26.367072]  ? __switch_to_asm+0x34/0x70
[  326.371136]  ? __switch_to_asm+0x40/0x70
[  326.375200]  ? __switch_to_asm+0x34/0x70
[  326.379268]  ? __switch_to_asm+0x40/0x70
[  326.383331]  ? __switch_to_asm+0x34/0x70
[  326.387409]  ? __switch_to_asm+0x40/0x70
[  326.391478]  ? __switch_to_asm+0x34/0x70
[  326.395545]  ? __switch_to_asm+0x34/0x70
[  326.399614]  ? __switch_to_asm+0x40/0x70
[  326.403716]  ? __switch_to_asm+0x34/0x70
[  326.407792]  bpf_clone_redirect+0xb9/0x490
[  326.412029]  ? __schedule+0x8d7/0x21d0
[  326.415928]  bpf_prog_bebbfe2050753572+0x381/0x1000
[  326.420952]  ? __sched_text_start+0x8/0x8
[  326.425135]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.429721]  ? retint_kernel+0x2d/0x2d
[  326.433618]  ? trace_hardirqs_on_caller+0xc0/0x310
[  326.439047]  ? find_held_lock+0x36/0x1c0
[  326.443140]  ? lock_acquire+0x1ed/0x520
[  326.447145]  ? bpf_test_run+0x3cb/0x780
[  326.451132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.456676]  ? check_preemption_disabled+0x48/0x280
[  326.461707]  ? kasan_check_read+0x11/0x20
[  326.465856]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.471144]  ? rcu_softirq_qs+0x20/0x20
[  326.475128]  ? preempt_schedule+0x4d/0x60
[  326.479286]  ? ___preempt_schedule+0x16/0x18
[  326.483710]  ? bpf_test_run+0x25d/0x780
[  326.487701]  ? netlink_diag_dump+0x2a0/0x2a0
[  326.492124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.497667]  ? bpf_test_init.isra.10+0x70/0x100
[  326.502348]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  326.507129]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.511975]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  326.517515]  ? fput+0x130/0x1a0
[  326.520804]  ? __bpf_prog_get+0x9b/0x290
[  326.524890]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.529747]  ? bpf_prog_test_run+0x130/0x1a0
[  326.534165]  ? __x64_sys_bpf+0x3d8/0x520
[  326.538233]  ? bpf_prog_get+0x20/0x20
[  326.542060]  ? do_syscall_64+0x1b9/0x820
[  326.546133]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  326.551506]  ? syscall_return_slowpath+0x5e0/0x5e0
[  326.556443]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.561464]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  326.566489]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  326.573161]  ? __switch_to_asm+0x40/0x70
[  326.577229]  ? __switch_to_asm+0x34/0x70
[  326.581300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.586163]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  326.591543] Mem-Info:
[  326.591556] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  326.591568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.594009] active_anon:49878 inactive_anon:1444 isolated_anon:0
[  326.594009]  active_file:13 inactive_file:14 isolated_file:0
[  326.594009]  unevictable:0 dirty:0 writeback:0 unstable:0
[  326.594009]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  326.594009]  mapped:32770 shmem:2544 pagetables:538 bounce:0
[  326.594009]  free:13782 free_pcp:392 free_cma:0
[  326.600387] Call Trace:
[  326.609785] Node 0 active_anon:199512kB inactive_anon:5776kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  326.642810]  dump_stack+0x244/0x39d
[  326.645377] 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
[  326.673142]  ? dump_stack_print_info.cold.1+0x20/0x20
[  326.676734] lowmem_reserve[]: 0 2818 6321 6321
[  326.702865]  warn_alloc.cold.116+0xb7/0x1bd
[  326.708049] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  326.712629]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  326.716924] lowmem_reserve[]: 0 0 3503 3503
[  326.744432]  ? lock_downgrade+0x900/0x900
[  326.749254] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:199512kB inactive_anon:5776kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5344kB pagetables:2152kB bounce:0kB free_pcp:1348kB local_pcp:1216kB free_cma:0kB
[  326.753593]  ? trace_hardirqs_off+0xb8/0x310
[  326.757730] lowmem_reserve[]: 0 0 0 0
[  326.786877]  ? trace_hardirqs_off+0xb8/0x310
[  326.791265] 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
[  326.795073]  __alloc_pages_slowpath+0x26e8/0x2e10
[  326.799456] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  326.813001]  ? warn_alloc+0x120/0x120
[  326.817798] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 76*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13984kB
[  326.833147]  ? warn_alloc+0x120/0x120
[  326.836930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  326.852269]  ? warn_alloc+0x120/0x120
[  326.856061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  326.864886]  ? print_usage_bug+0xc0/0xc0
[  326.868679] 2571 total pagecache pages
[  326.877248]  ? print_usage_bug+0xc0/0xc0
[  326.881296] 0 pages in swap cache
[  326.885190]  ? lock_downgrade+0x900/0x900
[  326.889237] Swap cache stats: add 0, delete 0, find 0/0
[  326.892684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.896806] Free swap  = 0kB
[  326.902176]  ? should_fail+0x22d/0xd01
[  326.907693] Total swap = 0kB
[  326.910709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.914576] 1965979 pages RAM
[  326.917603]  ? __lock_acquire+0x62f/0x4c20
[  326.922699] 0 pages HighMem/MovableOnly
[  326.925802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.930012] 342855 pages reserved
[  326.933987]  ? should_fail+0x22d/0xd01
[  326.939089] 0 pages cma reserved
[  326.942559]  ? mark_held_locks+0x130/0x130
[  326.954009]  ? mark_held_locks+0x130/0x130
[  326.958254]  ? debug_check_no_obj_freed+0x305/0x58d
[  326.963309]  ? drain_local_pages_wq+0x40/0x40
[  326.967817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.973366]  ? check_preemption_disabled+0x48/0x280
[  326.978400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.983950]  ? check_preemption_disabled+0x48/0x280
[  326.988988]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  326.994554]  ? rcu_pm_notify+0xc0/0xc0
[  326.998464]  __alloc_pages_nodemask+0xa80/0xde0
[  327.003142]  ? zap_class+0x640/0x640
[  327.006867]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  327.011918]  ? find_held_lock+0x36/0x1c0
[  327.016005]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.020678]  ? lock_downgrade+0x900/0x900
[  327.024839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.030396]  cache_grow_begin+0xa5/0x8c0
[  327.034463]  ? do_raw_spin_unlock+0xa7/0x330
[  327.038900]  fallback_alloc+0x204/0x2e0
[  327.042885]  ____cache_alloc_node+0x1c7/0x1e0
[  327.047391]  kmem_cache_alloc+0x1f8/0x730
[  327.051545]  ? __lock_is_held+0xb5/0x140
[  327.055620]  __build_skb+0xab/0x430
[  327.059250]  ? skb_try_coalesce+0x1b70/0x1b70
[  327.063768]  ? __alloc_pages_nodemask+0xde0/0xde0
[  327.068626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.074198]  ? check_preemption_disabled+0x48/0x280
[  327.079240]  __napi_alloc_skb+0x1d6/0x310
[  327.083404]  page_to_skb.isra.45+0xee/0x8d0
[  327.087734]  ? check_preemption_disabled+0x48/0x280
[  327.092757]  ? virtnet_remove+0xf0/0xf0
[  327.096730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.101662]  ? kasan_check_read+0x11/0x20
[  327.105814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.111099]  ? rcu_softirq_qs+0x20/0x20
[  327.115096]  receive_mergeable+0x155d/0x3a90
[  327.119531]  ? virtnet_probe+0x2240/0x2240
[  327.123777]  ? __lock_acquire+0x62f/0x4c20
[  327.128019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.133560]  ? check_preemption_disabled+0x48/0x280
[  327.138595]  ? zap_class+0x640/0x640
[  327.142316]  ? __update_load_avg_se+0x5eb/0xae0
[  327.146989]  ? mark_held_locks+0x130/0x130
[  327.151231]  ? __update_load_avg_blocked_se+0x690/0x690
[  327.156612]  ? __update_load_avg_se+0xae0/0xae0
[  327.161308]  ? update_load_avg+0x387/0x2470
[  327.165632]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  327.170836]  ? attach_entity_load_avg+0x860/0x860
[  327.175705]  ? zap_class+0x640/0x640
[  327.179426]  ? rb_erase+0x3710/0x3710
[  327.183238]  ? zap_class+0x640/0x640
[  327.186958]  ? find_held_lock+0x36/0x1c0
[  327.191035]  ? cpuacct_charge+0x265/0x440
[  327.195193]  ? find_held_lock+0x36/0x1c0
[  327.199266]  ? update_curr+0x4cf/0xbd0
[  327.203157]  ? lock_downgrade+0x900/0x900
[  327.207305]  ? check_preemption_disabled+0x48/0x280
[  327.212324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.217257]  ? kasan_check_read+0x11/0x20
[  327.221411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.226694]  ? rcu_softirq_qs+0x20/0x20
[  327.230687]  ? update_curr+0x4ec/0xbd0
[  327.234581]  ? __account_cfs_rq_runtime+0x790/0x790
[  327.239596]  ? find_held_lock+0x36/0x1c0
[  327.243688]  ? rb_erase_cached+0xc78/0x3720
[  327.248010]  ? __cpu_to_node+0x7d/0xa0
[  327.251903]  ? rb_next+0x140/0x140
[  327.255456]  ? zap_class+0x640/0x640
[  327.259193]  ? enqueue_entity+0x34b/0x20a0
[  327.263443]  ? __lock_is_held+0xb5/0x140
[  327.267532]  receive_buf+0xb3c/0x3270
[  327.271344]  ? __account_cfs_rq_runtime+0x790/0x790
[  327.276387]  ? get_free_info+0x1/0x10
[  327.280200]  ? receive_mergeable+0x3a90/0x3a90
[  327.285850]  ? __update_idle_core+0x600/0x600
[  327.290356]  ? process_backlog+0x24e/0x7a0
[  327.294598]  ? __do_softirq+0x308/0xb7e
[  327.298575]  ? run_ksoftirqd+0x5e/0x100
[  327.302557]  ? smpboot_thread_fn+0x68b/0xa00
[  327.306971]  ? kthread+0x35a/0x440
[  327.310523]  ? print_usage_bug+0xc0/0xc0
[  327.314592]  ? find_next_and_bit+0x183/0x1e0
[  327.319018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.324560]  ? ring_buffer_record_is_on+0xe1/0x130
[  327.330020]  ? zap_class+0x640/0x640
[  327.333739]  ? zap_class+0x640/0x640
[  327.337461]  ? check_preemption_disabled+0x48/0x280
[  327.342484]  ? zap_class+0x640/0x640
[  327.346208]  ? __update_load_avg_se+0x5eb/0xae0
[  327.350885]  ? __lock_acquire+0x62f/0x4c20
[  327.355143]  ? __update_load_avg_blocked_se+0x690/0x690
[  327.360520]  ? __update_load_avg_se+0xae0/0xae0
[  327.365196]  ? __lock_is_held+0xb5/0x140
[  327.369282]  ? update_load_avg+0x387/0x2470
[  327.373617]  ? attach_entity_load_avg+0x860/0x860
[  327.378472]  ? update_load_avg+0x387/0x2470
[  327.382800]  ? update_load_avg+0x387/0x2470
[  327.387151]  ? attach_entity_load_avg+0x860/0x860
[  327.392002]  ? attach_entity_load_avg+0x860/0x860
[  327.396857]  ? zap_class+0x640/0x640
[  327.400587]  ? mark_held_locks+0x130/0x130
[  327.404831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.410379]  ? vring_use_dma_api+0xa5/0xc0
[  327.414623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  327.420167]  ? vring_unmap_one+0x5a/0x410
[  327.424328]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  327.429870]  ? detach_buf+0x34b/0x5d0
[  327.433692]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  327.439238]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  327.444009]  ? virtqueue_detach_unused_buf+0x220/0x220
[  327.449302]  ? print_usage_bug+0xc0/0xc0
[  327.453379]  virtnet_poll+0x421/0x105f
[  327.457292]  ? receive_buf+0x3270/0x3270
[  327.461366]  ? __lock_acquire+0x62f/0x4c20
[  327.465617]  ? net_rx_action+0x4b5/0x19b0
[  327.469772]  ? net_rx_action+0x4b5/0x19b0
[  327.473931]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.478533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.484077]  ? check_preemption_disabled+0x48/0x280
[  327.489107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.494674]  net_rx_action+0x7fa/0x19b0
[  327.498675]  ? napi_complete_done+0x7a0/0x7a0
[  327.503180]  ? rcu_note_context_switch+0x12ad/0x2150
[  327.508301]  ? zap_class+0x640/0x640
[  327.512021]  ? run_rebalance_domains+0x500/0x500
[  327.516790]  ? zap_class+0x640/0x640
[  327.520518]  ? rebalance_domains+0x358/0xdc0
[  327.524939]  ? find_held_lock+0x36/0x1c0
[  327.529028]  ? finish_task_switch+0x1f4/0x910
[  327.533537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.539080]  ? __run_timers+0xa4a/0xc70
[  327.543075]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.547679]  ? trace_hardirqs_on+0xbd/0x310
[  327.552006]  ? kasan_check_read+0x11/0x20
[  327.556185]  ? finish_task_switch+0x1f4/0x910
[  327.560690]  ? timer_fixup_init+0x70/0x70
[  327.564847]  ? compat_start_thread+0x80/0x80
[  327.569266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.574823]  ? kasan_check_write+0x14/0x20
[  327.579069]  ? finish_task_switch+0x2f4/0x910
[  327.583576]  ? __switch_to_asm+0x40/0x70
[  327.587690]  ? preempt_notifier_register+0x200/0x200
[  327.592804]  ? __switch_to_asm+0x34/0x70
[  327.596872]  ? __switch_to_asm+0x34/0x70
[  327.600938]  ? __switch_to_asm+0x40/0x70
[  327.605004]  ? __switch_to_asm+0x34/0x70
[  327.609075]  ? __switch_to_asm+0x40/0x70
[  327.613152]  ? __switch_to_asm+0x34/0x70
[  327.617221]  ? __switch_to_asm+0x40/0x70
[  327.621290]  ? __switch_to_asm+0x34/0x70
[  327.625374]  ? pvclock_read_flags+0x160/0x160
[  327.629881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.635430]  ? check_preemption_disabled+0x48/0x280
[  327.640466]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  327.646012]  ? rcu_pm_notify+0xc0/0xc0
[  327.649930]  __do_softirq+0x308/0xb7e
[  327.653742]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.658687]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  327.663805]  ? schedule+0x108/0x460
[  327.667453]  ? trace_hardirqs_off+0xb8/0x310
[  327.671870]  ? smpboot_thread_fn+0x68b/0xa00
[  327.676289]  ? trace_hardirqs_on+0x310/0x310
[  327.680710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.686258]  ? check_preemption_disabled+0x48/0x280
[  327.691279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.696823]  ? takeover_tasklets+0xa90/0xa90
[  327.701244]  run_ksoftirqd+0x5e/0x100
[  327.705051]  smpboot_thread_fn+0x68b/0xa00
[  327.709298]  ? sort_range+0x30/0x30
[  327.712935]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.718066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.723611]  ? __kthread_parkme+0xfb/0x1a0
[  327.727874]  ? sort_range+0x30/0x30
[  327.731509]  kthread+0x35a/0x440
[  327.734886]  ? kthread_stop+0x900/0x900
[  327.738876]  ret_from_fork+0x3a/0x50
[  327.742644] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  327.749247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  327.758604] Call Trace:
[  327.761222]  dump_stack+0x244/0x39d
[  327.764869]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.764898] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.770076]  ? mark_held_locks+0x130/0x130
[  327.780377] ksoftirqd/0 cpuset=/ mems_allowed=0
[  327.784616]  ? mark_held_locks+0x130/0x130
[  327.793509]  dump_header+0x27b/0xf72
[  327.797246]  ? pagefault_out_of_memory+0x197/0x197
[  327.802193]  ? __lock_acquire+0x62f/0x4c20
[  327.806437]  ? percpu_ref_get_many+0x240/0x240
[  327.811030]  ? print_usage_bug+0xc0/0xc0
[  327.815107]  ? zap_class+0x640/0x640
[  327.818832]  ? print_usage_bug+0xc0/0xc0
[  327.822899]  ? print_usage_bug+0xc0/0xc0
[  327.826969]  ? zap_class+0x640/0x640
[  327.830693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.836248]  ? find_held_lock+0x36/0x1c0
[  327.840328]  ? mark_held_locks+0xc7/0x130
[  327.844490]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.849602]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.854717]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.859308]  ? trace_hardirqs_on+0xbd/0x310
[  327.863643]  ? kasan_check_read+0x11/0x20
[  327.867796]  ? ___ratelimit+0x3b4/0x672
[  327.871780]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.876891]  ? trace_hardirqs_on+0x310/0x310
[  327.881308]  ? lock_downgrade+0x900/0x900
[  327.885476]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.890588]  ? ___ratelimit+0x3b9/0x672
[  327.894589]  ? idr_get_free+0xf70/0xf70
[  327.898573]  ? find_held_lock+0x36/0x1c0
[  327.902661]  oom_kill_process.cold.27+0x10/0x903
[  327.907425]  ? zap_class+0x640/0x640
[  327.911149]  ? check_preemption_disabled+0x48/0x280
[  327.916178]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.921116]  ? kasan_check_read+0x11/0x20
[  327.925272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.930556]  ? oom_evaluate_task+0x540/0x540
[  327.934979]  ? find_held_lock+0x36/0x1c0
[  327.939054]  ? out_of_memory+0x974/0x1430
[  327.943215]  ? lock_downgrade+0x900/0x900
[  327.947371]  ? check_preemption_disabled+0x48/0x280
[  327.952397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.957331]  ? kasan_check_read+0x11/0x20
[  327.961488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.966772]  ? rcu_softirq_qs+0x20/0x20
[  327.970759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.976299]  ? oom_evaluate_task+0x302/0x540
[  327.980726]  out_of_memory+0xa84/0x1430
[  327.984721]  ? oom_killer_disable+0x3a0/0x3a0
[  327.989228]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  327.994166]  ? __ww_mutex_check_waiters+0x160/0x160
[  327.999205]  __alloc_pages_slowpath+0x2354/0x2e10
[  328.004091]  ? warn_alloc+0x120/0x120
[  328.007897]  ? mark_held_locks+0x130/0x130
[  328.012149]  ? find_get_entry+0xaae/0x1120
[  328.016407]  ? filemap_map_pages+0x1a20/0x1a20
[  328.021002]  ? zap_class+0x640/0x640
[  328.024729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.030274]  ? check_preemption_disabled+0x48/0x280
[  328.035300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.040845]  ? should_fail+0x22d/0xd01
[  328.044745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.049857]  ? zap_class+0x640/0x640
[  328.053607]  ? __lock_is_held+0xb5/0x140
[  328.057692]  ? mark_held_locks+0x130/0x130
[  328.061945]  ? lock_release+0xa00/0xa00
[  328.065930]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.071390]  ? xa_load+0x2ba/0x460
[  328.074939]  ? lock_downgrade+0x900/0x900
[  328.079099]  ? __might_sleep+0x95/0x190
[  328.083090]  __alloc_pages_nodemask+0xa80/0xde0
[  328.087779]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.092803]  ? __page_cache_alloc+0x191/0x5c0
[  328.097312]  ? xa_load+0x2e1/0x460
[  328.100862]  ? xa_clear_mark+0x40/0x40
[  328.104757]  ? zap_class+0x640/0x640
[  328.108487]  ? zap_class+0x640/0x640
[  328.112207]  ? zap_class+0x640/0x640
[  328.115931]  ? __do_page_cache_readahead+0x663/0x810
[  328.121047]  ? find_held_lock+0x36/0x1c0
[  328.125123]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  328.130679]  alloc_pages_current+0x173/0x350
[  328.135105]  __page_cache_alloc+0x38c/0x5c0
[  328.139433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.144368]  ? kasan_check_read+0x11/0x20
[  328.148520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.153806]  ? generic_perform_write+0x6a0/0x6a0
[  328.158571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.164115]  ? check_preemption_disabled+0x48/0x280
[  328.169148]  filemap_fault+0x1595/0x25f0
[  328.173231]  ? __lock_page_or_retry+0xa00/0xa00
[  328.177912]  ? mark_held_locks+0x130/0x130
[  328.182165]  ? filemap_map_pages+0xd6b/0x1a20
[  328.186669]  ? lock_downgrade+0x900/0x900
[  328.190824]  ? check_preemption_disabled+0x48/0x280
[  328.195851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.200787]  ? kasan_check_read+0x11/0x20
[  328.204947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.210235]  ? rcu_softirq_qs+0x20/0x20
[  328.214235]  ? filemap_map_pages+0xd92/0x1a20
[  328.218753]  ? find_get_entries_tag+0x1400/0x1400
[  328.223614]  ? debug_object_destroy+0x2b0/0x2b0
[  328.228295]  ? lock_pi_update_atomic+0x150/0x150
[  328.233058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.238621]  ? lock_acquire+0x1ed/0x520
[  328.242610]  ? ext4_filemap_fault+0x7a/0xad
[  328.246952]  ? lock_release+0xa00/0xa00
[  328.250933]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.256398]  ? print_usage_bug+0xc0/0xc0
[  328.260470]  ? print_usage_bug+0xc0/0xc0
[  328.264554]  ? down_read+0x8d/0x120
[  328.268185]  ? ext4_filemap_fault+0x7a/0xad
[  328.272515]  ? __down_interruptible+0x700/0x700
[  328.277204]  ext4_filemap_fault+0x82/0xad
[  328.281360]  __do_fault+0x100/0x6b0
[  328.285000]  ? pmd_devmap_trans_unstable+0x220/0x220
[  328.290116]  ? mark_held_locks+0x130/0x130
[  328.294362]  ? mark_held_locks+0x130/0x130
[  328.298606]  ? debug_smp_processor_id+0x1c/0x20
[  328.303287]  ? perf_trace_lock+0x14d/0x7a0
[  328.307534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.313087]  __handle_mm_fault+0x3ea6/0x5be0
[  328.317518]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  328.322368]  ? lock_is_held_type+0x210/0x210
[  328.326792]  ? ksys_dup3+0x680/0x680
[  328.330690]  ? zap_class+0x640/0x640
[  328.334433]  ? zap_class+0x640/0x640
[  328.338154]  ? __x64_sys_futex+0x53e/0x6a0
[  328.342405]  ? find_held_lock+0x36/0x1c0
[  328.346487]  ? handle_mm_fault+0x42a/0xc70
[  328.350734]  ? lock_downgrade+0x900/0x900
[  328.354916]  ? check_preemption_disabled+0x48/0x280
[  328.359941]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.364879]  ? kasan_check_read+0x11/0x20
[  328.369035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.374316]  ? rcu_softirq_qs+0x20/0x20
[  328.378297]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.383413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.388960]  ? check_preemption_disabled+0x48/0x280
[  328.393994]  handle_mm_fault+0x54f/0xc70
[  328.398065]  ? __handle_mm_fault+0x5be0/0x5be0
[  328.402675]  ? find_vma+0x34/0x190
[  328.406229]  __do_page_fault+0x5e8/0xe60
[  328.410297]  ? trace_hardirqs_off+0xb8/0x310
[  328.414727]  do_page_fault+0xf2/0x7e0
[  328.418538]  ? vmalloc_sync_all+0x30/0x30
[  328.422691]  ? error_entry+0x70/0xd0
[  328.426416]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.431440]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.436831]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.441766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.446619]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.451652]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.457124]  ? prepare_exit_to_usermode+0x291/0x3b0
[  328.462148]  ? page_fault+0x8/0x30
[  328.465714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.470568]  ? page_fault+0x8/0x30
[  328.474120]  page_fault+0x1e/0x30
[  328.477579] RIP: 0033:0x40f9c0
[  328.480790] Code: Bad RIP value.
[  328.484156] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  328.489520] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  328.496791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  328.504062] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  328.511332] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  328.518604] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  328.525916] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  328.526293] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.532341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.542555] syz-fuzzer cpuset=/ mems_allowed=0
[  328.551900] Call Trace:
[  328.559061]  dump_stack+0x244/0x39d
[  328.562700]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.567911]  warn_alloc.cold.116+0xb7/0x1bd
[  328.572238]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.577091]  ? lock_downgrade+0x900/0x900
[  328.581260]  ? trace_hardirqs_off+0xb8/0x310
[  328.585679]  ? trace_hardirqs_off+0xb8/0x310
[  328.590101]  __alloc_pages_slowpath+0x26e8/0x2e10
[  328.594986]  ? warn_alloc+0x120/0x120
[  328.598800]  ? warn_alloc+0x120/0x120
[  328.602622]  ? warn_alloc+0x120/0x120
[  328.606441]  ? print_usage_bug+0xc0/0xc0
[  328.610509]  ? print_usage_bug+0xc0/0xc0
[  328.614581]  ? print_usage_bug+0xc0/0xc0
[  328.618647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.624197]  ? check_preemption_disabled+0x48/0x280
[  328.629228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.634771]  ? should_fail+0x22d/0xd01
[  328.638672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.643779]  ? __lock_acquire+0x62f/0x4c20
[  328.648022]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.653133]  ? __lock_acquire+0x62f/0x4c20
[  328.657372]  ? should_fail+0x22d/0xd01
[  328.661278]  ? mark_held_locks+0x130/0x130
[  328.665526]  ? mark_held_locks+0x130/0x130
[  328.669772]  ? lock_downgrade+0x900/0x900
[  328.673927]  ? zap_class+0x640/0x640
[  328.677650]  ? print_usage_bug+0xc0/0xc0
[  328.681721]  ? trace_hardirqs_off+0xb8/0x310
[  328.686141]  ? kasan_check_read+0x11/0x20
[  328.690300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.695842]  ? check_preemption_disabled+0x48/0x280
[  328.700874]  ? __lock_is_held+0xb5/0x140
[  328.704954]  __alloc_pages_nodemask+0xa80/0xde0
[  328.709625]  ? zap_class+0x640/0x640
[  328.713353]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.718385]  ? find_held_lock+0x36/0x1c0
[  328.722461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.727141]  ? lock_downgrade+0x900/0x900
[  328.731306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.736856]  cache_grow_begin+0xa5/0x8c0
[  328.740925]  ? do_raw_spin_unlock+0xa7/0x330
[  328.745350]  fallback_alloc+0x204/0x2e0
[  328.749338]  ____cache_alloc_node+0x1c7/0x1e0
[  328.753849]  kmem_cache_alloc_node+0xe3/0x730
[  328.758348]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.762602]  __alloc_skb+0x119/0x770
[  328.766321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.771607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.776022]  ? lock_downgrade+0x900/0x900
[  328.780188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.785728]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.791189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.796642]  ? addrconf_rs_timer+0x690/0x690
[  328.801069]  ndisc_alloc_skb+0x144/0x340
[  328.805147]  ndisc_send_rs+0x331/0x6e0
[  328.809050]  addrconf_rs_timer+0x314/0x690
[  328.813297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.817551]  call_timer_fn+0x272/0x920
[  328.821440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.825678]  ? process_timeout+0x40/0x40
[  328.829758]  ? __run_timers+0x7da/0xc70
[  328.833743]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.838245]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.842741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.846978]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.851577]  ? trace_hardirqs_on+0xbd/0x310
[  328.855906]  ? kasan_check_read+0x11/0x20
[  328.860054]  ? __run_timers+0x7da/0xc70
[  328.864036]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.869161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.873400]  __run_timers+0x7e5/0xc70
[  328.877216]  ? timer_fixup_init+0x70/0x70
[  328.881374]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.885873]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.890376]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.894966]  ? trace_hardirqs_on+0xbd/0x310
[  328.899299]  ? kasan_check_read+0x11/0x20
[  328.903454]  ? finish_task_switch+0x1f4/0x910
[  328.907957]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.913066]  ? compat_start_thread+0x80/0x80
[  328.917507]  ? pvclock_read_flags+0x160/0x160
[  328.922006]  ? __switch_to_asm+0x34/0x70
[  328.926073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.931614]  ? check_preemption_disabled+0x48/0x280
[  328.936644]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  328.942188]  ? rcu_pm_notify+0xc0/0xc0
[  328.946084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.951627]  ? check_preemption_disabled+0x48/0x280
[  328.956658]  run_timer_softirq+0x52/0xb0
[  328.960729]  ? rcu_read_lock_sched_held+0x14f/0x180
[  328.965751]  __do_softirq+0x308/0xb7e
[  328.969563]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.974502]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  328.979621]  ? schedule+0x108/0x460
[  328.983270]  ? trace_hardirqs_off+0xb8/0x310
[  328.987685]  ? smpboot_thread_fn+0x68b/0xa00
[  328.992105]  ? trace_hardirqs_on+0x310/0x310
[  328.996526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.002071]  ? check_preemption_disabled+0x48/0x280
[  329.007093]  ? takeover_tasklets+0xa90/0xa90
[  329.011511]  run_ksoftirqd+0x5e/0x100
[  329.015317]  smpboot_thread_fn+0x68b/0xa00
[  329.019560]  ? sort_range+0x30/0x30
[  329.023194]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.028305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.033852]  ? __kthread_parkme+0xfb/0x1a0
[  329.038093]  ? sort_range+0x30/0x30
[  329.041729]  kthread+0x35a/0x440
[  329.045102]  ? kthread_stop+0x900/0x900
[  329.049088]  ret_from_fork+0x3a/0x50
[  329.052826] warn_alloc_show_mem: 1 callbacks suppressed
[  329.052839] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  329.052841] Mem-Info:
[  329.052873] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  329.052873]  active_file:14 inactive_file:13 isolated_file:0
[  329.052873]  unevictable:0 dirty:0 writeback:0 unstable:0
[  329.052873]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  329.052873]  mapped:24595 shmem:2544 pagetables:538 bounce:0
[  329.052873]  free:13782 free_pcp:473 free_cma:0
[  329.058213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.058222] Call Trace:
[  329.064817] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  329.067226]  <IRQ>
[  329.100268] 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
[  329.109635]  dump_stack+0x244/0x39d
[  329.112196] lowmem_reserve[]: 0 2818 6321 6321
[  329.139875]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.142005] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB
[  329.168135]  warn_alloc.cold.116+0xb7/0x1bd
[  329.171727] lowmem_reserve[]: 0 0 3503 3503
[  329.176313]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.181482] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2152kB bounce:0kB free_pcp:1672kB local_pcp:348kB free_cma:0kB
[  329.208808]  ? lock_downgrade+0x900/0x900
[  329.213105] lowmem_reserve[]: 0 0 0 0
[  329.217442]  ? trace_hardirqs_off+0xb8/0x310
[  329.222262] 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
[  329.251346]  ? trace_hardirqs_off+0xb8/0x310
[  329.255473] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  329.259281]  __alloc_pages_slowpath+0x26e8/0x2e10
[  329.263674] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  329.277226]  ? warn_alloc+0x120/0x120
[  329.281597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  329.296941]  ? find_held_lock+0x36/0x1c0
[  329.301769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  329.317117]  ? warn_alloc+0x120/0x120
[  329.320895] 2571 total pagecache pages
[  329.329727]  ? warn_alloc+0x120/0x120
[  329.333773] 0 pages in swap cache
[  329.342346]  ? print_usage_bug+0xc0/0xc0
[  329.346134] Swap cache stats: add 0, delete 0, find 0/0
[  329.350022]  ? print_usage_bug+0xc0/0xc0
[  329.353801] Free swap  = 0kB
[  329.357253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.361298] Total swap = 0kB
[  329.366667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.370715] 1965979 pages RAM
[  329.373733]  ? should_fail+0x22d/0xd01
[  329.378988] 0 pages HighMem/MovableOnly
[  329.382011]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.387529] 342855 pages reserved
[  329.390642]  ? __lock_acquire+0x62f/0x4c20
[  329.394503] 0 pages cma reserved
[  329.398478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.403639] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  329.407002]  ? __lock_acquire+0x62f/0x4c20
[  329.407015]  ? should_fail+0x22d/0xd01
[  329.407042]  ? mark_held_locks+0x130/0x130
[  329.411332] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  329.414635]  ? mark_held_locks+0x130/0x130
[  329.419709] ksoftirqd/0 cpuset=/ mems_allowed=0
[  329.426199]  ? __enqueue_entity+0x10d/0x1f0
[  329.461994]  ? zap_class+0x640/0x640
[  329.465714]  ? print_usage_bug+0xc0/0xc0
[  329.469778]  ? __lock_acquire+0x62f/0x4c20
[  329.474022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.479563]  ? check_preemption_disabled+0x48/0x280
[  329.484596]  ? __lock_is_held+0xb5/0x140
[  329.488671]  __alloc_pages_nodemask+0xa80/0xde0
[  329.493344]  ? zap_class+0x640/0x640
[  329.497068]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.502134]  ? find_held_lock+0x36/0x1c0
[  329.506236]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.510918]  ? lock_downgrade+0x900/0x900
[  329.515076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.520629]  cache_grow_begin+0xa5/0x8c0
[  329.524690]  ? do_raw_spin_unlock+0xa7/0x330
[  329.529110]  fallback_alloc+0x204/0x2e0
[  329.533097]  ____cache_alloc_node+0x1c7/0x1e0
[  329.537602]  kmem_cache_alloc_node+0xe3/0x730
[  329.542117]  ? ipv6_get_ifaddr+0x42e/0x620
[  329.546366]  __alloc_skb+0x119/0x770
[  329.550082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.555367]  ? netdev_alloc_frag+0x1f0/0x1f0
[  329.559779]  ? lock_downgrade+0x900/0x900
[  329.563938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.569504]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.574960]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.580411]  ? addrconf_rs_timer+0x690/0x690
[  329.584832]  ndisc_alloc_skb+0x144/0x340
[  329.588898]  ndisc_send_rs+0x331/0x6e0
[  329.592807]  addrconf_rs_timer+0x314/0x690
[  329.597055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.601305]  call_timer_fn+0x272/0x920
[  329.605195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.609455]  ? process_timeout+0x40/0x40
[  329.613531]  ? mark_held_locks+0xc7/0x130
[  329.617698]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.622210]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.626707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.630945]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.635543]  ? trace_hardirqs_on+0xbd/0x310
[  329.639869]  ? kasan_check_read+0x11/0x20
[  329.644017]  ? __run_timers+0x7da/0xc70
[  329.648005]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.653122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.657383]  __run_timers+0x7e5/0xc70
[  329.661210]  ? timer_fixup_init+0x70/0x70
[  329.665375]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  329.670398]  ? zap_class+0x640/0x640
[  329.674123]  ? print_usage_bug+0xc0/0xc0
[  329.678190]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  329.683390]  ? find_held_lock+0x36/0x1c0
[  329.687458]  ? zap_class+0x640/0x640
[  329.691182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.696745]  ? check_preemption_disabled+0x48/0x280
[  329.701780]  ? __lock_is_held+0xb5/0x140
[  329.705845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.711385]  ? check_preemption_disabled+0x48/0x280
[  329.716414]  run_timer_softirq+0x52/0xb0
[  329.720478]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.725498]  __do_softirq+0x308/0xb7e
[  329.729305]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.733811]  ? lock_downgrade+0x900/0x900
[  329.737965]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.743089]  ? pvclock_read_flags+0x160/0x160
[  329.747588]  ? lapic_next_event+0x5a/0x90
[  329.751748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.757296]  ? kvm_clock_read+0x18/0x30
[  329.761279]  ? kvm_sched_clock_read+0x9/0x20
[  329.765694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.771248]  ? check_preemption_disabled+0x48/0x280
[  329.776317]  irq_exit+0x17f/0x1c0
[  329.779788]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.784638]  ? smp_reschedule_interrupt+0x109/0x650
[  329.789736]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.795658]  ? interrupt_entry+0xb5/0xc0
[  329.799723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.804738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.809761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.814604]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.819640]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.824661]  ? task_prio+0x50/0x50
[  329.828210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.833752]  ? check_preemption_disabled+0x48/0x280
[  329.838778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.843637]  apic_timer_interrupt+0xf/0x20
[  329.847894]  </IRQ>
[  329.850136] RIP: 0010:dump_stack+0x358/0x39d
[  329.854552] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 21 39 fc f9 48 83 3d a9 71 8b 01 00 0f 84 63 fe ff ff e8 ee ef b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db ef b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  329.873474] RSP: 0000:ffff8801d5ac61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  329.881187] RAX: ffff8801b73585c0 RBX: 1ffffffff12a3f56 RCX: 1ffff10036e6b1d6
[  329.888454] RDX: 0000000000000000 RSI: ffffffff87c68912 RDI: 0000000000000293
[  329.895721] RBP: ffff8801d5ac6290 R08: ffff8801b7358eb0 R09: 0000000000000006
[  329.902988] R10: 0000000000000000 R11: ffff8801b73585c0 R12: 1ffff1003ab58c45
[  329.910257] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  329.917546]  ? dump_stack+0x34f/0x39d
[  329.921405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.926614]  ? mark_held_locks+0x130/0x130
[  329.930858]  ? mark_held_locks+0x130/0x130
[  329.935098]  dump_header+0x27b/0xf72
[  329.938832]  ? pagefault_out_of_memory+0x197/0x197
[  329.943787]  ? __lock_acquire+0x62f/0x4c20
[  329.948024]  ? percpu_ref_get_many+0x240/0x240
[  329.952612]  ? print_usage_bug+0xc0/0xc0
[  329.956713]  ? zap_class+0x640/0x640
[  329.960459]  ? print_usage_bug+0xc0/0xc0
[  329.964520]  ? print_usage_bug+0xc0/0xc0
[  329.968587]  ? zap_class+0x640/0x640
[  329.972310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.977864]  ? find_held_lock+0x36/0x1c0
[  329.981948]  ? mark_held_locks+0xc7/0x130
[  329.986116]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.991227]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.996335]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  330.000925]  ? trace_hardirqs_on+0xbd/0x310
[  330.005251]  ? kasan_check_read+0x11/0x20
[  330.009400]  ? ___ratelimit+0x3b4/0x672
[  330.013378]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.018486]  ? trace_hardirqs_on+0x310/0x310
[  330.022923]  ? lock_downgrade+0x900/0x900
[  330.027083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.032188]  ? ___ratelimit+0x3b9/0x672
[  330.036171]  ? idr_get_free+0xf70/0xf70
[  330.040163]  ? find_held_lock+0x36/0x1c0
[  330.044252]  oom_kill_process.cold.27+0x10/0x903
[  330.049009]  ? zap_class+0x640/0x640
[  330.052736]  ? check_preemption_disabled+0x48/0x280
[  330.057760]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.062693]  ? kasan_check_read+0x11/0x20
[  330.066845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.072149]  ? oom_evaluate_task+0x540/0x540
[  330.076567]  ? find_held_lock+0x36/0x1c0
[  330.080653]  ? out_of_memory+0x974/0x1430
[  330.084805]  ? lock_downgrade+0x900/0x900
[  330.088956]  ? check_preemption_disabled+0x48/0x280
[  330.093995]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.098928]  ? kasan_check_read+0x11/0x20
[  330.103081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.108360]  ? rcu_softirq_qs+0x20/0x20
[  330.112344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.117882]  ? oom_evaluate_task+0x302/0x540
[  330.122298]  out_of_memory+0xa84/0x1430
[  330.126285]  ? oom_killer_disable+0x3a0/0x3a0
[  330.130782]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  330.135714]  ? __ww_mutex_check_waiters+0x160/0x160
[  330.140742]  __alloc_pages_slowpath+0x2354/0x2e10
[  330.145618]  ? warn_alloc+0x120/0x120
[  330.149425]  ? mark_held_locks+0x130/0x130
[  330.153667]  ? find_get_entry+0xaae/0x1120
[  330.157917]  ? filemap_map_pages+0x1a20/0x1a20
[  330.162510]  ? zap_class+0x640/0x640
[  330.166248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.171803]  ? check_preemption_disabled+0x48/0x280
[  330.176848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.182402]  ? should_fail+0x22d/0xd01
[  330.186297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.191409]  ? zap_class+0x640/0x640
[  330.195189]  ? __lock_is_held+0xb5/0x140
[  330.199293]  ? mark_held_locks+0x130/0x130
[  330.203535]  ? lock_release+0xa00/0xa00
[  330.207515]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.212970]  ? xa_load+0x2ba/0x460
[  330.216515]  ? lock_downgrade+0x900/0x900
[  330.220683]  ? __might_sleep+0x95/0x190
[  330.224668]  __alloc_pages_nodemask+0xa80/0xde0
[  330.229350]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  330.234381]  ? __page_cache_alloc+0x191/0x5c0
[  330.238885]  ? xa_load+0x2e1/0x460
[  330.242429]  ? xa_clear_mark+0x40/0x40
[  330.246328]  ? zap_class+0x640/0x640
[  330.250059]  ? zap_class+0x640/0x640
[  330.253776]  ? zap_class+0x640/0x640
[  330.257502]  ? __do_page_cache_readahead+0x663/0x810
[  330.262610]  ? find_held_lock+0x36/0x1c0
[  330.266688]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  330.272241]  alloc_pages_current+0x173/0x350
[  330.276662]  __page_cache_alloc+0x38c/0x5c0
[  330.280986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.285919]  ? kasan_check_read+0x11/0x20
[  330.290092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.295381]  ? generic_perform_write+0x6a0/0x6a0
[  330.300144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.305687]  ? check_preemption_disabled+0x48/0x280
[  330.310732]  filemap_fault+0x1595/0x25f0
[  330.314808]  ? __lock_page_or_retry+0xa00/0xa00
[  330.319482]  ? mark_held_locks+0x130/0x130
[  330.323730]  ? filemap_map_pages+0xd6b/0x1a20
[  330.328486]  ? lock_downgrade+0x900/0x900
[  330.332645]  ? check_preemption_disabled+0x48/0x280
[  330.337672]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.342605]  ? kasan_check_read+0x11/0x20
[  330.346764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.352045]  ? rcu_softirq_qs+0x20/0x20
[  330.356038]  ? filemap_map_pages+0xd92/0x1a20
[  330.360553]  ? find_get_entries_tag+0x1400/0x1400
[  330.365405]  ? debug_object_destroy+0x2b0/0x2b0
[  330.370080]  ? lock_pi_update_atomic+0x150/0x150
[  330.374853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.380416]  ? lock_acquire+0x1ed/0x520
[  330.384395]  ? ext4_filemap_fault+0x7a/0xad
[  330.388732]  ? lock_release+0xa00/0xa00
[  330.392714]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.398175]  ? print_usage_bug+0xc0/0xc0
[  330.402246]  ? print_usage_bug+0xc0/0xc0
[  330.406326]  ? down_read+0x8d/0x120
[  330.409959]  ? ext4_filemap_fault+0x7a/0xad
[  330.414290]  ? __down_interruptible+0x700/0x700
[  330.418979]  ext4_filemap_fault+0x82/0xad
[  330.423137]  __do_fault+0x100/0x6b0
[  330.426780]  ? pmd_devmap_trans_unstable+0x220/0x220
[  330.431891]  ? mark_held_locks+0x130/0x130
[  330.436660]  ? mark_held_locks+0x130/0x130
[  330.440906]  ? debug_smp_processor_id+0x1c/0x20
[  330.445579]  ? perf_trace_lock+0x14d/0x7a0
[  330.449830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.455381]  __handle_mm_fault+0x3ea6/0x5be0
[  330.459807]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  330.464659]  ? lock_is_held_type+0x210/0x210
[  330.469078]  ? ksys_dup3+0x680/0x680
[  330.472822]  ? zap_class+0x640/0x640
[  330.476543]  ? zap_class+0x640/0x640
[  330.480264]  ? __x64_sys_futex+0x53e/0x6a0
[  330.484509]  ? find_held_lock+0x36/0x1c0
[  330.488589]  ? handle_mm_fault+0x42a/0xc70
[  330.492836]  ? lock_downgrade+0x900/0x900
[  330.497004]  ? check_preemption_disabled+0x48/0x280
[  330.502033]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.506969]  ? kasan_check_read+0x11/0x20
[  330.511131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.516423]  ? rcu_softirq_qs+0x20/0x20
[  330.520403]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.525523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.531064]  ? check_preemption_disabled+0x48/0x280
[  330.536096]  handle_mm_fault+0x54f/0xc70
[  330.540174]  ? __handle_mm_fault+0x5be0/0x5be0
[  330.544770]  ? find_vma+0x34/0x190
[  330.548322]  __do_page_fault+0x5e8/0xe60
[  330.552390]  ? trace_hardirqs_off+0xb8/0x310
[  330.556821]  do_page_fault+0xf2/0x7e0
[  330.560634]  ? vmalloc_sync_all+0x30/0x30
[  330.564787]  ? error_entry+0x70/0xd0
[  330.568508]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.573546]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.578481]  ? syscall_return_slowpath+0x5e0/0x5e0
[  330.583416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.588271]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.593293]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.598756]  ? prepare_exit_to_usermode+0x291/0x3b0
[  330.603776]  ? page_fault+0x8/0x30
[  330.607325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.612177]  ? page_fault+0x8/0x30
[  330.615726]  page_fault+0x1e/0x30
[  330.619185] RIP: 0033:0x40f9c0
[  330.622392] Code: Bad RIP value.
[  330.625759] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  330.631131] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  330.638403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  330.645677] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  330.652945] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  330.660222] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  330.667527] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  330.667529] Mem-Info:
[  330.667561] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  330.667561]  active_file:14 inactive_file:13 isolated_file:0
[  330.667561]  unevictable:0 dirty:0 writeback:0 unstable:0
[  330.667561]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  330.667561]  mapped:24595 shmem:2544 pagetables:538 bounce:0
[  330.667561]  free:13782 free_pcp:473 free_cma:0
[  330.673950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.676399] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  330.709425] Call Trace:
[  330.718774] 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
[  330.746454]  dump_stack+0x244/0x39d
[  330.749015] lowmem_reserve[]: 0 2818 6321 6321
[  330.775145]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.778749] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  330.783346]  warn_alloc.cold.116+0xb7/0x1bd
[  330.788510] lowmem_reserve[]: 0 0 3503 3503
[  330.816009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.820312] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2152kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  330.824634]  ? lock_downgrade+0x900/0x900
[  330.829460] lowmem_reserve[]: 0 0 0 0
[  330.858617]  ? trace_hardirqs_off+0xb8/0x310
[  330.862745] 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
[  330.866549]  ? trace_hardirqs_off+0xb8/0x310
[  330.870961] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  330.884508]  __alloc_pages_slowpath+0x26e8/0x2e10
[  330.888892] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  330.904265]  ? warn_alloc+0x120/0x120
[  330.909073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.924411]  ? print_usage_bug+0xc0/0xc0
[  330.928198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.937023]  ? warn_alloc+0x120/0x120
[  330.941065] 2571 total pagecache pages
[  330.949642]  ? warn_alloc+0x120/0x120
[  330.953431] 0 pages in swap cache
[  330.957311]  ? print_usage_bug+0xc0/0xc0
[  330.961099] Swap cache stats: add 0, delete 0, find 0/0
[  330.964565]  ? print_usage_bug+0xc0/0xc0
[  330.968606] Free swap  = 0kB
[  330.973965]  ? __lock_acquire+0x62f/0x4c20
[  330.978010] Total swap = 0kB
[  330.981029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.985239] 1965979 pages RAM
[  330.988264]  ? should_fail+0x22d/0xd01
[  330.993779] 0 pages HighMem/MovableOnly
[  330.996883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.000750] 342855 pages reserved
[  331.004723]  ? __lock_acquire+0x62f/0x4c20
[  331.009808] 0 pages cma reserved
[  331.013258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.017533] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  331.020831]  ? __lock_acquire+0x62f/0x4c20
[  331.020848]  ? should_fail+0x22d/0xd01
[  331.026032] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.032445]  ? mark_held_locks+0x130/0x130
[  331.036653] syz-fuzzer cpuset=/ mems_allowed=0
[  331.040540]  ? mark_held_locks+0x130/0x130
[  331.063765]  ? zap_class+0x640/0x640
[  331.067485]  ? zap_class+0x640/0x640
[  331.071210]  ? zap_class+0x640/0x640
[  331.074929]  ? print_usage_bug+0xc0/0xc0
[  331.078993]  ? mark_held_locks+0x130/0x130
[  331.083240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.088795]  ? check_preemption_disabled+0x48/0x280
[  331.093828]  ? __lock_is_held+0xb5/0x140
[  331.097912]  __alloc_pages_nodemask+0xa80/0xde0
[  331.102597]  ? zap_class+0x640/0x640
[  331.106327]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.111363]  ? find_held_lock+0x36/0x1c0
[  331.115442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.120130]  ? lock_downgrade+0x900/0x900
[  331.124297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.129845]  cache_grow_begin+0xa5/0x8c0
[  331.133931]  ? do_raw_spin_unlock+0xa7/0x330
[  331.138356]  fallback_alloc+0x204/0x2e0
[  331.142342]  ____cache_alloc_node+0x1c7/0x1e0
[  331.146852]  kmem_cache_alloc_node+0xe3/0x730
[  331.151351]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.155600]  __alloc_skb+0x119/0x770
[  331.159322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.164610]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.169023]  ? lock_downgrade+0x900/0x900
[  331.173187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.178727]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.184188]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.189642]  ? addrconf_rs_timer+0x690/0x690
[  331.194070]  ndisc_alloc_skb+0x144/0x340
[  331.198153]  ndisc_send_rs+0x331/0x6e0
[  331.202053]  addrconf_rs_timer+0x314/0x690
[  331.206297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.210549]  call_timer_fn+0x272/0x920
[  331.214443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.218681]  ? process_timeout+0x40/0x40
[  331.222754]  ? __run_timers+0x7da/0xc70
[  331.226756]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.231256]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.235756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.239997]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.244586]  ? trace_hardirqs_on+0xbd/0x310
[  331.248910]  ? kasan_check_read+0x11/0x20
[  331.253059]  ? __run_timers+0x7da/0xc70
[  331.257042]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.262168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.266405]  __run_timers+0x7e5/0xc70
[  331.270222]  ? timer_fixup_init+0x70/0x70
[  331.274391]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.278895]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.283419]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.288013]  ? trace_hardirqs_on+0xbd/0x310
[  331.292371]  ? kasan_check_read+0x11/0x20
[  331.296560]  ? finish_task_switch+0x1f4/0x910
[  331.301055]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.306173]  ? compat_start_thread+0x80/0x80
[  331.310605]  ? pvclock_read_flags+0x160/0x160
[  331.315102]  ? __switch_to_asm+0x34/0x70
[  331.319176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.324721]  ? check_preemption_disabled+0x48/0x280
[  331.330276]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  331.335824]  ? rcu_pm_notify+0xc0/0xc0
[  331.339720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.345260]  ? check_preemption_disabled+0x48/0x280
[  331.350288]  run_timer_softirq+0x52/0xb0
[  331.354354]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.359372]  __do_softirq+0x308/0xb7e
[  331.363205]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.368149]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.373275]  ? schedule+0x108/0x460
[  331.376922]  ? trace_hardirqs_off+0xb8/0x310
[  331.381332]  ? smpboot_thread_fn+0x68b/0xa00
[  331.385745]  ? trace_hardirqs_on+0x310/0x310
[  331.390194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.395733]  ? check_preemption_disabled+0x48/0x280
[  331.400782]  ? takeover_tasklets+0xa90/0xa90
[  331.405194]  run_ksoftirqd+0x5e/0x100
[  331.408995]  smpboot_thread_fn+0x68b/0xa00
[  331.413237]  ? sort_range+0x30/0x30
[  331.416883]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  331.421987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.427527]  ? __kthread_parkme+0xfb/0x1a0
[  331.431782]  ? sort_range+0x30/0x30
[  331.435415]  kthread+0x35a/0x440
[  331.438787]  ? kthread_stop+0x900/0x900
[  331.442769]  ret_from_fork+0x3a/0x50
[  331.446538] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  331.446619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  331.453135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.453144] Call Trace:
[  331.459752] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.469009]  <IRQ>
[  331.471588] ksoftirqd/0 cpuset=/ mems_allowed=0
[  331.481896]  dump_stack+0x244/0x39d
[  331.492308]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.497519]  warn_alloc.cold.116+0xb7/0x1bd
[  331.501846]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.506697]  ? lock_downgrade+0x900/0x900
[  331.510883]  ? trace_hardirqs_off+0xb8/0x310
[  331.515302]  ? trace_hardirqs_off+0xb8/0x310
[  331.519722]  __alloc_pages_slowpath+0x26e8/0x2e10
[  331.524612]  ? warn_alloc+0x120/0x120
[  331.528422]  ? print_usage_bug+0xc0/0xc0
[  331.532486]  ? warn_alloc+0x120/0x120
[  331.536294]  ? warn_alloc+0x120/0x120
[  331.540102]  ? print_usage_bug+0xc0/0xc0
[  331.544166]  ? kvm_clock_read+0x18/0x30
[  331.548167]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  331.553196]  ? print_usage_bug+0xc0/0xc0
[  331.557275]  ? __lock_acquire+0x62f/0x4c20
[  331.561553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.567136]  ? should_fail+0x22d/0xd01
[  331.571030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.576317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.581422]  ? __lock_acquire+0x62f/0x4c20
[  331.585666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.590769]  ? __lock_acquire+0x62f/0x4c20
[  331.595002]  ? should_fail+0x22d/0xd01
[  331.598887]  ? rcu_irq_exit+0x1a2/0x390
[  331.602889]  ? mark_held_locks+0x130/0x130
[  331.607147]  ? mark_held_locks+0x130/0x130
[  331.611403]  ? mark_held_locks+0xc7/0x130
[  331.615552]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  331.620592]  ? zap_class+0x640/0x640
[  331.624314]  ? print_usage_bug+0xc0/0xc0
[  331.628385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.633928]  ? check_preemption_disabled+0x48/0x280
[  331.638958]  ? __lock_is_held+0xb5/0x140
[  331.643030]  __alloc_pages_nodemask+0xa80/0xde0
[  331.647700]  ? zap_class+0x640/0x640
[  331.651471]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.656502]  ? find_held_lock+0x36/0x1c0
[  331.660576]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.665249]  ? lock_downgrade+0x900/0x900
[  331.669410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.674957]  cache_grow_begin+0xa5/0x8c0
[  331.679020]  ? do_raw_spin_unlock+0xa7/0x330
[  331.683454]  fallback_alloc+0x204/0x2e0
[  331.687437]  ____cache_alloc_node+0x1c7/0x1e0
[  331.691940]  kmem_cache_alloc_node+0xe3/0x730
[  331.696440]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.700710]  __alloc_skb+0x119/0x770
[  331.704426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.709708]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.714121]  ? lock_downgrade+0x900/0x900
[  331.718284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.723825]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.729286]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.734740]  ? addrconf_rs_timer+0x690/0x690
[  331.739163]  ndisc_alloc_skb+0x144/0x340
[  331.743264]  ndisc_send_rs+0x331/0x6e0
[  331.747162]  addrconf_rs_timer+0x314/0x690
[  331.751427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.755676]  call_timer_fn+0x272/0x920
[  331.759579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.763835]  ? process_timeout+0x40/0x40
[  331.767908]  ? mark_held_locks+0xc7/0x130
[  331.772080]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.776577]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.781083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.785323]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.789909]  ? trace_hardirqs_on+0xbd/0x310
[  331.794255]  ? kasan_check_read+0x11/0x20
[  331.798407]  ? __run_timers+0x7da/0xc70
[  331.802388]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.807497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.811738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.815972]  __run_timers+0x7e5/0xc70
[  331.819783]  ? timer_fixup_init+0x70/0x70
[  331.823933]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.828976]  ? zap_class+0x640/0x640
[  331.832697]  ? print_usage_bug+0xc0/0xc0
[  331.836764]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.841968]  ? find_held_lock+0x36/0x1c0
[  331.846040]  ? zap_class+0x640/0x640
[  331.849775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.855314]  ? check_preemption_disabled+0x48/0x280
[  331.860341]  ? __lock_is_held+0xb5/0x140
[  331.864422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.869963]  ? check_preemption_disabled+0x48/0x280
[  331.874986]  run_timer_softirq+0x52/0xb0
[  331.879049]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.884070]  __do_softirq+0x308/0xb7e
[  331.887878]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.892373]  ? lock_downgrade+0x900/0x900
[  331.896529]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.901663]  ? pvclock_read_flags+0x160/0x160
[  331.906176]  ? lapic_next_event+0x5a/0x90
[  331.910367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.915913]  ? kvm_clock_read+0x18/0x30
[  331.919904]  ? kvm_sched_clock_read+0x9/0x20
[  331.924331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.929869]  ? check_preemption_disabled+0x48/0x280
[  331.934912]  irq_exit+0x17f/0x1c0
[  331.938381]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.943235]  ? smp_reschedule_interrupt+0x109/0x650
[  331.948262]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.954152]  ? interrupt_entry+0xb5/0xc0
[  331.958243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.963363]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.968383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.973229]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.978246]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.983266]  ? task_prio+0x50/0x50
[  331.986808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.992351]  ? check_preemption_disabled+0x48/0x280
[  331.997376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.002229]  apic_timer_interrupt+0xf/0x20
[  332.006460]  </IRQ>
[  332.008702] RIP: 0010:dump_stack+0x358/0x39d
[  332.013113] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 21 39 fc f9 48 83 3d a9 71 8b 01 00 0f 84 63 fe ff ff e8 ee ef b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db ef b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  332.032015] RSP: 0000:ffff8801d5ac61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  332.039728] RAX: ffff8801b73585c0 RBX: 1ffffffff12a3f56 RCX: 1ffff10036e6b1d6
[  332.047012] RDX: 0000000000000000 RSI: ffffffff87c68912 RDI: 0000000000000293
[  332.054279] RBP: ffff8801d5ac6290 R08: ffff8801b7358eb0 R09: 0000000000000006
[  332.061559] R10: 0000000000000000 R11: ffff8801b73585c0 R12: 1ffff1003ab58c45
[  332.068828] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  332.076114]  ? dump_stack+0x34f/0x39d
[  332.079931]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.085123]  ? mark_held_locks+0x130/0x130
[  332.089377]  ? mark_held_locks+0x130/0x130
[  332.093618]  dump_header+0x27b/0xf72
[  332.097353]  ? pagefault_out_of_memory+0x197/0x197
[  332.102295]  ? __lock_acquire+0x62f/0x4c20
[  332.106533]  ? percpu_ref_get_many+0x240/0x240
[  332.111135]  ? print_usage_bug+0xc0/0xc0
[  332.115212]  ? zap_class+0x640/0x640
[  332.118929]  ? print_usage_bug+0xc0/0xc0
[  332.122992]  ? print_usage_bug+0xc0/0xc0
[  332.127054]  ? zap_class+0x640/0x640
[  332.130772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.136319]  ? find_held_lock+0x36/0x1c0
[  332.140396]  ? mark_held_locks+0xc7/0x130
[  332.144554]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  332.149658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  332.154765]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.159350]  ? trace_hardirqs_on+0xbd/0x310
[  332.163677]  ? kasan_check_read+0x11/0x20
[  332.167831]  ? ___ratelimit+0x3b4/0x672
[  332.171808]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.176917]  ? trace_hardirqs_on+0x310/0x310
[  332.181329]  ? lock_downgrade+0x900/0x900
[  332.185488]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  332.190593]  ? ___ratelimit+0x3b9/0x672
[  332.194595]  ? idr_get_free+0xf70/0xf70
[  332.198603]  ? find_held_lock+0x36/0x1c0
[  332.202699]  oom_kill_process.cold.27+0x10/0x903
[  332.207507]  ? zap_class+0x640/0x640
[  332.211245]  ? check_preemption_disabled+0x48/0x280
[  332.216264]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.221196]  ? kasan_check_read+0x11/0x20
[  332.225346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.230635]  ? oom_evaluate_task+0x540/0x540
[  332.235051]  ? find_held_lock+0x36/0x1c0
[  332.239145]  ? out_of_memory+0x974/0x1430
[  332.243325]  ? lock_downgrade+0x900/0x900
[  332.247473]  ? check_preemption_disabled+0x48/0x280
[  332.252497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.257428]  ? kasan_check_read+0x11/0x20
[  332.261578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.266861]  ? rcu_softirq_qs+0x20/0x20
[  332.270861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.276403]  ? oom_evaluate_task+0x302/0x540
[  332.280817]  out_of_memory+0xa84/0x1430
[  332.284816]  ? oom_killer_disable+0x3a0/0x3a0
[  332.289329]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  332.294264]  ? __ww_mutex_check_waiters+0x160/0x160
[  332.299307]  __alloc_pages_slowpath+0x2354/0x2e10
[  332.304184]  ? warn_alloc+0x120/0x120
[  332.307990]  ? mark_held_locks+0x130/0x130
[  332.312246]  ? find_get_entry+0xaae/0x1120
[  332.316495]  ? filemap_map_pages+0x1a20/0x1a20
[  332.321096]  ? zap_class+0x640/0x640
[  332.324820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.330560]  ? check_preemption_disabled+0x48/0x280
[  332.335590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.341135]  ? should_fail+0x22d/0xd01
[  332.345032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.350164]  ? zap_class+0x640/0x640
[  332.353909]  ? __lock_is_held+0xb5/0x140
[  332.357985]  ? mark_held_locks+0x130/0x130
[  332.362224]  ? lock_release+0xa00/0xa00
[  332.366380]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.371833]  ? xa_load+0x2ba/0x460
[  332.375379]  ? lock_downgrade+0x900/0x900
[  332.379537]  ? __might_sleep+0x95/0x190
[  332.383520]  __alloc_pages_nodemask+0xa80/0xde0
[  332.388223]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  332.393256]  ? __page_cache_alloc+0x191/0x5c0
[  332.397767]  ? xa_load+0x2e1/0x460
[  332.401313]  ? xa_clear_mark+0x40/0x40
[  332.405230]  ? zap_class+0x640/0x640
[  332.408955]  ? zap_class+0x640/0x640
[  332.412669]  ? zap_class+0x640/0x640
[  332.416385]  ? __do_page_cache_readahead+0x663/0x810
[  332.421495]  ? find_held_lock+0x36/0x1c0
[  332.425564]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  332.431136]  alloc_pages_current+0x173/0x350
[  332.435559]  __page_cache_alloc+0x38c/0x5c0
[  332.440356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.445293]  ? kasan_check_read+0x11/0x20
[  332.449443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.454729]  ? generic_perform_write+0x6a0/0x6a0
[  332.459490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.465032]  ? check_preemption_disabled+0x48/0x280
[  332.470056]  filemap_fault+0x1595/0x25f0
[  332.474152]  ? __lock_page_or_retry+0xa00/0xa00
[  332.478830]  ? mark_held_locks+0x130/0x130
[  332.483076]  ? filemap_map_pages+0xd6b/0x1a20
[  332.487585]  ? lock_downgrade+0x900/0x900
[  332.491751]  ? check_preemption_disabled+0x48/0x280
[  332.496776]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.501724]  ? kasan_check_read+0x11/0x20
[  332.505883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.511170]  ? rcu_softirq_qs+0x20/0x20
[  332.515159]  ? filemap_map_pages+0xd92/0x1a20
[  332.519674]  ? find_get_entries_tag+0x1400/0x1400
[  332.524520]  ? debug_object_destroy+0x2b0/0x2b0
[  332.529196]  ? lock_pi_update_atomic+0x150/0x150
[  332.533952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.539504]  ? lock_acquire+0x1ed/0x520
[  332.543481]  ? ext4_filemap_fault+0x7a/0xad
[  332.547812]  ? lock_release+0xa00/0xa00
[  332.551789]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.557263]  ? print_usage_bug+0xc0/0xc0
[  332.561330]  ? print_usage_bug+0xc0/0xc0
[  332.565419]  ? down_read+0x8d/0x120
[  332.569051]  ? ext4_filemap_fault+0x7a/0xad
[  332.573409]  ? __down_interruptible+0x700/0x700
[  332.578092]  ext4_filemap_fault+0x82/0xad
[  332.582251]  __do_fault+0x100/0x6b0
[  332.585889]  ? pmd_devmap_trans_unstable+0x220/0x220
[  332.591019]  ? mark_held_locks+0x130/0x130
[  332.595268]  ? mark_held_locks+0x130/0x130
[  332.599512]  ? debug_smp_processor_id+0x1c/0x20
[  332.604198]  ? perf_trace_lock+0x14d/0x7a0
[  332.608451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.614000]  __handle_mm_fault+0x3ea6/0x5be0
[  332.618425]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  332.623278]  ? lock_is_held_type+0x210/0x210
[  332.627698]  ? ksys_dup3+0x680/0x680
[  332.631431]  ? zap_class+0x640/0x640
[  332.635149]  ? zap_class+0x640/0x640
[  332.638866]  ? __x64_sys_futex+0x53e/0x6a0
[  332.643105]  ? find_held_lock+0x36/0x1c0
[  332.647191]  ? handle_mm_fault+0x42a/0xc70
[  332.651430]  ? lock_downgrade+0x900/0x900
[  332.655581]  ? check_preemption_disabled+0x48/0x280
[  332.660608]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.665569]  ? kasan_check_read+0x11/0x20
[  332.669718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.675034]  ? rcu_softirq_qs+0x20/0x20
[  332.679011]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.684129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.689680]  ? check_preemption_disabled+0x48/0x280
[  332.694709]  handle_mm_fault+0x54f/0xc70
[  332.698802]  ? __handle_mm_fault+0x5be0/0x5be0
[  332.703396]  ? find_vma+0x34/0x190
[  332.706973]  __do_page_fault+0x5e8/0xe60
[  332.711035]  ? trace_hardirqs_off+0xb8/0x310
[  332.715457]  do_page_fault+0xf2/0x7e0
[  332.719262]  ? vmalloc_sync_all+0x30/0x30
[  332.723414]  ? error_entry+0x70/0xd0
[  332.727137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.732156]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.737119]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.742054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.746906]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.751924]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  332.757385]  ? prepare_exit_to_usermode+0x291/0x3b0
[  332.762406]  ? page_fault+0x8/0x30
[  332.765988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.770843]  ? page_fault+0x8/0x30
[  332.774386]  page_fault+0x1e/0x30
[  332.777852] RIP: 0033:0x40f9c0
[  332.781056] Code: Bad RIP value.
[  332.784420] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  332.789783] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  332.797071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  332.804338] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  332.811607] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  332.818900] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  332.826198] warn_alloc_show_mem: 1 callbacks suppressed
[  332.826210] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  332.826212] Mem-Info:
[  332.826243] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  332.826243]  active_file:14 inactive_file:13 isolated_file:0
[  332.826243]  unevictable:0 dirty:0 writeback:0 unstable:0
[  332.826243]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  332.826243]  mapped:24595 shmem:2544 pagetables:538 bounce:0
[  332.826243]  free:13782 free_pcp:473 free_cma:0
[  332.831600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.838037] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  332.840463] Call Trace:
[  332.873512] 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
[  332.882873]  dump_stack+0x244/0x39d
[  332.910512] lowmem_reserve[]: 0 2818 6321 6321
[  332.913112]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.939237] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  332.942875]  warn_alloc.cold.116+0xb7/0x1bd
[  332.947415] lowmem_reserve[]: 0 0 3503 3503
[  332.952615]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.980102] Node 0 Normal free:13952kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:56kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2152kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  332.984433]  ? lock_downgrade+0x900/0x900
[  332.988730] lowmem_reserve[]: 0 0 0 0
[  332.993579]  ? trace_hardirqs_off+0xb8/0x310
[  333.022725] 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
[  333.026912]  ? trace_hardirqs_off+0xb8/0x310
[  333.030684] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  333.035098]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.048619] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  333.053055]  ? warn_alloc+0x120/0x120
[  333.068368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  333.073221]  ? print_usage_bug+0xc0/0xc0
[  333.088558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  333.088568] 2571 total pagecache pages
[  333.092386]  ? warn_alloc+0x120/0x120
[  333.101208] 0 pages in swap cache
[  333.105263]  ? warn_alloc+0x120/0x120
[  333.113817] Swap cache stats: add 0, delete 0, find 0/0
[  333.117699]  ? print_usage_bug+0xc0/0xc0
[  333.121477] Free swap  = 0kB
[  333.124928]  ? print_usage_bug+0xc0/0xc0
[  333.128708] Total swap = 0kB
[  333.134072]  ? __lock_acquire+0x62f/0x4c20
[  333.138119] 1965979 pages RAM
[  333.141169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.145206] 0 pages HighMem/MovableOnly
[  333.148228]  ? should_fail+0x22d/0xd01
[  333.152440] 342855 pages reserved
[  333.152449] 0 pages cma reserved
[  333.155556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.161175] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  333.165056]  ? __lock_acquire+0x62f/0x4c20
[  333.165076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.165094]  ? __lock_acquire+0x62f/0x4c20
[  333.200902]  ? should_fail+0x22d/0xd01
[  333.204802]  ? find_held_lock+0x36/0x1c0
[  333.206026] Mem-Info:
[  333.208880]  ? mark_held_locks+0x130/0x130
[  333.211308] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  333.211308]  active_file:15 inactive_file:12 isolated_file:0
[  333.211308]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.211308]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  333.211308]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  333.211308]  free:13790 free_pcp:473 free_cma:0
[  333.215517]  ? mark_held_locks+0x130/0x130
[  333.215530]  ? zap_class+0x640/0x640
[  333.215582]  ? mark_held_locks+0xc7/0x130
[  333.248723] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.252871]  ? do_raw_spin_unlock+0xa7/0x330
[  333.252890]  ? zap_class+0x640/0x640
[  333.256629] 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
[  333.260749]  ? print_usage_bug+0xc0/0xc0
[  333.288473] lowmem_reserve[]: 0 2818 6321 6321
[  333.292859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.296581] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  333.322663]  ? check_preemption_disabled+0x48/0x280
[  333.322694]  ? __lock_is_held+0xb5/0x140
[  333.326776] lowmem_reserve[]: 0 0 3503 3503
[  333.331843]  __alloc_pages_nodemask+0xa80/0xde0
[  333.337397] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  333.364863]  ? zap_class+0x640/0x640
[  333.364885]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.364911]  ? find_held_lock+0x36/0x1c0
[  333.369917] lowmem_reserve[]: 0 0 0 0
[  333.373984]  ? ____cache_alloc_node+0x1c7/0x1e0
[  333.378310] 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
[  333.382953]  ? lock_downgrade+0x900/0x900
[  333.412145] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  333.415875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.415900]  cache_grow_begin+0xa5/0x8c0
[  333.420944] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  333.425014]  ? do_raw_spin_unlock+0xa7/0x330
[  333.425037]  fallback_alloc+0x204/0x2e0
[  333.425070]  ____cache_alloc_node+0x1c7/0x1e0
[  333.428866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  333.433527]  kmem_cache_alloc_node+0xe3/0x730
[  333.447074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  333.451186]  ? ipv6_get_ifaddr+0x42e/0x620
[  333.466550] 2571 total pagecache pages
[  333.472063]  __alloc_skb+0x119/0x770
[  333.476173] 0 pages in swap cache
[  333.491498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.491518]  ? netdev_alloc_frag+0x1f0/0x1f0
[  333.491536]  ? lock_downgrade+0x900/0x900
[  333.495972] Swap cache stats: add 0, delete 0, find 0/0
[  333.499918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.504396] Free swap  = 0kB
[  333.513228]  ? refcount_sub_and_test_checked+0x203/0x310
[  333.513246]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  333.513264]  ? addrconf_rs_timer+0x690/0x690
[  333.517774] Total swap = 0kB
[  333.526326]  ndisc_alloc_skb+0x144/0x340
[  333.526347]  ndisc_send_rs+0x331/0x6e0
[  333.530574] 1965979 pages RAM
[  333.534457]  addrconf_rs_timer+0x314/0x690
[  333.538180] 0 pages HighMem/MovableOnly
[  333.541601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.546889] 342855 pages reserved
[  333.551275]  call_timer_fn+0x272/0x920
[  333.555438] 0 pages cma reserved
[  333.560769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.566328] Unreclaimable slab info:
[  333.569324]  ? process_timeout+0x40/0x40
[  333.574785] Name                      Used          Total
[  333.580206]  ? __run_timers+0x7da/0xc70
[  333.584615] pid_2                      1KB         20KB
[  333.587612]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.587627]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.587640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.587659]  ? lockdep_hardirqs_on+0x296/0x5b0
[  333.591778] TIPC                      10KB         14KB
[  333.595613]  ? trace_hardirqs_on+0xbd/0x310
[  333.595629]  ? kasan_check_read+0x11/0x20
[  333.595642]  ? __run_timers+0x7da/0xc70
[  333.595660]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.598783] SCTPv6                    14KB         18KB
[  333.603001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.607007] DCCPv6                    17KB         21KB
[  333.611228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.614666] DCCP                      16KB         20KB
[  333.618539]  __run_timers+0x7e5/0xc70
[  333.618566]  ? timer_fixup_init+0x70/0x70
[  333.618585]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.621964] bridge_fdb_cache          12KB         23KB
[  333.626168]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.626185]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.626217]  ? trace_hardirqs_on+0xbd/0x310
[  333.629946] nf-frags                   0KB          3KB
[  333.633996]  ? kasan_check_read+0x11/0x20
[  333.634017]  ? finish_task_switch+0x1f4/0x910
[  333.639618] fib6_nodes                77KB         88KB
[  333.643557]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.648941] ip6_dst_cache             87KB        270KB
[  333.653401]  ? compat_start_thread+0x80/0x80
[  333.657915] RAWv6                     68KB         71KB
[  333.662143]  ? pvclock_read_flags+0x160/0x160
[  333.666709] UDPv6                      3KB          3KB
[  333.672033]  ? __switch_to_asm+0x34/0x70
[  333.672053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.676395] TCPv6                     23KB         29KB
[  333.680591]  ? check_preemption_disabled+0x48/0x280
[  333.684549] nf_conntrack               6KB         22KB
[  333.689660]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  333.689677]  ? rcu_pm_notify+0xc0/0xc0
[  333.689696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.695107] sd_ext_cdb                 0KB          3KB
[  333.699282]  ? check_preemption_disabled+0x48/0x280
[  333.704632] scsi_sense_cache        1056KB       1060KB
[  333.708861]  run_timer_softirq+0x52/0xb0
[  333.708876]  ? rcu_read_lock_sched_held+0x14f/0x180
[  333.708893]  __do_softirq+0x308/0xb7e
[  333.714306] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.718057]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.722187] syz-executor4 cpuset=syz4 mems_allowed=0
[  333.726681]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  333.889059]  ? schedule+0x108/0x460
[  333.892715]  ? trace_hardirqs_off+0xb8/0x310
[  333.897148]  ? smpboot_thread_fn+0x68b/0xa00
[  333.901570]  ? trace_hardirqs_on+0x310/0x310
[  333.905989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.911540]  ? check_preemption_disabled+0x48/0x280
[  333.916562]  ? takeover_tasklets+0xa90/0xa90
[  333.920981]  run_ksoftirqd+0x5e/0x100
[  333.924788]  smpboot_thread_fn+0x68b/0xa00
[  333.929048]  ? sort_range+0x30/0x30
[  333.932680]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  333.937801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.943356]  ? __kthread_parkme+0xfb/0x1a0
[  333.947599]  ? sort_range+0x30/0x30
[  333.951230]  kthread+0x35a/0x440
[  333.954606]  ? kthread_stop+0x900/0x900
[  333.958590]  ret_from_fork+0x3a/0x50
[  333.962341] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  333.962436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  333.969283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.969289] Call Trace:
[  333.969311]  dump_stack+0x244/0x39d
[  333.969332]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.975968] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.985182]  warn_alloc.cold.116+0xb7/0x1bd
[  333.987752] ksoftirqd/0 cpuset=/ mems_allowed=0
[  333.991377]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.020650]  ? lock_downgrade+0x900/0x900
[  334.024817]  ? trace_hardirqs_off+0xb8/0x310
[  334.029263]  ? trace_hardirqs_off+0xb8/0x310
[  334.033716]  __alloc_pages_slowpath+0x26e8/0x2e10
[  334.038612]  ? warn_alloc+0x120/0x120
[  334.042426]  ? zap_class+0x640/0x640
[  334.046153]  ? warn_alloc+0x120/0x120
[  334.049967]  ? warn_alloc+0x120/0x120
[  334.053785]  ? print_usage_bug+0xc0/0xc0
[  334.057876]  ? find_held_lock+0x36/0x1c0
[  334.061960]  ? print_usage_bug+0xc0/0xc0
[  334.066028]  ? cpuacct_charge+0x265/0x440
[  334.070197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.075741]  ? should_fail+0x22d/0xd01
[  334.079637]  ? find_held_lock+0x36/0x1c0
[  334.083710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.088820]  ? __lock_acquire+0x62f/0x4c20
[  334.093068]  ? should_fail+0x22d/0xd01
[  334.096974]  ? mark_held_locks+0x130/0x130
[  334.101217]  ? mark_held_locks+0x130/0x130
[  334.105462]  ? __lock_acquire+0x62f/0x4c20
[  334.109707]  ? zap_class+0x640/0x640
[  334.113427]  ? __lock_is_held+0xb5/0x140
[  334.117499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.123046]  ? check_preemption_disabled+0x48/0x280
[  334.128078]  ? __lock_is_held+0xb5/0x140
[  334.132153]  __alloc_pages_nodemask+0xa80/0xde0
[  334.136829]  ? zap_class+0x640/0x640
[  334.140567]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.145651]  ? find_held_lock+0x36/0x1c0
[  334.149730]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.154412]  ? lock_downgrade+0x900/0x900
[  334.158575]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.164150]  cache_grow_begin+0xa5/0x8c0
[  334.168222]  ? do_raw_spin_unlock+0xa7/0x330
[  334.172653]  fallback_alloc+0x204/0x2e0
[  334.176649]  ____cache_alloc_node+0x1c7/0x1e0
[  334.181164]  kmem_cache_alloc+0x1f8/0x730
[  334.185340]  skb_clone+0x1bb/0x500
[  334.188887]  ? finish_task_switch+0x1b4/0x910
[  334.193393]  ? skb_split+0x11e0/0x11e0
[  334.197297]  ? preempt_notifier_register+0x200/0x200
[  334.202435]  ? __switch_to_asm+0x34/0x70
[  334.206512]  ? __switch_to_asm+0x34/0x70
[  334.210579]  ? __switch_to_asm+0x40/0x70
[  334.214649]  ? __switch_to_asm+0x34/0x70
[  334.218713]  ? __switch_to_asm+0x40/0x70
[  334.222779]  ? __switch_to_asm+0x34/0x70
[  334.226841]  ? __switch_to_asm+0x40/0x70
[  334.230934]  ? __switch_to_asm+0x34/0x70
[  334.235004]  ? __switch_to_asm+0x34/0x70
[  334.239283]  ? __switch_to_asm+0x40/0x70
[  334.243354]  ? __switch_to_asm+0x34/0x70
[  334.247432]  bpf_clone_redirect+0xb9/0x490
[  334.251678]  ? __schedule+0x8d7/0x21d0
[  334.255592]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  334.260635]  ? __sched_text_start+0x8/0x8
[  334.264792]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.269583]  ? find_held_lock+0x36/0x1c0
[  334.273673]  ? lock_acquire+0x1ed/0x520
[  334.277652]  ? bpf_test_run+0x3cb/0x780
[  334.281662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.287206]  ? check_preemption_disabled+0x48/0x280
[  334.292267]  ? kasan_check_read+0x11/0x20
[  334.296417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.301697]  ? rcu_softirq_qs+0x20/0x20
[  334.305679]  ? preempt_schedule+0x4d/0x60
[  334.309834]  ? ___preempt_schedule+0x16/0x18
[  334.314259]  ? bpf_test_run+0x25d/0x780
[  334.318250]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.322667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.328453]  ? bpf_test_init.isra.10+0x70/0x100
[  334.333157]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  334.337931]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.342793]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.348370]  ? fput+0x130/0x1a0
[  334.351659]  ? __bpf_prog_get+0x9b/0x290
[  334.355728]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.360575]  ? bpf_prog_test_run+0x130/0x1a0
[  334.364995]  ? __x64_sys_bpf+0x3d8/0x520
[  334.369072]  ? bpf_prog_get+0x20/0x20
[  334.372902]  ? do_syscall_64+0x1b9/0x820
[  334.376981]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.382356]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.387293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.392160]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.397213]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  334.402240]  ? prepare_exit_to_usermode+0x291/0x3b0
[  334.407273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.412166]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  334.417554] warn_alloc_show_mem: 1 callbacks suppressed
[  334.417567] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  334.417569] Mem-Info:
[  334.417604] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  334.417604]  active_file:15 inactive_file:12 isolated_file:0
[  334.417604]  unevictable:0 dirty:0 writeback:0 unstable:0
[  334.417604]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  334.417604]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  334.417604]  free:13790 free_pcp:473 free_cma:0
[  334.422951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  334.429374] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  334.431778] Call Trace:
[  334.465340] 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
[  334.474720]  dump_stack+0x244/0x39d
[  334.502365] lowmem_reserve[]: 0 2818 6321 6321
[  334.504979]  ? dump_stack_print_info.cold.1+0x20/0x20
[  334.531068] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  334.534711]  warn_alloc.cold.116+0xb7/0x1bd
[  334.539259] lowmem_reserve[]: 0 0 3503 3503
[  334.544452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.571937] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  334.576272]  ? lock_downgrade+0x900/0x900
[  334.580561] lowmem_reserve[]: 0 0 0 0
[  334.585419]  ? trace_hardirqs_off+0xb8/0x310
[  334.614553] 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
[  334.618717]  ? trace_hardirqs_off+0xb8/0x310
[  334.622487] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  334.626907]  __alloc_pages_slowpath+0x26e8/0x2e10
[  334.640409] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  334.644845]  ? warn_alloc+0x120/0x120
[  334.660152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  334.664994]  ? warn_alloc+0x120/0x120
[  334.680340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  334.684155]  ? warn_alloc+0x120/0x120
[  334.692968] 2571 total pagecache pages
[  334.696774]  ? print_usage_bug+0xc0/0xc0
[  334.705335] 0 pages in swap cache
[  334.709143]  ? __lock_acquire+0x62f/0x4c20
[  334.713020] Swap cache stats: add 0, delete 0, find 0/0
[  334.717091]  ? print_usage_bug+0xc0/0xc0
[  334.720530] Free swap  = 0kB
[  334.724764]  ? print_usage_bug+0xc0/0xc0
[  334.730100] Total swap = 0kB
[  334.730116] 1965979 pages RAM
[  334.734176]  ? print_usage_bug+0xc0/0xc0
[  334.737178] 0 pages HighMem/MovableOnly
[  334.741235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.741255]  ? should_fail+0x22d/0xd01
[  334.744258] 342855 pages reserved
[  334.747362]  ? print_usage_bug+0xc0/0xc0
[  334.751399] 0 pages cma reserved
[  334.751746] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.755388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.760905] syz-executor4 cpuset=syz4 mems_allowed=0
[  334.764793]  ? __lock_acquire+0x62f/0x4c20
[  334.800537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.805669]  ? __lock_acquire+0x62f/0x4c20
[  334.809909]  ? should_fail+0x22d/0xd01
[  334.813816]  ? mark_held_locks+0x130/0x130
[  334.818060]  ? mark_held_locks+0x130/0x130
[  334.822308]  ? zap_class+0x640/0x640
[  334.826023]  ? mark_held_locks+0x130/0x130
[  334.830261]  ? mark_held_locks+0x130/0x130
[  334.834506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.840054]  ? check_preemption_disabled+0x48/0x280
[  334.845087]  ? __lock_is_held+0xb5/0x140
[  334.849167]  __alloc_pages_nodemask+0xa80/0xde0
[  334.853839]  ? zap_class+0x640/0x640
[  334.857568]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.862600]  ? find_held_lock+0x36/0x1c0
[  334.866677]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.871350]  ? lock_downgrade+0x900/0x900
[  334.875509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.881084]  cache_grow_begin+0xa5/0x8c0
[  334.885158]  ? do_raw_spin_unlock+0xa7/0x330
[  334.889577]  fallback_alloc+0x204/0x2e0
[  334.893562]  ____cache_alloc_node+0x1c7/0x1e0
[  334.898067]  kmem_cache_alloc_node+0xe3/0x730
[  334.902567]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.907179]  __alloc_skb+0x119/0x770
[  334.910896]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  334.916279]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.920721]  ? lock_acquire+0x1ed/0x520
[  334.924699]  ? aoecmd_cfg+0x108/0x7f0
[  334.928506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.934054]  ? check_preemption_disabled+0x48/0x280
[  334.939081]  ? kasan_check_read+0x11/0x20
[  334.943234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.948542]  ? rcu_softirq_qs+0x20/0x20
[  334.952551]  new_skb+0x26/0x1c0
[  334.955833]  aoecmd_cfg+0x279/0x7f0
[  334.959464]  ? find_held_lock+0x36/0x1c0
[  334.963530]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  334.967874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.973416]  ? check_preemption_disabled+0x48/0x280
[  334.978448]  ? __lock_is_held+0xb5/0x140
[  334.982523]  discover_timer+0x50/0x60
[  334.986325]  call_timer_fn+0x272/0x920
[  334.990214]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  334.995058]  ? process_timeout+0x40/0x40
[  334.999134]  ? __run_timers+0x7da/0xc70
[  335.003118]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.007630]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.012132]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.016998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.021583]  ? trace_hardirqs_on+0xbd/0x310
[  335.025906]  ? kasan_check_read+0x11/0x20
[  335.030053]  ? __run_timers+0x7da/0xc70
[  335.034031]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.039155]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.043998]  __run_timers+0x7e5/0xc70
[  335.047836]  ? timer_fixup_init+0x70/0x70
[  335.051989]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.056499]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.060998]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.065603]  ? trace_hardirqs_on+0xbd/0x310
[  335.069931]  ? kasan_check_read+0x11/0x20
[  335.074086]  ? finish_task_switch+0x1f4/0x910
[  335.078591]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.083708]  ? compat_start_thread+0x80/0x80
[  335.088149]  ? pvclock_read_flags+0x160/0x160
[  335.092648]  ? __switch_to_asm+0x34/0x70
[  335.096717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.102259]  ? check_preemption_disabled+0x48/0x280
[  335.107290]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  335.112835]  ? rcu_pm_notify+0xc0/0xc0
[  335.116728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.122285]  ? check_preemption_disabled+0x48/0x280
[  335.127310]  run_timer_softirq+0x52/0xb0
[  335.131386]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.136451]  __do_softirq+0x308/0xb7e
[  335.140268]  ? trace_hardirqs_on_caller+0xc0/0x310
[  335.145206]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.150323]  ? schedule+0x108/0x460
[  335.153962]  ? trace_hardirqs_off+0xb8/0x310
[  335.158375]  ? smpboot_thread_fn+0x68b/0xa00
[  335.162800]  ? trace_hardirqs_on+0x310/0x310
[  335.167218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.172761]  ? check_preemption_disabled+0x48/0x280
[  335.177782]  ? takeover_tasklets+0xa90/0xa90
[  335.182194]  run_ksoftirqd+0x5e/0x100
[  335.186004]  smpboot_thread_fn+0x68b/0xa00
[  335.190249]  ? sort_range+0x30/0x30
[  335.193882]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  335.199030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.204630]  ? __kthread_parkme+0xfb/0x1a0
[  335.208881]  ? sort_range+0x30/0x30
[  335.212507]  kthread+0x35a/0x440
[  335.215876]  ? kthread_stop+0x900/0x900
[  335.219859]  ret_from_fork+0x3a/0x50
[  335.223626] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  335.223689] aoe: skb alloc failure
[  335.230565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  335.230571] Call Trace:
[  335.230577]  <IRQ>
[  335.230596]  dump_stack+0x244/0x39d
[  335.230615]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.234170] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  335.243507]  warn_alloc.cold.116+0xb7/0x1bd
[  335.246059] ksoftirqd/0 cpuset=/ mems_allowed=0
[  335.248210]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  335.281206]  ? lock_downgrade+0x900/0x900
[  335.285376]  ? trace_hardirqs_off+0xb8/0x310
[  335.289807]  ? trace_hardirqs_off+0xb8/0x310
[  335.294230]  __alloc_pages_slowpath+0x26e8/0x2e10
[  335.299104]  ? warn_alloc+0x120/0x120
[  335.302922]  ? warn_alloc+0x120/0x120
[  335.306728]  ? warn_alloc+0x120/0x120
[  335.310546]  ? print_usage_bug+0xc0/0xc0
[  335.314612]  ? print_usage_bug+0xc0/0xc0
[  335.318685]  ? find_held_lock+0x36/0x1c0
[  335.322757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.328297]  ? should_fail+0x22d/0xd01
[  335.332196]  ? try_to_wake_up+0x11c/0x1490
[  335.336438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.341559]  ? __lock_acquire+0x62f/0x4c20
[  335.345828]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.350932]  ? __lock_acquire+0x62f/0x4c20
[  335.355169]  ? should_fail+0x22d/0xd01
[  335.359060]  ? trace_hardirqs_on+0x310/0x310
[  335.363503]  ? mark_held_locks+0x130/0x130
[  335.367747]  ? mark_held_locks+0x130/0x130
[  335.371984]  ? try_to_wake_up+0x11c/0x1490
[  335.376225]  ? lock_downgrade+0x900/0x900
[  335.380383]  ? zap_class+0x640/0x640
[  335.384100]  ? print_usage_bug+0xc0/0xc0
[  335.388169]  ? trace_hardirqs_off+0xb8/0x310
[  335.392583]  ? kasan_check_read+0x11/0x20
[  335.396754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.402297]  ? check_preemption_disabled+0x48/0x280
[  335.407332]  ? __lock_is_held+0xb5/0x140
[  335.411431]  __alloc_pages_nodemask+0xa80/0xde0
[  335.416105]  ? zap_class+0x640/0x640
[  335.419832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  335.424875]  ? find_held_lock+0x36/0x1c0
[  335.428955]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.433639]  ? lock_downgrade+0x900/0x900
[  335.437801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.443348]  cache_grow_begin+0xa5/0x8c0
[  335.447414]  ? do_raw_spin_unlock+0xa7/0x330
[  335.451835]  fallback_alloc+0x204/0x2e0
[  335.455823]  ____cache_alloc_node+0x1c7/0x1e0
[  335.460327]  kmem_cache_alloc_node+0xe3/0x730
[  335.464831]  ? ipv6_get_ifaddr+0x42e/0x620
[  335.469089]  __alloc_skb+0x119/0x770
[  335.472829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.478113]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.482529]  ? lock_downgrade+0x900/0x900
[  335.486691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.492234]  ? refcount_sub_and_test_checked+0x203/0x310
[  335.497694]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  335.503148]  ? addrconf_rs_timer+0x690/0x690
[  335.507573]  ndisc_alloc_skb+0x144/0x340
[  335.511667]  ndisc_send_rs+0x331/0x6e0
[  335.515566]  addrconf_rs_timer+0x314/0x690
[  335.519818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.524069]  call_timer_fn+0x272/0x920
[  335.527960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.532202]  ? process_timeout+0x40/0x40
[  335.536278]  ? __run_timers+0x7da/0xc70
[  335.540261]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.544756]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.549264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.553502]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.558092]  ? trace_hardirqs_on+0xbd/0x310
[  335.562425]  ? kasan_check_read+0x11/0x20
[  335.566576]  ? __run_timers+0x7da/0xc70
[  335.570555]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.575698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.579934]  __run_timers+0x7e5/0xc70
[  335.583751]  ? timer_fixup_init+0x70/0x70
[  335.587927]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.592959]  ? zap_class+0x640/0x640
[  335.596679]  ? enqueue_hrtimer+0x1a5/0x560
[  335.600942]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.606185]  ? find_held_lock+0x36/0x1c0
[  335.610254]  ? zap_class+0x640/0x640
[  335.613974]  ? pvclock_read_flags+0x160/0x160
[  335.618473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.624015]  ? check_preemption_disabled+0x48/0x280
[  335.629051]  ? __lock_is_held+0xb5/0x140
[  335.633125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.638680]  ? check_preemption_disabled+0x48/0x280
[  335.643719]  run_timer_softirq+0x52/0xb0
[  335.647794]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.652835]  __do_softirq+0x308/0xb7e
[  335.656656]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  335.661181]  ? lock_downgrade+0x900/0x900
[  335.665338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.670461]  ? pvclock_read_flags+0x160/0x160
[  335.674973]  ? lapic_next_event+0x5a/0x90
[  335.679134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.684685]  ? kvm_clock_read+0x18/0x30
[  335.688668]  ? kvm_sched_clock_read+0x9/0x20
[  335.693086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.698646]  ? check_preemption_disabled+0x48/0x280
[  335.703678]  irq_exit+0x17f/0x1c0
[  335.707137]  smp_apic_timer_interrupt+0x1cb/0x760
[  335.711983]  ? smp_reschedule_interrupt+0x109/0x650
[  335.717003]  ? smp_call_function_single_interrupt+0x650/0x650
[  335.722893]  ? interrupt_entry+0xb5/0xc0
[  335.726961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.731986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.737019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.741891]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.746911]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.751932]  ? task_prio+0x50/0x50
[  335.755475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.761028]  ? check_preemption_disabled+0x48/0x280
[  335.766056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.770911]  apic_timer_interrupt+0xf/0x20
[  335.775140]  </IRQ>
[  335.777387] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  335.782318] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  335.801217] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  335.808929] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  335.816198] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  335.823481] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  335.830776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  335.838067] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  335.845392]  skb_clone+0x1bb/0x500
[  335.848938]  ? finish_task_switch+0x1b4/0x910
[  335.853443]  ? skb_split+0x11e0/0x11e0
[  335.857334]  ? preempt_notifier_register+0x200/0x200
[  335.862439]  ? __switch_to_asm+0x34/0x70
[  335.866506]  ? __switch_to_asm+0x34/0x70
[  335.870569]  ? __switch_to_asm+0x40/0x70
[  335.874643]  ? __switch_to_asm+0x34/0x70
[  335.878706]  ? __switch_to_asm+0x40/0x70
[  335.882768]  ? __switch_to_asm+0x34/0x70
[  335.886830]  ? __switch_to_asm+0x40/0x70
[  335.890894]  ? __switch_to_asm+0x34/0x70
[  335.894958]  ? __switch_to_asm+0x34/0x70
[  335.899021]  ? __switch_to_asm+0x40/0x70
[  335.903085]  ? __switch_to_asm+0x34/0x70
[  335.907157]  bpf_clone_redirect+0xb9/0x490
[  335.911413]  ? __schedule+0x8d7/0x21d0
[  335.915314]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  335.920341]  ? __sched_text_start+0x8/0x8
[  335.924493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  335.929281]  ? find_held_lock+0x36/0x1c0
[  335.933356]  ? lock_acquire+0x1ed/0x520
[  335.937334]  ? bpf_test_run+0x3cb/0x780
[  335.941317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.946862]  ? check_preemption_disabled+0x48/0x280
[  335.951893]  ? kasan_check_read+0x11/0x20
[  335.956043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.961324]  ? rcu_softirq_qs+0x20/0x20
[  335.965306]  ? preempt_schedule+0x4d/0x60
[  335.969459]  ? ___preempt_schedule+0x16/0x18
[  335.973916]  ? bpf_test_run+0x25d/0x780
[  335.977913]  ? netlink_diag_dump+0x2a0/0x2a0
[  335.982330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.987879]  ? bpf_test_init.isra.10+0x70/0x100
[  335.992557]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  335.997326]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.002176]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  336.007720]  ? fput+0x130/0x1a0
[  336.011009]  ? __bpf_prog_get+0x9b/0x290
[  336.015080]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.019934]  ? bpf_prog_test_run+0x130/0x1a0
[  336.024365]  ? __x64_sys_bpf+0x3d8/0x520
[  336.028432]  ? bpf_prog_get+0x20/0x20
[  336.032258]  ? do_syscall_64+0x1b9/0x820
[  336.036325]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  336.041695]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.046634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.051484]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.056508]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.061649]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.066677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.071536]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  336.076921] warn_alloc_show_mem: 1 callbacks suppressed
[  336.076933] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  336.076935] Mem-Info:
[  336.076966] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  336.076966]  active_file:15 inactive_file:12 isolated_file:0
[  336.076966]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.076966]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  336.076966]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  336.076966]  free:13790 free_pcp:473 free_cma:0
[  336.082325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.088743] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.091152] Call Trace:
[  336.124206] 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
[  336.133576]  dump_stack+0x244/0x39d
[  336.161222] lowmem_reserve[]: 0 2818 6321 6321
[  336.163848]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.189942] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  336.193589]  warn_alloc.cold.116+0xb7/0x1bd
[  336.198139] lowmem_reserve[]: 0 0 3503 3503
[  336.203333]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.230824] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  336.235162]  ? lock_downgrade+0x900/0x900
[  336.239453] lowmem_reserve[]: 0 0 0 0
[  336.244306]  ? trace_hardirqs_off+0xb8/0x310
[  336.273441] 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
[  336.277607]  ? trace_hardirqs_off+0xb8/0x310
[  336.281366] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  336.285791]  __alloc_pages_slowpath+0x26e8/0x2e10
[  336.299291] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  336.303728]  ? warn_alloc+0x120/0x120
[  336.319037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  336.323876]  ? warn_alloc+0x120/0x120
[  336.339440] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  336.343245]  ? warn_alloc+0x120/0x120
[  336.352055] 2571 total pagecache pages
[  336.355858]  ? print_usage_bug+0xc0/0xc0
[  336.364417] 0 pages in swap cache
[  336.368218]  ? print_usage_bug+0xc0/0xc0
[  336.372087] Swap cache stats: add 0, delete 0, find 0/0
[  336.376157]  ? mark_held_locks+0x130/0x130
[  336.379594] Free swap  = 0kB
[  336.383656]  ? mark_held_locks+0x130/0x130
[  336.389090] Total swap = 0kB
[  336.393342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.396336] 1965979 pages RAM
[  336.400567]  ? should_fail+0x22d/0xd01
[  336.403565] 0 pages HighMem/MovableOnly
[  336.409100]  ? zap_class+0x640/0x640
[  336.412187] 342855 pages reserved
[  336.416074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.420027] 0 pages cma reserved
[  336.423744]  ? __lock_acquire+0x62f/0x4c20
[  336.427245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.432276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.435747] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.440007]  ? __lock_acquire+0x62f/0x4c20
[  336.440024]  ? should_fail+0x22d/0xd01
[  336.446506] syz-executor4 cpuset=syz4 mems_allowed=0
[  336.451617]  ? mark_held_locks+0x130/0x130
[  336.479518]  ? mark_held_locks+0x130/0x130
[  336.483757]  ? lock_downgrade+0x900/0x900
[  336.487911]  ? zap_class+0x640/0x640
[  336.491628]  ? zap_class+0x640/0x640
[  336.495347]  ? zap_class+0x640/0x640
[  336.499076]  ? do_raw_spin_unlock+0xa7/0x330
[  336.503495]  ? trace_hardirqs_on+0x310/0x310
[  336.507909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.513453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.518997]  ? check_preemption_disabled+0x48/0x280
[  336.524030]  ? __lock_is_held+0xb5/0x140
[  336.528101]  __alloc_pages_nodemask+0xa80/0xde0
[  336.532783]  ? zap_class+0x640/0x640
[  336.536505]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  336.541538]  ? find_held_lock+0x36/0x1c0
[  336.545617]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.550311]  ? lock_downgrade+0x900/0x900
[  336.554471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.560038]  cache_grow_begin+0xa5/0x8c0
[  336.564106]  ? do_raw_spin_unlock+0xa7/0x330
[  336.568534]  fallback_alloc+0x204/0x2e0
[  336.572546]  ____cache_alloc_node+0x1c7/0x1e0
[  336.577064]  kmem_cache_alloc_node+0xe3/0x730
[  336.581586]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.586186]  __alloc_skb+0x119/0x770
[  336.589906]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  336.595277]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.599699]  ? vprintk_default+0x28/0x30
[  336.603764]  ? vprintk_func+0x85/0x181
[  336.607656]  ? printk+0xa7/0xcf
[  336.610943]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  336.615719]  new_skb+0x26/0x1c0
[  336.619003]  aoecmd_cfg+0x279/0x7f0
[  336.622656]  ? find_held_lock+0x36/0x1c0
[  336.627158]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  336.631490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.637064]  ? __lock_is_held+0xb5/0x140
[  336.641150]  discover_timer+0x50/0x60
[  336.644957]  call_timer_fn+0x272/0x920
[  336.648846]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  336.653694]  ? process_timeout+0x40/0x40
[  336.657767]  ? __run_timers+0x7da/0xc70
[  336.661749]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.666251]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.670746]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  336.675595]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.680184]  ? trace_hardirqs_on+0xbd/0x310
[  336.684512]  ? kasan_check_read+0x11/0x20
[  336.688667]  ? __run_timers+0x7da/0xc70
[  336.692658]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.697782]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  336.702629]  __run_timers+0x7e5/0xc70
[  336.706448]  ? timer_fixup_init+0x70/0x70
[  336.710601]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.715103]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.719611]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.724203]  ? trace_hardirqs_on+0xbd/0x310
[  336.728530]  ? kasan_check_read+0x11/0x20
[  336.732688]  ? finish_task_switch+0x1f4/0x910
[  336.737191]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.742296]  ? compat_start_thread+0x80/0x80
[  336.746738]  ? pvclock_read_flags+0x160/0x160
[  336.751240]  ? __switch_to_asm+0x34/0x70
[  336.755308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.760855]  ? check_preemption_disabled+0x48/0x280
[  336.765888]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  336.771431]  ? rcu_pm_notify+0xc0/0xc0
[  336.775325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.780869]  ? check_preemption_disabled+0x48/0x280
[  336.785892]  run_timer_softirq+0x52/0xb0
[  336.789955]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.794976]  __do_softirq+0x308/0xb7e
[  336.798789]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.803725]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.808837]  ? schedule+0x108/0x460
[  336.812476]  ? trace_hardirqs_off+0xb8/0x310
[  336.816887]  ? smpboot_thread_fn+0x68b/0xa00
[  336.821300]  ? trace_hardirqs_on+0x310/0x310
[  336.825719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.831260]  ? check_preemption_disabled+0x48/0x280
[  336.836283]  ? takeover_tasklets+0xa90/0xa90
[  336.840717]  run_ksoftirqd+0x5e/0x100
[  336.844521]  smpboot_thread_fn+0x68b/0xa00
[  336.848774]  ? sort_range+0x30/0x30
[  336.852440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  336.857545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.863091]  ? __kthread_parkme+0xfb/0x1a0
[  336.867337]  ? sort_range+0x30/0x30
[  336.870966]  kthread+0x35a/0x440
[  336.874339]  ? kthread_stop+0x900/0x900
[  336.878323]  ret_from_fork+0x3a/0x50
[  336.882060] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  336.882138] aoe: skb alloc failure
[  336.889000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.889006] Call Trace:
[  336.889012]  <IRQ>
[  336.889031]  dump_stack+0x244/0x39d
[  336.889050]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.892599] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.901934]  warn_alloc.cold.116+0xb7/0x1bd
[  336.904491] ksoftirqd/0 cpuset=/ mems_allowed=0
[  336.906644]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.939537]  ? lock_downgrade+0x900/0x900
[  336.943702]  ? trace_hardirqs_off+0xb8/0x310
[  336.948127]  ? trace_hardirqs_off+0xb8/0x310
[  336.952550]  __alloc_pages_slowpath+0x26e8/0x2e10
[  336.957427]  ? warn_alloc+0x120/0x120
[  336.961238]  ? print_usage_bug+0xc0/0xc0
[  336.965303]  ? warn_alloc+0x120/0x120
[  336.969121]  ? warn_alloc+0x120/0x120
[  336.972928]  ? print_usage_bug+0xc0/0xc0
[  336.976994]  ? kvm_clock_read+0x18/0x30
[  336.980974]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  336.985999]  ? print_usage_bug+0xc0/0xc0
[  336.990068]  ? __lock_acquire+0x62f/0x4c20
[  336.994312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.999855]  ? should_fail+0x22d/0xd01
[  337.003755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.009036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.014145]  ? __lock_acquire+0x62f/0x4c20
[  337.018388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.023494]  ? __lock_acquire+0x62f/0x4c20
[  337.027728]  ? should_fail+0x22d/0xd01
[  337.031614]  ? rcu_irq_exit+0x1a2/0x390
[  337.035630]  ? mark_held_locks+0x130/0x130
[  337.039887]  ? mark_held_locks+0x130/0x130
[  337.044142]  ? mark_held_locks+0xc7/0x130
[  337.048294]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  337.053313]  ? zap_class+0x640/0x640
[  337.057032]  ? print_usage_bug+0xc0/0xc0
[  337.061101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.066654]  ? check_preemption_disabled+0x48/0x280
[  337.071685]  ? __lock_is_held+0xb5/0x140
[  337.075782]  __alloc_pages_nodemask+0xa80/0xde0
[  337.080454]  ? zap_class+0x640/0x640
[  337.084176]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  337.089211]  ? find_held_lock+0x36/0x1c0
[  337.093288]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.097966]  ? lock_downgrade+0x900/0x900
[  337.102131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.107680]  cache_grow_begin+0xa5/0x8c0
[  337.111749]  ? do_raw_spin_unlock+0xa7/0x330
[  337.116170]  fallback_alloc+0x204/0x2e0
[  337.120161]  ____cache_alloc_node+0x1c7/0x1e0
[  337.124668]  kmem_cache_alloc_node+0xe3/0x730
[  337.129166]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.133417]  __alloc_skb+0x119/0x770
[  337.137138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.142426]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.146836]  ? lock_downgrade+0x900/0x900
[  337.150998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.156541]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.162016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.167471]  ? addrconf_rs_timer+0x690/0x690
[  337.171895]  ndisc_alloc_skb+0x144/0x340
[  337.175965]  ndisc_send_rs+0x331/0x6e0
[  337.179872]  addrconf_rs_timer+0x314/0x690
[  337.184138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.188390]  call_timer_fn+0x272/0x920
[  337.192279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.196519]  ? process_timeout+0x40/0x40
[  337.200593]  ? __run_timers+0x7da/0xc70
[  337.204582]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.209080]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.213584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.217821]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.222412]  ? trace_hardirqs_on+0xbd/0x310
[  337.226738]  ? kasan_check_read+0x11/0x20
[  337.230888]  ? __run_timers+0x7da/0xc70
[  337.234866]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.240005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.244251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.248489]  __run_timers+0x7e5/0xc70
[  337.252306]  ? timer_fixup_init+0x70/0x70
[  337.256459]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.261482]  ? zap_class+0x640/0x640
[  337.265206]  ? enqueue_hrtimer+0x1a5/0x560
[  337.269449]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.274651]  ? find_held_lock+0x36/0x1c0
[  337.278723]  ? zap_class+0x640/0x640
[  337.282449]  ? pvclock_read_flags+0x160/0x160
[  337.286954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.292499]  ? check_preemption_disabled+0x48/0x280
[  337.297532]  ? __lock_is_held+0xb5/0x140
[  337.301600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.307164]  ? check_preemption_disabled+0x48/0x280
[  337.312194]  run_timer_softirq+0x52/0xb0
[  337.316265]  ? rcu_read_lock_sched_held+0x14f/0x180
[  337.321285]  __do_softirq+0x308/0xb7e
[  337.325094]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  337.329604]  ? lock_downgrade+0x900/0x900
[  337.333769]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  337.338901]  ? pvclock_read_flags+0x160/0x160
[  337.343402]  ? lapic_next_event+0x5a/0x90
[  337.347583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.353149]  ? kvm_clock_read+0x18/0x30
[  337.357128]  ? kvm_sched_clock_read+0x9/0x20
[  337.361546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.367093]  ? check_preemption_disabled+0x48/0x280
[  337.372127]  irq_exit+0x17f/0x1c0
[  337.375592]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.380441]  ? smp_reschedule_interrupt+0x109/0x650
[  337.385461]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.391356]  ? interrupt_entry+0xb5/0xc0
[  337.395426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.400444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.405467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.410313]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.415334]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.420355]  ? task_prio+0x50/0x50
[  337.423899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.429470]  ? check_preemption_disabled+0x48/0x280
[  337.434510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.439366]  apic_timer_interrupt+0xf/0x20
[  337.443594]  </IRQ>
[  337.445844] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.450774] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  337.469700] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.477424] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.484692] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  337.491959] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  337.499228] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.506499] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  337.513813]  skb_clone+0x1bb/0x500
[  337.517360]  ? finish_task_switch+0x1b4/0x910
[  337.521860]  ? skb_split+0x11e0/0x11e0
[  337.525774]  ? preempt_notifier_register+0x200/0x200
[  337.530882]  ? __switch_to_asm+0x34/0x70
[  337.534946]  ? __switch_to_asm+0x34/0x70
[  337.539013]  ? __switch_to_asm+0x40/0x70
[  337.543079]  ? __switch_to_asm+0x34/0x70
[  337.547144]  ? __switch_to_asm+0x40/0x70
[  337.551208]  ? __switch_to_asm+0x34/0x70
[  337.555289]  ? __switch_to_asm+0x40/0x70
[  337.559357]  ? __switch_to_asm+0x34/0x70
[  337.563422]  ? __switch_to_asm+0x34/0x70
[  337.567484]  ? __switch_to_asm+0x40/0x70
[  337.571545]  ? __switch_to_asm+0x34/0x70
[  337.575643]  bpf_clone_redirect+0xb9/0x490
[  337.579882]  ? __schedule+0x8d7/0x21d0
[  337.583779]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  337.588803]  ? __sched_text_start+0x8/0x8
[  337.592971]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  337.597743]  ? find_held_lock+0x36/0x1c0
[  337.601858]  ? lock_acquire+0x1ed/0x520
[  337.605834]  ? bpf_test_run+0x3cb/0x780
[  337.609822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.615368]  ? check_preemption_disabled+0x48/0x280
[  337.620396]  ? kasan_check_read+0x11/0x20
[  337.624549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.629826]  ? rcu_softirq_qs+0x20/0x20
[  337.633803]  ? preempt_schedule+0x4d/0x60
[  337.637956]  ? ___preempt_schedule+0x16/0x18
[  337.642374]  ? bpf_test_run+0x25d/0x780
[  337.646363]  ? netlink_diag_dump+0x2a0/0x2a0
[  337.650782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.656323]  ? bpf_test_init.isra.10+0x70/0x100
[  337.661002]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  337.665774]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.670618]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.676167]  ? fput+0x130/0x1a0
[  337.679451]  ? __bpf_prog_get+0x9b/0x290
[  337.683516]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.688362]  ? bpf_prog_test_run+0x130/0x1a0
[  337.692785]  ? __x64_sys_bpf+0x3d8/0x520
[  337.696853]  ? bpf_prog_get+0x20/0x20
[  337.700678]  ? do_syscall_64+0x1b9/0x820
[  337.704742]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  337.710110]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.715044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.719895]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.724916]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  337.729938]  ? prepare_exit_to_usermode+0x291/0x3b0
[  337.734968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.739823]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  337.745206] warn_alloc_show_mem: 1 callbacks suppressed
[  337.745218] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  337.745220] Mem-Info:
[  337.745251] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  337.745251]  active_file:15 inactive_file:12 isolated_file:0
[  337.745251]  unevictable:0 dirty:0 writeback:0 unstable:0
[  337.745251]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  337.745251]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  337.745251]  free:13790 free_pcp:473 free_cma:0
[  337.750598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.757014] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  337.759424] Call Trace:
[  337.792486] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  337.801847]  dump_stack+0x244/0x39d
[  337.829493] lowmem_reserve[]: 0 2818 6321 6321
[  337.832098]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.858184] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  337.861823]  warn_alloc.cold.116+0xb7/0x1bd
[  337.866371] lowmem_reserve[]: 0 0 3503 3503
[  337.871560]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.899036] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  337.903363]  ? lock_downgrade+0x900/0x900
[  337.907658] lowmem_reserve[]: 0 0 0 0
[  337.912501]  ? trace_hardirqs_off+0xb8/0x310
[  337.941627] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  337.945790]  ? trace_hardirqs_off+0xb8/0x310
[  337.949564] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  337.953988]  __alloc_pages_slowpath+0x26e8/0x2e10
[  337.967483] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  337.971928]  ? warn_alloc+0x120/0x120
[  337.987238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  337.992073]  ? warn_alloc+0x120/0x120
[  338.007406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  338.011199]  ? warn_alloc+0x120/0x120
[  338.020015] 2571 total pagecache pages
[  338.023814]  ? print_usage_bug+0xc0/0xc0
[  338.032371] 0 pages in swap cache
[  338.036169]  ? print_usage_bug+0xc0/0xc0
[  338.040037] Swap cache stats: add 0, delete 0, find 0/0
[  338.044091]  ? mark_held_locks+0x130/0x130
[  338.047521] Free swap  = 0kB
[  338.047530] Total swap = 0kB
[  338.051587]  ? mark_held_locks+0x130/0x130
[  338.056933] 1965979 pages RAM
[  338.061164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.064166] 0 pages HighMem/MovableOnly
[  338.067184]  ? should_fail+0x22d/0xd01
[  338.071396] 342855 pages reserved
[  338.074499]  ? zap_class+0x640/0x640
[  338.080015] 0 pages cma reserved
[  338.083988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.087915] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  338.091307]  ? __lock_acquire+0x62f/0x4c20
[  338.095098] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.098379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.103461] syz-executor4 cpuset=syz4 mems_allowed=0
[  338.109946]  ? __lock_acquire+0x62f/0x4c20
[  338.109963]  ? should_fail+0x22d/0xd01
[  338.142940]  ? mark_held_locks+0x130/0x130
[  338.147187]  ? mark_held_locks+0x130/0x130
[  338.151423]  ? lock_downgrade+0x900/0x900
[  338.155580]  ? zap_class+0x640/0x640
[  338.159299]  ? zap_class+0x640/0x640
[  338.163017]  ? zap_class+0x640/0x640
[  338.166735]  ? do_raw_spin_unlock+0xa7/0x330
[  338.171152]  ? trace_hardirqs_on+0x310/0x310
[  338.175564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.181114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.186663]  ? check_preemption_disabled+0x48/0x280
[  338.191693]  ? __lock_is_held+0xb5/0x140
[  338.195775]  __alloc_pages_nodemask+0xa80/0xde0
[  338.200461]  ? zap_class+0x640/0x640
[  338.204201]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.209234]  ? find_held_lock+0x36/0x1c0
[  338.213310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.217983]  ? lock_downgrade+0x900/0x900
[  338.222159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.227704]  cache_grow_begin+0xa5/0x8c0
[  338.231772]  ? do_raw_spin_unlock+0xa7/0x330
[  338.236206]  fallback_alloc+0x204/0x2e0
[  338.240192]  ____cache_alloc_node+0x1c7/0x1e0
[  338.244694]  kmem_cache_alloc_node+0xe3/0x730
[  338.249194]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.253789]  __alloc_skb+0x119/0x770
[  338.257503]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  338.262891]  ? netdev_alloc_frag+0x1f0/0x1f0
[  338.267314]  ? vprintk_default+0x28/0x30
[  338.271379]  ? vprintk_func+0x85/0x181
[  338.275275]  ? printk+0xa7/0xcf
[  338.278567]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  338.283340]  new_skb+0x26/0x1c0
[  338.286627]  aoecmd_cfg+0x279/0x7f0
[  338.290263]  ? find_held_lock+0x36/0x1c0
[  338.294335]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  338.298668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.304225]  ? __lock_is_held+0xb5/0x140
[  338.308302]  discover_timer+0x50/0x60
[  338.312104]  call_timer_fn+0x272/0x920
[  338.316011]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  338.320859]  ? process_timeout+0x40/0x40
[  338.324934]  ? __run_timers+0x7da/0xc70
[  338.329410]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.333910]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.338425]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  338.343292]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.347882]  ? trace_hardirqs_on+0xbd/0x310
[  338.352210]  ? kasan_check_read+0x11/0x20
[  338.356360]  ? __run_timers+0x7da/0xc70
[  338.360343]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.365463]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  338.370308]  __run_timers+0x7e5/0xc70
[  338.374140]  ? timer_fixup_init+0x70/0x70
[  338.378298]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.382795]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.387299]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.391894]  ? trace_hardirqs_on+0xbd/0x310
[  338.396220]  ? kasan_check_read+0x11/0x20
[  338.400373]  ? finish_task_switch+0x1f4/0x910
[  338.404873]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.409981]  ? compat_start_thread+0x80/0x80
[  338.414416]  ? pvclock_read_flags+0x160/0x160
[  338.418916]  ? __switch_to_asm+0x34/0x70
[  338.422983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.428527]  ? check_preemption_disabled+0x48/0x280
[  338.433557]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  338.439325]  ? rcu_pm_notify+0xc0/0xc0
[  338.443219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.448760]  ? check_preemption_disabled+0x48/0x280
[  338.453785]  run_timer_softirq+0x52/0xb0
[  338.457850]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.462869]  __do_softirq+0x308/0xb7e
[  338.466684]  ? trace_hardirqs_on_caller+0xc0/0x310
[  338.471620]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  338.476736]  ? schedule+0x108/0x460
[  338.480377]  ? trace_hardirqs_off+0xb8/0x310
[  338.484788]  ? smpboot_thread_fn+0x68b/0xa00
[  338.489204]  ? trace_hardirqs_on+0x310/0x310
[  338.493617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.499160]  ? check_preemption_disabled+0x48/0x280
[  338.504185]  ? takeover_tasklets+0xa90/0xa90
[  338.508598]  run_ksoftirqd+0x5e/0x100
[  338.512400]  smpboot_thread_fn+0x68b/0xa00
[  338.516641]  ? sort_range+0x30/0x30
[  338.520277]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.525386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.530937]  ? __kthread_parkme+0xfb/0x1a0
[  338.535179]  ? sort_range+0x30/0x30
[  338.538809]  kthread+0x35a/0x440
[  338.542183]  ? kthread_stop+0x900/0x900
[  338.546169]  ret_from_fork+0x3a/0x50
[  338.549910] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  338.549979] aoe: skb alloc failure
[  338.556846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.556851] Call Trace:
[  338.556858]  <IRQ>
[  338.556877]  dump_stack+0x244/0x39d
[  338.556896]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.560449] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.569792]  warn_alloc.cold.116+0xb7/0x1bd
[  338.572346] ksoftirqd/0 cpuset=/ mems_allowed=0
[  338.574495]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.607410]  ? lock_downgrade+0x900/0x900
[  338.611572]  ? trace_hardirqs_off+0xb8/0x310
[  338.615988]  ? trace_hardirqs_off+0xb8/0x310
[  338.620405]  __alloc_pages_slowpath+0x26e8/0x2e10
[  338.625285]  ? warn_alloc+0x120/0x120
[  338.629098]  ? print_usage_bug+0xc0/0xc0
[  338.633175]  ? warn_alloc+0x120/0x120
[  338.636987]  ? warn_alloc+0x120/0x120
[  338.640798]  ? print_usage_bug+0xc0/0xc0
[  338.644861]  ? kvm_clock_read+0x18/0x30
[  338.648839]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  338.653861]  ? print_usage_bug+0xc0/0xc0
[  338.657929]  ? __lock_acquire+0x62f/0x4c20
[  338.662173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.667715]  ? should_fail+0x22d/0xd01
[  338.671605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.676894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.682002]  ? __lock_acquire+0x62f/0x4c20
[  338.686245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.691352]  ? __lock_acquire+0x62f/0x4c20
[  338.695585]  ? should_fail+0x22d/0xd01
[  338.699508]  ? rcu_irq_exit+0x1a2/0x390
[  338.703496]  ? mark_held_locks+0x130/0x130
[  338.707741]  ? mark_held_locks+0x130/0x130
[  338.711987]  ? mark_held_locks+0xc7/0x130
[  338.716140]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  338.721163]  ? zap_class+0x640/0x640
[  338.724881]  ? print_usage_bug+0xc0/0xc0
[  338.728953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.734498]  ? check_preemption_disabled+0x48/0x280
[  338.739527]  ? __lock_is_held+0xb5/0x140
[  338.743652]  __alloc_pages_nodemask+0xa80/0xde0
[  338.748328]  ? zap_class+0x640/0x640
[  338.752051]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.757081]  ? find_held_lock+0x36/0x1c0
[  338.761168]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.765846]  ? lock_downgrade+0x900/0x900
[  338.770018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.775563]  cache_grow_begin+0xa5/0x8c0
[  338.779632]  ? do_raw_spin_unlock+0xa7/0x330
[  338.784051]  fallback_alloc+0x204/0x2e0
[  338.788053]  ____cache_alloc_node+0x1c7/0x1e0
[  338.792557]  kmem_cache_alloc_node+0xe3/0x730
[  338.797084]  ? ipv6_get_ifaddr+0x42e/0x620
[  338.801354]  __alloc_skb+0x119/0x770
[  338.805084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.810375]  ? netdev_alloc_frag+0x1f0/0x1f0
[  338.814787]  ? lock_downgrade+0x900/0x900
[  338.818956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.824507]  ? refcount_sub_and_test_checked+0x203/0x310
[  338.829965]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  338.835417]  ? addrconf_rs_timer+0x690/0x690
[  338.839842]  ndisc_alloc_skb+0x144/0x340
[  338.843924]  ndisc_send_rs+0x331/0x6e0
[  338.847817]  addrconf_rs_timer+0x314/0x690
[  338.852083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.856351]  call_timer_fn+0x272/0x920
[  338.860240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.864481]  ? process_timeout+0x40/0x40
[  338.868556]  ? __run_timers+0x7da/0xc70
[  338.872537]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.877063]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.881562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.885809]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.890397]  ? trace_hardirqs_on+0xbd/0x310
[  338.894721]  ? kasan_check_read+0x11/0x20
[  338.898873]  ? __run_timers+0x7da/0xc70
[  338.902853]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.907964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.912206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.916437]  __run_timers+0x7e5/0xc70
[  338.920259]  ? timer_fixup_init+0x70/0x70
[  338.924411]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.929431]  ? zap_class+0x640/0x640
[  338.933151]  ? enqueue_hrtimer+0x1a5/0x560
[  338.937390]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  338.942595]  ? find_held_lock+0x36/0x1c0
[  338.946667]  ? zap_class+0x640/0x640
[  338.950386]  ? pvclock_read_flags+0x160/0x160
[  338.954886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.960429]  ? check_preemption_disabled+0x48/0x280
[  338.965459]  ? __lock_is_held+0xb5/0x140
[  338.969526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.975064]  ? check_preemption_disabled+0x48/0x280
[  338.980090]  run_timer_softirq+0x52/0xb0
[  338.984175]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.989197]  __do_softirq+0x308/0xb7e
[  338.993003]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  338.997498]  ? lock_downgrade+0x900/0x900
[  339.001658]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.006770]  ? pvclock_read_flags+0x160/0x160
[  339.011269]  ? lapic_next_event+0x5a/0x90
[  339.015425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.020968]  ? kvm_clock_read+0x18/0x30
[  339.024943]  ? kvm_sched_clock_read+0x9/0x20
[  339.029368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.034907]  ? check_preemption_disabled+0x48/0x280
[  339.039947]  irq_exit+0x17f/0x1c0
[  339.043429]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.048272]  ? smp_reschedule_interrupt+0x109/0x650
[  339.053292]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.059180]  ? interrupt_entry+0xb5/0xc0
[  339.063254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.068269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.073294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.078145]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.083162]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.088189]  ? task_prio+0x50/0x50
[  339.091732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.097285]  ? check_preemption_disabled+0x48/0x280
[  339.102309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.107162]  apic_timer_interrupt+0xf/0x20
[  339.111388]  </IRQ>
[  339.113656] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.118624] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  339.137525] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  339.145230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.152500] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  339.159778] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  339.167046] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.174324] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  339.181643]  skb_clone+0x1bb/0x500
[  339.185193]  ? finish_task_switch+0x1b4/0x910
[  339.189706]  ? skb_split+0x11e0/0x11e0
[  339.193598]  ? preempt_notifier_register+0x200/0x200
[  339.198708]  ? __switch_to_asm+0x34/0x70
[  339.202777]  ? __switch_to_asm+0x34/0x70
[  339.206838]  ? __switch_to_asm+0x40/0x70
[  339.210898]  ? __switch_to_asm+0x34/0x70
[  339.214960]  ? __switch_to_asm+0x40/0x70
[  339.219021]  ? __switch_to_asm+0x34/0x70
[  339.223081]  ? __switch_to_asm+0x40/0x70
[  339.227154]  ? __switch_to_asm+0x34/0x70
[  339.231218]  ? __switch_to_asm+0x34/0x70
[  339.235290]  ? __switch_to_asm+0x40/0x70
[  339.239350]  ? __switch_to_asm+0x34/0x70
[  339.243420]  bpf_clone_redirect+0xb9/0x490
[  339.247654]  ? __schedule+0x8d7/0x21d0
[  339.251560]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  339.256580]  ? __sched_text_start+0x8/0x8
[  339.260734]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.265518]  ? find_held_lock+0x36/0x1c0
[  339.269605]  ? lock_acquire+0x1ed/0x520
[  339.273624]  ? bpf_test_run+0x3cb/0x780
[  339.277602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.283176]  ? check_preemption_disabled+0x48/0x280
[  339.288217]  ? kasan_check_read+0x11/0x20
[  339.292378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.297656]  ? rcu_softirq_qs+0x20/0x20
[  339.301648]  ? preempt_schedule+0x4d/0x60
[  339.305799]  ? ___preempt_schedule+0x16/0x18
[  339.310216]  ? bpf_test_run+0x25d/0x780
[  339.314203]  ? netlink_diag_dump+0x2a0/0x2a0
[  339.318614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.324167]  ? bpf_test_init.isra.10+0x70/0x100
[  339.328861]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  339.333650]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.338497]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  339.344035]  ? fput+0x130/0x1a0
[  339.347317]  ? __bpf_prog_get+0x9b/0x290
[  339.351403]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.356246]  ? bpf_prog_test_run+0x130/0x1a0
[  339.360677]  ? __x64_sys_bpf+0x3d8/0x520
[  339.364737]  ? bpf_prog_get+0x20/0x20
[  339.368563]  ? do_syscall_64+0x1b9/0x820
[  339.372631]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  339.377998]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.382930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.387780]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.392799]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  339.397832]  ? prepare_exit_to_usermode+0x291/0x3b0
[  339.402855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.407733]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  339.413117] warn_alloc_show_mem: 1 callbacks suppressed
[  339.413134] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  339.413136] Mem-Info:
[  339.413168] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  339.413168]  active_file:15 inactive_file:12 isolated_file:0
[  339.413168]  unevictable:0 dirty:0 writeback:0 unstable:0
[  339.413168]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  339.413168]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  339.413168]  free:13790 free_pcp:473 free_cma:0
[  339.418514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.424924] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  339.427323] Call Trace:
[  339.460363] 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
[  339.469742]  dump_stack+0x244/0x39d
[  339.497386] lowmem_reserve[]: 0 2818 6321 6321
[  339.499983]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.526087] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  339.529735]  warn_alloc.cold.116+0xb7/0x1bd
[  339.534288] lowmem_reserve[]: 0 0 3503 3503
[  339.539490]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.566997] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  339.571317]  ? lock_downgrade+0x900/0x900
[  339.575633] lowmem_reserve[]: 0 0 0 0
[  339.580490]  ? trace_hardirqs_off+0xb8/0x310
[  339.609617] 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
[  339.613772]  ? trace_hardirqs_off+0xb8/0x310
[  339.617547] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  339.621971]  __alloc_pages_slowpath+0x26e8/0x2e10
[  339.635465] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  339.639899]  ? warn_alloc+0x120/0x120
[  339.655204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  339.660039]  ? warn_alloc+0x120/0x120
[  339.675377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  339.679172]  ? warn_alloc+0x120/0x120
[  339.687985] 2571 total pagecache pages
[  339.691783]  ? print_usage_bug+0xc0/0xc0
[  339.700343] 0 pages in swap cache
[  339.704146]  ? print_usage_bug+0xc0/0xc0
[  339.708027] Swap cache stats: add 0, delete 0, find 0/0
[  339.712080]  ? mark_held_locks+0x130/0x130
[  339.715509] Free swap  = 0kB
[  339.719621]  ? mark_held_locks+0x130/0x130
[  339.724968] Total swap = 0kB
[  339.729202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.732198] 1965979 pages RAM
[  339.736429]  ? should_fail+0x22d/0xd01
[  339.739430] 0 pages HighMem/MovableOnly
[  339.744960]  ? zap_class+0x640/0x640
[  339.748058] 342855 pages reserved
[  339.751944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.755893] 0 pages cma reserved
[  339.755964] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.759611]  ? __lock_acquire+0x62f/0x4c20
[  339.763217] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.768153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.771498] syz-executor4 cpuset=syz4 mems_allowed=0
[  339.777989]  ? __lock_acquire+0x62f/0x4c20
[  339.807083]  ? should_fail+0x22d/0xd01
[  339.810997]  ? mark_held_locks+0x130/0x130
[  339.815238]  ? mark_held_locks+0x130/0x130
[  339.819474]  ? lock_downgrade+0x900/0x900
[  339.823626]  ? zap_class+0x640/0x640
[  339.827342]  ? zap_class+0x640/0x640
[  339.831077]  ? zap_class+0x640/0x640
[  339.834797]  ? do_raw_spin_unlock+0xa7/0x330
[  339.839209]  ? trace_hardirqs_on+0x310/0x310
[  339.843619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.849160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.854700]  ? check_preemption_disabled+0x48/0x280
[  339.859748]  ? __lock_is_held+0xb5/0x140
[  339.863814]  __alloc_pages_nodemask+0xa80/0xde0
[  339.868499]  ? zap_class+0x640/0x640
[  339.872226]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.877257]  ? find_held_lock+0x36/0x1c0
[  339.881334]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.886007]  ? lock_downgrade+0x900/0x900
[  339.890168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.895713]  cache_grow_begin+0xa5/0x8c0
[  339.899773]  ? do_raw_spin_unlock+0xa7/0x330
[  339.904188]  fallback_alloc+0x204/0x2e0
[  339.908193]  ____cache_alloc_node+0x1c7/0x1e0
[  339.912694]  kmem_cache_alloc_node+0xe3/0x730
[  339.917195]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.921790]  __alloc_skb+0x119/0x770
[  339.925508]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  339.930878]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.935296]  ? vprintk_default+0x28/0x30
[  339.939364]  ? vprintk_func+0x85/0x181
[  339.943260]  ? printk+0xa7/0xcf
[  339.946559]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  339.951327]  new_skb+0x26/0x1c0
[  339.954633]  aoecmd_cfg+0x279/0x7f0
[  339.958268]  ? find_held_lock+0x36/0x1c0
[  339.962338]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  339.966670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.972224]  ? __lock_is_held+0xb5/0x140
[  339.976302]  discover_timer+0x50/0x60
[  339.980110]  call_timer_fn+0x272/0x920
[  339.984009]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.988853]  ? process_timeout+0x40/0x40
[  339.992922]  ? __run_timers+0x7da/0xc70
[  339.996915]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.001413]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.005910]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.010754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.015338]  ? trace_hardirqs_on+0xbd/0x310
[  340.019662]  ? kasan_check_read+0x11/0x20
[  340.023813]  ? __run_timers+0x7da/0xc70
[  340.027793]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.032913]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.037754]  __run_timers+0x7e5/0xc70
[  340.041566]  ? timer_fixup_init+0x70/0x70
[  340.045721]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.050219]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.054722]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.059307]  ? trace_hardirqs_on+0xbd/0x310
[  340.063641]  ? kasan_check_read+0x11/0x20
[  340.067793]  ? finish_task_switch+0x1f4/0x910
[  340.072291]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.077411]  ? compat_start_thread+0x80/0x80
[  340.081843]  ? pvclock_read_flags+0x160/0x160
[  340.086356]  ? __switch_to_asm+0x34/0x70
[  340.090432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.095970]  ? check_preemption_disabled+0x48/0x280
[  340.100998]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  340.106538]  ? rcu_pm_notify+0xc0/0xc0
[  340.110430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.115972]  ? check_preemption_disabled+0x48/0x280
[  340.121008]  run_timer_softirq+0x52/0xb0
[  340.125068]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.130086]  __do_softirq+0x308/0xb7e
[  340.133903]  ? trace_hardirqs_on_caller+0xc0/0x310
[  340.138839]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.143953]  ? schedule+0x108/0x460
[  340.147592]  ? trace_hardirqs_off+0xb8/0x310
[  340.152002]  ? smpboot_thread_fn+0x68b/0xa00
[  340.156414]  ? trace_hardirqs_on+0x310/0x310
[  340.160823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.166381]  ? check_preemption_disabled+0x48/0x280
[  340.171401]  ? takeover_tasklets+0xa90/0xa90
[  340.175810]  run_ksoftirqd+0x5e/0x100
[  340.179612]  smpboot_thread_fn+0x68b/0xa00
[  340.183847]  ? sort_range+0x30/0x30
[  340.187474]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  340.192577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.198132]  ? __kthread_parkme+0xfb/0x1a0
[  340.202370]  ? sort_range+0x30/0x30
[  340.206005]  kthread+0x35a/0x440
[  340.209370]  ? kthread_stop+0x900/0x900
[  340.213348]  ret_from_fork+0x3a/0x50
[  340.217108] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  340.217187] aoe: skb alloc failure
[  340.224039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.224048] Call Trace:
[  340.227637] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.236924]  <IRQ>
[  340.239494] ksoftirqd/0 cpuset=/ mems_allowed=0
[  340.249812]  dump_stack+0x244/0x39d
[  340.260234]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.265451]  warn_alloc.cold.116+0xb7/0x1bd
[  340.269779]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.274634]  ? lock_downgrade+0x900/0x900
[  340.278795]  ? trace_hardirqs_off+0xb8/0x310
[  340.283211]  ? trace_hardirqs_off+0xb8/0x310
[  340.287638]  __alloc_pages_slowpath+0x26e8/0x2e10
[  340.292543]  ? warn_alloc+0x120/0x120
[  340.296552]  ? print_usage_bug+0xc0/0xc0
[  340.300626]  ? warn_alloc+0x120/0x120
[  340.304434]  ? warn_alloc+0x120/0x120
[  340.308248]  ? print_usage_bug+0xc0/0xc0
[  340.312315]  ? print_usage_bug+0xc0/0xc0
[  340.316408]  ? __lock_acquire+0x62f/0x4c20
[  340.320681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.326238]  ? should_fail+0x22d/0xd01
[  340.330322]  ? __lock_acquire+0x62f/0x4c20
[  340.334576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.339680]  ? __lock_acquire+0x62f/0x4c20
[  340.343922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.349024]  ? __lock_acquire+0x62f/0x4c20
[  340.353262]  ? should_fail+0x22d/0xd01
[  340.357165]  ? mark_held_locks+0x130/0x130
[  340.361409]  ? mark_held_locks+0x130/0x130
[  340.365649]  ? try_to_wake_up+0x11c/0x1490
[  340.369890]  ? lock_downgrade+0x900/0x900
[  340.374042]  ? zap_class+0x640/0x640
[  340.377759]  ? print_usage_bug+0xc0/0xc0
[  340.381841]  ? trace_hardirqs_off+0xb8/0x310
[  340.386251]  ? kasan_check_read+0x11/0x20
[  340.390406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.395965]  ? check_preemption_disabled+0x48/0x280
[  340.400994]  ? __lock_is_held+0xb5/0x140
[  340.405063]  __alloc_pages_nodemask+0xa80/0xde0
[  340.409733]  ? zap_class+0x640/0x640
[  340.413456]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.418491]  ? find_held_lock+0x36/0x1c0
[  340.422578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.427252]  ? lock_downgrade+0x900/0x900
[  340.431412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.437482]  cache_grow_begin+0xa5/0x8c0
[  340.441548]  ? do_raw_spin_unlock+0xa7/0x330
[  340.445966]  fallback_alloc+0x204/0x2e0
[  340.449946]  ____cache_alloc_node+0x1c7/0x1e0
[  340.454451]  kmem_cache_alloc_node+0xe3/0x730
[  340.458945]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.463196]  __alloc_skb+0x119/0x770
[  340.466916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.472200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.476655]  ? lock_downgrade+0x900/0x900
[  340.480818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.486376]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.491833]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.497298]  ? addrconf_rs_timer+0x690/0x690
[  340.501732]  ndisc_alloc_skb+0x144/0x340
[  340.505816]  ndisc_send_rs+0x331/0x6e0
[  340.509724]  addrconf_rs_timer+0x314/0x690
[  340.513969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.518222]  call_timer_fn+0x272/0x920
[  340.522120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.526360]  ? process_timeout+0x40/0x40
[  340.530434]  ? __run_timers+0x7da/0xc70
[  340.534415]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.538923]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.543423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.547659]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.552259]  ? trace_hardirqs_on+0xbd/0x310
[  340.556596]  ? kasan_check_read+0x11/0x20
[  340.560748]  ? __run_timers+0x7da/0xc70
[  340.564727]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.569846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.574079]  __run_timers+0x7e5/0xc70
[  340.577899]  ? timer_fixup_init+0x70/0x70
[  340.582052]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.587068]  ? zap_class+0x640/0x640
[  340.590785]  ? enqueue_hrtimer+0x1a5/0x560
[  340.595025]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.600256]  ? find_held_lock+0x36/0x1c0
[  340.604339]  ? zap_class+0x640/0x640
[  340.608060]  ? pvclock_read_flags+0x160/0x160
[  340.612560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.618101]  ? check_preemption_disabled+0x48/0x280
[  340.623156]  ? __lock_is_held+0xb5/0x140
[  340.627232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.632773]  ? check_preemption_disabled+0x48/0x280
[  340.637796]  run_timer_softirq+0x52/0xb0
[  340.641884]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.646904]  __do_softirq+0x308/0xb7e
[  340.650717]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  340.655213]  ? lock_downgrade+0x900/0x900
[  340.659366]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.664488]  ? pvclock_read_flags+0x160/0x160
[  340.668992]  ? lapic_next_event+0x5a/0x90
[  340.673147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.678693]  ? kvm_clock_read+0x18/0x30
[  340.682672]  ? kvm_sched_clock_read+0x9/0x20
[  340.687086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.692636]  ? check_preemption_disabled+0x48/0x280
[  340.697664]  irq_exit+0x17f/0x1c0
[  340.701125]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.705973]  ? smp_reschedule_interrupt+0x109/0x650
[  340.710990]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.716880]  ? interrupt_entry+0xb5/0xc0
[  340.720944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.725966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.730989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.735838]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.740852]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.745888]  ? task_prio+0x50/0x50
[  340.749450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.755005]  ? check_preemption_disabled+0x48/0x280
[  340.760031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.764886]  apic_timer_interrupt+0xf/0x20
[  340.769120]  </IRQ>
[  340.771361] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  340.776297] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  340.795199] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  340.802944] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  340.810223] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  340.817489] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  340.824757] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  340.832024] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  340.839352]  skb_clone+0x1bb/0x500
[  340.842894]  ? finish_task_switch+0x1b4/0x910
[  340.847390]  ? skb_split+0x11e0/0x11e0
[  340.851281]  ? preempt_notifier_register+0x200/0x200
[  340.856383]  ? __switch_to_asm+0x34/0x70
[  340.860458]  ? __switch_to_asm+0x34/0x70
[  340.864520]  ? __switch_to_asm+0x40/0x70
[  340.868583]  ? __switch_to_asm+0x34/0x70
[  340.872664]  ? __switch_to_asm+0x40/0x70
[  340.876725]  ? __switch_to_asm+0x34/0x70
[  340.880787]  ? __switch_to_asm+0x40/0x70
[  340.884849]  ? __switch_to_asm+0x34/0x70
[  340.888914]  ? __switch_to_asm+0x34/0x70
[  340.893001]  ? __switch_to_asm+0x40/0x70
[  340.897101]  ? __switch_to_asm+0x34/0x70
[  340.901185]  bpf_clone_redirect+0xb9/0x490
[  340.905422]  ? __schedule+0x8d7/0x21d0
[  340.909320]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  340.914340]  ? __sched_text_start+0x8/0x8
[  340.918489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  340.923262]  ? find_held_lock+0x36/0x1c0
[  340.927356]  ? lock_acquire+0x1ed/0x520
[  340.931339]  ? bpf_test_run+0x3cb/0x780
[  340.935318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.940862]  ? check_preemption_disabled+0x48/0x280
[  340.945888]  ? kasan_check_read+0x11/0x20
[  340.950037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.955314]  ? rcu_softirq_qs+0x20/0x20
[  340.959290]  ? preempt_schedule+0x4d/0x60
[  340.963443]  ? ___preempt_schedule+0x16/0x18
[  340.967864]  ? bpf_test_run+0x25d/0x780
[  340.971853]  ? netlink_diag_dump+0x2a0/0x2a0
[  340.976271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.981822]  ? bpf_test_init.isra.10+0x70/0x100
[  340.986498]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  340.991269]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  340.996122]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  341.001684]  ? fput+0x130/0x1a0
[  341.004992]  ? __bpf_prog_get+0x9b/0x290
[  341.009066]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.013948]  ? bpf_prog_test_run+0x130/0x1a0
[  341.018374]  ? __x64_sys_bpf+0x3d8/0x520
[  341.022438]  ? bpf_prog_get+0x20/0x20
[  341.026263]  ? do_syscall_64+0x1b9/0x820
[  341.030343]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  341.035713]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.040645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.045510]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.050531]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  341.055555]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.060583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.065442]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  341.070828] warn_alloc_show_mem: 1 callbacks suppressed
[  341.070839] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  341.070841] Mem-Info:
[  341.070872] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  341.070872]  active_file:15 inactive_file:12 isolated_file:0
[  341.070872]  unevictable:0 dirty:0 writeback:0 unstable:0
[  341.070872]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  341.070872]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  341.070872]  free:13790 free_pcp:473 free_cma:0
[  341.076220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.082635] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  341.085055] Call Trace:
[  341.118097] 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
[  341.127461]  dump_stack+0x244/0x39d
[  341.155113] lowmem_reserve[]: 0 2818 6321 6321
[  341.157706]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.183792] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  341.187431]  warn_alloc.cold.116+0xb7/0x1bd
[  341.191993] lowmem_reserve[]: 0 0 3503 3503
[  341.197198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.224686] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  341.229017]  ? lock_downgrade+0x900/0x900
[  341.233318] lowmem_reserve[]: 0 0 0 0
[  341.238189]  ? trace_hardirqs_off+0xb8/0x310
[  341.267313] 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
[  341.271477]  ? trace_hardirqs_off+0xb8/0x310
[  341.275255] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  341.279664]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.293164] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  341.297594]  ? warn_alloc+0x120/0x120
[  341.312904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  341.317749]  ? warn_alloc+0x120/0x120
[  341.333084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  341.336886]  ? warn_alloc+0x120/0x120
[  341.345698] 2571 total pagecache pages
[  341.349507]  ? print_usage_bug+0xc0/0xc0
[  341.358066] 0 pages in swap cache
[  341.361861]  ? print_usage_bug+0xc0/0xc0
[  341.365727] Swap cache stats: add 0, delete 0, find 0/0
[  341.369781]  ? mark_held_locks+0x130/0x130
[  341.373216] Free swap  = 0kB
[  341.377271]  ? mark_held_locks+0x130/0x130
[  341.382611] Total swap = 0kB
[  341.386840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.389834] 1965979 pages RAM
[  341.394079]  ? should_fail+0x22d/0xd01
[  341.397090] 0 pages HighMem/MovableOnly
[  341.402639]  ? zap_class+0x640/0x640
[  341.405726] 342855 pages reserved
[  341.409605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.413564] 0 pages cma reserved
[  341.417273]  ? __lock_acquire+0x62f/0x4c20
[  341.420765] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  341.425813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.425826]  ? __lock_acquire+0x62f/0x4c20
[  341.425838]  ? should_fail+0x22d/0xd01
[  341.425874]  ? mark_held_locks+0x130/0x130
[  341.429272] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.433455]  ? mark_held_locks+0x130/0x130
[  341.439939] syz-executor4 cpuset=syz4 mems_allowed=0
[  341.445041]  ? lock_downgrade+0x900/0x900
[  341.481304]  ? zap_class+0x640/0x640
[  341.485030]  ? zap_class+0x640/0x640
[  341.488742]  ? do_raw_spin_unlock+0xa7/0x330
[  341.493160]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.497919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.503462]  ? check_preemption_disabled+0x48/0x280
[  341.508490]  ? __lock_is_held+0xb5/0x140
[  341.512571]  __alloc_pages_nodemask+0xa80/0xde0
[  341.517243]  ? zap_class+0x640/0x640
[  341.520962]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.525988]  ? find_held_lock+0x36/0x1c0
[  341.530060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.534733]  ? lock_downgrade+0x900/0x900
[  341.538889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.544430]  cache_grow_begin+0xa5/0x8c0
[  341.548490]  ? do_raw_spin_unlock+0xa7/0x330
[  341.552934]  fallback_alloc+0x204/0x2e0
[  341.556916]  ____cache_alloc_node+0x1c7/0x1e0
[  341.561418]  kmem_cache_alloc_node+0xe3/0x730
[  341.565915]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.570509]  __alloc_skb+0x119/0x770
[  341.574224]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  341.579597]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.584021]  ? vprintk_default+0x28/0x30
[  341.588085]  ? vprintk_func+0x85/0x181
[  341.592017]  ? printk+0xa7/0xcf
[  341.595314]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  341.600093]  new_skb+0x26/0x1c0
[  341.603390]  aoecmd_cfg+0x279/0x7f0
[  341.607022]  ? find_held_lock+0x36/0x1c0
[  341.611098]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  341.615452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.621003]  ? __lock_is_held+0xb5/0x140
[  341.625077]  discover_timer+0x50/0x60
[  341.628885]  call_timer_fn+0x272/0x920
[  341.632774]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.637616]  ? process_timeout+0x40/0x40
[  341.641685]  ? __run_timers+0x7da/0xc70
[  341.645665]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.650167]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.654687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.659534]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.664136]  ? trace_hardirqs_on+0xbd/0x310
[  341.668461]  ? kasan_check_read+0x11/0x20
[  341.672607]  ? __run_timers+0x7da/0xc70
[  341.676610]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.681730]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.686587]  __run_timers+0x7e5/0xc70
[  341.690403]  ? timer_fixup_init+0x70/0x70
[  341.694556]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.699067]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.703565]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.708152]  ? trace_hardirqs_on+0xbd/0x310
[  341.712476]  ? kasan_check_read+0x11/0x20
[  341.716628]  ? finish_task_switch+0x1f4/0x910
[  341.721137]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.726244]  ? compat_start_thread+0x80/0x80
[  341.730677]  ? pvclock_read_flags+0x160/0x160
[  341.735176]  ? __switch_to_asm+0x34/0x70
[  341.739246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.744788]  ? check_preemption_disabled+0x48/0x280
[  341.749817]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  341.755362]  ? rcu_pm_notify+0xc0/0xc0
[  341.759254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.764794]  ? check_preemption_disabled+0x48/0x280
[  341.769816]  run_timer_softirq+0x52/0xb0
[  341.773880]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.778895]  __do_softirq+0x308/0xb7e
[  341.782715]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.787654]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.792766]  ? schedule+0x108/0x460
[  341.796422]  ? trace_hardirqs_off+0xb8/0x310
[  341.800831]  ? smpboot_thread_fn+0x68b/0xa00
[  341.805242]  ? trace_hardirqs_on+0x310/0x310
[  341.809656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.815210]  ? check_preemption_disabled+0x48/0x280
[  341.820227]  ? takeover_tasklets+0xa90/0xa90
[  341.824636]  run_ksoftirqd+0x5e/0x100
[  341.828438]  smpboot_thread_fn+0x68b/0xa00
[  341.832677]  ? sort_range+0x30/0x30
[  341.836306]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  341.841416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.846957]  ? __kthread_parkme+0xfb/0x1a0
[  341.851196]  ? sort_range+0x30/0x30
[  341.854827]  kthread+0x35a/0x440
[  341.858200]  ? kthread_stop+0x900/0x900
[  341.862182]  ret_from_fork+0x3a/0x50
[  341.865918] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  341.865985] aoe: skb alloc failure
[  341.872852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.872861] Call Trace:
[  341.876454] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.885764]  <IRQ>
[  341.888350] ksoftirqd/0 cpuset=/ mems_allowed=0
[  341.898670]  dump_stack+0x244/0x39d
[  341.909120]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.914329]  warn_alloc.cold.116+0xb7/0x1bd
[  341.918661]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.923527]  ? lock_downgrade+0x900/0x900
[  341.927688]  ? trace_hardirqs_off+0xb8/0x310
[  341.932115]  ? trace_hardirqs_off+0xb8/0x310
[  341.936539]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.941415]  ? warn_alloc+0x120/0x120
[  341.945221]  ? print_usage_bug+0xc0/0xc0
[  341.949284]  ? warn_alloc+0x120/0x120
[  341.953094]  ? warn_alloc+0x120/0x120
[  341.956900]  ? print_usage_bug+0xc0/0xc0
[  341.960966]  ? print_usage_bug+0xc0/0xc0
[  341.965034]  ? __lock_acquire+0x62f/0x4c20
[  341.969276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.974825]  ? should_fail+0x22d/0xd01
[  341.978733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.983867]  ? __lock_acquire+0x62f/0x4c20
[  341.988108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.993213]  ? __lock_acquire+0x62f/0x4c20
[  341.997458]  ? should_fail+0x22d/0xd01
[  342.001364]  ? find_held_lock+0x36/0x1c0
[  342.005440]  ? mark_held_locks+0x130/0x130
[  342.009696]  ? mark_held_locks+0x130/0x130
[  342.013930]  ? zap_class+0x640/0x640
[  342.017650]  ? zap_class+0x640/0x640
[  342.021370]  ? print_usage_bug+0xc0/0xc0
[  342.025434]  ? do_raw_spin_unlock+0xa7/0x330
[  342.029842]  ? zap_class+0x640/0x640
[  342.033558]  ? print_usage_bug+0xc0/0xc0
[  342.037622]  ? wq_watchdog_touch+0x9c/0xfe
[  342.041865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.047406]  ? check_preemption_disabled+0x48/0x280
[  342.052458]  ? __lock_is_held+0xb5/0x140
[  342.056545]  __alloc_pages_nodemask+0xa80/0xde0
[  342.061217]  ? zap_class+0x640/0x640
[  342.064936]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.069966]  ? find_held_lock+0x36/0x1c0
[  342.074044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.078720]  ? lock_downgrade+0x900/0x900
[  342.082878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.088428]  cache_grow_begin+0xa5/0x8c0
[  342.092491]  ? do_raw_spin_unlock+0xa7/0x330
[  342.096925]  fallback_alloc+0x204/0x2e0
[  342.100909]  ____cache_alloc_node+0x1c7/0x1e0
[  342.105428]  kmem_cache_alloc_node+0xe3/0x730
[  342.109950]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.114199]  __alloc_skb+0x119/0x770
[  342.117915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.123200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.127631]  ? lock_downgrade+0x900/0x900
[  342.131792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.137333]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.142794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.148250]  ? addrconf_rs_timer+0x690/0x690
[  342.152672]  ndisc_alloc_skb+0x144/0x340
[  342.156754]  ndisc_send_rs+0x331/0x6e0
[  342.160651]  addrconf_rs_timer+0x314/0x690
[  342.164895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.169140]  call_timer_fn+0x272/0x920
[  342.173035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.177269]  ? process_timeout+0x40/0x40
[  342.181354]  ? __run_timers+0x7da/0xc70
[  342.185343]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.189843]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.194338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.198574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.203160]  ? trace_hardirqs_on+0xbd/0x310
[  342.207485]  ? kasan_check_read+0x11/0x20
[  342.211637]  ? __run_timers+0x7da/0xc70
[  342.215625]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.220737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.224981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.229236]  __run_timers+0x7e5/0xc70
[  342.233047]  ? timer_fixup_init+0x70/0x70
[  342.237201]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.242232]  ? zap_class+0x640/0x640
[  342.245951]  ? enqueue_hrtimer+0x1a5/0x560
[  342.250192]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.255396]  ? find_held_lock+0x36/0x1c0
[  342.259468]  ? zap_class+0x640/0x640
[  342.263247]  ? pvclock_read_flags+0x160/0x160
[  342.267749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.273290]  ? check_preemption_disabled+0x48/0x280
[  342.278320]  ? __lock_is_held+0xb5/0x140
[  342.282422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.287989]  ? check_preemption_disabled+0x48/0x280
[  342.293043]  run_timer_softirq+0x52/0xb0
[  342.297103]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.302134]  __do_softirq+0x308/0xb7e
[  342.305956]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.310467]  ? lock_downgrade+0x900/0x900
[  342.314638]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.319752]  ? pvclock_read_flags+0x160/0x160
[  342.324251]  ? lapic_next_event+0x5a/0x90
[  342.328644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.334192]  ? kvm_clock_read+0x18/0x30
[  342.338192]  ? kvm_sched_clock_read+0x9/0x20
[  342.342637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.348180]  ? check_preemption_disabled+0x48/0x280
[  342.353211]  irq_exit+0x17f/0x1c0
[  342.356667]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.361509]  ? smp_reschedule_interrupt+0x109/0x650
[  342.366700]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.372589]  ? interrupt_entry+0xb5/0xc0
[  342.376657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.381694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.386745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.391594]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.396615]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.401670]  ? task_prio+0x50/0x50
[  342.405220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.410760]  ? check_preemption_disabled+0x48/0x280
[  342.415802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.420672]  apic_timer_interrupt+0xf/0x20
[  342.424902]  </IRQ>
[  342.427144] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.432078] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  342.451376] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.459087] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.466368] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  342.473654] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  342.480920] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.488189] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  342.495499]  skb_clone+0x1bb/0x500
[  342.499043]  ? finish_task_switch+0x1b4/0x910
[  342.503545]  ? skb_split+0x11e0/0x11e0
[  342.507437]  ? preempt_notifier_register+0x200/0x200
[  342.512545]  ? __switch_to_asm+0x34/0x70
[  342.516613]  ? __switch_to_asm+0x34/0x70
[  342.520681]  ? __switch_to_asm+0x40/0x70
[  342.524746]  ? __switch_to_asm+0x34/0x70
[  342.528819]  ? __switch_to_asm+0x40/0x70
[  342.532892]  ? __switch_to_asm+0x34/0x70
[  342.536953]  ? __switch_to_asm+0x40/0x70
[  342.541015]  ? __switch_to_asm+0x34/0x70
[  342.545084]  ? __switch_to_asm+0x34/0x70
[  342.549152]  ? __switch_to_asm+0x40/0x70
[  342.553215]  ? __switch_to_asm+0x34/0x70
[  342.557287]  bpf_clone_redirect+0xb9/0x490
[  342.561525]  ? __schedule+0x8d7/0x21d0
[  342.565449]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  342.570470]  ? __sched_text_start+0x8/0x8
[  342.574627]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.579402]  ? find_held_lock+0x36/0x1c0
[  342.583475]  ? lock_acquire+0x1ed/0x520
[  342.587453]  ? bpf_test_run+0x3cb/0x780
[  342.591435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.596978]  ? check_preemption_disabled+0x48/0x280
[  342.602004]  ? kasan_check_read+0x11/0x20
[  342.606155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.611520]  ? rcu_softirq_qs+0x20/0x20
[  342.615496]  ? preempt_schedule+0x4d/0x60
[  342.619651]  ? ___preempt_schedule+0x16/0x18
[  342.624069]  ? bpf_test_run+0x25d/0x780
[  342.628070]  ? netlink_diag_dump+0x2a0/0x2a0
[  342.632491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.638050]  ? bpf_test_init.isra.10+0x70/0x100
[  342.642729]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  342.647500]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.652348]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.657886]  ? fput+0x130/0x1a0
[  342.661173]  ? __bpf_prog_get+0x9b/0x290
[  342.665245]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.670087]  ? bpf_prog_test_run+0x130/0x1a0
[  342.674510]  ? __x64_sys_bpf+0x3d8/0x520
[  342.678578]  ? bpf_prog_get+0x20/0x20
[  342.682406]  ? do_syscall_64+0x1b9/0x820
[  342.686473]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  342.691840]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.696772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.701629]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.706653]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  342.711693]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.716734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.721603]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  342.727020] warn_alloc_show_mem: 1 callbacks suppressed
[  342.727032] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  342.727034] Mem-Info:
[  342.727066] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  342.727066]  active_file:15 inactive_file:12 isolated_file:0
[  342.727066]  unevictable:0 dirty:0 writeback:0 unstable:0
[  342.727066]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  342.727066]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  342.727066]  free:13790 free_pcp:473 free_cma:0
[  342.732409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.738830] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  342.741230] Call Trace:
[  342.774271] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  342.783628]  dump_stack+0x244/0x39d
[  342.811282] lowmem_reserve[]: 0 2818 6321 6321
[  342.813867]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.839956] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  342.843620]  warn_alloc.cold.116+0xb7/0x1bd
[  342.848177] lowmem_reserve[]: 0 0 3503 3503
[  342.853381]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.880869] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  342.885191]  ? lock_downgrade+0x900/0x900
[  342.889483] lowmem_reserve[]: 0 0 0 0
[  342.894338]  ? trace_hardirqs_off+0xb8/0x310
[  342.923460] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  342.927654]  ? trace_hardirqs_off+0xb8/0x310
[  342.931431] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  342.935842]  __alloc_pages_slowpath+0x26e8/0x2e10
[  342.949337] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  342.953766]  ? warn_alloc+0x120/0x120
[  342.969075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  342.973913]  ? warn_alloc+0x120/0x120
[  342.989256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  342.993057]  ? warn_alloc+0x120/0x120
[  343.001872] 2571 total pagecache pages
[  343.005690]  ? print_usage_bug+0xc0/0xc0
[  343.014251] 0 pages in swap cache
[  343.018044]  ? print_usage_bug+0xc0/0xc0
[  343.021912] Swap cache stats: add 0, delete 0, find 0/0
[  343.025969]  ? mark_held_locks+0x130/0x130
[  343.029408] Free swap  = 0kB
[  343.033463]  ? mark_held_locks+0x130/0x130
[  343.038811] Total swap = 0kB
[  343.043047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.046046] 1965979 pages RAM
[  343.050277]  ? should_fail+0x22d/0xd01
[  343.053277] 0 pages HighMem/MovableOnly
[  343.058812]  ? zap_class+0x640/0x640
[  343.061894] 342855 pages reserved
[  343.065778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.069744] 0 pages cma reserved
[  343.073454]  ? __lock_acquire+0x62f/0x4c20
[  343.076946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.081980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.085415] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.089561]  ? __lock_acquire+0x62f/0x4c20
[  343.096030] syz-executor4 cpuset=syz4 mems_allowed=0
[  343.101134]  ? should_fail+0x22d/0xd01
[  343.124796]  ? mark_held_locks+0x130/0x130
[  343.129036]  ? mark_held_locks+0x130/0x130
[  343.133273]  ? lock_downgrade+0x900/0x900
[  343.137423]  ? zap_class+0x640/0x640
[  343.141148]  ? zap_class+0x640/0x640
[  343.144861]  ? do_raw_spin_unlock+0xa7/0x330
[  343.149285]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.154046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.159585]  ? check_preemption_disabled+0x48/0x280
[  343.164616]  ? __lock_is_held+0xb5/0x140
[  343.168692]  __alloc_pages_nodemask+0xa80/0xde0
[  343.173363]  ? zap_class+0x640/0x640
[  343.177085]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.182126]  ? find_held_lock+0x36/0x1c0
[  343.186205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.190877]  ? lock_downgrade+0x900/0x900
[  343.195039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.200584]  cache_grow_begin+0xa5/0x8c0
[  343.204650]  ? do_raw_spin_unlock+0xa7/0x330
[  343.209071]  fallback_alloc+0x204/0x2e0
[  343.213078]  ____cache_alloc_node+0x1c7/0x1e0
[  343.217585]  kmem_cache_alloc_node+0xe3/0x730
[  343.222083]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.226678]  __alloc_skb+0x119/0x770
[  343.230396]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  343.235776]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.240198]  ? vprintk_default+0x28/0x30
[  343.244295]  ? vprintk_func+0x85/0x181
[  343.248188]  ? printk+0xa7/0xcf
[  343.251468]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  343.256236]  new_skb+0x26/0x1c0
[  343.259516]  aoecmd_cfg+0x279/0x7f0
[  343.263155]  ? find_held_lock+0x36/0x1c0
[  343.267224]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  343.271553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.277114]  ? __lock_is_held+0xb5/0x140
[  343.281223]  discover_timer+0x50/0x60
[  343.285040]  call_timer_fn+0x272/0x920
[  343.288937]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.293786]  ? process_timeout+0x40/0x40
[  343.297872]  ? __run_timers+0x7da/0xc70
[  343.301866]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.306364]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.310858]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.315728]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.320317]  ? trace_hardirqs_on+0xbd/0x310
[  343.324637]  ? kasan_check_read+0x11/0x20
[  343.329336]  ? __run_timers+0x7da/0xc70
[  343.333331]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.338452]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.343299]  __run_timers+0x7e5/0xc70
[  343.347126]  ? timer_fixup_init+0x70/0x70
[  343.351280]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.355777]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.360279]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.364865]  ? trace_hardirqs_on+0xbd/0x310
[  343.369187]  ? kasan_check_read+0x11/0x20
[  343.373339]  ? finish_task_switch+0x1f4/0x910
[  343.377837]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.382955]  ? compat_start_thread+0x80/0x80
[  343.387394]  ? pvclock_read_flags+0x160/0x160
[  343.391892]  ? __switch_to_asm+0x34/0x70
[  343.395957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.401518]  ? check_preemption_disabled+0x48/0x280
[  343.406552]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  343.412092]  ? rcu_pm_notify+0xc0/0xc0
[  343.415994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.421542]  ? check_preemption_disabled+0x48/0x280
[  343.426573]  run_timer_softirq+0x52/0xb0
[  343.430648]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.435667]  __do_softirq+0x308/0xb7e
[  343.439481]  ? trace_hardirqs_on_caller+0xc0/0x310
[  343.444435]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.449550]  ? schedule+0x108/0x460
[  343.453190]  ? trace_hardirqs_off+0xb8/0x310
[  343.457617]  ? smpboot_thread_fn+0x68b/0xa00
[  343.462026]  ? trace_hardirqs_on+0x310/0x310
[  343.466437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.471977]  ? check_preemption_disabled+0x48/0x280
[  343.476997]  ? takeover_tasklets+0xa90/0xa90
[  343.481408]  run_ksoftirqd+0x5e/0x100
[  343.485212]  smpboot_thread_fn+0x68b/0xa00
[  343.489455]  ? sort_range+0x30/0x30
[  343.493086]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.498200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.503742]  ? __kthread_parkme+0xfb/0x1a0
[  343.507981]  ? sort_range+0x30/0x30
[  343.511609]  kthread+0x35a/0x440
[  343.514977]  ? kthread_stop+0x900/0x900
[  343.518973]  ret_from_fork+0x3a/0x50
[  343.522708] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  343.522778] aoe: skb alloc failure
[  343.529643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.529649] Call Trace:
[  343.529655]  <IRQ>
[  343.529674]  dump_stack+0x244/0x39d
[  343.529693]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.533243] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.542626]  warn_alloc.cold.116+0xb7/0x1bd
[  343.545175] ksoftirqd/0 cpuset=/ mems_allowed=0
[  343.547326]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.580217]  ? lock_downgrade+0x900/0x900
[  343.584375]  ? trace_hardirqs_off+0xb8/0x310
[  343.588793]  ? trace_hardirqs_off+0xb8/0x310
[  343.593225]  __alloc_pages_slowpath+0x26e8/0x2e10
[  343.598100]  ? warn_alloc+0x120/0x120
[  343.601906]  ? print_usage_bug+0xc0/0xc0
[  343.605973]  ? warn_alloc+0x120/0x120
[  343.609781]  ? warn_alloc+0x120/0x120
[  343.613598]  ? print_usage_bug+0xc0/0xc0
[  343.617676]  ? kvm_clock_read+0x18/0x30
[  343.621656]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  343.626678]  ? print_usage_bug+0xc0/0xc0
[  343.630744]  ? __lock_acquire+0x62f/0x4c20
[  343.634984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.640526]  ? should_fail+0x22d/0xd01
[  343.644415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.649701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.654809]  ? __lock_acquire+0x62f/0x4c20
[  343.659052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.664160]  ? __lock_acquire+0x62f/0x4c20
[  343.668399]  ? should_fail+0x22d/0xd01
[  343.672287]  ? rcu_irq_exit+0x1a2/0x390
[  343.676290]  ? mark_held_locks+0x130/0x130
[  343.680530]  ? mark_held_locks+0x130/0x130
[  343.684785]  ? mark_held_locks+0xc7/0x130
[  343.688937]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  343.693958]  ? zap_class+0x640/0x640
[  343.697688]  ? print_usage_bug+0xc0/0xc0
[  343.701757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.707299]  ? check_preemption_disabled+0x48/0x280
[  343.712333]  ? __lock_is_held+0xb5/0x140
[  343.716405]  __alloc_pages_nodemask+0xa80/0xde0
[  343.721075]  ? zap_class+0x640/0x640
[  343.724795]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.729826]  ? find_held_lock+0x36/0x1c0
[  343.733902]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.738587]  ? lock_downgrade+0x900/0x900
[  343.742750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.748296]  cache_grow_begin+0xa5/0x8c0
[  343.752360]  ? do_raw_spin_unlock+0xa7/0x330
[  343.756781]  fallback_alloc+0x204/0x2e0
[  343.760789]  ____cache_alloc_node+0x1c7/0x1e0
[  343.765329]  kmem_cache_alloc_node+0xe3/0x730
[  343.769826]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.774072]  __alloc_skb+0x119/0x770
[  343.777787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.783069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.787481]  ? lock_downgrade+0x900/0x900
[  343.791664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.797200]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.802655]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.808107]  ? addrconf_rs_timer+0x690/0x690
[  343.812533]  ndisc_alloc_skb+0x144/0x340
[  343.816599]  ndisc_send_rs+0x331/0x6e0
[  343.820501]  addrconf_rs_timer+0x314/0x690
[  343.824741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.828989]  call_timer_fn+0x272/0x920
[  343.832876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.837111]  ? process_timeout+0x40/0x40
[  343.841217]  ? __run_timers+0x7da/0xc70
[  343.845200]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.849696]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.854193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.858442]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.863032]  ? trace_hardirqs_on+0xbd/0x310
[  343.867354]  ? kasan_check_read+0x11/0x20
[  343.871502]  ? __run_timers+0x7da/0xc70
[  343.875483]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.880595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.884845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.889082]  __run_timers+0x7e5/0xc70
[  343.892896]  ? timer_fixup_init+0x70/0x70
[  343.897060]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.902093]  ? zap_class+0x640/0x640
[  343.905828]  ? enqueue_hrtimer+0x1a5/0x560
[  343.910072]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  343.915275]  ? find_held_lock+0x36/0x1c0
[  343.919346]  ? zap_class+0x640/0x640
[  343.923072]  ? pvclock_read_flags+0x160/0x160
[  343.927574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.933115]  ? check_preemption_disabled+0x48/0x280
[  343.938150]  ? __lock_is_held+0xb5/0x140
[  343.942218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.947780]  ? check_preemption_disabled+0x48/0x280
[  343.952804]  run_timer_softirq+0x52/0xb0
[  343.956869]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.961889]  __do_softirq+0x308/0xb7e
[  343.965700]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.970196]  ? lock_downgrade+0x900/0x900
[  343.974351]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.979469]  ? pvclock_read_flags+0x160/0x160
[  343.983984]  ? lapic_next_event+0x5a/0x90
[  343.988136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.993684]  ? kvm_clock_read+0x18/0x30
[  343.997664]  ? kvm_sched_clock_read+0x9/0x20
[  344.002075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.007616]  ? check_preemption_disabled+0x48/0x280
[  344.012656]  irq_exit+0x17f/0x1c0
[  344.016113]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.020957]  ? smp_reschedule_interrupt+0x109/0x650
[  344.025978]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.031869]  ? interrupt_entry+0xb5/0xc0
[  344.035935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.040953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.045972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.050821]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.055839]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.060860]  ? task_prio+0x50/0x50
[  344.064408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.069954]  ? check_preemption_disabled+0x48/0x280
[  344.074983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.079839]  apic_timer_interrupt+0xf/0x20
[  344.084069]  </IRQ>
[  344.086317] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  344.091250] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  344.110159] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.117892] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.125164] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  344.132461] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  344.139738] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  344.147010] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  344.154332]  skb_clone+0x1bb/0x500
[  344.157882]  ? finish_task_switch+0x1b4/0x910
[  344.162384]  ? skb_split+0x11e0/0x11e0
[  344.166278]  ? preempt_notifier_register+0x200/0x200
[  344.171384]  ? __switch_to_asm+0x34/0x70
[  344.175447]  ? __switch_to_asm+0x34/0x70
[  344.179508]  ? __switch_to_asm+0x40/0x70
[  344.183569]  ? __switch_to_asm+0x34/0x70
[  344.187641]  ? __switch_to_asm+0x40/0x70
[  344.191711]  ? __switch_to_asm+0x34/0x70
[  344.195772]  ? __switch_to_asm+0x40/0x70
[  344.199836]  ? __switch_to_asm+0x34/0x70
[  344.203902]  ? __switch_to_asm+0x34/0x70
[  344.207968]  ? __switch_to_asm+0x40/0x70
[  344.212029]  ? __switch_to_asm+0x34/0x70
[  344.216107]  bpf_clone_redirect+0xb9/0x490
[  344.220348]  ? __schedule+0x8d7/0x21d0
[  344.224244]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  344.229263]  ? __sched_text_start+0x8/0x8
[  344.233411]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.238182]  ? find_held_lock+0x36/0x1c0
[  344.242260]  ? lock_acquire+0x1ed/0x520
[  344.246239]  ? bpf_test_run+0x3cb/0x780
[  344.250220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.255762]  ? check_preemption_disabled+0x48/0x280
[  344.260788]  ? kasan_check_read+0x11/0x20
[  344.264940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.270220]  ? rcu_softirq_qs+0x20/0x20
[  344.274198]  ? preempt_schedule+0x4d/0x60
[  344.278348]  ? ___preempt_schedule+0x16/0x18
[  344.282769]  ? bpf_test_run+0x25d/0x780
[  344.286757]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.291174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.296718]  ? bpf_test_init.isra.10+0x70/0x100
[  344.301395]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  344.306167]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.311009]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.316551]  ? fput+0x130/0x1a0
[  344.319836]  ? __bpf_prog_get+0x9b/0x290
[  344.323927]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.329022]  ? bpf_prog_test_run+0x130/0x1a0
[  344.333456]  ? __x64_sys_bpf+0x3d8/0x520
[  344.337531]  ? bpf_prog_get+0x20/0x20
[  344.341383]  ? do_syscall_64+0x1b9/0x820
[  344.345449]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.350819]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.355749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.360598]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.365654]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.370679]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.375710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.380599]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.385981] warn_alloc_show_mem: 1 callbacks suppressed
[  344.385993] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  344.385995] Mem-Info:
[  344.386025] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  344.386025]  active_file:15 inactive_file:12 isolated_file:0
[  344.386025]  unevictable:0 dirty:0 writeback:0 unstable:0
[  344.386025]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  344.386025]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  344.386025]  free:13790 free_pcp:473 free_cma:0
[  344.392332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.398758] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  344.401193] Call Trace:
[  344.434237] 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
[  344.443788]  dump_stack+0x244/0x39d
[  344.471443] lowmem_reserve[]: 0 2818 6321 6321
[  344.474031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.500126] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  344.503764]  warn_alloc.cold.116+0xb7/0x1bd
[  344.508317] lowmem_reserve[]: 0 0 3503 3503
[  344.513508]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.540984] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  344.545303]  ? lock_downgrade+0x900/0x900
[  344.549615] lowmem_reserve[]: 0 0 0 0
[  344.554460]  ? trace_hardirqs_off+0xb8/0x310
[  344.583597] 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
[  344.587746]  ? trace_hardirqs_off+0xb8/0x310
[  344.591526] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  344.595938]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.609437] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  344.613889]  ? warn_alloc+0x120/0x120
[  344.629198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.634034]  ? warn_alloc+0x120/0x120
[  344.649367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.653163]  ? warn_alloc+0x120/0x120
[  344.661986] 2571 total pagecache pages
[  344.665782]  ? print_usage_bug+0xc0/0xc0
[  344.674353] 0 pages in swap cache
[  344.678155]  ? print_usage_bug+0xc0/0xc0
[  344.682025] Swap cache stats: add 0, delete 0, find 0/0
[  344.686079]  ? mark_held_locks+0x130/0x130
[  344.689526] Free swap  = 0kB
[  344.693581]  ? mark_held_locks+0x130/0x130
[  344.698921] Total swap = 0kB
[  344.703161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.706160] 1965979 pages RAM
[  344.710414]  ? should_fail+0x22d/0xd01
[  344.713409] 0 pages HighMem/MovableOnly
[  344.718942]  ? zap_class+0x640/0x640
[  344.722025] 342855 pages reserved
[  344.725910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.729869] 0 pages cma reserved
[  344.733576]  ? __lock_acquire+0x62f/0x4c20
[  344.737070] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.742105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.745659] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.749695]  ? __lock_acquire+0x62f/0x4c20
[  344.756165] syz-executor4 cpuset=syz4 mems_allowed=0
[  344.761264]  ? should_fail+0x22d/0xd01
[  344.784953]  ? mark_held_locks+0x130/0x130
[  344.789228]  ? mark_held_locks+0x130/0x130
[  344.793461]  ? lock_downgrade+0x900/0x900
[  344.797622]  ? zap_class+0x640/0x640
[  344.801340]  ? zap_class+0x640/0x640
[  344.805056]  ? zap_class+0x640/0x640
[  344.808767]  ? do_raw_spin_unlock+0xa7/0x330
[  344.813190]  ? trace_hardirqs_on+0x310/0x310
[  344.817612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.823157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.828696]  ? check_preemption_disabled+0x48/0x280
[  344.833735]  ? __lock_is_held+0xb5/0x140
[  344.837816]  __alloc_pages_nodemask+0xa80/0xde0
[  344.842487]  ? zap_class+0x640/0x640
[  344.846206]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.851240]  ? find_held_lock+0x36/0x1c0
[  344.855319]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.859994]  ? lock_downgrade+0x900/0x900
[  344.864155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.869714]  cache_grow_begin+0xa5/0x8c0
[  344.873776]  ? do_raw_spin_unlock+0xa7/0x330
[  344.878195]  fallback_alloc+0x204/0x2e0
[  344.882200]  ____cache_alloc_node+0x1c7/0x1e0
[  344.886703]  kmem_cache_alloc_node+0xe3/0x730
[  344.891216]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.895834]  __alloc_skb+0x119/0x770
[  344.899563]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  344.904956]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.909377]  ? vprintk_default+0x28/0x30
[  344.913442]  ? vprintk_func+0x85/0x181
[  344.917334]  ? printk+0xa7/0xcf
[  344.920617]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  344.925402]  new_skb+0x26/0x1c0
[  344.928689]  aoecmd_cfg+0x279/0x7f0
[  344.932320]  ? find_held_lock+0x36/0x1c0
[  344.936386]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  344.940718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.946271]  ? __lock_is_held+0xb5/0x140
[  344.950343]  discover_timer+0x50/0x60
[  344.954155]  call_timer_fn+0x272/0x920
[  344.958041]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.962887]  ? process_timeout+0x40/0x40
[  344.966960]  ? __run_timers+0x7da/0xc70
[  344.970941]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.975439]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.979947]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.984789]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.989375]  ? trace_hardirqs_on+0xbd/0x310
[  344.993709]  ? kasan_check_read+0x11/0x20
[  344.997853]  ? __run_timers+0x7da/0xc70
[  345.001829]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.006947]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.011788]  __run_timers+0x7e5/0xc70
[  345.015634]  ? timer_fixup_init+0x70/0x70
[  345.019791]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.024293]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.028792]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.033395]  ? trace_hardirqs_on+0xbd/0x310
[  345.037719]  ? kasan_check_read+0x11/0x20
[  345.041873]  ? finish_task_switch+0x1f4/0x910
[  345.046373]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.051475]  ? compat_start_thread+0x80/0x80
[  345.055908]  ? pvclock_read_flags+0x160/0x160
[  345.060402]  ? __switch_to_asm+0x34/0x70
[  345.064476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.070019]  ? check_preemption_disabled+0x48/0x280
[  345.075048]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  345.080591]  ? rcu_pm_notify+0xc0/0xc0
[  345.084482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.090022]  ? check_preemption_disabled+0x48/0x280
[  345.095044]  run_timer_softirq+0x52/0xb0
[  345.099109]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.104149]  __do_softirq+0x308/0xb7e
[  345.107953]  ? trace_hardirqs_on_caller+0xc0/0x310
[  345.112900]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.118010]  ? schedule+0x108/0x460
[  345.121666]  ? trace_hardirqs_off+0xb8/0x310
[  345.126079]  ? smpboot_thread_fn+0x68b/0xa00
[  345.130488]  ? trace_hardirqs_on+0x310/0x310
[  345.134899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.140444]  ? check_preemption_disabled+0x48/0x280
[  345.145462]  ? takeover_tasklets+0xa90/0xa90
[  345.149882]  run_ksoftirqd+0x5e/0x100
[  345.153688]  smpboot_thread_fn+0x68b/0xa00
[  345.157938]  ? sort_range+0x30/0x30
[  345.161570]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.166686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.172223]  ? __kthread_parkme+0xfb/0x1a0
[  345.176463]  ? sort_range+0x30/0x30
[  345.180087]  kthread+0x35a/0x440
[  345.183466]  ? kthread_stop+0x900/0x900
[  345.187447]  ret_from_fork+0x3a/0x50
[  345.191186] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  345.191270] aoe: skb alloc failure
[  345.198131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.198137] Call Trace:
[  345.198143]  <IRQ>
[  345.198160]  dump_stack+0x244/0x39d
[  345.198178]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.201767] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.211112]  warn_alloc.cold.116+0xb7/0x1bd
[  345.213671] ksoftirqd/0 cpuset=/ mems_allowed=0
[  345.215823]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.248715]  ? lock_downgrade+0x900/0x900
[  345.252873]  ? trace_hardirqs_off+0xb8/0x310
[  345.257295]  ? trace_hardirqs_off+0xb8/0x310
[  345.261728]  __alloc_pages_slowpath+0x26e8/0x2e10
[  345.266611]  ? warn_alloc+0x120/0x120
[  345.270434]  ? warn_alloc+0x120/0x120
[  345.274248]  ? zap_class+0x640/0x640
[  345.278005]  ? warn_alloc+0x120/0x120
[  345.281835]  ? print_usage_bug+0xc0/0xc0
[  345.285898]  ? idle_cpu+0x1d0/0x1d0
[  345.289543]  ? kvm_sched_clock_read+0x9/0x20
[  345.293961]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.299000]  ? print_usage_bug+0xc0/0xc0
[  345.303069]  ? __lock_is_held+0xb5/0x140
[  345.307175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.312716]  ? should_fail+0x22d/0xd01
[  345.316652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.321772]  ? __lock_acquire+0x62f/0x4c20
[  345.326017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.331133]  ? __lock_acquire+0x62f/0x4c20
[  345.335379]  ? should_fail+0x22d/0xd01
[  345.339287]  ? mark_held_locks+0x130/0x130
[  345.343532]  ? mark_held_locks+0x130/0x130
[  345.347775]  ? __enqueue_entity+0x10d/0x1f0
[  345.352137]  ? zap_class+0x640/0x640
[  345.355875]  ? print_usage_bug+0xc0/0xc0
[  345.359967]  ? __lock_acquire+0x62f/0x4c20
[  345.364214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.369760]  ? check_preemption_disabled+0x48/0x280
[  345.374791]  ? __lock_is_held+0xb5/0x140
[  345.378863]  __alloc_pages_nodemask+0xa80/0xde0
[  345.383539]  ? zap_class+0x640/0x640
[  345.387269]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.392306]  ? find_held_lock+0x36/0x1c0
[  345.396387]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.401080]  ? lock_downgrade+0x900/0x900
[  345.405247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.410801]  cache_grow_begin+0xa5/0x8c0
[  345.414869]  ? do_raw_spin_unlock+0xa7/0x330
[  345.419297]  fallback_alloc+0x204/0x2e0
[  345.423461]  ____cache_alloc_node+0x1c7/0x1e0
[  345.427990]  kmem_cache_alloc_node+0xe3/0x730
[  345.432492]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.436741]  __alloc_skb+0x119/0x770
[  345.440458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.445743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.450159]  ? lock_downgrade+0x900/0x900
[  345.454320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.459861]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.465331]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.470790]  ? addrconf_rs_timer+0x690/0x690
[  345.475217]  ndisc_alloc_skb+0x144/0x340
[  345.479287]  ndisc_send_rs+0x331/0x6e0
[  345.483192]  addrconf_rs_timer+0x314/0x690
[  345.487446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.491697]  call_timer_fn+0x272/0x920
[  345.495591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.499835]  ? process_timeout+0x40/0x40
[  345.503908]  ? __run_timers+0x7da/0xc70
[  345.507893]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.512396]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.516898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.521162]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.525754]  ? trace_hardirqs_on+0xbd/0x310
[  345.530090]  ? kasan_check_read+0x11/0x20
[  345.534248]  ? __run_timers+0x7da/0xc70
[  345.538231]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.543354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.547595]  __run_timers+0x7e5/0xc70
[  345.551415]  ? timer_fixup_init+0x70/0x70
[  345.555571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.560594]  ? zap_class+0x640/0x640
[  345.564327]  ? enqueue_hrtimer+0x1a5/0x560
[  345.568569]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.573770]  ? find_held_lock+0x36/0x1c0
[  345.577841]  ? zap_class+0x640/0x640
[  345.581564]  ? pvclock_read_flags+0x160/0x160
[  345.586067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.591613]  ? check_preemption_disabled+0x48/0x280
[  345.596656]  ? __lock_is_held+0xb5/0x140
[  345.600732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.606310]  ? check_preemption_disabled+0x48/0x280
[  345.611338]  run_timer_softirq+0x52/0xb0
[  345.615402]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.620423]  __do_softirq+0x308/0xb7e
[  345.624232]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.628752]  ? lock_downgrade+0x900/0x900
[  345.632909]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.638027]  ? pvclock_read_flags+0x160/0x160
[  345.642533]  ? lapic_next_event+0x5a/0x90
[  345.646692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.652242]  ? kvm_clock_read+0x18/0x30
[  345.656220]  ? kvm_sched_clock_read+0x9/0x20
[  345.660642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.666187]  ? check_preemption_disabled+0x48/0x280
[  345.671394]  irq_exit+0x17f/0x1c0
[  345.674853]  smp_apic_timer_interrupt+0x1cb/0x760
[  345.679697]  ? smp_reschedule_interrupt+0x109/0x650
[  345.684723]  ? smp_call_function_single_interrupt+0x650/0x650
[  345.690615]  ? interrupt_entry+0xb5/0xc0
[  345.694694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.699719]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.704740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.709613]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.714642]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.719681]  ? task_prio+0x50/0x50
[  345.723232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.728785]  ? check_preemption_disabled+0x48/0x280
[  345.733819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.738677]  apic_timer_interrupt+0xf/0x20
[  345.742914]  </IRQ>
[  345.745161] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  345.750097] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  345.769023] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  345.776732] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  345.784005] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  345.791276] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  345.798549] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  345.805819] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  345.813145]  skb_clone+0x1bb/0x500
[  345.816711]  ? finish_task_switch+0x1b4/0x910
[  345.821233]  ? skb_split+0x11e0/0x11e0
[  345.825143]  ? preempt_notifier_register+0x200/0x200
[  345.830252]  ? __switch_to_asm+0x34/0x70
[  345.834318]  ? __switch_to_asm+0x34/0x70
[  345.838383]  ? __switch_to_asm+0x40/0x70
[  345.842446]  ? __switch_to_asm+0x34/0x70
[  345.846509]  ? __switch_to_asm+0x40/0x70
[  345.850576]  ? __switch_to_asm+0x34/0x70
[  345.854643]  ? __switch_to_asm+0x40/0x70
[  345.858721]  ? __switch_to_asm+0x34/0x70
[  345.862793]  ? __switch_to_asm+0x34/0x70
[  345.866877]  ? __switch_to_asm+0x40/0x70
[  345.870944]  ? __switch_to_asm+0x34/0x70
[  345.875017]  bpf_clone_redirect+0xb9/0x490
[  345.879265]  ? __schedule+0x8d7/0x21d0
[  345.883167]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  345.888191]  ? __sched_text_start+0x8/0x8
[  345.892342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.897130]  ? find_held_lock+0x36/0x1c0
[  345.901211]  ? lock_acquire+0x1ed/0x520
[  345.905195]  ? bpf_test_run+0x3cb/0x780
[  345.909175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.914718]  ? check_preemption_disabled+0x48/0x280
[  345.919745]  ? kasan_check_read+0x11/0x20
[  345.923898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.929194]  ? rcu_softirq_qs+0x20/0x20
[  345.933174]  ? preempt_schedule+0x4d/0x60
[  345.937326]  ? ___preempt_schedule+0x16/0x18
[  345.941749]  ? bpf_test_run+0x25d/0x780
[  345.945742]  ? netlink_diag_dump+0x2a0/0x2a0
[  345.950166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.955714]  ? bpf_test_init.isra.10+0x70/0x100
[  345.960393]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  345.965166]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  345.970012]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.975553]  ? fput+0x130/0x1a0
[  345.978839]  ? __bpf_prog_get+0x9b/0x290
[  345.982909]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  345.987787]  ? bpf_prog_test_run+0x130/0x1a0
[  345.992200]  ? __x64_sys_bpf+0x3d8/0x520
[  345.996267]  ? bpf_prog_get+0x20/0x20
[  346.000097]  ? do_syscall_64+0x1b9/0x820
[  346.004170]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.009550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.014481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.019335]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.024356]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.029377]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.034402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.039262]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.044650] warn_alloc_show_mem: 1 callbacks suppressed
[  346.044662] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  346.044664] Mem-Info:
[  346.044698] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  346.044698]  active_file:15 inactive_file:12 isolated_file:0
[  346.044698]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.044698]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  346.044698]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  346.044698]  free:13790 free_pcp:473 free_cma:0
[  346.050047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.056463] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.058865] Call Trace:
[  346.091910] 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
[  346.101273]  dump_stack+0x244/0x39d
[  346.128915] lowmem_reserve[]: 0 2818 6321 6321
[  346.131514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.157623] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  346.161254]  warn_alloc.cold.116+0xb7/0x1bd
[  346.165816] lowmem_reserve[]: 0 0 3503 3503
[  346.171045]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.198521] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  346.202855]  ? lock_downgrade+0x900/0x900
[  346.207166] lowmem_reserve[]: 0 0 0 0
[  346.212012]  ? trace_hardirqs_off+0xb8/0x310
[  346.241139] 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
[  346.245290]  ? trace_hardirqs_off+0xb8/0x310
[  346.249070] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  346.253515]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.267017] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  346.271450]  ? warn_alloc+0x120/0x120
[  346.286758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.291594]  ? warn_alloc+0x120/0x120
[  346.306923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.310740]  ? warn_alloc+0x120/0x120
[  346.319553] 2571 total pagecache pages
[  346.323350]  ? print_usage_bug+0xc0/0xc0
[  346.332192] 0 pages in swap cache
[  346.335995]  ? print_usage_bug+0xc0/0xc0
[  346.339863] Swap cache stats: add 0, delete 0, find 0/0
[  346.343920]  ? mark_held_locks+0x130/0x130
[  346.347352] Free swap  = 0kB
[  346.351410]  ? mark_held_locks+0x130/0x130
[  346.356754] Total swap = 0kB
[  346.360989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.363985] 1965979 pages RAM
[  346.368220]  ? should_fail+0x22d/0xd01
[  346.371217] 0 pages HighMem/MovableOnly
[  346.376762]  ? zap_class+0x640/0x640
[  346.379848] 342855 pages reserved
[  346.383733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.387690] 0 pages cma reserved
[  346.387772] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.387842] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.387847] syz-executor4 cpuset=syz4 mems_allowed=0
[  346.425775]  ? __lock_acquire+0x62f/0x4c20
[  346.430024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.435311]  ? __lock_acquire+0x62f/0x4c20
[  346.439551]  ? should_fail+0x22d/0xd01
[  346.443459]  ? mark_held_locks+0x130/0x130
[  346.447715]  ? mark_held_locks+0x130/0x130
[  346.451952]  ? lock_downgrade+0x900/0x900
[  346.456126]  ? zap_class+0x640/0x640
[  346.459844]  ? zap_class+0x640/0x640
[  346.463562]  ? zap_class+0x640/0x640
[  346.467279]  ? do_raw_spin_unlock+0xa7/0x330
[  346.471698]  ? trace_hardirqs_on+0x310/0x310
[  346.476139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.481687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.487234]  ? check_preemption_disabled+0x48/0x280
[  346.492280]  ? __lock_is_held+0xb5/0x140
[  346.496354]  __alloc_pages_nodemask+0xa80/0xde0
[  346.501057]  ? zap_class+0x640/0x640
[  346.504783]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.509818]  ? find_held_lock+0x36/0x1c0
[  346.513894]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.518584]  ? lock_downgrade+0x900/0x900
[  346.522745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.528295]  cache_grow_begin+0xa5/0x8c0
[  346.532368]  ? do_raw_spin_unlock+0xa7/0x330
[  346.536793]  fallback_alloc+0x204/0x2e0
[  346.540782]  ____cache_alloc_node+0x1c7/0x1e0
[  346.545289]  kmem_cache_alloc_node+0xe3/0x730
[  346.549789]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.554388]  __alloc_skb+0x119/0x770
[  346.558146]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  346.563521]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.567977]  ? vprintk_default+0x28/0x30
[  346.572054]  ? vprintk_func+0x85/0x181
[  346.575947]  ? printk+0xa7/0xcf
[  346.579230]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  346.584000]  new_skb+0x26/0x1c0
[  346.587300]  aoecmd_cfg+0x279/0x7f0
[  346.590938]  ? find_held_lock+0x36/0x1c0
[  346.595012]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  346.599347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.604899]  ? __lock_is_held+0xb5/0x140
[  346.609002]  discover_timer+0x50/0x60
[  346.612816]  call_timer_fn+0x272/0x920
[  346.616708]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.621554]  ? process_timeout+0x40/0x40
[  346.625639]  ? __run_timers+0x7da/0xc70
[  346.629628]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.634135]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.638636]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.643506]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.648101]  ? trace_hardirqs_on+0xbd/0x310
[  346.652433]  ? kasan_check_read+0x11/0x20
[  346.656585]  ? __run_timers+0x7da/0xc70
[  346.660579]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.665699]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.670542]  __run_timers+0x7e5/0xc70
[  346.674368]  ? timer_fixup_init+0x70/0x70
[  346.678530]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.683032]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.687537]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.692129]  ? trace_hardirqs_on+0xbd/0x310
[  346.696459]  ? kasan_check_read+0x11/0x20
[  346.700614]  ? finish_task_switch+0x1f4/0x910
[  346.705132]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.710244]  ? compat_start_thread+0x80/0x80
[  346.714681]  ? pvclock_read_flags+0x160/0x160
[  346.719180]  ? __switch_to_asm+0x34/0x70
[  346.723251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.728796]  ? check_preemption_disabled+0x48/0x280
[  346.733839]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  346.739382]  ? rcu_pm_notify+0xc0/0xc0
[  346.743275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.748816]  ? check_preemption_disabled+0x48/0x280
[  346.753840]  run_timer_softirq+0x52/0xb0
[  346.757908]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.762935]  __do_softirq+0x308/0xb7e
[  346.766756]  ? trace_hardirqs_on_caller+0xc0/0x310
[  346.771704]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.776835]  ? schedule+0x108/0x460
[  346.780480]  ? trace_hardirqs_off+0xb8/0x310
[  346.784898]  ? smpboot_thread_fn+0x68b/0xa00
[  346.789314]  ? trace_hardirqs_on+0x310/0x310
[  346.793730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.799273]  ? check_preemption_disabled+0x48/0x280
[  346.804425]  ? takeover_tasklets+0xa90/0xa90
[  346.808867]  run_ksoftirqd+0x5e/0x100
[  346.812685]  smpboot_thread_fn+0x68b/0xa00
[  346.816951]  ? sort_range+0x30/0x30
[  346.820588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  346.825707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.831262]  ? __kthread_parkme+0xfb/0x1a0
[  346.835515]  ? sort_range+0x30/0x30
[  346.839158]  kthread+0x35a/0x440
[  346.842531]  ? kthread_stop+0x900/0x900
[  346.846513]  ret_from_fork+0x3a/0x50
[  346.850274] CPU: 1 PID: 10870 Comm: syz-executor4 Not tainted 4.19.0+ #78
[  346.850353] aoe: skb alloc failure
[  346.857223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.857229] Call Trace:
[  346.857236]  <IRQ>
[  346.857255]  dump_stack+0x244/0x39d
[  346.857275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.860825] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.870165]  warn_alloc.cold.116+0xb7/0x1bd
[  346.872733] ksoftirqd/0 cpuset=/ mems_allowed=0
[  346.874883]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.907817]  ? lock_downgrade+0x900/0x900
[  346.912003]  ? trace_hardirqs_off+0xb8/0x310
[  346.916445]  ? trace_hardirqs_off+0xb8/0x310
[  346.920870]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.925768]  ? warn_alloc+0x120/0x120
[  346.929585]  ? print_usage_bug+0xc0/0xc0
[  346.933682]  ? warn_alloc+0x120/0x120
[  346.937506]  ? warn_alloc+0x120/0x120
[  346.941313]  ? print_usage_bug+0xc0/0xc0
[  346.945382]  ? enqueue_hrtimer+0x1a5/0x560
[  346.949660]  ? print_usage_bug+0xc0/0xc0
[  346.953732]  ? __lock_acquire+0x62f/0x4c20
[  346.958016]  ? __lock_acquire+0x62f/0x4c20
[  346.962263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.967804]  ? should_fail+0x22d/0xd01
[  346.971723]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.976859]  ? __lock_acquire+0x62f/0x4c20
[  346.981102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.986218]  ? __lock_acquire+0x62f/0x4c20
[  346.990477]  ? should_fail+0x22d/0xd01
[  346.994382]  ? mark_held_locks+0x130/0x130
[  346.998671]  ? mark_held_locks+0x130/0x130
[  347.002935]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  347.007958]  ? ktime_get+0x2c1/0x400
[  347.011701]  ? zap_class+0x640/0x640
[  347.015430]  ? print_usage_bug+0xc0/0xc0
[  347.019501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.025047]  ? check_preemption_disabled+0x48/0x280
[  347.030080]  ? __lock_is_held+0xb5/0x140
[  347.034164]  __alloc_pages_nodemask+0xa80/0xde0
[  347.038864]  ? zap_class+0x640/0x640
[  347.042589]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  347.047639]  ? find_held_lock+0x36/0x1c0
[  347.051717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.056405]  ? lock_downgrade+0x900/0x900
[  347.060570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.066131]  cache_grow_begin+0xa5/0x8c0
[  347.070208]  ? do_raw_spin_unlock+0xa7/0x330
[  347.074636]  fallback_alloc+0x204/0x2e0
[  347.078653]  ____cache_alloc_node+0x1c7/0x1e0
[  347.083164]  kmem_cache_alloc_node+0xe3/0x730
[  347.087669]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.091920]  __alloc_skb+0x119/0x770
[  347.095642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.100952]  ? netdev_alloc_frag+0x1f0/0x1f0
[  347.105368]  ? lock_downgrade+0x900/0x900
[  347.109532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.115075]  ? refcount_sub_and_test_checked+0x203/0x310
[  347.120543]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  347.125999]  ? addrconf_rs_timer+0x690/0x690
[  347.130429]  ndisc_alloc_skb+0x144/0x340
[  347.134500]  ndisc_send_rs+0x331/0x6e0
[  347.138398]  addrconf_rs_timer+0x314/0x690
[  347.142651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.146905]  call_timer_fn+0x272/0x920
[  347.150819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.155067]  ? process_timeout+0x40/0x40
[  347.159236]  ? __run_timers+0x7da/0xc70
[  347.163220]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.167719]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.172218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.176461]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.181053]  ? trace_hardirqs_on+0xbd/0x310
[  347.185377]  ? kasan_check_read+0x11/0x20
[  347.189559]  ? __run_timers+0x7da/0xc70
[  347.193542]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.198659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.202905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.207152]  __run_timers+0x7e5/0xc70
[  347.210980]  ? timer_fixup_init+0x70/0x70
[  347.215165]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.220203]  ? zap_class+0x640/0x640
[  347.223926]  ? enqueue_hrtimer+0x1a5/0x560
[  347.228170]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.233371]  ? find_held_lock+0x36/0x1c0
[  347.237441]  ? zap_class+0x640/0x640
[  347.241166]  ? pvclock_read_flags+0x160/0x160
[  347.245671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.251215]  ? check_preemption_disabled+0x48/0x280
[  347.256249]  ? __lock_is_held+0xb5/0x140
[  347.260316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.265857]  ? check_preemption_disabled+0x48/0x280
[  347.270894]  run_timer_softirq+0x52/0xb0
[  347.274959]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.279980]  __do_softirq+0x308/0xb7e
[  347.283798]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.288301]  ? lock_downgrade+0x900/0x900
[  347.292461]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.297582]  ? pvclock_read_flags+0x160/0x160
[  347.302095]  ? lapic_next_event+0x5a/0x90
[  347.306262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.311811]  ? kvm_clock_read+0x18/0x30
[  347.315789]  ? kvm_sched_clock_read+0x9/0x20
[  347.320209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.325754]  ? check_preemption_disabled+0x48/0x280
[  347.330802]  irq_exit+0x17f/0x1c0
[  347.334279]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.339141]  ? smp_reschedule_interrupt+0x109/0x650
[  347.344167]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.350066]  ? interrupt_entry+0xb5/0xc0
[  347.354133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.359154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.364177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.369030]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.374065]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.379097]  ? task_prio+0x50/0x50
[  347.382648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.388197]  ? check_preemption_disabled+0x48/0x280
[  347.393240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.398096]  apic_timer_interrupt+0xf/0x20
[  347.402331]  </IRQ>
[  347.404580] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  347.409515] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 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 e2 3b
[  347.428428] RSP: 0000:ffff880199167738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.436137] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  347.443415] RDX: 0000000000000000 RSI: ffff8801d8e6cbc0 RDI: 0000000000000286
[  347.450690] RBP: ffff8801991677a0 R08: ffff8801d8e6c340 R09: 0000000000000000
[  347.457962] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  347.465235] R13: ffff8801d9bccc00 R14: ffff8801d9bccc00 R15: 0000000000480020
[  347.472554]  skb_clone+0x1bb/0x500
[  347.476104]  ? finish_task_switch+0x1b4/0x910
[  347.480605]  ? skb_split+0x11e0/0x11e0
[  347.484506]  ? preempt_notifier_register+0x200/0x200
[  347.489624]  ? __switch_to_asm+0x34/0x70
[  347.493692]  ? __switch_to_asm+0x34/0x70
[  347.497758]  ? __switch_to_asm+0x40/0x70
[  347.501826]  ? __switch_to_asm+0x34/0x70
[  347.505890]  ? __switch_to_asm+0x40/0x70
[  347.509957]  ? __switch_to_asm+0x34/0x70
[  347.514024]  ? __switch_to_asm+0x40/0x70
[  347.518091]  ? __switch_to_asm+0x34/0x70
[  347.522163]  ? __switch_to_asm+0x34/0x70
[  347.526229]  ? __switch_to_asm+0x40/0x70
[  347.530294]  ? __switch_to_asm+0x34/0x70
[  347.534377]  bpf_clone_redirect+0xb9/0x490
[  347.538624]  ? __schedule+0x8d7/0x21d0
[  347.542526]  bpf_prog_bebbfe2050753572+0x72c/0x1000
[  347.547555]  ? __sched_text_start+0x8/0x8
[  347.551713]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.556487]  ? find_held_lock+0x36/0x1c0
[  347.560565]  ? lock_acquire+0x1ed/0x520
[  347.564545]  ? bpf_test_run+0x3cb/0x780
[  347.568528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.574074]  ? check_preemption_disabled+0x48/0x280
[  347.579105]  ? kasan_check_read+0x11/0x20
[  347.583264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.588545]  ? rcu_softirq_qs+0x20/0x20
[  347.592536]  ? preempt_schedule+0x4d/0x60
[  347.596691]  ? ___preempt_schedule+0x16/0x18
[  347.601113]  ? bpf_test_run+0x25d/0x780
[  347.605112]  ? netlink_diag_dump+0x2a0/0x2a0
[  347.609531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.615069]  ? bpf_test_init.isra.10+0x70/0x100
[  347.619763]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  347.624536]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  347.629383]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  347.634925]  ? fput+0x130/0x1a0
[  347.638220]  ? __bpf_prog_get+0x9b/0x290
[  347.642292]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  347.647152]  ? bpf_prog_test_run+0x130/0x1a0
[  347.651575]  ? __x64_sys_bpf+0x3d8/0x520
[  347.655648]  ? bpf_prog_get+0x20/0x20
[  347.659474]  ? do_syscall_64+0x1b9/0x820
[  347.663539]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  347.668916]  ? syscall_return_slowpath+0x5e0/0x5e0
[  347.673852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.678702]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.683725]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  347.688767]  ? prepare_exit_to_usermode+0x291/0x3b0
[  347.693799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.698667]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  347.704054] warn_alloc_show_mem: 1 callbacks suppressed
[  347.704066] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  347.704068] Mem-Info:
[  347.704101] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  347.704101]  active_file:15 inactive_file:12 isolated_file:0
[  347.704101]  unevictable:0 dirty:0 writeback:0 unstable:0
[  347.704101]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  347.704101]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  347.704101]  free:13790 free_pcp:473 free_cma:0
[  347.709467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.715884] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  347.718287] Call Trace:
[  347.751347] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  347.760708]  dump_stack+0x244/0x39d
[  347.788354] lowmem_reserve[]: 0 2818 6321 6321
[  347.790952]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.817039] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  347.820692]  warn_alloc.cold.116+0xb7/0x1bd
[  347.825252] lowmem_reserve[]: 0 0 3503 3503
[  347.830442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.857923] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  347.862249]  ? lock_downgrade+0x900/0x900
[  347.866552] lowmem_reserve[]: 0 0 0 0
[  347.871402]  ? trace_hardirqs_off+0xb8/0x310
[  347.900523] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  347.904676]  ? trace_hardirqs_off+0xb8/0x310
[  347.908453] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  347.912868]  __alloc_pages_slowpath+0x26e8/0x2e10
[  347.926368] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  347.930829]  ? warn_alloc+0x120/0x120
[  347.946138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  347.950974]  ? warn_alloc+0x120/0x120
[  347.966304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  347.970098]  ? warn_alloc+0x120/0x120
[  347.978914] 2571 total pagecache pages
[  347.982729]  ? print_usage_bug+0xc0/0xc0
[  347.991291] 0 pages in swap cache
[  347.995086]  ? print_usage_bug+0xc0/0xc0
[  347.998955] Swap cache stats: add 0, delete 0, find 0/0
[  348.003012]  ? mark_held_locks+0x130/0x130
[  348.006448] Free swap  = 0kB
[  348.010510]  ? mark_held_locks+0x130/0x130
[  348.015854] Total swap = 0kB
[  348.020092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.023092] 1965979 pages RAM
[  348.027354]  ? should_fail+0x22d/0xd01
[  348.030355] 0 pages HighMem/MovableOnly
[  348.035896]  ? zap_class+0x640/0x640
[  348.038983] 342855 pages reserved
[  348.042874]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.046827] 0 pages cma reserved
[  348.050549]  ? __lock_acquire+0x62f/0x4c20
[  348.054058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.059110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.059134]  ? __lock_acquire+0x62f/0x4c20
[  348.082553]  ? should_fail+0x22d/0xd01
[  348.086473]  ? mark_held_locks+0x130/0x130
[  348.090731]  ? mark_held_locks+0x130/0x130
[  348.094983]  ? lock_downgrade+0x900/0x900
[  348.099156]  ? zap_class+0x640/0x640
[  348.099833] virtio_scsi_cmd           16KB         16KB
[  348.102885]  ? zap_class+0x640/0x640
[  348.108291] sgpool-128                 8KB          8KB
[  348.111984]  ? zap_class+0x640/0x640
[  348.117369] sgpool-64                  4KB          6KB
[  348.121045]  ? do_raw_spin_unlock+0xa7/0x330
[  348.121065]  ? trace_hardirqs_on+0x310/0x310
[  348.126450] sgpool-32                  2KB          7KB
[  348.130820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.130839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.135291] sgpool-16                  1KB          3KB
[  348.140622]  ? check_preemption_disabled+0x48/0x280
[  348.146211] sgpool-8                   0KB          3KB
[  348.151723]  ? __lock_is_held+0xb5/0x140
[  348.157109] mqueue_inode_cache         10KB         14KB
[  348.162090]  __alloc_pages_nodemask+0xa80/0xde0
[  348.167478] bio_post_read_ctx         14KB         15KB
[  348.171498]  ? zap_class+0x640/0x640
[  348.177001] bio-2                     14KB         15KB
[  348.181619]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.187014] jfs_mp                     7KB          7KB
[  348.190702]  ? find_held_lock+0x36/0x1c0
[  348.196096] nfs_commit_data            3KB          7KB
[  348.201069]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.206450] nfs_write_data            32KB         32KB
[  348.210478]  ? lock_downgrade+0x900/0x900
[  348.215890] ext4_system_zone           0KB          3KB
[  348.220513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.225908] bio-1                      1KB          3KB
[  348.230014]  cache_grow_begin+0xa5/0x8c0
[  348.235398] pid_namespace              2KB          7KB
[  348.240902]  ? do_raw_spin_unlock+0xa7/0x330
[  348.246303] rpc_buffers               17KB         19KB
[  348.250330]  fallback_alloc+0x204/0x2e0
[  348.255724] rpc_tasks                  2KB          3KB
[  348.260099]  ____cache_alloc_node+0x1c7/0x1e0
[  348.265479] UNIX                       9KB         14KB
[  348.269418]  kmem_cache_alloc_node+0xe3/0x730
[  348.274800] ip4-frags                  0KB          3KB
[  348.279263]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.284608] tcp_bind_bucket            1KB          4KB
[  348.289123]  __alloc_skb+0x119/0x770
[  348.289142]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  348.294502] inet_peer_cache            1KB          4KB
[  348.299075]  ? netdev_alloc_frag+0x1f0/0x1f0
[  348.299099]  ? vprintk_default+0x28/0x30
[  348.299129]  ? vprintk_func+0x85/0x181
[  348.304478] ip_fib_trie               11KB         15KB
[  348.308180]  ? printk+0xa7/0xcf
[  348.308195]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  348.308220]  new_skb+0x26/0x1c0
[  348.313576] ip_fib_alias              51KB         59KB
[  348.318936]  aoecmd_cfg+0x279/0x7f0
[  348.318952]  ? find_held_lock+0x36/0x1c0
[  348.318980]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  348.323407] ip_dst_cache               3KB         24KB
[  348.327485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.327516]  ? __lock_is_held+0xb5/0x140
[  348.331604] RAW                       40KB         50KB
[  348.336975]  discover_timer+0x50/0x60
[  348.336990]  call_timer_fn+0x272/0x920
[  348.337008]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.340281] UDP                       16KB         19KB
[  348.345028]  ? process_timeout+0x40/0x40
[  348.345052]  ? __run_timers+0x7da/0xc70
[  348.345073]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.348348] TCP                        8KB         11KB
[  348.353701]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.357347] hugetlbfs_inode_cache          2KB          7KB
[  348.361363]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.361383]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.365726] fscache_cookie_jar          1KB          7KB
[  348.371060]  ? trace_hardirqs_on+0xbd/0x310
[  348.376625] eventpoll_pwq              3KB         19KB
[  348.380635]  ? kasan_check_read+0x11/0x20
[  348.380652]  ? __run_timers+0x7da/0xc70
[  348.386039] eventpoll_epi              6KB         27KB
[  348.390503]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.394376] inotify_inode_mark          5KB         27KB
[  348.399230]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.399243]  __run_timers+0x7e5/0xc70
[  348.399269]  ? timer_fixup_init+0x70/0x70
[  348.404629] request_queue            164KB        164KB
[  348.408684]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.408700]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.408719]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.412689] blkdev_ioc                 3KB         23KB
[  348.417181]  ? trace_hardirqs_on+0xbd/0x310
[  348.417196]  ? kasan_check_read+0x11/0x20
[  348.417217]  ? finish_task_switch+0x1f4/0x910
[  348.422574] bio-0                     55KB        116KB
[  348.427063]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.427078]  ? compat_start_thread+0x80/0x80
[  348.427131]  ? pvclock_read_flags+0x160/0x160
[  348.432802] biovec-max              1386KB       1386KB
[  348.437770]  ? __switch_to_asm+0x34/0x70
[  348.437789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.437813]  ? check_preemption_disabled+0x48/0x280
[  348.442393] bio_integrity_payload          1KB          7KB
[  348.447844]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  348.447863]  ? rcu_pm_notify+0xc0/0xc0
[  348.447882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.452201] khugepaged_mm_slot          0KB          3KB
[  348.457563]  ? check_preemption_disabled+0x48/0x280
[  348.457584]  run_timer_softirq+0x52/0xb0
[  348.457604]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.461756] dmaengine-unmap-256          2KB          6KB
[  348.465715]  __do_softirq+0x308/0xb7e
[  348.465736]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.465755]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.471124] dmaengine-unmap-128          1KB          3KB
[  348.476224]  ? schedule+0x108/0x460
[  348.476254]  ? trace_hardirqs_off+0xb8/0x310
[  348.481697] dmaengine-unmap-16          0KB          4KB
[  348.486530]  ? smpboot_thread_fn+0x68b/0xa00
[  348.486546]  ? trace_hardirqs_on+0x310/0x310
[  348.486566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.490365] dmaengine-unmap-2          0KB          3KB
[  348.494508]  ? check_preemption_disabled+0x48/0x280
[  348.499900] skbuff_fclone_cache         16KB         33KB
[  348.504359]  ? takeover_tasklets+0xa90/0xa90
[  348.508872] skbuff_head_cache     447382KB     447382KB
[  348.513418]  run_ksoftirqd+0x5e/0x100
[  348.518803] configfs_dir_cache          0KB          4KB
[  348.523089]  smpboot_thread_fn+0x68b/0xa00
[  348.527266] file_lock_cache            0KB          3KB
[  348.531725]  ? sort_range+0x30/0x30
[  348.537118] file_lock_ctx              0KB          3KB
[  348.542182]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  348.546606] fsnotify_mark_connector          3KB         15KB
[  348.551067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.556453] net_namespace             51KB         51KB
[  348.560491]  ? __kthread_parkme+0xfb/0x1a0
[  348.566049] shmem_inode_cache       3690KB       3778KB
[  348.571027]  ? sort_range+0x30/0x30
[  348.576778] task_delay_info           33KB        160KB
[  348.582281]  kthread+0x35a/0x440
[  348.586195] taskstats                  0KB          3KB
[  348.591699]  ? kthread_stop+0x900/0x900
[  348.597175] proc_dir_entry           583KB        596KB
[  348.602161]  ret_from_fork+0x3a/0x50
[  348.606250] pde_opener                 0KB          3KB
[  348.611296] aoe: skb alloc failure
[  348.617230] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.620660] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.625566] syz-fuzzer cpuset=/ mems_allowed=0
[  348.630658] ksoftirqd/0 cpuset=/ mems_allowed=0
[  348.636194] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  348.824688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.834038] Call Trace:
[  348.836625]  <IRQ>
[  348.838792]  dump_stack+0x244/0x39d
[  348.842432]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.847647]  warn_alloc.cold.116+0xb7/0x1bd
[  348.851977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.856833]  ? lock_downgrade+0x900/0x900
[  348.860994]  ? trace_hardirqs_off+0xb8/0x310
[  348.865415]  ? trace_hardirqs_off+0xb8/0x310
[  348.869840]  __alloc_pages_slowpath+0x26e8/0x2e10
[  348.874721]  ? warn_alloc+0x120/0x120
[  348.878535]  ? warn_alloc+0x120/0x120
[  348.882346]  ? warn_alloc+0x120/0x120
[  348.886156]  ? print_usage_bug+0xc0/0xc0
[  348.890226]  ? __lock_acquire+0x62f/0x4c20
[  348.894466]  ? print_usage_bug+0xc0/0xc0
[  348.898533]  ? __lock_acquire+0x62f/0x4c20
[  348.902811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.908356]  ? should_fail+0x22d/0xd01
[  348.912252]  ? __lock_acquire+0x62f/0x4c20
[  348.916498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.921605]  ? __lock_acquire+0x62f/0x4c20
[  348.925854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.930963]  ? __lock_acquire+0x62f/0x4c20
[  348.935199]  ? should_fail+0x22d/0xd01
[  348.939108]  ? mark_held_locks+0x130/0x130
[  348.943358]  ? mark_held_locks+0x130/0x130
[  348.947599]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  348.952722]  ? zap_class+0x640/0x640
[  348.956447]  ? print_usage_bug+0xc0/0xc0
[  348.960517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.966062]  ? check_preemption_disabled+0x48/0x280
[  348.971093]  ? __lock_is_held+0xb5/0x140
[  348.975176]  __alloc_pages_nodemask+0xa80/0xde0
[  348.979852]  ? zap_class+0x640/0x640
[  348.983579]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.988614]  ? find_held_lock+0x36/0x1c0
[  348.992704]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.997379]  ? lock_downgrade+0x900/0x900
[  349.001640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.007201]  cache_grow_begin+0xa5/0x8c0
[  349.011273]  ? do_raw_spin_unlock+0xa7/0x330
[  349.015700]  fallback_alloc+0x204/0x2e0
[  349.019687]  ____cache_alloc_node+0x1c7/0x1e0
[  349.024196]  kmem_cache_alloc_node+0xe3/0x730
[  349.028698]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.032949]  __alloc_skb+0x119/0x770
[  349.036667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.041958]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.046384]  ? lock_downgrade+0x900/0x900
[  349.050549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.056091]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.061561]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.067016]  ? addrconf_rs_timer+0x690/0x690
[  349.071442]  ndisc_alloc_skb+0x144/0x340
[  349.075512]  ndisc_send_rs+0x331/0x6e0
[  349.079409]  addrconf_rs_timer+0x314/0x690
[  349.083656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.087909]  call_timer_fn+0x272/0x920
[  349.091799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.096043]  ? process_timeout+0x40/0x40
[  349.100127]  ? mark_held_locks+0xc7/0x130
[  349.104288]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.108799]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.113299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.117541]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.122137]  ? trace_hardirqs_on+0xbd/0x310
[  349.126463]  ? kasan_check_read+0x11/0x20
[  349.130614]  ? __run_timers+0x7da/0xc70
[  349.134601]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.139722]  ? prandom_seed_full_state+0x3b0/0x3b0
[  349.144678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.148914]  __run_timers+0x7e5/0xc70
[  349.152735]  ? timer_fixup_init+0x70/0x70
[  349.156889]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.161911]  ? zap_class+0x640/0x640
[  349.165648]  ? print_usage_bug+0xc0/0xc0
[  349.169736]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.174939]  ? find_held_lock+0x36/0x1c0
[  349.179014]  ? zap_class+0x640/0x640
[  349.182743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.188290]  ? check_preemption_disabled+0x48/0x280
[  349.193321]  ? __lock_is_held+0xb5/0x140
[  349.197396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.202944]  ? check_preemption_disabled+0x48/0x280
[  349.207976]  run_timer_softirq+0x52/0xb0
[  349.212041]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.217060]  __do_softirq+0x308/0xb7e
[  349.220885]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.225387]  ? lock_downgrade+0x900/0x900
[  349.229546]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.234668]  ? pvclock_read_flags+0x160/0x160
[  349.239174]  ? lapic_next_event+0x5a/0x90
[  349.243328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.248880]  ? kvm_clock_read+0x18/0x30
[  349.252860]  ? kvm_sched_clock_read+0x9/0x20
[  349.257290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.262833]  ? check_preemption_disabled+0x48/0x280
[  349.267865]  irq_exit+0x17f/0x1c0
[  349.271324]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.276190]  ? smp_reschedule_interrupt+0x109/0x650
[  349.281217]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.287117]  ? interrupt_entry+0xb5/0xc0
[  349.291190]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.296214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.301240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.306087]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.311126]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.316160]  ? task_prio+0x50/0x50
[  349.319708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.325253]  ? check_preemption_disabled+0x48/0x280
[  349.330286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.335145]  apic_timer_interrupt+0xf/0x20
[  349.339379]  </IRQ>
[  349.341644] RIP: 0010:console_unlock+0x102f/0x1190
[  349.346611] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  349.365522] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  349.373236] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  349.380505] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  349.387803] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  349.395080] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  349.402351] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  349.409642]  ? netconsole_netdev_event+0x280/0x280
[  349.414586]  ? console_unlock+0x1026/0x1190
[  349.418937]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  349.423611]  ? vprintk_emit+0x846/0x990
[  349.427600]  ? lock_release+0xa00/0xa00
[  349.431588]  ? trace_hardirqs_on+0x20/0x310
[  349.435916]  ? vprintk_default+0x28/0x30
[  349.439985]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.445099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.450652]  vprintk_emit+0x391/0x990
[  349.454466]  ? wake_up_klogd+0x180/0x180
[  349.458543]  ? match_held_lock+0x8c1/0x8d0
[  349.462816]  ? mark_held_locks+0xc7/0x130
[  349.466981]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.471480]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.475986]  vprintk_default+0x28/0x30
[  349.479881]  vprintk_func+0x7e/0x181
[  349.483606]  printk+0xa7/0xcf
[  349.486723]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  349.491491]  ? _raw_spin_unlock_irq+0x60/0x80
[  349.496013]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  349.501328]  dump_header+0x7cc/0xf72
[  349.505060]  ? pagefault_out_of_memory+0x197/0x197
[  349.510009]  ? __lock_acquire+0x62f/0x4c20
[  349.514260]  ? percpu_ref_get_many+0x240/0x240
[  349.518849]  ? print_usage_bug+0xc0/0xc0
[  349.522944]  ? zap_class+0x640/0x640
[  349.526677]  ? print_usage_bug+0xc0/0xc0
[  349.530745]  ? zap_class+0x640/0x640
[  349.534489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.540039]  ? find_held_lock+0x36/0x1c0
[  349.544116]  ? mark_held_locks+0xc7/0x130
[  349.548277]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.553405]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.558515]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.563107]  ? trace_hardirqs_on+0xbd/0x310
[  349.567434]  ? kasan_check_read+0x11/0x20
[  349.571585]  ? ___ratelimit+0x3b4/0x672
[  349.575585]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.580700]  ? trace_hardirqs_on+0x310/0x310
[  349.585116]  ? lock_downgrade+0x900/0x900
[  349.589289]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  349.594396]  ? ___ratelimit+0x3b9/0x672
[  349.598378]  ? idr_get_free+0xf70/0xf70
[  349.602354]  ? find_held_lock+0x36/0x1c0
[  349.606436]  oom_kill_process.cold.27+0x10/0x903
[  349.611196]  ? zap_class+0x640/0x640
[  349.614916]  ? check_preemption_disabled+0x48/0x280
[  349.619944]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.624891]  ? kasan_check_read+0x11/0x20
[  349.629042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.634334]  ? oom_evaluate_task+0x540/0x540
[  349.638756]  ? find_held_lock+0x36/0x1c0
[  349.642834]  ? out_of_memory+0x974/0x1430
[  349.646989]  ? lock_downgrade+0x900/0x900
[  349.651148]  ? check_preemption_disabled+0x48/0x280
[  349.656173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.661106]  ? kasan_check_read+0x11/0x20
[  349.665265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.670550]  ? rcu_softirq_qs+0x20/0x20
[  349.674533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.680077]  ? oom_evaluate_task+0x302/0x540
[  349.684496]  out_of_memory+0xa84/0x1430
[  349.688484]  ? oom_killer_disable+0x3a0/0x3a0
[  349.692989]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  349.697928]  ? __ww_mutex_check_waiters+0x160/0x160
[  349.702966]  __alloc_pages_slowpath+0x2354/0x2e10
[  349.707848]  ? warn_alloc+0x120/0x120
[  349.711651]  ? mark_held_locks+0x130/0x130
[  349.715919]  ? find_get_entry+0xaae/0x1120
[  349.720173]  ? filemap_map_pages+0x1a20/0x1a20
[  349.724768]  ? zap_class+0x640/0x640
[  349.728508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.734085]  ? check_preemption_disabled+0x48/0x280
[  349.739107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.744658]  ? should_fail+0x22d/0xd01
[  349.748554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.753677]  ? zap_class+0x640/0x640
[  349.757437]  ? __lock_is_held+0xb5/0x140
[  349.761519]  ? mark_held_locks+0x130/0x130
[  349.765762]  ? lock_release+0xa00/0xa00
[  349.769742]  ? perf_trace_sched_process_exec+0x860/0x860
[  349.775202]  ? xa_load+0x2ba/0x460
[  349.778774]  ? lock_downgrade+0x900/0x900
[  349.782953]  ? __might_sleep+0x95/0x190
[  349.786944]  __alloc_pages_nodemask+0xa80/0xde0
[  349.791645]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.796676]  ? __page_cache_alloc+0x191/0x5c0
[  349.801176]  ? xa_load+0x2e1/0x460
[  349.804720]  ? xa_clear_mark+0x40/0x40
[  349.808624]  ? zap_class+0x640/0x640
[  349.812351]  ? zap_class+0x640/0x640
[  349.816069]  ? zap_class+0x640/0x640
[  349.819796]  ? __do_page_cache_readahead+0x663/0x810
[  349.824930]  ? find_held_lock+0x36/0x1c0
[  349.828999]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  349.834553]  alloc_pages_current+0x173/0x350
[  349.838972]  __page_cache_alloc+0x38c/0x5c0
[  349.843296]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.848233]  ? kasan_check_read+0x11/0x20
[  349.852385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.857669]  ? generic_perform_write+0x6a0/0x6a0
[  349.862436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.867993]  ? check_preemption_disabled+0x48/0x280
[  349.873033]  filemap_fault+0x1595/0x25f0
[  349.877134]  ? __lock_page_or_retry+0xa00/0xa00
[  349.881813]  ? mark_held_locks+0x130/0x130
[  349.886064]  ? filemap_map_pages+0xd6b/0x1a20
[  349.890578]  ? lock_downgrade+0x900/0x900
[  349.894735]  ? check_preemption_disabled+0x48/0x280
[  349.899764]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.904695]  ? kasan_check_read+0x11/0x20
[  349.908869]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.914154]  ? rcu_softirq_qs+0x20/0x20
[  349.918162]  ? filemap_map_pages+0xd92/0x1a20
[  349.922681]  ? find_get_entries_tag+0x1400/0x1400
[  349.927547]  ? debug_object_destroy+0x2b0/0x2b0
[  349.932217]  ? lock_pi_update_atomic+0x150/0x150
[  349.936982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.942540]  ? lock_acquire+0x1ed/0x520
[  349.946523]  ? ext4_filemap_fault+0x7a/0xad
[  349.950855]  ? lock_release+0xa00/0xa00
[  349.954836]  ? perf_trace_sched_process_exec+0x860/0x860
[  349.960295]  ? print_usage_bug+0xc0/0xc0
[  349.964366]  ? print_usage_bug+0xc0/0xc0
[  349.968447]  ? down_read+0x8d/0x120
[  349.972099]  ? ext4_filemap_fault+0x7a/0xad
[  349.976464]  ? __down_interruptible+0x700/0x700
[  349.981153]  ext4_filemap_fault+0x82/0xad
[  349.985320]  __do_fault+0x100/0x6b0
[  349.988955]  ? pmd_devmap_trans_unstable+0x220/0x220
[  349.994065]  ? mark_held_locks+0x130/0x130
[  349.998312]  ? mark_held_locks+0x130/0x130
[  350.002555]  ? debug_smp_processor_id+0x1c/0x20
[  350.007235]  ? perf_trace_lock+0x14d/0x7a0
[  350.011485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.017036]  __handle_mm_fault+0x3ea6/0x5be0
[  350.021464]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  350.026311]  ? lock_is_held_type+0x210/0x210
[  350.030754]  ? ksys_dup3+0x680/0x680
[  350.034491]  ? zap_class+0x640/0x640
[  350.038210]  ? zap_class+0x640/0x640
[  350.041929]  ? __x64_sys_futex+0x53e/0x6a0
[  350.046170]  ? find_held_lock+0x36/0x1c0
[  350.050249]  ? handle_mm_fault+0x42a/0xc70
[  350.054498]  ? lock_downgrade+0x900/0x900
[  350.058654]  ? check_preemption_disabled+0x48/0x280
[  350.063687]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.068655]  ? kasan_check_read+0x11/0x20
[  350.072808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.078088]  ? rcu_softirq_qs+0x20/0x20
[  350.082081]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.087214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.092768]  ? check_preemption_disabled+0x48/0x280
[  350.097820]  handle_mm_fault+0x54f/0xc70
[  350.101893]  ? __handle_mm_fault+0x5be0/0x5be0
[  350.106511]  ? find_vma+0x34/0x190
[  350.110093]  __do_page_fault+0x5e8/0xe60
[  350.114162]  ? trace_hardirqs_off+0xb8/0x310
[  350.118590]  do_page_fault+0xf2/0x7e0
[  350.122401]  ? vmalloc_sync_all+0x30/0x30
[  350.126552]  ? error_entry+0x70/0xd0
[  350.130282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.135302]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.140239]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.145172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.150037]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.155059]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.160520]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.165538]  ? page_fault+0x8/0x30
[  350.169087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.173952]  ? page_fault+0x8/0x30
[  350.177494]  page_fault+0x1e/0x30
[  350.180952] RIP: 0033:0x40f9c0
[  350.184173] Code: Bad RIP value.
[  350.187550] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  350.192932] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  350.200205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  350.207479] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  350.214748] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  350.222021] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  350.229314] warn_alloc_show_mem: 1 callbacks suppressed
[  350.229326] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  350.229327] Mem-Info:
[  350.229382] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  350.229382]  active_file:15 inactive_file:12 isolated_file:0
[  350.229382]  unevictable:0 dirty:0 writeback:0 unstable:0
[  350.229382]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  350.229382]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  350.229382]  free:13790 free_pcp:473 free_cma:0
[  350.234723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.234732] Call Trace:
[  350.241187] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  350.243620]  dump_stack+0x244/0x39d
[  350.276659] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  350.286029]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.288590] lowmem_reserve[]: 0 2818 6321 6321
[  350.316271]  warn_alloc.cold.116+0xb7/0x1bd
[  350.319872] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  350.346401]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.351573] lowmem_reserve[]: 0 0 3503 3503
[  350.356162]  ? lock_downgrade+0x900/0x900
[  350.360463] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  350.388867]  ? trace_hardirqs_off+0xb8/0x310
[  350.393684] lowmem_reserve[]: 0 0 0 0
[  350.398032]  ? trace_hardirqs_off+0xb8/0x310
[  350.402158] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  350.431329]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.436209] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  350.440061]  ? warn_alloc+0x120/0x120
[  350.444418] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  350.457954]  ? warn_alloc+0x120/0x120
[  350.462795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  350.478138]  ? warn_alloc+0x120/0x120
[  350.481924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.497265]  ? print_usage_bug+0xc0/0xc0
[  350.501046] 2571 total pagecache pages
[  350.509879]  ? print_usage_bug+0xc0/0xc0
[  350.513666] 0 pages in swap cache
[  350.522246]  ? mark_held_locks+0x130/0x130
[  350.526303] Swap cache stats: add 0, delete 0, find 0/0
[  350.530213]  ? mark_held_locks+0x130/0x130
[  350.534255] Free swap  = 0kB
[  350.537722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.541935] Total swap = 0kB
[  350.547301]  ? should_fail+0x22d/0xd01
[  350.551514] 1965979 pages RAM
[  350.554535]  ? zap_class+0x640/0x640
[  350.560047] 0 pages HighMem/MovableOnly
[  350.560057] 342855 pages reserved
[  350.563075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.566940] 0 pages cma reserved
[  350.570045]  ? __lock_acquire+0x62f/0x4c20
[  350.573797] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.577710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.577724]  ? __lock_acquire+0x62f/0x4c20
[  350.577741]  ? should_fail+0x22d/0xd01
[  350.581255] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.586305]  ? mark_held_locks+0x130/0x130
[  350.589656] syz-fuzzer cpuset=/ mems_allowed=0
[  350.593894]  ? mark_held_locks+0x130/0x130
[  350.636779]  ? lock_downgrade+0x900/0x900
[  350.640935]  ? zap_class+0x640/0x640
[  350.644651]  ? zap_class+0x640/0x640
[  350.648383]  ? zap_class+0x640/0x640
[  350.652131]  ? do_raw_spin_unlock+0xa7/0x330
[  350.656570]  ? trace_hardirqs_on+0x310/0x310
[  350.661007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.666553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.672101]  ? check_preemption_disabled+0x48/0x280
[  350.677141]  ? __lock_is_held+0xb5/0x140
[  350.681215]  __alloc_pages_nodemask+0xa80/0xde0
[  350.685888]  ? zap_class+0x640/0x640
[  350.689644]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.694688]  ? find_held_lock+0x36/0x1c0
[  350.698775]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.703448]  ? lock_downgrade+0x900/0x900
[  350.707607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.713157]  cache_grow_begin+0xa5/0x8c0
[  350.717240]  ? do_raw_spin_unlock+0xa7/0x330
[  350.721671]  fallback_alloc+0x204/0x2e0
[  350.725656]  ____cache_alloc_node+0x1c7/0x1e0
[  350.730162]  kmem_cache_alloc_node+0xe3/0x730
[  350.734666]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.739266]  __alloc_skb+0x119/0x770
[  350.742987]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  350.748361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.752785]  ? vprintk_default+0x28/0x30
[  350.756853]  ? vprintk_func+0x85/0x181
[  350.760750]  ? printk+0xa7/0xcf
[  350.764031]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  350.768818]  new_skb+0x26/0x1c0
[  350.772129]  aoecmd_cfg+0x279/0x7f0
[  350.775769]  ? find_held_lock+0x36/0x1c0
[  350.779841]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  350.784172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.789732]  ? __lock_is_held+0xb5/0x140
[  350.793812]  discover_timer+0x50/0x60
[  350.797615]  call_timer_fn+0x272/0x920
[  350.801510]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.806360]  ? process_timeout+0x40/0x40
[  350.810433]  ? __run_timers+0x7da/0xc70
[  350.814420]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.818923]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.823419]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.828269]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.832871]  ? trace_hardirqs_on+0xbd/0x310
[  350.837195]  ? kasan_check_read+0x11/0x20
[  350.841351]  ? __run_timers+0x7da/0xc70
[  350.845330]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.850459]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.855320]  __run_timers+0x7e5/0xc70
[  350.859150]  ? timer_fixup_init+0x70/0x70
[  350.863307]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.867818]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.872321]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.876932]  ? trace_hardirqs_on+0xbd/0x310
[  350.881267]  ? kasan_check_read+0x11/0x20
[  350.885423]  ? finish_task_switch+0x1f4/0x910
[  350.889924]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.895036]  ? compat_start_thread+0x80/0x80
[  350.899472]  ? pvclock_read_flags+0x160/0x160
[  350.903969]  ? __switch_to_asm+0x34/0x70
[  350.908036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.913578]  ? check_preemption_disabled+0x48/0x280
[  350.918620]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  350.924165]  ? rcu_pm_notify+0xc0/0xc0
[  350.928062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.933608]  ? check_preemption_disabled+0x48/0x280
[  350.938647]  run_timer_softirq+0x52/0xb0
[  350.942716]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.947739]  __do_softirq+0x308/0xb7e
[  350.951550]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.956493]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.961610]  ? schedule+0x108/0x460
[  350.965254]  ? trace_hardirqs_off+0xb8/0x310
[  350.969671]  ? smpboot_thread_fn+0x68b/0xa00
[  350.974093]  ? trace_hardirqs_on+0x310/0x310
[  350.978514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.984058]  ? check_preemption_disabled+0x48/0x280
[  350.989087]  ? takeover_tasklets+0xa90/0xa90
[  350.993506]  run_ksoftirqd+0x5e/0x100
[  350.997314]  smpboot_thread_fn+0x68b/0xa00
[  351.001558]  ? sort_range+0x30/0x30
[  351.005196]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  351.010308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.015884]  ? __kthread_parkme+0xfb/0x1a0
[  351.020155]  ? sort_range+0x30/0x30
[  351.023795]  kthread+0x35a/0x440
[  351.027166]  ? kthread_stop+0x900/0x900
[  351.031153]  ret_from_fork+0x3a/0x50
[  351.034901] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  351.034975] aoe: skb alloc failure
[  351.041487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.041500] Call Trace:
[  351.045102] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.054387]  <IRQ>
[  351.056966] ksoftirqd/0 cpuset=/ mems_allowed=0
[  351.067282]  dump_stack+0x244/0x39d
[  351.077740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.082976]  warn_alloc.cold.116+0xb7/0x1bd
[  351.087309]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.092163]  ? lock_downgrade+0x900/0x900
[  351.096336]  ? trace_hardirqs_off+0xb8/0x310
[  351.100761]  ? trace_hardirqs_off+0xb8/0x310
[  351.105197]  __alloc_pages_slowpath+0x26e8/0x2e10
[  351.110078]  ? warn_alloc+0x120/0x120
[  351.113896]  ? print_usage_bug+0xc0/0xc0
[  351.117979]  ? warn_alloc+0x120/0x120
[  351.121788]  ? warn_alloc+0x120/0x120
[  351.125638]  ? print_usage_bug+0xc0/0xc0
[  351.129739]  ? print_usage_bug+0xc0/0xc0
[  351.133809]  ? __lock_acquire+0x62f/0x4c20
[  351.138092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.143669]  ? should_fail+0x22d/0xd01
[  351.147564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.152672]  ? __lock_acquire+0x62f/0x4c20
[  351.156930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.162034]  ? __lock_acquire+0x62f/0x4c20
[  351.166295]  ? should_fail+0x22d/0xd01
[  351.170238]  ? find_held_lock+0x36/0x1c0
[  351.174318]  ? mark_held_locks+0x130/0x130
[  351.178566]  ? mark_held_locks+0x130/0x130
[  351.182836]  ? zap_class+0x640/0x640
[  351.186597]  ? zap_class+0x640/0x640
[  351.190325]  ? print_usage_bug+0xc0/0xc0
[  351.194390]  ? do_raw_spin_unlock+0xa7/0x330
[  351.198803]  ? zap_class+0x640/0x640
[  351.202522]  ? print_usage_bug+0xc0/0xc0
[  351.206590]  ? wq_watchdog_touch+0x9c/0xfe
[  351.210840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.216384]  ? check_preemption_disabled+0x48/0x280
[  351.221415]  ? __lock_is_held+0xb5/0x140
[  351.225492]  __alloc_pages_nodemask+0xa80/0xde0
[  351.230168]  ? zap_class+0x640/0x640
[  351.233893]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.238926]  ? find_held_lock+0x36/0x1c0
[  351.243002]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.247687]  ? lock_downgrade+0x900/0x900
[  351.251851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.257401]  cache_grow_begin+0xa5/0x8c0
[  351.261471]  ? do_raw_spin_unlock+0xa7/0x330
[  351.265914]  fallback_alloc+0x204/0x2e0
[  351.269902]  ____cache_alloc_node+0x1c7/0x1e0
[  351.274408]  kmem_cache_alloc_node+0xe3/0x730
[  351.278907]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.283166]  __alloc_skb+0x119/0x770
[  351.286883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.292171]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.296590]  ? lock_downgrade+0x900/0x900
[  351.300759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.306304]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.311765]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.317221]  ? addrconf_rs_timer+0x690/0x690
[  351.321654]  ndisc_alloc_skb+0x144/0x340
[  351.325728]  ndisc_send_rs+0x331/0x6e0
[  351.329668]  addrconf_rs_timer+0x314/0x690
[  351.333915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.338187]  call_timer_fn+0x272/0x920
[  351.342080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.346321]  ? process_timeout+0x40/0x40
[  351.350399]  ? mark_held_locks+0xc7/0x130
[  351.354559]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.359062]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.363561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.367801]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.372393]  ? trace_hardirqs_on+0xbd/0x310
[  351.376720]  ? kasan_check_read+0x11/0x20
[  351.380873]  ? __run_timers+0x7da/0xc70
[  351.384853]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.389967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.394220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.398462]  __run_timers+0x7e5/0xc70
[  351.402282]  ? timer_fixup_init+0x70/0x70
[  351.406441]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.411461]  ? zap_class+0x640/0x640
[  351.415190]  ? print_usage_bug+0xc0/0xc0
[  351.419261]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.424482]  ? find_held_lock+0x36/0x1c0
[  351.428558]  ? zap_class+0x640/0x640
[  351.432283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.437827]  ? check_preemption_disabled+0x48/0x280
[  351.442859]  ? __lock_is_held+0xb5/0x140
[  351.446930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.452483]  ? check_preemption_disabled+0x48/0x280
[  351.457515]  run_timer_softirq+0x52/0xb0
[  351.461595]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.466625]  __do_softirq+0x308/0xb7e
[  351.470447]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.474944]  ? lock_downgrade+0x900/0x900
[  351.479099]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.484219]  ? pvclock_read_flags+0x160/0x160
[  351.488727]  ? lapic_next_event+0x5a/0x90
[  351.492888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.498437]  ? kvm_clock_read+0x18/0x30
[  351.502420]  ? kvm_sched_clock_read+0x9/0x20
[  351.506837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.512381]  ? check_preemption_disabled+0x48/0x280
[  351.517413]  irq_exit+0x17f/0x1c0
[  351.520870]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.525715]  ? smp_reschedule_interrupt+0x109/0x650
[  351.530740]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.536638]  ? interrupt_entry+0xb5/0xc0
[  351.540707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.545726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.550750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.555629]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.560653]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.565674]  ? task_prio+0x50/0x50
[  351.569223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.574769]  ? check_preemption_disabled+0x48/0x280
[  351.579797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.584661]  apic_timer_interrupt+0xf/0x20
[  351.588892]  </IRQ>
[  351.591135] RIP: 0010:console_unlock+0x102f/0x1190
[  351.596072] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  351.614976] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  351.622690] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  351.629963] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  351.637236] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  351.644505] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  351.651778] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  351.659065]  ? netconsole_netdev_event+0x280/0x280
[  351.664005]  ? console_unlock+0x1026/0x1190
[  351.668362]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  351.673031]  ? vprintk_emit+0x846/0x990
[  351.677017]  ? lock_release+0xa00/0xa00
[  351.680999]  ? trace_hardirqs_on+0x20/0x310
[  351.685324]  ? vprintk_default+0x28/0x30
[  351.689389]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.694502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.700051]  vprintk_emit+0x391/0x990
[  351.703872]  ? wake_up_klogd+0x180/0x180
[  351.707946]  ? match_held_lock+0x8c1/0x8d0
[  351.712205]  ? mark_held_locks+0xc7/0x130
[  351.716366]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.720867]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.725375]  vprintk_default+0x28/0x30
[  351.729290]  vprintk_func+0x7e/0x181
[  351.733014]  printk+0xa7/0xcf
[  351.736125]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  351.740897]  ? _raw_spin_unlock_irq+0x60/0x80
[  351.745415]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  351.750710]  dump_header+0x7cc/0xf72
[  351.754446]  ? pagefault_out_of_memory+0x197/0x197
[  351.759390]  ? __lock_acquire+0x62f/0x4c20
[  351.763638]  ? percpu_ref_get_many+0x240/0x240
[  351.768229]  ? print_usage_bug+0xc0/0xc0
[  351.772306]  ? zap_class+0x640/0x640
[  351.776028]  ? print_usage_bug+0xc0/0xc0
[  351.780096]  ? zap_class+0x640/0x640
[  351.783823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.789372]  ? find_held_lock+0x36/0x1c0
[  351.793456]  ? mark_held_locks+0xc7/0x130
[  351.797611]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  351.802732]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  351.807840]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.812441]  ? trace_hardirqs_on+0xbd/0x310
[  351.816766]  ? kasan_check_read+0x11/0x20
[  351.820946]  ? ___ratelimit+0x3b4/0x672
[  351.824943]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.830052]  ? trace_hardirqs_on+0x310/0x310
[  351.834468]  ? lock_downgrade+0x900/0x900
[  351.838638]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  351.843761]  ? ___ratelimit+0x3b9/0x672
[  351.847741]  ? idr_get_free+0xf70/0xf70
[  351.851720]  ? find_held_lock+0x36/0x1c0
[  351.855796]  oom_kill_process.cold.27+0x10/0x903
[  351.860557]  ? zap_class+0x640/0x640
[  351.864274]  ? check_preemption_disabled+0x48/0x280
[  351.869298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.874231]  ? kasan_check_read+0x11/0x20
[  351.878381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.883667]  ? oom_evaluate_task+0x540/0x540
[  351.888084]  ? find_held_lock+0x36/0x1c0
[  351.892160]  ? out_of_memory+0x974/0x1430
[  351.896317]  ? lock_downgrade+0x900/0x900
[  351.900469]  ? check_preemption_disabled+0x48/0x280
[  351.905498]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.910439]  ? kasan_check_read+0x11/0x20
[  351.914604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.919900]  ? rcu_softirq_qs+0x20/0x20
[  351.923886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.929425]  ? oom_evaluate_task+0x302/0x540
[  351.933841]  out_of_memory+0xa84/0x1430
[  351.937832]  ? oom_killer_disable+0x3a0/0x3a0
[  351.942334]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  351.947271]  ? __ww_mutex_check_waiters+0x160/0x160
[  351.952306]  __alloc_pages_slowpath+0x2354/0x2e10
[  351.957191]  ? warn_alloc+0x120/0x120
[  351.960992]  ? mark_held_locks+0x130/0x130
[  351.965249]  ? find_get_entry+0xaae/0x1120
[  351.969500]  ? filemap_map_pages+0x1a20/0x1a20
[  351.974102]  ? zap_class+0x640/0x640
[  351.977838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.983382]  ? check_preemption_disabled+0x48/0x280
[  351.988404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.993945]  ? should_fail+0x22d/0xd01
[  351.997843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.002955]  ? zap_class+0x640/0x640
[  352.006702]  ? __lock_is_held+0xb5/0x140
[  352.010783]  ? mark_held_locks+0x130/0x130
[  352.015025]  ? lock_release+0xa00/0xa00
[  352.019009]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.024466]  ? xa_load+0x2ba/0x460
[  352.028016]  ? lock_downgrade+0x900/0x900
[  352.032192]  ? __might_sleep+0x95/0x190
[  352.036177]  __alloc_pages_nodemask+0xa80/0xde0
[  352.040869]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.045894]  ? __page_cache_alloc+0x191/0x5c0
[  352.050391]  ? xa_load+0x2e1/0x460
[  352.053936]  ? xa_clear_mark+0x40/0x40
[  352.057831]  ? zap_class+0x640/0x640
[  352.061559]  ? zap_class+0x640/0x640
[  352.065281]  ? zap_class+0x640/0x640
[  352.069000]  ? __do_page_cache_readahead+0x663/0x810
[  352.074113]  ? find_held_lock+0x36/0x1c0
[  352.078188]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  352.083742]  alloc_pages_current+0x173/0x350
[  352.088165]  __page_cache_alloc+0x38c/0x5c0
[  352.092489]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.097425]  ? kasan_check_read+0x11/0x20
[  352.101626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.106916]  ? generic_perform_write+0x6a0/0x6a0
[  352.111678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.117225]  ? check_preemption_disabled+0x48/0x280
[  352.122293]  filemap_fault+0x1595/0x25f0
[  352.126379]  ? __lock_page_or_retry+0xa00/0xa00
[  352.131076]  ? mark_held_locks+0x130/0x130
[  352.135323]  ? filemap_map_pages+0xd6b/0x1a20
[  352.139828]  ? lock_downgrade+0x900/0x900
[  352.143979]  ? check_preemption_disabled+0x48/0x280
[  352.149003]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.153936]  ? kasan_check_read+0x11/0x20
[  352.158087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.163380]  ? rcu_softirq_qs+0x20/0x20
[  352.167377]  ? filemap_map_pages+0xd92/0x1a20
[  352.171891]  ? find_get_entries_tag+0x1400/0x1400
[  352.176740]  ? debug_object_destroy+0x2b0/0x2b0
[  352.181414]  ? lock_pi_update_atomic+0x150/0x150
[  352.186178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.191739]  ? lock_acquire+0x1ed/0x520
[  352.195718]  ? ext4_filemap_fault+0x7a/0xad
[  352.200051]  ? lock_release+0xa00/0xa00
[  352.204029]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.209486]  ? print_usage_bug+0xc0/0xc0
[  352.213555]  ? print_usage_bug+0xc0/0xc0
[  352.217640]  ? down_read+0x8d/0x120
[  352.221287]  ? ext4_filemap_fault+0x7a/0xad
[  352.225622]  ? __down_interruptible+0x700/0x700
[  352.230308]  ext4_filemap_fault+0x82/0xad
[  352.234462]  __do_fault+0x100/0x6b0
[  352.238099]  ? pmd_devmap_trans_unstable+0x220/0x220
[  352.243223]  ? mark_held_locks+0x130/0x130
[  352.247473]  ? mark_held_locks+0x130/0x130
[  352.251715]  ? debug_smp_processor_id+0x1c/0x20
[  352.256388]  ? perf_trace_lock+0x14d/0x7a0
[  352.260642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.266196]  __handle_mm_fault+0x3ea6/0x5be0
[  352.270638]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  352.275487]  ? lock_is_held_type+0x210/0x210
[  352.279910]  ? ksys_dup3+0x680/0x680
[  352.283650]  ? zap_class+0x640/0x640
[  352.287368]  ? zap_class+0x640/0x640
[  352.291085]  ? __x64_sys_futex+0x53e/0x6a0
[  352.295328]  ? find_held_lock+0x36/0x1c0
[  352.299403]  ? handle_mm_fault+0x42a/0xc70
[  352.303650]  ? lock_downgrade+0x900/0x900
[  352.307803]  ? check_preemption_disabled+0x48/0x280
[  352.312828]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.317764]  ? kasan_check_read+0x11/0x20
[  352.321918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.327203]  ? rcu_softirq_qs+0x20/0x20
[  352.331328]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.336439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.341990]  ? check_preemption_disabled+0x48/0x280
[  352.347034]  handle_mm_fault+0x54f/0xc70
[  352.351105]  ? __handle_mm_fault+0x5be0/0x5be0
[  352.355702]  ? find_vma+0x34/0x190
[  352.359258]  __do_page_fault+0x5e8/0xe60
[  352.363327]  ? trace_hardirqs_off+0xb8/0x310
[  352.367869]  do_page_fault+0xf2/0x7e0
[  352.371676]  ? vmalloc_sync_all+0x30/0x30
[  352.375829]  ? error_entry+0x70/0xd0
[  352.379548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.384566]  ? trace_hardirqs_on_caller+0xc0/0x310
[  352.389501]  ? syscall_return_slowpath+0x5e0/0x5e0
[  352.394435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.399289]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.404318]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  352.409790]  ? prepare_exit_to_usermode+0x291/0x3b0
[  352.414809]  ? page_fault+0x8/0x30
[  352.418357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.423229]  ? page_fault+0x8/0x30
[  352.426789]  page_fault+0x1e/0x30
[  352.430246] RIP: 0033:0x40f9c0
[  352.433456] Code: Bad RIP value.
[  352.437291] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  352.442656] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  352.449926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  352.457198] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  352.464471] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  352.471743] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  352.479048] warn_alloc_show_mem: 1 callbacks suppressed
[  352.479060] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  352.479062] Mem-Info:
[  352.479095] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  352.479095]  active_file:15 inactive_file:12 isolated_file:0
[  352.479095]  unevictable:0 dirty:0 writeback:0 unstable:0
[  352.479095]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  352.479095]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  352.479095]  free:13790 free_pcp:473 free_cma:0
[  352.484438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.490863] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  352.493267] Call Trace:
[  352.526318] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  352.535678]  dump_stack+0x244/0x39d
[  352.563321] lowmem_reserve[]: 0 2818 6321 6321
[  352.565922]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.592036] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  352.595682]  warn_alloc.cold.116+0xb7/0x1bd
[  352.600231] lowmem_reserve[]: 0 0 3503 3503
[  352.605424]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.632904] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  352.637232]  ? lock_downgrade+0x900/0x900
[  352.641526] lowmem_reserve[]: 0 0 0 0
[  352.646384]  ? trace_hardirqs_off+0xb8/0x310
[  352.675507] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  352.679659]  ? trace_hardirqs_off+0xb8/0x310
[  352.683437] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  352.687850]  __alloc_pages_slowpath+0x26e8/0x2e10
[  352.701349] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  352.705784]  ? warn_alloc+0x120/0x120
[  352.721094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  352.725936]  ? warn_alloc+0x120/0x120
[  352.741270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  352.745065]  ? warn_alloc+0x120/0x120
[  352.753879] 2571 total pagecache pages
[  352.757683]  ? print_usage_bug+0xc0/0xc0
[  352.766245] 0 pages in swap cache
[  352.770038]  ? print_usage_bug+0xc0/0xc0
[  352.773912] Swap cache stats: add 0, delete 0, find 0/0
[  352.777968]  ? mark_held_locks+0x130/0x130
[  352.781400] Free swap  = 0kB
[  352.785459]  ? mark_held_locks+0x130/0x130
[  352.790803] Total swap = 0kB
[  352.795048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.798050] 1965979 pages RAM
[  352.802282]  ? should_fail+0x22d/0xd01
[  352.805285] 0 pages HighMem/MovableOnly
[  352.810825]  ? zap_class+0x640/0x640
[  352.813912] 342855 pages reserved
[  352.817797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.821764] 0 pages cma reserved
[  352.825480]  ? __lock_acquire+0x62f/0x4c20
[  352.828972] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.834014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.837461] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.841611]  ? __lock_acquire+0x62f/0x4c20
[  352.848094] syz-fuzzer cpuset=/ mems_allowed=0
[  352.853205]  ? should_fail+0x22d/0xd01
[  352.876134]  ? mark_held_locks+0x130/0x130
[  352.880381]  ? mark_held_locks+0x130/0x130
[  352.884621]  ? lock_downgrade+0x900/0x900
[  352.888777]  ? zap_class+0x640/0x640
[  352.892498]  ? zap_class+0x640/0x640
[  352.896214]  ? do_raw_spin_unlock+0xa7/0x330
[  352.900629]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.905394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.910944]  ? check_preemption_disabled+0x48/0x280
[  352.915974]  ? __lock_is_held+0xb5/0x140
[  352.920048]  __alloc_pages_nodemask+0xa80/0xde0
[  352.924732]  ? zap_class+0x640/0x640
[  352.928455]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.933494]  ? find_held_lock+0x36/0x1c0
[  352.937570]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.942271]  ? lock_downgrade+0x900/0x900
[  352.946431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.951987]  cache_grow_begin+0xa5/0x8c0
[  352.956051]  ? do_raw_spin_unlock+0xa7/0x330
[  352.960477]  fallback_alloc+0x204/0x2e0
[  352.964466]  ____cache_alloc_node+0x1c7/0x1e0
[  352.968974]  kmem_cache_alloc_node+0xe3/0x730
[  352.973474]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.978067]  __alloc_skb+0x119/0x770
[  352.981809]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  352.987183]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.991609]  ? vprintk_default+0x28/0x30
[  352.995676]  ? vprintk_func+0x85/0x181
[  352.999570]  ? printk+0xa7/0xcf
[  353.002883]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  353.007657]  new_skb+0x26/0x1c0
[  353.010941]  aoecmd_cfg+0x279/0x7f0
[  353.014576]  ? find_held_lock+0x36/0x1c0
[  353.018648]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  353.022981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.028537]  ? __lock_is_held+0xb5/0x140
[  353.032615]  discover_timer+0x50/0x60
[  353.036424]  call_timer_fn+0x272/0x920
[  353.040319]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.045168]  ? process_timeout+0x40/0x40
[  353.049243]  ? __run_timers+0x7da/0xc70
[  353.053230]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.057731]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.062231]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.067090]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.071684]  ? trace_hardirqs_on+0xbd/0x310
[  353.076012]  ? kasan_check_read+0x11/0x20
[  353.080165]  ? __run_timers+0x7da/0xc70
[  353.084173]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.089296]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.094146]  __run_timers+0x7e5/0xc70
[  353.097965]  ? timer_fixup_init+0x70/0x70
[  353.102127]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.106629]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.111144]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.115731]  ? trace_hardirqs_on+0xbd/0x310
[  353.120062]  ? kasan_check_read+0x11/0x20
[  353.124216]  ? finish_task_switch+0x1f4/0x910
[  353.128730]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.133839]  ? compat_start_thread+0x80/0x80
[  353.138274]  ? pvclock_read_flags+0x160/0x160
[  353.142773]  ? __switch_to_asm+0x34/0x70
[  353.146859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.152402]  ? check_preemption_disabled+0x48/0x280
[  353.157432]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  353.162975]  ? rcu_pm_notify+0xc0/0xc0
[  353.166867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.172412]  ? check_preemption_disabled+0x48/0x280
[  353.177475]  run_timer_softirq+0x52/0xb0
[  353.181540]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.186573]  __do_softirq+0x308/0xb7e
[  353.190383]  ? trace_hardirqs_on_caller+0xc0/0x310
[  353.195320]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.200465]  ? schedule+0x108/0x460
[  353.204111]  ? trace_hardirqs_off+0xb8/0x310
[  353.208532]  ? smpboot_thread_fn+0x68b/0xa00
[  353.212948]  ? trace_hardirqs_on+0x310/0x310
[  353.217451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.222992]  ? check_preemption_disabled+0x48/0x280
[  353.228016]  ? takeover_tasklets+0xa90/0xa90
[  353.232429]  run_ksoftirqd+0x5e/0x100
[  353.236237]  smpboot_thread_fn+0x68b/0xa00
[  353.240483]  ? sort_range+0x30/0x30
[  353.244122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.249235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.254779]  ? __kthread_parkme+0xfb/0x1a0
[  353.259022]  ? sort_range+0x30/0x30
[  353.262653]  kthread+0x35a/0x440
[  353.266024]  ? kthread_stop+0x900/0x900
[  353.270007]  ret_from_fork+0x3a/0x50
[  353.273757] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  353.273829] aoe: skb alloc failure
[  353.280343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.280349] Call Trace:
[  353.280356]  <IRQ>
[  353.280375]  dump_stack+0x244/0x39d
[  353.280395]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.283947] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.293291]  warn_alloc.cold.116+0xb7/0x1bd
[  353.295850] ksoftirqd/0 cpuset=/ mems_allowed=0
[  353.298003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.330905]  ? lock_downgrade+0x900/0x900
[  353.335094]  ? trace_hardirqs_off+0xb8/0x310
[  353.339524]  ? trace_hardirqs_off+0xb8/0x310
[  353.343947]  __alloc_pages_slowpath+0x26e8/0x2e10
[  353.348823]  ? warn_alloc+0x120/0x120
[  353.352641]  ? print_usage_bug+0xc0/0xc0
[  353.356710]  ? warn_alloc+0x120/0x120
[  353.360544]  ? warn_alloc+0x120/0x120
[  353.364360]  ? print_usage_bug+0xc0/0xc0
[  353.368423]  ? kvm_clock_read+0x18/0x30
[  353.372403]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  353.377425]  ? print_usage_bug+0xc0/0xc0
[  353.381491]  ? __lock_acquire+0x62f/0x4c20
[  353.385733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.391273]  ? should_fail+0x22d/0xd01
[  353.395163]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.400447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.405558]  ? __lock_acquire+0x62f/0x4c20
[  353.409805]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.414907]  ? __lock_acquire+0x62f/0x4c20
[  353.419156]  ? should_fail+0x22d/0xd01
[  353.423041]  ? rcu_irq_exit+0x1a2/0x390
[  353.427030]  ? mark_held_locks+0x130/0x130
[  353.431276]  ? mark_held_locks+0x130/0x130
[  353.435518]  ? mark_held_locks+0xc7/0x130
[  353.439684]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  353.444706]  ? zap_class+0x640/0x640
[  353.448422]  ? print_usage_bug+0xc0/0xc0
[  353.452490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.458033]  ? check_preemption_disabled+0x48/0x280
[  353.463061]  ? __lock_is_held+0xb5/0x140
[  353.467132]  __alloc_pages_nodemask+0xa80/0xde0
[  353.471804]  ? zap_class+0x640/0x640
[  353.475560]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.480586]  ? find_held_lock+0x36/0x1c0
[  353.484663]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.489338]  ? lock_downgrade+0x900/0x900
[  353.493496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.499040]  cache_grow_begin+0xa5/0x8c0
[  353.503100]  ? do_raw_spin_unlock+0xa7/0x330
[  353.507519]  fallback_alloc+0x204/0x2e0
[  353.511499]  ____cache_alloc_node+0x1c7/0x1e0
[  353.515999]  kmem_cache_alloc_node+0xe3/0x730
[  353.520494]  ? ipv6_get_ifaddr+0x42e/0x620
[  353.524742]  __alloc_skb+0x119/0x770
[  353.528465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.533748]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.538162]  ? lock_downgrade+0x900/0x900
[  353.542320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.547868]  ? refcount_sub_and_test_checked+0x203/0x310
[  353.553323]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  353.558773]  ? addrconf_rs_timer+0x690/0x690
[  353.563197]  ndisc_alloc_skb+0x144/0x340
[  353.567265]  ndisc_send_rs+0x331/0x6e0
[  353.571159]  addrconf_rs_timer+0x314/0x690
[  353.575403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.579661]  call_timer_fn+0x272/0x920
[  353.583550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.587786]  ? process_timeout+0x40/0x40
[  353.591860]  ? mark_held_locks+0xc7/0x130
[  353.596015]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.600511]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.605005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.609242]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.613831]  ? trace_hardirqs_on+0xbd/0x310
[  353.618162]  ? kasan_check_read+0x11/0x20
[  353.622312]  ? __run_timers+0x7da/0xc70
[  353.626290]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.631400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.635653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.639895]  __run_timers+0x7e5/0xc70
[  353.643710]  ? timer_fixup_init+0x70/0x70
[  353.647862]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.652883]  ? zap_class+0x640/0x640
[  353.656649]  ? print_usage_bug+0xc0/0xc0
[  353.660748]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  353.665981]  ? find_held_lock+0x36/0x1c0
[  353.670053]  ? zap_class+0x640/0x640
[  353.673779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.679319]  ? check_preemption_disabled+0x48/0x280
[  353.684347]  ? __lock_is_held+0xb5/0x140
[  353.688412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.693955]  ? check_preemption_disabled+0x48/0x280
[  353.698980]  run_timer_softirq+0x52/0xb0
[  353.703070]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.708097]  __do_softirq+0x308/0xb7e
[  353.711902]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  353.716398]  ? lock_downgrade+0x900/0x900
[  353.720552]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.725666]  ? pvclock_read_flags+0x160/0x160
[  353.730166]  ? lapic_next_event+0x5a/0x90
[  353.734319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.739886]  ? kvm_clock_read+0x18/0x30
[  353.743890]  ? kvm_sched_clock_read+0x9/0x20
[  353.748317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.753856]  ? check_preemption_disabled+0x48/0x280
[  353.758887]  irq_exit+0x17f/0x1c0
[  353.762344]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.767189]  ? smp_reschedule_interrupt+0x109/0x650
[  353.772236]  ? smp_call_function_single_interrupt+0x650/0x650
[  353.778126]  ? interrupt_entry+0xb5/0xc0
[  353.782199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.787236]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.792258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.797125]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.802149]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.807172]  ? task_prio+0x50/0x50
[  353.810716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.816272]  ? check_preemption_disabled+0x48/0x280
[  353.821300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.826155]  apic_timer_interrupt+0xf/0x20
[  353.830386]  </IRQ>
[  353.832662] RIP: 0010:console_unlock+0x102f/0x1190
[  353.837606] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  353.856512] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  353.864220] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  353.871491] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  353.878757] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  353.886030] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  353.893304] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  353.900593]  ? netconsole_netdev_event+0x280/0x280
[  353.905540]  ? console_unlock+0x1026/0x1190
[  353.909889]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  353.914560]  ? vprintk_emit+0x846/0x990
[  353.918561]  ? lock_release+0xa00/0xa00
[  353.922537]  ? trace_hardirqs_on+0x20/0x310
[  353.926858]  ? vprintk_default+0x28/0x30
[  353.930934]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.936043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.941590]  vprintk_emit+0x391/0x990
[  353.945402]  ? wake_up_klogd+0x180/0x180
[  353.949473]  ? match_held_lock+0x8c1/0x8d0
[  353.953725]  ? mark_held_locks+0xc7/0x130
[  353.957881]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.962380]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.966884]  vprintk_default+0x28/0x30
[  353.970786]  vprintk_func+0x7e/0x181
[  353.974525]  printk+0xa7/0xcf
[  353.977638]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  353.982417]  ? _raw_spin_unlock_irq+0x60/0x80
[  353.986951]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  353.992254]  dump_header+0x7cc/0xf72
[  353.995986]  ? pagefault_out_of_memory+0x197/0x197
[  354.000929]  ? __lock_acquire+0x62f/0x4c20
[  354.005172]  ? percpu_ref_get_many+0x240/0x240
[  354.009767]  ? print_usage_bug+0xc0/0xc0
[  354.013859]  ? zap_class+0x640/0x640
[  354.017584]  ? print_usage_bug+0xc0/0xc0
[  354.021655]  ? zap_class+0x640/0x640
[  354.025380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.030931]  ? find_held_lock+0x36/0x1c0
[  354.035016]  ? mark_held_locks+0xc7/0x130
[  354.039169]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  354.044305]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  354.049411]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  354.053994]  ? trace_hardirqs_on+0xbd/0x310
[  354.058328]  ? kasan_check_read+0x11/0x20
[  354.062481]  ? ___ratelimit+0x3b4/0x672
[  354.066478]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.071601]  ? trace_hardirqs_on+0x310/0x310
[  354.076017]  ? lock_downgrade+0x900/0x900
[  354.080176]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  354.085284]  ? ___ratelimit+0x3b9/0x672
[  354.089263]  ? idr_get_free+0xf70/0xf70
[  354.093250]  ? find_held_lock+0x36/0x1c0
[  354.097341]  oom_kill_process.cold.27+0x10/0x903
[  354.102110]  ? zap_class+0x640/0x640
[  354.105827]  ? check_preemption_disabled+0x48/0x280
[  354.110873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.115815]  ? kasan_check_read+0x11/0x20
[  354.119990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.125275]  ? oom_evaluate_task+0x540/0x540
[  354.129738]  ? find_held_lock+0x36/0x1c0
[  354.133807]  ? out_of_memory+0x974/0x1430
[  354.137958]  ? lock_downgrade+0x900/0x900
[  354.142115]  ? check_preemption_disabled+0x48/0x280
[  354.147141]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.152072]  ? kasan_check_read+0x11/0x20
[  354.156245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.161528]  ? rcu_softirq_qs+0x20/0x20
[  354.165515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.171055]  ? oom_evaluate_task+0x302/0x540
[  354.175472]  out_of_memory+0xa84/0x1430
[  354.179463]  ? oom_killer_disable+0x3a0/0x3a0
[  354.183966]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  354.188917]  ? __ww_mutex_check_waiters+0x160/0x160
[  354.193968]  __alloc_pages_slowpath+0x2354/0x2e10
[  354.198848]  ? warn_alloc+0x120/0x120
[  354.202652]  ? mark_held_locks+0x130/0x130
[  354.206905]  ? find_get_entry+0xaae/0x1120
[  354.211157]  ? filemap_map_pages+0x1a20/0x1a20
[  354.215751]  ? zap_class+0x640/0x640
[  354.219477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.225032]  ? check_preemption_disabled+0x48/0x280
[  354.230050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.235634]  ? should_fail+0x22d/0xd01
[  354.239537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.244649]  ? zap_class+0x640/0x640
[  354.248397]  ? __lock_is_held+0xb5/0x140
[  354.252475]  ? mark_held_locks+0x130/0x130
[  354.256714]  ? lock_release+0xa00/0xa00
[  354.260730]  ? perf_trace_sched_process_exec+0x860/0x860
[  354.266182]  ? xa_load+0x2ba/0x460
[  354.269729]  ? lock_downgrade+0x900/0x900
[  354.273897]  ? __might_sleep+0x95/0x190
[  354.277882]  __alloc_pages_nodemask+0xa80/0xde0
[  354.282562]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  354.287582]  ? __page_cache_alloc+0x191/0x5c0
[  354.292084]  ? xa_load+0x2e1/0x460
[  354.295640]  ? xa_clear_mark+0x40/0x40
[  354.299534]  ? zap_class+0x640/0x640
[  354.303260]  ? zap_class+0x640/0x640
[  354.306977]  ? zap_class+0x640/0x640
[  354.310741]  ? __do_page_cache_readahead+0x663/0x810
[  354.315853]  ? find_held_lock+0x36/0x1c0
[  354.319925]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  354.325477]  alloc_pages_current+0x173/0x350
[  354.330102]  __page_cache_alloc+0x38c/0x5c0
[  354.334432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.339364]  ? kasan_check_read+0x11/0x20
[  354.343517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.348811]  ? generic_perform_write+0x6a0/0x6a0
[  354.353573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.359132]  ? check_preemption_disabled+0x48/0x280
[  354.364162]  filemap_fault+0x1595/0x25f0
[  354.368244]  ? __lock_page_or_retry+0xa00/0xa00
[  354.372924]  ? mark_held_locks+0x130/0x130
[  354.377186]  ? filemap_map_pages+0xd6b/0x1a20
[  354.381718]  ? lock_downgrade+0x900/0x900
[  354.385870]  ? check_preemption_disabled+0x48/0x280
[  354.390896]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.395829]  ? kasan_check_read+0x11/0x20
[  354.399981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.405259]  ? rcu_softirq_qs+0x20/0x20
[  354.409254]  ? filemap_map_pages+0xd92/0x1a20
[  354.413790]  ? find_get_entries_tag+0x1400/0x1400
[  354.418640]  ? debug_object_destroy+0x2b0/0x2b0
[  354.423314]  ? lock_pi_update_atomic+0x150/0x150
[  354.428073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.433634]  ? lock_acquire+0x1ed/0x520
[  354.438121]  ? ext4_filemap_fault+0x7a/0xad
[  354.442460]  ? lock_release+0xa00/0xa00
[  354.446435]  ? perf_trace_sched_process_exec+0x860/0x860
[  354.451889]  ? print_usage_bug+0xc0/0xc0
[  354.455964]  ? print_usage_bug+0xc0/0xc0
[  354.460050]  ? down_read+0x8d/0x120
[  354.463677]  ? ext4_filemap_fault+0x7a/0xad
[  354.468000]  ? __down_interruptible+0x700/0x700
[  354.472709]  ext4_filemap_fault+0x82/0xad
[  354.476865]  __do_fault+0x100/0x6b0
[  354.480500]  ? pmd_devmap_trans_unstable+0x220/0x220
[  354.485636]  ? mark_held_locks+0x130/0x130
[  354.489879]  ? mark_held_locks+0x130/0x130
[  354.494125]  ? debug_smp_processor_id+0x1c/0x20
[  354.498799]  ? perf_trace_lock+0x14d/0x7a0
[  354.503086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.508652]  __handle_mm_fault+0x3ea6/0x5be0
[  354.513070]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  354.517922]  ? lock_is_held_type+0x210/0x210
[  354.522339]  ? ksys_dup3+0x680/0x680
[  354.526068]  ? zap_class+0x640/0x640
[  354.529788]  ? zap_class+0x640/0x640
[  354.533502]  ? __x64_sys_futex+0x53e/0x6a0
[  354.537742]  ? find_held_lock+0x36/0x1c0
[  354.541814]  ? handle_mm_fault+0x42a/0xc70
[  354.546054]  ? lock_downgrade+0x900/0x900
[  354.550208]  ? check_preemption_disabled+0x48/0x280
[  354.555243]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.560176]  ? kasan_check_read+0x11/0x20
[  354.564325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.569629]  ? rcu_softirq_qs+0x20/0x20
[  354.573612]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.578734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.584275]  ? check_preemption_disabled+0x48/0x280
[  354.589302]  handle_mm_fault+0x54f/0xc70
[  354.593370]  ? __handle_mm_fault+0x5be0/0x5be0
[  354.597958]  ? find_vma+0x34/0x190
[  354.601507]  __do_page_fault+0x5e8/0xe60
[  354.605582]  ? trace_hardirqs_off+0xb8/0x310
[  354.610007]  do_page_fault+0xf2/0x7e0
[  354.613844]  ? vmalloc_sync_all+0x30/0x30
[  354.617993]  ? error_entry+0x70/0xd0
[  354.621709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.626735]  ? trace_hardirqs_on_caller+0xc0/0x310
[  354.631672]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.636603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.641457]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.646479]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  354.651941]  ? prepare_exit_to_usermode+0x291/0x3b0
[  354.656961]  ? page_fault+0x8/0x30
[  354.660505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.665366]  ? page_fault+0x8/0x30
[  354.668926]  page_fault+0x1e/0x30
[  354.672377] RIP: 0033:0x40f9c0
[  354.675592] Code: Bad RIP value.
[  354.678976] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  354.684367] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  354.691639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  354.698906] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  354.706174] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  354.713441] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  354.720743] warn_alloc_show_mem: 1 callbacks suppressed
[  354.720754] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  354.720756] Mem-Info:
[  354.720786] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  354.720786]  active_file:15 inactive_file:12 isolated_file:0
[  354.720786]  unevictable:0 dirty:0 writeback:0 unstable:0
[  354.720786]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  354.720786]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  354.720786]  free:13790 free_pcp:473 free_cma:0
[  354.726151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.732573] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  354.734974] Call Trace:
[  354.768025] 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
[  354.777380]  dump_stack+0x244/0x39d
[  354.805045] lowmem_reserve[]: 0 2818 6321 6321
[  354.807637]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.833734] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  354.837370]  warn_alloc.cold.116+0xb7/0x1bd
[  354.841919] lowmem_reserve[]: 0 0 3503 3503
[  354.847111]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.874598] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  354.878924]  ? lock_downgrade+0x900/0x900
[  354.883224] lowmem_reserve[]: 0 0 0 0
[  354.888073]  ? trace_hardirqs_off+0xb8/0x310
[  354.917196] 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
[  354.921352]  ? trace_hardirqs_off+0xb8/0x310
[  354.925135] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  354.929548]  __alloc_pages_slowpath+0x26e8/0x2e10
[  354.943147] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  354.947582]  ? warn_alloc+0x120/0x120
[  354.962899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.967735]  ? warn_alloc+0x120/0x120
[  354.983065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.986868]  ? warn_alloc+0x120/0x120
[  354.995685] 2571 total pagecache pages
[  354.999482]  ? print_usage_bug+0xc0/0xc0
[  355.008042] 0 pages in swap cache
[  355.011834]  ? print_usage_bug+0xc0/0xc0
[  355.015701] Swap cache stats: add 0, delete 0, find 0/0
[  355.019758]  ? mark_held_locks+0x130/0x130
[  355.023200] Free swap  = 0kB
[  355.027256]  ? mark_held_locks+0x130/0x130
[  355.032601] Total swap = 0kB
[  355.036835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.039833] 1965979 pages RAM
[  355.044067]  ? should_fail+0x22d/0xd01
[  355.047065] 0 pages HighMem/MovableOnly
[  355.052611]  ? zap_class+0x640/0x640
[  355.055701] 342855 pages reserved
[  355.059587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.063567] 0 pages cma reserved
[  355.067276]  ? __lock_acquire+0x62f/0x4c20
[  355.070789] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.075811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.075825]  ? __lock_acquire+0x62f/0x4c20
[  355.075842]  ? should_fail+0x22d/0xd01
[  355.079287] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.083485]  ? mark_held_locks+0x130/0x130
[  355.089948] syz-fuzzer cpuset=/ mems_allowed=0
[  355.095074]  ? mark_held_locks+0x130/0x130
[  355.126416]  ? lock_downgrade+0x900/0x900
[  355.130568]  ? zap_class+0x640/0x640
[  355.134287]  ? zap_class+0x640/0x640
[  355.138007]  ? zap_class+0x640/0x640
[  355.141721]  ? do_raw_spin_unlock+0xa7/0x330
[  355.146140]  ? trace_hardirqs_on+0x310/0x310
[  355.150579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.156121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.161685]  ? check_preemption_disabled+0x48/0x280
[  355.166804]  ? __lock_is_held+0xb5/0x140
[  355.170873]  __alloc_pages_nodemask+0xa80/0xde0
[  355.175547]  ? zap_class+0x640/0x640
[  355.179268]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.184298]  ? find_held_lock+0x36/0x1c0
[  355.188424]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.193102]  ? lock_downgrade+0x900/0x900
[  355.197268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.202812]  cache_grow_begin+0xa5/0x8c0
[  355.206874]  ? do_raw_spin_unlock+0xa7/0x330
[  355.211293]  fallback_alloc+0x204/0x2e0
[  355.215280]  ____cache_alloc_node+0x1c7/0x1e0
[  355.219782]  kmem_cache_alloc_node+0xe3/0x730
[  355.224285]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.228888]  __alloc_skb+0x119/0x770
[  355.232603]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  355.237973]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.242420]  ? vprintk_default+0x28/0x30
[  355.246485]  ? vprintk_func+0x85/0x181
[  355.250387]  ? printk+0xa7/0xcf
[  355.253680]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  355.258449]  new_skb+0x26/0x1c0
[  355.261746]  aoecmd_cfg+0x279/0x7f0
[  355.265382]  ? find_held_lock+0x36/0x1c0
[  355.269451]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  355.273783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.279340]  ? __lock_is_held+0xb5/0x140
[  355.283417]  discover_timer+0x50/0x60
[  355.287223]  call_timer_fn+0x272/0x920
[  355.291109]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  355.295961]  ? process_timeout+0x40/0x40
[  355.300072]  ? __run_timers+0x7da/0xc70
[  355.304052]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.308548]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.313054]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  355.317901]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.322489]  ? trace_hardirqs_on+0xbd/0x310
[  355.326813]  ? kasan_check_read+0x11/0x20
[  355.331471]  ? __run_timers+0x7da/0xc70
[  355.335446]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.340564]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  355.345426]  __run_timers+0x7e5/0xc70
[  355.349238]  ? timer_fixup_init+0x70/0x70
[  355.353395]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.357892]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.362390]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.366984]  ? trace_hardirqs_on+0xbd/0x310
[  355.371309]  ? kasan_check_read+0x11/0x20
[  355.375462]  ? finish_task_switch+0x1f4/0x910
[  355.379960]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.385065]  ? compat_start_thread+0x80/0x80
[  355.389501]  ? pvclock_read_flags+0x160/0x160
[  355.394016]  ? __switch_to_asm+0x34/0x70
[  355.398092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.403646]  ? check_preemption_disabled+0x48/0x280
[  355.408674]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  355.414252]  ? rcu_pm_notify+0xc0/0xc0
[  355.418146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.423696]  ? check_preemption_disabled+0x48/0x280
[  355.428727]  run_timer_softirq+0x52/0xb0
[  355.432803]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.437824]  __do_softirq+0x308/0xb7e
[  355.441629]  ? trace_hardirqs_on_caller+0xc0/0x310
[  355.446578]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.451702]  ? schedule+0x108/0x460
[  355.455344]  ? trace_hardirqs_off+0xb8/0x310
[  355.459755]  ? smpboot_thread_fn+0x68b/0xa00
[  355.464169]  ? trace_hardirqs_on+0x310/0x310
[  355.468582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.474135]  ? check_preemption_disabled+0x48/0x280
[  355.479160]  ? takeover_tasklets+0xa90/0xa90
[  355.483571]  run_ksoftirqd+0x5e/0x100
[  355.487378]  smpboot_thread_fn+0x68b/0xa00
[  355.491618]  ? sort_range+0x30/0x30
[  355.495268]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.500376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.505932]  ? __kthread_parkme+0xfb/0x1a0
[  355.510174]  ? sort_range+0x30/0x30
[  355.513806]  kthread+0x35a/0x440
[  355.517187]  ? kthread_stop+0x900/0x900
[  355.521194]  ret_from_fork+0x3a/0x50
[  355.524929] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  355.525006] aoe: skb alloc failure
[  355.531539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.531548] Call Trace:
[  355.535211] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.544482]  <IRQ>
[  355.547056] ksoftirqd/0 cpuset=/ mems_allowed=0
[  355.557388]  dump_stack+0x244/0x39d
[  355.567818]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.573030]  warn_alloc.cold.116+0xb7/0x1bd
[  355.577359]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.582210]  ? lock_downgrade+0x900/0x900
[  355.586374]  ? trace_hardirqs_off+0xb8/0x310
[  355.590795]  ? trace_hardirqs_off+0xb8/0x310
[  355.595225]  __alloc_pages_slowpath+0x26e8/0x2e10
[  355.600113]  ? warn_alloc+0x120/0x120
[  355.603921]  ? print_usage_bug+0xc0/0xc0
[  355.608010]  ? warn_alloc+0x120/0x120
[  355.611844]  ? warn_alloc+0x120/0x120
[  355.615656]  ? print_usage_bug+0xc0/0xc0
[  355.619725]  ? print_usage_bug+0xc0/0xc0
[  355.623793]  ? __lock_acquire+0x62f/0x4c20
[  355.628043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.633588]  ? should_fail+0x22d/0xd01
[  355.637505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.642612]  ? __lock_acquire+0x62f/0x4c20
[  355.646862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.651970]  ? __lock_acquire+0x62f/0x4c20
[  355.656210]  ? should_fail+0x22d/0xd01
[  355.660115]  ? find_held_lock+0x36/0x1c0
[  355.664213]  ? mark_held_locks+0x130/0x130
[  355.668458]  ? mark_held_locks+0x130/0x130
[  355.672708]  ? zap_class+0x640/0x640
[  355.676429]  ? zap_class+0x640/0x640
[  355.680149]  ? print_usage_bug+0xc0/0xc0
[  355.684210]  ? do_raw_spin_unlock+0xa7/0x330
[  355.688626]  ? zap_class+0x640/0x640
[  355.692345]  ? print_usage_bug+0xc0/0xc0
[  355.696408]  ? wq_watchdog_touch+0x9c/0xfe
[  355.700653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.706192]  ? check_preemption_disabled+0x48/0x280
[  355.711222]  ? __lock_is_held+0xb5/0x140
[  355.715295]  __alloc_pages_nodemask+0xa80/0xde0
[  355.719995]  ? zap_class+0x640/0x640
[  355.723723]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.728780]  ? find_held_lock+0x36/0x1c0
[  355.732876]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.737553]  ? lock_downgrade+0x900/0x900
[  355.741712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.747280]  cache_grow_begin+0xa5/0x8c0
[  355.751344]  ? do_raw_spin_unlock+0xa7/0x330
[  355.755767]  fallback_alloc+0x204/0x2e0
[  355.759756]  ____cache_alloc_node+0x1c7/0x1e0
[  355.764267]  kmem_cache_alloc_node+0xe3/0x730
[  355.768768]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.773017]  __alloc_skb+0x119/0x770
[  355.776733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.782017]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.786428]  ? lock_downgrade+0x900/0x900
[  355.790588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.796131]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.801591]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.807048]  ? addrconf_rs_timer+0x690/0x690
[  355.811472]  ndisc_alloc_skb+0x144/0x340
[  355.815549]  ndisc_send_rs+0x331/0x6e0
[  355.819447]  addrconf_rs_timer+0x314/0x690
[  355.823689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.827939]  call_timer_fn+0x272/0x920
[  355.831827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.836065]  ? process_timeout+0x40/0x40
[  355.840139]  ? mark_held_locks+0xc7/0x130
[  355.844295]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.848806]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.853310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.857547]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.862134]  ? trace_hardirqs_on+0xbd/0x310
[  355.866461]  ? kasan_check_read+0x11/0x20
[  355.870608]  ? __run_timers+0x7da/0xc70
[  355.874594]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.879710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.883960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.888199]  __run_timers+0x7e5/0xc70
[  355.892016]  ? timer_fixup_init+0x70/0x70
[  355.896174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.901214]  ? zap_class+0x640/0x640
[  355.904955]  ? print_usage_bug+0xc0/0xc0
[  355.909025]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  355.914231]  ? find_held_lock+0x36/0x1c0
[  355.918304]  ? zap_class+0x640/0x640
[  355.922033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.927580]  ? check_preemption_disabled+0x48/0x280
[  355.932621]  ? __lock_is_held+0xb5/0x140
[  355.936690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.942230]  ? check_preemption_disabled+0x48/0x280
[  355.947259]  run_timer_softirq+0x52/0xb0
[  355.951325]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.956346]  __do_softirq+0x308/0xb7e
[  355.960153]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  355.964655]  ? lock_downgrade+0x900/0x900
[  355.968810]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.973927]  ? pvclock_read_flags+0x160/0x160
[  355.978431]  ? lapic_next_event+0x5a/0x90
[  355.982583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.988135]  ? kvm_clock_read+0x18/0x30
[  355.992124]  ? kvm_sched_clock_read+0x9/0x20
[  355.996562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.002116]  ? check_preemption_disabled+0x48/0x280
[  356.007148]  irq_exit+0x17f/0x1c0
[  356.010624]  smp_apic_timer_interrupt+0x1cb/0x760
[  356.015479]  ? smp_reschedule_interrupt+0x109/0x650
[  356.020512]  ? smp_call_function_single_interrupt+0x650/0x650
[  356.026401]  ? interrupt_entry+0xb5/0xc0
[  356.030472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.035494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.040515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.045361]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.050379]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.055397]  ? task_prio+0x50/0x50
[  356.058944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.064573]  ? check_preemption_disabled+0x48/0x280
[  356.069599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.074458]  apic_timer_interrupt+0xf/0x20
[  356.078688]  </IRQ>
[  356.080928] RIP: 0010:console_unlock+0x102f/0x1190
[  356.085869] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  356.104770] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  356.112526] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  356.119799] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  356.127068] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  356.134337] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  356.141609] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  356.148917]  ? netconsole_netdev_event+0x280/0x280
[  356.153860]  ? console_unlock+0x1026/0x1190
[  356.158208]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  356.162878]  ? vprintk_emit+0x846/0x990
[  356.166860]  ? lock_release+0xa00/0xa00
[  356.170844]  ? trace_hardirqs_on+0x20/0x310
[  356.175169]  ? vprintk_default+0x28/0x30
[  356.179241]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.184355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.189905]  vprintk_emit+0x391/0x990
[  356.193715]  ? wake_up_klogd+0x180/0x180
[  356.197791]  ? match_held_lock+0x8c1/0x8d0
[  356.202055]  ? mark_held_locks+0xc7/0x130
[  356.206221]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.210722]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.215238]  vprintk_default+0x28/0x30
[  356.219151]  vprintk_func+0x7e/0x181
[  356.222874]  printk+0xa7/0xcf
[  356.225982]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  356.230759]  ? _raw_spin_unlock_irq+0x60/0x80
[  356.235284]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  356.240573]  dump_header+0x7cc/0xf72
[  356.244302]  ? pagefault_out_of_memory+0x197/0x197
[  356.249246]  ? __lock_acquire+0x62f/0x4c20
[  356.253488]  ? percpu_ref_get_many+0x240/0x240
[  356.258077]  ? print_usage_bug+0xc0/0xc0
[  356.262156]  ? zap_class+0x640/0x640
[  356.265892]  ? print_usage_bug+0xc0/0xc0
[  356.269975]  ? zap_class+0x640/0x640
[  356.273702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.279249]  ? find_held_lock+0x36/0x1c0
[  356.283328]  ? mark_held_locks+0xc7/0x130
[  356.287495]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  356.292601]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  356.297713]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.302300]  ? trace_hardirqs_on+0xbd/0x310
[  356.306630]  ? kasan_check_read+0x11/0x20
[  356.310779]  ? ___ratelimit+0x3b4/0x672
[  356.314757]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.319866]  ? trace_hardirqs_on+0x310/0x310
[  356.324275]  ? lock_downgrade+0x900/0x900
[  356.328668]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  356.333795]  ? ___ratelimit+0x3b9/0x672
[  356.337775]  ? idr_get_free+0xf70/0xf70
[  356.341750]  ? find_held_lock+0x36/0x1c0
[  356.345826]  oom_kill_process.cold.27+0x10/0x903
[  356.350611]  ? zap_class+0x640/0x640
[  356.354370]  ? check_preemption_disabled+0x48/0x280
[  356.359392]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.364350]  ? kasan_check_read+0x11/0x20
[  356.368500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.373783]  ? oom_evaluate_task+0x540/0x540
[  356.378219]  ? find_held_lock+0x36/0x1c0
[  356.382314]  ? out_of_memory+0x974/0x1430
[  356.386468]  ? lock_downgrade+0x900/0x900
[  356.390630]  ? check_preemption_disabled+0x48/0x280
[  356.395657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.400594]  ? kasan_check_read+0x11/0x20
[  356.404748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.410026]  ? rcu_softirq_qs+0x20/0x20
[  356.414009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.419546]  ? oom_evaluate_task+0x302/0x540
[  356.423960]  out_of_memory+0xa84/0x1430
[  356.427953]  ? oom_killer_disable+0x3a0/0x3a0
[  356.432459]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  356.437906]  ? __ww_mutex_check_waiters+0x160/0x160
[  356.442937]  __alloc_pages_slowpath+0x2354/0x2e10
[  356.447813]  ? warn_alloc+0x120/0x120
[  356.451623]  ? mark_held_locks+0x130/0x130
[  356.455873]  ? find_get_entry+0xaae/0x1120
[  356.460139]  ? filemap_map_pages+0x1a20/0x1a20
[  356.464732]  ? zap_class+0x640/0x640
[  356.468454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.473999]  ? check_preemption_disabled+0x48/0x280
[  356.479019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.484558]  ? should_fail+0x22d/0xd01
[  356.488457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.493601]  ? zap_class+0x640/0x640
[  356.497386]  ? __lock_is_held+0xb5/0x140
[  356.501464]  ? mark_held_locks+0x130/0x130
[  356.505708]  ? lock_release+0xa00/0xa00
[  356.509696]  ? perf_trace_sched_process_exec+0x860/0x860
[  356.515157]  ? xa_load+0x2ba/0x460
[  356.518707]  ? lock_downgrade+0x900/0x900
[  356.522864]  ? __might_sleep+0x95/0x190
[  356.526883]  __alloc_pages_nodemask+0xa80/0xde0
[  356.531565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.536586]  ? __page_cache_alloc+0x191/0x5c0
[  356.541096]  ? xa_load+0x2e1/0x460
[  356.544677]  ? xa_clear_mark+0x40/0x40
[  356.548577]  ? zap_class+0x640/0x640
[  356.552306]  ? zap_class+0x640/0x640
[  356.556036]  ? zap_class+0x640/0x640
[  356.559752]  ? __do_page_cache_readahead+0x663/0x810
[  356.564864]  ? find_held_lock+0x36/0x1c0
[  356.568934]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  356.574487]  alloc_pages_current+0x173/0x350
[  356.578905]  __page_cache_alloc+0x38c/0x5c0
[  356.583230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.588162]  ? kasan_check_read+0x11/0x20
[  356.592313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.597598]  ? generic_perform_write+0x6a0/0x6a0
[  356.602363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.607907]  ? check_preemption_disabled+0x48/0x280
[  356.612934]  filemap_fault+0x1595/0x25f0
[  356.617016]  ? __lock_page_or_retry+0xa00/0xa00
[  356.621692]  ? mark_held_locks+0x130/0x130
[  356.625939]  ? filemap_map_pages+0xd6b/0x1a20
[  356.630442]  ? lock_downgrade+0x900/0x900
[  356.634590]  ? check_preemption_disabled+0x48/0x280
[  356.639623]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.644554]  ? kasan_check_read+0x11/0x20
[  356.648730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.654032]  ? rcu_softirq_qs+0x20/0x20
[  356.658056]  ? filemap_map_pages+0xd92/0x1a20
[  356.662624]  ? find_get_entries_tag+0x1400/0x1400
[  356.667478]  ? debug_object_destroy+0x2b0/0x2b0
[  356.672161]  ? lock_pi_update_atomic+0x150/0x150
[  356.676923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.682476]  ? lock_acquire+0x1ed/0x520
[  356.686452]  ? ext4_filemap_fault+0x7a/0xad
[  356.690783]  ? lock_release+0xa00/0xa00
[  356.694757]  ? perf_trace_sched_process_exec+0x860/0x860
[  356.700213]  ? print_usage_bug+0xc0/0xc0
[  356.704282]  ? print_usage_bug+0xc0/0xc0
[  356.708362]  ? down_read+0x8d/0x120
[  356.711989]  ? ext4_filemap_fault+0x7a/0xad
[  356.716317]  ? __down_interruptible+0x700/0x700
[  356.721003]  ext4_filemap_fault+0x82/0xad
[  356.725163]  __do_fault+0x100/0x6b0
[  356.728796]  ? pmd_devmap_trans_unstable+0x220/0x220
[  356.733909]  ? mark_held_locks+0x130/0x130
[  356.738153]  ? mark_held_locks+0x130/0x130
[  356.742397]  ? debug_smp_processor_id+0x1c/0x20
[  356.747074]  ? perf_trace_lock+0x14d/0x7a0
[  356.751327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.756909]  __handle_mm_fault+0x3ea6/0x5be0
[  356.761331]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  356.766181]  ? lock_is_held_type+0x210/0x210
[  356.770602]  ? ksys_dup3+0x680/0x680
[  356.774340]  ? zap_class+0x640/0x640
[  356.778054]  ? zap_class+0x640/0x640
[  356.781769]  ? __x64_sys_futex+0x53e/0x6a0
[  356.786011]  ? find_held_lock+0x36/0x1c0
[  356.790120]  ? handle_mm_fault+0x42a/0xc70
[  356.794363]  ? lock_downgrade+0x900/0x900
[  356.798513]  ? check_preemption_disabled+0x48/0x280
[  356.803551]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  356.808481]  ? kasan_check_read+0x11/0x20
[  356.812638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.817924]  ? rcu_softirq_qs+0x20/0x20
[  356.821903]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.827011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.832552]  ? check_preemption_disabled+0x48/0x280
[  356.837582]  handle_mm_fault+0x54f/0xc70
[  356.841655]  ? __handle_mm_fault+0x5be0/0x5be0
[  356.846246]  ? find_vma+0x34/0x190
[  356.849801]  __do_page_fault+0x5e8/0xe60
[  356.853868]  ? trace_hardirqs_off+0xb8/0x310
[  356.858295]  do_page_fault+0xf2/0x7e0
[  356.862114]  ? vmalloc_sync_all+0x30/0x30
[  356.866267]  ? error_entry+0x70/0xd0
[  356.869984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.875002]  ? trace_hardirqs_on_caller+0xc0/0x310
[  356.879934]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.884867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.889719]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.894757]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  356.900227]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.905247]  ? page_fault+0x8/0x30
[  356.908794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.913651]  ? page_fault+0x8/0x30
[  356.917208]  page_fault+0x1e/0x30
[  356.920683] RIP: 0033:0x40f9c0
[  356.923900] Code: Bad RIP value.
[  356.927263] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  356.932629] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  356.939900] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  356.947167] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  356.954439] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  356.961710] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  356.969041] warn_alloc_show_mem: 1 callbacks suppressed
[  356.969053] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  356.969055] Mem-Info:
[  356.969086] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  356.969086]  active_file:15 inactive_file:12 isolated_file:0
[  356.969086]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.969086]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  356.969086]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  356.969086]  free:13790 free_pcp:473 free_cma:0
[  356.974433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.980848] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.983250] Call Trace:
[  357.016298] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  357.025681]  dump_stack+0x244/0x39d
[  357.053333] lowmem_reserve[]: 0 2818 6321 6321
[  357.055922]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.082008] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  357.085648]  warn_alloc.cold.116+0xb7/0x1bd
[  357.090199] lowmem_reserve[]: 0 0 3503 3503
[  357.095390]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.122866] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  357.127187]  ? lock_downgrade+0x900/0x900
[  357.131484] lowmem_reserve[]: 0 0 0 0
[  357.136331]  ? trace_hardirqs_off+0xb8/0x310
[  357.165456] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  357.169612]  ? trace_hardirqs_off+0xb8/0x310
[  357.173395] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  357.177808]  __alloc_pages_slowpath+0x26e8/0x2e10
[  357.191305] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  357.195736]  ? warn_alloc+0x120/0x120
[  357.211044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  357.215883]  ? warn_alloc+0x120/0x120
[  357.231217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.235012]  ? warn_alloc+0x120/0x120
[  357.243826] 2571 total pagecache pages
[  357.247627]  ? print_usage_bug+0xc0/0xc0
[  357.256194] 0 pages in swap cache
[  357.259987]  ? print_usage_bug+0xc0/0xc0
[  357.263857] Swap cache stats: add 0, delete 0, find 0/0
[  357.267916]  ? mark_held_locks+0x130/0x130
[  357.271347] Free swap  = 0kB
[  357.275404]  ? mark_held_locks+0x130/0x130
[  357.280742] Total swap = 0kB
[  357.280751] 1965979 pages RAM
[  357.284988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.287985] 0 pages HighMem/MovableOnly
[  357.292241]  ? should_fail+0x22d/0xd01
[  357.295253] 342855 pages reserved
[  357.298368]  ? zap_class+0x640/0x640
[  357.303888] 0 pages cma reserved
[  357.307860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.311796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.315182]  ? __lock_acquire+0x62f/0x4c20
[  357.315202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.315219]  ? __lock_acquire+0x62f/0x4c20
[  357.318972] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.322287]  ? should_fail+0x22d/0xd01
[  357.327374] syz-fuzzer cpuset=/ mems_allowed=0
[  357.334351]  ? mark_held_locks+0x130/0x130
[  357.370760]  ? mark_held_locks+0x130/0x130
[  357.375011]  ? lock_downgrade+0x900/0x900
[  357.379163]  ? zap_class+0x640/0x640
[  357.382888]  ? zap_class+0x640/0x640
[  357.386628]  ? do_raw_spin_unlock+0xa7/0x330
[  357.391068]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.395839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.401380]  ? check_preemption_disabled+0x48/0x280
[  357.406409]  ? __lock_is_held+0xb5/0x140
[  357.410479]  __alloc_pages_nodemask+0xa80/0xde0
[  357.415152]  ? zap_class+0x640/0x640
[  357.418878]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.423912]  ? find_held_lock+0x36/0x1c0
[  357.428010]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.432693]  ? lock_downgrade+0x900/0x900
[  357.436861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.442421]  cache_grow_begin+0xa5/0x8c0
[  357.446501]  ? do_raw_spin_unlock+0xa7/0x330
[  357.450965]  fallback_alloc+0x204/0x2e0
[  357.454985]  ____cache_alloc_node+0x1c7/0x1e0
[  357.459503]  kmem_cache_alloc_node+0xe3/0x730
[  357.464004]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.468597]  __alloc_skb+0x119/0x770
[  357.472312]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  357.477743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.482196]  ? vprintk_default+0x28/0x30
[  357.486262]  ? vprintk_func+0x85/0x181
[  357.490156]  ? printk+0xa7/0xcf
[  357.493437]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  357.498209]  new_skb+0x26/0x1c0
[  357.501523]  aoecmd_cfg+0x279/0x7f0
[  357.505158]  ? find_held_lock+0x36/0x1c0
[  357.509238]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  357.513566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.519131]  ? __lock_is_held+0xb5/0x140
[  357.523224]  discover_timer+0x50/0x60
[  357.527030]  call_timer_fn+0x272/0x920
[  357.530944]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  357.535787]  ? process_timeout+0x40/0x40
[  357.539886]  ? __run_timers+0x7da/0xc70
[  357.543884]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.548380]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.552875]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  357.557719]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.562323]  ? trace_hardirqs_on+0xbd/0x310
[  357.566647]  ? kasan_check_read+0x11/0x20
[  357.570799]  ? __run_timers+0x7da/0xc70
[  357.574777]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.579916]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  357.584758]  __run_timers+0x7e5/0xc70
[  357.588583]  ? timer_fixup_init+0x70/0x70
[  357.592749]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.597246]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.601759]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.606346]  ? trace_hardirqs_on+0xbd/0x310
[  357.610685]  ? kasan_check_read+0x11/0x20
[  357.614850]  ? finish_task_switch+0x1f4/0x910
[  357.619357]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.624462]  ? compat_start_thread+0x80/0x80
[  357.628901]  ? pvclock_read_flags+0x160/0x160
[  357.633398]  ? __switch_to_asm+0x34/0x70
[  357.637500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.643060]  ? check_preemption_disabled+0x48/0x280
[  357.648092]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  357.653651]  ? rcu_pm_notify+0xc0/0xc0
[  357.657542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.663140]  ? check_preemption_disabled+0x48/0x280
[  357.668168]  run_timer_softirq+0x52/0xb0
[  357.672232]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.677251]  __do_softirq+0x308/0xb7e
[  357.681060]  ? trace_hardirqs_on_caller+0xc0/0x310
[  357.685995]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.691131]  ? schedule+0x108/0x460
[  357.694798]  ? trace_hardirqs_off+0xb8/0x310
[  357.699226]  ? smpboot_thread_fn+0x68b/0xa00
[  357.703665]  ? trace_hardirqs_on+0x310/0x310
[  357.708091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.713645]  ? check_preemption_disabled+0x48/0x280
[  357.718667]  ? takeover_tasklets+0xa90/0xa90
[  357.723081]  run_ksoftirqd+0x5e/0x100
[  357.726896]  smpboot_thread_fn+0x68b/0xa00
[  357.731147]  ? sort_range+0x30/0x30
[  357.734780]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.739915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.745454]  ? __kthread_parkme+0xfb/0x1a0
[  357.749699]  ? sort_range+0x30/0x30
[  357.753329]  kthread+0x35a/0x440
[  357.756699]  ? kthread_stop+0x900/0x900
[  357.760682]  ret_from_fork+0x3a/0x50
[  357.764422] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  357.764491] aoe: skb alloc failure
[  357.771009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  357.771014] Call Trace:
[  357.771021]  <IRQ>
[  357.771039]  dump_stack+0x244/0x39d
[  357.771059]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.774610] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.783946]  warn_alloc.cold.116+0xb7/0x1bd
[  357.786500] ksoftirqd/0 cpuset=/ mems_allowed=0
[  357.788655]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.821533]  ? lock_downgrade+0x900/0x900
[  357.825694]  ? trace_hardirqs_off+0xb8/0x310
[  357.830113]  ? trace_hardirqs_off+0xb8/0x310
[  357.834538]  __alloc_pages_slowpath+0x26e8/0x2e10
[  357.839413]  ? warn_alloc+0x120/0x120
[  357.843218]  ? print_usage_bug+0xc0/0xc0
[  357.847291]  ? warn_alloc+0x120/0x120
[  357.851100]  ? warn_alloc+0x120/0x120
[  357.854909]  ? print_usage_bug+0xc0/0xc0
[  357.858980]  ? print_usage_bug+0xc0/0xc0
[  357.863066]  ? __lock_acquire+0x62f/0x4c20
[  357.867313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.872855]  ? should_fail+0x22d/0xd01
[  357.876762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.881878]  ? __lock_acquire+0x62f/0x4c20
[  357.886120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.891242]  ? __lock_acquire+0x62f/0x4c20
[  357.895477]  ? should_fail+0x22d/0xd01
[  357.899367]  ? find_held_lock+0x36/0x1c0
[  357.903441]  ? mark_held_locks+0x130/0x130
[  357.907684]  ? mark_held_locks+0x130/0x130
[  357.911935]  ? zap_class+0x640/0x640
[  357.915678]  ? zap_class+0x640/0x640
[  357.919399]  ? print_usage_bug+0xc0/0xc0
[  357.923459]  ? do_raw_spin_unlock+0xa7/0x330
[  357.927869]  ? zap_class+0x640/0x640
[  357.931588]  ? print_usage_bug+0xc0/0xc0
[  357.935652]  ? wq_watchdog_touch+0x9c/0xfe
[  357.939916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.945474]  ? check_preemption_disabled+0x48/0x280
[  357.950503]  ? __lock_is_held+0xb5/0x140
[  357.954576]  __alloc_pages_nodemask+0xa80/0xde0
[  357.959247]  ? zap_class+0x640/0x640
[  357.962969]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.968013]  ? find_held_lock+0x36/0x1c0
[  357.972090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.976763]  ? lock_downgrade+0x900/0x900
[  357.980945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.986493]  cache_grow_begin+0xa5/0x8c0
[  357.990557]  ? do_raw_spin_unlock+0xa7/0x330
[  357.994976]  fallback_alloc+0x204/0x2e0
[  357.999002]  ____cache_alloc_node+0x1c7/0x1e0
[  358.003510]  kmem_cache_alloc_node+0xe3/0x730
[  358.008019]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.012278]  __alloc_skb+0x119/0x770
[  358.015998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.021283]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.025696]  ? lock_downgrade+0x900/0x900
[  358.029868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.035421]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.040875]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.046327]  ? addrconf_rs_timer+0x690/0x690
[  358.050762]  ndisc_alloc_skb+0x144/0x340
[  358.054829]  ndisc_send_rs+0x331/0x6e0
[  358.058723]  addrconf_rs_timer+0x314/0x690
[  358.062964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.067216]  call_timer_fn+0x272/0x920
[  358.071106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.075348]  ? process_timeout+0x40/0x40
[  358.079425]  ? mark_held_locks+0xc7/0x130
[  358.083606]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.088109]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.092626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.096865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.101467]  ? trace_hardirqs_on+0xbd/0x310
[  358.105802]  ? kasan_check_read+0x11/0x20
[  358.109949]  ? __run_timers+0x7da/0xc70
[  358.113938]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.119058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.123300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.127536]  __run_timers+0x7e5/0xc70
[  358.131355]  ? timer_fixup_init+0x70/0x70
[  358.135507]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  358.140525]  ? zap_class+0x640/0x640
[  358.144246]  ? print_usage_bug+0xc0/0xc0
[  358.148315]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  358.153516]  ? find_held_lock+0x36/0x1c0
[  358.157602]  ? zap_class+0x640/0x640
[  358.161328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.166872]  ? check_preemption_disabled+0x48/0x280
[  358.171915]  ? __lock_is_held+0xb5/0x140
[  358.175982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.181534]  ? check_preemption_disabled+0x48/0x280
[  358.186561]  run_timer_softirq+0x52/0xb0
[  358.190640]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.195662]  __do_softirq+0x308/0xb7e
[  358.199513]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  358.204010]  ? lock_downgrade+0x900/0x900
[  358.208167]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.213322]  ? pvclock_read_flags+0x160/0x160
[  358.217823]  ? lapic_next_event+0x5a/0x90
[  358.221977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.227525]  ? kvm_clock_read+0x18/0x30
[  358.231498]  ? kvm_sched_clock_read+0x9/0x20
[  358.235910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.241450]  ? check_preemption_disabled+0x48/0x280
[  358.246480]  irq_exit+0x17f/0x1c0
[  358.249946]  smp_apic_timer_interrupt+0x1cb/0x760
[  358.254784]  ? smp_reschedule_interrupt+0x109/0x650
[  358.259804]  ? smp_call_function_single_interrupt+0x650/0x650
[  358.265696]  ? interrupt_entry+0xb5/0xc0
[  358.269761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.274777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.279795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.284653]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.289672]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.294694]  ? task_prio+0x50/0x50
[  358.298240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.303802]  ? check_preemption_disabled+0x48/0x280
[  358.308832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.313688]  apic_timer_interrupt+0xf/0x20
[  358.317952]  </IRQ>
[  358.320197] RIP: 0010:console_unlock+0x102f/0x1190
[  358.325131] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  358.344245] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  358.351953] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  358.359221] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  358.366501] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  358.373768] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  358.381038] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  358.388325]  ? netconsole_netdev_event+0x280/0x280
[  358.393266]  ? console_unlock+0x1026/0x1190
[  358.397613]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  358.402287]  ? vprintk_emit+0x846/0x990
[  358.406271]  ? lock_release+0xa00/0xa00
[  358.410249]  ? trace_hardirqs_on+0x20/0x310
[  358.414571]  ? vprintk_default+0x28/0x30
[  358.418642]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.423753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.429300]  vprintk_emit+0x391/0x990
[  358.433111]  ? wake_up_klogd+0x180/0x180
[  358.437699]  ? match_held_lock+0x8c1/0x8d0
[  358.441949]  ? mark_held_locks+0xc7/0x130
[  358.446115]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.450650]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.455157]  vprintk_default+0x28/0x30
[  358.459048]  vprintk_func+0x7e/0x181
[  358.462774]  printk+0xa7/0xcf
[  358.465881]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  358.470657]  ? _raw_spin_unlock_irq+0x60/0x80
[  358.475171]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  358.480462]  dump_header+0x7cc/0xf72
[  358.484192]  ? pagefault_out_of_memory+0x197/0x197
[  358.489140]  ? __lock_acquire+0x62f/0x4c20
[  358.493386]  ? percpu_ref_get_many+0x240/0x240
[  358.497976]  ? print_usage_bug+0xc0/0xc0
[  358.502047]  ? zap_class+0x640/0x640
[  358.505769]  ? print_usage_bug+0xc0/0xc0
[  358.509835]  ? zap_class+0x640/0x640
[  358.513557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.519108]  ? find_held_lock+0x36/0x1c0
[  358.523186]  ? mark_held_locks+0xc7/0x130
[  358.527343]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  358.532451]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  358.537585]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.542182]  ? trace_hardirqs_on+0xbd/0x310
[  358.546507]  ? kasan_check_read+0x11/0x20
[  358.550654]  ? ___ratelimit+0x3b4/0x672
[  358.554649]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.559759]  ? trace_hardirqs_on+0x310/0x310
[  358.564195]  ? lock_downgrade+0x900/0x900
[  358.568376]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.573482]  ? ___ratelimit+0x3b9/0x672
[  358.577488]  ? idr_get_free+0xf70/0xf70
[  358.581463]  ? find_held_lock+0x36/0x1c0
[  358.585574]  oom_kill_process.cold.27+0x10/0x903
[  358.590332]  ? zap_class+0x640/0x640
[  358.594065]  ? check_preemption_disabled+0x48/0x280
[  358.599084]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.604021]  ? kasan_check_read+0x11/0x20
[  358.608184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.613471]  ? oom_evaluate_task+0x540/0x540
[  358.617889]  ? find_held_lock+0x36/0x1c0
[  358.621963]  ? out_of_memory+0x974/0x1430
[  358.626125]  ? lock_downgrade+0x900/0x900
[  358.630278]  ? check_preemption_disabled+0x48/0x280
[  358.635304]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.640240]  ? kasan_check_read+0x11/0x20
[  358.644393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.649684]  ? rcu_softirq_qs+0x20/0x20
[  358.653681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.659219]  ? oom_evaluate_task+0x302/0x540
[  358.663654]  out_of_memory+0xa84/0x1430
[  358.667644]  ? oom_killer_disable+0x3a0/0x3a0
[  358.672148]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  358.677088]  ? __ww_mutex_check_waiters+0x160/0x160
[  358.682133]  __alloc_pages_slowpath+0x2354/0x2e10
[  358.687023]  ? warn_alloc+0x120/0x120
[  358.690825]  ? mark_held_locks+0x130/0x130
[  358.695076]  ? find_get_entry+0xaae/0x1120
[  358.699333]  ? filemap_map_pages+0x1a20/0x1a20
[  358.703921]  ? zap_class+0x640/0x640
[  358.707647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.713189]  ? check_preemption_disabled+0x48/0x280
[  358.718210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.723751]  ? should_fail+0x22d/0xd01
[  358.727659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.732764]  ? zap_class+0x640/0x640
[  358.736509]  ? __lock_is_held+0xb5/0x140
[  358.740589]  ? mark_held_locks+0x130/0x130
[  358.744835]  ? lock_release+0xa00/0xa00
[  358.748816]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.754270]  ? xa_load+0x2ba/0x460
[  358.757837]  ? lock_downgrade+0x900/0x900
[  358.761999]  ? __might_sleep+0x95/0x190
[  358.765980]  __alloc_pages_nodemask+0xa80/0xde0
[  358.770672]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  358.775708]  ? __page_cache_alloc+0x191/0x5c0
[  358.780205]  ? xa_load+0x2e1/0x460
[  358.783779]  ? xa_clear_mark+0x40/0x40
[  358.787694]  ? zap_class+0x640/0x640
[  358.791423]  ? zap_class+0x640/0x640
[  358.795140]  ? zap_class+0x640/0x640
[  358.798860]  ? __do_page_cache_readahead+0x663/0x810
[  358.803988]  ? find_held_lock+0x36/0x1c0
[  358.808058]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  358.813631]  alloc_pages_current+0x173/0x350
[  358.818052]  __page_cache_alloc+0x38c/0x5c0
[  358.822373]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.827306]  ? kasan_check_read+0x11/0x20
[  358.831454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.836735]  ? generic_perform_write+0x6a0/0x6a0
[  358.841507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.847072]  ? check_preemption_disabled+0x48/0x280
[  358.852139]  filemap_fault+0x1595/0x25f0
[  358.856239]  ? __lock_page_or_retry+0xa00/0xa00
[  358.860912]  ? mark_held_locks+0x130/0x130
[  358.865160]  ? filemap_map_pages+0xd6b/0x1a20
[  358.869657]  ? lock_downgrade+0x900/0x900
[  358.873806]  ? check_preemption_disabled+0x48/0x280
[  358.878827]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.883781]  ? kasan_check_read+0x11/0x20
[  358.887934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.893212]  ? rcu_softirq_qs+0x20/0x20
[  358.897203]  ? filemap_map_pages+0xd92/0x1a20
[  358.901730]  ? find_get_entries_tag+0x1400/0x1400
[  358.906580]  ? debug_object_destroy+0x2b0/0x2b0
[  358.911282]  ? lock_pi_update_atomic+0x150/0x150
[  358.916041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.921595]  ? lock_acquire+0x1ed/0x520
[  358.925586]  ? ext4_filemap_fault+0x7a/0xad
[  358.929957]  ? lock_release+0xa00/0xa00
[  358.933932]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.939390]  ? print_usage_bug+0xc0/0xc0
[  358.943459]  ? print_usage_bug+0xc0/0xc0
[  358.947533]  ? down_read+0x8d/0x120
[  358.951185]  ? ext4_filemap_fault+0x7a/0xad
[  358.955510]  ? __down_interruptible+0x700/0x700
[  358.960192]  ext4_filemap_fault+0x82/0xad
[  358.964343]  __do_fault+0x100/0x6b0
[  358.967977]  ? pmd_devmap_trans_unstable+0x220/0x220
[  358.973085]  ? mark_held_locks+0x130/0x130
[  358.977336]  ? mark_held_locks+0x130/0x130
[  358.981576]  ? debug_smp_processor_id+0x1c/0x20
[  358.986261]  ? perf_trace_lock+0x14d/0x7a0
[  358.990513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.996074]  __handle_mm_fault+0x3ea6/0x5be0
[  359.000500]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  359.005345]  ? lock_is_held_type+0x210/0x210
[  359.009779]  ? ksys_dup3+0x680/0x680
[  359.013510]  ? zap_class+0x640/0x640
[  359.017226]  ? zap_class+0x640/0x640
[  359.020944]  ? __x64_sys_futex+0x53e/0x6a0
[  359.025186]  ? find_held_lock+0x36/0x1c0
[  359.029276]  ? handle_mm_fault+0x42a/0xc70
[  359.033518]  ? lock_downgrade+0x900/0x900
[  359.037671]  ? check_preemption_disabled+0x48/0x280
[  359.042693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  359.047630]  ? kasan_check_read+0x11/0x20
[  359.051794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.057071]  ? rcu_softirq_qs+0x20/0x20
[  359.061072]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.066187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.071729]  ? check_preemption_disabled+0x48/0x280
[  359.076755]  handle_mm_fault+0x54f/0xc70
[  359.080828]  ? __handle_mm_fault+0x5be0/0x5be0
[  359.085420]  ? find_vma+0x34/0x190
[  359.088969]  __do_page_fault+0x5e8/0xe60
[  359.093036]  ? trace_hardirqs_off+0xb8/0x310
[  359.097461]  do_page_fault+0xf2/0x7e0
[  359.101265]  ? vmalloc_sync_all+0x30/0x30
[  359.105413]  ? error_entry+0x70/0xd0
[  359.109150]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.114172]  ? trace_hardirqs_on_caller+0xc0/0x310
[  359.119109]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.124042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.128887]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.133903]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  359.139360]  ? prepare_exit_to_usermode+0x291/0x3b0
[  359.144396]  ? page_fault+0x8/0x30
[  359.147941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.152787]  ? page_fault+0x8/0x30
[  359.156334]  page_fault+0x1e/0x30
[  359.159790] RIP: 0033:0x40f9c0
[  359.163036] Code: Bad RIP value.
[  359.166399] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  359.171763] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  359.179030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  359.186301] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  359.193568] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  359.200836] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  359.208138] warn_alloc_show_mem: 1 callbacks suppressed
[  359.208149] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  359.208151] Mem-Info:
[  359.208182] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  359.208182]  active_file:15 inactive_file:12 isolated_file:0
[  359.208182]  unevictable:0 dirty:0 writeback:0 unstable:0
[  359.208182]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  359.208182]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  359.208182]  free:13790 free_pcp:473 free_cma:0
[  359.213528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.219957] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  359.222382] Call Trace:
[  359.255427] 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
[  359.264786]  dump_stack+0x244/0x39d
[  359.292437] lowmem_reserve[]: 0 2818 6321 6321
[  359.295029]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.321118] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  359.321162] lowmem_reserve[]: 0 0 3503 3503
[  359.324807]  warn_alloc.cold.116+0xb7/0x1bd
[  359.329360] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  359.334551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.362027] lowmem_reserve[]: 0 0 0 0
[  359.366351]  ? lock_downgrade+0x900/0x900
[  359.370661] 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
[  359.399817]  ? trace_hardirqs_off+0xb8/0x310
[  359.404642] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  359.408447]  ? trace_hardirqs_off+0xb8/0x310
[  359.412570] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  359.426109]  __alloc_pages_slowpath+0x26e8/0x2e10
[  359.430510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.445879]  ? warn_alloc+0x120/0x120
[  359.450246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.465590]  ? warn_alloc+0x120/0x120
[  359.470411] 2571 total pagecache pages
[  359.479250]  ? warn_alloc+0x120/0x120
[  359.483039] 0 pages in swap cache
[  359.491612]  ? print_usage_bug+0xc0/0xc0
[  359.495405] Swap cache stats: add 0, delete 0, find 0/0
[  359.499292]  ? print_usage_bug+0xc0/0xc0
[  359.503075] Free swap  = 0kB
[  359.506525]  ? mark_held_locks+0x130/0x130
[  359.510566] Total swap = 0kB
[  359.515929]  ? mark_held_locks+0x130/0x130
[  359.519970] 1965979 pages RAM
[  359.522990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.527224] 0 pages HighMem/MovableOnly
[  359.530246]  ? should_fail+0x22d/0xd01
[  359.534459] 342855 pages reserved
[  359.537564]  ? zap_class+0x640/0x640
[  359.543081] 0 pages cma reserved
[  359.547054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.550979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.554371]  ? __lock_acquire+0x62f/0x4c20
[  359.558300] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.561440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.566538] syz-fuzzer cpuset=/ mems_allowed=0
[  359.573031]  ? __lock_acquire+0x62f/0x4c20
[  359.601365]  ? should_fail+0x22d/0xd01
[  359.605279]  ? mark_held_locks+0x130/0x130
[  359.609528]  ? mark_held_locks+0x130/0x130
[  359.613767]  ? lock_downgrade+0x900/0x900
[  359.617922]  ? zap_class+0x640/0x640
[  359.621640]  ? zap_class+0x640/0x640
[  359.625361]  ? zap_class+0x640/0x640
[  359.629077]  ? do_raw_spin_unlock+0xa7/0x330
[  359.633495]  ? trace_hardirqs_on+0x310/0x310
[  359.637908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.643452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.648999]  ? check_preemption_disabled+0x48/0x280
[  359.654041]  ? __lock_is_held+0xb5/0x140
[  359.658123]  __alloc_pages_nodemask+0xa80/0xde0
[  359.662801]  ? zap_class+0x640/0x640
[  359.666549]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.671585]  ? find_held_lock+0x36/0x1c0
[  359.675662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.680339]  ? lock_downgrade+0x900/0x900
[  359.684504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.690053]  cache_grow_begin+0xa5/0x8c0
[  359.694128]  ? do_raw_spin_unlock+0xa7/0x330
[  359.698555]  fallback_alloc+0x204/0x2e0
[  359.702542]  ____cache_alloc_node+0x1c7/0x1e0
[  359.707047]  kmem_cache_alloc_node+0xe3/0x730
[  359.711554]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.716153]  __alloc_skb+0x119/0x770
[  359.719874]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  359.725248]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.729671]  ? vprintk_default+0x28/0x30
[  359.733739]  ? vprintk_func+0x85/0x181
[  359.737632]  ? printk+0xa7/0xcf
[  359.740920]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  359.745695]  new_skb+0x26/0x1c0
[  359.748980]  aoecmd_cfg+0x279/0x7f0
[  359.752615]  ? find_held_lock+0x36/0x1c0
[  359.756686]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  359.761021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.766578]  ? __lock_is_held+0xb5/0x140
[  359.770660]  discover_timer+0x50/0x60
[  359.774465]  call_timer_fn+0x272/0x920
[  359.778360]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  359.783210]  ? process_timeout+0x40/0x40
[  359.787284]  ? __run_timers+0x7da/0xc70
[  359.791272]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.795773]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.800276]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  359.805131]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.809721]  ? trace_hardirqs_on+0xbd/0x310
[  359.814047]  ? kasan_check_read+0x11/0x20
[  359.818202]  ? __run_timers+0x7da/0xc70
[  359.822183]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.827307]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  359.832157]  __run_timers+0x7e5/0xc70
[  359.835979]  ? timer_fixup_init+0x70/0x70
[  359.840148]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.844652]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.849158]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.853747]  ? trace_hardirqs_on+0xbd/0x310
[  359.858073]  ? kasan_check_read+0x11/0x20
[  359.862228]  ? finish_task_switch+0x1f4/0x910
[  359.866733]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.871849]  ? compat_start_thread+0x80/0x80
[  359.876287]  ? pvclock_read_flags+0x160/0x160
[  359.880796]  ? __switch_to_asm+0x34/0x70
[  359.884868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.890420]  ? check_preemption_disabled+0x48/0x280
[  359.895452]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  359.900996]  ? rcu_pm_notify+0xc0/0xc0
[  359.904892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.910437]  ? check_preemption_disabled+0x48/0x280
[  359.915466]  run_timer_softirq+0x52/0xb0
[  359.919532]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.924556]  __do_softirq+0x308/0xb7e
[  359.928370]  ? trace_hardirqs_on_caller+0xc0/0x310
[  359.933307]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.938427]  ? schedule+0x108/0x460
[  359.942070]  ? trace_hardirqs_off+0xb8/0x310
[  359.946486]  ? smpboot_thread_fn+0x68b/0xa00
[  359.950903]  ? trace_hardirqs_on+0x310/0x310
[  359.955317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.960863]  ? check_preemption_disabled+0x48/0x280
[  359.965890]  ? takeover_tasklets+0xa90/0xa90
[  359.970310]  run_ksoftirqd+0x5e/0x100
[  359.974122]  smpboot_thread_fn+0x68b/0xa00
[  359.978375]  ? sort_range+0x30/0x30
[  359.982013]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  359.987127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.992674]  ? __kthread_parkme+0xfb/0x1a0
[  359.996930]  ? sort_range+0x30/0x30
[  360.000562]  kthread+0x35a/0x440
[  360.003946]  ? kthread_stop+0x900/0x900
[  360.007928]  ret_from_fork+0x3a/0x50
[  360.011668] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  360.011740] aoe: skb alloc failure
[  360.018260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.018266] Call Trace:
[  360.018274]  <IRQ>
[  360.018293]  dump_stack+0x244/0x39d
[  360.018313]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.021867] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.031219]  warn_alloc.cold.116+0xb7/0x1bd
[  360.033778] ksoftirqd/0 cpuset=/ mems_allowed=0
[  360.035929]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.068822]  ? lock_downgrade+0x900/0x900
[  360.072996]  ? trace_hardirqs_off+0xb8/0x310
[  360.077418]  ? trace_hardirqs_off+0xb8/0x310
[  360.081847]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.086734]  ? warn_alloc+0x120/0x120
[  360.090546]  ? warn_alloc+0x120/0x120
[  360.094352]  ? zap_class+0x640/0x640
[  360.098078]  ? warn_alloc+0x120/0x120
[  360.101899]  ? print_usage_bug+0xc0/0xc0
[  360.105965]  ? idle_cpu+0x1d0/0x1d0
[  360.109595]  ? kvm_sched_clock_read+0x9/0x20
[  360.114020]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.119044]  ? print_usage_bug+0xc0/0xc0
[  360.123122]  ? __lock_is_held+0xb5/0x140
[  360.127203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.132751]  ? should_fail+0x22d/0xd01
[  360.136665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.141775]  ? __lock_acquire+0x62f/0x4c20
[  360.146018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.151126]  ? __lock_acquire+0x62f/0x4c20
[  360.155395]  ? should_fail+0x22d/0xd01
[  360.159304]  ? mark_held_locks+0x130/0x130
[  360.163550]  ? mark_held_locks+0x130/0x130
[  360.167793]  ? __enqueue_entity+0x10d/0x1f0
[  360.172132]  ? zap_class+0x640/0x640
[  360.175851]  ? print_usage_bug+0xc0/0xc0
[  360.179919]  ? __lock_acquire+0x62f/0x4c20
[  360.184160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.189705]  ? check_preemption_disabled+0x48/0x280
[  360.194753]  ? __lock_is_held+0xb5/0x140
[  360.198844]  __alloc_pages_nodemask+0xa80/0xde0
[  360.203537]  ? zap_class+0x640/0x640
[  360.207269]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.212303]  ? find_held_lock+0x36/0x1c0
[  360.216380]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.221056]  ? lock_downgrade+0x900/0x900
[  360.225220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.230768]  cache_grow_begin+0xa5/0x8c0
[  360.234835]  ? do_raw_spin_unlock+0xa7/0x330
[  360.239262]  fallback_alloc+0x204/0x2e0
[  360.243249]  ____cache_alloc_node+0x1c7/0x1e0
[  360.247758]  kmem_cache_alloc_node+0xe3/0x730
[  360.252260]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.256511]  __alloc_skb+0x119/0x770
[  360.260231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.265521]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.269938]  ? lock_downgrade+0x900/0x900
[  360.274098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.279648]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.285114]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.290568]  ? addrconf_rs_timer+0x690/0x690
[  360.295017]  ndisc_alloc_skb+0x144/0x340
[  360.299098]  ndisc_send_rs+0x331/0x6e0
[  360.303012]  addrconf_rs_timer+0x314/0x690
[  360.307290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.311538]  call_timer_fn+0x272/0x920
[  360.315427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.319668]  ? process_timeout+0x40/0x40
[  360.323741]  ? mark_held_locks+0xc7/0x130
[  360.328044]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.332537]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.337032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.341273]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.345862]  ? trace_hardirqs_on+0xbd/0x310
[  360.350192]  ? kasan_check_read+0x11/0x20
[  360.354347]  ? __run_timers+0x7da/0xc70
[  360.358329]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.363450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.367688]  __run_timers+0x7e5/0xc70
[  360.371509]  ? timer_fixup_init+0x70/0x70
[  360.375668]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.380691]  ? zap_class+0x640/0x640
[  360.384419]  ? print_usage_bug+0xc0/0xc0
[  360.388494]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  360.393702]  ? find_held_lock+0x36/0x1c0
[  360.397775]  ? zap_class+0x640/0x640
[  360.401501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.407063]  ? check_preemption_disabled+0x48/0x280
[  360.412097]  ? __lock_is_held+0xb5/0x140
[  360.416164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.421705]  ? check_preemption_disabled+0x48/0x280
[  360.426749]  run_timer_softirq+0x52/0xb0
[  360.430812]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.435828]  __do_softirq+0x308/0xb7e
[  360.440166]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  360.444681]  ? lock_downgrade+0x900/0x900
[  360.448836]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.453966]  ? pvclock_read_flags+0x160/0x160
[  360.458470]  ? lapic_next_event+0x5a/0x90
[  360.462630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.468178]  ? kvm_clock_read+0x18/0x30
[  360.472158]  ? kvm_sched_clock_read+0x9/0x20
[  360.476586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.482143]  ? check_preemption_disabled+0x48/0x280
[  360.487173]  irq_exit+0x17f/0x1c0
[  360.490637]  smp_apic_timer_interrupt+0x1cb/0x760
[  360.495483]  ? smp_reschedule_interrupt+0x109/0x650
[  360.500506]  ? smp_call_function_single_interrupt+0x650/0x650
[  360.506394]  ? interrupt_entry+0xb5/0xc0
[  360.510460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.515480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.520499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.525374]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.530407]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.535422]  ? task_prio+0x50/0x50
[  360.538969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.544509]  ? check_preemption_disabled+0x48/0x280
[  360.549533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.554390]  apic_timer_interrupt+0xf/0x20
[  360.558626]  </IRQ>
[  360.560878] RIP: 0010:console_unlock+0x102f/0x1190
[  360.565812] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  360.584733] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  360.592441] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  360.599743] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  360.607010] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  360.614279] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  360.621546] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  360.628844]  ? netconsole_netdev_event+0x280/0x280
[  360.633786]  ? console_unlock+0x1026/0x1190
[  360.638138]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  360.642812]  ? vprintk_emit+0x846/0x990
[  360.646791]  ? lock_release+0xa00/0xa00
[  360.650769]  ? trace_hardirqs_on+0x20/0x310
[  360.655113]  ? vprintk_default+0x28/0x30
[  360.659182]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.664303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.669853]  vprintk_emit+0x391/0x990
[  360.673677]  ? wake_up_klogd+0x180/0x180
[  360.677764]  ? match_held_lock+0x8c1/0x8d0
[  360.682011]  ? mark_held_locks+0xc7/0x130
[  360.686167]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.690667]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.695182]  vprintk_default+0x28/0x30
[  360.699076]  vprintk_func+0x7e/0x181
[  360.702803]  printk+0xa7/0xcf
[  360.705915]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  360.710688]  ? _raw_spin_unlock_irq+0x60/0x80
[  360.715197]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  360.720488]  dump_header+0x7cc/0xf72
[  360.724217]  ? pagefault_out_of_memory+0x197/0x197
[  360.729246]  ? __lock_acquire+0x62f/0x4c20
[  360.733490]  ? percpu_ref_get_many+0x240/0x240
[  360.738077]  ? print_usage_bug+0xc0/0xc0
[  360.742155]  ? zap_class+0x640/0x640
[  360.745875]  ? print_usage_bug+0xc0/0xc0
[  360.749945]  ? zap_class+0x640/0x640
[  360.753666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.759210]  ? find_held_lock+0x36/0x1c0
[  360.763283]  ? mark_held_locks+0xc7/0x130
[  360.767459]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.772571]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.777681]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.782276]  ? trace_hardirqs_on+0xbd/0x310
[  360.786606]  ? kasan_check_read+0x11/0x20
[  360.790778]  ? ___ratelimit+0x3b4/0x672
[  360.794754]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.799873]  ? trace_hardirqs_on+0x310/0x310
[  360.804287]  ? lock_downgrade+0x900/0x900
[  360.808448]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.813553]  ? ___ratelimit+0x3b9/0x672
[  360.817548]  ? idr_get_free+0xf70/0xf70
[  360.821525]  ? find_held_lock+0x36/0x1c0
[  360.825636]  oom_kill_process.cold.27+0x10/0x903
[  360.830397]  ? zap_class+0x640/0x640
[  360.834121]  ? check_preemption_disabled+0x48/0x280
[  360.839152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.844084]  ? kasan_check_read+0x11/0x20
[  360.848258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.853575]  ? oom_evaluate_task+0x540/0x540
[  360.858015]  ? find_held_lock+0x36/0x1c0
[  360.862133]  ? out_of_memory+0x974/0x1430
[  360.866291]  ? lock_downgrade+0x900/0x900
[  360.870439]  ? check_preemption_disabled+0x48/0x280
[  360.875459]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.880392]  ? kasan_check_read+0x11/0x20
[  360.884542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.889822]  ? rcu_softirq_qs+0x20/0x20
[  360.893803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.899343]  ? oom_evaluate_task+0x302/0x540
[  360.903759]  out_of_memory+0xa84/0x1430
[  360.907747]  ? oom_killer_disable+0x3a0/0x3a0
[  360.912248]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  360.917183]  ? __ww_mutex_check_waiters+0x160/0x160
[  360.922218]  __alloc_pages_slowpath+0x2354/0x2e10
[  360.927098]  ? warn_alloc+0x120/0x120
[  360.930912]  ? mark_held_locks+0x130/0x130
[  360.935160]  ? find_get_entry+0xaae/0x1120
[  360.939408]  ? filemap_map_pages+0x1a20/0x1a20
[  360.943998]  ? zap_class+0x640/0x640
[  360.947722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.953266]  ? check_preemption_disabled+0x48/0x280
[  360.958287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.963830]  ? should_fail+0x22d/0xd01
[  360.967726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.972833]  ? zap_class+0x640/0x640
[  360.976596]  ? __lock_is_held+0xb5/0x140
[  360.980679]  ? mark_held_locks+0x130/0x130
[  360.984919]  ? lock_release+0xa00/0xa00
[  360.988901]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.994360]  ? xa_load+0x2ba/0x460
[  360.997907]  ? lock_downgrade+0x900/0x900
[  361.002065]  ? __might_sleep+0x95/0x190
[  361.006055]  __alloc_pages_nodemask+0xa80/0xde0
[  361.010739]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.015797]  ? __page_cache_alloc+0x191/0x5c0
[  361.020294]  ? xa_load+0x2e1/0x460
[  361.023855]  ? xa_clear_mark+0x40/0x40
[  361.027773]  ? zap_class+0x640/0x640
[  361.031501]  ? zap_class+0x640/0x640
[  361.035217]  ? zap_class+0x640/0x640
[  361.038934]  ? __do_page_cache_readahead+0x663/0x810
[  361.044072]  ? find_held_lock+0x36/0x1c0
[  361.048163]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  361.053713]  alloc_pages_current+0x173/0x350
[  361.058135]  __page_cache_alloc+0x38c/0x5c0
[  361.062459]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.067835]  ? kasan_check_read+0x11/0x20
[  361.071981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.077263]  ? generic_perform_write+0x6a0/0x6a0
[  361.082023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.087588]  ? check_preemption_disabled+0x48/0x280
[  361.092632]  filemap_fault+0x1595/0x25f0
[  361.096716]  ? __lock_page_or_retry+0xa00/0xa00
[  361.101398]  ? mark_held_locks+0x130/0x130
[  361.105649]  ? filemap_map_pages+0xd6b/0x1a20
[  361.110156]  ? lock_downgrade+0x900/0x900
[  361.114310]  ? check_preemption_disabled+0x48/0x280
[  361.119336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.124270]  ? kasan_check_read+0x11/0x20
[  361.128420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.133702]  ? rcu_softirq_qs+0x20/0x20
[  361.137694]  ? filemap_map_pages+0xd92/0x1a20
[  361.142211]  ? find_get_entries_tag+0x1400/0x1400
[  361.147063]  ? debug_object_destroy+0x2b0/0x2b0
[  361.151737]  ? lock_pi_update_atomic+0x150/0x150
[  361.156520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.162097]  ? lock_acquire+0x1ed/0x520
[  361.166081]  ? ext4_filemap_fault+0x7a/0xad
[  361.170418]  ? lock_release+0xa00/0xa00
[  361.174394]  ? perf_trace_sched_process_exec+0x860/0x860
[  361.179849]  ? print_usage_bug+0xc0/0xc0
[  361.183916]  ? print_usage_bug+0xc0/0xc0
[  361.187990]  ? down_read+0x8d/0x120
[  361.191638]  ? ext4_filemap_fault+0x7a/0xad
[  361.195965]  ? __down_interruptible+0x700/0x700
[  361.200658]  ext4_filemap_fault+0x82/0xad
[  361.204815]  __do_fault+0x100/0x6b0
[  361.208451]  ? pmd_devmap_trans_unstable+0x220/0x220
[  361.213559]  ? mark_held_locks+0x130/0x130
[  361.217796]  ? mark_held_locks+0x130/0x130
[  361.222037]  ? debug_smp_processor_id+0x1c/0x20
[  361.226709]  ? perf_trace_lock+0x14d/0x7a0
[  361.230952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.236501]  __handle_mm_fault+0x3ea6/0x5be0
[  361.240927]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  361.245778]  ? lock_is_held_type+0x210/0x210
[  361.250211]  ? ksys_dup3+0x680/0x680
[  361.253949]  ? zap_class+0x640/0x640
[  361.257681]  ? zap_class+0x640/0x640
[  361.261400]  ? __x64_sys_futex+0x53e/0x6a0
[  361.265662]  ? find_held_lock+0x36/0x1c0
[  361.269741]  ? handle_mm_fault+0x42a/0xc70
[  361.274000]  ? lock_downgrade+0x900/0x900
[  361.278156]  ? check_preemption_disabled+0x48/0x280
[  361.283187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.288134]  ? kasan_check_read+0x11/0x20
[  361.292290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.297569]  ? rcu_softirq_qs+0x20/0x20
[  361.301552]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.306665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.312209]  ? check_preemption_disabled+0x48/0x280
[  361.317255]  handle_mm_fault+0x54f/0xc70
[  361.321339]  ? __handle_mm_fault+0x5be0/0x5be0
[  361.325932]  ? find_vma+0x34/0x190
[  361.329488]  __do_page_fault+0x5e8/0xe60
[  361.333554]  ? trace_hardirqs_off+0xb8/0x310
[  361.337980]  do_page_fault+0xf2/0x7e0
[  361.341790]  ? vmalloc_sync_all+0x30/0x30
[  361.345941]  ? error_entry+0x70/0xd0
[  361.349665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.354693]  ? trace_hardirqs_on_caller+0xc0/0x310
[  361.359639]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.364570]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.369432]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.374450]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  361.379913]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.384958]  ? page_fault+0x8/0x30
[  361.388509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.393358]  ? page_fault+0x8/0x30
[  361.396905]  page_fault+0x1e/0x30
[  361.400363] RIP: 0033:0x40f9c0
[  361.403571] Code: Bad RIP value.
[  361.406935] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  361.412314] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  361.419585] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  361.426861] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  361.434137] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  361.441427] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  361.448727] warn_alloc_show_mem: 1 callbacks suppressed
[  361.448739] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  361.448741] Mem-Info:
[  361.448773] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  361.448773]  active_file:15 inactive_file:12 isolated_file:0
[  361.448773]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.448773]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  361.448773]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  361.448773]  free:13790 free_pcp:473 free_cma:0
[  361.454124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.460541] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  361.462944] Call Trace:
[  361.495994] 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
[  361.505364]  dump_stack+0x244/0x39d
[  361.533009] lowmem_reserve[]: 0 2818 6321 6321
[  361.535613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.561705] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  361.565346]  warn_alloc.cold.116+0xb7/0x1bd
[  361.569896] lowmem_reserve[]: 0 0 3503 3503
[  361.575087]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.602569] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  361.606891]  ? lock_downgrade+0x900/0x900
[  361.611192] lowmem_reserve[]: 0 0 0 0
[  361.616046]  ? trace_hardirqs_off+0xb8/0x310
[  361.645170] 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
[  361.649325]  ? trace_hardirqs_off+0xb8/0x310
[  361.653114] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  361.657533]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.671033] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  361.675470]  ? warn_alloc+0x120/0x120
[  361.690777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.695617]  ? warn_alloc+0x120/0x120
[  361.710954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.714751]  ? warn_alloc+0x120/0x120
[  361.723566] 2571 total pagecache pages
[  361.727367]  ? print_usage_bug+0xc0/0xc0
[  361.735930] 0 pages in swap cache
[  361.739743]  ? print_usage_bug+0xc0/0xc0
[  361.743640] Swap cache stats: add 0, delete 0, find 0/0
[  361.747702]  ? mark_held_locks+0x130/0x130
[  361.751140] Free swap  = 0kB
[  361.755204]  ? mark_held_locks+0x130/0x130
[  361.760542] Total swap = 0kB
[  361.760552] 1965979 pages RAM
[  361.764791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.767788] 0 pages HighMem/MovableOnly
[  361.772023]  ? should_fail+0x22d/0xd01
[  361.775025] 342855 pages reserved
[  361.778140]  ? zap_class+0x640/0x640
[  361.783681] 0 pages cma reserved
[  361.787656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.791579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.794967]  ? __lock_acquire+0x62f/0x4c20
[  361.794987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.795005]  ? __lock_acquire+0x62f/0x4c20
[  361.798760] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.802068]  ? should_fail+0x22d/0xd01
[  361.807154] syz-fuzzer cpuset=/ mems_allowed=0
[  361.813658]  ? mark_held_locks+0x130/0x130
[  361.850164]  ? mark_held_locks+0x130/0x130
[  361.854403]  ? lock_downgrade+0x900/0x900
[  361.858558]  ? zap_class+0x640/0x640
[  361.862274]  ? zap_class+0x640/0x640
[  361.865995]  ? zap_class+0x640/0x640
[  361.869715]  ? do_raw_spin_unlock+0xa7/0x330
[  361.874140]  ? trace_hardirqs_on+0x310/0x310
[  361.878553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.884126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.889689]  ? check_preemption_disabled+0x48/0x280
[  361.894726]  ? __lock_is_held+0xb5/0x140
[  361.898800]  __alloc_pages_nodemask+0xa80/0xde0
[  361.903484]  ? zap_class+0x640/0x640
[  361.907224]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.912259]  ? find_held_lock+0x36/0x1c0
[  361.916341]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.921022]  ? lock_downgrade+0x900/0x900
[  361.925183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.930733]  cache_grow_begin+0xa5/0x8c0
[  361.934799]  ? do_raw_spin_unlock+0xa7/0x330
[  361.939225]  fallback_alloc+0x204/0x2e0
[  361.943217]  ____cache_alloc_node+0x1c7/0x1e0
[  361.947723]  kmem_cache_alloc_node+0xe3/0x730
[  361.952264]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.956864]  __alloc_skb+0x119/0x770
[  361.960587]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  361.965962]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.970383]  ? vprintk_default+0x28/0x30
[  361.974449]  ? vprintk_func+0x85/0x181
[  361.978345]  ? printk+0xa7/0xcf
[  361.981628]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  361.986398]  new_skb+0x26/0x1c0
[  361.989700]  aoecmd_cfg+0x279/0x7f0
[  361.993332]  ? find_held_lock+0x36/0x1c0
[  361.997399]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  362.001733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.007289]  ? __lock_is_held+0xb5/0x140
[  362.011367]  discover_timer+0x50/0x60
[  362.015186]  call_timer_fn+0x272/0x920
[  362.019079]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  362.023940]  ? process_timeout+0x40/0x40
[  362.028015]  ? __run_timers+0x7da/0xc70
[  362.032001]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.036504]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.041000]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  362.045847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.050437]  ? trace_hardirqs_on+0xbd/0x310
[  362.054766]  ? kasan_check_read+0x11/0x20
[  362.058915]  ? __run_timers+0x7da/0xc70
[  362.062899]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.068023]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  362.072869]  __run_timers+0x7e5/0xc70
[  362.076685]  ? timer_fixup_init+0x70/0x70
[  362.080841]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.085341]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.089846]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.094432]  ? trace_hardirqs_on+0xbd/0x310
[  362.098761]  ? kasan_check_read+0x11/0x20
[  362.102918]  ? finish_task_switch+0x1f4/0x910
[  362.107421]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.112530]  ? compat_start_thread+0x80/0x80
[  362.116992]  ? pvclock_read_flags+0x160/0x160
[  362.121490]  ? __switch_to_asm+0x34/0x70
[  362.125561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.131128]  ? check_preemption_disabled+0x48/0x280
[  362.136174]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  362.141716]  ? rcu_pm_notify+0xc0/0xc0
[  362.145614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.151159]  ? check_preemption_disabled+0x48/0x280
[  362.156185]  run_timer_softirq+0x52/0xb0
[  362.160251]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.165272]  __do_softirq+0x308/0xb7e
[  362.169086]  ? trace_hardirqs_on_caller+0xc0/0x310
[  362.174048]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.179164]  ? schedule+0x108/0x460
[  362.182805]  ? trace_hardirqs_off+0xb8/0x310
[  362.187220]  ? smpboot_thread_fn+0x68b/0xa00
[  362.191631]  ? trace_hardirqs_on+0x310/0x310
[  362.196048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.201591]  ? check_preemption_disabled+0x48/0x280
[  362.206614]  ? takeover_tasklets+0xa90/0xa90
[  362.211029]  run_ksoftirqd+0x5e/0x100
[  362.214837]  smpboot_thread_fn+0x68b/0xa00
[  362.219098]  ? sort_range+0x30/0x30
[  362.222748]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.227884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.233431]  ? __kthread_parkme+0xfb/0x1a0
[  362.237675]  ? sort_range+0x30/0x30
[  362.241308]  kthread+0x35a/0x440
[  362.244689]  ? kthread_stop+0x900/0x900
[  362.248671]  ret_from_fork+0x3a/0x50
[  362.252411] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  362.252482] aoe: skb alloc failure
[  362.259000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.259006] Call Trace:
[  362.259013]  <IRQ>
[  362.259031]  dump_stack+0x244/0x39d
[  362.259051]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.262604] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.271944]  warn_alloc.cold.116+0xb7/0x1bd
[  362.274522] ksoftirqd/0 cpuset=/ mems_allowed=0
[  362.276677]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.309571]  ? lock_downgrade+0x900/0x900
[  362.313737]  ? trace_hardirqs_off+0xb8/0x310
[  362.318159]  ? trace_hardirqs_off+0xb8/0x310
[  362.322592]  __alloc_pages_slowpath+0x26e8/0x2e10
[  362.327497]  ? warn_alloc+0x120/0x120
[  362.331620]  ? print_usage_bug+0xc0/0xc0
[  362.335700]  ? warn_alloc+0x120/0x120
[  362.339512]  ? warn_alloc+0x120/0x120
[  362.343318]  ? print_usage_bug+0xc0/0xc0
[  362.347392]  ? print_usage_bug+0xc0/0xc0
[  362.351465]  ? __lock_acquire+0x62f/0x4c20
[  362.355711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.361255]  ? should_fail+0x22d/0xd01
[  362.365154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.370301]  ? __lock_acquire+0x62f/0x4c20
[  362.374544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.379650]  ? __lock_acquire+0x62f/0x4c20
[  362.383887]  ? should_fail+0x22d/0xd01
[  362.387782]  ? find_held_lock+0x36/0x1c0
[  362.391851]  ? mark_held_locks+0x130/0x130
[  362.396101]  ? mark_held_locks+0x130/0x130
[  362.400342]  ? zap_class+0x640/0x640
[  362.404060]  ? zap_class+0x640/0x640
[  362.407782]  ? print_usage_bug+0xc0/0xc0
[  362.411854]  ? do_raw_spin_unlock+0xa7/0x330
[  362.416273]  ? zap_class+0x640/0x640
[  362.419993]  ? print_usage_bug+0xc0/0xc0
[  362.424092]  ? wq_watchdog_touch+0x9c/0xfe
[  362.428339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.433882]  ? check_preemption_disabled+0x48/0x280
[  362.439390]  ? __lock_is_held+0xb5/0x140
[  362.443468]  __alloc_pages_nodemask+0xa80/0xde0
[  362.448145]  ? zap_class+0x640/0x640
[  362.451868]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.456906]  ? find_held_lock+0x36/0x1c0
[  362.460986]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.465688]  ? lock_downgrade+0x900/0x900
[  362.469863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.475442]  cache_grow_begin+0xa5/0x8c0
[  362.479515]  ? do_raw_spin_unlock+0xa7/0x330
[  362.483945]  fallback_alloc+0x204/0x2e0
[  362.487933]  ____cache_alloc_node+0x1c7/0x1e0
[  362.492440]  kmem_cache_alloc_node+0xe3/0x730
[  362.496940]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.501193]  __alloc_skb+0x119/0x770
[  362.504909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.510200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.514621]  ? lock_downgrade+0x900/0x900
[  362.518784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.524330]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.529811]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.535273]  ? addrconf_rs_timer+0x690/0x690
[  362.539700]  ndisc_alloc_skb+0x144/0x340
[  362.543771]  ndisc_send_rs+0x331/0x6e0
[  362.547669]  addrconf_rs_timer+0x314/0x690
[  362.551921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.556177]  call_timer_fn+0x272/0x920
[  362.560067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.564315]  ? process_timeout+0x40/0x40
[  362.568395]  ? mark_held_locks+0xc7/0x130
[  362.572555]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.577060]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.581562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.585801]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.590396]  ? trace_hardirqs_on+0xbd/0x310
[  362.594724]  ? kasan_check_read+0x11/0x20
[  362.598904]  ? __run_timers+0x7da/0xc70
[  362.602924]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.608040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.612287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.616537]  __run_timers+0x7e5/0xc70
[  362.620355]  ? timer_fixup_init+0x70/0x70
[  362.624512]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.629536]  ? zap_class+0x640/0x640
[  362.633260]  ? print_usage_bug+0xc0/0xc0
[  362.637332]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.642533]  ? find_held_lock+0x36/0x1c0
[  362.646606]  ? zap_class+0x640/0x640
[  362.650343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.655885]  ? check_preemption_disabled+0x48/0x280
[  362.660947]  ? __lock_is_held+0xb5/0x140
[  362.665015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.670557]  ? check_preemption_disabled+0x48/0x280
[  362.675586]  run_timer_softirq+0x52/0xb0
[  362.679655]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.684678]  __do_softirq+0x308/0xb7e
[  362.688492]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.692990]  ? lock_downgrade+0x900/0x900
[  362.697152]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.702272]  ? pvclock_read_flags+0x160/0x160
[  362.706776]  ? lapic_next_event+0x5a/0x90
[  362.710939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.716491]  ? kvm_clock_read+0x18/0x30
[  362.720473]  ? kvm_sched_clock_read+0x9/0x20
[  362.724890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.730432]  ? check_preemption_disabled+0x48/0x280
[  362.735468]  irq_exit+0x17f/0x1c0
[  362.738930]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.743780]  ? smp_reschedule_interrupt+0x109/0x650
[  362.748800]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.754692]  ? interrupt_entry+0xb5/0xc0
[  362.758762]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.763782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.768804]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.773654]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.778678]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.783697]  ? task_prio+0x50/0x50
[  362.787248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.792792]  ? check_preemption_disabled+0x48/0x280
[  362.797823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.802680]  apic_timer_interrupt+0xf/0x20
[  362.806917]  </IRQ>
[  362.809161] RIP: 0010:console_unlock+0x102f/0x1190
[  362.814116] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  362.833021] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  362.840735] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  362.848004] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  362.855279] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  362.862554] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  362.869839] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  362.877131]  ? netconsole_netdev_event+0x280/0x280
[  362.882087]  ? console_unlock+0x1026/0x1190
[  362.886441]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  362.891122]  ? vprintk_emit+0x846/0x990
[  362.895118]  ? lock_release+0xa00/0xa00
[  362.899110]  ? trace_hardirqs_on+0x20/0x310
[  362.903440]  ? vprintk_default+0x28/0x30
[  362.907507]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.912625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.918177]  vprintk_emit+0x391/0x990
[  362.921989]  ? wake_up_klogd+0x180/0x180
[  362.926066]  ? match_held_lock+0x8c1/0x8d0
[  362.930324]  ? mark_held_locks+0xc7/0x130
[  362.934486]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.938989]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.943499]  vprintk_default+0x28/0x30
[  362.947396]  vprintk_func+0x7e/0x181
[  362.951124]  printk+0xa7/0xcf
[  362.954239]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  362.959013]  ? _raw_spin_unlock_irq+0x60/0x80
[  362.963541]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  362.968831]  dump_header+0x7cc/0xf72
[  362.972562]  ? pagefault_out_of_memory+0x197/0x197
[  362.977503]  ? __lock_acquire+0x62f/0x4c20
[  362.981745]  ? percpu_ref_get_many+0x240/0x240
[  362.986339]  ? print_usage_bug+0xc0/0xc0
[  362.990417]  ? zap_class+0x640/0x640
[  362.994147]  ? print_usage_bug+0xc0/0xc0
[  362.998223]  ? zap_class+0x640/0x640
[  363.001944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.007493]  ? find_held_lock+0x36/0x1c0
[  363.011573]  ? mark_held_locks+0xc7/0x130
[  363.015748]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  363.020860]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  363.025971]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.030561]  ? trace_hardirqs_on+0xbd/0x310
[  363.034893]  ? kasan_check_read+0x11/0x20
[  363.039044]  ? ___ratelimit+0x3b4/0x672
[  363.043029]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.048140]  ? trace_hardirqs_on+0x310/0x310
[  363.052556]  ? lock_downgrade+0x900/0x900
[  363.056716]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  363.061837]  ? ___ratelimit+0x3b9/0x672
[  363.065819]  ? idr_get_free+0xf70/0xf70
[  363.069811]  ? find_held_lock+0x36/0x1c0
[  363.073887]  oom_kill_process.cold.27+0x10/0x903
[  363.078652]  ? zap_class+0x640/0x640
[  363.082374]  ? check_preemption_disabled+0x48/0x280
[  363.087399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.092338]  ? kasan_check_read+0x11/0x20
[  363.096492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.101773]  ? oom_evaluate_task+0x540/0x540
[  363.106201]  ? find_held_lock+0x36/0x1c0
[  363.110276]  ? out_of_memory+0x974/0x1430
[  363.114438]  ? lock_downgrade+0x900/0x900
[  363.118591]  ? check_preemption_disabled+0x48/0x280
[  363.123625]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.128557]  ? kasan_check_read+0x11/0x20
[  363.132724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.138005]  ? rcu_softirq_qs+0x20/0x20
[  363.141986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.147529]  ? oom_evaluate_task+0x302/0x540
[  363.151961]  out_of_memory+0xa84/0x1430
[  363.155952]  ? oom_killer_disable+0x3a0/0x3a0
[  363.160465]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  363.165406]  ? __ww_mutex_check_waiters+0x160/0x160
[  363.170445]  __alloc_pages_slowpath+0x2354/0x2e10
[  363.175326]  ? warn_alloc+0x120/0x120
[  363.179138]  ? mark_held_locks+0x130/0x130
[  363.183388]  ? find_get_entry+0xaae/0x1120
[  363.187648]  ? filemap_map_pages+0x1a20/0x1a20
[  363.192246]  ? zap_class+0x640/0x640
[  363.195970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.201511]  ? check_preemption_disabled+0x48/0x280
[  363.206575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.212124]  ? should_fail+0x22d/0xd01
[  363.216027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.221153]  ? zap_class+0x640/0x640
[  363.224919]  ? __lock_is_held+0xb5/0x140
[  363.228994]  ? mark_held_locks+0x130/0x130
[  363.233238]  ? lock_release+0xa00/0xa00
[  363.237216]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.242671]  ? xa_load+0x2ba/0x460
[  363.246230]  ? lock_downgrade+0x900/0x900
[  363.250393]  ? __might_sleep+0x95/0x190
[  363.254377]  __alloc_pages_nodemask+0xa80/0xde0
[  363.259063]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.264091]  ? __page_cache_alloc+0x191/0x5c0
[  363.268605]  ? xa_load+0x2e1/0x460
[  363.272159]  ? xa_clear_mark+0x40/0x40
[  363.276059]  ? zap_class+0x640/0x640
[  363.279798]  ? zap_class+0x640/0x640
[  363.283521]  ? zap_class+0x640/0x640
[  363.287241]  ? __do_page_cache_readahead+0x663/0x810
[  363.292354]  ? find_held_lock+0x36/0x1c0
[  363.296427]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  363.301986]  alloc_pages_current+0x173/0x350
[  363.306406]  __page_cache_alloc+0x38c/0x5c0
[  363.310730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.315681]  ? kasan_check_read+0x11/0x20
[  363.319832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.325116]  ? generic_perform_write+0x6a0/0x6a0
[  363.329881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.335428]  ? check_preemption_disabled+0x48/0x280
[  363.340462]  filemap_fault+0x1595/0x25f0
[  363.344549]  ? __lock_page_or_retry+0xa00/0xa00
[  363.349226]  ? mark_held_locks+0x130/0x130
[  363.353484]  ? filemap_map_pages+0xd6b/0x1a20
[  363.357990]  ? lock_downgrade+0x900/0x900
[  363.362144]  ? check_preemption_disabled+0x48/0x280
[  363.367173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.372116]  ? kasan_check_read+0x11/0x20
[  363.376294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.381578]  ? rcu_softirq_qs+0x20/0x20
[  363.385576]  ? filemap_map_pages+0xd92/0x1a20
[  363.390117]  ? find_get_entries_tag+0x1400/0x1400
[  363.394985]  ? debug_object_destroy+0x2b0/0x2b0
[  363.399661]  ? lock_pi_update_atomic+0x150/0x150
[  363.404424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.409987]  ? lock_acquire+0x1ed/0x520
[  363.413968]  ? ext4_filemap_fault+0x7a/0xad
[  363.418306]  ? lock_release+0xa00/0xa00
[  363.422287]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.427746]  ? print_usage_bug+0xc0/0xc0
[  363.431816]  ? print_usage_bug+0xc0/0xc0
[  363.435895]  ? down_read+0x8d/0x120
[  363.439522]  ? ext4_filemap_fault+0x7a/0xad
[  363.443861]  ? __down_interruptible+0x700/0x700
[  363.448547]  ext4_filemap_fault+0x82/0xad
[  363.452711]  __do_fault+0x100/0x6b0
[  363.456353]  ? pmd_devmap_trans_unstable+0x220/0x220
[  363.461467]  ? mark_held_locks+0x130/0x130
[  363.465711]  ? mark_held_locks+0x130/0x130
[  363.469952]  ? debug_smp_processor_id+0x1c/0x20
[  363.474629]  ? perf_trace_lock+0x14d/0x7a0
[  363.478880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.484428]  __handle_mm_fault+0x3ea6/0x5be0
[  363.488852]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  363.493702]  ? lock_is_held_type+0x210/0x210
[  363.498127]  ? ksys_dup3+0x680/0x680
[  363.501864]  ? zap_class+0x640/0x640
[  363.505583]  ? zap_class+0x640/0x640
[  363.509310]  ? __x64_sys_futex+0x53e/0x6a0
[  363.513555]  ? find_held_lock+0x36/0x1c0
[  363.517637]  ? handle_mm_fault+0x42a/0xc70
[  363.521881]  ? lock_downgrade+0x900/0x900
[  363.526045]  ? check_preemption_disabled+0x48/0x280
[  363.531075]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.536008]  ? kasan_check_read+0x11/0x20
[  363.540159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.545443]  ? rcu_softirq_qs+0x20/0x20
[  363.549424]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.554534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.560090]  ? check_preemption_disabled+0x48/0x280
[  363.565122]  handle_mm_fault+0x54f/0xc70
[  363.569201]  ? __handle_mm_fault+0x5be0/0x5be0
[  363.573796]  ? find_vma+0x34/0x190
[  363.577370]  __do_page_fault+0x5e8/0xe60
[  363.581441]  ? trace_hardirqs_off+0xb8/0x310
[  363.585866]  do_page_fault+0xf2/0x7e0
[  363.589672]  ? vmalloc_sync_all+0x30/0x30
[  363.593827]  ? error_entry+0x70/0xd0
[  363.597554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.602575]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.607508]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.612443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.617295]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.622316]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.627779]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.632797]  ? page_fault+0x8/0x30
[  363.636345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.641196]  ? page_fault+0x8/0x30
[  363.644748]  page_fault+0x1e/0x30
[  363.648205] RIP: 0033:0x40f9c0
[  363.651415] Code: Bad RIP value.
[  363.654778] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  363.660141] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  363.667424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  363.674695] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  363.681966] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  363.689246] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  363.696543] warn_alloc_show_mem: 1 callbacks suppressed
[  363.696555] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  363.696557] Mem-Info:
[  363.696589] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  363.696589]  active_file:15 inactive_file:12 isolated_file:0
[  363.696589]  unevictable:0 dirty:0 writeback:0 unstable:0
[  363.696589]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  363.696589]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  363.696589]  free:13790 free_pcp:473 free_cma:0
[  363.701935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.708355] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  363.710759] Call Trace:
[  363.743801] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  363.753167]  dump_stack+0x244/0x39d
[  363.780814] lowmem_reserve[]: 0 2818 6321 6321
[  363.783420]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.809508] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  363.813153]  warn_alloc.cold.116+0xb7/0x1bd
[  363.817696] lowmem_reserve[]: 0 0 3503 3503
[  363.822901]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.850382] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  363.854709]  ? lock_downgrade+0x900/0x900
[  363.859033] lowmem_reserve[]: 0 0 0 0
[  363.863884]  ? trace_hardirqs_off+0xb8/0x310
[  363.893009] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  363.897170]  ? trace_hardirqs_off+0xb8/0x310
[  363.900946] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  363.905362]  __alloc_pages_slowpath+0x26e8/0x2e10
[  363.918859] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  363.923297]  ? warn_alloc+0x120/0x120
[  363.938606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  363.943443]  ? warn_alloc+0x120/0x120
[  363.958774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  363.962572]  ? warn_alloc+0x120/0x120
[  363.971387] 2571 total pagecache pages
[  363.975191]  ? print_usage_bug+0xc0/0xc0
[  363.983757] 0 pages in swap cache
[  363.987549]  ? print_usage_bug+0xc0/0xc0
[  363.991421] Swap cache stats: add 0, delete 0, find 0/0
[  363.995475]  ? mark_held_locks+0x130/0x130
[  363.998951] Free swap  = 0kB
[  364.003013]  ? mark_held_locks+0x130/0x130
[  364.008367] Total swap = 0kB
[  364.012612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.015621] 1965979 pages RAM
[  364.019853]  ? should_fail+0x22d/0xd01
[  364.022854] 0 pages HighMem/MovableOnly
[  364.028399]  ? zap_class+0x640/0x640
[  364.031485] 342855 pages reserved
[  364.035374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.039325] 0 pages cma reserved
[  364.043041]  ? __lock_acquire+0x62f/0x4c20
[  364.046531] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.051576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.055015] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.059164]  ? __lock_acquire+0x62f/0x4c20
[  364.065639] syz-fuzzer cpuset=/ mems_allowed=0
[  364.070741]  ? should_fail+0x22d/0xd01
[  364.093637]  ? mark_held_locks+0x130/0x130
[  364.097890]  ? mark_held_locks+0x130/0x130
[  364.102136]  ? lock_downgrade+0x900/0x900
[  364.106293]  ? zap_class+0x640/0x640
[  364.110013]  ? zap_class+0x640/0x640
[  364.113736]  ? zap_class+0x640/0x640
[  364.117451]  ? do_raw_spin_unlock+0xa7/0x330
[  364.121876]  ? trace_hardirqs_on+0x310/0x310
[  364.126293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.131839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.137387]  ? check_preemption_disabled+0x48/0x280
[  364.142423]  ? __lock_is_held+0xb5/0x140
[  364.146499]  __alloc_pages_nodemask+0xa80/0xde0
[  364.151172]  ? zap_class+0x640/0x640
[  364.154899]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.159941]  ? find_held_lock+0x36/0x1c0
[  364.164021]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.168695]  ? lock_downgrade+0x900/0x900
[  364.172857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.178408]  cache_grow_begin+0xa5/0x8c0
[  364.182477]  ? do_raw_spin_unlock+0xa7/0x330
[  364.186901]  fallback_alloc+0x204/0x2e0
[  364.190888]  ____cache_alloc_node+0x1c7/0x1e0
[  364.195394]  kmem_cache_alloc_node+0xe3/0x730
[  364.199896]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.204496]  __alloc_skb+0x119/0x770
[  364.208216]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  364.213594]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.218015]  ? vprintk_default+0x28/0x30
[  364.222082]  ? vprintk_func+0x85/0x181
[  364.225985]  ? printk+0xa7/0xcf
[  364.229273]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  364.234058]  new_skb+0x26/0x1c0
[  364.237353]  aoecmd_cfg+0x279/0x7f0
[  364.240988]  ? find_held_lock+0x36/0x1c0
[  364.245055]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  364.249387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.254944]  ? __lock_is_held+0xb5/0x140
[  364.259023]  discover_timer+0x50/0x60
[  364.262829]  call_timer_fn+0x272/0x920
[  364.266730]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  364.271580]  ? process_timeout+0x40/0x40
[  364.275659]  ? __run_timers+0x7da/0xc70
[  364.279651]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.284156]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.288655]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  364.293503]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.298094]  ? trace_hardirqs_on+0xbd/0x310
[  364.302456]  ? kasan_check_read+0x11/0x20
[  364.306611]  ? __run_timers+0x7da/0xc70
[  364.310597]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.315723]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  364.320573]  __run_timers+0x7e5/0xc70
[  364.324393]  ? timer_fixup_init+0x70/0x70
[  364.329066]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.333592]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.338145]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.342757]  ? trace_hardirqs_on+0xbd/0x310
[  364.347077]  ? kasan_check_read+0x11/0x20
[  364.351239]  ? finish_task_switch+0x1f4/0x910
[  364.355736]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.360856]  ? compat_start_thread+0x80/0x80
[  364.365289]  ? pvclock_read_flags+0x160/0x160
[  364.369786]  ? __switch_to_asm+0x34/0x70
[  364.373851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.379393]  ? check_preemption_disabled+0x48/0x280
[  364.384422]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  364.390941]  ? rcu_pm_notify+0xc0/0xc0
[  364.394836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.400378]  ? check_preemption_disabled+0x48/0x280
[  364.405407]  run_timer_softirq+0x52/0xb0
[  364.409481]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.414511]  __do_softirq+0x308/0xb7e
[  364.418323]  ? trace_hardirqs_on_caller+0xc0/0x310
[  364.423261]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.428375]  ? schedule+0x108/0x460
[  364.432036]  ? trace_hardirqs_off+0xb8/0x310
[  364.436609]  ? smpboot_thread_fn+0x68b/0xa00
[  364.441018]  ? trace_hardirqs_on+0x310/0x310
[  364.445434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.450976]  ? check_preemption_disabled+0x48/0x280
[  364.456020]  ? takeover_tasklets+0xa90/0xa90
[  364.460436]  run_ksoftirqd+0x5e/0x100
[  364.464245]  smpboot_thread_fn+0x68b/0xa00
[  364.468487]  ? sort_range+0x30/0x30
[  364.472125]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  364.477933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.483482]  ? __kthread_parkme+0xfb/0x1a0
[  364.487722]  ? sort_range+0x30/0x30
[  364.491362]  kthread+0x35a/0x440
[  364.494743]  ? kthread_stop+0x900/0x900
[  364.498751]  ret_from_fork+0x3a/0x50
[  364.502490] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  364.502559] aoe: skb alloc failure
[  364.509082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.509088] Call Trace:
[  364.509094]  <IRQ>
[  364.509123]  dump_stack+0x244/0x39d
[  364.509143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.512693] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.522034]  warn_alloc.cold.116+0xb7/0x1bd
[  364.524593] ksoftirqd/0 cpuset=/ mems_allowed=0
[  364.526749]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.559663]  ? lock_downgrade+0x900/0x900
[  364.563841]  ? trace_hardirqs_off+0xb8/0x310
[  364.568264]  ? trace_hardirqs_off+0xb8/0x310
[  364.572683]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.577585]  ? warn_alloc+0x120/0x120
[  364.581400]  ? print_usage_bug+0xc0/0xc0
[  364.585472]  ? warn_alloc+0x120/0x120
[  364.589285]  ? warn_alloc+0x120/0x120
[  364.593090]  ? print_usage_bug+0xc0/0xc0
[  364.597188]  ? kvm_clock_read+0x18/0x30
[  364.601173]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.606200]  ? print_usage_bug+0xc0/0xc0
[  364.610273]  ? __lock_acquire+0x62f/0x4c20
[  364.614520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.620063]  ? should_fail+0x22d/0xd01
[  364.623951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.629252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.634361]  ? __lock_acquire+0x62f/0x4c20
[  364.638606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.643734]  ? __lock_acquire+0x62f/0x4c20
[  364.647967]  ? should_fail+0x22d/0xd01
[  364.651862]  ? rcu_irq_exit+0x1a2/0x390
[  364.655848]  ? mark_held_locks+0x130/0x130
[  364.660093]  ? mark_held_locks+0x130/0x130
[  364.664348]  ? mark_held_locks+0xc7/0x130
[  364.668500]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.673520]  ? zap_class+0x640/0x640
[  364.677238]  ? print_usage_bug+0xc0/0xc0
[  364.681309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.686849]  ? check_preemption_disabled+0x48/0x280
[  364.691878]  ? __lock_is_held+0xb5/0x140
[  364.695952]  __alloc_pages_nodemask+0xa80/0xde0
[  364.700634]  ? zap_class+0x640/0x640
[  364.704354]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.709403]  ? find_held_lock+0x36/0x1c0
[  364.713504]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.718196]  ? lock_downgrade+0x900/0x900
[  364.722367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.727917]  cache_grow_begin+0xa5/0x8c0
[  364.732069]  ? do_raw_spin_unlock+0xa7/0x330
[  364.736499]  fallback_alloc+0x204/0x2e0
[  364.740484]  ____cache_alloc_node+0x1c7/0x1e0
[  364.744987]  kmem_cache_alloc_node+0xe3/0x730
[  364.749488]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.753734]  __alloc_skb+0x119/0x770
[  364.757451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.762733]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.767141]  ? lock_downgrade+0x900/0x900
[  364.771298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.776836]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.782294]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.787748]  ? addrconf_rs_timer+0x690/0x690
[  364.792176]  ndisc_alloc_skb+0x144/0x340
[  364.796244]  ndisc_send_rs+0x331/0x6e0
[  364.800159]  addrconf_rs_timer+0x314/0x690
[  364.804403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.808655]  call_timer_fn+0x272/0x920
[  364.812545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.816785]  ? process_timeout+0x40/0x40
[  364.820878]  ? mark_held_locks+0xc7/0x130
[  364.825034]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.829548]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.834045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.838287]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.842875]  ? trace_hardirqs_on+0xbd/0x310
[  364.847199]  ? kasan_check_read+0x11/0x20
[  364.851350]  ? __run_timers+0x7da/0xc70
[  364.855327]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.860437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.864678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.868913]  __run_timers+0x7e5/0xc70
[  364.872730]  ? timer_fixup_init+0x70/0x70
[  364.876883]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.881903]  ? zap_class+0x640/0x640
[  364.885641]  ? print_usage_bug+0xc0/0xc0
[  364.889707]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.894905]  ? find_held_lock+0x36/0x1c0
[  364.898974]  ? zap_class+0x640/0x640
[  364.902695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.908239]  ? check_preemption_disabled+0x48/0x280
[  364.913268]  ? __lock_is_held+0xb5/0x140
[  364.917335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.922875]  ? check_preemption_disabled+0x48/0x280
[  364.927901]  run_timer_softirq+0x52/0xb0
[  364.931962]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.936992]  __do_softirq+0x308/0xb7e
[  364.940799]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.945297]  ? lock_downgrade+0x900/0x900
[  364.949453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.954570]  ? pvclock_read_flags+0x160/0x160
[  364.959123]  ? lapic_next_event+0x5a/0x90
[  364.963279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.968839]  ? kvm_clock_read+0x18/0x30
[  364.972815]  ? kvm_sched_clock_read+0x9/0x20
[  364.977230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.982770]  ? check_preemption_disabled+0x48/0x280
[  364.987821]  irq_exit+0x17f/0x1c0
[  364.991279]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.996137]  ? smp_reschedule_interrupt+0x109/0x650
[  365.001157]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.007045]  ? interrupt_entry+0xb5/0xc0
[  365.011116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.016140]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.021162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.026009]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.031047]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.036069]  ? task_prio+0x50/0x50
[  365.039663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.045246]  ? check_preemption_disabled+0x48/0x280
[  365.050271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.055132]  apic_timer_interrupt+0xf/0x20
[  365.059365]  </IRQ>
[  365.061620] RIP: 0010:console_unlock+0x102f/0x1190
[  365.066567] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  365.085466] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  365.093175] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  365.100444] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  365.107713] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  365.114982] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  365.122265] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  365.129548]  ? netconsole_netdev_event+0x280/0x280
[  365.134501]  ? console_unlock+0x1026/0x1190
[  365.138852]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  365.143522]  ? vprintk_emit+0x846/0x990
[  365.147518]  ? lock_release+0xa00/0xa00
[  365.151535]  ? trace_hardirqs_on+0x20/0x310
[  365.155859]  ? vprintk_default+0x28/0x30
[  365.159929]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.165040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.170588]  vprintk_emit+0x391/0x990
[  365.174493]  ? wake_up_klogd+0x180/0x180
[  365.178564]  ? match_held_lock+0x8c1/0x8d0
[  365.182811]  ? mark_held_locks+0xc7/0x130
[  365.186985]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.191507]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.196033]  vprintk_default+0x28/0x30
[  365.199923]  vprintk_func+0x7e/0x181
[  365.203646]  printk+0xa7/0xcf
[  365.206767]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  365.211531]  ? _raw_spin_unlock_irq+0x60/0x80
[  365.216055]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  365.221368]  dump_header+0x7cc/0xf72
[  365.225131]  ? pagefault_out_of_memory+0x197/0x197
[  365.230091]  ? __lock_acquire+0x62f/0x4c20
[  365.234340]  ? percpu_ref_get_many+0x240/0x240
[  365.238942]  ? print_usage_bug+0xc0/0xc0
[  365.243013]  ? zap_class+0x640/0x640
[  365.246750]  ? print_usage_bug+0xc0/0xc0
[  365.250815]  ? zap_class+0x640/0x640
[  365.254539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.260088]  ? find_held_lock+0x36/0x1c0
[  365.264170]  ? mark_held_locks+0xc7/0x130
[  365.268336]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.273442]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.278565]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.283155]  ? trace_hardirqs_on+0xbd/0x310
[  365.287482]  ? kasan_check_read+0x11/0x20
[  365.291635]  ? ___ratelimit+0x3b4/0x672
[  365.295620]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.300728]  ? trace_hardirqs_on+0x310/0x310
[  365.305143]  ? lock_downgrade+0x900/0x900
[  365.309302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.314411]  ? ___ratelimit+0x3b9/0x672
[  365.318390]  ? idr_get_free+0xf70/0xf70
[  365.322365]  ? find_held_lock+0x36/0x1c0
[  365.326442]  oom_kill_process.cold.27+0x10/0x903
[  365.331204]  ? zap_class+0x640/0x640
[  365.334922]  ? check_preemption_disabled+0x48/0x280
[  365.339967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.344900]  ? kasan_check_read+0x11/0x20
[  365.349052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.354336]  ? oom_evaluate_task+0x540/0x540
[  365.358750]  ? find_held_lock+0x36/0x1c0
[  365.362820]  ? out_of_memory+0x974/0x1430
[  365.366977]  ? lock_downgrade+0x900/0x900
[  365.371126]  ? check_preemption_disabled+0x48/0x280
[  365.376157]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.381090]  ? kasan_check_read+0x11/0x20
[  365.385242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.390526]  ? rcu_softirq_qs+0x20/0x20
[  365.394507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.400048]  ? oom_evaluate_task+0x302/0x540
[  365.404468]  out_of_memory+0xa84/0x1430
[  365.408453]  ? oom_killer_disable+0x3a0/0x3a0
[  365.412951]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  365.417886]  ? __ww_mutex_check_waiters+0x160/0x160
[  365.422922]  __alloc_pages_slowpath+0x2354/0x2e10
[  365.427802]  ? warn_alloc+0x120/0x120
[  365.431603]  ? mark_held_locks+0x130/0x130
[  365.435856]  ? find_get_entry+0xaae/0x1120
[  365.440105]  ? filemap_map_pages+0x1a20/0x1a20
[  365.444699]  ? zap_class+0x640/0x640
[  365.448426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.453964]  ? check_preemption_disabled+0x48/0x280
[  365.458985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.464527]  ? should_fail+0x22d/0xd01
[  365.468422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.473530]  ? zap_class+0x640/0x640
[  365.477277]  ? __lock_is_held+0xb5/0x140
[  365.481354]  ? mark_held_locks+0x130/0x130
[  365.485596]  ? lock_release+0xa00/0xa00
[  365.489582]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.495042]  ? xa_load+0x2ba/0x460
[  365.498590]  ? lock_downgrade+0x900/0x900
[  365.502751]  ? __might_sleep+0x95/0x190
[  365.506736]  __alloc_pages_nodemask+0xa80/0xde0
[  365.511428]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.516447]  ? __page_cache_alloc+0x191/0x5c0
[  365.520939]  ? xa_load+0x2e1/0x460
[  365.524479]  ? xa_clear_mark+0x40/0x40
[  365.528372]  ? zap_class+0x640/0x640
[  365.532109]  ? zap_class+0x640/0x640
[  365.535842]  ? zap_class+0x640/0x640
[  365.539561]  ? __do_page_cache_readahead+0x663/0x810
[  365.544675]  ? find_held_lock+0x36/0x1c0
[  365.548743]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  365.554289]  alloc_pages_current+0x173/0x350
[  365.558710]  __page_cache_alloc+0x38c/0x5c0
[  365.563037]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.567970]  ? kasan_check_read+0x11/0x20
[  365.572128]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.577416]  ? generic_perform_write+0x6a0/0x6a0
[  365.582176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.587719]  ? check_preemption_disabled+0x48/0x280
[  365.592768]  filemap_fault+0x1595/0x25f0
[  365.596847]  ? __lock_page_or_retry+0xa00/0xa00
[  365.601523]  ? mark_held_locks+0x130/0x130
[  365.605769]  ? filemap_map_pages+0xd6b/0x1a20
[  365.610269]  ? lock_downgrade+0x900/0x900
[  365.614423]  ? check_preemption_disabled+0x48/0x280
[  365.619447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.624376]  ? kasan_check_read+0x11/0x20
[  365.628523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.633813]  ? rcu_softirq_qs+0x20/0x20
[  365.637807]  ? filemap_map_pages+0xd92/0x1a20
[  365.642321]  ? find_get_entries_tag+0x1400/0x1400
[  365.647168]  ? debug_object_destroy+0x2b0/0x2b0
[  365.651840]  ? lock_pi_update_atomic+0x150/0x150
[  365.656609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.662168]  ? lock_acquire+0x1ed/0x520
[  365.666143]  ? ext4_filemap_fault+0x7a/0xad
[  365.670477]  ? lock_release+0xa00/0xa00
[  365.674541]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.679998]  ? print_usage_bug+0xc0/0xc0
[  365.684070]  ? print_usage_bug+0xc0/0xc0
[  365.688148]  ? down_read+0x8d/0x120
[  365.691781]  ? ext4_filemap_fault+0x7a/0xad
[  365.696107]  ? __down_interruptible+0x700/0x700
[  365.700793]  ext4_filemap_fault+0x82/0xad
[  365.704984]  __do_fault+0x100/0x6b0
[  365.708629]  ? pmd_devmap_trans_unstable+0x220/0x220
[  365.713757]  ? mark_held_locks+0x130/0x130
[  365.718001]  ? mark_held_locks+0x130/0x130
[  365.722242]  ? debug_smp_processor_id+0x1c/0x20
[  365.726928]  ? perf_trace_lock+0x14d/0x7a0
[  365.731173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.736721]  __handle_mm_fault+0x3ea6/0x5be0
[  365.741150]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  365.746001]  ? lock_is_held_type+0x210/0x210
[  365.750416]  ? ksys_dup3+0x680/0x680
[  365.754150]  ? zap_class+0x640/0x640
[  365.757887]  ? zap_class+0x640/0x640
[  365.761605]  ? __x64_sys_futex+0x53e/0x6a0
[  365.765858]  ? find_held_lock+0x36/0x1c0
[  365.769951]  ? handle_mm_fault+0x42a/0xc70
[  365.774191]  ? lock_downgrade+0x900/0x900
[  365.778341]  ? check_preemption_disabled+0x48/0x280
[  365.783365]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.788297]  ? kasan_check_read+0x11/0x20
[  365.792446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.797725]  ? rcu_softirq_qs+0x20/0x20
[  365.801704]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.806810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.812353]  ? check_preemption_disabled+0x48/0x280
[  365.817382]  handle_mm_fault+0x54f/0xc70
[  365.821450]  ? __handle_mm_fault+0x5be0/0x5be0
[  365.826041]  ? find_vma+0x34/0x190
[  365.829590]  __do_page_fault+0x5e8/0xe60
[  365.833656]  ? trace_hardirqs_off+0xb8/0x310
[  365.838079]  do_page_fault+0xf2/0x7e0
[  365.841887]  ? vmalloc_sync_all+0x30/0x30
[  365.846043]  ? error_entry+0x70/0xd0
[  365.849761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.854780]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.859715]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.864649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.869501]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.874522]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.879996]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.885023]  ? page_fault+0x8/0x30
[  365.888572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.893422]  ? page_fault+0x8/0x30
[  365.896989]  page_fault+0x1e/0x30
[  365.900447] RIP: 0033:0x40f9c0
[  365.903660] Code: Bad RIP value.
[  365.907023] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  365.912385] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  365.919656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  365.926923] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  365.934192] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  365.941461] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  365.948759] warn_alloc_show_mem: 1 callbacks suppressed
[  365.948770] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  365.948772] Mem-Info:
[  365.948805] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  365.948805]  active_file:15 inactive_file:12 isolated_file:0
[  365.948805]  unevictable:0 dirty:0 writeback:0 unstable:0
[  365.948805]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  365.948805]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  365.948805]  free:13790 free_pcp:473 free_cma:0
[  365.954153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.960568] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  365.962983] Call Trace:
[  365.996028] 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
[  366.005412]  dump_stack+0x244/0x39d
[  366.033078] lowmem_reserve[]: 0 2818 6321 6321
[  366.035678]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.061765] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  366.065402]  warn_alloc.cold.116+0xb7/0x1bd
[  366.069967] lowmem_reserve[]: 0 0 3503 3503
[  366.075158]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.102644] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  366.106962]  ? lock_downgrade+0x900/0x900
[  366.111262] lowmem_reserve[]: 0 0 0 0
[  366.116111]  ? trace_hardirqs_off+0xb8/0x310
[  366.145242] 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
[  366.149396]  ? trace_hardirqs_off+0xb8/0x310
[  366.153173] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  366.157586]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.171097] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  366.175552]  ? warn_alloc+0x120/0x120
[  366.190857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.195691]  ? warn_alloc+0x120/0x120
[  366.211021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.214813]  ? warn_alloc+0x120/0x120
[  366.223646] 2571 total pagecache pages
[  366.227456]  ? print_usage_bug+0xc0/0xc0
[  366.236033] 0 pages in swap cache
[  366.239837]  ? print_usage_bug+0xc0/0xc0
[  366.243707] Swap cache stats: add 0, delete 0, find 0/0
[  366.247758]  ? mark_held_locks+0x130/0x130
[  366.251189] Free swap  = 0kB
[  366.255248]  ? mark_held_locks+0x130/0x130
[  366.260594] Total swap = 0kB
[  366.264831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.267840] 1965979 pages RAM
[  366.272077]  ? should_fail+0x22d/0xd01
[  366.275076] 0 pages HighMem/MovableOnly
[  366.280629]  ? zap_class+0x640/0x640
[  366.280649]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.283733] 342855 pages reserved
[  366.283743] 0 pages cma reserved
[  366.287637]  ? __lock_acquire+0x62f/0x4c20
[  366.291668] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.295336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.295350]  ? __lock_acquire+0x62f/0x4c20
[  366.295367]  ? should_fail+0x22d/0xd01
[  366.300511] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.303915]  ? mark_held_locks+0x130/0x130
[  366.307258] syz-fuzzer cpuset=/ mems_allowed=0
[  366.311490]  ? mark_held_locks+0x130/0x130
[  366.354882]  ? lock_downgrade+0x900/0x900
[  366.359036]  ? zap_class+0x640/0x640
[  366.362752]  ? zap_class+0x640/0x640
[  366.366494]  ? zap_class+0x640/0x640
[  366.370211]  ? do_raw_spin_unlock+0xa7/0x330
[  366.374628]  ? trace_hardirqs_on+0x310/0x310
[  366.379041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.384597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.390881]  ? check_preemption_disabled+0x48/0x280
[  366.395913]  ? __lock_is_held+0xb5/0x140
[  366.400013]  __alloc_pages_nodemask+0xa80/0xde0
[  366.404699]  ? zap_class+0x640/0x640
[  366.408419]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.413449]  ? find_held_lock+0x36/0x1c0
[  366.417536]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.422208]  ? lock_downgrade+0x900/0x900
[  366.426371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.431927]  cache_grow_begin+0xa5/0x8c0
[  366.436162]  ? do_raw_spin_unlock+0xa7/0x330
[  366.440585]  fallback_alloc+0x204/0x2e0
[  366.444568]  ____cache_alloc_node+0x1c7/0x1e0
[  366.449097]  kmem_cache_alloc_node+0xe3/0x730
[  366.453603]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.458201]  __alloc_skb+0x119/0x770
[  366.461930]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  366.467304]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.471725]  ? vprintk_default+0x28/0x30
[  366.475788]  ? vprintk_func+0x85/0x181
[  366.479679]  ? printk+0xa7/0xcf
[  366.482959]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  366.487754]  new_skb+0x26/0x1c0
[  366.491034]  aoecmd_cfg+0x279/0x7f0
[  366.494683]  ? find_held_lock+0x36/0x1c0
[  366.498744]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  366.503073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.508626]  ? __lock_is_held+0xb5/0x140
[  366.512701]  discover_timer+0x50/0x60
[  366.516503]  call_timer_fn+0x272/0x920
[  366.520396]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.525246]  ? process_timeout+0x40/0x40
[  366.529320]  ? __run_timers+0x7da/0xc70
[  366.533301]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.537801]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.542297]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.547159]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.551757]  ? trace_hardirqs_on+0xbd/0x310
[  366.556100]  ? kasan_check_read+0x11/0x20
[  366.560255]  ? __run_timers+0x7da/0xc70
[  366.564234]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.569373]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.574220]  __run_timers+0x7e5/0xc70
[  366.578049]  ? timer_fixup_init+0x70/0x70
[  366.582218]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.586731]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.591232]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.595819]  ? trace_hardirqs_on+0xbd/0x310
[  366.600142]  ? kasan_check_read+0x11/0x20
[  366.604295]  ? finish_task_switch+0x1f4/0x910
[  366.608809]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.613924]  ? compat_start_thread+0x80/0x80
[  366.618358]  ? pvclock_read_flags+0x160/0x160
[  366.622852]  ? __switch_to_asm+0x34/0x70
[  366.626920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.632474]  ? check_preemption_disabled+0x48/0x280
[  366.637507]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  366.643051]  ? rcu_pm_notify+0xc0/0xc0
[  366.646941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.652479]  ? check_preemption_disabled+0x48/0x280
[  366.657505]  run_timer_softirq+0x52/0xb0
[  366.661591]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.666610]  __do_softirq+0x308/0xb7e
[  366.670421]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.675360]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.680473]  ? schedule+0x108/0x460
[  366.684118]  ? trace_hardirqs_off+0xb8/0x310
[  366.688552]  ? smpboot_thread_fn+0x68b/0xa00
[  366.692965]  ? trace_hardirqs_on+0x310/0x310
[  366.697388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.702941]  ? check_preemption_disabled+0x48/0x280
[  366.707961]  ? takeover_tasklets+0xa90/0xa90
[  366.712372]  run_ksoftirqd+0x5e/0x100
[  366.716176]  smpboot_thread_fn+0x68b/0xa00
[  366.720417]  ? sort_range+0x30/0x30
[  366.724050]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  366.729154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.734693]  ? __kthread_parkme+0xfb/0x1a0
[  366.738945]  ? sort_range+0x30/0x30
[  366.742589]  kthread+0x35a/0x440
[  366.745963]  ? kthread_stop+0x900/0x900
[  366.749946]  ret_from_fork+0x3a/0x50
[  366.753683] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  366.753770] aoe: skb alloc failure
[  366.760277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.760283] Call Trace:
[  366.760290]  <IRQ>
[  366.760308]  dump_stack+0x244/0x39d
[  366.760327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.763876] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.773216]  warn_alloc.cold.116+0xb7/0x1bd
[  366.775770] ksoftirqd/0 cpuset=/ mems_allowed=0
[  366.777933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.810821]  ? lock_downgrade+0x900/0x900
[  366.814981]  ? trace_hardirqs_off+0xb8/0x310
[  366.819413]  ? trace_hardirqs_off+0xb8/0x310
[  366.823836]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.828713]  ? warn_alloc+0x120/0x120
[  366.832519]  ? print_usage_bug+0xc0/0xc0
[  366.836595]  ? warn_alloc+0x120/0x120
[  366.840407]  ? warn_alloc+0x120/0x120
[  366.844216]  ? print_usage_bug+0xc0/0xc0
[  366.848291]  ? print_usage_bug+0xc0/0xc0
[  366.852359]  ? __lock_acquire+0x62f/0x4c20
[  366.856603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.862151]  ? should_fail+0x22d/0xd01
[  366.866047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.871154]  ? __lock_acquire+0x62f/0x4c20
[  366.875399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.880501]  ? __lock_acquire+0x62f/0x4c20
[  366.884737]  ? should_fail+0x22d/0xd01
[  366.888631]  ? find_held_lock+0x36/0x1c0
[  366.892730]  ? mark_held_locks+0x130/0x130
[  366.897003]  ? mark_held_locks+0x130/0x130
[  366.901240]  ? zap_class+0x640/0x640
[  366.904955]  ? zap_class+0x640/0x640
[  366.908689]  ? print_usage_bug+0xc0/0xc0
[  366.912764]  ? do_raw_spin_unlock+0xa7/0x330
[  366.917177]  ? zap_class+0x640/0x640
[  366.920893]  ? print_usage_bug+0xc0/0xc0
[  366.924970]  ? wq_watchdog_touch+0x9c/0xfe
[  366.929235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.934775]  ? check_preemption_disabled+0x48/0x280
[  366.939806]  ? __lock_is_held+0xb5/0x140
[  366.943880]  __alloc_pages_nodemask+0xa80/0xde0
[  366.948564]  ? zap_class+0x640/0x640
[  366.952297]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.957329]  ? find_held_lock+0x36/0x1c0
[  366.961407]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.966079]  ? lock_downgrade+0x900/0x900
[  366.970245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.975789]  cache_grow_begin+0xa5/0x8c0
[  366.979852]  ? do_raw_spin_unlock+0xa7/0x330
[  366.984272]  fallback_alloc+0x204/0x2e0
[  366.988257]  ____cache_alloc_node+0x1c7/0x1e0
[  366.992762]  kmem_cache_alloc_node+0xe3/0x730
[  366.997261]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.001510]  __alloc_skb+0x119/0x770
[  367.005243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.010531]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.014946]  ? lock_downgrade+0x900/0x900
[  367.019118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.024662]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.030149]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.035620]  ? addrconf_rs_timer+0x690/0x690
[  367.040044]  ndisc_alloc_skb+0x144/0x340
[  367.044119]  ndisc_send_rs+0x331/0x6e0
[  367.048021]  addrconf_rs_timer+0x314/0x690
[  367.052273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.056522]  call_timer_fn+0x272/0x920
[  367.060411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.064669]  ? process_timeout+0x40/0x40
[  367.068741]  ? mark_held_locks+0xc7/0x130
[  367.072905]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.077414]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.081927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.086169]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.090770]  ? trace_hardirqs_on+0xbd/0x310
[  367.095094]  ? kasan_check_read+0x11/0x20
[  367.099250]  ? __run_timers+0x7da/0xc70
[  367.103233]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.108351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.112625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.116863]  __run_timers+0x7e5/0xc70
[  367.120680]  ? timer_fixup_init+0x70/0x70
[  367.124850]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.129868]  ? zap_class+0x640/0x640
[  367.133592]  ? print_usage_bug+0xc0/0xc0
[  367.137665]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.142865]  ? find_held_lock+0x36/0x1c0
[  367.146936]  ? zap_class+0x640/0x640
[  367.150672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.156216]  ? check_preemption_disabled+0x48/0x280
[  367.161253]  ? __lock_is_held+0xb5/0x140
[  367.165318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.170856]  ? check_preemption_disabled+0x48/0x280
[  367.175880]  run_timer_softirq+0x52/0xb0
[  367.179972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.184990]  __do_softirq+0x308/0xb7e
[  367.188799]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.193296]  ? lock_downgrade+0x900/0x900
[  367.197455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.202569]  ? pvclock_read_flags+0x160/0x160
[  367.207073]  ? lapic_next_event+0x5a/0x90
[  367.211237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.216784]  ? kvm_clock_read+0x18/0x30
[  367.220762]  ? kvm_sched_clock_read+0x9/0x20
[  367.225175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.230714]  ? check_preemption_disabled+0x48/0x280
[  367.235755]  irq_exit+0x17f/0x1c0
[  367.239212]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.244058]  ? smp_reschedule_interrupt+0x109/0x650
[  367.249077]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.254973]  ? interrupt_entry+0xb5/0xc0
[  367.259040]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.264060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.269081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.273933]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.278967]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.283989]  ? task_prio+0x50/0x50
[  367.287536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.293075]  ? check_preemption_disabled+0x48/0x280
[  367.298099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.302966]  apic_timer_interrupt+0xf/0x20
[  367.307228]  </IRQ>
[  367.309470] RIP: 0010:console_unlock+0x102f/0x1190
[  367.314417] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  367.333331] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  367.341040] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  367.348309] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  367.355576] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  367.362845] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  367.370118] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  367.377401]  ? netconsole_netdev_event+0x280/0x280
[  367.382341]  ? console_unlock+0x1026/0x1190
[  367.386688]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  367.391358]  ? vprintk_emit+0x846/0x990
[  367.395342]  ? lock_release+0xa00/0xa00
[  367.399321]  ? trace_hardirqs_on+0x20/0x310
[  367.403661]  ? vprintk_default+0x28/0x30
[  367.407740]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.412863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.418439]  vprintk_emit+0x391/0x990
[  367.422251]  ? wake_up_klogd+0x180/0x180
[  367.426326]  ? match_held_lock+0x8c1/0x8d0
[  367.430575]  ? mark_held_locks+0xc7/0x130
[  367.434733]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.439232]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.443735]  vprintk_default+0x28/0x30
[  367.447652]  vprintk_func+0x7e/0x181
[  367.451392]  printk+0xa7/0xcf
[  367.454501]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  367.459262]  ? _raw_spin_unlock_irq+0x60/0x80
[  367.463775]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  367.469086]  dump_header+0x7cc/0xf72
[  367.472821]  ? pagefault_out_of_memory+0x197/0x197
[  367.477761]  ? __lock_acquire+0x62f/0x4c20
[  367.482002]  ? percpu_ref_get_many+0x240/0x240
[  367.486607]  ? print_usage_bug+0xc0/0xc0
[  367.490684]  ? zap_class+0x640/0x640
[  367.494404]  ? print_usage_bug+0xc0/0xc0
[  367.498473]  ? zap_class+0x640/0x640
[  367.502196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.507752]  ? find_held_lock+0x36/0x1c0
[  367.511826]  ? mark_held_locks+0xc7/0x130
[  367.515982]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  367.521091]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  367.526210]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.531233]  ? trace_hardirqs_on+0xbd/0x310
[  367.535556]  ? kasan_check_read+0x11/0x20
[  367.539733]  ? ___ratelimit+0x3b4/0x672
[  367.543733]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.548842]  ? trace_hardirqs_on+0x310/0x310
[  367.553257]  ? lock_downgrade+0x900/0x900
[  367.557419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.562524]  ? ___ratelimit+0x3b9/0x672
[  367.566515]  ? idr_get_free+0xf70/0xf70
[  367.570493]  ? find_held_lock+0x36/0x1c0
[  367.574570]  oom_kill_process.cold.27+0x10/0x903
[  367.579331]  ? zap_class+0x640/0x640
[  367.583049]  ? check_preemption_disabled+0x48/0x280
[  367.588096]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.593034]  ? kasan_check_read+0x11/0x20
[  367.597192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.602476]  ? oom_evaluate_task+0x540/0x540
[  367.606893]  ? find_held_lock+0x36/0x1c0
[  367.610983]  ? out_of_memory+0x974/0x1430
[  367.615150]  ? lock_downgrade+0x900/0x900
[  367.619331]  ? check_preemption_disabled+0x48/0x280
[  367.624354]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.629284]  ? kasan_check_read+0x11/0x20
[  367.633433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.638711]  ? rcu_softirq_qs+0x20/0x20
[  367.642742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.648279]  ? oom_evaluate_task+0x302/0x540
[  367.652714]  out_of_memory+0xa84/0x1430
[  367.656696]  ? oom_killer_disable+0x3a0/0x3a0
[  367.661212]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  367.666152]  ? __ww_mutex_check_waiters+0x160/0x160
[  367.671187]  __alloc_pages_slowpath+0x2354/0x2e10
[  367.676067]  ? warn_alloc+0x120/0x120
[  367.679883]  ? mark_held_locks+0x130/0x130
[  367.684133]  ? find_get_entry+0xaae/0x1120
[  367.688385]  ? filemap_map_pages+0x1a20/0x1a20
[  367.692974]  ? zap_class+0x640/0x640
[  367.696696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.702240]  ? check_preemption_disabled+0x48/0x280
[  367.707259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.712811]  ? should_fail+0x22d/0xd01
[  367.716719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.721851]  ? zap_class+0x640/0x640
[  367.725598]  ? __lock_is_held+0xb5/0x140
[  367.729690]  ? mark_held_locks+0x130/0x130
[  367.733931]  ? lock_release+0xa00/0xa00
[  367.737908]  ? perf_trace_sched_process_exec+0x860/0x860
[  367.743365]  ? xa_load+0x2ba/0x460
[  367.746910]  ? lock_downgrade+0x900/0x900
[  367.751097]  ? __might_sleep+0x95/0x190
[  367.755092]  __alloc_pages_nodemask+0xa80/0xde0
[  367.759780]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.764798]  ? __page_cache_alloc+0x191/0x5c0
[  367.769305]  ? xa_load+0x2e1/0x460
[  367.772861]  ? xa_clear_mark+0x40/0x40
[  367.776770]  ? zap_class+0x640/0x640
[  367.780495]  ? zap_class+0x640/0x640
[  367.784214]  ? zap_class+0x640/0x640
[  367.787933]  ? __do_page_cache_readahead+0x663/0x810
[  367.793048]  ? find_held_lock+0x36/0x1c0
[  367.797123]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  367.802772]  alloc_pages_current+0x173/0x350
[  367.807205]  __page_cache_alloc+0x38c/0x5c0
[  367.811526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.816458]  ? kasan_check_read+0x11/0x20
[  367.820623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.825902]  ? generic_perform_write+0x6a0/0x6a0
[  367.830664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.836205]  ? check_preemption_disabled+0x48/0x280
[  367.841233]  filemap_fault+0x1595/0x25f0
[  367.845310]  ? __lock_page_or_retry+0xa00/0xa00
[  367.850001]  ? mark_held_locks+0x130/0x130
[  367.854251]  ? filemap_map_pages+0xd6b/0x1a20
[  367.858759]  ? lock_downgrade+0x900/0x900
[  367.862910]  ? check_preemption_disabled+0x48/0x280
[  367.867943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.872878]  ? kasan_check_read+0x11/0x20
[  367.877031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.882315]  ? rcu_softirq_qs+0x20/0x20
[  367.886313]  ? filemap_map_pages+0xd92/0x1a20
[  367.890824]  ? find_get_entries_tag+0x1400/0x1400
[  367.895671]  ? debug_object_destroy+0x2b0/0x2b0
[  367.900342]  ? lock_pi_update_atomic+0x150/0x150
[  367.905109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.910668]  ? lock_acquire+0x1ed/0x520
[  367.914648]  ? ext4_filemap_fault+0x7a/0xad
[  367.918979]  ? lock_release+0xa00/0xa00
[  367.922955]  ? perf_trace_sched_process_exec+0x860/0x860
[  367.928415]  ? print_usage_bug+0xc0/0xc0
[  367.932480]  ? print_usage_bug+0xc0/0xc0
[  367.936558]  ? down_read+0x8d/0x120
[  367.940198]  ? ext4_filemap_fault+0x7a/0xad
[  367.944526]  ? __down_interruptible+0x700/0x700
[  367.949208]  ext4_filemap_fault+0x82/0xad
[  367.953398]  __do_fault+0x100/0x6b0
[  367.957044]  ? pmd_devmap_trans_unstable+0x220/0x220
[  367.962155]  ? mark_held_locks+0x130/0x130
[  367.966400]  ? mark_held_locks+0x130/0x130
[  367.970658]  ? debug_smp_processor_id+0x1c/0x20
[  367.975330]  ? perf_trace_lock+0x14d/0x7a0
[  367.979590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.985146]  __handle_mm_fault+0x3ea6/0x5be0
[  367.989569]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  367.994416]  ? lock_is_held_type+0x210/0x210
[  367.998834]  ? ksys_dup3+0x680/0x680
[  368.002563]  ? zap_class+0x640/0x640
[  368.006278]  ? zap_class+0x640/0x640
[  368.009995]  ? __x64_sys_futex+0x53e/0x6a0
[  368.014237]  ? find_held_lock+0x36/0x1c0
[  368.018313]  ? handle_mm_fault+0x42a/0xc70
[  368.022553]  ? lock_downgrade+0x900/0x900
[  368.026702]  ? check_preemption_disabled+0x48/0x280
[  368.031724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.036679]  ? kasan_check_read+0x11/0x20
[  368.040830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.046136]  ? rcu_softirq_qs+0x20/0x20
[  368.050120]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.055241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.060781]  ? check_preemption_disabled+0x48/0x280
[  368.065813]  handle_mm_fault+0x54f/0xc70
[  368.069881]  ? __handle_mm_fault+0x5be0/0x5be0
[  368.074497]  ? find_vma+0x34/0x190
[  368.078060]  __do_page_fault+0x5e8/0xe60
[  368.082129]  ? trace_hardirqs_off+0xb8/0x310
[  368.086553]  do_page_fault+0xf2/0x7e0
[  368.090363]  ? vmalloc_sync_all+0x30/0x30
[  368.094515]  ? error_entry+0x70/0xd0
[  368.098235]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.103257]  ? trace_hardirqs_on_caller+0xc0/0x310
[  368.108189]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.113140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.118025]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.123053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.128544]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.133561]  ? page_fault+0x8/0x30
[  368.137118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.141972]  ? page_fault+0x8/0x30
[  368.145515]  page_fault+0x1e/0x30
[  368.148971] RIP: 0033:0x40f9c0
[  368.152178] Code: Bad RIP value.
[  368.155544] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  368.160906] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  368.168194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  368.175461] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  368.182765] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  368.190048] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  368.197339] warn_alloc_show_mem: 1 callbacks suppressed
[  368.197351] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  368.197353] Mem-Info:
[  368.197384] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  368.197384]  active_file:15 inactive_file:12 isolated_file:0
[  368.197384]  unevictable:0 dirty:0 writeback:0 unstable:0
[  368.197384]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  368.197384]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  368.197384]  free:13790 free_pcp:473 free_cma:0
[  368.202733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.209151] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  368.211556] Call Trace:
[  368.244597] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  368.253956]  dump_stack+0x244/0x39d
[  368.281656] lowmem_reserve[]: 0 2818 6321 6321
[  368.284258]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.310336] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  368.313985]  warn_alloc.cold.116+0xb7/0x1bd
[  368.318532] lowmem_reserve[]: 0 0 3503 3503
[  368.323720]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.351376] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  368.355706]  ? lock_downgrade+0x900/0x900
[  368.360001] lowmem_reserve[]: 0 0 0 0
[  368.364849]  ? trace_hardirqs_off+0xb8/0x310
[  368.393973] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  368.398140]  ? trace_hardirqs_off+0xb8/0x310
[  368.401908] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  368.406323]  __alloc_pages_slowpath+0x26e8/0x2e10
[  368.419818] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  368.424257]  ? warn_alloc+0x120/0x120
[  368.440046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  368.444892]  ? warn_alloc+0x120/0x120
[  368.460223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  368.464020]  ? warn_alloc+0x120/0x120
[  368.472833] 2571 total pagecache pages
[  368.476638]  ? print_usage_bug+0xc0/0xc0
[  368.485209] 0 pages in swap cache
[  368.489000]  ? print_usage_bug+0xc0/0xc0
[  368.492869] Swap cache stats: add 0, delete 0, find 0/0
[  368.496924]  ? mark_held_locks+0x130/0x130
[  368.500359] Free swap  = 0kB
[  368.504420]  ? mark_held_locks+0x130/0x130
[  368.509763] Total swap = 0kB
[  368.513993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.516993] 1965979 pages RAM
[  368.521225]  ? should_fail+0x22d/0xd01
[  368.524225] 0 pages HighMem/MovableOnly
[  368.529761]  ? zap_class+0x640/0x640
[  368.532862] 342855 pages reserved
[  368.536749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.540701] 0 pages cma reserved
[  368.544412]  ? __lock_acquire+0x62f/0x4c20
[  368.547927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.552969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.556401] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.560549]  ? __lock_acquire+0x62f/0x4c20
[  368.567036] syz-fuzzer cpuset=/ mems_allowed=0
[  368.572139]  ? should_fail+0x22d/0xd01
[  368.595049]  ? mark_held_locks+0x130/0x130
[  368.599311]  ? mark_held_locks+0x130/0x130
[  368.603559]  ? lock_downgrade+0x900/0x900
[  368.607728]  ? zap_class+0x640/0x640
[  368.611450]  ? zap_class+0x640/0x640
[  368.615170]  ? zap_class+0x640/0x640
[  368.618886]  ? do_raw_spin_unlock+0xa7/0x330
[  368.623298]  ? trace_hardirqs_on+0x310/0x310
[  368.627711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.633252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.638794]  ? check_preemption_disabled+0x48/0x280
[  368.643826]  ? __lock_is_held+0xb5/0x140
[  368.647900]  __alloc_pages_nodemask+0xa80/0xde0
[  368.652583]  ? zap_class+0x640/0x640
[  368.656303]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.661338]  ? find_held_lock+0x36/0x1c0
[  368.665412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.670097]  ? lock_downgrade+0x900/0x900
[  368.674266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.679809]  cache_grow_begin+0xa5/0x8c0
[  368.683871]  ? do_raw_spin_unlock+0xa7/0x330
[  368.688291]  fallback_alloc+0x204/0x2e0
[  368.692298]  ____cache_alloc_node+0x1c7/0x1e0
[  368.696822]  kmem_cache_alloc_node+0xe3/0x730
[  368.701336]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.705934]  __alloc_skb+0x119/0x770
[  368.709647]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  368.715019]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.719438]  ? vprintk_default+0x28/0x30
[  368.723505]  ? vprintk_func+0x85/0x181
[  368.727400]  ? printk+0xa7/0xcf
[  368.730685]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  368.735456]  new_skb+0x26/0x1c0
[  368.738739]  aoecmd_cfg+0x279/0x7f0
[  368.742414]  ? find_held_lock+0x36/0x1c0
[  368.746483]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  368.750825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.756378]  ? __lock_is_held+0xb5/0x140
[  368.760455]  discover_timer+0x50/0x60
[  368.764258]  call_timer_fn+0x272/0x920
[  368.768150]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  368.773014]  ? process_timeout+0x40/0x40
[  368.777109]  ? __run_timers+0x7da/0xc70
[  368.781103]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.785613]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.790111]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  368.794962]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.799549]  ? trace_hardirqs_on+0xbd/0x310
[  368.803887]  ? kasan_check_read+0x11/0x20
[  368.808075]  ? __run_timers+0x7da/0xc70
[  368.812069]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.817192]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  368.822033]  __run_timers+0x7e5/0xc70
[  368.825851]  ? timer_fixup_init+0x70/0x70
[  368.830006]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.834507]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.839008]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.843598]  ? trace_hardirqs_on+0xbd/0x310
[  368.847923]  ? kasan_check_read+0x11/0x20
[  368.852078]  ? finish_task_switch+0x1f4/0x910
[  368.856581]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.861714]  ? compat_start_thread+0x80/0x80
[  368.866155]  ? pvclock_read_flags+0x160/0x160
[  368.870655]  ? __switch_to_asm+0x34/0x70
[  368.874746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.880291]  ? check_preemption_disabled+0x48/0x280
[  368.885321]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  368.890863]  ? rcu_pm_notify+0xc0/0xc0
[  368.894756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.900299]  ? check_preemption_disabled+0x48/0x280
[  368.905325]  run_timer_softirq+0x52/0xb0
[  368.909389]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.914409]  __do_softirq+0x308/0xb7e
[  368.918220]  ? trace_hardirqs_on_caller+0xc0/0x310
[  368.923155]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.928272]  ? schedule+0x108/0x460
[  368.931913]  ? trace_hardirqs_off+0xb8/0x310
[  368.936322]  ? smpboot_thread_fn+0x68b/0xa00
[  368.940733]  ? trace_hardirqs_on+0x310/0x310
[  368.945149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.950691]  ? check_preemption_disabled+0x48/0x280
[  368.955711]  ? takeover_tasklets+0xa90/0xa90
[  368.960130]  run_ksoftirqd+0x5e/0x100
[  368.963937]  smpboot_thread_fn+0x68b/0xa00
[  368.968180]  ? sort_range+0x30/0x30
[  368.971810]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.976914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.982454]  ? __kthread_parkme+0xfb/0x1a0
[  368.986693]  ? sort_range+0x30/0x30
[  368.990327]  kthread+0x35a/0x440
[  368.993703]  ? kthread_stop+0x900/0x900
[  368.997685]  ret_from_fork+0x3a/0x50
[  369.001422] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  369.001493] aoe: skb alloc failure
[  369.008011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.008017] Call Trace:
[  369.008024]  <IRQ>
[  369.008042]  dump_stack+0x244/0x39d
[  369.008061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.011613] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.020958]  warn_alloc.cold.116+0xb7/0x1bd
[  369.023513] ksoftirqd/0 cpuset=/ mems_allowed=0
[  369.025663]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.058541]  ? lock_downgrade+0x900/0x900
[  369.062700]  ? trace_hardirqs_off+0xb8/0x310
[  369.067126]  ? trace_hardirqs_off+0xb8/0x310
[  369.071551]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.076432]  ? warn_alloc+0x120/0x120
[  369.080242]  ? print_usage_bug+0xc0/0xc0
[  369.084311]  ? warn_alloc+0x120/0x120
[  369.088127]  ? warn_alloc+0x120/0x120
[  369.091938]  ? print_usage_bug+0xc0/0xc0
[  369.096005]  ? kvm_clock_read+0x18/0x30
[  369.099996]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.105019]  ? print_usage_bug+0xc0/0xc0
[  369.109113]  ? __lock_acquire+0x62f/0x4c20
[  369.113379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.118922]  ? should_fail+0x22d/0xd01
[  369.122810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.128126]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.133234]  ? __lock_acquire+0x62f/0x4c20
[  369.137478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.142585]  ? __lock_acquire+0x62f/0x4c20
[  369.146824]  ? should_fail+0x22d/0xd01
[  369.150713]  ? rcu_irq_exit+0x1a2/0x390
[  369.154717]  ? mark_held_locks+0x130/0x130
[  369.158979]  ? mark_held_locks+0x130/0x130
[  369.163231]  ? mark_held_locks+0xc7/0x130
[  369.167382]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  369.172401]  ? zap_class+0x640/0x640
[  369.176127]  ? print_usage_bug+0xc0/0xc0
[  369.180201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.185749]  ? check_preemption_disabled+0x48/0x280
[  369.190781]  ? __lock_is_held+0xb5/0x140
[  369.194856]  __alloc_pages_nodemask+0xa80/0xde0
[  369.199528]  ? zap_class+0x640/0x640
[  369.203250]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.208283]  ? find_held_lock+0x36/0x1c0
[  369.212361]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.217039]  ? lock_downgrade+0x900/0x900
[  369.221205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.226751]  cache_grow_begin+0xa5/0x8c0
[  369.230935]  ? do_raw_spin_unlock+0xa7/0x330
[  369.235355]  fallback_alloc+0x204/0x2e0
[  369.239340]  ____cache_alloc_node+0x1c7/0x1e0
[  369.243845]  kmem_cache_alloc_node+0xe3/0x730
[  369.248345]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.252594]  __alloc_skb+0x119/0x770
[  369.256321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.261607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.266027]  ? lock_downgrade+0x900/0x900
[  369.270204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.275751]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.281219]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.286679]  ? addrconf_rs_timer+0x690/0x690
[  369.291114]  ndisc_alloc_skb+0x144/0x340
[  369.295192]  ndisc_send_rs+0x331/0x6e0
[  369.299094]  addrconf_rs_timer+0x314/0x690
[  369.303354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.307645]  call_timer_fn+0x272/0x920
[  369.311564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.315801]  ? process_timeout+0x40/0x40
[  369.319896]  ? mark_held_locks+0xc7/0x130
[  369.324058]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.328554]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.333050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.337294]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.341886]  ? trace_hardirqs_on+0xbd/0x310
[  369.346216]  ? kasan_check_read+0x11/0x20
[  369.350366]  ? __run_timers+0x7da/0xc70
[  369.354348]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.359458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.363697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.367930]  __run_timers+0x7e5/0xc70
[  369.371743]  ? timer_fixup_init+0x70/0x70
[  369.375900]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.380930]  ? zap_class+0x640/0x640
[  369.384655]  ? print_usage_bug+0xc0/0xc0
[  369.388721]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.393917]  ? find_held_lock+0x36/0x1c0
[  369.397987]  ? zap_class+0x640/0x640
[  369.401711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.407253]  ? check_preemption_disabled+0x48/0x280
[  369.412296]  ? __lock_is_held+0xb5/0x140
[  369.416398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.421944]  ? check_preemption_disabled+0x48/0x280
[  369.426970]  run_timer_softirq+0x52/0xb0
[  369.431033]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.436052]  __do_softirq+0x308/0xb7e
[  369.439893]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.444391]  ? lock_downgrade+0x900/0x900
[  369.448546]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.453664]  ? pvclock_read_flags+0x160/0x160
[  369.458169]  ? lapic_next_event+0x5a/0x90
[  369.462326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.467881]  ? kvm_clock_read+0x18/0x30
[  369.471858]  ? kvm_sched_clock_read+0x9/0x20
[  369.476283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.481826]  ? check_preemption_disabled+0x48/0x280
[  369.486854]  irq_exit+0x17f/0x1c0
[  369.490316]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.495183]  ? smp_reschedule_interrupt+0x109/0x650
[  369.500216]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.506117]  ? interrupt_entry+0xb5/0xc0
[  369.510185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.515204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.520229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.525075]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.530098]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.535113]  ? task_prio+0x50/0x50
[  369.538666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.544207]  ? check_preemption_disabled+0x48/0x280
[  369.549232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.554084]  apic_timer_interrupt+0xf/0x20
[  369.558315]  </IRQ>
[  369.560556] RIP: 0010:console_unlock+0x102f/0x1190
[  369.565490] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  369.584392] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  369.592106] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  369.599375] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  369.606647] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  369.613918] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  369.621185] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  369.628466]  ? netconsole_netdev_event+0x280/0x280
[  369.633405]  ? console_unlock+0x1026/0x1190
[  369.637750]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  369.642419]  ? vprintk_emit+0x846/0x990
[  369.646404]  ? lock_release+0xa00/0xa00
[  369.650382]  ? trace_hardirqs_on+0x20/0x310
[  369.654704]  ? vprintk_default+0x28/0x30
[  369.658768]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.663877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.669426]  vprintk_emit+0x391/0x990
[  369.673251]  ? wake_up_klogd+0x180/0x180
[  369.677326]  ? match_held_lock+0x8c1/0x8d0
[  369.681591]  ? mark_held_locks+0xc7/0x130
[  369.685748]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.690248]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.694757]  vprintk_default+0x28/0x30
[  369.698648]  vprintk_func+0x7e/0x181
[  369.702372]  printk+0xa7/0xcf
[  369.705481]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  369.710259]  ? _raw_spin_unlock_irq+0x60/0x80
[  369.714772]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  369.720061]  dump_header+0x7cc/0xf72
[  369.723813]  ? pagefault_out_of_memory+0x197/0x197
[  369.728754]  ? __lock_acquire+0x62f/0x4c20
[  369.732995]  ? percpu_ref_get_many+0x240/0x240
[  369.737582]  ? print_usage_bug+0xc0/0xc0
[  369.741656]  ? zap_class+0x640/0x640
[  369.745388]  ? print_usage_bug+0xc0/0xc0
[  369.749455]  ? zap_class+0x640/0x640
[  369.753178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.758723]  ? find_held_lock+0x36/0x1c0
[  369.762795]  ? mark_held_locks+0xc7/0x130
[  369.766964]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  369.772082]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  369.777187]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.781774]  ? trace_hardirqs_on+0xbd/0x310
[  369.786100]  ? kasan_check_read+0x11/0x20
[  369.790253]  ? ___ratelimit+0x3b4/0x672
[  369.794243]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.799353]  ? trace_hardirqs_on+0x310/0x310
[  369.803764]  ? lock_downgrade+0x900/0x900
[  369.807940]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  369.813048]  ? ___ratelimit+0x3b9/0x672
[  369.817027]  ? idr_get_free+0xf70/0xf70
[  369.821006]  ? find_held_lock+0x36/0x1c0
[  369.825078]  oom_kill_process.cold.27+0x10/0x903
[  369.829836]  ? zap_class+0x640/0x640
[  369.833572]  ? check_preemption_disabled+0x48/0x280
[  369.838623]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.843554]  ? kasan_check_read+0x11/0x20
[  369.847735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.853017]  ? oom_evaluate_task+0x540/0x540
[  369.857429]  ? find_held_lock+0x36/0x1c0
[  369.861503]  ? out_of_memory+0x974/0x1430
[  369.865658]  ? lock_downgrade+0x900/0x900
[  369.869810]  ? check_preemption_disabled+0x48/0x280
[  369.874833]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.879764]  ? kasan_check_read+0x11/0x20
[  369.883915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.889198]  ? rcu_softirq_qs+0x20/0x20
[  369.893202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.898738]  ? oom_evaluate_task+0x302/0x540
[  369.903157]  out_of_memory+0xa84/0x1430
[  369.907182]  ? oom_killer_disable+0x3a0/0x3a0
[  369.911682]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  369.916623]  ? __ww_mutex_check_waiters+0x160/0x160
[  369.921659]  __alloc_pages_slowpath+0x2354/0x2e10
[  369.926566]  ? warn_alloc+0x120/0x120
[  369.930375]  ? mark_held_locks+0x130/0x130
[  369.934634]  ? find_get_entry+0xaae/0x1120
[  369.938916]  ? filemap_map_pages+0x1a20/0x1a20
[  369.943503]  ? zap_class+0x640/0x640
[  369.947227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.952770]  ? check_preemption_disabled+0x48/0x280
[  369.957791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.963332]  ? should_fail+0x22d/0xd01
[  369.967232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.972343]  ? zap_class+0x640/0x640
[  369.976098]  ? __lock_is_held+0xb5/0x140
[  369.980173]  ? mark_held_locks+0x130/0x130
[  369.984415]  ? lock_release+0xa00/0xa00
[  369.988393]  ? perf_trace_sched_process_exec+0x860/0x860
[  369.993845]  ? xa_load+0x2ba/0x460
[  369.997393]  ? lock_downgrade+0x900/0x900
[  370.001550]  ? __might_sleep+0x95/0x190
[  370.005561]  __alloc_pages_nodemask+0xa80/0xde0
[  370.010238]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.015256]  ? __page_cache_alloc+0x191/0x5c0
[  370.019753]  ? xa_load+0x2e1/0x460
[  370.023311]  ? xa_clear_mark+0x40/0x40
[  370.027202]  ? zap_class+0x640/0x640
[  370.030927]  ? zap_class+0x640/0x640
[  370.034645]  ? zap_class+0x640/0x640
[  370.038362]  ? __do_page_cache_readahead+0x663/0x810
[  370.043470]  ? find_held_lock+0x36/0x1c0
[  370.047551]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  370.053096]  alloc_pages_current+0x173/0x350
[  370.057514]  __page_cache_alloc+0x38c/0x5c0
[  370.061834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.066763]  ? kasan_check_read+0x11/0x20
[  370.070916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.076211]  ? generic_perform_write+0x6a0/0x6a0
[  370.080970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.086510]  ? check_preemption_disabled+0x48/0x280
[  370.091536]  filemap_fault+0x1595/0x25f0
[  370.095618]  ? __lock_page_or_retry+0xa00/0xa00
[  370.100295]  ? mark_held_locks+0x130/0x130
[  370.104543]  ? filemap_map_pages+0xd6b/0x1a20
[  370.109042]  ? lock_downgrade+0x900/0x900
[  370.113192]  ? check_preemption_disabled+0x48/0x280
[  370.118216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.123151]  ? kasan_check_read+0x11/0x20
[  370.127301]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.132584]  ? rcu_softirq_qs+0x20/0x20
[  370.136580]  ? filemap_map_pages+0xd92/0x1a20
[  370.141117]  ? find_get_entries_tag+0x1400/0x1400
[  370.145968]  ? debug_object_destroy+0x2b0/0x2b0
[  370.150641]  ? lock_pi_update_atomic+0x150/0x150
[  370.155395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.160951]  ? lock_acquire+0x1ed/0x520
[  370.164924]  ? ext4_filemap_fault+0x7a/0xad
[  370.169266]  ? lock_release+0xa00/0xa00
[  370.173240]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.178695]  ? print_usage_bug+0xc0/0xc0
[  370.182758]  ? print_usage_bug+0xc0/0xc0
[  370.186834]  ? down_read+0x8d/0x120
[  370.190491]  ? ext4_filemap_fault+0x7a/0xad
[  370.194818]  ? __down_interruptible+0x700/0x700
[  370.199500]  ext4_filemap_fault+0x82/0xad
[  370.203653]  __do_fault+0x100/0x6b0
[  370.207288]  ? pmd_devmap_trans_unstable+0x220/0x220
[  370.212400]  ? mark_held_locks+0x130/0x130
[  370.216645]  ? mark_held_locks+0x130/0x130
[  370.220883]  ? debug_smp_processor_id+0x1c/0x20
[  370.225556]  ? perf_trace_lock+0x14d/0x7a0
[  370.229799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.235344]  __handle_mm_fault+0x3ea6/0x5be0
[  370.239767]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  370.244609]  ? lock_is_held_type+0x210/0x210
[  370.249044]  ? ksys_dup3+0x680/0x680
[  370.252778]  ? zap_class+0x640/0x640
[  370.256505]  ? zap_class+0x640/0x640
[  370.260219]  ? __x64_sys_futex+0x53e/0x6a0
[  370.264466]  ? find_held_lock+0x36/0x1c0
[  370.268542]  ? handle_mm_fault+0x42a/0xc70
[  370.272823]  ? lock_downgrade+0x900/0x900
[  370.276972]  ? check_preemption_disabled+0x48/0x280
[  370.281997]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.286929]  ? kasan_check_read+0x11/0x20
[  370.291078]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.296360]  ? rcu_softirq_qs+0x20/0x20
[  370.300338]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.305448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.310990]  ? check_preemption_disabled+0x48/0x280
[  370.316033]  handle_mm_fault+0x54f/0xc70
[  370.320100]  ? __handle_mm_fault+0x5be0/0x5be0
[  370.324694]  ? find_vma+0x34/0x190
[  370.328477]  __do_page_fault+0x5e8/0xe60
[  370.332541]  ? trace_hardirqs_off+0xb8/0x310
[  370.336969]  do_page_fault+0xf2/0x7e0
[  370.340794]  ? vmalloc_sync_all+0x30/0x30
[  370.344953]  ? error_entry+0x70/0xd0
[  370.348673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.353712]  ? trace_hardirqs_on_caller+0xc0/0x310
[  370.358668]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.363599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.368450]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.373468]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  370.378951]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.383992]  ? page_fault+0x8/0x30
[  370.387543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.392384]  ? page_fault+0x8/0x30
[  370.395929]  page_fault+0x1e/0x30
[  370.399385] RIP: 0033:0x40f9c0
[  370.402589] Code: Bad RIP value.
[  370.405956] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  370.411318] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  370.418586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  370.425861] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  370.433144] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  370.440904] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  370.448225] warn_alloc_show_mem: 1 callbacks suppressed
[  370.448236] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  370.448238] Mem-Info:
[  370.448270] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  370.448270]  active_file:15 inactive_file:12 isolated_file:0
[  370.448270]  unevictable:0 dirty:0 writeback:0 unstable:0
[  370.448270]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  370.448270]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  370.448270]  free:13790 free_pcp:473 free_cma:0
[  370.453610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.460028] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  370.462430] Call Trace:
[  370.495470] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  370.504830]  dump_stack+0x244/0x39d
[  370.532476] lowmem_reserve[]: 0 2818 6321 6321
[  370.535062]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.561153] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  370.564792]  warn_alloc.cold.116+0xb7/0x1bd
[  370.569341] lowmem_reserve[]: 0 0 3503 3503
[  370.574532]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.602010] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  370.606332]  ? lock_downgrade+0x900/0x900
[  370.610633] lowmem_reserve[]: 0 0 0 0
[  370.615480]  ? trace_hardirqs_off+0xb8/0x310
[  370.644609] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  370.648774]  ? trace_hardirqs_off+0xb8/0x310
[  370.652563] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  370.656972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.670491] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  370.674921]  ? warn_alloc+0x120/0x120
[  370.690256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  370.695090]  ? warn_alloc+0x120/0x120
[  370.710426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  370.714221]  ? warn_alloc+0x120/0x120
[  370.723036] 2571 total pagecache pages
[  370.726847]  ? print_usage_bug+0xc0/0xc0
[  370.735412] 0 pages in swap cache
[  370.739201]  ? print_usage_bug+0xc0/0xc0
[  370.743067] Swap cache stats: add 0, delete 0, find 0/0
[  370.743077] Free swap  = 0kB
[  370.747146]  ? mark_held_locks+0x130/0x130
[  370.750582] Total swap = 0kB
[  370.754642]  ? mark_held_locks+0x130/0x130
[  370.759984] 1965979 pages RAM
[  370.763003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.767217] 0 pages HighMem/MovableOnly
[  370.770231]  ? should_fail+0x22d/0xd01
[  370.774442] 342855 pages reserved
[  370.777547]  ? zap_class+0x640/0x640
[  370.783075] 0 pages cma reserved
[  370.787071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.790997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.794393]  ? __lock_acquire+0x62f/0x4c20
[  370.798185] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.801463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.806548] syz-fuzzer cpuset=/ mems_allowed=0
[  370.813037]  ? __lock_acquire+0x62f/0x4c20
[  370.841346]  ? should_fail+0x22d/0xd01
[  370.845251]  ? mark_held_locks+0x130/0x130
[  370.849518]  ? mark_held_locks+0x130/0x130
[  370.853757]  ? lock_downgrade+0x900/0x900
[  370.857910]  ? zap_class+0x640/0x640
[  370.861626]  ? zap_class+0x640/0x640
[  370.865347]  ? zap_class+0x640/0x640
[  370.869059]  ? do_raw_spin_unlock+0xa7/0x330
[  370.873476]  ? trace_hardirqs_on+0x310/0x310
[  370.877886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.883426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.888978]  ? check_preemption_disabled+0x48/0x280
[  370.894019]  ? __lock_is_held+0xb5/0x140
[  370.898101]  __alloc_pages_nodemask+0xa80/0xde0
[  370.902795]  ? zap_class+0x640/0x640
[  370.906519]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.911551]  ? find_held_lock+0x36/0x1c0
[  370.915629]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.920305]  ? lock_downgrade+0x900/0x900
[  370.924463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.930007]  cache_grow_begin+0xa5/0x8c0
[  370.934072]  ? do_raw_spin_unlock+0xa7/0x330
[  370.938492]  fallback_alloc+0x204/0x2e0
[  370.942480]  ____cache_alloc_node+0x1c7/0x1e0
[  370.946987]  kmem_cache_alloc_node+0xe3/0x730
[  370.951489]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.956107]  __alloc_skb+0x119/0x770
[  370.959843]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  370.965217]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.969640]  ? vprintk_default+0x28/0x30
[  370.973705]  ? vprintk_func+0x85/0x181
[  370.977597]  ? printk+0xa7/0xcf
[  370.980878]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  370.985648]  new_skb+0x26/0x1c0
[  370.988943]  aoecmd_cfg+0x279/0x7f0
[  370.992577]  ? find_held_lock+0x36/0x1c0
[  370.996644]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  371.000981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.006533]  ? __lock_is_held+0xb5/0x140
[  371.010611]  discover_timer+0x50/0x60
[  371.014419]  call_timer_fn+0x272/0x920
[  371.018307]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.023157]  ? process_timeout+0x40/0x40
[  371.027230]  ? __run_timers+0x7da/0xc70
[  371.031231]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.035730]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.040245]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.045095]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.049687]  ? trace_hardirqs_on+0xbd/0x310
[  371.054014]  ? kasan_check_read+0x11/0x20
[  371.058163]  ? __run_timers+0x7da/0xc70
[  371.062151]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.067271]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.072118]  __run_timers+0x7e5/0xc70
[  371.075932]  ? timer_fixup_init+0x70/0x70
[  371.080082]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.084588]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.089085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.093677]  ? trace_hardirqs_on+0xbd/0x310
[  371.097999]  ? kasan_check_read+0x11/0x20
[  371.102152]  ? finish_task_switch+0x1f4/0x910
[  371.106663]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.111782]  ? compat_start_thread+0x80/0x80
[  371.116223]  ? pvclock_read_flags+0x160/0x160
[  371.120743]  ? __switch_to_asm+0x34/0x70
[  371.124809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.130350]  ? check_preemption_disabled+0x48/0x280
[  371.135384]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  371.140926]  ? rcu_pm_notify+0xc0/0xc0
[  371.144816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.150355]  ? check_preemption_disabled+0x48/0x280
[  371.155380]  run_timer_softirq+0x52/0xb0
[  371.159447]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.164468]  __do_softirq+0x308/0xb7e
[  371.168278]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.173214]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.178329]  ? schedule+0x108/0x460
[  371.181970]  ? trace_hardirqs_off+0xb8/0x310
[  371.186386]  ? smpboot_thread_fn+0x68b/0xa00
[  371.190798]  ? trace_hardirqs_on+0x310/0x310
[  371.195214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.200753]  ? check_preemption_disabled+0x48/0x280
[  371.205773]  ? takeover_tasklets+0xa90/0xa90
[  371.210192]  run_ksoftirqd+0x5e/0x100
[  371.213996]  smpboot_thread_fn+0x68b/0xa00
[  371.218237]  ? sort_range+0x30/0x30
[  371.221878]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.226984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.232525]  ? __kthread_parkme+0xfb/0x1a0
[  371.236769]  ? sort_range+0x30/0x30
[  371.240401]  kthread+0x35a/0x440
[  371.243774]  ? kthread_stop+0x900/0x900
[  371.247783]  ret_from_fork+0x3a/0x50
[  371.251521] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  371.251592] aoe: skb alloc failure
[  371.258115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.258120] Call Trace:
[  371.258127]  <IRQ>
[  371.258146]  dump_stack+0x244/0x39d
[  371.258166]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.261728] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.271080]  warn_alloc.cold.116+0xb7/0x1bd
[  371.273638] ksoftirqd/0 cpuset=/ mems_allowed=0
[  371.275787]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.308714]  ? lock_downgrade+0x900/0x900
[  371.312875]  ? trace_hardirqs_off+0xb8/0x310
[  371.317305]  ? trace_hardirqs_off+0xb8/0x310
[  371.321726]  __alloc_pages_slowpath+0x26e8/0x2e10
[  371.326627]  ? warn_alloc+0x120/0x120
[  371.330446]  ? print_usage_bug+0xc0/0xc0
[  371.334532]  ? warn_alloc+0x120/0x120
[  371.338339]  ? warn_alloc+0x120/0x120
[  371.342145]  ? print_usage_bug+0xc0/0xc0
[  371.346211]  ? kvm_clock_read+0x18/0x30
[  371.350190]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  371.355213]  ? print_usage_bug+0xc0/0xc0
[  371.359278]  ? __lock_acquire+0x62f/0x4c20
[  371.363521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.369059]  ? should_fail+0x22d/0xd01
[  371.372950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.378236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.383347]  ? __lock_acquire+0x62f/0x4c20
[  371.387589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.392698]  ? __lock_acquire+0x62f/0x4c20
[  371.396933]  ? should_fail+0x22d/0xd01
[  371.400818]  ? rcu_irq_exit+0x1a2/0x390
[  371.404806]  ? mark_held_locks+0x130/0x130
[  371.409050]  ? mark_held_locks+0x130/0x130
[  371.413297]  ? mark_held_locks+0xc7/0x130
[  371.417452]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  371.422471]  ? zap_class+0x640/0x640
[  371.426192]  ? print_usage_bug+0xc0/0xc0
[  371.430283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.435849]  ? check_preemption_disabled+0x48/0x280
[  371.440907]  ? __lock_is_held+0xb5/0x140
[  371.444992]  __alloc_pages_nodemask+0xa80/0xde0
[  371.449670]  ? zap_class+0x640/0x640
[  371.453396]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.458431]  ? find_held_lock+0x36/0x1c0
[  371.462529]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.467208]  ? lock_downgrade+0x900/0x900
[  371.471378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.476935]  cache_grow_begin+0xa5/0x8c0
[  371.481014]  ? do_raw_spin_unlock+0xa7/0x330
[  371.485440]  fallback_alloc+0x204/0x2e0
[  371.489424]  ____cache_alloc_node+0x1c7/0x1e0
[  371.493930]  kmem_cache_alloc_node+0xe3/0x730
[  371.498429]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.502676]  __alloc_skb+0x119/0x770
[  371.506394]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.511676]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.516101]  ? lock_downgrade+0x900/0x900
[  371.520262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.525800]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.531261]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.536712]  ? addrconf_rs_timer+0x690/0x690
[  371.541138]  ndisc_alloc_skb+0x144/0x340
[  371.545212]  ndisc_send_rs+0x331/0x6e0
[  371.549109]  addrconf_rs_timer+0x314/0x690
[  371.553364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.557609]  call_timer_fn+0x272/0x920
[  371.561506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.565746]  ? process_timeout+0x40/0x40
[  371.569822]  ? mark_held_locks+0xc7/0x130
[  371.573978]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.578475]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.582970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.587209]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.591805]  ? trace_hardirqs_on+0xbd/0x310
[  371.596128]  ? kasan_check_read+0x11/0x20
[  371.600279]  ? __run_timers+0x7da/0xc70
[  371.604258]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.609393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.613642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.617879]  __run_timers+0x7e5/0xc70
[  371.621696]  ? timer_fixup_init+0x70/0x70
[  371.625846]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.630878]  ? zap_class+0x640/0x640
[  371.634601]  ? print_usage_bug+0xc0/0xc0
[  371.638676]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  371.643898]  ? find_held_lock+0x36/0x1c0
[  371.647981]  ? zap_class+0x640/0x640
[  371.651705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.657251]  ? check_preemption_disabled+0x48/0x280
[  371.662282]  ? __lock_is_held+0xb5/0x140
[  371.666348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.671890]  ? check_preemption_disabled+0x48/0x280
[  371.676913]  run_timer_softirq+0x52/0xb0
[  371.680988]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.686025]  __do_softirq+0x308/0xb7e
[  371.689850]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.694349]  ? lock_downgrade+0x900/0x900
[  371.698504]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.703634]  ? pvclock_read_flags+0x160/0x160
[  371.708136]  ? lapic_next_event+0x5a/0x90
[  371.712291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.717836]  ? kvm_clock_read+0x18/0x30
[  371.721813]  ? kvm_sched_clock_read+0x9/0x20
[  371.726247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.731800]  ? check_preemption_disabled+0x48/0x280
[  371.736856]  irq_exit+0x17f/0x1c0
[  371.740329]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.745172]  ? smp_reschedule_interrupt+0x109/0x650
[  371.750193]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.756088]  ? interrupt_entry+0xb5/0xc0
[  371.760175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.765193]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.770236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.775086]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.780108]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.785130]  ? task_prio+0x50/0x50
[  371.788681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.794227]  ? check_preemption_disabled+0x48/0x280
[  371.799254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.804111]  apic_timer_interrupt+0xf/0x20
[  371.808343]  </IRQ>
[  371.810585] RIP: 0010:console_unlock+0x102f/0x1190
[  371.815521] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  371.834425] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  371.842138] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  371.849406] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  371.856675] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  371.863943] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  371.871235] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  371.878520]  ? netconsole_netdev_event+0x280/0x280
[  371.883458]  ? console_unlock+0x1026/0x1190
[  371.887827]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  371.892497]  ? vprintk_emit+0x846/0x990
[  371.896478]  ? lock_release+0xa00/0xa00
[  371.900459]  ? trace_hardirqs_on+0x20/0x310
[  371.904797]  ? vprintk_default+0x28/0x30
[  371.908875]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.913983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.919554]  vprintk_emit+0x391/0x990
[  371.923390]  ? wake_up_klogd+0x180/0x180
[  371.927460]  ? match_held_lock+0x8c1/0x8d0
[  371.931708]  ? mark_held_locks+0xc7/0x130
[  371.935862]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.940359]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.944897]  vprintk_default+0x28/0x30
[  371.948789]  vprintk_func+0x7e/0x181
[  371.952507]  printk+0xa7/0xcf
[  371.955622]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  371.960386]  ? _raw_spin_unlock_irq+0x60/0x80
[  371.964897]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  371.970186]  dump_header+0x7cc/0xf72
[  371.973917]  ? pagefault_out_of_memory+0x197/0x197
[  371.978865]  ? __lock_acquire+0x62f/0x4c20
[  371.983105]  ? percpu_ref_get_many+0x240/0x240
[  371.987691]  ? print_usage_bug+0xc0/0xc0
[  371.991773]  ? zap_class+0x640/0x640
[  371.995514]  ? print_usage_bug+0xc0/0xc0
[  371.999586]  ? zap_class+0x640/0x640
[  372.003310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.008891]  ? find_held_lock+0x36/0x1c0
[  372.012987]  ? mark_held_locks+0xc7/0x130
[  372.017142]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  372.022250]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  372.027356]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.031948]  ? trace_hardirqs_on+0xbd/0x310
[  372.036273]  ? kasan_check_read+0x11/0x20
[  372.040420]  ? ___ratelimit+0x3b4/0x672
[  372.044396]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.049504]  ? trace_hardirqs_on+0x310/0x310
[  372.053916]  ? lock_downgrade+0x900/0x900
[  372.058092]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  372.063212]  ? ___ratelimit+0x3b9/0x672
[  372.067196]  ? idr_get_free+0xf70/0xf70
[  372.071201]  ? find_held_lock+0x36/0x1c0
[  372.075288]  oom_kill_process.cold.27+0x10/0x903
[  372.080052]  ? zap_class+0x640/0x640
[  372.083799]  ? check_preemption_disabled+0x48/0x280
[  372.088820]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.093750]  ? kasan_check_read+0x11/0x20
[  372.097916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.103197]  ? oom_evaluate_task+0x540/0x540
[  372.107617]  ? find_held_lock+0x36/0x1c0
[  372.111702]  ? out_of_memory+0x974/0x1430
[  372.115862]  ? lock_downgrade+0x900/0x900
[  372.120011]  ? check_preemption_disabled+0x48/0x280
[  372.125053]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.129985]  ? kasan_check_read+0x11/0x20
[  372.134136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.139415]  ? rcu_softirq_qs+0x20/0x20
[  372.143408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.148946]  ? oom_evaluate_task+0x302/0x540
[  372.153375]  out_of_memory+0xa84/0x1430
[  372.157368]  ? oom_killer_disable+0x3a0/0x3a0
[  372.161875]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  372.166810]  ? __ww_mutex_check_waiters+0x160/0x160
[  372.171838]  __alloc_pages_slowpath+0x2354/0x2e10
[  372.176718]  ? warn_alloc+0x120/0x120
[  372.180524]  ? mark_held_locks+0x130/0x130
[  372.184768]  ? find_get_entry+0xaae/0x1120
[  372.189017]  ? filemap_map_pages+0x1a20/0x1a20
[  372.193626]  ? zap_class+0x640/0x640
[  372.197356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.202897]  ? check_preemption_disabled+0x48/0x280
[  372.207916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.213464]  ? should_fail+0x22d/0xd01
[  372.217360]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.222469]  ? zap_class+0x640/0x640
[  372.226213]  ? __lock_is_held+0xb5/0x140
[  372.230291]  ? mark_held_locks+0x130/0x130
[  372.234532]  ? lock_release+0xa00/0xa00
[  372.238510]  ? perf_trace_sched_process_exec+0x860/0x860
[  372.243964]  ? xa_load+0x2ba/0x460
[  372.247510]  ? lock_downgrade+0x900/0x900
[  372.251676]  ? __might_sleep+0x95/0x190
[  372.255658]  __alloc_pages_nodemask+0xa80/0xde0
[  372.260339]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.265368]  ? __page_cache_alloc+0x191/0x5c0
[  372.269864]  ? xa_load+0x2e1/0x460
[  372.273414]  ? xa_clear_mark+0x40/0x40
[  372.277310]  ? zap_class+0x640/0x640
[  372.281038]  ? zap_class+0x640/0x640
[  372.284757]  ? zap_class+0x640/0x640
[  372.288473]  ? __do_page_cache_readahead+0x663/0x810
[  372.293589]  ? find_held_lock+0x36/0x1c0
[  372.297674]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  372.303222]  alloc_pages_current+0x173/0x350
[  372.307654]  __page_cache_alloc+0x38c/0x5c0
[  372.311975]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.316908]  ? kasan_check_read+0x11/0x20
[  372.321080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.326369]  ? generic_perform_write+0x6a0/0x6a0
[  372.331327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.336869]  ? check_preemption_disabled+0x48/0x280
[  372.341895]  filemap_fault+0x1595/0x25f0
[  372.345982]  ? __lock_page_or_retry+0xa00/0xa00
[  372.350667]  ? mark_held_locks+0x130/0x130
[  372.354928]  ? filemap_map_pages+0xd6b/0x1a20
[  372.359445]  ? lock_downgrade+0x900/0x900
[  372.363597]  ? check_preemption_disabled+0x48/0x280
[  372.368628]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.373559]  ? kasan_check_read+0x11/0x20
[  372.377958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.383242]  ? rcu_softirq_qs+0x20/0x20
[  372.387235]  ? filemap_map_pages+0xd92/0x1a20
[  372.391751]  ? find_get_entries_tag+0x1400/0x1400
[  372.396602]  ? debug_object_destroy+0x2b0/0x2b0
[  372.401281]  ? lock_pi_update_atomic+0x150/0x150
[  372.406048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.411599]  ? lock_acquire+0x1ed/0x520
[  372.415600]  ? ext4_filemap_fault+0x7a/0xad
[  372.419938]  ? lock_release+0xa00/0xa00
[  372.423912]  ? perf_trace_sched_process_exec+0x860/0x860
[  372.429368]  ? print_usage_bug+0xc0/0xc0
[  372.433446]  ? print_usage_bug+0xc0/0xc0
[  372.438046]  ? down_read+0x8d/0x120
[  372.441678]  ? ext4_filemap_fault+0x7a/0xad
[  372.446004]  ? __down_interruptible+0x700/0x700
[  372.450700]  ext4_filemap_fault+0x82/0xad
[  372.454855]  __do_fault+0x100/0x6b0
[  372.458491]  ? pmd_devmap_trans_unstable+0x220/0x220
[  372.463605]  ? mark_held_locks+0x130/0x130
[  372.467865]  ? mark_held_locks+0x130/0x130
[  372.472114]  ? debug_smp_processor_id+0x1c/0x20
[  372.476802]  ? perf_trace_lock+0x14d/0x7a0
[  372.481046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.486608]  __handle_mm_fault+0x3ea6/0x5be0
[  372.491071]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  372.495922]  ? lock_is_held_type+0x210/0x210
[  372.500342]  ? ksys_dup3+0x680/0x680
[  372.504075]  ? zap_class+0x640/0x640
[  372.507804]  ? zap_class+0x640/0x640
[  372.511533]  ? __x64_sys_futex+0x53e/0x6a0
[  372.515787]  ? find_held_lock+0x36/0x1c0
[  372.519865]  ? handle_mm_fault+0x42a/0xc70
[  372.524113]  ? lock_downgrade+0x900/0x900
[  372.528264]  ? check_preemption_disabled+0x48/0x280
[  372.533287]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.538229]  ? kasan_check_read+0x11/0x20
[  372.542377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.547656]  ? rcu_softirq_qs+0x20/0x20
[  372.551648]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.556753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.562303]  ? check_preemption_disabled+0x48/0x280
[  372.567331]  handle_mm_fault+0x54f/0xc70
[  372.571397]  ? __handle_mm_fault+0x5be0/0x5be0
[  372.575987]  ? find_vma+0x34/0x190
[  372.579538]  __do_page_fault+0x5e8/0xe60
[  372.583633]  ? trace_hardirqs_off+0xb8/0x310
[  372.588055]  do_page_fault+0xf2/0x7e0
[  372.591858]  ? vmalloc_sync_all+0x30/0x30
[  372.596020]  ? error_entry+0x70/0xd0
[  372.599736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.604751]  ? trace_hardirqs_on_caller+0xc0/0x310
[  372.609685]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.614626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.619472]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.624492]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.629949]  ? prepare_exit_to_usermode+0x291/0x3b0
[  372.634968]  ? page_fault+0x8/0x30
[  372.638514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.643393]  ? page_fault+0x8/0x30
[  372.646947]  page_fault+0x1e/0x30
[  372.650414] RIP: 0033:0x40f9c0
[  372.653629] Code: Bad RIP value.
[  372.656994] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  372.662360] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  372.669630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  372.676898] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  372.684172] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  372.691437] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  372.698730] warn_alloc_show_mem: 1 callbacks suppressed
[  372.698741] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  372.698743] Mem-Info:
[  372.698774] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  372.698774]  active_file:15 inactive_file:12 isolated_file:0
[  372.698774]  unevictable:0 dirty:0 writeback:0 unstable:0
[  372.698774]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  372.698774]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  372.698774]  free:13790 free_pcp:473 free_cma:0
[  372.704133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.710544] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  372.712944] Call Trace:
[  372.745984] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  372.755341]  dump_stack+0x244/0x39d
[  372.782988] lowmem_reserve[]: 0 2818 6321 6321
[  372.785616]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.811719] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  372.815354]  warn_alloc.cold.116+0xb7/0x1bd
[  372.819903] lowmem_reserve[]: 0 0 3503 3503
[  372.825123]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.825142]  ? lock_downgrade+0x900/0x900
[  372.852625] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  372.856961]  ? trace_hardirqs_off+0xb8/0x310
[  372.861253] lowmem_reserve[]: 0 0 0 0
[  372.866095]  ? trace_hardirqs_off+0xb8/0x310
[  372.870232] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  372.899385]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.903768] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  372.907591]  ? warn_alloc+0x120/0x120
[  372.911958] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  372.925480]  ? warn_alloc+0x120/0x120
[  372.930323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.945658]  ? warn_alloc+0x120/0x120
[  372.949446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.964785]  ? print_usage_bug+0xc0/0xc0
[  372.968564] 2571 total pagecache pages
[  372.977396]  ? print_usage_bug+0xc0/0xc0
[  372.981184] 0 pages in swap cache
[  372.989750]  ? mark_held_locks+0x130/0x130
[  372.993792] Swap cache stats: add 0, delete 0, find 0/0
[  372.997674]  ? mark_held_locks+0x130/0x130
[  373.001729] Free swap  = 0kB
[  373.005195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.009423] Total swap = 0kB
[  373.014799]  ? should_fail+0x22d/0xd01
[  373.019025] 1965979 pages RAM
[  373.022041]  ? zap_class+0x640/0x640
[  373.027559] 0 pages HighMem/MovableOnly
[  373.030588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.034457] 342855 pages reserved
[  373.037557]  ? __lock_acquire+0x62f/0x4c20
[  373.041252] 0 pages cma reserved
[  373.045228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.050370] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.053781]  ? __lock_acquire+0x62f/0x4c20
[  373.053797]  ? should_fail+0x22d/0xd01
[  373.058152] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.061399]  ? mark_held_locks+0x130/0x130
[  373.066478] syz-fuzzer cpuset=/ mems_allowed=0
[  373.072971]  ? mark_held_locks+0x130/0x130
[  373.104282]  ? lock_downgrade+0x900/0x900
[  373.108436]  ? zap_class+0x640/0x640
[  373.112155]  ? zap_class+0x640/0x640
[  373.115886]  ? zap_class+0x640/0x640
[  373.119611]  ? do_raw_spin_unlock+0xa7/0x330
[  373.124037]  ? trace_hardirqs_on+0x310/0x310
[  373.128448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.134005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.139568]  ? check_preemption_disabled+0x48/0x280
[  373.144593]  ? __lock_is_held+0xb5/0x140
[  373.148666]  __alloc_pages_nodemask+0xa80/0xde0
[  373.153353]  ? zap_class+0x640/0x640
[  373.157077]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.162116]  ? find_held_lock+0x36/0x1c0
[  373.166208]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.170885]  ? lock_downgrade+0x900/0x900
[  373.175046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.180588]  cache_grow_begin+0xa5/0x8c0
[  373.184651]  ? do_raw_spin_unlock+0xa7/0x330
[  373.189069]  fallback_alloc+0x204/0x2e0
[  373.193052]  ____cache_alloc_node+0x1c7/0x1e0
[  373.197556]  kmem_cache_alloc_node+0xe3/0x730
[  373.202055]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.206660]  __alloc_skb+0x119/0x770
[  373.210376]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  373.215744]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.220176]  ? vprintk_default+0x28/0x30
[  373.224239]  ? vprintk_func+0x85/0x181
[  373.228146]  ? printk+0xa7/0xcf
[  373.231440]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  373.236215]  new_skb+0x26/0x1c0
[  373.239500]  aoecmd_cfg+0x279/0x7f0
[  373.243137]  ? find_held_lock+0x36/0x1c0
[  373.247209]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  373.251542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.257101]  ? __lock_is_held+0xb5/0x140
[  373.261192]  discover_timer+0x50/0x60
[  373.264998]  call_timer_fn+0x272/0x920
[  373.268891]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  373.273737]  ? process_timeout+0x40/0x40
[  373.277810]  ? __run_timers+0x7da/0xc70
[  373.281800]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.286316]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.290815]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  373.295663]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.300258]  ? trace_hardirqs_on+0xbd/0x310
[  373.304586]  ? kasan_check_read+0x11/0x20
[  373.308742]  ? __run_timers+0x7da/0xc70
[  373.312725]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.317848]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  373.322692]  __run_timers+0x7e5/0xc70
[  373.326508]  ? timer_fixup_init+0x70/0x70
[  373.331135]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.335637]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.340143]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.344736]  ? trace_hardirqs_on+0xbd/0x310
[  373.349061]  ? kasan_check_read+0x11/0x20
[  373.353218]  ? finish_task_switch+0x1f4/0x910
[  373.357734]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.362844]  ? compat_start_thread+0x80/0x80
[  373.367284]  ? pvclock_read_flags+0x160/0x160
[  373.371782]  ? __switch_to_asm+0x34/0x70
[  373.375861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.381406]  ? check_preemption_disabled+0x48/0x280
[  373.386436]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  373.391982]  ? rcu_pm_notify+0xc0/0xc0
[  373.395878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.401434]  ? check_preemption_disabled+0x48/0x280
[  373.406460]  run_timer_softirq+0x52/0xb0
[  373.410524]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.415549]  __do_softirq+0x308/0xb7e
[  373.419360]  ? trace_hardirqs_on_caller+0xc0/0x310
[  373.424302]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.429418]  ? schedule+0x108/0x460
[  373.433065]  ? trace_hardirqs_off+0xb8/0x310
[  373.437486]  ? smpboot_thread_fn+0x68b/0xa00
[  373.441908]  ? trace_hardirqs_on+0x310/0x310
[  373.446326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.451867]  ? check_preemption_disabled+0x48/0x280
[  373.456888]  ? takeover_tasklets+0xa90/0xa90
[  373.461305]  run_ksoftirqd+0x5e/0x100
[  373.465123]  smpboot_thread_fn+0x68b/0xa00
[  373.469368]  ? sort_range+0x30/0x30
[  373.473003]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.478120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.483669]  ? __kthread_parkme+0xfb/0x1a0
[  373.487914]  ? sort_range+0x30/0x30
[  373.491544]  kthread+0x35a/0x440
[  373.494936]  ? kthread_stop+0x900/0x900
[  373.498918]  ret_from_fork+0x3a/0x50
[  373.502656] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  373.502727] aoe: skb alloc failure
[  373.509247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.509253] Call Trace:
[  373.509260]  <IRQ>
[  373.509278]  dump_stack+0x244/0x39d
[  373.509298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.512847] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.522191]  warn_alloc.cold.116+0xb7/0x1bd
[  373.524750] ksoftirqd/0 cpuset=/ mems_allowed=0
[  373.526904]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.559797]  ? lock_downgrade+0x900/0x900
[  373.563960]  ? trace_hardirqs_off+0xb8/0x310
[  373.568389]  ? trace_hardirqs_off+0xb8/0x310
[  373.572817]  __alloc_pages_slowpath+0x26e8/0x2e10
[  373.577717]  ? warn_alloc+0x120/0x120
[  373.581545]  ? warn_alloc+0x120/0x120
[  373.585361]  ? zap_class+0x640/0x640
[  373.589083]  ? warn_alloc+0x120/0x120
[  373.592901]  ? print_usage_bug+0xc0/0xc0
[  373.596964]  ? idle_cpu+0x1d0/0x1d0
[  373.600596]  ? kvm_sched_clock_read+0x9/0x20
[  373.605026]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.610048]  ? print_usage_bug+0xc0/0xc0
[  373.614123]  ? __lock_is_held+0xb5/0x140
[  373.618201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.623743]  ? should_fail+0x22d/0xd01
[  373.627646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.632754]  ? __lock_acquire+0x62f/0x4c20
[  373.637001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.642110]  ? __lock_acquire+0x62f/0x4c20
[  373.646353]  ? should_fail+0x22d/0xd01
[  373.650256]  ? mark_held_locks+0x130/0x130
[  373.654514]  ? mark_held_locks+0x130/0x130
[  373.658764]  ? __enqueue_entity+0x10d/0x1f0
[  373.663096]  ? zap_class+0x640/0x640
[  373.666814]  ? print_usage_bug+0xc0/0xc0
[  373.670880]  ? __lock_acquire+0x62f/0x4c20
[  373.675125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.680672]  ? check_preemption_disabled+0x48/0x280
[  373.685705]  ? __lock_is_held+0xb5/0x140
[  373.689774]  __alloc_pages_nodemask+0xa80/0xde0
[  373.694471]  ? zap_class+0x640/0x640
[  373.698205]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.703241]  ? find_held_lock+0x36/0x1c0
[  373.707349]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.712027]  ? lock_downgrade+0x900/0x900
[  373.716190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.721767]  cache_grow_begin+0xa5/0x8c0
[  373.725831]  ? do_raw_spin_unlock+0xa7/0x330
[  373.730252]  fallback_alloc+0x204/0x2e0
[  373.734238]  ____cache_alloc_node+0x1c7/0x1e0
[  373.738743]  kmem_cache_alloc_node+0xe3/0x730
[  373.743240]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.747499]  __alloc_skb+0x119/0x770
[  373.751220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.756508]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.760924]  ? lock_downgrade+0x900/0x900
[  373.765087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.770636]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.776097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.781556]  ? addrconf_rs_timer+0x690/0x690
[  373.785981]  ndisc_alloc_skb+0x144/0x340
[  373.790064]  ndisc_send_rs+0x331/0x6e0
[  373.793962]  addrconf_rs_timer+0x314/0x690
[  373.798210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.802463]  call_timer_fn+0x272/0x920
[  373.806356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.810598]  ? process_timeout+0x40/0x40
[  373.814679]  ? mark_held_locks+0xc7/0x130
[  373.818837]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.823352]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.827854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.832107]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.836696]  ? trace_hardirqs_on+0xbd/0x310
[  373.841066]  ? kasan_check_read+0x11/0x20
[  373.845219]  ? __run_timers+0x7da/0xc70
[  373.849201]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.854328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.858569]  __run_timers+0x7e5/0xc70
[  373.862384]  ? timer_fixup_init+0x70/0x70
[  373.866539]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.871564]  ? zap_class+0x640/0x640
[  373.875292]  ? print_usage_bug+0xc0/0xc0
[  373.879365]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.884571]  ? find_held_lock+0x36/0x1c0
[  373.888645]  ? zap_class+0x640/0x640
[  373.892371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.897917]  ? check_preemption_disabled+0x48/0x280
[  373.902952]  ? __lock_is_held+0xb5/0x140
[  373.907029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.912573]  ? check_preemption_disabled+0x48/0x280
[  373.917608]  run_timer_softirq+0x52/0xb0
[  373.921683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.926703]  __do_softirq+0x308/0xb7e
[  373.930518]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.935021]  ? lock_downgrade+0x900/0x900
[  373.939182]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.944351]  ? pvclock_read_flags+0x160/0x160
[  373.948857]  ? lapic_next_event+0x5a/0x90
[  373.953016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.958574]  ? kvm_clock_read+0x18/0x30
[  373.962553]  ? kvm_sched_clock_read+0x9/0x20
[  373.966968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.972510]  ? check_preemption_disabled+0x48/0x280
[  373.977542]  irq_exit+0x17f/0x1c0
[  373.981004]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.985852]  ? smp_reschedule_interrupt+0x109/0x650
[  373.990873]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.996767]  ? interrupt_entry+0xb5/0xc0
[  374.000835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.005856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.010882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.015730]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.020751]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.025806]  ? task_prio+0x50/0x50
[  374.029353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.034898]  ? check_preemption_disabled+0x48/0x280
[  374.039925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.044785]  apic_timer_interrupt+0xf/0x20
[  374.049015]  </IRQ>
[  374.051259] RIP: 0010:console_unlock+0x102f/0x1190
[  374.056193] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  374.075098] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  374.082809] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  374.090078] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  374.097346] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  374.104630] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  374.111911] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  374.119195]  ? netconsole_netdev_event+0x280/0x280
[  374.124146]  ? console_unlock+0x1026/0x1190
[  374.128499]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  374.133181]  ? vprintk_emit+0x846/0x990
[  374.137165]  ? lock_release+0xa00/0xa00
[  374.141145]  ? trace_hardirqs_on+0x20/0x310
[  374.145468]  ? vprintk_default+0x28/0x30
[  374.149550]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.154671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.160221]  vprintk_emit+0x391/0x990
[  374.164030]  ? wake_up_klogd+0x180/0x180
[  374.168104]  ? match_held_lock+0x8c1/0x8d0
[  374.172358]  ? mark_held_locks+0xc7/0x130
[  374.176514]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.181017]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.185523]  vprintk_default+0x28/0x30
[  374.189416]  vprintk_func+0x7e/0x181
[  374.193139]  printk+0xa7/0xcf
[  374.196250]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  374.201016]  ? _raw_spin_unlock_irq+0x60/0x80
[  374.205532]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  374.210825]  dump_header+0x7cc/0xf72
[  374.214555]  ? pagefault_out_of_memory+0x197/0x197
[  374.219495]  ? __lock_acquire+0x62f/0x4c20
[  374.223750]  ? percpu_ref_get_many+0x240/0x240
[  374.228340]  ? print_usage_bug+0xc0/0xc0
[  374.232415]  ? zap_class+0x640/0x640
[  374.236166]  ? print_usage_bug+0xc0/0xc0
[  374.240241]  ? zap_class+0x640/0x640
[  374.243962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.249508]  ? find_held_lock+0x36/0x1c0
[  374.253587]  ? mark_held_locks+0xc7/0x130
[  374.257749]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  374.262864]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  374.267973]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.272567]  ? trace_hardirqs_on+0xbd/0x310
[  374.276896]  ? kasan_check_read+0x11/0x20
[  374.281047]  ? ___ratelimit+0x3b4/0x672
[  374.285027]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.290138]  ? trace_hardirqs_on+0x310/0x310
[  374.294553]  ? lock_downgrade+0x900/0x900
[  374.298727]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  374.303834]  ? ___ratelimit+0x3b9/0x672
[  374.307815]  ? idr_get_free+0xf70/0xf70
[  374.311804]  ? find_held_lock+0x36/0x1c0
[  374.315901]  oom_kill_process.cold.27+0x10/0x903
[  374.320667]  ? zap_class+0x640/0x640
[  374.324396]  ? check_preemption_disabled+0x48/0x280
[  374.329759]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.334694]  ? kasan_check_read+0x11/0x20
[  374.338845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.344163]  ? oom_evaluate_task+0x540/0x540
[  374.348581]  ? find_held_lock+0x36/0x1c0
[  374.352659]  ? out_of_memory+0x974/0x1430
[  374.356818]  ? lock_downgrade+0x900/0x900
[  374.360971]  ? check_preemption_disabled+0x48/0x280
[  374.366018]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.370953]  ? kasan_check_read+0x11/0x20
[  374.375108]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.380391]  ? rcu_softirq_qs+0x20/0x20
[  374.384376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.389924]  ? oom_evaluate_task+0x302/0x540
[  374.394343]  out_of_memory+0xa84/0x1430
[  374.398333]  ? oom_killer_disable+0x3a0/0x3a0
[  374.402836]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  374.407773]  ? __ww_mutex_check_waiters+0x160/0x160
[  374.412826]  __alloc_pages_slowpath+0x2354/0x2e10
[  374.417706]  ? warn_alloc+0x120/0x120
[  374.421513]  ? mark_held_locks+0x130/0x130
[  374.425757]  ? find_get_entry+0xaae/0x1120
[  374.430009]  ? filemap_map_pages+0x1a20/0x1a20
[  374.434603]  ? zap_class+0x640/0x640
[  374.438820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.444361]  ? check_preemption_disabled+0x48/0x280
[  374.449387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.454928]  ? should_fail+0x22d/0xd01
[  374.458822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.463939]  ? zap_class+0x640/0x640
[  374.467687]  ? __lock_is_held+0xb5/0x140
[  374.471762]  ? mark_held_locks+0x130/0x130
[  374.476006]  ? lock_release+0xa00/0xa00
[  374.479983]  ? perf_trace_sched_process_exec+0x860/0x860
[  374.485441]  ? xa_load+0x2ba/0x460
[  374.488989]  ? lock_downgrade+0x900/0x900
[  374.493150]  ? __might_sleep+0x95/0x190
[  374.497135]  __alloc_pages_nodemask+0xa80/0xde0
[  374.501821]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.506840]  ? __page_cache_alloc+0x191/0x5c0
[  374.511339]  ? xa_load+0x2e1/0x460
[  374.514882]  ? xa_clear_mark+0x40/0x40
[  374.518778]  ? zap_class+0x640/0x640
[  374.522504]  ? zap_class+0x640/0x640
[  374.526220]  ? zap_class+0x640/0x640
[  374.529935]  ? __do_page_cache_readahead+0x663/0x810
[  374.535046]  ? find_held_lock+0x36/0x1c0
[  374.539120]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  374.544674]  alloc_pages_current+0x173/0x350
[  374.549106]  __page_cache_alloc+0x38c/0x5c0
[  374.553430]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.558363]  ? kasan_check_read+0x11/0x20
[  374.562517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.567798]  ? generic_perform_write+0x6a0/0x6a0
[  374.572558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.578107]  ? check_preemption_disabled+0x48/0x280
[  374.583144]  filemap_fault+0x1595/0x25f0
[  374.587229]  ? __lock_page_or_retry+0xa00/0xa00
[  374.591904]  ? mark_held_locks+0x130/0x130
[  374.596154]  ? filemap_map_pages+0xd6b/0x1a20
[  374.600672]  ? lock_downgrade+0x900/0x900
[  374.604844]  ? check_preemption_disabled+0x48/0x280
[  374.609878]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.614810]  ? kasan_check_read+0x11/0x20
[  374.618963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.624258]  ? rcu_softirq_qs+0x20/0x20
[  374.628254]  ? filemap_map_pages+0xd92/0x1a20
[  374.632780]  ? find_get_entries_tag+0x1400/0x1400
[  374.637645]  ? debug_object_destroy+0x2b0/0x2b0
[  374.642320]  ? lock_pi_update_atomic+0x150/0x150
[  374.647080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.652647]  ? lock_acquire+0x1ed/0x520
[  374.656644]  ? ext4_filemap_fault+0x7a/0xad
[  374.660973]  ? lock_release+0xa00/0xa00
[  374.664999]  ? perf_trace_sched_process_exec+0x860/0x860
[  374.670468]  ? print_usage_bug+0xc0/0xc0
[  374.674553]  ? print_usage_bug+0xc0/0xc0
[  374.678636]  ? down_read+0x8d/0x120
[  374.682265]  ? ext4_filemap_fault+0x7a/0xad
[  374.686607]  ? __down_interruptible+0x700/0x700
[  374.691295]  ext4_filemap_fault+0x82/0xad
[  374.695447]  __do_fault+0x100/0x6b0
[  374.699079]  ? pmd_devmap_trans_unstable+0x220/0x220
[  374.704206]  ? mark_held_locks+0x130/0x130
[  374.708459]  ? mark_held_locks+0x130/0x130
[  374.712705]  ? debug_smp_processor_id+0x1c/0x20
[  374.717378]  ? perf_trace_lock+0x14d/0x7a0
[  374.721631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.727177]  __handle_mm_fault+0x3ea6/0x5be0
[  374.731600]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  374.736464]  ? lock_is_held_type+0x210/0x210
[  374.740908]  ? ksys_dup3+0x680/0x680
[  374.744653]  ? zap_class+0x640/0x640
[  374.748369]  ? zap_class+0x640/0x640
[  374.752083]  ? __x64_sys_futex+0x53e/0x6a0
[  374.756330]  ? find_held_lock+0x36/0x1c0
[  374.760402]  ? handle_mm_fault+0x42a/0xc70
[  374.764643]  ? lock_downgrade+0x900/0x900
[  374.768795]  ? check_preemption_disabled+0x48/0x280
[  374.773816]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.778746]  ? kasan_check_read+0x11/0x20
[  374.782897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.788179]  ? rcu_softirq_qs+0x20/0x20
[  374.792162]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.797284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.802828]  ? check_preemption_disabled+0x48/0x280
[  374.807856]  handle_mm_fault+0x54f/0xc70
[  374.811929]  ? __handle_mm_fault+0x5be0/0x5be0
[  374.816521]  ? find_vma+0x34/0x190
[  374.820071]  __do_page_fault+0x5e8/0xe60
[  374.824144]  ? trace_hardirqs_off+0xb8/0x310
[  374.828566]  do_page_fault+0xf2/0x7e0
[  374.832372]  ? vmalloc_sync_all+0x30/0x30
[  374.836534]  ? error_entry+0x70/0xd0
[  374.840257]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.845278]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.850210]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.855142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.860000]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.865018]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.870478]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.875498]  ? page_fault+0x8/0x30
[  374.879044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.883892]  ? page_fault+0x8/0x30
[  374.887472]  page_fault+0x1e/0x30
[  374.890924] RIP: 0033:0x40f9c0
[  374.894141] Code: Bad RIP value.
[  374.897503] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  374.902860] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  374.910143] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  374.917429] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  374.924694] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  374.931958] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  374.939264] warn_alloc_show_mem: 1 callbacks suppressed
[  374.939276] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  374.939278] Mem-Info:
[  374.939309] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  374.939309]  active_file:15 inactive_file:12 isolated_file:0
[  374.939309]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.939309]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  374.939309]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  374.939309]  free:13790 free_pcp:473 free_cma:0
[  374.944651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.951065] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.953483] Call Trace:
[  374.986524] 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
[  374.995877]  dump_stack+0x244/0x39d
[  375.023525] lowmem_reserve[]: 0 2818 6321 6321
[  375.026126]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.052210] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  375.055846]  warn_alloc.cold.116+0xb7/0x1bd
[  375.060407] lowmem_reserve[]: 0 0 3503 3503
[  375.065594]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.093089] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  375.097443]  ? lock_downgrade+0x900/0x900
[  375.101745] lowmem_reserve[]: 0 0 0 0
[  375.106593]  ? trace_hardirqs_off+0xb8/0x310
[  375.135717] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  375.139867]  ? trace_hardirqs_off+0xb8/0x310
[  375.143642] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  375.148053]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.161550] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  375.165981]  ? warn_alloc+0x120/0x120
[  375.181287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  375.186132]  ? warn_alloc+0x120/0x120
[  375.201456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  375.205251]  ? warn_alloc+0x120/0x120
[  375.214065] 2571 total pagecache pages
[  375.217862]  ? print_usage_bug+0xc0/0xc0
[  375.226443] 0 pages in swap cache
[  375.230245]  ? print_usage_bug+0xc0/0xc0
[  375.234124] Swap cache stats: add 0, delete 0, find 0/0
[  375.238197]  ? mark_held_locks+0x130/0x130
[  375.241647] Free swap  = 0kB
[  375.245727]  ? mark_held_locks+0x130/0x130
[  375.251068] Total swap = 0kB
[  375.255329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.258326] 1965979 pages RAM
[  375.262591]  ? should_fail+0x22d/0xd01
[  375.265587] 0 pages HighMem/MovableOnly
[  375.271148]  ? zap_class+0x640/0x640
[  375.274239] 342855 pages reserved
[  375.278129]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.282081] 0 pages cma reserved
[  375.285795]  ? __lock_acquire+0x62f/0x4c20
[  375.289284] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.294326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.297761] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.301907]  ? __lock_acquire+0x62f/0x4c20
[  375.308378] syz-fuzzer cpuset=/ mems_allowed=0
[  375.313477]  ? should_fail+0x22d/0xd01
[  375.336370]  ? mark_held_locks+0x130/0x130
[  375.340616]  ? mark_held_locks+0x130/0x130
[  375.344852]  ? lock_downgrade+0x900/0x900
[  375.349001]  ? zap_class+0x640/0x640
[  375.352716]  ? zap_class+0x640/0x640
[  375.356447]  ? zap_class+0x640/0x640
[  375.360161]  ? do_raw_spin_unlock+0xa7/0x330
[  375.364571]  ? trace_hardirqs_on+0x310/0x310
[  375.368995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.374534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.380090]  ? check_preemption_disabled+0x48/0x280
[  375.385159]  ? __lock_is_held+0xb5/0x140
[  375.389233]  __alloc_pages_nodemask+0xa80/0xde0
[  375.393907]  ? zap_class+0x640/0x640
[  375.397632]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.402668]  ? find_held_lock+0x36/0x1c0
[  375.406747]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.411422]  ? lock_downgrade+0x900/0x900
[  375.415581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.421138]  cache_grow_begin+0xa5/0x8c0
[  375.425205]  ? do_raw_spin_unlock+0xa7/0x330
[  375.429627]  fallback_alloc+0x204/0x2e0
[  375.433624]  ____cache_alloc_node+0x1c7/0x1e0
[  375.438167]  kmem_cache_alloc_node+0xe3/0x730
[  375.442671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.447268]  __alloc_skb+0x119/0x770
[  375.450986]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  375.456357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.460781]  ? vprintk_default+0x28/0x30
[  375.464844]  ? vprintk_func+0x85/0x181
[  375.468738]  ? printk+0xa7/0xcf
[  375.472021]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  375.476817]  new_skb+0x26/0x1c0
[  375.480117]  aoecmd_cfg+0x279/0x7f0
[  375.483754]  ? find_held_lock+0x36/0x1c0
[  375.487823]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  375.492159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.497726]  ? __lock_is_held+0xb5/0x140
[  375.501827]  discover_timer+0x50/0x60
[  375.505678]  call_timer_fn+0x272/0x920
[  375.509589]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  375.514443]  ? process_timeout+0x40/0x40
[  375.518522]  ? __run_timers+0x7da/0xc70
[  375.522507]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.527006]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.531507]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  375.536354]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.540955]  ? trace_hardirqs_on+0xbd/0x310
[  375.545293]  ? kasan_check_read+0x11/0x20
[  375.549443]  ? __run_timers+0x7da/0xc70
[  375.553428]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.558592]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  375.563433]  __run_timers+0x7e5/0xc70
[  375.567251]  ? timer_fixup_init+0x70/0x70
[  375.571411]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.575912]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.580414]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.585011]  ? trace_hardirqs_on+0xbd/0x310
[  375.589336]  ? kasan_check_read+0x11/0x20
[  375.593489]  ? finish_task_switch+0x1f4/0x910
[  375.597993]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.603114]  ? compat_start_thread+0x80/0x80
[  375.607551]  ? pvclock_read_flags+0x160/0x160
[  375.612053]  ? __switch_to_asm+0x34/0x70
[  375.616147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.621694]  ? check_preemption_disabled+0x48/0x280
[  375.626729]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  375.632275]  ? rcu_pm_notify+0xc0/0xc0
[  375.636168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.641709]  ? check_preemption_disabled+0x48/0x280
[  375.646736]  run_timer_softirq+0x52/0xb0
[  375.650808]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.655843]  __do_softirq+0x308/0xb7e
[  375.659665]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.664619]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.669733]  ? schedule+0x108/0x460
[  375.673377]  ? trace_hardirqs_off+0xb8/0x310
[  375.677792]  ? smpboot_thread_fn+0x68b/0xa00
[  375.682204]  ? trace_hardirqs_on+0x310/0x310
[  375.686633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.692173]  ? check_preemption_disabled+0x48/0x280
[  375.697198]  ? takeover_tasklets+0xa90/0xa90
[  375.701636]  run_ksoftirqd+0x5e/0x100
[  375.705445]  smpboot_thread_fn+0x68b/0xa00
[  375.709687]  ? sort_range+0x30/0x30
[  375.713317]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.718425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.723967]  ? __kthread_parkme+0xfb/0x1a0
[  375.728219]  ? sort_range+0x30/0x30
[  375.731852]  kthread+0x35a/0x440
[  375.735223]  ? kthread_stop+0x900/0x900
[  375.739242]  ret_from_fork+0x3a/0x50
[  375.742986] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  375.743054] aoe: skb alloc failure
[  375.749587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.749593] Call Trace:
[  375.749600]  <IRQ>
[  375.749625]  dump_stack+0x244/0x39d
[  375.749646]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.753196] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.762564]  warn_alloc.cold.116+0xb7/0x1bd
[  375.765134] ksoftirqd/0 cpuset=/ mems_allowed=0
[  375.767284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.800188]  ? lock_downgrade+0x900/0x900
[  375.804363]  ? trace_hardirqs_off+0xb8/0x310
[  375.808784]  ? trace_hardirqs_off+0xb8/0x310
[  375.813208]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.818086]  ? warn_alloc+0x120/0x120
[  375.821908]  ? print_usage_bug+0xc0/0xc0
[  375.825975]  ? warn_alloc+0x120/0x120
[  375.829789]  ? warn_alloc+0x120/0x120
[  375.833595]  ? print_usage_bug+0xc0/0xc0
[  375.837667]  ? kvm_clock_read+0x18/0x30
[  375.841645]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  375.846683]  ? print_usage_bug+0xc0/0xc0
[  375.850778]  ? __lock_acquire+0x62f/0x4c20
[  375.855028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.860566]  ? should_fail+0x22d/0xd01
[  375.864472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.869773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.874880]  ? __lock_acquire+0x62f/0x4c20
[  375.879128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.884238]  ? __lock_acquire+0x62f/0x4c20
[  375.888485]  ? should_fail+0x22d/0xd01
[  375.892395]  ? rcu_irq_exit+0x1a2/0x390
[  375.896388]  ? mark_held_locks+0x130/0x130
[  375.900638]  ? mark_held_locks+0x130/0x130
[  375.904906]  ? mark_held_locks+0xc7/0x130
[  375.909074]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  375.914094]  ? zap_class+0x640/0x640
[  375.917827]  ? print_usage_bug+0xc0/0xc0
[  375.921901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.927455]  ? check_preemption_disabled+0x48/0x280
[  375.932486]  ? __lock_is_held+0xb5/0x140
[  375.936563]  __alloc_pages_nodemask+0xa80/0xde0
[  375.941238]  ? zap_class+0x640/0x640
[  375.944991]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.950057]  ? find_held_lock+0x36/0x1c0
[  375.954137]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.958818]  ? lock_downgrade+0x900/0x900
[  375.962976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.968526]  cache_grow_begin+0xa5/0x8c0
[  375.972589]  ? do_raw_spin_unlock+0xa7/0x330
[  375.977020]  fallback_alloc+0x204/0x2e0
[  375.981007]  ____cache_alloc_node+0x1c7/0x1e0
[  375.985516]  kmem_cache_alloc_node+0xe3/0x730
[  375.990014]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.994269]  __alloc_skb+0x119/0x770
[  375.998009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.003298]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.007711]  ? lock_downgrade+0x900/0x900
[  376.011883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.017429]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.022898]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.028364]  ? addrconf_rs_timer+0x690/0x690
[  376.032790]  ndisc_alloc_skb+0x144/0x340
[  376.036859]  ndisc_send_rs+0x331/0x6e0
[  376.040766]  addrconf_rs_timer+0x314/0x690
[  376.045010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.049266]  call_timer_fn+0x272/0x920
[  376.053155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.057415]  ? process_timeout+0x40/0x40
[  376.061526]  ? mark_held_locks+0xc7/0x130
[  376.065691]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.070192]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.074696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.078947]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.083538]  ? trace_hardirqs_on+0xbd/0x310
[  376.087861]  ? kasan_check_read+0x11/0x20
[  376.092017]  ? __run_timers+0x7da/0xc70
[  376.095996]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.101113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.105361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.109598]  __run_timers+0x7e5/0xc70
[  376.113420]  ? timer_fixup_init+0x70/0x70
[  376.117578]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.122614]  ? zap_class+0x640/0x640
[  376.126338]  ? print_usage_bug+0xc0/0xc0
[  376.130434]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  376.135644]  ? find_held_lock+0x36/0x1c0
[  376.139719]  ? zap_class+0x640/0x640
[  376.143445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.149007]  ? check_preemption_disabled+0x48/0x280
[  376.154053]  ? __lock_is_held+0xb5/0x140
[  376.158149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.163699]  ? check_preemption_disabled+0x48/0x280
[  376.168729]  run_timer_softirq+0x52/0xb0
[  376.172794]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.177827]  __do_softirq+0x308/0xb7e
[  376.181645]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.186145]  ? lock_downgrade+0x900/0x900
[  376.190304]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.195421]  ? pvclock_read_flags+0x160/0x160
[  376.199925]  ? lapic_next_event+0x5a/0x90
[  376.204092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.209644]  ? kvm_clock_read+0x18/0x30
[  376.213630]  ? kvm_sched_clock_read+0x9/0x20
[  376.218047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.223588]  ? check_preemption_disabled+0x48/0x280
[  376.228630]  irq_exit+0x17f/0x1c0
[  376.232091]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.236936]  ? smp_reschedule_interrupt+0x109/0x650
[  376.241967]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.247867]  ? interrupt_entry+0xb5/0xc0
[  376.251938]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.256962]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.261984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.266845]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.271870]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.276915]  ? task_prio+0x50/0x50
[  376.280475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.286019]  ? check_preemption_disabled+0x48/0x280
[  376.291046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.295902]  apic_timer_interrupt+0xf/0x20
[  376.300157]  </IRQ>
[  376.302400] RIP: 0010:console_unlock+0x102f/0x1190
[  376.307339] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  376.326246] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  376.334139] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  376.341414] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  376.348687] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  376.355959] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  376.363229] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  376.370513]  ? netconsole_netdev_event+0x280/0x280
[  376.375456]  ? console_unlock+0x1026/0x1190
[  376.379892]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  376.384567]  ? vprintk_emit+0x846/0x990
[  376.388730]  ? lock_release+0xa00/0xa00
[  376.392710]  ? trace_hardirqs_on+0x20/0x310
[  376.397037]  ? vprintk_default+0x28/0x30
[  376.401102]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.406215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.411765]  vprintk_emit+0x391/0x990
[  376.415578]  ? wake_up_klogd+0x180/0x180
[  376.419657]  ? match_held_lock+0x8c1/0x8d0
[  376.423906]  ? mark_held_locks+0xc7/0x130
[  376.428066]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.432566]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.437598]  vprintk_default+0x28/0x30
[  376.441497]  vprintk_func+0x7e/0x181
[  376.445222]  printk+0xa7/0xcf
[  376.448333]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  376.453106]  ? _raw_spin_unlock_irq+0x60/0x80
[  376.457626]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  376.462918]  dump_header+0x7cc/0xf72
[  376.466654]  ? pagefault_out_of_memory+0x197/0x197
[  376.471596]  ? __lock_acquire+0x62f/0x4c20
[  376.475847]  ? percpu_ref_get_many+0x240/0x240
[  376.480437]  ? print_usage_bug+0xc0/0xc0
[  376.484512]  ? zap_class+0x640/0x640
[  376.488234]  ? print_usage_bug+0xc0/0xc0
[  376.492300]  ? zap_class+0x640/0x640
[  376.496023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.501569]  ? find_held_lock+0x36/0x1c0
[  376.505665]  ? mark_held_locks+0xc7/0x130
[  376.509827]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.514953]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.520072]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.524669]  ? trace_hardirqs_on+0xbd/0x310
[  376.529000]  ? kasan_check_read+0x11/0x20
[  376.533153]  ? ___ratelimit+0x3b4/0x672
[  376.537138]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.542247]  ? trace_hardirqs_on+0x310/0x310
[  376.546659]  ? lock_downgrade+0x900/0x900
[  376.550822]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.555930]  ? ___ratelimit+0x3b9/0x672
[  376.559914]  ? idr_get_free+0xf70/0xf70
[  376.563895]  ? find_held_lock+0x36/0x1c0
[  376.567973]  oom_kill_process.cold.27+0x10/0x903
[  376.572734]  ? zap_class+0x640/0x640
[  376.576457]  ? check_preemption_disabled+0x48/0x280
[  376.581484]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.586420]  ? kasan_check_read+0x11/0x20
[  376.590571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.595858]  ? oom_evaluate_task+0x540/0x540
[  376.600278]  ? find_held_lock+0x36/0x1c0
[  376.604358]  ? out_of_memory+0x974/0x1430
[  376.608516]  ? lock_downgrade+0x900/0x900
[  376.612668]  ? check_preemption_disabled+0x48/0x280
[  376.617696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.622633]  ? kasan_check_read+0x11/0x20
[  376.626785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.632092]  ? rcu_softirq_qs+0x20/0x20
[  376.636090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.641647]  ? oom_evaluate_task+0x302/0x540
[  376.646080]  out_of_memory+0xa84/0x1430
[  376.650076]  ? oom_killer_disable+0x3a0/0x3a0
[  376.654627]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  376.659562]  ? __ww_mutex_check_waiters+0x160/0x160
[  376.664596]  __alloc_pages_slowpath+0x2354/0x2e10
[  376.669485]  ? warn_alloc+0x120/0x120
[  376.673289]  ? mark_held_locks+0x130/0x130
[  376.677535]  ? find_get_entry+0xaae/0x1120
[  376.681786]  ? filemap_map_pages+0x1a20/0x1a20
[  376.686389]  ? zap_class+0x640/0x640
[  376.690121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.695671]  ? check_preemption_disabled+0x48/0x280
[  376.700706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.706257]  ? should_fail+0x22d/0xd01
[  376.710156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.715269]  ? zap_class+0x640/0x640
[  376.719015]  ? __lock_is_held+0xb5/0x140
[  376.723091]  ? mark_held_locks+0x130/0x130
[  376.727344]  ? lock_release+0xa00/0xa00
[  376.731322]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.736781]  ? xa_load+0x2ba/0x460
[  376.740332]  ? lock_downgrade+0x900/0x900
[  376.744494]  ? __might_sleep+0x95/0x190
[  376.748513]  __alloc_pages_nodemask+0xa80/0xde0
[  376.753200]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.758225]  ? __page_cache_alloc+0x191/0x5c0
[  376.762724]  ? xa_load+0x2e1/0x460
[  376.766279]  ? xa_clear_mark+0x40/0x40
[  376.770177]  ? zap_class+0x640/0x640
[  376.773915]  ? zap_class+0x640/0x640
[  376.777634]  ? zap_class+0x640/0x640
[  376.781352]  ? __do_page_cache_readahead+0x663/0x810
[  376.786506]  ? find_held_lock+0x36/0x1c0
[  376.790590]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  376.796155]  alloc_pages_current+0x173/0x350
[  376.800577]  __page_cache_alloc+0x38c/0x5c0
[  376.804907]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.809856]  ? kasan_check_read+0x11/0x20
[  376.814008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.819301]  ? generic_perform_write+0x6a0/0x6a0
[  376.824079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.829630]  ? check_preemption_disabled+0x48/0x280
[  376.834689]  filemap_fault+0x1595/0x25f0
[  376.838791]  ? __lock_page_or_retry+0xa00/0xa00
[  376.843477]  ? mark_held_locks+0x130/0x130
[  376.847723]  ? filemap_map_pages+0xd6b/0x1a20
[  376.852226]  ? lock_downgrade+0x900/0x900
[  376.856378]  ? check_preemption_disabled+0x48/0x280
[  376.861401]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.866334]  ? kasan_check_read+0x11/0x20
[  376.870491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.875773]  ? rcu_softirq_qs+0x20/0x20
[  376.879785]  ? filemap_map_pages+0xd92/0x1a20
[  376.884313]  ? find_get_entries_tag+0x1400/0x1400
[  376.889181]  ? debug_object_destroy+0x2b0/0x2b0
[  376.893854]  ? lock_pi_update_atomic+0x150/0x150
[  376.898621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.904180]  ? lock_acquire+0x1ed/0x520
[  376.908168]  ? ext4_filemap_fault+0x7a/0xad
[  376.912503]  ? lock_release+0xa00/0xa00
[  376.916488]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.921951]  ? print_usage_bug+0xc0/0xc0
[  376.926020]  ? print_usage_bug+0xc0/0xc0
[  376.930107]  ? down_read+0x8d/0x120
[  376.933741]  ? ext4_filemap_fault+0x7a/0xad
[  376.938081]  ? __down_interruptible+0x700/0x700
[  376.942812]  ext4_filemap_fault+0x82/0xad
[  376.946980]  __do_fault+0x100/0x6b0
[  376.950643]  ? pmd_devmap_trans_unstable+0x220/0x220
[  376.955756]  ? mark_held_locks+0x130/0x130
[  376.959998]  ? mark_held_locks+0x130/0x130
[  376.964240]  ? debug_smp_processor_id+0x1c/0x20
[  376.968913]  ? perf_trace_lock+0x14d/0x7a0
[  376.973174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.978727]  __handle_mm_fault+0x3ea6/0x5be0
[  376.983151]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  376.988014]  ? lock_is_held_type+0x210/0x210
[  376.992437]  ? ksys_dup3+0x680/0x680
[  376.996183]  ? zap_class+0x640/0x640
[  376.999915]  ? zap_class+0x640/0x640
[  377.003634]  ? __x64_sys_futex+0x53e/0x6a0
[  377.007892]  ? find_held_lock+0x36/0x1c0
[  377.011973]  ? handle_mm_fault+0x42a/0xc70
[  377.016214]  ? lock_downgrade+0x900/0x900
[  377.020376]  ? check_preemption_disabled+0x48/0x280
[  377.025403]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.030340]  ? kasan_check_read+0x11/0x20
[  377.034490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.039785]  ? rcu_softirq_qs+0x20/0x20
[  377.043764]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.048888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.054435]  ? check_preemption_disabled+0x48/0x280
[  377.059467]  handle_mm_fault+0x54f/0xc70
[  377.063541]  ? __handle_mm_fault+0x5be0/0x5be0
[  377.068152]  ? find_vma+0x34/0x190
[  377.071704]  __do_page_fault+0x5e8/0xe60
[  377.075767]  ? trace_hardirqs_off+0xb8/0x310
[  377.080205]  do_page_fault+0xf2/0x7e0
[  377.084028]  ? vmalloc_sync_all+0x30/0x30
[  377.088183]  ? error_entry+0x70/0xd0
[  377.091942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.097047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.101995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.106929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.111781]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.116843]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.122330]  ? prepare_exit_to_usermode+0x291/0x3b0
[  377.127354]  ? page_fault+0x8/0x30
[  377.130902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.135755]  ? page_fault+0x8/0x30
[  377.139303]  page_fault+0x1e/0x30
[  377.142759] RIP: 0033:0x40f9c0
[  377.145976] Code: Bad RIP value.
[  377.149339] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  377.154702] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  377.161990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  377.169261] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  377.176565] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  377.183834] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  377.191151] warn_alloc_show_mem: 1 callbacks suppressed
[  377.191163] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  377.191165] Mem-Info:
[  377.191197] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  377.191197]  active_file:15 inactive_file:12 isolated_file:0
[  377.191197]  unevictable:0 dirty:0 writeback:0 unstable:0
[  377.191197]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  377.191197]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  377.191197]  free:13790 free_pcp:473 free_cma:0
[  377.196545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.202959] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  377.205367] Call Trace:
[  377.238409] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  377.247774]  dump_stack+0x244/0x39d
[  377.275419] lowmem_reserve[]: 0 2818 6321 6321
[  377.278043]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.304129] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  377.307768]  warn_alloc.cold.116+0xb7/0x1bd
[  377.312319] lowmem_reserve[]: 0 0 3503 3503
[  377.317509]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.344987] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  377.349311]  ? lock_downgrade+0x900/0x900
[  377.353615] lowmem_reserve[]: 0 0 0 0
[  377.358455]  ? trace_hardirqs_off+0xb8/0x310
[  377.387597] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  377.391749]  ? trace_hardirqs_off+0xb8/0x310
[  377.395529] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  377.399952]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.413453] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  377.417885]  ? warn_alloc+0x120/0x120
[  377.433193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.438026]  ? warn_alloc+0x120/0x120
[  377.453359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.457151]  ? warn_alloc+0x120/0x120
[  377.465967] 2571 total pagecache pages
[  377.469775]  ? print_usage_bug+0xc0/0xc0
[  377.478336] 0 pages in swap cache
[  377.482140]  ? print_usage_bug+0xc0/0xc0
[  377.486013] Swap cache stats: add 0, delete 0, find 0/0
[  377.490084]  ? mark_held_locks+0x130/0x130
[  377.493531] Free swap  = 0kB
[  377.497588]  ? mark_held_locks+0x130/0x130
[  377.502947] Total swap = 0kB
[  377.507180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.510180] 1965979 pages RAM
[  377.514412]  ? should_fail+0x22d/0xd01
[  377.517412] 0 pages HighMem/MovableOnly
[  377.522950]  ? zap_class+0x640/0x640
[  377.526034] 342855 pages reserved
[  377.529919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.533871] 0 pages cma reserved
[  377.537580]  ? __lock_acquire+0x62f/0x4c20
[  377.541079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.546127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.546145]  ? __lock_acquire+0x62f/0x4c20
[  377.549547] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.553735]  ? should_fail+0x22d/0xd01
[  377.560209] syz-fuzzer cpuset=/ mems_allowed=0
[  377.565317]  ? mark_held_locks+0x130/0x130
[  377.592408]  ? mark_held_locks+0x130/0x130
[  377.596647]  ? lock_downgrade+0x900/0x900
[  377.600797]  ? zap_class+0x640/0x640
[  377.604515]  ? zap_class+0x640/0x640
[  377.608233]  ? zap_class+0x640/0x640
[  377.611945]  ? do_raw_spin_unlock+0xa7/0x330
[  377.616357]  ? trace_hardirqs_on+0x310/0x310
[  377.620790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.626337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.631878]  ? check_preemption_disabled+0x48/0x280
[  377.636906]  ? __lock_is_held+0xb5/0x140
[  377.640980]  __alloc_pages_nodemask+0xa80/0xde0
[  377.645696]  ? zap_class+0x640/0x640
[  377.649442]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.654471]  ? find_held_lock+0x36/0x1c0
[  377.658606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.663285]  ? lock_downgrade+0x900/0x900
[  377.667450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.672996]  cache_grow_begin+0xa5/0x8c0
[  377.677063]  ? do_raw_spin_unlock+0xa7/0x330
[  377.681488]  fallback_alloc+0x204/0x2e0
[  377.685475]  ____cache_alloc_node+0x1c7/0x1e0
[  377.689983]  kmem_cache_alloc_node+0xe3/0x730
[  377.694485]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.699080]  __alloc_skb+0x119/0x770
[  377.702824]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  377.708197]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.712615]  ? vprintk_default+0x28/0x30
[  377.716694]  ? vprintk_func+0x85/0x181
[  377.720601]  ? printk+0xa7/0xcf
[  377.723882]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  377.728664]  new_skb+0x26/0x1c0
[  377.731957]  aoecmd_cfg+0x279/0x7f0
[  377.735587]  ? find_held_lock+0x36/0x1c0
[  377.739654]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  377.744008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.749565]  ? __lock_is_held+0xb5/0x140
[  377.753639]  discover_timer+0x50/0x60
[  377.757445]  call_timer_fn+0x272/0x920
[  377.761335]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  377.766182]  ? process_timeout+0x40/0x40
[  377.770255]  ? __run_timers+0x7da/0xc70
[  377.774235]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.778735]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.783233]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  377.788093]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.792720]  ? trace_hardirqs_on+0xbd/0x310
[  377.797044]  ? kasan_check_read+0x11/0x20
[  377.801192]  ? __run_timers+0x7da/0xc70
[  377.805185]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.810309]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  377.815170]  __run_timers+0x7e5/0xc70
[  377.818985]  ? timer_fixup_init+0x70/0x70
[  377.823146]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.827666]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.832187]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.836774]  ? trace_hardirqs_on+0xbd/0x310
[  377.841138]  ? kasan_check_read+0x11/0x20
[  377.845315]  ? finish_task_switch+0x1f4/0x910
[  377.849815]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.854959]  ? compat_start_thread+0x80/0x80
[  377.859403]  ? pvclock_read_flags+0x160/0x160
[  377.863901]  ? __switch_to_asm+0x34/0x70
[  377.867968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.873509]  ? check_preemption_disabled+0x48/0x280
[  377.878539]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  377.884081]  ? rcu_pm_notify+0xc0/0xc0
[  377.887981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.893532]  ? check_preemption_disabled+0x48/0x280
[  377.898559]  run_timer_softirq+0x52/0xb0
[  377.902622]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.907639]  __do_softirq+0x308/0xb7e
[  377.911448]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.916382]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.921535]  ? schedule+0x108/0x460
[  377.925181]  ? trace_hardirqs_off+0xb8/0x310
[  377.929593]  ? smpboot_thread_fn+0x68b/0xa00
[  377.934004]  ? trace_hardirqs_on+0x310/0x310
[  377.938416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.943959]  ? check_preemption_disabled+0x48/0x280
[  377.948977]  ? takeover_tasklets+0xa90/0xa90
[  377.953389]  run_ksoftirqd+0x5e/0x100
[  377.957191]  smpboot_thread_fn+0x68b/0xa00
[  377.961434]  ? sort_range+0x30/0x30
[  377.965076]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.970209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.975766]  ? __kthread_parkme+0xfb/0x1a0
[  377.980004]  ? sort_range+0x30/0x30
[  377.983628]  kthread+0x35a/0x440
[  377.987004]  ? kthread_stop+0x900/0x900
[  377.991000]  ret_from_fork+0x3a/0x50
[  377.994737] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  377.994813] aoe: skb alloc failure
[  378.001322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.001331] Call Trace:
[  378.004950] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.014209]  <IRQ>
[  378.016787] ksoftirqd/0 cpuset=/ mems_allowed=0
[  378.027095]  dump_stack+0x244/0x39d
[  378.037517]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.042722]  warn_alloc.cold.116+0xb7/0x1bd
[  378.047051]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.051898]  ? lock_downgrade+0x900/0x900
[  378.056055]  ? trace_hardirqs_off+0xb8/0x310
[  378.060511]  ? trace_hardirqs_off+0xb8/0x310
[  378.064939]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.069810]  ? warn_alloc+0x120/0x120
[  378.073631]  ? print_usage_bug+0xc0/0xc0
[  378.077696]  ? warn_alloc+0x120/0x120
[  378.081503]  ? warn_alloc+0x120/0x120
[  378.085310]  ? print_usage_bug+0xc0/0xc0
[  378.089377]  ? print_usage_bug+0xc0/0xc0
[  378.093441]  ? __lock_acquire+0x62f/0x4c20
[  378.097685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.103232]  ? should_fail+0x22d/0xd01
[  378.107128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.112235]  ? __lock_acquire+0x62f/0x4c20
[  378.116477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.121582]  ? __lock_acquire+0x62f/0x4c20
[  378.125819]  ? should_fail+0x22d/0xd01
[  378.129733]  ? find_held_lock+0x36/0x1c0
[  378.133820]  ? mark_held_locks+0x130/0x130
[  378.138060]  ? mark_held_locks+0x130/0x130
[  378.142296]  ? zap_class+0x640/0x640
[  378.146014]  ? zap_class+0x640/0x640
[  378.149749]  ? print_usage_bug+0xc0/0xc0
[  378.153827]  ? do_raw_spin_unlock+0xa7/0x330
[  378.158242]  ? zap_class+0x640/0x640
[  378.161961]  ? print_usage_bug+0xc0/0xc0
[  378.166025]  ? wq_watchdog_touch+0x9c/0xfe
[  378.170265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.175806]  ? check_preemption_disabled+0x48/0x280
[  378.180833]  ? __lock_is_held+0xb5/0x140
[  378.184904]  __alloc_pages_nodemask+0xa80/0xde0
[  378.189575]  ? zap_class+0x640/0x640
[  378.193315]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.198346]  ? find_held_lock+0x36/0x1c0
[  378.202432]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.207105]  ? lock_downgrade+0x900/0x900
[  378.211266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.216809]  cache_grow_begin+0xa5/0x8c0
[  378.220895]  ? do_raw_spin_unlock+0xa7/0x330
[  378.225341]  fallback_alloc+0x204/0x2e0
[  378.229359]  ____cache_alloc_node+0x1c7/0x1e0
[  378.233863]  kmem_cache_alloc_node+0xe3/0x730
[  378.238374]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.242642]  __alloc_skb+0x119/0x770
[  378.246358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.251643]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.256053]  ? lock_downgrade+0x900/0x900
[  378.260214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.265754]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.271213]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.276669]  ? addrconf_rs_timer+0x690/0x690
[  378.281094]  ndisc_alloc_skb+0x144/0x340
[  378.285175]  ndisc_send_rs+0x331/0x6e0
[  378.289068]  addrconf_rs_timer+0x314/0x690
[  378.293315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.297567]  call_timer_fn+0x272/0x920
[  378.301475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.305715]  ? process_timeout+0x40/0x40
[  378.309804]  ? mark_held_locks+0xc7/0x130
[  378.313959]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.318473]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.322971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.327210]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.332075]  ? trace_hardirqs_on+0xbd/0x310
[  378.336398]  ? kasan_check_read+0x11/0x20
[  378.340545]  ? __run_timers+0x7da/0xc70
[  378.344524]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.349645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.353899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.358152]  __run_timers+0x7e5/0xc70
[  378.361969]  ? timer_fixup_init+0x70/0x70
[  378.366155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.371179]  ? zap_class+0x640/0x640
[  378.374924]  ? print_usage_bug+0xc0/0xc0
[  378.379019]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.384225]  ? find_held_lock+0x36/0x1c0
[  378.388298]  ? zap_class+0x640/0x640
[  378.392023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.397567]  ? check_preemption_disabled+0x48/0x280
[  378.402598]  ? __lock_is_held+0xb5/0x140
[  378.406669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.412209]  ? check_preemption_disabled+0x48/0x280
[  378.417235]  run_timer_softirq+0x52/0xb0
[  378.421298]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.426323]  __do_softirq+0x308/0xb7e
[  378.430145]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.434651]  ? lock_downgrade+0x900/0x900
[  378.439298]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.444414]  ? pvclock_read_flags+0x160/0x160
[  378.448918]  ? lapic_next_event+0x5a/0x90
[  378.453073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.458661]  ? kvm_clock_read+0x18/0x30
[  378.462646]  ? kvm_sched_clock_read+0x9/0x20
[  378.467060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.472602]  ? check_preemption_disabled+0x48/0x280
[  378.477669]  irq_exit+0x17f/0x1c0
[  378.481135]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.485980]  ? smp_reschedule_interrupt+0x109/0x650
[  378.491019]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.496907]  ? interrupt_entry+0xb5/0xc0
[  378.500977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.506001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.511022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.515880]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.520903]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.525934]  ? task_prio+0x50/0x50
[  378.529483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.535026]  ? check_preemption_disabled+0x48/0x280
[  378.540140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.544999]  apic_timer_interrupt+0xf/0x20
[  378.549228]  </IRQ>
[  378.551469] RIP: 0010:console_unlock+0x102f/0x1190
[  378.556404] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  378.575308] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  378.583020] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  378.590290] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  378.597572] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  378.604870] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  378.612139] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  378.619420]  ? netconsole_netdev_event+0x280/0x280
[  378.624359]  ? console_unlock+0x1026/0x1190
[  378.628709]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  378.633380]  ? vprintk_emit+0x846/0x990
[  378.637361]  ? lock_release+0xa00/0xa00
[  378.641340]  ? trace_hardirqs_on+0x20/0x310
[  378.645679]  ? vprintk_default+0x28/0x30
[  378.649772]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.654878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.660427]  vprintk_emit+0x391/0x990
[  378.664258]  ? wake_up_klogd+0x180/0x180
[  378.668330]  ? match_held_lock+0x8c1/0x8d0
[  378.672579]  ? mark_held_locks+0xc7/0x130
[  378.676739]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.681241]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.685745]  vprintk_default+0x28/0x30
[  378.689645]  vprintk_func+0x7e/0x181
[  378.693364]  printk+0xa7/0xcf
[  378.696477]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  378.701245]  ? _raw_spin_unlock_irq+0x60/0x80
[  378.705772]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  378.711060]  dump_header+0x7cc/0xf72
[  378.714791]  ? pagefault_out_of_memory+0x197/0x197
[  378.719723]  ? __lock_acquire+0x62f/0x4c20
[  378.723954]  ? percpu_ref_get_many+0x240/0x240
[  378.728583]  ? print_usage_bug+0xc0/0xc0
[  378.732674]  ? zap_class+0x640/0x640
[  378.736393]  ? print_usage_bug+0xc0/0xc0
[  378.740461]  ? zap_class+0x640/0x640
[  378.744200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.749779]  ? find_held_lock+0x36/0x1c0
[  378.753891]  ? mark_held_locks+0xc7/0x130
[  378.758059]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.763170]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.768291]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.772891]  ? trace_hardirqs_on+0xbd/0x310
[  378.777229]  ? kasan_check_read+0x11/0x20
[  378.781404]  ? ___ratelimit+0x3b4/0x672
[  378.785383]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.790490]  ? trace_hardirqs_on+0x310/0x310
[  378.794929]  ? lock_downgrade+0x900/0x900
[  378.799088]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.804207]  ? ___ratelimit+0x3b9/0x672
[  378.808185]  ? idr_get_free+0xf70/0xf70
[  378.812161]  ? find_held_lock+0x36/0x1c0
[  378.816233]  oom_kill_process.cold.27+0x10/0x903
[  378.820991]  ? zap_class+0x640/0x640
[  378.824720]  ? check_preemption_disabled+0x48/0x280
[  378.829742]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.834672]  ? kasan_check_read+0x11/0x20
[  378.838825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.844123]  ? oom_evaluate_task+0x540/0x540
[  378.848566]  ? find_held_lock+0x36/0x1c0
[  378.852641]  ? out_of_memory+0x974/0x1430
[  378.856795]  ? lock_downgrade+0x900/0x900
[  378.860962]  ? check_preemption_disabled+0x48/0x280
[  378.865982]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.870914]  ? kasan_check_read+0x11/0x20
[  378.875082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.880383]  ? rcu_softirq_qs+0x20/0x20
[  378.884363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.889902]  ? oom_evaluate_task+0x302/0x540
[  378.894316]  out_of_memory+0xa84/0x1430
[  378.898320]  ? oom_killer_disable+0x3a0/0x3a0
[  378.902819]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  378.907770]  ? __ww_mutex_check_waiters+0x160/0x160
[  378.912813]  __alloc_pages_slowpath+0x2354/0x2e10
[  378.917697]  ? warn_alloc+0x120/0x120
[  378.921505]  ? mark_held_locks+0x130/0x130
[  378.925759]  ? find_get_entry+0xaae/0x1120
[  378.930010]  ? filemap_map_pages+0x1a20/0x1a20
[  378.934600]  ? zap_class+0x640/0x640
[  378.938331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.943873]  ? check_preemption_disabled+0x48/0x280
[  378.948892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.954434]  ? should_fail+0x22d/0xd01
[  378.958331]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.963439]  ? zap_class+0x640/0x640
[  378.967183]  ? __lock_is_held+0xb5/0x140
[  378.971271]  ? mark_held_locks+0x130/0x130
[  378.975516]  ? lock_release+0xa00/0xa00
[  378.979494]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.984958]  ? xa_load+0x2ba/0x460
[  378.988515]  ? lock_downgrade+0x900/0x900
[  378.992672]  ? __might_sleep+0x95/0x190
[  378.996658]  __alloc_pages_nodemask+0xa80/0xde0
[  379.001338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.006359]  ? __page_cache_alloc+0x191/0x5c0
[  379.010870]  ? xa_load+0x2e1/0x460
[  379.014416]  ? xa_clear_mark+0x40/0x40
[  379.018321]  ? zap_class+0x640/0x640
[  379.022048]  ? zap_class+0x640/0x640
[  379.025765]  ? zap_class+0x640/0x640
[  379.029494]  ? __do_page_cache_readahead+0x663/0x810
[  379.034604]  ? find_held_lock+0x36/0x1c0
[  379.038703]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  379.044253]  alloc_pages_current+0x173/0x350
[  379.048674]  __page_cache_alloc+0x38c/0x5c0
[  379.052995]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.057940]  ? kasan_check_read+0x11/0x20
[  379.062088]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.067379]  ? generic_perform_write+0x6a0/0x6a0
[  379.072143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.077684]  ? check_preemption_disabled+0x48/0x280
[  379.082713]  filemap_fault+0x1595/0x25f0
[  379.086793]  ? __lock_page_or_retry+0xa00/0xa00
[  379.091480]  ? mark_held_locks+0x130/0x130
[  379.095726]  ? filemap_map_pages+0xd6b/0x1a20
[  379.100228]  ? lock_downgrade+0x900/0x900
[  379.104379]  ? check_preemption_disabled+0x48/0x280
[  379.109411]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.114341]  ? kasan_check_read+0x11/0x20
[  379.118505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.123783]  ? rcu_softirq_qs+0x20/0x20
[  379.127787]  ? filemap_map_pages+0xd92/0x1a20
[  379.132303]  ? find_get_entries_tag+0x1400/0x1400
[  379.137151]  ? debug_object_destroy+0x2b0/0x2b0
[  379.141823]  ? lock_pi_update_atomic+0x150/0x150
[  379.146579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.152145]  ? lock_acquire+0x1ed/0x520
[  379.156131]  ? ext4_filemap_fault+0x7a/0xad
[  379.160495]  ? lock_release+0xa00/0xa00
[  379.164486]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.169952]  ? print_usage_bug+0xc0/0xc0
[  379.174030]  ? print_usage_bug+0xc0/0xc0
[  379.178114]  ? down_read+0x8d/0x120
[  379.181742]  ? ext4_filemap_fault+0x7a/0xad
[  379.186067]  ? __down_interruptible+0x700/0x700
[  379.190765]  ext4_filemap_fault+0x82/0xad
[  379.194916]  __do_fault+0x100/0x6b0
[  379.198564]  ? pmd_devmap_trans_unstable+0x220/0x220
[  379.203684]  ? mark_held_locks+0x130/0x130
[  379.207920]  ? mark_held_locks+0x130/0x130
[  379.212160]  ? debug_smp_processor_id+0x1c/0x20
[  379.216832]  ? perf_trace_lock+0x14d/0x7a0
[  379.221080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.226656]  __handle_mm_fault+0x3ea6/0x5be0
[  379.231079]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  379.235944]  ? lock_is_held_type+0x210/0x210
[  379.240365]  ? ksys_dup3+0x680/0x680
[  379.244106]  ? zap_class+0x640/0x640
[  379.247827]  ? zap_class+0x640/0x640
[  379.251555]  ? __x64_sys_futex+0x53e/0x6a0
[  379.255802]  ? find_held_lock+0x36/0x1c0
[  379.259882]  ? handle_mm_fault+0x42a/0xc70
[  379.264137]  ? lock_downgrade+0x900/0x900
[  379.268300]  ? check_preemption_disabled+0x48/0x280
[  379.273355]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.278304]  ? kasan_check_read+0x11/0x20
[  379.282472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.287758]  ? rcu_softirq_qs+0x20/0x20
[  379.291737]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.296849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.302397]  ? check_preemption_disabled+0x48/0x280
[  379.307426]  handle_mm_fault+0x54f/0xc70
[  379.311515]  ? __handle_mm_fault+0x5be0/0x5be0
[  379.316119]  ? find_vma+0x34/0x190
[  379.319688]  __do_page_fault+0x5e8/0xe60
[  379.323756]  ? trace_hardirqs_off+0xb8/0x310
[  379.328186]  do_page_fault+0xf2/0x7e0
[  379.331993]  ? vmalloc_sync_all+0x30/0x30
[  379.336145]  ? error_entry+0x70/0xd0
[  379.339889]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.344913]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.349846]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.354780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.359659]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.364685]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.370146]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.375168]  ? page_fault+0x8/0x30
[  379.378720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.383574]  ? page_fault+0x8/0x30
[  379.387125]  page_fault+0x1e/0x30
[  379.390582] RIP: 0033:0x40f9c0
[  379.393798] Code: Bad RIP value.
[  379.397166] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  379.402530] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  379.409798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  379.417068] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  379.424339] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  379.431617] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  379.438922] warn_alloc_show_mem: 1 callbacks suppressed
[  379.438934] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  379.438936] Mem-Info:
[  379.438968] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  379.438968]  active_file:15 inactive_file:12 isolated_file:0
[  379.438968]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.438968]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  379.438968]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  379.438968]  free:13790 free_pcp:473 free_cma:0
[  379.444314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.444324] Call Trace:
[  379.450747] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.453170]  dump_stack+0x244/0x39d
[  379.486202] 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
[  379.495571]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.498128] lowmem_reserve[]: 0 2818 6321 6321
[  379.525813]  warn_alloc.cold.116+0xb7/0x1bd
[  379.529410] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  379.555532]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.560796] lowmem_reserve[]: 0 0 3503 3503
[  379.565392]  ? lock_downgrade+0x900/0x900
[  379.569696] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  379.597215]  ? trace_hardirqs_off+0xb8/0x310
[  379.602035] lowmem_reserve[]: 0 0 0 0
[  379.606361]  ? trace_hardirqs_off+0xb8/0x310
[  379.610488] 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
[  379.639648]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.644029] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  379.647859]  ? warn_alloc+0x120/0x120
[  379.652226] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  379.665749]  ? warn_alloc+0x120/0x120
[  379.670580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.685922]  ? warn_alloc+0x120/0x120
[  379.689710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.705051]  ? warn_alloc+0x120/0x120
[  379.708834] 2571 total pagecache pages
[  379.717669]  ? mark_held_locks+0x130/0x130
[  379.721456] 0 pages in swap cache
[  379.730023]  ? print_usage_bug+0xc0/0xc0
[  379.733810] Swap cache stats: add 0, delete 0, find 0/0
[  379.737692]  ? mark_held_locks+0x130/0x130
[  379.741907] Free swap  = 0kB
[  379.745359]  ? print_usage_bug+0xc0/0xc0
[  379.749399] Total swap = 0kB
[  379.754763]  ? zap_class+0x640/0x640
[  379.758978] 1965979 pages RAM
[  379.761995]  ? put_dec+0x3b/0xf0
[  379.766037] 0 pages HighMem/MovableOnly
[  379.769064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.772759] 342855 pages reserved
[  379.775865]  ? should_fail+0x22d/0xd01
[  379.779210] 0 pages cma reserved
[  379.783184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.788783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.792181]  ? __lock_acquire+0x62f/0x4c20
[  379.796144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.799417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.804503] syz-fuzzer cpuset=/ mems_allowed=0
[  379.810995]  ? __lock_acquire+0x62f/0x4c20
[  379.839319]  ? should_fail+0x22d/0xd01
[  379.843227]  ? mark_held_locks+0x130/0x130
[  379.847473]  ? mark_held_locks+0x130/0x130
[  379.851714]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  379.856477]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.861063]  ? zap_class+0x640/0x640
[  379.864806]  ? print_usage_bug+0xc0/0xc0
[  379.868870]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  379.873635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.879183]  ? check_preemption_disabled+0x48/0x280
[  379.884217]  ? __lock_is_held+0xb5/0x140
[  379.888294]  __alloc_pages_nodemask+0xa80/0xde0
[  379.892970]  ? zap_class+0x640/0x640
[  379.896698]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.901736]  ? find_held_lock+0x36/0x1c0
[  379.905812]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.910490]  ? lock_downgrade+0x900/0x900
[  379.914652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.920203]  cache_grow_begin+0xa5/0x8c0
[  379.924270]  ? do_raw_spin_unlock+0xa7/0x330
[  379.928694]  fallback_alloc+0x204/0x2e0
[  379.932685]  ____cache_alloc_node+0x1c7/0x1e0
[  379.937193]  kmem_cache_alloc_node+0xe3/0x730
[  379.941694]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.945950]  __alloc_skb+0x119/0x770
[  379.949670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.954956]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.959371]  ? lock_downgrade+0x900/0x900
[  379.963536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.969079]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.974553]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.980008]  ? addrconf_rs_timer+0x690/0x690
[  379.984439]  ndisc_alloc_skb+0x144/0x340
[  379.988512]  ndisc_send_rs+0x331/0x6e0
[  379.992417]  addrconf_rs_timer+0x314/0x690
[  379.996674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.000928]  call_timer_fn+0x272/0x920
[  380.004816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.009058]  ? process_timeout+0x40/0x40
[  380.013142]  ? __run_timers+0x7da/0xc70
[  380.017135]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.021638]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.026138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.030382]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.034971]  ? trace_hardirqs_on+0xbd/0x310
[  380.039300]  ? kasan_check_read+0x11/0x20
[  380.043450]  ? __run_timers+0x7da/0xc70
[  380.047436]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.052548]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  380.057403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.061640]  __run_timers+0x7e5/0xc70
[  380.065460]  ? timer_fixup_init+0x70/0x70
[  380.069614]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.074129]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.078632]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.083223]  ? trace_hardirqs_on+0xbd/0x310
[  380.087557]  ? kasan_check_read+0x11/0x20
[  380.091714]  ? finish_task_switch+0x1f4/0x910
[  380.096218]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.101328]  ? compat_start_thread+0x80/0x80
[  380.105766]  ? pvclock_read_flags+0x160/0x160
[  380.110268]  ? __switch_to_asm+0x34/0x70
[  380.114336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.119883]  ? check_preemption_disabled+0x48/0x280
[  380.124915]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  380.130460]  ? rcu_pm_notify+0xc0/0xc0
[  380.134353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.139899]  ? check_preemption_disabled+0x48/0x280
[  380.144928]  run_timer_softirq+0x52/0xb0
[  380.148993]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.154020]  __do_softirq+0x308/0xb7e
[  380.157848]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.162788]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.167903]  ? schedule+0x108/0x460
[  380.171549]  ? trace_hardirqs_off+0xb8/0x310
[  380.175970]  ? smpboot_thread_fn+0x68b/0xa00
[  380.180386]  ? trace_hardirqs_on+0x310/0x310
[  380.184802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.190349]  ? check_preemption_disabled+0x48/0x280
[  380.195374]  ? takeover_tasklets+0xa90/0xa90
[  380.199791]  run_ksoftirqd+0x5e/0x100
[  380.203599]  smpboot_thread_fn+0x68b/0xa00
[  380.207844]  ? sort_range+0x30/0x30
[  380.211482]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.216592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.222140]  ? __kthread_parkme+0xfb/0x1a0
[  380.226384]  ? sort_range+0x30/0x30
[  380.230014]  kthread+0x35a/0x440
[  380.233387]  ? kthread_stop+0x900/0x900
[  380.237372]  ret_from_fork+0x3a/0x50
[  380.241128] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  380.241203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.247718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.247724] Call Trace:
[  380.247731]  <IRQ>
[  380.247750]  dump_stack+0x244/0x39d
[  380.247770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.254299] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.263622]  warn_alloc.cold.116+0xb7/0x1bd
[  380.266176] ksoftirqd/0 cpuset=/ mems_allowed=0
[  380.268334]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.301241]  ? lock_downgrade+0x900/0x900
[  380.305417]  ? trace_hardirqs_off+0xb8/0x310
[  380.309839]  ? trace_hardirqs_off+0xb8/0x310
[  380.314264]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.319142]  ? warn_alloc+0x120/0x120
[  380.322956]  ? print_usage_bug+0xc0/0xc0
[  380.327023]  ? warn_alloc+0x120/0x120
[  380.331008]  ? warn_alloc+0x120/0x120
[  380.334820]  ? print_usage_bug+0xc0/0xc0
[  380.338884]  ? kvm_clock_read+0x18/0x30
[  380.342862]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  380.347898]  ? print_usage_bug+0xc0/0xc0
[  380.351962]  ? __lock_acquire+0x62f/0x4c20
[  380.356205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.361833]  ? should_fail+0x22d/0xd01
[  380.365768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.371064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.376180]  ? __lock_acquire+0x62f/0x4c20
[  380.380428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.385534]  ? __lock_acquire+0x62f/0x4c20
[  380.389774]  ? should_fail+0x22d/0xd01
[  380.393662]  ? rcu_irq_exit+0x1a2/0x390
[  380.397652]  ? mark_held_locks+0x130/0x130
[  380.401917]  ? mark_held_locks+0x130/0x130
[  380.406184]  ? mark_held_locks+0xc7/0x130
[  380.410340]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  380.415360]  ? zap_class+0x640/0x640
[  380.419108]  ? print_usage_bug+0xc0/0xc0
[  380.423191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.428734]  ? check_preemption_disabled+0x48/0x280
[  380.433762]  ? __lock_is_held+0xb5/0x140
[  380.438303]  __alloc_pages_nodemask+0xa80/0xde0
[  380.442980]  ? zap_class+0x640/0x640
[  380.446706]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.451737]  ? find_held_lock+0x36/0x1c0
[  380.455815]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.460492]  ? lock_downgrade+0x900/0x900
[  380.464665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.470211]  cache_grow_begin+0xa5/0x8c0
[  380.474278]  ? do_raw_spin_unlock+0xa7/0x330
[  380.478702]  fallback_alloc+0x204/0x2e0
[  380.482692]  ____cache_alloc_node+0x1c7/0x1e0
[  380.487200]  kmem_cache_alloc_node+0xe3/0x730
[  380.491699]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.495950]  __alloc_skb+0x119/0x770
[  380.499668]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.504952]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.509363]  ? lock_downgrade+0x900/0x900
[  380.513524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.519066]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.524533]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.529989]  ? addrconf_rs_timer+0x690/0x690
[  380.534413]  ndisc_alloc_skb+0x144/0x340
[  380.538483]  ndisc_send_rs+0x331/0x6e0
[  380.542377]  addrconf_rs_timer+0x314/0x690
[  380.546639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.550893]  call_timer_fn+0x272/0x920
[  380.554787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.559027]  ? process_timeout+0x40/0x40
[  380.563110]  ? mark_held_locks+0xc7/0x130
[  380.567269]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.571767]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.576262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.580503]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.585091]  ? trace_hardirqs_on+0xbd/0x310
[  380.589430]  ? kasan_check_read+0x11/0x20
[  380.593580]  ? __run_timers+0x7da/0xc70
[  380.597582]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.602703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.606947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.611186]  __run_timers+0x7e5/0xc70
[  380.614999]  ? timer_fixup_init+0x70/0x70
[  380.619176]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.624200]  ? zap_class+0x640/0x640
[  380.627926]  ? print_usage_bug+0xc0/0xc0
[  380.631995]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.637199]  ? find_held_lock+0x36/0x1c0
[  380.641270]  ? zap_class+0x640/0x640
[  380.644995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.650536]  ? check_preemption_disabled+0x48/0x280
[  380.655566]  ? __lock_is_held+0xb5/0x140
[  380.659635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.665183]  ? check_preemption_disabled+0x48/0x280
[  380.670210]  run_timer_softirq+0x52/0xb0
[  380.674276]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.679295]  __do_softirq+0x308/0xb7e
[  380.683114]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.687645]  ? lock_downgrade+0x900/0x900
[  380.691802]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.696919]  ? pvclock_read_flags+0x160/0x160
[  380.701421]  ? lapic_next_event+0x5a/0x90
[  380.705576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.711135]  ? kvm_clock_read+0x18/0x30
[  380.715120]  ? kvm_sched_clock_read+0x9/0x20
[  380.719536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.725079]  ? check_preemption_disabled+0x48/0x280
[  380.730124]  irq_exit+0x17f/0x1c0
[  380.733587]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.738437]  ? smp_reschedule_interrupt+0x109/0x650
[  380.743459]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.749348]  ? interrupt_entry+0xb5/0xc0
[  380.753418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.758439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.763459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.768308]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.773328]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.778346]  ? task_prio+0x50/0x50
[  380.781920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.787464]  ? check_preemption_disabled+0x48/0x280
[  380.792489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.797348]  apic_timer_interrupt+0xf/0x20
[  380.801580]  </IRQ>
[  380.803827] RIP: 0010:console_unlock+0x102f/0x1190
[  380.808760] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  380.827662] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  380.835368] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  380.842637] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  380.849907] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  380.857177] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  380.864445] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  380.871747]  ? netconsole_netdev_event+0x280/0x280
[  380.876696]  ? console_unlock+0x1026/0x1190
[  380.881044]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  380.885720]  ? vprintk_emit+0x846/0x990
[  380.889724]  ? lock_release+0xa00/0xa00
[  380.893729]  ? trace_hardirqs_on+0x20/0x310
[  380.898051]  ? vprintk_default+0x28/0x30
[  380.902121]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.907232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.912802]  vprintk_emit+0x391/0x990
[  380.916627]  ? wake_up_klogd+0x180/0x180
[  380.920701]  ? match_held_lock+0x8c1/0x8d0
[  380.924951]  ? mark_held_locks+0xc7/0x130
[  380.929115]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.933625]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.938141]  vprintk_default+0x28/0x30
[  380.942034]  vprintk_func+0x7e/0x181
[  380.945754]  printk+0xa7/0xcf
[  380.948866]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  380.953638]  ? _raw_spin_unlock_irq+0x60/0x80
[  380.958172]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  380.963468]  dump_header+0x7cc/0xf72
[  380.967197]  ? pagefault_out_of_memory+0x197/0x197
[  380.972147]  ? __lock_acquire+0x62f/0x4c20
[  380.976391]  ? percpu_ref_get_many+0x240/0x240
[  380.980981]  ? print_usage_bug+0xc0/0xc0
[  380.985054]  ? zap_class+0x640/0x640
[  380.988774]  ? print_usage_bug+0xc0/0xc0
[  380.992843]  ? zap_class+0x640/0x640
[  380.996566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.002121]  ? find_held_lock+0x36/0x1c0
[  381.006198]  ? mark_held_locks+0xc7/0x130
[  381.010354]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.015753]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.020863]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.025453]  ? trace_hardirqs_on+0xbd/0x310
[  381.029780]  ? kasan_check_read+0x11/0x20
[  381.033931]  ? ___ratelimit+0x3b4/0x672
[  381.037909]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.043015]  ? trace_hardirqs_on+0x310/0x310
[  381.047429]  ? lock_downgrade+0x900/0x900
[  381.051590]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.056700]  ? ___ratelimit+0x3b9/0x672
[  381.060683]  ? idr_get_free+0xf70/0xf70
[  381.064664]  ? find_held_lock+0x36/0x1c0
[  381.068738]  oom_kill_process.cold.27+0x10/0x903
[  381.073502]  ? zap_class+0x640/0x640
[  381.077219]  ? check_preemption_disabled+0x48/0x280
[  381.082243]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.087175]  ? kasan_check_read+0x11/0x20
[  381.091329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.096616]  ? oom_evaluate_task+0x540/0x540
[  381.101034]  ? find_held_lock+0x36/0x1c0
[  381.105118]  ? out_of_memory+0x974/0x1430
[  381.109280]  ? lock_downgrade+0x900/0x900
[  381.113431]  ? check_preemption_disabled+0x48/0x280
[  381.118457]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.123389]  ? kasan_check_read+0x11/0x20
[  381.127538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.132815]  ? rcu_softirq_qs+0x20/0x20
[  381.136802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.142344]  ? oom_evaluate_task+0x302/0x540
[  381.146761]  out_of_memory+0xa84/0x1430
[  381.150765]  ? oom_killer_disable+0x3a0/0x3a0
[  381.155266]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  381.160207]  ? __ww_mutex_check_waiters+0x160/0x160
[  381.165243]  __alloc_pages_slowpath+0x2354/0x2e10
[  381.170131]  ? warn_alloc+0x120/0x120
[  381.173936]  ? mark_held_locks+0x130/0x130
[  381.178179]  ? find_get_entry+0xaae/0x1120
[  381.182428]  ? filemap_map_pages+0x1a20/0x1a20
[  381.187033]  ? zap_class+0x640/0x640
[  381.190756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.196298]  ? check_preemption_disabled+0x48/0x280
[  381.201323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.206863]  ? should_fail+0x22d/0xd01
[  381.210757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.215864]  ? zap_class+0x640/0x640
[  381.219615]  ? __lock_is_held+0xb5/0x140
[  381.223692]  ? mark_held_locks+0x130/0x130
[  381.227935]  ? lock_release+0xa00/0xa00
[  381.231914]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.237370]  ? xa_load+0x2ba/0x460
[  381.240919]  ? lock_downgrade+0x900/0x900
[  381.245075]  ? __might_sleep+0x95/0x190
[  381.249067]  __alloc_pages_nodemask+0xa80/0xde0
[  381.253756]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.258783]  ? __page_cache_alloc+0x191/0x5c0
[  381.263282]  ? xa_load+0x2e1/0x460
[  381.266841]  ? xa_clear_mark+0x40/0x40
[  381.270739]  ? zap_class+0x640/0x640
[  381.274467]  ? zap_class+0x640/0x640
[  381.278185]  ? zap_class+0x640/0x640
[  381.281904]  ? __do_page_cache_readahead+0x663/0x810
[  381.287042]  ? find_held_lock+0x36/0x1c0
[  381.291134]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.296687]  alloc_pages_current+0x173/0x350
[  381.301114]  __page_cache_alloc+0x38c/0x5c0
[  381.305438]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.310385]  ? kasan_check_read+0x11/0x20
[  381.314537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.319833]  ? generic_perform_write+0x6a0/0x6a0
[  381.324614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.330160]  ? check_preemption_disabled+0x48/0x280
[  381.335209]  filemap_fault+0x1595/0x25f0
[  381.339290]  ? __lock_page_or_retry+0xa00/0xa00
[  381.343965]  ? mark_held_locks+0x130/0x130
[  381.348214]  ? filemap_map_pages+0xd6b/0x1a20
[  381.352713]  ? lock_downgrade+0x900/0x900
[  381.356864]  ? check_preemption_disabled+0x48/0x280
[  381.361885]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.366815]  ? kasan_check_read+0x11/0x20
[  381.370966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.376246]  ? rcu_softirq_qs+0x20/0x20
[  381.380240]  ? filemap_map_pages+0xd92/0x1a20
[  381.384758]  ? find_get_entries_tag+0x1400/0x1400
[  381.389617]  ? debug_object_destroy+0x2b0/0x2b0
[  381.394300]  ? lock_pi_update_atomic+0x150/0x150
[  381.399061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.404640]  ? lock_acquire+0x1ed/0x520
[  381.408632]  ? ext4_filemap_fault+0x7a/0xad
[  381.413011]  ? lock_release+0xa00/0xa00
[  381.416987]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.422450]  ? print_usage_bug+0xc0/0xc0
[  381.426516]  ? print_usage_bug+0xc0/0xc0
[  381.430621]  ? down_read+0x8d/0x120
[  381.434252]  ? ext4_filemap_fault+0x7a/0xad
[  381.438617]  ? __down_interruptible+0x700/0x700
[  381.443310]  ext4_filemap_fault+0x82/0xad
[  381.447478]  __do_fault+0x100/0x6b0
[  381.451110]  ? pmd_devmap_trans_unstable+0x220/0x220
[  381.456223]  ? mark_held_locks+0x130/0x130
[  381.460465]  ? mark_held_locks+0x130/0x130
[  381.464743]  ? debug_smp_processor_id+0x1c/0x20
[  381.469414]  ? perf_trace_lock+0x14d/0x7a0
[  381.473661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.479247]  __handle_mm_fault+0x3ea6/0x5be0
[  381.483697]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  381.488545]  ? lock_is_held_type+0x210/0x210
[  381.492988]  ? ksys_dup3+0x680/0x680
[  381.496721]  ? zap_class+0x640/0x640
[  381.500450]  ? zap_class+0x640/0x640
[  381.504169]  ? __x64_sys_futex+0x53e/0x6a0
[  381.508416]  ? find_held_lock+0x36/0x1c0
[  381.512493]  ? handle_mm_fault+0x42a/0xc70
[  381.516737]  ? lock_downgrade+0x900/0x900
[  381.520888]  ? check_preemption_disabled+0x48/0x280
[  381.525948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.530879]  ? kasan_check_read+0x11/0x20
[  381.535035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.540326]  ? rcu_softirq_qs+0x20/0x20
[  381.544310]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.549425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.554972]  ? check_preemption_disabled+0x48/0x280
[  381.560003]  handle_mm_fault+0x54f/0xc70
[  381.564076]  ? __handle_mm_fault+0x5be0/0x5be0
[  381.568692]  ? find_vma+0x34/0x190
[  381.572242]  __do_page_fault+0x5e8/0xe60
[  381.576306]  ? trace_hardirqs_off+0xb8/0x310
[  381.580745]  do_page_fault+0xf2/0x7e0
[  381.584552]  ? vmalloc_sync_all+0x30/0x30
[  381.588704]  ? error_entry+0x70/0xd0
[  381.592423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.597439]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.602394]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.607326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.612175]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.617196]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.622654]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.627671]  ? page_fault+0x8/0x30
[  381.631215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.636083]  ? page_fault+0x8/0x30
[  381.639644]  page_fault+0x1e/0x30
[  381.643107] RIP: 0033:0x40f9c0
[  381.646316] Code: Bad RIP value.
[  381.649691] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  381.655067] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  381.662337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  381.669613] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  381.676880] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  381.684163] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  381.691468] warn_alloc_show_mem: 1 callbacks suppressed
[  381.691480] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  381.691482] Mem-Info:
[  381.691515] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  381.691515]  active_file:15 inactive_file:12 isolated_file:0
[  381.691515]  unevictable:0 dirty:0 writeback:0 unstable:0
[  381.691515]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  381.691515]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  381.691515]  free:13790 free_pcp:473 free_cma:0
[  381.696859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.703274] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  381.705677] Call Trace:
[  381.738719] 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
[  381.748083]  dump_stack+0x244/0x39d
[  381.775720] lowmem_reserve[]: 0 2818 6321 6321
[  381.778316]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.804403] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  381.808042]  warn_alloc.cold.116+0xb7/0x1bd
[  381.812590] lowmem_reserve[]: 0 0 3503 3503
[  381.817782]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.845260] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  381.849583]  ? lock_downgrade+0x900/0x900
[  381.853883] lowmem_reserve[]: 0 0 0 0
[  381.858727]  ? trace_hardirqs_off+0xb8/0x310
[  381.887866] 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
[  381.892020]  ? trace_hardirqs_off+0xb8/0x310
[  381.895809] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  381.900247]  __alloc_pages_slowpath+0x26e8/0x2e10
[  381.913746] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  381.918184]  ? warn_alloc+0x120/0x120
[  381.933488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.938324]  ? print_usage_bug+0xc0/0xc0
[  381.953656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  381.957448]  ? warn_alloc+0x120/0x120
[  381.966264] 2571 total pagecache pages
[  381.970325]  ? warn_alloc+0x120/0x120
[  381.978888] 0 pages in swap cache
[  381.982683]  ? print_usage_bug+0xc0/0xc0
[  381.986553] Swap cache stats: add 0, delete 0, find 0/0
[  381.990352]  ? print_usage_bug+0xc0/0xc0
[  381.993784] Free swap  = 0kB
[  381.997865]  ? __lock_acquire+0x62f/0x4c20
[  382.003218] Total swap = 0kB
[  382.007279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.010275] 1965979 pages RAM
[  382.014507]  ? should_fail+0x22d/0xd01
[  382.017509] 0 pages HighMem/MovableOnly
[  382.023044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.026150] 342855 pages reserved
[  382.030043]  ? __lock_acquire+0x62f/0x4c20
[  382.033992] 0 pages cma reserved
[  382.039104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.042585] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.046754]  ? __lock_acquire+0x62f/0x4c20
[  382.046767]  ? should_fail+0x22d/0xd01
[  382.046782]  ? find_held_lock+0x36/0x1c0
[  382.046805]  ? mark_held_locks+0x130/0x130
[  382.050223] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.055268]  ? mark_held_locks+0x130/0x130
[  382.061738] syz-fuzzer cpuset=/ mems_allowed=0
[  382.065970]  ? zap_class+0x640/0x640
[  382.100849]  ? zap_class+0x640/0x640
[  382.104571]  ? print_usage_bug+0xc0/0xc0
[  382.108633]  ? do_raw_spin_unlock+0xa7/0x330
[  382.113048]  ? zap_class+0x640/0x640
[  382.116767]  ? print_usage_bug+0xc0/0xc0
[  382.120828]  ? wq_watchdog_touch+0x9c/0xfe
[  382.125074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.130626]  ? check_preemption_disabled+0x48/0x280
[  382.135661]  ? __lock_is_held+0xb5/0x140
[  382.139732]  __alloc_pages_nodemask+0xa80/0xde0
[  382.144418]  ? zap_class+0x640/0x640
[  382.148146]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.153193]  ? find_held_lock+0x36/0x1c0
[  382.157271]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.161957]  ? lock_downgrade+0x900/0x900
[  382.166145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.171740]  cache_grow_begin+0xa5/0x8c0
[  382.175804]  ? do_raw_spin_unlock+0xa7/0x330
[  382.180228]  fallback_alloc+0x204/0x2e0
[  382.184213]  ____cache_alloc_node+0x1c7/0x1e0
[  382.188720]  kmem_cache_alloc_node+0xe3/0x730
[  382.193222]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.197468]  __alloc_skb+0x119/0x770
[  382.201186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.206472]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.210899]  ? lock_downgrade+0x900/0x900
[  382.215056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.220594]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.226069]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.231534]  ? addrconf_rs_timer+0x690/0x690
[  382.235957]  ndisc_alloc_skb+0x144/0x340
[  382.240026]  ndisc_send_rs+0x331/0x6e0
[  382.243921]  addrconf_rs_timer+0x314/0x690
[  382.248164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.252432]  call_timer_fn+0x272/0x920
[  382.256322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.260563]  ? process_timeout+0x40/0x40
[  382.264642]  ? __run_timers+0x7da/0xc70
[  382.268625]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.273139]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.277662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.281905]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.286498]  ? trace_hardirqs_on+0xbd/0x310
[  382.290819]  ? kasan_check_read+0x11/0x20
[  382.294967]  ? __run_timers+0x7da/0xc70
[  382.298945]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.304056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.308300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.312535]  __run_timers+0x7e5/0xc70
[  382.316385]  ? timer_fixup_init+0x70/0x70
[  382.320536]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.325035]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.330002]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.334593]  ? trace_hardirqs_on+0xbd/0x310
[  382.338934]  ? kasan_check_read+0x11/0x20
[  382.343086]  ? finish_task_switch+0x1f4/0x910
[  382.347598]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.352714]  ? compat_start_thread+0x80/0x80
[  382.357157]  ? pvclock_read_flags+0x160/0x160
[  382.361655]  ? __switch_to_asm+0x34/0x70
[  382.365720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.371259]  ? check_preemption_disabled+0x48/0x280
[  382.376287]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  382.381829]  ? rcu_pm_notify+0xc0/0xc0
[  382.385722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.391985]  ? check_preemption_disabled+0x48/0x280
[  382.397009]  run_timer_softirq+0x52/0xb0
[  382.401076]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.406123]  __do_softirq+0x308/0xb7e
[  382.409934]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.414873]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.419987]  ? schedule+0x108/0x460
[  382.423626]  ? trace_hardirqs_off+0xb8/0x310
[  382.428040]  ? smpboot_thread_fn+0x68b/0xa00
[  382.432452]  ? trace_hardirqs_on+0x310/0x310
[  382.437081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.442630]  ? check_preemption_disabled+0x48/0x280
[  382.447650]  ? takeover_tasklets+0xa90/0xa90
[  382.452065]  run_ksoftirqd+0x5e/0x100
[  382.455865]  smpboot_thread_fn+0x68b/0xa00
[  382.460102]  ? sort_range+0x30/0x30
[  382.463743]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.468850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.474390]  ? __kthread_parkme+0xfb/0x1a0
[  382.478644]  ? sort_range+0x30/0x30
[  382.482298]  kthread+0x35a/0x440
[  382.485683]  ? kthread_stop+0x900/0x900
[  382.489679]  ret_from_fork+0x3a/0x50
[  382.493441] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  382.493526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.500042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.500047] Call Trace:
[  382.500054]  <IRQ>
[  382.500071]  dump_stack+0x244/0x39d
[  382.500106]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.506673] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.515976]  warn_alloc.cold.116+0xb7/0x1bd
[  382.518558] ksoftirqd/0 cpuset=/ mems_allowed=0
[  382.520718]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.553642]  ? lock_downgrade+0x900/0x900
[  382.557815]  ? trace_hardirqs_off+0xb8/0x310
[  382.562235]  ? trace_hardirqs_off+0xb8/0x310
[  382.566657]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.571534]  ? warn_alloc+0x120/0x120
[  382.575344]  ? print_usage_bug+0xc0/0xc0
[  382.579429]  ? warn_alloc+0x120/0x120
[  382.583241]  ? warn_alloc+0x120/0x120
[  382.587047]  ? print_usage_bug+0xc0/0xc0
[  382.591126]  ? print_usage_bug+0xc0/0xc0
[  382.595193]  ? __lock_acquire+0x62f/0x4c20
[  382.599447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.604982]  ? should_fail+0x22d/0xd01
[  382.608877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.613993]  ? __lock_acquire+0x62f/0x4c20
[  382.618235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.623350]  ? __lock_acquire+0x62f/0x4c20
[  382.627606]  ? should_fail+0x22d/0xd01
[  382.631508]  ? find_held_lock+0x36/0x1c0
[  382.635596]  ? mark_held_locks+0x130/0x130
[  382.639841]  ? mark_held_locks+0x130/0x130
[  382.644076]  ? zap_class+0x640/0x640
[  382.647814]  ? zap_class+0x640/0x640
[  382.651537]  ? print_usage_bug+0xc0/0xc0
[  382.655618]  ? do_raw_spin_unlock+0xa7/0x330
[  382.660033]  ? zap_class+0x640/0x640
[  382.663747]  ? print_usage_bug+0xc0/0xc0
[  382.667807]  ? wq_watchdog_touch+0x9c/0xfe
[  382.672048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.677588]  ? check_preemption_disabled+0x48/0x280
[  382.682631]  ? __lock_is_held+0xb5/0x140
[  382.686722]  __alloc_pages_nodemask+0xa80/0xde0
[  382.691397]  ? zap_class+0x640/0x640
[  382.695128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.700173]  ? find_held_lock+0x36/0x1c0
[  382.704261]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.708937]  ? lock_downgrade+0x900/0x900
[  382.713110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.718674]  cache_grow_begin+0xa5/0x8c0
[  382.722775]  ? do_raw_spin_unlock+0xa7/0x330
[  382.727201]  fallback_alloc+0x204/0x2e0
[  382.731192]  ____cache_alloc_node+0x1c7/0x1e0
[  382.735696]  kmem_cache_alloc_node+0xe3/0x730
[  382.740196]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.744447]  __alloc_skb+0x119/0x770
[  382.748166]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.753449]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.757863]  ? lock_downgrade+0x900/0x900
[  382.762047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.767587]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.773047]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.778502]  ? addrconf_rs_timer+0x690/0x690
[  382.782927]  ndisc_alloc_skb+0x144/0x340
[  382.786997]  ndisc_send_rs+0x331/0x6e0
[  382.791072]  addrconf_rs_timer+0x314/0x690
[  382.795328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.799582]  call_timer_fn+0x272/0x920
[  382.803490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.807728]  ? process_timeout+0x40/0x40
[  382.811807]  ? mark_held_locks+0xc7/0x130
[  382.815964]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.820469]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.824967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.829208]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.833813]  ? trace_hardirqs_on+0xbd/0x310
[  382.838137]  ? kasan_check_read+0x11/0x20
[  382.842299]  ? __run_timers+0x7da/0xc70
[  382.846282]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.851408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.855651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.859889]  __run_timers+0x7e5/0xc70
[  382.863700]  ? timer_fixup_init+0x70/0x70
[  382.867852]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.872871]  ? zap_class+0x640/0x640
[  382.876622]  ? print_usage_bug+0xc0/0xc0
[  382.880715]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.885917]  ? find_held_lock+0x36/0x1c0
[  382.889988]  ? zap_class+0x640/0x640
[  382.893711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.899250]  ? check_preemption_disabled+0x48/0x280
[  382.904281]  ? __lock_is_held+0xb5/0x140
[  382.908346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.913884]  ? check_preemption_disabled+0x48/0x280
[  382.918907]  run_timer_softirq+0x52/0xb0
[  382.922973]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.927994]  __do_softirq+0x308/0xb7e
[  382.931809]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.936313]  ? lock_downgrade+0x900/0x900
[  382.940471]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.945590]  ? pvclock_read_flags+0x160/0x160
[  382.950120]  ? lapic_next_event+0x5a/0x90
[  382.954276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.959823]  ? kvm_clock_read+0x18/0x30
[  382.963816]  ? kvm_sched_clock_read+0x9/0x20
[  382.968232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.973772]  ? check_preemption_disabled+0x48/0x280
[  382.978800]  irq_exit+0x17f/0x1c0
[  382.982257]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.987107]  ? smp_reschedule_interrupt+0x109/0x650
[  382.992132]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.998060]  ? interrupt_entry+0xb5/0xc0
[  383.002130]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.007187]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.012213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.017061]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.022086]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.027121]  ? task_prio+0x50/0x50
[  383.030671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.036212]  ? check_preemption_disabled+0x48/0x280
[  383.041242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.046122]  apic_timer_interrupt+0xf/0x20
[  383.050354]  </IRQ>
[  383.052594] RIP: 0010:console_unlock+0x102f/0x1190
[  383.057532] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  383.076435] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  383.084146] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  383.091412] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  383.098681] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  383.105961] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  383.113260] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  383.120549]  ? netconsole_netdev_event+0x280/0x280
[  383.125487]  ? console_unlock+0x1026/0x1190
[  383.129839]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  383.134509]  ? vprintk_emit+0x846/0x990
[  383.138491]  ? lock_release+0xa00/0xa00
[  383.142469]  ? trace_hardirqs_on+0x20/0x310
[  383.146793]  ? vprintk_default+0x28/0x30
[  383.150862]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.155970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.161520]  vprintk_emit+0x391/0x990
[  383.165347]  ? wake_up_klogd+0x180/0x180
[  383.169423]  ? match_held_lock+0x8c1/0x8d0
[  383.173666]  ? mark_held_locks+0xc7/0x130
[  383.177819]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.182318]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.186822]  vprintk_default+0x28/0x30
[  383.190736]  vprintk_func+0x7e/0x181
[  383.194554]  printk+0xa7/0xcf
[  383.197667]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  383.202434]  ? _raw_spin_unlock_irq+0x60/0x80
[  383.206948]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  383.212239]  dump_header+0x7cc/0xf72
[  383.215970]  ? pagefault_out_of_memory+0x197/0x197
[  383.220912]  ? __lock_acquire+0x62f/0x4c20
[  383.225152]  ? percpu_ref_get_many+0x240/0x240
[  383.229739]  ? print_usage_bug+0xc0/0xc0
[  383.233812]  ? zap_class+0x640/0x640
[  383.237533]  ? print_usage_bug+0xc0/0xc0
[  383.241599]  ? zap_class+0x640/0x640
[  383.245347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.250891]  ? find_held_lock+0x36/0x1c0
[  383.254975]  ? mark_held_locks+0xc7/0x130
[  383.259136]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.264261]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.269373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.273976]  ? trace_hardirqs_on+0xbd/0x310
[  383.278301]  ? kasan_check_read+0x11/0x20
[  383.282453]  ? ___ratelimit+0x3b4/0x672
[  383.286435]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.291544]  ? trace_hardirqs_on+0x310/0x310
[  383.295954]  ? lock_downgrade+0x900/0x900
[  383.300118]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.305225]  ? ___ratelimit+0x3b9/0x672
[  383.309205]  ? idr_get_free+0xf70/0xf70
[  383.313184]  ? find_held_lock+0x36/0x1c0
[  383.317262]  oom_kill_process.cold.27+0x10/0x903
[  383.322023]  ? zap_class+0x640/0x640
[  383.325742]  ? check_preemption_disabled+0x48/0x280
[  383.330772]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.335711]  ? kasan_check_read+0x11/0x20
[  383.339866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.345173]  ? oom_evaluate_task+0x540/0x540
[  383.349594]  ? find_held_lock+0x36/0x1c0
[  383.353673]  ? out_of_memory+0x974/0x1430
[  383.357826]  ? lock_downgrade+0x900/0x900
[  383.362009]  ? check_preemption_disabled+0x48/0x280
[  383.367033]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.371966]  ? kasan_check_read+0x11/0x20
[  383.376119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.381401]  ? rcu_softirq_qs+0x20/0x20
[  383.385386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.390931]  ? oom_evaluate_task+0x302/0x540
[  383.395348]  out_of_memory+0xa84/0x1430
[  383.399337]  ? oom_killer_disable+0x3a0/0x3a0
[  383.403840]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  383.408778]  ? __ww_mutex_check_waiters+0x160/0x160
[  383.413827]  __alloc_pages_slowpath+0x2354/0x2e10
[  383.418706]  ? warn_alloc+0x120/0x120
[  383.422510]  ? mark_held_locks+0x130/0x130
[  383.426753]  ? find_get_entry+0xaae/0x1120
[  383.431013]  ? filemap_map_pages+0x1a20/0x1a20
[  383.435604]  ? zap_class+0x640/0x640
[  383.439336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.444878]  ? check_preemption_disabled+0x48/0x280
[  383.449899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.455437]  ? should_fail+0x22d/0xd01
[  383.459334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.464441]  ? zap_class+0x640/0x640
[  383.468213]  ? __lock_is_held+0xb5/0x140
[  383.472292]  ? mark_held_locks+0x130/0x130
[  383.476534]  ? lock_release+0xa00/0xa00
[  383.480514]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.485971]  ? xa_load+0x2ba/0x460
[  383.489517]  ? lock_downgrade+0x900/0x900
[  383.493682]  ? __might_sleep+0x95/0x190
[  383.497667]  __alloc_pages_nodemask+0xa80/0xde0
[  383.502349]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.507369]  ? __page_cache_alloc+0x191/0x5c0
[  383.511869]  ? xa_load+0x2e1/0x460
[  383.515417]  ? xa_clear_mark+0x40/0x40
[  383.519314]  ? zap_class+0x640/0x640
[  383.523044]  ? zap_class+0x640/0x640
[  383.526760]  ? zap_class+0x640/0x640
[  383.530476]  ? __do_page_cache_readahead+0x663/0x810
[  383.535588]  ? find_held_lock+0x36/0x1c0
[  383.539665]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  383.545214]  alloc_pages_current+0x173/0x350
[  383.549670]  __page_cache_alloc+0x38c/0x5c0
[  383.553991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.558924]  ? kasan_check_read+0x11/0x20
[  383.563083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.568367]  ? generic_perform_write+0x6a0/0x6a0
[  383.573129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.578674]  ? check_preemption_disabled+0x48/0x280
[  383.583696]  filemap_fault+0x1595/0x25f0
[  383.587785]  ? __lock_page_or_retry+0xa00/0xa00
[  383.592462]  ? mark_held_locks+0x130/0x130
[  383.596717]  ? filemap_map_pages+0xd6b/0x1a20
[  383.601219]  ? lock_downgrade+0x900/0x900
[  383.605372]  ? check_preemption_disabled+0x48/0x280
[  383.610407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.615340]  ? kasan_check_read+0x11/0x20
[  383.619502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.624782]  ? rcu_softirq_qs+0x20/0x20
[  383.628774]  ? filemap_map_pages+0xd92/0x1a20
[  383.633289]  ? find_get_entries_tag+0x1400/0x1400
[  383.638143]  ? debug_object_destroy+0x2b0/0x2b0
[  383.642814]  ? lock_pi_update_atomic+0x150/0x150
[  383.647571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.653124]  ? lock_acquire+0x1ed/0x520
[  383.657104]  ? ext4_filemap_fault+0x7a/0xad
[  383.661436]  ? lock_release+0xa00/0xa00
[  383.665411]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.670901]  ? print_usage_bug+0xc0/0xc0
[  383.674965]  ? print_usage_bug+0xc0/0xc0
[  383.679042]  ? down_read+0x8d/0x120
[  383.682672]  ? ext4_filemap_fault+0x7a/0xad
[  383.686997]  ? __down_interruptible+0x700/0x700
[  383.691692]  ext4_filemap_fault+0x82/0xad
[  383.695847]  __do_fault+0x100/0x6b0
[  383.699484]  ? pmd_devmap_trans_unstable+0x220/0x220
[  383.704604]  ? mark_held_locks+0x130/0x130
[  383.708846]  ? mark_held_locks+0x130/0x130
[  383.713087]  ? debug_smp_processor_id+0x1c/0x20
[  383.717772]  ? perf_trace_lock+0x14d/0x7a0
[  383.722019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.727592]  __handle_mm_fault+0x3ea6/0x5be0
[  383.732017]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  383.737126]  ? lock_is_held_type+0x210/0x210
[  383.741551]  ? ksys_dup3+0x680/0x680
[  383.745283]  ? zap_class+0x640/0x640
[  383.748998]  ? zap_class+0x640/0x640
[  383.752712]  ? __x64_sys_futex+0x53e/0x6a0
[  383.756954]  ? find_held_lock+0x36/0x1c0
[  383.761027]  ? handle_mm_fault+0x42a/0xc70
[  383.765272]  ? lock_downgrade+0x900/0x900
[  383.769420]  ? check_preemption_disabled+0x48/0x280
[  383.774444]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.779379]  ? kasan_check_read+0x11/0x20
[  383.783530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.788808]  ? rcu_softirq_qs+0x20/0x20
[  383.792784]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.797893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.803435]  ? check_preemption_disabled+0x48/0x280
[  383.808462]  handle_mm_fault+0x54f/0xc70
[  383.812529]  ? __handle_mm_fault+0x5be0/0x5be0
[  383.817121]  ? find_vma+0x34/0x190
[  383.820671]  __do_page_fault+0x5e8/0xe60
[  383.824738]  ? trace_hardirqs_off+0xb8/0x310
[  383.829178]  do_page_fault+0xf2/0x7e0
[  383.832987]  ? vmalloc_sync_all+0x30/0x30
[  383.837159]  ? error_entry+0x70/0xd0
[  383.840877]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.845892]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.850823]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.855767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.860636]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.865663]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.871119]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.876144]  ? page_fault+0x8/0x30
[  383.879692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.884544]  ? page_fault+0x8/0x30
[  383.888088]  page_fault+0x1e/0x30
[  383.891559] RIP: 0033:0x40f9c0
[  383.894775] Code: Bad RIP value.
[  383.898139] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  383.903500] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  383.910772] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  383.918043] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  383.925314] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  383.932580] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  383.939881] warn_alloc_show_mem: 1 callbacks suppressed
[  383.939893] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  383.939896] Mem-Info:
[  383.939926] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  383.939926]  active_file:15 inactive_file:12 isolated_file:0
[  383.939926]  unevictable:0 dirty:0 writeback:0 unstable:0
[  383.939926]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  383.939926]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  383.939926]  free:13790 free_pcp:473 free_cma:0
[  383.945266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.945275] Call Trace:
[  383.951695] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  383.954121]  dump_stack+0x244/0x39d
[  383.987173] 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
[  383.996548]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.999106] lowmem_reserve[]: 0 2818 6321 6321
[  384.026805]  warn_alloc.cold.116+0xb7/0x1bd
[  384.030404] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  384.056807]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.061986] lowmem_reserve[]: 0 0 3503 3503
[  384.066587]  ? lock_downgrade+0x900/0x900
[  384.070905] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  384.098427]  ? trace_hardirqs_off+0xb8/0x310
[  384.103247] lowmem_reserve[]: 0 0 0 0
[  384.107572]  ? trace_hardirqs_off+0xb8/0x310
[  384.111711] 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
[  384.140868]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.145255] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  384.149083]  ? warn_alloc+0x120/0x120
[  384.153443] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  384.166976]  ? print_usage_bug+0xc0/0xc0
[  384.171809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.187153]  ? warn_alloc+0x120/0x120
[  384.190940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.206364]  ? warn_alloc+0x120/0x120
[  384.210405] 2571 total pagecache pages
[  384.219240]  ? print_usage_bug+0xc0/0xc0
[  384.223028] 0 pages in swap cache
[  384.231596]  ? print_usage_bug+0xc0/0xc0
[  384.235377] Swap cache stats: add 0, delete 0, find 0/0
[  384.235387] Free swap  = 0kB
[  384.239274]  ? __lock_acquire+0x62f/0x4c20
[  384.243313] Total swap = 0kB
[  384.246766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.250804] 1965979 pages RAM
[  384.256180]  ? should_fail+0x22d/0xd01
[  384.259183] 0 pages HighMem/MovableOnly
[  384.263421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.266414] 342855 pages reserved
[  384.266424] 0 pages cma reserved
[  384.271960]  ? __lock_acquire+0x62f/0x4c20
[  384.275105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.278932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.282954] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.288000]  ? __lock_acquire+0x62f/0x4c20
[  384.291432] syz-fuzzer cpuset=/ mems_allowed=0
[  384.294790]  ? should_fail+0x22d/0xd01
[  384.294807]  ? find_held_lock+0x36/0x1c0
[  384.338025]  ? mark_held_locks+0x130/0x130
[  384.342269]  ? mark_held_locks+0x130/0x130
[  384.346509]  ? zap_class+0x640/0x640
[  384.350233]  ? mark_held_locks+0xc7/0x130
[  384.354386]  ? do_raw_spin_unlock+0xa7/0x330
[  384.358801]  ? zap_class+0x640/0x640
[  384.362519]  ? print_usage_bug+0xc0/0xc0
[  384.366587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.372142]  ? check_preemption_disabled+0x48/0x280
[  384.377174]  ? __lock_is_held+0xb5/0x140
[  384.381246]  __alloc_pages_nodemask+0xa80/0xde0
[  384.385918]  ? zap_class+0x640/0x640
[  384.390336]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.395370]  ? find_held_lock+0x36/0x1c0
[  384.399453]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.404136]  ? lock_downgrade+0x900/0x900
[  384.408311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.413857]  cache_grow_begin+0xa5/0x8c0
[  384.417926]  ? do_raw_spin_unlock+0xa7/0x330
[  384.422352]  fallback_alloc+0x204/0x2e0
[  384.426336]  ____cache_alloc_node+0x1c7/0x1e0
[  384.430844]  kmem_cache_alloc_node+0xe3/0x730
[  384.435559]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.439813]  __alloc_skb+0x119/0x770
[  384.443528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.448816]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.453232]  ? lock_downgrade+0x900/0x900
[  384.457393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.462936]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.468402]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.473857]  ? addrconf_rs_timer+0x690/0x690
[  384.478282]  ndisc_alloc_skb+0x144/0x340
[  384.482366]  ndisc_send_rs+0x331/0x6e0
[  384.486290]  addrconf_rs_timer+0x314/0x690
[  384.490537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.494805]  call_timer_fn+0x272/0x920
[  384.498698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.502939]  ? process_timeout+0x40/0x40
[  384.507010]  ? __run_timers+0x7da/0xc70
[  384.510996]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.515495]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.519999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.524259]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.528846]  ? trace_hardirqs_on+0xbd/0x310
[  384.533175]  ? kasan_check_read+0x11/0x20
[  384.537327]  ? __run_timers+0x7da/0xc70
[  384.541307]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.546434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.550680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.554918]  __run_timers+0x7e5/0xc70
[  384.558733]  ? timer_fixup_init+0x70/0x70
[  384.562884]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.567385]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.571882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.576468]  ? trace_hardirqs_on+0xbd/0x310
[  384.580791]  ? kasan_check_read+0x11/0x20
[  384.584943]  ? finish_task_switch+0x1f4/0x910
[  384.589442]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.594549]  ? compat_start_thread+0x80/0x80
[  384.598985]  ? pvclock_read_flags+0x160/0x160
[  384.603482]  ? __switch_to_asm+0x34/0x70
[  384.607570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.613127]  ? check_preemption_disabled+0x48/0x280
[  384.618159]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  384.623705]  ? rcu_pm_notify+0xc0/0xc0
[  384.627598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.633142]  ? check_preemption_disabled+0x48/0x280
[  384.638170]  run_timer_softirq+0x52/0xb0
[  384.642239]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.647258]  __do_softirq+0x308/0xb7e
[  384.651071]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.656021]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.661139]  ? schedule+0x108/0x460
[  384.664782]  ? trace_hardirqs_off+0xb8/0x310
[  384.669196]  ? smpboot_thread_fn+0x68b/0xa00
[  384.673609]  ? trace_hardirqs_on+0x310/0x310
[  384.678024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.683569]  ? check_preemption_disabled+0x48/0x280
[  384.688602]  ? takeover_tasklets+0xa90/0xa90
[  384.693019]  run_ksoftirqd+0x5e/0x100
[  384.696839]  smpboot_thread_fn+0x68b/0xa00
[  384.701079]  ? sort_range+0x30/0x30
[  384.704726]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.709835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.715379]  ? __kthread_parkme+0xfb/0x1a0
[  384.719633]  ? sort_range+0x30/0x30
[  384.723263]  kthread+0x35a/0x440
[  384.726632]  ? kthread_stop+0x900/0x900
[  384.730617]  ret_from_fork+0x3a/0x50
[  384.734358] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  384.734432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.740946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.740952] Call Trace:
[  384.740959]  <IRQ>
[  384.740977]  dump_stack+0x244/0x39d
[  384.740997]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.747564] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.756849]  warn_alloc.cold.116+0xb7/0x1bd
[  384.759405] ksoftirqd/0 cpuset=/ mems_allowed=0
[  384.761559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.794450]  ? lock_downgrade+0x900/0x900
[  384.798622]  ? trace_hardirqs_off+0xb8/0x310
[  384.803049]  ? trace_hardirqs_off+0xb8/0x310
[  384.807476]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.812353]  ? warn_alloc+0x120/0x120
[  384.816162]  ? print_usage_bug+0xc0/0xc0
[  384.820232]  ? warn_alloc+0x120/0x120
[  384.824042]  ? warn_alloc+0x120/0x120
[  384.827852]  ? print_usage_bug+0xc0/0xc0
[  384.831924]  ? print_usage_bug+0xc0/0xc0
[  384.835989]  ? __lock_acquire+0x62f/0x4c20
[  384.840234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.845776]  ? should_fail+0x22d/0xd01
[  384.849675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.854782]  ? __lock_acquire+0x62f/0x4c20
[  384.859028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.864135]  ? __lock_acquire+0x62f/0x4c20
[  384.868372]  ? should_fail+0x22d/0xd01
[  384.872265]  ? find_held_lock+0x36/0x1c0
[  384.876348]  ? mark_held_locks+0x130/0x130
[  384.880598]  ? mark_held_locks+0x130/0x130
[  384.884842]  ? zap_class+0x640/0x640
[  384.888564]  ? zap_class+0x640/0x640
[  384.892283]  ? print_usage_bug+0xc0/0xc0
[  384.896350]  ? do_raw_spin_unlock+0xa7/0x330
[  384.900761]  ? zap_class+0x640/0x640
[  384.904479]  ? print_usage_bug+0xc0/0xc0
[  384.908544]  ? wq_watchdog_touch+0x9c/0xfe
[  384.912791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.918336]  ? check_preemption_disabled+0x48/0x280
[  384.923369]  ? __lock_is_held+0xb5/0x140
[  384.927462]  __alloc_pages_nodemask+0xa80/0xde0
[  384.932133]  ? zap_class+0x640/0x640
[  384.935872]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.940909]  ? find_held_lock+0x36/0x1c0
[  384.944988]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.949662]  ? lock_downgrade+0x900/0x900
[  384.953846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.959403]  cache_grow_begin+0xa5/0x8c0
[  384.963467]  ? do_raw_spin_unlock+0xa7/0x330
[  384.967889]  fallback_alloc+0x204/0x2e0
[  384.971879]  ____cache_alloc_node+0x1c7/0x1e0
[  384.976385]  kmem_cache_alloc_node+0xe3/0x730
[  384.980884]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.985136]  __alloc_skb+0x119/0x770
[  384.988857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.994151]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.998566]  ? lock_downgrade+0x900/0x900
[  385.002727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.008280]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.013737]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.019192]  ? addrconf_rs_timer+0x690/0x690
[  385.023626]  ndisc_alloc_skb+0x144/0x340
[  385.027698]  ndisc_send_rs+0x331/0x6e0
[  385.031595]  addrconf_rs_timer+0x314/0x690
[  385.035865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.040119]  call_timer_fn+0x272/0x920
[  385.044011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.048255]  ? process_timeout+0x40/0x40
[  385.052332]  ? mark_held_locks+0xc7/0x130
[  385.056491]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.061000]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.065499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.069744]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.074333]  ? trace_hardirqs_on+0xbd/0x310
[  385.078661]  ? kasan_check_read+0x11/0x20
[  385.082813]  ? __run_timers+0x7da/0xc70
[  385.086796]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.091908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.096154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.100400]  __run_timers+0x7e5/0xc70
[  385.104218]  ? timer_fixup_init+0x70/0x70
[  385.108375]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.113398]  ? zap_class+0x640/0x640
[  385.117120]  ? print_usage_bug+0xc0/0xc0
[  385.121208]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.126412]  ? find_held_lock+0x36/0x1c0
[  385.130484]  ? zap_class+0x640/0x640
[  385.134211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.139753]  ? check_preemption_disabled+0x48/0x280
[  385.144787]  ? __lock_is_held+0xb5/0x140
[  385.148856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.154402]  ? check_preemption_disabled+0x48/0x280
[  385.159434]  run_timer_softirq+0x52/0xb0
[  385.163533]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.168558]  __do_softirq+0x308/0xb7e
[  385.172366]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.176862]  ? lock_downgrade+0x900/0x900
[  385.181017]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.186136]  ? pvclock_read_flags+0x160/0x160
[  385.190645]  ? lapic_next_event+0x5a/0x90
[  385.194825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.200372]  ? kvm_clock_read+0x18/0x30
[  385.204353]  ? kvm_sched_clock_read+0x9/0x20
[  385.208768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.214312]  ? check_preemption_disabled+0x48/0x280
[  385.219350]  irq_exit+0x17f/0x1c0
[  385.222813]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.227660]  ? smp_reschedule_interrupt+0x109/0x650
[  385.232680]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.238569]  ? interrupt_entry+0xb5/0xc0
[  385.242639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.247661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.252684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.257534]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.262553]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.267574]  ? task_prio+0x50/0x50
[  385.271127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.276672]  ? check_preemption_disabled+0x48/0x280
[  385.281707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.286570]  apic_timer_interrupt+0xf/0x20
[  385.290800]  </IRQ>
[  385.293041] RIP: 0010:console_unlock+0x102f/0x1190
[  385.297974] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  385.316880] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  385.324590] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  385.331864] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  385.339136] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  385.346405] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  385.353696] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  385.360984]  ? netconsole_netdev_event+0x280/0x280
[  385.365938]  ? console_unlock+0x1026/0x1190
[  385.370287]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  385.374956]  ? vprintk_emit+0x846/0x990
[  385.378938]  ? lock_release+0xa00/0xa00
[  385.382918]  ? trace_hardirqs_on+0x20/0x310
[  385.387248]  ? vprintk_default+0x28/0x30
[  385.391338]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.396451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.401999]  vprintk_emit+0x391/0x990
[  385.405809]  ? wake_up_klogd+0x180/0x180
[  385.409885]  ? match_held_lock+0x8c1/0x8d0
[  385.414137]  ? mark_held_locks+0xc7/0x130
[  385.418295]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.422796]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.427323]  vprintk_default+0x28/0x30
[  385.431217]  vprintk_func+0x7e/0x181
[  385.434935]  printk+0xa7/0xcf
[  385.438044]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  385.442825]  ? _raw_spin_unlock_irq+0x60/0x80
[  385.447338]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  385.452633]  dump_header+0x7cc/0xf72
[  385.456364]  ? pagefault_out_of_memory+0x197/0x197
[  385.461306]  ? __lock_acquire+0x62f/0x4c20
[  385.465547]  ? percpu_ref_get_many+0x240/0x240
[  385.470139]  ? print_usage_bug+0xc0/0xc0
[  385.474213]  ? zap_class+0x640/0x640
[  385.477933]  ? print_usage_bug+0xc0/0xc0
[  385.481997]  ? zap_class+0x640/0x640
[  385.485721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.491268]  ? find_held_lock+0x36/0x1c0
[  385.495343]  ? mark_held_locks+0xc7/0x130
[  385.499500]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.504612]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.509724]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.514317]  ? trace_hardirqs_on+0xbd/0x310
[  385.518645]  ? kasan_check_read+0x11/0x20
[  385.522794]  ? ___ratelimit+0x3b4/0x672
[  385.526776]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.531885]  ? trace_hardirqs_on+0x310/0x310
[  385.536300]  ? lock_downgrade+0x900/0x900
[  385.540462]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.545567]  ? ___ratelimit+0x3b9/0x672
[  385.549550]  ? idr_get_free+0xf70/0xf70
[  385.553546]  ? find_held_lock+0x36/0x1c0
[  385.557630]  oom_kill_process.cold.27+0x10/0x903
[  385.562395]  ? zap_class+0x640/0x640
[  385.566111]  ? check_preemption_disabled+0x48/0x280
[  385.571149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.576085]  ? kasan_check_read+0x11/0x20
[  385.580238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.585532]  ? oom_evaluate_task+0x540/0x540
[  385.589952]  ? find_held_lock+0x36/0x1c0
[  385.594027]  ? out_of_memory+0x974/0x1430
[  385.598181]  ? lock_downgrade+0x900/0x900
[  385.602335]  ? check_preemption_disabled+0x48/0x280
[  385.607360]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.612292]  ? kasan_check_read+0x11/0x20
[  385.616442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.621719]  ? rcu_softirq_qs+0x20/0x20
[  385.625700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.631240]  ? oom_evaluate_task+0x302/0x540
[  385.635681]  out_of_memory+0xa84/0x1430
[  385.639673]  ? oom_killer_disable+0x3a0/0x3a0
[  385.644180]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  385.649114]  ? __ww_mutex_check_waiters+0x160/0x160
[  385.654151]  __alloc_pages_slowpath+0x2354/0x2e10
[  385.659032]  ? warn_alloc+0x120/0x120
[  385.662840]  ? mark_held_locks+0x130/0x130
[  385.667098]  ? find_get_entry+0xaae/0x1120
[  385.671350]  ? filemap_map_pages+0x1a20/0x1a20
[  385.675947]  ? zap_class+0x640/0x640
[  385.679675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.685225]  ? check_preemption_disabled+0x48/0x280
[  385.690245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.695787]  ? should_fail+0x22d/0xd01
[  385.699687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.704797]  ? zap_class+0x640/0x640
[  385.708541]  ? __lock_is_held+0xb5/0x140
[  385.712626]  ? mark_held_locks+0x130/0x130
[  385.716866]  ? lock_release+0xa00/0xa00
[  385.720849]  ? perf_trace_sched_process_exec+0x860/0x860
[  385.726302]  ? xa_load+0x2ba/0x460
[  385.729850]  ? lock_downgrade+0x900/0x900
[  385.734010]  ? __might_sleep+0x95/0x190
[  385.737993]  __alloc_pages_nodemask+0xa80/0xde0
[  385.742676]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.747701]  ? __page_cache_alloc+0x191/0x5c0
[  385.752200]  ? xa_load+0x2e1/0x460
[  385.755745]  ? xa_clear_mark+0x40/0x40
[  385.759644]  ? zap_class+0x640/0x640
[  385.763373]  ? zap_class+0x640/0x640
[  385.767089]  ? zap_class+0x640/0x640
[  385.770806]  ? __do_page_cache_readahead+0x663/0x810
[  385.775931]  ? find_held_lock+0x36/0x1c0
[  385.780003]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  385.785555]  alloc_pages_current+0x173/0x350
[  385.789977]  __page_cache_alloc+0x38c/0x5c0
[  385.794300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.799260]  ? kasan_check_read+0x11/0x20
[  385.803414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.808700]  ? generic_perform_write+0x6a0/0x6a0
[  385.813462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.819006]  ? check_preemption_disabled+0x48/0x280
[  385.824032]  filemap_fault+0x1595/0x25f0
[  385.828110]  ? __lock_page_or_retry+0xa00/0xa00
[  385.832785]  ? mark_held_locks+0x130/0x130
[  385.837071]  ? filemap_map_pages+0xd6b/0x1a20
[  385.841573]  ? lock_downgrade+0x900/0x900
[  385.845728]  ? check_preemption_disabled+0x48/0x280
[  385.850752]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.855684]  ? kasan_check_read+0x11/0x20
[  385.859836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.865115]  ? rcu_softirq_qs+0x20/0x20
[  385.869113]  ? filemap_map_pages+0xd92/0x1a20
[  385.873657]  ? find_get_entries_tag+0x1400/0x1400
[  385.878509]  ? debug_object_destroy+0x2b0/0x2b0
[  385.883181]  ? lock_pi_update_atomic+0x150/0x150
[  385.887944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.893503]  ? lock_acquire+0x1ed/0x520
[  385.897485]  ? ext4_filemap_fault+0x7a/0xad
[  385.901824]  ? lock_release+0xa00/0xa00
[  385.905811]  ? perf_trace_sched_process_exec+0x860/0x860
[  385.911271]  ? print_usage_bug+0xc0/0xc0
[  385.915338]  ? print_usage_bug+0xc0/0xc0
[  385.919415]  ? down_read+0x8d/0x120
[  385.923042]  ? ext4_filemap_fault+0x7a/0xad
[  385.927367]  ? __down_interruptible+0x700/0x700
[  385.932049]  ext4_filemap_fault+0x82/0xad
[  385.936207]  __do_fault+0x100/0x6b0
[  385.939851]  ? pmd_devmap_trans_unstable+0x220/0x220
[  385.944967]  ? mark_held_locks+0x130/0x130
[  385.949208]  ? mark_held_locks+0x130/0x130
[  385.953449]  ? debug_smp_processor_id+0x1c/0x20
[  385.958121]  ? perf_trace_lock+0x14d/0x7a0
[  385.962372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.967924]  __handle_mm_fault+0x3ea6/0x5be0
[  385.972349]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  385.977199]  ? lock_is_held_type+0x210/0x210
[  385.981622]  ? ksys_dup3+0x680/0x680
[  385.985357]  ? zap_class+0x640/0x640
[  385.989075]  ? zap_class+0x640/0x640
[  385.992792]  ? __x64_sys_futex+0x53e/0x6a0
[  385.997039]  ? find_held_lock+0x36/0x1c0
[  386.001119]  ? handle_mm_fault+0x42a/0xc70
[  386.005361]  ? lock_downgrade+0x900/0x900
[  386.009512]  ? check_preemption_disabled+0x48/0x280
[  386.014534]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.019465]  ? kasan_check_read+0x11/0x20
[  386.023622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.028902]  ? rcu_softirq_qs+0x20/0x20
[  386.032880]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.037986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.043528]  ? check_preemption_disabled+0x48/0x280
[  386.048559]  handle_mm_fault+0x54f/0xc70
[  386.052634]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.057229]  ? find_vma+0x34/0x190
[  386.060779]  __do_page_fault+0x5e8/0xe60
[  386.064843]  ? trace_hardirqs_off+0xb8/0x310
[  386.069269]  do_page_fault+0xf2/0x7e0
[  386.073109]  ? vmalloc_sync_all+0x30/0x30
[  386.077265]  ? error_entry+0x70/0xd0
[  386.080985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.086011]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.090946]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.095888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.100740]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.105761]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.111223]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.116250]  ? page_fault+0x8/0x30
[  386.119801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.124650]  ? page_fault+0x8/0x30
[  386.128240]  page_fault+0x1e/0x30
[  386.131700] RIP: 0033:0x40f9c0
[  386.134914] Code: Bad RIP value.
[  386.138281] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  386.143642] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  386.150916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  386.158191] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  386.165466] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  386.172753] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  386.180057] warn_alloc_show_mem: 1 callbacks suppressed
[  386.180069] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  386.180071] Mem-Info:
[  386.180102] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  386.180102]  active_file:15 inactive_file:12 isolated_file:0
[  386.180102]  unevictable:0 dirty:0 writeback:0 unstable:0
[  386.180102]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  386.180102]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  386.180102]  free:13790 free_pcp:473 free_cma:0
[  386.185461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.191876] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  386.194275] Call Trace:
[  386.227334] 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
[  386.236704]  dump_stack+0x244/0x39d
[  386.264346] lowmem_reserve[]: 0 2818 6321 6321
[  386.266952]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.293041] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  386.296679]  warn_alloc.cold.116+0xb7/0x1bd
[  386.301243] lowmem_reserve[]: 0 0 3503 3503
[  386.306435]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.334196] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  386.338527]  ? lock_downgrade+0x900/0x900
[  386.342824] lowmem_reserve[]: 0 0 0 0
[  386.347675]  ? trace_hardirqs_off+0xb8/0x310
[  386.376805] 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
[  386.380960]  ? trace_hardirqs_off+0xb8/0x310
[  386.384736] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  386.390076]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.403576] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  386.408013]  ? warn_alloc+0x120/0x120
[  386.423333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  386.428190]  ? print_usage_bug+0xc0/0xc0
[  386.444016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  386.447826]  ? warn_alloc+0x120/0x120
[  386.456664] 2571 total pagecache pages
[  386.460730]  ? warn_alloc+0x120/0x120
[  386.469299] 0 pages in swap cache
[  386.473103]  ? print_usage_bug+0xc0/0xc0
[  386.476980] Swap cache stats: add 0, delete 0, find 0/0
[  386.480780]  ? print_usage_bug+0xc0/0xc0
[  386.484218] Free swap  = 0kB
[  386.484228] Total swap = 0kB
[  386.488288]  ? __lock_acquire+0x62f/0x4c20
[  386.493650] 1965979 pages RAM
[  386.497727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.500723] 0 pages HighMem/MovableOnly
[  386.503741]  ? should_fail+0x22d/0xd01
[  386.507977] 342855 pages reserved
[  386.511084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.516632] 0 pages cma reserved
[  386.520609]  ? __lock_acquire+0x62f/0x4c20
[  386.524548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.527942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.527957]  ? __lock_acquire+0x62f/0x4c20
[  386.527969]  ? should_fail+0x22d/0xd01
[  386.527986]  ? find_held_lock+0x36/0x1c0
[  386.533226] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.536464]  ? mark_held_locks+0x130/0x130
[  386.540676] syz-fuzzer cpuset=/ mems_allowed=0
[  386.547173]  ? mark_held_locks+0x130/0x130
[  386.587669]  ? zap_class+0x640/0x640
[  386.591399]  ? mark_held_locks+0xc7/0x130
[  386.595549]  ? do_raw_spin_unlock+0xa7/0x330
[  386.599964]  ? zap_class+0x640/0x640
[  386.603684]  ? print_usage_bug+0xc0/0xc0
[  386.607756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.613304]  ? check_preemption_disabled+0x48/0x280
[  386.618336]  ? __lock_is_held+0xb5/0x140
[  386.622408]  __alloc_pages_nodemask+0xa80/0xde0
[  386.627081]  ? zap_class+0x640/0x640
[  386.630825]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.635864]  ? find_held_lock+0x36/0x1c0
[  386.639941]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.644613]  ? lock_downgrade+0x900/0x900
[  386.648780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.654332]  cache_grow_begin+0xa5/0x8c0
[  386.658402]  ? do_raw_spin_unlock+0xa7/0x330
[  386.662829]  fallback_alloc+0x204/0x2e0
[  386.666826]  ____cache_alloc_node+0x1c7/0x1e0
[  386.671337]  kmem_cache_alloc_node+0xe3/0x730
[  386.675835]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.680086]  __alloc_skb+0x119/0x770
[  386.683806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.689096]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.693545]  ? lock_downgrade+0x900/0x900
[  386.697707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.703256]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.708719]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.714179]  ? addrconf_rs_timer+0x690/0x690
[  386.718607]  ndisc_alloc_skb+0x144/0x340
[  386.722683]  ndisc_send_rs+0x331/0x6e0
[  386.726579]  addrconf_rs_timer+0x314/0x690
[  386.730825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.735078]  call_timer_fn+0x272/0x920
[  386.738972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.743208]  ? process_timeout+0x40/0x40
[  386.747281]  ? __run_timers+0x7da/0xc70
[  386.751268]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.755770]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.760271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.764511]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.769132]  ? trace_hardirqs_on+0xbd/0x310
[  386.773466]  ? kasan_check_read+0x11/0x20
[  386.777614]  ? __run_timers+0x7da/0xc70
[  386.781594]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.786709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.790954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.795193]  __run_timers+0x7e5/0xc70
[  386.799008]  ? timer_fixup_init+0x70/0x70
[  386.803160]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.807659]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.812160]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.816745]  ? trace_hardirqs_on+0xbd/0x310
[  386.821073]  ? kasan_check_read+0x11/0x20
[  386.825237]  ? finish_task_switch+0x1f4/0x910
[  386.829737]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.834858]  ? compat_start_thread+0x80/0x80
[  386.839301]  ? pvclock_read_flags+0x160/0x160
[  386.843800]  ? __switch_to_asm+0x34/0x70
[  386.847893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.853438]  ? check_preemption_disabled+0x48/0x280
[  386.858471]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  386.864014]  ? rcu_pm_notify+0xc0/0xc0
[  386.867910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.873456]  ? check_preemption_disabled+0x48/0x280
[  386.878480]  run_timer_softirq+0x52/0xb0
[  386.882545]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.887565]  __do_softirq+0x308/0xb7e
[  386.891377]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.896316]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.901429]  ? schedule+0x108/0x460
[  386.905077]  ? trace_hardirqs_off+0xb8/0x310
[  386.909502]  ? smpboot_thread_fn+0x68b/0xa00
[  386.913915]  ? trace_hardirqs_on+0x310/0x310
[  386.918334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.923879]  ? check_preemption_disabled+0x48/0x280
[  386.928912]  ? takeover_tasklets+0xa90/0xa90
[  386.933326]  run_ksoftirqd+0x5e/0x100
[  386.937149]  smpboot_thread_fn+0x68b/0xa00
[  386.941396]  ? sort_range+0x30/0x30
[  386.945035]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.950145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.955698]  ? __kthread_parkme+0xfb/0x1a0
[  386.959939]  ? sort_range+0x30/0x30
[  386.963828]  kthread+0x35a/0x440
[  386.967203]  ? kthread_stop+0x900/0x900
[  386.971188]  ret_from_fork+0x3a/0x50
[  386.974926] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  386.975000] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.981515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.981524] Call Trace:
[  386.988201] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.997365]  <IRQ>
[  386.999938] ksoftirqd/0 cpuset=/ mems_allowed=0
[  387.010257]  dump_stack+0x244/0x39d
[  387.020671]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.025917]  warn_alloc.cold.116+0xb7/0x1bd
[  387.030249]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.035102]  ? lock_downgrade+0x900/0x900
[  387.039266]  ? trace_hardirqs_off+0xb8/0x310
[  387.043683]  ? trace_hardirqs_off+0xb8/0x310
[  387.048109]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.053000]  ? warn_alloc+0x120/0x120
[  387.056805]  ? print_usage_bug+0xc0/0xc0
[  387.060870]  ? warn_alloc+0x120/0x120
[  387.064681]  ? warn_alloc+0x120/0x120
[  387.068486]  ? print_usage_bug+0xc0/0xc0
[  387.072558]  ? print_usage_bug+0xc0/0xc0
[  387.076629]  ? __lock_acquire+0x62f/0x4c20
[  387.080896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.086440]  ? should_fail+0x22d/0xd01
[  387.090334]  ? __lock_acquire+0x62f/0x4c20
[  387.094580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.099704]  ? __lock_acquire+0x62f/0x4c20
[  387.103970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.109075]  ? __lock_acquire+0x62f/0x4c20
[  387.113309]  ? should_fail+0x22d/0xd01
[  387.117210]  ? mark_held_locks+0x130/0x130
[  387.121455]  ? mark_held_locks+0x130/0x130
[  387.125690]  ? zap_class+0x640/0x640
[  387.129406]  ? zap_class+0x640/0x640
[  387.133126]  ? print_usage_bug+0xc0/0xc0
[  387.137274]  ? do_raw_spin_unlock+0xa7/0x330
[  387.141687]  ? zap_class+0x640/0x640
[  387.145411]  ? print_usage_bug+0xc0/0xc0
[  387.149475]  ? wq_watchdog_touch+0x9c/0xfe
[  387.153716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.159266]  ? check_preemption_disabled+0x48/0x280
[  387.164332]  ? __lock_is_held+0xb5/0x140
[  387.168404]  __alloc_pages_nodemask+0xa80/0xde0
[  387.173075]  ? zap_class+0x640/0x640
[  387.176798]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.181832]  ? find_held_lock+0x36/0x1c0
[  387.185922]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.190603]  ? lock_downgrade+0x900/0x900
[  387.194779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.200340]  cache_grow_begin+0xa5/0x8c0
[  387.204407]  ? do_raw_spin_unlock+0xa7/0x330
[  387.208860]  fallback_alloc+0x204/0x2e0
[  387.212846]  ____cache_alloc_node+0x1c7/0x1e0
[  387.217353]  kmem_cache_alloc_node+0xe3/0x730
[  387.221853]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.226101]  __alloc_skb+0x119/0x770
[  387.229819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.235101]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.239514]  ? lock_downgrade+0x900/0x900
[  387.243692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.249235]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.254693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.260149]  ? addrconf_rs_timer+0x690/0x690
[  387.264573]  ndisc_alloc_skb+0x144/0x340
[  387.268677]  ndisc_send_rs+0x331/0x6e0
[  387.272574]  addrconf_rs_timer+0x314/0x690
[  387.276825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.281080]  call_timer_fn+0x272/0x920
[  387.285045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.289281]  ? process_timeout+0x40/0x40
[  387.293355]  ? mark_held_locks+0xc7/0x130
[  387.297504]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.302003]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.306500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.310744]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.315348]  ? trace_hardirqs_on+0xbd/0x310
[  387.319670]  ? kasan_check_read+0x11/0x20
[  387.323820]  ? __run_timers+0x7da/0xc70
[  387.327801]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.332947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.337184]  __run_timers+0x7e5/0xc70
[  387.340997]  ? timer_fixup_init+0x70/0x70
[  387.345153]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.350174]  ? zap_class+0x640/0x640
[  387.353904]  ? print_usage_bug+0xc0/0xc0
[  387.357965]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.363168]  ? find_held_lock+0x36/0x1c0
[  387.367250]  ? zap_class+0x640/0x640
[  387.370972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.376513]  ? check_preemption_disabled+0x48/0x280
[  387.381579]  ? __lock_is_held+0xb5/0x140
[  387.385669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.391208]  ? check_preemption_disabled+0x48/0x280
[  387.396237]  run_timer_softirq+0x52/0xb0
[  387.400302]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.405324]  __do_softirq+0x308/0xb7e
[  387.409141]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.413675]  ? lock_downgrade+0x900/0x900
[  387.417873]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.422993]  ? pvclock_read_flags+0x160/0x160
[  387.427498]  ? lapic_next_event+0x5a/0x90
[  387.431659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.437206]  ? kvm_clock_read+0x18/0x30
[  387.441192]  ? kvm_sched_clock_read+0x9/0x20
[  387.445604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.451163]  ? check_preemption_disabled+0x48/0x280
[  387.456191]  irq_exit+0x17f/0x1c0
[  387.459649]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.464501]  ? smp_reschedule_interrupt+0x109/0x650
[  387.469524]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.475415]  ? interrupt_entry+0xb5/0xc0
[  387.479488]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.484507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.489534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.494386]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.499404]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.504422]  ? task_prio+0x50/0x50
[  387.507969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.513512]  ? check_preemption_disabled+0x48/0x280
[  387.518537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.523425]  apic_timer_interrupt+0xf/0x20
[  387.527656]  </IRQ>
[  387.529899] RIP: 0010:console_unlock+0x102f/0x1190
[  387.534829] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  387.553765] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  387.561483] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  387.568752] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  387.576022] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  387.583299] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  387.590573] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  387.597865]  ? netconsole_netdev_event+0x280/0x280
[  387.602815]  ? console_unlock+0x1026/0x1190
[  387.607175]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  387.611844]  ? vprintk_emit+0x846/0x990
[  387.615825]  ? lock_release+0xa00/0xa00
[  387.619802]  ? trace_hardirqs_on+0x20/0x310
[  387.624129]  ? vprintk_default+0x28/0x30
[  387.628204]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.633333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.638880]  vprintk_emit+0x391/0x990
[  387.642684]  ? wake_up_klogd+0x180/0x180
[  387.646767]  ? match_held_lock+0x8c1/0x8d0
[  387.651047]  ? mark_held_locks+0xc7/0x130
[  387.655203]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.659700]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.664207]  vprintk_default+0x28/0x30
[  387.668096]  vprintk_func+0x7e/0x181
[  387.671822]  printk+0xa7/0xcf
[  387.674951]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  387.679718]  ? _raw_spin_unlock_irq+0x60/0x80
[  387.684231]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  387.689524]  dump_header+0x7cc/0xf72
[  387.693251]  ? pagefault_out_of_memory+0x197/0x197
[  387.698215]  ? __lock_acquire+0x62f/0x4c20
[  387.702454]  ? percpu_ref_get_many+0x240/0x240
[  387.707042]  ? print_usage_bug+0xc0/0xc0
[  387.711125]  ? zap_class+0x640/0x640
[  387.714858]  ? print_usage_bug+0xc0/0xc0
[  387.718933]  ? zap_class+0x640/0x640
[  387.722657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.728203]  ? find_held_lock+0x36/0x1c0
[  387.732279]  ? mark_held_locks+0xc7/0x130
[  387.736438]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.741546]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.746656]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.751243]  ? trace_hardirqs_on+0xbd/0x310
[  387.755566]  ? kasan_check_read+0x11/0x20
[  387.759741]  ? ___ratelimit+0x3b4/0x672
[  387.763724]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.768833]  ? trace_hardirqs_on+0x310/0x310
[  387.773248]  ? lock_downgrade+0x900/0x900
[  387.777408]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.782512]  ? ___ratelimit+0x3b9/0x672
[  387.786491]  ? idr_get_free+0xf70/0xf70
[  387.790468]  ? find_held_lock+0x36/0x1c0
[  387.794543]  oom_kill_process.cold.27+0x10/0x903
[  387.799301]  ? zap_class+0x640/0x640
[  387.803036]  ? check_preemption_disabled+0x48/0x280
[  387.808058]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  387.812989]  ? kasan_check_read+0x11/0x20
[  387.817150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.822433]  ? oom_evaluate_task+0x540/0x540
[  387.826847]  ? find_held_lock+0x36/0x1c0
[  387.830920]  ? out_of_memory+0x974/0x1430
[  387.835084]  ? lock_downgrade+0x900/0x900
[  387.839236]  ? check_preemption_disabled+0x48/0x280
[  387.844273]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  387.849211]  ? kasan_check_read+0x11/0x20
[  387.853362]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.858640]  ? rcu_softirq_qs+0x20/0x20
[  387.862627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.868180]  ? oom_evaluate_task+0x302/0x540
[  387.872601]  out_of_memory+0xa84/0x1430
[  387.876593]  ? oom_killer_disable+0x3a0/0x3a0
[  387.881096]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  387.886034]  ? __ww_mutex_check_waiters+0x160/0x160
[  387.891067]  __alloc_pages_slowpath+0x2354/0x2e10
[  387.895948]  ? warn_alloc+0x120/0x120
[  387.899772]  ? mark_held_locks+0x130/0x130
[  387.904017]  ? find_get_entry+0xaae/0x1120
[  387.908265]  ? filemap_map_pages+0x1a20/0x1a20
[  387.912854]  ? zap_class+0x640/0x640
[  387.916619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.922170]  ? check_preemption_disabled+0x48/0x280
[  387.927193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.932732]  ? should_fail+0x22d/0xd01
[  387.936641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.941761]  ? zap_class+0x640/0x640
[  387.945508]  ? __lock_is_held+0xb5/0x140
[  387.949593]  ? mark_held_locks+0x130/0x130
[  387.953850]  ? lock_release+0xa00/0xa00
[  387.957840]  ? perf_trace_sched_process_exec+0x860/0x860
[  387.963294]  ? xa_load+0x2ba/0x460
[  387.966843]  ? lock_downgrade+0x900/0x900
[  387.971001]  ? __might_sleep+0x95/0x190
[  387.974988]  __alloc_pages_nodemask+0xa80/0xde0
[  387.979672]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.984696]  ? __page_cache_alloc+0x191/0x5c0
[  387.989196]  ? xa_load+0x2e1/0x460
[  387.992765]  ? xa_clear_mark+0x40/0x40
[  387.996670]  ? zap_class+0x640/0x640
[  388.000395]  ? zap_class+0x640/0x640
[  388.004111]  ? zap_class+0x640/0x640
[  388.007842]  ? __do_page_cache_readahead+0x663/0x810
[  388.012965]  ? find_held_lock+0x36/0x1c0
[  388.017033]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  388.022587]  alloc_pages_current+0x173/0x350
[  388.027034]  __page_cache_alloc+0x38c/0x5c0
[  388.031356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.036287]  ? kasan_check_read+0x11/0x20
[  388.040437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.045720]  ? generic_perform_write+0x6a0/0x6a0
[  388.050483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.056037]  ? check_preemption_disabled+0x48/0x280
[  388.061068]  filemap_fault+0x1595/0x25f0
[  388.065167]  ? __lock_page_or_retry+0xa00/0xa00
[  388.069876]  ? mark_held_locks+0x130/0x130
[  388.074165]  ? filemap_map_pages+0xd6b/0x1a20
[  388.078665]  ? lock_downgrade+0x900/0x900
[  388.082820]  ? check_preemption_disabled+0x48/0x280
[  388.087847]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.092778]  ? kasan_check_read+0x11/0x20
[  388.096928]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.102210]  ? rcu_softirq_qs+0x20/0x20
[  388.106204]  ? filemap_map_pages+0xd92/0x1a20
[  388.110717]  ? find_get_entries_tag+0x1400/0x1400
[  388.115572]  ? debug_object_destroy+0x2b0/0x2b0
[  388.120263]  ? lock_pi_update_atomic+0x150/0x150
[  388.125031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.130594]  ? lock_acquire+0x1ed/0x520
[  388.134577]  ? ext4_filemap_fault+0x7a/0xad
[  388.138915]  ? lock_release+0xa00/0xa00
[  388.142899]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.148353]  ? print_usage_bug+0xc0/0xc0
[  388.152422]  ? print_usage_bug+0xc0/0xc0
[  388.156502]  ? down_read+0x8d/0x120
[  388.160134]  ? ext4_filemap_fault+0x7a/0xad
[  388.164462]  ? __down_interruptible+0x700/0x700
[  388.169165]  ext4_filemap_fault+0x82/0xad
[  388.173322]  __do_fault+0x100/0x6b0
[  388.176962]  ? pmd_devmap_trans_unstable+0x220/0x220
[  388.182072]  ? mark_held_locks+0x130/0x130
[  388.186316]  ? mark_held_locks+0x130/0x130
[  388.190562]  ? debug_smp_processor_id+0x1c/0x20
[  388.195233]  ? perf_trace_lock+0x14d/0x7a0
[  388.199479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.205035]  __handle_mm_fault+0x3ea6/0x5be0
[  388.209472]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  388.214326]  ? lock_is_held_type+0x210/0x210
[  388.218741]  ? ksys_dup3+0x680/0x680
[  388.222475]  ? zap_class+0x640/0x640
[  388.226190]  ? zap_class+0x640/0x640
[  388.229909]  ? __x64_sys_futex+0x53e/0x6a0
[  388.234153]  ? find_held_lock+0x36/0x1c0
[  388.238235]  ? handle_mm_fault+0x42a/0xc70
[  388.242474]  ? lock_downgrade+0x900/0x900
[  388.246641]  ? check_preemption_disabled+0x48/0x280
[  388.251664]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.256596]  ? kasan_check_read+0x11/0x20
[  388.260757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.266050]  ? rcu_softirq_qs+0x20/0x20
[  388.270027]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.275139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.280687]  ? check_preemption_disabled+0x48/0x280
[  388.285718]  handle_mm_fault+0x54f/0xc70
[  388.289792]  ? __handle_mm_fault+0x5be0/0x5be0
[  388.294381]  ? find_vma+0x34/0x190
[  388.297955]  __do_page_fault+0x5e8/0xe60
[  388.302019]  ? trace_hardirqs_off+0xb8/0x310
[  388.306445]  do_page_fault+0xf2/0x7e0
[  388.310253]  ? vmalloc_sync_all+0x30/0x30
[  388.314490]  ? error_entry+0x70/0xd0
[  388.318209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.323227]  ? trace_hardirqs_on_caller+0xc0/0x310
[  388.328395]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.333328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.338354]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.343372]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.348836]  ? prepare_exit_to_usermode+0x291/0x3b0
[  388.353856]  ? page_fault+0x8/0x30
[  388.357405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.362259]  ? page_fault+0x8/0x30
[  388.365802]  page_fault+0x1e/0x30
[  388.369259] RIP: 0033:0x40f9c0
[  388.372476] Code: Bad RIP value.
[  388.375841] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  388.381204] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  388.388475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  388.395743] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  388.403024] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  388.410306] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  388.417623] warn_alloc_show_mem: 1 callbacks suppressed
[  388.417635] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  388.417637] Mem-Info:
[  388.417667] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  388.417667]  active_file:15 inactive_file:12 isolated_file:0
[  388.417667]  unevictable:0 dirty:0 writeback:0 unstable:0
[  388.417667]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  388.417667]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  388.417667]  free:13790 free_pcp:473 free_cma:0
[  388.423020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.429445] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  388.431846] Call Trace:
[  388.465469] 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
[  388.474878]  dump_stack+0x244/0x39d
[  388.502536] lowmem_reserve[]: 0 2818 6321 6321
[  388.505186]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.531273] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  388.534930]  warn_alloc.cold.116+0xb7/0x1bd
[  388.539474] lowmem_reserve[]: 0 0 3503 3503
[  388.544662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.572170] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  388.576506]  ? lock_downgrade+0x900/0x900
[  388.580800] lowmem_reserve[]: 0 0 0 0
[  388.585646]  ? trace_hardirqs_off+0xb8/0x310
[  388.614782] 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
[  388.618946]  ? trace_hardirqs_off+0xb8/0x310
[  388.622711] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  388.627129]  __alloc_pages_slowpath+0x26e8/0x2e10
[  388.640625] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  388.645065]  ? warn_alloc+0x120/0x120
[  388.660375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.665218]  ? print_usage_bug+0xc0/0xc0
[  388.680555] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.684357]  ? warn_alloc+0x120/0x120
[  388.693166] 2571 total pagecache pages
[  388.697222]  ? warn_alloc+0x120/0x120
[  388.705796] 0 pages in swap cache
[  388.709589]  ? print_usage_bug+0xc0/0xc0
[  388.713452] Swap cache stats: add 0, delete 0, find 0/0
[  388.713462] Free swap  = 0kB
[  388.717259]  ? print_usage_bug+0xc0/0xc0
[  388.720689] Total swap = 0kB
[  388.724744]  ? print_usage_bug+0xc0/0xc0
[  388.730089] 1965979 pages RAM
[  388.733119]  ? __lock_acquire+0x62f/0x4c20
[  388.733141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.737184] 0 pages HighMem/MovableOnly
[  388.740234]  ? should_fail+0x22d/0xd01
[  388.744279] 342855 pages reserved
[  388.747381]  ? __lock_acquire+0x62f/0x4c20
[  388.751587] 0 pages cma reserved
[  388.751666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.757144]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.757161]  ? __lock_acquire+0x62f/0x4c20
[  388.757180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.761214] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.765034]  ? __lock_acquire+0x62f/0x4c20
[  388.768481] syz-fuzzer cpuset=/ mems_allowed=0
[  388.772713]  ? should_fail+0x22d/0xd01
[  388.819862]  ? mark_held_locks+0x130/0x130
[  388.824112]  ? mark_held_locks+0x130/0x130
[  388.828347]  ? zap_class+0x640/0x640
[  388.832076]  ? zap_class+0x640/0x640
[  388.835798]  ? print_usage_bug+0xc0/0xc0
[  388.839860]  ? mark_held_locks+0x130/0x130
[  388.844103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.849656]  ? check_preemption_disabled+0x48/0x280
[  388.854697]  ? __lock_is_held+0xb5/0x140
[  388.858764]  __alloc_pages_nodemask+0xa80/0xde0
[  388.863450]  ? zap_class+0x640/0x640
[  388.867203]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.872239]  ? find_held_lock+0x36/0x1c0
[  388.876317]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.881012]  ? lock_downgrade+0x900/0x900
[  388.885196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.890766]  cache_grow_begin+0xa5/0x8c0
[  388.894850]  ? do_raw_spin_unlock+0xa7/0x330
[  388.899276]  fallback_alloc+0x204/0x2e0
[  388.903279]  ____cache_alloc_node+0x1c7/0x1e0
[  388.907806]  kmem_cache_alloc_node+0xe3/0x730
[  388.912310]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.916564]  __alloc_skb+0x119/0x770
[  388.920296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.925588]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.930003]  ? lock_downgrade+0x900/0x900
[  388.934169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.939742]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.945216]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.950689]  ? addrconf_rs_timer+0x690/0x690
[  388.955157]  ndisc_alloc_skb+0x144/0x340
[  388.959253]  ndisc_send_rs+0x331/0x6e0
[  388.963158]  addrconf_rs_timer+0x314/0x690
[  388.967402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.971657]  call_timer_fn+0x272/0x920
[  388.975557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.979819]  ? process_timeout+0x40/0x40
[  388.983905]  ? __run_timers+0x7da/0xc70
[  388.987899]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.992407]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.996924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.001163]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.005754]  ? trace_hardirqs_on+0xbd/0x310
[  389.010074]  ? kasan_check_read+0x11/0x20
[  389.014239]  ? __run_timers+0x7da/0xc70
[  389.018221]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.023344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.027602]  __run_timers+0x7e5/0xc70
[  389.031417]  ? timer_fixup_init+0x70/0x70
[  389.035589]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.040112]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.044626]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.049220]  ? trace_hardirqs_on+0xbd/0x310
[  389.053561]  ? kasan_check_read+0x11/0x20
[  389.057718]  ? finish_task_switch+0x1f4/0x910
[  389.062224]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.067328]  ? compat_start_thread+0x80/0x80
[  389.071762]  ? pvclock_read_flags+0x160/0x160
[  389.076269]  ? __switch_to_asm+0x34/0x70
[  389.080339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.085892]  ? check_preemption_disabled+0x48/0x280
[  389.090921]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  389.096462]  ? rcu_pm_notify+0xc0/0xc0
[  389.100354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.105894]  ? check_preemption_disabled+0x48/0x280
[  389.110930]  run_timer_softirq+0x52/0xb0
[  389.114995]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.120017]  __do_softirq+0x308/0xb7e
[  389.123824]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.128760]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.133900]  ? schedule+0x108/0x460
[  389.137540]  ? trace_hardirqs_off+0xb8/0x310
[  389.141954]  ? smpboot_thread_fn+0x68b/0xa00
[  389.146394]  ? trace_hardirqs_on+0x310/0x310
[  389.150827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.156389]  ? check_preemption_disabled+0x48/0x280
[  389.161410]  ? takeover_tasklets+0xa90/0xa90
[  389.165825]  run_ksoftirqd+0x5e/0x100
[  389.169642]  smpboot_thread_fn+0x68b/0xa00
[  389.173886]  ? sort_range+0x30/0x30
[  389.177518]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.182627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.188173]  ? __kthread_parkme+0xfb/0x1a0
[  389.192440]  ? sort_range+0x30/0x30
[  389.196072]  kthread+0x35a/0x440
[  389.199452]  ? kthread_stop+0x900/0x900
[  389.203433]  ret_from_fork+0x3a/0x50
[  389.207188] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  389.207263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.213779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.213788] Call Trace:
[  389.220372] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.229622]  <IRQ>
[  389.232200] ksoftirqd/0 cpuset=/ mems_allowed=0
[  389.242686]  dump_stack+0x244/0x39d
[  389.253106]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.258333]  warn_alloc.cold.116+0xb7/0x1bd
[  389.262664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.267516]  ? lock_downgrade+0x900/0x900
[  389.271681]  ? trace_hardirqs_off+0xb8/0x310
[  389.276122]  ? trace_hardirqs_off+0xb8/0x310
[  389.280546]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.285429]  ? warn_alloc+0x120/0x120
[  389.289251]  ? print_usage_bug+0xc0/0xc0
[  389.293327]  ? warn_alloc+0x120/0x120
[  389.297140]  ? warn_alloc+0x120/0x120
[  389.300947]  ? print_usage_bug+0xc0/0xc0
[  389.305012]  ? print_usage_bug+0xc0/0xc0
[  389.309102]  ? __lock_acquire+0x62f/0x4c20
[  389.313396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.318952]  ? should_fail+0x22d/0xd01
[  389.322847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.327957]  ? __lock_acquire+0x62f/0x4c20
[  389.332201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.337305]  ? __lock_acquire+0x62f/0x4c20
[  389.341542]  ? should_fail+0x22d/0xd01
[  389.345458]  ? find_held_lock+0x36/0x1c0
[  389.349553]  ? mark_held_locks+0x130/0x130
[  389.353803]  ? mark_held_locks+0x130/0x130
[  389.358044]  ? zap_class+0x640/0x640
[  389.361768]  ? zap_class+0x640/0x640
[  389.365488]  ? print_usage_bug+0xc0/0xc0
[  389.369553]  ? do_raw_spin_unlock+0xa7/0x330
[  389.373965]  ? zap_class+0x640/0x640
[  389.377688]  ? print_usage_bug+0xc0/0xc0
[  389.381752]  ? wq_watchdog_touch+0x9c/0xfe
[  389.385992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.391538]  ? check_preemption_disabled+0x48/0x280
[  389.396571]  ? __lock_is_held+0xb5/0x140
[  389.400651]  __alloc_pages_nodemask+0xa80/0xde0
[  389.405329]  ? zap_class+0x640/0x640
[  389.409055]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.414090]  ? find_held_lock+0x36/0x1c0
[  389.418173]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.422849]  ? lock_downgrade+0x900/0x900
[  389.427008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.432556]  cache_grow_begin+0xa5/0x8c0
[  389.436627]  ? do_raw_spin_unlock+0xa7/0x330
[  389.441054]  fallback_alloc+0x204/0x2e0
[  389.445042]  ____cache_alloc_node+0x1c7/0x1e0
[  389.449565]  kmem_cache_alloc_node+0xe3/0x730
[  389.454065]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.458313]  __alloc_skb+0x119/0x770
[  389.462030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.467314]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.471729]  ? lock_downgrade+0x900/0x900
[  389.475934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.481495]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.486969]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.492454]  ? addrconf_rs_timer+0x690/0x690
[  389.496882]  ndisc_alloc_skb+0x144/0x340
[  389.500962]  ndisc_send_rs+0x331/0x6e0
[  389.504859]  addrconf_rs_timer+0x314/0x690
[  389.509103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.513360]  call_timer_fn+0x272/0x920
[  389.517253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.521492]  ? process_timeout+0x40/0x40
[  389.525567]  ? mark_held_locks+0xc7/0x130
[  389.529725]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.534228]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.538724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.542994]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.547588]  ? trace_hardirqs_on+0xbd/0x310
[  389.551917]  ? kasan_check_read+0x11/0x20
[  389.556081]  ? __run_timers+0x7da/0xc70
[  389.560080]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.565233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.569497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.573756]  __run_timers+0x7e5/0xc70
[  389.577592]  ? timer_fixup_init+0x70/0x70
[  389.581812]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.586859]  ? zap_class+0x640/0x640
[  389.590583]  ? print_usage_bug+0xc0/0xc0
[  389.594657]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.599859]  ? find_held_lock+0x36/0x1c0
[  389.603943]  ? zap_class+0x640/0x640
[  389.607666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.613206]  ? check_preemption_disabled+0x48/0x280
[  389.618236]  ? __lock_is_held+0xb5/0x140
[  389.622303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.627843]  ? check_preemption_disabled+0x48/0x280
[  389.632874]  run_timer_softirq+0x52/0xb0
[  389.636940]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.641958]  __do_softirq+0x308/0xb7e
[  389.645769]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.650292]  ? lock_downgrade+0x900/0x900
[  389.654453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.659584]  ? pvclock_read_flags+0x160/0x160
[  389.664156]  ? lapic_next_event+0x5a/0x90
[  389.668318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.673882]  ? kvm_clock_read+0x18/0x30
[  389.677875]  ? kvm_sched_clock_read+0x9/0x20
[  389.682289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.687832]  ? check_preemption_disabled+0x48/0x280
[  389.692881]  irq_exit+0x17f/0x1c0
[  389.696343]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.701189]  ? smp_reschedule_interrupt+0x109/0x650
[  389.706245]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.712147]  ? interrupt_entry+0xb5/0xc0
[  389.716211]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.721230]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.726277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.731128]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.736148]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.741170]  ? task_prio+0x50/0x50
[  389.744716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.750261]  ? check_preemption_disabled+0x48/0x280
[  389.755290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.760162]  apic_timer_interrupt+0xf/0x20
[  389.764395]  </IRQ>
[  389.766642] RIP: 0010:console_unlock+0x102f/0x1190
[  389.771572] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  389.790492] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  389.798206] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  389.805481] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  389.812747] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  389.820014] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  389.827285] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  389.834577]  ? netconsole_netdev_event+0x280/0x280
[  389.839535]  ? console_unlock+0x1026/0x1190
[  389.843880]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  389.848553]  ? vprintk_emit+0x846/0x990
[  389.852534]  ? lock_release+0xa00/0xa00
[  389.856512]  ? trace_hardirqs_on+0x20/0x310
[  389.860834]  ? vprintk_default+0x28/0x30
[  389.864909]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.870017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.875575]  vprintk_emit+0x391/0x990
[  389.879391]  ? wake_up_klogd+0x180/0x180
[  389.883478]  ? match_held_lock+0x8c1/0x8d0
[  389.887752]  ? mark_held_locks+0xc7/0x130
[  389.891921]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.896422]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.900923]  vprintk_default+0x28/0x30
[  389.904831]  vprintk_func+0x7e/0x181
[  389.908553]  printk+0xa7/0xcf
[  389.911671]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  389.916437]  ? _raw_spin_unlock_irq+0x60/0x80
[  389.920960]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  389.926262]  dump_header+0x7cc/0xf72
[  389.929991]  ? pagefault_out_of_memory+0x197/0x197
[  389.934934]  ? __lock_acquire+0x62f/0x4c20
[  389.939182]  ? percpu_ref_get_many+0x240/0x240
[  389.943773]  ? print_usage_bug+0xc0/0xc0
[  389.947844]  ? zap_class+0x640/0x640
[  389.951590]  ? print_usage_bug+0xc0/0xc0
[  389.955661]  ? zap_class+0x640/0x640
[  389.959395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.964942]  ? find_held_lock+0x36/0x1c0
[  389.969016]  ? mark_held_locks+0xc7/0x130
[  389.973174]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.978283]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.983390]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.987981]  ? trace_hardirqs_on+0xbd/0x310
[  389.992307]  ? kasan_check_read+0x11/0x20
[  389.996457]  ? ___ratelimit+0x3b4/0x672
[  390.000434]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.005545]  ? trace_hardirqs_on+0x310/0x310
[  390.009957]  ? lock_downgrade+0x900/0x900
[  390.014128]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.019238]  ? ___ratelimit+0x3b9/0x672
[  390.023230]  ? idr_get_free+0xf70/0xf70
[  390.027222]  ? find_held_lock+0x36/0x1c0
[  390.031313]  oom_kill_process.cold.27+0x10/0x903
[  390.036089]  ? zap_class+0x640/0x640
[  390.039811]  ? check_preemption_disabled+0x48/0x280
[  390.044839]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.049777]  ? kasan_check_read+0x11/0x20
[  390.053944]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.059236]  ? oom_evaluate_task+0x540/0x540
[  390.063657]  ? find_held_lock+0x36/0x1c0
[  390.067755]  ? out_of_memory+0x974/0x1430
[  390.071910]  ? lock_downgrade+0x900/0x900
[  390.076063]  ? check_preemption_disabled+0x48/0x280
[  390.081088]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.086025]  ? kasan_check_read+0x11/0x20
[  390.090215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.095506]  ? rcu_softirq_qs+0x20/0x20
[  390.099492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.105033]  ? oom_evaluate_task+0x302/0x540
[  390.109449]  out_of_memory+0xa84/0x1430
[  390.113458]  ? oom_killer_disable+0x3a0/0x3a0
[  390.117974]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  390.122920]  ? __ww_mutex_check_waiters+0x160/0x160
[  390.127956]  __alloc_pages_slowpath+0x2354/0x2e10
[  390.132832]  ? warn_alloc+0x120/0x120
[  390.136643]  ? mark_held_locks+0x130/0x130
[  390.140902]  ? find_get_entry+0xaae/0x1120
[  390.145149]  ? filemap_map_pages+0x1a20/0x1a20
[  390.149741]  ? zap_class+0x640/0x640
[  390.153464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.159014]  ? check_preemption_disabled+0x48/0x280
[  390.164033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.169584]  ? should_fail+0x22d/0xd01
[  390.173504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.178624]  ? zap_class+0x640/0x640
[  390.182378]  ? __lock_is_held+0xb5/0x140
[  390.186456]  ? mark_held_locks+0x130/0x130
[  390.190737]  ? lock_release+0xa00/0xa00
[  390.194735]  ? perf_trace_sched_process_exec+0x860/0x860
[  390.200191]  ? xa_load+0x2ba/0x460
[  390.203740]  ? lock_downgrade+0x900/0x900
[  390.207922]  ? __might_sleep+0x95/0x190
[  390.211908]  __alloc_pages_nodemask+0xa80/0xde0
[  390.216619]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.221644]  ? __page_cache_alloc+0x191/0x5c0
[  390.226140]  ? xa_load+0x2e1/0x460
[  390.229699]  ? xa_clear_mark+0x40/0x40
[  390.233592]  ? zap_class+0x640/0x640
[  390.237346]  ? zap_class+0x640/0x640
[  390.241071]  ? zap_class+0x640/0x640
[  390.244787]  ? __do_page_cache_readahead+0x663/0x810
[  390.249898]  ? find_held_lock+0x36/0x1c0
[  390.253967]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  390.259525]  alloc_pages_current+0x173/0x350
[  390.263944]  __page_cache_alloc+0x38c/0x5c0
[  390.268268]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.273215]  ? kasan_check_read+0x11/0x20
[  390.277370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.282666]  ? generic_perform_write+0x6a0/0x6a0
[  390.287427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.292972]  ? check_preemption_disabled+0x48/0x280
[  390.298003]  filemap_fault+0x1595/0x25f0
[  390.302098]  ? __lock_page_or_retry+0xa00/0xa00
[  390.306777]  ? mark_held_locks+0x130/0x130
[  390.311026]  ? filemap_map_pages+0xd6b/0x1a20
[  390.315532]  ? lock_downgrade+0x900/0x900
[  390.319682]  ? check_preemption_disabled+0x48/0x280
[  390.324704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.330003]  ? kasan_check_read+0x11/0x20
[  390.334155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.339438]  ? rcu_softirq_qs+0x20/0x20
[  390.343443]  ? filemap_map_pages+0xd92/0x1a20
[  390.347955]  ? find_get_entries_tag+0x1400/0x1400
[  390.352808]  ? debug_object_destroy+0x2b0/0x2b0
[  390.357476]  ? lock_pi_update_atomic+0x150/0x150
[  390.362231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.367795]  ? lock_acquire+0x1ed/0x520
[  390.371772]  ? ext4_filemap_fault+0x7a/0xad
[  390.376113]  ? lock_release+0xa00/0xa00
[  390.380091]  ? perf_trace_sched_process_exec+0x860/0x860
[  390.385550]  ? print_usage_bug+0xc0/0xc0
[  390.389626]  ? print_usage_bug+0xc0/0xc0
[  390.393722]  ? down_read+0x8d/0x120
[  390.397351]  ? ext4_filemap_fault+0x7a/0xad
[  390.401679]  ? __down_interruptible+0x700/0x700
[  390.406375]  ext4_filemap_fault+0x82/0xad
[  390.410533]  __do_fault+0x100/0x6b0
[  390.414167]  ? pmd_devmap_trans_unstable+0x220/0x220
[  390.419290]  ? mark_held_locks+0x130/0x130
[  390.423540]  ? mark_held_locks+0x130/0x130
[  390.427779]  ? debug_smp_processor_id+0x1c/0x20
[  390.432449]  ? perf_trace_lock+0x14d/0x7a0
[  390.437169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.442739]  __handle_mm_fault+0x3ea6/0x5be0
[  390.447174]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  390.452022]  ? lock_is_held_type+0x210/0x210
[  390.456438]  ? ksys_dup3+0x680/0x680
[  390.460183]  ? zap_class+0x640/0x640
[  390.463901]  ? zap_class+0x640/0x640
[  390.467625]  ? __x64_sys_futex+0x53e/0x6a0
[  390.471881]  ? find_held_lock+0x36/0x1c0
[  390.475957]  ? handle_mm_fault+0x42a/0xc70
[  390.480212]  ? lock_downgrade+0x900/0x900
[  390.484366]  ? check_preemption_disabled+0x48/0x280
[  390.489390]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.494334]  ? kasan_check_read+0x11/0x20
[  390.498497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.503781]  ? rcu_softirq_qs+0x20/0x20
[  390.507758]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.512863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.518418]  ? check_preemption_disabled+0x48/0x280
[  390.523446]  handle_mm_fault+0x54f/0xc70
[  390.527518]  ? __handle_mm_fault+0x5be0/0x5be0
[  390.532111]  ? find_vma+0x34/0x190
[  390.535702]  __do_page_fault+0x5e8/0xe60
[  390.539768]  ? trace_hardirqs_off+0xb8/0x310
[  390.544203]  do_page_fault+0xf2/0x7e0
[  390.548010]  ? vmalloc_sync_all+0x30/0x30
[  390.552174]  ? error_entry+0x70/0xd0
[  390.555902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.560917]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.565869]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.570815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.575679]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.580698]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.586155]  ? prepare_exit_to_usermode+0x291/0x3b0
[  390.591181]  ? page_fault+0x8/0x30
[  390.594727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.599592]  ? page_fault+0x8/0x30
[  390.603155]  page_fault+0x1e/0x30
[  390.606614] RIP: 0033:0x40f9c0
[  390.609824] Code: Bad RIP value.
[  390.613189] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  390.618551] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  390.625819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  390.633107] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  390.640383] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  390.647655] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  390.654967] warn_alloc_show_mem: 1 callbacks suppressed
[  390.654979] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  390.654981] Mem-Info:
[  390.655011] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  390.655011]  active_file:15 inactive_file:12 isolated_file:0
[  390.655011]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.655011]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  390.655011]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  390.655011]  free:13790 free_pcp:473 free_cma:0
[  390.660367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.666782] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.669194] Call Trace:
[  390.702249] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  390.711617]  dump_stack+0x244/0x39d
[  390.739261] lowmem_reserve[]: 0 2818 6321 6321
[  390.741864]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.767957] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  390.771623]  warn_alloc.cold.116+0xb7/0x1bd
[  390.776173] lowmem_reserve[]: 0 0 3503 3503
[  390.781374]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.808862] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  390.813202]  ? lock_downgrade+0x900/0x900
[  390.817522] lowmem_reserve[]: 0 0 0 0
[  390.822369]  ? trace_hardirqs_off+0xb8/0x310
[  390.851501] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  390.855657]  ? trace_hardirqs_off+0xb8/0x310
[  390.859425] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  390.863849]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.877348] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  390.881785]  ? warn_alloc+0x120/0x120
[  390.897102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.901944]  ? print_usage_bug+0xc0/0xc0
[  390.917275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.921071]  ? warn_alloc+0x120/0x120
[  390.929899] 2571 total pagecache pages
[  390.933972]  ? warn_alloc+0x120/0x120
[  390.942531] 0 pages in swap cache
[  390.946326]  ? print_usage_bug+0xc0/0xc0
[  390.950194] Swap cache stats: add 0, delete 0, find 0/0
[  390.953991]  ? print_usage_bug+0xc0/0xc0
[  390.957420] Free swap  = 0kB
[  390.961487]  ? __lock_acquire+0x62f/0x4c20
[  390.966830] Total swap = 0kB
[  390.970904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.973925] 1965979 pages RAM
[  390.978162]  ? should_fail+0x22d/0xd01
[  390.981161] 0 pages HighMem/MovableOnly
[  390.986705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.989782] 342855 pages reserved
[  390.993710]  ? __lock_acquire+0x62f/0x4c20
[  390.997662] 0 pages cma reserved
[  391.002772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.006261] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.010458]  ? __lock_acquire+0x62f/0x4c20
[  391.010501]  ? should_fail+0x22d/0xd01
[  391.013918] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.018962]  ? find_held_lock+0x36/0x1c0
[  391.025432] syz-fuzzer cpuset=/ mems_allowed=0
[  391.029672]  ? mark_held_locks+0x130/0x130
[  391.056600]  ? mark_held_locks+0x130/0x130
[  391.060836]  ? zap_class+0x640/0x640
[  391.064563]  ? mark_held_locks+0xc7/0x130
[  391.068736]  ? do_raw_spin_unlock+0xa7/0x330
[  391.073157]  ? zap_class+0x640/0x640
[  391.076892]  ? print_usage_bug+0xc0/0xc0
[  391.080982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.086542]  ? check_preemption_disabled+0x48/0x280
[  391.091589]  ? __lock_is_held+0xb5/0x140
[  391.095661]  __alloc_pages_nodemask+0xa80/0xde0
[  391.100335]  ? zap_class+0x640/0x640
[  391.104060]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.109137]  ? find_held_lock+0x36/0x1c0
[  391.113224]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.117899]  ? lock_downgrade+0x900/0x900
[  391.122103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.127671]  cache_grow_begin+0xa5/0x8c0
[  391.131734]  ? do_raw_spin_unlock+0xa7/0x330
[  391.136166]  fallback_alloc+0x204/0x2e0
[  391.140149]  ____cache_alloc_node+0x1c7/0x1e0
[  391.144665]  kmem_cache_alloc_node+0xe3/0x730
[  391.149166]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.153414]  __alloc_skb+0x119/0x770
[  391.157145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.162457]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.166890]  ? lock_downgrade+0x900/0x900
[  391.171065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.176651]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.182120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.187577]  ? addrconf_rs_timer+0x690/0x690
[  391.192013]  ndisc_alloc_skb+0x144/0x340
[  391.196082]  ndisc_send_rs+0x331/0x6e0
[  391.199992]  addrconf_rs_timer+0x314/0x690
[  391.204237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.208487]  call_timer_fn+0x272/0x920
[  391.212377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.216612]  ? process_timeout+0x40/0x40
[  391.220686]  ? __run_timers+0x7da/0xc70
[  391.224667]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.229169]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.233668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.237903]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.242504]  ? trace_hardirqs_on+0xbd/0x310
[  391.246831]  ? kasan_check_read+0x11/0x20
[  391.250980]  ? __run_timers+0x7da/0xc70
[  391.254978]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.260087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.264374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.268609]  __run_timers+0x7e5/0xc70
[  391.272426]  ? timer_fixup_init+0x70/0x70
[  391.276591]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.281143]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.285666]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.290277]  ? trace_hardirqs_on+0xbd/0x310
[  391.294611]  ? kasan_check_read+0x11/0x20
[  391.298775]  ? finish_task_switch+0x1f4/0x910
[  391.303278]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.308384]  ? compat_start_thread+0x80/0x80
[  391.312814]  ? pvclock_read_flags+0x160/0x160
[  391.317309]  ? __switch_to_asm+0x34/0x70
[  391.321376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.326920]  ? check_preemption_disabled+0x48/0x280
[  391.332426]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  391.338180]  ? rcu_pm_notify+0xc0/0xc0
[  391.342099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.347652]  ? check_preemption_disabled+0x48/0x280
[  391.352682]  run_timer_softirq+0x52/0xb0
[  391.356748]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.361769]  __do_softirq+0x308/0xb7e
[  391.365578]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.370514]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.375630]  ? schedule+0x108/0x460
[  391.379287]  ? trace_hardirqs_off+0xb8/0x310
[  391.383702]  ? smpboot_thread_fn+0x68b/0xa00
[  391.388138]  ? trace_hardirqs_on+0x310/0x310
[  391.392557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.398116]  ? check_preemption_disabled+0x48/0x280
[  391.403169]  ? takeover_tasklets+0xa90/0xa90
[  391.407598]  run_ksoftirqd+0x5e/0x100
[  391.411409]  smpboot_thread_fn+0x68b/0xa00
[  391.415652]  ? sort_range+0x30/0x30
[  391.419284]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.424397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.429947]  ? __kthread_parkme+0xfb/0x1a0
[  391.434193]  ? sort_range+0x30/0x30
[  391.438193]  kthread+0x35a/0x440
[  391.441566]  ? kthread_stop+0x900/0x900
[  391.445575]  ret_from_fork+0x3a/0x50
[  391.449325] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  391.449400] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.455913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.455918] Call Trace:
[  391.455925]  <IRQ>
[  391.455943]  dump_stack+0x244/0x39d
[  391.455978]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.462536] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.471843]  warn_alloc.cold.116+0xb7/0x1bd
[  391.474398] ksoftirqd/0 cpuset=/ mems_allowed=0
[  391.476546]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.509434]  ? lock_downgrade+0x900/0x900
[  391.513597]  ? trace_hardirqs_off+0xb8/0x310
[  391.518022]  ? trace_hardirqs_off+0xb8/0x310
[  391.522443]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.527323]  ? warn_alloc+0x120/0x120
[  391.531136]  ? print_usage_bug+0xc0/0xc0
[  391.535213]  ? warn_alloc+0x120/0x120
[  391.539021]  ? warn_alloc+0x120/0x120
[  391.542830]  ? print_usage_bug+0xc0/0xc0
[  391.546899]  ? print_usage_bug+0xc0/0xc0
[  391.550965]  ? __lock_acquire+0x62f/0x4c20
[  391.555220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.560758]  ? should_fail+0x22d/0xd01
[  391.564651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.569757]  ? __lock_acquire+0x62f/0x4c20
[  391.574002]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.579105]  ? __lock_acquire+0x62f/0x4c20
[  391.583369]  ? should_fail+0x22d/0xd01
[  391.587260]  ? find_held_lock+0x36/0x1c0
[  391.591336]  ? mark_held_locks+0x130/0x130
[  391.595590]  ? mark_held_locks+0x130/0x130
[  391.599834]  ? zap_class+0x640/0x640
[  391.603551]  ? zap_class+0x640/0x640
[  391.607271]  ? print_usage_bug+0xc0/0xc0
[  391.611333]  ? do_raw_spin_unlock+0xa7/0x330
[  391.615744]  ? zap_class+0x640/0x640
[  391.619457]  ? print_usage_bug+0xc0/0xc0
[  391.623519]  ? wq_watchdog_touch+0x9c/0xfe
[  391.627762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.633314]  ? check_preemption_disabled+0x48/0x280
[  391.638345]  ? __lock_is_held+0xb5/0x140
[  391.642430]  __alloc_pages_nodemask+0xa80/0xde0
[  391.647099]  ? zap_class+0x640/0x640
[  391.650823]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.655859]  ? find_held_lock+0x36/0x1c0
[  391.659950]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.664629]  ? lock_downgrade+0x900/0x900
[  391.668793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.674348]  cache_grow_begin+0xa5/0x8c0
[  391.678427]  ? do_raw_spin_unlock+0xa7/0x330
[  391.682856]  fallback_alloc+0x204/0x2e0
[  391.686856]  ____cache_alloc_node+0x1c7/0x1e0
[  391.691378]  kmem_cache_alloc_node+0xe3/0x730
[  391.695876]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.700139]  __alloc_skb+0x119/0x770
[  391.703863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.709163]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.713575]  ? lock_downgrade+0x900/0x900
[  391.717742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.723287]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.728746]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.734208]  ? addrconf_rs_timer+0x690/0x690
[  391.738650]  ndisc_alloc_skb+0x144/0x340
[  391.742717]  ndisc_send_rs+0x331/0x6e0
[  391.746618]  addrconf_rs_timer+0x314/0x690
[  391.750863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.755112]  call_timer_fn+0x272/0x920
[  391.759005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.763255]  ? process_timeout+0x40/0x40
[  391.767351]  ? mark_held_locks+0xc7/0x130
[  391.771509]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.776008]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.780505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.784741]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.789332]  ? trace_hardirqs_on+0xbd/0x310
[  391.793659]  ? kasan_check_read+0x11/0x20
[  391.797807]  ? __run_timers+0x7da/0xc70
[  391.801788]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.806898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.811142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.815382]  __run_timers+0x7e5/0xc70
[  391.819200]  ? timer_fixup_init+0x70/0x70
[  391.823352]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.828371]  ? zap_class+0x640/0x640
[  391.832094]  ? print_usage_bug+0xc0/0xc0
[  391.836162]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.841364]  ? find_held_lock+0x36/0x1c0
[  391.845437]  ? zap_class+0x640/0x640
[  391.849166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.854706]  ? check_preemption_disabled+0x48/0x280
[  391.859750]  ? __lock_is_held+0xb5/0x140
[  391.863824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.869368]  ? check_preemption_disabled+0x48/0x280
[  391.874395]  run_timer_softirq+0x52/0xb0
[  391.878486]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.883515]  __do_softirq+0x308/0xb7e
[  391.887324]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.891829]  ? lock_downgrade+0x900/0x900
[  391.895981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.901110]  ? pvclock_read_flags+0x160/0x160
[  391.905620]  ? lapic_next_event+0x5a/0x90
[  391.909774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.915321]  ? kvm_clock_read+0x18/0x30
[  391.919310]  ? kvm_sched_clock_read+0x9/0x20
[  391.923721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.929263]  ? check_preemption_disabled+0x48/0x280
[  391.934297]  irq_exit+0x17f/0x1c0
[  391.937768]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.942617]  ? smp_reschedule_interrupt+0x109/0x650
[  391.947642]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.953530]  ? interrupt_entry+0xb5/0xc0
[  391.957612]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.962652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.967677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.972537]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.977570]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.982589]  ? task_prio+0x50/0x50
[  391.986139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.991681]  ? check_preemption_disabled+0x48/0x280
[  391.996718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.001600]  apic_timer_interrupt+0xf/0x20
[  392.005874]  </IRQ>
[  392.008127] RIP: 0010:console_unlock+0x102f/0x1190
[  392.013063] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  392.031969] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  392.039680] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  392.046953] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  392.054228] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  392.061505] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  392.068776] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  392.076099]  ? netconsole_netdev_event+0x280/0x280
[  392.081076]  ? console_unlock+0x1026/0x1190
[  392.085482]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  392.090162]  ? vprintk_emit+0x846/0x990
[  392.094151]  ? lock_release+0xa00/0xa00
[  392.098130]  ? trace_hardirqs_on+0x20/0x310
[  392.102466]  ? vprintk_default+0x28/0x30
[  392.106556]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.111686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.117234]  vprintk_emit+0x391/0x990
[  392.121045]  ? wake_up_klogd+0x180/0x180
[  392.125128]  ? match_held_lock+0x8c1/0x8d0
[  392.129378]  ? mark_held_locks+0xc7/0x130
[  392.133538]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.138036]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.142544]  vprintk_default+0x28/0x30
[  392.146440]  vprintk_func+0x7e/0x181
[  392.150167]  printk+0xa7/0xcf
[  392.153306]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  392.158073]  ? _raw_spin_unlock_irq+0x60/0x80
[  392.162599]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  392.167915]  dump_header+0x7cc/0xf72
[  392.171649]  ? pagefault_out_of_memory+0x197/0x197
[  392.176608]  ? __lock_acquire+0x62f/0x4c20
[  392.180849]  ? percpu_ref_get_many+0x240/0x240
[  392.185444]  ? print_usage_bug+0xc0/0xc0
[  392.189514]  ? zap_class+0x640/0x640
[  392.193234]  ? print_usage_bug+0xc0/0xc0
[  392.197300]  ? zap_class+0x640/0x640
[  392.201019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.206578]  ? find_held_lock+0x36/0x1c0
[  392.210660]  ? mark_held_locks+0xc7/0x130
[  392.214818]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.219925]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.225057]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.229643]  ? trace_hardirqs_on+0xbd/0x310
[  392.233980]  ? kasan_check_read+0x11/0x20
[  392.238137]  ? ___ratelimit+0x3b4/0x672
[  392.242119]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.247257]  ? trace_hardirqs_on+0x310/0x310
[  392.251673]  ? lock_downgrade+0x900/0x900
[  392.255839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.260948]  ? ___ratelimit+0x3b9/0x672
[  392.264952]  ? idr_get_free+0xf70/0xf70
[  392.268961]  ? find_held_lock+0x36/0x1c0
[  392.273039]  oom_kill_process.cold.27+0x10/0x903
[  392.277805]  ? zap_class+0x640/0x640
[  392.281526]  ? check_preemption_disabled+0x48/0x280
[  392.286587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.291529]  ? kasan_check_read+0x11/0x20
[  392.295734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.301029]  ? oom_evaluate_task+0x540/0x540
[  392.305465]  ? find_held_lock+0x36/0x1c0
[  392.309534]  ? out_of_memory+0x974/0x1430
[  392.313689]  ? lock_downgrade+0x900/0x900
[  392.317845]  ? check_preemption_disabled+0x48/0x280
[  392.322872]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.328022]  ? kasan_check_read+0x11/0x20
[  392.332164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.337443]  ? rcu_softirq_qs+0x20/0x20
[  392.341427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.346967]  ? oom_evaluate_task+0x302/0x540
[  392.351387]  out_of_memory+0xa84/0x1430
[  392.355380]  ? oom_killer_disable+0x3a0/0x3a0
[  392.359900]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  392.364838]  ? __ww_mutex_check_waiters+0x160/0x160
[  392.369871]  __alloc_pages_slowpath+0x2354/0x2e10
[  392.374781]  ? warn_alloc+0x120/0x120
[  392.378636]  ? mark_held_locks+0x130/0x130
[  392.382883]  ? find_get_entry+0xaae/0x1120
[  392.387159]  ? filemap_map_pages+0x1a20/0x1a20
[  392.391748]  ? zap_class+0x640/0x640
[  392.395471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.401010]  ? check_preemption_disabled+0x48/0x280
[  392.406028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.411569]  ? should_fail+0x22d/0xd01
[  392.415481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.420630]  ? zap_class+0x640/0x640
[  392.424375]  ? __lock_is_held+0xb5/0x140
[  392.428453]  ? mark_held_locks+0x130/0x130
[  392.432692]  ? lock_release+0xa00/0xa00
[  392.437205]  ? perf_trace_sched_process_exec+0x860/0x860
[  392.442657]  ? xa_load+0x2ba/0x460
[  392.446215]  ? lock_downgrade+0x900/0x900
[  392.450370]  ? __might_sleep+0x95/0x190
[  392.454359]  __alloc_pages_nodemask+0xa80/0xde0
[  392.459060]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.464122]  ? __page_cache_alloc+0x191/0x5c0
[  392.468623]  ? xa_load+0x2e1/0x460
[  392.472170]  ? xa_clear_mark+0x40/0x40
[  392.476062]  ? zap_class+0x640/0x640
[  392.479795]  ? zap_class+0x640/0x640
[  392.483510]  ? zap_class+0x640/0x640
[  392.487224]  ? __do_page_cache_readahead+0x663/0x810
[  392.492339]  ? find_held_lock+0x36/0x1c0
[  392.496410]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  392.501970]  alloc_pages_current+0x173/0x350
[  392.506395]  __page_cache_alloc+0x38c/0x5c0
[  392.510716]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.515658]  ? kasan_check_read+0x11/0x20
[  392.519821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.525110]  ? generic_perform_write+0x6a0/0x6a0
[  392.529873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.535437]  ? check_preemption_disabled+0x48/0x280
[  392.540471]  filemap_fault+0x1595/0x25f0
[  392.544561]  ? __lock_page_or_retry+0xa00/0xa00
[  392.549250]  ? mark_held_locks+0x130/0x130
[  392.553498]  ? filemap_map_pages+0xd6b/0x1a20
[  392.557995]  ? lock_downgrade+0x900/0x900
[  392.562146]  ? check_preemption_disabled+0x48/0x280
[  392.567181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.572118]  ? kasan_check_read+0x11/0x20
[  392.576274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.581558]  ? rcu_softirq_qs+0x20/0x20
[  392.585567]  ? filemap_map_pages+0xd92/0x1a20
[  392.590107]  ? find_get_entries_tag+0x1400/0x1400
[  392.594967]  ? debug_object_destroy+0x2b0/0x2b0
[  392.599637]  ? lock_pi_update_atomic+0x150/0x150
[  392.604393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.609948]  ? lock_acquire+0x1ed/0x520
[  392.613925]  ? ext4_filemap_fault+0x7a/0xad
[  392.618258]  ? lock_release+0xa00/0xa00
[  392.622246]  ? perf_trace_sched_process_exec+0x860/0x860
[  392.627714]  ? print_usage_bug+0xc0/0xc0
[  392.631795]  ? print_usage_bug+0xc0/0xc0
[  392.635871]  ? down_read+0x8d/0x120
[  392.639495]  ? ext4_filemap_fault+0x7a/0xad
[  392.643819]  ? __down_interruptible+0x700/0x700
[  392.648505]  ext4_filemap_fault+0x82/0xad
[  392.652656]  __do_fault+0x100/0x6b0
[  392.656303]  ? pmd_devmap_trans_unstable+0x220/0x220
[  392.661410]  ? mark_held_locks+0x130/0x130
[  392.665646]  ? mark_held_locks+0x130/0x130
[  392.669926]  ? debug_smp_processor_id+0x1c/0x20
[  392.674602]  ? perf_trace_lock+0x14d/0x7a0
[  392.678852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.684400]  __handle_mm_fault+0x3ea6/0x5be0
[  392.688822]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  392.693715]  ? lock_is_held_type+0x210/0x210
[  392.698133]  ? ksys_dup3+0x680/0x680
[  392.701866]  ? zap_class+0x640/0x640
[  392.705585]  ? zap_class+0x640/0x640
[  392.709308]  ? __x64_sys_futex+0x53e/0x6a0
[  392.713555]  ? find_held_lock+0x36/0x1c0
[  392.717635]  ? handle_mm_fault+0x42a/0xc70
[  392.721881]  ? lock_downgrade+0x900/0x900
[  392.726031]  ? check_preemption_disabled+0x48/0x280
[  392.731053]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.735990]  ? kasan_check_read+0x11/0x20
[  392.740140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.745425]  ? rcu_softirq_qs+0x20/0x20
[  392.749400]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.754506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.760048]  ? check_preemption_disabled+0x48/0x280
[  392.765073]  handle_mm_fault+0x54f/0xc70
[  392.769152]  ? __handle_mm_fault+0x5be0/0x5be0
[  392.773745]  ? find_vma+0x34/0x190
[  392.777297]  __do_page_fault+0x5e8/0xe60
[  392.781391]  ? trace_hardirqs_off+0xb8/0x310
[  392.785822]  do_page_fault+0xf2/0x7e0
[  392.789645]  ? vmalloc_sync_all+0x30/0x30
[  392.793820]  ? error_entry+0x70/0xd0
[  392.797549]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.802577]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.807529]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.812462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.817307]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.822352]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.827810]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.832827]  ? page_fault+0x8/0x30
[  392.836372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.841230]  ? page_fault+0x8/0x30
[  392.844771]  page_fault+0x1e/0x30
[  392.848231] RIP: 0033:0x40f9c0
[  392.851445] Code: Bad RIP value.
[  392.854807] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  392.860193] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  392.867461] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  392.874739] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  392.882010] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  392.889282] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  392.896573] warn_alloc_show_mem: 1 callbacks suppressed
[  392.896584] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  392.896586] Mem-Info:
[  392.896623] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  392.896623]  active_file:15 inactive_file:12 isolated_file:0
[  392.896623]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.896623]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  392.896623]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  392.896623]  free:13790 free_pcp:473 free_cma:0
[  392.901965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.908378] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.910781] Call Trace:
[  392.943824] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.953197]  dump_stack+0x244/0x39d
[  392.980844] lowmem_reserve[]: 0 2818 6321 6321
[  392.983434]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.009523] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  393.013179]  warn_alloc.cold.116+0xb7/0x1bd
[  393.017724] lowmem_reserve[]: 0 0 3503 3503
[  393.022912]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.050387] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  393.054713]  ? lock_downgrade+0x900/0x900
[  393.059009] lowmem_reserve[]: 0 0 0 0
[  393.063853]  ? trace_hardirqs_off+0xb8/0x310
[  393.092977] 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
[  393.097137]  ? trace_hardirqs_off+0xb8/0x310
[  393.100933] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  393.105345]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.118841] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  393.123276]  ? warn_alloc+0x120/0x120
[  393.138588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.143438]  ? print_usage_bug+0xc0/0xc0
[  393.158790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.162596]  ? warn_alloc+0x120/0x120
[  393.171432] 2571 total pagecache pages
[  393.175520]  ? warn_alloc+0x120/0x120
[  393.184082] 0 pages in swap cache
[  393.187878]  ? print_usage_bug+0xc0/0xc0
[  393.191758] Swap cache stats: add 0, delete 0, find 0/0
[  393.195557]  ? print_usage_bug+0xc0/0xc0
[  393.198992] Free swap  = 0kB
[  393.203061]  ? __lock_acquire+0x62f/0x4c20
[  393.208406] Total swap = 0kB
[  393.212470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.215470] 1965979 pages RAM
[  393.219703]  ? should_fail+0x22d/0xd01
[  393.222747] 0 pages HighMem/MovableOnly
[  393.228282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.231367] 342855 pages reserved
[  393.235256]  ? __lock_acquire+0x62f/0x4c20
[  393.239224] 0 pages cma reserved
[  393.244346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.247839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.252010]  ? __lock_acquire+0x62f/0x4c20
[  393.252026]  ? should_fail+0x22d/0xd01
[  393.255492] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.260501]  ? find_held_lock+0x36/0x1c0
[  393.266976] syz-fuzzer cpuset=/ mems_allowed=0
[  393.271244]  ? mark_held_locks+0x130/0x130
[  393.298206]  ? mark_held_locks+0x130/0x130
[  393.302469]  ? zap_class+0x640/0x640
[  393.306199]  ? zap_class+0x640/0x640
[  393.309926]  ? print_usage_bug+0xc0/0xc0
[  393.313992]  ? do_raw_spin_unlock+0xa7/0x330
[  393.318406]  ? zap_class+0x640/0x640
[  393.322126]  ? print_usage_bug+0xc0/0xc0
[  393.326196]  ? wq_watchdog_touch+0x9c/0xfe
[  393.330967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.336520]  ? check_preemption_disabled+0x48/0x280
[  393.341550]  ? __lock_is_held+0xb5/0x140
[  393.345624]  __alloc_pages_nodemask+0xa80/0xde0
[  393.350302]  ? zap_class+0x640/0x640
[  393.354025]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.359062]  ? find_held_lock+0x36/0x1c0
[  393.363155]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.367835]  ? lock_downgrade+0x900/0x900
[  393.371999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.377545]  cache_grow_begin+0xa5/0x8c0
[  393.381644]  ? do_raw_spin_unlock+0xa7/0x330
[  393.386112]  fallback_alloc+0x204/0x2e0
[  393.390138]  ____cache_alloc_node+0x1c7/0x1e0
[  393.394647]  kmem_cache_alloc_node+0xe3/0x730
[  393.399149]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.403397]  __alloc_skb+0x119/0x770
[  393.407119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.412422]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.416872]  ? lock_downgrade+0x900/0x900
[  393.421031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.426573]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.432032]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.437489]  ? addrconf_rs_timer+0x690/0x690
[  393.441906]  ndisc_alloc_skb+0x144/0x340
[  393.446000]  ndisc_send_rs+0x331/0x6e0
[  393.449895]  addrconf_rs_timer+0x314/0x690
[  393.454187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.458438]  call_timer_fn+0x272/0x920
[  393.462340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.466605]  ? process_timeout+0x40/0x40
[  393.470676]  ? __run_timers+0x7da/0xc70
[  393.474657]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.479156]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.483653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.487893]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.492481]  ? trace_hardirqs_on+0xbd/0x310
[  393.496805]  ? kasan_check_read+0x11/0x20
[  393.500968]  ? __run_timers+0x7da/0xc70
[  393.504952]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.510072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.514324]  __run_timers+0x7e5/0xc70
[  393.518157]  ? timer_fixup_init+0x70/0x70
[  393.522316]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.526818]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.531328]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.535914]  ? trace_hardirqs_on+0xbd/0x310
[  393.540237]  ? kasan_check_read+0x11/0x20
[  393.544398]  ? finish_task_switch+0x1f4/0x910
[  393.548896]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.553999]  ? compat_start_thread+0x80/0x80
[  393.558431]  ? pvclock_read_flags+0x160/0x160
[  393.562927]  ? __switch_to_asm+0x34/0x70
[  393.566999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.572556]  ? check_preemption_disabled+0x48/0x280
[  393.577589]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  393.583143]  ? rcu_pm_notify+0xc0/0xc0
[  393.587038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.592579]  ? check_preemption_disabled+0x48/0x280
[  393.597604]  run_timer_softirq+0x52/0xb0
[  393.601670]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.606702]  __do_softirq+0x308/0xb7e
[  393.610536]  ? trace_hardirqs_on_caller+0xc0/0x310
[  393.615473]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.620600]  ? schedule+0x108/0x460
[  393.624249]  ? trace_hardirqs_off+0xb8/0x310
[  393.628663]  ? smpboot_thread_fn+0x68b/0xa00
[  393.633085]  ? trace_hardirqs_on+0x310/0x310
[  393.637516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.643059]  ? check_preemption_disabled+0x48/0x280
[  393.648099]  ? takeover_tasklets+0xa90/0xa90
[  393.652520]  run_ksoftirqd+0x5e/0x100
[  393.656325]  smpboot_thread_fn+0x68b/0xa00
[  393.660566]  ? sort_range+0x30/0x30
[  393.664202]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.669311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.674881]  ? __kthread_parkme+0xfb/0x1a0
[  393.679134]  ? sort_range+0x30/0x30
[  393.682765]  kthread+0x35a/0x440
[  393.686141]  ? kthread_stop+0x900/0x900
[  393.690134]  ret_from_fork+0x3a/0x50
[  393.693874] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  393.693949] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.700477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.700482] Call Trace:
[  393.700489]  <IRQ>
[  393.700508]  dump_stack+0x244/0x39d
[  393.700527]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.707129] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.716393]  warn_alloc.cold.116+0xb7/0x1bd
[  393.718948] ksoftirqd/0 cpuset=/ mems_allowed=0
[  393.721099]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.753995]  ? lock_downgrade+0x900/0x900
[  393.758168]  ? trace_hardirqs_off+0xb8/0x310
[  393.762589]  ? trace_hardirqs_off+0xb8/0x310
[  393.767016]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.771896]  ? warn_alloc+0x120/0x120
[  393.775703]  ? print_usage_bug+0xc0/0xc0
[  393.779805]  ? warn_alloc+0x120/0x120
[  393.783619]  ? warn_alloc+0x120/0x120
[  393.787427]  ? print_usage_bug+0xc0/0xc0
[  393.791494]  ? kvm_clock_read+0x18/0x30
[  393.795471]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.800497]  ? print_usage_bug+0xc0/0xc0
[  393.804563]  ? __lock_acquire+0x62f/0x4c20
[  393.808807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.814379]  ? should_fail+0x22d/0xd01
[  393.818274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.823558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.828677]  ? __lock_acquire+0x62f/0x4c20
[  393.832926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.838035]  ? __lock_acquire+0x62f/0x4c20
[  393.842271]  ? should_fail+0x22d/0xd01
[  393.846161]  ? rcu_irq_exit+0x1a2/0x390
[  393.850154]  ? mark_held_locks+0x130/0x130
[  393.854401]  ? mark_held_locks+0x130/0x130
[  393.858651]  ? mark_held_locks+0xc7/0x130
[  393.862800]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.867821]  ? zap_class+0x640/0x640
[  393.871539]  ? print_usage_bug+0xc0/0xc0
[  393.875658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.881210]  ? check_preemption_disabled+0x48/0x280
[  393.886262]  ? __lock_is_held+0xb5/0x140
[  393.890341]  __alloc_pages_nodemask+0xa80/0xde0
[  393.895012]  ? zap_class+0x640/0x640
[  393.898733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.903765]  ? find_held_lock+0x36/0x1c0
[  393.907864]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.912561]  ? lock_downgrade+0x900/0x900
[  393.916724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.922273]  cache_grow_begin+0xa5/0x8c0
[  393.926337]  ? do_raw_spin_unlock+0xa7/0x330
[  393.930762]  fallback_alloc+0x204/0x2e0
[  393.934778]  ____cache_alloc_node+0x1c7/0x1e0
[  393.939304]  kmem_cache_alloc_node+0xe3/0x730
[  393.943817]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.948063]  __alloc_skb+0x119/0x770
[  393.951785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.957112]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.961549]  ? lock_downgrade+0x900/0x900
[  393.965709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.971253]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.976711]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.982164]  ? addrconf_rs_timer+0x690/0x690
[  393.986586]  ndisc_alloc_skb+0x144/0x340
[  393.990659]  ndisc_send_rs+0x331/0x6e0
[  393.994567]  addrconf_rs_timer+0x314/0x690
[  393.998809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.003084]  call_timer_fn+0x272/0x920
[  394.007012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.011254]  ? process_timeout+0x40/0x40
[  394.015344]  ? mark_held_locks+0xc7/0x130
[  394.019501]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.023999]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.028493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.032730]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.037321]  ? trace_hardirqs_on+0xbd/0x310
[  394.041657]  ? kasan_check_read+0x11/0x20
[  394.045817]  ? __run_timers+0x7da/0xc70
[  394.049797]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.054908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.059153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.063415]  __run_timers+0x7e5/0xc70
[  394.067335]  ? timer_fixup_init+0x70/0x70
[  394.071490]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.076508]  ? zap_class+0x640/0x640
[  394.080253]  ? print_usage_bug+0xc0/0xc0
[  394.084324]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.089542]  ? find_held_lock+0x36/0x1c0
[  394.093629]  ? zap_class+0x640/0x640
[  394.097355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.102900]  ? check_preemption_disabled+0x48/0x280
[  394.107930]  ? __lock_is_held+0xb5/0x140
[  394.111994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.117533]  ? check_preemption_disabled+0x48/0x280
[  394.122555]  run_timer_softirq+0x52/0xb0
[  394.126633]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.131667]  __do_softirq+0x308/0xb7e
[  394.135471]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.139966]  ? lock_downgrade+0x900/0x900
[  394.144134]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.149250]  ? pvclock_read_flags+0x160/0x160
[  394.153749]  ? lapic_next_event+0x5a/0x90
[  394.157909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.163493]  ? kvm_clock_read+0x18/0x30
[  394.167485]  ? kvm_sched_clock_read+0x9/0x20
[  394.171910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.177470]  ? check_preemption_disabled+0x48/0x280
[  394.182499]  irq_exit+0x17f/0x1c0
[  394.185953]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.190837]  ? smp_reschedule_interrupt+0x109/0x650
[  394.195865]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.201758]  ? interrupt_entry+0xb5/0xc0
[  394.205856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.210879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.215899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.220746]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.225787]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.230822]  ? task_prio+0x50/0x50
[  394.234371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.239912]  ? check_preemption_disabled+0x48/0x280
[  394.244938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.249790]  apic_timer_interrupt+0xf/0x20
[  394.254018]  </IRQ>
[  394.256268] RIP: 0010:console_unlock+0x102f/0x1190
[  394.261204] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  394.280133] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  394.287857] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  394.295127] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  394.302400] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  394.309672] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  394.316946] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  394.324235]  ? netconsole_netdev_event+0x280/0x280
[  394.329571]  ? console_unlock+0x1026/0x1190
[  394.333987]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  394.338657]  ? vprintk_emit+0x846/0x990
[  394.342646]  ? lock_release+0xa00/0xa00
[  394.346628]  ? trace_hardirqs_on+0x20/0x310
[  394.350952]  ? vprintk_default+0x28/0x30
[  394.355016]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.360126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.365674]  vprintk_emit+0x391/0x990
[  394.369484]  ? wake_up_klogd+0x180/0x180
[  394.373554]  ? match_held_lock+0x8c1/0x8d0
[  394.377802]  ? mark_held_locks+0xc7/0x130
[  394.381957]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.386458]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.390962]  vprintk_default+0x28/0x30
[  394.394850]  vprintk_func+0x7e/0x181
[  394.398567]  printk+0xa7/0xcf
[  394.401679]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  394.406451]  ? _raw_spin_unlock_irq+0x60/0x80
[  394.410961]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  394.416249]  dump_header+0x7cc/0xf72
[  394.419990]  ? pagefault_out_of_memory+0x197/0x197
[  394.424932]  ? __lock_acquire+0x62f/0x4c20
[  394.429224]  ? percpu_ref_get_many+0x240/0x240
[  394.433818]  ? print_usage_bug+0xc0/0xc0
[  394.438430]  ? zap_class+0x640/0x640
[  394.442189]  ? print_usage_bug+0xc0/0xc0
[  394.446262]  ? zap_class+0x640/0x640
[  394.449981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.455528]  ? find_held_lock+0x36/0x1c0
[  394.459621]  ? mark_held_locks+0xc7/0x130
[  394.463808]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.468915]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.474023]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.478616]  ? trace_hardirqs_on+0xbd/0x310
[  394.482955]  ? kasan_check_read+0x11/0x20
[  394.487111]  ? ___ratelimit+0x3b4/0x672
[  394.491101]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.496225]  ? trace_hardirqs_on+0x310/0x310
[  394.500650]  ? lock_downgrade+0x900/0x900
[  394.504820]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.509951]  ? ___ratelimit+0x3b9/0x672
[  394.513952]  ? idr_get_free+0xf70/0xf70
[  394.517941]  ? find_held_lock+0x36/0x1c0
[  394.522017]  oom_kill_process.cold.27+0x10/0x903
[  394.526790]  ? zap_class+0x640/0x640
[  394.530505]  ? check_preemption_disabled+0x48/0x280
[  394.535532]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.540470]  ? kasan_check_read+0x11/0x20
[  394.544627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.549913]  ? oom_evaluate_task+0x540/0x540
[  394.554352]  ? find_held_lock+0x36/0x1c0
[  394.558439]  ? out_of_memory+0x974/0x1430
[  394.562624]  ? lock_downgrade+0x900/0x900
[  394.566806]  ? check_preemption_disabled+0x48/0x280
[  394.571833]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.576764]  ? kasan_check_read+0x11/0x20
[  394.580929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.586218]  ? rcu_softirq_qs+0x20/0x20
[  394.590205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.595744]  ? oom_evaluate_task+0x302/0x540
[  394.600172]  out_of_memory+0xa84/0x1430
[  394.604163]  ? oom_killer_disable+0x3a0/0x3a0
[  394.608665]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  394.613608]  ? __ww_mutex_check_waiters+0x160/0x160
[  394.618648]  __alloc_pages_slowpath+0x2354/0x2e10
[  394.623556]  ? warn_alloc+0x120/0x120
[  394.627356]  ? mark_held_locks+0x130/0x130
[  394.631602]  ? find_get_entry+0xaae/0x1120
[  394.635870]  ? filemap_map_pages+0x1a20/0x1a20
[  394.640474]  ? zap_class+0x640/0x640
[  394.644199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.649741]  ? check_preemption_disabled+0x48/0x280
[  394.654762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.660324]  ? should_fail+0x22d/0xd01
[  394.664232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.669341]  ? zap_class+0x640/0x640
[  394.673087]  ? __lock_is_held+0xb5/0x140
[  394.677175]  ? mark_held_locks+0x130/0x130
[  394.681419]  ? lock_release+0xa00/0xa00
[  394.685399]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.690852]  ? xa_load+0x2ba/0x460
[  394.694399]  ? lock_downgrade+0x900/0x900
[  394.698556]  ? __might_sleep+0x95/0x190
[  394.702579]  __alloc_pages_nodemask+0xa80/0xde0
[  394.707284]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.712316]  ? __page_cache_alloc+0x191/0x5c0
[  394.716813]  ? xa_load+0x2e1/0x460
[  394.720355]  ? xa_clear_mark+0x40/0x40
[  394.724247]  ? zap_class+0x640/0x640
[  394.727975]  ? zap_class+0x640/0x640
[  394.731688]  ? zap_class+0x640/0x640
[  394.735403]  ? __do_page_cache_readahead+0x663/0x810
[  394.740533]  ? find_held_lock+0x36/0x1c0
[  394.744625]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  394.750189]  alloc_pages_current+0x173/0x350
[  394.754618]  __page_cache_alloc+0x38c/0x5c0
[  394.758942]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.763888]  ? kasan_check_read+0x11/0x20
[  394.768046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.773329]  ? generic_perform_write+0x6a0/0x6a0
[  394.778098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.783641]  ? check_preemption_disabled+0x48/0x280
[  394.788678]  filemap_fault+0x1595/0x25f0
[  394.792762]  ? __lock_page_or_retry+0xa00/0xa00
[  394.797446]  ? mark_held_locks+0x130/0x130
[  394.801698]  ? filemap_map_pages+0xd6b/0x1a20
[  394.806211]  ? lock_downgrade+0x900/0x900
[  394.810373]  ? check_preemption_disabled+0x48/0x280
[  394.815395]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.820329]  ? kasan_check_read+0x11/0x20
[  394.824479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.829758]  ? rcu_softirq_qs+0x20/0x20
[  394.833749]  ? filemap_map_pages+0xd92/0x1a20
[  394.838265]  ? find_get_entries_tag+0x1400/0x1400
[  394.843122]  ? debug_object_destroy+0x2b0/0x2b0
[  394.847795]  ? lock_pi_update_atomic+0x150/0x150
[  394.852556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.858119]  ? lock_acquire+0x1ed/0x520
[  394.862104]  ? ext4_filemap_fault+0x7a/0xad
[  394.866437]  ? lock_release+0xa00/0xa00
[  394.870415]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.875881]  ? print_usage_bug+0xc0/0xc0
[  394.879962]  ? print_usage_bug+0xc0/0xc0
[  394.884055]  ? down_read+0x8d/0x120
[  394.887689]  ? ext4_filemap_fault+0x7a/0xad
[  394.892026]  ? __down_interruptible+0x700/0x700
[  394.896713]  ext4_filemap_fault+0x82/0xad
[  394.900866]  __do_fault+0x100/0x6b0
[  394.904501]  ? pmd_devmap_trans_unstable+0x220/0x220
[  394.909616]  ? mark_held_locks+0x130/0x130
[  394.913873]  ? mark_held_locks+0x130/0x130
[  394.918119]  ? debug_smp_processor_id+0x1c/0x20
[  394.922796]  ? perf_trace_lock+0x14d/0x7a0
[  394.927044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.932593]  __handle_mm_fault+0x3ea6/0x5be0
[  394.937016]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  394.941901]  ? lock_is_held_type+0x210/0x210
[  394.946319]  ? ksys_dup3+0x680/0x680
[  394.950061]  ? zap_class+0x640/0x640
[  394.953786]  ? zap_class+0x640/0x640
[  394.957523]  ? __x64_sys_futex+0x53e/0x6a0
[  394.961791]  ? find_held_lock+0x36/0x1c0
[  394.965889]  ? handle_mm_fault+0x42a/0xc70
[  394.970132]  ? lock_downgrade+0x900/0x900
[  394.974285]  ? check_preemption_disabled+0x48/0x280
[  394.979316]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.984256]  ? kasan_check_read+0x11/0x20
[  394.988415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.993696]  ? rcu_softirq_qs+0x20/0x20
[  394.997683]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.002790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.008336]  ? check_preemption_disabled+0x48/0x280
[  395.013368]  handle_mm_fault+0x54f/0xc70
[  395.017445]  ? __handle_mm_fault+0x5be0/0x5be0
[  395.022047]  ? find_vma+0x34/0x190
[  395.025599]  __do_page_fault+0x5e8/0xe60
[  395.029681]  ? trace_hardirqs_off+0xb8/0x310
[  395.034136]  do_page_fault+0xf2/0x7e0
[  395.037942]  ? vmalloc_sync_all+0x30/0x30
[  395.042134]  ? error_entry+0x70/0xd0
[  395.045866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.050890]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.055820]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.060775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.065627]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.070643]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.076112]  ? prepare_exit_to_usermode+0x291/0x3b0
[  395.081164]  ? page_fault+0x8/0x30
[  395.084714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.089565]  ? page_fault+0x8/0x30
[  395.093117]  page_fault+0x1e/0x30
[  395.096572] RIP: 0033:0x40f9c0
[  395.099778] Code: Bad RIP value.
[  395.103164] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  395.108524] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  395.115794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  395.123061] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  395.130336] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  395.137616] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  395.144912] warn_alloc_show_mem: 1 callbacks suppressed
[  395.144923] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  395.144925] Mem-Info:
[  395.144955] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  395.144955]  active_file:15 inactive_file:12 isolated_file:0
[  395.144955]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.144955]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  395.144955]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  395.144955]  free:13790 free_pcp:473 free_cma:0
[  395.150303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.156716] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.159127] Call Trace:
[  395.192172] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.201559]  dump_stack+0x244/0x39d
[  395.229209] lowmem_reserve[]: 0 2818 6321 6321
[  395.231801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.257920] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  395.261570]  warn_alloc.cold.116+0xb7/0x1bd
[  395.266109] lowmem_reserve[]: 0 0 3503 3503
[  395.271311]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.298790] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  395.303139]  ? lock_downgrade+0x900/0x900
[  395.307433] lowmem_reserve[]: 0 0 0 0
[  395.312284]  ? trace_hardirqs_off+0xb8/0x310
[  395.341408] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  395.345565]  ? trace_hardirqs_off+0xb8/0x310
[  395.349341] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  395.353763]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.367261] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  395.371700]  ? warn_alloc+0x120/0x120
[  395.387019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.391905]  ? print_usage_bug+0xc0/0xc0
[  395.407245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.411038]  ? warn_alloc+0x120/0x120
[  395.419855] 2571 total pagecache pages
[  395.423926]  ? warn_alloc+0x120/0x120
[  395.432503] 0 pages in swap cache
[  395.436298]  ? print_usage_bug+0xc0/0xc0
[  395.440169] Swap cache stats: add 0, delete 0, find 0/0
[  395.443965]  ? print_usage_bug+0xc0/0xc0
[  395.447407] Free swap  = 0kB
[  395.451468]  ? __lock_acquire+0x62f/0x4c20
[  395.456813] Total swap = 0kB
[  395.460872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.463866] 1965979 pages RAM
[  395.468118]  ? should_fail+0x22d/0xd01
[  395.471122] 0 pages HighMem/MovableOnly
[  395.471132] 342855 pages reserved
[  395.476683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.479783] 0 pages cma reserved
[  395.483678]  ? __lock_acquire+0x62f/0x4c20
[  395.487690] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.491084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.496265] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.499544]  ? __lock_acquire+0x62f/0x4c20
[  395.503760] syz-fuzzer cpuset=/ mems_allowed=0
[  395.510242]  ? should_fail+0x22d/0xd01
[  395.510258]  ? find_held_lock+0x36/0x1c0
[  395.542285]  ? mark_held_locks+0x130/0x130
[  395.546550]  ? mark_held_locks+0x130/0x130
[  395.550784]  ? zap_class+0x640/0x640
[  395.554505]  ? mark_held_locks+0xc7/0x130
[  395.558681]  ? do_raw_spin_unlock+0xa7/0x330
[  395.563093]  ? zap_class+0x640/0x640
[  395.566816]  ? print_usage_bug+0xc0/0xc0
[  395.570883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.576424]  ? check_preemption_disabled+0x48/0x280
[  395.581462]  ? __lock_is_held+0xb5/0x140
[  395.585533]  __alloc_pages_nodemask+0xa80/0xde0
[  395.590248]  ? zap_class+0x640/0x640
[  395.593970]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.599002]  ? find_held_lock+0x36/0x1c0
[  395.603075]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.607752]  ? lock_downgrade+0x900/0x900
[  395.611940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.617488]  cache_grow_begin+0xa5/0x8c0
[  395.621553]  ? do_raw_spin_unlock+0xa7/0x330
[  395.625974]  fallback_alloc+0x204/0x2e0
[  395.629958]  ____cache_alloc_node+0x1c7/0x1e0
[  395.634482]  kmem_cache_alloc_node+0xe3/0x730
[  395.638985]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.643237]  __alloc_skb+0x119/0x770
[  395.646951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.652237]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.656648]  ? lock_downgrade+0x900/0x900
[  395.660809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.666351]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.671810]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.677269]  ? addrconf_rs_timer+0x690/0x690
[  395.681706]  ndisc_alloc_skb+0x144/0x340
[  395.685815]  ndisc_send_rs+0x331/0x6e0
[  395.689722]  addrconf_rs_timer+0x314/0x690
[  395.693960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.698211]  call_timer_fn+0x272/0x920
[  395.702101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.706345]  ? process_timeout+0x40/0x40
[  395.710441]  ? __run_timers+0x7da/0xc70
[  395.714470]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.718969]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.723465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.727705]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.732292]  ? trace_hardirqs_on+0xbd/0x310
[  395.736614]  ? kasan_check_read+0x11/0x20
[  395.740767]  ? __run_timers+0x7da/0xc70
[  395.744747]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.749856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.754096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.758356]  __run_timers+0x7e5/0xc70
[  395.762166]  ? timer_fixup_init+0x70/0x70
[  395.766318]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.770819]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.775330]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.779938]  ? trace_hardirqs_on+0xbd/0x310
[  395.784289]  ? kasan_check_read+0x11/0x20
[  395.788440]  ? finish_task_switch+0x1f4/0x910
[  395.792943]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.798047]  ? compat_start_thread+0x80/0x80
[  395.802482]  ? pvclock_read_flags+0x160/0x160
[  395.806978]  ? __switch_to_asm+0x34/0x70
[  395.811046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.816591]  ? check_preemption_disabled+0x48/0x280
[  395.821641]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  395.827190]  ? rcu_pm_notify+0xc0/0xc0
[  395.831082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.836631]  ? check_preemption_disabled+0x48/0x280
[  395.841677]  run_timer_softirq+0x52/0xb0
[  395.845740]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.850758]  __do_softirq+0x308/0xb7e
[  395.854566]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.859505]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.864617]  ? schedule+0x108/0x460
[  395.868264]  ? trace_hardirqs_off+0xb8/0x310
[  395.872680]  ? smpboot_thread_fn+0x68b/0xa00
[  395.877091]  ? trace_hardirqs_on+0x310/0x310
[  395.881513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.887076]  ? check_preemption_disabled+0x48/0x280
[  395.892099]  ? takeover_tasklets+0xa90/0xa90
[  395.896518]  run_ksoftirqd+0x5e/0x100
[  395.900324]  smpboot_thread_fn+0x68b/0xa00
[  395.904569]  ? sort_range+0x30/0x30
[  395.908202]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.913306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.918850]  ? __kthread_parkme+0xfb/0x1a0
[  395.923090]  ? sort_range+0x30/0x30
[  395.926725]  kthread+0x35a/0x440
[  395.930096]  ? kthread_stop+0x900/0x900
[  395.934086]  ret_from_fork+0x3a/0x50
[  395.937837] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  395.937910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.944423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.944433] Call Trace:
[  395.951008] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.960262]  <IRQ>
[  395.962839] ksoftirqd/0 cpuset=/ mems_allowed=0
[  395.973150]  dump_stack+0x244/0x39d
[  395.983574]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.988802]  warn_alloc.cold.116+0xb7/0x1bd
[  395.993136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.997987]  ? lock_downgrade+0x900/0x900
[  396.002159]  ? trace_hardirqs_off+0xb8/0x310
[  396.006582]  ? trace_hardirqs_off+0xb8/0x310
[  396.011006]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.015881]  ? warn_alloc+0x120/0x120
[  396.019717]  ? print_usage_bug+0xc0/0xc0
[  396.023782]  ? warn_alloc+0x120/0x120
[  396.027623]  ? warn_alloc+0x120/0x120
[  396.031441]  ? print_usage_bug+0xc0/0xc0
[  396.035504]  ? kvm_clock_read+0x18/0x30
[  396.039483]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  396.044515]  ? print_usage_bug+0xc0/0xc0
[  396.048583]  ? __lock_acquire+0x62f/0x4c20
[  396.052841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.058386]  ? should_fail+0x22d/0xd01
[  396.062277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.067571]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.072683]  ? __lock_acquire+0x62f/0x4c20
[  396.076939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.082043]  ? __lock_acquire+0x62f/0x4c20
[  396.086278]  ? should_fail+0x22d/0xd01
[  396.090178]  ? rcu_irq_exit+0x1a2/0x390
[  396.094175]  ? mark_held_locks+0x130/0x130
[  396.098435]  ? mark_held_locks+0x130/0x130
[  396.102683]  ? mark_held_locks+0xc7/0x130
[  396.106830]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  396.111850]  ? zap_class+0x640/0x640
[  396.115565]  ? print_usage_bug+0xc0/0xc0
[  396.119637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.125178]  ? check_preemption_disabled+0x48/0x280
[  396.130212]  ? __lock_is_held+0xb5/0x140
[  396.134283]  __alloc_pages_nodemask+0xa80/0xde0
[  396.138959]  ? zap_class+0x640/0x640
[  396.142685]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.147715]  ? find_held_lock+0x36/0x1c0
[  396.151792]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.156467]  ? lock_downgrade+0x900/0x900
[  396.160633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.166181]  cache_grow_begin+0xa5/0x8c0
[  396.170245]  ? do_raw_spin_unlock+0xa7/0x330
[  396.174662]  fallback_alloc+0x204/0x2e0
[  396.178658]  ____cache_alloc_node+0x1c7/0x1e0
[  396.183160]  kmem_cache_alloc_node+0xe3/0x730
[  396.187655]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.191905]  __alloc_skb+0x119/0x770
[  396.195626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.200911]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.205321]  ? lock_downgrade+0x900/0x900
[  396.209479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.215055]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.220517]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.225970]  ? addrconf_rs_timer+0x690/0x690
[  396.230407]  ndisc_alloc_skb+0x144/0x340
[  396.234476]  ndisc_send_rs+0x331/0x6e0
[  396.238388]  addrconf_rs_timer+0x314/0x690
[  396.242637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.246885]  call_timer_fn+0x272/0x920
[  396.250773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.255011]  ? process_timeout+0x40/0x40
[  396.259096]  ? mark_held_locks+0xc7/0x130
[  396.263270]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.267794]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.272294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.276533]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.281122]  ? trace_hardirqs_on+0xbd/0x310
[  396.285449]  ? kasan_check_read+0x11/0x20
[  396.289608]  ? __run_timers+0x7da/0xc70
[  396.293585]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.298699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.302965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.307202]  __run_timers+0x7e5/0xc70
[  396.311057]  ? timer_fixup_init+0x70/0x70
[  396.315213]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.320234]  ? zap_class+0x640/0x640
[  396.323956]  ? print_usage_bug+0xc0/0xc0
[  396.328211]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.333415]  ? find_held_lock+0x36/0x1c0
[  396.337484]  ? zap_class+0x640/0x640
[  396.341240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.346785]  ? check_preemption_disabled+0x48/0x280
[  396.351816]  ? __lock_is_held+0xb5/0x140
[  396.355879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.361425]  ? check_preemption_disabled+0x48/0x280
[  396.366452]  run_timer_softirq+0x52/0xb0
[  396.370521]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.375543]  __do_softirq+0x308/0xb7e
[  396.379367]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.383863]  ? lock_downgrade+0x900/0x900
[  396.388009]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.393118]  ? pvclock_read_flags+0x160/0x160
[  396.397626]  ? lapic_next_event+0x5a/0x90
[  396.401781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.407326]  ? kvm_clock_read+0x18/0x30
[  396.411307]  ? kvm_sched_clock_read+0x9/0x20
[  396.415720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.421261]  ? check_preemption_disabled+0x48/0x280
[  396.426290]  irq_exit+0x17f/0x1c0
[  396.429750]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.434592]  ? smp_reschedule_interrupt+0x109/0x650
[  396.440115]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.446004]  ? interrupt_entry+0xb5/0xc0
[  396.450080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.455134]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.460156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.465005]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.470035]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.475055]  ? task_prio+0x50/0x50
[  396.478616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.484180]  ? check_preemption_disabled+0x48/0x280
[  396.489210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.494076]  apic_timer_interrupt+0xf/0x20
[  396.498311]  </IRQ>
[  396.500549] RIP: 0010:console_unlock+0x102f/0x1190
[  396.505495] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  396.524395] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  396.532130] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  396.539399] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  396.546669] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  396.553937] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  396.561206] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  396.568488]  ? netconsole_netdev_event+0x280/0x280
[  396.573445]  ? console_unlock+0x1026/0x1190
[  396.577796]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  396.582505]  ? vprintk_emit+0x846/0x990
[  396.586522]  ? lock_release+0xa00/0xa00
[  396.590498]  ? trace_hardirqs_on+0x20/0x310
[  396.594819]  ? vprintk_default+0x28/0x30
[  396.598884]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.603996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.609542]  vprintk_emit+0x391/0x990
[  396.613359]  ? wake_up_klogd+0x180/0x180
[  396.617446]  ? match_held_lock+0x8c1/0x8d0
[  396.621699]  ? mark_held_locks+0xc7/0x130
[  396.625853]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.630350]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.634855]  vprintk_default+0x28/0x30
[  396.638748]  vprintk_func+0x7e/0x181
[  396.642463]  printk+0xa7/0xcf
[  396.645573]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  396.650339]  ? _raw_spin_unlock_irq+0x60/0x80
[  396.654861]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  396.660148]  dump_header+0x7cc/0xf72
[  396.663874]  ? pagefault_out_of_memory+0x197/0x197
[  396.668818]  ? __lock_acquire+0x62f/0x4c20
[  396.673057]  ? percpu_ref_get_many+0x240/0x240
[  396.677654]  ? print_usage_bug+0xc0/0xc0
[  396.681735]  ? zap_class+0x640/0x640
[  396.685452]  ? print_usage_bug+0xc0/0xc0
[  396.689522]  ? zap_class+0x640/0x640
[  396.693243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.698790]  ? find_held_lock+0x36/0x1c0
[  396.702878]  ? mark_held_locks+0xc7/0x130
[  396.707050]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.712189]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.717316]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.721905]  ? trace_hardirqs_on+0xbd/0x310
[  396.726231]  ? kasan_check_read+0x11/0x20
[  396.730382]  ? ___ratelimit+0x3b4/0x672
[  396.734363]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.739471]  ? trace_hardirqs_on+0x310/0x310
[  396.743880]  ? lock_downgrade+0x900/0x900
[  396.748039]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.753147]  ? ___ratelimit+0x3b9/0x672
[  396.757128]  ? idr_get_free+0xf70/0xf70
[  396.761111]  ? find_held_lock+0x36/0x1c0
[  396.765191]  oom_kill_process.cold.27+0x10/0x903
[  396.769981]  ? zap_class+0x640/0x640
[  396.773702]  ? check_preemption_disabled+0x48/0x280
[  396.778745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.783677]  ? kasan_check_read+0x11/0x20
[  396.787825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.793117]  ? oom_evaluate_task+0x540/0x540
[  396.797534]  ? find_held_lock+0x36/0x1c0
[  396.801623]  ? out_of_memory+0x974/0x1430
[  396.805775]  ? lock_downgrade+0x900/0x900
[  396.809936]  ? check_preemption_disabled+0x48/0x280
[  396.814971]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.819903]  ? kasan_check_read+0x11/0x20
[  396.824051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.829326]  ? rcu_softirq_qs+0x20/0x20
[  396.833309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.838844]  ? oom_evaluate_task+0x302/0x540
[  396.843263]  out_of_memory+0xa84/0x1430
[  396.847252]  ? oom_killer_disable+0x3a0/0x3a0
[  396.851762]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  396.856701]  ? __ww_mutex_check_waiters+0x160/0x160
[  396.861735]  __alloc_pages_slowpath+0x2354/0x2e10
[  396.866616]  ? warn_alloc+0x120/0x120
[  396.870437]  ? mark_held_locks+0x130/0x130
[  396.874684]  ? find_get_entry+0xaae/0x1120
[  396.878939]  ? filemap_map_pages+0x1a20/0x1a20
[  396.883526]  ? zap_class+0x640/0x640
[  396.887260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.892801]  ? check_preemption_disabled+0x48/0x280
[  396.897825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.903367]  ? should_fail+0x22d/0xd01
[  396.907272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.912390]  ? zap_class+0x640/0x640
[  396.916137]  ? __lock_is_held+0xb5/0x140
[  396.920216]  ? mark_held_locks+0x130/0x130
[  396.924461]  ? lock_release+0xa00/0xa00
[  396.928440]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.933891]  ? xa_load+0x2ba/0x460
[  396.937438]  ? lock_downgrade+0x900/0x900
[  396.941623]  ? __might_sleep+0x95/0x190
[  396.945619]  __alloc_pages_nodemask+0xa80/0xde0
[  396.950315]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.955346]  ? __page_cache_alloc+0x191/0x5c0
[  396.959856]  ? xa_load+0x2e1/0x460
[  396.963405]  ? xa_clear_mark+0x40/0x40
[  396.967300]  ? zap_class+0x640/0x640
[  396.971026]  ? zap_class+0x640/0x640
[  396.974740]  ? zap_class+0x640/0x640
[  396.978456]  ? __do_page_cache_readahead+0x663/0x810
[  396.983572]  ? find_held_lock+0x36/0x1c0
[  396.987643]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  396.993283]  alloc_pages_current+0x173/0x350
[  396.997705]  __page_cache_alloc+0x38c/0x5c0
[  397.002052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.006984]  ? kasan_check_read+0x11/0x20
[  397.011140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.016425]  ? generic_perform_write+0x6a0/0x6a0
[  397.021223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.026763]  ? check_preemption_disabled+0x48/0x280
[  397.031819]  filemap_fault+0x1595/0x25f0
[  397.035906]  ? __lock_page_or_retry+0xa00/0xa00
[  397.040611]  ? mark_held_locks+0x130/0x130
[  397.044865]  ? filemap_map_pages+0xd6b/0x1a20
[  397.049366]  ? lock_downgrade+0x900/0x900
[  397.053528]  ? check_preemption_disabled+0x48/0x280
[  397.058594]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.063541]  ? kasan_check_read+0x11/0x20
[  397.067694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.072977]  ? rcu_softirq_qs+0x20/0x20
[  397.076971]  ? filemap_map_pages+0xd92/0x1a20
[  397.081484]  ? find_get_entries_tag+0x1400/0x1400
[  397.086332]  ? debug_object_destroy+0x2b0/0x2b0
[  397.091005]  ? lock_pi_update_atomic+0x150/0x150
[  397.095772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.101370]  ? lock_acquire+0x1ed/0x520
[  397.105370]  ? ext4_filemap_fault+0x7a/0xad
[  397.109722]  ? lock_release+0xa00/0xa00
[  397.113697]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.119149]  ? print_usage_bug+0xc0/0xc0
[  397.123213]  ? print_usage_bug+0xc0/0xc0
[  397.127288]  ? down_read+0x8d/0x120
[  397.130914]  ? ext4_filemap_fault+0x7a/0xad
[  397.135238]  ? __down_interruptible+0x700/0x700
[  397.139920]  ext4_filemap_fault+0x82/0xad
[  397.144076]  __do_fault+0x100/0x6b0
[  397.147734]  ? pmd_devmap_trans_unstable+0x220/0x220
[  397.152847]  ? mark_held_locks+0x130/0x130
[  397.157115]  ? mark_held_locks+0x130/0x130
[  397.161356]  ? debug_smp_processor_id+0x1c/0x20
[  397.166027]  ? perf_trace_lock+0x14d/0x7a0
[  397.170294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.175838]  __handle_mm_fault+0x3ea6/0x5be0
[  397.180270]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  397.185136]  ? lock_is_held_type+0x210/0x210
[  397.189572]  ? ksys_dup3+0x680/0x680
[  397.193310]  ? zap_class+0x640/0x640
[  397.197038]  ? zap_class+0x640/0x640
[  397.200751]  ? __x64_sys_futex+0x53e/0x6a0
[  397.204994]  ? find_held_lock+0x36/0x1c0
[  397.209067]  ? handle_mm_fault+0x42a/0xc70
[  397.213312]  ? lock_downgrade+0x900/0x900
[  397.217460]  ? check_preemption_disabled+0x48/0x280
[  397.222483]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.227440]  ? kasan_check_read+0x11/0x20
[  397.231590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.236873]  ? rcu_softirq_qs+0x20/0x20
[  397.240847]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.245965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.251541]  ? check_preemption_disabled+0x48/0x280
[  397.256583]  handle_mm_fault+0x54f/0xc70
[  397.260657]  ? __handle_mm_fault+0x5be0/0x5be0
[  397.265247]  ? find_vma+0x34/0x190
[  397.268810]  __do_page_fault+0x5e8/0xe60
[  397.272869]  ? trace_hardirqs_off+0xb8/0x310
[  397.277290]  do_page_fault+0xf2/0x7e0
[  397.281155]  ? vmalloc_sync_all+0x30/0x30
[  397.285314]  ? error_entry+0x70/0xd0
[  397.289030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.294047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.298982]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.303911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.308755]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.313774]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.319235]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.324268]  ? page_fault+0x8/0x30
[  397.327817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.332662]  ? page_fault+0x8/0x30
[  397.336203]  page_fault+0x1e/0x30
[  397.339653] RIP: 0033:0x40f9c0
[  397.342856] Code: Bad RIP value.
[  397.346219] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  397.351585] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  397.358896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  397.366164] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  397.373431] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  397.380695] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  397.388017] warn_alloc_show_mem: 1 callbacks suppressed
[  397.388028] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  397.388031] Mem-Info:
[  397.388062] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  397.388062]  active_file:15 inactive_file:12 isolated_file:0
[  397.388062]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.388062]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  397.388062]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  397.388062]  free:13790 free_pcp:473 free_cma:0
[  397.393413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.399826] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.402226] Call Trace:
[  397.435272] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.444631]  dump_stack+0x244/0x39d
[  397.472282] lowmem_reserve[]: 0 2818 6321 6321
[  397.474870]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.500960] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  397.504601]  warn_alloc.cold.116+0xb7/0x1bd
[  397.509177] lowmem_reserve[]: 0 0 3503 3503
[  397.514377]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.541854] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  397.546176]  ? lock_downgrade+0x900/0x900
[  397.550475] lowmem_reserve[]: 0 0 0 0
[  397.555323]  ? trace_hardirqs_off+0xb8/0x310
[  397.584483] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  397.588651]  ? trace_hardirqs_off+0xb8/0x310
[  397.592426] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  397.596840]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.610340] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  397.614772]  ? warn_alloc+0x120/0x120
[  397.630082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.634923]  ? print_usage_bug+0xc0/0xc0
[  397.650261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.654052]  ? warn_alloc+0x120/0x120
[  397.662872] 2571 total pagecache pages
[  397.666938]  ? warn_alloc+0x120/0x120
[  397.675499] 0 pages in swap cache
[  397.679289]  ? print_usage_bug+0xc0/0xc0
[  397.683159] Swap cache stats: add 0, delete 0, find 0/0
[  397.686955]  ? print_usage_bug+0xc0/0xc0
[  397.690388] Free swap  = 0kB
[  397.694442]  ? __lock_acquire+0x62f/0x4c20
[  397.699784] Total swap = 0kB
[  397.703843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.706861] 1965979 pages RAM
[  397.711111]  ? should_fail+0x22d/0xd01
[  397.714120] 0 pages HighMem/MovableOnly
[  397.719658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.722757] 342855 pages reserved
[  397.726650]  ? __lock_acquire+0x62f/0x4c20
[  397.730620] 0 pages cma reserved
[  397.735722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.739227] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.743395]  ? __lock_acquire+0x62f/0x4c20
[  397.743411]  ? should_fail+0x22d/0xd01
[  397.746864] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.751876]  ? find_held_lock+0x36/0x1c0
[  397.758350] syz-fuzzer cpuset=/ mems_allowed=0
[  397.762606]  ? mark_held_locks+0x130/0x130
[  397.789532]  ? mark_held_locks+0x130/0x130
[  397.793772]  ? zap_class+0x640/0x640
[  397.797508]  ? mark_held_locks+0xc7/0x130
[  397.801656]  ? do_raw_spin_unlock+0xa7/0x330
[  397.806067]  ? zap_class+0x640/0x640
[  397.809780]  ? print_usage_bug+0xc0/0xc0
[  397.813849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.819394]  ? check_preemption_disabled+0x48/0x280
[  397.824424]  ? __lock_is_held+0xb5/0x140
[  397.828499]  __alloc_pages_nodemask+0xa80/0xde0
[  397.833170]  ? zap_class+0x640/0x640
[  397.836903]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.841934]  ? find_held_lock+0x36/0x1c0
[  397.846009]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.850683]  ? lock_downgrade+0x900/0x900
[  397.854839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.860388]  cache_grow_begin+0xa5/0x8c0
[  397.864449]  ? do_raw_spin_unlock+0xa7/0x330
[  397.868868]  fallback_alloc+0x204/0x2e0
[  397.872868]  ____cache_alloc_node+0x1c7/0x1e0
[  397.877376]  kmem_cache_alloc_node+0xe3/0x730
[  397.881881]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.886135]  __alloc_skb+0x119/0x770
[  397.889850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.895137]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.899547]  ? lock_downgrade+0x900/0x900
[  397.903707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.909266]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.914730]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.920190]  ? addrconf_rs_timer+0x690/0x690
[  397.924623]  ndisc_alloc_skb+0x144/0x340
[  397.928694]  ndisc_send_rs+0x331/0x6e0
[  397.932589]  addrconf_rs_timer+0x314/0x690
[  397.936831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.941079]  call_timer_fn+0x272/0x920
[  397.944971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.949221]  ? process_timeout+0x40/0x40
[  397.953322]  ? __run_timers+0x7da/0xc70
[  397.957303]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.961799]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.966294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.970532]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.975123]  ? trace_hardirqs_on+0xbd/0x310
[  397.979446]  ? kasan_check_read+0x11/0x20
[  397.983598]  ? __run_timers+0x7da/0xc70
[  397.987578]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.992689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.996932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.001177]  __run_timers+0x7e5/0xc70
[  398.004991]  ? timer_fixup_init+0x70/0x70
[  398.009158]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.013669]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.018206]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.022793]  ? trace_hardirqs_on+0xbd/0x310
[  398.027119]  ? kasan_check_read+0x11/0x20
[  398.031277]  ? finish_task_switch+0x1f4/0x910
[  398.035776]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.040880]  ? compat_start_thread+0x80/0x80
[  398.045315]  ? pvclock_read_flags+0x160/0x160
[  398.049811]  ? __switch_to_asm+0x34/0x70
[  398.053874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.059432]  ? check_preemption_disabled+0x48/0x280
[  398.064460]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  398.069999]  ? rcu_pm_notify+0xc0/0xc0
[  398.073888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.079428]  ? check_preemption_disabled+0x48/0x280
[  398.084473]  run_timer_softirq+0x52/0xb0
[  398.088559]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.093588]  __do_softirq+0x308/0xb7e
[  398.097398]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.102331]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.107459]  ? schedule+0x108/0x460
[  398.111097]  ? trace_hardirqs_off+0xb8/0x310
[  398.115513]  ? smpboot_thread_fn+0x68b/0xa00
[  398.119947]  ? trace_hardirqs_on+0x310/0x310
[  398.124363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.129902]  ? check_preemption_disabled+0x48/0x280
[  398.134922]  ? takeover_tasklets+0xa90/0xa90
[  398.139334]  run_ksoftirqd+0x5e/0x100
[  398.143143]  smpboot_thread_fn+0x68b/0xa00
[  398.147385]  ? sort_range+0x30/0x30
[  398.151017]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.156134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.161678]  ? __kthread_parkme+0xfb/0x1a0
[  398.165917]  ? sort_range+0x30/0x30
[  398.169544]  kthread+0x35a/0x440
[  398.172913]  ? kthread_stop+0x900/0x900
[  398.176919]  ret_from_fork+0x3a/0x50
[  398.180653] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  398.180728] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.187239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.187245] Call Trace:
[  398.187251]  <IRQ>
[  398.187269]  dump_stack+0x244/0x39d
[  398.187289]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.193821] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.203135]  warn_alloc.cold.116+0xb7/0x1bd
[  398.205691] ksoftirqd/0 cpuset=/ mems_allowed=0
[  398.207839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.240729]  ? lock_downgrade+0x900/0x900
[  398.244888]  ? trace_hardirqs_off+0xb8/0x310
[  398.249316]  ? trace_hardirqs_off+0xb8/0x310
[  398.253737]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.258631]  ? warn_alloc+0x120/0x120
[  398.262443]  ? print_usage_bug+0xc0/0xc0
[  398.266509]  ? warn_alloc+0x120/0x120
[  398.270319]  ? warn_alloc+0x120/0x120
[  398.274125]  ? print_usage_bug+0xc0/0xc0
[  398.278192]  ? kvm_clock_read+0x18/0x30
[  398.282174]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.287196]  ? print_usage_bug+0xc0/0xc0
[  398.291273]  ? __lock_acquire+0x62f/0x4c20
[  398.295515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.301056]  ? should_fail+0x22d/0xd01
[  398.304953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.310236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.315358]  ? __lock_acquire+0x62f/0x4c20
[  398.319639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.324757]  ? __lock_acquire+0x62f/0x4c20
[  398.329288]  ? should_fail+0x22d/0xd01
[  398.333180]  ? rcu_irq_exit+0x1a2/0x390
[  398.337174]  ? mark_held_locks+0x130/0x130
[  398.341418]  ? mark_held_locks+0x130/0x130
[  398.345664]  ? mark_held_locks+0xc7/0x130
[  398.349827]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  398.354850]  ? zap_class+0x640/0x640
[  398.358568]  ? print_usage_bug+0xc0/0xc0
[  398.362640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.368225]  ? check_preemption_disabled+0x48/0x280
[  398.373257]  ? __lock_is_held+0xb5/0x140
[  398.377344]  __alloc_pages_nodemask+0xa80/0xde0
[  398.382054]  ? zap_class+0x640/0x640
[  398.385804]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.390844]  ? find_held_lock+0x36/0x1c0
[  398.394948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.399644]  ? lock_downgrade+0x900/0x900
[  398.403805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.409353]  cache_grow_begin+0xa5/0x8c0
[  398.413415]  ? do_raw_spin_unlock+0xa7/0x330
[  398.417846]  fallback_alloc+0x204/0x2e0
[  398.421832]  ____cache_alloc_node+0x1c7/0x1e0
[  398.426368]  kmem_cache_alloc_node+0xe3/0x730
[  398.430867]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.435291]  __alloc_skb+0x119/0x770
[  398.439529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.444825]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.449259]  ? lock_downgrade+0x900/0x900
[  398.453419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.458988]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.464443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.469892]  ? addrconf_rs_timer+0x690/0x690
[  398.474320]  ndisc_alloc_skb+0x144/0x340
[  398.478389]  ndisc_send_rs+0x331/0x6e0
[  398.482285]  addrconf_rs_timer+0x314/0x690
[  398.486529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.490776]  call_timer_fn+0x272/0x920
[  398.494665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.498922]  ? process_timeout+0x40/0x40
[  398.503004]  ? mark_held_locks+0xc7/0x130
[  398.507164]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.511666]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.516161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.520413]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.525010]  ? trace_hardirqs_on+0xbd/0x310
[  398.529333]  ? kasan_check_read+0x11/0x20
[  398.533478]  ? __run_timers+0x7da/0xc70
[  398.537465]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.542587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.546841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.551112]  __run_timers+0x7e5/0xc70
[  398.554956]  ? timer_fixup_init+0x70/0x70
[  398.559121]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.564140]  ? zap_class+0x640/0x640
[  398.567863]  ? print_usage_bug+0xc0/0xc0
[  398.571928]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.577131]  ? find_held_lock+0x36/0x1c0
[  398.581206]  ? zap_class+0x640/0x640
[  398.584958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.590499]  ? check_preemption_disabled+0x48/0x280
[  398.595532]  ? __lock_is_held+0xb5/0x140
[  398.599599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.605149]  ? check_preemption_disabled+0x48/0x280
[  398.610182]  run_timer_softirq+0x52/0xb0
[  398.614243]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.619261]  __do_softirq+0x308/0xb7e
[  398.623067]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.627571]  ? lock_downgrade+0x900/0x900
[  398.631729]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.636846]  ? pvclock_read_flags+0x160/0x160
[  398.641348]  ? lapic_next_event+0x5a/0x90
[  398.645502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.651049]  ? kvm_clock_read+0x18/0x30
[  398.655024]  ? kvm_sched_clock_read+0x9/0x20
[  398.659436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.664976]  ? check_preemption_disabled+0x48/0x280
[  398.670006]  irq_exit+0x17f/0x1c0
[  398.673461]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.678304]  ? smp_reschedule_interrupt+0x109/0x650
[  398.683327]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.689225]  ? interrupt_entry+0xb5/0xc0
[  398.693290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.698312]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.703332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.708189]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.713210]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.718242]  ? task_prio+0x50/0x50
[  398.721784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.727322]  ? check_preemption_disabled+0x48/0x280
[  398.732360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.737213]  apic_timer_interrupt+0xf/0x20
[  398.741441]  </IRQ>
[  398.743679] RIP: 0010:console_unlock+0x102f/0x1190
[  398.748617] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  398.767519] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  398.775246] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  398.782524] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  398.789792] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  398.797074] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  398.804350] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  398.811635]  ? netconsole_netdev_event+0x280/0x280
[  398.816574]  ? console_unlock+0x1026/0x1190
[  398.820924]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  398.825595]  ? vprintk_emit+0x846/0x990
[  398.829611]  ? lock_release+0xa00/0xa00
[  398.833590]  ? trace_hardirqs_on+0x20/0x310
[  398.837924]  ? vprintk_default+0x28/0x30
[  398.841989]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.847104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.852658]  vprintk_emit+0x391/0x990
[  398.856467]  ? wake_up_klogd+0x180/0x180
[  398.860547]  ? match_held_lock+0x8c1/0x8d0
[  398.864809]  ? mark_held_locks+0xc7/0x130
[  398.868963]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.873460]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.877990]  vprintk_default+0x28/0x30
[  398.881880]  vprintk_func+0x7e/0x181
[  398.885595]  printk+0xa7/0xcf
[  398.888739]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  398.893503]  ? _raw_spin_unlock_irq+0x60/0x80
[  398.898012]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  398.903301]  dump_header+0x7cc/0xf72
[  398.907044]  ? pagefault_out_of_memory+0x197/0x197
[  398.911994]  ? __lock_acquire+0x62f/0x4c20
[  398.916233]  ? percpu_ref_get_many+0x240/0x240
[  398.920819]  ? print_usage_bug+0xc0/0xc0
[  398.924890]  ? zap_class+0x640/0x640
[  398.928620]  ? print_usage_bug+0xc0/0xc0
[  398.932689]  ? zap_class+0x640/0x640
[  398.936423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.941970]  ? find_held_lock+0x36/0x1c0
[  398.946044]  ? mark_held_locks+0xc7/0x130
[  398.950198]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.955318]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.960436]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.965021]  ? trace_hardirqs_on+0xbd/0x310
[  398.969343]  ? kasan_check_read+0x11/0x20
[  398.973492]  ? ___ratelimit+0x3b4/0x672
[  398.977484]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.982592]  ? trace_hardirqs_on+0x310/0x310
[  398.987012]  ? lock_downgrade+0x900/0x900
[  398.991191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.996296]  ? ___ratelimit+0x3b9/0x672
[  399.000274]  ? idr_get_free+0xf70/0xf70
[  399.004291]  ? find_held_lock+0x36/0x1c0
[  399.008376]  oom_kill_process.cold.27+0x10/0x903
[  399.013138]  ? zap_class+0x640/0x640
[  399.016854]  ? check_preemption_disabled+0x48/0x280
[  399.021879]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.026808]  ? kasan_check_read+0x11/0x20
[  399.030961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.036247]  ? oom_evaluate_task+0x540/0x540
[  399.040663]  ? find_held_lock+0x36/0x1c0
[  399.044746]  ? out_of_memory+0x974/0x1430
[  399.048899]  ? lock_downgrade+0x900/0x900
[  399.053048]  ? check_preemption_disabled+0x48/0x280
[  399.058081]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.063019]  ? kasan_check_read+0x11/0x20
[  399.067195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.072472]  ? rcu_softirq_qs+0x20/0x20
[  399.076453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.082002]  ? oom_evaluate_task+0x302/0x540
[  399.086422]  out_of_memory+0xa84/0x1430
[  399.090413]  ? oom_killer_disable+0x3a0/0x3a0
[  399.094914]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  399.099851]  ? __ww_mutex_check_waiters+0x160/0x160
[  399.104881]  __alloc_pages_slowpath+0x2354/0x2e10
[  399.109796]  ? warn_alloc+0x120/0x120
[  399.113616]  ? mark_held_locks+0x130/0x130
[  399.117858]  ? find_get_entry+0xaae/0x1120
[  399.122114]  ? filemap_map_pages+0x1a20/0x1a20
[  399.126705]  ? zap_class+0x640/0x640
[  399.130424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.135965]  ? check_preemption_disabled+0x48/0x280
[  399.140983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.146534]  ? should_fail+0x22d/0xd01
[  399.150425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.155537]  ? zap_class+0x640/0x640
[  399.159294]  ? __lock_is_held+0xb5/0x140
[  399.163366]  ? mark_held_locks+0x130/0x130
[  399.167617]  ? lock_release+0xa00/0xa00
[  399.171595]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.177066]  ? xa_load+0x2ba/0x460
[  399.180621]  ? lock_downgrade+0x900/0x900
[  399.184777]  ? __might_sleep+0x95/0x190
[  399.188764]  __alloc_pages_nodemask+0xa80/0xde0
[  399.193450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.198482]  ? __page_cache_alloc+0x191/0x5c0
[  399.202980]  ? xa_load+0x2e1/0x460
[  399.206526]  ? xa_clear_mark+0x40/0x40
[  399.210425]  ? zap_class+0x640/0x640
[  399.214164]  ? zap_class+0x640/0x640
[  399.217891]  ? zap_class+0x640/0x640
[  399.221625]  ? __do_page_cache_readahead+0x663/0x810
[  399.226740]  ? find_held_lock+0x36/0x1c0
[  399.230808]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  399.236355]  alloc_pages_current+0x173/0x350
[  399.240786]  __page_cache_alloc+0x38c/0x5c0
[  399.245113]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.250057]  ? kasan_check_read+0x11/0x20
[  399.254215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.259496]  ? generic_perform_write+0x6a0/0x6a0
[  399.264256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.269796]  ? check_preemption_disabled+0x48/0x280
[  399.274839]  filemap_fault+0x1595/0x25f0
[  399.278929]  ? __lock_page_or_retry+0xa00/0xa00
[  399.283609]  ? mark_held_locks+0x130/0x130
[  399.287868]  ? filemap_map_pages+0xd6b/0x1a20
[  399.292376]  ? lock_downgrade+0x900/0x900
[  399.296527]  ? check_preemption_disabled+0x48/0x280
[  399.301549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.306479]  ? kasan_check_read+0x11/0x20
[  399.310642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.315931]  ? rcu_softirq_qs+0x20/0x20
[  399.319926]  ? filemap_map_pages+0xd92/0x1a20
[  399.324439]  ? find_get_entries_tag+0x1400/0x1400
[  399.329293]  ? debug_object_destroy+0x2b0/0x2b0
[  399.333963]  ? lock_pi_update_atomic+0x150/0x150
[  399.338735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.344288]  ? lock_acquire+0x1ed/0x520
[  399.348265]  ? ext4_filemap_fault+0x7a/0xad
[  399.352598]  ? lock_release+0xa00/0xa00
[  399.356588]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.362045]  ? print_usage_bug+0xc0/0xc0
[  399.366110]  ? print_usage_bug+0xc0/0xc0
[  399.370202]  ? down_read+0x8d/0x120
[  399.373830]  ? ext4_filemap_fault+0x7a/0xad
[  399.378160]  ? __down_interruptible+0x700/0x700
[  399.382865]  ext4_filemap_fault+0x82/0xad
[  399.387037]  __do_fault+0x100/0x6b0
[  399.390672]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.395783]  ? mark_held_locks+0x130/0x130
[  399.400023]  ? mark_held_locks+0x130/0x130
[  399.404262]  ? debug_smp_processor_id+0x1c/0x20
[  399.408934]  ? perf_trace_lock+0x14d/0x7a0
[  399.413222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.418771]  __handle_mm_fault+0x3ea6/0x5be0
[  399.423192]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.428063]  ? lock_is_held_type+0x210/0x210
[  399.432482]  ? ksys_dup3+0x680/0x680
[  399.436216]  ? zap_class+0x640/0x640
[  399.439945]  ? zap_class+0x640/0x640
[  399.443656]  ? __x64_sys_futex+0x53e/0x6a0
[  399.447896]  ? find_held_lock+0x36/0x1c0
[  399.451972]  ? handle_mm_fault+0x42a/0xc70
[  399.456210]  ? lock_downgrade+0x900/0x900
[  399.460371]  ? check_preemption_disabled+0x48/0x280
[  399.465394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.470341]  ? kasan_check_read+0x11/0x20
[  399.474489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.479789]  ? rcu_softirq_qs+0x20/0x20
[  399.483780]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.488909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.494453]  ? check_preemption_disabled+0x48/0x280
[  399.499482]  handle_mm_fault+0x54f/0xc70
[  399.503550]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.508157]  ? find_vma+0x34/0x190
[  399.511706]  __do_page_fault+0x5e8/0xe60
[  399.515779]  ? trace_hardirqs_off+0xb8/0x310
[  399.520203]  do_page_fault+0xf2/0x7e0
[  399.524038]  ? vmalloc_sync_all+0x30/0x30
[  399.528192]  ? error_entry+0x70/0xd0
[  399.531912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.536929]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.541878]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.546824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.551674]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.556692]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.562154]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.567177]  ? page_fault+0x8/0x30
[  399.570722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.575569]  ? page_fault+0x8/0x30
[  399.579114]  page_fault+0x1e/0x30
[  399.582592] RIP: 0033:0x40f9c0
[  399.585817] Code: Bad RIP value.
[  399.589205] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  399.594570] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  399.601860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  399.609131] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  399.616401] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  399.623669] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  399.630963] warn_alloc_show_mem: 1 callbacks suppressed
[  399.630975] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  399.630977] Mem-Info:
[  399.631008] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  399.631008]  active_file:15 inactive_file:12 isolated_file:0
[  399.631008]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.631008]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  399.631008]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  399.631008]  free:13790 free_pcp:473 free_cma:0
[  399.636352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.642768] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.645179] Call Trace:
[  399.678226] 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
[  399.687610]  dump_stack+0x244/0x39d
[  399.715372] lowmem_reserve[]: 0 2818 6321 6321
[  399.717972]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.744148] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  399.747817]  warn_alloc.cold.116+0xb7/0x1bd
[  399.752366] lowmem_reserve[]: 0 0 3503 3503
[  399.757556]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.785031] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  399.789352]  ? lock_downgrade+0x900/0x900
[  399.793649] lowmem_reserve[]: 0 0 0 0
[  399.798497]  ? trace_hardirqs_off+0xb8/0x310
[  399.827623] 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
[  399.831776]  ? trace_hardirqs_off+0xb8/0x310
[  399.835549] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  399.839961]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.853461] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  399.857922]  ? warn_alloc+0x120/0x120
[  399.873234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.878066]  ? print_usage_bug+0xc0/0xc0
[  399.893403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.897222]  ? warn_alloc+0x120/0x120
[  399.906055] 2571 total pagecache pages
[  399.910132]  ? warn_alloc+0x120/0x120
[  399.918691] 0 pages in swap cache
[  399.922480]  ? print_usage_bug+0xc0/0xc0
[  399.926352] Swap cache stats: add 0, delete 0, find 0/0
[  399.930156]  ? print_usage_bug+0xc0/0xc0
[  399.933622] Free swap  = 0kB
[  399.937689]  ? __lock_acquire+0x62f/0x4c20
[  399.943031] Total swap = 0kB
[  399.947100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.950098] 1965979 pages RAM
[  399.954338]  ? should_fail+0x22d/0xd01
[  399.957335] 0 pages HighMem/MovableOnly
[  399.962872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.965956] 342855 pages reserved
[  399.969841]  ? __lock_acquire+0x62f/0x4c20
[  399.973797] 0 pages cma reserved
[  399.978898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.982395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.986554]  ? __lock_acquire+0x62f/0x4c20
[  399.986567]  ? should_fail+0x22d/0xd01
[  399.986582]  ? find_held_lock+0x36/0x1c0
[  399.986605]  ? mark_held_locks+0x130/0x130
[  399.990008] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.995055]  ? mark_held_locks+0x130/0x130
[  400.001530] syz-fuzzer cpuset=/ mems_allowed=0
[  400.005764]  ? zap_class+0x640/0x640
[  400.040631]  ? zap_class+0x640/0x640
[  400.044351]  ? print_usage_bug+0xc0/0xc0
[  400.048411]  ? do_raw_spin_unlock+0xa7/0x330
[  400.052822]  ? zap_class+0x640/0x640
[  400.056552]  ? print_usage_bug+0xc0/0xc0
[  400.060631]  ? wq_watchdog_touch+0x9c/0xfe
[  400.064873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.070412]  ? check_preemption_disabled+0x48/0x280
[  400.075445]  ? __lock_is_held+0xb5/0x140
[  400.079518]  __alloc_pages_nodemask+0xa80/0xde0
[  400.084191]  ? zap_class+0x640/0x640
[  400.087912]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.092957]  ? find_held_lock+0x36/0x1c0
[  400.097031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.101705]  ? lock_downgrade+0x900/0x900
[  400.105867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.111415]  cache_grow_begin+0xa5/0x8c0
[  400.115495]  ? do_raw_spin_unlock+0xa7/0x330
[  400.119926]  fallback_alloc+0x204/0x2e0
[  400.123908]  ____cache_alloc_node+0x1c7/0x1e0
[  400.128415]  kmem_cache_alloc_node+0xe3/0x730
[  400.132911]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.137158]  __alloc_skb+0x119/0x770
[  400.140871]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.146153]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.150564]  ? lock_downgrade+0x900/0x900
[  400.154735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.160286]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.165742]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.171197]  ? addrconf_rs_timer+0x690/0x690
[  400.175618]  ndisc_alloc_skb+0x144/0x340
[  400.179719]  ndisc_send_rs+0x331/0x6e0
[  400.183620]  addrconf_rs_timer+0x314/0x690
[  400.187862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.192122]  call_timer_fn+0x272/0x920
[  400.196027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.200261]  ? process_timeout+0x40/0x40
[  400.204334]  ? __run_timers+0x7da/0xc70
[  400.208319]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.212816]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.217310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.221545]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.226158]  ? trace_hardirqs_on+0xbd/0x310
[  400.230479]  ? kasan_check_read+0x11/0x20
[  400.234627]  ? __run_timers+0x7da/0xc70
[  400.238605]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.243729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.247987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.252226]  __run_timers+0x7e5/0xc70
[  400.256046]  ? timer_fixup_init+0x70/0x70
[  400.260198]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.264713]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.269214]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.273798]  ? trace_hardirqs_on+0xbd/0x310
[  400.278131]  ? kasan_check_read+0x11/0x20
[  400.282285]  ? finish_task_switch+0x1f4/0x910
[  400.286793]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.291905]  ? compat_start_thread+0x80/0x80
[  400.296341]  ? pvclock_read_flags+0x160/0x160
[  400.300860]  ? __switch_to_asm+0x34/0x70
[  400.304937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.310485]  ? check_preemption_disabled+0x48/0x280
[  400.315523]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  400.321068]  ? rcu_pm_notify+0xc0/0xc0
[  400.324977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.331051]  ? check_preemption_disabled+0x48/0x280
[  400.336076]  run_timer_softirq+0x52/0xb0
[  400.340157]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.345175]  __do_softirq+0x308/0xb7e
[  400.348989]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.353936]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.359050]  ? schedule+0x108/0x460
[  400.362707]  ? trace_hardirqs_off+0xb8/0x310
[  400.367135]  ? smpboot_thread_fn+0x68b/0xa00
[  400.371558]  ? trace_hardirqs_on+0x310/0x310
[  400.375982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.381526]  ? check_preemption_disabled+0x48/0x280
[  400.386546]  ? takeover_tasklets+0xa90/0xa90
[  400.391730]  run_ksoftirqd+0x5e/0x100
[  400.395533]  smpboot_thread_fn+0x68b/0xa00
[  400.399776]  ? sort_range+0x30/0x30
[  400.403419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.408528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.414069]  ? __kthread_parkme+0xfb/0x1a0
[  400.418323]  ? sort_range+0x30/0x30
[  400.421955]  kthread+0x35a/0x440
[  400.425324]  ? kthread_stop+0x900/0x900
[  400.429303]  ret_from_fork+0x3a/0x50
[  400.433040] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  400.433140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.440099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.440105] Call Trace:
[  400.440120]  <IRQ>
[  400.440138]  dump_stack+0x244/0x39d
[  400.440157]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.446724] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.456005]  warn_alloc.cold.116+0xb7/0x1bd
[  400.458559] ksoftirqd/0 cpuset=/ mems_allowed=0
[  400.460709]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.493598]  ? lock_downgrade+0x900/0x900
[  400.497762]  ? trace_hardirqs_off+0xb8/0x310
[  400.502184]  ? trace_hardirqs_off+0xb8/0x310
[  400.506621]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.511506]  ? warn_alloc+0x120/0x120
[  400.515331]  ? print_usage_bug+0xc0/0xc0
[  400.519436]  ? warn_alloc+0x120/0x120
[  400.523246]  ? warn_alloc+0x120/0x120
[  400.527056]  ? print_usage_bug+0xc0/0xc0
[  400.531136]  ? print_usage_bug+0xc0/0xc0
[  400.535205]  ? __lock_acquire+0x62f/0x4c20
[  400.539450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.544990]  ? should_fail+0x22d/0xd01
[  400.548887]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.553992]  ? __lock_acquire+0x62f/0x4c20
[  400.558243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.563348]  ? __lock_acquire+0x62f/0x4c20
[  400.567582]  ? should_fail+0x22d/0xd01
[  400.571480]  ? find_held_lock+0x36/0x1c0
[  400.575567]  ? mark_held_locks+0x130/0x130
[  400.579826]  ? mark_held_locks+0x130/0x130
[  400.584062]  ? zap_class+0x640/0x640
[  400.587786]  ? zap_class+0x640/0x640
[  400.591515]  ? print_usage_bug+0xc0/0xc0
[  400.595590]  ? do_raw_spin_unlock+0xa7/0x330
[  400.600003]  ? zap_class+0x640/0x640
[  400.603720]  ? print_usage_bug+0xc0/0xc0
[  400.607786]  ? wq_watchdog_touch+0x9c/0xfe
[  400.612051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.617591]  ? check_preemption_disabled+0x48/0x280
[  400.622629]  ? __lock_is_held+0xb5/0x140
[  400.626702]  __alloc_pages_nodemask+0xa80/0xde0
[  400.631374]  ? zap_class+0x640/0x640
[  400.635104]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.640139]  ? find_held_lock+0x36/0x1c0
[  400.644227]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.648902]  ? lock_downgrade+0x900/0x900
[  400.653074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.658645]  cache_grow_begin+0xa5/0x8c0
[  400.662705]  ? do_raw_spin_unlock+0xa7/0x330
[  400.667146]  fallback_alloc+0x204/0x2e0
[  400.671133]  ____cache_alloc_node+0x1c7/0x1e0
[  400.675661]  kmem_cache_alloc_node+0xe3/0x730
[  400.680155]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.684405]  __alloc_skb+0x119/0x770
[  400.688124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.693433]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.697842]  ? lock_downgrade+0x900/0x900
[  400.702013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.707554]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.713015]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.718468]  ? addrconf_rs_timer+0x690/0x690
[  400.722907]  ndisc_alloc_skb+0x144/0x340
[  400.726988]  ndisc_send_rs+0x331/0x6e0
[  400.730892]  addrconf_rs_timer+0x314/0x690
[  400.735134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.739383]  call_timer_fn+0x272/0x920
[  400.743271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.747522]  ? process_timeout+0x40/0x40
[  400.751593]  ? mark_held_locks+0xc7/0x130
[  400.755753]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.760275]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.764778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.769043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.773634]  ? trace_hardirqs_on+0xbd/0x310
[  400.777970]  ? kasan_check_read+0x11/0x20
[  400.782134]  ? __run_timers+0x7da/0xc70
[  400.786117]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.791240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.795485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.799725]  __run_timers+0x7e5/0xc70
[  400.803566]  ? timer_fixup_init+0x70/0x70
[  400.807755]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.812776]  ? zap_class+0x640/0x640
[  400.816500]  ? print_usage_bug+0xc0/0xc0
[  400.820582]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.825785]  ? find_held_lock+0x36/0x1c0
[  400.829852]  ? zap_class+0x640/0x640
[  400.833574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.839132]  ? check_preemption_disabled+0x48/0x280
[  400.844179]  ? __lock_is_held+0xb5/0x140
[  400.848243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.853786]  ? check_preemption_disabled+0x48/0x280
[  400.858823]  run_timer_softirq+0x52/0xb0
[  400.862892]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.867910]  __do_softirq+0x308/0xb7e
[  400.871723]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.876221]  ? lock_downgrade+0x900/0x900
[  400.880392]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.885507]  ? pvclock_read_flags+0x160/0x160
[  400.890008]  ? lapic_next_event+0x5a/0x90
[  400.894171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.899721]  ? kvm_clock_read+0x18/0x30
[  400.903696]  ? kvm_sched_clock_read+0x9/0x20
[  400.908127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.913683]  ? check_preemption_disabled+0x48/0x280
[  400.918718]  irq_exit+0x17f/0x1c0
[  400.922174]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.927021]  ? smp_reschedule_interrupt+0x109/0x650
[  400.932041]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.937932]  ? interrupt_entry+0xb5/0xc0
[  400.942008]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.947028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.952070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.956946]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.961970]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.967004]  ? task_prio+0x50/0x50
[  400.970556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.976121]  ? check_preemption_disabled+0x48/0x280
[  400.981165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.986020]  apic_timer_interrupt+0xf/0x20
[  400.990251]  </IRQ>
[  400.992493] RIP: 0010:console_unlock+0x102f/0x1190
[  400.997424] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  401.016342] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  401.024050] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  401.031316] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  401.038585] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  401.045867] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  401.053134] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  401.060438]  ? netconsole_netdev_event+0x280/0x280
[  401.065380]  ? console_unlock+0x1026/0x1190
[  401.069724]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  401.074393]  ? vprintk_emit+0x846/0x990
[  401.078387]  ? lock_release+0xa00/0xa00
[  401.082366]  ? trace_hardirqs_on+0x20/0x310
[  401.086692]  ? vprintk_default+0x28/0x30
[  401.090758]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.095881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.101435]  vprintk_emit+0x391/0x990
[  401.105245]  ? wake_up_klogd+0x180/0x180
[  401.109313]  ? match_held_lock+0x8c1/0x8d0
[  401.113572]  ? mark_held_locks+0xc7/0x130
[  401.117731]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.122224]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.126740]  vprintk_default+0x28/0x30
[  401.130645]  vprintk_func+0x7e/0x181
[  401.134365]  printk+0xa7/0xcf
[  401.137472]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  401.142246]  ? _raw_spin_unlock_irq+0x60/0x80
[  401.146755]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  401.152041]  dump_header+0x7cc/0xf72
[  401.155771]  ? pagefault_out_of_memory+0x197/0x197
[  401.160714]  ? __lock_acquire+0x62f/0x4c20
[  401.164955]  ? percpu_ref_get_many+0x240/0x240
[  401.169543]  ? print_usage_bug+0xc0/0xc0
[  401.173617]  ? zap_class+0x640/0x640
[  401.177353]  ? print_usage_bug+0xc0/0xc0
[  401.181420]  ? zap_class+0x640/0x640
[  401.185140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.190698]  ? find_held_lock+0x36/0x1c0
[  401.194769]  ? mark_held_locks+0xc7/0x130
[  401.198924]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.204034]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.209155]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.213742]  ? trace_hardirqs_on+0xbd/0x310
[  401.218065]  ? kasan_check_read+0x11/0x20
[  401.222229]  ? ___ratelimit+0x3b4/0x672
[  401.226211]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.231315]  ? trace_hardirqs_on+0x310/0x310
[  401.235739]  ? lock_downgrade+0x900/0x900
[  401.239898]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.245021]  ? ___ratelimit+0x3b9/0x672
[  401.249011]  ? idr_get_free+0xf70/0xf70
[  401.252988]  ? find_held_lock+0x36/0x1c0
[  401.257061]  oom_kill_process.cold.27+0x10/0x903
[  401.261824]  ? zap_class+0x640/0x640
[  401.265554]  ? check_preemption_disabled+0x48/0x280
[  401.270611]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.275540]  ? kasan_check_read+0x11/0x20
[  401.279687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.284971]  ? oom_evaluate_task+0x540/0x540
[  401.289414]  ? find_held_lock+0x36/0x1c0
[  401.293488]  ? out_of_memory+0x974/0x1430
[  401.297642]  ? lock_downgrade+0x900/0x900
[  401.301792]  ? check_preemption_disabled+0x48/0x280
[  401.306812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.311746]  ? kasan_check_read+0x11/0x20
[  401.315893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.321169]  ? rcu_softirq_qs+0x20/0x20
[  401.325151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.330690]  ? oom_evaluate_task+0x302/0x540
[  401.335117]  out_of_memory+0xa84/0x1430
[  401.339113]  ? oom_killer_disable+0x3a0/0x3a0
[  401.343632]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  401.348570]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.353624]  __alloc_pages_slowpath+0x2354/0x2e10
[  401.358505]  ? warn_alloc+0x120/0x120
[  401.362305]  ? mark_held_locks+0x130/0x130
[  401.366548]  ? find_get_entry+0xaae/0x1120
[  401.370800]  ? filemap_map_pages+0x1a20/0x1a20
[  401.375391]  ? zap_class+0x640/0x640
[  401.379114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.384659]  ? check_preemption_disabled+0x48/0x280
[  401.389682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.395224]  ? should_fail+0x22d/0xd01
[  401.399140]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.404247]  ? zap_class+0x640/0x640
[  401.408003]  ? __lock_is_held+0xb5/0x140
[  401.412135]  ? mark_held_locks+0x130/0x130
[  401.416378]  ? lock_release+0xa00/0xa00
[  401.420372]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.425827]  ? xa_load+0x2ba/0x460
[  401.429370]  ? lock_downgrade+0x900/0x900
[  401.433526]  ? __might_sleep+0x95/0x190
[  401.437513]  __alloc_pages_nodemask+0xa80/0xde0
[  401.442210]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.447232]  ? __page_cache_alloc+0x191/0x5c0
[  401.451726]  ? xa_load+0x2e1/0x460
[  401.455277]  ? xa_clear_mark+0x40/0x40
[  401.459169]  ? zap_class+0x640/0x640
[  401.462908]  ? zap_class+0x640/0x640
[  401.466625]  ? zap_class+0x640/0x640
[  401.470353]  ? __do_page_cache_readahead+0x663/0x810
[  401.475470]  ? find_held_lock+0x36/0x1c0
[  401.479543]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.485130]  alloc_pages_current+0x173/0x350
[  401.489551]  __page_cache_alloc+0x38c/0x5c0
[  401.493879]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.498823]  ? kasan_check_read+0x11/0x20
[  401.502975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.508259]  ? generic_perform_write+0x6a0/0x6a0
[  401.513019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.518563]  ? check_preemption_disabled+0x48/0x280
[  401.523606]  filemap_fault+0x1595/0x25f0
[  401.527716]  ? __lock_page_or_retry+0xa00/0xa00
[  401.532389]  ? mark_held_locks+0x130/0x130
[  401.536639]  ? filemap_map_pages+0xd6b/0x1a20
[  401.541151]  ? lock_downgrade+0x900/0x900
[  401.545300]  ? check_preemption_disabled+0x48/0x280
[  401.550325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.555257]  ? kasan_check_read+0x11/0x20
[  401.559417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.564700]  ? rcu_softirq_qs+0x20/0x20
[  401.568695]  ? filemap_map_pages+0xd92/0x1a20
[  401.573207]  ? find_get_entries_tag+0x1400/0x1400
[  401.578055]  ? debug_object_destroy+0x2b0/0x2b0
[  401.582737]  ? lock_pi_update_atomic+0x150/0x150
[  401.587496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.593078]  ? lock_acquire+0x1ed/0x520
[  401.597069]  ? ext4_filemap_fault+0x7a/0xad
[  401.601408]  ? lock_release+0xa00/0xa00
[  401.605393]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.610847]  ? print_usage_bug+0xc0/0xc0
[  401.614924]  ? print_usage_bug+0xc0/0xc0
[  401.618999]  ? down_read+0x8d/0x120
[  401.622630]  ? ext4_filemap_fault+0x7a/0xad
[  401.626955]  ? __down_interruptible+0x700/0x700
[  401.631660]  ext4_filemap_fault+0x82/0xad
[  401.635822]  __do_fault+0x100/0x6b0
[  401.639466]  ? pmd_devmap_trans_unstable+0x220/0x220
[  401.644599]  ? mark_held_locks+0x130/0x130
[  401.648849]  ? mark_held_locks+0x130/0x130
[  401.653105]  ? debug_smp_processor_id+0x1c/0x20
[  401.657802]  ? perf_trace_lock+0x14d/0x7a0
[  401.662048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.667592]  __handle_mm_fault+0x3ea6/0x5be0
[  401.672021]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  401.676872]  ? lock_is_held_type+0x210/0x210
[  401.681290]  ? ksys_dup3+0x680/0x680
[  401.685028]  ? zap_class+0x640/0x640
[  401.688742]  ? zap_class+0x640/0x640
[  401.692456]  ? __x64_sys_futex+0x53e/0x6a0
[  401.696700]  ? find_held_lock+0x36/0x1c0
[  401.700780]  ? handle_mm_fault+0x42a/0xc70
[  401.705022]  ? lock_downgrade+0x900/0x900
[  401.709176]  ? check_preemption_disabled+0x48/0x280
[  401.714200]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.719160]  ? kasan_check_read+0x11/0x20
[  401.723311]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.728608]  ? rcu_softirq_qs+0x20/0x20
[  401.732609]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.737717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.743256]  ? check_preemption_disabled+0x48/0x280
[  401.748286]  handle_mm_fault+0x54f/0xc70
[  401.752355]  ? __handle_mm_fault+0x5be0/0x5be0
[  401.756945]  ? find_vma+0x34/0x190
[  401.760509]  __do_page_fault+0x5e8/0xe60
[  401.764575]  ? trace_hardirqs_off+0xb8/0x310
[  401.769003]  do_page_fault+0xf2/0x7e0
[  401.772826]  ? vmalloc_sync_all+0x30/0x30
[  401.776982]  ? error_entry+0x70/0xd0
[  401.780701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.785718]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.790650]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.795597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.800475]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.805506]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.810963]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.815982]  ? page_fault+0x8/0x30
[  401.819529]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.824376]  ? page_fault+0x8/0x30
[  401.827943]  page_fault+0x1e/0x30
[  401.831393] RIP: 0033:0x40f9c0
[  401.834609] Code: Bad RIP value.
[  401.837973] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  401.843333] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  401.850608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  401.857875] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  401.865143] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  401.872412] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  401.879716] warn_alloc_show_mem: 1 callbacks suppressed
[  401.879727] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  401.879729] Mem-Info:
[  401.879760] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  401.879760]  active_file:15 inactive_file:12 isolated_file:0
[  401.879760]  unevictable:0 dirty:0 writeback:0 unstable:0
[  401.879760]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  401.879760]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  401.879760]  free:13790 free_pcp:473 free_cma:0
[  401.885112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.891535] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  401.893938] Call Trace:
[  401.926978] 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
[  401.936338]  dump_stack+0x244/0x39d
[  401.963990] lowmem_reserve[]: 0 2818 6321 6321
[  401.966576]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.992676] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  401.996312]  warn_alloc.cold.116+0xb7/0x1bd
[  402.000853] lowmem_reserve[]: 0 0 3503 3503
[  402.006051]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.033544] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  402.037866]  ? lock_downgrade+0x900/0x900
[  402.042169] lowmem_reserve[]: 0 0 0 0
[  402.047016]  ? trace_hardirqs_off+0xb8/0x310
[  402.076137] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  402.080289]  ? trace_hardirqs_off+0xb8/0x310
[  402.084057] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  402.088490]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.101988] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  402.106423]  ? warn_alloc+0x120/0x120
[  402.121734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.126574]  ? print_usage_bug+0xc0/0xc0
[  402.141903] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.145696]  ? warn_alloc+0x120/0x120
[  402.154509] 2571 total pagecache pages
[  402.158567]  ? warn_alloc+0x120/0x120
[  402.167162] 0 pages in swap cache
[  402.170972]  ? print_usage_bug+0xc0/0xc0
[  402.174838] Swap cache stats: add 0, delete 0, find 0/0
[  402.178629]  ? print_usage_bug+0xc0/0xc0
[  402.182059] Free swap  = 0kB
[  402.186137]  ? __lock_acquire+0x62f/0x4c20
[  402.191484] Total swap = 0kB
[  402.195544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.198539] 1965979 pages RAM
[  402.202768]  ? should_fail+0x22d/0xd01
[  402.205777] 0 pages HighMem/MovableOnly
[  402.211312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.214396] 342855 pages reserved
[  402.218280]  ? __lock_acquire+0x62f/0x4c20
[  402.222234] 0 pages cma reserved
[  402.227337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.230826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.234994]  ? __lock_acquire+0x62f/0x4c20
[  402.235006]  ? should_fail+0x22d/0xd01
[  402.235020]  ? find_held_lock+0x36/0x1c0
[  402.235041]  ? mark_held_locks+0x130/0x130
[  402.238438] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.243479]  ? mark_held_locks+0x130/0x130
[  402.249964] syz-fuzzer cpuset=/ mems_allowed=0
[  402.254197]  ? zap_class+0x640/0x640
[  402.289068]  ? mark_held_locks+0xc7/0x130
[  402.293228]  ? do_raw_spin_unlock+0xa7/0x330
[  402.297639]  ? zap_class+0x640/0x640
[  402.301355]  ? print_usage_bug+0xc0/0xc0
[  402.305423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.310977]  ? check_preemption_disabled+0x48/0x280
[  402.316016]  ? __lock_is_held+0xb5/0x140
[  402.320098]  __alloc_pages_nodemask+0xa80/0xde0
[  402.324776]  ? zap_class+0x640/0x640
[  402.328962]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.333996]  ? find_held_lock+0x36/0x1c0
[  402.338085]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.342776]  ? lock_downgrade+0x900/0x900
[  402.346935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.352501]  cache_grow_begin+0xa5/0x8c0
[  402.356572]  ? do_raw_spin_unlock+0xa7/0x330
[  402.360993]  fallback_alloc+0x204/0x2e0
[  402.364979]  ____cache_alloc_node+0x1c7/0x1e0
[  402.369486]  kmem_cache_alloc_node+0xe3/0x730
[  402.373990]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.378264]  __alloc_skb+0x119/0x770
[  402.381982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.387264]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.391676]  ? lock_downgrade+0x900/0x900
[  402.395862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.401403]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.406859]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.412318]  ? addrconf_rs_timer+0x690/0x690
[  402.416743]  ndisc_alloc_skb+0x144/0x340
[  402.420825]  ndisc_send_rs+0x331/0x6e0
[  402.424732]  addrconf_rs_timer+0x314/0x690
[  402.428975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.433226]  call_timer_fn+0x272/0x920
[  402.437304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.441544]  ? process_timeout+0x40/0x40
[  402.445617]  ? __run_timers+0x7da/0xc70
[  402.449601]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.454107]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.458603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.462841]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.467426]  ? trace_hardirqs_on+0xbd/0x310
[  402.471748]  ? kasan_check_read+0x11/0x20
[  402.475895]  ? __run_timers+0x7da/0xc70
[  402.479893]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.485008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.489253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.493505]  __run_timers+0x7e5/0xc70
[  402.497332]  ? timer_fixup_init+0x70/0x70
[  402.501481]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.505978]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.510491]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.515076]  ? trace_hardirqs_on+0xbd/0x310
[  402.519403]  ? kasan_check_read+0x11/0x20
[  402.523557]  ? finish_task_switch+0x1f4/0x910
[  402.528055]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.533160]  ? compat_start_thread+0x80/0x80
[  402.537607]  ? pvclock_read_flags+0x160/0x160
[  402.542143]  ? __switch_to_asm+0x34/0x70
[  402.546214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.551758]  ? check_preemption_disabled+0x48/0x280
[  402.556788]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  402.562328]  ? rcu_pm_notify+0xc0/0xc0
[  402.566220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.571760]  ? check_preemption_disabled+0x48/0x280
[  402.576789]  run_timer_softirq+0x52/0xb0
[  402.580849]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.585874]  __do_softirq+0x308/0xb7e
[  402.589681]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.594625]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.599751]  ? schedule+0x108/0x460
[  402.603389]  ? trace_hardirqs_off+0xb8/0x310
[  402.607800]  ? smpboot_thread_fn+0x68b/0xa00
[  402.612228]  ? trace_hardirqs_on+0x310/0x310
[  402.616640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.622179]  ? check_preemption_disabled+0x48/0x280
[  402.627197]  ? takeover_tasklets+0xa90/0xa90
[  402.631625]  run_ksoftirqd+0x5e/0x100
[  402.635429]  smpboot_thread_fn+0x68b/0xa00
[  402.639683]  ? sort_range+0x30/0x30
[  402.643325]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.648472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.654021]  ? __kthread_parkme+0xfb/0x1a0
[  402.658262]  ? sort_range+0x30/0x30
[  402.661906]  kthread+0x35a/0x440
[  402.665279]  ? kthread_stop+0x900/0x900
[  402.669259]  ret_from_fork+0x3a/0x50
[  402.672996] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  402.673071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.679584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.679589] Call Trace:
[  402.679596]  <IRQ>
[  402.679623]  dump_stack+0x244/0x39d
[  402.679642]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.686213] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.695503]  warn_alloc.cold.116+0xb7/0x1bd
[  402.698058] ksoftirqd/0 cpuset=/ mems_allowed=0
[  402.700205]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.733126]  ? lock_downgrade+0x900/0x900
[  402.737291]  ? trace_hardirqs_off+0xb8/0x310
[  402.741711]  ? trace_hardirqs_off+0xb8/0x310
[  402.746148]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.751027]  ? warn_alloc+0x120/0x120
[  402.754834]  ? print_usage_bug+0xc0/0xc0
[  402.758903]  ? warn_alloc+0x120/0x120
[  402.762723]  ? warn_alloc+0x120/0x120
[  402.766526]  ? print_usage_bug+0xc0/0xc0
[  402.770625]  ? print_usage_bug+0xc0/0xc0
[  402.774692]  ? __lock_acquire+0x62f/0x4c20
[  402.778937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.784479]  ? should_fail+0x22d/0xd01
[  402.788376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.793512]  ? __lock_acquire+0x62f/0x4c20
[  402.797793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.802913]  ? __lock_acquire+0x62f/0x4c20
[  402.807150]  ? should_fail+0x22d/0xd01
[  402.811069]  ? find_held_lock+0x36/0x1c0
[  402.815154]  ? mark_held_locks+0x130/0x130
[  402.819417]  ? mark_held_locks+0x130/0x130
[  402.823660]  ? zap_class+0x640/0x640
[  402.827387]  ? zap_class+0x640/0x640
[  402.831119]  ? print_usage_bug+0xc0/0xc0
[  402.835187]  ? do_raw_spin_unlock+0xa7/0x330
[  402.839615]  ? zap_class+0x640/0x640
[  402.843349]  ? print_usage_bug+0xc0/0xc0
[  402.847416]  ? wq_watchdog_touch+0x9c/0xfe
[  402.851668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.857208]  ? check_preemption_disabled+0x48/0x280
[  402.862255]  ? __lock_is_held+0xb5/0x140
[  402.866326]  __alloc_pages_nodemask+0xa80/0xde0
[  402.870995]  ? zap_class+0x640/0x640
[  402.874720]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.879749]  ? find_held_lock+0x36/0x1c0
[  402.883879]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.888553]  ? lock_downgrade+0x900/0x900
[  402.892738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.898286]  cache_grow_begin+0xa5/0x8c0
[  402.902355]  ? do_raw_spin_unlock+0xa7/0x330
[  402.906887]  fallback_alloc+0x204/0x2e0
[  402.910885]  ____cache_alloc_node+0x1c7/0x1e0
[  402.915390]  kmem_cache_alloc_node+0xe3/0x730
[  402.919886]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.924150]  __alloc_skb+0x119/0x770
[  402.927867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.933166]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.937589]  ? lock_downgrade+0x900/0x900
[  402.941758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.947335]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.952796]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.958253]  ? addrconf_rs_timer+0x690/0x690
[  402.962680]  ndisc_alloc_skb+0x144/0x340
[  402.966747]  ndisc_send_rs+0x331/0x6e0
[  402.970658]  addrconf_rs_timer+0x314/0x690
[  402.974918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.979167]  call_timer_fn+0x272/0x920
[  402.983053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.987296]  ? process_timeout+0x40/0x40
[  402.991372]  ? mark_held_locks+0xc7/0x130
[  402.995526]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.000023]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.004558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.008813]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.013398]  ? trace_hardirqs_on+0xbd/0x310
[  403.017720]  ? kasan_check_read+0x11/0x20
[  403.021887]  ? __run_timers+0x7da/0xc70
[  403.025867]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.030996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.035238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.039477]  __run_timers+0x7e5/0xc70
[  403.043294]  ? timer_fixup_init+0x70/0x70
[  403.047450]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.052522]  ? zap_class+0x640/0x640
[  403.056242]  ? print_usage_bug+0xc0/0xc0
[  403.060319]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.065517]  ? find_held_lock+0x36/0x1c0
[  403.069588]  ? zap_class+0x640/0x640
[  403.073339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.078894]  ? check_preemption_disabled+0x48/0x280
[  403.083948]  ? __lock_is_held+0xb5/0x140
[  403.088013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.093552]  ? check_preemption_disabled+0x48/0x280
[  403.098581]  run_timer_softirq+0x52/0xb0
[  403.102650]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.107672]  __do_softirq+0x308/0xb7e
[  403.111491]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.116000]  ? lock_downgrade+0x900/0x900
[  403.120155]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.125275]  ? pvclock_read_flags+0x160/0x160
[  403.129789]  ? lapic_next_event+0x5a/0x90
[  403.133945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.139490]  ? kvm_clock_read+0x18/0x30
[  403.143468]  ? kvm_sched_clock_read+0x9/0x20
[  403.147892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.153431]  ? check_preemption_disabled+0x48/0x280
[  403.158473]  irq_exit+0x17f/0x1c0
[  403.161954]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.166815]  ? smp_reschedule_interrupt+0x109/0x650
[  403.171857]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.177751]  ? interrupt_entry+0xb5/0xc0
[  403.181819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.186835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.191856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.196728]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.201743]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.206760]  ? task_prio+0x50/0x50
[  403.210307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.215847]  ? check_preemption_disabled+0x48/0x280
[  403.220874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.225768]  apic_timer_interrupt+0xf/0x20
[  403.230035]  </IRQ>
[  403.232289] RIP: 0010:console_unlock+0x102f/0x1190
[  403.237222] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  403.256129] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  403.263852] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  403.271125] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  403.278392] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  403.285660] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  403.292963] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  403.300244]  ? netconsole_netdev_event+0x280/0x280
[  403.305223]  ? console_unlock+0x1026/0x1190
[  403.309566]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  403.314234]  ? vprintk_emit+0x846/0x990
[  403.318219]  ? lock_release+0xa00/0xa00
[  403.322200]  ? trace_hardirqs_on+0x20/0x310
[  403.326521]  ? vprintk_default+0x28/0x30
[  403.330587]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.335725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.341272]  vprintk_emit+0x391/0x990
[  403.345075]  ? wake_up_klogd+0x180/0x180
[  403.349146]  ? match_held_lock+0x8c1/0x8d0
[  403.353410]  ? mark_held_locks+0xc7/0x130
[  403.357588]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.362093]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.366598]  vprintk_default+0x28/0x30
[  403.370501]  vprintk_func+0x7e/0x181
[  403.374239]  printk+0xa7/0xcf
[  403.377349]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  403.382113]  ? _raw_spin_unlock_irq+0x60/0x80
[  403.386628]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  403.391917]  dump_header+0x7cc/0xf72
[  403.395650]  ? pagefault_out_of_memory+0x197/0x197
[  403.400595]  ? __lock_acquire+0x62f/0x4c20
[  403.404841]  ? percpu_ref_get_many+0x240/0x240
[  403.409431]  ? print_usage_bug+0xc0/0xc0
[  403.413531]  ? zap_class+0x640/0x640
[  403.417249]  ? print_usage_bug+0xc0/0xc0
[  403.421326]  ? zap_class+0x640/0x640
[  403.425046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.430594]  ? find_held_lock+0x36/0x1c0
[  403.434678]  ? mark_held_locks+0xc7/0x130
[  403.438835]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.443944]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.449053]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.453637]  ? trace_hardirqs_on+0xbd/0x310
[  403.457960]  ? kasan_check_read+0x11/0x20
[  403.462123]  ? ___ratelimit+0x3b4/0x672
[  403.466102]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.471217]  ? trace_hardirqs_on+0x310/0x310
[  403.475632]  ? lock_downgrade+0x900/0x900
[  403.479814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.484933]  ? ___ratelimit+0x3b9/0x672
[  403.488924]  ? idr_get_free+0xf70/0xf70
[  403.492898]  ? find_held_lock+0x36/0x1c0
[  403.496973]  oom_kill_process.cold.27+0x10/0x903
[  403.501742]  ? zap_class+0x640/0x640
[  403.505457]  ? check_preemption_disabled+0x48/0x280
[  403.510484]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.515420]  ? kasan_check_read+0x11/0x20
[  403.519574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.524865]  ? oom_evaluate_task+0x540/0x540
[  403.529284]  ? find_held_lock+0x36/0x1c0
[  403.533359]  ? out_of_memory+0x974/0x1430
[  403.537515]  ? lock_downgrade+0x900/0x900
[  403.541684]  ? check_preemption_disabled+0x48/0x280
[  403.546739]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.551675]  ? kasan_check_read+0x11/0x20
[  403.555827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.561134]  ? rcu_softirq_qs+0x20/0x20
[  403.565130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.570682]  ? oom_evaluate_task+0x302/0x540
[  403.575098]  out_of_memory+0xa84/0x1430
[  403.579086]  ? oom_killer_disable+0x3a0/0x3a0
[  403.583594]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  403.588537]  ? __ww_mutex_check_waiters+0x160/0x160
[  403.593567]  __alloc_pages_slowpath+0x2354/0x2e10
[  403.598456]  ? warn_alloc+0x120/0x120
[  403.602262]  ? mark_held_locks+0x130/0x130
[  403.606508]  ? find_get_entry+0xaae/0x1120
[  403.610755]  ? filemap_map_pages+0x1a20/0x1a20
[  403.615350]  ? zap_class+0x640/0x640
[  403.619193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.624734]  ? check_preemption_disabled+0x48/0x280
[  403.629752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.635292]  ? should_fail+0x22d/0xd01
[  403.639189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.644295]  ? zap_class+0x640/0x640
[  403.648048]  ? __lock_is_held+0xb5/0x140
[  403.652123]  ? mark_held_locks+0x130/0x130
[  403.656363]  ? lock_release+0xa00/0xa00
[  403.660339]  ? perf_trace_sched_process_exec+0x860/0x860
[  403.665799]  ? xa_load+0x2ba/0x460
[  403.669343]  ? lock_downgrade+0x900/0x900
[  403.673512]  ? __might_sleep+0x95/0x190
[  403.677522]  __alloc_pages_nodemask+0xa80/0xde0
[  403.682201]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.687221]  ? __page_cache_alloc+0x191/0x5c0
[  403.691717]  ? xa_load+0x2e1/0x460
[  403.695266]  ? xa_clear_mark+0x40/0x40
[  403.699162]  ? zap_class+0x640/0x640
[  403.702886]  ? zap_class+0x640/0x640
[  403.706599]  ? zap_class+0x640/0x640
[  403.710323]  ? __do_page_cache_readahead+0x663/0x810
[  403.715431]  ? find_held_lock+0x36/0x1c0
[  403.719500]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  403.725046]  alloc_pages_current+0x173/0x350
[  403.729478]  __page_cache_alloc+0x38c/0x5c0
[  403.733804]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.738737]  ? kasan_check_read+0x11/0x20
[  403.742891]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.748181]  ? generic_perform_write+0x6a0/0x6a0
[  403.752944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.758506]  ? check_preemption_disabled+0x48/0x280
[  403.763548]  filemap_fault+0x1595/0x25f0
[  403.767639]  ? __lock_page_or_retry+0xa00/0xa00
[  403.772312]  ? mark_held_locks+0x130/0x130
[  403.776565]  ? filemap_map_pages+0xd6b/0x1a20
[  403.781068]  ? lock_downgrade+0x900/0x900
[  403.785228]  ? check_preemption_disabled+0x48/0x280
[  403.790272]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.795213]  ? kasan_check_read+0x11/0x20
[  403.799360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.804641]  ? rcu_softirq_qs+0x20/0x20
[  403.808649]  ? filemap_map_pages+0xd92/0x1a20
[  403.813168]  ? find_get_entries_tag+0x1400/0x1400
[  403.818013]  ? debug_object_destroy+0x2b0/0x2b0
[  403.822680]  ? lock_pi_update_atomic+0x150/0x150
[  403.827452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.833007]  ? lock_acquire+0x1ed/0x520
[  403.836986]  ? ext4_filemap_fault+0x7a/0xad
[  403.841323]  ? lock_release+0xa00/0xa00
[  403.845300]  ? perf_trace_sched_process_exec+0x860/0x860
[  403.850775]  ? print_usage_bug+0xc0/0xc0
[  403.854840]  ? print_usage_bug+0xc0/0xc0
[  403.858916]  ? down_read+0x8d/0x120
[  403.862539]  ? ext4_filemap_fault+0x7a/0xad
[  403.866861]  ? __down_interruptible+0x700/0x700
[  403.871542]  ext4_filemap_fault+0x82/0xad
[  403.875697]  __do_fault+0x100/0x6b0
[  403.879333]  ? pmd_devmap_trans_unstable+0x220/0x220
[  403.884446]  ? mark_held_locks+0x130/0x130
[  403.888689]  ? mark_held_locks+0x130/0x130
[  403.892983]  ? debug_smp_processor_id+0x1c/0x20
[  403.897666]  ? perf_trace_lock+0x14d/0x7a0
[  403.901915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.907460]  __handle_mm_fault+0x3ea6/0x5be0
[  403.911901]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  403.916747]  ? lock_is_held_type+0x210/0x210
[  403.921164]  ? ksys_dup3+0x680/0x680
[  403.924911]  ? zap_class+0x640/0x640
[  403.928639]  ? zap_class+0x640/0x640
[  403.932357]  ? __x64_sys_futex+0x53e/0x6a0
[  403.936609]  ? find_held_lock+0x36/0x1c0
[  403.940684]  ? handle_mm_fault+0x42a/0xc70
[  403.944932]  ? lock_downgrade+0x900/0x900
[  403.949087]  ? check_preemption_disabled+0x48/0x280
[  403.954119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.959077]  ? kasan_check_read+0x11/0x20
[  403.963230]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.968508]  ? rcu_softirq_qs+0x20/0x20
[  403.972510]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.977625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.983172]  ? check_preemption_disabled+0x48/0x280
[  403.988202]  handle_mm_fault+0x54f/0xc70
[  403.992270]  ? __handle_mm_fault+0x5be0/0x5be0
[  403.996887]  ? find_vma+0x34/0x190
[  404.000434]  __do_page_fault+0x5e8/0xe60
[  404.004500]  ? trace_hardirqs_off+0xb8/0x310
[  404.008944]  do_page_fault+0xf2/0x7e0
[  404.012747]  ? vmalloc_sync_all+0x30/0x30
[  404.016901]  ? error_entry+0x70/0xd0
[  404.020650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.025668]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.030633]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.035568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.040420]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.045439]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.050900]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.055920]  ? page_fault+0x8/0x30
[  404.059471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.064320]  ? page_fault+0x8/0x30
[  404.067864]  page_fault+0x1e/0x30
[  404.071318] RIP: 0033:0x40f9c0
[  404.074524] Code: Bad RIP value.
[  404.077902] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  404.083265] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  404.090532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  404.097802] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  404.105070] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  404.112337] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  404.119645] warn_alloc_show_mem: 1 callbacks suppressed
[  404.119657] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  404.119659] Mem-Info:
[  404.119689] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  404.119689]  active_file:15 inactive_file:12 isolated_file:0
[  404.119689]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.119689]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  404.119689]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  404.119689]  free:13790 free_pcp:473 free_cma:0
[  404.125036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.131450] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.133854] Call Trace:
[  404.166893] 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
[  404.176251]  dump_stack+0x244/0x39d
[  404.203897] lowmem_reserve[]: 0 2818 6321 6321
[  404.206486]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.232573] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  404.236213]  warn_alloc.cold.116+0xb7/0x1bd
[  404.240760] lowmem_reserve[]: 0 0 3503 3503
[  404.245952]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.273442] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  404.277800]  ? lock_downgrade+0x900/0x900
[  404.282101] lowmem_reserve[]: 0 0 0 0
[  404.286956]  ? trace_hardirqs_off+0xb8/0x310
[  404.316081] 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
[  404.320248]  ? trace_hardirqs_off+0xb8/0x310
[  404.324021] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  404.328868]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.342372] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  404.346807]  ? warn_alloc+0x120/0x120
[  404.362120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.366958]  ? print_usage_bug+0xc0/0xc0
[  404.382286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.386107]  ? warn_alloc+0x120/0x120
[  404.394941] 2571 total pagecache pages
[  404.399017]  ? warn_alloc+0x120/0x120
[  404.407578] 0 pages in swap cache
[  404.411366]  ? print_usage_bug+0xc0/0xc0
[  404.415236] Swap cache stats: add 0, delete 0, find 0/0
[  404.419045]  ? print_usage_bug+0xc0/0xc0
[  404.422476] Free swap  = 0kB
[  404.426533]  ? __lock_acquire+0x62f/0x4c20
[  404.431883] Total swap = 0kB
[  404.436126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.439150] 1965979 pages RAM
[  404.443392]  ? should_fail+0x22d/0xd01
[  404.446419] 0 pages HighMem/MovableOnly
[  404.451956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.455053] 342855 pages reserved
[  404.458938]  ? __lock_acquire+0x62f/0x4c20
[  404.462890] 0 pages cma reserved
[  404.467991]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.471479] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.475646]  ? __lock_acquire+0x62f/0x4c20
[  404.475658]  ? should_fail+0x22d/0xd01
[  404.475684]  ? find_held_lock+0x36/0x1c0
[  404.475718]  ? mark_held_locks+0x130/0x130
[  404.479183] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.484162]  ? mark_held_locks+0x130/0x130
[  404.490654] syz-fuzzer cpuset=/ mems_allowed=0
[  404.494899]  ? zap_class+0x640/0x640
[  404.529756]  ? mark_held_locks+0xc7/0x130
[  404.533909]  ? do_raw_spin_unlock+0xa7/0x330
[  404.538329]  ? zap_class+0x640/0x640
[  404.542054]  ? print_usage_bug+0xc0/0xc0
[  404.546125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.551675]  ? check_preemption_disabled+0x48/0x280
[  404.556704]  ? __lock_is_held+0xb5/0x140
[  404.560806]  __alloc_pages_nodemask+0xa80/0xde0
[  404.565480]  ? zap_class+0x640/0x640
[  404.569202]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.574236]  ? find_held_lock+0x36/0x1c0
[  404.578314]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.582985]  ? lock_downgrade+0x900/0x900
[  404.587152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.592710]  cache_grow_begin+0xa5/0x8c0
[  404.596776]  ? do_raw_spin_unlock+0xa7/0x330
[  404.601195]  fallback_alloc+0x204/0x2e0
[  404.605184]  ____cache_alloc_node+0x1c7/0x1e0
[  404.609692]  kmem_cache_alloc_node+0xe3/0x730
[  404.614193]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.618441]  __alloc_skb+0x119/0x770
[  404.622156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.627449]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.631862]  ? lock_downgrade+0x900/0x900
[  404.636022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.641561]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.647048]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.652515]  ? addrconf_rs_timer+0x690/0x690
[  404.656944]  ndisc_alloc_skb+0x144/0x340
[  404.661015]  ndisc_send_rs+0x331/0x6e0
[  404.664914]  addrconf_rs_timer+0x314/0x690
[  404.669164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.673417]  call_timer_fn+0x272/0x920
[  404.677309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.681551]  ? process_timeout+0x40/0x40
[  404.685622]  ? __run_timers+0x7da/0xc70
[  404.689608]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.694113]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.698611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.702850]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.707439]  ? trace_hardirqs_on+0xbd/0x310
[  404.711761]  ? kasan_check_read+0x11/0x20
[  404.715908]  ? __run_timers+0x7da/0xc70
[  404.719888]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.725002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.729250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.733484]  __run_timers+0x7e5/0xc70
[  404.737301]  ? timer_fixup_init+0x70/0x70
[  404.741454]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.745950]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.750452]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.755038]  ? trace_hardirqs_on+0xbd/0x310
[  404.759359]  ? kasan_check_read+0x11/0x20
[  404.763516]  ? finish_task_switch+0x1f4/0x910
[  404.768025]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.773140]  ? compat_start_thread+0x80/0x80
[  404.777572]  ? pvclock_read_flags+0x160/0x160
[  404.782070]  ? __switch_to_asm+0x34/0x70
[  404.786141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.791681]  ? check_preemption_disabled+0x48/0x280
[  404.796710]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  404.802251]  ? rcu_pm_notify+0xc0/0xc0
[  404.806143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.811686]  ? check_preemption_disabled+0x48/0x280
[  404.816709]  run_timer_softirq+0x52/0xb0
[  404.820771]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.825789]  __do_softirq+0x308/0xb7e
[  404.829599]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.834533]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.839670]  ? schedule+0x108/0x460
[  404.843322]  ? trace_hardirqs_off+0xb8/0x310
[  404.847738]  ? smpboot_thread_fn+0x68b/0xa00
[  404.852197]  ? trace_hardirqs_on+0x310/0x310
[  404.856609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.862167]  ? check_preemption_disabled+0x48/0x280
[  404.867193]  ? takeover_tasklets+0xa90/0xa90
[  404.871615]  run_ksoftirqd+0x5e/0x100
[  404.875433]  smpboot_thread_fn+0x68b/0xa00
[  404.879674]  ? sort_range+0x30/0x30
[  404.883310]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.888414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.893956]  ? __kthread_parkme+0xfb/0x1a0
[  404.898211]  ? sort_range+0x30/0x30
[  404.901839]  kthread+0x35a/0x440
[  404.905209]  ? kthread_stop+0x900/0x900
[  404.909189]  ret_from_fork+0x3a/0x50
[  404.912948] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  404.913047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.919561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.919566] Call Trace:
[  404.919573]  <IRQ>
[  404.919591]  dump_stack+0x244/0x39d
[  404.919630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.926191] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.935471]  warn_alloc.cold.116+0xb7/0x1bd
[  404.938024] ksoftirqd/0 cpuset=/ mems_allowed=0
[  404.940174]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.973080]  ? lock_downgrade+0x900/0x900
[  404.977253]  ? trace_hardirqs_off+0xb8/0x310
[  404.981681]  ? trace_hardirqs_off+0xb8/0x310
[  404.986111]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.990991]  ? warn_alloc+0x120/0x120
[  404.994801]  ? warn_alloc+0x120/0x120
[  404.998617]  ? warn_alloc+0x120/0x120
[  405.002425]  ? print_usage_bug+0xc0/0xc0
[  405.006490]  ? warn_alloc+0x120/0x120
[  405.010311]  ? print_usage_bug+0xc0/0xc0
[  405.014385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.019929]  ? should_fail+0x22d/0xd01
[  405.023825]  ? __lock_acquire+0x62f/0x4c20
[  405.028081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.033202]  ? __lock_acquire+0x62f/0x4c20
[  405.037451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.042567]  ? __lock_acquire+0x62f/0x4c20
[  405.046815]  ? should_fail+0x22d/0xd01
[  405.050717]  ? mark_held_locks+0x130/0x130
[  405.054963]  ? mark_held_locks+0x130/0x130
[  405.059210]  ? mark_held_locks+0x130/0x130
[  405.063453]  ? zap_class+0x640/0x640
[  405.067169]  ? print_usage_bug+0xc0/0xc0
[  405.071229]  ? mark_held_locks+0x130/0x130
[  405.075493]  ? print_usage_bug+0xc0/0xc0
[  405.079569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.085123]  ? check_preemption_disabled+0x48/0x280
[  405.090153]  ? __lock_is_held+0xb5/0x140
[  405.094252]  __alloc_pages_nodemask+0xa80/0xde0
[  405.098926]  ? zap_class+0x640/0x640
[  405.102652]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.107714]  ? find_held_lock+0x36/0x1c0
[  405.111792]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.116487]  ? lock_downgrade+0x900/0x900
[  405.120649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.126208]  cache_grow_begin+0xa5/0x8c0
[  405.130272]  ? do_raw_spin_unlock+0xa7/0x330
[  405.134705]  fallback_alloc+0x204/0x2e0
[  405.138686]  ____cache_alloc_node+0x1c7/0x1e0
[  405.143197]  kmem_cache_alloc_node+0xe3/0x730
[  405.147701]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.151966]  __alloc_skb+0x119/0x770
[  405.155685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.160970]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.165380]  ? lock_downgrade+0x900/0x900
[  405.169539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.175081]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.180551]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.186020]  ? addrconf_rs_timer+0x690/0x690
[  405.190457]  ndisc_alloc_skb+0x144/0x340
[  405.194538]  ndisc_send_rs+0x331/0x6e0
[  405.198438]  addrconf_rs_timer+0x314/0x690
[  405.202688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.206957]  call_timer_fn+0x272/0x920
[  405.210849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.215085]  ? process_timeout+0x40/0x40
[  405.219184]  ? mark_held_locks+0xc7/0x130
[  405.223342]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.227843]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.232341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.236579]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.241169]  ? trace_hardirqs_on+0xbd/0x310
[  405.245492]  ? kasan_check_read+0x11/0x20
[  405.249641]  ? __run_timers+0x7da/0xc70
[  405.253624]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.258743]  ? tcp_compressed_ack_kick+0x220/0x220
[  405.263693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.267967]  __run_timers+0x7e5/0xc70
[  405.271797]  ? timer_fixup_init+0x70/0x70
[  405.275955]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.280975]  ? zap_class+0x640/0x640
[  405.284702]  ? print_usage_bug+0xc0/0xc0
[  405.288770]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.293995]  ? find_held_lock+0x36/0x1c0
[  405.298066]  ? zap_class+0x640/0x640
[  405.301797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.307350]  ? check_preemption_disabled+0x48/0x280
[  405.312402]  ? __lock_is_held+0xb5/0x140
[  405.316464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.322006]  ? check_preemption_disabled+0x48/0x280
[  405.327031]  run_timer_softirq+0x52/0xb0
[  405.331098]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.336127]  __do_softirq+0x308/0xb7e
[  405.339960]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.344460]  ? lock_downgrade+0x900/0x900
[  405.348627]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.353746]  ? pvclock_read_flags+0x160/0x160
[  405.358248]  ? lapic_next_event+0x5a/0x90
[  405.362410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.367957]  ? kvm_clock_read+0x18/0x30
[  405.371938]  ? kvm_sched_clock_read+0x9/0x20
[  405.376357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.381897]  ? check_preemption_disabled+0x48/0x280
[  405.386928]  irq_exit+0x17f/0x1c0
[  405.390383]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.395226]  ? smp_reschedule_interrupt+0x109/0x650
[  405.400244]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.406156]  ? interrupt_entry+0xb5/0xc0
[  405.410228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.415248]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.420270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.425114]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.430138]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.435158]  ? task_prio+0x50/0x50
[  405.438708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.444247]  ? check_preemption_disabled+0x48/0x280
[  405.449274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.454129]  apic_timer_interrupt+0xf/0x20
[  405.458362]  </IRQ>
[  405.460608] RIP: 0010:console_unlock+0x102f/0x1190
[  405.465545] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  405.484447] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  405.492159] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  405.499430] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  405.506698] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  405.513966] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  405.521239] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  405.528556]  ? netconsole_netdev_event+0x280/0x280
[  405.533501]  ? console_unlock+0x1026/0x1190
[  405.537849]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  405.542517]  ? vprintk_emit+0x846/0x990
[  405.546498]  ? lock_release+0xa00/0xa00
[  405.550477]  ? trace_hardirqs_on+0x20/0x310
[  405.554800]  ? vprintk_default+0x28/0x30
[  405.558864]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.563977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.569529]  vprintk_emit+0x391/0x990
[  405.573337]  ? wake_up_klogd+0x180/0x180
[  405.577407]  ? match_held_lock+0x8c1/0x8d0
[  405.581664]  ? mark_held_locks+0xc7/0x130
[  405.585814]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.590319]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.594825]  vprintk_default+0x28/0x30
[  405.598729]  vprintk_func+0x7e/0x181
[  405.602459]  printk+0xa7/0xcf
[  405.605567]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  405.610348]  ? _raw_spin_unlock_irq+0x60/0x80
[  405.614862]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  405.620151]  dump_header+0x7cc/0xf72
[  405.623883]  ? pagefault_out_of_memory+0x197/0x197
[  405.628826]  ? __lock_acquire+0x62f/0x4c20
[  405.633070]  ? percpu_ref_get_many+0x240/0x240
[  405.637662]  ? print_usage_bug+0xc0/0xc0
[  405.641734]  ? zap_class+0x640/0x640
[  405.645466]  ? print_usage_bug+0xc0/0xc0
[  405.649536]  ? zap_class+0x640/0x640
[  405.653272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.658843]  ? find_held_lock+0x36/0x1c0
[  405.662916]  ? mark_held_locks+0xc7/0x130
[  405.667070]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.672177]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.677288]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.681874]  ? trace_hardirqs_on+0xbd/0x310
[  405.686198]  ? kasan_check_read+0x11/0x20
[  405.690378]  ? ___ratelimit+0x3b4/0x672
[  405.694358]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.699472]  ? trace_hardirqs_on+0x310/0x310
[  405.703905]  ? lock_downgrade+0x900/0x900
[  405.708061]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.713164]  ? ___ratelimit+0x3b9/0x672
[  405.717152]  ? idr_get_free+0xf70/0xf70
[  405.721125]  ? find_held_lock+0x36/0x1c0
[  405.725213]  oom_kill_process.cold.27+0x10/0x903
[  405.729968]  ? zap_class+0x640/0x640
[  405.733685]  ? check_preemption_disabled+0x48/0x280
[  405.738717]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.743645]  ? kasan_check_read+0x11/0x20
[  405.747796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.753077]  ? oom_evaluate_task+0x540/0x540
[  405.757494]  ? find_held_lock+0x36/0x1c0
[  405.761577]  ? out_of_memory+0x974/0x1430
[  405.765735]  ? lock_downgrade+0x900/0x900
[  405.769927]  ? check_preemption_disabled+0x48/0x280
[  405.774988]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.779932]  ? kasan_check_read+0x11/0x20
[  405.784096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.789384]  ? rcu_softirq_qs+0x20/0x20
[  405.793367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.798911]  ? oom_evaluate_task+0x302/0x540
[  405.803326]  out_of_memory+0xa84/0x1430
[  405.807312]  ? oom_killer_disable+0x3a0/0x3a0
[  405.811809]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  405.816743]  ? __ww_mutex_check_waiters+0x160/0x160
[  405.821784]  __alloc_pages_slowpath+0x2354/0x2e10
[  405.826678]  ? warn_alloc+0x120/0x120
[  405.830478]  ? mark_held_locks+0x130/0x130
[  405.834719]  ? find_get_entry+0xaae/0x1120
[  405.838963]  ? filemap_map_pages+0x1a20/0x1a20
[  405.843551]  ? zap_class+0x640/0x640
[  405.847271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.852809]  ? check_preemption_disabled+0x48/0x280
[  405.857838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.863376]  ? should_fail+0x22d/0xd01
[  405.867277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.872399]  ? zap_class+0x640/0x640
[  405.876154]  ? __lock_is_held+0xb5/0x140
[  405.880231]  ? mark_held_locks+0x130/0x130
[  405.884506]  ? lock_release+0xa00/0xa00
[  405.888506]  ? perf_trace_sched_process_exec+0x860/0x860
[  405.893955]  ? xa_load+0x2ba/0x460
[  405.897498]  ? lock_downgrade+0x900/0x900
[  405.901656]  ? __might_sleep+0x95/0x190
[  405.905686]  __alloc_pages_nodemask+0xa80/0xde0
[  405.910366]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.915386]  ? __page_cache_alloc+0x191/0x5c0
[  405.919882]  ? xa_load+0x2e1/0x460
[  405.923425]  ? xa_clear_mark+0x40/0x40
[  405.927322]  ? zap_class+0x640/0x640
[  405.931047]  ? zap_class+0x640/0x640
[  405.934762]  ? zap_class+0x640/0x640
[  405.938491]  ? __do_page_cache_readahead+0x663/0x810
[  405.943624]  ? find_held_lock+0x36/0x1c0
[  405.947694]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  405.953243]  alloc_pages_current+0x173/0x350
[  405.957661]  __page_cache_alloc+0x38c/0x5c0
[  405.961996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.966937]  ? kasan_check_read+0x11/0x20
[  405.971097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.976388]  ? generic_perform_write+0x6a0/0x6a0
[  405.981151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.986714]  ? check_preemption_disabled+0x48/0x280
[  405.991753]  filemap_fault+0x1595/0x25f0
[  405.995832]  ? __lock_page_or_retry+0xa00/0xa00
[  406.000507]  ? mark_held_locks+0x130/0x130
[  406.004755]  ? filemap_map_pages+0xd6b/0x1a20
[  406.009258]  ? lock_downgrade+0x900/0x900
[  406.013409]  ? check_preemption_disabled+0x48/0x280
[  406.018436]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.023368]  ? kasan_check_read+0x11/0x20
[  406.027518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.032797]  ? rcu_softirq_qs+0x20/0x20
[  406.036788]  ? filemap_map_pages+0xd92/0x1a20
[  406.041301]  ? find_get_entries_tag+0x1400/0x1400
[  406.046148]  ? debug_object_destroy+0x2b0/0x2b0
[  406.050824]  ? lock_pi_update_atomic+0x150/0x150
[  406.055583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.061139]  ? lock_acquire+0x1ed/0x520
[  406.065116]  ? ext4_filemap_fault+0x7a/0xad
[  406.069453]  ? lock_release+0xa00/0xa00
[  406.073428]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.078883]  ? print_usage_bug+0xc0/0xc0
[  406.082950]  ? print_usage_bug+0xc0/0xc0
[  406.087025]  ? down_read+0x8d/0x120
[  406.090653]  ? ext4_filemap_fault+0x7a/0xad
[  406.094978]  ? __down_interruptible+0x700/0x700
[  406.099681]  ext4_filemap_fault+0x82/0xad
[  406.103835]  __do_fault+0x100/0x6b0
[  406.107472]  ? pmd_devmap_trans_unstable+0x220/0x220
[  406.112584]  ? mark_held_locks+0x130/0x130
[  406.116829]  ? mark_held_locks+0x130/0x130
[  406.121070]  ? debug_smp_processor_id+0x1c/0x20
[  406.125740]  ? perf_trace_lock+0x14d/0x7a0
[  406.129993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.135542]  __handle_mm_fault+0x3ea6/0x5be0
[  406.139972]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  406.144822]  ? lock_is_held_type+0x210/0x210
[  406.149261]  ? ksys_dup3+0x680/0x680
[  406.152993]  ? zap_class+0x640/0x640
[  406.156706]  ? zap_class+0x640/0x640
[  406.160424]  ? __x64_sys_futex+0x53e/0x6a0
[  406.164666]  ? find_held_lock+0x36/0x1c0
[  406.168743]  ? handle_mm_fault+0x42a/0xc70
[  406.172978]  ? lock_downgrade+0x900/0x900
[  406.177130]  ? check_preemption_disabled+0x48/0x280
[  406.182188]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.187123]  ? kasan_check_read+0x11/0x20
[  406.191273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.196549]  ? rcu_softirq_qs+0x20/0x20
[  406.200524]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.205659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.211225]  ? check_preemption_disabled+0x48/0x280
[  406.216272]  handle_mm_fault+0x54f/0xc70
[  406.220341]  ? __handle_mm_fault+0x5be0/0x5be0
[  406.224943]  ? find_vma+0x34/0x190
[  406.228495]  __do_page_fault+0x5e8/0xe60
[  406.232586]  ? trace_hardirqs_off+0xb8/0x310
[  406.237016]  do_page_fault+0xf2/0x7e0
[  406.240824]  ? vmalloc_sync_all+0x30/0x30
[  406.244973]  ? error_entry+0x70/0xd0
[  406.248692]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.253712]  ? trace_hardirqs_on_caller+0xc0/0x310
[  406.258642]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.263575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.268428]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.273447]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.278903]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.283950]  ? page_fault+0x8/0x30
[  406.287498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.292348]  ? page_fault+0x8/0x30
[  406.295893]  page_fault+0x1e/0x30
[  406.299347] RIP: 0033:0x40f9c0
[  406.302551] Code: Bad RIP value.
[  406.305931] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  406.311294] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  406.318562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  406.325832] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  406.333423] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  406.340690] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  406.347981] warn_alloc_show_mem: 1 callbacks suppressed
[  406.347992] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  406.347994] Mem-Info:
[  406.348026] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  406.348026]  active_file:15 inactive_file:12 isolated_file:0
[  406.348026]  unevictable:0 dirty:0 writeback:0 unstable:0
[  406.348026]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  406.348026]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  406.348026]  free:13790 free_pcp:473 free_cma:0
[  406.353368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.359784] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  406.362182] Call Trace:
[  406.395222] 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
[  406.404597]  dump_stack+0x244/0x39d
[  406.432258] lowmem_reserve[]: 0 2818 6321 6321
[  406.434844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.461446] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  406.465085]  warn_alloc.cold.116+0xb7/0x1bd
[  406.469639] lowmem_reserve[]: 0 0 3503 3503
[  406.474824]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.502299] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  406.506626]  ? lock_downgrade+0x900/0x900
[  406.510923] lowmem_reserve[]: 0 0 0 0
[  406.515779]  ? trace_hardirqs_off+0xb8/0x310
[  406.544914] 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
[  406.549084]  ? trace_hardirqs_off+0xb8/0x310
[  406.552862] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  406.557271]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.570776] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  406.575229]  ? warn_alloc+0x120/0x120
[  406.590537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.595370]  ? print_usage_bug+0xc0/0xc0
[  406.610706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.614499]  ? warn_alloc+0x120/0x120
[  406.623311] 2571 total pagecache pages
[  406.627373]  ? warn_alloc+0x120/0x120
[  406.635932] 0 pages in swap cache
[  406.639734]  ? print_usage_bug+0xc0/0xc0
[  406.643610] Swap cache stats: add 0, delete 0, find 0/0
[  406.647397]  ? print_usage_bug+0xc0/0xc0
[  406.650828] Free swap  = 0kB
[  406.654884]  ? __lock_acquire+0x62f/0x4c20
[  406.660225] Total swap = 0kB
[  406.664284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.667286] 1965979 pages RAM
[  406.671513]  ? should_fail+0x22d/0xd01
[  406.674511] 0 pages HighMem/MovableOnly
[  406.680043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.683131] 342855 pages reserved
[  406.687014]  ? __lock_acquire+0x62f/0x4c20
[  406.690967] 0 pages cma reserved
[  406.696068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.699563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.703742]  ? __lock_acquire+0x62f/0x4c20
[  406.703770]  ? should_fail+0x22d/0xd01
[  406.707209] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.712220]  ? find_held_lock+0x36/0x1c0
[  406.718690] syz-fuzzer cpuset=/ mems_allowed=0
[  406.722929]  ? mark_held_locks+0x130/0x130
[  406.749859]  ? mark_held_locks+0x130/0x130
[  406.754092]  ? zap_class+0x640/0x640
[  406.757819]  ? mark_held_locks+0xc7/0x130
[  406.761965]  ? do_raw_spin_unlock+0xa7/0x330
[  406.766375]  ? zap_class+0x640/0x640
[  406.770094]  ? print_usage_bug+0xc0/0xc0
[  406.774166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.779729]  ? check_preemption_disabled+0x48/0x280
[  406.784756]  ? __lock_is_held+0xb5/0x140
[  406.788827]  __alloc_pages_nodemask+0xa80/0xde0
[  406.793522]  ? zap_class+0x640/0x640
[  406.797243]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.802277]  ? find_held_lock+0x36/0x1c0
[  406.806348]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.811019]  ? lock_downgrade+0x900/0x900
[  406.815179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.820725]  cache_grow_begin+0xa5/0x8c0
[  406.824805]  ? do_raw_spin_unlock+0xa7/0x330
[  406.829228]  fallback_alloc+0x204/0x2e0
[  406.833215]  ____cache_alloc_node+0x1c7/0x1e0
[  406.837720]  kmem_cache_alloc_node+0xe3/0x730
[  406.842239]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.846493]  __alloc_skb+0x119/0x770
[  406.850209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.855496]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.859908]  ? lock_downgrade+0x900/0x900
[  406.864064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.869615]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.875072]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.880532]  ? addrconf_rs_timer+0x690/0x690
[  406.884993]  ndisc_alloc_skb+0x144/0x340
[  406.889062]  ndisc_send_rs+0x331/0x6e0
[  406.892960]  addrconf_rs_timer+0x314/0x690
[  406.897201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.901449]  call_timer_fn+0x272/0x920
[  406.905334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.909567]  ? process_timeout+0x40/0x40
[  406.913664]  ? __run_timers+0x7da/0xc70
[  406.917654]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.922154]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.926652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.930891]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.935477]  ? trace_hardirqs_on+0xbd/0x310
[  406.939833]  ? kasan_check_read+0x11/0x20
[  406.943988]  ? __run_timers+0x7da/0xc70
[  406.947964]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.953073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.957321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.961553]  __run_timers+0x7e5/0xc70
[  406.965366]  ? timer_fixup_init+0x70/0x70
[  406.969516]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.974025]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.978527]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.983131]  ? trace_hardirqs_on+0xbd/0x310
[  406.987455]  ? kasan_check_read+0x11/0x20
[  406.991629]  ? finish_task_switch+0x1f4/0x910
[  406.996146]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.001252]  ? compat_start_thread+0x80/0x80
[  407.005702]  ? pvclock_read_flags+0x160/0x160
[  407.010204]  ? __switch_to_asm+0x34/0x70
[  407.014285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.019828]  ? check_preemption_disabled+0x48/0x280
[  407.024877]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.030417]  ? rcu_pm_notify+0xc0/0xc0
[  407.034322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.039860]  ? check_preemption_disabled+0x48/0x280
[  407.044886]  run_timer_softirq+0x52/0xb0
[  407.048952]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.053970]  __do_softirq+0x308/0xb7e
[  407.057780]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.062715]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.067824]  ? schedule+0x108/0x460
[  407.071462]  ? trace_hardirqs_off+0xb8/0x310
[  407.075872]  ? smpboot_thread_fn+0x68b/0xa00
[  407.080287]  ? trace_hardirqs_on+0x310/0x310
[  407.084701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.090242]  ? check_preemption_disabled+0x48/0x280
[  407.095261]  ? takeover_tasklets+0xa90/0xa90
[  407.099674]  run_ksoftirqd+0x5e/0x100
[  407.103476]  smpboot_thread_fn+0x68b/0xa00
[  407.107730]  ? sort_range+0x30/0x30
[  407.111358]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.116467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.122007]  ? __kthread_parkme+0xfb/0x1a0
[  407.126245]  ? sort_range+0x30/0x30
[  407.129876]  kthread+0x35a/0x440
[  407.133250]  ? kthread_stop+0x900/0x900
[  407.137234]  ret_from_fork+0x3a/0x50
[  407.140970] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  407.141044] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.147556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.147562] Call Trace:
[  407.147568]  <IRQ>
[  407.147587]  dump_stack+0x244/0x39d
[  407.147614]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.154151] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.163447]  warn_alloc.cold.116+0xb7/0x1bd
[  407.166000] ksoftirqd/0 cpuset=/ mems_allowed=0
[  407.168181]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.201061]  ? lock_downgrade+0x900/0x900
[  407.205229]  ? trace_hardirqs_off+0xb8/0x310
[  407.209647]  ? trace_hardirqs_off+0xb8/0x310
[  407.214070]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.218957]  ? warn_alloc+0x120/0x120
[  407.222765]  ? print_usage_bug+0xc0/0xc0
[  407.226830]  ? warn_alloc+0x120/0x120
[  407.230641]  ? warn_alloc+0x120/0x120
[  407.234458]  ? print_usage_bug+0xc0/0xc0
[  407.238525]  ? kvm_clock_read+0x18/0x30
[  407.242502]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.247531]  ? print_usage_bug+0xc0/0xc0
[  407.251611]  ? __lock_acquire+0x62f/0x4c20
[  407.255864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.261399]  ? should_fail+0x22d/0xd01
[  407.265285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.270569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.275683]  ? __lock_acquire+0x62f/0x4c20
[  407.279936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.285054]  ? __lock_acquire+0x62f/0x4c20
[  407.289340]  ? should_fail+0x22d/0xd01
[  407.293229]  ? rcu_irq_exit+0x1a2/0x390
[  407.297239]  ? mark_held_locks+0x130/0x130
[  407.301485]  ? mark_held_locks+0x130/0x130
[  407.305732]  ? mark_held_locks+0xc7/0x130
[  407.309880]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  407.314913]  ? zap_class+0x640/0x640
[  407.318646]  ? print_usage_bug+0xc0/0xc0
[  407.322725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.328274]  ? check_preemption_disabled+0x48/0x280
[  407.333305]  ? __lock_is_held+0xb5/0x140
[  407.337378]  __alloc_pages_nodemask+0xa80/0xde0
[  407.342052]  ? zap_class+0x640/0x640
[  407.345778]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.350813]  ? find_held_lock+0x36/0x1c0
[  407.354890]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.359564]  ? lock_downgrade+0x900/0x900
[  407.363753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.369299]  cache_grow_begin+0xa5/0x8c0
[  407.373371]  ? do_raw_spin_unlock+0xa7/0x330
[  407.377795]  fallback_alloc+0x204/0x2e0
[  407.381780]  ____cache_alloc_node+0x1c7/0x1e0
[  407.386286]  kmem_cache_alloc_node+0xe3/0x730
[  407.390797]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.395060]  __alloc_skb+0x119/0x770
[  407.398780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.404075]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.408492]  ? lock_downgrade+0x900/0x900
[  407.412662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.418213]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.423685]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.429165]  ? addrconf_rs_timer+0x690/0x690
[  407.433609]  ndisc_alloc_skb+0x144/0x340
[  407.437677]  ndisc_send_rs+0x331/0x6e0
[  407.441585]  addrconf_rs_timer+0x314/0x690
[  407.445844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.450095]  call_timer_fn+0x272/0x920
[  407.453984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.458231]  ? process_timeout+0x40/0x40
[  407.462306]  ? mark_held_locks+0xc7/0x130
[  407.466463]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.470960]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.475457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.479698]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.484283]  ? trace_hardirqs_on+0xbd/0x310
[  407.488643]  ? kasan_check_read+0x11/0x20
[  407.492797]  ? __run_timers+0x7da/0xc70
[  407.496780]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.501891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.506132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.510370]  __run_timers+0x7e5/0xc70
[  407.514188]  ? timer_fixup_init+0x70/0x70
[  407.518363]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.523387]  ? zap_class+0x640/0x640
[  407.527113]  ? print_usage_bug+0xc0/0xc0
[  407.531181]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.536390]  ? find_held_lock+0x36/0x1c0
[  407.540463]  ? zap_class+0x640/0x640
[  407.544186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.549741]  ? check_preemption_disabled+0x48/0x280
[  407.554783]  ? __lock_is_held+0xb5/0x140
[  407.558850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.564396]  ? check_preemption_disabled+0x48/0x280
[  407.569423]  run_timer_softirq+0x52/0xb0
[  407.573488]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.578514]  __do_softirq+0x308/0xb7e
[  407.582321]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.586821]  ? lock_downgrade+0x900/0x900
[  407.591002]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.596131]  ? pvclock_read_flags+0x160/0x160
[  407.600641]  ? lapic_next_event+0x5a/0x90
[  407.604793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.610341]  ? kvm_clock_read+0x18/0x30
[  407.614317]  ? kvm_sched_clock_read+0x9/0x20
[  407.618732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.624272]  ? check_preemption_disabled+0x48/0x280
[  407.629301]  irq_exit+0x17f/0x1c0
[  407.632770]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.637659]  ? smp_reschedule_interrupt+0x109/0x650
[  407.642677]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.648594]  ? interrupt_entry+0xb5/0xc0
[  407.652677]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.657710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.662729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.667573]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.672596]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.677634]  ? task_prio+0x50/0x50
[  407.681197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.686739]  ? check_preemption_disabled+0x48/0x280
[  407.691761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.696635]  apic_timer_interrupt+0xf/0x20
[  407.700868]  </IRQ>
[  407.703121] RIP: 0010:console_unlock+0x102f/0x1190
[  407.708073] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  407.726979] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  407.734692] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  407.741961] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  407.749234] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  407.756502] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  407.763769] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  407.771049]  ? netconsole_netdev_event+0x280/0x280
[  407.775997]  ? console_unlock+0x1026/0x1190
[  407.780353]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  407.785021]  ? vprintk_emit+0x846/0x990
[  407.788999]  ? lock_release+0xa00/0xa00
[  407.792991]  ? trace_hardirqs_on+0x20/0x310
[  407.797318]  ? vprintk_default+0x28/0x30
[  407.801386]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.806500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.812067]  vprintk_emit+0x391/0x990
[  407.815877]  ? wake_up_klogd+0x180/0x180
[  407.819974]  ? match_held_lock+0x8c1/0x8d0
[  407.824222]  ? mark_held_locks+0xc7/0x130
[  407.828382]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.832878]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.837416]  vprintk_default+0x28/0x30
[  407.841310]  vprintk_func+0x7e/0x181
[  407.845030]  printk+0xa7/0xcf
[  407.848161]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  407.852948]  ? _raw_spin_unlock_irq+0x60/0x80
[  407.857459]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  407.862748]  dump_header+0x7cc/0xf72
[  407.866500]  ? pagefault_out_of_memory+0x197/0x197
[  407.871444]  ? __lock_acquire+0x62f/0x4c20
[  407.875697]  ? percpu_ref_get_many+0x240/0x240
[  407.880288]  ? print_usage_bug+0xc0/0xc0
[  407.884361]  ? zap_class+0x640/0x640
[  407.888081]  ? print_usage_bug+0xc0/0xc0
[  407.892170]  ? zap_class+0x640/0x640
[  407.895897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.901455]  ? find_held_lock+0x36/0x1c0
[  407.905529]  ? mark_held_locks+0xc7/0x130
[  407.909686]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  407.914815]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  407.919938]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.924548]  ? trace_hardirqs_on+0xbd/0x310
[  407.928874]  ? kasan_check_read+0x11/0x20
[  407.933024]  ? ___ratelimit+0x3b4/0x672
[  407.937003]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.942110]  ? trace_hardirqs_on+0x310/0x310
[  407.946524]  ? lock_downgrade+0x900/0x900
[  407.950687]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.955826]  ? ___ratelimit+0x3b9/0x672
[  407.959824]  ? idr_get_free+0xf70/0xf70
[  407.963801]  ? find_held_lock+0x36/0x1c0
[  407.967878]  oom_kill_process.cold.27+0x10/0x903
[  407.972657]  ? zap_class+0x640/0x640
[  407.976385]  ? check_preemption_disabled+0x48/0x280
[  407.981411]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.986346]  ? kasan_check_read+0x11/0x20
[  407.990497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.995779]  ? oom_evaluate_task+0x540/0x540
[  408.000217]  ? find_held_lock+0x36/0x1c0
[  408.004295]  ? out_of_memory+0x974/0x1430
[  408.008446]  ? lock_downgrade+0x900/0x900
[  408.012605]  ? check_preemption_disabled+0x48/0x280
[  408.017631]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.022566]  ? kasan_check_read+0x11/0x20
[  408.026731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.032020]  ? rcu_softirq_qs+0x20/0x20
[  408.036026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.041564]  ? oom_evaluate_task+0x302/0x540
[  408.045984]  out_of_memory+0xa84/0x1430
[  408.049970]  ? oom_killer_disable+0x3a0/0x3a0
[  408.054469]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  408.059405]  ? __ww_mutex_check_waiters+0x160/0x160
[  408.064439]  __alloc_pages_slowpath+0x2354/0x2e10
[  408.069318]  ? warn_alloc+0x120/0x120
[  408.073126]  ? mark_held_locks+0x130/0x130
[  408.077383]  ? find_get_entry+0xaae/0x1120
[  408.081650]  ? filemap_map_pages+0x1a20/0x1a20
[  408.086242]  ? zap_class+0x640/0x640
[  408.089970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.095515]  ? check_preemption_disabled+0x48/0x280
[  408.100537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.106080]  ? should_fail+0x22d/0xd01
[  408.109978]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.115087]  ? zap_class+0x640/0x640
[  408.118832]  ? __lock_is_held+0xb5/0x140
[  408.122916]  ? mark_held_locks+0x130/0x130
[  408.127189]  ? lock_release+0xa00/0xa00
[  408.131167]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.136622]  ? xa_load+0x2ba/0x460
[  408.140170]  ? lock_downgrade+0x900/0x900
[  408.144325]  ? __might_sleep+0x95/0x190
[  408.148307]  __alloc_pages_nodemask+0xa80/0xde0
[  408.152995]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.158027]  ? __page_cache_alloc+0x191/0x5c0
[  408.162529]  ? xa_load+0x2e1/0x460
[  408.166073]  ? xa_clear_mark+0x40/0x40
[  408.169967]  ? zap_class+0x640/0x640
[  408.173696]  ? zap_class+0x640/0x640
[  408.177411]  ? zap_class+0x640/0x640
[  408.181126]  ? __do_page_cache_readahead+0x663/0x810
[  408.186239]  ? find_held_lock+0x36/0x1c0
[  408.190314]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  408.195865]  alloc_pages_current+0x173/0x350
[  408.200319]  __page_cache_alloc+0x38c/0x5c0
[  408.204645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.209595]  ? kasan_check_read+0x11/0x20
[  408.213764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.219046]  ? generic_perform_write+0x6a0/0x6a0
[  408.223819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.229373]  ? check_preemption_disabled+0x48/0x280
[  408.234403]  filemap_fault+0x1595/0x25f0
[  408.238489]  ? __lock_page_or_retry+0xa00/0xa00
[  408.243165]  ? mark_held_locks+0x130/0x130
[  408.247410]  ? filemap_map_pages+0xd6b/0x1a20
[  408.251921]  ? lock_downgrade+0x900/0x900
[  408.256073]  ? check_preemption_disabled+0x48/0x280
[  408.261102]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.266057]  ? kasan_check_read+0x11/0x20
[  408.270209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.275490]  ? rcu_softirq_qs+0x20/0x20
[  408.279495]  ? filemap_map_pages+0xd92/0x1a20
[  408.284039]  ? find_get_entries_tag+0x1400/0x1400
[  408.288886]  ? debug_object_destroy+0x2b0/0x2b0
[  408.293568]  ? lock_pi_update_atomic+0x150/0x150
[  408.298331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.303885]  ? lock_acquire+0x1ed/0x520
[  408.307860]  ? ext4_filemap_fault+0x7a/0xad
[  408.312191]  ? lock_release+0xa00/0xa00
[  408.316167]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.321636]  ? print_usage_bug+0xc0/0xc0
[  408.325702]  ? print_usage_bug+0xc0/0xc0
[  408.329968]  ? down_read+0x8d/0x120
[  408.333599]  ? ext4_filemap_fault+0x7a/0xad
[  408.337930]  ? __down_interruptible+0x700/0x700
[  408.342644]  ext4_filemap_fault+0x82/0xad
[  408.346793]  __do_fault+0x100/0x6b0
[  408.350424]  ? pmd_devmap_trans_unstable+0x220/0x220
[  408.355543]  ? mark_held_locks+0x130/0x130
[  408.359781]  ? mark_held_locks+0x130/0x130
[  408.364034]  ? debug_smp_processor_id+0x1c/0x20
[  408.368723]  ? perf_trace_lock+0x14d/0x7a0
[  408.372972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.378520]  __handle_mm_fault+0x3ea6/0x5be0
[  408.382945]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  408.387803]  ? lock_is_held_type+0x210/0x210
[  408.392225]  ? ksys_dup3+0x680/0x680
[  408.395957]  ? zap_class+0x640/0x640
[  408.399673]  ? zap_class+0x640/0x640
[  408.403387]  ? __x64_sys_futex+0x53e/0x6a0
[  408.407632]  ? find_held_lock+0x36/0x1c0
[  408.411710]  ? handle_mm_fault+0x42a/0xc70
[  408.415950]  ? lock_downgrade+0x900/0x900
[  408.420110]  ? check_preemption_disabled+0x48/0x280
[  408.425137]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.430071]  ? kasan_check_read+0x11/0x20
[  408.434225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.439973]  ? rcu_softirq_qs+0x20/0x20
[  408.443950]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.449058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.454624]  ? check_preemption_disabled+0x48/0x280
[  408.459651]  handle_mm_fault+0x54f/0xc70
[  408.463724]  ? __handle_mm_fault+0x5be0/0x5be0
[  408.468316]  ? find_vma+0x34/0x190
[  408.471864]  __do_page_fault+0x5e8/0xe60
[  408.475925]  ? trace_hardirqs_off+0xb8/0x310
[  408.480346]  do_page_fault+0xf2/0x7e0
[  408.484151]  ? vmalloc_sync_all+0x30/0x30
[  408.488303]  ? error_entry+0x70/0xd0
[  408.492021]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.497046]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.501989]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.506920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.511771]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.516788]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.522261]  ? prepare_exit_to_usermode+0x291/0x3b0
[  408.527278]  ? page_fault+0x8/0x30
[  408.530825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.535677]  ? page_fault+0x8/0x30
[  408.539220]  page_fault+0x1e/0x30
[  408.542674] RIP: 0033:0x40f9c0
[  408.545884] Code: Bad RIP value.
[  408.549245] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  408.554616] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  408.561885] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  408.569156] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  408.576424] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  408.583694] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  408.591010] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  408.591016] warn_alloc_show_mem: 1 callbacks suppressed
[  408.591024] Mem-Info:
[  408.597431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.602802] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  408.602802]  active_file:15 inactive_file:12 isolated_file:0
[  408.602802]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.602802]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  408.602802]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  408.602802]  free:13790 free_pcp:473 free_cma:0
[  408.605179] Call Trace:
[  408.614573] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.647601]  dump_stack+0x244/0x39d
[  408.650187] 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
[  408.677858]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.681465] lowmem_reserve[]: 0 2818 6321 6321
[  408.707609]  warn_alloc.cold.116+0xb7/0x1bd
[  408.712787] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  408.717372]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.721675] lowmem_reserve[]: 0 0 3503 3503
[  408.749177]  ? lock_downgrade+0x900/0x900
[  408.753998] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  408.758322]  ? trace_hardirqs_off+0xb8/0x310
[  408.762441] lowmem_reserve[]: 0 0 0 0
[  408.791587]  ? trace_hardirqs_off+0xb8/0x310
[  408.795973] 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
[  408.799776]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.804165] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  408.817727]  ? warn_alloc+0x120/0x120
[  408.822526] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  408.837872]  ? print_usage_bug+0xc0/0xc0
[  408.841660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.856997]  ? warn_alloc+0x120/0x120
[  408.861042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.869866]  ? warn_alloc+0x120/0x120
[  408.873658] 2571 total pagecache pages
[  408.882232]  ? print_usage_bug+0xc0/0xc0
[  408.886020] 0 pages in swap cache
[  408.889902]  ? print_usage_bug+0xc0/0xc0
[  408.893947] Swap cache stats: add 0, delete 0, find 0/0
[  408.897395]  ? __lock_acquire+0x62f/0x4c20
[  408.901447] Free swap  = 0kB
[  408.906817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.911071] Total swap = 0kB
[  408.914113]  ? should_fail+0x22d/0xd01
[  408.919627] 1965979 pages RAM
[  408.922640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.926507] 0 pages HighMem/MovableOnly
[  408.929609]  ? __lock_acquire+0x62f/0x4c20
[  408.934721] 342855 pages reserved
[  408.938689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.942904] 0 pages cma reserved
[  408.946364]  ? __lock_acquire+0x62f/0x4c20
[  408.951539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.954834]  ? should_fail+0x22d/0xd01
[  408.954860]  ? mark_held_locks+0x130/0x130
[  408.954878]  ? mark_held_locks+0x130/0x130
[  408.959153] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.965585]  ? zap_class+0x640/0x640
[  408.969456] syz-fuzzer cpuset=/ mems_allowed=0
[  408.973689]  ? zap_class+0x640/0x640
[  409.000122]  ? zap_class+0x640/0x640
[  409.003841]  ? print_usage_bug+0xc0/0xc0
[  409.007902]  ? mark_held_locks+0x130/0x130
[  409.012152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.017691]  ? check_preemption_disabled+0x48/0x280
[  409.022721]  ? __lock_is_held+0xb5/0x140
[  409.026806]  __alloc_pages_nodemask+0xa80/0xde0
[  409.031509]  ? zap_class+0x640/0x640
[  409.035233]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.040266]  ? find_held_lock+0x36/0x1c0
[  409.044344]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.049026]  ? lock_downgrade+0x900/0x900
[  409.053186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.058731]  cache_grow_begin+0xa5/0x8c0
[  409.062793]  ? do_raw_spin_unlock+0xa7/0x330
[  409.067220]  fallback_alloc+0x204/0x2e0
[  409.071217]  ____cache_alloc_node+0x1c7/0x1e0
[  409.075718]  kmem_cache_alloc_node+0xe3/0x730
[  409.080219]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.084466]  __alloc_skb+0x119/0x770
[  409.088185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.093471]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.097880]  ? lock_downgrade+0x900/0x900
[  409.102064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.107606]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.113063]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.118514]  ? addrconf_rs_timer+0x690/0x690
[  409.122935]  ndisc_alloc_skb+0x144/0x340
[  409.127002]  ndisc_send_rs+0x331/0x6e0
[  409.130897]  addrconf_rs_timer+0x314/0x690
[  409.135181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.139432]  call_timer_fn+0x272/0x920
[  409.143318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.147579]  ? process_timeout+0x40/0x40
[  409.151664]  ? __run_timers+0x7da/0xc70
[  409.155661]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.160157]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.164659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.168898]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.173496]  ? trace_hardirqs_on+0xbd/0x310
[  409.177836]  ? kasan_check_read+0x11/0x20
[  409.181986]  ? __run_timers+0x7da/0xc70
[  409.185977]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.191098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.195351]  __run_timers+0x7e5/0xc70
[  409.199184]  ? timer_fixup_init+0x70/0x70
[  409.203336]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.207833]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.212335]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.216921]  ? trace_hardirqs_on+0xbd/0x310
[  409.221264]  ? kasan_check_read+0x11/0x20
[  409.225419]  ? finish_task_switch+0x1f4/0x910
[  409.229928]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.235032]  ? compat_start_thread+0x80/0x80
[  409.239465]  ? pvclock_read_flags+0x160/0x160
[  409.243971]  ? __switch_to_asm+0x34/0x70
[  409.248042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.253585]  ? check_preemption_disabled+0x48/0x280
[  409.258618]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.264178]  ? rcu_pm_notify+0xc0/0xc0
[  409.268069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.273614]  ? check_preemption_disabled+0x48/0x280
[  409.278642]  run_timer_softirq+0x52/0xb0
[  409.282708]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.287728]  __do_softirq+0x308/0xb7e
[  409.291546]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.296523]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.301640]  ? schedule+0x108/0x460
[  409.305284]  ? trace_hardirqs_off+0xb8/0x310
[  409.309697]  ? smpboot_thread_fn+0x68b/0xa00
[  409.314121]  ? trace_hardirqs_on+0x310/0x310
[  409.318545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.324110]  ? check_preemption_disabled+0x48/0x280
[  409.329635]  ? takeover_tasklets+0xa90/0xa90
[  409.334226]  run_ksoftirqd+0x5e/0x100
[  409.338046]  smpboot_thread_fn+0x68b/0xa00
[  409.342289]  ? sort_range+0x30/0x30
[  409.345921]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.351027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.356570]  ? __kthread_parkme+0xfb/0x1a0
[  409.360813]  ? sort_range+0x30/0x30
[  409.364440]  kthread+0x35a/0x440
[  409.367818]  ? kthread_stop+0x900/0x900
[  409.371797]  ret_from_fork+0x3a/0x50
[  409.375535] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  409.375610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.382124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.382134] Call Trace:
[  409.388714] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.397989]  <IRQ>
[  409.400571] ksoftirqd/0 cpuset=/ mems_allowed=0
[  409.410882]  dump_stack+0x244/0x39d
[  409.421317]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.426523]  warn_alloc.cold.116+0xb7/0x1bd
[  409.430861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.435753]  ? lock_downgrade+0x900/0x900
[  409.439924]  ? trace_hardirqs_off+0xb8/0x310
[  409.444344]  ? trace_hardirqs_off+0xb8/0x310
[  409.448772]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.453673]  ? warn_alloc+0x120/0x120
[  409.457494]  ? print_usage_bug+0xc0/0xc0
[  409.461559]  ? warn_alloc+0x120/0x120
[  409.465365]  ? warn_alloc+0x120/0x120
[  409.469169]  ? print_usage_bug+0xc0/0xc0
[  409.473278]  ? print_usage_bug+0xc0/0xc0
[  409.477364]  ? __lock_acquire+0x62f/0x4c20
[  409.481618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.487170]  ? should_fail+0x22d/0xd01
[  409.491094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.496202]  ? __lock_acquire+0x62f/0x4c20
[  409.500443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.505557]  ? __lock_acquire+0x62f/0x4c20
[  409.509795]  ? should_fail+0x22d/0xd01
[  409.513683]  ? find_held_lock+0x36/0x1c0
[  409.517770]  ? mark_held_locks+0x130/0x130
[  409.522018]  ? mark_held_locks+0x130/0x130
[  409.526255]  ? zap_class+0x640/0x640
[  409.530008]  ? zap_class+0x640/0x640
[  409.533729]  ? print_usage_bug+0xc0/0xc0
[  409.537815]  ? do_raw_spin_unlock+0xa7/0x330
[  409.542242]  ? zap_class+0x640/0x640
[  409.546009]  ? print_usage_bug+0xc0/0xc0
[  409.550072]  ? wq_watchdog_touch+0x9c/0xfe
[  409.554315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.559885]  ? check_preemption_disabled+0x48/0x280
[  409.564917]  ? __lock_is_held+0xb5/0x140
[  409.568996]  __alloc_pages_nodemask+0xa80/0xde0
[  409.573671]  ? zap_class+0x640/0x640
[  409.577393]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.582422]  ? find_held_lock+0x36/0x1c0
[  409.586506]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.591194]  ? lock_downgrade+0x900/0x900
[  409.595355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.600910]  cache_grow_begin+0xa5/0x8c0
[  409.604974]  ? do_raw_spin_unlock+0xa7/0x330
[  409.609394]  fallback_alloc+0x204/0x2e0
[  409.613385]  ____cache_alloc_node+0x1c7/0x1e0
[  409.617892]  kmem_cache_alloc_node+0xe3/0x730
[  409.622387]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.626650]  __alloc_skb+0x119/0x770
[  409.630379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.635663]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.640073]  ? lock_downgrade+0x900/0x900
[  409.644234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.649774]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.655240]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.660693]  ? addrconf_rs_timer+0x690/0x690
[  409.665114]  ndisc_alloc_skb+0x144/0x340
[  409.669189]  ndisc_send_rs+0x331/0x6e0
[  409.673083]  addrconf_rs_timer+0x314/0x690
[  409.677324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.681576]  call_timer_fn+0x272/0x920
[  409.685483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.689716]  ? process_timeout+0x40/0x40
[  409.693806]  ? mark_held_locks+0xc7/0x130
[  409.697965]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.702485]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.706983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.711220]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.715807]  ? trace_hardirqs_on+0xbd/0x310
[  409.720132]  ? kasan_check_read+0x11/0x20
[  409.724284]  ? __run_timers+0x7da/0xc70
[  409.728269]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.733374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.737620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.741855]  __run_timers+0x7e5/0xc70
[  409.745667]  ? timer_fixup_init+0x70/0x70
[  409.749818]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.754836]  ? zap_class+0x640/0x640
[  409.758556]  ? print_usage_bug+0xc0/0xc0
[  409.762640]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.767846]  ? find_held_lock+0x36/0x1c0
[  409.771913]  ? zap_class+0x640/0x640
[  409.775637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.781181]  ? check_preemption_disabled+0x48/0x280
[  409.786214]  ? __lock_is_held+0xb5/0x140
[  409.790279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.795820]  ? check_preemption_disabled+0x48/0x280
[  409.800844]  run_timer_softirq+0x52/0xb0
[  409.804906]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.809924]  __do_softirq+0x308/0xb7e
[  409.813731]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  409.818229]  ? lock_downgrade+0x900/0x900
[  409.822387]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.827500]  ? pvclock_read_flags+0x160/0x160
[  409.831999]  ? lapic_next_event+0x5a/0x90
[  409.836151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.841700]  ? kvm_clock_read+0x18/0x30
[  409.845679]  ? kvm_sched_clock_read+0x9/0x20
[  409.850095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.855659]  ? check_preemption_disabled+0x48/0x280
[  409.860685]  irq_exit+0x17f/0x1c0
[  409.864145]  smp_apic_timer_interrupt+0x1cb/0x760
[  409.868986]  ? smp_reschedule_interrupt+0x109/0x650
[  409.874003]  ? smp_call_function_single_interrupt+0x650/0x650
[  409.879889]  ? interrupt_entry+0xb5/0xc0
[  409.883951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.888969]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.894002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.898847]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.903868]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.908887]  ? task_prio+0x50/0x50
[  409.912433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.917984]  ? check_preemption_disabled+0x48/0x280
[  409.923031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.927885]  apic_timer_interrupt+0xf/0x20
[  409.932132]  </IRQ>
[  409.934374] RIP: 0010:console_unlock+0x102f/0x1190
[  409.939310] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  409.958215] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  409.965945] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  409.973240] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  409.980507] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  409.987773] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  409.995044] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  410.002335]  ? netconsole_netdev_event+0x280/0x280
[  410.007285]  ? console_unlock+0x1026/0x1190
[  410.011665]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  410.016350]  ? vprintk_emit+0x846/0x990
[  410.020329]  ? lock_release+0xa00/0xa00
[  410.024308]  ? trace_hardirqs_on+0x20/0x310
[  410.028648]  ? vprintk_default+0x28/0x30
[  410.032710]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.037841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.043402]  vprintk_emit+0x391/0x990
[  410.047234]  ? wake_up_klogd+0x180/0x180
[  410.051302]  ? match_held_lock+0x8c1/0x8d0
[  410.055547]  ? mark_held_locks+0xc7/0x130
[  410.059722]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.064237]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.068740]  vprintk_default+0x28/0x30
[  410.072639]  vprintk_func+0x7e/0x181
[  410.076361]  printk+0xa7/0xcf
[  410.079484]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  410.084242]  ? _raw_spin_unlock_irq+0x60/0x80
[  410.088754]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  410.094039]  dump_header+0x7cc/0xf72
[  410.097782]  ? pagefault_out_of_memory+0x197/0x197
[  410.102722]  ? __lock_acquire+0x62f/0x4c20
[  410.106958]  ? percpu_ref_get_many+0x240/0x240
[  410.111546]  ? print_usage_bug+0xc0/0xc0
[  410.115625]  ? zap_class+0x640/0x640
[  410.119354]  ? print_usage_bug+0xc0/0xc0
[  410.123427]  ? zap_class+0x640/0x640
[  410.127149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.132691]  ? find_held_lock+0x36/0x1c0
[  410.136761]  ? mark_held_locks+0xc7/0x130
[  410.140927]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.146044]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.151151]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.155738]  ? trace_hardirqs_on+0xbd/0x310
[  410.160060]  ? kasan_check_read+0x11/0x20
[  410.164214]  ? ___ratelimit+0x3b4/0x672
[  410.168217]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.173326]  ? trace_hardirqs_on+0x310/0x310
[  410.177737]  ? lock_downgrade+0x900/0x900
[  410.181907]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.187016]  ? ___ratelimit+0x3b9/0x672
[  410.190995]  ? idr_get_free+0xf70/0xf70
[  410.194992]  ? find_held_lock+0x36/0x1c0
[  410.199066]  oom_kill_process.cold.27+0x10/0x903
[  410.203824]  ? zap_class+0x640/0x640
[  410.207538]  ? check_preemption_disabled+0x48/0x280
[  410.212564]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.217493]  ? kasan_check_read+0x11/0x20
[  410.221658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.226953]  ? oom_evaluate_task+0x540/0x540
[  410.231395]  ? find_held_lock+0x36/0x1c0
[  410.235492]  ? out_of_memory+0x974/0x1430
[  410.239669]  ? lock_downgrade+0x900/0x900
[  410.243827]  ? check_preemption_disabled+0x48/0x280
[  410.248852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.253784]  ? kasan_check_read+0x11/0x20
[  410.257935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.263218]  ? rcu_softirq_qs+0x20/0x20
[  410.267209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.272746]  ? oom_evaluate_task+0x302/0x540
[  410.277167]  out_of_memory+0xa84/0x1430
[  410.281149]  ? oom_killer_disable+0x3a0/0x3a0
[  410.285651]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  410.290584]  ? __ww_mutex_check_waiters+0x160/0x160
[  410.295638]  __alloc_pages_slowpath+0x2354/0x2e10
[  410.300515]  ? warn_alloc+0x120/0x120
[  410.304325]  ? mark_held_locks+0x130/0x130
[  410.308572]  ? find_get_entry+0xaae/0x1120
[  410.312827]  ? filemap_map_pages+0x1a20/0x1a20
[  410.317418]  ? zap_class+0x640/0x640
[  410.321143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.326684]  ? check_preemption_disabled+0x48/0x280
[  410.331953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.337506]  ? should_fail+0x22d/0xd01
[  410.341400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.346506]  ? zap_class+0x640/0x640
[  410.350252]  ? __lock_is_held+0xb5/0x140
[  410.354329]  ? mark_held_locks+0x130/0x130
[  410.358572]  ? lock_release+0xa00/0xa00
[  410.362554]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.368009]  ? xa_load+0x2ba/0x460
[  410.371555]  ? lock_downgrade+0x900/0x900
[  410.375726]  ? __might_sleep+0x95/0x190
[  410.379705]  __alloc_pages_nodemask+0xa80/0xde0
[  410.384383]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.389402]  ? __page_cache_alloc+0x191/0x5c0
[  410.393896]  ? xa_load+0x2e1/0x460
[  410.397439]  ? xa_clear_mark+0x40/0x40
[  410.401355]  ? zap_class+0x640/0x640
[  410.405085]  ? zap_class+0x640/0x640
[  410.408801]  ? zap_class+0x640/0x640
[  410.412516]  ? __do_page_cache_readahead+0x663/0x810
[  410.417645]  ? find_held_lock+0x36/0x1c0
[  410.421724]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  410.427269]  alloc_pages_current+0x173/0x350
[  410.431689]  __page_cache_alloc+0x38c/0x5c0
[  410.436023]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.441480]  ? kasan_check_read+0x11/0x20
[  410.445638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.450918]  ? generic_perform_write+0x6a0/0x6a0
[  410.455689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.461235]  ? check_preemption_disabled+0x48/0x280
[  410.466266]  filemap_fault+0x1595/0x25f0
[  410.470350]  ? __lock_page_or_retry+0xa00/0xa00
[  410.475052]  ? mark_held_locks+0x130/0x130
[  410.479318]  ? filemap_map_pages+0xd6b/0x1a20
[  410.483818]  ? lock_downgrade+0x900/0x900
[  410.487967]  ? check_preemption_disabled+0x48/0x280
[  410.492991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.497925]  ? kasan_check_read+0x11/0x20
[  410.502073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.507371]  ? rcu_softirq_qs+0x20/0x20
[  410.511363]  ? filemap_map_pages+0xd92/0x1a20
[  410.515879]  ? find_get_entries_tag+0x1400/0x1400
[  410.520730]  ? debug_object_destroy+0x2b0/0x2b0
[  410.525424]  ? lock_pi_update_atomic+0x150/0x150
[  410.530182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.535756]  ? lock_acquire+0x1ed/0x520
[  410.539744]  ? ext4_filemap_fault+0x7a/0xad
[  410.544074]  ? lock_release+0xa00/0xa00
[  410.548061]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.553536]  ? print_usage_bug+0xc0/0xc0
[  410.557604]  ? print_usage_bug+0xc0/0xc0
[  410.561687]  ? down_read+0x8d/0x120
[  410.565322]  ? ext4_filemap_fault+0x7a/0xad
[  410.569650]  ? __down_interruptible+0x700/0x700
[  410.574333]  ext4_filemap_fault+0x82/0xad
[  410.578497]  __do_fault+0x100/0x6b0
[  410.582134]  ? pmd_devmap_trans_unstable+0x220/0x220
[  410.587261]  ? mark_held_locks+0x130/0x130
[  410.591517]  ? mark_held_locks+0x130/0x130
[  410.595761]  ? debug_smp_processor_id+0x1c/0x20
[  410.600432]  ? perf_trace_lock+0x14d/0x7a0
[  410.604676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.610224]  __handle_mm_fault+0x3ea6/0x5be0
[  410.614646]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  410.619493]  ? lock_is_held_type+0x210/0x210
[  410.623948]  ? ksys_dup3+0x680/0x680
[  410.627696]  ? zap_class+0x640/0x640
[  410.631413]  ? zap_class+0x640/0x640
[  410.635133]  ? __x64_sys_futex+0x53e/0x6a0
[  410.639389]  ? find_held_lock+0x36/0x1c0
[  410.643464]  ? handle_mm_fault+0x42a/0xc70
[  410.647702]  ? lock_downgrade+0x900/0x900
[  410.651852]  ? check_preemption_disabled+0x48/0x280
[  410.656878]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.661810]  ? kasan_check_read+0x11/0x20
[  410.665975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.671255]  ? rcu_softirq_qs+0x20/0x20
[  410.675233]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.680344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.685888]  ? check_preemption_disabled+0x48/0x280
[  410.690915]  handle_mm_fault+0x54f/0xc70
[  410.694998]  ? __handle_mm_fault+0x5be0/0x5be0
[  410.699609]  ? find_vma+0x34/0x190
[  410.703164]  __do_page_fault+0x5e8/0xe60
[  410.707227]  ? trace_hardirqs_off+0xb8/0x310
[  410.711663]  do_page_fault+0xf2/0x7e0
[  410.715466]  ? vmalloc_sync_all+0x30/0x30
[  410.719636]  ? error_entry+0x70/0xd0
[  410.723354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.728369]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.733315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.738245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.743112]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.748147]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.753610]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.758634]  ? page_fault+0x8/0x30
[  410.762194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.767041]  ? page_fault+0x8/0x30
[  410.770582]  page_fault+0x1e/0x30
[  410.774037] RIP: 0033:0x40f9c0
[  410.777243] Code: Bad RIP value.
[  410.780613] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  410.785975] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  410.793242] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  410.800525] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  410.807793] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  410.815057] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  410.822358] warn_alloc_show_mem: 1 callbacks suppressed
[  410.822370] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  410.822372] Mem-Info:
[  410.822403] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  410.822403]  active_file:15 inactive_file:12 isolated_file:0
[  410.822403]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.822403]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  410.822403]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  410.822403]  free:13790 free_pcp:473 free_cma:0
[  410.827754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.834181] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.836595] Call Trace:
[  410.869667] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.879025]  dump_stack+0x244/0x39d
[  410.906664] lowmem_reserve[]: 0 2818 6321 6321
[  410.909271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.935356] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  410.938995]  warn_alloc.cold.116+0xb7/0x1bd
[  410.943544] lowmem_reserve[]: 0 0 3503 3503
[  410.948748]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.976228] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  410.980555]  ? lock_downgrade+0x900/0x900
[  410.984851] lowmem_reserve[]: 0 0 0 0
[  410.989697]  ? trace_hardirqs_off+0xb8/0x310
[  411.018822] 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
[  411.022975]  ? trace_hardirqs_off+0xb8/0x310
[  411.026754] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  411.031168]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.044665] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  411.049107]  ? warn_alloc+0x120/0x120
[  411.064425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.069271]  ? print_usage_bug+0xc0/0xc0
[  411.084597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.088426]  ? warn_alloc+0x120/0x120
[  411.097241] 2571 total pagecache pages
[  411.101306]  ? warn_alloc+0x120/0x120
[  411.109905] 0 pages in swap cache
[  411.113701]  ? print_usage_bug+0xc0/0xc0
[  411.117583] Swap cache stats: add 0, delete 0, find 0/0
[  411.121383]  ? print_usage_bug+0xc0/0xc0
[  411.124815] Free swap  = 0kB
[  411.128878]  ? __lock_acquire+0x62f/0x4c20
[  411.134231] Total swap = 0kB
[  411.138301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.141295] 1965979 pages RAM
[  411.145531]  ? should_fail+0x22d/0xd01
[  411.148525] 0 pages HighMem/MovableOnly
[  411.148534] 342855 pages reserved
[  411.154075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.157174] 0 pages cma reserved
[  411.161071]  ? __lock_acquire+0x62f/0x4c20
[  411.165099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.168484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.173629] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.176933]  ? __lock_acquire+0x62f/0x4c20
[  411.181145] syz-fuzzer cpuset=/ mems_allowed=0
[  411.187638]  ? should_fail+0x22d/0xd01
[  411.215622]  ? find_held_lock+0x36/0x1c0
[  411.219700]  ? mark_held_locks+0x130/0x130
[  411.223947]  ? mark_held_locks+0x130/0x130
[  411.228194]  ? zap_class+0x640/0x640
[  411.231918]  ? mark_held_locks+0xc7/0x130
[  411.236070]  ? do_raw_spin_unlock+0xa7/0x330
[  411.240489]  ? zap_class+0x640/0x640
[  411.244211]  ? print_usage_bug+0xc0/0xc0
[  411.248280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.253821]  ? check_preemption_disabled+0x48/0x280
[  411.258859]  ? __lock_is_held+0xb5/0x140
[  411.262943]  __alloc_pages_nodemask+0xa80/0xde0
[  411.267616]  ? zap_class+0x640/0x640
[  411.271343]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.276378]  ? find_held_lock+0x36/0x1c0
[  411.280464]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.285162]  ? lock_downgrade+0x900/0x900
[  411.289326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.294882]  cache_grow_begin+0xa5/0x8c0
[  411.298955]  ? do_raw_spin_unlock+0xa7/0x330
[  411.303399]  fallback_alloc+0x204/0x2e0
[  411.307382]  ____cache_alloc_node+0x1c7/0x1e0
[  411.311884]  kmem_cache_alloc_node+0xe3/0x730
[  411.316394]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.320660]  __alloc_skb+0x119/0x770
[  411.324380]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.330195]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.334613]  ? lock_downgrade+0x900/0x900
[  411.338772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.344325]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.349786]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.355253]  ? addrconf_rs_timer+0x690/0x690
[  411.359679]  ndisc_alloc_skb+0x144/0x340
[  411.363768]  ndisc_send_rs+0x331/0x6e0
[  411.367676]  addrconf_rs_timer+0x314/0x690
[  411.371920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.376202]  call_timer_fn+0x272/0x920
[  411.380105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.384349]  ? process_timeout+0x40/0x40
[  411.388447]  ? __run_timers+0x7da/0xc70
[  411.392444]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.396942]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.401459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.405703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.410293]  ? trace_hardirqs_on+0xbd/0x310
[  411.414618]  ? kasan_check_read+0x11/0x20
[  411.418775]  ? __run_timers+0x7da/0xc70
[  411.422754]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.427871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.432119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.436363]  __run_timers+0x7e5/0xc70
[  411.440179]  ? timer_fixup_init+0x70/0x70
[  411.444331]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.448832]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.453334]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.457923]  ? trace_hardirqs_on+0xbd/0x310
[  411.462271]  ? kasan_check_read+0x11/0x20
[  411.466440]  ? finish_task_switch+0x1f4/0x910
[  411.470975]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.476096]  ? compat_start_thread+0x80/0x80
[  411.480544]  ? pvclock_read_flags+0x160/0x160
[  411.485052]  ? __switch_to_asm+0x34/0x70
[  411.489134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.494684]  ? check_preemption_disabled+0x48/0x280
[  411.499717]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  411.505260]  ? rcu_pm_notify+0xc0/0xc0
[  411.509189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.514748]  ? check_preemption_disabled+0x48/0x280
[  411.519780]  run_timer_softirq+0x52/0xb0
[  411.523843]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.528863]  __do_softirq+0x308/0xb7e
[  411.532670]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.537608]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.542723]  ? schedule+0x108/0x460
[  411.546365]  ? trace_hardirqs_off+0xb8/0x310
[  411.550781]  ? smpboot_thread_fn+0x68b/0xa00
[  411.555200]  ? trace_hardirqs_on+0x310/0x310
[  411.559614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.565178]  ? check_preemption_disabled+0x48/0x280
[  411.570216]  ? takeover_tasklets+0xa90/0xa90
[  411.574655]  run_ksoftirqd+0x5e/0x100
[  411.578459]  smpboot_thread_fn+0x68b/0xa00
[  411.582700]  ? sort_range+0x30/0x30
[  411.586334]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.591440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.596986]  ? __kthread_parkme+0xfb/0x1a0
[  411.601226]  ? sort_range+0x30/0x30
[  411.604889]  kthread+0x35a/0x440
[  411.608273]  ? kthread_stop+0x900/0x900
[  411.612278]  ret_from_fork+0x3a/0x50
[  411.616017] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  411.616107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.622608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.622618] Call Trace:
[  411.629209] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.638451]  <IRQ>
[  411.641025] ksoftirqd/0 cpuset=/ mems_allowed=0
[  411.651332]  dump_stack+0x244/0x39d
[  411.661743]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.666955]  warn_alloc.cold.116+0xb7/0x1bd
[  411.671287]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.676138]  ? lock_downgrade+0x900/0x900
[  411.680298]  ? trace_hardirqs_off+0xb8/0x310
[  411.684718]  ? trace_hardirqs_off+0xb8/0x310
[  411.689138]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.694052]  ? warn_alloc+0x120/0x120
[  411.697860]  ? print_usage_bug+0xc0/0xc0
[  411.701924]  ? warn_alloc+0x120/0x120
[  411.705733]  ? warn_alloc+0x120/0x120
[  411.709539]  ? print_usage_bug+0xc0/0xc0
[  411.713628]  ? print_usage_bug+0xc0/0xc0
[  411.717707]  ? __lock_acquire+0x62f/0x4c20
[  411.721950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.727491]  ? should_fail+0x22d/0xd01
[  411.731385]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.736491]  ? __lock_acquire+0x62f/0x4c20
[  411.740755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.745860]  ? __lock_acquire+0x62f/0x4c20
[  411.750105]  ? should_fail+0x22d/0xd01
[  411.753999]  ? find_held_lock+0x36/0x1c0
[  411.758074]  ? mark_held_locks+0x130/0x130
[  411.762316]  ? mark_held_locks+0x130/0x130
[  411.766555]  ? zap_class+0x640/0x640
[  411.770275]  ? zap_class+0x640/0x640
[  411.773996]  ? print_usage_bug+0xc0/0xc0
[  411.778057]  ? do_raw_spin_unlock+0xa7/0x330
[  411.782475]  ? zap_class+0x640/0x640
[  411.786192]  ? print_usage_bug+0xc0/0xc0
[  411.790277]  ? wq_watchdog_touch+0x9c/0xfe
[  411.794519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.800063]  ? check_preemption_disabled+0x48/0x280
[  411.805094]  ? __lock_is_held+0xb5/0x140
[  411.809168]  __alloc_pages_nodemask+0xa80/0xde0
[  411.813858]  ? zap_class+0x640/0x640
[  411.817582]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.822651]  ? find_held_lock+0x36/0x1c0
[  411.826727]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.831406]  ? lock_downgrade+0x900/0x900
[  411.835584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.841153]  cache_grow_begin+0xa5/0x8c0
[  411.845215]  ? do_raw_spin_unlock+0xa7/0x330
[  411.849667]  fallback_alloc+0x204/0x2e0
[  411.853654]  ____cache_alloc_node+0x1c7/0x1e0
[  411.858172]  kmem_cache_alloc_node+0xe3/0x730
[  411.862683]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.866931]  __alloc_skb+0x119/0x770
[  411.870647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.875946]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.880360]  ? lock_downgrade+0x900/0x900
[  411.884540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.890083]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.895538]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.900990]  ? addrconf_rs_timer+0x690/0x690
[  411.905416]  ndisc_alloc_skb+0x144/0x340
[  411.909494]  ndisc_send_rs+0x331/0x6e0
[  411.913387]  addrconf_rs_timer+0x314/0x690
[  411.917633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.921885]  call_timer_fn+0x272/0x920
[  411.925772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.930028]  ? process_timeout+0x40/0x40
[  411.934104]  ? mark_held_locks+0xc7/0x130
[  411.938262]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.942760]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.947261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.951504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.956093]  ? trace_hardirqs_on+0xbd/0x310
[  411.960429]  ? kasan_check_read+0x11/0x20
[  411.964581]  ? __run_timers+0x7da/0xc70
[  411.968568]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.973684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.977925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.982163]  __run_timers+0x7e5/0xc70
[  411.985979]  ? timer_fixup_init+0x70/0x70
[  411.990137]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.995189]  ? zap_class+0x640/0x640
[  411.998911]  ? print_usage_bug+0xc0/0xc0
[  412.002975]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.008175]  ? find_held_lock+0x36/0x1c0
[  412.012244]  ? zap_class+0x640/0x640
[  412.015966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.021506]  ? check_preemption_disabled+0x48/0x280
[  412.026538]  ? __lock_is_held+0xb5/0x140
[  412.030607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.036166]  ? check_preemption_disabled+0x48/0x280
[  412.041192]  run_timer_softirq+0x52/0xb0
[  412.045260]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.050280]  __do_softirq+0x308/0xb7e
[  412.054087]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.058584]  ? lock_downgrade+0x900/0x900
[  412.062742]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.067872]  ? pvclock_read_flags+0x160/0x160
[  412.072377]  ? lapic_next_event+0x5a/0x90
[  412.076542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.082105]  ? kvm_clock_read+0x18/0x30
[  412.086103]  ? kvm_sched_clock_read+0x9/0x20
[  412.090536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.096075]  ? check_preemption_disabled+0x48/0x280
[  412.101106]  irq_exit+0x17f/0x1c0
[  412.104567]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.109416]  ? smp_reschedule_interrupt+0x109/0x650
[  412.114438]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.120342]  ? interrupt_entry+0xb5/0xc0
[  412.124411]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.129430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.134452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.139305]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.144354]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.149384]  ? task_prio+0x50/0x50
[  412.152928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.158471]  ? check_preemption_disabled+0x48/0x280
[  412.163510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.168374]  apic_timer_interrupt+0xf/0x20
[  412.172608]  </IRQ>
[  412.174848] RIP: 0010:console_unlock+0x102f/0x1190
[  412.179780] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  412.198700] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  412.206436] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  412.213715] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  412.220983] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  412.228255] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  412.235527] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  412.242807]  ? netconsole_netdev_event+0x280/0x280
[  412.247752]  ? console_unlock+0x1026/0x1190
[  412.252101]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  412.256774]  ? vprintk_emit+0x846/0x990
[  412.260753]  ? lock_release+0xa00/0xa00
[  412.264756]  ? trace_hardirqs_on+0x20/0x310
[  412.269079]  ? vprintk_default+0x28/0x30
[  412.273146]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.278254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.283801]  vprintk_emit+0x391/0x990
[  412.287630]  ? wake_up_klogd+0x180/0x180
[  412.291713]  ? match_held_lock+0x8c1/0x8d0
[  412.295959]  ? mark_held_locks+0xc7/0x130
[  412.300114]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.304618]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.309119]  vprintk_default+0x28/0x30
[  412.313027]  vprintk_func+0x7e/0x181
[  412.316762]  printk+0xa7/0xcf
[  412.319881]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  412.324642]  ? _raw_spin_unlock_irq+0x60/0x80
[  412.329381]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  412.334682]  dump_header+0x7cc/0xf72
[  412.338410]  ? pagefault_out_of_memory+0x197/0x197
[  412.343347]  ? __lock_acquire+0x62f/0x4c20
[  412.347597]  ? percpu_ref_get_many+0x240/0x240
[  412.352196]  ? print_usage_bug+0xc0/0xc0
[  412.356266]  ? zap_class+0x640/0x640
[  412.359984]  ? print_usage_bug+0xc0/0xc0
[  412.364058]  ? zap_class+0x640/0x640
[  412.367786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.373350]  ? find_held_lock+0x36/0x1c0
[  412.377442]  ? mark_held_locks+0xc7/0x130
[  412.381605]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.386889]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.392002]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.396613]  ? trace_hardirqs_on+0xbd/0x310
[  412.400956]  ? kasan_check_read+0x11/0x20
[  412.405119]  ? ___ratelimit+0x3b4/0x672
[  412.409102]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.414216]  ? trace_hardirqs_on+0x310/0x310
[  412.418638]  ? lock_downgrade+0x900/0x900
[  412.422801]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.427913]  ? ___ratelimit+0x3b9/0x672
[  412.431893]  ? idr_get_free+0xf70/0xf70
[  412.436384]  ? find_held_lock+0x36/0x1c0
[  412.440462]  oom_kill_process.cold.27+0x10/0x903
[  412.445227]  ? zap_class+0x640/0x640
[  412.448989]  ? check_preemption_disabled+0x48/0x280
[  412.454014]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.458950]  ? kasan_check_read+0x11/0x20
[  412.463110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.468412]  ? oom_evaluate_task+0x540/0x540
[  412.472833]  ? find_held_lock+0x36/0x1c0
[  412.476905]  ? out_of_memory+0x974/0x1430
[  412.481060]  ? lock_downgrade+0x900/0x900
[  412.485242]  ? check_preemption_disabled+0x48/0x280
[  412.490275]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.495231]  ? kasan_check_read+0x11/0x20
[  412.499384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.504664]  ? rcu_softirq_qs+0x20/0x20
[  412.508664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.514206]  ? oom_evaluate_task+0x302/0x540
[  412.518646]  out_of_memory+0xa84/0x1430
[  412.522653]  ? oom_killer_disable+0x3a0/0x3a0
[  412.527153]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  412.532100]  ? __ww_mutex_check_waiters+0x160/0x160
[  412.537177]  __alloc_pages_slowpath+0x2354/0x2e10
[  412.542064]  ? warn_alloc+0x120/0x120
[  412.545880]  ? mark_held_locks+0x130/0x130
[  412.550137]  ? find_get_entry+0xaae/0x1120
[  412.554388]  ? filemap_map_pages+0x1a20/0x1a20
[  412.558996]  ? zap_class+0x640/0x640
[  412.562731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.568277]  ? check_preemption_disabled+0x48/0x280
[  412.573303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.578843]  ? should_fail+0x22d/0xd01
[  412.582762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.587880]  ? zap_class+0x640/0x640
[  412.591628]  ? __lock_is_held+0xb5/0x140
[  412.595708]  ? mark_held_locks+0x130/0x130
[  412.599949]  ? lock_release+0xa00/0xa00
[  412.603939]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.609397]  ? xa_load+0x2ba/0x460
[  412.612941]  ? lock_downgrade+0x900/0x900
[  412.617107]  ? __might_sleep+0x95/0x190
[  412.621103]  __alloc_pages_nodemask+0xa80/0xde0
[  412.625785]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.630806]  ? __page_cache_alloc+0x191/0x5c0
[  412.635309]  ? xa_load+0x2e1/0x460
[  412.638853]  ? xa_clear_mark+0x40/0x40
[  412.642747]  ? zap_class+0x640/0x640
[  412.646484]  ? zap_class+0x640/0x640
[  412.650200]  ? zap_class+0x640/0x640
[  412.653918]  ? __do_page_cache_readahead+0x663/0x810
[  412.659080]  ? find_held_lock+0x36/0x1c0
[  412.663177]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  412.668734]  alloc_pages_current+0x173/0x350
[  412.673155]  __page_cache_alloc+0x38c/0x5c0
[  412.677482]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.682417]  ? kasan_check_read+0x11/0x20
[  412.686574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.691862]  ? generic_perform_write+0x6a0/0x6a0
[  412.696630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.702188]  ? check_preemption_disabled+0x48/0x280
[  412.707222]  filemap_fault+0x1595/0x25f0
[  412.711307]  ? __lock_page_or_retry+0xa00/0xa00
[  412.715986]  ? mark_held_locks+0x130/0x130
[  412.720262]  ? filemap_map_pages+0xd6b/0x1a20
[  412.724765]  ? lock_downgrade+0x900/0x900
[  412.728927]  ? check_preemption_disabled+0x48/0x280
[  412.733946]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.738875]  ? kasan_check_read+0x11/0x20
[  412.743026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.748315]  ? rcu_softirq_qs+0x20/0x20
[  412.752343]  ? filemap_map_pages+0xd92/0x1a20
[  412.756854]  ? find_get_entries_tag+0x1400/0x1400
[  412.761704]  ? debug_object_destroy+0x2b0/0x2b0
[  412.766377]  ? lock_pi_update_atomic+0x150/0x150
[  412.771167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.776735]  ? lock_acquire+0x1ed/0x520
[  412.780710]  ? ext4_filemap_fault+0x7a/0xad
[  412.785040]  ? lock_release+0xa00/0xa00
[  412.789015]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.794470]  ? print_usage_bug+0xc0/0xc0
[  412.798549]  ? print_usage_bug+0xc0/0xc0
[  412.802644]  ? down_read+0x8d/0x120
[  412.806292]  ? ext4_filemap_fault+0x7a/0xad
[  412.810619]  ? __down_interruptible+0x700/0x700
[  412.815307]  ext4_filemap_fault+0x82/0xad
[  412.819460]  __do_fault+0x100/0x6b0
[  412.823115]  ? pmd_devmap_trans_unstable+0x220/0x220
[  412.828232]  ? mark_held_locks+0x130/0x130
[  412.832491]  ? mark_held_locks+0x130/0x130
[  412.836736]  ? debug_smp_processor_id+0x1c/0x20
[  412.841427]  ? perf_trace_lock+0x14d/0x7a0
[  412.845678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.851227]  __handle_mm_fault+0x3ea6/0x5be0
[  412.855650]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  412.860522]  ? lock_is_held_type+0x210/0x210
[  412.864943]  ? ksys_dup3+0x680/0x680
[  412.868673]  ? zap_class+0x640/0x640
[  412.872388]  ? zap_class+0x640/0x640
[  412.876117]  ? __x64_sys_futex+0x53e/0x6a0
[  412.880365]  ? find_held_lock+0x36/0x1c0
[  412.884440]  ? handle_mm_fault+0x42a/0xc70
[  412.888680]  ? lock_downgrade+0x900/0x900
[  412.892834]  ? check_preemption_disabled+0x48/0x280
[  412.897932]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.902869]  ? kasan_check_read+0x11/0x20
[  412.907022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.912304]  ? rcu_softirq_qs+0x20/0x20
[  412.916293]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.921400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.926943]  ? check_preemption_disabled+0x48/0x280
[  412.931970]  handle_mm_fault+0x54f/0xc70
[  412.936071]  ? __handle_mm_fault+0x5be0/0x5be0
[  412.940674]  ? find_vma+0x34/0x190
[  412.944245]  __do_page_fault+0x5e8/0xe60
[  412.948321]  ? trace_hardirqs_off+0xb8/0x310
[  412.952743]  do_page_fault+0xf2/0x7e0
[  412.956562]  ? vmalloc_sync_all+0x30/0x30
[  412.960733]  ? error_entry+0x70/0xd0
[  412.964452]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.969469]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.974404]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.979343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.984194]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.989212]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.994668]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.999687]  ? page_fault+0x8/0x30
[  413.003239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.008095]  ? page_fault+0x8/0x30
[  413.011641]  page_fault+0x1e/0x30
[  413.015101] RIP: 0033:0x40f9c0
[  413.018311] Code: Bad RIP value.
[  413.021677] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  413.027040] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  413.034328] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  413.041597] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  413.048887] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  413.056163] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  413.063461] warn_alloc_show_mem: 1 callbacks suppressed
[  413.063473] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  413.063475] Mem-Info:
[  413.063505] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  413.063505]  active_file:15 inactive_file:12 isolated_file:0
[  413.063505]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.063505]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  413.063505]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  413.063505]  free:13790 free_pcp:473 free_cma:0
[  413.068855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.075272] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.077671] Call Trace:
[  413.110732] 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
[  413.120119]  dump_stack+0x244/0x39d
[  413.147763] lowmem_reserve[]: 0 2818 6321 6321
[  413.150360]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.176449] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  413.180126]  warn_alloc.cold.116+0xb7/0x1bd
[  413.184677] lowmem_reserve[]: 0 0 3503 3503
[  413.189868]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.217351] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  413.221682]  ? lock_downgrade+0x900/0x900
[  413.225992] lowmem_reserve[]: 0 0 0 0
[  413.230842]  ? trace_hardirqs_off+0xb8/0x310
[  413.259996] 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
[  413.264152]  ? trace_hardirqs_off+0xb8/0x310
[  413.267936] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  413.272351]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.285846] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  413.290294]  ? warn_alloc+0x120/0x120
[  413.305605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.310448]  ? print_usage_bug+0xc0/0xc0
[  413.325779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.329570]  ? warn_alloc+0x120/0x120
[  413.338387] 2571 total pagecache pages
[  413.342445]  ? warn_alloc+0x120/0x120
[  413.351006] 0 pages in swap cache
[  413.354803]  ? print_usage_bug+0xc0/0xc0
[  413.358674] Swap cache stats: add 0, delete 0, find 0/0
[  413.362472]  ? print_usage_bug+0xc0/0xc0
[  413.365903] Free swap  = 0kB
[  413.369961]  ? __lock_acquire+0x62f/0x4c20
[  413.375320] Total swap = 0kB
[  413.379383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.382382] 1965979 pages RAM
[  413.386633]  ? should_fail+0x22d/0xd01
[  413.389654] 0 pages HighMem/MovableOnly
[  413.395215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.398300] 342855 pages reserved
[  413.402185]  ? __lock_acquire+0x62f/0x4c20
[  413.406139] 0 pages cma reserved
[  413.411244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.414755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.418900]  ? __lock_acquire+0x62f/0x4c20
[  413.418917]  ? should_fail+0x22d/0xd01
[  413.422349] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.427400]  ? find_held_lock+0x36/0x1c0
[  413.433870] syz-fuzzer cpuset=/ mems_allowed=0
[  413.438126]  ? mark_held_locks+0x130/0x130
[  413.465113]  ? mark_held_locks+0x130/0x130
[  413.469354]  ? zap_class+0x640/0x640
[  413.473115]  ? mark_held_locks+0xc7/0x130
[  413.477267]  ? do_raw_spin_unlock+0xa7/0x330
[  413.481697]  ? zap_class+0x640/0x640
[  413.485447]  ? print_usage_bug+0xc0/0xc0
[  413.489526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.495083]  ? check_preemption_disabled+0x48/0x280
[  413.500138]  ? __lock_is_held+0xb5/0x140
[  413.504212]  __alloc_pages_nodemask+0xa80/0xde0
[  413.508882]  ? zap_class+0x640/0x640
[  413.512607]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.517645]  ? find_held_lock+0x36/0x1c0
[  413.521734]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.526408]  ? lock_downgrade+0x900/0x900
[  413.530569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.536131]  cache_grow_begin+0xa5/0x8c0
[  413.540201]  ? do_raw_spin_unlock+0xa7/0x330
[  413.544622]  fallback_alloc+0x204/0x2e0
[  413.548618]  ____cache_alloc_node+0x1c7/0x1e0
[  413.553132]  kmem_cache_alloc_node+0xe3/0x730
[  413.557638]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.561889]  __alloc_skb+0x119/0x770
[  413.565617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.570903]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.575320]  ? lock_downgrade+0x900/0x900
[  413.579497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.585040]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.590524]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.596001]  ? addrconf_rs_timer+0x690/0x690
[  413.600449]  ndisc_alloc_skb+0x144/0x340
[  413.604563]  ndisc_send_rs+0x331/0x6e0
[  413.608478]  addrconf_rs_timer+0x314/0x690
[  413.612734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.617014]  call_timer_fn+0x272/0x920
[  413.620914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.625158]  ? process_timeout+0x40/0x40
[  413.629236]  ? __run_timers+0x7da/0xc70
[  413.633221]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.637724]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.642221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.646475]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.651080]  ? trace_hardirqs_on+0xbd/0x310
[  413.655417]  ? kasan_check_read+0x11/0x20
[  413.659570]  ? __run_timers+0x7da/0xc70
[  413.663550]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.668667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.672911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.677151]  __run_timers+0x7e5/0xc70
[  413.680968]  ? timer_fixup_init+0x70/0x70
[  413.685131]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.689631]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.694139]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.698739]  ? trace_hardirqs_on+0xbd/0x310
[  413.703063]  ? kasan_check_read+0x11/0x20
[  413.707254]  ? finish_task_switch+0x1f4/0x910
[  413.711761]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.716876]  ? compat_start_thread+0x80/0x80
[  413.721323]  ? pvclock_read_flags+0x160/0x160
[  413.725836]  ? __switch_to_asm+0x34/0x70
[  413.729904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.735445]  ? check_preemption_disabled+0x48/0x280
[  413.740480]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  413.746026]  ? rcu_pm_notify+0xc0/0xc0
[  413.749918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.755460]  ? check_preemption_disabled+0x48/0x280
[  413.760485]  run_timer_softirq+0x52/0xb0
[  413.764548]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.769570]  __do_softirq+0x308/0xb7e
[  413.773381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.778338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.783453]  ? schedule+0x108/0x460
[  413.787106]  ? trace_hardirqs_off+0xb8/0x310
[  413.791529]  ? smpboot_thread_fn+0x68b/0xa00
[  413.795941]  ? trace_hardirqs_on+0x310/0x310
[  413.800353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.805896]  ? check_preemption_disabled+0x48/0x280
[  413.810927]  ? takeover_tasklets+0xa90/0xa90
[  413.815339]  run_ksoftirqd+0x5e/0x100
[  413.819144]  smpboot_thread_fn+0x68b/0xa00
[  413.823385]  ? sort_range+0x30/0x30
[  413.827018]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.832133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.837678]  ? __kthread_parkme+0xfb/0x1a0
[  413.841923]  ? sort_range+0x30/0x30
[  413.845551]  kthread+0x35a/0x440
[  413.848923]  ? kthread_stop+0x900/0x900
[  413.852910]  ret_from_fork+0x3a/0x50
[  413.856647] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  413.856721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.863241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.863251] Call Trace:
[  413.869830] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.879073]  <IRQ>
[  413.881673] ksoftirqd/0 cpuset=/ mems_allowed=0
[  413.891985]  dump_stack+0x244/0x39d
[  413.902413]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.907643]  warn_alloc.cold.116+0xb7/0x1bd
[  413.911983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.916850]  ? lock_downgrade+0x900/0x900
[  413.921014]  ? trace_hardirqs_off+0xb8/0x310
[  413.925438]  ? trace_hardirqs_off+0xb8/0x310
[  413.929856]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.934749]  ? warn_alloc+0x120/0x120
[  413.938562]  ? print_usage_bug+0xc0/0xc0
[  413.942644]  ? warn_alloc+0x120/0x120
[  413.946450]  ? warn_alloc+0x120/0x120
[  413.950262]  ? print_usage_bug+0xc0/0xc0
[  413.954333]  ? print_usage_bug+0xc0/0xc0
[  413.958402]  ? __lock_acquire+0x62f/0x4c20
[  413.962648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.968204]  ? should_fail+0x22d/0xd01
[  413.972098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.977210]  ? __lock_acquire+0x62f/0x4c20
[  413.981456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.986585]  ? __lock_acquire+0x62f/0x4c20
[  413.990823]  ? should_fail+0x22d/0xd01
[  413.994713]  ? find_held_lock+0x36/0x1c0
[  413.998800]  ? mark_held_locks+0x130/0x130
[  414.003043]  ? mark_held_locks+0x130/0x130
[  414.007290]  ? zap_class+0x640/0x640
[  414.011006]  ? zap_class+0x640/0x640
[  414.014724]  ? print_usage_bug+0xc0/0xc0
[  414.018799]  ? do_raw_spin_unlock+0xa7/0x330
[  414.023211]  ? zap_class+0x640/0x640
[  414.026932]  ? print_usage_bug+0xc0/0xc0
[  414.030999]  ? wq_watchdog_touch+0x9c/0xfe
[  414.035243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.040784]  ? check_preemption_disabled+0x48/0x280
[  414.045825]  ? __lock_is_held+0xb5/0x140
[  414.049893]  __alloc_pages_nodemask+0xa80/0xde0
[  414.054605]  ? zap_class+0x640/0x640
[  414.058344]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.063380]  ? find_held_lock+0x36/0x1c0
[  414.067459]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.072148]  ? lock_downgrade+0x900/0x900
[  414.076307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.081852]  cache_grow_begin+0xa5/0x8c0
[  414.085919]  ? do_raw_spin_unlock+0xa7/0x330
[  414.090340]  fallback_alloc+0x204/0x2e0
[  414.094327]  ____cache_alloc_node+0x1c7/0x1e0
[  414.098838]  kmem_cache_alloc_node+0xe3/0x730
[  414.103351]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.107615]  __alloc_skb+0x119/0x770
[  414.111358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.116647]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.121066]  ? lock_downgrade+0x900/0x900
[  414.125241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.130786]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.136249]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.141724]  ? addrconf_rs_timer+0x690/0x690
[  414.146191]  ndisc_alloc_skb+0x144/0x340
[  414.150267]  ndisc_send_rs+0x331/0x6e0
[  414.154165]  addrconf_rs_timer+0x314/0x690
[  414.158417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.162688]  call_timer_fn+0x272/0x920
[  414.166583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.170841]  ? process_timeout+0x40/0x40
[  414.174919]  ? mark_held_locks+0xc7/0x130
[  414.179091]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.183596]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.188100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.192345]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.196935]  ? trace_hardirqs_on+0xbd/0x310
[  414.201267]  ? kasan_check_read+0x11/0x20
[  414.205422]  ? __run_timers+0x7da/0xc70
[  414.209407]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.214526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.218877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.223121]  __run_timers+0x7e5/0xc70
[  414.226946]  ? timer_fixup_init+0x70/0x70
[  414.231128]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.236162]  ? zap_class+0x640/0x640
[  414.239891]  ? print_usage_bug+0xc0/0xc0
[  414.243961]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  414.249178]  ? find_held_lock+0x36/0x1c0
[  414.253252]  ? zap_class+0x640/0x640
[  414.256986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.262536]  ? check_preemption_disabled+0x48/0x280
[  414.267617]  ? __lock_is_held+0xb5/0x140
[  414.271699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.277247]  ? check_preemption_disabled+0x48/0x280
[  414.282280]  run_timer_softirq+0x52/0xb0
[  414.286353]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.291377]  __do_softirq+0x308/0xb7e
[  414.295187]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.299692]  ? lock_downgrade+0x900/0x900
[  414.303866]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.309003]  ? pvclock_read_flags+0x160/0x160
[  414.313511]  ? lapic_next_event+0x5a/0x90
[  414.317672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.323227]  ? kvm_clock_read+0x18/0x30
[  414.327207]  ? kvm_sched_clock_read+0x9/0x20
[  414.332058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.337608]  ? check_preemption_disabled+0x48/0x280
[  414.342645]  irq_exit+0x17f/0x1c0
[  414.346118]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.350996]  ? smp_reschedule_interrupt+0x109/0x650
[  414.356027]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.361929]  ? interrupt_entry+0xb5/0xc0
[  414.366004]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.371048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.376086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.380954]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.385991]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.391074]  ? task_prio+0x50/0x50
[  414.394640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.400195]  ? check_preemption_disabled+0x48/0x280
[  414.405223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.410082]  apic_timer_interrupt+0xf/0x20
[  414.414314]  </IRQ>
[  414.416552] RIP: 0010:console_unlock+0x102f/0x1190
[  414.421488] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  414.440949] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  414.448671] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  414.455959] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  414.463236] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  414.470515] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  414.477819] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  414.485132]  ? netconsole_netdev_event+0x280/0x280
[  414.490112]  ? console_unlock+0x1026/0x1190
[  414.494471]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  414.499141]  ? vprintk_emit+0x846/0x990
[  414.503148]  ? lock_release+0xa00/0xa00
[  414.507130]  ? trace_hardirqs_on+0x20/0x310
[  414.511459]  ? vprintk_default+0x28/0x30
[  414.515526]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.520641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.526191]  vprintk_emit+0x391/0x990
[  414.530008]  ? wake_up_klogd+0x180/0x180
[  414.534078]  ? match_held_lock+0x8c1/0x8d0
[  414.538336]  ? mark_held_locks+0xc7/0x130
[  414.542498]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.546996]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.551499]  vprintk_default+0x28/0x30
[  414.555394]  vprintk_func+0x7e/0x181
[  414.559115]  printk+0xa7/0xcf
[  414.562234]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  414.567003]  ? _raw_spin_unlock_irq+0x60/0x80
[  414.571516]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  414.576811]  dump_header+0x7cc/0xf72
[  414.580539]  ? pagefault_out_of_memory+0x197/0x197
[  414.585499]  ? __lock_acquire+0x62f/0x4c20
[  414.589739]  ? percpu_ref_get_many+0x240/0x240
[  414.594331]  ? print_usage_bug+0xc0/0xc0
[  414.598409]  ? zap_class+0x640/0x640
[  414.602134]  ? print_usage_bug+0xc0/0xc0
[  414.606228]  ? zap_class+0x640/0x640
[  414.609952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.615498]  ? find_held_lock+0x36/0x1c0
[  414.619579]  ? mark_held_locks+0xc7/0x130
[  414.623739]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.628848]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.633963]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.638552]  ? trace_hardirqs_on+0xbd/0x310
[  414.642879]  ? kasan_check_read+0x11/0x20
[  414.647033]  ? ___ratelimit+0x3b4/0x672
[  414.651012]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.656126]  ? trace_hardirqs_on+0x310/0x310
[  414.660543]  ? lock_downgrade+0x900/0x900
[  414.664707]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.669829]  ? ___ratelimit+0x3b9/0x672
[  414.673814]  ? idr_get_free+0xf70/0xf70
[  414.677800]  ? find_held_lock+0x36/0x1c0
[  414.681882]  oom_kill_process.cold.27+0x10/0x903
[  414.686643]  ? zap_class+0x640/0x640
[  414.690366]  ? check_preemption_disabled+0x48/0x280
[  414.695394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.700328]  ? kasan_check_read+0x11/0x20
[  414.704484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.709770]  ? oom_evaluate_task+0x540/0x540
[  414.714194]  ? find_held_lock+0x36/0x1c0
[  414.718270]  ? out_of_memory+0x974/0x1430
[  414.722425]  ? lock_downgrade+0x900/0x900
[  414.726578]  ? check_preemption_disabled+0x48/0x280
[  414.731616]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.736566]  ? kasan_check_read+0x11/0x20
[  414.740733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.746013]  ? rcu_softirq_qs+0x20/0x20
[  414.750019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.755567]  ? oom_evaluate_task+0x302/0x540
[  414.759995]  out_of_memory+0xa84/0x1430
[  414.763987]  ? oom_killer_disable+0x3a0/0x3a0
[  414.768490]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  414.773430]  ? __ww_mutex_check_waiters+0x160/0x160
[  414.778466]  __alloc_pages_slowpath+0x2354/0x2e10
[  414.783348]  ? warn_alloc+0x120/0x120
[  414.787164]  ? mark_held_locks+0x130/0x130
[  414.791416]  ? find_get_entry+0xaae/0x1120
[  414.795667]  ? filemap_map_pages+0x1a20/0x1a20
[  414.800261]  ? zap_class+0x640/0x640
[  414.803987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.809534]  ? check_preemption_disabled+0x48/0x280
[  414.814562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.820118]  ? should_fail+0x22d/0xd01
[  414.824031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.829149]  ? zap_class+0x640/0x640
[  414.832895]  ? __lock_is_held+0xb5/0x140
[  414.836978]  ? mark_held_locks+0x130/0x130
[  414.841222]  ? lock_release+0xa00/0xa00
[  414.845224]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.850687]  ? xa_load+0x2ba/0x460
[  414.854248]  ? lock_downgrade+0x900/0x900
[  414.858421]  ? __might_sleep+0x95/0x190
[  414.862427]  __alloc_pages_nodemask+0xa80/0xde0
[  414.867125]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.872176]  ? __page_cache_alloc+0x191/0x5c0
[  414.876677]  ? xa_load+0x2e1/0x460
[  414.880227]  ? xa_clear_mark+0x40/0x40
[  414.884127]  ? zap_class+0x640/0x640
[  414.887869]  ? zap_class+0x640/0x640
[  414.891589]  ? zap_class+0x640/0x640
[  414.895318]  ? __do_page_cache_readahead+0x663/0x810
[  414.900441]  ? find_held_lock+0x36/0x1c0
[  414.904522]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  414.910077]  alloc_pages_current+0x173/0x350
[  414.914514]  __page_cache_alloc+0x38c/0x5c0
[  414.918843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.923784]  ? kasan_check_read+0x11/0x20
[  414.927955]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.933256]  ? generic_perform_write+0x6a0/0x6a0
[  414.938027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.943581]  ? check_preemption_disabled+0x48/0x280
[  414.948646]  filemap_fault+0x1595/0x25f0
[  414.952733]  ? __lock_page_or_retry+0xa00/0xa00
[  414.957417]  ? mark_held_locks+0x130/0x130
[  414.961676]  ? filemap_map_pages+0xd6b/0x1a20
[  414.966191]  ? lock_downgrade+0x900/0x900
[  414.970349]  ? check_preemption_disabled+0x48/0x280
[  414.975385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.980328]  ? kasan_check_read+0x11/0x20
[  414.984489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.989776]  ? rcu_softirq_qs+0x20/0x20
[  414.993769]  ? filemap_map_pages+0xd92/0x1a20
[  414.998285]  ? find_get_entries_tag+0x1400/0x1400
[  415.003140]  ? debug_object_destroy+0x2b0/0x2b0
[  415.007815]  ? lock_pi_update_atomic+0x150/0x150
[  415.012577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.018148]  ? lock_acquire+0x1ed/0x520
[  415.022129]  ? ext4_filemap_fault+0x7a/0xad
[  415.026466]  ? lock_release+0xa00/0xa00
[  415.030477]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.035938]  ? print_usage_bug+0xc0/0xc0
[  415.040010]  ? print_usage_bug+0xc0/0xc0
[  415.044097]  ? down_read+0x8d/0x120
[  415.047729]  ? ext4_filemap_fault+0x7a/0xad
[  415.052073]  ? __down_interruptible+0x700/0x700
[  415.056780]  ext4_filemap_fault+0x82/0xad
[  415.060955]  __do_fault+0x100/0x6b0
[  415.064591]  ? pmd_devmap_trans_unstable+0x220/0x220
[  415.069716]  ? mark_held_locks+0x130/0x130
[  415.073957]  ? mark_held_locks+0x130/0x130
[  415.078206]  ? debug_smp_processor_id+0x1c/0x20
[  415.082881]  ? perf_trace_lock+0x14d/0x7a0
[  415.087130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.092684]  __handle_mm_fault+0x3ea6/0x5be0
[  415.097134]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  415.101989]  ? lock_is_held_type+0x210/0x210
[  415.106414]  ? ksys_dup3+0x680/0x680
[  415.110160]  ? zap_class+0x640/0x640
[  415.113881]  ? zap_class+0x640/0x640
[  415.117604]  ? __x64_sys_futex+0x53e/0x6a0
[  415.121854]  ? find_held_lock+0x36/0x1c0
[  415.125937]  ? handle_mm_fault+0x42a/0xc70
[  415.130188]  ? lock_downgrade+0x900/0x900
[  415.134344]  ? check_preemption_disabled+0x48/0x280
[  415.139374]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.144312]  ? kasan_check_read+0x11/0x20
[  415.148472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.153759]  ? rcu_softirq_qs+0x20/0x20
[  415.157739]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.162855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.168405]  ? check_preemption_disabled+0x48/0x280
[  415.173440]  handle_mm_fault+0x54f/0xc70
[  415.177515]  ? __handle_mm_fault+0x5be0/0x5be0
[  415.182122]  ? find_vma+0x34/0x190
[  415.185682]  __do_page_fault+0x5e8/0xe60
[  415.189750]  ? trace_hardirqs_off+0xb8/0x310
[  415.194188]  do_page_fault+0xf2/0x7e0
[  415.197996]  ? vmalloc_sync_all+0x30/0x30
[  415.202166]  ? error_entry+0x70/0xd0
[  415.205894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.210921]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.215859]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.220798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.225652]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.230676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  415.236145]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.241174]  ? page_fault+0x8/0x30
[  415.244727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.249583]  ? page_fault+0x8/0x30
[  415.253137]  page_fault+0x1e/0x30
[  415.256595] RIP: 0033:0x40f9c0
[  415.259814] Code: Bad RIP value.
[  415.263181] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  415.268546] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  415.275816] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  415.283088] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  415.290374] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  415.297664] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  415.304982] warn_alloc_show_mem: 1 callbacks suppressed
[  415.304995] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  415.304997] Mem-Info:
[  415.305028] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  415.305028]  active_file:15 inactive_file:12 isolated_file:0
[  415.305028]  unevictable:0 dirty:0 writeback:0 unstable:0
[  415.305028]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  415.305028]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  415.305028]  free:13790 free_pcp:473 free_cma:0
[  415.310391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.316820] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  415.319223] Call Trace:
[  415.352279] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  415.361650]  dump_stack+0x244/0x39d
[  415.389320] lowmem_reserve[]: 0 2818 6321 6321
[  415.391934]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.418021] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  415.421669]  warn_alloc.cold.116+0xb7/0x1bd
[  415.426211] lowmem_reserve[]: 0 0 3503 3503
[  415.431406]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.458896] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  415.463242]  ? lock_downgrade+0x900/0x900
[  415.467539] lowmem_reserve[]: 0 0 0 0
[  415.472388]  ? trace_hardirqs_off+0xb8/0x310
[  415.501517] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  415.505699]  ? trace_hardirqs_off+0xb8/0x310
[  415.509473] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  415.513887]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.527384] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  415.531840]  ? warn_alloc+0x120/0x120
[  415.547165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.552005]  ? print_usage_bug+0xc0/0xc0
[  415.567336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.571137]  ? warn_alloc+0x120/0x120
[  415.579951] 2571 total pagecache pages
[  415.584010]  ? warn_alloc+0x120/0x120
[  415.592572] 0 pages in swap cache
[  415.596366]  ? print_usage_bug+0xc0/0xc0
[  415.600255] Swap cache stats: add 0, delete 0, find 0/0
[  415.604054]  ? print_usage_bug+0xc0/0xc0
[  415.607485] Free swap  = 0kB
[  415.611543]  ? __lock_acquire+0x62f/0x4c20
[  415.616895] Total swap = 0kB
[  415.620968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.623961] 1965979 pages RAM
[  415.628194]  ? should_fail+0x22d/0xd01
[  415.631191] 0 pages HighMem/MovableOnly
[  415.636725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.639813] 342855 pages reserved
[  415.643700]  ? __lock_acquire+0x62f/0x4c20
[  415.647654] 0 pages cma reserved
[  415.652754]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.656244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.660411]  ? __lock_acquire+0x62f/0x4c20
[  415.660427]  ? should_fail+0x22d/0xd01
[  415.663838] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.668885]  ? find_held_lock+0x36/0x1c0
[  415.675386] syz-fuzzer cpuset=/ mems_allowed=0
[  415.679626]  ? mark_held_locks+0x130/0x130
[  415.706554]  ? mark_held_locks+0x130/0x130
[  415.710790]  ? zap_class+0x640/0x640
[  415.714515]  ? mark_held_locks+0xc7/0x130
[  415.718665]  ? do_raw_spin_unlock+0xa7/0x330
[  415.723073]  ? zap_class+0x640/0x640
[  415.726809]  ? print_usage_bug+0xc0/0xc0
[  415.730880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.736424]  ? check_preemption_disabled+0x48/0x280
[  415.741456]  ? __lock_is_held+0xb5/0x140
[  415.745540]  __alloc_pages_nodemask+0xa80/0xde0
[  415.750217]  ? zap_class+0x640/0x640
[  415.753940]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.758970]  ? find_held_lock+0x36/0x1c0
[  415.763060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.767746]  ? lock_downgrade+0x900/0x900
[  415.771909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.777459]  cache_grow_begin+0xa5/0x8c0
[  415.781528]  ? do_raw_spin_unlock+0xa7/0x330
[  415.785948]  fallback_alloc+0x204/0x2e0
[  415.789935]  ____cache_alloc_node+0x1c7/0x1e0
[  415.794440]  kmem_cache_alloc_node+0xe3/0x730
[  415.798943]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.803194]  __alloc_skb+0x119/0x770
[  415.806910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.812193]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.816603]  ? lock_downgrade+0x900/0x900
[  415.820763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.826304]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.831763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.837216]  ? addrconf_rs_timer+0x690/0x690
[  415.841645]  ndisc_alloc_skb+0x144/0x340
[  415.845746]  ndisc_send_rs+0x331/0x6e0
[  415.849646]  addrconf_rs_timer+0x314/0x690
[  415.853906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.858171]  call_timer_fn+0x272/0x920
[  415.862063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.866321]  ? process_timeout+0x40/0x40
[  415.870394]  ? __run_timers+0x7da/0xc70
[  415.874375]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.878873]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.883381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.887624]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.892222]  ? trace_hardirqs_on+0xbd/0x310
[  415.896553]  ? kasan_check_read+0x11/0x20
[  415.900704]  ? __run_timers+0x7da/0xc70
[  415.904684]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.909805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.914042]  __run_timers+0x7e5/0xc70
[  415.917861]  ? timer_fixup_init+0x70/0x70
[  415.922016]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.926519]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.931021]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.935625]  ? trace_hardirqs_on+0xbd/0x310
[  415.939951]  ? kasan_check_read+0x11/0x20
[  415.944120]  ? finish_task_switch+0x1f4/0x910
[  415.948637]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.953746]  ? compat_start_thread+0x80/0x80
[  415.958187]  ? pvclock_read_flags+0x160/0x160
[  415.962685]  ? __switch_to_asm+0x34/0x70
[  415.966755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.972298]  ? check_preemption_disabled+0x48/0x280
[  415.977334]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  415.982878]  ? rcu_pm_notify+0xc0/0xc0
[  415.986770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.992315]  ? check_preemption_disabled+0x48/0x280
[  415.997347]  run_timer_softirq+0x52/0xb0
[  416.001414]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.006435]  __do_softirq+0x308/0xb7e
[  416.010246]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.015187]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.020304]  ? schedule+0x108/0x460
[  416.023955]  ? trace_hardirqs_off+0xb8/0x310
[  416.028365]  ? smpboot_thread_fn+0x68b/0xa00
[  416.032775]  ? trace_hardirqs_on+0x310/0x310
[  416.037188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.042746]  ? check_preemption_disabled+0x48/0x280
[  416.047771]  ? takeover_tasklets+0xa90/0xa90
[  416.052190]  run_ksoftirqd+0x5e/0x100
[  416.055996]  smpboot_thread_fn+0x68b/0xa00
[  416.060237]  ? sort_range+0x30/0x30
[  416.063871]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.068979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.074519]  ? __kthread_parkme+0xfb/0x1a0
[  416.078761]  ? sort_range+0x30/0x30
[  416.082392]  kthread+0x35a/0x440
[  416.085783]  ? kthread_stop+0x900/0x900
[  416.089766]  ret_from_fork+0x3a/0x50
[  416.093504] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  416.093578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.100093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.100099] Call Trace:
[  416.100105]  <IRQ>
[  416.100125]  dump_stack+0x244/0x39d
[  416.100150]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.106717] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.115999]  warn_alloc.cold.116+0xb7/0x1bd
[  416.118555] ksoftirqd/0 cpuset=/ mems_allowed=0
[  416.120709]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.153623]  ? lock_downgrade+0x900/0x900
[  416.157782]  ? trace_hardirqs_off+0xb8/0x310
[  416.162204]  ? trace_hardirqs_off+0xb8/0x310
[  416.166633]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.171513]  ? warn_alloc+0x120/0x120
[  416.175324]  ? print_usage_bug+0xc0/0xc0
[  416.179389]  ? warn_alloc+0x120/0x120
[  416.183198]  ? warn_alloc+0x120/0x120
[  416.187007]  ? print_usage_bug+0xc0/0xc0
[  416.191090]  ? print_usage_bug+0xc0/0xc0
[  416.195160]  ? __lock_acquire+0x62f/0x4c20
[  416.199405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.204974]  ? should_fail+0x22d/0xd01
[  416.208873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.213979]  ? __lock_acquire+0x62f/0x4c20
[  416.218222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.223328]  ? __lock_acquire+0x62f/0x4c20
[  416.227563]  ? should_fail+0x22d/0xd01
[  416.231453]  ? find_held_lock+0x36/0x1c0
[  416.235529]  ? mark_held_locks+0x130/0x130
[  416.239773]  ? mark_held_locks+0x130/0x130
[  416.244009]  ? zap_class+0x640/0x640
[  416.247728]  ? zap_class+0x640/0x640
[  416.251447]  ? print_usage_bug+0xc0/0xc0
[  416.255508]  ? do_raw_spin_unlock+0xa7/0x330
[  416.259925]  ? zap_class+0x640/0x640
[  416.263645]  ? print_usage_bug+0xc0/0xc0
[  416.267712]  ? wq_watchdog_touch+0x9c/0xfe
[  416.271972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.277524]  ? check_preemption_disabled+0x48/0x280
[  416.282560]  ? __lock_is_held+0xb5/0x140
[  416.286639]  __alloc_pages_nodemask+0xa80/0xde0
[  416.291347]  ? zap_class+0x640/0x640
[  416.295074]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.300112]  ? find_held_lock+0x36/0x1c0
[  416.304192]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.308871]  ? lock_downgrade+0x900/0x900
[  416.313036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.318585]  cache_grow_begin+0xa5/0x8c0
[  416.322656]  ? do_raw_spin_unlock+0xa7/0x330
[  416.327077]  fallback_alloc+0x204/0x2e0
[  416.331243]  ____cache_alloc_node+0x1c7/0x1e0
[  416.335765]  kmem_cache_alloc_node+0xe3/0x730
[  416.340266]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.344519]  __alloc_skb+0x119/0x770
[  416.348251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.353535]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.357952]  ? lock_downgrade+0x900/0x900
[  416.362117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.367665]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.373150]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.378789]  ? addrconf_rs_timer+0x690/0x690
[  416.383229]  ndisc_alloc_skb+0x144/0x340
[  416.387300]  ndisc_send_rs+0x331/0x6e0
[  416.391204]  addrconf_rs_timer+0x314/0x690
[  416.395450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.399705]  call_timer_fn+0x272/0x920
[  416.403603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.407844]  ? process_timeout+0x40/0x40
[  416.411921]  ? mark_held_locks+0xc7/0x130
[  416.416079]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.420580]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.425081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.429321]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.433911]  ? trace_hardirqs_on+0xbd/0x310
[  416.438711]  ? kasan_check_read+0x11/0x20
[  416.442866]  ? __run_timers+0x7da/0xc70
[  416.446847]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.451965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.456211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.460447]  __run_timers+0x7e5/0xc70
[  416.464263]  ? timer_fixup_init+0x70/0x70
[  416.468416]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.473438]  ? zap_class+0x640/0x640
[  416.477159]  ? print_usage_bug+0xc0/0xc0
[  416.481229]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.486434]  ? find_held_lock+0x36/0x1c0
[  416.490516]  ? zap_class+0x640/0x640
[  416.494251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.499800]  ? check_preemption_disabled+0x48/0x280
[  416.504834]  ? __lock_is_held+0xb5/0x140
[  416.508901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.514441]  ? check_preemption_disabled+0x48/0x280
[  416.519470]  run_timer_softirq+0x52/0xb0
[  416.523536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.528579]  __do_softirq+0x308/0xb7e
[  416.532399]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.536896]  ? lock_downgrade+0x900/0x900
[  416.541051]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.546176]  ? pvclock_read_flags+0x160/0x160
[  416.550679]  ? lapic_next_event+0x5a/0x90
[  416.554850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.560403]  ? kvm_clock_read+0x18/0x30
[  416.564383]  ? kvm_sched_clock_read+0x9/0x20
[  416.568798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.574341]  ? check_preemption_disabled+0x48/0x280
[  416.579374]  irq_exit+0x17f/0x1c0
[  416.582838]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.587684]  ? smp_reschedule_interrupt+0x109/0x650
[  416.592705]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.598607]  ? interrupt_entry+0xb5/0xc0
[  416.602688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.607708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.612729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.617583]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.622612]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.627634]  ? task_prio+0x50/0x50
[  416.631182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.636727]  ? check_preemption_disabled+0x48/0x280
[  416.641770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.646649]  apic_timer_interrupt+0xf/0x20
[  416.650881]  </IRQ>
[  416.653126] RIP: 0010:console_unlock+0x102f/0x1190
[  416.658059] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  416.676975] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  416.684691] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  416.691963] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  416.699239] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  416.706513] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  416.713787] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  416.721075]  ? netconsole_netdev_event+0x280/0x280
[  416.726028]  ? console_unlock+0x1026/0x1190
[  416.730375]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  416.735051]  ? vprintk_emit+0x846/0x990
[  416.739044]  ? lock_release+0xa00/0xa00
[  416.743024]  ? trace_hardirqs_on+0x20/0x310
[  416.747352]  ? vprintk_default+0x28/0x30
[  416.751418]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.756528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.762078]  vprintk_emit+0x391/0x990
[  416.765902]  ? wake_up_klogd+0x180/0x180
[  416.769992]  ? match_held_lock+0x8c1/0x8d0
[  416.774243]  ? mark_held_locks+0xc7/0x130
[  416.778400]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.782902]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.787405]  vprintk_default+0x28/0x30
[  416.791298]  vprintk_func+0x7e/0x181
[  416.795016]  printk+0xa7/0xcf
[  416.798125]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  416.802894]  ? _raw_spin_unlock_irq+0x60/0x80
[  416.807408]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  416.812701]  dump_header+0x7cc/0xf72
[  416.816443]  ? pagefault_out_of_memory+0x197/0x197
[  416.821394]  ? __lock_acquire+0x62f/0x4c20
[  416.825640]  ? percpu_ref_get_many+0x240/0x240
[  416.830228]  ? print_usage_bug+0xc0/0xc0
[  416.834298]  ? zap_class+0x640/0x640
[  416.838020]  ? print_usage_bug+0xc0/0xc0
[  416.842096]  ? zap_class+0x640/0x640
[  416.845819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.851366]  ? find_held_lock+0x36/0x1c0
[  416.855441]  ? mark_held_locks+0xc7/0x130
[  416.859604]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.864710]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.869818]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.874411]  ? trace_hardirqs_on+0xbd/0x310
[  416.878735]  ? kasan_check_read+0x11/0x20
[  416.882885]  ? ___ratelimit+0x3b4/0x672
[  416.886864]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.891972]  ? trace_hardirqs_on+0x310/0x310
[  416.896386]  ? lock_downgrade+0x900/0x900
[  416.900560]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.905670]  ? ___ratelimit+0x3b9/0x672
[  416.909649]  ? idr_get_free+0xf70/0xf70
[  416.913630]  ? find_held_lock+0x36/0x1c0
[  416.917709]  oom_kill_process.cold.27+0x10/0x903
[  416.922485]  ? zap_class+0x640/0x640
[  416.926203]  ? check_preemption_disabled+0x48/0x280
[  416.931225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.936158]  ? kasan_check_read+0x11/0x20
[  416.940312]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.945596]  ? oom_evaluate_task+0x540/0x540
[  416.950020]  ? find_held_lock+0x36/0x1c0
[  416.954100]  ? out_of_memory+0x974/0x1430
[  416.958259]  ? lock_downgrade+0x900/0x900
[  416.962414]  ? check_preemption_disabled+0x48/0x280
[  416.967437]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.972382]  ? kasan_check_read+0x11/0x20
[  416.976535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.981814]  ? rcu_softirq_qs+0x20/0x20
[  416.985798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.991336]  ? oom_evaluate_task+0x302/0x540
[  416.995758]  out_of_memory+0xa84/0x1430
[  416.999749]  ? oom_killer_disable+0x3a0/0x3a0
[  417.004250]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  417.009190]  ? __ww_mutex_check_waiters+0x160/0x160
[  417.014227]  __alloc_pages_slowpath+0x2354/0x2e10
[  417.019112]  ? warn_alloc+0x120/0x120
[  417.022917]  ? mark_held_locks+0x130/0x130
[  417.027162]  ? find_get_entry+0xaae/0x1120
[  417.031413]  ? filemap_map_pages+0x1a20/0x1a20
[  417.036005]  ? zap_class+0x640/0x640
[  417.039734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.045276]  ? check_preemption_disabled+0x48/0x280
[  417.050294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.055838]  ? should_fail+0x22d/0xd01
[  417.059731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.064839]  ? zap_class+0x640/0x640
[  417.068584]  ? __lock_is_held+0xb5/0x140
[  417.072688]  ? mark_held_locks+0x130/0x130
[  417.076930]  ? lock_release+0xa00/0xa00
[  417.080910]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.086368]  ? xa_load+0x2ba/0x460
[  417.089913]  ? lock_downgrade+0x900/0x900
[  417.094072]  ? __might_sleep+0x95/0x190
[  417.098063]  __alloc_pages_nodemask+0xa80/0xde0
[  417.102751]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.107773]  ? __page_cache_alloc+0x191/0x5c0
[  417.112271]  ? xa_load+0x2e1/0x460
[  417.115815]  ? xa_clear_mark+0x40/0x40
[  417.119708]  ? zap_class+0x640/0x640
[  417.123450]  ? zap_class+0x640/0x640
[  417.127166]  ? zap_class+0x640/0x640
[  417.130888]  ? __do_page_cache_readahead+0x663/0x810
[  417.136001]  ? find_held_lock+0x36/0x1c0
[  417.140072]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  417.145636]  alloc_pages_current+0x173/0x350
[  417.150070]  __page_cache_alloc+0x38c/0x5c0
[  417.154404]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.159337]  ? kasan_check_read+0x11/0x20
[  417.163488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.168771]  ? generic_perform_write+0x6a0/0x6a0
[  417.173542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.179098]  ? check_preemption_disabled+0x48/0x280
[  417.184130]  filemap_fault+0x1595/0x25f0
[  417.188212]  ? __lock_page_or_retry+0xa00/0xa00
[  417.192889]  ? mark_held_locks+0x130/0x130
[  417.197142]  ? filemap_map_pages+0xd6b/0x1a20
[  417.201646]  ? lock_downgrade+0x900/0x900
[  417.205797]  ? check_preemption_disabled+0x48/0x280
[  417.210821]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.215752]  ? kasan_check_read+0x11/0x20
[  417.219903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.225187]  ? rcu_softirq_qs+0x20/0x20
[  417.229185]  ? filemap_map_pages+0xd92/0x1a20
[  417.233701]  ? find_get_entries_tag+0x1400/0x1400
[  417.238554]  ? debug_object_destroy+0x2b0/0x2b0
[  417.243228]  ? lock_pi_update_atomic+0x150/0x150
[  417.247988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.253544]  ? lock_acquire+0x1ed/0x520
[  417.257519]  ? ext4_filemap_fault+0x7a/0xad
[  417.261854]  ? lock_release+0xa00/0xa00
[  417.265830]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.271290]  ? print_usage_bug+0xc0/0xc0
[  417.275355]  ? print_usage_bug+0xc0/0xc0
[  417.279437]  ? down_read+0x8d/0x120
[  417.283066]  ? ext4_filemap_fault+0x7a/0xad
[  417.287403]  ? __down_interruptible+0x700/0x700
[  417.292093]  ext4_filemap_fault+0x82/0xad
[  417.296250]  __do_fault+0x100/0x6b0
[  417.299885]  ? pmd_devmap_trans_unstable+0x220/0x220
[  417.304996]  ? mark_held_locks+0x130/0x130
[  417.309236]  ? mark_held_locks+0x130/0x130
[  417.313478]  ? debug_smp_processor_id+0x1c/0x20
[  417.318149]  ? perf_trace_lock+0x14d/0x7a0
[  417.322394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.327946]  __handle_mm_fault+0x3ea6/0x5be0
[  417.332374]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  417.337222]  ? lock_is_held_type+0x210/0x210
[  417.341643]  ? ksys_dup3+0x680/0x680
[  417.345376]  ? zap_class+0x640/0x640
[  417.349095]  ? zap_class+0x640/0x640
[  417.352813]  ? __x64_sys_futex+0x53e/0x6a0
[  417.357055]  ? find_held_lock+0x36/0x1c0
[  417.361133]  ? handle_mm_fault+0x42a/0xc70
[  417.365373]  ? lock_downgrade+0x900/0x900
[  417.369524]  ? check_preemption_disabled+0x48/0x280
[  417.374549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.379484]  ? kasan_check_read+0x11/0x20
[  417.383637]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.388921]  ? rcu_softirq_qs+0x20/0x20
[  417.392902]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.398012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.403556]  ? check_preemption_disabled+0x48/0x280
[  417.408587]  handle_mm_fault+0x54f/0xc70
[  417.412664]  ? __handle_mm_fault+0x5be0/0x5be0
[  417.417256]  ? find_vma+0x34/0x190
[  417.420819]  __do_page_fault+0x5e8/0xe60
[  417.424883]  ? trace_hardirqs_off+0xb8/0x310
[  417.429312]  do_page_fault+0xf2/0x7e0
[  417.433118]  ? vmalloc_sync_all+0x30/0x30
[  417.437273]  ? error_entry+0x70/0xd0
[  417.440990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.446040]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.450977]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.455912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.460764]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.465784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.471242]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.476289]  ? page_fault+0x8/0x30
[  417.479844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.484694]  ? page_fault+0x8/0x30
[  417.488237]  page_fault+0x1e/0x30
[  417.491691] RIP: 0033:0x40f9c0
[  417.494899] Code: Bad RIP value.
[  417.498266] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  417.503631] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  417.510902] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  417.518172] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  417.525442] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  417.532714] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  417.540023] warn_alloc_show_mem: 1 callbacks suppressed
[  417.540035] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  417.540037] Mem-Info:
[  417.540068] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  417.540068]  active_file:15 inactive_file:12 isolated_file:0
[  417.540068]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.540068]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  417.540068]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  417.540068]  free:13790 free_pcp:473 free_cma:0
[  417.545425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.551842] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.554245] Call Trace:
[  417.587294] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  417.596678]  dump_stack+0x244/0x39d
[  417.624323] lowmem_reserve[]: 0 2818 6321 6321
[  417.626934]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.653030] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  417.656673]  warn_alloc.cold.116+0xb7/0x1bd
[  417.661216] lowmem_reserve[]: 0 0 3503 3503
[  417.666407]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.693887] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  417.698218]  ? lock_downgrade+0x900/0x900
[  417.702511] lowmem_reserve[]: 0 0 0 0
[  417.707370]  ? trace_hardirqs_off+0xb8/0x310
[  417.736495] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  417.740650]  ? trace_hardirqs_off+0xb8/0x310
[  417.744426] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  417.748836]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.762355] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  417.766795]  ? warn_alloc+0x120/0x120
[  417.782095] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.782116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.786956]  ? print_usage_bug+0xc0/0xc0
[  417.802294] 2571 total pagecache pages
[  417.806118]  ? warn_alloc+0x120/0x120
[  417.814927] 0 pages in swap cache
[  417.823509]  ? warn_alloc+0x120/0x120
[  417.827548] Swap cache stats: add 0, delete 0, find 0/0
[  417.831429]  ? print_usage_bug+0xc0/0xc0
[  417.835211] Free swap  = 0kB
[  417.838664]  ? print_usage_bug+0xc0/0xc0
[  417.842440] Total swap = 0kB
[  417.847812]  ? __lock_acquire+0x62f/0x4c20
[  417.851845] 1965979 pages RAM
[  417.854866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.858905] 0 pages HighMem/MovableOnly
[  417.861923]  ? should_fail+0x22d/0xd01
[  417.866133] 342855 pages reserved
[  417.866142] 0 pages cma reserved
[  417.869252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.874828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.878744]  ? __lock_acquire+0x62f/0x4c20
[  417.882671] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.886071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.889424] syz-fuzzer cpuset=/ mems_allowed=0
[  417.894526]  ? __lock_acquire+0x62f/0x4c20
[  417.929325]  ? should_fail+0x22d/0xd01
[  417.933227]  ? find_held_lock+0x36/0x1c0
[  417.937302]  ? mark_held_locks+0x130/0x130
[  417.941544]  ? mark_held_locks+0x130/0x130
[  417.945786]  ? zap_class+0x640/0x640
[  417.949509]  ? mark_held_locks+0xc7/0x130
[  417.953660]  ? do_raw_spin_unlock+0xa7/0x330
[  417.958077]  ? zap_class+0x640/0x640
[  417.961796]  ? print_usage_bug+0xc0/0xc0
[  417.965883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.971428]  ? check_preemption_disabled+0x48/0x280
[  417.976460]  ? __lock_is_held+0xb5/0x140
[  417.980534]  __alloc_pages_nodemask+0xa80/0xde0
[  417.985214]  ? zap_class+0x640/0x640
[  417.988954]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.994013]  ? find_held_lock+0x36/0x1c0
[  417.998090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.002771]  ? lock_downgrade+0x900/0x900
[  418.006930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.012478]  cache_grow_begin+0xa5/0x8c0
[  418.016545]  ? do_raw_spin_unlock+0xa7/0x330
[  418.020967]  fallback_alloc+0x204/0x2e0
[  418.024955]  ____cache_alloc_node+0x1c7/0x1e0
[  418.029467]  kmem_cache_alloc_node+0xe3/0x730
[  418.033970]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.038227]  __alloc_skb+0x119/0x770
[  418.041944]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.047245]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.051664]  ? lock_downgrade+0x900/0x900
[  418.055835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.061399]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.066860]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.072319]  ? addrconf_rs_timer+0x690/0x690
[  418.076744]  ndisc_alloc_skb+0x144/0x340
[  418.080814]  ndisc_send_rs+0x331/0x6e0
[  418.084710]  addrconf_rs_timer+0x314/0x690
[  418.088957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.093212]  call_timer_fn+0x272/0x920
[  418.097108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.101352]  ? process_timeout+0x40/0x40
[  418.105423]  ? __run_timers+0x7da/0xc70
[  418.109405]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.113904]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.118398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.122637]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.127226]  ? trace_hardirqs_on+0xbd/0x310
[  418.131560]  ? kasan_check_read+0x11/0x20
[  418.135712]  ? __run_timers+0x7da/0xc70
[  418.139697]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.144812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.149057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.153298]  __run_timers+0x7e5/0xc70
[  418.157130]  ? timer_fixup_init+0x70/0x70
[  418.161287]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.165785]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.170297]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.174884]  ? trace_hardirqs_on+0xbd/0x310
[  418.179212]  ? kasan_check_read+0x11/0x20
[  418.183367]  ? finish_task_switch+0x1f4/0x910
[  418.187872]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.192978]  ? compat_start_thread+0x80/0x80
[  418.197414]  ? pvclock_read_flags+0x160/0x160
[  418.201913]  ? __switch_to_asm+0x34/0x70
[  418.205977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.211521]  ? check_preemption_disabled+0x48/0x280
[  418.216551]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  418.222108]  ? rcu_pm_notify+0xc0/0xc0
[  418.226007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.231557]  ? check_preemption_disabled+0x48/0x280
[  418.236583]  run_timer_softirq+0x52/0xb0
[  418.240658]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.245724]  __do_softirq+0x308/0xb7e
[  418.249540]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.254481]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.259604]  ? schedule+0x108/0x460
[  418.263251]  ? trace_hardirqs_off+0xb8/0x310
[  418.267669]  ? smpboot_thread_fn+0x68b/0xa00
[  418.272088]  ? trace_hardirqs_on+0x310/0x310
[  418.276516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.282087]  ? check_preemption_disabled+0x48/0x280
[  418.287129]  ? takeover_tasklets+0xa90/0xa90
[  418.291551]  run_ksoftirqd+0x5e/0x100
[  418.295359]  smpboot_thread_fn+0x68b/0xa00
[  418.299601]  ? sort_range+0x30/0x30
[  418.303238]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.308347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.313889]  ? __kthread_parkme+0xfb/0x1a0
[  418.318134]  ? sort_range+0x30/0x30
[  418.321766]  kthread+0x35a/0x440
[  418.325141]  ? kthread_stop+0x900/0x900
[  418.329656]  ret_from_fork+0x3a/0x50
[  418.333400] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  418.333474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.339988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.339994] Call Trace:
[  418.340001]  <IRQ>
[  418.340018]  dump_stack+0x244/0x39d
[  418.340039]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.346611] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.355885]  warn_alloc.cold.116+0xb7/0x1bd
[  418.358440] ksoftirqd/0 cpuset=/ mems_allowed=0
[  418.360591]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.393548]  ? lock_downgrade+0x900/0x900
[  418.397713]  ? trace_hardirqs_off+0xb8/0x310
[  418.402134]  ? trace_hardirqs_off+0xb8/0x310
[  418.406561]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.411448]  ? warn_alloc+0x120/0x120
[  418.415257]  ? print_usage_bug+0xc0/0xc0
[  418.419328]  ? warn_alloc+0x120/0x120
[  418.423160]  ? warn_alloc+0x120/0x120
[  418.426980]  ? print_usage_bug+0xc0/0xc0
[  418.431053]  ? print_usage_bug+0xc0/0xc0
[  418.435507]  ? __lock_acquire+0x62f/0x4c20
[  418.439765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.445306]  ? should_fail+0x22d/0xd01
[  418.449202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.454322]  ? __lock_acquire+0x62f/0x4c20
[  418.458566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.463693]  ? __lock_acquire+0x62f/0x4c20
[  418.467930]  ? should_fail+0x22d/0xd01
[  418.471821]  ? find_held_lock+0x36/0x1c0
[  418.475908]  ? mark_held_locks+0x130/0x130
[  418.480180]  ? mark_held_locks+0x130/0x130
[  418.484418]  ? zap_class+0x640/0x640
[  418.488155]  ? zap_class+0x640/0x640
[  418.491878]  ? print_usage_bug+0xc0/0xc0
[  418.495942]  ? do_raw_spin_unlock+0xa7/0x330
[  418.500355]  ? zap_class+0x640/0x640
[  418.504074]  ? print_usage_bug+0xc0/0xc0
[  418.508145]  ? wq_watchdog_touch+0x9c/0xfe
[  418.512389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.517935]  ? check_preemption_disabled+0x48/0x280
[  418.522965]  ? __lock_is_held+0xb5/0x140
[  418.527041]  __alloc_pages_nodemask+0xa80/0xde0
[  418.531717]  ? zap_class+0x640/0x640
[  418.535439]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.540472]  ? find_held_lock+0x36/0x1c0
[  418.544550]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.549243]  ? lock_downgrade+0x900/0x900
[  418.553403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.558948]  cache_grow_begin+0xa5/0x8c0
[  418.563011]  ? do_raw_spin_unlock+0xa7/0x330
[  418.567429]  fallback_alloc+0x204/0x2e0
[  418.571429]  ____cache_alloc_node+0x1c7/0x1e0
[  418.575937]  kmem_cache_alloc_node+0xe3/0x730
[  418.580437]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.584688]  __alloc_skb+0x119/0x770
[  418.588404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.593687]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.598131]  ? lock_downgrade+0x900/0x900
[  418.602293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.607833]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.613294]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.618772]  ? addrconf_rs_timer+0x690/0x690
[  418.623210]  ndisc_alloc_skb+0x144/0x340
[  418.627290]  ndisc_send_rs+0x331/0x6e0
[  418.631194]  addrconf_rs_timer+0x314/0x690
[  418.635449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.639717]  call_timer_fn+0x272/0x920
[  418.643620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.647858]  ? process_timeout+0x40/0x40
[  418.651934]  ? mark_held_locks+0xc7/0x130
[  418.656096]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.660609]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.665110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.669351]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.673943]  ? trace_hardirqs_on+0xbd/0x310
[  418.678270]  ? kasan_check_read+0x11/0x20
[  418.682422]  ? __run_timers+0x7da/0xc70
[  418.686399]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.691525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.695765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.700001]  __run_timers+0x7e5/0xc70
[  418.703818]  ? timer_fixup_init+0x70/0x70
[  418.707973]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.712994]  ? zap_class+0x640/0x640
[  418.716721]  ? print_usage_bug+0xc0/0xc0
[  418.720788]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.725998]  ? find_held_lock+0x36/0x1c0
[  418.730068]  ? zap_class+0x640/0x640
[  418.733799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.739341]  ? check_preemption_disabled+0x48/0x280
[  418.744375]  ? __lock_is_held+0xb5/0x140
[  418.748443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.753998]  ? check_preemption_disabled+0x48/0x280
[  418.759027]  run_timer_softirq+0x52/0xb0
[  418.763097]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.768124]  __do_softirq+0x308/0xb7e
[  418.771936]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.776431]  ? lock_downgrade+0x900/0x900
[  418.780587]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.785708]  ? pvclock_read_flags+0x160/0x160
[  418.790210]  ? lapic_next_event+0x5a/0x90
[  418.794363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.799924]  ? kvm_clock_read+0x18/0x30
[  418.803900]  ? kvm_sched_clock_read+0x9/0x20
[  418.808323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.813863]  ? check_preemption_disabled+0x48/0x280
[  418.818917]  irq_exit+0x17f/0x1c0
[  418.822388]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.827256]  ? smp_reschedule_interrupt+0x109/0x650
[  418.832286]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.838174]  ? interrupt_entry+0xb5/0xc0
[  418.842244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.847268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.852303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.857162]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.862183]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.867232]  ? task_prio+0x50/0x50
[  418.870781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.876321]  ? check_preemption_disabled+0x48/0x280
[  418.881347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.886202]  apic_timer_interrupt+0xf/0x20
[  418.890434]  </IRQ>
[  418.892676] RIP: 0010:console_unlock+0x102f/0x1190
[  418.897615] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  418.916533] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  418.924251] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  418.931523] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  418.938818] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  418.946103] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  418.953375] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  418.960667]  ? netconsole_netdev_event+0x280/0x280
[  418.965611]  ? console_unlock+0x1026/0x1190
[  418.969961]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  418.974631]  ? vprintk_emit+0x846/0x990
[  418.978621]  ? lock_release+0xa00/0xa00
[  418.982632]  ? trace_hardirqs_on+0x20/0x310
[  418.986970]  ? vprintk_default+0x28/0x30
[  418.991063]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.996195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.001740]  vprintk_emit+0x391/0x990
[  419.005546]  ? wake_up_klogd+0x180/0x180
[  419.009624]  ? match_held_lock+0x8c1/0x8d0
[  419.013874]  ? mark_held_locks+0xc7/0x130
[  419.018055]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.022558]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.027065]  vprintk_default+0x28/0x30
[  419.030974]  vprintk_func+0x7e/0x181
[  419.034715]  printk+0xa7/0xcf
[  419.037822]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  419.042591]  ? _raw_spin_unlock_irq+0x60/0x80
[  419.047116]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  419.052409]  dump_header+0x7cc/0xf72
[  419.056151]  ? pagefault_out_of_memory+0x197/0x197
[  419.061126]  ? __lock_acquire+0x62f/0x4c20
[  419.065368]  ? percpu_ref_get_many+0x240/0x240
[  419.069960]  ? print_usage_bug+0xc0/0xc0
[  419.074031]  ? zap_class+0x640/0x640
[  419.077768]  ? print_usage_bug+0xc0/0xc0
[  419.081832]  ? zap_class+0x640/0x640
[  419.085551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.091102]  ? find_held_lock+0x36/0x1c0
[  419.095179]  ? mark_held_locks+0xc7/0x130
[  419.099336]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.104479]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.109589]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.114187]  ? trace_hardirqs_on+0xbd/0x310
[  419.118513]  ? kasan_check_read+0x11/0x20
[  419.122665]  ? ___ratelimit+0x3b4/0x672
[  419.126666]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.131777]  ? trace_hardirqs_on+0x310/0x310
[  419.136191]  ? lock_downgrade+0x900/0x900
[  419.140348]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.145458]  ? ___ratelimit+0x3b9/0x672
[  419.149437]  ? idr_get_free+0xf70/0xf70
[  419.153420]  ? find_held_lock+0x36/0x1c0
[  419.157505]  oom_kill_process.cold.27+0x10/0x903
[  419.162266]  ? zap_class+0x640/0x640
[  419.165984]  ? check_preemption_disabled+0x48/0x280
[  419.171006]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.175939]  ? kasan_check_read+0x11/0x20
[  419.180093]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.185377]  ? oom_evaluate_task+0x540/0x540
[  419.189792]  ? find_held_lock+0x36/0x1c0
[  419.193861]  ? out_of_memory+0x974/0x1430
[  419.198024]  ? lock_downgrade+0x900/0x900
[  419.202175]  ? check_preemption_disabled+0x48/0x280
[  419.207197]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.212127]  ? kasan_check_read+0x11/0x20
[  419.216278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.221564]  ? rcu_softirq_qs+0x20/0x20
[  419.225551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.231095]  ? oom_evaluate_task+0x302/0x540
[  419.235517]  out_of_memory+0xa84/0x1430
[  419.239508]  ? oom_killer_disable+0x3a0/0x3a0
[  419.244014]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  419.248957]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.253992]  __alloc_pages_slowpath+0x2354/0x2e10
[  419.258873]  ? warn_alloc+0x120/0x120
[  419.262705]  ? mark_held_locks+0x130/0x130
[  419.266966]  ? find_get_entry+0xaae/0x1120
[  419.271220]  ? filemap_map_pages+0x1a20/0x1a20
[  419.275820]  ? zap_class+0x640/0x640
[  419.279544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.285118]  ? check_preemption_disabled+0x48/0x280
[  419.290145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.295686]  ? should_fail+0x22d/0xd01
[  419.299584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.304701]  ? zap_class+0x640/0x640
[  419.308451]  ? __lock_is_held+0xb5/0x140
[  419.312533]  ? mark_held_locks+0x130/0x130
[  419.316780]  ? lock_release+0xa00/0xa00
[  419.320764]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.326222]  ? xa_load+0x2ba/0x460
[  419.329778]  ? lock_downgrade+0x900/0x900
[  419.333938]  ? __might_sleep+0x95/0x190
[  419.337925]  __alloc_pages_nodemask+0xa80/0xde0
[  419.342622]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.347646]  ? __page_cache_alloc+0x191/0x5c0
[  419.352168]  ? xa_load+0x2e1/0x460
[  419.355743]  ? xa_clear_mark+0x40/0x40
[  419.359653]  ? zap_class+0x640/0x640
[  419.363383]  ? zap_class+0x640/0x640
[  419.367228]  ? zap_class+0x640/0x640
[  419.370952]  ? __do_page_cache_readahead+0x663/0x810
[  419.376074]  ? find_held_lock+0x36/0x1c0
[  419.380152]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.385705]  alloc_pages_current+0x173/0x350
[  419.390124]  __page_cache_alloc+0x38c/0x5c0
[  419.394449]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.399382]  ? kasan_check_read+0x11/0x20
[  419.403536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.408831]  ? generic_perform_write+0x6a0/0x6a0
[  419.413595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.419158]  ? check_preemption_disabled+0x48/0x280
[  419.424190]  filemap_fault+0x1595/0x25f0
[  419.428272]  ? __lock_page_or_retry+0xa00/0xa00
[  419.432949]  ? mark_held_locks+0x130/0x130
[  419.437212]  ? filemap_map_pages+0xd6b/0x1a20
[  419.441739]  ? lock_downgrade+0x900/0x900
[  419.445897]  ? check_preemption_disabled+0x48/0x280
[  419.450926]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.455858]  ? kasan_check_read+0x11/0x20
[  419.460009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.465292]  ? rcu_softirq_qs+0x20/0x20
[  419.469295]  ? filemap_map_pages+0xd92/0x1a20
[  419.473812]  ? find_get_entries_tag+0x1400/0x1400
[  419.478673]  ? debug_object_destroy+0x2b0/0x2b0
[  419.483344]  ? lock_pi_update_atomic+0x150/0x150
[  419.488100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.493684]  ? lock_acquire+0x1ed/0x520
[  419.497682]  ? ext4_filemap_fault+0x7a/0xad
[  419.502016]  ? lock_release+0xa00/0xa00
[  419.505995]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.511449]  ? print_usage_bug+0xc0/0xc0
[  419.515544]  ? print_usage_bug+0xc0/0xc0
[  419.519635]  ? down_read+0x8d/0x120
[  419.523260]  ? ext4_filemap_fault+0x7a/0xad
[  419.527590]  ? __down_interruptible+0x700/0x700
[  419.532310]  ext4_filemap_fault+0x82/0xad
[  419.536484]  __do_fault+0x100/0x6b0
[  419.540118]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.545234]  ? mark_held_locks+0x130/0x130
[  419.549500]  ? mark_held_locks+0x130/0x130
[  419.553753]  ? debug_smp_processor_id+0x1c/0x20
[  419.558441]  ? perf_trace_lock+0x14d/0x7a0
[  419.562688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.568239]  __handle_mm_fault+0x3ea6/0x5be0
[  419.572672]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.577519]  ? lock_is_held_type+0x210/0x210
[  419.581941]  ? ksys_dup3+0x680/0x680
[  419.585680]  ? zap_class+0x640/0x640
[  419.589409]  ? zap_class+0x640/0x640
[  419.593127]  ? __x64_sys_futex+0x53e/0x6a0
[  419.597375]  ? find_held_lock+0x36/0x1c0
[  419.601449]  ? handle_mm_fault+0x42a/0xc70
[  419.605686]  ? lock_downgrade+0x900/0x900
[  419.609836]  ? check_preemption_disabled+0x48/0x280
[  419.614871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.619803]  ? kasan_check_read+0x11/0x20
[  419.623953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.629230]  ? rcu_softirq_qs+0x20/0x20
[  419.633206]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.638322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.643962]  ? check_preemption_disabled+0x48/0x280
[  419.648994]  handle_mm_fault+0x54f/0xc70
[  419.653063]  ? __handle_mm_fault+0x5be0/0x5be0
[  419.657657]  ? find_vma+0x34/0x190
[  419.661206]  __do_page_fault+0x5e8/0xe60
[  419.665274]  ? trace_hardirqs_off+0xb8/0x310
[  419.669699]  do_page_fault+0xf2/0x7e0
[  419.673505]  ? vmalloc_sync_all+0x30/0x30
[  419.677671]  ? error_entry+0x70/0xd0
[  419.681401]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.686422]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.691370]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.696301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.701178]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.706213]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.711684]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.716710]  ? page_fault+0x8/0x30
[  419.720261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.725117]  ? page_fault+0x8/0x30
[  419.728671]  page_fault+0x1e/0x30
[  419.732144] RIP: 0033:0x40f9c0
[  419.735350] Code: Bad RIP value.
[  419.738711] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  419.744102] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  419.751370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  419.758643] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  419.765934] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  419.773211] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  419.780510] warn_alloc_show_mem: 1 callbacks suppressed
[  419.780522] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  419.780524] Mem-Info:
[  419.780555] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  419.780555]  active_file:15 inactive_file:12 isolated_file:0
[  419.780555]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.780555]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  419.780555]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  419.780555]  free:13790 free_pcp:473 free_cma:0
[  419.785901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.792314] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.794716] Call Trace:
[  419.827760] 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
[  419.837129]  dump_stack+0x244/0x39d
[  419.864772] lowmem_reserve[]: 0 2818 6321 6321
[  419.867357]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.893448] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  419.897103]  warn_alloc.cold.116+0xb7/0x1bd
[  419.901647] lowmem_reserve[]: 0 0 3503 3503
[  419.906864]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.934343] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  419.938670]  ? lock_downgrade+0x900/0x900
[  419.942968] lowmem_reserve[]: 0 0 0 0
[  419.947823]  ? trace_hardirqs_off+0xb8/0x310
[  419.976964] 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
[  419.981126]  ? trace_hardirqs_off+0xb8/0x310
[  419.984904] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  419.989316]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.002813] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  420.007249]  ? warn_alloc+0x120/0x120
[  420.022553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.027386]  ? print_usage_bug+0xc0/0xc0
[  420.042719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.046507]  ? warn_alloc+0x120/0x120
[  420.055344] 2571 total pagecache pages
[  420.059412]  ? warn_alloc+0x120/0x120
[  420.067970] 0 pages in swap cache
[  420.071760]  ? print_usage_bug+0xc0/0xc0
[  420.075646] Swap cache stats: add 0, delete 0, find 0/0
[  420.079440]  ? print_usage_bug+0xc0/0xc0
[  420.082897] Free swap  = 0kB
[  420.086953]  ? __lock_acquire+0x62f/0x4c20
[  420.092295] Total swap = 0kB
[  420.096358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.099366] 1965979 pages RAM
[  420.103597]  ? should_fail+0x22d/0xd01
[  420.106604] 0 pages HighMem/MovableOnly
[  420.112136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.115227] 342855 pages reserved
[  420.119122]  ? __lock_acquire+0x62f/0x4c20
[  420.123073] 0 pages cma reserved
[  420.128197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.131703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.135871]  ? __lock_acquire+0x62f/0x4c20
[  420.135883]  ? should_fail+0x22d/0xd01
[  420.135898]  ? find_held_lock+0x36/0x1c0
[  420.135925]  ? mark_held_locks+0x130/0x130
[  420.139323] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.144367]  ? mark_held_locks+0x130/0x130
[  420.150847] syz-fuzzer cpuset=/ mems_allowed=0
[  420.155076]  ? zap_class+0x640/0x640
[  420.189928]  ? mark_held_locks+0xc7/0x130
[  420.194076]  ? do_raw_spin_unlock+0xa7/0x330
[  420.198512]  ? zap_class+0x640/0x640
[  420.202228]  ? print_usage_bug+0xc0/0xc0
[  420.206300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.211839]  ? check_preemption_disabled+0x48/0x280
[  420.216868]  ? __lock_is_held+0xb5/0x140
[  420.220940]  __alloc_pages_nodemask+0xa80/0xde0
[  420.225612]  ? zap_class+0x640/0x640
[  420.229340]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.234373]  ? find_held_lock+0x36/0x1c0
[  420.238450]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.243140]  ? lock_downgrade+0x900/0x900
[  420.247330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.252881]  cache_grow_begin+0xa5/0x8c0
[  420.256948]  ? do_raw_spin_unlock+0xa7/0x330
[  420.261366]  fallback_alloc+0x204/0x2e0
[  420.265354]  ____cache_alloc_node+0x1c7/0x1e0
[  420.269859]  kmem_cache_alloc_node+0xe3/0x730
[  420.274356]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.278612]  __alloc_skb+0x119/0x770
[  420.282328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.287613]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.292035]  ? lock_downgrade+0x900/0x900
[  420.296197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.301738]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.307193]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.312659]  ? addrconf_rs_timer+0x690/0x690
[  420.317092]  ndisc_alloc_skb+0x144/0x340
[  420.321182]  ndisc_send_rs+0x331/0x6e0
[  420.325094]  addrconf_rs_timer+0x314/0x690
[  420.329827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.334080]  call_timer_fn+0x272/0x920
[  420.337981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.342223]  ? process_timeout+0x40/0x40
[  420.346300]  ? __run_timers+0x7da/0xc70
[  420.350282]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.354780]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.359273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.363512]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.368111]  ? trace_hardirqs_on+0xbd/0x310
[  420.372438]  ? kasan_check_read+0x11/0x20
[  420.376587]  ? __run_timers+0x7da/0xc70
[  420.380602]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.385737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.390736]  __run_timers+0x7e5/0xc70
[  420.394553]  ? timer_fixup_init+0x70/0x70
[  420.398718]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.403229]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.407729]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.412331]  ? trace_hardirqs_on+0xbd/0x310
[  420.416657]  ? kasan_check_read+0x11/0x20
[  420.420813]  ? finish_task_switch+0x1f4/0x910
[  420.425316]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.430421]  ? compat_start_thread+0x80/0x80
[  420.434855]  ? pvclock_read_flags+0x160/0x160
[  420.439496]  ? __switch_to_asm+0x34/0x70
[  420.443563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.449107]  ? check_preemption_disabled+0x48/0x280
[  420.454152]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  420.459695]  ? rcu_pm_notify+0xc0/0xc0
[  420.463585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.469127]  ? check_preemption_disabled+0x48/0x280
[  420.474166]  run_timer_softirq+0x52/0xb0
[  420.478273]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.483296]  __do_softirq+0x308/0xb7e
[  420.487128]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.492069]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.497189]  ? schedule+0x108/0x460
[  420.500857]  ? trace_hardirqs_off+0xb8/0x310
[  420.505268]  ? smpboot_thread_fn+0x68b/0xa00
[  420.509694]  ? trace_hardirqs_on+0x310/0x310
[  420.514127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.519681]  ? check_preemption_disabled+0x48/0x280
[  420.524700]  ? takeover_tasklets+0xa90/0xa90
[  420.529117]  run_ksoftirqd+0x5e/0x100
[  420.532921]  smpboot_thread_fn+0x68b/0xa00
[  420.537175]  ? sort_range+0x30/0x30
[  420.540818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.545926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.551465]  ? __kthread_parkme+0xfb/0x1a0
[  420.555704]  ? sort_range+0x30/0x30
[  420.559332]  kthread+0x35a/0x440
[  420.562702]  ? kthread_stop+0x900/0x900
[  420.566682]  ret_from_fork+0x3a/0x50
[  420.570446] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  420.570481] rcu: INFO: rcu_preempt self-detected stall on CPU
[  420.577033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.577042] Call Trace:
[  420.583162] rcu: 	0-...!: (971 ticks this GP) idle=fe6/1/0x4000000000000002 softirq=14995/14997 fqs=8 
[  420.592287]  <IRQ>
[  420.592308]  dump_stack+0x244/0x39d
[  420.592327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.592355]  warn_alloc.cold.116+0xb7/0x1bd
[  420.592371]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.592392]  ? lock_downgrade+0x900/0x900
[  420.592414]  ? trace_hardirqs_off+0xb8/0x310
[  420.592435]  ? trace_hardirqs_off+0xb8/0x310
[  420.592458]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.595321] rcu: 	 (t=10622 jiffies g=19333 q=19)
[  420.604815]  ? warn_alloc+0x120/0x120
[  420.606945] rcu: rcu_preempt kthread starved for 7371 jiffies! g19333 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  420.610562]  ? print_usage_bug+0xc0/0xc0
[  420.615732] rcu: RCU grace-period kthread stack dump:
[  420.620049]  ? warn_alloc+0x120/0x120
[  420.624872] rcu_preempt     R  running task    22568    10      2 0x80000000
[  420.629018]  ? warn_alloc+0x120/0x120
[  420.633412] Call Trace:
[  420.637822]  ? print_usage_bug+0xc0/0xc0
[  420.642660]  __schedule+0x8cf/0x21d0
[  420.647493]  ? print_usage_bug+0xc0/0xc0
[  420.651289]  ? __sched_text_start+0x8/0x8
[  420.661669]  ? __lock_acquire+0x62f/0x4c20
[  420.665725]  ? add_timer_on+0xa20/0xa20
[  420.670899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.674689]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.681860]  ? should_fail+0x22d/0xd01
[  420.685652]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.688229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.692311]  ? trace_hardirqs_on+0xbd/0x310
[  420.696029]  ? __lock_acquire+0x62f/0x4c20
[  420.700075]  ? kasan_check_read+0x11/0x20
[  420.700094]  ? prepare_to_swait_event+0x25a/0x800
[  420.704253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.708485]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.712456]  ? __lock_acquire+0x62f/0x4c20
[  420.717983]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.723080]  ? should_fail+0x22d/0xd01
[  420.726964]  schedule+0xfe/0x460
[  420.732054]  ? find_held_lock+0x36/0x1c0
[  420.737178]  ? __schedule+0x21d0/0x21d0
[  420.741496]  ? mark_held_locks+0x130/0x130
[  420.745718]  ? prepare_to_swait_event+0x25a/0x800
[  420.749856]  ? mark_held_locks+0x130/0x130
[  420.754715]  ? __init_swait_queue_head+0x150/0x150
[  420.759786]  ? zap_class+0x640/0x640
[  420.764880]  ? __lockdep_init_map+0x105/0x590
[  420.769117]  ? zap_class+0x640/0x640
[  420.774226]  ? lockdep_init_map+0x9/0x10
[  420.778124]  ? print_usage_bug+0xc0/0xc0
[  420.781482]  schedule_timeout+0x140/0x260
[  420.785591]  ? do_raw_spin_unlock+0xa7/0x330
[  420.789554]  ? usleep_range+0x1a0/0x1a0
[  420.793780]  ? zap_class+0x640/0x640
[  420.798642]  ? __next_timer_interrupt+0x1a0/0x1a0
[  420.802881]  ? print_usage_bug+0xc0/0xc0
[  420.807848]  rcu_gp_fqs_loop+0x762/0xa80
[  420.811541]  ? wq_watchdog_touch+0x9c/0xfe
[  420.816030]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  420.819745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.823802]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.827852]  ? check_preemption_disabled+0x48/0x280
[  420.831987]  ? perf_trace_sched_process_exec+0x860/0x860
[  420.836388]  ? __lock_is_held+0xb5/0x140
[  420.840359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.844064]  __alloc_pages_nodemask+0xa80/0xde0
[  420.848895]  ? rcu_gp_init+0x90b/0x1260
[  420.852946]  ? zap_class+0x640/0x640
[  420.857008]  ? __switch_to_asm+0x34/0x70
[  420.861233]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.865977]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  420.871511]  ? find_held_lock+0x36/0x1c0
[  420.876597]  ? __switch_to_asm+0x40/0x70
[  420.881619]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.887048]  ? find_held_lock+0x36/0x1c0
[  420.891103]  ? lock_downgrade+0x900/0x900
[  420.896628]  ? zap_class+0x640/0x640
[  420.901312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.905280]  ? prepare_to_swait_event+0x25a/0x800
[  420.908977]  cache_grow_begin+0xa5/0x8c0
[  420.913026]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.918030]  ? do_raw_spin_unlock+0xa7/0x330
[  420.922778]  ? find_held_lock+0x36/0x1c0
[  420.926830]  fallback_alloc+0x204/0x2e0
[  420.930885]  ? finish_swait+0x25d/0x430
[  420.935541]  ____cache_alloc_node+0x1c7/0x1e0
[  420.939591]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.943732]  kmem_cache_alloc_node+0xe3/0x730
[  420.947439]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.952968]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.957802]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.961857]  __alloc_skb+0x119/0x770
[  420.966942]  ? trace_hardirqs_on+0xbd/0x310
[  420.971338]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.975400]  ? kasan_check_read+0x11/0x20
[  420.979364]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.983326]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.987813]  ? lock_downgrade+0x900/0x900
[  420.992908]  ? __init_swait_queue_head+0x150/0x150
[  420.997393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.002484]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.006702]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.011275]  ? finish_swait+0x25d/0x430
[  421.014976]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.019287]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.024551]  ? addrconf_rs_timer+0x690/0x690
[  421.028690]  ? swake_up_locked+0x360/0x360
[  421.033104]  ndisc_alloc_skb+0x144/0x340
[  421.038184]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.042322]  ndisc_send_rs+0x331/0x6e0
[  421.047239]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.052821]  addrconf_rs_timer+0x314/0x690
[  421.057915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.063367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.067337]  rcu_gp_kthread+0x341/0xc70
[  421.072778]  call_timer_fn+0x272/0x920
[  421.077362]  ? rcu_gp_init+0x1260/0x1260
[  421.081757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.085992]  ? mark_held_locks+0x130/0x130
[  421.090038]  ? process_timeout+0x40/0x40
[  421.095136]  ? __schedule+0x168a/0x21d0
[  421.099015]  ? mark_held_locks+0xc7/0x130
[  421.104449]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.108669]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.114194]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.118421]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.122382]  ? trace_hardirqs_on+0xbd/0x310
[  421.126258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.130330]  ? kasan_check_read+0x11/0x20
[  421.134552]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.138775]  ? __schedule+0x168a/0x21d0
[  421.142851]  ? trace_hardirqs_on+0xbd/0x310
[  421.146818]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.150974]  ? kasan_check_read+0x11/0x20
[  421.155455]  ? lock_pin_lock+0x350/0x350
[  421.159939]  ? __run_timers+0x7da/0xc70
[  421.164513]  ? _raw_spin_unlock_irq+0x60/0x80
[  421.168992]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.173297]  ? __schedule+0x168a/0x21d0
[  421.177520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.181668]  ? __switch_to_asm+0x40/0x70
[  421.186242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.190204]  ? __switch_to_asm+0x40/0x70
[  421.194530]  __run_timers+0x7e5/0xc70
[  421.199636]  ? cpuacct_cpuusage_read.isra.5+0xc1/0xf0
[  421.203776]  ? timer_fixup_init+0x70/0x70
[  421.207822]  ? __sched_text_start+0x8/0x8
[  421.211796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.216286]  ? find_held_lock+0x36/0x1c0
[  421.221372]  ? zap_class+0x640/0x640
[  421.225347]  ? __kthread_parkme+0xce/0x1a0
[  421.229565]  ? print_usage_bug+0xc0/0xc0
[  421.233653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.237879]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.241927]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.245717]  ? find_held_lock+0x36/0x1c0
[  421.250906]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.255057]  ? zap_class+0x640/0x640
[  421.259205]  ? trace_hardirqs_on+0xbd/0x310
[  421.264215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.268262]  ? kasan_check_read+0x11/0x20
[  421.271977]  ? check_preemption_disabled+0x48/0x280
[  421.276230]  ? __kthread_parkme+0xce/0x1a0
[  421.280288]  ? __lock_is_held+0xb5/0x140
[  421.286333]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.291512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.296610]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.300654]  ? check_preemption_disabled+0x48/0x280
[  421.305237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.308952]  run_timer_softirq+0x52/0xb0
[  421.313252]  ? __kthread_parkme+0xfb/0x1a0
[  421.318791]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.322929]  ? rcu_gp_init+0x1260/0x1260
[  421.327925]  __do_softirq+0x308/0xb7e
[  421.327937]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.327945]  ? lock_downgrade+0x900/0x900
[  421.327955]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.327969]  ? pvclock_read_flags+0x160/0x160
[  421.327979]  ? lapic_next_event+0x5a/0x90
[  421.327989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.328000]  ? kvm_clock_read+0x18/0x30
[  421.328008]  ? kvm_sched_clock_read+0x9/0x20
[  421.328017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.328025]  ? check_preemption_disabled+0x48/0x280
[  421.328039]  irq_exit+0x17f/0x1c0
[  421.328047]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.328054]  ? smp_reschedule_interrupt+0x109/0x650
[  421.328063]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.328072]  ? interrupt_entry+0xb5/0xc0
[  421.328080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.328092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.328108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.328125]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.332356]  kthread+0x35a/0x440
[  421.336444]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.341536]  ? kthread_stop+0x900/0x900
[  421.347078]  ? task_prio+0x50/0x50
[  421.352192]  ret_from_fork+0x3a/0x50
[  421.357200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.362736] NMI backtrace for cpu 0
[  421.366790]  ? check_preemption_disabled+0x48/0x280
[  421.507316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.512176]  apic_timer_interrupt+0xf/0x20
[  421.516408]  </IRQ>
[  421.518646] RIP: 0010:console_unlock+0x102f/0x1190
[  421.523605] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  421.542520] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  421.550232] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  421.557500] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  421.564769] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  421.572038] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  421.579325] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  421.586613]  ? netconsole_netdev_event+0x280/0x280
[  421.591553]  ? console_unlock+0x1026/0x1190
[  421.595899]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  421.600578]  ? vprintk_emit+0x846/0x990
[  421.604561]  ? lock_release+0xa00/0xa00
[  421.608536]  ? trace_hardirqs_on+0x20/0x310
[  421.612861]  ? vprintk_default+0x28/0x30
[  421.616928]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.622044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.627593]  vprintk_emit+0x391/0x990
[  421.631421]  ? wake_up_klogd+0x180/0x180
[  421.635492]  ? match_held_lock+0x8c1/0x8d0
[  421.639744]  ? mark_held_locks+0xc7/0x130
[  421.643901]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.648406]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.652910]  vprintk_default+0x28/0x30
[  421.656799]  vprintk_func+0x7e/0x181
[  421.660520]  printk+0xa7/0xcf
[  421.663633]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  421.668396]  ? _raw_spin_unlock_irq+0x60/0x80
[  421.672907]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  421.678198]  dump_header+0x7cc/0xf72
[  421.681930]  ? pagefault_out_of_memory+0x197/0x197
[  421.686895]  ? __lock_acquire+0x62f/0x4c20
[  421.691138]  ? percpu_ref_get_many+0x240/0x240
[  421.695726]  ? print_usage_bug+0xc0/0xc0
[  421.699809]  ? zap_class+0x640/0x640
[  421.703529]  ? print_usage_bug+0xc0/0xc0
[  421.707612]  ? zap_class+0x640/0x640
[  421.711331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.716879]  ? find_held_lock+0x36/0x1c0
[  421.720951]  ? mark_held_locks+0xc7/0x130
[  421.725104]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.730213]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.735320]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.739937]  ? trace_hardirqs_on+0xbd/0x310
[  421.744262]  ? kasan_check_read+0x11/0x20
[  421.748444]  ? ___ratelimit+0x3b4/0x672
[  421.752436]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.757571]  ? trace_hardirqs_on+0x310/0x310
[  421.762013]  ? lock_downgrade+0x900/0x900
[  421.766170]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.771280]  ? ___ratelimit+0x3b9/0x672
[  421.775260]  ? idr_get_free+0xf70/0xf70
[  421.779239]  ? find_held_lock+0x36/0x1c0
[  421.783313]  oom_kill_process.cold.27+0x10/0x903
[  421.788071]  ? zap_class+0x640/0x640
[  421.791789]  ? check_preemption_disabled+0x48/0x280
[  421.796812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.801743]  ? kasan_check_read+0x11/0x20
[  421.805890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.811176]  ? oom_evaluate_task+0x540/0x540
[  421.815592]  ? find_held_lock+0x36/0x1c0
[  421.819679]  ? out_of_memory+0x974/0x1430
[  421.823831]  ? lock_downgrade+0x900/0x900
[  421.827983]  ? check_preemption_disabled+0x48/0x280
[  421.833005]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.837937]  ? kasan_check_read+0x11/0x20
[  421.842086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.847368]  ? rcu_softirq_qs+0x20/0x20
[  421.851349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.856895]  ? oom_evaluate_task+0x302/0x540
[  421.861325]  out_of_memory+0xa84/0x1430
[  421.865312]  ? oom_killer_disable+0x3a0/0x3a0
[  421.869810]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  421.874743]  ? __ww_mutex_check_waiters+0x160/0x160
[  421.879789]  __alloc_pages_slowpath+0x2354/0x2e10
[  421.884666]  ? warn_alloc+0x120/0x120
[  421.888466]  ? mark_held_locks+0x130/0x130
[  421.892721]  ? find_get_entry+0xaae/0x1120
[  421.896978]  ? filemap_map_pages+0x1a20/0x1a20
[  421.901571]  ? zap_class+0x640/0x640
[  421.905297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.910833]  ? check_preemption_disabled+0x48/0x280
[  421.915871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.921411]  ? should_fail+0x22d/0xd01
[  421.925411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.930545]  ? zap_class+0x640/0x640
[  421.934298]  ? __lock_is_held+0xb5/0x140
[  421.938385]  ? mark_held_locks+0x130/0x130
[  421.942631]  ? lock_release+0xa00/0xa00
[  421.946613]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.952064]  ? xa_load+0x2ba/0x460
[  421.955618]  ? lock_downgrade+0x900/0x900
[  421.959779]  ? __might_sleep+0x95/0x190
[  421.963762]  __alloc_pages_nodemask+0xa80/0xde0
[  421.968451]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.973467]  ? __page_cache_alloc+0x191/0x5c0
[  421.977962]  ? xa_load+0x2e1/0x460
[  421.981505]  ? xa_clear_mark+0x40/0x40
[  421.985400]  ? zap_class+0x640/0x640
[  421.989148]  ? zap_class+0x640/0x640
[  421.992865]  ? zap_class+0x640/0x640
[  421.996589]  ? __do_page_cache_readahead+0x663/0x810
[  422.001705]  ? find_held_lock+0x36/0x1c0
[  422.005771]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  422.011316]  alloc_pages_current+0x173/0x350
[  422.015765]  __page_cache_alloc+0x38c/0x5c0
[  422.020101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.025036]  ? kasan_check_read+0x11/0x20
[  422.029185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.034488]  ? generic_perform_write+0x6a0/0x6a0
[  422.039246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.044786]  ? check_preemption_disabled+0x48/0x280
[  422.049810]  filemap_fault+0x1595/0x25f0
[  422.053886]  ? __lock_page_or_retry+0xa00/0xa00
[  422.058584]  ? mark_held_locks+0x130/0x130
[  422.062857]  ? filemap_map_pages+0xd6b/0x1a20
[  422.067356]  ? lock_downgrade+0x900/0x900
[  422.071526]  ? check_preemption_disabled+0x48/0x280
[  422.076559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.081521]  ? kasan_check_read+0x11/0x20
[  422.085677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.090960]  ? rcu_softirq_qs+0x20/0x20
[  422.094952]  ? filemap_map_pages+0xd92/0x1a20
[  422.099471]  ? find_get_entries_tag+0x1400/0x1400
[  422.104340]  ? debug_object_destroy+0x2b0/0x2b0
[  422.109012]  ? lock_pi_update_atomic+0x150/0x150
[  422.113767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.119324]  ? lock_acquire+0x1ed/0x520
[  422.123347]  ? ext4_filemap_fault+0x7a/0xad
[  422.127678]  ? lock_release+0xa00/0xa00
[  422.131652]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.137128]  ? print_usage_bug+0xc0/0xc0
[  422.141229]  ? print_usage_bug+0xc0/0xc0
[  422.145328]  ? down_read+0x8d/0x120
[  422.148966]  ? ext4_filemap_fault+0x7a/0xad
[  422.153304]  ? __down_interruptible+0x700/0x700
[  422.157998]  ext4_filemap_fault+0x82/0xad
[  422.162153]  __do_fault+0x100/0x6b0
[  422.165801]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.170911]  ? mark_held_locks+0x130/0x130
[  422.175152]  ? mark_held_locks+0x130/0x130
[  422.179405]  ? debug_smp_processor_id+0x1c/0x20
[  422.184084]  ? perf_trace_lock+0x14d/0x7a0
[  422.188331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.193879]  __handle_mm_fault+0x3ea6/0x5be0
[  422.198302]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  422.203179]  ? lock_is_held_type+0x210/0x210
[  422.207617]  ? ksys_dup3+0x680/0x680
[  422.211354]  ? zap_class+0x640/0x640
[  422.215069]  ? zap_class+0x640/0x640
[  422.218799]  ? __x64_sys_futex+0x53e/0x6a0
[  422.223041]  ? find_held_lock+0x36/0x1c0
[  422.227119]  ? handle_mm_fault+0x42a/0xc70
[  422.231357]  ? lock_downgrade+0x900/0x900
[  422.235506]  ? check_preemption_disabled+0x48/0x280
[  422.240540]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.245470]  ? kasan_check_read+0x11/0x20
[  422.249624]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.254908]  ? rcu_softirq_qs+0x20/0x20
[  422.258906]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.264024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.269593]  ? check_preemption_disabled+0x48/0x280
[  422.274632]  handle_mm_fault+0x54f/0xc70
[  422.278720]  ? __handle_mm_fault+0x5be0/0x5be0
[  422.283315]  ? find_vma+0x34/0x190
[  422.286865]  __do_page_fault+0x5e8/0xe60
[  422.290927]  ? trace_hardirqs_off+0xb8/0x310
[  422.295353]  do_page_fault+0xf2/0x7e0
[  422.299164]  ? vmalloc_sync_all+0x30/0x30
[  422.303313]  ? error_entry+0x70/0xd0
[  422.307031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.312046]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.317001]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.321931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.326777]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.332103]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.337580]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.342615]  ? page_fault+0x8/0x30
[  422.346163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.351009]  ? page_fault+0x8/0x30
[  422.354552]  page_fault+0x1e/0x30
[  422.358004] RIP: 0033:0x40f9c0
[  422.361223] Code: Bad RIP value.
[  422.364587] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  422.369952] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  422.377217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  422.384498] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  422.391770] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  422.399039] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  422.406334] warn_alloc_show_mem: 1 callbacks suppressed
[  422.406345] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  422.406347] Mem-Info:
[  422.406378] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  422.406378]  active_file:15 inactive_file:12 isolated_file:0
[  422.406378]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.406378]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  422.406378]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  422.406378]  free:13790 free_pcp:473 free_cma:0
[  422.411724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.418144] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.420544] Call Trace:
[  422.454094] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  422.463458]  <IRQ>
[  422.491156] lowmem_reserve[]: 0 2818 6321 6321
[  422.493787]  dump_stack+0x244/0x39d
[  422.519879] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  422.522052]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.526595] lowmem_reserve[]: 0 0 3503 3503
[  422.530241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.557730] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  422.562926]  ? do_raw_spin_lock+0x14f/0x350
[  422.567233] lowmem_reserve[]: 0 0 0 0
[  422.572785]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  422.602130] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  422.606466]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  422.610236] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  422.614921]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  422.628423] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  422.633625]  arch_trigger_cpumask_backtrace+0x14/0x20
[  422.648959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.654230]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  422.669561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.669572] 2571 total pagecache pages
[  422.674775]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  422.683708] 0 pages in swap cache
[  422.688125]  ? print_other_cpu_stall+0x160/0x160
[  422.696696] Swap cache stats: add 0, delete 0, find 0/0
[  422.696706] Free swap  = 0kB
[  422.700596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.705330] Total swap = 0kB
[  422.705339] 1965979 pages RAM
[  422.708792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.713526] 0 pages HighMem/MovableOnly
[  422.718887]  ? do_trace_rcu_torture_read+0x10/0x10
[  422.721883] 342855 pages reserved
[  422.721892] 0 pages cma reserved
[  422.727438]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  422.730500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.733526]  ? __lock_is_held+0xb5/0x140
[  422.733556]  ? __rcu_read_lock+0x50/0x50
[  422.739192] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.743082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.748004] syz-fuzzer cpuset=/ mems_allowed=0
[  422.751456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.800453]  ? check_preemption_disabled+0x48/0x280
[  422.805508]  rcu_check_callbacks+0xf3b/0x13f0
[  422.810014]  ? rcutree_dead_cpu+0x10/0x10
[  422.814170]  ? lock_downgrade+0x900/0x900
[  422.818346]  ? lock_release+0x920/0xa00
[  422.822326]  ? zap_class+0x640/0x640
[  422.826051]  ? zap_class+0x640/0x640
[  422.829768]  ? zap_class+0x640/0x640
[  422.833487]  ? zap_class+0x640/0x640
[  422.837224]  ? find_held_lock+0x36/0x1c0
[  422.841303]  ? cpuacct_account_field+0x219/0x3d0
[  422.846070]  ? zap_class+0x640/0x640
[  422.849803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.855371]  ? check_preemption_disabled+0x48/0x280
[  422.860399]  ? trace_hardirqs_off+0xb8/0x310
[  422.864811]  ? __lock_is_held+0xb5/0x140
[  422.868876]  ? trace_hardirqs_on+0x310/0x310
[  422.873291]  ? check_preemption_disabled+0x48/0x280
[  422.878316]  ? raise_softirq+0x199/0x420
[  422.882379]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  422.887068]  ? account_system_index_time+0x333/0x5d0
[  422.892192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.897737]  ? check_preemption_disabled+0x48/0x280
[  422.902764]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.908303]  ? hrtimer_run_queues+0x9a/0x400
[  422.912718]  ? run_local_timers+0x19b/0x230
[  422.917042]  ? timer_clear_idle+0x90/0x90
[  422.921199]  ? irqtime_account_process_tick.isra.6+0x38e/0x490
[  422.927181]  ? account_process_tick+0x282/0x350
[  422.931860]  update_process_times+0x2d/0x70
[  422.936190]  tick_sched_handle+0x9f/0x180
[  422.940343]  tick_sched_timer+0x45/0x130
[  422.944407]  __hrtimer_run_queues+0x41c/0x10d0
[  422.949001]  ? tick_sched_do_timer+0x1a0/0x1a0
[  422.953592]  ? hrtimer_start_range_ns+0xe00/0xe00
[  422.958447]  ? pvclock_read_flags+0x160/0x160
[  422.962947]  ? trace_hardirqs_on+0x310/0x310
[  422.967394]  ? kvm_clock_read+0x18/0x30
[  422.971373]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.976390]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  422.981763]  ? do_timer+0x50/0x50
[  422.985223]  ? rwlock_bug.part.2+0x90/0x90
[  422.989459]  ? trace_hardirqs_on+0x310/0x310
[  422.993869]  ? rcu_softirq_qs+0x20/0x20
[  422.997858]  hrtimer_interrupt+0x313/0x780
[  423.002121]  smp_apic_timer_interrupt+0x1a1/0x760
[  423.006968]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.012858]  ? interrupt_entry+0xb5/0xc0
[  423.016923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.021940]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.026964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.031832]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.036847]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.041864]  ? task_prio+0x50/0x50
[  423.045413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.050953]  ? check_preemption_disabled+0x48/0x280
[  423.055979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.060834]  apic_timer_interrupt+0xf/0x20
[  423.065064]  </IRQ>
[  423.067309] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  423.072679] Code: 3f 7e 0f 85 32 ff ff ff e8 55 33 3e ff e9 28 ff ff ff e8 0c 57 c3 ff 48 83 3d d4 b0 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 e2 3b
[  423.091583] RSP: 0000:ffff8801d9ad7410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.099295] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b357d5c
[  423.106564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  423.113839] RBP: ffff8801d9ad7480 R08: ffff8801d9abeae0 R09: 0000000000000002
[  423.121113] R10: 0000000000000000 R11: ffff8801d9abe240 R12: ffff8801d9bccc00
[  423.128383] R13: ffff8801d9bccc00 R14: 0000000000000000 R15: 0000000000000286
[  423.135688]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.139941]  __alloc_skb+0x119/0x770
[  423.143656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.148943]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.153356]  ? lock_downgrade+0x900/0x900
[  423.157519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.163065]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.168528]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.174002]  ? addrconf_rs_timer+0x690/0x690
[  423.178425]  ndisc_alloc_skb+0x144/0x340
[  423.182493]  ndisc_send_rs+0x331/0x6e0
[  423.186395]  addrconf_rs_timer+0x314/0x690
[  423.190641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.194900]  call_timer_fn+0x272/0x920
[  423.198802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.203042]  ? process_timeout+0x40/0x40
[  423.207123]  ? __run_timers+0x7da/0xc70
[  423.211121]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.215633]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.220145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.224384]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.228972]  ? trace_hardirqs_on+0xbd/0x310
[  423.233305]  ? kasan_check_read+0x11/0x20
[  423.237457]  ? __run_timers+0x7da/0xc70
[  423.241437]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.246561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.250810]  __run_timers+0x7e5/0xc70
[  423.254649]  ? timer_fixup_init+0x70/0x70
[  423.258802]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.263307]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.267808]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.272413]  ? trace_hardirqs_on+0xbd/0x310
[  423.276741]  ? kasan_check_read+0x11/0x20
[  423.280896]  ? finish_task_switch+0x1f4/0x910
[  423.285397]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.290502]  ? compat_start_thread+0x80/0x80
[  423.294939]  ? pvclock_read_flags+0x160/0x160
[  423.299439]  ? __switch_to_asm+0x34/0x70
[  423.303508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.309054]  ? check_preemption_disabled+0x48/0x280
[  423.314123]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  423.319680]  ? rcu_pm_notify+0xc0/0xc0
[  423.323586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.329641]  ? check_preemption_disabled+0x48/0x280
[  423.334665]  run_timer_softirq+0x52/0xb0
[  423.338744]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.343766]  __do_softirq+0x308/0xb7e
[  423.347578]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.352513]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.357628]  ? schedule+0x108/0x460
[  423.361275]  ? trace_hardirqs_off+0xb8/0x310
[  423.365688]  ? smpboot_thread_fn+0x68b/0xa00
[  423.370145]  ? trace_hardirqs_on+0x310/0x310
[  423.374567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.380117]  ? check_preemption_disabled+0x48/0x280
[  423.385151]  ? takeover_tasklets+0xa90/0xa90
[  423.389569]  run_ksoftirqd+0x5e/0x100
[  423.393378]  smpboot_thread_fn+0x68b/0xa00
[  423.397619]  ? sort_range+0x30/0x30
[  423.401256]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.406367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.411907]  ? __kthread_parkme+0xfb/0x1a0
[  423.416151]  ? sort_range+0x30/0x30
[  423.419793]  kthread+0x35a/0x440
[  423.423185]  ? kthread_stop+0x900/0x900
[  423.427181]  ret_from_fork+0x3a/0x50
[  423.430954] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  423.431297] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.437546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.437552] Call Trace:
[  423.437558]  <IRQ>
[  423.437576]  dump_stack+0x244/0x39d
[  423.437603]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.444143] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.453443]  warn_alloc.cold.116+0xb7/0x1bd
[  423.456002] ksoftirqd/0 cpuset=/ mems_allowed=0
[  423.458167]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.491069]  ? lock_downgrade+0x900/0x900
[  423.495257]  ? trace_hardirqs_off+0xb8/0x310
[  423.499679]  ? trace_hardirqs_off+0xb8/0x310
[  423.504100]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.508981]  ? warn_alloc+0x120/0x120
[  423.512792]  ? print_usage_bug+0xc0/0xc0
[  423.516860]  ? warn_alloc+0x120/0x120
[  423.520683]  ? warn_alloc+0x120/0x120
[  423.524491]  ? print_usage_bug+0xc0/0xc0
[  423.528555]  ? kvm_clock_read+0x18/0x30
[  423.532546]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.537570]  ? print_usage_bug+0xc0/0xc0
[  423.541677]  ? __lock_acquire+0x62f/0x4c20
[  423.545976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.551539]  ? should_fail+0x22d/0xd01
[  423.555429]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.560717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.565845]  ? __lock_acquire+0x62f/0x4c20
[  423.570104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.575217]  ? __lock_acquire+0x62f/0x4c20
[  423.579453]  ? should_fail+0x22d/0xd01
[  423.583344]  ? rcu_irq_exit+0x1a2/0x390
[  423.587336]  ? mark_held_locks+0x130/0x130
[  423.591628]  ? mark_held_locks+0x130/0x130
[  423.595886]  ? mark_held_locks+0xc7/0x130
[  423.600036]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  423.605053]  ? zap_class+0x640/0x640
[  423.608780]  ? print_usage_bug+0xc0/0xc0
[  423.612852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.618406]  ? check_preemption_disabled+0x48/0x280
[  423.623435]  ? __lock_is_held+0xb5/0x140
[  423.627507]  __alloc_pages_nodemask+0xa80/0xde0
[  423.632185]  ? zap_class+0x640/0x640
[  423.635905]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.640936]  ? find_held_lock+0x36/0x1c0
[  423.645010]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.649683]  ? lock_downgrade+0x900/0x900
[  423.653841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.659417]  cache_grow_begin+0xa5/0x8c0
[  423.663483]  ? do_raw_spin_unlock+0xa7/0x330
[  423.667901]  fallback_alloc+0x204/0x2e0
[  423.671886]  ____cache_alloc_node+0x1c7/0x1e0
[  423.676391]  kmem_cache_alloc_node+0xe3/0x730
[  423.680902]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.685186]  __alloc_skb+0x119/0x770
[  423.688900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.694190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.698612]  ? lock_downgrade+0x900/0x900
[  423.702789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.708331]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.713787]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.719236]  ? addrconf_rs_timer+0x690/0x690
[  423.723657]  ndisc_alloc_skb+0x144/0x340
[  423.727737]  ndisc_send_rs+0x331/0x6e0
[  423.731637]  addrconf_rs_timer+0x314/0x690
[  423.735879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.740133]  call_timer_fn+0x272/0x920
[  423.744023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.748263]  ? process_timeout+0x40/0x40
[  423.752340]  ? mark_held_locks+0xc7/0x130
[  423.757126]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.761637]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.766130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.770372]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.774973]  ? trace_hardirqs_on+0xbd/0x310
[  423.779296]  ? kasan_check_read+0x11/0x20
[  423.783447]  ? __run_timers+0x7da/0xc70
[  423.787424]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.792538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.796815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.801062]  __run_timers+0x7e5/0xc70
[  423.804897]  ? timer_fixup_init+0x70/0x70
[  423.809078]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.814157]  ? zap_class+0x640/0x640
[  423.817881]  ? print_usage_bug+0xc0/0xc0
[  423.821949]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.827150]  ? find_held_lock+0x36/0x1c0
[  423.831218]  ? zap_class+0x640/0x640
[  423.834941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.840498]  ? check_preemption_disabled+0x48/0x280
[  423.845529]  ? __lock_is_held+0xb5/0x140
[  423.849601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.855141]  ? check_preemption_disabled+0x48/0x280
[  423.860213]  run_timer_softirq+0x52/0xb0
[  423.864292]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.869311]  __do_softirq+0x308/0xb7e
[  423.873121]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.877632]  ? lock_downgrade+0x900/0x900
[  423.881801]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.886933]  ? pvclock_read_flags+0x160/0x160
[  423.891441]  ? lapic_next_event+0x5a/0x90
[  423.895621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.901167]  ? kvm_clock_read+0x18/0x30
[  423.905144]  ? kvm_sched_clock_read+0x9/0x20
[  423.909566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.915139]  ? check_preemption_disabled+0x48/0x280
[  423.920172]  irq_exit+0x17f/0x1c0
[  423.923635]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.928479]  ? smp_reschedule_interrupt+0x109/0x650
[  423.933500]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.939388]  ? interrupt_entry+0xb5/0xc0
[  423.943460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.948478]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.953497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.958342]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.963363]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.968384]  ? task_prio+0x50/0x50
[  423.971929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.977473]  ? check_preemption_disabled+0x48/0x280
[  423.982498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.987351]  apic_timer_interrupt+0xf/0x20
[  423.991582]  </IRQ>
[  423.993828] RIP: 0010:console_unlock+0x102f/0x1190
[  423.998762] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  424.017664] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  424.025390] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  424.032658] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  424.039941] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  424.047213] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  424.054483] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  424.061762]  ? netconsole_netdev_event+0x280/0x280
[  424.066700]  ? console_unlock+0x1026/0x1190
[  424.071046]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  424.075721]  ? vprintk_emit+0x846/0x990
[  424.079706]  ? lock_release+0xa00/0xa00
[  424.083687]  ? trace_hardirqs_on+0x20/0x310
[  424.088021]  ? vprintk_default+0x28/0x30
[  424.092111]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.097222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.102803]  vprintk_emit+0x391/0x990
[  424.106615]  ? wake_up_klogd+0x180/0x180
[  424.110689]  ? match_held_lock+0x8c1/0x8d0
[  424.114937]  ? mark_held_locks+0xc7/0x130
[  424.119104]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.123613]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.128135]  vprintk_default+0x28/0x30
[  424.132060]  vprintk_func+0x7e/0x181
[  424.135789]  printk+0xa7/0xcf
[  424.138902]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  424.143688]  ? _raw_spin_unlock_irq+0x60/0x80
[  424.148209]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  424.153501]  dump_header+0x7cc/0xf72
[  424.157233]  ? pagefault_out_of_memory+0x197/0x197
[  424.162173]  ? __lock_acquire+0x62f/0x4c20
[  424.166414]  ? percpu_ref_get_many+0x240/0x240
[  424.171005]  ? print_usage_bug+0xc0/0xc0
[  424.175102]  ? zap_class+0x640/0x640
[  424.178828]  ? print_usage_bug+0xc0/0xc0
[  424.182894]  ? zap_class+0x640/0x640
[  424.186633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.192182]  ? find_held_lock+0x36/0x1c0
[  424.196261]  ? mark_held_locks+0xc7/0x130
[  424.200415]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.205520]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.210628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.215229]  ? trace_hardirqs_on+0xbd/0x310
[  424.219552]  ? kasan_check_read+0x11/0x20
[  424.223700]  ? ___ratelimit+0x3b4/0x672
[  424.227680]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.232786]  ? trace_hardirqs_on+0x310/0x310
[  424.237212]  ? lock_downgrade+0x900/0x900
[  424.241370]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.246490]  ? ___ratelimit+0x3b9/0x672
[  424.250494]  ? idr_get_free+0xf70/0xf70
[  424.254566]  ? find_held_lock+0x36/0x1c0
[  424.258649]  oom_kill_process.cold.27+0x10/0x903
[  424.263419]  ? zap_class+0x640/0x640
[  424.267140]  ? check_preemption_disabled+0x48/0x280
[  424.272168]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.277112]  ? kasan_check_read+0x11/0x20
[  424.281269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.286551]  ? oom_evaluate_task+0x540/0x540
[  424.291006]  ? find_held_lock+0x36/0x1c0
[  424.295107]  ? out_of_memory+0x974/0x1430
[  424.299272]  ? lock_downgrade+0x900/0x900
[  424.303421]  ? check_preemption_disabled+0x48/0x280
[  424.308457]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.313400]  ? kasan_check_read+0x11/0x20
[  424.317550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.322828]  ? rcu_softirq_qs+0x20/0x20
[  424.326823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.332559]  ? oom_evaluate_task+0x302/0x540
[  424.337016]  out_of_memory+0xa84/0x1430
[  424.341003]  ? oom_killer_disable+0x3a0/0x3a0
[  424.345510]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  424.350450]  ? __ww_mutex_check_waiters+0x160/0x160
[  424.355484]  __alloc_pages_slowpath+0x2354/0x2e10
[  424.360386]  ? warn_alloc+0x120/0x120
[  424.364223]  ? mark_held_locks+0x130/0x130
[  424.368467]  ? find_get_entry+0xaae/0x1120
[  424.372792]  ? filemap_map_pages+0x1a20/0x1a20
[  424.377400]  ? zap_class+0x640/0x640
[  424.381132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.386698]  ? check_preemption_disabled+0x48/0x280
[  424.391723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.397281]  ? should_fail+0x22d/0xd01
[  424.401176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.406286]  ? zap_class+0x640/0x640
[  424.410034]  ? __lock_is_held+0xb5/0x140
[  424.414145]  ? mark_held_locks+0x130/0x130
[  424.418397]  ? lock_release+0xa00/0xa00
[  424.422377]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.427834]  ? xa_load+0x2ba/0x460
[  424.431394]  ? lock_downgrade+0x900/0x900
[  424.436037]  ? __might_sleep+0x95/0x190
[  424.440021]  __alloc_pages_nodemask+0xa80/0xde0
[  424.444699]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.449720]  ? __page_cache_alloc+0x191/0x5c0
[  424.454232]  ? xa_load+0x2e1/0x460
[  424.457775]  ? xa_clear_mark+0x40/0x40
[  424.461665]  ? zap_class+0x640/0x640
[  424.465390]  ? zap_class+0x640/0x640
[  424.469107]  ? zap_class+0x640/0x640
[  424.472824]  ? __do_page_cache_readahead+0x663/0x810
[  424.477935]  ? find_held_lock+0x36/0x1c0
[  424.482003]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  424.487553]  alloc_pages_current+0x173/0x350
[  424.491973]  __page_cache_alloc+0x38c/0x5c0
[  424.496298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.501228]  ? kasan_check_read+0x11/0x20
[  424.505378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.510665]  ? generic_perform_write+0x6a0/0x6a0
[  424.515431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.520978]  ? check_preemption_disabled+0x48/0x280
[  424.526002]  filemap_fault+0x1595/0x25f0
[  424.530100]  ? __lock_page_or_retry+0xa00/0xa00
[  424.534779]  ? mark_held_locks+0x130/0x130
[  424.539032]  ? filemap_map_pages+0xd6b/0x1a20
[  424.543534]  ? lock_downgrade+0x900/0x900
[  424.547732]  ? check_preemption_disabled+0x48/0x280
[  424.552758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.557701]  ? kasan_check_read+0x11/0x20
[  424.561862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.567139]  ? rcu_softirq_qs+0x20/0x20
[  424.571131]  ? filemap_map_pages+0xd92/0x1a20
[  424.575651]  ? find_get_entries_tag+0x1400/0x1400
[  424.580524]  ? debug_object_destroy+0x2b0/0x2b0
[  424.585197]  ? lock_pi_update_atomic+0x150/0x150
[  424.589956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.595547]  ? lock_acquire+0x1ed/0x520
[  424.599565]  ? ext4_filemap_fault+0x7a/0xad
[  424.603904]  ? lock_release+0xa00/0xa00
[  424.607880]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.613333]  ? print_usage_bug+0xc0/0xc0
[  424.617401]  ? print_usage_bug+0xc0/0xc0
[  424.621478]  ? down_read+0x8d/0x120
[  424.625112]  ? ext4_filemap_fault+0x7a/0xad
[  424.629441]  ? __down_interruptible+0x700/0x700
[  424.634132]  ext4_filemap_fault+0x82/0xad
[  424.638286]  __do_fault+0x100/0x6b0
[  424.642011]  ? pmd_devmap_trans_unstable+0x220/0x220
[  424.647130]  ? mark_held_locks+0x130/0x130
[  424.651373]  ? mark_held_locks+0x130/0x130
[  424.655624]  ? debug_smp_processor_id+0x1c/0x20
[  424.661089]  ? perf_trace_lock+0x14d/0x7a0
[  424.665337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.670890]  __handle_mm_fault+0x3ea6/0x5be0
[  424.675317]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  424.680167]  ? lock_is_held_type+0x210/0x210
[  424.684586]  ? ksys_dup3+0x680/0x680
[  424.688338]  ? zap_class+0x640/0x640
[  424.692059]  ? zap_class+0x640/0x640
[  424.695782]  ? __x64_sys_futex+0x53e/0x6a0
[  424.700023]  ? find_held_lock+0x36/0x1c0
[  424.704131]  ? handle_mm_fault+0x42a/0xc70
[  424.708375]  ? lock_downgrade+0x900/0x900
[  424.712529]  ? check_preemption_disabled+0x48/0x280
[  424.717582]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.722524]  ? kasan_check_read+0x11/0x20
[  424.726675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.731969]  ? rcu_softirq_qs+0x20/0x20
[  424.735948]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.741061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.746611]  ? check_preemption_disabled+0x48/0x280
[  424.751659]  handle_mm_fault+0x54f/0xc70
[  424.755727]  ? __handle_mm_fault+0x5be0/0x5be0
[  424.760316]  ? find_vma+0x34/0x190
[  424.763868]  __do_page_fault+0x5e8/0xe60
[  424.767935]  ? trace_hardirqs_off+0xb8/0x310
[  424.772358]  do_page_fault+0xf2/0x7e0
[  424.776168]  ? vmalloc_sync_all+0x30/0x30
[  424.780321]  ? error_entry+0x70/0xd0
[  424.784039]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.789058]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.793999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.798931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.803777]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.808797]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.814256]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.819285]  ? page_fault+0x8/0x30
[  424.822839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.827697]  ? page_fault+0x8/0x30
[  424.831243]  page_fault+0x1e/0x30
[  424.834699] RIP: 0033:0x40f9c0
[  424.837903] Code: Bad RIP value.
[  424.841264] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  424.846627] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  424.853917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  424.861200] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  424.868493] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  424.875760] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  424.883061] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  424.883064] Mem-Info:
[  424.883105] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  424.883105]  active_file:15 inactive_file:12 isolated_file:0
[  424.883105]  unevictable:0 dirty:0 writeback:0 unstable:0
[  424.883105]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  424.883105]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  424.883105]  free:13790 free_pcp:473 free_cma:0
[  424.889488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.891933] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  424.924965] Call Trace:
[  424.934316] 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
[  424.961996]  dump_stack+0x244/0x39d
[  424.964549] lowmem_reserve[]: 0 2818 6321 6321
[  424.990672]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.994278] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  424.998870]  warn_alloc.cold.116+0xb7/0x1bd
[  425.004028] lowmem_reserve[]: 0 0 3503 3503
[  425.031531]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.035848] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  425.040169]  ? lock_downgrade+0x900/0x900
[  425.044990] lowmem_reserve[]: 0 0 0 0
[  425.074147]  ? trace_hardirqs_off+0xb8/0x310
[  425.078290] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  425.082102]  ? trace_hardirqs_off+0xb8/0x310
[  425.086492] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  425.100019]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.104397] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  425.119800]  ? warn_alloc+0x120/0x120
[  425.124609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.139945]  ? print_usage_bug+0xc0/0xc0
[  425.143741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.152567]  ? warn_alloc+0x120/0x120
[  425.156613] 2571 total pagecache pages
[  425.165213]  ? warn_alloc+0x120/0x120
[  425.169008] 0 pages in swap cache
[  425.172887]  ? print_usage_bug+0xc0/0xc0
[  425.176675] Swap cache stats: add 0, delete 0, find 0/0
[  425.180138]  ? print_usage_bug+0xc0/0xc0
[  425.184177] Free swap  = 0kB
[  425.189543]  ? __lock_acquire+0x62f/0x4c20
[  425.193585] Total swap = 0kB
[  425.196627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.200868] 1965979 pages RAM
[  425.203917]  ? should_fail+0x22d/0xd01
[  425.209431] 0 pages HighMem/MovableOnly
[  425.212559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.216425] 342855 pages reserved
[  425.216434] 0 pages cma reserved
[  425.220410]  ? __lock_acquire+0x62f/0x4c20
[  425.225552] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.228946]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.232353] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.236529]  ? __lock_acquire+0x62f/0x4c20
[  425.243002] syz-fuzzer cpuset=/ mems_allowed=0
[  425.248129]  ? should_fail+0x22d/0xd01
[  425.271057]  ? find_held_lock+0x36/0x1c0
[  425.275141]  ? mark_held_locks+0x130/0x130
[  425.279387]  ? mark_held_locks+0x130/0x130
[  425.283639]  ? zap_class+0x640/0x640
[  425.287359]  ? zap_class+0x640/0x640
[  425.291088]  ? print_usage_bug+0xc0/0xc0
[  425.295156]  ? do_raw_spin_unlock+0xa7/0x330
[  425.299567]  ? zap_class+0x640/0x640
[  425.303283]  ? print_usage_bug+0xc0/0xc0
[  425.307359]  ? wq_watchdog_touch+0x9c/0xfe
[  425.311603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.317145]  ? check_preemption_disabled+0x48/0x280
[  425.322195]  ? __lock_is_held+0xb5/0x140
[  425.326267]  __alloc_pages_nodemask+0xa80/0xde0
[  425.331462]  ? zap_class+0x640/0x640
[  425.335186]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.340220]  ? find_held_lock+0x36/0x1c0
[  425.344297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.348970]  ? lock_downgrade+0x900/0x900
[  425.353139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.358693]  cache_grow_begin+0xa5/0x8c0
[  425.362756]  ? do_raw_spin_unlock+0xa7/0x330
[  425.367175]  fallback_alloc+0x204/0x2e0
[  425.371164]  ____cache_alloc_node+0x1c7/0x1e0
[  425.375680]  kmem_cache_alloc_node+0xe3/0x730
[  425.380190]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.384453]  __alloc_skb+0x119/0x770
[  425.388184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.393466]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.397908]  ? lock_downgrade+0x900/0x900
[  425.402104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.407645]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.413125]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.418599]  ? addrconf_rs_timer+0x690/0x690
[  425.423023]  ndisc_alloc_skb+0x144/0x340
[  425.427116]  ndisc_send_rs+0x331/0x6e0
[  425.431012]  addrconf_rs_timer+0x314/0x690
[  425.435257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.439506]  call_timer_fn+0x272/0x920
[  425.443393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.447647]  ? process_timeout+0x40/0x40
[  425.451724]  ? __run_timers+0x7da/0xc70
[  425.455707]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.460204]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.464712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.468961]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.473548]  ? trace_hardirqs_on+0xbd/0x310
[  425.477871]  ? kasan_check_read+0x11/0x20
[  425.482019]  ? __run_timers+0x7da/0xc70
[  425.486011]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.491157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.495424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.499676]  __run_timers+0x7e5/0xc70
[  425.503503]  ? timer_fixup_init+0x70/0x70
[  425.507655]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.512172]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.516683]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.521281]  ? trace_hardirqs_on+0xbd/0x310
[  425.525601]  ? kasan_check_read+0x11/0x20
[  425.529772]  ? finish_task_switch+0x1f4/0x910
[  425.534275]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.539379]  ? compat_start_thread+0x80/0x80
[  425.543813]  ? pvclock_read_flags+0x160/0x160
[  425.548325]  ? __switch_to_asm+0x34/0x70
[  425.552393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.557936]  ? check_preemption_disabled+0x48/0x280
[  425.562967]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  425.568509]  ? rcu_pm_notify+0xc0/0xc0
[  425.572426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.577981]  ? check_preemption_disabled+0x48/0x280
[  425.583004]  run_timer_softirq+0x52/0xb0
[  425.587075]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.592122]  __do_softirq+0x308/0xb7e
[  425.595936]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.600885]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.605998]  ? schedule+0x108/0x460
[  425.609641]  ? trace_hardirqs_off+0xb8/0x310
[  425.614059]  ? smpboot_thread_fn+0x68b/0xa00
[  425.618481]  ? trace_hardirqs_on+0x310/0x310
[  425.622908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.628449]  ? check_preemption_disabled+0x48/0x280
[  425.633472]  ? takeover_tasklets+0xa90/0xa90
[  425.637883]  run_ksoftirqd+0x5e/0x100
[  425.641688]  smpboot_thread_fn+0x68b/0xa00
[  425.645945]  ? sort_range+0x30/0x30
[  425.649577]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.654685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.660229]  ? __kthread_parkme+0xfb/0x1a0
[  425.664469]  ? sort_range+0x30/0x30
[  425.668108]  kthread+0x35a/0x440
[  425.671483]  ? kthread_stop+0x900/0x900
[  425.675469]  ret_from_fork+0x3a/0x50
[  425.679208] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  425.679275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.685798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.685804] Call Trace:
[  425.685810]  <IRQ>
[  425.685828]  dump_stack+0x244/0x39d
[  425.685847]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.692376] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.701699]  warn_alloc.cold.116+0xb7/0x1bd
[  425.704277] ksoftirqd/0 cpuset=/ mems_allowed=0
[  425.706442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.739341]  ? lock_downgrade+0x900/0x900
[  425.743499]  ? trace_hardirqs_off+0xb8/0x310
[  425.747918]  ? trace_hardirqs_off+0xb8/0x310
[  425.752342]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.757219]  ? warn_alloc+0x120/0x120
[  425.761025]  ? print_usage_bug+0xc0/0xc0
[  425.765095]  ? warn_alloc+0x120/0x120
[  425.768906]  ? warn_alloc+0x120/0x120
[  425.772710]  ? print_usage_bug+0xc0/0xc0
[  425.776808]  ? print_usage_bug+0xc0/0xc0
[  425.780874]  ? __lock_acquire+0x62f/0x4c20
[  425.785164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.790745]  ? should_fail+0x22d/0xd01
[  425.794644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.799759]  ? __lock_acquire+0x62f/0x4c20
[  425.804012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.809121]  ? __lock_acquire+0x62f/0x4c20
[  425.813355]  ? should_fail+0x22d/0xd01
[  425.817260]  ? find_held_lock+0x36/0x1c0
[  425.821336]  ? mark_held_locks+0x130/0x130
[  425.825588]  ? mark_held_locks+0x130/0x130
[  425.829831]  ? zap_class+0x640/0x640
[  425.833554]  ? zap_class+0x640/0x640
[  425.837274]  ? print_usage_bug+0xc0/0xc0
[  425.841335]  ? do_raw_spin_unlock+0xa7/0x330
[  425.845746]  ? zap_class+0x640/0x640
[  425.849466]  ? print_usage_bug+0xc0/0xc0
[  425.853527]  ? wq_watchdog_touch+0x9c/0xfe
[  425.857767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.863315]  ? check_preemption_disabled+0x48/0x280
[  425.868347]  ? __lock_is_held+0xb5/0x140
[  425.872417]  __alloc_pages_nodemask+0xa80/0xde0
[  425.877094]  ? zap_class+0x640/0x640
[  425.880826]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.885861]  ? find_held_lock+0x36/0x1c0
[  425.889938]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.894615]  ? lock_downgrade+0x900/0x900
[  425.898776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.904323]  cache_grow_begin+0xa5/0x8c0
[  425.908388]  ? do_raw_spin_unlock+0xa7/0x330
[  425.912809]  fallback_alloc+0x204/0x2e0
[  425.916815]  ____cache_alloc_node+0x1c7/0x1e0
[  425.921345]  kmem_cache_alloc_node+0xe3/0x730
[  425.925845]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.930096]  __alloc_skb+0x119/0x770
[  425.933813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.939101]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.943513]  ? lock_downgrade+0x900/0x900
[  425.947677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.953228]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.958685]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.964141]  ? addrconf_rs_timer+0x690/0x690
[  425.968567]  ndisc_alloc_skb+0x144/0x340
[  425.972647]  ndisc_send_rs+0x331/0x6e0
[  425.976542]  addrconf_rs_timer+0x314/0x690
[  425.980783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.985042]  call_timer_fn+0x272/0x920
[  425.988963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.993203]  ? process_timeout+0x40/0x40
[  425.997287]  ? mark_held_locks+0xc7/0x130
[  426.001442]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.005944]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.010442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.014682]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.019267]  ? trace_hardirqs_on+0xbd/0x310
[  426.023607]  ? kasan_check_read+0x11/0x20
[  426.027757]  ? __run_timers+0x7da/0xc70
[  426.031738]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.036847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.041099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.045338]  __run_timers+0x7e5/0xc70
[  426.049158]  ? timer_fixup_init+0x70/0x70
[  426.053314]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.058334]  ? zap_class+0x640/0x640
[  426.062058]  ? print_usage_bug+0xc0/0xc0
[  426.066136]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.071335]  ? find_held_lock+0x36/0x1c0
[  426.075418]  ? zap_class+0x640/0x640
[  426.079143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.084684]  ? check_preemption_disabled+0x48/0x280
[  426.089717]  ? __lock_is_held+0xb5/0x140
[  426.093785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.099326]  ? check_preemption_disabled+0x48/0x280
[  426.104350]  run_timer_softirq+0x52/0xb0
[  426.108412]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.113433]  __do_softirq+0x308/0xb7e
[  426.117242]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.121741]  ? lock_downgrade+0x900/0x900
[  426.125922]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.131064]  ? pvclock_read_flags+0x160/0x160
[  426.135586]  ? lapic_next_event+0x5a/0x90
[  426.139787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.145337]  ? kvm_clock_read+0x18/0x30
[  426.149317]  ? kvm_sched_clock_read+0x9/0x20
[  426.153750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.159295]  ? check_preemption_disabled+0x48/0x280
[  426.164327]  irq_exit+0x17f/0x1c0
[  426.167787]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.172633]  ? smp_reschedule_interrupt+0x109/0x650
[  426.177652]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.183542]  ? interrupt_entry+0xb5/0xc0
[  426.187620]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.192638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.197659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.202507]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.207527]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.212548]  ? task_prio+0x50/0x50
[  426.216109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.221659]  ? check_preemption_disabled+0x48/0x280
[  426.226688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.231569]  apic_timer_interrupt+0xf/0x20
[  426.235838]  </IRQ>
[  426.238107] RIP: 0010:console_unlock+0x102f/0x1190
[  426.243040] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  426.261939] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  426.269656] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  426.276947] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  426.284217] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  426.291500] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  426.298779] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  426.306056]  ? netconsole_netdev_event+0x280/0x280
[  426.311059]  ? console_unlock+0x1026/0x1190
[  426.315422]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  426.320110]  ? vprintk_emit+0x846/0x990
[  426.324100]  ? lock_release+0xa00/0xa00
[  426.328398]  ? trace_hardirqs_on+0x20/0x310
[  426.332724]  ? vprintk_default+0x28/0x30
[  426.336790]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.341900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.347459]  vprintk_emit+0x391/0x990
[  426.351266]  ? wake_up_klogd+0x180/0x180
[  426.355340]  ? match_held_lock+0x8c1/0x8d0
[  426.359587]  ? mark_held_locks+0xc7/0x130
[  426.363774]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.368274]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.372779]  vprintk_default+0x28/0x30
[  426.376682]  vprintk_func+0x7e/0x181
[  426.380399]  printk+0xa7/0xcf
[  426.383511]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  426.388277]  ? _raw_spin_unlock_irq+0x60/0x80
[  426.392789]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  426.398092]  dump_header+0x7cc/0xf72
[  426.401826]  ? pagefault_out_of_memory+0x197/0x197
[  426.406768]  ? __lock_acquire+0x62f/0x4c20
[  426.411011]  ? percpu_ref_get_many+0x240/0x240
[  426.415604]  ? print_usage_bug+0xc0/0xc0
[  426.419673]  ? zap_class+0x640/0x640
[  426.423391]  ? print_usage_bug+0xc0/0xc0
[  426.427459]  ? zap_class+0x640/0x640
[  426.431176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.437220]  ? find_held_lock+0x36/0x1c0
[  426.441296]  ? mark_held_locks+0xc7/0x130
[  426.445459]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.450566]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.455681]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.460275]  ? trace_hardirqs_on+0xbd/0x310
[  426.464606]  ? kasan_check_read+0x11/0x20
[  426.468752]  ? ___ratelimit+0x3b4/0x672
[  426.472742]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.477868]  ? trace_hardirqs_on+0x310/0x310
[  426.482285]  ? lock_downgrade+0x900/0x900
[  426.486447]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.491551]  ? ___ratelimit+0x3b9/0x672
[  426.495529]  ? idr_get_free+0xf70/0xf70
[  426.499519]  ? find_held_lock+0x36/0x1c0
[  426.503614]  oom_kill_process.cold.27+0x10/0x903
[  426.508399]  ? zap_class+0x640/0x640
[  426.512123]  ? check_preemption_disabled+0x48/0x280
[  426.517152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.522091]  ? kasan_check_read+0x11/0x20
[  426.526243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.531527]  ? oom_evaluate_task+0x540/0x540
[  426.535947]  ? find_held_lock+0x36/0x1c0
[  426.540019]  ? out_of_memory+0x974/0x1430
[  426.544177]  ? lock_downgrade+0x900/0x900
[  426.548329]  ? check_preemption_disabled+0x48/0x280
[  426.553351]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.558282]  ? kasan_check_read+0x11/0x20
[  426.562436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.567718]  ? rcu_softirq_qs+0x20/0x20
[  426.571701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.577268]  ? oom_evaluate_task+0x302/0x540
[  426.581728]  out_of_memory+0xa84/0x1430
[  426.585725]  ? oom_killer_disable+0x3a0/0x3a0
[  426.590225]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  426.595162]  ? __ww_mutex_check_waiters+0x160/0x160
[  426.600196]  __alloc_pages_slowpath+0x2354/0x2e10
[  426.605075]  ? warn_alloc+0x120/0x120
[  426.608886]  ? mark_held_locks+0x130/0x130
[  426.613141]  ? find_get_entry+0xaae/0x1120
[  426.617390]  ? filemap_map_pages+0x1a20/0x1a20
[  426.621995]  ? zap_class+0x640/0x640
[  426.625718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.631274]  ? check_preemption_disabled+0x48/0x280
[  426.636312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.641856]  ? should_fail+0x22d/0xd01
[  426.645766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.650880]  ? zap_class+0x640/0x640
[  426.654641]  ? __lock_is_held+0xb5/0x140
[  426.658717]  ? mark_held_locks+0x130/0x130
[  426.662983]  ? lock_release+0xa00/0xa00
[  426.666959]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.672410]  ? xa_load+0x2ba/0x460
[  426.675954]  ? lock_downgrade+0x900/0x900
[  426.680118]  ? __might_sleep+0x95/0x190
[  426.684127]  __alloc_pages_nodemask+0xa80/0xde0
[  426.688807]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.693850]  ? __page_cache_alloc+0x191/0x5c0
[  426.698346]  ? xa_load+0x2e1/0x460
[  426.701892]  ? xa_clear_mark+0x40/0x40
[  426.705783]  ? zap_class+0x640/0x640
[  426.709507]  ? zap_class+0x640/0x640
[  426.713222]  ? zap_class+0x640/0x640
[  426.716944]  ? __do_page_cache_readahead+0x663/0x810
[  426.722056]  ? find_held_lock+0x36/0x1c0
[  426.726158]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  426.731721]  alloc_pages_current+0x173/0x350
[  426.736171]  __page_cache_alloc+0x38c/0x5c0
[  426.740493]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.745422]  ? kasan_check_read+0x11/0x20
[  426.749571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.754856]  ? generic_perform_write+0x6a0/0x6a0
[  426.759619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.765160]  ? check_preemption_disabled+0x48/0x280
[  426.770189]  filemap_fault+0x1595/0x25f0
[  426.774270]  ? __lock_page_or_retry+0xa00/0xa00
[  426.778974]  ? mark_held_locks+0x130/0x130
[  426.783241]  ? filemap_map_pages+0xd6b/0x1a20
[  426.787741]  ? lock_downgrade+0x900/0x900
[  426.791888]  ? check_preemption_disabled+0x48/0x280
[  426.796909]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.801852]  ? kasan_check_read+0x11/0x20
[  426.806004]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.811335]  ? rcu_softirq_qs+0x20/0x20
[  426.815343]  ? filemap_map_pages+0xd92/0x1a20
[  426.819855]  ? find_get_entries_tag+0x1400/0x1400
[  426.824710]  ? debug_object_destroy+0x2b0/0x2b0
[  426.829385]  ? lock_pi_update_atomic+0x150/0x150
[  426.834142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.839711]  ? lock_acquire+0x1ed/0x520
[  426.843865]  ? ext4_filemap_fault+0x7a/0xad
[  426.848202]  ? lock_release+0xa00/0xa00
[  426.852176]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.857630]  ? print_usage_bug+0xc0/0xc0
[  426.861698]  ? print_usage_bug+0xc0/0xc0
[  426.865775]  ? down_read+0x8d/0x120
[  426.869402]  ? ext4_filemap_fault+0x7a/0xad
[  426.873729]  ? __down_interruptible+0x700/0x700
[  426.878410]  ext4_filemap_fault+0x82/0xad
[  426.882567]  __do_fault+0x100/0x6b0
[  426.886209]  ? pmd_devmap_trans_unstable+0x220/0x220
[  426.891329]  ? mark_held_locks+0x130/0x130
[  426.895572]  ? mark_held_locks+0x130/0x130
[  426.899833]  ? debug_smp_processor_id+0x1c/0x20
[  426.904503]  ? perf_trace_lock+0x14d/0x7a0
[  426.908759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.914303]  __handle_mm_fault+0x3ea6/0x5be0
[  426.918742]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  426.923590]  ? lock_is_held_type+0x210/0x210
[  426.928018]  ? ksys_dup3+0x680/0x680
[  426.931754]  ? zap_class+0x640/0x640
[  426.935484]  ? zap_class+0x640/0x640
[  426.939205]  ? __x64_sys_futex+0x53e/0x6a0
[  426.943451]  ? find_held_lock+0x36/0x1c0
[  426.947525]  ? handle_mm_fault+0x42a/0xc70
[  426.951762]  ? lock_downgrade+0x900/0x900
[  426.955913]  ? check_preemption_disabled+0x48/0x280
[  426.960938]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.965869]  ? kasan_check_read+0x11/0x20
[  426.970035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.975350]  ? rcu_softirq_qs+0x20/0x20
[  426.979328]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.984434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.989984]  ? check_preemption_disabled+0x48/0x280
[  426.995019]  handle_mm_fault+0x54f/0xc70
[  426.999093]  ? __handle_mm_fault+0x5be0/0x5be0
[  427.003697]  ? find_vma+0x34/0x190
[  427.007255]  __do_page_fault+0x5e8/0xe60
[  427.011319]  ? trace_hardirqs_off+0xb8/0x310
[  427.015745]  do_page_fault+0xf2/0x7e0
[  427.019549]  ? vmalloc_sync_all+0x30/0x30
[  427.023715]  ? error_entry+0x70/0xd0
[  427.027431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.032453]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.037384]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.042317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.047181]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.052198]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.057672]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.062719]  ? page_fault+0x8/0x30
[  427.066271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.071120]  ? page_fault+0x8/0x30
[  427.074678]  page_fault+0x1e/0x30
[  427.078133] RIP: 0033:0x40f9c0
[  427.081344] Code: Bad RIP value.
[  427.084705] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  427.090066] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  427.097353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  427.104623] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  427.111888] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  427.119167] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  427.126472] warn_alloc_show_mem: 1 callbacks suppressed
[  427.126484] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  427.126486] Mem-Info:
[  427.126517] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  427.126517]  active_file:15 inactive_file:12 isolated_file:0
[  427.126517]  unevictable:0 dirty:0 writeback:0 unstable:0
[  427.126517]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  427.126517]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  427.126517]  free:13790 free_pcp:473 free_cma:0
[  427.131864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.138275] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.140691] Call Trace:
[  427.173742] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  427.183108]  dump_stack+0x244/0x39d
[  427.183128]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.210781] lowmem_reserve[]: 0 2818 6321 6321
[  427.213388]  warn_alloc.cold.116+0xb7/0x1bd
[  427.239468] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  427.243110]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.248271] lowmem_reserve[]: 0 0 3503 3503
[  427.252856]  ? lock_downgrade+0x900/0x900
[  427.257169] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  427.284676]  ? trace_hardirqs_off+0xb8/0x310
[  427.289492] lowmem_reserve[]: 0 0 0 0
[  427.293825]  ? trace_hardirqs_off+0xb8/0x310
[  427.297951] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  427.327123]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.331502] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  427.335331]  ? warn_alloc+0x120/0x120
[  427.339696] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  427.353219]  ? print_usage_bug+0xc0/0xc0
[  427.358046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.373383]  ? warn_alloc+0x120/0x120
[  427.377197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.392548]  ? warn_alloc+0x120/0x120
[  427.396587] 2571 total pagecache pages
[  427.405422]  ? print_usage_bug+0xc0/0xc0
[  427.409209] 0 pages in swap cache
[  427.417791]  ? print_usage_bug+0xc0/0xc0
[  427.421573] Swap cache stats: add 0, delete 0, find 0/0
[  427.425455]  ? __lock_acquire+0x62f/0x4c20
[  427.429498] Free swap  = 0kB
[  427.432953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.436990] Total swap = 0kB
[  427.442350]  ? should_fail+0x22d/0xd01
[  427.446564] 1965979 pages RAM
[  427.449579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.455106] 0 pages HighMem/MovableOnly
[  427.458132]  ? __lock_acquire+0x62f/0x4c20
[  427.461997] 342855 pages reserved
[  427.465111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.470177] 0 pages cma reserved
[  427.474149]  ? __lock_acquire+0x62f/0x4c20
[  427.478431] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.481815]  ? should_fail+0x22d/0xd01
[  427.481831]  ? find_held_lock+0x36/0x1c0
[  427.487016] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.490304]  ? mark_held_locks+0x130/0x130
[  427.494529] syz-fuzzer cpuset=/ mems_allowed=0
[  427.501026]  ? mark_held_locks+0x130/0x130
[  427.532156]  ? zap_class+0x640/0x640
[  427.535873]  ? zap_class+0x640/0x640
[  427.539595]  ? print_usage_bug+0xc0/0xc0
[  427.543667]  ? do_raw_spin_unlock+0xa7/0x330
[  427.548102]  ? zap_class+0x640/0x640
[  427.551820]  ? print_usage_bug+0xc0/0xc0
[  427.555883]  ? wq_watchdog_touch+0x9c/0xfe
[  427.560129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.565670]  ? check_preemption_disabled+0x48/0x280
[  427.570700]  ? __lock_is_held+0xb5/0x140
[  427.574777]  __alloc_pages_nodemask+0xa80/0xde0
[  427.579455]  ? zap_class+0x640/0x640
[  427.583187]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.588237]  ? find_held_lock+0x36/0x1c0
[  427.592324]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.597010]  ? lock_downgrade+0x900/0x900
[  427.601168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.606724]  cache_grow_begin+0xa5/0x8c0
[  427.610784]  ? do_raw_spin_unlock+0xa7/0x330
[  427.615219]  fallback_alloc+0x204/0x2e0
[  427.619206]  ____cache_alloc_node+0x1c7/0x1e0
[  427.623733]  kmem_cache_alloc_node+0xe3/0x730
[  427.628241]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.632492]  __alloc_skb+0x119/0x770
[  427.636205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.641487]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.645896]  ? lock_downgrade+0x900/0x900
[  427.650053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.655600]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.661079]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  427.666555]  ? addrconf_rs_timer+0x690/0x690
[  427.670983]  ndisc_alloc_skb+0x144/0x340
[  427.675052]  ndisc_send_rs+0x331/0x6e0
[  427.678958]  addrconf_rs_timer+0x314/0x690
[  427.683202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.687450]  call_timer_fn+0x272/0x920
[  427.691345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.695595]  ? process_timeout+0x40/0x40
[  427.699669]  ? __run_timers+0x7da/0xc70
[  427.703651]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.708151]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.712645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.716887]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.721481]  ? trace_hardirqs_on+0xbd/0x310
[  427.725813]  ? kasan_check_read+0x11/0x20
[  427.729958]  ? __run_timers+0x7da/0xc70
[  427.733938]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.739052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.743306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.747539]  __run_timers+0x7e5/0xc70
[  427.751353]  ? timer_fixup_init+0x70/0x70
[  427.755509]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.760018]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.764514]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.769112]  ? trace_hardirqs_on+0xbd/0x310
[  427.773484]  ? kasan_check_read+0x11/0x20
[  427.777636]  ? finish_task_switch+0x1f4/0x910
[  427.782134]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.787244]  ? compat_start_thread+0x80/0x80
[  427.791678]  ? pvclock_read_flags+0x160/0x160
[  427.796178]  ? __switch_to_asm+0x34/0x70
[  427.800255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.805825]  ? check_preemption_disabled+0x48/0x280
[  427.810856]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  427.816401]  ? rcu_pm_notify+0xc0/0xc0
[  427.820296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.825838]  ? check_preemption_disabled+0x48/0x280
[  427.830862]  run_timer_softirq+0x52/0xb0
[  427.834923]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.839940]  __do_softirq+0x308/0xb7e
[  427.843763]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.848696]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.853819]  ? schedule+0x108/0x460
[  427.857459]  ? trace_hardirqs_off+0xb8/0x310
[  427.861868]  ? smpboot_thread_fn+0x68b/0xa00
[  427.866281]  ? trace_hardirqs_on+0x310/0x310
[  427.870698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.876235]  ? check_preemption_disabled+0x48/0x280
[  427.881259]  ? takeover_tasklets+0xa90/0xa90
[  427.885684]  run_ksoftirqd+0x5e/0x100
[  427.889492]  smpboot_thread_fn+0x68b/0xa00
[  427.893733]  ? sort_range+0x30/0x30
[  427.897363]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.902474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.908016]  ? __kthread_parkme+0xfb/0x1a0
[  427.912282]  ? sort_range+0x30/0x30
[  427.915922]  kthread+0x35a/0x440
[  427.919292]  ? kthread_stop+0x900/0x900
[  427.923273]  ret_from_fork+0x3a/0x50
[  427.927020] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  427.927123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.933608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.933617] Call Trace:
[  427.940201] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.949462]  <IRQ>
[  427.952037] ksoftirqd/0 cpuset=/ mems_allowed=0
[  427.962350]  dump_stack+0x244/0x39d
[  427.972765]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.977972]  warn_alloc.cold.116+0xb7/0x1bd
[  427.982309]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.987171]  ? lock_downgrade+0x900/0x900
[  427.991332]  ? trace_hardirqs_off+0xb8/0x310
[  427.995750]  ? trace_hardirqs_off+0xb8/0x310
[  428.000172]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.005071]  ? warn_alloc+0x120/0x120
[  428.008886]  ? print_usage_bug+0xc0/0xc0
[  428.012950]  ? warn_alloc+0x120/0x120
[  428.016769]  ? warn_alloc+0x120/0x120
[  428.020575]  ? print_usage_bug+0xc0/0xc0
[  428.024646]  ? kvm_clock_read+0x18/0x30
[  428.028640]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.033674]  ? print_usage_bug+0xc0/0xc0
[  428.037741]  ? __lock_acquire+0x62f/0x4c20
[  428.041987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.047556]  ? should_fail+0x22d/0xd01
[  428.051446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.056745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.061850]  ? __lock_acquire+0x62f/0x4c20
[  428.066104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.071213]  ? __lock_acquire+0x62f/0x4c20
[  428.075467]  ? should_fail+0x22d/0xd01
[  428.079351]  ? rcu_irq_exit+0x1a2/0x390
[  428.083340]  ? mark_held_locks+0x130/0x130
[  428.087584]  ? mark_held_locks+0x130/0x130
[  428.091833]  ? mark_held_locks+0xc7/0x130
[  428.095983]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  428.101002]  ? zap_class+0x640/0x640
[  428.104732]  ? print_usage_bug+0xc0/0xc0
[  428.108801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.114341]  ? check_preemption_disabled+0x48/0x280
[  428.119372]  ? __lock_is_held+0xb5/0x140
[  428.123453]  __alloc_pages_nodemask+0xa80/0xde0
[  428.128130]  ? zap_class+0x640/0x640
[  428.131856]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.136886]  ? find_held_lock+0x36/0x1c0
[  428.140960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.145631]  ? lock_downgrade+0x900/0x900
[  428.149787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.155332]  cache_grow_begin+0xa5/0x8c0
[  428.159395]  ? do_raw_spin_unlock+0xa7/0x330
[  428.163813]  fallback_alloc+0x204/0x2e0
[  428.167801]  ____cache_alloc_node+0x1c7/0x1e0
[  428.172304]  kmem_cache_alloc_node+0xe3/0x730
[  428.176808]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.181059]  __alloc_skb+0x119/0x770
[  428.184785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.190069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.194496]  ? lock_downgrade+0x900/0x900
[  428.198663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.204202]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.209671]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.215127]  ? addrconf_rs_timer+0x690/0x690
[  428.219548]  ndisc_alloc_skb+0x144/0x340
[  428.223619]  ndisc_send_rs+0x331/0x6e0
[  428.227514]  addrconf_rs_timer+0x314/0x690
[  428.231760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.236010]  call_timer_fn+0x272/0x920
[  428.239902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.244151]  ? process_timeout+0x40/0x40
[  428.248233]  ? mark_held_locks+0xc7/0x130
[  428.252389]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.256886]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.261404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.265654]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.270268]  ? trace_hardirqs_on+0xbd/0x310
[  428.274590]  ? kasan_check_read+0x11/0x20
[  428.278748]  ? __run_timers+0x7da/0xc70
[  428.282741]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.287850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.292091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.296330]  __run_timers+0x7e5/0xc70
[  428.300147]  ? timer_fixup_init+0x70/0x70
[  428.304304]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.309322]  ? zap_class+0x640/0x640
[  428.313047]  ? print_usage_bug+0xc0/0xc0
[  428.317113]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.322319]  ? find_held_lock+0x36/0x1c0
[  428.326389]  ? zap_class+0x640/0x640
[  428.330319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.335862]  ? check_preemption_disabled+0x48/0x280
[  428.340893]  ? __lock_is_held+0xb5/0x140
[  428.344959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.350498]  ? check_preemption_disabled+0x48/0x280
[  428.355550]  run_timer_softirq+0x52/0xb0
[  428.359620]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.364684]  __do_softirq+0x308/0xb7e
[  428.368500]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.372996]  ? lock_downgrade+0x900/0x900
[  428.377159]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.382275]  ? pvclock_read_flags+0x160/0x160
[  428.386777]  ? lapic_next_event+0x5a/0x90
[  428.390935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.396484]  ? kvm_clock_read+0x18/0x30
[  428.400462]  ? kvm_sched_clock_read+0x9/0x20
[  428.404877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.410419]  ? check_preemption_disabled+0x48/0x280
[  428.415449]  irq_exit+0x17f/0x1c0
[  428.418912]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.423755]  ? smp_reschedule_interrupt+0x109/0x650
[  428.428776]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.434665]  ? interrupt_entry+0xb5/0xc0
[  428.439196]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.444215]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.449239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.454098]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.459121]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.464142]  ? task_prio+0x50/0x50
[  428.467691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.473237]  ? check_preemption_disabled+0x48/0x280
[  428.478262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.483124]  apic_timer_interrupt+0xf/0x20
[  428.487354]  </IRQ>
[  428.489600] RIP: 0010:console_unlock+0x102f/0x1190
[  428.494533] Code: b0 fa 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 41 8b ec 07 00 74 25 e8 8a 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 8f 52 5d 00 e9 f2 fb ff
[  428.513432] RSP: 0000:ffff8801d5ac5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  428.521144] RAX: ffff8801b73585c0 RBX: 0000000000000200 RCX: 1ffff10036e6b1db
[  428.528414] RDX: 0000000000000000 RSI: ffffffff81656f76 RDI: 0000000000000293
[  428.535684] RBP: ffff8801d5ac5fb0 R08: ffff8801b7358ed8 R09: 0000000000000006
[  428.542952] R10: 0000000000000000 R11: ffff8801b73585c0 R12: dffffc0000000000
[  428.550244] R13: ffffffff848feae0 R14: dffffc0000000000 R15: ffffffff89b4c7d0
[  428.557554]  ? netconsole_netdev_event+0x280/0x280
[  428.562524]  ? console_unlock+0x1026/0x1190
[  428.566887]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  428.571555]  ? vprintk_emit+0x846/0x990
[  428.575561]  ? lock_release+0xa00/0xa00
[  428.579543]  ? trace_hardirqs_on+0x20/0x310
[  428.583866]  ? vprintk_default+0x28/0x30
[  428.587962]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.593091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.598678]  vprintk_emit+0x391/0x990
[  428.602488]  ? wake_up_klogd+0x180/0x180
[  428.606585]  ? match_held_lock+0x8c1/0x8d0
[  428.610844]  ? mark_held_locks+0xc7/0x130
[  428.614996]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.619503]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.624026]  vprintk_default+0x28/0x30
[  428.627922]  vprintk_func+0x7e/0x181
[  428.631642]  printk+0xa7/0xcf
[  428.634757]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  428.639522]  ? _raw_spin_unlock_irq+0x60/0x80
[  428.644033]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  428.649328]  dump_header+0x7cc/0xf72
[  428.653054]  ? pagefault_out_of_memory+0x197/0x197
[  428.658002]  ? __lock_acquire+0x62f/0x4c20
[  428.662240]  ? percpu_ref_get_many+0x240/0x240
[  428.666832]  ? print_usage_bug+0xc0/0xc0
[  428.670902]  ? zap_class+0x640/0x640
[  428.674634]  ? print_usage_bug+0xc0/0xc0
[  428.678700]  ? zap_class+0x640/0x640
[  428.682422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.687972]  ? find_held_lock+0x36/0x1c0
[  428.692047]  ? mark_held_locks+0xc7/0x130
[  428.696205]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.701310]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.706419]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.711004]  ? trace_hardirqs_on+0xbd/0x310
[  428.715328]  ? kasan_check_read+0x11/0x20
[  428.719478]  ? ___ratelimit+0x3b4/0x672
[  428.723460]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.728568]  ? trace_hardirqs_on+0x310/0x310
[  428.732983]  ? lock_downgrade+0x900/0x900
[  428.737161]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.742268]  ? ___ratelimit+0x3b9/0x672
[  428.746249]  ? idr_get_free+0xf70/0xf70
[  428.750251]  ? find_held_lock+0x36/0x1c0
[  428.754328]  oom_kill_process.cold.27+0x10/0x903
[  428.759096]  ? zap_class+0x640/0x640
[  428.762816]  ? check_preemption_disabled+0x48/0x280
[  428.767841]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.772772]  ? kasan_check_read+0x11/0x20
[  428.776920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.782199]  ? oom_evaluate_task+0x540/0x540
[  428.786619]  ? find_held_lock+0x36/0x1c0
[  428.790693]  ? out_of_memory+0x974/0x1430
[  428.794853]  ? lock_downgrade+0x900/0x900
[  428.799003]  ? check_preemption_disabled+0x48/0x280
[  428.804029]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.808959]  ? kasan_check_read+0x11/0x20
[  428.813117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.818397]  ? rcu_softirq_qs+0x20/0x20
[  428.822380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.827923]  ? oom_evaluate_task+0x302/0x540
[  428.832337]  out_of_memory+0xa84/0x1430
[  428.836327]  ? oom_killer_disable+0x3a0/0x3a0
[  428.840828]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  428.845763]  ? __ww_mutex_check_waiters+0x160/0x160
[  428.850796]  __alloc_pages_slowpath+0x2354/0x2e10
[  428.855671]  ? warn_alloc+0x120/0x120
[  428.859489]  ? mark_held_locks+0x130/0x130
[  428.863733]  ? find_get_entry+0xaae/0x1120
[  428.867980]  ? filemap_map_pages+0x1a20/0x1a20
[  428.872572]  ? zap_class+0x640/0x640
[  428.876306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.881846]  ? check_preemption_disabled+0x48/0x280
[  428.886865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.892409]  ? should_fail+0x22d/0xd01
[  428.896306]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.901416]  ? zap_class+0x640/0x640
[  428.905165]  ? __lock_is_held+0xb5/0x140
[  428.909240]  ? mark_held_locks+0x130/0x130
[  428.913485]  ? lock_release+0xa00/0xa00
[  428.917462]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.922914]  ? xa_load+0x2ba/0x460
[  428.926462]  ? lock_downgrade+0x900/0x900
[  428.930622]  ? __might_sleep+0x95/0x190
[  428.934610]  __alloc_pages_nodemask+0xa80/0xde0
[  428.939290]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.944315]  ? __page_cache_alloc+0x191/0x5c0
[  428.948814]  ? xa_load+0x2e1/0x460
[  428.952362]  ? xa_clear_mark+0x40/0x40
[  428.956254]  ? zap_class+0x640/0x640
[  428.959979]  ? zap_class+0x640/0x640
[  428.963694]  ? zap_class+0x640/0x640
[  428.967414]  ? __do_page_cache_readahead+0x663/0x810
[  428.972525]  ? find_held_lock+0x36/0x1c0
[  428.976605]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  428.982154]  alloc_pages_current+0x173/0x350
[  428.986573]  __page_cache_alloc+0x38c/0x5c0
[  428.990900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.995833]  ? kasan_check_read+0x11/0x20
[  428.999983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.005266]  ? generic_perform_write+0x6a0/0x6a0
[  429.010026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.015570]  ? check_preemption_disabled+0x48/0x280
[  429.020609]  filemap_fault+0x1595/0x25f0
[  429.024690]  ? __lock_page_or_retry+0xa00/0xa00
[  429.029362]  ? mark_held_locks+0x130/0x130
[  429.033614]  ? filemap_map_pages+0xd6b/0x1a20
[  429.038120]  ? lock_downgrade+0x900/0x900
[  429.042273]  ? check_preemption_disabled+0x48/0x280
[  429.047299]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.052231]  ? kasan_check_read+0x11/0x20
[  429.056381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.061658]  ? rcu_softirq_qs+0x20/0x20
[  429.065664]  ? filemap_map_pages+0xd92/0x1a20
[  429.070182]  ? find_get_entries_tag+0x1400/0x1400
[  429.075029]  ? debug_object_destroy+0x2b0/0x2b0
[  429.079704]  ? lock_pi_update_atomic+0x150/0x150
[  429.084462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.090027]  ? lock_acquire+0x1ed/0x520
[  429.094034]  ? ext4_filemap_fault+0x7a/0xad
[  429.098363]  ? lock_release+0xa00/0xa00
[  429.102338]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.107803]  ? print_usage_bug+0xc0/0xc0
[  429.111869]  ? print_usage_bug+0xc0/0xc0
[  429.115957]  ? down_read+0x8d/0x120
[  429.119586]  ? ext4_filemap_fault+0x7a/0xad
[  429.123916]  ? __down_interruptible+0x700/0x700
[  429.128607]  ext4_filemap_fault+0x82/0xad
[  429.132758]  __do_fault+0x100/0x6b0
[  429.136390]  ? pmd_devmap_trans_unstable+0x220/0x220
[  429.141499]  ? mark_held_locks+0x130/0x130
[  429.145738]  ? mark_held_locks+0x130/0x130
[  429.149984]  ? debug_smp_processor_id+0x1c/0x20
[  429.154654]  ? perf_trace_lock+0x14d/0x7a0
[  429.158904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.164457]  __handle_mm_fault+0x3ea6/0x5be0
[  429.168886]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  429.173731]  ? lock_is_held_type+0x210/0x210
[  429.178150]  ? ksys_dup3+0x680/0x680
[  429.181883]  ? zap_class+0x640/0x640
[  429.185604]  ? zap_class+0x640/0x640
[  429.189332]  ? __x64_sys_futex+0x53e/0x6a0
[  429.193572]  ? find_held_lock+0x36/0x1c0
[  429.197653]  ? handle_mm_fault+0x42a/0xc70
[  429.201916]  ? lock_downgrade+0x900/0x900
[  429.206064]  ? check_preemption_disabled+0x48/0x280
[  429.211132]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.216064]  ? kasan_check_read+0x11/0x20
[  429.220223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.225501]  ? rcu_softirq_qs+0x20/0x20
[  429.229481]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.234589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.240139]  ? check_preemption_disabled+0x48/0x280
[  429.245171]  handle_mm_fault+0x54f/0xc70
[  429.249240]  ? __handle_mm_fault+0x5be0/0x5be0
[  429.253835]  ? find_vma+0x34/0x190
[  429.257384]  __do_page_fault+0x5e8/0xe60
[  429.261445]  ? trace_hardirqs_off+0xb8/0x310
[  429.265868]  do_page_fault+0xf2/0x7e0
[  429.269672]  ? vmalloc_sync_all+0x30/0x30
[  429.273822]  ? error_entry+0x70/0xd0
[  429.277539]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.282560]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.287514]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.292443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.297289]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.302310]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.307768]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.312802]  ? page_fault+0x8/0x30
[  429.316352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.321210]  ? page_fault+0x8/0x30
[  429.324754]  page_fault+0x1e/0x30
[  429.328213] RIP: 0033:0x40f9c0
[  429.331421] Code: Bad RIP value.
[  429.334784] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  429.340151] RAX: ffffffffffffff92 RBX: 000000003b977fa9 RCX: 000000000045ddf3
[  429.347417] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  429.354684] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  429.361956] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000002
[  429.369226] R13: 000000c426ffcfc0 R14: 0000000000000001 R15: 0000000000000000
[  429.376694] warn_alloc_show_mem: 1 callbacks suppressed
[  429.376706] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #78
[  429.376708] Mem-Info:
[  429.376739] active_anon:49841 inactive_anon:1444 isolated_anon:0
[  429.376739]  active_file:15 inactive_file:12 isolated_file:0
[  429.376739]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.376739]  slab_reclaimable:9214 slab_unreclaimable:1469087
[  429.376739]  mapped:24595 shmem:2544 pagetables:516 bounce:0
[  429.376739]  free:13790 free_pcp:473 free_cma:0
[  429.382090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.388504] Node 0 active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98380kB dirty:0kB writeback:0kB shmem:10176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.390905] Call Trace:
[  429.423953] 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
[  429.433316]  dump_stack+0x244/0x39d
[  429.460983] lowmem_reserve[]: 0 2818 6321 6321
[  429.463573]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.489661] Node 0 DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:220kB local_pcp:220kB free_cma:0kB
[  429.493300]  warn_alloc.cold.116+0xb7/0x1bd
[  429.497844] lowmem_reserve[]: 0 0 3503 3503
[  429.503042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.530541] Node 0 Normal free:13984kB min:37364kB low:46704kB high:56044kB active_anon:199364kB inactive_anon:5776kB active_file:60kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2064kB bounce:0kB free_pcp:1672kB local_pcp:1324kB free_cma:0kB
[  429.534865]  ? lock_downgrade+0x900/0x900
[  429.539163] lowmem_reserve[]: 0 0 0 0
[  429.544009]  ? trace_hardirqs_off+0xb8/0x310
[  429.573145] 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
[  429.577305]  ? trace_hardirqs_off+0xb8/0x310
[  429.581083] Node 0 DMA32: 5*4kB (MH) 2*8kB (UH) 1*16kB (M) 4*32kB (MH) 4*64kB (MH) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  429.585512]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.599000] Node 0 Normal: 810*4kB (UMEH) 441*8kB (UMEH) 215*16kB (UMEH) 77*32kB (UMEH) 11*64kB (UMH) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14016kB
[  429.603448]  ? warn_alloc+0x120/0x120
[  429.618757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.623596]  ? print_usage_bug+0xc0/0xc0
[  429.638949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.642744]  ? warn_alloc+0x120/0x120
[  429.651562] 2571 total pagecache pages
[  429.655623]  ? warn_alloc+0x120/0x120
[  429.664188] 0 pages in swap cache
[  429.667979]  ? print_usage_bug+0xc0/0xc0
[  429.671847] Swap cache stats: add 0, delete 0, find 0/0
[  429.675642]  ? print_usage_bug+0xc0/0xc0
[  429.679077] Free swap  = 0kB
[  429.683159]  ? __lock_acquire+0x62f/0x4c20
[  429.688508] Total swap = 0kB
[  429.692574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.695565] 1965979 pages RAM
[  429.699799]  ? should_fail+0x22d/0xd01
[  429.702798] 0 pages HighMem/MovableOnly
[  429.708333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.711422] 342855 pages reserved
[  429.715306]  ? __lock_acquire+0x62f/0x4c20
[  429.719258] 0 pages cma reserved
[  429.724358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.727846] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.732012]  ? __lock_acquire+0x62f/0x4c20
[  429.732028]  ? should_fail+0x22d/0xd01
[  429.735958] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.740482]  ? find_held_lock+0x36/0x1c0
[  429.740507]  ? mark_held_locks+0x130/0x130
[  429.747207] syz-fuzzer cpuset=/ mems_allowed=0
[  429.751449]  ? mark_held_locks+0x130/0x130
[  429.751467]  ? zap_class+0x640/0x640
[  429.786534]  ? mark_held_locks+0xc7/0x130
[  429.790686]  ? do_raw_spin_unlock+0xa7/0x330
[  429.795109]  ? zap_class+0x640/0x640
[  429.798832]  ? print_usage_bug+0xc0/0xc0
[  429.802904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.808448]  ? check_preemption_disabled+0x48/0x280
[  429.813480]  ? __lock_is_held+0xb5/0x140
[  429.817551]  __alloc_pages_nodemask+0xa80/0xde0
[  429.822222]  ? zap_class+0x640/0x640
[  429.825942]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.830972]  ? find_held_lock+0x36/0x1c0
[  429.835048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.839733]  ? lock_downgrade+0x900/0x900
[  429.843891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.849438]  cache_grow_begin+0xa5/0x8c0
[  429.853503]  ? do_raw_spin_unlock+0xa7/0x330
[  429.857921]  fallback_alloc+0x204/0x2e0
[  429.861909]  ____cache_alloc_node+0x1c7/0x1e0
[  429.866413]  kmem_cache_alloc_node+0xe3/0x730
[  429.870911]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.875165]  __alloc_skb+0x119/0x770
[  429.878891]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.884180]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.888595]  ? lock_downgrade+0x900/0x900
[  429.892759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.898302]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.903759]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.909223]  ? addrconf_rs_timer+0x690/0x690
[  429.913648]  ndisc_alloc_skb+0x144/0x340
[  429.917716]  ndisc_send_rs+0x331/0x6e0
[  429.921615]  addrconf_rs_timer+0x314/0x690
[  429.925860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.930155]  call_timer_fn+0x272/0x920
[  429.934054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.938301]  ? process_timeout+0x40/0x40
[  429.942372]  ? __run_timers+0x7da/0xc70
[  429.946356]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.950855]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.955352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.959589]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.964179]  ? trace_hardirqs_on+0xbd/0x310
[  429.968503]  ? kasan_check_read+0x11/0x20
[  429.972649]  ? __run_timers+0x7da/0xc70
[  429.976637]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.981746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.985987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.990223]  __run_timers+0x7e5/0xc70
[  429.994039]  ? timer_fixup_init+0x70/0x70
[  429.998210]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.002709]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.007207]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.011797]  ? trace_hardirqs_on+0xbd/0x310
[  430.016126]  ? kasan_check_read+0x11/0x20
[  430.020282]  ? finish_task_switch+0x1f4/0x910
[  430.024780]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.029921]  ? compat_start_thread+0x80/0x80
[  430.034367]  ? pvclock_read_flags+0x160/0x160
[  430.038867]  ? __switch_to_asm+0x34/0x70
[  430.042936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.048489]  ? check_preemption_disabled+0x48/0x280
[  430.053519]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  430.059063]  ? rcu_pm_notify+0xc0/0xc0
[  430.062968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.068511]  ? check_preemption_disabled+0x48/0x280
[  430.073538]  run_timer_softirq+0x52/0xb0
[  430.077605]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.082633]  __do_softirq+0x308/0xb7e
[  430.086441]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.091379]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.096495]  ? schedule+0x108/0x460
[  430.100144]  ? trace_hardirqs_off+0xb8/0x310
[  430.104559]  ? smpboot_thread_fn+0x68b/0xa00
[  430.108971]  ? trace_hardirqs_on+0x310/0x310
[  430.113382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.118925]  ? check_preemption_disabled+0x48/0x280
[  430.123947]  ? takeover_tasklets+0xa90/0xa90
[  430.128360]  run_ksoftirqd+0x5e/0x100
[  430.132169]  smpboot_thread_fn+0x68b/0xa00
[  430.136417]  ? sort_range+0x30/0x30
[  430.140052]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.145171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.150724]  ? __kthread_parkme+0xfb/0x1a0
[  430.154966]  ? sort_range+0x30/0x30
[  430.158595]  kthread+0x35a/0x440
[  430.161967]  ? kthread_stop+0x900/0x900
[  430.165959]  ret_from_fork+0x3a/0x50
[  430.169730] CPU: 1 PID: 5717 Comm: syz-fuzzer Not tainted 4.19.0+ #78
[  430.169809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.176324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.176330] Call Trace:
[  430.176336]  <IRQ>
[  430.176354]  dump_stack+0x244/0x39d
[  430.176373]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.182921] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.192225]  warn_alloc.cold.116+0xb7/0x1bd
[  430.194781] ksoftirqd/0 cpuset=/ mems_allowed=0
[  430.196957]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.229852]  ? lock_downgrade+0x900/0x900
[  430.234016]  ? trace_hardirqs_off+0xb8/0x310
[  430.238438]  ? trace_hardirqs_off+0xb8/0x310
[  430.242857]  ? noop_count+0x40/0x40
[  430.246496]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.251366]  ? check_usage+0x1aa/0x790
[  430.255267]  ? warn_alloc+0x120/0x120
[  430.259079]  ? warn_alloc+0x120/0x120
[  430.262884]  ? __bfs+0xb0/0x780
[  430.266168]  ? warn_alloc+0x120/0x120
[  430.269977]  ? print_usage_bug+0xc0/0xc0
[  430.274057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.279604]  ? should_fail+0x22d/0xd01
[  430.283497]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  430.289387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.294497]  ? __lock_acquire+0x62f/0x4c20
[  430.298739]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.303864]  ? should_fail+0x22d/0xd01
[  430.307771]  ? mark_held_locks+0x130/0x130
[  430.312020]  ? mark_held_locks+0x130/0x130
[  430.316271]  ? print_usage_bug+0xc0/0xc0
[  430.320343]  ? find_held_lock+0x36/0x1c0
[  430.324418]  ? zap_class+0x640/0x640
[  430.328384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.333936]  ? check_preemption_disabled+0x48/0x280
[  430.338968]  ? __lock_is_held+0xb5/0x140
[  430.343042]  __alloc_pages_nodemask+0xa80/0xde0
[  430.347715]  ? zap_class+0x640/0x640
[  430.351440]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.356494]  ? find_held_lock+0x36/0x1c0
[  430.360574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.365253]  ? lock_downgrade+0x900/0x900
[  430.369414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.374964]  cache_grow_begin+0xa5/0x8c0
[  430.379030]  ? do_raw_spin_unlock+0xa7/0x330
[  430.383449]  fallback_alloc+0x204/0x2e0
[  430.387435]  ____cache_alloc_node+0x1c7/0x1e0
[  430.391963]  kmem_cache_alloc_node+0xe3/0x730
[  430.396466]  ? mark_held_locks+0xc7/0x130
[  430.400631]  __alloc_skb+0x119/0x770
[  430.404353]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.408764]  ? do_raw_spin_trylock+0x270/0x270
[  430.413351]  ? kmem_cache_alloc_trace+0x353/0x750
[  430.418202]  ? queue_work_on+0x12c/0x1e0
[  430.422277]  ? switchdev_port_obj_del+0xdc/0x440
[  430.427042]  ? switchdev_trans_item_enqueue+0x260/0x260
[  430.432410]  ? mod_timer+0x631/0x1560
[  430.436737]  ? wake_up_klogd+0x180/0x180
[  430.440806]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.445833]  __br_mdb_notify+0x4ff/0x15d0
[  430.450000]  ? __br_mdb_add+0x7f0/0x7f0
[  430.453992]  ? zap_class+0x640/0x640
[  430.457716]  ? br_multicast_group_expired+0x96/0x610
[  430.462828]  br_mdb_notify+0x310/0x410
[  430.466723]  ? br_mdb_dump+0x27b0/0x27b0
[  430.470802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.476357]  br_multicast_group_expired+0x1bc/0x610
[  430.481383]  ? br_mdb_free+0x80/0x80
[  430.485117]  call_timer_fn+0x272/0x920
[  430.489011]  ? br_mdb_free+0x80/0x80
[  430.492727]  ? process_timeout+0x40/0x40
[  430.496806]  ? mark_held_locks+0xc7/0x130
[  430.500965]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.505467]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.509962]  ? br_mdb_free+0x80/0x80
[  430.513678]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.518266]  ? trace_hardirqs_on+0xbd/0x310
[  430.522591]  ? kasan_check_read+0x11/0x20
[  430.526749]  ? __run_timers+0x7da/0xc70
[  430.530730]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.535846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.540099]  ? br_mdb_free+0x80/0x80
[  430.543818]  __run_timers+0x7e5/0xc70
[  430.547643]  ? timer_fixup_init+0x70/0x70
[  430.551800]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.556829]  ? zap_class+0x640/0x640
[  430.560552]  ? print_usage_bug+0xc0/0xc0
[  430.564624]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.569826]  ? find_held_lock+0x36/0x1c0
[  430.573905]  ? zap_class+0x640/0x640
[  430.577631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.583172]  ? check_preemption_disabled+0x48/0x280
[  430.588204]  ? __lock_is_held+0xb5/0x140
[  430.592269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.597823]  ? check_preemption_disabled+0x48/0x280
[  430.602849]  run_timer_softirq+0x52/0xb0