373.743200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.748738]  ? check_preemption_disabled+0x48/0x280
[  373.753765]  irq_exit+0x17f/0x1c0
[  373.757225]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.762095]  ? smp_reschedule_interrupt+0x109/0x650
[  373.767114]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.773011]  ? interrupt_entry+0xb5/0xc0
[  373.777087]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.782108]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.787128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.791971]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.796990]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.802009]  ? task_prio+0x50/0x50
[  373.805551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.811090]  ? check_preemption_disabled+0x48/0x280
[  373.816108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.820971]  apic_timer_interrupt+0xf/0x20
[  373.825197]  </IRQ>
[  373.827455] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  373.832394] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  373.851317] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  373.859039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  373.866306] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  373.873573] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  373.880848] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  373.888127] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  373.895462]  skb_clone+0x1bb/0x500
[  373.899023]  ? skb_split+0x11e0/0x11e0
[  373.902936]  ? preempt_notifier_register+0x200/0x200
[  373.908037]  ? __switch_to_asm+0x34/0x70
[  373.912096]  ? __switch_to_asm+0x34/0x70
[  373.916163]  ? __switch_to_asm+0x40/0x70
[  373.920222]  ? __switch_to_asm+0x34/0x70
[  373.924280]  ? __switch_to_asm+0x40/0x70
[  373.928338]  ? __switch_to_asm+0x40/0x70
[  373.932414]  ? __switch_to_asm+0x34/0x70
[  373.936477]  ? __switch_to_asm+0x34/0x70
[  373.940537]  ? __switch_to_asm+0x40/0x70
[  373.944603]  ? __switch_to_asm+0x34/0x70
[  373.948669]  bpf_clone_redirect+0xb9/0x490
[  373.952917]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  373.957934]  ? __sched_text_start+0x8/0x8
[  373.962081]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  373.966854]  ? find_held_lock+0x36/0x1c0
[  373.970928]  ? lock_acquire+0x1ed/0x520
[  373.974909]  ? bpf_test_run+0x3ee/0x7a0
[  373.978887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.984449]  ? check_preemption_disabled+0x48/0x280
[  373.989472]  ? kasan_check_read+0x11/0x20
[  373.993649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.998985]  ? rcu_softirq_qs+0x20/0x20
[  374.002963]  ? preempt_schedule+0x4d/0x60
[  374.007108]  ? ___preempt_schedule+0x16/0x18
[  374.011522]  ? bpf_test_run+0x271/0x7a0
[  374.015509]  ? netlink_diag_dump+0x2a0/0x2a0
[  374.019919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.025476]  ? bpf_test_init.isra.10+0x70/0x100
[  374.030167]  ? bpf_prog_test_run_skb+0x762/0xd60
[  374.034935]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.039790]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  374.045329]  ? fput+0x130/0x1a0
[  374.048613]  ? __bpf_prog_get+0x9b/0x290
[  374.052678]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.057524]  ? bpf_prog_test_run+0x130/0x1a0
[  374.061933]  ? __x64_sys_bpf+0x3d8/0x520
[  374.066002]  ? bpf_prog_get+0x20/0x20
[  374.069842]  ? do_syscall_64+0x1b9/0x820
[  374.073902]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.079286]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.084217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.089077]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.094104]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  374.099118]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.104137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.108983]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.114363] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  374.114472] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.121315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.121320] Call Trace:
[  374.121339]  dump_stack+0x244/0x39d
[  374.121363]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.127901] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.137197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.139759] syz-executor2 cpuset=syz2 mems_allowed=0
[  374.143393]  warn_alloc.cold.116+0xb7/0x1bd
[  374.173969]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.178817]  ? lock_downgrade+0x900/0x900
[  374.182987]  ? trace_hardirqs_off+0xb8/0x310
[  374.187410]  ? trace_hardirqs_off+0xb8/0x310
[  374.192347]  __alloc_pages_slowpath+0x2651/0x2de0
[  374.197224]  ? warn_alloc+0x120/0x120
[  374.201045]  ? print_usage_bug+0xc0/0xc0
[  374.205106]  ? warn_alloc+0x120/0x120
[  374.208922]  ? warn_alloc+0x120/0x120
[  374.212725]  ? print_usage_bug+0xc0/0xc0
[  374.216792]  ? print_usage_bug+0xc0/0xc0
[  374.220856]  ? __lock_acquire+0x62f/0x4c20
[  374.225097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.230634]  ? should_fail+0x22d/0xd01
[  374.234529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.239633]  ? __lock_acquire+0x62f/0x4c20
[  374.243887]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.248997]  ? __lock_acquire+0x62f/0x4c20
[  374.253233]  ? should_fail+0x22d/0xd01
[  374.257123]  ? find_held_lock+0x36/0x1c0
[  374.261197]  ? mark_held_locks+0x130/0x130
[  374.265444]  ? mark_held_locks+0x130/0x130
[  374.269682]  ? zap_class+0x640/0x640
[  374.273411]  ? mark_held_locks+0xc7/0x130
[  374.277562]  ? do_raw_spin_unlock+0xa7/0x330
[  374.281974]  ? zap_class+0x640/0x640
[  374.285690]  ? print_usage_bug+0xc0/0xc0
[  374.289756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.295298]  ? check_preemption_disabled+0x48/0x280
[  374.300327]  ? __lock_is_held+0xb5/0x140
[  374.304402]  __alloc_pages_nodemask+0xad8/0xea0
[  374.309105]  ? zap_class+0x640/0x640
[  374.312825]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  374.317873]  ? find_held_lock+0x36/0x1c0
[  374.321947]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.326617]  ? lock_downgrade+0x900/0x900
[  374.330776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.336326]  cache_grow_begin+0xa5/0x8c0
[  374.340395]  ? do_raw_spin_unlock+0xa7/0x330
[  374.344831]  fallback_alloc+0x204/0x2e0
[  374.348840]  ____cache_alloc_node+0x1c7/0x1e0
[  374.353344]  kmem_cache_alloc_node+0xe3/0x730
[  374.357840]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.362090]  __alloc_skb+0x119/0x770
[  374.365818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.371141]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.375549]  ? lock_downgrade+0x900/0x900
[  374.379707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.385249]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.390703]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.396157]  ? addrconf_rs_timer+0x690/0x690
[  374.400581]  ndisc_alloc_skb+0x144/0x340
[  374.404647]  ndisc_send_rs+0x331/0x6e0
[  374.408542]  addrconf_rs_timer+0x314/0x690
[  374.412785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.417050]  call_timer_fn+0x272/0x920
[  374.420955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.425189]  ? process_timeout+0x40/0x40
[  374.429276]  ? __run_timers+0x7da/0xc70
[  374.433256]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.437781]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.442277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.446515]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.451104]  ? trace_hardirqs_on+0xbd/0x310
[  374.455426]  ? kasan_check_read+0x11/0x20
[  374.459573]  ? __run_timers+0x7da/0xc70
[  374.463550]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.468657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.472903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.477144]  __run_timers+0x7e5/0xc70
[  374.480985]  ? timer_fixup_init+0x70/0x70
[  374.485166]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.489662]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.494162]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.498746]  ? trace_hardirqs_on+0xbd/0x310
[  374.503075]  ? kasan_check_read+0x11/0x20
[  374.507226]  ? finish_task_switch+0x1f4/0x910
[  374.511725]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.516827]  ? compat_start_thread+0x80/0x80
[  374.521259]  ? pvclock_read_flags+0x160/0x160
[  374.525754]  ? __switch_to_asm+0x34/0x70
[  374.529818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.535360]  ? check_preemption_disabled+0x48/0x280
[  374.540404]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  374.545948]  ? rcu_pm_notify+0xc0/0xc0
[  374.549840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.555383]  ? check_preemption_disabled+0x48/0x280
[  374.560421]  run_timer_softirq+0x52/0xb0
[  374.564485]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.569509]  __do_softirq+0x308/0xb7e
[  374.573313]  ? retint_kernel+0x2d/0x2d
[  374.577206]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.582312]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.587763]  ? retint_kernel+0x2d/0x2d
[  374.591658]  ? schedule+0x108/0x460
[  374.595296]  ? trace_hardirqs_off+0xb8/0x310
[  374.599708]  ? smpboot_thread_fn+0x68b/0xa00
[  374.604117]  ? trace_hardirqs_on+0x310/0x310
[  374.608531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.614075]  ? check_preemption_disabled+0x48/0x280
[  374.619094]  ? takeover_tasklets+0xa90/0xa90
[  374.623505]  run_ksoftirqd+0x5e/0x100
[  374.627308]  smpboot_thread_fn+0x68b/0xa00
[  374.631549]  ? sort_range+0x30/0x30
[  374.635177]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  374.640291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.645831]  ? __kthread_parkme+0xfb/0x1a0
[  374.650088]  ? sort_range+0x30/0x30
[  374.653714]  kthread+0x35a/0x440
[  374.657082]  ? kthread_stop+0x900/0x900
[  374.661060]  ret_from_fork+0x3a/0x50
[  374.664789] warn_alloc_show_mem: 1 callbacks suppressed
[  374.664802] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  374.664803] Mem-Info:
[  374.664836] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  374.664836]  active_file:133 inactive_file:117 isolated_file:0
[  374.664836]  unevictable:0 dirty:3 writeback:0 unstable:0
[  374.664836]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  374.664836]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  374.664836]  free:13727 free_pcp:164 free_cma:0
[  374.670169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.677545] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  374.679914] Call Trace:
[  374.679949]  <IRQ>
[  374.713172] 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
[  374.722559]  dump_stack+0x244/0x39d
[  374.750303] lowmem_reserve[]: 0 2818 6321 6321
[  374.752899]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.755031] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  374.781137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.784739] lowmem_reserve[]: 0 0 3503 3503
[  374.789321]  warn_alloc.cold.116+0xb7/0x1bd
[  374.794488] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  374.822068]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.827596] lowmem_reserve[]: 0 0 0 0
[  374.831915]  ? lock_downgrade+0x900/0x900
[  374.836214] 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
[  374.865473]  ? trace_hardirqs_off+0xb8/0x310
[  374.870290] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  374.874084]  ? trace_hardirqs_off+0xb8/0x310
[  374.878209] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  374.891743]  __alloc_pages_slowpath+0x2651/0x2de0
[  374.896129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.911480]  ? warn_alloc+0x120/0x120
[  374.915851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.929363]  ? print_usage_bug+0xc0/0xc0
[  374.934180] 2220 total pagecache pages
[  374.943010]  ? warn_alloc+0x120/0x120
[  374.946824] 0 pages in swap cache
[  374.955418]  ? warn_alloc+0x120/0x120
[  374.959453] Swap cache stats: add 0, delete 0, find 0/0
[  374.963332]  ? print_usage_bug+0xc0/0xc0
[  374.967107] Free swap  = 0kB
[  374.970570]  ? print_usage_bug+0xc0/0xc0
[  374.974375] Total swap = 0kB
[  374.979741]  ? __lock_acquire+0x62f/0x4c20
[  374.983775] 1965979 pages RAM
[  374.986784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.990817] 0 pages HighMem/MovableOnly
[  374.993833]  ? should_fail+0x22d/0xd01
[  374.998040] 342854 pages reserved
[  375.001138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.006664] 0 pages cma reserved
[  375.010630]  ? __lock_acquire+0x62f/0x4c20
[  375.014564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.017941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.023101] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.026394]  ? __lock_acquire+0x62f/0x4c20
[  375.030606] ksoftirqd/1 cpuset=/ mems_allowed=0
[  375.037088]  ? should_fail+0x22d/0xd01
[  375.037104]  ? find_held_lock+0x36/0x1c0
[  375.069827]  ? mark_held_locks+0x130/0x130
[  375.074071]  ? mark_held_locks+0x130/0x130
[  375.078308]  ? zap_class+0x640/0x640
[  375.082021]  ? zap_class+0x640/0x640
[  375.085738]  ? print_usage_bug+0xc0/0xc0
[  375.089796]  ? do_raw_spin_unlock+0xa7/0x330
[  375.094223]  ? zap_class+0x640/0x640
[  375.097935]  ? print_usage_bug+0xc0/0xc0
[  375.101993]  ? wq_watchdog_touch+0x9c/0xfe
[  375.106230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.111770]  ? check_preemption_disabled+0x48/0x280
[  375.116810]  ? __lock_is_held+0xb5/0x140
[  375.120879]  __alloc_pages_nodemask+0xad8/0xea0
[  375.125547]  ? zap_class+0x640/0x640
[  375.129279]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  375.134322]  ? find_held_lock+0x36/0x1c0
[  375.138400]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.143090]  ? lock_downgrade+0x900/0x900
[  375.147247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.152828]  cache_grow_begin+0xa5/0x8c0
[  375.156888]  ? do_raw_spin_unlock+0xa7/0x330
[  375.161303]  fallback_alloc+0x204/0x2e0
[  375.165283]  ____cache_alloc_node+0x1c7/0x1e0
[  375.169788]  kmem_cache_alloc_node+0xe3/0x730
[  375.174283]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.178532]  __alloc_skb+0x119/0x770
[  375.182276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.187555]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.191974]  ? lock_downgrade+0x900/0x900
[  375.196131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.201670]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.207154]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.212608]  ? addrconf_rs_timer+0x690/0x690
[  375.217031]  ndisc_alloc_skb+0x144/0x340
[  375.221100]  ndisc_send_rs+0x331/0x6e0
[  375.224990]  addrconf_rs_timer+0x314/0x690
[  375.229229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.233473]  call_timer_fn+0x272/0x920
[  375.237362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.241606]  ? process_timeout+0x40/0x40
[  375.245677]  ? __run_timers+0x7da/0xc70
[  375.249651]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.254146]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.258653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.262904]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.267490]  ? trace_hardirqs_on+0xbd/0x310
[  375.271811]  ? kasan_check_read+0x11/0x20
[  375.275959]  ? __run_timers+0x7da/0xc70
[  375.279934]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.285039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.289277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.293514]  __run_timers+0x7e5/0xc70
[  375.297330]  ? timer_fixup_init+0x70/0x70
[  375.301478]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.306501]  ? zap_class+0x640/0x640
[  375.310220]  ? enqueue_hrtimer+0x1a5/0x560
[  375.314471]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.319671]  ? find_held_lock+0x36/0x1c0
[  375.323739]  ? zap_class+0x640/0x640
[  375.327457]  ? pvclock_read_flags+0x160/0x160
[  375.331954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.337498]  ? check_preemption_disabled+0x48/0x280
[  375.342525]  ? __lock_is_held+0xb5/0x140
[  375.346591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.352128]  ? check_preemption_disabled+0x48/0x280
[  375.357151]  run_timer_softirq+0x52/0xb0
[  375.361217]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.366238]  __do_softirq+0x308/0xb7e
[  375.370060]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.374563]  ? lock_downgrade+0x900/0x900
[  375.378716]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.383827]  ? pvclock_read_flags+0x160/0x160
[  375.388326]  ? lapic_next_event+0x5a/0x90
[  375.392476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.398033]  ? kvm_clock_read+0x18/0x30
[  375.402003]  ? kvm_sched_clock_read+0x9/0x20
[  375.406425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.411963]  ? check_preemption_disabled+0x48/0x280
[  375.416984]  irq_exit+0x17f/0x1c0
[  375.420442]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.425285]  ? smp_reschedule_interrupt+0x109/0x650
[  375.430317]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.436203]  ? interrupt_entry+0xb5/0xc0
[  375.440264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.445285]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.450306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.455177]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.460194]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.465225]  ? task_prio+0x50/0x50
[  375.468767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.474317]  ? check_preemption_disabled+0x48/0x280
[  375.479351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.484206]  apic_timer_interrupt+0xf/0x20
[  375.488434]  </IRQ>
[  375.490677] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  375.495606] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  375.514511] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  375.522214] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  375.529478] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  375.536741] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  375.544007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  375.551323] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  375.558626]  skb_clone+0x1bb/0x500
[  375.562164]  ? skb_split+0x11e0/0x11e0
[  375.566052]  ? preempt_notifier_register+0x200/0x200
[  375.571153]  ? __switch_to_asm+0x34/0x70
[  375.575214]  ? __switch_to_asm+0x34/0x70
[  375.579277]  ? __switch_to_asm+0x40/0x70
[  375.583338]  ? __switch_to_asm+0x34/0x70
[  375.587413]  ? __switch_to_asm+0x40/0x70
[  375.591482]  ? __switch_to_asm+0x40/0x70
[  375.595545]  ? __switch_to_asm+0x34/0x70
[  375.599606]  ? __switch_to_asm+0x34/0x70
[  375.603663]  ? __switch_to_asm+0x40/0x70
[  375.607722]  ? __switch_to_asm+0x34/0x70
[  375.611789]  bpf_clone_redirect+0xb9/0x490
[  375.616032]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  375.621054]  ? __sched_text_start+0x8/0x8
[  375.625206]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.629972]  ? find_held_lock+0x36/0x1c0
[  375.634046]  ? lock_acquire+0x1ed/0x520
[  375.638020]  ? bpf_test_run+0x3ee/0x7a0
[  375.641999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.647544]  ? check_preemption_disabled+0x48/0x280
[  375.652570]  ? kasan_check_read+0x11/0x20
[  375.656720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.661996]  ? rcu_softirq_qs+0x20/0x20
[  375.665972]  ? preempt_schedule+0x4d/0x60
[  375.670123]  ? ___preempt_schedule+0x16/0x18
[  375.674540]  ? bpf_test_run+0x271/0x7a0
[  375.678531]  ? netlink_diag_dump+0x2a0/0x2a0
[  375.682942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.688479]  ? bpf_test_init.isra.10+0x70/0x100
[  375.693159]  ? bpf_prog_test_run_skb+0x762/0xd60
[  375.697925]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.702778]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.708315]  ? fput+0x130/0x1a0
[  375.711600]  ? __bpf_prog_get+0x9b/0x290
[  375.715667]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.720514]  ? bpf_prog_test_run+0x130/0x1a0
[  375.724926]  ? __x64_sys_bpf+0x3d8/0x520
[  375.729004]  ? bpf_prog_get+0x20/0x20
[  375.732909]  ? do_syscall_64+0x1b9/0x820
[  375.736974]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.742343]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.747273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.752118]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.757138]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.762158]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.767186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.772037]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.777432] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  375.777499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.784358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.784364] Call Trace:
[  375.784382]  dump_stack+0x244/0x39d
[  375.784415]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.790971] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.800248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.802812] syz-executor2 cpuset=syz2 mems_allowed=0
[  375.806438]  warn_alloc.cold.116+0xb7/0x1bd
[  375.836983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.841828]  ? lock_downgrade+0x900/0x900
[  375.845987]  ? trace_hardirqs_off+0xb8/0x310
[  375.850414]  ? trace_hardirqs_off+0xb8/0x310
[  375.854832]  __alloc_pages_slowpath+0x2651/0x2de0
[  375.859709]  ? warn_alloc+0x120/0x120
[  375.863516]  ? print_usage_bug+0xc0/0xc0
[  375.867580]  ? warn_alloc+0x120/0x120
[  375.871394]  ? warn_alloc+0x120/0x120
[  375.875203]  ? print_usage_bug+0xc0/0xc0
[  375.879274]  ? print_usage_bug+0xc0/0xc0
[  375.883337]  ? __lock_acquire+0x62f/0x4c20
[  375.887578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.893144]  ? should_fail+0x22d/0xd01
[  375.897052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.902159]  ? __lock_acquire+0x62f/0x4c20
[  375.906411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.911515]  ? __lock_acquire+0x62f/0x4c20
[  375.915762]  ? should_fail+0x22d/0xd01
[  375.919654]  ? find_held_lock+0x36/0x1c0
[  375.923729]  ? mark_held_locks+0x130/0x130
[  375.927970]  ? mark_held_locks+0x130/0x130
[  375.932201]  ? zap_class+0x640/0x640
[  375.935927]  ? mark_held_locks+0xc7/0x130
[  375.940077]  ? do_raw_spin_unlock+0xa7/0x330
[  375.944485]  ? zap_class+0x640/0x640
[  375.948203]  ? print_usage_bug+0xc0/0xc0
[  375.952270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.957810]  ? check_preemption_disabled+0x48/0x280
[  375.962836]  ? __lock_is_held+0xb5/0x140
[  375.966905]  __alloc_pages_nodemask+0xad8/0xea0
[  375.971584]  ? zap_class+0x640/0x640
[  375.975308]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  375.980341]  ? find_held_lock+0x36/0x1c0
[  375.984424]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.989097]  ? lock_downgrade+0x900/0x900
[  375.993252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.998793]  cache_grow_begin+0xa5/0x8c0
[  376.002855]  ? do_raw_spin_unlock+0xa7/0x330
[  376.007271]  fallback_alloc+0x204/0x2e0
[  376.011252]  ____cache_alloc_node+0x1c7/0x1e0
[  376.015755]  kmem_cache_alloc_node+0xe3/0x730
[  376.020253]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.024500]  __alloc_skb+0x119/0x770
[  376.028214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.033495]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.037914]  ? lock_downgrade+0x900/0x900
[  376.042074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.047615]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.053073]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.058526]  ? addrconf_rs_timer+0x690/0x690
[  376.062952]  ndisc_alloc_skb+0x144/0x340
[  376.067023]  ndisc_send_rs+0x331/0x6e0
[  376.070927]  addrconf_rs_timer+0x314/0x690
[  376.075172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.079426]  call_timer_fn+0x272/0x920
[  376.083319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.087575]  ? process_timeout+0x40/0x40
[  376.091648]  ? __run_timers+0x7da/0xc70
[  376.095623]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.100122]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.104616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.108852]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.113440]  ? trace_hardirqs_on+0xbd/0x310
[  376.117767]  ? kasan_check_read+0x11/0x20
[  376.121919]  ? __run_timers+0x7da/0xc70
[  376.125898]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.131016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.135255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.139490]  __run_timers+0x7e5/0xc70
[  376.143302]  ? timer_fixup_init+0x70/0x70
[  376.147449]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.151940]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.156434]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.161019]  ? trace_hardirqs_on+0xbd/0x310
[  376.165341]  ? kasan_check_read+0x11/0x20
[  376.169493]  ? finish_task_switch+0x1f4/0x910
[  376.173995]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.179099]  ? compat_start_thread+0x80/0x80
[  376.183529]  ? pvclock_read_flags+0x160/0x160
[  376.188025]  ? __switch_to_asm+0x34/0x70
[  376.192091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.198113]  ? check_preemption_disabled+0x48/0x280
[  376.203142]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  376.208685]  ? rcu_pm_notify+0xc0/0xc0
[  376.212580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.218119]  ? check_preemption_disabled+0x48/0x280
[  376.223140]  run_timer_softirq+0x52/0xb0
[  376.227203]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.232220]  __do_softirq+0x308/0xb7e
[  376.236023]  ? retint_kernel+0x2d/0x2d
[  376.239921]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.245024]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.250475]  ? retint_kernel+0x2d/0x2d
[  376.254370]  ? schedule+0x108/0x460
[  376.258019]  ? trace_hardirqs_off+0xb8/0x310
[  376.262434]  ? smpboot_thread_fn+0x68b/0xa00
[  376.266844]  ? trace_hardirqs_on+0x310/0x310
[  376.271256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.276799]  ? check_preemption_disabled+0x48/0x280
[  376.281817]  ? takeover_tasklets+0xa90/0xa90
[  376.286228]  run_ksoftirqd+0x5e/0x100
[  376.290034]  smpboot_thread_fn+0x68b/0xa00
[  376.294275]  ? sort_range+0x30/0x30
[  376.297937]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.303072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.308622]  ? __kthread_parkme+0xfb/0x1a0
[  376.312876]  ? sort_range+0x30/0x30
[  376.316506]  kthread+0x35a/0x440
[  376.319890]  ? kthread_stop+0x900/0x900
[  376.323873]  ret_from_fork+0x3a/0x50
[  376.327611] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  376.327617] warn_alloc_show_mem: 1 callbacks suppressed
[  376.327624] Mem-Info:
[  376.334995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.340366] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  376.340366]  active_file:133 inactive_file:117 isolated_file:0
[  376.340366]  unevictable:0 dirty:3 writeback:0 unstable:0
[  376.340366]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  376.340366]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  376.340366]  free:13727 free_pcp:164 free_cma:0
[  376.342738] Call Trace:
[  376.352169] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  376.385358]  <IRQ>
[  376.387928] 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
[  376.415697]  dump_stack+0x244/0x39d
[  376.417824] lowmem_reserve[]: 0 2818 6321 6321
[  376.443947]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.447549] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  376.452130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.457293] lowmem_reserve[]: 0 0 3503 3503
[  376.484886]  warn_alloc.cold.116+0xb7/0x1bd
[  376.490404] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  376.494725]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.499020] lowmem_reserve[]: 0 0 0 0
[  376.528251]  ? lock_downgrade+0x900/0x900
[  376.533068] 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
[  376.536880]  ? trace_hardirqs_off+0xb8/0x310
[  376.541000] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  376.554522]  ? trace_hardirqs_off+0xb8/0x310
[  376.558925] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  376.574276]  __alloc_pages_slowpath+0x2651/0x2de0
[  376.578664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  376.592191]  ? warn_alloc+0x120/0x120
[  376.596996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  376.605817]  ? print_usage_bug+0xc0/0xc0
[  376.609592] 2220 total pagecache pages
[  376.618158]  ? warn_alloc+0x120/0x120
[  376.622203] 0 pages in swap cache
[  376.626082]  ? warn_alloc+0x120/0x120
[  376.629863] Swap cache stats: add 0, delete 0, find 0/0
[  376.633306]  ? print_usage_bug+0xc0/0xc0
[  376.637082] Free swap  = 0kB
[  376.642446]  ? kvm_clock_read+0x18/0x30
[  376.646481] Total swap = 0kB
[  376.649496]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  376.653462] 1965979 pages RAM
[  376.656472]  ? print_usage_bug+0xc0/0xc0
[  376.661467] 0 pages HighMem/MovableOnly
[  376.664567]  ? __lock_acquire+0x62f/0x4c20
[  376.668606] 342854 pages reserved
[  376.672573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.676797] 0 pages cma reserved
[  376.680245]  ? should_fail+0x22d/0xd01
[  376.685825] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.689111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.689129]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.689145]  ? __lock_acquire+0x62f/0x4c20
[  376.693067] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.699495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.704764] ksoftirqd/1 cpuset=/ mems_allowed=0
[  376.709861]  ? __lock_acquire+0x62f/0x4c20
[  376.738374]  ? should_fail+0x22d/0xd01
[  376.742274]  ? rcu_irq_exit+0x1a2/0x390
[  376.746262]  ? mark_held_locks+0x130/0x130
[  376.750505]  ? mark_held_locks+0x130/0x130
[  376.754745]  ? mark_held_locks+0xc7/0x130
[  376.758894]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  376.763912]  ? zap_class+0x640/0x640
[  376.767630]  ? print_usage_bug+0xc0/0xc0
[  376.771696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.777236]  ? check_preemption_disabled+0x48/0x280
[  376.782265]  ? __lock_is_held+0xb5/0x140
[  376.786336]  __alloc_pages_nodemask+0xad8/0xea0
[  376.791005]  ? zap_class+0x640/0x640
[  376.794726]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  376.799757]  ? find_held_lock+0x36/0x1c0
[  376.803841]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.808527]  ? lock_downgrade+0x900/0x900
[  376.812684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.818225]  cache_grow_begin+0xa5/0x8c0
[  376.822288]  ? do_raw_spin_unlock+0xa7/0x330
[  376.826705]  fallback_alloc+0x204/0x2e0
[  376.830686]  ____cache_alloc_node+0x1c7/0x1e0
[  376.835186]  kmem_cache_alloc_node+0xe3/0x730
[  376.839680]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.843924]  __alloc_skb+0x119/0x770
[  376.847639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.852934]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.857357]  ? lock_downgrade+0x900/0x900
[  376.861520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.867067]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.872520]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.877970]  ? addrconf_rs_timer+0x690/0x690
[  376.882402]  ndisc_alloc_skb+0x144/0x340
[  376.886476]  ndisc_send_rs+0x331/0x6e0
[  376.890403]  addrconf_rs_timer+0x314/0x690
[  376.894665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.898914]  call_timer_fn+0x272/0x920
[  376.902807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.907047]  ? process_timeout+0x40/0x40
[  376.911118]  ? __run_timers+0x7da/0xc70
[  376.915092]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.919588]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.924081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.928329]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.932919]  ? trace_hardirqs_on+0xbd/0x310
[  376.937242]  ? kasan_check_read+0x11/0x20
[  376.941395]  ? __run_timers+0x7da/0xc70
[  376.945383]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.950507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.954749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.958997]  __run_timers+0x7e5/0xc70
[  376.962837]  ? timer_fixup_init+0x70/0x70
[  376.966991]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.972025]  ? zap_class+0x640/0x640
[  376.975748]  ? enqueue_hrtimer+0x1a5/0x560
[  376.979984]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  376.985179]  ? find_held_lock+0x36/0x1c0
[  376.989246]  ? zap_class+0x640/0x640
[  376.992972]  ? pvclock_read_flags+0x160/0x160
[  376.997469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.003009]  ? check_preemption_disabled+0x48/0x280
[  377.008039]  ? __lock_is_held+0xb5/0x140
[  377.012101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.017640]  ? check_preemption_disabled+0x48/0x280
[  377.022660]  run_timer_softirq+0x52/0xb0
[  377.026727]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.031743]  __do_softirq+0x308/0xb7e
[  377.035546]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.040041]  ? lock_downgrade+0x900/0x900
[  377.044194]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.049308]  ? pvclock_read_flags+0x160/0x160
[  377.053809]  ? lapic_next_event+0x5a/0x90
[  377.057960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.063943]  ? kvm_clock_read+0x18/0x30
[  377.067918]  ? kvm_sched_clock_read+0x9/0x20
[  377.072332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.077869]  ? check_preemption_disabled+0x48/0x280
[  377.082894]  irq_exit+0x17f/0x1c0
[  377.086349]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.091192]  ? smp_reschedule_interrupt+0x109/0x650
[  377.096222]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.102150]  ? interrupt_entry+0xb5/0xc0
[  377.106225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.111241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.116288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.121134]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.126148]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.131169]  ? task_prio+0x50/0x50
[  377.134712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.140252]  ? check_preemption_disabled+0x48/0x280
[  377.145275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.150129]  apic_timer_interrupt+0xf/0x20
[  377.154359]  </IRQ>
[  377.156608] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  377.161539] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  377.180440] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  377.188149] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.195423] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  377.202739] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  377.210005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  377.217272] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  377.224577]  skb_clone+0x1bb/0x500
[  377.228123]  ? skb_split+0x11e0/0x11e0
[  377.232015]  ? preempt_notifier_register+0x200/0x200
[  377.237129]  ? __switch_to_asm+0x34/0x70
[  377.241188]  ? __switch_to_asm+0x34/0x70
[  377.245247]  ? __switch_to_asm+0x40/0x70
[  377.249304]  ? __switch_to_asm+0x34/0x70
[  377.253361]  ? __switch_to_asm+0x40/0x70
[  377.257437]  ? __switch_to_asm+0x40/0x70
[  377.261500]  ? __switch_to_asm+0x34/0x70
[  377.265562]  ? __switch_to_asm+0x34/0x70
[  377.269619]  ? __switch_to_asm+0x40/0x70
[  377.273680]  ? __switch_to_asm+0x34/0x70
[  377.277747]  bpf_clone_redirect+0xb9/0x490
[  377.281991]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  377.287015]  ? __sched_text_start+0x8/0x8
[  377.291167]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.295932]  ? find_held_lock+0x36/0x1c0
[  377.300035]  ? lock_acquire+0x1ed/0x520
[  377.304012]  ? bpf_test_run+0x3ee/0x7a0
[  377.307991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.313535]  ? check_preemption_disabled+0x48/0x280
[  377.318558]  ? kasan_check_read+0x11/0x20
[  377.322705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.327984]  ? rcu_softirq_qs+0x20/0x20
[  377.331958]  ? preempt_schedule+0x4d/0x60
[  377.336121]  ? ___preempt_schedule+0x16/0x18
[  377.340581]  ? bpf_test_run+0x271/0x7a0
[  377.344570]  ? netlink_diag_dump+0x2a0/0x2a0
[  377.348980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.354515]  ? bpf_test_init.isra.10+0x70/0x100
[  377.359189]  ? bpf_prog_test_run_skb+0x762/0xd60
[  377.363979]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  377.368826]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  377.374362]  ? fput+0x130/0x1a0
[  377.377659]  ? __bpf_prog_get+0x9b/0x290
[  377.381730]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  377.386578]  ? bpf_prog_test_run+0x130/0x1a0
[  377.391004]  ? __x64_sys_bpf+0x3d8/0x520
[  377.395062]  ? bpf_prog_get+0x20/0x20
[  377.398884]  ? do_syscall_64+0x1b9/0x820
[  377.402945]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  377.408309]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.413242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.418090]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.423109]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  377.428146]  ? prepare_exit_to_usermode+0x291/0x3b0
[  377.433168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.438020]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  377.443410] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  377.443507] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.450343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.450349] Call Trace:
[  377.450367]  dump_stack+0x244/0x39d
[  377.450395]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.450413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.456942] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.466247]  warn_alloc.cold.116+0xb7/0x1bd
[  377.468801] syz-executor2 cpuset=syz2 mems_allowed=0
[  377.472432]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.507846]  ? lock_downgrade+0x900/0x900
[  377.512005]  ? trace_hardirqs_off+0xb8/0x310
[  377.516425]  ? trace_hardirqs_off+0xb8/0x310
[  377.520847]  __alloc_pages_slowpath+0x2651/0x2de0
[  377.525723]  ? warn_alloc+0x120/0x120
[  377.529529]  ? print_usage_bug+0xc0/0xc0
[  377.533592]  ? warn_alloc+0x120/0x120
[  377.537412]  ? warn_alloc+0x120/0x120
[  377.541222]  ? print_usage_bug+0xc0/0xc0
[  377.545319]  ? print_usage_bug+0xc0/0xc0
[  377.549383]  ? __lock_acquire+0x62f/0x4c20
[  377.553645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.559186]  ? should_fail+0x22d/0xd01
[  377.563083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.568192]  ? __lock_acquire+0x62f/0x4c20
[  377.572433]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.577535]  ? __lock_acquire+0x62f/0x4c20
[  377.581774]  ? should_fail+0x22d/0xd01
[  377.585663]  ? find_held_lock+0x36/0x1c0
[  377.589735]  ? mark_held_locks+0x130/0x130
[  377.593978]  ? mark_held_locks+0x130/0x130
[  377.598211]  ? zap_class+0x640/0x640
[  377.601930]  ? zap_class+0x640/0x640
[  377.605665]  ? print_usage_bug+0xc0/0xc0
[  377.609726]  ? do_raw_spin_unlock+0xa7/0x330
[  377.614135]  ? zap_class+0x640/0x640
[  377.617853]  ? print_usage_bug+0xc0/0xc0
[  377.621918]  ? wq_watchdog_touch+0x9c/0xfe
[  377.626160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.631699]  ? check_preemption_disabled+0x48/0x280
[  377.636729]  ? __lock_is_held+0xb5/0x140
[  377.640825]  __alloc_pages_nodemask+0xad8/0xea0
[  377.645494]  ? zap_class+0x640/0x640
[  377.649214]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  377.654242]  ? find_held_lock+0x36/0x1c0
[  377.658315]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.662986]  ? lock_downgrade+0x900/0x900
[  377.667145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.672692]  cache_grow_begin+0xa5/0x8c0
[  377.676755]  ? do_raw_spin_unlock+0xa7/0x330
[  377.681172]  fallback_alloc+0x204/0x2e0
[  377.685153]  ____cache_alloc_node+0x1c7/0x1e0
[  377.689654]  kmem_cache_alloc_node+0xe3/0x730
[  377.694153]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.698407]  __alloc_skb+0x119/0x770
[  377.702126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.707443]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.711850]  ? lock_downgrade+0x900/0x900
[  377.716032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.721581]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.727039]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.732493]  ? addrconf_rs_timer+0x690/0x690
[  377.736922]  ndisc_alloc_skb+0x144/0x340
[  377.740991]  ndisc_send_rs+0x331/0x6e0
[  377.744888]  addrconf_rs_timer+0x314/0x690
[  377.749154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.753409]  call_timer_fn+0x272/0x920
[  377.757303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.761540]  ? process_timeout+0x40/0x40
[  377.765608]  ? __run_timers+0x7da/0xc70
[  377.769587]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.774107]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.778602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.782841]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.787450]  ? trace_hardirqs_on+0xbd/0x310
[  377.791773]  ? kasan_check_read+0x11/0x20
[  377.795927]  ? __run_timers+0x7da/0xc70
[  377.799907]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.805024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.809263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.813499]  __run_timers+0x7e5/0xc70
[  377.817311]  ? timer_fixup_init+0x70/0x70
[  377.821462]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.825971]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.830468]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.835051]  ? trace_hardirqs_on+0xbd/0x310
[  377.839372]  ? kasan_check_read+0x11/0x20
[  377.843535]  ? finish_task_switch+0x1f4/0x910
[  377.848030]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.853140]  ? compat_start_thread+0x80/0x80
[  377.857572]  ? pvclock_read_flags+0x160/0x160
[  377.862083]  ? __switch_to_asm+0x34/0x70
[  377.866162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.871701]  ? check_preemption_disabled+0x48/0x280
[  377.876728]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  377.882296]  ? rcu_pm_notify+0xc0/0xc0
[  377.886190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.891728]  ? check_preemption_disabled+0x48/0x280
[  377.896751]  run_timer_softirq+0x52/0xb0
[  377.900812]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.905834]  __do_softirq+0x308/0xb7e
[  377.909640]  ? retint_kernel+0x2d/0x2d
[  377.913529]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.918633]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.924083]  ? retint_kernel+0x2d/0x2d
[  377.927974]  ? schedule+0x108/0x460
[  377.931612]  ? trace_hardirqs_off+0xb8/0x310
[  377.936024]  ? smpboot_thread_fn+0x68b/0xa00
[  377.940448]  ? trace_hardirqs_on+0x310/0x310
[  377.944861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.950419]  ? check_preemption_disabled+0x48/0x280
[  377.955444]  ? takeover_tasklets+0xa90/0xa90
[  377.959852]  run_ksoftirqd+0x5e/0x100
[  377.963656]  smpboot_thread_fn+0x68b/0xa00
[  377.967914]  ? sort_range+0x30/0x30
[  377.971541]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.976647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.982189]  ? __kthread_parkme+0xfb/0x1a0
[  377.986467]  ? sort_range+0x30/0x30
[  377.990111]  kthread+0x35a/0x440
[  377.993500]  ? kthread_stop+0x900/0x900
[  377.997474]  ret_from_fork+0x3a/0x50
[  378.001210] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  378.001216] warn_alloc_show_mem: 1 callbacks suppressed
[  378.001223] Mem-Info:
[  378.008577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.013983] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  378.013983]  active_file:133 inactive_file:117 isolated_file:0
[  378.013983]  unevictable:0 dirty:3 writeback:0 unstable:0
[  378.013983]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  378.013983]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  378.013983]  free:13727 free_pcp:164 free_cma:0
[  378.016353] Call Trace:
[  378.025740] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  378.058929]  <IRQ>
[  378.061503] 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
[  378.089268]  dump_stack+0x244/0x39d
[  378.091404] lowmem_reserve[]: 0 2818 6321 6321
[  378.117512]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.121115] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  378.125689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.130853] lowmem_reserve[]: 0 0 3503 3503
[  378.158443]  warn_alloc.cold.116+0xb7/0x1bd
[  378.163953] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  378.168268]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.172561] lowmem_reserve[]: 0 0 0 0
[  378.201926]  ? lock_downgrade+0x900/0x900
[  378.206750] 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
[  378.210547]  ? trace_hardirqs_off+0xb8/0x310
[  378.214670] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  378.228190]  ? trace_hardirqs_off+0xb8/0x310
[  378.232576] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  378.247916]  __alloc_pages_slowpath+0x2651/0x2de0
[  378.252325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  378.265870]  ? warn_alloc+0x120/0x120
[  378.270671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  378.279494]  ? print_usage_bug+0xc0/0xc0
[  378.283287] 2220 total pagecache pages
[  378.291853]  ? warn_alloc+0x120/0x120
[  378.295894] 0 pages in swap cache
[  378.299771]  ? warn_alloc+0x120/0x120
[  378.303554] Swap cache stats: add 0, delete 0, find 0/0
[  378.307000]  ? print_usage_bug+0xc0/0xc0
[  378.310778] Free swap  = 0kB
[  378.316134]  ? print_usage_bug+0xc0/0xc0
[  378.320174] Total swap = 0kB
[  378.323188]  ? __lock_acquire+0x62f/0x4c20
[  378.327222] 1965979 pages RAM
[  378.330238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.334448] 0 pages HighMem/MovableOnly
[  378.337575]  ? should_fail+0x22d/0xd01
[  378.343088] 342854 pages reserved
[  378.347056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.350934] 0 pages cma reserved
[  378.354404]  ? __lock_acquire+0x62f/0x4c20
[  378.359576] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.362843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.367109] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.373541]  ? __lock_acquire+0x62f/0x4c20
[  378.378622] ksoftirqd/1 cpuset=/ mems_allowed=0
[  378.388930]  ? should_fail+0x22d/0xd01
[  378.401668]  ? find_held_lock+0x36/0x1c0
[  378.405738]  ? mark_held_locks+0x130/0x130
[  378.409980]  ? mark_held_locks+0x130/0x130
[  378.414214]  ? zap_class+0x640/0x640
[  378.417924]  ? zap_class+0x640/0x640
[  378.421636]  ? print_usage_bug+0xc0/0xc0
[  378.425696]  ? do_raw_spin_unlock+0xa7/0x330
[  378.430115]  ? zap_class+0x640/0x640
[  378.433855]  ? print_usage_bug+0xc0/0xc0
[  378.437917]  ? wq_watchdog_touch+0x9c/0xfe
[  378.442151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.447706]  ? check_preemption_disabled+0x48/0x280
[  378.452733]  ? __lock_is_held+0xb5/0x140
[  378.456819]  __alloc_pages_nodemask+0xad8/0xea0
[  378.461504]  ? zap_class+0x640/0x640
[  378.465228]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  378.470259]  ? find_held_lock+0x36/0x1c0
[  378.474330]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.479013]  ? lock_downgrade+0x900/0x900
[  378.483170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.488711]  cache_grow_begin+0xa5/0x8c0
[  378.492771]  ? do_raw_spin_unlock+0xa7/0x330
[  378.497201]  fallback_alloc+0x204/0x2e0
[  378.501200]  ____cache_alloc_node+0x1c7/0x1e0
[  378.505704]  kmem_cache_alloc_node+0xe3/0x730
[  378.510199]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.514453]  __alloc_skb+0x119/0x770
[  378.518166]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.523453]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.527866]  ? lock_downgrade+0x900/0x900
[  378.532050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.537587]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.543053]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.548525]  ? addrconf_rs_timer+0x690/0x690
[  378.552943]  ndisc_alloc_skb+0x144/0x340
[  378.557010]  ndisc_send_rs+0x331/0x6e0
[  378.560905]  addrconf_rs_timer+0x314/0x690
[  378.565144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.569400]  call_timer_fn+0x272/0x920
[  378.573294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.577533]  ? process_timeout+0x40/0x40
[  378.581605]  ? __run_timers+0x7da/0xc70
[  378.585586]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.590083]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.594581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.598818]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.603420]  ? trace_hardirqs_on+0xbd/0x310
[  378.607743]  ? kasan_check_read+0x11/0x20
[  378.611894]  ? __run_timers+0x7da/0xc70
[  378.615870]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.620976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.625215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.629448]  __run_timers+0x7e5/0xc70
[  378.633260]  ? timer_fixup_init+0x70/0x70
[  378.637423]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.642448]  ? zap_class+0x640/0x640
[  378.646169]  ? enqueue_hrtimer+0x1a5/0x560
[  378.650420]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.655624]  ? find_held_lock+0x36/0x1c0
[  378.659689]  ? zap_class+0x640/0x640
[  378.663421]  ? pvclock_read_flags+0x160/0x160
[  378.667924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.673464]  ? check_preemption_disabled+0x48/0x280
[  378.678493]  ? __lock_is_held+0xb5/0x140
[  378.682560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.688103]  ? check_preemption_disabled+0x48/0x280
[  378.693128]  run_timer_softirq+0x52/0xb0
[  378.697190]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.702206]  __do_softirq+0x308/0xb7e
[  378.706014]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.710512]  ? lock_downgrade+0x900/0x900
[  378.714670]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.719783]  ? pvclock_read_flags+0x160/0x160
[  378.724286]  ? lapic_next_event+0x5a/0x90
[  378.728442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.733988]  ? kvm_clock_read+0x18/0x30
[  378.737968]  ? kvm_sched_clock_read+0x9/0x20
[  378.742379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.747934]  ? check_preemption_disabled+0x48/0x280
[  378.752962]  irq_exit+0x17f/0x1c0
[  378.756429]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.761276]  ? smp_reschedule_interrupt+0x109/0x650
[  378.766297]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.772185]  ? interrupt_entry+0xb5/0xc0
[  378.776253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.781268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.786288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.791135]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.796152]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.801168]  ? task_prio+0x50/0x50
[  378.804713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.810250]  ? check_preemption_disabled+0x48/0x280
[  378.815286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.820136]  apic_timer_interrupt+0xf/0x20
[  378.824375]  </IRQ>
[  378.826632] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  378.831564] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  378.850466] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  378.858170] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  378.865458] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  378.872739] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  378.880002] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  378.887284] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  378.894588]  skb_clone+0x1bb/0x500
[  378.898131]  ? skb_split+0x11e0/0x11e0
[  378.902036]  ? preempt_notifier_register+0x200/0x200
[  378.907151]  ? __switch_to_asm+0x34/0x70
[  378.911215]  ? __switch_to_asm+0x34/0x70
[  378.915271]  ? __switch_to_asm+0x40/0x70
[  378.919332]  ? __switch_to_asm+0x34/0x70
[  378.923400]  ? __switch_to_asm+0x40/0x70
[  378.927469]  ? __switch_to_asm+0x40/0x70
[  378.931530]  ? __switch_to_asm+0x34/0x70
[  378.935589]  ? __switch_to_asm+0x34/0x70
[  378.939652]  ? __switch_to_asm+0x40/0x70
[  378.943715]  ? __switch_to_asm+0x34/0x70
[  378.947784]  bpf_clone_redirect+0xb9/0x490
[  378.952030]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  378.957052]  ? __sched_text_start+0x8/0x8
[  378.961199]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  378.965980]  ? find_held_lock+0x36/0x1c0
[  378.970064]  ? lock_acquire+0x1ed/0x520
[  378.974042]  ? bpf_test_run+0x3ee/0x7a0
[  378.978017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.983554]  ? check_preemption_disabled+0x48/0x280
[  378.988580]  ? kasan_check_read+0x11/0x20
[  378.992727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.998002]  ? rcu_softirq_qs+0x20/0x20
[  379.001979]  ? preempt_schedule+0x4d/0x60
[  379.006128]  ? ___preempt_schedule+0x16/0x18
[  379.010560]  ? bpf_test_run+0x271/0x7a0
[  379.014547]  ? netlink_diag_dump+0x2a0/0x2a0
[  379.018962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.024517]  ? bpf_test_init.isra.10+0x70/0x100
[  379.029213]  ? bpf_prog_test_run_skb+0x762/0xd60
[  379.033982]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.038832]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  379.044368]  ? fput+0x130/0x1a0
[  379.047667]  ? __bpf_prog_get+0x9b/0x290
[  379.051734]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.056607]  ? bpf_prog_test_run+0x130/0x1a0
[  379.061522]  ? __x64_sys_bpf+0x3d8/0x520
[  379.065588]  ? bpf_prog_get+0x20/0x20
[  379.069426]  ? do_syscall_64+0x1b9/0x820
[  379.073492]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  379.078861]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.083791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.088651]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.093673]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  379.098690]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.103713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.108562]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  379.113949] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  379.114020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.120872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.120878] Call Trace:
[  379.120896]  dump_stack+0x244/0x39d
[  379.120921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.120939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.127477] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.136776]  warn_alloc.cold.116+0xb7/0x1bd
[  379.139331] syz-executor2 cpuset=syz2 mems_allowed=0
[  379.142963]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.178373]  ? lock_downgrade+0x900/0x900
[  379.182541]  ? trace_hardirqs_off+0xb8/0x310
[  379.186984]  ? trace_hardirqs_off+0xb8/0x310
[  379.191431]  __alloc_pages_slowpath+0x2651/0x2de0
[  379.196309]  ? warn_alloc+0x120/0x120
[  379.200117]  ? print_usage_bug+0xc0/0xc0
[  379.204183]  ? warn_alloc+0x120/0x120
[  379.207986]  ? warn_alloc+0x120/0x120
[  379.211789]  ? print_usage_bug+0xc0/0xc0
[  379.215855]  ? print_usage_bug+0xc0/0xc0
[  379.219952]  ? __lock_acquire+0x62f/0x4c20
[  379.224233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.229770]  ? should_fail+0x22d/0xd01
[  379.233663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.238766]  ? __lock_acquire+0x62f/0x4c20
[  379.243020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.248122]  ? __lock_acquire+0x62f/0x4c20
[  379.252357]  ? should_fail+0x22d/0xd01
[  379.256255]  ? find_held_lock+0x36/0x1c0
[  379.260326]  ? mark_held_locks+0x130/0x130
[  379.264568]  ? mark_held_locks+0x130/0x130
[  379.268800]  ? zap_class+0x640/0x640
[  379.272512]  ? zap_class+0x640/0x640
[  379.276226]  ? print_usage_bug+0xc0/0xc0
[  379.280285]  ? do_raw_spin_unlock+0xa7/0x330
[  379.284694]  ? zap_class+0x640/0x640
[  379.288415]  ? print_usage_bug+0xc0/0xc0
[  379.292476]  ? wq_watchdog_touch+0x9c/0xfe
[  379.296715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.302253]  ? check_preemption_disabled+0x48/0x280
[  379.307279]  ? __lock_is_held+0xb5/0x140
[  379.311349]  __alloc_pages_nodemask+0xad8/0xea0
[  379.316021]  ? zap_class+0x640/0x640
[  379.319742]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  379.324774]  ? find_held_lock+0x36/0x1c0
[  379.328844]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.333515]  ? lock_downgrade+0x900/0x900
[  379.337670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.343214]  cache_grow_begin+0xa5/0x8c0
[  379.347276]  ? do_raw_spin_unlock+0xa7/0x330
[  379.351697]  fallback_alloc+0x204/0x2e0
[  379.355678]  ____cache_alloc_node+0x1c7/0x1e0
[  379.360177]  kmem_cache_alloc_node+0xe3/0x730
[  379.364674]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.368926]  __alloc_skb+0x119/0x770
[  379.372670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.377965]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.382373]  ? lock_downgrade+0x900/0x900
[  379.386549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.392091]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.397549]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.402998]  ? addrconf_rs_timer+0x690/0x690
[  379.407424]  ndisc_alloc_skb+0x144/0x340
[  379.411495]  ndisc_send_rs+0x331/0x6e0
[  379.415399]  addrconf_rs_timer+0x314/0x690
[  379.419643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.423889]  call_timer_fn+0x272/0x920
[  379.427800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.432042]  ? process_timeout+0x40/0x40
[  379.436141]  ? __run_timers+0x7da/0xc70
[  379.440115]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.444614]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.449111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.453347]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.457933]  ? trace_hardirqs_on+0xbd/0x310
[  379.462253]  ? kasan_check_read+0x11/0x20
[  379.466455]  ? __run_timers+0x7da/0xc70
[  379.470431]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.475543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.479783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.484014]  __run_timers+0x7e5/0xc70
[  379.487824]  ? timer_fixup_init+0x70/0x70
[  379.491971]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.496466]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.500961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.505547]  ? trace_hardirqs_on+0xbd/0x310
[  379.509866]  ? kasan_check_read+0x11/0x20
[  379.514018]  ? finish_task_switch+0x1f4/0x910
[  379.518517]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.523621]  ? compat_start_thread+0x80/0x80
[  379.528084]  ? pvclock_read_flags+0x160/0x160
[  379.532572]  ? __switch_to_asm+0x34/0x70
[  379.536641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.542214]  ? check_preemption_disabled+0x48/0x280
[  379.547238]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  379.552777]  ? rcu_pm_notify+0xc0/0xc0
[  379.556681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.562220]  ? check_preemption_disabled+0x48/0x280
[  379.567245]  run_timer_softirq+0x52/0xb0
[  379.571307]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.576324]  __do_softirq+0x308/0xb7e
[  379.580126]  ? retint_kernel+0x2d/0x2d
[  379.584018]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.589119]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.594568]  ? retint_kernel+0x2d/0x2d
[  379.598461]  ? schedule+0x108/0x460
[  379.602100]  ? trace_hardirqs_off+0xb8/0x310
[  379.606523]  ? smpboot_thread_fn+0x68b/0xa00
[  379.610941]  ? trace_hardirqs_on+0x310/0x310
[  379.615353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.620897]  ? check_preemption_disabled+0x48/0x280
[  379.625940]  ? takeover_tasklets+0xa90/0xa90
[  379.630362]  run_ksoftirqd+0x5e/0x100
[  379.634184]  smpboot_thread_fn+0x68b/0xa00
[  379.638447]  ? sort_range+0x30/0x30
[  379.642076]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  379.647191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.652746]  ? __kthread_parkme+0xfb/0x1a0
[  379.656986]  ? sort_range+0x30/0x30
[  379.660613]  kthread+0x35a/0x440
[  379.663983]  ? kthread_stop+0x900/0x900
[  379.667954]  ret_from_fork+0x3a/0x50
[  379.671698] warn_alloc_show_mem: 1 callbacks suppressed
[  379.671710] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  379.671712] Mem-Info:
[  379.671745] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  379.671745]  active_file:133 inactive_file:117 isolated_file:0
[  379.671745]  unevictable:0 dirty:3 writeback:0 unstable:0
[  379.671745]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  379.671745]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  379.671745]  free:13727 free_pcp:164 free_cma:0
[  379.677094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.684472] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  379.686868] Call Trace:
[  379.720079] 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
[  379.729426]  <IRQ>
[  379.757159] lowmem_reserve[]: 0 2818 6321 6321
[  379.759752]  dump_stack+0x244/0x39d
[  379.785834] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  379.787993]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.792547] lowmem_reserve[]: 0 0 3503 3503
[  379.796172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.823734] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  379.828928]  warn_alloc.cold.116+0xb7/0x1bd
[  379.833221] lowmem_reserve[]: 0 0 0 0
[  379.838755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.867964] 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
[  379.872280]  ? lock_downgrade+0x900/0x900
[  379.876058] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  379.880927]  ? trace_hardirqs_off+0xb8/0x310
[  379.894435] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  379.898582]  ? trace_hardirqs_off+0xb8/0x310
[  379.913917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.918309]  __alloc_pages_slowpath+0x2651/0x2de0
[  379.931808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.936222]  ? warn_alloc+0x120/0x120
[  379.945015] 2220 total pagecache pages
[  379.949849]  ? print_usage_bug+0xc0/0xc0
[  379.958427] 0 pages in swap cache
[  379.962215]  ? warn_alloc+0x120/0x120
[  379.966075] Swap cache stats: add 0, delete 0, find 0/0
[  379.966085] Free swap  = 0kB
[  379.970138]  ? warn_alloc+0x120/0x120
[  379.973569] Total swap = 0kB
[  379.977359]  ? print_usage_bug+0xc0/0xc0
[  379.982695] 1965979 pages RAM
[  379.985707]  ? print_usage_bug+0xc0/0xc0
[  379.989485] 0 pages HighMem/MovableOnly
[  379.992499]  ? __lock_acquire+0x62f/0x4c20
[  379.996535] 342854 pages reserved
[  379.999637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.003672] 0 pages cma reserved
[  380.007643]  ? should_fail+0x22d/0xd01
[  380.011944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.015299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.020903] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.024174]  ? __lock_acquire+0x62f/0x4c20
[  380.028041] ksoftirqd/1 cpuset=/ mems_allowed=0
[  380.034529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.063863]  ? __lock_acquire+0x62f/0x4c20
[  380.068100]  ? should_fail+0x22d/0xd01
[  380.071988]  ? find_held_lock+0x36/0x1c0
[  380.076236]  ? mark_held_locks+0x130/0x130
[  380.080475]  ? mark_held_locks+0x130/0x130
[  380.084721]  ? zap_class+0x640/0x640
[  380.088448]  ? zap_class+0x640/0x640
[  380.092168]  ? print_usage_bug+0xc0/0xc0
[  380.096226]  ? do_raw_spin_unlock+0xa7/0x330
[  380.100632]  ? zap_class+0x640/0x640
[  380.104348]  ? print_usage_bug+0xc0/0xc0
[  380.108420]  ? wq_watchdog_touch+0x9c/0xfe
[  380.112661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.118203]  ? check_preemption_disabled+0x48/0x280
[  380.123227]  ? __lock_is_held+0xb5/0x140
[  380.127307]  __alloc_pages_nodemask+0xad8/0xea0
[  380.131977]  ? zap_class+0x640/0x640
[  380.135699]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  380.140734]  ? find_held_lock+0x36/0x1c0
[  380.144808]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.149483]  ? lock_downgrade+0x900/0x900
[  380.153639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.159182]  cache_grow_begin+0xa5/0x8c0
[  380.163256]  ? do_raw_spin_unlock+0xa7/0x330
[  380.167685]  fallback_alloc+0x204/0x2e0
[  380.171667]  ____cache_alloc_node+0x1c7/0x1e0
[  380.176184]  kmem_cache_alloc_node+0xe3/0x730
[  380.180699]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.184943]  __alloc_skb+0x119/0x770
[  380.188662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.194160]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.198569]  ? lock_downgrade+0x900/0x900
[  380.202727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.208270]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.213724]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.219174]  ? addrconf_rs_timer+0x690/0x690
[  380.223599]  ndisc_alloc_skb+0x144/0x340
[  380.227667]  ndisc_send_rs+0x331/0x6e0
[  380.231561]  addrconf_rs_timer+0x314/0x690
[  380.235802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.240050]  call_timer_fn+0x272/0x920
[  380.243941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.248186]  ? process_timeout+0x40/0x40
[  380.252259]  ? __run_timers+0x7da/0xc70
[  380.256237]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.260729]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.265223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.269463]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.274050]  ? trace_hardirqs_on+0xbd/0x310
[  380.278370]  ? kasan_check_read+0x11/0x20
[  380.282532]  ? __run_timers+0x7da/0xc70
[  380.286511]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.291622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.295865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.300102]  __run_timers+0x7e5/0xc70
[  380.303915]  ? timer_fixup_init+0x70/0x70
[  380.308062]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.313077]  ? zap_class+0x640/0x640
[  380.316798]  ? enqueue_hrtimer+0x1a5/0x560
[  380.321035]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.326242]  ? find_held_lock+0x36/0x1c0
[  380.330305]  ? zap_class+0x640/0x640
[  380.334026]  ? pvclock_read_flags+0x160/0x160
[  380.338527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.344066]  ? check_preemption_disabled+0x48/0x280
[  380.349092]  ? __lock_is_held+0xb5/0x140
[  380.353178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.358715]  ? check_preemption_disabled+0x48/0x280
[  380.363738]  run_timer_softirq+0x52/0xb0
[  380.367803]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.372821]  __do_softirq+0x308/0xb7e
[  380.376625]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.381124]  ? lock_downgrade+0x900/0x900
[  380.385273]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.390402]  ? pvclock_read_flags+0x160/0x160
[  380.394906]  ? lapic_next_event+0x5a/0x90
[  380.399057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.404602]  ? kvm_clock_read+0x18/0x30
[  380.408575]  ? kvm_sched_clock_read+0x9/0x20
[  380.413005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.418542]  ? check_preemption_disabled+0x48/0x280
[  380.423571]  irq_exit+0x17f/0x1c0
[  380.427025]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.431885]  ? smp_reschedule_interrupt+0x109/0x650
[  380.436903]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.442787]  ? interrupt_entry+0xb5/0xc0
[  380.446853]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.451870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.456893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.461739]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.466753]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.471773]  ? task_prio+0x50/0x50
[  380.475314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.480855]  ? check_preemption_disabled+0x48/0x280
[  380.485896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.490745]  apic_timer_interrupt+0xf/0x20
[  380.494990]  </IRQ>
[  380.497228] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  380.502158] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  380.521074] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  380.528778] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  380.536042] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  380.543324] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  380.550590] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  380.557864] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  380.565187]  skb_clone+0x1bb/0x500
[  380.568728]  ? skb_split+0x11e0/0x11e0
[  380.572618]  ? preempt_notifier_register+0x200/0x200
[  380.577718]  ? __switch_to_asm+0x34/0x70
[  380.581780]  ? __switch_to_asm+0x34/0x70
[  380.585838]  ? __switch_to_asm+0x40/0x70
[  380.589898]  ? __switch_to_asm+0x34/0x70
[  380.593955]  ? __switch_to_asm+0x40/0x70
[  380.598010]  ? __switch_to_asm+0x40/0x70
[  380.602073]  ? __switch_to_asm+0x34/0x70
[  380.606133]  ? __switch_to_asm+0x34/0x70
[  380.610190]  ? __switch_to_asm+0x40/0x70
[  380.614250]  ? __switch_to_asm+0x34/0x70
[  380.618315]  bpf_clone_redirect+0xb9/0x490
[  380.622557]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  380.627576]  ? __sched_text_start+0x8/0x8
[  380.631742]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  380.636506]  ? find_held_lock+0x36/0x1c0
[  380.640578]  ? lock_acquire+0x1ed/0x520
[  380.644554]  ? bpf_test_run+0x3ee/0x7a0
[  380.648533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.654071]  ? check_preemption_disabled+0x48/0x280
[  380.659092]  ? kasan_check_read+0x11/0x20
[  380.663241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.668516]  ? rcu_softirq_qs+0x20/0x20
[  380.672498]  ? preempt_schedule+0x4d/0x60
[  380.676650]  ? ___preempt_schedule+0x16/0x18
[  380.681069]  ? bpf_test_run+0x271/0x7a0
[  380.685055]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.689467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.695005]  ? bpf_test_init.isra.10+0x70/0x100
[  380.699681]  ? bpf_prog_test_run_skb+0x762/0xd60
[  380.704472]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.709323]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.714860]  ? fput+0x130/0x1a0
[  380.718191]  ? __bpf_prog_get+0x9b/0x290
[  380.722258]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.727106]  ? bpf_prog_test_run+0x130/0x1a0
[  380.731520]  ? __x64_sys_bpf+0x3d8/0x520
[  380.735583]  ? bpf_prog_get+0x20/0x20
[  380.739421]  ? do_syscall_64+0x1b9/0x820
[  380.743487]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.748858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.753789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.758638]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.763658]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.768676]  ? prepare_exit_to_usermode+0x291/0x3b0
[  380.773698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.778548]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.783927] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  380.783997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.790854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.790860] Call Trace:
[  380.790878]  dump_stack+0x244/0x39d
[  380.790897]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.790921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.797456] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.806750]  warn_alloc.cold.116+0xb7/0x1bd
[  380.809305] syz-executor2 cpuset=syz2 mems_allowed=0
[  380.812927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.848325]  ? lock_downgrade+0x900/0x900
[  380.852487]  ? trace_hardirqs_off+0xb8/0x310
[  380.856901]  ? trace_hardirqs_off+0xb8/0x310
[  380.861326]  __alloc_pages_slowpath+0x2651/0x2de0
[  380.866194]  ? warn_alloc+0x120/0x120
[  380.869997]  ? print_usage_bug+0xc0/0xc0
[  380.874070]  ? warn_alloc+0x120/0x120
[  380.877875]  ? warn_alloc+0x120/0x120
[  380.881686]  ? print_usage_bug+0xc0/0xc0
[  380.885754]  ? print_usage_bug+0xc0/0xc0
[  380.889816]  ? __lock_acquire+0x62f/0x4c20
[  380.894056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.899595]  ? should_fail+0x22d/0xd01
[  380.903486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.908589]  ? __lock_acquire+0x62f/0x4c20
[  380.912832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.917938]  ? __lock_acquire+0x62f/0x4c20
[  380.922174]  ? should_fail+0x22d/0xd01
[  380.926082]  ? find_held_lock+0x36/0x1c0
[  380.930153]  ? mark_held_locks+0x130/0x130
[  380.934400]  ? mark_held_locks+0x130/0x130
[  380.938635]  ? zap_class+0x640/0x640
[  380.942357]  ? mark_held_locks+0xc7/0x130
[  380.946513]  ? do_raw_spin_unlock+0xa7/0x330
[  380.950925]  ? zap_class+0x640/0x640
[  380.954644]  ? print_usage_bug+0xc0/0xc0
[  380.958713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.964251]  ? check_preemption_disabled+0x48/0x280
[  380.969276]  ? __lock_is_held+0xb5/0x140
[  380.973358]  __alloc_pages_nodemask+0xad8/0xea0
[  380.978034]  ? zap_class+0x640/0x640
[  380.981783]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  380.986812]  ? find_held_lock+0x36/0x1c0
[  380.990886]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.995566]  ? lock_downgrade+0x900/0x900
[  380.999726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.005273]  cache_grow_begin+0xa5/0x8c0
[  381.009335]  ? do_raw_spin_unlock+0xa7/0x330
[  381.013756]  fallback_alloc+0x204/0x2e0
[  381.017738]  ____cache_alloc_node+0x1c7/0x1e0
[  381.022244]  kmem_cache_alloc_node+0xe3/0x730
[  381.026740]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.030990]  __alloc_skb+0x119/0x770
[  381.034704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.039991]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.044407]  ? lock_downgrade+0x900/0x900
[  381.048568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.054110]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.059567]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.065323]  ? addrconf_rs_timer+0x690/0x690
[  381.069747]  ndisc_alloc_skb+0x144/0x340
[  381.073826]  ndisc_send_rs+0x331/0x6e0
[  381.077764]  addrconf_rs_timer+0x314/0x690
[  381.082024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.086273]  call_timer_fn+0x272/0x920
[  381.090161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.094405]  ? process_timeout+0x40/0x40
[  381.098476]  ? __run_timers+0x7da/0xc70
[  381.102468]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.106976]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.111475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.115709]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.120340]  ? trace_hardirqs_on+0xbd/0x310
[  381.124666]  ? kasan_check_read+0x11/0x20
[  381.128817]  ? __run_timers+0x7da/0xc70
[  381.132796]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.137908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.142157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.146400]  __run_timers+0x7e5/0xc70
[  381.150226]  ? timer_fixup_init+0x70/0x70
[  381.154372]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.158872]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.163367]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.167958]  ? trace_hardirqs_on+0xbd/0x310
[  381.172283]  ? kasan_check_read+0x11/0x20
[  381.176452]  ? finish_task_switch+0x1f4/0x910
[  381.180948]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.186054]  ? compat_start_thread+0x80/0x80
[  381.190484]  ? pvclock_read_flags+0x160/0x160
[  381.194982]  ? __switch_to_asm+0x34/0x70
[  381.199044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.204587]  ? check_preemption_disabled+0x48/0x280
[  381.209615]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  381.215159]  ? rcu_pm_notify+0xc0/0xc0
[  381.219047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.224586]  ? check_preemption_disabled+0x48/0x280
[  381.229610]  run_timer_softirq+0x52/0xb0
[  381.233675]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.238697]  __do_softirq+0x308/0xb7e
[  381.242502]  ? retint_kernel+0x2d/0x2d
[  381.246405]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.251514]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.256966]  ? retint_kernel+0x2d/0x2d
[  381.260862]  ? schedule+0x108/0x460
[  381.264502]  ? trace_hardirqs_off+0xb8/0x310
[  381.268917]  ? smpboot_thread_fn+0x68b/0xa00
[  381.273328]  ? trace_hardirqs_on+0x310/0x310
[  381.277741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.283279]  ? check_preemption_disabled+0x48/0x280
[  381.288301]  ? takeover_tasklets+0xa90/0xa90
[  381.292714]  run_ksoftirqd+0x5e/0x100
[  381.296517]  smpboot_thread_fn+0x68b/0xa00
[  381.300755]  ? sort_range+0x30/0x30
[  381.304381]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.309497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.315053]  ? __kthread_parkme+0xfb/0x1a0
[  381.319306]  ? sort_range+0x30/0x30
[  381.322939]  kthread+0x35a/0x440
[  381.326306]  ? kthread_stop+0x900/0x900
[  381.330285]  ret_from_fork+0x3a/0x50
[  381.334023] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  381.334028] warn_alloc_show_mem: 1 callbacks suppressed
[  381.334036] Mem-Info:
[  381.341399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.346770] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  381.346770]  active_file:133 inactive_file:117 isolated_file:0
[  381.346770]  unevictable:0 dirty:3 writeback:0 unstable:0
[  381.346770]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  381.346770]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  381.346770]  free:13727 free_pcp:164 free_cma:0
[  381.349142] Call Trace:
[  381.358531] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  381.391721]  <IRQ>
[  381.394293] 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
[  381.422043]  dump_stack+0x244/0x39d
[  381.424167] lowmem_reserve[]: 0 2818 6321 6321
[  381.450271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.453871] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  381.458447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.463613] lowmem_reserve[]: 0 0 3503 3503
[  381.491230]  warn_alloc.cold.116+0xb7/0x1bd
[  381.496753] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  381.501069]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.505365] lowmem_reserve[]: 0 0 0 0
[  381.534623]  ? lock_downgrade+0x900/0x900
[  381.539438] 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
[  381.543250]  ? trace_hardirqs_off+0xb8/0x310
[  381.547368] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  381.560895]  ? trace_hardirqs_off+0xb8/0x310
[  381.565276] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  381.580621]  __alloc_pages_slowpath+0x2651/0x2de0
[  381.585005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.598538]  ? warn_alloc+0x120/0x120
[  381.603341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  381.612179]  ? print_usage_bug+0xc0/0xc0
[  381.615960] 2220 total pagecache pages
[  381.624529]  ? warn_alloc+0x120/0x120
[  381.628585] 0 pages in swap cache
[  381.632474]  ? warn_alloc+0x120/0x120
[  381.636253] Swap cache stats: add 0, delete 0, find 0/0
[  381.639707]  ? print_usage_bug+0xc0/0xc0
[  381.643480] Free swap  = 0kB
[  381.648833]  ? print_usage_bug+0xc0/0xc0
[  381.652873] Total swap = 0kB
[  381.655897]  ? __lock_acquire+0x62f/0x4c20
[  381.659952] 1965979 pages RAM
[  381.662966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.667177] 0 pages HighMem/MovableOnly
[  381.670290]  ? should_fail+0x22d/0xd01
[  381.675799] 342854 pages reserved
[  381.679764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.683628] 0 pages cma reserved
[  381.687072]  ? __lock_acquire+0x62f/0x4c20
[  381.692226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.695516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.699808] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.706209]  ? __lock_acquire+0x62f/0x4c20
[  381.711289] ksoftirqd/1 cpuset=/ mems_allowed=0
[  381.721591]  ? should_fail+0x22d/0xd01
[  381.734335]  ? find_held_lock+0x36/0x1c0
[  381.738420]  ? mark_held_locks+0x130/0x130
[  381.742665]  ? mark_held_locks+0x130/0x130
[  381.746900]  ? zap_class+0x640/0x640
[  381.750615]  ? zap_class+0x640/0x640
[  381.754332]  ? print_usage_bug+0xc0/0xc0
[  381.758398]  ? do_raw_spin_unlock+0xa7/0x330
[  381.762834]  ? zap_class+0x640/0x640
[  381.766549]  ? print_usage_bug+0xc0/0xc0
[  381.770612]  ? wq_watchdog_touch+0x9c/0xfe
[  381.774850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.780418]  ? check_preemption_disabled+0x48/0x280
[  381.785450]  ? __lock_is_held+0xb5/0x140
[  381.789523]  __alloc_pages_nodemask+0xad8/0xea0
[  381.794193]  ? zap_class+0x640/0x640
[  381.797918]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  381.802948]  ? find_held_lock+0x36/0x1c0
[  381.807017]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.811691]  ? lock_downgrade+0x900/0x900
[  381.815864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.821418]  cache_grow_begin+0xa5/0x8c0
[  381.825482]  ? do_raw_spin_unlock+0xa7/0x330
[  381.829901]  fallback_alloc+0x204/0x2e0
[  381.833898]  ____cache_alloc_node+0x1c7/0x1e0
[  381.838405]  kmem_cache_alloc_node+0xe3/0x730
[  381.842925]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.847187]  __alloc_skb+0x119/0x770
[  381.850905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.856193]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.860604]  ? lock_downgrade+0x900/0x900
[  381.864761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.870296]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.875756]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.881206]  ? addrconf_rs_timer+0x690/0x690
[  381.885631]  ndisc_alloc_skb+0x144/0x340
[  381.889709]  ndisc_send_rs+0x331/0x6e0
[  381.893616]  addrconf_rs_timer+0x314/0x690
[  381.897857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.902101]  call_timer_fn+0x272/0x920
[  381.905990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.910228]  ? process_timeout+0x40/0x40
[  381.914310]  ? __run_timers+0x7da/0xc70
[  381.918287]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.922781]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.927274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.931513]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.936098]  ? trace_hardirqs_on+0xbd/0x310
[  381.940429]  ? kasan_check_read+0x11/0x20
[  381.944575]  ? __run_timers+0x7da/0xc70
[  381.948550]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.953659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.957903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.962139]  __run_timers+0x7e5/0xc70
[  381.965951]  ? timer_fixup_init+0x70/0x70
[  381.970100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.975120]  ? zap_class+0x640/0x640
[  381.978841]  ? enqueue_hrtimer+0x1a5/0x560
[  381.983078]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.988304]  ? find_held_lock+0x36/0x1c0
[  381.992374]  ? zap_class+0x640/0x640
[  381.996108]  ? pvclock_read_flags+0x160/0x160
[  382.000610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.006152]  ? check_preemption_disabled+0x48/0x280
[  382.011180]  ? __lock_is_held+0xb5/0x140
[  382.015244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.020786]  ? check_preemption_disabled+0x48/0x280
[  382.025808]  run_timer_softirq+0x52/0xb0
[  382.029870]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.034887]  __do_softirq+0x308/0xb7e
[  382.038691]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.043189]  ? lock_downgrade+0x900/0x900
[  382.047340]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.052456]  ? pvclock_read_flags+0x160/0x160
[  382.056968]  ? lapic_next_event+0x5a/0x90
[  382.061137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.066710]  ? kvm_clock_read+0x18/0x30
[  382.070685]  ? kvm_sched_clock_read+0x9/0x20
[  382.075109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.080649]  ? check_preemption_disabled+0x48/0x280
[  382.085678]  irq_exit+0x17f/0x1c0
[  382.089134]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.093987]  ? smp_reschedule_interrupt+0x109/0x650
[  382.099006]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.104890]  ? interrupt_entry+0xb5/0xc0
[  382.108953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.113980]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.118999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.123840]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.128856]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.133870]  ? task_prio+0x50/0x50
[  382.137425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.142960]  ? check_preemption_disabled+0x48/0x280
[  382.147998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.152851]  apic_timer_interrupt+0xf/0x20
[  382.157079]  </IRQ>
[  382.159316] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  382.164246] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  382.183142] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  382.190849] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.198262] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  382.205713] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  382.212983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  382.220274] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  382.227584]  skb_clone+0x1bb/0x500
[  382.231128]  ? skb_split+0x11e0/0x11e0
[  382.235024]  ? preempt_notifier_register+0x200/0x200
[  382.240123]  ? __switch_to_asm+0x34/0x70
[  382.244183]  ? __switch_to_asm+0x34/0x70
[  382.248241]  ? __switch_to_asm+0x40/0x70
[  382.252298]  ? __switch_to_asm+0x34/0x70
[  382.256357]  ? __switch_to_asm+0x40/0x70
[  382.260431]  ? __switch_to_asm+0x40/0x70
[  382.264495]  ? __switch_to_asm+0x34/0x70
[  382.268556]  ? __switch_to_asm+0x34/0x70
[  382.272614]  ? __switch_to_asm+0x40/0x70
[  382.276676]  ? __switch_to_asm+0x34/0x70
[  382.280741]  bpf_clone_redirect+0xb9/0x490
[  382.285004]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  382.290035]  ? __sched_text_start+0x8/0x8
[  382.294197]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.298966]  ? find_held_lock+0x36/0x1c0
[  382.303056]  ? lock_acquire+0x1ed/0x520
[  382.307046]  ? bpf_test_run+0x3ee/0x7a0
[  382.311023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.316567]  ? check_preemption_disabled+0x48/0x280
[  382.321589]  ? kasan_check_read+0x11/0x20
[  382.325739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.331014]  ? rcu_softirq_qs+0x20/0x20
[  382.334987]  ? preempt_schedule+0x4d/0x60
[  382.339137]  ? ___preempt_schedule+0x16/0x18
[  382.343553]  ? bpf_test_run+0x271/0x7a0
[  382.347538]  ? netlink_diag_dump+0x2a0/0x2a0
[  382.351955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.357496]  ? bpf_test_init.isra.10+0x70/0x100
[  382.362173]  ? bpf_prog_test_run_skb+0x762/0xd60
[  382.366944]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.371799]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  382.377336]  ? fput+0x130/0x1a0
[  382.380621]  ? __bpf_prog_get+0x9b/0x290
[  382.384687]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.389530]  ? bpf_prog_test_run+0x130/0x1a0
[  382.393941]  ? __x64_sys_bpf+0x3d8/0x520
[  382.398041]  ? bpf_prog_get+0x20/0x20
[  382.401861]  ? do_syscall_64+0x1b9/0x820
[  382.405918]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  382.411281]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.416211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.421055]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.426075]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.431096]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.436121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.440984]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.446380] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  382.446466] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.453320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.453325] Call Trace:
[  382.453343]  dump_stack+0x244/0x39d
[  382.453368]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.459933] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.469200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.471764] syz-executor2 cpuset=syz2 mems_allowed=0
[  382.475400]  warn_alloc.cold.116+0xb7/0x1bd
[  382.505949]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.510808]  ? lock_downgrade+0x900/0x900
[  382.514968]  ? trace_hardirqs_off+0xb8/0x310
[  382.519382]  ? trace_hardirqs_off+0xb8/0x310
[  382.523809]  __alloc_pages_slowpath+0x2651/0x2de0
[  382.528684]  ? warn_alloc+0x120/0x120
[  382.532506]  ? print_usage_bug+0xc0/0xc0
[  382.536572]  ? warn_alloc+0x120/0x120
[  382.540378]  ? warn_alloc+0x120/0x120
[  382.544192]  ? print_usage_bug+0xc0/0xc0
[  382.548258]  ? print_usage_bug+0xc0/0xc0
[  382.552320]  ? __lock_acquire+0x62f/0x4c20
[  382.556582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.562118]  ? should_fail+0x22d/0xd01
[  382.566010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.571116]  ? __lock_acquire+0x62f/0x4c20
[  382.575372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.580479]  ? __lock_acquire+0x62f/0x4c20
[  382.584711]  ? should_fail+0x22d/0xd01
[  382.588604]  ? find_held_lock+0x36/0x1c0
[  382.592681]  ? mark_held_locks+0x130/0x130
[  382.596937]  ? mark_held_locks+0x130/0x130
[  382.601175]  ? zap_class+0x640/0x640
[  382.604893]  ? mark_held_locks+0xc7/0x130
[  382.609050]  ? do_raw_spin_unlock+0xa7/0x330
[  382.613469]  ? zap_class+0x640/0x640
[  382.617186]  ? print_usage_bug+0xc0/0xc0
[  382.621254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.626812]  ? check_preemption_disabled+0x48/0x280
[  382.631839]  ? __lock_is_held+0xb5/0x140
[  382.635903]  __alloc_pages_nodemask+0xad8/0xea0
[  382.640576]  ? zap_class+0x640/0x640
[  382.644296]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  382.649330]  ? find_held_lock+0x36/0x1c0
[  382.653412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.658088]  ? lock_downgrade+0x900/0x900
[  382.662243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.667785]  cache_grow_begin+0xa5/0x8c0
[  382.671846]  ? do_raw_spin_unlock+0xa7/0x330
[  382.676264]  fallback_alloc+0x204/0x2e0
[  382.680247]  ____cache_alloc_node+0x1c7/0x1e0
[  382.684750]  kmem_cache_alloc_node+0xe3/0x730
[  382.689252]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.693498]  __alloc_skb+0x119/0x770
[  382.697213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.702505]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.706917]  ? lock_downgrade+0x900/0x900
[  382.711106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.716647]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.722102]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.727553]  ? addrconf_rs_timer+0x690/0x690
[  382.731974]  ndisc_alloc_skb+0x144/0x340
[  382.736059]  ndisc_send_rs+0x331/0x6e0
[  382.739948]  addrconf_rs_timer+0x314/0x690
[  382.744188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.748440]  call_timer_fn+0x272/0x920
[  382.752333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.756570]  ? process_timeout+0x40/0x40
[  382.760643]  ? __run_timers+0x7da/0xc70
[  382.764618]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.769111]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.773603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.777838]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.782427]  ? trace_hardirqs_on+0xbd/0x310
[  382.786760]  ? kasan_check_read+0x11/0x20
[  382.790906]  ? __run_timers+0x7da/0xc70
[  382.794888]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.800000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.804242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.808475]  __run_timers+0x7e5/0xc70
[  382.812287]  ? timer_fixup_init+0x70/0x70
[  382.816436]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.820932]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.825444]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.830027]  ? trace_hardirqs_on+0xbd/0x310
[  382.834347]  ? kasan_check_read+0x11/0x20
[  382.838503]  ? finish_task_switch+0x1f4/0x910
[  382.843000]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.848105]  ? compat_start_thread+0x80/0x80
[  382.852535]  ? pvclock_read_flags+0x160/0x160
[  382.857025]  ? __switch_to_asm+0x34/0x70
[  382.861093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.866630]  ? check_preemption_disabled+0x48/0x280
[  382.871658]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  382.877197]  ? rcu_pm_notify+0xc0/0xc0
[  382.881099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.886681]  ? check_preemption_disabled+0x48/0x280
[  382.891701]  run_timer_softirq+0x52/0xb0
[  382.895763]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.900796]  __do_softirq+0x308/0xb7e
[  382.904598]  ? retint_kernel+0x2d/0x2d
[  382.908490]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.913595]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.919046]  ? retint_kernel+0x2d/0x2d
[  382.922945]  ? schedule+0x108/0x460
[  382.926589]  ? trace_hardirqs_off+0xb8/0x310
[  382.931014]  ? smpboot_thread_fn+0x68b/0xa00
[  382.935467]  ? trace_hardirqs_on+0x310/0x310
[  382.939877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.945427]  ? check_preemption_disabled+0x48/0x280
[  382.950449]  ? takeover_tasklets+0xa90/0xa90
[  382.954859]  run_ksoftirqd+0x5e/0x100
[  382.958664]  smpboot_thread_fn+0x68b/0xa00
[  382.962903]  ? sort_range+0x30/0x30
[  382.966539]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.971642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.977183]  ? __kthread_parkme+0xfb/0x1a0
[  382.981456]  ? sort_range+0x30/0x30
[  382.985095]  kthread+0x35a/0x440
[  382.988510]  ? kthread_stop+0x900/0x900
[  382.992489]  ret_from_fork+0x3a/0x50
[  382.996221] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  382.996226] warn_alloc_show_mem: 1 callbacks suppressed
[  382.996233] Mem-Info:
[  383.003590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.008964] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  383.008964]  active_file:133 inactive_file:117 isolated_file:0
[  383.008964]  unevictable:0 dirty:3 writeback:0 unstable:0
[  383.008964]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  383.008964]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  383.008964]  free:13727 free_pcp:164 free_cma:0
[  383.011332] Call Trace:
[  383.020723] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  383.053910]  <IRQ>
[  383.056485] 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
[  383.084695]  dump_stack+0x244/0x39d
[  383.086836] lowmem_reserve[]: 0 2818 6321 6321
[  383.112939]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.116552] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  383.121144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.126315] lowmem_reserve[]: 0 0 3503 3503
[  383.153910]  warn_alloc.cold.116+0xb7/0x1bd
[  383.159425] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  383.163785]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.168092] lowmem_reserve[]: 0 0 0 0
[  383.197336]  ? lock_downgrade+0x900/0x900
[  383.202151] 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
[  383.205948]  ? trace_hardirqs_off+0xb8/0x310
[  383.210095] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  383.223614]  ? trace_hardirqs_off+0xb8/0x310
[  383.227995] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  383.243340]  __alloc_pages_slowpath+0x2651/0x2de0
[  383.247726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  383.261255]  ? warn_alloc+0x120/0x120
[  383.266062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  383.274886]  ? print_usage_bug+0xc0/0xc0
[  383.278660] 2220 total pagecache pages
[  383.287229]  ? warn_alloc+0x120/0x120
[  383.291277] 0 pages in swap cache
[  383.295151]  ? warn_alloc+0x120/0x120
[  383.298932] Swap cache stats: add 0, delete 0, find 0/0
[  383.302372]  ? print_usage_bug+0xc0/0xc0
[  383.306158] Free swap  = 0kB
[  383.311515]  ? kvm_clock_read+0x18/0x30
[  383.315553] Total swap = 0kB
[  383.318565]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  383.322521] 1965979 pages RAM
[  383.325534]  ? print_usage_bug+0xc0/0xc0
[  383.330529] 0 pages HighMem/MovableOnly
[  383.333627]  ? __lock_acquire+0x62f/0x4c20
[  383.337662] 342854 pages reserved
[  383.341629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.345840] 0 pages cma reserved
[  383.349286]  ? should_fail+0x22d/0xd01
[  383.354869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.358151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.358170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.362118] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.368527]  ? __lock_acquire+0x62f/0x4c20
[  383.373782] ksoftirqd/1 cpuset=/ mems_allowed=0
[  383.378879]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.403169]  ? __lock_acquire+0x62f/0x4c20
[  383.407408]  ? should_fail+0x22d/0xd01
[  383.411300]  ? rcu_irq_exit+0x1a2/0x390
[  383.415287]  ? mark_held_locks+0x130/0x130
[  383.419527]  ? mark_held_locks+0x130/0x130
[  383.423770]  ? mark_held_locks+0xc7/0x130
[  383.427949]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  383.432995]  ? zap_class+0x640/0x640
[  383.436713]  ? print_usage_bug+0xc0/0xc0
[  383.440778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.446320]  ? check_preemption_disabled+0x48/0x280
[  383.451359]  ? __lock_is_held+0xb5/0x140
[  383.455446]  __alloc_pages_nodemask+0xad8/0xea0
[  383.460118]  ? zap_class+0x640/0x640
[  383.463838]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  383.468863]  ? find_held_lock+0x36/0x1c0
[  383.472938]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.477611]  ? lock_downgrade+0x900/0x900
[  383.481769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.487315]  cache_grow_begin+0xa5/0x8c0
[  383.491380]  ? do_raw_spin_unlock+0xa7/0x330
[  383.495809]  fallback_alloc+0x204/0x2e0
[  383.499797]  ____cache_alloc_node+0x1c7/0x1e0
[  383.504319]  kmem_cache_alloc_node+0xe3/0x730
[  383.508826]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.513068]  __alloc_skb+0x119/0x770
[  383.516797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.522076]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.526483]  ? lock_downgrade+0x900/0x900
[  383.530660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.536198]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.541655]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.547108]  ? addrconf_rs_timer+0x690/0x690
[  383.551530]  ndisc_alloc_skb+0x144/0x340
[  383.555600]  ndisc_send_rs+0x331/0x6e0
[  383.559497]  addrconf_rs_timer+0x314/0x690
[  383.563741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.567985]  call_timer_fn+0x272/0x920
[  383.571875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.576142]  ? process_timeout+0x40/0x40
[  383.580211]  ? __run_timers+0x7da/0xc70
[  383.584189]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.588684]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.593206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.597460]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.602043]  ? trace_hardirqs_on+0xbd/0x310
[  383.606368]  ? kasan_check_read+0x11/0x20
[  383.610525]  ? __run_timers+0x7da/0xc70
[  383.614502]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.619612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.623857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.628094]  __run_timers+0x7e5/0xc70
[  383.631908]  ? timer_fixup_init+0x70/0x70
[  383.636061]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.641083]  ? zap_class+0x640/0x640
[  383.644799]  ? enqueue_hrtimer+0x1a5/0x560
[  383.649051]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.654251]  ? find_held_lock+0x36/0x1c0
[  383.658320]  ? zap_class+0x640/0x640
[  383.662038]  ? pvclock_read_flags+0x160/0x160
[  383.666535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.672081]  ? check_preemption_disabled+0x48/0x280
[  383.677121]  ? __lock_is_held+0xb5/0x140
[  383.681185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.686721]  ? check_preemption_disabled+0x48/0x280
[  383.691746]  run_timer_softirq+0x52/0xb0
[  383.695809]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.700831]  __do_softirq+0x308/0xb7e
[  383.704635]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.709131]  ? lock_downgrade+0x900/0x900
[  383.713283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.718400]  ? pvclock_read_flags+0x160/0x160
[  383.722908]  ? lapic_next_event+0x5a/0x90
[  383.727060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.732604]  ? kvm_clock_read+0x18/0x30
[  383.736582]  ? kvm_sched_clock_read+0x9/0x20
[  383.740994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.746535]  ? check_preemption_disabled+0x48/0x280
[  383.751559]  irq_exit+0x17f/0x1c0
[  383.755031]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.759875]  ? smp_reschedule_interrupt+0x109/0x650
[  383.764921]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.770819]  ? interrupt_entry+0xb5/0xc0
[  383.774912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.779930]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.784954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.789798]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.794818]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.799847]  ? task_prio+0x50/0x50
[  383.803446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.808988]  ? check_preemption_disabled+0x48/0x280
[  383.814008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.818861]  apic_timer_interrupt+0xf/0x20
[  383.823093]  </IRQ>
[  383.825361] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  383.830299] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  383.849199] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  383.856934] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  383.864197] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  383.871478] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  383.878745] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  383.886013] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  383.893340]  skb_clone+0x1bb/0x500
[  383.896896]  ? skb_split+0x11e0/0x11e0
[  383.900802]  ? preempt_notifier_register+0x200/0x200
[  383.905903]  ? __switch_to_asm+0x34/0x70
[  383.909964]  ? __switch_to_asm+0x34/0x70
[  383.914025]  ? __switch_to_asm+0x40/0x70
[  383.918088]  ? __switch_to_asm+0x34/0x70
[  383.922149]  ? __switch_to_asm+0x40/0x70
[  383.926207]  ? __switch_to_asm+0x40/0x70
[  383.930267]  ? __switch_to_asm+0x34/0x70
[  383.934327]  ? __switch_to_asm+0x34/0x70
[  383.938396]  ? __switch_to_asm+0x40/0x70
[  383.942464]  ? __switch_to_asm+0x34/0x70
[  383.946530]  bpf_clone_redirect+0xb9/0x490
[  383.950778]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  383.955797]  ? __sched_text_start+0x8/0x8
[  383.959975]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.964756]  ? find_held_lock+0x36/0x1c0
[  383.968825]  ? lock_acquire+0x1ed/0x520
[  383.972812]  ? bpf_test_run+0x3ee/0x7a0
[  383.976792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.982343]  ? check_preemption_disabled+0x48/0x280
[  383.987362]  ? kasan_check_read+0x11/0x20
[  383.991518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.996794]  ? rcu_softirq_qs+0x20/0x20
[  384.000769]  ? preempt_schedule+0x4d/0x60
[  384.004917]  ? ___preempt_schedule+0x16/0x18
[  384.009334]  ? bpf_test_run+0x271/0x7a0
[  384.013317]  ? netlink_diag_dump+0x2a0/0x2a0
[  384.017729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.023285]  ? bpf_test_init.isra.10+0x70/0x100
[  384.027964]  ? bpf_prog_test_run_skb+0x762/0xd60
[  384.032734]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  384.037603]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  384.043140]  ? fput+0x130/0x1a0
[  384.046438]  ? __bpf_prog_get+0x9b/0x290
[  384.050508]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  384.055354]  ? bpf_prog_test_run+0x130/0x1a0
[  384.059773]  ? __x64_sys_bpf+0x3d8/0x520
[  384.063849]  ? bpf_prog_get+0x20/0x20
[  384.067698]  ? do_syscall_64+0x1b9/0x820
[  384.071774]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  384.077160]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.082086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.086928]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.091948]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  384.096967]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.101993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.106842]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  384.112232] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  384.112300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.119157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.119163] Call Trace:
[  384.119181]  dump_stack+0x244/0x39d
[  384.119200]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.119218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.125754] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.135055]  warn_alloc.cold.116+0xb7/0x1bd
[  384.137612] syz-executor2 cpuset=syz2 mems_allowed=0
[  384.141234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.176770]  ? lock_downgrade+0x900/0x900
[  384.180944]  ? trace_hardirqs_off+0xb8/0x310
[  384.185359]  ? trace_hardirqs_off+0xb8/0x310
[  384.189784]  __alloc_pages_slowpath+0x2651/0x2de0
[  384.195141]  ? warn_alloc+0x120/0x120
[  384.198946]  ? print_usage_bug+0xc0/0xc0
[  384.203012]  ? warn_alloc+0x120/0x120
[  384.206818]  ? warn_alloc+0x120/0x120
[  384.210625]  ? print_usage_bug+0xc0/0xc0
[  384.214692]  ? print_usage_bug+0xc0/0xc0
[  384.218759]  ? __lock_acquire+0x62f/0x4c20
[  384.223004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.228542]  ? should_fail+0x22d/0xd01
[  384.232434]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.237539]  ? __lock_acquire+0x62f/0x4c20
[  384.241780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.246883]  ? __lock_acquire+0x62f/0x4c20
[  384.251130]  ? should_fail+0x22d/0xd01
[  384.255028]  ? find_held_lock+0x36/0x1c0
[  384.259097]  ? mark_held_locks+0x130/0x130
[  384.263339]  ? mark_held_locks+0x130/0x130
[  384.267576]  ? zap_class+0x640/0x640
[  384.271299]  ? mark_held_locks+0xc7/0x130
[  384.275449]  ? do_raw_spin_unlock+0xa7/0x330
[  384.279861]  ? zap_class+0x640/0x640
[  384.283580]  ? print_usage_bug+0xc0/0xc0
[  384.287648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.293202]  ? check_preemption_disabled+0x48/0x280
[  384.298226]  ? __lock_is_held+0xb5/0x140
[  384.302293]  __alloc_pages_nodemask+0xad8/0xea0
[  384.306966]  ? zap_class+0x640/0x640
[  384.310687]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  384.315714]  ? find_held_lock+0x36/0x1c0
[  384.319786]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.324463]  ? lock_downgrade+0x900/0x900
[  384.328622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.334184]  cache_grow_begin+0xa5/0x8c0
[  384.338247]  ? do_raw_spin_unlock+0xa7/0x330
[  384.342663]  fallback_alloc+0x204/0x2e0
[  384.346647]  ____cache_alloc_node+0x1c7/0x1e0
[  384.351147]  kmem_cache_alloc_node+0xe3/0x730
[  384.355643]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.359894]  __alloc_skb+0x119/0x770
[  384.363617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.368921]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.373352]  ? lock_downgrade+0x900/0x900
[  384.377518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.383055]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.388512]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.393959]  ? addrconf_rs_timer+0x690/0x690
[  384.398372]  ndisc_alloc_skb+0x144/0x340
[  384.402442]  ndisc_send_rs+0x331/0x6e0
[  384.406333]  addrconf_rs_timer+0x314/0x690
[  384.410573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.414824]  call_timer_fn+0x272/0x920
[  384.418715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.422950]  ? process_timeout+0x40/0x40
[  384.427017]  ? __run_timers+0x7da/0xc70
[  384.430995]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.435488]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.439993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.444227]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.448814]  ? trace_hardirqs_on+0xbd/0x310
[  384.453159]  ? kasan_check_read+0x11/0x20
[  384.457302]  ? __run_timers+0x7da/0xc70
[  384.461276]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.466383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.470633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.474880]  __run_timers+0x7e5/0xc70
[  384.478697]  ? timer_fixup_init+0x70/0x70
[  384.482861]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.487368]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.491908]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.496499]  ? trace_hardirqs_on+0xbd/0x310
[  384.500817]  ? kasan_check_read+0x11/0x20
[  384.504984]  ? finish_task_switch+0x1f4/0x910
[  384.509503]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.514607]  ? compat_start_thread+0x80/0x80
[  384.519053]  ? pvclock_read_flags+0x160/0x160
[  384.523564]  ? __switch_to_asm+0x34/0x70
[  384.527630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.533168]  ? check_preemption_disabled+0x48/0x280
[  384.538209]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  384.543749]  ? rcu_pm_notify+0xc0/0xc0
[  384.547637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.553178]  ? check_preemption_disabled+0x48/0x280
[  384.558200]  run_timer_softirq+0x52/0xb0
[  384.562264]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.567279]  __do_softirq+0x308/0xb7e
[  384.571085]  ? retint_kernel+0x2d/0x2d
[  384.574976]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.580075]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.585523]  ? retint_kernel+0x2d/0x2d
[  384.589421]  ? schedule+0x108/0x460
[  384.593059]  ? trace_hardirqs_off+0xb8/0x310
[  384.597470]  ? smpboot_thread_fn+0x68b/0xa00
[  384.601876]  ? trace_hardirqs_on+0x310/0x310
[  384.606302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.611841]  ? check_preemption_disabled+0x48/0x280
[  384.616861]  ? takeover_tasklets+0xa90/0xa90
[  384.621276]  run_ksoftirqd+0x5e/0x100
[  384.625094]  smpboot_thread_fn+0x68b/0xa00
[  384.629333]  ? sort_range+0x30/0x30
[  384.632977]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.638082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.643638]  ? __kthread_parkme+0xfb/0x1a0
[  384.647878]  ? sort_range+0x30/0x30
[  384.651509]  kthread+0x35a/0x440
[  384.654877]  ? kthread_stop+0x900/0x900
[  384.658871]  ret_from_fork+0x3a/0x50
[  384.662598] warn_alloc_show_mem: 1 callbacks suppressed
[  384.662611] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  384.662612] Mem-Info:
[  384.662646] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  384.662646]  active_file:133 inactive_file:117 isolated_file:0
[  384.662646]  unevictable:0 dirty:3 writeback:0 unstable:0
[  384.662646]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  384.662646]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  384.662646]  free:13727 free_pcp:164 free_cma:0
[  384.667992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.675373] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  384.677769] Call Trace:
[  384.710978] 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
[  384.720323]  <IRQ>
[  384.748065] lowmem_reserve[]: 0 2818 6321 6321
[  384.750645]  dump_stack+0x244/0x39d
[  384.776729] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  384.778890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.783447] lowmem_reserve[]: 0 0 3503 3503
[  384.787087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.814660] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  384.819847]  warn_alloc.cold.116+0xb7/0x1bd
[  384.824140] lowmem_reserve[]: 0 0 0 0
[  384.829685]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.858895] 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
[  384.863213]  ? lock_downgrade+0x900/0x900
[  384.866989] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  384.871848]  ? trace_hardirqs_off+0xb8/0x310
[  384.885341] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  384.889482]  ? trace_hardirqs_off+0xb8/0x310
[  384.904815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.909215]  __alloc_pages_slowpath+0x2651/0x2de0
[  384.922718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.927133]  ? warn_alloc+0x120/0x120
[  384.935927] 2220 total pagecache pages
[  384.940760]  ? print_usage_bug+0xc0/0xc0
[  384.949343] 0 pages in swap cache
[  384.953145]  ? warn_alloc+0x120/0x120
[  384.957009] Swap cache stats: add 0, delete 0, find 0/0
[  384.961055]  ? warn_alloc+0x120/0x120
[  384.964480] Free swap  = 0kB
[  384.964488] Total swap = 0kB
[  384.968279]  ? print_usage_bug+0xc0/0xc0
[  384.973634] 1965979 pages RAM
[  384.977430]  ? print_usage_bug+0xc0/0xc0
[  384.980415] 0 pages HighMem/MovableOnly
[  384.980424] 342854 pages reserved
[  384.983442]  ? __lock_acquire+0x62f/0x4c20
[  384.987478] 0 pages cma reserved
[  384.990581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.994684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.998583]  ? should_fail+0x22d/0xd01
[  385.002093] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.006239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.009582] ksoftirqd/1 cpuset=/ mems_allowed=0
[  385.015126]  ? __lock_acquire+0x62f/0x4c20
[  385.049762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.054881]  ? __lock_acquire+0x62f/0x4c20
[  385.059131]  ? should_fail+0x22d/0xd01
[  385.063493]  ? find_held_lock+0x36/0x1c0
[  385.067564]  ? mark_held_locks+0x130/0x130
[  385.071803]  ? mark_held_locks+0x130/0x130
[  385.076037]  ? zap_class+0x640/0x640
[  385.079753]  ? zap_class+0x640/0x640
[  385.083468]  ? print_usage_bug+0xc0/0xc0
[  385.087527]  ? do_raw_spin_unlock+0xa7/0x330
[  385.091935]  ? zap_class+0x640/0x640
[  385.095650]  ? print_usage_bug+0xc0/0xc0
[  385.099739]  ? wq_watchdog_touch+0x9c/0xfe
[  385.103978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.109519]  ? check_preemption_disabled+0x48/0x280
[  385.114546]  ? __lock_is_held+0xb5/0x140
[  385.118614]  __alloc_pages_nodemask+0xad8/0xea0
[  385.123286]  ? zap_class+0x640/0x640
[  385.127006]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  385.132037]  ? find_held_lock+0x36/0x1c0
[  385.136112]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.140783]  ? lock_downgrade+0x900/0x900
[  385.144951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.150512]  cache_grow_begin+0xa5/0x8c0
[  385.154587]  ? do_raw_spin_unlock+0xa7/0x330
[  385.159009]  fallback_alloc+0x204/0x2e0
[  385.162996]  ____cache_alloc_node+0x1c7/0x1e0
[  385.167502]  kmem_cache_alloc_node+0xe3/0x730
[  385.171999]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.176258]  __alloc_skb+0x119/0x770
[  385.179975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.185261]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.189668]  ? lock_downgrade+0x900/0x900
[  385.193826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.199363]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.204824]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.210281]  ? addrconf_rs_timer+0x690/0x690
[  385.214702]  ndisc_alloc_skb+0x144/0x340
[  385.218772]  ndisc_send_rs+0x331/0x6e0
[  385.222666]  addrconf_rs_timer+0x314/0x690
[  385.226921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.231184]  call_timer_fn+0x272/0x920
[  385.235071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.239310]  ? process_timeout+0x40/0x40
[  385.243380]  ? __run_timers+0x7da/0xc70
[  385.247384]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.251910]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.256416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.260656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.265246]  ? trace_hardirqs_on+0xbd/0x310
[  385.269572]  ? kasan_check_read+0x11/0x20
[  385.273717]  ? __run_timers+0x7da/0xc70
[  385.277693]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.282809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.287052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.291291]  __run_timers+0x7e5/0xc70
[  385.295116]  ? timer_fixup_init+0x70/0x70
[  385.299269]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.304288]  ? zap_class+0x640/0x640
[  385.308007]  ? enqueue_hrtimer+0x1a5/0x560
[  385.312245]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.317449]  ? find_held_lock+0x36/0x1c0
[  385.321516]  ? zap_class+0x640/0x640
[  385.325233]  ? pvclock_read_flags+0x160/0x160
[  385.329730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.335273]  ? check_preemption_disabled+0x48/0x280
[  385.340301]  ? __lock_is_held+0xb5/0x140
[  385.344383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.349967]  ? check_preemption_disabled+0x48/0x280
[  385.354985]  run_timer_softirq+0x52/0xb0
[  385.359048]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.364083]  __do_softirq+0x308/0xb7e
[  385.367889]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.372406]  ? lock_downgrade+0x900/0x900
[  385.376567]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.381677]  ? pvclock_read_flags+0x160/0x160
[  385.386179]  ? lapic_next_event+0x5a/0x90
[  385.390333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.395876]  ? kvm_clock_read+0x18/0x30
[  385.399882]  ? kvm_sched_clock_read+0x9/0x20
[  385.404296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.409833]  ? check_preemption_disabled+0x48/0x280
[  385.414861]  irq_exit+0x17f/0x1c0
[  385.418342]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.423187]  ? smp_reschedule_interrupt+0x109/0x650
[  385.428204]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.434089]  ? interrupt_entry+0xb5/0xc0
[  385.438149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.443164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.448184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.453044]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.458071]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.463090]  ? task_prio+0x50/0x50
[  385.466630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.472167]  ? check_preemption_disabled+0x48/0x280
[  385.477191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.482073]  apic_timer_interrupt+0xf/0x20
[  385.486300]  </IRQ>
[  385.488545] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  385.493500] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  385.512422] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  385.520128] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.527421] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  385.534691] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  385.541958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  385.549226] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  385.556534]  skb_clone+0x1bb/0x500
[  385.560083]  ? skb_split+0x11e0/0x11e0
[  385.563978]  ? preempt_notifier_register+0x200/0x200
[  385.569079]  ? __switch_to_asm+0x34/0x70
[  385.573144]  ? __switch_to_asm+0x34/0x70
[  385.577202]  ? __switch_to_asm+0x40/0x70
[  385.581265]  ? __switch_to_asm+0x34/0x70
[  385.585322]  ? __switch_to_asm+0x40/0x70
[  385.589383]  ? __switch_to_asm+0x40/0x70
[  385.593461]  ? __switch_to_asm+0x34/0x70
[  385.597525]  ? __switch_to_asm+0x34/0x70
[  385.601584]  ? __switch_to_asm+0x40/0x70
[  385.605647]  ? __switch_to_asm+0x34/0x70
[  385.609712]  bpf_clone_redirect+0xb9/0x490
[  385.613956]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  385.618973]  ? __sched_text_start+0x8/0x8
[  385.623119]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.627892]  ? find_held_lock+0x36/0x1c0
[  385.631965]  ? lock_acquire+0x1ed/0x520
[  385.635940]  ? bpf_test_run+0x3ee/0x7a0
[  385.639917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.645458]  ? check_preemption_disabled+0x48/0x280
[  385.650482]  ? kasan_check_read+0x11/0x20
[  385.654631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.659906]  ? rcu_softirq_qs+0x20/0x20
[  385.663886]  ? preempt_schedule+0x4d/0x60
[  385.668037]  ? ___preempt_schedule+0x16/0x18
[  385.672457]  ? bpf_test_run+0x271/0x7a0
[  385.676446]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.680860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.686408]  ? bpf_test_init.isra.10+0x70/0x100
[  385.691095]  ? bpf_prog_test_run_skb+0x762/0xd60
[  385.695859]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.700708]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.706250]  ? fput+0x130/0x1a0
[  385.709535]  ? __bpf_prog_get+0x9b/0x290
[  385.713633]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.718481]  ? bpf_prog_test_run+0x130/0x1a0
[  385.722910]  ? __x64_sys_bpf+0x3d8/0x520
[  385.726989]  ? bpf_prog_get+0x20/0x20
[  385.730810]  ? do_syscall_64+0x1b9/0x820
[  385.734876]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.740241]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.745169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.750020]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.755042]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.760064]  ? prepare_exit_to_usermode+0x291/0x3b0
[  385.765088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.769938]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.775327] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  385.775440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.782287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.782293] Call Trace:
[  385.782311]  dump_stack+0x244/0x39d
[  385.782334]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.788880] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.798156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.800719] syz-executor2 cpuset=syz2 mems_allowed=0
[  385.804346]  warn_alloc.cold.116+0xb7/0x1bd
[  385.834932]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.839779]  ? lock_downgrade+0x900/0x900
[  385.843952]  ? trace_hardirqs_off+0xb8/0x310
[  385.848383]  ? trace_hardirqs_off+0xb8/0x310
[  385.852812]  __alloc_pages_slowpath+0x2651/0x2de0
[  385.857683]  ? warn_alloc+0x120/0x120
[  385.861523]  ? print_usage_bug+0xc0/0xc0
[  385.865589]  ? warn_alloc+0x120/0x120
[  385.869405]  ? warn_alloc+0x120/0x120
[  385.873226]  ? print_usage_bug+0xc0/0xc0
[  385.877295]  ? print_usage_bug+0xc0/0xc0
[  385.881372]  ? __lock_acquire+0x62f/0x4c20
[  385.885640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.891181]  ? should_fail+0x22d/0xd01
[  385.895073]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.900207]  ? __lock_acquire+0x62f/0x4c20
[  385.904450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.909553]  ? __lock_acquire+0x62f/0x4c20
[  385.913792]  ? should_fail+0x22d/0xd01
[  385.917684]  ? find_held_lock+0x36/0x1c0
[  385.921755]  ? mark_held_locks+0x130/0x130
[  385.926011]  ? mark_held_locks+0x130/0x130
[  385.930243]  ? zap_class+0x640/0x640
[  385.933963]  ? mark_held_locks+0xc7/0x130
[  385.938113]  ? do_raw_spin_unlock+0xa7/0x330
[  385.942539]  ? zap_class+0x640/0x640
[  385.946255]  ? print_usage_bug+0xc0/0xc0
[  385.950321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.955863]  ? check_preemption_disabled+0x48/0x280
[  385.960894]  ? __lock_is_held+0xb5/0x140
[  385.964965]  __alloc_pages_nodemask+0xad8/0xea0
[  385.969629]  ? zap_class+0x640/0x640
[  385.973351]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  385.978397]  ? find_held_lock+0x36/0x1c0
[  385.982471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.987155]  ? lock_downgrade+0x900/0x900
[  385.991308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.996852]  cache_grow_begin+0xa5/0x8c0
[  386.000918]  ? do_raw_spin_unlock+0xa7/0x330
[  386.005334]  fallback_alloc+0x204/0x2e0
[  386.009316]  ____cache_alloc_node+0x1c7/0x1e0
[  386.013820]  kmem_cache_alloc_node+0xe3/0x730
[  386.018316]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.022565]  __alloc_skb+0x119/0x770
[  386.026278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.031560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.036000]  ? lock_downgrade+0x900/0x900
[  386.040153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.045694]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.051153]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.056606]  ? addrconf_rs_timer+0x690/0x690
[  386.061045]  ndisc_alloc_skb+0x144/0x340
[  386.065115]  ndisc_send_rs+0x331/0x6e0
[  386.069009]  addrconf_rs_timer+0x314/0x690
[  386.073250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.077496]  call_timer_fn+0x272/0x920
[  386.081411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.085646]  ? process_timeout+0x40/0x40
[  386.089716]  ? __run_timers+0x7da/0xc70
[  386.093690]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.098199]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.102694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.106931]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.111515]  ? trace_hardirqs_on+0xbd/0x310
[  386.115837]  ? kasan_check_read+0x11/0x20
[  386.119984]  ? __run_timers+0x7da/0xc70
[  386.123965]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.129089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.133362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.137608]  __run_timers+0x7e5/0xc70
[  386.141446]  ? timer_fixup_init+0x70/0x70
[  386.145612]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.150110]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.154629]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.159218]  ? trace_hardirqs_on+0xbd/0x310
[  386.163555]  ? kasan_check_read+0x11/0x20
[  386.167706]  ? finish_task_switch+0x1f4/0x910
[  386.172202]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.177307]  ? compat_start_thread+0x80/0x80
[  386.181739]  ? pvclock_read_flags+0x160/0x160
[  386.186232]  ? __switch_to_asm+0x34/0x70
[  386.190297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.195993]  ? check_preemption_disabled+0x48/0x280
[  386.201020]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  386.206560]  ? rcu_pm_notify+0xc0/0xc0
[  386.210454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.215994]  ? check_preemption_disabled+0x48/0x280
[  386.221014]  run_timer_softirq+0x52/0xb0
[  386.225105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.230173]  __do_softirq+0x308/0xb7e
[  386.233988]  ? retint_kernel+0x2d/0x2d
[  386.237880]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.242991]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.248442]  ? retint_kernel+0x2d/0x2d
[  386.252334]  ? schedule+0x108/0x460
[  386.255984]  ? trace_hardirqs_off+0xb8/0x310
[  386.260411]  ? smpboot_thread_fn+0x68b/0xa00
[  386.264823]  ? trace_hardirqs_on+0x310/0x310
[  386.269247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.274817]  ? check_preemption_disabled+0x48/0x280
[  386.279837]  ? takeover_tasklets+0xa90/0xa90
[  386.284252]  run_ksoftirqd+0x5e/0x100
[  386.288082]  smpboot_thread_fn+0x68b/0xa00
[  386.292321]  ? sort_range+0x30/0x30
[  386.295948]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.301051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.306590]  ? __kthread_parkme+0xfb/0x1a0
[  386.310830]  ? sort_range+0x30/0x30
[  386.314460]  kthread+0x35a/0x440
[  386.317828]  ? kthread_stop+0x900/0x900
[  386.321805]  ret_from_fork+0x3a/0x50
[  386.325542] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  386.325548] warn_alloc_show_mem: 1 callbacks suppressed
[  386.325556] Mem-Info:
[  386.332912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.338284] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  386.338284]  active_file:133 inactive_file:117 isolated_file:0
[  386.338284]  unevictable:0 dirty:3 writeback:0 unstable:0
[  386.338284]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  386.338284]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  386.338284]  free:13727 free_pcp:164 free_cma:0
[  386.340655] Call Trace:
[  386.350044] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  386.383236]  <IRQ>
[  386.385805] 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
[  386.413563]  dump_stack+0x244/0x39d
[  386.415690] lowmem_reserve[]: 0 2818 6321 6321
[  386.441798]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.445404] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  386.449986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.455150] lowmem_reserve[]: 0 0 3503 3503
[  386.482739]  warn_alloc.cold.116+0xb7/0x1bd
[  386.488247] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  386.492561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.496858] lowmem_reserve[]: 0 0 0 0
[  386.526114]  ? lock_downgrade+0x900/0x900
[  386.530957] 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
[  386.534754]  ? trace_hardirqs_off+0xb8/0x310
[  386.538887] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  386.552428]  ? trace_hardirqs_off+0xb8/0x310
[  386.556804] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  386.572144]  __alloc_pages_slowpath+0x2651/0x2de0
[  386.576531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  386.590074]  ? warn_alloc+0x120/0x120
[  386.594876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  386.603699]  ? print_usage_bug+0xc0/0xc0
[  386.607475] 2220 total pagecache pages
[  386.616039]  ? warn_alloc+0x120/0x120
[  386.620083] 0 pages in swap cache
[  386.623962]  ? warn_alloc+0x120/0x120
[  386.627745] Swap cache stats: add 0, delete 0, find 0/0
[  386.631188]  ? print_usage_bug+0xc0/0xc0
[  386.634982] Free swap  = 0kB
[  386.640340]  ? print_usage_bug+0xc0/0xc0
[  386.644400] Total swap = 0kB
[  386.647433]  ? __lock_acquire+0x62f/0x4c20
[  386.651487] 1965979 pages RAM
[  386.654502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.658711] 0 pages HighMem/MovableOnly
[  386.661823]  ? should_fail+0x22d/0xd01
[  386.667334] 342854 pages reserved
[  386.671310]  ? __lock_acquire+0x62f/0x4c20
[  386.675167] 0 pages cma reserved
[  386.678616]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.682898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.686189]  ? __lock_acquire+0x62f/0x4c20
[  386.691349] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.697756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.701965] ksoftirqd/1 cpuset=/ mems_allowed=0
[  386.712274]  ? __lock_acquire+0x62f/0x4c20
[  386.726230]  ? should_fail+0x22d/0xd01
[  386.730127]  ? mark_held_locks+0x130/0x130
[  386.734367]  ? mark_held_locks+0x130/0x130
[  386.738612]  ? zap_class+0x640/0x640
[  386.742336]  ? zap_class+0x640/0x640
[  386.746049]  ? print_usage_bug+0xc0/0xc0
[  386.750116]  ? wq_watchdog_touch+0x9c/0xfe
[  386.754358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.759910]  ? check_preemption_disabled+0x48/0x280
[  386.764938]  ? __lock_is_held+0xb5/0x140
[  386.769006]  __alloc_pages_nodemask+0xad8/0xea0
[  386.773675]  ? zap_class+0x640/0x640
[  386.777404]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  386.782445]  ? find_held_lock+0x36/0x1c0
[  386.786518]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.791189]  ? lock_downgrade+0x900/0x900
[  386.795344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.800892]  cache_grow_begin+0xa5/0x8c0
[  386.804965]  ? do_raw_spin_unlock+0xa7/0x330
[  386.809423]  fallback_alloc+0x204/0x2e0
[  386.813422]  ____cache_alloc_node+0x1c7/0x1e0
[  386.817925]  kmem_cache_alloc_node+0xe3/0x730
[  386.822433]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.826684]  __alloc_skb+0x119/0x770
[  386.830437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.835725]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.840138]  ? lock_downgrade+0x900/0x900
[  386.844295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.849832]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.855288]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.860737]  ? addrconf_rs_timer+0x690/0x690
[  386.865155]  ndisc_alloc_skb+0x144/0x340
[  386.869233]  ndisc_send_rs+0x331/0x6e0
[  386.873144]  addrconf_rs_timer+0x314/0x690
[  386.877383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.881644]  call_timer_fn+0x272/0x920
[  386.885534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.889772]  ? process_timeout+0x40/0x40
[  386.893842]  ? __run_timers+0x7da/0xc70
[  386.897817]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.902308]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.906804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.911036]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.915618]  ? trace_hardirqs_on+0xbd/0x310
[  386.919943]  ? kasan_check_read+0x11/0x20
[  386.924088]  ? __run_timers+0x7da/0xc70
[  386.928067]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.933194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.937447]  __run_timers+0x7e5/0xc70
[  386.941283]  ? timer_fixup_init+0x70/0x70
[  386.945445]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.950463]  ? zap_class+0x640/0x640
[  386.954181]  ? enqueue_hrtimer+0x1a5/0x560
[  386.958434]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.963636]  ? find_held_lock+0x36/0x1c0
[  386.967721]  ? zap_class+0x640/0x640
[  386.971448]  ? pvclock_read_flags+0x160/0x160
[  386.975960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.981503]  ? check_preemption_disabled+0x48/0x280
[  386.986528]  ? __lock_is_held+0xb5/0x140
[  386.990610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.996151]  ? check_preemption_disabled+0x48/0x280
[  387.001189]  run_timer_softirq+0x52/0xb0
[  387.005251]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.010274]  __do_softirq+0x308/0xb7e
[  387.014079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.018573]  ? lock_downgrade+0x900/0x900
[  387.022727]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.027838]  ? pvclock_read_flags+0x160/0x160
[  387.032344]  ? lapic_next_event+0x5a/0x90
[  387.036498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.042040]  ? kvm_clock_read+0x18/0x30
[  387.046015]  ? kvm_sched_clock_read+0x9/0x20
[  387.050434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.055987]  ? check_preemption_disabled+0x48/0x280
[  387.061516]  irq_exit+0x17f/0x1c0
[  387.064989]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.069848]  ? smp_reschedule_interrupt+0x109/0x650
[  387.074883]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.080770]  ? interrupt_entry+0xb5/0xc0
[  387.084837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.089856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.094895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.099757]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.104788]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.109807]  ? task_prio+0x50/0x50
[  387.113348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.118900]  ? check_preemption_disabled+0x48/0x280
[  387.123919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.128849]  apic_timer_interrupt+0xf/0x20
[  387.133075]  </IRQ>
[  387.135318] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  387.140250] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  387.159179] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  387.166916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.174183] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  387.181448] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  387.188715] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  387.195999] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  387.203304]  skb_clone+0x1bb/0x500
[  387.206852]  ? skb_split+0x11e0/0x11e0
[  387.210761]  ? preempt_notifier_register+0x200/0x200
[  387.215863]  ? __switch_to_asm+0x34/0x70
[  387.219935]  ? __switch_to_asm+0x34/0x70
[  387.223992]  ? __switch_to_asm+0x40/0x70
[  387.228068]  ? __switch_to_asm+0x34/0x70
[  387.232124]  ? __switch_to_asm+0x40/0x70
[  387.236182]  ? __switch_to_asm+0x40/0x70
[  387.240256]  ? __switch_to_asm+0x34/0x70
[  387.244319]  ? __switch_to_asm+0x34/0x70
[  387.248381]  ? __switch_to_asm+0x40/0x70
[  387.252460]  ? __switch_to_asm+0x34/0x70
[  387.256524]  bpf_clone_redirect+0xb9/0x490
[  387.260767]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  387.265788]  ? __sched_text_start+0x8/0x8
[  387.269945]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.274730]  ? find_held_lock+0x36/0x1c0
[  387.278800]  ? lock_acquire+0x1ed/0x520
[  387.282774]  ? bpf_test_run+0x3ee/0x7a0
[  387.286748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.292292]  ? check_preemption_disabled+0x48/0x280
[  387.297357]  ? kasan_check_read+0x11/0x20
[  387.301521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.306829]  ? rcu_softirq_qs+0x20/0x20
[  387.310803]  ? preempt_schedule+0x4d/0x60
[  387.314954]  ? ___preempt_schedule+0x16/0x18
[  387.319371]  ? bpf_test_run+0x271/0x7a0
[  387.323370]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.327800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.333366]  ? bpf_test_init.isra.10+0x70/0x100
[  387.338051]  ? bpf_prog_test_run_skb+0x762/0xd60
[  387.342835]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.347686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.353239]  ? fput+0x130/0x1a0
[  387.356525]  ? __bpf_prog_get+0x9b/0x290
[  387.360589]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.365452]  ? bpf_prog_test_run+0x130/0x1a0
[  387.369862]  ? __x64_sys_bpf+0x3d8/0x520
[  387.373928]  ? bpf_prog_get+0x20/0x20
[  387.377748]  ? do_syscall_64+0x1b9/0x820
[  387.381809]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.387191]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.392118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.396964]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.401986]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.407007]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.412026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.416896]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.422281] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  387.422351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.429205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.429211] Call Trace:
[  387.429229]  dump_stack+0x244/0x39d
[  387.429248]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.429264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.435826] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.445108]  warn_alloc.cold.116+0xb7/0x1bd
[  387.447669] syz-executor2 cpuset=syz2 mems_allowed=0
[  387.451289]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.486677]  ? lock_downgrade+0x900/0x900
[  387.490850]  ? trace_hardirqs_off+0xb8/0x310
[  387.495266]  ? trace_hardirqs_off+0xb8/0x310
[  387.499686]  __alloc_pages_slowpath+0x2651/0x2de0
[  387.504564]  ? warn_alloc+0x120/0x120
[  387.508375]  ? print_usage_bug+0xc0/0xc0
[  387.512446]  ? warn_alloc+0x120/0x120
[  387.516252]  ? warn_alloc+0x120/0x120
[  387.520052]  ? print_usage_bug+0xc0/0xc0
[  387.524132]  ? print_usage_bug+0xc0/0xc0
[  387.528193]  ? __lock_acquire+0x62f/0x4c20
[  387.532433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.537976]  ? should_fail+0x22d/0xd01
[  387.541871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.546979]  ? __lock_acquire+0x62f/0x4c20
[  387.551224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.556329]  ? __lock_acquire+0x62f/0x4c20
[  387.560568]  ? should_fail+0x22d/0xd01
[  387.564455]  ? find_held_lock+0x36/0x1c0
[  387.568526]  ? mark_held_locks+0x130/0x130
[  387.572768]  ? mark_held_locks+0x130/0x130
[  387.577007]  ? zap_class+0x640/0x640
[  387.580726]  ? mark_held_locks+0xc7/0x130
[  387.584875]  ? do_raw_spin_unlock+0xa7/0x330
[  387.589290]  ? zap_class+0x640/0x640
[  387.593006]  ? print_usage_bug+0xc0/0xc0
[  387.597078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.602616]  ? check_preemption_disabled+0x48/0x280
[  387.607643]  ? __lock_is_held+0xb5/0x140
[  387.611711]  __alloc_pages_nodemask+0xad8/0xea0
[  387.616379]  ? zap_class+0x640/0x640
[  387.620111]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  387.625138]  ? find_held_lock+0x36/0x1c0
[  387.629212]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.633884]  ? lock_downgrade+0x900/0x900
[  387.638055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.643594]  cache_grow_begin+0xa5/0x8c0
[  387.647657]  ? do_raw_spin_unlock+0xa7/0x330
[  387.652073]  fallback_alloc+0x204/0x2e0
[  387.656087]  ____cache_alloc_node+0x1c7/0x1e0
[  387.660592]  kmem_cache_alloc_node+0xe3/0x730
[  387.665092]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.669336]  __alloc_skb+0x119/0x770
[  387.673048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.678331]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.682744]  ? lock_downgrade+0x900/0x900
[  387.686900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.692449]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.697904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.703363]  ? addrconf_rs_timer+0x690/0x690
[  387.707792]  ndisc_alloc_skb+0x144/0x340
[  387.711877]  ndisc_send_rs+0x331/0x6e0
[  387.715776]  addrconf_rs_timer+0x314/0x690
[  387.720015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.724265]  call_timer_fn+0x272/0x920
[  387.728153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.732396]  ? process_timeout+0x40/0x40
[  387.736468]  ? __run_timers+0x7da/0xc70
[  387.740446]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.744942]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.749438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.753674]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.758258]  ? trace_hardirqs_on+0xbd/0x310
[  387.762583]  ? kasan_check_read+0x11/0x20
[  387.766736]  ? __run_timers+0x7da/0xc70
[  387.770716]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.775823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.780065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.784301]  __run_timers+0x7e5/0xc70
[  387.788113]  ? timer_fixup_init+0x70/0x70
[  387.792259]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.796754]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.801253]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.805861]  ? trace_hardirqs_on+0xbd/0x310
[  387.810214]  ? kasan_check_read+0x11/0x20
[  387.814362]  ? finish_task_switch+0x1f4/0x910
[  387.818866]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.823966]  ? compat_start_thread+0x80/0x80
[  387.828406]  ? pvclock_read_flags+0x160/0x160
[  387.832901]  ? __switch_to_asm+0x34/0x70
[  387.836967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.842537]  ? check_preemption_disabled+0x48/0x280
[  387.847563]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  387.853106]  ? rcu_pm_notify+0xc0/0xc0
[  387.857007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.862546]  ? check_preemption_disabled+0x48/0x280
[  387.867565]  run_timer_softirq+0x52/0xb0
[  387.871628]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.876645]  __do_softirq+0x308/0xb7e
[  387.880453]  ? retint_kernel+0x2d/0x2d
[  387.884344]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.889449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.894921]  ? retint_kernel+0x2d/0x2d
[  387.898815]  ? schedule+0x108/0x460
[  387.902458]  ? trace_hardirqs_off+0xb8/0x310
[  387.906899]  ? smpboot_thread_fn+0x68b/0xa00
[  387.911313]  ? trace_hardirqs_on+0x310/0x310
[  387.915726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.921267]  ? check_preemption_disabled+0x48/0x280
[  387.926283]  ? takeover_tasklets+0xa90/0xa90
[  387.930692]  run_ksoftirqd+0x5e/0x100
[  387.934493]  smpboot_thread_fn+0x68b/0xa00
[  387.938732]  ? sort_range+0x30/0x30
[  387.942363]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.947481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.953020]  ? __kthread_parkme+0xfb/0x1a0
[  387.957272]  ? sort_range+0x30/0x30
[  387.960904]  kthread+0x35a/0x440
[  387.964281]  ? kthread_stop+0x900/0x900
[  387.968270]  ret_from_fork+0x3a/0x50
[  387.972006] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  387.972011] warn_alloc_show_mem: 1 callbacks suppressed
[  387.972019] Mem-Info:
[  387.979372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.984746] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  387.984746]  active_file:133 inactive_file:117 isolated_file:0
[  387.984746]  unevictable:0 dirty:3 writeback:0 unstable:0
[  387.984746]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  387.984746]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  387.984746]  free:13727 free_pcp:164 free_cma:0
[  387.987120] Call Trace:
[  387.996509] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  388.029701]  <IRQ>
[  388.032275] 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
[  388.060030]  dump_stack+0x244/0x39d
[  388.062167] lowmem_reserve[]: 0 2818 6321 6321
[  388.088269]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.091875] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  388.096457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.101619] lowmem_reserve[]: 0 0 3503 3503
[  388.129203]  warn_alloc.cold.116+0xb7/0x1bd
[  388.134712] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  388.139042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.143340] lowmem_reserve[]: 0 0 0 0
[  388.172573]  ? lock_downgrade+0x900/0x900
[  388.177398] 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
[  388.181212]  ? trace_hardirqs_off+0xb8/0x310
[  388.185334] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  388.198976]  ? trace_hardirqs_off+0xb8/0x310
[  388.203361] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  388.218704]  __alloc_pages_slowpath+0x2651/0x2de0
[  388.223091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.236668]  ? warn_alloc+0x120/0x120
[  388.241451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.250273]  ? print_usage_bug+0xc0/0xc0
[  388.254048] 2220 total pagecache pages
[  388.262614]  ? warn_alloc+0x120/0x120
[  388.266655] 0 pages in swap cache
[  388.270532]  ? warn_alloc+0x120/0x120
[  388.274314] Swap cache stats: add 0, delete 0, find 0/0
[  388.277775]  ? print_usage_bug+0xc0/0xc0
[  388.281551] Free swap  = 0kB
[  388.286927]  ? print_usage_bug+0xc0/0xc0
[  388.290963] Total swap = 0kB
[  388.293979]  ? __lock_acquire+0x62f/0x4c20
[  388.298014] 1965979 pages RAM
[  388.301029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.305253] 0 pages HighMem/MovableOnly
[  388.308353]  ? should_fail+0x22d/0xd01
[  388.313862] 342854 pages reserved
[  388.317829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.321695] 0 pages cma reserved
[  388.325154]  ? __lock_acquire+0x62f/0x4c20
[  388.330301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.333590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.337857] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.344306]  ? __lock_acquire+0x62f/0x4c20
[  388.349405] ksoftirqd/1 cpuset=/ mems_allowed=0
[  388.359736]  ? should_fail+0x22d/0xd01
[  388.372499]  ? mark_held_locks+0x130/0x130
[  388.376742]  ? mark_held_locks+0x130/0x130
[  388.380975]  ? zap_class+0x640/0x640
[  388.384719]  ? zap_class+0x640/0x640
[  388.388442]  ? print_usage_bug+0xc0/0xc0
[  388.392504]  ? do_raw_spin_unlock+0xa7/0x330
[  388.396913]  ? zap_class+0x640/0x640
[  388.400631]  ? print_usage_bug+0xc0/0xc0
[  388.404694]  ? wq_watchdog_touch+0x9c/0xfe
[  388.408976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.414529]  ? check_preemption_disabled+0x48/0x280
[  388.419555]  ? __lock_is_held+0xb5/0x140
[  388.423622]  __alloc_pages_nodemask+0xad8/0xea0
[  388.428292]  ? zap_class+0x640/0x640
[  388.432010]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  388.437041]  ? find_held_lock+0x36/0x1c0
[  388.441160]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.445831]  ? lock_downgrade+0x900/0x900
[  388.449985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.455532]  cache_grow_begin+0xa5/0x8c0
[  388.459608]  ? do_raw_spin_unlock+0xa7/0x330
[  388.464027]  fallback_alloc+0x204/0x2e0
[  388.468021]  ____cache_alloc_node+0x1c7/0x1e0
[  388.472524]  kmem_cache_alloc_node+0xe3/0x730
[  388.477021]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.481285]  __alloc_skb+0x119/0x770
[  388.485012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.490292]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.494701]  ? lock_downgrade+0x900/0x900
[  388.498856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.504402]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.509865]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.515315]  ? addrconf_rs_timer+0x690/0x690
[  388.519735]  ndisc_alloc_skb+0x144/0x340
[  388.523801]  ndisc_send_rs+0x331/0x6e0
[  388.527694]  addrconf_rs_timer+0x314/0x690
[  388.531950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.536209]  call_timer_fn+0x272/0x920
[  388.540097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.544334]  ? process_timeout+0x40/0x40
[  388.548416]  ? __run_timers+0x7da/0xc70
[  388.552406]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.556919]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.561428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.565663]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.570247]  ? trace_hardirqs_on+0xbd/0x310
[  388.574566]  ? kasan_check_read+0x11/0x20
[  388.578714]  ? __run_timers+0x7da/0xc70
[  388.582693]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.587811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.592044]  __run_timers+0x7e5/0xc70
[  388.595857]  ? timer_fixup_init+0x70/0x70
[  388.600004]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.605020]  ? zap_class+0x640/0x640
[  388.608794]  ? enqueue_hrtimer+0x1a5/0x560
[  388.613045]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.618241]  ? find_held_lock+0x36/0x1c0
[  388.622306]  ? zap_class+0x640/0x640
[  388.626025]  ? pvclock_read_flags+0x160/0x160
[  388.630528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.636065]  ? check_preemption_disabled+0x48/0x280
[  388.641124]  ? __lock_is_held+0xb5/0x140
[  388.645187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.650728]  ? check_preemption_disabled+0x48/0x280
[  388.655755]  run_timer_softirq+0x52/0xb0
[  388.659816]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.664834]  __do_softirq+0x308/0xb7e
[  388.668638]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.673130]  ? lock_downgrade+0x900/0x900
[  388.677312]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.682436]  ? pvclock_read_flags+0x160/0x160
[  388.687016]  ? lapic_next_event+0x5a/0x90
[  388.691179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.696725]  ? kvm_clock_read+0x18/0x30
[  388.700702]  ? kvm_sched_clock_read+0x9/0x20
[  388.705140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.710692]  ? check_preemption_disabled+0x48/0x280
[  388.715723]  irq_exit+0x17f/0x1c0
[  388.719181]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.724025]  ? smp_reschedule_interrupt+0x109/0x650
[  388.729050]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.734934]  ? interrupt_entry+0xb5/0xc0
[  388.738996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.744015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.749061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.753909]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.758924]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.763945]  ? task_prio+0x50/0x50
[  388.767489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.773029]  ? check_preemption_disabled+0x48/0x280
[  388.778061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.782918]  apic_timer_interrupt+0xf/0x20
[  388.787149]  </IRQ>
[  388.789417] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  388.794352] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  388.813251] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  388.820953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  388.828216] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  388.835484] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  388.842753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  388.850020] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  388.857324]  skb_clone+0x1bb/0x500
[  388.860865]  ? skb_split+0x11e0/0x11e0
[  388.864790]  ? preempt_notifier_register+0x200/0x200
[  388.869901]  ? __switch_to_asm+0x34/0x70
[  388.873963]  ? __switch_to_asm+0x34/0x70
[  388.878024]  ? __switch_to_asm+0x40/0x70
[  388.882079]  ? __switch_to_asm+0x34/0x70
[  388.886142]  ? __switch_to_asm+0x40/0x70
[  388.890202]  ? __switch_to_asm+0x40/0x70
[  388.894258]  ? __switch_to_asm+0x34/0x70
[  388.898322]  ? __switch_to_asm+0x34/0x70
[  388.902383]  ? __switch_to_asm+0x40/0x70
[  388.906455]  ? __switch_to_asm+0x34/0x70
[  388.910521]  bpf_clone_redirect+0xb9/0x490
[  388.914767]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  388.919789]  ? __sched_text_start+0x8/0x8
[  388.923938]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  388.928706]  ? find_held_lock+0x36/0x1c0
[  388.932780]  ? lock_acquire+0x1ed/0x520
[  388.936756]  ? bpf_test_run+0x3ee/0x7a0
[  388.940731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.946272]  ? check_preemption_disabled+0x48/0x280
[  388.951291]  ? kasan_check_read+0x11/0x20
[  388.955457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.960746]  ? rcu_softirq_qs+0x20/0x20
[  388.964722]  ? preempt_schedule+0x4d/0x60
[  388.968871]  ? ___preempt_schedule+0x16/0x18
[  388.973290]  ? bpf_test_run+0x271/0x7a0
[  388.977297]  ? netlink_diag_dump+0x2a0/0x2a0
[  388.981713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.987251]  ? bpf_test_init.isra.10+0x70/0x100
[  388.991922]  ? bpf_prog_test_run_skb+0x762/0xd60
[  388.996687]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  389.001535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  389.007073]  ? fput+0x130/0x1a0
[  389.010361]  ? __bpf_prog_get+0x9b/0x290
[  389.014442]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  389.019322]  ? bpf_prog_test_run+0x130/0x1a0
[  389.023748]  ? __x64_sys_bpf+0x3d8/0x520
[  389.027811]  ? bpf_prog_get+0x20/0x20
[  389.031630]  ? do_syscall_64+0x1b9/0x820
[  389.035697]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  389.041083]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.046032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.050923]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.055940]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.061433]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.066474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.071323]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  389.076706] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  389.076774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.083634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.083639] Call Trace:
[  389.083657]  dump_stack+0x244/0x39d
[  389.083676]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.083693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.090249] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.099520]  warn_alloc.cold.116+0xb7/0x1bd
[  389.102079] syz-executor2 cpuset=syz2 mems_allowed=0
[  389.105703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.141079]  ? lock_downgrade+0x900/0x900
[  389.145240]  ? trace_hardirqs_off+0xb8/0x310
[  389.149683]  ? trace_hardirqs_off+0xb8/0x310
[  389.154130]  __alloc_pages_slowpath+0x2651/0x2de0
[  389.159013]  ? warn_alloc+0x120/0x120
[  389.162819]  ? print_usage_bug+0xc0/0xc0
[  389.166881]  ? warn_alloc+0x120/0x120
[  389.170693]  ? warn_alloc+0x120/0x120
[  389.174495]  ? print_usage_bug+0xc0/0xc0
[  389.178560]  ? print_usage_bug+0xc0/0xc0
[  389.182626]  ? __lock_acquire+0x62f/0x4c20
[  389.186880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.192426]  ? should_fail+0x22d/0xd01
[  389.196321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.201425]  ? __lock_acquire+0x62f/0x4c20
[  389.205665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.210771]  ? __lock_acquire+0x62f/0x4c20
[  389.215009]  ? should_fail+0x22d/0xd01
[  389.218897]  ? find_held_lock+0x36/0x1c0
[  389.222987]  ? mark_held_locks+0x130/0x130
[  389.227238]  ? mark_held_locks+0x130/0x130
[  389.231489]  ? zap_class+0x640/0x640
[  389.235206]  ? zap_class+0x640/0x640
[  389.238942]  ? print_usage_bug+0xc0/0xc0
[  389.242998]  ? do_raw_spin_unlock+0xa7/0x330
[  389.247415]  ? zap_class+0x640/0x640
[  389.251133]  ? print_usage_bug+0xc0/0xc0
[  389.255206]  ? wq_watchdog_touch+0x9c/0xfe
[  389.259445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.264988]  ? check_preemption_disabled+0x48/0x280
[  389.270012]  ? __lock_is_held+0xb5/0x140
[  389.274110]  __alloc_pages_nodemask+0xad8/0xea0
[  389.278778]  ? zap_class+0x640/0x640
[  389.282498]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  389.287537]  ? find_held_lock+0x36/0x1c0
[  389.291609]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.296278]  ? lock_downgrade+0x900/0x900
[  389.300433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.305974]  cache_grow_begin+0xa5/0x8c0
[  389.310031]  ? do_raw_spin_unlock+0xa7/0x330
[  389.314449]  fallback_alloc+0x204/0x2e0
[  389.318436]  ____cache_alloc_node+0x1c7/0x1e0
[  389.322942]  kmem_cache_alloc_node+0xe3/0x730
[  389.327441]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.331688]  __alloc_skb+0x119/0x770
[  389.335410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.340693]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.345102]  ? lock_downgrade+0x900/0x900
[  389.349261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.354804]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.360259]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.365712]  ? addrconf_rs_timer+0x690/0x690
[  389.370134]  ndisc_alloc_skb+0x144/0x340
[  389.374201]  ndisc_send_rs+0x331/0x6e0
[  389.378102]  addrconf_rs_timer+0x314/0x690
[  389.382338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.386599]  call_timer_fn+0x272/0x920
[  389.390492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.394728]  ? process_timeout+0x40/0x40
[  389.398800]  ? __run_timers+0x7da/0xc70
[  389.402776]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.407274]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.411771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.416010]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.420607]  ? trace_hardirqs_on+0xbd/0x310
[  389.424948]  ? kasan_check_read+0x11/0x20
[  389.429097]  ? __run_timers+0x7da/0xc70
[  389.433074]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.438198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.442453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.446700]  __run_timers+0x7e5/0xc70
[  389.450512]  ? timer_fixup_init+0x70/0x70
[  389.454660]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.459154]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.463654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.468251]  ? trace_hardirqs_on+0xbd/0x310
[  389.472601]  ? kasan_check_read+0x11/0x20
[  389.476773]  ? finish_task_switch+0x1f4/0x910
[  389.481273]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.486381]  ? compat_start_thread+0x80/0x80
[  389.490821]  ? pvclock_read_flags+0x160/0x160
[  389.495315]  ? __switch_to_asm+0x34/0x70
[  389.499380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.504935]  ? check_preemption_disabled+0x48/0x280
[  389.509962]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  389.515530]  ? rcu_pm_notify+0xc0/0xc0
[  389.519428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.524970]  ? check_preemption_disabled+0x48/0x280
[  389.529993]  run_timer_softirq+0x52/0xb0
[  389.534057]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.539098]  __do_softirq+0x308/0xb7e
[  389.542901]  ? retint_kernel+0x2d/0x2d
[  389.546799]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.551907]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.557361]  ? retint_kernel+0x2d/0x2d
[  389.561262]  ? schedule+0x108/0x460
[  389.564899]  ? trace_hardirqs_off+0xb8/0x310
[  389.569311]  ? smpboot_thread_fn+0x68b/0xa00
[  389.573721]  ? trace_hardirqs_on+0x310/0x310
[  389.578132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.583675]  ? check_preemption_disabled+0x48/0x280
[  389.588692]  ? takeover_tasklets+0xa90/0xa90
[  389.593104]  run_ksoftirqd+0x5e/0x100
[  389.596904]  smpboot_thread_fn+0x68b/0xa00
[  389.601151]  ? sort_range+0x30/0x30
[  389.604777]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.609883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.615432]  ? __kthread_parkme+0xfb/0x1a0
[  389.619674]  ? sort_range+0x30/0x30
[  389.623302]  kthread+0x35a/0x440
[  389.626670]  ? kthread_stop+0x900/0x900
[  389.630646]  ret_from_fork+0x3a/0x50
[  389.634373] warn_alloc_show_mem: 1 callbacks suppressed
[  389.634385] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  389.634395] Mem-Info:
[  389.634428] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  389.634428]  active_file:133 inactive_file:117 isolated_file:0
[  389.634428]  unevictable:0 dirty:3 writeback:0 unstable:0
[  389.634428]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  389.634428]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  389.634428]  free:13727 free_pcp:164 free_cma:0
[  389.639774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.647153] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  389.649567] Call Trace:
[  389.682776] 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
[  389.692120]  <IRQ>
[  389.719862] lowmem_reserve[]: 0 2818 6321 6321
[  389.722451]  dump_stack+0x244/0x39d
[  389.748533] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  389.750678]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.755233] lowmem_reserve[]: 0 0 3503 3503
[  389.758859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.786414] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  389.791620]  warn_alloc.cold.116+0xb7/0x1bd
[  389.795914] lowmem_reserve[]: 0 0 0 0
[  389.801451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.830659] 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
[  389.834987]  ? lock_downgrade+0x900/0x900
[  389.838765] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  389.843635]  ? trace_hardirqs_off+0xb8/0x310
[  389.857129] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  389.861282]  ? trace_hardirqs_off+0xb8/0x310
[  389.876610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.881006]  __alloc_pages_slowpath+0x2651/0x2de0
[  389.894503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.898923]  ? warn_alloc+0x120/0x120
[  389.907718] 2220 total pagecache pages
[  389.912583]  ? print_usage_bug+0xc0/0xc0
[  389.921137] 0 pages in swap cache
[  389.924925]  ? warn_alloc+0x120/0x120
[  389.924958]  ? warn_alloc+0x120/0x120
[  389.928856] Swap cache stats: add 0, delete 0, find 0/0
[  389.932907]  ? print_usage_bug+0xc0/0xc0
[  389.936341] Free swap  = 0kB
[  389.940130]  ? kvm_clock_read+0x18/0x30
[  389.943904] Total swap = 0kB
[  389.949276]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.953311] 1965979 pages RAM
[  389.956325]  ? print_usage_bug+0xc0/0xc0
[  389.960276] 0 pages HighMem/MovableOnly
[  389.963291]  ? __lock_acquire+0x62f/0x4c20
[  389.968285] 342854 pages reserved
[  389.971385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.975431] 0 pages cma reserved
[  389.979417]  ? should_fail+0x22d/0xd01
[  389.983708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.987060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.987078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.992674] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.995957]  ? __lock_acquire+0x62f/0x4c20
[  389.999819] ksoftirqd/1 cpuset=/ mems_allowed=0
[  390.006321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.040938]  ? __lock_acquire+0x62f/0x4c20
[  390.045171]  ? should_fail+0x22d/0xd01
[  390.049060]  ? rcu_irq_exit+0x1a2/0x390
[  390.053057]  ? mark_held_locks+0x130/0x130
[  390.057329]  ? mark_held_locks+0x130/0x130
[  390.061584]  ? mark_held_locks+0xc7/0x130
[  390.065733]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.070764]  ? zap_class+0x640/0x640
[  390.074481]  ? print_usage_bug+0xc0/0xc0
[  390.078548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.084089]  ? check_preemption_disabled+0x48/0x280
[  390.089126]  ? __lock_is_held+0xb5/0x140
[  390.093208]  __alloc_pages_nodemask+0xad8/0xea0
[  390.097892]  ? zap_class+0x640/0x640
[  390.101639]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  390.106684]  ? find_held_lock+0x36/0x1c0
[  390.110759]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.115465]  ? lock_downgrade+0x900/0x900
[  390.119622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.125171]  cache_grow_begin+0xa5/0x8c0
[  390.129236]  ? do_raw_spin_unlock+0xa7/0x330
[  390.133700]  fallback_alloc+0x204/0x2e0
[  390.137685]  ____cache_alloc_node+0x1c7/0x1e0
[  390.142185]  kmem_cache_alloc_node+0xe3/0x730
[  390.146680]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.150944]  __alloc_skb+0x119/0x770
[  390.154673]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.159960]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.164373]  ? lock_downgrade+0x900/0x900
[  390.168542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.174110]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.179569]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.185017]  ? addrconf_rs_timer+0x690/0x690
[  390.189462]  ndisc_alloc_skb+0x144/0x340
[  390.193698]  ndisc_send_rs+0x331/0x6e0
[  390.197595]  addrconf_rs_timer+0x314/0x690
[  390.201840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.206088]  call_timer_fn+0x272/0x920
[  390.209979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.214214]  ? process_timeout+0x40/0x40
[  390.218295]  ? __run_timers+0x7da/0xc70
[  390.222268]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.226765]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.231262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.235499]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.240082]  ? trace_hardirqs_on+0xbd/0x310
[  390.244433]  ? kasan_check_read+0x11/0x20
[  390.248583]  ? __run_timers+0x7da/0xc70
[  390.252560]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.257671]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.261915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.266150]  __run_timers+0x7e5/0xc70
[  390.269986]  ? timer_fixup_init+0x70/0x70
[  390.274151]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.279166]  ? zap_class+0x640/0x640
[  390.282883]  ? enqueue_hrtimer+0x1a5/0x560
[  390.287123]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.292332]  ? find_held_lock+0x36/0x1c0
[  390.296405]  ? zap_class+0x640/0x640
[  390.300158]  ? pvclock_read_flags+0x160/0x160
[  390.304655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.310193]  ? check_preemption_disabled+0x48/0x280
[  390.315216]  ? __lock_is_held+0xb5/0x140
[  390.319282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.324819]  ? check_preemption_disabled+0x48/0x280
[  390.329840]  run_timer_softirq+0x52/0xb0
[  390.333901]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.338917]  __do_softirq+0x308/0xb7e
[  390.342722]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.347219]  ? lock_downgrade+0x900/0x900
[  390.351370]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.356515]  ? pvclock_read_flags+0x160/0x160
[  390.361015]  ? lapic_next_event+0x5a/0x90
[  390.365167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.370710]  ? kvm_clock_read+0x18/0x30
[  390.374701]  ? kvm_sched_clock_read+0x9/0x20
[  390.379114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.384651]  ? check_preemption_disabled+0x48/0x280
[  390.389679]  irq_exit+0x17f/0x1c0
[  390.393132]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.397977]  ? smp_reschedule_interrupt+0x109/0x650
[  390.403007]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.408919]  ? interrupt_entry+0xb5/0xc0
[  390.412980]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.418007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.423042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.427914]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.432951]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.437968]  ? task_prio+0x50/0x50
[  390.441513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.447069]  ? check_preemption_disabled+0x48/0x280
[  390.452091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.456946]  apic_timer_interrupt+0xf/0x20
[  390.461175]  </IRQ>
[  390.463434] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  390.468368] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  390.487274] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  390.494977] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.502240] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  390.509516] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  390.516779] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  390.524046] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  390.531349]  skb_clone+0x1bb/0x500
[  390.534897]  ? skb_split+0x11e0/0x11e0
[  390.538792]  ? preempt_notifier_register+0x200/0x200
[  390.543895]  ? __switch_to_asm+0x34/0x70
[  390.547952]  ? __switch_to_asm+0x34/0x70
[  390.552011]  ? __switch_to_asm+0x40/0x70
[  390.556068]  ? __switch_to_asm+0x34/0x70
[  390.560143]  ? __switch_to_asm+0x40/0x70
[  390.564233]  ? __switch_to_asm+0x40/0x70
[  390.568289]  ? __switch_to_asm+0x34/0x70
[  390.572347]  ? __switch_to_asm+0x34/0x70
[  390.576419]  ? __switch_to_asm+0x40/0x70
[  390.580477]  ? __switch_to_asm+0x34/0x70
[  390.584548]  bpf_clone_redirect+0xb9/0x490
[  390.588835]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  390.593852]  ? __sched_text_start+0x8/0x8
[  390.598011]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.602775]  ? find_held_lock+0x36/0x1c0
[  390.606874]  ? lock_acquire+0x1ed/0x520
[  390.610863]  ? bpf_test_run+0x3ee/0x7a0
[  390.614835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.620371]  ? check_preemption_disabled+0x48/0x280
[  390.625448]  ? kasan_check_read+0x11/0x20
[  390.629600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.634874]  ? rcu_softirq_qs+0x20/0x20
[  390.638849]  ? preempt_schedule+0x4d/0x60
[  390.642997]  ? ___preempt_schedule+0x16/0x18
[  390.647426]  ? bpf_test_run+0x271/0x7a0
[  390.651430]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.655844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.661407]  ? bpf_test_init.isra.10+0x70/0x100
[  390.666117]  ? bpf_prog_test_run_skb+0x762/0xd60
[  390.670930]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.675810]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.681347]  ? fput+0x130/0x1a0
[  390.684636]  ? __bpf_prog_get+0x9b/0x290
[  390.688701]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.693548]  ? bpf_prog_test_run+0x130/0x1a0
[  390.697961]  ? __x64_sys_bpf+0x3d8/0x520
[  390.702021]  ? bpf_prog_get+0x20/0x20
[  390.705859]  ? do_syscall_64+0x1b9/0x820
[  390.709934]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.715306]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.720238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.725083]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.730102]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.735122]  ? prepare_exit_to_usermode+0x291/0x3b0
[  390.740163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.745011]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.750404] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  390.750480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.757336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.757345] Call Trace:
[  390.763924] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.773175]  dump_stack+0x244/0x39d
[  390.775737] syz-executor2 cpuset=syz2 mems_allowed=0
[  390.786218]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.800094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.805641]  warn_alloc.cold.116+0xb7/0x1bd
[  390.809970]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.814822]  ? lock_downgrade+0x900/0x900
[  390.818980]  ? trace_hardirqs_off+0xb8/0x310
[  390.823402]  ? trace_hardirqs_off+0xb8/0x310
[  390.827825]  __alloc_pages_slowpath+0x2651/0x2de0
[  390.832713]  ? warn_alloc+0x120/0x120
[  390.836516]  ? print_usage_bug+0xc0/0xc0
[  390.840578]  ? warn_alloc+0x120/0x120
[  390.844400]  ? warn_alloc+0x120/0x120
[  390.848214]  ? print_usage_bug+0xc0/0xc0
[  390.852282]  ? print_usage_bug+0xc0/0xc0
[  390.856346]  ? __lock_acquire+0x62f/0x4c20
[  390.860586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.866126]  ? should_fail+0x22d/0xd01
[  390.870018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.875121]  ? __lock_acquire+0x62f/0x4c20
[  390.879364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.884476]  ? __lock_acquire+0x62f/0x4c20
[  390.888712]  ? should_fail+0x22d/0xd01
[  390.892603]  ? find_held_lock+0x36/0x1c0
[  390.896676]  ? mark_held_locks+0x130/0x130
[  390.900920]  ? mark_held_locks+0x130/0x130
[  390.905153]  ? zap_class+0x640/0x640
[  390.908873]  ? mark_held_locks+0xc7/0x130
[  390.913022]  ? do_raw_spin_unlock+0xa7/0x330
[  390.917455]  ? zap_class+0x640/0x640
[  390.921172]  ? print_usage_bug+0xc0/0xc0
[  390.925238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.930777]  ? check_preemption_disabled+0x48/0x280
[  390.935802]  ? __lock_is_held+0xb5/0x140
[  390.939887]  __alloc_pages_nodemask+0xad8/0xea0
[  390.944560]  ? zap_class+0x640/0x640
[  390.948279]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  390.953308]  ? find_held_lock+0x36/0x1c0
[  390.957379]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.962066]  ? lock_downgrade+0x900/0x900
[  390.966220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.971760]  cache_grow_begin+0xa5/0x8c0
[  390.975822]  ? do_raw_spin_unlock+0xa7/0x330
[  390.980238]  fallback_alloc+0x204/0x2e0
[  390.984222]  ____cache_alloc_node+0x1c7/0x1e0
[  390.988722]  kmem_cache_alloc_node+0xe3/0x730
[  390.993221]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.997467]  __alloc_skb+0x119/0x770
[  391.001183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.006467]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.010893]  ? lock_downgrade+0x900/0x900
[  391.015051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.020588]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.026046]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.031496]  ? addrconf_rs_timer+0x690/0x690
[  391.035922]  ndisc_alloc_skb+0x144/0x340
[  391.039989]  ndisc_send_rs+0x331/0x6e0
[  391.043887]  addrconf_rs_timer+0x314/0x690
[  391.048131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.052377]  call_timer_fn+0x272/0x920
[  391.056291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.060534]  ? process_timeout+0x40/0x40
[  391.064604]  ? __run_timers+0x7da/0xc70
[  391.068583]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.073091]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.077588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.081822]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.086434]  ? trace_hardirqs_on+0xbd/0x310
[  391.090761]  ? kasan_check_read+0x11/0x20
[  391.094908]  ? __run_timers+0x7da/0xc70
[  391.098890]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.103999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.108236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.112468]  __run_timers+0x7e5/0xc70
[  391.116283]  ? timer_fixup_init+0x70/0x70
[  391.120433]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.124930]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.129444]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.134030]  ? trace_hardirqs_on+0xbd/0x310
[  391.138350]  ? kasan_check_read+0x11/0x20
[  391.142501]  ? finish_task_switch+0x1f4/0x910
[  391.147010]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.152112]  ? compat_start_thread+0x80/0x80
[  391.156542]  ? pvclock_read_flags+0x160/0x160
[  391.161036]  ? __switch_to_asm+0x34/0x70
[  391.165098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.170634]  ? check_preemption_disabled+0x48/0x280
[  391.175662]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  391.181201]  ? rcu_pm_notify+0xc0/0xc0
[  391.185094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.190635]  ? check_preemption_disabled+0x48/0x280
[  391.195658]  run_timer_softirq+0x52/0xb0
[  391.199724]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.204747]  __do_softirq+0x308/0xb7e
[  391.208582]  ? retint_kernel+0x2d/0x2d
[  391.212479]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.217584]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.223045]  ? retint_kernel+0x2d/0x2d
[  391.226942]  ? schedule+0x108/0x460
[  391.230582]  ? trace_hardirqs_off+0xb8/0x310
[  391.235038]  ? smpboot_thread_fn+0x68b/0xa00
[  391.239462]  ? trace_hardirqs_on+0x310/0x310
[  391.243876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.249425]  ? check_preemption_disabled+0x48/0x280
[  391.254447]  ? takeover_tasklets+0xa90/0xa90
[  391.258871]  run_ksoftirqd+0x5e/0x100
[  391.262696]  smpboot_thread_fn+0x68b/0xa00
[  391.266976]  ? sort_range+0x30/0x30
[  391.270599]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.275706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.281245]  ? __kthread_parkme+0xfb/0x1a0
[  391.285490]  ? sort_range+0x30/0x30
[  391.289119]  kthread+0x35a/0x440
[  391.292489]  ? kthread_stop+0x900/0x900
[  391.296468]  ret_from_fork+0x3a/0x50
[  391.300201] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  391.300206] warn_alloc_show_mem: 1 callbacks suppressed
[  391.300214] Mem-Info:
[  391.307571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.312941] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  391.312941]  active_file:133 inactive_file:117 isolated_file:0
[  391.312941]  unevictable:0 dirty:3 writeback:0 unstable:0
[  391.312941]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  391.312941]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  391.312941]  free:13727 free_pcp:164 free_cma:0
[  391.315307] Call Trace:
[  391.324696] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  391.357883]  <IRQ>
[  391.360453] 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
[  391.388216]  dump_stack+0x244/0x39d
[  391.390342] lowmem_reserve[]: 0 2818 6321 6321
[  391.416447]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.420050] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  391.424626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.429789] lowmem_reserve[]: 0 0 3503 3503
[  391.457370]  warn_alloc.cold.116+0xb7/0x1bd
[  391.462881] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  391.467223]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.471534] lowmem_reserve[]: 0 0 0 0
[  391.500764]  ? lock_downgrade+0x900/0x900
[  391.505586] 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
[  391.509386]  ? trace_hardirqs_off+0xb8/0x310
[  391.513514] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  391.527035]  ? trace_hardirqs_off+0xb8/0x310
[  391.531415] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  391.546779]  __alloc_pages_slowpath+0x2651/0x2de0
[  391.551163] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  391.564705]  ? warn_alloc+0x120/0x120
[  391.569510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  391.578330]  ? print_usage_bug+0xc0/0xc0
[  391.582105] 2220 total pagecache pages
[  391.590669]  ? warn_alloc+0x120/0x120
[  391.594713] 0 pages in swap cache
[  391.598625]  ? warn_alloc+0x120/0x120
[  391.602411] Swap cache stats: add 0, delete 0, find 0/0
[  391.605874]  ? print_usage_bug+0xc0/0xc0
[  391.609647] Free swap  = 0kB
[  391.615035]  ? kvm_clock_read+0x18/0x30
[  391.619072] Total swap = 0kB
[  391.622087]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.626035] 1965979 pages RAM
[  391.629050]  ? print_usage_bug+0xc0/0xc0
[  391.634044] 0 pages HighMem/MovableOnly
[  391.637141]  ? __lock_acquire+0x62f/0x4c20
[  391.641179] 342854 pages reserved
[  391.645163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.649375] 0 pages cma reserved
[  391.652828]  ? should_fail+0x22d/0xd01
[  391.658433] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.661696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.661715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.661732]  ? __lock_acquire+0x62f/0x4c20
[  391.666168] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.672088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.672107]  ? __lock_acquire+0x62f/0x4c20
[  391.677517] ksoftirqd/1 cpuset=/ mems_allowed=0
[  391.682607]  ? should_fail+0x22d/0xd01
[  391.682625]  ? rcu_irq_exit+0x1a2/0x390
[  391.682650]  ? mark_held_locks+0x130/0x130
[  391.723355]  ? mark_held_locks+0x130/0x130
[  391.727609]  ? mark_held_locks+0xc7/0x130
[  391.731770]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  391.736830]  ? zap_class+0x640/0x640
[  391.740561]  ? print_usage_bug+0xc0/0xc0
[  391.744629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.750167]  ? check_preemption_disabled+0x48/0x280
[  391.755198]  ? __lock_is_held+0xb5/0x140
[  391.759281]  __alloc_pages_nodemask+0xad8/0xea0
[  391.763950]  ? zap_class+0x640/0x640
[  391.767670]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  391.772697]  ? find_held_lock+0x36/0x1c0
[  391.776784]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.781455]  ? lock_downgrade+0x900/0x900
[  391.785616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.791161]  cache_grow_begin+0xa5/0x8c0
[  391.795222]  ? do_raw_spin_unlock+0xa7/0x330
[  391.799637]  fallback_alloc+0x204/0x2e0
[  391.803619]  ____cache_alloc_node+0x1c7/0x1e0
[  391.808138]  kmem_cache_alloc_node+0xe3/0x730
[  391.812633]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.816893]  __alloc_skb+0x119/0x770
[  391.820607]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.825888]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.830309]  ? lock_downgrade+0x900/0x900
[  391.834465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.840007]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.845464]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.850916]  ? addrconf_rs_timer+0x690/0x690
[  391.855338]  ndisc_alloc_skb+0x144/0x340
[  391.859418]  ndisc_send_rs+0x331/0x6e0
[  391.863314]  addrconf_rs_timer+0x314/0x690
[  391.867558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.871801]  call_timer_fn+0x272/0x920
[  391.875684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.879942]  ? process_timeout+0x40/0x40
[  391.884008]  ? __run_timers+0x7da/0xc70
[  391.887983]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.892478]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.896970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.901218]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.905799]  ? trace_hardirqs_on+0xbd/0x310
[  391.910152]  ? kasan_check_read+0x11/0x20
[  391.914313]  ? __run_timers+0x7da/0xc70
[  391.918285]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.923406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.927647]  __run_timers+0x7e5/0xc70
[  391.931471]  ? timer_fixup_init+0x70/0x70
[  391.935618]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.940633]  ? zap_class+0x640/0x640
[  391.944352]  ? enqueue_hrtimer+0x1a5/0x560
[  391.948591]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.953788]  ? find_held_lock+0x36/0x1c0
[  391.957854]  ? zap_class+0x640/0x640
[  391.961572]  ? pvclock_read_flags+0x160/0x160
[  391.966074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.971617]  ? check_preemption_disabled+0x48/0x280
[  391.976658]  ? __lock_is_held+0xb5/0x140
[  391.980720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.986259]  ? check_preemption_disabled+0x48/0x280
[  391.991279]  run_timer_softirq+0x52/0xb0
[  391.995340]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.000372]  __do_softirq+0x308/0xb7e
[  392.004205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.008719]  ? lock_downgrade+0x900/0x900
[  392.012872]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.017982]  ? pvclock_read_flags+0x160/0x160
[  392.022483]  ? lapic_next_event+0x5a/0x90
[  392.026635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.032180]  ? kvm_clock_read+0x18/0x30
[  392.036151]  ? kvm_sched_clock_read+0x9/0x20
[  392.040577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.046113]  ? check_preemption_disabled+0x48/0x280
[  392.051137]  irq_exit+0x17f/0x1c0
[  392.054607]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.059450]  ? smp_reschedule_interrupt+0x109/0x650
[  392.064466]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.070355]  ? interrupt_entry+0xb5/0xc0
[  392.074437]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.079453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.084485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.089340]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.094405]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.099447]  ? task_prio+0x50/0x50
[  392.102989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.108558]  ? check_preemption_disabled+0x48/0x280
[  392.113599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.118466]  apic_timer_interrupt+0xf/0x20
[  392.122698]  </IRQ>
[  392.124952] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.129881] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  392.148792] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  392.156516] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.163800] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  392.171065] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  392.178331] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.185622] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  392.192924]  skb_clone+0x1bb/0x500
[  392.196467]  ? skb_split+0x11e0/0x11e0
[  392.200359]  ? preempt_notifier_register+0x200/0x200
[  392.205471]  ? __switch_to_asm+0x34/0x70
[  392.209560]  ? __switch_to_asm+0x34/0x70
[  392.213620]  ? __switch_to_asm+0x40/0x70
[  392.217682]  ? __switch_to_asm+0x34/0x70
[  392.221739]  ? __switch_to_asm+0x40/0x70
[  392.225803]  ? __switch_to_asm+0x40/0x70
[  392.229862]  ? __switch_to_asm+0x34/0x70
[  392.233923]  ? __switch_to_asm+0x34/0x70
[  392.237988]  ? __switch_to_asm+0x40/0x70
[  392.242050]  ? __switch_to_asm+0x34/0x70
[  392.246114]  bpf_clone_redirect+0xb9/0x490
[  392.250356]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  392.255383]  ? __sched_text_start+0x8/0x8
[  392.259547]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.264313]  ? find_held_lock+0x36/0x1c0
[  392.268384]  ? lock_acquire+0x1ed/0x520
[  392.272373]  ? bpf_test_run+0x3ee/0x7a0
[  392.276363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.281911]  ? check_preemption_disabled+0x48/0x280
[  392.286933]  ? kasan_check_read+0x11/0x20
[  392.291084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.296360]  ? rcu_softirq_qs+0x20/0x20
[  392.300345]  ? preempt_schedule+0x4d/0x60
[  392.304495]  ? ___preempt_schedule+0x16/0x18
[  392.308913]  ? bpf_test_run+0x271/0x7a0
[  392.312900]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.317312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.322863]  ? bpf_test_init.isra.10+0x70/0x100
[  392.327565]  ? bpf_prog_test_run_skb+0x762/0xd60
[  392.332336]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.337191]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  392.342727]  ? fput+0x130/0x1a0
[  392.346014]  ? __bpf_prog_get+0x9b/0x290
[  392.350095]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.354958]  ? bpf_prog_test_run+0x130/0x1a0
[  392.359364]  ? __x64_sys_bpf+0x3d8/0x520
[  392.363434]  ? bpf_prog_get+0x20/0x20
[  392.367319]  ? do_syscall_64+0x1b9/0x820
[  392.371380]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  392.376764]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.381693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.386539]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.391557]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  392.396580]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.401606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.406462]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  392.411843] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  392.411911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.418775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.418784] Call Trace:
[  392.425374] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.434626]  dump_stack+0x244/0x39d
[  392.437190] syz-executor2 cpuset=syz2 mems_allowed=0
[  392.447668]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.461540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.467102]  warn_alloc.cold.116+0xb7/0x1bd
[  392.471428]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.476278]  ? lock_downgrade+0x900/0x900
[  392.480434]  ? trace_hardirqs_off+0xb8/0x310
[  392.484850]  ? trace_hardirqs_off+0xb8/0x310
[  392.489270]  __alloc_pages_slowpath+0x2651/0x2de0
[  392.494141]  ? warn_alloc+0x120/0x120
[  392.497949]  ? warn_alloc+0x120/0x120
[  392.501766]  ? __bfs+0xb0/0x780
[  392.505046]  ? warn_alloc+0x120/0x120
[  392.508862]  ? print_usage_bug+0xc0/0xc0
[  392.512927]  ? lockdep_on+0x50/0x50
[  392.516557]  ? print_bfs_bug+0x80/0x80
[  392.520454]  ? trace_hardirqs_off+0xb8/0x310
[  392.524883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.530426]  ? should_fail+0x22d/0xd01
[  392.534323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.539430]  ? __lock_acquire+0x62f/0x4c20
[  392.543674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.548778]  ? __lock_acquire+0x2aff/0x4c20
[  392.553113]  ? should_fail+0x22d/0xd01
[  392.556997]  ? print_usage_bug+0xc0/0xc0
[  392.561067]  ? mark_held_locks+0x130/0x130
[  392.565304]  ? mark_held_locks+0x130/0x130
[  392.569558]  ? zap_class+0x640/0x640
[  392.573301]  ? ret_from_fork+0x3a/0x50
[  392.577192]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  392.583079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.588635]  ? check_preemption_disabled+0x48/0x280
[  392.593660]  ? __lock_is_held+0xb5/0x140
[  392.597727]  __alloc_pages_nodemask+0xad8/0xea0
[  392.602406]  ? zap_class+0x640/0x640
[  392.606144]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  392.611171]  ? find_held_lock+0x36/0x1c0
[  392.615239]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.619907]  ? lock_downgrade+0x900/0x900
[  392.624074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.629616]  cache_grow_begin+0xa5/0x8c0
[  392.633682]  ? do_raw_spin_unlock+0xa7/0x330
[  392.638100]  fallback_alloc+0x204/0x2e0
[  392.642081]  ____cache_alloc_node+0x1c7/0x1e0
[  392.646582]  kmem_cache_alloc_node+0xe3/0x730
[  392.651079]  ? mark_held_locks+0xc7/0x130
[  392.655256]  __alloc_skb+0x119/0x770
[  392.659004]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.663427]  ? do_raw_spin_trylock+0x270/0x270
[  392.668013]  ? kmem_cache_alloc_trace+0x353/0x750
[  392.672860]  ? queue_work_on+0x12c/0x1e0
[  392.676944]  ? switchdev_port_obj_del+0xdc/0x440
[  392.681704]  ? switchdev_trans_item_enqueue+0x260/0x260
[  392.687066]  ? mod_timer+0x631/0x1560
[  392.690862]  ? wake_up_klogd+0x180/0x180
[  392.694931]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.699960]  __br_mdb_notify+0x4ff/0x15d0
[  392.704120]  ? __br_mdb_add+0x7f0/0x7f0
[  392.708096]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.713227]  ? zap_class+0x640/0x640
[  392.716958]  ? br_multicast_group_expired+0x96/0x610
[  392.722084]  br_mdb_notify+0x310/0x410
[  392.725970]  ? br_mdb_dump+0x27b0/0x27b0
[  392.730038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.735590]  br_multicast_group_expired+0x1bc/0x610
[  392.740611]  ? br_mdb_free+0x80/0x80
[  392.744340]  call_timer_fn+0x272/0x920
[  392.748245]  ? br_mdb_free+0x80/0x80
[  392.751957]  ? process_timeout+0x40/0x40
[  392.756028]  ? __run_timers+0x7da/0xc70
[  392.760005]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.764506]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.769000]  ? br_mdb_free+0x80/0x80
[  392.772717]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.777302]  ? trace_hardirqs_on+0xbd/0x310
[  392.781626]  ? kasan_check_read+0x11/0x20
[  392.785772]  ? __run_timers+0x7da/0xc70
[  392.789760]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.794866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.799104]  ? br_mdb_free+0x80/0x80
[  392.802819]  __run_timers+0x7e5/0xc70
[  392.806632]  ? timer_fixup_init+0x70/0x70
[  392.810783]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.815274]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.819771]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.824395]  ? trace_hardirqs_on+0xbd/0x310
[  392.828720]  ? kasan_check_read+0x11/0x20
[  392.832876]  ? finish_task_switch+0x1f4/0x910
[  392.837376]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.842488]  ? compat_start_thread+0x80/0x80
[  392.846937]  ? pvclock_read_flags+0x160/0x160
[  392.851445]  ? __switch_to_asm+0x34/0x70
[  392.855514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.861063]  ? check_preemption_disabled+0x48/0x280
[  392.866092]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  392.871635]  ? rcu_pm_notify+0xc0/0xc0
[  392.875527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.881070]  ? check_preemption_disabled+0x48/0x280
[  392.886092]  run_timer_softirq+0x52/0xb0
[  392.890156]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.895171]  __do_softirq+0x308/0xb7e
[  392.898974]  ? retint_kernel+0x2d/0x2d
[  392.902865]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.908018]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.913467]  ? retint_kernel+0x2d/0x2d
[  392.917360]  ? schedule+0x108/0x460
[  392.921005]  ? trace_hardirqs_off+0xb8/0x310
[  392.925420]  ? smpboot_thread_fn+0x68b/0xa00
[  392.929829]  ? trace_hardirqs_on+0x310/0x310
[  392.934242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.939784]  ? check_preemption_disabled+0x48/0x280
[  392.944807]  ? takeover_tasklets+0xa90/0xa90
[  392.949235]  run_ksoftirqd+0x5e/0x100
[  392.953034]  smpboot_thread_fn+0x68b/0xa00
[  392.957272]  ? sort_range+0x30/0x30
[  392.960920]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.966023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.971560]  ? __kthread_parkme+0xfb/0x1a0
[  392.975798]  ? sort_range+0x30/0x30
[  392.979424]  kthread+0x35a/0x440
[  392.982819]  ? kthread_stop+0x900/0x900
[  392.986823]  ret_from_fork+0x3a/0x50
[  392.990558] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  392.990576] warn_alloc_show_mem: 1 callbacks suppressed
[  392.990580] Mem-Info:
[  392.997918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.997927] Call Trace:
[  393.003301] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  393.003301]  active_file:133 inactive_file:117 isolated_file:0
[  393.003301]  unevictable:0 dirty:3 writeback:0 unstable:0
[  393.003301]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  393.003301]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  393.003301]  free:13727 free_pcp:164 free_cma:0
[  393.005675]  <IRQ>
[  393.015036] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  393.017614]  dump_stack+0x244/0x39d
[  393.050812] 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
[  393.052956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.080832] lowmem_reserve[]: 0 2818 6321 6321
[  393.084487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.110583] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  393.115787]  warn_alloc.cold.116+0xb7/0x1bd
[  393.120344] lowmem_reserve[]: 0 0 3503 3503
[  393.125880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.153458] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  393.157771]  ? lock_downgrade+0x900/0x900
[  393.162069] lowmem_reserve[]: 0 0 0 0
[  393.166910]  ? trace_hardirqs_off+0xb8/0x310
[  393.196124] 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
[  393.200269]  ? trace_hardirqs_off+0xb8/0x310
[  393.204042] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  393.208465]  __alloc_pages_slowpath+0x2651/0x2de0
[  393.221961] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  393.226380]  ? warn_alloc+0x120/0x120
[  393.241685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.246518]  ? print_usage_bug+0xc0/0xc0
[  393.260018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.263803]  ? warn_alloc+0x120/0x120
[  393.272619] 2220 total pagecache pages
[  393.276673]  ? warn_alloc+0x120/0x120
[  393.285231] 0 pages in swap cache
[  393.289014]  ? print_usage_bug+0xc0/0xc0
[  393.292882] Swap cache stats: add 0, delete 0, find 0/0
[  393.296673]  ? kvm_clock_read+0x18/0x30
[  393.300123] Free swap  = 0kB
[  393.304176]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.309515] Total swap = 0kB
[  393.313497]  ? print_usage_bug+0xc0/0xc0
[  393.316491] 1965979 pages RAM
[  393.321497]  ? __lock_acquire+0x62f/0x4c20
[  393.324490] 0 pages HighMem/MovableOnly
[  393.328562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.331642] 342854 pages reserved
[  393.335868]  ? should_fail+0x22d/0xd01
[  393.339814] 0 pages cma reserved
[  393.345357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.349463] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.352665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.356007] ksoftirqd/1 cpuset=/ mems_allowed=0
[  393.361281]  ? __lock_acquire+0x62f/0x4c20
[  393.385536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.390640]  ? __lock_acquire+0x62f/0x4c20
[  393.394875]  ? should_fail+0x22d/0xd01
[  393.398762]  ? rcu_irq_exit+0x1a2/0x390
[  393.402749]  ? mark_held_locks+0x130/0x130
[  393.406993]  ? mark_held_locks+0x130/0x130
[  393.411237]  ? mark_held_locks+0xc7/0x130
[  393.415406]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.420440]  ? zap_class+0x640/0x640
[  393.424172]  ? print_usage_bug+0xc0/0xc0
[  393.428253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.433792]  ? check_preemption_disabled+0x48/0x280
[  393.438819]  ? __lock_is_held+0xb5/0x140
[  393.442916]  __alloc_pages_nodemask+0xad8/0xea0
[  393.447627]  ? zap_class+0x640/0x640
[  393.451343]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  393.456371]  ? find_held_lock+0x36/0x1c0
[  393.460459]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.465130]  ? lock_downgrade+0x900/0x900
[  393.469288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.474848]  cache_grow_begin+0xa5/0x8c0
[  393.478920]  ? do_raw_spin_unlock+0xa7/0x330
[  393.483335]  fallback_alloc+0x204/0x2e0
[  393.487315]  ____cache_alloc_node+0x1c7/0x1e0
[  393.491819]  kmem_cache_alloc_node+0xe3/0x730
[  393.496311]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.500555]  __alloc_skb+0x119/0x770
[  393.504270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.509551]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.513958]  ? lock_downgrade+0x900/0x900
[  393.518113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.523655]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.529108]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.534559]  ? addrconf_rs_timer+0x690/0x690
[  393.538982]  ndisc_alloc_skb+0x144/0x340
[  393.543050]  ndisc_send_rs+0x331/0x6e0
[  393.546943]  addrconf_rs_timer+0x314/0x690
[  393.551187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.555443]  call_timer_fn+0x272/0x920
[  393.559334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.563574]  ? process_timeout+0x40/0x40
[  393.567687]  ? __run_timers+0x7da/0xc70
[  393.571662]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.576159]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.580655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.584905]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.589505]  ? trace_hardirqs_on+0xbd/0x310
[  393.593839]  ? kasan_check_read+0x11/0x20
[  393.598000]  ? __run_timers+0x7da/0xc70
[  393.601971]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.607079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.611320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.615556]  __run_timers+0x7e5/0xc70
[  393.619364]  ? timer_fixup_init+0x70/0x70
[  393.623521]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.628557]  ? zap_class+0x640/0x640
[  393.632289]  ? enqueue_hrtimer+0x1a5/0x560
[  393.636524]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.641718]  ? find_held_lock+0x36/0x1c0
[  393.645784]  ? zap_class+0x640/0x640
[  393.649505]  ? pvclock_read_flags+0x160/0x160
[  393.654004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.659544]  ? check_preemption_disabled+0x48/0x280
[  393.664584]  ? __lock_is_held+0xb5/0x140
[  393.668648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.674189]  ? check_preemption_disabled+0x48/0x280
[  393.679212]  run_timer_softirq+0x52/0xb0
[  393.683276]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.688294]  __do_softirq+0x308/0xb7e
[  393.692101]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.696598]  ? lock_downgrade+0x900/0x900
[  393.700755]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.705865]  ? pvclock_read_flags+0x160/0x160
[  393.710376]  ? lapic_next_event+0x5a/0x90
[  393.714537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.720093]  ? kvm_clock_read+0x18/0x30
[  393.724071]  ? kvm_sched_clock_read+0x9/0x20
[  393.728484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.734020]  ? check_preemption_disabled+0x48/0x280
[  393.739063]  irq_exit+0x17f/0x1c0
[  393.742529]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.747366]  ? smp_reschedule_interrupt+0x109/0x650
[  393.752401]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.758290]  ? interrupt_entry+0xb5/0xc0
[  393.762354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.767379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.772447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.777297]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.782311]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.787343]  ? task_prio+0x50/0x50
[  393.790905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.796446]  ? check_preemption_disabled+0x48/0x280
[  393.801468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.806335]  apic_timer_interrupt+0xf/0x20
[  393.810568]  </IRQ>
[  393.812812] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  393.817761] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  393.836672] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  393.844403] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  393.851675] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  393.858942] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  393.866206] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  393.873471] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  393.880792]  skb_clone+0x1bb/0x500
[  393.884367]  ? skb_split+0x11e0/0x11e0
[  393.888264]  ? preempt_notifier_register+0x200/0x200
[  393.893366]  ? __switch_to_asm+0x34/0x70
[  393.897438]  ? __switch_to_asm+0x34/0x70
[  393.901497]  ? __switch_to_asm+0x40/0x70
[  393.905555]  ? __switch_to_asm+0x34/0x70
[  393.909616]  ? __switch_to_asm+0x40/0x70
[  393.913691]  ? __switch_to_asm+0x40/0x70
[  393.917746]  ? __switch_to_asm+0x34/0x70
[  393.921818]  ? __switch_to_asm+0x34/0x70
[  393.925891]  ? __switch_to_asm+0x40/0x70
[  393.929984]  ? __switch_to_asm+0x34/0x70
[  393.934052]  bpf_clone_redirect+0xb9/0x490
[  393.938297]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  393.943318]  ? __sched_text_start+0x8/0x8
[  393.947467]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  393.952231]  ? find_held_lock+0x36/0x1c0
[  393.956299]  ? lock_acquire+0x1ed/0x520
[  393.960276]  ? bpf_test_run+0x3ee/0x7a0
[  393.964255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.969799]  ? check_preemption_disabled+0x48/0x280
[  393.974824]  ? kasan_check_read+0x11/0x20
[  393.978968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.984243]  ? rcu_softirq_qs+0x20/0x20
[  393.988217]  ? preempt_schedule+0x4d/0x60
[  393.992368]  ? ___preempt_schedule+0x16/0x18
[  393.996810]  ? bpf_test_run+0x271/0x7a0
[  394.000815]  ? netlink_diag_dump+0x2a0/0x2a0
[  394.005232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.010784]  ? bpf_test_init.isra.10+0x70/0x100
[  394.015458]  ? bpf_prog_test_run_skb+0x762/0xd60
[  394.020223]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.025089]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.030659]  ? fput+0x130/0x1a0
[  394.033944]  ? __bpf_prog_get+0x9b/0x290
[  394.038009]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.042854]  ? bpf_prog_test_run+0x130/0x1a0
[  394.047267]  ? __x64_sys_bpf+0x3d8/0x520
[  394.051328]  ? bpf_prog_get+0x20/0x20
[  394.055149]  ? do_syscall_64+0x1b9/0x820
[  394.059222]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.064593]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.069690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.074550]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.079567]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.084586]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.089610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.094513]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.099916] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  394.099981] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.106842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.106850] Call Trace:
[  394.113453] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.122687]  dump_stack+0x244/0x39d
[  394.125264] syz-executor2 cpuset=syz2 mems_allowed=0
[  394.135741]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.149617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.155166]  warn_alloc.cold.116+0xb7/0x1bd
[  394.159493]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.164348]  ? lock_downgrade+0x900/0x900
[  394.168502]  ? trace_hardirqs_off+0xb8/0x310
[  394.172922]  ? trace_hardirqs_off+0xb8/0x310
[  394.177342]  __alloc_pages_slowpath+0x2651/0x2de0
[  394.182226]  ? warn_alloc+0x120/0x120
[  394.186032]  ? warn_alloc+0x120/0x120
[  394.189833]  ? __bfs+0xb0/0x780
[  394.193646]  ? warn_alloc+0x120/0x120
[  394.197449]  ? print_usage_bug+0xc0/0xc0
[  394.201508]  ? lockdep_on+0x50/0x50
[  394.205155]  ? print_usage_bug+0xc0/0xc0
[  394.209220]  ? check_usage+0x1aa/0x790
[  394.213110]  ? trace_hardirqs_off+0xb8/0x310
[  394.217521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.223082]  ? should_fail+0x22d/0xd01
[  394.226980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.232085]  ? __lock_acquire+0x62f/0x4c20
[  394.236366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.241474]  ? __lock_acquire+0x62f/0x4c20
[  394.245706]  ? should_fail+0x22d/0xd01
[  394.249608]  ? mark_held_locks+0x130/0x130
[  394.253850]  ? mark_held_locks+0x130/0x130
[  394.258095]  ? zap_class+0x640/0x640
[  394.261807]  ? ret_from_fork+0x3a/0x50
[  394.265698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.271248]  ? check_preemption_disabled+0x48/0x280
[  394.276276]  ? __lock_is_held+0xb5/0x140
[  394.280358]  __alloc_pages_nodemask+0xad8/0xea0
[  394.285036]  ? zap_class+0x640/0x640
[  394.288758]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  394.293787]  ? find_held_lock+0x36/0x1c0
[  394.297871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.302544]  ? lock_downgrade+0x900/0x900
[  394.306701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.312272]  cache_grow_begin+0xa5/0x8c0
[  394.316345]  ? do_raw_spin_unlock+0xa7/0x330
[  394.320775]  fallback_alloc+0x204/0x2e0
[  394.324755]  ____cache_alloc_node+0x1c7/0x1e0
[  394.329271]  kmem_cache_alloc_node+0xe3/0x730
[  394.333769]  ? mark_held_locks+0xc7/0x130
[  394.337950]  __alloc_skb+0x119/0x770
[  394.341674]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.346082]  ? do_raw_spin_trylock+0x270/0x270
[  394.350666]  ? kmem_cache_alloc_trace+0x353/0x750
[  394.355529]  ? queue_work_on+0x12c/0x1e0
[  394.359601]  ? switchdev_port_obj_del+0xdc/0x440
[  394.364362]  ? switchdev_trans_item_enqueue+0x260/0x260
[  394.369738]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.374763]  __br_mdb_notify+0x4ff/0x15d0
[  394.378926]  ? __br_mdb_add+0x7f0/0x7f0
[  394.382914]  ? zap_class+0x640/0x640
[  394.386655]  ? br_multicast_group_expired+0x96/0x610
[  394.391773]  ? lock_downgrade+0x900/0x900
[  394.395934]  br_mdb_notify+0x310/0x410
[  394.399826]  ? br_mdb_dump+0x27b0/0x27b0
[  394.403895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.409454]  br_multicast_group_expired+0x1bc/0x610
[  394.414476]  ? br_mdb_free+0x80/0x80
[  394.418199]  call_timer_fn+0x272/0x920
[  394.422085]  ? br_mdb_free+0x80/0x80
[  394.425799]  ? process_timeout+0x40/0x40
[  394.429867]  ? __run_timers+0x7da/0xc70
[  394.433840]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.438334]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.442830]  ? br_mdb_free+0x80/0x80
[  394.446558]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.451141]  ? trace_hardirqs_on+0xbd/0x310
[  394.455462]  ? kasan_check_read+0x11/0x20
[  394.459610]  ? __run_timers+0x7da/0xc70
[  394.463585]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.468693]  ? br_mdb_free+0x80/0x80
[  394.472420]  ? br_mdb_free+0x80/0x80
[  394.476138]  __run_timers+0x7e5/0xc70
[  394.479957]  ? timer_fixup_init+0x70/0x70
[  394.484104]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.488599]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.493094]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.497677]  ? trace_hardirqs_on+0xbd/0x310
[  394.501997]  ? kasan_check_read+0x11/0x20
[  394.506146]  ? finish_task_switch+0x1f4/0x910
[  394.510648]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.515752]  ? compat_start_thread+0x80/0x80
[  394.520185]  ? pvclock_read_flags+0x160/0x160
[  394.524677]  ? __switch_to_asm+0x34/0x70
[  394.528741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.534279]  ? check_preemption_disabled+0x48/0x280
[  394.539304]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  394.544845]  ? rcu_pm_notify+0xc0/0xc0
[  394.548733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.554291]  ? check_preemption_disabled+0x48/0x280
[  394.559312]  run_timer_softirq+0x52/0xb0
[  394.563373]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.568405]  __do_softirq+0x308/0xb7e
[  394.572230]  ? retint_kernel+0x2d/0x2d
[  394.576118]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.581222]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.586688]  ? retint_kernel+0x2d/0x2d
[  394.590609]  ? schedule+0x108/0x460
[  394.594250]  ? trace_hardirqs_off+0xb8/0x310
[  394.598690]  ? smpboot_thread_fn+0x68b/0xa00
[  394.603102]  ? trace_hardirqs_on+0x310/0x310
[  394.607511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.613050]  ? check_preemption_disabled+0x48/0x280
[  394.618087]  ? takeover_tasklets+0xa90/0xa90
[  394.622511]  run_ksoftirqd+0x5e/0x100
[  394.626310]  smpboot_thread_fn+0x68b/0xa00
[  394.630568]  ? sort_range+0x30/0x30
[  394.634196]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.639299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.644840]  ? __kthread_parkme+0xfb/0x1a0
[  394.649079]  ? sort_range+0x30/0x30
[  394.652706]  kthread+0x35a/0x440
[  394.656092]  ? kthread_stop+0x900/0x900
[  394.660086]  ret_from_fork+0x3a/0x50
[  394.663831] warn_alloc_show_mem: 1 callbacks suppressed
[  394.663844] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  394.663846] Mem-Info:
[  394.663893] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  394.663893]  active_file:133 inactive_file:117 isolated_file:0
[  394.663893]  unevictable:0 dirty:3 writeback:0 unstable:0
[  394.663893]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  394.663893]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  394.663893]  free:13727 free_pcp:164 free_cma:0
[  394.669230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.676597] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  394.678996] Call Trace:
[  394.712208] 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
[  394.721550]  <IRQ>
[  394.749305] lowmem_reserve[]: 0 2818 6321 6321
[  394.751899]  dump_stack+0x244/0x39d
[  394.777990] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  394.780155]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.784707] lowmem_reserve[]: 0 0 3503 3503
[  394.788344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.815904] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  394.821087]  warn_alloc.cold.116+0xb7/0x1bd
[  394.825381] lowmem_reserve[]: 0 0 0 0
[  394.830930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.860140] 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
[  394.864458]  ? lock_downgrade+0x900/0x900
[  394.868237] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  394.873074]  ? trace_hardirqs_off+0xb8/0x310
[  394.886573] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  394.890714]  ? trace_hardirqs_off+0xb8/0x310
[  394.906043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.910448]  __alloc_pages_slowpath+0x2651/0x2de0
[  394.923950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.928379]  ? warn_alloc+0x120/0x120
[  394.937171] 2220 total pagecache pages
[  394.942009]  ? print_usage_bug+0xc0/0xc0
[  394.950565] 0 pages in swap cache
[  394.954350]  ? warn_alloc+0x120/0x120
[  394.958216] Swap cache stats: add 0, delete 0, find 0/0
[  394.962263]  ? warn_alloc+0x120/0x120
[  394.965693] Free swap  = 0kB
[  394.969488]  ? print_usage_bug+0xc0/0xc0
[  394.974825] Total swap = 0kB
[  394.978622]  ? kvm_clock_read+0x18/0x30
[  394.981615] 1965979 pages RAM
[  394.985667]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.988660] 0 pages HighMem/MovableOnly
[  394.992627]  ? print_usage_bug+0xc0/0xc0
[  394.995707] 342854 pages reserved
[  395.000715]  ? __lock_acquire+0x62f/0x4c20
[  395.004668] 0 pages cma reserved
[  395.008721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.012317] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.016380]  ? should_fail+0x22d/0xd01
[  395.019727] ksoftirqd/1 cpuset=/ mems_allowed=0
[  395.025254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.049367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.054478]  ? __lock_acquire+0x62f/0x4c20
[  395.058720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.064277]  ? __lock_acquire+0x62f/0x4c20
[  395.068524]  ? should_fail+0x22d/0xd01
[  395.072420]  ? rcu_irq_exit+0x1a2/0x390
[  395.076420]  ? mark_held_locks+0x130/0x130
[  395.080662]  ? mark_held_locks+0x130/0x130
[  395.084906]  ? mark_held_locks+0xc7/0x130
[  395.089058]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  395.094076]  ? zap_class+0x640/0x640
[  395.097804]  ? print_usage_bug+0xc0/0xc0
[  395.101902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.107447]  ? check_preemption_disabled+0x48/0x280
[  395.112488]  ? __lock_is_held+0xb5/0x140
[  395.116556]  __alloc_pages_nodemask+0xad8/0xea0
[  395.121223]  ? zap_class+0x640/0x640
[  395.124947]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.129981]  ? find_held_lock+0x36/0x1c0
[  395.134056]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.138723]  ? lock_downgrade+0x900/0x900
[  395.142878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.148441]  cache_grow_begin+0xa5/0x8c0
[  395.152507]  ? do_raw_spin_unlock+0xa7/0x330
[  395.156924]  fallback_alloc+0x204/0x2e0
[  395.160919]  ____cache_alloc_node+0x1c7/0x1e0
[  395.165433]  kmem_cache_alloc_node+0xe3/0x730
[  395.169932]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.174191]  __alloc_skb+0x119/0x770
[  395.177899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.183177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.187588]  ? lock_downgrade+0x900/0x900
[  395.191754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.197290]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.202749]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.208201]  ? addrconf_rs_timer+0x690/0x690
[  395.212628]  ndisc_alloc_skb+0x144/0x340
[  395.216696]  ndisc_send_rs+0x331/0x6e0
[  395.220589]  addrconf_rs_timer+0x314/0x690
[  395.224833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.229080]  call_timer_fn+0x272/0x920
[  395.232970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.237209]  ? process_timeout+0x40/0x40
[  395.241282]  ? __run_timers+0x7da/0xc70
[  395.245257]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.249749]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.254245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.258480]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.263102]  ? trace_hardirqs_on+0xbd/0x310
[  395.267425]  ? kasan_check_read+0x11/0x20
[  395.271602]  ? __run_timers+0x7da/0xc70
[  395.275577]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.280683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.284922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.289157]  __run_timers+0x7e5/0xc70
[  395.292967]  ? timer_fixup_init+0x70/0x70
[  395.297118]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.302133]  ? zap_class+0x640/0x640
[  395.305851]  ? enqueue_hrtimer+0x1a5/0x560
[  395.310089]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.315285]  ? find_held_lock+0x36/0x1c0
[  395.319352]  ? zap_class+0x640/0x640
[  395.323092]  ? pvclock_read_flags+0x160/0x160
[  395.327603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.333158]  ? check_preemption_disabled+0x48/0x280
[  395.338186]  ? __lock_is_held+0xb5/0x140
[  395.342259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.347829]  ? check_preemption_disabled+0x48/0x280
[  395.352855]  run_timer_softirq+0x52/0xb0
[  395.356926]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.361972]  __do_softirq+0x308/0xb7e
[  395.365780]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.370275]  ? lock_downgrade+0x900/0x900
[  395.374433]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.379549]  ? pvclock_read_flags+0x160/0x160
[  395.384058]  ? lapic_next_event+0x5a/0x90
[  395.388226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.393769]  ? kvm_clock_read+0x18/0x30
[  395.397745]  ? kvm_sched_clock_read+0x9/0x20
[  395.402168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.407709]  ? check_preemption_disabled+0x48/0x280
[  395.412734]  irq_exit+0x17f/0x1c0
[  395.416188]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.421043]  ? smp_reschedule_interrupt+0x109/0x650
[  395.426074]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.431963]  ? interrupt_entry+0xb5/0xc0
[  395.436026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.441040]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.446058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.450901]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.455921]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.460940]  ? task_prio+0x50/0x50
[  395.464485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.470026]  ? check_preemption_disabled+0x48/0x280
[  395.475095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.479949]  apic_timer_interrupt+0xf/0x20
[  395.484175]  </IRQ>
[  395.486425] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  395.491373] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  395.510284] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  395.517992] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  395.525258] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  395.532523] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  395.539793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  395.547058] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  395.554356]  skb_clone+0x1bb/0x500
[  395.557903]  ? skb_split+0x11e0/0x11e0
[  395.561825]  ? preempt_notifier_register+0x200/0x200
[  395.566922]  ? __switch_to_asm+0x34/0x70
[  395.570978]  ? __switch_to_asm+0x34/0x70
[  395.575037]  ? __switch_to_asm+0x40/0x70
[  395.579109]  ? __switch_to_asm+0x34/0x70
[  395.583198]  ? __switch_to_asm+0x40/0x70
[  395.587262]  ? __switch_to_asm+0x40/0x70
[  395.591323]  ? __switch_to_asm+0x34/0x70
[  395.595381]  ? __switch_to_asm+0x34/0x70
[  395.599452]  ? __switch_to_asm+0x40/0x70
[  395.603514]  ? __switch_to_asm+0x34/0x70
[  395.607586]  bpf_clone_redirect+0xb9/0x490
[  395.611828]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  395.616864]  ? __sched_text_start+0x8/0x8
[  395.621014]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  395.625799]  ? find_held_lock+0x36/0x1c0
[  395.629866]  ? lock_acquire+0x1ed/0x520
[  395.633843]  ? bpf_test_run+0x3ee/0x7a0
[  395.637820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.643371]  ? check_preemption_disabled+0x48/0x280
[  395.648422]  ? kasan_check_read+0x11/0x20
[  395.652573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.657852]  ? rcu_softirq_qs+0x20/0x20
[  395.661828]  ? preempt_schedule+0x4d/0x60
[  395.665975]  ? ___preempt_schedule+0x16/0x18
[  395.670403]  ? bpf_test_run+0x271/0x7a0
[  395.674407]  ? netlink_diag_dump+0x2a0/0x2a0
[  395.678831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.684369]  ? bpf_test_init.isra.10+0x70/0x100
[  395.689058]  ? bpf_prog_test_run_skb+0x762/0xd60
[  395.693827]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.698677]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  395.704229]  ? fput+0x130/0x1a0
[  395.707515]  ? __bpf_prog_get+0x9b/0x290
[  395.711584]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.716433]  ? bpf_prog_test_run+0x130/0x1a0
[  395.720845]  ? __x64_sys_bpf+0x3d8/0x520
[  395.724922]  ? bpf_prog_get+0x20/0x20
[  395.728747]  ? do_syscall_64+0x1b9/0x820
[  395.732813]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  395.738177]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.743123]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.747967]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.753019]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  395.758053]  ? prepare_exit_to_usermode+0x291/0x3b0
[  395.763080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.767926]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  395.773308] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  395.773376] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.780236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.780241] Call Trace:
[  395.780260]  dump_stack+0x244/0x39d
[  395.780279]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.780296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.786819] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.796120]  warn_alloc.cold.116+0xb7/0x1bd
[  395.798678] syz-executor2 cpuset=syz2 mems_allowed=0
[  395.802296]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.837724]  ? lock_downgrade+0x900/0x900
[  395.841882]  ? trace_hardirqs_off+0xb8/0x310
[  395.846307]  ? trace_hardirqs_off+0xb8/0x310
[  395.850723]  __alloc_pages_slowpath+0x2651/0x2de0
[  395.855597]  ? warn_alloc+0x120/0x120
[  395.859413]  ? warn_alloc+0x120/0x120
[  395.863219]  ? warn_alloc+0x120/0x120
[  395.867046]  ? print_usage_bug+0xc0/0xc0
[  395.871137]  ? print_usage_bug+0xc0/0xc0
[  395.875202]  ? check_preemption_disabled+0x48/0x280
[  395.880226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.885766]  ? should_fail+0x22d/0xd01
[  395.889659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.894765]  ? __lock_acquire+0x62f/0x4c20
[  395.899006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.904112]  ? __lock_acquire+0x62f/0x4c20
[  395.908345]  ? should_fail+0x22d/0xd01
[  395.912240]  ? mark_held_locks+0x130/0x130
[  395.916481]  ? mark_held_locks+0x130/0x130
[  395.920722]  ? lock_downgrade+0x900/0x900
[  395.924872]  ? zap_class+0x640/0x640
[  395.928587]  ? print_usage_bug+0xc0/0xc0
[  395.932652]  ? trace_hardirqs_off+0xb8/0x310
[  395.937080]  ? kasan_check_read+0x11/0x20
[  395.941256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.946794]  ? check_preemption_disabled+0x48/0x280
[  395.951880]  ? __lock_is_held+0xb5/0x140
[  395.955954]  __alloc_pages_nodemask+0xad8/0xea0
[  395.960627]  ? zap_class+0x640/0x640
[  395.964345]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.969372]  ? find_held_lock+0x36/0x1c0
[  395.973477]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.978150]  ? lock_downgrade+0x900/0x900
[  395.982310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.987856]  cache_grow_begin+0xa5/0x8c0
[  395.991921]  ? do_raw_spin_unlock+0xa7/0x330
[  395.996355]  fallback_alloc+0x204/0x2e0
[  396.000358]  ____cache_alloc_node+0x1c7/0x1e0
[  396.004870]  kmem_cache_alloc_node+0xe3/0x730
[  396.009370]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.013626]  __alloc_skb+0x119/0x770
[  396.017357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.022642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.027052]  ? lock_downgrade+0x900/0x900
[  396.031225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.036764]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.042218]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.047671]  ? addrconf_rs_timer+0x690/0x690
[  396.052093]  ndisc_alloc_skb+0x144/0x340
[  396.056160]  ndisc_send_rs+0x331/0x6e0
[  396.060144]  addrconf_rs_timer+0x314/0x690
[  396.064385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.068641]  call_timer_fn+0x272/0x920
[  396.072529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.076769]  ? process_timeout+0x40/0x40
[  396.080842]  ? __run_timers+0x7da/0xc70
[  396.084816]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.089310]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.093806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.098042]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.102644]  ? trace_hardirqs_on+0xbd/0x310
[  396.106966]  ? kasan_check_read+0x11/0x20
[  396.111128]  ? __run_timers+0x7da/0xc70
[  396.115121]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.120235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.124474]  __run_timers+0x7e5/0xc70
[  396.128288]  ? timer_fixup_init+0x70/0x70
[  396.132437]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.136938]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.141452]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.146037]  ? trace_hardirqs_on+0xbd/0x310
[  396.150356]  ? kasan_check_read+0x11/0x20
[  396.154512]  ? finish_task_switch+0x1f4/0x910
[  396.159010]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.164113]  ? compat_start_thread+0x80/0x80
[  396.168556]  ? pvclock_read_flags+0x160/0x160
[  396.173068]  ? __switch_to_asm+0x34/0x70
[  396.177130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.182667]  ? check_preemption_disabled+0x48/0x280
[  396.187696]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  396.193740]  ? rcu_pm_notify+0xc0/0xc0
[  396.197633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.203175]  ? check_preemption_disabled+0x48/0x280
[  396.208239]  run_timer_softirq+0x52/0xb0
[  396.212299]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.217314]  __do_softirq+0x308/0xb7e
[  396.221118]  ? retint_kernel+0x2d/0x2d
[  396.225010]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.230116]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.235566]  ? retint_kernel+0x2d/0x2d
[  396.239460]  ? schedule+0x108/0x460
[  396.243115]  ? trace_hardirqs_off+0xb8/0x310
[  396.247523]  ? smpboot_thread_fn+0x68b/0xa00
[  396.251936]  ? trace_hardirqs_on+0x310/0x310
[  396.256349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.261890]  ? check_preemption_disabled+0x48/0x280
[  396.266919]  ? takeover_tasklets+0xa90/0xa90
[  396.271326]  run_ksoftirqd+0x5e/0x100
[  396.275131]  smpboot_thread_fn+0x68b/0xa00
[  396.279381]  ? sort_range+0x30/0x30
[  396.283018]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.288134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.293674]  ? __kthread_parkme+0xfb/0x1a0
[  396.297917]  ? sort_range+0x30/0x30
[  396.301550]  kthread+0x35a/0x440
[  396.304923]  ? kthread_stop+0x900/0x900
[  396.308919]  ret_from_fork+0x3a/0x50
[  396.312655] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  396.312661] warn_alloc_show_mem: 1 callbacks suppressed
[  396.312668] Mem-Info:
[  396.320028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.325415] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  396.325415]  active_file:133 inactive_file:117 isolated_file:0
[  396.325415]  unevictable:0 dirty:3 writeback:0 unstable:0
[  396.325415]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  396.325415]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  396.325415]  free:13727 free_pcp:164 free_cma:0
[  396.327793] Call Trace:
[  396.337180] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  396.370369]  <IRQ>
[  396.372942] 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
[  396.400694]  dump_stack+0x244/0x39d
[  396.402832] lowmem_reserve[]: 0 2818 6321 6321
[  396.428938]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.432540] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  396.437136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.442297] lowmem_reserve[]: 0 0 3503 3503
[  396.469881]  warn_alloc.cold.116+0xb7/0x1bd
[  396.475400] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  396.479723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.484019] lowmem_reserve[]: 0 0 0 0
[  396.513247]  ? lock_downgrade+0x900/0x900
[  396.518105] 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
[  396.521936]  ? trace_hardirqs_off+0xb8/0x310
[  396.526059] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  396.539575]  ? trace_hardirqs_off+0xb8/0x310
[  396.543959] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  396.559301]  __alloc_pages_slowpath+0x2651/0x2de0
[  396.563689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  396.577231]  ? warn_alloc+0x120/0x120
[  396.582033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  396.590855]  ? print_usage_bug+0xc0/0xc0
[  396.594633] 2220 total pagecache pages
[  396.603246]  ? warn_alloc+0x120/0x120
[  396.607290] 0 pages in swap cache
[  396.611163]  ? warn_alloc+0x120/0x120
[  396.614943] Swap cache stats: add 0, delete 0, find 0/0
[  396.618420]  ? print_usage_bug+0xc0/0xc0
[  396.622190] Free swap  = 0kB
[  396.627548]  ? print_usage_bug+0xc0/0xc0
[  396.631584] Total swap = 0kB
[  396.634598]  ? __lock_acquire+0x62f/0x4c20
[  396.638636] 1965979 pages RAM
[  396.641647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.645877] 0 pages HighMem/MovableOnly
[  396.648977]  ? should_fail+0x22d/0xd01
[  396.654487] 342854 pages reserved
[  396.658453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.662317] 0 pages cma reserved
[  396.665766]  ? __lock_acquire+0x62f/0x4c20
[  396.670933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.674204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.678474] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.684906]  ? __lock_acquire+0x62f/0x4c20
[  396.689987] ksoftirqd/1 cpuset=/ mems_allowed=0
[  396.700289]  ? should_fail+0x22d/0xd01
[  396.713042]  ? find_held_lock+0x36/0x1c0
[  396.717111]  ? mark_held_locks+0x130/0x130
[  396.721353]  ? mark_held_locks+0x130/0x130
[  396.725587]  ? zap_class+0x640/0x640
[  396.729301]  ? zap_class+0x640/0x640
[  396.733023]  ? print_usage_bug+0xc0/0xc0
[  396.737081]  ? do_raw_spin_unlock+0xa7/0x330
[  396.741494]  ? zap_class+0x640/0x640
[  396.745207]  ? print_usage_bug+0xc0/0xc0
[  396.749266]  ? wq_watchdog_touch+0x9c/0xfe
[  396.753507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.759047]  ? check_preemption_disabled+0x48/0x280
[  396.764078]  ? __lock_is_held+0xb5/0x140
[  396.768153]  __alloc_pages_nodemask+0xad8/0xea0
[  396.772829]  ? zap_class+0x640/0x640
[  396.776552]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  396.781579]  ? find_held_lock+0x36/0x1c0
[  396.785650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.790325]  ? lock_downgrade+0x900/0x900
[  396.794484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.800026]  cache_grow_begin+0xa5/0x8c0
[  396.804106]  ? do_raw_spin_unlock+0xa7/0x330
[  396.808527]  fallback_alloc+0x204/0x2e0
[  396.812510]  ____cache_alloc_node+0x1c7/0x1e0
[  396.817011]  kmem_cache_alloc_node+0xe3/0x730
[  396.821510]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.825758]  __alloc_skb+0x119/0x770
[  396.829485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.834765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.839187]  ? lock_downgrade+0x900/0x900
[  396.843340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.848879]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.854332]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.859783]  ? addrconf_rs_timer+0x690/0x690
[  396.864204]  ndisc_alloc_skb+0x144/0x340
[  396.868284]  ndisc_send_rs+0x331/0x6e0
[  396.872174]  addrconf_rs_timer+0x314/0x690
[  396.876420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.880668]  call_timer_fn+0x272/0x920
[  396.884554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.888794]  ? process_timeout+0x40/0x40
[  396.892860]  ? __run_timers+0x7da/0xc70
[  396.896862]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.901367]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.905870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.910106]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.914693]  ? trace_hardirqs_on+0xbd/0x310
[  396.919017]  ? kasan_check_read+0x11/0x20
[  396.923162]  ? __run_timers+0x7da/0xc70
[  396.927143]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.932252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.936511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.940744]  __run_timers+0x7e5/0xc70
[  396.944553]  ? timer_fixup_init+0x70/0x70
[  396.948701]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.953720]  ? zap_class+0x640/0x640
[  396.957442]  ? enqueue_hrtimer+0x1a5/0x560
[  396.961681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.966893]  ? find_held_lock+0x36/0x1c0
[  396.970962]  ? zap_class+0x640/0x640
[  396.974679]  ? pvclock_read_flags+0x160/0x160
[  396.979178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.984715]  ? check_preemption_disabled+0x48/0x280
[  396.989743]  ? __lock_is_held+0xb5/0x140
[  396.993804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.999361]  ? check_preemption_disabled+0x48/0x280
[  397.004398]  run_timer_softirq+0x52/0xb0
[  397.008478]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.013495]  __do_softirq+0x308/0xb7e
[  397.017303]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.021796]  ? lock_downgrade+0x900/0x900
[  397.025947]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.031056]  ? pvclock_read_flags+0x160/0x160
[  397.035554]  ? lapic_next_event+0x5a/0x90
[  397.039705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.045254]  ? kvm_clock_read+0x18/0x30
[  397.049228]  ? kvm_sched_clock_read+0x9/0x20
[  397.053638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.059181]  ? check_preemption_disabled+0x48/0x280
[  397.064638]  irq_exit+0x17f/0x1c0
[  397.068097]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.072939]  ? smp_reschedule_interrupt+0x109/0x650
[  397.077956]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.083844]  ? interrupt_entry+0xb5/0xc0
[  397.087909]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.092923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.097944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.102789]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.107801]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.112831]  ? task_prio+0x50/0x50
[  397.116376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.121924]  ? check_preemption_disabled+0x48/0x280
[  397.126963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.131812]  apic_timer_interrupt+0xf/0x20
[  397.136044]  </IRQ>
[  397.138288] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  397.143220] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  397.162121] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  397.169841] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  397.177153] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  397.184428] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  397.191694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  397.198961] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  397.206265]  skb_clone+0x1bb/0x500
[  397.209810]  ? skb_split+0x11e0/0x11e0
[  397.213705]  ? preempt_notifier_register+0x200/0x200
[  397.218805]  ? __switch_to_asm+0x34/0x70
[  397.222868]  ? __switch_to_asm+0x34/0x70
[  397.226923]  ? __switch_to_asm+0x40/0x70
[  397.230993]  ? __switch_to_asm+0x34/0x70
[  397.235051]  ? __switch_to_asm+0x40/0x70
[  397.239112]  ? __switch_to_asm+0x40/0x70
[  397.243174]  ? __switch_to_asm+0x34/0x70
[  397.247234]  ? __switch_to_asm+0x34/0x70
[  397.251290]  ? __switch_to_asm+0x40/0x70
[  397.255353]  ? __switch_to_asm+0x34/0x70
[  397.259430]  bpf_clone_redirect+0xb9/0x490
[  397.263691]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  397.268717]  ? __sched_text_start+0x8/0x8
[  397.272870]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.277644]  ? find_held_lock+0x36/0x1c0
[  397.281715]  ? lock_acquire+0x1ed/0x520
[  397.285692]  ? bpf_test_run+0x3ee/0x7a0
[  397.289672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.295237]  ? check_preemption_disabled+0x48/0x280
[  397.300273]  ? kasan_check_read+0x11/0x20
[  397.304444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.309732]  ? rcu_softirq_qs+0x20/0x20
[  397.313708]  ? preempt_schedule+0x4d/0x60
[  397.317859]  ? ___preempt_schedule+0x16/0x18
[  397.322289]  ? bpf_test_run+0x271/0x7a0
[  397.326274]  ? netlink_diag_dump+0x2a0/0x2a0
[  397.330686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.336241]  ? bpf_test_init.isra.10+0x70/0x100
[  397.340928]  ? bpf_prog_test_run_skb+0x762/0xd60
[  397.345692]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.350546]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  397.356082]  ? fput+0x130/0x1a0
[  397.359365]  ? __bpf_prog_get+0x9b/0x290
[  397.363444]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.368288]  ? bpf_prog_test_run+0x130/0x1a0
[  397.372705]  ? __x64_sys_bpf+0x3d8/0x520
[  397.376766]  ? bpf_prog_get+0x20/0x20
[  397.380586]  ? do_syscall_64+0x1b9/0x820
[  397.384645]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  397.390015]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.394957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.399804]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.404821]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  397.409844]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.414869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.419739]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  397.425122] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  397.425191] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.432052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.432057] Call Trace:
[  397.432075]  dump_stack+0x244/0x39d
[  397.432098]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.438665] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.447926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.450481] syz-executor2 cpuset=syz2 mems_allowed=0
[  397.454105]  warn_alloc.cold.116+0xb7/0x1bd
[  397.484654]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.489501]  ? lock_downgrade+0x900/0x900
[  397.493662]  ? trace_hardirqs_off+0xb8/0x310
[  397.498079]  ? trace_hardirqs_off+0xb8/0x310
[  397.502511]  __alloc_pages_slowpath+0x2651/0x2de0
[  397.507384]  ? warn_alloc+0x120/0x120
[  397.511199]  ? print_usage_bug+0xc0/0xc0
[  397.515280]  ? warn_alloc+0x120/0x120
[  397.519086]  ? warn_alloc+0x120/0x120
[  397.522887]  ? print_usage_bug+0xc0/0xc0
[  397.526961]  ? print_usage_bug+0xc0/0xc0
[  397.531045]  ? __lock_acquire+0x62f/0x4c20
[  397.535287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.540821]  ? should_fail+0x22d/0xd01
[  397.544729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.549850]  ? __lock_acquire+0x62f/0x4c20
[  397.554090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.559192]  ? __lock_acquire+0x62f/0x4c20
[  397.563424]  ? should_fail+0x22d/0xd01
[  397.567313]  ? find_held_lock+0x36/0x1c0
[  397.571402]  ? mark_held_locks+0x130/0x130
[  397.575641]  ? mark_held_locks+0x130/0x130
[  397.579871]  ? zap_class+0x640/0x640
[  397.583588]  ? zap_class+0x640/0x640
[  397.587304]  ? print_usage_bug+0xc0/0xc0
[  397.591364]  ? do_raw_spin_unlock+0xa7/0x330
[  397.595797]  ? zap_class+0x640/0x640
[  397.599510]  ? print_usage_bug+0xc0/0xc0
[  397.603570]  ? wq_watchdog_touch+0x9c/0xfe
[  397.607821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.613375]  ? check_preemption_disabled+0x48/0x280
[  397.618420]  ? __lock_is_held+0xb5/0x140
[  397.622494]  __alloc_pages_nodemask+0xad8/0xea0
[  397.627160]  ? zap_class+0x640/0x640
[  397.630876]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  397.635904]  ? find_held_lock+0x36/0x1c0
[  397.640007]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.644680]  ? lock_downgrade+0x900/0x900
[  397.648848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.654404]  cache_grow_begin+0xa5/0x8c0
[  397.658468]  ? do_raw_spin_unlock+0xa7/0x330
[  397.662900]  fallback_alloc+0x204/0x2e0
[  397.666952]  ____cache_alloc_node+0x1c7/0x1e0
[  397.671457]  kmem_cache_alloc_node+0xe3/0x730
[  397.675955]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.680201]  __alloc_skb+0x119/0x770
[  397.683927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.689208]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.693622]  ? lock_downgrade+0x900/0x900
[  397.697782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.703318]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.708774]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.714228]  ? addrconf_rs_timer+0x690/0x690
[  397.718654]  ndisc_alloc_skb+0x144/0x340
[  397.722722]  ndisc_send_rs+0x331/0x6e0
[  397.726620]  addrconf_rs_timer+0x314/0x690
[  397.730864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.735108]  call_timer_fn+0x272/0x920
[  397.738997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.743230]  ? process_timeout+0x40/0x40
[  397.747302]  ? __run_timers+0x7da/0xc70
[  397.751276]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.755769]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.760268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.764523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.769111]  ? trace_hardirqs_on+0xbd/0x310
[  397.773433]  ? kasan_check_read+0x11/0x20
[  397.777585]  ? __run_timers+0x7da/0xc70
[  397.781577]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.786713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.790952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.795188]  __run_timers+0x7e5/0xc70
[  397.799002]  ? timer_fixup_init+0x70/0x70
[  397.803151]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.807644]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.812139]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.816737]  ? trace_hardirqs_on+0xbd/0x310
[  397.821072]  ? kasan_check_read+0x11/0x20
[  397.825228]  ? finish_task_switch+0x1f4/0x910
[  397.829726]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.834849]  ? compat_start_thread+0x80/0x80
[  397.839283]  ? pvclock_read_flags+0x160/0x160
[  397.843779]  ? __switch_to_asm+0x34/0x70
[  397.847872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.853419]  ? check_preemption_disabled+0x48/0x280
[  397.858447]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  397.863982]  ? rcu_pm_notify+0xc0/0xc0
[  397.867868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.873413]  ? check_preemption_disabled+0x48/0x280
[  397.878440]  run_timer_softirq+0x52/0xb0
[  397.882517]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.887533]  __do_softirq+0x308/0xb7e
[  397.891365]  ? retint_kernel+0x2d/0x2d
[  397.895269]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.900371]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.905842]  ? retint_kernel+0x2d/0x2d
[  397.909733]  ? schedule+0x108/0x460
[  397.913370]  ? trace_hardirqs_off+0xb8/0x310
[  397.917805]  ? smpboot_thread_fn+0x68b/0xa00
[  397.922216]  ? trace_hardirqs_on+0x310/0x310
[  397.926628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.932167]  ? check_preemption_disabled+0x48/0x280
[  397.937186]  ? takeover_tasklets+0xa90/0xa90
[  397.941598]  run_ksoftirqd+0x5e/0x100
[  397.945408]  smpboot_thread_fn+0x68b/0xa00
[  397.949649]  ? sort_range+0x30/0x30
[  397.953278]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.958402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.963974]  ? __kthread_parkme+0xfb/0x1a0
[  397.968209]  ? sort_range+0x30/0x30
[  397.971851]  kthread+0x35a/0x440
[  397.975216]  ? kthread_stop+0x900/0x900
[  397.979191]  ret_from_fork+0x3a/0x50
[  397.982933] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  397.982938] warn_alloc_show_mem: 1 callbacks suppressed
[  397.982946] Mem-Info:
[  397.990298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.995669] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  397.995669]  active_file:133 inactive_file:117 isolated_file:0
[  397.995669]  unevictable:0 dirty:3 writeback:0 unstable:0
[  397.995669]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  397.995669]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  397.995669]  free:13727 free_pcp:164 free_cma:0
[  397.998042] Call Trace:
[  398.007447] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  398.040641]  <IRQ>
[  398.043209] 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
[  398.070962]  dump_stack+0x244/0x39d
[  398.073087] lowmem_reserve[]: 0 2818 6321 6321
[  398.099189]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.102789] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  398.107383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.112553] lowmem_reserve[]: 0 0 3503 3503
[  398.140165]  warn_alloc.cold.116+0xb7/0x1bd
[  398.145689] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  398.150004]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.154299] lowmem_reserve[]: 0 0 0 0
[  398.183529]  ? lock_downgrade+0x900/0x900
[  398.188346] 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
[  398.192298]  ? trace_hardirqs_off+0xb8/0x310
[  398.196417] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  398.209945]  ? trace_hardirqs_off+0xb8/0x310
[  398.214342] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  398.229682]  __alloc_pages_slowpath+0x2651/0x2de0
[  398.234072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  398.247604]  ? warn_alloc+0x120/0x120
[  398.252412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  398.261238]  ? print_usage_bug+0xc0/0xc0
[  398.265031] 2220 total pagecache pages
[  398.273612]  ? warn_alloc+0x120/0x120
[  398.277655] 0 pages in swap cache
[  398.281530]  ? warn_alloc+0x120/0x120
[  398.285308] Swap cache stats: add 0, delete 0, find 0/0
[  398.288750]  ? print_usage_bug+0xc0/0xc0
[  398.292525] Free swap  = 0kB
[  398.297902]  ? print_usage_bug+0xc0/0xc0
[  398.301945] Total swap = 0kB
[  398.304971]  ? __lock_acquire+0x62f/0x4c20
[  398.309009] 1965979 pages RAM
[  398.312021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.316231] 0 pages HighMem/MovableOnly
[  398.319331]  ? should_fail+0x22d/0xd01
[  398.324842] 342854 pages reserved
[  398.328812]  ? __lock_acquire+0x62f/0x4c20
[  398.332672] 0 pages cma reserved
[  398.336122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.340407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.343694]  ? __lock_acquire+0x62f/0x4c20
[  398.348850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.355282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.359496] ksoftirqd/1 cpuset=/ mems_allowed=0
[  398.369813]  ? __lock_acquire+0x62f/0x4c20
[  398.383799]  ? should_fail+0x22d/0xd01
[  398.387697]  ? mark_held_locks+0x130/0x130
[  398.391936]  ? mark_held_locks+0x130/0x130
[  398.396168]  ? zap_class+0x640/0x640
[  398.399910]  ? zap_class+0x640/0x640
[  398.403625]  ? print_usage_bug+0xc0/0xc0
[  398.407684]  ? wq_watchdog_touch+0x9c/0xfe
[  398.411922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.417468]  ? check_preemption_disabled+0x48/0x280
[  398.422498]  ? __lock_is_held+0xb5/0x140
[  398.426564]  __alloc_pages_nodemask+0xad8/0xea0
[  398.431241]  ? zap_class+0x640/0x640
[  398.434963]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  398.439989]  ? find_held_lock+0x36/0x1c0
[  398.444060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.448732]  ? lock_downgrade+0x900/0x900
[  398.452902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.458448]  cache_grow_begin+0xa5/0x8c0
[  398.462508]  ? do_raw_spin_unlock+0xa7/0x330
[  398.466927]  fallback_alloc+0x204/0x2e0
[  398.470914]  ____cache_alloc_node+0x1c7/0x1e0
[  398.475428]  kmem_cache_alloc_node+0xe3/0x730
[  398.479925]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.484172]  __alloc_skb+0x119/0x770
[  398.487884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.493164]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.497590]  ? lock_downgrade+0x900/0x900
[  398.501749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.507290]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.512748]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.518197]  ? addrconf_rs_timer+0x690/0x690
[  398.522621]  ndisc_alloc_skb+0x144/0x340
[  398.526692]  ndisc_send_rs+0x331/0x6e0
[  398.530585]  addrconf_rs_timer+0x314/0x690
[  398.534828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.539071]  call_timer_fn+0x272/0x920
[  398.542961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.547202]  ? process_timeout+0x40/0x40
[  398.551270]  ? __run_timers+0x7da/0xc70
[  398.555247]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.559739]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.564251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.568501]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.573100]  ? trace_hardirqs_on+0xbd/0x310
[  398.577443]  ? kasan_check_read+0x11/0x20
[  398.581593]  ? __run_timers+0x7da/0xc70
[  398.585568]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.590684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.594948]  __run_timers+0x7e5/0xc70
[  398.598762]  ? timer_fixup_init+0x70/0x70
[  398.602910]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.607929]  ? zap_class+0x640/0x640
[  398.611689]  ? enqueue_hrtimer+0x1a5/0x560
[  398.615927]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.621128]  ? find_held_lock+0x36/0x1c0
[  398.625206]  ? zap_class+0x640/0x640
[  398.628922]  ? pvclock_read_flags+0x160/0x160
[  398.633433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.638973]  ? check_preemption_disabled+0x48/0x280
[  398.644002]  ? __lock_is_held+0xb5/0x140
[  398.648063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.653601]  ? check_preemption_disabled+0x48/0x280
[  398.658621]  run_timer_softirq+0x52/0xb0
[  398.662687]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.667702]  __do_softirq+0x308/0xb7e
[  398.671508]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.676007]  ? lock_downgrade+0x900/0x900
[  398.680162]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.685286]  ? pvclock_read_flags+0x160/0x160
[  398.689783]  ? lapic_next_event+0x5a/0x90
[  398.693935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.699506]  ? kvm_clock_read+0x18/0x30
[  398.703481]  ? kvm_sched_clock_read+0x9/0x20
[  398.707905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.713445]  ? check_preemption_disabled+0x48/0x280
[  398.718469]  irq_exit+0x17f/0x1c0
[  398.721923]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.726767]  ? smp_reschedule_interrupt+0x109/0x650
[  398.731788]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.737671]  ? interrupt_entry+0xb5/0xc0
[  398.741737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.746756]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.751789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.756635]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.761650]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.766666]  ? task_prio+0x50/0x50
[  398.770211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.775751]  ? check_preemption_disabled+0x48/0x280
[  398.780775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.785625]  apic_timer_interrupt+0xf/0x20
[  398.789854]  </IRQ>
[  398.792097] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  398.797042] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  398.815938] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  398.823677] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.830957] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  398.838223] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  398.845487] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  398.852774] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  398.860077]  skb_clone+0x1bb/0x500
[  398.863623]  ? skb_split+0x11e0/0x11e0
[  398.867517]  ? preempt_notifier_register+0x200/0x200
[  398.872619]  ? __switch_to_asm+0x34/0x70
[  398.876679]  ? __switch_to_asm+0x34/0x70
[  398.880742]  ? __switch_to_asm+0x40/0x70
[  398.884818]  ? __switch_to_asm+0x34/0x70
[  398.888874]  ? __switch_to_asm+0x40/0x70
[  398.892966]  ? __switch_to_asm+0x40/0x70
[  398.897022]  ? __switch_to_asm+0x34/0x70
[  398.901082]  ? __switch_to_asm+0x34/0x70
[  398.905141]  ? __switch_to_asm+0x40/0x70
[  398.909200]  ? __switch_to_asm+0x34/0x70
[  398.913268]  bpf_clone_redirect+0xb9/0x490
[  398.917510]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  398.922529]  ? __sched_text_start+0x8/0x8
[  398.926676]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.931453]  ? find_held_lock+0x36/0x1c0
[  398.935528]  ? lock_acquire+0x1ed/0x520
[  398.939506]  ? bpf_test_run+0x3ee/0x7a0
[  398.943482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.949023]  ? check_preemption_disabled+0x48/0x280
[  398.954047]  ? kasan_check_read+0x11/0x20
[  398.958196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.963472]  ? rcu_softirq_qs+0x20/0x20
[  398.967453]  ? preempt_schedule+0x4d/0x60
[  398.971602]  ? ___preempt_schedule+0x16/0x18
[  398.976019]  ? bpf_test_run+0x271/0x7a0
[  398.980011]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.984433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.989973]  ? bpf_test_init.isra.10+0x70/0x100
[  398.994648]  ? bpf_prog_test_run_skb+0x762/0xd60
[  398.999430]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  399.004285]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.009824]  ? fput+0x130/0x1a0
[  399.013111]  ? __bpf_prog_get+0x9b/0x290
[  399.017179]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  399.022023]  ? bpf_prog_test_run+0x130/0x1a0
[  399.026443]  ? __x64_sys_bpf+0x3d8/0x520
[  399.030510]  ? bpf_prog_get+0x20/0x20
[  399.034334]  ? do_syscall_64+0x1b9/0x820
[  399.038406]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  399.043780]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.048711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.053560]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.058578]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  399.064020]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.069051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.073918]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  399.079294] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  399.079361] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.086217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.086226] Call Trace:
[  399.092789] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.102057]  dump_stack+0x244/0x39d
[  399.104616] syz-executor2 cpuset=syz2 mems_allowed=0
[  399.115092]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.128961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.134522]  warn_alloc.cold.116+0xb7/0x1bd
[  399.138847]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.143696]  ? lock_downgrade+0x900/0x900
[  399.147850]  ? trace_hardirqs_off+0xb8/0x310
[  399.152265]  ? trace_hardirqs_off+0xb8/0x310
[  399.156681]  __alloc_pages_slowpath+0x2651/0x2de0
[  399.161558]  ? warn_alloc+0x120/0x120
[  399.165360]  ? print_usage_bug+0xc0/0xc0
[  399.169428]  ? warn_alloc+0x120/0x120
[  399.173235]  ? warn_alloc+0x120/0x120
[  399.177053]  ? print_usage_bug+0xc0/0xc0
[  399.181133]  ? print_usage_bug+0xc0/0xc0
[  399.185193]  ? __lock_acquire+0x62f/0x4c20
[  399.189466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.195004]  ? should_fail+0x22d/0xd01
[  399.198927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.204035]  ? __lock_acquire+0x62f/0x4c20
[  399.208275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.213385]  ? __lock_acquire+0x62f/0x4c20
[  399.217627]  ? should_fail+0x22d/0xd01
[  399.221518]  ? find_held_lock+0x36/0x1c0
[  399.225590]  ? mark_held_locks+0x130/0x130
[  399.229829]  ? mark_held_locks+0x130/0x130
[  399.234063]  ? zap_class+0x640/0x640
[  399.237776]  ? zap_class+0x640/0x640
[  399.241492]  ? print_usage_bug+0xc0/0xc0
[  399.245551]  ? do_raw_spin_unlock+0xa7/0x330
[  399.249964]  ? zap_class+0x640/0x640
[  399.253683]  ? print_usage_bug+0xc0/0xc0
[  399.257744]  ? wq_watchdog_touch+0x9c/0xfe
[  399.261982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.267535]  ? check_preemption_disabled+0x48/0x280
[  399.272560]  ? __lock_is_held+0xb5/0x140
[  399.276629]  __alloc_pages_nodemask+0xad8/0xea0
[  399.281301]  ? zap_class+0x640/0x640
[  399.285021]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  399.290051]  ? find_held_lock+0x36/0x1c0
[  399.294120]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.298794]  ? lock_downgrade+0x900/0x900
[  399.302955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.308499]  cache_grow_begin+0xa5/0x8c0
[  399.312558]  ? do_raw_spin_unlock+0xa7/0x330
[  399.316971]  fallback_alloc+0x204/0x2e0
[  399.320952]  ____cache_alloc_node+0x1c7/0x1e0
[  399.325455]  kmem_cache_alloc_node+0xe3/0x730
[  399.329954]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.334213]  __alloc_skb+0x119/0x770
[  399.337938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.343235]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.347643]  ? lock_downgrade+0x900/0x900
[  399.351798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.357335]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.362789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.368241]  ? addrconf_rs_timer+0x690/0x690
[  399.372660]  ndisc_alloc_skb+0x144/0x340
[  399.376730]  ndisc_send_rs+0x331/0x6e0
[  399.380624]  addrconf_rs_timer+0x314/0x690
[  399.384878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.389133]  call_timer_fn+0x272/0x920
[  399.393026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.397261]  ? process_timeout+0x40/0x40
[  399.401334]  ? __run_timers+0x7da/0xc70
[  399.405308]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.409803]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.414296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.418529]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.423125]  ? trace_hardirqs_on+0xbd/0x310
[  399.427450]  ? kasan_check_read+0x11/0x20
[  399.431596]  ? __run_timers+0x7da/0xc70
[  399.435586]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.440710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.444952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.449184]  __run_timers+0x7e5/0xc70
[  399.452997]  ? timer_fixup_init+0x70/0x70
[  399.457147]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.461642]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.466167]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.470752]  ? trace_hardirqs_on+0xbd/0x310
[  399.475074]  ? kasan_check_read+0x11/0x20
[  399.479223]  ? finish_task_switch+0x1f4/0x910
[  399.483754]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.488874]  ? compat_start_thread+0x80/0x80
[  399.493316]  ? pvclock_read_flags+0x160/0x160
[  399.497804]  ? __switch_to_asm+0x34/0x70
[  399.501870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.507417]  ? check_preemption_disabled+0x48/0x280
[  399.512451]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  399.517994]  ? rcu_pm_notify+0xc0/0xc0
[  399.521916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.527458]  ? check_preemption_disabled+0x48/0x280
[  399.532479]  run_timer_softirq+0x52/0xb0
[  399.536541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.541558]  __do_softirq+0x308/0xb7e
[  399.545379]  ? retint_kernel+0x2d/0x2d
[  399.549279]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.554381]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.559841]  ? retint_kernel+0x2d/0x2d
[  399.563750]  ? schedule+0x108/0x460
[  399.567399]  ? trace_hardirqs_off+0xb8/0x310
[  399.571824]  ? smpboot_thread_fn+0x68b/0xa00
[  399.576249]  ? trace_hardirqs_on+0x310/0x310
[  399.580691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.586235]  ? check_preemption_disabled+0x48/0x280
[  399.591259]  ? takeover_tasklets+0xa90/0xa90
[  399.595670]  run_ksoftirqd+0x5e/0x100
[  399.599468]  smpboot_thread_fn+0x68b/0xa00
[  399.603704]  ? sort_range+0x30/0x30
[  399.607332]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.612440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.617981]  ? __kthread_parkme+0xfb/0x1a0
[  399.622218]  ? sort_range+0x30/0x30
[  399.625859]  kthread+0x35a/0x440
[  399.629240]  ? kthread_stop+0x900/0x900
[  399.633215]  ret_from_fork+0x3a/0x50
[  399.636967] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  399.636972] warn_alloc_show_mem: 1 callbacks suppressed
[  399.636980] Mem-Info:
[  399.644332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.649704] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  399.649704]  active_file:133 inactive_file:117 isolated_file:0
[  399.649704]  unevictable:0 dirty:3 writeback:0 unstable:0
[  399.649704]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  399.649704]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  399.649704]  free:13727 free_pcp:164 free_cma:0
[  399.652075] Call Trace:
[  399.661442] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  399.661477] 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
[  399.694688]  <IRQ>
[  399.697268] lowmem_reserve[]: 0 2818 6321 6321
[  399.725022]  dump_stack+0x244/0x39d
[  399.751104] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  399.753250]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.757801] lowmem_reserve[]: 0 0 3503 3503
[  399.761437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.789001] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  399.794191]  warn_alloc.cold.116+0xb7/0x1bd
[  399.798499] lowmem_reserve[]: 0 0 0 0
[  399.804030]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.833237] 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
[  399.837553]  ? lock_downgrade+0x900/0x900
[  399.841331] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  399.846201]  ? trace_hardirqs_off+0xb8/0x310
[  399.859695] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  399.863855]  ? trace_hardirqs_off+0xb8/0x310
[  399.879180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.883577]  __alloc_pages_slowpath+0x2651/0x2de0
[  399.897080] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.901494]  ? warn_alloc+0x120/0x120
[  399.910282] 2220 total pagecache pages
[  399.915118]  ? print_usage_bug+0xc0/0xc0
[  399.923670] 0 pages in swap cache
[  399.927456]  ? warn_alloc+0x120/0x120
[  399.931323] Swap cache stats: add 0, delete 0, find 0/0
[  399.935374]  ? warn_alloc+0x120/0x120
[  399.938812] Free swap  = 0kB
[  399.942607]  ? print_usage_bug+0xc0/0xc0
[  399.947945] Total swap = 0kB
[  399.951739]  ? kvm_clock_read+0x18/0x30
[  399.954749] 1965979 pages RAM
[  399.958814]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  399.961822] 0 pages HighMem/MovableOnly
[  399.965790]  ? print_usage_bug+0xc0/0xc0
[  399.968890] 342854 pages reserved
[  399.973899]  ? __lock_acquire+0x62f/0x4c20
[  399.977855] 0 pages cma reserved
[  399.981906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.985440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.989560]  ? should_fail+0x22d/0xd01
[  399.989574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.989592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.992986] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.998466]  ? __lock_acquire+0x62f/0x4c20
[  400.004941] ksoftirqd/1 cpuset=/ mems_allowed=0
[  400.008825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.043450]  ? __lock_acquire+0x62f/0x4c20
[  400.047688]  ? should_fail+0x22d/0xd01
[  400.051571]  ? rcu_irq_exit+0x1a2/0x390
[  400.055572]  ? mark_held_locks+0x130/0x130
[  400.059813]  ? mark_held_locks+0x130/0x130
[  400.064056]  ? mark_held_locks+0xc7/0x130
[  400.068203]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  400.073219]  ? zap_class+0x640/0x640
[  400.076936]  ? print_usage_bug+0xc0/0xc0
[  400.081001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.086560]  ? check_preemption_disabled+0x48/0x280
[  400.091587]  ? __lock_is_held+0xb5/0x140
[  400.095653]  __alloc_pages_nodemask+0xad8/0xea0
[  400.100324]  ? zap_class+0x640/0x640
[  400.104046]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  400.109075]  ? find_held_lock+0x36/0x1c0
[  400.113145]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.117815]  ? lock_downgrade+0x900/0x900
[  400.121970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.127513]  cache_grow_begin+0xa5/0x8c0
[  400.131574]  ? do_raw_spin_unlock+0xa7/0x330
[  400.135995]  fallback_alloc+0x204/0x2e0
[  400.139975]  ____cache_alloc_node+0x1c7/0x1e0
[  400.144475]  kmem_cache_alloc_node+0xe3/0x730
[  400.148968]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.153230]  __alloc_skb+0x119/0x770
[  400.156948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.162249]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.166654]  ? lock_downgrade+0x900/0x900
[  400.170826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.176360]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.181819]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.187269]  ? addrconf_rs_timer+0x690/0x690
[  400.191704]  ndisc_alloc_skb+0x144/0x340
[  400.195922]  ndisc_send_rs+0x331/0x6e0
[  400.199819]  addrconf_rs_timer+0x314/0x690
[  400.204060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.208308]  call_timer_fn+0x272/0x920
[  400.212199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.216440]  ? process_timeout+0x40/0x40
[  400.220514]  ? __run_timers+0x7da/0xc70
[  400.224489]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.228989]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.233485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.237720]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.242303]  ? trace_hardirqs_on+0xbd/0x310
[  400.246624]  ? kasan_check_read+0x11/0x20
[  400.250769]  ? __run_timers+0x7da/0xc70
[  400.254744]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.259899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.264132]  __run_timers+0x7e5/0xc70
[  400.267946]  ? timer_fixup_init+0x70/0x70
[  400.272098]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.277115]  ? zap_class+0x640/0x640
[  400.280847]  ? enqueue_hrtimer+0x1a5/0x560
[  400.285098]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.290296]  ? find_held_lock+0x36/0x1c0
[  400.294361]  ? zap_class+0x640/0x640
[  400.298092]  ? pvclock_read_flags+0x160/0x160
[  400.302590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.308130]  ? check_preemption_disabled+0x48/0x280
[  400.313156]  ? __lock_is_held+0xb5/0x140
[  400.317221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.322774]  ? check_preemption_disabled+0x48/0x280
[  400.327812]  run_timer_softirq+0x52/0xb0
[  400.331878]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.336894]  __do_softirq+0x308/0xb7e
[  400.340701]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.345196]  ? lock_downgrade+0x900/0x900
[  400.349371]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.354495]  ? pvclock_read_flags+0x160/0x160
[  400.358996]  ? lapic_next_event+0x5a/0x90
[  400.363145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.368689]  ? kvm_clock_read+0x18/0x30
[  400.372666]  ? kvm_sched_clock_read+0x9/0x20
[  400.377081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.382623]  ? check_preemption_disabled+0x48/0x280
[  400.387655]  irq_exit+0x17f/0x1c0
[  400.391111]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.395983]  ? smp_reschedule_interrupt+0x109/0x650
[  400.400999]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.406881]  ? interrupt_entry+0xb5/0xc0
[  400.410942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.415974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.420995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.425842]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.430854]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.435870]  ? task_prio+0x50/0x50
[  400.439428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.445004]  ? check_preemption_disabled+0x48/0x280
[  400.450061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.454915]  apic_timer_interrupt+0xf/0x20
[  400.459144]  </IRQ>
[  400.461379] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  400.466325] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  400.485228] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  400.492931] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.500198] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  400.507464] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  400.514732] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.521997] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  400.529297]  skb_clone+0x1bb/0x500
[  400.532843]  ? skb_split+0x11e0/0x11e0
[  400.536738]  ? preempt_notifier_register+0x200/0x200
[  400.541838]  ? __switch_to_asm+0x34/0x70
[  400.545912]  ? __switch_to_asm+0x34/0x70
[  400.549985]  ? __switch_to_asm+0x40/0x70
[  400.554062]  ? __switch_to_asm+0x34/0x70
[  400.558135]  ? __switch_to_asm+0x40/0x70
[  400.562191]  ? __switch_to_asm+0x40/0x70
[  400.566249]  ? __switch_to_asm+0x34/0x70
[  400.570308]  ? __switch_to_asm+0x34/0x70
[  400.574369]  ? __switch_to_asm+0x40/0x70
[  400.578445]  ? __switch_to_asm+0x34/0x70
[  400.582512]  bpf_clone_redirect+0xb9/0x490
[  400.586763]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  400.591783]  ? __sched_text_start+0x8/0x8
[  400.595948]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  400.600714]  ? find_held_lock+0x36/0x1c0
[  400.604811]  ? lock_acquire+0x1ed/0x520
[  400.608789]  ? bpf_test_run+0x3ee/0x7a0
[  400.612764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.618303]  ? check_preemption_disabled+0x48/0x280
[  400.623338]  ? kasan_check_read+0x11/0x20
[  400.627488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.632761]  ? rcu_softirq_qs+0x20/0x20
[  400.636735]  ? preempt_schedule+0x4d/0x60
[  400.640885]  ? ___preempt_schedule+0x16/0x18
[  400.645301]  ? bpf_test_run+0x271/0x7a0
[  400.649290]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.653702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.659257]  ? bpf_test_init.isra.10+0x70/0x100
[  400.663932]  ? bpf_prog_test_run_skb+0x762/0xd60
[  400.668700]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.673552]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.679088]  ? fput+0x130/0x1a0
[  400.682370]  ? __bpf_prog_get+0x9b/0x290
[  400.686447]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.691289]  ? bpf_prog_test_run+0x130/0x1a0
[  400.695702]  ? __x64_sys_bpf+0x3d8/0x520
[  400.699762]  ? bpf_prog_get+0x20/0x20
[  400.703586]  ? do_syscall_64+0x1b9/0x820
[  400.707649]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.713031]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.717972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.722820]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.727851]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.732868]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.737891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.742747]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.748145] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  400.748265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.755112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.755117] Call Trace:
[  400.755135]  dump_stack+0x244/0x39d
[  400.755153]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.755199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.761760] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.771032]  warn_alloc.cold.116+0xb7/0x1bd
[  400.773593] syz-executor2 cpuset=syz2 mems_allowed=0
[  400.777216]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.812622]  ? lock_downgrade+0x900/0x900
[  400.816780]  ? trace_hardirqs_off+0xb8/0x310
[  400.821216]  ? trace_hardirqs_off+0xb8/0x310
[  400.825635]  __alloc_pages_slowpath+0x2651/0x2de0
[  400.830513]  ? warn_alloc+0x120/0x120
[  400.834319]  ? print_usage_bug+0xc0/0xc0
[  400.838401]  ? warn_alloc+0x120/0x120
[  400.842212]  ? warn_alloc+0x120/0x120
[  400.846014]  ? print_usage_bug+0xc0/0xc0
[  400.850096]  ? print_usage_bug+0xc0/0xc0
[  400.854161]  ? __lock_acquire+0x62f/0x4c20
[  400.858409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.863951]  ? should_fail+0x22d/0xd01
[  400.867858]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.872973]  ? __lock_acquire+0x62f/0x4c20
[  400.877213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.882315]  ? __lock_acquire+0x62f/0x4c20
[  400.886553]  ? should_fail+0x22d/0xd01
[  400.890445]  ? find_held_lock+0x36/0x1c0
[  400.894516]  ? mark_held_locks+0x130/0x130
[  400.898759]  ? mark_held_locks+0x130/0x130
[  400.903008]  ? zap_class+0x640/0x640
[  400.906724]  ? zap_class+0x640/0x640
[  400.910439]  ? print_usage_bug+0xc0/0xc0
[  400.914515]  ? do_raw_spin_unlock+0xa7/0x330
[  400.918926]  ? zap_class+0x640/0x640
[  400.922643]  ? print_usage_bug+0xc0/0xc0
[  400.926706]  ? wq_watchdog_touch+0x9c/0xfe
[  400.930951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.936487]  ? check_preemption_disabled+0x48/0x280
[  400.941524]  ? __lock_is_held+0xb5/0x140
[  400.945605]  __alloc_pages_nodemask+0xad8/0xea0
[  400.950277]  ? zap_class+0x640/0x640
[  400.954001]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  400.959027]  ? find_held_lock+0x36/0x1c0
[  400.963126]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.967814]  ? lock_downgrade+0x900/0x900
[  400.971970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.977513]  cache_grow_begin+0xa5/0x8c0
[  400.981572]  ? do_raw_spin_unlock+0xa7/0x330
[  400.986003]  fallback_alloc+0x204/0x2e0
[  400.989996]  ____cache_alloc_node+0x1c7/0x1e0
[  400.994498]  kmem_cache_alloc_node+0xe3/0x730
[  400.998993]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.003241]  __alloc_skb+0x119/0x770
[  401.006954]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.012235]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.016645]  ? lock_downgrade+0x900/0x900
[  401.020803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.026345]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.031798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.037251]  ? addrconf_rs_timer+0x690/0x690
[  401.041686]  ndisc_alloc_skb+0x144/0x340
[  401.045761]  ndisc_send_rs+0x331/0x6e0
[  401.049658]  addrconf_rs_timer+0x314/0x690
[  401.053937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.058187]  call_timer_fn+0x272/0x920
[  401.062217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.066455]  ? process_timeout+0x40/0x40
[  401.070543]  ? __run_timers+0x7da/0xc70
[  401.074526]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.079022]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.083517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.087772]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.092371]  ? trace_hardirqs_on+0xbd/0x310
[  401.096963]  ? kasan_check_read+0x11/0x20
[  401.101109]  ? __run_timers+0x7da/0xc70
[  401.105086]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.110192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.114533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.118765]  __run_timers+0x7e5/0xc70
[  401.122578]  ? timer_fixup_init+0x70/0x70
[  401.126744]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.131241]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.135737]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.140322]  ? trace_hardirqs_on+0xbd/0x310
[  401.144649]  ? kasan_check_read+0x11/0x20
[  401.148843]  ? finish_task_switch+0x1f4/0x910
[  401.153379]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.158498]  ? compat_start_thread+0x80/0x80
[  401.162934]  ? pvclock_read_flags+0x160/0x160
[  401.167428]  ? __switch_to_asm+0x34/0x70
[  401.171495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.177047]  ? check_preemption_disabled+0x48/0x280
[  401.182073]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  401.187625]  ? rcu_pm_notify+0xc0/0xc0
[  401.191517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.197056]  ? check_preemption_disabled+0x48/0x280
[  401.202078]  run_timer_softirq+0x52/0xb0
[  401.206142]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.211159]  __do_softirq+0x308/0xb7e
[  401.214977]  ? retint_kernel+0x2d/0x2d
[  401.218887]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.223995]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.229451]  ? retint_kernel+0x2d/0x2d
[  401.233341]  ? schedule+0x108/0x460
[  401.236992]  ? trace_hardirqs_off+0xb8/0x310
[  401.241406]  ? smpboot_thread_fn+0x68b/0xa00
[  401.245815]  ? trace_hardirqs_on+0x310/0x310
[  401.250227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.255778]  ? check_preemption_disabled+0x48/0x280
[  401.260797]  ? takeover_tasklets+0xa90/0xa90
[  401.265210]  run_ksoftirqd+0x5e/0x100
[  401.269013]  smpboot_thread_fn+0x68b/0xa00
[  401.273264]  ? sort_range+0x30/0x30
[  401.276889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.281999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.287535]  ? __kthread_parkme+0xfb/0x1a0
[  401.291774]  ? sort_range+0x30/0x30
[  401.295408]  kthread+0x35a/0x440
[  401.298777]  ? kthread_stop+0x900/0x900
[  401.302753]  ret_from_fork+0x3a/0x50
[  401.306491] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  401.306497] warn_alloc_show_mem: 1 callbacks suppressed
[  401.306504] Mem-Info:
[  401.313862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.319247] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  401.319247]  active_file:133 inactive_file:117 isolated_file:0
[  401.319247]  unevictable:0 dirty:3 writeback:0 unstable:0
[  401.319247]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  401.319247]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  401.319247]  free:13727 free_pcp:164 free_cma:0
[  401.321621] Call Trace:
[  401.331010] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  401.364224]  <IRQ>
[  401.366792] 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
[  401.394588]  dump_stack+0x244/0x39d
[  401.396717] lowmem_reserve[]: 0 2818 6321 6321
[  401.422820]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.426415] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  401.431002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.436199] lowmem_reserve[]: 0 0 3503 3503
[  401.463783]  warn_alloc.cold.116+0xb7/0x1bd
[  401.469290] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  401.473611]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.477905] lowmem_reserve[]: 0 0 0 0
[  401.507134]  ? lock_downgrade+0x900/0x900
[  401.511951] 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
[  401.515750]  ? trace_hardirqs_off+0xb8/0x310
[  401.519874] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  401.533401]  ? trace_hardirqs_off+0xb8/0x310
[  401.537781] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  401.553123]  __alloc_pages_slowpath+0x2651/0x2de0
[  401.557514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  401.571047]  ? warn_alloc+0x120/0x120
[  401.575851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  401.584672]  ? print_usage_bug+0xc0/0xc0
[  401.588460] 2220 total pagecache pages
[  401.597024]  ? warn_alloc+0x120/0x120
[  401.601067] 0 pages in swap cache
[  401.604946]  ? warn_alloc+0x120/0x120
[  401.608728] Swap cache stats: add 0, delete 0, find 0/0
[  401.612173]  ? print_usage_bug+0xc0/0xc0
[  401.615951] Free swap  = 0kB
[  401.621307]  ? kvm_clock_read+0x18/0x30
[  401.625339] Total swap = 0kB
[  401.628355]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.632307] 1965979 pages RAM
[  401.635316]  ? print_usage_bug+0xc0/0xc0
[  401.640306] 0 pages HighMem/MovableOnly
[  401.643417]  ? __lock_acquire+0x62f/0x4c20
[  401.647469] 342854 pages reserved
[  401.651439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.655646] 0 pages cma reserved
[  401.659110]  ? should_fail+0x22d/0xd01
[  401.664688] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.667974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.667993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.671950] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.678346]  ? __lock_acquire+0x62f/0x4c20
[  401.683615] ksoftirqd/1 cpuset=/ mems_allowed=0
[  401.688713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.712977]  ? __lock_acquire+0x62f/0x4c20
[  401.717208]  ? should_fail+0x22d/0xd01
[  401.721094]  ? rcu_irq_exit+0x1a2/0x390
[  401.725078]  ? mark_held_locks+0x130/0x130
[  401.729318]  ? mark_held_locks+0x130/0x130
[  401.733575]  ? mark_held_locks+0xc7/0x130
[  401.737740]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  401.742760]  ? zap_class+0x640/0x640
[  401.746477]  ? print_usage_bug+0xc0/0xc0
[  401.750541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.756083]  ? check_preemption_disabled+0x48/0x280
[  401.761111]  ? __lock_is_held+0xb5/0x140
[  401.765209]  __alloc_pages_nodemask+0xad8/0xea0
[  401.769877]  ? zap_class+0x640/0x640
[  401.773598]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  401.778629]  ? find_held_lock+0x36/0x1c0
[  401.782718]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.787430]  ? lock_downgrade+0x900/0x900
[  401.791608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.797154]  cache_grow_begin+0xa5/0x8c0
[  401.801234]  ? do_raw_spin_unlock+0xa7/0x330
[  401.805652]  fallback_alloc+0x204/0x2e0
[  401.809645]  ____cache_alloc_node+0x1c7/0x1e0
[  401.814142]  kmem_cache_alloc_node+0xe3/0x730
[  401.818662]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.822908]  __alloc_skb+0x119/0x770
[  401.826635]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.831914]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.836326]  ? lock_downgrade+0x900/0x900
[  401.840516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.846054]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.851508]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.856957]  ? addrconf_rs_timer+0x690/0x690
[  401.861376]  ndisc_alloc_skb+0x144/0x340
[  401.865451]  ndisc_send_rs+0x331/0x6e0
[  401.869342]  addrconf_rs_timer+0x314/0x690
[  401.873586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.877834]  call_timer_fn+0x272/0x920
[  401.881723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.885962]  ? process_timeout+0x40/0x40
[  401.890029]  ? __run_timers+0x7da/0xc70
[  401.894010]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.898506]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.903000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.907234]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.911821]  ? trace_hardirqs_on+0xbd/0x310
[  401.916141]  ? kasan_check_read+0x11/0x20
[  401.920287]  ? __run_timers+0x7da/0xc70
[  401.924262]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.929368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.933617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.937853]  __run_timers+0x7e5/0xc70
[  401.941662]  ? timer_fixup_init+0x70/0x70
[  401.945817]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.950836]  ? zap_class+0x640/0x640
[  401.954556]  ? enqueue_hrtimer+0x1a5/0x560
[  401.958792]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.963990]  ? find_held_lock+0x36/0x1c0
[  401.968061]  ? zap_class+0x640/0x640
[  401.971779]  ? pvclock_read_flags+0x160/0x160
[  401.976275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.981820]  ? check_preemption_disabled+0x48/0x280
[  401.986846]  ? __lock_is_held+0xb5/0x140
[  401.990913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.996451]  ? check_preemption_disabled+0x48/0x280
[  402.001473]  run_timer_softirq+0x52/0xb0
[  402.005539]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.010563]  __do_softirq+0x308/0xb7e
[  402.014371]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.018877]  ? lock_downgrade+0x900/0x900
[  402.023035]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.028149]  ? pvclock_read_flags+0x160/0x160
[  402.032653]  ? lapic_next_event+0x5a/0x90
[  402.036805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.042351]  ? kvm_clock_read+0x18/0x30
[  402.046326]  ? kvm_sched_clock_read+0x9/0x20
[  402.050739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.056277]  ? check_preemption_disabled+0x48/0x280
[  402.061305]  irq_exit+0x17f/0x1c0
[  402.064765]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.069606]  ? smp_reschedule_interrupt+0x109/0x650
[  402.074627]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.080516]  ? interrupt_entry+0xb5/0xc0
[  402.084579]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.089595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.094615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.099457]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.104499]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.109558]  ? task_prio+0x50/0x50
[  402.113099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.118636]  ? check_preemption_disabled+0x48/0x280
[  402.123662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.128512]  apic_timer_interrupt+0xf/0x20
[  402.132739]  </IRQ>
[  402.134983] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  402.139922] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  402.158906] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  402.166613] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  402.173881] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  402.181150] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  402.188426] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  402.195857] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  402.203162]  skb_clone+0x1bb/0x500
[  402.206710]  ? skb_split+0x11e0/0x11e0
[  402.210605]  ? preempt_notifier_register+0x200/0x200
[  402.215704]  ? __switch_to_asm+0x34/0x70
[  402.219764]  ? __switch_to_asm+0x34/0x70
[  402.223826]  ? __switch_to_asm+0x40/0x70
[  402.227885]  ? __switch_to_asm+0x34/0x70
[  402.231945]  ? __switch_to_asm+0x40/0x70
[  402.236005]  ? __switch_to_asm+0x40/0x70
[  402.240079]  ? __switch_to_asm+0x34/0x70
[  402.244136]  ? __switch_to_asm+0x34/0x70
[  402.248195]  ? __switch_to_asm+0x40/0x70
[  402.252255]  ? __switch_to_asm+0x34/0x70
[  402.256321]  bpf_clone_redirect+0xb9/0x490
[  402.260568]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  402.265586]  ? __sched_text_start+0x8/0x8
[  402.269737]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  402.274510]  ? find_held_lock+0x36/0x1c0
[  402.278590]  ? lock_acquire+0x1ed/0x520
[  402.282566]  ? bpf_test_run+0x3ee/0x7a0
[  402.286544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.292105]  ? check_preemption_disabled+0x48/0x280
[  402.297126]  ? kasan_check_read+0x11/0x20
[  402.301288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.306591]  ? rcu_softirq_qs+0x20/0x20
[  402.310571]  ? preempt_schedule+0x4d/0x60
[  402.314718]  ? ___preempt_schedule+0x16/0x18
[  402.319137]  ? bpf_test_run+0x271/0x7a0
[  402.323124]  ? netlink_diag_dump+0x2a0/0x2a0
[  402.327540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.333077]  ? bpf_test_init.isra.10+0x70/0x100
[  402.337753]  ? bpf_prog_test_run_skb+0x762/0xd60
[  402.342521]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.347371]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.352924]  ? fput+0x130/0x1a0
[  402.356217]  ? __bpf_prog_get+0x9b/0x290
[  402.360285]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.365126]  ? bpf_prog_test_run+0x130/0x1a0
[  402.369541]  ? __x64_sys_bpf+0x3d8/0x520
[  402.373603]  ? bpf_prog_get+0x20/0x20
[  402.377437]  ? do_syscall_64+0x1b9/0x820
[  402.381515]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  402.386881]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.391808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.396658]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.401674]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.406692]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.411718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.416568]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  402.421979] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  402.422049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.428909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.435493] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.444743] Call Trace:
[  402.455212] syz-executor2 cpuset=syz2 mems_allowed=0
[  402.457790]  dump_stack+0x244/0x39d
[  402.466526]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.471717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.477269]  warn_alloc.cold.116+0xb7/0x1bd
[  402.481593]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.486454]  ? lock_downgrade+0x900/0x900
[  402.490624]  ? trace_hardirqs_off+0xb8/0x310
[  402.495036]  ? trace_hardirqs_off+0xb8/0x310
[  402.499480]  __alloc_pages_slowpath+0x2651/0x2de0
[  402.504352]  ? warn_alloc+0x120/0x120
[  402.508172]  ? print_usage_bug+0xc0/0xc0
[  402.512234]  ? warn_alloc+0x120/0x120
[  402.516040]  ? warn_alloc+0x120/0x120
[  402.519858]  ? print_usage_bug+0xc0/0xc0
[  402.523942]  ? print_usage_bug+0xc0/0xc0
[  402.528004]  ? __lock_acquire+0x62f/0x4c20
[  402.532246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.537782]  ? should_fail+0x22d/0xd01
[  402.541675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.546778]  ? __lock_acquire+0x62f/0x4c20
[  402.551020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.556131]  ? __lock_acquire+0x62f/0x4c20
[  402.560382]  ? should_fail+0x22d/0xd01
[  402.564277]  ? find_held_lock+0x36/0x1c0
[  402.568348]  ? mark_held_locks+0x130/0x130
[  402.572587]  ? mark_held_locks+0x130/0x130
[  402.576819]  ? zap_class+0x640/0x640
[  402.580539]  ? mark_held_locks+0xc7/0x130
[  402.584686]  ? do_raw_spin_unlock+0xa7/0x330
[  402.589097]  ? zap_class+0x640/0x640
[  402.592836]  ? print_usage_bug+0xc0/0xc0
[  402.596906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.602457]  ? check_preemption_disabled+0x48/0x280
[  402.607483]  ? __lock_is_held+0xb5/0x140
[  402.611551]  __alloc_pages_nodemask+0xad8/0xea0
[  402.616225]  ? zap_class+0x640/0x640
[  402.619974]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  402.625001]  ? find_held_lock+0x36/0x1c0
[  402.629078]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.633747]  ? lock_downgrade+0x900/0x900
[  402.637923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.643485]  cache_grow_begin+0xa5/0x8c0
[  402.647546]  ? do_raw_spin_unlock+0xa7/0x330
[  402.651975]  fallback_alloc+0x204/0x2e0
[  402.655970]  ____cache_alloc_node+0x1c7/0x1e0
[  402.660483]  kmem_cache_alloc_node+0xe3/0x730
[  402.664978]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.669226]  __alloc_skb+0x119/0x770
[  402.672939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.678224]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.682631]  ? lock_downgrade+0x900/0x900
[  402.686786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.692324]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.697777]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.703241]  ? addrconf_rs_timer+0x690/0x690
[  402.707664]  ndisc_alloc_skb+0x144/0x340
[  402.711731]  ndisc_send_rs+0x331/0x6e0
[  402.715642]  addrconf_rs_timer+0x314/0x690
[  402.719881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.724135]  call_timer_fn+0x272/0x920
[  402.728026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.732262]  ? process_timeout+0x40/0x40
[  402.736331]  ? __run_timers+0x7da/0xc70
[  402.740320]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.744828]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.749326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.753563]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.758167]  ? trace_hardirqs_on+0xbd/0x310
[  402.762524]  ? kasan_check_read+0x11/0x20
[  402.766671]  ? __run_timers+0x7da/0xc70
[  402.770650]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.775759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.780001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.784237]  __run_timers+0x7e5/0xc70
[  402.788053]  ? timer_fixup_init+0x70/0x70
[  402.792206]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.796701]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.801197]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.805785]  ? trace_hardirqs_on+0xbd/0x310
[  402.810100]  ? kasan_check_read+0x11/0x20
[  402.814246]  ? finish_task_switch+0x1f4/0x910
[  402.818742]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.823843]  ? compat_start_thread+0x80/0x80
[  402.828277]  ? pvclock_read_flags+0x160/0x160
[  402.832769]  ? __switch_to_asm+0x34/0x70
[  402.836833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.842424]  ? check_preemption_disabled+0x48/0x280
[  402.847482]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  402.853021]  ? rcu_pm_notify+0xc0/0xc0
[  402.856922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.862463]  ? check_preemption_disabled+0x48/0x280
[  402.867514]  run_timer_softirq+0x52/0xb0
[  402.871590]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.876606]  __do_softirq+0x308/0xb7e
[  402.880414]  ? retint_kernel+0x2d/0x2d
[  402.884305]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.889413]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.894863]  ? retint_kernel+0x2d/0x2d
[  402.898757]  ? schedule+0x108/0x460
[  402.902419]  ? trace_hardirqs_off+0xb8/0x310
[  402.906830]  ? smpboot_thread_fn+0x68b/0xa00
[  402.911244]  ? trace_hardirqs_on+0x310/0x310
[  402.915655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.921192]  ? check_preemption_disabled+0x48/0x280
[  402.926224]  ? takeover_tasklets+0xa90/0xa90
[  402.930637]  run_ksoftirqd+0x5e/0x100
[  402.934440]  smpboot_thread_fn+0x68b/0xa00
[  402.938691]  ? sort_range+0x30/0x30
[  402.942335]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.947440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.952993]  ? __kthread_parkme+0xfb/0x1a0
[  402.957248]  ? sort_range+0x30/0x30
[  402.960888]  kthread+0x35a/0x440
[  402.964262]  ? kthread_stop+0x900/0x900
[  402.968240]  ret_from_fork+0x3a/0x50
[  402.971974] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  402.971980] warn_alloc_show_mem: 1 callbacks suppressed
[  402.971987] Mem-Info:
[  402.979342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.984711] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  402.984711]  active_file:133 inactive_file:117 isolated_file:0
[  402.984711]  unevictable:0 dirty:3 writeback:0 unstable:0
[  402.984711]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  402.984711]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  402.984711]  free:13727 free_pcp:164 free_cma:0
[  402.987080] Call Trace:
[  402.996442] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  402.996477] 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
[  403.029690]  <IRQ>
[  403.032261] lowmem_reserve[]: 0 2818 6321 6321
[  403.060444]  dump_stack+0x244/0x39d
[  403.086532] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  403.088676]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.093234] lowmem_reserve[]: 0 0 3503 3503
[  403.096869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.124428] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  403.129619]  warn_alloc.cold.116+0xb7/0x1bd
[  403.133929] lowmem_reserve[]: 0 0 0 0
[  403.139485]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.168693] 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
[  403.173037]  ? lock_downgrade+0x900/0x900
[  403.176830] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  403.181685]  ? trace_hardirqs_off+0xb8/0x310
[  403.195197] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  403.199347]  ? trace_hardirqs_off+0xb8/0x310
[  403.214673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.219074]  __alloc_pages_slowpath+0x2651/0x2de0
[  403.232574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.236987]  ? warn_alloc+0x120/0x120
[  403.245779] 2220 total pagecache pages
[  403.250618]  ? print_usage_bug+0xc0/0xc0
[  403.259171] 0 pages in swap cache
[  403.262956]  ? warn_alloc+0x120/0x120
[  403.266824] Swap cache stats: add 0, delete 0, find 0/0
[  403.270876]  ? warn_alloc+0x120/0x120
[  403.274306] Free swap  = 0kB
[  403.278098]  ? print_usage_bug+0xc0/0xc0
[  403.283440] Total swap = 0kB
[  403.287231]  ? kvm_clock_read+0x18/0x30
[  403.290227] 1965979 pages RAM
[  403.294280]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.297277] 0 pages HighMem/MovableOnly
[  403.301248]  ? print_usage_bug+0xc0/0xc0
[  403.304330] 342854 pages reserved
[  403.309337]  ? __lock_acquire+0x62f/0x4c20
[  403.313286] 0 pages cma reserved
[  403.317342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.320842] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.325002]  ? should_fail+0x22d/0xd01
[  403.328697] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.333864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.333884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.340594] ksoftirqd/1 cpuset=/ mems_allowed=0
[  403.344489]  ? __lock_acquire+0x62f/0x4c20
[  403.344509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.379246]  ? __lock_acquire+0x62f/0x4c20
[  403.383484]  ? should_fail+0x22d/0xd01
[  403.387373]  ? rcu_irq_exit+0x1a2/0x390
[  403.391374]  ? mark_held_locks+0x130/0x130
[  403.395625]  ? mark_held_locks+0x130/0x130
[  403.399867]  ? mark_held_locks+0xc7/0x130
[  403.404020]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  403.409036]  ? zap_class+0x640/0x640
[  403.412749]  ? print_usage_bug+0xc0/0xc0
[  403.416817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.422361]  ? check_preemption_disabled+0x48/0x280
[  403.427402]  ? __lock_is_held+0xb5/0x140
[  403.431481]  __alloc_pages_nodemask+0xad8/0xea0
[  403.436153]  ? zap_class+0x640/0x640
[  403.439875]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  403.444918]  ? find_held_lock+0x36/0x1c0
[  403.448993]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.453676]  ? lock_downgrade+0x900/0x900
[  403.457850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.463404]  cache_grow_begin+0xa5/0x8c0
[  403.467489]  ? do_raw_spin_unlock+0xa7/0x330
[  403.471915]  fallback_alloc+0x204/0x2e0
[  403.475902]  ____cache_alloc_node+0x1c7/0x1e0
[  403.480434]  kmem_cache_alloc_node+0xe3/0x730
[  403.484948]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.489196]  __alloc_skb+0x119/0x770
[  403.492907]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.498190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.502600]  ? lock_downgrade+0x900/0x900
[  403.506755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.512298]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.517756]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.523209]  ? addrconf_rs_timer+0x690/0x690
[  403.527630]  ndisc_alloc_skb+0x144/0x340
[  403.531695]  ndisc_send_rs+0x331/0x6e0
[  403.535591]  addrconf_rs_timer+0x314/0x690
[  403.539839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.544097]  call_timer_fn+0x272/0x920
[  403.547987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.552221]  ? process_timeout+0x40/0x40
[  403.556289]  ? __run_timers+0x7da/0xc70
[  403.560268]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.564767]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.569264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.573504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.578121]  ? trace_hardirqs_on+0xbd/0x310
[  403.582443]  ? kasan_check_read+0x11/0x20
[  403.586594]  ? __run_timers+0x7da/0xc70
[  403.590571]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.595690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.599952]  __run_timers+0x7e5/0xc70
[  403.603779]  ? timer_fixup_init+0x70/0x70
[  403.607949]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.612979]  ? zap_class+0x640/0x640
[  403.616698]  ? enqueue_hrtimer+0x1a5/0x560
[  403.620935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.626132]  ? find_held_lock+0x36/0x1c0
[  403.630202]  ? zap_class+0x640/0x640
[  403.633923]  ? pvclock_read_flags+0x160/0x160
[  403.638431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.643973]  ? check_preemption_disabled+0x48/0x280
[  403.649016]  ? __lock_is_held+0xb5/0x140
[  403.653080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.658617]  ? check_preemption_disabled+0x48/0x280
[  403.663639]  run_timer_softirq+0x52/0xb0
[  403.667705]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.672725]  __do_softirq+0x308/0xb7e
[  403.676534]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.681030]  ? lock_downgrade+0x900/0x900
[  403.685184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.690293]  ? pvclock_read_flags+0x160/0x160
[  403.694794]  ? lapic_next_event+0x5a/0x90
[  403.698958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.704504]  ? kvm_clock_read+0x18/0x30
[  403.708491]  ? kvm_sched_clock_read+0x9/0x20
[  403.712902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.718447]  ? check_preemption_disabled+0x48/0x280
[  403.723475]  irq_exit+0x17f/0x1c0
[  403.726929]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.731771]  ? smp_reschedule_interrupt+0x109/0x650
[  403.736793]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.742680]  ? interrupt_entry+0xb5/0xc0
[  403.746745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.751760]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.756778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.761623]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.766644]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.771662]  ? task_prio+0x50/0x50
[  403.775207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.780747]  ? check_preemption_disabled+0x48/0x280
[  403.785769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.790620]  apic_timer_interrupt+0xf/0x20
[  403.794847]  </IRQ>
[  403.797087] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  403.802052] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  403.820978] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  403.828688] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.835954] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  403.843243] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  403.850523] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  403.857792] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  403.865127]  skb_clone+0x1bb/0x500
[  403.868670]  ? skb_split+0x11e0/0x11e0
[  403.872565]  ? preempt_notifier_register+0x200/0x200
[  403.877665]  ? __switch_to_asm+0x34/0x70
[  403.881723]  ? __switch_to_asm+0x34/0x70
[  403.885781]  ? __switch_to_asm+0x40/0x70
[  403.889840]  ? __switch_to_asm+0x34/0x70
[  403.893897]  ? __switch_to_asm+0x40/0x70
[  403.897967]  ? __switch_to_asm+0x40/0x70
[  403.902021]  ? __switch_to_asm+0x34/0x70
[  403.906085]  ? __switch_to_asm+0x34/0x70
[  403.910142]  ? __switch_to_asm+0x40/0x70
[  403.914197]  ? __switch_to_asm+0x34/0x70
[  403.918304]  bpf_clone_redirect+0xb9/0x490
[  403.922552]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  403.927576]  ? __sched_text_start+0x8/0x8
[  403.931725]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  403.936510]  ? find_held_lock+0x36/0x1c0
[  403.940582]  ? lock_acquire+0x1ed/0x520
[  403.944563]  ? bpf_test_run+0x3ee/0x7a0
[  403.948540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.954082]  ? check_preemption_disabled+0x48/0x280
[  403.959104]  ? kasan_check_read+0x11/0x20
[  403.963257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.968538]  ? rcu_softirq_qs+0x20/0x20
[  403.972516]  ? preempt_schedule+0x4d/0x60
[  403.976665]  ? ___preempt_schedule+0x16/0x18
[  403.981107]  ? bpf_test_run+0x271/0x7a0
[  403.985094]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.989507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.995044]  ? bpf_test_init.isra.10+0x70/0x100
[  403.999719]  ? bpf_prog_test_run_skb+0x762/0xd60
[  404.004486]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.009337]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.014871]  ? fput+0x130/0x1a0
[  404.018159]  ? __bpf_prog_get+0x9b/0x290
[  404.022223]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.027070]  ? bpf_prog_test_run+0x130/0x1a0
[  404.031485]  ? __x64_sys_bpf+0x3d8/0x520
[  404.035546]  ? bpf_prog_get+0x20/0x20
[  404.039365]  ? do_syscall_64+0x1b9/0x820
[  404.043465]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  404.048829]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.053763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.058608]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.063628]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  404.068650]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.073672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.078540]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  404.083957] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  404.084029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.090887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.090892] Call Trace:
[  404.090916]  dump_stack+0x244/0x39d
[  404.090937]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.097480] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.106768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.109341] syz-executor2 cpuset=syz2 mems_allowed=0
[  404.112964]  warn_alloc.cold.116+0xb7/0x1bd
[  404.143520]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.148368]  ? lock_downgrade+0x900/0x900
[  404.152531]  ? trace_hardirqs_off+0xb8/0x310
[  404.156956]  ? trace_hardirqs_off+0xb8/0x310
[  404.161383]  __alloc_pages_slowpath+0x2651/0x2de0
[  404.166265]  ? warn_alloc+0x120/0x120
[  404.170103]  ? warn_alloc+0x120/0x120
[  404.173941]  ? __bfs+0xb0/0x780
[  404.177222]  ? warn_alloc+0x120/0x120
[  404.181023]  ? print_usage_bug+0xc0/0xc0
[  404.185100]  ? lockdep_on+0x50/0x50
[  404.188743]  ? print_bfs_bug+0x80/0x80
[  404.193114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.198651]  ? should_fail+0x22d/0xd01
[  404.202546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.207650]  ? __lock_acquire+0x62f/0x4c20
[  404.211892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.217002]  ? __lock_acquire+0x2aff/0x4c20
[  404.221326]  ? should_fail+0x22d/0xd01
[  404.225226]  ? mark_held_locks+0x130/0x130
[  404.229468]  ? mark_held_locks+0x130/0x130
[  404.233710]  ? zap_class+0x640/0x640
[  404.237429]  ? zap_class+0x640/0x640
[  404.241150]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  404.247053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.252623]  ? check_preemption_disabled+0x48/0x280
[  404.257653]  ? __lock_is_held+0xb5/0x140
[  404.261752]  __alloc_pages_nodemask+0xad8/0xea0
[  404.266424]  ? zap_class+0x640/0x640
[  404.270146]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  404.275181]  ? find_held_lock+0x36/0x1c0
[  404.279254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.283946]  ? lock_downgrade+0x900/0x900
[  404.288134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.293676]  cache_grow_begin+0xa5/0x8c0
[  404.297740]  ? do_raw_spin_unlock+0xa7/0x330
[  404.302161]  fallback_alloc+0x204/0x2e0
[  404.306144]  ____cache_alloc_node+0x1c7/0x1e0
[  404.310647]  kmem_cache_alloc_node+0xe3/0x730
[  404.315145]  ? mark_held_locks+0xc7/0x130
[  404.319308]  __alloc_skb+0x119/0x770
[  404.323034]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.327445]  ? do_raw_spin_trylock+0x270/0x270
[  404.332029]  ? kmem_cache_alloc_trace+0x353/0x750
[  404.336890]  ? queue_work_on+0x12c/0x1e0
[  404.340963]  ? switchdev_port_obj_del+0xdc/0x440
[  404.345724]  ? switchdev_trans_item_enqueue+0x260/0x260
[  404.351096]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.356121]  __br_mdb_notify+0x4ff/0x15d0
[  404.360275]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.365402]  ? __br_mdb_add+0x7f0/0x7f0
[  404.369399]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.374512]  ? debug_object_assert_init+0x368/0x4b0
[  404.379537]  ? debug_object_init_on_stack+0x20/0x20
[  404.384561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.390107]  br_mdb_notify+0x310/0x410
[  404.393998]  ? br_mdb_dump+0x27b0/0x27b0
[  404.398076]  br_multicast_del_pg+0x3df/0x790
[  404.402494]  ? br_mdb_ip_get+0x940/0x940
[  404.406559]  ? rwlock_bug.part.2+0x90/0x90
[  404.410840]  ? __lock_is_held+0xb5/0x140
[  404.414933]  br_multicast_port_group_expired+0x189/0x1e0
[  404.420397]  call_timer_fn+0x272/0x920
[  404.424287]  ? br_multicast_del_pg+0x790/0x790
[  404.428869]  ? process_timeout+0x40/0x40
[  404.432941]  ? __run_timers+0x7da/0xc70
[  404.436924]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.441434]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.445960]  ? br_multicast_del_pg+0x790/0x790
[  404.450555]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.455139]  ? trace_hardirqs_on+0xbd/0x310
[  404.459461]  ? kasan_check_read+0x11/0x20
[  404.463624]  ? __run_timers+0x7da/0xc70
[  404.467600]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.472711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.476959]  ? br_multicast_del_pg+0x790/0x790
[  404.481546]  __run_timers+0x7e5/0xc70
[  404.485357]  ? timer_fixup_init+0x70/0x70
[  404.489515]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.494008]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.498506]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.503092]  ? trace_hardirqs_on+0xbd/0x310
[  404.507420]  ? kasan_check_read+0x11/0x20
[  404.511578]  ? finish_task_switch+0x1f4/0x910
[  404.516075]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.521177]  ? compat_start_thread+0x80/0x80
[  404.525607]  ? pvclock_read_flags+0x160/0x160
[  404.530104]  ? __switch_to_asm+0x34/0x70
[  404.534168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.539710]  ? check_preemption_disabled+0x48/0x280
[  404.544740]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  404.550280]  ? rcu_pm_notify+0xc0/0xc0
[  404.554171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.559709]  ? check_preemption_disabled+0x48/0x280
[  404.564733]  run_timer_softirq+0x52/0xb0
[  404.568796]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.573815]  __do_softirq+0x308/0xb7e
[  404.577620]  ? retint_kernel+0x2d/0x2d
[  404.581512]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.586615]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.592076]  ? retint_kernel+0x2d/0x2d
[  404.595960]  ? schedule+0x108/0x460
[  404.599599]  ? trace_hardirqs_off+0xb8/0x310
[  404.604007]  ? smpboot_thread_fn+0x68b/0xa00
[  404.608423]  ? trace_hardirqs_on+0x310/0x310
[  404.612849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.618397]  ? check_preemption_disabled+0x48/0x280
[  404.623422]  ? takeover_tasklets+0xa90/0xa90
[  404.627834]  run_ksoftirqd+0x5e/0x100
[  404.631633]  smpboot_thread_fn+0x68b/0xa00
[  404.635877]  ? sort_range+0x30/0x30
[  404.639509]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.644616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.650177]  ? __kthread_parkme+0xfb/0x1a0
[  404.654422]  ? sort_range+0x30/0x30
[  404.658054]  kthread+0x35a/0x440
[  404.661478]  ? kthread_stop+0x900/0x900
[  404.665481]  ret_from_fork+0x3a/0x50
[  404.669246] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  404.669263] warn_alloc_show_mem: 1 callbacks suppressed
[  404.669267] Mem-Info:
[  404.676616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.681987] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  404.681987]  active_file:133 inactive_file:117 isolated_file:0
[  404.681987]  unevictable:0 dirty:3 writeback:0 unstable:0
[  404.681987]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  404.681987]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  404.681987]  free:13727 free_pcp:164 free_cma:0
[  404.684362] Call Trace:
[  404.693754] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  404.726943]  <IRQ>
[  404.729512] 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
[  404.757268]  dump_stack+0x244/0x39d
[  404.759399] lowmem_reserve[]: 0 2818 6321 6321
[  404.785511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.789111] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  404.793687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.798864] lowmem_reserve[]: 0 0 3503 3503
[  404.826447]  warn_alloc.cold.116+0xb7/0x1bd
[  404.831955] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  404.836274]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.840570] lowmem_reserve[]: 0 0 0 0
[  404.869798]  ? lock_downgrade+0x900/0x900
[  404.874614] 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
[  404.878424]  ? trace_hardirqs_off+0xb8/0x310
[  404.882538] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  404.896060]  ? trace_hardirqs_off+0xb8/0x310
[  404.900446] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  404.915791]  __alloc_pages_slowpath+0x2651/0x2de0
[  404.920178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.933710]  ? warn_alloc+0x120/0x120
[  404.938513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.947335]  ? print_usage_bug+0xc0/0xc0
[  404.951113] 2220 total pagecache pages
[  404.959680]  ? warn_alloc+0x120/0x120
[  404.963742] 0 pages in swap cache
[  404.967613]  ? warn_alloc+0x120/0x120
[  404.971387] Swap cache stats: add 0, delete 0, find 0/0
[  404.971405] Free swap  = 0kB
[  404.974861]  ? print_usage_bug+0xc0/0xc0
[  404.978636] Total swap = 0kB
[  404.983994]  ? print_usage_bug+0xc0/0xc0
[  404.986987] 1965979 pages RAM
[  404.991045]  ? __lock_acquire+0x62f/0x4c20
[  404.994039] 0 pages HighMem/MovableOnly
[  404.998095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.001190] 342854 pages reserved
[  405.005437]  ? should_fail+0x22d/0xd01
[  405.009396] 0 pages cma reserved
[  405.014935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.019191] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.022244]  ? __lock_acquire+0x62f/0x4c20
[  405.025588] ksoftirqd/1 cpuset=/ mems_allowed=0
[  405.030686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.054936]  ? __lock_acquire+0x62f/0x4c20
[  405.059176]  ? should_fail+0x22d/0xd01
[  405.063603]  ? find_held_lock+0x36/0x1c0
[  405.067677]  ? mark_held_locks+0x130/0x130
[  405.071917]  ? mark_held_locks+0x130/0x130
[  405.076151]  ? zap_class+0x640/0x640
[  405.079881]  ? zap_class+0x640/0x640
[  405.083625]  ? print_usage_bug+0xc0/0xc0
[  405.087687]  ? do_raw_spin_unlock+0xa7/0x330
[  405.092099]  ? zap_class+0x640/0x640
[  405.095817]  ? print_usage_bug+0xc0/0xc0
[  405.099876]  ? wq_watchdog_touch+0x9c/0xfe
[  405.104114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.109653]  ? check_preemption_disabled+0x48/0x280
[  405.114678]  ? __lock_is_held+0xb5/0x140
[  405.118747]  __alloc_pages_nodemask+0xad8/0xea0
[  405.123426]  ? zap_class+0x640/0x640
[  405.127144]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  405.132172]  ? find_held_lock+0x36/0x1c0
[  405.136246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.140931]  ? lock_downgrade+0x900/0x900
[  405.145086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.150630]  cache_grow_begin+0xa5/0x8c0
[  405.154690]  ? do_raw_spin_unlock+0xa7/0x330
[  405.159107]  fallback_alloc+0x204/0x2e0
[  405.163100]  ____cache_alloc_node+0x1c7/0x1e0
[  405.167601]  kmem_cache_alloc_node+0xe3/0x730
[  405.172096]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.176346]  __alloc_skb+0x119/0x770
[  405.180079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.185379]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.189802]  ? lock_downgrade+0x900/0x900
[  405.193957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.199497]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.204955]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.210421]  ? addrconf_rs_timer+0x690/0x690
[  405.214847]  ndisc_alloc_skb+0x144/0x340
[  405.218913]  ndisc_send_rs+0x331/0x6e0
[  405.222810]  addrconf_rs_timer+0x314/0x690
[  405.227052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.231296]  call_timer_fn+0x272/0x920
[  405.235188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.239434]  ? process_timeout+0x40/0x40
[  405.243505]  ? __run_timers+0x7da/0xc70
[  405.247497]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.251989]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.256482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.260717]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.265305]  ? trace_hardirqs_on+0xbd/0x310
[  405.269630]  ? kasan_check_read+0x11/0x20
[  405.273775]  ? __run_timers+0x7da/0xc70
[  405.277754]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.282897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.287130]  __run_timers+0x7e5/0xc70
[  405.290943]  ? timer_fixup_init+0x70/0x70
[  405.295096]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.300114]  ? zap_class+0x640/0x640
[  405.303875]  ? enqueue_hrtimer+0x1a5/0x560
[  405.308108]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.313322]  ? find_held_lock+0x36/0x1c0
[  405.317396]  ? zap_class+0x640/0x640
[  405.321121]  ? pvclock_read_flags+0x160/0x160
[  405.325620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.331164]  ? check_preemption_disabled+0x48/0x280
[  405.336212]  ? __lock_is_held+0xb5/0x140
[  405.340276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.345813]  ? check_preemption_disabled+0x48/0x280
[  405.350850]  run_timer_softirq+0x52/0xb0
[  405.354912]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.359962]  __do_softirq+0x308/0xb7e
[  405.363767]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.368266]  ? lock_downgrade+0x900/0x900
[  405.372432]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.377547]  ? pvclock_read_flags+0x160/0x160
[  405.382048]  ? lapic_next_event+0x5a/0x90
[  405.386197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.391737]  ? kvm_clock_read+0x18/0x30
[  405.395710]  ? kvm_sched_clock_read+0x9/0x20
[  405.400119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.405662]  ? check_preemption_disabled+0x48/0x280
[  405.410691]  irq_exit+0x17f/0x1c0
[  405.414158]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.419002]  ? smp_reschedule_interrupt+0x109/0x650
[  405.424018]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.429904]  ? interrupt_entry+0xb5/0xc0
[  405.433968]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.438987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.444038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.448903]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.453917]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.458936]  ? task_prio+0x50/0x50
[  405.462477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.468016]  ? check_preemption_disabled+0x48/0x280
[  405.473041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.477894]  apic_timer_interrupt+0xf/0x20
[  405.482127]  </IRQ>
[  405.484368] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.489305] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  405.508202] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  405.515911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.523222] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  405.530509] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  405.537776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.545073] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  405.552374]  skb_clone+0x1bb/0x500
[  405.555927]  ? skb_split+0x11e0/0x11e0
[  405.559831]  ? preempt_notifier_register+0x200/0x200
[  405.564931]  ? __switch_to_asm+0x34/0x70
[  405.569006]  ? __switch_to_asm+0x34/0x70
[  405.573063]  ? __switch_to_asm+0x40/0x70
[  405.577119]  ? __switch_to_asm+0x34/0x70
[  405.581178]  ? __switch_to_asm+0x40/0x70
[  405.585241]  ? __switch_to_asm+0x40/0x70
[  405.589303]  ? __switch_to_asm+0x34/0x70
[  405.593366]  ? __switch_to_asm+0x34/0x70
[  405.597438]  ? __switch_to_asm+0x40/0x70
[  405.601496]  ? __switch_to_asm+0x34/0x70
[  405.605560]  bpf_clone_redirect+0xb9/0x490
[  405.609806]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  405.614830]  ? __sched_text_start+0x8/0x8
[  405.618992]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.623777]  ? find_held_lock+0x36/0x1c0
[  405.627862]  ? lock_acquire+0x1ed/0x520
[  405.631851]  ? bpf_test_run+0x3ee/0x7a0
[  405.635848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.641410]  ? check_preemption_disabled+0x48/0x280
[  405.646448]  ? kasan_check_read+0x11/0x20
[  405.650596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.655873]  ? rcu_softirq_qs+0x20/0x20
[  405.659865]  ? preempt_schedule+0x4d/0x60
[  405.664028]  ? ___preempt_schedule+0x16/0x18
[  405.668464]  ? bpf_test_run+0x271/0x7a0
[  405.672455]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.676872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.682444]  ? bpf_test_init.isra.10+0x70/0x100
[  405.687119]  ? bpf_prog_test_run_skb+0x762/0xd60
[  405.691888]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.696738]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.702278]  ? fput+0x130/0x1a0
[  405.705571]  ? __bpf_prog_get+0x9b/0x290
[  405.709640]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.714484]  ? bpf_prog_test_run+0x130/0x1a0
[  405.718896]  ? __x64_sys_bpf+0x3d8/0x520
[  405.722971]  ? bpf_prog_get+0x20/0x20
[  405.726804]  ? do_syscall_64+0x1b9/0x820
[  405.730863]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.736231]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.741165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.746014]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.751049]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.756084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.761137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.765990]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.771373] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  405.771457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.778308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.778317] Call Trace:
[  405.784893] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.794162]  dump_stack+0x244/0x39d
[  405.796724] syz-executor2 cpuset=syz2 mems_allowed=0
[  405.807204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.821085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.826658]  warn_alloc.cold.116+0xb7/0x1bd
[  405.830983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.835832]  ? lock_downgrade+0x900/0x900
[  405.839988]  ? trace_hardirqs_off+0xb8/0x310
[  405.844414]  ? trace_hardirqs_off+0xb8/0x310
[  405.848832]  __alloc_pages_slowpath+0x2651/0x2de0
[  405.853704]  ? warn_alloc+0x120/0x120
[  405.857526]  ? warn_alloc+0x120/0x120
[  405.861331]  ? warn_alloc+0x120/0x120
[  405.865139]  ? print_usage_bug+0xc0/0xc0
[  405.869210]  ? print_usage_bug+0xc0/0xc0
[  405.873278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.878832]  ? should_fail+0x22d/0xd01
[  405.882720]  ? lockdep_on+0x50/0x50
[  405.886351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.891470]  ? __lock_acquire+0x62f/0x4c20
[  405.895715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.900819]  ? __lock_acquire+0x62f/0x4c20
[  405.905049]  ? should_fail+0x22d/0xd01
[  405.908940]  ? kasan_check_read+0x11/0x20
[  405.913102]  ? mark_held_locks+0x130/0x130
[  405.917373]  ? mark_held_locks+0x130/0x130
[  405.921622]  ? zap_class+0x640/0x640
[  405.925336]  ? ret_from_fork+0x3a/0x50
[  405.929228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.934769]  ? check_preemption_disabled+0x48/0x280
[  405.939797]  ? __lock_is_held+0xb5/0x140
[  405.943867]  __alloc_pages_nodemask+0xad8/0xea0
[  405.948539]  ? zap_class+0x640/0x640
[  405.952259]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  405.957289]  ? find_held_lock+0x36/0x1c0
[  405.961358]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.966034]  ? lock_downgrade+0x900/0x900
[  405.970190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.975732]  cache_grow_begin+0xa5/0x8c0
[  405.979808]  ? do_raw_spin_unlock+0xa7/0x330
[  405.984227]  fallback_alloc+0x204/0x2e0
[  405.988223]  ____cache_alloc_node+0x1c7/0x1e0
[  405.992739]  kmem_cache_alloc_node+0xe3/0x730
[  405.997238]  ? mark_held_locks+0xc7/0x130
[  406.001408]  __alloc_skb+0x119/0x770
[  406.005129]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.009538]  ? do_raw_spin_trylock+0x270/0x270
[  406.014121]  ? kmem_cache_alloc_trace+0x353/0x750
[  406.018979]  ? queue_work_on+0x12c/0x1e0
[  406.023046]  ? switchdev_port_obj_del+0xdc/0x440
[  406.027805]  ? switchdev_trans_item_enqueue+0x260/0x260
[  406.033190]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.038228]  __br_mdb_notify+0x4ff/0x15d0
[  406.042396]  ? __br_mdb_add+0x7f0/0x7f0
[  406.046384]  ? zap_class+0x640/0x640
[  406.050119]  ? br_multicast_group_expired+0x96/0x610
[  406.055230]  br_mdb_notify+0x310/0x410
[  406.059118]  ? br_mdb_dump+0x27b0/0x27b0
[  406.063189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.068740]  br_multicast_group_expired+0x1bc/0x610
[  406.073764]  ? br_mdb_free+0x80/0x80
[  406.077491]  call_timer_fn+0x272/0x920
[  406.081380]  ? br_mdb_free+0x80/0x80
[  406.085101]  ? process_timeout+0x40/0x40
[  406.089183]  ? __run_timers+0x7da/0xc70
[  406.093156]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.097649]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.102142]  ? br_mdb_free+0x80/0x80
[  406.105859]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.110462]  ? trace_hardirqs_on+0xbd/0x310
[  406.114808]  ? kasan_check_read+0x11/0x20
[  406.118957]  ? __run_timers+0x7da/0xc70
[  406.122937]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.128050]  ? br_multicast_del_pg+0x790/0x790
[  406.132644]  ? br_mdb_free+0x80/0x80
[  406.136354]  __run_timers+0x7e5/0xc70
[  406.140165]  ? timer_fixup_init+0x70/0x70
[  406.144312]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.148808]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.153304]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.157886]  ? trace_hardirqs_on+0xbd/0x310
[  406.162209]  ? kasan_check_read+0x11/0x20
[  406.166361]  ? finish_task_switch+0x1f4/0x910
[  406.170904]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.176017]  ? compat_start_thread+0x80/0x80
[  406.180450]  ? pvclock_read_flags+0x160/0x160
[  406.184945]  ? __switch_to_asm+0x34/0x70
[  406.189024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.195064]  ? check_preemption_disabled+0x48/0x280
[  406.200093]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  406.205631]  ? rcu_pm_notify+0xc0/0xc0
[  406.209522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.215062]  ? check_preemption_disabled+0x48/0x280
[  406.220085]  run_timer_softirq+0x52/0xb0
[  406.224150]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.229169]  __do_softirq+0x308/0xb7e
[  406.232974]  ? retint_kernel+0x2d/0x2d
[  406.236865]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.241969]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.247437]  ? retint_kernel+0x2d/0x2d
[  406.251332]  ? schedule+0x108/0x460
[  406.254970]  ? trace_hardirqs_off+0xb8/0x310
[  406.259377]  ? smpboot_thread_fn+0x68b/0xa00
[  406.263794]  ? trace_hardirqs_on+0x310/0x310
[  406.268220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.273759]  ? check_preemption_disabled+0x48/0x280
[  406.278778]  ? takeover_tasklets+0xa90/0xa90
[  406.283188]  run_ksoftirqd+0x5e/0x100
[  406.287006]  smpboot_thread_fn+0x68b/0xa00
[  406.291247]  ? sort_range+0x30/0x30
[  406.294887]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.299997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.305537]  ? __kthread_parkme+0xfb/0x1a0
[  406.309790]  ? sort_range+0x30/0x30
[  406.313426]  kthread+0x35a/0x440
[  406.316798]  ? kthread_stop+0x900/0x900
[  406.320776]  ret_from_fork+0x3a/0x50
[  406.324523] warn_alloc_show_mem: 1 callbacks suppressed
[  406.324536] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  406.324537] Mem-Info:
[  406.324570] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  406.324570]  active_file:133 inactive_file:117 isolated_file:0
[  406.324570]  unevictable:0 dirty:3 writeback:0 unstable:0
[  406.324570]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  406.324570]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  406.324570]  free:13727 free_pcp:164 free_cma:0
[  406.329905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.337290] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  406.339692] Call Trace:
[  406.372919] 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
[  406.382260]  <IRQ>
[  406.410002] lowmem_reserve[]: 0 2818 6321 6321
[  406.412583]  dump_stack+0x244/0x39d
[  406.438669] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  406.440813]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.445369] lowmem_reserve[]: 0 0 3503 3503
[  406.448998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.476554] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  406.481754]  warn_alloc.cold.116+0xb7/0x1bd
[  406.486043] lowmem_reserve[]: 0 0 0 0
[  406.491574]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.520795] 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
[  406.525125]  ? lock_downgrade+0x900/0x900
[  406.528918] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  406.533755]  ? trace_hardirqs_off+0xb8/0x310
[  406.547265] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  406.551420]  ? trace_hardirqs_off+0xb8/0x310
[  406.566740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.571137]  __alloc_pages_slowpath+0x2651/0x2de0
[  406.584641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.589056]  ? warn_alloc+0x120/0x120
[  406.597844] 2220 total pagecache pages
[  406.602678]  ? print_usage_bug+0xc0/0xc0
[  406.611250] 0 pages in swap cache
[  406.615065]  ? warn_alloc+0x120/0x120
[  406.618960] Swap cache stats: add 0, delete 0, find 0/0
[  406.623010]  ? warn_alloc+0x120/0x120
[  406.626436] Free swap  = 0kB
[  406.630231]  ? print_usage_bug+0xc0/0xc0
[  406.635568] Total swap = 0kB
[  406.639362]  ? kvm_clock_read+0x18/0x30
[  406.642354] 1965979 pages RAM
[  406.646428]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.649474] 0 pages HighMem/MovableOnly
[  406.649497] 342854 pages reserved
[  406.653478]  ? print_usage_bug+0xc0/0xc0
[  406.656560] 0 pages cma reserved
[  406.661568]  ? __lock_acquire+0x62f/0x4c20
[  406.665690] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.668962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.672994] ksoftirqd/1 cpuset=/ mems_allowed=0
[  406.676366]  ? should_fail+0x22d/0xd01
[  406.704930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.710225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.715331]  ? __lock_acquire+0x62f/0x4c20
[  406.719571]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.724675]  ? __lock_acquire+0x62f/0x4c20
[  406.728908]  ? should_fail+0x22d/0xd01
[  406.732807]  ? rcu_irq_exit+0x1a2/0x390
[  406.736819]  ? mark_held_locks+0x130/0x130
[  406.741064]  ? mark_held_locks+0x130/0x130
[  406.745308]  ? mark_held_locks+0xc7/0x130
[  406.749458]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  406.754474]  ? zap_class+0x640/0x640
[  406.758189]  ? print_usage_bug+0xc0/0xc0
[  406.762258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.767799]  ? check_preemption_disabled+0x48/0x280
[  406.772829]  ? __lock_is_held+0xb5/0x140
[  406.776900]  __alloc_pages_nodemask+0xad8/0xea0
[  406.781571]  ? zap_class+0x640/0x640
[  406.785292]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  406.790322]  ? find_held_lock+0x36/0x1c0
[  406.794402]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.799081]  ? lock_downgrade+0x900/0x900
[  406.803236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.808782]  cache_grow_begin+0xa5/0x8c0
[  406.812844]  ? do_raw_spin_unlock+0xa7/0x330
[  406.817261]  fallback_alloc+0x204/0x2e0
[  406.821244]  ____cache_alloc_node+0x1c7/0x1e0
[  406.825745]  kmem_cache_alloc_node+0xe3/0x730
[  406.830244]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.834493]  __alloc_skb+0x119/0x770
[  406.838236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.843516]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.847927]  ? lock_downgrade+0x900/0x900
[  406.852098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.857637]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.863093]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.868542]  ? addrconf_rs_timer+0x690/0x690
[  406.872961]  ndisc_alloc_skb+0x144/0x340
[  406.877026]  ndisc_send_rs+0x331/0x6e0
[  406.880921]  addrconf_rs_timer+0x314/0x690
[  406.885187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.889468]  call_timer_fn+0x272/0x920
[  406.893356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.897597]  ? process_timeout+0x40/0x40
[  406.901667]  ? __run_timers+0x7da/0xc70
[  406.905647]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.910139]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.914640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.918874]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.923461]  ? trace_hardirqs_on+0xbd/0x310
[  406.927781]  ? kasan_check_read+0x11/0x20
[  406.931940]  ? __run_timers+0x7da/0xc70
[  406.935919]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.941024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.945264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.949499]  __run_timers+0x7e5/0xc70
[  406.953314]  ? timer_fixup_init+0x70/0x70
[  406.957489]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.962508]  ? zap_class+0x640/0x640
[  406.966245]  ? enqueue_hrtimer+0x1a5/0x560
[  406.970501]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.975700]  ? find_held_lock+0x36/0x1c0
[  406.979796]  ? zap_class+0x640/0x640
[  406.983515]  ? pvclock_read_flags+0x160/0x160
[  406.988016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.993554]  ? check_preemption_disabled+0x48/0x280
[  406.998581]  ? __lock_is_held+0xb5/0x140
[  407.002650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.008188]  ? check_preemption_disabled+0x48/0x280
[  407.013241]  run_timer_softirq+0x52/0xb0
[  407.017317]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.022333]  __do_softirq+0x308/0xb7e
[  407.026160]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.030656]  ? lock_downgrade+0x900/0x900
[  407.034813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.039923]  ? pvclock_read_flags+0x160/0x160
[  407.044432]  ? lapic_next_event+0x5a/0x90
[  407.048582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.054128]  ? kvm_clock_read+0x18/0x30
[  407.058103]  ? kvm_sched_clock_read+0x9/0x20
[  407.062984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.068542]  ? check_preemption_disabled+0x48/0x280
[  407.073569]  irq_exit+0x17f/0x1c0
[  407.077024]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.081864]  ? smp_reschedule_interrupt+0x109/0x650
[  407.086895]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.092779]  ? interrupt_entry+0xb5/0xc0
[  407.096883]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.101898]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.106918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.111774]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.116787]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.121844]  ? task_prio+0x50/0x50
[  407.125418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.130962]  ? check_preemption_disabled+0x48/0x280
[  407.135984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.140832]  apic_timer_interrupt+0xf/0x20
[  407.145063]  </IRQ>
[  407.147301] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.152235] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  407.171132] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  407.178838] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  407.186107] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  407.193371] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  407.200652] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  407.207919] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  407.215228]  skb_clone+0x1bb/0x500
[  407.218775]  ? skb_split+0x11e0/0x11e0
[  407.222670]  ? preempt_notifier_register+0x200/0x200
[  407.227773]  ? __switch_to_asm+0x34/0x70
[  407.231833]  ? __switch_to_asm+0x34/0x70
[  407.235896]  ? __switch_to_asm+0x40/0x70
[  407.239989]  ? __switch_to_asm+0x34/0x70
[  407.244049]  ? __switch_to_asm+0x40/0x70
[  407.248106]  ? __switch_to_asm+0x40/0x70
[  407.252163]  ? __switch_to_asm+0x34/0x70
[  407.256226]  ? __switch_to_asm+0x34/0x70
[  407.260282]  ? __switch_to_asm+0x40/0x70
[  407.264339]  ? __switch_to_asm+0x34/0x70
[  407.268410]  bpf_clone_redirect+0xb9/0x490
[  407.272664]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  407.277685]  ? __sched_text_start+0x8/0x8
[  407.281831]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.286613]  ? find_held_lock+0x36/0x1c0
[  407.290681]  ? lock_acquire+0x1ed/0x520
[  407.294662]  ? bpf_test_run+0x3ee/0x7a0
[  407.298636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.304194]  ? check_preemption_disabled+0x48/0x280
[  407.309214]  ? kasan_check_read+0x11/0x20
[  407.313360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.318642]  ? rcu_softirq_qs+0x20/0x20
[  407.322619]  ? preempt_schedule+0x4d/0x60
[  407.326771]  ? ___preempt_schedule+0x16/0x18
[  407.331190]  ? bpf_test_run+0x271/0x7a0
[  407.335176]  ? netlink_diag_dump+0x2a0/0x2a0
[  407.339588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.345128]  ? bpf_test_init.isra.10+0x70/0x100
[  407.349816]  ? bpf_prog_test_run_skb+0x762/0xd60
[  407.354587]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.359443]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.364981]  ? fput+0x130/0x1a0
[  407.368273]  ? __bpf_prog_get+0x9b/0x290
[  407.372341]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.377187]  ? bpf_prog_test_run+0x130/0x1a0
[  407.381597]  ? __x64_sys_bpf+0x3d8/0x520
[  407.385659]  ? bpf_prog_get+0x20/0x20
[  407.389477]  ? do_syscall_64+0x1b9/0x820
[  407.393536]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.398904]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.403836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.408687]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.413704]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.418728]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.423750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.428602]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.433999] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  407.434068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.440930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.440935] Call Trace:
[  407.440954]  dump_stack+0x244/0x39d
[  407.440973]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.440991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.447518] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.456814]  warn_alloc.cold.116+0xb7/0x1bd
[  407.459374] syz-executor2 cpuset=syz2 mems_allowed=0
[  407.463000]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.498381]  ? lock_downgrade+0x900/0x900
[  407.502549]  ? trace_hardirqs_off+0xb8/0x310
[  407.506965]  ? trace_hardirqs_off+0xb8/0x310
[  407.511381]  __alloc_pages_slowpath+0x2651/0x2de0
[  407.516278]  ? warn_alloc+0x120/0x120
[  407.520128]  ? warn_alloc+0x120/0x120
[  407.523939]  ? warn_alloc+0x120/0x120
[  407.527742]  ? print_usage_bug+0xc0/0xc0
[  407.531810]  ? print_usage_bug+0xc0/0xc0
[  407.535880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.541430]  ? should_fail+0x22d/0xd01
[  407.545318]  ? lockdep_on+0x50/0x50
[  407.548961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.554060]  ? __lock_acquire+0x62f/0x4c20
[  407.558300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.563411]  ? __lock_acquire+0x62f/0x4c20
[  407.567648]  ? should_fail+0x22d/0xd01
[  407.571539]  ? kasan_check_read+0x11/0x20
[  407.575698]  ? mark_held_locks+0x130/0x130
[  407.579940]  ? mark_held_locks+0x130/0x130
[  407.584199]  ? zap_class+0x640/0x640
[  407.587947]  ? ret_from_fork+0x3a/0x50
[  407.591838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.597375]  ? check_preemption_disabled+0x48/0x280
[  407.602416]  ? __lock_is_held+0xb5/0x140
[  407.606488]  __alloc_pages_nodemask+0xad8/0xea0
[  407.611160]  ? zap_class+0x640/0x640
[  407.614917]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  407.619950]  ? find_held_lock+0x36/0x1c0
[  407.624025]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.628711]  ? lock_downgrade+0x900/0x900
[  407.632867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.638448]  cache_grow_begin+0xa5/0x8c0
[  407.642543]  ? do_raw_spin_unlock+0xa7/0x330
[  407.646964]  fallback_alloc+0x204/0x2e0
[  407.650948]  ____cache_alloc_node+0x1c7/0x1e0
[  407.655456]  kmem_cache_alloc_node+0xe3/0x730
[  407.659951]  ? mark_held_locks+0xc7/0x130
[  407.664109]  __alloc_skb+0x119/0x770
[  407.667832]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.672237]  ? do_raw_spin_trylock+0x270/0x270
[  407.676819]  ? kmem_cache_alloc_trace+0x353/0x750
[  407.681668]  ? queue_work_on+0x12c/0x1e0
[  407.685740]  ? switchdev_port_obj_del+0xdc/0x440
[  407.690504]  ? switchdev_trans_item_enqueue+0x260/0x260
[  407.695872]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.700896]  __br_mdb_notify+0x4ff/0x15d0
[  407.705091]  ? __br_mdb_add+0x7f0/0x7f0
[  407.709075]  ? zap_class+0x640/0x640
[  407.712804]  ? br_multicast_group_expired+0x96/0x610
[  407.717925]  ? lock_downgrade+0x900/0x900
[  407.722092]  br_mdb_notify+0x310/0x410
[  407.725981]  ? br_mdb_dump+0x27b0/0x27b0
[  407.730049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.735600]  br_multicast_group_expired+0x1bc/0x610
[  407.740620]  ? br_mdb_free+0x80/0x80
[  407.744347]  call_timer_fn+0x272/0x920
[  407.748238]  ? br_mdb_free+0x80/0x80
[  407.751954]  ? process_timeout+0x40/0x40
[  407.756022]  ? __run_timers+0x7da/0xc70
[  407.760002]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.764496]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.768989]  ? br_mdb_free+0x80/0x80
[  407.772704]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.777295]  ? trace_hardirqs_on+0xbd/0x310
[  407.781617]  ? kasan_check_read+0x11/0x20
[  407.785764]  ? __run_timers+0x7da/0xc70
[  407.789745]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.794856]  ? br_mdb_free+0x80/0x80
[  407.798581]  ? br_mdb_free+0x80/0x80
[  407.802294]  __run_timers+0x7e5/0xc70
[  407.806110]  ? timer_fixup_init+0x70/0x70
[  407.810261]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.814758]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.819258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.823841]  ? trace_hardirqs_on+0xbd/0x310
[  407.828181]  ? kasan_check_read+0x11/0x20
[  407.832332]  ? finish_task_switch+0x1f4/0x910
[  407.836834]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.841941]  ? compat_start_thread+0x80/0x80
[  407.846372]  ? pvclock_read_flags+0x160/0x160
[  407.850873]  ? __switch_to_asm+0x34/0x70
[  407.854941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.860482]  ? check_preemption_disabled+0x48/0x280
[  407.865510]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.871049]  ? rcu_pm_notify+0xc0/0xc0
[  407.874943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.880483]  ? check_preemption_disabled+0x48/0x280
[  407.885504]  run_timer_softirq+0x52/0xb0
[  407.889567]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.894592]  __do_softirq+0x308/0xb7e
[  407.898409]  ? retint_kernel+0x2d/0x2d
[  407.902304]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.907418]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.912870]  ? retint_kernel+0x2d/0x2d
[  407.916758]  ? schedule+0x108/0x460
[  407.920433]  ? trace_hardirqs_off+0xb8/0x310
[  407.924843]  ? smpboot_thread_fn+0x68b/0xa00
[  407.929257]  ? trace_hardirqs_on+0x310/0x310
[  407.933668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.939220]  ? check_preemption_disabled+0x48/0x280
[  407.944241]  ? takeover_tasklets+0xa90/0xa90
[  407.948650]  run_ksoftirqd+0x5e/0x100
[  407.952450]  smpboot_thread_fn+0x68b/0xa00
[  407.956711]  ? sort_range+0x30/0x30
[  407.960342]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.965479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.971038]  ? __kthread_parkme+0xfb/0x1a0
[  407.975281]  ? sort_range+0x30/0x30
[  407.978907]  kthread+0x35a/0x440
[  407.982297]  ? kthread_stop+0x900/0x900
[  407.986276]  ret_from_fork+0x3a/0x50
[  407.990006] warn_alloc_show_mem: 1 callbacks suppressed
[  407.990018] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  407.990020] Mem-Info:
[  407.990053] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  407.990053]  active_file:133 inactive_file:117 isolated_file:0
[  407.990053]  unevictable:0 dirty:3 writeback:0 unstable:0
[  407.990053]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  407.990053]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  407.990053]  free:13727 free_pcp:164 free_cma:0
[  407.995387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.002754] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  408.005155] Call Trace:
[  408.038363] 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
[  408.047702]  <IRQ>
[  408.075445] lowmem_reserve[]: 0 2818 6321 6321
[  408.078028]  dump_stack+0x244/0x39d
[  408.104110] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  408.106253]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.110807] lowmem_reserve[]: 0 0 3503 3503
[  408.114442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.142001] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  408.147189]  warn_alloc.cold.116+0xb7/0x1bd
[  408.151484] lowmem_reserve[]: 0 0 0 0
[  408.157018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.186228] 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
[  408.190546]  ? lock_downgrade+0x900/0x900
[  408.194844] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  408.199689]  ? trace_hardirqs_off+0xb8/0x310
[  408.213188] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  408.217333]  ? trace_hardirqs_off+0xb8/0x310
[  408.232661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.237064]  __alloc_pages_slowpath+0x2651/0x2de0
[  408.250562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.254977]  ? warn_alloc+0x120/0x120
[  408.263765] 2220 total pagecache pages
[  408.268603]  ? print_usage_bug+0xc0/0xc0
[  408.277160] 0 pages in swap cache
[  408.280951]  ? warn_alloc+0x120/0x120
[  408.284816] Swap cache stats: add 0, delete 0, find 0/0
[  408.288870]  ? warn_alloc+0x120/0x120
[  408.292300] Free swap  = 0kB
[  408.296096]  ? print_usage_bug+0xc0/0xc0
[  408.301440] Total swap = 0kB
[  408.305231]  ? print_usage_bug+0xc0/0xc0
[  408.308225] 1965979 pages RAM
[  408.312282]  ? __lock_acquire+0x62f/0x4c20
[  408.315276] 0 pages HighMem/MovableOnly
[  408.319334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.322417] 342854 pages reserved
[  408.322425] 0 pages cma reserved
[  408.326654]  ? should_fail+0x22d/0xd01
[  408.330749] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.336128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.339556] ksoftirqd/1 cpuset=/ mems_allowed=0
[  408.342913]  ? __lock_acquire+0x62f/0x4c20
[  408.371105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.376206]  ? __lock_acquire+0x62f/0x4c20
[  408.380447]  ? should_fail+0x22d/0xd01
[  408.384337]  ? find_held_lock+0x36/0x1c0
[  408.388441]  ? mark_held_locks+0x130/0x130
[  408.392681]  ? mark_held_locks+0x130/0x130
[  408.396928]  ? zap_class+0x640/0x640
[  408.400643]  ? zap_class+0x640/0x640
[  408.404374]  ? print_usage_bug+0xc0/0xc0
[  408.408461]  ? do_raw_spin_unlock+0xa7/0x330
[  408.412872]  ? zap_class+0x640/0x640
[  408.416587]  ? print_usage_bug+0xc0/0xc0
[  408.420647]  ? wq_watchdog_touch+0x9c/0xfe
[  408.424885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.430431]  ? check_preemption_disabled+0x48/0x280
[  408.435464]  ? __lock_is_held+0xb5/0x140
[  408.439533]  __alloc_pages_nodemask+0xad8/0xea0
[  408.444203]  ? zap_class+0x640/0x640
[  408.447924]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  408.452956]  ? find_held_lock+0x36/0x1c0
[  408.457044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.461718]  ? lock_downgrade+0x900/0x900
[  408.465879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.471461]  cache_grow_begin+0xa5/0x8c0
[  408.475535]  ? do_raw_spin_unlock+0xa7/0x330
[  408.479954]  fallback_alloc+0x204/0x2e0
[  408.483931]  ____cache_alloc_node+0x1c7/0x1e0
[  408.488439]  kmem_cache_alloc_node+0xe3/0x730
[  408.492974]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.497220]  __alloc_skb+0x119/0x770
[  408.500934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.506212]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.510622]  ? lock_downgrade+0x900/0x900
[  408.514822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.520359]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.525820]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.531283]  ? addrconf_rs_timer+0x690/0x690
[  408.535707]  ndisc_alloc_skb+0x144/0x340
[  408.539778]  ndisc_send_rs+0x331/0x6e0
[  408.543676]  addrconf_rs_timer+0x314/0x690
[  408.547919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.552165]  call_timer_fn+0x272/0x920
[  408.556046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.560277]  ? process_timeout+0x40/0x40
[  408.564358]  ? __run_timers+0x7da/0xc70
[  408.568340]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.572833]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.577338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.581591]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.586187]  ? trace_hardirqs_on+0xbd/0x310
[  408.590526]  ? kasan_check_read+0x11/0x20
[  408.594674]  ? __run_timers+0x7da/0xc70
[  408.598652]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.603757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.607996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.612227]  __run_timers+0x7e5/0xc70
[  408.616042]  ? timer_fixup_init+0x70/0x70
[  408.620190]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.625210]  ? zap_class+0x640/0x640
[  408.628941]  ? enqueue_hrtimer+0x1a5/0x560
[  408.633183]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.638383]  ? find_held_lock+0x36/0x1c0
[  408.642477]  ? zap_class+0x640/0x640
[  408.646194]  ? pvclock_read_flags+0x160/0x160
[  408.650692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.656230]  ? check_preemption_disabled+0x48/0x280
[  408.661260]  ? __lock_is_held+0xb5/0x140
[  408.665324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.670863]  ? check_preemption_disabled+0x48/0x280
[  408.675904]  run_timer_softirq+0x52/0xb0
[  408.679972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.684990]  __do_softirq+0x308/0xb7e
[  408.688799]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.693290]  ? lock_downgrade+0x900/0x900
[  408.697476]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.702588]  ? pvclock_read_flags+0x160/0x160
[  408.707142]  ? lapic_next_event+0x5a/0x90
[  408.711289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.716830]  ? kvm_clock_read+0x18/0x30
[  408.720805]  ? kvm_sched_clock_read+0x9/0x20
[  408.725215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.730766]  ? check_preemption_disabled+0x48/0x280
[  408.735791]  irq_exit+0x17f/0x1c0
[  408.739246]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.744122]  ? smp_reschedule_interrupt+0x109/0x650
[  408.749139]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.755040]  ? interrupt_entry+0xb5/0xc0
[  408.759105]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.764121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.769146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.773989]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.779006]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.784040]  ? task_prio+0x50/0x50
[  408.787583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.793122]  ? check_preemption_disabled+0x48/0x280
[  408.798148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.803002]  apic_timer_interrupt+0xf/0x20
[  408.807244]  </IRQ>
[  408.809488] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  408.814431] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  408.833334] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  408.841039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.848308] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  408.855575] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  408.862844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  408.870114] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  408.877431]  skb_clone+0x1bb/0x500
[  408.880979]  ? skb_split+0x11e0/0x11e0
[  408.884872]  ? preempt_notifier_register+0x200/0x200
[  408.889987]  ? __switch_to_asm+0x34/0x70
[  408.894063]  ? __switch_to_asm+0x34/0x70
[  408.898119]  ? __switch_to_asm+0x40/0x70
[  408.902177]  ? __switch_to_asm+0x34/0x70
[  408.906232]  ? __switch_to_asm+0x40/0x70
[  408.910288]  ? __switch_to_asm+0x40/0x70
[  408.914347]  ? __switch_to_asm+0x34/0x70
[  408.918431]  ? __switch_to_asm+0x34/0x70
[  408.922509]  ? __switch_to_asm+0x40/0x70
[  408.926572]  ? __switch_to_asm+0x34/0x70
[  408.930640]  bpf_clone_redirect+0xb9/0x490
[  408.934887]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  408.939909]  ? __sched_text_start+0x8/0x8
[  408.944060]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  408.948831]  ? find_held_lock+0x36/0x1c0
[  408.952904]  ? lock_acquire+0x1ed/0x520
[  408.956885]  ? bpf_test_run+0x3ee/0x7a0
[  408.960863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.966417]  ? check_preemption_disabled+0x48/0x280
[  408.971446]  ? kasan_check_read+0x11/0x20
[  408.975598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.980873]  ? rcu_softirq_qs+0x20/0x20
[  408.984847]  ? preempt_schedule+0x4d/0x60
[  408.988997]  ? ___preempt_schedule+0x16/0x18
[  408.993428]  ? bpf_test_run+0x271/0x7a0
[  408.997429]  ? netlink_diag_dump+0x2a0/0x2a0
[  409.001842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.007401]  ? bpf_test_init.isra.10+0x70/0x100
[  409.012083]  ? bpf_prog_test_run_skb+0x762/0xd60
[  409.016852]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.021700]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.027237]  ? fput+0x130/0x1a0
[  409.030541]  ? __bpf_prog_get+0x9b/0x290
[  409.034605]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.039463]  ? bpf_prog_test_run+0x130/0x1a0
[  409.043879]  ? __x64_sys_bpf+0x3d8/0x520
[  409.047959]  ? bpf_prog_get+0x20/0x20
[  409.051780]  ? do_syscall_64+0x1b9/0x820
[  409.055839]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.061687]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.066618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.071461]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.076483]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.081502]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.086524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.091373]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.096768] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  409.096852] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.103715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.103720] Call Trace:
[  409.103739]  dump_stack+0x244/0x39d
[  409.103764]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.110378] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.119601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.122161] syz-executor2 cpuset=syz2 mems_allowed=0
[  409.125783]  warn_alloc.cold.116+0xb7/0x1bd
[  409.156388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.161250]  ? lock_downgrade+0x900/0x900
[  409.165415]  ? trace_hardirqs_off+0xb8/0x310
[  409.169831]  ? trace_hardirqs_off+0xb8/0x310
[  409.174250]  __alloc_pages_slowpath+0x2651/0x2de0
[  409.179125]  ? warn_alloc+0x120/0x120
[  409.182941]  ? warn_alloc+0x120/0x120
[  409.186747]  ? warn_alloc+0x120/0x120
[  409.190553]  ? print_usage_bug+0xc0/0xc0
[  409.194621]  ? print_usage_bug+0xc0/0xc0
[  409.198696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.204237]  ? should_fail+0x22d/0xd01
[  409.208124]  ? lockdep_on+0x50/0x50
[  409.211753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.216861]  ? __lock_acquire+0x62f/0x4c20
[  409.221119]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.226252]  ? __lock_acquire+0x62f/0x4c20
[  409.230486]  ? should_fail+0x22d/0xd01
[  409.234374]  ? kasan_check_read+0x11/0x20
[  409.238543]  ? mark_held_locks+0x130/0x130
[  409.242786]  ? mark_held_locks+0x130/0x130
[  409.247034]  ? zap_class+0x640/0x640
[  409.250745]  ? ret_from_fork+0x3a/0x50
[  409.254641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.260183]  ? check_preemption_disabled+0x48/0x280
[  409.265210]  ? __lock_is_held+0xb5/0x140
[  409.269281]  __alloc_pages_nodemask+0xad8/0xea0
[  409.273954]  ? zap_class+0x640/0x640
[  409.277678]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  409.282705]  ? find_held_lock+0x36/0x1c0
[  409.286780]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.291455]  ? lock_downgrade+0x900/0x900
[  409.295612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.301160]  cache_grow_begin+0xa5/0x8c0
[  409.305219]  ? do_raw_spin_unlock+0xa7/0x330
[  409.309634]  fallback_alloc+0x204/0x2e0
[  409.313617]  ____cache_alloc_node+0x1c7/0x1e0
[  409.318119]  kmem_cache_alloc_node+0xe3/0x730
[  409.322613]  ? mark_held_locks+0xc7/0x130
[  409.326774]  __alloc_skb+0x119/0x770
[  409.330497]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.334922]  ? do_raw_spin_trylock+0x270/0x270
[  409.339505]  ? kmem_cache_alloc_trace+0x353/0x750
[  409.344354]  ? queue_work_on+0x12c/0x1e0
[  409.348436]  ? switchdev_port_obj_del+0xdc/0x440
[  409.353197]  ? switchdev_trans_item_enqueue+0x260/0x260
[  409.358572]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.363598]  __br_mdb_notify+0x4ff/0x15d0
[  409.367773]  ? __br_mdb_add+0x7f0/0x7f0
[  409.371758]  ? zap_class+0x640/0x640
[  409.375483]  ? br_multicast_group_expired+0x96/0x610
[  409.380586]  ? lock_downgrade+0x900/0x900
[  409.384741]  br_mdb_notify+0x310/0x410
[  409.388641]  ? br_mdb_dump+0x27b0/0x27b0
[  409.392707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.398254]  br_multicast_group_expired+0x1bc/0x610
[  409.403275]  ? br_mdb_free+0x80/0x80
[  409.407002]  call_timer_fn+0x272/0x920
[  409.410890]  ? br_mdb_free+0x80/0x80
[  409.414639]  ? process_timeout+0x40/0x40
[  409.418725]  ? __run_timers+0x7da/0xc70
[  409.422699]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.427194]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.431688]  ? br_mdb_free+0x80/0x80
[  409.435441]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.440027]  ? trace_hardirqs_on+0xbd/0x310
[  409.444349]  ? kasan_check_read+0x11/0x20
[  409.448532]  ? __run_timers+0x7da/0xc70
[  409.452522]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.457634]  ? br_mdb_free+0x80/0x80
[  409.461371]  ? br_mdb_free+0x80/0x80
[  409.465090]  __run_timers+0x7e5/0xc70
[  409.468904]  ? timer_fixup_init+0x70/0x70
[  409.473060]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.477568]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.482069]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.486652]  ? trace_hardirqs_on+0xbd/0x310
[  409.490972]  ? kasan_check_read+0x11/0x20
[  409.495123]  ? finish_task_switch+0x1f4/0x910
[  409.499624]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.504726]  ? compat_start_thread+0x80/0x80
[  409.509177]  ? pvclock_read_flags+0x160/0x160
[  409.513699]  ? __switch_to_asm+0x34/0x70
[  409.517764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.523306]  ? check_preemption_disabled+0x48/0x280
[  409.528334]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.533874]  ? rcu_pm_notify+0xc0/0xc0
[  409.537760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.543298]  ? check_preemption_disabled+0x48/0x280
[  409.548318]  run_timer_softirq+0x52/0xb0
[  409.552378]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.557488]  __do_softirq+0x308/0xb7e
[  409.561321]  ? retint_kernel+0x2d/0x2d
[  409.565213]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.570332]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.575778]  ? retint_kernel+0x2d/0x2d
[  409.579669]  ? schedule+0x108/0x460
[  409.583320]  ? trace_hardirqs_off+0xb8/0x310
[  409.587760]  ? smpboot_thread_fn+0x68b/0xa00
[  409.592197]  ? trace_hardirqs_on+0x310/0x310
[  409.596624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.602166]  ? check_preemption_disabled+0x48/0x280
[  409.607185]  ? takeover_tasklets+0xa90/0xa90
[  409.611599]  run_ksoftirqd+0x5e/0x100
[  409.615409]  smpboot_thread_fn+0x68b/0xa00
[  409.619650]  ? sort_range+0x30/0x30
[  409.623281]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.628384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.633937]  ? __kthread_parkme+0xfb/0x1a0
[  409.638175]  ? sort_range+0x30/0x30
[  409.641804]  kthread+0x35a/0x440
[  409.645174]  ? kthread_stop+0x900/0x900
[  409.649162]  ret_from_fork+0x3a/0x50
[  409.652890] warn_alloc_show_mem: 1 callbacks suppressed
[  409.652903] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  409.652904] Mem-Info:
[  409.652958] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  409.652958]  active_file:133 inactive_file:117 isolated_file:0
[  409.652958]  unevictable:0 dirty:3 writeback:0 unstable:0
[  409.652958]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  409.652958]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  409.652958]  free:13727 free_pcp:164 free_cma:0
[  409.658288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.665664] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  409.668076] Call Trace:
[  409.701285] 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
[  409.710626]  <IRQ>
[  409.738379] lowmem_reserve[]: 0 2818 6321 6321
[  409.740985]  dump_stack+0x244/0x39d
[  409.767070] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  409.769215]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.773769] lowmem_reserve[]: 0 0 3503 3503
[  409.777400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.804954] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  409.810141]  warn_alloc.cold.116+0xb7/0x1bd
[  409.814434] lowmem_reserve[]: 0 0 0 0
[  409.819990]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.849196] 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
[  409.853523]  ? lock_downgrade+0x900/0x900
[  409.857295] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  409.862134]  ? trace_hardirqs_off+0xb8/0x310
[  409.875642] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  409.879783]  ? trace_hardirqs_off+0xb8/0x310
[  409.895106] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.899509]  __alloc_pages_slowpath+0x2651/0x2de0
[  409.913012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  409.917501]  ? warn_alloc+0x120/0x120
[  409.926270] 2220 total pagecache pages
[  409.931118]  ? print_usage_bug+0xc0/0xc0
[  409.939669] 0 pages in swap cache
[  409.943470]  ? warn_alloc+0x120/0x120
[  409.947337] Swap cache stats: add 0, delete 0, find 0/0
[  409.951398]  ? warn_alloc+0x120/0x120
[  409.954825] Free swap  = 0kB
[  409.958621]  ? print_usage_bug+0xc0/0xc0
[  409.963960] Total swap = 0kB
[  409.967756]  ? kvm_clock_read+0x18/0x30
[  409.970750] 1965979 pages RAM
[  409.974803]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.977814] 0 pages HighMem/MovableOnly
[  409.981778]  ? print_usage_bug+0xc0/0xc0
[  409.984860] 342854 pages reserved
[  409.989869]  ? __lock_acquire+0x62f/0x4c20
[  409.993819] 0 pages cma reserved
[  409.997877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.001475] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.005530]  ? should_fail+0x22d/0xd01
[  410.008875] ksoftirqd/1 cpuset=/ mems_allowed=0
[  410.014419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.038496]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.043633]  ? __lock_acquire+0x62f/0x4c20
[  410.047873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.052974]  ? __lock_acquire+0x62f/0x4c20
[  410.057208]  ? should_fail+0x22d/0xd01
[  410.061093]  ? rcu_irq_exit+0x1a2/0x390
[  410.065078]  ? mark_held_locks+0x130/0x130
[  410.069419]  ? mark_held_locks+0x130/0x130
[  410.073662]  ? mark_held_locks+0xc7/0x130
[  410.077810]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  410.082842]  ? zap_class+0x640/0x640
[  410.086558]  ? print_usage_bug+0xc0/0xc0
[  410.090626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.096169]  ? check_preemption_disabled+0x48/0x280
[  410.101196]  ? __lock_is_held+0xb5/0x140
[  410.105278]  __alloc_pages_nodemask+0xad8/0xea0
[  410.109946]  ? zap_class+0x640/0x640
[  410.113668]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  410.118695]  ? find_held_lock+0x36/0x1c0
[  410.122766]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.127444]  ? lock_downgrade+0x900/0x900
[  410.131600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.137152]  cache_grow_begin+0xa5/0x8c0
[  410.141216]  ? do_raw_spin_unlock+0xa7/0x330
[  410.145630]  fallback_alloc+0x204/0x2e0
[  410.149614]  ____cache_alloc_node+0x1c7/0x1e0
[  410.154118]  kmem_cache_alloc_node+0xe3/0x730
[  410.158619]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.162869]  __alloc_skb+0x119/0x770
[  410.166582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.171864]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.176277]  ? lock_downgrade+0x900/0x900
[  410.180455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.186013]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.191477]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.197096]  ? addrconf_rs_timer+0x690/0x690
[  410.201517]  ndisc_alloc_skb+0x144/0x340
[  410.205585]  ndisc_send_rs+0x331/0x6e0
[  410.209477]  addrconf_rs_timer+0x314/0x690
[  410.213720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.217962]  call_timer_fn+0x272/0x920
[  410.221868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.226115]  ? process_timeout+0x40/0x40
[  410.230184]  ? __run_timers+0x7da/0xc70
[  410.234163]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.238661]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.243153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.247387]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.252019]  ? trace_hardirqs_on+0xbd/0x310
[  410.256339]  ? kasan_check_read+0x11/0x20
[  410.260484]  ? __run_timers+0x7da/0xc70
[  410.264458]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.269568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.273811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.278047]  __run_timers+0x7e5/0xc70
[  410.281875]  ? timer_fixup_init+0x70/0x70
[  410.286026]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.291043]  ? zap_class+0x640/0x640
[  410.294761]  ? enqueue_hrtimer+0x1a5/0x560
[  410.299014]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.304211]  ? find_held_lock+0x36/0x1c0
[  410.308291]  ? zap_class+0x640/0x640
[  410.312008]  ? pvclock_read_flags+0x160/0x160
[  410.316506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.322047]  ? check_preemption_disabled+0x48/0x280
[  410.327078]  ? __lock_is_held+0xb5/0x140
[  410.331145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.336682]  ? check_preemption_disabled+0x48/0x280
[  410.341732]  run_timer_softirq+0x52/0xb0
[  410.345809]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.350829]  __do_softirq+0x308/0xb7e
[  410.354633]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.359125]  ? lock_downgrade+0x900/0x900
[  410.363281]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.368400]  ? pvclock_read_flags+0x160/0x160
[  410.372920]  ? lapic_next_event+0x5a/0x90
[  410.377108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.382654]  ? kvm_clock_read+0x18/0x30
[  410.386626]  ? kvm_sched_clock_read+0x9/0x20
[  410.391053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.396592]  ? check_preemption_disabled+0x48/0x280
[  410.401623]  irq_exit+0x17f/0x1c0
[  410.405080]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.409923]  ? smp_reschedule_interrupt+0x109/0x650
[  410.414944]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.420833]  ? interrupt_entry+0xb5/0xc0
[  410.424893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.429926]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.434957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.439819]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.444846]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.449890]  ? task_prio+0x50/0x50
[  410.453441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.458979]  ? check_preemption_disabled+0x48/0x280
[  410.464000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.468853]  apic_timer_interrupt+0xf/0x20
[  410.473081]  </IRQ>
[  410.475322] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.480251] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  410.499151] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  410.506866] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.514132] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  410.521406] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  410.528680] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  410.535946] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  410.543253]  skb_clone+0x1bb/0x500
[  410.546800]  ? skb_split+0x11e0/0x11e0
[  410.550691]  ? preempt_notifier_register+0x200/0x200
[  410.555790]  ? __switch_to_asm+0x34/0x70
[  410.559848]  ? __switch_to_asm+0x34/0x70
[  410.563924]  ? __switch_to_asm+0x40/0x70
[  410.567986]  ? __switch_to_asm+0x34/0x70
[  410.572045]  ? __switch_to_asm+0x40/0x70
[  410.576104]  ? __switch_to_asm+0x40/0x70
[  410.580162]  ? __switch_to_asm+0x34/0x70
[  410.584220]  ? __switch_to_asm+0x34/0x70
[  410.588277]  ? __switch_to_asm+0x40/0x70
[  410.592339]  ? __switch_to_asm+0x34/0x70
[  410.596417]  bpf_clone_redirect+0xb9/0x490
[  410.600665]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  410.605688]  ? __sched_text_start+0x8/0x8
[  410.609832]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.614613]  ? find_held_lock+0x36/0x1c0
[  410.618681]  ? lock_acquire+0x1ed/0x520
[  410.622655]  ? bpf_test_run+0x3ee/0x7a0
[  410.626634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.632190]  ? check_preemption_disabled+0x48/0x280
[  410.637216]  ? kasan_check_read+0x11/0x20
[  410.641368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.646651]  ? rcu_softirq_qs+0x20/0x20
[  410.650629]  ? preempt_schedule+0x4d/0x60
[  410.654776]  ? ___preempt_schedule+0x16/0x18
[  410.659207]  ? bpf_test_run+0x271/0x7a0
[  410.663194]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.667603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.673138]  ? bpf_test_init.isra.10+0x70/0x100
[  410.677815]  ? bpf_prog_test_run_skb+0x762/0xd60
[  410.682587]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.687443]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.692995]  ? fput+0x130/0x1a0
[  410.696283]  ? __bpf_prog_get+0x9b/0x290
[  410.700347]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.705195]  ? bpf_prog_test_run+0x130/0x1a0
[  410.709606]  ? __x64_sys_bpf+0x3d8/0x520
[  410.713666]  ? bpf_prog_get+0x20/0x20
[  410.717486]  ? do_syscall_64+0x1b9/0x820
[  410.721548]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.726913]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.731847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.736694]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.741711]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.746728]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.751751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.756605]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.762034] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  410.762103] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.768963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.768972] Call Trace:
[  410.775535] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.784801]  dump_stack+0x244/0x39d
[  410.787363] syz-executor2 cpuset=syz2 mems_allowed=0
[  410.797846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.811724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.817271]  warn_alloc.cold.116+0xb7/0x1bd
[  410.821595]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.826451]  ? lock_downgrade+0x900/0x900
[  410.830607]  ? trace_hardirqs_off+0xb8/0x310
[  410.835037]  ? trace_hardirqs_off+0xb8/0x310
[  410.839458]  __alloc_pages_slowpath+0x2651/0x2de0
[  410.844333]  ? warn_alloc+0x120/0x120
[  410.848144]  ? warn_alloc+0x120/0x120
[  410.851973]  ? warn_alloc+0x120/0x120
[  410.855776]  ? print_usage_bug+0xc0/0xc0
[  410.859842]  ? print_usage_bug+0xc0/0xc0
[  410.863917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.869460]  ? should_fail+0x22d/0xd01
[  410.873344]  ? lockdep_on+0x50/0x50
[  410.876976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.882080]  ? __lock_acquire+0x62f/0x4c20
[  410.886336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.891435]  ? __lock_acquire+0x62f/0x4c20
[  410.895672]  ? should_fail+0x22d/0xd01
[  410.899585]  ? kasan_check_read+0x11/0x20
[  410.903760]  ? mark_held_locks+0x130/0x130
[  410.908001]  ? mark_held_locks+0x130/0x130
[  410.912247]  ? zap_class+0x640/0x640
[  410.915971]  ? ret_from_fork+0x3a/0x50
[  410.919878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.925421]  ? check_preemption_disabled+0x48/0x280
[  410.930480]  ? __lock_is_held+0xb5/0x140
[  410.934575]  __alloc_pages_nodemask+0xad8/0xea0
[  410.939248]  ? zap_class+0x640/0x640
[  410.943000]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  410.948028]  ? find_held_lock+0x36/0x1c0
[  410.952114]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.956781]  ? lock_downgrade+0x900/0x900
[  410.960941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.966498]  cache_grow_begin+0xa5/0x8c0
[  410.970594]  ? do_raw_spin_unlock+0xa7/0x330
[  410.975012]  fallback_alloc+0x204/0x2e0
[  410.978995]  ____cache_alloc_node+0x1c7/0x1e0
[  410.983502]  kmem_cache_alloc_node+0xe3/0x730
[  410.987997]  ? mark_held_locks+0xc7/0x130
[  410.992174]  __alloc_skb+0x119/0x770
[  410.995897]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.000309]  ? do_raw_spin_trylock+0x270/0x270
[  411.004897]  ? kmem_cache_alloc_trace+0x353/0x750
[  411.009766]  ? queue_work_on+0x12c/0x1e0
[  411.013839]  ? switchdev_port_obj_del+0xdc/0x440
[  411.018603]  ? switchdev_trans_item_enqueue+0x260/0x260
[  411.023976]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.028999]  __br_mdb_notify+0x4ff/0x15d0
[  411.033163]  ? __br_mdb_add+0x7f0/0x7f0
[  411.037149]  ? zap_class+0x640/0x640
[  411.040874]  ? br_multicast_group_expired+0x96/0x610
[  411.045978]  ? lock_downgrade+0x900/0x900
[  411.050166]  br_mdb_notify+0x310/0x410
[  411.054057]  ? br_mdb_dump+0x27b0/0x27b0
[  411.058128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.063677]  br_multicast_group_expired+0x1bc/0x610
[  411.068699]  ? br_mdb_free+0x80/0x80
[  411.072427]  call_timer_fn+0x272/0x920
[  411.076335]  ? br_mdb_free+0x80/0x80
[  411.080048]  ? process_timeout+0x40/0x40
[  411.084113]  ? __run_timers+0x7da/0xc70
[  411.088105]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.092601]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.097097]  ? br_mdb_free+0x80/0x80
[  411.100811]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.105405]  ? trace_hardirqs_on+0xbd/0x310
[  411.109727]  ? kasan_check_read+0x11/0x20
[  411.113874]  ? __run_timers+0x7da/0xc70
[  411.117862]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.122967]  ? br_mdb_free+0x80/0x80
[  411.126691]  ? br_mdb_free+0x80/0x80
[  411.130409]  __run_timers+0x7e5/0xc70
[  411.134223]  ? timer_fixup_init+0x70/0x70
[  411.138371]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.142906]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.147415]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.152019]  ? trace_hardirqs_on+0xbd/0x310
[  411.156352]  ? kasan_check_read+0x11/0x20
[  411.160538]  ? finish_task_switch+0x1f4/0x910
[  411.165034]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.170141]  ? compat_start_thread+0x80/0x80
[  411.174575]  ? pvclock_read_flags+0x160/0x160
[  411.179066]  ? __switch_to_asm+0x34/0x70
[  411.183129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.188667]  ? check_preemption_disabled+0x48/0x280
[  411.193694]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  411.199245]  ? rcu_pm_notify+0xc0/0xc0
[  411.203163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.208717]  ? check_preemption_disabled+0x48/0x280
[  411.213741]  run_timer_softirq+0x52/0xb0
[  411.217806]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.222826]  __do_softirq+0x308/0xb7e
[  411.226632]  ? retint_kernel+0x2d/0x2d
[  411.230528]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.235661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.241112]  ? retint_kernel+0x2d/0x2d
[  411.245020]  ? schedule+0x108/0x460
[  411.248655]  ? trace_hardirqs_off+0xb8/0x310
[  411.253065]  ? smpboot_thread_fn+0x68b/0xa00
[  411.257475]  ? trace_hardirqs_on+0x310/0x310
[  411.261930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.267472]  ? check_preemption_disabled+0x48/0x280
[  411.272489]  ? takeover_tasklets+0xa90/0xa90
[  411.276898]  run_ksoftirqd+0x5e/0x100
[  411.280704]  smpboot_thread_fn+0x68b/0xa00
[  411.284946]  ? sort_range+0x30/0x30
[  411.288584]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.293719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.299256]  ? __kthread_parkme+0xfb/0x1a0
[  411.303500]  ? sort_range+0x30/0x30
[  411.307134]  kthread+0x35a/0x440
[  411.310508]  ? kthread_stop+0x900/0x900
[  411.314513]  ret_from_fork+0x3a/0x50
[  411.318267] warn_alloc_show_mem: 1 callbacks suppressed
[  411.318279] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  411.318281] Mem-Info:
[  411.318314] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  411.318314]  active_file:133 inactive_file:117 isolated_file:0
[  411.318314]  unevictable:0 dirty:3 writeback:0 unstable:0
[  411.318314]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  411.318314]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  411.318314]  free:13727 free_pcp:164 free_cma:0
[  411.323645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.331012] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  411.333419] Call Trace:
[  411.366628] 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
[  411.375970]  <IRQ>
[  411.403712] lowmem_reserve[]: 0 2818 6321 6321
[  411.406298]  dump_stack+0x244/0x39d
[  411.432382] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  411.434545]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.439100] lowmem_reserve[]: 0 0 3503 3503
[  411.442723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.470282] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  411.475467]  warn_alloc.cold.116+0xb7/0x1bd
[  411.479760] lowmem_reserve[]: 0 0 0 0
[  411.485288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.514500] 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
[  411.518818]  ? lock_downgrade+0x900/0x900
[  411.522609] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  411.527454]  ? trace_hardirqs_off+0xb8/0x310
[  411.540953] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  411.545092]  ? trace_hardirqs_off+0xb8/0x310
[  411.560426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.564824]  __alloc_pages_slowpath+0x2651/0x2de0
[  411.578322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.582737]  ? warn_alloc+0x120/0x120
[  411.591543] 2220 total pagecache pages
[  411.596377]  ? print_usage_bug+0xc0/0xc0
[  411.604942] 0 pages in swap cache
[  411.608732]  ? warn_alloc+0x120/0x120
[  411.612599] Swap cache stats: add 0, delete 0, find 0/0
[  411.616652]  ? warn_alloc+0x120/0x120
[  411.620078] Free swap  = 0kB
[  411.623874]  ? print_usage_bug+0xc0/0xc0
[  411.629210] Total swap = 0kB
[  411.633004]  ? kvm_clock_read+0x18/0x30
[  411.635996] 1965979 pages RAM
[  411.640051]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.643046] 0 pages HighMem/MovableOnly
[  411.647016]  ? print_usage_bug+0xc0/0xc0
[  411.650102] 342854 pages reserved
[  411.655109]  ? __lock_acquire+0x62f/0x4c20
[  411.659055] 0 pages cma reserved
[  411.663123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.666801] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.670776]  ? should_fail+0x22d/0xd01
[  411.670793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.674431] ksoftirqd/1 cpuset=/ mems_allowed=0
[  411.679969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.679987]  ? __lock_acquire+0x62f/0x4c20
[  411.713535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.718641]  ? __lock_acquire+0x62f/0x4c20
[  411.722879]  ? should_fail+0x22d/0xd01
[  411.726792]  ? rcu_irq_exit+0x1a2/0x390
[  411.730779]  ? mark_held_locks+0x130/0x130
[  411.735025]  ? mark_held_locks+0x130/0x130
[  411.739292]  ? mark_held_locks+0xc7/0x130
[  411.743447]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  411.748482]  ? zap_class+0x640/0x640
[  411.752196]  ? print_usage_bug+0xc0/0xc0
[  411.756263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.761811]  ? check_preemption_disabled+0x48/0x280
[  411.766843]  ? __lock_is_held+0xb5/0x140
[  411.770933]  __alloc_pages_nodemask+0xad8/0xea0
[  411.775607]  ? zap_class+0x640/0x640
[  411.779330]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  411.784353]  ? find_held_lock+0x36/0x1c0
[  411.788469]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.793144]  ? lock_downgrade+0x900/0x900
[  411.797301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.802875]  cache_grow_begin+0xa5/0x8c0
[  411.806941]  ? do_raw_spin_unlock+0xa7/0x330
[  411.811360]  fallback_alloc+0x204/0x2e0
[  411.815347]  ____cache_alloc_node+0x1c7/0x1e0
[  411.819872]  kmem_cache_alloc_node+0xe3/0x730
[  411.824367]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.828616]  __alloc_skb+0x119/0x770
[  411.832330]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.837627]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.842069]  ? lock_downgrade+0x900/0x900
[  411.846271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.851808]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.857263]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.862716]  ? addrconf_rs_timer+0x690/0x690
[  411.867139]  ndisc_alloc_skb+0x144/0x340
[  411.871208]  ndisc_send_rs+0x331/0x6e0
[  411.875100]  addrconf_rs_timer+0x314/0x690
[  411.879343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.883596]  call_timer_fn+0x272/0x920
[  411.887483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.891736]  ? process_timeout+0x40/0x40
[  411.895807]  ? __run_timers+0x7da/0xc70
[  411.899783]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.904282]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.908777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.913016]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.917604]  ? trace_hardirqs_on+0xbd/0x310
[  411.921926]  ? kasan_check_read+0x11/0x20
[  411.926085]  ? __run_timers+0x7da/0xc70
[  411.930059]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.935198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.939457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.943704]  __run_timers+0x7e5/0xc70
[  411.947523]  ? timer_fixup_init+0x70/0x70
[  411.951675]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.956697]  ? zap_class+0x640/0x640
[  411.960426]  ? enqueue_hrtimer+0x1a5/0x560
[  411.964667]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.969868]  ? find_held_lock+0x36/0x1c0
[  411.973941]  ? zap_class+0x640/0x640
[  411.977662]  ? pvclock_read_flags+0x160/0x160
[  411.982165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.987703]  ? check_preemption_disabled+0x48/0x280
[  411.992735]  ? __lock_is_held+0xb5/0x140
[  411.996801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.002338]  ? check_preemption_disabled+0x48/0x280
[  412.007360]  run_timer_softirq+0x52/0xb0
[  412.011437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.016464]  __do_softirq+0x308/0xb7e
[  412.020271]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.024767]  ? lock_downgrade+0x900/0x900
[  412.028921]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.034034]  ? pvclock_read_flags+0x160/0x160
[  412.038535]  ? lapic_next_event+0x5a/0x90
[  412.042686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.048229]  ? kvm_clock_read+0x18/0x30
[  412.052218]  ? kvm_sched_clock_read+0x9/0x20
[  412.056632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.062200]  ? check_preemption_disabled+0x48/0x280
[  412.067225]  irq_exit+0x17f/0x1c0
[  412.070708]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.075553]  ? smp_reschedule_interrupt+0x109/0x650
[  412.080576]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.086466]  ? interrupt_entry+0xb5/0xc0
[  412.090530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.095545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.100565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.105448]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.110484]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.115501]  ? task_prio+0x50/0x50
[  412.119055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.124608]  ? check_preemption_disabled+0x48/0x280
[  412.129633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.134492]  apic_timer_interrupt+0xf/0x20
[  412.138723]  </IRQ>
[  412.141000] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  412.145929] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  412.164832] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  412.172541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  412.179808] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  412.187074] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  412.194472] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  412.201742] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  412.209063]  skb_clone+0x1bb/0x500
[  412.212609]  ? skb_split+0x11e0/0x11e0
[  412.216501]  ? preempt_notifier_register+0x200/0x200
[  412.221629]  ? __switch_to_asm+0x34/0x70
[  412.225691]  ? __switch_to_asm+0x34/0x70
[  412.229752]  ? __switch_to_asm+0x40/0x70
[  412.233809]  ? __switch_to_asm+0x34/0x70
[  412.237869]  ? __switch_to_asm+0x40/0x70
[  412.241929]  ? __switch_to_asm+0x40/0x70
[  412.245988]  ? __switch_to_asm+0x34/0x70
[  412.250047]  ? __switch_to_asm+0x34/0x70
[  412.254104]  ? __switch_to_asm+0x40/0x70
[  412.258163]  ? __switch_to_asm+0x34/0x70
[  412.262232]  bpf_clone_redirect+0xb9/0x490
[  412.266474]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  412.271495]  ? __sched_text_start+0x8/0x8
[  412.275643]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.280422]  ? find_held_lock+0x36/0x1c0
[  412.284505]  ? lock_acquire+0x1ed/0x520
[  412.288483]  ? bpf_test_run+0x3ee/0x7a0
[  412.292468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.298009]  ? check_preemption_disabled+0x48/0x280
[  412.303037]  ? kasan_check_read+0x11/0x20
[  412.307185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.312466]  ? rcu_softirq_qs+0x20/0x20
[  412.316445]  ? preempt_schedule+0x4d/0x60
[  412.320593]  ? ___preempt_schedule+0x16/0x18
[  412.325008]  ? bpf_test_run+0x271/0x7a0
[  412.329023]  ? netlink_diag_dump+0x2a0/0x2a0
[  412.333438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.338976]  ? bpf_test_init.isra.10+0x70/0x100
[  412.343656]  ? bpf_prog_test_run_skb+0x762/0xd60
[  412.348434]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.353285]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.358822]  ? fput+0x130/0x1a0
[  412.362138]  ? __bpf_prog_get+0x9b/0x290
[  412.366204]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.371044]  ? bpf_prog_test_run+0x130/0x1a0
[  412.375461]  ? __x64_sys_bpf+0x3d8/0x520
[  412.379522]  ? bpf_prog_get+0x20/0x20
[  412.383341]  ? do_syscall_64+0x1b9/0x820
[  412.387429]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  412.392795]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.397726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.402574]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.407604]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  412.412621]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.417662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.422512]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  412.427894] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  412.427963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.434826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.434831] Call Trace:
[  412.434849]  dump_stack+0x244/0x39d
[  412.434869]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.434886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.441456] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.450715]  warn_alloc.cold.116+0xb7/0x1bd
[  412.453270] syz-executor2 cpuset=syz2 mems_allowed=0
[  412.456891]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.492283]  ? lock_downgrade+0x900/0x900
[  412.496441]  ? trace_hardirqs_off+0xb8/0x310
[  412.500857]  ? trace_hardirqs_off+0xb8/0x310
[  412.505274]  __alloc_pages_slowpath+0x2651/0x2de0
[  412.510143]  ? warn_alloc+0x120/0x120
[  412.513950]  ? warn_alloc+0x120/0x120
[  412.517757]  ? print_usage_bug+0xc0/0xc0
[  412.521820]  ? warn_alloc+0x120/0x120
[  412.525623]  ? print_usage_bug+0xc0/0xc0
[  412.529688]  ? print_usage_bug+0xc0/0xc0
[  412.533759]  ? check_usage_forwards+0x3d0/0x3d0
[  412.538437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.543974]  ? should_fail+0x22d/0xd01
[  412.547867]  ? __lock_acquire+0x62f/0x4c20
[  412.552139]  ? __lock_acquire+0x62f/0x4c20
[  412.556376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.561489]  ? __lock_acquire+0x62f/0x4c20
[  412.565727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.570832]  ? should_fail+0x22d/0xd01
[  412.574732]  ? mark_held_locks+0x130/0x130
[  412.578972]  ? mark_held_locks+0x130/0x130
[  412.583216]  ? kasan_check_read+0x11/0x20
[  412.587366]  ? __lock_acquire+0x2aff/0x4c20
[  412.591700]  ? zap_class+0x640/0x640
[  412.595429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.600970]  ? check_preemption_disabled+0x48/0x280
[  412.606002]  ? __lock_is_held+0xb5/0x140
[  412.610068]  __alloc_pages_nodemask+0xad8/0xea0
[  412.614736]  ? zap_class+0x640/0x640
[  412.618460]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  412.623490]  ? find_held_lock+0x36/0x1c0
[  412.627561]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.632233]  ? lock_downgrade+0x900/0x900
[  412.636398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.641947]  cache_grow_begin+0xa5/0x8c0
[  412.646027]  ? do_raw_spin_unlock+0xa7/0x330
[  412.650445]  fallback_alloc+0x204/0x2e0
[  412.654434]  ____cache_alloc_node+0x1c7/0x1e0
[  412.658942]  kmem_cache_alloc_node+0xe3/0x730
[  412.663440]  ? do_raw_spin_unlock+0xa7/0x330
[  412.667848]  ? do_raw_spin_trylock+0x270/0x270
[  412.672438]  __alloc_skb+0x119/0x770
[  412.676160]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.680570]  ? atomic_notifier_call_chain+0xc6/0x190
[  412.685675]  ? lock_downgrade+0x900/0x900
[  412.689828]  ? check_preemption_disabled+0x48/0x280
[  412.694847]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.699778]  ? kasan_check_read+0x11/0x20
[  412.703933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.709210]  ? rcu_softirq_qs+0x20/0x20
[  412.713183]  ? kasan_check_read+0x11/0x20
[  412.717334]  ? do_raw_write_trylock+0x270/0x270
[  412.722015]  __neigh_notify+0x8c/0x160
[  412.725907]  ? neigh_connected_output+0x780/0x780
[  412.730759]  neigh_timer_handler+0x6cb/0xdf0
[  412.735169]  ? check_preemption_disabled+0x48/0x280
[  412.740189]  ? neigh_periodic_work+0xc60/0xc60
[  412.744772]  ? __lock_is_held+0xb5/0x140
[  412.748850]  call_timer_fn+0x272/0x920
[  412.752738]  ? neigh_periodic_work+0xc60/0xc60
[  412.757321]  ? process_timeout+0x40/0x40
[  412.761833]  ? __run_timers+0x7da/0xc70
[  412.765815]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.770312]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.774804]  ? neigh_periodic_work+0xc60/0xc60
[  412.779397]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.783985]  ? trace_hardirqs_on+0xbd/0x310
[  412.788309]  ? kasan_check_read+0x11/0x20
[  412.792454]  ? __run_timers+0x7da/0xc70
[  412.796432]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.801551]  ? neigh_periodic_work+0xc60/0xc60
[  412.806131]  __run_timers+0x7e5/0xc70
[  412.809950]  ? timer_fixup_init+0x70/0x70
[  412.814099]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.818593]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.823089]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.827677]  ? trace_hardirqs_on+0xbd/0x310
[  412.832003]  ? kasan_check_read+0x11/0x20
[  412.836157]  ? finish_task_switch+0x1f4/0x910
[  412.840655]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.845758]  ? compat_start_thread+0x80/0x80
[  412.850189]  ? pvclock_read_flags+0x160/0x160
[  412.854685]  ? __switch_to_asm+0x34/0x70
[  412.858747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.864285]  ? check_preemption_disabled+0x48/0x280
[  412.869312]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.874856]  ? rcu_pm_notify+0xc0/0xc0
[  412.878747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.884288]  ? check_preemption_disabled+0x48/0x280
[  412.889308]  run_timer_softirq+0x52/0xb0
[  412.893373]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.898405]  __do_softirq+0x308/0xb7e
[  412.902214]  ? retint_kernel+0x2d/0x2d
[  412.906470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.911574]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.917028]  ? retint_kernel+0x2d/0x2d
[  412.920930]  ? schedule+0x108/0x460
[  412.924573]  ? trace_hardirqs_off+0xb8/0x310
[  412.928984]  ? smpboot_thread_fn+0x68b/0xa00
[  412.933403]  ? trace_hardirqs_on+0x310/0x310
[  412.937818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.943357]  ? check_preemption_disabled+0x48/0x280
[  412.948386]  ? takeover_tasklets+0xa90/0xa90
[  412.952807]  run_ksoftirqd+0x5e/0x100
[  412.956608]  smpboot_thread_fn+0x68b/0xa00
[  412.960851]  ? sort_range+0x30/0x30
[  412.964482]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.969588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.975132]  ? __kthread_parkme+0xfb/0x1a0
[  412.979374]  ? sort_range+0x30/0x30
[  412.983009]  kthread+0x35a/0x440
[  412.986384]  ? kthread_stop+0x900/0x900
[  412.990370]  ret_from_fork+0x3a/0x50
[  412.994114] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  412.994120] warn_alloc_show_mem: 1 callbacks suppressed
[  412.994127] Mem-Info:
[  413.001487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.006858] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  413.006858]  active_file:133 inactive_file:117 isolated_file:0
[  413.006858]  unevictable:0 dirty:3 writeback:0 unstable:0
[  413.006858]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  413.006858]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  413.006858]  free:13727 free_pcp:164 free_cma:0
[  413.009231] Call Trace:
[  413.018619] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  413.051808]  <IRQ>
[  413.054380] 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
[  413.082599]  dump_stack+0x244/0x39d
[  413.084731] lowmem_reserve[]: 0 2818 6321 6321
[  413.110837]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.114440] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  413.119020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.124179] lowmem_reserve[]: 0 0 3503 3503
[  413.151773]  warn_alloc.cold.116+0xb7/0x1bd
[  413.157279] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  413.161592]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.165889] lowmem_reserve[]: 0 0 0 0
[  413.195151]  ? lock_downgrade+0x900/0x900
[  413.199966] 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
[  413.203767]  ? trace_hardirqs_off+0xb8/0x310
[  413.207888] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  413.221419]  ? trace_hardirqs_off+0xb8/0x310
[  413.225799] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  413.241144]  __alloc_pages_slowpath+0x2651/0x2de0
[  413.245534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.259066]  ? warn_alloc+0x120/0x120
[  413.263873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.272696]  ? print_usage_bug+0xc0/0xc0
[  413.276472] 2220 total pagecache pages
[  413.285039]  ? warn_alloc+0x120/0x120
[  413.289079] 0 pages in swap cache
[  413.292952]  ? warn_alloc+0x120/0x120
[  413.296732] Swap cache stats: add 0, delete 0, find 0/0
[  413.300175]  ? print_usage_bug+0xc0/0xc0
[  413.303955] Free swap  = 0kB
[  413.309315]  ? kvm_clock_read+0x18/0x30
[  413.313349] Total swap = 0kB
[  413.316362]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.320310] 1965979 pages RAM
[  413.323325]  ? print_usage_bug+0xc0/0xc0
[  413.328316] 0 pages HighMem/MovableOnly
[  413.331434]  ? __lock_acquire+0x62f/0x4c20
[  413.335467] 342854 pages reserved
[  413.339441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.343648] 0 pages cma reserved
[  413.347098]  ? should_fail+0x22d/0xd01
[  413.352749] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.355960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.355980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.360091] ksoftirqd/1 cpuset=/ mems_allowed=0
[  413.370405]  ? __lock_acquire+0x62f/0x4c20
[  413.370431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.394861]  ? __lock_acquire+0x62f/0x4c20
[  413.399097]  ? should_fail+0x22d/0xd01
[  413.402984]  ? rcu_irq_exit+0x1a2/0x390
[  413.406969]  ? mark_held_locks+0x130/0x130
[  413.411214]  ? mark_held_locks+0x130/0x130
[  413.415457]  ? mark_held_locks+0xc7/0x130
[  413.419607]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.424628]  ? zap_class+0x640/0x640
[  413.428346]  ? print_usage_bug+0xc0/0xc0
[  413.432425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.437970]  ? check_preemption_disabled+0x48/0x280
[  413.443001]  ? __lock_is_held+0xb5/0x140
[  413.447067]  __alloc_pages_nodemask+0xad8/0xea0
[  413.451737]  ? zap_class+0x640/0x640
[  413.455455]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  413.460488]  ? find_held_lock+0x36/0x1c0
[  413.464560]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.469236]  ? lock_downgrade+0x900/0x900
[  413.473401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.478951]  cache_grow_begin+0xa5/0x8c0
[  413.483017]  ? do_raw_spin_unlock+0xa7/0x330
[  413.487443]  fallback_alloc+0x204/0x2e0
[  413.491442]  ____cache_alloc_node+0x1c7/0x1e0
[  413.495947]  kmem_cache_alloc_node+0xe3/0x730
[  413.500450]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.504696]  __alloc_skb+0x119/0x770
[  413.508420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.513703]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.518114]  ? lock_downgrade+0x900/0x900
[  413.522269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.527809]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.533263]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.538716]  ? addrconf_rs_timer+0x690/0x690
[  413.543136]  ndisc_alloc_skb+0x144/0x340
[  413.547201]  ndisc_send_rs+0x331/0x6e0
[  413.551096]  addrconf_rs_timer+0x314/0x690
[  413.555342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.559587]  call_timer_fn+0x272/0x920
[  413.563478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.567717]  ? process_timeout+0x40/0x40
[  413.571788]  ? __run_timers+0x7da/0xc70
[  413.575764]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.580259]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.584753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.588987]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.593571]  ? trace_hardirqs_on+0xbd/0x310
[  413.597892]  ? kasan_check_read+0x11/0x20
[  413.602042]  ? __run_timers+0x7da/0xc70
[  413.606022]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.611129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.615373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.619620]  __run_timers+0x7e5/0xc70
[  413.623444]  ? timer_fixup_init+0x70/0x70
[  413.627627]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.632644]  ? zap_class+0x640/0x640
[  413.636361]  ? enqueue_hrtimer+0x1a5/0x560
[  413.640609]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.645809]  ? find_held_lock+0x36/0x1c0
[  413.649880]  ? zap_class+0x640/0x640
[  413.653599]  ? pvclock_read_flags+0x160/0x160
[  413.658101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.663642]  ? check_preemption_disabled+0x48/0x280
[  413.668667]  ? __lock_is_held+0xb5/0x140
[  413.672729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.678272]  ? check_preemption_disabled+0x48/0x280
[  413.683295]  run_timer_softirq+0x52/0xb0
[  413.687359]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.692409]  __do_softirq+0x308/0xb7e
[  413.696225]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.700718]  ? lock_downgrade+0x900/0x900
[  413.704869]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.709976]  ? pvclock_read_flags+0x160/0x160
[  413.714479]  ? lapic_next_event+0x5a/0x90
[  413.718632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.724178]  ? kvm_clock_read+0x18/0x30
[  413.728156]  ? kvm_sched_clock_read+0x9/0x20
[  413.732566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.738109]  ? check_preemption_disabled+0x48/0x280
[  413.743134]  irq_exit+0x17f/0x1c0
[  413.746588]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.751437]  ? smp_reschedule_interrupt+0x109/0x650
[  413.756460]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.762342]  ? interrupt_entry+0xb5/0xc0
[  413.766417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.771445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.776465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.781313]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.786340]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.791359]  ? task_prio+0x50/0x50
[  413.794911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.800452]  ? check_preemption_disabled+0x48/0x280
[  413.805478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.810328]  apic_timer_interrupt+0xf/0x20
[  413.814555]  </IRQ>
[  413.816797] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  413.821727] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  413.840627] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  413.848331] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.855601] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  413.862867] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  413.870134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  413.877409] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  413.884726]  skb_clone+0x1bb/0x500
[  413.888273]  ? skb_split+0x11e0/0x11e0
[  413.892165]  ? preempt_notifier_register+0x200/0x200
[  413.897265]  ? __switch_to_asm+0x34/0x70
[  413.901328]  ? __switch_to_asm+0x34/0x70
[  413.905388]  ? __switch_to_asm+0x40/0x70
[  413.909460]  ? __switch_to_asm+0x34/0x70
[  413.913519]  ? __switch_to_asm+0x40/0x70
[  413.917582]  ? __switch_to_asm+0x40/0x70
[  413.921638]  ? __switch_to_asm+0x34/0x70
[  413.925701]  ? __switch_to_asm+0x34/0x70
[  413.929760]  ? __switch_to_asm+0x40/0x70
[  413.933820]  ? __switch_to_asm+0x34/0x70
[  413.937889]  bpf_clone_redirect+0xb9/0x490
[  413.942135]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  413.947157]  ? __sched_text_start+0x8/0x8
[  413.951308]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  413.956074]  ? find_held_lock+0x36/0x1c0
[  413.960143]  ? lock_acquire+0x1ed/0x520
[  413.964117]  ? bpf_test_run+0x3ee/0x7a0
[  413.968092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.973634]  ? check_preemption_disabled+0x48/0x280
[  413.978655]  ? kasan_check_read+0x11/0x20
[  413.982806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.988081]  ? rcu_softirq_qs+0x20/0x20
[  413.992059]  ? preempt_schedule+0x4d/0x60
[  413.996213]  ? ___preempt_schedule+0x16/0x18
[  414.000633]  ? bpf_test_run+0x271/0x7a0
[  414.004624]  ? netlink_diag_dump+0x2a0/0x2a0
[  414.009036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.014575]  ? bpf_test_init.isra.10+0x70/0x100
[  414.019252]  ? bpf_prog_test_run_skb+0x762/0xd60
[  414.024019]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.028872]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.034426]  ? fput+0x130/0x1a0
[  414.037712]  ? __bpf_prog_get+0x9b/0x290
[  414.041779]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.046622]  ? bpf_prog_test_run+0x130/0x1a0
[  414.051037]  ? __x64_sys_bpf+0x3d8/0x520
[  414.055100]  ? bpf_prog_get+0x20/0x20
[  414.058924]  ? do_syscall_64+0x1b9/0x820
[  414.063479]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.068847]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.073775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.078622]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.083640]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.088746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.093773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.098626]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.104010] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  414.104082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.110942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.110948] Call Trace:
[  414.110966]  dump_stack+0x244/0x39d
[  414.110989]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.117512] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.126814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.129372] syz-executor2 cpuset=syz2 mems_allowed=0
[  414.133007]  warn_alloc.cold.116+0xb7/0x1bd
[  414.163551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.168411]  ? lock_downgrade+0x900/0x900
[  414.172573]  ? trace_hardirqs_off+0xb8/0x310
[  414.176992]  ? trace_hardirqs_off+0xb8/0x310
[  414.181415]  __alloc_pages_slowpath+0x2651/0x2de0
[  414.186292]  ? warn_alloc+0x120/0x120
[  414.190110]  ? warn_alloc+0x120/0x120
[  414.194428]  ? warn_alloc+0x120/0x120
[  414.198234]  ? print_usage_bug+0xc0/0xc0
[  414.202295]  ? warn_alloc+0x120/0x120
[  414.206105]  ? print_usage_bug+0xc0/0xc0
[  414.210166]  ? warn_alloc+0x120/0x120
[  414.213989]  ? print_usage_bug+0xc0/0xc0
[  414.218085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.223624]  ? should_fail+0x22d/0xd01
[  414.227526]  ? print_usage_bug+0xc0/0xc0
[  414.231590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.236699]  ? __lock_acquire+0x62f/0x4c20
[  414.240945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.246053]  ? __lock_acquire+0x62f/0x4c20
[  414.250285]  ? should_fail+0x22d/0xd01
[  414.254183]  ? mark_held_locks+0x130/0x130
[  414.258433]  ? mark_held_locks+0x130/0x130
[  414.262678]  ? zap_class+0x640/0x640
[  414.266400]  ? mark_held_locks+0x130/0x130
[  414.270637]  ? mark_held_locks+0x130/0x130
[  414.274877]  ? zap_class+0x640/0x640
[  414.278596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.284140]  ? check_preemption_disabled+0x48/0x280
[  414.289165]  ? __lock_is_held+0xb5/0x140
[  414.293232]  __alloc_pages_nodemask+0xad8/0xea0
[  414.297906]  ? zap_class+0x640/0x640
[  414.301631]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  414.306665]  ? find_held_lock+0x36/0x1c0
[  414.310736]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.315414]  ? lock_downgrade+0x900/0x900
[  414.319572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.325116]  cache_grow_begin+0xa5/0x8c0
[  414.329176]  ? do_raw_spin_unlock+0xa7/0x330
[  414.333596]  fallback_alloc+0x204/0x2e0
[  414.337578]  ____cache_alloc_node+0x1c7/0x1e0
[  414.342080]  kmem_cache_alloc_node+0xe3/0x730
[  414.346578]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.351174]  __alloc_skb+0x119/0x770
[  414.354886]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  414.360258]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.364670]  ? lock_acquire+0x1ed/0x520
[  414.368650]  ? aoecmd_cfg+0x108/0x7f0
[  414.372457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.377997]  ? check_preemption_disabled+0x48/0x280
[  414.383019]  ? kasan_check_read+0x11/0x20
[  414.387167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.392444]  ? rcu_softirq_qs+0x20/0x20
[  414.396432]  new_skb+0x26/0x1c0
[  414.399712]  aoecmd_cfg+0x279/0x7f0
[  414.403348]  ? find_held_lock+0x36/0x1c0
[  414.407417]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  414.411750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.417287]  ? check_preemption_disabled+0x48/0x280
[  414.422313]  ? __lock_is_held+0xb5/0x140
[  414.426413]  discover_timer+0x50/0x60
[  414.430216]  call_timer_fn+0x272/0x920
[  414.434116]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  414.438977]  ? process_timeout+0x40/0x40
[  414.443048]  ? __run_timers+0x7da/0xc70
[  414.447025]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.451523]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.456019]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  414.460861]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.465451]  ? trace_hardirqs_on+0xbd/0x310
[  414.469775]  ? kasan_check_read+0x11/0x20
[  414.473925]  ? __run_timers+0x7da/0xc70
[  414.477904]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.483029]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  414.487897]  __run_timers+0x7e5/0xc70
[  414.491712]  ? timer_fixup_init+0x70/0x70
[  414.495859]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.500357]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.504863]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.509448]  ? trace_hardirqs_on+0xbd/0x310
[  414.513773]  ? kasan_check_read+0x11/0x20
[  414.517934]  ? finish_task_switch+0x1f4/0x910
[  414.522433]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.527538]  ? compat_start_thread+0x80/0x80
[  414.531968]  ? pvclock_read_flags+0x160/0x160
[  414.536463]  ? __switch_to_asm+0x34/0x70
[  414.540530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.546074]  ? check_preemption_disabled+0x48/0x280
[  414.551102]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  414.556642]  ? rcu_pm_notify+0xc0/0xc0
[  414.560535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.566073]  ? check_preemption_disabled+0x48/0x280
[  414.571108]  run_timer_softirq+0x52/0xb0
[  414.575169]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.580185]  __do_softirq+0x308/0xb7e
[  414.583992]  ? retint_kernel+0x2d/0x2d
[  414.587884]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.592994]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.598445]  ? retint_kernel+0x2d/0x2d
[  414.602344]  ? schedule+0x108/0x460
[  414.605984]  ? trace_hardirqs_off+0xb8/0x310
[  414.610404]  ? smpboot_thread_fn+0x68b/0xa00
[  414.614814]  ? trace_hardirqs_on+0x310/0x310
[  414.619228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.624767]  ? check_preemption_disabled+0x48/0x280
[  414.629783]  ? takeover_tasklets+0xa90/0xa90
[  414.634207]  run_ksoftirqd+0x5e/0x100
[  414.638013]  smpboot_thread_fn+0x68b/0xa00
[  414.642255]  ? sort_range+0x30/0x30
[  414.645881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.650990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.656529]  ? __kthread_parkme+0xfb/0x1a0
[  414.660769]  ? sort_range+0x30/0x30
[  414.664408]  kthread+0x35a/0x440
[  414.667782]  ? kthread_stop+0x900/0x900
[  414.671757]  ret_from_fork+0x3a/0x50
[  414.675506] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  414.675511] warn_alloc_show_mem: 1 callbacks suppressed
[  414.675519] Mem-Info:
[  414.682874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.688243] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  414.688243]  active_file:133 inactive_file:117 isolated_file:0
[  414.688243]  unevictable:0 dirty:3 writeback:0 unstable:0
[  414.688243]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  414.688243]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  414.688243]  free:13727 free_pcp:164 free_cma:0
[  414.690616] Call Trace:
[  414.700004] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  414.733193]  <IRQ>
[  414.735767] 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
[  414.763522]  dump_stack+0x244/0x39d
[  414.765646] lowmem_reserve[]: 0 2818 6321 6321
[  414.791752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.795357] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  414.799937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.805115] lowmem_reserve[]: 0 0 3503 3503
[  414.832700]  warn_alloc.cold.116+0xb7/0x1bd
[  414.838209] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  414.842522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.846816] lowmem_reserve[]: 0 0 0 0
[  414.876044]  ? lock_downgrade+0x900/0x900
[  414.880860] 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
[  414.884656]  ? trace_hardirqs_off+0xb8/0x310
[  414.888775] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  414.902296]  ? trace_hardirqs_off+0xb8/0x310
[  414.906682] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  414.922028]  __alloc_pages_slowpath+0x2651/0x2de0
[  414.926429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.939961]  ? warn_alloc+0x120/0x120
[  414.944762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.953584]  ? print_usage_bug+0xc0/0xc0
[  414.957362] 2220 total pagecache pages
[  414.965933]  ? warn_alloc+0x120/0x120
[  414.969976] 0 pages in swap cache
[  414.973848]  ? warn_alloc+0x120/0x120
[  414.977631] Swap cache stats: add 0, delete 0, find 0/0
[  414.981072]  ? print_usage_bug+0xc0/0xc0
[  414.984846] Free swap  = 0kB
[  414.990200]  ? print_usage_bug+0xc0/0xc0
[  414.994237] Total swap = 0kB
[  414.997253]  ? __lock_acquire+0x62f/0x4c20
[  415.001288] 1965979 pages RAM
[  415.004304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.008512] 0 pages HighMem/MovableOnly
[  415.011616]  ? should_fail+0x22d/0xd01
[  415.017126] 342854 pages reserved
[  415.021088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.024981] 0 pages cma reserved
[  415.028431]  ? __lock_acquire+0x62f/0x4c20
[  415.033575] aoe: skb alloc failure
[  415.036878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.041142] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.044623]  ? __lock_acquire+0x62f/0x4c20
[  415.049706] ksoftirqd/1 cpuset=/ mems_allowed=0
[  415.060448]  ? should_fail+0x22d/0xd01
[  415.060464]  ? find_held_lock+0x36/0x1c0
[  415.077265]  ? mark_held_locks+0x130/0x130
[  415.081508]  ? mark_held_locks+0x130/0x130
[  415.085743]  ? zap_class+0x640/0x640
[  415.089461]  ? zap_class+0x640/0x640
[  415.093181]  ? print_usage_bug+0xc0/0xc0
[  415.097241]  ? do_raw_spin_unlock+0xa7/0x330
[  415.101652]  ? zap_class+0x640/0x640
[  415.105365]  ? print_usage_bug+0xc0/0xc0
[  415.109444]  ? wq_watchdog_touch+0x9c/0xfe
[  415.113683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.119226]  ? check_preemption_disabled+0x48/0x280
[  415.124256]  ? __lock_is_held+0xb5/0x140
[  415.128323]  __alloc_pages_nodemask+0xad8/0xea0
[  415.132995]  ? zap_class+0x640/0x640
[  415.136715]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  415.141745]  ? find_held_lock+0x36/0x1c0
[  415.145817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.150492]  ? lock_downgrade+0x900/0x900
[  415.154653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.160198]  cache_grow_begin+0xa5/0x8c0
[  415.164257]  ? do_raw_spin_unlock+0xa7/0x330
[  415.168674]  fallback_alloc+0x204/0x2e0
[  415.172658]  ____cache_alloc_node+0x1c7/0x1e0
[  415.177161]  kmem_cache_alloc_node+0xe3/0x730
[  415.181660]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.185908]  __alloc_skb+0x119/0x770
[  415.189622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.194903]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.199313]  ? lock_downgrade+0x900/0x900
[  415.203471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.209008]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.214466]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.219919]  ? addrconf_rs_timer+0x690/0x690
[  415.224342]  ndisc_alloc_skb+0x144/0x340
[  415.228460]  ndisc_send_rs+0x331/0x6e0
[  415.232384]  addrconf_rs_timer+0x314/0x690
[  415.236640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.240885]  call_timer_fn+0x272/0x920
[  415.244773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.249007]  ? process_timeout+0x40/0x40
[  415.253074]  ? __run_timers+0x7da/0xc70
[  415.257048]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.261559]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.266067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.270376]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.274994]  ? trace_hardirqs_on+0xbd/0x310
[  415.279320]  ? kasan_check_read+0x11/0x20
[  415.283466]  ? __run_timers+0x7da/0xc70
[  415.287446]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.292553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.296791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.301024]  __run_timers+0x7e5/0xc70
[  415.304835]  ? timer_fixup_init+0x70/0x70
[  415.308989]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.314007]  ? zap_class+0x640/0x640
[  415.317729]  ? enqueue_hrtimer+0x1a5/0x560
[  415.321980]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.327172]  ? find_held_lock+0x36/0x1c0
[  415.331236]  ? zap_class+0x640/0x640
[  415.334957]  ? pvclock_read_flags+0x160/0x160
[  415.339456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.344998]  ? check_preemption_disabled+0x48/0x280
[  415.350041]  ? __lock_is_held+0xb5/0x140
[  415.354102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.359669]  ? check_preemption_disabled+0x48/0x280
[  415.364692]  run_timer_softirq+0x52/0xb0
[  415.368756]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.373775]  __do_softirq+0x308/0xb7e
[  415.377578]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.382073]  ? lock_downgrade+0x900/0x900
[  415.386227]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.391352]  ? pvclock_read_flags+0x160/0x160
[  415.395849]  ? lapic_next_event+0x5a/0x90
[  415.399999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.405541]  ? kvm_clock_read+0x18/0x30
[  415.409520]  ? kvm_sched_clock_read+0x9/0x20
[  415.413933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.419474]  ? check_preemption_disabled+0x48/0x280
[  415.424542]  irq_exit+0x17f/0x1c0
[  415.428040]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.432875]  ? smp_reschedule_interrupt+0x109/0x650
[  415.437890]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.443775]  ? interrupt_entry+0xb5/0xc0
[  415.447837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.452854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.457873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.462734]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.467750]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.472780]  ? task_prio+0x50/0x50
[  415.476377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.481967]  ? check_preemption_disabled+0x48/0x280
[  415.487008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.491877]  apic_timer_interrupt+0xf/0x20
[  415.496106]  </IRQ>
[  415.498353] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.503282] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  415.522184] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  415.529892] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.537160] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  415.544432] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  415.551700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.558980] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  415.566291]  skb_clone+0x1bb/0x500
[  415.569835]  ? skb_split+0x11e0/0x11e0
[  415.573744]  ? preempt_notifier_register+0x200/0x200
[  415.578843]  ? __switch_to_asm+0x34/0x70
[  415.582903]  ? __switch_to_asm+0x34/0x70
[  415.586979]  ? __switch_to_asm+0x40/0x70
[  415.591039]  ? __switch_to_asm+0x34/0x70
[  415.595099]  ? __switch_to_asm+0x40/0x70
[  415.599158]  ? __switch_to_asm+0x40/0x70
[  415.603215]  ? __switch_to_asm+0x34/0x70
[  415.607274]  ? __switch_to_asm+0x34/0x70
[  415.611334]  ? __switch_to_asm+0x40/0x70
[  415.615404]  ? __switch_to_asm+0x34/0x70
[  415.619477]  bpf_clone_redirect+0xb9/0x490
[  415.623720]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  415.628740]  ? __sched_text_start+0x8/0x8
[  415.632888]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.637655]  ? find_held_lock+0x36/0x1c0
[  415.641730]  ? lock_acquire+0x1ed/0x520
[  415.645704]  ? bpf_test_run+0x3ee/0x7a0
[  415.649679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.655217]  ? check_preemption_disabled+0x48/0x280
[  415.660238]  ? kasan_check_read+0x11/0x20
[  415.664398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.669700]  ? rcu_softirq_qs+0x20/0x20
[  415.673678]  ? preempt_schedule+0x4d/0x60
[  415.677830]  ? ___preempt_schedule+0x16/0x18
[  415.682245]  ? bpf_test_run+0x271/0x7a0
[  415.686233]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.690646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.696183]  ? bpf_test_init.isra.10+0x70/0x100
[  415.700864]  ? bpf_prog_test_run_skb+0x762/0xd60
[  415.705632]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.710482]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.716035]  ? fput+0x130/0x1a0
[  415.719324]  ? __bpf_prog_get+0x9b/0x290
[  415.723401]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.728249]  ? bpf_prog_test_run+0x130/0x1a0
[  415.732660]  ? __x64_sys_bpf+0x3d8/0x520
[  415.736723]  ? bpf_prog_get+0x20/0x20
[  415.740546]  ? do_syscall_64+0x1b9/0x820
[  415.744607]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.749972]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.754905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.759756]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.764773]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.769794]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.774817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.779666]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.785050] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  415.785119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.791976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.791981] Call Trace:
[  415.792000]  dump_stack+0x244/0x39d
[  415.792022]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.798547] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.807845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.810437] syz-executor2 cpuset=syz2 mems_allowed=0
[  415.814063]  warn_alloc.cold.116+0xb7/0x1bd
[  415.844631]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.849496]  ? lock_downgrade+0x900/0x900
[  415.853654]  ? trace_hardirqs_off+0xb8/0x310
[  415.858074]  ? trace_hardirqs_off+0xb8/0x310
[  415.862497]  __alloc_pages_slowpath+0x2651/0x2de0
[  415.867374]  ? warn_alloc+0x120/0x120
[  415.871193]  ? warn_alloc+0x120/0x120
[  415.875000]  ? warn_alloc+0x120/0x120
[  415.878804]  ? print_usage_bug+0xc0/0xc0
[  415.882869]  ? print_usage_bug+0xc0/0xc0
[  415.886936]  ? mark_held_locks+0x130/0x130
[  415.891175]  ? mark_held_locks+0x130/0x130
[  415.895420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.900960]  ? should_fail+0x22d/0xd01
[  415.904846]  ? zap_class+0x640/0x640
[  415.908565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.913669]  ? __lock_acquire+0x62f/0x4c20
[  415.917929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.923044]  ? __lock_acquire+0x62f/0x4c20
[  415.927274]  ? should_fail+0x22d/0xd01
[  415.931171]  ? mark_held_locks+0x130/0x130
[  415.935418]  ? mark_held_locks+0x130/0x130
[  415.939654]  ? lock_downgrade+0x900/0x900
[  415.943806]  ? zap_class+0x640/0x640
[  415.947525]  ? zap_class+0x640/0x640
[  415.951241]  ? do_raw_spin_unlock+0xa7/0x330
[  415.955657]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.960419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.965959]  ? check_preemption_disabled+0x48/0x280
[  415.970987]  ? __lock_is_held+0xb5/0x140
[  415.975053]  __alloc_pages_nodemask+0xad8/0xea0
[  415.979723]  ? zap_class+0x640/0x640
[  415.983446]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  415.988476]  ? find_held_lock+0x36/0x1c0
[  415.992578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.997247]  ? lock_downgrade+0x900/0x900
[  416.001426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.006974]  cache_grow_begin+0xa5/0x8c0
[  416.011049]  ? do_raw_spin_unlock+0xa7/0x330
[  416.015465]  fallback_alloc+0x204/0x2e0
[  416.019453]  ____cache_alloc_node+0x1c7/0x1e0
[  416.023956]  kmem_cache_alloc_node+0xe3/0x730
[  416.028468]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.033063]  __alloc_skb+0x119/0x770
[  416.036775]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  416.042157]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.046572]  ? vprintk_default+0x28/0x30
[  416.050638]  ? vprintk_func+0x85/0x181
[  416.054527]  ? printk+0xa7/0xcf
[  416.057814]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  416.062744]  new_skb+0x26/0x1c0
[  416.066031]  aoecmd_cfg+0x279/0x7f0
[  416.069662]  ? find_held_lock+0x36/0x1c0
[  416.073727]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  416.078057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.083606]  ? __lock_is_held+0xb5/0x140
[  416.087684]  discover_timer+0x50/0x60
[  416.091485]  call_timer_fn+0x272/0x920
[  416.095378]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  416.100232]  ? process_timeout+0x40/0x40
[  416.104304]  ? __run_timers+0x7da/0xc70
[  416.108279]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.112776]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.117272]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  416.122115]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.126700]  ? trace_hardirqs_on+0xbd/0x310
[  416.131023]  ? kasan_check_read+0x11/0x20
[  416.135173]  ? __run_timers+0x7da/0xc70
[  416.139154]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.144273]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  416.149115]  __run_timers+0x7e5/0xc70
[  416.152931]  ? timer_fixup_init+0x70/0x70
[  416.157079]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.161573]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.166074]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.170661]  ? trace_hardirqs_on+0xbd/0x310
[  416.174981]  ? kasan_check_read+0x11/0x20
[  416.179169]  ? finish_task_switch+0x1f4/0x910
[  416.183664]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.188773]  ? compat_start_thread+0x80/0x80
[  416.193753]  ? pvclock_read_flags+0x160/0x160
[  416.198246]  ? __switch_to_asm+0x34/0x70
[  416.202340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.207882]  ? check_preemption_disabled+0x48/0x280
[  416.212923]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  416.218465]  ? rcu_pm_notify+0xc0/0xc0
[  416.222355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.227910]  ? check_preemption_disabled+0x48/0x280
[  416.232954]  run_timer_softirq+0x52/0xb0
[  416.237014]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.242032]  __do_softirq+0x308/0xb7e
[  416.245841]  ? retint_kernel+0x2d/0x2d
[  416.249736]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.254840]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.260306]  ? retint_kernel+0x2d/0x2d
[  416.264199]  ? schedule+0x108/0x460
[  416.267835]  ? trace_hardirqs_off+0xb8/0x310
[  416.272243]  ? smpboot_thread_fn+0x68b/0xa00
[  416.276656]  ? trace_hardirqs_on+0x310/0x310
[  416.281066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.286603]  ? check_preemption_disabled+0x48/0x280
[  416.291625]  ? takeover_tasklets+0xa90/0xa90
[  416.296035]  run_ksoftirqd+0x5e/0x100
[  416.299835]  smpboot_thread_fn+0x68b/0xa00
[  416.304072]  ? sort_range+0x30/0x30
[  416.307702]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.312811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.318350]  ? __kthread_parkme+0xfb/0x1a0
[  416.322587]  ? sort_range+0x30/0x30
[  416.326216]  kthread+0x35a/0x440
[  416.329584]  ? kthread_stop+0x900/0x900
[  416.333563]  ret_from_fork+0x3a/0x50
[  416.337290] warn_alloc_show_mem: 1 callbacks suppressed
[  416.337303] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  416.337305] Mem-Info:
[  416.337338] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  416.337338]  active_file:133 inactive_file:117 isolated_file:0
[  416.337338]  unevictable:0 dirty:3 writeback:0 unstable:0
[  416.337338]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  416.337338]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  416.337338]  free:13727 free_pcp:164 free_cma:0
[  416.342672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.350038] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  416.352440] Call Trace:
[  416.385650] 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
[  416.395007]  <IRQ>
[  416.422744] lowmem_reserve[]: 0 2818 6321 6321
[  416.425326]  dump_stack+0x244/0x39d
[  416.451423] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  416.453569]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.458127] lowmem_reserve[]: 0 0 3503 3503
[  416.461754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.489313] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  416.494532]  warn_alloc.cold.116+0xb7/0x1bd
[  416.498821] lowmem_reserve[]: 0 0 0 0
[  416.504350]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.533557] 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
[  416.537890]  ? lock_downgrade+0x900/0x900
[  416.541682] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  416.546522]  ? trace_hardirqs_off+0xb8/0x310
[  416.560016] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  416.564163]  ? trace_hardirqs_off+0xb8/0x310
[  416.579492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.583889]  __alloc_pages_slowpath+0x2651/0x2de0
[  416.597399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.601823]  ? warn_alloc+0x120/0x120
[  416.610613] 2220 total pagecache pages
[  416.615448]  ? print_usage_bug+0xc0/0xc0
[  416.623999] 0 pages in swap cache
[  416.627784]  ? warn_alloc+0x120/0x120
[  416.631651] Swap cache stats: add 0, delete 0, find 0/0
[  416.635700]  ? warn_alloc+0x120/0x120
[  416.639127] Free swap  = 0kB
[  416.642924]  ? print_usage_bug+0xc0/0xc0
[  416.648271] Total swap = 0kB
[  416.652069]  ? print_usage_bug+0xc0/0xc0
[  416.655061] 1965979 pages RAM
[  416.659114]  ? __lock_acquire+0x62f/0x4c20
[  416.662110] 0 pages HighMem/MovableOnly
[  416.666163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.669247] 342854 pages reserved
[  416.673478]  ? should_fail+0x22d/0xd01
[  416.677428] 0 pages cma reserved
[  416.682957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.686491] aoe: skb alloc failure
[  416.690303]  ? __lock_acquire+0x62f/0x4c20
[  416.690323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.690340]  ? __lock_acquire+0x62f/0x4c20
[  416.693717] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.698783]  ? should_fail+0x22d/0xd01
[  416.702297] ksoftirqd/1 cpuset=/ mems_allowed=0
[  416.706537]  ? find_held_lock+0x36/0x1c0
[  416.738711]  ? mark_held_locks+0x130/0x130
[  416.742955]  ? mark_held_locks+0x130/0x130
[  416.747187]  ? zap_class+0x640/0x640
[  416.750904]  ? zap_class+0x640/0x640
[  416.754623]  ? print_usage_bug+0xc0/0xc0
[  416.758687]  ? do_raw_spin_unlock+0xa7/0x330
[  416.763100]  ? zap_class+0x640/0x640
[  416.766813]  ? print_usage_bug+0xc0/0xc0
[  416.770872]  ? wq_watchdog_touch+0x9c/0xfe
[  416.775112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.780653]  ? check_preemption_disabled+0x48/0x280
[  416.785681]  ? __lock_is_held+0xb5/0x140
[  416.789748]  __alloc_pages_nodemask+0xad8/0xea0
[  416.794430]  ? zap_class+0x640/0x640
[  416.798160]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  416.803198]  ? find_held_lock+0x36/0x1c0
[  416.807269]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.811988]  ? lock_downgrade+0x900/0x900
[  416.816148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.821689]  cache_grow_begin+0xa5/0x8c0
[  416.825762]  ? do_raw_spin_unlock+0xa7/0x330
[  416.830182]  fallback_alloc+0x204/0x2e0
[  416.834163]  ____cache_alloc_node+0x1c7/0x1e0
[  416.838664]  kmem_cache_alloc_node+0xe3/0x730
[  416.843164]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.847421]  __alloc_skb+0x119/0x770
[  416.851151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.856437]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.860846]  ? lock_downgrade+0x900/0x900
[  416.865001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.870539]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.875996]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.881448]  ? addrconf_rs_timer+0x690/0x690
[  416.885868]  ndisc_alloc_skb+0x144/0x340
[  416.889934]  ndisc_send_rs+0x331/0x6e0
[  416.893838]  addrconf_rs_timer+0x314/0x690
[  416.898077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.902341]  call_timer_fn+0x272/0x920
[  416.906247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.910480]  ? process_timeout+0x40/0x40
[  416.914549]  ? __run_timers+0x7da/0xc70
[  416.918526]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.923020]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.927514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.931752]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.936336]  ? trace_hardirqs_on+0xbd/0x310
[  416.940658]  ? kasan_check_read+0x11/0x20
[  416.944820]  ? __run_timers+0x7da/0xc70
[  416.948797]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.953933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.958177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.962437]  __run_timers+0x7e5/0xc70
[  416.966261]  ? timer_fixup_init+0x70/0x70
[  416.970423]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.975451]  ? zap_class+0x640/0x640
[  416.979169]  ? enqueue_hrtimer+0x1a5/0x560
[  416.983419]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.988618]  ? find_held_lock+0x36/0x1c0
[  416.992689]  ? zap_class+0x640/0x640
[  416.996421]  ? pvclock_read_flags+0x160/0x160
[  417.000925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.006511]  ? check_preemption_disabled+0x48/0x280
[  417.011542]  ? __lock_is_held+0xb5/0x140
[  417.015603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.021139]  ? check_preemption_disabled+0x48/0x280
[  417.026161]  run_timer_softirq+0x52/0xb0
[  417.030222]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.035239]  __do_softirq+0x308/0xb7e
[  417.039048]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.043543]  ? lock_downgrade+0x900/0x900
[  417.047695]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.052838]  ? pvclock_read_flags+0x160/0x160
[  417.057341]  ? lapic_next_event+0x5a/0x90
[  417.061958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.067501]  ? kvm_clock_read+0x18/0x30
[  417.071489]  ? kvm_sched_clock_read+0x9/0x20
[  417.075917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.081470]  ? check_preemption_disabled+0x48/0x280
[  417.086494]  irq_exit+0x17f/0x1c0
[  417.089951]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.094792]  ? smp_reschedule_interrupt+0x109/0x650
[  417.099811]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.105699]  ? interrupt_entry+0xb5/0xc0
[  417.109761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.114795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.119812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.124662]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.129683]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.134697]  ? task_prio+0x50/0x50
[  417.138241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.143781]  ? check_preemption_disabled+0x48/0x280
[  417.148801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.153652]  apic_timer_interrupt+0xf/0x20
[  417.157880]  </IRQ>
[  417.160137] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  417.165070] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  417.183967] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  417.191672] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  417.198942] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  417.206208] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  417.213478] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  417.220747] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  417.228051]  skb_clone+0x1bb/0x500
[  417.231593]  ? skb_split+0x11e0/0x11e0
[  417.235516]  ? preempt_notifier_register+0x200/0x200
[  417.240621]  ? __switch_to_asm+0x34/0x70
[  417.244683]  ? __switch_to_asm+0x34/0x70
[  417.248740]  ? __switch_to_asm+0x40/0x70
[  417.252797]  ? __switch_to_asm+0x34/0x70
[  417.256857]  ? __switch_to_asm+0x40/0x70
[  417.260916]  ? __switch_to_asm+0x40/0x70
[  417.264978]  ? __switch_to_asm+0x34/0x70
[  417.269070]  ? __switch_to_asm+0x34/0x70
[  417.273143]  ? __switch_to_asm+0x40/0x70
[  417.277205]  ? __switch_to_asm+0x34/0x70
[  417.281273]  bpf_clone_redirect+0xb9/0x490
[  417.285517]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  417.290535]  ? __sched_text_start+0x8/0x8
[  417.294689]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  417.299464]  ? find_held_lock+0x36/0x1c0
[  417.303539]  ? lock_acquire+0x1ed/0x520
[  417.307519]  ? bpf_test_run+0x3ee/0x7a0
[  417.311495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.317047]  ? check_preemption_disabled+0x48/0x280
[  417.322068]  ? kasan_check_read+0x11/0x20
[  417.326218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.331497]  ? rcu_softirq_qs+0x20/0x20
[  417.335476]  ? preempt_schedule+0x4d/0x60
[  417.339625]  ? ___preempt_schedule+0x16/0x18
[  417.344054]  ? bpf_test_run+0x271/0x7a0
[  417.348041]  ? netlink_diag_dump+0x2a0/0x2a0
[  417.352473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.358033]  ? bpf_test_init.isra.10+0x70/0x100
[  417.362711]  ? bpf_prog_test_run_skb+0x762/0xd60
[  417.367476]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.372327]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.377865]  ? fput+0x130/0x1a0
[  417.381150]  ? __bpf_prog_get+0x9b/0x290
[  417.385217]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.390060]  ? bpf_prog_test_run+0x130/0x1a0
[  417.394471]  ? __x64_sys_bpf+0x3d8/0x520
[  417.398533]  ? bpf_prog_get+0x20/0x20
[  417.402357]  ? do_syscall_64+0x1b9/0x820
[  417.406434]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.411803]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.416732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.421580]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.426597]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.431618]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.436642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.441492]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.446873] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  417.446955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.453817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.453822] Call Trace:
[  417.453840]  dump_stack+0x244/0x39d
[  417.453862]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.460433] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.469686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.472244] syz-executor2 cpuset=syz2 mems_allowed=0
[  417.475873]  warn_alloc.cold.116+0xb7/0x1bd
[  417.506432]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.511283]  ? lock_downgrade+0x900/0x900
[  417.515446]  ? trace_hardirqs_off+0xb8/0x310
[  417.519866]  ? trace_hardirqs_off+0xb8/0x310
[  417.524288]  __alloc_pages_slowpath+0x2651/0x2de0
[  417.529163]  ? warn_alloc+0x120/0x120
[  417.532993]  ? warn_alloc+0x120/0x120
[  417.536800]  ? warn_alloc+0x120/0x120
[  417.540604]  ? print_usage_bug+0xc0/0xc0
[  417.544671]  ? print_usage_bug+0xc0/0xc0
[  417.548739]  ? mark_held_locks+0x130/0x130
[  417.552980]  ? mark_held_locks+0x130/0x130
[  417.557217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.562758]  ? should_fail+0x22d/0xd01
[  417.566648]  ? zap_class+0x640/0x640
[  417.570368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.575481]  ? __lock_acquire+0x62f/0x4c20
[  417.579720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.584823]  ? __lock_acquire+0x62f/0x4c20
[  417.589057]  ? should_fail+0x22d/0xd01
[  417.592956]  ? mark_held_locks+0x130/0x130
[  417.597196]  ? mark_held_locks+0x130/0x130
[  417.601430]  ? lock_downgrade+0x900/0x900
[  417.605587]  ? zap_class+0x640/0x640
[  417.609304]  ? zap_class+0x640/0x640
[  417.613019]  ? zap_class+0x640/0x640
[  417.616730]  ? do_raw_spin_unlock+0xa7/0x330
[  417.621138]  ? trace_hardirqs_on+0x310/0x310
[  417.625548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.631092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.636631]  ? check_preemption_disabled+0x48/0x280
[  417.641664]  ? __lock_is_held+0xb5/0x140
[  417.645733]  __alloc_pages_nodemask+0xad8/0xea0
[  417.650413]  ? zap_class+0x640/0x640
[  417.654135]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  417.659163]  ? find_held_lock+0x36/0x1c0
[  417.663231]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.667911]  ? lock_downgrade+0x900/0x900
[  417.672072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.677614]  cache_grow_begin+0xa5/0x8c0
[  417.681676]  ? do_raw_spin_unlock+0xa7/0x330
[  417.686093]  fallback_alloc+0x204/0x2e0
[  417.690080]  ____cache_alloc_node+0x1c7/0x1e0
[  417.694586]  kmem_cache_alloc_node+0xe3/0x730
[  417.699085]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.703677]  __alloc_skb+0x119/0x770
[  417.707398]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  417.712770]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.717185]  ? vprintk_default+0x28/0x30
[  417.721260]  ? vprintk_func+0x85/0x181
[  417.725151]  ? printk+0xa7/0xcf
[  417.728435]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  417.733204]  new_skb+0x26/0x1c0
[  417.736485]  aoecmd_cfg+0x279/0x7f0
[  417.740116]  ? find_held_lock+0x36/0x1c0
[  417.744221]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  417.748565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.754127]  ? __lock_is_held+0xb5/0x140
[  417.758215]  discover_timer+0x50/0x60
[  417.762014]  call_timer_fn+0x272/0x920
[  417.765905]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  417.770753]  ? process_timeout+0x40/0x40
[  417.774821]  ? __run_timers+0x7da/0xc70
[  417.778801]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.783295]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.787792]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  417.792634]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.797223]  ? trace_hardirqs_on+0xbd/0x310
[  417.801544]  ? kasan_check_read+0x11/0x20
[  417.805691]  ? __run_timers+0x7da/0xc70
[  417.809666]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.814786]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  417.819631]  __run_timers+0x7e5/0xc70
[  417.823444]  ? timer_fixup_init+0x70/0x70
[  417.827597]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.832093]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.836588]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.841171]  ? trace_hardirqs_on+0xbd/0x310
[  417.845493]  ? kasan_check_read+0x11/0x20
[  417.849644]  ? finish_task_switch+0x1f4/0x910
[  417.854139]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.859257]  ? compat_start_thread+0x80/0x80
[  417.863687]  ? pvclock_read_flags+0x160/0x160
[  417.868179]  ? __switch_to_asm+0x34/0x70
[  417.872239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.877780]  ? check_preemption_disabled+0x48/0x280
[  417.882820]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  417.888375]  ? rcu_pm_notify+0xc0/0xc0
[  417.892269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.897821]  ? check_preemption_disabled+0x48/0x280
[  417.902872]  run_timer_softirq+0x52/0xb0
[  417.906938]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.911959]  __do_softirq+0x308/0xb7e
[  417.915790]  ? retint_kernel+0x2d/0x2d
[  417.919686]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.924791]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.930239]  ? retint_kernel+0x2d/0x2d
[  417.934134]  ? schedule+0x108/0x460
[  417.937771]  ? trace_hardirqs_off+0xb8/0x310
[  417.942211]  ? smpboot_thread_fn+0x68b/0xa00
[  417.946620]  ? trace_hardirqs_on+0x310/0x310
[  417.951031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.956572]  ? check_preemption_disabled+0x48/0x280
[  417.961593]  ? takeover_tasklets+0xa90/0xa90
[  417.966006]  run_ksoftirqd+0x5e/0x100
[  417.969811]  smpboot_thread_fn+0x68b/0xa00
[  417.974048]  ? sort_range+0x30/0x30
[  417.977676]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.982797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.988331]  ? __kthread_parkme+0xfb/0x1a0
[  417.992585]  ? sort_range+0x30/0x30
[  417.996215]  kthread+0x35a/0x440
[  417.999585]  ? kthread_stop+0x900/0x900
[  418.003561]  ret_from_fork+0x3a/0x50
[  418.007289] warn_alloc_show_mem: 1 callbacks suppressed
[  418.007302] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  418.007303] Mem-Info:
[  418.007350] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  418.007350]  active_file:133 inactive_file:117 isolated_file:0
[  418.007350]  unevictable:0 dirty:3 writeback:0 unstable:0
[  418.007350]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  418.007350]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  418.007350]  free:13727 free_pcp:164 free_cma:0
[  418.012679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.012688] Call Trace:
[  418.020070] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  418.022468]  <IRQ>
[  418.055678] 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
[  418.065029]  dump_stack+0x244/0x39d
[  418.067587] lowmem_reserve[]: 0 2818 6321 6321
[  418.095343]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.097475] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  418.123578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.127182] lowmem_reserve[]: 0 0 3503 3503
[  418.131763]  warn_alloc.cold.116+0xb7/0x1bd
[  418.136931] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  418.164511]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.170020] lowmem_reserve[]: 0 0 0 0
[  418.174340]  ? lock_downgrade+0x900/0x900
[  418.178637] 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
[  418.208053]  ? trace_hardirqs_off+0xb8/0x310
[  418.212869] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  418.216665]  ? trace_hardirqs_off+0xb8/0x310
[  418.220791] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  418.234313]  __alloc_pages_slowpath+0x2651/0x2de0
[  418.238698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.254049]  ? warn_alloc+0x120/0x120
[  418.258430] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.271939]  ? print_usage_bug+0xc0/0xc0
[  418.276761] 2220 total pagecache pages
[  418.285590]  ? warn_alloc+0x120/0x120
[  418.289473] 0 pages in swap cache
[  418.298073]  ? warn_alloc+0x120/0x120
[  418.302118] Swap cache stats: add 0, delete 0, find 0/0
[  418.305997]  ? print_usage_bug+0xc0/0xc0
[  418.309774] Free swap  = 0kB
[  418.313223]  ? kvm_clock_read+0x18/0x30
[  418.316997] Total swap = 0kB
[  418.322357]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.326399] 1965979 pages RAM
[  418.329430]  ? print_usage_bug+0xc0/0xc0
[  418.333375] 0 pages HighMem/MovableOnly
[  418.336406]  ? __lock_acquire+0x62f/0x4c20
[  418.341403] 342854 pages reserved
[  418.344509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.348548] 0 pages cma reserved
[  418.352523]  ? should_fail+0x22d/0xd01
[  418.356805] aoe: skb alloc failure
[  418.360177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.360196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.360213]  ? __lock_acquire+0x62f/0x4c20
[  418.365757] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.369094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.372958] ksoftirqd/1 cpuset=/ mems_allowed=0
[  418.376506]  ? __lock_acquire+0x62f/0x4c20
[  418.415344]  ? should_fail+0x22d/0xd01
[  418.419229]  ? rcu_irq_exit+0x1a2/0x390
[  418.423214]  ? mark_held_locks+0x130/0x130
[  418.427456]  ? mark_held_locks+0x130/0x130
[  418.431696]  ? mark_held_locks+0xc7/0x130
[  418.435846]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  418.440862]  ? zap_class+0x640/0x640
[  418.444595]  ? print_usage_bug+0xc0/0xc0
[  418.448677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.454213]  ? check_preemption_disabled+0x48/0x280
[  418.459238]  ? __lock_is_held+0xb5/0x140
[  418.463309]  __alloc_pages_nodemask+0xad8/0xea0
[  418.467995]  ? zap_class+0x640/0x640
[  418.471715]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  418.476742]  ? find_held_lock+0x36/0x1c0
[  418.480814]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.485488]  ? lock_downgrade+0x900/0x900
[  418.489643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.495184]  cache_grow_begin+0xa5/0x8c0
[  418.499245]  ? do_raw_spin_unlock+0xa7/0x330
[  418.503661]  fallback_alloc+0x204/0x2e0
[  418.507646]  ____cache_alloc_node+0x1c7/0x1e0
[  418.512146]  kmem_cache_alloc_node+0xe3/0x730
[  418.516641]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.520885]  __alloc_skb+0x119/0x770
[  418.524595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.529877]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.534289]  ? lock_downgrade+0x900/0x900
[  418.538448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.543984]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.549442]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.554896]  ? addrconf_rs_timer+0x690/0x690
[  418.559317]  ndisc_alloc_skb+0x144/0x340
[  418.563385]  ndisc_send_rs+0x331/0x6e0
[  418.567291]  addrconf_rs_timer+0x314/0x690
[  418.571536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.575780]  call_timer_fn+0x272/0x920
[  418.579672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.583907]  ? process_timeout+0x40/0x40
[  418.587983]  ? __run_timers+0x7da/0xc70
[  418.591961]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.596458]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.600953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.605190]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.609774]  ? trace_hardirqs_on+0xbd/0x310
[  418.614098]  ? kasan_check_read+0x11/0x20
[  418.618241]  ? __run_timers+0x7da/0xc70
[  418.622221]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.627486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.631730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.635966]  __run_timers+0x7e5/0xc70
[  418.639788]  ? timer_fixup_init+0x70/0x70
[  418.643933]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.648948]  ? zap_class+0x640/0x640
[  418.652696]  ? enqueue_hrtimer+0x1a5/0x560
[  418.656935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.662146]  ? find_held_lock+0x36/0x1c0
[  418.666211]  ? zap_class+0x640/0x640
[  418.669927]  ? pvclock_read_flags+0x160/0x160
[  418.674435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.679976]  ? check_preemption_disabled+0x48/0x280
[  418.685020]  ? __lock_is_held+0xb5/0x140
[  418.689083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.694621]  ? check_preemption_disabled+0x48/0x280
[  418.699641]  run_timer_softirq+0x52/0xb0
[  418.703701]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.708719]  __do_softirq+0x308/0xb7e
[  418.712523]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.717015]  ? lock_downgrade+0x900/0x900
[  418.721167]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.726280]  ? pvclock_read_flags+0x160/0x160
[  418.730778]  ? lapic_next_event+0x5a/0x90
[  418.734928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.740470]  ? kvm_clock_read+0x18/0x30
[  418.744450]  ? kvm_sched_clock_read+0x9/0x20
[  418.748859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.754407]  ? check_preemption_disabled+0x48/0x280
[  418.759462]  irq_exit+0x17f/0x1c0
[  418.762919]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.767786]  ? smp_reschedule_interrupt+0x109/0x650
[  418.772804]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.778688]  ? interrupt_entry+0xb5/0xc0
[  418.782765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.787781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.792802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.797661]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.802677]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.807691]  ? task_prio+0x50/0x50
[  418.811237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.816777]  ? check_preemption_disabled+0x48/0x280
[  418.821798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.826652]  apic_timer_interrupt+0xf/0x20
[  418.830881]  </IRQ>
[  418.833147] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.838110] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  418.857006] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  418.864725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.871992] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  418.879257] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  418.886521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.893796] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  418.901108]  skb_clone+0x1bb/0x500
[  418.904654]  ? skb_split+0x11e0/0x11e0
[  418.908546]  ? preempt_notifier_register+0x200/0x200
[  418.913649]  ? __switch_to_asm+0x34/0x70
[  418.917712]  ? __switch_to_asm+0x34/0x70
[  418.921771]  ? __switch_to_asm+0x40/0x70
[  418.925829]  ? __switch_to_asm+0x34/0x70
[  418.929886]  ? __switch_to_asm+0x40/0x70
[  418.933948]  ? __switch_to_asm+0x40/0x70
[  418.938005]  ? __switch_to_asm+0x34/0x70
[  418.942063]  ? __switch_to_asm+0x34/0x70
[  418.946119]  ? __switch_to_asm+0x40/0x70
[  418.950176]  ? __switch_to_asm+0x34/0x70
[  418.954244]  bpf_clone_redirect+0xb9/0x490
[  418.958486]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  418.963510]  ? __sched_text_start+0x8/0x8
[  418.967656]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  418.972440]  ? find_held_lock+0x36/0x1c0
[  418.976510]  ? lock_acquire+0x1ed/0x520
[  418.980485]  ? bpf_test_run+0x3ee/0x7a0
[  418.984463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.990002]  ? check_preemption_disabled+0x48/0x280
[  418.995044]  ? kasan_check_read+0x11/0x20
[  418.999195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.004473]  ? rcu_softirq_qs+0x20/0x20
[  419.008455]  ? preempt_schedule+0x4d/0x60
[  419.012603]  ? ___preempt_schedule+0x16/0x18
[  419.017020]  ? bpf_test_run+0x271/0x7a0
[  419.021008]  ? netlink_diag_dump+0x2a0/0x2a0
[  419.025430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.030969]  ? bpf_test_init.isra.10+0x70/0x100
[  419.035660]  ? bpf_prog_test_run_skb+0x762/0xd60
[  419.040442]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.045291]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.050841]  ? fput+0x130/0x1a0
[  419.054126]  ? __bpf_prog_get+0x9b/0x290
[  419.058193]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  419.063515]  ? bpf_prog_test_run+0x130/0x1a0
[  419.067931]  ? __x64_sys_bpf+0x3d8/0x520
[  419.071992]  ? bpf_prog_get+0x20/0x20
[  419.075900]  ? do_syscall_64+0x1b9/0x820
[  419.079958]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  419.085321]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.090248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.095096]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.100116]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  419.105133]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.110170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.115035]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  419.120463] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  419.120531] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.127387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.127404] Call Trace:
[  419.133998] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.143252]  dump_stack+0x244/0x39d
[  419.145845] syz-executor2 cpuset=syz2 mems_allowed=0
[  419.156336]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.170209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.175759]  warn_alloc.cold.116+0xb7/0x1bd
[  419.180084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.184967]  ? lock_downgrade+0x900/0x900
[  419.189152]  ? trace_hardirqs_off+0xb8/0x310
[  419.193569]  ? trace_hardirqs_off+0xb8/0x310
[  419.197986]  __alloc_pages_slowpath+0x2651/0x2de0
[  419.202875]  ? warn_alloc+0x120/0x120
[  419.206689]  ? warn_alloc+0x120/0x120
[  419.210501]  ? warn_alloc+0x120/0x120
[  419.214306]  ? print_usage_bug+0xc0/0xc0
[  419.218370]  ? print_usage_bug+0xc0/0xc0
[  419.222439]  ? mark_held_locks+0x130/0x130
[  419.226690]  ? mark_held_locks+0x130/0x130
[  419.230932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.236498]  ? should_fail+0x22d/0xd01
[  419.240383]  ? zap_class+0x640/0x640
[  419.244126]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.249248]  ? __lock_acquire+0x62f/0x4c20
[  419.253488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.258589]  ? __lock_acquire+0x62f/0x4c20
[  419.262823]  ? should_fail+0x22d/0xd01
[  419.266723]  ? mark_held_locks+0x130/0x130
[  419.270968]  ? mark_held_locks+0x130/0x130
[  419.275205]  ? lock_downgrade+0x900/0x900
[  419.279353]  ? zap_class+0x640/0x640
[  419.283067]  ? zap_class+0x640/0x640
[  419.286784]  ? zap_class+0x640/0x640
[  419.290501]  ? do_raw_spin_unlock+0xa7/0x330
[  419.294947]  ? trace_hardirqs_on+0x310/0x310
[  419.299371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.304942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.310496]  ? check_preemption_disabled+0x48/0x280
[  419.315523]  ? __lock_is_held+0xb5/0x140
[  419.319589]  __alloc_pages_nodemask+0xad8/0xea0
[  419.324270]  ? zap_class+0x640/0x640
[  419.327994]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  419.333026]  ? find_held_lock+0x36/0x1c0
[  419.337100]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.341768]  ? lock_downgrade+0x900/0x900
[  419.345930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.351497]  cache_grow_begin+0xa5/0x8c0
[  419.355561]  ? do_raw_spin_unlock+0xa7/0x330
[  419.359976]  fallback_alloc+0x204/0x2e0
[  419.363962]  ____cache_alloc_node+0x1c7/0x1e0
[  419.368467]  kmem_cache_alloc_node+0xe3/0x730
[  419.372961]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.377552]  __alloc_skb+0x119/0x770
[  419.381269]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  419.386666]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.391084]  ? vprintk_default+0x28/0x30
[  419.395147]  ? vprintk_func+0x85/0x181
[  419.399034]  ? printk+0xa7/0xcf
[  419.402342]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  419.407108]  new_skb+0x26/0x1c0
[  419.410398]  aoecmd_cfg+0x279/0x7f0
[  419.414027]  ? find_held_lock+0x36/0x1c0
[  419.418107]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  419.422436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.427985]  ? __lock_is_held+0xb5/0x140
[  419.432059]  discover_timer+0x50/0x60
[  419.435858]  call_timer_fn+0x272/0x920
[  419.439745]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  419.444592]  ? process_timeout+0x40/0x40
[  419.448664]  ? __run_timers+0x7da/0xc70
[  419.452646]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.457142]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.461644]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  419.466490]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.471072]  ? trace_hardirqs_on+0xbd/0x310
[  419.475458]  ? kasan_check_read+0x11/0x20
[  419.479619]  ? __run_timers+0x7da/0xc70
[  419.483599]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.488716]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  419.493558]  __run_timers+0x7e5/0xc70
[  419.497369]  ? timer_fixup_init+0x70/0x70
[  419.501528]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.506023]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.510520]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.515106]  ? trace_hardirqs_on+0xbd/0x310
[  419.519433]  ? kasan_check_read+0x11/0x20
[  419.523584]  ? finish_task_switch+0x1f4/0x910
[  419.528093]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.533199]  ? compat_start_thread+0x80/0x80
[  419.537630]  ? pvclock_read_flags+0x160/0x160
[  419.542137]  ? __switch_to_asm+0x34/0x70
[  419.546198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.551739]  ? check_preemption_disabled+0x48/0x280
[  419.556769]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  419.562309]  ? rcu_pm_notify+0xc0/0xc0
[  419.566220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.571764]  ? check_preemption_disabled+0x48/0x280
[  419.576789]  run_timer_softirq+0x52/0xb0
[  419.580849]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.585882]  __do_softirq+0x308/0xb7e
[  419.589703]  ? retint_kernel+0x2d/0x2d
[  419.593595]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.598700]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.604169]  ? retint_kernel+0x2d/0x2d
[  419.608080]  ? schedule+0x108/0x460
[  419.611721]  ? trace_hardirqs_off+0xb8/0x310
[  419.616143]  ? smpboot_thread_fn+0x68b/0xa00
[  419.620551]  ? trace_hardirqs_on+0x310/0x310
[  419.624962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.630501]  ? check_preemption_disabled+0x48/0x280
[  419.635548]  ? takeover_tasklets+0xa90/0xa90
[  419.639979]  run_ksoftirqd+0x5e/0x100
[  419.643807]  smpboot_thread_fn+0x68b/0xa00
[  419.648059]  ? sort_range+0x30/0x30
[  419.651686]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.656789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.662329]  ? __kthread_parkme+0xfb/0x1a0
[  419.666571]  ? sort_range+0x30/0x30
[  419.670201]  kthread+0x35a/0x440
[  419.673574]  ? kthread_stop+0x900/0x900
[  419.677549]  ret_from_fork+0x3a/0x50
[  419.681290] warn_alloc_show_mem: 1 callbacks suppressed
[  419.681302] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  419.681304] Mem-Info:
[  419.681337] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  419.681337]  active_file:133 inactive_file:117 isolated_file:0
[  419.681337]  unevictable:0 dirty:3 writeback:0 unstable:0
[  419.681337]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  419.681337]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  419.681337]  free:13727 free_pcp:164 free_cma:0
[  419.686668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.694030] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  419.696432] Call Trace:
[  419.729645] 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
[  419.738997]  <IRQ>
[  419.766734] lowmem_reserve[]: 0 2818 6321 6321
[  419.769316]  dump_stack+0x244/0x39d
[  419.795405] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  419.797559]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.802112] lowmem_reserve[]: 0 0 3503 3503
[  419.805735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.833293] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  419.838479]  warn_alloc.cold.116+0xb7/0x1bd
[  419.842773] lowmem_reserve[]: 0 0 0 0
[  419.848304]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.877511] 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
[  419.881826]  ? lock_downgrade+0x900/0x900
[  419.885604] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  419.890460]  ? trace_hardirqs_off+0xb8/0x310
[  419.903966] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  419.908108]  ? trace_hardirqs_off+0xb8/0x310
[  419.923434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.927836]  __alloc_pages_slowpath+0x2651/0x2de0
[  419.941338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.945756]  ? warn_alloc+0x120/0x120
[  419.954547] 2220 total pagecache pages
[  419.959387]  ? warn_alloc+0x120/0x120
[  419.967951] 0 pages in swap cache
[  419.971740]  ? warn_alloc+0x120/0x120
[  419.975607] Swap cache stats: add 0, delete 0, find 0/0
[  419.979422]  ? print_usage_bug+0xc0/0xc0
[  419.982845] Free swap  = 0kB
[  419.986636]  ? print_usage_bug+0xc0/0xc0
[  419.991978] Total swap = 0kB
[  419.996035]  ? find_held_lock+0x36/0x1c0
[  419.999030] 1965979 pages RAM
[  420.003083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.006076] 0 pages HighMem/MovableOnly
[  420.010144]  ? should_fail+0x22d/0xd01
[  420.013224] 342854 pages reserved
[  420.018784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.022732] 0 pages cma reserved
[  420.026624]  ? __lock_acquire+0x62f/0x4c20
[  420.030149] aoe: skb alloc failure
[  420.035149]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.038517] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.042716]  ? should_fail+0x22d/0xd01
[  420.046233] ksoftirqd/1 cpuset=/ mems_allowed=0
[  420.051336]  ? mark_held_locks+0x130/0x130
[  420.074381]  ? mark_held_locks+0x130/0x130
[  420.078659]  ? print_usage_bug+0xc0/0xc0
[  420.082724]  ? find_held_lock+0x36/0x1c0
[  420.086810]  ? zap_class+0x640/0x640
[  420.090527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.096064]  ? check_preemption_disabled+0x48/0x280
[  420.101091]  ? __lock_is_held+0xb5/0x140
[  420.105157]  __alloc_pages_nodemask+0xad8/0xea0
[  420.109823]  ? zap_class+0x640/0x640
[  420.113542]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  420.118584]  ? find_held_lock+0x36/0x1c0
[  420.122657]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.127325]  ? lock_downgrade+0x900/0x900
[  420.131490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.137030]  cache_grow_begin+0xa5/0x8c0
[  420.141091]  ? do_raw_spin_unlock+0xa7/0x330
[  420.145511]  fallback_alloc+0x204/0x2e0
[  420.149496]  ____cache_alloc_node+0x1c7/0x1e0
[  420.153997]  kmem_cache_alloc_node+0xe3/0x730
[  420.158496]  ? mark_held_locks+0xc7/0x130
[  420.162656]  __alloc_skb+0x119/0x770
[  420.166376]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.170795]  ? do_raw_spin_trylock+0x270/0x270
[  420.175377]  ? kmem_cache_alloc_trace+0x353/0x750
[  420.180236]  ? queue_work_on+0x12c/0x1e0
[  420.184302]  ? switchdev_port_obj_del+0xdc/0x440
[  420.189064]  ? switchdev_trans_item_enqueue+0x260/0x260
[  420.194546]  ? mod_timer+0x631/0x1560
[  420.198348]  ? wake_up_klogd+0x180/0x180
[  420.202426]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  420.207460]  __br_mdb_notify+0x4ff/0x15d0
[  420.211623]  ? __br_mdb_add+0x7f0/0x7f0
[  420.215611]  ? zap_class+0x640/0x640
[  420.219340]  ? br_multicast_group_expired+0x96/0x610
[  420.224454]  br_mdb_notify+0x310/0x410
[  420.228339]  ? br_mdb_dump+0x27b0/0x27b0
[  420.232420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.237968]  br_multicast_group_expired+0x1bc/0x610
[  420.242994]  ? br_mdb_free+0x80/0x80
[  420.246721]  call_timer_fn+0x272/0x920
[  420.250613]  ? br_mdb_free+0x80/0x80
[  420.254327]  ? process_timeout+0x40/0x40
[  420.258442]  ? __run_timers+0x7da/0xc70
[  420.262430]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.266922]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.271426]  ? br_mdb_free+0x80/0x80
[  420.275142]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.279726]  ? trace_hardirqs_on+0xbd/0x310
[  420.284051]  ? kasan_check_read+0x11/0x20
[  420.288198]  ? __run_timers+0x7da/0xc70
[  420.292173]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.297310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.301594]  ? br_mdb_free+0x80/0x80
[  420.305305]  __run_timers+0x7e5/0xc70
[  420.309111]  ? timer_fixup_init+0x70/0x70
[  420.313265]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.318287]  ? zap_class+0x640/0x640
[  420.322008]  ? enqueue_hrtimer+0x1a5/0x560
[  420.326246]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.331451]  ? find_held_lock+0x36/0x1c0
[  420.335522]  ? zap_class+0x640/0x640
[  420.339240]  ? pvclock_read_flags+0x160/0x160
[  420.343742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.349280]  ? check_preemption_disabled+0x48/0x280
[  420.354324]  ? __lock_is_held+0xb5/0x140
[  420.358400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.363950]  ? check_preemption_disabled+0x48/0x280
[  420.368971]  run_timer_softirq+0x52/0xb0
[  420.373035]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.378085]  __do_softirq+0x308/0xb7e
[  420.381902]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.386408]  ? lock_downgrade+0x900/0x900
[  420.390586]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.395698]  ? pvclock_read_flags+0x160/0x160
[  420.400197]  ? lapic_next_event+0x5a/0x90
[  420.404353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.409915]  ? kvm_clock_read+0x18/0x30
[  420.413886]  ? kvm_sched_clock_read+0x9/0x20
[  420.418296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.423839]  ? check_preemption_disabled+0x48/0x280
[  420.428863]  irq_exit+0x17f/0x1c0
[  420.432323]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.437163]  ? smp_reschedule_interrupt+0x109/0x650
[  420.442183]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.448085]  ? interrupt_entry+0xb5/0xc0
[  420.452167]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.457182]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.462202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.467051]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.472067]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.477095]  ? task_prio+0x50/0x50
[  420.480638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.486177]  ? check_preemption_disabled+0x48/0x280
[  420.491214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.496064]  apic_timer_interrupt+0xf/0x20
[  420.500292]  </IRQ>
[  420.502536] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.507514] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  420.526435] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  420.534141] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.541421] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  420.548704] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  420.555968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.563234] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  420.570536]  skb_clone+0x1bb/0x500
[  420.574078]  ? skb_split+0x11e0/0x11e0
[  420.577972]  ? preempt_notifier_register+0x200/0x200
[  420.583072]  ? __switch_to_asm+0x34/0x70
[  420.587131]  ? __switch_to_asm+0x34/0x70
[  420.591185]  ? __switch_to_asm+0x40/0x70
[  420.595245]  ? __switch_to_asm+0x34/0x70
[  420.599306]  ? __switch_to_asm+0x40/0x70
[  420.603362]  ? __switch_to_asm+0x40/0x70
[  420.607431]  ? __switch_to_asm+0x34/0x70
[  420.611488]  ? __switch_to_asm+0x34/0x70
[  420.615543]  ? __switch_to_asm+0x40/0x70
[  420.619598]  ? __switch_to_asm+0x34/0x70
[  420.623663]  bpf_clone_redirect+0xb9/0x490
[  420.627907]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  420.632927]  ? __sched_text_start+0x8/0x8
[  420.637092]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  420.641858]  ? find_held_lock+0x36/0x1c0
[  420.645927]  ? lock_acquire+0x1ed/0x520
[  420.649905]  ? bpf_test_run+0x3ee/0x7a0
[  420.653879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.659431]  ? check_preemption_disabled+0x48/0x280
[  420.664456]  ? kasan_check_read+0x11/0x20
[  420.668605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.673894]  ? rcu_softirq_qs+0x20/0x20
[  420.677867]  ? preempt_schedule+0x4d/0x60
[  420.682019]  ? ___preempt_schedule+0x16/0x18
[  420.686457]  ? bpf_test_run+0x271/0x7a0
[  420.690453]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.694869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.700418]  ? bpf_test_init.isra.10+0x70/0x100
[  420.705110]  ? bpf_prog_test_run_skb+0x762/0xd60
[  420.709880]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.714730]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.720284]  ? fput+0x130/0x1a0
[  420.723587]  ? __bpf_prog_get+0x9b/0x290
[  420.727668]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.732527]  ? bpf_prog_test_run+0x130/0x1a0
[  420.736936]  ? __x64_sys_bpf+0x3d8/0x520
[  420.740995]  ? bpf_prog_get+0x20/0x20
[  420.744831]  ? do_syscall_64+0x1b9/0x820
[  420.748888]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.754273]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.759215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.764059]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.769075]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.774094]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.779122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.783971]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.789367] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  420.789547] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.796313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.806782] syz-executor2 cpuset=syz2 mems_allowed=0
[  420.816122] Call Trace:
[  420.823788]  dump_stack+0x244/0x39d
[  420.827429]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.832622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.838168]  warn_alloc.cold.116+0xb7/0x1bd
[  420.842495]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.847343]  ? lock_downgrade+0x900/0x900
[  420.851500]  ? trace_hardirqs_off+0xb8/0x310
[  420.855927]  ? trace_hardirqs_off+0xb8/0x310
[  420.860346]  __alloc_pages_slowpath+0x2651/0x2de0
[  420.865221]  ? warn_alloc+0x120/0x120
[  420.869028]  ? warn_alloc+0x120/0x120
[  420.872834]  ? warn_alloc+0x120/0x120
[  420.876637]  ? print_usage_bug+0xc0/0xc0
[  420.880708]  ? print_usage_bug+0xc0/0xc0
[  420.884772]  ? mark_held_locks+0x130/0x130
[  420.889012]  ? mark_held_locks+0x130/0x130
[  420.893250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.898793]  ? should_fail+0x22d/0xd01
[  420.902680]  ? zap_class+0x640/0x640
[  420.906407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.911512]  ? __lock_acquire+0x62f/0x4c20
[  420.915752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.920853]  ? __lock_acquire+0x62f/0x4c20
[  420.925090]  ? should_fail+0x22d/0xd01
[  420.928988]  ? mark_held_locks+0x130/0x130
[  420.933236]  ? mark_held_locks+0x130/0x130
[  420.937469]  ? lock_downgrade+0x900/0x900
[  420.941620]  ? zap_class+0x640/0x640
[  420.945335]  ? zap_class+0x640/0x640
[  420.949048]  ? zap_class+0x640/0x640
[  420.952759]  ? do_raw_spin_unlock+0xa7/0x330
[  420.957168]  ? trace_hardirqs_on+0x310/0x310
[  420.961584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.967121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.972662]  ? check_preemption_disabled+0x48/0x280
[  420.977705]  ? __lock_is_held+0xb5/0x140
[  420.981789]  __alloc_pages_nodemask+0xad8/0xea0
[  420.986458]  ? zap_class+0x640/0x640
[  420.990179]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  420.995206]  ? find_held_lock+0x36/0x1c0
[  420.999277]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.003952]  ? lock_downgrade+0x900/0x900
[  421.008107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.013652]  cache_grow_begin+0xa5/0x8c0
[  421.017722]  ? do_raw_spin_unlock+0xa7/0x330
[  421.022142]  fallback_alloc+0x204/0x2e0
[  421.026126]  ____cache_alloc_node+0x1c7/0x1e0
[  421.030626]  kmem_cache_alloc_node+0xe3/0x730
[  421.035122]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.039713]  __alloc_skb+0x119/0x770
[  421.043439]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  421.048812]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.053244]  ? vprintk_default+0x28/0x30
[  421.057306]  ? vprintk_func+0x85/0x181
[  421.061360]  ? printk+0xa7/0xcf
[  421.064647]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  421.069424]  new_skb+0x26/0x1c0
[  421.072710]  aoecmd_cfg+0x279/0x7f0
[  421.076360]  ? find_held_lock+0x36/0x1c0
[  421.080475]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  421.084803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.090353]  ? __lock_is_held+0xb5/0x140
[  421.094434]  discover_timer+0x50/0x60
[  421.098237]  call_timer_fn+0x272/0x920
[  421.102130]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  421.106974]  ? process_timeout+0x40/0x40
[  421.111040]  ? __run_timers+0x7da/0xc70
[  421.115014]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.119508]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.124001]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  421.128859]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.133455]  ? trace_hardirqs_on+0xbd/0x310
[  421.137773]  ? kasan_check_read+0x11/0x20
[  421.141927]  ? __run_timers+0x7da/0xc70
[  421.145904]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.151024]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  421.155862]  __run_timers+0x7e5/0xc70
[  421.159669]  ? timer_fixup_init+0x70/0x70
[  421.163841]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.168361]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.172864]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.177464]  ? trace_hardirqs_on+0xbd/0x310
[  421.181781]  ? kasan_check_read+0x11/0x20
[  421.185936]  ? finish_task_switch+0x1f4/0x910
[  421.190441]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.195545]  ? compat_start_thread+0x80/0x80
[  421.199978]  ? pvclock_read_flags+0x160/0x160
[  421.204483]  ? __switch_to_asm+0x34/0x70
[  421.208547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.214091]  ? check_preemption_disabled+0x48/0x280
[  421.219120]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  421.224661]  ? rcu_pm_notify+0xc0/0xc0
[  421.228554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.234098]  ? check_preemption_disabled+0x48/0x280
[  421.239119]  run_timer_softirq+0x52/0xb0
[  421.243177]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.248193]  __do_softirq+0x308/0xb7e
[  421.251994]  ? retint_kernel+0x2d/0x2d
[  421.255886]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.260995]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.266449]  ? retint_kernel+0x2d/0x2d
[  421.270344]  ? schedule+0x108/0x460
[  421.273980]  ? trace_hardirqs_off+0xb8/0x310
[  421.278389]  ? smpboot_thread_fn+0x68b/0xa00
[  421.282810]  ? trace_hardirqs_on+0x310/0x310
[  421.287220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.292775]  ? check_preemption_disabled+0x48/0x280
[  421.297794]  ? takeover_tasklets+0xa90/0xa90
[  421.302201]  run_ksoftirqd+0x5e/0x100
[  421.306002]  smpboot_thread_fn+0x68b/0xa00
[  421.310239]  ? sort_range+0x30/0x30
[  421.313866]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.318972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.324513]  ? __kthread_parkme+0xfb/0x1a0
[  421.328754]  ? sort_range+0x30/0x30
[  421.332383]  kthread+0x35a/0x440
[  421.335760]  ? kthread_stop+0x900/0x900
[  421.339797]  ret_from_fork+0x3a/0x50
[  421.343531] warn_alloc_show_mem: 1 callbacks suppressed
[  421.343544] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  421.343545] Mem-Info:
[  421.343578] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  421.343578]  active_file:133 inactive_file:117 isolated_file:0
[  421.343578]  unevictable:0 dirty:3 writeback:0 unstable:0
[  421.343578]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  421.343578]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  421.343578]  free:13727 free_pcp:164 free_cma:0
[  421.348913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.356280] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  421.358681] Call Trace:
[  421.391889] 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
[  421.401244]  <IRQ>
[  421.428985] lowmem_reserve[]: 0 2818 6321 6321
[  421.431565]  dump_stack+0x244/0x39d
[  421.457645] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  421.459788]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.464344] lowmem_reserve[]: 0 0 3503 3503
[  421.467966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.495541] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  421.500731]  warn_alloc.cold.116+0xb7/0x1bd
[  421.505022] lowmem_reserve[]: 0 0 0 0
[  421.510553]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.539761] 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
[  421.544075]  ? lock_downgrade+0x900/0x900
[  421.547882] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  421.552718]  ? trace_hardirqs_off+0xb8/0x310
[  421.566217] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  421.570358]  ? trace_hardirqs_off+0xb8/0x310
[  421.585687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.590115]  __alloc_pages_slowpath+0x2651/0x2de0
[  421.603613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.608029]  ? warn_alloc+0x120/0x120
[  421.616817] 2220 total pagecache pages
[  421.621656]  ? warn_alloc+0x120/0x120
[  421.630210] 0 pages in swap cache
[  421.633999]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.637892] Swap cache stats: add 0, delete 0, find 0/0
[  421.641680]  ? warn_alloc+0x120/0x120
[  421.645126] Free swap  = 0kB
[  421.650165]  ? print_usage_bug+0xc0/0xc0
[  421.655501] Total swap = 0kB
[  421.659293]  ? print_usage_bug+0xc0/0xc0
[  421.662287] 1965979 pages RAM
[  421.666341]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.669336] 0 pages HighMem/MovableOnly
[  421.673400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.676478] 342854 pages reserved
[  421.681663]  ? should_fail+0x22d/0xd01
[  421.685609] 0 pages cma reserved
[  421.691142]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.694664] aoe: skb alloc failure
[  421.698452]  ? __lock_acquire+0x62f/0x4c20
[  421.701880] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.706920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.710441] ksoftirqd/1 cpuset=/ mems_allowed=0
[  421.714668]  ? should_fail+0x22d/0xd01
[  421.738586]  ? mark_held_locks+0x130/0x130
[  421.742836]  ? mark_held_locks+0x130/0x130
[  421.747071]  ? print_usage_bug+0xc0/0xc0
[  421.751137]  ? find_held_lock+0x36/0x1c0
[  421.755230]  ? zap_class+0x640/0x640
[  421.758949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.764485]  ? check_preemption_disabled+0x48/0x280
[  421.769513]  ? __lock_is_held+0xb5/0x140
[  421.773583]  __alloc_pages_nodemask+0xad8/0xea0
[  421.778252]  ? zap_class+0x640/0x640
[  421.781969]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  421.786998]  ? find_held_lock+0x36/0x1c0
[  421.791075]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.795745]  ? lock_downgrade+0x900/0x900
[  421.799904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.805457]  cache_grow_begin+0xa5/0x8c0
[  421.809518]  ? do_raw_spin_unlock+0xa7/0x330
[  421.813933]  fallback_alloc+0x204/0x2e0
[  421.817929]  ____cache_alloc_node+0x1c7/0x1e0
[  421.822443]  kmem_cache_alloc_node+0xe3/0x730
[  421.826939]  ? mark_held_locks+0xc7/0x130
[  421.831156]  __alloc_skb+0x119/0x770
[  421.834876]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.839283]  ? do_raw_spin_trylock+0x270/0x270
[  421.843867]  ? kmem_cache_alloc_trace+0x353/0x750
[  421.848714]  ? queue_work_on+0x12c/0x1e0
[  421.852786]  ? switchdev_port_obj_del+0xdc/0x440
[  421.857544]  ? switchdev_trans_item_enqueue+0x260/0x260
[  421.862911]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.867935]  __br_mdb_notify+0x4ff/0x15d0
[  421.872098]  ? __br_mdb_add+0x7f0/0x7f0
[  421.876080]  ? zap_class+0x640/0x640
[  421.879805]  ? br_multicast_group_expired+0x96/0x610
[  421.884913]  ? lock_downgrade+0x900/0x900
[  421.889083]  br_mdb_notify+0x310/0x410
[  421.892976]  ? br_mdb_dump+0x27b0/0x27b0
[  421.897040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.902585]  br_multicast_group_expired+0x1bc/0x610
[  421.907607]  ? br_mdb_free+0x80/0x80
[  421.911336]  call_timer_fn+0x272/0x920
[  421.915223]  ? br_mdb_free+0x80/0x80
[  421.918941]  ? process_timeout+0x40/0x40
[  421.923016]  ? __run_timers+0x7da/0xc70
[  421.926990]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.931487]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.935985]  ? br_mdb_free+0x80/0x80
[  421.939714]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.944297]  ? trace_hardirqs_on+0xbd/0x310
[  421.948620]  ? kasan_check_read+0x11/0x20
[  421.952770]  ? __run_timers+0x7da/0xc70
[  421.956752]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.961864]  ? br_mdb_free+0x80/0x80
[  421.965583]  ? br_mdb_free+0x80/0x80
[  421.969293]  __run_timers+0x7e5/0xc70
[  421.973123]  ? timer_fixup_init+0x70/0x70
[  421.977284]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.982302]  ? zap_class+0x640/0x640
[  421.986021]  ? enqueue_hrtimer+0x1a5/0x560
[  421.990258]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.995473]  ? find_held_lock+0x36/0x1c0
[  421.999543]  ? zap_class+0x640/0x640
[  422.003265]  ? pvclock_read_flags+0x160/0x160
[  422.007775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.013324]  ? check_preemption_disabled+0x48/0x280
[  422.018350]  ? __lock_is_held+0xb5/0x140
[  422.022427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.027967]  ? check_preemption_disabled+0x48/0x280
[  422.032991]  run_timer_softirq+0x52/0xb0
[  422.037082]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.042103]  __do_softirq+0x308/0xb7e
[  422.045935]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.050448]  ? lock_downgrade+0x900/0x900
[  422.054604]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.059715]  ? pvclock_read_flags+0x160/0x160
[  422.064216]  ? lapic_next_event+0x5a/0x90
[  422.068378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.073931]  ? kvm_clock_read+0x18/0x30
[  422.077911]  ? kvm_sched_clock_read+0x9/0x20
[  422.082335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.087891]  ? check_preemption_disabled+0x48/0x280
[  422.092914]  irq_exit+0x17f/0x1c0
[  422.096370]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.101218]  ? smp_reschedule_interrupt+0x109/0x650
[  422.106250]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.112147]  ? interrupt_entry+0xb5/0xc0
[  422.116211]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.121239]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.126270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.131115]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.136130]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.141143]  ? task_prio+0x50/0x50
[  422.144684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.150222]  ? check_preemption_disabled+0x48/0x280
[  422.155255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.160119]  apic_timer_interrupt+0xf/0x20
[  422.164344]  </IRQ>
[  422.166608] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  422.171539] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  422.190443] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  422.198280] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  422.205544] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  422.212812] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  422.220081] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  422.227354] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  422.234664]  skb_clone+0x1bb/0x500
[  422.238210]  ? skb_split+0x11e0/0x11e0
[  422.242103]  ? preempt_notifier_register+0x200/0x200
[  422.247217]  ? __switch_to_asm+0x34/0x70
[  422.251283]  ? __switch_to_asm+0x34/0x70
[  422.255340]  ? __switch_to_asm+0x40/0x70
[  422.259405]  ? __switch_to_asm+0x34/0x70
[  422.263471]  ? __switch_to_asm+0x40/0x70
[  422.267529]  ? __switch_to_asm+0x40/0x70
[  422.271591]  ? __switch_to_asm+0x34/0x70
[  422.275657]  ? __switch_to_asm+0x34/0x70
[  422.279713]  ? __switch_to_asm+0x40/0x70
[  422.283777]  ? __switch_to_asm+0x34/0x70
[  422.287847]  bpf_clone_redirect+0xb9/0x490
[  422.292091]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  422.297112]  ? __sched_text_start+0x8/0x8
[  422.301271]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.306039]  ? find_held_lock+0x36/0x1c0
[  422.310124]  ? lock_acquire+0x1ed/0x520
[  422.314103]  ? bpf_test_run+0x3ee/0x7a0
[  422.318075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.323631]  ? check_preemption_disabled+0x48/0x280
[  422.328652]  ? kasan_check_read+0x11/0x20
[  422.332798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.338078]  ? rcu_softirq_qs+0x20/0x20
[  422.342087]  ? preempt_schedule+0x4d/0x60
[  422.346236]  ? ___preempt_schedule+0x16/0x18
[  422.350651]  ? bpf_test_run+0x271/0x7a0
[  422.354637]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.359049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.364589]  ? bpf_test_init.isra.10+0x70/0x100
[  422.369267]  ? bpf_prog_test_run_skb+0x762/0xd60
[  422.374034]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.378903]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.384449]  ? fput+0x130/0x1a0
[  422.387736]  ? __bpf_prog_get+0x9b/0x290
[  422.391804]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.396652]  ? bpf_prog_test_run+0x130/0x1a0
[  422.401064]  ? __x64_sys_bpf+0x3d8/0x520
[  422.405127]  ? bpf_prog_get+0x20/0x20
[  422.408949]  ? do_syscall_64+0x1b9/0x820
[  422.413013]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.418377]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.423321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.428165]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.433182]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.438203]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.443225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.448074]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.453462] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  422.453613] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.460403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.470877] syz-executor2 cpuset=syz2 mems_allowed=0
[  422.480231] Call Trace:
[  422.487933]  dump_stack+0x244/0x39d
[  422.491564]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.496759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.502307]  warn_alloc.cold.116+0xb7/0x1bd
[  422.506630]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.511496]  ? lock_downgrade+0x900/0x900
[  422.515655]  ? trace_hardirqs_off+0xb8/0x310
[  422.520071]  ? trace_hardirqs_off+0xb8/0x310
[  422.524490]  __alloc_pages_slowpath+0x2651/0x2de0
[  422.529360]  ? warn_alloc+0x120/0x120
[  422.533190]  ? warn_alloc+0x120/0x120
[  422.536995]  ? warn_alloc+0x120/0x120
[  422.540799]  ? print_usage_bug+0xc0/0xc0
[  422.544896]  ? print_usage_bug+0xc0/0xc0
[  422.548978]  ? mark_held_locks+0x130/0x130
[  422.553215]  ? mark_held_locks+0x130/0x130
[  422.557472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.563009]  ? should_fail+0x22d/0xd01
[  422.566899]  ? zap_class+0x640/0x640
[  422.570625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.575734]  ? __lock_acquire+0x62f/0x4c20
[  422.579984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.585084]  ? __lock_acquire+0x62f/0x4c20
[  422.589315]  ? should_fail+0x22d/0xd01
[  422.593210]  ? mark_held_locks+0x130/0x130
[  422.597450]  ? mark_held_locks+0x130/0x130
[  422.601682]  ? lock_downgrade+0x900/0x900
[  422.605830]  ? zap_class+0x640/0x640
[  422.609550]  ? zap_class+0x640/0x640
[  422.613261]  ? do_raw_spin_unlock+0xa7/0x330
[  422.617672]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.622461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.628011]  ? check_preemption_disabled+0x48/0x280
[  422.633050]  ? __lock_is_held+0xb5/0x140
[  422.637135]  __alloc_pages_nodemask+0xad8/0xea0
[  422.641804]  ? zap_class+0x640/0x640
[  422.645524]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  422.650553]  ? find_held_lock+0x36/0x1c0
[  422.654625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.659296]  ? lock_downgrade+0x900/0x900
[  422.663471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.669015]  cache_grow_begin+0xa5/0x8c0
[  422.673148]  ? do_raw_spin_unlock+0xa7/0x330
[  422.677593]  fallback_alloc+0x204/0x2e0
[  422.681578]  ____cache_alloc_node+0x1c7/0x1e0
[  422.686081]  kmem_cache_alloc_node+0xe3/0x730
[  422.690582]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.695173]  __alloc_skb+0x119/0x770
[  422.698920]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  422.704301]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.708723]  ? vprintk_default+0x28/0x30
[  422.712789]  ? vprintk_func+0x85/0x181
[  422.716681]  ? printk+0xa7/0xcf
[  422.719959]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  422.724727]  new_skb+0x26/0x1c0
[  422.728009]  aoecmd_cfg+0x279/0x7f0
[  422.731639]  ? find_held_lock+0x36/0x1c0
[  422.735705]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  422.740050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.745597]  ? __lock_is_held+0xb5/0x140
[  422.749671]  discover_timer+0x50/0x60
[  422.753477]  call_timer_fn+0x272/0x920
[  422.757366]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.762216]  ? process_timeout+0x40/0x40
[  422.766286]  ? __run_timers+0x7da/0xc70
[  422.770266]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.774760]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.779258]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.784108]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.788695]  ? trace_hardirqs_on+0xbd/0x310
[  422.793047]  ? kasan_check_read+0x11/0x20
[  422.797196]  ? __run_timers+0x7da/0xc70
[  422.801190]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.806303]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.811144]  __run_timers+0x7e5/0xc70
[  422.814961]  ? timer_fixup_init+0x70/0x70
[  422.819115]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.823612]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.828109]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.832723]  ? trace_hardirqs_on+0xbd/0x310
[  422.837050]  ? kasan_check_read+0x11/0x20
[  422.841201]  ? finish_task_switch+0x1f4/0x910
[  422.845701]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.850803]  ? compat_start_thread+0x80/0x80
[  422.855229]  ? pvclock_read_flags+0x160/0x160
[  422.859720]  ? __switch_to_asm+0x34/0x70
[  422.863783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.869327]  ? check_preemption_disabled+0x48/0x280
[  422.874353]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  422.879893]  ? rcu_pm_notify+0xc0/0xc0
[  422.883806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.889348]  ? check_preemption_disabled+0x48/0x280
[  422.894368]  run_timer_softirq+0x52/0xb0
[  422.898439]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.903460]  __do_softirq+0x308/0xb7e
[  422.907264]  ? retint_kernel+0x2d/0x2d
[  422.911153]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.916271]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.921738]  ? retint_kernel+0x2d/0x2d
[  422.925658]  ? schedule+0x108/0x460
[  422.929292]  ? trace_hardirqs_off+0xb8/0x310
[  422.933702]  ? smpboot_thread_fn+0x68b/0xa00
[  422.938109]  ? trace_hardirqs_on+0x310/0x310
[  422.942520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.948063]  ? check_preemption_disabled+0x48/0x280
[  422.953120]  ? takeover_tasklets+0xa90/0xa90
[  422.957535]  run_ksoftirqd+0x5e/0x100
[  422.961337]  smpboot_thread_fn+0x68b/0xa00
[  422.965577]  ? sort_range+0x30/0x30
[  422.969220]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.974338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.979892]  ? __kthread_parkme+0xfb/0x1a0
[  422.984130]  ? sort_range+0x30/0x30
[  422.987757]  kthread+0x35a/0x440
[  422.991124]  ? kthread_stop+0x900/0x900
[  422.995102]  ret_from_fork+0x3a/0x50
[  422.998827] warn_alloc_show_mem: 1 callbacks suppressed
[  422.998839] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  422.998841] Mem-Info:
[  422.998874] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  422.998874]  active_file:133 inactive_file:117 isolated_file:0
[  422.998874]  unevictable:0 dirty:3 writeback:0 unstable:0
[  422.998874]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  422.998874]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  422.998874]  free:13727 free_pcp:164 free_cma:0
[  423.004202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.004211] Call Trace:
[  423.011583] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  423.013978]  <IRQ>
[  423.047185] 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
[  423.056537]  dump_stack+0x244/0x39d
[  423.059109] lowmem_reserve[]: 0 2818 6321 6321
[  423.087367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.089495] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  423.115601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.119204] lowmem_reserve[]: 0 0 3503 3503
[  423.123788]  warn_alloc.cold.116+0xb7/0x1bd
[  423.128952] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  423.156529]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.162038] lowmem_reserve[]: 0 0 0 0
[  423.166355]  ? lock_downgrade+0x900/0x900
[  423.170652] 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
[  423.199882]  ? trace_hardirqs_off+0xb8/0x310
[  423.204696] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  423.208492]  ? trace_hardirqs_off+0xb8/0x310
[  423.212613] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  423.226145]  __alloc_pages_slowpath+0x2651/0x2de0
[  423.230550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.245916]  ? warn_alloc+0x120/0x120
[  423.250299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.263808]  ? warn_alloc+0x120/0x120
[  423.268628] 2220 total pagecache pages
[  423.277454]  ? warn_alloc+0x120/0x120
[  423.281234] 0 pages in swap cache
[  423.289799]  ? print_usage_bug+0xc0/0xc0
[  423.293582] Swap cache stats: add 0, delete 0, find 0/0
[  423.297463]  ? mark_held_locks+0x130/0x130
[  423.301239] Free swap  = 0kB
[  423.304686]  ? kvm_clock_read+0x18/0x30
[  423.308722] Total swap = 0kB
[  423.314075]  ? print_usage_bug+0xc0/0xc0
[  423.318298] 1965979 pages RAM
[  423.321315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.325264] 0 pages HighMem/MovableOnly
[  423.328275]  ? should_fail+0x22d/0xd01
[  423.332310] 342854 pages reserved
[  423.335425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.340976] 0 pages cma reserved
[  423.344957]  ? __lock_acquire+0x62f/0x4c20
[  423.348884] aoe: skb alloc failure
[  423.352268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.352281]  ? __lock_acquire+0x62f/0x4c20
[  423.352298]  ? should_fail+0x22d/0xd01
[  423.357419] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.360761]  ? mark_held_locks+0x130/0x130
[  423.364968] ksoftirqd/1 cpuset=/ mems_allowed=0
[  423.368504]  ? mark_held_locks+0x130/0x130
[  423.405104]  ? zap_class+0x640/0x640
[  423.408818]  ? print_usage_bug+0xc0/0xc0
[  423.412880]  ? find_held_lock+0x36/0x1c0
[  423.416978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.422521]  ? check_preemption_disabled+0x48/0x280
[  423.427551]  ? __lock_is_held+0xb5/0x140
[  423.431619]  __alloc_pages_nodemask+0xad8/0xea0
[  423.436291]  ? zap_class+0x640/0x640
[  423.440010]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  423.445056]  ? find_held_lock+0x36/0x1c0
[  423.449128]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.453803]  ? lock_downgrade+0x900/0x900
[  423.457960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.463508]  cache_grow_begin+0xa5/0x8c0
[  423.467569]  ? do_raw_spin_unlock+0xa7/0x330
[  423.471990]  fallback_alloc+0x204/0x2e0
[  423.475973]  ____cache_alloc_node+0x1c7/0x1e0
[  423.480490]  kmem_cache_alloc_node+0xe3/0x730
[  423.485014]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.489259]  __alloc_skb+0x119/0x770
[  423.492983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.498279]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.502689]  ? lock_downgrade+0x900/0x900
[  423.506844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.512381]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.517865]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.523332]  ? addrconf_rs_timer+0x690/0x690
[  423.527754]  ndisc_alloc_skb+0x144/0x340
[  423.531821]  ndisc_send_rs+0x331/0x6e0
[  423.535719]  addrconf_rs_timer+0x314/0x690
[  423.539962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.544207]  call_timer_fn+0x272/0x920
[  423.548094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.552345]  ? process_timeout+0x40/0x40
[  423.556441]  ? __run_timers+0x7da/0xc70
[  423.560430]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.564943]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.569470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.573720]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.578309]  ? trace_hardirqs_on+0xbd/0x310
[  423.582631]  ? kasan_check_read+0x11/0x20
[  423.586778]  ? __run_timers+0x7da/0xc70
[  423.590759]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.595889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.600124]  __run_timers+0x7e5/0xc70
[  423.603934]  ? timer_fixup_init+0x70/0x70
[  423.608086]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.613109]  ? zap_class+0x640/0x640
[  423.616829]  ? enqueue_hrtimer+0x1a5/0x560
[  423.621065]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.626263]  ? find_held_lock+0x36/0x1c0
[  423.630330]  ? zap_class+0x640/0x640
[  423.634047]  ? pvclock_read_flags+0x160/0x160
[  423.638543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.644083]  ? check_preemption_disabled+0x48/0x280
[  423.649109]  ? __lock_is_held+0xb5/0x140
[  423.653201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.658742]  ? check_preemption_disabled+0x48/0x280
[  423.663767]  run_timer_softirq+0x52/0xb0
[  423.667831]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.672847]  __do_softirq+0x308/0xb7e
[  423.676653]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.681147]  ? lock_downgrade+0x900/0x900
[  423.685313]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.690438]  ? pvclock_read_flags+0x160/0x160
[  423.694944]  ? lapic_next_event+0x5a/0x90
[  423.699096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.704643]  ? kvm_clock_read+0x18/0x30
[  423.708621]  ? kvm_sched_clock_read+0x9/0x20
[  423.713031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.718571]  ? check_preemption_disabled+0x48/0x280
[  423.723597]  irq_exit+0x17f/0x1c0
[  423.727055]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.731897]  ? smp_reschedule_interrupt+0x109/0x650
[  423.736919]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.742804]  ? interrupt_entry+0xb5/0xc0
[  423.746867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.751885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.756906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.761751]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.766771]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.771790]  ? task_prio+0x50/0x50
[  423.775331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.780876]  ? check_preemption_disabled+0x48/0x280
[  423.785901]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.790753]  apic_timer_interrupt+0xf/0x20
[  423.794994]  </IRQ>
[  423.797234] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  423.802166] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  423.821063] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  423.828786] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  423.836068] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  423.843333] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  423.850600] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  423.857866] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  423.865176]  skb_clone+0x1bb/0x500
[  423.868723]  ? skb_split+0x11e0/0x11e0
[  423.872616]  ? preempt_notifier_register+0x200/0x200
[  423.877716]  ? __switch_to_asm+0x34/0x70
[  423.881777]  ? __switch_to_asm+0x34/0x70
[  423.885840]  ? __switch_to_asm+0x40/0x70
[  423.889917]  ? __switch_to_asm+0x34/0x70
[  423.893979]  ? __switch_to_asm+0x40/0x70
[  423.898037]  ? __switch_to_asm+0x40/0x70
[  423.902095]  ? __switch_to_asm+0x34/0x70
[  423.906171]  ? __switch_to_asm+0x34/0x70
[  423.910228]  ? __switch_to_asm+0x40/0x70
[  423.914287]  ? __switch_to_asm+0x34/0x70
[  423.918353]  bpf_clone_redirect+0xb9/0x490
[  423.922596]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  423.927615]  ? __sched_text_start+0x8/0x8
[  423.931765]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  423.936551]  ? find_held_lock+0x36/0x1c0
[  423.940629]  ? lock_acquire+0x1ed/0x520
[  423.944605]  ? bpf_test_run+0x3ee/0x7a0
[  423.948580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.954134]  ? check_preemption_disabled+0x48/0x280
[  423.959154]  ? kasan_check_read+0x11/0x20
[  423.963303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.968598]  ? rcu_softirq_qs+0x20/0x20
[  423.972579]  ? preempt_schedule+0x4d/0x60
[  423.976727]  ? ___preempt_schedule+0x16/0x18
[  423.981157]  ? bpf_test_run+0x271/0x7a0
[  423.985144]  ? netlink_diag_dump+0x2a0/0x2a0
[  423.989554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.995109]  ? bpf_test_init.isra.10+0x70/0x100
[  423.999785]  ? bpf_prog_test_run_skb+0x762/0xd60
[  424.004552]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.009408]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.014968]  ? fput+0x130/0x1a0
[  424.018286]  ? __bpf_prog_get+0x9b/0x290
[  424.022354]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.027213]  ? bpf_prog_test_run+0x130/0x1a0
[  424.031626]  ? __x64_sys_bpf+0x3d8/0x520
[  424.035689]  ? bpf_prog_get+0x20/0x20
[  424.039512]  ? do_syscall_64+0x1b9/0x820
[  424.043574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.048954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.053900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.058751]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.063774]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.068795]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.073823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.078675]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.084058] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  424.084129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.090985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.090991] Call Trace:
[  424.091009]  dump_stack+0x244/0x39d
[  424.091031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.097558] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.106857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.109424] syz-executor2 cpuset=syz2 mems_allowed=0
[  424.113046]  warn_alloc.cold.116+0xb7/0x1bd
[  424.143664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.148511]  ? lock_downgrade+0x900/0x900
[  424.152672]  ? trace_hardirqs_off+0xb8/0x310
[  424.157106]  ? trace_hardirqs_off+0xb8/0x310
[  424.161538]  __alloc_pages_slowpath+0x2651/0x2de0
[  424.166415]  ? warn_alloc+0x120/0x120
[  424.170236]  ? warn_alloc+0x120/0x120
[  424.174047]  ? warn_alloc+0x120/0x120
[  424.177853]  ? print_usage_bug+0xc0/0xc0
[  424.181950]  ? print_usage_bug+0xc0/0xc0
[  424.186018]  ? mark_held_locks+0x130/0x130
[  424.190256]  ? mark_held_locks+0x130/0x130
[  424.195060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.200631]  ? should_fail+0x22d/0xd01
[  424.204517]  ? zap_class+0x640/0x640
[  424.208250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.213356]  ? __lock_acquire+0x62f/0x4c20
[  424.217597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.222704]  ? __lock_acquire+0x62f/0x4c20
[  424.226965]  ? should_fail+0x22d/0xd01
[  424.230860]  ? mark_held_locks+0x130/0x130
[  424.235108]  ? mark_held_locks+0x130/0x130
[  424.239342]  ? lock_downgrade+0x900/0x900
[  424.243490]  ? zap_class+0x640/0x640
[  424.247209]  ? zap_class+0x640/0x640
[  424.250929]  ? zap_class+0x640/0x640
[  424.254657]  ? do_raw_spin_unlock+0xa7/0x330
[  424.259069]  ? trace_hardirqs_on+0x310/0x310
[  424.263479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.269017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.274556]  ? check_preemption_disabled+0x48/0x280
[  424.279585]  ? __lock_is_held+0xb5/0x140
[  424.283653]  __alloc_pages_nodemask+0xad8/0xea0
[  424.288324]  ? zap_class+0x640/0x640
[  424.292044]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  424.297092]  ? find_held_lock+0x36/0x1c0
[  424.301207]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.305881]  ? lock_downgrade+0x900/0x900
[  424.310038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.315610]  cache_grow_begin+0xa5/0x8c0
[  424.319675]  ? do_raw_spin_unlock+0xa7/0x330
[  424.324090]  fallback_alloc+0x204/0x2e0
[  424.328069]  ____cache_alloc_node+0x1c7/0x1e0
[  424.332586]  kmem_cache_alloc_node+0xe3/0x730
[  424.337082]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.341692]  __alloc_skb+0x119/0x770
[  424.345412]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  424.350783]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.355203]  ? vprintk_default+0x28/0x30
[  424.359269]  ? vprintk_func+0x85/0x181
[  424.363193]  ? printk+0xa7/0xcf
[  424.366476]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  424.371244]  new_skb+0x26/0x1c0
[  424.374528]  aoecmd_cfg+0x279/0x7f0
[  424.378160]  ? find_held_lock+0x36/0x1c0
[  424.382224]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  424.386554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.392115]  ? __lock_is_held+0xb5/0x140
[  424.396221]  discover_timer+0x50/0x60
[  424.400039]  call_timer_fn+0x272/0x920
[  424.403932]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.408779]  ? process_timeout+0x40/0x40
[  424.412850]  ? __run_timers+0x7da/0xc70
[  424.416827]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.421320]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.425814]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.430656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.435239]  ? trace_hardirqs_on+0xbd/0x310
[  424.439563]  ? kasan_check_read+0x11/0x20
[  424.443711]  ? __run_timers+0x7da/0xc70
[  424.447689]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.452820]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.457662]  __run_timers+0x7e5/0xc70
[  424.461474]  ? timer_fixup_init+0x70/0x70
[  424.465625]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.470122]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.474623]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.479220]  ? trace_hardirqs_on+0xbd/0x310
[  424.483545]  ? kasan_check_read+0x11/0x20
[  424.487698]  ? finish_task_switch+0x1f4/0x910
[  424.492201]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.497321]  ? compat_start_thread+0x80/0x80
[  424.501755]  ? pvclock_read_flags+0x160/0x160
[  424.506252]  ? __switch_to_asm+0x34/0x70
[  424.510317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.515858]  ? check_preemption_disabled+0x48/0x280
[  424.520890]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  424.526437]  ? rcu_pm_notify+0xc0/0xc0
[  424.530327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.535870]  ? check_preemption_disabled+0x48/0x280
[  424.540893]  run_timer_softirq+0x52/0xb0
[  424.544963]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.549984]  __do_softirq+0x308/0xb7e
[  424.553789]  ? retint_kernel+0x2d/0x2d
[  424.557683]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.562786]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.568241]  ? retint_kernel+0x2d/0x2d
[  424.572136]  ? schedule+0x108/0x460
[  424.575777]  ? trace_hardirqs_off+0xb8/0x310
[  424.580201]  ? smpboot_thread_fn+0x68b/0xa00
[  424.584614]  ? trace_hardirqs_on+0x310/0x310
[  424.589025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.594563]  ? check_preemption_disabled+0x48/0x280
[  424.599585]  ? takeover_tasklets+0xa90/0xa90
[  424.603995]  run_ksoftirqd+0x5e/0x100
[  424.607798]  smpboot_thread_fn+0x68b/0xa00
[  424.612037]  ? sort_range+0x30/0x30
[  424.615666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.620770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.626308]  ? __kthread_parkme+0xfb/0x1a0
[  424.630547]  ? sort_range+0x30/0x30
[  424.634176]  kthread+0x35a/0x440
[  424.637545]  ? kthread_stop+0x900/0x900
[  424.641525]  ret_from_fork+0x3a/0x50
[  424.645256] warn_alloc_show_mem: 1 callbacks suppressed
[  424.645269] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  424.645270] Mem-Info:
[  424.645303] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  424.645303]  active_file:133 inactive_file:117 isolated_file:0
[  424.645303]  unevictable:0 dirty:3 writeback:0 unstable:0
[  424.645303]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  424.645303]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  424.645303]  free:13727 free_pcp:164 free_cma:0
[  424.650644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.658014] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  424.660421] Call Trace:
[  424.693632] 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
[  424.702976]  <IRQ>
[  424.730708] lowmem_reserve[]: 0 2818 6321 6321
[  424.733315]  dump_stack+0x244/0x39d
[  424.759423] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  424.761575]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.766132] lowmem_reserve[]: 0 0 3503 3503
[  424.769757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.797316] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  424.802506]  warn_alloc.cold.116+0xb7/0x1bd
[  424.806800] lowmem_reserve[]: 0 0 0 0
[  424.812331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.841544] 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
[  424.845859]  ? lock_downgrade+0x900/0x900
[  424.849633] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  424.854473]  ? trace_hardirqs_off+0xb8/0x310
[  424.867967] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  424.872109]  ? trace_hardirqs_off+0xb8/0x310
[  424.887439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.891839]  __alloc_pages_slowpath+0x2651/0x2de0
[  424.905339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.909755]  ? warn_alloc+0x120/0x120
[  424.918548] 2220 total pagecache pages
[  424.923383]  ? print_usage_bug+0xc0/0xc0
[  424.931950] 0 pages in swap cache
[  424.935741]  ? warn_alloc+0x120/0x120
[  424.939613] Swap cache stats: add 0, delete 0, find 0/0
[  424.943662]  ? warn_alloc+0x120/0x120
[  424.947094] Free swap  = 0kB
[  424.950886]  ? print_usage_bug+0xc0/0xc0
[  424.956243] Total swap = 0kB
[  424.960041]  ? print_usage_bug+0xc0/0xc0
[  424.963033] 1965979 pages RAM
[  424.967086]  ? __lock_acquire+0x62f/0x4c20
[  424.970084] 0 pages HighMem/MovableOnly
[  424.974138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.977222] 342854 pages reserved
[  424.981451]  ? should_fail+0x22d/0xd01
[  424.985410] 0 pages cma reserved
[  424.990948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.994453] aoe: skb alloc failure
[  424.998271]  ? __lock_acquire+0x62f/0x4c20
[  425.001674] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.006711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.010229] ksoftirqd/1 cpuset=/ mems_allowed=0
[  425.014458]  ? __lock_acquire+0x62f/0x4c20
[  425.038710]  ? should_fail+0x22d/0xd01
[  425.042602]  ? find_held_lock+0x36/0x1c0
[  425.046678]  ? mark_held_locks+0x130/0x130
[  425.050948]  ? mark_held_locks+0x130/0x130
[  425.055181]  ? zap_class+0x640/0x640
[  425.058896]  ? zap_class+0x640/0x640
[  425.063071]  ? print_usage_bug+0xc0/0xc0
[  425.067130]  ? do_raw_spin_unlock+0xa7/0x330
[  425.071626]  ? zap_class+0x640/0x640
[  425.075346]  ? print_usage_bug+0xc0/0xc0
[  425.079421]  ? wq_watchdog_touch+0x9c/0xfe
[  425.083663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.089206]  ? check_preemption_disabled+0x48/0x280
[  425.094235]  ? __lock_is_held+0xb5/0x140
[  425.098305]  __alloc_pages_nodemask+0xad8/0xea0
[  425.102974]  ? zap_class+0x640/0x640
[  425.106700]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  425.111747]  ? find_held_lock+0x36/0x1c0
[  425.115837]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.120526]  ? lock_downgrade+0x900/0x900
[  425.124682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.130225]  cache_grow_begin+0xa5/0x8c0
[  425.134283]  ? do_raw_spin_unlock+0xa7/0x330
[  425.138699]  fallback_alloc+0x204/0x2e0
[  425.142683]  ____cache_alloc_node+0x1c7/0x1e0
[  425.147200]  kmem_cache_alloc_node+0xe3/0x730
[  425.151696]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.155942]  __alloc_skb+0x119/0x770
[  425.159658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.164941]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.169366]  ? lock_downgrade+0x900/0x900
[  425.173536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.179116]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.184571]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.190022]  ? addrconf_rs_timer+0x690/0x690
[  425.194449]  ndisc_alloc_skb+0x144/0x340
[  425.198518]  ndisc_send_rs+0x331/0x6e0
[  425.202454]  addrconf_rs_timer+0x314/0x690
[  425.206701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.210966]  call_timer_fn+0x272/0x920
[  425.214888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.219135]  ? process_timeout+0x40/0x40
[  425.223222]  ? __run_timers+0x7da/0xc70
[  425.227198]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.231693]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.236187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.240439]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.245025]  ? trace_hardirqs_on+0xbd/0x310
[  425.249346]  ? kasan_check_read+0x11/0x20
[  425.253497]  ? __run_timers+0x7da/0xc70
[  425.257480]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.262589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.266829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.271082]  __run_timers+0x7e5/0xc70
[  425.274897]  ? timer_fixup_init+0x70/0x70
[  425.279060]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.284092]  ? zap_class+0x640/0x640
[  425.287823]  ? enqueue_hrtimer+0x1a5/0x560
[  425.292074]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.297293]  ? find_held_lock+0x36/0x1c0
[  425.301363]  ? zap_class+0x640/0x640
[  425.305095]  ? pvclock_read_flags+0x160/0x160
[  425.309598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.315137]  ? check_preemption_disabled+0x48/0x280
[  425.320169]  ? __lock_is_held+0xb5/0x140
[  425.324236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.329775]  ? check_preemption_disabled+0x48/0x280
[  425.334799]  run_timer_softirq+0x52/0xb0
[  425.338862]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.343884]  __do_softirq+0x308/0xb7e
[  425.347696]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.352210]  ? lock_downgrade+0x900/0x900
[  425.356367]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.361489]  ? pvclock_read_flags+0x160/0x160
[  425.365991]  ? lapic_next_event+0x5a/0x90
[  425.370141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.375686]  ? kvm_clock_read+0x18/0x30
[  425.379663]  ? kvm_sched_clock_read+0x9/0x20
[  425.384091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.389660]  ? check_preemption_disabled+0x48/0x280
[  425.394685]  irq_exit+0x17f/0x1c0
[  425.398155]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.402996]  ? smp_reschedule_interrupt+0x109/0x650
[  425.408014]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.413918]  ? interrupt_entry+0xb5/0xc0
[  425.418000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.423017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.428031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.432869]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.437884]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.442898]  ? task_prio+0x50/0x50
[  425.446449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.451985]  ? check_preemption_disabled+0x48/0x280
[  425.457009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.461860]  apic_timer_interrupt+0xf/0x20
[  425.466087]  </IRQ>
[  425.468325] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  425.473261] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  425.492159] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  425.499868] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  425.507137] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  425.514412] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  425.521701] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  425.528972] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  425.536290]  skb_clone+0x1bb/0x500
[  425.539834]  ? skb_split+0x11e0/0x11e0
[  425.543729]  ? preempt_notifier_register+0x200/0x200
[  425.548846]  ? __switch_to_asm+0x34/0x70
[  425.552918]  ? __switch_to_asm+0x34/0x70
[  425.556978]  ? __switch_to_asm+0x40/0x70
[  425.561038]  ? __switch_to_asm+0x34/0x70
[  425.565096]  ? __switch_to_asm+0x40/0x70
[  425.569172]  ? __switch_to_asm+0x40/0x70
[  425.573239]  ? __switch_to_asm+0x34/0x70
[  425.577314]  ? __switch_to_asm+0x34/0x70
[  425.581408]  ? __switch_to_asm+0x40/0x70
[  425.585488]  ? __switch_to_asm+0x34/0x70
[  425.589553]  bpf_clone_redirect+0xb9/0x490
[  425.593800]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  425.598819]  ? __sched_text_start+0x8/0x8
[  425.602971]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.607740]  ? find_held_lock+0x36/0x1c0
[  425.611814]  ? lock_acquire+0x1ed/0x520
[  425.615789]  ? bpf_test_run+0x3ee/0x7a0
[  425.619777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.625316]  ? check_preemption_disabled+0x48/0x280
[  425.630340]  ? kasan_check_read+0x11/0x20
[  425.634492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.639768]  ? rcu_softirq_qs+0x20/0x20
[  425.643747]  ? preempt_schedule+0x4d/0x60
[  425.647901]  ? ___preempt_schedule+0x16/0x18
[  425.652320]  ? bpf_test_run+0x271/0x7a0
[  425.656314]  ? netlink_diag_dump+0x2a0/0x2a0
[  425.660753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.666333]  ? bpf_test_init.isra.10+0x70/0x100
[  425.671008]  ? bpf_prog_test_run_skb+0x762/0xd60
[  425.675773]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.680651]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.686194]  ? fput+0x130/0x1a0
[  425.689479]  ? __bpf_prog_get+0x9b/0x290
[  425.693544]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.698399]  ? bpf_prog_test_run+0x130/0x1a0
[  425.702821]  ? __x64_sys_bpf+0x3d8/0x520
[  425.706886]  ? bpf_prog_get+0x20/0x20
[  425.710712]  ? do_syscall_64+0x1b9/0x820
[  425.714773]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.720145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.725076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.729916]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.734935]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.739968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.744994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.749864]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.755247] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  425.755315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.762178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.762183] Call Trace:
[  425.762202]  dump_stack+0x244/0x39d
[  425.762223]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.768753] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.778051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.780609] syz-executor2 cpuset=syz2 mems_allowed=0
[  425.784236]  warn_alloc.cold.116+0xb7/0x1bd
[  425.814816]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.819664]  ? lock_downgrade+0x900/0x900
[  425.823824]  ? trace_hardirqs_off+0xb8/0x310
[  425.828243]  ? trace_hardirqs_off+0xb8/0x310
[  425.832661]  __alloc_pages_slowpath+0x2651/0x2de0
[  425.837532]  ? warn_alloc+0x120/0x120
[  425.841363]  ? warn_alloc+0x120/0x120
[  425.845179]  ? warn_alloc+0x120/0x120
[  425.848985]  ? print_usage_bug+0xc0/0xc0
[  425.853051]  ? print_usage_bug+0xc0/0xc0
[  425.857111]  ? mark_held_locks+0x130/0x130
[  425.861347]  ? mark_held_locks+0x130/0x130
[  425.865586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.871127]  ? should_fail+0x22d/0xd01
[  425.875014]  ? zap_class+0x640/0x640
[  425.878734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.883842]  ? __lock_acquire+0x62f/0x4c20
[  425.888092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.893195]  ? __lock_acquire+0x62f/0x4c20
[  425.897434]  ? should_fail+0x22d/0xd01
[  425.901337]  ? mark_held_locks+0x130/0x130
[  425.905582]  ? mark_held_locks+0x130/0x130
[  425.909814]  ? lock_downgrade+0x900/0x900
[  425.913963]  ? zap_class+0x640/0x640
[  425.917681]  ? zap_class+0x640/0x640
[  425.921398]  ? do_raw_spin_unlock+0xa7/0x330
[  425.925815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.930575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.936114]  ? check_preemption_disabled+0x48/0x280
[  425.941144]  ? __lock_is_held+0xb5/0x140
[  425.945214]  __alloc_pages_nodemask+0xad8/0xea0
[  425.949884]  ? zap_class+0x640/0x640
[  425.953608]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  425.958641]  ? find_held_lock+0x36/0x1c0
[  425.962717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.967400]  ? lock_downgrade+0x900/0x900
[  425.971557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.977103]  cache_grow_begin+0xa5/0x8c0
[  425.981191]  ? do_raw_spin_unlock+0xa7/0x330
[  425.985623]  fallback_alloc+0x204/0x2e0
[  425.989605]  ____cache_alloc_node+0x1c7/0x1e0
[  425.994121]  kmem_cache_alloc_node+0xe3/0x730
[  425.998619]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.003216]  __alloc_skb+0x119/0x770
[  426.006934]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  426.012305]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.016724]  ? vprintk_default+0x28/0x30
[  426.020790]  ? vprintk_func+0x85/0x181
[  426.024679]  ? printk+0xa7/0xcf
[  426.027964]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  426.032735]  new_skb+0x26/0x1c0
[  426.036016]  aoecmd_cfg+0x279/0x7f0
[  426.039649]  ? find_held_lock+0x36/0x1c0
[  426.043727]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  426.048054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.053615]  ? __lock_is_held+0xb5/0x140
[  426.057693]  discover_timer+0x50/0x60
[  426.061496]  call_timer_fn+0x272/0x920
[  426.065383]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  426.070239]  ? process_timeout+0x40/0x40
[  426.074311]  ? __run_timers+0x7da/0xc70
[  426.078290]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.082788]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.087282]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  426.092128]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.096716]  ? trace_hardirqs_on+0xbd/0x310
[  426.101055]  ? kasan_check_read+0x11/0x20
[  426.105202]  ? __run_timers+0x7da/0xc70
[  426.109180]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.114297]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  426.119139]  __run_timers+0x7e5/0xc70
[  426.122954]  ? timer_fixup_init+0x70/0x70
[  426.127110]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.131607]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.136106]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.140697]  ? trace_hardirqs_on+0xbd/0x310
[  426.145025]  ? kasan_check_read+0x11/0x20
[  426.149194]  ? finish_task_switch+0x1f4/0x910
[  426.153691]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.158798]  ? compat_start_thread+0x80/0x80
[  426.163248]  ? pvclock_read_flags+0x160/0x160
[  426.167745]  ? __switch_to_asm+0x34/0x70
[  426.171809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.177349]  ? check_preemption_disabled+0x48/0x280
[  426.182375]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  426.187926]  ? rcu_pm_notify+0xc0/0xc0
[  426.191821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.197871]  ? check_preemption_disabled+0x48/0x280
[  426.202896]  run_timer_softirq+0x52/0xb0
[  426.206969]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.211989]  __do_softirq+0x308/0xb7e
[  426.215795]  ? retint_kernel+0x2d/0x2d
[  426.219689]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.224796]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.230245]  ? retint_kernel+0x2d/0x2d
[  426.234143]  ? schedule+0x108/0x460
[  426.237785]  ? trace_hardirqs_off+0xb8/0x310
[  426.242195]  ? smpboot_thread_fn+0x68b/0xa00
[  426.246608]  ? trace_hardirqs_on+0x310/0x310
[  426.251018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.256563]  ? check_preemption_disabled+0x48/0x280
[  426.261581]  ? takeover_tasklets+0xa90/0xa90
[  426.265994]  run_ksoftirqd+0x5e/0x100
[  426.269797]  smpboot_thread_fn+0x68b/0xa00
[  426.274035]  ? sort_range+0x30/0x30
[  426.277662]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.282764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.288304]  ? __kthread_parkme+0xfb/0x1a0
[  426.292542]  ? sort_range+0x30/0x30
[  426.296168]  kthread+0x35a/0x440
[  426.299540]  ? kthread_stop+0x900/0x900
[  426.303516]  ret_from_fork+0x3a/0x50
[  426.307250] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  426.307255] warn_alloc_show_mem: 1 callbacks suppressed
[  426.307263] Mem-Info:
[  426.314618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.319989] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  426.319989]  active_file:133 inactive_file:117 isolated_file:0
[  426.319989]  unevictable:0 dirty:3 writeback:0 unstable:0
[  426.319989]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  426.319989]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  426.319989]  free:13727 free_pcp:164 free_cma:0
[  426.322359] Call Trace:
[  426.331752] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  426.364944]  <IRQ>
[  426.367512] 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
[  426.395263]  dump_stack+0x244/0x39d
[  426.397399] lowmem_reserve[]: 0 2818 6321 6321
[  426.423508]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.427111] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  426.431689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.436854] lowmem_reserve[]: 0 0 3503 3503
[  426.464442]  warn_alloc.cold.116+0xb7/0x1bd
[  426.469951] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  426.474280]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.478579] lowmem_reserve[]: 0 0 0 0
[  426.507811]  ? lock_downgrade+0x900/0x900
[  426.512627] 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
[  426.516435]  ? trace_hardirqs_off+0xb8/0x310
[  426.520549] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  426.534071]  ? trace_hardirqs_off+0xb8/0x310
[  426.538453] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  426.553795]  __alloc_pages_slowpath+0x2651/0x2de0
[  426.558180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.571714]  ? warn_alloc+0x120/0x120
[  426.576514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.585334]  ? print_usage_bug+0xc0/0xc0
[  426.589114] 2220 total pagecache pages
[  426.597681]  ? warn_alloc+0x120/0x120
[  426.601723] 0 pages in swap cache
[  426.605602]  ? warn_alloc+0x120/0x120
[  426.609385] Swap cache stats: add 0, delete 0, find 0/0
[  426.612833]  ? print_usage_bug+0xc0/0xc0
[  426.616612] Free swap  = 0kB
[  426.621967]  ? print_usage_bug+0xc0/0xc0
[  426.626004] Total swap = 0kB
[  426.629019]  ? __lock_acquire+0x62f/0x4c20
[  426.633102] 1965979 pages RAM
[  426.636116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.640328] 0 pages HighMem/MovableOnly
[  426.643431]  ? should_fail+0x22d/0xd01
[  426.648940] 342854 pages reserved
[  426.652912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.656783] 0 pages cma reserved
[  426.660232]  ? __lock_acquire+0x62f/0x4c20
[  426.665402] aoe: skb alloc failure
[  426.668671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.672948] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.676430]  ? __lock_acquire+0x62f/0x4c20
[  426.681504] ksoftirqd/1 cpuset=/ mems_allowed=0
[  426.691812]  ? should_fail+0x22d/0xd01
[  426.704555]  ? find_held_lock+0x36/0x1c0
[  426.708629]  ? mark_held_locks+0x130/0x130
[  426.712869]  ? mark_held_locks+0x130/0x130
[  426.717105]  ? zap_class+0x640/0x640
[  426.720822]  ? zap_class+0x640/0x640
[  426.724543]  ? print_usage_bug+0xc0/0xc0
[  426.728608]  ? do_raw_spin_unlock+0xa7/0x330
[  426.733020]  ? zap_class+0x640/0x640
[  426.736735]  ? print_usage_bug+0xc0/0xc0
[  426.740800]  ? wq_watchdog_touch+0x9c/0xfe
[  426.745037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.750580]  ? check_preemption_disabled+0x48/0x280
[  426.755612]  ? __lock_is_held+0xb5/0x140
[  426.759681]  __alloc_pages_nodemask+0xad8/0xea0
[  426.764353]  ? zap_class+0x640/0x640
[  426.768072]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  426.773100]  ? find_held_lock+0x36/0x1c0
[  426.777173]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.781860]  ? lock_downgrade+0x900/0x900
[  426.786020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.791562]  cache_grow_begin+0xa5/0x8c0
[  426.795622]  ? do_raw_spin_unlock+0xa7/0x330
[  426.800043]  fallback_alloc+0x204/0x2e0
[  426.804026]  ____cache_alloc_node+0x1c7/0x1e0
[  426.808530]  kmem_cache_alloc_node+0xe3/0x730
[  426.813032]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.817281]  __alloc_skb+0x119/0x770
[  426.820997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.826279]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.830687]  ? lock_downgrade+0x900/0x900
[  426.834847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.840387]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.845872]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.851321]  ? addrconf_rs_timer+0x690/0x690
[  426.855747]  ndisc_alloc_skb+0x144/0x340
[  426.859815]  ndisc_send_rs+0x331/0x6e0
[  426.863706]  addrconf_rs_timer+0x314/0x690
[  426.867946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.872204]  call_timer_fn+0x272/0x920
[  426.876091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.880340]  ? process_timeout+0x40/0x40
[  426.884423]  ? __run_timers+0x7da/0xc70
[  426.888408]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.892909]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.897420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.901658]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.906247]  ? trace_hardirqs_on+0xbd/0x310
[  426.910567]  ? kasan_check_read+0x11/0x20
[  426.914713]  ? __run_timers+0x7da/0xc70
[  426.918702]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.923818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.928050]  __run_timers+0x7e5/0xc70
[  426.931859]  ? timer_fixup_init+0x70/0x70
[  426.936007]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.941026]  ? zap_class+0x640/0x640
[  426.944775]  ? enqueue_hrtimer+0x1a5/0x560
[  426.949011]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.954212]  ? find_held_lock+0x36/0x1c0
[  426.958278]  ? zap_class+0x640/0x640
[  426.961995]  ? pvclock_read_flags+0x160/0x160
[  426.966496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.972039]  ? check_preemption_disabled+0x48/0x280
[  426.977064]  ? __lock_is_held+0xb5/0x140
[  426.981143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.986682]  ? check_preemption_disabled+0x48/0x280
[  426.991709]  run_timer_softirq+0x52/0xb0
[  426.995782]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.000813]  __do_softirq+0x308/0xb7e
[  427.004619]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.009113]  ? lock_downgrade+0x900/0x900
[  427.013268]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.018382]  ? pvclock_read_flags+0x160/0x160
[  427.022900]  ? lapic_next_event+0x5a/0x90
[  427.027055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.032599]  ? kvm_clock_read+0x18/0x30
[  427.036574]  ? kvm_sched_clock_read+0x9/0x20
[  427.040986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.046526]  ? check_preemption_disabled+0x48/0x280
[  427.051554]  irq_exit+0x17f/0x1c0
[  427.055008]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.059865]  ? smp_reschedule_interrupt+0x109/0x650
[  427.065330]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.071245]  ? interrupt_entry+0xb5/0xc0
[  427.075310]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.080326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.085347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.090195]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.095225]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.100249]  ? task_prio+0x50/0x50
[  427.103790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.109331]  ? check_preemption_disabled+0x48/0x280
[  427.114369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.119237]  apic_timer_interrupt+0xf/0x20
[  427.123480]  </IRQ>
[  427.125747] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.130681] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  427.149582] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  427.157306] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.164574] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  427.171843] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  427.179127] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.186405] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  427.193719]  skb_clone+0x1bb/0x500
[  427.197260]  ? skb_split+0x11e0/0x11e0
[  427.201152]  ? preempt_notifier_register+0x200/0x200
[  427.206252]  ? __switch_to_asm+0x34/0x70
[  427.210311]  ? __switch_to_asm+0x34/0x70
[  427.214371]  ? __switch_to_asm+0x40/0x70
[  427.218445]  ? __switch_to_asm+0x34/0x70
[  427.222505]  ? __switch_to_asm+0x40/0x70
[  427.226565]  ? __switch_to_asm+0x40/0x70
[  427.230625]  ? __switch_to_asm+0x34/0x70
[  427.234686]  ? __switch_to_asm+0x34/0x70
[  427.238743]  ? __switch_to_asm+0x40/0x70
[  427.242803]  ? __switch_to_asm+0x34/0x70
[  427.246914]  bpf_clone_redirect+0xb9/0x490
[  427.251160]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  427.256182]  ? __sched_text_start+0x8/0x8
[  427.260345]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.265117]  ? find_held_lock+0x36/0x1c0
[  427.269185]  ? lock_acquire+0x1ed/0x520
[  427.273163]  ? bpf_test_run+0x3ee/0x7a0
[  427.277137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.282675]  ? check_preemption_disabled+0x48/0x280
[  427.287697]  ? kasan_check_read+0x11/0x20
[  427.291846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.297124]  ? rcu_softirq_qs+0x20/0x20
[  427.301101]  ? preempt_schedule+0x4d/0x60
[  427.305253]  ? ___preempt_schedule+0x16/0x18
[  427.309671]  ? bpf_test_run+0x271/0x7a0
[  427.313660]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.318073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.323612]  ? bpf_test_init.isra.10+0x70/0x100
[  427.328292]  ? bpf_prog_test_run_skb+0x762/0xd60
[  427.333094]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.337952]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.343503]  ? fput+0x130/0x1a0
[  427.346792]  ? __bpf_prog_get+0x9b/0x290
[  427.350858]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.355703]  ? bpf_prog_test_run+0x130/0x1a0
[  427.360120]  ? __x64_sys_bpf+0x3d8/0x520
[  427.364179]  ? bpf_prog_get+0x20/0x20
[  427.368004]  ? do_syscall_64+0x1b9/0x820
[  427.372063]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  427.377441]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.382384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.387248]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.392264]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.397287]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.402312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.407161]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  427.412547] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  427.412617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.419473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.419479] Call Trace:
[  427.419498]  dump_stack+0x244/0x39d
[  427.419522]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.426051] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.435341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.437901] syz-executor2 cpuset=syz2 mems_allowed=0
[  427.441536]  warn_alloc.cold.116+0xb7/0x1bd
[  427.472084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.476935]  ? lock_downgrade+0x900/0x900
[  427.481093]  ? trace_hardirqs_off+0xb8/0x310
[  427.485508]  ? trace_hardirqs_off+0xb8/0x310
[  427.489929]  __alloc_pages_slowpath+0x2651/0x2de0
[  427.494806]  ? warn_alloc+0x120/0x120
[  427.498612]  ? warn_alloc+0x120/0x120
[  427.502427]  ? warn_alloc+0x120/0x120
[  427.506236]  ? print_usage_bug+0xc0/0xc0
[  427.510303]  ? print_usage_bug+0xc0/0xc0
[  427.514370]  ? mark_held_locks+0x130/0x130
[  427.518622]  ? mark_held_locks+0x130/0x130
[  427.522860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.528411]  ? should_fail+0x22d/0xd01
[  427.532298]  ? zap_class+0x640/0x640
[  427.536030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.541137]  ? __lock_acquire+0x62f/0x4c20
[  427.545378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.550497]  ? __lock_acquire+0x62f/0x4c20
[  427.554733]  ? should_fail+0x22d/0xd01
[  427.558631]  ? mark_held_locks+0x130/0x130
[  427.562876]  ? mark_held_locks+0x130/0x130
[  427.567112]  ? lock_downgrade+0x900/0x900
[  427.571261]  ? zap_class+0x640/0x640
[  427.574984]  ? zap_class+0x640/0x640
[  427.578695]  ? do_raw_spin_unlock+0xa7/0x330
[  427.583108]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.587867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.593413]  ? check_preemption_disabled+0x48/0x280
[  427.598469]  ? __lock_is_held+0xb5/0x140
[  427.602550]  __alloc_pages_nodemask+0xad8/0xea0
[  427.607229]  ? zap_class+0x640/0x640
[  427.610965]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  427.616010]  ? find_held_lock+0x36/0x1c0
[  427.620099]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.624801]  ? lock_downgrade+0x900/0x900
[  427.628979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.634524]  cache_grow_begin+0xa5/0x8c0
[  427.638590]  ? do_raw_spin_unlock+0xa7/0x330
[  427.643007]  fallback_alloc+0x204/0x2e0
[  427.646990]  ____cache_alloc_node+0x1c7/0x1e0
[  427.651497]  kmem_cache_alloc_node+0xe3/0x730
[  427.655995]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.660591]  __alloc_skb+0x119/0x770
[  427.664307]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  427.669680]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.674097]  ? vprintk_default+0x28/0x30
[  427.678177]  ? vprintk_func+0x85/0x181
[  427.682066]  ? printk+0xa7/0xcf
[  427.685345]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  427.690114]  new_skb+0x26/0x1c0
[  427.693408]  aoecmd_cfg+0x279/0x7f0
[  427.697041]  ? find_held_lock+0x36/0x1c0
[  427.701118]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  427.705463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.711014]  ? __lock_is_held+0xb5/0x140
[  427.715091]  discover_timer+0x50/0x60
[  427.718908]  call_timer_fn+0x272/0x920
[  427.722818]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  427.727660]  ? process_timeout+0x40/0x40
[  427.731732]  ? __run_timers+0x7da/0xc70
[  427.735709]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.740225]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.744730]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  427.749592]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.754176]  ? trace_hardirqs_on+0xbd/0x310
[  427.758503]  ? kasan_check_read+0x11/0x20
[  427.762653]  ? __run_timers+0x7da/0xc70
[  427.766628]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.771747]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  427.776591]  __run_timers+0x7e5/0xc70
[  427.780411]  ? timer_fixup_init+0x70/0x70
[  427.784558]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.789053]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.793551]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.798153]  ? trace_hardirqs_on+0xbd/0x310
[  427.802479]  ? kasan_check_read+0x11/0x20
[  427.806629]  ? finish_task_switch+0x1f4/0x910
[  427.811130]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.816232]  ? compat_start_thread+0x80/0x80
[  427.820661]  ? pvclock_read_flags+0x160/0x160
[  427.825155]  ? __switch_to_asm+0x34/0x70
[  427.829249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.834792]  ? check_preemption_disabled+0x48/0x280
[  427.839819]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  427.845362]  ? rcu_pm_notify+0xc0/0xc0
[  427.849258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.854796]  ? check_preemption_disabled+0x48/0x280
[  427.859849]  run_timer_softirq+0x52/0xb0
[  427.863910]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.868982]  __do_softirq+0x308/0xb7e
[  427.872799]  ? retint_kernel+0x2d/0x2d
[  427.876708]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.881814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.887263]  ? retint_kernel+0x2d/0x2d
[  427.891160]  ? schedule+0x108/0x460
[  427.894797]  ? trace_hardirqs_off+0xb8/0x310
[  427.899206]  ? smpboot_thread_fn+0x68b/0xa00
[  427.903614]  ? trace_hardirqs_on+0x310/0x310
[  427.908028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.913569]  ? check_preemption_disabled+0x48/0x280
[  427.918586]  ? takeover_tasklets+0xa90/0xa90
[  427.923001]  run_ksoftirqd+0x5e/0x100
[  427.926803]  smpboot_thread_fn+0x68b/0xa00
[  427.931042]  ? sort_range+0x30/0x30
[  427.934670]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.939776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.945315]  ? __kthread_parkme+0xfb/0x1a0
[  427.949553]  ? sort_range+0x30/0x30
[  427.953181]  kthread+0x35a/0x440
[  427.956553]  ? kthread_stop+0x900/0x900
[  427.960530]  ret_from_fork+0x3a/0x50
[  427.964262] warn_alloc_show_mem: 1 callbacks suppressed
[  427.964274] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  427.964276] Mem-Info:
[  427.964309] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  427.964309]  active_file:133 inactive_file:117 isolated_file:0
[  427.964309]  unevictable:0 dirty:3 writeback:0 unstable:0
[  427.964309]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  427.964309]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  427.964309]  free:13727 free_pcp:164 free_cma:0
[  427.969638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.969647] Call Trace:
[  427.977015] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  427.979422]  <IRQ>
[  428.012635] 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
[  428.021989]  dump_stack+0x244/0x39d
[  428.024548] lowmem_reserve[]: 0 2818 6321 6321
[  428.052303]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.054443] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  428.080548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.084148] lowmem_reserve[]: 0 0 3503 3503
[  428.088731]  warn_alloc.cold.116+0xb7/0x1bd
[  428.093908] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  428.121488]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.127000] lowmem_reserve[]: 0 0 0 0
[  428.131315]  ? lock_downgrade+0x900/0x900
[  428.135616] 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
[  428.164850]  ? trace_hardirqs_off+0xb8/0x310
[  428.169666] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  428.173461]  ? trace_hardirqs_off+0xb8/0x310
[  428.177583] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  428.191103]  __alloc_pages_slowpath+0x2651/0x2de0
[  428.195969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.211332]  ? warn_alloc+0x120/0x120
[  428.215700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.229211]  ? print_usage_bug+0xc0/0xc0
[  428.234032] 2220 total pagecache pages
[  428.242857]  ? warn_alloc+0x120/0x120
[  428.246640] 0 pages in swap cache
[  428.255202]  ? warn_alloc+0x120/0x120
[  428.259244] Swap cache stats: add 0, delete 0, find 0/0
[  428.263136]  ? print_usage_bug+0xc0/0xc0
[  428.266920] Free swap  = 0kB
[  428.270363]  ? print_usage_bug+0xc0/0xc0
[  428.274143] Total swap = 0kB
[  428.279502]  ? __lock_acquire+0x62f/0x4c20
[  428.283539] 1965979 pages RAM
[  428.286555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.290592] 0 pages HighMem/MovableOnly
[  428.293607]  ? should_fail+0x22d/0xd01
[  428.297815] 342854 pages reserved
[  428.300916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.306449] 0 pages cma reserved
[  428.310431]  ? __lock_acquire+0x62f/0x4c20
[  428.314356] aoe: skb alloc failure
[  428.317737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.322877] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.326184]  ? __lock_acquire+0x62f/0x4c20
[  428.330403] ksoftirqd/1 cpuset=/ mems_allowed=0
[  428.333944]  ? should_fail+0x22d/0xd01
[  428.362108]  ? find_held_lock+0x36/0x1c0
[  428.366177]  ? mark_held_locks+0x130/0x130
[  428.370431]  ? mark_held_locks+0x130/0x130
[  428.374667]  ? zap_class+0x640/0x640
[  428.378381]  ? zap_class+0x640/0x640
[  428.382111]  ? print_usage_bug+0xc0/0xc0
[  428.386173]  ? do_raw_spin_unlock+0xa7/0x330
[  428.390585]  ? zap_class+0x640/0x640
[  428.394299]  ? print_usage_bug+0xc0/0xc0
[  428.398364]  ? wq_watchdog_touch+0x9c/0xfe
[  428.402608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.408153]  ? check_preemption_disabled+0x48/0x280
[  428.413190]  ? __lock_is_held+0xb5/0x140
[  428.417270]  __alloc_pages_nodemask+0xad8/0xea0
[  428.421938]  ? zap_class+0x640/0x640
[  428.425657]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  428.430685]  ? find_held_lock+0x36/0x1c0
[  428.434760]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.439440]  ? lock_downgrade+0x900/0x900
[  428.443596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.449142]  cache_grow_begin+0xa5/0x8c0
[  428.453206]  ? do_raw_spin_unlock+0xa7/0x330
[  428.457622]  fallback_alloc+0x204/0x2e0
[  428.461603]  ____cache_alloc_node+0x1c7/0x1e0
[  428.466105]  kmem_cache_alloc_node+0xe3/0x730
[  428.470605]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.474853]  __alloc_skb+0x119/0x770
[  428.478568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.483849]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.488256]  ? lock_downgrade+0x900/0x900
[  428.492424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.497967]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.503437]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.508889]  ? addrconf_rs_timer+0x690/0x690
[  428.513310]  ndisc_alloc_skb+0x144/0x340
[  428.517378]  ndisc_send_rs+0x331/0x6e0
[  428.521283]  addrconf_rs_timer+0x314/0x690
[  428.525522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.529768]  call_timer_fn+0x272/0x920
[  428.533659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.537935]  ? process_timeout+0x40/0x40
[  428.542017]  ? __run_timers+0x7da/0xc70
[  428.545992]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.550504]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.554999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.559236]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.563820]  ? trace_hardirqs_on+0xbd/0x310
[  428.568141]  ? kasan_check_read+0x11/0x20
[  428.572287]  ? __run_timers+0x7da/0xc70
[  428.576264]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.581381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.585640]  __run_timers+0x7e5/0xc70
[  428.589462]  ? timer_fixup_init+0x70/0x70
[  428.593611]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.598627]  ? zap_class+0x640/0x640
[  428.602348]  ? enqueue_hrtimer+0x1a5/0x560
[  428.606587]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.611790]  ? find_held_lock+0x36/0x1c0
[  428.615872]  ? zap_class+0x640/0x640
[  428.619609]  ? pvclock_read_flags+0x160/0x160
[  428.624121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.629663]  ? check_preemption_disabled+0x48/0x280
[  428.634690]  ? __lock_is_held+0xb5/0x140
[  428.638752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.644291]  ? check_preemption_disabled+0x48/0x280
[  428.649315]  run_timer_softirq+0x52/0xb0
[  428.653381]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.658433]  __do_softirq+0x308/0xb7e
[  428.662271]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.666793]  ? lock_downgrade+0x900/0x900
[  428.670978]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.676103]  ? pvclock_read_flags+0x160/0x160
[  428.680604]  ? lapic_next_event+0x5a/0x90
[  428.684780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.690320]  ? kvm_clock_read+0x18/0x30
[  428.694297]  ? kvm_sched_clock_read+0x9/0x20
[  428.698712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.704252]  ? check_preemption_disabled+0x48/0x280
[  428.709290]  irq_exit+0x17f/0x1c0
[  428.712744]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.717591]  ? smp_reschedule_interrupt+0x109/0x650
[  428.722608]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.728495]  ? interrupt_entry+0xb5/0xc0
[  428.732561]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.737577]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.742594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.747445]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.752462]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.757483]  ? task_prio+0x50/0x50
[  428.761024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.766563]  ? check_preemption_disabled+0x48/0x280
[  428.771585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.776445]  apic_timer_interrupt+0xf/0x20
[  428.780675]  </IRQ>
[  428.782912] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  428.787841] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  428.806743] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  428.814480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  428.821747] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  428.829017] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  428.836287] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  428.843573] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  428.850876]  skb_clone+0x1bb/0x500
[  428.854430]  ? skb_split+0x11e0/0x11e0
[  428.858326]  ? preempt_notifier_register+0x200/0x200
[  428.863433]  ? __switch_to_asm+0x34/0x70
[  428.867490]  ? __switch_to_asm+0x34/0x70
[  428.871576]  ? __switch_to_asm+0x40/0x70
[  428.875633]  ? __switch_to_asm+0x34/0x70
[  428.879691]  ? __switch_to_asm+0x40/0x70
[  428.883755]  ? __switch_to_asm+0x40/0x70
[  428.887813]  ? __switch_to_asm+0x34/0x70
[  428.891872]  ? __switch_to_asm+0x34/0x70
[  428.895936]  ? __switch_to_asm+0x40/0x70
[  428.900008]  ? __switch_to_asm+0x34/0x70
[  428.904088]  bpf_clone_redirect+0xb9/0x490
[  428.908332]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  428.913361]  ? __sched_text_start+0x8/0x8
[  428.917518]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  428.922298]  ? find_held_lock+0x36/0x1c0
[  428.926380]  ? lock_acquire+0x1ed/0x520
[  428.930406]  ? bpf_test_run+0x3ee/0x7a0
[  428.934446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.939987]  ? check_preemption_disabled+0x48/0x280
[  428.945009]  ? kasan_check_read+0x11/0x20
[  428.949160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.954447]  ? rcu_softirq_qs+0x20/0x20
[  428.958454]  ? preempt_schedule+0x4d/0x60
[  428.962606]  ? ___preempt_schedule+0x16/0x18
[  428.967027]  ? bpf_test_run+0x271/0x7a0
[  428.971016]  ? netlink_diag_dump+0x2a0/0x2a0
[  428.975441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.980981]  ? bpf_test_init.isra.10+0x70/0x100
[  428.985659]  ? bpf_prog_test_run_skb+0x762/0xd60
[  428.990445]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.995298]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  429.000837]  ? fput+0x130/0x1a0
[  429.004123]  ? __bpf_prog_get+0x9b/0x290
[  429.008208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  429.013057]  ? bpf_prog_test_run+0x130/0x1a0
[  429.017472]  ? __x64_sys_bpf+0x3d8/0x520
[  429.021534]  ? bpf_prog_get+0x20/0x20
[  429.025354]  ? do_syscall_64+0x1b9/0x820
[  429.029428]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  429.034800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.039731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.044576]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.049594]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  429.054614]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.059636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.064984]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  429.070366] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  429.070449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.077304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.077314] Call Trace:
[  429.083917] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.093182]  dump_stack+0x244/0x39d
[  429.095773] syz-executor2 cpuset=syz2 mems_allowed=0
[  429.106252]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.120126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.125673]  warn_alloc.cold.116+0xb7/0x1bd
[  429.130016]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.134864]  ? lock_downgrade+0x900/0x900
[  429.139021]  ? trace_hardirqs_off+0xb8/0x310
[  429.143439]  ? trace_hardirqs_off+0xb8/0x310
[  429.147874]  __alloc_pages_slowpath+0x2651/0x2de0
[  429.152747]  ? warn_alloc+0x120/0x120
[  429.156554]  ? warn_alloc+0x120/0x120
[  429.160360]  ? warn_alloc+0x120/0x120
[  429.164191]  ? print_usage_bug+0xc0/0xc0
[  429.168257]  ? print_usage_bug+0xc0/0xc0
[  429.172320]  ? mark_held_locks+0x130/0x130
[  429.176558]  ? mark_held_locks+0x130/0x130
[  429.180797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.186349]  ? should_fail+0x22d/0xd01
[  429.190234]  ? zap_class+0x640/0x640
[  429.193971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.199076]  ? __lock_acquire+0x62f/0x4c20
[  429.203318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.208432]  ? __lock_acquire+0x62f/0x4c20
[  429.212668]  ? should_fail+0x22d/0xd01
[  429.216568]  ? mark_held_locks+0x130/0x130
[  429.220811]  ? mark_held_locks+0x130/0x130
[  429.225045]  ? lock_downgrade+0x900/0x900
[  429.229207]  ? zap_class+0x640/0x640
[  429.232933]  ? zap_class+0x640/0x640
[  429.236647]  ? do_raw_spin_unlock+0xa7/0x330
[  429.241057]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  429.245820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.251376]  ? check_preemption_disabled+0x48/0x280
[  429.256443]  ? __lock_is_held+0xb5/0x140
[  429.260526]  __alloc_pages_nodemask+0xad8/0xea0
[  429.265239]  ? zap_class+0x640/0x640
[  429.268962]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  429.273993]  ? find_held_lock+0x36/0x1c0
[  429.278082]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.282770]  ? lock_downgrade+0x900/0x900
[  429.286931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.292478]  cache_grow_begin+0xa5/0x8c0
[  429.296544]  ? do_raw_spin_unlock+0xa7/0x330
[  429.300965]  fallback_alloc+0x204/0x2e0
[  429.304950]  ____cache_alloc_node+0x1c7/0x1e0
[  429.309454]  kmem_cache_alloc_node+0xe3/0x730
[  429.313952]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.318549]  __alloc_skb+0x119/0x770
[  429.322262]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  429.327629]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.332066]  ? vprintk_default+0x28/0x30
[  429.336145]  ? vprintk_func+0x85/0x181
[  429.340036]  ? printk+0xa7/0xcf
[  429.343315]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  429.348081]  new_skb+0x26/0x1c0
[  429.351367]  aoecmd_cfg+0x279/0x7f0
[  429.355005]  ? find_held_lock+0x36/0x1c0
[  429.359069]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  429.363408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.368987]  ? __lock_is_held+0xb5/0x140
[  429.373061]  discover_timer+0x50/0x60
[  429.376863]  call_timer_fn+0x272/0x920
[  429.380753]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  429.385594]  ? process_timeout+0x40/0x40
[  429.389695]  ? __run_timers+0x7da/0xc70
[  429.393675]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.398173]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.402670]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  429.407512]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.412096]  ? trace_hardirqs_on+0xbd/0x310
[  429.416438]  ? kasan_check_read+0x11/0x20
[  429.420599]  ? __run_timers+0x7da/0xc70
[  429.424579]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.429700]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  429.434540]  __run_timers+0x7e5/0xc70
[  429.438367]  ? timer_fixup_init+0x70/0x70
[  429.442523]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.447023]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.451532]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.456133]  ? trace_hardirqs_on+0xbd/0x310
[  429.460455]  ? kasan_check_read+0x11/0x20
[  429.464606]  ? finish_task_switch+0x1f4/0x910
[  429.469106]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.474211]  ? compat_start_thread+0x80/0x80
[  429.478642]  ? pvclock_read_flags+0x160/0x160
[  429.483134]  ? __switch_to_asm+0x34/0x70
[  429.487195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.492735]  ? check_preemption_disabled+0x48/0x280
[  429.497763]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  429.503305]  ? rcu_pm_notify+0xc0/0xc0
[  429.507198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.512738]  ? check_preemption_disabled+0x48/0x280
[  429.517758]  run_timer_softirq+0x52/0xb0
[  429.521818]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.526839]  __do_softirq+0x308/0xb7e
[  429.530660]  ? retint_kernel+0x2d/0x2d
[  429.534556]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.539659]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.545113]  ? retint_kernel+0x2d/0x2d
[  429.549020]  ? schedule+0x108/0x460
[  429.552679]  ? trace_hardirqs_off+0xb8/0x310
[  429.557092]  ? smpboot_thread_fn+0x68b/0xa00
[  429.561502]  ? trace_hardirqs_on+0x310/0x310
[  429.565912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.571459]  ? check_preemption_disabled+0x48/0x280
[  429.576494]  ? takeover_tasklets+0xa90/0xa90
[  429.580921]  run_ksoftirqd+0x5e/0x100
[  429.584721]  smpboot_thread_fn+0x68b/0xa00
[  429.588963]  ? sort_range+0x30/0x30
[  429.592590]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.597695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.603234]  ? __kthread_parkme+0xfb/0x1a0
[  429.607474]  ? sort_range+0x30/0x30
[  429.611103]  kthread+0x35a/0x440
[  429.614473]  ? kthread_stop+0x900/0x900
[  429.618453]  ret_from_fork+0x3a/0x50
[  429.622181] warn_alloc_show_mem: 1 callbacks suppressed
[  429.622193] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  429.622195] Mem-Info:
[  429.622228] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  429.622228]  active_file:133 inactive_file:117 isolated_file:0
[  429.622228]  unevictable:0 dirty:3 writeback:0 unstable:0
[  429.622228]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  429.622228]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  429.622228]  free:13727 free_pcp:164 free_cma:0
[  429.627562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.634931] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  429.637323] Call Trace:
[  429.670534] 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
[  429.679877]  <IRQ>
[  429.707618] lowmem_reserve[]: 0 2818 6321 6321
[  429.710199]  dump_stack+0x244/0x39d
[  429.736280] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  429.738435]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.742990] lowmem_reserve[]: 0 0 3503 3503
[  429.746611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.774173] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  429.779359]  warn_alloc.cold.116+0xb7/0x1bd
[  429.783651] lowmem_reserve[]: 0 0 0 0
[  429.789195]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.818413] 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
[  429.822735]  ? lock_downgrade+0x900/0x900
[  429.826509] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  429.831350]  ? trace_hardirqs_off+0xb8/0x310
[  429.844859] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  429.849048]  ? trace_hardirqs_off+0xb8/0x310
[  429.864371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.868797]  __alloc_pages_slowpath+0x2651/0x2de0
[  429.882300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.886715]  ? warn_alloc+0x120/0x120
[  429.895507] 2220 total pagecache pages
[  429.900341]  ? print_usage_bug+0xc0/0xc0
[  429.908896] 0 pages in swap cache
[  429.912693]  ? warn_alloc+0x120/0x120
[  429.916557] Swap cache stats: add 0, delete 0, find 0/0
[  429.920606]  ? warn_alloc+0x120/0x120
[  429.924034] Free swap  = 0kB
[  429.927828]  ? print_usage_bug+0xc0/0xc0
[  429.933169] Total swap = 0kB
[  429.936964]  ? kvm_clock_read+0x18/0x30
[  429.939955] 1965979 pages RAM
[  429.944022]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.947014] 0 pages HighMem/MovableOnly
[  429.950983]  ? print_usage_bug+0xc0/0xc0
[  429.954063] 342854 pages reserved
[  429.959073]  ? __lock_acquire+0x62f/0x4c20
[  429.963021] 0 pages cma reserved
[  429.967073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.970582] aoe: skb alloc failure
[  429.974727]  ? should_fail+0x22d/0xd01
[  429.978096] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.983602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.987116] ksoftirqd/1 cpuset=/ mems_allowed=0
[  429.990998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.016318]  ? __lock_acquire+0x62f/0x4c20
[  430.020558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.025692]  ? __lock_acquire+0x62f/0x4c20
[  430.029924]  ? should_fail+0x22d/0xd01
[  430.033822]  ? rcu_irq_exit+0x1a2/0x390
[  430.037808]  ? mark_held_locks+0x130/0x130
[  430.042046]  ? mark_held_locks+0x130/0x130
[  430.046290]  ? mark_held_locks+0xc7/0x130
[  430.050456]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  430.055484]  ? zap_class+0x640/0x640
[  430.059196]  ? print_usage_bug+0xc0/0xc0
[  430.063265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.068830]  ? check_preemption_disabled+0x48/0x280
[  430.073873]  ? __lock_is_held+0xb5/0x140
[  430.077972]  __alloc_pages_nodemask+0xad8/0xea0
[  430.082644]  ? zap_class+0x640/0x640
[  430.086404]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.091459]  ? find_held_lock+0x36/0x1c0
[  430.095536]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.100223]  ? lock_downgrade+0x900/0x900
[  430.104376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.109930]  cache_grow_begin+0xa5/0x8c0
[  430.113995]  ? do_raw_spin_unlock+0xa7/0x330
[  430.118427]  fallback_alloc+0x204/0x2e0
[  430.122436]  ____cache_alloc_node+0x1c7/0x1e0
[  430.126967]  kmem_cache_alloc_node+0xe3/0x730
[  430.131462]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.135712]  __alloc_skb+0x119/0x770
[  430.139432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.144713]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.149123]  ? lock_downgrade+0x900/0x900
[  430.153281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.158836]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.164287]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.169739]  ? addrconf_rs_timer+0x690/0x690
[  430.174160]  ndisc_alloc_skb+0x144/0x340
[  430.178228]  ndisc_send_rs+0x331/0x6e0
[  430.182139]  addrconf_rs_timer+0x314/0x690
[  430.186379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.190640]  call_timer_fn+0x272/0x920
[  430.194655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.198896]  ? process_timeout+0x40/0x40
[  430.202965]  ? __run_timers+0x7da/0xc70
[  430.206943]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.211440]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.215952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.220186]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.224782]  ? trace_hardirqs_on+0xbd/0x310
[  430.229102]  ? kasan_check_read+0x11/0x20
[  430.233246]  ? __run_timers+0x7da/0xc70
[  430.237221]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.242330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.246588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.250820]  __run_timers+0x7e5/0xc70
[  430.254635]  ? timer_fixup_init+0x70/0x70
[  430.258788]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.263809]  ? zap_class+0x640/0x640
[  430.267528]  ? enqueue_hrtimer+0x1a5/0x560
[  430.271766]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.276965]  ? find_held_lock+0x36/0x1c0
[  430.281035]  ? zap_class+0x640/0x640
[  430.284756]  ? pvclock_read_flags+0x160/0x160
[  430.289259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.294797]  ? check_preemption_disabled+0x48/0x280
[  430.299826]  ? __lock_is_held+0xb5/0x140
[  430.303889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.309454]  ? check_preemption_disabled+0x48/0x280
[  430.314479]  run_timer_softirq+0x52/0xb0
[  430.318542]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.323558]  __do_softirq+0x308/0xb7e
[  430.327366]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.331879]  ? lock_downgrade+0x900/0x900
[  430.336030]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.341152]  ? pvclock_read_flags+0x160/0x160
[  430.345655]  ? lapic_next_event+0x5a/0x90
[  430.349809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.355356]  ? kvm_clock_read+0x18/0x30
[  430.359331]  ? kvm_sched_clock_read+0x9/0x20
[  430.363743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.369281]  ? check_preemption_disabled+0x48/0x280
[  430.374306]  irq_exit+0x17f/0x1c0
[  430.377765]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.382606]  ? smp_reschedule_interrupt+0x109/0x650
[  430.387623]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.393507]  ? interrupt_entry+0xb5/0xc0
[  430.397590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.402605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.407627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.412486]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.417500]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.422526]  ? task_prio+0x50/0x50
[  430.426087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.431624]  ? check_preemption_disabled+0x48/0x280
[  430.436646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.441503]  apic_timer_interrupt+0xf/0x20
[  430.445731]  </IRQ>
[  430.447969] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.452902] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  430.471803] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  430.479510] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.486777] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  430.494043] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  430.501310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.508580] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  430.515916]  skb_clone+0x1bb/0x500
[  430.519459]  ? skb_split+0x11e0/0x11e0
[  430.523354]  ? preempt_notifier_register+0x200/0x200
[  430.528472]  ? __switch_to_asm+0x34/0x70
[  430.532551]  ? __switch_to_asm+0x34/0x70
[  430.536613]  ? __switch_to_asm+0x40/0x70
[  430.540674]  ? __switch_to_asm+0x34/0x70
[  430.544736]  ? __switch_to_asm+0x40/0x70
[  430.548800]  ? __switch_to_asm+0x40/0x70
[  430.552873]  ? __switch_to_asm+0x34/0x70
[  430.556948]  ? __switch_to_asm+0x34/0x70
[  430.561008]  ? __switch_to_asm+0x40/0x70
[  430.565079]  ? __switch_to_asm+0x34/0x70
[  430.569165]  bpf_clone_redirect+0xb9/0x490
[  430.573426]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  430.578450]  ? __sched_text_start+0x8/0x8
[  430.582599]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.587387]  ? find_held_lock+0x36/0x1c0
[  430.591486]  ? lock_acquire+0x1ed/0x520
[  430.595464]  ? bpf_test_run+0x3ee/0x7a0
[  430.599490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.605032]  ? check_preemption_disabled+0x48/0x280
[  430.610058]  ? kasan_check_read+0x11/0x20
[  430.614205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.619483]  ? rcu_softirq_qs+0x20/0x20
[  430.623463]  ? preempt_schedule+0x4d/0x60
[  430.627611]  ? ___preempt_schedule+0x16/0x18
[  430.632030]  ? bpf_test_run+0x271/0x7a0
[  430.636017]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.640437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.645976]  ? bpf_test_init.isra.10+0x70/0x100
[  430.650652]  ? bpf_prog_test_run_skb+0x762/0xd60
[  430.655432]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.660285]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.665837]  ? fput+0x130/0x1a0
[  430.669123]  ? __bpf_prog_get+0x9b/0x290
[  430.673206]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.678051]  ? bpf_prog_test_run+0x130/0x1a0
[  430.682465]  ? __x64_sys_bpf+0x3d8/0x520
[  430.686528]  ? bpf_prog_get+0x20/0x20
[  430.690351]  ? do_syscall_64+0x1b9/0x820
[  430.694422]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.699795]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.704726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.709573]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.714592]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.719617]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.724643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.729494]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.734876] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  430.734946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.741809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.741814] Call Trace:
[  430.741832]  dump_stack+0x244/0x39d
[  430.741856]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.748380] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.757674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.760233] syz-executor2 cpuset=syz2 mems_allowed=0
[  430.763855]  warn_alloc.cold.116+0xb7/0x1bd
[  430.794409]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.799260]  ? lock_downgrade+0x900/0x900
[  430.803426]  ? trace_hardirqs_off+0xb8/0x310
[  430.807845]  ? trace_hardirqs_off+0xb8/0x310
[  430.812267]  __alloc_pages_slowpath+0x2651/0x2de0
[  430.817139]  ? warn_alloc+0x120/0x120
[  430.820949]  ? warn_alloc+0x120/0x120
[  430.824768]  ? warn_alloc+0x120/0x120
[  430.828566]  ? print_usage_bug+0xc0/0xc0
[  430.832636]  ? print_usage_bug+0xc0/0xc0
[  430.836697]  ? mark_held_locks+0x130/0x130
[  430.840940]  ? mark_held_locks+0x130/0x130
[  430.845181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.850723]  ? should_fail+0x22d/0xd01
[  430.854608]  ? zap_class+0x640/0x640
[  430.858327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.863434]  ? __lock_acquire+0x62f/0x4c20
[  430.867679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.872780]  ? __lock_acquire+0x62f/0x4c20
[  430.877017]  ? should_fail+0x22d/0xd01
[  430.880921]  ? mark_held_locks+0x130/0x130
[  430.885179]  ? mark_held_locks+0x130/0x130
[  430.889440]  ? lock_downgrade+0x900/0x900
[  430.893605]  ? zap_class+0x640/0x640
[  430.897323]  ? zap_class+0x640/0x640
[  430.901040]  ? zap_class+0x640/0x640
[  430.904755]  ? do_raw_spin_unlock+0xa7/0x330
[  430.909167]  ? trace_hardirqs_on+0x310/0x310
[  430.913576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.919115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.924656]  ? check_preemption_disabled+0x48/0x280
[  430.929682]  ? __lock_is_held+0xb5/0x140
[  430.933755]  __alloc_pages_nodemask+0xad8/0xea0
[  430.938432]  ? zap_class+0x640/0x640
[  430.942155]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.947183]  ? find_held_lock+0x36/0x1c0
[  430.951276]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.955947]  ? lock_downgrade+0x900/0x900
[  430.960102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.965644]  cache_grow_begin+0xa5/0x8c0
[  430.969708]  ? do_raw_spin_unlock+0xa7/0x330
[  430.974126]  fallback_alloc+0x204/0x2e0
[  430.978111]  ____cache_alloc_node+0x1c7/0x1e0
[  430.982616]  kmem_cache_alloc_node+0xe3/0x730
[  430.987114]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.991705]  __alloc_skb+0x119/0x770
[  430.995428]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  431.000803]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.005219]  ? vprintk_default+0x28/0x30
[  431.009282]  ? vprintk_func+0x85/0x181
[  431.013173]  ? printk+0xa7/0xcf
[  431.016470]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  431.021253]  new_skb+0x26/0x1c0
[  431.024535]  aoecmd_cfg+0x279/0x7f0
[  431.028163]  ? find_held_lock+0x36/0x1c0
[  431.032232]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  431.036564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.042115]  ? __lock_is_held+0xb5/0x140
[  431.046194]  discover_timer+0x50/0x60
[  431.049994]  call_timer_fn+0x272/0x920
[  431.053886]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  431.058747]  ? process_timeout+0x40/0x40
[  431.062964]  ? __run_timers+0x7da/0xc70
[  431.066950]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.071449]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.075949]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  431.080797]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.085382]  ? trace_hardirqs_on+0xbd/0x310
[  431.089716]  ? kasan_check_read+0x11/0x20
[  431.093861]  ? __run_timers+0x7da/0xc70
[  431.097842]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.102964]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  431.107806]  __run_timers+0x7e5/0xc70
[  431.111618]  ? timer_fixup_init+0x70/0x70
[  431.115781]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.120298]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.124822]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.129416]  ? trace_hardirqs_on+0xbd/0x310
[  431.133745]  ? kasan_check_read+0x11/0x20
[  431.137900]  ? finish_task_switch+0x1f4/0x910
[  431.142409]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.147512]  ? compat_start_thread+0x80/0x80
[  431.151947]  ? pvclock_read_flags+0x160/0x160
[  431.156449]  ? __switch_to_asm+0x34/0x70
[  431.160543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.166083]  ? check_preemption_disabled+0x48/0x280
[  431.171109]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  431.176648]  ? rcu_pm_notify+0xc0/0xc0
[  431.180538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.186076]  ? check_preemption_disabled+0x48/0x280
[  431.191109]  run_timer_softirq+0x52/0xb0
[  431.195185]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.200215]  __do_softirq+0x308/0xb7e
[  431.204021]  ? retint_kernel+0x2d/0x2d
[  431.207913]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.213023]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.218474]  ? retint_kernel+0x2d/0x2d
[  431.222366]  ? schedule+0x108/0x460
[  431.226026]  ? trace_hardirqs_off+0xb8/0x310
[  431.230439]  ? smpboot_thread_fn+0x68b/0xa00
[  431.234851]  ? trace_hardirqs_on+0x310/0x310
[  431.239260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.244798]  ? check_preemption_disabled+0x48/0x280
[  431.249828]  ? takeover_tasklets+0xa90/0xa90
[  431.254237]  run_ksoftirqd+0x5e/0x100
[  431.258037]  smpboot_thread_fn+0x68b/0xa00
[  431.262281]  ? sort_range+0x30/0x30
[  431.265912]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.271022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.276564]  ? __kthread_parkme+0xfb/0x1a0
[  431.280800]  ? sort_range+0x30/0x30
[  431.284429]  kthread+0x35a/0x440
[  431.287798]  ? kthread_stop+0x900/0x900
[  431.291773]  ret_from_fork+0x3a/0x50
[  431.295517] warn_alloc_show_mem: 1 callbacks suppressed
[  431.295530] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  431.295531] Mem-Info:
[  431.295578] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  431.295578]  active_file:133 inactive_file:117 isolated_file:0
[  431.295578]  unevictable:0 dirty:3 writeback:0 unstable:0
[  431.295578]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  431.295578]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  431.295578]  free:13727 free_pcp:164 free_cma:0
[  431.300911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.300924] Call Trace:
[  431.308290] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  431.310687]  <IRQ>
[  431.343897] 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
[  431.353247]  dump_stack+0x244/0x39d
[  431.355806] lowmem_reserve[]: 0 2818 6321 6321
[  431.383562]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.385686] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  431.411793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.415404] lowmem_reserve[]: 0 0 3503 3503
[  431.419992]  warn_alloc.cold.116+0xb7/0x1bd
[  431.425156] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  431.452738]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.458249] lowmem_reserve[]: 0 0 0 0
[  431.462562]  ? lock_downgrade+0x900/0x900
[  431.466877] 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
[  431.496103]  ? trace_hardirqs_off+0xb8/0x310
[  431.500950] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  431.504749]  ? trace_hardirqs_off+0xb8/0x310
[  431.508872] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  431.522389]  __alloc_pages_slowpath+0x2651/0x2de0
[  431.526781] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  431.542135]  ? warn_alloc+0x120/0x120
[  431.546503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  431.560015]  ? print_usage_bug+0xc0/0xc0
[  431.564830] 2220 total pagecache pages
[  431.573658]  ? warn_alloc+0x120/0x120
[  431.577442] 0 pages in swap cache
[  431.586003]  ? warn_alloc+0x120/0x120
[  431.590043] Swap cache stats: add 0, delete 0, find 0/0
[  431.593933]  ? print_usage_bug+0xc0/0xc0
[  431.597708] Free swap  = 0kB
[  431.601151]  ? print_usage_bug+0xc0/0xc0
[  431.604933] Total swap = 0kB
[  431.610289]  ? __lock_acquire+0x62f/0x4c20
[  431.614323] 1965979 pages RAM
[  431.617334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.621368] 0 pages HighMem/MovableOnly
[  431.624378]  ? should_fail+0x22d/0xd01
[  431.628595] 342854 pages reserved
[  431.631696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.637207] 0 pages cma reserved
[  431.641176]  ? __lock_acquire+0x62f/0x4c20
[  431.645142] aoe: skb alloc failure
[  431.648503]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.653641] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.656945]  ? __lock_acquire+0x62f/0x4c20
[  431.661170] ksoftirqd/1 cpuset=/ mems_allowed=0
[  431.664721]  ? should_fail+0x22d/0xd01
[  431.692875]  ? find_held_lock+0x36/0x1c0
[  431.696952]  ? mark_held_locks+0x130/0x130
[  431.701193]  ? mark_held_locks+0x130/0x130
[  431.705459]  ? zap_class+0x640/0x640
[  431.709217]  ? zap_class+0x640/0x640
[  431.712929]  ? print_usage_bug+0xc0/0xc0
[  431.717015]  ? do_raw_spin_unlock+0xa7/0x330
[  431.721433]  ? zap_class+0x640/0x640
[  431.725150]  ? print_usage_bug+0xc0/0xc0
[  431.729213]  ? wq_watchdog_touch+0x9c/0xfe
[  431.733457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.739000]  ? check_preemption_disabled+0x48/0x280
[  431.744027]  ? __lock_is_held+0xb5/0x140
[  431.748092]  __alloc_pages_nodemask+0xad8/0xea0
[  431.752763]  ? zap_class+0x640/0x640
[  431.756498]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  431.761543]  ? find_held_lock+0x36/0x1c0
[  431.765617]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.770289]  ? lock_downgrade+0x900/0x900
[  431.774455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.779998]  cache_grow_begin+0xa5/0x8c0
[  431.784058]  ? do_raw_spin_unlock+0xa7/0x330
[  431.788493]  fallback_alloc+0x204/0x2e0
[  431.792485]  ____cache_alloc_node+0x1c7/0x1e0
[  431.796990]  kmem_cache_alloc_node+0xe3/0x730
[  431.801490]  ? ipv6_get_ifaddr+0x42e/0x620
[  431.805737]  __alloc_skb+0x119/0x770
[  431.809498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.814795]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.819204]  ? lock_downgrade+0x900/0x900
[  431.823401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.828946]  ? refcount_sub_and_test_checked+0x203/0x310
[  431.834412]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  431.839875]  ? addrconf_rs_timer+0x690/0x690
[  431.844298]  ndisc_alloc_skb+0x144/0x340
[  431.848365]  ndisc_send_rs+0x331/0x6e0
[  431.852265]  addrconf_rs_timer+0x314/0x690
[  431.856537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.860785]  call_timer_fn+0x272/0x920
[  431.864671]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.868903]  ? process_timeout+0x40/0x40
[  431.872989]  ? __run_timers+0x7da/0xc70
[  431.876984]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.881482]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.885976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.890225]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.894809]  ? trace_hardirqs_on+0xbd/0x310
[  431.899136]  ? kasan_check_read+0x11/0x20
[  431.903282]  ? __run_timers+0x7da/0xc70
[  431.907257]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.912374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.916614]  __run_timers+0x7e5/0xc70
[  431.920436]  ? timer_fixup_init+0x70/0x70
[  431.924589]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.929607]  ? zap_class+0x640/0x640
[  431.933328]  ? enqueue_hrtimer+0x1a5/0x560
[  431.937595]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.942811]  ? find_held_lock+0x36/0x1c0
[  431.946880]  ? zap_class+0x640/0x640
[  431.950601]  ? pvclock_read_flags+0x160/0x160
[  431.955098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.960666]  ? check_preemption_disabled+0x48/0x280
[  431.965692]  ? __lock_is_held+0xb5/0x140
[  431.969758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.975313]  ? check_preemption_disabled+0x48/0x280
[  431.980363]  run_timer_softirq+0x52/0xb0
[  431.984453]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.989492]  __do_softirq+0x308/0xb7e
[  431.993315]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.997809]  ? lock_downgrade+0x900/0x900
[  432.001965]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.007073]  ? pvclock_read_flags+0x160/0x160
[  432.011574]  ? lapic_next_event+0x5a/0x90
[  432.015729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.021298]  ? kvm_clock_read+0x18/0x30
[  432.025271]  ? kvm_sched_clock_read+0x9/0x20
[  432.029682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.035224]  ? check_preemption_disabled+0x48/0x280
[  432.040253]  irq_exit+0x17f/0x1c0
[  432.043709]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.048565]  ? smp_reschedule_interrupt+0x109/0x650
[  432.053589]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.059473]  ? interrupt_entry+0xb5/0xc0
[  432.063536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.068576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.073596]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.078449]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.083469]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.088489]  ? task_prio+0x50/0x50
[  432.092061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.097603]  ? check_preemption_disabled+0x48/0x280
[  432.102626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.107479]  apic_timer_interrupt+0xf/0x20
[  432.111719]  </IRQ>
[  432.113959] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  432.118893] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  432.137795] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  432.145502] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  432.152766] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  432.160047] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  432.167313] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  432.174596] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  432.181900]  skb_clone+0x1bb/0x500
[  432.185450]  ? skb_split+0x11e0/0x11e0
[  432.189355]  ? preempt_notifier_register+0x200/0x200
[  432.194602]  ? __switch_to_asm+0x34/0x70
[  432.198662]  ? __switch_to_asm+0x34/0x70
[  432.202724]  ? __switch_to_asm+0x40/0x70
[  432.206782]  ? __switch_to_asm+0x34/0x70
[  432.210854]  ? __switch_to_asm+0x40/0x70
[  432.214915]  ? __switch_to_asm+0x40/0x70
[  432.218990]  ? __switch_to_asm+0x34/0x70
[  432.223064]  ? __switch_to_asm+0x34/0x70
[  432.227125]  ? __switch_to_asm+0x40/0x70
[  432.231200]  ? __switch_to_asm+0x34/0x70
[  432.235264]  bpf_clone_redirect+0xb9/0x490
[  432.239508]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  432.244543]  ? __sched_text_start+0x8/0x8
[  432.248688]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.253459]  ? find_held_lock+0x36/0x1c0
[  432.257531]  ? lock_acquire+0x1ed/0x520
[  432.261510]  ? bpf_test_run+0x3ee/0x7a0
[  432.265498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.271038]  ? check_preemption_disabled+0x48/0x280
[  432.276061]  ? kasan_check_read+0x11/0x20
[  432.280239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.285519]  ? rcu_softirq_qs+0x20/0x20
[  432.289496]  ? preempt_schedule+0x4d/0x60
[  432.293645]  ? ___preempt_schedule+0x16/0x18
[  432.298069]  ? bpf_test_run+0x271/0x7a0
[  432.302056]  ? netlink_diag_dump+0x2a0/0x2a0
[  432.306468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.312004]  ? bpf_test_init.isra.10+0x70/0x100
[  432.316711]  ? bpf_prog_test_run_skb+0x762/0xd60
[  432.321473]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  432.326322]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.331864]  ? fput+0x130/0x1a0
[  432.335150]  ? __bpf_prog_get+0x9b/0x290
[  432.339229]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  432.344104]  ? bpf_prog_test_run+0x130/0x1a0
[  432.348515]  ? __x64_sys_bpf+0x3d8/0x520
[  432.352579]  ? bpf_prog_get+0x20/0x20
[  432.356428]  ? do_syscall_64+0x1b9/0x820
[  432.360486]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  432.365865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.370806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.375649]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.380671]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  432.385693]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.390715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.395567]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  432.400963] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  432.401032] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  432.407893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.407902] Call Trace:
[  432.414513] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.423743]  dump_stack+0x244/0x39d
[  432.426299] syz-executor2 cpuset=syz2 mems_allowed=0
[  432.436779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.450677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.456227]  warn_alloc.cold.116+0xb7/0x1bd
[  432.460579]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.465437]  ? lock_downgrade+0x900/0x900
[  432.469595]  ? trace_hardirqs_off+0xb8/0x310
[  432.474054]  ? trace_hardirqs_off+0xb8/0x310
[  432.478474]  __alloc_pages_slowpath+0x2651/0x2de0
[  432.483359]  ? warn_alloc+0x120/0x120
[  432.487185]  ? warn_alloc+0x120/0x120
[  432.490996]  ? warn_alloc+0x120/0x120
[  432.494800]  ? print_usage_bug+0xc0/0xc0
[  432.498870]  ? print_usage_bug+0xc0/0xc0
[  432.502948]  ? mark_held_locks+0x130/0x130
[  432.507187]  ? mark_held_locks+0x130/0x130
[  432.511435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.516990]  ? should_fail+0x22d/0xd01
[  432.520881]  ? zap_class+0x640/0x640
[  432.524605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.529709]  ? __lock_acquire+0x62f/0x4c20
[  432.533956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.539055]  ? __lock_acquire+0x62f/0x4c20
[  432.543289]  ? should_fail+0x22d/0xd01
[  432.547185]  ? mark_held_locks+0x130/0x130
[  432.551437]  ? mark_held_locks+0x130/0x130
[  432.555673]  ? lock_downgrade+0x900/0x900
[  432.559825]  ? zap_class+0x640/0x640
[  432.563543]  ? zap_class+0x640/0x640
[  432.567270]  ? do_raw_spin_unlock+0xa7/0x330
[  432.571681]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.576453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.581993]  ? check_preemption_disabled+0x48/0x280
[  432.587020]  ? __lock_is_held+0xb5/0x140
[  432.591089]  __alloc_pages_nodemask+0xad8/0xea0
[  432.595791]  ? zap_class+0x640/0x640
[  432.599514]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  432.604547]  ? find_held_lock+0x36/0x1c0
[  432.608625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.613298]  ? lock_downgrade+0x900/0x900
[  432.617457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.622999]  cache_grow_begin+0xa5/0x8c0
[  432.627063]  ? do_raw_spin_unlock+0xa7/0x330
[  432.631482]  fallback_alloc+0x204/0x2e0
[  432.635465]  ____cache_alloc_node+0x1c7/0x1e0
[  432.639968]  kmem_cache_alloc_node+0xe3/0x730
[  432.644463]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.649074]  __alloc_skb+0x119/0x770
[  432.652801]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  432.658167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.662589]  ? vprintk_default+0x28/0x30
[  432.666670]  ? vprintk_func+0x85/0x181
[  432.670575]  ? printk+0xa7/0xcf
[  432.673865]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  432.678629]  new_skb+0x26/0x1c0
[  432.681919]  aoecmd_cfg+0x279/0x7f0
[  432.685552]  ? find_held_lock+0x36/0x1c0
[  432.689628]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  432.693974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.699525]  ? __lock_is_held+0xb5/0x140
[  432.703601]  discover_timer+0x50/0x60
[  432.707412]  call_timer_fn+0x272/0x920
[  432.711301]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.716147]  ? process_timeout+0x40/0x40
[  432.720219]  ? __run_timers+0x7da/0xc70
[  432.724200]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.728697]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.733196]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.738043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.742659]  ? trace_hardirqs_on+0xbd/0x310
[  432.746983]  ? kasan_check_read+0x11/0x20
[  432.751131]  ? __run_timers+0x7da/0xc70
[  432.755113]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.760230]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.765072]  __run_timers+0x7e5/0xc70
[  432.768897]  ? timer_fixup_init+0x70/0x70
[  432.773048]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.777541]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.782053]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.786637]  ? trace_hardirqs_on+0xbd/0x310
[  432.790960]  ? kasan_check_read+0x11/0x20
[  432.795114]  ? finish_task_switch+0x1f4/0x910
[  432.799617]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.804724]  ? compat_start_thread+0x80/0x80
[  432.809156]  ? pvclock_read_flags+0x160/0x160
[  432.813652]  ? __switch_to_asm+0x34/0x70
[  432.817716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.823259]  ? check_preemption_disabled+0x48/0x280
[  432.828285]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  432.833823]  ? rcu_pm_notify+0xc0/0xc0
[  432.837716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.843254]  ? check_preemption_disabled+0x48/0x280
[  432.848278]  run_timer_softirq+0x52/0xb0
[  432.852339]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.857359]  __do_softirq+0x308/0xb7e
[  432.861170]  ? retint_kernel+0x2d/0x2d
[  432.865066]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.870169]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.875630]  ? retint_kernel+0x2d/0x2d
[  432.879554]  ? schedule+0x108/0x460
[  432.883191]  ? trace_hardirqs_off+0xb8/0x310
[  432.887603]  ? smpboot_thread_fn+0x68b/0xa00
[  432.892013]  ? trace_hardirqs_on+0x310/0x310
[  432.896442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.901984]  ? check_preemption_disabled+0x48/0x280
[  432.907001]  ? takeover_tasklets+0xa90/0xa90
[  432.911418]  run_ksoftirqd+0x5e/0x100
[  432.915218]  smpboot_thread_fn+0x68b/0xa00
[  432.919457]  ? sort_range+0x30/0x30
[  432.923090]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.928198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.933750]  ? __kthread_parkme+0xfb/0x1a0
[  432.937987]  ? sort_range+0x30/0x30
[  432.941616]  kthread+0x35a/0x440
[  432.944985]  ? kthread_stop+0x900/0x900
[  432.948964]  ret_from_fork+0x3a/0x50
[  432.952697] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  432.952703] warn_alloc_show_mem: 1 callbacks suppressed
[  432.952710] Mem-Info:
[  432.960066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.965462] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  432.965462]  active_file:133 inactive_file:117 isolated_file:0
[  432.965462]  unevictable:0 dirty:3 writeback:0 unstable:0
[  432.965462]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  432.965462]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  432.965462]  free:13727 free_pcp:164 free_cma:0
[  432.967834] Call Trace:
[  432.977226] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  433.010422]  <IRQ>
[  433.012989] 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
[  433.040747]  dump_stack+0x244/0x39d
[  433.042871] lowmem_reserve[]: 0 2818 6321 6321
[  433.069425]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.073024] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  433.077632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.082798] lowmem_reserve[]: 0 0 3503 3503
[  433.110380]  warn_alloc.cold.116+0xb7/0x1bd
[  433.115890] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  433.120210]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.124503] lowmem_reserve[]: 0 0 0 0
[  433.153733]  ? lock_downgrade+0x900/0x900
[  433.158553] 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
[  433.162350]  ? trace_hardirqs_off+0xb8/0x310
[  433.166469] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  433.179990]  ? trace_hardirqs_off+0xb8/0x310
[  433.184371] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  433.199724]  __alloc_pages_slowpath+0x2651/0x2de0
[  433.204112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  433.217647]  ? warn_alloc+0x120/0x120
[  433.222453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  433.231278]  ? print_usage_bug+0xc0/0xc0
[  433.235057] 2220 total pagecache pages
[  433.243628]  ? warn_alloc+0x120/0x120
[  433.247672] 0 pages in swap cache
[  433.251546]  ? warn_alloc+0x120/0x120
[  433.255326] Swap cache stats: add 0, delete 0, find 0/0
[  433.258767]  ? print_usage_bug+0xc0/0xc0
[  433.262541] Free swap  = 0kB
[  433.267896]  ? kvm_clock_read+0x18/0x30
[  433.271937] Total swap = 0kB
[  433.274955]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.278922] 1965979 pages RAM
[  433.281933]  ? print_usage_bug+0xc0/0xc0
[  433.281949]  ? __lock_acquire+0x62f/0x4c20
[  433.286947] 0 pages HighMem/MovableOnly
[  433.290051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.294086] 342854 pages reserved
[  433.298317]  ? should_fail+0x22d/0xd01
[  433.302266] 0 pages cma reserved
[  433.307794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.311289] aoe: skb alloc failure
[  433.315100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.318469] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.323709]  ? __lock_acquire+0x62f/0x4c20
[  433.327225] ksoftirqd/1 cpuset=/ mems_allowed=0
[  433.332321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.356594]  ? __lock_acquire+0x62f/0x4c20
[  433.360831]  ? should_fail+0x22d/0xd01
[  433.364721]  ? rcu_irq_exit+0x1a2/0x390
[  433.368710]  ? mark_held_locks+0x130/0x130
[  433.372955]  ? mark_held_locks+0x130/0x130
[  433.377199]  ? mark_held_locks+0xc7/0x130
[  433.381349]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  433.386367]  ? zap_class+0x640/0x640
[  433.390095]  ? print_usage_bug+0xc0/0xc0
[  433.394162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.399705]  ? check_preemption_disabled+0x48/0x280
[  433.404731]  ? __lock_is_held+0xb5/0x140
[  433.408804]  __alloc_pages_nodemask+0xad8/0xea0
[  433.413478]  ? zap_class+0x640/0x640
[  433.417200]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  433.422228]  ? find_held_lock+0x36/0x1c0
[  433.426305]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.430972]  ? lock_downgrade+0x900/0x900
[  433.435138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.440696]  cache_grow_begin+0xa5/0x8c0
[  433.444757]  ? do_raw_spin_unlock+0xa7/0x330
[  433.449177]  fallback_alloc+0x204/0x2e0
[  433.453162]  ____cache_alloc_node+0x1c7/0x1e0
[  433.457665]  kmem_cache_alloc_node+0xe3/0x730
[  433.462166]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.466439]  __alloc_skb+0x119/0x770
[  433.470150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.475437]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.479846]  ? lock_downgrade+0x900/0x900
[  433.484002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.489542]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.494998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.500453]  ? addrconf_rs_timer+0x690/0x690
[  433.504879]  ndisc_alloc_skb+0x144/0x340
[  433.508944]  ndisc_send_rs+0x331/0x6e0
[  433.512867]  addrconf_rs_timer+0x314/0x690
[  433.517107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.521358]  call_timer_fn+0x272/0x920
[  433.525250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.529485]  ? process_timeout+0x40/0x40
[  433.533563]  ? __run_timers+0x7da/0xc70
[  433.537543]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.542038]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.546534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.550769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.555358]  ? trace_hardirqs_on+0xbd/0x310
[  433.559690]  ? kasan_check_read+0x11/0x20
[  433.563835]  ? __run_timers+0x7da/0xc70
[  433.567814]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.572932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.577165]  __run_timers+0x7e5/0xc70
[  433.580975]  ? timer_fixup_init+0x70/0x70
[  433.585128]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.590144]  ? zap_class+0x640/0x640
[  433.593864]  ? enqueue_hrtimer+0x1a5/0x560
[  433.598105]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.603301]  ? find_held_lock+0x36/0x1c0
[  433.607371]  ? zap_class+0x640/0x640
[  433.611097]  ? pvclock_read_flags+0x160/0x160
[  433.615599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.621143]  ? check_preemption_disabled+0x48/0x280
[  433.626169]  ? __lock_is_held+0xb5/0x140
[  433.630237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.635774]  ? check_preemption_disabled+0x48/0x280
[  433.640796]  run_timer_softirq+0x52/0xb0
[  433.644858]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.649892]  __do_softirq+0x308/0xb7e
[  433.653700]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.658198]  ? lock_downgrade+0x900/0x900
[  433.662365]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.667479]  ? pvclock_read_flags+0x160/0x160
[  433.671977]  ? lapic_next_event+0x5a/0x90
[  433.676133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.681674]  ? kvm_clock_read+0x18/0x30
[  433.685649]  ? kvm_sched_clock_read+0x9/0x20
[  433.690064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.695609]  ? check_preemption_disabled+0x48/0x280
[  433.700639]  irq_exit+0x17f/0x1c0
[  433.704094]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.708937]  ? smp_reschedule_interrupt+0x109/0x650
[  433.713982]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.719880]  ? interrupt_entry+0xb5/0xc0
[  433.723948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.728962]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.733996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.738841]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.743857]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.748886]  ? task_prio+0x50/0x50
[  433.752435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.757990]  ? check_preemption_disabled+0x48/0x280
[  433.763017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.767864]  apic_timer_interrupt+0xf/0x20
[  433.772089]  </IRQ>
[  433.774327] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  433.779256] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  433.798154] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  433.805860] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.813141] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  433.820414] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  433.827687] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  433.834983] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  433.842288]  skb_clone+0x1bb/0x500
[  433.845834]  ? skb_split+0x11e0/0x11e0
[  433.849724]  ? preempt_notifier_register+0x200/0x200
[  433.854823]  ? __switch_to_asm+0x34/0x70
[  433.858881]  ? __switch_to_asm+0x34/0x70
[  433.862943]  ? __switch_to_asm+0x40/0x70
[  433.867013]  ? __switch_to_asm+0x34/0x70
[  433.871069]  ? __switch_to_asm+0x40/0x70
[  433.875126]  ? __switch_to_asm+0x40/0x70
[  433.879188]  ? __switch_to_asm+0x34/0x70
[  433.883269]  ? __switch_to_asm+0x34/0x70
[  433.887346]  ? __switch_to_asm+0x40/0x70
[  433.891409]  ? __switch_to_asm+0x34/0x70
[  433.895479]  bpf_clone_redirect+0xb9/0x490
[  433.899720]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  433.904738]  ? __sched_text_start+0x8/0x8
[  433.908899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  433.913666]  ? find_held_lock+0x36/0x1c0
[  433.917767]  ? lock_acquire+0x1ed/0x520
[  433.921742]  ? bpf_test_run+0x3ee/0x7a0
[  433.925719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.931271]  ? check_preemption_disabled+0x48/0x280
[  433.936296]  ? kasan_check_read+0x11/0x20
[  433.940447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.945758]  ? rcu_softirq_qs+0x20/0x20
[  433.949733]  ? preempt_schedule+0x4d/0x60
[  433.953884]  ? ___preempt_schedule+0x16/0x18
[  433.958302]  ? bpf_test_run+0x271/0x7a0
[  433.962291]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.966706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.972243]  ? bpf_test_init.isra.10+0x70/0x100
[  433.976931]  ? bpf_prog_test_run_skb+0x762/0xd60
[  433.981716]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.986565]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.992102]  ? fput+0x130/0x1a0
[  433.995389]  ? __bpf_prog_get+0x9b/0x290
[  433.999472]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  434.004348]  ? bpf_prog_test_run+0x130/0x1a0
[  434.008762]  ? __x64_sys_bpf+0x3d8/0x520
[  434.012825]  ? bpf_prog_get+0x20/0x20
[  434.016650]  ? do_syscall_64+0x1b9/0x820
[  434.020710]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  434.026076]  ? syscall_return_slowpath+0x5e0/0x5e0
[  434.031017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.035863]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.040880]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  434.045918]  ? prepare_exit_to_usermode+0x291/0x3b0
[  434.050944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.055813]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  434.061199] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  434.061270] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  434.068131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.068139] Call Trace:
[  434.074720] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.083969]  dump_stack+0x244/0x39d
[  434.086533] syz-executor2 cpuset=syz2 mems_allowed=0
[  434.097027]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.110897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.116453]  warn_alloc.cold.116+0xb7/0x1bd
[  434.120778]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.125623]  ? lock_downgrade+0x900/0x900
[  434.129778]  ? trace_hardirqs_off+0xb8/0x310
[  434.134193]  ? trace_hardirqs_off+0xb8/0x310
[  434.138614]  __alloc_pages_slowpath+0x2651/0x2de0
[  434.143486]  ? warn_alloc+0x120/0x120
[  434.147295]  ? warn_alloc+0x120/0x120
[  434.151098]  ? warn_alloc+0x120/0x120
[  434.154902]  ? print_usage_bug+0xc0/0xc0
[  434.158972]  ? print_usage_bug+0xc0/0xc0
[  434.163033]  ? mark_held_locks+0x130/0x130
[  434.167267]  ? mark_held_locks+0x130/0x130
[  434.171511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.177050]  ? should_fail+0x22d/0xd01
[  434.180945]  ? zap_class+0x640/0x640
[  434.184678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.189784]  ? __lock_acquire+0x62f/0x4c20
[  434.194507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.199609]  ? __lock_acquire+0x62f/0x4c20
[  434.203848]  ? should_fail+0x22d/0xd01
[  434.207765]  ? mark_held_locks+0x130/0x130
[  434.212004]  ? mark_held_locks+0x130/0x130
[  434.216238]  ? lock_downgrade+0x900/0x900
[  434.220388]  ? zap_class+0x640/0x640
[  434.224118]  ? zap_class+0x640/0x640
[  434.227835]  ? zap_class+0x640/0x640
[  434.231547]  ? do_raw_spin_unlock+0xa7/0x330
[  434.235978]  ? trace_hardirqs_on+0x310/0x310
[  434.240413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.245955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.251495]  ? check_preemption_disabled+0x48/0x280
[  434.256523]  ? __lock_is_held+0xb5/0x140
[  434.260600]  __alloc_pages_nodemask+0xad8/0xea0
[  434.265272]  ? zap_class+0x640/0x640
[  434.268997]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  434.274037]  ? find_held_lock+0x36/0x1c0
[  434.278107]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.282777]  ? lock_downgrade+0x900/0x900
[  434.286952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.292558]  cache_grow_begin+0xa5/0x8c0
[  434.296634]  ? do_raw_spin_unlock+0xa7/0x330
[  434.301073]  fallback_alloc+0x204/0x2e0
[  434.305056]  ____cache_alloc_node+0x1c7/0x1e0
[  434.309578]  kmem_cache_alloc_node+0xe3/0x730
[  434.314074]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.318665]  __alloc_skb+0x119/0x770
[  434.322378]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  434.327770]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.332215]  ? vprintk_default+0x28/0x30
[  434.336285]  ? vprintk_func+0x85/0x181
[  434.340176]  ? printk+0xa7/0xcf
[  434.343459]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  434.348222]  new_skb+0x26/0x1c0
[  434.351517]  aoecmd_cfg+0x279/0x7f0
[  434.355150]  ? find_held_lock+0x36/0x1c0
[  434.359220]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  434.363549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.369100]  ? __lock_is_held+0xb5/0x140
[  434.373190]  discover_timer+0x50/0x60
[  434.376987]  call_timer_fn+0x272/0x920
[  434.380874]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  434.385752]  ? process_timeout+0x40/0x40
[  434.389837]  ? __run_timers+0x7da/0xc70
[  434.393811]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.398306]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.402800]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  434.407641]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.412223]  ? trace_hardirqs_on+0xbd/0x310
[  434.416544]  ? kasan_check_read+0x11/0x20
[  434.420689]  ? __run_timers+0x7da/0xc70
[  434.424664]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.429799]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  434.434637]  __run_timers+0x7e5/0xc70
[  434.438451]  ? timer_fixup_init+0x70/0x70
[  434.442601]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.447098]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.451598]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.456200]  ? trace_hardirqs_on+0xbd/0x310
[  434.460524]  ? kasan_check_read+0x11/0x20
[  434.464676]  ? finish_task_switch+0x1f4/0x910
[  434.469174]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.474282]  ? compat_start_thread+0x80/0x80
[  434.478713]  ? pvclock_read_flags+0x160/0x160
[  434.483219]  ? __switch_to_asm+0x34/0x70
[  434.487279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.492817]  ? check_preemption_disabled+0x48/0x280
[  434.497861]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  434.503410]  ? rcu_pm_notify+0xc0/0xc0
[  434.507303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.512842]  ? check_preemption_disabled+0x48/0x280
[  434.517867]  run_timer_softirq+0x52/0xb0
[  434.521938]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.526960]  __do_softirq+0x308/0xb7e
[  434.530766]  ? retint_kernel+0x2d/0x2d
[  434.534662]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.539766]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.545219]  ? retint_kernel+0x2d/0x2d
[  434.549109]  ? schedule+0x108/0x460
[  434.552745]  ? trace_hardirqs_off+0xb8/0x310
[  434.557156]  ? smpboot_thread_fn+0x68b/0xa00
[  434.561565]  ? trace_hardirqs_on+0x310/0x310
[  434.566002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.571539]  ? check_preemption_disabled+0x48/0x280
[  434.576557]  ? takeover_tasklets+0xa90/0xa90
[  434.580970]  run_ksoftirqd+0x5e/0x100
[  434.584773]  smpboot_thread_fn+0x68b/0xa00
[  434.589011]  ? sort_range+0x30/0x30
[  434.592652]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.597759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.603295]  ? __kthread_parkme+0xfb/0x1a0
[  434.607544]  ? sort_range+0x30/0x30
[  434.611174]  kthread+0x35a/0x440
[  434.614545]  ? kthread_stop+0x900/0x900
[  434.618522]  ret_from_fork+0x3a/0x50
[  434.622253] warn_alloc_show_mem: 1 callbacks suppressed
[  434.622266] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  434.622268] Mem-Info:
[  434.622301] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  434.622301]  active_file:133 inactive_file:117 isolated_file:0
[  434.622301]  unevictable:0 dirty:3 writeback:0 unstable:0
[  434.622301]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  434.622301]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  434.622301]  free:13727 free_pcp:164 free_cma:0
[  434.627635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.635005] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  434.637450] Call Trace:
[  434.670680] 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
[  434.680022]  <IRQ>
[  434.707760] lowmem_reserve[]: 0 2818 6321 6321
[  434.710344]  dump_stack+0x244/0x39d
[  434.736431] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  434.738576]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.743129] lowmem_reserve[]: 0 0 3503 3503
[  434.746750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.774310] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  434.779515]  warn_alloc.cold.116+0xb7/0x1bd
[  434.783807] lowmem_reserve[]: 0 0 0 0
[  434.789337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.818545] 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
[  434.822885]  ? lock_downgrade+0x900/0x900
[  434.826661] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  434.831498]  ? trace_hardirqs_off+0xb8/0x310
[  434.844989] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  434.849131]  ? trace_hardirqs_off+0xb8/0x310
[  434.864455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.868849]  __alloc_pages_slowpath+0x2651/0x2de0
[  434.882347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.886760]  ? warn_alloc+0x120/0x120
[  434.895553] 2220 total pagecache pages
[  434.900402]  ? print_usage_bug+0xc0/0xc0
[  434.908958] 0 pages in swap cache
[  434.912748]  ? warn_alloc+0x120/0x120
[  434.916612] Swap cache stats: add 0, delete 0, find 0/0
[  434.920661]  ? warn_alloc+0x120/0x120
[  434.924086] Free swap  = 0kB
[  434.927895]  ? print_usage_bug+0xc0/0xc0
[  434.933230] Total swap = 0kB
[  434.937021]  ? kvm_clock_read+0x18/0x30
[  434.940026] 1965979 pages RAM
[  434.944079]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.947071] 0 pages HighMem/MovableOnly
[  434.951041]  ? print_usage_bug+0xc0/0xc0
[  434.954136] 342854 pages reserved
[  434.959146]  ? __lock_acquire+0x62f/0x4c20
[  434.963103] 0 pages cma reserved
[  434.967156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.970647] aoe: skb alloc failure
[  434.974826]  ? should_fail+0x22d/0xd01
[  434.978198] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.983698]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.987212] ksoftirqd/1 cpuset=/ mems_allowed=0
[  434.991089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.016412]  ? __lock_acquire+0x62f/0x4c20
[  435.020675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.025781]  ? __lock_acquire+0x62f/0x4c20
[  435.030015]  ? should_fail+0x22d/0xd01
[  435.033902]  ? rcu_irq_exit+0x1a2/0x390
[  435.037894]  ? mark_held_locks+0x130/0x130
[  435.042136]  ? mark_held_locks+0x130/0x130
[  435.046373]  ? try_to_wake_up+0x11c/0x1490
[  435.050654]  ? lock_downgrade+0x900/0x900
[  435.054809]  ? zap_class+0x640/0x640
[  435.058538]  ? print_usage_bug+0xc0/0xc0
[  435.063070]  ? trace_hardirqs_off+0xb8/0x310
[  435.067493]  ? kasan_check_read+0x11/0x20
[  435.071648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.077192]  ? check_preemption_disabled+0x48/0x280
[  435.082221]  ? __lock_is_held+0xb5/0x140
[  435.086289]  __alloc_pages_nodemask+0xad8/0xea0
[  435.090960]  ? zap_class+0x640/0x640
[  435.094696]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.099726]  ? find_held_lock+0x36/0x1c0
[  435.103830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.108501]  ? lock_downgrade+0x900/0x900
[  435.112660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.118205]  cache_grow_begin+0xa5/0x8c0
[  435.122264]  ? do_raw_spin_unlock+0xa7/0x330
[  435.126681]  fallback_alloc+0x204/0x2e0
[  435.130663]  ____cache_alloc_node+0x1c7/0x1e0
[  435.135166]  kmem_cache_alloc_node+0xe3/0x730
[  435.139662]  ? ipv6_get_ifaddr+0x42e/0x620
[  435.143907]  __alloc_skb+0x119/0x770
[  435.147638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.152918]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.157326]  ? lock_downgrade+0x900/0x900
[  435.161481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.167022]  ? refcount_sub_and_test_checked+0x203/0x310
[  435.172482]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  435.177933]  ? addrconf_rs_timer+0x690/0x690
[  435.182355]  ndisc_alloc_skb+0x144/0x340
[  435.186435]  ndisc_send_rs+0x331/0x6e0
[  435.190330]  addrconf_rs_timer+0x314/0x690
[  435.194570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.198815]  call_timer_fn+0x272/0x920
[  435.202739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.206973]  ? process_timeout+0x40/0x40
[  435.211041]  ? __run_timers+0x7da/0xc70
[  435.215018]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.219518]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.224014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.228247]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.232828]  ? trace_hardirqs_on+0xbd/0x310
[  435.237152]  ? kasan_check_read+0x11/0x20
[  435.241328]  ? __run_timers+0x7da/0xc70
[  435.245305]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.250426]  ? __queue_work+0x1440/0x1440
[  435.254593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.258831]  __run_timers+0x7e5/0xc70
[  435.262658]  ? timer_fixup_init+0x70/0x70
[  435.266807]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.271827]  ? zap_class+0x640/0x640
[  435.275546]  ? enqueue_hrtimer+0x1a5/0x560
[  435.279782]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  435.285009]  ? find_held_lock+0x36/0x1c0
[  435.289101]  ? zap_class+0x640/0x640
[  435.292820]  ? pvclock_read_flags+0x160/0x160
[  435.297332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.302868]  ? check_preemption_disabled+0x48/0x280
[  435.307899]  ? __lock_is_held+0xb5/0x140
[  435.311964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.317505]  ? check_preemption_disabled+0x48/0x280
[  435.322526]  run_timer_softirq+0x52/0xb0
[  435.326604]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.331621]  __do_softirq+0x308/0xb7e
[  435.335443]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.339939]  ? lock_downgrade+0x900/0x900
[  435.344106]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.349246]  ? pvclock_read_flags+0x160/0x160
[  435.353743]  ? lapic_next_event+0x5a/0x90
[  435.357908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.363461]  ? kvm_clock_read+0x18/0x30
[  435.367444]  ? kvm_sched_clock_read+0x9/0x20
[  435.371856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.377402]  ? check_preemption_disabled+0x48/0x280
[  435.382447]  irq_exit+0x17f/0x1c0
[  435.385902]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.390743]  ? smp_reschedule_interrupt+0x109/0x650
[  435.395759]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.401643]  ? interrupt_entry+0xb5/0xc0
[  435.405705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.410722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.415757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.420601]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.425617]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.430635]  ? task_prio+0x50/0x50
[  435.434177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.439714]  ? check_preemption_disabled+0x48/0x280
[  435.444770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.449649]  apic_timer_interrupt+0xf/0x20
[  435.453891]  </IRQ>
[  435.456133] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  435.461064] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  435.479961] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  435.487665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  435.494929] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  435.502195] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  435.509464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  435.516748] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  435.524057]  skb_clone+0x1bb/0x500
[  435.527600]  ? skb_split+0x11e0/0x11e0
[  435.531490]  ? preempt_notifier_register+0x200/0x200
[  435.536590]  ? __switch_to_asm+0x34/0x70
[  435.540649]  ? __switch_to_asm+0x34/0x70
[  435.544722]  ? __switch_to_asm+0x40/0x70
[  435.548781]  ? __switch_to_asm+0x34/0x70
[  435.552839]  ? __switch_to_asm+0x40/0x70
[  435.556925]  ? __switch_to_asm+0x40/0x70
[  435.560983]  ? __switch_to_asm+0x34/0x70
[  435.565042]  ? __switch_to_asm+0x34/0x70
[  435.569114]  ? __switch_to_asm+0x40/0x70
[  435.573168]  ? __switch_to_asm+0x34/0x70
[  435.577233]  bpf_clone_redirect+0xb9/0x490
[  435.581476]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  435.586496]  ? __sched_text_start+0x8/0x8
[  435.590687]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.595458]  ? find_held_lock+0x36/0x1c0
[  435.599554]  ? lock_acquire+0x1ed/0x520
[  435.603532]  ? bpf_test_run+0x3ee/0x7a0
[  435.607507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.613046]  ? check_preemption_disabled+0x48/0x280
[  435.618071]  ? kasan_check_read+0x11/0x20
[  435.622218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.627503]  ? rcu_softirq_qs+0x20/0x20
[  435.631512]  ? preempt_schedule+0x4d/0x60
[  435.635660]  ? ___preempt_schedule+0x16/0x18
[  435.640072]  ? bpf_test_run+0x271/0x7a0
[  435.644057]  ? netlink_diag_dump+0x2a0/0x2a0
[  435.648473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.654012]  ? bpf_test_init.isra.10+0x70/0x100
[  435.658688]  ? bpf_prog_test_run_skb+0x762/0xd60
[  435.663487]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.668336]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.673873]  ? fput+0x130/0x1a0
[  435.677163]  ? __bpf_prog_get+0x9b/0x290
[  435.681232]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.686073]  ? bpf_prog_test_run+0x130/0x1a0
[  435.690485]  ? __x64_sys_bpf+0x3d8/0x520
[  435.694548]  ? bpf_prog_get+0x20/0x20
[  435.698375]  ? do_syscall_64+0x1b9/0x820
[  435.702452]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  435.707821]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.712759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.717609]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.722631]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.727650]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.732674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.737532]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  435.742924] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  435.742989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.749850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.749856] Call Trace:
[  435.749873]  dump_stack+0x244/0x39d
[  435.749892]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.749908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.756447] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.765745]  warn_alloc.cold.116+0xb7/0x1bd
[  435.768305] syz-executor2 cpuset=syz2 mems_allowed=0
[  435.771931]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.807335]  ? lock_downgrade+0x900/0x900
[  435.811496]  ? trace_hardirqs_off+0xb8/0x310
[  435.815912]  ? trace_hardirqs_off+0xb8/0x310
[  435.820334]  __alloc_pages_slowpath+0x2651/0x2de0
[  435.825208]  ? warn_alloc+0x120/0x120
[  435.829013]  ? warn_alloc+0x120/0x120
[  435.832822]  ? warn_alloc+0x120/0x120
[  435.836626]  ? print_usage_bug+0xc0/0xc0
[  435.840693]  ? print_usage_bug+0xc0/0xc0
[  435.844757]  ? mark_held_locks+0x130/0x130
[  435.848997]  ? mark_held_locks+0x130/0x130
[  435.853238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.858806]  ? should_fail+0x22d/0xd01
[  435.862703]  ? zap_class+0x640/0x640
[  435.866430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.871568]  ? __lock_acquire+0x62f/0x4c20
[  435.875807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.880908]  ? __lock_acquire+0x62f/0x4c20
[  435.885151]  ? should_fail+0x22d/0xd01
[  435.889065]  ? mark_held_locks+0x130/0x130
[  435.893351]  ? mark_held_locks+0x130/0x130
[  435.897588]  ? lock_downgrade+0x900/0x900
[  435.901737]  ? zap_class+0x640/0x640
[  435.905451]  ? zap_class+0x640/0x640
[  435.909169]  ? zap_class+0x640/0x640
[  435.912884]  ? do_raw_spin_unlock+0xa7/0x330
[  435.917311]  ? trace_hardirqs_on+0x310/0x310
[  435.921721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.927263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.932803]  ? check_preemption_disabled+0x48/0x280
[  435.937832]  ? __lock_is_held+0xb5/0x140
[  435.941900]  __alloc_pages_nodemask+0xad8/0xea0
[  435.946575]  ? zap_class+0x640/0x640
[  435.950307]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.955353]  ? find_held_lock+0x36/0x1c0
[  435.959432]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.964104]  ? lock_downgrade+0x900/0x900
[  435.968293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.973843]  cache_grow_begin+0xa5/0x8c0
[  435.977901]  ? do_raw_spin_unlock+0xa7/0x330
[  435.982325]  fallback_alloc+0x204/0x2e0
[  435.986341]  ____cache_alloc_node+0x1c7/0x1e0
[  435.990862]  kmem_cache_alloc_node+0xe3/0x730
[  435.995360]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.999961]  __alloc_skb+0x119/0x770
[  436.003688]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  436.009069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.013507]  ? vprintk_default+0x28/0x30
[  436.017587]  ? vprintk_func+0x85/0x181
[  436.021489]  ? printk+0xa7/0xcf
[  436.024772]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  436.029541]  new_skb+0x26/0x1c0
[  436.032819]  aoecmd_cfg+0x279/0x7f0
[  436.036445]  ? find_held_lock+0x36/0x1c0
[  436.040529]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  436.044857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.050432]  ? __lock_is_held+0xb5/0x140
[  436.054511]  discover_timer+0x50/0x60
[  436.058324]  call_timer_fn+0x272/0x920
[  436.062216]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  436.067088]  ? process_timeout+0x40/0x40
[  436.071162]  ? __run_timers+0x7da/0xc70
[  436.075155]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.079651]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.084151]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  436.088999]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.093586]  ? trace_hardirqs_on+0xbd/0x310
[  436.097911]  ? kasan_check_read+0x11/0x20
[  436.102068]  ? __run_timers+0x7da/0xc70
[  436.106043]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.111159]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  436.116005]  __run_timers+0x7e5/0xc70
[  436.119847]  ? timer_fixup_init+0x70/0x70
[  436.124019]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.128525]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.133025]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.137624]  ? trace_hardirqs_on+0xbd/0x310
[  436.141948]  ? kasan_check_read+0x11/0x20
[  436.146100]  ? finish_task_switch+0x1f4/0x910
[  436.150599]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.155708]  ? compat_start_thread+0x80/0x80
[  436.160164]  ? pvclock_read_flags+0x160/0x160
[  436.164661]  ? __switch_to_asm+0x34/0x70
[  436.168727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.174271]  ? check_preemption_disabled+0x48/0x280
[  436.179295]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  436.184840]  ? rcu_pm_notify+0xc0/0xc0
[  436.188732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.194727]  ? check_preemption_disabled+0x48/0x280
[  436.199747]  run_timer_softirq+0x52/0xb0
[  436.203810]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.208824]  __do_softirq+0x308/0xb7e
[  436.212645]  ? retint_kernel+0x2d/0x2d
[  436.216540]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.221647]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  436.227095]  ? retint_kernel+0x2d/0x2d
[  436.230987]  ? schedule+0x108/0x460
[  436.234654]  ? trace_hardirqs_off+0xb8/0x310
[  436.239063]  ? smpboot_thread_fn+0x68b/0xa00
[  436.243487]  ? trace_hardirqs_on+0x310/0x310
[  436.247897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.253444]  ? check_preemption_disabled+0x48/0x280
[  436.258468]  ? takeover_tasklets+0xa90/0xa90
[  436.262908]  run_ksoftirqd+0x5e/0x100
[  436.266716]  smpboot_thread_fn+0x68b/0xa00
[  436.270954]  ? sort_range+0x30/0x30
[  436.274582]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.279687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.285228]  ? __kthread_parkme+0xfb/0x1a0
[  436.289495]  ? sort_range+0x30/0x30
[  436.293120]  kthread+0x35a/0x440
[  436.296491]  ? kthread_stop+0x900/0x900
[  436.300470]  ret_from_fork+0x3a/0x50
[  436.304207] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  436.304213] warn_alloc_show_mem: 1 callbacks suppressed
[  436.304220] Mem-Info:
[  436.311580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.316951] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  436.316951]  active_file:133 inactive_file:117 isolated_file:0
[  436.316951]  unevictable:0 dirty:3 writeback:0 unstable:0
[  436.316951]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  436.316951]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  436.316951]  free:13727 free_pcp:164 free_cma:0
[  436.319316] Call Trace:
[  436.328704] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  436.361909]  <IRQ>
[  436.364526] 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
[  436.392277]  dump_stack+0x244/0x39d
[  436.394407] lowmem_reserve[]: 0 2818 6321 6321
[  436.420513]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.424112] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  436.428687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.433853] lowmem_reserve[]: 0 0 3503 3503
[  436.461459]  warn_alloc.cold.116+0xb7/0x1bd
[  436.466971] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  436.471283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.475576] lowmem_reserve[]: 0 0 0 0
[  436.504808]  ? lock_downgrade+0x900/0x900
[  436.509628] 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
[  436.513436]  ? trace_hardirqs_off+0xb8/0x310
[  436.517552] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  436.531068]  ? trace_hardirqs_off+0xb8/0x310
[  436.535479] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  436.550820]  __alloc_pages_slowpath+0x2651/0x2de0
[  436.555205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  436.568736]  ? warn_alloc+0x120/0x120
[  436.573540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  436.582364]  ? print_usage_bug+0xc0/0xc0
[  436.586140] 2220 total pagecache pages
[  436.594706]  ? warn_alloc+0x120/0x120
[  436.598752] 0 pages in swap cache
[  436.602626]  ? warn_alloc+0x120/0x120
[  436.606416] Swap cache stats: add 0, delete 0, find 0/0
[  436.609863]  ? print_usage_bug+0xc0/0xc0
[  436.613637] Free swap  = 0kB
[  436.618990]  ? print_usage_bug+0xc0/0xc0
[  436.623025] Total swap = 0kB
[  436.626035]  ? __lock_acquire+0x62f/0x4c20
[  436.630071] 1965979 pages RAM
[  436.633102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.637323] 0 pages HighMem/MovableOnly
[  436.640433]  ? should_fail+0x22d/0xd01
[  436.645976] 342854 pages reserved
[  436.649957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.653838] 0 pages cma reserved
[  436.657285]  ? __lock_acquire+0x62f/0x4c20
[  436.662437] aoe: skb alloc failure
[  436.665723]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.670010] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.673479]  ? __lock_acquire+0x62f/0x4c20
[  436.678555] ksoftirqd/1 cpuset=/ mems_allowed=0
[  436.688857]  ? should_fail+0x22d/0xd01
[  436.701597]  ? find_held_lock+0x36/0x1c0
[  436.705669]  ? mark_held_locks+0x130/0x130
[  436.709910]  ? mark_held_locks+0x130/0x130
[  436.714144]  ? zap_class+0x640/0x640
[  436.717860]  ? zap_class+0x640/0x640
[  436.721577]  ? print_usage_bug+0xc0/0xc0
[  436.725635]  ? do_raw_spin_unlock+0xa7/0x330
[  436.730051]  ? zap_class+0x640/0x640
[  436.733764]  ? print_usage_bug+0xc0/0xc0
[  436.737843]  ? wq_watchdog_touch+0x9c/0xfe
[  436.742099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.747652]  ? check_preemption_disabled+0x48/0x280
[  436.752679]  ? __lock_is_held+0xb5/0x140
[  436.756750]  __alloc_pages_nodemask+0xad8/0xea0
[  436.761434]  ? zap_class+0x640/0x640
[  436.765157]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  436.770187]  ? find_held_lock+0x36/0x1c0
[  436.774260]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.778929]  ? lock_downgrade+0x900/0x900
[  436.783086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.788628]  cache_grow_begin+0xa5/0x8c0
[  436.792688]  ? do_raw_spin_unlock+0xa7/0x330
[  436.797103]  fallback_alloc+0x204/0x2e0
[  436.801084]  ____cache_alloc_node+0x1c7/0x1e0
[  436.805589]  kmem_cache_alloc_node+0xe3/0x730
[  436.810084]  ? ipv6_get_ifaddr+0x42e/0x620
[  436.814332]  __alloc_skb+0x119/0x770
[  436.818046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.823330]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.827757]  ? lock_downgrade+0x900/0x900
[  436.831918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.837457]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.842907]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  436.848370]  ? addrconf_rs_timer+0x690/0x690
[  436.852812]  ndisc_alloc_skb+0x144/0x340
[  436.856882]  ndisc_send_rs+0x331/0x6e0
[  436.860775]  addrconf_rs_timer+0x314/0x690
[  436.865017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.869261]  call_timer_fn+0x272/0x920
[  436.873148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.877382]  ? process_timeout+0x40/0x40
[  436.881465]  ? __run_timers+0x7da/0xc70
[  436.885446]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.889954]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.894463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.898699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.903295]  ? trace_hardirqs_on+0xbd/0x310
[  436.907617]  ? kasan_check_read+0x11/0x20
[  436.911793]  ? __run_timers+0x7da/0xc70
[  436.915781]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.920905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.925147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.929380]  __run_timers+0x7e5/0xc70
[  436.933208]  ? timer_fixup_init+0x70/0x70
[  436.937358]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.942374]  ? zap_class+0x640/0x640
[  436.946125]  ? enqueue_hrtimer+0x1a5/0x560
[  436.950364]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.955568]  ? find_held_lock+0x36/0x1c0
[  436.959635]  ? zap_class+0x640/0x640
[  436.963354]  ? pvclock_read_flags+0x160/0x160
[  436.967854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.973400]  ? check_preemption_disabled+0x48/0x280
[  436.978452]  ? __lock_is_held+0xb5/0x140
[  436.982521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.988062]  ? check_preemption_disabled+0x48/0x280
[  436.993087]  run_timer_softirq+0x52/0xb0
[  436.997147]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.002170]  __do_softirq+0x308/0xb7e
[  437.005971]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.010468]  ? lock_downgrade+0x900/0x900
[  437.014620]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.019730]  ? pvclock_read_flags+0x160/0x160
[  437.024231]  ? lapic_next_event+0x5a/0x90
[  437.028386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.033945]  ? kvm_clock_read+0x18/0x30
[  437.037917]  ? kvm_sched_clock_read+0x9/0x20
[  437.042331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.047887]  ? check_preemption_disabled+0x48/0x280
[  437.052914]  irq_exit+0x17f/0x1c0
[  437.056368]  smp_apic_timer_interrupt+0x1cb/0x760
[  437.061681]  ? smp_reschedule_interrupt+0x109/0x650
[  437.066700]  ? smp_call_function_single_interrupt+0x650/0x650
[  437.072584]  ? interrupt_entry+0xb5/0xc0
[  437.076649]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.081667]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.086685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.091532]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.096551]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.101570]  ? task_prio+0x50/0x50
[  437.105115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.110657]  ? check_preemption_disabled+0x48/0x280
[  437.115683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.120535]  apic_timer_interrupt+0xf/0x20
[  437.124765]  </IRQ>
[  437.127008] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  437.131936] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  437.150833] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  437.158542] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  437.165811] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  437.173078] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  437.180349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  437.187629] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  437.194934]  skb_clone+0x1bb/0x500
[  437.198479]  ? skb_split+0x11e0/0x11e0
[  437.202369]  ? preempt_notifier_register+0x200/0x200
[  437.207476]  ? __switch_to_asm+0x34/0x70
[  437.211537]  ? __switch_to_asm+0x34/0x70
[  437.215594]  ? __switch_to_asm+0x40/0x70
[  437.219653]  ? __switch_to_asm+0x34/0x70
[  437.223709]  ? __switch_to_asm+0x40/0x70
[  437.227771]  ? __switch_to_asm+0x40/0x70
[  437.231834]  ? __switch_to_asm+0x34/0x70
[  437.235897]  ? __switch_to_asm+0x34/0x70
[  437.239954]  ? __switch_to_asm+0x40/0x70
[  437.244008]  ? __switch_to_asm+0x34/0x70
[  437.248086]  bpf_clone_redirect+0xb9/0x490
[  437.252332]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  437.257350]  ? __sched_text_start+0x8/0x8
[  437.261500]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  437.266269]  ? find_held_lock+0x36/0x1c0
[  437.270340]  ? lock_acquire+0x1ed/0x520
[  437.274315]  ? bpf_test_run+0x3ee/0x7a0
[  437.278292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.283849]  ? check_preemption_disabled+0x48/0x280
[  437.288898]  ? kasan_check_read+0x11/0x20
[  437.293060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.298349]  ? rcu_softirq_qs+0x20/0x20
[  437.302322]  ? preempt_schedule+0x4d/0x60
[  437.306470]  ? ___preempt_schedule+0x16/0x18
[  437.310891]  ? bpf_test_run+0x271/0x7a0
[  437.314882]  ? netlink_diag_dump+0x2a0/0x2a0
[  437.319332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.324888]  ? bpf_test_init.isra.10+0x70/0x100
[  437.329562]  ? bpf_prog_test_run_skb+0x762/0xd60
[  437.334332]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  437.339185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  437.344721]  ? fput+0x130/0x1a0
[  437.348004]  ? __bpf_prog_get+0x9b/0x290
[  437.352074]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  437.356917]  ? bpf_prog_test_run+0x130/0x1a0
[  437.361330]  ? __x64_sys_bpf+0x3d8/0x520
[  437.365391]  ? bpf_prog_get+0x20/0x20
[  437.369226]  ? do_syscall_64+0x1b9/0x820
[  437.373286]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  437.378650]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.383581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.388437]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.393456]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  437.398478]  ? prepare_exit_to_usermode+0x291/0x3b0
[  437.403504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.408353]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  437.413740] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  437.413809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  437.420665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.420671] Call Trace:
[  437.420689]  dump_stack+0x244/0x39d
[  437.420708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.420725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.427249] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.436553]  warn_alloc.cold.116+0xb7/0x1bd
[  437.439126] syz-executor2 cpuset=syz2 mems_allowed=0
[  437.442745]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.478127]  ? lock_downgrade+0x900/0x900
[  437.482285]  ? trace_hardirqs_off+0xb8/0x310
[  437.486702]  ? trace_hardirqs_off+0xb8/0x310
[  437.491146]  __alloc_pages_slowpath+0x2651/0x2de0
[  437.496017]  ? warn_alloc+0x120/0x120
[  437.499821]  ? warn_alloc+0x120/0x120
[  437.503634]  ? warn_alloc+0x120/0x120
[  437.507456]  ? print_usage_bug+0xc0/0xc0
[  437.511542]  ? print_usage_bug+0xc0/0xc0
[  437.515607]  ? mark_held_locks+0x130/0x130
[  437.519844]  ? mark_held_locks+0x130/0x130
[  437.524083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.529621]  ? should_fail+0x22d/0xd01
[  437.533507]  ? zap_class+0x640/0x640
[  437.537224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.542328]  ? __lock_acquire+0x62f/0x4c20
[  437.546569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.551671]  ? __lock_acquire+0x62f/0x4c20
[  437.555909]  ? should_fail+0x22d/0xd01
[  437.559843]  ? mark_held_locks+0x130/0x130
[  437.564100]  ? mark_held_locks+0x130/0x130
[  437.568336]  ? lock_downgrade+0x900/0x900
[  437.572487]  ? zap_class+0x640/0x640
[  437.576205]  ? zap_class+0x640/0x640
[  437.579927]  ? do_raw_spin_unlock+0xa7/0x330
[  437.584339]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  437.589097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.594640]  ? check_preemption_disabled+0x48/0x280
[  437.599665]  ? __lock_is_held+0xb5/0x140
[  437.603744]  __alloc_pages_nodemask+0xad8/0xea0
[  437.608417]  ? zap_class+0x640/0x640
[  437.612155]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  437.617182]  ? find_held_lock+0x36/0x1c0
[  437.621251]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.625928]  ? lock_downgrade+0x900/0x900
[  437.630082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.635625]  cache_grow_begin+0xa5/0x8c0
[  437.639688]  ? do_raw_spin_unlock+0xa7/0x330
[  437.644104]  fallback_alloc+0x204/0x2e0
[  437.648087]  ____cache_alloc_node+0x1c7/0x1e0
[  437.652598]  kmem_cache_alloc_node+0xe3/0x730
[  437.657095]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.661691]  __alloc_skb+0x119/0x770
[  437.665412]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  437.670798]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.675245]  ? vprintk_default+0x28/0x30
[  437.679350]  ? vprintk_func+0x85/0x181
[  437.683239]  ? printk+0xa7/0xcf
[  437.686521]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  437.691287]  new_skb+0x26/0x1c0
[  437.694584]  aoecmd_cfg+0x279/0x7f0
[  437.698216]  ? find_held_lock+0x36/0x1c0
[  437.702283]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  437.706611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.712163]  ? __lock_is_held+0xb5/0x140
[  437.716250]  discover_timer+0x50/0x60
[  437.720053]  call_timer_fn+0x272/0x920
[  437.723945]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.728789]  ? process_timeout+0x40/0x40
[  437.732861]  ? __run_timers+0x7da/0xc70
[  437.736841]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.741347]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.745838]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.750694]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.755280]  ? trace_hardirqs_on+0xbd/0x310
[  437.759601]  ? kasan_check_read+0x11/0x20
[  437.763747]  ? __run_timers+0x7da/0xc70
[  437.767726]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.772860]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.777700]  __run_timers+0x7e5/0xc70
[  437.781516]  ? timer_fixup_init+0x70/0x70
[  437.785663]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.790159]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.794657]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.799248]  ? trace_hardirqs_on+0xbd/0x310
[  437.803570]  ? kasan_check_read+0x11/0x20
[  437.807727]  ? finish_task_switch+0x1f4/0x910
[  437.812231]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.817335]  ? compat_start_thread+0x80/0x80
[  437.821770]  ? pvclock_read_flags+0x160/0x160
[  437.826263]  ? __switch_to_asm+0x34/0x70
[  437.830329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.835869]  ? check_preemption_disabled+0x48/0x280
[  437.840943]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  437.846496]  ? rcu_pm_notify+0xc0/0xc0
[  437.850386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.855948]  ? check_preemption_disabled+0x48/0x280
[  437.860984]  run_timer_softirq+0x52/0xb0
[  437.865046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.870067]  __do_softirq+0x308/0xb7e
[  437.873870]  ? retint_kernel+0x2d/0x2d
[  437.877763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.882865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.888315]  ? retint_kernel+0x2d/0x2d
[  437.892207]  ? schedule+0x108/0x460
[  437.895843]  ? trace_hardirqs_off+0xb8/0x310
[  437.900252]  ? smpboot_thread_fn+0x68b/0xa00
[  437.904665]  ? trace_hardirqs_on+0x310/0x310
[  437.909079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.914620]  ? check_preemption_disabled+0x48/0x280
[  437.919638]  ? takeover_tasklets+0xa90/0xa90
[  437.924060]  run_ksoftirqd+0x5e/0x100
[  437.927892]  smpboot_thread_fn+0x68b/0xa00
[  437.932136]  ? sort_range+0x30/0x30
[  437.935762]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.940866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.946414]  ? __kthread_parkme+0xfb/0x1a0
[  437.950657]  ? sort_range+0x30/0x30
[  437.954284]  kthread+0x35a/0x440
[  437.957653]  ? kthread_stop+0x900/0x900
[  437.961673]  ret_from_fork+0x3a/0x50
[  437.965424] warn_alloc_show_mem: 1 callbacks suppressed
[  437.965436] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  437.965438] Mem-Info:
[  437.965470] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  437.965470]  active_file:133 inactive_file:117 isolated_file:0
[  437.965470]  unevictable:0 dirty:3 writeback:0 unstable:0
[  437.965470]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  437.965470]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  437.965470]  free:13727 free_pcp:164 free_cma:0
[  437.970802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.978167] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  437.980566] Call Trace:
[  438.013774] 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
[  438.023134]  <IRQ>
[  438.050902] lowmem_reserve[]: 0 2818 6321 6321
[  438.053486]  dump_stack+0x244/0x39d
[  438.079569] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  438.081713]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.086265] lowmem_reserve[]: 0 0 3503 3503
[  438.089899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.117461] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  438.122646]  warn_alloc.cold.116+0xb7/0x1bd
[  438.126959] lowmem_reserve[]: 0 0 0 0
[  438.132494]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.161701] 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
[  438.166022]  ? lock_downgrade+0x900/0x900
[  438.169797] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  438.174638]  ? trace_hardirqs_off+0xb8/0x310
[  438.188152] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  438.192298]  ? trace_hardirqs_off+0xb8/0x310
[  438.207623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  438.212020]  __alloc_pages_slowpath+0x2651/0x2de0
[  438.225533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  438.229945]  ? warn_alloc+0x120/0x120
[  438.238745] 2220 total pagecache pages
[  438.243579]  ? print_usage_bug+0xc0/0xc0
[  438.252132] 0 pages in swap cache
[  438.255952]  ? warn_alloc+0x120/0x120
[  438.259851] Swap cache stats: add 0, delete 0, find 0/0
[  438.263899]  ? warn_alloc+0x120/0x120
[  438.267330] Free swap  = 0kB
[  438.271122]  ? print_usage_bug+0xc0/0xc0
[  438.276460] Total swap = 0kB
[  438.280250]  ? print_usage_bug+0xc0/0xc0
[  438.283248] 1965979 pages RAM
[  438.287307]  ? __lock_acquire+0x62f/0x4c20
[  438.290303] 0 pages HighMem/MovableOnly
[  438.294363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.297446] 342854 pages reserved
[  438.301673]  ? should_fail+0x22d/0xd01
[  438.305621] 0 pages cma reserved
[  438.311149]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.314646] aoe: skb alloc failure
[  438.318458]  ? __lock_acquire+0x62f/0x4c20
[  438.321855] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.326925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.330446] ksoftirqd/1 cpuset=/ mems_allowed=0
[  438.334673]  ? __lock_acquire+0x62f/0x4c20
[  438.358932]  ? should_fail+0x22d/0xd01
[  438.362823]  ? find_held_lock+0x36/0x1c0
[  438.366909]  ? mark_held_locks+0x130/0x130
[  438.371150]  ? mark_held_locks+0x130/0x130
[  438.375381]  ? zap_class+0x640/0x640
[  438.379107]  ? zap_class+0x640/0x640
[  438.382821]  ? print_usage_bug+0xc0/0xc0
[  438.386880]  ? do_raw_spin_unlock+0xa7/0x330
[  438.391290]  ? zap_class+0x640/0x640
[  438.395005]  ? print_usage_bug+0xc0/0xc0
[  438.399069]  ? wq_watchdog_touch+0x9c/0xfe
[  438.403322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.408858]  ? check_preemption_disabled+0x48/0x280
[  438.413878]  ? __lock_is_held+0xb5/0x140
[  438.417944]  __alloc_pages_nodemask+0xad8/0xea0
[  438.422659]  ? zap_class+0x640/0x640
[  438.426379]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  438.431449]  ? find_held_lock+0x36/0x1c0
[  438.435528]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.440201]  ? lock_downgrade+0x900/0x900
[  438.444355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.449898]  cache_grow_begin+0xa5/0x8c0
[  438.453956]  ? do_raw_spin_unlock+0xa7/0x330
[  438.458373]  fallback_alloc+0x204/0x2e0
[  438.462378]  ____cache_alloc_node+0x1c7/0x1e0
[  438.466889]  kmem_cache_alloc_node+0xe3/0x730
[  438.471383]  ? ipv6_get_ifaddr+0x42e/0x620
[  438.475653]  __alloc_skb+0x119/0x770
[  438.479364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.484649]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.489055]  ? lock_downgrade+0x900/0x900
[  438.493210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.498750]  ? refcount_sub_and_test_checked+0x203/0x310
[  438.504207]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  438.509660]  ? addrconf_rs_timer+0x690/0x690
[  438.514080]  ndisc_alloc_skb+0x144/0x340
[  438.518149]  ndisc_send_rs+0x331/0x6e0
[  438.522041]  addrconf_rs_timer+0x314/0x690
[  438.526281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.530533]  call_timer_fn+0x272/0x920
[  438.534445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.538687]  ? process_timeout+0x40/0x40
[  438.542794]  ? __run_timers+0x7da/0xc70
[  438.546767]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.551260]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.555757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.559994]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.564580]  ? trace_hardirqs_on+0xbd/0x310
[  438.568905]  ? kasan_check_read+0x11/0x20
[  438.573052]  ? __run_timers+0x7da/0xc70
[  438.577046]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.582153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.586406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.590651]  __run_timers+0x7e5/0xc70
[  438.594466]  ? timer_fixup_init+0x70/0x70
[  438.598615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.603635]  ? zap_class+0x640/0x640
[  438.607352]  ? enqueue_hrtimer+0x1a5/0x560
[  438.611593]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.616793]  ? find_held_lock+0x36/0x1c0
[  438.620862]  ? zap_class+0x640/0x640
[  438.624583]  ? pvclock_read_flags+0x160/0x160
[  438.629082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.634624]  ? check_preemption_disabled+0x48/0x280
[  438.639648]  ? __lock_is_held+0xb5/0x140
[  438.643714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.649270]  ? check_preemption_disabled+0x48/0x280
[  438.654293]  run_timer_softirq+0x52/0xb0
[  438.658354]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.663372]  __do_softirq+0x308/0xb7e
[  438.667203]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.671730]  ? lock_downgrade+0x900/0x900
[  438.675887]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.680996]  ? pvclock_read_flags+0x160/0x160
[  438.685500]  ? lapic_next_event+0x5a/0x90
[  438.689650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.695196]  ? kvm_clock_read+0x18/0x30
[  438.699175]  ? kvm_sched_clock_read+0x9/0x20
[  438.703585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.709124]  ? check_preemption_disabled+0x48/0x280
[  438.714149]  irq_exit+0x17f/0x1c0
[  438.717610]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.722453]  ? smp_reschedule_interrupt+0x109/0x650
[  438.727472]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.733356]  ? interrupt_entry+0xb5/0xc0
[  438.737431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.742449]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.747472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.752322]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.757338]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.762358]  ? task_prio+0x50/0x50
[  438.765907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.771449]  ? check_preemption_disabled+0x48/0x280
[  438.776476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.781332]  apic_timer_interrupt+0xf/0x20
[  438.785563]  </IRQ>
[  438.787805] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  438.792736] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  438.811634] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  438.819338] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  438.826606] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  438.833877] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  438.841142] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  438.848422] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  438.855728]  skb_clone+0x1bb/0x500
[  438.859276]  ? skb_split+0x11e0/0x11e0
[  438.863167]  ? preempt_notifier_register+0x200/0x200
[  438.868269]  ? __switch_to_asm+0x34/0x70
[  438.872362]  ? __switch_to_asm+0x34/0x70
[  438.876447]  ? __switch_to_asm+0x40/0x70
[  438.880505]  ? __switch_to_asm+0x34/0x70
[  438.884568]  ? __switch_to_asm+0x40/0x70
[  438.888631]  ? __switch_to_asm+0x40/0x70
[  438.892688]  ? __switch_to_asm+0x34/0x70
[  438.896747]  ? __switch_to_asm+0x34/0x70
[  438.900805]  ? __switch_to_asm+0x40/0x70
[  438.904882]  ? __switch_to_asm+0x34/0x70
[  438.908945]  bpf_clone_redirect+0xb9/0x490
[  438.913186]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  438.918204]  ? __sched_text_start+0x8/0x8
[  438.922356]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.927127]  ? find_held_lock+0x36/0x1c0
[  438.931195]  ? lock_acquire+0x1ed/0x520
[  438.935181]  ? bpf_test_run+0x3ee/0x7a0
[  438.939155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.944691]  ? check_preemption_disabled+0x48/0x280
[  438.949713]  ? kasan_check_read+0x11/0x20
[  438.953866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.959145]  ? rcu_softirq_qs+0x20/0x20
[  438.963120]  ? preempt_schedule+0x4d/0x60
[  438.967266]  ? ___preempt_schedule+0x16/0x18
[  438.971678]  ? bpf_test_run+0x271/0x7a0
[  438.975667]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.980078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.985621]  ? bpf_test_init.isra.10+0x70/0x100
[  438.990301]  ? bpf_prog_test_run_skb+0x762/0xd60
[  438.995068]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.999929]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  439.005471]  ? fput+0x130/0x1a0
[  439.008773]  ? __bpf_prog_get+0x9b/0x290
[  439.012839]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  439.017686]  ? bpf_prog_test_run+0x130/0x1a0
[  439.022102]  ? __x64_sys_bpf+0x3d8/0x520
[  439.026162]  ? bpf_prog_get+0x20/0x20
[  439.030008]  ? do_syscall_64+0x1b9/0x820
[  439.034114]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  439.039495]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.044431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.049280]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.054298]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  439.059319]  ? prepare_exit_to_usermode+0x291/0x3b0
[  439.064818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.069679]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  439.075061] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  439.075132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.081990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.081995] Call Trace:
[  439.082013]  dump_stack+0x244/0x39d
[  439.082037]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.088579] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.097874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.100437] syz-executor2 cpuset=syz2 mems_allowed=0
[  439.104067]  warn_alloc.cold.116+0xb7/0x1bd
[  439.134632]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.139479]  ? lock_downgrade+0x900/0x900
[  439.143638]  ? trace_hardirqs_off+0xb8/0x310
[  439.148059]  ? trace_hardirqs_off+0xb8/0x310
[  439.152492]  __alloc_pages_slowpath+0x2651/0x2de0
[  439.157364]  ? warn_alloc+0x120/0x120
[  439.161177]  ? warn_alloc+0x120/0x120
[  439.164982]  ? warn_alloc+0x120/0x120
[  439.168797]  ? print_usage_bug+0xc0/0xc0
[  439.172882]  ? print_usage_bug+0xc0/0xc0
[  439.176950]  ? mark_held_locks+0x130/0x130
[  439.181186]  ? mark_held_locks+0x130/0x130
[  439.185434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.190977]  ? should_fail+0x22d/0xd01
[  439.194865]  ? zap_class+0x640/0x640
[  439.198582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.203685]  ? __lock_acquire+0x62f/0x4c20
[  439.207930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.213033]  ? __lock_acquire+0x62f/0x4c20
[  439.217266]  ? should_fail+0x22d/0xd01
[  439.221167]  ? mark_held_locks+0x130/0x130
[  439.225419]  ? mark_held_locks+0x130/0x130
[  439.229658]  ? lock_downgrade+0x900/0x900
[  439.233807]  ? zap_class+0x640/0x640
[  439.237525]  ? zap_class+0x640/0x640
[  439.241240]  ? do_raw_spin_unlock+0xa7/0x330
[  439.245652]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  439.250418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.255963]  ? check_preemption_disabled+0x48/0x280
[  439.260990]  ? __lock_is_held+0xb5/0x140
[  439.265061]  __alloc_pages_nodemask+0xad8/0xea0
[  439.269756]  ? zap_class+0x640/0x640
[  439.273492]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  439.278524]  ? find_held_lock+0x36/0x1c0
[  439.282601]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.287271]  ? lock_downgrade+0x900/0x900
[  439.291465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.297007]  cache_grow_begin+0xa5/0x8c0
[  439.301067]  ? do_raw_spin_unlock+0xa7/0x330
[  439.305500]  fallback_alloc+0x204/0x2e0
[  439.309483]  ____cache_alloc_node+0x1c7/0x1e0
[  439.313981]  kmem_cache_alloc_node+0xe3/0x730
[  439.318495]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.323087]  __alloc_skb+0x119/0x770
[  439.326800]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  439.332187]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.336610]  ? vprintk_default+0x28/0x30
[  439.340672]  ? vprintk_func+0x85/0x181
[  439.344593]  ? printk+0xa7/0xcf
[  439.347872]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  439.352640]  new_skb+0x26/0x1c0
[  439.355946]  aoecmd_cfg+0x279/0x7f0
[  439.359587]  ? find_held_lock+0x36/0x1c0
[  439.363668]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  439.368000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.373548]  ? __lock_is_held+0xb5/0x140
[  439.377620]  discover_timer+0x50/0x60
[  439.381430]  call_timer_fn+0x272/0x920
[  439.385319]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  439.390162]  ? process_timeout+0x40/0x40
[  439.394231]  ? __run_timers+0x7da/0xc70
[  439.398223]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.402718]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.407211]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  439.412054]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.416636]  ? trace_hardirqs_on+0xbd/0x310
[  439.420961]  ? kasan_check_read+0x11/0x20
[  439.425109]  ? __run_timers+0x7da/0xc70
[  439.429088]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.434208]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  439.439047]  __run_timers+0x7e5/0xc70
[  439.442864]  ? timer_fixup_init+0x70/0x70
[  439.447015]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.451507]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.456006]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.460608]  ? trace_hardirqs_on+0xbd/0x310
[  439.464931]  ? kasan_check_read+0x11/0x20
[  439.469083]  ? finish_task_switch+0x1f4/0x910
[  439.473598]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.478706]  ? compat_start_thread+0x80/0x80
[  439.483135]  ? pvclock_read_flags+0x160/0x160
[  439.487628]  ? __switch_to_asm+0x34/0x70
[  439.491694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.497233]  ? check_preemption_disabled+0x48/0x280
[  439.502258]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  439.507797]  ? rcu_pm_notify+0xc0/0xc0
[  439.511689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.517244]  ? check_preemption_disabled+0x48/0x280
[  439.522265]  run_timer_softirq+0x52/0xb0
[  439.526343]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.531363]  __do_softirq+0x308/0xb7e
[  439.535178]  ? retint_kernel+0x2d/0x2d
[  439.539073]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.544179]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  439.549634]  ? retint_kernel+0x2d/0x2d
[  439.553531]  ? schedule+0x108/0x460
[  439.557172]  ? trace_hardirqs_off+0xb8/0x310
[  439.561596]  ? smpboot_thread_fn+0x68b/0xa00
[  439.566010]  ? trace_hardirqs_on+0x310/0x310
[  439.570459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.576027]  ? check_preemption_disabled+0x48/0x280
[  439.581043]  ? takeover_tasklets+0xa90/0xa90
[  439.585452]  run_ksoftirqd+0x5e/0x100
[  439.589251]  smpboot_thread_fn+0x68b/0xa00
[  439.593488]  ? sort_range+0x30/0x30
[  439.597113]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.602214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.607752]  ? __kthread_parkme+0xfb/0x1a0
[  439.612004]  ? sort_range+0x30/0x30
[  439.615634]  kthread+0x35a/0x440
[  439.619006]  ? kthread_stop+0x900/0x900
[  439.622984]  ret_from_fork+0x3a/0x50
[  439.626717] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  439.626723] warn_alloc_show_mem: 1 callbacks suppressed
[  439.626730] Mem-Info:
[  439.634259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.639624] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  439.639624]  active_file:133 inactive_file:117 isolated_file:0
[  439.639624]  unevictable:0 dirty:3 writeback:0 unstable:0
[  439.639624]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  439.639624]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  439.639624]  free:13727 free_pcp:164 free_cma:0
[  439.641995] Call Trace:
[  439.651388] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  439.684578]  <IRQ>
[  439.687151] 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
[  439.714908]  dump_stack+0x244/0x39d
[  439.717037] lowmem_reserve[]: 0 2818 6321 6321
[  439.743143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.746746] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  439.751320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.756484] lowmem_reserve[]: 0 0 3503 3503
[  439.784072]  warn_alloc.cold.116+0xb7/0x1bd
[  439.789584] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  439.793901]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.798217] lowmem_reserve[]: 0 0 0 0
[  439.827453]  ? lock_downgrade+0x900/0x900
[  439.832269] 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
[  439.836066]  ? trace_hardirqs_off+0xb8/0x310
[  439.840233] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  439.853757]  ? trace_hardirqs_off+0xb8/0x310
[  439.858141] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  439.873484]  __alloc_pages_slowpath+0x2651/0x2de0
[  439.877874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  439.891408]  ? warn_alloc+0x120/0x120
[  439.896207] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  439.905029]  ? print_usage_bug+0xc0/0xc0
[  439.908819] 2220 total pagecache pages
[  439.917384]  ? warn_alloc+0x120/0x120
[  439.921432] 0 pages in swap cache
[  439.925313]  ? warn_alloc+0x120/0x120
[  439.929107] Swap cache stats: add 0, delete 0, find 0/0
[  439.932547]  ? print_usage_bug+0xc0/0xc0
[  439.936323] Free swap  = 0kB
[  439.941678]  ? print_usage_bug+0xc0/0xc0
[  439.945712] Total swap = 0kB
[  439.948723]  ? __lock_acquire+0x62f/0x4c20
[  439.952757] 1965979 pages RAM
[  439.955768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.959976] 0 pages HighMem/MovableOnly
[  439.963091]  ? should_fail+0x22d/0xd01
[  439.968602] 342854 pages reserved
[  439.972572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.976435] 0 pages cma reserved
[  439.979886]  ? __lock_acquire+0x62f/0x4c20
[  439.985025] aoe: skb alloc failure
[  439.988317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.992584] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.996061]  ? __lock_acquire+0x62f/0x4c20
[  440.001142] ksoftirqd/1 cpuset=/ mems_allowed=0
[  440.011468]  ? should_fail+0x22d/0xd01
[  440.024209]  ? find_held_lock+0x36/0x1c0
[  440.028283]  ? mark_held_locks+0x130/0x130
[  440.032524]  ? mark_held_locks+0x130/0x130
[  440.036776]  ? zap_class+0x640/0x640
[  440.040494]  ? zap_class+0x640/0x640
[  440.044223]  ? print_usage_bug+0xc0/0xc0
[  440.048315]  ? do_raw_spin_unlock+0xa7/0x330
[  440.052721]  ? zap_class+0x640/0x640
[  440.056442]  ? print_usage_bug+0xc0/0xc0
[  440.060506]  ? wq_watchdog_touch+0x9c/0xfe
[  440.064748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.070308]  ? check_preemption_disabled+0x48/0x280
[  440.075352]  ? __lock_is_held+0xb5/0x140
[  440.079436]  __alloc_pages_nodemask+0xad8/0xea0
[  440.084105]  ? zap_class+0x640/0x640
[  440.087825]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  440.092853]  ? find_held_lock+0x36/0x1c0
[  440.096956]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.101646]  ? lock_downgrade+0x900/0x900
[  440.105802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.111344]  cache_grow_begin+0xa5/0x8c0
[  440.115412]  ? do_raw_spin_unlock+0xa7/0x330
[  440.119845]  fallback_alloc+0x204/0x2e0
[  440.123831]  ____cache_alloc_node+0x1c7/0x1e0
[  440.128365]  kmem_cache_alloc_node+0xe3/0x730
[  440.132872]  ? ipv6_get_ifaddr+0x42e/0x620
[  440.137132]  __alloc_skb+0x119/0x770
[  440.140846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.146127]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.150537]  ? lock_downgrade+0x900/0x900
[  440.154696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.160234]  ? refcount_sub_and_test_checked+0x203/0x310
[  440.165688]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  440.171142]  ? addrconf_rs_timer+0x690/0x690
[  440.175567]  ndisc_alloc_skb+0x144/0x340
[  440.179639]  ndisc_send_rs+0x331/0x6e0
[  440.183534]  addrconf_rs_timer+0x314/0x690
[  440.187779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.192135]  call_timer_fn+0x272/0x920
[  440.196026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.200261]  ? process_timeout+0x40/0x40
[  440.204333]  ? __run_timers+0x7da/0xc70
[  440.208323]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.212813]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.217306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.221544]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.226131]  ? trace_hardirqs_on+0xbd/0x310
[  440.230454]  ? kasan_check_read+0x11/0x20
[  440.234602]  ? __run_timers+0x7da/0xc70
[  440.238581]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.243688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.247962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.252214]  __run_timers+0x7e5/0xc70
[  440.256036]  ? timer_fixup_init+0x70/0x70
[  440.260185]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.265202]  ? zap_class+0x640/0x640
[  440.268937]  ? enqueue_hrtimer+0x1a5/0x560
[  440.273177]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.278430]  ? find_held_lock+0x36/0x1c0
[  440.282501]  ? zap_class+0x640/0x640
[  440.286222]  ? pvclock_read_flags+0x160/0x160
[  440.290735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.296286]  ? check_preemption_disabled+0x48/0x280
[  440.301316]  ? __lock_is_held+0xb5/0x140
[  440.305380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.310931]  ? check_preemption_disabled+0x48/0x280
[  440.315954]  run_timer_softirq+0x52/0xb0
[  440.320019]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.325052]  __do_softirq+0x308/0xb7e
[  440.328857]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.333355]  ? lock_downgrade+0x900/0x900
[  440.337514]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.342626]  ? pvclock_read_flags+0x160/0x160
[  440.347126]  ? lapic_next_event+0x5a/0x90
[  440.351282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.356859]  ? kvm_clock_read+0x18/0x30
[  440.360832]  ? kvm_sched_clock_read+0x9/0x20
[  440.365243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.370782]  ? check_preemption_disabled+0x48/0x280
[  440.375812]  irq_exit+0x17f/0x1c0
[  440.379268]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.384111]  ? smp_reschedule_interrupt+0x109/0x650
[  440.389126]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.396054]  ? interrupt_entry+0xb5/0xc0
[  440.400118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.405137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.410153]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.415014]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.420043]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.425057]  ? task_prio+0x50/0x50
[  440.428601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.434141]  ? check_preemption_disabled+0x48/0x280
[  440.439165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.444019]  apic_timer_interrupt+0xf/0x20
[  440.448248]  </IRQ>
[  440.450493] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  440.455436] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  440.474339] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  440.482048] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  440.489311] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  440.496582] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  440.503851] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  440.511115] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  440.518460]  skb_clone+0x1bb/0x500
[  440.522019]  ? skb_split+0x11e0/0x11e0
[  440.525909]  ? preempt_notifier_register+0x200/0x200
[  440.531012]  ? __switch_to_asm+0x34/0x70
[  440.535102]  ? __switch_to_asm+0x34/0x70
[  440.539164]  ? __switch_to_asm+0x40/0x70
[  440.543241]  ? __switch_to_asm+0x34/0x70
[  440.547314]  ? __switch_to_asm+0x40/0x70
[  440.551376]  ? __switch_to_asm+0x40/0x70
[  440.555459]  ? __switch_to_asm+0x34/0x70
[  440.559523]  ? __switch_to_asm+0x34/0x70
[  440.563584]  ? __switch_to_asm+0x40/0x70
[  440.567645]  ? __switch_to_asm+0x34/0x70
[  440.571715]  bpf_clone_redirect+0xb9/0x490
[  440.575958]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  440.580978]  ? __sched_text_start+0x8/0x8
[  440.585147]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.589915]  ? find_held_lock+0x36/0x1c0
[  440.593988]  ? lock_acquire+0x1ed/0x520
[  440.597977]  ? bpf_test_run+0x3ee/0x7a0
[  440.601956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.607497]  ? check_preemption_disabled+0x48/0x280
[  440.612534]  ? kasan_check_read+0x11/0x20
[  440.616680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.621953]  ? rcu_softirq_qs+0x20/0x20
[  440.625927]  ? preempt_schedule+0x4d/0x60
[  440.630077]  ? ___preempt_schedule+0x16/0x18
[  440.634493]  ? bpf_test_run+0x271/0x7a0
[  440.638487]  ? netlink_diag_dump+0x2a0/0x2a0
[  440.642900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.648443]  ? bpf_test_init.isra.10+0x70/0x100
[  440.653117]  ? bpf_prog_test_run_skb+0x762/0xd60
[  440.657886]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.662738]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.668280]  ? fput+0x130/0x1a0
[  440.671565]  ? __bpf_prog_get+0x9b/0x290
[  440.675633]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.680478]  ? bpf_prog_test_run+0x130/0x1a0
[  440.684903]  ? __x64_sys_bpf+0x3d8/0x520
[  440.688965]  ? bpf_prog_get+0x20/0x20
[  440.692785]  ? do_syscall_64+0x1b9/0x820
[  440.696859]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  440.702222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.707148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.712009]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.717030]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  440.722054]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.727078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.731943]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  440.737326] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  440.737403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  440.744257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.744263] Call Trace:
[  440.744281]  dump_stack+0x244/0x39d
[  440.744300]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.744318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.750891] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.760149]  warn_alloc.cold.116+0xb7/0x1bd
[  440.762706] syz-executor2 cpuset=syz2 mems_allowed=0
[  440.766325]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.801745]  ? lock_downgrade+0x900/0x900
[  440.805903]  ? trace_hardirqs_off+0xb8/0x310
[  440.810325]  ? trace_hardirqs_off+0xb8/0x310
[  440.814740]  __alloc_pages_slowpath+0x2651/0x2de0
[  440.819611]  ? warn_alloc+0x120/0x120
[  440.823424]  ? warn_alloc+0x120/0x120
[  440.827249]  ? warn_alloc+0x120/0x120
[  440.831064]  ? print_usage_bug+0xc0/0xc0
[  440.835136]  ? print_usage_bug+0xc0/0xc0
[  440.839197]  ? mark_held_locks+0x130/0x130
[  440.843439]  ? mark_held_locks+0x130/0x130
[  440.847678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.853216]  ? should_fail+0x22d/0xd01
[  440.857107]  ? zap_class+0x640/0x640
[  440.860826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.865939]  ? __lock_acquire+0x62f/0x4c20
[  440.870179]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.875278]  ? __lock_acquire+0x62f/0x4c20
[  440.879510]  ? should_fail+0x22d/0xd01
[  440.883415]  ? mark_held_locks+0x130/0x130
[  440.887680]  ? mark_held_locks+0x130/0x130
[  440.891915]  ? lock_downgrade+0x900/0x900
[  440.896070]  ? zap_class+0x640/0x640
[  440.899787]  ? zap_class+0x640/0x640
[  440.903501]  ? do_raw_spin_unlock+0xa7/0x330
[  440.907914]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.912680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.918218]  ? check_preemption_disabled+0x48/0x280
[  440.923244]  ? __lock_is_held+0xb5/0x140
[  440.927313]  __alloc_pages_nodemask+0xad8/0xea0
[  440.931982]  ? zap_class+0x640/0x640
[  440.935702]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  440.940735]  ? find_held_lock+0x36/0x1c0
[  440.944821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.949508]  ? lock_downgrade+0x900/0x900
[  440.953663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.959205]  cache_grow_begin+0xa5/0x8c0
[  440.963265]  ? do_raw_spin_unlock+0xa7/0x330
[  440.967710]  fallback_alloc+0x204/0x2e0
[  440.971691]  ____cache_alloc_node+0x1c7/0x1e0
[  440.976192]  kmem_cache_alloc_node+0xe3/0x730
[  440.980702]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.985291]  __alloc_skb+0x119/0x770
[  440.989008]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  440.994375]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.998806]  ? vprintk_default+0x28/0x30
[  441.002879]  ? vprintk_func+0x85/0x181
[  441.006768]  ? printk+0xa7/0xcf
[  441.010050]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  441.014816]  new_skb+0x26/0x1c0
[  441.018096]  aoecmd_cfg+0x279/0x7f0
[  441.021728]  ? find_held_lock+0x36/0x1c0
[  441.025810]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  441.030137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.035688]  ? __lock_is_held+0xb5/0x140
[  441.039775]  discover_timer+0x50/0x60
[  441.043574]  call_timer_fn+0x272/0x920
[  441.047463]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  441.052306]  ? process_timeout+0x40/0x40
[  441.056373]  ? __run_timers+0x7da/0xc70
[  441.060474]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.064971]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.069470]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  441.074317]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.078904]  ? trace_hardirqs_on+0xbd/0x310
[  441.083232]  ? kasan_check_read+0x11/0x20
[  441.087377]  ? __run_timers+0x7da/0xc70
[  441.091359]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.096474]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  441.101316]  __run_timers+0x7e5/0xc70
[  441.105129]  ? timer_fixup_init+0x70/0x70
[  441.109281]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.113775]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.118274]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.122863]  ? trace_hardirqs_on+0xbd/0x310
[  441.127200]  ? kasan_check_read+0x11/0x20
[  441.131365]  ? finish_task_switch+0x1f4/0x910
[  441.135873]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.140977]  ? compat_start_thread+0x80/0x80
[  441.145416]  ? pvclock_read_flags+0x160/0x160
[  441.149925]  ? __switch_to_asm+0x34/0x70
[  441.153993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.159562]  ? check_preemption_disabled+0x48/0x280
[  441.164594]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  441.170137]  ? rcu_pm_notify+0xc0/0xc0
[  441.174029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.179570]  ? check_preemption_disabled+0x48/0x280
[  441.184595]  run_timer_softirq+0x52/0xb0
[  441.188656]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.193694]  __do_softirq+0x308/0xb7e
[  441.197517]  ? retint_kernel+0x2d/0x2d
[  441.201416]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.206524]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  441.212019]  ? retint_kernel+0x2d/0x2d
[  441.215911]  ? schedule+0x108/0x460
[  441.219556]  ? trace_hardirqs_off+0xb8/0x310
[  441.223970]  ? smpboot_thread_fn+0x68b/0xa00
[  441.228401]  ? trace_hardirqs_on+0x310/0x310
[  441.232827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.238416]  ? check_preemption_disabled+0x48/0x280
[  441.243467]  ? takeover_tasklets+0xa90/0xa90
[  441.247893]  run_ksoftirqd+0x5e/0x100
[  441.251700]  smpboot_thread_fn+0x68b/0xa00
[  441.255940]  ? sort_range+0x30/0x30
[  441.259565]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.264688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.270225]  ? __kthread_parkme+0xfb/0x1a0
[  441.274482]  ? sort_range+0x30/0x30
[  441.278125]  kthread+0x35a/0x440
[  441.281492]  ? kthread_stop+0x900/0x900
[  441.285472]  ret_from_fork+0x3a/0x50
[  441.289213] warn_alloc_show_mem: 1 callbacks suppressed
[  441.289225] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  441.289227] Mem-Info:
[  441.289260] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  441.289260]  active_file:133 inactive_file:117 isolated_file:0
[  441.289260]  unevictable:0 dirty:3 writeback:0 unstable:0
[  441.289260]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  441.289260]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  441.289260]  free:13727 free_pcp:164 free_cma:0
[  441.294590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.294598] Call Trace:
[  441.301965] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  441.304368]  <IRQ>
[  441.337581] 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
[  441.346938]  dump_stack+0x244/0x39d
[  441.349496] lowmem_reserve[]: 0 2818 6321 6321
[  441.377282]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.379415] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  441.405525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.409125] lowmem_reserve[]: 0 0 3503 3503
[  441.413708]  warn_alloc.cold.116+0xb7/0x1bd
[  441.418867] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  441.446452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.451962] lowmem_reserve[]: 0 0 0 0
[  441.456278]  ? lock_downgrade+0x900/0x900
[  441.460573] 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
[  441.489804]  ? trace_hardirqs_off+0xb8/0x310
[  441.494620] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  441.498425]  ? trace_hardirqs_off+0xb8/0x310
[  441.502541] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  441.516064]  __alloc_pages_slowpath+0x2651/0x2de0
[  441.520449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  441.535801]  ? warn_alloc+0x120/0x120
[  441.540180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  441.553693]  ? print_usage_bug+0xc0/0xc0
[  441.558515] 2220 total pagecache pages
[  441.567341]  ? warn_alloc+0x120/0x120
[  441.571123] 0 pages in swap cache
[  441.579700]  ? warn_alloc+0x120/0x120
[  441.583739] Swap cache stats: add 0, delete 0, find 0/0
[  441.587619]  ? print_usage_bug+0xc0/0xc0
[  441.591406] Free swap  = 0kB
[  441.594860]  ? kvm_clock_read+0x18/0x30
[  441.598646] Total swap = 0kB
[  441.604001]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  441.608034] 1965979 pages RAM
[  441.611061]  ? print_usage_bug+0xc0/0xc0
[  441.615010] 0 pages HighMem/MovableOnly
[  441.618027]  ? __lock_acquire+0x62f/0x4c20
[  441.623021] 342854 pages reserved
[  441.626122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.630158] 0 pages cma reserved
[  441.634129]  ? should_fail+0x22d/0xd01
[  441.638433] aoe: skb alloc failure
[  441.641779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.641798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.641815]  ? __lock_acquire+0x62f/0x4c20
[  441.647356] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.650688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.654554] ksoftirqd/1 cpuset=/ mems_allowed=0
[  441.658082]  ? __lock_acquire+0x62f/0x4c20
[  441.658098]  ? should_fail+0x22d/0xd01
[  441.700788]  ? rcu_irq_exit+0x1a2/0x390
[  441.704771]  ? mark_held_locks+0x130/0x130
[  441.709011]  ? mark_held_locks+0x130/0x130
[  441.713253]  ? mark_held_locks+0xc7/0x130
[  441.717424]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  441.722450]  ? zap_class+0x640/0x640
[  441.726168]  ? print_usage_bug+0xc0/0xc0
[  441.730233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.735776]  ? check_preemption_disabled+0x48/0x280
[  441.740807]  ? __lock_is_held+0xb5/0x140
[  441.744879]  __alloc_pages_nodemask+0xad8/0xea0
[  441.749581]  ? zap_class+0x640/0x640
[  441.753301]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  441.758330]  ? find_held_lock+0x36/0x1c0
[  441.762412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.767103]  ? lock_downgrade+0x900/0x900
[  441.771256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.776797]  cache_grow_begin+0xa5/0x8c0
[  441.780858]  ? do_raw_spin_unlock+0xa7/0x330
[  441.785302]  fallback_alloc+0x204/0x2e0
[  441.789282]  ____cache_alloc_node+0x1c7/0x1e0
[  441.793787]  kmem_cache_alloc_node+0xe3/0x730
[  441.798288]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.802536]  __alloc_skb+0x119/0x770
[  441.806250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.811531]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.815943]  ? lock_downgrade+0x900/0x900
[  441.820101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.825655]  ? refcount_sub_and_test_checked+0x203/0x310
[  441.831109]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  441.836563]  ? addrconf_rs_timer+0x690/0x690
[  441.840983]  ndisc_alloc_skb+0x144/0x340
[  441.845049]  ndisc_send_rs+0x331/0x6e0
[  441.848944]  addrconf_rs_timer+0x314/0x690
[  441.853191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.857449]  call_timer_fn+0x272/0x920
[  441.861339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.865575]  ? process_timeout+0x40/0x40
[  441.869643]  ? __run_timers+0x7da/0xc70
[  441.873624]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.878117]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.882626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.886890]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.891509]  ? trace_hardirqs_on+0xbd/0x310
[  441.895855]  ? kasan_check_read+0x11/0x20
[  441.899999]  ? __run_timers+0x7da/0xc70
[  441.903976]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.909081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.913326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.917572]  __run_timers+0x7e5/0xc70
[  441.921380]  ? timer_fixup_init+0x70/0x70
[  441.925536]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.930554]  ? zap_class+0x640/0x640
[  441.934271]  ? enqueue_hrtimer+0x1a5/0x560
[  441.938510]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.943706]  ? find_held_lock+0x36/0x1c0
[  441.947775]  ? zap_class+0x640/0x640
[  441.951497]  ? pvclock_read_flags+0x160/0x160
[  441.955996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.961534]  ? check_preemption_disabled+0x48/0x280
[  441.966576]  ? __lock_is_held+0xb5/0x140
[  441.970638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.976239]  ? check_preemption_disabled+0x48/0x280
[  441.981286]  run_timer_softirq+0x52/0xb0
[  441.985347]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.990366]  __do_softirq+0x308/0xb7e
[  441.994196]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.998714]  ? lock_downgrade+0x900/0x900
[  442.002911]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.008024]  ? pvclock_read_flags+0x160/0x160
[  442.012521]  ? lapic_next_event+0x5a/0x90
[  442.016672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.022217]  ? kvm_clock_read+0x18/0x30
[  442.026188]  ? kvm_sched_clock_read+0x9/0x20
[  442.030612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.036152]  ? check_preemption_disabled+0x48/0x280
[  442.041177]  irq_exit+0x17f/0x1c0
[  442.044652]  smp_apic_timer_interrupt+0x1cb/0x760
[  442.049493]  ? smp_reschedule_interrupt+0x109/0x650
[  442.054511]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.060392]  ? interrupt_entry+0xb5/0xc0
[  442.064487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.069504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.074526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.079383]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.084437]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.089458]  ? task_prio+0x50/0x50
[  442.092999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.098542]  ? check_preemption_disabled+0x48/0x280
[  442.103562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.108424]  apic_timer_interrupt+0xf/0x20
[  442.112655]  </IRQ>
[  442.114895] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  442.119824] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  442.138723] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  442.146436] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  442.153705] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  442.160986] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  442.168250] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  442.175521] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  442.182824]  skb_clone+0x1bb/0x500
[  442.186368]  ? skb_split+0x11e0/0x11e0
[  442.190267]  ? preempt_notifier_register+0x200/0x200
[  442.195493]  ? __switch_to_asm+0x34/0x70
[  442.199640]  ? __switch_to_asm+0x34/0x70
[  442.203700]  ? __switch_to_asm+0x40/0x70
[  442.207774]  ? __switch_to_asm+0x34/0x70
[  442.211835]  ? __switch_to_asm+0x40/0x70
[  442.215894]  ? __switch_to_asm+0x40/0x70
[  442.219951]  ? __switch_to_asm+0x34/0x70
[  442.224014]  ? __switch_to_asm+0x34/0x70
[  442.228071]  ? __switch_to_asm+0x40/0x70
[  442.232148]  ? __switch_to_asm+0x34/0x70
[  442.236213]  bpf_clone_redirect+0xb9/0x490
[  442.240478]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  442.245502]  ? __sched_text_start+0x8/0x8
[  442.249654]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  442.254448]  ? find_held_lock+0x36/0x1c0
[  442.258522]  ? lock_acquire+0x1ed/0x520
[  442.262496]  ? bpf_test_run+0x3ee/0x7a0
[  442.266478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.272014]  ? check_preemption_disabled+0x48/0x280
[  442.277039]  ? kasan_check_read+0x11/0x20
[  442.281189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.286470]  ? rcu_softirq_qs+0x20/0x20
[  442.290453]  ? preempt_schedule+0x4d/0x60
[  442.294699]  ? ___preempt_schedule+0x16/0x18
[  442.299126]  ? bpf_test_run+0x271/0x7a0
[  442.303111]  ? netlink_diag_dump+0x2a0/0x2a0
[  442.307525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.313059]  ? bpf_test_init.isra.10+0x70/0x100
[  442.317735]  ? bpf_prog_test_run_skb+0x762/0xd60
[  442.322503]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  442.327352]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  442.332889]  ? fput+0x130/0x1a0
[  442.336175]  ? __bpf_prog_get+0x9b/0x290
[  442.340267]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  442.345114]  ? bpf_prog_test_run+0x130/0x1a0
[  442.349528]  ? __x64_sys_bpf+0x3d8/0x520
[  442.353594]  ? bpf_prog_get+0x20/0x20
[  442.357443]  ? do_syscall_64+0x1b9/0x820
[  442.361504]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  442.366871]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.371816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.376663]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.381682]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  442.386706]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.391734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.396583]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  442.401967] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  442.402036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  442.408893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.408902] Call Trace:
[  442.415505] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.424736]  dump_stack+0x244/0x39d
[  442.427298] syz-executor2 cpuset=syz2 mems_allowed=0
[  442.437802]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.451683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.457236]  warn_alloc.cold.116+0xb7/0x1bd
[  442.461559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.466415]  ? lock_downgrade+0x900/0x900
[  442.470570]  ? trace_hardirqs_off+0xb8/0x310
[  442.474985]  ? trace_hardirqs_off+0xb8/0x310
[  442.479411]  __alloc_pages_slowpath+0x2651/0x2de0
[  442.484282]  ? warn_alloc+0x120/0x120
[  442.488092]  ? warn_alloc+0x120/0x120
[  442.491896]  ? warn_alloc+0x120/0x120
[  442.495703]  ? print_usage_bug+0xc0/0xc0
[  442.499768]  ? print_usage_bug+0xc0/0xc0
[  442.503827]  ? mark_held_locks+0x130/0x130
[  442.508061]  ? mark_held_locks+0x130/0x130
[  442.512301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.517836]  ? should_fail+0x22d/0xd01
[  442.521737]  ? zap_class+0x640/0x640
[  442.525469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.530577]  ? __lock_acquire+0x62f/0x4c20
[  442.534835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.539942]  ? __lock_acquire+0x62f/0x4c20
[  442.544194]  ? should_fail+0x22d/0xd01
[  442.548097]  ? mark_held_locks+0x130/0x130
[  442.552335]  ? mark_held_locks+0x130/0x130
[  442.556564]  ? lock_downgrade+0x900/0x900
[  442.560729]  ? zap_class+0x640/0x640
[  442.564460]  ? zap_class+0x640/0x640
[  442.568189]  ? zap_class+0x640/0x640
[  442.571897]  ? do_raw_spin_unlock+0xa7/0x330
[  442.576312]  ? trace_hardirqs_on+0x310/0x310
[  442.580719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.586275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.591850]  ? check_preemption_disabled+0x48/0x280
[  442.596876]  ? __lock_is_held+0xb5/0x140
[  442.600949]  __alloc_pages_nodemask+0xad8/0xea0
[  442.605615]  ? zap_class+0x640/0x640
[  442.609335]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  442.614373]  ? find_held_lock+0x36/0x1c0
[  442.618457]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.623133]  ? lock_downgrade+0x900/0x900
[  442.627292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.632838]  cache_grow_begin+0xa5/0x8c0
[  442.636962]  ? do_raw_spin_unlock+0xa7/0x330
[  442.641400]  fallback_alloc+0x204/0x2e0
[  442.645420]  ____cache_alloc_node+0x1c7/0x1e0
[  442.649954]  kmem_cache_alloc_node+0xe3/0x730
[  442.654452]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.659045]  __alloc_skb+0x119/0x770
[  442.662782]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  442.668195]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.672629]  ? vprintk_default+0x28/0x30
[  442.676690]  ? vprintk_func+0x85/0x181
[  442.680579]  ? printk+0xa7/0xcf
[  442.683859]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  442.688630]  new_skb+0x26/0x1c0
[  442.691913]  aoecmd_cfg+0x279/0x7f0
[  442.695549]  ? find_held_lock+0x36/0x1c0
[  442.699618]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  442.703954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.709509]  ? __lock_is_held+0xb5/0x140
[  442.713584]  discover_timer+0x50/0x60
[  442.717385]  call_timer_fn+0x272/0x920
[  442.721285]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.726128]  ? process_timeout+0x40/0x40
[  442.730229]  ? __run_timers+0x7da/0xc70
[  442.734206]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.738704]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.743212]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.748103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.752690]  ? trace_hardirqs_on+0xbd/0x310
[  442.757028]  ? kasan_check_read+0x11/0x20
[  442.761201]  ? __run_timers+0x7da/0xc70
[  442.765187]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.770306]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.775145]  __run_timers+0x7e5/0xc70
[  442.778964]  ? timer_fixup_init+0x70/0x70
[  442.783124]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.787616]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.792114]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.796697]  ? trace_hardirqs_on+0xbd/0x310
[  442.801019]  ? kasan_check_read+0x11/0x20
[  442.805202]  ? finish_task_switch+0x1f4/0x910
[  442.809699]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.814818]  ? compat_start_thread+0x80/0x80
[  442.819251]  ? pvclock_read_flags+0x160/0x160
[  442.823747]  ? __switch_to_asm+0x34/0x70
[  442.827810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.833350]  ? check_preemption_disabled+0x48/0x280
[  442.838375]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  442.843951]  ? rcu_pm_notify+0xc0/0xc0
[  442.847843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.853381]  ? check_preemption_disabled+0x48/0x280
[  442.858416]  run_timer_softirq+0x52/0xb0
[  442.862493]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.867510]  __do_softirq+0x308/0xb7e
[  442.871315]  ? retint_kernel+0x2d/0x2d
[  442.875208]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.880308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  442.885759]  ? retint_kernel+0x2d/0x2d
[  442.889654]  ? schedule+0x108/0x460
[  442.893296]  ? trace_hardirqs_off+0xb8/0x310
[  442.897708]  ? smpboot_thread_fn+0x68b/0xa00
[  442.902118]  ? trace_hardirqs_on+0x310/0x310
[  442.906530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.912073]  ? check_preemption_disabled+0x48/0x280
[  442.917119]  ? takeover_tasklets+0xa90/0xa90
[  442.921540]  run_ksoftirqd+0x5e/0x100
[  442.925340]  smpboot_thread_fn+0x68b/0xa00
[  442.929578]  ? sort_range+0x30/0x30
[  442.933210]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.938317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.943856]  ? __kthread_parkme+0xfb/0x1a0
[  442.948093]  ? sort_range+0x30/0x30
[  442.951724]  kthread+0x35a/0x440
[  442.955105]  ? kthread_stop+0x900/0x900
[  442.959078]  ret_from_fork+0x3a/0x50
[  442.962819] warn_alloc_show_mem: 1 callbacks suppressed
[  442.962831] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  442.962833] Mem-Info:
[  442.962866] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  442.962866]  active_file:133 inactive_file:117 isolated_file:0
[  442.962866]  unevictable:0 dirty:3 writeback:0 unstable:0
[  442.962866]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  442.962866]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  442.962866]  free:13727 free_pcp:164 free_cma:0
[  442.968194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.968202] Call Trace:
[  442.975570] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  442.977966]  <IRQ>
[  443.011177] 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
[  443.020527]  dump_stack+0x244/0x39d
[  443.023101] lowmem_reserve[]: 0 2818 6321 6321
[  443.050873]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.052999] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  443.079575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.083182] lowmem_reserve[]: 0 0 3503 3503
[  443.087765]  warn_alloc.cold.116+0xb7/0x1bd
[  443.092923] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  443.120515]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.126023] lowmem_reserve[]: 0 0 0 0
[  443.130355]  ? lock_downgrade+0x900/0x900
[  443.134665] 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
[  443.163897]  ? trace_hardirqs_off+0xb8/0x310
[  443.168716] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  443.172513]  ? trace_hardirqs_off+0xb8/0x310
[  443.176634] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  443.190153]  __alloc_pages_slowpath+0x2651/0x2de0
[  443.194556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  443.209910]  ? warn_alloc+0x120/0x120
[  443.214281] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  443.227794]  ? warn_alloc+0x120/0x120
[  443.232610] 2220 total pagecache pages
[  443.241443]  ? warn_alloc+0x120/0x120
[  443.245223] 0 pages in swap cache
[  443.253784]  ? print_usage_bug+0xc0/0xc0
[  443.257578] Swap cache stats: add 0, delete 0, find 0/0
[  443.261455]  ? print_usage_bug+0xc0/0xc0
[  443.265278] Free swap  = 0kB
[  443.265291] Total swap = 0kB
[  443.268750]  ? zap_class+0x640/0x640
[  443.272787] 1965979 pages RAM
[  443.278144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.282180] 0 pages HighMem/MovableOnly
[  443.285193]  ? should_fail+0x22d/0xd01
[  443.288185] 342854 pages reserved
[  443.291894]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.294992] 0 pages cma reserved
[  443.300538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.304551] aoe: skb alloc failure
[  443.308384]  ? __lock_acquire+0x62f/0x4c20
[  443.311861] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.317003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.320347] ksoftirqd/1 cpuset=/ mems_allowed=0
[  443.325444]  ? should_fail+0x22d/0xd01
[  443.357099]  ? mark_held_locks+0x130/0x130
[  443.361336]  ? mark_held_locks+0x130/0x130
[  443.365571]  ? print_usage_bug+0xc0/0xc0
[  443.369637]  ? find_held_lock+0x36/0x1c0
[  443.373702]  ? zap_class+0x640/0x640
[  443.377432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.382974]  ? check_preemption_disabled+0x48/0x280
[  443.388003]  ? __lock_is_held+0xb5/0x140
[  443.392072]  __alloc_pages_nodemask+0xad8/0xea0
[  443.396742]  ? zap_class+0x640/0x640
[  443.400462]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  443.405490]  ? find_held_lock+0x36/0x1c0
[  443.409575]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.414262]  ? lock_downgrade+0x900/0x900
[  443.418435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.423979]  cache_grow_begin+0xa5/0x8c0
[  443.428038]  ? do_raw_spin_unlock+0xa7/0x330
[  443.432459]  fallback_alloc+0x204/0x2e0
[  443.436477]  ____cache_alloc_node+0x1c7/0x1e0
[  443.440981]  kmem_cache_alloc_node+0xe3/0x730
[  443.445495]  ? mark_held_locks+0xc7/0x130
[  443.449656]  __alloc_skb+0x119/0x770
[  443.453377]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.457799]  ? do_raw_spin_trylock+0x270/0x270
[  443.462382]  ? kmem_cache_alloc_trace+0x353/0x750
[  443.467237]  ? queue_work_on+0x12c/0x1e0
[  443.471304]  ? switchdev_port_obj_del+0xdc/0x440
[  443.476063]  ? switchdev_trans_item_enqueue+0x260/0x260
[  443.481444]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.486475]  __br_mdb_notify+0x4ff/0x15d0
[  443.490625]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.495743]  ? __br_mdb_add+0x7f0/0x7f0
[  443.499722]  ? mark_held_locks+0x130/0x130
[  443.504005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  443.509118]  ? debug_object_assert_init+0x368/0x4b0
[  443.514128]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.519235]  ? debug_object_init_on_stack+0x20/0x20
[  443.524246]  ? zap_class+0x640/0x640
[  443.527965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.533510]  br_mdb_notify+0x310/0x410
[  443.537410]  ? br_mdb_dump+0x27b0/0x27b0
[  443.541499]  br_multicast_del_pg+0x3df/0x790
[  443.545929]  ? br_mdb_ip_get+0x940/0x940
[  443.549990]  ? rwlock_bug.part.2+0x90/0x90
[  443.554231]  ? __lock_is_held+0xb5/0x140
[  443.558316]  br_multicast_port_group_expired+0x189/0x1e0
[  443.563787]  call_timer_fn+0x272/0x920
[  443.567674]  ? br_multicast_del_pg+0x790/0x790
[  443.572258]  ? process_timeout+0x40/0x40
[  443.576331]  ? __run_timers+0x7da/0xc70
[  443.580308]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.584800]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.589294]  ? br_multicast_del_pg+0x790/0x790
[  443.593880]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.598464]  ? trace_hardirqs_on+0xbd/0x310
[  443.602784]  ? kasan_check_read+0x11/0x20
[  443.606935]  ? __run_timers+0x7da/0xc70
[  443.610933]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.616056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.620298]  ? br_multicast_del_pg+0x790/0x790
[  443.624877]  __run_timers+0x7e5/0xc70
[  443.628691]  ? timer_fixup_init+0x70/0x70
[  443.632844]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.637862]  ? zap_class+0x640/0x640
[  443.641592]  ? enqueue_hrtimer+0x1a5/0x560
[  443.645832]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.651028]  ? find_held_lock+0x36/0x1c0
[  443.655093]  ? zap_class+0x640/0x640
[  443.658808]  ? pvclock_read_flags+0x160/0x160
[  443.663309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.668851]  ? check_preemption_disabled+0x48/0x280
[  443.673896]  ? __lock_is_held+0xb5/0x140
[  443.677958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.683526]  ? check_preemption_disabled+0x48/0x280
[  443.688556]  run_timer_softirq+0x52/0xb0
[  443.692616]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.697632]  __do_softirq+0x308/0xb7e
[  443.701458]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.705956]  ? lock_downgrade+0x900/0x900
[  443.710141]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.715268]  ? pvclock_read_flags+0x160/0x160
[  443.719782]  ? lapic_next_event+0x5a/0x90
[  443.723946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.729488]  ? kvm_clock_read+0x18/0x30
[  443.733462]  ? kvm_sched_clock_read+0x9/0x20
[  443.737890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.743448]  ? check_preemption_disabled+0x48/0x280
[  443.748486]  irq_exit+0x17f/0x1c0
[  443.751968]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.756816]  ? smp_reschedule_interrupt+0x109/0x650
[  443.761835]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.767748]  ? interrupt_entry+0xb5/0xc0
[  443.771833]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.776865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.781880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.786724]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.791744]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.796759]  ? task_prio+0x50/0x50
[  443.800300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.805837]  ? check_preemption_disabled+0x48/0x280
[  443.810859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.815712]  apic_timer_interrupt+0xf/0x20
[  443.819939]  </IRQ>
[  443.822179] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  443.827110] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  443.846117] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  443.853829] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  443.861096] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  443.868364] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  443.875639] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  443.882905] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  443.890218]  skb_clone+0x1bb/0x500
[  443.893764]  ? skb_split+0x11e0/0x11e0
[  443.897659]  ? preempt_notifier_register+0x200/0x200
[  443.902762]  ? __switch_to_asm+0x34/0x70
[  443.906821]  ? __switch_to_asm+0x34/0x70
[  443.910880]  ? __switch_to_asm+0x40/0x70
[  443.914938]  ? __switch_to_asm+0x34/0x70
[  443.918998]  ? __switch_to_asm+0x40/0x70
[  443.923069]  ? __switch_to_asm+0x40/0x70
[  443.927141]  ? __switch_to_asm+0x34/0x70
[  443.931202]  ? __switch_to_asm+0x34/0x70
[  443.935268]  ? __switch_to_asm+0x40/0x70
[  443.939326]  ? __switch_to_asm+0x34/0x70
[  443.943405]  bpf_clone_redirect+0xb9/0x490
[  443.947657]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  443.952678]  ? __sched_text_start+0x8/0x8
[  443.956828]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.961610]  ? find_held_lock+0x36/0x1c0
[  443.965688]  ? lock_acquire+0x1ed/0x520
[  443.969664]  ? bpf_test_run+0x3ee/0x7a0
[  443.973638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.979185]  ? check_preemption_disabled+0x48/0x280
[  443.984208]  ? kasan_check_read+0x11/0x20
[  443.988369]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.993649]  ? rcu_softirq_qs+0x20/0x20
[  443.997627]  ? preempt_schedule+0x4d/0x60
[  444.001779]  ? ___preempt_schedule+0x16/0x18
[  444.006226]  ? bpf_test_run+0x271/0x7a0
[  444.010213]  ? netlink_diag_dump+0x2a0/0x2a0
[  444.014623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.020163]  ? bpf_test_init.isra.10+0x70/0x100
[  444.024838]  ? bpf_prog_test_run_skb+0x762/0xd60
[  444.029606]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  444.034473]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  444.040006]  ? fput+0x130/0x1a0
[  444.043289]  ? __bpf_prog_get+0x9b/0x290
[  444.047371]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  444.052241]  ? bpf_prog_test_run+0x130/0x1a0
[  444.056653]  ? __x64_sys_bpf+0x3d8/0x520
[  444.060718]  ? bpf_prog_get+0x20/0x20
[  444.064563]  ? do_syscall_64+0x1b9/0x820
[  444.068624]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  444.073995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.078921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.083764]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.088813]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  444.093848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  444.098886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.103735]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  444.109118] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  444.109273] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.116051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.126517] syz-executor2 cpuset=syz2 mems_allowed=0
[  444.135861] Call Trace:
[  444.143534]  dump_stack+0x244/0x39d
[  444.147169]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.152378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.157935]  warn_alloc.cold.116+0xb7/0x1bd
[  444.162279]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.167127]  ? lock_downgrade+0x900/0x900
[  444.171288]  ? trace_hardirqs_off+0xb8/0x310
[  444.175707]  ? trace_hardirqs_off+0xb8/0x310
[  444.180123]  __alloc_pages_slowpath+0x2651/0x2de0
[  444.184998]  ? warn_alloc+0x120/0x120
[  444.188804]  ? warn_alloc+0x120/0x120
[  444.193122]  ? warn_alloc+0x120/0x120
[  444.196933]  ? print_usage_bug+0xc0/0xc0
[  444.201001]  ? print_usage_bug+0xc0/0xc0
[  444.205060]  ? mark_held_locks+0x130/0x130
[  444.209298]  ? mark_held_locks+0x130/0x130
[  444.213541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.219082]  ? should_fail+0x22d/0xd01
[  444.222969]  ? zap_class+0x640/0x640
[  444.226691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.231798]  ? __lock_acquire+0x62f/0x4c20
[  444.236038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.241142]  ? __lock_acquire+0x62f/0x4c20
[  444.245377]  ? should_fail+0x22d/0xd01
[  444.249317]  ? mark_held_locks+0x130/0x130
[  444.253557]  ? mark_held_locks+0x130/0x130
[  444.257795]  ? lock_downgrade+0x900/0x900
[  444.261950]  ? zap_class+0x640/0x640
[  444.265670]  ? zap_class+0x640/0x640
[  444.269387]  ? do_raw_spin_unlock+0xa7/0x330
[  444.273808]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  444.278570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.284110]  ? check_preemption_disabled+0x48/0x280
[  444.289139]  ? __lock_is_held+0xb5/0x140
[  444.293235]  __alloc_pages_nodemask+0xad8/0xea0
[  444.297939]  ? zap_class+0x640/0x640
[  444.301659]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  444.306690]  ? find_held_lock+0x36/0x1c0
[  444.310767]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.315441]  ? lock_downgrade+0x900/0x900
[  444.319598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.325144]  cache_grow_begin+0xa5/0x8c0
[  444.329210]  ? do_raw_spin_unlock+0xa7/0x330
[  444.333629]  fallback_alloc+0x204/0x2e0
[  444.337610]  ____cache_alloc_node+0x1c7/0x1e0
[  444.342113]  kmem_cache_alloc_node+0xe3/0x730
[  444.346626]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.351221]  __alloc_skb+0x119/0x770
[  444.354938]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  444.360308]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.364722]  ? vprintk_default+0x28/0x30
[  444.368783]  ? vprintk_func+0x85/0x181
[  444.372686]  ? printk+0xa7/0xcf
[  444.375970]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  444.380739]  new_skb+0x26/0x1c0
[  444.384021]  aoecmd_cfg+0x279/0x7f0
[  444.387651]  ? find_held_lock+0x36/0x1c0
[  444.391716]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  444.396042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.401591]  ? __lock_is_held+0xb5/0x140
[  444.405663]  discover_timer+0x50/0x60
[  444.409473]  call_timer_fn+0x272/0x920
[  444.413363]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  444.418215]  ? process_timeout+0x40/0x40
[  444.422288]  ? __run_timers+0x7da/0xc70
[  444.426265]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.430759]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.435259]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  444.440104]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.444688]  ? trace_hardirqs_on+0xbd/0x310
[  444.449013]  ? kasan_check_read+0x11/0x20
[  444.453174]  ? __run_timers+0x7da/0xc70
[  444.457153]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.462269]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  444.467113]  __run_timers+0x7e5/0xc70
[  444.470930]  ? timer_fixup_init+0x70/0x70
[  444.475078]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.479572]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.484072]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.488656]  ? trace_hardirqs_on+0xbd/0x310
[  444.493008]  ? kasan_check_read+0x11/0x20
[  444.497175]  ? finish_task_switch+0x1f4/0x910
[  444.501673]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.506777]  ? compat_start_thread+0x80/0x80
[  444.511208]  ? pvclock_read_flags+0x160/0x160
[  444.515701]  ? __switch_to_asm+0x34/0x70
[  444.519765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.525318]  ? check_preemption_disabled+0x48/0x280
[  444.530350]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  444.535900]  ? rcu_pm_notify+0xc0/0xc0
[  444.539809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.545348]  ? check_preemption_disabled+0x48/0x280
[  444.550369]  run_timer_softirq+0x52/0xb0
[  444.554450]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.559474]  __do_softirq+0x308/0xb7e
[  444.563305]  ? retint_kernel+0x2d/0x2d
[  444.567202]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.572309]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  444.577774]  ? retint_kernel+0x2d/0x2d
[  444.581681]  ? schedule+0x108/0x460
[  444.585315]  ? trace_hardirqs_off+0xb8/0x310
[  444.589724]  ? smpboot_thread_fn+0x68b/0xa00
[  444.594136]  ? trace_hardirqs_on+0x310/0x310
[  444.598551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.604089]  ? check_preemption_disabled+0x48/0x280
[  444.609109]  ? takeover_tasklets+0xa90/0xa90
[  444.613519]  run_ksoftirqd+0x5e/0x100
[  444.617322]  smpboot_thread_fn+0x68b/0xa00
[  444.621565]  ? sort_range+0x30/0x30
[  444.625194]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.630298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.635841]  ? __kthread_parkme+0xfb/0x1a0
[  444.640099]  ? sort_range+0x30/0x30
[  444.643730]  kthread+0x35a/0x440
[  444.647100]  ? kthread_stop+0x900/0x900
[  444.651075]  ret_from_fork+0x3a/0x50
[  444.654820] warn_alloc_show_mem: 1 callbacks suppressed
[  444.654832] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  444.654834] Mem-Info:
[  444.654865] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  444.654865]  active_file:133 inactive_file:117 isolated_file:0
[  444.654865]  unevictable:0 dirty:3 writeback:0 unstable:0
[  444.654865]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  444.654865]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  444.654865]  free:13727 free_pcp:164 free_cma:0
[  444.660226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.660234] Call Trace:
[  444.667626] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  444.670022]  <IRQ>
[  444.703233] 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
[  444.712586]  dump_stack+0x244/0x39d
[  444.715149] lowmem_reserve[]: 0 2818 6321 6321
[  444.742903]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.745033] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  444.771149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.774750] lowmem_reserve[]: 0 0 3503 3503
[  444.779331]  warn_alloc.cold.116+0xb7/0x1bd
[  444.784494] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  444.812076]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.817591] lowmem_reserve[]: 0 0 0 0
[  444.821906]  ? lock_downgrade+0x900/0x900
[  444.826210] 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
[  444.855444]  ? trace_hardirqs_off+0xb8/0x310
[  444.860260] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  444.864055]  ? trace_hardirqs_off+0xb8/0x310
[  444.868191] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  444.881708]  __alloc_pages_slowpath+0x2651/0x2de0
[  444.886091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  444.901455]  ? warn_alloc+0x120/0x120
[  444.905820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  444.919326]  ? warn_alloc+0x120/0x120
[  444.924143] 2220 total pagecache pages
[  444.932982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  444.936774] 0 pages in swap cache
[  444.945337]  ? warn_alloc+0x120/0x120
[  444.949120] Swap cache stats: add 0, delete 0, find 0/0
[  444.952995]  ? print_usage_bug+0xc0/0xc0
[  444.958000] Free swap  = 0kB
[  444.961449]  ? print_usage_bug+0xc0/0xc0
[  444.965226] Total swap = 0kB
[  444.970580]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  444.974613] 1965979 pages RAM
[  444.977626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.981657] 0 pages HighMem/MovableOnly
[  444.984671]  ? should_fail+0x22d/0xd01
[  444.989834] 342854 pages reserved
[  444.992953]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.998464] 0 pages cma reserved
[  445.002431]  ? __lock_acquire+0x62f/0x4c20
[  445.006425] aoe: skb alloc failure
[  445.009791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.009805]  ? should_fail+0x22d/0xd01
[  445.009830]  ? mark_held_locks+0x130/0x130
[  445.014934] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.018260]  ? mark_held_locks+0x130/0x130
[  445.022501] ksoftirqd/1 cpuset=/ mems_allowed=0
[  445.026051]  ? print_usage_bug+0xc0/0xc0
[  445.062941]  ? find_held_lock+0x36/0x1c0
[  445.067009]  ? zap_class+0x640/0x640
[  445.070762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.076320]  ? check_preemption_disabled+0x48/0x280
[  445.081347]  ? __lock_is_held+0xb5/0x140
[  445.085431]  __alloc_pages_nodemask+0xad8/0xea0
[  445.090116]  ? zap_class+0x640/0x640
[  445.093836]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  445.098863]  ? find_held_lock+0x36/0x1c0
[  445.102953]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.107642]  ? lock_downgrade+0x900/0x900
[  445.111798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.117344]  cache_grow_begin+0xa5/0x8c0
[  445.121412]  ? do_raw_spin_unlock+0xa7/0x330
[  445.125839]  fallback_alloc+0x204/0x2e0
[  445.129820]  ____cache_alloc_node+0x1c7/0x1e0
[  445.134323]  kmem_cache_alloc_node+0xe3/0x730
[  445.138822]  ? mark_held_locks+0xc7/0x130
[  445.142980]  __alloc_skb+0x119/0x770
[  445.146702]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.151109]  ? do_raw_spin_trylock+0x270/0x270
[  445.155697]  ? kmem_cache_alloc_trace+0x353/0x750
[  445.160549]  ? queue_work_on+0x12c/0x1e0
[  445.164621]  ? switchdev_port_obj_del+0xdc/0x440
[  445.169385]  ? switchdev_trans_item_enqueue+0x260/0x260
[  445.174786]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  445.179810]  __br_mdb_notify+0x4ff/0x15d0
[  445.183957]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  445.189069]  ? __br_mdb_add+0x7f0/0x7f0
[  445.193051]  ? mark_held_locks+0x130/0x130
[  445.197292]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  445.202411]  ? debug_object_assert_init+0x368/0x4b0
[  445.207444]  ? debug_object_init_on_stack+0x20/0x20
[  445.212459]  ? zap_class+0x640/0x640
[  445.216205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.221764]  br_mdb_notify+0x310/0x410
[  445.225657]  ? br_mdb_dump+0x27b0/0x27b0
[  445.229738]  br_multicast_del_pg+0x3df/0x790
[  445.234154]  ? br_mdb_ip_get+0x940/0x940
[  445.238215]  ? rwlock_bug.part.2+0x90/0x90
[  445.242473]  ? __lock_is_held+0xb5/0x140
[  445.246548]  br_multicast_port_group_expired+0x189/0x1e0
[  445.251998]  call_timer_fn+0x272/0x920
[  445.255900]  ? br_multicast_del_pg+0x790/0x790
[  445.260481]  ? process_timeout+0x40/0x40
[  445.264560]  ? __run_timers+0x7da/0xc70
[  445.268550]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.273042]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.277535]  ? br_multicast_del_pg+0x790/0x790
[  445.282137]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.286719]  ? trace_hardirqs_on+0xbd/0x310
[  445.291057]  ? kasan_check_read+0x11/0x20
[  445.295217]  ? __run_timers+0x7da/0xc70
[  445.299193]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.304302]  ? br_multicast_del_pg+0x790/0x790
[  445.308904]  ? br_multicast_del_pg+0x790/0x790
[  445.313485]  __run_timers+0x7e5/0xc70
[  445.317297]  ? timer_fixup_init+0x70/0x70
[  445.321451]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.326478]  ? zap_class+0x640/0x640
[  445.330191]  ? enqueue_hrtimer+0x1a5/0x560
[  445.334463]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.339661]  ? find_held_lock+0x36/0x1c0
[  445.343728]  ? zap_class+0x640/0x640
[  445.347451]  ? pvclock_read_flags+0x160/0x160
[  445.351950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.357491]  ? check_preemption_disabled+0x48/0x280
[  445.362517]  ? __lock_is_held+0xb5/0x140
[  445.366581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.372122]  ? check_preemption_disabled+0x48/0x280
[  445.377148]  run_timer_softirq+0x52/0xb0
[  445.381211]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.386229]  __do_softirq+0x308/0xb7e
[  445.390067]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.394559]  ? lock_downgrade+0x900/0x900
[  445.398715]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.403833]  ? pvclock_read_flags+0x160/0x160
[  445.408332]  ? lapic_next_event+0x5a/0x90
[  445.412488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.418032]  ? kvm_clock_read+0x18/0x30
[  445.422010]  ? kvm_sched_clock_read+0x9/0x20
[  445.426456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.432008]  ? check_preemption_disabled+0x48/0x280
[  445.437035]  irq_exit+0x17f/0x1c0
[  445.440494]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.445345]  ? smp_reschedule_interrupt+0x109/0x650
[  445.450362]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.456257]  ? interrupt_entry+0xb5/0xc0
[  445.460316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.465327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.470348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.475212]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.480228]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.485247]  ? task_prio+0x50/0x50
[  445.488806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.494357]  ? check_preemption_disabled+0x48/0x280
[  445.499373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.504244]  apic_timer_interrupt+0xf/0x20
[  445.508471]  </IRQ>
[  445.510718] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  445.515655] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  445.534557] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  445.542264] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  445.549533] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  445.556800] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  445.564071] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  445.571341] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  445.578645]  skb_clone+0x1bb/0x500
[  445.582186]  ? skb_split+0x11e0/0x11e0
[  445.586076]  ? preempt_notifier_register+0x200/0x200
[  445.591179]  ? __switch_to_asm+0x34/0x70
[  445.595238]  ? __switch_to_asm+0x34/0x70
[  445.599297]  ? __switch_to_asm+0x40/0x70
[  445.603356]  ? __switch_to_asm+0x34/0x70
[  445.607430]  ? __switch_to_asm+0x40/0x70
[  445.611494]  ? __switch_to_asm+0x40/0x70
[  445.615551]  ? __switch_to_asm+0x34/0x70
[  445.619608]  ? __switch_to_asm+0x34/0x70
[  445.623684]  ? __switch_to_asm+0x40/0x70
[  445.627740]  ? __switch_to_asm+0x34/0x70
[  445.631808]  bpf_clone_redirect+0xb9/0x490
[  445.636050]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  445.641068]  ? __sched_text_start+0x8/0x8
[  445.645218]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  445.649988]  ? find_held_lock+0x36/0x1c0
[  445.654059]  ? lock_acquire+0x1ed/0x520
[  445.658033]  ? bpf_test_run+0x3ee/0x7a0
[  445.662011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.667550]  ? check_preemption_disabled+0x48/0x280
[  445.672577]  ? kasan_check_read+0x11/0x20
[  445.676727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.682004]  ? rcu_softirq_qs+0x20/0x20
[  445.685983]  ? preempt_schedule+0x4d/0x60
[  445.690130]  ? ___preempt_schedule+0x16/0x18
[  445.694551]  ? bpf_test_run+0x271/0x7a0
[  445.698544]  ? netlink_diag_dump+0x2a0/0x2a0
[  445.702970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.708520]  ? bpf_test_init.isra.10+0x70/0x100
[  445.713198]  ? bpf_prog_test_run_skb+0x762/0xd60
[  445.717982]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  445.722832]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  445.728373]  ? fput+0x130/0x1a0
[  445.731667]  ? __bpf_prog_get+0x9b/0x290
[  445.735734]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  445.740581]  ? bpf_prog_test_run+0x130/0x1a0
[  445.744996]  ? __x64_sys_bpf+0x3d8/0x520
[  445.749062]  ? bpf_prog_get+0x20/0x20
[  445.752897]  ? do_syscall_64+0x1b9/0x820
[  445.756959]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  445.762325]  ? syscall_return_slowpath+0x5e0/0x5e0
[  445.767252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.772097]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.777131]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  445.782183]  ? prepare_exit_to_usermode+0x291/0x3b0
[  445.787219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.792067]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  445.797454] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  445.797601] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.804391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.814873] syz-executor2 cpuset=syz2 mems_allowed=0
[  445.824212] Call Trace:
[  445.831877]  dump_stack+0x244/0x39d
[  445.835515]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.840710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.846262]  warn_alloc.cold.116+0xb7/0x1bd
[  445.850623]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.855470]  ? lock_downgrade+0x900/0x900
[  445.859629]  ? trace_hardirqs_off+0xb8/0x310
[  445.864048]  ? trace_hardirqs_off+0xb8/0x310
[  445.868469]  __alloc_pages_slowpath+0x2651/0x2de0
[  445.873340]  ? warn_alloc+0x120/0x120
[  445.877147]  ? warn_alloc+0x120/0x120
[  445.880960]  ? warn_alloc+0x120/0x120
[  445.884761]  ? print_usage_bug+0xc0/0xc0
[  445.888832]  ? print_usage_bug+0xc0/0xc0
[  445.892896]  ? mark_held_locks+0x130/0x130
[  445.897133]  ? mark_held_locks+0x130/0x130
[  445.901376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.906928]  ? should_fail+0x22d/0xd01
[  445.910815]  ? zap_class+0x640/0x640
[  445.914534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.919641]  ? __lock_acquire+0x62f/0x4c20
[  445.923886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.929009]  ? __lock_acquire+0x62f/0x4c20
[  445.933243]  ? should_fail+0x22d/0xd01
[  445.937142]  ? mark_held_locks+0x130/0x130
[  445.941382]  ? mark_held_locks+0x130/0x130
[  445.945626]  ? lock_downgrade+0x900/0x900
[  445.949779]  ? zap_class+0x640/0x640
[  445.953513]  ? zap_class+0x640/0x640
[  445.957230]  ? zap_class+0x640/0x640
[  445.960942]  ? do_raw_spin_unlock+0xa7/0x330
[  445.965350]  ? trace_hardirqs_on+0x310/0x310
[  445.969761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.975304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.980878]  ? check_preemption_disabled+0x48/0x280
[  445.985904]  ? __lock_is_held+0xb5/0x140
[  445.989979]  __alloc_pages_nodemask+0xad8/0xea0
[  445.994662]  ? zap_class+0x640/0x640
[  445.998427]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  446.003462]  ? find_held_lock+0x36/0x1c0
[  446.007534]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.012207]  ? lock_downgrade+0x900/0x900
[  446.016363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.021915]  cache_grow_begin+0xa5/0x8c0
[  446.025982]  ? do_raw_spin_unlock+0xa7/0x330
[  446.030405]  fallback_alloc+0x204/0x2e0
[  446.034387]  ____cache_alloc_node+0x1c7/0x1e0
[  446.038901]  kmem_cache_alloc_node+0xe3/0x730
[  446.043409]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.048021]  __alloc_skb+0x119/0x770
[  446.051735]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  446.057104]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.061522]  ? vprintk_default+0x28/0x30
[  446.065586]  ? vprintk_func+0x85/0x181
[  446.069494]  ? printk+0xa7/0xcf
[  446.072777]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  446.077548]  new_skb+0x26/0x1c0
[  446.080835]  aoecmd_cfg+0x279/0x7f0
[  446.084468]  ? find_held_lock+0x36/0x1c0
[  446.088531]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  446.092863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.098445]  ? __lock_is_held+0xb5/0x140
[  446.102549]  discover_timer+0x50/0x60
[  446.106368]  call_timer_fn+0x272/0x920
[  446.110265]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  446.115106]  ? process_timeout+0x40/0x40
[  446.119176]  ? __run_timers+0x7da/0xc70
[  446.123171]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.127664]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.132158]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  446.137003]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.141587]  ? trace_hardirqs_on+0xbd/0x310
[  446.145909]  ? kasan_check_read+0x11/0x20
[  446.150074]  ? __run_timers+0x7da/0xc70
[  446.154053]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.159171]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  446.164011]  __run_timers+0x7e5/0xc70
[  446.167823]  ? timer_fixup_init+0x70/0x70
[  446.171970]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.176469]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.180967]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.185552]  ? trace_hardirqs_on+0xbd/0x310
[  446.189887]  ? kasan_check_read+0x11/0x20
[  446.194510]  ? finish_task_switch+0x1f4/0x910
[  446.199010]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.204114]  ? compat_start_thread+0x80/0x80
[  446.208545]  ? pvclock_read_flags+0x160/0x160
[  446.213036]  ? __switch_to_asm+0x34/0x70
[  446.217102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.222643]  ? check_preemption_disabled+0x48/0x280
[  446.227668]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  446.233207]  ? rcu_pm_notify+0xc0/0xc0
[  446.237100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.242644]  ? check_preemption_disabled+0x48/0x280
[  446.247665]  run_timer_softirq+0x52/0xb0
[  446.251728]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.256745]  __do_softirq+0x308/0xb7e
[  446.260555]  ? retint_kernel+0x2d/0x2d
[  446.264466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.269568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  446.275021]  ? retint_kernel+0x2d/0x2d
[  446.278922]  ? schedule+0x108/0x460
[  446.282559]  ? trace_hardirqs_off+0xb8/0x310
[  446.286971]  ? smpboot_thread_fn+0x68b/0xa00
[  446.291379]  ? trace_hardirqs_on+0x310/0x310
[  446.295796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.301335]  ? check_preemption_disabled+0x48/0x280
[  446.306367]  ? takeover_tasklets+0xa90/0xa90
[  446.310786]  run_ksoftirqd+0x5e/0x100
[  446.314589]  smpboot_thread_fn+0x68b/0xa00
[  446.318830]  ? sort_range+0x30/0x30
[  446.322458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.327566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.333106]  ? __kthread_parkme+0xfb/0x1a0
[  446.337344]  ? sort_range+0x30/0x30
[  446.340974]  kthread+0x35a/0x440
[  446.344339]  ? kthread_stop+0x900/0x900
[  446.348318]  ret_from_fork+0x3a/0x50
[  446.352046] warn_alloc_show_mem: 1 callbacks suppressed
[  446.352059] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  446.352060] Mem-Info:
[  446.352093] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  446.352093]  active_file:133 inactive_file:117 isolated_file:0
[  446.352093]  unevictable:0 dirty:3 writeback:0 unstable:0
[  446.352093]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  446.352093]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  446.352093]  free:13727 free_pcp:164 free_cma:0
[  446.357430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.357438] Call Trace:
[  446.364807] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  446.367233]  <IRQ>
[  446.400442] 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
[  446.409808]  dump_stack+0x244/0x39d
[  446.412370] lowmem_reserve[]: 0 2818 6321 6321
[  446.440134]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.442274] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  446.468377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.471980] lowmem_reserve[]: 0 0 3503 3503
[  446.476560]  warn_alloc.cold.116+0xb7/0x1bd
[  446.481721] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  446.509296]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.514805] lowmem_reserve[]: 0 0 0 0
[  446.519120]  ? lock_downgrade+0x900/0x900
[  446.523419] 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
[  446.552677]  ? trace_hardirqs_off+0xb8/0x310
[  446.557490] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  446.561286]  ? trace_hardirqs_off+0xb8/0x310
[  446.565415] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  446.578939]  __alloc_pages_slowpath+0x2651/0x2de0
[  446.583327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  446.598679]  ? warn_alloc+0x120/0x120
[  446.603050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  446.616561]  ? warn_alloc+0x120/0x120
[  446.621377] 2220 total pagecache pages
[  446.630215]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  446.633995] 0 pages in swap cache
[  446.642569]  ? warn_alloc+0x120/0x120
[  446.646350] Swap cache stats: add 0, delete 0, find 0/0
[  446.650226]  ? print_usage_bug+0xc0/0xc0
[  446.655217] Free swap  = 0kB
[  446.658661]  ? print_usage_bug+0xc0/0xc0
[  446.662442] Total swap = 0kB
[  446.667798]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  446.671833] 1965979 pages RAM
[  446.674861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.678910] 0 pages HighMem/MovableOnly
[  446.681941]  ? should_fail+0x22d/0xd01
[  446.687108] 342854 pages reserved
[  446.690207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.695720] 0 pages cma reserved
[  446.699691]  ? __lock_acquire+0x62f/0x4c20
[  446.703623] aoe: skb alloc failure
[  446.706998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.712130] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.715442]  ? should_fail+0x22d/0xd01
[  446.719653] ksoftirqd/1 cpuset=/ mems_allowed=0
[  446.723192]  ? mark_held_locks+0x130/0x130
[  446.751312]  ? mark_held_locks+0x130/0x130
[  446.755548]  ? print_usage_bug+0xc0/0xc0
[  446.759620]  ? find_held_lock+0x36/0x1c0
[  446.763683]  ? zap_class+0x640/0x640
[  446.767421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.772960]  ? check_preemption_disabled+0x48/0x280
[  446.777986]  ? __lock_is_held+0xb5/0x140
[  446.782059]  __alloc_pages_nodemask+0xad8/0xea0
[  446.786734]  ? zap_class+0x640/0x640
[  446.790461]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  446.795490]  ? find_held_lock+0x36/0x1c0
[  446.799561]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.804234]  ? lock_downgrade+0x900/0x900
[  446.808414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.813967]  cache_grow_begin+0xa5/0x8c0
[  446.818043]  ? do_raw_spin_unlock+0xa7/0x330
[  446.822459]  fallback_alloc+0x204/0x2e0
[  446.826446]  ____cache_alloc_node+0x1c7/0x1e0
[  446.830954]  kmem_cache_alloc_node+0xe3/0x730
[  446.835456]  ? mark_held_locks+0xc7/0x130
[  446.839617]  __alloc_skb+0x119/0x770
[  446.843342]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.847750]  ? do_raw_spin_trylock+0x270/0x270
[  446.852362]  ? kmem_cache_alloc_trace+0x353/0x750
[  446.857251]  ? queue_work_on+0x12c/0x1e0
[  446.861320]  ? switchdev_port_obj_del+0xdc/0x440
[  446.866098]  ? switchdev_trans_item_enqueue+0x260/0x260
[  446.871496]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.876535]  __br_mdb_notify+0x4ff/0x15d0
[  446.880683]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.885801]  ? __br_mdb_add+0x7f0/0x7f0
[  446.889779]  ? mark_held_locks+0x130/0x130
[  446.894019]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.899146]  ? debug_object_assert_init+0x368/0x4b0
[  446.904167]  ? debug_object_init_on_stack+0x20/0x20
[  446.909184]  ? zap_class+0x640/0x640
[  446.912902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.918452]  br_mdb_notify+0x310/0x410
[  446.922346]  ? br_mdb_dump+0x27b0/0x27b0
[  446.926438]  br_multicast_del_pg+0x3df/0x790
[  446.930856]  ? br_mdb_ip_get+0x940/0x940
[  446.934920]  ? rwlock_bug.part.2+0x90/0x90
[  446.939164]  ? __lock_is_held+0xb5/0x140
[  446.943237]  br_multicast_port_group_expired+0x189/0x1e0
[  446.948691]  call_timer_fn+0x272/0x920
[  446.952584]  ? br_multicast_del_pg+0x790/0x790
[  446.957169]  ? process_timeout+0x40/0x40
[  446.961241]  ? __run_timers+0x7da/0xc70
[  446.965222]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.969715]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.974214]  ? br_multicast_del_pg+0x790/0x790
[  446.978799]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.983385]  ? trace_hardirqs_on+0xbd/0x310
[  446.987721]  ? kasan_check_read+0x11/0x20
[  446.991868]  ? __run_timers+0x7da/0xc70
[  446.995846]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.000956]  ? br_multicast_del_pg+0x790/0x790
[  447.005574]  ? br_multicast_del_pg+0x790/0x790
[  447.010158]  __run_timers+0x7e5/0xc70
[  447.013972]  ? timer_fixup_init+0x70/0x70
[  447.018123]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  447.023144]  ? zap_class+0x640/0x640
[  447.026862]  ? enqueue_hrtimer+0x1a5/0x560
[  447.031101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  447.036299]  ? find_held_lock+0x36/0x1c0
[  447.040368]  ? zap_class+0x640/0x640
[  447.044098]  ? pvclock_read_flags+0x160/0x160
[  447.048610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.054149]  ? check_preemption_disabled+0x48/0x280
[  447.059179]  ? __lock_is_held+0xb5/0x140
[  447.063673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.069215]  ? check_preemption_disabled+0x48/0x280
[  447.074237]  run_timer_softirq+0x52/0xb0
[  447.078302]  ? rcu_read_lock_sched_held+0x14f/0x180
[  447.083318]  __do_softirq+0x308/0xb7e
[  447.087124]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  447.091617]  ? lock_downgrade+0x900/0x900
[  447.095772]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  447.100914]  ? pvclock_read_flags+0x160/0x160
[  447.105424]  ? lapic_next_event+0x5a/0x90
[  447.109589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.115132]  ? kvm_clock_read+0x18/0x30
[  447.119108]  ? kvm_sched_clock_read+0x9/0x20
[  447.123519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.129059]  ? check_preemption_disabled+0x48/0x280
[  447.134103]  irq_exit+0x17f/0x1c0
[  447.137558]  smp_apic_timer_interrupt+0x1cb/0x760
[  447.142412]  ? smp_reschedule_interrupt+0x109/0x650
[  447.147443]  ? smp_call_function_single_interrupt+0x650/0x650
[  447.153326]  ? interrupt_entry+0xb5/0xc0
[  447.157392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.162434]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.167455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.172303]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.177321]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.182335]  ? task_prio+0x50/0x50
[  447.185876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.191426]  ? check_preemption_disabled+0x48/0x280
[  447.196455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.201307]  apic_timer_interrupt+0xf/0x20
[  447.205539]  </IRQ>
[  447.207789] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  447.212738] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  447.231635] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  447.239342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  447.246610] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  447.253877] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  447.261172] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  447.268440] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  447.275748]  skb_clone+0x1bb/0x500
[  447.279295]  ? skb_split+0x11e0/0x11e0
[  447.283186]  ? preempt_notifier_register+0x200/0x200
[  447.288287]  ? __switch_to_asm+0x34/0x70
[  447.292351]  ? __switch_to_asm+0x34/0x70
[  447.296452]  ? __switch_to_asm+0x40/0x70
[  447.300514]  ? __switch_to_asm+0x34/0x70
[  447.304577]  ? __switch_to_asm+0x40/0x70
[  447.308635]  ? __switch_to_asm+0x40/0x70
[  447.312693]  ? __switch_to_asm+0x34/0x70
[  447.316751]  ? __switch_to_asm+0x34/0x70
[  447.320807]  ? __switch_to_asm+0x40/0x70
[  447.324864]  ? __switch_to_asm+0x34/0x70
[  447.328928]  bpf_clone_redirect+0xb9/0x490
[  447.333172]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  447.338191]  ? __sched_text_start+0x8/0x8
[  447.342342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  447.347110]  ? find_held_lock+0x36/0x1c0
[  447.351179]  ? lock_acquire+0x1ed/0x520
[  447.355154]  ? bpf_test_run+0x3ee/0x7a0
[  447.359135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.364674]  ? check_preemption_disabled+0x48/0x280
[  447.369697]  ? kasan_check_read+0x11/0x20
[  447.373849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.379124]  ? rcu_softirq_qs+0x20/0x20
[  447.383098]  ? preempt_schedule+0x4d/0x60
[  447.387250]  ? ___preempt_schedule+0x16/0x18
[  447.391669]  ? bpf_test_run+0x271/0x7a0
[  447.395662]  ? netlink_diag_dump+0x2a0/0x2a0
[  447.400072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.405624]  ? bpf_test_init.isra.10+0x70/0x100
[  447.410303]  ? bpf_prog_test_run_skb+0x762/0xd60
[  447.415066]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  447.419919]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  447.425480]  ? fput+0x130/0x1a0
[  447.428766]  ? __bpf_prog_get+0x9b/0x290
[  447.432835]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  447.437678]  ? bpf_prog_test_run+0x130/0x1a0
[  447.442091]  ? __x64_sys_bpf+0x3d8/0x520
[  447.446151]  ? bpf_prog_get+0x20/0x20
[  447.449982]  ? do_syscall_64+0x1b9/0x820
[  447.454040]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  447.459421]  ? syscall_return_slowpath+0x5e0/0x5e0
[  447.464369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.469221]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.474253]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  447.479289]  ? prepare_exit_to_usermode+0x291/0x3b0
[  447.484309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.489187]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  447.494589] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  447.494737] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  447.501525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.511993] syz-executor2 cpuset=syz2 mems_allowed=0
[  447.521335] Call Trace:
[  447.529033]  dump_stack+0x244/0x39d
[  447.532673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.537868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.543421]  warn_alloc.cold.116+0xb7/0x1bd
[  447.547760]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.552609]  ? lock_downgrade+0x900/0x900
[  447.556768]  ? trace_hardirqs_off+0xb8/0x310
[  447.561192]  ? trace_hardirqs_off+0xb8/0x310
[  447.565607]  __alloc_pages_slowpath+0x2651/0x2de0
[  447.570479]  ? warn_alloc+0x120/0x120
[  447.574286]  ? warn_alloc+0x120/0x120
[  447.578090]  ? warn_alloc+0x120/0x120
[  447.581892]  ? print_usage_bug+0xc0/0xc0
[  447.585983]  ? print_usage_bug+0xc0/0xc0
[  447.590050]  ? mark_held_locks+0x130/0x130
[  447.594286]  ? mark_held_locks+0x130/0x130
[  447.598529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.604075]  ? should_fail+0x22d/0xd01
[  447.607960]  ? zap_class+0x640/0x640
[  447.611683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.616786]  ? __lock_acquire+0x62f/0x4c20
[  447.621030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.626136]  ? __lock_acquire+0x62f/0x4c20
[  447.630372]  ? should_fail+0x22d/0xd01
[  447.634279]  ? mark_held_locks+0x130/0x130
[  447.638519]  ? mark_held_locks+0x130/0x130
[  447.642757]  ? lock_downgrade+0x900/0x900
[  447.646906]  ? zap_class+0x640/0x640
[  447.650634]  ? zap_class+0x640/0x640
[  447.654349]  ? do_raw_spin_unlock+0xa7/0x330
[  447.658762]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  447.663520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.669060]  ? check_preemption_disabled+0x48/0x280
[  447.674114]  ? __lock_is_held+0xb5/0x140
[  447.678184]  __alloc_pages_nodemask+0xad8/0xea0
[  447.682866]  ? zap_class+0x640/0x640
[  447.686588]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  447.691618]  ? find_held_lock+0x36/0x1c0
[  447.695690]  ? ____cache_alloc_node+0x1c7/0x1e0
[  447.700362]  ? lock_downgrade+0x900/0x900
[  447.704525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.710070]  cache_grow_begin+0xa5/0x8c0
[  447.714132]  ? do_raw_spin_unlock+0xa7/0x330
[  447.718552]  fallback_alloc+0x204/0x2e0
[  447.722538]  ____cache_alloc_node+0x1c7/0x1e0
[  447.727044]  kmem_cache_alloc_node+0xe3/0x730
[  447.731542]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.736135]  __alloc_skb+0x119/0x770
[  447.739851]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  447.745219]  ? netdev_alloc_frag+0x1f0/0x1f0
[  447.749640]  ? vprintk_default+0x28/0x30
[  447.753703]  ? vprintk_func+0x85/0x181
[  447.757594]  ? printk+0xa7/0xcf
[  447.760872]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  447.765658]  new_skb+0x26/0x1c0
[  447.768944]  aoecmd_cfg+0x279/0x7f0
[  447.772577]  ? find_held_lock+0x36/0x1c0
[  447.776640]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  447.780972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.786526]  ? __lock_is_held+0xb5/0x140
[  447.790604]  discover_timer+0x50/0x60
[  447.794413]  call_timer_fn+0x272/0x920
[  447.798303]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.803148]  ? process_timeout+0x40/0x40
[  447.807218]  ? __run_timers+0x7da/0xc70
[  447.811218]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.815713]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.820208]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.825051]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.829634]  ? trace_hardirqs_on+0xbd/0x310
[  447.833958]  ? kasan_check_read+0x11/0x20
[  447.838107]  ? __run_timers+0x7da/0xc70
[  447.842084]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.847204]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.852045]  __run_timers+0x7e5/0xc70
[  447.855856]  ? timer_fixup_init+0x70/0x70
[  447.860003]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.864497]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.869022]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.873604]  ? trace_hardirqs_on+0xbd/0x310
[  447.877939]  ? kasan_check_read+0x11/0x20
[  447.882088]  ? finish_task_switch+0x1f4/0x910
[  447.886585]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.891691]  ? compat_start_thread+0x80/0x80
[  447.896123]  ? pvclock_read_flags+0x160/0x160
[  447.900621]  ? __switch_to_asm+0x34/0x70
[  447.904685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.910228]  ? check_preemption_disabled+0x48/0x280
[  447.915257]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  447.920797]  ? rcu_pm_notify+0xc0/0xc0
[  447.924686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.930224]  ? check_preemption_disabled+0x48/0x280
[  447.935246]  run_timer_softirq+0x52/0xb0
[  447.939307]  ? rcu_read_lock_sched_held+0x14f/0x180
[  447.944324]  __do_softirq+0x308/0xb7e
[  447.948127]  ? retint_kernel+0x2d/0x2d
[  447.952023]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  447.957156]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  447.962611]  ? retint_kernel+0x2d/0x2d
[  447.966520]  ? schedule+0x108/0x460
[  447.970185]  ? trace_hardirqs_off+0xb8/0x310
[  447.974600]  ? smpboot_thread_fn+0x68b/0xa00
[  447.979009]  ? trace_hardirqs_on+0x310/0x310
[  447.983423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.988965]  ? check_preemption_disabled+0x48/0x280
[  447.994003]  ? takeover_tasklets+0xa90/0xa90
[  447.998420]  run_ksoftirqd+0x5e/0x100
[  448.002242]  smpboot_thread_fn+0x68b/0xa00
[  448.006480]  ? sort_range+0x30/0x30
[  448.010120]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  448.015224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.020764]  ? __kthread_parkme+0xfb/0x1a0
[  448.025004]  ? sort_range+0x30/0x30
[  448.028631]  kthread+0x35a/0x440
[  448.032000]  ? kthread_stop+0x900/0x900
[  448.036010]  ret_from_fork+0x3a/0x50
[  448.039779] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  448.039784] warn_alloc_show_mem: 1 callbacks suppressed
[  448.039791] Mem-Info:
[  448.047161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  448.052527] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  448.052527]  active_file:133 inactive_file:117 isolated_file:0
[  448.052527]  unevictable:0 dirty:3 writeback:0 unstable:0
[  448.052527]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  448.052527]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  448.052527]  free:13727 free_pcp:164 free_cma:0
[  448.054898] Call Trace:
[  448.064302] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  448.097494]  <IRQ>
[  448.100066] 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
[  448.127832]  dump_stack+0x244/0x39d
[  448.129964] lowmem_reserve[]: 0 2818 6321 6321
[  448.156069]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.159687] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  448.164265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.169425] lowmem_reserve[]: 0 0 3503 3503
[  448.197190]  warn_alloc.cold.116+0xb7/0x1bd
[  448.202701] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  448.207021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  448.211320] lowmem_reserve[]: 0 0 0 0
[  448.240555]  ? lock_downgrade+0x900/0x900
[  448.245374] 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
[  448.249176]  ? trace_hardirqs_off+0xb8/0x310
[  448.253302] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  448.266852]  ? trace_hardirqs_off+0xb8/0x310
[  448.271233] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  448.286575]  __alloc_pages_slowpath+0x2651/0x2de0
[  448.290961] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  448.304495]  ? warn_alloc+0x120/0x120
[  448.309296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  448.318117]  ? warn_alloc+0x120/0x120
[  448.321895] 2220 total pagecache pages
[  448.330490]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  448.334268] 0 pages in swap cache
[  448.338144]  ? warn_alloc+0x120/0x120
[  448.343137] Swap cache stats: add 0, delete 0, find 0/0
[  448.346580]  ? print_usage_bug+0xc0/0xc0
[  448.350354] Free swap  = 0kB
[  448.355713]  ? print_usage_bug+0xc0/0xc0
[  448.359753] Total swap = 0kB
[  448.362763]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  448.366800] 1965979 pages RAM
[  448.369816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.374977] 0 pages HighMem/MovableOnly
[  448.378081]  ? should_fail+0x22d/0xd01
[  448.383592] 342854 pages reserved
[  448.387558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.391429] 0 pages cma reserved
[  448.394873]  ? __lock_acquire+0x62f/0x4c20
[  448.400059] aoe: skb alloc failure
[  448.403340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.407576] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.411079]  ? should_fail+0x22d/0xd01
[  448.416156] ksoftirqd/1 cpuset=/ mems_allowed=0
[  448.426466]  ? mark_held_locks+0x130/0x130
[  448.439215]  ? mark_held_locks+0x130/0x130
[  448.443465]  ? print_usage_bug+0xc0/0xc0
[  448.447531]  ? find_held_lock+0x36/0x1c0
[  448.451596]  ? zap_class+0x640/0x640
[  448.455319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.460861]  ? check_preemption_disabled+0x48/0x280
[  448.465905]  ? __lock_is_held+0xb5/0x140
[  448.469972]  __alloc_pages_nodemask+0xad8/0xea0
[  448.474644]  ? zap_class+0x640/0x640
[  448.478367]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  448.483410]  ? find_held_lock+0x36/0x1c0
[  448.487488]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.492161]  ? lock_downgrade+0x900/0x900
[  448.496316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.501864]  cache_grow_begin+0xa5/0x8c0
[  448.505981]  ? do_raw_spin_unlock+0xa7/0x330
[  448.510425]  fallback_alloc+0x204/0x2e0
[  448.514428]  ____cache_alloc_node+0x1c7/0x1e0
[  448.518930]  kmem_cache_alloc_node+0xe3/0x730
[  448.523435]  ? mark_held_locks+0xc7/0x130
[  448.527597]  __alloc_skb+0x119/0x770
[  448.531316]  ? netdev_alloc_frag+0x1f0/0x1f0
[  448.535725]  ? do_raw_spin_trylock+0x270/0x270
[  448.540308]  ? kmem_cache_alloc_trace+0x353/0x750
[  448.545156]  ? queue_work_on+0x12c/0x1e0
[  448.549229]  ? switchdev_port_obj_del+0xdc/0x440
[  448.553987]  ? switchdev_trans_item_enqueue+0x260/0x260
[  448.559354]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  448.564382]  __br_mdb_notify+0x4ff/0x15d0
[  448.568542]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  448.573658]  ? __br_mdb_add+0x7f0/0x7f0
[  448.577635]  ? mark_held_locks+0x130/0x130
[  448.581878]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  448.586998]  ? debug_object_assert_init+0x368/0x4b0
[  448.592018]  ? debug_object_init_on_stack+0x20/0x20
[  448.597034]  ? zap_class+0x640/0x640
[  448.600754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.606300]  br_mdb_notify+0x310/0x410
[  448.610187]  ? br_mdb_dump+0x27b0/0x27b0
[  448.614266]  br_multicast_del_pg+0x3df/0x790
[  448.618681]  ? br_mdb_ip_get+0x940/0x940
[  448.622747]  ? rwlock_bug.part.2+0x90/0x90
[  448.626985]  ? __lock_is_held+0xb5/0x140
[  448.631059]  br_multicast_port_group_expired+0x189/0x1e0
[  448.636516]  call_timer_fn+0x272/0x920
[  448.640415]  ? br_multicast_del_pg+0x790/0x790
[  448.645006]  ? process_timeout+0x40/0x40
[  448.649072]  ? __run_timers+0x7da/0xc70
[  448.653052]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.657550]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.662046]  ? br_multicast_del_pg+0x790/0x790
[  448.666630]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.671217]  ? trace_hardirqs_on+0xbd/0x310
[  448.675541]  ? kasan_check_read+0x11/0x20
[  448.679690]  ? __run_timers+0x7da/0xc70
[  448.683666]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.688775]  ? br_multicast_del_pg+0x790/0x790
[  448.693367]  ? br_multicast_del_pg+0x790/0x790
[  448.697957]  __run_timers+0x7e5/0xc70
[  448.701766]  ? timer_fixup_init+0x70/0x70
[  448.705918]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  448.710935]  ? zap_class+0x640/0x640
[  448.714655]  ? enqueue_hrtimer+0x1a5/0x560
[  448.718891]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  448.724086]  ? find_held_lock+0x36/0x1c0
[  448.728152]  ? zap_class+0x640/0x640
[  448.731871]  ? pvclock_read_flags+0x160/0x160
[  448.736385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.741951]  ? check_preemption_disabled+0x48/0x280
[  448.746997]  ? __lock_is_held+0xb5/0x140
[  448.751060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.756602]  ? check_preemption_disabled+0x48/0x280
[  448.761627]  run_timer_softirq+0x52/0xb0
[  448.765691]  ? rcu_read_lock_sched_held+0x14f/0x180
[  448.770710]  __do_softirq+0x308/0xb7e
[  448.774517]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  448.779013]  ? lock_downgrade+0x900/0x900
[  448.783166]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  448.788319]  ? pvclock_read_flags+0x160/0x160
[  448.792822]  ? lapic_next_event+0x5a/0x90
[  448.796972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.802519]  ? kvm_clock_read+0x18/0x30
[  448.806496]  ? kvm_sched_clock_read+0x9/0x20
[  448.810911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.816451]  ? check_preemption_disabled+0x48/0x280
[  448.821479]  irq_exit+0x17f/0x1c0
[  448.824935]  smp_apic_timer_interrupt+0x1cb/0x760
[  448.829781]  ? smp_reschedule_interrupt+0x109/0x650
[  448.834798]  ? smp_call_function_single_interrupt+0x650/0x650
[  448.840683]  ? interrupt_entry+0xb5/0xc0
[  448.844745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.849777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.854809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.859657]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.864677]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.869693]  ? task_prio+0x50/0x50
[  448.873238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.878779]  ? check_preemption_disabled+0x48/0x280
[  448.883800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.888655]  apic_timer_interrupt+0xf/0x20
[  448.892883]  </IRQ>
[  448.895122] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  448.900050] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  448.918949] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  448.926654] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  448.933924] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  448.941195] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  448.948462] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  448.955729] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  448.963037]  skb_clone+0x1bb/0x500
[  448.966581]  ? skb_split+0x11e0/0x11e0
[  448.970478]  ? preempt_notifier_register+0x200/0x200
[  448.975579]  ? __switch_to_asm+0x34/0x70
[  448.979642]  ? __switch_to_asm+0x34/0x70
[  448.983701]  ? __switch_to_asm+0x40/0x70
[  448.987761]  ? __switch_to_asm+0x34/0x70
[  448.991818]  ? __switch_to_asm+0x40/0x70
[  448.995883]  ? __switch_to_asm+0x40/0x70
[  448.999941]  ? __switch_to_asm+0x34/0x70
[  449.004005]  ? __switch_to_asm+0x34/0x70
[  449.008075]  ? __switch_to_asm+0x40/0x70
[  449.012142]  ? __switch_to_asm+0x34/0x70
[  449.016228]  bpf_clone_redirect+0xb9/0x490
[  449.020475]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  449.025500]  ? __sched_text_start+0x8/0x8
[  449.029648]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  449.034430]  ? find_held_lock+0x36/0x1c0
[  449.038504]  ? lock_acquire+0x1ed/0x520
[  449.042482]  ? bpf_test_run+0x3ee/0x7a0
[  449.046455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.052008]  ? check_preemption_disabled+0x48/0x280
[  449.057030]  ? kasan_check_read+0x11/0x20
[  449.061696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.066972]  ? rcu_softirq_qs+0x20/0x20
[  449.070949]  ? preempt_schedule+0x4d/0x60
[  449.075101]  ? ___preempt_schedule+0x16/0x18
[  449.079536]  ? bpf_test_run+0x271/0x7a0
[  449.083523]  ? netlink_diag_dump+0x2a0/0x2a0
[  449.087937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.093480]  ? bpf_test_init.isra.10+0x70/0x100
[  449.098153]  ? bpf_prog_test_run_skb+0x762/0xd60
[  449.102916]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  449.107768]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  449.113309]  ? fput+0x130/0x1a0
[  449.116593]  ? __bpf_prog_get+0x9b/0x290
[  449.120664]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  449.125507]  ? bpf_prog_test_run+0x130/0x1a0
[  449.129918]  ? __x64_sys_bpf+0x3d8/0x520
[  449.133985]  ? bpf_prog_get+0x20/0x20
[  449.137893]  ? do_syscall_64+0x1b9/0x820
[  449.141997]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  449.147368]  ? syscall_return_slowpath+0x5e0/0x5e0
[  449.152342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.157200]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.162247]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  449.167264]  ? prepare_exit_to_usermode+0x291/0x3b0
[  449.172287]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.177139]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  449.182521] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  449.182684] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  449.189455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.199948] syz-executor2 cpuset=syz2 mems_allowed=0
[  449.209303] Call Trace:
[  449.217021]  dump_stack+0x244/0x39d
[  449.220657]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.225863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.231430]  warn_alloc.cold.116+0xb7/0x1bd
[  449.235753]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  449.240600]  ? lock_downgrade+0x900/0x900
[  449.244757]  ? trace_hardirqs_off+0xb8/0x310
[  449.249202]  ? trace_hardirqs_off+0xb8/0x310
[  449.253619]  __alloc_pages_slowpath+0x2651/0x2de0
[  449.258496]  ? warn_alloc+0x120/0x120
[  449.262303]  ? warn_alloc+0x120/0x120
[  449.266122]  ? warn_alloc+0x120/0x120
[  449.269930]  ? print_usage_bug+0xc0/0xc0
[  449.273996]  ? print_usage_bug+0xc0/0xc0
[  449.278060]  ? mark_held_locks+0x130/0x130
[  449.282300]  ? mark_held_locks+0x130/0x130
[  449.286539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.292093]  ? should_fail+0x22d/0xd01
[  449.295984]  ? zap_class+0x640/0x640
[  449.299701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.304807]  ? __lock_acquire+0x62f/0x4c20
[  449.309048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.314150]  ? __lock_acquire+0x62f/0x4c20
[  449.318403]  ? should_fail+0x22d/0xd01
[  449.322319]  ? mark_held_locks+0x130/0x130
[  449.326559]  ? mark_held_locks+0x130/0x130
[  449.330795]  ? lock_downgrade+0x900/0x900
[  449.334963]  ? zap_class+0x640/0x640
[  449.338679]  ? zap_class+0x640/0x640
[  449.342405]  ? zap_class+0x640/0x640
[  449.346116]  ? do_raw_spin_unlock+0xa7/0x330
[  449.350527]  ? trace_hardirqs_on+0x310/0x310
[  449.354940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.360477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.366012]  ? check_preemption_disabled+0x48/0x280
[  449.371035]  ? __lock_is_held+0xb5/0x140
[  449.375101]  __alloc_pages_nodemask+0xad8/0xea0
[  449.379771]  ? zap_class+0x640/0x640
[  449.383495]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  449.388542]  ? find_held_lock+0x36/0x1c0
[  449.392614]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.397283]  ? lock_downgrade+0x900/0x900
[  449.401460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.407006]  cache_grow_begin+0xa5/0x8c0
[  449.411069]  ? do_raw_spin_unlock+0xa7/0x330
[  449.415499]  fallback_alloc+0x204/0x2e0
[  449.419501]  ____cache_alloc_node+0x1c7/0x1e0
[  449.424008]  kmem_cache_alloc_node+0xe3/0x730
[  449.428509]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.433103]  __alloc_skb+0x119/0x770
[  449.436816]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  449.442184]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.446617]  ? vprintk_default+0x28/0x30
[  449.450678]  ? vprintk_func+0x85/0x181
[  449.454570]  ? printk+0xa7/0xcf
[  449.457869]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  449.462637]  new_skb+0x26/0x1c0
[  449.465925]  aoecmd_cfg+0x279/0x7f0
[  449.469554]  ? find_held_lock+0x36/0x1c0
[  449.473623]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  449.477953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.483504]  ? __lock_is_held+0xb5/0x140
[  449.487582]  discover_timer+0x50/0x60
[  449.491382]  call_timer_fn+0x272/0x920
[  449.495276]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.500120]  ? process_timeout+0x40/0x40
[  449.504191]  ? __run_timers+0x7da/0xc70
[  449.508169]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.512664]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.517162]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.522009]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.526596]  ? trace_hardirqs_on+0xbd/0x310
[  449.530927]  ? kasan_check_read+0x11/0x20
[  449.535078]  ? __run_timers+0x7da/0xc70
[  449.539053]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.544174]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.549015]  __run_timers+0x7e5/0xc70
[  449.552829]  ? timer_fixup_init+0x70/0x70
[  449.556981]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.561475]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.565972]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  449.570557]  ? trace_hardirqs_on+0xbd/0x310
[  449.574878]  ? kasan_check_read+0x11/0x20
[  449.579029]  ? finish_task_switch+0x1f4/0x910
[  449.583527]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.588632]  ? compat_start_thread+0x80/0x80
[  449.593068]  ? pvclock_read_flags+0x160/0x160
[  449.597561]  ? __switch_to_asm+0x34/0x70
[  449.601627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.607173]  ? check_preemption_disabled+0x48/0x280
[  449.612203]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  449.617744]  ? rcu_pm_notify+0xc0/0xc0
[  449.621637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.627177]  ? check_preemption_disabled+0x48/0x280
[  449.632199]  run_timer_softirq+0x52/0xb0
[  449.636261]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.641282]  __do_softirq+0x308/0xb7e
[  449.645085]  ? retint_kernel+0x2d/0x2d
[  449.648979]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.654083]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  449.659550]  ? retint_kernel+0x2d/0x2d
[  449.663445]  ? schedule+0x108/0x460
[  449.667087]  ? trace_hardirqs_off+0xb8/0x310
[  449.671501]  ? smpboot_thread_fn+0x68b/0xa00
[  449.675957]  ? trace_hardirqs_on+0x310/0x310
[  449.680381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.685935]  ? check_preemption_disabled+0x48/0x280
[  449.690959]  ? takeover_tasklets+0xa90/0xa90
[  449.695383]  run_ksoftirqd+0x5e/0x100
[  449.699194]  smpboot_thread_fn+0x68b/0xa00
[  449.703437]  ? sort_range+0x30/0x30
[  449.707079]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  449.712183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.717725]  ? __kthread_parkme+0xfb/0x1a0
[  449.721963]  ? sort_range+0x30/0x30
[  449.725592]  kthread+0x35a/0x440
[  449.728964]  ? kthread_stop+0x900/0x900
[  449.732946]  ret_from_fork+0x3a/0x50
[  449.736690] warn_alloc_show_mem: 1 callbacks suppressed
[  449.736702] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  449.736704] Mem-Info:
[  449.736737] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  449.736737]  active_file:133 inactive_file:117 isolated_file:0
[  449.736737]  unevictable:0 dirty:3 writeback:0 unstable:0
[  449.736737]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  449.736737]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  449.736737]  free:13727 free_pcp:164 free_cma:0
[  449.742086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.749481] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  449.751883] Call Trace:
[  449.785093] 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
[  449.794443]  <IRQ>
[  449.822182] lowmem_reserve[]: 0 2818 6321 6321
[  449.824768]  dump_stack+0x244/0x39d
[  449.850850] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  449.852998]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.857557] lowmem_reserve[]: 0 0 3503 3503
[  449.861183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.888741] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  449.893944]  warn_alloc.cold.116+0xb7/0x1bd
[  449.898239] lowmem_reserve[]: 0 0 0 0
[  449.903775]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  449.932981] 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
[  449.937299]  ? lock_downgrade+0x900/0x900
[  449.941077] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  449.945915]  ? trace_hardirqs_off+0xb8/0x310
[  449.959427] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  449.963573]  ? trace_hardirqs_off+0xb8/0x310
[  449.978903] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  449.983306]  __alloc_pages_slowpath+0x2651/0x2de0
[  449.996805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  450.001253]  ? warn_alloc+0x120/0x120
[  450.010040] 2220 total pagecache pages
[  450.014878]  ? warn_alloc+0x120/0x120
[  450.023432] 0 pages in swap cache
[  450.027225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.031089] Swap cache stats: add 0, delete 0, find 0/0
[  450.034877]  ? warn_alloc+0x120/0x120
[  450.038308] Free swap  = 0kB
[  450.043318]  ? print_usage_bug+0xc0/0xc0
[  450.048662] Total swap = 0kB
[  450.052454]  ? print_usage_bug+0xc0/0xc0
[  450.055455] 1965979 pages RAM
[  450.059523]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  450.062551] 0 pages HighMem/MovableOnly
[  450.066612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.069682] 342854 pages reserved
[  450.069691] 0 pages cma reserved
[  450.074872]  ? should_fail+0x22d/0xd01
[  450.078884] aoe: skb alloc failure
[  450.084348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.084364]  ? __lock_acquire+0x62f/0x4c20
[  450.084381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.087874] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.091184]  ? should_fail+0x22d/0xd01
[  450.095047] ksoftirqd/1 cpuset=/ mems_allowed=0
[  450.098587]  ? mark_held_locks+0x130/0x130
[  450.136048]  ? mark_held_locks+0x130/0x130
[  450.140282]  ? print_usage_bug+0xc0/0xc0
[  450.144350]  ? find_held_lock+0x36/0x1c0
[  450.148439]  ? zap_class+0x640/0x640
[  450.152173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.157716]  ? check_preemption_disabled+0x48/0x280
[  450.162743]  ? __lock_is_held+0xb5/0x140
[  450.166809]  __alloc_pages_nodemask+0xad8/0xea0
[  450.171479]  ? zap_class+0x640/0x640
[  450.175200]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  450.180233]  ? find_held_lock+0x36/0x1c0
[  450.184307]  ? ____cache_alloc_node+0x1c7/0x1e0
[  450.188992]  ? lock_downgrade+0x900/0x900
[  450.193253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.198799]  cache_grow_begin+0xa5/0x8c0
[  450.202862]  ? do_raw_spin_unlock+0xa7/0x330
[  450.207283]  fallback_alloc+0x204/0x2e0
[  450.211278]  ____cache_alloc_node+0x1c7/0x1e0
[  450.215792]  kmem_cache_alloc_node+0xe3/0x730
[  450.220286]  ? mark_held_locks+0xc7/0x130
[  450.224452]  __alloc_skb+0x119/0x770
[  450.228175]  ? netdev_alloc_frag+0x1f0/0x1f0
[  450.232615]  ? do_raw_spin_trylock+0x270/0x270
[  450.237197]  ? kmem_cache_alloc_trace+0x353/0x750
[  450.242059]  ? queue_work_on+0x12c/0x1e0
[  450.246131]  ? switchdev_port_obj_del+0xdc/0x440
[  450.250890]  ? switchdev_trans_item_enqueue+0x260/0x260
[  450.256287]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  450.261312]  __br_mdb_notify+0x4ff/0x15d0
[  450.265473]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.270604]  ? __br_mdb_add+0x7f0/0x7f0
[  450.274583]  ? mark_held_locks+0x130/0x130
[  450.278822]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  450.283928]  ? debug_object_assert_init+0x368/0x4b0
[  450.288953]  ? debug_object_init_on_stack+0x20/0x20
[  450.293972]  ? zap_class+0x640/0x640
[  450.297691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.303235]  br_mdb_notify+0x310/0x410
[  450.307133]  ? br_mdb_dump+0x27b0/0x27b0
[  450.311222]  br_multicast_del_pg+0x3df/0x790
[  450.315634]  ? br_mdb_ip_get+0x940/0x940
[  450.319698]  ? rwlock_bug.part.2+0x90/0x90
[  450.323971]  ? __lock_is_held+0xb5/0x140
[  450.328044]  br_multicast_port_group_expired+0x189/0x1e0
[  450.333497]  call_timer_fn+0x272/0x920
[  450.337385]  ? br_multicast_del_pg+0x790/0x790
[  450.341978]  ? process_timeout+0x40/0x40
[  450.346047]  ? __run_timers+0x7da/0xc70
[  450.350027]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.354521]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.359018]  ? br_multicast_del_pg+0x790/0x790
[  450.363600]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.368182]  ? trace_hardirqs_on+0xbd/0x310
[  450.372512]  ? kasan_check_read+0x11/0x20
[  450.376662]  ? __run_timers+0x7da/0xc70
[  450.380639]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.385749]  ? br_multicast_del_pg+0x790/0x790
[  450.390338]  ? br_multicast_del_pg+0x790/0x790
[  450.394919]  __run_timers+0x7e5/0xc70
[  450.398733]  ? timer_fixup_init+0x70/0x70
[  450.402882]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.407902]  ? zap_class+0x640/0x640
[  450.411620]  ? enqueue_hrtimer+0x1a5/0x560
[  450.415857]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  450.421058]  ? find_held_lock+0x36/0x1c0
[  450.425126]  ? zap_class+0x640/0x640
[  450.428846]  ? pvclock_read_flags+0x160/0x160
[  450.433344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.438897]  ? check_preemption_disabled+0x48/0x280
[  450.443964]  ? __lock_is_held+0xb5/0x140
[  450.448024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.453562]  ? check_preemption_disabled+0x48/0x280
[  450.458583]  run_timer_softirq+0x52/0xb0
[  450.462647]  ? rcu_read_lock_sched_held+0x14f/0x180
[  450.467667]  __do_softirq+0x308/0xb7e
[  450.471474]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  450.475972]  ? lock_downgrade+0x900/0x900
[  450.480128]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  450.485239]  ? pvclock_read_flags+0x160/0x160
[  450.489736]  ? lapic_next_event+0x5a/0x90
[  450.493905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.499450]  ? kvm_clock_read+0x18/0x30
[  450.503434]  ? kvm_sched_clock_read+0x9/0x20
[  450.507846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.513387]  ? check_preemption_disabled+0x48/0x280
[  450.518442]  irq_exit+0x17f/0x1c0
[  450.521905]  smp_apic_timer_interrupt+0x1cb/0x760
[  450.526761]  ? smp_reschedule_interrupt+0x109/0x650
[  450.531780]  ? smp_call_function_single_interrupt+0x650/0x650
[  450.537662]  ? interrupt_entry+0xb5/0xc0
[  450.541729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.546743]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.551763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.556610]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.561629]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.566648]  ? task_prio+0x50/0x50
[  450.570189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.575741]  ? check_preemption_disabled+0x48/0x280
[  450.580810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.585677]  apic_timer_interrupt+0xf/0x20
[  450.589902]  </IRQ>
[  450.592143] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  450.597076] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  450.615989] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  450.623698] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  450.630966] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  450.638245] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  450.645511] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  450.652777] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  450.660110]  skb_clone+0x1bb/0x500
[  450.663686]  ? skb_split+0x11e0/0x11e0
[  450.667607]  ? preempt_notifier_register+0x200/0x200
[  450.672710]  ? __switch_to_asm+0x34/0x70
[  450.676786]  ? __switch_to_asm+0x34/0x70
[  450.680845]  ? __switch_to_asm+0x40/0x70
[  450.684907]  ? __switch_to_asm+0x34/0x70
[  450.688965]  ? __switch_to_asm+0x40/0x70
[  450.693027]  ? __switch_to_asm+0x40/0x70
[  450.697106]  ? __switch_to_asm+0x34/0x70
[  450.701168]  ? __switch_to_asm+0x34/0x70
[  450.705233]  ? __switch_to_asm+0x40/0x70
[  450.709294]  ? __switch_to_asm+0x34/0x70
[  450.713356]  bpf_clone_redirect+0xb9/0x490
[  450.717598]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  450.722621]  ? __sched_text_start+0x8/0x8
[  450.726769]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  450.731538]  ? find_held_lock+0x36/0x1c0
[  450.735612]  ? lock_acquire+0x1ed/0x520
[  450.739589]  ? bpf_test_run+0x3ee/0x7a0
[  450.743567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.749105]  ? check_preemption_disabled+0x48/0x280
[  450.754126]  ? kasan_check_read+0x11/0x20
[  450.758277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.763554]  ? rcu_softirq_qs+0x20/0x20
[  450.767533]  ? preempt_schedule+0x4d/0x60
[  450.771683]  ? ___preempt_schedule+0x16/0x18
[  450.776116]  ? bpf_test_run+0x271/0x7a0
[  450.780101]  ? netlink_diag_dump+0x2a0/0x2a0
[  450.784512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.790050]  ? bpf_test_init.isra.10+0x70/0x100
[  450.794728]  ? bpf_prog_test_run_skb+0x762/0xd60
[  450.799496]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  450.804347]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  450.809883]  ? fput+0x130/0x1a0
[  450.813167]  ? __bpf_prog_get+0x9b/0x290
[  450.817232]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  450.822107]  ? bpf_prog_test_run+0x130/0x1a0
[  450.826517]  ? __x64_sys_bpf+0x3d8/0x520
[  450.830577]  ? bpf_prog_get+0x20/0x20
[  450.834405]  ? do_syscall_64+0x1b9/0x820
[  450.838477]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  450.843860]  ? syscall_return_slowpath+0x5e0/0x5e0
[  450.848793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.853642]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.858663]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  450.863695]  ? prepare_exit_to_usermode+0x291/0x3b0
[  450.868723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.873585]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  450.878968] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  450.879152] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.885902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  450.896369] syz-executor2 cpuset=syz2 mems_allowed=0
[  450.905710] Call Trace:
[  450.913418]  dump_stack+0x244/0x39d
[  450.917082]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.922276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.927826]  warn_alloc.cold.116+0xb7/0x1bd
[  450.932146]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  450.937006]  ? lock_downgrade+0x900/0x900
[  450.941166]  ? trace_hardirqs_off+0xb8/0x310
[  450.945582]  ? trace_hardirqs_off+0xb8/0x310
[  450.950000]  __alloc_pages_slowpath+0x2651/0x2de0
[  450.954872]  ? warn_alloc+0x120/0x120
[  450.958674]  ? warn_alloc+0x120/0x120
[  450.962481]  ? warn_alloc+0x120/0x120
[  450.966291]  ? warn_alloc+0x120/0x120
[  450.970089]  ? mark_held_locks+0x130/0x130
[  450.974323]  ? print_usage_bug+0xc0/0xc0
[  450.978384]  ? mark_held_locks+0x130/0x130
[  450.982631]  ? print_usage_bug+0xc0/0xc0
[  450.986693]  ? zap_class+0x640/0x640
[  450.990419]  ? put_dec+0x3b/0xf0
[  450.993822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.999372]  ? should_fail+0x22d/0xd01
[  451.003272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.008377]  ? __lock_acquire+0x62f/0x4c20
[  451.012626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.017732]  ? __lock_acquire+0x62f/0x4c20
[  451.021976]  ? should_fail+0x22d/0xd01
[  451.025901]  ? mark_held_locks+0x130/0x130
[  451.030146]  ? mark_held_locks+0x130/0x130
[  451.034388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.039961]  ? wq_watchdog_touch+0x9c/0xfe
[  451.044201]  ? zap_class+0x640/0x640
[  451.047922]  ? print_usage_bug+0xc0/0xc0
[  451.051984]  ? find_held_lock+0x36/0x1c0
[  451.056059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.061759]  ? check_preemption_disabled+0x48/0x280
[  451.066784]  ? __lock_is_held+0xb5/0x140
[  451.070853]  __alloc_pages_nodemask+0xad8/0xea0
[  451.075523]  ? zap_class+0x640/0x640
[  451.079248]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  451.084276]  ? find_held_lock+0x36/0x1c0
[  451.088350]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.093024]  ? lock_downgrade+0x900/0x900
[  451.097178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.102723]  cache_grow_begin+0xa5/0x8c0
[  451.106798]  ? do_raw_spin_unlock+0xa7/0x330
[  451.111214]  fallback_alloc+0x204/0x2e0
[  451.115196]  ____cache_alloc_node+0x1c7/0x1e0
[  451.119699]  kmem_cache_alloc_node+0xe3/0x730
[  451.124197]  ? ipv6_get_ifaddr+0x42e/0x620
[  451.128440]  __alloc_skb+0x119/0x770
[  451.132167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.137446]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.141860]  ? lock_downgrade+0x900/0x900
[  451.146015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.151555]  ? refcount_sub_and_test_checked+0x203/0x310
[  451.157022]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  451.162474]  ? addrconf_rs_timer+0x690/0x690
[  451.166900]  ndisc_alloc_skb+0x144/0x340
[  451.170968]  ndisc_send_rs+0x331/0x6e0
[  451.174863]  addrconf_rs_timer+0x314/0x690
[  451.179119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.183368]  call_timer_fn+0x272/0x920
[  451.187264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.191502]  ? process_timeout+0x40/0x40
[  451.195573]  ? __run_timers+0x7da/0xc70
[  451.199547]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.204040]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.208537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.212775]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.217361]  ? trace_hardirqs_on+0xbd/0x310
[  451.221695]  ? kasan_check_read+0x11/0x20
[  451.225846]  ? __run_timers+0x7da/0xc70
[  451.229826]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.234940]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.239792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.244023]  __run_timers+0x7e5/0xc70
[  451.247833]  ? timer_fixup_init+0x70/0x70
[  451.251986]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.256480]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.260977]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  451.265559]  ? trace_hardirqs_on+0xbd/0x310
[  451.269883]  ? kasan_check_read+0x11/0x20
[  451.274037]  ? finish_task_switch+0x1f4/0x910
[  451.278535]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.283641]  ? compat_start_thread+0x80/0x80
[  451.288074]  ? pvclock_read_flags+0x160/0x160
[  451.292569]  ? __switch_to_asm+0x34/0x70
[  451.296631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.302170]  ? check_preemption_disabled+0x48/0x280
[  451.307200]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  451.312739]  ? rcu_pm_notify+0xc0/0xc0
[  451.316632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.322175]  ? check_preemption_disabled+0x48/0x280
[  451.327200]  run_timer_softirq+0x52/0xb0
[  451.331271]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.336293]  __do_softirq+0x308/0xb7e
[  451.340101]  ? retint_kernel+0x2d/0x2d
[  451.343999]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.349106]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  451.354555]  ? retint_kernel+0x2d/0x2d
[  451.358453]  ? schedule+0x108/0x460
[  451.362093]  ? trace_hardirqs_off+0xb8/0x310
[  451.366506]  ? smpboot_thread_fn+0x68b/0xa00
[  451.370922]  ? trace_hardirqs_on+0x310/0x310
[  451.375335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.380874]  ? check_preemption_disabled+0x48/0x280
[  451.385901]  ? takeover_tasklets+0xa90/0xa90
[  451.390319]  run_ksoftirqd+0x5e/0x100
[  451.394122]  smpboot_thread_fn+0x68b/0xa00
[  451.398361]  ? sort_range+0x30/0x30
[  451.401998]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  451.407100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.412641]  ? __kthread_parkme+0xfb/0x1a0
[  451.416883]  ? sort_range+0x30/0x30
[  451.420515]  kthread+0x35a/0x440
[  451.423883]  ? kthread_stop+0x900/0x900
[  451.427858]  ret_from_fork+0x3a/0x50
[  451.431585] warn_alloc_show_mem: 1 callbacks suppressed
[  451.431598] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  451.431599] Mem-Info:
[  451.431632] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  451.431632]  active_file:133 inactive_file:117 isolated_file:0
[  451.431632]  unevictable:0 dirty:3 writeback:0 unstable:0
[  451.431632]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  451.431632]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  451.431632]  free:13727 free_pcp:164 free_cma:0
[  451.436970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.444337] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  451.446734] Call Trace:
[  451.479943] 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
[  451.489314]  <IRQ>
[  451.517047] lowmem_reserve[]: 0 2818 6321 6321
[  451.519633]  dump_stack+0x244/0x39d
[  451.545730] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  451.547879]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.552437] lowmem_reserve[]: 0 0 3503 3503
[  451.556058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.583615] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  451.588806]  warn_alloc.cold.116+0xb7/0x1bd
[  451.593100] lowmem_reserve[]: 0 0 0 0
[  451.598631]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.627842] 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
[  451.632158]  ? lock_downgrade+0x900/0x900
[  451.635934] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  451.640774]  ? trace_hardirqs_off+0xb8/0x310
[  451.654269] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  451.658423]  ? trace_hardirqs_off+0xb8/0x310
[  451.673750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  451.678160]  __alloc_pages_slowpath+0x2651/0x2de0
[  451.691659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  451.696076]  ? warn_alloc+0x120/0x120
[  451.704865] 2220 total pagecache pages
[  451.709718]  ? warn_alloc+0x120/0x120
[  451.718275] 0 pages in swap cache
[  451.722064]  ? warn_alloc+0x120/0x120
[  451.725937] Swap cache stats: add 0, delete 0, find 0/0
[  451.729726]  ? print_usage_bug+0xc0/0xc0
[  451.733154] Free swap  = 0kB
[  451.736956]  ? print_usage_bug+0xc0/0xc0
[  451.742318] Total swap = 0kB
[  451.746372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.749358] 1965979 pages RAM
[  451.753429]  ? should_fail+0x22d/0xd01
[  451.756420] 0 pages HighMem/MovableOnly
[  451.756431] 342854 pages reserved
[  451.761978]  ? zap_class+0x640/0x640
[  451.765060] 0 pages cma reserved
[  451.768956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.773025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  451.776380]  ? __lock_acquire+0x62f/0x4c20
[  451.780156] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.783444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.788526] ksoftirqd/1 cpuset=/ mems_allowed=0
[  451.795013]  ? should_fail+0x22d/0xd01
[  451.823215]  ? mark_held_locks+0x130/0x130
[  451.827458]  ? mark_held_locks+0x130/0x130
[  451.831695]  ? print_usage_bug+0xc0/0xc0
[  451.835763]  ? find_held_lock+0x36/0x1c0
[  451.839856]  ? zap_class+0x640/0x640
[  451.843604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.849143]  ? check_preemption_disabled+0x48/0x280
[  451.854169]  ? __lock_is_held+0xb5/0x140
[  451.858233]  __alloc_pages_nodemask+0xad8/0xea0
[  451.862918]  ? zap_class+0x640/0x640
[  451.866636]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  451.871668]  ? find_held_lock+0x36/0x1c0
[  451.875743]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.880429]  ? lock_downgrade+0x900/0x900
[  451.884590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.890138]  cache_grow_begin+0xa5/0x8c0
[  451.894197]  ? do_raw_spin_unlock+0xa7/0x330
[  451.898614]  fallback_alloc+0x204/0x2e0
[  451.902592]  ____cache_alloc_node+0x1c7/0x1e0
[  451.907095]  kmem_cache_alloc_node+0xe3/0x730
[  451.911592]  ? mark_held_locks+0xc7/0x130
[  451.915766]  __alloc_skb+0x119/0x770
[  451.919491]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.923900]  ? do_raw_spin_trylock+0x270/0x270
[  451.928502]  ? kmem_cache_alloc_trace+0x353/0x750
[  451.933348]  ? queue_work_on+0x12c/0x1e0
[  451.937434]  ? switchdev_port_obj_del+0xdc/0x440
[  451.942196]  ? switchdev_trans_item_enqueue+0x260/0x260
[  451.947580]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  451.952620]  __br_mdb_notify+0x4ff/0x15d0
[  451.956769]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  451.961885]  ? __br_mdb_add+0x7f0/0x7f0
[  451.965866]  ? mark_held_locks+0x130/0x130
[  451.970108]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  451.975217]  ? debug_object_assert_init+0x368/0x4b0
[  451.980240]  ? debug_object_init_on_stack+0x20/0x20
[  451.985257]  ? zap_class+0x640/0x640
[  451.988974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.994516]  br_mdb_notify+0x310/0x410
[  451.998424]  ? br_mdb_dump+0x27b0/0x27b0
[  452.002503]  br_multicast_del_pg+0x3df/0x790
[  452.006925]  ? br_mdb_ip_get+0x940/0x940
[  452.010989]  ? rwlock_bug.part.2+0x90/0x90
[  452.015246]  ? __lock_is_held+0xb5/0x140
[  452.019343]  br_multicast_port_group_expired+0x189/0x1e0
[  452.024798]  call_timer_fn+0x272/0x920
[  452.028686]  ? br_multicast_del_pg+0x790/0x790
[  452.033266]  ? process_timeout+0x40/0x40
[  452.037339]  ? __run_timers+0x7da/0xc70
[  452.041317]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.045813]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.050320]  ? br_multicast_del_pg+0x790/0x790
[  452.054901]  ? lockdep_hardirqs_on+0x296/0x5b0
[  452.059487]  ? trace_hardirqs_on+0xbd/0x310
[  452.063811]  ? kasan_check_read+0x11/0x20
[  452.067961]  ? __run_timers+0x7da/0xc70
[  452.071938]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.077063]  ? br_multicast_del_pg+0x790/0x790
[  452.081669]  ? br_multicast_del_pg+0x790/0x790
[  452.086252]  __run_timers+0x7e5/0xc70
[  452.090059]  ? timer_fixup_init+0x70/0x70
[  452.094237]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  452.099269]  ? zap_class+0x640/0x640
[  452.102987]  ? enqueue_hrtimer+0x1a5/0x560
[  452.107228]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  452.112441]  ? find_held_lock+0x36/0x1c0
[  452.116514]  ? zap_class+0x640/0x640
[  452.120233]  ? pvclock_read_flags+0x160/0x160
[  452.124734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.130271]  ? check_preemption_disabled+0x48/0x280
[  452.135296]  ? __lock_is_held+0xb5/0x140
[  452.139360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.144907]  ? check_preemption_disabled+0x48/0x280
[  452.149931]  run_timer_softirq+0x52/0xb0
[  452.153995]  ? rcu_read_lock_sched_held+0x14f/0x180
[  452.159012]  __do_softirq+0x308/0xb7e
[  452.162818]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  452.167313]  ? lock_downgrade+0x900/0x900
[  452.171468]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  452.176611]  ? pvclock_read_flags+0x160/0x160
[  452.181112]  ? lapic_next_event+0x5a/0x90
[  452.185264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.190809]  ? kvm_clock_read+0x18/0x30
[  452.194939]  ? kvm_sched_clock_read+0x9/0x20
[  452.199355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.204889]  ? check_preemption_disabled+0x48/0x280
[  452.209929]  irq_exit+0x17f/0x1c0
[  452.213385]  smp_apic_timer_interrupt+0x1cb/0x760
[  452.218242]  ? smp_reschedule_interrupt+0x109/0x650
[  452.223271]  ? smp_call_function_single_interrupt+0x650/0x650
[  452.229158]  ? interrupt_entry+0xb5/0xc0
[  452.233220]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.238236]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.243296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.248144]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.253161]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.258179]  ? task_prio+0x50/0x50
[  452.261723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.267261]  ? check_preemption_disabled+0x48/0x280
[  452.272292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.277138]  apic_timer_interrupt+0xf/0x20
[  452.281364]  </IRQ>
[  452.283610] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  452.288541] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  452.307444] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  452.315150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  452.322428] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  452.329695] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  452.336966] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  452.344231] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  452.351539]  skb_clone+0x1bb/0x500
[  452.355097]  ? skb_split+0x11e0/0x11e0
[  452.358989]  ? preempt_notifier_register+0x200/0x200
[  452.364089]  ? __switch_to_asm+0x34/0x70
[  452.368149]  ? __switch_to_asm+0x34/0x70
[  452.372207]  ? __switch_to_asm+0x40/0x70
[  452.376280]  ? __switch_to_asm+0x34/0x70
[  452.380335]  ? __switch_to_asm+0x40/0x70
[  452.384392]  ? __switch_to_asm+0x40/0x70
[  452.388484]  ? __switch_to_asm+0x34/0x70
[  452.392556]  ? __switch_to_asm+0x34/0x70
[  452.396658]  ? __switch_to_asm+0x40/0x70
[  452.400729]  ? __switch_to_asm+0x34/0x70
[  452.404794]  bpf_clone_redirect+0xb9/0x490
[  452.409041]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  452.414064]  ? __sched_text_start+0x8/0x8
[  452.418212]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  452.422983]  ? find_held_lock+0x36/0x1c0
[  452.427053]  ? lock_acquire+0x1ed/0x520
[  452.431029]  ? bpf_test_run+0x3ee/0x7a0
[  452.435007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.440545]  ? check_preemption_disabled+0x48/0x280
[  452.445570]  ? kasan_check_read+0x11/0x20
[  452.449716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.454993]  ? rcu_softirq_qs+0x20/0x20
[  452.458969]  ? preempt_schedule+0x4d/0x60
[  452.463122]  ? ___preempt_schedule+0x16/0x18
[  452.467542]  ? bpf_test_run+0x271/0x7a0
[  452.471528]  ? netlink_diag_dump+0x2a0/0x2a0
[  452.475942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.481506]  ? bpf_test_init.isra.10+0x70/0x100
[  452.486199]  ? bpf_prog_test_run_skb+0x762/0xd60
[  452.490970]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  452.495820]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  452.501358]  ? fput+0x130/0x1a0
[  452.504645]  ? __bpf_prog_get+0x9b/0x290
[  452.508710]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  452.513554]  ? bpf_prog_test_run+0x130/0x1a0
[  452.517964]  ? __x64_sys_bpf+0x3d8/0x520
[  452.522027]  ? bpf_prog_get+0x20/0x20
[  452.525847]  ? do_syscall_64+0x1b9/0x820
[  452.529908]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  452.535279]  ? syscall_return_slowpath+0x5e0/0x5e0
[  452.540211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.545071]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.550090]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  452.555108]  ? prepare_exit_to_usermode+0x291/0x3b0
[  452.560129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.564988]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  452.570425] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  452.570579] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  452.577375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  452.587864] syz-executor2 cpuset=syz2 mems_allowed=0
[  452.597208] Call Trace:
[  452.604907]  dump_stack+0x244/0x39d
[  452.608545]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.613737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.619318]  warn_alloc.cold.116+0xb7/0x1bd
[  452.623662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  452.628514]  ? lock_downgrade+0x900/0x900
[  452.632677]  ? trace_hardirqs_off+0xb8/0x310
[  452.637094]  ? trace_hardirqs_off+0xb8/0x310
[  452.641514]  __alloc_pages_slowpath+0x2651/0x2de0
[  452.646390]  ? warn_alloc+0x120/0x120
[  452.650211]  ? print_usage_bug+0xc0/0xc0
[  452.654275]  ? warn_alloc+0x120/0x120
[  452.658107]  ? warn_alloc+0x120/0x120
[  452.661914]  ? print_usage_bug+0xc0/0xc0
[  452.665993]  ? print_usage_bug+0xc0/0xc0
[  452.670069]  ? __lock_acquire+0x62f/0x4c20
[  452.674306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.679867]  ? should_fail+0x22d/0xd01
[  452.683758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.688864]  ? __lock_acquire+0x62f/0x4c20
[  452.693107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.698211]  ? __lock_acquire+0x62f/0x4c20
[  452.702447]  ? should_fail+0x22d/0xd01
[  452.706333]  ? find_held_lock+0x36/0x1c0
[  452.710412]  ? mark_held_locks+0x130/0x130
[  452.714654]  ? mark_held_locks+0x130/0x130
[  452.718890]  ? zap_class+0x640/0x640
[  452.722614]  ? mark_held_locks+0xc7/0x130
[  452.726760]  ? do_raw_spin_unlock+0xa7/0x330
[  452.731170]  ? zap_class+0x640/0x640
[  452.734889]  ? print_usage_bug+0xc0/0xc0
[  452.738989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.744525]  ? check_preemption_disabled+0x48/0x280
[  452.749577]  ? __lock_is_held+0xb5/0x140
[  452.753645]  __alloc_pages_nodemask+0xad8/0xea0
[  452.758314]  ? zap_class+0x640/0x640
[  452.762034]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  452.767065]  ? find_held_lock+0x36/0x1c0
[  452.771151]  ? ____cache_alloc_node+0x1c7/0x1e0
[  452.775839]  ? lock_downgrade+0x900/0x900
[  452.780010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.785553]  cache_grow_begin+0xa5/0x8c0
[  452.789612]  ? do_raw_spin_unlock+0xa7/0x330
[  452.794034]  fallback_alloc+0x204/0x2e0
[  452.798019]  ____cache_alloc_node+0x1c7/0x1e0
[  452.802549]  kmem_cache_alloc_node+0xe3/0x730
[  452.807059]  ? ipv6_get_ifaddr+0x42e/0x620
[  452.811305]  __alloc_skb+0x119/0x770
[  452.815038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.820317]  ? netdev_alloc_frag+0x1f0/0x1f0
[  452.824739]  ? lock_downgrade+0x900/0x900
[  452.828894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.834438]  ? refcount_sub_and_test_checked+0x203/0x310
[  452.839897]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  452.845390]  ? addrconf_rs_timer+0x690/0x690
[  452.849823]  ndisc_alloc_skb+0x144/0x340
[  452.853907]  ndisc_send_rs+0x331/0x6e0
[  452.857805]  addrconf_rs_timer+0x314/0x690
[  452.862046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.866290]  call_timer_fn+0x272/0x920
[  452.870182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.874423]  ? process_timeout+0x40/0x40
[  452.878498]  ? __run_timers+0x7da/0xc70
[  452.882479]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.886976]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.891476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.895712]  ? lockdep_hardirqs_on+0x296/0x5b0
[  452.900296]  ? trace_hardirqs_on+0xbd/0x310
[  452.904616]  ? kasan_check_read+0x11/0x20
[  452.908768]  ? __run_timers+0x7da/0xc70
[  452.912748]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.917857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.922101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.926336]  __run_timers+0x7e5/0xc70
[  452.930150]  ? timer_fixup_init+0x70/0x70
[  452.934300]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.938795]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.943291]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.947870]  ? trace_hardirqs_on+0xbd/0x310
[  452.952204]  ? kasan_check_read+0x11/0x20
[  452.956365]  ? finish_task_switch+0x1f4/0x910
[  452.960871]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.965995]  ? compat_start_thread+0x80/0x80
[  452.970448]  ? pvclock_read_flags+0x160/0x160
[  452.974948]  ? __switch_to_asm+0x34/0x70
[  452.979017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.984557]  ? check_preemption_disabled+0x48/0x280
[  452.989585]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  452.995143]  ? rcu_pm_notify+0xc0/0xc0
[  452.999036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.004575]  ? check_preemption_disabled+0x48/0x280
[  453.009611]  run_timer_softirq+0x52/0xb0
[  453.013675]  ? rcu_read_lock_sched_held+0x14f/0x180
[  453.018706]  __do_softirq+0x308/0xb7e
[  453.022513]  ? retint_kernel+0x2d/0x2d
[  453.026413]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  453.031519]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  453.036967]  ? retint_kernel+0x2d/0x2d
[  453.040859]  ? schedule+0x108/0x460
[  453.044496]  ? trace_hardirqs_off+0xb8/0x310
[  453.048925]  ? smpboot_thread_fn+0x68b/0xa00
[  453.053351]  ? trace_hardirqs_on+0x310/0x310
[  453.057763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.063444]  ? check_preemption_disabled+0x48/0x280
[  453.068465]  ? takeover_tasklets+0xa90/0xa90
[  453.072875]  run_ksoftirqd+0x5e/0x100
[  453.076677]  smpboot_thread_fn+0x68b/0xa00
[  453.080917]  ? sort_range+0x30/0x30
[  453.084555]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  453.089689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.095240]  ? __kthread_parkme+0xfb/0x1a0
[  453.099481]  ? sort_range+0x30/0x30
[  453.103107]  kthread+0x35a/0x440
[  453.106477]  ? kthread_stop+0x900/0x900
[  453.110458]  ret_from_fork+0x3a/0x50
[  453.114194] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  453.114199] warn_alloc_show_mem: 1 callbacks suppressed
[  453.114207] Mem-Info:
[  453.121564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.126933] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  453.126933]  active_file:133 inactive_file:117 isolated_file:0
[  453.126933]  unevictable:0 dirty:3 writeback:0 unstable:0
[  453.126933]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  453.126933]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  453.126933]  free:13727 free_pcp:164 free_cma:0
[  453.129302] Call Trace:
[  453.138709] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  453.171899]  <IRQ>
[  453.174477] 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
[  453.202243]  dump_stack+0x244/0x39d
[  453.204367] lowmem_reserve[]: 0 2818 6321 6321
[  453.230474]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.234079] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  453.238659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.243825] lowmem_reserve[]: 0 0 3503 3503
[  453.271438]  warn_alloc.cold.116+0xb7/0x1bd
[  453.276944] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  453.281262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.285554] lowmem_reserve[]: 0 0 0 0
[  453.314803]  ? lock_downgrade+0x900/0x900
[  453.319621] 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
[  453.323434]  ? trace_hardirqs_off+0xb8/0x310
[  453.327550] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  453.341074]  ? trace_hardirqs_off+0xb8/0x310
[  453.345461] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  453.360817]  __alloc_pages_slowpath+0x2651/0x2de0
[  453.365202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  453.378734]  ? warn_alloc+0x120/0x120
[  453.383535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  453.392361]  ? warn_alloc+0x120/0x120
[  453.396136] 2220 total pagecache pages
[  453.404703]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  453.408482] 0 pages in swap cache
[  453.412355]  ? warn_alloc+0x120/0x120
[  453.417351] Swap cache stats: add 0, delete 0, find 0/0
[  453.420798]  ? print_usage_bug+0xc0/0xc0
[  453.424574] Free swap  = 0kB
[  453.429928]  ? print_usage_bug+0xc0/0xc0
[  453.433989] Total swap = 0kB
[  453.437006]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  453.441046] 1965979 pages RAM
[  453.444065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.449226] 0 pages HighMem/MovableOnly
[  453.452328]  ? should_fail+0x22d/0xd01
[  453.457837] 342854 pages reserved
[  453.461809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.465669] 0 pages cma reserved
[  453.469116]  ? __lock_acquire+0x62f/0x4c20
[  453.474264] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  453.477551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.481850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  453.488265]  ? should_fail+0x22d/0xd01
[  453.493330] ksoftirqd/1 cpuset=/ mems_allowed=0
[  453.503649]  ? mark_held_locks+0x130/0x130
[  453.516412]  ? mark_held_locks+0x130/0x130
[  453.520657]  ? print_usage_bug+0xc0/0xc0
[  453.524727]  ? find_held_lock+0x36/0x1c0
[  453.528791]  ? zap_class+0x640/0x640
[  453.532515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.538056]  ? check_preemption_disabled+0x48/0x280
[  453.543083]  ? __lock_is_held+0xb5/0x140
[  453.547150]  __alloc_pages_nodemask+0xad8/0xea0
[  453.551820]  ? zap_class+0x640/0x640
[  453.555540]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  453.560572]  ? find_held_lock+0x36/0x1c0
[  453.564643]  ? ____cache_alloc_node+0x1c7/0x1e0
[  453.569314]  ? lock_downgrade+0x900/0x900
[  453.573471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.579016]  cache_grow_begin+0xa5/0x8c0
[  453.583081]  ? do_raw_spin_unlock+0xa7/0x330
[  453.587503]  fallback_alloc+0x204/0x2e0
[  453.591484]  ____cache_alloc_node+0x1c7/0x1e0
[  453.595989]  kmem_cache_alloc_node+0xe3/0x730
[  453.600486]  ? mark_held_locks+0xc7/0x130
[  453.604649]  __alloc_skb+0x119/0x770
[  453.608370]  ? netdev_alloc_frag+0x1f0/0x1f0
[  453.612788]  ? do_raw_spin_trylock+0x270/0x270
[  453.617370]  ? kmem_cache_alloc_trace+0x353/0x750
[  453.622222]  ? queue_work_on+0x12c/0x1e0
[  453.626297]  ? switchdev_port_obj_del+0xdc/0x440
[  453.631052]  ? switchdev_trans_item_enqueue+0x260/0x260
[  453.636431]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  453.641488]  __br_mdb_notify+0x4ff/0x15d0
[  453.645636]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  453.650751]  ? __br_mdb_add+0x7f0/0x7f0
[  453.654733]  ? mark_held_locks+0x130/0x130
[  453.658995]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  453.664100]  ? debug_object_assert_init+0x368/0x4b0
[  453.669121]  ? debug_object_init_on_stack+0x20/0x20
[  453.674134]  ? zap_class+0x640/0x640
[  453.677853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.683423]  br_mdb_notify+0x310/0x410
[  453.687311]  ? br_mdb_dump+0x27b0/0x27b0
[  453.691387]  br_multicast_del_pg+0x3df/0x790
[  453.695818]  ? br_mdb_ip_get+0x940/0x940
[  453.699882]  ? rwlock_bug.part.2+0x90/0x90
[  453.704124]  ? __lock_is_held+0xb5/0x140
[  453.708196]  br_multicast_port_group_expired+0x189/0x1e0
[  453.713650]  call_timer_fn+0x272/0x920
[  453.717543]  ? br_multicast_del_pg+0x790/0x790
[  453.722136]  ? process_timeout+0x40/0x40
[  453.726264]  ? __run_timers+0x7da/0xc70
[  453.730254]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.734749]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.739242]  ? br_multicast_del_pg+0x790/0x790
[  453.743854]  ? lockdep_hardirqs_on+0x296/0x5b0
[  453.748454]  ? trace_hardirqs_on+0xbd/0x310
[  453.752797]  ? kasan_check_read+0x11/0x20
[  453.756944]  ? __run_timers+0x7da/0xc70
[  453.760941]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.766053]  ? br_multicast_del_pg+0x790/0x790
[  453.770642]  ? br_multicast_del_pg+0x790/0x790
[  453.775223]  __run_timers+0x7e5/0xc70
[  453.779038]  ? timer_fixup_init+0x70/0x70
[  453.783216]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  453.788231]  ? zap_class+0x640/0x640
[  453.791950]  ? enqueue_hrtimer+0x1a5/0x560
[  453.796191]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  453.801390]  ? find_held_lock+0x36/0x1c0
[  453.805472]  ? zap_class+0x640/0x640
[  453.809191]  ? pvclock_read_flags+0x160/0x160
[  453.813692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.819233]  ? check_preemption_disabled+0x48/0x280
[  453.824258]  ? __lock_is_held+0xb5/0x140
[  453.828327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.833871]  ? check_preemption_disabled+0x48/0x280
[  453.838895]  run_timer_softirq+0x52/0xb0
[  453.842959]  ? rcu_read_lock_sched_held+0x14f/0x180
[  453.847981]  __do_softirq+0x308/0xb7e
[  453.851789]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  453.856283]  ? lock_downgrade+0x900/0x900
[  453.860441]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  453.865554]  ? pvclock_read_flags+0x160/0x160
[  453.870051]  ? lapic_next_event+0x5a/0x90
[  453.874204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.879746]  ? kvm_clock_read+0x18/0x30
[  453.883720]  ? kvm_sched_clock_read+0x9/0x20
[  453.888145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.893699]  ? check_preemption_disabled+0x48/0x280
[  453.898724]  irq_exit+0x17f/0x1c0
[  453.902196]  smp_apic_timer_interrupt+0x1cb/0x760
[  453.907041]  ? smp_reschedule_interrupt+0x109/0x650
[  453.912061]  ? smp_call_function_single_interrupt+0x650/0x650
[  453.917946]  ? interrupt_entry+0xb5/0xc0
[  453.922007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.927036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.932052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.936900]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.941912]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.946927]  ? task_prio+0x50/0x50
[  453.950474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.956013]  ? check_preemption_disabled+0x48/0x280
[  453.961034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.965901]  apic_timer_interrupt+0xf/0x20
[  453.970129]  </IRQ>
[  453.972370] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  453.977311] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  453.996222] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  454.003960] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  454.011226] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  454.018506] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  454.025774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  454.033042] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  454.040359]  skb_clone+0x1bb/0x500
[  454.043943]  ? skb_split+0x11e0/0x11e0
[  454.047845]  ? preempt_notifier_register+0x200/0x200
[  454.052947]  ? __switch_to_asm+0x34/0x70
[  454.057010]  ? __switch_to_asm+0x34/0x70
[  454.061068]  ? __switch_to_asm+0x40/0x70
[  454.065129]  ? __switch_to_asm+0x34/0x70
[  454.069192]  ? __switch_to_asm+0x40/0x70
[  454.073254]  ? __switch_to_asm+0x40/0x70
[  454.077325]  ? __switch_to_asm+0x34/0x70
[  454.081410]  ? __switch_to_asm+0x34/0x70
[  454.085479]  ? __switch_to_asm+0x40/0x70
[  454.089542]  ? __switch_to_asm+0x34/0x70
[  454.093611]  bpf_clone_redirect+0xb9/0x490
[  454.097873]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  454.102892]  ? __sched_text_start+0x8/0x8
[  454.107055]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  454.111840]  ? find_held_lock+0x36/0x1c0
[  454.115911]  ? lock_acquire+0x1ed/0x520
[  454.119900]  ? bpf_test_run+0x3ee/0x7a0
[  454.123946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.129517]  ? check_preemption_disabled+0x48/0x280
[  454.134543]  ? kasan_check_read+0x11/0x20
[  454.138713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.144001]  ? rcu_softirq_qs+0x20/0x20
[  454.147975]  ? preempt_schedule+0x4d/0x60
[  454.152125]  ? ___preempt_schedule+0x16/0x18
[  454.156545]  ? bpf_test_run+0x271/0x7a0
[  454.160535]  ? netlink_diag_dump+0x2a0/0x2a0
[  454.164999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.170534]  ? bpf_test_init.isra.10+0x70/0x100
[  454.175208]  ? bpf_prog_test_run_skb+0x762/0xd60
[  454.179975]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  454.184826]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  454.190362]  ? fput+0x130/0x1a0
[  454.193759]  ? __bpf_prog_get+0x9b/0x290
[  454.197824]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  454.202667]  ? bpf_prog_test_run+0x130/0x1a0
[  454.207076]  ? __x64_sys_bpf+0x3d8/0x520
[  454.211136]  ? bpf_prog_get+0x20/0x20
[  454.214970]  ? do_syscall_64+0x1b9/0x820
[  454.219043]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  454.224422]  ? syscall_return_slowpath+0x5e0/0x5e0
[  454.229355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.234202]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.239223]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  454.244244]  ? prepare_exit_to_usermode+0x291/0x3b0
[  454.249267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.254117]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  454.259501] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  454.259650] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  454.266443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.266467] Call Trace:
[  454.276965] syz-executor2 cpuset=syz2 mems_allowed=0
[  454.286318]  dump_stack+0x244/0x39d
[  454.297593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  454.302788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.308357]  warn_alloc.cold.116+0xb7/0x1bd
[  454.312678]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  454.317541]  ? lock_downgrade+0x900/0x900
[  454.321710]  ? trace_hardirqs_off+0xb8/0x310
[  454.326126]  ? trace_hardirqs_off+0xb8/0x310
[  454.330549]  __alloc_pages_slowpath+0x2651/0x2de0
[  454.335432]  ? warn_alloc+0x120/0x120
[  454.339239]  ? print_usage_bug+0xc0/0xc0
[  454.343306]  ? warn_alloc+0x120/0x120
[  454.347112]  ? warn_alloc+0x120/0x120
[  454.350937]  ? print_usage_bug+0xc0/0xc0
[  454.355034]  ? print_usage_bug+0xc0/0xc0
[  454.359099]  ? __lock_acquire+0x62f/0x4c20
[  454.363355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.368935]  ? should_fail+0x22d/0xd01
[  454.372833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.377946]  ? __lock_acquire+0x62f/0x4c20
[  454.382187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.387321]  ? __lock_acquire+0x62f/0x4c20
[  454.391567]  ? should_fail+0x22d/0xd01
[  454.395460]  ? find_held_lock+0x36/0x1c0
[  454.399530]  ? mark_held_locks+0x130/0x130
[  454.403769]  ? mark_held_locks+0x130/0x130
[  454.408001]  ? zap_class+0x640/0x640
[  454.411735]  ? mark_held_locks+0xc7/0x130
[  454.415895]  ? do_raw_spin_unlock+0xa7/0x330
[  454.420314]  ? zap_class+0x640/0x640
[  454.424030]  ? print_usage_bug+0xc0/0xc0
[  454.428099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.433638]  ? check_preemption_disabled+0x48/0x280
[  454.438670]  ? __lock_is_held+0xb5/0x140
[  454.442738]  __alloc_pages_nodemask+0xad8/0xea0
[  454.447429]  ? zap_class+0x640/0x640
[  454.451148]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  454.456180]  ? find_held_lock+0x36/0x1c0
[  454.460250]  ? ____cache_alloc_node+0x1c7/0x1e0
[  454.464925]  ? lock_downgrade+0x900/0x900
[  454.469085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.474630]  cache_grow_begin+0xa5/0x8c0
[  454.478689]  ? do_raw_spin_unlock+0xa7/0x330
[  454.483105]  fallback_alloc+0x204/0x2e0
[  454.487089]  ____cache_alloc_node+0x1c7/0x1e0
[  454.491590]  kmem_cache_alloc_node+0xe3/0x730
[  454.496086]  ? ipv6_get_ifaddr+0x42e/0x620
[  454.500331]  __alloc_skb+0x119/0x770
[  454.504057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.509339]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.513751]  ? lock_downgrade+0x900/0x900
[  454.517906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.523454]  ? refcount_sub_and_test_checked+0x203/0x310
[  454.528913]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  454.534389]  ? addrconf_rs_timer+0x690/0x690
[  454.538820]  ndisc_alloc_skb+0x144/0x340
[  454.542886]  ndisc_send_rs+0x331/0x6e0
[  454.546785]  addrconf_rs_timer+0x314/0x690
[  454.551055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.555304]  call_timer_fn+0x272/0x920
[  454.559191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.563432]  ? process_timeout+0x40/0x40
[  454.567506]  ? __run_timers+0x7da/0xc70
[  454.571485]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.575982]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.580478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.584716]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.589315]  ? trace_hardirqs_on+0xbd/0x310
[  454.593637]  ? kasan_check_read+0x11/0x20
[  454.597795]  ? __run_timers+0x7da/0xc70
[  454.601771]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.606907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.611187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.615429]  __run_timers+0x7e5/0xc70
[  454.619256]  ? timer_fixup_init+0x70/0x70
[  454.623410]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.627926]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.632428]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.637012]  ? trace_hardirqs_on+0xbd/0x310
[  454.641350]  ? kasan_check_read+0x11/0x20
[  454.645503]  ? finish_task_switch+0x1f4/0x910
[  454.650005]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.655112]  ? compat_start_thread+0x80/0x80
[  454.659545]  ? pvclock_read_flags+0x160/0x160
[  454.664034]  ? __switch_to_asm+0x34/0x70
[  454.668098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.673636]  ? check_preemption_disabled+0x48/0x280
[  454.678666]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  454.684205]  ? rcu_pm_notify+0xc0/0xc0
[  454.688100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.693638]  ? check_preemption_disabled+0x48/0x280
[  454.698658]  run_timer_softirq+0x52/0xb0
[  454.702718]  ? rcu_read_lock_sched_held+0x14f/0x180
[  454.707738]  __do_softirq+0x308/0xb7e
[  454.711542]  ? retint_kernel+0x2d/0x2d
[  454.715459]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  454.720565]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  454.726017]  ? retint_kernel+0x2d/0x2d
[  454.729949]  ? schedule+0x108/0x460
[  454.733586]  ? trace_hardirqs_off+0xb8/0x310
[  454.737994]  ? smpboot_thread_fn+0x68b/0xa00
[  454.742423]  ? trace_hardirqs_on+0x310/0x310
[  454.746836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.752374]  ? check_preemption_disabled+0x48/0x280
[  454.757414]  ? takeover_tasklets+0xa90/0xa90
[  454.761828]  run_ksoftirqd+0x5e/0x100
[  454.765632]  smpboot_thread_fn+0x68b/0xa00
[  454.769869]  ? sort_range+0x30/0x30
[  454.773498]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.778601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.784143]  ? __kthread_parkme+0xfb/0x1a0
[  454.788383]  ? sort_range+0x30/0x30
[  454.792021]  kthread+0x35a/0x440
[  454.795390]  ? kthread_stop+0x900/0x900
[  454.799380]  ret_from_fork+0x3a/0x50
[  454.803115] warn_alloc_show_mem: 1 callbacks suppressed
[  454.803127] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  454.803129] Mem-Info:
[  454.803162] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  454.803162]  active_file:133 inactive_file:117 isolated_file:0
[  454.803162]  unevictable:0 dirty:3 writeback:0 unstable:0
[  454.803162]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  454.803162]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  454.803162]  free:13727 free_pcp:164 free_cma:0
[  454.808493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.808502] Call Trace:
[  454.815868] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  454.818264]  <IRQ>
[  454.851491] 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
[  454.860838]  dump_stack+0x244/0x39d
[  454.863407] lowmem_reserve[]: 0 2818 6321 6321
[  454.891165]  ? dump_stack_print_info.cold.1+0x20/0x20
[  454.893295] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  454.919405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.923004] lowmem_reserve[]: 0 0 3503 3503
[  454.927586]  warn_alloc.cold.116+0xb7/0x1bd
[  454.932745] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  454.960325]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  454.965837] lowmem_reserve[]: 0 0 0 0
[  454.970156]  ? lock_downgrade+0x900/0x900
[  454.974453] 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
[  455.003685]  ? trace_hardirqs_off+0xb8/0x310
[  455.008499] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  455.012293]  ? trace_hardirqs_off+0xb8/0x310
[  455.016425] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  455.029962]  __alloc_pages_slowpath+0x2651/0x2de0
[  455.034363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  455.049724]  ? warn_alloc+0x120/0x120
[  455.054090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  455.068120]  ? warn_alloc+0x120/0x120
[  455.072945] 2220 total pagecache pages
[  455.081777]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  455.085560] 0 pages in swap cache
[  455.094125]  ? warn_alloc+0x120/0x120
[  455.097903] Swap cache stats: add 0, delete 0, find 0/0
[  455.101779]  ? print_usage_bug+0xc0/0xc0
[  455.106773] Free swap  = 0kB
[  455.110222]  ? print_usage_bug+0xc0/0xc0
[  455.114010] Total swap = 0kB
[  455.119368]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  455.123429] 1965979 pages RAM
[  455.126460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.130498] 0 pages HighMem/MovableOnly
[  455.133512]  ? should_fail+0x22d/0xd01
[  455.138674] 342854 pages reserved
[  455.141777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.147285] 0 pages cma reserved
[  455.151251]  ? __lock_acquire+0x62f/0x4c20
[  455.155222] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  455.158559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.163718] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  455.166998]  ? should_fail+0x22d/0xd01
[  455.171209] ksoftirqd/1 cpuset=/ mems_allowed=0
[  455.177698]  ? mark_held_locks+0x130/0x130
[  455.205809]  ? mark_held_locks+0x130/0x130
[  455.210042]  ? print_usage_bug+0xc0/0xc0
[  455.214107]  ? find_held_lock+0x36/0x1c0
[  455.218171]  ? zap_class+0x640/0x640
[  455.221892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.227443]  ? check_preemption_disabled+0x48/0x280
[  455.232474]  ? __lock_is_held+0xb5/0x140
[  455.236541]  __alloc_pages_nodemask+0xad8/0xea0
[  455.241212]  ? zap_class+0x640/0x640
[  455.244931]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  455.249965]  ? find_held_lock+0x36/0x1c0
[  455.254038]  ? ____cache_alloc_node+0x1c7/0x1e0
[  455.258711]  ? lock_downgrade+0x900/0x900
[  455.262866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.268425]  cache_grow_begin+0xa5/0x8c0
[  455.272487]  ? do_raw_spin_unlock+0xa7/0x330
[  455.276908]  fallback_alloc+0x204/0x2e0
[  455.280891]  ____cache_alloc_node+0x1c7/0x1e0
[  455.285404]  kmem_cache_alloc_node+0xe3/0x730
[  455.289918]  ? mark_held_locks+0xc7/0x130
[  455.294078]  __alloc_skb+0x119/0x770
[  455.297801]  ? netdev_alloc_frag+0x1f0/0x1f0
[  455.302207]  ? do_raw_spin_trylock+0x270/0x270
[  455.306794]  ? kmem_cache_alloc_trace+0x353/0x750
[  455.311645]  ? queue_work_on+0x12c/0x1e0
[  455.315715]  ? switchdev_port_obj_del+0xdc/0x440
[  455.320476]  ? switchdev_trans_item_enqueue+0x260/0x260
[  455.325849]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  455.330902]  __br_mdb_notify+0x4ff/0x15d0
[  455.335062]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  455.340176]  ? __br_mdb_add+0x7f0/0x7f0
[  455.344152]  ? mark_held_locks+0x130/0x130
[  455.348391]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  455.353514]  ? debug_object_assert_init+0x368/0x4b0
[  455.358537]  ? debug_object_init_on_stack+0x20/0x20
[  455.363558]  ? zap_class+0x640/0x640
[  455.367292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.372832]  br_mdb_notify+0x310/0x410
[  455.376720]  ? br_mdb_dump+0x27b0/0x27b0
[  455.380797]  br_multicast_del_pg+0x3df/0x790
[  455.385212]  ? br_mdb_ip_get+0x940/0x940
[  455.389303]  ? rwlock_bug.part.2+0x90/0x90
[  455.393542]  ? __lock_is_held+0xb5/0x140
[  455.397619]  br_multicast_port_group_expired+0x189/0x1e0
[  455.403071]  call_timer_fn+0x272/0x920
[  455.406964]  ? br_multicast_del_pg+0x790/0x790
[  455.411549]  ? process_timeout+0x40/0x40
[  455.415621]  ? __run_timers+0x7da/0xc70
[  455.419595]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.424091]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.428588]  ? br_multicast_del_pg+0x790/0x790
[  455.433170]  ? lockdep_hardirqs_on+0x296/0x5b0
[  455.437759]  ? trace_hardirqs_on+0xbd/0x310
[  455.442079]  ? kasan_check_read+0x11/0x20
[  455.446226]  ? __run_timers+0x7da/0xc70
[  455.450206]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.455314]  ? br_multicast_del_pg+0x790/0x790
[  455.459904]  ? br_multicast_del_pg+0x790/0x790
[  455.464489]  __run_timers+0x7e5/0xc70
[  455.468301]  ? timer_fixup_init+0x70/0x70
[  455.472457]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  455.477473]  ? zap_class+0x640/0x640
[  455.481192]  ? enqueue_hrtimer+0x1a5/0x560
[  455.485443]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  455.490643]  ? find_held_lock+0x36/0x1c0
[  455.494708]  ? zap_class+0x640/0x640
[  455.498438]  ? pvclock_read_flags+0x160/0x160
[  455.502935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.508473]  ? check_preemption_disabled+0x48/0x280
[  455.513498]  ? __lock_is_held+0xb5/0x140
[  455.517561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.523103]  ? check_preemption_disabled+0x48/0x280
[  455.528122]  run_timer_softirq+0x52/0xb0
[  455.532182]  ? rcu_read_lock_sched_held+0x14f/0x180
[  455.537202]  __do_softirq+0x308/0xb7e
[  455.541008]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  455.545508]  ? lock_downgrade+0x900/0x900
[  455.549660]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  455.554771]  ? pvclock_read_flags+0x160/0x160
[  455.559269]  ? lapic_next_event+0x5a/0x90
[  455.563459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.569017]  ? kvm_clock_read+0x18/0x30
[  455.572994]  ? kvm_sched_clock_read+0x9/0x20
[  455.577417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.582965]  ? check_preemption_disabled+0x48/0x280
[  455.588009]  irq_exit+0x17f/0x1c0
[  455.591467]  smp_apic_timer_interrupt+0x1cb/0x760
[  455.596307]  ? smp_reschedule_interrupt+0x109/0x650
[  455.601329]  ? smp_call_function_single_interrupt+0x650/0x650
[  455.607215]  ? interrupt_entry+0xb5/0xc0
[  455.611307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.616326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.621343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.626189]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.631203]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.636224]  ? task_prio+0x50/0x50
[  455.639781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.645318]  ? check_preemption_disabled+0x48/0x280
[  455.650341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.655192]  apic_timer_interrupt+0xf/0x20
[  455.659430]  </IRQ>
[  455.661674] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  455.666605] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  455.685501] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  455.693209] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  455.700477] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  455.707746] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  455.715014] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  455.722283] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  455.729589]  skb_clone+0x1bb/0x500
[  455.733132]  ? skb_split+0x11e0/0x11e0
[  455.737026]  ? preempt_notifier_register+0x200/0x200
[  455.742157]  ? __switch_to_asm+0x34/0x70
[  455.746219]  ? __switch_to_asm+0x34/0x70
[  455.750277]  ? __switch_to_asm+0x40/0x70
[  455.754340]  ? __switch_to_asm+0x34/0x70
[  455.758406]  ? __switch_to_asm+0x40/0x70
[  455.762470]  ? __switch_to_asm+0x40/0x70
[  455.766533]  ? __switch_to_asm+0x34/0x70
[  455.770594]  ? __switch_to_asm+0x34/0x70
[  455.774654]  ? __switch_to_asm+0x40/0x70
[  455.778710]  ? __switch_to_asm+0x34/0x70
[  455.782775]  bpf_clone_redirect+0xb9/0x490
[  455.787019]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  455.792040]  ? __sched_text_start+0x8/0x8
[  455.796191]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  455.800960]  ? find_held_lock+0x36/0x1c0
[  455.805027]  ? lock_acquire+0x1ed/0x520
[  455.808998]  ? bpf_test_run+0x3ee/0x7a0
[  455.812971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.818508]  ? check_preemption_disabled+0x48/0x280
[  455.823537]  ? kasan_check_read+0x11/0x20
[  455.827685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.832992]  ? rcu_softirq_qs+0x20/0x20
[  455.836971]  ? preempt_schedule+0x4d/0x60
[  455.841119]  ? ___preempt_schedule+0x16/0x18
[  455.845539]  ? bpf_test_run+0x271/0x7a0
[  455.849527]  ? netlink_diag_dump+0x2a0/0x2a0
[  455.853940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.859479]  ? bpf_test_init.isra.10+0x70/0x100
[  455.864156]  ? bpf_prog_test_run_skb+0x762/0xd60
[  455.868921]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  455.873775]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  455.879312]  ? fput+0x130/0x1a0
[  455.882596]  ? __bpf_prog_get+0x9b/0x290
[  455.886662]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  455.891509]  ? bpf_prog_test_run+0x130/0x1a0
[  455.895920]  ? __x64_sys_bpf+0x3d8/0x520
[  455.899995]  ? bpf_prog_get+0x20/0x20
[  455.903818]  ? do_syscall_64+0x1b9/0x820
[  455.907880]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  455.913247]  ? syscall_return_slowpath+0x5e0/0x5e0
[  455.918181]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.923029]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.928045]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  455.933067]  ? prepare_exit_to_usermode+0x291/0x3b0
[  455.938092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.942956]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  455.948336] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  455.948508] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  455.955267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  455.965734] syz-executor2 cpuset=syz2 mems_allowed=0
[  455.975076] Call Trace:
[  455.982746]  dump_stack+0x244/0x39d
[  455.986383]  ? dump_stack_print_info.cold.1+0x20/0x20
[  455.991584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.997137]  warn_alloc.cold.116+0xb7/0x1bd
[  456.001463]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.006311]  ? lock_downgrade+0x900/0x900
[  456.010468]  ? trace_hardirqs_off+0xb8/0x310
[  456.014901]  ? trace_hardirqs_off+0xb8/0x310
[  456.019323]  __alloc_pages_slowpath+0x2651/0x2de0
[  456.024201]  ? warn_alloc+0x120/0x120
[  456.028005]  ? print_usage_bug+0xc0/0xc0
[  456.032068]  ? warn_alloc+0x120/0x120
[  456.035875]  ? warn_alloc+0x120/0x120
[  456.039678]  ? print_usage_bug+0xc0/0xc0
[  456.043762]  ? print_usage_bug+0xc0/0xc0
[  456.047838]  ? __lock_acquire+0x62f/0x4c20
[  456.052093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.057649]  ? should_fail+0x22d/0xd01
[  456.061547]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.066674]  ? __lock_acquire+0x62f/0x4c20
[  456.070933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.076039]  ? __lock_acquire+0x62f/0x4c20
[  456.080276]  ? should_fail+0x22d/0xd01
[  456.084165]  ? find_held_lock+0x36/0x1c0
[  456.088231]  ? mark_held_locks+0x130/0x130
[  456.092488]  ? mark_held_locks+0x130/0x130
[  456.096723]  ? zap_class+0x640/0x640
[  456.100464]  ? mark_held_locks+0xc7/0x130
[  456.104624]  ? do_raw_spin_unlock+0xa7/0x330
[  456.109034]  ? zap_class+0x640/0x640
[  456.112750]  ? print_usage_bug+0xc0/0xc0
[  456.116820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.122425]  ? check_preemption_disabled+0x48/0x280
[  456.127469]  ? __lock_is_held+0xb5/0x140
[  456.131551]  __alloc_pages_nodemask+0xad8/0xea0
[  456.136238]  ? zap_class+0x640/0x640
[  456.139961]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  456.145005]  ? find_held_lock+0x36/0x1c0
[  456.149082]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.153754]  ? lock_downgrade+0x900/0x900
[  456.157930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.163474]  cache_grow_begin+0xa5/0x8c0
[  456.167551]  ? do_raw_spin_unlock+0xa7/0x330
[  456.171984]  fallback_alloc+0x204/0x2e0
[  456.175967]  ____cache_alloc_node+0x1c7/0x1e0
[  456.180474]  kmem_cache_alloc_node+0xe3/0x730
[  456.184974]  ? ipv6_get_ifaddr+0x42e/0x620
[  456.189261]  __alloc_skb+0x119/0x770
[  456.193130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.198420]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.202831]  ? lock_downgrade+0x900/0x900
[  456.207004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.212557]  ? refcount_sub_and_test_checked+0x203/0x310
[  456.218012]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  456.223467]  ? addrconf_rs_timer+0x690/0x690
[  456.227941]  ndisc_alloc_skb+0x144/0x340
[  456.232007]  ndisc_send_rs+0x331/0x6e0
[  456.235902]  addrconf_rs_timer+0x314/0x690
[  456.240151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.244404]  call_timer_fn+0x272/0x920
[  456.248309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.252546]  ? process_timeout+0x40/0x40
[  456.256614]  ? __run_timers+0x7da/0xc70
[  456.260604]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.265103]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.269613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.273866]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.278452]  ? trace_hardirqs_on+0xbd/0x310
[  456.282772]  ? kasan_check_read+0x11/0x20
[  456.286925]  ? __run_timers+0x7da/0xc70
[  456.290908]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.296029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.300271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.304506]  __run_timers+0x7e5/0xc70
[  456.308314]  ? timer_fixup_init+0x70/0x70
[  456.312479]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.316969]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.321480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.326064]  ? trace_hardirqs_on+0xbd/0x310
[  456.330383]  ? kasan_check_read+0x11/0x20
[  456.334542]  ? finish_task_switch+0x1f4/0x910
[  456.339040]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.344139]  ? compat_start_thread+0x80/0x80
[  456.348570]  ? pvclock_read_flags+0x160/0x160
[  456.353065]  ? __switch_to_asm+0x34/0x70
[  456.357128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.362679]  ? check_preemption_disabled+0x48/0x280
[  456.367706]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  456.373245]  ? rcu_pm_notify+0xc0/0xc0
[  456.377148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.382722]  ? check_preemption_disabled+0x48/0x280
[  456.387757]  run_timer_softirq+0x52/0xb0
[  456.391822]  ? rcu_read_lock_sched_held+0x14f/0x180
[  456.396838]  __do_softirq+0x308/0xb7e
[  456.400646]  ? retint_kernel+0x2d/0x2d
[  456.404543]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  456.409647]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  456.415097]  ? retint_kernel+0x2d/0x2d
[  456.418990]  ? schedule+0x108/0x460
[  456.422627]  ? trace_hardirqs_off+0xb8/0x310
[  456.427036]  ? smpboot_thread_fn+0x68b/0xa00
[  456.431447]  ? trace_hardirqs_on+0x310/0x310
[  456.435860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.441409]  ? check_preemption_disabled+0x48/0x280
[  456.446439]  ? takeover_tasklets+0xa90/0xa90
[  456.450855]  run_ksoftirqd+0x5e/0x100
[  456.454660]  smpboot_thread_fn+0x68b/0xa00
[  456.459072]  ? sort_range+0x30/0x30
[  456.462703]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  456.467809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.473358]  ? __kthread_parkme+0xfb/0x1a0
[  456.477597]  ? sort_range+0x30/0x30
[  456.481223]  kthread+0x35a/0x440
[  456.484591]  ? kthread_stop+0x900/0x900
[  456.488566]  ret_from_fork+0x3a/0x50
[  456.492296] warn_alloc_show_mem: 1 callbacks suppressed
[  456.492307] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  456.492309] Mem-Info:
[  456.492341] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  456.492341]  active_file:133 inactive_file:117 isolated_file:0
[  456.492341]  unevictable:0 dirty:3 writeback:0 unstable:0
[  456.492341]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  456.492341]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  456.492341]  free:13727 free_pcp:164 free_cma:0
[  456.497676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.505043] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  456.507449] Call Trace:
[  456.540660] 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
[  456.550007]  <IRQ>
[  456.577739] lowmem_reserve[]: 0 2818 6321 6321
[  456.580332]  dump_stack+0x244/0x39d
[  456.606428] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  456.608577]  ? dump_stack_print_info.cold.1+0x20/0x20
[  456.613130] lowmem_reserve[]: 0 0 3503 3503
[  456.616752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.644309] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  456.649495]  warn_alloc.cold.116+0xb7/0x1bd
[  456.653786] lowmem_reserve[]: 0 0 0 0
[  456.659315]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.688527] 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
[  456.692861]  ? lock_downgrade+0x900/0x900
[  456.696633] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  456.701473]  ? trace_hardirqs_off+0xb8/0x310
[  456.714971] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  456.719118]  ? trace_hardirqs_off+0xb8/0x310
[  456.734443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  456.738840]  __alloc_pages_slowpath+0x2651/0x2de0
[  456.752342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  456.756764]  ? warn_alloc+0x120/0x120
[  456.765554] 2220 total pagecache pages
[  456.770391]  ? warn_alloc+0x120/0x120
[  456.778957] 0 pages in swap cache
[  456.782744]  ? warn_alloc+0x120/0x120
[  456.786612] Swap cache stats: add 0, delete 0, find 0/0
[  456.790413]  ? print_usage_bug+0xc0/0xc0
[  456.793838] Free swap  = 0kB
[  456.797630]  ? print_usage_bug+0xc0/0xc0
[  456.802966] Total swap = 0kB
[  456.807027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.810020] 1965979 pages RAM
[  456.814073]  ? should_fail+0x22d/0xd01
[  456.817082] 0 pages HighMem/MovableOnly
[  456.822613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.825693] 342854 pages reserved
[  456.829572]  ? __lock_acquire+0x62f/0x4c20
[  456.833526] 0 pages cma reserved
[  456.838625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.842126] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  456.846282]  ? should_fail+0x22d/0xd01
[  456.849710] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  456.854730]  ? mark_held_locks+0x130/0x130
[  456.861193] ksoftirqd/1 cpuset=/ mems_allowed=0
[  456.865073]  ? mark_held_locks+0x130/0x130
[  456.888497]  ? print_usage_bug+0xc0/0xc0
[  456.892566]  ? find_held_lock+0x36/0x1c0
[  456.896646]  ? zap_class+0x640/0x640
[  456.900368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.905938]  ? check_preemption_disabled+0x48/0x280
[  456.910962]  ? __lock_is_held+0xb5/0x140
[  456.915033]  __alloc_pages_nodemask+0xad8/0xea0
[  456.919702]  ? zap_class+0x640/0x640
[  456.923432]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  456.928474]  ? find_held_lock+0x36/0x1c0
[  456.932547]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.937218]  ? lock_downgrade+0x900/0x900
[  456.941375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.946927]  cache_grow_begin+0xa5/0x8c0
[  456.950992]  ? do_raw_spin_unlock+0xa7/0x330
[  456.955428]  fallback_alloc+0x204/0x2e0
[  456.959428]  ____cache_alloc_node+0x1c7/0x1e0
[  456.963931]  kmem_cache_alloc_node+0xe3/0x730
[  456.968478]  ? mark_held_locks+0xc7/0x130
[  456.972635]  __alloc_skb+0x119/0x770
[  456.976352]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.980763]  ? do_raw_spin_trylock+0x270/0x270
[  456.985395]  ? kmem_cache_alloc_trace+0x353/0x750
[  456.990256]  ? queue_work_on+0x12c/0x1e0
[  456.994325]  ? switchdev_port_obj_del+0xdc/0x440
[  456.999084]  ? switchdev_trans_item_enqueue+0x260/0x260
[  457.004460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  457.009504]  __br_mdb_notify+0x4ff/0x15d0
[  457.013663]  ? __br_mdb_add+0x7f0/0x7f0
[  457.017652]  ? zap_class+0x640/0x640
[  457.021412]  ? br_multicast_group_expired+0x96/0x610
[  457.026602]  br_mdb_notify+0x310/0x410
[  457.030504]  ? br_mdb_dump+0x27b0/0x27b0
[  457.034570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.040119]  br_multicast_group_expired+0x1bc/0x610
[  457.045147]  ? br_mdb_free+0x80/0x80
[  457.048888]  call_timer_fn+0x272/0x920
[  457.052793]  ? br_mdb_free+0x80/0x80
[  457.056510]  ? process_timeout+0x40/0x40
[  457.061088]  ? __run_timers+0x7da/0xc70
[  457.065064]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.069557]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.074049]  ? br_mdb_free+0x80/0x80
[  457.077764]  ? lockdep_hardirqs_on+0x296/0x5b0
[  457.082351]  ? trace_hardirqs_on+0xbd/0x310
[  457.086672]  ? kasan_check_read+0x11/0x20
[  457.090821]  ? __run_timers+0x7da/0xc70
[  457.094831]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.099940]  ? br_multicast_del_pg+0x790/0x790
[  457.104531]  ? br_mdb_free+0x80/0x80
[  457.108263]  __run_timers+0x7e5/0xc70
[  457.112120]  ? timer_fixup_init+0x70/0x70
[  457.116287]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  457.121306]  ? zap_class+0x640/0x640
[  457.125022]  ? enqueue_hrtimer+0x1a5/0x560
[  457.129261]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  457.134463]  ? find_held_lock+0x36/0x1c0
[  457.138527]  ? zap_class+0x640/0x640
[  457.142247]  ? pvclock_read_flags+0x160/0x160
[  457.146749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.152291]  ? check_preemption_disabled+0x48/0x280
[  457.157319]  ? __lock_is_held+0xb5/0x140
[  457.161379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.166933]  ? check_preemption_disabled+0x48/0x280
[  457.171957]  run_timer_softirq+0x52/0xb0
[  457.176018]  ? rcu_read_lock_sched_held+0x14f/0x180
[  457.181039]  __do_softirq+0x308/0xb7e
[  457.184858]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  457.189355]  ? lock_downgrade+0x900/0x900
[  457.193546]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  457.198653]  ? pvclock_read_flags+0x160/0x160
[  457.203152]  ? lapic_next_event+0x5a/0x90
[  457.207305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.212850]  ? kvm_clock_read+0x18/0x30
[  457.216844]  ? kvm_sched_clock_read+0x9/0x20
[  457.221257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.226820]  ? check_preemption_disabled+0x48/0x280
[  457.231849]  irq_exit+0x17f/0x1c0
[  457.235304]  smp_apic_timer_interrupt+0x1cb/0x760
[  457.240163]  ? smp_reschedule_interrupt+0x109/0x650
[  457.245185]  ? smp_call_function_single_interrupt+0x650/0x650
[  457.251072]  ? interrupt_entry+0xb5/0xc0
[  457.255153]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.260170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.265190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.270047]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.275066]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.280083]  ? task_prio+0x50/0x50
[  457.283625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.289164]  ? check_preemption_disabled+0x48/0x280
[  457.294185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.299040]  apic_timer_interrupt+0xf/0x20
[  457.303294]  </IRQ>
[  457.305552] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  457.310482] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  457.329382] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  457.337103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  457.344370] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  457.351644] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  457.358909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  457.366175] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  457.373484]  skb_clone+0x1bb/0x500
[  457.377031]  ? skb_split+0x11e0/0x11e0
[  457.380936]  ? preempt_notifier_register+0x200/0x200
[  457.386032]  ? __switch_to_asm+0x34/0x70
[  457.390105]  ? __switch_to_asm+0x34/0x70
[  457.394210]  ? __switch_to_asm+0x40/0x70
[  457.398285]  ? __switch_to_asm+0x34/0x70
[  457.402341]  ? __switch_to_asm+0x40/0x70
[  457.406412]  ? __switch_to_asm+0x40/0x70
[  457.410486]  ? __switch_to_asm+0x34/0x70
[  457.414549]  ? __switch_to_asm+0x34/0x70
[  457.418607]  ? __switch_to_asm+0x40/0x70
[  457.422668]  ? __switch_to_asm+0x34/0x70
[  457.426735]  bpf_clone_redirect+0xb9/0x490
[  457.430978]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  457.436000]  ? __sched_text_start+0x8/0x8
[  457.440151]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  457.444918]  ? find_held_lock+0x36/0x1c0
[  457.448995]  ? lock_acquire+0x1ed/0x520
[  457.452971]  ? bpf_test_run+0x3ee/0x7a0
[  457.456948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.462486]  ? check_preemption_disabled+0x48/0x280
[  457.467513]  ? kasan_check_read+0x11/0x20
[  457.471679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.476953]  ? rcu_softirq_qs+0x20/0x20
[  457.480925]  ? preempt_schedule+0x4d/0x60
[  457.485077]  ? ___preempt_schedule+0x16/0x18
[  457.489493]  ? bpf_test_run+0x271/0x7a0
[  457.493479]  ? netlink_diag_dump+0x2a0/0x2a0
[  457.497906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.503447]  ? bpf_test_init.isra.10+0x70/0x100
[  457.508123]  ? bpf_prog_test_run_skb+0x762/0xd60
[  457.512888]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  457.517740]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  457.523278]  ? fput+0x130/0x1a0
[  457.526563]  ? __bpf_prog_get+0x9b/0x290
[  457.530629]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  457.535472]  ? bpf_prog_test_run+0x130/0x1a0
[  457.539897]  ? __x64_sys_bpf+0x3d8/0x520
[  457.543958]  ? bpf_prog_get+0x20/0x20
[  457.547782]  ? do_syscall_64+0x1b9/0x820
[  457.551842]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  457.557209]  ? syscall_return_slowpath+0x5e0/0x5e0
[  457.562142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.567005]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.572022]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  457.577071]  ? prepare_exit_to_usermode+0x291/0x3b0
[  457.582098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.586951]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  457.592336] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  457.592502] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  457.599271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  457.609737] syz-executor2 cpuset=syz2 mems_allowed=0
[  457.619081] Call Trace:
[  457.626755]  dump_stack+0x244/0x39d
[  457.630393]  ? dump_stack_print_info.cold.1+0x20/0x20
[  457.635602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.641152]  warn_alloc.cold.116+0xb7/0x1bd
[  457.645476]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  457.650325]  ? lock_downgrade+0x900/0x900
[  457.654485]  ? trace_hardirqs_off+0xb8/0x310
[  457.658901]  ? trace_hardirqs_off+0xb8/0x310
[  457.663338]  __alloc_pages_slowpath+0x2651/0x2de0
[  457.668225]  ? warn_alloc+0x120/0x120
[  457.672034]  ? print_usage_bug+0xc0/0xc0
[  457.676097]  ? warn_alloc+0x120/0x120
[  457.679902]  ? warn_alloc+0x120/0x120
[  457.683736]  ? print_usage_bug+0xc0/0xc0
[  457.687808]  ? print_usage_bug+0xc0/0xc0
[  457.691872]  ? __lock_acquire+0x62f/0x4c20
[  457.696114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.701652]  ? should_fail+0x22d/0xd01
[  457.705545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.710649]  ? __lock_acquire+0x62f/0x4c20
[  457.714892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.719999]  ? __lock_acquire+0x62f/0x4c20
[  457.724235]  ? should_fail+0x22d/0xd01
[  457.728122]  ? find_held_lock+0x36/0x1c0
[  457.732193]  ? mark_held_locks+0x130/0x130
[  457.736442]  ? mark_held_locks+0x130/0x130
[  457.740695]  ? zap_class+0x640/0x640
[  457.744421]  ? mark_held_locks+0xc7/0x130
[  457.748571]  ? do_raw_spin_unlock+0xa7/0x330
[  457.752984]  ? zap_class+0x640/0x640
[  457.756701]  ? print_usage_bug+0xc0/0xc0
[  457.760770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.766312]  ? check_preemption_disabled+0x48/0x280
[  457.771339]  ? __lock_is_held+0xb5/0x140
[  457.775415]  __alloc_pages_nodemask+0xad8/0xea0
[  457.780086]  ? zap_class+0x640/0x640
[  457.783807]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  457.788839]  ? find_held_lock+0x36/0x1c0
[  457.792912]  ? ____cache_alloc_node+0x1c7/0x1e0
[  457.797592]  ? lock_downgrade+0x900/0x900
[  457.801748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.807289]  cache_grow_begin+0xa5/0x8c0
[  457.811351]  ? do_raw_spin_unlock+0xa7/0x330
[  457.815769]  fallback_alloc+0x204/0x2e0
[  457.819750]  ____cache_alloc_node+0x1c7/0x1e0
[  457.824255]  kmem_cache_alloc_node+0xe3/0x730
[  457.828753]  ? ipv6_get_ifaddr+0x42e/0x620
[  457.832999]  __alloc_skb+0x119/0x770
[  457.836711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.841995]  ? netdev_alloc_frag+0x1f0/0x1f0
[  457.846415]  ? lock_downgrade+0x900/0x900
[  457.850571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.856115]  ? refcount_sub_and_test_checked+0x203/0x310
[  457.861571]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  457.867037]  ? addrconf_rs_timer+0x690/0x690
[  457.871473]  ndisc_alloc_skb+0x144/0x340
[  457.875540]  ndisc_send_rs+0x331/0x6e0
[  457.879453]  addrconf_rs_timer+0x314/0x690
[  457.883695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.887947]  call_timer_fn+0x272/0x920
[  457.891839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.896103]  ? process_timeout+0x40/0x40
[  457.900175]  ? __run_timers+0x7da/0xc70
[  457.904150]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.908661]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.913157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.917391]  ? lockdep_hardirqs_on+0x296/0x5b0
[  457.921989]  ? trace_hardirqs_on+0xbd/0x310
[  457.926315]  ? kasan_check_read+0x11/0x20
[  457.930465]  ? __run_timers+0x7da/0xc70
[  457.934445]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.939556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.943800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.948033]  __run_timers+0x7e5/0xc70
[  457.951844]  ? timer_fixup_init+0x70/0x70
[  457.955994]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.960488]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.964986]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.969574]  ? trace_hardirqs_on+0xbd/0x310
[  457.973902]  ? kasan_check_read+0x11/0x20
[  457.978062]  ? finish_task_switch+0x1f4/0x910
[  457.982565]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.987669]  ? compat_start_thread+0x80/0x80
[  457.992099]  ? pvclock_read_flags+0x160/0x160
[  457.996596]  ? __switch_to_asm+0x34/0x70
[  458.000660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.006203]  ? check_preemption_disabled+0x48/0x280
[  458.011231]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  458.016774]  ? rcu_pm_notify+0xc0/0xc0
[  458.020670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.026211]  ? check_preemption_disabled+0x48/0x280
[  458.031232]  run_timer_softirq+0x52/0xb0
[  458.035297]  ? rcu_read_lock_sched_held+0x14f/0x180
[  458.040319]  __do_softirq+0x308/0xb7e
[  458.044123]  ? retint_kernel+0x2d/0x2d
[  458.048017]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  458.053125]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  458.058574]  ? retint_kernel+0x2d/0x2d
[  458.062475]  ? schedule+0x108/0x460
[  458.066116]  ? trace_hardirqs_off+0xb8/0x310
[  458.070527]  ? smpboot_thread_fn+0x68b/0xa00
[  458.074943]  ? trace_hardirqs_on+0x310/0x310
[  458.079355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.084896]  ? check_preemption_disabled+0x48/0x280
[  458.089917]  ? takeover_tasklets+0xa90/0xa90
[  458.094348]  run_ksoftirqd+0x5e/0x100
[  458.098154]  smpboot_thread_fn+0x68b/0xa00
[  458.102406]  ? sort_range+0x30/0x30
[  458.106039]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  458.111149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.116688]  ? __kthread_parkme+0xfb/0x1a0
[  458.120932]  ? sort_range+0x30/0x30
[  458.124560]  kthread+0x35a/0x440
[  458.127934]  ? kthread_stop+0x900/0x900
[  458.131913]  ret_from_fork+0x3a/0x50
[  458.135657] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  458.135663] warn_alloc_show_mem: 1 callbacks suppressed
[  458.135670] Mem-Info:
[  458.143024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  458.148392] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  458.148392]  active_file:133 inactive_file:117 isolated_file:0
[  458.148392]  unevictable:0 dirty:3 writeback:0 unstable:0
[  458.148392]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  458.148392]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  458.148392]  free:13727 free_pcp:164 free_cma:0
[  458.150766] Call Trace:
[  458.160157] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  458.193507]  <IRQ>
[  458.196084] 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
[  458.223844]  dump_stack+0x244/0x39d
[  458.225959] lowmem_reserve[]: 0 2818 6321 6321
[  458.252078]  ? dump_stack_print_info.cold.1+0x20/0x20
[  458.255676] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  458.260256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.265419] lowmem_reserve[]: 0 0 3503 3503
[  458.293022]  warn_alloc.cold.116+0xb7/0x1bd
[  458.298528] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  458.302849]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  458.307147] lowmem_reserve[]: 0 0 0 0
[  458.336382]  ? lock_downgrade+0x900/0x900
[  458.341198] 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
[  458.345018]  ? trace_hardirqs_off+0xb8/0x310
[  458.349135] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  458.362653]  ? trace_hardirqs_off+0xb8/0x310
[  458.367033] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  458.382374]  __alloc_pages_slowpath+0x2651/0x2de0
[  458.386760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  458.400290]  ? warn_alloc+0x120/0x120
[  458.405094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  458.413958]  ? warn_alloc+0x120/0x120
[  458.417735] 2220 total pagecache pages
[  458.426306]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  458.430107] 0 pages in swap cache
[  458.433984]  ? warn_alloc+0x120/0x120
[  458.438983] Swap cache stats: add 0, delete 0, find 0/0
[  458.442438]  ? print_usage_bug+0xc0/0xc0
[  458.446211] Free swap  = 0kB
[  458.451567]  ? print_usage_bug+0xc0/0xc0
[  458.455606] Total swap = 0kB
[  458.458622]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  458.462657] 1965979 pages RAM
[  458.465671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.470829] 0 pages HighMem/MovableOnly
[  458.473937]  ? should_fail+0x22d/0xd01
[  458.479446] 342854 pages reserved
[  458.483437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.487295] 0 pages cma reserved
[  458.490740]  ? __lock_acquire+0x62f/0x4c20
[  458.495888] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  458.499175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.499189]  ? should_fail+0x22d/0xd01
[  458.499213]  ? mark_held_locks+0x130/0x130
[  458.503504] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  458.509922]  ? mark_held_locks+0x130/0x130
[  458.515006] ksoftirqd/1 cpuset=/ mems_allowed=0
[  458.518900]  ? print_usage_bug+0xc0/0xc0
[  458.546341]  ? find_held_lock+0x36/0x1c0
[  458.550412]  ? zap_class+0x640/0x640
[  458.554151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.559694]  ? check_preemption_disabled+0x48/0x280
[  458.564724]  ? __lock_is_held+0xb5/0x140
[  458.568795]  __alloc_pages_nodemask+0xad8/0xea0
[  458.573465]  ? zap_class+0x640/0x640
[  458.577183]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  458.582214]  ? find_held_lock+0x36/0x1c0
[  458.586289]  ? ____cache_alloc_node+0x1c7/0x1e0
[  458.590965]  ? lock_downgrade+0x900/0x900
[  458.595136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.600686]  cache_grow_begin+0xa5/0x8c0
[  458.604747]  ? do_raw_spin_unlock+0xa7/0x330
[  458.609161]  fallback_alloc+0x204/0x2e0
[  458.613142]  ____cache_alloc_node+0x1c7/0x1e0
[  458.617647]  kmem_cache_alloc_node+0xe3/0x730
[  458.622162]  ? mark_held_locks+0xc7/0x130
[  458.626320]  __alloc_skb+0x119/0x770
[  458.630045]  ? netdev_alloc_frag+0x1f0/0x1f0
[  458.634477]  ? do_raw_spin_trylock+0x270/0x270
[  458.639077]  ? kmem_cache_alloc_trace+0x353/0x750
[  458.643928]  ? queue_work_on+0x12c/0x1e0
[  458.647997]  ? switchdev_port_obj_del+0xdc/0x440
[  458.652755]  ? switchdev_trans_item_enqueue+0x260/0x260
[  458.658128]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  458.663153]  __br_mdb_notify+0x4ff/0x15d0
[  458.667316]  ? __br_mdb_add+0x7f0/0x7f0
[  458.671304]  ? zap_class+0x640/0x640
[  458.675033]  ? br_multicast_group_expired+0x96/0x610
[  458.680138]  ? lock_downgrade+0x900/0x900
[  458.684294]  br_mdb_notify+0x310/0x410
[  458.688187]  ? br_mdb_dump+0x27b0/0x27b0
[  458.692254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.697804]  br_multicast_group_expired+0x1bc/0x610
[  458.702843]  ? br_mdb_free+0x80/0x80
[  458.706584]  call_timer_fn+0x272/0x920
[  458.710472]  ? br_mdb_free+0x80/0x80
[  458.714185]  ? process_timeout+0x40/0x40
[  458.718258]  ? __run_timers+0x7da/0xc70
[  458.722232]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.726727]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.731226]  ? br_mdb_free+0x80/0x80
[  458.734940]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.739526]  ? trace_hardirqs_on+0xbd/0x310
[  458.743852]  ? kasan_check_read+0x11/0x20
[  458.747997]  ? __run_timers+0x7da/0xc70
[  458.751972]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.757087]  ? br_mdb_free+0x80/0x80
[  458.760810]  ? br_mdb_free+0x80/0x80
[  458.764525]  __run_timers+0x7e5/0xc70
[  458.768338]  ? timer_fixup_init+0x70/0x70
[  458.772490]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  458.777510]  ? zap_class+0x640/0x640
[  458.781231]  ? enqueue_hrtimer+0x1a5/0x560
[  458.785468]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  458.790664]  ? find_held_lock+0x36/0x1c0
[  458.794735]  ? zap_class+0x640/0x640
[  458.798455]  ? pvclock_read_flags+0x160/0x160
[  458.802953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.808500]  ? check_preemption_disabled+0x48/0x280
[  458.813526]  ? __lock_is_held+0xb5/0x140
[  458.817594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.823131]  ? check_preemption_disabled+0x48/0x280
[  458.828153]  run_timer_softirq+0x52/0xb0
[  458.832216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  458.837233]  __do_softirq+0x308/0xb7e
[  458.841082]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  458.845606]  ? lock_downgrade+0x900/0x900
[  458.849757]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  458.854890]  ? pvclock_read_flags+0x160/0x160
[  458.859417]  ? lapic_next_event+0x5a/0x90
[  458.863577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.869118]  ? kvm_clock_read+0x18/0x30
[  458.873096]  ? kvm_sched_clock_read+0x9/0x20
[  458.877511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.883051]  ? check_preemption_disabled+0x48/0x280
[  458.888076]  irq_exit+0x17f/0x1c0
[  458.891536]  smp_apic_timer_interrupt+0x1cb/0x760
[  458.896376]  ? smp_reschedule_interrupt+0x109/0x650
[  458.901410]  ? smp_call_function_single_interrupt+0x650/0x650
[  458.907315]  ? interrupt_entry+0xb5/0xc0
[  458.911381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.916456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.921487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.926330]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.931339]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.936355]  ? task_prio+0x50/0x50
[  458.939897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.945468]  ? check_preemption_disabled+0x48/0x280
[  458.950489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.955340]  apic_timer_interrupt+0xf/0x20
[  458.959574]  </IRQ>
[  458.961817] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  458.966748] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  458.985657] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  458.993360] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  459.000629] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  459.007895] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  459.015173] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  459.022444] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  459.029759]  skb_clone+0x1bb/0x500
[  459.033301]  ? skb_split+0x11e0/0x11e0
[  459.037259]  ? preempt_notifier_register+0x200/0x200
[  459.042363]  ? __switch_to_asm+0x34/0x70
[  459.046440]  ? __switch_to_asm+0x34/0x70
[  459.050500]  ? __switch_to_asm+0x40/0x70
[  459.054557]  ? __switch_to_asm+0x34/0x70
[  459.058619]  ? __switch_to_asm+0x40/0x70
[  459.063164]  ? __switch_to_asm+0x40/0x70
[  459.067237]  ? __switch_to_asm+0x34/0x70
[  459.071294]  ? __switch_to_asm+0x34/0x70
[  459.075357]  ? __switch_to_asm+0x40/0x70
[  459.079428]  ? __switch_to_asm+0x34/0x70
[  459.083513]  bpf_clone_redirect+0xb9/0x490
[  459.087762]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  459.092785]  ? __sched_text_start+0x8/0x8
[  459.096934]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  459.101707]  ? find_held_lock+0x36/0x1c0
[  459.105778]  ? lock_acquire+0x1ed/0x520
[  459.109755]  ? bpf_test_run+0x3ee/0x7a0
[  459.113730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.119284]  ? check_preemption_disabled+0x48/0x280
[  459.124310]  ? kasan_check_read+0x11/0x20
[  459.128465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.133742]  ? rcu_softirq_qs+0x20/0x20
[  459.137737]  ? preempt_schedule+0x4d/0x60
[  459.141887]  ? ___preempt_schedule+0x16/0x18
[  459.146318]  ? bpf_test_run+0x271/0x7a0
[  459.150304]  ? netlink_diag_dump+0x2a0/0x2a0
[  459.154721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.160260]  ? bpf_test_init.isra.10+0x70/0x100
[  459.164933]  ? bpf_prog_test_run_skb+0x762/0xd60
[  459.169705]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.174561]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  459.180102]  ? fput+0x130/0x1a0
[  459.183387]  ? __bpf_prog_get+0x9b/0x290
[  459.187468]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.192314]  ? bpf_prog_test_run+0x130/0x1a0
[  459.196724]  ? __x64_sys_bpf+0x3d8/0x520
[  459.200785]  ? bpf_prog_get+0x20/0x20
[  459.204610]  ? do_syscall_64+0x1b9/0x820
[  459.208670]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  459.214036]  ? syscall_return_slowpath+0x5e0/0x5e0
[  459.218965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.223811]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.228829]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  459.233848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  459.238885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.243739]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  459.249123] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  459.249275] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  459.256062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.266529] syz-executor2 cpuset=syz2 mems_allowed=0
[  459.275870] Call Trace:
[  459.283551]  dump_stack+0x244/0x39d
[  459.287199]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.292426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.297992]  warn_alloc.cold.116+0xb7/0x1bd
[  459.302321]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  459.307169]  ? lock_downgrade+0x900/0x900
[  459.311325]  ? trace_hardirqs_off+0xb8/0x310
[  459.315740]  ? trace_hardirqs_off+0xb8/0x310
[  459.320171]  __alloc_pages_slowpath+0x2651/0x2de0
[  459.325039]  ? warn_alloc+0x120/0x120
[  459.328849]  ? warn_alloc+0x120/0x120
[  459.332657]  ? warn_alloc+0x120/0x120
[  459.336462]  ? trace_hardirqs_off+0xb8/0x310
[  459.340875]  ? print_usage_bug+0xc0/0xc0
[  459.344948]  ? print_usage_bug+0xc0/0xc0
[  459.349029]  ? __lock_acquire+0x62f/0x4c20
[  459.353297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.358836]  ? should_fail+0x22d/0xd01
[  459.362746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.367850]  ? __lock_acquire+0x62f/0x4c20
[  459.372103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.377206]  ? __lock_acquire+0x62f/0x4c20
[  459.381443]  ? should_fail+0x22d/0xd01
[  459.385349]  ? mark_held_locks+0x130/0x130
[  459.389591]  ? mark_held_locks+0x130/0x130
[  459.393837]  ? zap_class+0x640/0x640
[  459.397555]  ? ret_from_fork+0x3a/0x50
[  459.401458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.406997]  ? check_preemption_disabled+0x48/0x280
[  459.412029]  ? __lock_is_held+0xb5/0x140
[  459.416100]  __alloc_pages_nodemask+0xad8/0xea0
[  459.420769]  ? zap_class+0x640/0x640
[  459.424492]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  459.429519]  ? find_held_lock+0x36/0x1c0
[  459.433595]  ? ____cache_alloc_node+0x1c7/0x1e0
[  459.438265]  ? lock_downgrade+0x900/0x900
[  459.442430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.447991]  cache_grow_begin+0xa5/0x8c0
[  459.452050]  ? do_raw_spin_unlock+0xa7/0x330
[  459.456468]  fallback_alloc+0x204/0x2e0
[  459.460449]  ____cache_alloc_node+0x1c7/0x1e0
[  459.464954]  kmem_cache_alloc_node+0xe3/0x730
[  459.469452]  ? mark_held_locks+0xc7/0x130
[  459.473611]  __alloc_skb+0x119/0x770
[  459.477336]  ? netdev_alloc_frag+0x1f0/0x1f0
[  459.481745]  ? do_raw_spin_trylock+0x270/0x270
[  459.486328]  ? kmem_cache_alloc_trace+0x353/0x750
[  459.491180]  ? queue_work_on+0x12c/0x1e0
[  459.495281]  ? switchdev_port_obj_del+0xdc/0x440
[  459.500054]  ? switchdev_trans_item_enqueue+0x260/0x260
[  459.505429]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  459.510463]  __br_mdb_notify+0x4ff/0x15d0
[  459.514616]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.519730]  ? __br_mdb_add+0x7f0/0x7f0
[  459.523707]  ? mark_held_locks+0x130/0x130
[  459.527956]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  459.533080]  ? debug_object_assert_init+0x368/0x4b0
[  459.538097]  ? debug_object_init_on_stack+0x20/0x20
[  459.543116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.548662]  br_mdb_notify+0x310/0x410
[  459.552551]  ? br_mdb_dump+0x27b0/0x27b0
[  459.556632]  br_multicast_del_pg+0x3df/0x790
[  459.561047]  ? br_mdb_ip_get+0x940/0x940
[  459.565110]  ? rwlock_bug.part.2+0x90/0x90
[  459.569350]  ? __lock_is_held+0xb5/0x140
[  459.573430]  br_multicast_port_group_expired+0x189/0x1e0
[  459.578899]  call_timer_fn+0x272/0x920
[  459.582790]  ? br_multicast_del_pg+0x790/0x790
[  459.587386]  ? process_timeout+0x40/0x40
[  459.591465]  ? __run_timers+0x7da/0xc70
[  459.595455]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.599949]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.604446]  ? br_multicast_del_pg+0x790/0x790
[  459.609073]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.613660]  ? trace_hardirqs_on+0xbd/0x310
[  459.617982]  ? kasan_check_read+0x11/0x20
[  459.622126]  ? __run_timers+0x7da/0xc70
[  459.626107]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.631225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.635476]  ? br_multicast_del_pg+0x790/0x790
[  459.640056]  __run_timers+0x7e5/0xc70
[  459.643867]  ? timer_fixup_init+0x70/0x70
[  459.648020]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.652514]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.657010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.661598]  ? trace_hardirqs_on+0xbd/0x310
[  459.665925]  ? kasan_check_read+0x11/0x20
[  459.670076]  ? finish_task_switch+0x1f4/0x910
[  459.674596]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.679703]  ? compat_start_thread+0x80/0x80
[  459.684137]  ? pvclock_read_flags+0x160/0x160
[  459.688629]  ? __switch_to_asm+0x34/0x70
[  459.692693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.698238]  ? check_preemption_disabled+0x48/0x280
[  459.703269]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  459.708816]  ? rcu_pm_notify+0xc0/0xc0
[  459.712710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.718250]  ? check_preemption_disabled+0x48/0x280
[  459.723275]  run_timer_softirq+0x52/0xb0
[  459.727338]  ? rcu_read_lock_sched_held+0x14f/0x180
[  459.732355]  __do_softirq+0x308/0xb7e
[  459.736164]  ? retint_kernel+0x2d/0x2d
[  459.740060]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  459.745164]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  459.750615]  ? retint_kernel+0x2d/0x2d
[  459.754508]  ? schedule+0x108/0x460
[  459.758147]  ? trace_hardirqs_off+0xb8/0x310
[  459.762560]  ? smpboot_thread_fn+0x68b/0xa00
[  459.766972]  ? trace_hardirqs_on+0x310/0x310
[  459.771383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.776939]  ? check_preemption_disabled+0x48/0x280
[  459.781958]  ? takeover_tasklets+0xa90/0xa90
[  459.786369]  run_ksoftirqd+0x5e/0x100
[  459.790181]  smpboot_thread_fn+0x68b/0xa00
[  459.794426]  ? sort_range+0x30/0x30
[  459.798059]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  459.803195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.808735]  ? __kthread_parkme+0xfb/0x1a0
[  459.812974]  ? sort_range+0x30/0x30
[  459.816602]  kthread+0x35a/0x440
[  459.819973]  ? kthread_stop+0x900/0x900
[  459.823954]  ret_from_fork+0x3a/0x50
[  459.827686] warn_alloc_show_mem: 1 callbacks suppressed
[  459.827699] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  459.827700] Mem-Info:
[  459.827733] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  459.827733]  active_file:133 inactive_file:117 isolated_file:0
[  459.827733]  unevictable:0 dirty:3 writeback:0 unstable:0
[  459.827733]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  459.827733]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  459.827733]  free:13727 free_pcp:164 free_cma:0
[  459.833068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.833077] Call Trace:
[  459.840449] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  459.840458] 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
[  459.842880]  <IRQ>
[  459.876091] lowmem_reserve[]: 0 2818 6321 6321
[  459.885466]  dump_stack+0x244/0x39d
[  459.888025] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  459.915787]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.941863] lowmem_reserve[]: 0 0 3503 3503
[  459.944028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.948585] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  459.952212]  warn_alloc.cold.116+0xb7/0x1bd
[  459.979768] lowmem_reserve[]: 0 0 0 0
[  459.984971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  459.989261] 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
[  459.994795]  ? lock_downgrade+0x900/0x900
[  460.024007] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  460.028334]  ? trace_hardirqs_off+0xb8/0x310
[  460.032103] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  460.036944]  ? trace_hardirqs_off+0xb8/0x310
[  460.050447] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  460.054590]  __alloc_pages_slowpath+0x2651/0x2de0
[  460.069918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  460.074343]  ? warn_alloc+0x120/0x120
[  460.087815] 2220 total pagecache pages
[  460.092220]  ? warn_alloc+0x120/0x120
[  460.101033] 0 pages in swap cache
[  460.105865]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  460.114421] Swap cache stats: add 0, delete 0, find 0/0
[  460.118214]  ? warn_alloc+0x120/0x120
[  460.122077] Free swap  = 0kB
[  460.125875]  ? print_usage_bug+0xc0/0xc0
[  460.129300] Total swap = 0kB
[  460.134322]  ? print_usage_bug+0xc0/0xc0
[  460.139662] 1965979 pages RAM
[  460.143460]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  460.146453] 0 pages HighMem/MovableOnly
[  460.150512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.153504] 342854 pages reserved
[  460.157557]  ? should_fail+0x22d/0xd01
[  460.160636] 0 pages cma reserved
[  460.165817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.169909] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  460.175293]  ? __lock_acquire+0x62f/0x4c20
[  460.178721] ksoftirqd/1 cpuset=/ mems_allowed=0
[  460.182603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.215414]  ? should_fail+0x22d/0xd01
[  460.219336]  ? mark_held_locks+0x130/0x130
[  460.223578]  ? mark_held_locks+0x130/0x130
[  460.227811]  ? print_usage_bug+0xc0/0xc0
[  460.231876]  ? find_held_lock+0x36/0x1c0
[  460.235942]  ? zap_class+0x640/0x640
[  460.239663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.245204]  ? check_preemption_disabled+0x48/0x280
[  460.250235]  ? __lock_is_held+0xb5/0x140
[  460.254302]  __alloc_pages_nodemask+0xad8/0xea0
[  460.258980]  ? zap_class+0x640/0x640
[  460.262716]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  460.267746]  ? find_held_lock+0x36/0x1c0
[  460.271817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  460.276488]  ? lock_downgrade+0x900/0x900
[  460.280647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.286203]  cache_grow_begin+0xa5/0x8c0
[  460.290266]  ? do_raw_spin_unlock+0xa7/0x330
[  460.294686]  fallback_alloc+0x204/0x2e0
[  460.298671]  ____cache_alloc_node+0x1c7/0x1e0
[  460.303172]  kmem_cache_alloc_node+0xe3/0x730
[  460.307675]  ? mark_held_locks+0xc7/0x130
[  460.311837]  __alloc_skb+0x119/0x770
[  460.315558]  ? netdev_alloc_frag+0x1f0/0x1f0
[  460.319966]  ? do_raw_spin_trylock+0x270/0x270
[  460.324549]  ? kmem_cache_alloc_trace+0x353/0x750
[  460.329405]  ? queue_work_on+0x12c/0x1e0
[  460.333525]  ? switchdev_port_obj_del+0xdc/0x440
[  460.338286]  ? switchdev_trans_item_enqueue+0x260/0x260
[  460.343658]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  460.348688]  __br_mdb_notify+0x4ff/0x15d0
[  460.352876]  ? __br_mdb_add+0x7f0/0x7f0
[  460.356859]  ? zap_class+0x640/0x640
[  460.360585]  ? br_multicast_group_expired+0x96/0x610
[  460.365689]  ? lock_downgrade+0x900/0x900
[  460.369841]  br_mdb_notify+0x310/0x410
[  460.373729]  ? br_mdb_dump+0x27b0/0x27b0
[  460.377800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.383349]  br_multicast_group_expired+0x1bc/0x610
[  460.388370]  ? br_mdb_free+0x80/0x80
[  460.392100]  call_timer_fn+0x272/0x920
[  460.395987]  ? br_mdb_free+0x80/0x80
[  460.399702]  ? process_timeout+0x40/0x40
[  460.403770]  ? __run_timers+0x7da/0xc70
[  460.407748]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.412241]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.416740]  ? br_mdb_free+0x80/0x80
[  460.420458]  ? lockdep_hardirqs_on+0x296/0x5b0
[  460.425046]  ? trace_hardirqs_on+0xbd/0x310
[  460.429369]  ? kasan_check_read+0x11/0x20
[  460.433520]  ? __run_timers+0x7da/0xc70
[  460.437501]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.442608]  ? br_mdb_free+0x80/0x80
[  460.446332]  ? br_mdb_free+0x80/0x80
[  460.450047]  __run_timers+0x7e5/0xc70
[  460.453856]  ? timer_fixup_init+0x70/0x70
[  460.458006]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  460.463021]  ? zap_class+0x640/0x640
[  460.466740]  ? enqueue_hrtimer+0x1a5/0x560
[  460.470981]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  460.476177]  ? find_held_lock+0x36/0x1c0
[  460.480248]  ? zap_class+0x640/0x640
[  460.483983]  ? pvclock_read_flags+0x160/0x160
[  460.488479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.494031]  ? check_preemption_disabled+0x48/0x280
[  460.499059]  ? __lock_is_held+0xb5/0x140
[  460.503125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.508680]  ? check_preemption_disabled+0x48/0x280
[  460.513701]  run_timer_softirq+0x52/0xb0
[  460.517762]  ? rcu_read_lock_sched_held+0x14f/0x180
[  460.522783]  __do_softirq+0x308/0xb7e
[  460.526588]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  460.531110]  ? lock_downgrade+0x900/0x900
[  460.535268]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  460.540382]  ? pvclock_read_flags+0x160/0x160
[  460.544918]  ? lapic_next_event+0x5a/0x90
[  460.549067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.554609]  ? kvm_clock_read+0x18/0x30
[  460.558588]  ? kvm_sched_clock_read+0x9/0x20
[  460.563000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.568543]  ? check_preemption_disabled+0x48/0x280
[  460.573570]  irq_exit+0x17f/0x1c0
[  460.577030]  smp_apic_timer_interrupt+0x1cb/0x760
[  460.581891]  ? smp_reschedule_interrupt+0x109/0x650
[  460.586920]  ? smp_call_function_single_interrupt+0x650/0x650
[  460.592828]  ? interrupt_entry+0xb5/0xc0
[  460.596905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.601922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.606949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.611793]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.616809]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.621828]  ? task_prio+0x50/0x50
[  460.625376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.630921]  ? check_preemption_disabled+0x48/0x280
[  460.635946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.640798]  apic_timer_interrupt+0xf/0x20
[  460.645029]  </IRQ>
[  460.647296] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  460.652239] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  460.671137] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  460.678845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  460.686113] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  460.693379] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  460.700656] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  460.707937] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  460.715261]  skb_clone+0x1bb/0x500
[  460.718806]  ? skb_split+0x11e0/0x11e0
[  460.722710]  ? preempt_notifier_register+0x200/0x200
[  460.727812]  ? __switch_to_asm+0x34/0x70
[  460.731873]  ? __switch_to_asm+0x34/0x70
[  460.735931]  ? __switch_to_asm+0x40/0x70
[  460.739991]  ? __switch_to_asm+0x34/0x70
[  460.744051]  ? __switch_to_asm+0x40/0x70
[  460.748112]  ? __switch_to_asm+0x40/0x70
[  460.752172]  ? __switch_to_asm+0x34/0x70
[  460.756232]  ? __switch_to_asm+0x34/0x70
[  460.760290]  ? __switch_to_asm+0x40/0x70
[  460.764354]  ? __switch_to_asm+0x34/0x70
[  460.768438]  bpf_clone_redirect+0xb9/0x490
[  460.772683]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  460.777706]  ? __sched_text_start+0x8/0x8
[  460.781854]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  460.786623]  ? find_held_lock+0x36/0x1c0
[  460.790697]  ? lock_acquire+0x1ed/0x520
[  460.794675]  ? bpf_test_run+0x3ee/0x7a0
[  460.798653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.804212]  ? check_preemption_disabled+0x48/0x280
[  460.809274]  ? kasan_check_read+0x11/0x20
[  460.813444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.818724]  ? rcu_softirq_qs+0x20/0x20
[  460.822702]  ? preempt_schedule+0x4d/0x60
[  460.826852]  ? ___preempt_schedule+0x16/0x18
[  460.831274]  ? bpf_test_run+0x271/0x7a0
[  460.835278]  ? netlink_diag_dump+0x2a0/0x2a0
[  460.839710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.845252]  ? bpf_test_init.isra.10+0x70/0x100
[  460.849955]  ? bpf_prog_test_run_skb+0x762/0xd60
[  460.854723]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  460.859575]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  460.865114]  ? fput+0x130/0x1a0
[  460.868411]  ? __bpf_prog_get+0x9b/0x290
[  460.872484]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  460.877332]  ? bpf_prog_test_run+0x130/0x1a0
[  460.881743]  ? __x64_sys_bpf+0x3d8/0x520
[  460.885810]  ? bpf_prog_get+0x20/0x20
[  460.889638]  ? do_syscall_64+0x1b9/0x820
[  460.893701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  460.899072]  ? syscall_return_slowpath+0x5e0/0x5e0
[  460.904029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.908939]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.913961]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  460.918977]  ? prepare_exit_to_usermode+0x291/0x3b0
[  460.924017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.928888]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  460.934271] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  460.934441] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  460.941209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.951680] syz-executor2 cpuset=syz2 mems_allowed=0
[  460.961017] Call Trace:
[  460.968685]  dump_stack+0x244/0x39d
[  460.972320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  460.977519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.983068]  warn_alloc.cold.116+0xb7/0x1bd
[  460.987391]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  460.992250]  ? lock_downgrade+0x900/0x900
[  460.996417]  ? trace_hardirqs_off+0xb8/0x310
[  461.000866]  ? trace_hardirqs_off+0xb8/0x310
[  461.005291]  __alloc_pages_slowpath+0x2651/0x2de0
[  461.010163]  ? warn_alloc+0x120/0x120
[  461.013988]  ? warn_alloc+0x120/0x120
[  461.017796]  ? warn_alloc+0x120/0x120
[  461.021598]  ? trace_hardirqs_off+0xb8/0x310
[  461.026014]  ? print_usage_bug+0xc0/0xc0
[  461.030085]  ? print_usage_bug+0xc0/0xc0
[  461.034158]  ? __lock_acquire+0x62f/0x4c20
[  461.038395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.043971]  ? should_fail+0x22d/0xd01
[  461.047866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.052985]  ? __lock_acquire+0x62f/0x4c20
[  461.057246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.062487]  ? __lock_acquire+0x62f/0x4c20
[  461.066722]  ? should_fail+0x22d/0xd01
[  461.070625]  ? mark_held_locks+0x130/0x130
[  461.074901]  ? mark_held_locks+0x130/0x130
[  461.079152]  ? zap_class+0x640/0x640
[  461.082867]  ? ret_from_fork+0x3a/0x50
[  461.086758]  ? __lock_acquire+0x62f/0x4c20
[  461.091001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.096539]  ? check_preemption_disabled+0x48/0x280
[  461.101567]  ? __lock_is_held+0xb5/0x140
[  461.105637]  __alloc_pages_nodemask+0xad8/0xea0
[  461.110330]  ? zap_class+0x640/0x640
[  461.114064]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  461.119096]  ? find_held_lock+0x36/0x1c0
[  461.123167]  ? ____cache_alloc_node+0x1c7/0x1e0
[  461.127857]  ? lock_downgrade+0x900/0x900
[  461.132015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.137586]  cache_grow_begin+0xa5/0x8c0
[  461.141647]  ? do_raw_spin_unlock+0xa7/0x330
[  461.146066]  fallback_alloc+0x204/0x2e0
[  461.150049]  ____cache_alloc_node+0x1c7/0x1e0
[  461.154550]  kmem_cache_alloc_node+0xe3/0x730
[  461.159050]  ? mark_held_locks+0xc7/0x130
[  461.163211]  __alloc_skb+0x119/0x770
[  461.166939]  ? netdev_alloc_frag+0x1f0/0x1f0
[  461.171351]  ? do_raw_spin_trylock+0x270/0x270
[  461.175943]  ? kmem_cache_alloc_trace+0x353/0x750
[  461.180792]  ? queue_work_on+0x12c/0x1e0
[  461.184862]  ? switchdev_port_obj_del+0xdc/0x440
[  461.189622]  ? switchdev_trans_item_enqueue+0x260/0x260
[  461.194996]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  461.200022]  __br_mdb_notify+0x4ff/0x15d0
[  461.204178]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  461.209297]  ? __br_mdb_add+0x7f0/0x7f0
[  461.213274]  ? mark_held_locks+0x130/0x130
[  461.217516]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  461.222623]  ? debug_object_assert_init+0x368/0x4b0
[  461.227644]  ? debug_object_init_on_stack+0x20/0x20
[  461.232667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.238214]  br_mdb_notify+0x310/0x410
[  461.242107]  ? br_mdb_dump+0x27b0/0x27b0
[  461.246186]  br_multicast_del_pg+0x3df/0x790
[  461.250602]  ? br_mdb_ip_get+0x940/0x940
[  461.254663]  ? rwlock_bug.part.2+0x90/0x90
[  461.258906]  ? __lock_is_held+0xb5/0x140
[  461.263018]  br_multicast_port_group_expired+0x189/0x1e0
[  461.268486]  call_timer_fn+0x272/0x920
[  461.272381]  ? br_multicast_del_pg+0x790/0x790
[  461.276989]  ? process_timeout+0x40/0x40
[  461.281089]  ? __run_timers+0x7da/0xc70
[  461.285070]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.289563]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.294095]  ? br_multicast_del_pg+0x790/0x790
[  461.298693]  ? lockdep_hardirqs_on+0x296/0x5b0
[  461.303276]  ? trace_hardirqs_on+0xbd/0x310
[  461.307601]  ? kasan_check_read+0x11/0x20
[  461.311747]  ? __run_timers+0x7da/0xc70
[  461.315724]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.320834]  ? br_multicast_del_pg+0x790/0x790
[  461.325435]  ? br_multicast_del_pg+0x790/0x790
[  461.330014]  __run_timers+0x7e5/0xc70
[  461.333829]  ? timer_fixup_init+0x70/0x70
[  461.337980]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.342482]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.346988]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  461.351578]  ? trace_hardirqs_on+0xbd/0x310
[  461.355900]  ? kasan_check_read+0x11/0x20
[  461.360061]  ? finish_task_switch+0x1f4/0x910
[  461.364558]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.369666]  ? compat_start_thread+0x80/0x80
[  461.374101]  ? pvclock_read_flags+0x160/0x160
[  461.378595]  ? __switch_to_asm+0x34/0x70
[  461.382662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.388204]  ? check_preemption_disabled+0x48/0x280
[  461.393264]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  461.398820]  ? rcu_pm_notify+0xc0/0xc0
[  461.402708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.408249]  ? check_preemption_disabled+0x48/0x280
[  461.413271]  run_timer_softirq+0x52/0xb0
[  461.417333]  ? rcu_read_lock_sched_held+0x14f/0x180
[  461.422352]  __do_softirq+0x308/0xb7e
[  461.426155]  ? retint_kernel+0x2d/0x2d
[  461.430051]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  461.435168]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  461.440621]  ? retint_kernel+0x2d/0x2d
[  461.444513]  ? schedule+0x108/0x460
[  461.448152]  ? trace_hardirqs_off+0xb8/0x310
[  461.452565]  ? smpboot_thread_fn+0x68b/0xa00
[  461.456974]  ? trace_hardirqs_on+0x310/0x310
[  461.461389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.466950]  ? check_preemption_disabled+0x48/0x280
[  461.471974]  ? takeover_tasklets+0xa90/0xa90
[  461.476383]  run_ksoftirqd+0x5e/0x100
[  461.480194]  smpboot_thread_fn+0x68b/0xa00
[  461.484442]  ? sort_range+0x30/0x30
[  461.488073]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  461.493175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.498730]  ? __kthread_parkme+0xfb/0x1a0
[  461.502971]  ? sort_range+0x30/0x30
[  461.506597]  kthread+0x35a/0x440
[  461.509967]  ? kthread_stop+0x900/0x900
[  461.513945]  ret_from_fork+0x3a/0x50
[  461.517689] warn_alloc_show_mem: 1 callbacks suppressed
[  461.517702] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  461.517704] Mem-Info:
[  461.517736] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  461.517736]  active_file:133 inactive_file:117 isolated_file:0
[  461.517736]  unevictable:0 dirty:3 writeback:0 unstable:0
[  461.517736]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  461.517736]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  461.517736]  free:13727 free_pcp:164 free_cma:0
[  461.523075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  461.530449] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  461.532847] Call Trace:
[  461.566062] 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
[  461.575415]  <IRQ>
[  461.603161] lowmem_reserve[]: 0 2818 6321 6321
[  461.605746]  dump_stack+0x244/0x39d
[  461.631828] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  461.633980]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.638529] lowmem_reserve[]: 0 0 3503 3503
[  461.642165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.669721] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  461.674914]  warn_alloc.cold.116+0xb7/0x1bd
[  461.679209] lowmem_reserve[]: 0 0 0 0
[  461.684739]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  461.713954] 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
[  461.718273]  ? lock_downgrade+0x900/0x900
[  461.722044] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  461.726882]  ? trace_hardirqs_off+0xb8/0x310
[  461.740379] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  461.744532]  ? trace_hardirqs_off+0xb8/0x310
[  461.759859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  461.764275]  __alloc_pages_slowpath+0x2651/0x2de0
[  461.777771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  461.782197]  ? warn_alloc+0x120/0x120
[  461.790988] 2220 total pagecache pages
[  461.795825]  ? warn_alloc+0x120/0x120
[  461.804384] 0 pages in swap cache
[  461.808184]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  461.812051] Swap cache stats: add 0, delete 0, find 0/0
[  461.815841]  ? warn_alloc+0x120/0x120
[  461.819270] Free swap  = 0kB
[  461.824279]  ? print_usage_bug+0xc0/0xc0
[  461.829622] Total swap = 0kB
[  461.833427]  ? print_usage_bug+0xc0/0xc0
[  461.836427] 1965979 pages RAM
[  461.840483]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  461.843473] 0 pages HighMem/MovableOnly
[  461.843482] 342854 pages reserved
[  461.847542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.850622] 0 pages cma reserved
[  461.855808]  ? should_fail+0x22d/0xd01
[  461.859930] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  461.863201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.868712] ksoftirqd/1 cpuset=/ mems_allowed=0
[  461.872075]  ? __lock_acquire+0x62f/0x4c20
[  461.900231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.905334]  ? should_fail+0x22d/0xd01
[  461.909233]  ? mark_held_locks+0x130/0x130
[  461.913471]  ? mark_held_locks+0x130/0x130
[  461.917708]  ? print_usage_bug+0xc0/0xc0
[  461.921793]  ? find_held_lock+0x36/0x1c0
[  461.925870]  ? zap_class+0x640/0x640
[  461.929608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.935149]  ? check_preemption_disabled+0x48/0x280
[  461.940181]  ? __lock_is_held+0xb5/0x140
[  461.944252]  __alloc_pages_nodemask+0xad8/0xea0
[  461.948923]  ? zap_class+0x640/0x640
[  461.952646]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  461.957678]  ? find_held_lock+0x36/0x1c0
[  461.961752]  ? ____cache_alloc_node+0x1c7/0x1e0
[  461.966435]  ? lock_downgrade+0x900/0x900
[  461.970598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.976145]  cache_grow_begin+0xa5/0x8c0
[  461.980209]  ? do_raw_spin_unlock+0xa7/0x330
[  461.984625]  fallback_alloc+0x204/0x2e0
[  461.988609]  ____cache_alloc_node+0x1c7/0x1e0
[  461.993113]  kmem_cache_alloc_node+0xe3/0x730
[  461.997608]  ? mark_held_locks+0xc7/0x130
[  462.001766]  __alloc_skb+0x119/0x770
[  462.005496]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.009908]  ? do_raw_spin_trylock+0x270/0x270
[  462.014493]  ? kmem_cache_alloc_trace+0x353/0x750
[  462.019342]  ? queue_work_on+0x12c/0x1e0
[  462.023431]  ? switchdev_port_obj_del+0xdc/0x440
[  462.028195]  ? switchdev_trans_item_enqueue+0x260/0x260
[  462.033563]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  462.038592]  __br_mdb_notify+0x4ff/0x15d0
[  462.042753]  ? __br_mdb_add+0x7f0/0x7f0
[  462.046742]  ? zap_class+0x640/0x640
[  462.050471]  ? br_multicast_group_expired+0x96/0x610
[  462.055575]  ? lock_downgrade+0x900/0x900
[  462.059727]  br_mdb_notify+0x310/0x410
[  462.063620]  ? br_mdb_dump+0x27b0/0x27b0
[  462.067687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.073234]  br_multicast_group_expired+0x1bc/0x610
[  462.078259]  ? br_mdb_free+0x80/0x80
[  462.081983]  call_timer_fn+0x272/0x920
[  462.085877]  ? br_mdb_free+0x80/0x80
[  462.089593]  ? process_timeout+0x40/0x40
[  462.093664]  ? __run_timers+0x7da/0xc70
[  462.097645]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.102139]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.106633]  ? br_mdb_free+0x80/0x80
[  462.110355]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.114938]  ? trace_hardirqs_on+0xbd/0x310
[  462.119262]  ? kasan_check_read+0x11/0x20
[  462.123416]  ? __run_timers+0x7da/0xc70
[  462.127433]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.132544]  ? br_mdb_free+0x80/0x80
[  462.136268]  ? br_mdb_free+0x80/0x80
[  462.139981]  __run_timers+0x7e5/0xc70
[  462.143793]  ? timer_fixup_init+0x70/0x70
[  462.147949]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  462.152967]  ? zap_class+0x640/0x640
[  462.156686]  ? enqueue_hrtimer+0x1a5/0x560
[  462.160929]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  462.166128]  ? find_held_lock+0x36/0x1c0
[  462.170200]  ? zap_class+0x640/0x640
[  462.173935]  ? pvclock_read_flags+0x160/0x160
[  462.178442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.183987]  ? check_preemption_disabled+0x48/0x280
[  462.189014]  ? __lock_is_held+0xb5/0x140
[  462.193080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.198650]  ? check_preemption_disabled+0x48/0x280
[  462.203675]  run_timer_softirq+0x52/0xb0
[  462.207741]  ? rcu_read_lock_sched_held+0x14f/0x180
[  462.212762]  __do_softirq+0x308/0xb7e
[  462.216567]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  462.221075]  ? lock_downgrade+0x900/0x900
[  462.225242]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  462.230366]  ? pvclock_read_flags+0x160/0x160
[  462.234870]  ? lapic_next_event+0x5a/0x90
[  462.239026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.244574]  ? kvm_clock_read+0x18/0x30
[  462.248551]  ? kvm_sched_clock_read+0x9/0x20
[  462.252960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.258504]  ? check_preemption_disabled+0x48/0x280
[  462.263529]  irq_exit+0x17f/0x1c0
[  462.266999]  smp_apic_timer_interrupt+0x1cb/0x760
[  462.271848]  ? smp_reschedule_interrupt+0x109/0x650
[  462.276867]  ? smp_call_function_single_interrupt+0x650/0x650
[  462.282754]  ? interrupt_entry+0xb5/0xc0
[  462.286824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.291843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.296861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.301708]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.306724]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.311741]  ? task_prio+0x50/0x50
[  462.315285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.320829]  ? check_preemption_disabled+0x48/0x280
[  462.325854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.330707]  apic_timer_interrupt+0xf/0x20
[  462.334936]  </IRQ>
[  462.337180] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  462.342115] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  462.361014] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  462.368720] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  462.375988] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  462.383255] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  462.390521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  462.397788] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  462.405097]  skb_clone+0x1bb/0x500
[  462.408642]  ? skb_split+0x11e0/0x11e0
[  462.412534]  ? preempt_notifier_register+0x200/0x200
[  462.417638]  ? __switch_to_asm+0x34/0x70
[  462.421698]  ? __switch_to_asm+0x34/0x70
[  462.425760]  ? __switch_to_asm+0x40/0x70
[  462.429820]  ? __switch_to_asm+0x34/0x70
[  462.433876]  ? __switch_to_asm+0x40/0x70
[  462.437934]  ? __switch_to_asm+0x40/0x70
[  462.441994]  ? __switch_to_asm+0x34/0x70
[  462.446056]  ? __switch_to_asm+0x34/0x70
[  462.450119]  ? __switch_to_asm+0x40/0x70
[  462.454177]  ? __switch_to_asm+0x34/0x70
[  462.458244]  bpf_clone_redirect+0xb9/0x490
[  462.462505]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  462.467529]  ? __sched_text_start+0x8/0x8
[  462.471683]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  462.476460]  ? find_held_lock+0x36/0x1c0
[  462.480533]  ? lock_acquire+0x1ed/0x520
[  462.484508]  ? bpf_test_run+0x3ee/0x7a0
[  462.488494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.494035]  ? check_preemption_disabled+0x48/0x280
[  462.499061]  ? kasan_check_read+0x11/0x20
[  462.503209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.508488]  ? rcu_softirq_qs+0x20/0x20
[  462.512467]  ? preempt_schedule+0x4d/0x60
[  462.516615]  ? ___preempt_schedule+0x16/0x18
[  462.521036]  ? bpf_test_run+0x271/0x7a0
[  462.525026]  ? netlink_diag_dump+0x2a0/0x2a0
[  462.529445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.534986]  ? bpf_test_init.isra.10+0x70/0x100
[  462.539660]  ? bpf_prog_test_run_skb+0x762/0xd60
[  462.544439]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.549293]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  462.554835]  ? fput+0x130/0x1a0
[  462.558119]  ? __bpf_prog_get+0x9b/0x290
[  462.562187]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.567030]  ? bpf_prog_test_run+0x130/0x1a0
[  462.571451]  ? __x64_sys_bpf+0x3d8/0x520
[  462.575515]  ? bpf_prog_get+0x20/0x20
[  462.579338]  ? do_syscall_64+0x1b9/0x820
[  462.583427]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  462.588800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  462.593731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.598579]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.603597]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  462.608615]  ? prepare_exit_to_usermode+0x291/0x3b0
[  462.613636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.618490]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  462.623877] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  462.624035] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.630819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  462.641285] syz-executor2 cpuset=syz2 mems_allowed=0
[  462.650627] Call Trace:
[  462.658296]  dump_stack+0x244/0x39d
[  462.661938]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.667136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.672683]  warn_alloc.cold.116+0xb7/0x1bd
[  462.677008]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  462.681856]  ? lock_downgrade+0x900/0x900
[  462.686013]  ? trace_hardirqs_off+0xb8/0x310
[  462.690434]  ? trace_hardirqs_off+0xb8/0x310
[  462.694856]  __alloc_pages_slowpath+0x2651/0x2de0
[  462.699779]  ? warn_alloc+0x120/0x120
[  462.703584]  ? warn_alloc+0x120/0x120
[  462.707391]  ? warn_alloc+0x120/0x120
[  462.711210]  ? trace_hardirqs_off+0xb8/0x310
[  462.715625]  ? print_usage_bug+0xc0/0xc0
[  462.719694]  ? print_usage_bug+0xc0/0xc0
[  462.723766]  ? __lock_acquire+0x62f/0x4c20
[  462.728006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.733545]  ? should_fail+0x22d/0xd01
[  462.737440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.742545]  ? __lock_acquire+0x62f/0x4c20
[  462.746787]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.751888]  ? __lock_acquire+0x62f/0x4c20
[  462.756125]  ? should_fail+0x22d/0xd01
[  462.760027]  ? mark_held_locks+0x130/0x130
[  462.764271]  ? mark_held_locks+0x130/0x130
[  462.768518]  ? zap_class+0x640/0x640
[  462.772233]  ? ret_from_fork+0x3a/0x50
[  462.776120]  ? __lock_acquire+0x62f/0x4c20
[  462.780357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.785898]  ? check_preemption_disabled+0x48/0x280
[  462.791014]  ? __lock_is_held+0xb5/0x140
[  462.795086]  __alloc_pages_nodemask+0xad8/0xea0
[  462.799757]  ? zap_class+0x640/0x640
[  462.803475]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  462.808515]  ? find_held_lock+0x36/0x1c0
[  462.812586]  ? ____cache_alloc_node+0x1c7/0x1e0
[  462.817265]  ? lock_downgrade+0x900/0x900
[  462.821431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.826979]  cache_grow_begin+0xa5/0x8c0
[  462.831045]  ? do_raw_spin_unlock+0xa7/0x330
[  462.835462]  fallback_alloc+0x204/0x2e0
[  462.839444]  ____cache_alloc_node+0x1c7/0x1e0
[  462.843956]  kmem_cache_alloc_node+0xe3/0x730
[  462.848454]  ? mark_held_locks+0xc7/0x130
[  462.852613]  __alloc_skb+0x119/0x770
[  462.856336]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.860744]  ? do_raw_spin_trylock+0x270/0x270
[  462.865330]  ? kmem_cache_alloc_trace+0x353/0x750
[  462.870179]  ? queue_work_on+0x12c/0x1e0
[  462.874251]  ? switchdev_port_obj_del+0xdc/0x440
[  462.879009]  ? switchdev_trans_item_enqueue+0x260/0x260
[  462.884378]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  462.889434]  __br_mdb_notify+0x4ff/0x15d0
[  462.893587]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  462.898702]  ? __br_mdb_add+0x7f0/0x7f0
[  462.902679]  ? mark_held_locks+0x130/0x130
[  462.906925]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  462.912035]  ? debug_object_assert_init+0x368/0x4b0
[  462.917061]  ? debug_object_init_on_stack+0x20/0x20
[  462.922083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.927629]  br_mdb_notify+0x310/0x410
[  462.931528]  ? br_mdb_dump+0x27b0/0x27b0
[  462.935611]  br_multicast_del_pg+0x3df/0x790
[  462.940027]  ? br_mdb_ip_get+0x940/0x940
[  462.944094]  ? rwlock_bug.part.2+0x90/0x90
[  462.948334]  ? __lock_is_held+0xb5/0x140
[  462.952413]  br_multicast_port_group_expired+0x189/0x1e0
[  462.957872]  call_timer_fn+0x272/0x920
[  462.961766]  ? br_multicast_del_pg+0x790/0x790
[  462.966349]  ? process_timeout+0x40/0x40
[  462.970426]  ? __run_timers+0x7da/0xc70
[  462.974428]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.978933]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.983461]  ? br_multicast_del_pg+0x790/0x790
[  462.988044]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.992633]  ? trace_hardirqs_on+0xbd/0x310
[  462.996956]  ? kasan_check_read+0x11/0x20
[  463.001117]  ? __run_timers+0x7da/0xc70
[  463.005098]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.010207]  ? br_multicast_del_pg+0x790/0x790
[  463.014797]  ? br_multicast_del_pg+0x790/0x790
[  463.019378]  __run_timers+0x7e5/0xc70
[  463.023198]  ? timer_fixup_init+0x70/0x70
[  463.027353]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.031852]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.036354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.040943]  ? trace_hardirqs_on+0xbd/0x310
[  463.045269]  ? kasan_check_read+0x11/0x20
[  463.049430]  ? finish_task_switch+0x1f4/0x910
[  463.053932]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.059036]  ? compat_start_thread+0x80/0x80
[  463.063605]  ? pvclock_read_flags+0x160/0x160
[  463.068102]  ? __switch_to_asm+0x34/0x70
[  463.072168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.077721]  ? check_preemption_disabled+0x48/0x280
[  463.082752]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  463.088296]  ? rcu_pm_notify+0xc0/0xc0
[  463.092190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.097733]  ? check_preemption_disabled+0x48/0x280
[  463.102764]  run_timer_softirq+0x52/0xb0
[  463.106827]  ? rcu_read_lock_sched_held+0x14f/0x180
[  463.111846]  __do_softirq+0x308/0xb7e
[  463.115654]  ? retint_kernel+0x2d/0x2d
[  463.119546]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  463.124653]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  463.130107]  ? retint_kernel+0x2d/0x2d
[  463.134004]  ? schedule+0x108/0x460
[  463.137644]  ? trace_hardirqs_off+0xb8/0x310
[  463.142062]  ? smpboot_thread_fn+0x68b/0xa00
[  463.146478]  ? trace_hardirqs_on+0x310/0x310
[  463.150891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.156455]  ? check_preemption_disabled+0x48/0x280
[  463.161473]  ? takeover_tasklets+0xa90/0xa90
[  463.165883]  run_ksoftirqd+0x5e/0x100
[  463.169684]  smpboot_thread_fn+0x68b/0xa00
[  463.173974]  ? sort_range+0x30/0x30
[  463.177606]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  463.182711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.188269]  ? __kthread_parkme+0xfb/0x1a0
[  463.192511]  ? sort_range+0x30/0x30
[  463.196139]  kthread+0x35a/0x440
[  463.199509]  ? kthread_stop+0x900/0x900
[  463.203486]  ret_from_fork+0x3a/0x50
[  463.207214] warn_alloc_show_mem: 1 callbacks suppressed
[  463.207227] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  463.207229] Mem-Info:
[  463.207261] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  463.207261]  active_file:133 inactive_file:117 isolated_file:0
[  463.207261]  unevictable:0 dirty:3 writeback:0 unstable:0
[  463.207261]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  463.207261]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  463.207261]  free:13727 free_pcp:164 free_cma:0
[  463.212602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  463.219966] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  463.222365] Call Trace:
[  463.255578] 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
[  463.264928]  <IRQ>
[  463.292669] lowmem_reserve[]: 0 2818 6321 6321
[  463.295281]  dump_stack+0x244/0x39d
[  463.321362] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  463.323509]  ? dump_stack_print_info.cold.1+0x20/0x20
[  463.328060] lowmem_reserve[]: 0 0 3503 3503
[  463.331685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.359242] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  463.364441]  warn_alloc.cold.116+0xb7/0x1bd
[  463.368725] lowmem_reserve[]: 0 0 0 0
[  463.374259]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  463.403472] 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
[  463.407792]  ? lock_downgrade+0x900/0x900
[  463.411568] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  463.416414]  ? trace_hardirqs_off+0xb8/0x310
[  463.429925] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  463.434063]  ? trace_hardirqs_off+0xb8/0x310
[  463.449388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  463.453797]  __alloc_pages_slowpath+0x2651/0x2de0
[  463.467312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  463.471760]  ? warn_alloc+0x120/0x120
[  463.480552] 2220 total pagecache pages
[  463.485385]  ? warn_alloc+0x120/0x120
[  463.493955] 0 pages in swap cache
[  463.497744]  ? zap_class+0x640/0x640
[  463.501613] Swap cache stats: add 0, delete 0, find 0/0
[  463.505413]  ? warn_alloc+0x120/0x120
[  463.508840] Free swap  = 0kB
[  463.512548]  ? print_usage_bug+0xc0/0xc0
[  463.517886] Total swap = 0kB
[  463.517894] 1965979 pages RAM
[  463.521690]  ? print_usage_bug+0xc0/0xc0
[  463.524687] 0 pages HighMem/MovableOnly
[  463.528740]  ? __lock_is_held+0xb5/0x140
[  463.531738] 342854 pages reserved
[  463.534842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.538879] 0 pages cma reserved
[  463.542845]  ? should_fail+0x22d/0xd01
[  463.547031] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  463.550321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.555836] ksoftirqd/1 cpuset=/ mems_allowed=0
[  463.559199]  ? __lock_acquire+0x62f/0x4c20
[  463.587330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.592443]  ? __lock_acquire+0x62f/0x4c20
[  463.596679]  ? should_fail+0x22d/0xd01
[  463.600580]  ? mark_held_locks+0x130/0x130
[  463.604819]  ? mark_held_locks+0x130/0x130
[  463.609088]  ? __enqueue_entity+0x10d/0x1f0
[  463.613427]  ? zap_class+0x640/0x640
[  463.617142]  ? print_usage_bug+0xc0/0xc0
[  463.621204]  ? __lock_acquire+0x62f/0x4c20
[  463.625457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.631002]  ? check_preemption_disabled+0x48/0x280
[  463.636028]  ? __lock_is_held+0xb5/0x140
[  463.640113]  __alloc_pages_nodemask+0xad8/0xea0
[  463.644789]  ? zap_class+0x640/0x640
[  463.648510]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  463.653542]  ? find_held_lock+0x36/0x1c0
[  463.657615]  ? ____cache_alloc_node+0x1c7/0x1e0
[  463.662287]  ? lock_downgrade+0x900/0x900
[  463.666448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.671994]  cache_grow_begin+0xa5/0x8c0
[  463.676072]  ? do_raw_spin_unlock+0xa7/0x330
[  463.680489]  fallback_alloc+0x204/0x2e0
[  463.684472]  ____cache_alloc_node+0x1c7/0x1e0
[  463.688974]  kmem_cache_alloc_node+0xe3/0x730
[  463.693471]  ? ipv6_get_ifaddr+0x42e/0x620
[  463.697721]  __alloc_skb+0x119/0x770
[  463.701461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.706743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  463.711154]  ? lock_downgrade+0x900/0x900
[  463.715314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.720856]  ? refcount_sub_and_test_checked+0x203/0x310
[  463.726325]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  463.731781]  ? addrconf_rs_timer+0x690/0x690
[  463.736205]  ndisc_alloc_skb+0x144/0x340
[  463.740274]  ndisc_send_rs+0x331/0x6e0
[  463.744168]  addrconf_rs_timer+0x314/0x690
[  463.748427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.752679]  call_timer_fn+0x272/0x920
[  463.756572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.760813]  ? process_timeout+0x40/0x40
[  463.764883]  ? __run_timers+0x7da/0xc70
[  463.768859]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.773353]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.777850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.782089]  ? lockdep_hardirqs_on+0x296/0x5b0
[  463.786676]  ? trace_hardirqs_on+0xbd/0x310
[  463.790997]  ? kasan_check_read+0x11/0x20
[  463.795160]  ? __run_timers+0x7da/0xc70
[  463.799141]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.804249]  ? __next_timer_interrupt+0x1a0/0x1a0
[  463.809097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.813334]  __run_timers+0x7e5/0xc70
[  463.817150]  ? timer_fixup_init+0x70/0x70
[  463.821305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  463.826327]  ? zap_class+0x640/0x640
[  463.830044]  ? enqueue_hrtimer+0x1a5/0x560
[  463.834281]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  463.839480]  ? find_held_lock+0x36/0x1c0
[  463.843549]  ? zap_class+0x640/0x640
[  463.847270]  ? pvclock_read_flags+0x160/0x160
[  463.851769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.857307]  ? check_preemption_disabled+0x48/0x280
[  463.862332]  ? __lock_is_held+0xb5/0x140
[  463.866408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.871954]  ? check_preemption_disabled+0x48/0x280
[  463.876975]  run_timer_softirq+0x52/0xb0
[  463.881038]  ? rcu_read_lock_sched_held+0x14f/0x180
[  463.886055]  __do_softirq+0x308/0xb7e
[  463.889864]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  463.894357]  ? lock_downgrade+0x900/0x900
[  463.898510]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  463.903623]  ? pvclock_read_flags+0x160/0x160
[  463.908129]  ? lapic_next_event+0x5a/0x90
[  463.912279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.917822]  ? kvm_clock_read+0x18/0x30
[  463.921795]  ? kvm_sched_clock_read+0x9/0x20
[  463.926210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.931756]  ? check_preemption_disabled+0x48/0x280
[  463.936781]  irq_exit+0x17f/0x1c0
[  463.940236]  smp_apic_timer_interrupt+0x1cb/0x760
[  463.945082]  ? smp_reschedule_interrupt+0x109/0x650
[  463.950101]  ? smp_call_function_single_interrupt+0x650/0x650
[  463.955985]  ? interrupt_entry+0xb5/0xc0
[  463.960049]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.965064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.970080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.974927]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.979943]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.984965]  ? task_prio+0x50/0x50
[  463.988507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.994049]  ? check_preemption_disabled+0x48/0x280
[  463.999073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.003924]  apic_timer_interrupt+0xf/0x20
[  464.008168]  </IRQ>
[  464.010416] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  464.015358] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  464.034268] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  464.041974] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  464.049246] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  464.056519] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  464.063789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  464.071055] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  464.078367]  skb_clone+0x1bb/0x500
[  464.081939]  ? skb_split+0x11e0/0x11e0
[  464.085839]  ? preempt_notifier_register+0x200/0x200
[  464.090966]  ? __switch_to_asm+0x34/0x70
[  464.095043]  ? __switch_to_asm+0x34/0x70
[  464.099101]  ? __switch_to_asm+0x40/0x70
[  464.103161]  ? __switch_to_asm+0x34/0x70
[  464.107220]  ? __switch_to_asm+0x40/0x70
[  464.111281]  ? __switch_to_asm+0x40/0x70
[  464.115339]  ? __switch_to_asm+0x34/0x70
[  464.119408]  ? __switch_to_asm+0x34/0x70
[  464.123478]  ? __switch_to_asm+0x40/0x70
[  464.127538]  ? __switch_to_asm+0x34/0x70
[  464.131609]  bpf_clone_redirect+0xb9/0x490
[  464.135893]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  464.140918]  ? __sched_text_start+0x8/0x8
[  464.145076]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  464.149846]  ? find_held_lock+0x36/0x1c0
[  464.153919]  ? lock_acquire+0x1ed/0x520
[  464.157895]  ? bpf_test_run+0x3ee/0x7a0
[  464.161873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.167426]  ? check_preemption_disabled+0x48/0x280
[  464.172467]  ? kasan_check_read+0x11/0x20
[  464.176615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.181894]  ? rcu_softirq_qs+0x20/0x20
[  464.185873]  ? preempt_schedule+0x4d/0x60
[  464.190022]  ? ___preempt_schedule+0x16/0x18
[  464.194560]  ? bpf_test_run+0x271/0x7a0
[  464.198551]  ? netlink_diag_dump+0x2a0/0x2a0
[  464.202970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.208508]  ? bpf_test_init.isra.10+0x70/0x100
[  464.213185]  ? bpf_prog_test_run_skb+0x762/0xd60
[  464.217950]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  464.222805]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  464.228343]  ? fput+0x130/0x1a0
[  464.231631]  ? __bpf_prog_get+0x9b/0x290
[  464.235700]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  464.240544]  ? bpf_prog_test_run+0x130/0x1a0
[  464.244957]  ? __x64_sys_bpf+0x3d8/0x520
[  464.249022]  ? bpf_prog_get+0x20/0x20
[  464.252848]  ? do_syscall_64+0x1b9/0x820
[  464.256912]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  464.262280]  ? syscall_return_slowpath+0x5e0/0x5e0
[  464.267213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.272061]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.277079]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  464.282097]  ? prepare_exit_to_usermode+0x291/0x3b0
[  464.287120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.291970]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  464.297354] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  464.297437] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  464.304291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  464.304297] Call Trace:
[  464.304317]  dump_stack+0x244/0x39d
[  464.304342]  ? dump_stack_print_info.cold.1+0x20/0x20
[  464.310906] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  464.320171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.322730] syz-executor2 cpuset=syz2 mems_allowed=0
[  464.326352]  warn_alloc.cold.116+0xb7/0x1bd
[  464.356905]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  464.361760]  ? lock_downgrade+0x900/0x900
[  464.365917]  ? trace_hardirqs_off+0xb8/0x310
[  464.370339]  ? trace_hardirqs_off+0xb8/0x310
[  464.374759]  __alloc_pages_slowpath+0x2651/0x2de0
[  464.379633]  ? warn_alloc+0x120/0x120
[  464.383442]  ? warn_alloc+0x120/0x120
[  464.387258]  ? warn_alloc+0x120/0x120
[  464.391062]  ? trace_hardirqs_off+0xb8/0x310
[  464.395474]  ? print_usage_bug+0xc0/0xc0
[  464.399546]  ? print_usage_bug+0xc0/0xc0
[  464.403617]  ? __lock_acquire+0x62f/0x4c20
[  464.407856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.413408]  ? should_fail+0x22d/0xd01
[  464.417303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.422416]  ? __lock_acquire+0x62f/0x4c20
[  464.426657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.431763]  ? __lock_acquire+0x62f/0x4c20
[  464.435996]  ? should_fail+0x22d/0xd01
[  464.439893]  ? mark_held_locks+0x130/0x130
[  464.444141]  ? mark_held_locks+0x130/0x130
[  464.448384]  ? zap_class+0x640/0x640
[  464.452113]  ? ret_from_fork+0x3a/0x50
[  464.456001]  ? __lock_acquire+0x62f/0x4c20
[  464.460240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.465782]  ? check_preemption_disabled+0x48/0x280
[  464.470809]  ? __lock_is_held+0xb5/0x140
[  464.474880]  __alloc_pages_nodemask+0xad8/0xea0
[  464.479553]  ? zap_class+0x640/0x640
[  464.483278]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  464.488312]  ? find_held_lock+0x36/0x1c0
[  464.492385]  ? ____cache_alloc_node+0x1c7/0x1e0
[  464.497062]  ? lock_downgrade+0x900/0x900
[  464.501220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.506770]  cache_grow_begin+0xa5/0x8c0
[  464.510831]  ? do_raw_spin_unlock+0xa7/0x330
[  464.515251]  fallback_alloc+0x204/0x2e0
[  464.519262]  ____cache_alloc_node+0x1c7/0x1e0
[  464.523765]  kmem_cache_alloc_node+0xe3/0x730
[  464.528264]  ? mark_held_locks+0xc7/0x130
[  464.532432]  __alloc_skb+0x119/0x770
[  464.536159]  ? netdev_alloc_frag+0x1f0/0x1f0
[  464.540572]  ? do_raw_spin_trylock+0x270/0x270
[  464.545157]  ? kmem_cache_alloc_trace+0x353/0x750
[  464.550008]  ? queue_work_on+0x12c/0x1e0
[  464.554084]  ? switchdev_port_obj_del+0xdc/0x440
[  464.558847]  ? switchdev_trans_item_enqueue+0x260/0x260
[  464.564217]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  464.569241]  __br_mdb_notify+0x4ff/0x15d0
[  464.573391]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  464.578523]  ? __br_mdb_add+0x7f0/0x7f0
[  464.582505]  ? mark_held_locks+0x130/0x130
[  464.586752]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  464.591864]  ? debug_object_assert_init+0x368/0x4b0
[  464.596890]  ? debug_object_init_on_stack+0x20/0x20
[  464.601915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.607469]  br_mdb_notify+0x310/0x410
[  464.611358]  ? br_mdb_dump+0x27b0/0x27b0
[  464.615452]  br_multicast_del_pg+0x3df/0x790
[  464.619874]  ? br_mdb_ip_get+0x940/0x940
[  464.623944]  ? rwlock_bug.part.2+0x90/0x90
[  464.628184]  ? __lock_is_held+0xb5/0x140
[  464.632259]  br_multicast_port_group_expired+0x189/0x1e0
[  464.637718]  call_timer_fn+0x272/0x920
[  464.641606]  ? br_multicast_del_pg+0x790/0x790
[  464.646192]  ? process_timeout+0x40/0x40
[  464.650260]  ? __run_timers+0x7da/0xc70
[  464.654237]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.658733]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.663227]  ? br_multicast_del_pg+0x790/0x790
[  464.667825]  ? lockdep_hardirqs_on+0x296/0x5b0
[  464.672421]  ? trace_hardirqs_on+0xbd/0x310
[  464.676747]  ? kasan_check_read+0x11/0x20
[  464.680899]  ? __run_timers+0x7da/0xc70
[  464.684883]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.689997]  ? br_multicast_del_pg+0x790/0x790
[  464.694594]  ? br_multicast_del_pg+0x790/0x790
[  464.699174]  __run_timers+0x7e5/0xc70
[  464.702988]  ? timer_fixup_init+0x70/0x70
[  464.707135]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.711632]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.716132]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  464.720722]  ? trace_hardirqs_on+0xbd/0x310
[  464.725044]  ? kasan_check_read+0x11/0x20
[  464.729195]  ? finish_task_switch+0x1f4/0x910
[  464.733696]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.738799]  ? compat_start_thread+0x80/0x80
[  464.743231]  ? pvclock_read_flags+0x160/0x160
[  464.747729]  ? __switch_to_asm+0x34/0x70
[  464.751797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.757336]  ? check_preemption_disabled+0x48/0x280
[  464.762366]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  464.767912]  ? rcu_pm_notify+0xc0/0xc0
[  464.771809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.777348]  ? check_preemption_disabled+0x48/0x280
[  464.782375]  run_timer_softirq+0x52/0xb0
[  464.786446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  464.791466]  __do_softirq+0x308/0xb7e
[  464.795270]  ? retint_kernel+0x2d/0x2d
[  464.799166]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  464.804273]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  464.809723]  ? retint_kernel+0x2d/0x2d
[  464.813617]  ? schedule+0x108/0x460
[  464.817254]  ? trace_hardirqs_off+0xb8/0x310
[  464.821666]  ? smpboot_thread_fn+0x68b/0xa00
[  464.826080]  ? trace_hardirqs_on+0x310/0x310
[  464.830498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.836041]  ? check_preemption_disabled+0x48/0x280
[  464.841059]  ? takeover_tasklets+0xa90/0xa90
[  464.845473]  run_ksoftirqd+0x5e/0x100
[  464.849274]  smpboot_thread_fn+0x68b/0xa00
[  464.853513]  ? sort_range+0x30/0x30
[  464.857143]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  464.862248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.867788]  ? __kthread_parkme+0xfb/0x1a0
[  464.872026]  ? sort_range+0x30/0x30
[  464.875658]  kthread+0x35a/0x440
[  464.879029]  ? kthread_stop+0x900/0x900
[  464.883009]  ret_from_fork+0x3a/0x50
[  464.886740] warn_alloc_show_mem: 1 callbacks suppressed
[  464.886752] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  464.886754] Mem-Info:
[  464.886786] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  464.886786]  active_file:133 inactive_file:117 isolated_file:0
[  464.886786]  unevictable:0 dirty:3 writeback:0 unstable:0
[  464.886786]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  464.886786]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  464.886786]  free:13727 free_pcp:164 free_cma:0
[  464.892125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  464.899490] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  464.901891] Call Trace:
[  464.935103] 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
[  464.944451]  <IRQ>
[  464.972196] lowmem_reserve[]: 0 2818 6321 6321
[  464.974780]  dump_stack+0x244/0x39d
[  465.000868] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  465.003023]  ? dump_stack_print_info.cold.1+0x20/0x20
[  465.007579] lowmem_reserve[]: 0 0 3503 3503
[  465.011202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.038760] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  465.043961]  warn_alloc.cold.116+0xb7/0x1bd
[  465.048250] lowmem_reserve[]: 0 0 0 0
[  465.053781]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  465.083129] 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
[  465.087456]  ? lock_downgrade+0x900/0x900
[  465.091233] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  465.096074]  ? trace_hardirqs_off+0xb8/0x310
[  465.109569] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  465.113712]  ? trace_hardirqs_off+0xb8/0x310
[  465.129039] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  465.133455]  __alloc_pages_slowpath+0x2651/0x2de0
[  465.146957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  465.151377]  ? warn_alloc+0x120/0x120
[  465.160168] 2220 total pagecache pages
[  465.165004]  ? print_usage_bug+0xc0/0xc0
[  465.173561] 0 pages in swap cache
[  465.177346]  ? warn_alloc+0x120/0x120
[  465.181210] Swap cache stats: add 0, delete 0, find 0/0
[  465.185264]  ? warn_alloc+0x120/0x120
[  465.188692] Free swap  = 0kB
[  465.192490]  ? print_usage_bug+0xc0/0xc0
[  465.197835] Total swap = 0kB
[  465.201647]  ? kvm_clock_read+0x18/0x30
[  465.204644] 1965979 pages RAM
[  465.208698]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  465.211692] 0 pages HighMem/MovableOnly
[  465.215657]  ? print_usage_bug+0xc0/0xc0
[  465.218742] 342854 pages reserved
[  465.223749]  ? __lock_acquire+0x62f/0x4c20
[  465.227698] 0 pages cma reserved
[  465.231755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.235357] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  465.239474]  ? should_fail+0x22d/0xd01
[  465.242813] ksoftirqd/1 cpuset=/ mems_allowed=0
[  465.248344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.272453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.277562]  ? __lock_acquire+0x62f/0x4c20
[  465.281803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.286909]  ? __lock_acquire+0x62f/0x4c20
[  465.291144]  ? should_fail+0x22d/0xd01
[  465.295031]  ? rcu_irq_exit+0x1a2/0x390
[  465.299018]  ? mark_held_locks+0x130/0x130
[  465.303261]  ? mark_held_locks+0x130/0x130
[  465.307507]  ? mark_held_locks+0xc7/0x130
[  465.311656]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  465.316673]  ? zap_class+0x640/0x640
[  465.320389]  ? print_usage_bug+0xc0/0xc0
[  465.324470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.330008]  ? check_preemption_disabled+0x48/0x280
[  465.335066]  ? __lock_is_held+0xb5/0x140
[  465.339139]  __alloc_pages_nodemask+0xad8/0xea0
[  465.343809]  ? zap_class+0x640/0x640
[  465.347528]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  465.352558]  ? find_held_lock+0x36/0x1c0
[  465.356631]  ? ____cache_alloc_node+0x1c7/0x1e0
[  465.361302]  ? lock_downgrade+0x900/0x900
[  465.365475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.371021]  cache_grow_begin+0xa5/0x8c0
[  465.375082]  ? do_raw_spin_unlock+0xa7/0x330
[  465.379498]  fallback_alloc+0x204/0x2e0
[  465.383488]  ____cache_alloc_node+0x1c7/0x1e0
[  465.387989]  kmem_cache_alloc_node+0xe3/0x730
[  465.392489]  ? ipv6_get_ifaddr+0x42e/0x620
[  465.396737]  __alloc_skb+0x119/0x770
[  465.400457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.405740]  ? netdev_alloc_frag+0x1f0/0x1f0
[  465.410152]  ? lock_downgrade+0x900/0x900
[  465.414320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.419853]  ? refcount_sub_and_test_checked+0x203/0x310
[  465.425304]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  465.430786]  ? addrconf_rs_timer+0x690/0x690
[  465.435221]  ndisc_alloc_skb+0x144/0x340
[  465.439288]  ndisc_send_rs+0x331/0x6e0
[  465.443179]  addrconf_rs_timer+0x314/0x690
[  465.447432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.451678]  call_timer_fn+0x272/0x920
[  465.455566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.459804]  ? process_timeout+0x40/0x40
[  465.463877]  ? __run_timers+0x7da/0xc70
[  465.467855]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.472347]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.476844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.481078]  ? lockdep_hardirqs_on+0x296/0x5b0
[  465.485662]  ? trace_hardirqs_on+0xbd/0x310
[  465.489983]  ? kasan_check_read+0x11/0x20
[  465.494127]  ? __run_timers+0x7da/0xc70
[  465.498108]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.503228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.507460]  __run_timers+0x7e5/0xc70
[  465.511273]  ? timer_fixup_init+0x70/0x70
[  465.515439]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  465.520459]  ? zap_class+0x640/0x640
[  465.524180]  ? enqueue_hrtimer+0x1a5/0x560
[  465.528426]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  465.533630]  ? find_held_lock+0x36/0x1c0
[  465.537695]  ? zap_class+0x640/0x640
[  465.541427]  ? pvclock_read_flags+0x160/0x160
[  465.545925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.551468]  ? check_preemption_disabled+0x48/0x280
[  465.556498]  ? __lock_is_held+0xb5/0x140
[  465.560565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.566105]  ? check_preemption_disabled+0x48/0x280
[  465.571126]  run_timer_softirq+0x52/0xb0
[  465.575191]  ? rcu_read_lock_sched_held+0x14f/0x180
[  465.580212]  __do_softirq+0x308/0xb7e
[  465.584017]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  465.588515]  ? lock_downgrade+0x900/0x900
[  465.592668]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  465.597788]  ? pvclock_read_flags+0x160/0x160
[  465.602288]  ? lapic_next_event+0x5a/0x90
[  465.606450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.611995]  ? kvm_clock_read+0x18/0x30
[  465.615984]  ? kvm_sched_clock_read+0x9/0x20
[  465.620396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.625950]  ? check_preemption_disabled+0x48/0x280
[  465.630977]  irq_exit+0x17f/0x1c0
[  465.634454]  smp_apic_timer_interrupt+0x1cb/0x760
[  465.639302]  ? smp_reschedule_interrupt+0x109/0x650
[  465.644322]  ? smp_call_function_single_interrupt+0x650/0x650
[  465.650207]  ? interrupt_entry+0xb5/0xc0
[  465.654270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.659285]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.664303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.669145]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.674176]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.679193]  ? task_prio+0x50/0x50
[  465.682766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.688343]  ? check_preemption_disabled+0x48/0x280
[  465.693366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.698223]  apic_timer_interrupt+0xf/0x20
[  465.702452]  </IRQ>
[  465.704695] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  465.709626] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  465.728523] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  465.736230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  465.743499] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  465.750765] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  465.758032] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  465.765303] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  465.772613]  skb_clone+0x1bb/0x500
[  465.776161]  ? skb_split+0x11e0/0x11e0
[  465.780067]  ? preempt_notifier_register+0x200/0x200
[  465.785180]  ? __switch_to_asm+0x34/0x70
[  465.789236]  ? __switch_to_asm+0x34/0x70
[  465.793297]  ? __switch_to_asm+0x40/0x70
[  465.797358]  ? __switch_to_asm+0x34/0x70
[  465.801429]  ? __switch_to_asm+0x40/0x70
[  465.805490]  ? __switch_to_asm+0x40/0x70
[  465.809566]  ? __switch_to_asm+0x34/0x70
[  465.813628]  ? __switch_to_asm+0x34/0x70
[  465.817686]  ? __switch_to_asm+0x40/0x70
[  465.821744]  ? __switch_to_asm+0x34/0x70
[  465.825813]  bpf_clone_redirect+0xb9/0x490
[  465.830061]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  465.835098]  ? __sched_text_start+0x8/0x8
[  465.839262]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  465.844036]  ? find_held_lock+0x36/0x1c0
[  465.848105]  ? lock_acquire+0x1ed/0x520
[  465.852083]  ? bpf_test_run+0x3ee/0x7a0
[  465.856086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.861627]  ? check_preemption_disabled+0x48/0x280
[  465.866653]  ? kasan_check_read+0x11/0x20
[  465.870805]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.876088]  ? rcu_softirq_qs+0x20/0x20
[  465.880068]  ? preempt_schedule+0x4d/0x60
[  465.884219]  ? ___preempt_schedule+0x16/0x18
[  465.888636]  ? bpf_test_run+0x271/0x7a0
[  465.892624]  ? netlink_diag_dump+0x2a0/0x2a0
[  465.897047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.902611]  ? bpf_test_init.isra.10+0x70/0x100
[  465.907304]  ? bpf_prog_test_run_skb+0x762/0xd60
[  465.912071]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  465.916967]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  465.922504]  ? fput+0x130/0x1a0
[  465.925820]  ? __bpf_prog_get+0x9b/0x290
[  465.929898]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  465.934741]  ? bpf_prog_test_run+0x130/0x1a0
[  465.939154]  ? __x64_sys_bpf+0x3d8/0x520
[  465.943214]  ? bpf_prog_get+0x20/0x20
[  465.947035]  ? do_syscall_64+0x1b9/0x820
[  465.951108]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  465.956472]  ? syscall_return_slowpath+0x5e0/0x5e0
[  465.961406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.966259]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.971283]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  465.976300]  ? prepare_exit_to_usermode+0x291/0x3b0
[  465.981343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.986250]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  465.991630] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  465.991703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  465.998557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  465.998566] Call Trace:
[  466.005131] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  466.014408]  dump_stack+0x244/0x39d
[  466.016968] syz-executor2 cpuset=syz2 mems_allowed=0
[  466.027450]  ? dump_stack_print_info.cold.1+0x20/0x20
[  466.041436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.046984]  warn_alloc.cold.116+0xb7/0x1bd
[  466.051351]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  466.056197]  ? lock_downgrade+0x900/0x900
[  466.060462]  ? trace_hardirqs_off+0xb8/0x310
[  466.064910]  ? trace_hardirqs_off+0xb8/0x310
[  466.069353]  __alloc_pages_slowpath+0x2651/0x2de0
[  466.074224]  ? warn_alloc+0x120/0x120
[  466.078031]  ? warn_alloc+0x120/0x120
[  466.081840]  ? warn_alloc+0x120/0x120
[  466.085644]  ? trace_hardirqs_off+0xb8/0x310
[  466.090090]  ? print_usage_bug+0xc0/0xc0
[  466.094191]  ? print_usage_bug+0xc0/0xc0
[  466.098261]  ? __lock_acquire+0x62f/0x4c20
[  466.102502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.108043]  ? should_fail+0x22d/0xd01
[  466.111970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.117091]  ? __lock_acquire+0x62f/0x4c20
[  466.121350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.126453]  ? __lock_acquire+0x62f/0x4c20
[  466.130687]  ? should_fail+0x22d/0xd01
[  466.134588]  ? mark_held_locks+0x130/0x130
[  466.138832]  ? mark_held_locks+0x130/0x130
[  466.143082]  ? zap_class+0x640/0x640
[  466.146797]  ? ret_from_fork+0x3a/0x50
[  466.150688]  ? __lock_acquire+0x62f/0x4c20
[  466.154934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.160478]  ? check_preemption_disabled+0x48/0x280
[  466.165506]  ? __lock_is_held+0xb5/0x140
[  466.169579]  __alloc_pages_nodemask+0xad8/0xea0
[  466.174271]  ? zap_class+0x640/0x640
[  466.177995]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  466.183024]  ? find_held_lock+0x36/0x1c0
[  466.187095]  ? ____cache_alloc_node+0x1c7/0x1e0
[  466.192258]  ? lock_downgrade+0x900/0x900
[  466.196424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.201972]  cache_grow_begin+0xa5/0x8c0
[  466.206040]  ? do_raw_spin_unlock+0xa7/0x330
[  466.210457]  fallback_alloc+0x204/0x2e0
[  466.214448]  ____cache_alloc_node+0x1c7/0x1e0
[  466.218953]  kmem_cache_alloc_node+0xe3/0x730
[  466.223454]  ? mark_held_locks+0xc7/0x130
[  466.227614]  __alloc_skb+0x119/0x770
[  466.231335]  ? netdev_alloc_frag+0x1f0/0x1f0
[  466.235746]  ? do_raw_spin_trylock+0x270/0x270
[  466.240336]  ? kmem_cache_alloc_trace+0x353/0x750
[  466.245193]  ? queue_work_on+0x12c/0x1e0
[  466.249265]  ? switchdev_port_obj_del+0xdc/0x440
[  466.254027]  ? switchdev_trans_item_enqueue+0x260/0x260
[  466.259421]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  466.265229]  __br_mdb_notify+0x4ff/0x15d0
[  466.269378]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  466.274500]  ? __br_mdb_add+0x7f0/0x7f0
[  466.278481]  ? mark_held_locks+0x130/0x130
[  466.282723]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  466.287832]  ? debug_object_assert_init+0x368/0x4b0
[  466.292853]  ? debug_object_init_on_stack+0x20/0x20
[  466.297876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.303429]  br_mdb_notify+0x310/0x410
[  466.307322]  ? br_mdb_dump+0x27b0/0x27b0
[  466.311411]  br_multicast_del_pg+0x3df/0x790
[  466.315837]  ? br_mdb_ip_get+0x940/0x940
[  466.319904]  ? rwlock_bug.part.2+0x90/0x90
[  466.324148]  ? __lock_is_held+0xb5/0x140
[  466.328221]  br_multicast_port_group_expired+0x189/0x1e0
[  466.333678]  call_timer_fn+0x272/0x920
[  466.337572]  ? br_multicast_del_pg+0x790/0x790
[  466.342155]  ? process_timeout+0x40/0x40
[  466.346245]  ? __run_timers+0x7da/0xc70
[  466.350226]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.354725]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.359221]  ? br_multicast_del_pg+0x790/0x790
[  466.363816]  ? lockdep_hardirqs_on+0x296/0x5b0
[  466.368409]  ? trace_hardirqs_on+0xbd/0x310
[  466.372735]  ? kasan_check_read+0x11/0x20
[  466.376882]  ? __run_timers+0x7da/0xc70
[  466.380858]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.385972]  ? br_multicast_del_pg+0x790/0x790
[  466.390565]  ? br_multicast_del_pg+0x790/0x790
[  466.395145]  __run_timers+0x7e5/0xc70
[  466.398965]  ? timer_fixup_init+0x70/0x70
[  466.403114]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.407608]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.412108]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  466.416698]  ? trace_hardirqs_on+0xbd/0x310
[  466.421020]  ? kasan_check_read+0x11/0x20
[  466.425174]  ? finish_task_switch+0x1f4/0x910
[  466.429671]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.434776]  ? compat_start_thread+0x80/0x80
[  466.439207]  ? pvclock_read_flags+0x160/0x160
[  466.443702]  ? __switch_to_asm+0x34/0x70
[  466.447766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.453311]  ? check_preemption_disabled+0x48/0x280
[  466.458337]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  466.463877]  ? rcu_pm_notify+0xc0/0xc0
[  466.467770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.473314]  ? check_preemption_disabled+0x48/0x280
[  466.478338]  run_timer_softirq+0x52/0xb0
[  466.482413]  ? rcu_read_lock_sched_held+0x14f/0x180
[  466.487440]  __do_softirq+0x308/0xb7e
[  466.491247]  ? retint_kernel+0x2d/0x2d
[  466.495141]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  466.500246]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  466.505697]  ? retint_kernel+0x2d/0x2d
[  466.509595]  ? schedule+0x108/0x460
[  466.513237]  ? trace_hardirqs_off+0xb8/0x310
[  466.517653]  ? smpboot_thread_fn+0x68b/0xa00
[  466.522064]  ? trace_hardirqs_on+0x310/0x310
[  466.526475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.532015]  ? check_preemption_disabled+0x48/0x280
[  466.537040]  ? takeover_tasklets+0xa90/0xa90
[  466.541450]  run_ksoftirqd+0x5e/0x100
[  466.545257]  smpboot_thread_fn+0x68b/0xa00
[  466.549497]  ? sort_range+0x30/0x30
[  466.553129]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  466.558237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.563779]  ? __kthread_parkme+0xfb/0x1a0
[  466.568022]  ? sort_range+0x30/0x30
[  466.571655]  kthread+0x35a/0x440
[  466.575028]  ? kthread_stop+0x900/0x900
[  466.579010]  ret_from_fork+0x3a/0x50
[  466.582741] warn_alloc_show_mem: 1 callbacks suppressed
[  466.582754] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  466.582756] Mem-Info:
[  466.582787] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  466.582787]  active_file:133 inactive_file:117 isolated_file:0
[  466.582787]  unevictable:0 dirty:3 writeback:0 unstable:0
[  466.582787]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  466.582787]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  466.582787]  free:13727 free_pcp:164 free_cma:0
[  466.588128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  466.595495] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  466.597892] Call Trace:
[  466.631109] 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
[  466.640456]  <IRQ>
[  466.668196] lowmem_reserve[]: 0 2818 6321 6321
[  466.670797]  dump_stack+0x244/0x39d
[  466.696887] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  466.699049]  ? dump_stack_print_info.cold.1+0x20/0x20
[  466.703596] lowmem_reserve[]: 0 0 3503 3503
[  466.707221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.734788] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  466.739992]  warn_alloc.cold.116+0xb7/0x1bd
[  466.744276] lowmem_reserve[]: 0 0 0 0
[  466.749810]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  466.779028] 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
[  466.783354]  ? lock_downgrade+0x900/0x900
[  466.787125] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  466.791967]  ? trace_hardirqs_off+0xb8/0x310
[  466.805460] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  466.809602]  ? trace_hardirqs_off+0xb8/0x310
[  466.824933] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  466.829334]  __alloc_pages_slowpath+0x2651/0x2de0
[  466.842830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  466.847249]  ? warn_alloc+0x120/0x120
[  466.856036] 2220 total pagecache pages
[  466.860875]  ? print_usage_bug+0xc0/0xc0
[  466.869436] 0 pages in swap cache
[  466.873227]  ? warn_alloc+0x120/0x120
[  466.877093] Swap cache stats: add 0, delete 0, find 0/0
[  466.881145]  ? warn_alloc+0x120/0x120
[  466.884580] Free swap  = 0kB
[  466.888380]  ? print_usage_bug+0xc0/0xc0
[  466.893721] Total swap = 0kB
[  466.897515]  ? kvm_clock_read+0x18/0x30
[  466.900512] 1965979 pages RAM
[  466.904567]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  466.907562] 0 pages HighMem/MovableOnly
[  466.911529]  ? print_usage_bug+0xc0/0xc0
[  466.914611] 342854 pages reserved
[  466.919623]  ? __lock_acquire+0x62f/0x4c20
[  466.923571] 0 pages cma reserved
[  466.927629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.931256] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  466.935297]  ? should_fail+0x22d/0xd01
[  466.938638] ksoftirqd/1 cpuset=/ mems_allowed=0
[  466.944170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.968268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.973374]  ? __lock_acquire+0x62f/0x4c20
[  466.977620]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.982726]  ? __lock_acquire+0x62f/0x4c20
[  466.986960]  ? should_fail+0x22d/0xd01
[  466.990844]  ? rcu_irq_exit+0x1a2/0x390
[  466.994836]  ? mark_held_locks+0x130/0x130
[  466.999082]  ? mark_held_locks+0x130/0x130
[  467.003323]  ? mark_held_locks+0xc7/0x130
[  467.007474]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  467.012497]  ? zap_class+0x640/0x640
[  467.016212]  ? print_usage_bug+0xc0/0xc0
[  467.020284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.025829]  ? check_preemption_disabled+0x48/0x280
[  467.030857]  ? __lock_is_held+0xb5/0x140
[  467.034925]  __alloc_pages_nodemask+0xad8/0xea0
[  467.039595]  ? zap_class+0x640/0x640
[  467.043321]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  467.048352]  ? find_held_lock+0x36/0x1c0
[  467.052439]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.057113]  ? lock_downgrade+0x900/0x900
[  467.061767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.067314]  cache_grow_begin+0xa5/0x8c0
[  467.071375]  ? do_raw_spin_unlock+0xa7/0x330
[  467.075803]  fallback_alloc+0x204/0x2e0
[  467.079794]  ____cache_alloc_node+0x1c7/0x1e0
[  467.084300]  kmem_cache_alloc_node+0xe3/0x730
[  467.088797]  ? ipv6_get_ifaddr+0x42e/0x620
[  467.093042]  __alloc_skb+0x119/0x770
[  467.096754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.102040]  ? netdev_alloc_frag+0x1f0/0x1f0
[  467.106455]  ? lock_downgrade+0x900/0x900
[  467.110617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.116185]  ? refcount_sub_and_test_checked+0x203/0x310
[  467.121645]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  467.127099]  ? addrconf_rs_timer+0x690/0x690
[  467.131521]  ndisc_alloc_skb+0x144/0x340
[  467.135589]  ndisc_send_rs+0x331/0x6e0
[  467.139485]  addrconf_rs_timer+0x314/0x690
[  467.143730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.147977]  call_timer_fn+0x272/0x920
[  467.151865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.156103]  ? process_timeout+0x40/0x40
[  467.160176]  ? __run_timers+0x7da/0xc70
[  467.164153]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.168648]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.173146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.177384]  ? lockdep_hardirqs_on+0x296/0x5b0
[  467.181981]  ? trace_hardirqs_on+0xbd/0x310
[  467.186305]  ? kasan_check_read+0x11/0x20
[  467.190456]  ? __run_timers+0x7da/0xc70
[  467.194444]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.199553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.203793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.208025]  __run_timers+0x7e5/0xc70
[  467.211842]  ? timer_fixup_init+0x70/0x70
[  467.215993]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  467.221009]  ? zap_class+0x640/0x640
[  467.224727]  ? enqueue_hrtimer+0x1a5/0x560
[  467.228966]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  467.234159]  ? find_held_lock+0x36/0x1c0
[  467.238266]  ? zap_class+0x640/0x640
[  467.241989]  ? pvclock_read_flags+0x160/0x160
[  467.246489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.252026]  ? check_preemption_disabled+0x48/0x280
[  467.257056]  ? __lock_is_held+0xb5/0x140
[  467.261123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.266665]  ? check_preemption_disabled+0x48/0x280
[  467.271686]  run_timer_softirq+0x52/0xb0
[  467.275751]  ? rcu_read_lock_sched_held+0x14f/0x180
[  467.280770]  __do_softirq+0x308/0xb7e
[  467.284574]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  467.289079]  ? lock_downgrade+0x900/0x900
[  467.293234]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  467.298351]  ? pvclock_read_flags+0x160/0x160
[  467.302849]  ? lapic_next_event+0x5a/0x90
[  467.307003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.312549]  ? kvm_clock_read+0x18/0x30
[  467.316524]  ? kvm_sched_clock_read+0x9/0x20
[  467.320968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.326526]  ? check_preemption_disabled+0x48/0x280
[  467.331551]  irq_exit+0x17f/0x1c0
[  467.335008]  smp_apic_timer_interrupt+0x1cb/0x760
[  467.339849]  ? smp_reschedule_interrupt+0x109/0x650
[  467.344872]  ? smp_call_function_single_interrupt+0x650/0x650
[  467.350770]  ? interrupt_entry+0xb5/0xc0
[  467.354841]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.359856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.364875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.369725]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.374745]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.379764]  ? task_prio+0x50/0x50
[  467.383306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.388873]  ? check_preemption_disabled+0x48/0x280
[  467.393892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.398743]  apic_timer_interrupt+0xf/0x20
[  467.402974]  </IRQ>
[  467.405215] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  467.410151] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  467.429053] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  467.436761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  467.444031] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  467.451298] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  467.458568] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  467.465838] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  467.473153]  skb_clone+0x1bb/0x500
[  467.476699]  ? skb_split+0x11e0/0x11e0
[  467.480595]  ? preempt_notifier_register+0x200/0x200
[  467.485698]  ? __switch_to_asm+0x34/0x70
[  467.489760]  ? __switch_to_asm+0x34/0x70
[  467.493820]  ? __switch_to_asm+0x40/0x70
[  467.497883]  ? __switch_to_asm+0x34/0x70
[  467.501945]  ? __switch_to_asm+0x40/0x70
[  467.506010]  ? __switch_to_asm+0x40/0x70
[  467.510070]  ? __switch_to_asm+0x34/0x70
[  467.514130]  ? __switch_to_asm+0x34/0x70
[  467.518190]  ? __switch_to_asm+0x40/0x70
[  467.522251]  ? __switch_to_asm+0x34/0x70
[  467.526319]  bpf_clone_redirect+0xb9/0x490
[  467.530563]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  467.535586]  ? __sched_text_start+0x8/0x8
[  467.539738]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  467.544509]  ? find_held_lock+0x36/0x1c0
[  467.548583]  ? lock_acquire+0x1ed/0x520
[  467.552563]  ? bpf_test_run+0x3ee/0x7a0
[  467.556541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.562081]  ? check_preemption_disabled+0x48/0x280
[  467.567105]  ? kasan_check_read+0x11/0x20
[  467.571259]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.576539]  ? rcu_softirq_qs+0x20/0x20
[  467.580518]  ? preempt_schedule+0x4d/0x60
[  467.584668]  ? ___preempt_schedule+0x16/0x18
[  467.589086]  ? bpf_test_run+0x271/0x7a0
[  467.593083]  ? netlink_diag_dump+0x2a0/0x2a0
[  467.597502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.603042]  ? bpf_test_init.isra.10+0x70/0x100
[  467.607718]  ? bpf_prog_test_run_skb+0x762/0xd60
[  467.612489]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  467.617337]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  467.622875]  ? fput+0x130/0x1a0
[  467.626162]  ? __bpf_prog_get+0x9b/0x290
[  467.630229]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  467.635075]  ? bpf_prog_test_run+0x130/0x1a0
[  467.639488]  ? __x64_sys_bpf+0x3d8/0x520
[  467.643552]  ? bpf_prog_get+0x20/0x20
[  467.647373]  ? do_syscall_64+0x1b9/0x820
[  467.651452]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  467.656820]  ? syscall_return_slowpath+0x5e0/0x5e0
[  467.661749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.666597]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.671615]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  467.676642]  ? prepare_exit_to_usermode+0x291/0x3b0
[  467.681667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.686524]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  467.691914] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  467.691943] rcu: INFO: rcu_preempt self-detected stall on CPU
[  467.698853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  467.698862] Call Trace:
[  467.704975] rcu: 	0-...!: (1 GPs behind) idle=cfa/1/0x4000000000000004 softirq=17075/17076 fqs=2 
[  467.714084]  dump_stack+0x244/0x39d
[  467.714102]  ? dump_stack_print_info.cold.1+0x20/0x20
[  467.714119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.714143]  warn_alloc.cold.116+0xb7/0x1bd
[  467.714159]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  467.714181]  ? lock_downgrade+0x900/0x900
[  467.714203]  ? trace_hardirqs_off+0xb8/0x310
[  467.714224]  ? trace_hardirqs_off+0xb8/0x310
[  467.714245]  __alloc_pages_slowpath+0x2651/0x2de0
[  467.717045] rcu: 	 (t=10630 jiffies g=21721 q=29)
[  467.726079]  ? warn_alloc+0x120/0x120
[  467.729672] rcu: rcu_preempt kthread starved for 10407 jiffies! g21721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  467.734852]  ? warn_alloc+0x120/0x120
[  467.740362] rcu: RCU grace-period kthread stack dump:
[  467.744675]  ? warn_alloc+0x120/0x120
[  467.749494] rcu_preempt     R  running task    22568    10      2 0x80000000
[  467.753636]  ? trace_hardirqs_off+0xb8/0x310
[  467.758016] Call Trace:
[  467.762423]  ? print_usage_bug+0xc0/0xc0
[  467.767282]  __schedule+0x8cf/0x21d0
[  467.772127]  ? print_usage_bug+0xc0/0xc0
[  467.775915]  ? __sched_text_start+0x8/0x8
[  467.786387]  ? __lock_acquire+0x62f/0x4c20
[  467.790185]  ? add_timer_on+0xa20/0xa20
[  467.795358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.799140]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  467.806315]  ? should_fail+0x22d/0xd01
[  467.810703]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  467.813273]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.817332]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  467.821046]  ? __lock_acquire+0x62f/0x4c20
[  467.825094]  ? trace_hardirqs_on+0xbd/0x310
[  467.829225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.833453]  ? kasan_check_read+0x11/0x20
[  467.837421]  ? __lock_acquire+0x62f/0x4c20
[  467.842960]  ? prepare_to_swait_event+0x25a/0x800
[  467.848056]  ? should_fail+0x22d/0xd01
[  467.851944]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.857057]  ? mark_held_locks+0x130/0x130
[  467.862135]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  467.866704]  ? mark_held_locks+0x130/0x130
[  467.870924]  schedule+0xfe/0x460
[  467.875238]  ? zap_class+0x640/0x640
[  467.880318]  ? __schedule+0x21d0/0x21d0
[  467.884466]  ? ret_from_fork+0x3a/0x50
[  467.888724]  ? prepare_to_swait_event+0x25a/0x800
[  467.893552]  ? __lock_acquire+0x62f/0x4c20
[  467.897437]  ? __init_swait_queue_head+0x150/0x150
[  467.902517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.906731]  ? __lockdep_init_map+0x105/0x590
[  467.911821]  ? check_preemption_disabled+0x48/0x280
[  467.916031]  ? lockdep_init_map+0x9/0x10
[  467.919387]  ? __lock_is_held+0xb5/0x140
[  467.923105]  schedule_timeout+0x140/0x260
[  467.927063]  __alloc_pages_nodemask+0xad8/0xea0
[  467.930947]  ? usleep_range+0x1a0/0x1a0
[  467.935772]  ? zap_class+0x640/0x640
[  467.939990]  ? __next_timer_interrupt+0x1a0/0x1a0
[  467.944906]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  467.950466]  rcu_gp_fqs_loop+0x762/0xa80
[  467.954947]  ? find_held_lock+0x36/0x1c0
[  467.959944]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  467.964008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.968052]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.972197]  ? lock_downgrade+0x900/0x900
[  467.976852]  ? perf_trace_sched_process_exec+0x860/0x860
[  467.980846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.984542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.989369]  cache_grow_begin+0xa5/0x8c0
[  467.994371]  ? rcu_gp_init+0x90b/0x1260
[  467.998420]  ? do_raw_spin_unlock+0xa7/0x330
[  468.002479]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  468.007222]  fallback_alloc+0x204/0x2e0
[  468.011874]  ? rcu_accelerate_cbs+0x10a/0xae0
[  468.016965]  ____cache_alloc_node+0x1c7/0x1e0
[  468.021094]  ? zap_class+0x640/0x640
[  468.026534]  kmem_cache_alloc_node+0xe3/0x730
[  468.032057]  ? zap_class+0x640/0x640
[  468.037578]  ? mark_held_locks+0xc7/0x130
[  468.041629]  ? __lock_is_held+0xb5/0x140
[  468.045586]  __alloc_skb+0x119/0x770
[  468.049975]  ? __lock_is_held+0xb5/0x140
[  468.054714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  468.058670]  ? zap_class+0x640/0x640
[  468.063152]  ? do_raw_spin_trylock+0x270/0x270
[  468.067634]  ? rcu_accelerate_cbs+0x10a/0xae0
[  468.071334]  ? kmem_cache_alloc_trace+0x353/0x750
[  468.075826]  ? find_held_lock+0x36/0x1c0
[  468.079522]  ? queue_work_on+0x12c/0x1e0
[  468.083666]  ? rcu_gp_kthread+0x8cf/0xc70
[  468.087713]  ? switchdev_port_obj_del+0xdc/0x440
[  468.091417]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.095467]  ? switchdev_trans_item_enqueue+0x260/0x260
[  468.099856]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.103575]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  468.108142]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.112624]  __br_mdb_notify+0x4ff/0x15d0
[  468.117468]  ? trace_hardirqs_on+0xbd/0x310
[  468.121510]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.125560]  ? kasan_check_read+0x11/0x20
[  468.129695]  ? __br_mdb_add+0x7f0/0x7f0
[  468.134441]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.138932]  ? mark_held_locks+0x130/0x130
[  468.144274]  ? perf_trace_sched_process_exec+0x860/0x860
[  468.148758]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  468.153757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.158324]  ? debug_object_assert_init+0x368/0x4b0
[  468.162462]  rcu_gp_kthread+0x341/0xc70
[  468.166762]  ? debug_object_init_on_stack+0x20/0x20
[  468.171848]  ? rcu_gp_init+0x1260/0x1260
[  468.176041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.180003]  ? mark_held_locks+0x130/0x130
[  468.185094]  br_mdb_notify+0x310/0x410
[  468.189316]  ? __schedule+0x168a/0x21d0
[  468.194759]  ? br_mdb_dump+0x27b0/0x27b0
[  468.199848]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.205387]  br_multicast_del_pg+0x3df/0x790
[  468.210379]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.214343]  ? br_mdb_ip_get+0x940/0x940
[  468.219339]  ? trace_hardirqs_on+0xbd/0x310
[  468.223380]  ? rwlock_bug.part.2+0x90/0x90
[  468.228908]  ? kasan_check_read+0x11/0x20
[  468.233130]  ? __lock_is_held+0xb5/0x140
[  468.237001]  ? __schedule+0x168a/0x21d0
[  468.240963]  br_multicast_port_group_expired+0x189/0x1e0
[  468.245019]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.249497]  call_timer_fn+0x272/0x920
[  468.253890]  ? lock_pin_lock+0x350/0x350
[  468.258457]  ? br_multicast_del_pg+0x790/0x790
[  468.262509]  ? _raw_spin_unlock_irq+0x60/0x80
[  468.266811]  ? process_timeout+0x40/0x40
[  468.271034]  ? __schedule+0x168a/0x21d0
[  468.275167]  ? __run_timers+0x7da/0xc70
[  468.279210]  ? __switch_to_asm+0x40/0x70
[  468.283171]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.288605]  ? __switch_to_asm+0x40/0x70
[  468.293695]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.297570]  ? show_schedstat+0x551/0xf30
[  468.301621]  ? br_multicast_del_pg+0x790/0x790
[  468.306190]  ? __sched_text_start+0x8/0x8
[  468.310671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  468.314721]  ? find_held_lock+0x36/0x1c0
[  468.318682]  ? trace_hardirqs_on+0xbd/0x310
[  468.322647]  ? __kthread_parkme+0xce/0x1a0
[  468.326687]  ? kasan_check_read+0x11/0x20
[  468.331161]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.335204]  ? __run_timers+0x7da/0xc70
[  468.339686]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.343824]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.348393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.352541]  ? br_multicast_del_pg+0x790/0x790
[  468.357107]  ? trace_hardirqs_on+0xbd/0x310
[  468.361154]  ? br_multicast_del_pg+0x790/0x790
[  468.365464]  ? kasan_check_read+0x11/0x20
[  468.369679]  __run_timers+0x7e5/0xc70
[  468.373814]  ? __kthread_parkme+0xce/0x1a0
[  468.378906]  ? timer_fixup_init+0x70/0x70
[  468.382858]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.387972]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.393128]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  468.397690]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.402257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.406560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.411140]  ? __kthread_parkme+0xfb/0x1a0
[  468.415290]  ? trace_hardirqs_on+0xbd/0x310
[  468.419076]  ? rcu_gp_init+0x1260/0x1260
[  468.423291]  ? kasan_check_read+0x11/0x20
[  468.427436]  kthread+0x35a/0x440
[  468.432521]  ? finish_task_switch+0x1f4/0x910
[  468.437015]  ? kthread_stop+0x900/0x900
[  468.442101]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.446577]  ret_from_fork+0x3a/0x50
[  468.452127]  ? compat_start_thread+0x80/0x80
[  468.456705] NMI backtrace for cpu 0
[  468.460935]  ? pvclock_read_flags+0x160/0x160
[  468.506474]  ? __switch_to_asm+0x34/0x70
[  468.510542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.516101]  ? check_preemption_disabled+0x48/0x280
[  468.521133]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  468.526675]  ? rcu_pm_notify+0xc0/0xc0
[  468.530571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.536111]  ? check_preemption_disabled+0x48/0x280
[  468.541133]  run_timer_softirq+0x52/0xb0
[  468.545213]  ? rcu_read_lock_sched_held+0x14f/0x180
[  468.550234]  __do_softirq+0x308/0xb7e
[  468.554039]  ? retint_kernel+0x2d/0x2d
[  468.557936]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  468.563041]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  468.568502]  ? retint_kernel+0x2d/0x2d
[  468.572430]  ? schedule+0x108/0x460
[  468.576069]  ? trace_hardirqs_off+0xb8/0x310
[  468.580481]  ? smpboot_thread_fn+0x68b/0xa00
[  468.584925]  ? trace_hardirqs_on+0x310/0x310
[  468.589349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.594887]  ? check_preemption_disabled+0x48/0x280
[  468.599918]  ? takeover_tasklets+0xa90/0xa90
[  468.604336]  run_ksoftirqd+0x5e/0x100
[  468.608143]  smpboot_thread_fn+0x68b/0xa00
[  468.612406]  ? sort_range+0x30/0x30
[  468.616051]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  468.621172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.626729]  ? __kthread_parkme+0xfb/0x1a0
[  468.630996]  ? sort_range+0x30/0x30
[  468.634622]  kthread+0x35a/0x440
[  468.637994]  ? kthread_stop+0x900/0x900
[  468.641974]  ret_from_fork+0x3a/0x50
[  468.645703] warn_alloc_show_mem: 1 callbacks suppressed
[  468.645715] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  468.645717] Mem-Info:
[  468.645750] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  468.645750]  active_file:133 inactive_file:117 isolated_file:0
[  468.645750]  unevictable:0 dirty:3 writeback:0 unstable:0
[  468.645750]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  468.645750]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  468.645750]  free:13727 free_pcp:164 free_cma:0
[  468.651082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  468.658452] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  468.658461] 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
[  468.660884] Call Trace:
[  468.694091] lowmem_reserve[]: 0 2818 6321 6321
[  468.703453]  <IRQ>
[  468.731199] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  468.757318]  dump_stack+0x244/0x39d
[  468.759879] lowmem_reserve[]: 0 0 3503 3503
[  468.764480]  ? dump_stack_print_info.cold.1+0x20/0x20
[  468.766607] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  468.794217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.797817] lowmem_reserve[]: 0 0 0 0
[  468.802132]  ? do_raw_spin_lock+0x14f/0x350
[  468.807295] 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
[  468.836526]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  468.842052] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  468.845870]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  468.850166] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  468.863685]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  468.868342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  468.883674]  arch_trigger_cpumask_backtrace+0x14/0x20
[  468.888840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  468.902347]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  468.907599] 2220 total pagecache pages
[  468.916452]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  468.921611] 0 pages in swap cache
[  468.930170]  ? print_other_cpu_stall+0x160/0x160
[  468.934572] Swap cache stats: add 0, delete 0, find 0/0
[  468.938463]  ? print_usage_bug+0xc0/0xc0
[  468.943191] Free swap  = 0kB
[  468.946640]  ? kasan_check_read+0x11/0x20
[  468.951368] Total swap = 0kB
[  468.956725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.960761] 1965979 pages RAM
[  468.963775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.967894] 0 pages HighMem/MovableOnly
[  468.967903] 342854 pages reserved
[  468.970944]  ? do_trace_rcu_torture_read+0x10/0x10
[  468.976459] 0 pages cma reserved
[  468.979561]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  468.985253] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  468.989065]  ? __lock_is_held+0xb5/0x140
[  468.992509] ksoftirqd/1 cpuset=/ mems_allowed=0
[  468.997445]  ? __rcu_read_lock+0x50/0x50
[  469.029116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.034653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.040192]  ? check_preemption_disabled+0x48/0x280
[  469.045230]  rcu_check_callbacks+0xf3b/0x13f0
[  469.049746]  ? rcutree_dead_cpu+0x10/0x10
[  469.053927]  ? lock_downgrade+0x900/0x900
[  469.058094]  ? lock_release+0x960/0xa00
[  469.062558]  ? zap_class+0x640/0x640
[  469.066273]  ? zap_class+0x640/0x640
[  469.069991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.075537]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  469.080119]  ? kvm_set_tsc_khz+0x540/0x540
[  469.084354]  ? warn_alloc.cold.116+0xd1/0x1bd
[  469.088854]  ? find_held_lock+0x36/0x1c0
[  469.092923]  ? zap_class+0x640/0x640
[  469.096644]  ? timekeeping_advance+0x3cc/0xc00
[  469.101244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.106810]  ? check_preemption_disabled+0x48/0x280
[  469.111852]  ? trace_hardirqs_off+0xb8/0x310
[  469.116260]  ? __lock_is_held+0xb5/0x140
[  469.120321]  ? trace_hardirqs_on+0x310/0x310
[  469.124758]  ? check_preemption_disabled+0x48/0x280
[  469.129783]  ? raise_softirq+0x199/0x420
[  469.133846]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  469.138517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.144067]  ? check_preemption_disabled+0x48/0x280
[  469.149089]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  469.154626]  ? hrtimer_run_queues+0x9a/0x400
[  469.159039]  ? run_local_timers+0x19b/0x230
[  469.163364]  ? timer_clear_idle+0x90/0x90
[  469.167520]  ? debug_smp_processor_id+0x1c/0x20
[  469.172195]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  469.178174]  ? account_process_tick+0x282/0x350
[  469.182849]  update_process_times+0x2d/0x70
[  469.187177]  tick_sched_handle+0x9f/0x180
[  469.191330]  tick_sched_timer+0x45/0x130
[  469.195396]  __hrtimer_run_queues+0x41c/0x10d0
[  469.200002]  ? tick_sched_do_timer+0x1a0/0x1a0
[  469.204589]  ? hrtimer_start_range_ns+0xe00/0xe00
[  469.209454]  ? pvclock_read_flags+0x160/0x160
[  469.213959]  ? trace_hardirqs_on+0x310/0x310
[  469.218376]  ? kvm_clock_read+0x18/0x30
[  469.222360]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  469.227378]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  469.232759]  ? do_timer+0x50/0x50
[  469.236217]  ? rwlock_bug.part.2+0x90/0x90
[  469.240457]  ? trace_hardirqs_on+0x310/0x310
[  469.244869]  ? rcu_softirq_qs+0x20/0x20
[  469.248860]  hrtimer_interrupt+0x313/0x780
[  469.253119]  smp_apic_timer_interrupt+0x1a1/0x760
[  469.257968]  ? smp_call_function_single_interrupt+0x650/0x650
[  469.263852]  ? interrupt_entry+0xb5/0xc0
[  469.267916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.272937]  ? ____cache_alloc_node+0x1c7/0x1e0
[  469.277614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.282462]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.287494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.292349]  apic_timer_interrupt+0xf/0x20
[  469.296586] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  469.301952] Code: 3f 7e 0f 85 32 ff ff ff e8 35 0d 3e ff e9 28 ff ff ff e8 ec 42 c3 ff 48 83 3d 74 8b 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 1a c2
[  469.320871] RSP: 0000:ffff8881dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  469.328580] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff110373c5921
[  469.335847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[  469.343115] RBP: ffff8881dae074c0 R08: ffff8881b9e2c908 R09: 0000000000000002
[  469.350380] R10: 0000000000000000 R11: ffff8881b9e2c040 R12: ffff8881d9bee600
[  469.357657] R13: ffff8881d9bee600 R14: 0000000000000000 R15: 0000000000000282
[  469.364937]  ? apic_timer_interrupt+0xa/0x20
[  469.369374]  ? ipv6_get_ifaddr+0x42e/0x620
[  469.373631]  __alloc_skb+0x119/0x770
[  469.377350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.382635]  ? netdev_alloc_frag+0x1f0/0x1f0
[  469.387047]  ? lock_downgrade+0x900/0x900
[  469.391207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.396748]  ? refcount_sub_and_test_checked+0x203/0x310
[  469.402202]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  469.407680]  ? addrconf_rs_timer+0x690/0x690
[  469.412105]  ndisc_alloc_skb+0x144/0x340
[  469.416177]  ndisc_send_rs+0x331/0x6e0
[  469.420071]  addrconf_rs_timer+0x314/0x690
[  469.424315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.428563]  call_timer_fn+0x272/0x920
[  469.432454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.436694]  ? process_timeout+0x40/0x40
[  469.440768]  ? __run_timers+0x7da/0xc70
[  469.444745]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.449244]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.453739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.457977]  ? lockdep_hardirqs_on+0x296/0x5b0
[  469.462564]  ? trace_hardirqs_on+0xbd/0x310
[  469.466889]  ? kasan_check_read+0x11/0x20
[  469.471049]  ? __run_timers+0x7da/0xc70
[  469.475031]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.480145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.484386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.488632]  __run_timers+0x7e5/0xc70
[  469.492459]  ? timer_fixup_init+0x70/0x70
[  469.496617]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  469.501638]  ? zap_class+0x640/0x640
[  469.505355]  ? enqueue_hrtimer+0x1a5/0x560
[  469.509593]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  469.514811]  ? find_held_lock+0x36/0x1c0
[  469.518896]  ? zap_class+0x640/0x640
[  469.522617]  ? pvclock_read_flags+0x160/0x160
[  469.527116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.532656]  ? check_preemption_disabled+0x48/0x280
[  469.537685]  ? __lock_is_held+0xb5/0x140
[  469.541753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.547294]  ? check_preemption_disabled+0x48/0x280
[  469.552316]  run_timer_softirq+0x52/0xb0
[  469.556382]  ? rcu_read_lock_sched_held+0x14f/0x180
[  469.561418]  __do_softirq+0x308/0xb7e
[  469.565234]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  469.569730]  ? lock_downgrade+0x900/0x900
[  469.573887]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  469.579002]  ? pvclock_read_flags+0x160/0x160
[  469.583515]  ? lapic_next_event+0x5a/0x90
[  469.587666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.593211]  ? kvm_clock_read+0x18/0x30
[  469.597220]  ? kvm_sched_clock_read+0x9/0x20
[  469.601632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.607176]  ? check_preemption_disabled+0x48/0x280
[  469.612204]  irq_exit+0x17f/0x1c0
[  469.615660]  smp_apic_timer_interrupt+0x1cb/0x760
[  469.620503]  ? smp_reschedule_interrupt+0x109/0x650
[  469.625526]  ? smp_call_function_single_interrupt+0x650/0x650
[  469.631424]  ? interrupt_entry+0xb5/0xc0
[  469.635520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.640539]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.645556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.650413]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.655443]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.660460]  ? task_prio+0x50/0x50
[  469.664004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.669545]  ? check_preemption_disabled+0x48/0x280
[  469.674569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.679435]  apic_timer_interrupt+0xf/0x20
[  469.683663]  </IRQ>
[  469.685905] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  469.690836] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  469.709741] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  469.717814] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  469.725080] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  469.732376] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  469.739653] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  469.746921] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  469.754233]  skb_clone+0x1bb/0x500
[  469.757784]  ? skb_split+0x11e0/0x11e0
[  469.761679]  ? preempt_notifier_register+0x200/0x200
[  469.766784]  ? __switch_to_asm+0x34/0x70
[  469.770843]  ? __switch_to_asm+0x34/0x70
[  469.774906]  ? __switch_to_asm+0x40/0x70
[  469.778966]  ? __switch_to_asm+0x34/0x70
[  469.783043]  ? __switch_to_asm+0x40/0x70
[  469.787133]  ? __switch_to_asm+0x40/0x70
[  469.791194]  ? __switch_to_asm+0x34/0x70
[  469.795254]  ? __switch_to_asm+0x34/0x70
[  469.799317]  ? __switch_to_asm+0x40/0x70
[  469.803379]  ? __switch_to_asm+0x34/0x70
[  469.807474]  bpf_clone_redirect+0xb9/0x490
[  469.811721]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  469.816743]  ? __sched_text_start+0x8/0x8
[  469.820909]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  469.825678]  ? find_held_lock+0x36/0x1c0
[  469.829750]  ? lock_acquire+0x1ed/0x520
[  469.833726]  ? bpf_test_run+0x3ee/0x7a0
[  469.837716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.843259]  ? check_preemption_disabled+0x48/0x280
[  469.848283]  ? kasan_check_read+0x11/0x20
[  469.852439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.857718]  ? rcu_softirq_qs+0x20/0x20
[  469.861696]  ? preempt_schedule+0x4d/0x60
[  469.865850]  ? ___preempt_schedule+0x16/0x18
[  469.870266]  ? bpf_test_run+0x271/0x7a0
[  469.874270]  ? netlink_diag_dump+0x2a0/0x2a0
[  469.878686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.884223]  ? bpf_test_init.isra.10+0x70/0x100
[  469.888911]  ? bpf_prog_test_run_skb+0x762/0xd60
[  469.893676]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  469.898527]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  469.904062]  ? fput+0x130/0x1a0
[  469.907378]  ? __bpf_prog_get+0x9b/0x290
[  469.911455]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  469.916313]  ? bpf_prog_test_run+0x130/0x1a0
[  469.920725]  ? __x64_sys_bpf+0x3d8/0x520
[  469.924791]  ? bpf_prog_get+0x20/0x20
[  469.928618]  ? do_syscall_64+0x1b9/0x820
[  469.932682]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  469.938049]  ? syscall_return_slowpath+0x5e0/0x5e0
[  469.942979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.947828]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.952848]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  469.957884]  ? prepare_exit_to_usermode+0x291/0x3b0
[  469.962941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.967809]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  469.973193] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  469.973559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  469.980126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  469.980132] Call Trace:
[  469.980151]  dump_stack+0x244/0x39d
[  469.980170]  ? dump_stack_print_info.cold.1+0x20/0x20
[  469.986699] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  469.995996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.998554] syz-executor2 cpuset=syz2 mems_allowed=0
[  470.002180]  warn_alloc.cold.116+0xb7/0x1bd
[  470.032746]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  470.037610]  ? lock_downgrade+0x900/0x900
[  470.041770]  ? trace_hardirqs_off+0xb8/0x310
[  470.046186]  ? trace_hardirqs_off+0xb8/0x310
[  470.050635]  __alloc_pages_slowpath+0x2651/0x2de0
[  470.055509]  ? warn_alloc+0x120/0x120
[  470.059329]  ? warn_alloc+0x120/0x120
[  470.063136]  ? warn_alloc+0x120/0x120
[  470.066967]  ? trace_hardirqs_off+0xb8/0x310
[  470.071412]  ? print_usage_bug+0xc0/0xc0
[  470.075480]  ? print_usage_bug+0xc0/0xc0
[  470.079553]  ? __lock_acquire+0x62f/0x4c20
[  470.083793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.089339]  ? should_fail+0x22d/0xd01
[  470.093231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.098334]  ? __lock_acquire+0x62f/0x4c20
[  470.102579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.107683]  ? __lock_acquire+0x62f/0x4c20
[  470.111918]  ? should_fail+0x22d/0xd01
[  470.115829]  ? mark_held_locks+0x130/0x130
[  470.120077]  ? mark_held_locks+0x130/0x130
[  470.124327]  ? zap_class+0x640/0x640
[  470.128041]  ? ret_from_fork+0x3a/0x50
[  470.131936]  ? __lock_acquire+0x62f/0x4c20
[  470.136181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.141721]  ? check_preemption_disabled+0x48/0x280
[  470.146749]  ? __lock_is_held+0xb5/0x140
[  470.150818]  __alloc_pages_nodemask+0xad8/0xea0
[  470.155491]  ? zap_class+0x640/0x640
[  470.159210]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  470.164238]  ? find_held_lock+0x36/0x1c0
[  470.168312]  ? ____cache_alloc_node+0x1c7/0x1e0
[  470.172985]  ? lock_downgrade+0x900/0x900
[  470.177146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.182695]  cache_grow_begin+0xa5/0x8c0
[  470.186766]  ? do_raw_spin_unlock+0xa7/0x330
[  470.191186]  fallback_alloc+0x204/0x2e0
[  470.195667]  ____cache_alloc_node+0x1c7/0x1e0
[  470.200170]  kmem_cache_alloc_node+0xe3/0x730
[  470.204672]  ? mark_held_locks+0xc7/0x130
[  470.208830]  __alloc_skb+0x119/0x770
[  470.212550]  ? netdev_alloc_frag+0x1f0/0x1f0
[  470.216960]  ? do_raw_spin_trylock+0x270/0x270
[  470.221544]  ? kmem_cache_alloc_trace+0x353/0x750
[  470.226406]  ? queue_work_on+0x12c/0x1e0
[  470.230478]  ? switchdev_port_obj_del+0xdc/0x440
[  470.235242]  ? switchdev_trans_item_enqueue+0x260/0x260
[  470.240614]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  470.245638]  __br_mdb_notify+0x4ff/0x15d0
[  470.249791]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  470.254906]  ? __br_mdb_add+0x7f0/0x7f0
[  470.258893]  ? mark_held_locks+0x130/0x130
[  470.263144]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  470.268253]  ? debug_object_assert_init+0x368/0x4b0
[  470.273279]  ? debug_object_init_on_stack+0x20/0x20
[  470.278305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.283852]  br_mdb_notify+0x310/0x410
[  470.287743]  ? br_mdb_dump+0x27b0/0x27b0
[  470.291825]  br_multicast_del_pg+0x3df/0x790
[  470.296244]  ? br_mdb_ip_get+0x940/0x940
[  470.300309]  ? rwlock_bug.part.2+0x90/0x90
[  470.304549]  ? __lock_is_held+0xb5/0x140
[  470.308625]  br_multicast_port_group_expired+0x189/0x1e0
[  470.314080]  call_timer_fn+0x272/0x920
[  470.317969]  ? br_multicast_del_pg+0x790/0x790
[  470.322553]  ? process_timeout+0x40/0x40
[  470.326626]  ? __run_timers+0x7da/0xc70
[  470.330605]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.335098]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.339596]  ? br_multicast_del_pg+0x790/0x790
[  470.344211]  ? lockdep_hardirqs_on+0x296/0x5b0
[  470.348795]  ? trace_hardirqs_on+0xbd/0x310
[  470.353119]  ? kasan_check_read+0x11/0x20
[  470.357267]  ? __run_timers+0x7da/0xc70
[  470.361244]  ? trace_hardirqs_off_caller+0x310/0x310
[  470.366355]  ? br_multicast_del_pg+0x790/0x790
[  470.370949]  ? br_multicast_del_pg+0x790/0x790
[  470.375535]  __run_timers+0x7e5/0xc70
[  470.379350]  ? timer_fixup_init+0x70/0x70
[  470.383498]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.387992]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.392488]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  470.397073]  ? trace_hardirqs_on+0xbd/0x310
[  470.401411]  ? kasan_check_read+0x11/0x20
[  470.405580]  ? finish_task_switch+0x1f4/0x910
[  470.410079]  ? trace_hardirqs_off_caller+0x310/0x310
[  470.415184]  ? compat_start_thread+0x80/0x80
[  470.419615]  ? pvclock_read_flags+0x160/0x160
[  470.424114]  ? __switch_to_asm+0x34/0x70
[  470.428183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.433723]  ? check_preemption_disabled+0x48/0x280
[  470.438753]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  470.444299]  ? rcu_pm_notify+0xc0/0xc0
[  470.448189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.453731]  ? check_preemption_disabled+0x48/0x280
[  470.458758]  run_timer_softirq+0x52/0xb0
[  470.462824]  ? rcu_read_lock_sched_held+0x14f/0x180
[  470.467843]  __do_softirq+0x308/0xb7e
[  470.471658]  ? retint_kernel+0x2d/0x2d
[  470.475557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  470.480664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  470.486121]  ? retint_kernel+0x2d/0x2d
[  470.490026]  ? schedule+0x108/0x460
[  470.493667]  ? trace_hardirqs_off+0xb8/0x310
[  470.498079]  ? smpboot_thread_fn+0x68b/0xa00
[  470.502491]  ? trace_hardirqs_on+0x310/0x310
[  470.506901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.512449]  ? check_preemption_disabled+0x48/0x280
[  470.517470]  ? takeover_tasklets+0xa90/0xa90
[  470.521884]  run_ksoftirqd+0x5e/0x100
[  470.525686]  smpboot_thread_fn+0x68b/0xa00
[  470.529935]  ? sort_range+0x30/0x30
[  470.533564]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  470.538669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.544209]  ? __kthread_parkme+0xfb/0x1a0
[  470.548450]  ? sort_range+0x30/0x30
[  470.552080]  kthread+0x35a/0x440
[  470.555450]  ? kthread_stop+0x900/0x900
[  470.559483]  ret_from_fork+0x3a/0x50
[  470.563209] Mem-Info:
[  470.563222] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  470.563234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  470.565650] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  470.565650]  active_file:133 inactive_file:117 isolated_file:0
[  470.565650]  unevictable:0 dirty:3 writeback:0 unstable:0
[  470.565650]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  470.565650]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  470.565650]  free:13727 free_pcp:164 free_cma:0
[  470.572981] Call Trace:
[  470.582369] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  470.615570]  <IRQ>
[  470.618142] 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
[  470.645911]  dump_stack+0x244/0x39d
[  470.648042] lowmem_reserve[]: 0 2818 6321 6321
[  470.674162]  ? dump_stack_print_info.cold.1+0x20/0x20
[  470.677759] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  470.682335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.687501] lowmem_reserve[]: 0 0 3503 3503
[  470.715098]  warn_alloc.cold.116+0xb7/0x1bd
[  470.720607] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  470.724927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  470.729225] lowmem_reserve[]: 0 0 0 0
[  470.758474]  ? lock_downgrade+0x900/0x900
[  470.763299] 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
[  470.767104]  ? trace_hardirqs_off+0xb8/0x310
[  470.771225] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  470.784755]  ? trace_hardirqs_off+0xb8/0x310
[  470.789140] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  470.804497]  __alloc_pages_slowpath+0x2651/0x2de0
[  470.808885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  470.822441]  ? warn_alloc+0x120/0x120
[  470.827245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  470.836075]  ? print_usage_bug+0xc0/0xc0
[  470.839849] 2220 total pagecache pages
[  470.848444]  ? warn_alloc+0x120/0x120
[  470.852477] 0 pages in swap cache
[  470.856352]  ? warn_alloc+0x120/0x120
[  470.860132] Swap cache stats: add 0, delete 0, find 0/0
[  470.863578]  ? print_usage_bug+0xc0/0xc0
[  470.867352] Free swap  = 0kB
[  470.872722]  ? print_usage_bug+0xc0/0xc0
[  470.876764] Total swap = 0kB
[  470.879778]  ? __lock_acquire+0x62f/0x4c20
[  470.883811] 1965979 pages RAM
[  470.886830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.891031] 0 pages HighMem/MovableOnly
[  470.891040] 342854 pages reserved
[  470.894143]  ? should_fail+0x22d/0xd01
[  470.899657] 0 pages cma reserved
[  470.903626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.907207] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  470.910943]  ? __lock_acquire+0x62f/0x4c20
[  470.914283] ksoftirqd/1 cpuset=/ mems_allowed=0
[  470.919385]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  470.943651]  ? __lock_acquire+0x62f/0x4c20
[  470.947889]  ? should_fail+0x22d/0xd01
[  470.951784]  ? find_held_lock+0x36/0x1c0
[  470.955855]  ? mark_held_locks+0x130/0x130
[  470.960096]  ? mark_held_locks+0x130/0x130
[  470.964335]  ? zap_class+0x640/0x640
[  470.968068]  ? zap_class+0x640/0x640
[  470.971791]  ? print_usage_bug+0xc0/0xc0
[  470.975852]  ? do_raw_spin_unlock+0xa7/0x330
[  470.980263]  ? zap_class+0x640/0x640
[  470.983979]  ? print_usage_bug+0xc0/0xc0
[  470.988038]  ? wq_watchdog_touch+0x9c/0xfe
[  470.992279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.997820]  ? check_preemption_disabled+0x48/0x280
[  471.002849]  ? __lock_is_held+0xb5/0x140
[  471.006919]  __alloc_pages_nodemask+0xad8/0xea0
[  471.011591]  ? zap_class+0x640/0x640
[  471.015312]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  471.020357]  ? find_held_lock+0x36/0x1c0
[  471.024447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  471.029120]  ? lock_downgrade+0x900/0x900
[  471.033290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.038841]  cache_grow_begin+0xa5/0x8c0
[  471.042905]  ? do_raw_spin_unlock+0xa7/0x330
[  471.047324]  fallback_alloc+0x204/0x2e0
[  471.051311]  ____cache_alloc_node+0x1c7/0x1e0
[  471.055813]  kmem_cache_alloc_node+0xe3/0x730
[  471.060832]  ? ipv6_get_ifaddr+0x42e/0x620
[  471.065084]  __alloc_skb+0x119/0x770
[  471.068796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.074080]  ? netdev_alloc_frag+0x1f0/0x1f0
[  471.078495]  ? lock_downgrade+0x900/0x900
[  471.082656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.088198]  ? refcount_sub_and_test_checked+0x203/0x310
[  471.093656]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  471.099109]  ? addrconf_rs_timer+0x690/0x690
[  471.103534]  ndisc_alloc_skb+0x144/0x340
[  471.107603]  ndisc_send_rs+0x331/0x6e0
[  471.111513]  addrconf_rs_timer+0x314/0x690
[  471.115758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.120008]  call_timer_fn+0x272/0x920
[  471.123896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.128146]  ? process_timeout+0x40/0x40
[  471.132230]  ? __run_timers+0x7da/0xc70
[  471.136206]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.140702]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.145198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.149448]  ? lockdep_hardirqs_on+0x296/0x5b0
[  471.154035]  ? trace_hardirqs_on+0xbd/0x310
[  471.158364]  ? kasan_check_read+0x11/0x20
[  471.162523]  ? __run_timers+0x7da/0xc70
[  471.166502]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.171612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.175853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  471.180090]  __run_timers+0x7e5/0xc70
[  471.183906]  ? timer_fixup_init+0x70/0x70
[  471.188071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  471.193117]  ? zap_class+0x640/0x640
[  471.196844]  ? enqueue_hrtimer+0x1a5/0x560
[  471.201088]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  471.206292]  ? find_held_lock+0x36/0x1c0
[  471.210362]  ? zap_class+0x640/0x640
[  471.214087]  ? pvclock_read_flags+0x160/0x160
[  471.218591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.224133]  ? check_preemption_disabled+0x48/0x280
[  471.229165]  ? __lock_is_held+0xb5/0x140
[  471.233234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.238774]  ? check_preemption_disabled+0x48/0x280
[  471.243803]  run_timer_softirq+0x52/0xb0
[  471.247868]  ? rcu_read_lock_sched_held+0x14f/0x180
[  471.252890]  __do_softirq+0x308/0xb7e
[  471.256697]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  471.261192]  ? lock_downgrade+0x900/0x900
[  471.265362]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  471.270480]  ? pvclock_read_flags+0x160/0x160
[  471.274984]  ? lapic_next_event+0x5a/0x90
[  471.279137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.284689]  ? kvm_clock_read+0x18/0x30
[  471.288683]  ? kvm_sched_clock_read+0x9/0x20
[  471.293099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.298643]  ? check_preemption_disabled+0x48/0x280
[  471.303692]  irq_exit+0x17f/0x1c0
[  471.307154]  smp_apic_timer_interrupt+0x1cb/0x760
[  471.312001]  ? smp_reschedule_interrupt+0x109/0x650
[  471.317022]  ? smp_call_function_single_interrupt+0x650/0x650
[  471.322922]  ? interrupt_entry+0xb5/0xc0
[  471.326990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.332011]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.337034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.341883]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.346902]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.351921]  ? task_prio+0x50/0x50
[  471.355469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.361014]  ? check_preemption_disabled+0x48/0x280
[  471.366042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.370898]  apic_timer_interrupt+0xf/0x20
[  471.375129]  </IRQ>
[  471.377373] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  471.382314] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  471.401227] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  471.408946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  471.416218] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  471.423492] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  471.430766] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  471.438036] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  471.445351]  skb_clone+0x1bb/0x500
[  471.448900]  ? skb_split+0x11e0/0x11e0
[  471.452794]  ? preempt_notifier_register+0x200/0x200
[  471.457927]  ? __switch_to_asm+0x34/0x70
[  471.461994]  ? __switch_to_asm+0x34/0x70
[  471.466056]  ? __switch_to_asm+0x40/0x70
[  471.470121]  ? __switch_to_asm+0x34/0x70
[  471.474183]  ? __switch_to_asm+0x40/0x70
[  471.478244]  ? __switch_to_asm+0x40/0x70
[  471.482309]  ? __switch_to_asm+0x34/0x70
[  471.486370]  ? __switch_to_asm+0x34/0x70
[  471.490444]  ? __switch_to_asm+0x40/0x70
[  471.494526]  ? __switch_to_asm+0x34/0x70
[  471.498624]  bpf_clone_redirect+0xb9/0x490
[  471.502872]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  471.507911]  ? __sched_text_start+0x8/0x8
[  471.512071]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  471.516853]  ? find_held_lock+0x36/0x1c0
[  471.520932]  ? lock_acquire+0x1ed/0x520
[  471.524914]  ? bpf_test_run+0x3ee/0x7a0
[  471.528893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.534441]  ? check_preemption_disabled+0x48/0x280
[  471.539472]  ? kasan_check_read+0x11/0x20
[  471.543622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.548907]  ? rcu_softirq_qs+0x20/0x20
[  471.552892]  ? preempt_schedule+0x4d/0x60
[  471.557049]  ? ___preempt_schedule+0x16/0x18
[  471.561473]  ? bpf_test_run+0x271/0x7a0
[  471.565469]  ? netlink_diag_dump+0x2a0/0x2a0
[  471.569886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.575437]  ? bpf_test_init.isra.10+0x70/0x100
[  471.580121]  ? bpf_prog_test_run_skb+0x762/0xd60
[  471.584894]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  471.589752]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  471.595293]  ? fput+0x130/0x1a0
[  471.598581]  ? __bpf_prog_get+0x9b/0x290
[  471.602649]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  471.607501]  ? bpf_prog_test_run+0x130/0x1a0
[  471.611915]  ? __x64_sys_bpf+0x3d8/0x520
[  471.615980]  ? bpf_prog_get+0x20/0x20
[  471.619803]  ? do_syscall_64+0x1b9/0x820
[  471.623865]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  471.629238]  ? syscall_return_slowpath+0x5e0/0x5e0
[  471.634172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.639024]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.644043]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  471.649065]  ? prepare_exit_to_usermode+0x291/0x3b0
[  471.654092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.658945]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  471.664330] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  471.664408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  471.671260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  471.671265] Call Trace:
[  471.671285]  dump_stack+0x244/0x39d
[  471.671303]  ? dump_stack_print_info.cold.1+0x20/0x20
[  471.671323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.677866] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  471.687150]  warn_alloc.cold.116+0xb7/0x1bd
[  471.689710] syz-executor2 cpuset=syz2 mems_allowed=0
[  471.693340]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  471.728746]  ? lock_downgrade+0x900/0x900
[  471.732904]  ? trace_hardirqs_off+0xb8/0x310
[  471.737330]  ? trace_hardirqs_off+0xb8/0x310
[  471.741754]  __alloc_pages_slowpath+0x2651/0x2de0
[  471.746630]  ? warn_alloc+0x120/0x120
[  471.750441]  ? warn_alloc+0x120/0x120
[  471.754249]  ? warn_alloc+0x120/0x120
[  471.758055]  ? trace_hardirqs_off+0xb8/0x310
[  471.762468]  ? print_usage_bug+0xc0/0xc0
[  471.766534]  ? print_usage_bug+0xc0/0xc0
[  471.770606]  ? __lock_acquire+0x62f/0x4c20
[  471.774849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.780387]  ? should_fail+0x22d/0xd01
[  471.784294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  471.789415]  ? __lock_acquire+0x62f/0x4c20
[  471.793664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  471.798767]  ? __lock_acquire+0x62f/0x4c20
[  471.803002]  ? should_fail+0x22d/0xd01
[  471.806903]  ? mark_held_locks+0x130/0x130
[  471.811149]  ? mark_held_locks+0x130/0x130
[  471.815396]  ? zap_class+0x640/0x640
[  471.819120]  ? ret_from_fork+0x3a/0x50
[  471.823012]  ? __lock_acquire+0x62f/0x4c20
[  471.827252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.832794]  ? check_preemption_disabled+0x48/0x280
[  471.837825]  ? __lock_is_held+0xb5/0x140
[  471.841919]  __alloc_pages_nodemask+0xad8/0xea0
[  471.846597]  ? zap_class+0x640/0x640
[  471.850319]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  471.855351]  ? find_held_lock+0x36/0x1c0
[  471.859433]  ? ____cache_alloc_node+0x1c7/0x1e0
[  471.864106]  ? lock_downgrade+0x900/0x900
[  471.868267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.873813]  cache_grow_begin+0xa5/0x8c0
[  471.877878]  ? do_raw_spin_unlock+0xa7/0x330
[  471.882300]  fallback_alloc+0x204/0x2e0
[  471.886285]  ____cache_alloc_node+0x1c7/0x1e0
[  471.890787]  kmem_cache_alloc_node+0xe3/0x730
[  471.895287]  ? mark_held_locks+0xc7/0x130
[  471.899451]  __alloc_skb+0x119/0x770
[  471.903177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  471.907588]  ? do_raw_spin_trylock+0x270/0x270
[  471.912175]  ? kmem_cache_alloc_trace+0x353/0x750
[  471.917026]  ? queue_work_on+0x12c/0x1e0
[  471.921097]  ? switchdev_port_obj_del+0xdc/0x440
[  471.925860]  ? switchdev_trans_item_enqueue+0x260/0x260
[  471.931233]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  471.936261]  __br_mdb_notify+0x4ff/0x15d0
[  471.940421]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  471.945538]  ? __br_mdb_add+0x7f0/0x7f0
[  471.949518]  ? mark_held_locks+0x130/0x130
[  471.953760]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  471.958869]  ? debug_object_assert_init+0x368/0x4b0
[  471.963893]  ? debug_object_init_on_stack+0x20/0x20
[  471.968918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.974471]  br_mdb_notify+0x310/0x410
[  471.978365]  ? br_mdb_dump+0x27b0/0x27b0
[  471.982452]  br_multicast_del_pg+0x3df/0x790
[  471.986873]  ? br_mdb_ip_get+0x940/0x940
[  471.990946]  ? rwlock_bug.part.2+0x90/0x90
[  471.995186]  ? __lock_is_held+0xb5/0x140
[  471.999261]  br_multicast_port_group_expired+0x189/0x1e0
[  472.004715]  call_timer_fn+0x272/0x920
[  472.008609]  ? br_multicast_del_pg+0x790/0x790
[  472.013194]  ? process_timeout+0x40/0x40
[  472.017268]  ? __run_timers+0x7da/0xc70
[  472.021248]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.025748]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.030248]  ? br_multicast_del_pg+0x790/0x790
[  472.034834]  ? lockdep_hardirqs_on+0x296/0x5b0
[  472.039434]  ? trace_hardirqs_on+0xbd/0x310
[  472.043765]  ? kasan_check_read+0x11/0x20
[  472.047917]  ? __run_timers+0x7da/0xc70
[  472.051905]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.057023]  ? br_multicast_del_pg+0x790/0x790
[  472.061617]  ? br_multicast_del_pg+0x790/0x790
[  472.066199]  __run_timers+0x7e5/0xc70
[  472.070012]  ? timer_fixup_init+0x70/0x70
[  472.074162]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.078657]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.083164]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  472.087753]  ? trace_hardirqs_on+0xbd/0x310
[  472.092082]  ? kasan_check_read+0x11/0x20
[  472.096234]  ? finish_task_switch+0x1f4/0x910
[  472.100736]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.105845]  ? compat_start_thread+0x80/0x80
[  472.110278]  ? pvclock_read_flags+0x160/0x160
[  472.114774]  ? __switch_to_asm+0x34/0x70
[  472.118838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.124382]  ? check_preemption_disabled+0x48/0x280
[  472.129428]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  472.134986]  ? rcu_pm_notify+0xc0/0xc0
[  472.138885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.144447]  ? check_preemption_disabled+0x48/0x280
[  472.149476]  run_timer_softirq+0x52/0xb0
[  472.153544]  ? rcu_read_lock_sched_held+0x14f/0x180
[  472.158568]  __do_softirq+0x308/0xb7e
[  472.162375]  ? retint_kernel+0x2d/0x2d
[  472.166276]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  472.171382]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  472.176842]  ? retint_kernel+0x2d/0x2d
[  472.180736]  ? schedule+0x108/0x460
[  472.184377]  ? trace_hardirqs_off+0xb8/0x310
[  472.188799]  ? smpboot_thread_fn+0x68b/0xa00
[  472.193741]  ? trace_hardirqs_on+0x310/0x310
[  472.198152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.203694]  ? check_preemption_disabled+0x48/0x280
[  472.208713]  ? takeover_tasklets+0xa90/0xa90
[  472.213130]  run_ksoftirqd+0x5e/0x100
[  472.216939]  smpboot_thread_fn+0x68b/0xa00
[  472.221183]  ? sort_range+0x30/0x30
[  472.224813]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  472.229919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.235469]  ? __kthread_parkme+0xfb/0x1a0
[  472.239710]  ? sort_range+0x30/0x30
[  472.243340]  kthread+0x35a/0x440
[  472.246712]  ? kthread_stop+0x900/0x900
[  472.250691]  ret_from_fork+0x3a/0x50
[  472.254432] warn_alloc_show_mem: 1 callbacks suppressed
[  472.254445] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  472.254447] Mem-Info:
[  472.254478] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  472.254478]  active_file:133 inactive_file:117 isolated_file:0
[  472.254478]  unevictable:0 dirty:3 writeback:0 unstable:0
[  472.254478]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  472.254478]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  472.254478]  free:13727 free_pcp:164 free_cma:0
[  472.259812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  472.259821] Call Trace:
[  472.267195] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  472.269609]  <IRQ>
[  472.302833] 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
[  472.312204]  dump_stack+0x244/0x39d
[  472.314766] lowmem_reserve[]: 0 2818 6321 6321
[  472.342562]  ? dump_stack_print_info.cold.1+0x20/0x20
[  472.344690] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  472.370811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.374416] lowmem_reserve[]: 0 0 3503 3503
[  472.379012]  warn_alloc.cold.116+0xb7/0x1bd
[  472.384198] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  472.411795]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  472.417306] lowmem_reserve[]: 0 0 0 0
[  472.421627]  ? lock_downgrade+0x900/0x900
[  472.425927] 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
[  472.455161]  ? trace_hardirqs_off+0xb8/0x310
[  472.459977] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  472.463778]  ? trace_hardirqs_off+0xb8/0x310
[  472.467899] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  472.481439]  __alloc_pages_slowpath+0x2651/0x2de0
[  472.485820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  472.501181]  ? warn_alloc+0x120/0x120
[  472.505550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  472.519060]  ? warn_alloc+0x120/0x120
[  472.523880] 2220 total pagecache pages
[  472.532706]  ? warn_alloc+0x120/0x120
[  472.536494] 0 pages in swap cache
[  472.545078]  ? print_usage_bug+0xc0/0xc0
[  472.548857] Swap cache stats: add 0, delete 0, find 0/0
[  472.552733]  ? mark_held_locks+0x130/0x130
[  472.556512] Free swap  = 0kB
[  472.559961]  ? print_usage_bug+0xc0/0xc0
[  472.563996] Total swap = 0kB
[  472.569376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.573598] 1965979 pages RAM
[  472.576610]  ? should_fail+0x22d/0xd01
[  472.580647] 0 pages HighMem/MovableOnly
[  472.583661]  ? zap_class+0x640/0x640
[  472.589175] 342854 pages reserved
[  472.589183] 0 pages cma reserved
[  472.592301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.596320] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  472.600147]  ? __lock_acquire+0x62f/0x4c20
[  472.603842] ksoftirqd/1 cpuset=/ mems_allowed=0
[  472.607287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.639965]  ? should_fail+0x22d/0xd01
[  472.643852]  ? mark_held_locks+0x130/0x130
[  472.648102]  ? mark_held_locks+0x130/0x130
[  472.652360]  ? mark_held_locks+0x130/0x130
[  472.656599]  ? print_usage_bug+0xc0/0xc0
[  472.660669]  ? find_held_lock+0x36/0x1c0
[  472.664734]  ? zap_class+0x640/0x640
[  472.668458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.674002]  ? check_preemption_disabled+0x48/0x280
[  472.679027]  ? __lock_is_held+0xb5/0x140
[  472.683097]  __alloc_pages_nodemask+0xad8/0xea0
[  472.687768]  ? zap_class+0x640/0x640
[  472.691492]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  472.696520]  ? find_held_lock+0x36/0x1c0
[  472.700597]  ? ____cache_alloc_node+0x1c7/0x1e0
[  472.705271]  ? lock_downgrade+0x900/0x900
[  472.709437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.714982]  cache_grow_begin+0xa5/0x8c0
[  472.719042]  ? do_raw_spin_unlock+0xa7/0x330
[  472.723463]  fallback_alloc+0x204/0x2e0
[  472.727466]  ____cache_alloc_node+0x1c7/0x1e0
[  472.731981]  kmem_cache_alloc_node+0xe3/0x730
[  472.736477]  ? mark_held_locks+0xc7/0x130
[  472.740637]  __alloc_skb+0x119/0x770
[  472.744360]  ? netdev_alloc_frag+0x1f0/0x1f0
[  472.748787]  ? do_raw_spin_trylock+0x270/0x270
[  472.753375]  ? kmem_cache_alloc_trace+0x353/0x750
[  472.758234]  ? queue_work_on+0x12c/0x1e0
[  472.762305]  ? switchdev_port_obj_del+0xdc/0x440
[  472.767064]  ? switchdev_trans_item_enqueue+0x260/0x260
[  472.772443]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  472.777469]  __br_mdb_notify+0x4ff/0x15d0
[  472.781616]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  472.786735]  ? __br_mdb_add+0x7f0/0x7f0
[  472.790713]  ? mark_held_locks+0x130/0x130
[  472.794953]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  472.800065]  ? debug_object_assert_init+0x368/0x4b0
[  472.805083]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.810192]  ? debug_object_init_on_stack+0x20/0x20
[  472.815207]  ? zap_class+0x640/0x640
[  472.818921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.824467]  br_mdb_notify+0x310/0x410
[  472.828355]  ? br_mdb_dump+0x27b0/0x27b0
[  472.832446]  br_multicast_del_pg+0x3df/0x790
[  472.836866]  ? br_mdb_ip_get+0x940/0x940
[  472.840930]  ? rwlock_bug.part.2+0x90/0x90
[  472.845187]  ? __lock_is_held+0xb5/0x140
[  472.849261]  br_multicast_port_group_expired+0x189/0x1e0
[  472.854715]  call_timer_fn+0x272/0x920
[  472.858604]  ? br_multicast_del_pg+0x790/0x790
[  472.863186]  ? process_timeout+0x40/0x40
[  472.867259]  ? __run_timers+0x7da/0xc70
[  472.871235]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.875730]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.880230]  ? br_multicast_del_pg+0x790/0x790
[  472.884814]  ? lockdep_hardirqs_on+0x296/0x5b0
[  472.889410]  ? trace_hardirqs_on+0xbd/0x310
[  472.893742]  ? kasan_check_read+0x11/0x20
[  472.897891]  ? __run_timers+0x7da/0xc70
[  472.901869]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.906981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.911224]  ? br_multicast_del_pg+0x790/0x790
[  472.915808]  __run_timers+0x7e5/0xc70
[  472.919619]  ? timer_fixup_init+0x70/0x70
[  472.923772]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  472.928790]  ? zap_class+0x640/0x640
[  472.932509]  ? enqueue_hrtimer+0x1a5/0x560
[  472.936749]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  472.941950]  ? find_held_lock+0x36/0x1c0
[  472.946018]  ? zap_class+0x640/0x640
[  472.949740]  ? pvclock_read_flags+0x160/0x160
[  472.954241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.959781]  ? check_preemption_disabled+0x48/0x280
[  472.964807]  ? __lock_is_held+0xb5/0x140
[  472.968868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.974416]  ? check_preemption_disabled+0x48/0x280
[  472.979451]  run_timer_softirq+0x52/0xb0
[  472.983517]  ? rcu_read_lock_sched_held+0x14f/0x180
[  472.988538]  __do_softirq+0x308/0xb7e
[  472.992344]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  472.996871]  ? lock_downgrade+0x900/0x900
[  473.001037]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  473.006149]  ? pvclock_read_flags+0x160/0x160
[  473.010647]  ? lapic_next_event+0x5a/0x90
[  473.014798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.020342]  ? kvm_clock_read+0x18/0x30
[  473.024317]  ? kvm_sched_clock_read+0x9/0x20
[  473.028728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.034266]  ? check_preemption_disabled+0x48/0x280
[  473.039295]  irq_exit+0x17f/0x1c0
[  473.042754]  smp_apic_timer_interrupt+0x1cb/0x760
[  473.047601]  ? smp_reschedule_interrupt+0x109/0x650
[  473.052618]  ? smp_call_function_single_interrupt+0x650/0x650
[  473.058506]  ? interrupt_entry+0xb5/0xc0
[  473.063080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.068097]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.073118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.077967]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.082983]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.088000]  ? task_prio+0x50/0x50
[  473.091542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.097083]  ? check_preemption_disabled+0x48/0x280
[  473.102105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.106956]  apic_timer_interrupt+0xf/0x20
[  473.111187]  </IRQ>
[  473.113455] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  473.118386] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  473.137300] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  473.145010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  473.152275] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  473.159543] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  473.166896] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  473.174167] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  473.181478]  skb_clone+0x1bb/0x500
[  473.185021]  ? skb_split+0x11e0/0x11e0
[  473.188916]  ? preempt_notifier_register+0x200/0x200
[  473.194016]  ? __switch_to_asm+0x34/0x70
[  473.198092]  ? __switch_to_asm+0x34/0x70
[  473.202153]  ? __switch_to_asm+0x40/0x70
[  473.206213]  ? __switch_to_asm+0x34/0x70
[  473.210274]  ? __switch_to_asm+0x40/0x70
[  473.214338]  ? __switch_to_asm+0x40/0x70
[  473.218397]  ? __switch_to_asm+0x34/0x70
[  473.222473]  ? __switch_to_asm+0x34/0x70
[  473.226531]  ? __switch_to_asm+0x40/0x70
[  473.230589]  ? __switch_to_asm+0x34/0x70
[  473.234655]  bpf_clone_redirect+0xb9/0x490
[  473.238898]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  473.243922]  ? __sched_text_start+0x8/0x8
[  473.248074]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  473.252842]  ? find_held_lock+0x36/0x1c0
[  473.256913]  ? lock_acquire+0x1ed/0x520
[  473.260905]  ? bpf_test_run+0x3ee/0x7a0
[  473.264899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.270444]  ? check_preemption_disabled+0x48/0x280
[  473.275468]  ? kasan_check_read+0x11/0x20
[  473.279634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.284913]  ? rcu_softirq_qs+0x20/0x20
[  473.288889]  ? preempt_schedule+0x4d/0x60
[  473.293043]  ? ___preempt_schedule+0x16/0x18
[  473.297466]  ? bpf_test_run+0x271/0x7a0
[  473.301458]  ? netlink_diag_dump+0x2a0/0x2a0
[  473.305871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.311426]  ? bpf_test_init.isra.10+0x70/0x100
[  473.316105]  ? bpf_prog_test_run_skb+0x762/0xd60
[  473.320873]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  473.325727]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  473.331266]  ? fput+0x130/0x1a0
[  473.334550]  ? __bpf_prog_get+0x9b/0x290
[  473.338615]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  473.343459]  ? bpf_prog_test_run+0x130/0x1a0
[  473.347871]  ? __x64_sys_bpf+0x3d8/0x520
[  473.351936]  ? bpf_prog_get+0x20/0x20
[  473.355756]  ? do_syscall_64+0x1b9/0x820
[  473.359815]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  473.365186]  ? syscall_return_slowpath+0x5e0/0x5e0
[  473.370118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.374963]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.379979]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  473.385002]  ? prepare_exit_to_usermode+0x291/0x3b0
[  473.390026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.394874]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  473.400262] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  473.400418] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  473.407194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  473.417664] syz-executor2 cpuset=syz2 mems_allowed=0
[  473.427007] Call Trace:
[  473.434676]  dump_stack+0x244/0x39d
[  473.438312]  ? dump_stack_print_info.cold.1+0x20/0x20
[  473.443507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.449054]  warn_alloc.cold.116+0xb7/0x1bd
[  473.453378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  473.458248]  ? lock_downgrade+0x900/0x900
[  473.462413]  ? trace_hardirqs_off+0xb8/0x310
[  473.466834]  ? trace_hardirqs_off+0xb8/0x310
[  473.471251]  __alloc_pages_slowpath+0x2651/0x2de0
[  473.476124]  ? warn_alloc+0x120/0x120
[  473.479938]  ? warn_alloc+0x120/0x120
[  473.483746]  ? warn_alloc+0x120/0x120
[  473.487550]  ? trace_hardirqs_off+0xb8/0x310
[  473.491960]  ? print_usage_bug+0xc0/0xc0
[  473.496026]  ? print_usage_bug+0xc0/0xc0
[  473.500094]  ? __lock_acquire+0x62f/0x4c20
[  473.504329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.509870]  ? should_fail+0x22d/0xd01
[  473.513765]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.518870]  ? __lock_acquire+0x62f/0x4c20
[  473.523115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.528217]  ? __lock_acquire+0x62f/0x4c20
[  473.532454]  ? should_fail+0x22d/0xd01
[  473.536355]  ? mark_held_locks+0x130/0x130
[  473.540601]  ? mark_held_locks+0x130/0x130
[  473.544844]  ? zap_class+0x640/0x640
[  473.548559]  ? ret_from_fork+0x3a/0x50
[  473.552446]  ? __lock_acquire+0x62f/0x4c20
[  473.556684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.562225]  ? check_preemption_disabled+0x48/0x280
[  473.567263]  ? __lock_is_held+0xb5/0x140
[  473.571343]  __alloc_pages_nodemask+0xad8/0xea0
[  473.576016]  ? zap_class+0x640/0x640
[  473.579752]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  473.584781]  ? find_held_lock+0x36/0x1c0
[  473.588859]  ? ____cache_alloc_node+0x1c7/0x1e0
[  473.593530]  ? lock_downgrade+0x900/0x900
[  473.597686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.603229]  cache_grow_begin+0xa5/0x8c0
[  473.607291]  ? do_raw_spin_unlock+0xa7/0x330
[  473.611708]  fallback_alloc+0x204/0x2e0
[  473.615689]  ____cache_alloc_node+0x1c7/0x1e0
[  473.620217]  kmem_cache_alloc_node+0xe3/0x730
[  473.624713]  ? mark_held_locks+0xc7/0x130
[  473.628876]  __alloc_skb+0x119/0x770
[  473.632600]  ? netdev_alloc_frag+0x1f0/0x1f0
[  473.637008]  ? do_raw_spin_trylock+0x270/0x270
[  473.641591]  ? kmem_cache_alloc_trace+0x353/0x750
[  473.646443]  ? queue_work_on+0x12c/0x1e0
[  473.650513]  ? switchdev_port_obj_del+0xdc/0x440
[  473.655272]  ? switchdev_trans_item_enqueue+0x260/0x260
[  473.660645]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  473.665673]  __br_mdb_notify+0x4ff/0x15d0
[  473.669822]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  473.674945]  ? __br_mdb_add+0x7f0/0x7f0
[  473.678933]  ? mark_held_locks+0x130/0x130
[  473.683178]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  473.688286]  ? debug_object_assert_init+0x368/0x4b0
[  473.693327]  ? debug_object_init_on_stack+0x20/0x20
[  473.698349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.703893]  br_mdb_notify+0x310/0x410
[  473.707788]  ? br_mdb_dump+0x27b0/0x27b0
[  473.711895]  br_multicast_del_pg+0x3df/0x790
[  473.716324]  ? br_mdb_ip_get+0x940/0x940
[  473.720392]  ? rwlock_bug.part.2+0x90/0x90
[  473.724646]  ? __lock_is_held+0xb5/0x140
[  473.728722]  br_multicast_port_group_expired+0x189/0x1e0
[  473.734177]  call_timer_fn+0x272/0x920
[  473.738066]  ? br_multicast_del_pg+0x790/0x790
[  473.742652]  ? process_timeout+0x40/0x40
[  473.746721]  ? __run_timers+0x7da/0xc70
[  473.750702]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.755200]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.759695]  ? br_multicast_del_pg+0x790/0x790
[  473.764282]  ? lockdep_hardirqs_on+0x296/0x5b0
[  473.768868]  ? trace_hardirqs_on+0xbd/0x310
[  473.773189]  ? kasan_check_read+0x11/0x20
[  473.777335]  ? __run_timers+0x7da/0xc70
[  473.781315]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.786430]  ? br_multicast_del_pg+0x790/0x790
[  473.791024]  ? br_multicast_del_pg+0x790/0x790
[  473.795608]  __run_timers+0x7e5/0xc70
[  473.799432]  ? timer_fixup_init+0x70/0x70
[  473.803584]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.808077]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.812578]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  473.817164]  ? trace_hardirqs_on+0xbd/0x310
[  473.821491]  ? kasan_check_read+0x11/0x20
[  473.825641]  ? finish_task_switch+0x1f4/0x910
[  473.830142]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.835245]  ? compat_start_thread+0x80/0x80
[  473.839681]  ? pvclock_read_flags+0x160/0x160
[  473.844176]  ? __switch_to_asm+0x34/0x70
[  473.848242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.853784]  ? check_preemption_disabled+0x48/0x280
[  473.858811]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  473.864349]  ? rcu_pm_notify+0xc0/0xc0
[  473.868238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.873780]  ? check_preemption_disabled+0x48/0x280
[  473.878803]  run_timer_softirq+0x52/0xb0
[  473.882865]  ? rcu_read_lock_sched_held+0x14f/0x180
[  473.887884]  __do_softirq+0x308/0xb7e
[  473.891690]  ? retint_kernel+0x2d/0x2d
[  473.895586]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  473.900691]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  473.906645]  ? retint_kernel+0x2d/0x2d
[  473.910545]  ? schedule+0x108/0x460
[  473.914186]  ? trace_hardirqs_off+0xb8/0x310
[  473.918601]  ? smpboot_thread_fn+0x68b/0xa00
[  473.923018]  ? trace_hardirqs_on+0x310/0x310
[  473.927433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.932976]  ? check_preemption_disabled+0x48/0x280
[  473.937999]  ? takeover_tasklets+0xa90/0xa90
[  473.942421]  run_ksoftirqd+0x5e/0x100
[  473.946226]  smpboot_thread_fn+0x68b/0xa00
[  473.950467]  ? sort_range+0x30/0x30
[  473.954094]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  473.959198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.964742]  ? __kthread_parkme+0xfb/0x1a0
[  473.968980]  ? sort_range+0x30/0x30
[  473.972608]  kthread+0x35a/0x440
[  473.975977]  ? kthread_stop+0x900/0x900
[  473.979957]  ret_from_fork+0x3a/0x50
[  473.983686] warn_alloc_show_mem: 1 callbacks suppressed
[  473.983699] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  473.983700] Mem-Info:
[  473.983732] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  473.983732]  active_file:133 inactive_file:117 isolated_file:0
[  473.983732]  unevictable:0 dirty:3 writeback:0 unstable:0
[  473.983732]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  473.983732]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  473.983732]  free:13727 free_pcp:164 free_cma:0
[  473.989069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  473.996439] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  473.998844] Call Trace:
[  474.032454] 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
[  474.041800]  <IRQ>
[  474.069533] lowmem_reserve[]: 0 2818 6321 6321
[  474.072127]  dump_stack+0x244/0x39d
[  474.098210] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  474.100363]  ? dump_stack_print_info.cold.1+0x20/0x20
[  474.104916] lowmem_reserve[]: 0 0 3503 3503
[  474.108545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.136107] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  474.141296]  warn_alloc.cold.116+0xb7/0x1bd
[  474.145585] lowmem_reserve[]: 0 0 0 0
[  474.151154]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  474.180734] 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
[  474.185056]  ? lock_downgrade+0x900/0x900
[  474.188831] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  474.193865]  ? trace_hardirqs_off+0xb8/0x310
[  474.207369] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  474.211515]  ? trace_hardirqs_off+0xb8/0x310
[  474.226843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  474.231239]  __alloc_pages_slowpath+0x2651/0x2de0
[  474.244738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  474.249172]  ? warn_alloc+0x120/0x120
[  474.257961] 2220 total pagecache pages
[  474.262796]  ? warn_alloc+0x120/0x120
[  474.271356] 0 pages in swap cache
[  474.275148]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  474.279013] Swap cache stats: add 0, delete 0, find 0/0
[  474.282804]  ? warn_alloc+0x120/0x120
[  474.286237] Free swap  = 0kB
[  474.291245]  ? print_usage_bug+0xc0/0xc0
[  474.296587] Total swap = 0kB
[  474.300381]  ? print_usage_bug+0xc0/0xc0
[  474.303380] 1965979 pages RAM
[  474.307450]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  474.310443] 0 pages HighMem/MovableOnly
[  474.314504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.317582] 342854 pages reserved
[  474.322762]  ? should_fail+0x22d/0xd01
[  474.326713] 0 pages cma reserved
[  474.332246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.335830] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  474.339559]  ? __lock_acquire+0x62f/0x4c20
[  474.342904] ksoftirqd/1 cpuset=/ mems_allowed=0
[  474.347999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.372247]  ? should_fail+0x22d/0xd01
[  474.376148]  ? mark_held_locks+0x130/0x130
[  474.380387]  ? mark_held_locks+0x130/0x130
[  474.384636]  ? print_usage_bug+0xc0/0xc0
[  474.388707]  ? find_held_lock+0x36/0x1c0
[  474.392772]  ? zap_class+0x640/0x640
[  474.396498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.402036]  ? check_preemption_disabled+0x48/0x280
[  474.407090]  ? __lock_is_held+0xb5/0x140
[  474.411158]  __alloc_pages_nodemask+0xad8/0xea0
[  474.415828]  ? zap_class+0x640/0x640
[  474.419560]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  474.424587]  ? find_held_lock+0x36/0x1c0
[  474.428660]  ? ____cache_alloc_node+0x1c7/0x1e0
[  474.433334]  ? lock_downgrade+0x900/0x900
[  474.437489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.443035]  cache_grow_begin+0xa5/0x8c0
[  474.447099]  ? do_raw_spin_unlock+0xa7/0x330
[  474.451521]  fallback_alloc+0x204/0x2e0
[  474.455507]  ____cache_alloc_node+0x1c7/0x1e0
[  474.460013]  kmem_cache_alloc_node+0xe3/0x730
[  474.464516]  ? mark_held_locks+0xc7/0x130
[  474.468680]  __alloc_skb+0x119/0x770
[  474.472471]  ? netdev_alloc_frag+0x1f0/0x1f0
[  474.476879]  ? do_raw_spin_trylock+0x270/0x270
[  474.481468]  ? kmem_cache_alloc_trace+0x353/0x750
[  474.486316]  ? queue_work_on+0x12c/0x1e0
[  474.490386]  ? switchdev_port_obj_del+0xdc/0x440
[  474.495158]  ? switchdev_trans_item_enqueue+0x260/0x260
[  474.500529]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  474.505558]  __br_mdb_notify+0x4ff/0x15d0
[  474.509706]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  474.514821]  ? __br_mdb_add+0x7f0/0x7f0
[  474.518797]  ? mark_held_locks+0x130/0x130
[  474.523037]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  474.528146]  ? debug_object_assert_init+0x368/0x4b0
[  474.533195]  ? debug_object_init_on_stack+0x20/0x20
[  474.538211]  ? zap_class+0x640/0x640
[  474.541932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.547488]  br_mdb_notify+0x310/0x410
[  474.551381]  ? br_mdb_dump+0x27b0/0x27b0
[  474.555475]  br_multicast_del_pg+0x3df/0x790
[  474.559895]  ? br_mdb_ip_get+0x940/0x940
[  474.563972]  ? rwlock_bug.part.2+0x90/0x90
[  474.568210]  ? __lock_is_held+0xb5/0x140
[  474.572283]  br_multicast_port_group_expired+0x189/0x1e0
[  474.577738]  call_timer_fn+0x272/0x920
[  474.581628]  ? br_multicast_del_pg+0x790/0x790
[  474.586216]  ? process_timeout+0x40/0x40
[  474.590290]  ? __run_timers+0x7da/0xc70
[  474.594288]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.598786]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.603281]  ? br_multicast_del_pg+0x790/0x790
[  474.607867]  ? lockdep_hardirqs_on+0x296/0x5b0
[  474.612470]  ? trace_hardirqs_on+0xbd/0x310
[  474.616794]  ? kasan_check_read+0x11/0x20
[  474.620938]  ? __run_timers+0x7da/0xc70
[  474.624919]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.630024]  ? br_multicast_del_pg+0x790/0x790
[  474.634613]  ? br_multicast_del_pg+0x790/0x790
[  474.639193]  __run_timers+0x7e5/0xc70
[  474.643007]  ? timer_fixup_init+0x70/0x70
[  474.647159]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  474.652183]  ? zap_class+0x640/0x640
[  474.655901]  ? enqueue_hrtimer+0x1a5/0x560
[  474.660139]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  474.665353]  ? find_held_lock+0x36/0x1c0
[  474.669430]  ? zap_class+0x640/0x640
[  474.673149]  ? pvclock_read_flags+0x160/0x160
[  474.677647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.683187]  ? check_preemption_disabled+0x48/0x280
[  474.688216]  ? __lock_is_held+0xb5/0x140
[  474.692282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.697888]  ? check_preemption_disabled+0x48/0x280
[  474.702924]  run_timer_softirq+0x52/0xb0
[  474.706988]  ? rcu_read_lock_sched_held+0x14f/0x180
[  474.712005]  __do_softirq+0x308/0xb7e
[  474.715808]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  474.720331]  ? lock_downgrade+0x900/0x900
[  474.724483]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  474.729593]  ? pvclock_read_flags+0x160/0x160
[  474.734105]  ? lapic_next_event+0x5a/0x90
[  474.738259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.743806]  ? kvm_clock_read+0x18/0x30
[  474.747786]  ? kvm_sched_clock_read+0x9/0x20
[  474.752199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.757739]  ? check_preemption_disabled+0x48/0x280
[  474.762766]  irq_exit+0x17f/0x1c0
[  474.766225]  smp_apic_timer_interrupt+0x1cb/0x760
[  474.771073]  ? smp_reschedule_interrupt+0x109/0x650
[  474.776091]  ? smp_call_function_single_interrupt+0x650/0x650
[  474.781976]  ? interrupt_entry+0xb5/0xc0
[  474.786042]  ? trace_hardirqs_off_caller+0xbb/0x310
[  474.791059]  ? trace_hardirqs_off_caller+0xbb/0x310
[  474.796077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.800921]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.805940]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.810958]  ? task_prio+0x50/0x50
[  474.814516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.820055]  ? check_preemption_disabled+0x48/0x280
[  474.825078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.829927]  apic_timer_interrupt+0xf/0x20
[  474.834161]  </IRQ>
[  474.836410] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  474.841351] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  474.860249] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  474.867955] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  474.875225] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  474.882491] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  474.889756] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  474.897024] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  474.904334]  skb_clone+0x1bb/0x500
[  474.907877]  ? skb_split+0x11e0/0x11e0
[  474.911769]  ? preempt_notifier_register+0x200/0x200
[  474.916874]  ? __switch_to_asm+0x34/0x70
[  474.920938]  ? __switch_to_asm+0x34/0x70
[  474.924997]  ? __switch_to_asm+0x40/0x70
[  474.929056]  ? __switch_to_asm+0x34/0x70
[  474.933117]  ? __switch_to_asm+0x40/0x70
[  474.937178]  ? __switch_to_asm+0x40/0x70
[  474.941235]  ? __switch_to_asm+0x34/0x70
[  474.945300]  ? __switch_to_asm+0x34/0x70
[  474.949362]  ? __switch_to_asm+0x40/0x70
[  474.953437]  ? __switch_to_asm+0x34/0x70
[  474.957503]  bpf_clone_redirect+0xb9/0x490
[  474.961750]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  474.966770]  ? __sched_text_start+0x8/0x8
[  474.970920]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  474.975695]  ? find_held_lock+0x36/0x1c0
[  474.979766]  ? lock_acquire+0x1ed/0x520
[  474.983743]  ? bpf_test_run+0x3ee/0x7a0
[  474.987720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.993259]  ? check_preemption_disabled+0x48/0x280
[  474.998294]  ? kasan_check_read+0x11/0x20
[  475.002447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.007725]  ? rcu_softirq_qs+0x20/0x20
[  475.011702]  ? preempt_schedule+0x4d/0x60
[  475.015850]  ? ___preempt_schedule+0x16/0x18
[  475.020284]  ? bpf_test_run+0x271/0x7a0
[  475.024274]  ? netlink_diag_dump+0x2a0/0x2a0
[  475.028685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.034226]  ? bpf_test_init.isra.10+0x70/0x100
[  475.038902]  ? bpf_prog_test_run_skb+0x762/0xd60
[  475.043669]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  475.048519]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  475.054060]  ? fput+0x130/0x1a0
[  475.057346]  ? __bpf_prog_get+0x9b/0x290
[  475.061857]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  475.066702]  ? bpf_prog_test_run+0x130/0x1a0
[  475.071118]  ? __x64_sys_bpf+0x3d8/0x520
[  475.075182]  ? bpf_prog_get+0x20/0x20
[  475.079006]  ? do_syscall_64+0x1b9/0x820
[  475.083065]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  475.088448]  ? syscall_return_slowpath+0x5e0/0x5e0
[  475.093381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.098239]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.103256]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  475.108288]  ? prepare_exit_to_usermode+0x291/0x3b0
[  475.113310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.118161]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  475.123543] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  475.123697] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  475.130476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  475.140942] syz-executor2 cpuset=syz2 mems_allowed=0
[  475.150286] Call Trace:
[  475.157964]  dump_stack+0x244/0x39d
[  475.161614]  ? dump_stack_print_info.cold.1+0x20/0x20
[  475.166807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.172354]  warn_alloc.cold.116+0xb7/0x1bd
[  475.176679]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  475.181531]  ? lock_downgrade+0x900/0x900
[  475.185688]  ? trace_hardirqs_off+0xb8/0x310
[  475.190135]  ? trace_hardirqs_off+0xb8/0x310
[  475.195031]  __alloc_pages_slowpath+0x2651/0x2de0
[  475.199905]  ? warn_alloc+0x120/0x120
[  475.203714]  ? warn_alloc+0x120/0x120
[  475.207519]  ? warn_alloc+0x120/0x120
[  475.211323]  ? print_usage_bug+0xc0/0xc0
[  475.215386]  ? __lock_acquire+0x62f/0x4c20
[  475.219634]  ? __lock_acquire+0x62f/0x4c20
[  475.223875]  ? print_usage_bug+0xc0/0xc0
[  475.227940]  ? __lock_acquire+0x62f/0x4c20
[  475.232177]  ? __lock_is_held+0xb5/0x140
[  475.236240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.241798]  ? should_fail+0x22d/0xd01
[  475.245703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.250806]  ? __lock_acquire+0x62f/0x4c20
[  475.255050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.260152]  ? __lock_acquire+0x62f/0x4c20
[  475.264387]  ? should_fail+0x22d/0xd01
[  475.268294]  ? mark_held_locks+0x130/0x130
[  475.272534]  ? mark_held_locks+0x130/0x130
[  475.276768]  ? find_held_lock+0x36/0x1c0
[  475.280839]  ? zap_class+0x640/0x640
[  475.284557]  ? print_usage_bug+0xc0/0xc0
[  475.288621]  ? mark_held_locks+0x130/0x130
[  475.292859]  ? zap_class+0x640/0x640
[  475.296576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.302119]  ? check_preemption_disabled+0x48/0x280
[  475.307144]  ? __lock_is_held+0xb5/0x140
[  475.311211]  __alloc_pages_nodemask+0xad8/0xea0
[  475.315884]  ? zap_class+0x640/0x640
[  475.319605]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  475.324635]  ? find_held_lock+0x36/0x1c0
[  475.328706]  ? ____cache_alloc_node+0x1c7/0x1e0
[  475.333379]  ? lock_downgrade+0x900/0x900
[  475.337544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.343086]  cache_grow_begin+0xa5/0x8c0
[  475.347147]  ? do_raw_spin_unlock+0xa7/0x330
[  475.351568]  fallback_alloc+0x204/0x2e0
[  475.355550]  ____cache_alloc_node+0x1c7/0x1e0
[  475.360055]  kmem_cache_alloc_node+0xe3/0x730
[  475.364551]  ? ipv6_get_ifaddr+0x42e/0x620
[  475.368813]  __alloc_skb+0x119/0x770
[  475.372573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  475.377856]  ? netdev_alloc_frag+0x1f0/0x1f0
[  475.382284]  ? lock_downgrade+0x900/0x900
[  475.386465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.392006]  ? refcount_sub_and_test_checked+0x203/0x310
[  475.397463]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  475.402913]  ? addrconf_rs_timer+0x690/0x690
[  475.407339]  ndisc_alloc_skb+0x144/0x340
[  475.411416]  ndisc_send_rs+0x331/0x6e0
[  475.415313]  addrconf_rs_timer+0x314/0x690
[  475.419559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.423809]  call_timer_fn+0x272/0x920
[  475.427696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.431939]  ? process_timeout+0x40/0x40
[  475.436008]  ? __run_timers+0x7da/0xc70
[  475.439991]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.444488]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.448985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.453219]  ? lockdep_hardirqs_on+0x296/0x5b0
[  475.457806]  ? trace_hardirqs_on+0xbd/0x310
[  475.462126]  ? kasan_check_read+0x11/0x20
[  475.466273]  ? __run_timers+0x7da/0xc70
[  475.470248]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.475362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.479599]  __run_timers+0x7e5/0xc70
[  475.483420]  ? timer_fixup_init+0x70/0x70
[  475.487569]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.492069]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.496583]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  475.501172]  ? trace_hardirqs_on+0xbd/0x310
[  475.505492]  ? kasan_check_read+0x11/0x20
[  475.509645]  ? finish_task_switch+0x1f4/0x910
[  475.514141]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.519245]  ? compat_start_thread+0x80/0x80
[  475.523679]  ? pvclock_read_flags+0x160/0x160
[  475.528171]  ? __switch_to_asm+0x34/0x70
[  475.532234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.537772]  ? check_preemption_disabled+0x48/0x280
[  475.542801]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  475.548340]  ? rcu_pm_notify+0xc0/0xc0
[  475.552234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.557776]  ? check_preemption_disabled+0x48/0x280
[  475.562800]  run_timer_softirq+0x52/0xb0
[  475.566862]  ? rcu_read_lock_sched_held+0x14f/0x180
[  475.571880]  __do_softirq+0x308/0xb7e
[  475.575688]  ? retint_kernel+0x2d/0x2d
[  475.579603]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  475.584709]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  475.590159]  ? retint_kernel+0x2d/0x2d
[  475.594051]  ? schedule+0x108/0x460
[  475.597691]  ? trace_hardirqs_off+0xb8/0x310
[  475.602105]  ? smpboot_thread_fn+0x68b/0xa00
[  475.606514]  ? trace_hardirqs_on+0x310/0x310
[  475.610938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.616497]  ? check_preemption_disabled+0x48/0x280
[  475.621550]  ? takeover_tasklets+0xa90/0xa90
[  475.625965]  run_ksoftirqd+0x5e/0x100
[  475.629780]  smpboot_thread_fn+0x68b/0xa00
[  475.634061]  ? sort_range+0x30/0x30
[  475.637693]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  475.642795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.648334]  ? __kthread_parkme+0xfb/0x1a0
[  475.652577]  ? sort_range+0x30/0x30
[  475.656210]  kthread+0x35a/0x440
[  475.659578]  ? kthread_stop+0x900/0x900
[  475.663559]  ret_from_fork+0x3a/0x50
[  475.667288] warn_alloc_show_mem: 1 callbacks suppressed
[  475.667300] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  475.667302] Mem-Info:
[  475.667335] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  475.667335]  active_file:133 inactive_file:117 isolated_file:0
[  475.667335]  unevictable:0 dirty:3 writeback:0 unstable:0
[  475.667335]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  475.667335]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  475.667335]  free:13727 free_pcp:164 free_cma:0
[  475.672667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  475.680031] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  475.682435] Call Trace:
[  475.715908] 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
[  475.725253]  <IRQ>
[  475.752988] lowmem_reserve[]: 0 2818 6321 6321
[  475.755584]  dump_stack+0x244/0x39d
[  475.781685] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  475.783831]  ? dump_stack_print_info.cold.1+0x20/0x20
[  475.788385] lowmem_reserve[]: 0 0 3503 3503
[  475.792016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.819577] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  475.824763]  warn_alloc.cold.116+0xb7/0x1bd
[  475.829057] lowmem_reserve[]: 0 0 0 0
[  475.834587]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  475.863804] 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
[  475.868119]  ? lock_downgrade+0x900/0x900
[  475.871892] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  475.876731]  ? trace_hardirqs_off+0xb8/0x310
[  475.890224] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  475.894384]  ? trace_hardirqs_off+0xb8/0x310
[  475.909707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  475.914133]  __alloc_pages_slowpath+0x2651/0x2de0
[  475.927630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  475.932049]  ? warn_alloc+0x120/0x120
[  475.940837] 2220 total pagecache pages
[  475.945676]  ? warn_alloc+0x120/0x120
[  475.954233] 0 pages in swap cache
[  475.958020]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  475.961885] Swap cache stats: add 0, delete 0, find 0/0
[  475.965670]  ? warn_alloc+0x120/0x120
[  475.969133] Free swap  = 0kB
[  475.974140]  ? print_usage_bug+0xc0/0xc0
[  475.979482] Total swap = 0kB
[  475.983278]  ? print_usage_bug+0xc0/0xc0
[  475.986272] 1965979 pages RAM
[  475.990329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  475.993321] 0 pages HighMem/MovableOnly
[  475.997381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.000457] 342854 pages reserved
[  476.005646]  ? should_fail+0x22d/0xd01
[  476.009617] 0 pages cma reserved
[  476.015152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.018650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  476.022460]  ? __lock_acquire+0x62f/0x4c20
[  476.022479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.022495]  ? should_fail+0x22d/0xd01
[  476.025900] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  476.030943]  ? mark_held_locks+0x130/0x130
[  476.037421] ksoftirqd/1 cpuset=/ mems_allowed=0
[  476.041654]  ? mark_held_locks+0x130/0x130
[  476.074010]  ? print_usage_bug+0xc0/0xc0
[  476.078080]  ? find_held_lock+0x36/0x1c0
[  476.082175]  ? zap_class+0x640/0x640
[  476.085917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.091462]  ? check_preemption_disabled+0x48/0x280
[  476.096492]  ? __lock_is_held+0xb5/0x140
[  476.100559]  __alloc_pages_nodemask+0xad8/0xea0
[  476.105226]  ? zap_class+0x640/0x640
[  476.108951]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  476.113999]  ? find_held_lock+0x36/0x1c0
[  476.118073]  ? ____cache_alloc_node+0x1c7/0x1e0
[  476.122743]  ? lock_downgrade+0x900/0x900
[  476.126899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.132450]  cache_grow_begin+0xa5/0x8c0
[  476.136516]  ? do_raw_spin_unlock+0xa7/0x330
[  476.140933]  fallback_alloc+0x204/0x2e0
[  476.144916]  ____cache_alloc_node+0x1c7/0x1e0
[  476.149447]  kmem_cache_alloc_node+0xe3/0x730
[  476.153944]  ? mark_held_locks+0xc7/0x130
[  476.158107]  __alloc_skb+0x119/0x770
[  476.161828]  ? netdev_alloc_frag+0x1f0/0x1f0
[  476.166257]  ? do_raw_spin_trylock+0x270/0x270
[  476.170837]  ? kmem_cache_alloc_trace+0x353/0x750
[  476.175684]  ? queue_work_on+0x12c/0x1e0
[  476.179752]  ? switchdev_port_obj_del+0xdc/0x440
[  476.184519]  ? switchdev_trans_item_enqueue+0x260/0x260
[  476.189886]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  476.195013]  __br_mdb_notify+0x4ff/0x15d0
[  476.199187]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  476.204315]  ? __br_mdb_add+0x7f0/0x7f0
[  476.208327]  ? mark_held_locks+0x130/0x130
[  476.212568]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  476.217675]  ? debug_object_assert_init+0x368/0x4b0
[  476.222695]  ? debug_object_init_on_stack+0x20/0x20
[  476.227710]  ? zap_class+0x640/0x640
[  476.231441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.236990]  br_mdb_notify+0x310/0x410
[  476.240875]  ? br_mdb_dump+0x27b0/0x27b0
[  476.244962]  br_multicast_del_pg+0x3df/0x790
[  476.249393]  ? br_mdb_ip_get+0x940/0x940
[  476.253470]  ? rwlock_bug.part.2+0x90/0x90
[  476.257711]  ? __lock_is_held+0xb5/0x140
[  476.261783]  br_multicast_port_group_expired+0x189/0x1e0
[  476.267236]  call_timer_fn+0x272/0x920
[  476.271145]  ? br_multicast_del_pg+0x790/0x790
[  476.275741]  ? process_timeout+0x40/0x40
[  476.279813]  ? __run_timers+0x7da/0xc70
[  476.283787]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.288280]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.292778]  ? br_multicast_del_pg+0x790/0x790
[  476.297363]  ? lockdep_hardirqs_on+0x296/0x5b0
[  476.301947]  ? trace_hardirqs_on+0xbd/0x310
[  476.306273]  ? kasan_check_read+0x11/0x20
[  476.310453]  ? __run_timers+0x7da/0xc70
[  476.314445]  ? trace_hardirqs_off_caller+0x310/0x310
[  476.319555]  ? br_multicast_del_pg+0x790/0x790
[  476.324172]  ? br_multicast_del_pg+0x790/0x790
[  476.328757]  __run_timers+0x7e5/0xc70
[  476.332569]  ? timer_fixup_init+0x70/0x70
[  476.336719]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  476.341740]  ? zap_class+0x640/0x640
[  476.345459]  ? enqueue_hrtimer+0x1a5/0x560
[  476.349696]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  476.354895]  ? find_held_lock+0x36/0x1c0
[  476.358968]  ? zap_class+0x640/0x640
[  476.362686]  ? pvclock_read_flags+0x160/0x160
[  476.367183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.372726]  ? check_preemption_disabled+0x48/0x280
[  476.377756]  ? __lock_is_held+0xb5/0x140
[  476.381824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.387357]  ? check_preemption_disabled+0x48/0x280
[  476.392378]  run_timer_softirq+0x52/0xb0
[  476.396451]  ? rcu_read_lock_sched_held+0x14f/0x180
[  476.401468]  __do_softirq+0x308/0xb7e
[  476.405276]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  476.409773]  ? lock_downgrade+0x900/0x900
[  476.413931]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  476.419044]  ? pvclock_read_flags+0x160/0x160
[  476.423542]  ? lapic_next_event+0x5a/0x90
[  476.427696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.433237]  ? kvm_clock_read+0x18/0x30
[  476.437215]  ? kvm_sched_clock_read+0x9/0x20
[  476.441625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.447167]  ? check_preemption_disabled+0x48/0x280
[  476.452221]  irq_exit+0x17f/0x1c0
[  476.455677]  smp_apic_timer_interrupt+0x1cb/0x760
[  476.460522]  ? smp_reschedule_interrupt+0x109/0x650
[  476.465543]  ? smp_call_function_single_interrupt+0x650/0x650
[  476.471437]  ? interrupt_entry+0xb5/0xc0
[  476.475514]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.480531]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.485554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.490429]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.495470]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.500506]  ? task_prio+0x50/0x50
[  476.504050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.509591]  ? check_preemption_disabled+0x48/0x280
[  476.514613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.519464]  apic_timer_interrupt+0xf/0x20
[  476.523690]  </IRQ>
[  476.525932] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  476.530868] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 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 1a c2
[  476.549765] RSP: 0000:ffff8881c46cf6f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  476.557471] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  476.564734] RDX: 0000000000000000 RSI: ffff8881b9e2c8c0 RDI: 0000000000000282
[  476.571998] RBP: ffff8881c46cf760 R08: ffff8881b9e2c040 R09: 0000000000000000
[  476.579261] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  476.586532] R13: ffff8881d9bee600 R14: ffff8881d9bee600 R15: 0000000000480020
[  476.593840]  skb_clone+0x1bb/0x500
[  476.597409]  ? skb_split+0x11e0/0x11e0
[  476.601305]  ? preempt_notifier_register+0x200/0x200
[  476.606411]  ? __switch_to_asm+0x34/0x70
[  476.610480]  ? __switch_to_asm+0x34/0x70
[  476.614543]  ? __switch_to_asm+0x40/0x70
[  476.618600]  ? __switch_to_asm+0x34/0x70
[  476.622659]  ? __switch_to_asm+0x40/0x70
[  476.626721]  ? __switch_to_asm+0x40/0x70
[  476.630783]  ? __switch_to_asm+0x34/0x70
[  476.634841]  ? __switch_to_asm+0x34/0x70
[  476.638915]  ? __switch_to_asm+0x40/0x70
[  476.642977]  ? __switch_to_asm+0x34/0x70
[  476.647047]  bpf_clone_redirect+0xb9/0x490
[  476.651294]  bpf_prog_3aea14b1f6cd0d8b+0x3b1/0x1000
[  476.656332]  ? __sched_text_start+0x8/0x8
[  476.660484]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  476.665250]  ? find_held_lock+0x36/0x1c0
[  476.669320]  ? lock_acquire+0x1ed/0x520
[  476.673294]  ? bpf_test_run+0x3ee/0x7a0
[  476.677268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.682807]  ? check_preemption_disabled+0x48/0x280
[  476.687848]  ? kasan_check_read+0x11/0x20
[  476.692029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.697309]  ? rcu_softirq_qs+0x20/0x20
[  476.701284]  ? preempt_schedule+0x4d/0x60
[  476.705458]  ? ___preempt_schedule+0x16/0x18
[  476.709890]  ? bpf_test_run+0x271/0x7a0
[  476.713875]  ? netlink_diag_dump+0x2a0/0x2a0
[  476.718291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.723831]  ? bpf_test_init.isra.10+0x70/0x100
[  476.728507]  ? bpf_prog_test_run_skb+0x762/0xd60
[  476.733318]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  476.738186]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  476.743736]  ? fput+0x130/0x1a0
[  476.747037]  ? __bpf_prog_get+0x9b/0x290
[  476.751102]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  476.755947]  ? bpf_prog_test_run+0x130/0x1a0
[  476.760361]  ? __x64_sys_bpf+0x3d8/0x520
[  476.764439]  ? bpf_prog_get+0x20/0x20
[  476.768261]  ? do_syscall_64+0x1b9/0x820
[  476.772348]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  476.777710]  ? syscall_return_slowpath+0x5e0/0x5e0
[  476.782639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.787486]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.792518]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  476.797536]  ? prepare_exit_to_usermode+0x291/0x3b0
[  476.802564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.807430]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  476.812833] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #103
[  476.813051] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  476.819784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  476.830250] syz-executor2 cpuset=syz2 mems_allowed=0
[  476.839589] Call Trace:
[  476.847254]  dump_stack+0x244/0x39d
[  476.850886]  ? dump_stack_print_info.cold.1+0x20/0x20
[  476.856102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.861653]  warn_alloc.cold.116+0xb7/0x1bd
[  476.865993]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  476.870872]  ? lock_downgrade+0x900/0x900
[  476.875034]  ? trace_hardirqs_off+0xb8/0x310
[  476.879451]  ? trace_hardirqs_off+0xb8/0x310
[  476.883912]  __alloc_pages_slowpath+0x2651/0x2de0
[  476.888790]  ? warn_alloc+0x120/0x120
[  476.892594]  ? print_usage_bug+0xc0/0xc0
[  476.896656]  ? warn_alloc+0x120/0x120
[  476.900462]  ? warn_alloc+0x120/0x120
[  476.904264]  ? print_usage_bug+0xc0/0xc0
[  476.908330]  ? print_usage_bug+0xc0/0xc0
[  476.912419]  ? __lock_acquire+0x62f/0x4c20
[  476.916661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.922201]  ? should_fail+0x22d/0xd01
[  476.926097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.931206]  ? __lock_acquire+0x62f/0x4c20
[  476.935444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.940547]  ? __lock_acquire+0x62f/0x4c20
[  476.944783]  ? should_fail+0x22d/0xd01
[  476.948683]  ? find_held_lock+0x36/0x1c0
[  476.952754]  ? mark_held_locks+0x130/0x130
[  476.956995]  ? mark_held_locks+0x130/0x130
[  476.961233]  ? zap_class+0x640/0x640
[  476.964955]  ? zap_class+0x640/0x640
[  476.968677]  ? print_usage_bug+0xc0/0xc0
[  476.972738]  ? do_raw_spin_unlock+0xa7/0x330
[  476.977147]  ? zap_class+0x640/0x640
[  476.980864]  ? print_usage_bug+0xc0/0xc0
[  476.984957]  ? wq_watchdog_touch+0x9c/0xfe
[  476.989197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.994735]  ? check_preemption_disabled+0x48/0x280
[  476.999785]  ? __lock_is_held+0xb5/0x140
[  477.003852]  __alloc_pages_nodemask+0xad8/0xea0
[  477.008523]  ? zap_class+0x640/0x640
[  477.012260]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  477.017293]  ? find_held_lock+0x36/0x1c0
[  477.021373]  ? ____cache_alloc_node+0x1c7/0x1e0
[  477.026067]  ? lock_downgrade+0x900/0x900
[  477.030238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.035782]  cache_grow_begin+0xa5/0x8c0
[  477.039859]  ? do_raw_spin_unlock+0xa7/0x330
[  477.044278]  fallback_alloc+0x204/0x2e0
[  477.048273]  ____cache_alloc_node+0x1c7/0x1e0
[  477.052773]  kmem_cache_alloc_node+0xe3/0x730
[  477.057275]  ? ipv6_get_ifaddr+0x42e/0x620
[  477.061710]  __alloc_skb+0x119/0x770
[  477.065432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  477.070715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  477.075155]  ? lock_downgrade+0x900/0x900
[  477.079339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.084917]  ? refcount_sub_and_test_checked+0x203/0x310
[  477.090393]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  477.095867]  ? addrconf_rs_timer+0x690/0x690
[  477.100292]  ndisc_alloc_skb+0x144/0x340
[  477.104360]  ndisc_send_rs+0x331/0x6e0
[  477.108257]  addrconf_rs_timer+0x314/0x690
[  477.112506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.116757]  call_timer_fn+0x272/0x920
[  477.120647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.124880]  ? process_timeout+0x40/0x40
[  477.128951]  ? __run_timers+0x7da/0xc70
[  477.132941]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.137451]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.141946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.146182]  ? lockdep_hardirqs_on+0x296/0x5b0
[  477.150771]  ? trace_hardirqs_on+0xbd/0x310
[  477.155096]  ? kasan_check_read+0x11/0x20
[  477.159239]  ? __run_timers+0x7da/0xc70
[  477.163226]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.168335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.172606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.176839]  __run_timers+0x7e5/0xc70
[  477.180649]  ? timer_fixup_init+0x70/0x70
[  477.184795]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.189288]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.193786]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  477.198371]  ? trace_hardirqs_on+0xbd/0x310
[  477.202702]  ? kasan_check_read+0x11/0x20
[  477.206884]  ? finish_task_switch+0x1f4/0x910
[  477.211382]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.216493]  ? compat_start_thread+0x80/0x80
[  477.220948]  ? pvclock_read_flags+0x160/0x160
[  477.225485]  ? __switch_to_asm+0x34/0x70
[  477.229564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.235108]  ? check_preemption_disabled+0x48/0x280
[  477.240146]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  477.245691]  ? rcu_pm_notify+0xc0/0xc0
[  477.249585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.255128]  ? check_preemption_disabled+0x48/0x280
[  477.260151]  run_timer_softirq+0x52/0xb0
[  477.264216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  477.269246]  __do_softirq+0x308/0xb7e
[  477.273049]  ? retint_kernel+0x2d/0x2d
[  477.276967]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  477.282070]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  477.287545]  ? retint_kernel+0x2d/0x2d
[  477.291469]  ? schedule+0x108/0x460
[  477.295125]  ? trace_hardirqs_off+0xb8/0x310
[  477.299553]  ? smpboot_thread_fn+0x68b/0xa00
[  477.303966]  ? trace_hardirqs_on+0x310/0x310
[  477.308377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.313928]  ? check_preemption_disabled+0x48/0x280
[  477.318951]  ? takeover_tasklets+0xa90/0xa90
[  477.323375]  run_ksoftirqd+0x5e/0x100
[  477.327231]  smpboot_thread_fn+0x68b/0xa00
[  477.331478]  ? sort_range+0x30/0x30
[  477.335105]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  477.340210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.345750]  ? __kthread_parkme+0xfb/0x1a0
[  477.349988]  ? sort_range+0x30/0x30
[  477.353616]  kthread+0x35a/0x440
[  477.357003]  ? kthread_stop+0x900/0x900
[  477.360977]  ret_from_fork+0x3a/0x50
[  477.364703] warn_alloc_show_mem: 1 callbacks suppressed
[  477.364716] CPU: 0 PID: 11043 Comm: syz-executor2 Not tainted 4.20.0-rc4+ #103
[  477.364717] Mem-Info:
[  477.364750] active_anon:31844 inactive_anon:1934 isolated_anon:0
[  477.364750]  active_file:133 inactive_file:117 isolated_file:0
[  477.364750]  unevictable:0 dirty:3 writeback:0 unstable:0
[  477.364750]  slab_reclaimable:8490 slab_unreclaimable:1475443
[  477.364750]  mapped:49346 shmem:1990 pagetables:666 bounce:0
[  477.364750]  free:13727 free_pcp:164 free_cma:0
[  477.370089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  477.377453] Node 0 active_anon:127376kB inactive_anon:7736kB active_file:532kB inactive_file:468kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197384kB dirty:12kB writeback:0kB shmem:7960kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 16384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  477.377462] 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
[  477.379882] Call Trace:
[  477.413084] lowmem_reserve[]: 0 2818 6321 6321
[  477.422446]  <IRQ>
[  477.450191] Node 0 DMA32 free:25208kB min:30052kB low:37564kB high:45076kB active_anon:4792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  477.476383]  dump_stack+0x244/0x39d
[  477.478961] lowmem_reserve[]: 0 0 3503 3503
[  477.483552]  ? dump_stack_print_info.cold.1+0x20/0x20
[  477.485678] Node 0 Normal free:13792kB min:37364kB low:46704kB high:56044kB active_anon:122584kB inactive_anon:7736kB active_file:752kB inactive_file:368kB unevictable:0kB writepending:12kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:2664kB bounce:0kB free_pcp:408kB local_pcp:160kB free_cma:0kB
[  477.513274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.516887] lowmem_reserve[]: 0 0 0 0
[  477.521222]  warn_alloc.cold.116+0xb7/0x1bd
[  477.526380] 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
[  477.555613]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  477.561123] Node 0 DMA32: 4*4kB (M) 191*8kB (UM) 141*16kB (M) 93*32kB (UM) 32*64kB (UM) 14*128kB (UM) 5*256kB (M) 2*512kB (M) 4*1024kB (M) 0*2048kB 2*4096kB (M) = 25208kB
[  477.564922]  ? lock_downgrade+0x900/0x900
[  477.569226] Node 0 Normal: 248*4kB (UME) 500*8kB (ME) 354*16kB (UME) 98*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13792kB
[  477.582749]  ? trace_hardirqs_off+0xb8/0x310
[  477.587568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  477.602902]  ? trace_hardirqs_off+0xb8/0x310
[  477.607026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  477.620556]  __alloc_pages_slowpath+0x2651/0x2de0
[  477.624944] 2220 total pagecache pages
[  477.633797]  ? warn_alloc+0x120/0x120
[  477.638170] 0 pages in swap cache
[  477.646734]  ? warn_alloc+0x120/0x120
[  477.651559] Swap cache stats: add 0, delete 0, find 0/0
[  477.655442]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  477.659218] Free swap  = 0kB
[  477.662664]  ? warn_alloc+0x120/0x120
[  477.666446] Total swap = 0kB
[  477.671800]  ? print_usage_bug+0xc0/0xc0
[  477.676804] 1965979 pages RAM
[  477.679817]  ? print_usage_bug+0xc0/0xc0
[  477.683592] 0 pages HighMem/MovableOnly
[  477.686602]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  477.690636] 342854 pages reserved
[  477.693741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.697775] 0 pages cma reserved
[  477.701745]  ? should_fail+0x22d/0xd01
[  477.706984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  477.710352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.710369]  ? __lock_acquire+0x62f/0x4c20