32]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  811.188652]  ? zap_class+0x640/0x640
[  811.192375]  ? enqueue_hrtimer+0x1a5/0x560
[  811.196635]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  811.201832]  ? find_held_lock+0x36/0x1c0
[  811.205898]  ? zap_class+0x640/0x640
[  811.209633]  ? pvclock_read_flags+0x160/0x160
[  811.214132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.219690]  ? check_preemption_disabled+0x48/0x280
[  811.224729]  ? __lock_is_held+0xb5/0x140
[  811.228792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.234346]  ? check_preemption_disabled+0x48/0x280
[  811.239371]  run_timer_softirq+0x52/0xb0
[  811.243444]  ? rcu_read_lock_sched_held+0x14f/0x180
[  811.248495]  __do_softirq+0x308/0xb7e
[  811.252301]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  811.256812]  ? lock_downgrade+0x900/0x900
[  811.260963]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  811.266074]  ? pvclock_read_flags+0x160/0x160
[  811.270598]  ? lapic_next_event+0x5a/0x90
[  811.274749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.280293]  ? kvm_clock_read+0x18/0x30
[  811.284265]  ? kvm_sched_clock_read+0x9/0x20
[  811.288721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.294259]  ? check_preemption_disabled+0x48/0x280
[  811.299285]  irq_exit+0x17f/0x1c0
[  811.302741]  smp_apic_timer_interrupt+0x1cb/0x760
[  811.307600]  ? smp_reschedule_interrupt+0x109/0x650
[  811.312623]  ? smp_call_function_single_interrupt+0x650/0x650
[  811.318511]  ? interrupt_entry+0xb5/0xc0
[  811.322575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  811.327589]  ? trace_hardirqs_off_caller+0xbb/0x310
[  811.332602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.337451]  ? trace_hardirqs_on_caller+0x310/0x310
[  811.342466]  ? trace_hardirqs_on_caller+0x310/0x310
[  811.347485]  ? task_prio+0x50/0x50
[  811.351031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.356570]  ? check_preemption_disabled+0x48/0x280
[  811.361592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.366446]  apic_timer_interrupt+0xf/0x20
[  811.370678]  </IRQ>
[  811.372924] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  811.378808] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  811.397703] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  811.405417] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  811.412690] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  811.419956] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  811.427234] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  811.434527] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  811.441838]  ? save_stack+0xa9/0xd0
[  811.445478]  __kmalloc_node_track_caller+0x3c/0x70
[  811.450419]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  811.455182]  pskb_expand_head+0x230/0x10f0
[  811.459428]  ? check_preemption_disabled+0x48/0x280
[  811.464451]  ? memcpy+0x45/0x50
[  811.467729]  ? __copy_skb_header+0x350/0x6b0
[  811.472138]  ? skb_release_data+0x880/0x880
[  811.476456]  ? __alloc_skb+0x770/0x770
[  811.480362]  ? __lock_is_held+0xb5/0x140
[  811.484438]  ? kasan_check_write+0x14/0x20
[  811.488699]  ? __skb_clone+0x6c7/0xa00
[  811.492593]  ? __copy_skb_header+0x6b0/0x6b0
[  811.496996]  ? kmem_cache_alloc+0x33a/0x730
[  811.501321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.506876]  skb_ensure_writable+0x3dd/0x640
[  811.511308]  ? skb_checksum_setup+0xaa0/0xaa0
[  811.515806]  ? preempt_notifier_register+0x200/0x200
[  811.520937]  ? __switch_to_asm+0x34/0x70
[  811.525004]  ? __switch_to_asm+0x34/0x70
[  811.529066]  ? __switch_to_asm+0x40/0x70
[  811.533128]  ? __switch_to_asm+0x34/0x70
[  811.537188]  ? __switch_to_asm+0x40/0x70
[  811.541255]  ? __switch_to_asm+0x40/0x70
[  811.545319]  ? __switch_to_asm+0x34/0x70
[  811.549385]  ? __switch_to_asm+0x34/0x70
[  811.553459]  ? __switch_to_asm+0x40/0x70
[  811.557520]  ? __switch_to_asm+0x34/0x70
[  811.561607]  bpf_clone_redirect+0x14a/0x490
[  811.565945]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  811.570968]  ? __sched_text_start+0x8/0x8
[  811.575118]  ? retint_kernel+0x2d/0x2d
[  811.579017]  ? find_held_lock+0x36/0x1c0
[  811.583086]  ? lock_acquire+0x1ed/0x520
[  811.587059]  ? bpf_test_run+0x3cb/0x780
[  811.591036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.596574]  ? check_preemption_disabled+0x48/0x280
[  811.601619]  ? kasan_check_read+0x11/0x20
[  811.605808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  811.611087]  ? rcu_softirq_qs+0x20/0x20
[  811.615065]  ? preempt_schedule+0x4d/0x60
[  811.619215]  ? ___preempt_schedule+0x16/0x18
[  811.623644]  ? bpf_test_run+0x25d/0x780
[  811.627633]  ? netlink_diag_dump+0x2a0/0x2a0
[  811.632045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  811.637583]  ? bpf_test_init.isra.10+0x70/0x100
[  811.642254]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  811.647017]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  811.651863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  811.657413]  ? fput+0x130/0x1a0
[  811.660697]  ? __bpf_prog_get+0x9b/0x290
[  811.664761]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  811.669606]  ? bpf_prog_test_run+0x130/0x1a0
[  811.674033]  ? __x64_sys_bpf+0x3d8/0x520
[  811.678094]  ? bpf_prog_get+0x20/0x20
[  811.681919]  ? do_syscall_64+0x1b9/0x820
[  811.685984]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  811.691350]  ? syscall_return_slowpath+0x5e0/0x5e0
[  811.696287]  ? trace_hardirqs_on_caller+0x310/0x310
[  811.701309]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  811.706329]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  811.712993]  ? __switch_to_asm+0x40/0x70
[  811.717054]  ? __switch_to_asm+0x34/0x70
[  811.721121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.725973]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  811.731349] warn_alloc_show_mem: 3 callbacks suppressed
[  811.731360] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  811.731362] Mem-Info:
[  811.731428] active_anon:53034 inactive_anon:131 isolated_anon:0
[  811.731428]  active_file:14 inactive_file:14 isolated_file:0
[  811.731428]  unevictable:0 dirty:0 writeback:0 unstable:0
[  811.731428]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  811.731428]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  811.731428]  free:13749 free_pcp:564 free_cma:0
[  811.736802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  811.743477] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  811.745873] Call Trace:
[  811.778839] 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
[  811.788185]  <IRQ>
[  811.815582] lowmem_reserve[]: 0 2818 6321 6321
[  811.818167]  dump_stack+0x244/0x39d
[  811.844253] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  811.846412]  ? dump_stack_print_info.cold.1+0x20/0x20
[  811.850965] lowmem_reserve[]: 0 0 3503 3503
[  811.854598]  warn_alloc.cold.116+0xb7/0x1bd
[  811.881891] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1008kB free_cma:0kB
[  811.887082]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  811.891383] lowmem_reserve[]: 0 0 0 0
[  811.895715]  ? lock_downgrade+0x900/0x900
[  811.924753] 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
[  811.929599]  ? trace_hardirqs_off+0xb8/0x310
[  811.933374] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  811.937535]  ? trace_hardirqs_off+0xb8/0x310
[  811.951032] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  811.955453]  __alloc_pages_slowpath+0x26e8/0x2e10
[  811.970610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  811.975032]  ? warn_alloc+0x120/0x120
[  811.990427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  811.995259]  ? warn_alloc+0x120/0x120
[  812.004075] 166 total pagecache pages
[  812.007873]  ? warn_alloc+0x120/0x120
[  812.016427] 0 pages in swap cache
[  812.020219]  ? find_held_lock+0x36/0x1c0
[  812.024013] Swap cache stats: add 0, delete 0, find 0/0
[  812.027805]  ? print_usage_bug+0xc0/0xc0
[  812.031250] Free swap  = 0kB
[  812.035306]  ? print_usage_bug+0xc0/0xc0
[  812.040648] Total swap = 0kB
[  812.044707]  ? update_curr+0x4cf/0xbd0
[  812.047710] 1965979 pages RAM
[  812.051766]  ? zap_class+0x640/0x640
[  812.054764] 0 pages HighMem/MovableOnly
[  812.058651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.061731] 342858 pages reserved
[  812.061740] 0 pages cma reserved
[  812.065455]  ? should_fail+0x22d/0xd01
[  812.069599] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  812.074950]  ? print_usage_bug+0xc0/0xc0
[  812.078383] syz-executor0 cpuset=syz0 mems_allowed=0
[  812.081760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  812.110493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.115595]  ? __lock_acquire+0x62f/0x4c20
[  812.119846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.124950]  ? should_fail+0x22d/0xd01
[  812.128836]  ? zap_class+0x640/0x640
[  812.132553]  ? zap_class+0x640/0x640
[  812.136279]  ? mark_held_locks+0x130/0x130
[  812.140528]  ? mark_held_locks+0x130/0x130
[  812.144789]  ? zap_class+0x640/0x640
[  812.148515]  ? mark_held_locks+0x130/0x130
[  812.152750]  ? try_to_wake_up+0x11c/0x1490
[  812.156989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.162530]  ? check_preemption_disabled+0x48/0x280
[  812.167556]  ? __lock_is_held+0xb5/0x140
[  812.171631]  __alloc_pages_nodemask+0xa80/0xde0
[  812.176297]  ? zap_class+0x640/0x640
[  812.180016]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  812.185040]  ? find_held_lock+0x36/0x1c0
[  812.189123]  ? ____cache_alloc_node+0x1c7/0x1e0
[  812.193806]  ? lock_downgrade+0x900/0x900
[  812.197967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.203512]  cache_grow_begin+0xa5/0x8c0
[  812.207576]  ? do_raw_spin_unlock+0xa7/0x330
[  812.211996]  fallback_alloc+0x204/0x2e0
[  812.216002]  ____cache_alloc_node+0x1c7/0x1e0
[  812.220508]  kmem_cache_alloc_node+0xe3/0x730
[  812.225005]  ? lockdep_hardirqs_on+0x296/0x5b0
[  812.229593]  __alloc_skb+0x119/0x770
[  812.233302]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  812.238673]  ? netdev_alloc_frag+0x1f0/0x1f0
[  812.243082]  ? lock_acquire+0x1ed/0x520
[  812.247051]  ? aoecmd_cfg+0x108/0x7f0
[  812.250851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.256386]  ? check_preemption_disabled+0x48/0x280
[  812.261434]  ? kasan_check_read+0x11/0x20
[  812.265597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  812.270903]  ? rcu_softirq_qs+0x20/0x20
[  812.274884]  new_skb+0x26/0x1c0
[  812.278166]  aoecmd_cfg+0x279/0x7f0
[  812.281798]  ? find_held_lock+0x36/0x1c0
[  812.285866]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  812.290198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.295736]  ? check_preemption_disabled+0x48/0x280
[  812.300763]  ? __lock_is_held+0xb5/0x140
[  812.304870]  discover_timer+0x50/0x60
[  812.308689]  call_timer_fn+0x272/0x920
[  812.312580]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  812.317431]  ? process_timeout+0x40/0x40
[  812.321527]  ? mark_held_locks+0xc7/0x130
[  812.325684]  ? _raw_spin_unlock_irq+0x27/0x80
[  812.330180]  ? _raw_spin_unlock_irq+0x27/0x80
[  812.334675]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  812.339524]  ? lockdep_hardirqs_on+0x296/0x5b0
[  812.344109]  ? trace_hardirqs_on+0xbd/0x310
[  812.348443]  ? kasan_check_read+0x11/0x20
[  812.352592]  ? __run_timers+0x7da/0xc70
[  812.356574]  ? trace_hardirqs_off_caller+0x310/0x310
[  812.361695]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  812.366539]  __run_timers+0x7e5/0xc70
[  812.370350]  ? timer_fixup_init+0x70/0x70
[  812.374504]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  812.379520]  ? zap_class+0x640/0x640
[  812.383240]  ? print_usage_bug+0xc0/0xc0
[  812.387308]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  812.392520]  ? find_held_lock+0x36/0x1c0
[  812.396591]  ? zap_class+0x640/0x640
[  812.400316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.405855]  ? check_preemption_disabled+0x48/0x280
[  812.410888]  ? __lock_is_held+0xb5/0x140
[  812.414954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.420493]  ? check_preemption_disabled+0x48/0x280
[  812.425514]  run_timer_softirq+0x52/0xb0
[  812.429586]  ? rcu_read_lock_sched_held+0x14f/0x180
[  812.434615]  __do_softirq+0x308/0xb7e
[  812.438437]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  812.442930]  ? lock_downgrade+0x900/0x900
[  812.447083]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  812.452210]  ? pvclock_read_flags+0x160/0x160
[  812.456708]  ? lapic_next_event+0x5a/0x90
[  812.460860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.466446]  ? kvm_clock_read+0x18/0x30
[  812.470432]  ? kvm_sched_clock_read+0x9/0x20
[  812.474844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.480382]  ? check_preemption_disabled+0x48/0x280
[  812.485439]  irq_exit+0x17f/0x1c0
[  812.488899]  smp_apic_timer_interrupt+0x1cb/0x760
[  812.493748]  ? smp_reschedule_interrupt+0x109/0x650
[  812.498768]  ? smp_call_function_single_interrupt+0x650/0x650
[  812.504652]  ? interrupt_entry+0xb5/0xc0
[  812.508716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  812.513734]  ? trace_hardirqs_off_caller+0xbb/0x310
[  812.518764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  812.523608]  ? trace_hardirqs_on_caller+0x310/0x310
[  812.528630]  ? trace_hardirqs_on_caller+0x310/0x310
[  812.533647]  ? task_prio+0x50/0x50
[  812.537192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.542734]  ? check_preemption_disabled+0x48/0x280
[  812.547758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  812.552611]  apic_timer_interrupt+0xf/0x20
[  812.556839]  </IRQ>
[  812.559079] RIP: 0010:dump_stack+0x358/0x39d
[  812.563488] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  812.582387] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  812.590152] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  812.597434] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  812.604718] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  812.611987] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  812.619256] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  812.626551]  ? dump_stack+0x34f/0x39d
[  812.630367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  812.635592]  ? mark_held_locks+0x130/0x130
[  812.639851]  ? mark_held_locks+0x130/0x130
[  812.644117]  dump_header+0x27b/0xf72
[  812.647841]  ? pagefault_out_of_memory+0x197/0x197
[  812.652782]  ? __lock_acquire+0x62f/0x4c20
[  812.657029]  ? percpu_ref_get_many+0x240/0x240
[  812.661617]  ? print_usage_bug+0xc0/0xc0
[  812.665685]  ? zap_class+0x640/0x640
[  812.669417]  ? print_usage_bug+0xc0/0xc0
[  812.673483]  ? print_usage_bug+0xc0/0xc0
[  812.677563]  ? zap_class+0x640/0x640
[  812.681280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.686823]  ? find_held_lock+0x36/0x1c0
[  812.690898]  ? mark_held_locks+0xc7/0x130
[  812.695049]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  812.700153]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  812.705267]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  812.709853]  ? trace_hardirqs_on+0xbd/0x310
[  812.714176]  ? kasan_check_read+0x11/0x20
[  812.718323]  ? ___ratelimit+0x3b4/0x672
[  812.722819]  ? trace_hardirqs_off_caller+0x310/0x310
[  812.727923]  ? trace_hardirqs_on+0x310/0x310
[  812.732333]  ? lock_downgrade+0x900/0x900
[  812.736488]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  812.741595]  ? ___ratelimit+0x3b9/0x672
[  812.745575]  ? idr_get_free+0xf80/0xf80
[  812.749553]  ? find_held_lock+0x36/0x1c0
[  812.753625]  oom_kill_process.cold.27+0x10/0x903
[  812.758385]  ? zap_class+0x640/0x640
[  812.762119]  ? check_preemption_disabled+0x48/0x280
[  812.767143]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  812.772088]  ? kasan_check_read+0x11/0x20
[  812.776238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  812.781518]  ? oom_evaluate_task+0x540/0x540
[  812.785930]  ? find_held_lock+0x36/0x1c0
[  812.790006]  ? out_of_memory+0x974/0x1430
[  812.794160]  ? lock_downgrade+0x900/0x900
[  812.798316]  ? check_preemption_disabled+0x48/0x280
[  812.803333]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  812.808260]  ? kasan_check_read+0x11/0x20
[  812.812421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  812.817704]  ? rcu_softirq_qs+0x20/0x20
[  812.821685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.827223]  ? oom_evaluate_task+0x302/0x540
[  812.831796]  out_of_memory+0xa84/0x1430
[  812.835785]  ? oom_killer_disable+0x3a0/0x3a0
[  812.840285]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  812.845232]  ? __ww_mutex_check_waiters+0x160/0x160
[  812.850261]  __alloc_pages_slowpath+0x2354/0x2e10
[  812.855150]  ? warn_alloc+0x120/0x120
[  812.858953]  ? mark_held_locks+0x130/0x130
[  812.863211]  ? find_get_entry+0xaae/0x1120
[  812.867458]  ? filemap_map_pages+0x1a20/0x1a20
[  812.872049]  ? zap_class+0x640/0x640
[  812.875775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.881314]  ? check_preemption_disabled+0x48/0x280
[  812.886331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.891871]  ? should_fail+0x22d/0xd01
[  812.895767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.900872]  ? zap_class+0x640/0x640
[  812.904612]  ? __lock_is_held+0xb5/0x140
[  812.908682]  ? mark_held_locks+0x130/0x130
[  812.912923]  ? lock_release+0xa00/0xa00
[  812.916898]  ? perf_trace_sched_process_exec+0x860/0x860
[  812.922363]  ? xa_load+0x2ba/0x460
[  812.925912]  ? lock_downgrade+0x900/0x900
[  812.930070]  ? __might_sleep+0x95/0x190
[  812.934056]  __alloc_pages_nodemask+0xa80/0xde0
[  812.938733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  812.943768]  ? __page_cache_alloc+0x191/0x5c0
[  812.948265]  ? xa_load+0x2e1/0x460
[  812.951806]  ? xa_clear_mark+0x40/0x40
[  812.955695]  ? zap_class+0x640/0x640
[  812.959439]  ? zap_class+0x640/0x640
[  812.963171]  ? zap_class+0x640/0x640
[  812.966887]  ? __do_page_cache_readahead+0x663/0x810
[  812.971997]  ? find_held_lock+0x36/0x1c0
[  812.976071]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  812.981629]  alloc_pages_current+0x173/0x350
[  812.986044]  __page_cache_alloc+0x38c/0x5c0
[  812.990363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  812.995317]  ? kasan_check_read+0x11/0x20
[  812.999475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.004758]  ? generic_perform_write+0x6a0/0x6a0
[  813.009515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.015065]  ? check_preemption_disabled+0x48/0x280
[  813.020106]  filemap_fault+0x1595/0x25f0
[  813.024184]  ? __lock_page_or_retry+0xa00/0xa00
[  813.028854]  ? mark_held_locks+0x130/0x130
[  813.033111]  ? filemap_map_pages+0xd6b/0x1a20
[  813.037607]  ? lock_downgrade+0x900/0x900
[  813.041760]  ? check_preemption_disabled+0x48/0x280
[  813.046783]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  813.051718]  ? kasan_check_read+0x11/0x20
[  813.055867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.061143]  ? rcu_softirq_qs+0x20/0x20
[  813.065147]  ? filemap_map_pages+0xd92/0x1a20
[  813.069660]  ? find_get_entries_tag+0x1400/0x1400
[  813.074512]  ? debug_object_destroy+0x2b0/0x2b0
[  813.079184]  ? lock_pi_update_atomic+0x150/0x150
[  813.083936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.089491]  ? lock_acquire+0x1ed/0x520
[  813.093467]  ? ext4_filemap_fault+0x7a/0xad
[  813.097800]  ? lock_release+0xa00/0xa00
[  813.101799]  ? perf_trace_sched_process_exec+0x860/0x860
[  813.107252]  ? print_usage_bug+0xc0/0xc0
[  813.111319]  ? print_usage_bug+0xc0/0xc0
[  813.115411]  ? down_read+0x8d/0x120
[  813.119040]  ? ext4_filemap_fault+0x7a/0xad
[  813.123382]  ? __down_interruptible+0x700/0x700
[  813.128079]  ext4_filemap_fault+0x82/0xad
[  813.132230]  __do_fault+0x100/0x6b0
[  813.135862]  ? find_held_lock+0x36/0x1c0
[  813.139927]  ? pmd_devmap_trans_unstable+0x220/0x220
[  813.145063]  ? mark_held_locks+0x130/0x130
[  813.149309]  ? mark_held_locks+0x130/0x130
[  813.153548]  ? _raw_spin_unlock_irq+0x27/0x80
[  813.158047]  ? _raw_spin_unlock_irq+0x27/0x80
[  813.162548]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  813.167134]  ? kasan_check_read+0x11/0x20
[  813.171286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.176831]  __handle_mm_fault+0x3ea6/0x5be0
[  813.181250]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  813.186097]  ? finish_task_switch+0x1f4/0x910
[  813.190597]  ? finish_task_switch+0x1b4/0x910
[  813.195091]  ? __switch_to_asm+0x34/0x70
[  813.199158]  ? preempt_notifier_register+0x200/0x200
[  813.204272]  ? __switch_to_asm+0x34/0x70
[  813.208332]  ? __switch_to_asm+0x34/0x70
[  813.212425]  ? zap_class+0x640/0x640
[  813.216170]  ? zap_class+0x640/0x640
[  813.219898]  ? __x64_sys_futex+0x53e/0x6a0
[  813.224140]  ? find_held_lock+0x36/0x1c0
[  813.228211]  ? handle_mm_fault+0x42a/0xc70
[  813.232466]  ? lock_downgrade+0x900/0x900
[  813.236616]  ? check_preemption_disabled+0x48/0x280
[  813.241640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  813.246574]  ? kasan_check_read+0x11/0x20
[  813.250723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.256001]  ? rcu_softirq_qs+0x20/0x20
[  813.259984]  ? trace_hardirqs_off_caller+0x310/0x310
[  813.265094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.270633]  ? check_preemption_disabled+0x48/0x280
[  813.275670]  handle_mm_fault+0x54f/0xc70
[  813.279735]  ? __handle_mm_fault+0x5be0/0x5be0
[  813.284321]  ? find_vma+0x34/0x190
[  813.287867]  __do_page_fault+0x5e8/0xe60
[  813.291931]  ? trace_hardirqs_off+0xb8/0x310
[  813.296350]  do_page_fault+0xf2/0x7e0
[  813.300156]  ? vmalloc_sync_all+0x30/0x30
[  813.304306]  ? error_entry+0x70/0xd0
[  813.308022]  ? trace_hardirqs_off_caller+0xbb/0x310
[  813.313037]  ? trace_hardirqs_on_caller+0xc0/0x310
[  813.317970]  ? syscall_return_slowpath+0x5e0/0x5e0
[  813.322901]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  813.327748]  ? trace_hardirqs_on_caller+0x310/0x310
[  813.332766]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  813.338220]  ? prepare_exit_to_usermode+0x291/0x3b0
[  813.343253]  ? page_fault+0x8/0x30
[  813.346800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  813.351648]  ? page_fault+0x8/0x30
[  813.355207]  page_fault+0x1e/0x30
[  813.358670] RIP: 0033:0x45ddf3
[  813.361874] Code: Bad RIP value.
[  813.365235] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  813.370607] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  813.377883] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  813.385159] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  813.392430] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  813.399701] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  813.406993] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  813.406995] Mem-Info:
[  813.407025] active_anon:53034 inactive_anon:131 isolated_anon:0
[  813.407025]  active_file:14 inactive_file:14 isolated_file:0
[  813.407025]  unevictable:0 dirty:0 writeback:0 unstable:0
[  813.407025]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  813.407025]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  813.407025]  free:13749 free_pcp:564 free_cma:0
[  813.414017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  813.416477] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  813.449422] Call Trace:
[  813.458767] 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
[  813.486181]  <IRQ>
[  813.488770] lowmem_reserve[]: 0 2818 6321 6321
[  813.514878]  dump_stack+0x244/0x39d
[  813.517007] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  813.521584]  ? dump_stack_print_info.cold.1+0x20/0x20
[  813.525202] lowmem_reserve[]: 0 0 3503 3503
[  813.552706]  warn_alloc.cold.116+0xb7/0x1bd
[  813.557879] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  813.562199]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  813.566506] lowmem_reserve[]: 0 0 0 0
[  813.595568]  ? lock_downgrade+0x900/0x900
[  813.600387] 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
[  813.604217]  ? trace_hardirqs_off+0xb8/0x310
[  813.608343] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  813.621883]  ? trace_hardirqs_off+0xb8/0x310
[  813.626298] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  813.641489]  __alloc_pages_slowpath+0x26e8/0x2e10
[  813.645882] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  813.661339]  ? warn_alloc+0x120/0x120
[  813.666158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  813.674987]  ? warn_alloc+0x120/0x120
[  813.678768] 166 total pagecache pages
[  813.687340]  ? warn_alloc+0x120/0x120
[  813.691125] 0 pages in swap cache
[  813.694921]  ? print_usage_bug+0xc0/0xc0
[  813.698695] Swap cache stats: add 0, delete 0, find 0/0
[  813.698704] Free swap  = 0kB
[  813.702153]  ? print_usage_bug+0xc0/0xc0
[  813.706197] Total swap = 0kB
[  813.711555]  ? trace_hardirqs_off+0xb8/0x310
[  813.714549] 1965979 pages RAM
[  813.718620]  ? kasan_check_read+0x11/0x20
[  813.721616] 0 pages HighMem/MovableOnly
[  813.726017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.729092] 342858 pages reserved
[  813.729101] 0 pages cma reserved
[  813.733259]  ? should_fail+0x22d/0xd01
[  813.737262] aoe: skb alloc failure
[  813.742737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  813.742752]  ? __lock_acquire+0x62f/0x4c20
[  813.742771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  813.746235] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  813.749573]  ? __lock_acquire+0x62f/0x4c20
[  813.753442] syz-fuzzer cpuset=/ mems_allowed=0
[  813.756978]  ? should_fail+0x22d/0xd01
[  813.794258]  ? mark_held_locks+0x130/0x130
[  813.798500]  ? mark_held_locks+0x130/0x130
[  813.802743]  ? enqueue_hrtimer+0x1a5/0x560
[  813.806981]  ? zap_class+0x640/0x640
[  813.810706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.816248]  ? check_preemption_disabled+0x48/0x280
[  813.821280]  ? __lock_is_held+0xb5/0x140
[  813.825354]  __alloc_pages_nodemask+0xa80/0xde0
[  813.830035]  ? zap_class+0x640/0x640
[  813.833760]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  813.838803]  ? find_held_lock+0x36/0x1c0
[  813.842876]  ? ____cache_alloc_node+0x1c7/0x1e0
[  813.847554]  ? lock_downgrade+0x900/0x900
[  813.851711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.857260]  cache_grow_begin+0xa5/0x8c0
[  813.861326]  ? do_raw_spin_unlock+0xa7/0x330
[  813.865747]  fallback_alloc+0x204/0x2e0
[  813.869734]  ____cache_alloc_node+0x1c7/0x1e0
[  813.874240]  kmem_cache_alloc+0x1f8/0x730
[  813.878412]  __build_skb+0xab/0x430
[  813.882052]  ? skb_try_coalesce+0x1b70/0x1b70
[  813.886550]  ? trace_hardirqs_on+0xbd/0x310
[  813.890882]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  813.896436]  ? trace_hardirqs_off_caller+0x310/0x310
[  813.901557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.907110]  ? check_preemption_disabled+0x48/0x280
[  813.912134]  __netdev_alloc_skb+0x2b5/0x450
[  813.916481]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  813.921876]  ? br_send_bpdu_finish+0x20/0x20
[  813.926302]  ? mark_held_locks+0x130/0x130
[  813.930556]  ? __lock_acquire+0x62f/0x4c20
[  813.934804]  ? mod_timer_pending+0x1640/0x1640
[  813.939401]  br_send_config_bpdu+0xc9d/0x10a0
[  813.943914]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  813.949546]  ? find_held_lock+0x36/0x1c0
[  813.953624]  br_transmit_config+0x8cd/0xbb0
[  813.957957]  ? br_get_port+0x280/0x280
[  813.961846]  ? lock_acquire+0x1ed/0x520
[  813.965822]  ? br_hello_timer_expired+0x20/0x190
[  813.970594]  ? kasan_check_read+0x11/0x20
[  813.974759]  br_config_bpdu_generation+0x16a/0x1c0
[  813.979697]  br_hello_timer_expired+0xa9/0x190
[  813.984297]  call_timer_fn+0x272/0x920
[  813.988189]  ? br_is_root_bridge+0x40/0x40
[  813.992433]  ? process_timeout+0x40/0x40
[  813.996509]  ? __run_timers+0x7da/0xc70
[  814.000489]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.004987]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.009488]  ? br_is_root_bridge+0x40/0x40
[  814.013729]  ? lockdep_hardirqs_on+0x296/0x5b0
[  814.018314]  ? trace_hardirqs_on+0xbd/0x310
[  814.022636]  ? kasan_check_read+0x11/0x20
[  814.026788]  ? __run_timers+0x7da/0xc70
[  814.030778]  ? trace_hardirqs_off_caller+0x310/0x310
[  814.035895]  ? br_is_root_bridge+0x40/0x40
[  814.040132]  __run_timers+0x7e5/0xc70
[  814.043952]  ? timer_fixup_init+0x70/0x70
[  814.048103]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  814.053121]  ? zap_class+0x640/0x640
[  814.056840]  ? enqueue_hrtimer+0x1a5/0x560
[  814.061080]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  814.066284]  ? find_held_lock+0x36/0x1c0
[  814.070348]  ? zap_class+0x640/0x640
[  814.074066]  ? pvclock_read_flags+0x160/0x160
[  814.078738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.084284]  ? check_preemption_disabled+0x48/0x280
[  814.089315]  ? __lock_is_held+0xb5/0x140
[  814.093410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.098956]  ? check_preemption_disabled+0x48/0x280
[  814.103996]  run_timer_softirq+0x52/0xb0
[  814.108060]  ? rcu_read_lock_sched_held+0x14f/0x180
[  814.113081]  __do_softirq+0x308/0xb7e
[  814.116889]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  814.121402]  ? lock_downgrade+0x900/0x900
[  814.125561]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  814.130680]  ? pvclock_read_flags+0x160/0x160
[  814.135183]  ? lapic_next_event+0x5a/0x90
[  814.139349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.144893]  ? kvm_clock_read+0x18/0x30
[  814.148877]  ? kvm_sched_clock_read+0x9/0x20
[  814.153309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.158852]  ? check_preemption_disabled+0x48/0x280
[  814.163878]  irq_exit+0x17f/0x1c0
[  814.167345]  smp_apic_timer_interrupt+0x1cb/0x760
[  814.172193]  ? smp_reschedule_interrupt+0x109/0x650
[  814.177215]  ? smp_call_function_single_interrupt+0x650/0x650
[  814.183100]  ? interrupt_entry+0xb5/0xc0
[  814.187162]  ? trace_hardirqs_off_caller+0xbb/0x310
[  814.192186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  814.197207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  814.202068]  ? trace_hardirqs_on_caller+0x310/0x310
[  814.207098]  ? trace_hardirqs_on_caller+0x310/0x310
[  814.212115]  ? task_prio+0x50/0x50
[  814.215666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.221212]  ? check_preemption_disabled+0x48/0x280
[  814.226234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  814.231112]  apic_timer_interrupt+0xf/0x20
[  814.235380]  </IRQ>
[  814.237653] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  814.243541] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  814.262445] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  814.270154] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  814.277425] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  814.284692] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  814.291964] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  814.299237] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  814.306538]  ? save_stack+0xa9/0xd0
[  814.310182]  __kmalloc_node_track_caller+0x3c/0x70
[  814.315120]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  814.319881]  pskb_expand_head+0x230/0x10f0
[  814.324124]  ? check_preemption_disabled+0x48/0x280
[  814.329142]  ? memcpy+0x45/0x50
[  814.332437]  ? __copy_skb_header+0x350/0x6b0
[  814.336853]  ? skb_release_data+0x880/0x880
[  814.341175]  ? __alloc_skb+0x770/0x770
[  814.345073]  ? __lock_is_held+0xb5/0x140
[  814.349145]  ? kasan_check_write+0x14/0x20
[  814.353401]  ? __skb_clone+0x6c7/0xa00
[  814.357309]  ? __copy_skb_header+0x6b0/0x6b0
[  814.361719]  ? kmem_cache_alloc+0x33a/0x730
[  814.366057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.371603]  skb_ensure_writable+0x3dd/0x640
[  814.376027]  ? skb_checksum_setup+0xaa0/0xaa0
[  814.380533]  ? preempt_notifier_register+0x200/0x200
[  814.385640]  ? __switch_to_asm+0x34/0x70
[  814.389702]  ? __switch_to_asm+0x34/0x70
[  814.393767]  ? __switch_to_asm+0x40/0x70
[  814.397829]  ? __switch_to_asm+0x34/0x70
[  814.401898]  ? __switch_to_asm+0x40/0x70
[  814.405968]  ? __switch_to_asm+0x40/0x70
[  814.410032]  ? __switch_to_asm+0x34/0x70
[  814.414094]  ? __switch_to_asm+0x34/0x70
[  814.418157]  ? __switch_to_asm+0x40/0x70
[  814.422216]  ? __switch_to_asm+0x34/0x70
[  814.426286]  bpf_clone_redirect+0x14a/0x490
[  814.430617]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  814.435636]  ? __sched_text_start+0x8/0x8
[  814.439799]  ? retint_kernel+0x2d/0x2d
[  814.443702]  ? find_held_lock+0x36/0x1c0
[  814.447797]  ? lock_acquire+0x1ed/0x520
[  814.451771]  ? bpf_test_run+0x3cb/0x780
[  814.455755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.461294]  ? check_preemption_disabled+0x48/0x280
[  814.466321]  ? kasan_check_read+0x11/0x20
[  814.470470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  814.475752]  ? rcu_softirq_qs+0x20/0x20
[  814.479733]  ? preempt_schedule+0x4d/0x60
[  814.483885]  ? ___preempt_schedule+0x16/0x18
[  814.488308]  ? bpf_test_run+0x25d/0x780
[  814.492299]  ? netlink_diag_dump+0x2a0/0x2a0
[  814.496712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  814.502248]  ? bpf_test_init.isra.10+0x70/0x100
[  814.506972]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  814.511735]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  814.516583]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  814.522127]  ? fput+0x130/0x1a0
[  814.525415]  ? __bpf_prog_get+0x9b/0x290
[  814.529488]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  814.534335]  ? bpf_prog_test_run+0x130/0x1a0
[  814.538747]  ? __x64_sys_bpf+0x3d8/0x520
[  814.542810]  ? bpf_prog_get+0x20/0x20
[  814.546634]  ? do_syscall_64+0x1b9/0x820
[  814.550702]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  814.556074]  ? syscall_return_slowpath+0x5e0/0x5e0
[  814.561007]  ? trace_hardirqs_on_caller+0x310/0x310
[  814.566027]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  814.571051]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  814.577718]  ? __switch_to_asm+0x40/0x70
[  814.581783]  ? __switch_to_asm+0x34/0x70
[  814.585850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  814.590705]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  814.596091] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  814.596211] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  814.602769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  814.613240] syz-executor0 cpuset=syz0 mems_allowed=0
[  814.622583] Call Trace:
[  814.630248]  <IRQ>
[  814.632422]  dump_stack+0x244/0x39d
[  814.636060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  814.641270]  warn_alloc.cold.116+0xb7/0x1bd
[  814.645598]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  814.650450]  ? lock_downgrade+0x900/0x900
[  814.654610]  ? trace_hardirqs_off+0xb8/0x310
[  814.659031]  ? trace_hardirqs_off+0xb8/0x310
[  814.663454]  __alloc_pages_slowpath+0x26e8/0x2e10
[  814.668329]  ? warn_alloc+0x120/0x120
[  814.672149]  ? warn_alloc+0x120/0x120
[  814.675960]  ? __lock_acquire+0x62f/0x4c20
[  814.680210]  ? warn_alloc+0x120/0x120
[  814.684018]  ? print_usage_bug+0xc0/0xc0
[  814.688107]  ? print_usage_bug+0xc0/0xc0
[  814.692172]  ? mark_held_locks+0x130/0x130
[  814.696426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  814.701970]  ? should_fail+0x22d/0xd01
[  814.705861]  ? zap_class+0x640/0x640
[  814.709581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  814.714686]  ? __lock_acquire+0x62f/0x4c20
[  814.718928]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  814.724544]  ? should_fail+0x22d/0xd01
[  814.728452]  ? mark_held_locks+0x130/0x130
[  814.732707]  ? mark_held_locks+0x130/0x130
[  814.736945]  ? lock_downgrade+0x900/0x900
[  814.741098]  ? zap_class+0x640/0x640
[  814.744811]  ? zap_class+0x640/0x640
[  814.748530]  ? zap_class+0x640/0x640
[  814.752243]  ? do_raw_spin_unlock+0xa7/0x330
[  814.756657]  ? trace_hardirqs_on+0x310/0x310
[  814.761065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.766604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.772146]  ? check_preemption_disabled+0x48/0x280
[  814.777177]  ? __lock_is_held+0xb5/0x140
[  814.781256]  __alloc_pages_nodemask+0xa80/0xde0
[  814.785949]  ? zap_class+0x640/0x640
[  814.789679]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  814.794714]  ? find_held_lock+0x36/0x1c0
[  814.798786]  ? ____cache_alloc_node+0x1c7/0x1e0
[  814.803468]  ? lock_downgrade+0x900/0x900
[  814.807630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.813174]  cache_grow_begin+0xa5/0x8c0
[  814.817238]  ? do_raw_spin_unlock+0xa7/0x330
[  814.821658]  fallback_alloc+0x204/0x2e0
[  814.825645]  ____cache_alloc_node+0x1c7/0x1e0
[  814.830334]  kmem_cache_alloc_node+0xe3/0x730
[  814.834835]  ? lockdep_hardirqs_on+0x296/0x5b0
[  814.839451]  __alloc_skb+0x119/0x770
[  814.843172]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  814.848543]  ? netdev_alloc_frag+0x1f0/0x1f0
[  814.852966]  ? vprintk_default+0x28/0x30
[  814.857028]  ? vprintk_func+0x85/0x181
[  814.860917]  ? printk+0xa7/0xcf
[  814.864211]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  814.868984]  new_skb+0x26/0x1c0
[  814.872268]  aoecmd_cfg+0x279/0x7f0
[  814.875899]  ? find_held_lock+0x36/0x1c0
[  814.879982]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  814.884309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.889863]  ? __lock_is_held+0xb5/0x140
[  814.893939]  discover_timer+0x50/0x60
[  814.897746]  call_timer_fn+0x272/0x920
[  814.901637]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  814.906484]  ? process_timeout+0x40/0x40
[  814.910561]  ? mark_held_locks+0xc7/0x130
[  814.914717]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.919214]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.923712]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  814.928555]  ? lockdep_hardirqs_on+0x296/0x5b0
[  814.933143]  ? trace_hardirqs_on+0xbd/0x310
[  814.937481]  ? kasan_check_read+0x11/0x20
[  814.941629]  ? __run_timers+0x7da/0xc70
[  814.945605]  ? trace_hardirqs_off_caller+0x310/0x310
[  814.950728]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  814.955570]  __run_timers+0x7e5/0xc70
[  814.959387]  ? timer_fixup_init+0x70/0x70
[  814.963557]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  814.968578]  ? zap_class+0x640/0x640
[  814.972299]  ? print_usage_bug+0xc0/0xc0
[  814.976369]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  814.981596]  ? find_held_lock+0x36/0x1c0
[  814.985663]  ? zap_class+0x640/0x640
[  814.989412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.994957]  ? check_preemption_disabled+0x48/0x280
[  815.000005]  ? __lock_is_held+0xb5/0x140
[  815.004073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.009612]  ? check_preemption_disabled+0x48/0x280
[  815.014638]  run_timer_softirq+0x52/0xb0
[  815.018707]  ? rcu_read_lock_sched_held+0x14f/0x180
[  815.023722]  __do_softirq+0x308/0xb7e
[  815.027529]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  815.032026]  ? lock_downgrade+0x900/0x900
[  815.036181]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  815.041297]  ? pvclock_read_flags+0x160/0x160
[  815.045794]  ? lapic_next_event+0x5a/0x90
[  815.049957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.055502]  ? kvm_clock_read+0x18/0x30
[  815.059479]  ? kvm_sched_clock_read+0x9/0x20
[  815.063891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.069442]  ? check_preemption_disabled+0x48/0x280
[  815.074481]  irq_exit+0x17f/0x1c0
[  815.077941]  smp_apic_timer_interrupt+0x1cb/0x760
[  815.082788]  ? smp_reschedule_interrupt+0x109/0x650
[  815.087808]  ? smp_call_function_single_interrupt+0x650/0x650
[  815.093693]  ? interrupt_entry+0xb5/0xc0
[  815.097761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  815.102780]  ? trace_hardirqs_off_caller+0xbb/0x310
[  815.107799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  815.112647]  ? trace_hardirqs_on_caller+0x310/0x310
[  815.117663]  ? trace_hardirqs_on_caller+0x310/0x310
[  815.122682]  ? task_prio+0x50/0x50
[  815.126236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.131775]  ? check_preemption_disabled+0x48/0x280
[  815.136797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  815.141650]  apic_timer_interrupt+0xf/0x20
[  815.145882]  </IRQ>
[  815.148119] RIP: 0010:dump_stack+0x358/0x39d
[  815.152531] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  815.171437] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  815.179146] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  815.186424] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  815.193697] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  815.200965] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  815.208234] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  815.215523]  ? dump_stack+0x34f/0x39d
[  815.219336]  ? dump_stack_print_info.cold.1+0x20/0x20
[  815.224530]  ? mark_held_locks+0x130/0x130
[  815.228768]  ? mark_held_locks+0x130/0x130
[  815.233012]  dump_header+0x27b/0xf72
[  815.236742]  ? pagefault_out_of_memory+0x197/0x197
[  815.241685]  ? __lock_acquire+0x62f/0x4c20
[  815.245933]  ? percpu_ref_get_many+0x240/0x240
[  815.250526]  ? print_usage_bug+0xc0/0xc0
[  815.254596]  ? zap_class+0x640/0x640
[  815.258352]  ? print_usage_bug+0xc0/0xc0
[  815.262451]  ? print_usage_bug+0xc0/0xc0
[  815.266518]  ? zap_class+0x640/0x640
[  815.270237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.275779]  ? find_held_lock+0x36/0x1c0
[  815.279850]  ? mark_held_locks+0xc7/0x130
[  815.284004]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  815.289138]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  815.294242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  815.298829]  ? trace_hardirqs_on+0xbd/0x310
[  815.303157]  ? kasan_check_read+0x11/0x20
[  815.307307]  ? ___ratelimit+0x3b4/0x672
[  815.311288]  ? trace_hardirqs_off_caller+0x310/0x310
[  815.316403]  ? trace_hardirqs_on+0x310/0x310
[  815.320821]  ? lock_downgrade+0x900/0x900
[  815.324978]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  815.330089]  ? ___ratelimit+0x3b9/0x672
[  815.334091]  ? idr_get_free+0xf80/0xf80
[  815.338066]  ? find_held_lock+0x36/0x1c0
[  815.342137]  oom_kill_process.cold.27+0x10/0x903
[  815.346893]  ? zap_class+0x640/0x640
[  815.350624]  ? check_preemption_disabled+0x48/0x280
[  815.355646]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  815.360580]  ? kasan_check_read+0x11/0x20
[  815.364727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.370006]  ? oom_evaluate_task+0x540/0x540
[  815.374455]  ? find_held_lock+0x36/0x1c0
[  815.378527]  ? out_of_memory+0x974/0x1430
[  815.382678]  ? lock_downgrade+0x900/0x900
[  815.386826]  ? check_preemption_disabled+0x48/0x280
[  815.391851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  815.396781]  ? kasan_check_read+0x11/0x20
[  815.400933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.406243]  ? rcu_softirq_qs+0x20/0x20
[  815.410227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.415763]  ? oom_evaluate_task+0x302/0x540
[  815.420180]  out_of_memory+0xa84/0x1430
[  815.424168]  ? oom_killer_disable+0x3a0/0x3a0
[  815.428666]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  815.433603]  ? __ww_mutex_check_waiters+0x160/0x160
[  815.438633]  __alloc_pages_slowpath+0x2354/0x2e10
[  815.443511]  ? warn_alloc+0x120/0x120
[  815.447313]  ? mark_held_locks+0x130/0x130
[  815.451556]  ? find_get_entry+0xaae/0x1120
[  815.455805]  ? filemap_map_pages+0x1a20/0x1a20
[  815.460412]  ? zap_class+0x640/0x640
[  815.464135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.469674]  ? check_preemption_disabled+0x48/0x280
[  815.474690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.480227]  ? should_fail+0x22d/0xd01
[  815.484120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  815.489238]  ? zap_class+0x640/0x640
[  815.493008]  ? __lock_is_held+0xb5/0x140
[  815.497079]  ? mark_held_locks+0x130/0x130
[  815.501319]  ? lock_release+0xa00/0xa00
[  815.505307]  ? perf_trace_sched_process_exec+0x860/0x860
[  815.510757]  ? xa_load+0x2ba/0x460
[  815.514303]  ? lock_downgrade+0x900/0x900
[  815.518461]  ? __might_sleep+0x95/0x190
[  815.522448]  __alloc_pages_nodemask+0xa80/0xde0
[  815.527137]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  815.532156]  ? __page_cache_alloc+0x191/0x5c0
[  815.536656]  ? xa_load+0x2e1/0x460
[  815.540203]  ? xa_clear_mark+0x40/0x40
[  815.544123]  ? zap_class+0x640/0x640
[  815.547852]  ? zap_class+0x640/0x640
[  815.551569]  ? zap_class+0x640/0x640
[  815.555288]  ? __do_page_cache_readahead+0x663/0x810
[  815.560438]  ? find_held_lock+0x36/0x1c0
[  815.564514]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  815.570062]  alloc_pages_current+0x173/0x350
[  815.574479]  __page_cache_alloc+0x38c/0x5c0
[  815.578805]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  815.583739]  ? kasan_check_read+0x11/0x20
[  815.587893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.593180]  ? generic_perform_write+0x6a0/0x6a0
[  815.597939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.603482]  ? check_preemption_disabled+0x48/0x280
[  815.608511]  filemap_fault+0x1595/0x25f0
[  815.612588]  ? __lock_page_or_retry+0xa00/0xa00
[  815.617263]  ? mark_held_locks+0x130/0x130
[  815.621514]  ? filemap_map_pages+0xd6b/0x1a20
[  815.626016]  ? lock_downgrade+0x900/0x900
[  815.630164]  ? check_preemption_disabled+0x48/0x280
[  815.635183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  815.640113]  ? kasan_check_read+0x11/0x20
[  815.644264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.649541]  ? rcu_softirq_qs+0x20/0x20
[  815.653529]  ? filemap_map_pages+0xd92/0x1a20
[  815.658045]  ? find_get_entries_tag+0x1400/0x1400
[  815.662891]  ? debug_object_destroy+0x2b0/0x2b0
[  815.667568]  ? lock_pi_update_atomic+0x150/0x150
[  815.672330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.677884]  ? lock_acquire+0x1ed/0x520
[  815.681860]  ? ext4_filemap_fault+0x7a/0xad
[  815.686192]  ? lock_release+0xa00/0xa00
[  815.690165]  ? perf_trace_sched_process_exec+0x860/0x860
[  815.695616]  ? print_usage_bug+0xc0/0xc0
[  815.699683]  ? print_usage_bug+0xc0/0xc0
[  815.703760]  ? down_read+0x8d/0x120
[  815.707387]  ? ext4_filemap_fault+0x7a/0xad
[  815.711728]  ? __down_interruptible+0x700/0x700
[  815.716421]  ext4_filemap_fault+0x82/0xad
[  815.720577]  __do_fault+0x100/0x6b0
[  815.724205]  ? find_held_lock+0x36/0x1c0
[  815.728274]  ? pmd_devmap_trans_unstable+0x220/0x220
[  815.733386]  ? mark_held_locks+0x130/0x130
[  815.737639]  ? mark_held_locks+0x130/0x130
[  815.741877]  ? _raw_spin_unlock_irq+0x27/0x80
[  815.746375]  ? _raw_spin_unlock_irq+0x27/0x80
[  815.750886]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  815.755494]  ? kasan_check_read+0x11/0x20
[  815.759645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.765191]  __handle_mm_fault+0x3ea6/0x5be0
[  815.769611]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  815.774458]  ? finish_task_switch+0x1f4/0x910
[  815.778956]  ? finish_task_switch+0x1b4/0x910
[  815.783452]  ? __switch_to_asm+0x34/0x70
[  815.787523]  ? preempt_notifier_register+0x200/0x200
[  815.792628]  ? __switch_to_asm+0x34/0x70
[  815.796692]  ? __switch_to_asm+0x34/0x70
[  815.800782]  ? zap_class+0x640/0x640
[  815.804499]  ? zap_class+0x640/0x640
[  815.808212]  ? __x64_sys_futex+0x53e/0x6a0
[  815.812459]  ? find_held_lock+0x36/0x1c0
[  815.816541]  ? handle_mm_fault+0x42a/0xc70
[  815.820780]  ? lock_downgrade+0x900/0x900
[  815.824933]  ? check_preemption_disabled+0x48/0x280
[  815.829980]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  815.834909]  ? kasan_check_read+0x11/0x20
[  815.839058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.844339]  ? rcu_softirq_qs+0x20/0x20
[  815.848314]  ? trace_hardirqs_off_caller+0x310/0x310
[  815.853436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.858978]  ? check_preemption_disabled+0x48/0x280
[  815.864007]  handle_mm_fault+0x54f/0xc70
[  815.868078]  ? __handle_mm_fault+0x5be0/0x5be0
[  815.872681]  ? find_vma+0x34/0x190
[  815.876228]  __do_page_fault+0x5e8/0xe60
[  815.880292]  ? trace_hardirqs_off+0xb8/0x310
[  815.884715]  do_page_fault+0xf2/0x7e0
[  815.888521]  ? vmalloc_sync_all+0x30/0x30
[  815.892671]  ? error_entry+0x70/0xd0
[  815.896442]  ? trace_hardirqs_off_caller+0xbb/0x310
[  815.901464]  ? trace_hardirqs_on_caller+0xc0/0x310
[  815.906404]  ? syscall_return_slowpath+0x5e0/0x5e0
[  815.911342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  815.916187]  ? trace_hardirqs_on_caller+0x310/0x310
[  815.921202]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  815.926660]  ? prepare_exit_to_usermode+0x291/0x3b0
[  815.931683]  ? page_fault+0x8/0x30
[  815.935231]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  815.940084]  ? page_fault+0x8/0x30
[  815.943631]  page_fault+0x1e/0x30
[  815.947081] RIP: 0033:0x45ddf3
[  815.950289] Code: Bad RIP value.
[  815.953649] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  815.959010] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  815.966279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  815.973555] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  815.980822] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  815.988087] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  815.995407] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  815.995415] warn_alloc_show_mem: 1 callbacks suppressed
[  815.995423] Mem-Info:
[  816.002440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  816.007814] active_anon:53034 inactive_anon:131 isolated_anon:0
[  816.007814]  active_file:14 inactive_file:14 isolated_file:0
[  816.007814]  unevictable:0 dirty:0 writeback:0 unstable:0
[  816.007814]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  816.007814]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  816.007814]  free:13749 free_pcp:564 free_cma:0
[  816.010193] Call Trace:
[  816.019583] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  816.052514]  <IRQ>
[  816.055091] 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
[  816.082516]  dump_stack+0x244/0x39d
[  816.084640] lowmem_reserve[]: 0 2818 6321 6321
[  816.110765]  ? dump_stack_print_info.cold.1+0x20/0x20
[  816.114369] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  816.118965]  warn_alloc.cold.116+0xb7/0x1bd
[  816.124127] lowmem_reserve[]: 0 0 3503 3503
[  816.151624]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  816.155929] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  816.160250]  ? lock_downgrade+0x900/0x900
[  816.165070] lowmem_reserve[]: 0 0 0 0
[  816.194132]  ? trace_hardirqs_off+0xb8/0x310
[  816.198270] 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
[  816.202068]  ? trace_hardirqs_off+0xb8/0x310
[  816.206452] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  816.219979]  __alloc_pages_slowpath+0x26e8/0x2e10
[  816.224367] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  816.239578]  ? warn_alloc+0x120/0x120
[  816.244376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  816.259809]  ? warn_alloc+0x120/0x120
[  816.263594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  816.272431]  ? warn_alloc+0x120/0x120
[  816.276215] 166 total pagecache pages
[  816.284787]  ? print_usage_bug+0xc0/0xc0
[  816.288570] 0 pages in swap cache
[  816.292360]  ? enqueue_hrtimer+0x1a5/0x560
[  816.296417] Swap cache stats: add 0, delete 0, find 0/0
[  816.299858]  ? print_usage_bug+0xc0/0xc0
[  816.304071] Free swap  = 0kB
[  816.309439]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  816.313478] Total swap = 0kB
[  816.316498]  ? print_usage_bug+0xc0/0xc0
[  816.321667] 1965979 pages RAM
[  816.324689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  816.328727] 0 pages HighMem/MovableOnly
[  816.328737] 342858 pages reserved
[  816.331844]  ? should_fail+0x22d/0xd01
[  816.337354] 0 pages cma reserved
[  816.337462] aoe: skb alloc failure
[  816.341334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  816.344794] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  816.348653]  ? __lock_acquire+0x62f/0x4c20
[  816.351999] syz-fuzzer cpuset=/ mems_allowed=0
[  816.355540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  816.384710]  ? __lock_acquire+0x62f/0x4c20
[  816.388945]  ? should_fail+0x22d/0xd01
[  816.392845]  ? mark_held_locks+0x130/0x130
[  816.397086]  ? mark_held_locks+0x130/0x130
[  816.401333]  ? mark_held_locks+0x130/0x130
[  816.405570]  ? zap_class+0x640/0x640
[  816.409285]  ? check_preemption_disabled+0x48/0x280
[  816.414303]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  816.418803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.424347]  ? check_preemption_disabled+0x48/0x280
[  816.429379]  ? __lock_is_held+0xb5/0x140
[  816.433459]  __alloc_pages_nodemask+0xa80/0xde0
[  816.438133]  ? zap_class+0x640/0x640
[  816.441854]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  816.446916]  ? find_held_lock+0x36/0x1c0
[  816.451013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  816.455687]  ? lock_downgrade+0x900/0x900
[  816.459844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.465401]  cache_grow_begin+0xa5/0x8c0
[  816.469474]  ? do_raw_spin_unlock+0xa7/0x330
[  816.473895]  fallback_alloc+0x204/0x2e0
[  816.477884]  ____cache_alloc_node+0x1c7/0x1e0
[  816.482391]  kmem_cache_alloc+0x1f8/0x730
[  816.486564]  __build_skb+0xab/0x430
[  816.490193]  ? skb_try_coalesce+0x1b70/0x1b70
[  816.494703]  ? trace_hardirqs_on+0xbd/0x310
[  816.499040]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  816.504579]  ? trace_hardirqs_off_caller+0x310/0x310
[  816.509689]  ? mod_timer+0x631/0x1560
[  816.513492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.519031]  ? check_preemption_disabled+0x48/0x280
[  816.524057]  __netdev_alloc_skb+0x2b5/0x450
[  816.528386]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  816.533773]  ? br_send_bpdu_finish+0x20/0x20
[  816.538192]  ? mark_held_locks+0x130/0x130
[  816.542446]  ? __lock_acquire+0x62f/0x4c20
[  816.546684]  ? mod_timer_pending+0x1640/0x1640
[  816.551276]  br_send_config_bpdu+0xc9d/0x10a0
[  816.555774]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  816.561407]  ? round_jiffies+0x11c/0x170
[  816.565476]  ? find_held_lock+0x36/0x1c0
[  816.569547]  br_transmit_config+0x8cd/0xbb0
[  816.573877]  ? br_get_port+0x280/0x280
[  816.577768]  ? lock_acquire+0x1ed/0x520
[  816.581749]  ? br_hello_timer_expired+0x20/0x190
[  816.586515]  ? kasan_check_read+0x11/0x20
[  816.590679]  br_config_bpdu_generation+0x16a/0x1c0
[  816.595614]  br_hello_timer_expired+0xa9/0x190
[  816.600198]  call_timer_fn+0x272/0x920
[  816.604087]  ? br_is_root_bridge+0x40/0x40
[  816.608327]  ? process_timeout+0x40/0x40
[  816.612403]  ? __run_timers+0x7da/0xc70
[  816.616404]  ? _raw_spin_unlock_irq+0x27/0x80
[  816.620901]  ? _raw_spin_unlock_irq+0x27/0x80
[  816.625415]  ? br_is_root_bridge+0x40/0x40
[  816.629656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  816.634242]  ? trace_hardirqs_on+0xbd/0x310
[  816.638566]  ? kasan_check_read+0x11/0x20
[  816.642723]  ? __run_timers+0x7da/0xc70
[  816.646704]  ? trace_hardirqs_off_caller+0x310/0x310
[  816.651823]  ? br_is_root_bridge+0x40/0x40
[  816.656054]  __run_timers+0x7e5/0xc70
[  816.659880]  ? timer_fixup_init+0x70/0x70
[  816.664036]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  816.669056]  ? zap_class+0x640/0x640
[  816.672786]  ? enqueue_hrtimer+0x1a5/0x560
[  816.677024]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  816.682236]  ? find_held_lock+0x36/0x1c0
[  816.686305]  ? zap_class+0x640/0x640
[  816.690028]  ? pvclock_read_flags+0x160/0x160
[  816.694534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.700075]  ? check_preemption_disabled+0x48/0x280
[  816.705102]  ? __lock_is_held+0xb5/0x140
[  816.709176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.714728]  ? check_preemption_disabled+0x48/0x280
[  816.719753]  run_timer_softirq+0x52/0xb0
[  816.723970]  ? rcu_read_lock_sched_held+0x14f/0x180
[  816.729002]  __do_softirq+0x308/0xb7e
[  816.732807]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  816.737298]  ? lock_downgrade+0x900/0x900
[  816.741463]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  816.746575]  ? pvclock_read_flags+0x160/0x160
[  816.751075]  ? lapic_next_event+0x5a/0x90
[  816.755228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.760773]  ? kvm_clock_read+0x18/0x30
[  816.764759]  ? kvm_sched_clock_read+0x9/0x20
[  816.769173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.774714]  ? check_preemption_disabled+0x48/0x280
[  816.779746]  irq_exit+0x17f/0x1c0
[  816.783209]  smp_apic_timer_interrupt+0x1cb/0x760
[  816.788052]  ? smp_reschedule_interrupt+0x109/0x650
[  816.793071]  ? smp_call_function_single_interrupt+0x650/0x650
[  816.798962]  ? interrupt_entry+0xb5/0xc0
[  816.803044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  816.808062]  ? trace_hardirqs_off_caller+0xbb/0x310
[  816.813084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  816.817936]  ? trace_hardirqs_on_caller+0x310/0x310
[  816.822952]  ? trace_hardirqs_on_caller+0x310/0x310
[  816.827969]  ? task_prio+0x50/0x50
[  816.831975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.837520]  ? check_preemption_disabled+0x48/0x280
[  816.842547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  816.847414]  apic_timer_interrupt+0xf/0x20
[  816.851644]  </IRQ>
[  816.853887] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  816.859779] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  816.878681] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  816.886391] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  816.893667] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  816.900940] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  816.908209] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  816.915488] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  816.922796]  ? save_stack+0xa9/0xd0
[  816.926446]  __kmalloc_node_track_caller+0x3c/0x70
[  816.931420]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  816.936190]  pskb_expand_head+0x230/0x10f0
[  816.940430]  ? check_preemption_disabled+0x48/0x280
[  816.945464]  ? memcpy+0x45/0x50
[  816.948746]  ? __copy_skb_header+0x350/0x6b0
[  816.953157]  ? skb_release_data+0x880/0x880
[  816.957481]  ? __alloc_skb+0x770/0x770
[  816.961379]  ? __lock_is_held+0xb5/0x140
[  816.965462]  ? kasan_check_write+0x14/0x20
[  816.969696]  ? __skb_clone+0x6c7/0xa00
[  816.973591]  ? __copy_skb_header+0x6b0/0x6b0
[  816.978003]  ? kmem_cache_alloc+0x33a/0x730
[  816.982328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.987877]  skb_ensure_writable+0x3dd/0x640
[  816.992296]  ? skb_checksum_setup+0xaa0/0xaa0
[  816.996811]  ? preempt_notifier_register+0x200/0x200
[  817.001941]  ? __switch_to_asm+0x34/0x70
[  817.006002]  ? __switch_to_asm+0x34/0x70
[  817.010062]  ? __switch_to_asm+0x40/0x70
[  817.014122]  ? __switch_to_asm+0x34/0x70
[  817.018181]  ? __switch_to_asm+0x40/0x70
[  817.022239]  ? __switch_to_asm+0x40/0x70
[  817.026304]  ? __switch_to_asm+0x34/0x70
[  817.030365]  ? __switch_to_asm+0x34/0x70
[  817.034434]  ? __switch_to_asm+0x40/0x70
[  817.038497]  ? __switch_to_asm+0x34/0x70
[  817.042571]  bpf_clone_redirect+0x14a/0x490
[  817.046912]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  817.051939]  ? __sched_text_start+0x8/0x8
[  817.056091]  ? retint_kernel+0x2d/0x2d
[  817.059990]  ? find_held_lock+0x36/0x1c0
[  817.064091]  ? lock_acquire+0x1ed/0x520
[  817.068065]  ? bpf_test_run+0x3cb/0x780
[  817.072042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.077580]  ? check_preemption_disabled+0x48/0x280
[  817.082605]  ? kasan_check_read+0x11/0x20
[  817.086758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  817.092034]  ? rcu_softirq_qs+0x20/0x20
[  817.096012]  ? preempt_schedule+0x4d/0x60
[  817.100204]  ? ___preempt_schedule+0x16/0x18
[  817.104620]  ? bpf_test_run+0x25d/0x780
[  817.108608]  ? netlink_diag_dump+0x2a0/0x2a0
[  817.113020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.118556]  ? bpf_test_init.isra.10+0x70/0x100
[  817.123229]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  817.128011]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  817.132857]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  817.138405]  ? fput+0x130/0x1a0
[  817.141696]  ? __bpf_prog_get+0x9b/0x290
[  817.145765]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  817.150612]  ? bpf_prog_test_run+0x130/0x1a0
[  817.155030]  ? __x64_sys_bpf+0x3d8/0x520
[  817.159096]  ? bpf_prog_get+0x20/0x20
[  817.162923]  ? do_syscall_64+0x1b9/0x820
[  817.167000]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  817.172365]  ? syscall_return_slowpath+0x5e0/0x5e0
[  817.177321]  ? trace_hardirqs_on_caller+0x310/0x310
[  817.182341]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  817.187360]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  817.194035]  ? __switch_to_asm+0x40/0x70
[  817.198095]  ? __switch_to_asm+0x34/0x70
[  817.202165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  817.207025]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  817.212423] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  817.212592] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  817.219102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  817.219111] Call Trace:
[  817.229586] syz-executor0 cpuset=syz0 mems_allowed=0
[  817.238939]  <IRQ>
[  817.248750]  dump_stack+0x244/0x39d
[  817.252382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  817.257615]  warn_alloc.cold.116+0xb7/0x1bd
[  817.261943]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  817.266796]  ? lock_downgrade+0x900/0x900
[  817.270966]  ? trace_hardirqs_off+0xb8/0x310
[  817.275403]  ? trace_hardirqs_off+0xb8/0x310
[  817.279830]  __alloc_pages_slowpath+0x26e8/0x2e10
[  817.284704]  ? warn_alloc+0x120/0x120
[  817.288520]  ? warn_alloc+0x120/0x120
[  817.292323]  ? __lock_acquire+0x62f/0x4c20
[  817.296559]  ? warn_alloc+0x120/0x120
[  817.300367]  ? print_usage_bug+0xc0/0xc0
[  817.304455]  ? print_usage_bug+0xc0/0xc0
[  817.308526]  ? mark_held_locks+0x130/0x130
[  817.312769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.318308]  ? should_fail+0x22d/0xd01
[  817.322193]  ? zap_class+0x640/0x640
[  817.325939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  817.331086]  ? __lock_acquire+0x62f/0x4c20
[  817.335355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  817.340462]  ? should_fail+0x22d/0xd01
[  817.344361]  ? mark_held_locks+0x130/0x130
[  817.348623]  ? mark_held_locks+0x130/0x130
[  817.352863]  ? lock_downgrade+0x900/0x900
[  817.357016]  ? zap_class+0x640/0x640
[  817.360732]  ? zap_class+0x640/0x640
[  817.364462]  ? zap_class+0x640/0x640
[  817.368178]  ? do_raw_spin_unlock+0xa7/0x330
[  817.372588]  ? trace_hardirqs_on+0x310/0x310
[  817.376996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.382538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.388075]  ? check_preemption_disabled+0x48/0x280
[  817.393099]  ? __lock_is_held+0xb5/0x140
[  817.397169]  __alloc_pages_nodemask+0xa80/0xde0
[  817.401856]  ? zap_class+0x640/0x640
[  817.405611]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  817.410643]  ? find_held_lock+0x36/0x1c0
[  817.414712]  ? ____cache_alloc_node+0x1c7/0x1e0
[  817.419391]  ? lock_downgrade+0x900/0x900
[  817.423601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.429145]  cache_grow_begin+0xa5/0x8c0
[  817.433217]  ? do_raw_spin_unlock+0xa7/0x330
[  817.437636]  fallback_alloc+0x204/0x2e0
[  817.441623]  ____cache_alloc_node+0x1c7/0x1e0
[  817.446131]  kmem_cache_alloc_node+0xe3/0x730
[  817.450631]  ? lockdep_hardirqs_on+0x296/0x5b0
[  817.455221]  __alloc_skb+0x119/0x770
[  817.458938]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  817.464312]  ? netdev_alloc_frag+0x1f0/0x1f0
[  817.468729]  ? vprintk_default+0x28/0x30
[  817.472808]  ? vprintk_func+0x85/0x181
[  817.476699]  ? printk+0xa7/0xcf
[  817.479984]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  817.484753]  new_skb+0x26/0x1c0
[  817.488039]  aoecmd_cfg+0x279/0x7f0
[  817.491680]  ? find_held_lock+0x36/0x1c0
[  817.495750]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  817.500082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.505630]  ? __lock_is_held+0xb5/0x140
[  817.509705]  discover_timer+0x50/0x60
[  817.513505]  call_timer_fn+0x272/0x920
[  817.517421]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  817.522270]  ? process_timeout+0x40/0x40
[  817.526348]  ? mark_held_locks+0xc7/0x130
[  817.530504]  ? _raw_spin_unlock_irq+0x27/0x80
[  817.535013]  ? _raw_spin_unlock_irq+0x27/0x80
[  817.539512]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  817.544368]  ? lockdep_hardirqs_on+0x296/0x5b0
[  817.548961]  ? trace_hardirqs_on+0xbd/0x310
[  817.553280]  ? kasan_check_read+0x11/0x20
[  817.557431]  ? __run_timers+0x7da/0xc70
[  817.561475]  ? trace_hardirqs_off_caller+0x310/0x310
[  817.566595]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  817.571451]  __run_timers+0x7e5/0xc70
[  817.575264]  ? timer_fixup_init+0x70/0x70
[  817.579449]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  817.584475]  ? zap_class+0x640/0x640
[  817.588206]  ? print_usage_bug+0xc0/0xc0
[  817.592269]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  817.597472]  ? find_held_lock+0x36/0x1c0
[  817.601538]  ? zap_class+0x640/0x640
[  817.605262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.610803]  ? check_preemption_disabled+0x48/0x280
[  817.615844]  ? __lock_is_held+0xb5/0x140
[  817.619904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.625445]  ? check_preemption_disabled+0x48/0x280
[  817.630469]  run_timer_softirq+0x52/0xb0
[  817.634536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  817.639556]  __do_softirq+0x308/0xb7e
[  817.643367]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  817.647890]  ? lock_downgrade+0x900/0x900
[  817.652044]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  817.657162]  ? pvclock_read_flags+0x160/0x160
[  817.661660]  ? lapic_next_event+0x5a/0x90
[  817.665810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.671349]  ? kvm_clock_read+0x18/0x30
[  817.675323]  ? kvm_sched_clock_read+0x9/0x20
[  817.679739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.685293]  ? check_preemption_disabled+0x48/0x280
[  817.690322]  irq_exit+0x17f/0x1c0
[  817.693785]  smp_apic_timer_interrupt+0x1cb/0x760
[  817.698628]  ? smp_reschedule_interrupt+0x109/0x650
[  817.703651]  ? smp_call_function_single_interrupt+0x650/0x650
[  817.709542]  ? interrupt_entry+0xb5/0xc0
[  817.713610]  ? trace_hardirqs_off_caller+0xbb/0x310
[  817.718638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  817.723657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  817.728511]  ? trace_hardirqs_on_caller+0x310/0x310
[  817.733526]  ? trace_hardirqs_on_caller+0x310/0x310
[  817.738545]  ? task_prio+0x50/0x50
[  817.742090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.747631]  ? check_preemption_disabled+0x48/0x280
[  817.752671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  817.757525]  apic_timer_interrupt+0xf/0x20
[  817.761754]  </IRQ>
[  817.763991] RIP: 0010:dump_stack+0x358/0x39d
[  817.768421] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  817.787828] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  817.795559] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  817.802830] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  817.810108] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  817.817400] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  817.824684] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  817.831967]  ? dump_stack+0x34f/0x39d
[  817.835821]  ? dump_stack_print_info.cold.1+0x20/0x20
[  817.841028]  ? mark_held_locks+0x130/0x130
[  817.845261]  ? mark_held_locks+0x130/0x130
[  817.849505]  dump_header+0x27b/0xf72
[  817.853234]  ? pagefault_out_of_memory+0x197/0x197
[  817.858187]  ? __lock_acquire+0x62f/0x4c20
[  817.862430]  ? percpu_ref_get_many+0x240/0x240
[  817.867018]  ? print_usage_bug+0xc0/0xc0
[  817.871087]  ? zap_class+0x640/0x640
[  817.874816]  ? print_usage_bug+0xc0/0xc0
[  817.878878]  ? print_usage_bug+0xc0/0xc0
[  817.882941]  ? zap_class+0x640/0x640
[  817.886659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.892214]  ? find_held_lock+0x36/0x1c0
[  817.896290]  ? mark_held_locks+0xc7/0x130
[  817.900461]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  817.905577]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  817.910683]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  817.915279]  ? trace_hardirqs_on+0xbd/0x310
[  817.919602]  ? kasan_check_read+0x11/0x20
[  817.923756]  ? ___ratelimit+0x3b4/0x672
[  817.927760]  ? trace_hardirqs_off_caller+0x310/0x310
[  817.932867]  ? trace_hardirqs_on+0x310/0x310
[  817.937277]  ? lock_downgrade+0x900/0x900
[  817.941446]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  817.946557]  ? ___ratelimit+0x3b9/0x672
[  817.950536]  ? idr_get_free+0xf80/0xf80
[  817.954517]  ? find_held_lock+0x36/0x1c0
[  817.958593]  oom_kill_process.cold.27+0x10/0x903
[  817.963354]  ? zap_class+0x640/0x640
[  817.967069]  ? check_preemption_disabled+0x48/0x280
[  817.972101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  817.977029]  ? kasan_check_read+0x11/0x20
[  817.981189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  817.986470]  ? oom_evaluate_task+0x540/0x540
[  817.990885]  ? find_held_lock+0x36/0x1c0
[  817.994957]  ? out_of_memory+0x974/0x1430
[  817.999109]  ? lock_downgrade+0x900/0x900
[  818.003255]  ? check_preemption_disabled+0x48/0x280
[  818.008272]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  818.013199]  ? kasan_check_read+0x11/0x20
[  818.017346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.022622]  ? rcu_softirq_qs+0x20/0x20
[  818.026623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.032160]  ? oom_evaluate_task+0x302/0x540
[  818.036583]  out_of_memory+0xa84/0x1430
[  818.040574]  ? oom_killer_disable+0x3a0/0x3a0
[  818.045075]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  818.050009]  ? __ww_mutex_check_waiters+0x160/0x160
[  818.055039]  __alloc_pages_slowpath+0x2354/0x2e10
[  818.059916]  ? warn_alloc+0x120/0x120
[  818.063718]  ? mark_held_locks+0x130/0x130
[  818.067960]  ? find_get_entry+0xaae/0x1120
[  818.072206]  ? filemap_map_pages+0x1a20/0x1a20
[  818.076794]  ? zap_class+0x640/0x640
[  818.080515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  818.086052]  ? check_preemption_disabled+0x48/0x280
[  818.091070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.096617]  ? should_fail+0x22d/0xd01
[  818.100530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  818.105635]  ? zap_class+0x640/0x640
[  818.109379]  ? __lock_is_held+0xb5/0x140
[  818.113465]  ? mark_held_locks+0x130/0x130
[  818.117704]  ? lock_release+0xa00/0xa00
[  818.121681]  ? perf_trace_sched_process_exec+0x860/0x860
[  818.127135]  ? xa_load+0x2ba/0x460
[  818.130677]  ? lock_downgrade+0x900/0x900
[  818.134832]  ? __might_sleep+0x95/0x190
[  818.138828]  __alloc_pages_nodemask+0xa80/0xde0
[  818.143512]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  818.148529]  ? __page_cache_alloc+0x191/0x5c0
[  818.153021]  ? xa_load+0x2e1/0x460
[  818.156564]  ? xa_clear_mark+0x40/0x40
[  818.160456]  ? zap_class+0x640/0x640
[  818.164177]  ? zap_class+0x640/0x640
[  818.167904]  ? zap_class+0x640/0x640
[  818.171624]  ? __do_page_cache_readahead+0x663/0x810
[  818.176739]  ? find_held_lock+0x36/0x1c0
[  818.180823]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  818.186366]  alloc_pages_current+0x173/0x350
[  818.190795]  __page_cache_alloc+0x38c/0x5c0
[  818.195116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  818.200047]  ? kasan_check_read+0x11/0x20
[  818.204208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.209487]  ? generic_perform_write+0x6a0/0x6a0
[  818.214248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.219815]  ? check_preemption_disabled+0x48/0x280
[  818.224844]  filemap_fault+0x1595/0x25f0
[  818.228918]  ? __lock_page_or_retry+0xa00/0xa00
[  818.233615]  ? mark_held_locks+0x130/0x130
[  818.237877]  ? filemap_map_pages+0xd6b/0x1a20
[  818.242377]  ? lock_downgrade+0x900/0x900
[  818.246541]  ? check_preemption_disabled+0x48/0x280
[  818.251560]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  818.256499]  ? kasan_check_read+0x11/0x20
[  818.260665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.265943]  ? rcu_softirq_qs+0x20/0x20
[  818.269936]  ? filemap_map_pages+0xd92/0x1a20
[  818.274459]  ? find_get_entries_tag+0x1400/0x1400
[  818.279319]  ? debug_object_destroy+0x2b0/0x2b0
[  818.283994]  ? lock_pi_update_atomic+0x150/0x150
[  818.288748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  818.294304]  ? lock_acquire+0x1ed/0x520
[  818.298291]  ? ext4_filemap_fault+0x7a/0xad
[  818.302645]  ? lock_release+0xa00/0xa00
[  818.306621]  ? perf_trace_sched_process_exec+0x860/0x860
[  818.312075]  ? print_usage_bug+0xc0/0xc0
[  818.316154]  ? print_usage_bug+0xc0/0xc0
[  818.320254]  ? down_read+0x8d/0x120
[  818.323880]  ? ext4_filemap_fault+0x7a/0xad
[  818.328200]  ? __down_interruptible+0x700/0x700
[  818.332884]  ext4_filemap_fault+0x82/0xad
[  818.337040]  __do_fault+0x100/0x6b0
[  818.340667]  ? find_held_lock+0x36/0x1c0
[  818.344733]  ? pmd_devmap_trans_unstable+0x220/0x220
[  818.349861]  ? mark_held_locks+0x130/0x130
[  818.354098]  ? mark_held_locks+0x130/0x130
[  818.358333]  ? _raw_spin_unlock_irq+0x27/0x80
[  818.362828]  ? _raw_spin_unlock_irq+0x27/0x80
[  818.367325]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  818.371912]  ? kasan_check_read+0x11/0x20
[  818.376067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.381613]  __handle_mm_fault+0x3ea6/0x5be0
[  818.386046]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  818.390894]  ? finish_task_switch+0x1f4/0x910
[  818.395404]  ? finish_task_switch+0x1b4/0x910
[  818.399910]  ? __switch_to_asm+0x34/0x70
[  818.403979]  ? preempt_notifier_register+0x200/0x200
[  818.409085]  ? __switch_to_asm+0x34/0x70
[  818.413145]  ? __switch_to_asm+0x34/0x70
[  818.417224]  ? zap_class+0x640/0x640
[  818.420941]  ? zap_class+0x640/0x640
[  818.424656]  ? __x64_sys_futex+0x53e/0x6a0
[  818.428895]  ? find_held_lock+0x36/0x1c0
[  818.432979]  ? handle_mm_fault+0x42a/0xc70
[  818.437218]  ? lock_downgrade+0x900/0x900
[  818.441369]  ? check_preemption_disabled+0x48/0x280
[  818.446413]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  818.451343]  ? kasan_check_read+0x11/0x20
[  818.455489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.460768]  ? rcu_softirq_qs+0x20/0x20
[  818.464749]  ? trace_hardirqs_off_caller+0x310/0x310
[  818.469867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.475420]  ? check_preemption_disabled+0x48/0x280
[  818.480452]  handle_mm_fault+0x54f/0xc70
[  818.484519]  ? __handle_mm_fault+0x5be0/0x5be0
[  818.489132]  ? find_vma+0x34/0x190
[  818.492680]  __do_page_fault+0x5e8/0xe60
[  818.496744]  ? trace_hardirqs_off+0xb8/0x310
[  818.501180]  do_page_fault+0xf2/0x7e0
[  818.505003]  ? vmalloc_sync_all+0x30/0x30
[  818.509158]  ? error_entry+0x70/0xd0
[  818.512874]  ? trace_hardirqs_off_caller+0xbb/0x310
[  818.517892]  ? trace_hardirqs_on_caller+0xc0/0x310
[  818.522822]  ? syscall_return_slowpath+0x5e0/0x5e0
[  818.527787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  818.532629]  ? trace_hardirqs_on_caller+0x310/0x310
[  818.537644]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  818.543113]  ? prepare_exit_to_usermode+0x291/0x3b0
[  818.548128]  ? page_fault+0x8/0x30
[  818.551686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  818.556536]  ? page_fault+0x8/0x30
[  818.560079]  page_fault+0x1e/0x30
[  818.563530] RIP: 0033:0x45ddf3
[  818.566742] Code: Bad RIP value.
[  818.570115] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  818.575489] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  818.582754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  818.590021] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  818.597286] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  818.604557] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  818.611846] warn_alloc_show_mem: 1 callbacks suppressed
[  818.611857] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  818.611859] Mem-Info:
[  818.611902] active_anon:53034 inactive_anon:131 isolated_anon:0
[  818.611902]  active_file:14 inactive_file:14 isolated_file:0
[  818.611902]  unevictable:0 dirty:0 writeback:0 unstable:0
[  818.611902]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  818.611902]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  818.611902]  free:13749 free_pcp:564 free_cma:0
[  818.617266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  818.624288] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  818.626693] Call Trace:
[  818.659646] 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
[  818.668995]  <IRQ>
[  818.696386] lowmem_reserve[]: 0 2818 6321 6321
[  818.698990]  dump_stack+0x244/0x39d
[  818.725573] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  818.727740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  818.732297] lowmem_reserve[]: 0 0 3503 3503
[  818.735939]  warn_alloc.cold.116+0xb7/0x1bd
[  818.763413] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  818.768598]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  818.772895] lowmem_reserve[]: 0 0 0 0
[  818.777230]  ? lock_downgrade+0x900/0x900
[  818.806278] 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
[  818.811122]  ? trace_hardirqs_off+0xb8/0x310
[  818.814896] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  818.819050]  ? trace_hardirqs_off+0xb8/0x310
[  818.832761] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  818.837174]  __alloc_pages_slowpath+0x26e8/0x2e10
[  818.852342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  818.856764]  ? warn_alloc+0x120/0x120
[  818.872152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  818.872161] 166 total pagecache pages
[  818.877004]  ? warn_alloc+0x120/0x120
[  818.885839] 0 pages in swap cache
[  818.889645]  ? warn_alloc+0x120/0x120
[  818.898223] Swap cache stats: add 0, delete 0, find 0/0
[  818.898232] Free swap  = 0kB
[  818.902025]  ? zap_class+0x640/0x640
[  818.905804] Total swap = 0kB
[  818.909272]  ? print_usage_bug+0xc0/0xc0
[  818.913053] 1965979 pages RAM
[  818.918423]  ? print_usage_bug+0xc0/0xc0
[  818.921419] 0 pages HighMem/MovableOnly
[  818.921428] 342858 pages reserved
[  818.925153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.928138] 0 pages cma reserved
[  818.928206] aoe: skb alloc failure
[  818.932225]  ? should_fail+0x22d/0xd01
[  818.935326] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  818.939357]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  818.943312] syz-fuzzer cpuset=/ mems_allowed=0
[  818.946777]  ? __lock_acquire+0x62f/0x4c20
[  818.987146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  818.992276]  ? __lock_acquire+0x62f/0x4c20
[  818.996513]  ? should_fail+0x22d/0xd01
[  819.000420]  ? mark_held_locks+0x130/0x130
[  819.004668]  ? mark_held_locks+0x130/0x130
[  819.008918]  ? clockevents_program_event+0x158/0x370
[  819.014030]  ? lock_downgrade+0x900/0x900
[  819.018193]  ? zap_class+0x640/0x640
[  819.021927]  ? print_usage_bug+0xc0/0xc0
[  819.025994]  ? print_usage_bug+0xc0/0xc0
[  819.030062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.035605]  ? check_preemption_disabled+0x48/0x280
[  819.040635]  ? __lock_is_held+0xb5/0x140
[  819.044720]  __alloc_pages_nodemask+0xa80/0xde0
[  819.049389]  ? zap_class+0x640/0x640
[  819.053123]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  819.058156]  ? find_held_lock+0x36/0x1c0
[  819.062234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  819.066904]  ? lock_downgrade+0x900/0x900
[  819.071070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.076642]  cache_grow_begin+0xa5/0x8c0
[  819.080716]  ? do_raw_spin_unlock+0xa7/0x330
[  819.085132]  fallback_alloc+0x204/0x2e0
[  819.089124]  ____cache_alloc_node+0x1c7/0x1e0
[  819.093627]  kmem_cache_alloc_node+0xe3/0x730
[  819.098139]  __alloc_skb+0x119/0x770
[  819.101861]  ? netdev_alloc_frag+0x1f0/0x1f0
[  819.106274]  ? check_preemption_disabled+0x48/0x280
[  819.111294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  819.116224]  ? kasan_check_read+0x11/0x20
[  819.120374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  819.125668]  ? zap_class+0x640/0x640
[  819.129385]  ? print_usage_bug+0xc0/0xc0
[  819.133488]  arp_create+0x195/0x970
[  819.137126]  arp_send_dst.part.19+0xe6/0x3f0
[  819.141544]  ? arp_xmit+0x610/0x610
[  819.145171]  ? lockdep_hardirqs_on+0x296/0x5b0
[  819.149785]  ? trace_hardirqs_on+0xbd/0x310
[  819.154106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  819.159385]  ? neigh_probe+0xca/0x120
[  819.163213]  ? trace_hardirqs_off_caller+0x310/0x310
[  819.168325]  arp_solicit+0x806/0x14e0
[  819.172148]  ? arp_rcv+0xbd0/0xbd0
[  819.175706]  ? neigh_probe+0x6f/0x120
[  819.179529]  ? lock_downgrade+0x900/0x900
[  819.183680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.189215]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
[  819.194666]  ? refcount_add_not_zero_checked+0x330/0x330
[  819.200134]  ? do_raw_write_trylock+0x270/0x270
[  819.204820]  ? do_raw_read_unlock+0x70/0x70
[  819.209161]  ? arp_rcv+0xbd0/0xbd0
[  819.212704]  neigh_probe+0xca/0x120
[  819.216374]  neigh_timer_handler+0x694/0xdf0
[  819.220805]  ? neigh_periodic_work+0xc60/0xc60
[  819.225403]  ? __lock_is_held+0xb5/0x140
[  819.229485]  call_timer_fn+0x272/0x920
[  819.233376]  ? neigh_periodic_work+0xc60/0xc60
[  819.237968]  ? process_timeout+0x40/0x40
[  819.242051]  ? __run_timers+0x7da/0xc70
[  819.246042]  ? _raw_spin_unlock_irq+0x27/0x80
[  819.250538]  ? _raw_spin_unlock_irq+0x27/0x80
[  819.255035]  ? neigh_periodic_work+0xc60/0xc60
[  819.259615]  ? lockdep_hardirqs_on+0x296/0x5b0
[  819.264206]  ? trace_hardirqs_on+0xbd/0x310
[  819.268533]  ? kasan_check_read+0x11/0x20
[  819.272682]  ? __run_timers+0x7da/0xc70
[  819.276658]  ? trace_hardirqs_off_caller+0x310/0x310
[  819.281775]  ? neigh_periodic_work+0xc60/0xc60
[  819.286355]  __run_timers+0x7e5/0xc70
[  819.290166]  ? timer_fixup_init+0x70/0x70
[  819.294315]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  819.299349]  ? zap_class+0x640/0x640
[  819.303069]  ? enqueue_hrtimer+0x1a5/0x560
[  819.307307]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  819.312510]  ? find_held_lock+0x36/0x1c0
[  819.316582]  ? zap_class+0x640/0x640
[  819.320301]  ? pvclock_read_flags+0x160/0x160
[  819.324802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.330343]  ? check_preemption_disabled+0x48/0x280
[  819.335369]  ? __lock_is_held+0xb5/0x140
[  819.339442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.344992]  ? check_preemption_disabled+0x48/0x280
[  819.350029]  run_timer_softirq+0x52/0xb0
[  819.354099]  ? rcu_read_lock_sched_held+0x14f/0x180
[  819.359138]  __do_softirq+0x308/0xb7e
[  819.362950]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  819.367463]  ? lock_downgrade+0x900/0x900
[  819.371656]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  819.376768]  ? pvclock_read_flags+0x160/0x160
[  819.381278]  ? lapic_next_event+0x5a/0x90
[  819.385445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.390994]  ? kvm_clock_read+0x18/0x30
[  819.394981]  ? kvm_sched_clock_read+0x9/0x20
[  819.399391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.404941]  ? check_preemption_disabled+0x48/0x280
[  819.409973]  irq_exit+0x17f/0x1c0
[  819.413467]  smp_apic_timer_interrupt+0x1cb/0x760
[  819.418314]  ? smp_reschedule_interrupt+0x109/0x650
[  819.423331]  ? smp_call_function_single_interrupt+0x650/0x650
[  819.429221]  ? interrupt_entry+0xb5/0xc0
[  819.433287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  819.438315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  819.443339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  819.448195]  ? trace_hardirqs_on_caller+0x310/0x310
[  819.453218]  ? trace_hardirqs_on_caller+0x310/0x310
[  819.458238]  ? task_prio+0x50/0x50
[  819.461780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.467335]  ? check_preemption_disabled+0x48/0x280
[  819.472357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  819.477214]  apic_timer_interrupt+0xf/0x20
[  819.481442]  </IRQ>
[  819.483699] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  819.489583] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  819.508481] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  819.516189] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  819.523456] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  819.530724] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  819.537991] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  819.545260] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  819.552561]  ? save_stack+0xa9/0xd0
[  819.556215]  __kmalloc_node_track_caller+0x3c/0x70
[  819.561154]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  819.565919]  pskb_expand_head+0x230/0x10f0
[  819.570154]  ? check_preemption_disabled+0x48/0x280
[  819.575188]  ? memcpy+0x45/0x50
[  819.578475]  ? __copy_skb_header+0x350/0x6b0
[  819.582895]  ? skb_release_data+0x880/0x880
[  819.587221]  ? __alloc_skb+0x770/0x770
[  819.591117]  ? __lock_is_held+0xb5/0x140
[  819.595195]  ? kasan_check_write+0x14/0x20
[  819.599445]  ? __skb_clone+0x6c7/0xa00
[  819.603344]  ? __copy_skb_header+0x6b0/0x6b0
[  819.607751]  ? kmem_cache_alloc+0x33a/0x730
[  819.612079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.617629]  skb_ensure_writable+0x3dd/0x640
[  819.622056]  ? skb_checksum_setup+0xaa0/0xaa0
[  819.626557]  ? preempt_notifier_register+0x200/0x200
[  819.631657]  ? __switch_to_asm+0x34/0x70
[  819.635718]  ? __switch_to_asm+0x34/0x70
[  819.639778]  ? __switch_to_asm+0x40/0x70
[  819.643837]  ? __switch_to_asm+0x34/0x70
[  819.647897]  ? __switch_to_asm+0x40/0x70
[  819.651970]  ? __switch_to_asm+0x40/0x70
[  819.656029]  ? __switch_to_asm+0x34/0x70
[  819.660093]  ? __switch_to_asm+0x34/0x70
[  819.664157]  ? __switch_to_asm+0x40/0x70
[  819.668216]  ? __switch_to_asm+0x34/0x70
[  819.672283]  bpf_clone_redirect+0x14a/0x490
[  819.676614]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  819.681632]  ? __sched_text_start+0x8/0x8
[  819.685782]  ? retint_kernel+0x2d/0x2d
[  819.689691]  ? find_held_lock+0x36/0x1c0
[  819.693762]  ? lock_acquire+0x1ed/0x520
[  819.697738]  ? bpf_test_run+0x3cb/0x780
[  819.701717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.707261]  ? check_preemption_disabled+0x48/0x280
[  819.712299]  ? kasan_check_read+0x11/0x20
[  819.716460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  819.721753]  ? rcu_softirq_qs+0x20/0x20
[  819.725728]  ? preempt_schedule+0x4d/0x60
[  819.729878]  ? ___preempt_schedule+0x16/0x18
[  819.734297]  ? bpf_test_run+0x25d/0x780
[  819.738286]  ? netlink_diag_dump+0x2a0/0x2a0
[  819.742698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  819.748235]  ? bpf_test_init.isra.10+0x70/0x100
[  819.752905]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  819.757681]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  819.762523]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  819.768066]  ? fput+0x130/0x1a0
[  819.771351]  ? __bpf_prog_get+0x9b/0x290
[  819.775420]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  819.780279]  ? bpf_prog_test_run+0x130/0x1a0
[  819.784693]  ? __x64_sys_bpf+0x3d8/0x520
[  819.788788]  ? bpf_prog_get+0x20/0x20
[  819.792639]  ? do_syscall_64+0x1b9/0x820
[  819.796731]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  819.802097]  ? syscall_return_slowpath+0x5e0/0x5e0
[  819.807058]  ? trace_hardirqs_on_caller+0x310/0x310
[  819.812075]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  819.817093]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  819.823760]  ? __switch_to_asm+0x40/0x70
[  819.827825]  ? __switch_to_asm+0x34/0x70
[  819.831893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  819.836750]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  819.842131] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  819.842311] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  819.848800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  819.848809] Call Trace:
[  819.859285] syz-executor0 cpuset=syz0 mems_allowed=0
[  819.868630]  <IRQ>
[  819.878446]  dump_stack+0x244/0x39d
[  819.882077]  ? dump_stack_print_info.cold.1+0x20/0x20
[  819.887291]  warn_alloc.cold.116+0xb7/0x1bd
[  819.891616]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  819.896470]  ? lock_downgrade+0x900/0x900
[  819.900634]  ? trace_hardirqs_off+0xb8/0x310
[  819.905049]  ? trace_hardirqs_off+0xb8/0x310
[  819.909465]  __alloc_pages_slowpath+0x26e8/0x2e10
[  819.914337]  ? warn_alloc+0x120/0x120
[  819.918143]  ? warn_alloc+0x120/0x120
[  819.921944]  ? __lock_acquire+0x62f/0x4c20
[  819.926182]  ? warn_alloc+0x120/0x120
[  819.929989]  ? print_usage_bug+0xc0/0xc0
[  819.934058]  ? print_usage_bug+0xc0/0xc0
[  819.938126]  ? mark_held_locks+0x130/0x130
[  819.942382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  819.947937]  ? should_fail+0x22d/0xd01
[  819.951839]  ? zap_class+0x640/0x640
[  819.955570]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  819.960682]  ? __lock_acquire+0x62f/0x4c20
[  819.964922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  819.970026]  ? should_fail+0x22d/0xd01
[  819.973927]  ? mark_held_locks+0x130/0x130
[  819.978166]  ? mark_held_locks+0x130/0x130
[  819.982415]  ? lock_downgrade+0x900/0x900
[  819.986580]  ? zap_class+0x640/0x640
[  819.990298]  ? zap_class+0x640/0x640
[  819.994017]  ? zap_class+0x640/0x640
[  819.997726]  ? do_raw_spin_unlock+0xa7/0x330
[  820.002168]  ? trace_hardirqs_on+0x310/0x310
[  820.006588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.012144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.017682]  ? check_preemption_disabled+0x48/0x280
[  820.022705]  ? __lock_is_held+0xb5/0x140
[  820.026774]  __alloc_pages_nodemask+0xa80/0xde0
[  820.031447]  ? zap_class+0x640/0x640
[  820.035172]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  820.040200]  ? find_held_lock+0x36/0x1c0
[  820.044275]  ? ____cache_alloc_node+0x1c7/0x1e0
[  820.048946]  ? lock_downgrade+0x900/0x900
[  820.053103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.058648]  cache_grow_begin+0xa5/0x8c0
[  820.062712]  ? do_raw_spin_unlock+0xa7/0x330
[  820.067130]  fallback_alloc+0x204/0x2e0
[  820.071114]  ____cache_alloc_node+0x1c7/0x1e0
[  820.075617]  kmem_cache_alloc_node+0xe3/0x730
[  820.080119]  ? lockdep_hardirqs_on+0x296/0x5b0
[  820.084709]  __alloc_skb+0x119/0x770
[  820.088431]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  820.093817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  820.098259]  ? vprintk_default+0x28/0x30
[  820.102321]  ? vprintk_func+0x85/0x181
[  820.106208]  ? printk+0xa7/0xcf
[  820.109494]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  820.114261]  new_skb+0x26/0x1c0
[  820.117549]  aoecmd_cfg+0x279/0x7f0
[  820.121193]  ? find_held_lock+0x36/0x1c0
[  820.125258]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  820.129588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.135153]  ? __lock_is_held+0xb5/0x140
[  820.139226]  discover_timer+0x50/0x60
[  820.143026]  call_timer_fn+0x272/0x920
[  820.146912]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  820.151760]  ? process_timeout+0x40/0x40
[  820.155832]  ? mark_held_locks+0xc7/0x130
[  820.159985]  ? _raw_spin_unlock_irq+0x27/0x80
[  820.164494]  ? _raw_spin_unlock_irq+0x27/0x80
[  820.168988]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  820.173841]  ? lockdep_hardirqs_on+0x296/0x5b0
[  820.178440]  ? trace_hardirqs_on+0xbd/0x310
[  820.182812]  ? kasan_check_read+0x11/0x20
[  820.186986]  ? __run_timers+0x7da/0xc70
[  820.191004]  ? trace_hardirqs_off_caller+0x310/0x310
[  820.196120]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  820.200960]  __run_timers+0x7e5/0xc70
[  820.204787]  ? timer_fixup_init+0x70/0x70
[  820.208952]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  820.214497]  ? zap_class+0x640/0x640
[  820.218218]  ? print_usage_bug+0xc0/0xc0
[  820.222288]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  820.227487]  ? find_held_lock+0x36/0x1c0
[  820.231556]  ? zap_class+0x640/0x640
[  820.235280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.240822]  ? check_preemption_disabled+0x48/0x280
[  820.245851]  ? __lock_is_held+0xb5/0x140
[  820.249913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.255453]  ? check_preemption_disabled+0x48/0x280
[  820.260475]  run_timer_softirq+0x52/0xb0
[  820.264539]  ? rcu_read_lock_sched_held+0x14f/0x180
[  820.269560]  __do_softirq+0x308/0xb7e
[  820.273366]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  820.277878]  ? lock_downgrade+0x900/0x900
[  820.282035]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  820.287152]  ? pvclock_read_flags+0x160/0x160
[  820.291652]  ? lapic_next_event+0x5a/0x90
[  820.295802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.301349]  ? kvm_clock_read+0x18/0x30
[  820.305324]  ? kvm_sched_clock_read+0x9/0x20
[  820.309736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.315279]  ? check_preemption_disabled+0x48/0x280
[  820.320304]  irq_exit+0x17f/0x1c0
[  820.323776]  smp_apic_timer_interrupt+0x1cb/0x760
[  820.328624]  ? smp_reschedule_interrupt+0x109/0x650
[  820.333649]  ? smp_call_function_single_interrupt+0x650/0x650
[  820.339537]  ? interrupt_entry+0xb5/0xc0
[  820.343606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  820.348622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  820.353641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  820.358497]  ? trace_hardirqs_on_caller+0x310/0x310
[  820.363512]  ? trace_hardirqs_on_caller+0x310/0x310
[  820.368529]  ? task_prio+0x50/0x50
[  820.372076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.378038]  ? check_preemption_disabled+0x48/0x280
[  820.383076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  820.387953]  apic_timer_interrupt+0xf/0x20
[  820.392184]  </IRQ>
[  820.394434] RIP: 0010:dump_stack+0x358/0x39d
[  820.398845] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  820.417742] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  820.425455] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  820.432721] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  820.439989] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  820.447252] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  820.454520] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  820.461805]  ? dump_stack+0x34f/0x39d
[  820.465617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  820.470819]  ? mark_held_locks+0x130/0x130
[  820.475055]  ? mark_held_locks+0x130/0x130
[  820.479324]  dump_header+0x27b/0xf72
[  820.483870]  ? pagefault_out_of_memory+0x197/0x197
[  820.488811]  ? __lock_acquire+0x62f/0x4c20
[  820.493045]  ? percpu_ref_get_many+0x240/0x240
[  820.497634]  ? print_usage_bug+0xc0/0xc0
[  820.501711]  ? zap_class+0x640/0x640
[  820.505440]  ? print_usage_bug+0xc0/0xc0
[  820.509501]  ? print_usage_bug+0xc0/0xc0
[  820.513579]  ? zap_class+0x640/0x640
[  820.517318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.522862]  ? find_held_lock+0x36/0x1c0
[  820.526937]  ? mark_held_locks+0xc7/0x130
[  820.531090]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  820.536195]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  820.541304]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  820.545890]  ? trace_hardirqs_on+0xbd/0x310
[  820.550212]  ? kasan_check_read+0x11/0x20
[  820.554383]  ? ___ratelimit+0x3b4/0x672
[  820.558377]  ? trace_hardirqs_off_caller+0x310/0x310
[  820.563507]  ? trace_hardirqs_on+0x310/0x310
[  820.567922]  ? lock_downgrade+0x900/0x900
[  820.572085]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  820.577190]  ? ___ratelimit+0x3b9/0x672
[  820.581170]  ? idr_get_free+0xf80/0xf80
[  820.585149]  ? find_held_lock+0x36/0x1c0
[  820.589223]  oom_kill_process.cold.27+0x10/0x903
[  820.593985]  ? zap_class+0x640/0x640
[  820.597700]  ? check_preemption_disabled+0x48/0x280
[  820.602734]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  820.607664]  ? kasan_check_read+0x11/0x20
[  820.611815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.617094]  ? oom_evaluate_task+0x540/0x540
[  820.621509]  ? find_held_lock+0x36/0x1c0
[  820.625586]  ? out_of_memory+0x974/0x1430
[  820.629739]  ? lock_downgrade+0x900/0x900
[  820.633888]  ? check_preemption_disabled+0x48/0x280
[  820.638921]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  820.643864]  ? kasan_check_read+0x11/0x20
[  820.648011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.653290]  ? rcu_softirq_qs+0x20/0x20
[  820.657274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.662817]  ? oom_evaluate_task+0x302/0x540
[  820.667231]  out_of_memory+0xa84/0x1430
[  820.671218]  ? oom_killer_disable+0x3a0/0x3a0
[  820.675721]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  820.680679]  ? __ww_mutex_check_waiters+0x160/0x160
[  820.685713]  __alloc_pages_slowpath+0x2354/0x2e10
[  820.690599]  ? warn_alloc+0x120/0x120
[  820.694411]  ? mark_held_locks+0x130/0x130
[  820.698669]  ? find_get_entry+0xaae/0x1120
[  820.702915]  ? filemap_map_pages+0x1a20/0x1a20
[  820.707518]  ? zap_class+0x640/0x640
[  820.711253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.716807]  ? check_preemption_disabled+0x48/0x280
[  820.721828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.727873]  ? should_fail+0x22d/0xd01
[  820.731769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  820.736875]  ? zap_class+0x640/0x640
[  820.740629]  ? __lock_is_held+0xb5/0x140
[  820.744702]  ? mark_held_locks+0x130/0x130
[  820.748944]  ? lock_release+0xa00/0xa00
[  820.752921]  ? perf_trace_sched_process_exec+0x860/0x860
[  820.758377]  ? xa_load+0x2ba/0x460
[  820.761932]  ? lock_downgrade+0x900/0x900
[  820.766087]  ? __might_sleep+0x95/0x190
[  820.770067]  __alloc_pages_nodemask+0xa80/0xde0
[  820.774750]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  820.779769]  ? __page_cache_alloc+0x191/0x5c0
[  820.784274]  ? xa_load+0x2e1/0x460
[  820.787818]  ? xa_clear_mark+0x40/0x40
[  820.791708]  ? zap_class+0x640/0x640
[  820.795442]  ? zap_class+0x640/0x640
[  820.799161]  ? zap_class+0x640/0x640
[  820.802904]  ? __do_page_cache_readahead+0x663/0x810
[  820.808010]  ? find_held_lock+0x36/0x1c0
[  820.812078]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  820.817622]  alloc_pages_current+0x173/0x350
[  820.822040]  __page_cache_alloc+0x38c/0x5c0
[  820.826361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  820.831437]  ? kasan_check_read+0x11/0x20
[  820.835586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.840929]  ? generic_perform_write+0x6a0/0x6a0
[  820.845688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.851255]  ? check_preemption_disabled+0x48/0x280
[  820.856283]  filemap_fault+0x1595/0x25f0
[  820.860371]  ? __lock_page_or_retry+0xa00/0xa00
[  820.865055]  ? mark_held_locks+0x130/0x130
[  820.869322]  ? filemap_map_pages+0xd6b/0x1a20
[  820.873832]  ? lock_downgrade+0x900/0x900
[  820.877979]  ? check_preemption_disabled+0x48/0x280
[  820.882999]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  820.887931]  ? kasan_check_read+0x11/0x20
[  820.892079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.897356]  ? rcu_softirq_qs+0x20/0x20
[  820.901346]  ? filemap_map_pages+0xd92/0x1a20
[  820.905858]  ? find_get_entries_tag+0x1400/0x1400
[  820.910706]  ? debug_object_destroy+0x2b0/0x2b0
[  820.915403]  ? lock_pi_update_atomic+0x150/0x150
[  820.920182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.925736]  ? lock_acquire+0x1ed/0x520
[  820.929719]  ? ext4_filemap_fault+0x7a/0xad
[  820.934048]  ? lock_release+0xa00/0xa00
[  820.938019]  ? perf_trace_sched_process_exec+0x860/0x860
[  820.943475]  ? print_usage_bug+0xc0/0xc0
[  820.947545]  ? print_usage_bug+0xc0/0xc0
[  820.951621]  ? down_read+0x8d/0x120
[  820.955246]  ? ext4_filemap_fault+0x7a/0xad
[  820.959568]  ? __down_interruptible+0x700/0x700
[  820.964247]  ext4_filemap_fault+0x82/0xad
[  820.968412]  __do_fault+0x100/0x6b0
[  820.972042]  ? find_held_lock+0x36/0x1c0
[  820.976110]  ? pmd_devmap_trans_unstable+0x220/0x220
[  820.981217]  ? mark_held_locks+0x130/0x130
[  820.985456]  ? mark_held_locks+0x130/0x130
[  820.989693]  ? _raw_spin_unlock_irq+0x27/0x80
[  820.994189]  ? _raw_spin_unlock_irq+0x27/0x80
[  820.998715]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  821.003300]  ? kasan_check_read+0x11/0x20
[  821.007458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.013013]  __handle_mm_fault+0x3ea6/0x5be0
[  821.017442]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  821.022292]  ? finish_task_switch+0x1f4/0x910
[  821.026788]  ? finish_task_switch+0x1b4/0x910
[  821.031284]  ? __switch_to_asm+0x34/0x70
[  821.035353]  ? preempt_notifier_register+0x200/0x200
[  821.040460]  ? __switch_to_asm+0x34/0x70
[  821.044521]  ? __switch_to_asm+0x34/0x70
[  821.048613]  ? zap_class+0x640/0x640
[  821.052324]  ? zap_class+0x640/0x640
[  821.056038]  ? __x64_sys_futex+0x53e/0x6a0
[  821.060295]  ? find_held_lock+0x36/0x1c0
[  821.064365]  ? handle_mm_fault+0x42a/0xc70
[  821.068609]  ? lock_downgrade+0x900/0x900
[  821.072769]  ? check_preemption_disabled+0x48/0x280
[  821.077791]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  821.082720]  ? kasan_check_read+0x11/0x20
[  821.086870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  821.092151]  ? rcu_softirq_qs+0x20/0x20
[  821.096125]  ? trace_hardirqs_off_caller+0x310/0x310
[  821.101234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.106783]  ? check_preemption_disabled+0x48/0x280
[  821.111819]  handle_mm_fault+0x54f/0xc70
[  821.115883]  ? __handle_mm_fault+0x5be0/0x5be0
[  821.120474]  ? find_vma+0x34/0x190
[  821.124020]  __do_page_fault+0x5e8/0xe60
[  821.128096]  ? trace_hardirqs_off+0xb8/0x310
[  821.132521]  do_page_fault+0xf2/0x7e0
[  821.136323]  ? vmalloc_sync_all+0x30/0x30
[  821.140484]  ? error_entry+0x70/0xd0
[  821.144198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  821.149216]  ? trace_hardirqs_on_caller+0xc0/0x310
[  821.154147]  ? syscall_return_slowpath+0x5e0/0x5e0
[  821.159081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  821.163929]  ? trace_hardirqs_on_caller+0x310/0x310
[  821.168958]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  821.174430]  ? prepare_exit_to_usermode+0x291/0x3b0
[  821.179453]  ? page_fault+0x8/0x30
[  821.183005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  821.187852]  ? page_fault+0x8/0x30
[  821.191412]  page_fault+0x1e/0x30
[  821.194864] RIP: 0033:0x45ddf3
[  821.198069] Code: Bad RIP value.
[  821.201432] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  821.206804] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  821.214070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  821.221336] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  821.228604] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  821.235869] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  821.243172] warn_alloc_show_mem: 1 callbacks suppressed
[  821.243200] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  821.243202] Mem-Info:
[  821.243232] active_anon:53034 inactive_anon:131 isolated_anon:0
[  821.243232]  active_file:14 inactive_file:14 isolated_file:0
[  821.243232]  unevictable:0 dirty:0 writeback:0 unstable:0
[  821.243232]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  821.243232]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  821.243232]  free:13749 free_pcp:564 free_cma:0
[  821.248568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  821.248577] Call Trace:
[  821.255598] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  821.258003]  <IRQ>
[  821.290957] 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
[  821.300322]  dump_stack+0x244/0x39d
[  821.302887] lowmem_reserve[]: 0 2818 6321 6321
[  821.330329]  ? dump_stack_print_info.cold.1+0x20/0x20
[  821.332466] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  821.358580]  warn_alloc.cold.116+0xb7/0x1bd
[  821.362174] lowmem_reserve[]: 0 0 3503 3503
[  821.366752]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  821.371912] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  821.399431]  ? lock_downgrade+0x900/0x900
[  821.403730] lowmem_reserve[]: 0 0 0 0
[  821.408051]  ? trace_hardirqs_off+0xb8/0x310
[  821.412867] 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
[  821.441928]  ? trace_hardirqs_off+0xb8/0x310
[  821.446062] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  821.449861]  __alloc_pages_slowpath+0x26e8/0x2e10
[  821.454234] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  821.467800]  ? warn_alloc+0x120/0x120
[  821.472171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  821.487332]  ? warn_alloc+0x120/0x120
[  821.492171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  821.507591]  ? warn_alloc+0x120/0x120
[  821.511369] 166 total pagecache pages
[  821.520205]  ? print_usage_bug+0xc0/0xc0
[  821.523989] 0 pages in swap cache
[  821.532553]  ? print_usage_bug+0xc0/0xc0
[  821.536333] Swap cache stats: add 0, delete 0, find 0/0
[  821.540125]  ? mark_held_locks+0x130/0x130
[  821.544171] Free swap  = 0kB
[  821.547618]  ? mark_held_locks+0x130/0x130
[  821.551666] Total swap = 0kB
[  821.557027]  ? check_preemption_disabled+0x48/0x280
[  821.561245] 1965979 pages RAM
[  821.564258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.568469] 0 pages HighMem/MovableOnly
[  821.571525]  ? should_fail+0x22d/0xd01
[  821.576535] 342858 pages reserved
[  821.579633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  821.585146] 0 pages cma reserved
[  821.589112]  ? __lock_acquire+0x62f/0x4c20
[  821.593030] aoe: skb alloc failure
[  821.596432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  821.601579] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  821.604888]  ? __lock_acquire+0x62f/0x4c20
[  821.609103] syz-fuzzer cpuset=/ mems_allowed=0
[  821.612639]  ? should_fail+0x22d/0xd01
[  821.640614]  ? mark_held_locks+0x130/0x130
[  821.644855]  ? mark_held_locks+0x130/0x130
[  821.649087]  ? zap_class+0x640/0x640
[  821.652798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.658359]  ? check_preemption_disabled+0x48/0x280
[  821.663377]  ? zap_class+0x640/0x640
[  821.667103]  ? print_usage_bug+0xc0/0xc0
[  821.671181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.676716]  ? check_preemption_disabled+0x48/0x280
[  821.681743]  ? __lock_is_held+0xb5/0x140
[  821.685813]  __alloc_pages_nodemask+0xa80/0xde0
[  821.690489]  ? zap_class+0x640/0x640
[  821.694213]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  821.699245]  ? find_held_lock+0x36/0x1c0
[  821.703320]  ? ____cache_alloc_node+0x1c7/0x1e0
[  821.707990]  ? lock_downgrade+0x900/0x900
[  821.712169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.717716]  cache_grow_begin+0xa5/0x8c0
[  821.721780]  ? do_raw_spin_unlock+0xa7/0x330
[  821.726215]  fallback_alloc+0x204/0x2e0
[  821.730199]  ____cache_alloc_node+0x1c7/0x1e0
[  821.734701]  kmem_cache_alloc_node+0xe3/0x730
[  821.739199]  ? ipv6_get_ifaddr+0x42e/0x620
[  821.743449]  __alloc_skb+0x119/0x770
[  821.747162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  821.752450]  ? netdev_alloc_frag+0x1f0/0x1f0
[  821.756858]  ? lock_downgrade+0x900/0x900
[  821.761028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.766566]  ? refcount_sub_and_test_checked+0x203/0x310
[  821.772021]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  821.777476]  ? addrconf_rs_timer+0x690/0x690
[  821.781919]  ndisc_alloc_skb+0x144/0x340
[  821.785998]  ndisc_send_rs+0x331/0x6e0
[  821.789893]  addrconf_rs_timer+0x314/0x690
[  821.794137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.798386]  call_timer_fn+0x272/0x920
[  821.802325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.806572]  ? process_timeout+0x40/0x40
[  821.810661]  ? __run_timers+0x7da/0xc70
[  821.814640]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.819140]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.823635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.827877]  ? lockdep_hardirqs_on+0x296/0x5b0
[  821.832477]  ? trace_hardirqs_on+0xbd/0x310
[  821.836814]  ? kasan_check_read+0x11/0x20
[  821.840959]  ? __run_timers+0x7da/0xc70
[  821.844938]  ? trace_hardirqs_off_caller+0x310/0x310
[  821.850047]  ? ip_vs_lblc_done_svc+0x370/0x370
[  821.854635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.858871]  __run_timers+0x7e5/0xc70
[  821.862685]  ? timer_fixup_init+0x70/0x70
[  821.866835]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  821.871855]  ? zap_class+0x640/0x640
[  821.875573]  ? enqueue_hrtimer+0x1a5/0x560
[  821.879812]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  821.885014]  ? find_held_lock+0x36/0x1c0
[  821.889086]  ? zap_class+0x640/0x640
[  821.892809]  ? pvclock_read_flags+0x160/0x160
[  821.897311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.902848]  ? check_preemption_disabled+0x48/0x280
[  821.907918]  ? __lock_is_held+0xb5/0x140
[  821.911984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.917526]  ? check_preemption_disabled+0x48/0x280
[  821.922551]  run_timer_softirq+0x52/0xb0
[  821.926614]  ? rcu_read_lock_sched_held+0x14f/0x180
[  821.931635]  __do_softirq+0x308/0xb7e
[  821.935446]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  821.939944]  ? lock_downgrade+0x900/0x900
[  821.944106]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  821.949218]  ? pvclock_read_flags+0x160/0x160
[  821.953718]  ? lapic_next_event+0x5a/0x90
[  821.957875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.963434]  ? kvm_clock_read+0x18/0x30
[  821.967419]  ? kvm_sched_clock_read+0x9/0x20
[  821.971843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.977387]  ? check_preemption_disabled+0x48/0x280
[  821.982428]  irq_exit+0x17f/0x1c0
[  821.985918]  smp_apic_timer_interrupt+0x1cb/0x760
[  821.990772]  ? smp_reschedule_interrupt+0x109/0x650
[  821.995792]  ? smp_call_function_single_interrupt+0x650/0x650
[  822.001678]  ? interrupt_entry+0xb5/0xc0
[  822.005745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  822.010777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  822.015799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.020645]  ? trace_hardirqs_on_caller+0x310/0x310
[  822.025660]  ? trace_hardirqs_on_caller+0x310/0x310
[  822.030676]  ? task_prio+0x50/0x50
[  822.034221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.039761]  ? check_preemption_disabled+0x48/0x280
[  822.044784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.049639]  apic_timer_interrupt+0xf/0x20
[  822.053871]  </IRQ>
[  822.056135] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  822.062022] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  822.080924] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  822.088630] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  822.095895] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  822.103164] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  822.110432] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  822.117714] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  822.125009]  ? save_stack+0xa9/0xd0
[  822.128649]  __kmalloc_node_track_caller+0x3c/0x70
[  822.133587]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  822.138351]  pskb_expand_head+0x230/0x10f0
[  822.142586]  ? check_preemption_disabled+0x48/0x280
[  822.147617]  ? memcpy+0x45/0x50
[  822.150903]  ? __copy_skb_header+0x350/0x6b0
[  822.155331]  ? skb_release_data+0x880/0x880
[  822.159657]  ? __alloc_skb+0x770/0x770
[  822.163565]  ? __lock_is_held+0xb5/0x140
[  822.167641]  ? kasan_check_write+0x14/0x20
[  822.171872]  ? __skb_clone+0x6c7/0xa00
[  822.175772]  ? __copy_skb_header+0x6b0/0x6b0
[  822.180177]  ? kmem_cache_alloc+0x33a/0x730
[  822.184505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.190050]  skb_ensure_writable+0x3dd/0x640
[  822.194464]  ? skb_checksum_setup+0xaa0/0xaa0
[  822.198963]  ? preempt_notifier_register+0x200/0x200
[  822.204061]  ? __switch_to_asm+0x34/0x70
[  822.208122]  ? __switch_to_asm+0x34/0x70
[  822.212192]  ? __switch_to_asm+0x40/0x70
[  822.216316]  ? __switch_to_asm+0x34/0x70
[  822.220407]  ? __switch_to_asm+0x40/0x70
[  822.224469]  ? __switch_to_asm+0x40/0x70
[  822.228526]  ? __switch_to_asm+0x34/0x70
[  822.232588]  ? __switch_to_asm+0x34/0x70
[  822.236659]  ? __switch_to_asm+0x40/0x70
[  822.240718]  ? __switch_to_asm+0x34/0x70
[  822.244785]  bpf_clone_redirect+0x14a/0x490
[  822.249117]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  822.254145]  ? __sched_text_start+0x8/0x8
[  822.258305]  ? retint_kernel+0x2d/0x2d
[  822.262222]  ? find_held_lock+0x36/0x1c0
[  822.266304]  ? lock_acquire+0x1ed/0x520
[  822.270288]  ? bpf_test_run+0x3cb/0x780
[  822.274260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.279800]  ? check_preemption_disabled+0x48/0x280
[  822.284826]  ? kasan_check_read+0x11/0x20
[  822.288974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  822.294253]  ? rcu_softirq_qs+0x20/0x20
[  822.298228]  ? preempt_schedule+0x4d/0x60
[  822.302376]  ? ___preempt_schedule+0x16/0x18
[  822.306805]  ? bpf_test_run+0x25d/0x780
[  822.310790]  ? netlink_diag_dump+0x2a0/0x2a0
[  822.315206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.320746]  ? bpf_test_init.isra.10+0x70/0x100
[  822.325424]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  822.330208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  822.335079]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  822.340617]  ? fput+0x130/0x1a0
[  822.343896]  ? __bpf_prog_get+0x9b/0x290
[  822.347962]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  822.352806]  ? bpf_prog_test_run+0x130/0x1a0
[  822.357217]  ? __x64_sys_bpf+0x3d8/0x520
[  822.361283]  ? bpf_prog_get+0x20/0x20
[  822.365103]  ? do_syscall_64+0x1b9/0x820
[  822.369166]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  822.374531]  ? syscall_return_slowpath+0x5e0/0x5e0
[  822.379473]  ? trace_hardirqs_on_caller+0x310/0x310
[  822.384514]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  822.389530]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  822.396218]  ? __switch_to_asm+0x40/0x70
[  822.400277]  ? __switch_to_asm+0x34/0x70
[  822.404342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.409193]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  822.414577] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  822.414659] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  822.421245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  822.421250] Call Trace:
[  822.421255]  <IRQ>
[  822.421271]  dump_stack+0x244/0x39d
[  822.421288]  ? dump_stack_print_info.cold.1+0x20/0x20
[  822.421313]  warn_alloc.cold.116+0xb7/0x1bd
[  822.427948] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  822.437136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  822.439698] syz-executor0 cpuset=syz0 mems_allowed=0
[  822.441846]  ? lock_downgrade+0x900/0x900
[  822.479487]  ? trace_hardirqs_off+0xb8/0x310
[  822.483903]  ? trace_hardirqs_off+0xb8/0x310
[  822.488327]  __alloc_pages_slowpath+0x26e8/0x2e10
[  822.493212]  ? warn_alloc+0x120/0x120
[  822.497018]  ? warn_alloc+0x120/0x120
[  822.500849]  ? warn_alloc+0x120/0x120
[  822.504651]  ? print_usage_bug+0xc0/0xc0
[  822.508728]  ? print_usage_bug+0xc0/0xc0
[  822.512790]  ? ktime_get+0x2c1/0x400
[  822.516508]  ? check_preemption_disabled+0x48/0x280
[  822.521521]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  822.526017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.531555]  ? should_fail+0x22d/0xd01
[  822.535447]  ? kasan_check_read+0x11/0x20
[  822.539602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  822.544707]  ? __lock_acquire+0x62f/0x4c20
[  822.548946]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  822.554047]  ? should_fail+0x22d/0xd01
[  822.557936]  ? print_usage_bug+0xc0/0xc0
[  822.562007]  ? mark_held_locks+0x130/0x130
[  822.566245]  ? mark_held_locks+0x130/0x130
[  822.570506]  ? check_preemption_disabled+0x48/0x280
[  822.575535]  ? zap_class+0x640/0x640
[  822.579260]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  822.584020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.589555]  ? check_preemption_disabled+0x48/0x280
[  822.594581]  ? __lock_is_held+0xb5/0x140
[  822.598664]  __alloc_pages_nodemask+0xa80/0xde0
[  822.603330]  ? zap_class+0x640/0x640
[  822.607059]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  822.612101]  ? find_held_lock+0x36/0x1c0
[  822.616178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  822.620852]  ? lock_downgrade+0x900/0x900
[  822.625047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.630590]  cache_grow_begin+0xa5/0x8c0
[  822.634661]  ? do_raw_spin_unlock+0xa7/0x330
[  822.639077]  fallback_alloc+0x204/0x2e0
[  822.643058]  ____cache_alloc_node+0x1c7/0x1e0
[  822.647566]  kmem_cache_alloc_node+0xe3/0x730
[  822.652104]  ? lockdep_hardirqs_on+0x296/0x5b0
[  822.656709]  __alloc_skb+0x119/0x770
[  822.660437]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  822.665809]  ? netdev_alloc_frag+0x1f0/0x1f0
[  822.670240]  ? vprintk_default+0x28/0x30
[  822.674303]  ? vprintk_func+0x85/0x181
[  822.678192]  ? printk+0xa7/0xcf
[  822.681477]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  822.686261]  new_skb+0x26/0x1c0
[  822.689539]  aoecmd_cfg+0x279/0x7f0
[  822.693171]  ? find_held_lock+0x36/0x1c0
[  822.697238]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  822.701562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.707109]  ? __lock_is_held+0xb5/0x140
[  822.711182]  discover_timer+0x50/0x60
[  822.714987]  call_timer_fn+0x272/0x920
[  822.718877]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  822.724196]  ? process_timeout+0x40/0x40
[  822.728268]  ? mark_held_locks+0xc7/0x130
[  822.732446]  ? _raw_spin_unlock_irq+0x27/0x80
[  822.736942]  ? _raw_spin_unlock_irq+0x27/0x80
[  822.741437]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  822.746282]  ? lockdep_hardirqs_on+0x296/0x5b0
[  822.750898]  ? trace_hardirqs_on+0xbd/0x310
[  822.755216]  ? kasan_check_read+0x11/0x20
[  822.759357]  ? __run_timers+0x7da/0xc70
[  822.763348]  ? trace_hardirqs_off_caller+0x310/0x310
[  822.768465]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  822.773305]  __run_timers+0x7e5/0xc70
[  822.777127]  ? timer_fixup_init+0x70/0x70
[  822.781282]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  822.786305]  ? zap_class+0x640/0x640
[  822.790023]  ? print_usage_bug+0xc0/0xc0
[  822.794089]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  822.799292]  ? find_held_lock+0x36/0x1c0
[  822.803358]  ? zap_class+0x640/0x640
[  822.807076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.812616]  ? check_preemption_disabled+0x48/0x280
[  822.817645]  ? __lock_is_held+0xb5/0x140
[  822.821710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.827268]  ? check_preemption_disabled+0x48/0x280
[  822.832461]  run_timer_softirq+0x52/0xb0
[  822.836539]  ? rcu_read_lock_sched_held+0x14f/0x180
[  822.841591]  __do_softirq+0x308/0xb7e
[  822.845415]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  822.849928]  ? lock_downgrade+0x900/0x900
[  822.854084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  822.859197]  ? pvclock_read_flags+0x160/0x160
[  822.863694]  ? lapic_next_event+0x5a/0x90
[  822.867861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.873422]  ? kvm_clock_read+0x18/0x30
[  822.877412]  ? kvm_sched_clock_read+0x9/0x20
[  822.881826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.887364]  ? check_preemption_disabled+0x48/0x280
[  822.892415]  irq_exit+0x17f/0x1c0
[  822.895874]  smp_apic_timer_interrupt+0x1cb/0x760
[  822.900733]  ? smp_reschedule_interrupt+0x109/0x650
[  822.905764]  ? smp_call_function_single_interrupt+0x650/0x650
[  822.911650]  ? interrupt_entry+0xb5/0xc0
[  822.915744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  822.920770]  ? trace_hardirqs_off_caller+0xbb/0x310
[  822.925788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.930639]  ? trace_hardirqs_on_caller+0x310/0x310
[  822.935658]  ? trace_hardirqs_on_caller+0x310/0x310
[  822.940690]  ? task_prio+0x50/0x50
[  822.944230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.949781]  ? check_preemption_disabled+0x48/0x280
[  822.954801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.959656]  apic_timer_interrupt+0xf/0x20
[  822.963882]  </IRQ>
[  822.966115] RIP: 0010:dump_stack+0x358/0x39d
[  822.970537] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  822.989454] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  822.997156] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  823.004430] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  823.011695] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  823.018964] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  823.026234] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  823.033519]  ? dump_stack+0x34f/0x39d
[  823.037329]  ? dump_stack_print_info.cold.1+0x20/0x20
[  823.042522]  ? mark_held_locks+0x130/0x130
[  823.046751]  ? mark_held_locks+0x130/0x130
[  823.050996]  dump_header+0x27b/0xf72
[  823.054725]  ? pagefault_out_of_memory+0x197/0x197
[  823.059665]  ? __lock_acquire+0x62f/0x4c20
[  823.063905]  ? percpu_ref_get_many+0x240/0x240
[  823.068490]  ? print_usage_bug+0xc0/0xc0
[  823.072558]  ? zap_class+0x640/0x640
[  823.076279]  ? print_usage_bug+0xc0/0xc0
[  823.080337]  ? print_usage_bug+0xc0/0xc0
[  823.084416]  ? zap_class+0x640/0x640
[  823.088146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.093706]  ? find_held_lock+0x36/0x1c0
[  823.097780]  ? mark_held_locks+0xc7/0x130
[  823.101930]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  823.107049]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  823.112155]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  823.116740]  ? trace_hardirqs_on+0xbd/0x310
[  823.121061]  ? kasan_check_read+0x11/0x20
[  823.125211]  ? ___ratelimit+0x3b4/0x672
[  823.129187]  ? trace_hardirqs_off_caller+0x310/0x310
[  823.134293]  ? trace_hardirqs_on+0x310/0x310
[  823.138708]  ? lock_downgrade+0x900/0x900
[  823.142863]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  823.147971]  ? ___ratelimit+0x3b9/0x672
[  823.151951]  ? idr_get_free+0xf80/0xf80
[  823.155925]  ? find_held_lock+0x36/0x1c0
[  823.159998]  oom_kill_process.cold.27+0x10/0x903
[  823.164771]  ? zap_class+0x640/0x640
[  823.168495]  ? check_preemption_disabled+0x48/0x280
[  823.173535]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  823.178467]  ? kasan_check_read+0x11/0x20
[  823.182615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.187909]  ? oom_evaluate_task+0x540/0x540
[  823.192322]  ? find_held_lock+0x36/0x1c0
[  823.196406]  ? out_of_memory+0x974/0x1430
[  823.200580]  ? lock_downgrade+0x900/0x900
[  823.204739]  ? check_preemption_disabled+0x48/0x280
[  823.209772]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  823.214713]  ? kasan_check_read+0x11/0x20
[  823.218860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.224138]  ? rcu_softirq_qs+0x20/0x20
[  823.228131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.233666]  ? oom_evaluate_task+0x302/0x540
[  823.238085]  out_of_memory+0xa84/0x1430
[  823.242099]  ? oom_killer_disable+0x3a0/0x3a0
[  823.246600]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  823.251531]  ? __ww_mutex_check_waiters+0x160/0x160
[  823.256572]  __alloc_pages_slowpath+0x2354/0x2e10
[  823.261458]  ? warn_alloc+0x120/0x120
[  823.265268]  ? mark_held_locks+0x130/0x130
[  823.269523]  ? find_get_entry+0xaae/0x1120
[  823.273792]  ? filemap_map_pages+0x1a20/0x1a20
[  823.278379]  ? zap_class+0x640/0x640
[  823.282133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.287684]  ? check_preemption_disabled+0x48/0x280
[  823.292703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.298243]  ? should_fail+0x22d/0xd01
[  823.302136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  823.307239]  ? zap_class+0x640/0x640
[  823.310979]  ? __lock_is_held+0xb5/0x140
[  823.315051]  ? mark_held_locks+0x130/0x130
[  823.319290]  ? lock_release+0xa00/0xa00
[  823.323275]  ? perf_trace_sched_process_exec+0x860/0x860
[  823.328732]  ? xa_load+0x2ba/0x460
[  823.332291]  ? lock_downgrade+0x900/0x900
[  823.336455]  ? __might_sleep+0x95/0x190
[  823.340443]  __alloc_pages_nodemask+0xa80/0xde0
[  823.345122]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  823.350154]  ? __page_cache_alloc+0x191/0x5c0
[  823.354645]  ? xa_load+0x2e1/0x460
[  823.358215]  ? xa_clear_mark+0x40/0x40
[  823.362105]  ? zap_class+0x640/0x640
[  823.365830]  ? zap_class+0x640/0x640
[  823.369565]  ? zap_class+0x640/0x640
[  823.373277]  ? __do_page_cache_readahead+0x663/0x810
[  823.378391]  ? find_held_lock+0x36/0x1c0
[  823.382478]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  823.388026]  alloc_pages_current+0x173/0x350
[  823.392446]  __page_cache_alloc+0x38c/0x5c0
[  823.396766]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  823.401699]  ? kasan_check_read+0x11/0x20
[  823.405844]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.411125]  ? generic_perform_write+0x6a0/0x6a0
[  823.415898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.421437]  ? check_preemption_disabled+0x48/0x280
[  823.426463]  filemap_fault+0x1595/0x25f0
[  823.430564]  ? __lock_page_or_retry+0xa00/0xa00
[  823.435234]  ? mark_held_locks+0x130/0x130
[  823.439496]  ? filemap_map_pages+0xd6b/0x1a20
[  823.444011]  ? lock_downgrade+0x900/0x900
[  823.448167]  ? check_preemption_disabled+0x48/0x280
[  823.453189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  823.458153]  ? kasan_check_read+0x11/0x20
[  823.462306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.467583]  ? rcu_softirq_qs+0x20/0x20
[  823.471573]  ? filemap_map_pages+0xd92/0x1a20
[  823.476087]  ? find_get_entries_tag+0x1400/0x1400
[  823.480932]  ? debug_object_destroy+0x2b0/0x2b0
[  823.485621]  ? lock_pi_update_atomic+0x150/0x150
[  823.490378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.495940]  ? lock_acquire+0x1ed/0x520
[  823.499914]  ? ext4_filemap_fault+0x7a/0xad
[  823.504247]  ? lock_release+0xa00/0xa00
[  823.508222]  ? perf_trace_sched_process_exec+0x860/0x860
[  823.513672]  ? print_usage_bug+0xc0/0xc0
[  823.517750]  ? print_usage_bug+0xc0/0xc0
[  823.521839]  ? down_read+0x8d/0x120
[  823.525464]  ? ext4_filemap_fault+0x7a/0xad
[  823.529788]  ? __down_interruptible+0x700/0x700
[  823.534478]  ext4_filemap_fault+0x82/0xad
[  823.538644]  __do_fault+0x100/0x6b0
[  823.542268]  ? find_held_lock+0x36/0x1c0
[  823.546333]  ? pmd_devmap_trans_unstable+0x220/0x220
[  823.551466]  ? mark_held_locks+0x130/0x130
[  823.555710]  ? mark_held_locks+0x130/0x130
[  823.559947]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.564448]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.568950]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  823.573536]  ? kasan_check_read+0x11/0x20
[  823.577684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.583248]  __handle_mm_fault+0x3ea6/0x5be0
[  823.587666]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  823.592513]  ? finish_task_switch+0x1f4/0x910
[  823.597007]  ? finish_task_switch+0x1b4/0x910
[  823.601532]  ? __switch_to_asm+0x34/0x70
[  823.605613]  ? preempt_notifier_register+0x200/0x200
[  823.610727]  ? __switch_to_asm+0x34/0x70
[  823.614786]  ? __switch_to_asm+0x34/0x70
[  823.618866]  ? zap_class+0x640/0x640
[  823.622580]  ? zap_class+0x640/0x640
[  823.626301]  ? __x64_sys_futex+0x53e/0x6a0
[  823.630546]  ? find_held_lock+0x36/0x1c0
[  823.634619]  ? handle_mm_fault+0x42a/0xc70
[  823.638854]  ? lock_downgrade+0x900/0x900
[  823.643001]  ? check_preemption_disabled+0x48/0x280
[  823.648021]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  823.652958]  ? kasan_check_read+0x11/0x20
[  823.657107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.662387]  ? rcu_softirq_qs+0x20/0x20
[  823.666417]  ? trace_hardirqs_off_caller+0x310/0x310
[  823.671528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.677065]  ? check_preemption_disabled+0x48/0x280
[  823.682089]  handle_mm_fault+0x54f/0xc70
[  823.686167]  ? __handle_mm_fault+0x5be0/0x5be0
[  823.690755]  ? find_vma+0x34/0x190
[  823.694301]  __do_page_fault+0x5e8/0xe60
[  823.698370]  ? trace_hardirqs_off+0xb8/0x310
[  823.702800]  do_page_fault+0xf2/0x7e0
[  823.706602]  ? vmalloc_sync_all+0x30/0x30
[  823.710767]  ? error_entry+0x70/0xd0
[  823.714496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  823.719511]  ? trace_hardirqs_on_caller+0xc0/0x310
[  823.724445]  ? syscall_return_slowpath+0x5e0/0x5e0
[  823.729375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  823.734233]  ? trace_hardirqs_on_caller+0x310/0x310
[  823.739260]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  823.744714]  ? prepare_exit_to_usermode+0x291/0x3b0
[  823.749732]  ? page_fault+0x8/0x30
[  823.753275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  823.758133]  ? page_fault+0x8/0x30
[  823.761676]  page_fault+0x1e/0x30
[  823.765129] RIP: 0033:0x45ddf3
[  823.768333] Code: Bad RIP value.
[  823.771690] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  823.777054] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  823.784426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  823.791693] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  823.798959] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  823.806229] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  823.813512] warn_alloc_show_mem: 1 callbacks suppressed
[  823.813535] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  823.813549] Mem-Info:
[  823.813580] active_anon:53034 inactive_anon:131 isolated_anon:0
[  823.813580]  active_file:14 inactive_file:14 isolated_file:0
[  823.813580]  unevictable:0 dirty:0 writeback:0 unstable:0
[  823.813580]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  823.813580]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  823.813580]  free:13749 free_pcp:564 free_cma:0
[  823.818931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  823.825948] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  823.828524] Call Trace:
[  823.861478] 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
[  823.870828]  <IRQ>
[  823.898216] lowmem_reserve[]: 0 2818 6321 6321
[  823.900811]  dump_stack+0x244/0x39d
[  823.926897] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  823.929055]  ? dump_stack_print_info.cold.1+0x20/0x20
[  823.933615] lowmem_reserve[]: 0 0 3503 3503
[  823.937254]  warn_alloc.cold.116+0xb7/0x1bd
[  823.964721] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  823.969916]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  823.974208] lowmem_reserve[]: 0 0 0 0
[  823.978532]  ? lock_downgrade+0x900/0x900
[  824.007569] 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
[  824.012425]  ? trace_hardirqs_off+0xb8/0x310
[  824.016202] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  824.020351]  ? trace_hardirqs_off+0xb8/0x310
[  824.033855] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  824.038278]  __alloc_pages_slowpath+0x26e8/0x2e10
[  824.053448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  824.057884]  ? warn_alloc+0x120/0x120
[  824.073276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  824.078112]  ? print_usage_bug+0xc0/0xc0
[  824.086929] 166 total pagecache pages
[  824.090723]  ? warn_alloc+0x120/0x120
[  824.099282] 0 pages in swap cache
[  824.103347]  ? warn_alloc+0x120/0x120
[  824.107127] Swap cache stats: add 0, delete 0, find 0/0
[  824.110922]  ? print_usage_bug+0xc0/0xc0
[  824.114350] Free swap  = 0kB
[  824.118146]  ? kvm_clock_read+0x18/0x30
[  824.123495] Total swap = 0kB
[  824.123505] 1965979 pages RAM
[  824.127562]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  824.130548] 0 pages HighMem/MovableOnly
[  824.130557] 342858 pages reserved
[  824.134526]  ? print_usage_bug+0xc0/0xc0
[  824.137525] 0 pages cma reserved
[  824.140625]  ? __lock_acquire+0x62f/0x4c20
[  824.145681] aoe: skb alloc failure
[  824.149590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  824.149605]  ? should_fail+0x22d/0xd01
[  824.149623]  ? __lock_acquire+0x62f/0x4c20
[  824.153087] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  824.157114]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  824.160475] syz-fuzzer cpuset=/ mems_allowed=0
[  824.164723]  ? __lock_acquire+0x62f/0x4c20
[  824.205980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  824.211082]  ? __lock_acquire+0x62f/0x4c20
[  824.215329]  ? should_fail+0x22d/0xd01
[  824.219233]  ? mark_held_locks+0x130/0x130
[  824.223472]  ? mark_held_locks+0x130/0x130
[  824.227711]  ? mark_held_locks+0xc7/0x130
[  824.231863]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  824.236906]  ? zap_class+0x640/0x640
[  824.240639]  ? print_usage_bug+0xc0/0xc0
[  824.244707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.250250]  ? check_preemption_disabled+0x48/0x280
[  824.255293]  ? __lock_is_held+0xb5/0x140
[  824.259360]  __alloc_pages_nodemask+0xa80/0xde0
[  824.264032]  ? zap_class+0x640/0x640
[  824.267754]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  824.272782]  ? find_held_lock+0x36/0x1c0
[  824.276881]  ? ____cache_alloc_node+0x1c7/0x1e0
[  824.281582]  ? lock_downgrade+0x900/0x900
[  824.285756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.291314]  cache_grow_begin+0xa5/0x8c0
[  824.295377]  ? do_raw_spin_unlock+0xa7/0x330
[  824.299813]  fallback_alloc+0x204/0x2e0
[  824.303796]  ____cache_alloc_node+0x1c7/0x1e0
[  824.308313]  kmem_cache_alloc_node+0xe3/0x730
[  824.312806]  ? ipv6_get_ifaddr+0x42e/0x620
[  824.317053]  __alloc_skb+0x119/0x770
[  824.320767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  824.326048]  ? netdev_alloc_frag+0x1f0/0x1f0
[  824.330458]  ? lock_downgrade+0x900/0x900
[  824.334617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.340157]  ? refcount_sub_and_test_checked+0x203/0x310
[  824.345613]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  824.351068]  ? addrconf_rs_timer+0x690/0x690
[  824.355490]  ndisc_alloc_skb+0x144/0x340
[  824.359557]  ndisc_send_rs+0x331/0x6e0
[  824.363451]  addrconf_rs_timer+0x314/0x690
[  824.367688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  824.371935]  call_timer_fn+0x272/0x920
[  824.375818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  824.380051]  ? process_timeout+0x40/0x40
[  824.384118]  ? __run_timers+0x7da/0xc70
[  824.388106]  ? _raw_spin_unlock_irq+0x27/0x80
[  824.392612]  ? _raw_spin_unlock_irq+0x27/0x80
[  824.397121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  824.401357]  ? lockdep_hardirqs_on+0x296/0x5b0
[  824.405945]  ? trace_hardirqs_on+0xbd/0x310
[  824.410267]  ? kasan_check_read+0x11/0x20
[  824.414431]  ? __run_timers+0x7da/0xc70
[  824.418427]  ? trace_hardirqs_off_caller+0x310/0x310
[  824.423545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  824.427779]  __run_timers+0x7e5/0xc70
[  824.431591]  ? timer_fixup_init+0x70/0x70
[  824.435758]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  824.440774]  ? zap_class+0x640/0x640
[  824.444490]  ? enqueue_hrtimer+0x1a5/0x560
[  824.448742]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  824.453940]  ? find_held_lock+0x36/0x1c0
[  824.458021]  ? zap_class+0x640/0x640
[  824.461753]  ? pvclock_read_flags+0x160/0x160
[  824.466269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.471809]  ? check_preemption_disabled+0x48/0x280
[  824.476835]  ? __lock_is_held+0xb5/0x140
[  824.480902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.486450]  ? check_preemption_disabled+0x48/0x280
[  824.491474]  run_timer_softirq+0x52/0xb0
[  824.495542]  ? rcu_read_lock_sched_held+0x14f/0x180
[  824.500559]  __do_softirq+0x308/0xb7e
[  824.504368]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  824.508889]  ? lock_downgrade+0x900/0x900
[  824.513044]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  824.518164]  ? pvclock_read_flags+0x160/0x160
[  824.522670]  ? lapic_next_event+0x5a/0x90
[  824.526826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.532374]  ? kvm_clock_read+0x18/0x30
[  824.536359]  ? kvm_sched_clock_read+0x9/0x20
[  824.540776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.546317]  ? check_preemption_disabled+0x48/0x280
[  824.551346]  irq_exit+0x17f/0x1c0
[  824.554808]  smp_apic_timer_interrupt+0x1cb/0x760
[  824.559651]  ? smp_reschedule_interrupt+0x109/0x650
[  824.564672]  ? smp_call_function_single_interrupt+0x650/0x650
[  824.570559]  ? interrupt_entry+0xb5/0xc0
[  824.574625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  824.579644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  824.584661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  824.589507]  ? trace_hardirqs_on_caller+0x310/0x310
[  824.594526]  ? trace_hardirqs_on_caller+0x310/0x310
[  824.599544]  ? task_prio+0x50/0x50
[  824.603090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.608628]  ? check_preemption_disabled+0x48/0x280
[  824.613651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  824.618506]  apic_timer_interrupt+0xf/0x20
[  824.622733]  </IRQ>
[  824.624977] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  824.630865] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  824.649776] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  824.657506] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  824.664772] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  824.672055] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  824.679322] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  824.686594] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  824.693893]  ? save_stack+0xa9/0xd0
[  824.697541]  __kmalloc_node_track_caller+0x3c/0x70
[  824.702478]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  824.707244]  pskb_expand_head+0x230/0x10f0
[  824.711481]  ? check_preemption_disabled+0x48/0x280
[  824.716501]  ? memcpy+0x45/0x50
[  824.719798]  ? __copy_skb_header+0x350/0x6b0
[  824.724368]  ? skb_release_data+0x880/0x880
[  824.728698]  ? __alloc_skb+0x770/0x770
[  824.732599]  ? __lock_is_held+0xb5/0x140
[  824.736708]  ? kasan_check_write+0x14/0x20
[  824.740965]  ? __skb_clone+0x6c7/0xa00
[  824.744857]  ? __copy_skb_header+0x6b0/0x6b0
[  824.749262]  ? kmem_cache_alloc+0x33a/0x730
[  824.753612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.759156]  skb_ensure_writable+0x3dd/0x640
[  824.763568]  ? skb_checksum_setup+0xaa0/0xaa0
[  824.768064]  ? preempt_notifier_register+0x200/0x200
[  824.773165]  ? __switch_to_asm+0x34/0x70
[  824.777225]  ? __switch_to_asm+0x34/0x70
[  824.781286]  ? __switch_to_asm+0x40/0x70
[  824.785348]  ? __switch_to_asm+0x34/0x70
[  824.789417]  ? __switch_to_asm+0x40/0x70
[  824.793484]  ? __switch_to_asm+0x40/0x70
[  824.797546]  ? __switch_to_asm+0x34/0x70
[  824.801622]  ? __switch_to_asm+0x34/0x70
[  824.805704]  ? __switch_to_asm+0x40/0x70
[  824.809765]  ? __switch_to_asm+0x34/0x70
[  824.813837]  bpf_clone_redirect+0x14a/0x490
[  824.818180]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  824.823206]  ? __sched_text_start+0x8/0x8
[  824.827374]  ? retint_kernel+0x2d/0x2d
[  824.831816]  ? find_held_lock+0x36/0x1c0
[  824.835885]  ? lock_acquire+0x1ed/0x520
[  824.839862]  ? bpf_test_run+0x3cb/0x780
[  824.843842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.849379]  ? check_preemption_disabled+0x48/0x280
[  824.854422]  ? kasan_check_read+0x11/0x20
[  824.858583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  824.863858]  ? rcu_softirq_qs+0x20/0x20
[  824.867830]  ? preempt_schedule+0x4d/0x60
[  824.871982]  ? ___preempt_schedule+0x16/0x18
[  824.876405]  ? bpf_test_run+0x25d/0x780
[  824.880391]  ? netlink_diag_dump+0x2a0/0x2a0
[  824.884813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  824.890364]  ? bpf_test_init.isra.10+0x70/0x100
[  824.895044]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  824.899815]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  824.904657]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  824.910199]  ? fput+0x130/0x1a0
[  824.913496]  ? __bpf_prog_get+0x9b/0x290
[  824.917564]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  824.922411]  ? bpf_prog_test_run+0x130/0x1a0
[  824.926824]  ? __x64_sys_bpf+0x3d8/0x520
[  824.930888]  ? bpf_prog_get+0x20/0x20
[  824.934717]  ? do_syscall_64+0x1b9/0x820
[  824.938782]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  824.944158]  ? syscall_return_slowpath+0x5e0/0x5e0
[  824.949090]  ? trace_hardirqs_on_caller+0x310/0x310
[  824.954115]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  824.959137]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  824.965815]  ? __switch_to_asm+0x40/0x70
[  824.969875]  ? __switch_to_asm+0x34/0x70
[  824.973949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  824.978805]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  824.984197] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  824.984270] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  824.990873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  824.990878] Call Trace:
[  824.990884]  <IRQ>
[  824.990899]  dump_stack+0x244/0x39d
[  824.990916]  ? dump_stack_print_info.cold.1+0x20/0x20
[  824.990943]  warn_alloc.cold.116+0xb7/0x1bd
[  824.997523] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  825.006796]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  825.009365] syz-executor0 cpuset=syz0 mems_allowed=0
[  825.011510]  ? lock_downgrade+0x900/0x900
[  825.049123]  ? trace_hardirqs_off+0xb8/0x310
[  825.053565]  ? trace_hardirqs_off+0xb8/0x310
[  825.057983]  __alloc_pages_slowpath+0x26e8/0x2e10
[  825.062860]  ? warn_alloc+0x120/0x120
[  825.066667]  ? warn_alloc+0x120/0x120
[  825.070474]  ? __lock_acquire+0x62f/0x4c20
[  825.074715]  ? warn_alloc+0x120/0x120
[  825.078520]  ? print_usage_bug+0xc0/0xc0
[  825.082582]  ? print_usage_bug+0xc0/0xc0
[  825.086646]  ? mark_held_locks+0x130/0x130
[  825.090887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.096475]  ? should_fail+0x22d/0xd01
[  825.100385]  ? zap_class+0x640/0x640
[  825.104120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.109229]  ? __lock_acquire+0x62f/0x4c20
[  825.113474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.118575]  ? should_fail+0x22d/0xd01
[  825.122474]  ? mark_held_locks+0x130/0x130
[  825.126717]  ? mark_held_locks+0x130/0x130
[  825.130953]  ? lock_downgrade+0x900/0x900
[  825.135112]  ? zap_class+0x640/0x640
[  825.138828]  ? zap_class+0x640/0x640
[  825.142549]  ? zap_class+0x640/0x640
[  825.146272]  ? do_raw_spin_unlock+0xa7/0x330
[  825.150679]  ? trace_hardirqs_on+0x310/0x310
[  825.155087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.160643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.166211]  ? check_preemption_disabled+0x48/0x280
[  825.171242]  ? __lock_is_held+0xb5/0x140
[  825.175320]  __alloc_pages_nodemask+0xa80/0xde0
[  825.179989]  ? zap_class+0x640/0x640
[  825.183712]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  825.188741]  ? find_held_lock+0x36/0x1c0
[  825.192816]  ? ____cache_alloc_node+0x1c7/0x1e0
[  825.197488]  ? lock_downgrade+0x900/0x900
[  825.201650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.207205]  cache_grow_begin+0xa5/0x8c0
[  825.211266]  ? do_raw_spin_unlock+0xa7/0x330
[  825.215688]  fallback_alloc+0x204/0x2e0
[  825.219686]  ____cache_alloc_node+0x1c7/0x1e0
[  825.224205]  kmem_cache_alloc_node+0xe3/0x730
[  825.228700]  ? lockdep_hardirqs_on+0x296/0x5b0
[  825.233290]  __alloc_skb+0x119/0x770
[  825.237001]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  825.242381]  ? netdev_alloc_frag+0x1f0/0x1f0
[  825.246824]  ? vprintk_default+0x28/0x30
[  825.250883]  ? vprintk_func+0x85/0x181
[  825.254776]  ? printk+0xa7/0xcf
[  825.258068]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  825.262834]  new_skb+0x26/0x1c0
[  825.266115]  aoecmd_cfg+0x279/0x7f0
[  825.269746]  ? find_held_lock+0x36/0x1c0
[  825.273821]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  825.278164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.283713]  ? __lock_is_held+0xb5/0x140
[  825.287802]  discover_timer+0x50/0x60
[  825.291603]  call_timer_fn+0x272/0x920
[  825.295494]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  825.300338]  ? process_timeout+0x40/0x40
[  825.304427]  ? mark_held_locks+0xc7/0x130
[  825.308585]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.313086]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.317593]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  825.322446]  ? lockdep_hardirqs_on+0x296/0x5b0
[  825.327029]  ? trace_hardirqs_on+0xbd/0x310
[  825.331362]  ? kasan_check_read+0x11/0x20
[  825.335517]  ? __run_timers+0x7da/0xc70
[  825.339498]  ? trace_hardirqs_off_caller+0x310/0x310
[  825.344619]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  825.349462]  __run_timers+0x7e5/0xc70
[  825.353284]  ? timer_fixup_init+0x70/0x70
[  825.357443]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  825.362459]  ? zap_class+0x640/0x640
[  825.366194]  ? print_usage_bug+0xc0/0xc0
[  825.370258]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  825.375471]  ? find_held_lock+0x36/0x1c0
[  825.379543]  ? zap_class+0x640/0x640
[  825.383261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.388800]  ? check_preemption_disabled+0x48/0x280
[  825.393828]  ? __lock_is_held+0xb5/0x140
[  825.397891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.403439]  ? check_preemption_disabled+0x48/0x280
[  825.408474]  run_timer_softirq+0x52/0xb0
[  825.412559]  ? rcu_read_lock_sched_held+0x14f/0x180
[  825.417573]  __do_softirq+0x308/0xb7e
[  825.421376]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  825.425885]  ? lock_downgrade+0x900/0x900
[  825.430035]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  825.435149]  ? pvclock_read_flags+0x160/0x160
[  825.439649]  ? lapic_next_event+0x5a/0x90
[  825.443799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.449358]  ? kvm_clock_read+0x18/0x30
[  825.453334]  ? kvm_sched_clock_read+0x9/0x20
[  825.457745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.463289]  ? check_preemption_disabled+0x48/0x280
[  825.468327]  irq_exit+0x17f/0x1c0
[  825.471787]  smp_apic_timer_interrupt+0x1cb/0x760
[  825.476626]  ? smp_reschedule_interrupt+0x109/0x650
[  825.481653]  ? smp_call_function_single_interrupt+0x650/0x650
[  825.487535]  ? interrupt_entry+0xb5/0xc0
[  825.491591]  ? trace_hardirqs_off_caller+0xbb/0x310
[  825.496603]  ? trace_hardirqs_off_caller+0xbb/0x310
[  825.501619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  825.506459]  ? trace_hardirqs_on_caller+0x310/0x310
[  825.511475]  ? trace_hardirqs_on_caller+0x310/0x310
[  825.516490]  ? task_prio+0x50/0x50
[  825.520029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.525562]  ? check_preemption_disabled+0x48/0x280
[  825.530583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  825.535440]  apic_timer_interrupt+0xf/0x20
[  825.539664]  </IRQ>
[  825.541896] RIP: 0010:dump_stack+0x358/0x39d
[  825.546306] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  825.565202] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  825.572906] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  825.580182] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  825.587447] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  825.594709] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  825.601974] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  825.609266]  ? dump_stack+0x34f/0x39d
[  825.613078]  ? dump_stack_print_info.cold.1+0x20/0x20
[  825.618273]  ? mark_held_locks+0x130/0x130
[  825.622511]  ? mark_held_locks+0x130/0x130
[  825.626752]  dump_header+0x27b/0xf72
[  825.630479]  ? pagefault_out_of_memory+0x197/0x197
[  825.635439]  ? __lock_acquire+0x62f/0x4c20
[  825.639673]  ? percpu_ref_get_many+0x240/0x240
[  825.644257]  ? print_usage_bug+0xc0/0xc0
[  825.648323]  ? zap_class+0x640/0x640
[  825.652044]  ? print_usage_bug+0xc0/0xc0
[  825.656107]  ? print_usage_bug+0xc0/0xc0
[  825.660197]  ? zap_class+0x640/0x640
[  825.663916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.669457]  ? find_held_lock+0x36/0x1c0
[  825.673554]  ? mark_held_locks+0xc7/0x130
[  825.677710]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  825.682818]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  825.687921]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  825.692509]  ? trace_hardirqs_on+0xbd/0x310
[  825.696835]  ? kasan_check_read+0x11/0x20
[  825.700983]  ? ___ratelimit+0x3b4/0x672
[  825.704962]  ? trace_hardirqs_off_caller+0x310/0x310
[  825.710071]  ? trace_hardirqs_on+0x310/0x310
[  825.714488]  ? lock_downgrade+0x900/0x900
[  825.718646]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  825.723752]  ? ___ratelimit+0x3b9/0x672
[  825.727731]  ? idr_get_free+0xf80/0xf80
[  825.731721]  ? find_held_lock+0x36/0x1c0
[  825.735789]  oom_kill_process.cold.27+0x10/0x903
[  825.740546]  ? zap_class+0x640/0x640
[  825.744257]  ? check_preemption_disabled+0x48/0x280
[  825.749278]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  825.754205]  ? kasan_check_read+0x11/0x20
[  825.758349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  825.763628]  ? oom_evaluate_task+0x540/0x540
[  825.768041]  ? find_held_lock+0x36/0x1c0
[  825.772151]  ? out_of_memory+0x974/0x1430
[  825.776320]  ? lock_downgrade+0x900/0x900
[  825.780478]  ? check_preemption_disabled+0x48/0x280
[  825.785509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  825.790452]  ? kasan_check_read+0x11/0x20
[  825.794600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  825.799920]  ? rcu_softirq_qs+0x20/0x20
[  825.803899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.809443]  ? oom_evaluate_task+0x302/0x540
[  825.813857]  out_of_memory+0xa84/0x1430
[  825.817842]  ? oom_killer_disable+0x3a0/0x3a0
[  825.822355]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  825.827297]  ? __ww_mutex_check_waiters+0x160/0x160
[  825.832326]  __alloc_pages_slowpath+0x2354/0x2e10
[  825.837211]  ? warn_alloc+0x120/0x120
[  825.841012]  ? mark_held_locks+0x130/0x130
[  825.845250]  ? find_get_entry+0xaae/0x1120
[  825.849499]  ? filemap_map_pages+0x1a20/0x1a20
[  825.854102]  ? zap_class+0x640/0x640
[  825.857825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.863370]  ? check_preemption_disabled+0x48/0x280
[  825.868412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.873956]  ? should_fail+0x22d/0xd01
[  825.877846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.882975]  ? zap_class+0x640/0x640
[  825.886719]  ? __lock_is_held+0xb5/0x140
[  825.890807]  ? mark_held_locks+0x130/0x130
[  825.895049]  ? lock_release+0xa00/0xa00
[  825.899036]  ? perf_trace_sched_process_exec+0x860/0x860
[  825.904486]  ? xa_load+0x2ba/0x460
[  825.908030]  ? lock_downgrade+0x900/0x900
[  825.912184]  ? __might_sleep+0x95/0x190
[  825.916174]  __alloc_pages_nodemask+0xa80/0xde0
[  825.920852]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  825.925872]  ? __page_cache_alloc+0x191/0x5c0
[  825.930366]  ? xa_load+0x2e1/0x460
[  825.933912]  ? xa_clear_mark+0x40/0x40
[  825.937803]  ? zap_class+0x640/0x640
[  825.941527]  ? zap_class+0x640/0x640
[  825.945241]  ? zap_class+0x640/0x640
[  825.948955]  ? __do_page_cache_readahead+0x663/0x810
[  825.954068]  ? find_held_lock+0x36/0x1c0
[  825.958137]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  825.963687]  alloc_pages_current+0x173/0x350
[  825.968103]  __page_cache_alloc+0x38c/0x5c0
[  825.972436]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  825.977389]  ? kasan_check_read+0x11/0x20
[  825.981550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  825.986853]  ? generic_perform_write+0x6a0/0x6a0
[  825.991610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.997154]  ? check_preemption_disabled+0x48/0x280
[  826.002178]  filemap_fault+0x1595/0x25f0
[  826.006270]  ? __lock_page_or_retry+0xa00/0xa00
[  826.010950]  ? mark_held_locks+0x130/0x130
[  826.015199]  ? filemap_map_pages+0xd6b/0x1a20
[  826.019713]  ? lock_downgrade+0x900/0x900
[  826.023874]  ? check_preemption_disabled+0x48/0x280
[  826.028894]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  826.033849]  ? kasan_check_read+0x11/0x20
[  826.038012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.043289]  ? rcu_softirq_qs+0x20/0x20
[  826.047296]  ? filemap_map_pages+0xd92/0x1a20
[  826.051802]  ? find_get_entries_tag+0x1400/0x1400
[  826.056664]  ? debug_object_destroy+0x2b0/0x2b0
[  826.061376]  ? lock_pi_update_atomic+0x150/0x150
[  826.066141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.071718]  ? lock_acquire+0x1ed/0x520
[  826.075692]  ? ext4_filemap_fault+0x7a/0xad
[  826.080033]  ? lock_release+0xa00/0xa00
[  826.084010]  ? perf_trace_sched_process_exec+0x860/0x860
[  826.089464]  ? print_usage_bug+0xc0/0xc0
[  826.093527]  ? print_usage_bug+0xc0/0xc0
[  826.097611]  ? down_read+0x8d/0x120
[  826.101253]  ? ext4_filemap_fault+0x7a/0xad
[  826.105587]  ? __down_interruptible+0x700/0x700
[  826.110270]  ext4_filemap_fault+0x82/0xad
[  826.114435]  __do_fault+0x100/0x6b0
[  826.118062]  ? find_held_lock+0x36/0x1c0
[  826.122130]  ? pmd_devmap_trans_unstable+0x220/0x220
[  826.127236]  ? mark_held_locks+0x130/0x130
[  826.131474]  ? mark_held_locks+0x130/0x130
[  826.135710]  ? _raw_spin_unlock_irq+0x27/0x80
[  826.140207]  ? _raw_spin_unlock_irq+0x27/0x80
[  826.144710]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  826.149296]  ? kasan_check_read+0x11/0x20
[  826.153451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.158994]  __handle_mm_fault+0x3ea6/0x5be0
[  826.163426]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  826.168274]  ? finish_task_switch+0x1f4/0x910
[  826.172767]  ? finish_task_switch+0x1b4/0x910
[  826.177261]  ? __switch_to_asm+0x34/0x70
[  826.181326]  ? preempt_notifier_register+0x200/0x200
[  826.186436]  ? __switch_to_asm+0x34/0x70
[  826.190508]  ? __switch_to_asm+0x34/0x70
[  826.194596]  ? zap_class+0x640/0x640
[  826.198314]  ? zap_class+0x640/0x640
[  826.202029]  ? __x64_sys_futex+0x53e/0x6a0
[  826.206279]  ? find_held_lock+0x36/0x1c0
[  826.210353]  ? handle_mm_fault+0x42a/0xc70
[  826.214591]  ? lock_downgrade+0x900/0x900
[  826.218750]  ? check_preemption_disabled+0x48/0x280
[  826.223775]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  826.228707]  ? kasan_check_read+0x11/0x20
[  826.232869]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.238149]  ? rcu_softirq_qs+0x20/0x20
[  826.242126]  ? trace_hardirqs_off_caller+0x310/0x310
[  826.247229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.252783]  ? check_preemption_disabled+0x48/0x280
[  826.257816]  handle_mm_fault+0x54f/0xc70
[  826.261883]  ? __handle_mm_fault+0x5be0/0x5be0
[  826.266469]  ? find_vma+0x34/0x190
[  826.270015]  __do_page_fault+0x5e8/0xe60
[  826.274086]  ? trace_hardirqs_off+0xb8/0x310
[  826.278524]  do_page_fault+0xf2/0x7e0
[  826.282336]  ? vmalloc_sync_all+0x30/0x30
[  826.286487]  ? error_entry+0x70/0xd0
[  826.290231]  ? trace_hardirqs_off_caller+0xbb/0x310
[  826.295251]  ? trace_hardirqs_on_caller+0xc0/0x310
[  826.300184]  ? syscall_return_slowpath+0x5e0/0x5e0
[  826.305127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  826.309972]  ? trace_hardirqs_on_caller+0x310/0x310
[  826.314986]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  826.320459]  ? prepare_exit_to_usermode+0x291/0x3b0
[  826.325478]  ? page_fault+0x8/0x30
[  826.329021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  826.333872]  ? page_fault+0x8/0x30
[  826.337427]  page_fault+0x1e/0x30
[  826.340879] RIP: 0033:0x45ddf3
[  826.344084] Code: Bad RIP value.
[  826.347453] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  826.352826] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  826.360094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  826.367363] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  826.374640] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  826.381904] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  826.389208] warn_alloc_show_mem: 1 callbacks suppressed
[  826.389220] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  826.389222] Mem-Info:
[  826.389254] active_anon:53034 inactive_anon:131 isolated_anon:0
[  826.389254]  active_file:14 inactive_file:14 isolated_file:0
[  826.389254]  unevictable:0 dirty:0 writeback:0 unstable:0
[  826.389254]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  826.389254]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  826.389254]  free:13749 free_pcp:564 free_cma:0
[  826.394595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  826.394604] Call Trace:
[  826.401627] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  826.404032]  <IRQ>
[  826.436990] 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
[  826.446341]  dump_stack+0x244/0x39d
[  826.448901] lowmem_reserve[]: 0 2818 6321 6321
[  826.476327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  826.478456] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  826.504575]  warn_alloc.cold.116+0xb7/0x1bd
[  826.508173] lowmem_reserve[]: 0 0 3503 3503
[  826.512756]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  826.517942] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  826.545439]  ? lock_downgrade+0x900/0x900
[  826.549740] lowmem_reserve[]: 0 0 0 0
[  826.554065]  ? trace_hardirqs_off+0xb8/0x310
[  826.558884] 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
[  826.587948]  ? trace_hardirqs_off+0xb8/0x310
[  826.592072] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  826.595901]  __alloc_pages_slowpath+0x26e8/0x2e10
[  826.600283] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  826.613825]  ? warn_alloc+0x120/0x120
[  826.618193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  826.633353]  ? warn_alloc+0x120/0x120
[  826.638183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  826.653606]  ? do_raw_spin_unlock+0xa7/0x330
[  826.657388] 166 total pagecache pages
[  826.666225]  ? warn_alloc+0x120/0x120
[  826.670011] 0 pages in swap cache
[  826.678576]  ? print_usage_bug+0xc0/0xc0
[  826.682967] Swap cache stats: add 0, delete 0, find 0/0
[  826.686780]  ? print_usage_bug+0xc0/0xc0
[  826.690566] Free swap  = 0kB
[  826.694021]  ? check_preemption_disabled+0x48/0x280
[  826.698061] Total swap = 0kB
[  826.703436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.707473] 1965979 pages RAM
[  826.710487]  ? should_fail+0x22d/0xd01
[  826.715482] 0 pages HighMem/MovableOnly
[  826.718495]  ? __lock_is_held+0xb5/0x140
[  826.724445] 342858 pages reserved
[  826.724455] 0 pages cma reserved
[  826.727589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  826.731510] aoe: skb alloc failure
[  826.735431]  ? __lock_acquire+0x62f/0x4c20
[  826.739531] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  826.742927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  826.746265] syz-fuzzer cpuset=/ mems_allowed=0
[  826.751360]  ? __lock_acquire+0x62f/0x4c20
[  826.783203]  ? should_fail+0x22d/0xd01
[  826.787087]  ? enqueue_hrtimer+0x1a5/0x560
[  826.791332]  ? mark_held_locks+0x130/0x130
[  826.795591]  ? mark_held_locks+0x130/0x130
[  826.799836]  ? clockevents_program_event+0x158/0x370
[  826.804944]  ? zap_class+0x640/0x640
[  826.808661]  ? print_usage_bug+0xc0/0xc0
[  826.812723]  ? print_usage_bug+0xc0/0xc0
[  826.816803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.822343]  ? check_preemption_disabled+0x48/0x280
[  826.827371]  ? __lock_is_held+0xb5/0x140
[  826.831966]  __alloc_pages_nodemask+0xa80/0xde0
[  826.836649]  ? zap_class+0x640/0x640
[  826.840367]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  826.845411]  ? find_held_lock+0x36/0x1c0
[  826.849514]  ? ____cache_alloc_node+0x1c7/0x1e0
[  826.854190]  ? lock_downgrade+0x900/0x900
[  826.858364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.863923]  cache_grow_begin+0xa5/0x8c0
[  826.867985]  ? do_raw_spin_unlock+0xa7/0x330
[  826.872423]  fallback_alloc+0x204/0x2e0
[  826.876421]  ____cache_alloc_node+0x1c7/0x1e0
[  826.880934]  kmem_cache_alloc_node+0xe3/0x730
[  826.885447]  __alloc_skb+0x119/0x770
[  826.889172]  ? netdev_alloc_frag+0x1f0/0x1f0
[  826.893584]  ? check_preemption_disabled+0x48/0x280
[  826.898616]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  826.903549]  ? kasan_check_read+0x11/0x20
[  826.907696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.912978]  ? zap_class+0x640/0x640
[  826.916698]  ? print_usage_bug+0xc0/0xc0
[  826.920778]  arp_create+0x195/0x970
[  826.924432]  arp_send_dst.part.19+0xe6/0x3f0
[  826.928846]  ? arp_xmit+0x610/0x610
[  826.932474]  ? lockdep_hardirqs_on+0x296/0x5b0
[  826.937062]  ? trace_hardirqs_on+0xbd/0x310
[  826.941385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.946675]  ? neigh_probe+0xca/0x120
[  826.950482]  ? trace_hardirqs_off_caller+0x310/0x310
[  826.955598]  arp_solicit+0x806/0x14e0
[  826.959422]  ? arp_rcv+0xbd0/0xbd0
[  826.962983]  ? neigh_probe+0x6f/0x120
[  826.966791]  ? lock_downgrade+0x900/0x900
[  826.970945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.976506]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
[  826.981985]  ? refcount_add_not_zero_checked+0x330/0x330
[  826.987434]  ? do_raw_write_trylock+0x270/0x270
[  826.992103]  ? do_raw_read_unlock+0x70/0x70
[  826.996440]  ? arp_rcv+0xbd0/0xbd0
[  826.999986]  neigh_probe+0xca/0x120
[  827.003614]  neigh_timer_handler+0x694/0xdf0
[  827.008030]  ? neigh_periodic_work+0xc60/0xc60
[  827.012618]  ? __lock_is_held+0xb5/0x140
[  827.016696]  call_timer_fn+0x272/0x920
[  827.020590]  ? neigh_periodic_work+0xc60/0xc60
[  827.025172]  ? process_timeout+0x40/0x40
[  827.029246]  ? __run_timers+0x7da/0xc70
[  827.033227]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.037724]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.042218]  ? neigh_periodic_work+0xc60/0xc60
[  827.046796]  ? lockdep_hardirqs_on+0x296/0x5b0
[  827.051406]  ? trace_hardirqs_on+0xbd/0x310
[  827.055735]  ? kasan_check_read+0x11/0x20
[  827.059882]  ? __run_timers+0x7da/0xc70
[  827.063871]  ? trace_hardirqs_off_caller+0x310/0x310
[  827.068975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  827.073216]  ? neigh_periodic_work+0xc60/0xc60
[  827.077799]  __run_timers+0x7e5/0xc70
[  827.081625]  ? timer_fixup_init+0x70/0x70
[  827.085776]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  827.090794]  ? zap_class+0x640/0x640
[  827.094538]  ? enqueue_hrtimer+0x1a5/0x560
[  827.098776]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  827.104003]  ? find_held_lock+0x36/0x1c0
[  827.108069]  ? zap_class+0x640/0x640
[  827.111801]  ? pvclock_read_flags+0x160/0x160
[  827.116326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.121859]  ? check_preemption_disabled+0x48/0x280
[  827.126896]  ? __lock_is_held+0xb5/0x140
[  827.130991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.136527]  ? check_preemption_disabled+0x48/0x280
[  827.141552]  run_timer_softirq+0x52/0xb0
[  827.145620]  ? rcu_read_lock_sched_held+0x14f/0x180
[  827.150653]  __do_softirq+0x308/0xb7e
[  827.154456]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  827.158973]  ? lock_downgrade+0x900/0x900
[  827.163120]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  827.168230]  ? pvclock_read_flags+0x160/0x160
[  827.172732]  ? lapic_next_event+0x5a/0x90
[  827.176887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.182442]  ? kvm_clock_read+0x18/0x30
[  827.186444]  ? kvm_sched_clock_read+0x9/0x20
[  827.190853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.196413]  ? check_preemption_disabled+0x48/0x280
[  827.201447]  irq_exit+0x17f/0x1c0
[  827.204912]  smp_apic_timer_interrupt+0x1cb/0x760
[  827.209758]  ? smp_reschedule_interrupt+0x109/0x650
[  827.214818]  ? smp_call_function_single_interrupt+0x650/0x650
[  827.220704]  ? interrupt_entry+0xb5/0xc0
[  827.224770]  ? trace_hardirqs_off_caller+0xbb/0x310
[  827.229786]  ? trace_hardirqs_off_caller+0xbb/0x310
[  827.234804]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  827.239653]  ? trace_hardirqs_on_caller+0x310/0x310
[  827.244684]  ? trace_hardirqs_on_caller+0x310/0x310
[  827.249699]  ? task_prio+0x50/0x50
[  827.253242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.258782]  ? check_preemption_disabled+0x48/0x280
[  827.263806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  827.268673]  apic_timer_interrupt+0xf/0x20
[  827.272900]  </IRQ>
[  827.275143] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  827.281048] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  827.299947] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  827.307652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  827.314926] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  827.322198] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  827.329465] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  827.336737] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  827.344046]  ? save_stack+0xa9/0xd0
[  827.347690]  __kmalloc_node_track_caller+0x3c/0x70
[  827.352629]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  827.357420]  pskb_expand_head+0x230/0x10f0
[  827.361658]  ? check_preemption_disabled+0x48/0x280
[  827.366675]  ? memcpy+0x45/0x50
[  827.369955]  ? __copy_skb_header+0x350/0x6b0
[  827.374364]  ? skb_release_data+0x880/0x880
[  827.378690]  ? __alloc_skb+0x770/0x770
[  827.382588]  ? __lock_is_held+0xb5/0x140
[  827.386673]  ? kasan_check_write+0x14/0x20
[  827.390913]  ? __skb_clone+0x6c7/0xa00
[  827.394806]  ? __copy_skb_header+0x6b0/0x6b0
[  827.399215]  ? kmem_cache_alloc+0x33a/0x730
[  827.403539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.409082]  skb_ensure_writable+0x3dd/0x640
[  827.413488]  ? skb_checksum_setup+0xaa0/0xaa0
[  827.417985]  ? preempt_notifier_register+0x200/0x200
[  827.423082]  ? __switch_to_asm+0x34/0x70
[  827.427141]  ? __switch_to_asm+0x34/0x70
[  827.431219]  ? __switch_to_asm+0x40/0x70
[  827.435299]  ? __switch_to_asm+0x34/0x70
[  827.439354]  ? __switch_to_asm+0x40/0x70
[  827.443419]  ? __switch_to_asm+0x40/0x70
[  827.447478]  ? __switch_to_asm+0x34/0x70
[  827.451540]  ? __switch_to_asm+0x34/0x70
[  827.455598]  ? __switch_to_asm+0x40/0x70
[  827.459659]  ? __switch_to_asm+0x34/0x70
[  827.463728]  bpf_clone_redirect+0x14a/0x490
[  827.468057]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  827.473100]  ? __sched_text_start+0x8/0x8
[  827.477257]  ? retint_kernel+0x2d/0x2d
[  827.481167]  ? find_held_lock+0x36/0x1c0
[  827.485248]  ? lock_acquire+0x1ed/0x520
[  827.489232]  ? bpf_test_run+0x3cb/0x780
[  827.493206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.498747]  ? check_preemption_disabled+0x48/0x280
[  827.503769]  ? kasan_check_read+0x11/0x20
[  827.507936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  827.513228]  ? rcu_softirq_qs+0x20/0x20
[  827.517200]  ? preempt_schedule+0x4d/0x60
[  827.521361]  ? ___preempt_schedule+0x16/0x18
[  827.525787]  ? bpf_test_run+0x25d/0x780
[  827.529774]  ? netlink_diag_dump+0x2a0/0x2a0
[  827.534195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  827.539727]  ? bpf_test_init.isra.10+0x70/0x100
[  827.544405]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  827.549193]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  827.554046]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  827.559580]  ? fput+0x130/0x1a0
[  827.562860]  ? __bpf_prog_get+0x9b/0x290
[  827.566927]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  827.571785]  ? bpf_prog_test_run+0x130/0x1a0
[  827.576195]  ? __x64_sys_bpf+0x3d8/0x520
[  827.580256]  ? bpf_prog_get+0x20/0x20
[  827.584091]  ? do_syscall_64+0x1b9/0x820
[  827.588189]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  827.593567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  827.598502]  ? trace_hardirqs_on_caller+0x310/0x310
[  827.603515]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  827.608534]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  827.615197]  ? __switch_to_asm+0x40/0x70
[  827.619267]  ? __switch_to_asm+0x34/0x70
[  827.623330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  827.628182]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  827.633560] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  827.633712] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  827.640233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  827.650701] syz-executor0 cpuset=syz0 mems_allowed=0
[  827.660044] Call Trace:
[  827.667710]  <IRQ>
[  827.669861]  dump_stack+0x244/0x39d
[  827.673515]  ? dump_stack_print_info.cold.1+0x20/0x20
[  827.678722]  warn_alloc.cold.116+0xb7/0x1bd
[  827.683050]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  827.687895]  ? lock_downgrade+0x900/0x900
[  827.692052]  ? trace_hardirqs_off+0xb8/0x310
[  827.696478]  ? trace_hardirqs_off+0xb8/0x310
[  827.700897]  __alloc_pages_slowpath+0x26e8/0x2e10
[  827.705785]  ? warn_alloc+0x120/0x120
[  827.709607]  ? warn_alloc+0x120/0x120
[  827.713437]  ? warn_alloc+0x120/0x120
[  827.717244]  ? print_usage_bug+0xc0/0xc0
[  827.721310]  ? print_usage_bug+0xc0/0xc0
[  827.725372]  ? ktime_get+0x2c1/0x400
[  827.729100]  ? check_preemption_disabled+0x48/0x280
[  827.734125]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  827.738635]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  827.744172]  ? should_fail+0x22d/0xd01
[  827.748061]  ? kasan_check_read+0x11/0x20
[  827.752210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  827.757313]  ? __lock_acquire+0x62f/0x4c20
[  827.761548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  827.766648]  ? should_fail+0x22d/0xd01
[  827.770538]  ? print_usage_bug+0xc0/0xc0
[  827.774635]  ? mark_held_locks+0x130/0x130
[  827.778911]  ? mark_held_locks+0x130/0x130
[  827.783158]  ? check_preemption_disabled+0x48/0x280
[  827.788198]  ? zap_class+0x640/0x640
[  827.791915]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  827.796677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.802221]  ? check_preemption_disabled+0x48/0x280
[  827.807261]  ? __lock_is_held+0xb5/0x140
[  827.811330]  __alloc_pages_nodemask+0xa80/0xde0
[  827.815999]  ? zap_class+0x640/0x640
[  827.819721]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  827.824747]  ? find_held_lock+0x36/0x1c0
[  827.828817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  827.833490]  ? lock_downgrade+0x900/0x900
[  827.837644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.843203]  cache_grow_begin+0xa5/0x8c0
[  827.847265]  ? do_raw_spin_unlock+0xa7/0x330
[  827.851679]  fallback_alloc+0x204/0x2e0
[  827.855661]  ____cache_alloc_node+0x1c7/0x1e0
[  827.860173]  kmem_cache_alloc_node+0xe3/0x730
[  827.864671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  827.869263]  __alloc_skb+0x119/0x770
[  827.872976]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  827.878344]  ? netdev_alloc_frag+0x1f0/0x1f0
[  827.882777]  ? vprintk_default+0x28/0x30
[  827.886837]  ? vprintk_func+0x85/0x181
[  827.890726]  ? printk+0xa7/0xcf
[  827.894006]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  827.898771]  new_skb+0x26/0x1c0
[  827.902055]  aoecmd_cfg+0x279/0x7f0
[  827.905685]  ? find_held_lock+0x36/0x1c0
[  827.909749]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  827.914079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.919643]  ? __lock_is_held+0xb5/0x140
[  827.923720]  discover_timer+0x50/0x60
[  827.927535]  call_timer_fn+0x272/0x920
[  827.931430]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  827.936273]  ? process_timeout+0x40/0x40
[  827.940343]  ? mark_held_locks+0xc7/0x130
[  827.944506]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.949005]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.953510]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  827.958390]  ? lockdep_hardirqs_on+0x296/0x5b0
[  827.962996]  ? trace_hardirqs_on+0xbd/0x310
[  827.967316]  ? kasan_check_read+0x11/0x20
[  827.971473]  ? __run_timers+0x7da/0xc70
[  827.975463]  ? trace_hardirqs_off_caller+0x310/0x310
[  827.980592]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  827.985437]  __run_timers+0x7e5/0xc70
[  827.989262]  ? timer_fixup_init+0x70/0x70
[  827.993441]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  827.998475]  ? zap_class+0x640/0x640
[  828.002196]  ? print_usage_bug+0xc0/0xc0
[  828.006264]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  828.011474]  ? find_held_lock+0x36/0x1c0
[  828.015545]  ? zap_class+0x640/0x640
[  828.019271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.024809]  ? check_preemption_disabled+0x48/0x280
[  828.029853]  ? __lock_is_held+0xb5/0x140
[  828.033920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.039465]  ? check_preemption_disabled+0x48/0x280
[  828.044486]  run_timer_softirq+0x52/0xb0
[  828.048560]  ? rcu_read_lock_sched_held+0x14f/0x180
[  828.053591]  __do_softirq+0x308/0xb7e
[  828.057401]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  828.061901]  ? lock_downgrade+0x900/0x900
[  828.066054]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  828.071166]  ? pvclock_read_flags+0x160/0x160
[  828.075665]  ? lapic_next_event+0x5a/0x90
[  828.079817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.085358]  ? kvm_clock_read+0x18/0x30
[  828.089330]  ? kvm_sched_clock_read+0x9/0x20
[  828.093745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.099287]  ? check_preemption_disabled+0x48/0x280
[  828.104318]  irq_exit+0x17f/0x1c0
[  828.107776]  smp_apic_timer_interrupt+0x1cb/0x760
[  828.112619]  ? smp_reschedule_interrupt+0x109/0x650
[  828.117639]  ? smp_call_function_single_interrupt+0x650/0x650
[  828.123526]  ? interrupt_entry+0xb5/0xc0
[  828.127592]  ? trace_hardirqs_off_caller+0xbb/0x310
[  828.132618]  ? trace_hardirqs_off_caller+0xbb/0x310
[  828.137634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.142493]  ? trace_hardirqs_on_caller+0x310/0x310
[  828.147524]  ? trace_hardirqs_on_caller+0x310/0x310
[  828.152541]  ? task_prio+0x50/0x50
[  828.156085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.161635]  ? check_preemption_disabled+0x48/0x280
[  828.166658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.171515]  apic_timer_interrupt+0xf/0x20
[  828.175753]  </IRQ>
[  828.178003] RIP: 0010:dump_stack+0x358/0x39d
[  828.182425] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  828.201326] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  828.209031] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  828.216297] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  828.223563] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  828.230834] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  828.238099] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  828.245382]  ? dump_stack+0x34f/0x39d
[  828.249209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  828.254424]  ? mark_held_locks+0x130/0x130
[  828.258666]  ? mark_held_locks+0x130/0x130
[  828.262908]  dump_header+0x27b/0xf72
[  828.266640]  ? pagefault_out_of_memory+0x197/0x197
[  828.271597]  ? __lock_acquire+0x62f/0x4c20
[  828.275854]  ? percpu_ref_get_many+0x240/0x240
[  828.280460]  ? print_usage_bug+0xc0/0xc0
[  828.284528]  ? zap_class+0x640/0x640
[  828.288257]  ? print_usage_bug+0xc0/0xc0
[  828.292321]  ? print_usage_bug+0xc0/0xc0
[  828.296386]  ? zap_class+0x640/0x640
[  828.300119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.305664]  ? find_held_lock+0x36/0x1c0
[  828.309739]  ? mark_held_locks+0xc7/0x130
[  828.313890]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  828.318994]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  828.324102]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  828.328687]  ? trace_hardirqs_on+0xbd/0x310
[  828.333012]  ? kasan_check_read+0x11/0x20
[  828.337158]  ? ___ratelimit+0x3b4/0x672
[  828.341133]  ? trace_hardirqs_off_caller+0x310/0x310
[  828.346250]  ? trace_hardirqs_on+0x310/0x310
[  828.350664]  ? lock_downgrade+0x900/0x900
[  828.354848]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  828.359954]  ? ___ratelimit+0x3b9/0x672
[  828.363935]  ? idr_get_free+0xf80/0xf80
[  828.367912]  ? find_held_lock+0x36/0x1c0
[  828.371986]  oom_kill_process.cold.27+0x10/0x903
[  828.376740]  ? zap_class+0x640/0x640
[  828.380484]  ? check_preemption_disabled+0x48/0x280
[  828.385507]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  828.390444]  ? kasan_check_read+0x11/0x20
[  828.394591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.399869]  ? oom_evaluate_task+0x540/0x540
[  828.404292]  ? find_held_lock+0x36/0x1c0
[  828.408360]  ? out_of_memory+0x974/0x1430
[  828.412531]  ? lock_downgrade+0x900/0x900
[  828.416678]  ? check_preemption_disabled+0x48/0x280
[  828.421733]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  828.426660]  ? kasan_check_read+0x11/0x20
[  828.430815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.436092]  ? rcu_softirq_qs+0x20/0x20
[  828.440069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.445614]  ? oom_evaluate_task+0x302/0x540
[  828.450023]  out_of_memory+0xa84/0x1430
[  828.454023]  ? oom_killer_disable+0x3a0/0x3a0
[  828.458522]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  828.463466]  ? __ww_mutex_check_waiters+0x160/0x160
[  828.468496]  __alloc_pages_slowpath+0x2354/0x2e10
[  828.473381]  ? warn_alloc+0x120/0x120
[  828.477192]  ? mark_held_locks+0x130/0x130
[  828.481443]  ? find_get_entry+0xaae/0x1120
[  828.485690]  ? filemap_map_pages+0x1a20/0x1a20
[  828.490275]  ? zap_class+0x640/0x640
[  828.493995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.499543]  ? check_preemption_disabled+0x48/0x280
[  828.504571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.510108]  ? should_fail+0x22d/0xd01
[  828.514001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  828.519106]  ? zap_class+0x640/0x640
[  828.522846]  ? __lock_is_held+0xb5/0x140
[  828.526913]  ? mark_held_locks+0x130/0x130
[  828.531180]  ? lock_release+0xa00/0xa00
[  828.535153]  ? perf_trace_sched_process_exec+0x860/0x860
[  828.540614]  ? xa_load+0x2ba/0x460
[  828.544155]  ? lock_downgrade+0x900/0x900
[  828.548318]  ? __might_sleep+0x95/0x190
[  828.552308]  __alloc_pages_nodemask+0xa80/0xde0
[  828.556981]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  828.561996]  ? __page_cache_alloc+0x191/0x5c0
[  828.566492]  ? xa_load+0x2e1/0x460
[  828.570033]  ? xa_clear_mark+0x40/0x40
[  828.573919]  ? zap_class+0x640/0x640
[  828.577639]  ? zap_class+0x640/0x640
[  828.581351]  ? zap_class+0x640/0x640
[  828.585064]  ? __do_page_cache_readahead+0x663/0x810
[  828.590201]  ? find_held_lock+0x36/0x1c0
[  828.594266]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  828.599806]  alloc_pages_current+0x173/0x350
[  828.604222]  __page_cache_alloc+0x38c/0x5c0
[  828.608556]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  828.613486]  ? kasan_check_read+0x11/0x20
[  828.617632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.622926]  ? generic_perform_write+0x6a0/0x6a0
[  828.627700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.633237]  ? check_preemption_disabled+0x48/0x280
[  828.638262]  filemap_fault+0x1595/0x25f0
[  828.642338]  ? __lock_page_or_retry+0xa00/0xa00
[  828.647014]  ? mark_held_locks+0x130/0x130
[  828.651261]  ? filemap_map_pages+0xd6b/0x1a20
[  828.655756]  ? lock_downgrade+0x900/0x900
[  828.659906]  ? check_preemption_disabled+0x48/0x280
[  828.664928]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  828.669860]  ? kasan_check_read+0x11/0x20
[  828.674009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.679288]  ? rcu_softirq_qs+0x20/0x20
[  828.683278]  ? filemap_map_pages+0xd92/0x1a20
[  828.687798]  ? find_get_entries_tag+0x1400/0x1400
[  828.692643]  ? debug_object_destroy+0x2b0/0x2b0
[  828.697315]  ? lock_pi_update_atomic+0x150/0x150
[  828.702070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.707624]  ? lock_acquire+0x1ed/0x520
[  828.711601]  ? ext4_filemap_fault+0x7a/0xad
[  828.715940]  ? lock_release+0xa00/0xa00
[  828.719914]  ? perf_trace_sched_process_exec+0x860/0x860
[  828.725878]  ? print_usage_bug+0xc0/0xc0
[  828.729942]  ? print_usage_bug+0xc0/0xc0
[  828.734013]  ? down_read+0x8d/0x120
[  828.737642]  ? ext4_filemap_fault+0x7a/0xad
[  828.741978]  ? __down_interruptible+0x700/0x700
[  828.746693]  ext4_filemap_fault+0x82/0xad
[  828.750856]  __do_fault+0x100/0x6b0
[  828.754488]  ? find_held_lock+0x36/0x1c0
[  828.758553]  ? pmd_devmap_trans_unstable+0x220/0x220
[  828.763659]  ? mark_held_locks+0x130/0x130
[  828.767895]  ? mark_held_locks+0x130/0x130
[  828.772133]  ? _raw_spin_unlock_irq+0x27/0x80
[  828.776636]  ? _raw_spin_unlock_irq+0x27/0x80
[  828.781154]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  828.785740]  ? kasan_check_read+0x11/0x20
[  828.789889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.795441]  __handle_mm_fault+0x3ea6/0x5be0
[  828.799874]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  828.804718]  ? finish_task_switch+0x1f4/0x910
[  828.809214]  ? finish_task_switch+0x1b4/0x910
[  828.813742]  ? __switch_to_asm+0x34/0x70
[  828.817825]  ? preempt_notifier_register+0x200/0x200
[  828.822924]  ? __switch_to_asm+0x34/0x70
[  828.826986]  ? __switch_to_asm+0x34/0x70
[  828.831206]  ? zap_class+0x640/0x640
[  828.834922]  ? zap_class+0x640/0x640
[  828.838636]  ? __x64_sys_futex+0x53e/0x6a0
[  828.842883]  ? find_held_lock+0x36/0x1c0
[  828.846984]  ? handle_mm_fault+0x42a/0xc70
[  828.851220]  ? lock_downgrade+0x900/0x900
[  828.855382]  ? check_preemption_disabled+0x48/0x280
[  828.860428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  828.865422]  ? kasan_check_read+0x11/0x20
[  828.869574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.874850]  ? rcu_softirq_qs+0x20/0x20
[  828.878823]  ? trace_hardirqs_off_caller+0x310/0x310
[  828.883937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.889487]  ? check_preemption_disabled+0x48/0x280
[  828.894512]  handle_mm_fault+0x54f/0xc70
[  828.898578]  ? __handle_mm_fault+0x5be0/0x5be0
[  828.903174]  ? find_vma+0x34/0x190
[  828.906719]  __do_page_fault+0x5e8/0xe60
[  828.910790]  ? trace_hardirqs_off+0xb8/0x310
[  828.915210]  do_page_fault+0xf2/0x7e0
[  828.919012]  ? vmalloc_sync_all+0x30/0x30
[  828.923162]  ? error_entry+0x70/0xd0
[  828.926879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  828.931898]  ? trace_hardirqs_on_caller+0xc0/0x310
[  828.936830]  ? syscall_return_slowpath+0x5e0/0x5e0
[  828.941757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.946605]  ? trace_hardirqs_on_caller+0x310/0x310
[  828.951622]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  828.957087]  ? prepare_exit_to_usermode+0x291/0x3b0
[  828.962119]  ? page_fault+0x8/0x30
[  828.965674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.970534]  ? page_fault+0x8/0x30
[  828.974080]  page_fault+0x1e/0x30
[  828.977559] RIP: 0033:0x45ddf3
[  828.980765] Code: Bad RIP value.
[  828.984125] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  828.989488] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  828.996756] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  829.004021] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  829.011285] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  829.018551] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  829.025850] warn_alloc_show_mem: 1 callbacks suppressed
[  829.025862] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  829.025864] Mem-Info:
[  829.025900] active_anon:53034 inactive_anon:131 isolated_anon:0
[  829.025900]  active_file:14 inactive_file:14 isolated_file:0
[  829.025900]  unevictable:0 dirty:0 writeback:0 unstable:0
[  829.025900]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  829.025900]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  829.025900]  free:13749 free_pcp:564 free_cma:0
[  829.031246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  829.038263] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  829.040664] Call Trace:
[  829.073616] 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
[  829.082966]  <IRQ>
[  829.110351] lowmem_reserve[]: 0 2818 6321 6321
[  829.112944]  dump_stack+0x244/0x39d
[  829.139051] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  829.141203]  ? dump_stack_print_info.cold.1+0x20/0x20
[  829.145760] lowmem_reserve[]: 0 0 3503 3503
[  829.149392]  warn_alloc.cold.116+0xb7/0x1bd
[  829.176872] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  829.182064]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  829.186371] lowmem_reserve[]: 0 0 0 0
[  829.190726]  ? lock_downgrade+0x900/0x900
[  829.219764] 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
[  829.224610]  ? trace_hardirqs_off+0xb8/0x310
[  829.228383] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  829.232551]  ? trace_hardirqs_off+0xb8/0x310
[  829.246048] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  829.250462]  __alloc_pages_slowpath+0x26e8/0x2e10
[  829.265619] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  829.270046]  ? warn_alloc+0x120/0x120
[  829.285442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  829.290281]  ? warn_alloc+0x120/0x120
[  829.299105] 166 total pagecache pages
[  829.302921]  ? warn_alloc+0x120/0x120
[  829.311480] 0 pages in swap cache
[  829.315271]  ? clockevents_program_event+0x158/0x370
[  829.319057] Swap cache stats: add 0, delete 0, find 0/0
[  829.322855]  ? print_usage_bug+0xc0/0xc0
[  829.326315] Free swap  = 0kB
[  829.331434]  ? lock_downgrade+0x900/0x900
[  829.336789] Total swap = 0kB
[  829.340860]  ? zap_class+0x640/0x640
[  829.343860] 1965979 pages RAM
[  829.348006]  ? print_usage_bug+0xc0/0xc0
[  829.351001] 0 pages HighMem/MovableOnly
[  829.354709]  ? hrtimer_start_range_ns+0xe00/0xe00
[  829.357815] 342858 pages reserved
[  829.357824] 0 pages cma reserved
[  829.361899]  ? trace_hardirqs_on+0x310/0x310
[  829.365905] aoe: skb alloc failure
[  829.370695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  829.370709]  ? should_fail+0x22d/0xd01
[  829.370728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  829.374196] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  829.377534]  ? __lock_acquire+0x62f/0x4c20
[  829.381916] syz-fuzzer cpuset=/ mems_allowed=0
[  829.385472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  829.424047]  ? __lock_acquire+0x62f/0x4c20
[  829.428286]  ? should_fail+0x22d/0xd01
[  829.432175]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  829.436686]  ? mark_held_locks+0x130/0x130
[  829.440932]  ? mark_held_locks+0x130/0x130
[  829.445173]  ? print_usage_bug+0xc0/0xc0
[  829.449236]  ? rcu_irq_exit+0x1a2/0x390
[  829.453219]  ? zap_class+0x640/0x640
[  829.456936]  ? kvm_sched_clock_read+0x9/0x20
[  829.461349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.466888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.472438]  ? check_preemption_disabled+0x48/0x280
[  829.477471]  ? __lock_is_held+0xb5/0x140
[  829.481540]  __alloc_pages_nodemask+0xa80/0xde0
[  829.486212]  ? zap_class+0x640/0x640
[  829.489941]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  829.494974]  ? find_held_lock+0x36/0x1c0
[  829.499051]  ? ____cache_alloc_node+0x1c7/0x1e0
[  829.503724]  ? lock_downgrade+0x900/0x900
[  829.507885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.513438]  cache_grow_begin+0xa5/0x8c0
[  829.517501]  ? do_raw_spin_unlock+0xa7/0x330
[  829.521924]  fallback_alloc+0x204/0x2e0
[  829.525915]  ____cache_alloc_node+0x1c7/0x1e0
[  829.530425]  kmem_cache_alloc+0x1f8/0x730
[  829.534590]  __build_skb+0xab/0x430
[  829.538222]  ? skb_try_coalesce+0x1b70/0x1b70
[  829.542727]  ? trace_hardirqs_on+0xbd/0x310
[  829.547055]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  829.552596]  ? trace_hardirqs_off_caller+0x310/0x310
[  829.557708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.563252]  ? check_preemption_disabled+0x48/0x280
[  829.568278]  __netdev_alloc_skb+0x2b5/0x450
[  829.572609]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  829.577982]  ? neigh_probe+0xca/0x120
[  829.581787]  ? br_send_bpdu_finish+0x20/0x20
[  829.586209]  ? mark_held_locks+0x130/0x130
[  829.590447]  ? __lock_acquire+0x62f/0x4c20
[  829.594688]  ? arp_solicit+0x80f/0x14e0
[  829.598674]  br_send_config_bpdu+0xc9d/0x10a0
[  829.603175]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  829.608806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.614342]  ? refcount_sub_and_test_checked+0x203/0x310
[  829.619796]  br_transmit_config+0x8cd/0xbb0
[  829.624129]  ? find_held_lock+0x36/0x1c0
[  829.628197]  ? br_get_port+0x280/0x280
[  829.632088]  ? lock_acquire+0x1ed/0x520
[  829.636060]  ? br_hello_timer_expired+0x20/0x190
[  829.640826]  ? kasan_check_read+0x11/0x20
[  829.644991]  br_config_bpdu_generation+0x16a/0x1c0
[  829.649943]  br_hello_timer_expired+0xa9/0x190
[  829.654557]  call_timer_fn+0x272/0x920
[  829.658448]  ? br_is_root_bridge+0x40/0x40
[  829.662686]  ? process_timeout+0x40/0x40
[  829.666764]  ? __run_timers+0x7da/0xc70
[  829.670759]  ? _raw_spin_unlock_irq+0x27/0x80
[  829.675253]  ? _raw_spin_unlock_irq+0x27/0x80
[  829.679747]  ? br_is_root_bridge+0x40/0x40
[  829.683998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  829.688582]  ? trace_hardirqs_on+0xbd/0x310
[  829.692913]  ? kasan_check_read+0x11/0x20
[  829.697060]  ? __run_timers+0x7da/0xc70
[  829.701049]  ? trace_hardirqs_off_caller+0x310/0x310
[  829.706165]  ? br_is_root_bridge+0x40/0x40
[  829.710407]  __run_timers+0x7e5/0xc70
[  829.714236]  ? timer_fixup_init+0x70/0x70
[  829.718387]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  829.723423]  ? zap_class+0x640/0x640
[  829.727145]  ? enqueue_hrtimer+0x1a5/0x560
[  829.731385]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  829.736596]  ? find_held_lock+0x36/0x1c0
[  829.740677]  ? zap_class+0x640/0x640
[  829.744402]  ? pvclock_read_flags+0x160/0x160
[  829.748919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.754462]  ? check_preemption_disabled+0x48/0x280
[  829.759502]  ? __lock_is_held+0xb5/0x140
[  829.763569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.769113]  ? check_preemption_disabled+0x48/0x280
[  829.774146]  run_timer_softirq+0x52/0xb0
[  829.778208]  ? rcu_read_lock_sched_held+0x14f/0x180
[  829.783247]  __do_softirq+0x308/0xb7e
[  829.787065]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  829.791558]  ? lock_downgrade+0x900/0x900
[  829.795712]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  829.800825]  ? pvclock_read_flags+0x160/0x160
[  829.805338]  ? lapic_next_event+0x5a/0x90
[  829.809489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.815039]  ? kvm_clock_read+0x18/0x30
[  829.819017]  ? kvm_sched_clock_read+0x9/0x20
[  829.823531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.829071]  ? check_preemption_disabled+0x48/0x280
[  829.834099]  irq_exit+0x17f/0x1c0
[  829.837571]  smp_apic_timer_interrupt+0x1cb/0x760
[  829.842422]  ? smp_reschedule_interrupt+0x109/0x650
[  829.847447]  ? smp_call_function_single_interrupt+0x650/0x650
[  829.853345]  ? interrupt_entry+0xb5/0xc0
[  829.857419]  ? trace_hardirqs_off_caller+0xbb/0x310
[  829.862442]  ? trace_hardirqs_off_caller+0xbb/0x310
[  829.867465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  829.872313]  ? trace_hardirqs_on_caller+0x310/0x310
[  829.877334]  ? trace_hardirqs_on_caller+0x310/0x310
[  829.882352]  ? task_prio+0x50/0x50
[  829.885897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.891446]  ? check_preemption_disabled+0x48/0x280
[  829.896471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  829.901340]  apic_timer_interrupt+0xf/0x20
[  829.905571]  </IRQ>
[  829.907822] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  829.913705] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  829.932615] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  829.940324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  829.947593] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  829.954861] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  829.962129] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  829.969392] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  829.976705]  ? save_stack+0xa9/0xd0
[  829.980346]  __kmalloc_node_track_caller+0x3c/0x70
[  829.985286]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  829.990060]  pskb_expand_head+0x230/0x10f0
[  829.994300]  ? check_preemption_disabled+0x48/0x280
[  829.999346]  ? memcpy+0x45/0x50
[  830.002632]  ? __copy_skb_header+0x350/0x6b0
[  830.007045]  ? skb_release_data+0x880/0x880
[  830.011368]  ? __alloc_skb+0x770/0x770
[  830.015272]  ? __lock_is_held+0xb5/0x140
[  830.019344]  ? kasan_check_write+0x14/0x20
[  830.023574]  ? __skb_clone+0x6c7/0xa00
[  830.027462]  ? __copy_skb_header+0x6b0/0x6b0
[  830.031868]  ? kmem_cache_alloc+0x33a/0x730
[  830.036189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.041732]  skb_ensure_writable+0x3dd/0x640
[  830.046143]  ? skb_checksum_setup+0xaa0/0xaa0
[  830.050640]  ? preempt_notifier_register+0x200/0x200
[  830.055740]  ? __switch_to_asm+0x34/0x70
[  830.059800]  ? __switch_to_asm+0x34/0x70
[  830.063872]  ? __switch_to_asm+0x40/0x70
[  830.067936]  ? __switch_to_asm+0x34/0x70
[  830.071998]  ? __switch_to_asm+0x40/0x70
[  830.076058]  ? __switch_to_asm+0x40/0x70
[  830.080117]  ? __switch_to_asm+0x34/0x70
[  830.084183]  ? __switch_to_asm+0x34/0x70
[  830.088244]  ? __switch_to_asm+0x40/0x70
[  830.092319]  ? __switch_to_asm+0x34/0x70
[  830.096390]  bpf_clone_redirect+0x14a/0x490
[  830.100732]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  830.105754]  ? __sched_text_start+0x8/0x8
[  830.109913]  ? retint_kernel+0x2d/0x2d
[  830.113809]  ? find_held_lock+0x36/0x1c0
[  830.117881]  ? lock_acquire+0x1ed/0x520
[  830.121869]  ? bpf_test_run+0x3cb/0x780
[  830.125868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.131416]  ? check_preemption_disabled+0x48/0x280
[  830.136457]  ? kasan_check_read+0x11/0x20
[  830.140605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  830.145883]  ? rcu_softirq_qs+0x20/0x20
[  830.149879]  ? preempt_schedule+0x4d/0x60
[  830.154045]  ? ___preempt_schedule+0x16/0x18
[  830.158465]  ? bpf_test_run+0x25d/0x780
[  830.162450]  ? netlink_diag_dump+0x2a0/0x2a0
[  830.166881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  830.172428]  ? bpf_test_init.isra.10+0x70/0x100
[  830.177112]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  830.181876]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  830.186722]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  830.192262]  ? fput+0x130/0x1a0
[  830.195543]  ? __bpf_prog_get+0x9b/0x290
[  830.199608]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  830.204451]  ? bpf_prog_test_run+0x130/0x1a0
[  830.208877]  ? __x64_sys_bpf+0x3d8/0x520
[  830.212946]  ? bpf_prog_get+0x20/0x20
[  830.216770]  ? do_syscall_64+0x1b9/0x820
[  830.220844]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  830.226225]  ? syscall_return_slowpath+0x5e0/0x5e0
[  830.231159]  ? trace_hardirqs_on_caller+0x310/0x310
[  830.236175]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  830.241196]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  830.247866]  ? __switch_to_asm+0x40/0x70
[  830.251931]  ? __switch_to_asm+0x34/0x70
[  830.255997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  830.260865]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  830.266257] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  830.266449] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  830.272950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  830.283426] syz-executor0 cpuset=syz0 mems_allowed=0
[  830.292767] Call Trace:
[  830.300436]  <IRQ>
[  830.302591]  dump_stack+0x244/0x39d
[  830.306221]  ? dump_stack_print_info.cold.1+0x20/0x20
[  830.311459]  warn_alloc.cold.116+0xb7/0x1bd
[  830.315786]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  830.320647]  ? lock_downgrade+0x900/0x900
[  830.324804]  ? trace_hardirqs_off+0xb8/0x310
[  830.329234]  ? trace_hardirqs_off+0xb8/0x310
[  830.333648]  __alloc_pages_slowpath+0x26e8/0x2e10
[  830.338534]  ? warn_alloc+0x120/0x120
[  830.342339]  ? warn_alloc+0x120/0x120
[  830.346141]  ? __lock_acquire+0x62f/0x4c20
[  830.350378]  ? warn_alloc+0x120/0x120
[  830.354206]  ? print_usage_bug+0xc0/0xc0
[  830.358275]  ? print_usage_bug+0xc0/0xc0
[  830.362344]  ? mark_held_locks+0x130/0x130
[  830.366589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  830.372126]  ? should_fail+0x22d/0xd01
[  830.376010]  ? zap_class+0x640/0x640
[  830.379726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  830.384833]  ? __lock_acquire+0x62f/0x4c20
[  830.389073]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  830.394177]  ? should_fail+0x22d/0xd01
[  830.398078]  ? mark_held_locks+0x130/0x130
[  830.402347]  ? mark_held_locks+0x130/0x130
[  830.406583]  ? lock_downgrade+0x900/0x900
[  830.410732]  ? zap_class+0x640/0x640
[  830.414446]  ? zap_class+0x640/0x640
[  830.418159]  ? zap_class+0x640/0x640
[  830.421873]  ? do_raw_spin_unlock+0xa7/0x330
[  830.426284]  ? trace_hardirqs_on+0x310/0x310
[  830.430690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.436241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.441793]  ? check_preemption_disabled+0x48/0x280
[  830.446816]  ? __lock_is_held+0xb5/0x140
[  830.450882]  __alloc_pages_nodemask+0xa80/0xde0
[  830.455551]  ? zap_class+0x640/0x640
[  830.459269]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  830.464327]  ? find_held_lock+0x36/0x1c0
[  830.468423]  ? ____cache_alloc_node+0x1c7/0x1e0
[  830.473096]  ? lock_downgrade+0x900/0x900
[  830.477263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.482806]  cache_grow_begin+0xa5/0x8c0
[  830.486873]  ? do_raw_spin_unlock+0xa7/0x330
[  830.491296]  fallback_alloc+0x204/0x2e0
[  830.495288]  ____cache_alloc_node+0x1c7/0x1e0
[  830.499803]  kmem_cache_alloc_node+0xe3/0x730
[  830.504314]  ? lockdep_hardirqs_on+0x296/0x5b0
[  830.508903]  __alloc_skb+0x119/0x770
[  830.512616]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  830.517985]  ? netdev_alloc_frag+0x1f0/0x1f0
[  830.522412]  ? vprintk_default+0x28/0x30
[  830.526475]  ? vprintk_func+0x85/0x181
[  830.530362]  ? printk+0xa7/0xcf
[  830.533644]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  830.538427]  new_skb+0x26/0x1c0
[  830.541708]  aoecmd_cfg+0x279/0x7f0
[  830.545339]  ? find_held_lock+0x36/0x1c0
[  830.549415]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  830.553759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.559307]  ? __lock_is_held+0xb5/0x140
[  830.563380]  discover_timer+0x50/0x60
[  830.567188]  call_timer_fn+0x272/0x920
[  830.571100]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  830.575963]  ? process_timeout+0x40/0x40
[  830.580040]  ? mark_held_locks+0xc7/0x130
[  830.584192]  ? _raw_spin_unlock_irq+0x27/0x80
[  830.588688]  ? _raw_spin_unlock_irq+0x27/0x80
[  830.593184]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  830.598039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  830.602624]  ? trace_hardirqs_on+0xbd/0x310
[  830.606945]  ? kasan_check_read+0x11/0x20
[  830.611092]  ? __run_timers+0x7da/0xc70
[  830.615065]  ? trace_hardirqs_off_caller+0x310/0x310
[  830.620176]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  830.625014]  __run_timers+0x7e5/0xc70
[  830.628824]  ? timer_fixup_init+0x70/0x70
[  830.632977]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  830.637996]  ? zap_class+0x640/0x640
[  830.641729]  ? print_usage_bug+0xc0/0xc0
[  830.645826]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  830.651050]  ? find_held_lock+0x36/0x1c0
[  830.655120]  ? zap_class+0x640/0x640
[  830.658849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.664390]  ? check_preemption_disabled+0x48/0x280
[  830.669448]  ? __lock_is_held+0xb5/0x140
[  830.673526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.679065]  ? check_preemption_disabled+0x48/0x280
[  830.684092]  run_timer_softirq+0x52/0xb0
[  830.688157]  ? rcu_read_lock_sched_held+0x14f/0x180
[  830.693189]  __do_softirq+0x308/0xb7e
[  830.697005]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  830.701502]  ? lock_downgrade+0x900/0x900
[  830.705653]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  830.710770]  ? pvclock_read_flags+0x160/0x160
[  830.715275]  ? lapic_next_event+0x5a/0x90
[  830.719460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.725534]  ? kvm_clock_read+0x18/0x30
[  830.729511]  ? kvm_sched_clock_read+0x9/0x20
[  830.733949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  830.739490]  ? check_preemption_disabled+0x48/0x280
[  830.744522]  irq_exit+0x17f/0x1c0
[  830.747997]  smp_apic_timer_interrupt+0x1cb/0x760
[  830.752840]  ? smp_reschedule_interrupt+0x109/0x650
[  830.757859]  ? smp_call_function_single_interrupt+0x650/0x650
[  830.763761]  ? interrupt_entry+0xb5/0xc0
[  830.767835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  830.772847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  830.777859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  830.782716]  ? trace_hardirqs_on_caller+0x310/0x310
[  830.787741]  ? trace_hardirqs_on_caller+0x310/0x310
[  830.792759]  ? task_prio+0x50/0x50
[  830.796304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.801840]  ? check_preemption_disabled+0x48/0x280
[  830.806873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  830.811725]  apic_timer_interrupt+0xf/0x20
[  830.815950]  </IRQ>
[  830.818187] RIP: 0010:dump_stack+0x358/0x39d
[  830.822596] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  830.841669] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  830.849375] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  830.856658] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  830.863925] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  830.871196] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  830.878466] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  830.885761]  ? dump_stack+0x34f/0x39d
[  830.889579]  ? dump_stack_print_info.cold.1+0x20/0x20
[  830.894794]  ? mark_held_locks+0x130/0x130
[  830.899040]  ? mark_held_locks+0x130/0x130
[  830.903279]  dump_header+0x27b/0xf72
[  830.907006]  ? pagefault_out_of_memory+0x197/0x197
[  830.911944]  ? __lock_acquire+0x62f/0x4c20
[  830.916183]  ? percpu_ref_get_many+0x240/0x240
[  830.920773]  ? print_usage_bug+0xc0/0xc0
[  830.924841]  ? zap_class+0x640/0x640
[  830.928569]  ? print_usage_bug+0xc0/0xc0
[  830.932633]  ? print_usage_bug+0xc0/0xc0
[  830.936701]  ? zap_class+0x640/0x640
[  830.940431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.945972]  ? find_held_lock+0x36/0x1c0
[  830.950043]  ? mark_held_locks+0xc7/0x130
[  830.954195]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  830.959300]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  830.964421]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  830.969007]  ? trace_hardirqs_on+0xbd/0x310
[  830.973333]  ? kasan_check_read+0x11/0x20
[  830.977486]  ? ___ratelimit+0x3b4/0x672
[  830.981471]  ? trace_hardirqs_off_caller+0x310/0x310
[  830.986577]  ? trace_hardirqs_on+0x310/0x310
[  830.990990]  ? lock_downgrade+0x900/0x900
[  830.995159]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  831.000265]  ? ___ratelimit+0x3b9/0x672
[  831.004243]  ? idr_get_free+0xf80/0xf80
[  831.008217]  ? find_held_lock+0x36/0x1c0
[  831.012303]  oom_kill_process.cold.27+0x10/0x903
[  831.017076]  ? zap_class+0x640/0x640
[  831.020807]  ? check_preemption_disabled+0x48/0x280
[  831.025849]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  831.030780]  ? kasan_check_read+0x11/0x20
[  831.034926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  831.040203]  ? oom_evaluate_task+0x540/0x540
[  831.044616]  ? find_held_lock+0x36/0x1c0
[  831.048684]  ? out_of_memory+0x974/0x1430
[  831.052836]  ? lock_downgrade+0x900/0x900
[  831.056982]  ? check_preemption_disabled+0x48/0x280
[  831.062003]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  831.066935]  ? kasan_check_read+0x11/0x20
[  831.071085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  831.076358]  ? rcu_softirq_qs+0x20/0x20
[  831.080358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.085896]  ? oom_evaluate_task+0x302/0x540
[  831.090309]  out_of_memory+0xa84/0x1430
[  831.094318]  ? oom_killer_disable+0x3a0/0x3a0
[  831.098833]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  831.103765]  ? __ww_mutex_check_waiters+0x160/0x160
[  831.108797]  __alloc_pages_slowpath+0x2354/0x2e10
[  831.113674]  ? warn_alloc+0x120/0x120
[  831.117477]  ? mark_held_locks+0x130/0x130
[  831.121735]  ? find_get_entry+0xaae/0x1120
[  831.125983]  ? filemap_map_pages+0x1a20/0x1a20
[  831.130569]  ? zap_class+0x640/0x640
[  831.134296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.139834]  ? check_preemption_disabled+0x48/0x280
[  831.144851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.150417]  ? should_fail+0x22d/0xd01
[  831.154310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  831.159429]  ? zap_class+0x640/0x640
[  831.163170]  ? __lock_is_held+0xb5/0x140
[  831.167245]  ? mark_held_locks+0x130/0x130
[  831.171487]  ? lock_release+0xa00/0xa00
[  831.175463]  ? perf_trace_sched_process_exec+0x860/0x860
[  831.180911]  ? xa_load+0x2ba/0x460
[  831.184455]  ? lock_downgrade+0x900/0x900
[  831.188625]  ? __might_sleep+0x95/0x190
[  831.192617]  __alloc_pages_nodemask+0xa80/0xde0
[  831.197333]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  831.202353]  ? __page_cache_alloc+0x191/0x5c0
[  831.206845]  ? xa_load+0x2e1/0x460
[  831.210419]  ? xa_clear_mark+0x40/0x40
[  831.214312]  ? zap_class+0x640/0x640
[  831.218037]  ? zap_class+0x640/0x640
[  831.221756]  ? zap_class+0x640/0x640
[  831.225471]  ? __do_page_cache_readahead+0x663/0x810
[  831.230579]  ? find_held_lock+0x36/0x1c0
[  831.234647]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  831.240202]  alloc_pages_current+0x173/0x350
[  831.244622]  __page_cache_alloc+0x38c/0x5c0
[  831.248953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  831.253878]  ? kasan_check_read+0x11/0x20
[  831.258029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  831.263311]  ? generic_perform_write+0x6a0/0x6a0
[  831.268068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.273603]  ? check_preemption_disabled+0x48/0x280
[  831.278633]  filemap_fault+0x1595/0x25f0
[  831.282712]  ? __lock_page_or_retry+0xa00/0xa00
[  831.287420]  ? mark_held_locks+0x130/0x130
[  831.291666]  ? filemap_map_pages+0xd6b/0x1a20
[  831.296165]  ? lock_downgrade+0x900/0x900
[  831.300313]  ? check_preemption_disabled+0x48/0x280
[  831.305332]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  831.310275]  ? kasan_check_read+0x11/0x20
[  831.314431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  831.319720]  ? rcu_softirq_qs+0x20/0x20
[  831.323708]  ? filemap_map_pages+0xd92/0x1a20
[  831.328228]  ? find_get_entries_tag+0x1400/0x1400
[  831.333095]  ? debug_object_destroy+0x2b0/0x2b0
[  831.337768]  ? lock_pi_update_atomic+0x150/0x150
[  831.342534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.348096]  ? lock_acquire+0x1ed/0x520
[  831.352099]  ? ext4_filemap_fault+0x7a/0xad
[  831.356441]  ? lock_release+0xa00/0xa00
[  831.360422]  ? perf_trace_sched_process_exec+0x860/0x860
[  831.365877]  ? print_usage_bug+0xc0/0xc0
[  831.369940]  ? print_usage_bug+0xc0/0xc0
[  831.374030]  ? down_read+0x8d/0x120
[  831.377674]  ? ext4_filemap_fault+0x7a/0xad
[  831.381999]  ? __down_interruptible+0x700/0x700
[  831.386675]  ext4_filemap_fault+0x82/0xad
[  831.390826]  __do_fault+0x100/0x6b0
[  831.394451]  ? find_held_lock+0x36/0x1c0
[  831.398527]  ? pmd_devmap_trans_unstable+0x220/0x220
[  831.403635]  ? mark_held_locks+0x130/0x130
[  831.407871]  ? mark_held_locks+0x130/0x130
[  831.412109]  ? _raw_spin_unlock_irq+0x27/0x80
[  831.416618]  ? _raw_spin_unlock_irq+0x27/0x80
[  831.421144]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  831.425745]  ? kasan_check_read+0x11/0x20
[  831.429905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.435470]  __handle_mm_fault+0x3ea6/0x5be0
[  831.439887]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  831.444730]  ? finish_task_switch+0x1f4/0x910
[  831.449227]  ? finish_task_switch+0x1b4/0x910
[  831.453738]  ? __switch_to_asm+0x34/0x70
[  831.457819]  ? preempt_notifier_register+0x200/0x200
[  831.462934]  ? __switch_to_asm+0x34/0x70
[  831.467019]  ? __switch_to_asm+0x34/0x70
[  831.471097]  ? zap_class+0x640/0x640
[  831.474810]  ? zap_class+0x640/0x640
[  831.478526]  ? __x64_sys_futex+0x53e/0x6a0
[  831.482764]  ? find_held_lock+0x36/0x1c0
[  831.486834]  ? handle_mm_fault+0x42a/0xc70
[  831.491068]  ? lock_downgrade+0x900/0x900
[  831.495217]  ? check_preemption_disabled+0x48/0x280
[  831.500236]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  831.505162]  ? kasan_check_read+0x11/0x20
[  831.509313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  831.514591]  ? rcu_softirq_qs+0x20/0x20
[  831.518565]  ? trace_hardirqs_off_caller+0x310/0x310
[  831.523674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.529210]  ? check_preemption_disabled+0x48/0x280
[  831.534236]  handle_mm_fault+0x54f/0xc70
[  831.538299]  ? __handle_mm_fault+0x5be0/0x5be0
[  831.542902]  ? find_vma+0x34/0x190
[  831.546452]  __do_page_fault+0x5e8/0xe60
[  831.550525]  ? trace_hardirqs_off+0xb8/0x310
[  831.554947]  do_page_fault+0xf2/0x7e0
[  831.558757]  ? vmalloc_sync_all+0x30/0x30
[  831.562906]  ? error_entry+0x70/0xd0
[  831.566625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  831.571639]  ? trace_hardirqs_on_caller+0xc0/0x310
[  831.576599]  ? syscall_return_slowpath+0x5e0/0x5e0
[  831.581525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  831.586371]  ? trace_hardirqs_on_caller+0x310/0x310
[  831.591413]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  831.596887]  ? prepare_exit_to_usermode+0x291/0x3b0
[  831.601902]  ? page_fault+0x8/0x30
[  831.605449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  831.610299]  ? page_fault+0x8/0x30
[  831.613841]  page_fault+0x1e/0x30
[  831.617321] RIP: 0033:0x45ddf3
[  831.620523] Code: Bad RIP value.
[  831.623884] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  831.629248] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  831.636526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  831.643797] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  831.651062] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  831.658329] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  831.665621] warn_alloc_show_mem: 1 callbacks suppressed
[  831.665633] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  831.665635] Mem-Info:
[  831.665666] active_anon:53034 inactive_anon:131 isolated_anon:0
[  831.665666]  active_file:14 inactive_file:14 isolated_file:0
[  831.665666]  unevictable:0 dirty:0 writeback:0 unstable:0
[  831.665666]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  831.665666]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  831.665666]  free:13749 free_pcp:564 free_cma:0
[  831.671012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  831.678029] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  831.680412] Call Trace:
[  831.680446]  <IRQ>
[  831.713406] 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
[  831.722801]  dump_stack+0x244/0x39d
[  831.750197] lowmem_reserve[]: 0 2818 6321 6321
[  831.752799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  831.754939] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  831.781055]  warn_alloc.cold.116+0xb7/0x1bd
[  831.784649] lowmem_reserve[]: 0 0 3503 3503
[  831.789229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  831.794393] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  831.822068]  ? lock_downgrade+0x900/0x900
[  831.826386] lowmem_reserve[]: 0 0 0 0
[  831.830734]  ? trace_hardirqs_off+0xb8/0x310
[  831.835559] 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
[  831.864705]  ? trace_hardirqs_off+0xb8/0x310
[  831.868828] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  831.872630]  __alloc_pages_slowpath+0x26e8/0x2e10
[  831.877014] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  831.890562]  ? warn_alloc+0x120/0x120
[  831.894932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  831.910111]  ? warn_alloc+0x120/0x120
[  831.914938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  831.930361]  ? zap_class+0x640/0x640
[  831.934140] 166 total pagecache pages
[  831.942968]  ? warn_alloc+0x120/0x120
[  831.946754] 0 pages in swap cache
[  831.955321]  ? print_usage_bug+0xc0/0xc0
[  831.959016] Swap cache stats: add 0, delete 0, find 0/0
[  831.962813]  ? check_preemption_disabled+0x48/0x280
[  831.966591] Free swap  = 0kB
[  831.970044]  ? print_usage_bug+0xc0/0xc0
[  831.974081] Total swap = 0kB
[  831.979452]  ? __lock_is_held+0xb5/0x140
[  831.984445] 1965979 pages RAM
[  831.987456]  ? print_usage_bug+0xc0/0xc0
[  831.991493] 0 pages HighMem/MovableOnly
[  831.994511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.998566] 342858 pages reserved
[  832.001672]  ? should_fail+0x22d/0xd01
[  832.005714] 0 pages cma reserved
[  832.009682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  832.015253] aoe: skb alloc failure
[  832.018644]  ? __lock_acquire+0x62f/0x4c20
[  832.018663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  832.018680]  ? __lock_acquire+0x62f/0x4c20
[  832.022588] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  832.025923]  ? should_fail+0x22d/0xd01
[  832.031029] syz-fuzzer cpuset=/ mems_allowed=0
[  832.034574]  ? mark_held_locks+0x130/0x130
[  832.070987]  ? mark_held_locks+0x130/0x130
[  832.075236]  ? mark_held_locks+0x130/0x130
[  832.079482]  ? zap_class+0x640/0x640
[  832.083207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.088750]  ? check_preemption_disabled+0x48/0x280
[  832.093778]  ? __lock_is_held+0xb5/0x140
[  832.097872]  __alloc_pages_nodemask+0xa80/0xde0
[  832.102542]  ? zap_class+0x640/0x640
[  832.106275]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  832.111314]  ? find_held_lock+0x36/0x1c0
[  832.115385]  ? ____cache_alloc_node+0x1c7/0x1e0
[  832.120070]  ? lock_downgrade+0x900/0x900
[  832.124230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.129789]  cache_grow_begin+0xa5/0x8c0
[  832.133874]  ? do_raw_spin_unlock+0xa7/0x330
[  832.138310]  fallback_alloc+0x204/0x2e0
[  832.142294]  ____cache_alloc_node+0x1c7/0x1e0
[  832.146797]  kmem_cache_alloc+0x1f8/0x730
[  832.150959]  __build_skb+0xab/0x430
[  832.154589]  ? skb_try_coalesce+0x1b70/0x1b70
[  832.159083]  ? trace_hardirqs_on+0xbd/0x310
[  832.163417]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  832.168959]  ? trace_hardirqs_off_caller+0x310/0x310
[  832.174076]  ? mod_timer+0x631/0x1560
[  832.177880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.183443]  ? check_preemption_disabled+0x48/0x280
[  832.188467]  __netdev_alloc_skb+0x2b5/0x450
[  832.192797]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  832.198166]  ? neigh_probe+0xca/0x120
[  832.201971]  ? br_send_bpdu_finish+0x20/0x20
[  832.206387]  ? mark_held_locks+0x130/0x130
[  832.210632]  ? __lock_acquire+0x62f/0x4c20
[  832.214873]  ? arp_solicit+0x80f/0x14e0
[  832.218862]  br_send_config_bpdu+0xc9d/0x10a0
[  832.223377]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  832.229010]  ? round_jiffies+0x11c/0x170
[  832.233077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.238616]  ? refcount_sub_and_test_checked+0x203/0x310
[  832.244077]  br_transmit_config+0x8cd/0xbb0
[  832.248407]  ? find_held_lock+0x36/0x1c0
[  832.252476]  ? br_get_port+0x280/0x280
[  832.256366]  ? lock_acquire+0x1ed/0x520
[  832.260360]  ? br_hello_timer_expired+0x20/0x190
[  832.265130]  ? kasan_check_read+0x11/0x20
[  832.269294]  br_config_bpdu_generation+0x16a/0x1c0
[  832.274229]  br_hello_timer_expired+0xa9/0x190
[  832.278811]  call_timer_fn+0x272/0x920
[  832.282703]  ? br_is_root_bridge+0x40/0x40
[  832.286945]  ? process_timeout+0x40/0x40
[  832.291011]  ? __run_timers+0x7da/0xc70
[  832.294988]  ? _raw_spin_unlock_irq+0x27/0x80
[  832.299486]  ? _raw_spin_unlock_irq+0x27/0x80
[  832.303983]  ? br_is_root_bridge+0x40/0x40
[  832.308220]  ? lockdep_hardirqs_on+0x296/0x5b0
[  832.312809]  ? trace_hardirqs_on+0xbd/0x310
[  832.317130]  ? kasan_check_read+0x11/0x20
[  832.321281]  ? __run_timers+0x7da/0xc70
[  832.325256]  ? trace_hardirqs_off_caller+0x310/0x310
[  832.330377]  ? br_is_root_bridge+0x40/0x40
[  832.334620]  __run_timers+0x7e5/0xc70
[  832.338440]  ? timer_fixup_init+0x70/0x70
[  832.342597]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  832.347630]  ? zap_class+0x640/0x640
[  832.351350]  ? enqueue_hrtimer+0x1a5/0x560
[  832.355591]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  832.360793]  ? find_held_lock+0x36/0x1c0
[  832.364887]  ? zap_class+0x640/0x640
[  832.368624]  ? pvclock_read_flags+0x160/0x160
[  832.373122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.378662]  ? check_preemption_disabled+0x48/0x280
[  832.383688]  ? __lock_is_held+0xb5/0x140
[  832.387754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.393293]  ? check_preemption_disabled+0x48/0x280
[  832.398324]  run_timer_softirq+0x52/0xb0
[  832.402383]  ? rcu_read_lock_sched_held+0x14f/0x180
[  832.407413]  __do_softirq+0x308/0xb7e
[  832.411225]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  832.415721]  ? lock_downgrade+0x900/0x900
[  832.419873]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  832.425033]  ? pvclock_read_flags+0x160/0x160
[  832.429546]  ? lapic_next_event+0x5a/0x90
[  832.433700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.439240]  ? kvm_clock_read+0x18/0x30
[  832.443227]  ? kvm_sched_clock_read+0x9/0x20
[  832.447636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.453175]  ? check_preemption_disabled+0x48/0x280
[  832.458202]  irq_exit+0x17f/0x1c0
[  832.461674]  smp_apic_timer_interrupt+0x1cb/0x760
[  832.466520]  ? smp_reschedule_interrupt+0x109/0x650
[  832.471544]  ? smp_call_function_single_interrupt+0x650/0x650
[  832.477432]  ? interrupt_entry+0xb5/0xc0
[  832.481494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  832.486509]  ? trace_hardirqs_off_caller+0xbb/0x310
[  832.491532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  832.496379]  ? trace_hardirqs_on_caller+0x310/0x310
[  832.501420]  ? trace_hardirqs_on_caller+0x310/0x310
[  832.506468]  ? task_prio+0x50/0x50
[  832.510027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.515568]  ? check_preemption_disabled+0x48/0x280
[  832.520606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  832.525464]  apic_timer_interrupt+0xf/0x20
[  832.529705]  </IRQ>
[  832.531945] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  832.537830] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  832.556731] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  832.564449] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  832.571720] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  832.578983] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  832.586247] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  832.593510] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  832.600807]  ? save_stack+0xa9/0xd0
[  832.604455]  __kmalloc_node_track_caller+0x3c/0x70
[  832.609417]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  832.614186]  pskb_expand_head+0x230/0x10f0
[  832.618455]  ? check_preemption_disabled+0x48/0x280
[  832.623487]  ? memcpy+0x45/0x50
[  832.626769]  ? __copy_skb_header+0x350/0x6b0
[  832.631177]  ? skb_release_data+0x880/0x880
[  832.635498]  ? __alloc_skb+0x770/0x770
[  832.639404]  ? __lock_is_held+0xb5/0x140
[  832.643474]  ? kasan_check_write+0x14/0x20
[  832.647706]  ? __skb_clone+0x6c7/0xa00
[  832.651596]  ? __copy_skb_header+0x6b0/0x6b0
[  832.656030]  ? kmem_cache_alloc+0x33a/0x730
[  832.660359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.665905]  skb_ensure_writable+0x3dd/0x640
[  832.670325]  ? skb_checksum_setup+0xaa0/0xaa0
[  832.674829]  ? preempt_notifier_register+0x200/0x200
[  832.679936]  ? __switch_to_asm+0x34/0x70
[  832.684004]  ? __switch_to_asm+0x34/0x70
[  832.688063]  ? __switch_to_asm+0x40/0x70
[  832.692134]  ? __switch_to_asm+0x34/0x70
[  832.696193]  ? __switch_to_asm+0x40/0x70
[  832.700265]  ? __switch_to_asm+0x40/0x70
[  832.704328]  ? __switch_to_asm+0x34/0x70
[  832.708402]  ? __switch_to_asm+0x34/0x70
[  832.712467]  ? __switch_to_asm+0x40/0x70
[  832.716530]  ? __switch_to_asm+0x34/0x70
[  832.720600]  bpf_clone_redirect+0x14a/0x490
[  832.725080]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  832.730108]  ? __sched_text_start+0x8/0x8
[  832.734260]  ? retint_kernel+0x2d/0x2d
[  832.738174]  ? find_held_lock+0x36/0x1c0
[  832.742257]  ? lock_acquire+0x1ed/0x520
[  832.746248]  ? bpf_test_run+0x3cb/0x780
[  832.750229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.755773]  ? check_preemption_disabled+0x48/0x280
[  832.760796]  ? kasan_check_read+0x11/0x20
[  832.764946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  832.770227]  ? rcu_softirq_qs+0x20/0x20
[  832.774199]  ? preempt_schedule+0x4d/0x60
[  832.778361]  ? ___preempt_schedule+0x16/0x18
[  832.782777]  ? bpf_test_run+0x25d/0x780
[  832.786769]  ? netlink_diag_dump+0x2a0/0x2a0
[  832.791183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  832.796731]  ? bpf_test_init.isra.10+0x70/0x100
[  832.801423]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  832.806195]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  832.811038]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  832.816592]  ? fput+0x130/0x1a0
[  832.819876]  ? __bpf_prog_get+0x9b/0x290
[  832.823951]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  832.828819]  ? bpf_prog_test_run+0x130/0x1a0
[  832.833762]  ? __x64_sys_bpf+0x3d8/0x520
[  832.837841]  ? bpf_prog_get+0x20/0x20
[  832.841668]  ? do_syscall_64+0x1b9/0x820
[  832.845732]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  832.851100]  ? syscall_return_slowpath+0x5e0/0x5e0
[  832.856033]  ? trace_hardirqs_on_caller+0x310/0x310
[  832.861082]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  832.866114]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  832.872782]  ? __switch_to_asm+0x40/0x70
[  832.876843]  ? __switch_to_asm+0x34/0x70
[  832.880918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  832.885774]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  832.891158] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  832.891384] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  832.897841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  832.897850] Call Trace:
[  832.908322] syz-executor0 cpuset=syz0 mems_allowed=0
[  832.917668]  <IRQ>
[  832.927474]  dump_stack+0x244/0x39d
[  832.931108]  ? dump_stack_print_info.cold.1+0x20/0x20
[  832.936313]  warn_alloc.cold.116+0xb7/0x1bd
[  832.940646]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  832.945498]  ? lock_downgrade+0x900/0x900
[  832.949656]  ? trace_hardirqs_off+0xb8/0x310
[  832.954073]  ? trace_hardirqs_off+0xb8/0x310
[  832.958496]  __alloc_pages_slowpath+0x26e8/0x2e10
[  832.963371]  ? warn_alloc+0x120/0x120
[  832.967197]  ? warn_alloc+0x120/0x120
[  832.970997]  ? __lock_acquire+0x62f/0x4c20
[  832.975236]  ? warn_alloc+0x120/0x120
[  832.979040]  ? print_usage_bug+0xc0/0xc0
[  832.983112]  ? print_usage_bug+0xc0/0xc0
[  832.987186]  ? mark_held_locks+0x130/0x130
[  832.991437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  832.996979]  ? should_fail+0x22d/0xd01
[  833.000892]  ? zap_class+0x640/0x640
[  833.004612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  833.009718]  ? __lock_acquire+0x62f/0x4c20
[  833.013972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  833.019079]  ? should_fail+0x22d/0xd01
[  833.022995]  ? mark_held_locks+0x130/0x130
[  833.027233]  ? mark_held_locks+0x130/0x130
[  833.031480]  ? lock_downgrade+0x900/0x900
[  833.035635]  ? zap_class+0x640/0x640
[  833.039349]  ? zap_class+0x640/0x640
[  833.043064]  ? zap_class+0x640/0x640
[  833.046779]  ? do_raw_spin_unlock+0xa7/0x330
[  833.051191]  ? trace_hardirqs_on+0x310/0x310
[  833.055599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.061150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.066699]  ? check_preemption_disabled+0x48/0x280
[  833.071726]  ? __lock_is_held+0xb5/0x140
[  833.075792]  __alloc_pages_nodemask+0xa80/0xde0
[  833.080459]  ? zap_class+0x640/0x640
[  833.084194]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  833.089219]  ? find_held_lock+0x36/0x1c0
[  833.093302]  ? ____cache_alloc_node+0x1c7/0x1e0
[  833.097976]  ? lock_downgrade+0x900/0x900
[  833.102131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.107679]  cache_grow_begin+0xa5/0x8c0
[  833.111741]  ? do_raw_spin_unlock+0xa7/0x330
[  833.116160]  fallback_alloc+0x204/0x2e0
[  833.120140]  ____cache_alloc_node+0x1c7/0x1e0
[  833.124646]  kmem_cache_alloc_node+0xe3/0x730
[  833.129148]  ? lockdep_hardirqs_on+0x296/0x5b0
[  833.133755]  __alloc_skb+0x119/0x770
[  833.137472]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  833.142842]  ? netdev_alloc_frag+0x1f0/0x1f0
[  833.147281]  ? vprintk_default+0x28/0x30
[  833.151356]  ? vprintk_func+0x85/0x181
[  833.155245]  ? printk+0xa7/0xcf
[  833.158555]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  833.163321]  new_skb+0x26/0x1c0
[  833.166604]  aoecmd_cfg+0x279/0x7f0
[  833.170233]  ? find_held_lock+0x36/0x1c0
[  833.174298]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  833.178630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.184183]  ? __lock_is_held+0xb5/0x140
[  833.188261]  discover_timer+0x50/0x60
[  833.192086]  call_timer_fn+0x272/0x920
[  833.195973]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  833.200829]  ? process_timeout+0x40/0x40
[  833.204899]  ? mark_held_locks+0xc7/0x130
[  833.209053]  ? _raw_spin_unlock_irq+0x27/0x80
[  833.213550]  ? _raw_spin_unlock_irq+0x27/0x80
[  833.218057]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  833.222898]  ? lockdep_hardirqs_on+0x296/0x5b0
[  833.227487]  ? trace_hardirqs_on+0xbd/0x310
[  833.231809]  ? kasan_check_read+0x11/0x20
[  833.235955]  ? __run_timers+0x7da/0xc70
[  833.239947]  ? trace_hardirqs_off_caller+0x310/0x310
[  833.245060]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  833.249901]  __run_timers+0x7e5/0xc70
[  833.253712]  ? timer_fixup_init+0x70/0x70
[  833.257865]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  833.262885]  ? zap_class+0x640/0x640
[  833.266609]  ? print_usage_bug+0xc0/0xc0
[  833.270676]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  833.275876]  ? find_held_lock+0x36/0x1c0
[  833.279940]  ? zap_class+0x640/0x640
[  833.283687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.289228]  ? check_preemption_disabled+0x48/0x280
[  833.294281]  ? __lock_is_held+0xb5/0x140
[  833.298346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.303891]  ? check_preemption_disabled+0x48/0x280
[  833.308918]  run_timer_softirq+0x52/0xb0
[  833.312983]  ? rcu_read_lock_sched_held+0x14f/0x180
[  833.318018]  __do_softirq+0x308/0xb7e
[  833.321838]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  833.326337]  ? lock_downgrade+0x900/0x900
[  833.330495]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  833.335607]  ? pvclock_read_flags+0x160/0x160
[  833.340108]  ? lapic_next_event+0x5a/0x90
[  833.344261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.349804]  ? kvm_clock_read+0x18/0x30
[  833.353786]  ? kvm_sched_clock_read+0x9/0x20
[  833.358202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.363742]  ? check_preemption_disabled+0x48/0x280
[  833.368770]  irq_exit+0x17f/0x1c0
[  833.372237]  smp_apic_timer_interrupt+0x1cb/0x760
[  833.377101]  ? smp_reschedule_interrupt+0x109/0x650
[  833.382131]  ? smp_call_function_single_interrupt+0x650/0x650
[  833.388016]  ? interrupt_entry+0xb5/0xc0
[  833.392081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  833.397095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  833.402114]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  833.406960]  ? trace_hardirqs_on_caller+0x310/0x310
[  833.411974]  ? trace_hardirqs_on_caller+0x310/0x310
[  833.416990]  ? task_prio+0x50/0x50
[  833.420532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.426074]  ? check_preemption_disabled+0x48/0x280
[  833.431097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  833.435951]  apic_timer_interrupt+0xf/0x20
[  833.440182]  </IRQ>
[  833.442432] RIP: 0010:dump_stack+0x358/0x39d
[  833.446853] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  833.465755] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  833.473466] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  833.480732] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  833.488003] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  833.495269] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  833.502536] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  833.509820]  ? dump_stack+0x34f/0x39d
[  833.513633]  ? dump_stack_print_info.cold.1+0x20/0x20
[  833.518841]  ? mark_held_locks+0x130/0x130
[  833.523079]  ? mark_held_locks+0x130/0x130
[  833.527322]  dump_header+0x27b/0xf72
[  833.531063]  ? pagefault_out_of_memory+0x197/0x197
[  833.536005]  ? __lock_acquire+0x62f/0x4c20
[  833.540244]  ? percpu_ref_get_many+0x240/0x240
[  833.544829]  ? print_usage_bug+0xc0/0xc0
[  833.548909]  ? zap_class+0x640/0x640
[  833.552625]  ? print_usage_bug+0xc0/0xc0
[  833.556698]  ? print_usage_bug+0xc0/0xc0
[  833.560788]  ? zap_class+0x640/0x640
[  833.564516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.570078]  ? find_held_lock+0x36/0x1c0
[  833.574154]  ? mark_held_locks+0xc7/0x130
[  833.578318]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  833.583462]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  833.588571]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  833.593159]  ? trace_hardirqs_on+0xbd/0x310
[  833.597510]  ? kasan_check_read+0x11/0x20
[  833.601660]  ? ___ratelimit+0x3b4/0x672
[  833.605637]  ? trace_hardirqs_off_caller+0x310/0x310
[  833.610757]  ? trace_hardirqs_on+0x310/0x310
[  833.615190]  ? lock_downgrade+0x900/0x900
[  833.619350]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  833.624462]  ? ___ratelimit+0x3b9/0x672
[  833.628447]  ? idr_get_free+0xf80/0xf80
[  833.632440]  ? find_held_lock+0x36/0x1c0
[  833.636512]  oom_kill_process.cold.27+0x10/0x903
[  833.641269]  ? zap_class+0x640/0x640
[  833.644986]  ? check_preemption_disabled+0x48/0x280
[  833.650012]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  833.654946]  ? kasan_check_read+0x11/0x20
[  833.659096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  833.664375]  ? oom_evaluate_task+0x540/0x540
[  833.668803]  ? find_held_lock+0x36/0x1c0
[  833.672879]  ? out_of_memory+0x974/0x1430
[  833.677041]  ? lock_downgrade+0x900/0x900
[  833.681193]  ? check_preemption_disabled+0x48/0x280
[  833.686220]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  833.691148]  ? kasan_check_read+0x11/0x20
[  833.695296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  833.700576]  ? rcu_softirq_qs+0x20/0x20
[  833.704561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.710139]  ? oom_evaluate_task+0x302/0x540
[  833.714553]  out_of_memory+0xa84/0x1430
[  833.718536]  ? oom_killer_disable+0x3a0/0x3a0
[  833.723033]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  833.727964]  ? __ww_mutex_check_waiters+0x160/0x160
[  833.732991]  __alloc_pages_slowpath+0x2354/0x2e10
[  833.737870]  ? warn_alloc+0x120/0x120
[  833.741669]  ? mark_held_locks+0x130/0x130
[  833.745910]  ? find_get_entry+0xaae/0x1120
[  833.750161]  ? filemap_map_pages+0x1a20/0x1a20
[  833.754751]  ? zap_class+0x640/0x640
[  833.758477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.764020]  ? check_preemption_disabled+0x48/0x280
[  833.769043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.774591]  ? should_fail+0x22d/0xd01
[  833.778485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  833.783593]  ? zap_class+0x640/0x640
[  833.787334]  ? __lock_is_held+0xb5/0x140
[  833.791422]  ? mark_held_locks+0x130/0x130
[  833.795664]  ? lock_release+0xa00/0xa00
[  833.799643]  ? perf_trace_sched_process_exec+0x860/0x860
[  833.805096]  ? xa_load+0x2ba/0x460
[  833.808642]  ? lock_downgrade+0x900/0x900
[  833.812791]  ? __might_sleep+0x95/0x190
[  833.816768]  __alloc_pages_nodemask+0xa80/0xde0
[  833.821454]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  833.826473]  ? __page_cache_alloc+0x191/0x5c0
[  833.830978]  ? xa_load+0x2e1/0x460
[  833.834531]  ? xa_clear_mark+0x40/0x40
[  833.838428]  ? zap_class+0x640/0x640
[  833.842174]  ? zap_class+0x640/0x640
[  833.845886]  ? zap_class+0x640/0x640
[  833.849602]  ? __do_page_cache_readahead+0x663/0x810
[  833.854712]  ? find_held_lock+0x36/0x1c0
[  833.858778]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  833.864315]  alloc_pages_current+0x173/0x350
[  833.868732]  __page_cache_alloc+0x38c/0x5c0
[  833.873057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  833.877986]  ? kasan_check_read+0x11/0x20
[  833.882144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  833.887435]  ? generic_perform_write+0x6a0/0x6a0
[  833.892231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.897772]  ? check_preemption_disabled+0x48/0x280
[  833.902814]  filemap_fault+0x1595/0x25f0
[  833.906889]  ? __lock_page_or_retry+0xa00/0xa00
[  833.911562]  ? mark_held_locks+0x130/0x130
[  833.915810]  ? filemap_map_pages+0xd6b/0x1a20
[  833.920309]  ? lock_downgrade+0x900/0x900
[  833.924474]  ? check_preemption_disabled+0x48/0x280
[  833.929497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  833.934438]  ? kasan_check_read+0x11/0x20
[  833.938588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  833.943876]  ? rcu_softirq_qs+0x20/0x20
[  833.947891]  ? filemap_map_pages+0xd92/0x1a20
[  833.952424]  ? find_get_entries_tag+0x1400/0x1400
[  833.957277]  ? debug_object_destroy+0x2b0/0x2b0
[  833.961960]  ? lock_pi_update_atomic+0x150/0x150
[  833.966715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.972278]  ? lock_acquire+0x1ed/0x520
[  833.976258]  ? ext4_filemap_fault+0x7a/0xad
[  833.980587]  ? lock_release+0xa00/0xa00
[  833.984573]  ? perf_trace_sched_process_exec+0x860/0x860
[  833.990025]  ? print_usage_bug+0xc0/0xc0
[  833.994111]  ? print_usage_bug+0xc0/0xc0
[  833.998186]  ? down_read+0x8d/0x120
[  834.001813]  ? ext4_filemap_fault+0x7a/0xad
[  834.006147]  ? __down_interruptible+0x700/0x700
[  834.010839]  ext4_filemap_fault+0x82/0xad
[  834.014988]  __do_fault+0x100/0x6b0
[  834.018612]  ? find_held_lock+0x36/0x1c0
[  834.022677]  ? pmd_devmap_trans_unstable+0x220/0x220
[  834.027785]  ? mark_held_locks+0x130/0x130
[  834.032025]  ? mark_held_locks+0x130/0x130
[  834.036260]  ? _raw_spin_unlock_irq+0x27/0x80
[  834.040772]  ? _raw_spin_unlock_irq+0x27/0x80
[  834.045272]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  834.049864]  ? kasan_check_read+0x11/0x20
[  834.054012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.059573]  __handle_mm_fault+0x3ea6/0x5be0
[  834.063993]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  834.068841]  ? finish_task_switch+0x1f4/0x910
[  834.073338]  ? finish_task_switch+0x1b4/0x910
[  834.077834]  ? __switch_to_asm+0x34/0x70
[  834.081901]  ? preempt_notifier_register+0x200/0x200
[  834.087003]  ? __switch_to_asm+0x34/0x70
[  834.091068]  ? __switch_to_asm+0x34/0x70
[  834.095144]  ? zap_class+0x640/0x640
[  834.098856]  ? zap_class+0x640/0x640
[  834.102575]  ? __x64_sys_futex+0x53e/0x6a0
[  834.106817]  ? find_held_lock+0x36/0x1c0
[  834.110893]  ? handle_mm_fault+0x42a/0xc70
[  834.115133]  ? lock_downgrade+0x900/0x900
[  834.119285]  ? check_preemption_disabled+0x48/0x280
[  834.124308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  834.129237]  ? kasan_check_read+0x11/0x20
[  834.133384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  834.138676]  ? rcu_softirq_qs+0x20/0x20
[  834.142654]  ? trace_hardirqs_off_caller+0x310/0x310
[  834.147761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.153300]  ? check_preemption_disabled+0x48/0x280
[  834.158329]  handle_mm_fault+0x54f/0xc70
[  834.162406]  ? __handle_mm_fault+0x5be0/0x5be0
[  834.167003]  ? find_vma+0x34/0x190
[  834.170554]  __do_page_fault+0x5e8/0xe60
[  834.174626]  ? trace_hardirqs_off+0xb8/0x310
[  834.179046]  do_page_fault+0xf2/0x7e0
[  834.182854]  ? vmalloc_sync_all+0x30/0x30
[  834.187006]  ? error_entry+0x70/0xd0
[  834.190721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  834.195741]  ? trace_hardirqs_on_caller+0xc0/0x310
[  834.200672]  ? syscall_return_slowpath+0x5e0/0x5e0
[  834.205602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  834.210451]  ? trace_hardirqs_on_caller+0x310/0x310
[  834.215470]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  834.220924]  ? prepare_exit_to_usermode+0x291/0x3b0
[  834.225947]  ? page_fault+0x8/0x30
[  834.229491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  834.234349]  ? page_fault+0x8/0x30
[  834.237940]  page_fault+0x1e/0x30
[  834.241402] RIP: 0033:0x45ddf3
[  834.244615] Code: Bad RIP value.
[  834.247975] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  834.253334] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  834.260598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  834.267865] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  834.275130] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  834.282401] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  834.289699] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  834.289704] warn_alloc_show_mem: 1 callbacks suppressed
[  834.289712] Mem-Info:
[  834.296723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  834.296732] Call Trace:
[  834.302107] active_anon:53034 inactive_anon:131 isolated_anon:0
[  834.302107]  active_file:14 inactive_file:14 isolated_file:0
[  834.302107]  unevictable:0 dirty:0 writeback:0 unstable:0
[  834.302107]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  834.302107]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  834.302107]  free:13749 free_pcp:564 free_cma:0
[  834.304488]  <IRQ>
[  834.313854] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  834.316457]  dump_stack+0x244/0x39d
[  834.349439] 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
[  834.351591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  834.378976] lowmem_reserve[]: 0 2818 6321 6321
[  834.382618]  warn_alloc.cold.116+0xb7/0x1bd
[  834.408694] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  834.413885]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  834.418436] lowmem_reserve[]: 0 0 3503 3503
[  834.422769]  ? lock_downgrade+0x900/0x900
[  834.450243] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  834.455092]  ? trace_hardirqs_off+0xb8/0x310
[  834.459387] lowmem_reserve[]: 0 0 0 0
[  834.463545]  ? trace_hardirqs_off+0xb8/0x310
[  834.492592] 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
[  834.497006]  __alloc_pages_slowpath+0x26e8/0x2e10
[  834.500777] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  834.505211]  ? warn_alloc+0x120/0x120
[  834.518697] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  834.523539]  ? warn_alloc+0x120/0x120
[  834.538695] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  834.542524]  ? warn_alloc+0x120/0x120
[  834.557938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  834.561734]  ? print_usage_bug+0xc0/0xc0
[  834.570561] 166 total pagecache pages
[  834.574356]  ? print_usage_bug+0xc0/0xc0
[  834.582914] 0 pages in swap cache
[  834.586966]  ? print_usage_bug+0xc0/0xc0
[  834.590759] Swap cache stats: add 0, delete 0, find 0/0
[  834.594817]  ? mark_held_locks+0x130/0x130
[  834.598245] Free swap  = 0kB
[  834.602299]  ? check_preemption_disabled+0x48/0x280
[  834.607635] Total swap = 0kB
[  834.611866]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  834.614864] 1965979 pages RAM
[  834.619874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.622870] 0 pages HighMem/MovableOnly
[  834.627358]  ? should_fail+0x22d/0xd01
[  834.630453] 342858 pages reserved
[  834.635985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  834.639936] 0 pages cma reserved
[  834.643818]  ? __lock_acquire+0x62f/0x4c20
[  834.647304] aoe: skb alloc failure
[  834.652346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  834.652359]  ? __lock_acquire+0x62f/0x4c20
[  834.652371]  ? should_fail+0x22d/0xd01
[  834.652405]  ? mark_held_locks+0x130/0x130
[  834.655784] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  834.659984]  ? mark_held_locks+0x130/0x130
[  834.663506] syz-fuzzer cpuset=/ mems_allowed=0
[  834.668607]  ? try_to_wake_up+0x11c/0x1490
[  834.704157]  ? lock_downgrade+0x900/0x900
[  834.708314]  ? zap_class+0x640/0x640
[  834.712043]  ? print_usage_bug+0xc0/0xc0
[  834.716103]  ? trace_hardirqs_off+0xb8/0x310
[  834.720510]  ? kasan_check_read+0x11/0x20
[  834.724842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.730408]  ? check_preemption_disabled+0x48/0x280
[  834.735448]  ? __lock_is_held+0xb5/0x140
[  834.739516]  __alloc_pages_nodemask+0xa80/0xde0
[  834.744185]  ? zap_class+0x640/0x640
[  834.747904]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  834.752941]  ? find_held_lock+0x36/0x1c0
[  834.757025]  ? ____cache_alloc_node+0x1c7/0x1e0
[  834.761697]  ? lock_downgrade+0x900/0x900
[  834.765866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.771432]  cache_grow_begin+0xa5/0x8c0
[  834.775511]  ? do_raw_spin_unlock+0xa7/0x330
[  834.779935]  fallback_alloc+0x204/0x2e0
[  834.783922]  ____cache_alloc_node+0x1c7/0x1e0
[  834.788426]  kmem_cache_alloc_node+0xe3/0x730
[  834.792923]  ? ipv6_get_ifaddr+0x42e/0x620
[  834.797179]  __alloc_skb+0x119/0x770
[  834.800927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  834.806205]  ? netdev_alloc_frag+0x1f0/0x1f0
[  834.810637]  ? lock_downgrade+0x900/0x900
[  834.814794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.820329]  ? refcount_sub_and_test_checked+0x203/0x310
[  834.825795]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  834.831717]  ? addrconf_rs_timer+0x690/0x690
[  834.836141]  ndisc_alloc_skb+0x144/0x340
[  834.840206]  ndisc_send_rs+0x331/0x6e0
[  834.844098]  addrconf_rs_timer+0x314/0x690
[  834.848335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.852595]  call_timer_fn+0x272/0x920
[  834.856482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.860733]  ? process_timeout+0x40/0x40
[  834.864805]  ? __run_timers+0x7da/0xc70
[  834.868781]  ? _raw_spin_unlock_irq+0x27/0x80
[  834.873292]  ? _raw_spin_unlock_irq+0x27/0x80
[  834.877785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.882022]  ? lockdep_hardirqs_on+0x296/0x5b0
[  834.886607]  ? trace_hardirqs_on+0xbd/0x310
[  834.890933]  ? kasan_check_read+0x11/0x20
[  834.895082]  ? __run_timers+0x7da/0xc70
[  834.899057]  ? trace_hardirqs_off_caller+0x310/0x310
[  834.904178]  ? __queue_work+0x1440/0x1440
[  834.908340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.912576]  __run_timers+0x7e5/0xc70
[  834.916388]  ? timer_fixup_init+0x70/0x70
[  834.920546]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  834.925565]  ? zap_class+0x640/0x640
[  834.929283]  ? enqueue_hrtimer+0x1a5/0x560
[  834.933520]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  834.938719]  ? find_held_lock+0x36/0x1c0
[  834.942788]  ? zap_class+0x640/0x640
[  834.946510]  ? pvclock_read_flags+0x160/0x160
[  834.951011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.956565]  ? check_preemption_disabled+0x48/0x280
[  834.961593]  ? __lock_is_held+0xb5/0x140
[  834.965659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.971210]  ? check_preemption_disabled+0x48/0x280
[  834.976238]  run_timer_softirq+0x52/0xb0
[  834.980300]  ? rcu_read_lock_sched_held+0x14f/0x180
[  834.985325]  __do_softirq+0x308/0xb7e
[  834.989126]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  834.993623]  ? lock_downgrade+0x900/0x900
[  834.997775]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  835.002890]  ? pvclock_read_flags+0x160/0x160
[  835.007418]  ? lapic_next_event+0x5a/0x90
[  835.011587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.017131]  ? kvm_clock_read+0x18/0x30
[  835.021107]  ? kvm_sched_clock_read+0x9/0x20
[  835.025522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.031060]  ? check_preemption_disabled+0x48/0x280
[  835.036085]  irq_exit+0x17f/0x1c0
[  835.039544]  smp_apic_timer_interrupt+0x1cb/0x760
[  835.044391]  ? smp_reschedule_interrupt+0x109/0x650
[  835.049434]  ? smp_call_function_single_interrupt+0x650/0x650
[  835.055326]  ? interrupt_entry+0xb5/0xc0
[  835.059390]  ? trace_hardirqs_off_caller+0xbb/0x310
[  835.064422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  835.069444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  835.074289]  ? trace_hardirqs_on_caller+0x310/0x310
[  835.079306]  ? trace_hardirqs_on_caller+0x310/0x310
[  835.084324]  ? task_prio+0x50/0x50
[  835.087867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.093414]  ? check_preemption_disabled+0x48/0x280
[  835.098466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  835.103330]  apic_timer_interrupt+0xf/0x20
[  835.107557]  </IRQ>
[  835.109798] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  835.115682] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  835.134592] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  835.142298] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  835.149568] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  835.156832] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  835.164098] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  835.171366] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  835.178670]  ? save_stack+0xa9/0xd0
[  835.182322]  __kmalloc_node_track_caller+0x3c/0x70
[  835.187270]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  835.192035]  pskb_expand_head+0x230/0x10f0
[  835.196272]  ? check_preemption_disabled+0x48/0x280
[  835.201290]  ? memcpy+0x45/0x50
[  835.204578]  ? __copy_skb_header+0x350/0x6b0
[  835.208986]  ? skb_release_data+0x880/0x880
[  835.213326]  ? __alloc_skb+0x770/0x770
[  835.217222]  ? __lock_is_held+0xb5/0x140
[  835.221288]  ? kasan_check_write+0x14/0x20
[  835.225518]  ? __skb_clone+0x6c7/0xa00
[  835.229440]  ? __copy_skb_header+0x6b0/0x6b0
[  835.233862]  ? kmem_cache_alloc+0x33a/0x730
[  835.238181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.243721]  skb_ensure_writable+0x3dd/0x640
[  835.248131]  ? skb_checksum_setup+0xaa0/0xaa0
[  835.252660]  ? preempt_notifier_register+0x200/0x200
[  835.257765]  ? __switch_to_asm+0x34/0x70
[  835.261828]  ? __switch_to_asm+0x34/0x70
[  835.265888]  ? __switch_to_asm+0x40/0x70
[  835.269963]  ? __switch_to_asm+0x34/0x70
[  835.274019]  ? __switch_to_asm+0x40/0x70
[  835.278080]  ? __switch_to_asm+0x40/0x70
[  835.282143]  ? __switch_to_asm+0x34/0x70
[  835.286203]  ? __switch_to_asm+0x34/0x70
[  835.290265]  ? __switch_to_asm+0x40/0x70
[  835.294326]  ? __switch_to_asm+0x34/0x70
[  835.298403]  bpf_clone_redirect+0x14a/0x490
[  835.302738]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  835.307757]  ? __sched_text_start+0x8/0x8
[  835.311938]  ? retint_kernel+0x2d/0x2d
[  835.315835]  ? find_held_lock+0x36/0x1c0
[  835.319918]  ? lock_acquire+0x1ed/0x520
[  835.323906]  ? bpf_test_run+0x3cb/0x780
[  835.327901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.333451]  ? check_preemption_disabled+0x48/0x280
[  835.338479]  ? kasan_check_read+0x11/0x20
[  835.342633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  835.347918]  ? rcu_softirq_qs+0x20/0x20
[  835.351898]  ? preempt_schedule+0x4d/0x60
[  835.356065]  ? ___preempt_schedule+0x16/0x18
[  835.360481]  ? bpf_test_run+0x25d/0x780
[  835.364472]  ? netlink_diag_dump+0x2a0/0x2a0
[  835.368889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.374442]  ? bpf_test_init.isra.10+0x70/0x100
[  835.379121]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  835.383886]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  835.388743]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  835.394304]  ? fput+0x130/0x1a0
[  835.397590]  ? __bpf_prog_get+0x9b/0x290
[  835.401655]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  835.406508]  ? bpf_prog_test_run+0x130/0x1a0
[  835.410927]  ? __x64_sys_bpf+0x3d8/0x520
[  835.415001]  ? bpf_prog_get+0x20/0x20
[  835.418839]  ? do_syscall_64+0x1b9/0x820
[  835.422918]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  835.428288]  ? syscall_return_slowpath+0x5e0/0x5e0
[  835.433223]  ? trace_hardirqs_on_caller+0x310/0x310
[  835.438247]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  835.443272]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  835.449942]  ? __switch_to_asm+0x40/0x70
[  835.454003]  ? __switch_to_asm+0x34/0x70
[  835.458073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  835.462939]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  835.468328] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  835.468409] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  835.475003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  835.475013] Call Trace:
[  835.481617] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  835.490854]  <IRQ>
[  835.493438] syz-executor0 cpuset=syz0 mems_allowed=0
[  835.503927]  dump_stack+0x244/0x39d
[  835.514777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  835.519984]  warn_alloc.cold.116+0xb7/0x1bd
[  835.524323]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  835.529169]  ? lock_downgrade+0x900/0x900
[  835.533330]  ? trace_hardirqs_off+0xb8/0x310
[  835.537744]  ? trace_hardirqs_off+0xb8/0x310
[  835.542161]  __alloc_pages_slowpath+0x26e8/0x2e10
[  835.547033]  ? warn_alloc+0x120/0x120
[  835.550840]  ? warn_alloc+0x120/0x120
[  835.554642]  ? __lock_acquire+0x62f/0x4c20
[  835.558878]  ? warn_alloc+0x120/0x120
[  835.562682]  ? print_usage_bug+0xc0/0xc0
[  835.566752]  ? print_usage_bug+0xc0/0xc0
[  835.570823]  ? mark_held_locks+0x130/0x130
[  835.575066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.580604]  ? should_fail+0x22d/0xd01
[  835.584504]  ? zap_class+0x640/0x640
[  835.588225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  835.593328]  ? __lock_acquire+0x62f/0x4c20
[  835.597565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  835.602669]  ? should_fail+0x22d/0xd01
[  835.606573]  ? mark_held_locks+0x130/0x130
[  835.610815]  ? mark_held_locks+0x130/0x130
[  835.615065]  ? lock_downgrade+0x900/0x900
[  835.619217]  ? zap_class+0x640/0x640
[  835.622932]  ? zap_class+0x640/0x640
[  835.626648]  ? zap_class+0x640/0x640
[  835.630370]  ? do_raw_spin_unlock+0xa7/0x330
[  835.634790]  ? trace_hardirqs_on+0x310/0x310
[  835.639198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.644739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.650306]  ? check_preemption_disabled+0x48/0x280
[  835.655333]  ? __lock_is_held+0xb5/0x140
[  835.659427]  __alloc_pages_nodemask+0xa80/0xde0
[  835.664098]  ? zap_class+0x640/0x640
[  835.667822]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  835.672848]  ? find_held_lock+0x36/0x1c0
[  835.676925]  ? ____cache_alloc_node+0x1c7/0x1e0
[  835.681599]  ? lock_downgrade+0x900/0x900
[  835.685770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.691343]  cache_grow_begin+0xa5/0x8c0
[  835.695437]  ? do_raw_spin_unlock+0xa7/0x330
[  835.699856]  fallback_alloc+0x204/0x2e0
[  835.703841]  ____cache_alloc_node+0x1c7/0x1e0
[  835.708385]  kmem_cache_alloc_node+0xe3/0x730
[  835.712897]  ? lockdep_hardirqs_on+0x296/0x5b0
[  835.717518]  __alloc_skb+0x119/0x770
[  835.721247]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  835.726622]  ? netdev_alloc_frag+0x1f0/0x1f0
[  835.731043]  ? vprintk_default+0x28/0x30
[  835.735130]  ? vprintk_func+0x85/0x181
[  835.739018]  ? printk+0xa7/0xcf
[  835.742314]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  835.747077]  new_skb+0x26/0x1c0
[  835.750359]  aoecmd_cfg+0x279/0x7f0
[  835.753988]  ? find_held_lock+0x36/0x1c0
[  835.758054]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  835.762382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.767959]  ? __lock_is_held+0xb5/0x140
[  835.772032]  discover_timer+0x50/0x60
[  835.775830]  call_timer_fn+0x272/0x920
[  835.779719]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  835.784575]  ? process_timeout+0x40/0x40
[  835.788651]  ? mark_held_locks+0xc7/0x130
[  835.792803]  ? _raw_spin_unlock_irq+0x27/0x80
[  835.797301]  ? _raw_spin_unlock_irq+0x27/0x80
[  835.801797]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  835.806657]  ? lockdep_hardirqs_on+0x296/0x5b0
[  835.811239]  ? trace_hardirqs_on+0xbd/0x310
[  835.815560]  ? kasan_check_read+0x11/0x20
[  835.819704]  ? __run_timers+0x7da/0xc70
[  835.823692]  ? trace_hardirqs_off_caller+0x310/0x310
[  835.828806]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  835.833657]  __run_timers+0x7e5/0xc70
[  835.837472]  ? timer_fixup_init+0x70/0x70
[  835.841623]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  835.846639]  ? zap_class+0x640/0x640
[  835.850377]  ? print_usage_bug+0xc0/0xc0
[  835.854473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  835.859672]  ? find_held_lock+0x36/0x1c0
[  835.863769]  ? zap_class+0x640/0x640
[  835.867488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.873028]  ? check_preemption_disabled+0x48/0x280
[  835.878066]  ? __lock_is_held+0xb5/0x140
[  835.882132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.887674]  ? check_preemption_disabled+0x48/0x280
[  835.892706]  run_timer_softirq+0x52/0xb0
[  835.896766]  ? rcu_read_lock_sched_held+0x14f/0x180
[  835.901785]  __do_softirq+0x308/0xb7e
[  835.905591]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  835.910087]  ? lock_downgrade+0x900/0x900
[  835.914253]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  835.919376]  ? pvclock_read_flags+0x160/0x160
[  835.923890]  ? lapic_next_event+0x5a/0x90
[  835.928045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.933592]  ? kvm_clock_read+0x18/0x30
[  835.937568]  ? kvm_sched_clock_read+0x9/0x20
[  835.941981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.947528]  ? check_preemption_disabled+0x48/0x280
[  835.952556]  irq_exit+0x17f/0x1c0
[  835.956010]  smp_apic_timer_interrupt+0x1cb/0x760
[  835.960869]  ? smp_reschedule_interrupt+0x109/0x650
[  835.965891]  ? smp_call_function_single_interrupt+0x650/0x650
[  835.971777]  ? interrupt_entry+0xb5/0xc0
[  835.975843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  835.980893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  835.985921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  835.990782]  ? trace_hardirqs_on_caller+0x310/0x310
[  835.995812]  ? trace_hardirqs_on_caller+0x310/0x310
[  836.000832]  ? task_prio+0x50/0x50
[  836.004385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.009949]  ? check_preemption_disabled+0x48/0x280
[  836.014998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  836.019865]  apic_timer_interrupt+0xf/0x20
[  836.024095]  </IRQ>
[  836.026335] RIP: 0010:dump_stack+0x358/0x39d
[  836.030744] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  836.049645] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  836.057376] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  836.064660] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  836.071928] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  836.079207] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  836.086477] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  836.093772]  ? dump_stack+0x34f/0x39d
[  836.097582]  ? dump_stack_print_info.cold.1+0x20/0x20
[  836.102779]  ? mark_held_locks+0x130/0x130
[  836.107016]  ? mark_held_locks+0x130/0x130
[  836.111258]  dump_header+0x27b/0xf72
[  836.114985]  ? pagefault_out_of_memory+0x197/0x197
[  836.119934]  ? __lock_acquire+0x62f/0x4c20
[  836.124169]  ? percpu_ref_get_many+0x240/0x240
[  836.128770]  ? print_usage_bug+0xc0/0xc0
[  836.132843]  ? zap_class+0x640/0x640
[  836.136572]  ? print_usage_bug+0xc0/0xc0
[  836.140636]  ? print_usage_bug+0xc0/0xc0
[  836.144699]  ? zap_class+0x640/0x640
[  836.148438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.153983]  ? find_held_lock+0x36/0x1c0
[  836.158079]  ? mark_held_locks+0xc7/0x130
[  836.162246]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  836.167378]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  836.172514]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  836.177103]  ? trace_hardirqs_on+0xbd/0x310
[  836.181439]  ? kasan_check_read+0x11/0x20
[  836.185592]  ? ___ratelimit+0x3b4/0x672
[  836.189570]  ? trace_hardirqs_off_caller+0x310/0x310
[  836.194679]  ? trace_hardirqs_on+0x310/0x310
[  836.199091]  ? lock_downgrade+0x900/0x900
[  836.203246]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  836.208352]  ? ___ratelimit+0x3b9/0x672
[  836.212328]  ? idr_get_free+0xf80/0xf80
[  836.216308]  ? find_held_lock+0x36/0x1c0
[  836.220390]  oom_kill_process.cold.27+0x10/0x903
[  836.225179]  ? zap_class+0x640/0x640
[  836.228921]  ? check_preemption_disabled+0x48/0x280
[  836.233956]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  836.238883]  ? kasan_check_read+0x11/0x20
[  836.243033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.248328]  ? oom_evaluate_task+0x540/0x540
[  836.252738]  ? find_held_lock+0x36/0x1c0
[  836.256876]  ? out_of_memory+0x974/0x1430
[  836.261032]  ? lock_downgrade+0x900/0x900
[  836.265178]  ? check_preemption_disabled+0x48/0x280
[  836.270197]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  836.275135]  ? kasan_check_read+0x11/0x20
[  836.279287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.284564]  ? rcu_softirq_qs+0x20/0x20
[  836.288543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.294079]  ? oom_evaluate_task+0x302/0x540
[  836.298501]  out_of_memory+0xa84/0x1430
[  836.302493]  ? oom_killer_disable+0x3a0/0x3a0
[  836.306995]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  836.311927]  ? __ww_mutex_check_waiters+0x160/0x160
[  836.316959]  __alloc_pages_slowpath+0x2354/0x2e10
[  836.321835]  ? warn_alloc+0x120/0x120
[  836.325636]  ? mark_held_locks+0x130/0x130
[  836.329883]  ? find_get_entry+0xaae/0x1120
[  836.334134]  ? filemap_map_pages+0x1a20/0x1a20
[  836.338729]  ? zap_class+0x640/0x640
[  836.342455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.347994]  ? check_preemption_disabled+0x48/0x280
[  836.353012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.358550]  ? should_fail+0x22d/0xd01
[  836.362453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  836.367559]  ? zap_class+0x640/0x640
[  836.371305]  ? __lock_is_held+0xb5/0x140
[  836.375375]  ? mark_held_locks+0x130/0x130
[  836.379643]  ? lock_release+0xa00/0xa00
[  836.383632]  ? perf_trace_sched_process_exec+0x860/0x860
[  836.389091]  ? xa_load+0x2ba/0x460
[  836.392659]  ? lock_downgrade+0x900/0x900
[  836.396816]  ? __might_sleep+0x95/0x190
[  836.400800]  __alloc_pages_nodemask+0xa80/0xde0
[  836.405477]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  836.410496]  ? __page_cache_alloc+0x191/0x5c0
[  836.414988]  ? xa_load+0x2e1/0x460
[  836.418552]  ? xa_clear_mark+0x40/0x40
[  836.422460]  ? zap_class+0x640/0x640
[  836.426182]  ? zap_class+0x640/0x640
[  836.429910]  ? zap_class+0x640/0x640
[  836.433625]  ? __do_page_cache_readahead+0x663/0x810
[  836.438747]  ? find_held_lock+0x36/0x1c0
[  836.442817]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  836.448356]  alloc_pages_current+0x173/0x350
[  836.452772]  __page_cache_alloc+0x38c/0x5c0
[  836.457095]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  836.462026]  ? kasan_check_read+0x11/0x20
[  836.466177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.471476]  ? generic_perform_write+0x6a0/0x6a0
[  836.476236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.481783]  ? check_preemption_disabled+0x48/0x280
[  836.486806]  filemap_fault+0x1595/0x25f0
[  836.490884]  ? __lock_page_or_retry+0xa00/0xa00
[  836.495560]  ? mark_held_locks+0x130/0x130
[  836.499803]  ? filemap_map_pages+0xd6b/0x1a20
[  836.504298]  ? lock_downgrade+0x900/0x900
[  836.508447]  ? check_preemption_disabled+0x48/0x280
[  836.513480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  836.518419]  ? kasan_check_read+0x11/0x20
[  836.522567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.527842]  ? rcu_softirq_qs+0x20/0x20
[  836.531834]  ? filemap_map_pages+0xd92/0x1a20
[  836.536343]  ? find_get_entries_tag+0x1400/0x1400
[  836.541200]  ? debug_object_destroy+0x2b0/0x2b0
[  836.545875]  ? lock_pi_update_atomic+0x150/0x150
[  836.550638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.556185]  ? lock_acquire+0x1ed/0x520
[  836.560171]  ? ext4_filemap_fault+0x7a/0xad
[  836.564498]  ? lock_release+0xa00/0xa00
[  836.568473]  ? perf_trace_sched_process_exec+0x860/0x860
[  836.573923]  ? print_usage_bug+0xc0/0xc0
[  836.577992]  ? print_usage_bug+0xc0/0xc0
[  836.582085]  ? down_read+0x8d/0x120
[  836.585734]  ? ext4_filemap_fault+0x7a/0xad
[  836.590057]  ? __down_interruptible+0x700/0x700
[  836.594740]  ext4_filemap_fault+0x82/0xad
[  836.598891]  __do_fault+0x100/0x6b0
[  836.602516]  ? find_held_lock+0x36/0x1c0
[  836.606577]  ? pmd_devmap_trans_unstable+0x220/0x220
[  836.611685]  ? mark_held_locks+0x130/0x130
[  836.615952]  ? mark_held_locks+0x130/0x130
[  836.620188]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.624690]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.629198]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  836.633783]  ? kasan_check_read+0x11/0x20
[  836.637949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.643496]  __handle_mm_fault+0x3ea6/0x5be0
[  836.647920]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  836.652780]  ? finish_task_switch+0x1f4/0x910
[  836.657287]  ? finish_task_switch+0x1b4/0x910
[  836.661783]  ? __switch_to_asm+0x34/0x70
[  836.665861]  ? preempt_notifier_register+0x200/0x200
[  836.670976]  ? __switch_to_asm+0x34/0x70
[  836.675044]  ? __switch_to_asm+0x34/0x70
[  836.679122]  ? zap_class+0x640/0x640
[  836.682835]  ? zap_class+0x640/0x640
[  836.686546]  ? __x64_sys_futex+0x53e/0x6a0
[  836.690789]  ? find_held_lock+0x36/0x1c0
[  836.694861]  ? handle_mm_fault+0x42a/0xc70
[  836.699096]  ? lock_downgrade+0x900/0x900
[  836.703241]  ? check_preemption_disabled+0x48/0x280
[  836.708264]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  836.713195]  ? kasan_check_read+0x11/0x20
[  836.717364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.723169]  ? rcu_softirq_qs+0x20/0x20
[  836.727159]  ? trace_hardirqs_off_caller+0x310/0x310
[  836.732263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.737803]  ? check_preemption_disabled+0x48/0x280
[  836.742857]  handle_mm_fault+0x54f/0xc70
[  836.746947]  ? __handle_mm_fault+0x5be0/0x5be0
[  836.751532]  ? find_vma+0x34/0x190
[  836.755077]  __do_page_fault+0x5e8/0xe60
[  836.759136]  ? trace_hardirqs_off+0xb8/0x310
[  836.763557]  do_page_fault+0xf2/0x7e0
[  836.767360]  ? vmalloc_sync_all+0x30/0x30
[  836.771506]  ? error_entry+0x70/0xd0
[  836.775223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  836.780251]  ? trace_hardirqs_on_caller+0xc0/0x310
[  836.785181]  ? syscall_return_slowpath+0x5e0/0x5e0
[  836.790113]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  836.794956]  ? trace_hardirqs_on_caller+0x310/0x310
[  836.799970]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  836.805439]  ? prepare_exit_to_usermode+0x291/0x3b0
[  836.810456]  ? page_fault+0x8/0x30
[  836.814036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  836.818886]  ? page_fault+0x8/0x30
[  836.822437]  page_fault+0x1e/0x30
[  836.825904] RIP: 0033:0x45ddf3
[  836.829111] Code: Bad RIP value.
[  836.832652] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  836.838013] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  836.845286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  836.852554] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  836.859820] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  836.867104] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  836.874433] warn_alloc_show_mem: 1 callbacks suppressed
[  836.874444] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  836.874446] Mem-Info:
[  836.874476] active_anon:53034 inactive_anon:131 isolated_anon:0
[  836.874476]  active_file:14 inactive_file:14 isolated_file:0
[  836.874476]  unevictable:0 dirty:0 writeback:0 unstable:0
[  836.874476]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  836.874476]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  836.874476]  free:13749 free_pcp:564 free_cma:0
[  836.879818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  836.886836] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  836.889233] Call Trace:
[  836.922190] 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
[  836.931535]  <IRQ>
[  836.958954] lowmem_reserve[]: 0 2818 6321 6321
[  836.961542]  dump_stack+0x244/0x39d
[  836.987631] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  836.989786]  ? dump_stack_print_info.cold.1+0x20/0x20
[  836.994339] lowmem_reserve[]: 0 0 3503 3503
[  836.997980]  warn_alloc.cold.116+0xb7/0x1bd
[  837.025450] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  837.030641]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  837.034935] lowmem_reserve[]: 0 0 0 0
[  837.039265]  ? lock_downgrade+0x900/0x900
[  837.068318] 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
[  837.073167]  ? trace_hardirqs_off+0xb8/0x310
[  837.076944] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  837.081089]  ? trace_hardirqs_off+0xb8/0x310
[  837.094591] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  837.099007]  __alloc_pages_slowpath+0x26e8/0x2e10
[  837.114159] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  837.118579]  ? warn_alloc+0x120/0x120
[  837.133976] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  837.138829]  ? print_usage_bug+0xc0/0xc0
[  837.147645] 166 total pagecache pages
[  837.151470]  ? warn_alloc+0x120/0x120
[  837.160042] 0 pages in swap cache
[  837.164091]  ? warn_alloc+0x120/0x120
[  837.167873] Swap cache stats: add 0, delete 0, find 0/0
[  837.171665]  ? print_usage_bug+0xc0/0xc0
[  837.175095] Free swap  = 0kB
[  837.178902]  ? kvm_clock_read+0x18/0x30
[  837.184244] Total swap = 0kB
[  837.188299]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  837.191294] 1965979 pages RAM
[  837.195262]  ? print_usage_bug+0xc0/0xc0
[  837.198262] 0 pages HighMem/MovableOnly
[  837.203271]  ? __lock_acquire+0x62f/0x4c20
[  837.206371] 342858 pages reserved
[  837.210443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.214393] 0 pages cma reserved
[  837.218643]  ? should_fail+0x22d/0xd01
[  837.222128] aoe: skb alloc failure
[  837.227602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.227621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  837.227641]  ? __lock_acquire+0x62f/0x4c20
[  837.231020] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  837.234877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  837.238416] syz-fuzzer cpuset=/ mems_allowed=0
[  837.243687]  ? __lock_acquire+0x62f/0x4c20
[  837.277081]  ? should_fail+0x22d/0xd01
[  837.280965]  ? rcu_irq_exit+0x1a2/0x390
[  837.284956]  ? mark_held_locks+0x130/0x130
[  837.289197]  ? mark_held_locks+0x130/0x130
[  837.293443]  ? mark_held_locks+0xc7/0x130
[  837.297594]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  837.302611]  ? zap_class+0x640/0x640
[  837.306329]  ? print_usage_bug+0xc0/0xc0
[  837.310407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.315969]  ? check_preemption_disabled+0x48/0x280
[  837.320999]  ? __lock_is_held+0xb5/0x140
[  837.325071]  __alloc_pages_nodemask+0xa80/0xde0
[  837.329757]  ? zap_class+0x640/0x640
[  837.333494]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  837.338526]  ? find_held_lock+0x36/0x1c0
[  837.342603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  837.347274]  ? lock_downgrade+0x900/0x900
[  837.351434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.356992]  cache_grow_begin+0xa5/0x8c0
[  837.361056]  ? do_raw_spin_unlock+0xa7/0x330
[  837.365489]  fallback_alloc+0x204/0x2e0
[  837.369470]  ____cache_alloc_node+0x1c7/0x1e0
[  837.373983]  kmem_cache_alloc_node+0xe3/0x730
[  837.378479]  ? ipv6_get_ifaddr+0x42e/0x620
[  837.382729]  __alloc_skb+0x119/0x770
[  837.386441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.391727]  ? netdev_alloc_frag+0x1f0/0x1f0
[  837.396134]  ? lock_downgrade+0x900/0x900
[  837.400290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.405830]  ? refcount_sub_and_test_checked+0x203/0x310
[  837.411285]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  837.416737]  ? addrconf_rs_timer+0x690/0x690
[  837.421163]  ndisc_alloc_skb+0x144/0x340
[  837.425242]  ndisc_send_rs+0x331/0x6e0
[  837.429137]  addrconf_rs_timer+0x314/0x690
[  837.433381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  837.437638]  call_timer_fn+0x272/0x920
[  837.441527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  837.445763]  ? process_timeout+0x40/0x40
[  837.449838]  ? __run_timers+0x7da/0xc70
[  837.453815]  ? _raw_spin_unlock_irq+0x27/0x80
[  837.458308]  ? _raw_spin_unlock_irq+0x27/0x80
[  837.462826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  837.467065]  ? lockdep_hardirqs_on+0x296/0x5b0
[  837.471652]  ? trace_hardirqs_on+0xbd/0x310
[  837.475974]  ? kasan_check_read+0x11/0x20
[  837.480116]  ? __run_timers+0x7da/0xc70
[  837.484109]  ? trace_hardirqs_off_caller+0x310/0x310
[  837.489219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  837.493462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  837.497696]  __run_timers+0x7e5/0xc70
[  837.501509]  ? timer_fixup_init+0x70/0x70
[  837.505678]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  837.510695]  ? zap_class+0x640/0x640
[  837.514424]  ? enqueue_hrtimer+0x1a5/0x560
[  837.518664]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  837.523866]  ? find_held_lock+0x36/0x1c0
[  837.527949]  ? zap_class+0x640/0x640
[  837.531666]  ? pvclock_read_flags+0x160/0x160
[  837.536161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.541710]  ? check_preemption_disabled+0x48/0x280
[  837.546758]  ? __lock_is_held+0xb5/0x140
[  837.550824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.556361]  ? check_preemption_disabled+0x48/0x280
[  837.561380]  run_timer_softirq+0x52/0xb0
[  837.565472]  ? rcu_read_lock_sched_held+0x14f/0x180
[  837.570489]  __do_softirq+0x308/0xb7e
[  837.574294]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  837.578807]  ? lock_downgrade+0x900/0x900
[  837.582959]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  837.588068]  ? pvclock_read_flags+0x160/0x160
[  837.592569]  ? lapic_next_event+0x5a/0x90
[  837.596721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.602266]  ? kvm_clock_read+0x18/0x30
[  837.606242]  ? kvm_sched_clock_read+0x9/0x20
[  837.610656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.616193]  ? check_preemption_disabled+0x48/0x280
[  837.621232]  irq_exit+0x17f/0x1c0
[  837.624687]  smp_apic_timer_interrupt+0x1cb/0x760
[  837.629556]  ? smp_reschedule_interrupt+0x109/0x650
[  837.634579]  ? smp_call_function_single_interrupt+0x650/0x650
[  837.640477]  ? interrupt_entry+0xb5/0xc0
[  837.644557]  ? trace_hardirqs_off_caller+0xbb/0x310
[  837.649581]  ? trace_hardirqs_off_caller+0xbb/0x310
[  837.654598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  837.659442]  ? trace_hardirqs_on_caller+0x310/0x310
[  837.664460]  ? trace_hardirqs_on_caller+0x310/0x310
[  837.669482]  ? task_prio+0x50/0x50
[  837.673028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.678568]  ? check_preemption_disabled+0x48/0x280
[  837.683594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  837.688451]  apic_timer_interrupt+0xf/0x20
[  837.692684]  </IRQ>
[  837.694938] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  837.700824] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  837.719736] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  837.727458] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  837.734731] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  837.742000] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  837.749282] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  837.756552] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  837.763852]  ? save_stack+0xa9/0xd0
[  837.767491]  __kmalloc_node_track_caller+0x3c/0x70
[  837.772432]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  837.777194]  pskb_expand_head+0x230/0x10f0
[  837.781459]  ? check_preemption_disabled+0x48/0x280
[  837.786479]  ? memcpy+0x45/0x50
[  837.789792]  ? __copy_skb_header+0x350/0x6b0
[  837.794202]  ? skb_release_data+0x880/0x880
[  837.798528]  ? __alloc_skb+0x770/0x770
[  837.802433]  ? __lock_is_held+0xb5/0x140
[  837.806512]  ? kasan_check_write+0x14/0x20
[  837.810756]  ? __skb_clone+0x6c7/0xa00
[  837.814651]  ? __copy_skb_header+0x6b0/0x6b0
[  837.819060]  ? kmem_cache_alloc+0x33a/0x730
[  837.823386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.828943]  skb_ensure_writable+0x3dd/0x640
[  837.833352]  ? skb_checksum_setup+0xaa0/0xaa0
[  837.837855]  ? preempt_notifier_register+0x200/0x200
[  837.842957]  ? __switch_to_asm+0x34/0x70
[  837.847018]  ? __switch_to_asm+0x34/0x70
[  837.851080]  ? __switch_to_asm+0x40/0x70
[  837.855143]  ? __switch_to_asm+0x34/0x70
[  837.859231]  ? __switch_to_asm+0x40/0x70
[  837.863298]  ? __switch_to_asm+0x40/0x70
[  837.867359]  ? __switch_to_asm+0x34/0x70
[  837.871425]  ? __switch_to_asm+0x34/0x70
[  837.875490]  ? __switch_to_asm+0x40/0x70
[  837.879550]  ? __switch_to_asm+0x34/0x70
[  837.883620]  bpf_clone_redirect+0x14a/0x490
[  837.887960]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  837.892981]  ? __sched_text_start+0x8/0x8
[  837.897131]  ? retint_kernel+0x2d/0x2d
[  837.901042]  ? find_held_lock+0x36/0x1c0
[  837.905125]  ? lock_acquire+0x1ed/0x520
[  837.909097]  ? bpf_test_run+0x3cb/0x780
[  837.913079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.918621]  ? check_preemption_disabled+0x48/0x280
[  837.923645]  ? kasan_check_read+0x11/0x20
[  837.927799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.933074]  ? rcu_softirq_qs+0x20/0x20
[  837.937047]  ? preempt_schedule+0x4d/0x60
[  837.941197]  ? ___preempt_schedule+0x16/0x18
[  837.945616]  ? bpf_test_run+0x25d/0x780
[  837.949603]  ? netlink_diag_dump+0x2a0/0x2a0
[  837.954017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.959558]  ? bpf_test_init.isra.10+0x70/0x100
[  837.964237]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  837.969006]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  837.973872]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  837.979437]  ? fput+0x130/0x1a0
[  837.982759]  ? __bpf_prog_get+0x9b/0x290
[  837.986825]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  837.991666]  ? bpf_prog_test_run+0x130/0x1a0
[  837.996080]  ? __x64_sys_bpf+0x3d8/0x520
[  838.000145]  ? bpf_prog_get+0x20/0x20
[  838.003969]  ? do_syscall_64+0x1b9/0x820
[  838.008047]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  838.013437]  ? syscall_return_slowpath+0x5e0/0x5e0
[  838.018386]  ? trace_hardirqs_on_caller+0x310/0x310
[  838.023437]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  838.028458]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  838.035129]  ? __switch_to_asm+0x40/0x70
[  838.039198]  ? __switch_to_asm+0x34/0x70
[  838.043282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  838.048133]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  838.053521] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  838.053602] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  838.060190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  838.060196] Call Trace:
[  838.060202]  <IRQ>
[  838.060218]  dump_stack+0x244/0x39d
[  838.060241]  ? dump_stack_print_info.cold.1+0x20/0x20
[  838.066776] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  838.076084]  warn_alloc.cold.116+0xb7/0x1bd
[  838.078640] syz-executor0 cpuset=syz0 mems_allowed=0
[  838.080784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  838.114292]  ? lock_downgrade+0x900/0x900
[  838.118453]  ? trace_hardirqs_off+0xb8/0x310
[  838.122869]  ? trace_hardirqs_off+0xb8/0x310
[  838.127285]  __alloc_pages_slowpath+0x26e8/0x2e10
[  838.132158]  ? warn_alloc+0x120/0x120
[  838.135993]  ? warn_alloc+0x120/0x120
[  838.139795]  ? __lock_acquire+0x62f/0x4c20
[  838.144034]  ? warn_alloc+0x120/0x120
[  838.147839]  ? print_usage_bug+0xc0/0xc0
[  838.151905]  ? print_usage_bug+0xc0/0xc0
[  838.155970]  ? mark_held_locks+0x130/0x130
[  838.160212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.165748]  ? should_fail+0x22d/0xd01
[  838.169645]  ? zap_class+0x640/0x640
[  838.173381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  838.178501]  ? __lock_acquire+0x62f/0x4c20
[  838.182736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  838.187842]  ? should_fail+0x22d/0xd01
[  838.191745]  ? mark_held_locks+0x130/0x130
[  838.195999]  ? mark_held_locks+0x130/0x130
[  838.200240]  ? lock_downgrade+0x900/0x900
[  838.204390]  ? zap_class+0x640/0x640
[  838.208120]  ? zap_class+0x640/0x640
[  838.211839]  ? zap_class+0x640/0x640
[  838.215559]  ? do_raw_spin_unlock+0xa7/0x330
[  838.219972]  ? trace_hardirqs_on+0x310/0x310
[  838.224382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.229933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.235474]  ? check_preemption_disabled+0x48/0x280
[  838.240499]  ? __lock_is_held+0xb5/0x140
[  838.244567]  __alloc_pages_nodemask+0xa80/0xde0
[  838.249237]  ? zap_class+0x640/0x640
[  838.252957]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  838.257994]  ? find_held_lock+0x36/0x1c0
[  838.262070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  838.266756]  ? lock_downgrade+0x900/0x900
[  838.270922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.276469]  cache_grow_begin+0xa5/0x8c0
[  838.280531]  ? do_raw_spin_unlock+0xa7/0x330
[  838.284945]  fallback_alloc+0x204/0x2e0
[  838.288925]  ____cache_alloc_node+0x1c7/0x1e0
[  838.293440]  kmem_cache_alloc_node+0xe3/0x730
[  838.297935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  838.302530]  __alloc_skb+0x119/0x770
[  838.306244]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  838.311618]  ? netdev_alloc_frag+0x1f0/0x1f0
[  838.316034]  ? vprintk_default+0x28/0x30
[  838.320097]  ? vprintk_func+0x85/0x181
[  838.323986]  ? printk+0xa7/0xcf
[  838.327269]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  838.332036]  new_skb+0x26/0x1c0
[  838.335313]  aoecmd_cfg+0x279/0x7f0
[  838.338947]  ? find_held_lock+0x36/0x1c0
[  838.343010]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  838.347336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.352881]  ? __lock_is_held+0xb5/0x140
[  838.356966]  discover_timer+0x50/0x60
[  838.360765]  call_timer_fn+0x272/0x920
[  838.364652]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  838.369496]  ? process_timeout+0x40/0x40
[  838.373569]  ? mark_held_locks+0xc7/0x130
[  838.377720]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.382214]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.386706]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  838.391550]  ? lockdep_hardirqs_on+0x296/0x5b0
[  838.396134]  ? trace_hardirqs_on+0xbd/0x310
[  838.400458]  ? kasan_check_read+0x11/0x20
[  838.404604]  ? __run_timers+0x7da/0xc70
[  838.408589]  ? trace_hardirqs_off_caller+0x310/0x310
[  838.413707]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  838.418546]  __run_timers+0x7e5/0xc70
[  838.422358]  ? timer_fixup_init+0x70/0x70
[  838.426508]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  838.431531]  ? zap_class+0x640/0x640
[  838.435251]  ? print_usage_bug+0xc0/0xc0
[  838.439315]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  838.444508]  ? find_held_lock+0x36/0x1c0
[  838.448577]  ? zap_class+0x640/0x640
[  838.452300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.457839]  ? check_preemption_disabled+0x48/0x280
[  838.462867]  ? __lock_is_held+0xb5/0x140
[  838.466928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.472464]  ? check_preemption_disabled+0x48/0x280
[  838.477485]  run_timer_softirq+0x52/0xb0
[  838.481550]  ? rcu_read_lock_sched_held+0x14f/0x180
[  838.486580]  __do_softirq+0x308/0xb7e
[  838.490423]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  838.494917]  ? lock_downgrade+0x900/0x900
[  838.499095]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  838.504206]  ? pvclock_read_flags+0x160/0x160
[  838.508700]  ? lapic_next_event+0x5a/0x90
[  838.512846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.518435]  ? kvm_clock_read+0x18/0x30
[  838.522422]  ? kvm_sched_clock_read+0x9/0x20
[  838.526843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.532417]  ? check_preemption_disabled+0x48/0x280
[  838.537460]  irq_exit+0x17f/0x1c0
[  838.540916]  smp_apic_timer_interrupt+0x1cb/0x760
[  838.545758]  ? smp_reschedule_interrupt+0x109/0x650
[  838.550794]  ? smp_call_function_single_interrupt+0x650/0x650
[  838.556690]  ? interrupt_entry+0xb5/0xc0
[  838.560751]  ? trace_hardirqs_off_caller+0xbb/0x310
[  838.565769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  838.570788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  838.575630]  ? trace_hardirqs_on_caller+0x310/0x310
[  838.580649]  ? trace_hardirqs_on_caller+0x310/0x310
[  838.585666]  ? task_prio+0x50/0x50
[  838.589207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.594743]  ? check_preemption_disabled+0x48/0x280
[  838.599770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  838.604619]  apic_timer_interrupt+0xf/0x20
[  838.608847]  </IRQ>
[  838.611094] RIP: 0010:dump_stack+0x358/0x39d
[  838.615503] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  838.634407] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  838.642144] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  838.649434] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  838.656698] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  838.663963] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  838.671229] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  838.678512]  ? dump_stack+0x34f/0x39d
[  838.682341]  ? dump_stack_print_info.cold.1+0x20/0x20
[  838.687537]  ? mark_held_locks+0x130/0x130
[  838.691784]  ? mark_held_locks+0x130/0x130
[  838.696023]  dump_header+0x27b/0xf72
[  838.699754]  ? pagefault_out_of_memory+0x197/0x197
[  838.704696]  ? __lock_acquire+0x62f/0x4c20
[  838.708928]  ? percpu_ref_get_many+0x240/0x240
[  838.713516]  ? print_usage_bug+0xc0/0xc0
[  838.717586]  ? zap_class+0x640/0x640
[  838.721305]  ? print_usage_bug+0xc0/0xc0
[  838.725860]  ? print_usage_bug+0xc0/0xc0
[  838.729929]  ? zap_class+0x640/0x640
[  838.733651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.739191]  ? find_held_lock+0x36/0x1c0
[  838.743264]  ? mark_held_locks+0xc7/0x130
[  838.747429]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  838.752533]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  838.757639]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  838.762225]  ? trace_hardirqs_on+0xbd/0x310
[  838.766553]  ? kasan_check_read+0x11/0x20
[  838.770701]  ? ___ratelimit+0x3b4/0x672
[  838.774683]  ? trace_hardirqs_off_caller+0x310/0x310
[  838.779786]  ? trace_hardirqs_on+0x310/0x310
[  838.784222]  ? lock_downgrade+0x900/0x900
[  838.788380]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  838.793501]  ? ___ratelimit+0x3b9/0x672
[  838.797510]  ? idr_get_free+0xf80/0xf80
[  838.801487]  ? find_held_lock+0x36/0x1c0
[  838.805562]  oom_kill_process.cold.27+0x10/0x903
[  838.810316]  ? zap_class+0x640/0x640
[  838.814035]  ? check_preemption_disabled+0x48/0x280
[  838.819056]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  838.823988]  ? kasan_check_read+0x11/0x20
[  838.828133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  838.833549]  ? oom_evaluate_task+0x540/0x540
[  838.837975]  ? find_held_lock+0x36/0x1c0
[  838.842045]  ? out_of_memory+0x974/0x1430
[  838.846195]  ? lock_downgrade+0x900/0x900
[  838.850349]  ? check_preemption_disabled+0x48/0x280
[  838.855365]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  838.860306]  ? kasan_check_read+0x11/0x20
[  838.864454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  838.869748]  ? rcu_softirq_qs+0x20/0x20
[  838.873734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.879269]  ? oom_evaluate_task+0x302/0x540
[  838.883686]  out_of_memory+0xa84/0x1430
[  838.887688]  ? oom_killer_disable+0x3a0/0x3a0
[  838.892201]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  838.897133]  ? __ww_mutex_check_waiters+0x160/0x160
[  838.902180]  __alloc_pages_slowpath+0x2354/0x2e10
[  838.907063]  ? warn_alloc+0x120/0x120
[  838.910862]  ? mark_held_locks+0x130/0x130
[  838.915104]  ? find_get_entry+0xaae/0x1120
[  838.919364]  ? filemap_map_pages+0x1a20/0x1a20
[  838.923962]  ? zap_class+0x640/0x640
[  838.927685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.933237]  ? check_preemption_disabled+0x48/0x280
[  838.938259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.943803]  ? should_fail+0x22d/0xd01
[  838.947696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  838.952803]  ? zap_class+0x640/0x640
[  838.956559]  ? __lock_is_held+0xb5/0x140
[  838.960643]  ? mark_held_locks+0x130/0x130
[  838.964882]  ? lock_release+0xa00/0xa00
[  838.968855]  ? perf_trace_sched_process_exec+0x860/0x860
[  838.974308]  ? xa_load+0x2ba/0x460
[  838.977850]  ? lock_downgrade+0x900/0x900
[  838.982008]  ? __might_sleep+0x95/0x190
[  838.985987]  __alloc_pages_nodemask+0xa80/0xde0
[  838.990667]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  838.995688]  ? __page_cache_alloc+0x191/0x5c0
[  839.000183]  ? xa_load+0x2e1/0x460
[  839.003754]  ? xa_clear_mark+0x40/0x40
[  839.007656]  ? zap_class+0x640/0x640
[  839.011407]  ? zap_class+0x640/0x640
[  839.015127]  ? zap_class+0x640/0x640
[  839.018840]  ? __do_page_cache_readahead+0x663/0x810
[  839.023950]  ? find_held_lock+0x36/0x1c0
[  839.028017]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  839.033562]  alloc_pages_current+0x173/0x350
[  839.037983]  __page_cache_alloc+0x38c/0x5c0
[  839.042313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  839.047239]  ? kasan_check_read+0x11/0x20
[  839.051391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.056691]  ? generic_perform_write+0x6a0/0x6a0
[  839.061451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.067007]  ? check_preemption_disabled+0x48/0x280
[  839.072049]  filemap_fault+0x1595/0x25f0
[  839.076121]  ? __lock_page_or_retry+0xa00/0xa00
[  839.080794]  ? mark_held_locks+0x130/0x130
[  839.085042]  ? filemap_map_pages+0xd6b/0x1a20
[  839.089547]  ? lock_downgrade+0x900/0x900
[  839.093696]  ? check_preemption_disabled+0x48/0x280
[  839.098715]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  839.103648]  ? kasan_check_read+0x11/0x20
[  839.107800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.113079]  ? rcu_softirq_qs+0x20/0x20
[  839.117071]  ? filemap_map_pages+0xd92/0x1a20
[  839.121590]  ? find_get_entries_tag+0x1400/0x1400
[  839.126438]  ? debug_object_destroy+0x2b0/0x2b0
[  839.131109]  ? lock_pi_update_atomic+0x150/0x150
[  839.135865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.141428]  ? lock_acquire+0x1ed/0x520
[  839.145432]  ? ext4_filemap_fault+0x7a/0xad
[  839.149764]  ? lock_release+0xa00/0xa00
[  839.153742]  ? perf_trace_sched_process_exec+0x860/0x860
[  839.159218]  ? print_usage_bug+0xc0/0xc0
[  839.163283]  ? print_usage_bug+0xc0/0xc0
[  839.167362]  ? down_read+0x8d/0x120
[  839.170995]  ? ext4_filemap_fault+0x7a/0xad
[  839.175315]  ? __down_interruptible+0x700/0x700
[  839.179994]  ext4_filemap_fault+0x82/0xad
[  839.184148]  __do_fault+0x100/0x6b0
[  839.187773]  ? find_held_lock+0x36/0x1c0
[  839.191855]  ? pmd_devmap_trans_unstable+0x220/0x220
[  839.196959]  ? mark_held_locks+0x130/0x130
[  839.201194]  ? mark_held_locks+0x130/0x130
[  839.205441]  ? _raw_spin_unlock_irq+0x27/0x80
[  839.209939]  ? _raw_spin_unlock_irq+0x27/0x80
[  839.214439]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  839.219029]  ? kasan_check_read+0x11/0x20
[  839.223176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.228719]  __handle_mm_fault+0x3ea6/0x5be0
[  839.233137]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  839.237994]  ? finish_task_switch+0x1f4/0x910
[  839.242494]  ? finish_task_switch+0x1b4/0x910
[  839.246988]  ? __switch_to_asm+0x34/0x70
[  839.251058]  ? preempt_notifier_register+0x200/0x200
[  839.256172]  ? __switch_to_asm+0x34/0x70
[  839.260234]  ? __switch_to_asm+0x34/0x70
[  839.264312]  ? zap_class+0x640/0x640
[  839.268026]  ? zap_class+0x640/0x640
[  839.271737]  ? __x64_sys_futex+0x53e/0x6a0
[  839.275980]  ? find_held_lock+0x36/0x1c0
[  839.280055]  ? handle_mm_fault+0x42a/0xc70
[  839.284291]  ? lock_downgrade+0x900/0x900
[  839.288454]  ? check_preemption_disabled+0x48/0x280
[  839.293500]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  839.298439]  ? kasan_check_read+0x11/0x20
[  839.302589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.307864]  ? rcu_softirq_qs+0x20/0x20
[  839.311840]  ? trace_hardirqs_off_caller+0x310/0x310
[  839.316946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.322496]  ? check_preemption_disabled+0x48/0x280
[  839.327520]  handle_mm_fault+0x54f/0xc70
[  839.331589]  ? __handle_mm_fault+0x5be0/0x5be0
[  839.336189]  ? find_vma+0x34/0x190
[  839.339752]  __do_page_fault+0x5e8/0xe60
[  839.343812]  ? trace_hardirqs_off+0xb8/0x310
[  839.348234]  do_page_fault+0xf2/0x7e0
[  839.352039]  ? vmalloc_sync_all+0x30/0x30
[  839.356192]  ? error_entry+0x70/0xd0
[  839.359905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  839.364917]  ? trace_hardirqs_on_caller+0xc0/0x310
[  839.369848]  ? syscall_return_slowpath+0x5e0/0x5e0
[  839.374776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  839.379619]  ? trace_hardirqs_on_caller+0x310/0x310
[  839.384640]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  839.390097]  ? prepare_exit_to_usermode+0x291/0x3b0
[  839.395115]  ? page_fault+0x8/0x30
[  839.398662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  839.403539]  ? page_fault+0x8/0x30
[  839.407097]  page_fault+0x1e/0x30
[  839.410563] RIP: 0033:0x45ddf3
[  839.413793] Code: Bad RIP value.
[  839.417178] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  839.422560] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  839.429837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  839.437101] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  839.444369] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  839.451672] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  839.458958] warn_alloc_show_mem: 1 callbacks suppressed
[  839.458970] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  839.458972] Mem-Info:
[  839.459003] active_anon:53034 inactive_anon:131 isolated_anon:0
[  839.459003]  active_file:14 inactive_file:14 isolated_file:0
[  839.459003]  unevictable:0 dirty:0 writeback:0 unstable:0
[  839.459003]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  839.459003]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  839.459003]  free:13749 free_pcp:564 free_cma:0
[  839.464349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  839.471370] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  839.473773] Call Trace:
[  839.506725] 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
[  839.516077]  <IRQ>
[  839.543471] lowmem_reserve[]: 0 2818 6321 6321
[  839.546063]  dump_stack+0x244/0x39d
[  839.572150] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  839.574298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  839.578848] lowmem_reserve[]: 0 0 3503 3503
[  839.582494]  warn_alloc.cold.116+0xb7/0x1bd
[  839.609966] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  839.615181]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  839.619477] lowmem_reserve[]: 0 0 0 0
[  839.623836]  ? lock_downgrade+0x900/0x900
[  839.652872] 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
[  839.657721]  ? trace_hardirqs_off+0xb8/0x310
[  839.661498] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  839.665659]  ? trace_hardirqs_off+0xb8/0x310
[  839.679156] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  839.683567]  __alloc_pages_slowpath+0x26e8/0x2e10
[  839.698721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  839.703144]  ? warn_alloc+0x120/0x120
[  839.718541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  839.723388]  ? print_usage_bug+0xc0/0xc0
[  839.732215] 166 total pagecache pages
[  839.736009]  ? warn_alloc+0x120/0x120
[  839.744573] 0 pages in swap cache
[  839.748634]  ? warn_alloc+0x120/0x120
[  839.752432] Swap cache stats: add 0, delete 0, find 0/0
[  839.756233]  ? print_usage_bug+0xc0/0xc0
[  839.759667] Free swap  = 0kB
[  839.763462]  ? print_usage_bug+0xc0/0xc0
[  839.768802] Total swap = 0kB
[  839.772854]  ? __lock_acquire+0x62f/0x4c20
[  839.775852] 1965979 pages RAM
[  839.779927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.782908] 0 pages HighMem/MovableOnly
[  839.782914] 342858 pages reserved
[  839.782923] 0 pages cma reserved
[  839.787158]  ? should_fail+0x22d/0xd01
[  839.790303] aoe: skb alloc failure
[  839.795771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  839.799782] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  839.803176]  ? __lock_acquire+0x62f/0x4c20
[  839.806524] syz-fuzzer cpuset=/ mems_allowed=0
[  839.810431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  839.843135]  ? __lock_acquire+0x62f/0x4c20
[  839.847379]  ? should_fail+0x22d/0xd01
[  839.851278]  ? find_held_lock+0x36/0x1c0
[  839.855354]  ? mark_held_locks+0x130/0x130
[  839.859643]  ? mark_held_locks+0x130/0x130
[  839.863874]  ? zap_class+0x640/0x640
[  839.867589]  ? zap_class+0x640/0x640
[  839.871313]  ? print_usage_bug+0xc0/0xc0
[  839.875386]  ? do_raw_spin_unlock+0xa7/0x330
[  839.879805]  ? zap_class+0x640/0x640
[  839.883534]  ? print_usage_bug+0xc0/0xc0
[  839.887598]  ? wq_watchdog_touch+0x9c/0xfe
[  839.891848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.897422]  ? check_preemption_disabled+0x48/0x280
[  839.902458]  ? __lock_is_held+0xb5/0x140
[  839.906529]  __alloc_pages_nodemask+0xa80/0xde0
[  839.911213]  ? zap_class+0x640/0x640
[  839.914935]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  839.919965]  ? find_held_lock+0x36/0x1c0
[  839.924038]  ? ____cache_alloc_node+0x1c7/0x1e0
[  839.928707]  ? lock_downgrade+0x900/0x900
[  839.932863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.938416]  cache_grow_begin+0xa5/0x8c0
[  839.942477]  ? do_raw_spin_unlock+0xa7/0x330
[  839.946898]  fallback_alloc+0x204/0x2e0
[  839.950886]  ____cache_alloc_node+0x1c7/0x1e0
[  839.955405]  kmem_cache_alloc_node+0xe3/0x730
[  839.959924]  ? ipv6_get_ifaddr+0x42e/0x620
[  839.964195]  __alloc_skb+0x119/0x770
[  839.967939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.973234]  ? netdev_alloc_frag+0x1f0/0x1f0
[  839.977642]  ? lock_downgrade+0x900/0x900
[  839.981800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.987335]  ? refcount_sub_and_test_checked+0x203/0x310
[  839.992788]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  839.998237]  ? addrconf_rs_timer+0x690/0x690
[  840.002656]  ndisc_alloc_skb+0x144/0x340
[  840.006780]  ndisc_send_rs+0x331/0x6e0
[  840.010688]  addrconf_rs_timer+0x314/0x690
[  840.014929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  840.019196]  call_timer_fn+0x272/0x920
[  840.023082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  840.027320]  ? process_timeout+0x40/0x40
[  840.031389]  ? __run_timers+0x7da/0xc70
[  840.035380]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.039891]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.044388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  840.048645]  ? lockdep_hardirqs_on+0x296/0x5b0
[  840.053230]  ? trace_hardirqs_on+0xbd/0x310
[  840.057557]  ? kasan_check_read+0x11/0x20
[  840.061719]  ? __run_timers+0x7da/0xc70
[  840.065696]  ? trace_hardirqs_off_caller+0x310/0x310
[  840.070809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  840.075050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  840.079283]  __run_timers+0x7e5/0xc70
[  840.083093]  ? timer_fixup_init+0x70/0x70
[  840.087243]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  840.092273]  ? zap_class+0x640/0x640
[  840.095989]  ? enqueue_hrtimer+0x1a5/0x560
[  840.100241]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  840.105438]  ? find_held_lock+0x36/0x1c0
[  840.109505]  ? zap_class+0x640/0x640
[  840.113230]  ? pvclock_read_flags+0x160/0x160
[  840.117728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.123269]  ? check_preemption_disabled+0x48/0x280
[  840.128296]  ? __lock_is_held+0xb5/0x140
[  840.132358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.137897]  ? check_preemption_disabled+0x48/0x280
[  840.142929]  run_timer_softirq+0x52/0xb0
[  840.147011]  ? rcu_read_lock_sched_held+0x14f/0x180
[  840.152032]  __do_softirq+0x308/0xb7e
[  840.155839]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  840.160333]  ? lock_downgrade+0x900/0x900
[  840.164487]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  840.169597]  ? pvclock_read_flags+0x160/0x160
[  840.174094]  ? lapic_next_event+0x5a/0x90
[  840.178248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.183790]  ? kvm_clock_read+0x18/0x30
[  840.187767]  ? kvm_sched_clock_read+0x9/0x20
[  840.192192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.197734]  ? check_preemption_disabled+0x48/0x280
[  840.202765]  irq_exit+0x17f/0x1c0
[  840.206220]  smp_apic_timer_interrupt+0x1cb/0x760
[  840.211063]  ? smp_reschedule_interrupt+0x109/0x650
[  840.216085]  ? smp_call_function_single_interrupt+0x650/0x650
[  840.221971]  ? interrupt_entry+0xb5/0xc0
[  840.226033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  840.231046]  ? trace_hardirqs_off_caller+0xbb/0x310
[  840.236066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  840.240908]  ? trace_hardirqs_on_caller+0x310/0x310
[  840.245928]  ? trace_hardirqs_on_caller+0x310/0x310
[  840.250948]  ? task_prio+0x50/0x50
[  840.254518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.260054]  ? check_preemption_disabled+0x48/0x280
[  840.265073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  840.269932]  apic_timer_interrupt+0xf/0x20
[  840.274160]  </IRQ>
[  840.276407] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  840.282295] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  840.301192] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  840.308899] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  840.316169] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  840.323436] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  840.330705] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  840.337975] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  840.345287]  ? save_stack+0xa9/0xd0
[  840.348934]  __kmalloc_node_track_caller+0x3c/0x70
[  840.353874]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  840.358644]  pskb_expand_head+0x230/0x10f0
[  840.362892]  ? check_preemption_disabled+0x48/0x280
[  840.367925]  ? memcpy+0x45/0x50
[  840.371209]  ? __copy_skb_header+0x350/0x6b0
[  840.375619]  ? skb_release_data+0x880/0x880
[  840.379943]  ? __alloc_skb+0x770/0x770
[  840.383844]  ? __lock_is_held+0xb5/0x140
[  840.387940]  ? kasan_check_write+0x14/0x20
[  840.392179]  ? __skb_clone+0x6c7/0xa00
[  840.396070]  ? __copy_skb_header+0x6b0/0x6b0
[  840.400501]  ? kmem_cache_alloc+0x33a/0x730
[  840.404829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.410373]  skb_ensure_writable+0x3dd/0x640
[  840.414799]  ? skb_checksum_setup+0xaa0/0xaa0
[  840.419301]  ? preempt_notifier_register+0x200/0x200
[  840.424410]  ? __switch_to_asm+0x34/0x70
[  840.428479]  ? __switch_to_asm+0x34/0x70
[  840.432541]  ? __switch_to_asm+0x40/0x70
[  840.436624]  ? __switch_to_asm+0x34/0x70
[  840.440683]  ? __switch_to_asm+0x40/0x70
[  840.444748]  ? __switch_to_asm+0x40/0x70
[  840.448811]  ? __switch_to_asm+0x34/0x70
[  840.452885]  ? __switch_to_asm+0x34/0x70
[  840.456954]  ? __switch_to_asm+0x40/0x70
[  840.461013]  ? __switch_to_asm+0x34/0x70
[  840.465083]  bpf_clone_redirect+0x14a/0x490
[  840.469420]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  840.474445]  ? __sched_text_start+0x8/0x8
[  840.478600]  ? retint_kernel+0x2d/0x2d
[  840.482499]  ? find_held_lock+0x36/0x1c0
[  840.486570]  ? lock_acquire+0x1ed/0x520
[  840.490558]  ? bpf_test_run+0x3cb/0x780
[  840.494535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.500075]  ? check_preemption_disabled+0x48/0x280
[  840.505098]  ? kasan_check_read+0x11/0x20
[  840.509260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  840.514537]  ? rcu_softirq_qs+0x20/0x20
[  840.518513]  ? preempt_schedule+0x4d/0x60
[  840.522661]  ? ___preempt_schedule+0x16/0x18
[  840.527075]  ? bpf_test_run+0x25d/0x780
[  840.531071]  ? netlink_diag_dump+0x2a0/0x2a0
[  840.535484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  840.541022]  ? bpf_test_init.isra.10+0x70/0x100
[  840.545722]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  840.550500]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  840.555345]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  840.560881]  ? fput+0x130/0x1a0
[  840.564193]  ? __bpf_prog_get+0x9b/0x290
[  840.568280]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  840.573133]  ? bpf_prog_test_run+0x130/0x1a0
[  840.577542]  ? __x64_sys_bpf+0x3d8/0x520
[  840.581628]  ? bpf_prog_get+0x20/0x20
[  840.585450]  ? do_syscall_64+0x1b9/0x820
[  840.589517]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  840.594884]  ? syscall_return_slowpath+0x5e0/0x5e0
[  840.599818]  ? trace_hardirqs_on_caller+0x310/0x310
[  840.604831]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  840.609848]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  840.616519]  ? __switch_to_asm+0x40/0x70
[  840.620583]  ? __switch_to_asm+0x34/0x70
[  840.624649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  840.629514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  840.634899] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  840.635040] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  840.641581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  840.641587] Call Trace:
[  840.641593]  <IRQ>
[  840.641608]  dump_stack+0x244/0x39d
[  840.641626]  ? dump_stack_print_info.cold.1+0x20/0x20
[  840.641654]  warn_alloc.cold.116+0xb7/0x1bd
[  840.648255] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  840.657483]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  840.660050] syz-executor0 cpuset=syz0 mems_allowed=0
[  840.662202]  ? lock_downgrade+0x900/0x900
[  840.699835]  ? trace_hardirqs_off+0xb8/0x310
[  840.704274]  ? trace_hardirqs_off+0xb8/0x310
[  840.708692]  __alloc_pages_slowpath+0x26e8/0x2e10
[  840.713567]  ? warn_alloc+0x120/0x120
[  840.717390]  ? warn_alloc+0x120/0x120
[  840.721209]  ? warn_alloc+0x120/0x120
[  840.725511]  ? print_usage_bug+0xc0/0xc0
[  840.729577]  ? print_usage_bug+0xc0/0xc0
[  840.733643]  ? ktime_get+0x2c1/0x400
[  840.737366]  ? check_preemption_disabled+0x48/0x280
[  840.742386]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  840.746896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  840.752443]  ? should_fail+0x22d/0xd01
[  840.756331]  ? kasan_check_read+0x11/0x20
[  840.760484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  840.765592]  ? __lock_acquire+0x62f/0x4c20
[  840.769832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  840.774935]  ? should_fail+0x22d/0xd01
[  840.778826]  ? print_usage_bug+0xc0/0xc0
[  840.782897]  ? mark_held_locks+0x130/0x130
[  840.787165]  ? mark_held_locks+0x130/0x130
[  840.791406]  ? check_preemption_disabled+0x48/0x280
[  840.796445]  ? zap_class+0x640/0x640
[  840.800162]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  840.804920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.810469]  ? check_preemption_disabled+0x48/0x280
[  840.815492]  ? __lock_is_held+0xb5/0x140
[  840.819560]  __alloc_pages_nodemask+0xa80/0xde0
[  840.824249]  ? zap_class+0x640/0x640
[  840.827994]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  840.833183]  ? find_held_lock+0x36/0x1c0
[  840.837255]  ? ____cache_alloc_node+0x1c7/0x1e0
[  840.841928]  ? lock_downgrade+0x900/0x900
[  840.846092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.851636]  cache_grow_begin+0xa5/0x8c0
[  840.855714]  ? do_raw_spin_unlock+0xa7/0x330
[  840.860144]  fallback_alloc+0x204/0x2e0
[  840.864129]  ____cache_alloc_node+0x1c7/0x1e0
[  840.868635]  kmem_cache_alloc_node+0xe3/0x730
[  840.873129]  ? lockdep_hardirqs_on+0x296/0x5b0
[  840.877726]  __alloc_skb+0x119/0x770
[  840.881447]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  840.886818]  ? netdev_alloc_frag+0x1f0/0x1f0
[  840.891235]  ? vprintk_default+0x28/0x30
[  840.895295]  ? vprintk_func+0x85/0x181
[  840.899190]  ? printk+0xa7/0xcf
[  840.902471]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  840.907253]  new_skb+0x26/0x1c0
[  840.910535]  aoecmd_cfg+0x279/0x7f0
[  840.914162]  ? find_held_lock+0x36/0x1c0
[  840.918237]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  840.922571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.928131]  ? __lock_is_held+0xb5/0x140
[  840.932216]  discover_timer+0x50/0x60
[  840.936031]  call_timer_fn+0x272/0x920
[  840.939922]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  840.944778]  ? process_timeout+0x40/0x40
[  840.948851]  ? mark_held_locks+0xc7/0x130
[  840.953004]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.957498]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.961990]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  840.966834]  ? lockdep_hardirqs_on+0x296/0x5b0
[  840.971435]  ? trace_hardirqs_on+0xbd/0x310
[  840.975761]  ? kasan_check_read+0x11/0x20
[  840.979910]  ? __run_timers+0x7da/0xc70
[  840.983887]  ? trace_hardirqs_off_caller+0x310/0x310
[  840.989002]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  840.993840]  __run_timers+0x7e5/0xc70
[  840.997655]  ? timer_fixup_init+0x70/0x70
[  841.001808]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  841.006830]  ? zap_class+0x640/0x640
[  841.010548]  ? print_usage_bug+0xc0/0xc0
[  841.014611]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  841.019807]  ? find_held_lock+0x36/0x1c0
[  841.023903]  ? zap_class+0x640/0x640
[  841.027636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.033178]  ? check_preemption_disabled+0x48/0x280
[  841.038231]  ? __lock_is_held+0xb5/0x140
[  841.042310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.047858]  ? check_preemption_disabled+0x48/0x280
[  841.052883]  run_timer_softirq+0x52/0xb0
[  841.056949]  ? rcu_read_lock_sched_held+0x14f/0x180
[  841.061966]  __do_softirq+0x308/0xb7e
[  841.065774]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  841.070269]  ? lock_downgrade+0x900/0x900
[  841.074429]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  841.079541]  ? pvclock_read_flags+0x160/0x160
[  841.084040]  ? lapic_next_event+0x5a/0x90
[  841.088187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.093725]  ? kvm_clock_read+0x18/0x30
[  841.097696]  ? kvm_sched_clock_read+0x9/0x20
[  841.102105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.107651]  ? check_preemption_disabled+0x48/0x280
[  841.112694]  irq_exit+0x17f/0x1c0
[  841.116150]  smp_apic_timer_interrupt+0x1cb/0x760
[  841.120993]  ? smp_reschedule_interrupt+0x109/0x650
[  841.126011]  ? smp_call_function_single_interrupt+0x650/0x650
[  841.131897]  ? interrupt_entry+0xb5/0xc0
[  841.135957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  841.140983]  ? trace_hardirqs_off_caller+0xbb/0x310
[  841.146000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.150859]  ? trace_hardirqs_on_caller+0x310/0x310
[  841.155875]  ? trace_hardirqs_on_caller+0x310/0x310
[  841.160891]  ? task_prio+0x50/0x50
[  841.164452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.169990]  ? check_preemption_disabled+0x48/0x280
[  841.175012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.179867]  apic_timer_interrupt+0xf/0x20
[  841.184095]  </IRQ>
[  841.186335] RIP: 0010:dump_stack+0x358/0x39d
[  841.190744] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  841.209641] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  841.217347] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  841.224619] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  841.231884] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  841.239153] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  841.246437] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  841.253724]  ? dump_stack+0x34f/0x39d
[  841.257538]  ? dump_stack_print_info.cold.1+0x20/0x20
[  841.262731]  ? mark_held_locks+0x130/0x130
[  841.266970]  ? mark_held_locks+0x130/0x130
[  841.271215]  dump_header+0x27b/0xf72
[  841.274945]  ? pagefault_out_of_memory+0x197/0x197
[  841.279888]  ? __lock_acquire+0x62f/0x4c20
[  841.284122]  ? percpu_ref_get_many+0x240/0x240
[  841.288710]  ? print_usage_bug+0xc0/0xc0
[  841.292778]  ? zap_class+0x640/0x640
[  841.296512]  ? print_usage_bug+0xc0/0xc0
[  841.300576]  ? print_usage_bug+0xc0/0xc0
[  841.304637]  ? zap_class+0x640/0x640
[  841.308370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.313925]  ? find_held_lock+0x36/0x1c0
[  841.317997]  ? mark_held_locks+0xc7/0x130
[  841.322146]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  841.327249]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  841.332364]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  841.336953]  ? trace_hardirqs_on+0xbd/0x310
[  841.341271]  ? kasan_check_read+0x11/0x20
[  841.345429]  ? ___ratelimit+0x3b4/0x672
[  841.349426]  ? trace_hardirqs_off_caller+0x310/0x310
[  841.354532]  ? trace_hardirqs_on+0x310/0x310
[  841.358944]  ? lock_downgrade+0x900/0x900
[  841.363099]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  841.368204]  ? ___ratelimit+0x3b9/0x672
[  841.372176]  ? idr_get_free+0xf80/0xf80
[  841.376157]  ? find_held_lock+0x36/0x1c0
[  841.380236]  oom_kill_process.cold.27+0x10/0x903
[  841.384989]  ? zap_class+0x640/0x640
[  841.388720]  ? check_preemption_disabled+0x48/0x280
[  841.393743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  841.398674]  ? kasan_check_read+0x11/0x20
[  841.402825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.408117]  ? oom_evaluate_task+0x540/0x540
[  841.412527]  ? find_held_lock+0x36/0x1c0
[  841.416595]  ? out_of_memory+0x974/0x1430
[  841.420756]  ? lock_downgrade+0x900/0x900
[  841.424903]  ? check_preemption_disabled+0x48/0x280
[  841.429919]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  841.434846]  ? kasan_check_read+0x11/0x20
[  841.438995]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.444270]  ? rcu_softirq_qs+0x20/0x20
[  841.448245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.453778]  ? oom_evaluate_task+0x302/0x540
[  841.458184]  out_of_memory+0xa84/0x1430
[  841.462163]  ? oom_killer_disable+0x3a0/0x3a0
[  841.466666]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  841.471599]  ? __ww_mutex_check_waiters+0x160/0x160
[  841.476646]  __alloc_pages_slowpath+0x2354/0x2e10
[  841.481531]  ? warn_alloc+0x120/0x120
[  841.485332]  ? mark_held_locks+0x130/0x130
[  841.489575]  ? find_get_entry+0xaae/0x1120
[  841.493833]  ? filemap_map_pages+0x1a20/0x1a20
[  841.498433]  ? zap_class+0x640/0x640
[  841.502156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.507695]  ? check_preemption_disabled+0x48/0x280
[  841.512711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.518246]  ? should_fail+0x22d/0xd01
[  841.522140]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  841.527245]  ? zap_class+0x640/0x640
[  841.530984]  ? __lock_is_held+0xb5/0x140
[  841.535054]  ? mark_held_locks+0x130/0x130
[  841.539290]  ? lock_release+0xa00/0xa00
[  841.543277]  ? perf_trace_sched_process_exec+0x860/0x860
[  841.548725]  ? xa_load+0x2ba/0x460
[  841.552270]  ? lock_downgrade+0x900/0x900
[  841.556434]  ? __might_sleep+0x95/0x190
[  841.560426]  __alloc_pages_nodemask+0xa80/0xde0
[  841.565105]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  841.570124]  ? __page_cache_alloc+0x191/0x5c0
[  841.574627]  ? xa_load+0x2e1/0x460
[  841.578166]  ? xa_clear_mark+0x40/0x40
[  841.582059]  ? zap_class+0x640/0x640
[  841.585781]  ? zap_class+0x640/0x640
[  841.589498]  ? zap_class+0x640/0x640
[  841.593226]  ? __do_page_cache_readahead+0x663/0x810
[  841.598331]  ? find_held_lock+0x36/0x1c0
[  841.602403]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  841.607947]  alloc_pages_current+0x173/0x350
[  841.612363]  __page_cache_alloc+0x38c/0x5c0
[  841.616693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  841.621633]  ? kasan_check_read+0x11/0x20
[  841.625778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.631054]  ? generic_perform_write+0x6a0/0x6a0
[  841.635823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.641365]  ? check_preemption_disabled+0x48/0x280
[  841.646393]  filemap_fault+0x1595/0x25f0
[  841.650484]  ? __lock_page_or_retry+0xa00/0xa00
[  841.655157]  ? mark_held_locks+0x130/0x130
[  841.659416]  ? filemap_map_pages+0xd6b/0x1a20
[  841.663936]  ? lock_downgrade+0x900/0x900
[  841.668083]  ? check_preemption_disabled+0x48/0x280
[  841.673105]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  841.678037]  ? kasan_check_read+0x11/0x20
[  841.682183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.687468]  ? rcu_softirq_qs+0x20/0x20
[  841.691472]  ? filemap_map_pages+0xd92/0x1a20
[  841.695985]  ? find_get_entries_tag+0x1400/0x1400
[  841.700830]  ? debug_object_destroy+0x2b0/0x2b0
[  841.705505]  ? lock_pi_update_atomic+0x150/0x150
[  841.710266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.715819]  ? lock_acquire+0x1ed/0x520
[  841.719807]  ? ext4_filemap_fault+0x7a/0xad
[  841.724139]  ? lock_release+0xa00/0xa00
[  841.728110]  ? perf_trace_sched_process_exec+0x860/0x860
[  841.733560]  ? print_usage_bug+0xc0/0xc0
[  841.737622]  ? print_usage_bug+0xc0/0xc0
[  841.741693]  ? down_read+0x8d/0x120
[  841.745322]  ? ext4_filemap_fault+0x7a/0xad
[  841.749645]  ? __down_interruptible+0x700/0x700
[  841.754327]  ext4_filemap_fault+0x82/0xad
[  841.758479]  __do_fault+0x100/0x6b0
[  841.762105]  ? find_held_lock+0x36/0x1c0
[  841.766172]  ? pmd_devmap_trans_unstable+0x220/0x220
[  841.771279]  ? mark_held_locks+0x130/0x130
[  841.775518]  ? mark_held_locks+0x130/0x130
[  841.779750]  ? _raw_spin_unlock_irq+0x27/0x80
[  841.784262]  ? _raw_spin_unlock_irq+0x27/0x80
[  841.788764]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  841.793349]  ? kasan_check_read+0x11/0x20
[  841.797501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.803045]  __handle_mm_fault+0x3ea6/0x5be0
[  841.807467]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  841.812314]  ? finish_task_switch+0x1f4/0x910
[  841.816811]  ? finish_task_switch+0x1b4/0x910
[  841.821305]  ? __switch_to_asm+0x34/0x70
[  841.825375]  ? preempt_notifier_register+0x200/0x200
[  841.830485]  ? __switch_to_asm+0x34/0x70
[  841.834547]  ? __switch_to_asm+0x34/0x70
[  841.838624]  ? zap_class+0x640/0x640
[  841.842338]  ? zap_class+0x640/0x640
[  841.846049]  ? __x64_sys_futex+0x53e/0x6a0
[  841.850288]  ? find_held_lock+0x36/0x1c0
[  841.854362]  ? handle_mm_fault+0x42a/0xc70
[  841.858599]  ? lock_downgrade+0x900/0x900
[  841.862747]  ? check_preemption_disabled+0x48/0x280
[  841.867767]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  841.872694]  ? kasan_check_read+0x11/0x20
[  841.876840]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.882126]  ? rcu_softirq_qs+0x20/0x20
[  841.886099]  ? trace_hardirqs_off_caller+0x310/0x310
[  841.891201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.896752]  ? check_preemption_disabled+0x48/0x280
[  841.901788]  handle_mm_fault+0x54f/0xc70
[  841.905854]  ? __handle_mm_fault+0x5be0/0x5be0
[  841.910452]  ? find_vma+0x34/0x190
[  841.914001]  __do_page_fault+0x5e8/0xe60
[  841.918066]  ? trace_hardirqs_off+0xb8/0x310
[  841.922491]  do_page_fault+0xf2/0x7e0
[  841.926292]  ? vmalloc_sync_all+0x30/0x30
[  841.930533]  ? error_entry+0x70/0xd0
[  841.934249]  ? trace_hardirqs_off_caller+0xbb/0x310
[  841.939277]  ? trace_hardirqs_on_caller+0xc0/0x310
[  841.944206]  ? syscall_return_slowpath+0x5e0/0x5e0
[  841.949135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.953981]  ? trace_hardirqs_on_caller+0x310/0x310
[  841.958998]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  841.964458]  ? prepare_exit_to_usermode+0x291/0x3b0
[  841.969478]  ? page_fault+0x8/0x30
[  841.973058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.977906]  ? page_fault+0x8/0x30
[  841.981464]  page_fault+0x1e/0x30
[  841.984913] RIP: 0033:0x45ddf3
[  841.988115] Code: Bad RIP value.
[  841.991495] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  841.996879] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  842.004146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  842.011423] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  842.018693] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  842.025962] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  842.033438] warn_alloc_show_mem: 1 callbacks suppressed
[  842.033450] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  842.033452] Mem-Info:
[  842.033481] active_anon:53034 inactive_anon:131 isolated_anon:0
[  842.033481]  active_file:14 inactive_file:14 isolated_file:0
[  842.033481]  unevictable:0 dirty:0 writeback:0 unstable:0
[  842.033481]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  842.033481]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  842.033481]  free:13749 free_pcp:564 free_cma:0
[  842.038828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  842.045845] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  842.048272] Call Trace:
[  842.081227] 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
[  842.090585]  <IRQ>
[  842.117973] lowmem_reserve[]: 0 2818 6321 6321
[  842.120565]  dump_stack+0x244/0x39d
[  842.146658] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  842.148802]  ? dump_stack_print_info.cold.1+0x20/0x20
[  842.153355] lowmem_reserve[]: 0 0 3503 3503
[  842.156997]  warn_alloc.cold.116+0xb7/0x1bd
[  842.184464] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  842.189654]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  842.193952] lowmem_reserve[]: 0 0 0 0
[  842.198286]  ? lock_downgrade+0x900/0x900
[  842.227334] 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
[  842.232175]  ? trace_hardirqs_off+0xb8/0x310
[  842.235956] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  842.240116]  ? trace_hardirqs_off+0xb8/0x310
[  842.253620] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  842.258025]  __alloc_pages_slowpath+0x26e8/0x2e10
[  842.273173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  842.277605]  ? warn_alloc+0x120/0x120
[  842.292995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  842.297824]  ? print_usage_bug+0xc0/0xc0
[  842.306637] 166 total pagecache pages
[  842.310437]  ? warn_alloc+0x120/0x120
[  842.318994] 0 pages in swap cache
[  842.323046]  ? warn_alloc+0x120/0x120
[  842.326829] Swap cache stats: add 0, delete 0, find 0/0
[  842.330619]  ? print_usage_bug+0xc0/0xc0
[  842.334053] Free swap  = 0kB
[  842.337854]  ? kvm_clock_read+0x18/0x30
[  842.343196] Total swap = 0kB
[  842.347264]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  842.350264] 1965979 pages RAM
[  842.354230]  ? print_usage_bug+0xc0/0xc0
[  842.357228] 0 pages HighMem/MovableOnly
[  842.362253]  ? __lock_acquire+0x62f/0x4c20
[  842.365332] 342858 pages reserved
[  842.365341] 0 pages cma reserved
[  842.369408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  842.373433] aoe: skb alloc failure
[  842.377589]  ? should_fail+0x22d/0xd01
[  842.377603]  ? __lock_acquire+0x62f/0x4c20
[  842.377623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  842.381090] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  842.384446]  ? __lock_acquire+0x62f/0x4c20
[  842.389965] syz-fuzzer cpuset=/ mems_allowed=0
[  842.393500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  842.430955]  ? __lock_acquire+0x62f/0x4c20
[  842.435200]  ? should_fail+0x22d/0xd01
[  842.439100]  ? mark_held_locks+0x130/0x130
[  842.443342]  ? mark_held_locks+0x130/0x130
[  842.447585]  ? mark_held_locks+0xc7/0x130
[  842.451740]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  842.456760]  ? zap_class+0x640/0x640
[  842.460476]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  842.465235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.470772]  ? check_preemption_disabled+0x48/0x280
[  842.475814]  ? __lock_is_held+0xb5/0x140
[  842.479906]  __alloc_pages_nodemask+0xa80/0xde0
[  842.484579]  ? zap_class+0x640/0x640
[  842.488298]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  842.493324]  ? find_held_lock+0x36/0x1c0
[  842.497394]  ? ____cache_alloc_node+0x1c7/0x1e0
[  842.502071]  ? lock_downgrade+0x900/0x900
[  842.506239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.511788]  cache_grow_begin+0xa5/0x8c0
[  842.515864]  ? do_raw_spin_unlock+0xa7/0x330
[  842.520277]  fallback_alloc+0x204/0x2e0
[  842.524258]  ____cache_alloc_node+0x1c7/0x1e0
[  842.528755]  kmem_cache_alloc_node+0xe3/0x730
[  842.533261]  __alloc_skb+0x119/0x770
[  842.536981]  ? netdev_alloc_frag+0x1f0/0x1f0
[  842.541422]  ? atomic_notifier_call_chain+0xc6/0x190
[  842.546546]  ? lock_downgrade+0x900/0x900
[  842.550695]  ? check_preemption_disabled+0x48/0x280
[  842.555714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  842.560643]  ? kasan_check_read+0x11/0x20
[  842.564802]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  842.570077]  ? rcu_softirq_qs+0x20/0x20
[  842.574051]  ? kasan_check_read+0x11/0x20
[  842.578200]  ? do_raw_write_trylock+0x270/0x270
[  842.582885]  __neigh_notify+0x8c/0x160
[  842.586786]  neigh_timer_handler+0x6cb/0xdf0
[  842.591200]  ? neigh_periodic_work+0xc60/0xc60
[  842.595780]  ? __lock_is_held+0xb5/0x140
[  842.599857]  call_timer_fn+0x272/0x920
[  842.603742]  ? neigh_periodic_work+0xc60/0xc60
[  842.608323]  ? process_timeout+0x40/0x40
[  842.612395]  ? __run_timers+0x7da/0xc70
[  842.616420]  ? _raw_spin_unlock_irq+0x27/0x80
[  842.620924]  ? _raw_spin_unlock_irq+0x27/0x80
[  842.625426]  ? neigh_periodic_work+0xc60/0xc60
[  842.630010]  ? lockdep_hardirqs_on+0x296/0x5b0
[  842.634595]  ? trace_hardirqs_on+0xbd/0x310
[  842.638923]  ? kasan_check_read+0x11/0x20
[  842.643073]  ? __run_timers+0x7da/0xc70
[  842.647044]  ? trace_hardirqs_off_caller+0x310/0x310
[  842.652158]  ? neigh_periodic_work+0xc60/0xc60
[  842.656741]  __run_timers+0x7e5/0xc70
[  842.660576]  ? timer_fixup_init+0x70/0x70
[  842.664731]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  842.669749]  ? zap_class+0x640/0x640
[  842.673487]  ? enqueue_hrtimer+0x1a5/0x560
[  842.677725]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  842.682928]  ? find_held_lock+0x36/0x1c0
[  842.686998]  ? zap_class+0x640/0x640
[  842.690715]  ? pvclock_read_flags+0x160/0x160
[  842.695211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.700756]  ? check_preemption_disabled+0x48/0x280
[  842.705786]  ? __lock_is_held+0xb5/0x140
[  842.709863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.715412]  ? check_preemption_disabled+0x48/0x280
[  842.720443]  run_timer_softirq+0x52/0xb0
[  842.724652]  ? rcu_read_lock_sched_held+0x14f/0x180
[  842.729673]  __do_softirq+0x308/0xb7e
[  842.733479]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  842.737976]  ? lock_downgrade+0x900/0x900
[  842.742145]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  842.747254]  ? pvclock_read_flags+0x160/0x160
[  842.751755]  ? lapic_next_event+0x5a/0x90
[  842.755917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.761460]  ? kvm_clock_read+0x18/0x30
[  842.765438]  ? kvm_sched_clock_read+0x9/0x20
[  842.769848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.775405]  ? check_preemption_disabled+0x48/0x280
[  842.780445]  irq_exit+0x17f/0x1c0
[  842.783923]  smp_apic_timer_interrupt+0x1cb/0x760
[  842.788788]  ? smp_reschedule_interrupt+0x109/0x650
[  842.793806]  ? smp_call_function_single_interrupt+0x650/0x650
[  842.799692]  ? interrupt_entry+0xb5/0xc0
[  842.803753]  ? trace_hardirqs_off_caller+0xbb/0x310
[  842.808765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  842.813785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  842.818631]  ? trace_hardirqs_on_caller+0x310/0x310
[  842.823649]  ? trace_hardirqs_on_caller+0x310/0x310
[  842.828667]  ? task_prio+0x50/0x50
[  842.832689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.838227]  ? check_preemption_disabled+0x48/0x280
[  842.843255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  842.848106]  apic_timer_interrupt+0xf/0x20
[  842.852332]  </IRQ>
[  842.854575] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  842.860473] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  842.879382] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  842.887102] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  842.894368] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  842.901647] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  842.908919] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  842.916186] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  842.923494]  ? save_stack+0xa9/0xd0
[  842.927134]  __kmalloc_node_track_caller+0x3c/0x70
[  842.932082]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  842.936845]  pskb_expand_head+0x230/0x10f0
[  842.941084]  ? check_preemption_disabled+0x48/0x280
[  842.946108]  ? memcpy+0x45/0x50
[  842.949389]  ? __copy_skb_header+0x350/0x6b0
[  842.953805]  ? skb_release_data+0x880/0x880
[  842.958125]  ? __alloc_skb+0x770/0x770
[  842.962022]  ? __lock_is_held+0xb5/0x140
[  842.966092]  ? kasan_check_write+0x14/0x20
[  842.970339]  ? __skb_clone+0x6c7/0xa00
[  842.974238]  ? __copy_skb_header+0x6b0/0x6b0
[  842.978655]  ? kmem_cache_alloc+0x33a/0x730
[  842.982993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.988535]  skb_ensure_writable+0x3dd/0x640
[  842.992948]  ? skb_checksum_setup+0xaa0/0xaa0
[  842.997451]  ? preempt_notifier_register+0x200/0x200
[  843.002554]  ? __switch_to_asm+0x34/0x70
[  843.006616]  ? __switch_to_asm+0x34/0x70
[  843.010678]  ? __switch_to_asm+0x40/0x70
[  843.014742]  ? __switch_to_asm+0x34/0x70
[  843.018804]  ? __switch_to_asm+0x40/0x70
[  843.022896]  ? __switch_to_asm+0x40/0x70
[  843.026970]  ? __switch_to_asm+0x34/0x70
[  843.031028]  ? __switch_to_asm+0x34/0x70
[  843.035084]  ? __switch_to_asm+0x40/0x70
[  843.039144]  ? __switch_to_asm+0x34/0x70
[  843.043213]  bpf_clone_redirect+0x14a/0x490
[  843.047542]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  843.052574]  ? __sched_text_start+0x8/0x8
[  843.056724]  ? retint_kernel+0x2d/0x2d
[  843.060626]  ? find_held_lock+0x36/0x1c0
[  843.064699]  ? lock_acquire+0x1ed/0x520
[  843.068672]  ? bpf_test_run+0x3cb/0x780
[  843.072676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.078229]  ? check_preemption_disabled+0x48/0x280
[  843.083267]  ? kasan_check_read+0x11/0x20
[  843.087424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.092705]  ? rcu_softirq_qs+0x20/0x20
[  843.096680]  ? preempt_schedule+0x4d/0x60
[  843.100829]  ? ___preempt_schedule+0x16/0x18
[  843.105241]  ? bpf_test_run+0x25d/0x780
[  843.109225]  ? netlink_diag_dump+0x2a0/0x2a0
[  843.113638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.119189]  ? bpf_test_init.isra.10+0x70/0x100
[  843.123862]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  843.128624]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  843.133474]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  843.139016]  ? fput+0x130/0x1a0
[  843.142295]  ? __bpf_prog_get+0x9b/0x290
[  843.146358]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  843.151196]  ? bpf_prog_test_run+0x130/0x1a0
[  843.155619]  ? __x64_sys_bpf+0x3d8/0x520
[  843.159685]  ? bpf_prog_get+0x20/0x20
[  843.163507]  ? do_syscall_64+0x1b9/0x820
[  843.167567]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  843.172935]  ? syscall_return_slowpath+0x5e0/0x5e0
[  843.177869]  ? trace_hardirqs_on_caller+0x310/0x310
[  843.182887]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  843.187917]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  843.194585]  ? __switch_to_asm+0x40/0x70
[  843.198648]  ? __switch_to_asm+0x34/0x70
[  843.202726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  843.207574]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  843.212961] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  843.213089] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  843.219629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  843.219638] Call Trace:
[  843.230122] syz-executor0 cpuset=syz0 mems_allowed=0
[  843.239482]  <IRQ>
[  843.249312]  dump_stack+0x244/0x39d
[  843.252945]  ? dump_stack_print_info.cold.1+0x20/0x20
[  843.258175]  warn_alloc.cold.116+0xb7/0x1bd
[  843.262529]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  843.267378]  ? lock_downgrade+0x900/0x900
[  843.271589]  ? trace_hardirqs_off+0xb8/0x310
[  843.276007]  ? trace_hardirqs_off+0xb8/0x310
[  843.280436]  __alloc_pages_slowpath+0x26e8/0x2e10
[  843.285311]  ? warn_alloc+0x120/0x120
[  843.289119]  ? warn_alloc+0x120/0x120
[  843.292925]  ? __lock_acquire+0x62f/0x4c20
[  843.297166]  ? warn_alloc+0x120/0x120
[  843.300973]  ? print_usage_bug+0xc0/0xc0
[  843.305041]  ? print_usage_bug+0xc0/0xc0
[  843.309103]  ? mark_held_locks+0x130/0x130
[  843.313346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.318889]  ? should_fail+0x22d/0xd01
[  843.322772]  ? zap_class+0x640/0x640
[  843.326493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  843.331775]  ? __lock_acquire+0x62f/0x4c20
[  843.336017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  843.341134]  ? should_fail+0x22d/0xd01
[  843.345031]  ? mark_held_locks+0x130/0x130
[  843.349273]  ? mark_held_locks+0x130/0x130
[  843.353514]  ? lock_downgrade+0x900/0x900
[  843.357669]  ? zap_class+0x640/0x640
[  843.361387]  ? zap_class+0x640/0x640
[  843.365118]  ? zap_class+0x640/0x640
[  843.368844]  ? do_raw_spin_unlock+0xa7/0x330
[  843.373254]  ? trace_hardirqs_on+0x310/0x310
[  843.377661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.383200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.388737]  ? check_preemption_disabled+0x48/0x280
[  843.393779]  ? __lock_is_held+0xb5/0x140
[  843.397860]  __alloc_pages_nodemask+0xa80/0xde0
[  843.402526]  ? zap_class+0x640/0x640
[  843.406256]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  843.411281]  ? find_held_lock+0x36/0x1c0
[  843.415365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  843.420061]  ? lock_downgrade+0x900/0x900
[  843.424219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.429772]  cache_grow_begin+0xa5/0x8c0
[  843.433856]  ? do_raw_spin_unlock+0xa7/0x330
[  843.438274]  fallback_alloc+0x204/0x2e0
[  843.442251]  ____cache_alloc_node+0x1c7/0x1e0
[  843.446753]  kmem_cache_alloc_node+0xe3/0x730
[  843.451258]  ? lockdep_hardirqs_on+0x296/0x5b0
[  843.455849]  __alloc_skb+0x119/0x770
[  843.459562]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  843.464947]  ? netdev_alloc_frag+0x1f0/0x1f0
[  843.469366]  ? vprintk_default+0x28/0x30
[  843.473445]  ? vprintk_func+0x85/0x181
[  843.477339]  ? printk+0xa7/0xcf
[  843.480619]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  843.485381]  new_skb+0x26/0x1c0
[  843.488685]  aoecmd_cfg+0x279/0x7f0
[  843.492315]  ? find_held_lock+0x36/0x1c0
[  843.496374]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  843.500715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.506289]  ? __lock_is_held+0xb5/0x140
[  843.510361]  discover_timer+0x50/0x60
[  843.514161]  call_timer_fn+0x272/0x920
[  843.518064]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  843.522936]  ? process_timeout+0x40/0x40
[  843.527011]  ? mark_held_locks+0xc7/0x130
[  843.531162]  ? _raw_spin_unlock_irq+0x27/0x80
[  843.535662]  ? _raw_spin_unlock_irq+0x27/0x80
[  843.540155]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  843.544998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  843.549581]  ? trace_hardirqs_on+0xbd/0x310
[  843.553904]  ? kasan_check_read+0x11/0x20
[  843.558057]  ? __run_timers+0x7da/0xc70
[  843.562040]  ? trace_hardirqs_off_caller+0x310/0x310
[  843.567153]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  843.571998]  __run_timers+0x7e5/0xc70
[  843.575807]  ? timer_fixup_init+0x70/0x70
[  843.579955]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  843.584971]  ? zap_class+0x640/0x640
[  843.588706]  ? print_usage_bug+0xc0/0xc0
[  843.592773]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  843.597984]  ? find_held_lock+0x36/0x1c0
[  843.602054]  ? zap_class+0x640/0x640
[  843.605780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.611316]  ? check_preemption_disabled+0x48/0x280
[  843.616382]  ? __lock_is_held+0xb5/0x140
[  843.620483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.626027]  ? check_preemption_disabled+0x48/0x280
[  843.631053]  run_timer_softirq+0x52/0xb0
[  843.635113]  ? rcu_read_lock_sched_held+0x14f/0x180
[  843.640130]  __do_softirq+0x308/0xb7e
[  843.643951]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  843.648449]  ? lock_downgrade+0x900/0x900
[  843.652602]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  843.657714]  ? pvclock_read_flags+0x160/0x160
[  843.662238]  ? lapic_next_event+0x5a/0x90
[  843.666392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.671966]  ? kvm_clock_read+0x18/0x30
[  843.675941]  ? kvm_sched_clock_read+0x9/0x20
[  843.680354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.685892]  ? check_preemption_disabled+0x48/0x280
[  843.690923]  irq_exit+0x17f/0x1c0
[  843.694385]  smp_apic_timer_interrupt+0x1cb/0x760
[  843.699247]  ? smp_reschedule_interrupt+0x109/0x650
[  843.704271]  ? smp_call_function_single_interrupt+0x650/0x650
[  843.710158]  ? interrupt_entry+0xb5/0xc0
[  843.714223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  843.719244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  843.724268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  843.729172]  ? trace_hardirqs_on_caller+0x310/0x310
[  843.734201]  ? trace_hardirqs_on_caller+0x310/0x310
[  843.739220]  ? task_prio+0x50/0x50
[  843.742765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.748306]  ? check_preemption_disabled+0x48/0x280
[  843.753329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  843.758187]  apic_timer_interrupt+0xf/0x20
[  843.762429]  </IRQ>
[  843.764674] RIP: 0010:dump_stack+0x358/0x39d
[  843.769086] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  843.787983] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  843.795691] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  843.802961] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  843.810231] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  843.817499] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  843.824765] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  843.832051]  ? dump_stack+0x34f/0x39d
[  843.835866]  ? dump_stack_print_info.cold.1+0x20/0x20
[  843.841064]  ? mark_held_locks+0x130/0x130
[  843.845311]  ? mark_held_locks+0x130/0x130
[  843.849569]  dump_header+0x27b/0xf72
[  843.853309]  ? pagefault_out_of_memory+0x197/0x197
[  843.858251]  ? __lock_acquire+0x62f/0x4c20
[  843.862488]  ? percpu_ref_get_many+0x240/0x240
[  843.867079]  ? print_usage_bug+0xc0/0xc0
[  843.871149]  ? zap_class+0x640/0x640
[  843.874866]  ? print_usage_bug+0xc0/0xc0
[  843.878925]  ? print_usage_bug+0xc0/0xc0
[  843.882989]  ? zap_class+0x640/0x640
[  843.886707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.892251]  ? find_held_lock+0x36/0x1c0
[  843.896335]  ? mark_held_locks+0xc7/0x130
[  843.900491]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  843.905596]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  843.910713]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  843.915295]  ? trace_hardirqs_on+0xbd/0x310
[  843.919641]  ? kasan_check_read+0x11/0x20
[  843.923803]  ? ___ratelimit+0x3b4/0x672
[  843.927779]  ? trace_hardirqs_off_caller+0x310/0x310
[  843.932884]  ? trace_hardirqs_on+0x310/0x310
[  843.937305]  ? lock_downgrade+0x900/0x900
[  843.941462]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  843.946597]  ? ___ratelimit+0x3b9/0x672
[  843.950579]  ? idr_get_free+0xf80/0xf80
[  843.954554]  ? find_held_lock+0x36/0x1c0
[  843.958630]  oom_kill_process.cold.27+0x10/0x903
[  843.963408]  ? zap_class+0x640/0x640
[  843.967126]  ? check_preemption_disabled+0x48/0x280
[  843.972170]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  843.977111]  ? kasan_check_read+0x11/0x20
[  843.981262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.986540]  ? oom_evaluate_task+0x540/0x540
[  843.990955]  ? find_held_lock+0x36/0x1c0
[  843.995021]  ? out_of_memory+0x974/0x1430
[  843.999171]  ? lock_downgrade+0x900/0x900
[  844.003334]  ? check_preemption_disabled+0x48/0x280
[  844.008352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  844.013292]  ? kasan_check_read+0x11/0x20
[  844.017442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  844.022718]  ? rcu_softirq_qs+0x20/0x20
[  844.026699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.032233]  ? oom_evaluate_task+0x302/0x540
[  844.036702]  out_of_memory+0xa84/0x1430
[  844.040686]  ? oom_killer_disable+0x3a0/0x3a0
[  844.045184]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  844.050117]  ? __ww_mutex_check_waiters+0x160/0x160
[  844.055140]  __alloc_pages_slowpath+0x2354/0x2e10
[  844.060016]  ? warn_alloc+0x120/0x120
[  844.063858]  ? mark_held_locks+0x130/0x130
[  844.068103]  ? find_get_entry+0xaae/0x1120
[  844.072347]  ? filemap_map_pages+0x1a20/0x1a20
[  844.076930]  ? zap_class+0x640/0x640
[  844.080650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.086199]  ? check_preemption_disabled+0x48/0x280
[  844.091216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.096765]  ? should_fail+0x22d/0xd01
[  844.100660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  844.105765]  ? zap_class+0x640/0x640
[  844.109505]  ? __lock_is_held+0xb5/0x140
[  844.113598]  ? mark_held_locks+0x130/0x130
[  844.117840]  ? lock_release+0xa00/0xa00
[  844.121815]  ? perf_trace_sched_process_exec+0x860/0x860
[  844.127264]  ? xa_load+0x2ba/0x460
[  844.130807]  ? lock_downgrade+0x900/0x900
[  844.134961]  ? __might_sleep+0x95/0x190
[  844.138942]  __alloc_pages_nodemask+0xa80/0xde0
[  844.143619]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  844.148635]  ? __page_cache_alloc+0x191/0x5c0
[  844.153138]  ? xa_load+0x2e1/0x460
[  844.156682]  ? xa_clear_mark+0x40/0x40
[  844.160571]  ? zap_class+0x640/0x640
[  844.164308]  ? zap_class+0x640/0x640
[  844.168021]  ? zap_class+0x640/0x640
[  844.171741]  ? __do_page_cache_readahead+0x663/0x810
[  844.176853]  ? find_held_lock+0x36/0x1c0
[  844.180922]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  844.186464]  alloc_pages_current+0x173/0x350
[  844.190878]  __page_cache_alloc+0x38c/0x5c0
[  844.195198]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  844.200128]  ? kasan_check_read+0x11/0x20
[  844.204275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  844.209556]  ? generic_perform_write+0x6a0/0x6a0
[  844.214314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.219850]  ? check_preemption_disabled+0x48/0x280
[  844.224875]  filemap_fault+0x1595/0x25f0
[  844.228963]  ? __lock_page_or_retry+0xa00/0xa00
[  844.233639]  ? mark_held_locks+0x130/0x130
[  844.237886]  ? filemap_map_pages+0xd6b/0x1a20
[  844.242384]  ? lock_downgrade+0x900/0x900
[  844.246546]  ? check_preemption_disabled+0x48/0x280
[  844.251565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  844.256522]  ? kasan_check_read+0x11/0x20
[  844.260670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  844.265951]  ? rcu_softirq_qs+0x20/0x20
[  844.269943]  ? filemap_map_pages+0xd92/0x1a20
[  844.274458]  ? find_get_entries_tag+0x1400/0x1400
[  844.279305]  ? debug_object_destroy+0x2b0/0x2b0
[  844.283981]  ? lock_pi_update_atomic+0x150/0x150
[  844.288741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.294316]  ? lock_acquire+0x1ed/0x520
[  844.298290]  ? ext4_filemap_fault+0x7a/0xad
[  844.302621]  ? lock_release+0xa00/0xa00
[  844.306597]  ? perf_trace_sched_process_exec+0x860/0x860
[  844.312055]  ? print_usage_bug+0xc0/0xc0
[  844.316117]  ? print_usage_bug+0xc0/0xc0
[  844.320188]  ? down_read+0x8d/0x120
[  844.323813]  ? ext4_filemap_fault+0x7a/0xad
[  844.328137]  ? __down_interruptible+0x700/0x700
[  844.332817]  ext4_filemap_fault+0x82/0xad
[  844.336968]  __do_fault+0x100/0x6b0
[  844.340611]  ? find_held_lock+0x36/0x1c0
[  844.344681]  ? pmd_devmap_trans_unstable+0x220/0x220
[  844.349801]  ? mark_held_locks+0x130/0x130
[  844.354051]  ? mark_held_locks+0x130/0x130
[  844.358289]  ? _raw_spin_unlock_irq+0x27/0x80
[  844.362785]  ? _raw_spin_unlock_irq+0x27/0x80
[  844.367299]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  844.371884]  ? kasan_check_read+0x11/0x20
[  844.376036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.381594]  __handle_mm_fault+0x3ea6/0x5be0
[  844.386024]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  844.390882]  ? finish_task_switch+0x1f4/0x910
[  844.395375]  ? finish_task_switch+0x1b4/0x910
[  844.399910]  ? __switch_to_asm+0x34/0x70
[  844.403978]  ? preempt_notifier_register+0x200/0x200
[  844.409079]  ? __switch_to_asm+0x34/0x70
[  844.413140]  ? __switch_to_asm+0x34/0x70
[  844.417229]  ? zap_class+0x640/0x640
[  844.420947]  ? zap_class+0x640/0x640
[  844.424662]  ? __x64_sys_futex+0x53e/0x6a0
[  844.428901]  ? find_held_lock+0x36/0x1c0
[  844.433149]  ? handle_mm_fault+0x42a/0xc70
[  844.437418]  ? lock_downgrade+0x900/0x900
[  844.441568]  ? check_preemption_disabled+0x48/0x280
[  844.446586]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  844.451542]  ? kasan_check_read+0x11/0x20
[  844.455689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  844.460967]  ? rcu_softirq_qs+0x20/0x20
[  844.464943]  ? trace_hardirqs_off_caller+0x310/0x310
[  844.470051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.475589]  ? check_preemption_disabled+0x48/0x280
[  844.480616]  handle_mm_fault+0x54f/0xc70
[  844.484684]  ? __handle_mm_fault+0x5be0/0x5be0
[  844.489307]  ? find_vma+0x34/0x190
[  844.492852]  __do_page_fault+0x5e8/0xe60
[  844.496913]  ? trace_hardirqs_off+0xb8/0x310
[  844.501335]  do_page_fault+0xf2/0x7e0
[  844.505140]  ? vmalloc_sync_all+0x30/0x30
[  844.509292]  ? error_entry+0x70/0xd0
[  844.513023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  844.518052]  ? trace_hardirqs_on_caller+0xc0/0x310
[  844.522991]  ? syscall_return_slowpath+0x5e0/0x5e0
[  844.527917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  844.532767]  ? trace_hardirqs_on_caller+0x310/0x310
[  844.537786]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  844.543240]  ? prepare_exit_to_usermode+0x291/0x3b0
[  844.548284]  ? page_fault+0x8/0x30
[  844.551841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  844.556726]  ? page_fault+0x8/0x30
[  844.560298]  page_fault+0x1e/0x30
[  844.563798] RIP: 0033:0x45ddf3
[  844.567003] Code: Bad RIP value.
[  844.570375] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  844.575751] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  844.583014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  844.590277] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  844.597543] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  844.604812] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  844.612105] warn_alloc_show_mem: 1 callbacks suppressed
[  844.612117] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  844.612119] Mem-Info:
[  844.612150] active_anon:53034 inactive_anon:131 isolated_anon:0
[  844.612150]  active_file:14 inactive_file:14 isolated_file:0
[  844.612150]  unevictable:0 dirty:0 writeback:0 unstable:0
[  844.612150]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  844.612150]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  844.612150]  free:13749 free_pcp:564 free_cma:0
[  844.617487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  844.617509] Call Trace:
[  844.624534] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  844.626936]  <IRQ>
[  844.659891] 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
[  844.669262]  dump_stack+0x244/0x39d
[  844.671826] lowmem_reserve[]: 0 2818 6321 6321
[  844.699233]  ? dump_stack_print_info.cold.1+0x20/0x20
[  844.701379] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  844.727692]  warn_alloc.cold.116+0xb7/0x1bd
[  844.731290] lowmem_reserve[]: 0 0 3503 3503
[  844.735870]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  844.741038] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  844.768532]  ? lock_downgrade+0x900/0x900
[  844.772834] lowmem_reserve[]: 0 0 0 0
[  844.777157]  ? trace_hardirqs_off+0xb8/0x310
[  844.781975] 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
[  844.811140]  ? trace_hardirqs_off+0xb8/0x310
[  844.815278] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  844.819100]  __alloc_pages_slowpath+0x26e8/0x2e10
[  844.823484] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  844.837484]  ? warn_alloc+0x120/0x120
[  844.841875] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  844.857042]  ? warn_alloc+0x120/0x120
[  844.861867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  844.877287]  ? warn_alloc+0x120/0x120
[  844.881065] 166 total pagecache pages
[  844.889903]  ? print_usage_bug+0xc0/0xc0
[  844.893685] 0 pages in swap cache
[  844.902246]  ? enqueue_hrtimer+0x1a5/0x560
[  844.906040] Swap cache stats: add 0, delete 0, find 0/0
[  844.909828]  ? print_usage_bug+0xc0/0xc0
[  844.913867] Free swap  = 0kB
[  844.917316]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  844.921519] Total swap = 0kB
[  844.921529] 1965979 pages RAM
[  844.926891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.930920] 0 pages HighMem/MovableOnly
[  844.930930] 342858 pages reserved
[  844.933950]  ? should_fail+0x22d/0xd01
[  844.939118] 0 pages cma reserved
[  844.942133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  844.945270] aoe: skb alloc failure
[  844.950754]  ? __lock_acquire+0x62f/0x4c20
[  844.950772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  844.950802]  ? __lock_acquire+0x62f/0x4c20
[  844.954796] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  844.958227]  ? should_fail+0x22d/0xd01
[  844.962092] syz-fuzzer cpuset=/ mems_allowed=0
[  844.965466]  ? mark_held_locks+0x130/0x130
[  845.010533]  ? mark_held_locks+0x130/0x130
[  845.014771]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  845.019802]  ? ktime_get+0x2c1/0x400
[  845.023532]  ? zap_class+0x640/0x640
[  845.027260]  ? print_usage_bug+0xc0/0xc0
[  845.031330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.036880]  ? check_preemption_disabled+0x48/0x280
[  845.041918]  ? __lock_is_held+0xb5/0x140
[  845.045991]  __alloc_pages_nodemask+0xa80/0xde0
[  845.050668]  ? zap_class+0x640/0x640
[  845.054391]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  845.059453]  ? find_held_lock+0x36/0x1c0
[  845.063536]  ? ____cache_alloc_node+0x1c7/0x1e0
[  845.068207]  ? lock_downgrade+0x900/0x900
[  845.072380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.077939]  cache_grow_begin+0xa5/0x8c0
[  845.082007]  ? do_raw_spin_unlock+0xa7/0x330
[  845.086429]  fallback_alloc+0x204/0x2e0
[  845.090421]  ____cache_alloc_node+0x1c7/0x1e0
[  845.094931]  kmem_cache_alloc_node+0xe3/0x730
[  845.099438]  ? ipv6_get_ifaddr+0x42e/0x620
[  845.103682]  __alloc_skb+0x119/0x770
[  845.107405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  845.112691]  ? netdev_alloc_frag+0x1f0/0x1f0
[  845.117101]  ? lock_downgrade+0x900/0x900
[  845.121270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.126818]  ? refcount_sub_and_test_checked+0x203/0x310
[  845.132274]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  845.137735]  ? addrconf_rs_timer+0x690/0x690
[  845.142157]  ndisc_alloc_skb+0x144/0x340
[  845.146237]  ndisc_send_rs+0x331/0x6e0
[  845.150133]  addrconf_rs_timer+0x314/0x690
[  845.154376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.158634]  call_timer_fn+0x272/0x920
[  845.162521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.166761]  ? process_timeout+0x40/0x40
[  845.170845]  ? __run_timers+0x7da/0xc70
[  845.174825]  ? _raw_spin_unlock_irq+0x27/0x80
[  845.179320]  ? _raw_spin_unlock_irq+0x27/0x80
[  845.183815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.188049]  ? lockdep_hardirqs_on+0x296/0x5b0
[  845.192632]  ? trace_hardirqs_on+0xbd/0x310
[  845.196968]  ? kasan_check_read+0x11/0x20
[  845.201117]  ? __run_timers+0x7da/0xc70
[  845.205104]  ? trace_hardirqs_off_caller+0x310/0x310
[  845.210225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.214461]  __run_timers+0x7e5/0xc70
[  845.218283]  ? timer_fixup_init+0x70/0x70
[  845.222436]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  845.227462]  ? zap_class+0x640/0x640
[  845.231200]  ? enqueue_hrtimer+0x1a5/0x560
[  845.235449]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  845.240660]  ? find_held_lock+0x36/0x1c0
[  845.244729]  ? zap_class+0x640/0x640
[  845.248453]  ? pvclock_read_flags+0x160/0x160
[  845.252949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.258524]  ? check_preemption_disabled+0x48/0x280
[  845.263552]  ? __lock_is_held+0xb5/0x140
[  845.267617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.273155]  ? check_preemption_disabled+0x48/0x280
[  845.278175]  run_timer_softirq+0x52/0xb0
[  845.282250]  ? rcu_read_lock_sched_held+0x14f/0x180
[  845.287267]  __do_softirq+0x308/0xb7e
[  845.291090]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  845.295589]  ? lock_downgrade+0x900/0x900
[  845.299744]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  845.304880]  ? pvclock_read_flags+0x160/0x160
[  845.309392]  ? lapic_next_event+0x5a/0x90
[  845.313569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.319129]  ? kvm_clock_read+0x18/0x30
[  845.323107]  ? kvm_sched_clock_read+0x9/0x20
[  845.327520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.333077]  ? check_preemption_disabled+0x48/0x280
[  845.338119]  irq_exit+0x17f/0x1c0
[  845.341592]  smp_apic_timer_interrupt+0x1cb/0x760
[  845.346441]  ? smp_reschedule_interrupt+0x109/0x650
[  845.351466]  ? smp_call_function_single_interrupt+0x650/0x650
[  845.357353]  ? interrupt_entry+0xb5/0xc0
[  845.361424]  ? trace_hardirqs_off_caller+0xbb/0x310
[  845.366449]  ? trace_hardirqs_off_caller+0xbb/0x310
[  845.371473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  845.376324]  ? trace_hardirqs_on_caller+0x310/0x310
[  845.381344]  ? trace_hardirqs_on_caller+0x310/0x310
[  845.386364]  ? task_prio+0x50/0x50
[  845.389927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.395481]  ? check_preemption_disabled+0x48/0x280
[  845.400508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  845.405363]  apic_timer_interrupt+0xf/0x20
[  845.409601]  </IRQ>
[  845.411860] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  845.417750] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  845.436648] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  845.444354] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  845.451625] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  845.458895] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  845.466168] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  845.473436] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  845.480733]  ? save_stack+0xa9/0xd0
[  845.484379]  __kmalloc_node_track_caller+0x3c/0x70
[  845.489327]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  845.494100]  pskb_expand_head+0x230/0x10f0
[  845.498335]  ? check_preemption_disabled+0x48/0x280
[  845.503355]  ? memcpy+0x45/0x50
[  845.506641]  ? __copy_skb_header+0x350/0x6b0
[  845.511053]  ? skb_release_data+0x880/0x880
[  845.515408]  ? __alloc_skb+0x770/0x770
[  845.519316]  ? __lock_is_held+0xb5/0x140
[  845.523382]  ? kasan_check_write+0x14/0x20
[  845.527625]  ? __skb_clone+0x6c7/0xa00
[  845.531520]  ? __copy_skb_header+0x6b0/0x6b0
[  845.535959]  ? kmem_cache_alloc+0x33a/0x730
[  845.540305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.545872]  skb_ensure_writable+0x3dd/0x640
[  845.550287]  ? skb_checksum_setup+0xaa0/0xaa0
[  845.554787]  ? preempt_notifier_register+0x200/0x200
[  845.559890]  ? __switch_to_asm+0x34/0x70
[  845.563961]  ? __switch_to_asm+0x34/0x70
[  845.568024]  ? __switch_to_asm+0x40/0x70
[  845.572087]  ? __switch_to_asm+0x34/0x70
[  845.576160]  ? __switch_to_asm+0x40/0x70
[  845.580225]  ? __switch_to_asm+0x40/0x70
[  845.584284]  ? __switch_to_asm+0x34/0x70
[  845.588348]  ? __switch_to_asm+0x34/0x70
[  845.592414]  ? __switch_to_asm+0x40/0x70
[  845.596476]  ? __switch_to_asm+0x34/0x70
[  845.600560]  bpf_clone_redirect+0x14a/0x490
[  845.604929]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  845.609953]  ? __sched_text_start+0x8/0x8
[  845.614117]  ? retint_kernel+0x2d/0x2d
[  845.618035]  ? find_held_lock+0x36/0x1c0
[  845.622104]  ? lock_acquire+0x1ed/0x520
[  845.626077]  ? bpf_test_run+0x3cb/0x780
[  845.630055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.635595]  ? check_preemption_disabled+0x48/0x280
[  845.640618]  ? kasan_check_read+0x11/0x20
[  845.644768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  845.650048]  ? rcu_softirq_qs+0x20/0x20
[  845.654024]  ? preempt_schedule+0x4d/0x60
[  845.658173]  ? ___preempt_schedule+0x16/0x18
[  845.662594]  ? bpf_test_run+0x25d/0x780
[  845.666580]  ? netlink_diag_dump+0x2a0/0x2a0
[  845.670991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  845.676527]  ? bpf_test_init.isra.10+0x70/0x100
[  845.681201]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  845.685969]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  845.690843]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  845.696387]  ? fput+0x130/0x1a0
[  845.699691]  ? __bpf_prog_get+0x9b/0x290
[  845.703758]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  845.708602]  ? bpf_prog_test_run+0x130/0x1a0
[  845.713020]  ? __x64_sys_bpf+0x3d8/0x520
[  845.717085]  ? bpf_prog_get+0x20/0x20
[  845.720906]  ? do_syscall_64+0x1b9/0x820
[  845.724980]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  845.730348]  ? syscall_return_slowpath+0x5e0/0x5e0
[  845.735280]  ? trace_hardirqs_on_caller+0x310/0x310
[  845.740298]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  845.745345]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  845.752010]  ? __switch_to_asm+0x40/0x70
[  845.756075]  ? __switch_to_asm+0x34/0x70
[  845.760142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  845.764993]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  845.770406] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  845.770490] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  845.777091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  845.777099] Call Trace:
[  845.783691] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  845.792925]  <IRQ>
[  845.795498] syz-executor0 cpuset=syz0 mems_allowed=0
[  845.805998]  dump_stack+0x244/0x39d
[  845.816840]  ? dump_stack_print_info.cold.1+0x20/0x20
[  845.822042]  warn_alloc.cold.116+0xb7/0x1bd
[  845.826362]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  845.831229]  ? lock_downgrade+0x900/0x900
[  845.835395]  ? trace_hardirqs_off+0xb8/0x310
[  845.839826]  ? trace_hardirqs_off+0xb8/0x310
[  845.844243]  __alloc_pages_slowpath+0x26e8/0x2e10
[  845.849110]  ? warn_alloc+0x120/0x120
[  845.852916]  ? warn_alloc+0x120/0x120
[  845.856720]  ? __lock_acquire+0x62f/0x4c20
[  845.860956]  ? warn_alloc+0x120/0x120
[  845.864763]  ? print_usage_bug+0xc0/0xc0
[  845.868828]  ? print_usage_bug+0xc0/0xc0
[  845.872893]  ? mark_held_locks+0x130/0x130
[  845.877132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  845.882669]  ? should_fail+0x22d/0xd01
[  845.886567]  ? zap_class+0x640/0x640
[  845.890285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  845.895392]  ? __lock_acquire+0x62f/0x4c20
[  845.899652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  845.904779]  ? should_fail+0x22d/0xd01
[  845.908678]  ? mark_held_locks+0x130/0x130
[  845.912914]  ? mark_held_locks+0x130/0x130
[  845.917148]  ? lock_downgrade+0x900/0x900
[  845.921303]  ? zap_class+0x640/0x640
[  845.925017]  ? zap_class+0x640/0x640
[  845.928759]  ? zap_class+0x640/0x640
[  845.932469]  ? do_raw_spin_unlock+0xa7/0x330
[  845.936881]  ? trace_hardirqs_on+0x310/0x310
[  845.941291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.946840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.952406]  ? check_preemption_disabled+0x48/0x280
[  845.957450]  ? __lock_is_held+0xb5/0x140
[  845.961521]  __alloc_pages_nodemask+0xa80/0xde0
[  845.966192]  ? zap_class+0x640/0x640
[  845.969910]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  845.974940]  ? find_held_lock+0x36/0x1c0
[  845.979014]  ? ____cache_alloc_node+0x1c7/0x1e0
[  845.983685]  ? lock_downgrade+0x900/0x900
[  845.987843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.993388]  cache_grow_begin+0xa5/0x8c0
[  845.997479]  ? do_raw_spin_unlock+0xa7/0x330
[  846.001919]  fallback_alloc+0x204/0x2e0
[  846.005906]  ____cache_alloc_node+0x1c7/0x1e0
[  846.010426]  kmem_cache_alloc_node+0xe3/0x730
[  846.014925]  ? lockdep_hardirqs_on+0x296/0x5b0
[  846.019528]  __alloc_skb+0x119/0x770
[  846.023254]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  846.028629]  ? netdev_alloc_frag+0x1f0/0x1f0
[  846.033048]  ? vprintk_default+0x28/0x30
[  846.037108]  ? vprintk_func+0x85/0x181
[  846.040995]  ? printk+0xa7/0xcf
[  846.044278]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  846.049043]  new_skb+0x26/0x1c0
[  846.052327]  aoecmd_cfg+0x279/0x7f0
[  846.055954]  ? find_held_lock+0x36/0x1c0
[  846.060019]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  846.064347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.069898]  ? __lock_is_held+0xb5/0x140
[  846.073969]  discover_timer+0x50/0x60
[  846.077770]  call_timer_fn+0x272/0x920
[  846.081831]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  846.086672]  ? process_timeout+0x40/0x40
[  846.090745]  ? mark_held_locks+0xc7/0x130
[  846.094896]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.099403]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.103904]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  846.108765]  ? lockdep_hardirqs_on+0x296/0x5b0
[  846.113348]  ? trace_hardirqs_on+0xbd/0x310
[  846.117666]  ? kasan_check_read+0x11/0x20
[  846.121833]  ? __run_timers+0x7da/0xc70
[  846.125804]  ? trace_hardirqs_off_caller+0x310/0x310
[  846.130914]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  846.135756]  __run_timers+0x7e5/0xc70
[  846.139594]  ? timer_fixup_init+0x70/0x70
[  846.143760]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  846.148776]  ? zap_class+0x640/0x640
[  846.152495]  ? print_usage_bug+0xc0/0xc0
[  846.156557]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  846.161758]  ? find_held_lock+0x36/0x1c0
[  846.165829]  ? zap_class+0x640/0x640
[  846.169549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.175087]  ? check_preemption_disabled+0x48/0x280
[  846.180111]  ? __lock_is_held+0xb5/0x140
[  846.184173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.189711]  ? check_preemption_disabled+0x48/0x280
[  846.194741]  run_timer_softirq+0x52/0xb0
[  846.198814]  ? rcu_read_lock_sched_held+0x14f/0x180
[  846.203831]  __do_softirq+0x308/0xb7e
[  846.207637]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  846.212129]  ? lock_downgrade+0x900/0x900
[  846.216279]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  846.221387]  ? pvclock_read_flags+0x160/0x160
[  846.225900]  ? lapic_next_event+0x5a/0x90
[  846.230049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.235591]  ? kvm_clock_read+0x18/0x30
[  846.239564]  ? kvm_sched_clock_read+0x9/0x20
[  846.243976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.249514]  ? check_preemption_disabled+0x48/0x280
[  846.254541]  irq_exit+0x17f/0x1c0
[  846.257996]  smp_apic_timer_interrupt+0x1cb/0x760
[  846.262839]  ? smp_reschedule_interrupt+0x109/0x650
[  846.267873]  ? smp_call_function_single_interrupt+0x650/0x650
[  846.273759]  ? interrupt_entry+0xb5/0xc0
[  846.277868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  846.282880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  846.287900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  846.292746]  ? trace_hardirqs_on_caller+0x310/0x310
[  846.297779]  ? trace_hardirqs_on_caller+0x310/0x310
[  846.302806]  ? task_prio+0x50/0x50
[  846.306350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.311889]  ? check_preemption_disabled+0x48/0x280
[  846.316910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  846.321764]  apic_timer_interrupt+0xf/0x20
[  846.325989]  </IRQ>
[  846.328229] RIP: 0010:dump_stack+0x358/0x39d
[  846.332648] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  846.351547] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  846.359257] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  846.366538] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  846.373828] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  846.381100] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  846.388394] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  846.395710]  ? dump_stack+0x34f/0x39d
[  846.399537]  ? dump_stack_print_info.cold.1+0x20/0x20
[  846.404756]  ? mark_held_locks+0x130/0x130
[  846.408995]  ? mark_held_locks+0x130/0x130
[  846.413236]  dump_header+0x27b/0xf72
[  846.416966]  ? pagefault_out_of_memory+0x197/0x197
[  846.421906]  ? __lock_acquire+0x62f/0x4c20
[  846.426143]  ? percpu_ref_get_many+0x240/0x240
[  846.430730]  ? print_usage_bug+0xc0/0xc0
[  846.434802]  ? zap_class+0x640/0x640
[  846.438524]  ? print_usage_bug+0xc0/0xc0
[  846.442588]  ? print_usage_bug+0xc0/0xc0
[  846.446650]  ? zap_class+0x640/0x640
[  846.450376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.455933]  ? find_held_lock+0x36/0x1c0
[  846.460007]  ? mark_held_locks+0xc7/0x130
[  846.464159]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  846.469280]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  846.474385]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  846.478986]  ? trace_hardirqs_on+0xbd/0x310
[  846.483308]  ? kasan_check_read+0x11/0x20
[  846.487471]  ? ___ratelimit+0x3b4/0x672
[  846.491450]  ? trace_hardirqs_off_caller+0x310/0x310
[  846.496575]  ? trace_hardirqs_on+0x310/0x310
[  846.500989]  ? lock_downgrade+0x900/0x900
[  846.505142]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  846.510273]  ? ___ratelimit+0x3b9/0x672
[  846.514252]  ? idr_get_free+0xf80/0xf80
[  846.518225]  ? find_held_lock+0x36/0x1c0
[  846.522301]  oom_kill_process.cold.27+0x10/0x903
[  846.527061]  ? zap_class+0x640/0x640
[  846.530778]  ? check_preemption_disabled+0x48/0x280
[  846.535802]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  846.540733]  ? kasan_check_read+0x11/0x20
[  846.544881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  846.550161]  ? oom_evaluate_task+0x540/0x540
[  846.554576]  ? find_held_lock+0x36/0x1c0
[  846.558656]  ? out_of_memory+0x974/0x1430
[  846.562805]  ? lock_downgrade+0x900/0x900
[  846.566952]  ? check_preemption_disabled+0x48/0x280
[  846.571969]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  846.576911]  ? kasan_check_read+0x11/0x20
[  846.581056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  846.586333]  ? rcu_softirq_qs+0x20/0x20
[  846.590315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.595850]  ? oom_evaluate_task+0x302/0x540
[  846.600267]  out_of_memory+0xa84/0x1430
[  846.604252]  ? oom_killer_disable+0x3a0/0x3a0
[  846.608748]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  846.613691]  ? __ww_mutex_check_waiters+0x160/0x160
[  846.618723]  __alloc_pages_slowpath+0x2354/0x2e10
[  846.623605]  ? warn_alloc+0x120/0x120
[  846.627420]  ? mark_held_locks+0x130/0x130
[  846.631666]  ? find_get_entry+0xaae/0x1120
[  846.635924]  ? filemap_map_pages+0x1a20/0x1a20
[  846.640524]  ? zap_class+0x640/0x640
[  846.644241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.649781]  ? check_preemption_disabled+0x48/0x280
[  846.654796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.660349]  ? should_fail+0x22d/0xd01
[  846.664241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  846.669350]  ? zap_class+0x640/0x640
[  846.673092]  ? __lock_is_held+0xb5/0x140
[  846.677175]  ? mark_held_locks+0x130/0x130
[  846.681442]  ? lock_release+0xa00/0xa00
[  846.685435]  ? perf_trace_sched_process_exec+0x860/0x860
[  846.690901]  ? xa_load+0x2ba/0x460
[  846.694450]  ? lock_downgrade+0x900/0x900
[  846.698615]  ? __might_sleep+0x95/0x190
[  846.702613]  __alloc_pages_nodemask+0xa80/0xde0
[  846.707309]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  846.712327]  ? __page_cache_alloc+0x191/0x5c0
[  846.716829]  ? xa_load+0x2e1/0x460
[  846.720370]  ? xa_clear_mark+0x40/0x40
[  846.724788]  ? zap_class+0x640/0x640
[  846.728526]  ? zap_class+0x640/0x640
[  846.732240]  ? zap_class+0x640/0x640
[  846.735955]  ? __do_page_cache_readahead+0x663/0x810
[  846.741086]  ? find_held_lock+0x36/0x1c0
[  846.745149]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  846.750690]  alloc_pages_current+0x173/0x350
[  846.755107]  __page_cache_alloc+0x38c/0x5c0
[  846.759452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  846.764378]  ? kasan_check_read+0x11/0x20
[  846.768540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  846.773832]  ? generic_perform_write+0x6a0/0x6a0
[  846.778609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.784161]  ? check_preemption_disabled+0x48/0x280
[  846.789188]  filemap_fault+0x1595/0x25f0
[  846.793271]  ? __lock_page_or_retry+0xa00/0xa00
[  846.797945]  ? mark_held_locks+0x130/0x130
[  846.802188]  ? filemap_map_pages+0xd6b/0x1a20
[  846.806695]  ? lock_downgrade+0x900/0x900
[  846.810843]  ? check_preemption_disabled+0x48/0x280
[  846.815877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  846.820832]  ? kasan_check_read+0x11/0x20
[  846.824986]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  846.830395]  ? rcu_softirq_qs+0x20/0x20
[  846.834420]  ? filemap_map_pages+0xd92/0x1a20
[  846.838932]  ? find_get_entries_tag+0x1400/0x1400
[  846.843777]  ? debug_object_destroy+0x2b0/0x2b0
[  846.848459]  ? lock_pi_update_atomic+0x150/0x150
[  846.853211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.858765]  ? lock_acquire+0x1ed/0x520
[  846.862755]  ? ext4_filemap_fault+0x7a/0xad
[  846.867082]  ? lock_release+0xa00/0xa00
[  846.871059]  ? perf_trace_sched_process_exec+0x860/0x860
[  846.876516]  ? print_usage_bug+0xc0/0xc0
[  846.880581]  ? print_usage_bug+0xc0/0xc0
[  846.884652]  ? down_read+0x8d/0x120
[  846.888284]  ? ext4_filemap_fault+0x7a/0xad
[  846.892619]  ? __down_interruptible+0x700/0x700
[  846.897297]  ext4_filemap_fault+0x82/0xad
[  846.901449]  __do_fault+0x100/0x6b0
[  846.905079]  ? find_held_lock+0x36/0x1c0
[  846.909144]  ? pmd_devmap_trans_unstable+0x220/0x220
[  846.914251]  ? mark_held_locks+0x130/0x130
[  846.918492]  ? mark_held_locks+0x130/0x130
[  846.922753]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.927277]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.931810]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  846.936394]  ? kasan_check_read+0x11/0x20
[  846.940563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.946103]  __handle_mm_fault+0x3ea6/0x5be0
[  846.950526]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  846.955369]  ? finish_task_switch+0x1f4/0x910
[  846.959881]  ? finish_task_switch+0x1b4/0x910
[  846.964374]  ? __switch_to_asm+0x34/0x70
[  846.968449]  ? preempt_notifier_register+0x200/0x200
[  846.973568]  ? __switch_to_asm+0x34/0x70
[  846.977633]  ? __switch_to_asm+0x34/0x70
[  846.981709]  ? zap_class+0x640/0x640
[  846.985436]  ? zap_class+0x640/0x640
[  846.989152]  ? __x64_sys_futex+0x53e/0x6a0
[  846.993393]  ? find_held_lock+0x36/0x1c0
[  846.997475]  ? handle_mm_fault+0x42a/0xc70
[  847.001709]  ? lock_downgrade+0x900/0x900
[  847.005854]  ? check_preemption_disabled+0x48/0x280
[  847.010870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  847.015802]  ? kasan_check_read+0x11/0x20
[  847.019951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  847.025227]  ? rcu_softirq_qs+0x20/0x20
[  847.029201]  ? trace_hardirqs_off_caller+0x310/0x310
[  847.034319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  847.039855]  ? check_preemption_disabled+0x48/0x280
[  847.044907]  handle_mm_fault+0x54f/0xc70
[  847.048974]  ? __handle_mm_fault+0x5be0/0x5be0
[  847.053557]  ? find_vma+0x34/0x190
[  847.057103]  __do_page_fault+0x5e8/0xe60
[  847.061188]  ? trace_hardirqs_off+0xb8/0x310
[  847.065630]  do_page_fault+0xf2/0x7e0
[  847.069442]  ? vmalloc_sync_all+0x30/0x30
[  847.073592]  ? error_entry+0x70/0xd0
[  847.077328]  ? trace_hardirqs_off_caller+0xbb/0x310
[  847.082344]  ? trace_hardirqs_on_caller+0xc0/0x310
[  847.087271]  ? syscall_return_slowpath+0x5e0/0x5e0
[  847.092195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  847.097037]  ? trace_hardirqs_on_caller+0x310/0x310
[  847.102065]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  847.107521]  ? prepare_exit_to_usermode+0x291/0x3b0
[  847.112561]  ? page_fault+0x8/0x30
[  847.116099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  847.120947]  ? page_fault+0x8/0x30
[  847.124507]  page_fault+0x1e/0x30
[  847.127984] RIP: 0033:0x45ddf3
[  847.131189] Code: Bad RIP value.
[  847.134561] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  847.139940] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  847.147219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  847.154484] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  847.161760] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  847.169027] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  847.176311] warn_alloc_show_mem: 1 callbacks suppressed
[  847.176323] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  847.176325] Mem-Info:
[  847.176355] active_anon:53034 inactive_anon:131 isolated_anon:0
[  847.176355]  active_file:14 inactive_file:14 isolated_file:0
[  847.176355]  unevictable:0 dirty:0 writeback:0 unstable:0
[  847.176355]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  847.176355]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  847.176355]  free:13749 free_pcp:564 free_cma:0
[  847.181703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  847.181725] Call Trace:
[  847.188744] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  847.191144]  <IRQ>
[  847.224107] 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
[  847.233463]  dump_stack+0x244/0x39d
[  847.236037] lowmem_reserve[]: 0 2818 6321 6321
[  847.263448]  ? dump_stack_print_info.cold.1+0x20/0x20
[  847.265576] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  847.291717]  warn_alloc.cold.116+0xb7/0x1bd
[  847.295304] lowmem_reserve[]: 0 0 3503 3503
[  847.299924]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  847.305085] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  847.332580]  ? lock_downgrade+0x900/0x900
[  847.336898] lowmem_reserve[]: 0 0 0 0
[  847.341256]  ? trace_hardirqs_off+0xb8/0x310
[  847.346072] 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
[  847.375158]  ? trace_hardirqs_off+0xb8/0x310
[  847.379285] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  847.383102]  __alloc_pages_slowpath+0x26e8/0x2e10
[  847.387500] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  847.401057]  ? warn_alloc+0x120/0x120
[  847.405434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  847.420598]  ? print_usage_bug+0xc0/0xc0
[  847.425457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  847.440879]  ? warn_alloc+0x120/0x120
[  847.444665] 166 total pagecache pages
[  847.453494]  ? warn_alloc+0x120/0x120
[  847.457539] 0 pages in swap cache
[  847.466111]  ? print_usage_bug+0xc0/0xc0
[  847.469897] Swap cache stats: add 0, delete 0, find 0/0
[  847.473693]  ? kvm_clock_read+0x18/0x30
[  847.477470] Free swap  = 0kB
[  847.480925]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  847.484968] Total swap = 0kB
[  847.490326]  ? print_usage_bug+0xc0/0xc0
[  847.494276] 1965979 pages RAM
[  847.497292]  ? __lock_acquire+0x62f/0x4c20
[  847.502282] 0 pages HighMem/MovableOnly
[  847.505296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  847.509336] 342858 pages reserved
[  847.512439]  ? should_fail+0x22d/0xd01
[  847.516659] 0 pages cma reserved
[  847.520641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  847.526211] aoe: skb alloc failure
[  847.529606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  847.529621]  ? __lock_acquire+0x62f/0x4c20
[  847.529640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  847.533538] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  847.536873]  ? __lock_acquire+0x62f/0x4c20
[  847.542129] syz-fuzzer cpuset=/ mems_allowed=0
[  847.545658]  ? should_fail+0x22d/0xd01
[  847.545673]  ? rcu_irq_exit+0x1a2/0x390
[  847.586930]  ? mark_held_locks+0x130/0x130
[  847.591168]  ? mark_held_locks+0x130/0x130
[  847.595413]  ? try_to_wake_up+0x11c/0x1490
[  847.599653]  ? lock_downgrade+0x900/0x900
[  847.603810]  ? zap_class+0x640/0x640
[  847.607529]  ? print_usage_bug+0xc0/0xc0
[  847.611590]  ? trace_hardirqs_off+0xb8/0x310
[  847.615997]  ? kasan_check_read+0x11/0x20
[  847.620146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.625684]  ? check_preemption_disabled+0x48/0x280
[  847.630722]  ? __lock_is_held+0xb5/0x140
[  847.634798]  __alloc_pages_nodemask+0xa80/0xde0
[  847.639467]  ? zap_class+0x640/0x640
[  847.643187]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  847.648225]  ? find_held_lock+0x36/0x1c0
[  847.652299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  847.656969]  ? lock_downgrade+0x900/0x900
[  847.661122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.666693]  cache_grow_begin+0xa5/0x8c0
[  847.670789]  ? do_raw_spin_unlock+0xa7/0x330
[  847.675217]  fallback_alloc+0x204/0x2e0
[  847.679200]  ____cache_alloc_node+0x1c7/0x1e0
[  847.683708]  kmem_cache_alloc_node+0xe3/0x730
[  847.688204]  ? ipv6_get_ifaddr+0x42e/0x620
[  847.692452]  __alloc_skb+0x119/0x770
[  847.696164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  847.701453]  ? netdev_alloc_frag+0x1f0/0x1f0
[  847.705877]  ? lock_downgrade+0x900/0x900
[  847.710039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.715575]  ? refcount_sub_and_test_checked+0x203/0x310
[  847.721029]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  847.726489]  ? addrconf_rs_timer+0x690/0x690
[  847.730937]  ndisc_alloc_skb+0x144/0x340
[  847.735000]  ndisc_send_rs+0x331/0x6e0
[  847.738900]  addrconf_rs_timer+0x314/0x690
[  847.743169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.747418]  call_timer_fn+0x272/0x920
[  847.751306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.755533]  ? process_timeout+0x40/0x40
[  847.759602]  ? __run_timers+0x7da/0xc70
[  847.763599]  ? _raw_spin_unlock_irq+0x27/0x80
[  847.768097]  ? _raw_spin_unlock_irq+0x27/0x80
[  847.772590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.776832]  ? lockdep_hardirqs_on+0x296/0x5b0
[  847.781432]  ? trace_hardirqs_on+0xbd/0x310
[  847.785777]  ? kasan_check_read+0x11/0x20
[  847.789923]  ? __run_timers+0x7da/0xc70
[  847.793915]  ? trace_hardirqs_off_caller+0x310/0x310
[  847.799032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.803265]  __run_timers+0x7e5/0xc70
[  847.807074]  ? timer_fixup_init+0x70/0x70
[  847.811225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  847.816249]  ? zap_class+0x640/0x640
[  847.819966]  ? enqueue_hrtimer+0x1a5/0x560
[  847.824226]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  847.829443]  ? find_held_lock+0x36/0x1c0
[  847.833512]  ? zap_class+0x640/0x640
[  847.837231]  ? pvclock_read_flags+0x160/0x160
[  847.841724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.847262]  ? check_preemption_disabled+0x48/0x280
[  847.852293]  ? __lock_is_held+0xb5/0x140
[  847.856353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.861892]  ? check_preemption_disabled+0x48/0x280
[  847.866919]  run_timer_softirq+0x52/0xb0
[  847.870978]  ? rcu_read_lock_sched_held+0x14f/0x180
[  847.875990]  __do_softirq+0x308/0xb7e
[  847.879796]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  847.884301]  ? lock_downgrade+0x900/0x900
[  847.888455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  847.893581]  ? pvclock_read_flags+0x160/0x160
[  847.898081]  ? lapic_next_event+0x5a/0x90
[  847.902245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.907786]  ? kvm_clock_read+0x18/0x30
[  847.911757]  ? kvm_sched_clock_read+0x9/0x20
[  847.916163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.921700]  ? check_preemption_disabled+0x48/0x280
[  847.926727]  irq_exit+0x17f/0x1c0
[  847.930181]  smp_apic_timer_interrupt+0x1cb/0x760
[  847.935022]  ? smp_reschedule_interrupt+0x109/0x650
[  847.940044]  ? smp_call_function_single_interrupt+0x650/0x650
[  847.945971]  ? interrupt_entry+0xb5/0xc0
[  847.950035]  ? trace_hardirqs_off_caller+0xbb/0x310
[  847.955067]  ? trace_hardirqs_off_caller+0xbb/0x310
[  847.960087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  847.964945]  ? trace_hardirqs_on_caller+0x310/0x310
[  847.969963]  ? trace_hardirqs_on_caller+0x310/0x310
[  847.974976]  ? task_prio+0x50/0x50
[  847.978513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.984046]  ? check_preemption_disabled+0x48/0x280
[  847.989110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  847.993977]  apic_timer_interrupt+0xf/0x20
[  847.998219]  </IRQ>
[  848.000461] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  848.006346] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  848.025244] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  848.032946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  848.040211] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  848.047491] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  848.054761] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  848.062028] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  848.069322]  ? save_stack+0xa9/0xd0
[  848.072960]  __kmalloc_node_track_caller+0x3c/0x70
[  848.077893]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  848.082656]  pskb_expand_head+0x230/0x10f0
[  848.086890]  ? check_preemption_disabled+0x48/0x280
[  848.091933]  ? memcpy+0x45/0x50
[  848.095230]  ? __copy_skb_header+0x350/0x6b0
[  848.099638]  ? skb_release_data+0x880/0x880
[  848.103961]  ? __alloc_skb+0x770/0x770
[  848.107852]  ? __lock_is_held+0xb5/0x140
[  848.111956]  ? kasan_check_write+0x14/0x20
[  848.116188]  ? __skb_clone+0x6c7/0xa00
[  848.120079]  ? __copy_skb_header+0x6b0/0x6b0
[  848.124485]  ? kmem_cache_alloc+0x33a/0x730
[  848.128807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.134345]  skb_ensure_writable+0x3dd/0x640
[  848.138758]  ? skb_checksum_setup+0xaa0/0xaa0
[  848.143267]  ? preempt_notifier_register+0x200/0x200
[  848.148370]  ? __switch_to_asm+0x34/0x70
[  848.152435]  ? __switch_to_asm+0x34/0x70
[  848.156520]  ? __switch_to_asm+0x40/0x70
[  848.160578]  ? __switch_to_asm+0x34/0x70
[  848.164658]  ? __switch_to_asm+0x40/0x70
[  848.168715]  ? __switch_to_asm+0x40/0x70
[  848.172777]  ? __switch_to_asm+0x34/0x70
[  848.176831]  ? __switch_to_asm+0x34/0x70
[  848.180887]  ? __switch_to_asm+0x40/0x70
[  848.184943]  ? __switch_to_asm+0x34/0x70
[  848.189007]  bpf_clone_redirect+0x14a/0x490
[  848.193333]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  848.198346]  ? __sched_text_start+0x8/0x8
[  848.202496]  ? retint_kernel+0x2d/0x2d
[  848.206391]  ? find_held_lock+0x36/0x1c0
[  848.210476]  ? lock_acquire+0x1ed/0x520
[  848.214448]  ? bpf_test_run+0x3cb/0x780
[  848.218440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.223975]  ? check_preemption_disabled+0x48/0x280
[  848.228994]  ? kasan_check_read+0x11/0x20
[  848.233144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  848.238425]  ? rcu_softirq_qs+0x20/0x20
[  848.242428]  ? preempt_schedule+0x4d/0x60
[  848.246574]  ? ___preempt_schedule+0x16/0x18
[  848.251015]  ? bpf_test_run+0x25d/0x780
[  848.254999]  ? netlink_diag_dump+0x2a0/0x2a0
[  848.259429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.264964]  ? bpf_test_init.isra.10+0x70/0x100
[  848.269639]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  848.274453]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  848.279307]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  848.284842]  ? fput+0x130/0x1a0
[  848.288132]  ? __bpf_prog_get+0x9b/0x290
[  848.292195]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  848.297030]  ? bpf_prog_test_run+0x130/0x1a0
[  848.301443]  ? __x64_sys_bpf+0x3d8/0x520
[  848.305508]  ? bpf_prog_get+0x20/0x20
[  848.309332]  ? do_syscall_64+0x1b9/0x820
[  848.313391]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  848.318778]  ? syscall_return_slowpath+0x5e0/0x5e0
[  848.323713]  ? trace_hardirqs_on_caller+0x310/0x310
[  848.328727]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  848.333742]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  848.340409]  ? __switch_to_asm+0x40/0x70
[  848.344467]  ? __switch_to_asm+0x34/0x70
[  848.348533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  848.353389]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  848.358773] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  848.358872] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  848.365453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  848.365461] Call Trace:
[  848.372023] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  848.381278]  <IRQ>
[  848.383868] syz-executor0 cpuset=syz0 mems_allowed=0
[  848.394357]  dump_stack+0x244/0x39d
[  848.405233]  ? dump_stack_print_info.cold.1+0x20/0x20
[  848.410447]  warn_alloc.cold.116+0xb7/0x1bd
[  848.414774]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  848.419619]  ? lock_downgrade+0x900/0x900
[  848.423779]  ? trace_hardirqs_off+0xb8/0x310
[  848.428210]  ? trace_hardirqs_off+0xb8/0x310
[  848.432626]  __alloc_pages_slowpath+0x26e8/0x2e10
[  848.437502]  ? warn_alloc+0x120/0x120
[  848.441335]  ? warn_alloc+0x120/0x120
[  848.445146]  ? __lock_acquire+0x62f/0x4c20
[  848.449417]  ? warn_alloc+0x120/0x120
[  848.453222]  ? print_usage_bug+0xc0/0xc0
[  848.457284]  ? print_usage_bug+0xc0/0xc0
[  848.461342]  ? mark_held_locks+0x130/0x130
[  848.465583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.471133]  ? should_fail+0x22d/0xd01
[  848.475034]  ? zap_class+0x640/0x640
[  848.478767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  848.483887]  ? __lock_acquire+0x62f/0x4c20
[  848.488137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  848.493252]  ? should_fail+0x22d/0xd01
[  848.497152]  ? mark_held_locks+0x130/0x130
[  848.501423]  ? mark_held_locks+0x130/0x130
[  848.505659]  ? lock_downgrade+0x900/0x900
[  848.509821]  ? zap_class+0x640/0x640
[  848.513538]  ? zap_class+0x640/0x640
[  848.517252]  ? zap_class+0x640/0x640
[  848.520966]  ? do_raw_spin_unlock+0xa7/0x330
[  848.525371]  ? trace_hardirqs_on+0x310/0x310
[  848.529791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.535327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.540863]  ? check_preemption_disabled+0x48/0x280
[  848.545886]  ? __lock_is_held+0xb5/0x140
[  848.549953]  __alloc_pages_nodemask+0xa80/0xde0
[  848.554622]  ? zap_class+0x640/0x640
[  848.558347]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  848.563385]  ? find_held_lock+0x36/0x1c0
[  848.567469]  ? ____cache_alloc_node+0x1c7/0x1e0
[  848.572140]  ? lock_downgrade+0x900/0x900
[  848.576292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.581835]  cache_grow_begin+0xa5/0x8c0
[  848.585896]  ? do_raw_spin_unlock+0xa7/0x330
[  848.590320]  fallback_alloc+0x204/0x2e0
[  848.594297]  ____cache_alloc_node+0x1c7/0x1e0
[  848.598791]  kmem_cache_alloc_node+0xe3/0x730
[  848.603293]  ? lockdep_hardirqs_on+0x296/0x5b0
[  848.607889]  __alloc_skb+0x119/0x770
[  848.611597]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  848.616967]  ? netdev_alloc_frag+0x1f0/0x1f0
[  848.621377]  ? vprintk_default+0x28/0x30
[  848.625449]  ? vprintk_func+0x85/0x181
[  848.629333]  ? printk+0xa7/0xcf
[  848.632610]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  848.637375]  new_skb+0x26/0x1c0
[  848.640669]  aoecmd_cfg+0x279/0x7f0
[  848.644293]  ? find_held_lock+0x36/0x1c0
[  848.648368]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  848.652724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.658272]  ? __lock_is_held+0xb5/0x140
[  848.662347]  discover_timer+0x50/0x60
[  848.666148]  call_timer_fn+0x272/0x920
[  848.670034]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  848.674907]  ? process_timeout+0x40/0x40
[  848.678979]  ? mark_held_locks+0xc7/0x130
[  848.683128]  ? _raw_spin_unlock_irq+0x27/0x80
[  848.687632]  ? _raw_spin_unlock_irq+0x27/0x80
[  848.692125]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  848.696968]  ? lockdep_hardirqs_on+0x296/0x5b0
[  848.701551]  ? trace_hardirqs_on+0xbd/0x310
[  848.705875]  ? kasan_check_read+0x11/0x20
[  848.710020]  ? __run_timers+0x7da/0xc70
[  848.714000]  ? trace_hardirqs_off_caller+0x310/0x310
[  848.719117]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  848.724470]  __run_timers+0x7e5/0xc70
[  848.728299]  ? timer_fixup_init+0x70/0x70
[  848.732450]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  848.737479]  ? zap_class+0x640/0x640
[  848.741212]  ? print_usage_bug+0xc0/0xc0
[  848.745290]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  848.750489]  ? find_held_lock+0x36/0x1c0
[  848.754558]  ? zap_class+0x640/0x640
[  848.758281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.763821]  ? check_preemption_disabled+0x48/0x280
[  848.768851]  ? __lock_is_held+0xb5/0x140
[  848.772915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.778460]  ? check_preemption_disabled+0x48/0x280
[  848.783482]  run_timer_softirq+0x52/0xb0
[  848.787552]  ? rcu_read_lock_sched_held+0x14f/0x180
[  848.792584]  __do_softirq+0x308/0xb7e
[  848.796390]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  848.800899]  ? lock_downgrade+0x900/0x900
[  848.805049]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  848.810160]  ? pvclock_read_flags+0x160/0x160
[  848.814662]  ? lapic_next_event+0x5a/0x90
[  848.818816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.824362]  ? kvm_clock_read+0x18/0x30
[  848.828333]  ? kvm_sched_clock_read+0x9/0x20
[  848.832943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.838485]  ? check_preemption_disabled+0x48/0x280
[  848.843507]  irq_exit+0x17f/0x1c0
[  848.846962]  smp_apic_timer_interrupt+0x1cb/0x760
[  848.851822]  ? smp_reschedule_interrupt+0x109/0x650
[  848.856848]  ? smp_call_function_single_interrupt+0x650/0x650
[  848.862735]  ? interrupt_entry+0xb5/0xc0
[  848.866800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  848.871832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  848.876868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  848.881712]  ? trace_hardirqs_on_caller+0x310/0x310
[  848.886749]  ? trace_hardirqs_on_caller+0x310/0x310
[  848.891764]  ? task_prio+0x50/0x50
[  848.895314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.900851]  ? check_preemption_disabled+0x48/0x280
[  848.905876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  848.910730]  apic_timer_interrupt+0xf/0x20
[  848.914959]  </IRQ>
[  848.917210] RIP: 0010:dump_stack+0x358/0x39d
[  848.921621] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  848.940533] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  848.948238] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  848.955502] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  848.962769] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  848.970035] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  848.977303] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  848.984602]  ? dump_stack+0x34f/0x39d
[  848.988430]  ? dump_stack_print_info.cold.1+0x20/0x20
[  848.993626]  ? mark_held_locks+0x130/0x130
[  848.997882]  ? mark_held_locks+0x130/0x130
[  849.002127]  dump_header+0x27b/0xf72
[  849.005855]  ? pagefault_out_of_memory+0x197/0x197
[  849.010795]  ? __lock_acquire+0x62f/0x4c20
[  849.015033]  ? percpu_ref_get_many+0x240/0x240
[  849.019630]  ? print_usage_bug+0xc0/0xc0
[  849.023697]  ? zap_class+0x640/0x640
[  849.027453]  ? print_usage_bug+0xc0/0xc0
[  849.031519]  ? print_usage_bug+0xc0/0xc0
[  849.035595]  ? zap_class+0x640/0x640
[  849.039311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.044856]  ? find_held_lock+0x36/0x1c0
[  849.048927]  ? mark_held_locks+0xc7/0x130
[  849.053079]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  849.058181]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  849.063307]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  849.067900]  ? trace_hardirqs_on+0xbd/0x310
[  849.072219]  ? kasan_check_read+0x11/0x20
[  849.076366]  ? ___ratelimit+0x3b4/0x672
[  849.080349]  ? trace_hardirqs_off_caller+0x310/0x310
[  849.085451]  ? trace_hardirqs_on+0x310/0x310
[  849.089861]  ? lock_downgrade+0x900/0x900
[  849.094016]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  849.099122]  ? ___ratelimit+0x3b9/0x672
[  849.103097]  ? idr_get_free+0xf80/0xf80
[  849.107085]  ? find_held_lock+0x36/0x1c0
[  849.111157]  oom_kill_process.cold.27+0x10/0x903
[  849.115911]  ? zap_class+0x640/0x640
[  849.119638]  ? check_preemption_disabled+0x48/0x280
[  849.124655]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  849.129587]  ? kasan_check_read+0x11/0x20
[  849.133751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.139032]  ? oom_evaluate_task+0x540/0x540
[  849.143446]  ? find_held_lock+0x36/0x1c0
[  849.147529]  ? out_of_memory+0x974/0x1430
[  849.151691]  ? lock_downgrade+0x900/0x900
[  849.155838]  ? check_preemption_disabled+0x48/0x280
[  849.160861]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  849.165789]  ? kasan_check_read+0x11/0x20
[  849.169936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.175226]  ? rcu_softirq_qs+0x20/0x20
[  849.179205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.184740]  ? oom_evaluate_task+0x302/0x540
[  849.189157]  out_of_memory+0xa84/0x1430
[  849.193144]  ? oom_killer_disable+0x3a0/0x3a0
[  849.197641]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  849.202570]  ? __ww_mutex_check_waiters+0x160/0x160
[  849.207612]  __alloc_pages_slowpath+0x2354/0x2e10
[  849.212484]  ? warn_alloc+0x120/0x120
[  849.216289]  ? mark_held_locks+0x130/0x130
[  849.220531]  ? find_get_entry+0xaae/0x1120
[  849.224777]  ? filemap_map_pages+0x1a20/0x1a20
[  849.229367]  ? zap_class+0x640/0x640
[  849.233115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.238652]  ? check_preemption_disabled+0x48/0x280
[  849.243668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.249206]  ? should_fail+0x22d/0xd01
[  849.253097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  849.258223]  ? zap_class+0x640/0x640
[  849.261961]  ? __lock_is_held+0xb5/0x140
[  849.266032]  ? mark_held_locks+0x130/0x130
[  849.270272]  ? lock_release+0xa00/0xa00
[  849.274263]  ? perf_trace_sched_process_exec+0x860/0x860
[  849.279713]  ? xa_load+0x2ba/0x460
[  849.283253]  ? lock_downgrade+0x900/0x900
[  849.287420]  ? __might_sleep+0x95/0x190
[  849.291420]  __alloc_pages_nodemask+0xa80/0xde0
[  849.296104]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  849.301124]  ? __page_cache_alloc+0x191/0x5c0
[  849.305634]  ? xa_load+0x2e1/0x460
[  849.309176]  ? xa_clear_mark+0x40/0x40
[  849.313070]  ? zap_class+0x640/0x640
[  849.316790]  ? zap_class+0x640/0x640
[  849.320507]  ? zap_class+0x640/0x640
[  849.324227]  ? __do_page_cache_readahead+0x663/0x810
[  849.329347]  ? find_held_lock+0x36/0x1c0
[  849.333428]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  849.338974]  alloc_pages_current+0x173/0x350
[  849.343408]  __page_cache_alloc+0x38c/0x5c0
[  849.347741]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  849.352717]  ? kasan_check_read+0x11/0x20
[  849.356869]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.362153]  ? generic_perform_write+0x6a0/0x6a0
[  849.366911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.372454]  ? check_preemption_disabled+0x48/0x280
[  849.377480]  filemap_fault+0x1595/0x25f0
[  849.381557]  ? __lock_page_or_retry+0xa00/0xa00
[  849.386229]  ? mark_held_locks+0x130/0x130
[  849.390486]  ? filemap_map_pages+0xd6b/0x1a20
[  849.395003]  ? lock_downgrade+0x900/0x900
[  849.399149]  ? check_preemption_disabled+0x48/0x280
[  849.404170]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  849.409099]  ? kasan_check_read+0x11/0x20
[  849.413246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.418526]  ? rcu_softirq_qs+0x20/0x20
[  849.422519]  ? filemap_map_pages+0xd92/0x1a20
[  849.427033]  ? find_get_entries_tag+0x1400/0x1400
[  849.431893]  ? debug_object_destroy+0x2b0/0x2b0
[  849.436577]  ? lock_pi_update_atomic+0x150/0x150
[  849.441332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.446882]  ? lock_acquire+0x1ed/0x520
[  849.450895]  ? ext4_filemap_fault+0x7a/0xad
[  849.455240]  ? lock_release+0xa00/0xa00
[  849.459212]  ? perf_trace_sched_process_exec+0x860/0x860
[  849.464671]  ? print_usage_bug+0xc0/0xc0
[  849.468737]  ? print_usage_bug+0xc0/0xc0
[  849.472809]  ? down_read+0x8d/0x120
[  849.476438]  ? ext4_filemap_fault+0x7a/0xad
[  849.480773]  ? __down_interruptible+0x700/0x700
[  849.485457]  ext4_filemap_fault+0x82/0xad
[  849.489605]  __do_fault+0x100/0x6b0
[  849.493243]  ? find_held_lock+0x36/0x1c0
[  849.497307]  ? pmd_devmap_trans_unstable+0x220/0x220
[  849.502438]  ? mark_held_locks+0x130/0x130
[  849.506679]  ? mark_held_locks+0x130/0x130
[  849.510914]  ? _raw_spin_unlock_irq+0x27/0x80
[  849.515428]  ? _raw_spin_unlock_irq+0x27/0x80
[  849.519929]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  849.524537]  ? kasan_check_read+0x11/0x20
[  849.528696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.534240]  __handle_mm_fault+0x3ea6/0x5be0
[  849.538660]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  849.543516]  ? finish_task_switch+0x1f4/0x910
[  849.548010]  ? finish_task_switch+0x1b4/0x910
[  849.552506]  ? __switch_to_asm+0x34/0x70
[  849.556597]  ? preempt_notifier_register+0x200/0x200
[  849.561700]  ? __switch_to_asm+0x34/0x70
[  849.565771]  ? __switch_to_asm+0x34/0x70
[  849.569847]  ? zap_class+0x640/0x640
[  849.573576]  ? zap_class+0x640/0x640
[  849.577292]  ? __x64_sys_futex+0x53e/0x6a0
[  849.581536]  ? find_held_lock+0x36/0x1c0
[  849.585610]  ? handle_mm_fault+0x42a/0xc70
[  849.589880]  ? lock_downgrade+0x900/0x900
[  849.594043]  ? check_preemption_disabled+0x48/0x280
[  849.599090]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  849.604029]  ? kasan_check_read+0x11/0x20
[  849.608191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.613466]  ? rcu_softirq_qs+0x20/0x20
[  849.617443]  ? trace_hardirqs_off_caller+0x310/0x310
[  849.622584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.628150]  ? check_preemption_disabled+0x48/0x280
[  849.633186]  handle_mm_fault+0x54f/0xc70
[  849.637262]  ? __handle_mm_fault+0x5be0/0x5be0
[  849.641848]  ? find_vma+0x34/0x190
[  849.645419]  __do_page_fault+0x5e8/0xe60
[  849.649486]  ? trace_hardirqs_off+0xb8/0x310
[  849.653920]  do_page_fault+0xf2/0x7e0
[  849.657724]  ? vmalloc_sync_all+0x30/0x30
[  849.661877]  ? error_entry+0x70/0xd0
[  849.665594]  ? trace_hardirqs_off_caller+0xbb/0x310
[  849.670611]  ? trace_hardirqs_on_caller+0xc0/0x310
[  849.675541]  ? syscall_return_slowpath+0x5e0/0x5e0
[  849.680475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  849.685321]  ? trace_hardirqs_on_caller+0x310/0x310
[  849.690336]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  849.695833]  ? prepare_exit_to_usermode+0x291/0x3b0
[  849.700850]  ? page_fault+0x8/0x30
[  849.704422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  849.709275]  ? page_fault+0x8/0x30
[  849.712826]  page_fault+0x1e/0x30
[  849.716277] RIP: 0033:0x45ddf3
[  849.719481] Code: Bad RIP value.
[  849.722842] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  849.728202] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  849.735475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  849.742753] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  849.750017] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  849.757285] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  849.764590] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  849.764611] warn_alloc_show_mem: 1 callbacks suppressed
[  849.764618] Mem-Info:
[  849.771636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  849.777003] active_anon:53034 inactive_anon:131 isolated_anon:0
[  849.777003]  active_file:14 inactive_file:14 isolated_file:0
[  849.777003]  unevictable:0 dirty:0 writeback:0 unstable:0
[  849.777003]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  849.777003]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  849.777003]  free:13749 free_pcp:564 free_cma:0
[  849.779375] Call Trace:
[  849.788765] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  849.821786]  <IRQ>
[  849.824361] 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
[  849.851766]  dump_stack+0x244/0x39d
[  849.853894] lowmem_reserve[]: 0 2818 6321 6321
[  849.880005]  ? dump_stack_print_info.cold.1+0x20/0x20
[  849.883609] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  849.888196]  warn_alloc.cold.116+0xb7/0x1bd
[  849.893351] lowmem_reserve[]: 0 0 3503 3503
[  849.920844]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  849.925140] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  849.929479]  ? lock_downgrade+0x900/0x900
[  849.934312] lowmem_reserve[]: 0 0 0 0
[  849.963372]  ? trace_hardirqs_off+0xb8/0x310
[  849.967494] 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
[  849.971295]  ? trace_hardirqs_off+0xb8/0x310
[  849.975680] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  849.989220]  __alloc_pages_slowpath+0x26e8/0x2e10
[  849.993604] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  850.008798]  ? warn_alloc+0x120/0x120
[  850.013605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  850.029030]  ? print_usage_bug+0xc0/0xc0
[  850.032816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  850.041641]  ? warn_alloc+0x120/0x120
[  850.045681] 166 total pagecache pages
[  850.054251]  ? warn_alloc+0x120/0x120
[  850.058038] 0 pages in swap cache
[  850.061832]  ? print_usage_bug+0xc0/0xc0
[  850.065630] Swap cache stats: add 0, delete 0, find 0/0
[  850.069078]  ? kvm_clock_read+0x18/0x30
[  850.073117] Free swap  = 0kB
[  850.078479]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  850.082435] Total swap = 0kB
[  850.085453]  ? print_usage_bug+0xc0/0xc0
[  850.090450] 1965979 pages RAM
[  850.093464]  ? __lock_acquire+0x62f/0x4c20
[  850.097499] 0 pages HighMem/MovableOnly
[  850.097508] 342858 pages reserved
[  850.100616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.104825] 0 pages cma reserved
[  850.108795]  ? should_fail+0x22d/0xd01
[  850.112286] aoe: skb alloc failure
[  850.117755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  850.117787]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  850.117804]  ? __lock_acquire+0x62f/0x4c20
[  850.121180] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  850.125037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  850.128558] syz-fuzzer cpuset=/ mems_allowed=0
[  850.133832]  ? __lock_acquire+0x62f/0x4c20
[  850.167225]  ? should_fail+0x22d/0xd01
[  850.171110]  ? rcu_irq_exit+0x1a2/0x390
[  850.175099]  ? mark_held_locks+0x130/0x130
[  850.179344]  ? mark_held_locks+0x130/0x130
[  850.183600]  ? mark_held_locks+0xc7/0x130
[  850.187747]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  850.192766]  ? zap_class+0x640/0x640
[  850.196484]  ? print_usage_bug+0xc0/0xc0
[  850.200553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.206107]  ? check_preemption_disabled+0x48/0x280
[  850.211143]  ? __lock_is_held+0xb5/0x140
[  850.215205]  __alloc_pages_nodemask+0xa80/0xde0
[  850.219881]  ? zap_class+0x640/0x640
[  850.223625]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  850.228665]  ? find_held_lock+0x36/0x1c0
[  850.232734]  ? ____cache_alloc_node+0x1c7/0x1e0
[  850.237414]  ? lock_downgrade+0x900/0x900
[  850.241581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.247118]  cache_grow_begin+0xa5/0x8c0
[  850.251180]  ? do_raw_spin_unlock+0xa7/0x330
[  850.255597]  fallback_alloc+0x204/0x2e0
[  850.259577]  ____cache_alloc_node+0x1c7/0x1e0
[  850.264090]  kmem_cache_alloc_node+0xe3/0x730
[  850.268589]  ? ipv6_get_ifaddr+0x42e/0x620
[  850.272840]  __alloc_skb+0x119/0x770
[  850.276553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  850.281836]  ? netdev_alloc_frag+0x1f0/0x1f0
[  850.286245]  ? lock_downgrade+0x900/0x900
[  850.290408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.295949]  ? refcount_sub_and_test_checked+0x203/0x310
[  850.301413]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  850.306867]  ? addrconf_rs_timer+0x690/0x690
[  850.311318]  ndisc_alloc_skb+0x144/0x340
[  850.315405]  ndisc_send_rs+0x331/0x6e0
[  850.319299]  addrconf_rs_timer+0x314/0x690
[  850.323538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  850.327784]  call_timer_fn+0x272/0x920
[  850.331673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  850.335907]  ? process_timeout+0x40/0x40
[  850.339996]  ? __run_timers+0x7da/0xc70
[  850.343980]  ? _raw_spin_unlock_irq+0x27/0x80
[  850.348476]  ? _raw_spin_unlock_irq+0x27/0x80
[  850.352966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  850.357196]  ? lockdep_hardirqs_on+0x296/0x5b0
[  850.361781]  ? trace_hardirqs_on+0xbd/0x310
[  850.366102]  ? kasan_check_read+0x11/0x20
[  850.370244]  ? __run_timers+0x7da/0xc70
[  850.374219]  ? trace_hardirqs_off_caller+0x310/0x310
[  850.379343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  850.383582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  850.387816]  __run_timers+0x7e5/0xc70
[  850.391622]  ? timer_fixup_init+0x70/0x70
[  850.395770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  850.400782]  ? zap_class+0x640/0x640
[  850.404501]  ? enqueue_hrtimer+0x1a5/0x560
[  850.408735]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  850.413935]  ? find_held_lock+0x36/0x1c0
[  850.418003]  ? zap_class+0x640/0x640
[  850.421725]  ? pvclock_read_flags+0x160/0x160
[  850.426220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.431754]  ? check_preemption_disabled+0x48/0x280
[  850.436781]  ? __lock_is_held+0xb5/0x140
[  850.440842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.446391]  ? check_preemption_disabled+0x48/0x280
[  850.451426]  run_timer_softirq+0x52/0xb0
[  850.455487]  ? rcu_read_lock_sched_held+0x14f/0x180
[  850.460500]  __do_softirq+0x308/0xb7e
[  850.464331]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  850.468852]  ? lock_downgrade+0x900/0x900
[  850.473006]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  850.478114]  ? pvclock_read_flags+0x160/0x160
[  850.482613]  ? lapic_next_event+0x5a/0x90
[  850.486764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.492307]  ? kvm_clock_read+0x18/0x30
[  850.496296]  ? kvm_sched_clock_read+0x9/0x20
[  850.500737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.506285]  ? check_preemption_disabled+0x48/0x280
[  850.511307]  irq_exit+0x17f/0x1c0
[  850.514762]  smp_apic_timer_interrupt+0x1cb/0x760
[  850.519618]  ? smp_reschedule_interrupt+0x109/0x650
[  850.524633]  ? smp_call_function_single_interrupt+0x650/0x650
[  850.530513]  ? interrupt_entry+0xb5/0xc0
[  850.534576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  850.539592]  ? trace_hardirqs_off_caller+0xbb/0x310
[  850.544604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  850.549446]  ? trace_hardirqs_on_caller+0x310/0x310
[  850.554461]  ? trace_hardirqs_on_caller+0x310/0x310
[  850.559498]  ? task_prio+0x50/0x50
[  850.563038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.568578]  ? check_preemption_disabled+0x48/0x280
[  850.573598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  850.578458]  apic_timer_interrupt+0xf/0x20
[  850.582687]  </IRQ>
[  850.584931] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  850.590820] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  850.609714] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  850.617430] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  850.624702] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  850.631964] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  850.639231] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  850.646503] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  850.653813]  ? save_stack+0xa9/0xd0
[  850.657450]  __kmalloc_node_track_caller+0x3c/0x70
[  850.662405]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  850.667170]  pskb_expand_head+0x230/0x10f0
[  850.671415]  ? check_preemption_disabled+0x48/0x280
[  850.676445]  ? memcpy+0x45/0x50
[  850.679746]  ? __copy_skb_header+0x350/0x6b0
[  850.684185]  ? skb_release_data+0x880/0x880
[  850.688517]  ? __alloc_skb+0x770/0x770
[  850.692430]  ? __lock_is_held+0xb5/0x140
[  850.696512]  ? kasan_check_write+0x14/0x20
[  850.700749]  ? __skb_clone+0x6c7/0xa00
[  850.704635]  ? __copy_skb_header+0x6b0/0x6b0
[  850.709038]  ? kmem_cache_alloc+0x33a/0x730
[  850.713365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.718921]  skb_ensure_writable+0x3dd/0x640
[  850.723545]  ? skb_checksum_setup+0xaa0/0xaa0
[  850.728043]  ? preempt_notifier_register+0x200/0x200
[  850.733142]  ? __switch_to_asm+0x34/0x70
[  850.737198]  ? __switch_to_asm+0x34/0x70
[  850.741266]  ? __switch_to_asm+0x40/0x70
[  850.745325]  ? __switch_to_asm+0x34/0x70
[  850.749385]  ? __switch_to_asm+0x40/0x70
[  850.753452]  ? __switch_to_asm+0x40/0x70
[  850.757505]  ? __switch_to_asm+0x34/0x70
[  850.761580]  ? __switch_to_asm+0x34/0x70
[  850.765650]  ? __switch_to_asm+0x40/0x70
[  850.769718]  ? __switch_to_asm+0x34/0x70
[  850.773801]  bpf_clone_redirect+0x14a/0x490
[  850.778127]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  850.783146]  ? __sched_text_start+0x8/0x8
[  850.787306]  ? retint_kernel+0x2d/0x2d
[  850.791200]  ? find_held_lock+0x36/0x1c0
[  850.795282]  ? lock_acquire+0x1ed/0x520
[  850.799253]  ? bpf_test_run+0x3cb/0x780
[  850.803229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.808766]  ? check_preemption_disabled+0x48/0x280
[  850.813788]  ? kasan_check_read+0x11/0x20
[  850.817956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  850.823246]  ? rcu_softirq_qs+0x20/0x20
[  850.827226]  ? preempt_schedule+0x4d/0x60
[  850.831892]  ? ___preempt_schedule+0x16/0x18
[  850.836312]  ? bpf_test_run+0x25d/0x780
[  850.840329]  ? netlink_diag_dump+0x2a0/0x2a0
[  850.844745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.850291]  ? bpf_test_init.isra.10+0x70/0x100
[  850.854963]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  850.859729]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  850.864570]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  850.870111]  ? fput+0x130/0x1a0
[  850.873396]  ? __bpf_prog_get+0x9b/0x290
[  850.877483]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  850.882347]  ? bpf_prog_test_run+0x130/0x1a0
[  850.886758]  ? __x64_sys_bpf+0x3d8/0x520
[  850.890820]  ? bpf_prog_get+0x20/0x20
[  850.894637]  ? do_syscall_64+0x1b9/0x820
[  850.898701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  850.904063]  ? syscall_return_slowpath+0x5e0/0x5e0
[  850.908995]  ? trace_hardirqs_on_caller+0x310/0x310
[  850.914009]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  850.919026]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  850.925698]  ? __switch_to_asm+0x40/0x70
[  850.929761]  ? __switch_to_asm+0x34/0x70
[  850.933893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  850.938778]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  850.944164] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  850.944255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  850.950838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  850.950844] Call Trace:
[  850.950850]  <IRQ>
[  850.950865]  dump_stack+0x244/0x39d
[  850.950883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  850.950911]  warn_alloc.cold.116+0xb7/0x1bd
[  850.957529] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  850.966768]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  850.969332] syz-executor0 cpuset=syz0 mems_allowed=0
[  850.971477]  ? lock_downgrade+0x900/0x900
[  851.009075]  ? trace_hardirqs_off+0xb8/0x310
[  851.013495]  ? trace_hardirqs_off+0xb8/0x310
[  851.017915]  __alloc_pages_slowpath+0x26e8/0x2e10
[  851.022792]  ? warn_alloc+0x120/0x120
[  851.026597]  ? warn_alloc+0x120/0x120
[  851.030406]  ? __lock_acquire+0x62f/0x4c20
[  851.034648]  ? warn_alloc+0x120/0x120
[  851.038450]  ? print_usage_bug+0xc0/0xc0
[  851.042530]  ? print_usage_bug+0xc0/0xc0
[  851.046592]  ? mark_held_locks+0x130/0x130
[  851.050828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.056362]  ? should_fail+0x22d/0xd01
[  851.060250]  ? zap_class+0x640/0x640
[  851.063998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  851.069101]  ? __lock_acquire+0x62f/0x4c20
[  851.073354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  851.078456]  ? should_fail+0x22d/0xd01
[  851.082357]  ? mark_held_locks+0x130/0x130
[  851.086601]  ? mark_held_locks+0x130/0x130
[  851.090839]  ? lock_downgrade+0x900/0x900
[  851.094989]  ? zap_class+0x640/0x640
[  851.098709]  ? zap_class+0x640/0x640
[  851.102437]  ? zap_class+0x640/0x640
[  851.106151]  ? do_raw_spin_unlock+0xa7/0x330
[  851.110562]  ? trace_hardirqs_on+0x310/0x310
[  851.114971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.120509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.126048]  ? check_preemption_disabled+0x48/0x280
[  851.131079]  ? __lock_is_held+0xb5/0x140
[  851.135148]  __alloc_pages_nodemask+0xa80/0xde0
[  851.139821]  ? zap_class+0x640/0x640
[  851.143544]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  851.148576]  ? find_held_lock+0x36/0x1c0
[  851.152650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  851.157320]  ? lock_downgrade+0x900/0x900
[  851.161494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.167039]  cache_grow_begin+0xa5/0x8c0
[  851.171110]  ? do_raw_spin_unlock+0xa7/0x330
[  851.175546]  fallback_alloc+0x204/0x2e0
[  851.179541]  ____cache_alloc_node+0x1c7/0x1e0
[  851.184057]  kmem_cache_alloc_node+0xe3/0x730
[  851.188576]  ? lockdep_hardirqs_on+0x296/0x5b0
[  851.193169]  __alloc_skb+0x119/0x770
[  851.196894]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  851.202268]  ? netdev_alloc_frag+0x1f0/0x1f0
[  851.206685]  ? vprintk_default+0x28/0x30
[  851.210748]  ? vprintk_func+0x85/0x181
[  851.214649]  ? printk+0xa7/0xcf
[  851.217930]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  851.222701]  new_skb+0x26/0x1c0
[  851.225995]  aoecmd_cfg+0x279/0x7f0
[  851.229625]  ? find_held_lock+0x36/0x1c0
[  851.233691]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  851.238022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.243569]  ? __lock_is_held+0xb5/0x140
[  851.247643]  discover_timer+0x50/0x60
[  851.251465]  call_timer_fn+0x272/0x920
[  851.255349]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  851.260193]  ? process_timeout+0x40/0x40
[  851.264277]  ? mark_held_locks+0xc7/0x130
[  851.268439]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.272936]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.277439]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  851.282279]  ? lockdep_hardirqs_on+0x296/0x5b0
[  851.286875]  ? trace_hardirqs_on+0xbd/0x310
[  851.291214]  ? kasan_check_read+0x11/0x20
[  851.295358]  ? __run_timers+0x7da/0xc70
[  851.299333]  ? trace_hardirqs_off_caller+0x310/0x310
[  851.304449]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  851.309292]  __run_timers+0x7e5/0xc70
[  851.313104]  ? timer_fixup_init+0x70/0x70
[  851.317280]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  851.322298]  ? zap_class+0x640/0x640
[  851.326018]  ? print_usage_bug+0xc0/0xc0
[  851.330096]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  851.335295]  ? find_held_lock+0x36/0x1c0
[  851.339366]  ? zap_class+0x640/0x640
[  851.343099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.348640]  ? check_preemption_disabled+0x48/0x280
[  851.353670]  ? __lock_is_held+0xb5/0x140
[  851.357736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.363283]  ? check_preemption_disabled+0x48/0x280
[  851.368308]  run_timer_softirq+0x52/0xb0
[  851.372373]  ? rcu_read_lock_sched_held+0x14f/0x180
[  851.377418]  __do_softirq+0x308/0xb7e
[  851.381226]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  851.385722]  ? lock_downgrade+0x900/0x900
[  851.389878]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  851.394991]  ? pvclock_read_flags+0x160/0x160
[  851.399488]  ? lapic_next_event+0x5a/0x90
[  851.403653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.409221]  ? kvm_clock_read+0x18/0x30
[  851.413192]  ? kvm_sched_clock_read+0x9/0x20
[  851.417604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.423153]  ? check_preemption_disabled+0x48/0x280
[  851.428194]  irq_exit+0x17f/0x1c0
[  851.431649]  smp_apic_timer_interrupt+0x1cb/0x760
[  851.436504]  ? smp_reschedule_interrupt+0x109/0x650
[  851.441520]  ? smp_call_function_single_interrupt+0x650/0x650
[  851.447417]  ? interrupt_entry+0xb5/0xc0
[  851.451501]  ? trace_hardirqs_off_caller+0xbb/0x310
[  851.456522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  851.461541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  851.466384]  ? trace_hardirqs_on_caller+0x310/0x310
[  851.471426]  ? trace_hardirqs_on_caller+0x310/0x310
[  851.476445]  ? task_prio+0x50/0x50
[  851.479987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.485526]  ? check_preemption_disabled+0x48/0x280
[  851.490549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  851.495409]  apic_timer_interrupt+0xf/0x20
[  851.499655]  </IRQ>
[  851.501891] RIP: 0010:dump_stack+0x358/0x39d
[  851.506300] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  851.525199] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  851.532905] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  851.540176] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  851.547442] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  851.554706] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  851.561986] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  851.569270]  ? dump_stack+0x34f/0x39d
[  851.573080]  ? dump_stack_print_info.cold.1+0x20/0x20
[  851.578282]  ? mark_held_locks+0x130/0x130
[  851.582540]  ? mark_held_locks+0x130/0x130
[  851.586777]  dump_header+0x27b/0xf72
[  851.590500]  ? pagefault_out_of_memory+0x197/0x197
[  851.595443]  ? __lock_acquire+0x62f/0x4c20
[  851.599689]  ? percpu_ref_get_many+0x240/0x240
[  851.604272]  ? print_usage_bug+0xc0/0xc0
[  851.608338]  ? zap_class+0x640/0x640
[  851.612053]  ? print_usage_bug+0xc0/0xc0
[  851.616118]  ? print_usage_bug+0xc0/0xc0
[  851.620178]  ? zap_class+0x640/0x640
[  851.623906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.629453]  ? find_held_lock+0x36/0x1c0
[  851.633527]  ? mark_held_locks+0xc7/0x130
[  851.637676]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  851.642782]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  851.647891]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  851.652484]  ? trace_hardirqs_on+0xbd/0x310
[  851.656841]  ? kasan_check_read+0x11/0x20
[  851.660990]  ? ___ratelimit+0x3b4/0x672
[  851.664965]  ? trace_hardirqs_off_caller+0x310/0x310
[  851.670075]  ? trace_hardirqs_on+0x310/0x310
[  851.674487]  ? lock_downgrade+0x900/0x900
[  851.678644]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  851.683760]  ? ___ratelimit+0x3b9/0x672
[  851.687740]  ? idr_get_free+0xf80/0xf80
[  851.691714]  ? find_held_lock+0x36/0x1c0
[  851.695785]  oom_kill_process.cold.27+0x10/0x903
[  851.700538]  ? zap_class+0x640/0x640
[  851.704251]  ? check_preemption_disabled+0x48/0x280
[  851.709271]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  851.714200]  ? kasan_check_read+0x11/0x20
[  851.718344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  851.723626]  ? oom_evaluate_task+0x540/0x540
[  851.728037]  ? find_held_lock+0x36/0x1c0
[  851.732109]  ? out_of_memory+0x974/0x1430
[  851.736268]  ? lock_downgrade+0x900/0x900
[  851.740436]  ? check_preemption_disabled+0x48/0x280
[  851.745469]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  851.750405]  ? kasan_check_read+0x11/0x20
[  851.754574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  851.759852]  ? rcu_softirq_qs+0x20/0x20
[  851.763829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.769362]  ? oom_evaluate_task+0x302/0x540
[  851.773775]  out_of_memory+0xa84/0x1430
[  851.777758]  ? oom_killer_disable+0x3a0/0x3a0
[  851.782259]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  851.787189]  ? __ww_mutex_check_waiters+0x160/0x160
[  851.792230]  __alloc_pages_slowpath+0x2354/0x2e10
[  851.797101]  ? warn_alloc+0x120/0x120
[  851.800900]  ? mark_held_locks+0x130/0x130
[  851.805146]  ? find_get_entry+0xaae/0x1120
[  851.809417]  ? filemap_map_pages+0x1a20/0x1a20
[  851.814007]  ? zap_class+0x640/0x640
[  851.817727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.823264]  ? check_preemption_disabled+0x48/0x280
[  851.828286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.833826]  ? should_fail+0x22d/0xd01
[  851.837721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  851.842829]  ? zap_class+0x640/0x640
[  851.846569]  ? __lock_is_held+0xb5/0x140
[  851.850637]  ? mark_held_locks+0x130/0x130
[  851.854888]  ? lock_release+0xa00/0xa00
[  851.858877]  ? perf_trace_sched_process_exec+0x860/0x860
[  851.864327]  ? xa_load+0x2ba/0x460
[  851.867871]  ? lock_downgrade+0x900/0x900
[  851.872029]  ? __might_sleep+0x95/0x190
[  851.876011]  __alloc_pages_nodemask+0xa80/0xde0
[  851.880688]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  851.885708]  ? __page_cache_alloc+0x191/0x5c0
[  851.890207]  ? xa_load+0x2e1/0x460
[  851.893761]  ? xa_clear_mark+0x40/0x40
[  851.897656]  ? zap_class+0x640/0x640
[  851.901379]  ? zap_class+0x640/0x640
[  851.905104]  ? zap_class+0x640/0x640
[  851.908819]  ? __do_page_cache_readahead+0x663/0x810
[  851.913929]  ? find_held_lock+0x36/0x1c0
[  851.917995]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  851.923549]  alloc_pages_current+0x173/0x350
[  851.927969]  __page_cache_alloc+0x38c/0x5c0
[  851.932290]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  851.937217]  ? kasan_check_read+0x11/0x20
[  851.941362]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  851.946642]  ? generic_perform_write+0x6a0/0x6a0
[  851.951436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.956978]  ? check_preemption_disabled+0x48/0x280
[  851.962016]  filemap_fault+0x1595/0x25f0
[  851.966090]  ? __lock_page_or_retry+0xa00/0xa00
[  851.970767]  ? mark_held_locks+0x130/0x130
[  851.975012]  ? filemap_map_pages+0xd6b/0x1a20
[  851.979511]  ? lock_downgrade+0x900/0x900
[  851.983662]  ? check_preemption_disabled+0x48/0x280
[  851.988683]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  851.993613]  ? kasan_check_read+0x11/0x20
[  851.997764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  852.003042]  ? rcu_softirq_qs+0x20/0x20
[  852.007120]  ? filemap_map_pages+0xd92/0x1a20
[  852.011635]  ? find_get_entries_tag+0x1400/0x1400
[  852.016487]  ? debug_object_destroy+0x2b0/0x2b0
[  852.021163]  ? lock_pi_update_atomic+0x150/0x150
[  852.025917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.031470]  ? lock_acquire+0x1ed/0x520
[  852.035461]  ? ext4_filemap_fault+0x7a/0xad
[  852.039791]  ? lock_release+0xa00/0xa00
[  852.043764]  ? perf_trace_sched_process_exec+0x860/0x860
[  852.049218]  ? print_usage_bug+0xc0/0xc0
[  852.053280]  ? print_usage_bug+0xc0/0xc0
[  852.057379]  ? down_read+0x8d/0x120
[  852.061015]  ? ext4_filemap_fault+0x7a/0xad
[  852.065334]  ? __down_interruptible+0x700/0x700
[  852.070013]  ext4_filemap_fault+0x82/0xad
[  852.074166]  __do_fault+0x100/0x6b0
[  852.077803]  ? find_held_lock+0x36/0x1c0
[  852.081870]  ? pmd_devmap_trans_unstable+0x220/0x220
[  852.087003]  ? mark_held_locks+0x130/0x130
[  852.091255]  ? mark_held_locks+0x130/0x130
[  852.095494]  ? _raw_spin_unlock_irq+0x27/0x80
[  852.099987]  ? _raw_spin_unlock_irq+0x27/0x80
[  852.104482]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  852.109078]  ? kasan_check_read+0x11/0x20
[  852.113230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.118772]  __handle_mm_fault+0x3ea6/0x5be0
[  852.123189]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  852.128033]  ? finish_task_switch+0x1f4/0x910
[  852.132566]  ? finish_task_switch+0x1b4/0x910
[  852.137062]  ? __switch_to_asm+0x34/0x70
[  852.141125]  ? preempt_notifier_register+0x200/0x200
[  852.146230]  ? __switch_to_asm+0x34/0x70
[  852.150294]  ? __switch_to_asm+0x34/0x70
[  852.154383]  ? zap_class+0x640/0x640
[  852.158106]  ? zap_class+0x640/0x640
[  852.161816]  ? __x64_sys_futex+0x53e/0x6a0
[  852.166054]  ? find_held_lock+0x36/0x1c0
[  852.170124]  ? handle_mm_fault+0x42a/0xc70
[  852.174357]  ? lock_downgrade+0x900/0x900
[  852.178508]  ? check_preemption_disabled+0x48/0x280
[  852.183528]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  852.188472]  ? kasan_check_read+0x11/0x20
[  852.192630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  852.197907]  ? rcu_softirq_qs+0x20/0x20
[  852.201881]  ? trace_hardirqs_off_caller+0x310/0x310
[  852.206987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.212526]  ? check_preemption_disabled+0x48/0x280
[  852.217554]  handle_mm_fault+0x54f/0xc70
[  852.221620]  ? __handle_mm_fault+0x5be0/0x5be0
[  852.226206]  ? find_vma+0x34/0x190
[  852.229753]  __do_page_fault+0x5e8/0xe60
[  852.233813]  ? trace_hardirqs_off+0xb8/0x310
[  852.238252]  do_page_fault+0xf2/0x7e0
[  852.242053]  ? vmalloc_sync_all+0x30/0x30
[  852.246205]  ? error_entry+0x70/0xd0
[  852.249933]  ? trace_hardirqs_off_caller+0xbb/0x310
[  852.254951]  ? trace_hardirqs_on_caller+0xc0/0x310
[  852.259884]  ? syscall_return_slowpath+0x5e0/0x5e0
[  852.264812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  852.269666]  ? trace_hardirqs_on_caller+0x310/0x310
[  852.274689]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  852.280141]  ? prepare_exit_to_usermode+0x291/0x3b0
[  852.285159]  ? page_fault+0x8/0x30
[  852.288704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  852.293555]  ? page_fault+0x8/0x30
[  852.297114]  page_fault+0x1e/0x30
[  852.300563] RIP: 0033:0x45ddf3
[  852.303764] Code: Bad RIP value.
[  852.307131] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  852.312492] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  852.319761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  852.327025] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  852.334287] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  852.341551] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  852.348835] warn_alloc_show_mem: 1 callbacks suppressed
[  852.348846] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  852.348847] Mem-Info:
[  852.348876] active_anon:53034 inactive_anon:131 isolated_anon:0
[  852.348876]  active_file:14 inactive_file:14 isolated_file:0
[  852.348876]  unevictable:0 dirty:0 writeback:0 unstable:0
[  852.348876]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  852.348876]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  852.348876]  free:13749 free_pcp:564 free_cma:0
[  852.354231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  852.361257] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  852.363656] Call Trace:
[  852.396620] 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
[  852.405963]  <IRQ>
[  852.433349] lowmem_reserve[]: 0 2818 6321 6321
[  852.435949]  dump_stack+0x244/0x39d
[  852.462033] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  852.464183]  ? dump_stack_print_info.cold.1+0x20/0x20
[  852.468740] lowmem_reserve[]: 0 0 3503 3503
[  852.472370]  warn_alloc.cold.116+0xb7/0x1bd
[  852.499840] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  852.505061]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  852.509358] lowmem_reserve[]: 0 0 0 0
[  852.513674]  ? lock_downgrade+0x900/0x900
[  852.542709] 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
[  852.547550]  ? trace_hardirqs_off+0xb8/0x310
[  852.551324] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  852.555469]  ? trace_hardirqs_off+0xb8/0x310
[  852.568963] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  852.573366]  __alloc_pages_slowpath+0x26e8/0x2e10
[  852.588516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  852.592948]  ? warn_alloc+0x120/0x120
[  852.608336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  852.613162]  ? warn_alloc+0x120/0x120
[  852.621974] 166 total pagecache pages
[  852.625766]  ? warn_alloc+0x120/0x120
[  852.634325] 0 pages in swap cache
[  852.638113]  ? print_usage_bug+0xc0/0xc0
[  852.641897] Swap cache stats: add 0, delete 0, find 0/0
[  852.645719]  ? print_usage_bug+0xc0/0xc0
[  852.649151] Free swap  = 0kB
[  852.653206]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  852.658550] Total swap = 0kB
[  852.662623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.665621] 1965979 pages RAM
[  852.670822]  ? should_fail+0x22d/0xd01
[  852.673816] 0 pages HighMem/MovableOnly
[  852.679354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  852.682440] 342858 pages reserved
[  852.686323]  ? __lock_acquire+0x62f/0x4c20
[  852.690287] 0 pages cma reserved
[  852.695381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  852.698886] aoe: skb alloc failure
[  852.703051]  ? __lock_acquire+0x62f/0x4c20
[  852.703067]  ? should_fail+0x22d/0xd01
[  852.706464] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  852.711539]  ? mark_held_locks+0x130/0x130
[  852.715051] syz-fuzzer cpuset=/ mems_allowed=0
[  852.719284]  ? mark_held_locks+0x130/0x130
[  852.746832]  ? print_usage_bug+0xc0/0xc0
[  852.750895]  ? kvm_clock_read+0x18/0x30
[  852.754872]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  852.759888]  ? zap_class+0x640/0x640
[  852.763608]  ? __lock_acquire+0x62f/0x4c20
[  852.767839]  ? __lock_acquire+0x62f/0x4c20
[  852.772075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.777614]  ? check_preemption_disabled+0x48/0x280
[  852.782638]  ? __lock_is_held+0xb5/0x140
[  852.786737]  __alloc_pages_nodemask+0xa80/0xde0
[  852.791422]  ? zap_class+0x640/0x640
[  852.795144]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  852.800168]  ? find_held_lock+0x36/0x1c0
[  852.804254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  852.808943]  ? lock_downgrade+0x900/0x900
[  852.813111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.818650]  cache_grow_begin+0xa5/0x8c0
[  852.822735]  ? do_raw_spin_unlock+0xa7/0x330
[  852.827174]  fallback_alloc+0x204/0x2e0
[  852.831640]  ____cache_alloc_node+0x1c7/0x1e0
[  852.836145]  kmem_cache_alloc+0x1f8/0x730
[  852.840307]  __build_skb+0xab/0x430
[  852.843936]  ? skb_try_coalesce+0x1b70/0x1b70
[  852.848450]  ? trace_hardirqs_on+0xbd/0x310
[  852.852774]  ? find_held_lock+0x36/0x1c0
[  852.856850]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  852.862385]  ? trace_hardirqs_off_caller+0x310/0x310
[  852.867525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.873067]  ? check_preemption_disabled+0x48/0x280
[  852.878104]  __netdev_alloc_skb+0x2b5/0x450
[  852.882443]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  852.887805]  ? mod_timer+0x62c/0x1560
[  852.891617]  ? br_send_bpdu_finish+0x20/0x20
[  852.896031]  ? mark_held_locks+0x130/0x130
[  852.900269]  ? __lock_acquire+0x62f/0x4c20
[  852.904505]  ? lockdep_hardirqs_on+0x270/0x5b0
[  852.909100]  br_send_config_bpdu+0xc9d/0x10a0
[  852.913599]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  852.919240]  br_transmit_config+0x8cd/0xbb0
[  852.923560]  ? find_held_lock+0x36/0x1c0
[  852.927625]  ? br_get_port+0x280/0x280
[  852.931531]  ? lock_acquire+0x1ed/0x520
[  852.935521]  ? br_hello_timer_expired+0x20/0x190
[  852.940286]  ? kasan_check_read+0x11/0x20
[  852.944459]  br_config_bpdu_generation+0x16a/0x1c0
[  852.949410]  br_hello_timer_expired+0xa9/0x190
[  852.953995]  call_timer_fn+0x272/0x920
[  852.957886]  ? br_is_root_bridge+0x40/0x40
[  852.962126]  ? process_timeout+0x40/0x40
[  852.966192]  ? __run_timers+0x7da/0xc70
[  852.970169]  ? _raw_spin_unlock_irq+0x27/0x80
[  852.974662]  ? _raw_spin_unlock_irq+0x27/0x80
[  852.979155]  ? br_is_root_bridge+0x40/0x40
[  852.983392]  ? lockdep_hardirqs_on+0x296/0x5b0
[  852.987991]  ? trace_hardirqs_on+0xbd/0x310
[  852.992316]  ? kasan_check_read+0x11/0x20
[  852.996461]  ? __run_timers+0x7da/0xc70
[  853.000445]  ? trace_hardirqs_off_caller+0x310/0x310
[  853.005559]  ? br_is_root_bridge+0x40/0x40
[  853.009791]  __run_timers+0x7e5/0xc70
[  853.013602]  ? timer_fixup_init+0x70/0x70
[  853.017789]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  853.022832]  ? zap_class+0x640/0x640
[  853.026578]  ? enqueue_hrtimer+0x1a5/0x560
[  853.030824]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  853.036020]  ? find_held_lock+0x36/0x1c0
[  853.040086]  ? zap_class+0x640/0x640
[  853.043803]  ? pvclock_read_flags+0x160/0x160
[  853.048300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.053837]  ? check_preemption_disabled+0x48/0x280
[  853.058863]  ? __lock_is_held+0xb5/0x140
[  853.062928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.068466]  ? check_preemption_disabled+0x48/0x280
[  853.073511]  run_timer_softirq+0x52/0xb0
[  853.077572]  ? rcu_read_lock_sched_held+0x14f/0x180
[  853.082594]  __do_softirq+0x308/0xb7e
[  853.086405]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  853.090901]  ? lock_downgrade+0x900/0x900
[  853.095052]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  853.100162]  ? pvclock_read_flags+0x160/0x160
[  853.104671]  ? lapic_next_event+0x5a/0x90
[  853.108817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.114356]  ? kvm_clock_read+0x18/0x30
[  853.118328]  ? kvm_sched_clock_read+0x9/0x20
[  853.122740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.128277]  ? check_preemption_disabled+0x48/0x280
[  853.133325]  irq_exit+0x17f/0x1c0
[  853.136777]  smp_apic_timer_interrupt+0x1cb/0x760
[  853.141623]  ? smp_reschedule_interrupt+0x109/0x650
[  853.146644]  ? smp_call_function_single_interrupt+0x650/0x650
[  853.152529]  ? interrupt_entry+0xb5/0xc0
[  853.156590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  853.161631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  853.166652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  853.171495]  ? trace_hardirqs_on_caller+0x310/0x310
[  853.176510]  ? trace_hardirqs_on_caller+0x310/0x310
[  853.181523]  ? task_prio+0x50/0x50
[  853.185067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.190617]  ? check_preemption_disabled+0x48/0x280
[  853.195638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  853.200491]  apic_timer_interrupt+0xf/0x20
[  853.204720]  </IRQ>
[  853.206978] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  853.212860] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  853.231769] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  853.239497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  853.246776] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  853.254051] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  853.261310] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  853.268572] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  853.275871]  ? save_stack+0xa9/0xd0
[  853.279506]  __kmalloc_node_track_caller+0x3c/0x70
[  853.284442]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  853.289198]  pskb_expand_head+0x230/0x10f0
[  853.293458]  ? check_preemption_disabled+0x48/0x280
[  853.298479]  ? memcpy+0x45/0x50
[  853.301757]  ? __copy_skb_header+0x350/0x6b0
[  853.306181]  ? skb_release_data+0x880/0x880
[  853.310502]  ? __alloc_skb+0x770/0x770
[  853.314443]  ? __lock_is_held+0xb5/0x140
[  853.318515]  ? kasan_check_write+0x14/0x20
[  853.322744]  ? __skb_clone+0x6c7/0xa00
[  853.326633]  ? __copy_skb_header+0x6b0/0x6b0
[  853.331037]  ? kmem_cache_alloc+0x33a/0x730
[  853.335355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.340892]  skb_ensure_writable+0x3dd/0x640
[  853.345304]  ? skb_checksum_setup+0xaa0/0xaa0
[  853.349797]  ? preempt_notifier_register+0x200/0x200
[  853.354895]  ? __switch_to_asm+0x34/0x70
[  853.358967]  ? __switch_to_asm+0x34/0x70
[  853.363028]  ? __switch_to_asm+0x40/0x70
[  853.367082]  ? __switch_to_asm+0x34/0x70
[  853.371138]  ? __switch_to_asm+0x40/0x70
[  853.375192]  ? __switch_to_asm+0x40/0x70
[  853.379249]  ? __switch_to_asm+0x34/0x70
[  853.383322]  ? __switch_to_asm+0x34/0x70
[  853.387377]  ? __switch_to_asm+0x40/0x70
[  853.391452]  ? __switch_to_asm+0x34/0x70
[  853.395523]  bpf_clone_redirect+0x14a/0x490
[  853.399851]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  853.404863]  ? __sched_text_start+0x8/0x8
[  853.409008]  ? retint_kernel+0x2d/0x2d
[  853.412942]  ? find_held_lock+0x36/0x1c0
[  853.417004]  ? lock_acquire+0x1ed/0x520
[  853.420971]  ? bpf_test_run+0x3cb/0x780
[  853.424944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.430496]  ? check_preemption_disabled+0x48/0x280
[  853.435541]  ? kasan_check_read+0x11/0x20
[  853.439692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  853.445005]  ? rcu_softirq_qs+0x20/0x20
[  853.449004]  ? preempt_schedule+0x4d/0x60
[  853.453158]  ? ___preempt_schedule+0x16/0x18
[  853.457574]  ? bpf_test_run+0x25d/0x780
[  853.461591]  ? netlink_diag_dump+0x2a0/0x2a0
[  853.466005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  853.471556]  ? bpf_test_init.isra.10+0x70/0x100
[  853.476265]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  853.481034]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  853.485872]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  853.491415]  ? fput+0x130/0x1a0
[  853.494701]  ? __bpf_prog_get+0x9b/0x290
[  853.498769]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  853.503612]  ? bpf_prog_test_run+0x130/0x1a0
[  853.508019]  ? __x64_sys_bpf+0x3d8/0x520
[  853.512078]  ? bpf_prog_get+0x20/0x20
[  853.515917]  ? do_syscall_64+0x1b9/0x820
[  853.519979]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  853.525345]  ? syscall_return_slowpath+0x5e0/0x5e0
[  853.530276]  ? trace_hardirqs_on_caller+0x310/0x310
[  853.535290]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  853.540322]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  853.546986]  ? __switch_to_asm+0x40/0x70
[  853.551057]  ? __switch_to_asm+0x34/0x70
[  853.555137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  853.560014]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  853.565423] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  853.565545] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  853.572110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  853.582583] syz-executor0 cpuset=syz0 mems_allowed=0
[  853.591918] Call Trace:
[  853.591927]  <IRQ>
[  853.601747]  dump_stack+0x244/0x39d
[  853.605391]  ? dump_stack_print_info.cold.1+0x20/0x20
[  853.610612]  warn_alloc.cold.116+0xb7/0x1bd
[  853.614936]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  853.619788]  ? lock_downgrade+0x900/0x900
[  853.623970]  ? trace_hardirqs_off+0xb8/0x310
[  853.628409]  ? trace_hardirqs_off+0xb8/0x310
[  853.632849]  __alloc_pages_slowpath+0x26e8/0x2e10
[  853.637734]  ? warn_alloc+0x120/0x120
[  853.641543]  ? warn_alloc+0x120/0x120
[  853.645350]  ? __lock_acquire+0x62f/0x4c20
[  853.649590]  ? warn_alloc+0x120/0x120
[  853.653486]  ? print_usage_bug+0xc0/0xc0
[  853.657564]  ? print_usage_bug+0xc0/0xc0
[  853.661629]  ? mark_held_locks+0x130/0x130
[  853.665872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  853.671426]  ? should_fail+0x22d/0xd01
[  853.675318]  ? zap_class+0x640/0x640
[  853.679036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  853.684147]  ? __lock_acquire+0x62f/0x4c20
[  853.688384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  853.693532]  ? should_fail+0x22d/0xd01
[  853.697458]  ? mark_held_locks+0x130/0x130
[  853.701702]  ? mark_held_locks+0x130/0x130
[  853.705940]  ? lock_downgrade+0x900/0x900
[  853.710089]  ? zap_class+0x640/0x640
[  853.713820]  ? zap_class+0x640/0x640
[  853.717559]  ? zap_class+0x640/0x640
[  853.721268]  ? do_raw_spin_unlock+0xa7/0x330
[  853.725680]  ? trace_hardirqs_on+0x310/0x310
[  853.730091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.735630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.741170]  ? check_preemption_disabled+0x48/0x280
[  853.746198]  ? __lock_is_held+0xb5/0x140
[  853.750270]  __alloc_pages_nodemask+0xa80/0xde0
[  853.754938]  ? zap_class+0x640/0x640
[  853.758661]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  853.763690]  ? find_held_lock+0x36/0x1c0
[  853.767762]  ? ____cache_alloc_node+0x1c7/0x1e0
[  853.772441]  ? lock_downgrade+0x900/0x900
[  853.776603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.782146]  cache_grow_begin+0xa5/0x8c0
[  853.786206]  ? do_raw_spin_unlock+0xa7/0x330
[  853.790640]  fallback_alloc+0x204/0x2e0
[  853.794633]  ____cache_alloc_node+0x1c7/0x1e0
[  853.799138]  kmem_cache_alloc_node+0xe3/0x730
[  853.803640]  ? lockdep_hardirqs_on+0x296/0x5b0
[  853.808234]  __alloc_skb+0x119/0x770
[  853.811952]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  853.817326]  ? netdev_alloc_frag+0x1f0/0x1f0
[  853.821743]  ? vprintk_default+0x28/0x30
[  853.825804]  ? vprintk_func+0x85/0x181
[  853.829693]  ? printk+0xa7/0xcf
[  853.832997]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  853.837761]  new_skb+0x26/0x1c0
[  853.841045]  aoecmd_cfg+0x279/0x7f0
[  853.844678]  ? find_held_lock+0x36/0x1c0
[  853.848745]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  853.853077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.858626]  ? __lock_is_held+0xb5/0x140
[  853.862699]  discover_timer+0x50/0x60
[  853.866505]  call_timer_fn+0x272/0x920
[  853.870421]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  853.875266]  ? process_timeout+0x40/0x40
[  853.879337]  ? mark_held_locks+0xc7/0x130
[  853.883491]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.887987]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.892482]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  853.897330]  ? lockdep_hardirqs_on+0x296/0x5b0
[  853.901927]  ? trace_hardirqs_on+0xbd/0x310
[  853.906254]  ? kasan_check_read+0x11/0x20
[  853.910419]  ? __run_timers+0x7da/0xc70
[  853.914408]  ? trace_hardirqs_off_caller+0x310/0x310
[  853.919535]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  853.924375]  __run_timers+0x7e5/0xc70
[  853.928211]  ? timer_fixup_init+0x70/0x70
[  853.932378]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  853.937426]  ? zap_class+0x640/0x640
[  853.941148]  ? print_usage_bug+0xc0/0xc0
[  853.945217]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  853.950433]  ? find_held_lock+0x36/0x1c0
[  853.954505]  ? zap_class+0x640/0x640
[  853.958225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.963764]  ? check_preemption_disabled+0x48/0x280
[  853.968794]  ? __lock_is_held+0xb5/0x140
[  853.972855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.978392]  ? check_preemption_disabled+0x48/0x280
[  853.983443]  run_timer_softirq+0x52/0xb0
[  853.987513]  ? rcu_read_lock_sched_held+0x14f/0x180
[  853.992529]  __do_softirq+0x308/0xb7e
[  853.996340]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  854.000858]  ? lock_downgrade+0x900/0x900
[  854.005011]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  854.010137]  ? pvclock_read_flags+0x160/0x160
[  854.014635]  ? lapic_next_event+0x5a/0x90
[  854.018787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.024329]  ? kvm_clock_read+0x18/0x30
[  854.028318]  ? kvm_sched_clock_read+0x9/0x20
[  854.032739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.038280]  ? check_preemption_disabled+0x48/0x280
[  854.043308]  irq_exit+0x17f/0x1c0
[  854.046772]  smp_apic_timer_interrupt+0x1cb/0x760
[  854.051625]  ? smp_reschedule_interrupt+0x109/0x650
[  854.056644]  ? smp_call_function_single_interrupt+0x650/0x650
[  854.062534]  ? interrupt_entry+0xb5/0xc0
[  854.066597]  ? trace_hardirqs_off_caller+0xbb/0x310
[  854.071616]  ? trace_hardirqs_off_caller+0xbb/0x310
[  854.076638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.081480]  ? trace_hardirqs_on_caller+0x310/0x310
[  854.086494]  ? trace_hardirqs_on_caller+0x310/0x310
[  854.091510]  ? task_prio+0x50/0x50
[  854.095054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.100590]  ? check_preemption_disabled+0x48/0x280
[  854.105609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.110460]  apic_timer_interrupt+0xf/0x20
[  854.114688]  </IRQ>
[  854.116936] RIP: 0010:dump_stack+0x358/0x39d
[  854.121342] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  854.140268] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  854.147967] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  854.155235] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  854.162511] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  854.169780] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  854.177046] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  854.184328]  ? dump_stack+0x34f/0x39d
[  854.188136]  ? dump_stack_print_info.cold.1+0x20/0x20
[  854.193324]  ? mark_held_locks+0x130/0x130
[  854.197555]  ? mark_held_locks+0x130/0x130
[  854.201796]  dump_header+0x27b/0xf72
[  854.205538]  ? pagefault_out_of_memory+0x197/0x197
[  854.210476]  ? __lock_acquire+0x62f/0x4c20
[  854.214726]  ? percpu_ref_get_many+0x240/0x240
[  854.219308]  ? print_usage_bug+0xc0/0xc0
[  854.223370]  ? zap_class+0x640/0x640
[  854.227098]  ? print_usage_bug+0xc0/0xc0
[  854.231155]  ? print_usage_bug+0xc0/0xc0
[  854.235223]  ? zap_class+0x640/0x640
[  854.238939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.244480]  ? find_held_lock+0x36/0x1c0
[  854.248560]  ? mark_held_locks+0xc7/0x130
[  854.252720]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  854.257830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  854.262932]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  854.267530]  ? trace_hardirqs_on+0xbd/0x310
[  854.271845]  ? kasan_check_read+0x11/0x20
[  854.275989]  ? ___ratelimit+0x3b4/0x672
[  854.279962]  ? trace_hardirqs_off_caller+0x310/0x310
[  854.285063]  ? trace_hardirqs_on+0x310/0x310
[  854.289469]  ? lock_downgrade+0x900/0x900
[  854.293619]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  854.298726]  ? ___ratelimit+0x3b9/0x672
[  854.302726]  ? idr_get_free+0xf80/0xf80
[  854.306700]  ? find_held_lock+0x36/0x1c0
[  854.310772]  oom_kill_process.cold.27+0x10/0x903
[  854.315531]  ? zap_class+0x640/0x640
[  854.319247]  ? check_preemption_disabled+0x48/0x280
[  854.324266]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  854.329197]  ? kasan_check_read+0x11/0x20
[  854.333341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.338622]  ? oom_evaluate_task+0x540/0x540
[  854.343034]  ? find_held_lock+0x36/0x1c0
[  854.347108]  ? out_of_memory+0x974/0x1430
[  854.351273]  ? lock_downgrade+0x900/0x900
[  854.355445]  ? check_preemption_disabled+0x48/0x280
[  854.360470]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  854.365405]  ? kasan_check_read+0x11/0x20
[  854.369558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.374833]  ? rcu_softirq_qs+0x20/0x20
[  854.378814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.384349]  ? oom_evaluate_task+0x302/0x540
[  854.388765]  out_of_memory+0xa84/0x1430
[  854.392747]  ? oom_killer_disable+0x3a0/0x3a0
[  854.397256]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  854.402185]  ? __ww_mutex_check_waiters+0x160/0x160
[  854.407218]  __alloc_pages_slowpath+0x2354/0x2e10
[  854.412106]  ? warn_alloc+0x120/0x120
[  854.415906]  ? mark_held_locks+0x130/0x130
[  854.420145]  ? find_get_entry+0xaae/0x1120
[  854.424386]  ? filemap_map_pages+0x1a20/0x1a20
[  854.428981]  ? zap_class+0x640/0x640
[  854.432706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.438258]  ? check_preemption_disabled+0x48/0x280
[  854.443290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.448831]  ? should_fail+0x22d/0xd01
[  854.452722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  854.457828]  ? zap_class+0x640/0x640
[  854.461573]  ? __lock_is_held+0xb5/0x140
[  854.465643]  ? mark_held_locks+0x130/0x130
[  854.469882]  ? lock_release+0xa00/0xa00
[  854.473858]  ? perf_trace_sched_process_exec+0x860/0x860
[  854.479307]  ? xa_load+0x2ba/0x460
[  854.482852]  ? lock_downgrade+0x900/0x900
[  854.487009]  ? __might_sleep+0x95/0x190
[  854.490989]  __alloc_pages_nodemask+0xa80/0xde0
[  854.495669]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  854.500686]  ? __page_cache_alloc+0x191/0x5c0
[  854.505177]  ? xa_load+0x2e1/0x460
[  854.508718]  ? xa_clear_mark+0x40/0x40
[  854.512609]  ? zap_class+0x640/0x640
[  854.516334]  ? zap_class+0x640/0x640
[  854.520051]  ? zap_class+0x640/0x640
[  854.523779]  ? __do_page_cache_readahead+0x663/0x810
[  854.528984]  ? find_held_lock+0x36/0x1c0
[  854.533053]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  854.538599]  alloc_pages_current+0x173/0x350
[  854.543020]  __page_cache_alloc+0x38c/0x5c0
[  854.547370]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  854.552307]  ? kasan_check_read+0x11/0x20
[  854.556458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.561737]  ? generic_perform_write+0x6a0/0x6a0
[  854.566496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.572032]  ? check_preemption_disabled+0x48/0x280
[  854.577059]  filemap_fault+0x1595/0x25f0
[  854.581139]  ? __lock_page_or_retry+0xa00/0xa00
[  854.585838]  ? mark_held_locks+0x130/0x130
[  854.590125]  ? filemap_map_pages+0xd6b/0x1a20
[  854.594638]  ? lock_downgrade+0x900/0x900
[  854.598787]  ? check_preemption_disabled+0x48/0x280
[  854.603807]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  854.608739]  ? kasan_check_read+0x11/0x20
[  854.612890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.618168]  ? rcu_softirq_qs+0x20/0x20
[  854.622161]  ? filemap_map_pages+0xd92/0x1a20
[  854.626673]  ? find_get_entries_tag+0x1400/0x1400
[  854.631520]  ? debug_object_destroy+0x2b0/0x2b0
[  854.636193]  ? lock_pi_update_atomic+0x150/0x150
[  854.640950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.646501]  ? lock_acquire+0x1ed/0x520
[  854.650481]  ? ext4_filemap_fault+0x7a/0xad
[  854.654809]  ? lock_release+0xa00/0xa00
[  854.658786]  ? perf_trace_sched_process_exec+0x860/0x860
[  854.664237]  ? print_usage_bug+0xc0/0xc0
[  854.668300]  ? print_usage_bug+0xc0/0xc0
[  854.672377]  ? down_read+0x8d/0x120
[  854.676028]  ? ext4_filemap_fault+0x7a/0xad
[  854.680350]  ? __down_interruptible+0x700/0x700
[  854.685035]  ext4_filemap_fault+0x82/0xad
[  854.689188]  __do_fault+0x100/0x6b0
[  854.692815]  ? find_held_lock+0x36/0x1c0
[  854.696880]  ? pmd_devmap_trans_unstable+0x220/0x220
[  854.701995]  ? mark_held_locks+0x130/0x130
[  854.706245]  ? mark_held_locks+0x130/0x130
[  854.710484]  ? _raw_spin_unlock_irq+0x27/0x80
[  854.714982]  ? _raw_spin_unlock_irq+0x27/0x80
[  854.719480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  854.724561]  ? kasan_check_read+0x11/0x20
[  854.728715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.734260]  __handle_mm_fault+0x3ea6/0x5be0
[  854.738685]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  854.743532]  ? finish_task_switch+0x1f4/0x910
[  854.748037]  ? finish_task_switch+0x1b4/0x910
[  854.752549]  ? __switch_to_asm+0x34/0x70
[  854.756626]  ? preempt_notifier_register+0x200/0x200
[  854.761733]  ? __switch_to_asm+0x34/0x70
[  854.765794]  ? __switch_to_asm+0x34/0x70
[  854.769872]  ? zap_class+0x640/0x640
[  854.773590]  ? zap_class+0x640/0x640
[  854.777301]  ? __x64_sys_futex+0x53e/0x6a0
[  854.781546]  ? find_held_lock+0x36/0x1c0
[  854.785620]  ? handle_mm_fault+0x42a/0xc70
[  854.789862]  ? lock_downgrade+0x900/0x900
[  854.794186]  ? check_preemption_disabled+0x48/0x280
[  854.799207]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  854.804137]  ? kasan_check_read+0x11/0x20
[  854.808295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.813597]  ? rcu_softirq_qs+0x20/0x20
[  854.817576]  ? trace_hardirqs_off_caller+0x310/0x310
[  854.822683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.828222]  ? check_preemption_disabled+0x48/0x280
[  854.833482]  handle_mm_fault+0x54f/0xc70
[  854.837550]  ? __handle_mm_fault+0x5be0/0x5be0
[  854.842140]  ? find_vma+0x34/0x190
[  854.845685]  __do_page_fault+0x5e8/0xe60
[  854.849749]  ? trace_hardirqs_off+0xb8/0x310
[  854.854184]  do_page_fault+0xf2/0x7e0
[  854.857990]  ? vmalloc_sync_all+0x30/0x30
[  854.862139]  ? error_entry+0x70/0xd0
[  854.865856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  854.870870]  ? trace_hardirqs_on_caller+0xc0/0x310
[  854.875817]  ? syscall_return_slowpath+0x5e0/0x5e0
[  854.880749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.885593]  ? trace_hardirqs_on_caller+0x310/0x310
[  854.890618]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  854.896082]  ? prepare_exit_to_usermode+0x291/0x3b0
[  854.901102]  ? page_fault+0x8/0x30
[  854.904672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.909531]  ? page_fault+0x8/0x30
[  854.913072]  page_fault+0x1e/0x30
[  854.916523] RIP: 0033:0x45ddf3
[  854.919730] Code: Bad RIP value.
[  854.923094] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  854.928465] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  854.935734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  854.943000] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  854.950273] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  854.957539] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  854.964831] warn_alloc_show_mem: 1 callbacks suppressed
[  854.964843] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  854.964845] Mem-Info:
[  854.964876] active_anon:53034 inactive_anon:131 isolated_anon:0
[  854.964876]  active_file:14 inactive_file:14 isolated_file:0
[  854.964876]  unevictable:0 dirty:0 writeback:0 unstable:0
[  854.964876]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  854.964876]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  854.964876]  free:13749 free_pcp:564 free_cma:0
[  854.970219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  854.977234] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  854.979634] Call Trace:
[  855.012587] 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
[  855.021940]  <IRQ>
[  855.049332] lowmem_reserve[]: 0 2818 6321 6321
[  855.051926]  dump_stack+0x244/0x39d
[  855.078010] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  855.080157]  ? dump_stack_print_info.cold.1+0x20/0x20
[  855.084727] lowmem_reserve[]: 0 0 3503 3503
[  855.088370]  warn_alloc.cold.116+0xb7/0x1bd
[  855.115835] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  855.121029]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  855.125323] lowmem_reserve[]: 0 0 0 0
[  855.129644]  ? lock_downgrade+0x900/0x900
[  855.158704] 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
[  855.163544]  ? trace_hardirqs_off+0xb8/0x310
[  855.167322] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  855.171485]  ? trace_hardirqs_off+0xb8/0x310
[  855.184983] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  855.189389]  __alloc_pages_slowpath+0x26e8/0x2e10
[  855.204546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  855.208997]  ? warn_alloc+0x120/0x120
[  855.224376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  855.229207]  ? warn_alloc+0x120/0x120
[  855.238020] 166 total pagecache pages
[  855.241811]  ? warn_alloc+0x120/0x120
[  855.250383] 0 pages in swap cache
[  855.254179]  ? print_usage_bug+0xc0/0xc0
[  855.257956] Swap cache stats: add 0, delete 0, find 0/0
[  855.261741]  ? enqueue_hrtimer+0x1a5/0x560
[  855.265170] Free swap  = 0kB
[  855.269220]  ? print_usage_bug+0xc0/0xc0
[  855.274561] Total swap = 0kB
[  855.278786]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  855.281781] 1965979 pages RAM
[  855.285837]  ? print_usage_bug+0xc0/0xc0
[  855.288842] 0 pages HighMem/MovableOnly
[  855.294025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  855.297104] 342858 pages reserved
[  855.301160]  ? should_fail+0x22d/0xd01
[  855.305117] 0 pages cma reserved
[  855.310659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  855.314142] aoe: skb alloc failure
[  855.317961]  ? __lock_acquire+0x62f/0x4c20
[  855.317979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  855.317995]  ? __lock_acquire+0x62f/0x4c20
[  855.321379] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  855.326447]  ? should_fail+0x22d/0xd01
[  855.329964] syz-fuzzer cpuset=/ mems_allowed=0
[  855.334214]  ? mark_held_locks+0x130/0x130
[  855.366374]  ? mark_held_locks+0x130/0x130
[  855.370621]  ? mark_held_locks+0x130/0x130
[  855.374854]  ? zap_class+0x640/0x640
[  855.378578]  ? check_preemption_disabled+0x48/0x280
[  855.383593]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  855.388105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.393668]  ? check_preemption_disabled+0x48/0x280
[  855.398695]  ? __lock_is_held+0xb5/0x140
[  855.402787]  __alloc_pages_nodemask+0xa80/0xde0
[  855.407455]  ? zap_class+0x640/0x640
[  855.411177]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  855.416230]  ? find_held_lock+0x36/0x1c0
[  855.420300]  ? ____cache_alloc_node+0x1c7/0x1e0
[  855.424974]  ? lock_downgrade+0x900/0x900
[  855.429147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.434700]  cache_grow_begin+0xa5/0x8c0
[  855.438761]  ? do_raw_spin_unlock+0xa7/0x330
[  855.443193]  fallback_alloc+0x204/0x2e0
[  855.447175]  ____cache_alloc_node+0x1c7/0x1e0
[  855.451678]  kmem_cache_alloc+0x1f8/0x730
[  855.455854]  __build_skb+0xab/0x430
[  855.459482]  ? skb_try_coalesce+0x1b70/0x1b70
[  855.463983]  ? trace_hardirqs_on+0xbd/0x310
[  855.468312]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  855.473854]  ? trace_hardirqs_off_caller+0x310/0x310
[  855.478954]  ? mod_timer+0x631/0x1560
[  855.482756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.488296]  ? check_preemption_disabled+0x48/0x280
[  855.493336]  __netdev_alloc_skb+0x2b5/0x450
[  855.497670]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  855.503030]  ? mod_timer+0x62c/0x1560
[  855.506837]  ? br_send_bpdu_finish+0x20/0x20
[  855.511256]  ? mark_held_locks+0x130/0x130
[  855.515491]  ? __lock_acquire+0x62f/0x4c20
[  855.519730]  ? lockdep_hardirqs_on+0x270/0x5b0
[  855.524325]  br_send_config_bpdu+0xc9d/0x10a0
[  855.528853]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  855.534478]  ? round_jiffies+0x11c/0x170
[  855.538552]  br_transmit_config+0x8cd/0xbb0
[  855.542882]  ? find_held_lock+0x36/0x1c0
[  855.546982]  ? br_get_port+0x280/0x280
[  855.550885]  ? lock_acquire+0x1ed/0x520
[  855.554865]  ? br_hello_timer_expired+0x20/0x190
[  855.559629]  ? kasan_check_read+0x11/0x20
[  855.563793]  br_config_bpdu_generation+0x16a/0x1c0
[  855.568731]  br_hello_timer_expired+0xa9/0x190
[  855.573317]  call_timer_fn+0x272/0x920
[  855.577219]  ? br_is_root_bridge+0x40/0x40
[  855.581457]  ? process_timeout+0x40/0x40
[  855.585530]  ? __run_timers+0x7da/0xc70
[  855.589514]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.594009]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.598508]  ? br_is_root_bridge+0x40/0x40
[  855.602746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  855.607333]  ? trace_hardirqs_on+0xbd/0x310
[  855.611659]  ? kasan_check_read+0x11/0x20
[  855.615805]  ? __run_timers+0x7da/0xc70
[  855.619781]  ? trace_hardirqs_off_caller+0x310/0x310
[  855.624925]  ? br_is_root_bridge+0x40/0x40
[  855.629157]  __run_timers+0x7e5/0xc70
[  855.632965]  ? timer_fixup_init+0x70/0x70
[  855.637113]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  855.642132]  ? zap_class+0x640/0x640
[  855.645859]  ? enqueue_hrtimer+0x1a5/0x560
[  855.650099]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  855.655298]  ? find_held_lock+0x36/0x1c0
[  855.659365]  ? zap_class+0x640/0x640
[  855.663098]  ? pvclock_read_flags+0x160/0x160
[  855.667605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.673147]  ? check_preemption_disabled+0x48/0x280
[  855.678179]  ? __lock_is_held+0xb5/0x140
[  855.682258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.687813]  ? check_preemption_disabled+0x48/0x280
[  855.692839]  run_timer_softirq+0x52/0xb0
[  855.696932]  ? rcu_read_lock_sched_held+0x14f/0x180
[  855.701952]  __do_softirq+0x308/0xb7e
[  855.705788]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  855.710295]  ? lock_downgrade+0x900/0x900
[  855.714466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  855.719578]  ? pvclock_read_flags+0x160/0x160
[  855.724081]  ? lapic_next_event+0x5a/0x90
[  855.728233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.733791]  ? kvm_clock_read+0x18/0x30
[  855.737765]  ? kvm_sched_clock_read+0x9/0x20
[  855.742175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.747712]  ? check_preemption_disabled+0x48/0x280
[  855.752736]  irq_exit+0x17f/0x1c0
[  855.756204]  smp_apic_timer_interrupt+0x1cb/0x760
[  855.761062]  ? smp_reschedule_interrupt+0x109/0x650
[  855.766081]  ? smp_call_function_single_interrupt+0x650/0x650
[  855.771970]  ? interrupt_entry+0xb5/0xc0
[  855.776063]  ? trace_hardirqs_off_caller+0xbb/0x310
[  855.781079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  855.786101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  855.790949]  ? trace_hardirqs_on_caller+0x310/0x310
[  855.795961]  ? trace_hardirqs_on_caller+0x310/0x310
[  855.800972]  ? task_prio+0x50/0x50
[  855.804513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.810051]  ? check_preemption_disabled+0x48/0x280
[  855.815077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  855.819938]  apic_timer_interrupt+0xf/0x20
[  855.824165]  </IRQ>
[  855.826437] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  855.832322] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  855.851231] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  855.858936] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  855.866200] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  855.873473] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  855.880738] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  855.888014] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  855.895309]  ? save_stack+0xa9/0xd0
[  855.898952]  __kmalloc_node_track_caller+0x3c/0x70
[  855.903925]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  855.908712]  pskb_expand_head+0x230/0x10f0
[  855.912947]  ? check_preemption_disabled+0x48/0x280
[  855.917965]  ? memcpy+0x45/0x50
[  855.921252]  ? __copy_skb_header+0x350/0x6b0
[  855.925673]  ? skb_release_data+0x880/0x880
[  855.930004]  ? __alloc_skb+0x770/0x770
[  855.933902]  ? __lock_is_held+0xb5/0x140
[  855.937979]  ? kasan_check_write+0x14/0x20
[  855.942215]  ? __skb_clone+0x6c7/0xa00
[  855.946107]  ? __copy_skb_header+0x6b0/0x6b0
[  855.950517]  ? kmem_cache_alloc+0x33a/0x730
[  855.954845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.960392]  skb_ensure_writable+0x3dd/0x640
[  855.964817]  ? skb_checksum_setup+0xaa0/0xaa0
[  855.969315]  ? preempt_notifier_register+0x200/0x200
[  855.974439]  ? __switch_to_asm+0x34/0x70
[  855.978506]  ? __switch_to_asm+0x34/0x70
[  855.982569]  ? __switch_to_asm+0x40/0x70
[  855.986641]  ? __switch_to_asm+0x34/0x70
[  855.990708]  ? __switch_to_asm+0x40/0x70
[  855.994771]  ? __switch_to_asm+0x40/0x70
[  855.998843]  ? __switch_to_asm+0x34/0x70
[  856.002903]  ? __switch_to_asm+0x34/0x70
[  856.006973]  ? __switch_to_asm+0x40/0x70
[  856.011034]  ? __switch_to_asm+0x34/0x70
[  856.015102]  bpf_clone_redirect+0x14a/0x490
[  856.019440]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  856.024465]  ? __sched_text_start+0x8/0x8
[  856.028619]  ? retint_kernel+0x2d/0x2d
[  856.032516]  ? find_held_lock+0x36/0x1c0
[  856.036603]  ? lock_acquire+0x1ed/0x520
[  856.040578]  ? bpf_test_run+0x3cb/0x780
[  856.044557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.050095]  ? check_preemption_disabled+0x48/0x280
[  856.055120]  ? kasan_check_read+0x11/0x20
[  856.059271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.064551]  ? rcu_softirq_qs+0x20/0x20
[  856.068524]  ? preempt_schedule+0x4d/0x60
[  856.072673]  ? ___preempt_schedule+0x16/0x18
[  856.077087]  ? bpf_test_run+0x25d/0x780
[  856.081070]  ? netlink_diag_dump+0x2a0/0x2a0
[  856.085519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.091063]  ? bpf_test_init.isra.10+0x70/0x100
[  856.095741]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  856.100510]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  856.105353]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  856.110887]  ? fput+0x130/0x1a0
[  856.114171]  ? __bpf_prog_get+0x9b/0x290
[  856.118244]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  856.123086]  ? bpf_prog_test_run+0x130/0x1a0
[  856.127497]  ? __x64_sys_bpf+0x3d8/0x520
[  856.131559]  ? bpf_prog_get+0x20/0x20
[  856.135384]  ? do_syscall_64+0x1b9/0x820
[  856.139456]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  856.144826]  ? syscall_return_slowpath+0x5e0/0x5e0
[  856.149770]  ? trace_hardirqs_on_caller+0x310/0x310
[  856.154788]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  856.159804]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  856.166469]  ? __switch_to_asm+0x40/0x70
[  856.170529]  ? __switch_to_asm+0x34/0x70
[  856.174608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.179480]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  856.184888] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  856.185058] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  856.191561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  856.191570] Call Trace:
[  856.202043] syz-executor0 cpuset=syz0 mems_allowed=0
[  856.211387]  <IRQ>
[  856.221240]  dump_stack+0x244/0x39d
[  856.224874]  ? dump_stack_print_info.cold.1+0x20/0x20
[  856.230075]  warn_alloc.cold.116+0xb7/0x1bd
[  856.234408]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  856.239262]  ? lock_downgrade+0x900/0x900
[  856.243445]  ? trace_hardirqs_off+0xb8/0x310
[  856.247865]  ? trace_hardirqs_off+0xb8/0x310
[  856.252280]  __alloc_pages_slowpath+0x26e8/0x2e10
[  856.257164]  ? warn_alloc+0x120/0x120
[  856.260973]  ? warn_alloc+0x120/0x120
[  856.264788]  ? __lock_acquire+0x62f/0x4c20
[  856.269023]  ? warn_alloc+0x120/0x120
[  856.272825]  ? print_usage_bug+0xc0/0xc0
[  856.276913]  ? print_usage_bug+0xc0/0xc0
[  856.280975]  ? mark_held_locks+0x130/0x130
[  856.285216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.290766]  ? should_fail+0x22d/0xd01
[  856.294656]  ? zap_class+0x640/0x640
[  856.298375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  856.303500]  ? __lock_acquire+0x62f/0x4c20
[  856.307738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  856.312841]  ? should_fail+0x22d/0xd01
[  856.316765]  ? mark_held_locks+0x130/0x130
[  856.321005]  ? mark_held_locks+0x130/0x130
[  856.325240]  ? lock_downgrade+0x900/0x900
[  856.329391]  ? zap_class+0x640/0x640
[  856.333119]  ? zap_class+0x640/0x640
[  856.336835]  ? zap_class+0x640/0x640
[  856.340545]  ? do_raw_spin_unlock+0xa7/0x330
[  856.344952]  ? trace_hardirqs_on+0x310/0x310
[  856.349369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.354908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.360446]  ? check_preemption_disabled+0x48/0x280
[  856.365473]  ? __lock_is_held+0xb5/0x140
[  856.369537]  __alloc_pages_nodemask+0xa80/0xde0
[  856.374206]  ? zap_class+0x640/0x640
[  856.377928]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  856.382952]  ? find_held_lock+0x36/0x1c0
[  856.387023]  ? ____cache_alloc_node+0x1c7/0x1e0
[  856.391695]  ? lock_downgrade+0x900/0x900
[  856.395844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.401383]  cache_grow_begin+0xa5/0x8c0
[  856.405457]  ? do_raw_spin_unlock+0xa7/0x330
[  856.409885]  fallback_alloc+0x204/0x2e0
[  856.413866]  ____cache_alloc_node+0x1c7/0x1e0
[  856.418370]  kmem_cache_alloc_node+0xe3/0x730
[  856.422871]  ? lockdep_hardirqs_on+0x296/0x5b0
[  856.427462]  __alloc_skb+0x119/0x770
[  856.431185]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  856.436556]  ? netdev_alloc_frag+0x1f0/0x1f0
[  856.440973]  ? vprintk_default+0x28/0x30
[  856.445030]  ? vprintk_func+0x85/0x181
[  856.448915]  ? printk+0xa7/0xcf
[  856.452224]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  856.456992]  new_skb+0x26/0x1c0
[  856.460269]  aoecmd_cfg+0x279/0x7f0
[  856.463909]  ? find_held_lock+0x36/0x1c0
[  856.467987]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  856.472330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.477880]  ? __lock_is_held+0xb5/0x140
[  856.481953]  discover_timer+0x50/0x60
[  856.485751]  call_timer_fn+0x272/0x920
[  856.489654]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  856.494499]  ? process_timeout+0x40/0x40
[  856.498580]  ? mark_held_locks+0xc7/0x130
[  856.502772]  ? _raw_spin_unlock_irq+0x27/0x80
[  856.507284]  ? _raw_spin_unlock_irq+0x27/0x80
[  856.511794]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  856.516640]  ? lockdep_hardirqs_on+0x296/0x5b0
[  856.521229]  ? trace_hardirqs_on+0xbd/0x310
[  856.525551]  ? kasan_check_read+0x11/0x20
[  856.529709]  ? __run_timers+0x7da/0xc70
[  856.533724]  ? trace_hardirqs_off_caller+0x310/0x310
[  856.538837]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  856.543678]  __run_timers+0x7e5/0xc70
[  856.547490]  ? timer_fixup_init+0x70/0x70
[  856.551643]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  856.556664]  ? zap_class+0x640/0x640
[  856.560383]  ? print_usage_bug+0xc0/0xc0
[  856.564461]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  856.569661]  ? find_held_lock+0x36/0x1c0
[  856.573732]  ? zap_class+0x640/0x640
[  856.577453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.582996]  ? check_preemption_disabled+0x48/0x280
[  856.588048]  ? __lock_is_held+0xb5/0x140
[  856.592112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.597656]  ? check_preemption_disabled+0x48/0x280
[  856.602677]  run_timer_softirq+0x52/0xb0
[  856.606745]  ? rcu_read_lock_sched_held+0x14f/0x180
[  856.611777]  __do_softirq+0x308/0xb7e
[  856.615594]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  856.620114]  ? lock_downgrade+0x900/0x900
[  856.624269]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  856.629383]  ? pvclock_read_flags+0x160/0x160
[  856.633896]  ? lapic_next_event+0x5a/0x90
[  856.638060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.643605]  ? kvm_clock_read+0x18/0x30
[  856.647578]  ? kvm_sched_clock_read+0x9/0x20
[  856.651994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.657546]  ? check_preemption_disabled+0x48/0x280
[  856.662576]  irq_exit+0x17f/0x1c0
[  856.666036]  smp_apic_timer_interrupt+0x1cb/0x760
[  856.670880]  ? smp_reschedule_interrupt+0x109/0x650
[  856.675901]  ? smp_call_function_single_interrupt+0x650/0x650
[  856.681789]  ? interrupt_entry+0xb5/0xc0
[  856.685869]  ? trace_hardirqs_off_caller+0xbb/0x310
[  856.690903]  ? trace_hardirqs_off_caller+0xbb/0x310
[  856.695932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.700781]  ? trace_hardirqs_on_caller+0x310/0x310
[  856.705811]  ? trace_hardirqs_on_caller+0x310/0x310
[  856.710830]  ? task_prio+0x50/0x50
[  856.714371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.719919]  ? check_preemption_disabled+0x48/0x280
[  856.725442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.730296]  apic_timer_interrupt+0xf/0x20
[  856.734540]  </IRQ>
[  856.736776] RIP: 0010:dump_stack+0x358/0x39d
[  856.741187] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  856.760082] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  856.767798] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  856.775062] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  856.782336] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  856.789601] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  856.796864] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  856.804159]  ? dump_stack+0x34f/0x39d
[  856.807972]  ? dump_stack_print_info.cold.1+0x20/0x20
[  856.813166]  ? mark_held_locks+0x130/0x130
[  856.817408]  ? mark_held_locks+0x130/0x130
[  856.821654]  dump_header+0x27b/0xf72
[  856.825386]  ? pagefault_out_of_memory+0x197/0x197
[  856.830497]  ? __lock_acquire+0x62f/0x4c20
[  856.834738]  ? percpu_ref_get_many+0x240/0x240
[  856.839325]  ? print_usage_bug+0xc0/0xc0
[  856.843392]  ? zap_class+0x640/0x640
[  856.847141]  ? print_usage_bug+0xc0/0xc0
[  856.851212]  ? print_usage_bug+0xc0/0xc0
[  856.855278]  ? zap_class+0x640/0x640
[  856.858998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.864557]  ? find_held_lock+0x36/0x1c0
[  856.868628]  ? mark_held_locks+0xc7/0x130
[  856.872792]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  856.877903]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  856.883006]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  856.887597]  ? trace_hardirqs_on+0xbd/0x310
[  856.891917]  ? kasan_check_read+0x11/0x20
[  856.896067]  ? ___ratelimit+0x3b4/0x672
[  856.900046]  ? trace_hardirqs_off_caller+0x310/0x310
[  856.905150]  ? trace_hardirqs_on+0x310/0x310
[  856.909561]  ? lock_downgrade+0x900/0x900
[  856.913720]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  856.918825]  ? ___ratelimit+0x3b9/0x672
[  856.922817]  ? idr_get_free+0xf80/0xf80
[  856.926820]  ? find_held_lock+0x36/0x1c0
[  856.930891]  oom_kill_process.cold.27+0x10/0x903
[  856.935651]  ? zap_class+0x640/0x640
[  856.939377]  ? check_preemption_disabled+0x48/0x280
[  856.944425]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  856.949367]  ? kasan_check_read+0x11/0x20
[  856.953530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.958835]  ? oom_evaluate_task+0x540/0x540
[  856.963250]  ? find_held_lock+0x36/0x1c0
[  856.967333]  ? out_of_memory+0x974/0x1430
[  856.971484]  ? lock_downgrade+0x900/0x900
[  856.975636]  ? check_preemption_disabled+0x48/0x280
[  856.980658]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  856.985583]  ? kasan_check_read+0x11/0x20
[  856.989729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.995012]  ? rcu_softirq_qs+0x20/0x20
[  856.999003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.004564]  ? oom_evaluate_task+0x302/0x540
[  857.008971]  out_of_memory+0xa84/0x1430
[  857.012949]  ? oom_killer_disable+0x3a0/0x3a0
[  857.017447]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  857.022377]  ? __ww_mutex_check_waiters+0x160/0x160
[  857.027429]  __alloc_pages_slowpath+0x2354/0x2e10
[  857.032301]  ? warn_alloc+0x120/0x120
[  857.036097]  ? mark_held_locks+0x130/0x130
[  857.040370]  ? find_get_entry+0xaae/0x1120
[  857.044660]  ? filemap_map_pages+0x1a20/0x1a20
[  857.049253]  ? zap_class+0x640/0x640
[  857.052972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.058523]  ? check_preemption_disabled+0x48/0x280
[  857.063553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.069091]  ? should_fail+0x22d/0xd01
[  857.072980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.078083]  ? zap_class+0x640/0x640
[  857.081822]  ? __lock_is_held+0xb5/0x140
[  857.085918]  ? mark_held_locks+0x130/0x130
[  857.090153]  ? lock_release+0xa00/0xa00
[  857.094124]  ? perf_trace_sched_process_exec+0x860/0x860
[  857.099572]  ? xa_load+0x2ba/0x460
[  857.103114]  ? lock_downgrade+0x900/0x900
[  857.107272]  ? __might_sleep+0x95/0x190
[  857.111243]  __alloc_pages_nodemask+0xa80/0xde0
[  857.115922]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  857.120939]  ? __page_cache_alloc+0x191/0x5c0
[  857.125442]  ? xa_load+0x2e1/0x460
[  857.128986]  ? xa_clear_mark+0x40/0x40
[  857.132878]  ? zap_class+0x640/0x640
[  857.136604]  ? zap_class+0x640/0x640
[  857.140347]  ? zap_class+0x640/0x640
[  857.144059]  ? __do_page_cache_readahead+0x663/0x810
[  857.149165]  ? find_held_lock+0x36/0x1c0
[  857.153236]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  857.158777]  alloc_pages_current+0x173/0x350
[  857.163197]  __page_cache_alloc+0x38c/0x5c0
[  857.167532]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  857.172464]  ? kasan_check_read+0x11/0x20
[  857.176618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  857.181920]  ? generic_perform_write+0x6a0/0x6a0
[  857.186679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.192222]  ? check_preemption_disabled+0x48/0x280
[  857.197247]  filemap_fault+0x1595/0x25f0
[  857.201321]  ? __lock_page_or_retry+0xa00/0xa00
[  857.205993]  ? mark_held_locks+0x130/0x130
[  857.210239]  ? filemap_map_pages+0xd6b/0x1a20
[  857.214741]  ? lock_downgrade+0x900/0x900
[  857.218893]  ? check_preemption_disabled+0x48/0x280
[  857.223921]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  857.228852]  ? kasan_check_read+0x11/0x20
[  857.233002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  857.238285]  ? rcu_softirq_qs+0x20/0x20
[  857.242285]  ? filemap_map_pages+0xd92/0x1a20
[  857.246794]  ? find_get_entries_tag+0x1400/0x1400
[  857.251642]  ? debug_object_destroy+0x2b0/0x2b0
[  857.256315]  ? lock_pi_update_atomic+0x150/0x150
[  857.261069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.266617]  ? lock_acquire+0x1ed/0x520
[  857.270592]  ? ext4_filemap_fault+0x7a/0xad
[  857.274940]  ? lock_release+0xa00/0xa00
[  857.278936]  ? perf_trace_sched_process_exec+0x860/0x860
[  857.284390]  ? print_usage_bug+0xc0/0xc0
[  857.288469]  ? print_usage_bug+0xc0/0xc0
[  857.292547]  ? down_read+0x8d/0x120
[  857.296188]  ? ext4_filemap_fault+0x7a/0xad
[  857.300514]  ? __down_interruptible+0x700/0x700
[  857.305194]  ext4_filemap_fault+0x82/0xad
[  857.309351]  __do_fault+0x100/0x6b0
[  857.312978]  ? find_held_lock+0x36/0x1c0
[  857.317051]  ? pmd_devmap_trans_unstable+0x220/0x220
[  857.322162]  ? mark_held_locks+0x130/0x130
[  857.326411]  ? mark_held_locks+0x130/0x130
[  857.330668]  ? _raw_spin_unlock_irq+0x27/0x80
[  857.335173]  ? _raw_spin_unlock_irq+0x27/0x80
[  857.339675]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  857.344261]  ? kasan_check_read+0x11/0x20
[  857.348430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.353973]  __handle_mm_fault+0x3ea6/0x5be0
[  857.358396]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  857.363272]  ? finish_task_switch+0x1f4/0x910
[  857.367767]  ? finish_task_switch+0x1b4/0x910
[  857.372274]  ? __switch_to_asm+0x34/0x70
[  857.376344]  ? preempt_notifier_register+0x200/0x200
[  857.381461]  ? __switch_to_asm+0x34/0x70
[  857.385531]  ? __switch_to_asm+0x34/0x70
[  857.389620]  ? zap_class+0x640/0x640
[  857.393332]  ? zap_class+0x640/0x640
[  857.397041]  ? __x64_sys_futex+0x53e/0x6a0
[  857.401278]  ? find_held_lock+0x36/0x1c0
[  857.405348]  ? handle_mm_fault+0x42a/0xc70
[  857.409594]  ? lock_downgrade+0x900/0x900
[  857.413758]  ? check_preemption_disabled+0x48/0x280
[  857.418773]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  857.423755]  ? kasan_check_read+0x11/0x20
[  857.427914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  857.433192]  ? rcu_softirq_qs+0x20/0x20
[  857.437180]  ? trace_hardirqs_off_caller+0x310/0x310
[  857.442298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.447839]  ? check_preemption_disabled+0x48/0x280
[  857.452868]  handle_mm_fault+0x54f/0xc70
[  857.456932]  ? __handle_mm_fault+0x5be0/0x5be0
[  857.461520]  ? find_vma+0x34/0x190
[  857.465068]  __do_page_fault+0x5e8/0xe60
[  857.469130]  ? trace_hardirqs_off+0xb8/0x310
[  857.473548]  do_page_fault+0xf2/0x7e0
[  857.477354]  ? vmalloc_sync_all+0x30/0x30
[  857.481506]  ? error_entry+0x70/0xd0
[  857.485224]  ? trace_hardirqs_off_caller+0xbb/0x310
[  857.490238]  ? trace_hardirqs_on_caller+0xc0/0x310
[  857.495166]  ? syscall_return_slowpath+0x5e0/0x5e0
[  857.500092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  857.504931]  ? trace_hardirqs_on_caller+0x310/0x310
[  857.509958]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  857.515442]  ? prepare_exit_to_usermode+0x291/0x3b0
[  857.520485]  ? page_fault+0x8/0x30
[  857.524041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  857.528890]  ? page_fault+0x8/0x30
[  857.532442]  page_fault+0x1e/0x30
[  857.535891] RIP: 0033:0x45ddf3
[  857.539096] Code: Bad RIP value.
[  857.542487] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  857.547852] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  857.555117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  857.562395] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  857.569677] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  857.576959] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  857.584260] warn_alloc_show_mem: 1 callbacks suppressed
[  857.584272] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  857.584274] Mem-Info:
[  857.584305] active_anon:53034 inactive_anon:131 isolated_anon:0
[  857.584305]  active_file:14 inactive_file:14 isolated_file:0
[  857.584305]  unevictable:0 dirty:0 writeback:0 unstable:0
[  857.584305]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  857.584305]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  857.584305]  free:13749 free_pcp:564 free_cma:0
[  857.589651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  857.596667] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  857.599079] Call Trace:
[  857.632032] 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
[  857.641390]  <IRQ>
[  857.668801] lowmem_reserve[]: 0 2818 6321 6321
[  857.671416]  dump_stack+0x244/0x39d
[  857.697513] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  857.699662]  ? dump_stack_print_info.cold.1+0x20/0x20
[  857.704219] lowmem_reserve[]: 0 0 3503 3503
[  857.707861]  warn_alloc.cold.116+0xb7/0x1bd
[  857.735327] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  857.740514]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  857.744827] lowmem_reserve[]: 0 0 0 0
[  857.749148]  ? lock_downgrade+0x900/0x900
[  857.778187] 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
[  857.783033]  ? trace_hardirqs_off+0xb8/0x310
[  857.786808] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  857.790958]  ? trace_hardirqs_off+0xb8/0x310
[  857.804453] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  857.808878]  __alloc_pages_slowpath+0x26e8/0x2e10
[  857.824034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  857.828466]  ? warn_alloc+0x120/0x120
[  857.843861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  857.848694]  ? warn_alloc+0x120/0x120
[  857.857509] 166 total pagecache pages
[  857.861305]  ? warn_alloc+0x120/0x120
[  857.869864] 0 pages in swap cache
[  857.873654]  ? print_usage_bug+0xc0/0xc0
[  857.877447] Swap cache stats: add 0, delete 0, find 0/0
[  857.881241]  ? print_usage_bug+0xc0/0xc0
[  857.884674] Free swap  = 0kB
[  857.888735]  ? print_usage_bug+0xc0/0xc0
[  857.894079] Total swap = 0kB
[  857.898135]  ? mark_held_locks+0x130/0x130
[  857.901132] 1965979 pages RAM
[  857.905192]  ? check_preemption_disabled+0x48/0x280
[  857.908204] 0 pages HighMem/MovableOnly
[  857.912442]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  857.915519] 342858 pages reserved
[  857.915528] 0 pages cma reserved
[  857.920546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.924556] aoe: skb alloc failure
[  857.929002]  ? should_fail+0x22d/0xd01
[  857.929021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.929038]  ? __lock_acquire+0x62f/0x4c20
[  857.932503] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  857.935838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.941357] syz-fuzzer cpuset=/ mems_allowed=0
[  857.944897]  ? __lock_acquire+0x62f/0x4c20
[  857.982153]  ? should_fail+0x22d/0xd01
[  857.986057]  ? mark_held_locks+0x130/0x130
[  857.990301]  ? mark_held_locks+0x130/0x130
[  857.994547]  ? mark_held_locks+0xc7/0x130
[  857.998697]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  858.003717]  ? zap_class+0x640/0x640
[  858.007446]  ? print_usage_bug+0xc0/0xc0
[  858.011522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.017067]  ? check_preemption_disabled+0x48/0x280
[  858.022096]  ? __lock_is_held+0xb5/0x140
[  858.026167]  __alloc_pages_nodemask+0xa80/0xde0
[  858.030834]  ? zap_class+0x640/0x640
[  858.034577]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  858.039607]  ? find_held_lock+0x36/0x1c0
[  858.043695]  ? ____cache_alloc_node+0x1c7/0x1e0
[  858.048381]  ? lock_downgrade+0x900/0x900
[  858.052547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.058101]  cache_grow_begin+0xa5/0x8c0
[  858.062191]  ? do_raw_spin_unlock+0xa7/0x330
[  858.066613]  fallback_alloc+0x204/0x2e0
[  858.070600]  ____cache_alloc_node+0x1c7/0x1e0
[  858.075104]  kmem_cache_alloc_node+0xe3/0x730
[  858.079603]  ? ipv6_get_ifaddr+0x42e/0x620
[  858.083847]  __alloc_skb+0x119/0x770
[  858.087563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.092851]  ? netdev_alloc_frag+0x1f0/0x1f0
[  858.097264]  ? lock_downgrade+0x900/0x900
[  858.101432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.106984]  ? refcount_sub_and_test_checked+0x203/0x310
[  858.112438]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  858.117934]  ? addrconf_rs_timer+0x690/0x690
[  858.122356]  ndisc_alloc_skb+0x144/0x340
[  858.126427]  ndisc_send_rs+0x331/0x6e0
[  858.130336]  addrconf_rs_timer+0x314/0x690
[  858.134581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.138827]  call_timer_fn+0x272/0x920
[  858.142717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.146955]  ? process_timeout+0x40/0x40
[  858.151025]  ? __run_timers+0x7da/0xc70
[  858.155018]  ? _raw_spin_unlock_irq+0x27/0x80
[  858.159511]  ? _raw_spin_unlock_irq+0x27/0x80
[  858.164120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.168364]  ? lockdep_hardirqs_on+0x296/0x5b0
[  858.172959]  ? trace_hardirqs_on+0xbd/0x310
[  858.177281]  ? kasan_check_read+0x11/0x20
[  858.181446]  ? __run_timers+0x7da/0xc70
[  858.185432]  ? trace_hardirqs_off_caller+0x310/0x310
[  858.190555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.194791]  __run_timers+0x7e5/0xc70
[  858.198614]  ? timer_fixup_init+0x70/0x70
[  858.202801]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  858.207822]  ? zap_class+0x640/0x640
[  858.211544]  ? enqueue_hrtimer+0x1a5/0x560
[  858.215795]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  858.221002]  ? find_held_lock+0x36/0x1c0
[  858.225068]  ? zap_class+0x640/0x640
[  858.228787]  ? pvclock_read_flags+0x160/0x160
[  858.233283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.238819]  ? check_preemption_disabled+0x48/0x280
[  858.243844]  ? __lock_is_held+0xb5/0x140
[  858.247905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.253450]  ? check_preemption_disabled+0x48/0x280
[  858.258476]  run_timer_softirq+0x52/0xb0
[  858.262546]  ? rcu_read_lock_sched_held+0x14f/0x180
[  858.267572]  __do_softirq+0x308/0xb7e
[  858.271382]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  858.275901]  ? lock_downgrade+0x900/0x900
[  858.280055]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  858.285180]  ? pvclock_read_flags+0x160/0x160
[  858.289677]  ? lapic_next_event+0x5a/0x90
[  858.293830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.299374]  ? kvm_clock_read+0x18/0x30
[  858.303362]  ? kvm_sched_clock_read+0x9/0x20
[  858.307778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.313319]  ? check_preemption_disabled+0x48/0x280
[  858.318350]  irq_exit+0x17f/0x1c0
[  858.321806]  smp_apic_timer_interrupt+0x1cb/0x760
[  858.326653]  ? smp_reschedule_interrupt+0x109/0x650
[  858.331699]  ? smp_call_function_single_interrupt+0x650/0x650
[  858.337581]  ? interrupt_entry+0xb5/0xc0
[  858.341646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  858.346660]  ? trace_hardirqs_off_caller+0xbb/0x310
[  858.351691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  858.356535]  ? trace_hardirqs_on_caller+0x310/0x310
[  858.361550]  ? trace_hardirqs_on_caller+0x310/0x310
[  858.366565]  ? task_prio+0x50/0x50
[  858.370105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.375641]  ? check_preemption_disabled+0x48/0x280
[  858.380664]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  858.385521]  apic_timer_interrupt+0xf/0x20
[  858.389748]  </IRQ>
[  858.391990] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  858.397885] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  858.416785] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  858.424492] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  858.431761] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  858.439065] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  858.446328] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  858.453611] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  858.460907]  ? save_stack+0xa9/0xd0
[  858.464547]  __kmalloc_node_track_caller+0x3c/0x70
[  858.469487]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  858.474259]  pskb_expand_head+0x230/0x10f0
[  858.478507]  ? check_preemption_disabled+0x48/0x280
[  858.483519]  ? memcpy+0x45/0x50
[  858.486796]  ? __copy_skb_header+0x350/0x6b0
[  858.491213]  ? skb_release_data+0x880/0x880
[  858.495543]  ? __alloc_skb+0x770/0x770
[  858.499443]  ? __lock_is_held+0xb5/0x140
[  858.503508]  ? kasan_check_write+0x14/0x20
[  858.507737]  ? __skb_clone+0x6c7/0xa00
[  858.511627]  ? __copy_skb_header+0x6b0/0x6b0
[  858.516036]  ? kmem_cache_alloc+0x33a/0x730
[  858.520371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.525934]  skb_ensure_writable+0x3dd/0x640
[  858.530347]  ? skb_checksum_setup+0xaa0/0xaa0
[  858.534843]  ? preempt_notifier_register+0x200/0x200
[  858.539960]  ? __switch_to_asm+0x34/0x70
[  858.544018]  ? __switch_to_asm+0x34/0x70
[  858.548085]  ? __switch_to_asm+0x40/0x70
[  858.552169]  ? __switch_to_asm+0x34/0x70
[  858.556259]  ? __switch_to_asm+0x40/0x70
[  858.560317]  ? __switch_to_asm+0x40/0x70
[  858.564377]  ? __switch_to_asm+0x34/0x70
[  858.568446]  ? __switch_to_asm+0x34/0x70
[  858.572504]  ? __switch_to_asm+0x40/0x70
[  858.576563]  ? __switch_to_asm+0x34/0x70
[  858.580629]  bpf_clone_redirect+0x14a/0x490
[  858.584954]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  858.589979]  ? __sched_text_start+0x8/0x8
[  858.594121]  ? retint_kernel+0x2d/0x2d
[  858.598026]  ? find_held_lock+0x36/0x1c0
[  858.602093]  ? lock_acquire+0x1ed/0x520
[  858.606069]  ? bpf_test_run+0x3cb/0x780
[  858.610041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.615588]  ? check_preemption_disabled+0x48/0x280
[  858.620608]  ? kasan_check_read+0x11/0x20
[  858.624757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.630031]  ? rcu_softirq_qs+0x20/0x20
[  858.634007]  ? preempt_schedule+0x4d/0x60
[  858.638154]  ? ___preempt_schedule+0x16/0x18
[  858.642566]  ? bpf_test_run+0x25d/0x780
[  858.646545]  ? netlink_diag_dump+0x2a0/0x2a0
[  858.650957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.656488]  ? bpf_test_init.isra.10+0x70/0x100
[  858.661173]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  858.665942]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  858.670798]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  858.676333]  ? fput+0x130/0x1a0
[  858.679612]  ? __bpf_prog_get+0x9b/0x290
[  858.683677]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  858.688519]  ? bpf_prog_test_run+0x130/0x1a0
[  858.692938]  ? __x64_sys_bpf+0x3d8/0x520
[  858.697001]  ? bpf_prog_get+0x20/0x20
[  858.700825]  ? do_syscall_64+0x1b9/0x820
[  858.704919]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  858.710289]  ? syscall_return_slowpath+0x5e0/0x5e0
[  858.715222]  ? trace_hardirqs_on_caller+0x310/0x310
[  858.720239]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  858.725440]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  858.732110]  ? __switch_to_asm+0x40/0x70
[  858.736169]  ? __switch_to_asm+0x34/0x70
[  858.740233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  858.745081]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  858.750463] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  858.750535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  858.757128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  858.757136] Call Trace:
[  858.763801] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  858.772950]  <IRQ>
[  858.772966]  dump_stack+0x244/0x39d
[  858.772984]  ? dump_stack_print_info.cold.1+0x20/0x20
[  858.773011]  warn_alloc.cold.116+0xb7/0x1bd
[  858.775906] syz-executor0 cpuset=syz0 mems_allowed=0
[  858.786385]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  858.786420]  ? lock_downgrade+0x900/0x900
[  858.815910]  ? trace_hardirqs_off+0xb8/0x310
[  858.820326]  ? trace_hardirqs_off+0xb8/0x310
[  858.824743]  __alloc_pages_slowpath+0x26e8/0x2e10
[  858.829633]  ? warn_alloc+0x120/0x120
[  858.833470]  ? warn_alloc+0x120/0x120
[  858.837285]  ? __lock_acquire+0x62f/0x4c20
[  858.841533]  ? warn_alloc+0x120/0x120
[  858.845333]  ? print_usage_bug+0xc0/0xc0
[  858.849395]  ? print_usage_bug+0xc0/0xc0
[  858.853478]  ? mark_held_locks+0x130/0x130
[  858.857718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.863256]  ? should_fail+0x22d/0xd01
[  858.867141]  ? zap_class+0x640/0x640
[  858.870859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  858.875965]  ? __lock_acquire+0x62f/0x4c20
[  858.880201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  858.885305]  ? should_fail+0x22d/0xd01
[  858.889203]  ? mark_held_locks+0x130/0x130
[  858.893446]  ? mark_held_locks+0x130/0x130
[  858.897694]  ? lock_downgrade+0x900/0x900
[  858.901845]  ? zap_class+0x640/0x640
[  858.905561]  ? zap_class+0x640/0x640
[  858.909276]  ? zap_class+0x640/0x640
[  858.912986]  ? do_raw_spin_unlock+0xa7/0x330
[  858.917393]  ? trace_hardirqs_on+0x310/0x310
[  858.921832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.927369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.932912]  ? check_preemption_disabled+0x48/0x280
[  858.937936]  ? __lock_is_held+0xb5/0x140
[  858.942005]  __alloc_pages_nodemask+0xa80/0xde0
[  858.946688]  ? zap_class+0x640/0x640
[  858.950444]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  858.955473]  ? find_held_lock+0x36/0x1c0
[  858.959546]  ? ____cache_alloc_node+0x1c7/0x1e0
[  858.964242]  ? lock_downgrade+0x900/0x900
[  858.968408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.973962]  cache_grow_begin+0xa5/0x8c0
[  858.978021]  ? do_raw_spin_unlock+0xa7/0x330
[  858.982447]  fallback_alloc+0x204/0x2e0
[  858.986446]  ____cache_alloc_node+0x1c7/0x1e0
[  858.990972]  kmem_cache_alloc_node+0xe3/0x730
[  858.995470]  ? lockdep_hardirqs_on+0x296/0x5b0
[  859.000065]  __alloc_skb+0x119/0x770
[  859.003777]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  859.009159]  ? netdev_alloc_frag+0x1f0/0x1f0
[  859.013589]  ? vprintk_default+0x28/0x30
[  859.017661]  ? vprintk_func+0x85/0x181
[  859.021554]  ? printk+0xa7/0xcf
[  859.024841]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  859.029637]  new_skb+0x26/0x1c0
[  859.032916]  aoecmd_cfg+0x279/0x7f0
[  859.036572]  ? find_held_lock+0x36/0x1c0
[  859.040640]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  859.044972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.050521]  ? __lock_is_held+0xb5/0x140
[  859.054686]  discover_timer+0x50/0x60
[  859.058492]  call_timer_fn+0x272/0x920
[  859.062380]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  859.067235]  ? process_timeout+0x40/0x40
[  859.071311]  ? mark_held_locks+0xc7/0x130
[  859.075504]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.080001]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.084493]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  859.089339]  ? lockdep_hardirqs_on+0x296/0x5b0
[  859.093922]  ? trace_hardirqs_on+0xbd/0x310
[  859.098267]  ? kasan_check_read+0x11/0x20
[  859.102427]  ? __run_timers+0x7da/0xc70
[  859.106420]  ? trace_hardirqs_off_caller+0x310/0x310
[  859.111544]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  859.116390]  __run_timers+0x7e5/0xc70
[  859.120216]  ? timer_fixup_init+0x70/0x70
[  859.124368]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  859.129391]  ? zap_class+0x640/0x640
[  859.133159]  ? print_usage_bug+0xc0/0xc0
[  859.137223]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  859.142444]  ? find_held_lock+0x36/0x1c0
[  859.146516]  ? zap_class+0x640/0x640
[  859.150236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.155777]  ? check_preemption_disabled+0x48/0x280
[  859.160805]  ? __lock_is_held+0xb5/0x140
[  859.164872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.170426]  ? check_preemption_disabled+0x48/0x280
[  859.175475]  run_timer_softirq+0x52/0xb0
[  859.179539]  ? rcu_read_lock_sched_held+0x14f/0x180
[  859.184555]  __do_softirq+0x308/0xb7e
[  859.188359]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  859.192867]  ? lock_downgrade+0x900/0x900
[  859.197018]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  859.202132]  ? pvclock_read_flags+0x160/0x160
[  859.206633]  ? lapic_next_event+0x5a/0x90
[  859.210798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.216345]  ? kvm_clock_read+0x18/0x30
[  859.220333]  ? kvm_sched_clock_read+0x9/0x20
[  859.224767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.230307]  ? check_preemption_disabled+0x48/0x280
[  859.235337]  irq_exit+0x17f/0x1c0
[  859.238796]  smp_apic_timer_interrupt+0x1cb/0x760
[  859.243644]  ? smp_reschedule_interrupt+0x109/0x650
[  859.248679]  ? smp_call_function_single_interrupt+0x650/0x650
[  859.254577]  ? interrupt_entry+0xb5/0xc0
[  859.258661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  859.263711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  859.268730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  859.273577]  ? trace_hardirqs_on_caller+0x310/0x310
[  859.278597]  ? trace_hardirqs_on_caller+0x310/0x310
[  859.283627]  ? task_prio+0x50/0x50
[  859.287174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.292712]  ? check_preemption_disabled+0x48/0x280
[  859.297739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  859.302598]  apic_timer_interrupt+0xf/0x20
[  859.306831]  </IRQ>
[  859.309069] RIP: 0010:dump_stack+0x358/0x39d
[  859.313482] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  859.332380] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  859.340098] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  859.347363] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  859.354628] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  859.361895] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  859.369169] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  859.376455]  ? dump_stack+0x34f/0x39d
[  859.380271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  859.385468]  ? mark_held_locks+0x130/0x130
[  859.389705]  ? mark_held_locks+0x130/0x130
[  859.393944]  dump_header+0x27b/0xf72
[  859.397701]  ? pagefault_out_of_memory+0x197/0x197
[  859.402640]  ? __lock_acquire+0x62f/0x4c20
[  859.406877]  ? percpu_ref_get_many+0x240/0x240
[  859.411461]  ? print_usage_bug+0xc0/0xc0
[  859.415539]  ? zap_class+0x640/0x640
[  859.419265]  ? print_usage_bug+0xc0/0xc0
[  859.423324]  ? print_usage_bug+0xc0/0xc0
[  859.427438]  ? zap_class+0x640/0x640
[  859.431159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.436701]  ? find_held_lock+0x36/0x1c0
[  859.440768]  ? mark_held_locks+0xc7/0x130
[  859.444921]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  859.450024]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  859.455130]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  859.459716]  ? trace_hardirqs_on+0xbd/0x310
[  859.464040]  ? kasan_check_read+0x11/0x20
[  859.468205]  ? ___ratelimit+0x3b4/0x672
[  859.472184]  ? trace_hardirqs_off_caller+0x310/0x310
[  859.477286]  ? trace_hardirqs_on+0x310/0x310
[  859.481691]  ? lock_downgrade+0x900/0x900
[  859.485868]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  859.491012]  ? ___ratelimit+0x3b9/0x672
[  859.494990]  ? idr_get_free+0xf80/0xf80
[  859.498961]  ? find_held_lock+0x36/0x1c0
[  859.503031]  oom_kill_process.cold.27+0x10/0x903
[  859.507788]  ? zap_class+0x640/0x640
[  859.511504]  ? check_preemption_disabled+0x48/0x280
[  859.516524]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  859.521458]  ? kasan_check_read+0x11/0x20
[  859.525609]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  859.530890]  ? oom_evaluate_task+0x540/0x540
[  859.535302]  ? find_held_lock+0x36/0x1c0
[  859.539371]  ? out_of_memory+0x974/0x1430
[  859.543536]  ? lock_downgrade+0x900/0x900
[  859.547686]  ? check_preemption_disabled+0x48/0x280
[  859.552705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  859.557636]  ? kasan_check_read+0x11/0x20
[  859.561785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  859.567062]  ? rcu_softirq_qs+0x20/0x20
[  859.571037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.576582]  ? oom_evaluate_task+0x302/0x540
[  859.580998]  out_of_memory+0xa84/0x1430
[  859.584986]  ? oom_killer_disable+0x3a0/0x3a0
[  859.589495]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  859.594439]  ? __ww_mutex_check_waiters+0x160/0x160
[  859.599472]  __alloc_pages_slowpath+0x2354/0x2e10
[  859.604362]  ? warn_alloc+0x120/0x120
[  859.608165]  ? mark_held_locks+0x130/0x130
[  859.612444]  ? find_get_entry+0xaae/0x1120
[  859.616687]  ? filemap_map_pages+0x1a20/0x1a20
[  859.621275]  ? zap_class+0x640/0x640
[  859.624996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.630535]  ? check_preemption_disabled+0x48/0x280
[  859.635552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.641091]  ? should_fail+0x22d/0xd01
[  859.644980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  859.650088]  ? zap_class+0x640/0x640
[  859.653834]  ? __lock_is_held+0xb5/0x140
[  859.657919]  ? mark_held_locks+0x130/0x130
[  859.662161]  ? lock_release+0xa00/0xa00
[  859.666137]  ? perf_trace_sched_process_exec+0x860/0x860
[  859.671591]  ? xa_load+0x2ba/0x460
[  859.675136]  ? lock_downgrade+0x900/0x900
[  859.679294]  ? __might_sleep+0x95/0x190
[  859.683281]  __alloc_pages_nodemask+0xa80/0xde0
[  859.687964]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  859.692982]  ? __page_cache_alloc+0x191/0x5c0
[  859.697476]  ? xa_load+0x2e1/0x460
[  859.701021]  ? xa_clear_mark+0x40/0x40
[  859.704916]  ? zap_class+0x640/0x640
[  859.708641]  ? zap_class+0x640/0x640
[  859.712354]  ? zap_class+0x640/0x640
[  859.716071]  ? __do_page_cache_readahead+0x663/0x810
[  859.721185]  ? find_held_lock+0x36/0x1c0
[  859.725253]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  859.730799]  alloc_pages_current+0x173/0x350
[  859.735217]  __page_cache_alloc+0x38c/0x5c0
[  859.739537]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  859.744470]  ? kasan_check_read+0x11/0x20
[  859.748616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  859.753900]  ? generic_perform_write+0x6a0/0x6a0
[  859.758663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.764203]  ? check_preemption_disabled+0x48/0x280
[  859.769231]  filemap_fault+0x1595/0x25f0
[  859.773309]  ? __lock_page_or_retry+0xa00/0xa00
[  859.777986]  ? mark_held_locks+0x130/0x130
[  859.782239]  ? filemap_map_pages+0xd6b/0x1a20
[  859.786736]  ? lock_downgrade+0x900/0x900
[  859.790884]  ? check_preemption_disabled+0x48/0x280
[  859.795905]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  859.800839]  ? kasan_check_read+0x11/0x20
[  859.804990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  859.810266]  ? rcu_softirq_qs+0x20/0x20
[  859.814260]  ? filemap_map_pages+0xd92/0x1a20
[  859.818770]  ? find_get_entries_tag+0x1400/0x1400
[  859.823615]  ? debug_object_destroy+0x2b0/0x2b0
[  859.828314]  ? lock_pi_update_atomic+0x150/0x150
[  859.833073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.838628]  ? lock_acquire+0x1ed/0x520
[  859.842606]  ? ext4_filemap_fault+0x7a/0xad
[  859.846936]  ? lock_release+0xa00/0xa00
[  859.850928]  ? perf_trace_sched_process_exec+0x860/0x860
[  859.856433]  ? print_usage_bug+0xc0/0xc0
[  859.860499]  ? print_usage_bug+0xc0/0xc0
[  859.864570]  ? down_read+0x8d/0x120
[  859.868228]  ? ext4_filemap_fault+0x7a/0xad
[  859.872561]  ? __down_interruptible+0x700/0x700
[  859.877241]  ext4_filemap_fault+0x82/0xad
[  859.881418]  __do_fault+0x100/0x6b0
[  859.885045]  ? find_held_lock+0x36/0x1c0
[  859.889107]  ? pmd_devmap_trans_unstable+0x220/0x220
[  859.894237]  ? mark_held_locks+0x130/0x130
[  859.898476]  ? mark_held_locks+0x130/0x130
[  859.902711]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.907209]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.911709]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  859.916295]  ? kasan_check_read+0x11/0x20
[  859.920459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.926003]  __handle_mm_fault+0x3ea6/0x5be0
[  859.930435]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  859.935286]  ? finish_task_switch+0x1f4/0x910
[  859.939782]  ? finish_task_switch+0x1b4/0x910
[  859.944278]  ? __switch_to_asm+0x34/0x70
[  859.948344]  ? preempt_notifier_register+0x200/0x200
[  859.953461]  ? __switch_to_asm+0x34/0x70
[  859.957524]  ? __switch_to_asm+0x34/0x70
[  859.961604]  ? zap_class+0x640/0x640
[  859.965323]  ? zap_class+0x640/0x640
[  859.969035]  ? __x64_sys_futex+0x53e/0x6a0
[  859.973284]  ? find_held_lock+0x36/0x1c0
[  859.977360]  ? handle_mm_fault+0x42a/0xc70
[  859.981598]  ? lock_downgrade+0x900/0x900
[  859.985760]  ? check_preemption_disabled+0x48/0x280
[  859.990785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  859.995717]  ? kasan_check_read+0x11/0x20
[  859.999876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  860.005147]  ? rcu_softirq_qs+0x20/0x20
[  860.009134]  ? trace_hardirqs_off_caller+0x310/0x310
[  860.014244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  860.019780]  ? check_preemption_disabled+0x48/0x280
[  860.024893]  handle_mm_fault+0x54f/0xc70
[  860.028959]  ? __handle_mm_fault+0x5be0/0x5be0
[  860.033542]  ? find_vma+0x34/0x190
[  860.037088]  __do_page_fault+0x5e8/0xe60
[  860.041164]  ? trace_hardirqs_off+0xb8/0x310
[  860.045583]  do_page_fault+0xf2/0x7e0
[  860.049387]  ? vmalloc_sync_all+0x30/0x30
[  860.053555]  ? error_entry+0x70/0xd0
[  860.057271]  ? trace_hardirqs_off_caller+0xbb/0x310
[  860.062287]  ? trace_hardirqs_on_caller+0xc0/0x310
[  860.067216]  ? syscall_return_slowpath+0x5e0/0x5e0
[  860.072147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  860.076989]  ? trace_hardirqs_on_caller+0x310/0x310
[  860.082006]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  860.087466]  ? prepare_exit_to_usermode+0x291/0x3b0
[  860.092482]  ? page_fault+0x8/0x30
[  860.096040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  860.100886]  ? page_fault+0x8/0x30
[  860.104438]  page_fault+0x1e/0x30
[  860.107894] RIP: 0033:0x45ddf3
[  860.111102] Code: Bad RIP value.
[  860.114467] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  860.119826] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  860.127104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  860.134376] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  860.141670] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  860.148934] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  860.156237] warn_alloc_show_mem: 1 callbacks suppressed
[  860.156249] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  860.156251] Mem-Info:
[  860.156281] active_anon:53034 inactive_anon:131 isolated_anon:0
[  860.156281]  active_file:14 inactive_file:14 isolated_file:0
[  860.156281]  unevictable:0 dirty:0 writeback:0 unstable:0
[  860.156281]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  860.156281]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  860.156281]  free:13749 free_pcp:564 free_cma:0
[  860.161626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  860.168644] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  860.171042] Call Trace:
[  860.203995] 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
[  860.213338]  <IRQ>
[  860.240758] lowmem_reserve[]: 0 2818 6321 6321
[  860.243351]  dump_stack+0x244/0x39d
[  860.269443] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  860.271596]  ? dump_stack_print_info.cold.1+0x20/0x20
[  860.276153] lowmem_reserve[]: 0 0 3503 3503
[  860.279783]  warn_alloc.cold.116+0xb7/0x1bd
[  860.307249] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  860.312442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  860.316750] lowmem_reserve[]: 0 0 0 0
[  860.321070]  ? lock_downgrade+0x900/0x900
[  860.350104] 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
[  860.354950]  ? trace_hardirqs_off+0xb8/0x310
[  860.358728] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  860.362874]  ? trace_hardirqs_off+0xb8/0x310
[  860.376368] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  860.380774]  __alloc_pages_slowpath+0x26e8/0x2e10
[  860.395922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  860.395935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  860.400380]  ? warn_alloc+0x120/0x120
[  860.415781] 166 total pagecache pages
[  860.420628]  ? __lock_is_held+0xb5/0x140
[  860.429448] 0 pages in swap cache
[  860.438009]  ? warn_alloc+0x120/0x120
[  860.441788] Swap cache stats: add 0, delete 0, find 0/0
[  860.445582]  ? warn_alloc+0x120/0x120
[  860.449618] Free swap  = 0kB
[  860.453062]  ? print_usage_bug+0xc0/0xc0
[  860.456843] Total swap = 0kB
[  860.462199]  ? print_usage_bug+0xc0/0xc0
[  860.465978] 1965979 pages RAM
[  860.468992]  ? find_held_lock+0x36/0x1c0
[  860.473029] 0 pages HighMem/MovableOnly
[  860.476042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  860.480077] 342858 pages reserved
[  860.483178]  ? should_fail+0x22d/0xd01
[  860.487213] 0 pages cma reserved
[  860.491177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  860.496755] aoe: skb alloc failure
[  860.500134]  ? __lock_acquire+0x62f/0x4c20
[  860.500163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  860.500190]  ? should_fail+0x22d/0xd01
[  860.504086] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  860.507431]  ? print_usage_bug+0xc0/0xc0
[  860.512514] syz-fuzzer cpuset=/ mems_allowed=0
[  860.516048]  ? mark_held_locks+0x130/0x130
[  860.552238]  ? mark_held_locks+0x130/0x130
[  860.556478]  ? kvm_clock_read+0x18/0x30
[  860.560449]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  860.565474]  ? __lock_acquire+0x62f/0x4c20
[  860.569710]  ? zap_class+0x640/0x640
[  860.573435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.578972]  ? check_preemption_disabled+0x48/0x280
[  860.584004]  ? __lock_is_held+0xb5/0x140
[  860.588076]  __alloc_pages_nodemask+0xa80/0xde0
[  860.592739]  ? zap_class+0x640/0x640
[  860.596504]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  860.601528]  ? find_held_lock+0x36/0x1c0
[  860.605594]  ? ____cache_alloc_node+0x1c7/0x1e0
[  860.610258]  ? lock_downgrade+0x900/0x900
[  860.614412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.619956]  cache_grow_begin+0xa5/0x8c0
[  860.624016]  ? do_raw_spin_unlock+0xa7/0x330
[  860.628433]  fallback_alloc+0x204/0x2e0
[  860.632419]  ____cache_alloc_node+0x1c7/0x1e0
[  860.636924]  kmem_cache_alloc_node+0xe3/0x730
[  860.641436]  __alloc_skb+0x119/0x770
[  860.645186]  ? netdev_alloc_frag+0x1f0/0x1f0
[  860.649603]  ? mark_held_locks+0x130/0x130
[  860.653861]  ? __lock_acquire+0x62f/0x4c20
[  860.658124]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  860.663518]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  860.668545]  __br_mdb_notify+0x4ff/0x15d0
[  860.672704]  ? __br_mdb_add+0x7f0/0x7f0
[  860.676692]  ? zap_class+0x640/0x640
[  860.680430]  ? lock_acquire+0x1ed/0x520
[  860.684421]  ? br_multicast_group_expired+0x96/0x610
[  860.689525]  ? estimation_timer+0x5d0/0x890
[  860.693849]  br_mdb_notify+0x310/0x410
[  860.697744]  ? br_mdb_dump+0x27b0/0x27b0
[  860.701827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.707370]  br_multicast_group_expired+0x1bc/0x610
[  860.712406]  ? br_mdb_free+0x80/0x80
[  860.716132]  call_timer_fn+0x272/0x920
[  860.720023]  ? br_mdb_free+0x80/0x80
[  860.723875]  ? process_timeout+0x40/0x40
[  860.727951]  ? __run_timers+0x7da/0xc70
[  860.731934]  ? _raw_spin_unlock_irq+0x27/0x80
[  860.736434]  ? _raw_spin_unlock_irq+0x27/0x80
[  860.740934]  ? br_mdb_free+0x80/0x80
[  860.744651]  ? lockdep_hardirqs_on+0x296/0x5b0
[  860.749234]  ? trace_hardirqs_on+0xbd/0x310
[  860.753556]  ? kasan_check_read+0x11/0x20
[  860.757714]  ? __run_timers+0x7da/0xc70
[  860.761701]  ? trace_hardirqs_off_caller+0x310/0x310
[  860.766822]  ? br_mdb_free+0x80/0x80
[  860.770548]  __run_timers+0x7e5/0xc70
[  860.774365]  ? timer_fixup_init+0x70/0x70
[  860.778528]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  860.783548]  ? zap_class+0x640/0x640
[  860.787267]  ? enqueue_hrtimer+0x1a5/0x560
[  860.791508]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  860.796706]  ? find_held_lock+0x36/0x1c0
[  860.800802]  ? zap_class+0x640/0x640
[  860.804524]  ? pvclock_read_flags+0x160/0x160
[  860.809022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.814558]  ? check_preemption_disabled+0x48/0x280
[  860.819582]  ? __lock_is_held+0xb5/0x140
[  860.823648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.829193]  ? check_preemption_disabled+0x48/0x280
[  860.834679]  run_timer_softirq+0x52/0xb0
[  860.838763]  ? rcu_read_lock_sched_held+0x14f/0x180
[  860.843788]  __do_softirq+0x308/0xb7e
[  860.847599]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  860.852095]  ? lock_downgrade+0x900/0x900
[  860.856259]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  860.861369]  ? pvclock_read_flags+0x160/0x160
[  860.865878]  ? lapic_next_event+0x5a/0x90
[  860.870026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.875592]  ? kvm_clock_read+0x18/0x30
[  860.879579]  ? kvm_sched_clock_read+0x9/0x20
[  860.883992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.889529]  ? check_preemption_disabled+0x48/0x280
[  860.894555]  irq_exit+0x17f/0x1c0
[  860.898011]  smp_apic_timer_interrupt+0x1cb/0x760
[  860.902853]  ? smp_reschedule_interrupt+0x109/0x650
[  860.907870]  ? smp_call_function_single_interrupt+0x650/0x650
[  860.913769]  ? interrupt_entry+0xb5/0xc0
[  860.917829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  860.922841]  ? trace_hardirqs_off_caller+0xbb/0x310
[  860.927856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  860.932698]  ? trace_hardirqs_on_caller+0x310/0x310
[  860.937718]  ? trace_hardirqs_on_caller+0x310/0x310
[  860.942734]  ? task_prio+0x50/0x50
[  860.946279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.951816]  ? check_preemption_disabled+0x48/0x280
[  860.956836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  860.961691]  apic_timer_interrupt+0xf/0x20
[  860.965927]  </IRQ>
[  860.968167] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  860.974067] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  860.992961] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  861.000671] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  861.007936] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  861.015198] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  861.022462] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  861.029723] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  861.037014]  ? save_stack+0xa9/0xd0
[  861.040652]  __kmalloc_node_track_caller+0x3c/0x70
[  861.045588]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  861.050371]  pskb_expand_head+0x230/0x10f0
[  861.054612]  ? check_preemption_disabled+0x48/0x280
[  861.059633]  ? memcpy+0x45/0x50
[  861.062920]  ? __copy_skb_header+0x350/0x6b0
[  861.067329]  ? skb_release_data+0x880/0x880
[  861.071651]  ? __alloc_skb+0x770/0x770
[  861.075545]  ? __lock_is_held+0xb5/0x140
[  861.079616]  ? kasan_check_write+0x14/0x20
[  861.083868]  ? __skb_clone+0x6c7/0xa00
[  861.087754]  ? __copy_skb_header+0x6b0/0x6b0
[  861.092185]  ? kmem_cache_alloc+0x33a/0x730
[  861.096514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.102060]  skb_ensure_writable+0x3dd/0x640
[  861.106471]  ? skb_checksum_setup+0xaa0/0xaa0
[  861.110972]  ? preempt_notifier_register+0x200/0x200
[  861.116076]  ? __switch_to_asm+0x34/0x70
[  861.120136]  ? __switch_to_asm+0x34/0x70
[  861.124198]  ? __switch_to_asm+0x40/0x70
[  861.128286]  ? __switch_to_asm+0x34/0x70
[  861.132349]  ? __switch_to_asm+0x40/0x70
[  861.136416]  ? __switch_to_asm+0x40/0x70
[  861.140484]  ? __switch_to_asm+0x34/0x70
[  861.144546]  ? __switch_to_asm+0x34/0x70
[  861.148608]  ? __switch_to_asm+0x40/0x70
[  861.152674]  ? __switch_to_asm+0x34/0x70
[  861.156745]  bpf_clone_redirect+0x14a/0x490
[  861.161077]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  861.166097]  ? __sched_text_start+0x8/0x8
[  861.170246]  ? retint_kernel+0x2d/0x2d
[  861.174157]  ? find_held_lock+0x36/0x1c0
[  861.178233]  ? lock_acquire+0x1ed/0x520
[  861.182216]  ? bpf_test_run+0x3cb/0x780
[  861.186195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.191747]  ? check_preemption_disabled+0x48/0x280
[  861.196769]  ? kasan_check_read+0x11/0x20
[  861.200924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  861.206216]  ? rcu_softirq_qs+0x20/0x20
[  861.210203]  ? preempt_schedule+0x4d/0x60
[  861.214349]  ? ___preempt_schedule+0x16/0x18
[  861.218761]  ? bpf_test_run+0x25d/0x780
[  861.222748]  ? netlink_diag_dump+0x2a0/0x2a0
[  861.227163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.232697]  ? bpf_test_init.isra.10+0x70/0x100
[  861.237371]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  861.242146]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  861.246997]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  861.252547]  ? fput+0x130/0x1a0
[  861.255829]  ? __bpf_prog_get+0x9b/0x290
[  861.259889]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  861.264736]  ? bpf_prog_test_run+0x130/0x1a0
[  861.269146]  ? __x64_sys_bpf+0x3d8/0x520
[  861.273213]  ? bpf_prog_get+0x20/0x20
[  861.277036]  ? do_syscall_64+0x1b9/0x820
[  861.281096]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  861.286474]  ? syscall_return_slowpath+0x5e0/0x5e0
[  861.291419]  ? trace_hardirqs_on_caller+0x310/0x310
[  861.296440]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  861.301468]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  861.308138]  ? __switch_to_asm+0x40/0x70
[  861.312198]  ? __switch_to_asm+0x34/0x70
[  861.316268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  861.321120]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  861.326505] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  861.326748] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  861.333176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  861.333182] Call Trace:
[  861.333187]  <IRQ>
[  861.333210]  dump_stack+0x244/0x39d
[  861.333228]  ? dump_stack_print_info.cold.1+0x20/0x20
[  861.344085] syz-executor0 cpuset=syz0 mems_allowed=0
[  861.353454]  warn_alloc.cold.116+0xb7/0x1bd
[  861.353473]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  861.353490]  ? lock_downgrade+0x900/0x900
[  861.385526]  ? trace_hardirqs_off+0xb8/0x310
[  861.389958]  ? trace_hardirqs_off+0xb8/0x310
[  861.394379]  __alloc_pages_slowpath+0x26e8/0x2e10
[  861.399294]  ? warn_alloc+0x120/0x120
[  861.403114]  ? warn_alloc+0x120/0x120
[  861.406914]  ? __lock_acquire+0x62f/0x4c20
[  861.411152]  ? warn_alloc+0x120/0x120
[  861.414959]  ? print_usage_bug+0xc0/0xc0
[  861.419027]  ? print_usage_bug+0xc0/0xc0
[  861.423092]  ? mark_held_locks+0x130/0x130
[  861.427333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.432875]  ? should_fail+0x22d/0xd01
[  861.436765]  ? zap_class+0x640/0x640
[  861.440505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  861.445624]  ? __lock_acquire+0x62f/0x4c20
[  861.449876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  861.454991]  ? should_fail+0x22d/0xd01
[  861.458945]  ? mark_held_locks+0x130/0x130
[  861.463185]  ? mark_held_locks+0x130/0x130
[  861.467429]  ? lock_downgrade+0x900/0x900
[  861.471583]  ? zap_class+0x640/0x640
[  861.475300]  ? zap_class+0x640/0x640
[  861.479031]  ? zap_class+0x640/0x640
[  861.482748]  ? do_raw_spin_unlock+0xa7/0x330
[  861.487160]  ? trace_hardirqs_on+0x310/0x310
[  861.491569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.497108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.502653]  ? check_preemption_disabled+0x48/0x280
[  861.507680]  ? __lock_is_held+0xb5/0x140
[  861.511748]  __alloc_pages_nodemask+0xa80/0xde0
[  861.516432]  ? zap_class+0x640/0x640
[  861.520170]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  861.525214]  ? find_held_lock+0x36/0x1c0
[  861.529299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  861.533968]  ? lock_downgrade+0x900/0x900
[  861.538138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.543685]  cache_grow_begin+0xa5/0x8c0
[  861.547745]  ? do_raw_spin_unlock+0xa7/0x330
[  861.552167]  fallback_alloc+0x204/0x2e0
[  861.556151]  ____cache_alloc_node+0x1c7/0x1e0
[  861.560654]  kmem_cache_alloc_node+0xe3/0x730
[  861.565152]  ? lockdep_hardirqs_on+0x296/0x5b0
[  861.569741]  __alloc_skb+0x119/0x770
[  861.573456]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  861.578824]  ? netdev_alloc_frag+0x1f0/0x1f0
[  861.583238]  ? vprintk_default+0x28/0x30
[  861.587298]  ? vprintk_func+0x85/0x181
[  861.591183]  ? printk+0xa7/0xcf
[  861.594461]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  861.599238]  new_skb+0x26/0x1c0
[  861.602516]  aoecmd_cfg+0x279/0x7f0
[  861.606153]  ? find_held_lock+0x36/0x1c0
[  861.610220]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  861.614557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.620104]  ? __lock_is_held+0xb5/0x140
[  861.624171]  discover_timer+0x50/0x60
[  861.627966]  call_timer_fn+0x272/0x920
[  861.631853]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  861.636696]  ? process_timeout+0x40/0x40
[  861.640766]  ? mark_held_locks+0xc7/0x130
[  861.644918]  ? _raw_spin_unlock_irq+0x27/0x80
[  861.649423]  ? _raw_spin_unlock_irq+0x27/0x80
[  861.653913]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  861.658752]  ? lockdep_hardirqs_on+0x296/0x5b0
[  861.663353]  ? trace_hardirqs_on+0xbd/0x310
[  861.667675]  ? kasan_check_read+0x11/0x20
[  861.671833]  ? __run_timers+0x7da/0xc70
[  861.675808]  ? trace_hardirqs_off_caller+0x310/0x310
[  861.680923]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  861.685775]  __run_timers+0x7e5/0xc70
[  861.689586]  ? timer_fixup_init+0x70/0x70
[  861.693732]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  861.698749]  ? zap_class+0x640/0x640
[  861.702493]  ? print_usage_bug+0xc0/0xc0
[  861.706554]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  861.711754]  ? find_held_lock+0x36/0x1c0
[  861.715819]  ? zap_class+0x640/0x640
[  861.719540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.725584]  ? check_preemption_disabled+0x48/0x280
[  861.730628]  ? __lock_is_held+0xb5/0x140
[  861.734694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.740279]  ? check_preemption_disabled+0x48/0x280
[  861.745302]  run_timer_softirq+0x52/0xb0
[  861.749364]  ? rcu_read_lock_sched_held+0x14f/0x180
[  861.754389]  __do_softirq+0x308/0xb7e
[  861.758204]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  861.762693]  ? lock_downgrade+0x900/0x900
[  861.766850]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  861.771963]  ? pvclock_read_flags+0x160/0x160
[  861.776458]  ? lapic_next_event+0x5a/0x90
[  861.780606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.786145]  ? kvm_clock_read+0x18/0x30
[  861.790134]  ? kvm_sched_clock_read+0x9/0x20
[  861.794548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.800097]  ? check_preemption_disabled+0x48/0x280
[  861.805120]  irq_exit+0x17f/0x1c0
[  861.808577]  smp_apic_timer_interrupt+0x1cb/0x760
[  861.813428]  ? smp_reschedule_interrupt+0x109/0x650
[  861.818476]  ? smp_call_function_single_interrupt+0x650/0x650
[  861.824370]  ? interrupt_entry+0xb5/0xc0
[  861.828447]  ? trace_hardirqs_off_caller+0xbb/0x310
[  861.833463]  ? trace_hardirqs_off_caller+0xbb/0x310
[  861.838481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  861.843325]  ? trace_hardirqs_on_caller+0x310/0x310
[  861.848342]  ? trace_hardirqs_on_caller+0x310/0x310
[  861.853360]  ? task_prio+0x50/0x50
[  861.856903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.862446]  ? check_preemption_disabled+0x48/0x280
[  861.867467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  861.872320]  apic_timer_interrupt+0xf/0x20
[  861.876548]  </IRQ>
[  861.878788] RIP: 0010:dump_stack+0x358/0x39d
[  861.883196] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  861.902095] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  861.909817] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  861.917089] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  861.924369] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  861.931640] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  861.938910] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  861.946194]  ? dump_stack+0x34f/0x39d
[  861.950010]  ? dump_stack_print_info.cold.1+0x20/0x20
[  861.955228]  ? mark_held_locks+0x130/0x130
[  861.959475]  ? mark_held_locks+0x130/0x130
[  861.963717]  dump_header+0x27b/0xf72
[  861.967451]  ? pagefault_out_of_memory+0x197/0x197
[  861.972391]  ? __lock_acquire+0x62f/0x4c20
[  861.976644]  ? percpu_ref_get_many+0x240/0x240
[  861.981228]  ? print_usage_bug+0xc0/0xc0
[  861.985295]  ? zap_class+0x640/0x640
[  861.989018]  ? print_usage_bug+0xc0/0xc0
[  861.993077]  ? print_usage_bug+0xc0/0xc0
[  861.997139]  ? zap_class+0x640/0x640
[  862.000856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.006408]  ? find_held_lock+0x36/0x1c0
[  862.010489]  ? mark_held_locks+0xc7/0x130
[  862.014643]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  862.019746]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  862.024853]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  862.029461]  ? trace_hardirqs_on+0xbd/0x310
[  862.033801]  ? kasan_check_read+0x11/0x20
[  862.037962]  ? ___ratelimit+0x3b4/0x672
[  862.041938]  ? trace_hardirqs_off_caller+0x310/0x310
[  862.047046]  ? trace_hardirqs_on+0x310/0x310
[  862.051472]  ? lock_downgrade+0x900/0x900
[  862.055628]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  862.060738]  ? ___ratelimit+0x3b9/0x672
[  862.064715]  ? idr_get_free+0xf80/0xf80
[  862.068688]  ? find_held_lock+0x36/0x1c0
[  862.072758]  oom_kill_process.cold.27+0x10/0x903
[  862.077514]  ? zap_class+0x640/0x640
[  862.081228]  ? check_preemption_disabled+0x48/0x280
[  862.086251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  862.091184]  ? kasan_check_read+0x11/0x20
[  862.095341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.100623]  ? oom_evaluate_task+0x540/0x540
[  862.105035]  ? find_held_lock+0x36/0x1c0
[  862.109105]  ? out_of_memory+0x974/0x1430
[  862.113266]  ? lock_downgrade+0x900/0x900
[  862.117451]  ? check_preemption_disabled+0x48/0x280
[  862.122474]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  862.127410]  ? kasan_check_read+0x11/0x20
[  862.131578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.136856]  ? rcu_softirq_qs+0x20/0x20
[  862.140836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.146376]  ? oom_evaluate_task+0x302/0x540
[  862.150815]  out_of_memory+0xa84/0x1430
[  862.154800]  ? oom_killer_disable+0x3a0/0x3a0
[  862.159311]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  862.164242]  ? __ww_mutex_check_waiters+0x160/0x160
[  862.169271]  __alloc_pages_slowpath+0x2354/0x2e10
[  862.174153]  ? warn_alloc+0x120/0x120
[  862.177952]  ? mark_held_locks+0x130/0x130
[  862.182196]  ? find_get_entry+0xaae/0x1120
[  862.186478]  ? filemap_map_pages+0x1a20/0x1a20
[  862.191064]  ? zap_class+0x640/0x640
[  862.194785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.200324]  ? check_preemption_disabled+0x48/0x280
[  862.205339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.210887]  ? should_fail+0x22d/0xd01
[  862.214778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  862.219886]  ? zap_class+0x640/0x640
[  862.223627]  ? __lock_is_held+0xb5/0x140
[  862.227697]  ? mark_held_locks+0x130/0x130
[  862.231938]  ? lock_release+0xa00/0xa00
[  862.235917]  ? perf_trace_sched_process_exec+0x860/0x860
[  862.241379]  ? xa_load+0x2ba/0x460
[  862.244942]  ? lock_downgrade+0x900/0x900
[  862.249090]  ? __might_sleep+0x95/0x190
[  862.253082]  __alloc_pages_nodemask+0xa80/0xde0
[  862.257784]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  862.262803]  ? __page_cache_alloc+0x191/0x5c0
[  862.267310]  ? xa_load+0x2e1/0x460
[  862.270850]  ? xa_clear_mark+0x40/0x40
[  862.274750]  ? zap_class+0x640/0x640
[  862.278486]  ? zap_class+0x640/0x640
[  862.282210]  ? zap_class+0x640/0x640
[  862.285923]  ? __do_page_cache_readahead+0x663/0x810
[  862.291030]  ? find_held_lock+0x36/0x1c0
[  862.295113]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  862.300657]  alloc_pages_current+0x173/0x350
[  862.305071]  __page_cache_alloc+0x38c/0x5c0
[  862.309391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  862.314336]  ? kasan_check_read+0x11/0x20
[  862.318482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.323777]  ? generic_perform_write+0x6a0/0x6a0
[  862.328535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.334073]  ? check_preemption_disabled+0x48/0x280
[  862.339109]  filemap_fault+0x1595/0x25f0
[  862.343186]  ? __lock_page_or_retry+0xa00/0xa00
[  862.347858]  ? mark_held_locks+0x130/0x130
[  862.352102]  ? filemap_map_pages+0xd6b/0x1a20
[  862.356603]  ? lock_downgrade+0x900/0x900
[  862.360770]  ? check_preemption_disabled+0x48/0x280
[  862.365813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  862.370739]  ? kasan_check_read+0x11/0x20
[  862.374882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.380158]  ? rcu_softirq_qs+0x20/0x20
[  862.384145]  ? filemap_map_pages+0xd92/0x1a20
[  862.388657]  ? find_get_entries_tag+0x1400/0x1400
[  862.393505]  ? debug_object_destroy+0x2b0/0x2b0
[  862.398188]  ? lock_pi_update_atomic+0x150/0x150
[  862.402943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.408492]  ? lock_acquire+0x1ed/0x520
[  862.412462]  ? ext4_filemap_fault+0x7a/0xad
[  862.416785]  ? lock_release+0xa00/0xa00
[  862.420756]  ? perf_trace_sched_process_exec+0x860/0x860
[  862.426204]  ? print_usage_bug+0xc0/0xc0
[  862.430279]  ? print_usage_bug+0xc0/0xc0
[  862.434361]  ? down_read+0x8d/0x120
[  862.437983]  ? ext4_filemap_fault+0x7a/0xad
[  862.442302]  ? __down_interruptible+0x700/0x700
[  862.446987]  ext4_filemap_fault+0x82/0xad
[  862.451129]  __do_fault+0x100/0x6b0
[  862.454748]  ? find_held_lock+0x36/0x1c0
[  862.458849]  ? pmd_devmap_trans_unstable+0x220/0x220
[  862.463995]  ? mark_held_locks+0x130/0x130
[  862.468244]  ? mark_held_locks+0x130/0x130
[  862.472496]  ? _raw_spin_unlock_irq+0x27/0x80
[  862.476987]  ? _raw_spin_unlock_irq+0x27/0x80
[  862.481480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  862.486061]  ? kasan_check_read+0x11/0x20
[  862.490209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.495753]  __handle_mm_fault+0x3ea6/0x5be0
[  862.500170]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  862.505015]  ? finish_task_switch+0x1f4/0x910
[  862.509507]  ? finish_task_switch+0x1b4/0x910
[  862.514002]  ? __switch_to_asm+0x34/0x70
[  862.518063]  ? preempt_notifier_register+0x200/0x200
[  862.523162]  ? __switch_to_asm+0x34/0x70
[  862.527229]  ? __switch_to_asm+0x34/0x70
[  862.531298]  ? zap_class+0x640/0x640
[  862.535009]  ? zap_class+0x640/0x640
[  862.538731]  ? __x64_sys_futex+0x53e/0x6a0
[  862.542965]  ? find_held_lock+0x36/0x1c0
[  862.547043]  ? handle_mm_fault+0x42a/0xc70
[  862.551276]  ? lock_downgrade+0x900/0x900
[  862.555445]  ? check_preemption_disabled+0x48/0x280
[  862.560480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  862.565424]  ? kasan_check_read+0x11/0x20
[  862.569585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.574863]  ? rcu_softirq_qs+0x20/0x20
[  862.578839]  ? trace_hardirqs_off_caller+0x310/0x310
[  862.583957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.589495]  ? check_preemption_disabled+0x48/0x280
[  862.594522]  handle_mm_fault+0x54f/0xc70
[  862.598581]  ? __handle_mm_fault+0x5be0/0x5be0
[  862.603161]  ? find_vma+0x34/0x190
[  862.606699]  __do_page_fault+0x5e8/0xe60
[  862.610759]  ? trace_hardirqs_off+0xb8/0x310
[  862.615173]  do_page_fault+0xf2/0x7e0
[  862.618970]  ? vmalloc_sync_all+0x30/0x30
[  862.623139]  ? error_entry+0x70/0xd0
[  862.626866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  862.631893]  ? trace_hardirqs_on_caller+0xc0/0x310
[  862.636832]  ? syscall_return_slowpath+0x5e0/0x5e0
[  862.641760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  862.646601]  ? trace_hardirqs_on_caller+0x310/0x310
[  862.651621]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  862.657074]  ? prepare_exit_to_usermode+0x291/0x3b0
[  862.662089]  ? page_fault+0x8/0x30
[  862.665639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  862.670489]  ? page_fault+0x8/0x30
[  862.674037]  page_fault+0x1e/0x30
[  862.677490] RIP: 0033:0x45ddf3
[  862.680699] Code: Bad RIP value.
[  862.684062] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  862.689431] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  862.696702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  862.703968] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  862.711235] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  862.718519] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  862.726065] warn_alloc_show_mem: 1 callbacks suppressed
[  862.726077] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  862.726080] Mem-Info:
[  862.726111] active_anon:53034 inactive_anon:131 isolated_anon:0
[  862.726111]  active_file:14 inactive_file:14 isolated_file:0
[  862.726111]  unevictable:0 dirty:0 writeback:0 unstable:0
[  862.726111]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  862.726111]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  862.726111]  free:13749 free_pcp:564 free_cma:0
[  862.731455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  862.738488] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  862.740901] Call Trace:
[  862.773858] 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
[  862.783203]  <IRQ>
[  862.810596] lowmem_reserve[]: 0 2818 6321 6321
[  862.813179]  dump_stack+0x244/0x39d
[  862.839475] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  862.841630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  862.846186] lowmem_reserve[]: 0 0 3503 3503
[  862.849817]  warn_alloc.cold.116+0xb7/0x1bd
[  862.877291] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  862.882480]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  862.886769] lowmem_reserve[]: 0 0 0 0
[  862.891109]  ? lock_downgrade+0x900/0x900
[  862.920159] 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
[  862.925003]  ? trace_hardirqs_off+0xb8/0x310
[  862.928776] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  862.932929]  ? trace_hardirqs_off+0xb8/0x310
[  862.946432] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  862.950845]  __alloc_pages_slowpath+0x26e8/0x2e10
[  862.966012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  862.970446]  ? warn_alloc+0x120/0x120
[  862.985841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  862.985851] 166 total pagecache pages
[  862.990692]  ? warn_alloc+0x120/0x120
[  862.999511] 0 pages in swap cache
[  863.003337]  ? warn_alloc+0x120/0x120
[  863.011892] Swap cache stats: add 0, delete 0, find 0/0
[  863.015692]  ? print_usage_bug+0xc0/0xc0
[  863.019474] Free swap  = 0kB
[  863.022929]  ? print_usage_bug+0xc0/0xc0
[  863.026703] Total swap = 0kB
[  863.032064]  ? trace_hardirqs_off+0xb8/0x310
[  863.036102] 1965979 pages RAM
[  863.039131]  ? kasan_check_read+0x11/0x20
[  863.043184] 0 pages HighMem/MovableOnly
[  863.046199]  ? do_raw_spin_unlock+0xa7/0x330
[  863.050583] 342858 pages reserved
[  863.053685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  863.057808] 0 pages cma reserved
[  863.061777]  ? should_fail+0x22d/0xd01
[  863.066246] aoe: skb alloc failure
[  863.069632]  ? print_usage_bug+0xc0/0xc0
[  863.069647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  863.069666]  ? __lock_acquire+0x62f/0x4c20
[  863.075224] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  863.078561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  863.082437] syz-fuzzer cpuset=/ mems_allowed=0
[  863.085974]  ? should_fail+0x22d/0xd01
[  863.123073]  ? mark_held_locks+0x130/0x130
[  863.127313]  ? mark_held_locks+0x130/0x130
[  863.131548]  ? print_usage_bug+0xc0/0xc0
[  863.135615]  ? zap_class+0x640/0x640
[  863.139333]  ? find_held_lock+0x36/0x1c0
[  863.143410]  ? zap_class+0x640/0x640
[  863.147134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.152692]  ? check_preemption_disabled+0x48/0x280
[  863.157722]  ? __lock_is_held+0xb5/0x140
[  863.161791]  __alloc_pages_nodemask+0xa80/0xde0
[  863.166464]  ? zap_class+0x640/0x640
[  863.170184]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  863.175212]  ? find_held_lock+0x36/0x1c0
[  863.179301]  ? ____cache_alloc_node+0x1c7/0x1e0
[  863.183988]  ? lock_downgrade+0x900/0x900
[  863.188147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.193697]  cache_grow_begin+0xa5/0x8c0
[  863.197764]  ? do_raw_spin_unlock+0xa7/0x330
[  863.202185]  fallback_alloc+0x204/0x2e0
[  863.206169]  ____cache_alloc_node+0x1c7/0x1e0
[  863.210675]  kmem_cache_alloc_node+0xe3/0x730
[  863.215176]  ? mark_held_locks+0xc7/0x130
[  863.219336]  __alloc_skb+0x119/0x770
[  863.223061]  ? netdev_alloc_frag+0x1f0/0x1f0
[  863.227481]  ? do_raw_spin_trylock+0x270/0x270
[  863.232104]  ? kmem_cache_alloc_trace+0x353/0x750
[  863.236964]  ? queue_work_on+0x12c/0x1e0
[  863.241035]  ? switchdev_port_obj_del+0xdc/0x440
[  863.245797]  ? switchdev_trans_item_enqueue+0x260/0x260
[  863.251166]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  863.256191]  __br_mdb_notify+0x4ff/0x15d0
[  863.260339]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  863.265454]  ? __br_mdb_add+0x7f0/0x7f0
[  863.269441]  ? mark_held_locks+0x130/0x130
[  863.273689]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  863.278796]  ? debug_object_assert_init+0x368/0x4b0
[  863.283819]  ? debug_object_init_on_stack+0x20/0x20
[  863.288849]  ? zap_class+0x640/0x640
[  863.292568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.298111]  br_mdb_notify+0x310/0x410
[  863.302004]  ? br_mdb_dump+0x27b0/0x27b0
[  863.306081]  br_multicast_del_pg+0x3df/0x790
[  863.310497]  ? br_mdb_ip_get+0x940/0x940
[  863.314570]  ? rwlock_bug.part.2+0x90/0x90
[  863.318812]  ? __lock_is_held+0xb5/0x140
[  863.322881]  br_multicast_port_group_expired+0x189/0x1e0
[  863.328333]  call_timer_fn+0x272/0x920
[  863.332231]  ? br_multicast_del_pg+0x790/0x790
[  863.336815]  ? process_timeout+0x40/0x40
[  863.340886]  ? __run_timers+0x7da/0xc70
[  863.344867]  ? _raw_spin_unlock_irq+0x27/0x80
[  863.349373]  ? _raw_spin_unlock_irq+0x27/0x80
[  863.353873]  ? br_multicast_del_pg+0x790/0x790
[  863.358476]  ? lockdep_hardirqs_on+0x296/0x5b0
[  863.363066]  ? trace_hardirqs_on+0xbd/0x310
[  863.367389]  ? kasan_check_read+0x11/0x20
[  863.371546]  ? __run_timers+0x7da/0xc70
[  863.375525]  ? trace_hardirqs_off_caller+0x310/0x310
[  863.380631]  ? br_mdb_free+0x80/0x80
[  863.384351]  ? br_multicast_del_pg+0x790/0x790
[  863.388935]  __run_timers+0x7e5/0xc70
[  863.392750]  ? timer_fixup_init+0x70/0x70
[  863.396901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  863.401926]  ? zap_class+0x640/0x640
[  863.405643]  ? enqueue_hrtimer+0x1a5/0x560
[  863.409881]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  863.415079]  ? find_held_lock+0x36/0x1c0
[  863.419170]  ? zap_class+0x640/0x640
[  863.422888]  ? pvclock_read_flags+0x160/0x160
[  863.427388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.432934]  ? check_preemption_disabled+0x48/0x280
[  863.437956]  ? __lock_is_held+0xb5/0x140
[  863.442014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.447562]  ? check_preemption_disabled+0x48/0x280
[  863.452580]  run_timer_softirq+0x52/0xb0
[  863.456641]  ? rcu_read_lock_sched_held+0x14f/0x180
[  863.461747]  __do_softirq+0x308/0xb7e
[  863.465556]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  863.470049]  ? lock_downgrade+0x900/0x900
[  863.474198]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  863.479308]  ? pvclock_read_flags+0x160/0x160
[  863.483807]  ? lapic_next_event+0x5a/0x90
[  863.487958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.493499]  ? kvm_clock_read+0x18/0x30
[  863.497480]  ? kvm_sched_clock_read+0x9/0x20
[  863.501906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.507452]  ? check_preemption_disabled+0x48/0x280
[  863.512476]  irq_exit+0x17f/0x1c0
[  863.515936]  smp_apic_timer_interrupt+0x1cb/0x760
[  863.520777]  ? smp_reschedule_interrupt+0x109/0x650
[  863.525839]  ? smp_call_function_single_interrupt+0x650/0x650
[  863.531724]  ? interrupt_entry+0xb5/0xc0
[  863.535791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  863.540809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  863.545830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  863.550676]  ? trace_hardirqs_on_caller+0x310/0x310
[  863.555689]  ? trace_hardirqs_on_caller+0x310/0x310
[  863.560708]  ? task_prio+0x50/0x50
[  863.564268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.569830]  ? check_preemption_disabled+0x48/0x280
[  863.574875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  863.579729]  apic_timer_interrupt+0xf/0x20
[  863.583956]  </IRQ>
[  863.586204] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  863.592098] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  863.611040] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  863.618743] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  863.626007] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  863.633284] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  863.640549] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  863.647817] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  863.655126]  ? save_stack+0xa9/0xd0
[  863.658766]  __kmalloc_node_track_caller+0x3c/0x70
[  863.663706]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  863.668474]  pskb_expand_head+0x230/0x10f0
[  863.672712]  ? check_preemption_disabled+0x48/0x280
[  863.677733]  ? memcpy+0x45/0x50
[  863.681017]  ? __copy_skb_header+0x350/0x6b0
[  863.685439]  ? skb_release_data+0x880/0x880
[  863.689760]  ? __alloc_skb+0x770/0x770
[  863.693673]  ? __lock_is_held+0xb5/0x140
[  863.697746]  ? kasan_check_write+0x14/0x20
[  863.701985]  ? __skb_clone+0x6c7/0xa00
[  863.705873]  ? __copy_skb_header+0x6b0/0x6b0
[  863.710284]  ? kmem_cache_alloc+0x33a/0x730
[  863.714613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.720156]  skb_ensure_writable+0x3dd/0x640
[  863.724659]  ? skb_checksum_setup+0xaa0/0xaa0
[  863.729157]  ? preempt_notifier_register+0x200/0x200
[  863.734262]  ? __switch_to_asm+0x34/0x70
[  863.738325]  ? __switch_to_asm+0x34/0x70
[  863.742384]  ? __switch_to_asm+0x40/0x70
[  863.746454]  ? __switch_to_asm+0x34/0x70
[  863.750518]  ? __switch_to_asm+0x40/0x70
[  863.754581]  ? __switch_to_asm+0x40/0x70
[  863.758652]  ? __switch_to_asm+0x34/0x70
[  863.762718]  ? __switch_to_asm+0x34/0x70
[  863.766781]  ? __switch_to_asm+0x40/0x70
[  863.770844]  ? __switch_to_asm+0x34/0x70
[  863.774922]  bpf_clone_redirect+0x14a/0x490
[  863.779253]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  863.784276]  ? __sched_text_start+0x8/0x8
[  863.788452]  ? retint_kernel+0x2d/0x2d
[  863.792354]  ? find_held_lock+0x36/0x1c0
[  863.796439]  ? lock_acquire+0x1ed/0x520
[  863.800593]  ? bpf_test_run+0x3cb/0x780
[  863.804570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.810110]  ? check_preemption_disabled+0x48/0x280
[  863.815136]  ? kasan_check_read+0x11/0x20
[  863.819291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  863.824567]  ? rcu_softirq_qs+0x20/0x20
[  863.828543]  ? preempt_schedule+0x4d/0x60
[  863.832696]  ? ___preempt_schedule+0x16/0x18
[  863.837129]  ? bpf_test_run+0x25d/0x780
[  863.841116]  ? netlink_diag_dump+0x2a0/0x2a0
[  863.845549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  863.851086]  ? bpf_test_init.isra.10+0x70/0x100
[  863.855764]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  863.860531]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  863.865377]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  863.870933]  ? fput+0x130/0x1a0
[  863.874219]  ? __bpf_prog_get+0x9b/0x290
[  863.878286]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  863.883130]  ? bpf_prog_test_run+0x130/0x1a0
[  863.887542]  ? __x64_sys_bpf+0x3d8/0x520
[  863.891605]  ? bpf_prog_get+0x20/0x20
[  863.895434]  ? do_syscall_64+0x1b9/0x820
[  863.899504]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  863.904870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  863.909805]  ? trace_hardirqs_on_caller+0x310/0x310
[  863.914826]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  863.919849]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  863.926520]  ? __switch_to_asm+0x40/0x70
[  863.930584]  ? __switch_to_asm+0x34/0x70
[  863.934655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  863.939510]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  863.944900] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  863.945065] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  863.951578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  863.962051] syz-executor0 cpuset=syz0 mems_allowed=0
[  863.971395] Call Trace:
[  863.979071]  <IRQ>
[  863.981230]  dump_stack+0x244/0x39d
[  863.984862]  ? dump_stack_print_info.cold.1+0x20/0x20
[  863.990075]  warn_alloc.cold.116+0xb7/0x1bd
[  863.994410]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  863.999269]  ? lock_downgrade+0x900/0x900
[  864.003446]  ? trace_hardirqs_off+0xb8/0x310
[  864.007867]  ? trace_hardirqs_off+0xb8/0x310
[  864.012289]  __alloc_pages_slowpath+0x26e8/0x2e10
[  864.017187]  ? warn_alloc+0x120/0x120
[  864.020998]  ? warn_alloc+0x120/0x120
[  864.024805]  ? __lock_acquire+0x62f/0x4c20
[  864.029044]  ? warn_alloc+0x120/0x120
[  864.032850]  ? print_usage_bug+0xc0/0xc0
[  864.036915]  ? print_usage_bug+0xc0/0xc0
[  864.040985]  ? mark_held_locks+0x130/0x130
[  864.045232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.050773]  ? should_fail+0x22d/0xd01
[  864.054660]  ? zap_class+0x640/0x640
[  864.058378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  864.063502]  ? __lock_acquire+0x62f/0x4c20
[  864.067743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  864.072848]  ? should_fail+0x22d/0xd01
[  864.076754]  ? mark_held_locks+0x130/0x130
[  864.081009]  ? mark_held_locks+0x130/0x130
[  864.085247]  ? lock_downgrade+0x900/0x900
[  864.089398]  ? zap_class+0x640/0x640
[  864.093143]  ? zap_class+0x640/0x640
[  864.096863]  ? zap_class+0x640/0x640
[  864.100577]  ? do_raw_spin_unlock+0xa7/0x330
[  864.105001]  ? trace_hardirqs_on+0x310/0x310
[  864.109427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.114968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.120509]  ? check_preemption_disabled+0x48/0x280
[  864.125541]  ? __lock_is_held+0xb5/0x140
[  864.129615]  __alloc_pages_nodemask+0xa80/0xde0
[  864.134287]  ? zap_class+0x640/0x640
[  864.138033]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  864.143061]  ? find_held_lock+0x36/0x1c0
[  864.147136]  ? ____cache_alloc_node+0x1c7/0x1e0
[  864.151820]  ? lock_downgrade+0x900/0x900
[  864.156001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.161558]  cache_grow_begin+0xa5/0x8c0
[  864.165620]  ? do_raw_spin_unlock+0xa7/0x330
[  864.170049]  fallback_alloc+0x204/0x2e0
[  864.174028]  ____cache_alloc_node+0x1c7/0x1e0
[  864.178532]  kmem_cache_alloc_node+0xe3/0x730
[  864.183042]  ? lockdep_hardirqs_on+0x296/0x5b0
[  864.187643]  __alloc_skb+0x119/0x770
[  864.191358]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  864.196744]  ? netdev_alloc_frag+0x1f0/0x1f0
[  864.201171]  ? vprintk_default+0x28/0x30
[  864.205238]  ? vprintk_func+0x85/0x181
[  864.209130]  ? printk+0xa7/0xcf
[  864.212429]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  864.217198]  new_skb+0x26/0x1c0
[  864.220483]  aoecmd_cfg+0x279/0x7f0
[  864.224111]  ? find_held_lock+0x36/0x1c0
[  864.228189]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  864.232527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.238078]  ? __lock_is_held+0xb5/0x140
[  864.242166]  discover_timer+0x50/0x60
[  864.245982]  call_timer_fn+0x272/0x920
[  864.249880]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  864.254735]  ? process_timeout+0x40/0x40
[  864.258806]  ? mark_held_locks+0xc7/0x130
[  864.262979]  ? _raw_spin_unlock_irq+0x27/0x80
[  864.267476]  ? _raw_spin_unlock_irq+0x27/0x80
[  864.271970]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  864.276812]  ? lockdep_hardirqs_on+0x296/0x5b0
[  864.281397]  ? trace_hardirqs_on+0xbd/0x310
[  864.285739]  ? kasan_check_read+0x11/0x20
[  864.289891]  ? __run_timers+0x7da/0xc70
[  864.293868]  ? trace_hardirqs_off_caller+0x310/0x310
[  864.298985]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  864.303824]  __run_timers+0x7e5/0xc70
[  864.307637]  ? timer_fixup_init+0x70/0x70
[  864.311788]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  864.316805]  ? zap_class+0x640/0x640
[  864.320522]  ? print_usage_bug+0xc0/0xc0
[  864.324584]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  864.329783]  ? find_held_lock+0x36/0x1c0
[  864.333847]  ? zap_class+0x640/0x640
[  864.337566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.343107]  ? check_preemption_disabled+0x48/0x280
[  864.348137]  ? __lock_is_held+0xb5/0x140
[  864.352204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.357739]  ? check_preemption_disabled+0x48/0x280
[  864.362761]  run_timer_softirq+0x52/0xb0
[  864.366910]  ? rcu_read_lock_sched_held+0x14f/0x180
[  864.371922]  __do_softirq+0x308/0xb7e
[  864.375727]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  864.380226]  ? lock_downgrade+0x900/0x900
[  864.384388]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  864.389521]  ? pvclock_read_flags+0x160/0x160
[  864.394026]  ? lapic_next_event+0x5a/0x90
[  864.398180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.403732]  ? kvm_clock_read+0x18/0x30
[  864.407706]  ? kvm_sched_clock_read+0x9/0x20
[  864.412117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.417661]  ? check_preemption_disabled+0x48/0x280
[  864.422690]  irq_exit+0x17f/0x1c0
[  864.426147]  smp_apic_timer_interrupt+0x1cb/0x760
[  864.430999]  ? smp_reschedule_interrupt+0x109/0x650
[  864.436019]  ? smp_call_function_single_interrupt+0x650/0x650
[  864.441922]  ? interrupt_entry+0xb5/0xc0
[  864.445987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  864.451002]  ? trace_hardirqs_off_caller+0xbb/0x310
[  864.456024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  864.460870]  ? trace_hardirqs_on_caller+0x310/0x310
[  864.465890]  ? trace_hardirqs_on_caller+0x310/0x310
[  864.470934]  ? task_prio+0x50/0x50
[  864.474476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.480015]  ? check_preemption_disabled+0x48/0x280
[  864.485044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  864.489910]  apic_timer_interrupt+0xf/0x20
[  864.494139]  </IRQ>
[  864.496377] RIP: 0010:dump_stack+0x358/0x39d
[  864.500802] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  864.519702] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  864.527437] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  864.534707] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  864.541976] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  864.549245] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  864.556512] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  864.563802]  ? dump_stack+0x34f/0x39d
[  864.567619]  ? dump_stack_print_info.cold.1+0x20/0x20
[  864.572818]  ? mark_held_locks+0x130/0x130
[  864.577074]  ? mark_held_locks+0x130/0x130
[  864.581316]  dump_header+0x27b/0xf72
[  864.585043]  ? pagefault_out_of_memory+0x197/0x197
[  864.589980]  ? __lock_acquire+0x62f/0x4c20
[  864.594220]  ? percpu_ref_get_many+0x240/0x240
[  864.598826]  ? print_usage_bug+0xc0/0xc0
[  864.602895]  ? zap_class+0x640/0x640
[  864.606612]  ? print_usage_bug+0xc0/0xc0
[  864.610676]  ? print_usage_bug+0xc0/0xc0
[  864.614745]  ? zap_class+0x640/0x640
[  864.618467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.624015]  ? find_held_lock+0x36/0x1c0
[  864.628092]  ? mark_held_locks+0xc7/0x130
[  864.632244]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  864.637348]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  864.642454]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  864.647038]  ? trace_hardirqs_on+0xbd/0x310
[  864.651367]  ? kasan_check_read+0x11/0x20
[  864.655523]  ? ___ratelimit+0x3b4/0x672
[  864.659501]  ? trace_hardirqs_off_caller+0x310/0x310
[  864.664624]  ? trace_hardirqs_on+0x310/0x310
[  864.669033]  ? lock_downgrade+0x900/0x900
[  864.673204]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  864.678330]  ? ___ratelimit+0x3b9/0x672
[  864.682321]  ? idr_get_free+0xf80/0xf80
[  864.686298]  ? find_held_lock+0x36/0x1c0
[  864.690373]  oom_kill_process.cold.27+0x10/0x903
[  864.695182]  ? zap_class+0x640/0x640
[  864.698898]  ? check_preemption_disabled+0x48/0x280
[  864.703935]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  864.708877]  ? kasan_check_read+0x11/0x20
[  864.713034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  864.718312]  ? oom_evaluate_task+0x540/0x540
[  864.723180]  ? find_held_lock+0x36/0x1c0
[  864.727251]  ? out_of_memory+0x974/0x1430
[  864.731423]  ? lock_downgrade+0x900/0x900
[  864.735578]  ? check_preemption_disabled+0x48/0x280
[  864.740624]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  864.745577]  ? kasan_check_read+0x11/0x20
[  864.749724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  864.755017]  ? rcu_softirq_qs+0x20/0x20
[  864.758994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.764552]  ? oom_evaluate_task+0x302/0x540
[  864.768964]  out_of_memory+0xa84/0x1430
[  864.772951]  ? oom_killer_disable+0x3a0/0x3a0
[  864.777451]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  864.782382]  ? __ww_mutex_check_waiters+0x160/0x160
[  864.787443]  __alloc_pages_slowpath+0x2354/0x2e10
[  864.792319]  ? warn_alloc+0x120/0x120
[  864.796119]  ? mark_held_locks+0x130/0x130
[  864.800360]  ? find_get_entry+0xaae/0x1120
[  864.804605]  ? filemap_map_pages+0x1a20/0x1a20
[  864.809192]  ? zap_class+0x640/0x640
[  864.812910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.818454]  ? check_preemption_disabled+0x48/0x280
[  864.823472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.829022]  ? should_fail+0x22d/0xd01
[  864.833154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  864.838258]  ? zap_class+0x640/0x640
[  864.841996]  ? __lock_is_held+0xb5/0x140
[  864.846076]  ? mark_held_locks+0x130/0x130
[  864.850312]  ? lock_release+0xa00/0xa00
[  864.854288]  ? perf_trace_sched_process_exec+0x860/0x860
[  864.859748]  ? xa_load+0x2ba/0x460
[  864.863295]  ? lock_downgrade+0x900/0x900
[  864.867450]  ? __might_sleep+0x95/0x190
[  864.871446]  __alloc_pages_nodemask+0xa80/0xde0
[  864.876142]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  864.881183]  ? __page_cache_alloc+0x191/0x5c0
[  864.885676]  ? xa_load+0x2e1/0x460
[  864.889216]  ? xa_clear_mark+0x40/0x40
[  864.893123]  ? zap_class+0x640/0x640
[  864.896846]  ? zap_class+0x640/0x640
[  864.900571]  ? zap_class+0x640/0x640
[  864.904286]  ? __do_page_cache_readahead+0x663/0x810
[  864.909394]  ? find_held_lock+0x36/0x1c0
[  864.913484]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  864.919028]  alloc_pages_current+0x173/0x350
[  864.923449]  __page_cache_alloc+0x38c/0x5c0
[  864.927775]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  864.932707]  ? kasan_check_read+0x11/0x20
[  864.936857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  864.942137]  ? generic_perform_write+0x6a0/0x6a0
[  864.946898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.952446]  ? check_preemption_disabled+0x48/0x280
[  864.957475]  filemap_fault+0x1595/0x25f0
[  864.961552]  ? __lock_page_or_retry+0xa00/0xa00
[  864.966240]  ? mark_held_locks+0x130/0x130
[  864.970487]  ? filemap_map_pages+0xd6b/0x1a20
[  864.974987]  ? lock_downgrade+0x900/0x900
[  864.979134]  ? check_preemption_disabled+0x48/0x280
[  864.984153]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  864.989088]  ? kasan_check_read+0x11/0x20
[  864.993238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  864.998519]  ? rcu_softirq_qs+0x20/0x20
[  865.002509]  ? filemap_map_pages+0xd92/0x1a20
[  865.007019]  ? find_get_entries_tag+0x1400/0x1400
[  865.011862]  ? debug_object_destroy+0x2b0/0x2b0
[  865.016531]  ? lock_pi_update_atomic+0x150/0x150
[  865.021282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.026852]  ? lock_acquire+0x1ed/0x520
[  865.030830]  ? ext4_filemap_fault+0x7a/0xad
[  865.035160]  ? lock_release+0xa00/0xa00
[  865.039129]  ? perf_trace_sched_process_exec+0x860/0x860
[  865.044576]  ? print_usage_bug+0xc0/0xc0
[  865.048647]  ? print_usage_bug+0xc0/0xc0
[  865.052731]  ? down_read+0x8d/0x120
[  865.056351]  ? ext4_filemap_fault+0x7a/0xad
[  865.060674]  ? __down_interruptible+0x700/0x700
[  865.065371]  ext4_filemap_fault+0x82/0xad
[  865.069534]  __do_fault+0x100/0x6b0
[  865.073159]  ? find_held_lock+0x36/0x1c0
[  865.077223]  ? pmd_devmap_trans_unstable+0x220/0x220
[  865.082335]  ? mark_held_locks+0x130/0x130
[  865.086577]  ? mark_held_locks+0x130/0x130
[  865.090814]  ? _raw_spin_unlock_irq+0x27/0x80
[  865.095313]  ? _raw_spin_unlock_irq+0x27/0x80
[  865.099814]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  865.104420]  ? kasan_check_read+0x11/0x20
[  865.108575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.114118]  __handle_mm_fault+0x3ea6/0x5be0
[  865.118536]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  865.123394]  ? finish_task_switch+0x1f4/0x910
[  865.127904]  ? finish_task_switch+0x1b4/0x910
[  865.132410]  ? __switch_to_asm+0x34/0x70
[  865.136487]  ? preempt_notifier_register+0x200/0x200
[  865.141602]  ? __switch_to_asm+0x34/0x70
[  865.145676]  ? __switch_to_asm+0x34/0x70
[  865.149762]  ? zap_class+0x640/0x640
[  865.153491]  ? zap_class+0x640/0x640
[  865.157203]  ? __x64_sys_futex+0x53e/0x6a0
[  865.161447]  ? find_held_lock+0x36/0x1c0
[  865.165522]  ? handle_mm_fault+0x42a/0xc70
[  865.169763]  ? lock_downgrade+0x900/0x900
[  865.173915]  ? check_preemption_disabled+0x48/0x280
[  865.178939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  865.183868]  ? kasan_check_read+0x11/0x20
[  865.188014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  865.193288]  ? rcu_softirq_qs+0x20/0x20
[  865.197272]  ? trace_hardirqs_off_caller+0x310/0x310
[  865.202433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.207976]  ? check_preemption_disabled+0x48/0x280
[  865.212999]  handle_mm_fault+0x54f/0xc70
[  865.217070]  ? __handle_mm_fault+0x5be0/0x5be0
[  865.221660]  ? find_vma+0x34/0x190
[  865.225206]  __do_page_fault+0x5e8/0xe60
[  865.229279]  ? trace_hardirqs_off+0xb8/0x310
[  865.233704]  do_page_fault+0xf2/0x7e0
[  865.237531]  ? vmalloc_sync_all+0x30/0x30
[  865.241677]  ? error_entry+0x70/0xd0
[  865.245394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  865.250437]  ? trace_hardirqs_on_caller+0xc0/0x310
[  865.255372]  ? syscall_return_slowpath+0x5e0/0x5e0
[  865.260318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  865.265160]  ? trace_hardirqs_on_caller+0x310/0x310
[  865.270178]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  865.275636]  ? prepare_exit_to_usermode+0x291/0x3b0
[  865.280655]  ? page_fault+0x8/0x30
[  865.284201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  865.289047]  ? page_fault+0x8/0x30
[  865.292590]  page_fault+0x1e/0x30
[  865.296044] RIP: 0033:0x45ddf3
[  865.299250] Code: Bad RIP value.
[  865.302615] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  865.307988] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  865.315256] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  865.322524] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  865.329792] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  865.337060] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  865.344362] warn_alloc_show_mem: 1 callbacks suppressed
[  865.344373] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  865.344375] Mem-Info:
[  865.344450] active_anon:53034 inactive_anon:131 isolated_anon:0
[  865.344450]  active_file:14 inactive_file:14 isolated_file:0
[  865.344450]  unevictable:0 dirty:0 writeback:0 unstable:0
[  865.344450]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  865.344450]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  865.344450]  free:13749 free_pcp:564 free_cma:0
[  865.349775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  865.349784] Call Trace:
[  865.356809] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  865.359209]  <IRQ>
[  865.392164] 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
[  865.401520]  dump_stack+0x244/0x39d
[  865.404101] lowmem_reserve[]: 0 2818 6321 6321
[  865.431522]  ? dump_stack_print_info.cold.1+0x20/0x20
[  865.433651] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  865.459767]  warn_alloc.cold.116+0xb7/0x1bd
[  865.463362] lowmem_reserve[]: 0 0 3503 3503
[  865.467960]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  865.473126] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  865.500621]  ? lock_downgrade+0x900/0x900
[  865.504924] lowmem_reserve[]: 0 0 0 0
[  865.509246]  ? trace_hardirqs_off+0xb8/0x310
[  865.514064] 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
[  865.543122]  ? trace_hardirqs_off+0xb8/0x310
[  865.547247] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  865.551053]  __alloc_pages_slowpath+0x26e8/0x2e10
[  865.555437] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  865.569028]  ? warn_alloc+0x120/0x120
[  865.573389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  865.588563]  ? warn_alloc+0x120/0x120
[  865.593387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  865.608824]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  865.612602] 166 total pagecache pages
[  865.621439]  ? warn_alloc+0x120/0x120
[  865.625229] 0 pages in swap cache
[  865.633793]  ? print_usage_bug+0xc0/0xc0
[  865.638791] Swap cache stats: add 0, delete 0, find 0/0
[  865.642584]  ? print_usage_bug+0xc0/0xc0
[  865.646362] Free swap  = 0kB
[  865.649824]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  865.653876] Total swap = 0kB
[  865.659240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.663277] 1965979 pages RAM
[  865.666305]  ? should_fail+0x22d/0xd01
[  865.671479] 0 pages HighMem/MovableOnly
[  865.674500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  865.680019] 342858 pages reserved
[  865.683120]  ? __lock_acquire+0x62f/0x4c20
[  865.686986] 0 pages cma reserved
[  865.690955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  865.696091] aoe: skb alloc failure
[  865.699478]  ? should_fail+0x22d/0xd01
[  865.699503]  ? mark_held_locks+0x130/0x130
[  865.699521]  ? mark_held_locks+0x130/0x130
[  865.703795] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  865.707134]  ? print_usage_bug+0xc0/0xc0
[  865.712223] syz-fuzzer cpuset=/ mems_allowed=0
[  865.715762]  ? find_held_lock+0x36/0x1c0
[  865.750973]  ? zap_class+0x640/0x640
[  865.754692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.760233]  ? check_preemption_disabled+0x48/0x280
[  865.765264]  ? __lock_is_held+0xb5/0x140
[  865.769344]  __alloc_pages_nodemask+0xa80/0xde0
[  865.774009]  ? zap_class+0x640/0x640
[  865.777743]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  865.782771]  ? find_held_lock+0x36/0x1c0
[  865.786846]  ? ____cache_alloc_node+0x1c7/0x1e0
[  865.791515]  ? lock_downgrade+0x900/0x900
[  865.795675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.801233]  cache_grow_begin+0xa5/0x8c0
[  865.805304]  ? do_raw_spin_unlock+0xa7/0x330
[  865.809725]  fallback_alloc+0x204/0x2e0
[  865.813707]  ____cache_alloc_node+0x1c7/0x1e0
[  865.818210]  kmem_cache_alloc_node+0xe3/0x730
[  865.822706]  ? mark_held_locks+0xc7/0x130
[  865.826868]  __alloc_skb+0x119/0x770
[  865.830588]  ? netdev_alloc_frag+0x1f0/0x1f0
[  865.835011]  ? do_raw_spin_trylock+0x270/0x270
[  865.839601]  ? kmem_cache_alloc_trace+0x353/0x750
[  865.844450]  ? queue_work_on+0x12c/0x1e0
[  865.848521]  ? switchdev_port_obj_del+0xdc/0x440
[  865.853283]  ? switchdev_trans_item_enqueue+0x260/0x260
[  865.858655]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  865.863681]  __br_mdb_notify+0x4ff/0x15d0
[  865.867830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  865.872951]  ? __br_mdb_add+0x7f0/0x7f0
[  865.876938]  ? mark_held_locks+0x130/0x130
[  865.881181]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  865.886289]  ? debug_object_assert_init+0x368/0x4b0
[  865.891310]  ? debug_object_init_on_stack+0x20/0x20
[  865.896323]  ? zap_class+0x640/0x640
[  865.900039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.905584]  br_mdb_notify+0x310/0x410
[  865.909476]  ? br_mdb_dump+0x27b0/0x27b0
[  865.913557]  br_multicast_del_pg+0x3df/0x790
[  865.917976]  ? br_mdb_ip_get+0x940/0x940
[  865.922037]  ? rwlock_bug.part.2+0x90/0x90
[  865.926291]  ? __lock_is_held+0xb5/0x140
[  865.930367]  br_multicast_port_group_expired+0x189/0x1e0
[  865.935831]  call_timer_fn+0x272/0x920
[  865.939734]  ? br_multicast_del_pg+0x790/0x790
[  865.944322]  ? process_timeout+0x40/0x40
[  865.948392]  ? __run_timers+0x7da/0xc70
[  865.952383]  ? _raw_spin_unlock_irq+0x27/0x80
[  865.956888]  ? _raw_spin_unlock_irq+0x27/0x80
[  865.961389]  ? br_multicast_del_pg+0x790/0x790
[  865.965986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  865.970578]  ? trace_hardirqs_on+0xbd/0x310
[  865.974899]  ? kasan_check_read+0x11/0x20
[  865.979049]  ? __run_timers+0x7da/0xc70
[  865.983026]  ? trace_hardirqs_off_caller+0x310/0x310
[  865.988139]  ? br_multicast_del_pg+0x790/0x790
[  865.992727]  ? br_multicast_del_pg+0x790/0x790
[  865.997320]  __run_timers+0x7e5/0xc70
[  866.001131]  ? timer_fixup_init+0x70/0x70
[  866.005299]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  866.010330]  ? zap_class+0x640/0x640
[  866.014051]  ? enqueue_hrtimer+0x1a5/0x560
[  866.018301]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  866.023499]  ? find_held_lock+0x36/0x1c0
[  866.027595]  ? zap_class+0x640/0x640
[  866.031314]  ? pvclock_read_flags+0x160/0x160
[  866.035812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.041347]  ? check_preemption_disabled+0x48/0x280
[  866.046373]  ? __lock_is_held+0xb5/0x140
[  866.050450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.056001]  ? check_preemption_disabled+0x48/0x280
[  866.061033]  run_timer_softirq+0x52/0xb0
[  866.065105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  866.070148]  __do_softirq+0x308/0xb7e
[  866.073968]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  866.078475]  ? lock_downgrade+0x900/0x900
[  866.082633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  866.087748]  ? pvclock_read_flags+0x160/0x160
[  866.092251]  ? lapic_next_event+0x5a/0x90
[  866.096411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.101955]  ? kvm_clock_read+0x18/0x30
[  866.105936]  ? kvm_sched_clock_read+0x9/0x20
[  866.110351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.115911]  ? check_preemption_disabled+0x48/0x280
[  866.120945]  irq_exit+0x17f/0x1c0
[  866.124435]  smp_apic_timer_interrupt+0x1cb/0x760
[  866.129286]  ? smp_reschedule_interrupt+0x109/0x650
[  866.134308]  ? smp_call_function_single_interrupt+0x650/0x650
[  866.140193]  ? interrupt_entry+0xb5/0xc0
[  866.144256]  ? trace_hardirqs_off_caller+0xbb/0x310
[  866.149272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  866.154291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  866.159135]  ? trace_hardirqs_on_caller+0x310/0x310
[  866.164167]  ? trace_hardirqs_on_caller+0x310/0x310
[  866.169181]  ? task_prio+0x50/0x50
[  866.172734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.178272]  ? check_preemption_disabled+0x48/0x280
[  866.183293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  866.188147]  apic_timer_interrupt+0xf/0x20
[  866.192374]  </IRQ>
[  866.194650] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  866.200550] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  866.219451] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  866.227159] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  866.234433] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  866.241702] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  866.248971] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  866.256237] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  866.263535]  ? save_stack+0xa9/0xd0
[  866.267177]  __kmalloc_node_track_caller+0x3c/0x70
[  866.272114]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  866.276876]  pskb_expand_head+0x230/0x10f0
[  866.281117]  ? check_preemption_disabled+0x48/0x280
[  866.286133]  ? memcpy+0x45/0x50
[  866.289429]  ? __copy_skb_header+0x350/0x6b0
[  866.293837]  ? skb_release_data+0x880/0x880
[  866.298160]  ? __alloc_skb+0x770/0x770
[  866.302056]  ? __lock_is_held+0xb5/0x140
[  866.306132]  ? kasan_check_write+0x14/0x20
[  866.310364]  ? __skb_clone+0x6c7/0xa00
[  866.314279]  ? __copy_skb_header+0x6b0/0x6b0
[  866.318725]  ? kmem_cache_alloc+0x33a/0x730
[  866.323045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.328587]  skb_ensure_writable+0x3dd/0x640
[  866.333010]  ? skb_checksum_setup+0xaa0/0xaa0
[  866.337513]  ? preempt_notifier_register+0x200/0x200
[  866.342615]  ? __switch_to_asm+0x34/0x70
[  866.346697]  ? __switch_to_asm+0x34/0x70
[  866.350753]  ? __switch_to_asm+0x40/0x70
[  866.354810]  ? __switch_to_asm+0x34/0x70
[  866.358894]  ? __switch_to_asm+0x40/0x70
[  866.362991]  ? __switch_to_asm+0x40/0x70
[  866.367047]  ? __switch_to_asm+0x34/0x70
[  866.371110]  ? __switch_to_asm+0x34/0x70
[  866.375169]  ? __switch_to_asm+0x40/0x70
[  866.379229]  ? __switch_to_asm+0x34/0x70
[  866.383298]  bpf_clone_redirect+0x14a/0x490
[  866.387631]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  866.392647]  ? __sched_text_start+0x8/0x8
[  866.396808]  ? retint_kernel+0x2d/0x2d
[  866.400707]  ? find_held_lock+0x36/0x1c0
[  866.404776]  ? lock_acquire+0x1ed/0x520
[  866.408748]  ? bpf_test_run+0x3cb/0x780
[  866.412740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.418277]  ? check_preemption_disabled+0x48/0x280
[  866.423302]  ? kasan_check_read+0x11/0x20
[  866.427455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  866.432731]  ? rcu_softirq_qs+0x20/0x20
[  866.436705]  ? preempt_schedule+0x4d/0x60
[  866.440854]  ? ___preempt_schedule+0x16/0x18
[  866.445269]  ? bpf_test_run+0x25d/0x780
[  866.449252]  ? netlink_diag_dump+0x2a0/0x2a0
[  866.453676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  866.459213]  ? bpf_test_init.isra.10+0x70/0x100
[  866.463886]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  866.468658]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  866.473519]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  866.479069]  ? fput+0x130/0x1a0
[  866.482350]  ? __bpf_prog_get+0x9b/0x290
[  866.486421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  866.491264]  ? bpf_prog_test_run+0x130/0x1a0
[  866.495679]  ? __x64_sys_bpf+0x3d8/0x520
[  866.499744]  ? bpf_prog_get+0x20/0x20
[  866.503582]  ? do_syscall_64+0x1b9/0x820
[  866.507647]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  866.513016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  866.517956]  ? trace_hardirqs_on_caller+0x310/0x310
[  866.522972]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  866.527992]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  866.534659]  ? __switch_to_asm+0x40/0x70
[  866.538719]  ? __switch_to_asm+0x34/0x70
[  866.542785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  866.547635]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  866.553017] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  866.553159] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  866.559693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  866.559702] Call Trace:
[  866.570174] syz-executor0 cpuset=syz0 mems_allowed=0
[  866.579519]  <IRQ>
[  866.589322]  dump_stack+0x244/0x39d
[  866.592955]  ? dump_stack_print_info.cold.1+0x20/0x20
[  866.598157]  warn_alloc.cold.116+0xb7/0x1bd
[  866.602486]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  866.607335]  ? lock_downgrade+0x900/0x900
[  866.611496]  ? trace_hardirqs_off+0xb8/0x310
[  866.615916]  ? trace_hardirqs_off+0xb8/0x310
[  866.620339]  __alloc_pages_slowpath+0x26e8/0x2e10
[  866.625215]  ? warn_alloc+0x120/0x120
[  866.629023]  ? warn_alloc+0x120/0x120
[  866.632826]  ? __lock_acquire+0x62f/0x4c20
[  866.637061]  ? warn_alloc+0x120/0x120
[  866.640891]  ? print_usage_bug+0xc0/0xc0
[  866.644962]  ? print_usage_bug+0xc0/0xc0
[  866.649026]  ? mark_held_locks+0x130/0x130
[  866.653296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  866.658844]  ? should_fail+0x22d/0xd01
[  866.662730]  ? zap_class+0x640/0x640
[  866.666450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  866.671559]  ? __lock_acquire+0x62f/0x4c20
[  866.675815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  866.680943]  ? should_fail+0x22d/0xd01
[  866.684863]  ? mark_held_locks+0x130/0x130
[  866.689102]  ? mark_held_locks+0x130/0x130
[  866.693339]  ? lock_downgrade+0x900/0x900
[  866.697498]  ? zap_class+0x640/0x640
[  866.701225]  ? zap_class+0x640/0x640
[  866.704947]  ? zap_class+0x640/0x640
[  866.708678]  ? do_raw_spin_unlock+0xa7/0x330
[  866.713092]  ? trace_hardirqs_on+0x310/0x310
[  866.717505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.723522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.729063]  ? check_preemption_disabled+0x48/0x280
[  866.734088]  ? __lock_is_held+0xb5/0x140
[  866.738162]  __alloc_pages_nodemask+0xa80/0xde0
[  866.742832]  ? zap_class+0x640/0x640
[  866.746553]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  866.751593]  ? find_held_lock+0x36/0x1c0
[  866.755694]  ? ____cache_alloc_node+0x1c7/0x1e0
[  866.760368]  ? lock_downgrade+0x900/0x900
[  866.764530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.770076]  cache_grow_begin+0xa5/0x8c0
[  866.774136]  ? do_raw_spin_unlock+0xa7/0x330
[  866.778555]  fallback_alloc+0x204/0x2e0
[  866.782549]  ____cache_alloc_node+0x1c7/0x1e0
[  866.787051]  kmem_cache_alloc_node+0xe3/0x730
[  866.791555]  ? lockdep_hardirqs_on+0x296/0x5b0
[  866.796160]  __alloc_skb+0x119/0x770
[  866.799888]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  866.805282]  ? netdev_alloc_frag+0x1f0/0x1f0
[  866.809709]  ? vprintk_default+0x28/0x30
[  866.813771]  ? vprintk_func+0x85/0x181
[  866.817688]  ? printk+0xa7/0xcf
[  866.820985]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  866.825754]  new_skb+0x26/0x1c0
[  866.829038]  aoecmd_cfg+0x279/0x7f0
[  866.832808]  ? find_held_lock+0x36/0x1c0
[  866.836873]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  866.841198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.846746]  ? __lock_is_held+0xb5/0x140
[  866.850824]  discover_timer+0x50/0x60
[  866.854624]  call_timer_fn+0x272/0x920
[  866.858521]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  866.863375]  ? process_timeout+0x40/0x40
[  866.867460]  ? mark_held_locks+0xc7/0x130
[  866.871624]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.876118]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.880653]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  866.885496]  ? lockdep_hardirqs_on+0x296/0x5b0
[  866.890082]  ? trace_hardirqs_on+0xbd/0x310
[  866.894436]  ? kasan_check_read+0x11/0x20
[  866.898595]  ? __run_timers+0x7da/0xc70
[  866.902571]  ? trace_hardirqs_off_caller+0x310/0x310
[  866.907687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  866.912527]  __run_timers+0x7e5/0xc70
[  866.916340]  ? timer_fixup_init+0x70/0x70
[  866.920495]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  866.925510]  ? zap_class+0x640/0x640
[  866.929230]  ? print_usage_bug+0xc0/0xc0
[  866.933291]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  866.938509]  ? find_held_lock+0x36/0x1c0
[  866.942580]  ? zap_class+0x640/0x640
[  866.946303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.951847]  ? check_preemption_disabled+0x48/0x280
[  866.956888]  ? __lock_is_held+0xb5/0x140
[  866.960964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.966500]  ? check_preemption_disabled+0x48/0x280
[  866.971524]  run_timer_softirq+0x52/0xb0
[  866.975589]  ? rcu_read_lock_sched_held+0x14f/0x180
[  866.980609]  __do_softirq+0x308/0xb7e
[  866.984429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  866.988943]  ? lock_downgrade+0x900/0x900
[  866.993096]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  866.998208]  ? pvclock_read_flags+0x160/0x160
[  867.002706]  ? lapic_next_event+0x5a/0x90
[  867.006857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.012409]  ? kvm_clock_read+0x18/0x30
[  867.016393]  ? kvm_sched_clock_read+0x9/0x20
[  867.020842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.026381]  ? check_preemption_disabled+0x48/0x280
[  867.031435]  irq_exit+0x17f/0x1c0
[  867.034895]  smp_apic_timer_interrupt+0x1cb/0x760
[  867.039739]  ? smp_reschedule_interrupt+0x109/0x650
[  867.044757]  ? smp_call_function_single_interrupt+0x650/0x650
[  867.050647]  ? interrupt_entry+0xb5/0xc0
[  867.054710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  867.059731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  867.064767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  867.069609]  ? trace_hardirqs_on_caller+0x310/0x310
[  867.074624]  ? trace_hardirqs_on_caller+0x310/0x310
[  867.079653]  ? task_prio+0x50/0x50
[  867.083196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.088750]  ? check_preemption_disabled+0x48/0x280
[  867.093772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  867.098623]  apic_timer_interrupt+0xf/0x20
[  867.102849]  </IRQ>
[  867.105083] RIP: 0010:dump_stack+0x358/0x39d
[  867.109497] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  867.128392] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  867.136110] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  867.143376] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  867.150656] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  867.157923] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  867.165192] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  867.172497]  ? dump_stack+0x34f/0x39d
[  867.176327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  867.181536]  ? mark_held_locks+0x130/0x130
[  867.185773]  ? mark_held_locks+0x130/0x130
[  867.190017]  dump_header+0x27b/0xf72
[  867.193745]  ? pagefault_out_of_memory+0x197/0x197
[  867.198682]  ? __lock_acquire+0x62f/0x4c20
[  867.202919]  ? percpu_ref_get_many+0x240/0x240
[  867.207505]  ? print_usage_bug+0xc0/0xc0
[  867.211572]  ? zap_class+0x640/0x640
[  867.215318]  ? print_usage_bug+0xc0/0xc0
[  867.219380]  ? print_usage_bug+0xc0/0xc0
[  867.223453]  ? zap_class+0x640/0x640
[  867.227171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.232726]  ? find_held_lock+0x36/0x1c0
[  867.236833]  ? mark_held_locks+0xc7/0x130
[  867.240986]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  867.246088]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  867.251192]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  867.255784]  ? trace_hardirqs_on+0xbd/0x310
[  867.260105]  ? kasan_check_read+0x11/0x20
[  867.264254]  ? ___ratelimit+0x3b4/0x672
[  867.268232]  ? trace_hardirqs_off_caller+0x310/0x310
[  867.273340]  ? trace_hardirqs_on+0x310/0x310
[  867.277790]  ? lock_downgrade+0x900/0x900
[  867.281961]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  867.287064]  ? ___ratelimit+0x3b9/0x672
[  867.291043]  ? idr_get_free+0xf80/0xf80
[  867.295013]  ? find_held_lock+0x36/0x1c0
[  867.299088]  oom_kill_process.cold.27+0x10/0x903
[  867.303848]  ? zap_class+0x640/0x640
[  867.307566]  ? check_preemption_disabled+0x48/0x280
[  867.312590]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  867.317523]  ? kasan_check_read+0x11/0x20
[  867.321672]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.326955]  ? oom_evaluate_task+0x540/0x540
[  867.331374]  ? find_held_lock+0x36/0x1c0
[  867.335459]  ? out_of_memory+0x974/0x1430
[  867.339616]  ? lock_downgrade+0x900/0x900
[  867.343766]  ? check_preemption_disabled+0x48/0x280
[  867.348789]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  867.353717]  ? kasan_check_read+0x11/0x20
[  867.357863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.363138]  ? rcu_softirq_qs+0x20/0x20
[  867.367117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.372667]  ? oom_evaluate_task+0x302/0x540
[  867.377106]  out_of_memory+0xa84/0x1430
[  867.381091]  ? oom_killer_disable+0x3a0/0x3a0
[  867.385592]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  867.390525]  ? __ww_mutex_check_waiters+0x160/0x160
[  867.395556]  __alloc_pages_slowpath+0x2354/0x2e10
[  867.400446]  ? warn_alloc+0x120/0x120
[  867.404250]  ? mark_held_locks+0x130/0x130
[  867.408491]  ? find_get_entry+0xaae/0x1120
[  867.412735]  ? filemap_map_pages+0x1a20/0x1a20
[  867.417325]  ? zap_class+0x640/0x640
[  867.421048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.426587]  ? check_preemption_disabled+0x48/0x280
[  867.431607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.437144]  ? should_fail+0x22d/0xd01
[  867.441039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  867.446140]  ? zap_class+0x640/0x640
[  867.449875]  ? __lock_is_held+0xb5/0x140
[  867.453943]  ? mark_held_locks+0x130/0x130
[  867.458184]  ? lock_release+0xa00/0xa00
[  867.462192]  ? perf_trace_sched_process_exec+0x860/0x860
[  867.467646]  ? xa_load+0x2ba/0x460
[  867.471188]  ? lock_downgrade+0x900/0x900
[  867.475352]  ? __might_sleep+0x95/0x190
[  867.479332]  __alloc_pages_nodemask+0xa80/0xde0
[  867.484016]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  867.489033]  ? __page_cache_alloc+0x191/0x5c0
[  867.493523]  ? xa_load+0x2e1/0x460
[  867.497068]  ? xa_clear_mark+0x40/0x40
[  867.500956]  ? zap_class+0x640/0x640
[  867.504681]  ? zap_class+0x640/0x640
[  867.508394]  ? zap_class+0x640/0x640
[  867.512141]  ? __do_page_cache_readahead+0x663/0x810
[  867.517253]  ? find_held_lock+0x36/0x1c0
[  867.521320]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  867.526858]  alloc_pages_current+0x173/0x350
[  867.531270]  __page_cache_alloc+0x38c/0x5c0
[  867.535593]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  867.540520]  ? kasan_check_read+0x11/0x20
[  867.544669]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.549945]  ? generic_perform_write+0x6a0/0x6a0
[  867.554706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.560245]  ? check_preemption_disabled+0x48/0x280
[  867.565271]  filemap_fault+0x1595/0x25f0
[  867.569346]  ? __lock_page_or_retry+0xa00/0xa00
[  867.574022]  ? mark_held_locks+0x130/0x130
[  867.578266]  ? filemap_map_pages+0xd6b/0x1a20
[  867.582780]  ? lock_downgrade+0x900/0x900
[  867.586929]  ? check_preemption_disabled+0x48/0x280
[  867.591949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  867.596920]  ? kasan_check_read+0x11/0x20
[  867.601069]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.606355]  ? rcu_softirq_qs+0x20/0x20
[  867.610346]  ? filemap_map_pages+0xd92/0x1a20
[  867.614857]  ? find_get_entries_tag+0x1400/0x1400
[  867.619700]  ? debug_object_destroy+0x2b0/0x2b0
[  867.624372]  ? lock_pi_update_atomic+0x150/0x150
[  867.629127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.634677]  ? lock_acquire+0x1ed/0x520
[  867.638649]  ? ext4_filemap_fault+0x7a/0xad
[  867.642980]  ? lock_release+0xa00/0xa00
[  867.646955]  ? perf_trace_sched_process_exec+0x860/0x860
[  867.652419]  ? print_usage_bug+0xc0/0xc0
[  867.656483]  ? print_usage_bug+0xc0/0xc0
[  867.660569]  ? down_read+0x8d/0x120
[  867.664196]  ? ext4_filemap_fault+0x7a/0xad
[  867.668519]  ? __down_interruptible+0x700/0x700
[  867.673215]  ext4_filemap_fault+0x82/0xad
[  867.677366]  __do_fault+0x100/0x6b0
[  867.681002]  ? find_held_lock+0x36/0x1c0
[  867.685069]  ? pmd_devmap_trans_unstable+0x220/0x220
[  867.690174]  ? mark_held_locks+0x130/0x130
[  867.694438]  ? mark_held_locks+0x130/0x130
[  867.698678]  ? _raw_spin_unlock_irq+0x27/0x80
[  867.703172]  ? _raw_spin_unlock_irq+0x27/0x80
[  867.707683]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  867.712265]  ? kasan_check_read+0x11/0x20
[  867.716424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.721969]  __handle_mm_fault+0x3ea6/0x5be0
[  867.726389]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  867.731251]  ? finish_task_switch+0x1f4/0x910
[  867.735744]  ? finish_task_switch+0x1b4/0x910
[  867.740250]  ? __switch_to_asm+0x34/0x70
[  867.744318]  ? preempt_notifier_register+0x200/0x200
[  867.749442]  ? __switch_to_asm+0x34/0x70
[  867.753508]  ? __switch_to_asm+0x34/0x70
[  867.757585]  ? zap_class+0x640/0x640
[  867.761298]  ? zap_class+0x640/0x640
[  867.765030]  ? __x64_sys_futex+0x53e/0x6a0
[  867.769267]  ? find_held_lock+0x36/0x1c0
[  867.773349]  ? handle_mm_fault+0x42a/0xc70
[  867.777584]  ? lock_downgrade+0x900/0x900
[  867.781734]  ? check_preemption_disabled+0x48/0x280
[  867.786758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  867.791685]  ? kasan_check_read+0x11/0x20
[  867.795835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.801112]  ? rcu_softirq_qs+0x20/0x20
[  867.805091]  ? trace_hardirqs_off_caller+0x310/0x310
[  867.810199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.815742]  ? check_preemption_disabled+0x48/0x280
[  867.820769]  handle_mm_fault+0x54f/0xc70
[  867.824850]  ? __handle_mm_fault+0x5be0/0x5be0
[  867.829455]  ? find_vma+0x34/0x190
[  867.833005]  __do_page_fault+0x5e8/0xe60
[  867.837068]  ? trace_hardirqs_off+0xb8/0x310
[  867.841488]  do_page_fault+0xf2/0x7e0
[  867.845312]  ? vmalloc_sync_all+0x30/0x30
[  867.849460]  ? error_entry+0x70/0xd0
[  867.853179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  867.858192]  ? trace_hardirqs_on_caller+0xc0/0x310
[  867.863123]  ? syscall_return_slowpath+0x5e0/0x5e0
[  867.868054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  867.872898]  ? trace_hardirqs_on_caller+0x310/0x310
[  867.877915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  867.883374]  ? prepare_exit_to_usermode+0x291/0x3b0
[  867.888420]  ? page_fault+0x8/0x30
[  867.891966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  867.896815]  ? page_fault+0x8/0x30
[  867.900356]  page_fault+0x1e/0x30
[  867.903809] RIP: 0033:0x45ddf3
[  867.907015] Code: Bad RIP value.
[  867.910373] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  867.915750] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  867.923016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  867.930281] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  867.937552] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  867.944820] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  867.952121] warn_alloc_show_mem: 1 callbacks suppressed
[  867.952144] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  867.952146] Mem-Info:
[  867.952178] active_anon:53034 inactive_anon:131 isolated_anon:0
[  867.952178]  active_file:14 inactive_file:14 isolated_file:0
[  867.952178]  unevictable:0 dirty:0 writeback:0 unstable:0
[  867.952178]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  867.952178]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  867.952178]  free:13749 free_pcp:564 free_cma:0
[  867.957523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  867.964545] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  867.966947] Call Trace:
[  867.999901] 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
[  868.009250]  <IRQ>
[  868.036644] lowmem_reserve[]: 0 2818 6321 6321
[  868.039235]  dump_stack+0x244/0x39d
[  868.065321] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  868.067468]  ? dump_stack_print_info.cold.1+0x20/0x20
[  868.072029] lowmem_reserve[]: 0 0 3503 3503
[  868.075685]  warn_alloc.cold.116+0xb7/0x1bd
[  868.103152] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  868.108347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  868.112646] lowmem_reserve[]: 0 0 0 0
[  868.116965]  ? lock_downgrade+0x900/0x900
[  868.146002] 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
[  868.150845]  ? trace_hardirqs_off+0xb8/0x310
[  868.154625] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  868.158772]  ? trace_hardirqs_off+0xb8/0x310
[  868.172271] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  868.176685]  __alloc_pages_slowpath+0x26e8/0x2e10
[  868.191887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  868.196325]  ? warn_alloc+0x120/0x120
[  868.211722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  868.216562]  ? warn_alloc+0x120/0x120
[  868.225387] 166 total pagecache pages
[  868.229198]  ? warn_alloc+0x120/0x120
[  868.237762] 0 pages in swap cache
[  868.241553]  ? print_usage_bug+0xc0/0xc0
[  868.245351] Swap cache stats: add 0, delete 0, find 0/0
[  868.249140]  ? print_usage_bug+0xc0/0xc0
[  868.252575] Free swap  = 0kB
[  868.256638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  868.261976] Total swap = 0kB
[  868.266033]  ? should_fail+0x22d/0xd01
[  868.269032] 1965979 pages RAM
[  868.274564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  868.277571] 0 pages HighMem/MovableOnly
[  868.277580] 342858 pages reserved
[  868.281488]  ? __lock_acquire+0x62f/0x4c20
[  868.284591] 0 pages cma reserved
[  868.284660] aoe: skb alloc failure
[  868.289712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  868.289725]  ? should_fail+0x22d/0xd01
[  868.289743]  ? mark_held_locks+0x130/0x130
[  868.293749] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  868.297149]  ? mark_held_locks+0x130/0x130
[  868.301372] syz-fuzzer cpuset=/ mems_allowed=0
[  868.304753]  ? mark_held_locks+0x130/0x130
[  868.344700]  ? __lock_acquire+0x62f/0x4c20
[  868.348943]  ? print_usage_bug+0xc0/0xc0
[  868.353010]  ? __lock_acquire+0x62f/0x4c20
[  868.357248]  ? rcu_softirq_qs+0x20/0x20
[  868.361229]  ? zap_class+0x640/0x640
[  868.364953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.370500]  ? check_preemption_disabled+0x48/0x280
[  868.375526]  ? __lock_is_held+0xb5/0x140
[  868.379597]  __alloc_pages_nodemask+0xa80/0xde0
[  868.384280]  ? zap_class+0x640/0x640
[  868.388000]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  868.393028]  ? find_held_lock+0x36/0x1c0
[  868.397101]  ? ____cache_alloc_node+0x1c7/0x1e0
[  868.401775]  ? lock_downgrade+0x900/0x900
[  868.405941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.411497]  cache_grow_begin+0xa5/0x8c0
[  868.415565]  ? do_raw_spin_unlock+0xa7/0x330
[  868.419982]  fallback_alloc+0x204/0x2e0
[  868.423994]  ____cache_alloc_node+0x1c7/0x1e0
[  868.428500]  kmem_cache_alloc_node+0xe3/0x730
[  868.433008]  __alloc_skb+0x119/0x770
[  868.436729]  ? mod_timer+0x62c/0x1560
[  868.440566]  ? netdev_alloc_frag+0x1f0/0x1f0
[  868.444984]  ? mark_held_locks+0x130/0x130
[  868.449221]  ? __lock_acquire+0x62f/0x4c20
[  868.453467]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  868.458491]  __br_mdb_notify+0x4ff/0x15d0
[  868.462655]  ? __br_mdb_add+0x7f0/0x7f0
[  868.466642]  ? zap_class+0x640/0x640
[  868.470367]  ? lock_acquire+0x1ed/0x520
[  868.474351]  ? br_multicast_group_expired+0x96/0x610
[  868.479468]  br_mdb_notify+0x310/0x410
[  868.483358]  ? br_mdb_dump+0x27b0/0x27b0
[  868.487433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.492983]  br_multicast_group_expired+0x1bc/0x610
[  868.498025]  ? br_mdb_free+0x80/0x80
[  868.501778]  call_timer_fn+0x272/0x920
[  868.505676]  ? br_mdb_free+0x80/0x80
[  868.509395]  ? process_timeout+0x40/0x40
[  868.513481]  ? __run_timers+0x7da/0xc70
[  868.517464]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.521962]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.526456]  ? br_mdb_free+0x80/0x80
[  868.530170]  ? lockdep_hardirqs_on+0x296/0x5b0
[  868.534755]  ? trace_hardirqs_on+0xbd/0x310
[  868.539078]  ? kasan_check_read+0x11/0x20
[  868.543227]  ? __run_timers+0x7da/0xc70
[  868.547205]  ? trace_hardirqs_off_caller+0x310/0x310
[  868.552323]  ? br_mdb_free+0x80/0x80
[  868.556035]  __run_timers+0x7e5/0xc70
[  868.559848]  ? timer_fixup_init+0x70/0x70
[  868.564000]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  868.569016]  ? zap_class+0x640/0x640
[  868.572735]  ? enqueue_hrtimer+0x1a5/0x560
[  868.576970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  868.582174]  ? find_held_lock+0x36/0x1c0
[  868.586238]  ? zap_class+0x640/0x640
[  868.589959]  ? pvclock_read_flags+0x160/0x160
[  868.594468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.600012]  ? check_preemption_disabled+0x48/0x280
[  868.605035]  ? __lock_is_held+0xb5/0x140
[  868.609113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.614655]  ? check_preemption_disabled+0x48/0x280
[  868.619674]  run_timer_softirq+0x52/0xb0
[  868.623738]  ? rcu_read_lock_sched_held+0x14f/0x180
[  868.628757]  __do_softirq+0x308/0xb7e
[  868.632563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  868.637061]  ? lock_downgrade+0x900/0x900
[  868.641211]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  868.646322]  ? pvclock_read_flags+0x160/0x160
[  868.650820]  ? lapic_next_event+0x5a/0x90
[  868.654988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.660533]  ? kvm_clock_read+0x18/0x30
[  868.664507]  ? kvm_sched_clock_read+0x9/0x20
[  868.668938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.674476]  ? check_preemption_disabled+0x48/0x280
[  868.679515]  irq_exit+0x17f/0x1c0
[  868.683495]  smp_apic_timer_interrupt+0x1cb/0x760
[  868.688342]  ? smp_reschedule_interrupt+0x109/0x650
[  868.693362]  ? smp_call_function_single_interrupt+0x650/0x650
[  868.699251]  ? interrupt_entry+0xb5/0xc0
[  868.703321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  868.708335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  868.713352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  868.718208]  ? trace_hardirqs_on_caller+0x310/0x310
[  868.723423]  ? trace_hardirqs_on_caller+0x310/0x310
[  868.728447]  ? task_prio+0x50/0x50
[  868.732006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.737576]  ? check_preemption_disabled+0x48/0x280
[  868.742602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  868.747471]  apic_timer_interrupt+0xf/0x20
[  868.751705]  </IRQ>
[  868.753951] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  868.759837] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  868.778744] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  868.786474] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  868.793748] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  868.801018] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  868.808283] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  868.815554] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  868.822869]  ? save_stack+0xa9/0xd0
[  868.826511]  __kmalloc_node_track_caller+0x3c/0x70
[  868.831958]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  868.836722]  pskb_expand_head+0x230/0x10f0
[  868.840976]  ? check_preemption_disabled+0x48/0x280
[  868.845993]  ? memcpy+0x45/0x50
[  868.849277]  ? __copy_skb_header+0x350/0x6b0
[  868.853685]  ? skb_release_data+0x880/0x880
[  868.858023]  ? __alloc_skb+0x770/0x770
[  868.861931]  ? __lock_is_held+0xb5/0x140
[  868.866004]  ? kasan_check_write+0x14/0x20
[  868.870236]  ? __skb_clone+0x6c7/0xa00
[  868.874125]  ? __copy_skb_header+0x6b0/0x6b0
[  868.878537]  ? kmem_cache_alloc+0x33a/0x730
[  868.882872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.888442]  skb_ensure_writable+0x3dd/0x640
[  868.892860]  ? skb_checksum_setup+0xaa0/0xaa0
[  868.897371]  ? preempt_notifier_register+0x200/0x200
[  868.902507]  ? __switch_to_asm+0x34/0x70
[  868.906569]  ? __switch_to_asm+0x34/0x70
[  868.910633]  ? __switch_to_asm+0x40/0x70
[  868.914698]  ? __switch_to_asm+0x34/0x70
[  868.918774]  ? __switch_to_asm+0x40/0x70
[  868.922866]  ? __switch_to_asm+0x40/0x70
[  868.926930]  ? __switch_to_asm+0x34/0x70
[  868.930991]  ? __switch_to_asm+0x34/0x70
[  868.935052]  ? __switch_to_asm+0x40/0x70
[  868.939117]  ? __switch_to_asm+0x34/0x70
[  868.943188]  bpf_clone_redirect+0x14a/0x490
[  868.947520]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  868.952556]  ? __sched_text_start+0x8/0x8
[  868.956719]  ? retint_kernel+0x2d/0x2d
[  868.960617]  ? find_held_lock+0x36/0x1c0
[  868.964697]  ? lock_acquire+0x1ed/0x520
[  868.968674]  ? bpf_test_run+0x3cb/0x780
[  868.972666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.978208]  ? check_preemption_disabled+0x48/0x280
[  868.983235]  ? kasan_check_read+0x11/0x20
[  868.987398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  868.992704]  ? rcu_softirq_qs+0x20/0x20
[  868.996699]  ? preempt_schedule+0x4d/0x60
[  869.000871]  ? ___preempt_schedule+0x16/0x18
[  869.005289]  ? bpf_test_run+0x25d/0x780
[  869.009276]  ? netlink_diag_dump+0x2a0/0x2a0
[  869.013689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.019229]  ? bpf_test_init.isra.10+0x70/0x100
[  869.023923]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  869.028694]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  869.033554]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  869.039122]  ? fput+0x130/0x1a0
[  869.042432]  ? __bpf_prog_get+0x9b/0x290
[  869.046517]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  869.051362]  ? bpf_prog_test_run+0x130/0x1a0
[  869.055779]  ? __x64_sys_bpf+0x3d8/0x520
[  869.059847]  ? bpf_prog_get+0x20/0x20
[  869.063689]  ? do_syscall_64+0x1b9/0x820
[  869.067763]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  869.073159]  ? syscall_return_slowpath+0x5e0/0x5e0
[  869.078099]  ? trace_hardirqs_on_caller+0x310/0x310
[  869.083124]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  869.088164]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  869.094841]  ? __switch_to_asm+0x40/0x70
[  869.098907]  ? __switch_to_asm+0x34/0x70
[  869.102991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  869.107847]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  869.113247] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  869.113464] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  869.119944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  869.130418] syz-executor0 cpuset=syz0 mems_allowed=0
[  869.139778] Call Trace:
[  869.147446]  <IRQ>
[  869.149598]  dump_stack+0x244/0x39d
[  869.153231]  ? dump_stack_print_info.cold.1+0x20/0x20
[  869.158452]  warn_alloc.cold.116+0xb7/0x1bd
[  869.162783]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  869.167634]  ? lock_downgrade+0x900/0x900
[  869.171818]  ? trace_hardirqs_off+0xb8/0x310
[  869.176259]  ? trace_hardirqs_off+0xb8/0x310
[  869.180692]  __alloc_pages_slowpath+0x26e8/0x2e10
[  869.185568]  ? warn_alloc+0x120/0x120
[  869.189381]  ? warn_alloc+0x120/0x120
[  869.193203]  ? warn_alloc+0x120/0x120
[  869.197006]  ? mark_held_locks+0x130/0x130
[  869.201253]  ? print_usage_bug+0xc0/0xc0
[  869.205321]  ? print_usage_bug+0xc0/0xc0
[  869.209392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.214953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.220498]  ? should_fail+0x22d/0xd01
[  869.224392]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  869.229518]  ? __lock_acquire+0x62f/0x4c20
[  869.233760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  869.238864]  ? __lock_acquire+0x62f/0x4c20
[  869.243098]  ? should_fail+0x22d/0xd01
[  869.246997]  ? mark_held_locks+0x130/0x130
[  869.251243]  ? mark_held_locks+0x130/0x130
[  869.255485]  ? trace_hardirqs_on+0x310/0x310
[  869.259900]  ? wq_watchdog_touch+0x9c/0xfe
[  869.264142]  ? zap_class+0x640/0x640
[  869.267860]  ? print_usage_bug+0xc0/0xc0
[  869.271927]  ? find_held_lock+0x36/0x1c0
[  869.275996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.281543]  ? check_preemption_disabled+0x48/0x280
[  869.286576]  ? __lock_is_held+0xb5/0x140
[  869.290649]  __alloc_pages_nodemask+0xa80/0xde0
[  869.295323]  ? zap_class+0x640/0x640
[  869.299047]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  869.304100]  ? find_held_lock+0x36/0x1c0
[  869.308183]  ? ____cache_alloc_node+0x1c7/0x1e0
[  869.312858]  ? lock_downgrade+0x900/0x900
[  869.317017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.322560]  cache_grow_begin+0xa5/0x8c0
[  869.326627]  ? do_raw_spin_unlock+0xa7/0x330
[  869.331051]  fallback_alloc+0x204/0x2e0
[  869.335033]  ____cache_alloc_node+0x1c7/0x1e0
[  869.339540]  kmem_cache_alloc_node+0xe3/0x730
[  869.344035]  ? ipv6_get_ifaddr+0x42e/0x620
[  869.348293]  __alloc_skb+0x119/0x770
[  869.352027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.357334]  ? netdev_alloc_frag+0x1f0/0x1f0
[  869.361759]  ? lock_downgrade+0x900/0x900
[  869.365919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.371463]  ? refcount_sub_and_test_checked+0x203/0x310
[  869.376925]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  869.382372]  ? addrconf_rs_timer+0x690/0x690
[  869.386808]  ndisc_alloc_skb+0x144/0x340
[  869.390872]  ndisc_send_rs+0x331/0x6e0
[  869.394768]  addrconf_rs_timer+0x314/0x690
[  869.399013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  869.403263]  call_timer_fn+0x272/0x920
[  869.407159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  869.411424]  ? process_timeout+0x40/0x40
[  869.415509]  ? mark_held_locks+0xc7/0x130
[  869.419665]  ? _raw_spin_unlock_irq+0x27/0x80
[  869.424163]  ? _raw_spin_unlock_irq+0x27/0x80
[  869.428657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  869.432896]  ? lockdep_hardirqs_on+0x296/0x5b0
[  869.437488]  ? trace_hardirqs_on+0xbd/0x310
[  869.441815]  ? kasan_check_read+0x11/0x20
[  869.445963]  ? __run_timers+0x7da/0xc70
[  869.449941]  ? trace_hardirqs_off_caller+0x310/0x310
[  869.455054]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  869.459904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  869.464143]  __run_timers+0x7e5/0xc70
[  869.467956]  ? timer_fixup_init+0x70/0x70
[  869.472109]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  869.477148]  ? zap_class+0x640/0x640
[  869.480884]  ? print_usage_bug+0xc0/0xc0
[  869.484963]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  869.490162]  ? find_held_lock+0x36/0x1c0
[  869.494244]  ? zap_class+0x640/0x640
[  869.497965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.503511]  ? check_preemption_disabled+0x48/0x280
[  869.508564]  ? __lock_is_held+0xb5/0x140
[  869.512627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.518168]  ? check_preemption_disabled+0x48/0x280
[  869.523191]  run_timer_softirq+0x52/0xb0
[  869.527253]  ? rcu_read_lock_sched_held+0x14f/0x180
[  869.532271]  __do_softirq+0x308/0xb7e
[  869.536090]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  869.540618]  ? lock_downgrade+0x900/0x900
[  869.544796]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  869.549908]  ? pvclock_read_flags+0x160/0x160
[  869.554457]  ? lapic_next_event+0x5a/0x90
[  869.558608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.564156]  ? kvm_clock_read+0x18/0x30
[  869.568134]  ? kvm_sched_clock_read+0x9/0x20
[  869.572574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.578113]  ? check_preemption_disabled+0x48/0x280
[  869.583136]  irq_exit+0x17f/0x1c0
[  869.586636]  smp_apic_timer_interrupt+0x1cb/0x760
[  869.591494]  ? smp_reschedule_interrupt+0x109/0x650
[  869.596517]  ? smp_call_function_single_interrupt+0x650/0x650
[  869.602409]  ? interrupt_entry+0xb5/0xc0
[  869.606478]  ? trace_hardirqs_off_caller+0xbb/0x310
[  869.611496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  869.616565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  869.621422]  ? trace_hardirqs_on_caller+0x310/0x310
[  869.626446]  ? trace_hardirqs_on_caller+0x310/0x310
[  869.631486]  ? task_prio+0x50/0x50
[  869.635056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.640620]  ? check_preemption_disabled+0x48/0x280
[  869.645645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  869.650496]  apic_timer_interrupt+0xf/0x20
[  869.654725]  </IRQ>
[  869.656974] RIP: 0010:dump_stack+0x358/0x39d
[  869.661398] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  869.680312] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  869.688019] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  869.695285] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  869.702553] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  869.709819] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  869.717107] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  869.724390]  ? dump_stack+0x34f/0x39d
[  869.728214]  ? dump_stack_print_info.cold.1+0x20/0x20
[  869.733419]  ? mark_held_locks+0x130/0x130
[  869.737656]  ? mark_held_locks+0x130/0x130
[  869.741897]  dump_header+0x27b/0xf72
[  869.745634]  ? pagefault_out_of_memory+0x197/0x197
[  869.750572]  ? __lock_acquire+0x62f/0x4c20
[  869.754809]  ? percpu_ref_get_many+0x240/0x240
[  869.759418]  ? print_usage_bug+0xc0/0xc0
[  869.763515]  ? zap_class+0x640/0x640
[  869.767259]  ? print_usage_bug+0xc0/0xc0
[  869.771317]  ? print_usage_bug+0xc0/0xc0
[  869.775376]  ? zap_class+0x640/0x640
[  869.779101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.784660]  ? find_held_lock+0x36/0x1c0
[  869.788734]  ? mark_held_locks+0xc7/0x130
[  869.792886]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  869.797991]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  869.803095]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  869.807690]  ? trace_hardirqs_on+0xbd/0x310
[  869.812013]  ? kasan_check_read+0x11/0x20
[  869.816163]  ? ___ratelimit+0x3b4/0x672
[  869.820139]  ? trace_hardirqs_off_caller+0x310/0x310
[  869.825244]  ? trace_hardirqs_on+0x310/0x310
[  869.829678]  ? lock_downgrade+0x900/0x900
[  869.833848]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  869.838979]  ? ___ratelimit+0x3b9/0x672
[  869.842959]  ? idr_get_free+0xf80/0xf80
[  869.846932]  ? find_held_lock+0x36/0x1c0
[  869.851006]  oom_kill_process.cold.27+0x10/0x903
[  869.855769]  ? zap_class+0x640/0x640
[  869.859486]  ? check_preemption_disabled+0x48/0x280
[  869.864507]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  869.869453]  ? kasan_check_read+0x11/0x20
[  869.873601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.878882]  ? oom_evaluate_task+0x540/0x540
[  869.883300]  ? find_held_lock+0x36/0x1c0
[  869.887371]  ? out_of_memory+0x974/0x1430
[  869.891528]  ? lock_downgrade+0x900/0x900
[  869.895701]  ? check_preemption_disabled+0x48/0x280
[  869.900737]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  869.905668]  ? kasan_check_read+0x11/0x20
[  869.909814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.915091]  ? rcu_softirq_qs+0x20/0x20
[  869.919088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.924635]  ? oom_evaluate_task+0x302/0x540
[  869.929046]  out_of_memory+0xa84/0x1430
[  869.933043]  ? oom_killer_disable+0x3a0/0x3a0
[  869.937576]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  869.942537]  ? __ww_mutex_check_waiters+0x160/0x160
[  869.947578]  __alloc_pages_slowpath+0x2354/0x2e10
[  869.952463]  ? warn_alloc+0x120/0x120
[  869.956276]  ? mark_held_locks+0x130/0x130
[  869.960520]  ? find_get_entry+0xaae/0x1120
[  869.964769]  ? filemap_map_pages+0x1a20/0x1a20
[  869.969374]  ? zap_class+0x640/0x640
[  869.973133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.978689]  ? check_preemption_disabled+0x48/0x280
[  869.983710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.989255]  ? should_fail+0x22d/0xd01
[  869.993153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  869.998258]  ? zap_class+0x640/0x640
[  870.002001]  ? __lock_is_held+0xb5/0x140
[  870.006076]  ? mark_held_locks+0x130/0x130
[  870.010333]  ? lock_release+0xa00/0xa00
[  870.014313]  ? perf_trace_sched_process_exec+0x860/0x860
[  870.019855]  ? xa_load+0x2ba/0x460
[  870.023395]  ? lock_downgrade+0x900/0x900
[  870.027588]  ? __might_sleep+0x95/0x190
[  870.031581]  __alloc_pages_nodemask+0xa80/0xde0
[  870.036272]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  870.041289]  ? __page_cache_alloc+0x191/0x5c0
[  870.045784]  ? xa_load+0x2e1/0x460
[  870.049322]  ? xa_clear_mark+0x40/0x40
[  870.053224]  ? zap_class+0x640/0x640
[  870.056945]  ? zap_class+0x640/0x640
[  870.060660]  ? zap_class+0x640/0x640
[  870.064378]  ? __do_page_cache_readahead+0x663/0x810
[  870.069497]  ? find_held_lock+0x36/0x1c0
[  870.073564]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  870.079109]  alloc_pages_current+0x173/0x350
[  870.083530]  __page_cache_alloc+0x38c/0x5c0
[  870.087858]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  870.092786]  ? kasan_check_read+0x11/0x20
[  870.096936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  870.102236]  ? generic_perform_write+0x6a0/0x6a0
[  870.106998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.112566]  ? check_preemption_disabled+0x48/0x280
[  870.117631]  filemap_fault+0x1595/0x25f0
[  870.121710]  ? __lock_page_or_retry+0xa00/0xa00
[  870.126429]  ? mark_held_locks+0x130/0x130
[  870.130686]  ? filemap_map_pages+0xd6b/0x1a20
[  870.135227]  ? lock_downgrade+0x900/0x900
[  870.139376]  ? check_preemption_disabled+0x48/0x280
[  870.144421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  870.149365]  ? kasan_check_read+0x11/0x20
[  870.153565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  870.158845]  ? rcu_softirq_qs+0x20/0x20
[  870.162834]  ? filemap_map_pages+0xd92/0x1a20
[  870.167362]  ? find_get_entries_tag+0x1400/0x1400
[  870.172211]  ? debug_object_destroy+0x2b0/0x2b0
[  870.176894]  ? lock_pi_update_atomic+0x150/0x150
[  870.181663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.187241]  ? lock_acquire+0x1ed/0x520
[  870.191232]  ? ext4_filemap_fault+0x7a/0xad
[  870.195564]  ? lock_release+0xa00/0xa00
[  870.199550]  ? perf_trace_sched_process_exec+0x860/0x860
[  870.205015]  ? print_usage_bug+0xc0/0xc0
[  870.209082]  ? print_usage_bug+0xc0/0xc0
[  870.213159]  ? down_read+0x8d/0x120
[  870.216783]  ? ext4_filemap_fault+0x7a/0xad
[  870.221107]  ? __down_interruptible+0x700/0x700
[  870.225819]  ext4_filemap_fault+0x82/0xad
[  870.229981]  __do_fault+0x100/0x6b0
[  870.233605]  ? find_held_lock+0x36/0x1c0
[  870.237688]  ? pmd_devmap_trans_unstable+0x220/0x220
[  870.242800]  ? mark_held_locks+0x130/0x130
[  870.247037]  ? mark_held_locks+0x130/0x130
[  870.251274]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.255768]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.260286]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  870.264871]  ? kasan_check_read+0x11/0x20
[  870.269023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.274573]  __handle_mm_fault+0x3ea6/0x5be0
[  870.278996]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  870.283845]  ? finish_task_switch+0x1f4/0x910
[  870.288364]  ? finish_task_switch+0x1b4/0x910
[  870.292861]  ? __switch_to_asm+0x34/0x70
[  870.296929]  ? preempt_notifier_register+0x200/0x200
[  870.302030]  ? __switch_to_asm+0x34/0x70
[  870.306092]  ? __switch_to_asm+0x34/0x70
[  870.310169]  ? zap_class+0x640/0x640
[  870.313881]  ? zap_class+0x640/0x640
[  870.317605]  ? __x64_sys_futex+0x53e/0x6a0
[  870.321862]  ? find_held_lock+0x36/0x1c0
[  870.325948]  ? handle_mm_fault+0x42a/0xc70
[  870.330186]  ? lock_downgrade+0x900/0x900
[  870.334343]  ? check_preemption_disabled+0x48/0x280
[  870.339363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  870.344291]  ? kasan_check_read+0x11/0x20
[  870.348441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  870.353730]  ? rcu_softirq_qs+0x20/0x20
[  870.357722]  ? trace_hardirqs_off_caller+0x310/0x310
[  870.362839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.368377]  ? check_preemption_disabled+0x48/0x280
[  870.373423]  handle_mm_fault+0x54f/0xc70
[  870.377514]  ? __handle_mm_fault+0x5be0/0x5be0
[  870.382098]  ? find_vma+0x34/0x190
[  870.385661]  __do_page_fault+0x5e8/0xe60
[  870.389734]  ? trace_hardirqs_off+0xb8/0x310
[  870.394165]  do_page_fault+0xf2/0x7e0
[  870.397967]  ? vmalloc_sync_all+0x30/0x30
[  870.402117]  ? error_entry+0x70/0xd0
[  870.405838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  870.410853]  ? trace_hardirqs_on_caller+0xc0/0x310
[  870.415780]  ? syscall_return_slowpath+0x5e0/0x5e0
[  870.420730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  870.425575]  ? trace_hardirqs_on_caller+0x310/0x310
[  870.430596]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  870.436053]  ? prepare_exit_to_usermode+0x291/0x3b0
[  870.441068]  ? page_fault+0x8/0x30
[  870.444637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  870.449486]  ? page_fault+0x8/0x30
[  870.453031]  page_fault+0x1e/0x30
[  870.456483] RIP: 0033:0x45ddf3
[  870.459689] Code: Bad RIP value.
[  870.463055] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  870.468438] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  870.475704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  870.482971] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  870.490252] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  870.497532] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  870.504818] warn_alloc_show_mem: 1 callbacks suppressed
[  870.504829] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  870.504831] Mem-Info:
[  870.504862] active_anon:53034 inactive_anon:131 isolated_anon:0
[  870.504862]  active_file:14 inactive_file:14 isolated_file:0
[  870.504862]  unevictable:0 dirty:0 writeback:0 unstable:0
[  870.504862]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  870.504862]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  870.504862]  free:13749 free_pcp:564 free_cma:0
[  870.510203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  870.510225] Call Trace:
[  870.517260] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  870.519660]  <IRQ>
[  870.552617] 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
[  870.561971]  dump_stack+0x244/0x39d
[  870.564533] lowmem_reserve[]: 0 2818 6321 6321
[  870.591953]  ? dump_stack_print_info.cold.1+0x20/0x20
[  870.594081] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  870.620195]  warn_alloc.cold.116+0xb7/0x1bd
[  870.623790] lowmem_reserve[]: 0 0 3503 3503
[  870.628379]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  870.633548] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  870.661043]  ? lock_downgrade+0x900/0x900
[  870.665340] lowmem_reserve[]: 0 0 0 0
[  870.669677]  ? trace_hardirqs_off+0xb8/0x310
[  870.674494] 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
[  870.703562]  ? trace_hardirqs_off+0xb8/0x310
[  870.707687] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  870.711490]  __alloc_pages_slowpath+0x26e8/0x2e10
[  870.715883] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  870.729852]  ? warn_alloc+0x120/0x120
[  870.734231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  870.749412]  ? warn_alloc+0x120/0x120
[  870.754239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  870.754248] 166 total pagecache pages
[  870.769683]  ? warn_alloc+0x120/0x120
[  870.773471] 0 pages in swap cache
[  870.782321]  ? print_usage_bug+0xc0/0xc0
[  870.786105] Swap cache stats: add 0, delete 0, find 0/0
[  870.794672]  ? print_usage_bug+0xc0/0xc0
[  870.798448] Free swap  = 0kB
[  870.802243]  ? print_usage_bug+0xc0/0xc0
[  870.805677] Total swap = 0kB
[  870.809739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.815090] 1965979 pages RAM
[  870.819144]  ? should_fail+0x22d/0xd01
[  870.822135] 0 pages HighMem/MovableOnly
[  870.822144] 342858 pages reserved
[  870.826204]  ? find_held_lock+0x36/0x1c0
[  870.829225] 0 pages cma reserved
[  870.835297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  870.838487] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  870.842280]  ? __lock_acquire+0x62f/0x4c20
[  870.846298] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  870.849688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  870.853727] syz-fuzzer cpuset=/ mems_allowed=0
[  870.857091]  ? __lock_acquire+0x62f/0x4c20
[  870.896990]  ? should_fail+0x22d/0xd01
[  870.900890]  ? mark_held_locks+0x130/0x130
[  870.905143]  ? mark_held_locks+0x130/0x130
[  870.909411]  ? print_usage_bug+0xc0/0xc0
[  870.913481]  ? mark_held_locks+0x130/0x130
[  870.917720]  ? kvm_clock_read+0x18/0x30
[  870.921712]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  870.926732]  ? zap_class+0x640/0x640
[  870.930450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.935993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.941533]  ? check_preemption_disabled+0x48/0x280
[  870.946564]  ? __lock_is_held+0xb5/0x140
[  870.950634]  __alloc_pages_nodemask+0xa80/0xde0
[  870.955308]  ? zap_class+0x640/0x640
[  870.959031]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  870.964063]  ? find_held_lock+0x36/0x1c0
[  870.968140]  ? ____cache_alloc_node+0x1c7/0x1e0
[  870.972814]  ? lock_downgrade+0x900/0x900
[  870.977012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.982554]  cache_grow_begin+0xa5/0x8c0
[  870.986630]  ? do_raw_spin_unlock+0xa7/0x330
[  870.991076]  fallback_alloc+0x204/0x2e0
[  870.995062]  ____cache_alloc_node+0x1c7/0x1e0
[  870.999569]  kmem_cache_alloc+0x1f8/0x730
[  871.003733]  __build_skb+0xab/0x430
[  871.007364]  ? skb_try_coalesce+0x1b70/0x1b70
[  871.011862]  ? trace_hardirqs_on+0xbd/0x310
[  871.016195]  ? find_held_lock+0x36/0x1c0
[  871.020272]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  871.025815]  ? trace_hardirqs_off_caller+0x310/0x310
[  871.030927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.036482]  ? check_preemption_disabled+0x48/0x280
[  871.041505]  __netdev_alloc_skb+0x2b5/0x450
[  871.045850]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  871.051214]  ? mod_timer+0x62c/0x1560
[  871.055024]  ? br_send_bpdu_finish+0x20/0x20
[  871.059465]  ? mark_held_locks+0x130/0x130
[  871.063704]  ? __lock_acquire+0x62f/0x4c20
[  871.067950]  ? trace_hardirqs_on+0xbd/0x310
[  871.072287]  br_send_config_bpdu+0xc9d/0x10a0
[  871.076788]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  871.082439]  br_transmit_config+0x8cd/0xbb0
[  871.086766]  ? find_held_lock+0x36/0x1c0
[  871.090838]  ? br_get_port+0x280/0x280
[  871.094732]  ? lock_acquire+0x1ed/0x520
[  871.098711]  ? br_hello_timer_expired+0x20/0x190
[  871.103504]  ? kasan_check_read+0x11/0x20
[  871.107695]  br_config_bpdu_generation+0x16a/0x1c0
[  871.112630]  br_hello_timer_expired+0xa9/0x190
[  871.117331]  call_timer_fn+0x272/0x920
[  871.121223]  ? br_is_root_bridge+0x40/0x40
[  871.125458]  ? process_timeout+0x40/0x40
[  871.129530]  ? __run_timers+0x7da/0xc70
[  871.133529]  ? _raw_spin_unlock_irq+0x27/0x80
[  871.138054]  ? _raw_spin_unlock_irq+0x27/0x80
[  871.142557]  ? br_is_root_bridge+0x40/0x40
[  871.146794]  ? lockdep_hardirqs_on+0x296/0x5b0
[  871.151389]  ? trace_hardirqs_on+0xbd/0x310
[  871.155726]  ? kasan_check_read+0x11/0x20
[  871.159874]  ? __run_timers+0x7da/0xc70
[  871.163856]  ? trace_hardirqs_off_caller+0x310/0x310
[  871.168972]  ? br_is_root_bridge+0x40/0x40
[  871.173213]  __run_timers+0x7e5/0xc70
[  871.177024]  ? timer_fixup_init+0x70/0x70
[  871.181174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  871.186207]  ? zap_class+0x640/0x640
[  871.189942]  ? enqueue_hrtimer+0x1a5/0x560
[  871.194197]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  871.199395]  ? find_held_lock+0x36/0x1c0
[  871.203492]  ? zap_class+0x640/0x640
[  871.207213]  ? pvclock_read_flags+0x160/0x160
[  871.211713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.217255]  ? check_preemption_disabled+0x48/0x280
[  871.222282]  ? __lock_is_held+0xb5/0x140
[  871.226345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.231885]  ? check_preemption_disabled+0x48/0x280
[  871.236923]  run_timer_softirq+0x52/0xb0
[  871.240984]  ? rcu_read_lock_sched_held+0x14f/0x180
[  871.246003]  __do_softirq+0x308/0xb7e
[  871.249808]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  871.254308]  ? lock_downgrade+0x900/0x900
[  871.258457]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  871.263584]  ? pvclock_read_flags+0x160/0x160
[  871.268084]  ? lapic_next_event+0x5a/0x90
[  871.272235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.277780]  ? kvm_clock_read+0x18/0x30
[  871.281768]  ? kvm_sched_clock_read+0x9/0x20
[  871.286179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.291719]  ? check_preemption_disabled+0x48/0x280
[  871.296761]  irq_exit+0x17f/0x1c0
[  871.300224]  smp_apic_timer_interrupt+0x1cb/0x760
[  871.305070]  ? smp_reschedule_interrupt+0x109/0x650
[  871.310132]  ? smp_call_function_single_interrupt+0x650/0x650
[  871.316022]  ? interrupt_entry+0xb5/0xc0
[  871.320089]  ? trace_hardirqs_off_caller+0xbb/0x310
[  871.325104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  871.330132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.334974]  ? trace_hardirqs_on_caller+0x310/0x310
[  871.339991]  ? trace_hardirqs_on_caller+0x310/0x310
[  871.345011]  ? task_prio+0x50/0x50
[  871.348565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.354104]  ? check_preemption_disabled+0x48/0x280
[  871.359129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.363983]  apic_timer_interrupt+0xf/0x20
[  871.368212]  </IRQ>
[  871.370450] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  871.376337] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  871.395234] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  871.402938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  871.410202] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  871.417484] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  871.424752] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  871.432017] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  871.439316]  ? save_stack+0xa9/0xd0
[  871.442957]  __kmalloc_node_track_caller+0x3c/0x70
[  871.447886]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  871.452646]  pskb_expand_head+0x230/0x10f0
[  871.456885]  ? check_preemption_disabled+0x48/0x280
[  871.461906]  ? memcpy+0x45/0x50
[  871.465189]  ? __copy_skb_header+0x350/0x6b0
[  871.469623]  ? skb_release_data+0x880/0x880
[  871.473946]  ? __alloc_skb+0x770/0x770
[  871.477872]  ? __lock_is_held+0xb5/0x140
[  871.481952]  ? kasan_check_write+0x14/0x20
[  871.486187]  ? __skb_clone+0x6c7/0xa00
[  871.490076]  ? __copy_skb_header+0x6b0/0x6b0
[  871.494483]  ? kmem_cache_alloc+0x33a/0x730
[  871.498809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.504464]  skb_ensure_writable+0x3dd/0x640
[  871.508875]  ? skb_checksum_setup+0xaa0/0xaa0
[  871.513374]  ? preempt_notifier_register+0x200/0x200
[  871.518481]  ? __switch_to_asm+0x34/0x70
[  871.522541]  ? __switch_to_asm+0x34/0x70
[  871.526605]  ? __switch_to_asm+0x40/0x70
[  871.530666]  ? __switch_to_asm+0x34/0x70
[  871.534755]  ? __switch_to_asm+0x40/0x70
[  871.538813]  ? __switch_to_asm+0x40/0x70
[  871.542873]  ? __switch_to_asm+0x34/0x70
[  871.546939]  ? __switch_to_asm+0x34/0x70
[  871.551001]  ? __switch_to_asm+0x40/0x70
[  871.555064]  ? __switch_to_asm+0x34/0x70
[  871.559156]  bpf_clone_redirect+0x14a/0x490
[  871.563492]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  871.568510]  ? __sched_text_start+0x8/0x8
[  871.572687]  ? retint_kernel+0x2d/0x2d
[  871.576589]  ? find_held_lock+0x36/0x1c0
[  871.580665]  ? lock_acquire+0x1ed/0x520
[  871.584665]  ? bpf_test_run+0x3cb/0x780
[  871.588656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.594215]  ? check_preemption_disabled+0x48/0x280
[  871.599240]  ? kasan_check_read+0x11/0x20
[  871.603390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  871.608676]  ? rcu_softirq_qs+0x20/0x20
[  871.612658]  ? preempt_schedule+0x4d/0x60
[  871.616812]  ? ___preempt_schedule+0x16/0x18
[  871.621230]  ? bpf_test_run+0x25d/0x780
[  871.625229]  ? netlink_diag_dump+0x2a0/0x2a0
[  871.629646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.635197]  ? bpf_test_init.isra.10+0x70/0x100
[  871.639879]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  871.644652]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  871.649500]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  871.655042]  ? fput+0x130/0x1a0
[  871.658331]  ? __bpf_prog_get+0x9b/0x290
[  871.662412]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  871.667260]  ? bpf_prog_test_run+0x130/0x1a0
[  871.671776]  ? __x64_sys_bpf+0x3d8/0x520
[  871.675839]  ? bpf_prog_get+0x20/0x20
[  871.679665]  ? do_syscall_64+0x1b9/0x820
[  871.683731]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  871.689100]  ? syscall_return_slowpath+0x5e0/0x5e0
[  871.694039]  ? trace_hardirqs_on_caller+0x310/0x310
[  871.699058]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  871.704110]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  871.710788]  ? __switch_to_asm+0x40/0x70
[  871.714854]  ? __switch_to_asm+0x34/0x70
[  871.718931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.723786]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  871.729172] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  871.729324] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  871.735866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  871.746344] syz-executor0 cpuset=syz0 mems_allowed=0
[  871.755701] Call Trace:
[  871.763369]  <IRQ>
[  871.765531]  dump_stack+0x244/0x39d
[  871.769176]  ? dump_stack_print_info.cold.1+0x20/0x20
[  871.774382]  warn_alloc.cold.116+0xb7/0x1bd
[  871.778721]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  871.783574]  ? lock_downgrade+0x900/0x900
[  871.787740]  ? trace_hardirqs_off+0xb8/0x310
[  871.792163]  ? trace_hardirqs_off+0xb8/0x310
[  871.796584]  __alloc_pages_slowpath+0x26e8/0x2e10
[  871.801474]  ? warn_alloc+0x120/0x120
[  871.805284]  ? print_usage_bug+0xc0/0xc0
[  871.809349]  ? warn_alloc+0x120/0x120
[  871.813161]  ? warn_alloc+0x120/0x120
[  871.816968]  ? print_usage_bug+0xc0/0xc0
[  871.821041]  ? print_usage_bug+0xc0/0xc0
[  871.825105]  ? __lock_acquire+0x62f/0x4c20
[  871.829358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.834917]  ? should_fail+0x22d/0xd01
[  871.838815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  871.844005]  ? __lock_acquire+0x62f/0x4c20
[  871.848245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  871.853349]  ? __lock_acquire+0x62f/0x4c20
[  871.857582]  ? should_fail+0x22d/0xd01
[  871.861473]  ? find_held_lock+0x36/0x1c0
[  871.865596]  ? mark_held_locks+0x130/0x130
[  871.869856]  ? mark_held_locks+0x130/0x130
[  871.874102]  ? zap_class+0x640/0x640
[  871.877837]  ? zap_class+0x640/0x640
[  871.881568]  ? print_usage_bug+0xc0/0xc0
[  871.885661]  ? do_raw_spin_unlock+0xa7/0x330
[  871.890083]  ? zap_class+0x640/0x640
[  871.893809]  ? print_usage_bug+0xc0/0xc0
[  871.897893]  ? wq_watchdog_touch+0x9c/0xfe
[  871.902132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.907673]  ? check_preemption_disabled+0x48/0x280
[  871.912699]  ? __lock_is_held+0xb5/0x140
[  871.916771]  __alloc_pages_nodemask+0xa80/0xde0
[  871.921449]  ? zap_class+0x640/0x640
[  871.925188]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  871.930234]  ? find_held_lock+0x36/0x1c0
[  871.934319]  ? ____cache_alloc_node+0x1c7/0x1e0
[  871.938992]  ? lock_downgrade+0x900/0x900
[  871.943153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.948699]  cache_grow_begin+0xa5/0x8c0
[  871.952776]  ? do_raw_spin_unlock+0xa7/0x330
[  871.957193]  fallback_alloc+0x204/0x2e0
[  871.961188]  ____cache_alloc_node+0x1c7/0x1e0
[  871.965694]  kmem_cache_alloc_node+0xe3/0x730
[  871.970199]  ? ipv6_get_ifaddr+0x42e/0x620
[  871.974462]  __alloc_skb+0x119/0x770
[  871.978189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  871.983476]  ? netdev_alloc_frag+0x1f0/0x1f0
[  871.987893]  ? lock_downgrade+0x900/0x900
[  871.992050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.997589]  ? refcount_sub_and_test_checked+0x203/0x310
[  872.003047]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  872.008502]  ? addrconf_rs_timer+0x690/0x690
[  872.012923]  ndisc_alloc_skb+0x144/0x340
[  872.016991]  ndisc_send_rs+0x331/0x6e0
[  872.020885]  addrconf_rs_timer+0x314/0x690
[  872.025130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.029382]  call_timer_fn+0x272/0x920
[  872.033283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.037523]  ? process_timeout+0x40/0x40
[  872.041601]  ? mark_held_locks+0xc7/0x130
[  872.045756]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.050254]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.054751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.058988]  ? lockdep_hardirqs_on+0x296/0x5b0
[  872.063585]  ? trace_hardirqs_on+0xbd/0x310
[  872.067912]  ? kasan_check_read+0x11/0x20
[  872.072069]  ? __run_timers+0x7da/0xc70
[  872.076049]  ? trace_hardirqs_off_caller+0x310/0x310
[  872.081173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.085438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.089681]  __run_timers+0x7e5/0xc70
[  872.093501]  ? timer_fixup_init+0x70/0x70
[  872.097662]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  872.102690]  ? zap_class+0x640/0x640
[  872.106445]  ? print_usage_bug+0xc0/0xc0
[  872.110523]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  872.115732]  ? find_held_lock+0x36/0x1c0
[  872.119809]  ? zap_class+0x640/0x640
[  872.123544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.129096]  ? check_preemption_disabled+0x48/0x280
[  872.134141]  ? __lock_is_held+0xb5/0x140
[  872.138276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.143835]  ? check_preemption_disabled+0x48/0x280
[  872.148874]  run_timer_softirq+0x52/0xb0
[  872.152955]  ? rcu_read_lock_sched_held+0x14f/0x180
[  872.158006]  __do_softirq+0x308/0xb7e
[  872.161825]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  872.166341]  ? lock_downgrade+0x900/0x900
[  872.170510]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  872.175641]  ? pvclock_read_flags+0x160/0x160
[  872.180154]  ? lapic_next_event+0x5a/0x90
[  872.184319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.189879]  ? kvm_clock_read+0x18/0x30
[  872.193871]  ? kvm_sched_clock_read+0x9/0x20
[  872.198299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.203851]  ? check_preemption_disabled+0x48/0x280
[  872.208895]  irq_exit+0x17f/0x1c0
[  872.212398]  smp_apic_timer_interrupt+0x1cb/0x760
[  872.217286]  ? smp_reschedule_interrupt+0x109/0x650
[  872.222324]  ? smp_call_function_single_interrupt+0x650/0x650
[  872.228224]  ? interrupt_entry+0xb5/0xc0
[  872.232305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  872.237334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  872.242365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  872.247224]  ? trace_hardirqs_on_caller+0x310/0x310
[  872.252270]  ? trace_hardirqs_on_caller+0x310/0x310
[  872.257300]  ? task_prio+0x50/0x50
[  872.260878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.266451]  ? check_preemption_disabled+0x48/0x280
[  872.271490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  872.276357]  apic_timer_interrupt+0xf/0x20
[  872.280599]  </IRQ>
[  872.282854] RIP: 0010:dump_stack+0x358/0x39d
[  872.287279] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  872.306353] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  872.314162] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  872.321458] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  872.328740] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  872.336018] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  872.343303] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  872.350606]  ? dump_stack+0x34f/0x39d
[  872.354458]  ? dump_stack_print_info.cold.1+0x20/0x20
[  872.359675]  ? mark_held_locks+0x130/0x130
[  872.363925]  ? mark_held_locks+0x130/0x130
[  872.368192]  dump_header+0x27b/0xf72
[  872.371934]  ? pagefault_out_of_memory+0x197/0x197
[  872.376887]  ? __lock_acquire+0x62f/0x4c20
[  872.381135]  ? percpu_ref_get_many+0x240/0x240
[  872.385734]  ? print_usage_bug+0xc0/0xc0
[  872.389818]  ? zap_class+0x640/0x640
[  872.393553]  ? print_usage_bug+0xc0/0xc0
[  872.397629]  ? print_usage_bug+0xc0/0xc0
[  872.401710]  ? zap_class+0x640/0x640
[  872.405469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.411032]  ? find_held_lock+0x36/0x1c0
[  872.415120]  ? mark_held_locks+0xc7/0x130
[  872.419295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  872.424439]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  872.429561]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  872.434158]  ? trace_hardirqs_on+0xbd/0x310
[  872.438497]  ? kasan_check_read+0x11/0x20
[  872.442663]  ? ___ratelimit+0x3b4/0x672
[  872.446653]  ? trace_hardirqs_off_caller+0x310/0x310
[  872.451775]  ? trace_hardirqs_on+0x310/0x310
[  872.456203]  ? lock_downgrade+0x900/0x900
[  872.460376]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  872.465522]  ? ___ratelimit+0x3b9/0x672
[  872.469520]  ? idr_get_free+0xf80/0xf80
[  872.473513]  ? find_held_lock+0x36/0x1c0
[  872.477598]  oom_kill_process.cold.27+0x10/0x903
[  872.482367]  ? zap_class+0x640/0x640
[  872.486124]  ? check_preemption_disabled+0x48/0x280
[  872.491160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  872.496103]  ? kasan_check_read+0x11/0x20
[  872.500333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  872.505630]  ? oom_evaluate_task+0x540/0x540
[  872.510062]  ? find_held_lock+0x36/0x1c0
[  872.514148]  ? out_of_memory+0x974/0x1430
[  872.518313]  ? lock_downgrade+0x900/0x900
[  872.522503]  ? check_preemption_disabled+0x48/0x280
[  872.527538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  872.532484]  ? kasan_check_read+0x11/0x20
[  872.536661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  872.541952]  ? rcu_softirq_qs+0x20/0x20
[  872.545947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.551539]  ? oom_evaluate_task+0x302/0x540
[  872.555969]  out_of_memory+0xa84/0x1430
[  872.559967]  ? oom_killer_disable+0x3a0/0x3a0
[  872.564482]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  872.569453]  ? __ww_mutex_check_waiters+0x160/0x160
[  872.574499]  __alloc_pages_slowpath+0x2354/0x2e10
[  872.579387]  ? warn_alloc+0x120/0x120
[  872.583228]  ? mark_held_locks+0x130/0x130
[  872.587492]  ? find_get_entry+0xaae/0x1120
[  872.591765]  ? filemap_map_pages+0x1a20/0x1a20
[  872.596366]  ? zap_class+0x640/0x640
[  872.600123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.605678]  ? check_preemption_disabled+0x48/0x280
[  872.610710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.616262]  ? should_fail+0x22d/0xd01
[  872.620168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  872.625286]  ? zap_class+0x640/0x640
[  872.629044]  ? __lock_is_held+0xb5/0x140
[  872.633142]  ? mark_held_locks+0x130/0x130
[  872.637395]  ? lock_release+0xa00/0xa00
[  872.641440]  ? perf_trace_sched_process_exec+0x860/0x860
[  872.646906]  ? xa_load+0x2ba/0x460
[  872.650478]  ? lock_downgrade+0x900/0x900
[  872.654645]  ? __might_sleep+0x95/0x190
[  872.658642]  __alloc_pages_nodemask+0xa80/0xde0
[  872.663341]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  872.668375]  ? __page_cache_alloc+0x191/0x5c0
[  872.672912]  ? xa_load+0x2e1/0x460
[  872.676474]  ? xa_clear_mark+0x40/0x40
[  872.680522]  ? zap_class+0x640/0x640
[  872.684260]  ? zap_class+0x640/0x640
[  872.687987]  ? zap_class+0x640/0x640
[  872.691717]  ? __do_page_cache_readahead+0x663/0x810
[  872.696844]  ? find_held_lock+0x36/0x1c0
[  872.700926]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  872.706503]  alloc_pages_current+0x173/0x350
[  872.710941]  __page_cache_alloc+0x38c/0x5c0
[  872.715281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  872.720225]  ? kasan_check_read+0x11/0x20
[  872.724887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  872.730196]  ? generic_perform_write+0x6a0/0x6a0
[  872.734972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.740539]  ? check_preemption_disabled+0x48/0x280
[  872.745584]  filemap_fault+0x1595/0x25f0
[  872.749676]  ? __lock_page_or_retry+0xa00/0xa00
[  872.754374]  ? mark_held_locks+0x130/0x130
[  872.758664]  ? filemap_map_pages+0xd6b/0x1a20
[  872.763180]  ? lock_downgrade+0x900/0x900
[  872.767345]  ? check_preemption_disabled+0x48/0x280
[  872.772378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  872.777350]  ? kasan_check_read+0x11/0x20
[  872.781571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  872.786863]  ? rcu_softirq_qs+0x20/0x20
[  872.790881]  ? filemap_map_pages+0xd92/0x1a20
[  872.795435]  ? find_get_entries_tag+0x1400/0x1400
[  872.800301]  ? debug_object_destroy+0x2b0/0x2b0
[  872.804990]  ? lock_pi_update_atomic+0x150/0x150
[  872.809763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.815345]  ? lock_acquire+0x1ed/0x520
[  872.819336]  ? ext4_filemap_fault+0x7a/0xad
[  872.823685]  ? lock_release+0xa00/0xa00
[  872.827677]  ? perf_trace_sched_process_exec+0x860/0x860
[  872.833325]  ? print_usage_bug+0xc0/0xc0
[  872.837433]  ? print_usage_bug+0xc0/0xc0
[  872.841527]  ? down_read+0x8d/0x120
[  872.845173]  ? ext4_filemap_fault+0x7a/0xad
[  872.849511]  ? __down_interruptible+0x700/0x700
[  872.854206]  ext4_filemap_fault+0x82/0xad
[  872.858373]  __do_fault+0x100/0x6b0
[  872.862046]  ? find_held_lock+0x36/0x1c0
[  872.866130]  ? pmd_devmap_trans_unstable+0x220/0x220
[  872.871254]  ? mark_held_locks+0x130/0x130
[  872.875510]  ? mark_held_locks+0x130/0x130
[  872.879910]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.884445]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.888964]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  872.893565]  ? kasan_check_read+0x11/0x20
[  872.897730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.903293]  __handle_mm_fault+0x3ea6/0x5be0
[  872.907727]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  872.912588]  ? finish_task_switch+0x1f4/0x910
[  872.917184]  ? finish_task_switch+0x1b4/0x910
[  872.921702]  ? __switch_to_asm+0x34/0x70
[  872.925782]  ? preempt_notifier_register+0x200/0x200
[  872.930900]  ? __switch_to_asm+0x34/0x70
[  872.934977]  ? __switch_to_asm+0x34/0x70
[  872.939069]  ? zap_class+0x640/0x640
[  872.942797]  ? zap_class+0x640/0x640
[  872.946524]  ? __x64_sys_futex+0x53e/0x6a0
[  872.950781]  ? find_held_lock+0x36/0x1c0
[  872.954882]  ? handle_mm_fault+0x42a/0xc70
[  872.959144]  ? lock_downgrade+0x900/0x900
[  872.963310]  ? check_preemption_disabled+0x48/0x280
[  872.968346]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  872.973298]  ? kasan_check_read+0x11/0x20
[  872.977469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  872.982892]  ? rcu_softirq_qs+0x20/0x20
[  872.986880]  ? trace_hardirqs_off_caller+0x310/0x310
[  872.992176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.997729]  ? check_preemption_disabled+0x48/0x280
[  873.002769]  handle_mm_fault+0x54f/0xc70
[  873.006945]  ? __handle_mm_fault+0x5be0/0x5be0
[  873.011552]  ? find_vma+0x34/0x190
[  873.015113]  __do_page_fault+0x5e8/0xe60
[  873.019189]  ? trace_hardirqs_off+0xb8/0x310
[  873.023626]  do_page_fault+0xf2/0x7e0
[  873.027459]  ? vmalloc_sync_all+0x30/0x30
[  873.031624]  ? error_entry+0x70/0xd0
[  873.035354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  873.040381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  873.045352]  ? syscall_return_slowpath+0x5e0/0x5e0
[  873.050297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  873.055156]  ? trace_hardirqs_on_caller+0x310/0x310
[  873.060184]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  873.065656]  ? prepare_exit_to_usermode+0x291/0x3b0
[  873.070692]  ? page_fault+0x8/0x30
[  873.074249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  873.079108]  ? page_fault+0x8/0x30
[  873.082666]  page_fault+0x1e/0x30
[  873.086132] RIP: 0033:0x45ddf3
[  873.089352] Code: Bad RIP value.
[  873.092726] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  873.098101] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  873.105384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  873.112691] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  873.119978] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  873.127480] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  873.134784] warn_alloc_show_mem: 1 callbacks suppressed
[  873.134796] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  873.134798] Mem-Info:
[  873.134830] active_anon:53034 inactive_anon:131 isolated_anon:0
[  873.134830]  active_file:14 inactive_file:14 isolated_file:0
[  873.134830]  unevictable:0 dirty:0 writeback:0 unstable:0
[  873.134830]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  873.134830]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  873.134830]  free:13749 free_pcp:564 free_cma:0
[  873.140180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  873.140190] Call Trace:
[  873.147227] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  873.149643]  <IRQ>
[  873.182701] 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
[  873.192086]  dump_stack+0x244/0x39d
[  873.194657] lowmem_reserve[]: 0 2818 6321 6321
[  873.222091]  ? dump_stack_print_info.cold.1+0x20/0x20
[  873.224236] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  873.250445]  warn_alloc.cold.116+0xb7/0x1bd
[  873.254073] lowmem_reserve[]: 0 0 3503 3503
[  873.258666]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  873.263850] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  873.291374]  ? lock_downgrade+0x900/0x900
[  873.295785] lowmem_reserve[]: 0 0 0 0
[  873.300131]  ? trace_hardirqs_off+0xb8/0x310
[  873.304964] 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
[  873.334162]  ? trace_hardirqs_off+0xb8/0x310
[  873.338299] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  873.342115]  __alloc_pages_slowpath+0x26e8/0x2e10
[  873.346510] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  873.360192]  ? warn_alloc+0x120/0x120
[  873.364581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  873.379758]  ? warn_alloc+0x120/0x120
[  873.384598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  873.400034]  ? zap_class+0x640/0x640
[  873.403825] 166 total pagecache pages
[  873.412759]  ? warn_alloc+0x120/0x120
[  873.416561] 0 pages in swap cache
[  873.425143]  ? print_usage_bug+0xc0/0xc0
[  873.428851] Swap cache stats: add 0, delete 0, find 0/0
[  873.432660]  ? check_preemption_disabled+0x48/0x280
[  873.436462] Free swap  = 0kB
[  873.439931]  ? print_usage_bug+0xc0/0xc0
[  873.443979] Total swap = 0kB
[  873.449485]  ? __lock_is_held+0xb5/0x140
[  873.454494] 1965979 pages RAM
[  873.457522]  ? print_usage_bug+0xc0/0xc0
[  873.461569] 0 pages HighMem/MovableOnly
[  873.461578] 342858 pages reserved
[  873.464620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  873.468727] 0 pages cma reserved
[  873.468800] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  873.471854]  ? should_fail+0x22d/0xd01
[  873.476115] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  873.479920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  873.483366] syz-fuzzer cpuset=/ mems_allowed=0
[  873.488919]  ? __lock_acquire+0x62f/0x4c20
[  873.526973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  873.532090]  ? __lock_acquire+0x62f/0x4c20
[  873.536340]  ? should_fail+0x22d/0xd01
[  873.540672]  ? mark_held_locks+0x130/0x130
[  873.544958]  ? mark_held_locks+0x130/0x130
[  873.549215]  ? mark_held_locks+0x130/0x130
[  873.553468]  ? zap_class+0x640/0x640
[  873.557207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.562763]  ? check_preemption_disabled+0x48/0x280
[  873.567805]  ? __lock_is_held+0xb5/0x140
[  873.571894]  __alloc_pages_nodemask+0xa80/0xde0
[  873.576589]  ? zap_class+0x640/0x640
[  873.580327]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  873.585369]  ? find_held_lock+0x36/0x1c0
[  873.589484]  ? ____cache_alloc_node+0x1c7/0x1e0
[  873.594169]  ? lock_downgrade+0x900/0x900
[  873.598342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.603903]  cache_grow_begin+0xa5/0x8c0
[  873.607988]  ? do_raw_spin_unlock+0xa7/0x330
[  873.612448]  fallback_alloc+0x204/0x2e0
[  873.616471]  ____cache_alloc_node+0x1c7/0x1e0
[  873.620991]  kmem_cache_alloc+0x1f8/0x730
[  873.625163]  __build_skb+0xab/0x430
[  873.628805]  ? skb_try_coalesce+0x1b70/0x1b70
[  873.633313]  ? trace_hardirqs_on+0xbd/0x310
[  873.637657]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  873.643218]  ? trace_hardirqs_off_caller+0x310/0x310
[  873.648334]  ? mod_timer+0x631/0x1560
[  873.652151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.657708]  ? check_preemption_disabled+0x48/0x280
[  873.662748]  __netdev_alloc_skb+0x2b5/0x450
[  873.667110]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  873.672492]  ? mod_timer+0x62c/0x1560
[  873.676316]  ? br_send_bpdu_finish+0x20/0x20
[  873.680755]  ? mark_held_locks+0x130/0x130
[  873.685007]  ? __lock_acquire+0x62f/0x4c20
[  873.689262]  ? trace_hardirqs_on+0xbd/0x310
[  873.693610]  br_send_config_bpdu+0xc9d/0x10a0
[  873.698125]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  873.703771]  ? round_jiffies+0x11c/0x170
[  873.707861]  br_transmit_config+0x8cd/0xbb0
[  873.712242]  ? find_held_lock+0x36/0x1c0
[  873.716327]  ? br_get_port+0x280/0x280
[  873.720237]  ? lock_acquire+0x1ed/0x520
[  873.724227]  ? br_hello_timer_expired+0x20/0x190
[  873.729015]  ? kasan_check_read+0x11/0x20
[  873.733551]  br_config_bpdu_generation+0x16a/0x1c0
[  873.738501]  br_hello_timer_expired+0xa9/0x190
[  873.743098]  call_timer_fn+0x272/0x920
[  873.746998]  ? br_is_root_bridge+0x40/0x40
[  873.751250]  ? process_timeout+0x40/0x40
[  873.755337]  ? __run_timers+0x7da/0xc70
[  873.759331]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.763845]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.768357]  ? br_is_root_bridge+0x40/0x40
[  873.772611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  873.777212]  ? trace_hardirqs_on+0xbd/0x310
[  873.781550]  ? kasan_check_read+0x11/0x20
[  873.785720]  ? __run_timers+0x7da/0xc70
[  873.789717]  ? trace_hardirqs_off_caller+0x310/0x310
[  873.794853]  ? br_is_root_bridge+0x40/0x40
[  873.799112]  __run_timers+0x7e5/0xc70
[  873.802949]  ? timer_fixup_init+0x70/0x70
[  873.807116]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  873.812149]  ? zap_class+0x640/0x640
[  873.815882]  ? enqueue_hrtimer+0x1a5/0x560
[  873.820156]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  873.825371]  ? find_held_lock+0x36/0x1c0
[  873.829480]  ? zap_class+0x640/0x640
[  873.833217]  ? pvclock_read_flags+0x160/0x160
[  873.837731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.843295]  ? check_preemption_disabled+0x48/0x280
[  873.848340]  ? __lock_is_held+0xb5/0x140
[  873.852443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.858000]  ? check_preemption_disabled+0x48/0x280
[  873.863051]  run_timer_softirq+0x52/0xb0
[  873.867131]  ? rcu_read_lock_sched_held+0x14f/0x180
[  873.872165]  __do_softirq+0x308/0xb7e
[  873.875994]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  873.880517]  ? lock_downgrade+0x900/0x900
[  873.884688]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  873.889820]  ? pvclock_read_flags+0x160/0x160
[  873.894338]  ? lapic_next_event+0x5a/0x90
[  873.898582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.904146]  ? kvm_clock_read+0x18/0x30
[  873.908137]  ? kvm_sched_clock_read+0x9/0x20
[  873.912572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.918134]  ? check_preemption_disabled+0x48/0x280
[  873.923182]  irq_exit+0x17f/0x1c0
[  873.926673]  smp_apic_timer_interrupt+0x1cb/0x760
[  873.931532]  ? smp_reschedule_interrupt+0x109/0x650
[  873.936568]  ? smp_call_function_single_interrupt+0x650/0x650
[  873.942537]  ? interrupt_entry+0xb5/0xc0
[  873.946618]  ? trace_hardirqs_off_caller+0xbb/0x310
[  873.951666]  ? trace_hardirqs_off_caller+0xbb/0x310
[  873.956700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  873.961624]  ? trace_hardirqs_on_caller+0x310/0x310
[  873.966666]  ? trace_hardirqs_on_caller+0x310/0x310
[  873.971696]  ? task_prio+0x50/0x50
[  873.975252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.980810]  ? check_preemption_disabled+0x48/0x280
[  873.985849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  873.990722]  apic_timer_interrupt+0xf/0x20
[  873.994970]  </IRQ>
[  873.997232] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  874.003131] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  874.022052] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  874.029774] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  874.037071] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  874.044354] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  874.051636] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  874.058943] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  874.066378]  ? save_stack+0xa9/0xd0
[  874.070062]  __kmalloc_node_track_caller+0x3c/0x70
[  874.075017]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  874.079801]  pskb_expand_head+0x230/0x10f0
[  874.084058]  ? check_preemption_disabled+0x48/0x280
[  874.089094]  ? memcpy+0x45/0x50
[  874.092397]  ? __copy_skb_header+0x350/0x6b0
[  874.096849]  ? skb_release_data+0x880/0x880
[  874.101226]  ? __alloc_skb+0x770/0x770
[  874.105139]  ? __lock_is_held+0xb5/0x140
[  874.109232]  ? kasan_check_write+0x14/0x20
[  874.113500]  ? __skb_clone+0x6c7/0xa00
[  874.117431]  ? __copy_skb_header+0x6b0/0x6b0
[  874.121860]  ? kmem_cache_alloc+0x33a/0x730
[  874.126202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.131761]  skb_ensure_writable+0x3dd/0x640
[  874.136191]  ? skb_checksum_setup+0xaa0/0xaa0
[  874.140711]  ? preempt_notifier_register+0x200/0x200
[  874.145833]  ? __switch_to_asm+0x34/0x70
[  874.149909]  ? __switch_to_asm+0x34/0x70
[  874.153992]  ? __switch_to_asm+0x40/0x70
[  874.158070]  ? __switch_to_asm+0x34/0x70
[  874.162147]  ? __switch_to_asm+0x40/0x70
[  874.166226]  ? __switch_to_asm+0x40/0x70
[  874.170304]  ? __switch_to_asm+0x34/0x70
[  874.174380]  ? __switch_to_asm+0x34/0x70
[  874.178482]  ? __switch_to_asm+0x40/0x70
[  874.182561]  ? __switch_to_asm+0x34/0x70
[  874.186649]  bpf_clone_redirect+0x14a/0x490
[  874.190995]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  874.196031]  ? __sched_text_start+0x8/0x8
[  874.200195]  ? retint_kernel+0x2d/0x2d
[  874.204107]  ? find_held_lock+0x36/0x1c0
[  874.208193]  ? lock_acquire+0x1ed/0x520
[  874.212297]  ? bpf_test_run+0x3cb/0x780
[  874.216288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.221857]  ? check_preemption_disabled+0x48/0x280
[  874.226964]  ? kasan_check_read+0x11/0x20
[  874.231129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  874.236445]  ? rcu_softirq_qs+0x20/0x20
[  874.240464]  ? preempt_schedule+0x4d/0x60
[  874.244628]  ? ___preempt_schedule+0x16/0x18
[  874.249058]  ? bpf_test_run+0x25d/0x780
[  874.253058]  ? netlink_diag_dump+0x2a0/0x2a0
[  874.257487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  874.263042]  ? bpf_test_init.isra.10+0x70/0x100
[  874.267730]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  874.272511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  874.277368]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  874.282947]  ? fput+0x130/0x1a0
[  874.286250]  ? __bpf_prog_get+0x9b/0x290
[  874.290331]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  874.295189]  ? bpf_prog_test_run+0x130/0x1a0
[  874.299616]  ? __x64_sys_bpf+0x3d8/0x520
[  874.303695]  ? bpf_prog_get+0x20/0x20
[  874.307536]  ? do_syscall_64+0x1b9/0x820
[  874.311612]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  874.316995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  874.321959]  ? trace_hardirqs_on_caller+0x310/0x310
[  874.327026]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  874.332060]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  874.338745]  ? __switch_to_asm+0x40/0x70
[  874.342825]  ? __switch_to_asm+0x34/0x70
[  874.346910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  874.351784]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  874.357244] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  874.357502] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  874.364050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  874.364059] Call Trace:
[  874.374610] syz-executor0 cpuset=syz0 mems_allowed=0
[  874.383970]  <IRQ>
[  874.393898]  dump_stack+0x244/0x39d
[  874.397658]  ? dump_stack_print_info.cold.1+0x20/0x20
[  874.402884]  warn_alloc.cold.116+0xb7/0x1bd
[  874.407223]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  874.412092]  ? lock_downgrade+0x900/0x900
[  874.416265]  ? trace_hardirqs_off+0xb8/0x310
[  874.420699]  ? trace_hardirqs_off+0xb8/0x310
[  874.425132]  __alloc_pages_slowpath+0x26e8/0x2e10
[  874.430029]  ? warn_alloc+0x120/0x120
[  874.433849]  ? find_held_lock+0x36/0x1c0
[  874.437992]  ? warn_alloc+0x120/0x120
[  874.441813]  ? warn_alloc+0x120/0x120
[  874.445631]  ? print_usage_bug+0xc0/0xc0
[  874.449722]  ? print_usage_bug+0xc0/0xc0
[  874.453810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  874.459107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  874.464662]  ? should_fail+0x22d/0xd01
[  874.468648]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  874.473767]  ? __lock_acquire+0x62f/0x4c20
[  874.478021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  874.483139]  ? __lock_acquire+0x62f/0x4c20
[  874.487385]  ? should_fail+0x22d/0xd01
[  874.491329]  ? mark_held_locks+0x130/0x130
[  874.495586]  ? mark_held_locks+0x130/0x130
[  874.499843]  ? __enqueue_entity+0x10d/0x1f0
[  874.504188]  ? zap_class+0x640/0x640
[  874.507918]  ? print_usage_bug+0xc0/0xc0
[  874.512007]  ? __lock_acquire+0x62f/0x4c20
[  874.516264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.521822]  ? check_preemption_disabled+0x48/0x280
[  874.526869]  ? __lock_is_held+0xb5/0x140
[  874.530960]  __alloc_pages_nodemask+0xa80/0xde0
[  874.535646]  ? zap_class+0x640/0x640
[  874.539381]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  874.544476]  ? find_held_lock+0x36/0x1c0
[  874.548570]  ? ____cache_alloc_node+0x1c7/0x1e0
[  874.553248]  ? lock_downgrade+0x900/0x900
[  874.557444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.563005]  cache_grow_begin+0xa5/0x8c0
[  874.567081]  ? do_raw_spin_unlock+0xa7/0x330
[  874.571526]  fallback_alloc+0x204/0x2e0
[  874.575527]  ____cache_alloc_node+0x1c7/0x1e0
[  874.580044]  kmem_cache_alloc_node+0xe3/0x730
[  874.584579]  ? ipv6_get_ifaddr+0x42e/0x620
[  874.588838]  __alloc_skb+0x119/0x770
[  874.592565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  874.597959]  ? netdev_alloc_frag+0x1f0/0x1f0
[  874.602384]  ? lock_downgrade+0x900/0x900
[  874.606584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.612143]  ? refcount_sub_and_test_checked+0x203/0x310
[  874.617616]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  874.623084]  ? addrconf_rs_timer+0x690/0x690
[  874.627521]  ndisc_alloc_skb+0x144/0x340
[  874.631603]  ndisc_send_rs+0x331/0x6e0
[  874.635516]  addrconf_rs_timer+0x314/0x690
[  874.639769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  874.644028]  call_timer_fn+0x272/0x920
[  874.647940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  874.652189]  ? process_timeout+0x40/0x40
[  874.656276]  ? mark_held_locks+0xc7/0x130
[  874.660460]  ? _raw_spin_unlock_irq+0x27/0x80
[  874.664971]  ? _raw_spin_unlock_irq+0x27/0x80
[  874.669482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  874.673723]  ? lockdep_hardirqs_on+0x296/0x5b0
[  874.678442]  ? trace_hardirqs_on+0xbd/0x310
[  874.682785]  ? kasan_check_read+0x11/0x20
[  874.687010]  ? __run_timers+0x7da/0xc70
[  874.691001]  ? trace_hardirqs_off_caller+0x310/0x310
[  874.696134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  874.700382]  __run_timers+0x7e5/0xc70
[  874.704256]  ? timer_fixup_init+0x70/0x70
[  874.708446]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  874.713496]  ? zap_class+0x640/0x640
[  874.717233]  ? print_usage_bug+0xc0/0xc0
[  874.721313]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  874.727059]  ? find_held_lock+0x36/0x1c0
[  874.731142]  ? zap_class+0x640/0x640
[  874.734882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.740476]  ? check_preemption_disabled+0x48/0x280
[  874.745522]  ? __lock_is_held+0xb5/0x140
[  874.749600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.755154]  ? check_preemption_disabled+0x48/0x280
[  874.760192]  run_timer_softirq+0x52/0xb0
[  874.764268]  ? rcu_read_lock_sched_held+0x14f/0x180
[  874.769297]  __do_softirq+0x308/0xb7e
[  874.773114]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  874.777624]  ? lock_downgrade+0x900/0x900
[  874.781794]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  874.787010]  ? pvclock_read_flags+0x160/0x160
[  874.791525]  ? lapic_next_event+0x5a/0x90
[  874.795690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.801248]  ? kvm_clock_read+0x18/0x30
[  874.805237]  ? kvm_sched_clock_read+0x9/0x20
[  874.809664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  874.815215]  ? check_preemption_disabled+0x48/0x280
[  874.820346]  irq_exit+0x17f/0x1c0
[  874.823820]  smp_apic_timer_interrupt+0x1cb/0x760
[  874.828678]  ? smp_reschedule_interrupt+0x109/0x650
[  874.833967]  ? smp_call_function_single_interrupt+0x650/0x650
[  874.839875]  ? interrupt_entry+0xb5/0xc0
[  874.844015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  874.849060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  874.854101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  874.858963]  ? trace_hardirqs_on_caller+0x310/0x310
[  874.863993]  ? trace_hardirqs_on_caller+0x310/0x310
[  874.869029]  ? task_prio+0x50/0x50
[  874.872597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.878150]  ? check_preemption_disabled+0x48/0x280
[  874.883190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  874.888057]  apic_timer_interrupt+0xf/0x20
[  874.892361]  </IRQ>
[  874.894616] RIP: 0010:dump_stack+0x358/0x39d
[  874.899044] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  874.917960] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  874.925689] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  874.932986] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  874.940264] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  874.947546] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  874.954827] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  874.962126]  ? dump_stack+0x34f/0x39d
[  874.965958]  ? dump_stack_print_info.cold.1+0x20/0x20
[  874.971168]  ? mark_held_locks+0x130/0x130
[  874.975444]  ? mark_held_locks+0x130/0x130
[  874.979708]  dump_header+0x27b/0xf72
[  874.983475]  ? pagefault_out_of_memory+0x197/0x197
[  874.988458]  ? __lock_acquire+0x62f/0x4c20
[  874.992715]  ? percpu_ref_get_many+0x240/0x240
[  874.997319]  ? print_usage_bug+0xc0/0xc0
[  875.001430]  ? zap_class+0x640/0x640
[  875.005227]  ? print_usage_bug+0xc0/0xc0
[  875.009311]  ? print_usage_bug+0xc0/0xc0
[  875.013390]  ? zap_class+0x640/0x640
[  875.017152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.022711]  ? find_held_lock+0x36/0x1c0
[  875.026797]  ? mark_held_locks+0xc7/0x130
[  875.030966]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  875.036083]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  875.041203]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  875.045829]  ? trace_hardirqs_on+0xbd/0x310
[  875.050167]  ? kasan_check_read+0x11/0x20
[  875.054335]  ? ___ratelimit+0x3b4/0x672
[  875.058326]  ? trace_hardirqs_off_caller+0x310/0x310
[  875.063468]  ? trace_hardirqs_on+0x310/0x310
[  875.067980]  ? lock_downgrade+0x900/0x900
[  875.072151]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  875.077270]  ? ___ratelimit+0x3b9/0x672
[  875.081268]  ? idr_get_free+0xf80/0xf80
[  875.085261]  ? find_held_lock+0x36/0x1c0
[  875.089349]  oom_kill_process.cold.27+0x10/0x903
[  875.094123]  ? zap_class+0x640/0x640
[  875.097855]  ? check_preemption_disabled+0x48/0x280
[  875.102892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  875.107839]  ? kasan_check_read+0x11/0x20
[  875.112009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.117303]  ? oom_evaluate_task+0x540/0x540
[  875.121797]  ? find_held_lock+0x36/0x1c0
[  875.125890]  ? out_of_memory+0x974/0x1430
[  875.130055]  ? lock_downgrade+0x900/0x900
[  875.134221]  ? check_preemption_disabled+0x48/0x280
[  875.139256]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  875.144201]  ? kasan_check_read+0x11/0x20
[  875.148533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.153830]  ? rcu_softirq_qs+0x20/0x20
[  875.157828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.163378]  ? oom_evaluate_task+0x302/0x540
[  875.167839]  out_of_memory+0xa84/0x1430
[  875.171840]  ? oom_killer_disable+0x3a0/0x3a0
[  875.176360]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  875.181307]  ? __ww_mutex_check_waiters+0x160/0x160
[  875.186353]  __alloc_pages_slowpath+0x2354/0x2e10
[  875.191247]  ? warn_alloc+0x120/0x120
[  875.195065]  ? mark_held_locks+0x130/0x130
[  875.199322]  ? find_get_entry+0xaae/0x1120
[  875.203671]  ? filemap_map_pages+0x1a20/0x1a20
[  875.208273]  ? zap_class+0x640/0x640
[  875.212014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.217629]  ? check_preemption_disabled+0x48/0x280
[  875.222719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.228269]  ? should_fail+0x22d/0xd01
[  875.232176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  875.237297]  ? zap_class+0x640/0x640
[  875.241056]  ? __lock_is_held+0xb5/0x140
[  875.245142]  ? mark_held_locks+0x130/0x130
[  875.249393]  ? lock_release+0xa00/0xa00
[  875.253442]  ? perf_trace_sched_process_exec+0x860/0x860
[  875.258911]  ? xa_load+0x2ba/0x460
[  875.262475]  ? lock_downgrade+0x900/0x900
[  875.266647]  ? __might_sleep+0x95/0x190
[  875.270650]  __alloc_pages_nodemask+0xa80/0xde0
[  875.275344]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  875.280381]  ? __page_cache_alloc+0x191/0x5c0
[  875.284916]  ? xa_load+0x2e1/0x460
[  875.288475]  ? xa_clear_mark+0x40/0x40
[  875.292386]  ? zap_class+0x640/0x640
[  875.296152]  ? zap_class+0x640/0x640
[  875.299885]  ? zap_class+0x640/0x640
[  875.303617]  ? __do_page_cache_readahead+0x663/0x810
[  875.308746]  ? find_held_lock+0x36/0x1c0
[  875.312828]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  875.318385]  alloc_pages_current+0x173/0x350
[  875.322901]  __page_cache_alloc+0x38c/0x5c0
[  875.327379]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  875.332471]  ? kasan_check_read+0x11/0x20
[  875.336635]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.341928]  ? generic_perform_write+0x6a0/0x6a0
[  875.346704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.352265]  ? check_preemption_disabled+0x48/0x280
[  875.357306]  filemap_fault+0x1595/0x25f0
[  875.361396]  ? __lock_page_or_retry+0xa00/0xa00
[  875.366119]  ? mark_held_locks+0x130/0x130
[  875.370378]  ? filemap_map_pages+0xd6b/0x1a20
[  875.374917]  ? lock_downgrade+0x900/0x900
[  875.379145]  ? check_preemption_disabled+0x48/0x280
[  875.384194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  875.389141]  ? kasan_check_read+0x11/0x20
[  875.393330]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.398630]  ? rcu_softirq_qs+0x20/0x20
[  875.402645]  ? filemap_map_pages+0xd92/0x1a20
[  875.407236]  ? find_get_entries_tag+0x1400/0x1400
[  875.412101]  ? debug_object_destroy+0x2b0/0x2b0
[  875.416788]  ? lock_pi_update_atomic+0x150/0x150
[  875.421559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.427131]  ? lock_acquire+0x1ed/0x520
[  875.431130]  ? ext4_filemap_fault+0x7a/0xad
[  875.435484]  ? lock_release+0xa00/0xa00
[  875.439533]  ? perf_trace_sched_process_exec+0x860/0x860
[  875.445003]  ? print_usage_bug+0xc0/0xc0
[  875.449172]  ? print_usage_bug+0xc0/0xc0
[  875.453260]  ? down_read+0x8d/0x120
[  875.456899]  ? ext4_filemap_fault+0x7a/0xad
[  875.461243]  ? __down_interruptible+0x700/0x700
[  875.465999]  ext4_filemap_fault+0x82/0xad
[  875.470170]  __do_fault+0x100/0x6b0
[  875.473816]  ? find_held_lock+0x36/0x1c0
[  875.477899]  ? pmd_devmap_trans_unstable+0x220/0x220
[  875.483082]  ? mark_held_locks+0x130/0x130
[  875.487334]  ? mark_held_locks+0x130/0x130
[  875.491590]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.496099]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.500611]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  875.505225]  ? kasan_check_read+0x11/0x20
[  875.509389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.514977]  __handle_mm_fault+0x3ea6/0x5be0
[  875.519495]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  875.524372]  ? finish_task_switch+0x1f4/0x910
[  875.529043]  ? finish_task_switch+0x1b4/0x910
[  875.533556]  ? __switch_to_asm+0x34/0x70
[  875.537636]  ? preempt_notifier_register+0x200/0x200
[  875.542752]  ? __switch_to_asm+0x34/0x70
[  875.546829]  ? __switch_to_asm+0x34/0x70
[  875.550923]  ? zap_class+0x640/0x640
[  875.554655]  ? zap_class+0x640/0x640
[  875.558386]  ? __x64_sys_futex+0x53e/0x6a0
[  875.562668]  ? find_held_lock+0x36/0x1c0
[  875.566866]  ? handle_mm_fault+0x42a/0xc70
[  875.571119]  ? lock_downgrade+0x900/0x900
[  875.575284]  ? check_preemption_disabled+0x48/0x280
[  875.580331]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  875.585278]  ? kasan_check_read+0x11/0x20
[  875.589508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.594934]  ? rcu_softirq_qs+0x20/0x20
[  875.598926]  ? trace_hardirqs_off_caller+0x310/0x310
[  875.604053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.609611]  ? check_preemption_disabled+0x48/0x280
[  875.614655]  handle_mm_fault+0x54f/0xc70
[  875.618754]  ? __handle_mm_fault+0x5be0/0x5be0
[  875.623355]  ? find_vma+0x34/0x190
[  875.626917]  __do_page_fault+0x5e8/0xe60
[  875.630999]  ? trace_hardirqs_off+0xb8/0x310
[  875.635459]  do_page_fault+0xf2/0x7e0
[  875.639337]  ? vmalloc_sync_all+0x30/0x30
[  875.643509]  ? error_entry+0x70/0xd0
[  875.647239]  ? trace_hardirqs_off_caller+0xbb/0x310
[  875.652268]  ? trace_hardirqs_on_caller+0xc0/0x310
[  875.657226]  ? syscall_return_slowpath+0x5e0/0x5e0
[  875.662169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  875.667027]  ? trace_hardirqs_on_caller+0x310/0x310
[  875.672061]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  875.677534]  ? prepare_exit_to_usermode+0x291/0x3b0
[  875.682566]  ? page_fault+0x8/0x30
[  875.686281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  875.691145]  ? page_fault+0x8/0x30
[  875.694702]  page_fault+0x1e/0x30
[  875.698170] RIP: 0033:0x45ddf3
[  875.701396] Code: Bad RIP value.
[  875.704805] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  875.710180] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  875.717465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  875.724746] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  875.732027] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  875.739377] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  875.746713] warn_alloc_show_mem: 1 callbacks suppressed
[  875.746725] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  875.746727] Mem-Info:
[  875.746758] active_anon:53034 inactive_anon:131 isolated_anon:0
[  875.746758]  active_file:14 inactive_file:14 isolated_file:0
[  875.746758]  unevictable:0 dirty:0 writeback:0 unstable:0
[  875.746758]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  875.746758]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  875.746758]  free:13749 free_pcp:564 free_cma:0
[  875.752117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  875.759208] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  875.761625] Call Trace:
[  875.794594] 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
[  875.803957]  <IRQ>
[  875.831376] lowmem_reserve[]: 0 2818 6321 6321
[  875.834009]  dump_stack+0x244/0x39d
[  875.860170] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  875.862335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  875.866908] lowmem_reserve[]: 0 0 3503 3503
[  875.870565]  warn_alloc.cold.116+0xb7/0x1bd
[  875.898046] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  875.903312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  875.907619] lowmem_reserve[]: 0 0 0 0
[  875.911964]  ? lock_downgrade+0x900/0x900
[  875.941160] 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
[  875.946020]  ? trace_hardirqs_off+0xb8/0x310
[  875.949809] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  875.953971]  ? trace_hardirqs_off+0xb8/0x310
[  875.967479] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  875.971995]  __alloc_pages_slowpath+0x26e8/0x2e10
[  875.987219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  875.991657]  ? warn_alloc+0x120/0x120
[  876.007067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  876.011923]  ? warn_alloc+0x120/0x120
[  876.020743] 166 total pagecache pages
[  876.024553]  ? zap_class+0x640/0x640
[  876.033185] 0 pages in swap cache
[  876.037003]  ? warn_alloc+0x120/0x120
[  876.040805] Swap cache stats: add 0, delete 0, find 0/0
[  876.044527]  ? print_usage_bug+0xc0/0xc0
[  876.048040] Free swap  = 0kB
[  876.051853]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  876.057207] Total swap = 0kB
[  876.061281]  ? print_usage_bug+0xc0/0xc0
[  876.064298] 1965979 pages RAM
[  876.069507]  ? print_usage_bug+0xc0/0xc0
[  876.072521] 0 pages HighMem/MovableOnly
[  876.076592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  876.079686] 342858 pages reserved
[  876.079695] 0 pages cma reserved
[  876.083767]  ? should_fail+0x22d/0xd01
[  876.087847] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  876.093350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  876.096873] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  876.100180]  ? __lock_acquire+0x62f/0x4c20
[  876.104062] syz-fuzzer cpuset=/ mems_allowed=0
[  876.110574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  876.140171]  ? should_fail+0x22d/0xd01
[  876.144090]  ? mark_held_locks+0x130/0x130
[  876.148346]  ? mark_held_locks+0x130/0x130
[  876.152595]  ? print_usage_bug+0xc0/0xc0
[  876.156680]  ? find_held_lock+0x36/0x1c0
[  876.160759]  ? zap_class+0x640/0x640
[  876.164496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.170056]  ? check_preemption_disabled+0x48/0x280
[  876.175097]  ? __lock_is_held+0xb5/0x140
[  876.179186]  __alloc_pages_nodemask+0xa80/0xde0
[  876.183873]  ? zap_class+0x640/0x640
[  876.187608]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  876.192654]  ? find_held_lock+0x36/0x1c0
[  876.196762]  ? ____cache_alloc_node+0x1c7/0x1e0
[  876.201472]  ? lock_downgrade+0x900/0x900
[  876.205656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.211227]  cache_grow_begin+0xa5/0x8c0
[  876.215306]  ? do_raw_spin_unlock+0xa7/0x330
[  876.219753]  fallback_alloc+0x204/0x2e0
[  876.223753]  ____cache_alloc_node+0x1c7/0x1e0
[  876.228270]  kmem_cache_alloc_node+0xe3/0x730
[  876.232780]  ? mark_held_locks+0xc7/0x130
[  876.236959]  __alloc_skb+0x119/0x770
[  876.240700]  ? netdev_alloc_frag+0x1f0/0x1f0
[  876.245126]  ? do_raw_spin_trylock+0x270/0x270
[  876.249722]  ? kmem_cache_alloc_trace+0x353/0x750
[  876.254583]  ? queue_work_on+0x12c/0x1e0
[  876.258667]  ? switchdev_port_obj_del+0xdc/0x440
[  876.263462]  ? switchdev_trans_item_enqueue+0x260/0x260
[  876.268851]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  876.273891]  __br_mdb_notify+0x4ff/0x15d0
[  876.278071]  ? __br_mdb_add+0x7f0/0x7f0
[  876.282087]  ? zap_class+0x640/0x640
[  876.285817]  ? kasan_check_read+0x11/0x20
[  876.289988]  ? br_multicast_group_expired+0x96/0x610
[  876.295129]  br_mdb_notify+0x310/0x410
[  876.299036]  ? br_mdb_dump+0x27b0/0x27b0
[  876.303131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.308692]  br_multicast_group_expired+0x1bc/0x610
[  876.313727]  ? br_mdb_free+0x80/0x80
[  876.317483]  call_timer_fn+0x272/0x920
[  876.321387]  ? br_mdb_free+0x80/0x80
[  876.325151]  ? process_timeout+0x40/0x40
[  876.329239]  ? __run_timers+0x7da/0xc70
[  876.333304]  ? _raw_spin_unlock_irq+0x27/0x80
[  876.337819]  ? _raw_spin_unlock_irq+0x27/0x80
[  876.342326]  ? br_mdb_free+0x80/0x80
[  876.346058]  ? lockdep_hardirqs_on+0x296/0x5b0
[  876.350729]  ? trace_hardirqs_on+0xbd/0x310
[  876.355074]  ? kasan_check_read+0x11/0x20
[  876.359236]  ? __run_timers+0x7da/0xc70
[  876.363225]  ? trace_hardirqs_off_caller+0x310/0x310
[  876.368357]  ? br_mdb_free+0x80/0x80
[  876.372087]  __run_timers+0x7e5/0xc70
[  876.376003]  ? timer_fixup_init+0x70/0x70
[  876.380179]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  876.385271]  ? zap_class+0x640/0x640
[  876.389007]  ? enqueue_hrtimer+0x1a5/0x560
[  876.393265]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  876.398485]  ? find_held_lock+0x36/0x1c0
[  876.402576]  ? zap_class+0x640/0x640
[  876.406310]  ? pvclock_read_flags+0x160/0x160
[  876.410822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.416377]  ? check_preemption_disabled+0x48/0x280
[  876.421472]  ? __lock_is_held+0xb5/0x140
[  876.425551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.431106]  ? check_preemption_disabled+0x48/0x280
[  876.436143]  run_timer_softirq+0x52/0xb0
[  876.440220]  ? rcu_read_lock_sched_held+0x14f/0x180
[  876.445250]  __do_softirq+0x308/0xb7e
[  876.449072]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  876.453582]  ? lock_downgrade+0x900/0x900
[  876.457750]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  876.462879]  ? pvclock_read_flags+0x160/0x160
[  876.467649]  ? lapic_next_event+0x5a/0x90
[  876.471812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.477384]  ? kvm_clock_read+0x18/0x30
[  876.481397]  ? kvm_sched_clock_read+0x9/0x20
[  876.485849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.491430]  ? check_preemption_disabled+0x48/0x280
[  876.496484]  irq_exit+0x17f/0x1c0
[  876.499959]  smp_apic_timer_interrupt+0x1cb/0x760
[  876.504816]  ? smp_reschedule_interrupt+0x109/0x650
[  876.509859]  ? smp_call_function_single_interrupt+0x650/0x650
[  876.515773]  ? interrupt_entry+0xb5/0xc0
[  876.519862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  876.524892]  ? trace_hardirqs_off_caller+0xbb/0x310
[  876.529935]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  876.534798]  ? trace_hardirqs_on_caller+0x310/0x310
[  876.539832]  ? trace_hardirqs_on_caller+0x310/0x310
[  876.544866]  ? task_prio+0x50/0x50
[  876.548452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.554012]  ? check_preemption_disabled+0x48/0x280
[  876.559053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  876.563927]  apic_timer_interrupt+0xf/0x20
[  876.568174]  </IRQ>
[  876.570475] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  876.576376] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  876.595312] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  876.603035] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  876.610319] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  876.617716] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  876.624998] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  876.632277] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  876.639592]  ? save_stack+0xa9/0xd0
[  876.643249]  __kmalloc_node_track_caller+0x3c/0x70
[  876.648201]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  876.652980]  pskb_expand_head+0x230/0x10f0
[  876.657229]  ? check_preemption_disabled+0x48/0x280
[  876.662334]  ? memcpy+0x45/0x50
[  876.665696]  ? __copy_skb_header+0x350/0x6b0
[  876.670122]  ? skb_release_data+0x880/0x880
[  876.674466]  ? __alloc_skb+0x770/0x770
[  876.678384]  ? __lock_is_held+0xb5/0x140
[  876.682496]  ? kasan_check_write+0x14/0x20
[  876.686835]  ? __skb_clone+0x6c7/0xa00
[  876.690782]  ? __copy_skb_header+0x6b0/0x6b0
[  876.695218]  ? kmem_cache_alloc+0x33a/0x730
[  876.699561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.705123]  skb_ensure_writable+0x3dd/0x640
[  876.709551]  ? skb_checksum_setup+0xaa0/0xaa0
[  876.714078]  ? preempt_notifier_register+0x200/0x200
[  876.719195]  ? __switch_to_asm+0x34/0x70
[  876.723501]  ? __switch_to_asm+0x34/0x70
[  876.727579]  ? __switch_to_asm+0x40/0x70
[  876.731653]  ? __switch_to_asm+0x34/0x70
[  876.735733]  ? __switch_to_asm+0x40/0x70
[  876.739808]  ? __switch_to_asm+0x40/0x70
[  876.743883]  ? __switch_to_asm+0x34/0x70
[  876.747964]  ? __switch_to_asm+0x34/0x70
[  876.752044]  ? __switch_to_asm+0x40/0x70
[  876.756118]  ? __switch_to_asm+0x34/0x70
[  876.760205]  bpf_clone_redirect+0x14a/0x490
[  876.764556]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  876.769590]  ? __sched_text_start+0x8/0x8
[  876.773756]  ? retint_kernel+0x2d/0x2d
[  876.777668]  ? find_held_lock+0x36/0x1c0
[  876.781769]  ? lock_acquire+0x1ed/0x520
[  876.785826]  ? bpf_test_run+0x3cb/0x780
[  876.789835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.795388]  ? check_preemption_disabled+0x48/0x280
[  876.800471]  ? kasan_check_read+0x11/0x20
[  876.804637]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  876.809969]  ? rcu_softirq_qs+0x20/0x20
[  876.813975]  ? preempt_schedule+0x4d/0x60
[  876.818141]  ? ___preempt_schedule+0x16/0x18
[  876.822581]  ? bpf_test_run+0x25d/0x780
[  876.826583]  ? netlink_diag_dump+0x2a0/0x2a0
[  876.831515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  876.837069]  ? bpf_test_init.isra.10+0x70/0x100
[  876.841762]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  876.846543]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  876.851426]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  876.857048]  ? fput+0x130/0x1a0
[  876.860345]  ? __bpf_prog_get+0x9b/0x290
[  876.864447]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  876.869305]  ? bpf_prog_test_run+0x130/0x1a0
[  876.873734]  ? __x64_sys_bpf+0x3d8/0x520
[  876.877817]  ? bpf_prog_get+0x20/0x20
[  876.881653]  ? do_syscall_64+0x1b9/0x820
[  876.885730]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  876.891123]  ? syscall_return_slowpath+0x5e0/0x5e0
[  876.896071]  ? trace_hardirqs_on_caller+0x310/0x310
[  876.901105]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  876.906140]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  876.912823]  ? __switch_to_asm+0x40/0x70
[  876.916898]  ? __switch_to_asm+0x34/0x70
[  876.921007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  876.925906]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  876.931312] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  876.931504] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  876.938003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  876.948603] syz-executor0 cpuset=syz0 mems_allowed=0
[  876.958034] Call Trace:
[  876.965726]  <IRQ>
[  876.967904]  dump_stack+0x244/0x39d
[  876.971548]  ? dump_stack_print_info.cold.1+0x20/0x20
[  876.976768]  warn_alloc.cold.116+0xb7/0x1bd
[  876.981108]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  876.985975]  ? lock_downgrade+0x900/0x900
[  876.990148]  ? trace_hardirqs_off+0xb8/0x310
[  876.994579]  ? trace_hardirqs_off+0xb8/0x310
[  876.999013]  __alloc_pages_slowpath+0x26e8/0x2e10
[  877.003940]  ? warn_alloc+0x120/0x120
[  877.007757]  ? print_usage_bug+0xc0/0xc0
[  877.011846]  ? warn_alloc+0x120/0x120
[  877.015671]  ? warn_alloc+0x120/0x120
[  877.019493]  ? print_usage_bug+0xc0/0xc0
[  877.023575]  ? print_usage_bug+0xc0/0xc0
[  877.027657]  ? __lock_acquire+0x62f/0x4c20
[  877.031915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.037473]  ? should_fail+0x22d/0xd01
[  877.041382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.046532]  ? __lock_acquire+0x62f/0x4c20
[  877.050784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.055904]  ? __lock_acquire+0x62f/0x4c20
[  877.060151]  ? should_fail+0x22d/0xd01
[  877.064070]  ? mark_held_locks+0x130/0x130
[  877.068328]  ? mark_held_locks+0x130/0x130
[  877.072638]  ? zap_class+0x640/0x640
[  877.076375]  ? zap_class+0x640/0x640
[  877.080133]  ? print_usage_bug+0xc0/0xc0
[  877.084209]  ? wq_watchdog_touch+0x9c/0xfe
[  877.088470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.094029]  ? check_preemption_disabled+0x48/0x280
[  877.099095]  ? __lock_is_held+0xb5/0x140
[  877.103187]  __alloc_pages_nodemask+0xa80/0xde0
[  877.107973]  ? zap_class+0x640/0x640
[  877.111710]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  877.116759]  ? find_held_lock+0x36/0x1c0
[  877.120851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  877.125538]  ? lock_downgrade+0x900/0x900
[  877.129710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.135272]  cache_grow_begin+0xa5/0x8c0
[  877.139349]  ? do_raw_spin_unlock+0xa7/0x330
[  877.143785]  fallback_alloc+0x204/0x2e0
[  877.147785]  ____cache_alloc_node+0x1c7/0x1e0
[  877.152305]  kmem_cache_alloc_node+0xe3/0x730
[  877.156824]  ? ipv6_get_ifaddr+0x42e/0x620
[  877.161096]  __alloc_skb+0x119/0x770
[  877.164821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  877.170120]  ? netdev_alloc_frag+0x1f0/0x1f0
[  877.174547]  ? lock_downgrade+0x900/0x900
[  877.178722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.184274]  ? refcount_sub_and_test_checked+0x203/0x310
[  877.189750]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  877.195215]  ? addrconf_rs_timer+0x690/0x690
[  877.199654]  ndisc_alloc_skb+0x144/0x340
[  877.203735]  ndisc_send_rs+0x331/0x6e0
[  877.207647]  addrconf_rs_timer+0x314/0x690
[  877.211991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.216264]  call_timer_fn+0x272/0x920
[  877.220166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.224444]  ? process_timeout+0x40/0x40
[  877.228541]  ? mark_held_locks+0xc7/0x130
[  877.232707]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.237220]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.241728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.245979]  ? lockdep_hardirqs_on+0x296/0x5b0
[  877.250581]  ? trace_hardirqs_on+0xbd/0x310
[  877.254919]  ? kasan_check_read+0x11/0x20
[  877.259083]  ? __run_timers+0x7da/0xc70
[  877.263078]  ? trace_hardirqs_off_caller+0x310/0x310
[  877.268211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.272463]  __run_timers+0x7e5/0xc70
[  877.276293]  ? timer_fixup_init+0x70/0x70
[  877.280521]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  877.285557]  ? zap_class+0x640/0x640
[  877.289294]  ? print_usage_bug+0xc0/0xc0
[  877.293459]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  877.298677]  ? find_held_lock+0x36/0x1c0
[  877.302759]  ? zap_class+0x640/0x640
[  877.306499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.312053]  ? check_preemption_disabled+0x48/0x280
[  877.317095]  ? __lock_is_held+0xb5/0x140
[  877.321216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.326770]  ? check_preemption_disabled+0x48/0x280
[  877.331810]  run_timer_softirq+0x52/0xb0
[  877.335886]  ? rcu_read_lock_sched_held+0x14f/0x180
[  877.340932]  __do_softirq+0x308/0xb7e
[  877.344756]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  877.349267]  ? lock_downgrade+0x900/0x900
[  877.353462]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  877.358589]  ? pvclock_read_flags+0x160/0x160
[  877.363104]  ? lapic_next_event+0x5a/0x90
[  877.367270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.372894]  ? kvm_clock_read+0x18/0x30
[  877.376892]  ? kvm_sched_clock_read+0x9/0x20
[  877.381326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.386877]  ? check_preemption_disabled+0x48/0x280
[  877.391919]  irq_exit+0x17f/0x1c0
[  877.395390]  smp_apic_timer_interrupt+0x1cb/0x760
[  877.400278]  ? smp_reschedule_interrupt+0x109/0x650
[  877.405316]  ? smp_call_function_single_interrupt+0x650/0x650
[  877.411215]  ? interrupt_entry+0xb5/0xc0
[  877.415296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  877.420328]  ? trace_hardirqs_off_caller+0xbb/0x310
[  877.425363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  877.430226]  ? trace_hardirqs_on_caller+0x310/0x310
[  877.435263]  ? trace_hardirqs_on_caller+0x310/0x310
[  877.440294]  ? task_prio+0x50/0x50
[  877.443855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.449443]  ? check_preemption_disabled+0x48/0x280
[  877.454489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  877.459357]  apic_timer_interrupt+0xf/0x20
[  877.463599]  </IRQ>
[  877.465855] RIP: 0010:dump_stack+0x358/0x39d
[  877.470278] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  877.489251] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  877.496977] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  877.504256] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  877.511538] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  877.518819] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  877.526100] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  877.533430]  ? dump_stack+0x34f/0x39d
[  877.537263]  ? dump_stack_print_info.cold.1+0x20/0x20
[  877.542484]  ? mark_held_locks+0x130/0x130
[  877.546734]  ? mark_held_locks+0x130/0x130
[  877.550990]  dump_header+0x27b/0xf72
[  877.554748]  ? pagefault_out_of_memory+0x197/0x197
[  877.559734]  ? __lock_acquire+0x62f/0x4c20
[  877.564060]  ? percpu_ref_get_many+0x240/0x240
[  877.568663]  ? print_usage_bug+0xc0/0xc0
[  877.572748]  ? zap_class+0x640/0x640
[  877.576483]  ? print_usage_bug+0xc0/0xc0
[  877.580558]  ? print_usage_bug+0xc0/0xc0
[  877.584637]  ? zap_class+0x640/0x640
[  877.588371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.593956]  ? find_held_lock+0x36/0x1c0
[  877.598056]  ? mark_held_locks+0xc7/0x130
[  877.602235]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  877.607360]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  877.612481]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  877.617079]  ? trace_hardirqs_on+0xbd/0x310
[  877.621438]  ? kasan_check_read+0x11/0x20
[  877.625605]  ? ___ratelimit+0x3b4/0x672
[  877.629597]  ? trace_hardirqs_off_caller+0x310/0x310
[  877.634718]  ? trace_hardirqs_on+0x310/0x310
[  877.639142]  ? lock_downgrade+0x900/0x900
[  877.643316]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  877.648464]  ? ___ratelimit+0x3b9/0x672
[  877.652540]  ? idr_get_free+0xf80/0xf80
[  877.656532]  ? find_held_lock+0x36/0x1c0
[  877.660620]  oom_kill_process.cold.27+0x10/0x903
[  877.665396]  ? zap_class+0x640/0x640
[  877.669158]  ? check_preemption_disabled+0x48/0x280
[  877.674201]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  877.679146]  ? kasan_check_read+0x11/0x20
[  877.683309]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  877.688608]  ? oom_evaluate_task+0x540/0x540
[  877.693233]  ? find_held_lock+0x36/0x1c0
[  877.697318]  ? out_of_memory+0x974/0x1430
[  877.701512]  ? lock_downgrade+0x900/0x900
[  877.705676]  ? check_preemption_disabled+0x48/0x280
[  877.710712]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  877.715715]  ? kasan_check_read+0x11/0x20
[  877.719881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  877.725173]  ? rcu_softirq_qs+0x20/0x20
[  877.729168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.734719]  ? oom_evaluate_task+0x302/0x540
[  877.739150]  out_of_memory+0xa84/0x1430
[  877.743152]  ? oom_killer_disable+0x3a0/0x3a0
[  877.747667]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  877.752621]  ? __ww_mutex_check_waiters+0x160/0x160
[  877.757666]  __alloc_pages_slowpath+0x2354/0x2e10
[  877.762558]  ? warn_alloc+0x120/0x120
[  877.766372]  ? mark_held_locks+0x130/0x130
[  877.770661]  ? find_get_entry+0xaae/0x1120
[  877.774920]  ? filemap_map_pages+0x1a20/0x1a20
[  877.779529]  ? zap_class+0x640/0x640
[  877.783266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.788854]  ? check_preemption_disabled+0x48/0x280
[  877.793885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.799463]  ? should_fail+0x22d/0xd01
[  877.803371]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.808523]  ? zap_class+0x640/0x640
[  877.812283]  ? __lock_is_held+0xb5/0x140
[  877.816368]  ? mark_held_locks+0x130/0x130
[  877.820651]  ? lock_release+0xa00/0xa00
[  877.824644]  ? perf_trace_sched_process_exec+0x860/0x860
[  877.830108]  ? xa_load+0x2ba/0x460
[  877.833665]  ? lock_downgrade+0x900/0x900
[  877.837834]  ? __might_sleep+0x95/0x190
[  877.841830]  __alloc_pages_nodemask+0xa80/0xde0
[  877.846523]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  877.851563]  ? __page_cache_alloc+0x191/0x5c0
[  877.856070]  ? xa_load+0x2e1/0x460
[  877.859627]  ? xa_clear_mark+0x40/0x40
[  877.863537]  ? zap_class+0x640/0x640
[  877.867276]  ? zap_class+0x640/0x640
[  877.871008]  ? zap_class+0x640/0x640
[  877.874762]  ? __do_page_cache_readahead+0x663/0x810
[  877.879886]  ? find_held_lock+0x36/0x1c0
[  877.883983]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  877.889544]  alloc_pages_current+0x173/0x350
[  877.894010]  __page_cache_alloc+0x38c/0x5c0
[  877.898363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  877.903307]  ? kasan_check_read+0x11/0x20
[  877.907475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  877.912772]  ? generic_perform_write+0x6a0/0x6a0
[  877.917544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.923235]  ? check_preemption_disabled+0x48/0x280
[  877.928278]  filemap_fault+0x1595/0x25f0
[  877.932369]  ? __lock_page_or_retry+0xa00/0xa00
[  877.937087]  ? mark_held_locks+0x130/0x130
[  877.941347]  ? filemap_map_pages+0xd6b/0x1a20
[  877.945923]  ? lock_downgrade+0x900/0x900
[  877.950092]  ? check_preemption_disabled+0x48/0x280
[  877.955129]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  877.960074]  ? kasan_check_read+0x11/0x20
[  877.964239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  877.969548]  ? rcu_softirq_qs+0x20/0x20
[  877.973557]  ? filemap_map_pages+0xd92/0x1a20
[  877.978082]  ? find_get_entries_tag+0x1400/0x1400
[  877.982947]  ? debug_object_destroy+0x2b0/0x2b0
[  877.987637]  ? lock_pi_update_atomic+0x150/0x150
[  877.992438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.998014]  ? lock_acquire+0x1ed/0x520
[  878.002019]  ? ext4_filemap_fault+0x7a/0xad
[  878.006364]  ? lock_release+0xa00/0xa00
[  878.010440]  ? perf_trace_sched_process_exec+0x860/0x860
[  878.015918]  ? print_usage_bug+0xc0/0xc0
[  878.020002]  ? print_usage_bug+0xc0/0xc0
[  878.024091]  ? down_read+0x8d/0x120
[  878.027730]  ? ext4_filemap_fault+0x7a/0xad
[  878.032092]  ? __down_interruptible+0x700/0x700
[  878.036789]  ext4_filemap_fault+0x82/0xad
[  878.040958]  __do_fault+0x100/0x6b0
[  878.044599]  ? find_held_lock+0x36/0x1c0
[  878.048678]  ? pmd_devmap_trans_unstable+0x220/0x220
[  878.053804]  ? mark_held_locks+0x130/0x130
[  878.058068]  ? mark_held_locks+0x130/0x130
[  878.062323]  ? _raw_spin_unlock_irq+0x27/0x80
[  878.066836]  ? _raw_spin_unlock_irq+0x27/0x80
[  878.071347]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  878.075972]  ? kasan_check_read+0x11/0x20
[  878.080165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.085733]  __handle_mm_fault+0x3ea6/0x5be0
[  878.090167]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  878.095032]  ? finish_task_switch+0x1f4/0x910
[  878.099569]  ? finish_task_switch+0x1b4/0x910
[  878.104081]  ? __switch_to_asm+0x34/0x70
[  878.108252]  ? preempt_notifier_register+0x200/0x200
[  878.113368]  ? __switch_to_asm+0x34/0x70
[  878.117480]  ? __switch_to_asm+0x34/0x70
[  878.121574]  ? zap_class+0x640/0x640
[  878.125307]  ? zap_class+0x640/0x640
[  878.129039]  ? __x64_sys_futex+0x53e/0x6a0
[  878.133296]  ? find_held_lock+0x36/0x1c0
[  878.137385]  ? handle_mm_fault+0x42a/0xc70
[  878.141669]  ? lock_downgrade+0x900/0x900
[  878.145837]  ? check_preemption_disabled+0x48/0x280
[  878.150872]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  878.155988]  ? kasan_check_read+0x11/0x20
[  878.160164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  878.165464]  ? rcu_softirq_qs+0x20/0x20
[  878.169465]  ? trace_hardirqs_off_caller+0x310/0x310
[  878.174588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.180144]  ? check_preemption_disabled+0x48/0x280
[  878.185186]  handle_mm_fault+0x54f/0xc70
[  878.189266]  ? __handle_mm_fault+0x5be0/0x5be0
[  878.193865]  ? find_vma+0x34/0x190
[  878.197455]  __do_page_fault+0x5e8/0xe60
[  878.201535]  ? trace_hardirqs_off+0xb8/0x310
[  878.205967]  do_page_fault+0xf2/0x7e0
[  878.209809]  ? vmalloc_sync_all+0x30/0x30
[  878.213976]  ? error_entry+0x70/0xd0
[  878.217709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  878.222740]  ? trace_hardirqs_on_caller+0xc0/0x310
[  878.227686]  ? syscall_return_slowpath+0x5e0/0x5e0
[  878.232628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  878.237488]  ? trace_hardirqs_on_caller+0x310/0x310
[  878.242580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  878.248056]  ? prepare_exit_to_usermode+0x291/0x3b0
[  878.253090]  ? page_fault+0x8/0x30
[  878.256649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  878.261514]  ? page_fault+0x8/0x30
[  878.265085]  page_fault+0x1e/0x30
[  878.268577] RIP: 0033:0x45ddf3
[  878.271795] Code: Bad RIP value.
[  878.275169] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  878.280547] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  878.287888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  878.295172] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  878.302459] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  878.309744] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  878.317056] warn_alloc_show_mem: 1 callbacks suppressed
[  878.317080] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  878.317082] Mem-Info:
[  878.317113] active_anon:53034 inactive_anon:131 isolated_anon:0
[  878.317113]  active_file:14 inactive_file:14 isolated_file:0
[  878.317113]  unevictable:0 dirty:0 writeback:0 unstable:0
[  878.317113]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  878.317113]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  878.317113]  free:13749 free_pcp:564 free_cma:0
[  878.322476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  878.322485] Call Trace:
[  878.329525] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  878.331937]  <IRQ>
[  878.365035] 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
[  878.374430]  dump_stack+0x244/0x39d
[  878.377011] lowmem_reserve[]: 0 2818 6321 6321
[  878.404463]  ? dump_stack_print_info.cold.1+0x20/0x20
[  878.406609] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  878.432835]  warn_alloc.cold.116+0xb7/0x1bd
[  878.436456] lowmem_reserve[]: 0 0 3503 3503
[  878.441063]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  878.446247] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  878.473761]  ? lock_downgrade+0x900/0x900
[  878.478075] lowmem_reserve[]: 0 0 0 0
[  878.482440]  ? trace_hardirqs_off+0xb8/0x310
[  878.487274] 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
[  878.516466]  ? trace_hardirqs_off+0xb8/0x310
[  878.520607] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  878.524452]  __alloc_pages_slowpath+0x26e8/0x2e10
[  878.528853] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  878.542443]  ? warn_alloc+0x120/0x120
[  878.546832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  878.562107]  ? warn_alloc+0x120/0x120
[  878.566953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  878.582390]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  878.586215] 166 total pagecache pages
[  878.595068]  ? warn_alloc+0x120/0x120
[  878.598876] 0 pages in swap cache
[  878.607472]  ? print_usage_bug+0xc0/0xc0
[  878.612484] Swap cache stats: add 0, delete 0, find 0/0
[  878.616353]  ? print_usage_bug+0xc0/0xc0
[  878.620148] Free swap  = 0kB
[  878.623613]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  878.627666] Total swap = 0kB
[  878.633045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.637098] 1965979 pages RAM
[  878.640131]  ? should_fail+0x22d/0xd01
[  878.645310] 0 pages HighMem/MovableOnly
[  878.645320] 342858 pages reserved
[  878.648355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  878.653892] 0 pages cma reserved
[  878.657030]  ? __lock_acquire+0x62f/0x4c20
[  878.660973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  878.664901]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  878.668476] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  878.673468]  ? should_fail+0x22d/0xd01
[  878.676930] syz-fuzzer cpuset=/ mems_allowed=0
[  878.681224]  ? mark_held_locks+0x130/0x130
[  878.715898]  ? mark_held_locks+0x130/0x130
[  878.720154]  ? print_usage_bug+0xc0/0xc0
[  878.724505]  ? find_held_lock+0x36/0x1c0
[  878.728592]  ? zap_class+0x640/0x640
[  878.732329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.737887]  ? check_preemption_disabled+0x48/0x280
[  878.742939]  ? __lock_is_held+0xb5/0x140
[  878.747025]  __alloc_pages_nodemask+0xa80/0xde0
[  878.751713]  ? zap_class+0x640/0x640
[  878.755482]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  878.760528]  ? find_held_lock+0x36/0x1c0
[  878.764619]  ? ____cache_alloc_node+0x1c7/0x1e0
[  878.769308]  ? lock_downgrade+0x900/0x900
[  878.773485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.779054]  cache_grow_begin+0xa5/0x8c0
[  878.783133]  ? do_raw_spin_unlock+0xa7/0x330
[  878.787628]  fallback_alloc+0x204/0x2e0
[  878.791631]  ____cache_alloc_node+0x1c7/0x1e0
[  878.796149]  kmem_cache_alloc_node+0xe3/0x730
[  878.800663]  ? mark_held_locks+0xc7/0x130
[  878.804898]  __alloc_skb+0x119/0x770
[  878.808642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  878.813066]  ? do_raw_spin_trylock+0x270/0x270
[  878.817688]  ? kmem_cache_alloc_trace+0x353/0x750
[  878.822555]  ? queue_work_on+0x12c/0x1e0
[  878.826642]  ? switchdev_port_obj_del+0xdc/0x440
[  878.831956]  ? switchdev_trans_item_enqueue+0x260/0x260
[  878.837342]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  878.842382]  __br_mdb_notify+0x4ff/0x15d0
[  878.846590]  ? __br_mdb_add+0x7f0/0x7f0
[  878.850593]  ? zap_class+0x640/0x640
[  878.854333]  ? br_multicast_group_expired+0x96/0x610
[  878.859465]  ? lock_downgrade+0x900/0x900
[  878.863636]  br_mdb_notify+0x310/0x410
[  878.867543]  ? br_mdb_dump+0x27b0/0x27b0
[  878.871629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.877191]  br_multicast_group_expired+0x1bc/0x610
[  878.882229]  ? br_mdb_free+0x80/0x80
[  878.885978]  call_timer_fn+0x272/0x920
[  878.889894]  ? br_mdb_free+0x80/0x80
[  878.893632]  ? process_timeout+0x40/0x40
[  878.897718]  ? __run_timers+0x7da/0xc70
[  878.901725]  ? _raw_spin_unlock_irq+0x27/0x80
[  878.906239]  ? _raw_spin_unlock_irq+0x27/0x80
[  878.910750]  ? br_mdb_free+0x80/0x80
[  878.914485]  ? lockdep_hardirqs_on+0x296/0x5b0
[  878.919120]  ? trace_hardirqs_on+0xbd/0x310
[  878.923471]  ? kasan_check_read+0x11/0x20
[  878.927635]  ? __run_timers+0x7da/0xc70
[  878.931625]  ? trace_hardirqs_off_caller+0x310/0x310
[  878.936746]  ? br_mdb_free+0x80/0x80
[  878.940482]  ? br_mdb_free+0x80/0x80
[  878.944210]  __run_timers+0x7e5/0xc70
[  878.948039]  ? timer_fixup_init+0x70/0x70
[  878.952217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  878.957250]  ? zap_class+0x640/0x640
[  878.961118]  ? enqueue_hrtimer+0x1a5/0x560
[  878.965375]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  878.970615]  ? find_held_lock+0x36/0x1c0
[  878.974699]  ? zap_class+0x640/0x640
[  878.978456]  ? pvclock_read_flags+0x160/0x160
[  878.983062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.988638]  ? check_preemption_disabled+0x48/0x280
[  878.993921]  ? __lock_is_held+0xb5/0x140
[  878.998091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.003646]  ? check_preemption_disabled+0x48/0x280
[  879.008687]  run_timer_softirq+0x52/0xb0
[  879.012767]  ? rcu_read_lock_sched_held+0x14f/0x180
[  879.017798]  __do_softirq+0x308/0xb7e
[  879.021632]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  879.026266]  ? lock_downgrade+0x900/0x900
[  879.030455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  879.035587]  ? pvclock_read_flags+0x160/0x160
[  879.040188]  ? lapic_next_event+0x5a/0x90
[  879.044356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.049923]  ? kvm_clock_read+0x18/0x30
[  879.053939]  ? kvm_sched_clock_read+0x9/0x20
[  879.058369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.063950]  ? check_preemption_disabled+0x48/0x280
[  879.068993]  irq_exit+0x17f/0x1c0
[  879.072473]  smp_apic_timer_interrupt+0x1cb/0x760
[  879.077334]  ? smp_reschedule_interrupt+0x109/0x650
[  879.082367]  ? smp_call_function_single_interrupt+0x650/0x650
[  879.088293]  ? interrupt_entry+0xb5/0xc0
[  879.092385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  879.097459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  879.102500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  879.107366]  ? trace_hardirqs_on_caller+0x310/0x310
[  879.112518]  ? trace_hardirqs_on_caller+0x310/0x310
[  879.117551]  ? task_prio+0x50/0x50
[  879.121221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.126781]  ? check_preemption_disabled+0x48/0x280
[  879.131833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  879.136711]  apic_timer_interrupt+0xf/0x20
[  879.140969]  </IRQ>
[  879.143239] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  879.149142] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  879.168056] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  879.175778] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  879.183059] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  879.190340] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  879.197621] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  879.204904] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  879.212223]  ? save_stack+0xa9/0xd0
[  879.215877]  __kmalloc_node_track_caller+0x3c/0x70
[  879.220830]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  879.225613]  pskb_expand_head+0x230/0x10f0
[  879.229877]  ? check_preemption_disabled+0x48/0x280
[  879.234948]  ? memcpy+0x45/0x50
[  879.238244]  ? __copy_skb_header+0x350/0x6b0
[  879.242668]  ? skb_release_data+0x880/0x880
[  879.247007]  ? __alloc_skb+0x770/0x770
[  879.250929]  ? __lock_is_held+0xb5/0x140
[  879.255019]  ? kasan_check_write+0x14/0x20
[  879.259269]  ? __skb_clone+0x6c7/0xa00
[  879.263173]  ? __copy_skb_header+0x6b0/0x6b0
[  879.267597]  ? kmem_cache_alloc+0x33a/0x730
[  879.271995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.277558]  skb_ensure_writable+0x3dd/0x640
[  879.282001]  ? skb_checksum_setup+0xaa0/0xaa0
[  879.286583]  ? preempt_notifier_register+0x200/0x200
[  879.291700]  ? __switch_to_asm+0x34/0x70
[  879.295779]  ? __switch_to_asm+0x34/0x70
[  879.299858]  ? __switch_to_asm+0x40/0x70
[  879.303939]  ? __switch_to_asm+0x34/0x70
[  879.308028]  ? __switch_to_asm+0x40/0x70
[  879.312104]  ? __switch_to_asm+0x40/0x70
[  879.316183]  ? __switch_to_asm+0x34/0x70
[  879.320258]  ? __switch_to_asm+0x34/0x70
[  879.324331]  ? __switch_to_asm+0x40/0x70
[  879.328427]  ? __switch_to_asm+0x34/0x70
[  879.332570]  bpf_clone_redirect+0x14a/0x490
[  879.336923]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  879.341958]  ? __sched_text_start+0x8/0x8
[  879.346126]  ? retint_kernel+0x2d/0x2d
[  879.350038]  ? find_held_lock+0x36/0x1c0
[  879.354128]  ? lock_acquire+0x1ed/0x520
[  879.358117]  ? bpf_test_run+0x3cb/0x780
[  879.362109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.367672]  ? check_preemption_disabled+0x48/0x280
[  879.372710]  ? kasan_check_read+0x11/0x20
[  879.376922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  879.382211]  ? rcu_softirq_qs+0x20/0x20
[  879.386265]  ? preempt_schedule+0x4d/0x60
[  879.390460]  ? ___preempt_schedule+0x16/0x18
[  879.394891]  ? bpf_test_run+0x25d/0x780
[  879.398895]  ? netlink_diag_dump+0x2a0/0x2a0
[  879.403329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.408883]  ? bpf_test_init.isra.10+0x70/0x100
[  879.413581]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  879.418361]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  879.423219]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  879.428789]  ? fput+0x130/0x1a0
[  879.432089]  ? __bpf_prog_get+0x9b/0x290
[  879.436173]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  879.441052]  ? bpf_prog_test_run+0x130/0x1a0
[  879.445484]  ? __x64_sys_bpf+0x3d8/0x520
[  879.449563]  ? bpf_prog_get+0x20/0x20
[  879.453399]  ? do_syscall_64+0x1b9/0x820
[  879.457511]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  879.462892]  ? syscall_return_slowpath+0x5e0/0x5e0
[  879.467865]  ? trace_hardirqs_on_caller+0x310/0x310
[  879.472904]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  879.477957]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  879.484639]  ? __switch_to_asm+0x40/0x70
[  879.488714]  ? __switch_to_asm+0x34/0x70
[  879.492807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  879.497674]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  879.503073] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  879.503285] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  879.509888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  879.509898] Call Trace:
[  879.520394] syz-executor0 cpuset=syz0 mems_allowed=0
[  879.529786]  <IRQ>
[  879.539638]  dump_stack+0x244/0x39d
[  879.543381]  ? dump_stack_print_info.cold.1+0x20/0x20
[  879.548634]  warn_alloc.cold.116+0xb7/0x1bd
[  879.552987]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  879.557855]  ? lock_downgrade+0x900/0x900
[  879.562029]  ? trace_hardirqs_off+0xb8/0x310
[  879.566479]  ? trace_hardirqs_off+0xb8/0x310
[  879.570912]  __alloc_pages_slowpath+0x26e8/0x2e10
[  879.575801]  ? warn_alloc+0x120/0x120
[  879.579622]  ? print_usage_bug+0xc0/0xc0
[  879.583701]  ? warn_alloc+0x120/0x120
[  879.587526]  ? warn_alloc+0x120/0x120
[  879.591347]  ? print_usage_bug+0xc0/0xc0
[  879.595447]  ? kvm_clock_read+0x18/0x30
[  879.599460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  879.604495]  ? print_usage_bug+0xc0/0xc0
[  879.608576]  ? __lock_acquire+0x62f/0x4c20
[  879.612832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.618385]  ? should_fail+0x22d/0xd01
[  879.622316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  879.627612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  879.632732]  ? __lock_acquire+0x62f/0x4c20
[  879.636991]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  879.642108]  ? __lock_acquire+0x62f/0x4c20
[  879.646355]  ? should_fail+0x22d/0xd01
[  879.650315]  ? rcu_irq_exit+0x1a2/0x390
[  879.654312]  ? mark_held_locks+0x130/0x130
[  879.658572]  ? mark_held_locks+0x130/0x130
[  879.662829]  ? mark_held_locks+0xc7/0x130
[  879.666993]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  879.672025]  ? zap_class+0x640/0x640
[  879.675754]  ? print_usage_bug+0xc0/0xc0
[  879.679897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.685468]  ? check_preemption_disabled+0x48/0x280
[  879.690514]  ? __lock_is_held+0xb5/0x140
[  879.694661]  __alloc_pages_nodemask+0xa80/0xde0
[  879.699348]  ? zap_class+0x640/0x640
[  879.703169]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  879.708213]  ? find_held_lock+0x36/0x1c0
[  879.712300]  ? ____cache_alloc_node+0x1c7/0x1e0
[  879.716989]  ? lock_downgrade+0x900/0x900
[  879.721161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.726724]  cache_grow_begin+0xa5/0x8c0
[  879.730800]  ? do_raw_spin_unlock+0xa7/0x330
[  879.735231]  fallback_alloc+0x204/0x2e0
[  879.739230]  ____cache_alloc_node+0x1c7/0x1e0
[  879.743748]  kmem_cache_alloc_node+0xe3/0x730
[  879.748264]  ? ipv6_get_ifaddr+0x42e/0x620
[  879.752537]  __alloc_skb+0x119/0x770
[  879.756268]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  879.761568]  ? netdev_alloc_frag+0x1f0/0x1f0
[  879.765992]  ? lock_downgrade+0x900/0x900
[  879.770166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.775776]  ? refcount_sub_and_test_checked+0x203/0x310
[  879.781247]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  879.786708]  ? addrconf_rs_timer+0x690/0x690
[  879.791144]  ndisc_alloc_skb+0x144/0x340
[  879.795228]  ndisc_send_rs+0x331/0x6e0
[  879.799138]  addrconf_rs_timer+0x314/0x690
[  879.803393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  879.807685]  call_timer_fn+0x272/0x920
[  879.811585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  879.815839]  ? process_timeout+0x40/0x40
[  879.819946]  ? mark_held_locks+0xc7/0x130
[  879.824118]  ? _raw_spin_unlock_irq+0x27/0x80
[  879.828629]  ? _raw_spin_unlock_irq+0x27/0x80
[  879.833136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  879.837385]  ? lockdep_hardirqs_on+0x296/0x5b0
[  879.842013]  ? trace_hardirqs_on+0xbd/0x310
[  879.846439]  ? kasan_check_read+0x11/0x20
[  879.850607]  ? __run_timers+0x7da/0xc70
[  879.854613]  ? trace_hardirqs_off_caller+0x310/0x310
[  879.859785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  879.864043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  879.868292]  __run_timers+0x7e5/0xc70
[  879.872120]  ? timer_fixup_init+0x70/0x70
[  879.876283]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  879.881318]  ? zap_class+0x640/0x640
[  879.885065]  ? print_usage_bug+0xc0/0xc0
[  879.889155]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  879.894502]  ? find_held_lock+0x36/0x1c0
[  879.898588]  ? zap_class+0x640/0x640
[  879.902326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.907884]  ? check_preemption_disabled+0x48/0x280
[  879.912932]  ? __lock_is_held+0xb5/0x140
[  879.917014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.922568]  ? check_preemption_disabled+0x48/0x280
[  879.927608]  run_timer_softirq+0x52/0xb0
[  879.931686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  879.936718]  __do_softirq+0x308/0xb7e
[  879.940538]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  879.945045]  ? lock_downgrade+0x900/0x900
[  879.949210]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  879.954335]  ? pvclock_read_flags+0x160/0x160
[  879.958848]  ? lapic_next_event+0x5a/0x90
[  879.963023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.968648]  ? kvm_clock_read+0x18/0x30
[  879.972642]  ? kvm_sched_clock_read+0x9/0x20
[  879.977068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.982623]  ? check_preemption_disabled+0x48/0x280
[  879.987664]  irq_exit+0x17f/0x1c0
[  879.991141]  smp_apic_timer_interrupt+0x1cb/0x760
[  879.996003]  ? smp_reschedule_interrupt+0x109/0x650
[  880.001037]  ? smp_call_function_single_interrupt+0x650/0x650
[  880.006939]  ? interrupt_entry+0xb5/0xc0
[  880.011023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  880.016121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  880.021154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  880.026013]  ? trace_hardirqs_on_caller+0x310/0x310
[  880.031042]  ? trace_hardirqs_on_caller+0x310/0x310
[  880.036072]  ? task_prio+0x50/0x50
[  880.039629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.045187]  ? check_preemption_disabled+0x48/0x280
[  880.050228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  880.055116]  apic_timer_interrupt+0xf/0x20
[  880.059442]  </IRQ>
[  880.061698] RIP: 0010:dump_stack+0x358/0x39d
[  880.066122] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  880.085037] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  880.092760] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  880.100044] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  880.107327] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  880.114609] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  880.121890] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  880.129210]  ? dump_stack+0x34f/0x39d
[  880.133041]  ? dump_stack_print_info.cold.1+0x20/0x20
[  880.138254]  ? mark_held_locks+0x130/0x130
[  880.142511]  ? mark_held_locks+0x130/0x130
[  880.146770]  dump_header+0x27b/0xf72
[  880.150651]  ? pagefault_out_of_memory+0x197/0x197
[  880.155603]  ? __lock_acquire+0x62f/0x4c20
[  880.159852]  ? percpu_ref_get_many+0x240/0x240
[  880.164480]  ? print_usage_bug+0xc0/0xc0
[  880.168565]  ? zap_class+0x640/0x640
[  880.172295]  ? print_usage_bug+0xc0/0xc0
[  880.176370]  ? print_usage_bug+0xc0/0xc0
[  880.180481]  ? zap_class+0x640/0x640
[  880.184214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.189769]  ? find_held_lock+0x36/0x1c0
[  880.193859]  ? mark_held_locks+0xc7/0x130
[  880.198022]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  880.203162]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  880.208281]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  880.212937]  ? trace_hardirqs_on+0xbd/0x310
[  880.217277]  ? kasan_check_read+0x11/0x20
[  880.221465]  ? ___ratelimit+0x3b4/0x672
[  880.225471]  ? trace_hardirqs_off_caller+0x310/0x310
[  880.230592]  ? trace_hardirqs_on+0x310/0x310
[  880.235020]  ? lock_downgrade+0x900/0x900
[  880.239190]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  880.244309]  ? ___ratelimit+0x3b9/0x672
[  880.248309]  ? idr_get_free+0xf80/0xf80
[  880.252296]  ? find_held_lock+0x36/0x1c0
[  880.256385]  oom_kill_process.cold.27+0x10/0x903
[  880.261189]  ? zap_class+0x640/0x640
[  880.264920]  ? check_preemption_disabled+0x48/0x280
[  880.269962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  880.274907]  ? kasan_check_read+0x11/0x20
[  880.279086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.284382]  ? oom_evaluate_task+0x540/0x540
[  880.288844]  ? find_held_lock+0x36/0x1c0
[  880.292929]  ? out_of_memory+0x974/0x1430
[  880.297096]  ? lock_downgrade+0x900/0x900
[  880.301260]  ? check_preemption_disabled+0x48/0x280
[  880.306294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  880.311238]  ? kasan_check_read+0x11/0x20
[  880.315488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.320777]  ? rcu_softirq_qs+0x20/0x20
[  880.324865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.330442]  ? oom_evaluate_task+0x302/0x540
[  880.334874]  out_of_memory+0xa84/0x1430
[  880.338877]  ? oom_killer_disable+0x3a0/0x3a0
[  880.343428]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  880.348380]  ? __ww_mutex_check_waiters+0x160/0x160
[  880.353473]  __alloc_pages_slowpath+0x2354/0x2e10
[  880.358360]  ? warn_alloc+0x120/0x120
[  880.362236]  ? mark_held_locks+0x130/0x130
[  880.366505]  ? find_get_entry+0xaae/0x1120
[  880.370772]  ? filemap_map_pages+0x1a20/0x1a20
[  880.375374]  ? zap_class+0x640/0x640
[  880.379223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.384776]  ? check_preemption_disabled+0x48/0x280
[  880.389809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.395362]  ? should_fail+0x22d/0xd01
[  880.399330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  880.404469]  ? zap_class+0x640/0x640
[  880.408226]  ? __lock_is_held+0xb5/0x140
[  880.412312]  ? mark_held_locks+0x130/0x130
[  880.416568]  ? lock_release+0xa00/0xa00
[  880.420560]  ? perf_trace_sched_process_exec+0x860/0x860
[  880.426159]  ? xa_load+0x2ba/0x460
[  880.429719]  ? lock_downgrade+0x900/0x900
[  880.433887]  ? __might_sleep+0x95/0x190
[  880.437995]  __alloc_pages_nodemask+0xa80/0xde0
[  880.442692]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  880.447838]  ? __page_cache_alloc+0x191/0x5c0
[  880.452347]  ? xa_load+0x2e1/0x460
[  880.455928]  ? xa_clear_mark+0x40/0x40
[  880.459830]  ? zap_class+0x640/0x640
[  880.463568]  ? zap_class+0x640/0x640
[  880.467298]  ? zap_class+0x640/0x640
[  880.471027]  ? __do_page_cache_readahead+0x663/0x810
[  880.476242]  ? find_held_lock+0x36/0x1c0
[  880.480338]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  880.486010]  alloc_pages_current+0x173/0x350
[  880.490473]  __page_cache_alloc+0x38c/0x5c0
[  880.494811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  880.499757]  ? kasan_check_read+0x11/0x20
[  880.504005]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.509365]  ? generic_perform_write+0x6a0/0x6a0
[  880.514139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.519851]  ? check_preemption_disabled+0x48/0x280
[  880.524893]  filemap_fault+0x1595/0x25f0
[  880.528998]  ? __lock_page_or_retry+0xa00/0xa00
[  880.533804]  ? mark_held_locks+0x130/0x130
[  880.538067]  ? filemap_map_pages+0xd6b/0x1a20
[  880.542601]  ? lock_downgrade+0x900/0x900
[  880.546778]  ? check_preemption_disabled+0x48/0x280
[  880.551813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  880.556896]  ? kasan_check_read+0x11/0x20
[  880.561071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.566360]  ? rcu_softirq_qs+0x20/0x20
[  880.570364]  ? filemap_map_pages+0xd92/0x1a20
[  880.574891]  ? find_get_entries_tag+0x1400/0x1400
[  880.579754]  ? debug_object_destroy+0x2b0/0x2b0
[  880.584465]  ? lock_pi_update_atomic+0x150/0x150
[  880.589292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.594862]  ? lock_acquire+0x1ed/0x520
[  880.598854]  ? ext4_filemap_fault+0x7a/0xad
[  880.603198]  ? lock_release+0xa00/0xa00
[  880.607190]  ? perf_trace_sched_process_exec+0x860/0x860
[  880.612657]  ? print_usage_bug+0xc0/0xc0
[  880.616738]  ? print_usage_bug+0xc0/0xc0
[  880.620962]  ? down_read+0x8d/0x120
[  880.624606]  ? ext4_filemap_fault+0x7a/0xad
[  880.628944]  ? __down_interruptible+0x700/0x700
[  880.633642]  ext4_filemap_fault+0x82/0xad
[  880.637939]  __do_fault+0x100/0x6b0
[  880.641580]  ? find_held_lock+0x36/0x1c0
[  880.645661]  ? pmd_devmap_trans_unstable+0x220/0x220
[  880.650783]  ? mark_held_locks+0x130/0x130
[  880.655035]  ? mark_held_locks+0x130/0x130
[  880.659283]  ? _raw_spin_unlock_irq+0x27/0x80
[  880.663792]  ? _raw_spin_unlock_irq+0x27/0x80
[  880.668303]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  880.672904]  ? kasan_check_read+0x11/0x20
[  880.677080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.682639]  __handle_mm_fault+0x3ea6/0x5be0
[  880.687097]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  880.691956]  ? finish_task_switch+0x1f4/0x910
[  880.696480]  ? finish_task_switch+0x1b4/0x910
[  880.700994]  ? __switch_to_asm+0x34/0x70
[  880.705104]  ? preempt_notifier_register+0x200/0x200
[  880.710285]  ? __switch_to_asm+0x34/0x70
[  880.714363]  ? __switch_to_asm+0x34/0x70
[  880.718476]  ? zap_class+0x640/0x640
[  880.722705]  ? zap_class+0x640/0x640
[  880.726462]  ? __x64_sys_futex+0x53e/0x6a0
[  880.730720]  ? find_held_lock+0x36/0x1c0
[  880.734810]  ? handle_mm_fault+0x42a/0xc70
[  880.739067]  ? lock_downgrade+0x900/0x900
[  880.743229]  ? check_preemption_disabled+0x48/0x280
[  880.748260]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  880.753266]  ? kasan_check_read+0x11/0x20
[  880.757457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.762750]  ? rcu_softirq_qs+0x20/0x20
[  880.766829]  ? trace_hardirqs_off_caller+0x310/0x310
[  880.771951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.777506]  ? check_preemption_disabled+0x48/0x280
[  880.782548]  handle_mm_fault+0x54f/0xc70
[  880.786631]  ? __handle_mm_fault+0x5be0/0x5be0
[  880.791235]  ? find_vma+0x34/0x190
[  880.794799]  __do_page_fault+0x5e8/0xe60
[  880.798875]  ? trace_hardirqs_off+0xb8/0x310
[  880.803321]  do_page_fault+0xf2/0x7e0
[  880.807144]  ? vmalloc_sync_all+0x30/0x30
[  880.811310]  ? error_entry+0x70/0xd0
[  880.815039]  ? trace_hardirqs_off_caller+0xbb/0x310
[  880.820069]  ? trace_hardirqs_on_caller+0xc0/0x310
[  880.825183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  880.830380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  880.835273]  ? trace_hardirqs_on_caller+0x310/0x310
[  880.840307]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  880.845784]  ? prepare_exit_to_usermode+0x291/0x3b0
[  880.850820]  ? page_fault+0x8/0x30
[  880.854383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  880.859275]  ? page_fault+0x8/0x30
[  880.862906]  page_fault+0x1e/0x30
[  880.866372] RIP: 0033:0x45ddf3
[  880.869619] Code: Bad RIP value.
[  880.873054] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  880.878459] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  880.885741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  880.893021] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  880.900301] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  880.907583] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  880.914887] warn_alloc_show_mem: 1 callbacks suppressed
[  880.914899] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  880.914901] Mem-Info:
[  880.914932] active_anon:53034 inactive_anon:131 isolated_anon:0
[  880.914932]  active_file:14 inactive_file:14 isolated_file:0
[  880.914932]  unevictable:0 dirty:0 writeback:0 unstable:0
[  880.914932]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  880.914932]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  880.914932]  free:13749 free_pcp:564 free_cma:0
[  880.920288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  880.920297] Call Trace:
[  880.927335] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  880.929857]  <IRQ>
[  880.963271] 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
[  880.972642]  dump_stack+0x244/0x39d
[  880.975217] lowmem_reserve[]: 0 2818 6321 6321
[  881.002666]  ? dump_stack_print_info.cold.1+0x20/0x20
[  881.004882] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  881.031014]  warn_alloc.cold.116+0xb7/0x1bd
[  881.034624] lowmem_reserve[]: 0 0 3503 3503
[  881.039219]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  881.044431] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  881.071970]  ? lock_downgrade+0x900/0x900
[  881.076275] lowmem_reserve[]: 0 0 0 0
[  881.080626]  ? trace_hardirqs_off+0xb8/0x310
[  881.085470] 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
[  881.114572]  ? trace_hardirqs_off+0xb8/0x310
[  881.118716] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  881.122537]  __alloc_pages_slowpath+0x26e8/0x2e10
[  881.126995] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  881.140565]  ? warn_alloc+0x120/0x120
[  881.144951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  881.160135]  ? warn_alloc+0x120/0x120
[  881.165097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  881.180541]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  881.184335] 166 total pagecache pages
[  881.193183]  ? warn_alloc+0x120/0x120
[  881.196983] 0 pages in swap cache
[  881.205566]  ? print_usage_bug+0xc0/0xc0
[  881.210578] Swap cache stats: add 0, delete 0, find 0/0
[  881.214382]  ? print_usage_bug+0xc0/0xc0
[  881.218207] Free swap  = 0kB
[  881.221671]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  881.225726] Total swap = 0kB
[  881.231107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  881.235157] 1965979 pages RAM
[  881.238186]  ? should_fail+0x22d/0xd01
[  881.243365] 0 pages HighMem/MovableOnly
[  881.243374] 342858 pages reserved
[  881.246449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  881.251976] 0 pages cma reserved
[  881.252050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  881.255107]  ? __lock_acquire+0x62f/0x4c20
[  881.259094] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  881.262991]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  881.266454] syz-fuzzer cpuset=/ mems_allowed=0
[  881.271569]  ? should_fail+0x22d/0xd01
[  881.309501]  ? mark_held_locks+0x130/0x130
[  881.313755]  ? mark_held_locks+0x130/0x130
[  881.318005]  ? print_usage_bug+0xc0/0xc0
[  881.322089]  ? find_held_lock+0x36/0x1c0
[  881.326168]  ? zap_class+0x640/0x640
[  881.329907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.335477]  ? check_preemption_disabled+0x48/0x280
[  881.340522]  ? __lock_is_held+0xb5/0x140
[  881.344613]  __alloc_pages_nodemask+0xa80/0xde0
[  881.349359]  ? zap_class+0x640/0x640
[  881.353096]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  881.358142]  ? find_held_lock+0x36/0x1c0
[  881.362232]  ? ____cache_alloc_node+0x1c7/0x1e0
[  881.366949]  ? lock_downgrade+0x900/0x900
[  881.371123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.376682]  cache_grow_begin+0xa5/0x8c0
[  881.380761]  ? do_raw_spin_unlock+0xa7/0x330
[  881.385191]  fallback_alloc+0x204/0x2e0
[  881.389194]  ____cache_alloc_node+0x1c7/0x1e0
[  881.393726]  kmem_cache_alloc_node+0xe3/0x730
[  881.398234]  ? mark_held_locks+0xc7/0x130
[  881.402437]  __alloc_skb+0x119/0x770
[  881.406180]  ? netdev_alloc_frag+0x1f0/0x1f0
[  881.410623]  ? do_raw_spin_trylock+0x270/0x270
[  881.415224]  ? kmem_cache_alloc_trace+0x353/0x750
[  881.420091]  ? queue_work_on+0x12c/0x1e0
[  881.424344]  ? switchdev_port_obj_del+0xdc/0x440
[  881.429118]  ? switchdev_trans_item_enqueue+0x260/0x260
[  881.434505]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  881.439546]  __br_mdb_notify+0x4ff/0x15d0
[  881.443723]  ? __br_mdb_add+0x7f0/0x7f0
[  881.447737]  ? zap_class+0x640/0x640
[  881.451490]  ? br_multicast_group_expired+0x96/0x610
[  881.456613]  ? estimation_timer+0x5d0/0x890
[  881.460956]  br_mdb_notify+0x310/0x410
[  881.464868]  ? br_mdb_dump+0x27b0/0x27b0
[  881.468985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.474552]  br_multicast_group_expired+0x1bc/0x610
[  881.479702]  ? br_mdb_free+0x80/0x80
[  881.483464]  call_timer_fn+0x272/0x920
[  881.487364]  ? br_mdb_free+0x80/0x80
[  881.491092]  ? process_timeout+0x40/0x40
[  881.495189]  ? __run_timers+0x7da/0xc70
[  881.499181]  ? _raw_spin_unlock_irq+0x27/0x80
[  881.503694]  ? _raw_spin_unlock_irq+0x27/0x80
[  881.508201]  ? br_mdb_free+0x80/0x80
[  881.511953]  ? lockdep_hardirqs_on+0x296/0x5b0
[  881.516558]  ? trace_hardirqs_on+0xbd/0x310
[  881.520894]  ? kasan_check_read+0x11/0x20
[  881.525058]  ? __run_timers+0x7da/0xc70
[  881.529089]  ? trace_hardirqs_off_caller+0x310/0x310
[  881.534218]  ? br_mdb_free+0x80/0x80
[  881.537949]  __run_timers+0x7e5/0xc70
[  881.541773]  ? timer_fixup_init+0x70/0x70
[  881.545941]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  881.550983]  ? zap_class+0x640/0x640
[  881.554717]  ? enqueue_hrtimer+0x1a5/0x560
[  881.558966]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  881.564187]  ? find_held_lock+0x36/0x1c0
[  881.568268]  ? zap_class+0x640/0x640
[  881.572000]  ? pvclock_read_flags+0x160/0x160
[  881.576520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.582076]  ? check_preemption_disabled+0x48/0x280
[  881.587122]  ? __lock_is_held+0xb5/0x140
[  881.591205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.596760]  ? check_preemption_disabled+0x48/0x280
[  881.601797]  run_timer_softirq+0x52/0xb0
[  881.605874]  ? rcu_read_lock_sched_held+0x14f/0x180
[  881.611024]  __do_softirq+0x308/0xb7e
[  881.614849]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  881.619360]  ? lock_downgrade+0x900/0x900
[  881.623530]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  881.628659]  ? pvclock_read_flags+0x160/0x160
[  881.633171]  ? lapic_next_event+0x5a/0x90
[  881.637338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.642974]  ? kvm_clock_read+0x18/0x30
[  881.646995]  ? kvm_sched_clock_read+0x9/0x20
[  881.651456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.657013]  ? check_preemption_disabled+0x48/0x280
[  881.662054]  irq_exit+0x17f/0x1c0
[  881.665526]  smp_apic_timer_interrupt+0x1cb/0x760
[  881.670382]  ? smp_reschedule_interrupt+0x109/0x650
[  881.675457]  ? smp_call_function_single_interrupt+0x650/0x650
[  881.681532]  ? interrupt_entry+0xb5/0xc0
[  881.685609]  ? trace_hardirqs_off_caller+0xbb/0x310
[  881.690640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  881.695712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  881.700575]  ? trace_hardirqs_on_caller+0x310/0x310
[  881.705607]  ? trace_hardirqs_on_caller+0x310/0x310
[  881.710655]  ? task_prio+0x50/0x50
[  881.714212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.719895]  ? check_preemption_disabled+0x48/0x280
[  881.724956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  881.729825]  apic_timer_interrupt+0xf/0x20
[  881.734069]  </IRQ>
[  881.736390] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  881.742317] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  881.761233] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  881.768953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  881.776494] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  881.783780] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  881.791072] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  881.798354] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  881.805666]  ? save_stack+0xa9/0xd0
[  881.809320]  __kmalloc_node_track_caller+0x3c/0x70
[  881.814273]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  881.819054]  pskb_expand_head+0x230/0x10f0
[  881.823392]  ? check_preemption_disabled+0x48/0x280
[  881.828471]  ? memcpy+0x45/0x50
[  881.831766]  ? __copy_skb_header+0x350/0x6b0
[  881.836221]  ? skb_release_data+0x880/0x880
[  881.840556]  ? __alloc_skb+0x770/0x770
[  881.844478]  ? __lock_is_held+0xb5/0x140
[  881.848562]  ? kasan_check_write+0x14/0x20
[  881.852809]  ? __skb_clone+0x6c7/0xa00
[  881.856715]  ? __copy_skb_header+0x6b0/0x6b0
[  881.861155]  ? kmem_cache_alloc+0x33a/0x730
[  881.865496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.871169]  skb_ensure_writable+0x3dd/0x640
[  881.875599]  ? skb_checksum_setup+0xaa0/0xaa0
[  881.880186]  ? preempt_notifier_register+0x200/0x200
[  881.885308]  ? __switch_to_asm+0x34/0x70
[  881.889385]  ? __switch_to_asm+0x34/0x70
[  881.893485]  ? __switch_to_asm+0x40/0x70
[  881.897561]  ? __switch_to_asm+0x34/0x70
[  881.901636]  ? __switch_to_asm+0x40/0x70
[  881.905797]  ? __switch_to_asm+0x40/0x70
[  881.909887]  ? __switch_to_asm+0x34/0x70
[  881.913981]  ? __switch_to_asm+0x34/0x70
[  881.918060]  ? __switch_to_asm+0x40/0x70
[  881.922138]  ? __switch_to_asm+0x34/0x70
[  881.926221]  bpf_clone_redirect+0x14a/0x490
[  881.930568]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  881.935602]  ? __sched_text_start+0x8/0x8
[  881.939774]  ? retint_kernel+0x2d/0x2d
[  881.943682]  ? find_held_lock+0x36/0x1c0
[  881.947950]  ? lock_acquire+0x1ed/0x520
[  881.952086]  ? bpf_test_run+0x3cb/0x780
[  881.956142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.961719]  ? check_preemption_disabled+0x48/0x280
[  881.966771]  ? kasan_check_read+0x11/0x20
[  881.970942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  881.976240]  ? rcu_softirq_qs+0x20/0x20
[  881.980233]  ? preempt_schedule+0x4d/0x60
[  881.984426]  ? ___preempt_schedule+0x16/0x18
[  881.988869]  ? bpf_test_run+0x25d/0x780
[  881.992880]  ? netlink_diag_dump+0x2a0/0x2a0
[  881.997304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  882.002854]  ? bpf_test_init.isra.10+0x70/0x100
[  882.007668]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  882.012476]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  882.017334]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  882.022886]  ? fput+0x130/0x1a0
[  882.026185]  ? __bpf_prog_get+0x9b/0x290
[  882.030263]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  882.035120]  ? bpf_prog_test_run+0x130/0x1a0
[  882.039550]  ? __x64_sys_bpf+0x3d8/0x520
[  882.043624]  ? bpf_prog_get+0x20/0x20
[  882.047480]  ? do_syscall_64+0x1b9/0x820
[  882.051556]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  882.056941]  ? syscall_return_slowpath+0x5e0/0x5e0
[  882.061899]  ? trace_hardirqs_on_caller+0x310/0x310
[  882.067072]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  882.072107]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  882.078790]  ? __switch_to_asm+0x40/0x70
[  882.082876]  ? __switch_to_asm+0x34/0x70
[  882.086971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  882.091855]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  882.097368] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  882.097562] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  882.104211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  882.104220] Call Trace:
[  882.114726] syz-executor0 cpuset=syz0 mems_allowed=0
[  882.124082]  <IRQ>
[  882.133935]  dump_stack+0x244/0x39d
[  882.137585]  ? dump_stack_print_info.cold.1+0x20/0x20
[  882.142831]  warn_alloc.cold.116+0xb7/0x1bd
[  882.147173]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  882.152040]  ? lock_downgrade+0x900/0x900
[  882.156217]  ? trace_hardirqs_off+0xb8/0x310
[  882.160797]  ? trace_hardirqs_off+0xb8/0x310
[  882.165232]  __alloc_pages_slowpath+0x26e8/0x2e10
[  882.170122]  ? warn_alloc+0x120/0x120
[  882.173941]  ? __lock_is_held+0xb5/0x140
[  882.178022]  ? warn_alloc+0x120/0x120
[  882.181844]  ? warn_alloc+0x120/0x120
[  882.185660]  ? print_usage_bug+0xc0/0xc0
[  882.189739]  ? print_usage_bug+0xc0/0xc0
[  882.193816]  ? find_held_lock+0x36/0x1c0
[  882.197893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  882.203451]  ? should_fail+0x22d/0xd01
[  882.207354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  882.212481]  ? __lock_acquire+0x62f/0x4c20
[  882.216722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  882.221825]  ? should_fail+0x22d/0xd01
[  882.225724]  ? print_usage_bug+0xc0/0xc0
[  882.229832]  ? mark_held_locks+0x130/0x130
[  882.234063]  ? mark_held_locks+0x130/0x130
[  882.238313]  ? kvm_clock_read+0x18/0x30
[  882.242294]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  882.247328]  ? __lock_acquire+0x62f/0x4c20
[  882.251566]  ? zap_class+0x640/0x640
[  882.255286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.260829]  ? check_preemption_disabled+0x48/0x280
[  882.265870]  ? __lock_is_held+0xb5/0x140
[  882.269944]  __alloc_pages_nodemask+0xa80/0xde0
[  882.274614]  ? zap_class+0x640/0x640
[  882.278338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  882.283380]  ? find_held_lock+0x36/0x1c0
[  882.287472]  ? ____cache_alloc_node+0x1c7/0x1e0
[  882.292144]  ? lock_downgrade+0x900/0x900
[  882.296300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.301845]  cache_grow_begin+0xa5/0x8c0
[  882.305921]  ? do_raw_spin_unlock+0xa7/0x330
[  882.310348]  fallback_alloc+0x204/0x2e0
[  882.314385]  ____cache_alloc_node+0x1c7/0x1e0
[  882.318913]  kmem_cache_alloc_node+0xe3/0x730
[  882.323443]  __alloc_skb+0x119/0x770
[  882.327177]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  882.332292]  ? netdev_alloc_frag+0x1f0/0x1f0
[  882.336740]  ? mark_held_locks+0x130/0x130
[  882.340985]  ? __lock_acquire+0x62f/0x4c20
[  882.345229]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  882.350369]  ? mod_timer+0x631/0x1560
[  882.354199]  ? wake_up_klogd+0x180/0x180
[  882.358273]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  882.363308]  __br_mdb_notify+0x4ff/0x15d0
[  882.367473]  ? lockdep_hardirqs_on+0x270/0x5b0
[  882.372069]  ? __br_mdb_add+0x7f0/0x7f0
[  882.376068]  ? zap_class+0x640/0x640
[  882.379812]  ? lock_acquire+0x1ed/0x520
[  882.383815]  ? br_multicast_group_expired+0x96/0x610
[  882.388942]  br_mdb_notify+0x310/0x410
[  882.392849]  ? br_mdb_dump+0x27b0/0x27b0
[  882.396931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.402492]  br_multicast_group_expired+0x1bc/0x610
[  882.407524]  ? br_mdb_free+0x80/0x80
[  882.411262]  call_timer_fn+0x272/0x920
[  882.415161]  ? br_mdb_free+0x80/0x80
[  882.418894]  ? process_timeout+0x40/0x40
[  882.422981]  ? mark_held_locks+0xc7/0x130
[  882.427146]  ? _raw_spin_unlock_irq+0x27/0x80
[  882.431654]  ? _raw_spin_unlock_irq+0x27/0x80
[  882.436179]  ? br_mdb_free+0x80/0x80
[  882.439914]  ? lockdep_hardirqs_on+0x296/0x5b0
[  882.444518]  ? trace_hardirqs_on+0xbd/0x310
[  882.448854]  ? kasan_check_read+0x11/0x20
[  882.453017]  ? __run_timers+0x7da/0xc70
[  882.457007]  ? trace_hardirqs_off_caller+0x310/0x310
[  882.462129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  882.466437]  ? br_mdb_free+0x80/0x80
[  882.470168]  __run_timers+0x7e5/0xc70
[  882.473997]  ? timer_fixup_init+0x70/0x70
[  882.478337]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  882.483377]  ? zap_class+0x640/0x640
[  882.487142]  ? print_usage_bug+0xc0/0xc0
[  882.491223]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  882.496473]  ? find_held_lock+0x36/0x1c0
[  882.500558]  ? zap_class+0x640/0x640
[  882.504311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.509856]  ? check_preemption_disabled+0x48/0x280
[  882.514893]  ? __lock_is_held+0xb5/0x140
[  882.519010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.524565]  ? check_preemption_disabled+0x48/0x280
[  882.529603]  run_timer_softirq+0x52/0xb0
[  882.533683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  882.538718]  __do_softirq+0x308/0xb7e
[  882.542540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  882.547112]  ? lock_downgrade+0x900/0x900
[  882.551294]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  882.556452]  ? pvclock_read_flags+0x160/0x160
[  882.560970]  ? lapic_next_event+0x5a/0x90
[  882.565140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.570797]  ? kvm_clock_read+0x18/0x30
[  882.574790]  ? kvm_sched_clock_read+0x9/0x20
[  882.579217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  882.584777]  ? check_preemption_disabled+0x48/0x280
[  882.589836]  irq_exit+0x17f/0x1c0
[  882.593311]  smp_apic_timer_interrupt+0x1cb/0x760
[  882.598169]  ? smp_reschedule_interrupt+0x109/0x650
[  882.603206]  ? smp_call_function_single_interrupt+0x650/0x650
[  882.609224]  ? interrupt_entry+0xb5/0xc0
[  882.613303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  882.618332]  ? trace_hardirqs_off_caller+0xbb/0x310
[  882.623364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  882.628227]  ? trace_hardirqs_on_caller+0x310/0x310
[  882.633260]  ? trace_hardirqs_on_caller+0x310/0x310
[  882.638290]  ? task_prio+0x50/0x50
[  882.641847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.647526]  ? check_preemption_disabled+0x48/0x280
[  882.652563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  882.657457]  apic_timer_interrupt+0xf/0x20
[  882.661819]  </IRQ>
[  882.664072] RIP: 0010:dump_stack+0x358/0x39d
[  882.668497] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  882.687623] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  882.695345] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  882.702629] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  882.709910] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  882.717193] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  882.725045] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  882.732351]  ? dump_stack+0x34f/0x39d
[  882.736177]  ? dump_stack_print_info.cold.1+0x20/0x20
[  882.741386]  ? mark_held_locks+0x130/0x130
[  882.745667]  ? mark_held_locks+0x130/0x130
[  882.749996]  dump_header+0x27b/0xf72
[  882.753741]  ? pagefault_out_of_memory+0x197/0x197
[  882.758697]  ? __lock_acquire+0x62f/0x4c20
[  882.762982]  ? percpu_ref_get_many+0x240/0x240
[  882.767588]  ? print_usage_bug+0xc0/0xc0
[  882.771671]  ? zap_class+0x640/0x640
[  882.775436]  ? print_usage_bug+0xc0/0xc0
[  882.779520]  ? print_usage_bug+0xc0/0xc0
[  882.783598]  ? zap_class+0x640/0x640
[  882.787330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.792900]  ? find_held_lock+0x36/0x1c0
[  882.796987]  ? mark_held_locks+0xc7/0x130
[  882.801154]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  882.806277]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  882.811397]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  882.816052]  ? trace_hardirqs_on+0xbd/0x310
[  882.821697]  ? kasan_check_read+0x11/0x20
[  882.825865]  ? ___ratelimit+0x3b4/0x672
[  882.830211]  ? trace_hardirqs_off_caller+0x310/0x310
[  882.835336]  ? trace_hardirqs_on+0x310/0x310
[  882.839764]  ? lock_downgrade+0x900/0x900
[  882.844081]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  882.849203]  ? ___ratelimit+0x3b9/0x672
[  882.853812]  ? idr_get_free+0xf80/0xf80
[  882.857829]  ? find_held_lock+0x36/0x1c0
[  882.861929]  oom_kill_process.cold.27+0x10/0x903
[  882.866705]  ? zap_class+0x640/0x640
[  882.871283]  ? check_preemption_disabled+0x48/0x280
[  882.876320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  882.881265]  ? kasan_check_read+0x11/0x20
[  882.885455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  882.890751]  ? oom_evaluate_task+0x540/0x540
[  882.895183]  ? find_held_lock+0x36/0x1c0
[  882.899398]  ? out_of_memory+0x974/0x1430
[  882.903597]  ? lock_downgrade+0x900/0x900
[  882.907764]  ? check_preemption_disabled+0x48/0x280
[  882.912800]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  882.917745]  ? kasan_check_read+0x11/0x20
[  882.921914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  882.927205]  ? rcu_softirq_qs+0x20/0x20
[  882.931269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  882.936825]  ? oom_evaluate_task+0x302/0x540
[  882.941254]  out_of_memory+0xa84/0x1430
[  882.945258]  ? oom_killer_disable+0x3a0/0x3a0
[  882.949780]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  882.954746]  ? __ww_mutex_check_waiters+0x160/0x160
[  882.959802]  __alloc_pages_slowpath+0x2354/0x2e10
[  882.964691]  ? warn_alloc+0x120/0x120
[  882.968511]  ? mark_held_locks+0x130/0x130
[  882.972768]  ? find_get_entry+0xaae/0x1120
[  882.977031]  ? filemap_map_pages+0x1a20/0x1a20
[  882.981803]  ? zap_class+0x640/0x640
[  882.985543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.991302]  ? check_preemption_disabled+0x48/0x280
[  882.996337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  883.001893]  ? should_fail+0x22d/0xd01
[  883.005816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  883.010938]  ? zap_class+0x640/0x640
[  883.014699]  ? __lock_is_held+0xb5/0x140
[  883.018785]  ? mark_held_locks+0x130/0x130
[  883.023040]  ? lock_release+0xa00/0xa00
[  883.027054]  ? perf_trace_sched_process_exec+0x860/0x860
[  883.032523]  ? xa_load+0x2ba/0x460
[  883.036208]  ? lock_downgrade+0x900/0x900
[  883.040378]  ? __might_sleep+0x95/0x190
[  883.044431]  __alloc_pages_nodemask+0xa80/0xde0
[  883.049127]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  883.054162]  ? __page_cache_alloc+0x191/0x5c0
[  883.058673]  ? xa_load+0x2e1/0x460
[  883.062229]  ? xa_clear_mark+0x40/0x40
[  883.066136]  ? zap_class+0x640/0x640
[  883.069889]  ? zap_class+0x640/0x640
[  883.073717]  ? zap_class+0x640/0x640
[  883.077468]  ? __do_page_cache_readahead+0x663/0x810
[  883.082605]  ? find_held_lock+0x36/0x1c0
[  883.086697]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  883.092260]  alloc_pages_current+0x173/0x350
[  883.096877]  __page_cache_alloc+0x38c/0x5c0
[  883.101213]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  883.106309]  ? kasan_check_read+0x11/0x20
[  883.110473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  883.115773]  ? generic_perform_write+0x6a0/0x6a0
[  883.120548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  883.126109]  ? check_preemption_disabled+0x48/0x280
[  883.131154]  filemap_fault+0x1595/0x25f0
[  883.135247]  ? __lock_page_or_retry+0xa00/0xa00
[  883.139946]  ? mark_held_locks+0x130/0x130
[  883.144217]  ? filemap_map_pages+0xd6b/0x1a20
[  883.148733]  ? lock_downgrade+0x900/0x900
[  883.152899]  ? check_preemption_disabled+0x48/0x280
[  883.157970]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  883.162915]  ? kasan_check_read+0x11/0x20
[  883.167078]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  883.172373]  ? rcu_softirq_qs+0x20/0x20
[  883.176436]  ? filemap_map_pages+0xd92/0x1a20
[  883.180990]  ? find_get_entries_tag+0x1400/0x1400
[  883.185849]  ? debug_object_destroy+0x2b0/0x2b0
[  883.190538]  ? lock_pi_update_atomic+0x150/0x150
[  883.195310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  883.201058]  ? lock_acquire+0x1ed/0x520
[  883.205055]  ? ext4_filemap_fault+0x7a/0xad
[  883.209430]  ? lock_release+0xa00/0xa00
[  883.213451]  ? perf_trace_sched_process_exec+0x860/0x860
[  883.218958]  ? print_usage_bug+0xc0/0xc0
[  883.223037]  ? print_usage_bug+0xc0/0xc0
[  883.227128]  ? down_read+0x8d/0x120
[  883.230780]  ? ext4_filemap_fault+0x7a/0xad
[  883.235136]  ? __down_interruptible+0x700/0x700
[  883.239860]  ext4_filemap_fault+0x82/0xad
[  883.244027]  __do_fault+0x100/0x6b0
[  883.247671]  ? find_held_lock+0x36/0x1c0
[  883.251751]  ? pmd_devmap_trans_unstable+0x220/0x220
[  883.256887]  ? mark_held_locks+0x130/0x130
[  883.261163]  ? mark_held_locks+0x130/0x130
[  883.265545]  ? _raw_spin_unlock_irq+0x27/0x80
[  883.270057]  ? _raw_spin_unlock_irq+0x27/0x80
[  883.274575]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  883.279178]  ? kasan_check_read+0x11/0x20
[  883.283345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  883.288907]  __handle_mm_fault+0x3ea6/0x5be0
[  883.293344]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  883.298208]  ? finish_task_switch+0x1f4/0x910
[  883.302721]  ? finish_task_switch+0x1b4/0x910
[  883.307234]  ? __switch_to_asm+0x34/0x70
[  883.311319]  ? preempt_notifier_register+0x200/0x200
[  883.316459]  ? __switch_to_asm+0x34/0x70
[  883.320631]  ? __switch_to_asm+0x34/0x70
[  883.324723]  ? zap_class+0x640/0x640
[  883.328488]  ? zap_class+0x640/0x640
[  883.332216]  ? __x64_sys_futex+0x53e/0x6a0
[  883.336478]  ? find_held_lock+0x36/0x1c0
[  883.340631]  ? handle_mm_fault+0x42a/0xc70
[  883.344893]  ? lock_downgrade+0x900/0x900
[  883.349094]  ? check_preemption_disabled+0x48/0x280
[  883.354243]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  883.359190]  ? kasan_check_read+0x11/0x20
[  883.363482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  883.368775]  ? rcu_softirq_qs+0x20/0x20
[  883.372877]  ? trace_hardirqs_off_caller+0x310/0x310
[  883.377997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  883.383560]  ? check_preemption_disabled+0x48/0x280
[  883.388605]  handle_mm_fault+0x54f/0xc70
[  883.392686]  ? __handle_mm_fault+0x5be0/0x5be0
[  883.397300]  ? find_vma+0x34/0x190
[  883.400864]  __do_page_fault+0x5e8/0xe60
[  883.404942]  ? trace_hardirqs_off+0xb8/0x310
[  883.409486]  do_page_fault+0xf2/0x7e0
[  883.413305]  ? vmalloc_sync_all+0x30/0x30
[  883.417549]  ? error_entry+0x70/0xd0
[  883.421390]  ? trace_hardirqs_off_caller+0xbb/0x310
[  883.426678]  ? trace_hardirqs_on_caller+0xc0/0x310
[  883.431651]  ? syscall_return_slowpath+0x5e0/0x5e0
[  883.436595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  883.441486]  ? trace_hardirqs_on_caller+0x310/0x310
[  883.446664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  883.452133]  ? prepare_exit_to_usermode+0x291/0x3b0
[  883.457255]  ? page_fault+0x8/0x30
[  883.460987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  883.465884]  ? page_fault+0x8/0x30
[  883.469469]  page_fault+0x1e/0x30
[  883.472938] RIP: 0033:0x45ddf3
[  883.476160] Code: Bad RIP value.
[  883.479537] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  883.484915] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  883.492200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  883.499482] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  883.506771] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  883.514071] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  883.521474] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  883.521507] warn_alloc_show_mem: 1 callbacks suppressed
[  883.521513] Mem-Info:
[  883.528519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  883.528528] Call Trace:
[  883.533918] active_anon:53034 inactive_anon:131 isolated_anon:0
[  883.533918]  active_file:14 inactive_file:14 isolated_file:0
[  883.533918]  unevictable:0 dirty:0 writeback:0 unstable:0
[  883.533918]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  883.533918]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  883.533918]  free:13749 free_pcp:564 free_cma:0
[  883.536317]  <IRQ>
[  883.545933] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  883.548555]  dump_stack+0x244/0x39d
[  883.581600] 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
[  883.583768]  ? dump_stack_print_info.cold.1+0x20/0x20
[  883.611171] lowmem_reserve[]: 0 2818 6321 6321
[  883.614830]  warn_alloc.cold.116+0xb7/0x1bd
[  883.641059] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  883.646267]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  883.650838] lowmem_reserve[]: 0 0 3503 3503
[  883.655182]  ? lock_downgrade+0x900/0x900
[  883.682672] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  883.687670]  ? trace_hardirqs_off+0xb8/0x310
[  883.691976] lowmem_reserve[]: 0 0 0 0
[  883.696151]  ? trace_hardirqs_off+0xb8/0x310
[  883.725326] 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
[  883.729755]  __alloc_pages_slowpath+0x26e8/0x2e10
[  883.733662] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  883.738113]  ? warn_alloc+0x120/0x120
[  883.751735] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  883.756597]  ? warn_alloc+0x120/0x120
[  883.771770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  883.775579]  ? warn_alloc+0x120/0x120
[  883.791012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  883.794821]  ? print_usage_bug+0xc0/0xc0
[  883.803650] 166 total pagecache pages
[  883.807481]  ? mark_held_locks+0x130/0x130
[  883.816056] 0 pages in swap cache
[  883.820127]  ? do_raw_spin_unlock+0xa7/0x330
[  883.823934] Swap cache stats: add 0, delete 0, find 0/0
[  883.828180]  ? print_usage_bug+0xc0/0xc0
[  883.831632] Free swap  = 0kB
[  883.836058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  883.841434] Total swap = 0kB
[  883.845511]  ? should_fail+0x22d/0xd01
[  883.848526] 1965979 pages RAM
[  883.854214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  883.857227] 0 pages HighMem/MovableOnly
[  883.857236] 342858 pages reserved
[  883.861137]  ? __lock_acquire+0x62f/0x4c20
[  883.864235] 0 pages cma reserved
[  883.869351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  883.873558] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  883.876898]  ? __lock_acquire+0x62f/0x4c20
[  883.881154] syz-fuzzer cpuset=/ mems_allowed=0
[  883.884533]  ? should_fail+0x22d/0xd01
[  883.912694]  ? mark_held_locks+0x130/0x130
[  883.916958]  ? mark_held_locks+0x130/0x130
[  883.921395]  ? zap_class+0x640/0x640
[  883.925156]  ? print_usage_bug+0xc0/0xc0
[  883.929232]  ? find_held_lock+0x36/0x1c0
[  883.933312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  883.938905]  ? check_preemption_disabled+0x48/0x280
[  883.943958]  ? __lock_is_held+0xb5/0x140
[  883.948047]  __alloc_pages_nodemask+0xa80/0xde0
[  883.952736]  ? zap_class+0x640/0x640
[  883.956479]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  883.961527]  ? find_held_lock+0x36/0x1c0
[  883.965618]  ? ____cache_alloc_node+0x1c7/0x1e0
[  883.970308]  ? lock_downgrade+0x900/0x900
[  883.974487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  883.980047]  cache_grow_begin+0xa5/0x8c0
[  883.984126]  ? do_raw_spin_unlock+0xa7/0x330
[  883.988561]  fallback_alloc+0x204/0x2e0
[  883.992566]  ____cache_alloc_node+0x1c7/0x1e0
[  883.997085]  kmem_cache_alloc_node+0xe3/0x730
[  884.001596]  ? ipv6_get_ifaddr+0x42e/0x620
[  884.005867]  __alloc_skb+0x119/0x770
[  884.009597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  884.014902]  ? netdev_alloc_frag+0x1f0/0x1f0
[  884.019344]  ? lock_downgrade+0x900/0x900
[  884.023642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.029198]  ? refcount_sub_and_test_checked+0x203/0x310
[  884.034907]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  884.040381]  ? addrconf_rs_timer+0x690/0x690
[  884.044843]  ndisc_alloc_skb+0x144/0x340
[  884.048933]  ndisc_send_rs+0x331/0x6e0
[  884.052844]  addrconf_rs_timer+0x314/0x690
[  884.057102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  884.061364]  call_timer_fn+0x272/0x920
[  884.065267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  884.069522]  ? process_timeout+0x40/0x40
[  884.073609]  ? __run_timers+0x7da/0xc70
[  884.077609]  ? _raw_spin_unlock_irq+0x27/0x80
[  884.082137]  ? _raw_spin_unlock_irq+0x27/0x80
[  884.086646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  884.090902]  ? lockdep_hardirqs_on+0x296/0x5b0
[  884.095509]  ? trace_hardirqs_on+0xbd/0x310
[  884.099847]  ? kasan_check_read+0x11/0x20
[  884.104011]  ? __run_timers+0x7da/0xc70
[  884.108004]  ? trace_hardirqs_off_caller+0x310/0x310
[  884.113136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  884.117552]  __run_timers+0x7e5/0xc70
[  884.121430]  ? timer_fixup_init+0x70/0x70
[  884.125676]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  884.130713]  ? zap_class+0x640/0x640
[  884.134468]  ? enqueue_hrtimer+0x1a5/0x560
[  884.138725]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  884.143945]  ? find_held_lock+0x36/0x1c0
[  884.148037]  ? zap_class+0x640/0x640
[  884.151779]  ? pvclock_read_flags+0x160/0x160
[  884.156295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.161850]  ? check_preemption_disabled+0x48/0x280
[  884.166892]  ? __lock_is_held+0xb5/0x140
[  884.170983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.176607]  ? check_preemption_disabled+0x48/0x280
[  884.181736]  run_timer_softirq+0x52/0xb0
[  884.185827]  ? rcu_read_lock_sched_held+0x14f/0x180
[  884.190857]  __do_softirq+0x308/0xb7e
[  884.194700]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  884.199218]  ? lock_downgrade+0x900/0x900
[  884.203397]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  884.208553]  ? pvclock_read_flags+0x160/0x160
[  884.213067]  ? lapic_next_event+0x5a/0x90
[  884.217235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.222797]  ? kvm_clock_read+0x18/0x30
[  884.226788]  ? kvm_sched_clock_read+0x9/0x20
[  884.231215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.236772]  ? check_preemption_disabled+0x48/0x280
[  884.241824]  irq_exit+0x17f/0x1c0
[  884.245320]  smp_apic_timer_interrupt+0x1cb/0x760
[  884.250182]  ? smp_reschedule_interrupt+0x109/0x650
[  884.255220]  ? smp_call_function_single_interrupt+0x650/0x650
[  884.261121]  ? interrupt_entry+0xb5/0xc0
[  884.265202]  ? trace_hardirqs_off_caller+0xbb/0x310
[  884.270234]  ? trace_hardirqs_off_caller+0xbb/0x310
[  884.275356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  884.280219]  ? trace_hardirqs_on_caller+0x310/0x310
[  884.285253]  ? trace_hardirqs_on_caller+0x310/0x310
[  884.290288]  ? task_prio+0x50/0x50
[  884.293847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.299441]  ? check_preemption_disabled+0x48/0x280
[  884.304486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  884.309372]  apic_timer_interrupt+0xf/0x20
[  884.313642]  </IRQ>
[  884.315897] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  884.321802] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  884.340806] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  884.348528] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  884.355810] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  884.363093] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  884.370377] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  884.377689] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  884.385018]  ? save_stack+0xa9/0xd0
[  884.388697]  __kmalloc_node_track_caller+0x3c/0x70
[  884.393674]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  884.398479]  pskb_expand_head+0x230/0x10f0
[  884.402734]  ? check_preemption_disabled+0x48/0x280
[  884.407788]  ? memcpy+0x45/0x50
[  884.411086]  ? __copy_skb_header+0x350/0x6b0
[  884.415512]  ? skb_release_data+0x880/0x880
[  884.419848]  ? __alloc_skb+0x770/0x770
[  884.424628]  ? __lock_is_held+0xb5/0x140
[  884.428732]  ? kasan_check_write+0x14/0x20
[  884.432991]  ? __skb_clone+0x6c7/0xa00
[  884.436897]  ? __copy_skb_header+0x6b0/0x6b0
[  884.441326]  ? kmem_cache_alloc+0x33a/0x730
[  884.445665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.451227]  skb_ensure_writable+0x3dd/0x640
[  884.455656]  ? skb_checksum_setup+0xaa0/0xaa0
[  884.460170]  ? preempt_notifier_register+0x200/0x200
[  884.465289]  ? __switch_to_asm+0x34/0x70
[  884.469365]  ? __switch_to_asm+0x34/0x70
[  884.473462]  ? __switch_to_asm+0x40/0x70
[  884.477537]  ? __switch_to_asm+0x34/0x70
[  884.481760]  ? __switch_to_asm+0x40/0x70
[  884.485835]  ? __switch_to_asm+0x40/0x70
[  884.489908]  ? __switch_to_asm+0x34/0x70
[  884.493992]  ? __switch_to_asm+0x34/0x70
[  884.498067]  ? __switch_to_asm+0x40/0x70
[  884.502144]  ? __switch_to_asm+0x34/0x70
[  884.506236]  bpf_clone_redirect+0x14a/0x490
[  884.510587]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  884.515622]  ? __sched_text_start+0x8/0x8
[  884.519791]  ? retint_kernel+0x2d/0x2d
[  884.523709]  ? find_held_lock+0x36/0x1c0
[  884.527795]  ? lock_acquire+0x1ed/0x520
[  884.531937]  ? bpf_test_run+0x3cb/0x780
[  884.536066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.541620]  ? check_preemption_disabled+0x48/0x280
[  884.546674]  ? kasan_check_read+0x11/0x20
[  884.550866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  884.556184]  ? rcu_softirq_qs+0x20/0x20
[  884.560172]  ? preempt_schedule+0x4d/0x60
[  884.564344]  ? ___preempt_schedule+0x16/0x18
[  884.568902]  ? bpf_test_run+0x25d/0x780
[  884.572934]  ? netlink_diag_dump+0x2a0/0x2a0
[  884.577387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  884.582966]  ? bpf_test_init.isra.10+0x70/0x100
[  884.587661]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  884.592464]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  884.597463]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  884.603134]  ? fput+0x130/0x1a0
[  884.606456]  ? __bpf_prog_get+0x9b/0x290
[  884.610541]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  884.615399]  ? bpf_prog_test_run+0x130/0x1a0
[  884.619884]  ? __x64_sys_bpf+0x3d8/0x520
[  884.624026]  ? bpf_prog_get+0x20/0x20
[  884.627891]  ? do_syscall_64+0x1b9/0x820
[  884.631975]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  884.637357]  ? syscall_return_slowpath+0x5e0/0x5e0
[  884.642310]  ? trace_hardirqs_on_caller+0x310/0x310
[  884.647520]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  884.652560]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  884.659267]  ? __switch_to_asm+0x40/0x70
[  884.663345]  ? __switch_to_asm+0x34/0x70
[  884.667453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  884.672328]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  884.677963] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  884.678080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  884.684669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  884.684679] Call Trace:
[  884.691268] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  884.700538]  <IRQ>
[  884.703128] syz-executor0 cpuset=syz0 mems_allowed=0
[  884.713628]  dump_stack+0x244/0x39d
[  884.725058]  ? dump_stack_print_info.cold.1+0x20/0x20
[  884.730328]  warn_alloc.cold.116+0xb7/0x1bd
[  884.734670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  884.739535]  ? lock_downgrade+0x900/0x900
[  884.743708]  ? trace_hardirqs_off+0xb8/0x310
[  884.748142]  ? trace_hardirqs_off+0xb8/0x310
[  884.752578]  __alloc_pages_slowpath+0x26e8/0x2e10
[  884.757498]  ? warn_alloc+0x120/0x120
[  884.761345]  ? warn_alloc+0x120/0x120
[  884.765175]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  884.770204]  ? warn_alloc+0x120/0x120
[  884.774024]  ? print_usage_bug+0xc0/0xc0
[  884.778104]  ? print_usage_bug+0xc0/0xc0
[  884.782180]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  884.787400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  884.792996]  ? should_fail+0x22d/0xd01
[  884.796904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  884.802029]  ? __lock_acquire+0x62f/0x4c20
[  884.806283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  884.811465]  ? should_fail+0x22d/0xd01
[  884.815381]  ? mark_held_locks+0x130/0x130
[  884.819671]  ? mark_held_locks+0x130/0x130
[  884.823921]  ? kvm_clock_read+0x18/0x30
[  884.827910]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  884.833162]  ? ktime_get+0x2c1/0x400
[  884.836899]  ? zap_class+0x640/0x640
[  884.840637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.846206]  ? check_preemption_disabled+0x48/0x280
[  884.851249]  ? __lock_is_held+0xb5/0x140
[  884.855341]  __alloc_pages_nodemask+0xa80/0xde0
[  884.860029]  ? zap_class+0x640/0x640
[  884.863766]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  884.868875]  ? find_held_lock+0x36/0x1c0
[  884.872965]  ? ____cache_alloc_node+0x1c7/0x1e0
[  884.877655]  ? lock_downgrade+0x900/0x900
[  884.881940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.887565]  cache_grow_begin+0xa5/0x8c0
[  884.891647]  ? do_raw_spin_unlock+0xa7/0x330
[  884.896082]  fallback_alloc+0x204/0x2e0
[  884.900082]  ____cache_alloc_node+0x1c7/0x1e0
[  884.904604]  kmem_cache_alloc_node+0xe3/0x730
[  884.909126]  __alloc_skb+0x119/0x770
[  884.912863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  884.917302]  ? mark_held_locks+0x130/0x130
[  884.921559]  ? __lock_acquire+0x62f/0x4c20
[  884.925911]  ? trace_hardirqs_off_caller+0x310/0x310
[  884.931044]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  884.936094]  __br_mdb_notify+0x4ff/0x15d0
[  884.940269]  ? __br_mdb_add+0x7f0/0x7f0
[  884.944273]  ? zap_class+0x640/0x640
[  884.948007]  ? lock_acquire+0x1ed/0x520
[  884.952114]  ? br_multicast_group_expired+0x96/0x610
[  884.957241]  ? lock_downgrade+0x900/0x900
[  884.961445]  br_mdb_notify+0x310/0x410
[  884.965355]  ? br_mdb_dump+0x27b0/0x27b0
[  884.969469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  884.975032]  br_multicast_group_expired+0x1bc/0x610
[  884.980071]  ? br_mdb_free+0x80/0x80
[  884.983813]  call_timer_fn+0x272/0x920
[  884.987728]  ? br_mdb_free+0x80/0x80
[  884.991515]  ? process_timeout+0x40/0x40
[  884.995604]  ? mark_held_locks+0xc7/0x130
[  884.999788]  ? _raw_spin_unlock_irq+0x27/0x80
[  885.004305]  ? _raw_spin_unlock_irq+0x27/0x80
[  885.008813]  ? br_mdb_free+0x80/0x80
[  885.012549]  ? lockdep_hardirqs_on+0x296/0x5b0
[  885.017152]  ? trace_hardirqs_on+0xbd/0x310
[  885.021493]  ? kasan_check_read+0x11/0x20
[  885.025658]  ? __run_timers+0x7da/0xc70
[  885.029652]  ? trace_hardirqs_off_caller+0x310/0x310
[  885.034775]  ? br_mdb_free+0x80/0x80
[  885.038525]  ? br_mdb_free+0x80/0x80
[  885.042253]  __run_timers+0x7e5/0xc70
[  885.046081]  ? timer_fixup_init+0x70/0x70
[  885.050247]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  885.055285]  ? zap_class+0x640/0x640
[  885.059022]  ? print_usage_bug+0xc0/0xc0
[  885.063102]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  885.068314]  ? find_held_lock+0x36/0x1c0
[  885.072485]  ? zap_class+0x640/0x640
[  885.076222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.081787]  ? check_preemption_disabled+0x48/0x280
[  885.086827]  ? __lock_is_held+0xb5/0x140
[  885.090907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.096489]  ? check_preemption_disabled+0x48/0x280
[  885.101529]  run_timer_softirq+0x52/0xb0
[  885.105608]  ? rcu_read_lock_sched_held+0x14f/0x180
[  885.110640]  __do_softirq+0x308/0xb7e
[  885.114485]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  885.118999]  ? lock_downgrade+0x900/0x900
[  885.123169]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  885.128299]  ? pvclock_read_flags+0x160/0x160
[  885.132813]  ? lapic_next_event+0x5a/0x90
[  885.137000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.142565]  ? kvm_clock_read+0x18/0x30
[  885.146559]  ? kvm_sched_clock_read+0x9/0x20
[  885.151003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  885.156560]  ? check_preemption_disabled+0x48/0x280
[  885.161608]  irq_exit+0x17f/0x1c0
[  885.165079]  smp_apic_timer_interrupt+0x1cb/0x760
[  885.169966]  ? smp_reschedule_interrupt+0x109/0x650
[  885.175158]  ? smp_call_function_single_interrupt+0x650/0x650
[  885.181062]  ? interrupt_entry+0xb5/0xc0
[  885.185142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  885.190172]  ? trace_hardirqs_off_caller+0xbb/0x310
[  885.195297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  885.200159]  ? trace_hardirqs_on_caller+0x310/0x310
[  885.205260]  ? trace_hardirqs_on_caller+0x310/0x310
[  885.210295]  ? task_prio+0x50/0x50
[  885.213911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.219478]  ? check_preemption_disabled+0x48/0x280
[  885.224640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  885.229520]  apic_timer_interrupt+0xf/0x20
[  885.233766]  </IRQ>
[  885.236021] RIP: 0010:dump_stack+0x358/0x39d
[  885.240483] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  885.259399] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  885.267155] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  885.274460] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  885.281748] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  885.289118] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  885.296429] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  885.303734]  ? dump_stack+0x34f/0x39d
[  885.307585]  ? dump_stack_print_info.cold.1+0x20/0x20
[  885.312803]  ? mark_held_locks+0x130/0x130
[  885.317086]  ? mark_held_locks+0x130/0x130
[  885.321344]  dump_header+0x27b/0xf72
[  885.325120]  ? pagefault_out_of_memory+0x197/0x197
[  885.330078]  ? __lock_acquire+0x62f/0x4c20
[  885.334337]  ? percpu_ref_get_many+0x240/0x240
[  885.338963]  ? print_usage_bug+0xc0/0xc0
[  885.343049]  ? zap_class+0x640/0x640
[  885.346783]  ? print_usage_bug+0xc0/0xc0
[  885.351071]  ? print_usage_bug+0xc0/0xc0
[  885.355150]  ? zap_class+0x640/0x640
[  885.358931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.364493]  ? find_held_lock+0x36/0x1c0
[  885.368579]  ? mark_held_locks+0xc7/0x130
[  885.372765]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  885.377945]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  885.383080]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  885.387680]  ? trace_hardirqs_on+0xbd/0x310
[  885.392029]  ? kasan_check_read+0x11/0x20
[  885.396218]  ? ___ratelimit+0x3b4/0x672
[  885.400217]  ? trace_hardirqs_off_caller+0x310/0x310
[  885.405341]  ? trace_hardirqs_on+0x310/0x310
[  885.409773]  ? lock_downgrade+0x900/0x900
[  885.414189]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  885.419311]  ? ___ratelimit+0x3b9/0x672
[  885.423307]  ? idr_get_free+0xf80/0xf80
[  885.427302]  ? find_held_lock+0x36/0x1c0
[  885.431518]  oom_kill_process.cold.27+0x10/0x903
[  885.436293]  ? zap_class+0x640/0x640
[  885.440067]  ? check_preemption_disabled+0x48/0x280
[  885.445116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  885.450089]  ? kasan_check_read+0x11/0x20
[  885.454249]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  885.459545]  ? oom_evaluate_task+0x540/0x540
[  885.463978]  ? find_held_lock+0x36/0x1c0
[  885.468081]  ? out_of_memory+0x974/0x1430
[  885.472247]  ? lock_downgrade+0x900/0x900
[  885.476439]  ? check_preemption_disabled+0x48/0x280
[  885.481481]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  885.486450]  ? kasan_check_read+0x11/0x20
[  885.490619]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  885.495920]  ? rcu_softirq_qs+0x20/0x20
[  885.499931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  885.505573]  ? oom_evaluate_task+0x302/0x540
[  885.510075]  out_of_memory+0xa84/0x1430
[  885.514103]  ? oom_killer_disable+0x3a0/0x3a0
[  885.518622]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  885.523728]  ? __ww_mutex_check_waiters+0x160/0x160
[  885.528876]  __alloc_pages_slowpath+0x2354/0x2e10
[  885.533783]  ? warn_alloc+0x120/0x120
[  885.537617]  ? mark_held_locks+0x130/0x130
[  885.541874]  ? find_get_entry+0xaae/0x1120
[  885.546153]  ? filemap_map_pages+0x1a20/0x1a20
[  885.550756]  ? zap_class+0x640/0x640
[  885.554495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.560051]  ? check_preemption_disabled+0x48/0x280
[  885.565086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  885.570652]  ? should_fail+0x22d/0xd01
[  885.574564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  885.579688]  ? zap_class+0x640/0x640
[  885.583472]  ? __lock_is_held+0xb5/0x140
[  885.587561]  ? mark_held_locks+0x130/0x130
[  885.591814]  ? lock_release+0xa00/0xa00
[  885.595811]  ? perf_trace_sched_process_exec+0x860/0x860
[  885.601440]  ? xa_load+0x2ba/0x460
[  885.605005]  ? lock_downgrade+0x900/0x900
[  885.609198]  ? __might_sleep+0x95/0x190
[  885.613315]  __alloc_pages_nodemask+0xa80/0xde0
[  885.618031]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  885.623087]  ? __page_cache_alloc+0x191/0x5c0
[  885.627614]  ? xa_load+0x2e1/0x460
[  885.631172]  ? xa_clear_mark+0x40/0x40
[  885.635076]  ? zap_class+0x640/0x640
[  885.638828]  ? zap_class+0x640/0x640
[  885.642559]  ? zap_class+0x640/0x640
[  885.646457]  ? __do_page_cache_readahead+0x663/0x810
[  885.651584]  ? find_held_lock+0x36/0x1c0
[  885.655669]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  885.661316]  alloc_pages_current+0x173/0x350
[  885.665758]  __page_cache_alloc+0x38c/0x5c0
[  885.670117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  885.675084]  ? kasan_check_read+0x11/0x20
[  885.679282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  885.684662]  ? generic_perform_write+0x6a0/0x6a0
[  885.689467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  885.695022]  ? check_preemption_disabled+0x48/0x280
[  885.700065]  filemap_fault+0x1595/0x25f0
[  885.704162]  ? __lock_page_or_retry+0xa00/0xa00
[  885.708848]  ? mark_held_locks+0x130/0x130
[  885.713234]  ? filemap_map_pages+0xd6b/0x1a20
[  885.717873]  ? lock_downgrade+0x900/0x900
[  885.722038]  ? check_preemption_disabled+0x48/0x280
[  885.727154]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  885.732100]  ? kasan_check_read+0x11/0x20
[  885.736262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  885.741620]  ? rcu_softirq_qs+0x20/0x20
[  885.745630]  ? filemap_map_pages+0xd92/0x1a20
[  885.750159]  ? find_get_entries_tag+0x1400/0x1400
[  885.755132]  ? debug_object_destroy+0x2b0/0x2b0
[  885.759908]  ? lock_pi_update_atomic+0x150/0x150
[  885.764680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  885.770247]  ? lock_acquire+0x1ed/0x520
[  885.774236]  ? ext4_filemap_fault+0x7a/0xad
[  885.778667]  ? lock_release+0xa00/0xa00
[  885.782657]  ? perf_trace_sched_process_exec+0x860/0x860
[  885.788123]  ? print_usage_bug+0xc0/0xc0
[  885.792201]  ? print_usage_bug+0xc0/0xc0
[  885.796287]  ? down_read+0x8d/0x120
[  885.799928]  ? ext4_filemap_fault+0x7a/0xad
[  885.804277]  ? __down_interruptible+0x700/0x700
[  885.808973]  ext4_filemap_fault+0x82/0xad
[  885.813290]  __do_fault+0x100/0x6b0
[  885.816934]  ? find_held_lock+0x36/0x1c0
[  885.821018]  ? pmd_devmap_trans_unstable+0x220/0x220
[  885.826154]  ? mark_held_locks+0x130/0x130
[  885.830443]  ? mark_held_locks+0x130/0x130
[  885.834714]  ? _raw_spin_unlock_irq+0x27/0x80
[  885.839235]  ? _raw_spin_unlock_irq+0x27/0x80
[  885.843749]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  885.848352]  ? kasan_check_read+0x11/0x20
[  885.852520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  885.858082]  __handle_mm_fault+0x3ea6/0x5be0
[  885.862525]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  885.867385]  ? finish_task_switch+0x1f4/0x910
[  885.871929]  ? finish_task_switch+0x1b4/0x910
[  885.876468]  ? __switch_to_asm+0x34/0x70
[  885.880550]  ? preempt_notifier_register+0x200/0x200
[  885.885670]  ? __switch_to_asm+0x34/0x70
[  885.889752]  ? __switch_to_asm+0x34/0x70
[  885.893842]  ? zap_class+0x640/0x640
[  885.897584]  ? zap_class+0x640/0x640
[  885.901320]  ? __x64_sys_futex+0x53e/0x6a0
[  885.905578]  ? find_held_lock+0x36/0x1c0
[  885.909667]  ? handle_mm_fault+0x42a/0xc70
[  885.913923]  ? lock_downgrade+0x900/0x900
[  885.918090]  ? check_preemption_disabled+0x48/0x280
[  885.923126]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  885.928070]  ? kasan_check_read+0x11/0x20
[  885.932242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  885.937536]  ? rcu_softirq_qs+0x20/0x20
[  885.941532]  ? trace_hardirqs_off_caller+0x310/0x310
[  885.946653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  885.952208]  ? check_preemption_disabled+0x48/0x280
[  885.957258]  handle_mm_fault+0x54f/0xc70
[  885.961348]  ? __handle_mm_fault+0x5be0/0x5be0
[  885.965949]  ? find_vma+0x34/0x190
[  885.969513]  __do_page_fault+0x5e8/0xe60
[  885.973591]  ? trace_hardirqs_off+0xb8/0x310
[  885.978037]  do_page_fault+0xf2/0x7e0
[  885.981854]  ? vmalloc_sync_all+0x30/0x30
[  885.986018]  ? error_entry+0x70/0xd0
[  885.989763]  ? trace_hardirqs_off_caller+0xbb/0x310
[  885.994797]  ? trace_hardirqs_on_caller+0xc0/0x310
[  885.999749]  ? syscall_return_slowpath+0x5e0/0x5e0
[  886.004692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  886.009563]  ? trace_hardirqs_on_caller+0x310/0x310
[  886.014596]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  886.020067]  ? prepare_exit_to_usermode+0x291/0x3b0
[  886.025106]  ? page_fault+0x8/0x30
[  886.028668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  886.033538]  ? page_fault+0x8/0x30
[  886.037099]  page_fault+0x1e/0x30
[  886.040586] RIP: 0033:0x45ddf3
[  886.043805] Code: Bad RIP value.
[  886.047179] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  886.052558] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  886.059842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  886.067140] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  886.074512] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  886.081792] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  886.089106] warn_alloc_show_mem: 1 callbacks suppressed
[  886.089118] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  886.089120] Mem-Info:
[  886.089152] active_anon:53034 inactive_anon:131 isolated_anon:0
[  886.089152]  active_file:14 inactive_file:14 isolated_file:0
[  886.089152]  unevictable:0 dirty:0 writeback:0 unstable:0
[  886.089152]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  886.089152]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  886.089152]  free:13749 free_pcp:564 free_cma:0
[  886.094511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  886.101548] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  886.103968] Call Trace:
[  886.136939] 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
[  886.146300]  <IRQ>
[  886.173706] lowmem_reserve[]: 0 2818 6321 6321
[  886.176329]  dump_stack+0x244/0x39d
[  886.202564] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  886.204801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  886.209369] lowmem_reserve[]: 0 0 3503 3503
[  886.213067]  warn_alloc.cold.116+0xb7/0x1bd
[  886.240779] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  886.245987]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  886.250297] lowmem_reserve[]: 0 0 0 0
[  886.254645]  ? lock_downgrade+0x900/0x900
[  886.283697] 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
[  886.288569]  ? trace_hardirqs_off+0xb8/0x310
[  886.292351] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  886.296534]  ? trace_hardirqs_off+0xb8/0x310
[  886.310120] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  886.314564]  __alloc_pages_slowpath+0x26e8/0x2e10
[  886.329796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  886.334298]  ? warn_alloc+0x120/0x120
[  886.349832] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  886.349842] 166 total pagecache pages
[  886.354719]  ? print_usage_bug+0xc0/0xc0
[  886.363784] 0 pages in swap cache
[  886.367591]  ? warn_alloc+0x120/0x120
[  886.376158] Swap cache stats: add 0, delete 0, find 0/0
[  886.376168] Free swap  = 0kB
[  886.379979]  ? warn_alloc+0x120/0x120
[  886.384031] Total swap = 0kB
[  886.384040] 1965979 pages RAM
[  886.387571]  ? print_usage_bug+0xc0/0xc0
[  886.391388] 0 pages HighMem/MovableOnly
[  886.391397] 342858 pages reserved
[  886.396805]  ? kvm_clock_read+0x18/0x30
[  886.399820] 0 pages cma reserved
[  886.403754]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  886.406882] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  886.409972]  ? print_usage_bug+0xc0/0xc0
[  886.414053] syz-fuzzer cpuset=/ mems_allowed=0
[  886.418039]  ? __lock_acquire+0x62f/0x4c20
[  886.457109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  886.462664]  ? should_fail+0x22d/0xd01
[  886.466567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  886.471866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  886.477015]  ? __lock_acquire+0x62f/0x4c20
[  886.481276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  886.486392]  ? __lock_acquire+0x62f/0x4c20
[  886.490667]  ? should_fail+0x22d/0xd01
[  886.494575]  ? rcu_irq_exit+0x1a2/0x390
[  886.498577]  ? mark_held_locks+0x130/0x130
[  886.502830]  ? mark_held_locks+0x130/0x130
[  886.507097]  ? mark_held_locks+0xc7/0x130
[  886.511353]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  886.516387]  ? zap_class+0x640/0x640
[  886.520149]  ? print_usage_bug+0xc0/0xc0
[  886.524236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.529793]  ? check_preemption_disabled+0x48/0x280
[  886.534842]  ? __lock_is_held+0xb5/0x140
[  886.538936]  __alloc_pages_nodemask+0xa80/0xde0
[  886.543645]  ? zap_class+0x640/0x640
[  886.547385]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  886.552480]  ? find_held_lock+0x36/0x1c0
[  886.556572]  ? ____cache_alloc_node+0x1c7/0x1e0
[  886.561391]  ? lock_downgrade+0x900/0x900
[  886.565596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.571158]  cache_grow_begin+0xa5/0x8c0
[  886.575238]  ? do_raw_spin_unlock+0xa7/0x330
[  886.579676]  fallback_alloc+0x204/0x2e0
[  886.583674]  ____cache_alloc_node+0x1c7/0x1e0
[  886.588204]  kmem_cache_alloc_node+0xe3/0x730
[  886.592726]  ? ipv6_get_ifaddr+0x42e/0x620
[  886.597004]  __alloc_skb+0x119/0x770
[  886.600730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  886.606030]  ? netdev_alloc_frag+0x1f0/0x1f0
[  886.610483]  ? lock_downgrade+0x900/0x900
[  886.614665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.620327]  ? refcount_sub_and_test_checked+0x203/0x310
[  886.625904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  886.631373]  ? addrconf_rs_timer+0x690/0x690
[  886.635837]  ndisc_alloc_skb+0x144/0x340
[  886.639995]  ndisc_send_rs+0x331/0x6e0
[  886.643934]  addrconf_rs_timer+0x314/0x690
[  886.648190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  886.652474]  call_timer_fn+0x272/0x920
[  886.656378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  886.660656]  ? process_timeout+0x40/0x40
[  886.664743]  ? __run_timers+0x7da/0xc70
[  886.668885]  ? _raw_spin_unlock_irq+0x27/0x80
[  886.673429]  ? _raw_spin_unlock_irq+0x27/0x80
[  886.678097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  886.682349]  ? lockdep_hardirqs_on+0x296/0x5b0
[  886.686973]  ? trace_hardirqs_on+0xbd/0x310
[  886.691312]  ? kasan_check_read+0x11/0x20
[  886.695611]  ? __run_timers+0x7da/0xc70
[  886.699688]  ? trace_hardirqs_off_caller+0x310/0x310
[  886.704829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  886.709105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  886.713357]  __run_timers+0x7e5/0xc70
[  886.717185]  ? timer_fixup_init+0x70/0x70
[  886.721355]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  886.726727]  ? zap_class+0x640/0x640
[  886.730477]  ? enqueue_hrtimer+0x1a5/0x560
[  886.734733]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  886.739945]  ? find_held_lock+0x36/0x1c0
[  886.744101]  ? zap_class+0x640/0x640
[  886.747857]  ? pvclock_read_flags+0x160/0x160
[  886.752369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.757957]  ? check_preemption_disabled+0x48/0x280
[  886.763001]  ? __lock_is_held+0xb5/0x140
[  886.767083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.772640]  ? check_preemption_disabled+0x48/0x280
[  886.777677]  run_timer_softirq+0x52/0xb0
[  886.781756]  ? rcu_read_lock_sched_held+0x14f/0x180
[  886.786849]  __do_softirq+0x308/0xb7e
[  886.790671]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  886.795187]  ? lock_downgrade+0x900/0x900
[  886.799358]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  886.804485]  ? pvclock_read_flags+0x160/0x160
[  886.809001]  ? lapic_next_event+0x5a/0x90
[  886.813167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.818756]  ? kvm_clock_read+0x18/0x30
[  886.822750]  ? kvm_sched_clock_read+0x9/0x20
[  886.827178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.833256]  ? check_preemption_disabled+0x48/0x280
[  886.838299]  irq_exit+0x17f/0x1c0
[  886.841772]  smp_apic_timer_interrupt+0x1cb/0x760
[  886.846633]  ? smp_reschedule_interrupt+0x109/0x650
[  886.851674]  ? smp_call_function_single_interrupt+0x650/0x650
[  886.857576]  ? interrupt_entry+0xb5/0xc0
[  886.861788]  ? trace_hardirqs_off_caller+0xbb/0x310
[  886.866910]  ? trace_hardirqs_off_caller+0xbb/0x310
[  886.871965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  886.876844]  ? trace_hardirqs_on_caller+0x310/0x310
[  886.881879]  ? trace_hardirqs_on_caller+0x310/0x310
[  886.886913]  ? task_prio+0x50/0x50
[  886.890482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  886.896036]  ? check_preemption_disabled+0x48/0x280
[  886.901074]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  886.905966]  apic_timer_interrupt+0xf/0x20
[  886.910206]  </IRQ>
[  886.912544] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  886.918472] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  886.937388] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  886.945141] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  886.952448] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  886.959733] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  886.967015] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  886.974295] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  886.981614]  ? save_stack+0xa9/0xd0
[  886.985282]  __kmalloc_node_track_caller+0x3c/0x70
[  886.990273]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  886.995055]  pskb_expand_head+0x230/0x10f0
[  886.999307]  ? check_preemption_disabled+0x48/0x280
[  887.004346]  ? memcpy+0x45/0x50
[  887.007645]  ? __copy_skb_header+0x350/0x6b0
[  887.012072]  ? skb_release_data+0x880/0x880
[  887.016433]  ? __alloc_skb+0x770/0x770
[  887.020353]  ? __lock_is_held+0xb5/0x140
[  887.024465]  ? kasan_check_write+0x14/0x20
[  887.028724]  ? __skb_clone+0x6c7/0xa00
[  887.032659]  ? __copy_skb_header+0x6b0/0x6b0
[  887.037095]  ? kmem_cache_alloc+0x33a/0x730
[  887.041461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.047033]  skb_ensure_writable+0x3dd/0x640
[  887.051491]  ? skb_checksum_setup+0xaa0/0xaa0
[  887.056120]  ? preempt_notifier_register+0x200/0x200
[  887.061248]  ? __switch_to_asm+0x34/0x70
[  887.065327]  ? __switch_to_asm+0x34/0x70
[  887.069430]  ? __switch_to_asm+0x40/0x70
[  887.073519]  ? __switch_to_asm+0x34/0x70
[  887.077597]  ? __switch_to_asm+0x40/0x70
[  887.081675]  ? __switch_to_asm+0x40/0x70
[  887.085762]  ? __switch_to_asm+0x34/0x70
[  887.089845]  ? __switch_to_asm+0x34/0x70
[  887.093934]  ? __switch_to_asm+0x40/0x70
[  887.098013]  ? __switch_to_asm+0x34/0x70
[  887.102098]  bpf_clone_redirect+0x14a/0x490
[  887.106468]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  887.111505]  ? __sched_text_start+0x8/0x8
[  887.115671]  ? retint_kernel+0x2d/0x2d
[  887.119587]  ? find_held_lock+0x36/0x1c0
[  887.123674]  ? lock_acquire+0x1ed/0x520
[  887.127670]  ? bpf_test_run+0x3cb/0x780
[  887.131660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.137220]  ? check_preemption_disabled+0x48/0x280
[  887.142257]  ? kasan_check_read+0x11/0x20
[  887.146454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  887.151745]  ? rcu_softirq_qs+0x20/0x20
[  887.155735]  ? preempt_schedule+0x4d/0x60
[  887.159898]  ? ___preempt_schedule+0x16/0x18
[  887.164341]  ? bpf_test_run+0x25d/0x780
[  887.168343]  ? netlink_diag_dump+0x2a0/0x2a0
[  887.172769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  887.178321]  ? bpf_test_init.isra.10+0x70/0x100
[  887.183037]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  887.187818]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  887.192688]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  887.198240]  ? fput+0x130/0x1a0
[  887.201539]  ? __bpf_prog_get+0x9b/0x290
[  887.205748]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  887.210608]  ? bpf_prog_test_run+0x130/0x1a0
[  887.215065]  ? __x64_sys_bpf+0x3d8/0x520
[  887.219154]  ? bpf_prog_get+0x20/0x20
[  887.223003]  ? do_syscall_64+0x1b9/0x820
[  887.227092]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  887.232478]  ? syscall_return_slowpath+0x5e0/0x5e0
[  887.237453]  ? trace_hardirqs_on_caller+0x310/0x310
[  887.242493]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  887.247531]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  887.254214]  ? __switch_to_asm+0x40/0x70
[  887.258288]  ? __switch_to_asm+0x34/0x70
[  887.262374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  887.267282]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  887.272680] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  887.272752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  887.279543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  887.279549] Call Trace:
[  887.279555]  <IRQ>
[  887.279571]  dump_stack+0x244/0x39d
[  887.279589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  887.279616]  warn_alloc.cold.116+0xb7/0x1bd
[  887.286156] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  887.295622]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  887.298199] syz-executor0 cpuset=syz0 mems_allowed=0
[  887.300360]  ? lock_downgrade+0x900/0x900
[  887.338106]  ? trace_hardirqs_off+0xb8/0x310
[  887.342540]  ? trace_hardirqs_off+0xb8/0x310
[  887.346971]  __alloc_pages_slowpath+0x26e8/0x2e10
[  887.351857]  ? warn_alloc+0x120/0x120
[  887.355683]  ? warn_alloc+0x120/0x120
[  887.359503]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  887.364540]  ? warn_alloc+0x120/0x120
[  887.368361]  ? print_usage_bug+0xc0/0xc0
[  887.372465]  ? print_usage_bug+0xc0/0xc0
[  887.376543]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  887.381760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  887.387311]  ? should_fail+0x22d/0xd01
[  887.391220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  887.396342]  ? __lock_acquire+0x62f/0x4c20
[  887.400598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  887.405715]  ? should_fail+0x22d/0xd01
[  887.409628]  ? mark_held_locks+0x130/0x130
[  887.413879]  ? mark_held_locks+0x130/0x130
[  887.418129]  ? kvm_clock_read+0x18/0x30
[  887.422118]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  887.427149]  ? ktime_get+0x2c1/0x400
[  887.430893]  ? zap_class+0x640/0x640
[  887.434640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.440193]  ? check_preemption_disabled+0x48/0x280
[  887.445240]  ? __lock_is_held+0xb5/0x140
[  887.449324]  __alloc_pages_nodemask+0xa80/0xde0
[  887.454017]  ? zap_class+0x640/0x640
[  887.457762]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  887.462804]  ? find_held_lock+0x36/0x1c0
[  887.466896]  ? ____cache_alloc_node+0x1c7/0x1e0
[  887.471580]  ? lock_downgrade+0x900/0x900
[  887.475752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.481313]  cache_grow_begin+0xa5/0x8c0
[  887.485395]  ? do_raw_spin_unlock+0xa7/0x330
[  887.489857]  fallback_alloc+0x204/0x2e0
[  887.493856]  ____cache_alloc_node+0x1c7/0x1e0
[  887.498376]  kmem_cache_alloc_node+0xe3/0x730
[  887.502933]  __alloc_skb+0x119/0x770
[  887.506674]  ? netdev_alloc_frag+0x1f0/0x1f0
[  887.511106]  ? mark_held_locks+0x130/0x130
[  887.515363]  ? __lock_acquire+0x62f/0x4c20
[  887.519614]  ? trace_hardirqs_off_caller+0x310/0x310
[  887.524743]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  887.529782]  __br_mdb_notify+0x4ff/0x15d0
[  887.533957]  ? __br_mdb_add+0x7f0/0x7f0
[  887.537970]  ? zap_class+0x640/0x640
[  887.541715]  ? lock_acquire+0x1ed/0x520
[  887.545702]  ? br_multicast_group_expired+0x96/0x610
[  887.550820]  ? lock_downgrade+0x900/0x900
[  887.554994]  br_mdb_notify+0x310/0x410
[  887.558901]  ? br_mdb_dump+0x27b0/0x27b0
[  887.562993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.568561]  br_multicast_group_expired+0x1bc/0x610
[  887.573597]  ? br_mdb_free+0x80/0x80
[  887.577340]  call_timer_fn+0x272/0x920
[  887.581242]  ? br_mdb_free+0x80/0x80
[  887.584975]  ? process_timeout+0x40/0x40
[  887.589057]  ? mark_held_locks+0xc7/0x130
[  887.593226]  ? _raw_spin_unlock_irq+0x27/0x80
[  887.597734]  ? _raw_spin_unlock_irq+0x27/0x80
[  887.602240]  ? br_mdb_free+0x80/0x80
[  887.605970]  ? lockdep_hardirqs_on+0x296/0x5b0
[  887.610564]  ? trace_hardirqs_on+0xbd/0x310
[  887.614899]  ? kasan_check_read+0x11/0x20
[  887.619057]  ? __run_timers+0x7da/0xc70
[  887.623038]  ? trace_hardirqs_off_caller+0x310/0x310
[  887.628153]  ? br_mdb_free+0x80/0x80
[  887.631873]  ? br_mdb_free+0x80/0x80
[  887.635585]  __run_timers+0x7e5/0xc70
[  887.639397]  ? timer_fixup_init+0x70/0x70
[  887.643566]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  887.648596]  ? zap_class+0x640/0x640
[  887.652318]  ? print_usage_bug+0xc0/0xc0
[  887.656389]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  887.661613]  ? find_held_lock+0x36/0x1c0
[  887.665688]  ? zap_class+0x640/0x640
[  887.669420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.674962]  ? check_preemption_disabled+0x48/0x280
[  887.679987]  ? __lock_is_held+0xb5/0x140
[  887.684051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.689597]  ? check_preemption_disabled+0x48/0x280
[  887.695270]  run_timer_softirq+0x52/0xb0
[  887.699353]  ? rcu_read_lock_sched_held+0x14f/0x180
[  887.704385]  __do_softirq+0x308/0xb7e
[  887.708204]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  887.712698]  ? lock_downgrade+0x900/0x900
[  887.716877]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  887.722078]  ? pvclock_read_flags+0x160/0x160
[  887.726578]  ? lapic_next_event+0x5a/0x90
[  887.730734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.736283]  ? kvm_clock_read+0x18/0x30
[  887.740258]  ? kvm_sched_clock_read+0x9/0x20
[  887.744673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  887.750241]  ? check_preemption_disabled+0x48/0x280
[  887.755281]  irq_exit+0x17f/0x1c0
[  887.758743]  smp_apic_timer_interrupt+0x1cb/0x760
[  887.763590]  ? smp_reschedule_interrupt+0x109/0x650
[  887.768615]  ? smp_call_function_single_interrupt+0x650/0x650
[  887.774516]  ? interrupt_entry+0xb5/0xc0
[  887.778584]  ? trace_hardirqs_off_caller+0xbb/0x310
[  887.783606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  887.788625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  887.793487]  ? trace_hardirqs_on_caller+0x310/0x310
[  887.798518]  ? trace_hardirqs_on_caller+0x310/0x310
[  887.803540]  ? task_prio+0x50/0x50
[  887.807085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.812628]  ? check_preemption_disabled+0x48/0x280
[  887.817687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  887.822554]  apic_timer_interrupt+0xf/0x20
[  887.826784]  </IRQ>
[  887.829019] RIP: 0010:dump_stack+0x358/0x39d
[  887.833438] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  887.852355] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  887.860062] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  887.867328] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  887.874596] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  887.881864] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  887.889142] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  887.896440]  ? dump_stack+0x34f/0x39d
[  887.900255]  ? dump_stack_print_info.cold.1+0x20/0x20
[  887.905465]  ? mark_held_locks+0x130/0x130
[  887.909706]  ? mark_held_locks+0x130/0x130
[  887.913961]  dump_header+0x27b/0xf72
[  887.917693]  ? pagefault_out_of_memory+0x197/0x197
[  887.922632]  ? __lock_acquire+0x62f/0x4c20
[  887.926868]  ? percpu_ref_get_many+0x240/0x240
[  887.931477]  ? print_usage_bug+0xc0/0xc0
[  887.935551]  ? zap_class+0x640/0x640
[  887.939272]  ? print_usage_bug+0xc0/0xc0
[  887.943335]  ? print_usage_bug+0xc0/0xc0
[  887.947399]  ? zap_class+0x640/0x640
[  887.951162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  887.956708]  ? find_held_lock+0x36/0x1c0
[  887.960784]  ? mark_held_locks+0xc7/0x130
[  887.964941]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  887.970044]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  887.975151]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  887.979753]  ? trace_hardirqs_on+0xbd/0x310
[  887.984075]  ? kasan_check_read+0x11/0x20
[  887.988225]  ? ___ratelimit+0x3b4/0x672
[  887.992204]  ? trace_hardirqs_off_caller+0x310/0x310
[  887.997309]  ? trace_hardirqs_on+0x310/0x310
[  888.001720]  ? lock_downgrade+0x900/0x900
[  888.005876]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  888.010984]  ? ___ratelimit+0x3b9/0x672
[  888.014966]  ? idr_get_free+0xf80/0xf80
[  888.018944]  ? find_held_lock+0x36/0x1c0
[  888.023041]  oom_kill_process.cold.27+0x10/0x903
[  888.027813]  ? zap_class+0x640/0x640
[  888.031530]  ? check_preemption_disabled+0x48/0x280
[  888.036565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  888.041496]  ? kasan_check_read+0x11/0x20
[  888.045646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  888.050927]  ? oom_evaluate_task+0x540/0x540
[  888.055345]  ? find_held_lock+0x36/0x1c0
[  888.059464]  ? out_of_memory+0x974/0x1430
[  888.063642]  ? lock_downgrade+0x900/0x900
[  888.067801]  ? check_preemption_disabled+0x48/0x280
[  888.072821]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  888.077754]  ? kasan_check_read+0x11/0x20
[  888.081922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  888.087206]  ? rcu_softirq_qs+0x20/0x20
[  888.091201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  888.096754]  ? oom_evaluate_task+0x302/0x540
[  888.101167]  out_of_memory+0xa84/0x1430
[  888.105153]  ? oom_killer_disable+0x3a0/0x3a0
[  888.109653]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  888.114585]  ? __ww_mutex_check_waiters+0x160/0x160
[  888.119618]  __alloc_pages_slowpath+0x2354/0x2e10
[  888.124520]  ? warn_alloc+0x120/0x120
[  888.128336]  ? mark_held_locks+0x130/0x130
[  888.132577]  ? find_get_entry+0xaae/0x1120
[  888.136837]  ? filemap_map_pages+0x1a20/0x1a20
[  888.141444]  ? zap_class+0x640/0x640
[  888.145170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  888.150733]  ? check_preemption_disabled+0x48/0x280
[  888.155759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  888.161301]  ? should_fail+0x22d/0xd01
[  888.165195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  888.170302]  ? zap_class+0x640/0x640
[  888.174043]  ? __lock_is_held+0xb5/0x140
[  888.178114]  ? mark_held_locks+0x130/0x130
[  888.182355]  ? lock_release+0xa00/0xa00
[  888.186334]  ? perf_trace_sched_process_exec+0x860/0x860
[  888.191784]  ? xa_load+0x2ba/0x460
[  888.195330]  ? lock_downgrade+0x900/0x900
[  888.199485]  ? __might_sleep+0x95/0x190
[  888.203466]  __alloc_pages_nodemask+0xa80/0xde0
[  888.208154]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  888.213170]  ? __page_cache_alloc+0x191/0x5c0
[  888.217663]  ? xa_load+0x2e1/0x460
[  888.221204]  ? xa_clear_mark+0x40/0x40
[  888.225095]  ? zap_class+0x640/0x640
[  888.228824]  ? zap_class+0x640/0x640
[  888.232550]  ? zap_class+0x640/0x640
[  888.236263]  ? __do_page_cache_readahead+0x663/0x810
[  888.241373]  ? find_held_lock+0x36/0x1c0
[  888.245457]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  888.251001]  alloc_pages_current+0x173/0x350
[  888.255426]  __page_cache_alloc+0x38c/0x5c0
[  888.259751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  888.264684]  ? kasan_check_read+0x11/0x20
[  888.268835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  888.274132]  ? generic_perform_write+0x6a0/0x6a0
[  888.278897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  888.284446]  ? check_preemption_disabled+0x48/0x280
[  888.289478]  filemap_fault+0x1595/0x25f0
[  888.293558]  ? __lock_page_or_retry+0xa00/0xa00
[  888.298245]  ? mark_held_locks+0x130/0x130
[  888.302502]  ? filemap_map_pages+0xd6b/0x1a20
[  888.307002]  ? lock_downgrade+0x900/0x900
[  888.311149]  ? check_preemption_disabled+0x48/0x280
[  888.316169]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  888.321116]  ? kasan_check_read+0x11/0x20
[  888.325269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  888.330598]  ? rcu_softirq_qs+0x20/0x20
[  888.334592]  ? filemap_map_pages+0xd92/0x1a20
[  888.339105]  ? find_get_entries_tag+0x1400/0x1400
[  888.343963]  ? debug_object_destroy+0x2b0/0x2b0
[  888.348682]  ? lock_pi_update_atomic+0x150/0x150
[  888.353447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  888.359004]  ? lock_acquire+0x1ed/0x520
[  888.362980]  ? ext4_filemap_fault+0x7a/0xad
[  888.367310]  ? lock_release+0xa00/0xa00
[  888.371296]  ? perf_trace_sched_process_exec+0x860/0x860
[  888.376750]  ? print_usage_bug+0xc0/0xc0
[  888.380820]  ? print_usage_bug+0xc0/0xc0
[  888.384909]  ? down_read+0x8d/0x120
[  888.388551]  ? ext4_filemap_fault+0x7a/0xad
[  888.392873]  ? __down_interruptible+0x700/0x700
[  888.397557]  ext4_filemap_fault+0x82/0xad
[  888.401710]  __do_fault+0x100/0x6b0
[  888.405349]  ? find_held_lock+0x36/0x1c0
[  888.409434]  ? pmd_devmap_trans_unstable+0x220/0x220
[  888.414554]  ? mark_held_locks+0x130/0x130
[  888.418792]  ? mark_held_locks+0x130/0x130
[  888.423027]  ? _raw_spin_unlock_irq+0x27/0x80
[  888.427525]  ? _raw_spin_unlock_irq+0x27/0x80
[  888.432036]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  888.436645]  ? kasan_check_read+0x11/0x20
[  888.440793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  888.446333]  __handle_mm_fault+0x3ea6/0x5be0
[  888.450766]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  888.455622]  ? finish_task_switch+0x1f4/0x910
[  888.460130]  ? finish_task_switch+0x1b4/0x910
[  888.464643]  ? __switch_to_asm+0x34/0x70
[  888.468736]  ? preempt_notifier_register+0x200/0x200
[  888.473838]  ? __switch_to_asm+0x34/0x70
[  888.477900]  ? __switch_to_asm+0x34/0x70
[  888.481973]  ? zap_class+0x640/0x640
[  888.485699]  ? zap_class+0x640/0x640
[  888.489433]  ? __x64_sys_futex+0x53e/0x6a0
[  888.493672]  ? find_held_lock+0x36/0x1c0
[  888.497764]  ? handle_mm_fault+0x42a/0xc70
[  888.502000]  ? lock_downgrade+0x900/0x900
[  888.506147]  ? check_preemption_disabled+0x48/0x280
[  888.511181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  888.516144]  ? kasan_check_read+0x11/0x20
[  888.520326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  888.525607]  ? rcu_softirq_qs+0x20/0x20
[  888.529587]  ? trace_hardirqs_off_caller+0x310/0x310
[  888.534698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  888.540236]  ? check_preemption_disabled+0x48/0x280
[  888.545277]  handle_mm_fault+0x54f/0xc70
[  888.549353]  ? __handle_mm_fault+0x5be0/0x5be0
[  888.553937]  ? find_vma+0x34/0x190
[  888.557486]  __do_page_fault+0x5e8/0xe60
[  888.561550]  ? trace_hardirqs_off+0xb8/0x310
[  888.565974]  do_page_fault+0xf2/0x7e0
[  888.569791]  ? vmalloc_sync_all+0x30/0x30
[  888.573941]  ? error_entry+0x70/0xd0
[  888.577672]  ? trace_hardirqs_off_caller+0xbb/0x310
[  888.582706]  ? trace_hardirqs_on_caller+0xc0/0x310
[  888.587639]  ? syscall_return_slowpath+0x5e0/0x5e0
[  888.592568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  888.597429]  ? trace_hardirqs_on_caller+0x310/0x310
[  888.602450]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  888.607908]  ? prepare_exit_to_usermode+0x291/0x3b0
[  888.612919]  ? page_fault+0x8/0x30
[  888.616461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  888.621306]  ? page_fault+0x8/0x30
[  888.624862]  page_fault+0x1e/0x30
[  888.628309] RIP: 0033:0x45ddf3
[  888.631511] Code: Bad RIP value.
[  888.634874] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  888.640235] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  888.647508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  888.654774] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  888.662040] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  888.669310] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  888.676606] warn_alloc_show_mem: 1 callbacks suppressed
[  888.676618] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  888.676620] Mem-Info:
[  888.676652] active_anon:53034 inactive_anon:131 isolated_anon:0
[  888.676652]  active_file:14 inactive_file:14 isolated_file:0
[  888.676652]  unevictable:0 dirty:0 writeback:0 unstable:0
[  888.676652]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  888.676652]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  888.676652]  free:13749 free_pcp:564 free_cma:0
[  888.681997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  888.689018] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  888.691431] Call Trace:
[  888.724895] 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
[  888.734249]  <IRQ>
[  888.761643] lowmem_reserve[]: 0 2818 6321 6321
[  888.764244]  dump_stack+0x244/0x39d
[  888.790341] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  888.792489]  ? dump_stack_print_info.cold.1+0x20/0x20
[  888.797046] lowmem_reserve[]: 0 0 3503 3503
[  888.800692]  warn_alloc.cold.116+0xb7/0x1bd
[  888.828160] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  888.833812]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  888.838107] lowmem_reserve[]: 0 0 0 0
[  888.842443]  ? lock_downgrade+0x900/0x900
[  888.871494] 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
[  888.876337]  ? trace_hardirqs_off+0xb8/0x310
[  888.880125] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  888.884282]  ? trace_hardirqs_off+0xb8/0x310
[  888.897782] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  888.902197]  __alloc_pages_slowpath+0x26e8/0x2e10
[  888.917352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  888.921778]  ? warn_alloc+0x120/0x120
[  888.937171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  888.942009]  ? print_usage_bug+0xc0/0xc0
[  888.950827] 166 total pagecache pages
[  888.954623]  ? warn_alloc+0x120/0x120
[  888.963196] 0 pages in swap cache
[  888.967248]  ? warn_alloc+0x120/0x120
[  888.971032] Swap cache stats: add 0, delete 0, find 0/0
[  888.974830]  ? print_usage_bug+0xc0/0xc0
[  888.978260] Free swap  = 0kB
[  888.982059]  ? print_usage_bug+0xc0/0xc0
[  888.987412] Total swap = 0kB
[  888.991476]  ? __lock_acquire+0x62f/0x4c20
[  888.994477] 1965979 pages RAM
[  888.998542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  889.001538] 0 pages HighMem/MovableOnly
[  889.005771]  ? should_fail+0x22d/0xd01
[  889.008861] 342858 pages reserved
[  889.014391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  889.018388] 0 pages cma reserved
[  889.022274]  ? __lock_acquire+0x62f/0x4c20
[  889.025825] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  889.030804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  889.034168] syz-fuzzer cpuset=/ mems_allowed=0
[  889.038401]  ? __lock_acquire+0x62f/0x4c20
[  889.062528]  ? should_fail+0x22d/0xd01
[  889.066416]  ? find_held_lock+0x36/0x1c0
[  889.070494]  ? mark_held_locks+0x130/0x130
[  889.074734]  ? mark_held_locks+0x130/0x130
[  889.078967]  ? zap_class+0x640/0x640
[  889.082695]  ? zap_class+0x640/0x640
[  889.086430]  ? print_usage_bug+0xc0/0xc0
[  889.090492]  ? do_raw_spin_unlock+0xa7/0x330
[  889.094906]  ? zap_class+0x640/0x640
[  889.098632]  ? print_usage_bug+0xc0/0xc0
[  889.102698]  ? wq_watchdog_touch+0x9c/0xfe
[  889.106943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.112499]  ? check_preemption_disabled+0x48/0x280
[  889.117528]  ? __lock_is_held+0xb5/0x140
[  889.121621]  __alloc_pages_nodemask+0xa80/0xde0
[  889.126294]  ? zap_class+0x640/0x640
[  889.130018]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  889.135049]  ? find_held_lock+0x36/0x1c0
[  889.139121]  ? ____cache_alloc_node+0x1c7/0x1e0
[  889.143804]  ? lock_downgrade+0x900/0x900
[  889.147966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.153514]  cache_grow_begin+0xa5/0x8c0
[  889.157580]  ? do_raw_spin_unlock+0xa7/0x330
[  889.161998]  fallback_alloc+0x204/0x2e0
[  889.165981]  ____cache_alloc_node+0x1c7/0x1e0
[  889.170488]  kmem_cache_alloc_node+0xe3/0x730
[  889.174986]  ? ipv6_get_ifaddr+0x42e/0x620
[  889.179262]  __alloc_skb+0x119/0x770
[  889.182980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  889.188268]  ? netdev_alloc_frag+0x1f0/0x1f0
[  889.192681]  ? lock_downgrade+0x900/0x900
[  889.196843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.202387]  ? refcount_sub_and_test_checked+0x203/0x310
[  889.207855]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  889.213304]  ? addrconf_rs_timer+0x690/0x690
[  889.217729]  ndisc_alloc_skb+0x144/0x340
[  889.221808]  ndisc_send_rs+0x331/0x6e0
[  889.225821]  addrconf_rs_timer+0x314/0x690
[  889.230074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  889.234321]  call_timer_fn+0x272/0x920
[  889.238225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  889.242463]  ? process_timeout+0x40/0x40
[  889.246539]  ? __run_timers+0x7da/0xc70
[  889.250519]  ? _raw_spin_unlock_irq+0x27/0x80
[  889.255032]  ? _raw_spin_unlock_irq+0x27/0x80
[  889.259528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  889.263765]  ? lockdep_hardirqs_on+0x296/0x5b0
[  889.268368]  ? trace_hardirqs_on+0xbd/0x310
[  889.272729]  ? kasan_check_read+0x11/0x20
[  889.276880]  ? __run_timers+0x7da/0xc70
[  889.280881]  ? trace_hardirqs_off_caller+0x310/0x310
[  889.286003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  889.290247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  889.294489]  __run_timers+0x7e5/0xc70
[  889.298311]  ? timer_fixup_init+0x70/0x70
[  889.302483]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  889.307505]  ? zap_class+0x640/0x640
[  889.311225]  ? enqueue_hrtimer+0x1a5/0x560
[  889.315480]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  889.320682]  ? find_held_lock+0x36/0x1c0
[  889.324759]  ? zap_class+0x640/0x640
[  889.328492]  ? pvclock_read_flags+0x160/0x160
[  889.332994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.338537]  ? check_preemption_disabled+0x48/0x280
[  889.343569]  ? __lock_is_held+0xb5/0x140
[  889.347638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.353179]  ? check_preemption_disabled+0x48/0x280
[  889.358201]  run_timer_softirq+0x52/0xb0
[  889.362266]  ? rcu_read_lock_sched_held+0x14f/0x180
[  889.367285]  __do_softirq+0x308/0xb7e
[  889.371101]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  889.375605]  ? lock_downgrade+0x900/0x900
[  889.379764]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  889.384894]  ? pvclock_read_flags+0x160/0x160
[  889.389398]  ? lapic_next_event+0x5a/0x90
[  889.393550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.399096]  ? kvm_clock_read+0x18/0x30
[  889.403100]  ? kvm_sched_clock_read+0x9/0x20
[  889.407516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.413067]  ? check_preemption_disabled+0x48/0x280
[  889.418109]  irq_exit+0x17f/0x1c0
[  889.421567]  smp_apic_timer_interrupt+0x1cb/0x760
[  889.426410]  ? smp_reschedule_interrupt+0x109/0x650
[  889.431434]  ? smp_call_function_single_interrupt+0x650/0x650
[  889.437321]  ? interrupt_entry+0xb5/0xc0
[  889.441385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  889.446407]  ? trace_hardirqs_off_caller+0xbb/0x310
[  889.451426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  889.456276]  ? trace_hardirqs_on_caller+0x310/0x310
[  889.461293]  ? trace_hardirqs_on_caller+0x310/0x310
[  889.466313]  ? task_prio+0x50/0x50
[  889.469856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.475406]  ? check_preemption_disabled+0x48/0x280
[  889.480431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  889.485301]  apic_timer_interrupt+0xf/0x20
[  889.489532]  </IRQ>
[  889.491780] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  889.497690] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  889.516591] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  889.524297] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  889.531564] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  889.538844] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  889.546112] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  889.553381] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  889.560693]  ? save_stack+0xa9/0xd0
[  889.564333]  __kmalloc_node_track_caller+0x3c/0x70
[  889.569276]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  889.574043]  pskb_expand_head+0x230/0x10f0
[  889.578279]  ? check_preemption_disabled+0x48/0x280
[  889.583303]  ? memcpy+0x45/0x50
[  889.586589]  ? __copy_skb_header+0x350/0x6b0
[  889.591000]  ? skb_release_data+0x880/0x880
[  889.595335]  ? __alloc_skb+0x770/0x770
[  889.599243]  ? __lock_is_held+0xb5/0x140
[  889.603317]  ? kasan_check_write+0x14/0x20
[  889.607555]  ? __skb_clone+0x6c7/0xa00
[  889.611462]  ? __copy_skb_header+0x6b0/0x6b0
[  889.615873]  ? kmem_cache_alloc+0x33a/0x730
[  889.620202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.625747]  skb_ensure_writable+0x3dd/0x640
[  889.630165]  ? skb_checksum_setup+0xaa0/0xaa0
[  889.634666]  ? preempt_notifier_register+0x200/0x200
[  889.639772]  ? __switch_to_asm+0x34/0x70
[  889.643865]  ? __switch_to_asm+0x34/0x70
[  889.647931]  ? __switch_to_asm+0x40/0x70
[  889.651995]  ? __switch_to_asm+0x34/0x70
[  889.656075]  ? __switch_to_asm+0x40/0x70
[  889.660137]  ? __switch_to_asm+0x40/0x70
[  889.664200]  ? __switch_to_asm+0x34/0x70
[  889.668275]  ? __switch_to_asm+0x34/0x70
[  889.672346]  ? __switch_to_asm+0x40/0x70
[  889.676417]  ? __switch_to_asm+0x34/0x70
[  889.680488]  bpf_clone_redirect+0x14a/0x490
[  889.684824]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  889.689860]  ? __sched_text_start+0x8/0x8
[  889.694012]  ? retint_kernel+0x2d/0x2d
[  889.697943]  ? find_held_lock+0x36/0x1c0
[  889.702013]  ? lock_acquire+0x1ed/0x520
[  889.705989]  ? bpf_test_run+0x3cb/0x780
[  889.709965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  889.715507]  ? check_preemption_disabled+0x48/0x280
[  889.720545]  ? kasan_check_read+0x11/0x20
[  889.724696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  889.729988]  ? rcu_softirq_qs+0x20/0x20
[  889.733967]  ? preempt_schedule+0x4d/0x60
[  889.738117]  ? ___preempt_schedule+0x16/0x18
[  889.742537]  ? bpf_test_run+0x25d/0x780
[  889.746524]  ? netlink_diag_dump+0x2a0/0x2a0
[  889.750954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  889.756502]  ? bpf_test_init.isra.10+0x70/0x100
[  889.761379]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  889.766153]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  889.770995]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  889.776535]  ? fput+0x130/0x1a0
[  889.779819]  ? __bpf_prog_get+0x9b/0x290
[  889.783886]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  889.788731]  ? bpf_prog_test_run+0x130/0x1a0
[  889.793146]  ? __x64_sys_bpf+0x3d8/0x520
[  889.797206]  ? bpf_prog_get+0x20/0x20
[  889.801130]  ? do_syscall_64+0x1b9/0x820
[  889.805196]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  889.810578]  ? syscall_return_slowpath+0x5e0/0x5e0
[  889.815526]  ? trace_hardirqs_on_caller+0x310/0x310
[  889.820556]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  889.825578]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  889.832244]  ? __switch_to_asm+0x40/0x70
[  889.836309]  ? __switch_to_asm+0x34/0x70
[  889.840375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  889.845235]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  889.850619] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  889.850690] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  889.857290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  889.857299] Call Trace:
[  889.863876] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  889.873137]  <IRQ>
[  889.875712] syz-executor0 cpuset=syz0 mems_allowed=0
[  889.886191]  dump_stack+0x244/0x39d
[  889.897083]  ? dump_stack_print_info.cold.1+0x20/0x20
[  889.902288]  warn_alloc.cold.116+0xb7/0x1bd
[  889.906626]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  889.911473]  ? lock_downgrade+0x900/0x900
[  889.915632]  ? trace_hardirqs_off+0xb8/0x310
[  889.920049]  ? trace_hardirqs_off+0xb8/0x310
[  889.924468]  __alloc_pages_slowpath+0x26e8/0x2e10
[  889.929353]  ? warn_alloc+0x120/0x120
[  889.933162]  ? warn_alloc+0x120/0x120
[  889.936967]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  889.942000]  ? warn_alloc+0x120/0x120
[  889.945818]  ? print_usage_bug+0xc0/0xc0
[  889.949885]  ? print_usage_bug+0xc0/0xc0
[  889.953954]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  889.959157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  889.964700]  ? should_fail+0x22d/0xd01
[  889.968600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  889.973708]  ? __lock_acquire+0x62f/0x4c20
[  889.977952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  889.983055]  ? should_fail+0x22d/0xd01
[  889.986957]  ? mark_held_locks+0x130/0x130
[  889.991217]  ? mark_held_locks+0x130/0x130
[  889.995478]  ? kvm_clock_read+0x18/0x30
[  889.999459]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  890.004479]  ? ktime_get+0x2c1/0x400
[  890.008200]  ? zap_class+0x640/0x640
[  890.011923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.017467]  ? check_preemption_disabled+0x48/0x280
[  890.022500]  ? __lock_is_held+0xb5/0x140
[  890.026572]  __alloc_pages_nodemask+0xa80/0xde0
[  890.031246]  ? zap_class+0x640/0x640
[  890.034968]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  890.040020]  ? find_held_lock+0x36/0x1c0
[  890.044094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  890.048767]  ? lock_downgrade+0x900/0x900
[  890.052925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.058472]  cache_grow_begin+0xa5/0x8c0
[  890.062536]  ? do_raw_spin_unlock+0xa7/0x330
[  890.066957]  fallback_alloc+0x204/0x2e0
[  890.070944]  ____cache_alloc_node+0x1c7/0x1e0
[  890.075459]  kmem_cache_alloc_node+0xe3/0x730
[  890.079969]  __alloc_skb+0x119/0x770
[  890.083692]  ? netdev_alloc_frag+0x1f0/0x1f0
[  890.088116]  ? mark_held_locks+0x130/0x130
[  890.092358]  ? __lock_acquire+0x62f/0x4c20
[  890.096598]  ? trace_hardirqs_off_caller+0x310/0x310
[  890.101709]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  890.106744]  __br_mdb_notify+0x4ff/0x15d0
[  890.110927]  ? __br_mdb_add+0x7f0/0x7f0
[  890.114929]  ? zap_class+0x640/0x640
[  890.118670]  ? lock_acquire+0x1ed/0x520
[  890.122647]  ? br_multicast_group_expired+0x96/0x610
[  890.127755]  ? lock_downgrade+0x900/0x900
[  890.131910]  br_mdb_notify+0x310/0x410
[  890.135827]  ? br_mdb_dump+0x27b0/0x27b0
[  890.139915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.145462]  br_multicast_group_expired+0x1bc/0x610
[  890.150484]  ? br_mdb_free+0x80/0x80
[  890.154213]  call_timer_fn+0x272/0x920
[  890.158101]  ? br_mdb_free+0x80/0x80
[  890.161820]  ? process_timeout+0x40/0x40
[  890.165902]  ? mark_held_locks+0xc7/0x130
[  890.170073]  ? _raw_spin_unlock_irq+0x27/0x80
[  890.174573]  ? _raw_spin_unlock_irq+0x27/0x80
[  890.179070]  ? br_mdb_free+0x80/0x80
[  890.182791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  890.187380]  ? trace_hardirqs_on+0xbd/0x310
[  890.191709]  ? kasan_check_read+0x11/0x20
[  890.195878]  ? __run_timers+0x7da/0xc70
[  890.199864]  ? trace_hardirqs_off_caller+0x310/0x310
[  890.205017]  ? br_mdb_free+0x80/0x80
[  890.208756]  ? br_mdb_free+0x80/0x80
[  890.212497]  __run_timers+0x7e5/0xc70
[  890.216309]  ? timer_fixup_init+0x70/0x70
[  890.220475]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  890.225517]  ? zap_class+0x640/0x640
[  890.229241]  ? print_usage_bug+0xc0/0xc0
[  890.233307]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  890.238520]  ? find_held_lock+0x36/0x1c0
[  890.242594]  ? zap_class+0x640/0x640
[  890.246356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.251898]  ? check_preemption_disabled+0x48/0x280
[  890.256927]  ? __lock_is_held+0xb5/0x140
[  890.261001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.266559]  ? check_preemption_disabled+0x48/0x280
[  890.271590]  run_timer_softirq+0x52/0xb0
[  890.275655]  ? rcu_read_lock_sched_held+0x14f/0x180
[  890.280678]  __do_softirq+0x308/0xb7e
[  890.284488]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  890.288987]  ? lock_downgrade+0x900/0x900
[  890.293148]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  890.298276]  ? pvclock_read_flags+0x160/0x160
[  890.302783]  ? lapic_next_event+0x5a/0x90
[  890.306937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.312520]  ? kvm_clock_read+0x18/0x30
[  890.316496]  ? kvm_sched_clock_read+0x9/0x20
[  890.320909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  890.326465]  ? check_preemption_disabled+0x48/0x280
[  890.331494]  irq_exit+0x17f/0x1c0
[  890.334964]  smp_apic_timer_interrupt+0x1cb/0x760
[  890.339807]  ? smp_reschedule_interrupt+0x109/0x650
[  890.344829]  ? smp_call_function_single_interrupt+0x650/0x650
[  890.350716]  ? interrupt_entry+0xb5/0xc0
[  890.354795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  890.359814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  890.364838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  890.369685]  ? trace_hardirqs_on_caller+0x310/0x310
[  890.374701]  ? trace_hardirqs_on_caller+0x310/0x310
[  890.379717]  ? task_prio+0x50/0x50
[  890.383261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.388822]  ? check_preemption_disabled+0x48/0x280
[  890.393848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  890.398702]  apic_timer_interrupt+0xf/0x20
[  890.402930]  </IRQ>
[  890.405178] RIP: 0010:dump_stack+0x358/0x39d
[  890.409591] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  890.428501] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  890.436206] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  890.443483] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  890.450747] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  890.458010] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  890.465274] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  890.472570]  ? dump_stack+0x34f/0x39d
[  890.476386]  ? dump_stack_print_info.cold.1+0x20/0x20
[  890.481586]  ? mark_held_locks+0x130/0x130
[  890.485821]  ? mark_held_locks+0x130/0x130
[  890.490058]  dump_header+0x27b/0xf72
[  890.493788]  ? pagefault_out_of_memory+0x197/0x197
[  890.498735]  ? __lock_acquire+0x62f/0x4c20
[  890.502967]  ? percpu_ref_get_many+0x240/0x240
[  890.507555]  ? print_usage_bug+0xc0/0xc0
[  890.511625]  ? zap_class+0x640/0x640
[  890.515341]  ? print_usage_bug+0xc0/0xc0
[  890.519403]  ? print_usage_bug+0xc0/0xc0
[  890.523476]  ? zap_class+0x640/0x640
[  890.527194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.532735]  ? find_held_lock+0x36/0x1c0
[  890.536829]  ? mark_held_locks+0xc7/0x130
[  890.540984]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  890.546093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  890.551205]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  890.555788]  ? trace_hardirqs_on+0xbd/0x310
[  890.560113]  ? kasan_check_read+0x11/0x20
[  890.564267]  ? ___ratelimit+0x3b4/0x672
[  890.568248]  ? trace_hardirqs_off_caller+0x310/0x310
[  890.573351]  ? trace_hardirqs_on+0x310/0x310
[  890.577760]  ? lock_downgrade+0x900/0x900
[  890.581916]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  890.587039]  ? ___ratelimit+0x3b9/0x672
[  890.591018]  ? idr_get_free+0xf80/0xf80
[  890.594993]  ? find_held_lock+0x36/0x1c0
[  890.599063]  oom_kill_process.cold.27+0x10/0x903
[  890.603818]  ? zap_class+0x640/0x640
[  890.607536]  ? check_preemption_disabled+0x48/0x280
[  890.612577]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  890.617507]  ? kasan_check_read+0x11/0x20
[  890.621653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  890.626958]  ? oom_evaluate_task+0x540/0x540
[  890.631375]  ? find_held_lock+0x36/0x1c0
[  890.635448]  ? out_of_memory+0x974/0x1430
[  890.639615]  ? lock_downgrade+0x900/0x900
[  890.643824]  ? check_preemption_disabled+0x48/0x280
[  890.648864]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  890.653797]  ? kasan_check_read+0x11/0x20
[  890.657949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  890.663228]  ? rcu_softirq_qs+0x20/0x20
[  890.667206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  890.672743]  ? oom_evaluate_task+0x302/0x540
[  890.677159]  out_of_memory+0xa84/0x1430
[  890.681161]  ? oom_killer_disable+0x3a0/0x3a0
[  890.685672]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  890.690606]  ? __ww_mutex_check_waiters+0x160/0x160
[  890.695639]  __alloc_pages_slowpath+0x2354/0x2e10
[  890.700521]  ? warn_alloc+0x120/0x120
[  890.704336]  ? mark_held_locks+0x130/0x130
[  890.708595]  ? find_get_entry+0xaae/0x1120
[  890.712843]  ? filemap_map_pages+0x1a20/0x1a20
[  890.717453]  ? zap_class+0x640/0x640
[  890.721189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.727159]  ? check_preemption_disabled+0x48/0x280
[  890.732177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  890.737715]  ? should_fail+0x22d/0xd01
[  890.741610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  890.746711]  ? zap_class+0x640/0x640
[  890.750466]  ? __lock_is_held+0xb5/0x140
[  890.754542]  ? mark_held_locks+0x130/0x130
[  890.758786]  ? lock_release+0xa00/0xa00
[  890.762766]  ? perf_trace_sched_process_exec+0x860/0x860
[  890.768222]  ? xa_load+0x2ba/0x460
[  890.771767]  ? lock_downgrade+0x900/0x900
[  890.775945]  ? __might_sleep+0x95/0x190
[  890.779928]  __alloc_pages_nodemask+0xa80/0xde0
[  890.785605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  890.790651]  ? __page_cache_alloc+0x191/0x5c0
[  890.795167]  ? xa_load+0x2e1/0x460
[  890.798715]  ? xa_clear_mark+0x40/0x40
[  890.802607]  ? zap_class+0x640/0x640
[  890.806328]  ? zap_class+0x640/0x640
[  890.810053]  ? zap_class+0x640/0x640
[  890.813787]  ? __do_page_cache_readahead+0x663/0x810
[  890.818895]  ? find_held_lock+0x36/0x1c0
[  890.822989]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  890.828534]  alloc_pages_current+0x173/0x350
[  890.833106]  __page_cache_alloc+0x38c/0x5c0
[  890.837437]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  890.842368]  ? kasan_check_read+0x11/0x20
[  890.846531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  890.851812]  ? generic_perform_write+0x6a0/0x6a0
[  890.856569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  890.862112]  ? check_preemption_disabled+0x48/0x280
[  890.867139]  filemap_fault+0x1595/0x25f0
[  890.871241]  ? __lock_page_or_retry+0xa00/0xa00
[  890.875910]  ? mark_held_locks+0x130/0x130
[  890.880157]  ? filemap_map_pages+0xd6b/0x1a20
[  890.884664]  ? lock_downgrade+0x900/0x900
[  890.888806]  ? check_preemption_disabled+0x48/0x280
[  890.893824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  890.898756]  ? kasan_check_read+0x11/0x20
[  890.902921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  890.908202]  ? rcu_softirq_qs+0x20/0x20
[  890.912217]  ? filemap_map_pages+0xd92/0x1a20
[  890.916741]  ? find_get_entries_tag+0x1400/0x1400
[  890.921600]  ? debug_object_destroy+0x2b0/0x2b0
[  890.926274]  ? lock_pi_update_atomic+0x150/0x150
[  890.931032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  890.936587]  ? lock_acquire+0x1ed/0x520
[  890.940564]  ? ext4_filemap_fault+0x7a/0xad
[  890.944895]  ? lock_release+0xa00/0xa00
[  890.948872]  ? perf_trace_sched_process_exec+0x860/0x860
[  890.954325]  ? print_usage_bug+0xc0/0xc0
[  890.958391]  ? print_usage_bug+0xc0/0xc0
[  890.962483]  ? down_read+0x8d/0x120
[  890.966114]  ? ext4_filemap_fault+0x7a/0xad
[  890.970447]  ? __down_interruptible+0x700/0x700
[  890.975133]  ext4_filemap_fault+0x82/0xad
[  890.979286]  __do_fault+0x100/0x6b0
[  890.982913]  ? find_held_lock+0x36/0x1c0
[  890.986992]  ? pmd_devmap_trans_unstable+0x220/0x220
[  890.992124]  ? mark_held_locks+0x130/0x130
[  890.996404]  ? mark_held_locks+0x130/0x130
[  891.000643]  ? _raw_spin_unlock_irq+0x27/0x80
[  891.005141]  ? _raw_spin_unlock_irq+0x27/0x80
[  891.009638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  891.014225]  ? kasan_check_read+0x11/0x20
[  891.018374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  891.023956]  __handle_mm_fault+0x3ea6/0x5be0
[  891.028377]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  891.033221]  ? finish_task_switch+0x1f4/0x910
[  891.037718]  ? finish_task_switch+0x1b4/0x910
[  891.042229]  ? __switch_to_asm+0x34/0x70
[  891.046295]  ? preempt_notifier_register+0x200/0x200
[  891.051399]  ? __switch_to_asm+0x34/0x70
[  891.055480]  ? __switch_to_asm+0x34/0x70
[  891.059570]  ? zap_class+0x640/0x640
[  891.063284]  ? zap_class+0x640/0x640
[  891.067009]  ? __x64_sys_futex+0x53e/0x6a0
[  891.071248]  ? find_held_lock+0x36/0x1c0
[  891.075318]  ? handle_mm_fault+0x42a/0xc70
[  891.079566]  ? lock_downgrade+0x900/0x900
[  891.083717]  ? check_preemption_disabled+0x48/0x280
[  891.088751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  891.093681]  ? kasan_check_read+0x11/0x20
[  891.097831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  891.103110]  ? rcu_softirq_qs+0x20/0x20
[  891.107087]  ? trace_hardirqs_off_caller+0x310/0x310
[  891.112193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  891.117733]  ? check_preemption_disabled+0x48/0x280
[  891.122772]  handle_mm_fault+0x54f/0xc70
[  891.126849]  ? __handle_mm_fault+0x5be0/0x5be0
[  891.131442]  ? find_vma+0x34/0x190
[  891.134991]  __do_page_fault+0x5e8/0xe60
[  891.139068]  ? trace_hardirqs_off+0xb8/0x310
[  891.143490]  do_page_fault+0xf2/0x7e0
[  891.147295]  ? vmalloc_sync_all+0x30/0x30
[  891.151452]  ? error_entry+0x70/0xd0
[  891.155171]  ? trace_hardirqs_off_caller+0xbb/0x310
[  891.160205]  ? trace_hardirqs_on_caller+0xc0/0x310
[  891.165136]  ? syscall_return_slowpath+0x5e0/0x5e0
[  891.170076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  891.174921]  ? trace_hardirqs_on_caller+0x310/0x310
[  891.179942]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  891.185401]  ? prepare_exit_to_usermode+0x291/0x3b0
[  891.190442]  ? page_fault+0x8/0x30
[  891.193993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  891.198840]  ? page_fault+0x8/0x30
[  891.202386]  page_fault+0x1e/0x30
[  891.205844] RIP: 0033:0x45ddf3
[  891.209070] Code: Bad RIP value.
[  891.212438] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  891.217799] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  891.225063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  891.232334] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  891.239601] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  891.246869] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  891.254161] warn_alloc_show_mem: 1 callbacks suppressed
[  891.254173] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  891.254175] Mem-Info:
[  891.254206] active_anon:53034 inactive_anon:131 isolated_anon:0
[  891.254206]  active_file:14 inactive_file:14 isolated_file:0
[  891.254206]  unevictable:0 dirty:0 writeback:0 unstable:0
[  891.254206]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  891.254206]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  891.254206]  free:13749 free_pcp:564 free_cma:0
[  891.259549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  891.266582] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  891.268979] Call Trace:
[  891.301931] 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
[  891.311288]  <IRQ>
[  891.338677] lowmem_reserve[]: 0 2818 6321 6321
[  891.341270]  dump_stack+0x244/0x39d
[  891.367363] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  891.369514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  891.374075] lowmem_reserve[]: 0 0 3503 3503
[  891.377711]  warn_alloc.cold.116+0xb7/0x1bd
[  891.405178] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  891.410371]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  891.414668] lowmem_reserve[]: 0 0 0 0
[  891.418993]  ? lock_downgrade+0x900/0x900
[  891.448028] 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
[  891.452877]  ? trace_hardirqs_off+0xb8/0x310
[  891.456651] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  891.460800]  ? trace_hardirqs_off+0xb8/0x310
[  891.474298] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  891.478710]  __alloc_pages_slowpath+0x26e8/0x2e10
[  891.493864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  891.498286]  ? warn_alloc+0x120/0x120
[  891.513681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  891.518517]  ? print_usage_bug+0xc0/0xc0
[  891.527346] 166 total pagecache pages
[  891.531141]  ? warn_alloc+0x120/0x120
[  891.539706] 0 pages in swap cache
[  891.543758]  ? warn_alloc+0x120/0x120
[  891.547544] Swap cache stats: add 0, delete 0, find 0/0
[  891.551337]  ? print_usage_bug+0xc0/0xc0
[  891.554773] Free swap  = 0kB
[  891.558569]  ? kvm_clock_read+0x18/0x30
[  891.563929] Total swap = 0kB
[  891.567991]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  891.570986] 1965979 pages RAM
[  891.574974]  ? print_usage_bug+0xc0/0xc0
[  891.577971] 0 pages HighMem/MovableOnly
[  891.582982]  ? __lock_acquire+0x62f/0x4c20
[  891.586069] 342858 pages reserved
[  891.590128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  891.594081] 0 pages cma reserved
[  891.598311]  ? should_fail+0x22d/0xd01
[  891.601854] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  891.607266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  891.610615] syz-fuzzer cpuset=/ mems_allowed=0
[  891.614505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  891.639641]  ? __lock_acquire+0x62f/0x4c20
[  891.643909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  891.649019]  ? __lock_acquire+0x62f/0x4c20
[  891.653255]  ? should_fail+0x22d/0xd01
[  891.657152]  ? rcu_irq_exit+0x1a2/0x390
[  891.661139]  ? mark_held_locks+0x130/0x130
[  891.665420]  ? mark_held_locks+0x130/0x130
[  891.669665]  ? mark_held_locks+0xc7/0x130
[  891.673816]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  891.678835]  ? zap_class+0x640/0x640
[  891.682554]  ? print_usage_bug+0xc0/0xc0
[  891.686625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.692193]  ? check_preemption_disabled+0x48/0x280
[  891.697224]  ? __lock_is_held+0xb5/0x140
[  891.701312]  __alloc_pages_nodemask+0xa80/0xde0
[  891.705982]  ? zap_class+0x640/0x640
[  891.709721]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  891.714752]  ? find_held_lock+0x36/0x1c0
[  891.718830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  891.723507]  ? lock_downgrade+0x900/0x900
[  891.727671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.733237]  cache_grow_begin+0xa5/0x8c0
[  891.737304]  ? do_raw_spin_unlock+0xa7/0x330
[  891.741730]  fallback_alloc+0x204/0x2e0
[  891.745739]  ____cache_alloc_node+0x1c7/0x1e0
[  891.750246]  kmem_cache_alloc_node+0xe3/0x730
[  891.754761]  ? ipv6_get_ifaddr+0x42e/0x620
[  891.759008]  __alloc_skb+0x119/0x770
[  891.762722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  891.768015]  ? netdev_alloc_frag+0x1f0/0x1f0
[  891.772429]  ? lock_downgrade+0x900/0x900
[  891.776590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.782133]  ? refcount_sub_and_test_checked+0x203/0x310
[  891.787591]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  891.793058]  ? addrconf_rs_timer+0x690/0x690
[  891.797483]  ndisc_alloc_skb+0x144/0x340
[  891.801553]  ndisc_send_rs+0x331/0x6e0
[  891.805448]  addrconf_rs_timer+0x314/0x690
[  891.809687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  891.813937]  call_timer_fn+0x272/0x920
[  891.817824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  891.822067]  ? process_timeout+0x40/0x40
[  891.826139]  ? __run_timers+0x7da/0xc70
[  891.830117]  ? _raw_spin_unlock_irq+0x27/0x80
[  891.834612]  ? _raw_spin_unlock_irq+0x27/0x80
[  891.839104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  891.843351]  ? lockdep_hardirqs_on+0x296/0x5b0
[  891.847943]  ? trace_hardirqs_on+0xbd/0x310
[  891.852265]  ? kasan_check_read+0x11/0x20
[  891.856412]  ? __run_timers+0x7da/0xc70
[  891.860392]  ? trace_hardirqs_off_caller+0x310/0x310
[  891.865501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  891.869745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  891.873997]  __run_timers+0x7e5/0xc70
[  891.877809]  ? timer_fixup_init+0x70/0x70
[  891.881969]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  891.887026]  ? zap_class+0x640/0x640
[  891.890783]  ? enqueue_hrtimer+0x1a5/0x560
[  891.895021]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  891.900219]  ? find_held_lock+0x36/0x1c0
[  891.904290]  ? zap_class+0x640/0x640
[  891.908012]  ? pvclock_read_flags+0x160/0x160
[  891.912514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.918083]  ? check_preemption_disabled+0x48/0x280
[  891.923138]  ? __lock_is_held+0xb5/0x140
[  891.927225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.932794]  ? check_preemption_disabled+0x48/0x280
[  891.937864]  run_timer_softirq+0x52/0xb0
[  891.941950]  ? rcu_read_lock_sched_held+0x14f/0x180
[  891.946985]  __do_softirq+0x308/0xb7e
[  891.950791]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  891.955287]  ? lock_downgrade+0x900/0x900
[  891.959470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  891.964584]  ? pvclock_read_flags+0x160/0x160
[  891.969137]  ? lapic_next_event+0x5a/0x90
[  891.973291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.978851]  ? kvm_clock_read+0x18/0x30
[  891.982848]  ? kvm_sched_clock_read+0x9/0x20
[  891.987263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  891.992802]  ? check_preemption_disabled+0x48/0x280
[  891.997831]  irq_exit+0x17f/0x1c0
[  892.001289]  smp_apic_timer_interrupt+0x1cb/0x760
[  892.006148]  ? smp_reschedule_interrupt+0x109/0x650
[  892.011184]  ? smp_call_function_single_interrupt+0x650/0x650
[  892.017068]  ? interrupt_entry+0xb5/0xc0
[  892.021132]  ? trace_hardirqs_off_caller+0xbb/0x310
[  892.026148]  ? trace_hardirqs_off_caller+0xbb/0x310
[  892.031167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  892.036024]  ? trace_hardirqs_on_caller+0x310/0x310
[  892.041042]  ? trace_hardirqs_on_caller+0x310/0x310
[  892.046071]  ? task_prio+0x50/0x50
[  892.049617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.055160]  ? check_preemption_disabled+0x48/0x280
[  892.060196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  892.065049]  apic_timer_interrupt+0xf/0x20
[  892.069283]  </IRQ>
[  892.071524] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  892.077409] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  892.096341] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  892.104047] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  892.111321] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  892.118589] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  892.125859] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  892.133128] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  892.140424]  ? save_stack+0xa9/0xd0
[  892.144069]  __kmalloc_node_track_caller+0x3c/0x70
[  892.149011]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  892.153776]  pskb_expand_head+0x230/0x10f0
[  892.158016]  ? check_preemption_disabled+0x48/0x280
[  892.163036]  ? memcpy+0x45/0x50
[  892.166333]  ? __copy_skb_header+0x350/0x6b0
[  892.170806]  ? skb_release_data+0x880/0x880
[  892.175140]  ? __alloc_skb+0x770/0x770
[  892.179040]  ? __lock_is_held+0xb5/0x140
[  892.183109]  ? kasan_check_write+0x14/0x20
[  892.187342]  ? __skb_clone+0x6c7/0xa00
[  892.191233]  ? __copy_skb_header+0x6b0/0x6b0
[  892.195643]  ? kmem_cache_alloc+0x33a/0x730
[  892.199972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.205532]  skb_ensure_writable+0x3dd/0x640
[  892.209948]  ? skb_checksum_setup+0xaa0/0xaa0
[  892.214464]  ? preempt_notifier_register+0x200/0x200
[  892.219570]  ? __switch_to_asm+0x34/0x70
[  892.223633]  ? __switch_to_asm+0x34/0x70
[  892.227694]  ? __switch_to_asm+0x40/0x70
[  892.231759]  ? __switch_to_asm+0x34/0x70
[  892.235822]  ? __switch_to_asm+0x40/0x70
[  892.239881]  ? __switch_to_asm+0x40/0x70
[  892.243949]  ? __switch_to_asm+0x34/0x70
[  892.248054]  ? __switch_to_asm+0x34/0x70
[  892.252117]  ? __switch_to_asm+0x40/0x70
[  892.256176]  ? __switch_to_asm+0x34/0x70
[  892.260255]  bpf_clone_redirect+0x14a/0x490
[  892.264586]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  892.269605]  ? __sched_text_start+0x8/0x8
[  892.273759]  ? retint_kernel+0x2d/0x2d
[  892.277658]  ? find_held_lock+0x36/0x1c0
[  892.281733]  ? lock_acquire+0x1ed/0x520
[  892.285710]  ? bpf_test_run+0x3cb/0x780
[  892.289689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.295229]  ? check_preemption_disabled+0x48/0x280
[  892.300257]  ? kasan_check_read+0x11/0x20
[  892.304405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  892.309687]  ? rcu_softirq_qs+0x20/0x20
[  892.313662]  ? preempt_schedule+0x4d/0x60
[  892.317822]  ? ___preempt_schedule+0x16/0x18
[  892.322238]  ? bpf_test_run+0x25d/0x780
[  892.326233]  ? netlink_diag_dump+0x2a0/0x2a0
[  892.330648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  892.336189]  ? bpf_test_init.isra.10+0x70/0x100
[  892.340867]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  892.345637]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  892.350478]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  892.356019]  ? fput+0x130/0x1a0
[  892.359301]  ? __bpf_prog_get+0x9b/0x290
[  892.363366]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  892.368211]  ? bpf_prog_test_run+0x130/0x1a0
[  892.372623]  ? __x64_sys_bpf+0x3d8/0x520
[  892.376686]  ? bpf_prog_get+0x20/0x20
[  892.380534]  ? do_syscall_64+0x1b9/0x820
[  892.384641]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  892.390008]  ? syscall_return_slowpath+0x5e0/0x5e0
[  892.394945]  ? trace_hardirqs_on_caller+0x310/0x310
[  892.399961]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  892.404998]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  892.411663]  ? __switch_to_asm+0x40/0x70
[  892.415720]  ? __switch_to_asm+0x34/0x70
[  892.419784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  892.424655]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  892.430065] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  892.430166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  892.436746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  892.436755] Call Trace:
[  892.443363] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  892.452601]  <IRQ>
[  892.455176] syz-executor0 cpuset=syz0 mems_allowed=0
[  892.465653]  dump_stack+0x244/0x39d
[  892.476493]  ? dump_stack_print_info.cold.1+0x20/0x20
[  892.481723]  warn_alloc.cold.116+0xb7/0x1bd
[  892.486047]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  892.490894]  ? lock_downgrade+0x900/0x900
[  892.495051]  ? trace_hardirqs_off+0xb8/0x310
[  892.499467]  ? trace_hardirqs_off+0xb8/0x310
[  892.503885]  __alloc_pages_slowpath+0x26e8/0x2e10
[  892.508767]  ? warn_alloc+0x120/0x120
[  892.512582]  ? warn_alloc+0x120/0x120
[  892.516421]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  892.521455]  ? warn_alloc+0x120/0x120
[  892.525260]  ? print_usage_bug+0xc0/0xc0
[  892.529323]  ? print_usage_bug+0xc0/0xc0
[  892.533388]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  892.538600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  892.544138]  ? should_fail+0x22d/0xd01
[  892.548060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  892.553167]  ? __lock_acquire+0x62f/0x4c20
[  892.557441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  892.562549]  ? should_fail+0x22d/0xd01
[  892.566455]  ? mark_held_locks+0x130/0x130
[  892.570708]  ? mark_held_locks+0x130/0x130
[  892.574950]  ? kvm_clock_read+0x18/0x30
[  892.578924]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  892.583940]  ? ktime_get+0x2c1/0x400
[  892.587660]  ? zap_class+0x640/0x640
[  892.591392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.596950]  ? check_preemption_disabled+0x48/0x280
[  892.601977]  ? __lock_is_held+0xb5/0x140
[  892.606045]  __alloc_pages_nodemask+0xa80/0xde0
[  892.610718]  ? zap_class+0x640/0x640
[  892.614446]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  892.619489]  ? find_held_lock+0x36/0x1c0
[  892.623564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  892.628237]  ? lock_downgrade+0x900/0x900
[  892.632398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.637957]  cache_grow_begin+0xa5/0x8c0
[  892.642024]  ? do_raw_spin_unlock+0xa7/0x330
[  892.646479]  fallback_alloc+0x204/0x2e0
[  892.650462]  ____cache_alloc_node+0x1c7/0x1e0
[  892.654968]  kmem_cache_alloc_node+0xe3/0x730
[  892.659473]  __alloc_skb+0x119/0x770
[  892.663209]  ? netdev_alloc_frag+0x1f0/0x1f0
[  892.667627]  ? mark_held_locks+0x130/0x130
[  892.671874]  ? __lock_acquire+0x62f/0x4c20
[  892.677066]  ? trace_hardirqs_off_caller+0x310/0x310
[  892.682231]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  892.687274]  __br_mdb_notify+0x4ff/0x15d0
[  892.691445]  ? __br_mdb_add+0x7f0/0x7f0
[  892.695453]  ? zap_class+0x640/0x640
[  892.699180]  ? lock_acquire+0x1ed/0x520
[  892.703153]  ? br_multicast_group_expired+0x96/0x610
[  892.708258]  ? lock_downgrade+0x900/0x900
[  892.712427]  br_mdb_notify+0x310/0x410
[  892.716321]  ? br_mdb_dump+0x27b0/0x27b0
[  892.720396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.726469]  br_multicast_group_expired+0x1bc/0x610
[  892.731487]  ? br_mdb_free+0x80/0x80
[  892.735216]  call_timer_fn+0x272/0x920
[  892.739115]  ? br_mdb_free+0x80/0x80
[  892.742829]  ? process_timeout+0x40/0x40
[  892.746939]  ? mark_held_locks+0xc7/0x130
[  892.751105]  ? _raw_spin_unlock_irq+0x27/0x80
[  892.755618]  ? _raw_spin_unlock_irq+0x27/0x80
[  892.760113]  ? br_mdb_free+0x80/0x80
[  892.763853]  ? lockdep_hardirqs_on+0x296/0x5b0
[  892.768446]  ? trace_hardirqs_on+0xbd/0x310
[  892.772773]  ? kasan_check_read+0x11/0x20
[  892.776922]  ? __run_timers+0x7da/0xc70
[  892.780905]  ? trace_hardirqs_off_caller+0x310/0x310
[  892.786015]  ? br_mdb_free+0x80/0x80
[  892.789734]  ? br_mdb_free+0x80/0x80
[  892.793452]  __run_timers+0x7e5/0xc70
[  892.797297]  ? timer_fixup_init+0x70/0x70
[  892.801453]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  892.806476]  ? zap_class+0x640/0x640
[  892.810212]  ? print_usage_bug+0xc0/0xc0
[  892.814277]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  892.819479]  ? find_held_lock+0x36/0x1c0
[  892.823548]  ? zap_class+0x640/0x640
[  892.827292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.833050]  ? check_preemption_disabled+0x48/0x280
[  892.838079]  ? __lock_is_held+0xb5/0x140
[  892.842142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.847684]  ? check_preemption_disabled+0x48/0x280
[  892.852724]  run_timer_softirq+0x52/0xb0
[  892.856787]  ? rcu_read_lock_sched_held+0x14f/0x180
[  892.861804]  __do_softirq+0x308/0xb7e
[  892.865610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  892.870106]  ? lock_downgrade+0x900/0x900
[  892.874261]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  892.879395]  ? pvclock_read_flags+0x160/0x160
[  892.883901]  ? lapic_next_event+0x5a/0x90
[  892.888053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.893618]  ? kvm_clock_read+0x18/0x30
[  892.897596]  ? kvm_sched_clock_read+0x9/0x20
[  892.902007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  892.907559]  ? check_preemption_disabled+0x48/0x280
[  892.912588]  irq_exit+0x17f/0x1c0
[  892.916054]  smp_apic_timer_interrupt+0x1cb/0x760
[  892.920902]  ? smp_reschedule_interrupt+0x109/0x650
[  892.925921]  ? smp_call_function_single_interrupt+0x650/0x650
[  892.931807]  ? interrupt_entry+0xb5/0xc0
[  892.935877]  ? trace_hardirqs_off_caller+0xbb/0x310
[  892.940893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  892.945919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  892.950766]  ? trace_hardirqs_on_caller+0x310/0x310
[  892.955782]  ? trace_hardirqs_on_caller+0x310/0x310
[  892.960799]  ? task_prio+0x50/0x50
[  892.964349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  892.969892]  ? check_preemption_disabled+0x48/0x280
[  892.974930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  892.979784]  apic_timer_interrupt+0xf/0x20
[  892.984018]  </IRQ>
[  892.986258] RIP: 0010:dump_stack+0x358/0x39d
[  892.990669] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  893.009570] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  893.017277] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  893.024570] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  893.031852] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  893.039169] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  893.046452] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  893.053739]  ? dump_stack+0x34f/0x39d
[  893.057593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  893.062790]  ? mark_held_locks+0x130/0x130
[  893.067028]  ? mark_held_locks+0x130/0x130
[  893.071273]  dump_header+0x27b/0xf72
[  893.074999]  ? pagefault_out_of_memory+0x197/0x197
[  893.079934]  ? __lock_acquire+0x62f/0x4c20
[  893.084167]  ? percpu_ref_get_many+0x240/0x240
[  893.088753]  ? print_usage_bug+0xc0/0xc0
[  893.092820]  ? zap_class+0x640/0x640
[  893.096536]  ? print_usage_bug+0xc0/0xc0
[  893.100598]  ? print_usage_bug+0xc0/0xc0
[  893.104658]  ? zap_class+0x640/0x640
[  893.108403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  893.113973]  ? find_held_lock+0x36/0x1c0
[  893.118050]  ? mark_held_locks+0xc7/0x130
[  893.122214]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  893.127315]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  893.132428]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  893.137011]  ? trace_hardirqs_on+0xbd/0x310
[  893.141339]  ? kasan_check_read+0x11/0x20
[  893.145488]  ? ___ratelimit+0x3b4/0x672
[  893.149464]  ? trace_hardirqs_off_caller+0x310/0x310
[  893.154568]  ? trace_hardirqs_on+0x310/0x310
[  893.158988]  ? lock_downgrade+0x900/0x900
[  893.163154]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  893.168260]  ? ___ratelimit+0x3b9/0x672
[  893.172240]  ? idr_get_free+0xf80/0xf80
[  893.176215]  ? find_held_lock+0x36/0x1c0
[  893.180308]  oom_kill_process.cold.27+0x10/0x903
[  893.185068]  ? zap_class+0x640/0x640
[  893.188794]  ? check_preemption_disabled+0x48/0x280
[  893.193824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  893.198780]  ? kasan_check_read+0x11/0x20
[  893.202926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  893.208209]  ? oom_evaluate_task+0x540/0x540
[  893.212626]  ? find_held_lock+0x36/0x1c0
[  893.216712]  ? out_of_memory+0x974/0x1430
[  893.220873]  ? lock_downgrade+0x900/0x900
[  893.225021]  ? check_preemption_disabled+0x48/0x280
[  893.230041]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  893.234969]  ? kasan_check_read+0x11/0x20
[  893.239115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  893.244393]  ? rcu_softirq_qs+0x20/0x20
[  893.248374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  893.253909]  ? oom_evaluate_task+0x302/0x540
[  893.258331]  out_of_memory+0xa84/0x1430
[  893.262313]  ? oom_killer_disable+0x3a0/0x3a0
[  893.266808]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  893.271740]  ? __ww_mutex_check_waiters+0x160/0x160
[  893.276773]  __alloc_pages_slowpath+0x2354/0x2e10
[  893.281648]  ? warn_alloc+0x120/0x120
[  893.285451]  ? mark_held_locks+0x130/0x130
[  893.289708]  ? find_get_entry+0xaae/0x1120
[  893.293956]  ? filemap_map_pages+0x1a20/0x1a20
[  893.298635]  ? zap_class+0x640/0x640
[  893.302356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  893.307915]  ? check_preemption_disabled+0x48/0x280
[  893.312933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  893.318488]  ? should_fail+0x22d/0xd01
[  893.322379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  893.327489]  ? zap_class+0x640/0x640
[  893.331228]  ? __lock_is_held+0xb5/0x140
[  893.335304]  ? mark_held_locks+0x130/0x130
[  893.339545]  ? lock_release+0xa00/0xa00
[  893.343551]  ? perf_trace_sched_process_exec+0x860/0x860
[  893.349009]  ? xa_load+0x2ba/0x460
[  893.352583]  ? lock_downgrade+0x900/0x900
[  893.356739]  ? __might_sleep+0x95/0x190
[  893.360723]  __alloc_pages_nodemask+0xa80/0xde0
[  893.365405]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  893.370439]  ? __page_cache_alloc+0x191/0x5c0
[  893.374935]  ? xa_load+0x2e1/0x460
[  893.378478]  ? xa_clear_mark+0x40/0x40
[  893.382369]  ? zap_class+0x640/0x640
[  893.386093]  ? zap_class+0x640/0x640
[  893.389804]  ? zap_class+0x640/0x640
[  893.393519]  ? __do_page_cache_readahead+0x663/0x810
[  893.398639]  ? find_held_lock+0x36/0x1c0
[  893.402729]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  893.408294]  alloc_pages_current+0x173/0x350
[  893.412720]  __page_cache_alloc+0x38c/0x5c0
[  893.417036]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  893.421966]  ? kasan_check_read+0x11/0x20
[  893.426114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  893.431392]  ? generic_perform_write+0x6a0/0x6a0
[  893.436157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  893.441695]  ? check_preemption_disabled+0x48/0x280
[  893.446717]  filemap_fault+0x1595/0x25f0
[  893.450797]  ? __lock_page_or_retry+0xa00/0xa00
[  893.455472]  ? mark_held_locks+0x130/0x130
[  893.459727]  ? filemap_map_pages+0xd6b/0x1a20
[  893.464224]  ? lock_downgrade+0x900/0x900
[  893.468384]  ? check_preemption_disabled+0x48/0x280
[  893.473409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  893.478348]  ? kasan_check_read+0x11/0x20
[  893.482501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  893.487779]  ? rcu_softirq_qs+0x20/0x20
[  893.491767]  ? filemap_map_pages+0xd92/0x1a20
[  893.496280]  ? find_get_entries_tag+0x1400/0x1400
[  893.501129]  ? debug_object_destroy+0x2b0/0x2b0
[  893.505803]  ? lock_pi_update_atomic+0x150/0x150
[  893.510576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  893.516137]  ? lock_acquire+0x1ed/0x520
[  893.520114]  ? ext4_filemap_fault+0x7a/0xad
[  893.524449]  ? lock_release+0xa00/0xa00
[  893.528432]  ? perf_trace_sched_process_exec+0x860/0x860
[  893.533885]  ? print_usage_bug+0xc0/0xc0
[  893.537949]  ? print_usage_bug+0xc0/0xc0
[  893.542023]  ? down_read+0x8d/0x120
[  893.545659]  ? ext4_filemap_fault+0x7a/0xad
[  893.549984]  ? __down_interruptible+0x700/0x700
[  893.554682]  ext4_filemap_fault+0x82/0xad
[  893.558833]  __do_fault+0x100/0x6b0
[  893.562487]  ? find_held_lock+0x36/0x1c0
[  893.566552]  ? pmd_devmap_trans_unstable+0x220/0x220
[  893.571659]  ? mark_held_locks+0x130/0x130
[  893.575898]  ? mark_held_locks+0x130/0x130
[  893.580132]  ? _raw_spin_unlock_irq+0x27/0x80
[  893.584642]  ? _raw_spin_unlock_irq+0x27/0x80
[  893.589138]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  893.593779]  ? kasan_check_read+0x11/0x20
[  893.597928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  893.603480]  __handle_mm_fault+0x3ea6/0x5be0
[  893.607897]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  893.612745]  ? finish_task_switch+0x1f4/0x910
[  893.617254]  ? finish_task_switch+0x1b4/0x910
[  893.621749]  ? __switch_to_asm+0x34/0x70
[  893.625814]  ? preempt_notifier_register+0x200/0x200
[  893.630918]  ? __switch_to_asm+0x34/0x70
[  893.634982]  ? __switch_to_asm+0x34/0x70
[  893.639055]  ? zap_class+0x640/0x640
[  893.642769]  ? zap_class+0x640/0x640
[  893.646483]  ? __x64_sys_futex+0x53e/0x6a0
[  893.650727]  ? find_held_lock+0x36/0x1c0
[  893.654799]  ? handle_mm_fault+0x42a/0xc70
[  893.659038]  ? lock_downgrade+0x900/0x900
[  893.663200]  ? check_preemption_disabled+0x48/0x280
[  893.668230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  893.673160]  ? kasan_check_read+0x11/0x20
[  893.677310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  893.682592]  ? rcu_softirq_qs+0x20/0x20
[  893.686604]  ? trace_hardirqs_off_caller+0x310/0x310
[  893.691715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  893.697260]  ? check_preemption_disabled+0x48/0x280
[  893.702288]  handle_mm_fault+0x54f/0xc70
[  893.706353]  ? __handle_mm_fault+0x5be0/0x5be0
[  893.710939]  ? find_vma+0x34/0x190
[  893.714517]  __do_page_fault+0x5e8/0xe60
[  893.718577]  ? trace_hardirqs_off+0xb8/0x310
[  893.723000]  do_page_fault+0xf2/0x7e0
[  893.726801]  ? vmalloc_sync_all+0x30/0x30
[  893.730949]  ? error_entry+0x70/0xd0
[  893.734681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  893.739704]  ? trace_hardirqs_on_caller+0xc0/0x310
[  893.744632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  893.749562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  893.754408]  ? trace_hardirqs_on_caller+0x310/0x310
[  893.759438]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  893.764928]  ? prepare_exit_to_usermode+0x291/0x3b0
[  893.769945]  ? page_fault+0x8/0x30
[  893.773490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  893.778339]  ? page_fault+0x8/0x30
[  893.781887]  page_fault+0x1e/0x30
[  893.785342] RIP: 0033:0x45ddf3
[  893.788561] Code: Bad RIP value.
[  893.791971] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  893.797334] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  893.804601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  893.811915] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  893.819182] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  893.826450] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  893.833746] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  893.833753] warn_alloc_show_mem: 1 callbacks suppressed
[  893.833760] Mem-Info:
[  893.840794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  893.846190] active_anon:53034 inactive_anon:131 isolated_anon:0
[  893.846190]  active_file:14 inactive_file:14 isolated_file:0
[  893.846190]  unevictable:0 dirty:0 writeback:0 unstable:0
[  893.846190]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  893.846190]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  893.846190]  free:13749 free_pcp:564 free_cma:0
[  893.848564] Call Trace:
[  893.857959] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  893.890895]  <IRQ>
[  893.893475] 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
[  893.920885]  dump_stack+0x244/0x39d
[  893.923014] lowmem_reserve[]: 0 2818 6321 6321
[  893.949123]  ? dump_stack_print_info.cold.1+0x20/0x20
[  893.952731] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  893.957320]  warn_alloc.cold.116+0xb7/0x1bd
[  893.962470] lowmem_reserve[]: 0 0 3503 3503
[  893.989979]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  893.994288] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  893.998615]  ? lock_downgrade+0x900/0x900
[  894.003457] lowmem_reserve[]: 0 0 0 0
[  894.032524]  ? trace_hardirqs_off+0xb8/0x310
[  894.036648] 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
[  894.040454]  ? trace_hardirqs_off+0xb8/0x310
[  894.044843] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  894.058373]  __alloc_pages_slowpath+0x26e8/0x2e10
[  894.062756] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  894.077956]  ? warn_alloc+0x120/0x120
[  894.082756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  894.098185]  ? warn_alloc+0x120/0x120
[  894.101972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  894.110801]  ? warn_alloc+0x120/0x120
[  894.114581] 166 total pagecache pages
[  894.123153]  ? print_usage_bug+0xc0/0xc0
[  894.126940] 0 pages in swap cache
[  894.130733]  ? print_usage_bug+0xc0/0xc0
[  894.134775] Swap cache stats: add 0, delete 0, find 0/0
[  894.138228]  ? find_held_lock+0x36/0x1c0
[  894.142278] Free swap  = 0kB
[  894.147641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  894.151678] Total swap = 0kB
[  894.154698]  ? should_fail+0x22d/0xd01
[  894.160210] 1965979 pages RAM
[  894.163226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  894.167092] 0 pages HighMem/MovableOnly
[  894.170193]  ? __lock_acquire+0x62f/0x4c20
[  894.175278] 342858 pages reserved
[  894.179248]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  894.183477] 0 pages cma reserved
[  894.183609] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  894.186941]  ? should_fail+0x22d/0xd01
[  894.192029] syz-fuzzer cpuset=/ mems_allowed=0
[  894.195411]  ? mark_held_locks+0x130/0x130
[  894.218280]  ? mark_held_locks+0x130/0x130
[  894.222527]  ? print_usage_bug+0xc0/0xc0
[  894.226596]  ? find_held_lock+0x36/0x1c0
[  894.230664]  ? zap_class+0x640/0x640
[  894.234390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.239943]  ? check_preemption_disabled+0x48/0x280
[  894.244973]  ? __lock_is_held+0xb5/0x140
[  894.249042]  __alloc_pages_nodemask+0xa80/0xde0
[  894.253719]  ? zap_class+0x640/0x640
[  894.257447]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  894.262506]  ? find_held_lock+0x36/0x1c0
[  894.266593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  894.271268]  ? lock_downgrade+0x900/0x900
[  894.275432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.280988]  cache_grow_begin+0xa5/0x8c0
[  894.285050]  ? do_raw_spin_unlock+0xa7/0x330
[  894.289475]  fallback_alloc+0x204/0x2e0
[  894.293459]  ____cache_alloc_node+0x1c7/0x1e0
[  894.297965]  kmem_cache_alloc_node+0xe3/0x730
[  894.302464]  ? mark_held_locks+0xc7/0x130
[  894.306627]  __alloc_skb+0x119/0x770
[  894.310351]  ? netdev_alloc_frag+0x1f0/0x1f0
[  894.314761]  ? do_raw_spin_trylock+0x270/0x270
[  894.319373]  ? kmem_cache_alloc_trace+0x353/0x750
[  894.324242]  ? queue_work_on+0x12c/0x1e0
[  894.328312]  ? switchdev_port_obj_del+0xdc/0x440
[  894.333074]  ? switchdev_trans_item_enqueue+0x260/0x260
[  894.338447]  ? mod_timer+0x631/0x1560
[  894.342263]  ? wake_up_klogd+0x180/0x180
[  894.346338]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  894.351363]  __br_mdb_notify+0x4ff/0x15d0
[  894.355528]  ? __br_mdb_add+0x7f0/0x7f0
[  894.359515]  ? zap_class+0x640/0x640
[  894.363240]  ? br_multicast_group_expired+0x96/0x610
[  894.368353]  br_mdb_notify+0x310/0x410
[  894.372244]  ? br_mdb_dump+0x27b0/0x27b0
[  894.376314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.381887]  br_multicast_group_expired+0x1bc/0x610
[  894.386924]  ? br_mdb_free+0x80/0x80
[  894.390655]  call_timer_fn+0x272/0x920
[  894.394546]  ? br_mdb_free+0x80/0x80
[  894.398274]  ? process_timeout+0x40/0x40
[  894.402356]  ? __run_timers+0x7da/0xc70
[  894.406428]  ? _raw_spin_unlock_irq+0x27/0x80
[  894.410949]  ? _raw_spin_unlock_irq+0x27/0x80
[  894.415460]  ? br_mdb_free+0x80/0x80
[  894.419176]  ? lockdep_hardirqs_on+0x296/0x5b0
[  894.423763]  ? trace_hardirqs_on+0xbd/0x310
[  894.428087]  ? kasan_check_read+0x11/0x20
[  894.432237]  ? __run_timers+0x7da/0xc70
[  894.436230]  ? trace_hardirqs_off_caller+0x310/0x310
[  894.441346]  ? br_mdb_free+0x80/0x80
[  894.445059]  __run_timers+0x7e5/0xc70
[  894.448874]  ? timer_fixup_init+0x70/0x70
[  894.453050]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  894.458075]  ? zap_class+0x640/0x640
[  894.461830]  ? enqueue_hrtimer+0x1a5/0x560
[  894.466081]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  894.471279]  ? find_held_lock+0x36/0x1c0
[  894.475346]  ? zap_class+0x640/0x640
[  894.479066]  ? pvclock_read_flags+0x160/0x160
[  894.483564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.489107]  ? check_preemption_disabled+0x48/0x280
[  894.494154]  ? __lock_is_held+0xb5/0x140
[  894.498232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.503774]  ? check_preemption_disabled+0x48/0x280
[  894.508801]  run_timer_softirq+0x52/0xb0
[  894.512869]  ? rcu_read_lock_sched_held+0x14f/0x180
[  894.517900]  __do_softirq+0x308/0xb7e
[  894.521726]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  894.526223]  ? lock_downgrade+0x900/0x900
[  894.530395]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  894.535529]  ? pvclock_read_flags+0x160/0x160
[  894.540044]  ? lapic_next_event+0x5a/0x90
[  894.544195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.549750]  ? kvm_clock_read+0x18/0x30
[  894.553724]  ? kvm_sched_clock_read+0x9/0x20
[  894.558139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.563683]  ? check_preemption_disabled+0x48/0x280
[  894.568728]  irq_exit+0x17f/0x1c0
[  894.572206]  smp_apic_timer_interrupt+0x1cb/0x760
[  894.577076]  ? smp_reschedule_interrupt+0x109/0x650
[  894.582102]  ? smp_call_function_single_interrupt+0x650/0x650
[  894.587990]  ? interrupt_entry+0xb5/0xc0
[  894.592056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  894.597105]  ? trace_hardirqs_off_caller+0xbb/0x310
[  894.602125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  894.606970]  ? trace_hardirqs_on_caller+0x310/0x310
[  894.611990]  ? trace_hardirqs_on_caller+0x310/0x310
[  894.617004]  ? task_prio+0x50/0x50
[  894.620563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.626109]  ? check_preemption_disabled+0x48/0x280
[  894.631160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  894.636014]  apic_timer_interrupt+0xf/0x20
[  894.640247]  </IRQ>
[  894.642490] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  894.648378] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  894.667289] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  894.674997] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  894.682300] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  894.689581] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  894.696882] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  894.704150] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  894.711479]  ? save_stack+0xa9/0xd0
[  894.715217]  __kmalloc_node_track_caller+0x3c/0x70
[  894.720168]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  894.725091]  pskb_expand_head+0x230/0x10f0
[  894.729341]  ? check_preemption_disabled+0x48/0x280
[  894.734360]  ? memcpy+0x45/0x50
[  894.737670]  ? __copy_skb_header+0x350/0x6b0
[  894.742082]  ? skb_release_data+0x880/0x880
[  894.746404]  ? __alloc_skb+0x770/0x770
[  894.750304]  ? __lock_is_held+0xb5/0x140
[  894.754389]  ? kasan_check_write+0x14/0x20
[  894.758625]  ? __skb_clone+0x6c7/0xa00
[  894.762515]  ? __copy_skb_header+0x6b0/0x6b0
[  894.766932]  ? kmem_cache_alloc+0x33a/0x730
[  894.771256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.776812]  skb_ensure_writable+0x3dd/0x640
[  894.781229]  ? skb_checksum_setup+0xaa0/0xaa0
[  894.785730]  ? preempt_notifier_register+0x200/0x200
[  894.790838]  ? __switch_to_asm+0x34/0x70
[  894.794932]  ? __switch_to_asm+0x34/0x70
[  894.799006]  ? __switch_to_asm+0x40/0x70
[  894.803064]  ? __switch_to_asm+0x34/0x70
[  894.807123]  ? __switch_to_asm+0x40/0x70
[  894.811198]  ? __switch_to_asm+0x40/0x70
[  894.815259]  ? __switch_to_asm+0x34/0x70
[  894.819324]  ? __switch_to_asm+0x34/0x70
[  894.823384]  ? __switch_to_asm+0x40/0x70
[  894.827472]  ? __switch_to_asm+0x34/0x70
[  894.832076]  bpf_clone_redirect+0x14a/0x490
[  894.836419]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  894.841459]  ? __sched_text_start+0x8/0x8
[  894.845611]  ? retint_kernel+0x2d/0x2d
[  894.849523]  ? find_held_lock+0x36/0x1c0
[  894.853594]  ? lock_acquire+0x1ed/0x520
[  894.857573]  ? bpf_test_run+0x3cb/0x780
[  894.861564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  894.867116]  ? check_preemption_disabled+0x48/0x280
[  894.872152]  ? kasan_check_read+0x11/0x20
[  894.876306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  894.881606]  ? rcu_softirq_qs+0x20/0x20
[  894.885595]  ? preempt_schedule+0x4d/0x60
[  894.889746]  ? ___preempt_schedule+0x16/0x18
[  894.894224]  ? bpf_test_run+0x25d/0x780
[  894.898215]  ? netlink_diag_dump+0x2a0/0x2a0
[  894.902633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  894.908171]  ? bpf_test_init.isra.10+0x70/0x100
[  894.912852]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  894.917622]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  894.922467]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  894.928017]  ? fput+0x130/0x1a0
[  894.931301]  ? __bpf_prog_get+0x9b/0x290
[  894.935384]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  894.940241]  ? bpf_prog_test_run+0x130/0x1a0
[  894.944665]  ? __x64_sys_bpf+0x3d8/0x520
[  894.948734]  ? bpf_prog_get+0x20/0x20
[  894.952557]  ? do_syscall_64+0x1b9/0x820
[  894.956622]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  894.962005]  ? syscall_return_slowpath+0x5e0/0x5e0
[  894.966957]  ? trace_hardirqs_on_caller+0x310/0x310
[  894.971974]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  894.977004]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  894.983673]  ? __switch_to_asm+0x40/0x70
[  894.987741]  ? __switch_to_asm+0x34/0x70
[  894.991819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  894.996675]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  895.002061] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  895.002239] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  895.008734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  895.008743] Call Trace:
[  895.019231] syz-executor0 cpuset=syz0 mems_allowed=0
[  895.028578]  <IRQ>
[  895.038407]  dump_stack+0x244/0x39d
[  895.042051]  ? dump_stack_print_info.cold.1+0x20/0x20
[  895.047260]  warn_alloc.cold.116+0xb7/0x1bd
[  895.051589]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  895.056446]  ? lock_downgrade+0x900/0x900
[  895.060605]  ? trace_hardirqs_off+0xb8/0x310
[  895.065023]  ? trace_hardirqs_off+0xb8/0x310
[  895.069450]  __alloc_pages_slowpath+0x26e8/0x2e10
[  895.074328]  ? warn_alloc+0x120/0x120
[  895.078138]  ? warn_alloc+0x120/0x120
[  895.081946]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  895.086968]  ? warn_alloc+0x120/0x120
[  895.090772]  ? print_usage_bug+0xc0/0xc0
[  895.094841]  ? print_usage_bug+0xc0/0xc0
[  895.098905]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  895.104122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  895.109662]  ? should_fail+0x22d/0xd01
[  895.113566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  895.118675]  ? __lock_acquire+0x62f/0x4c20
[  895.122916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  895.128024]  ? should_fail+0x22d/0xd01
[  895.131969]  ? mark_held_locks+0x130/0x130
[  895.136225]  ? mark_held_locks+0x130/0x130
[  895.140460]  ? kvm_clock_read+0x18/0x30
[  895.144454]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  895.149484]  ? ktime_get+0x2c1/0x400
[  895.153204]  ? zap_class+0x640/0x640
[  895.156925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.162468]  ? check_preemption_disabled+0x48/0x280
[  895.167507]  ? __lock_is_held+0xb5/0x140
[  895.171580]  __alloc_pages_nodemask+0xa80/0xde0
[  895.176254]  ? zap_class+0x640/0x640
[  895.179999]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  895.185035]  ? find_held_lock+0x36/0x1c0
[  895.189113]  ? ____cache_alloc_node+0x1c7/0x1e0
[  895.193788]  ? lock_downgrade+0x900/0x900
[  895.197954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.203502]  cache_grow_begin+0xa5/0x8c0
[  895.207572]  ? do_raw_spin_unlock+0xa7/0x330
[  895.211997]  fallback_alloc+0x204/0x2e0
[  895.215981]  ____cache_alloc_node+0x1c7/0x1e0
[  895.220498]  kmem_cache_alloc_node+0xe3/0x730
[  895.225006]  __alloc_skb+0x119/0x770
[  895.228728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  895.233151]  ? mark_held_locks+0x130/0x130
[  895.237394]  ? __lock_acquire+0x62f/0x4c20
[  895.241640]  ? trace_hardirqs_off_caller+0x310/0x310
[  895.246750]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  895.251781]  __br_mdb_notify+0x4ff/0x15d0
[  895.255941]  ? __br_mdb_add+0x7f0/0x7f0
[  895.259931]  ? zap_class+0x640/0x640
[  895.263660]  ? lock_acquire+0x1ed/0x520
[  895.267635]  ? br_multicast_group_expired+0x96/0x610
[  895.272744]  ? lock_downgrade+0x900/0x900
[  895.276911]  br_mdb_notify+0x310/0x410
[  895.280802]  ? br_mdb_dump+0x27b0/0x27b0
[  895.284868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.290422]  br_multicast_group_expired+0x1bc/0x610
[  895.295455]  ? br_mdb_free+0x80/0x80
[  895.299180]  call_timer_fn+0x272/0x920
[  895.303087]  ? br_mdb_free+0x80/0x80
[  895.306805]  ? process_timeout+0x40/0x40
[  895.310876]  ? mark_held_locks+0xc7/0x130
[  895.315057]  ? _raw_spin_unlock_irq+0x27/0x80
[  895.319567]  ? _raw_spin_unlock_irq+0x27/0x80
[  895.324062]  ? br_mdb_free+0x80/0x80
[  895.327783]  ? lockdep_hardirqs_on+0x296/0x5b0
[  895.332370]  ? trace_hardirqs_on+0xbd/0x310
[  895.336693]  ? kasan_check_read+0x11/0x20
[  895.340850]  ? __run_timers+0x7da/0xc70
[  895.344823]  ? trace_hardirqs_off_caller+0x310/0x310
[  895.349933]  ? br_mdb_free+0x80/0x80
[  895.353657]  ? br_mdb_free+0x80/0x80
[  895.357377]  __run_timers+0x7e5/0xc70
[  895.361203]  ? timer_fixup_init+0x70/0x70
[  895.365356]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  895.370381]  ? zap_class+0x640/0x640
[  895.374098]  ? print_usage_bug+0xc0/0xc0
[  895.378167]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  895.383376]  ? find_held_lock+0x36/0x1c0
[  895.387461]  ? zap_class+0x640/0x640
[  895.391182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.396722]  ? check_preemption_disabled+0x48/0x280
[  895.401770]  ? __lock_is_held+0xb5/0x140
[  895.405837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.411380]  ? check_preemption_disabled+0x48/0x280
[  895.416400]  run_timer_softirq+0x52/0xb0
[  895.420478]  ? rcu_read_lock_sched_held+0x14f/0x180
[  895.425497]  __do_softirq+0x308/0xb7e
[  895.429308]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  895.433798]  ? lock_downgrade+0x900/0x900
[  895.437951]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  895.443064]  ? pvclock_read_flags+0x160/0x160
[  895.447561]  ? lapic_next_event+0x5a/0x90
[  895.451713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.457279]  ? kvm_clock_read+0x18/0x30
[  895.461284]  ? kvm_sched_clock_read+0x9/0x20
[  895.465699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  895.471268]  ? check_preemption_disabled+0x48/0x280
[  895.476300]  irq_exit+0x17f/0x1c0
[  895.479755]  smp_apic_timer_interrupt+0x1cb/0x760
[  895.484601]  ? smp_reschedule_interrupt+0x109/0x650
[  895.489620]  ? smp_call_function_single_interrupt+0x650/0x650
[  895.495518]  ? interrupt_entry+0xb5/0xc0
[  895.499613]  ? trace_hardirqs_off_caller+0xbb/0x310
[  895.504653]  ? trace_hardirqs_off_caller+0xbb/0x310
[  895.509675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  895.514518]  ? trace_hardirqs_on_caller+0x310/0x310
[  895.519535]  ? trace_hardirqs_on_caller+0x310/0x310
[  895.524551]  ? task_prio+0x50/0x50
[  895.528093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.533635]  ? check_preemption_disabled+0x48/0x280
[  895.538658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  895.543513]  apic_timer_interrupt+0xf/0x20
[  895.547778]  </IRQ>
[  895.550026] RIP: 0010:dump_stack+0x358/0x39d
[  895.554457] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  895.573359] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  895.581083] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  895.588354] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  895.595629] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  895.602897] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  895.610166] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  895.617456]  ? dump_stack+0x34f/0x39d
[  895.621270]  ? dump_stack_print_info.cold.1+0x20/0x20
[  895.626461]  ? mark_held_locks+0x130/0x130
[  895.630697]  ? mark_held_locks+0x130/0x130
[  895.634952]  dump_header+0x27b/0xf72
[  895.638679]  ? pagefault_out_of_memory+0x197/0x197
[  895.643613]  ? __lock_acquire+0x62f/0x4c20
[  895.647846]  ? percpu_ref_get_many+0x240/0x240
[  895.652441]  ? print_usage_bug+0xc0/0xc0
[  895.656534]  ? zap_class+0x640/0x640
[  895.660262]  ? print_usage_bug+0xc0/0xc0
[  895.664322]  ? print_usage_bug+0xc0/0xc0
[  895.668384]  ? zap_class+0x640/0x640
[  895.672114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.677669]  ? find_held_lock+0x36/0x1c0
[  895.681753]  ? mark_held_locks+0xc7/0x130
[  895.685905]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  895.691008]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  895.696112]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  895.700703]  ? trace_hardirqs_on+0xbd/0x310
[  895.705033]  ? kasan_check_read+0x11/0x20
[  895.709194]  ? ___ratelimit+0x3b4/0x672
[  895.713170]  ? trace_hardirqs_off_caller+0x310/0x310
[  895.718278]  ? trace_hardirqs_on+0x310/0x310
[  895.722694]  ? lock_downgrade+0x900/0x900
[  895.726881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  895.731987]  ? ___ratelimit+0x3b9/0x672
[  895.735965]  ? idr_get_free+0xf80/0xf80
[  895.739939]  ? find_held_lock+0x36/0x1c0
[  895.744013]  oom_kill_process.cold.27+0x10/0x903
[  895.748771]  ? zap_class+0x640/0x640
[  895.752485]  ? check_preemption_disabled+0x48/0x280
[  895.757505]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  895.762441]  ? kasan_check_read+0x11/0x20
[  895.766616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  895.771899]  ? oom_evaluate_task+0x540/0x540
[  895.776312]  ? find_held_lock+0x36/0x1c0
[  895.780382]  ? out_of_memory+0x974/0x1430
[  895.784532]  ? lock_downgrade+0x900/0x900
[  895.788678]  ? check_preemption_disabled+0x48/0x280
[  895.793697]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  895.798624]  ? kasan_check_read+0x11/0x20
[  895.802777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  895.808055]  ? rcu_softirq_qs+0x20/0x20
[  895.812037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  895.817573]  ? oom_evaluate_task+0x302/0x540
[  895.821997]  out_of_memory+0xa84/0x1430
[  895.825983]  ? oom_killer_disable+0x3a0/0x3a0
[  895.830483]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  895.835446]  ? __ww_mutex_check_waiters+0x160/0x160
[  895.840492]  __alloc_pages_slowpath+0x2354/0x2e10
[  895.845367]  ? warn_alloc+0x120/0x120
[  895.849169]  ? mark_held_locks+0x130/0x130
[  895.853411]  ? find_get_entry+0xaae/0x1120
[  895.857670]  ? filemap_map_pages+0x1a20/0x1a20
[  895.862261]  ? zap_class+0x640/0x640
[  895.865985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  895.871537]  ? check_preemption_disabled+0x48/0x280
[  895.876567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  895.882105]  ? should_fail+0x22d/0xd01
[  895.886004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  895.891114]  ? zap_class+0x640/0x640
[  895.894857]  ? __lock_is_held+0xb5/0x140
[  895.898943]  ? mark_held_locks+0x130/0x130
[  895.903229]  ? lock_release+0xa00/0xa00
[  895.907206]  ? perf_trace_sched_process_exec+0x860/0x860
[  895.912655]  ? xa_load+0x2ba/0x460
[  895.916197]  ? lock_downgrade+0x900/0x900
[  895.920355]  ? __might_sleep+0x95/0x190
[  895.924339]  __alloc_pages_nodemask+0xa80/0xde0
[  895.929017]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  895.934036]  ? __page_cache_alloc+0x191/0x5c0
[  895.938531]  ? xa_load+0x2e1/0x460
[  895.942075]  ? xa_clear_mark+0x40/0x40
[  895.945993]  ? zap_class+0x640/0x640
[  895.949719]  ? zap_class+0x640/0x640
[  895.953448]  ? zap_class+0x640/0x640
[  895.957169]  ? __do_page_cache_readahead+0x663/0x810
[  895.962282]  ? find_held_lock+0x36/0x1c0
[  895.966368]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  895.971914]  alloc_pages_current+0x173/0x350
[  895.976330]  __page_cache_alloc+0x38c/0x5c0
[  895.980649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  895.985602]  ? kasan_check_read+0x11/0x20
[  895.989765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  895.995048]  ? generic_perform_write+0x6a0/0x6a0
[  895.999809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  896.005351]  ? check_preemption_disabled+0x48/0x280
[  896.010378]  filemap_fault+0x1595/0x25f0
[  896.014461]  ? __lock_page_or_retry+0xa00/0xa00
[  896.019135]  ? mark_held_locks+0x130/0x130
[  896.023386]  ? filemap_map_pages+0xd6b/0x1a20
[  896.027888]  ? lock_downgrade+0x900/0x900
[  896.032036]  ? check_preemption_disabled+0x48/0x280
[  896.037058]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  896.041991]  ? kasan_check_read+0x11/0x20
[  896.046140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  896.051434]  ? rcu_softirq_qs+0x20/0x20
[  896.055455]  ? filemap_map_pages+0xd92/0x1a20
[  896.059973]  ? find_get_entries_tag+0x1400/0x1400
[  896.064822]  ? debug_object_destroy+0x2b0/0x2b0
[  896.069501]  ? lock_pi_update_atomic+0x150/0x150
[  896.074269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  896.079825]  ? lock_acquire+0x1ed/0x520
[  896.083815]  ? ext4_filemap_fault+0x7a/0xad
[  896.088148]  ? lock_release+0xa00/0xa00
[  896.092122]  ? perf_trace_sched_process_exec+0x860/0x860
[  896.097595]  ? print_usage_bug+0xc0/0xc0
[  896.101663]  ? print_usage_bug+0xc0/0xc0
[  896.105737]  ? down_read+0x8d/0x120
[  896.109368]  ? ext4_filemap_fault+0x7a/0xad
[  896.113690]  ? __down_interruptible+0x700/0x700
[  896.118401]  ext4_filemap_fault+0x82/0xad
[  896.122569]  __do_fault+0x100/0x6b0
[  896.126211]  ? find_held_lock+0x36/0x1c0
[  896.130279]  ? pmd_devmap_trans_unstable+0x220/0x220
[  896.135387]  ? mark_held_locks+0x130/0x130
[  896.139636]  ? mark_held_locks+0x130/0x130
[  896.143873]  ? _raw_spin_unlock_irq+0x27/0x80
[  896.148369]  ? _raw_spin_unlock_irq+0x27/0x80
[  896.152887]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  896.157490]  ? kasan_check_read+0x11/0x20
[  896.161643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  896.167192]  __handle_mm_fault+0x3ea6/0x5be0
[  896.171627]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  896.176486]  ? finish_task_switch+0x1f4/0x910
[  896.180981]  ? finish_task_switch+0x1b4/0x910
[  896.185484]  ? __switch_to_asm+0x34/0x70
[  896.189555]  ? preempt_notifier_register+0x200/0x200
[  896.194659]  ? __switch_to_asm+0x34/0x70
[  896.198726]  ? __switch_to_asm+0x34/0x70
[  896.202804]  ? zap_class+0x640/0x640
[  896.206523]  ? zap_class+0x640/0x640
[  896.210238]  ? __x64_sys_futex+0x53e/0x6a0
[  896.214507]  ? find_held_lock+0x36/0x1c0
[  896.218583]  ? handle_mm_fault+0x42a/0xc70
[  896.222840]  ? lock_downgrade+0x900/0x900
[  896.227024]  ? check_preemption_disabled+0x48/0x280
[  896.232045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  896.236973]  ? kasan_check_read+0x11/0x20
[  896.241125]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  896.246423]  ? rcu_softirq_qs+0x20/0x20
[  896.250412]  ? trace_hardirqs_off_caller+0x310/0x310
[  896.255572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  896.261110]  ? check_preemption_disabled+0x48/0x280
[  896.266147]  handle_mm_fault+0x54f/0xc70
[  896.270222]  ? __handle_mm_fault+0x5be0/0x5be0
[  896.274814]  ? find_vma+0x34/0x190
[  896.278363]  __do_page_fault+0x5e8/0xe60
[  896.282439]  ? trace_hardirqs_off+0xb8/0x310
[  896.286860]  do_page_fault+0xf2/0x7e0
[  896.290664]  ? vmalloc_sync_all+0x30/0x30
[  896.294822]  ? error_entry+0x70/0xd0
[  896.298541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  896.303571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  896.308515]  ? syscall_return_slowpath+0x5e0/0x5e0
[  896.313455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  896.318302]  ? trace_hardirqs_on_caller+0x310/0x310
[  896.323324]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  896.328782]  ? prepare_exit_to_usermode+0x291/0x3b0
[  896.333800]  ? page_fault+0x8/0x30
[  896.337350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  896.342201]  ? page_fault+0x8/0x30
[  896.345746]  page_fault+0x1e/0x30
[  896.349201] RIP: 0033:0x45ddf3
[  896.352438] Code: Bad RIP value.
[  896.355817] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  896.361179] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  896.368451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  896.375730] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  896.383000] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  896.390265] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  896.397573] warn_alloc_show_mem: 1 callbacks suppressed
[  896.397585] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  896.397587] Mem-Info:
[  896.397620] active_anon:53034 inactive_anon:131 isolated_anon:0
[  896.397620]  active_file:14 inactive_file:14 isolated_file:0
[  896.397620]  unevictable:0 dirty:0 writeback:0 unstable:0
[  896.397620]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  896.397620]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  896.397620]  free:13749 free_pcp:564 free_cma:0
[  896.402959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  896.402968] Call Trace:
[  896.410005] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  896.412433]  <IRQ>
[  896.445387] 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
[  896.454762]  dump_stack+0x244/0x39d
[  896.457352] lowmem_reserve[]: 0 2818 6321 6321
[  896.484790]  ? dump_stack_print_info.cold.1+0x20/0x20
[  896.486925] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  896.513046]  warn_alloc.cold.116+0xb7/0x1bd
[  896.516638] lowmem_reserve[]: 0 0 3503 3503
[  896.521229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  896.526397] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  896.553902]  ? lock_downgrade+0x900/0x900
[  896.558201] lowmem_reserve[]: 0 0 0 0
[  896.562537]  ? trace_hardirqs_off+0xb8/0x310
[  896.567362] 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
[  896.596439]  ? trace_hardirqs_off+0xb8/0x310
[  896.600566] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  896.604371]  __alloc_pages_slowpath+0x26e8/0x2e10
[  896.608754] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  896.622298]  ? warn_alloc+0x120/0x120
[  896.626667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  896.641840]  ? warn_alloc+0x120/0x120
[  896.646668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  896.662094]  ? warn_alloc+0x120/0x120
[  896.665879] 166 total pagecache pages
[  896.674716]  ? print_usage_bug+0xc0/0xc0
[  896.678544] 0 pages in swap cache
[  896.687123]  ? mark_held_locks+0x130/0x130
[  896.690909] Swap cache stats: add 0, delete 0, find 0/0
[  896.694710]  ? kvm_clock_read+0x18/0x30
[  896.698749] Free swap  = 0kB
[  896.702209]  ? print_usage_bug+0xc0/0xc0
[  896.706437] Total swap = 0kB
[  896.711820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  896.715771] 1965979 pages RAM
[  896.718800]  ? should_fail+0x22d/0xd01
[  896.723347] 0 pages HighMem/MovableOnly
[  896.723357] 342858 pages reserved
[  896.726382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  896.731904] 0 pages cma reserved
[  896.735013]  ? __lock_acquire+0x62f/0x4c20
[  896.739006] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  896.742850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  896.746298] syz-fuzzer cpuset=/ mems_allowed=0
[  896.751420]  ? __lock_acquire+0x62f/0x4c20
[  896.751446]  ? should_fail+0x22d/0xd01
[  896.787019]  ? mark_held_locks+0x130/0x130
[  896.791277]  ? mark_held_locks+0x130/0x130
[  896.795526]  ? zap_class+0x640/0x640
[  896.799242]  ? print_usage_bug+0xc0/0xc0
[  896.803304]  ? find_held_lock+0x36/0x1c0
[  896.807369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  896.812911]  ? check_preemption_disabled+0x48/0x280
[  896.817960]  ? __lock_is_held+0xb5/0x140
[  896.822033]  __alloc_pages_nodemask+0xa80/0xde0
[  896.826703]  ? zap_class+0x640/0x640
[  896.830948]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  896.835985]  ? find_held_lock+0x36/0x1c0
[  896.840059]  ? ____cache_alloc_node+0x1c7/0x1e0
[  896.844784]  ? lock_downgrade+0x900/0x900
[  896.848944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  896.854502]  cache_grow_begin+0xa5/0x8c0
[  896.858571]  ? do_raw_spin_unlock+0xa7/0x330
[  896.862994]  fallback_alloc+0x204/0x2e0
[  896.866980]  ____cache_alloc_node+0x1c7/0x1e0
[  896.871484]  kmem_cache_alloc_node+0xe3/0x730
[  896.876015]  ? ipv6_get_ifaddr+0x42e/0x620
[  896.880308]  __alloc_skb+0x119/0x770
[  896.884061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  896.889351]  ? netdev_alloc_frag+0x1f0/0x1f0
[  896.893765]  ? lock_downgrade+0x900/0x900
[  896.897931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  896.903486]  ? refcount_sub_and_test_checked+0x203/0x310
[  896.908979]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  896.914437]  ? addrconf_rs_timer+0x690/0x690
[  896.918860]  ndisc_alloc_skb+0x144/0x340
[  896.922933]  ndisc_send_rs+0x331/0x6e0
[  896.926832]  addrconf_rs_timer+0x314/0x690
[  896.931097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  896.935347]  call_timer_fn+0x272/0x920
[  896.939236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  896.943478]  ? process_timeout+0x40/0x40
[  896.947551]  ? __run_timers+0x7da/0xc70
[  896.951531]  ? _raw_spin_unlock_irq+0x27/0x80
[  896.956038]  ? _raw_spin_unlock_irq+0x27/0x80
[  896.960534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  896.964776]  ? lockdep_hardirqs_on+0x296/0x5b0
[  896.969374]  ? trace_hardirqs_on+0xbd/0x310
[  896.973702]  ? kasan_check_read+0x11/0x20
[  896.977852]  ? __run_timers+0x7da/0xc70
[  896.981828]  ? trace_hardirqs_off_caller+0x310/0x310
[  896.986949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  896.991195]  __run_timers+0x7e5/0xc70
[  896.995019]  ? timer_fixup_init+0x70/0x70
[  896.999171]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  897.004193]  ? zap_class+0x640/0x640
[  897.007912]  ? enqueue_hrtimer+0x1a5/0x560
[  897.012159]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  897.017358]  ? find_held_lock+0x36/0x1c0
[  897.021434]  ? zap_class+0x640/0x640
[  897.025157]  ? pvclock_read_flags+0x160/0x160
[  897.029661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.035205]  ? check_preemption_disabled+0x48/0x280
[  897.040237]  ? __lock_is_held+0xb5/0x140
[  897.044330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.049873]  ? check_preemption_disabled+0x48/0x280
[  897.054896]  run_timer_softirq+0x52/0xb0
[  897.058965]  ? rcu_read_lock_sched_held+0x14f/0x180
[  897.063987]  __do_softirq+0x308/0xb7e
[  897.067795]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  897.072323]  ? lock_downgrade+0x900/0x900
[  897.076478]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  897.081591]  ? pvclock_read_flags+0x160/0x160
[  897.086092]  ? lapic_next_event+0x5a/0x90
[  897.090256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.095803]  ? kvm_clock_read+0x18/0x30
[  897.099781]  ? kvm_sched_clock_read+0x9/0x20
[  897.104194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.109737]  ? check_preemption_disabled+0x48/0x280
[  897.114766]  irq_exit+0x17f/0x1c0
[  897.118225]  smp_apic_timer_interrupt+0x1cb/0x760
[  897.123069]  ? smp_reschedule_interrupt+0x109/0x650
[  897.128090]  ? smp_call_function_single_interrupt+0x650/0x650
[  897.133992]  ? interrupt_entry+0xb5/0xc0
[  897.138094]  ? trace_hardirqs_off_caller+0xbb/0x310
[  897.143111]  ? trace_hardirqs_off_caller+0xbb/0x310
[  897.148168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  897.153011]  ? trace_hardirqs_on_caller+0x310/0x310
[  897.158038]  ? trace_hardirqs_on_caller+0x310/0x310
[  897.163070]  ? task_prio+0x50/0x50
[  897.166616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.172156]  ? check_preemption_disabled+0x48/0x280
[  897.177178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  897.182043]  apic_timer_interrupt+0xf/0x20
[  897.186296]  </IRQ>
[  897.188542] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  897.194442] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  897.213357] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  897.221065] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  897.228334] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  897.235603] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  897.242871] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  897.250175] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  897.257473]  ? save_stack+0xa9/0xd0
[  897.261116]  __kmalloc_node_track_caller+0x3c/0x70
[  897.266053]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  897.270815]  pskb_expand_head+0x230/0x10f0
[  897.275051]  ? check_preemption_disabled+0x48/0x280
[  897.280075]  ? memcpy+0x45/0x50
[  897.283355]  ? __copy_skb_header+0x350/0x6b0
[  897.287768]  ? skb_release_data+0x880/0x880
[  897.292089]  ? __alloc_skb+0x770/0x770
[  897.295986]  ? __lock_is_held+0xb5/0x140
[  897.300074]  ? kasan_check_write+0x14/0x20
[  897.304312]  ? __skb_clone+0x6c7/0xa00
[  897.308204]  ? __copy_skb_header+0x6b0/0x6b0
[  897.312614]  ? kmem_cache_alloc+0x33a/0x730
[  897.316943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.322491]  skb_ensure_writable+0x3dd/0x640
[  897.326903]  ? skb_checksum_setup+0xaa0/0xaa0
[  897.331442]  ? preempt_notifier_register+0x200/0x200
[  897.336555]  ? __switch_to_asm+0x34/0x70
[  897.340622]  ? __switch_to_asm+0x34/0x70
[  897.344729]  ? __switch_to_asm+0x40/0x70
[  897.348816]  ? __switch_to_asm+0x34/0x70
[  897.352874]  ? __switch_to_asm+0x40/0x70
[  897.356942]  ? __switch_to_asm+0x40/0x70
[  897.361010]  ? __switch_to_asm+0x34/0x70
[  897.365069]  ? __switch_to_asm+0x34/0x70
[  897.369132]  ? __switch_to_asm+0x40/0x70
[  897.373188]  ? __switch_to_asm+0x34/0x70
[  897.377258]  bpf_clone_redirect+0x14a/0x490
[  897.381593]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  897.386615]  ? __sched_text_start+0x8/0x8
[  897.390765]  ? retint_kernel+0x2d/0x2d
[  897.394664]  ? find_held_lock+0x36/0x1c0
[  897.398738]  ? lock_acquire+0x1ed/0x520
[  897.402712]  ? bpf_test_run+0x3cb/0x780
[  897.406683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.412220]  ? check_preemption_disabled+0x48/0x280
[  897.417242]  ? kasan_check_read+0x11/0x20
[  897.421390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  897.426687]  ? rcu_softirq_qs+0x20/0x20
[  897.430668]  ? preempt_schedule+0x4d/0x60
[  897.434817]  ? ___preempt_schedule+0x16/0x18
[  897.439232]  ? bpf_test_run+0x25d/0x780
[  897.443221]  ? netlink_diag_dump+0x2a0/0x2a0
[  897.447632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  897.453166]  ? bpf_test_init.isra.10+0x70/0x100
[  897.457842]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  897.462609]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  897.467455]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  897.472996]  ? fput+0x130/0x1a0
[  897.476278]  ? __bpf_prog_get+0x9b/0x290
[  897.480359]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  897.485200]  ? bpf_prog_test_run+0x130/0x1a0
[  897.489613]  ? __x64_sys_bpf+0x3d8/0x520
[  897.493676]  ? bpf_prog_get+0x20/0x20
[  897.497502]  ? do_syscall_64+0x1b9/0x820
[  897.501565]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  897.506943]  ? syscall_return_slowpath+0x5e0/0x5e0
[  897.511883]  ? trace_hardirqs_on_caller+0x310/0x310
[  897.516910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  897.521940]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  897.528609]  ? __switch_to_asm+0x40/0x70
[  897.532670]  ? __switch_to_asm+0x34/0x70
[  897.536752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  897.541604]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  897.546985] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  897.547059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  897.553673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  897.553678] Call Trace:
[  897.553685]  <IRQ>
[  897.553701]  dump_stack+0x244/0x39d
[  897.553722]  ? dump_stack_print_info.cold.1+0x20/0x20
[  897.560315] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  897.569583]  warn_alloc.cold.116+0xb7/0x1bd
[  897.572137] syz-executor0 cpuset=syz0 mems_allowed=0
[  897.574284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  897.607779]  ? lock_downgrade+0x900/0x900
[  897.611934]  ? trace_hardirqs_off+0xb8/0x310
[  897.616356]  ? trace_hardirqs_off+0xb8/0x310
[  897.620786]  __alloc_pages_slowpath+0x26e8/0x2e10
[  897.625687]  ? warn_alloc+0x120/0x120
[  897.629520]  ? warn_alloc+0x120/0x120
[  897.633343]  ? warn_alloc+0x120/0x120
[  897.637149]  ? print_usage_bug+0xc0/0xc0
[  897.641230]  ? mark_held_locks+0x130/0x130
[  897.645465]  ? kvm_clock_read+0x18/0x30
[  897.649444]  ? print_usage_bug+0xc0/0xc0
[  897.653523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  897.659076]  ? should_fail+0x22d/0xd01
[  897.662983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  897.668088]  ? __lock_acquire+0x62f/0x4c20
[  897.672329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  897.677440]  ? __lock_acquire+0x62f/0x4c20
[  897.681673]  ? should_fail+0x22d/0xd01
[  897.685633]  ? mark_held_locks+0x130/0x130
[  897.689881]  ? mark_held_locks+0x130/0x130
[  897.694149]  ? zap_class+0x640/0x640
[  897.697874]  ? print_usage_bug+0xc0/0xc0
[  897.701955]  ? find_held_lock+0x36/0x1c0
[  897.706019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.711562]  ? check_preemption_disabled+0x48/0x280
[  897.716603]  ? __lock_is_held+0xb5/0x140
[  897.720678]  __alloc_pages_nodemask+0xa80/0xde0
[  897.725351]  ? zap_class+0x640/0x640
[  897.729071]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  897.734104]  ? find_held_lock+0x36/0x1c0
[  897.738179]  ? ____cache_alloc_node+0x1c7/0x1e0
[  897.742851]  ? lock_downgrade+0x900/0x900
[  897.747008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.752557]  cache_grow_begin+0xa5/0x8c0
[  897.756626]  ? do_raw_spin_unlock+0xa7/0x330
[  897.761045]  fallback_alloc+0x204/0x2e0
[  897.765028]  ____cache_alloc_node+0x1c7/0x1e0
[  897.769530]  kmem_cache_alloc_node+0xe3/0x730
[  897.774030]  ? ipv6_get_ifaddr+0x42e/0x620
[  897.778298]  __alloc_skb+0x119/0x770
[  897.782011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  897.787312]  ? netdev_alloc_frag+0x1f0/0x1f0
[  897.791725]  ? lock_downgrade+0x900/0x900
[  897.795882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.801440]  ? refcount_sub_and_test_checked+0x203/0x310
[  897.806902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  897.812357]  ? addrconf_rs_timer+0x690/0x690
[  897.816777]  ndisc_alloc_skb+0x144/0x340
[  897.820845]  ndisc_send_rs+0x331/0x6e0
[  897.824753]  addrconf_rs_timer+0x314/0x690
[  897.828996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  897.833257]  call_timer_fn+0x272/0x920
[  897.837147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  897.841382]  ? process_timeout+0x40/0x40
[  897.845483]  ? mark_held_locks+0xc7/0x130
[  897.849653]  ? _raw_spin_unlock_irq+0x27/0x80
[  897.854161]  ? _raw_spin_unlock_irq+0x27/0x80
[  897.858657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  897.862894]  ? lockdep_hardirqs_on+0x296/0x5b0
[  897.867483]  ? trace_hardirqs_on+0xbd/0x310
[  897.871803]  ? kasan_check_read+0x11/0x20
[  897.875951]  ? __run_timers+0x7da/0xc70
[  897.879926]  ? trace_hardirqs_off_caller+0x310/0x310
[  897.885038]  ? br_mdb_free+0x80/0x80
[  897.888761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  897.893014]  __run_timers+0x7e5/0xc70
[  897.896852]  ? timer_fixup_init+0x70/0x70
[  897.901001]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  897.906018]  ? zap_class+0x640/0x640
[  897.909755]  ? print_usage_bug+0xc0/0xc0
[  897.913823]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  897.919031]  ? find_held_lock+0x36/0x1c0
[  897.923097]  ? zap_class+0x640/0x640
[  897.926820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.932391]  ? check_preemption_disabled+0x48/0x280
[  897.937430]  ? __lock_is_held+0xb5/0x140
[  897.941497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.947038]  ? check_preemption_disabled+0x48/0x280
[  897.952064]  run_timer_softirq+0x52/0xb0
[  897.956128]  ? rcu_read_lock_sched_held+0x14f/0x180
[  897.961152]  __do_softirq+0x308/0xb7e
[  897.964988]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  897.969498]  ? lock_downgrade+0x900/0x900
[  897.973687]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  897.978816]  ? pvclock_read_flags+0x160/0x160
[  897.983332]  ? lapic_next_event+0x5a/0x90
[  897.987484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  897.993028]  ? kvm_clock_read+0x18/0x30
[  897.997019]  ? kvm_sched_clock_read+0x9/0x20
[  898.001460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  898.007011]  ? check_preemption_disabled+0x48/0x280
[  898.012039]  irq_exit+0x17f/0x1c0
[  898.015500]  smp_apic_timer_interrupt+0x1cb/0x760
[  898.020345]  ? smp_reschedule_interrupt+0x109/0x650
[  898.025391]  ? smp_call_function_single_interrupt+0x650/0x650
[  898.031282]  ? interrupt_entry+0xb5/0xc0
[  898.035344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  898.040358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  898.045373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  898.050243]  ? trace_hardirqs_on_caller+0x310/0x310
[  898.055274]  ? trace_hardirqs_on_caller+0x310/0x310
[  898.060293]  ? task_prio+0x50/0x50
[  898.063840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  898.069377]  ? check_preemption_disabled+0x48/0x280
[  898.074398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  898.079268]  apic_timer_interrupt+0xf/0x20
[  898.083496]  </IRQ>
[  898.085755] RIP: 0010:dump_stack+0x358/0x39d
[  898.090181] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  898.109107] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  898.116833] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  898.124103] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  898.131372] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  898.138645] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  898.145929] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  898.153230]  ? dump_stack+0x34f/0x39d
[  898.157040]  ? dump_stack_print_info.cold.1+0x20/0x20
[  898.162230]  ? mark_held_locks+0x130/0x130
[  898.166463]  ? mark_held_locks+0x130/0x130
[  898.170703]  dump_header+0x27b/0xf72
[  898.174435]  ? pagefault_out_of_memory+0x197/0x197
[  898.179377]  ? __lock_acquire+0x62f/0x4c20
[  898.183627]  ? percpu_ref_get_many+0x240/0x240
[  898.188212]  ? print_usage_bug+0xc0/0xc0
[  898.192280]  ? zap_class+0x640/0x640
[  898.195998]  ? print_usage_bug+0xc0/0xc0
[  898.200063]  ? print_usage_bug+0xc0/0xc0
[  898.204141]  ? zap_class+0x640/0x640
[  898.207875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  898.213423]  ? find_held_lock+0x36/0x1c0
[  898.217496]  ? mark_held_locks+0xc7/0x130
[  898.221653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  898.226758]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  898.231864]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  898.236482]  ? trace_hardirqs_on+0xbd/0x310
[  898.240805]  ? kasan_check_read+0x11/0x20
[  898.244954]  ? ___ratelimit+0x3b4/0x672
[  898.248928]  ? trace_hardirqs_off_caller+0x310/0x310
[  898.254033]  ? trace_hardirqs_on+0x310/0x310
[  898.258447]  ? lock_downgrade+0x900/0x900
[  898.262618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  898.267727]  ? ___ratelimit+0x3b9/0x672
[  898.271708]  ? idr_get_free+0xf80/0xf80
[  898.275689]  ? find_held_lock+0x36/0x1c0
[  898.279784]  oom_kill_process.cold.27+0x10/0x903
[  898.284542]  ? zap_class+0x640/0x640
[  898.288280]  ? check_preemption_disabled+0x48/0x280
[  898.293315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  898.298255]  ? kasan_check_read+0x11/0x20
[  898.302401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  898.307696]  ? oom_evaluate_task+0x540/0x540
[  898.312110]  ? find_held_lock+0x36/0x1c0
[  898.316182]  ? out_of_memory+0x974/0x1430
[  898.320359]  ? lock_downgrade+0x900/0x900
[  898.324505]  ? check_preemption_disabled+0x48/0x280
[  898.329542]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  898.334491]  ? kasan_check_read+0x11/0x20
[  898.338644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  898.343925]  ? rcu_softirq_qs+0x20/0x20
[  898.347908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  898.353451]  ? oom_evaluate_task+0x302/0x540
[  898.357868]  out_of_memory+0xa84/0x1430
[  898.361853]  ? oom_killer_disable+0x3a0/0x3a0
[  898.366349]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  898.371282]  ? __ww_mutex_check_waiters+0x160/0x160
[  898.376312]  __alloc_pages_slowpath+0x2354/0x2e10
[  898.381204]  ? warn_alloc+0x120/0x120
[  898.385004]  ? mark_held_locks+0x130/0x130
[  898.389265]  ? find_get_entry+0xaae/0x1120
[  898.393509]  ? filemap_map_pages+0x1a20/0x1a20
[  898.398098]  ? zap_class+0x640/0x640
[  898.401839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  898.407389]  ? check_preemption_disabled+0x48/0x280
[  898.412432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  898.417973]  ? should_fail+0x22d/0xd01
[  898.421870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  898.426984]  ? zap_class+0x640/0x640
[  898.430744]  ? __lock_is_held+0xb5/0x140
[  898.434824]  ? mark_held_locks+0x130/0x130
[  898.439064]  ? lock_release+0xa00/0xa00
[  898.443039]  ? perf_trace_sched_process_exec+0x860/0x860
[  898.448503]  ? xa_load+0x2ba/0x460
[  898.452066]  ? lock_downgrade+0x900/0x900
[  898.456229]  ? __might_sleep+0x95/0x190
[  898.460205]  __alloc_pages_nodemask+0xa80/0xde0
[  898.464885]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  898.469903]  ? __page_cache_alloc+0x191/0x5c0
[  898.474395]  ? xa_load+0x2e1/0x460
[  898.477955]  ? xa_clear_mark+0x40/0x40
[  898.481849]  ? zap_class+0x640/0x640
[  898.485574]  ? zap_class+0x640/0x640
[  898.489289]  ? zap_class+0x640/0x640
[  898.493006]  ? __do_page_cache_readahead+0x663/0x810
[  898.498114]  ? find_held_lock+0x36/0x1c0
[  898.502212]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  898.507766]  alloc_pages_current+0x173/0x350
[  898.512191]  __page_cache_alloc+0x38c/0x5c0
[  898.516527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  898.521469]  ? kasan_check_read+0x11/0x20
[  898.525626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  898.530915]  ? generic_perform_write+0x6a0/0x6a0
[  898.535672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  898.541212]  ? check_preemption_disabled+0x48/0x280
[  898.546259]  filemap_fault+0x1595/0x25f0
[  898.550337]  ? __lock_page_or_retry+0xa00/0xa00
[  898.555010]  ? mark_held_locks+0x130/0x130
[  898.559259]  ? filemap_map_pages+0xd6b/0x1a20
[  898.563773]  ? lock_downgrade+0x900/0x900
[  898.567930]  ? check_preemption_disabled+0x48/0x280
[  898.572954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  898.577885]  ? kasan_check_read+0x11/0x20
[  898.582037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  898.587320]  ? rcu_softirq_qs+0x20/0x20
[  898.591327]  ? filemap_map_pages+0xd92/0x1a20
[  898.595841]  ? find_get_entries_tag+0x1400/0x1400
[  898.600686]  ? debug_object_destroy+0x2b0/0x2b0
[  898.605361]  ? lock_pi_update_atomic+0x150/0x150
[  898.610152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  898.615742]  ? lock_acquire+0x1ed/0x520
[  898.619719]  ? ext4_filemap_fault+0x7a/0xad
[  898.624062]  ? lock_release+0xa00/0xa00
[  898.628035]  ? perf_trace_sched_process_exec+0x860/0x860
[  898.633502]  ? print_usage_bug+0xc0/0xc0
[  898.637568]  ? print_usage_bug+0xc0/0xc0
[  898.641645]  ? down_read+0x8d/0x120
[  898.645298]  ? ext4_filemap_fault+0x7a/0xad
[  898.649640]  ? __down_interruptible+0x700/0x700
[  898.654324]  ext4_filemap_fault+0x82/0xad
[  898.658505]  __do_fault+0x100/0x6b0
[  898.662132]  ? find_held_lock+0x36/0x1c0
[  898.666226]  ? pmd_devmap_trans_unstable+0x220/0x220
[  898.671335]  ? mark_held_locks+0x130/0x130
[  898.675578]  ? mark_held_locks+0x130/0x130
[  898.679818]  ? _raw_spin_unlock_irq+0x27/0x80
[  898.684314]  ? _raw_spin_unlock_irq+0x27/0x80
[  898.688815]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  898.693425]  ? kasan_check_read+0x11/0x20
[  898.697591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  898.703136]  __handle_mm_fault+0x3ea6/0x5be0
[  898.707561]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  898.712451]  ? finish_task_switch+0x1f4/0x910
[  898.716947]  ? finish_task_switch+0x1b4/0x910
[  898.721448]  ? __switch_to_asm+0x34/0x70
[  898.725955]  ? preempt_notifier_register+0x200/0x200
[  898.731057]  ? __switch_to_asm+0x34/0x70
[  898.735132]  ? __switch_to_asm+0x34/0x70
[  898.739207]  ? zap_class+0x640/0x640
[  898.742926]  ? zap_class+0x640/0x640
[  898.746646]  ? __x64_sys_futex+0x53e/0x6a0
[  898.750903]  ? find_held_lock+0x36/0x1c0
[  898.754979]  ? handle_mm_fault+0x42a/0xc70
[  898.759216]  ? lock_downgrade+0x900/0x900
[  898.763361]  ? check_preemption_disabled+0x48/0x280
[  898.768396]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  898.773336]  ? kasan_check_read+0x11/0x20
[  898.777495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  898.782776]  ? rcu_softirq_qs+0x20/0x20
[  898.786748]  ? trace_hardirqs_off_caller+0x310/0x310
[  898.791853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  898.797392]  ? check_preemption_disabled+0x48/0x280
[  898.802443]  handle_mm_fault+0x54f/0xc70
[  898.806516]  ? __handle_mm_fault+0x5be0/0x5be0
[  898.811100]  ? find_vma+0x34/0x190
[  898.814649]  __do_page_fault+0x5e8/0xe60
[  898.818710]  ? trace_hardirqs_off+0xb8/0x310
[  898.823127]  do_page_fault+0xf2/0x7e0
[  898.826927]  ? vmalloc_sync_all+0x30/0x30
[  898.831254]  ? error_entry+0x70/0xd0
[  898.834970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  898.839999]  ? trace_hardirqs_on_caller+0xc0/0x310
[  898.844928]  ? syscall_return_slowpath+0x5e0/0x5e0
[  898.849885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  898.854745]  ? trace_hardirqs_on_caller+0x310/0x310
[  898.859778]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  898.865233]  ? prepare_exit_to_usermode+0x291/0x3b0
[  898.870250]  ? page_fault+0x8/0x30
[  898.873820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  898.878686]  ? page_fault+0x8/0x30
[  898.882248]  page_fault+0x1e/0x30
[  898.885699] RIP: 0033:0x45ddf3
[  898.888917] Code: Bad RIP value.
[  898.892279] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  898.897638] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  898.904906] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  898.912171] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  898.919475] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  898.926742] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  898.934036] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  898.934041] warn_alloc_show_mem: 1 callbacks suppressed
[  898.934048] Mem-Info:
[  898.941061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  898.946461] active_anon:53034 inactive_anon:131 isolated_anon:0
[  898.946461]  active_file:14 inactive_file:14 isolated_file:0
[  898.946461]  unevictable:0 dirty:0 writeback:0 unstable:0
[  898.946461]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  898.946461]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  898.946461]  free:13749 free_pcp:564 free_cma:0
[  898.948852] Call Trace:
[  898.958252] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  898.991188]  <IRQ>
[  898.993762] 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
[  899.021185]  dump_stack+0x244/0x39d
[  899.023317] lowmem_reserve[]: 0 2818 6321 6321
[  899.049474]  ? dump_stack_print_info.cold.1+0x20/0x20
[  899.053081] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  899.057668]  warn_alloc.cold.116+0xb7/0x1bd
[  899.062828] lowmem_reserve[]: 0 0 3503 3503
[  899.090350]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  899.094665] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  899.098998]  ? lock_downgrade+0x900/0x900
[  899.103825] lowmem_reserve[]: 0 0 0 0
[  899.132899]  ? trace_hardirqs_off+0xb8/0x310
[  899.137023] 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
[  899.140821]  ? trace_hardirqs_off+0xb8/0x310
[  899.145203] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  899.158728]  __alloc_pages_slowpath+0x26e8/0x2e10
[  899.163107] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  899.178308]  ? warn_alloc+0x120/0x120
[  899.183113] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  899.198549]  ? warn_alloc+0x120/0x120
[  899.202331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  899.211175]  ? warn_alloc+0x120/0x120
[  899.214952] 166 total pagecache pages
[  899.223544]  ? print_usage_bug+0xc0/0xc0
[  899.227334] 0 pages in swap cache
[  899.231127]  ? print_usage_bug+0xc0/0xc0
[  899.235179] Swap cache stats: add 0, delete 0, find 0/0
[  899.238626]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  899.242666] Free swap  = 0kB
[  899.248027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  899.253195] Total swap = 0kB
[  899.256210]  ? should_fail+0x22d/0xd01
[  899.261759] 1965979 pages RAM
[  899.264775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  899.268645] 0 pages HighMem/MovableOnly
[  899.271747]  ? __lock_acquire+0x62f/0x4c20
[  899.276829] 342858 pages reserved
[  899.280798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  899.285010] 0 pages cma reserved
[  899.288462]  ? __lock_acquire+0x62f/0x4c20
[  899.293604] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  899.296903]  ? should_fail+0x22d/0xd01
[  899.296935]  ? mark_held_locks+0x130/0x130
[  899.301235] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  899.307639]  ? mark_held_locks+0x130/0x130
[  899.311507] syz-fuzzer cpuset=/ mems_allowed=0
[  899.315756]  ? kvm_clock_read+0x18/0x30
[  899.338718]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  899.343752]  ? zap_class+0x640/0x640
[  899.347467]  ? __lock_acquire+0x62f/0x4c20
[  899.351699]  ? __lock_acquire+0x62f/0x4c20
[  899.355950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.361494]  ? check_preemption_disabled+0x48/0x280
[  899.366528]  ? __lock_is_held+0xb5/0x140
[  899.370601]  __alloc_pages_nodemask+0xa80/0xde0
[  899.375278]  ? zap_class+0x640/0x640
[  899.378999]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  899.384026]  ? find_held_lock+0x36/0x1c0
[  899.388096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  899.392806]  ? lock_downgrade+0x900/0x900
[  899.396963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.402521]  cache_grow_begin+0xa5/0x8c0
[  899.406593]  ? do_raw_spin_unlock+0xa7/0x330
[  899.411021]  fallback_alloc+0x204/0x2e0
[  899.415003]  ____cache_alloc_node+0x1c7/0x1e0
[  899.419508]  kmem_cache_alloc+0x1f8/0x730
[  899.423672]  __build_skb+0xab/0x430
[  899.427306]  ? skb_try_coalesce+0x1b70/0x1b70
[  899.431803]  ? trace_hardirqs_on+0xbd/0x310
[  899.436126]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  899.441230]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  899.446770]  ? trace_hardirqs_off_caller+0x310/0x310
[  899.451877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.457423]  ? check_preemption_disabled+0x48/0x280
[  899.462466]  __netdev_alloc_skb+0x2b5/0x450
[  899.466824]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  899.472186]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  899.477286]  ? mod_timer+0x631/0x1560
[  899.481082]  ? wake_up_klogd+0x180/0x180
[  899.485168]  ? br_send_bpdu_finish+0x20/0x20
[  899.489615]  ? mark_held_locks+0x130/0x130
[  899.493865]  ? __lock_acquire+0x62f/0x4c20
[  899.498099]  ? lockdep_hardirqs_on+0x270/0x5b0
[  899.502694]  ? kasan_check_read+0x11/0x20
[  899.506865]  br_send_config_bpdu+0xc9d/0x10a0
[  899.511363]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  899.516999]  br_transmit_config+0x8cd/0xbb0
[  899.521318]  ? find_held_lock+0x36/0x1c0
[  899.525383]  ? br_get_port+0x280/0x280
[  899.529280]  ? lock_acquire+0x1ed/0x520
[  899.533260]  ? br_hello_timer_expired+0x20/0x190
[  899.538022]  ? kasan_check_read+0x11/0x20
[  899.542194]  br_config_bpdu_generation+0x16a/0x1c0
[  899.547147]  br_hello_timer_expired+0xa9/0x190
[  899.551731]  call_timer_fn+0x272/0x920
[  899.555619]  ? br_is_root_bridge+0x40/0x40
[  899.559863]  ? process_timeout+0x40/0x40
[  899.563938]  ? __run_timers+0x7da/0xc70
[  899.567921]  ? _raw_spin_unlock_irq+0x27/0x80
[  899.572423]  ? _raw_spin_unlock_irq+0x27/0x80
[  899.576921]  ? br_is_root_bridge+0x40/0x40
[  899.581173]  ? lockdep_hardirqs_on+0x296/0x5b0
[  899.585762]  ? trace_hardirqs_on+0xbd/0x310
[  899.590082]  ? kasan_check_read+0x11/0x20
[  899.594241]  ? __run_timers+0x7da/0xc70
[  899.598228]  ? trace_hardirqs_off_caller+0x310/0x310
[  899.603344]  ? br_is_root_bridge+0x40/0x40
[  899.607576]  __run_timers+0x7e5/0xc70
[  899.611401]  ? timer_fixup_init+0x70/0x70
[  899.615560]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  899.620578]  ? zap_class+0x640/0x640
[  899.624295]  ? enqueue_hrtimer+0x1a5/0x560
[  899.628542]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  899.633763]  ? find_held_lock+0x36/0x1c0
[  899.637831]  ? zap_class+0x640/0x640
[  899.641560]  ? pvclock_read_flags+0x160/0x160
[  899.646054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.651609]  ? check_preemption_disabled+0x48/0x280
[  899.656648]  ? __lock_is_held+0xb5/0x140
[  899.660712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.666255]  ? check_preemption_disabled+0x48/0x280
[  899.671300]  run_timer_softirq+0x52/0xb0
[  899.675385]  ? rcu_read_lock_sched_held+0x14f/0x180
[  899.680412]  __do_softirq+0x308/0xb7e
[  899.684218]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  899.688712]  ? lock_downgrade+0x900/0x900
[  899.692862]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  899.697975]  ? pvclock_read_flags+0x160/0x160
[  899.702480]  ? lapic_next_event+0x5a/0x90
[  899.706635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.712182]  ? kvm_clock_read+0x18/0x30
[  899.716160]  ? kvm_sched_clock_read+0x9/0x20
[  899.720575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.726114]  ? check_preemption_disabled+0x48/0x280
[  899.731162]  irq_exit+0x17f/0x1c0
[  899.734620]  smp_apic_timer_interrupt+0x1cb/0x760
[  899.739464]  ? smp_reschedule_interrupt+0x109/0x650
[  899.744483]  ? smp_call_function_single_interrupt+0x650/0x650
[  899.750372]  ? interrupt_entry+0xb5/0xc0
[  899.754446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  899.759474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  899.764534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  899.769377]  ? trace_hardirqs_on_caller+0x310/0x310
[  899.774400]  ? trace_hardirqs_on_caller+0x310/0x310
[  899.779439]  ? task_prio+0x50/0x50
[  899.782997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.788561]  ? check_preemption_disabled+0x48/0x280
[  899.793581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  899.798442]  apic_timer_interrupt+0xf/0x20
[  899.802673]  </IRQ>
[  899.804938] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  899.810839] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  899.829740] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  899.837458] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  899.844760] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  899.852023] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  899.859302] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  899.866565] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  899.873857]  ? save_stack+0xa9/0xd0
[  899.877506]  __kmalloc_node_track_caller+0x3c/0x70
[  899.882450]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  899.887212]  pskb_expand_head+0x230/0x10f0
[  899.891472]  ? check_preemption_disabled+0x48/0x280
[  899.896492]  ? memcpy+0x45/0x50
[  899.899772]  ? __copy_skb_header+0x350/0x6b0
[  899.904181]  ? skb_release_data+0x880/0x880
[  899.908499]  ? __alloc_skb+0x770/0x770
[  899.912394]  ? __lock_is_held+0xb5/0x140
[  899.916470]  ? kasan_check_write+0x14/0x20
[  899.920700]  ? __skb_clone+0x6c7/0xa00
[  899.924609]  ? __copy_skb_header+0x6b0/0x6b0
[  899.929024]  ? kmem_cache_alloc+0x33a/0x730
[  899.933345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  899.938884]  skb_ensure_writable+0x3dd/0x640
[  899.943294]  ? skb_checksum_setup+0xaa0/0xaa0
[  899.947816]  ? preempt_notifier_register+0x200/0x200
[  899.952922]  ? __switch_to_asm+0x34/0x70
[  899.956985]  ? __switch_to_asm+0x34/0x70
[  899.961056]  ? __switch_to_asm+0x40/0x70
[  899.965117]  ? __switch_to_asm+0x34/0x70
[  899.969176]  ? __switch_to_asm+0x40/0x70
[  899.973254]  ? __switch_to_asm+0x40/0x70
[  899.977312]  ? __switch_to_asm+0x34/0x70
[  899.981373]  ? __switch_to_asm+0x34/0x70
[  899.985454]  ? __switch_to_asm+0x40/0x70
[  899.989535]  ? __switch_to_asm+0x34/0x70
[  899.993616]  bpf_clone_redirect+0x14a/0x490
[  899.997952]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  900.002971]  ? __sched_text_start+0x8/0x8
[  900.007121]  ? retint_kernel+0x2d/0x2d
[  900.011019]  ? find_held_lock+0x36/0x1c0
[  900.015093]  ? lock_acquire+0x1ed/0x520
[  900.019067]  ? bpf_test_run+0x3cb/0x780
[  900.023056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.028597]  ? check_preemption_disabled+0x48/0x280
[  900.033621]  ? kasan_check_read+0x11/0x20
[  900.037786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  900.043062]  ? rcu_softirq_qs+0x20/0x20
[  900.047039]  ? preempt_schedule+0x4d/0x60
[  900.051191]  ? ___preempt_schedule+0x16/0x18
[  900.055621]  ? bpf_test_run+0x25d/0x780
[  900.059608]  ? netlink_diag_dump+0x2a0/0x2a0
[  900.064053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  900.069587]  ? bpf_test_init.isra.10+0x70/0x100
[  900.074275]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  900.079058]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  900.083902]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  900.089461]  ? fput+0x130/0x1a0
[  900.092741]  ? __bpf_prog_get+0x9b/0x290
[  900.096811]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  900.101653]  ? bpf_prog_test_run+0x130/0x1a0
[  900.106071]  ? __x64_sys_bpf+0x3d8/0x520
[  900.110147]  ? bpf_prog_get+0x20/0x20
[  900.113979]  ? do_syscall_64+0x1b9/0x820
[  900.118042]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  900.123420]  ? syscall_return_slowpath+0x5e0/0x5e0
[  900.128360]  ? trace_hardirqs_on_caller+0x310/0x310
[  900.133378]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  900.138426]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  900.145110]  ? __switch_to_asm+0x40/0x70
[  900.149174]  ? __switch_to_asm+0x34/0x70
[  900.153240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  900.158104]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  900.163484] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  900.163605] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  900.170160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  900.180628] syz-executor0 cpuset=syz0 mems_allowed=0
[  900.189979] Call Trace:
[  900.197659]  <IRQ>
[  900.199815]  dump_stack+0x244/0x39d
[  900.203450]  ? dump_stack_print_info.cold.1+0x20/0x20
[  900.208656]  warn_alloc.cold.116+0xb7/0x1bd
[  900.212983]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  900.217833]  ? lock_downgrade+0x900/0x900
[  900.221987]  ? trace_hardirqs_off+0xb8/0x310
[  900.226404]  ? trace_hardirqs_off+0xb8/0x310
[  900.230839]  __alloc_pages_slowpath+0x26e8/0x2e10
[  900.235742]  ? warn_alloc+0x120/0x120
[  900.239556]  ? print_usage_bug+0xc0/0xc0
[  900.243629]  ? warn_alloc+0x120/0x120
[  900.247444]  ? warn_alloc+0x120/0x120
[  900.251262]  ? print_usage_bug+0xc0/0xc0
[  900.255321]  ? kvm_clock_read+0x18/0x30
[  900.259292]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  900.264309]  ? print_usage_bug+0xc0/0xc0
[  900.268374]  ? __lock_acquire+0x62f/0x4c20
[  900.272625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  900.278166]  ? should_fail+0x22d/0xd01
[  900.282053]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  900.287339]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  900.292447]  ? __lock_acquire+0x62f/0x4c20
[  900.296687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  900.301807]  ? __lock_acquire+0x62f/0x4c20
[  900.306038]  ? should_fail+0x22d/0xd01
[  900.309919]  ? rcu_irq_exit+0x1a2/0x390
[  900.313906]  ? mark_held_locks+0x130/0x130
[  900.318158]  ? mark_held_locks+0x130/0x130
[  900.322395]  ? mark_held_locks+0xc7/0x130
[  900.326547]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  900.331571]  ? zap_class+0x640/0x640
[  900.335296]  ? print_usage_bug+0xc0/0xc0
[  900.339360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.344918]  ? check_preemption_disabled+0x48/0x280
[  900.349988]  ? __lock_is_held+0xb5/0x140
[  900.354072]  __alloc_pages_nodemask+0xa80/0xde0
[  900.358741]  ? zap_class+0x640/0x640
[  900.362459]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  900.367487]  ? find_held_lock+0x36/0x1c0
[  900.371559]  ? ____cache_alloc_node+0x1c7/0x1e0
[  900.376238]  ? lock_downgrade+0x900/0x900
[  900.380422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.385964]  cache_grow_begin+0xa5/0x8c0
[  900.390027]  ? do_raw_spin_unlock+0xa7/0x330
[  900.394470]  fallback_alloc+0x204/0x2e0
[  900.398461]  ____cache_alloc_node+0x1c7/0x1e0
[  900.402958]  kmem_cache_alloc_node+0xe3/0x730
[  900.407449]  ? ipv6_get_ifaddr+0x42e/0x620
[  900.411689]  __alloc_skb+0x119/0x770
[  900.415397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  900.420705]  ? netdev_alloc_frag+0x1f0/0x1f0
[  900.425112]  ? lock_downgrade+0x900/0x900
[  900.429262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.434797]  ? refcount_sub_and_test_checked+0x203/0x310
[  900.440249]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  900.445699]  ? addrconf_rs_timer+0x690/0x690
[  900.450123]  ndisc_alloc_skb+0x144/0x340
[  900.454192]  ndisc_send_rs+0x331/0x6e0
[  900.458082]  addrconf_rs_timer+0x314/0x690
[  900.462324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  900.466571]  call_timer_fn+0x272/0x920
[  900.470460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  900.474724]  ? process_timeout+0x40/0x40
[  900.478812]  ? mark_held_locks+0xc7/0x130
[  900.482965]  ? _raw_spin_unlock_irq+0x27/0x80
[  900.487462]  ? _raw_spin_unlock_irq+0x27/0x80
[  900.491955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  900.496188]  ? lockdep_hardirqs_on+0x296/0x5b0
[  900.500789]  ? trace_hardirqs_on+0xbd/0x310
[  900.505138]  ? kasan_check_read+0x11/0x20
[  900.509280]  ? __run_timers+0x7da/0xc70
[  900.513296]  ? trace_hardirqs_off_caller+0x310/0x310
[  900.518407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  900.522670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  900.526914]  __run_timers+0x7e5/0xc70
[  900.530726]  ? timer_fixup_init+0x70/0x70
[  900.534871]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  900.539886]  ? zap_class+0x640/0x640
[  900.543613]  ? print_usage_bug+0xc0/0xc0
[  900.547675]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  900.552869]  ? find_held_lock+0x36/0x1c0
[  900.556931]  ? zap_class+0x640/0x640
[  900.560654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.566193]  ? check_preemption_disabled+0x48/0x280
[  900.571217]  ? __lock_is_held+0xb5/0x140
[  900.575278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.580830]  ? check_preemption_disabled+0x48/0x280
[  900.585851]  run_timer_softirq+0x52/0xb0
[  900.589912]  ? rcu_read_lock_sched_held+0x14f/0x180
[  900.594927]  __do_softirq+0x308/0xb7e
[  900.598735]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  900.603239]  ? lock_downgrade+0x900/0x900
[  900.607423]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  900.612585]  ? pvclock_read_flags+0x160/0x160
[  900.617083]  ? lapic_next_event+0x5a/0x90
[  900.621233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.626772]  ? kvm_clock_read+0x18/0x30
[  900.630758]  ? kvm_sched_clock_read+0x9/0x20
[  900.635194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  900.640736]  ? check_preemption_disabled+0x48/0x280
[  900.645761]  irq_exit+0x17f/0x1c0
[  900.649227]  smp_apic_timer_interrupt+0x1cb/0x760
[  900.654065]  ? smp_reschedule_interrupt+0x109/0x650
[  900.659087]  ? smp_call_function_single_interrupt+0x650/0x650
[  900.665061]  ? interrupt_entry+0xb5/0xc0
[  900.669123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  900.674154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  900.679181]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  900.684033]  ? trace_hardirqs_on_caller+0x310/0x310
[  900.689048]  ? trace_hardirqs_on_caller+0x310/0x310
[  900.694062]  ? task_prio+0x50/0x50
[  900.697605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.703142]  ? check_preemption_disabled+0x48/0x280
[  900.708187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  900.713041]  apic_timer_interrupt+0xf/0x20
[  900.717274]  </IRQ>
[  900.719525] RIP: 0010:dump_stack+0x358/0x39d
[  900.724411] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  900.743321] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  900.751027] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  900.758292] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  900.765564] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  900.772845] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  900.780108] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  900.787390]  ? dump_stack+0x34f/0x39d
[  900.791213]  ? dump_stack_print_info.cold.1+0x20/0x20
[  900.796411]  ? mark_held_locks+0x130/0x130
[  900.800673]  ? mark_held_locks+0x130/0x130
[  900.804913]  dump_header+0x27b/0xf72
[  900.808636]  ? pagefault_out_of_memory+0x197/0x197
[  900.813572]  ? __lock_acquire+0x62f/0x4c20
[  900.817801]  ? percpu_ref_get_many+0x240/0x240
[  900.822397]  ? print_usage_bug+0xc0/0xc0
[  900.826474]  ? zap_class+0x640/0x640
[  900.830207]  ? print_usage_bug+0xc0/0xc0
[  900.834450]  ? print_usage_bug+0xc0/0xc0
[  900.838531]  ? zap_class+0x640/0x640
[  900.842245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  900.847786]  ? find_held_lock+0x36/0x1c0
[  900.851855]  ? mark_held_locks+0xc7/0x130
[  900.856007]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  900.861108]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  900.866210]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  900.870792]  ? trace_hardirqs_on+0xbd/0x310
[  900.875111]  ? kasan_check_read+0x11/0x20
[  900.879256]  ? ___ratelimit+0x3b4/0x672
[  900.883229]  ? trace_hardirqs_off_caller+0x310/0x310
[  900.888330]  ? trace_hardirqs_on+0x310/0x310
[  900.892749]  ? lock_downgrade+0x900/0x900
[  900.896921]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  900.902032]  ? ___ratelimit+0x3b9/0x672
[  900.906009]  ? idr_get_free+0xf80/0xf80
[  900.909985]  ? find_held_lock+0x36/0x1c0
[  900.914053]  oom_kill_process.cold.27+0x10/0x903
[  900.918804]  ? zap_class+0x640/0x640
[  900.922516]  ? check_preemption_disabled+0x48/0x280
[  900.927555]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  900.932484]  ? kasan_check_read+0x11/0x20
[  900.936643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  900.941919]  ? oom_evaluate_task+0x540/0x540
[  900.946350]  ? find_held_lock+0x36/0x1c0
[  900.950423]  ? out_of_memory+0x974/0x1430
[  900.954593]  ? lock_downgrade+0x900/0x900
[  900.958760]  ? check_preemption_disabled+0x48/0x280
[  900.963784]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  900.968726]  ? kasan_check_read+0x11/0x20
[  900.972879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  900.978157]  ? rcu_softirq_qs+0x20/0x20
[  900.982134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  900.987671]  ? oom_evaluate_task+0x302/0x540
[  900.992084]  out_of_memory+0xa84/0x1430
[  900.996091]  ? oom_killer_disable+0x3a0/0x3a0
[  901.000592]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  901.005528]  ? __ww_mutex_check_waiters+0x160/0x160
[  901.010563]  __alloc_pages_slowpath+0x2354/0x2e10
[  901.015442]  ? warn_alloc+0x120/0x120
[  901.019265]  ? mark_held_locks+0x130/0x130
[  901.023542]  ? find_get_entry+0xaae/0x1120
[  901.027830]  ? filemap_map_pages+0x1a20/0x1a20
[  901.032429]  ? zap_class+0x640/0x640
[  901.036153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  901.041689]  ? check_preemption_disabled+0x48/0x280
[  901.046707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  901.052249]  ? should_fail+0x22d/0xd01
[  901.056139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  901.061245]  ? zap_class+0x640/0x640
[  901.064986]  ? __lock_is_held+0xb5/0x140
[  901.069055]  ? mark_held_locks+0x130/0x130
[  901.073298]  ? lock_release+0xa00/0xa00
[  901.077283]  ? perf_trace_sched_process_exec+0x860/0x860
[  901.082736]  ? xa_load+0x2ba/0x460
[  901.086277]  ? lock_downgrade+0x900/0x900
[  901.090438]  ? __might_sleep+0x95/0x190
[  901.094421]  __alloc_pages_nodemask+0xa80/0xde0
[  901.099098]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  901.104117]  ? __page_cache_alloc+0x191/0x5c0
[  901.108612]  ? xa_load+0x2e1/0x460
[  901.112153]  ? xa_clear_mark+0x40/0x40
[  901.116046]  ? zap_class+0x640/0x640
[  901.119780]  ? zap_class+0x640/0x640
[  901.123512]  ? zap_class+0x640/0x640
[  901.127225]  ? __do_page_cache_readahead+0x663/0x810
[  901.132377]  ? find_held_lock+0x36/0x1c0
[  901.136448]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  901.141992]  alloc_pages_current+0x173/0x350
[  901.146414]  __page_cache_alloc+0x38c/0x5c0
[  901.150752]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  901.155676]  ? kasan_check_read+0x11/0x20
[  901.159831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  901.165115]  ? generic_perform_write+0x6a0/0x6a0
[  901.169873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  901.175406]  ? check_preemption_disabled+0x48/0x280
[  901.180437]  filemap_fault+0x1595/0x25f0
[  901.184527]  ? __lock_page_or_retry+0xa00/0xa00
[  901.189208]  ? mark_held_locks+0x130/0x130
[  901.193466]  ? filemap_map_pages+0xd6b/0x1a20
[  901.197960]  ? lock_downgrade+0x900/0x900
[  901.202106]  ? check_preemption_disabled+0x48/0x280
[  901.207125]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  901.212052]  ? kasan_check_read+0x11/0x20
[  901.216203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  901.221496]  ? rcu_softirq_qs+0x20/0x20
[  901.225498]  ? filemap_map_pages+0xd92/0x1a20
[  901.230006]  ? find_get_entries_tag+0x1400/0x1400
[  901.234851]  ? debug_object_destroy+0x2b0/0x2b0
[  901.239525]  ? lock_pi_update_atomic+0x150/0x150
[  901.244296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  901.249853]  ? lock_acquire+0x1ed/0x520
[  901.253831]  ? ext4_filemap_fault+0x7a/0xad
[  901.258162]  ? lock_release+0xa00/0xa00
[  901.262134]  ? perf_trace_sched_process_exec+0x860/0x860
[  901.267587]  ? print_usage_bug+0xc0/0xc0
[  901.271668]  ? print_usage_bug+0xc0/0xc0
[  901.275752]  ? down_read+0x8d/0x120
[  901.279387]  ? ext4_filemap_fault+0x7a/0xad
[  901.283714]  ? __down_interruptible+0x700/0x700
[  901.288392]  ext4_filemap_fault+0x82/0xad
[  901.292551]  __do_fault+0x100/0x6b0
[  901.296204]  ? find_held_lock+0x36/0x1c0
[  901.300272]  ? pmd_devmap_trans_unstable+0x220/0x220
[  901.305381]  ? mark_held_locks+0x130/0x130
[  901.309625]  ? mark_held_locks+0x130/0x130
[  901.313859]  ? _raw_spin_unlock_irq+0x27/0x80
[  901.318360]  ? _raw_spin_unlock_irq+0x27/0x80
[  901.322857]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  901.327448]  ? kasan_check_read+0x11/0x20
[  901.331609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  901.337156]  __handle_mm_fault+0x3ea6/0x5be0
[  901.341579]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  901.346450]  ? finish_task_switch+0x1f4/0x910
[  901.350942]  ? finish_task_switch+0x1b4/0x910
[  901.355438]  ? __switch_to_asm+0x34/0x70
[  901.359504]  ? preempt_notifier_register+0x200/0x200
[  901.364609]  ? __switch_to_asm+0x34/0x70
[  901.368670]  ? __switch_to_asm+0x34/0x70
[  901.372745]  ? zap_class+0x640/0x640
[  901.376460]  ? zap_class+0x640/0x640
[  901.380168]  ? __x64_sys_futex+0x53e/0x6a0
[  901.384405]  ? find_held_lock+0x36/0x1c0
[  901.388490]  ? handle_mm_fault+0x42a/0xc70
[  901.392727]  ? lock_downgrade+0x900/0x900
[  901.396871]  ? check_preemption_disabled+0x48/0x280
[  901.401930]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  901.406866]  ? kasan_check_read+0x11/0x20
[  901.411021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  901.416294]  ? rcu_softirq_qs+0x20/0x20
[  901.420267]  ? trace_hardirqs_off_caller+0x310/0x310
[  901.425371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  901.430911]  ? check_preemption_disabled+0x48/0x280
[  901.435934]  handle_mm_fault+0x54f/0xc70
[  901.439999]  ? __handle_mm_fault+0x5be0/0x5be0
[  901.444582]  ? find_vma+0x34/0x190
[  901.448126]  __do_page_fault+0x5e8/0xe60
[  901.452183]  ? trace_hardirqs_off+0xb8/0x310
[  901.456601]  do_page_fault+0xf2/0x7e0
[  901.460400]  ? vmalloc_sync_all+0x30/0x30
[  901.464591]  ? error_entry+0x70/0xd0
[  901.468318]  ? trace_hardirqs_off_caller+0xbb/0x310
[  901.473331]  ? trace_hardirqs_on_caller+0xc0/0x310
[  901.478270]  ? syscall_return_slowpath+0x5e0/0x5e0
[  901.483210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  901.488057]  ? trace_hardirqs_on_caller+0x310/0x310
[  901.493088]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  901.498555]  ? prepare_exit_to_usermode+0x291/0x3b0
[  901.503598]  ? page_fault+0x8/0x30
[  901.507153]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  901.511998]  ? page_fault+0x8/0x30
[  901.515541]  page_fault+0x1e/0x30
[  901.518991] RIP: 0033:0x45ddf3
[  901.522199] Code: Bad RIP value.
[  901.525558] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  901.530914] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  901.538176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  901.545460] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  901.552725] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  901.559992] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  901.567276] warn_alloc_show_mem: 1 callbacks suppressed
[  901.567287] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  901.567289] Mem-Info:
[  901.567318] active_anon:53034 inactive_anon:131 isolated_anon:0
[  901.567318]  active_file:14 inactive_file:14 isolated_file:0
[  901.567318]  unevictable:0 dirty:0 writeback:0 unstable:0
[  901.567318]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  901.567318]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  901.567318]  free:13749 free_pcp:564 free_cma:0
[  901.572660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  901.579689] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  901.582096] Call Trace:
[  901.615061] 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
[  901.624427]  <IRQ>
[  901.651820] lowmem_reserve[]: 0 2818 6321 6321
[  901.654442]  dump_stack+0x244/0x39d
[  901.680533] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  901.682706]  ? dump_stack_print_info.cold.1+0x20/0x20
[  901.687263] lowmem_reserve[]: 0 0 3503 3503
[  901.690897]  warn_alloc.cold.116+0xb7/0x1bd
[  901.718367] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  901.723576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  901.727877] lowmem_reserve[]: 0 0 0 0
[  901.732197]  ? lock_downgrade+0x900/0x900
[  901.761232] 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
[  901.766072]  ? trace_hardirqs_off+0xb8/0x310
[  901.769846] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  901.773991]  ? trace_hardirqs_off+0xb8/0x310
[  901.787503] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  901.791928]  __alloc_pages_slowpath+0x26e8/0x2e10
[  901.807103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  901.811540]  ? warn_alloc+0x120/0x120
[  901.826919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  901.831787]  ? warn_alloc+0x120/0x120
[  901.840598] 166 total pagecache pages
[  901.844397]  ? warn_alloc+0x120/0x120
[  901.852955] 0 pages in swap cache
[  901.856750]  ? print_usage_bug+0xc0/0xc0
[  901.860535] Swap cache stats: add 0, delete 0, find 0/0
[  901.864336]  ? enqueue_hrtimer+0x1a5/0x560
[  901.867769] Free swap  = 0kB
[  901.871841]  ? print_usage_bug+0xc0/0xc0
[  901.877195] Total swap = 0kB
[  901.881433]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  901.884432] 1965979 pages RAM
[  901.888488]  ? print_usage_bug+0xc0/0xc0
[  901.891497] 0 pages HighMem/MovableOnly
[  901.896695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  901.899779] 342858 pages reserved
[  901.903845]  ? should_fail+0x22d/0xd01
[  901.907794] 0 pages cma reserved
[  901.907866] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  901.913337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  901.916861] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  901.920690]  ? __lock_acquire+0x62f/0x4c20
[  901.924032] syz-fuzzer cpuset=/ mems_allowed=0
[  901.930537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  901.959708]  ? __lock_acquire+0x62f/0x4c20
[  901.963943]  ? should_fail+0x22d/0xd01
[  901.967841]  ? mark_held_locks+0x130/0x130
[  901.972077]  ? mark_held_locks+0x130/0x130
[  901.976340]  ? mark_held_locks+0x130/0x130
[  901.980617]  ? zap_class+0x640/0x640
[  901.984345]  ? check_preemption_disabled+0x48/0x280
[  901.989357]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  901.993856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  901.999393]  ? check_preemption_disabled+0x48/0x280
[  902.004430]  ? __lock_is_held+0xb5/0x140
[  902.008499]  __alloc_pages_nodemask+0xa80/0xde0
[  902.013193]  ? zap_class+0x640/0x640
[  902.016914]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  902.021952]  ? find_held_lock+0x36/0x1c0
[  902.026025]  ? ____cache_alloc_node+0x1c7/0x1e0
[  902.030696]  ? lock_downgrade+0x900/0x900
[  902.034875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.040419]  cache_grow_begin+0xa5/0x8c0
[  902.044477]  ? do_raw_spin_unlock+0xa7/0x330
[  902.048894]  fallback_alloc+0x204/0x2e0
[  902.052893]  ____cache_alloc_node+0x1c7/0x1e0
[  902.057422]  kmem_cache_alloc+0x1f8/0x730
[  902.061612]  __build_skb+0xab/0x430
[  902.065239]  ? skb_try_coalesce+0x1b70/0x1b70
[  902.069745]  ? trace_hardirqs_on+0xbd/0x310
[  902.074072]  ? br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  902.079624]  ? trace_hardirqs_off_caller+0x310/0x310
[  902.084738]  ? mod_timer+0x631/0x1560
[  902.088538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.094075]  ? check_preemption_disabled+0x48/0x280
[  902.099095]  __netdev_alloc_skb+0x2b5/0x450
[  902.103428]  br_send_bpdu.isra.7.constprop.8+0xa8/0xc80
[  902.108798]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  902.113900]  ? mod_timer+0x631/0x1560
[  902.117704]  ? wake_up_klogd+0x180/0x180
[  902.121764]  ? br_send_bpdu_finish+0x20/0x20
[  902.126178]  ? mark_held_locks+0x130/0x130
[  902.130426]  ? __lock_acquire+0x62f/0x4c20
[  902.134662]  ? lockdep_hardirqs_on+0x270/0x5b0
[  902.139254]  ? kasan_check_read+0x11/0x20
[  902.143414]  br_send_config_bpdu+0xc9d/0x10a0
[  902.147953]  ? br_send_bpdu.isra.7.constprop.8+0xc80/0xc80
[  902.153580]  ? round_jiffies+0x11c/0x170
[  902.157664]  br_transmit_config+0x8cd/0xbb0
[  902.161987]  ? find_held_lock+0x36/0x1c0
[  902.166053]  ? br_get_port+0x280/0x280
[  902.169973]  ? lock_acquire+0x1ed/0x520
[  902.173953]  ? br_hello_timer_expired+0x20/0x190
[  902.178716]  ? kasan_check_read+0x11/0x20
[  902.182877]  br_config_bpdu_generation+0x16a/0x1c0
[  902.187811]  br_hello_timer_expired+0xa9/0x190
[  902.192396]  call_timer_fn+0x272/0x920
[  902.196290]  ? br_is_root_bridge+0x40/0x40
[  902.200526]  ? process_timeout+0x40/0x40
[  902.204610]  ? __run_timers+0x7da/0xc70
[  902.208582]  ? _raw_spin_unlock_irq+0x27/0x80
[  902.213076]  ? _raw_spin_unlock_irq+0x27/0x80
[  902.217567]  ? br_is_root_bridge+0x40/0x40
[  902.221796]  ? lockdep_hardirqs_on+0x296/0x5b0
[  902.226375]  ? trace_hardirqs_on+0xbd/0x310
[  902.230697]  ? kasan_check_read+0x11/0x20
[  902.234844]  ? __run_timers+0x7da/0xc70
[  902.238813]  ? trace_hardirqs_off_caller+0x310/0x310
[  902.243927]  ? br_is_root_bridge+0x40/0x40
[  902.248159]  __run_timers+0x7e5/0xc70
[  902.251964]  ? timer_fixup_init+0x70/0x70
[  902.256113]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  902.261150]  ? zap_class+0x640/0x640
[  902.264869]  ? enqueue_hrtimer+0x1a5/0x560
[  902.269101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  902.274293]  ? find_held_lock+0x36/0x1c0
[  902.278358]  ? zap_class+0x640/0x640
[  902.282075]  ? pvclock_read_flags+0x160/0x160
[  902.286571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.292107]  ? check_preemption_disabled+0x48/0x280
[  902.297130]  ? __lock_is_held+0xb5/0x140
[  902.301206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.306746]  ? check_preemption_disabled+0x48/0x280
[  902.311769]  run_timer_softirq+0x52/0xb0
[  902.315831]  ? rcu_read_lock_sched_held+0x14f/0x180
[  902.320858]  __do_softirq+0x308/0xb7e
[  902.324676]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  902.329179]  ? lock_downgrade+0x900/0x900
[  902.333331]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  902.338450]  ? pvclock_read_flags+0x160/0x160
[  902.342950]  ? lapic_next_event+0x5a/0x90
[  902.347101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.352670]  ? kvm_clock_read+0x18/0x30
[  902.356645]  ? kvm_sched_clock_read+0x9/0x20
[  902.361062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.366599]  ? check_preemption_disabled+0x48/0x280
[  902.371624]  irq_exit+0x17f/0x1c0
[  902.375093]  smp_apic_timer_interrupt+0x1cb/0x760
[  902.379940]  ? smp_reschedule_interrupt+0x109/0x650
[  902.384958]  ? smp_call_function_single_interrupt+0x650/0x650
[  902.390839]  ? interrupt_entry+0xb5/0xc0
[  902.394902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  902.399928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  902.404945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  902.409785]  ? trace_hardirqs_on_caller+0x310/0x310
[  902.414797]  ? trace_hardirqs_on_caller+0x310/0x310
[  902.419842]  ? task_prio+0x50/0x50
[  902.423380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.428928]  ? check_preemption_disabled+0x48/0x280
[  902.433958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  902.438807]  apic_timer_interrupt+0xf/0x20
[  902.443046]  </IRQ>
[  902.445294] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  902.451174] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  902.470069] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  902.477775] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  902.485040] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  902.492305] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  902.499580] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  902.506847] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  902.514166]  ? save_stack+0xa9/0xd0
[  902.517804]  __kmalloc_node_track_caller+0x3c/0x70
[  902.522741]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  902.527504]  pskb_expand_head+0x230/0x10f0
[  902.531737]  ? check_preemption_disabled+0x48/0x280
[  902.536757]  ? memcpy+0x45/0x50
[  902.540050]  ? __copy_skb_header+0x350/0x6b0
[  902.544474]  ? skb_release_data+0x880/0x880
[  902.548795]  ? __alloc_skb+0x770/0x770
[  902.552686]  ? __lock_is_held+0xb5/0x140
[  902.556752]  ? kasan_check_write+0x14/0x20
[  902.560985]  ? __skb_clone+0x6c7/0xa00
[  902.564871]  ? __copy_skb_header+0x6b0/0x6b0
[  902.569278]  ? kmem_cache_alloc+0x33a/0x730
[  902.573604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.579150]  skb_ensure_writable+0x3dd/0x640
[  902.583560]  ? skb_checksum_setup+0xaa0/0xaa0
[  902.588056]  ? preempt_notifier_register+0x200/0x200
[  902.593158]  ? __switch_to_asm+0x34/0x70
[  902.597228]  ? __switch_to_asm+0x34/0x70
[  902.601286]  ? __switch_to_asm+0x40/0x70
[  902.605341]  ? __switch_to_asm+0x34/0x70
[  902.609397]  ? __switch_to_asm+0x40/0x70
[  902.613461]  ? __switch_to_asm+0x40/0x70
[  902.617521]  ? __switch_to_asm+0x34/0x70
[  902.621594]  ? __switch_to_asm+0x34/0x70
[  902.625660]  ? __switch_to_asm+0x40/0x70
[  902.629715]  ? __switch_to_asm+0x34/0x70
[  902.633781]  bpf_clone_redirect+0x14a/0x490
[  902.638110]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  902.643129]  ? __sched_text_start+0x8/0x8
[  902.647277]  ? retint_kernel+0x2d/0x2d
[  902.651172]  ? find_held_lock+0x36/0x1c0
[  902.655246]  ? lock_acquire+0x1ed/0x520
[  902.659232]  ? bpf_test_run+0x3cb/0x780
[  902.663229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.668764]  ? check_preemption_disabled+0x48/0x280
[  902.673787]  ? kasan_check_read+0x11/0x20
[  902.677942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  902.683239]  ? rcu_softirq_qs+0x20/0x20
[  902.687210]  ? preempt_schedule+0x4d/0x60
[  902.691355]  ? ___preempt_schedule+0x16/0x18
[  902.695768]  ? bpf_test_run+0x25d/0x780
[  902.699748]  ? netlink_diag_dump+0x2a0/0x2a0
[  902.704160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  902.709691]  ? bpf_test_init.isra.10+0x70/0x100
[  902.714373]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  902.719140]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  902.724219]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  902.729762]  ? fput+0x130/0x1a0
[  902.733306]  ? __bpf_prog_get+0x9b/0x290
[  902.737372]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  902.742212]  ? bpf_prog_test_run+0x130/0x1a0
[  902.746640]  ? __x64_sys_bpf+0x3d8/0x520
[  902.750703]  ? bpf_prog_get+0x20/0x20
[  902.754522]  ? do_syscall_64+0x1b9/0x820
[  902.758584]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  902.763953]  ? syscall_return_slowpath+0x5e0/0x5e0
[  902.768889]  ? trace_hardirqs_on_caller+0x310/0x310
[  902.773912]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  902.778944]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  902.785612]  ? __switch_to_asm+0x40/0x70
[  902.789670]  ? __switch_to_asm+0x34/0x70
[  902.793737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  902.798590]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  902.803975] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  902.804224] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  902.810644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  902.810649] Call Trace:
[  902.810655]  <IRQ>
[  902.810671]  dump_stack+0x244/0x39d
[  902.810689]  ? dump_stack_print_info.cold.1+0x20/0x20
[  902.810717]  warn_alloc.cold.116+0xb7/0x1bd
[  902.821549] syz-executor0 cpuset=syz0 mems_allowed=0
[  902.831064]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  902.831088]  ? lock_downgrade+0x900/0x900
[  902.831110]  ? trace_hardirqs_off+0xb8/0x310
[  902.867651]  ? trace_hardirqs_off+0xb8/0x310
[  902.872074]  __alloc_pages_slowpath+0x26e8/0x2e10
[  902.876947]  ? warn_alloc+0x120/0x120
[  902.880764]  ? print_usage_bug+0xc0/0xc0
[  902.884847]  ? warn_alloc+0x120/0x120
[  902.888652]  ? warn_alloc+0x120/0x120
[  902.892466]  ? print_usage_bug+0xc0/0xc0
[  902.896531]  ? print_usage_bug+0xc0/0xc0
[  902.900593]  ? __lock_acquire+0x62f/0x4c20
[  902.904832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  902.910370]  ? should_fail+0x22d/0xd01
[  902.914257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  902.919355]  ? __lock_acquire+0x62f/0x4c20
[  902.923594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  902.928692]  ? __lock_acquire+0x62f/0x4c20
[  902.932937]  ? should_fail+0x22d/0xd01
[  902.936847]  ? mark_held_locks+0x130/0x130
[  902.941114]  ? mark_held_locks+0x130/0x130
[  902.945352]  ? zap_class+0x640/0x640
[  902.949074]  ? zap_class+0x640/0x640
[  902.952787]  ? print_usage_bug+0xc0/0xc0
[  902.956845]  ? wq_watchdog_touch+0x9c/0xfe
[  902.961083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  902.966628]  ? check_preemption_disabled+0x48/0x280
[  902.971659]  ? __lock_is_held+0xb5/0x140
[  902.975773]  __alloc_pages_nodemask+0xa80/0xde0
[  902.980443]  ? zap_class+0x640/0x640
[  902.984163]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  902.989219]  ? find_held_lock+0x36/0x1c0
[  902.993306]  ? ____cache_alloc_node+0x1c7/0x1e0
[  902.997976]  ? lock_downgrade+0x900/0x900
[  903.002135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.007677]  cache_grow_begin+0xa5/0x8c0
[  903.011741]  ? do_raw_spin_unlock+0xa7/0x330
[  903.016176]  fallback_alloc+0x204/0x2e0
[  903.020159]  ____cache_alloc_node+0x1c7/0x1e0
[  903.024678]  kmem_cache_alloc_node+0xe3/0x730
[  903.029171]  ? ipv6_get_ifaddr+0x42e/0x620
[  903.033428]  __alloc_skb+0x119/0x770
[  903.037155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  903.042442]  ? netdev_alloc_frag+0x1f0/0x1f0
[  903.046847]  ? lock_downgrade+0x900/0x900
[  903.050998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.056531]  ? refcount_sub_and_test_checked+0x203/0x310
[  903.061982]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  903.067455]  ? addrconf_rs_timer+0x690/0x690
[  903.071875]  ndisc_alloc_skb+0x144/0x340
[  903.075939]  ndisc_send_rs+0x331/0x6e0
[  903.079832]  addrconf_rs_timer+0x314/0x690
[  903.084071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  903.088316]  call_timer_fn+0x272/0x920
[  903.092204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  903.096441]  ? process_timeout+0x40/0x40
[  903.100517]  ? mark_held_locks+0xc7/0x130
[  903.104669]  ? _raw_spin_unlock_irq+0x27/0x80
[  903.109167]  ? _raw_spin_unlock_irq+0x27/0x80
[  903.113657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  903.117895]  ? lockdep_hardirqs_on+0x296/0x5b0
[  903.122475]  ? trace_hardirqs_on+0xbd/0x310
[  903.126799]  ? kasan_check_read+0x11/0x20
[  903.130944]  ? __run_timers+0x7da/0xc70
[  903.134918]  ? trace_hardirqs_off_caller+0x310/0x310
[  903.140056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  903.144289]  __run_timers+0x7e5/0xc70
[  903.148101]  ? timer_fixup_init+0x70/0x70
[  903.152250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  903.157262]  ? zap_class+0x640/0x640
[  903.160978]  ? print_usage_bug+0xc0/0xc0
[  903.165037]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  903.170232]  ? find_held_lock+0x36/0x1c0
[  903.174308]  ? zap_class+0x640/0x640
[  903.178022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.183558]  ? check_preemption_disabled+0x48/0x280
[  903.188582]  ? __lock_is_held+0xb5/0x140
[  903.192644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.198183]  ? check_preemption_disabled+0x48/0x280
[  903.203220]  run_timer_softirq+0x52/0xb0
[  903.207279]  ? rcu_read_lock_sched_held+0x14f/0x180
[  903.212293]  __do_softirq+0x308/0xb7e
[  903.216095]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  903.220588]  ? lock_downgrade+0x900/0x900
[  903.224744]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  903.229860]  ? pvclock_read_flags+0x160/0x160
[  903.234363]  ? lapic_next_event+0x5a/0x90
[  903.238515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.244059]  ? kvm_clock_read+0x18/0x30
[  903.248039]  ? kvm_sched_clock_read+0x9/0x20
[  903.252454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  903.257990]  ? check_preemption_disabled+0x48/0x280
[  903.263017]  irq_exit+0x17f/0x1c0
[  903.266477]  smp_apic_timer_interrupt+0x1cb/0x760
[  903.271315]  ? smp_reschedule_interrupt+0x109/0x650
[  903.276343]  ? smp_call_function_single_interrupt+0x650/0x650
[  903.282224]  ? interrupt_entry+0xb5/0xc0
[  903.286304]  ? trace_hardirqs_off_caller+0xbb/0x310
[  903.291319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  903.296336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  903.301178]  ? trace_hardirqs_on_caller+0x310/0x310
[  903.306221]  ? trace_hardirqs_on_caller+0x310/0x310
[  903.311243]  ? task_prio+0x50/0x50
[  903.314822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.320361]  ? check_preemption_disabled+0x48/0x280
[  903.325383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  903.330235]  apic_timer_interrupt+0xf/0x20
[  903.334499]  </IRQ>
[  903.336770] RIP: 0010:dump_stack+0x358/0x39d
[  903.341195] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  903.360095] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  903.367822] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  903.375089] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  903.382356] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  903.389622] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  903.396899] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  903.404206]  ? dump_stack+0x34f/0x39d
[  903.408018]  ? dump_stack_print_info.cold.1+0x20/0x20
[  903.413214]  ? mark_held_locks+0x130/0x130
[  903.417455]  ? mark_held_locks+0x130/0x130
[  903.421695]  dump_header+0x27b/0xf72
[  903.425421]  ? pagefault_out_of_memory+0x197/0x197
[  903.430356]  ? __lock_acquire+0x62f/0x4c20
[  903.434587]  ? percpu_ref_get_many+0x240/0x240
[  903.439168]  ? print_usage_bug+0xc0/0xc0
[  903.443230]  ? zap_class+0x640/0x640
[  903.446946]  ? print_usage_bug+0xc0/0xc0
[  903.451005]  ? print_usage_bug+0xc0/0xc0
[  903.455071]  ? zap_class+0x640/0x640
[  903.458791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.464342]  ? find_held_lock+0x36/0x1c0
[  903.468411]  ? mark_held_locks+0xc7/0x130
[  903.472573]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  903.477674]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  903.482775]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  903.487359]  ? trace_hardirqs_on+0xbd/0x310
[  903.491680]  ? kasan_check_read+0x11/0x20
[  903.495828]  ? ___ratelimit+0x3b4/0x672
[  903.499801]  ? trace_hardirqs_off_caller+0x310/0x310
[  903.504903]  ? trace_hardirqs_on+0x310/0x310
[  903.509311]  ? lock_downgrade+0x900/0x900
[  903.513487]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  903.518592]  ? ___ratelimit+0x3b9/0x672
[  903.522567]  ? idr_get_free+0xf80/0xf80
[  903.526543]  ? find_held_lock+0x36/0x1c0
[  903.530614]  oom_kill_process.cold.27+0x10/0x903
[  903.535368]  ? zap_class+0x640/0x640
[  903.539078]  ? check_preemption_disabled+0x48/0x280
[  903.544094]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  903.549024]  ? kasan_check_read+0x11/0x20
[  903.553167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  903.558445]  ? oom_evaluate_task+0x540/0x540
[  903.562879]  ? find_held_lock+0x36/0x1c0
[  903.566951]  ? out_of_memory+0x974/0x1430
[  903.571121]  ? lock_downgrade+0x900/0x900
[  903.575268]  ? check_preemption_disabled+0x48/0x280
[  903.580294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  903.585216]  ? kasan_check_read+0x11/0x20
[  903.589370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  903.594652]  ? rcu_softirq_qs+0x20/0x20
[  903.598637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  903.604184]  ? oom_evaluate_task+0x302/0x540
[  903.608607]  out_of_memory+0xa84/0x1430
[  903.612589]  ? oom_killer_disable+0x3a0/0x3a0
[  903.617084]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  903.622016]  ? __ww_mutex_check_waiters+0x160/0x160
[  903.627045]  __alloc_pages_slowpath+0x2354/0x2e10
[  903.631911]  ? warn_alloc+0x120/0x120
[  903.635736]  ? mark_held_locks+0x130/0x130
[  903.639989]  ? find_get_entry+0xaae/0x1120
[  903.644239]  ? filemap_map_pages+0x1a20/0x1a20
[  903.648846]  ? zap_class+0x640/0x640
[  903.652566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.658117]  ? check_preemption_disabled+0x48/0x280
[  903.663137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  903.668687]  ? should_fail+0x22d/0xd01
[  903.672585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  903.677738]  ? zap_class+0x640/0x640
[  903.681489]  ? __lock_is_held+0xb5/0x140
[  903.685561]  ? mark_held_locks+0x130/0x130
[  903.689811]  ? lock_release+0xa00/0xa00
[  903.693825]  ? perf_trace_sched_process_exec+0x860/0x860
[  903.699270]  ? xa_load+0x2ba/0x460
[  903.702814]  ? lock_downgrade+0x900/0x900
[  903.706963]  ? __might_sleep+0x95/0x190
[  903.710952]  __alloc_pages_nodemask+0xa80/0xde0
[  903.715628]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  903.720645]  ? __page_cache_alloc+0x191/0x5c0
[  903.725140]  ? xa_load+0x2e1/0x460
[  903.728679]  ? xa_clear_mark+0x40/0x40
[  903.732572]  ? zap_class+0x640/0x640
[  903.736295]  ? zap_class+0x640/0x640
[  903.740007]  ? zap_class+0x640/0x640
[  903.743732]  ? __do_page_cache_readahead+0x663/0x810
[  903.748842]  ? find_held_lock+0x36/0x1c0
[  903.752925]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  903.758471]  alloc_pages_current+0x173/0x350
[  903.762893]  __page_cache_alloc+0x38c/0x5c0
[  903.767211]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  903.772154]  ? kasan_check_read+0x11/0x20
[  903.776303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  903.781588]  ? generic_perform_write+0x6a0/0x6a0
[  903.786343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  903.791880]  ? check_preemption_disabled+0x48/0x280
[  903.796902]  filemap_fault+0x1595/0x25f0
[  903.800986]  ? __lock_page_or_retry+0xa00/0xa00
[  903.805671]  ? mark_held_locks+0x130/0x130
[  903.809951]  ? filemap_map_pages+0xd6b/0x1a20
[  903.814483]  ? lock_downgrade+0x900/0x900
[  903.818630]  ? check_preemption_disabled+0x48/0x280
[  903.823644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  903.828579]  ? kasan_check_read+0x11/0x20
[  903.832744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  903.838058]  ? rcu_softirq_qs+0x20/0x20
[  903.842065]  ? filemap_map_pages+0xd92/0x1a20
[  903.846575]  ? find_get_entries_tag+0x1400/0x1400
[  903.851414]  ? debug_object_destroy+0x2b0/0x2b0
[  903.856130]  ? lock_pi_update_atomic+0x150/0x150
[  903.860885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  903.866440]  ? lock_acquire+0x1ed/0x520
[  903.870442]  ? ext4_filemap_fault+0x7a/0xad
[  903.874805]  ? lock_release+0xa00/0xa00
[  903.878782]  ? perf_trace_sched_process_exec+0x860/0x860
[  903.884233]  ? print_usage_bug+0xc0/0xc0
[  903.888295]  ? print_usage_bug+0xc0/0xc0
[  903.892377]  ? down_read+0x8d/0x120
[  903.896016]  ? ext4_filemap_fault+0x7a/0xad
[  903.900336]  ? __down_interruptible+0x700/0x700
[  903.905040]  ext4_filemap_fault+0x82/0xad
[  903.909219]  __do_fault+0x100/0x6b0
[  903.912845]  ? find_held_lock+0x36/0x1c0
[  903.916909]  ? pmd_devmap_trans_unstable+0x220/0x220
[  903.922014]  ? mark_held_locks+0x130/0x130
[  903.926249]  ? mark_held_locks+0x130/0x130
[  903.930496]  ? _raw_spin_unlock_irq+0x27/0x80
[  903.934994]  ? _raw_spin_unlock_irq+0x27/0x80
[  903.939547]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  903.944136]  ? kasan_check_read+0x11/0x20
[  903.948309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  903.953881]  __handle_mm_fault+0x3ea6/0x5be0
[  903.958299]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  903.963152]  ? finish_task_switch+0x1f4/0x910
[  903.967649]  ? finish_task_switch+0x1b4/0x910
[  903.972146]  ? __switch_to_asm+0x34/0x70
[  903.976217]  ? preempt_notifier_register+0x200/0x200
[  903.981318]  ? __switch_to_asm+0x34/0x70
[  903.985380]  ? __switch_to_asm+0x34/0x70
[  903.989467]  ? zap_class+0x640/0x640
[  903.993180]  ? zap_class+0x640/0x640
[  903.996893]  ? __x64_sys_futex+0x53e/0x6a0
[  904.001136]  ? find_held_lock+0x36/0x1c0
[  904.005223]  ? handle_mm_fault+0x42a/0xc70
[  904.009457]  ? lock_downgrade+0x900/0x900
[  904.013617]  ? check_preemption_disabled+0x48/0x280
[  904.018638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  904.023567]  ? kasan_check_read+0x11/0x20
[  904.027714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  904.032991]  ? rcu_softirq_qs+0x20/0x20
[  904.036968]  ? trace_hardirqs_off_caller+0x310/0x310
[  904.042075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  904.047612]  ? check_preemption_disabled+0x48/0x280
[  904.052637]  handle_mm_fault+0x54f/0xc70
[  904.057423]  ? __handle_mm_fault+0x5be0/0x5be0
[  904.062012]  ? find_vma+0x34/0x190
[  904.065561]  __do_page_fault+0x5e8/0xe60
[  904.069642]  ? trace_hardirqs_off+0xb8/0x310
[  904.074062]  do_page_fault+0xf2/0x7e0
[  904.077879]  ? vmalloc_sync_all+0x30/0x30
[  904.082069]  ? error_entry+0x70/0xd0
[  904.085788]  ? trace_hardirqs_off_caller+0xbb/0x310
[  904.090806]  ? trace_hardirqs_on_caller+0xc0/0x310
[  904.095738]  ? syscall_return_slowpath+0x5e0/0x5e0
[  904.100672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  904.105519]  ? trace_hardirqs_on_caller+0x310/0x310
[  904.110542]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  904.116002]  ? prepare_exit_to_usermode+0x291/0x3b0
[  904.121019]  ? page_fault+0x8/0x30
[  904.124564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  904.129413]  ? page_fault+0x8/0x30
[  904.132966]  page_fault+0x1e/0x30
[  904.136432] RIP: 0033:0x45ddf3
[  904.139644] Code: Bad RIP value.
[  904.143023] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  904.148388] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  904.155663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  904.162927] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  904.170205] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  904.177473] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  904.184762] warn_alloc_show_mem: 1 callbacks suppressed
[  904.184774] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  904.184776] Mem-Info:
[  904.184807] active_anon:53034 inactive_anon:131 isolated_anon:0
[  904.184807]  active_file:14 inactive_file:14 isolated_file:0
[  904.184807]  unevictable:0 dirty:0 writeback:0 unstable:0
[  904.184807]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  904.184807]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  904.184807]  free:13749 free_pcp:564 free_cma:0
[  904.190151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  904.197188] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  904.199603] Call Trace:
[  904.232557] 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
[  904.241904]  <IRQ>
[  904.269298] lowmem_reserve[]: 0 2818 6321 6321
[  904.271894]  dump_stack+0x244/0x39d
[  904.297983] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  904.300144]  ? dump_stack_print_info.cold.1+0x20/0x20
[  904.304697] lowmem_reserve[]: 0 0 3503 3503
[  904.308343]  warn_alloc.cold.116+0xb7/0x1bd
[  904.335814] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  904.341003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  904.345304] lowmem_reserve[]: 0 0 0 0
[  904.349624]  ? lock_downgrade+0x900/0x900
[  904.378665] 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
[  904.383512]  ? trace_hardirqs_off+0xb8/0x310
[  904.387287] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  904.391441]  ? trace_hardirqs_off+0xb8/0x310
[  904.404945] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  904.409368]  __alloc_pages_slowpath+0x26e8/0x2e10
[  904.424529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  904.428981]  ? warn_alloc+0x120/0x120
[  904.444377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  904.449222]  ? warn_alloc+0x120/0x120
[  904.458034] 166 total pagecache pages
[  904.461829]  ? warn_alloc+0x120/0x120
[  904.470388] 0 pages in swap cache
[  904.474189]  ? print_usage_bug+0xc0/0xc0
[  904.477974] Swap cache stats: add 0, delete 0, find 0/0
[  904.481768]  ? print_usage_bug+0xc0/0xc0
[  904.485201] Free swap  = 0kB
[  904.489256]  ? mark_held_locks+0x130/0x130
[  904.494601] Total swap = 0kB
[  904.498657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  904.501665] 1965979 pages RAM
[  904.505895]  ? should_fail+0x22d/0xd01
[  904.508884] 0 pages HighMem/MovableOnly
[  904.508893] 342858 pages reserved
[  904.514439]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  904.517527] 0 pages cma reserved
[  904.521414]  ? __lock_acquire+0x62f/0x4c20
[  904.525435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  904.528808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  904.528821]  ? __lock_acquire+0x62f/0x4c20
[  904.528836]  ? should_fail+0x22d/0xd01
[  904.534068] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  904.537306]  ? mark_held_locks+0x130/0x130
[  904.541532] syz-fuzzer cpuset=/ mems_allowed=0
[  904.548021]  ? mark_held_locks+0x130/0x130
[  904.584452]  ? zap_class+0x640/0x640
[  904.588181]  ? __lock_acquire+0x62f/0x4c20
[  904.592439]  ? zap_class+0x640/0x640
[  904.596154]  ? check_preemption_disabled+0x48/0x280
[  904.601175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  904.606712]  ? check_preemption_disabled+0x48/0x280
[  904.611738]  ? __lock_is_held+0xb5/0x140
[  904.615805]  __alloc_pages_nodemask+0xa80/0xde0
[  904.620474]  ? zap_class+0x640/0x640
[  904.624211]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  904.629239]  ? find_held_lock+0x36/0x1c0
[  904.633308]  ? ____cache_alloc_node+0x1c7/0x1e0
[  904.637977]  ? lock_downgrade+0x900/0x900
[  904.642135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  904.647705]  cache_grow_begin+0xa5/0x8c0
[  904.651784]  ? do_raw_spin_unlock+0xa7/0x330
[  904.656218]  fallback_alloc+0x204/0x2e0
[  904.660206]  ____cache_alloc_node+0x1c7/0x1e0
[  904.664737]  kmem_cache_alloc_node+0xe3/0x730
[  904.669237]  ? zap_class+0x640/0x640
[  904.672960]  __alloc_skb+0x119/0x770
[  904.676700]  ? netdev_alloc_frag+0x1f0/0x1f0
[  904.681109]  ? find_held_lock+0x36/0x1c0
[  904.685183]  ? zap_class+0x640/0x640
[  904.688925]  ? print_usage_bug+0xc0/0xc0
[  904.692992]  ? debug_object_activate+0x402/0x600
[  904.697752]  ? lock_downgrade+0x900/0x900
[  904.701912]  ? print_usage_bug+0xc0/0xc0
[  904.705982]  ? find_held_lock+0x36/0x1c0
[  904.710049]  _sctp_make_chunk+0x58/0x280
[  904.714115]  sctp_make_heartbeat+0x8f/0x430
[  904.718455]  ? sctp_make_violation_max_retrans+0x70/0x70
[  904.724027]  ? __lock_acquire+0x62f/0x4c20
[  904.728284]  ? kasan_check_read+0x11/0x20
[  904.732440]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  904.737644]  sctp_sf_heartbeat.isra.23+0x26/0x180
[  904.742495]  sctp_sf_sendbeat_8_3+0x38e/0x550
[  904.747012]  sctp_do_sm+0x1c1/0x7190
[  904.750744]  ? sctp_do_8_2_transport_strike.isra.19+0x950/0x950
[  904.756819]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  904.762221]  ? mark_held_locks+0x130/0x130
[  904.766460]  ? __lock_acquire+0x62f/0x4c20
[  904.770717]  ? mark_held_locks+0x130/0x130
[  904.774952]  ? zap_class+0x640/0x640
[  904.778669]  ? kasan_check_read+0x11/0x20
[  904.782834]  ? do_raw_spin_unlock+0xa7/0x330
[  904.787240]  ? do_raw_spin_trylock+0x270/0x270
[  904.791831]  ? zap_class+0x640/0x640
[  904.795550]  ? sctp_generate_heartbeat_event+0xa4/0x450
[  904.800929]  ? kasan_check_read+0x11/0x20
[  904.805079]  ? do_raw_spin_lock+0x14f/0x350
[  904.809421]  sctp_generate_heartbeat_event+0x218/0x450
[  904.814720]  call_timer_fn+0x272/0x920
[  904.818610]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  904.823802]  ? process_timeout+0x40/0x40
[  904.827872]  ? __run_timers+0x7da/0xc70
[  904.832380]  ? _raw_spin_unlock_irq+0x27/0x80
[  904.836881]  ? _raw_spin_unlock_irq+0x27/0x80
[  904.841380]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  904.846579]  ? lockdep_hardirqs_on+0x296/0x5b0
[  904.851160]  ? trace_hardirqs_on+0xbd/0x310
[  904.855480]  ? kasan_check_read+0x11/0x20
[  904.859625]  ? __run_timers+0x7da/0xc70
[  904.863615]  ? trace_hardirqs_off_caller+0x310/0x310
[  904.868737]  ? ip_vs_lblc_done_svc+0x370/0x370
[  904.873337]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  904.878527]  __run_timers+0x7e5/0xc70
[  904.882341]  ? timer_fixup_init+0x70/0x70
[  904.886490]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  904.891509]  ? zap_class+0x640/0x640
[  904.895231]  ? enqueue_hrtimer+0x1a5/0x560
[  904.899470]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  904.904677]  ? find_held_lock+0x36/0x1c0
[  904.908759]  ? zap_class+0x640/0x640
[  904.912491]  ? pvclock_read_flags+0x160/0x160
[  904.916989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  904.922527]  ? check_preemption_disabled+0x48/0x280
[  904.927570]  ? __lock_is_held+0xb5/0x140
[  904.931634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  904.937173]  ? check_preemption_disabled+0x48/0x280
[  904.942197]  run_timer_softirq+0x52/0xb0
[  904.946263]  ? rcu_read_lock_sched_held+0x14f/0x180
[  904.951280]  __do_softirq+0x308/0xb7e
[  904.955089]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  904.959585]  ? lock_downgrade+0x900/0x900
[  904.963742]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  904.968853]  ? pvclock_read_flags+0x160/0x160
[  904.973351]  ? lapic_next_event+0x5a/0x90
[  904.977522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  904.983065]  ? kvm_clock_read+0x18/0x30
[  904.987040]  ? kvm_sched_clock_read+0x9/0x20
[  904.991531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  904.997084]  ? check_preemption_disabled+0x48/0x280
[  905.002112]  irq_exit+0x17f/0x1c0
[  905.005575]  smp_apic_timer_interrupt+0x1cb/0x760
[  905.010439]  ? smp_reschedule_interrupt+0x109/0x650
[  905.015461]  ? smp_call_function_single_interrupt+0x650/0x650
[  905.021371]  ? interrupt_entry+0xb5/0xc0
[  905.025437]  ? trace_hardirqs_off_caller+0xbb/0x310
[  905.030454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  905.035469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  905.040323]  ? trace_hardirqs_on_caller+0x310/0x310
[  905.045341]  ? trace_hardirqs_on_caller+0x310/0x310
[  905.050395]  ? task_prio+0x50/0x50
[  905.053973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.059510]  ? check_preemption_disabled+0x48/0x280
[  905.064546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  905.069419]  apic_timer_interrupt+0xf/0x20
[  905.073661]  </IRQ>
[  905.075906] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  905.081835] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  905.100766] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  905.108492] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  905.115762] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  905.123028] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  905.130320] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  905.137598] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  905.144898]  ? save_stack+0xa9/0xd0
[  905.148545]  __kmalloc_node_track_caller+0x3c/0x70
[  905.153522]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  905.158300]  pskb_expand_head+0x230/0x10f0
[  905.162533]  ? check_preemption_disabled+0x48/0x280
[  905.167579]  ? memcpy+0x45/0x50
[  905.170874]  ? __copy_skb_header+0x350/0x6b0
[  905.175302]  ? skb_release_data+0x880/0x880
[  905.179638]  ? __alloc_skb+0x770/0x770
[  905.183535]  ? __lock_is_held+0xb5/0x140
[  905.187610]  ? kasan_check_write+0x14/0x20
[  905.191845]  ? __skb_clone+0x6c7/0xa00
[  905.195735]  ? __copy_skb_header+0x6b0/0x6b0
[  905.200144]  ? kmem_cache_alloc+0x33a/0x730
[  905.204469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.210020]  skb_ensure_writable+0x3dd/0x640
[  905.214453]  ? skb_checksum_setup+0xaa0/0xaa0
[  905.218967]  ? preempt_notifier_register+0x200/0x200
[  905.224068]  ? __switch_to_asm+0x34/0x70
[  905.228130]  ? __switch_to_asm+0x34/0x70
[  905.232206]  ? __switch_to_asm+0x40/0x70
[  905.236267]  ? __switch_to_asm+0x34/0x70
[  905.240330]  ? __switch_to_asm+0x40/0x70
[  905.244395]  ? __switch_to_asm+0x40/0x70
[  905.248466]  ? __switch_to_asm+0x34/0x70
[  905.252529]  ? __switch_to_asm+0x34/0x70
[  905.256635]  ? __switch_to_asm+0x40/0x70
[  905.260697]  ? __switch_to_asm+0x34/0x70
[  905.264771]  bpf_clone_redirect+0x14a/0x490
[  905.269109]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  905.274128]  ? __sched_text_start+0x8/0x8
[  905.278283]  ? retint_kernel+0x2d/0x2d
[  905.282186]  ? find_held_lock+0x36/0x1c0
[  905.286258]  ? lock_acquire+0x1ed/0x520
[  905.290237]  ? bpf_test_run+0x3cb/0x780
[  905.294236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.299779]  ? check_preemption_disabled+0x48/0x280
[  905.304817]  ? kasan_check_read+0x11/0x20
[  905.308964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  905.314245]  ? rcu_softirq_qs+0x20/0x20
[  905.318227]  ? preempt_schedule+0x4d/0x60
[  905.322375]  ? ___preempt_schedule+0x16/0x18
[  905.326798]  ? bpf_test_run+0x25d/0x780
[  905.330784]  ? netlink_diag_dump+0x2a0/0x2a0
[  905.335198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  905.340751]  ? bpf_test_init.isra.10+0x70/0x100
[  905.345443]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  905.350233]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  905.355113]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  905.360658]  ? fput+0x130/0x1a0
[  905.363949]  ? __bpf_prog_get+0x9b/0x290
[  905.368018]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  905.372863]  ? bpf_prog_test_run+0x130/0x1a0
[  905.377275]  ? __x64_sys_bpf+0x3d8/0x520
[  905.381337]  ? bpf_prog_get+0x20/0x20
[  905.385171]  ? do_syscall_64+0x1b9/0x820
[  905.389233]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  905.394614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  905.399548]  ? trace_hardirqs_on_caller+0x310/0x310
[  905.404573]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  905.409595]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  905.416274]  ? __switch_to_asm+0x40/0x70
[  905.420336]  ? __switch_to_asm+0x34/0x70
[  905.424422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  905.429274]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  905.434657] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  905.434689] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  905.441328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  905.441336] Call Trace:
[  905.447555] rcu: 	(detected by 1, t=10678 jiffies, g=114517, q=23)
[  905.456900]  <IRQ>
[  905.459504] rcu: All QSes seen, last rcu_preempt kthread activity 10315 (4295027692-4295017377), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  905.465807]  dump_stack+0x244/0x39d
[  905.467938] syz-executor0   R  running task    20712 11503   5736 0x8000000c
[  905.480583]  ? dump_stack_print_info.cold.1+0x20/0x20
[  905.484183] Call Trace:
[  905.491391]  warn_alloc.cold.116+0xb7/0x1bd
[  905.496572]  <IRQ>
[  905.499149]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  905.503466]  sched_show_task.cold.81+0x2b6/0x30a
[  905.505623]  ? lock_downgrade+0x900/0x900
[  905.510452]  ? can_nice.part.74+0x20/0x20
[  905.515212]  ? trace_hardirqs_off+0xb8/0x310
[  905.519354]  ? vprintk_default+0x28/0x30
[  905.523499]  ? trace_hardirqs_off+0xb8/0x310
[  905.527888]  ? vprintk_func+0x85/0x181
[  905.531937]  __alloc_pages_slowpath+0x26e8/0x2e10
[  905.536326]  ? vprintk_func+0x85/0x181
[  905.540226]  ? warn_alloc+0x120/0x120
[  905.545036]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  905.548910]  ? warn_alloc+0x120/0x120
[  905.552697]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  905.557445]  ? warn_alloc+0x120/0x120
[  905.561269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.566009]  ? print_usage_bug+0xc0/0xc0
[  905.569819]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  905.575335]  ? warn_alloc+0x120/0x120
[  905.579381]  ? print_usage_bug+0xc0/0xc0
[  905.584641]  ? print_usage_bug+0xc0/0xc0
[  905.588434]  ? rcu_qs+0x110/0x110
[  905.592488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  905.596545]  ? zap_class+0x640/0x640
[  905.599976]  ? should_fail+0x22d/0xd01
[  905.605507]  ? print_usage_bug+0xc0/0xc0
[  905.609205]  ? __lock_acquire+0x62f/0x4c20
[  905.613080]  ? kasan_check_read+0x11/0x20
[  905.617131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  905.621351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.625486]  ? __lock_acquire+0x62f/0x4c20
[  905.630576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.636098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  905.640323]  ? do_trace_rcu_torture_read+0x10/0x10
[  905.645846]  ? __lock_acquire+0x62f/0x4c20
[  905.650943]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  905.655867]  ? should_fail+0x22d/0xd01
[  905.660085]  ? __lock_is_held+0xb5/0x140
[  905.665356]  ? mark_held_locks+0x130/0x130
[  905.669227]  ? __rcu_read_lock+0x50/0x50
[  905.673297]  ? mark_held_locks+0x130/0x130
[  905.677521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.681573]  ? mark_held_locks+0x130/0x130
[  905.685797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.691318]  ? zap_class+0x640/0x640
[  905.695542]  ? check_preemption_disabled+0x48/0x280
[  905.701066]  ? print_usage_bug+0xc0/0xc0
[  905.704781]  rcu_check_callbacks+0xfd7/0x13f0
[  905.709796]  ? mark_held_locks+0x130/0x130
[  905.713845]  ? rcutree_dead_cpu+0x10/0x10
[  905.718325]  ? print_usage_bug+0xc0/0xc0
[  905.722558]  ? lock_downgrade+0x900/0x900
[  905.726696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.730769]  ? lock_release+0x990/0xa00
[  905.735167]  ? check_preemption_disabled+0x48/0x280
[  905.740711]  ? zap_class+0x640/0x640
[  905.744675]  ? __lock_is_held+0xb5/0x140
[  905.749670]  ? zap_class+0x640/0x640
[  905.753373]  __alloc_pages_nodemask+0xa80/0xde0
[  905.757423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.761138]  ? zap_class+0x640/0x640
[  905.765796]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  905.771341]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  905.775045]  ? kvm_set_tsc_khz+0x540/0x540
[  905.779618]  ? find_held_lock+0x36/0x1c0
[  905.784615]  ? warn_alloc.cold.116+0xd1/0x1bd
[  905.788863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  905.792905]  ? find_held_lock+0x36/0x1c0
[  905.797405]  ? lock_downgrade+0x900/0x900
[  905.802069]  ? zap_class+0x640/0x640
[  905.806129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.810265]  ? timekeeping_advance+0x3cc/0xc00
[  905.813976]  cache_grow_begin+0xa5/0x8c0
[  905.819495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.824064]  ? do_raw_spin_unlock+0xa7/0x330
[  905.828119]  ? check_preemption_disabled+0x48/0x280
[  905.833650]  fallback_alloc+0x204/0x2e0
[  905.838047]  ? trace_hardirqs_off+0xb8/0x310
[  905.843051]  ____cache_alloc_node+0x1c7/0x1e0
[  905.847010]  ? __lock_is_held+0xb5/0x140
[  905.851404]  kmem_cache_alloc_node+0xe3/0x730
[  905.855930]  ? trace_hardirqs_on+0x310/0x310
[  905.859966]  ? ipv6_get_ifaddr+0x42e/0x620
[  905.864449]  ? check_preemption_disabled+0x48/0x280
[  905.868850]  __alloc_skb+0x119/0x770
[  905.873071]  ? raise_softirq+0x199/0x420
[  905.878073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  905.881774]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  905.885825]  ? netdev_alloc_frag+0x1f0/0x1f0
[  905.891093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.895762]  ? lock_downgrade+0x900/0x900
[  905.900162]  ? check_preemption_disabled+0x48/0x280
[  905.905687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  905.909855]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  905.914872]  ? refcount_sub_and_test_checked+0x203/0x310
[  905.920395]  ? hrtimer_run_queues+0x9a/0x400
[  905.925939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  905.931391]  ? run_local_timers+0x19b/0x230
[  905.935788]  ? addrconf_rs_timer+0x690/0x690
[  905.941341]  ? timer_clear_idle+0x90/0x90
[  905.945672]  ndisc_alloc_skb+0x144/0x340
[  905.950058]  ? debug_smp_processor_id+0x1c/0x20
[  905.954198]  ndisc_send_rs+0x331/0x6e0
[  905.958248]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  905.962915]  addrconf_rs_timer+0x314/0x690
[  905.966803]  ? account_process_tick+0x282/0x350
[  905.972776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  905.977016]  update_process_times+0x2d/0x70
[  905.981693]  call_timer_fn+0x272/0x920
[  905.985915]  tick_sched_handle+0x9f/0x180
[  905.990222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  905.994113]  tick_sched_timer+0x45/0x130
[  905.998258]  ? process_timeout+0x40/0x40
[  906.002485]  __hrtimer_run_queues+0x41c/0x10d0
[  906.006539]  ? mark_held_locks+0xc7/0x130
[  906.010585]  ? tick_sched_do_timer+0x1a0/0x1a0
[  906.015159]  ? _raw_spin_unlock_irq+0x27/0x80
[  906.019314]  ? hrtimer_start_range_ns+0xe00/0xe00
[  906.023902]  ? _raw_spin_unlock_irq+0x27/0x80
[  906.028419]  ? pvclock_read_flags+0x160/0x160
[  906.033255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  906.037743]  ? trace_hardirqs_on+0x310/0x310
[  906.042237]  ? lockdep_hardirqs_on+0x296/0x5b0
[  906.046482]  ? zap_class+0x640/0x640
[  906.050895]  ? trace_hardirqs_on+0xbd/0x310
[  906.055486]  ? kvm_clock_read+0x18/0x30
[  906.059188]  ? kasan_check_read+0x11/0x20
[  906.063496]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  906.067456]  ? __run_timers+0x7da/0xc70
[  906.071598]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  906.076604]  ? trace_hardirqs_off_caller+0x310/0x310
[  906.080571]  ? do_timer+0x50/0x50
[  906.085940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  906.091045]  ? rwlock_bug.part.2+0x90/0x90
[  906.094484]  __run_timers+0x7e5/0xc70
[  906.098708]  ? trace_hardirqs_on+0x310/0x310
[  906.102935]  ? timer_fixup_init+0x70/0x70
[  906.106723]  ? rcu_softirq_qs+0x20/0x20
[  906.111123]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  906.115277]  hrtimer_interrupt+0x313/0x780
[  906.119260]  ? zap_class+0x640/0x640
[  906.124285]  smp_apic_timer_interrupt+0x1a1/0x760
[  906.128493]  ? print_usage_bug+0xc0/0xc0
[  906.132196]  ? smp_call_function_single_interrupt+0x650/0x650
[  906.137024]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  906.141075]  ? interrupt_entry+0xb5/0xc0
[  906.146949]  ? find_held_lock+0x36/0x1c0
[  906.152123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  906.156171]  ? zap_class+0x640/0x640
[  906.160222]  ? ____cache_alloc_node+0x1c7/0x1e0
[  906.165235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.168952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  906.173606]  ? check_preemption_disabled+0x48/0x280
[  906.179130]  ? trace_hardirqs_on_caller+0x310/0x310
[  906.183971]  ? __lock_is_held+0xb5/0x140
[  906.188988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  906.194015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.198088]  apic_timer_interrupt+0xf/0x20
[  906.202914]  ? check_preemption_disabled+0x48/0x280
[  906.208448] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  906.212667]  run_timer_softirq+0x52/0xb0
[  906.217674] Code: 3f 7e 0f 85 32 ff ff ff e8 65 5d 3e ff e9 28 ff ff ff e8 9c 6c c3 ff 48 83 3d d4 db 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 c2 13
[  906.223030]  ? rcu_read_lock_sched_held+0x14f/0x180
[  906.227088] RSP: 0000:ffff8801daf06fe0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  906.245982]  __do_softirq+0x308/0xb7e
[  906.250984] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10032a39d1e
[  906.258681]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  906.262467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  906.269751]  ? lock_downgrade+0x900/0x900
[  906.274244] RBP: ffff8801daf07050 R08: ffff8801951ce8f0 R09: 0000000000000002
[  906.281507]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  906.285638] R10: 0000000000000000 R11: ffff8801951ce000 R12: ffff8801d9bccc00
[  906.292908]  ? pvclock_read_flags+0x160/0x160
[  906.297993] R13: ffff8801d9bccc00 R14: 0000000000000000 R15: 0000000000000286
[  906.305283]  ? lapic_next_event+0x5a/0x90
[  906.309782]  ? apic_timer_interrupt+0xa/0x20
[  906.317052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.321201]  ? zap_class+0x640/0x640
[  906.325602]  ? kvm_clock_read+0x18/0x30
[  906.331131]  __alloc_skb+0x119/0x770
[  906.334829]  ? kvm_sched_clock_read+0x9/0x20
[  906.338824]  ? netdev_alloc_frag+0x1f0/0x1f0
[  906.342557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  906.346953]  ? find_held_lock+0x36/0x1c0
[  906.351355]  ? check_preemption_disabled+0x48/0x280
[  906.356879]  ? zap_class+0x640/0x640
[  906.360931]  irq_exit+0x17f/0x1c0
[  906.365937]  ? print_usage_bug+0xc0/0xc0
[  906.369642]  smp_apic_timer_interrupt+0x1cb/0x760
[  906.373086]  ? debug_object_activate+0x402/0x600
[  906.377138]  ? smp_reschedule_interrupt+0x109/0x650
[  906.381967]  ? lock_downgrade+0x900/0x900
[  906.386728]  ? smp_call_function_single_interrupt+0x650/0x650
[  906.391731]  ? print_usage_bug+0xc0/0xc0
[  906.395879]  ? interrupt_entry+0xb5/0xc0
[  906.401764]  ? find_held_lock+0x36/0x1c0
[  906.405825]  ? trace_hardirqs_off_caller+0xbb/0x310
[  906.409876]  _sctp_make_chunk+0x58/0x280
[  906.413920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  906.413940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  906.418951]  sctp_make_heartbeat+0x8f/0x430
[  906.422994]  ? trace_hardirqs_on_caller+0x310/0x310
[  906.427999]  ? sctp_make_violation_max_retrans+0x70/0x70
[  906.432828]  ? trace_hardirqs_on_caller+0x310/0x310
[  906.437136]  ? __lock_acquire+0x62f/0x4c20
[  906.442157]  ? task_prio+0x50/0x50
[  906.447595]  ? kasan_check_read+0x11/0x20
[  906.452597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.456811]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  906.460336]  ? check_preemption_disabled+0x48/0x280
[  906.464476]  sctp_sf_heartbeat.isra.23+0x26/0x180
[  906.470023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  906.475202]  sctp_sf_sendbeat_8_3+0x38e/0x550
[  906.480218]  apic_timer_interrupt+0xf/0x20
[  906.485043]  sctp_do_sm+0x1c1/0x7190
[  906.489857]  </IRQ>
[  906.494366]  ? sctp_do_8_2_transport_strike.isra.19+0x950/0x950
[  906.498574] RIP: 0010:dump_stack+0x358/0x39d
[  906.502269]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  906.504490] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  906.510542]  ? mark_held_locks+0x130/0x130
[  906.514915] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  906.520297]  ? __lock_acquire+0x62f/0x4c20
[  906.539183] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  906.543417]  ? mark_held_locks+0x130/0x130
[  906.551101] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  906.555322]  ? zap_class+0x640/0x640
[  906.562580] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  906.566805]  ? kasan_check_read+0x11/0x20
[  906.574054] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  906.577773]  ? do_raw_spin_unlock+0xa7/0x330
[  906.585025] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  906.589162]  ? do_raw_spin_trylock+0x270/0x270
[  906.596450]  ? dump_stack+0x34f/0x39d
[  906.600845]  ? zap_class+0x640/0x640
[  906.608107]  ? dump_stack_print_info.cold.1+0x20/0x20
[  906.612681]  ? sctp_generate_heartbeat_event+0xa4/0x450
[  906.616466]  ? mark_held_locks+0x130/0x130
[  906.620190]  ? kasan_check_read+0x11/0x20
[  906.625363]  ? mark_held_locks+0x130/0x130
[  906.630720]  ? do_raw_spin_lock+0x14f/0x350
[  906.634960]  dump_header+0x27b/0xf72
[  906.639104]  sctp_generate_heartbeat_event+0x218/0x450
[  906.643321]  ? pagefault_out_of_memory+0x197/0x197
[  906.647639]  call_timer_fn+0x272/0x920
[  906.651351]  ? __lock_acquire+0x62f/0x4c20
[  906.656614]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  906.661532]  ? percpu_ref_get_many+0x240/0x240
[  906.665412]  ? process_timeout+0x40/0x40
[  906.669646]  ? print_usage_bug+0xc0/0xc0
[  906.674830]  ? __run_timers+0x7da/0xc70
[  906.679402]  ? zap_class+0x640/0x640
[  906.683457]  ? _raw_spin_unlock_irq+0x27/0x80
[  906.687503]  ? print_usage_bug+0xc0/0xc0
[  906.691466]  ? _raw_spin_unlock_irq+0x27/0x80
[  906.695166]  ? print_usage_bug+0xc0/0xc0
[  906.699651]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  906.703701]  ? zap_class+0x640/0x640
[  906.708183]  ? lockdep_hardirqs_on+0x296/0x5b0
[  906.712230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.717418]  ? trace_hardirqs_on+0xbd/0x310
[  906.721112]  ? find_held_lock+0x36/0x1c0
[  906.725865]  ? kasan_check_read+0x11/0x20
[  906.725880]  ? __run_timers+0x7da/0xc70
[  906.731434]  ? mark_held_locks+0xc7/0x130
[  906.735727]  ? trace_hardirqs_off_caller+0x310/0x310
[  906.739786]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  906.743940]  ? ip_vs_lblc_done_svc+0x370/0x370
[  906.747901]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  906.752042]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  906.757131]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  906.762220]  __run_timers+0x7e5/0xc70
[  906.766790]  ? trace_hardirqs_on+0xbd/0x310
[  906.771883]  ? timer_fixup_init+0x70/0x70
[  906.777061]  ? kasan_check_read+0x11/0x20
[  906.781628]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  906.785427]  ? ___ratelimit+0x3b4/0x672
[  906.789739]  ? zap_class+0x640/0x640
[  906.793889]  ? trace_hardirqs_off_caller+0x310/0x310
[  906.798024]  ? enqueue_hrtimer+0x1a5/0x560
[  906.803026]  ? trace_hardirqs_on+0x310/0x310
[  906.806988]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  906.810689]  ? lock_downgrade+0x900/0x900
[  906.815782]  ? find_held_lock+0x36/0x1c0
[  906.820005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  906.824396]  ? zap_class+0x640/0x640
[  906.829629]  ? ___ratelimit+0x3b9/0x672
[  906.829639]  ? idr_get_free+0xf80/0xf80
[  906.829661]  ? find_held_lock+0x36/0x1c0
[  906.829686]  oom_kill_process.cold.27+0x10/0x903
[  906.829693]  ? zap_class+0x640/0x640
[  906.829702]  ? check_preemption_disabled+0x48/0x280
[  906.829711]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  906.829718]  ? kasan_check_read+0x11/0x20
[  906.829725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  906.829733]  ? oom_evaluate_task+0x540/0x540
[  906.829742]  ? find_held_lock+0x36/0x1c0
[  906.829753]  ? out_of_memory+0x974/0x1430
[  906.829761]  ? lock_downgrade+0x900/0x900
[  906.829768]  ? check_preemption_disabled+0x48/0x280
[  906.829777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  906.829784]  ? kasan_check_read+0x11/0x20
[  906.829790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  906.829797]  ? rcu_softirq_qs+0x20/0x20
[  906.829806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  906.829813]  ? oom_evaluate_task+0x302/0x540
[  906.829822]  out_of_memory+0xa84/0x1430
[  906.829833]  ? oom_killer_disable+0x3a0/0x3a0
[  906.829841]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  906.829849]  ? __ww_mutex_check_waiters+0x160/0x160
[  906.829862]  __alloc_pages_slowpath+0x2354/0x2e10
[  906.829883]  ? warn_alloc+0x120/0x120
[  906.829889]  ? mark_held_locks+0x130/0x130
[  906.829900]  ? find_get_entry+0xaae/0x1120
[  906.829911]  ? filemap_map_pages+0x1a20/0x1a20
[  906.829923]  ? zap_class+0x640/0x640
[  906.829940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.829956]  ? check_preemption_disabled+0x48/0x280
[  906.834097]  ? pvclock_read_flags+0x160/0x160
[  906.838155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  906.843244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.846958]  ? should_fail+0x22d/0xd01
[  906.850926]  ? check_preemption_disabled+0x48/0x280
[  906.854883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  906.858942]  ? __lock_is_held+0xb5/0x140
[  906.863678]  ? zap_class+0x640/0x640
[  906.867384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.872404]  ? __lock_is_held+0xb5/0x140
[  906.877302]  ? check_preemption_disabled+0x48/0x280
[  906.881444]  ? mark_held_locks+0x130/0x130
[  906.886704]  run_timer_softirq+0x52/0xb0
[  906.891099]  ? lock_release+0xa00/0xa00
[  906.895161]  ? rcu_read_lock_sched_held+0x14f/0x180
[  906.899296]  ? perf_trace_sched_process_exec+0x860/0x860
[  906.903444]  __do_softirq+0x308/0xb7e
[  906.908453]  ? xa_load+0x2ba/0x460
[  906.913369]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  906.917504]  ? lock_downgrade+0x900/0x900
[  906.922769]  ? lock_downgrade+0x900/0x900
[  906.926754]  ? __might_sleep+0x95/0x190
[  906.932288]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  906.936685]  __alloc_pages_nodemask+0xa80/0xde0
[  906.940650]  ? pvclock_read_flags+0x160/0x160
[  906.945152]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  906.950077]  ? lapic_next_event+0x5a/0x90
[  906.955077]  ? __page_cache_alloc+0x191/0x5c0
[  906.959923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.963720]  ? xa_load+0x2e1/0x460
[  906.967951]  ? kvm_clock_read+0x18/0x30
[  906.972172]  ? xa_clear_mark+0x40/0x40
[  906.976743]  ? kvm_sched_clock_read+0x9/0x20
[  906.980445]  ? zap_class+0x640/0x640
[  906.985974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  906.990980]  ? zap_class+0x640/0x640
[  906.995464]  ? check_preemption_disabled+0x48/0x280
[  907.000986]  ? zap_class+0x640/0x640
[  907.006518]  irq_exit+0x17f/0x1c0
[  907.010409]  ? __do_page_cache_readahead+0x663/0x810
[  907.015426]  smp_apic_timer_interrupt+0x1cb/0x760
[  907.020518]  ? find_held_lock+0x36/0x1c0
[  907.024573]  ? smp_reschedule_interrupt+0x109/0x650
[  907.028279]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  907.033834]  ? smp_call_function_single_interrupt+0x650/0x650
[  907.037882]  alloc_pages_current+0x173/0x350
[  907.042884]  ? interrupt_entry+0xb5/0xc0
[  907.047109]  __page_cache_alloc+0x38c/0x5c0
[  907.051156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  907.055115]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  907.060120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  907.065569]  ? kasan_check_read+0x11/0x20
[  907.069356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  907.072882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  907.077364]  ? trace_hardirqs_on_caller+0x310/0x310
[  907.081500]  ? generic_perform_write+0x6a0/0x6a0
[  907.085635]  ? trace_hardirqs_on_caller+0x310/0x310
[  907.089609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  907.094710]  ? task_prio+0x50/0x50
[  907.099368]  ? check_preemption_disabled+0x48/0x280
[  907.103854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  907.108866]  filemap_fault+0x1595/0x25f0
[  907.113020]  ? check_preemption_disabled+0x48/0x280
[  907.117514]  ? __lock_page_or_retry+0xa00/0xa00
[  907.123030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  907.126599]  ? mark_held_locks+0x130/0x130
[  907.130575]  apic_timer_interrupt+0xf/0x20
[  907.134453]  ? filemap_map_pages+0xd6b/0x1a20
[  907.138832]  </IRQ>
[  907.142540]  ? lock_downgrade+0x900/0x900
[  907.148070] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  907.151791]  ? check_preemption_disabled+0x48/0x280
[  907.156817] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  907.160530]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  907.163990] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  907.169106]  ? kasan_check_read+0x11/0x20
[  907.173944] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  907.178024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  907.183022] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  907.188549]  ? rcu_softirq_qs+0x20/0x20
[  907.194435] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  907.198846]  ? filemap_map_pages+0xd92/0x1a20
[  907.202880] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  907.207209]  ? find_get_entries_tag+0x1400/0x1400
[  907.212200] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  907.217124]  ? debug_object_destroy+0x2b0/0x2b0
[  907.222143]  ? save_stack+0xa9/0xd0
[  907.226267]  ? lock_pi_update_atomic+0x150/0x150
[  907.231099]  __kmalloc_node_track_caller+0x3c/0x70
[  907.236361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  907.241369]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  907.246117]  ? lock_acquire+0x1ed/0x520
[  907.251135]  pskb_expand_head+0x230/0x10f0
[  907.256684]  ? ext4_filemap_fault+0x7a/0xad
[  907.260215]  ? check_preemption_disabled+0x48/0x280
[  907.265233]  ? lock_release+0xa00/0xa00
[  907.270752]  ? memcpy+0x45/0x50
[  907.274805]  ? perf_trace_sched_process_exec+0x860/0x860
[  907.279806]  ? __copy_skb_header+0x350/0x6b0
[  907.284464]  ? print_usage_bug+0xc0/0xc0
[  907.289310]  ? skb_release_data+0x880/0x880
[  907.293535]  ? print_usage_bug+0xc0/0xc0
[  907.297754]  ? __alloc_skb+0x770/0x770
[  907.302241]  ? down_read+0x8d/0x120
[  907.304467]  ? __lock_is_held+0xb5/0x140
[  907.308616]  ? ext4_filemap_fault+0x7a/0xad
[  907.314499]  ? kasan_check_write+0x14/0x20
[  907.319522]  ? __down_interruptible+0x700/0x700
[  907.338418]  ? __skb_clone+0x6c7/0xa00
[  907.343343]  ext4_filemap_fault+0x82/0xad
[  907.351034]  ? __copy_skb_header+0x6b0/0x6b0
[  907.355171]  __do_fault+0x100/0x6b0
[  907.362447]  ? kmem_cache_alloc+0x33a/0x730
[  907.367712]  ? find_held_lock+0x36/0x1c0
[  907.374974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  907.378939]  ? pmd_devmap_trans_unstable+0x220/0x220
[  907.386202]  skb_ensure_writable+0x3dd/0x640
[  907.390680]  ? mark_held_locks+0x130/0x130
[  907.397955]  ? skb_checksum_setup+0xaa0/0xaa0
[  907.402781]  ? mark_held_locks+0x130/0x130
[  907.410042]  ? preempt_notifier_register+0x200/0x200
[  907.414690]  ? _raw_spin_unlock_irq+0x27/0x80
[  907.418310]  ? __switch_to_asm+0x34/0x70
[  907.423048]  ? _raw_spin_unlock_irq+0x27/0x80
[  907.427966]  ? __switch_to_asm+0x34/0x70
[  907.433490]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  907.438232]  ? __switch_to_asm+0x40/0x70
[  907.442189]  ? kasan_check_read+0x11/0x20
[  907.446415]  ? __switch_to_asm+0x34/0x70
[  907.450731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  907.455733]  ? __switch_to_asm+0x40/0x70
[  907.459692]  __handle_mm_fault+0x3ea6/0x5be0
[  907.462957]  ? __switch_to_asm+0x40/0x70
[  907.468394]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  907.472791]  ? __switch_to_asm+0x34/0x70
[  907.476852]  ? finish_task_switch+0x1f4/0x910
[  907.481157]  ? __switch_to_asm+0x34/0x70
[  907.485206]  ? finish_task_switch+0x1b4/0x910
[  907.489081]  ? __switch_to_asm+0x40/0x70
[  907.492698]  ? __switch_to_asm+0x34/0x70
[  907.496752]  ? __switch_to_asm+0x34/0x70
[  907.501060]  ? preempt_notifier_register+0x200/0x200
[  907.505280]  bpf_clone_redirect+0x14a/0x490
[  907.509938]  ? __switch_to_asm+0x34/0x70
[  907.513819]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  907.517953]  ? __switch_to_asm+0x34/0x70
[  907.522360]  ? __sched_text_start+0x8/0x8
[  907.525996]  ? zap_class+0x640/0x640
[  907.530293]  ? retint_kernel+0x2d/0x2d
[  907.534337]  ? zap_class+0x640/0x640
[  907.539864]  ? find_held_lock+0x36/0x1c0
[  907.544947]  ? __x64_sys_futex+0x53e/0x6a0
[  907.549347]  ? lock_acquire+0x1ed/0x520
[  907.553567]  ? find_held_lock+0x36/0x1c0
[  907.558053]  ? bpf_test_run+0x3cb/0x780
[  907.562280]  ? handle_mm_fault+0x42a/0xc70
[  907.567394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  907.571882]  ? lock_downgrade+0x900/0x900
[  907.575944]  ? check_preemption_disabled+0x48/0x280
[  907.580455]  ? check_preemption_disabled+0x48/0x280
[  907.584513]  ? kasan_check_read+0x11/0x20
[  907.589101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  907.593148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  907.597286]  ? kasan_check_read+0x11/0x20
[  907.601335]  ? rcu_softirq_qs+0x20/0x20
[  907.606860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  907.610906]  ? preempt_schedule+0x4d/0x60
[  907.615298]  ? rcu_softirq_qs+0x20/0x20
[  907.619353]  ? ___preempt_schedule+0x16/0x18
[  907.624185]  ? trace_hardirqs_off_caller+0x310/0x310
[  907.628236]  ? bpf_test_run+0x25d/0x780
[  907.632720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  907.636775]  ? netlink_diag_dump+0x2a0/0x2a0
[  907.641259]  ? check_preemption_disabled+0x48/0x280
[  907.645304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  907.649376]  handle_mm_fault+0x54f/0xc70
[  907.653438]  ? bpf_test_init.isra.10+0x70/0x100
[  907.658532]  ? __handle_mm_fault+0x5be0/0x5be0
[  907.662842]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  907.666892]  ? find_vma+0x34/0x190
[  907.671902]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  907.675947]  __do_page_fault+0x5e8/0xe60
[  907.680087]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  907.683791]  ? trace_hardirqs_off+0xb8/0x310
[  907.687682]  ? fput+0x130/0x1a0
[  907.691400]  do_page_fault+0xf2/0x7e0
[  907.695462]  ? __bpf_prog_get+0x9b/0x290
[  907.699689]  ? vmalloc_sync_all+0x30/0x30
[  907.703654]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  907.707703]  ? error_entry+0x70/0xd0
[  907.711663]  ? bpf_prog_test_run+0x130/0x1a0
[  907.715885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  907.721412]  ? __x64_sys_bpf+0x3d8/0x520
[  907.725551]  ? trace_hardirqs_on_caller+0xc0/0x310
[  907.730554]  ? bpf_prog_get+0x20/0x20
[  907.735562]  ? syscall_return_slowpath+0x5e0/0x5e0
[  907.739720]  ? do_syscall_64+0x1b9/0x820
[  907.744631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  907.749914]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  907.754048]  ? trace_hardirqs_on_caller+0x310/0x310
[  907.758011]  ? syscall_return_slowpath+0x5e0/0x5e0
[  907.763277]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  907.767427]  ? trace_hardirqs_on_caller+0x310/0x310
[  907.771415]  ? prepare_exit_to_usermode+0x291/0x3b0
[  907.775806]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  907.780890]  ? page_fault+0x8/0x30
[  907.784855]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  907.790374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  907.794771]  ? __switch_to_asm+0x40/0x70
[  907.799789]  ? page_fault+0x8/0x30
[  907.805316]  ? __switch_to_asm+0x34/0x70
[  907.809365]  page_fault+0x1e/0x30
[  907.814021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  907.818590] RIP: 0033:0x45ddf3
[  907.823340]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  907.826871] Code: Bad RIP value.
[  907.831726] rcu: rcu_preempt kthread starved for 10315 jiffies! g114517 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  907.835754] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  907.841291] rcu: RCU grace-period kthread stack dump:
[  907.845699] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  907.848962] rcu_preempt     R  running task    22568    10      2 0x80000000
[  907.852764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  907.852776] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  907.856824] Call Trace:
[  907.860967] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  907.865805]  __schedule+0x8cf/0x21d0
[  907.869497] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  907.873915]  ? __sched_text_start+0x8/0x8
[  907.878922] warn_alloc_show_mem: 1 callbacks suppressed
[  907.878927] Mem-Info:
[  907.882971]  ? add_timer_on+0xa20/0xa20
[  907.887892] active_anon:53034 inactive_anon:131 isolated_anon:0
[  907.887892]  active_file:14 inactive_file:14 isolated_file:0
[  907.887892]  unevictable:0 dirty:0 writeback:0 unstable:0
[  907.887892]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  907.887892]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  907.887892]  free:13749 free_pcp:564 free_cma:0
[  907.891664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  907.896605] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  907.900654]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  907.905500] 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
[  907.910873]  ? trace_hardirqs_on+0xbd/0x310
[  907.915861] lowmem_reserve[]: 0 2818 6321 6321
[  907.920790]  ? kasan_check_read+0x11/0x20
[  907.926218] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  907.931255]  ? prepare_to_swait_event+0x25a/0x800
[  907.936361] lowmem_reserve[]: 0 0 3503 3503
[  907.941427]  ? trace_hardirqs_off_caller+0x310/0x310
[  907.944949] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  907.951619]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  907.956437] lowmem_reserve[]: 0 0 0 0
[  907.960505]  schedule+0xfe/0x460
[  907.964027] 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
[  907.968092]  ? __schedule+0x21d0/0x21d0
[  907.971543] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  907.976384]  ? prepare_to_swait_event+0x25a/0x800
[  907.979559] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  907.984931]  ? __init_swait_queue_head+0x150/0x150
[  907.988276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  907.998840]  ? __lockdep_init_map+0x105/0x590
[  908.004189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  908.009380]  ? lockdep_init_map+0x9/0x10
[  908.016644] 166 total pagecache pages
[  908.023851]  schedule_timeout+0x140/0x260
[  908.031109] 0 pages in swap cache
[  908.038370]  ? usleep_range+0x1a0/0x1a0
[  908.040936] Swap cache stats: add 0, delete 0, find 0/0
[  908.048197]  ? __next_timer_interrupt+0x1a0/0x1a0
[  908.051892] Free swap  = 0kB
[  908.059169]  rcu_gp_fqs_loop+0x762/0xa80
[  908.063279] Total swap = 0kB
[  908.063288] 1965979 pages RAM
[  908.068655]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  908.071044] 0 pages HighMem/MovableOnly
[  908.075038]  ? trace_hardirqs_off_caller+0x310/0x310
[  908.107973] 342858 pages reserved
[  908.107981] 0 pages cma reserved
[  908.113079]  ? perf_trace_sched_process_exec+0x860/0x860
[  908.140550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  908.145578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  908.171755] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  908.175990]  ? rcu_gp_init+0x90b/0x1260
[  908.180550] syz-fuzzer cpuset=/ mems_allowed=0
[  908.184698]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  908.212192] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  908.217030]  ? rcu_accelerate_cbs+0x562/0xae0
[  908.221331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  908.226422]  ? zap_class+0x640/0x640
[  908.226441]  ? zap_class+0x640/0x640
[  908.255496] Call Trace:
[  908.260604]  ? __lock_is_held+0xb5/0x140
[  908.264379]  <IRQ>
[  908.267755]  ? __lock_is_held+0xb5/0x140
[  908.281262]  dump_stack+0x244/0x39d
[  908.285233]  ? zap_class+0x640/0x640
[  908.300391]  ? dump_stack_print_info.cold.1+0x20/0x20
[  908.305242]  ? rcu_accelerate_cbs+0x562/0xae0
[  908.320671]  warn_alloc.cold.116+0xb7/0x1bd
[  908.325585]  ? find_held_lock+0x36/0x1c0
[  908.334402]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  908.338905]  ? rcu_gp_kthread+0x8cf/0xc70
[  908.347464]  ? lock_downgrade+0x900/0x900
[  908.351511]  ? _raw_spin_unlock_irq+0x27/0x80
[  908.355300]  ? trace_hardirqs_off+0xb8/0x310
[  908.359426]  ? _raw_spin_unlock_irq+0x27/0x80
[  908.362868]  ? trace_hardirqs_off+0xb8/0x310
[  908.366824]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  908.372176]  __alloc_pages_slowpath+0x26e8/0x2e10
[  908.376999]  ? trace_hardirqs_on+0xbd/0x310
[  908.380023]  ? warn_alloc+0x120/0x120
[  908.384064]  ? kasan_check_read+0x11/0x20
[  908.387065]  ? print_usage_bug+0xc0/0xc0
[  908.390167]  ? trace_hardirqs_off_caller+0x310/0x310
[  908.394903]  ? warn_alloc+0x120/0x120
[  908.398914]  ? perf_trace_sched_process_exec+0x860/0x860
[  908.404006]  ? warn_alloc+0x120/0x120
[  908.407447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  908.410811]  ? print_usage_bug+0xc0/0xc0
[  908.416257]  rcu_gp_kthread+0x341/0xc70
[  908.422743]  ? kvm_clock_read+0x18/0x30
[  908.428299]  ? rcu_gp_init+0x1260/0x1260
[  908.438507]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  908.442465]  ? mark_held_locks+0x130/0x130
[  908.447033]  ? print_usage_bug+0xc0/0xc0
[  908.451771]  ? __schedule+0x168a/0x21d0
[  908.458433]  ? __lock_acquire+0x62f/0x4c20
[  908.462909]  ? _raw_spin_unlock_irq+0x27/0x80
[  908.472268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  908.475978]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  908.479690]  ? should_fail+0x22d/0xd01
[  908.482285]  ? trace_hardirqs_on+0xbd/0x310
[  908.486340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  908.488480]  ? kasan_check_read+0x11/0x20
[  908.492529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  908.496142]  ? __schedule+0x168a/0x21d0
[  908.499843]  ? __lock_acquire+0x62f/0x4c20
[  908.505023]  ? trace_hardirqs_off_caller+0x310/0x310
[  908.509514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  908.513849]  ? lock_pin_lock+0x350/0x350
[  908.517945]  ? __lock_acquire+0x62f/0x4c20
[  908.517974]  ? should_fail+0x22d/0xd01
[  908.522835]  ? _raw_spin_unlock_irq+0x60/0x80
[  908.526961]  ? rcu_irq_exit+0x1a2/0x390
[  908.531100]  ? __schedule+0x168a/0x21d0
[  908.535590]  ? mark_held_locks+0x130/0x130
[  908.539995]  ? __switch_to_asm+0x40/0x70
[  908.544485]  ? mark_held_locks+0x130/0x130
[  908.548883]  ? __switch_to_asm+0x40/0x70
[  908.553466]  ? mark_held_locks+0xc7/0x130
[  908.558295]  ? cpufreq_remove_update_util_hook+0x31/0x110
[  908.562627]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  908.566421]  ? __sched_text_start+0x8/0x8
[  908.570856]  ? zap_class+0x640/0x640
[  908.574927]  ? find_held_lock+0x36/0x1c0
[  908.580007]  ? print_usage_bug+0xc0/0xc0
[  908.583831]  ? __kthread_parkme+0xce/0x1a0
[  908.589261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  908.593048]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  908.598663]  ? check_preemption_disabled+0x48/0x280
[  908.602711]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  908.606677]  ? __lock_is_held+0xb5/0x140
[  908.610637]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  908.614699]  __alloc_pages_nodemask+0xa80/0xde0
[  908.619702]  ? trace_hardirqs_on+0xbd/0x310
[  908.623926]  ? zap_class+0x640/0x640
[  908.627982]  ? kasan_check_read+0x11/0x20
[  908.631948]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  908.636170]  ? __kthread_parkme+0xce/0x1a0
[  908.640669]  ? find_held_lock+0x36/0x1c0
[  908.646197]  ? trace_hardirqs_off_caller+0x310/0x310
[  908.650780]  ? ____cache_alloc_node+0x1c7/0x1e0
[  908.654684]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  908.658998]  ? lock_downgrade+0x900/0x900
[  908.664260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  908.668394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  908.673502]  ? __kthread_parkme+0xfb/0x1a0
[  908.677467]  cache_grow_begin+0xa5/0x8c0
[  908.681706]  ? rcu_gp_init+0x1260/0x1260
[  908.686793]  ? do_raw_spin_unlock+0xa7/0x330
[  908.691883]  kthread+0x35a/0x440
[  908.695936]  fallback_alloc+0x204/0x2e0
[  908.700171]  ? kthread_stop+0x900/0x900
[  908.704048]  ____cache_alloc_node+0x1c7/0x1e0
[  908.708538]  ret_from_fork+0x3a/0x50
[  908.712500]  kmem_cache_alloc_node+0xe3/0x730
[  908.716662] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  908.720690]  ? ipv6_get_ifaddr+0x42e/0x620
[  908.724886] syz-executor0 cpuset=syz0 mems_allowed=0
[  908.729126]  __alloc_skb+0x119/0x770
[  908.922405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  908.927710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  908.932116]  ? lock_downgrade+0x900/0x900
[  908.936298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  908.941835]  ? refcount_sub_and_test_checked+0x203/0x310
[  908.947307]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  908.952761]  ? addrconf_rs_timer+0x690/0x690
[  908.957179]  ndisc_alloc_skb+0x144/0x340
[  908.961246]  ndisc_send_rs+0x331/0x6e0
[  908.965139]  addrconf_rs_timer+0x314/0x690
[  908.969380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  908.973630]  call_timer_fn+0x272/0x920
[  908.977517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  908.981754]  ? process_timeout+0x40/0x40
[  908.985824]  ? mark_held_locks+0xc7/0x130
[  908.989975]  ? _raw_spin_unlock_irq+0x27/0x80
[  908.994473]  ? _raw_spin_unlock_irq+0x27/0x80
[  908.998963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  909.003198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  909.007784]  ? trace_hardirqs_on+0xbd/0x310
[  909.012112]  ? kasan_check_read+0x11/0x20
[  909.016262]  ? __run_timers+0x7da/0xc70
[  909.020242]  ? trace_hardirqs_off_caller+0x310/0x310
[  909.025378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  909.029614]  __run_timers+0x7e5/0xc70
[  909.033430]  ? timer_fixup_init+0x70/0x70
[  909.037597]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  909.042614]  ? zap_class+0x640/0x640
[  909.046335]  ? print_usage_bug+0xc0/0xc0
[  909.050412]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  909.055625]  ? find_held_lock+0x36/0x1c0
[  909.059722]  ? zap_class+0x640/0x640
[  909.063451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.069011]  ? check_preemption_disabled+0x48/0x280
[  909.074039]  ? __lock_is_held+0xb5/0x140
[  909.078099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.083638]  ? check_preemption_disabled+0x48/0x280
[  909.088663]  run_timer_softirq+0x52/0xb0
[  909.092726]  ? rcu_read_lock_sched_held+0x14f/0x180
[  909.097761]  __do_softirq+0x308/0xb7e
[  909.101568]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  909.106075]  ? lock_downgrade+0x900/0x900
[  909.110227]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  909.115348]  ? pvclock_read_flags+0x160/0x160
[  909.119844]  ? lapic_next_event+0x5a/0x90
[  909.123993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.129550]  ? kvm_clock_read+0x18/0x30
[  909.133542]  ? kvm_sched_clock_read+0x9/0x20
[  909.137970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  909.143511]  ? check_preemption_disabled+0x48/0x280
[  909.148538]  irq_exit+0x17f/0x1c0
[  909.152005]  smp_apic_timer_interrupt+0x1cb/0x760
[  909.156852]  ? smp_reschedule_interrupt+0x109/0x650
[  909.161883]  ? smp_call_function_single_interrupt+0x650/0x650
[  909.167810]  ? interrupt_entry+0xb5/0xc0
[  909.171875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  909.176894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  909.181909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  909.186757]  ? trace_hardirqs_on_caller+0x310/0x310
[  909.191791]  ? trace_hardirqs_on_caller+0x310/0x310
[  909.196806]  ? task_prio+0x50/0x50
[  909.200352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.205894]  ? check_preemption_disabled+0x48/0x280
[  909.210917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  909.215774]  apic_timer_interrupt+0xf/0x20
[  909.220017]  </IRQ>
[  909.222269] RIP: 0010:dump_stack+0x358/0x39d
[  909.226691] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  909.245593] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  909.253312] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  909.260580] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  909.267863] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  909.275144] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  909.282428] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  909.289718]  ? dump_stack+0x34f/0x39d
[  909.293537]  ? dump_stack_print_info.cold.1+0x20/0x20
[  909.298748]  ? mark_held_locks+0x130/0x130
[  909.302983]  ? mark_held_locks+0x130/0x130
[  909.307240]  dump_header+0x27b/0xf72
[  909.310978]  ? pagefault_out_of_memory+0x197/0x197
[  909.315919]  ? __lock_acquire+0x62f/0x4c20
[  909.320156]  ? percpu_ref_get_many+0x240/0x240
[  909.324745]  ? print_usage_bug+0xc0/0xc0
[  909.328816]  ? zap_class+0x640/0x640
[  909.332543]  ? print_usage_bug+0xc0/0xc0
[  909.336603]  ? print_usage_bug+0xc0/0xc0
[  909.340679]  ? zap_class+0x640/0x640
[  909.344398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.349947]  ? find_held_lock+0x36/0x1c0
[  909.354037]  ? mark_held_locks+0xc7/0x130
[  909.358188]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  909.363293]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  909.368406]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  909.373004]  ? trace_hardirqs_on+0xbd/0x310
[  909.377328]  ? kasan_check_read+0x11/0x20
[  909.381479]  ? ___ratelimit+0x3b4/0x672
[  909.385454]  ? trace_hardirqs_off_caller+0x310/0x310
[  909.390560]  ? trace_hardirqs_on+0x310/0x310
[  909.394985]  ? lock_downgrade+0x900/0x900
[  909.399140]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  909.404246]  ? ___ratelimit+0x3b9/0x672
[  909.408222]  ? idr_get_free+0xf80/0xf80
[  909.412195]  ? find_held_lock+0x36/0x1c0
[  909.416266]  oom_kill_process.cold.27+0x10/0x903
[  909.421035]  ? zap_class+0x640/0x640
[  909.424750]  ? check_preemption_disabled+0x48/0x280
[  909.429776]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  909.434716]  ? kasan_check_read+0x11/0x20
[  909.438868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  909.444147]  ? oom_evaluate_task+0x540/0x540
[  909.448564]  ? find_held_lock+0x36/0x1c0
[  909.452646]  ? out_of_memory+0x974/0x1430
[  909.456797]  ? lock_downgrade+0x900/0x900
[  909.460994]  ? check_preemption_disabled+0x48/0x280
[  909.466014]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  909.470944]  ? kasan_check_read+0x11/0x20
[  909.475093]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  909.480378]  ? rcu_softirq_qs+0x20/0x20
[  909.484354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  909.489920]  ? oom_evaluate_task+0x302/0x540
[  909.494333]  out_of_memory+0xa84/0x1430
[  909.498318]  ? oom_killer_disable+0x3a0/0x3a0
[  909.502814]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  909.507750]  ? __ww_mutex_check_waiters+0x160/0x160
[  909.512780]  __alloc_pages_slowpath+0x2354/0x2e10
[  909.517651]  ? warn_alloc+0x120/0x120
[  909.521478]  ? mark_held_locks+0x130/0x130
[  909.525730]  ? find_get_entry+0xaae/0x1120
[  909.529991]  ? filemap_map_pages+0x1a20/0x1a20
[  909.534601]  ? zap_class+0x640/0x640
[  909.538334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.543892]  ? check_preemption_disabled+0x48/0x280
[  909.548908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  909.554454]  ? should_fail+0x22d/0xd01
[  909.558357]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  909.563471]  ? zap_class+0x640/0x640
[  909.567231]  ? __lock_is_held+0xb5/0x140
[  909.571304]  ? mark_held_locks+0x130/0x130
[  909.575542]  ? lock_release+0xa00/0xa00
[  909.579524]  ? perf_trace_sched_process_exec+0x860/0x860
[  909.584986]  ? xa_load+0x2ba/0x460
[  909.588530]  ? lock_downgrade+0x900/0x900
[  909.592678]  ? __might_sleep+0x95/0x190
[  909.596656]  __alloc_pages_nodemask+0xa80/0xde0
[  909.601350]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  909.606366]  ? __page_cache_alloc+0x191/0x5c0
[  909.610864]  ? xa_load+0x2e1/0x460
[  909.614411]  ? xa_clear_mark+0x40/0x40
[  909.618319]  ? zap_class+0x640/0x640
[  909.622053]  ? zap_class+0x640/0x640
[  909.625780]  ? zap_class+0x640/0x640
[  909.629496]  ? __do_page_cache_readahead+0x663/0x810
[  909.634606]  ? find_held_lock+0x36/0x1c0
[  909.638677]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  909.644248]  alloc_pages_current+0x173/0x350
[  909.648668]  __page_cache_alloc+0x38c/0x5c0
[  909.652991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  909.657922]  ? kasan_check_read+0x11/0x20
[  909.662080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  909.667365]  ? generic_perform_write+0x6a0/0x6a0
[  909.672127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  909.677685]  ? check_preemption_disabled+0x48/0x280
[  909.682710]  filemap_fault+0x1595/0x25f0
[  909.686788]  ? __lock_page_or_retry+0xa00/0xa00
[  909.691471]  ? mark_held_locks+0x130/0x130
[  909.695717]  ? filemap_map_pages+0xd6b/0x1a20
[  909.700220]  ? lock_downgrade+0x900/0x900
[  909.704380]  ? check_preemption_disabled+0x48/0x280
[  909.709426]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  909.714370]  ? kasan_check_read+0x11/0x20
[  909.718519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  909.724313]  ? rcu_softirq_qs+0x20/0x20
[  909.728302]  ? filemap_map_pages+0xd92/0x1a20
[  909.732817]  ? find_get_entries_tag+0x1400/0x1400
[  909.737662]  ? debug_object_destroy+0x2b0/0x2b0
[  909.742332]  ? lock_pi_update_atomic+0x150/0x150
[  909.747085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  909.752633]  ? lock_acquire+0x1ed/0x520
[  909.756607]  ? ext4_filemap_fault+0x7a/0xad
[  909.760932]  ? lock_release+0xa00/0xa00
[  909.764907]  ? perf_trace_sched_process_exec+0x860/0x860
[  909.770375]  ? print_usage_bug+0xc0/0xc0
[  909.774464]  ? print_usage_bug+0xc0/0xc0
[  909.778535]  ? down_read+0x8d/0x120
[  909.782173]  ? ext4_filemap_fault+0x7a/0xad
[  909.786495]  ? __down_interruptible+0x700/0x700
[  909.791182]  ext4_filemap_fault+0x82/0xad
[  909.795335]  __do_fault+0x100/0x6b0
[  909.798959]  ? find_held_lock+0x36/0x1c0
[  909.803040]  ? pmd_devmap_trans_unstable+0x220/0x220
[  909.808145]  ? mark_held_locks+0x130/0x130
[  909.812387]  ? mark_held_locks+0x130/0x130
[  909.816632]  ? _raw_spin_unlock_irq+0x27/0x80
[  909.821152]  ? _raw_spin_unlock_irq+0x27/0x80
[  909.825664]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  909.830252]  ? kasan_check_read+0x11/0x20
[  909.834412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  909.839960]  __handle_mm_fault+0x3ea6/0x5be0
[  909.844392]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  909.849244]  ? finish_task_switch+0x1f4/0x910
[  909.853757]  ? finish_task_switch+0x1b4/0x910
[  909.858268]  ? __switch_to_asm+0x34/0x70
[  909.862341]  ? preempt_notifier_register+0x200/0x200
[  909.867457]  ? __switch_to_asm+0x34/0x70
[  909.871522]  ? __switch_to_asm+0x34/0x70
[  909.875609]  ? zap_class+0x640/0x640
[  909.879339]  ? zap_class+0x640/0x640
[  909.883054]  ? __x64_sys_futex+0x53e/0x6a0
[  909.887293]  ? find_held_lock+0x36/0x1c0
[  909.891366]  ? handle_mm_fault+0x42a/0xc70
[  909.895604]  ? lock_downgrade+0x900/0x900
[  909.899756]  ? check_preemption_disabled+0x48/0x280
[  909.904774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  909.909726]  ? kasan_check_read+0x11/0x20
[  909.913876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  909.919151]  ? rcu_softirq_qs+0x20/0x20
[  909.923124]  ? trace_hardirqs_off_caller+0x310/0x310
[  909.928245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  909.933838]  ? check_preemption_disabled+0x48/0x280
[  909.938875]  handle_mm_fault+0x54f/0xc70
[  909.942957]  ? __handle_mm_fault+0x5be0/0x5be0
[  909.947540]  ? find_vma+0x34/0x190
[  909.951125]  __do_page_fault+0x5e8/0xe60
[  909.955208]  ? trace_hardirqs_off+0xb8/0x310
[  909.959635]  do_page_fault+0xf2/0x7e0
[  909.963443]  ? vmalloc_sync_all+0x30/0x30
[  909.967596]  ? error_entry+0x70/0xd0
[  909.971312]  ? trace_hardirqs_off_caller+0xbb/0x310
[  909.976329]  ? trace_hardirqs_on_caller+0xc0/0x310
[  909.981264]  ? syscall_return_slowpath+0x5e0/0x5e0
[  909.986190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  909.991042]  ? trace_hardirqs_on_caller+0x310/0x310
[  909.996058]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  910.001518]  ? prepare_exit_to_usermode+0x291/0x3b0
[  910.006541]  ? page_fault+0x8/0x30
[  910.010085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  910.014934]  ? page_fault+0x8/0x30
[  910.018496]  page_fault+0x1e/0x30
[  910.021949] RIP: 0033:0x45ddf3
[  910.025161] Code: Bad RIP value.
[  910.028523] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  910.033885] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  910.041242] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  910.048509] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  910.055886] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  910.063195] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  910.070489] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  910.070491] Mem-Info:
[  910.070521] active_anon:53034 inactive_anon:131 isolated_anon:0
[  910.070521]  active_file:14 inactive_file:14 isolated_file:0
[  910.070521]  unevictable:0 dirty:0 writeback:0 unstable:0
[  910.070521]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  910.070521]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  910.070521]  free:13749 free_pcp:564 free_cma:0
[  910.077512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  910.079981] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  910.112925] Call Trace:
[  910.122269] 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
[  910.149672]  <IRQ>
[  910.152244] lowmem_reserve[]: 0 2818 6321 6321
[  910.178364]  dump_stack+0x244/0x39d
[  910.180496] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  910.185099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  910.188717] lowmem_reserve[]: 0 0 3503 3503
[  910.216224]  warn_alloc.cold.116+0xb7/0x1bd
[  910.221380] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  910.225703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  910.230002] lowmem_reserve[]: 0 0 0 0
[  910.259066]  ? lock_downgrade+0x900/0x900
[  910.263887] 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
[  910.267707]  ? trace_hardirqs_off+0xb8/0x310
[  910.271825] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  910.285376]  ? trace_hardirqs_off+0xb8/0x310
[  910.289760] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  910.304940]  __alloc_pages_slowpath+0x26e8/0x2e10
[  910.309324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  910.324769]  ? warn_alloc+0x120/0x120
[  910.329579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  910.338412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  910.342207] 166 total pagecache pages
[  910.350774]  ? warn_alloc+0x120/0x120
[  910.356064] 0 pages in swap cache
[  910.359866]  ? warn_alloc+0x120/0x120
[  910.363650] Swap cache stats: add 0, delete 0, find 0/0
[  910.367098]  ? print_usage_bug+0xc0/0xc0
[  910.370887] Free swap  = 0kB
[  910.376247]  ? lockdep_hardirqs_on+0x296/0x5b0
[  910.380288] Total swap = 0kB
[  910.383303]  ? print_usage_bug+0xc0/0xc0
[  910.387863] 1965979 pages RAM
[  910.390880]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  910.394919] 0 pages HighMem/MovableOnly
[  910.398031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  910.402754] 342858 pages reserved
[  910.402763] 0 pages cma reserved
[  910.406754]  ? should_fail+0x22d/0xd01
[  910.412345] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  910.415743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  910.419192] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  910.422975]  ? __lock_acquire+0x62f/0x4c20
[  910.429451] syz-fuzzer cpuset=/ mems_allowed=0
[  910.434553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  910.458643]  ? __lock_acquire+0x62f/0x4c20
[  910.462878]  ? should_fail+0x22d/0xd01
[  910.466782]  ? __lock_is_held+0xb5/0x140
[  910.470865]  ? mark_held_locks+0x130/0x130
[  910.475115]  ? mark_held_locks+0x130/0x130
[  910.479355]  ? zap_class+0x640/0x640
[  910.483076]  ? zap_class+0x640/0x640
[  910.486791]  ? print_usage_bug+0xc0/0xc0
[  910.490889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.496435]  ? check_preemption_disabled+0x48/0x280
[  910.501512]  ? __lock_is_held+0xb5/0x140
[  910.505588]  __alloc_pages_nodemask+0xa80/0xde0
[  910.510257]  ? zap_class+0x640/0x640
[  910.514001]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  910.519036]  ? find_held_lock+0x36/0x1c0
[  910.523111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  910.527783]  ? lock_downgrade+0x900/0x900
[  910.531962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.537510]  cache_grow_begin+0xa5/0x8c0
[  910.541573]  ? do_raw_spin_unlock+0xa7/0x330
[  910.545999]  fallback_alloc+0x204/0x2e0
[  910.550011]  ____cache_alloc_node+0x1c7/0x1e0
[  910.554544]  kmem_cache_alloc_node+0xe3/0x730
[  910.559042]  ? ipv6_get_ifaddr+0x42e/0x620
[  910.563303]  __alloc_skb+0x119/0x770
[  910.567034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  910.572338]  ? netdev_alloc_frag+0x1f0/0x1f0
[  910.576746]  ? lock_downgrade+0x900/0x900
[  910.580905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.586449]  ? refcount_sub_and_test_checked+0x203/0x310
[  910.591904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  910.597364]  ? addrconf_rs_timer+0x690/0x690
[  910.601786]  ndisc_alloc_skb+0x144/0x340
[  910.605882]  ndisc_send_rs+0x331/0x6e0
[  910.609810]  addrconf_rs_timer+0x314/0x690
[  910.614070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  910.618318]  call_timer_fn+0x272/0x920
[  910.622207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  910.626454]  ? process_timeout+0x40/0x40
[  910.630543]  ? __run_timers+0x7da/0xc70
[  910.634522]  ? _raw_spin_unlock_irq+0x27/0x80
[  910.639019]  ? _raw_spin_unlock_irq+0x27/0x80
[  910.643512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  910.647748]  ? lockdep_hardirqs_on+0x296/0x5b0
[  910.652353]  ? trace_hardirqs_on+0xbd/0x310
[  910.656696]  ? kasan_check_read+0x11/0x20
[  910.660850]  ? __run_timers+0x7da/0xc70
[  910.664851]  ? trace_hardirqs_off_caller+0x310/0x310
[  910.669962]  ? sctp_generate_t3_rtx_event+0x350/0x350
[  910.675156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  910.679389]  __run_timers+0x7e5/0xc70
[  910.683207]  ? timer_fixup_init+0x70/0x70
[  910.687370]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  910.692416]  ? zap_class+0x640/0x640
[  910.696137]  ? enqueue_hrtimer+0x1a5/0x560
[  910.700386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  910.705595]  ? find_held_lock+0x36/0x1c0
[  910.709670]  ? zap_class+0x640/0x640
[  910.713401]  ? pvclock_read_flags+0x160/0x160
[  910.717906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.723616]  ? check_preemption_disabled+0x48/0x280
[  910.728644]  ? __lock_is_held+0xb5/0x140
[  910.732705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.738242]  ? check_preemption_disabled+0x48/0x280
[  910.743260]  run_timer_softirq+0x52/0xb0
[  910.747342]  ? rcu_read_lock_sched_held+0x14f/0x180
[  910.752355]  __do_softirq+0x308/0xb7e
[  910.756172]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  910.760664]  ? lock_downgrade+0x900/0x900
[  910.764813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  910.769942]  ? pvclock_read_flags+0x160/0x160
[  910.774442]  ? lapic_next_event+0x5a/0x90
[  910.778593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.784147]  ? kvm_clock_read+0x18/0x30
[  910.788118]  ? kvm_sched_clock_read+0x9/0x20
[  910.792530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.798065]  ? check_preemption_disabled+0x48/0x280
[  910.803091]  irq_exit+0x17f/0x1c0
[  910.806546]  smp_apic_timer_interrupt+0x1cb/0x760
[  910.811502]  ? smp_reschedule_interrupt+0x109/0x650
[  910.816521]  ? smp_call_function_single_interrupt+0x650/0x650
[  910.822411]  ? interrupt_entry+0xb5/0xc0
[  910.826500]  ? trace_hardirqs_off_caller+0xbb/0x310
[  910.832058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  910.837083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  910.841928]  ? trace_hardirqs_on_caller+0x310/0x310
[  910.846949]  ? trace_hardirqs_on_caller+0x310/0x310
[  910.851982]  ? task_prio+0x50/0x50
[  910.855526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  910.861062]  ? check_preemption_disabled+0x48/0x280
[  910.866096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  910.870949]  apic_timer_interrupt+0xf/0x20
[  910.875175]  </IRQ>
[  910.877418] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  910.883306] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  910.902203] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  910.909947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  910.917225] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  910.924493] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  910.931771] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  910.939048] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  910.946344]  ? save_stack+0xa9/0xd0
[  910.949983]  __kmalloc_node_track_caller+0x3c/0x70
[  910.954917]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  910.959699]  pskb_expand_head+0x230/0x10f0
[  910.963948]  ? check_preemption_disabled+0x48/0x280
[  910.968966]  ? memcpy+0x45/0x50
[  910.972248]  ? __copy_skb_header+0x350/0x6b0
[  910.976682]  ? skb_release_data+0x880/0x880
[  910.981003]  ? __alloc_skb+0x770/0x770
[  910.984898]  ? __lock_is_held+0xb5/0x140
[  910.988969]  ? kasan_check_write+0x14/0x20
[  910.993203]  ? __skb_clone+0x6c7/0xa00
[  910.997095]  ? __copy_skb_header+0x6b0/0x6b0
[  911.001507]  ? kmem_cache_alloc+0x33a/0x730
[  911.005839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.011379]  skb_ensure_writable+0x3dd/0x640
[  911.015795]  ? skb_checksum_setup+0xaa0/0xaa0
[  911.020298]  ? preempt_notifier_register+0x200/0x200
[  911.025399]  ? __switch_to_asm+0x34/0x70
[  911.029471]  ? __switch_to_asm+0x34/0x70
[  911.033532]  ? __switch_to_asm+0x40/0x70
[  911.037595]  ? __switch_to_asm+0x34/0x70
[  911.041674]  ? __switch_to_asm+0x40/0x70
[  911.045749]  ? __switch_to_asm+0x40/0x70
[  911.049820]  ? __switch_to_asm+0x34/0x70
[  911.053885]  ? __switch_to_asm+0x34/0x70
[  911.057975]  ? __switch_to_asm+0x40/0x70
[  911.062055]  ? __switch_to_asm+0x34/0x70
[  911.066134]  bpf_clone_redirect+0x14a/0x490
[  911.070469]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  911.075491]  ? __sched_text_start+0x8/0x8
[  911.079645]  ? retint_kernel+0x2d/0x2d
[  911.083550]  ? find_held_lock+0x36/0x1c0
[  911.087624]  ? lock_acquire+0x1ed/0x520
[  911.091605]  ? bpf_test_run+0x3cb/0x780
[  911.095583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.101134]  ? check_preemption_disabled+0x48/0x280
[  911.106157]  ? kasan_check_read+0x11/0x20
[  911.110325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  911.115607]  ? rcu_softirq_qs+0x20/0x20
[  911.119586]  ? preempt_schedule+0x4d/0x60
[  911.123761]  ? ___preempt_schedule+0x16/0x18
[  911.128175]  ? bpf_test_run+0x25d/0x780
[  911.132171]  ? netlink_diag_dump+0x2a0/0x2a0
[  911.136586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  911.142125]  ? bpf_test_init.isra.10+0x70/0x100
[  911.146801]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  911.151569]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  911.156416]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  911.161958]  ? fput+0x130/0x1a0
[  911.165240]  ? __bpf_prog_get+0x9b/0x290
[  911.169317]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  911.174184]  ? bpf_prog_test_run+0x130/0x1a0
[  911.178596]  ? __x64_sys_bpf+0x3d8/0x520
[  911.182659]  ? bpf_prog_get+0x20/0x20
[  911.186480]  ? do_syscall_64+0x1b9/0x820
[  911.190551]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  911.195914]  ? syscall_return_slowpath+0x5e0/0x5e0
[  911.200848]  ? trace_hardirqs_on_caller+0x310/0x310
[  911.205879]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  911.210939]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  911.217623]  ? __switch_to_asm+0x40/0x70
[  911.221709]  ? __switch_to_asm+0x34/0x70
[  911.225774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  911.230628]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  911.236009] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  911.236079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  911.242677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  911.242683] Call Trace:
[  911.242688]  <IRQ>
[  911.242705]  dump_stack+0x244/0x39d
[  911.242723]  ? dump_stack_print_info.cold.1+0x20/0x20
[  911.242763]  warn_alloc.cold.116+0xb7/0x1bd
[  911.249324] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  911.258589]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  911.261153] syz-executor0 cpuset=syz0 mems_allowed=0
[  911.263301]  ? lock_downgrade+0x900/0x900
[  911.300939]  ? trace_hardirqs_off+0xb8/0x310
[  911.305379]  ? trace_hardirqs_off+0xb8/0x310
[  911.309814]  __alloc_pages_slowpath+0x26e8/0x2e10
[  911.314691]  ? warn_alloc+0x120/0x120
[  911.318520]  ? print_usage_bug+0xc0/0xc0
[  911.322587]  ? warn_alloc+0x120/0x120
[  911.326395]  ? warn_alloc+0x120/0x120
[  911.330199]  ? print_usage_bug+0xc0/0xc0
[  911.334289]  ? kvm_clock_read+0x18/0x30
[  911.338266]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  911.343299]  ? print_usage_bug+0xc0/0xc0
[  911.347365]  ? __lock_acquire+0x62f/0x4c20
[  911.351611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  911.357149]  ? should_fail+0x22d/0xd01
[  911.361035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  911.366315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  911.371435]  ? __lock_acquire+0x62f/0x4c20
[  911.375679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  911.380800]  ? __lock_acquire+0x62f/0x4c20
[  911.385032]  ? should_fail+0x22d/0xd01
[  911.388919]  ? rcu_irq_exit+0x1a2/0x390
[  911.392902]  ? mark_held_locks+0x130/0x130
[  911.397144]  ? mark_held_locks+0x130/0x130
[  911.401385]  ? mark_held_locks+0xc7/0x130
[  911.405539]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  911.410554]  ? zap_class+0x640/0x640
[  911.414268]  ? print_usage_bug+0xc0/0xc0
[  911.418352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.423894]  ? check_preemption_disabled+0x48/0x280
[  911.428933]  ? __lock_is_held+0xb5/0x140
[  911.432999]  __alloc_pages_nodemask+0xa80/0xde0
[  911.437670]  ? zap_class+0x640/0x640
[  911.441394]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  911.446456]  ? find_held_lock+0x36/0x1c0
[  911.450539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  911.455219]  ? lock_downgrade+0x900/0x900
[  911.459375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.464917]  cache_grow_begin+0xa5/0x8c0
[  911.468995]  ? do_raw_spin_unlock+0xa7/0x330
[  911.473413]  fallback_alloc+0x204/0x2e0
[  911.477405]  ____cache_alloc_node+0x1c7/0x1e0
[  911.481926]  kmem_cache_alloc_node+0xe3/0x730
[  911.486435]  ? ipv6_get_ifaddr+0x42e/0x620
[  911.490685]  __alloc_skb+0x119/0x770
[  911.494398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  911.499690]  ? netdev_alloc_frag+0x1f0/0x1f0
[  911.504096]  ? lock_downgrade+0x900/0x900
[  911.508262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.513800]  ? refcount_sub_and_test_checked+0x203/0x310
[  911.519272]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  911.524741]  ? addrconf_rs_timer+0x690/0x690
[  911.529162]  ndisc_alloc_skb+0x144/0x340
[  911.533225]  ndisc_send_rs+0x331/0x6e0
[  911.537119]  addrconf_rs_timer+0x314/0x690
[  911.541361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  911.545606]  call_timer_fn+0x272/0x920
[  911.549493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  911.553734]  ? process_timeout+0x40/0x40
[  911.557808]  ? mark_held_locks+0xc7/0x130
[  911.561961]  ? _raw_spin_unlock_irq+0x27/0x80
[  911.566470]  ? _raw_spin_unlock_irq+0x27/0x80
[  911.570969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  911.575221]  ? lockdep_hardirqs_on+0x296/0x5b0
[  911.579817]  ? trace_hardirqs_on+0xbd/0x310
[  911.584138]  ? kasan_check_read+0x11/0x20
[  911.588286]  ? __run_timers+0x7da/0xc70
[  911.592259]  ? trace_hardirqs_off_caller+0x310/0x310
[  911.597373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  911.601606]  __run_timers+0x7e5/0xc70
[  911.605416]  ? timer_fixup_init+0x70/0x70
[  911.609605]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  911.614626]  ? zap_class+0x640/0x640
[  911.618344]  ? print_usage_bug+0xc0/0xc0
[  911.622428]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  911.627630]  ? find_held_lock+0x36/0x1c0
[  911.631699]  ? zap_class+0x640/0x640
[  911.635444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.640987]  ? check_preemption_disabled+0x48/0x280
[  911.646016]  ? __lock_is_held+0xb5/0x140
[  911.650076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.655613]  ? check_preemption_disabled+0x48/0x280
[  911.660635]  run_timer_softirq+0x52/0xb0
[  911.664712]  ? rcu_read_lock_sched_held+0x14f/0x180
[  911.669735]  __do_softirq+0x308/0xb7e
[  911.673543]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  911.678083]  ? lock_downgrade+0x900/0x900
[  911.682271]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  911.687432]  ? pvclock_read_flags+0x160/0x160
[  911.691948]  ? lapic_next_event+0x5a/0x90
[  911.696103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.701645]  ? kvm_clock_read+0x18/0x30
[  911.705629]  ? kvm_sched_clock_read+0x9/0x20
[  911.710043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  911.715582]  ? check_preemption_disabled+0x48/0x280
[  911.720610]  irq_exit+0x17f/0x1c0
[  911.724072]  smp_apic_timer_interrupt+0x1cb/0x760
[  911.728916]  ? smp_reschedule_interrupt+0x109/0x650
[  911.733936]  ? smp_call_function_single_interrupt+0x650/0x650
[  911.739847]  ? interrupt_entry+0xb5/0xc0
[  911.743912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  911.748931]  ? trace_hardirqs_off_caller+0xbb/0x310
[  911.753955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  911.758803]  ? trace_hardirqs_on_caller+0x310/0x310
[  911.763820]  ? trace_hardirqs_on_caller+0x310/0x310
[  911.768835]  ? task_prio+0x50/0x50
[  911.772374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.777911]  ? check_preemption_disabled+0x48/0x280
[  911.782934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  911.787792]  apic_timer_interrupt+0xf/0x20
[  911.792020]  </IRQ>
[  911.794266] RIP: 0010:dump_stack+0x358/0x39d
[  911.798670] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  911.817566] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  911.825281] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  911.832560] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  911.839826] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  911.847123] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  911.854387] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  911.861681]  ? dump_stack+0x34f/0x39d
[  911.865518]  ? dump_stack_print_info.cold.1+0x20/0x20
[  911.870711]  ? mark_held_locks+0x130/0x130
[  911.874942]  ? mark_held_locks+0x130/0x130
[  911.879222]  dump_header+0x27b/0xf72
[  911.882969]  ? pagefault_out_of_memory+0x197/0x197
[  911.887909]  ? __lock_acquire+0x62f/0x4c20
[  911.892144]  ? percpu_ref_get_many+0x240/0x240
[  911.896760]  ? print_usage_bug+0xc0/0xc0
[  911.900862]  ? zap_class+0x640/0x640
[  911.904584]  ? print_usage_bug+0xc0/0xc0
[  911.908643]  ? print_usage_bug+0xc0/0xc0
[  911.912709]  ? zap_class+0x640/0x640
[  911.916430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  911.921975]  ? find_held_lock+0x36/0x1c0
[  911.926047]  ? mark_held_locks+0xc7/0x130
[  911.930203]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  911.935304]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  911.940411]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  911.945002]  ? trace_hardirqs_on+0xbd/0x310
[  911.949341]  ? kasan_check_read+0x11/0x20
[  911.953492]  ? ___ratelimit+0x3b4/0x672
[  911.957473]  ? trace_hardirqs_off_caller+0x310/0x310
[  911.962577]  ? trace_hardirqs_on+0x310/0x310
[  911.967009]  ? lock_downgrade+0x900/0x900
[  911.971179]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  911.976302]  ? ___ratelimit+0x3b9/0x672
[  911.980280]  ? idr_get_free+0xf80/0xf80
[  911.984259]  ? find_held_lock+0x36/0x1c0
[  911.988345]  oom_kill_process.cold.27+0x10/0x903
[  911.993102]  ? zap_class+0x640/0x640
[  911.996817]  ? check_preemption_disabled+0x48/0x280
[  912.001841]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  912.006771]  ? kasan_check_read+0x11/0x20
[  912.010931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  912.016211]  ? oom_evaluate_task+0x540/0x540
[  912.020627]  ? find_held_lock+0x36/0x1c0
[  912.024698]  ? out_of_memory+0x974/0x1430
[  912.028847]  ? lock_downgrade+0x900/0x900
[  912.032993]  ? check_preemption_disabled+0x48/0x280
[  912.038010]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  912.042940]  ? kasan_check_read+0x11/0x20
[  912.047090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  912.052364]  ? rcu_softirq_qs+0x20/0x20
[  912.056350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  912.061886]  ? oom_evaluate_task+0x302/0x540
[  912.066306]  out_of_memory+0xa84/0x1430
[  912.070290]  ? oom_killer_disable+0x3a0/0x3a0
[  912.074790]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  912.079728]  ? __ww_mutex_check_waiters+0x160/0x160
[  912.084755]  __alloc_pages_slowpath+0x2354/0x2e10
[  912.089664]  ? warn_alloc+0x120/0x120
[  912.093491]  ? mark_held_locks+0x130/0x130
[  912.097734]  ? find_get_entry+0xaae/0x1120
[  912.101975]  ? filemap_map_pages+0x1a20/0x1a20
[  912.106574]  ? zap_class+0x640/0x640
[  912.110308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  912.115848]  ? check_preemption_disabled+0x48/0x280
[  912.120868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  912.126405]  ? should_fail+0x22d/0xd01
[  912.130316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  912.135416]  ? zap_class+0x640/0x640
[  912.139153]  ? __lock_is_held+0xb5/0x140
[  912.143230]  ? mark_held_locks+0x130/0x130
[  912.147464]  ? lock_release+0xa00/0xa00
[  912.151439]  ? perf_trace_sched_process_exec+0x860/0x860
[  912.156895]  ? xa_load+0x2ba/0x460
[  912.160439]  ? lock_downgrade+0x900/0x900
[  912.164607]  ? __might_sleep+0x95/0x190
[  912.168584]  __alloc_pages_nodemask+0xa80/0xde0
[  912.173274]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  912.178307]  ? __page_cache_alloc+0x191/0x5c0
[  912.182799]  ? xa_load+0x2e1/0x460
[  912.186340]  ? xa_clear_mark+0x40/0x40
[  912.190254]  ? zap_class+0x640/0x640
[  912.193979]  ? zap_class+0x640/0x640
[  912.197699]  ? zap_class+0x640/0x640
[  912.201413]  ? __do_page_cache_readahead+0x663/0x810
[  912.206527]  ? find_held_lock+0x36/0x1c0
[  912.210591]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  912.216128]  alloc_pages_current+0x173/0x350
[  912.220539]  __page_cache_alloc+0x38c/0x5c0
[  912.224852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  912.229778]  ? kasan_check_read+0x11/0x20
[  912.233939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  912.239233]  ? generic_perform_write+0x6a0/0x6a0
[  912.243991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  912.249531]  ? check_preemption_disabled+0x48/0x280
[  912.254575]  filemap_fault+0x1595/0x25f0
[  912.258663]  ? __lock_page_or_retry+0xa00/0xa00
[  912.263361]  ? mark_held_locks+0x130/0x130
[  912.267608]  ? filemap_map_pages+0xd6b/0x1a20
[  912.272107]  ? lock_downgrade+0x900/0x900
[  912.276253]  ? check_preemption_disabled+0x48/0x280
[  912.281285]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  912.286237]  ? kasan_check_read+0x11/0x20
[  912.290393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  912.295699]  ? rcu_softirq_qs+0x20/0x20
[  912.299716]  ? filemap_map_pages+0xd92/0x1a20
[  912.304241]  ? find_get_entries_tag+0x1400/0x1400
[  912.309086]  ? debug_object_destroy+0x2b0/0x2b0
[  912.313762]  ? lock_pi_update_atomic+0x150/0x150
[  912.318519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  912.324066]  ? lock_acquire+0x1ed/0x520
[  912.328041]  ? ext4_filemap_fault+0x7a/0xad
[  912.332382]  ? lock_release+0xa00/0xa00
[  912.336374]  ? perf_trace_sched_process_exec+0x860/0x860
[  912.341833]  ? print_usage_bug+0xc0/0xc0
[  912.345896]  ? print_usage_bug+0xc0/0xc0
[  912.349970]  ? down_read+0x8d/0x120
[  912.353598]  ? ext4_filemap_fault+0x7a/0xad
[  912.357927]  ? __down_interruptible+0x700/0x700
[  912.362618]  ext4_filemap_fault+0x82/0xad
[  912.366784]  __do_fault+0x100/0x6b0
[  912.370427]  ? find_held_lock+0x36/0x1c0
[  912.374516]  ? pmd_devmap_trans_unstable+0x220/0x220
[  912.379627]  ? mark_held_locks+0x130/0x130
[  912.383866]  ? mark_held_locks+0x130/0x130
[  912.388104]  ? _raw_spin_unlock_irq+0x27/0x80
[  912.392599]  ? _raw_spin_unlock_irq+0x27/0x80
[  912.397098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  912.401684]  ? kasan_check_read+0x11/0x20
[  912.405855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  912.411402]  __handle_mm_fault+0x3ea6/0x5be0
[  912.415842]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  912.420687]  ? finish_task_switch+0x1f4/0x910
[  912.425182]  ? finish_task_switch+0x1b4/0x910
[  912.429713]  ? __switch_to_asm+0x34/0x70
[  912.433794]  ? preempt_notifier_register+0x200/0x200
[  912.438899]  ? __switch_to_asm+0x34/0x70
[  912.442964]  ? __switch_to_asm+0x34/0x70
[  912.447036]  ? zap_class+0x640/0x640
[  912.450752]  ? zap_class+0x640/0x640
[  912.454481]  ? __x64_sys_futex+0x53e/0x6a0
[  912.458719]  ? find_held_lock+0x36/0x1c0
[  912.462788]  ? handle_mm_fault+0x42a/0xc70
[  912.467039]  ? lock_downgrade+0x900/0x900
[  912.471193]  ? check_preemption_disabled+0x48/0x280
[  912.476214]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  912.481145]  ? kasan_check_read+0x11/0x20
[  912.485305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  912.490578]  ? rcu_softirq_qs+0x20/0x20
[  912.494564]  ? trace_hardirqs_off_caller+0x310/0x310
[  912.499696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  912.505233]  ? check_preemption_disabled+0x48/0x280
[  912.510260]  handle_mm_fault+0x54f/0xc70
[  912.514338]  ? __handle_mm_fault+0x5be0/0x5be0
[  912.518927]  ? find_vma+0x34/0x190
[  912.522485]  __do_page_fault+0x5e8/0xe60
[  912.526557]  ? trace_hardirqs_off+0xb8/0x310
[  912.530973]  do_page_fault+0xf2/0x7e0
[  912.534773]  ? vmalloc_sync_all+0x30/0x30
[  912.538919]  ? error_entry+0x70/0xd0
[  912.542634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  912.547671]  ? trace_hardirqs_on_caller+0xc0/0x310
[  912.552624]  ? syscall_return_slowpath+0x5e0/0x5e0
[  912.557548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  912.562399]  ? trace_hardirqs_on_caller+0x310/0x310
[  912.567443]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  912.572895]  ? prepare_exit_to_usermode+0x291/0x3b0
[  912.577910]  ? page_fault+0x8/0x30
[  912.581458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  912.586303]  ? page_fault+0x8/0x30
[  912.589839]  page_fault+0x1e/0x30
[  912.593285] RIP: 0033:0x45ddf3
[  912.596493] Code: Bad RIP value.
[  912.599861] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  912.605225] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  912.612490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  912.619759] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  912.627027] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  912.634291] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  912.641582] warn_alloc_show_mem: 1 callbacks suppressed
[  912.641594] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  912.641596] Mem-Info:
[  912.641626] active_anon:53034 inactive_anon:131 isolated_anon:0
[  912.641626]  active_file:14 inactive_file:14 isolated_file:0
[  912.641626]  unevictable:0 dirty:0 writeback:0 unstable:0
[  912.641626]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  912.641626]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  912.641626]  free:13749 free_pcp:564 free_cma:0
[  912.646973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  912.653991] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  912.656394] Call Trace:
[  912.689375] 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
[  912.698722]  <IRQ>
[  912.726637] lowmem_reserve[]: 0 2818 6321 6321
[  912.729233]  dump_stack+0x244/0x39d
[  912.755344] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  912.757497]  ? dump_stack_print_info.cold.1+0x20/0x20
[  912.762058] lowmem_reserve[]: 0 0 3503 3503
[  912.765723]  warn_alloc.cold.116+0xb7/0x1bd
[  912.793202] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  912.798402]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  912.802714] lowmem_reserve[]: 0 0 0 0
[  912.807038]  ? lock_downgrade+0x900/0x900
[  912.836222] 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
[  912.841076]  ? trace_hardirqs_off+0xb8/0x310
[  912.844849] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB
[  912.848996]  ? trace_hardirqs_off+0xb8/0x310
[  912.862500] Node 0 Normal: 998*4kB (MEH) 543*8kB (UMEH) 122*16kB (MH) 40*32kB (UMH) 5*64kB (M) 2*128kB (M) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  912.866913]  __alloc_pages_slowpath+0x26e8/0x2e10
[  912.882070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  912.886491]  ? warn_alloc+0x120/0x120
[  912.901884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  912.906741]  ? print_usage_bug+0xc0/0xc0
[  912.915569] 166 total pagecache pages
[  912.919379]  ? warn_alloc+0x120/0x120
[  912.927942] 0 pages in swap cache
[  912.931998]  ? warn_alloc+0x120/0x120
[  912.935791] Swap cache stats: add 0, delete 0, find 0/0
[  912.939584]  ? print_usage_bug+0xc0/0xc0
[  912.943014] Free swap  = 0kB
[  912.946839]  ? kvm_clock_read+0x18/0x30
[  912.952181] Total swap = 0kB
[  912.956240]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  912.959236] 1965979 pages RAM
[  912.963205]  ? print_usage_bug+0xc0/0xc0
[  912.966203] 0 pages HighMem/MovableOnly
[  912.971226]  ? __lock_acquire+0x62f/0x4c20
[  912.974311] 342858 pages reserved
[  912.978371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  912.982327] 0 pages cma reserved
[  912.986559]  ? should_fail+0x22d/0xd01
[  912.990049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  912.995512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  912.995530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  912.998993] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  913.002766]  ? __lock_acquire+0x62f/0x4c20
[  913.009256] syz-fuzzer cpuset=/ mems_allowed=0
[  913.014547]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  913.043712]  ? __lock_acquire+0x62f/0x4c20
[  913.047950]  ? should_fail+0x22d/0xd01
[  913.051836]  ? rcu_irq_exit+0x1a2/0x390
[  913.055823]  ? mark_held_locks+0x130/0x130
[  913.060067]  ? mark_held_locks+0x130/0x130
[  913.064320]  ? mark_held_locks+0xc7/0x130
[  913.068471]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  913.073498]  ? zap_class+0x640/0x640
[  913.077225]  ? print_usage_bug+0xc0/0xc0
[  913.081292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.086830]  ? check_preemption_disabled+0x48/0x280
[  913.091868]  ? __lock_is_held+0xb5/0x140
[  913.095956]  __alloc_pages_nodemask+0xa80/0xde0
[  913.100624]  ? zap_class+0x640/0x640
[  913.104340]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  913.109373]  ? find_held_lock+0x36/0x1c0
[  913.113470]  ? ____cache_alloc_node+0x1c7/0x1e0
[  913.118140]  ? lock_downgrade+0x900/0x900
[  913.122295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.127835]  cache_grow_begin+0xa5/0x8c0
[  913.131897]  ? do_raw_spin_unlock+0xa7/0x330
[  913.136312]  fallback_alloc+0x204/0x2e0
[  913.140287]  ____cache_alloc_node+0x1c7/0x1e0
[  913.144789]  kmem_cache_alloc_node+0xe3/0x730
[  913.149284]  ? ipv6_get_ifaddr+0x42e/0x620
[  913.153538]  __alloc_skb+0x119/0x770
[  913.157253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  913.162550]  ? netdev_alloc_frag+0x1f0/0x1f0
[  913.166956]  ? lock_downgrade+0x900/0x900
[  913.171109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.176646]  ? refcount_sub_and_test_checked+0x203/0x310
[  913.182097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  913.187547]  ? addrconf_rs_timer+0x690/0x690
[  913.191967]  ndisc_alloc_skb+0x144/0x340
[  913.196034]  ndisc_send_rs+0x331/0x6e0
[  913.199945]  addrconf_rs_timer+0x314/0x690
[  913.204206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  913.208464]  call_timer_fn+0x272/0x920
[  913.212350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  913.216585]  ? process_timeout+0x40/0x40
[  913.220660]  ? __run_timers+0x7da/0xc70
[  913.224642]  ? _raw_spin_unlock_irq+0x27/0x80
[  913.229142]  ? _raw_spin_unlock_irq+0x27/0x80
[  913.233651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  913.237888]  ? lockdep_hardirqs_on+0x296/0x5b0
[  913.242477]  ? trace_hardirqs_on+0xbd/0x310
[  913.246799]  ? kasan_check_read+0x11/0x20
[  913.250961]  ? __run_timers+0x7da/0xc70
[  913.254942]  ? trace_hardirqs_off_caller+0x310/0x310
[  913.260052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  913.264307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  913.268542]  __run_timers+0x7e5/0xc70
[  913.272357]  ? timer_fixup_init+0x70/0x70
[  913.276522]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  913.281545]  ? zap_class+0x640/0x640
[  913.285279]  ? enqueue_hrtimer+0x1a5/0x560
[  913.289532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  913.294758]  ? find_held_lock+0x36/0x1c0
[  913.298836]  ? zap_class+0x640/0x640
[  913.302572]  ? pvclock_read_flags+0x160/0x160
[  913.307070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.312612]  ? check_preemption_disabled+0x48/0x280
[  913.317639]  ? __lock_is_held+0xb5/0x140
[  913.321717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.327257]  ? check_preemption_disabled+0x48/0x280
[  913.332277]  run_timer_softirq+0x52/0xb0
[  913.336341]  ? rcu_read_lock_sched_held+0x14f/0x180
[  913.341354]  __do_softirq+0x308/0xb7e
[  913.345161]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  913.349658]  ? lock_downgrade+0x900/0x900
[  913.353809]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  913.358949]  ? pvclock_read_flags+0x160/0x160
[  913.363449]  ? lapic_next_event+0x5a/0x90
[  913.367605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.373147]  ? kvm_clock_read+0x18/0x30
[  913.377120]  ? kvm_sched_clock_read+0x9/0x20
[  913.381538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.387073]  ? check_preemption_disabled+0x48/0x280
[  913.392102]  irq_exit+0x17f/0x1c0
[  913.395558]  smp_apic_timer_interrupt+0x1cb/0x760
[  913.400401]  ? smp_reschedule_interrupt+0x109/0x650
[  913.405434]  ? smp_call_function_single_interrupt+0x650/0x650
[  913.411319]  ? interrupt_entry+0xb5/0xc0
[  913.415384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  913.420404]  ? trace_hardirqs_off_caller+0xbb/0x310
[  913.425433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  913.430281]  ? trace_hardirqs_on_caller+0x310/0x310
[  913.435297]  ? trace_hardirqs_on_caller+0x310/0x310
[  913.440311]  ? task_prio+0x50/0x50
[  913.443869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.449414]  ? check_preemption_disabled+0x48/0x280
[  913.454455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  913.459322]  apic_timer_interrupt+0xf/0x20
[  913.463554]  </IRQ>
[  913.465794] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  913.471696] Code: 3f 7e 0f 85 32 ff ff ff e8 f3 28 3e ff e9 28 ff ff ff e8 2a 38 c3 ff 48 83 3d 62 a7 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 13
[  913.490607] RSP: 0000:ffff88018973f498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  913.498330] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  913.505598] RDX: 0000000000000000 RSI: ffff8801951ce880 RDI: 0000000000000286
[  913.512869] RBP: ffff88018973f510 R08: ffff8801951ce000 R09: 0000000000000000
[  913.520133] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0
[  913.527401] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
[  913.534709]  ? save_stack+0xa9/0xd0
[  913.538351]  __kmalloc_node_track_caller+0x3c/0x70
[  913.543287]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  913.548078]  pskb_expand_head+0x230/0x10f0
[  913.552334]  ? check_preemption_disabled+0x48/0x280
[  913.557353]  ? memcpy+0x45/0x50
[  913.560638]  ? __copy_skb_header+0x350/0x6b0
[  913.565051]  ? skb_release_data+0x880/0x880
[  913.569378]  ? __alloc_skb+0x770/0x770
[  913.573285]  ? __lock_is_held+0xb5/0x140
[  913.577355]  ? kasan_check_write+0x14/0x20
[  913.581592]  ? __skb_clone+0x6c7/0xa00
[  913.585494]  ? __copy_skb_header+0x6b0/0x6b0
[  913.589914]  ? kmem_cache_alloc+0x33a/0x730
[  913.594244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.599790]  skb_ensure_writable+0x3dd/0x640
[  913.604235]  ? skb_checksum_setup+0xaa0/0xaa0
[  913.608739]  ? preempt_notifier_register+0x200/0x200
[  913.613841]  ? __switch_to_asm+0x34/0x70
[  913.617908]  ? __switch_to_asm+0x34/0x70
[  913.621974]  ? __switch_to_asm+0x40/0x70
[  913.626036]  ? __switch_to_asm+0x34/0x70
[  913.630096]  ? __switch_to_asm+0x40/0x70
[  913.634156]  ? __switch_to_asm+0x40/0x70
[  913.638239]  ? __switch_to_asm+0x34/0x70
[  913.642299]  ? __switch_to_asm+0x34/0x70
[  913.646361]  ? __switch_to_asm+0x40/0x70
[  913.650438]  ? __switch_to_asm+0x34/0x70
[  913.654534]  bpf_clone_redirect+0x14a/0x490
[  913.658865]  bpf_prog_bebbfe2050753572+0xab4/0x1000
[  913.663888]  ? __sched_text_start+0x8/0x8
[  913.668047]  ? retint_kernel+0x2d/0x2d
[  913.671958]  ? find_held_lock+0x36/0x1c0
[  913.676047]  ? lock_acquire+0x1ed/0x520
[  913.680043]  ? bpf_test_run+0x3cb/0x780
[  913.684037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.689583]  ? check_preemption_disabled+0x48/0x280
[  913.694609]  ? kasan_check_read+0x11/0x20
[  913.698759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  913.704043]  ? rcu_softirq_qs+0x20/0x20
[  913.708017]  ? preempt_schedule+0x4d/0x60
[  913.712188]  ? ___preempt_schedule+0x16/0x18
[  913.716602]  ? bpf_test_run+0x25d/0x780
[  913.720591]  ? netlink_diag_dump+0x2a0/0x2a0
[  913.725004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  913.730554]  ? bpf_test_init.isra.10+0x70/0x100
[  913.735227]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  913.739989]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  913.744829]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  913.750367]  ? fput+0x130/0x1a0
[  913.753646]  ? __bpf_prog_get+0x9b/0x290
[  913.757712]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  913.762556]  ? bpf_prog_test_run+0x130/0x1a0
[  913.767144]  ? __x64_sys_bpf+0x3d8/0x520
[  913.771206]  ? bpf_prog_get+0x20/0x20
[  913.775041]  ? do_syscall_64+0x1b9/0x820
[  913.779109]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  913.784477]  ? syscall_return_slowpath+0x5e0/0x5e0
[  913.789445]  ? trace_hardirqs_on_caller+0x310/0x310
[  913.794470]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  913.799493]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  913.806172]  ? __switch_to_asm+0x40/0x70
[  913.810234]  ? __switch_to_asm+0x34/0x70
[  913.814299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  913.819152]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  913.824536] CPU: 0 PID: 5727 Comm: syz-fuzzer Not tainted 4.19.0+ #280
[  913.824609] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  913.831207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  913.831213] Call Trace:
[  913.831219]  <IRQ>
[  913.831236]  dump_stack+0x244/0x39d
[  913.831254]  ? dump_stack_print_info.cold.1+0x20/0x20
[  913.831294]  warn_alloc.cold.116+0xb7/0x1bd
[  913.837934] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  913.847122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  913.849689] syz-executor0 cpuset=syz0 mems_allowed=0
[  913.851838]  ? lock_downgrade+0x900/0x900
[  913.889515]  ? trace_hardirqs_off+0xb8/0x310
[  913.893937]  ? trace_hardirqs_off+0xb8/0x310
[  913.898357]  __alloc_pages_slowpath+0x26e8/0x2e10
[  913.903282]  ? warn_alloc+0x120/0x120
[  913.907090]  ? print_usage_bug+0xc0/0xc0
[  913.911164]  ? warn_alloc+0x120/0x120
[  913.914970]  ? warn_alloc+0x120/0x120
[  913.918783]  ? print_usage_bug+0xc0/0xc0
[  913.922858]  ? kvm_clock_read+0x18/0x30
[  913.926833]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  913.931854]  ? print_usage_bug+0xc0/0xc0
[  913.935955]  ? __lock_acquire+0x62f/0x4c20
[  913.940198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  913.945740]  ? should_fail+0x22d/0xd01
[  913.949649]  ? __lock_acquire+0x62f/0x4c20
[  913.953900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  913.959003]  ? __lock_acquire+0x62f/0x4c20
[  913.963245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  913.968345]  ? __lock_acquire+0x62f/0x4c20
[  913.972580]  ? should_fail+0x22d/0xd01
[  913.976485]  ? mark_held_locks+0x130/0x130
[  913.980729]  ? mark_held_locks+0x130/0x130
[  913.984998]  ? zap_class+0x640/0x640
[  913.988716]  ? print_usage_bug+0xc0/0xc0
[  913.992806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  913.998345]  ? check_preemption_disabled+0x48/0x280
[  914.003388]  ? __lock_is_held+0xb5/0x140
[  914.007463]  __alloc_pages_nodemask+0xa80/0xde0
[  914.012131]  ? zap_class+0x640/0x640
[  914.015846]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  914.020891]  ? find_held_lock+0x36/0x1c0
[  914.024969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  914.029647]  ? lock_downgrade+0x900/0x900
[  914.033829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.039370]  cache_grow_begin+0xa5/0x8c0
[  914.043436]  ? do_raw_spin_unlock+0xa7/0x330
[  914.047855]  fallback_alloc+0x204/0x2e0
[  914.051840]  ____cache_alloc_node+0x1c7/0x1e0
[  914.056366]  kmem_cache_alloc_node+0xe3/0x730
[  914.060864]  ? ipv6_get_ifaddr+0x42e/0x620
[  914.065106]  __alloc_skb+0x119/0x770
[  914.068821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  914.074106]  ? netdev_alloc_frag+0x1f0/0x1f0
[  914.078519]  ? lock_downgrade+0x900/0x900
[  914.082677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.088215]  ? refcount_sub_and_test_checked+0x203/0x310
[  914.093671]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  914.099132]  ? addrconf_rs_timer+0x690/0x690
[  914.103554]  ndisc_alloc_skb+0x144/0x340
[  914.107622]  ndisc_send_rs+0x331/0x6e0
[  914.111516]  addrconf_rs_timer+0x314/0x690
[  914.115759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  914.120007]  call_timer_fn+0x272/0x920
[  914.123898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  914.128143]  ? process_timeout+0x40/0x40
[  914.132217]  ? mark_held_locks+0xc7/0x130
[  914.136375]  ? _raw_spin_unlock_irq+0x27/0x80
[  914.140872]  ? _raw_spin_unlock_irq+0x27/0x80
[  914.145368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  914.149619]  ? lockdep_hardirqs_on+0x296/0x5b0
[  914.154205]  ? trace_hardirqs_on+0xbd/0x310
[  914.158527]  ? kasan_check_read+0x11/0x20
[  914.162678]  ? __run_timers+0x7da/0xc70
[  914.166658]  ? trace_hardirqs_off_caller+0x310/0x310
[  914.171770]  ? prandom_seed_full_state+0x3b0/0x3b0
[  914.176707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  914.180943]  __run_timers+0x7e5/0xc70
[  914.184756]  ? timer_fixup_init+0x70/0x70
[  914.188914]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  914.193935]  ? zap_class+0x640/0x640
[  914.197672]  ? print_usage_bug+0xc0/0xc0
[  914.201749]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  914.206958]  ? find_held_lock+0x36/0x1c0
[  914.211026]  ? zap_class+0x640/0x640
[  914.214750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.220296]  ? check_preemption_disabled+0x48/0x280
[  914.225326]  ? __lock_is_held+0xb5/0x140
[  914.229403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.234979]  ? check_preemption_disabled+0x48/0x280
[  914.240008]  run_timer_softirq+0x52/0xb0
[  914.244070]  ? rcu_read_lock_sched_held+0x14f/0x180
[  914.249094]  __do_softirq+0x308/0xb7e
[  914.252904]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  914.257399]  ? lock_downgrade+0x900/0x900
[  914.261556]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  914.266670]  ? pvclock_read_flags+0x160/0x160
[  914.271170]  ? lapic_next_event+0x5a/0x90
[  914.275333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.280878]  ? kvm_clock_read+0x18/0x30
[  914.284867]  ? kvm_sched_clock_read+0x9/0x20
[  914.289280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  914.294820]  ? check_preemption_disabled+0x48/0x280
[  914.299862]  irq_exit+0x17f/0x1c0
[  914.303332]  smp_apic_timer_interrupt+0x1cb/0x760
[  914.308178]  ? smp_reschedule_interrupt+0x109/0x650
[  914.313201]  ? smp_call_function_single_interrupt+0x650/0x650
[  914.319087]  ? interrupt_entry+0xb5/0xc0
[  914.323152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  914.328168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  914.333187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  914.338042]  ? trace_hardirqs_on_caller+0x310/0x310
[  914.343072]  ? trace_hardirqs_on_caller+0x310/0x310
[  914.348088]  ? task_prio+0x50/0x50
[  914.351634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.357194]  ? check_preemption_disabled+0x48/0x280
[  914.362226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  914.367081]  apic_timer_interrupt+0xf/0x20
[  914.371312]  </IRQ>
[  914.373556] RIP: 0010:dump_stack+0x358/0x39d
[  914.377969] Code: 74 0c 48 c7 c7 30 fa 51 89 e8 21 a2 fd f9 48 83 3d a9 05 8d 01 00 0f 84 63 fe ff ff e8 6e 6f ba f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 6f ba f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  914.396871] RSP: 0000:ffff8801b9ee61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  914.404667] RAX: ffff8801b94ae2c0 RBX: 1ffffffff12a3f46 RCX: 1ffff10037295d76
[  914.411960] RDX: 0000000000000000 RSI: ffffffff87c4f492 RDI: 0000000000000293
[  914.419232] RBP: ffff8801b9ee6290 R08: ffff8801b94aebb0 R09: 0000000000000006
[  914.426502] R10: 0000000000000000 R11: ffff8801b94ae2c0 R12: 1ffff100373dcc45
[  914.433772] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  914.441067]  ? dump_stack+0x34f/0x39d
[  914.444884]  ? dump_stack_print_info.cold.1+0x20/0x20
[  914.450083]  ? mark_held_locks+0x130/0x130
[  914.454321]  ? mark_held_locks+0x130/0x130
[  914.458562]  dump_header+0x27b/0xf72
[  914.462295]  ? pagefault_out_of_memory+0x197/0x197
[  914.467235]  ? __lock_acquire+0x62f/0x4c20
[  914.471470]  ? percpu_ref_get_many+0x240/0x240
[  914.476057]  ? print_usage_bug+0xc0/0xc0
[  914.480142]  ? zap_class+0x640/0x640
[  914.483884]  ? print_usage_bug+0xc0/0xc0
[  914.487949]  ? print_usage_bug+0xc0/0xc0
[  914.492010]  ? zap_class+0x640/0x640
[  914.495726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.501268]  ? find_held_lock+0x36/0x1c0
[  914.505337]  ? mark_held_locks+0xc7/0x130
[  914.509493]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  914.514602]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  914.519711]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  914.524298]  ? trace_hardirqs_on+0xbd/0x310
[  914.528619]  ? kasan_check_read+0x11/0x20
[  914.532772]  ? ___ratelimit+0x3b4/0x672
[  914.536751]  ? trace_hardirqs_off_caller+0x310/0x310
[  914.541882]  ? trace_hardirqs_on+0x310/0x310
[  914.546300]  ? lock_downgrade+0x900/0x900
[  914.550472]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  914.555585]  ? ___ratelimit+0x3b9/0x672
[  914.559566]  ? idr_get_free+0xf80/0xf80
[  914.563544]  ? find_held_lock+0x36/0x1c0
[  914.567617]  oom_kill_process.cold.27+0x10/0x903
[  914.572373]  ? zap_class+0x640/0x640
[  914.576092]  ? check_preemption_disabled+0x48/0x280
[  914.581111]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  914.586052]  ? kasan_check_read+0x11/0x20
[  914.590202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  914.595485]  ? oom_evaluate_task+0x540/0x540
[  914.599899]  ? find_held_lock+0x36/0x1c0
[  914.603969]  ? out_of_memory+0x974/0x1430
[  914.608119]  ? lock_downgrade+0x900/0x900
[  914.612297]  ? check_preemption_disabled+0x48/0x280
[  914.617313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  914.622267]  ? kasan_check_read+0x11/0x20
[  914.626416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  914.631702]  ? rcu_softirq_qs+0x20/0x20
[  914.635686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  914.641235]  ? oom_evaluate_task+0x302/0x540
[  914.645654]  out_of_memory+0xa84/0x1430
[  914.649643]  ? oom_killer_disable+0x3a0/0x3a0
[  914.654139]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  914.659091]  ? __ww_mutex_check_waiters+0x160/0x160
[  914.664130]  __alloc_pages_slowpath+0x2354/0x2e10
[  914.669021]  ? warn_alloc+0x120/0x120
[  914.672832]  ? mark_held_locks+0x130/0x130
[  914.677080]  ? find_get_entry+0xaae/0x1120
[  914.681326]  ? filemap_map_pages+0x1a20/0x1a20
[  914.685917]  ? zap_class+0x640/0x640
[  914.689668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.695225]  ? check_preemption_disabled+0x48/0x280
[  914.700240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  914.705779]  ? should_fail+0x22d/0xd01
[  914.709670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  914.714780]  ? zap_class+0x640/0x640
[  914.718527]  ? __lock_is_held+0xb5/0x140
[  914.723104]  ? mark_held_locks+0x130/0x130
[  914.727343]  ? lock_release+0xa00/0xa00
[  914.731318]  ? perf_trace_sched_process_exec+0x860/0x860
[  914.736782]  ? xa_load+0x2ba/0x460
[  914.740325]  ? lock_downgrade+0x900/0x900
[  914.744482]  ? __might_sleep+0x95/0x190
[  914.748464]  __alloc_pages_nodemask+0xa80/0xde0
[  914.753141]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  914.758158]  ? __page_cache_alloc+0x191/0x5c0
[  914.762654]  ? xa_load+0x2e1/0x460
[  914.766205]  ? xa_clear_mark+0x40/0x40
[  914.770096]  ? zap_class+0x640/0x640
[  914.773842]  ? zap_class+0x640/0x640
[  914.777554]  ? zap_class+0x640/0x640
[  914.781280]  ? __do_page_cache_readahead+0x663/0x810
[  914.786392]  ? find_held_lock+0x36/0x1c0
[  914.790496]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  914.796036]  alloc_pages_current+0x173/0x350
[  914.800459]  __page_cache_alloc+0x38c/0x5c0
[  914.804778]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  914.809711]  ? kasan_check_read+0x11/0x20
[  914.813862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  914.819169]  ? generic_perform_write+0x6a0/0x6a0
[  914.823932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  914.829679]  ? check_preemption_disabled+0x48/0x280
[  914.834714]  filemap_fault+0x1595/0x25f0
[  914.838789]  ? __lock_page_or_retry+0xa00/0xa00
[  914.843463]  ? mark_held_locks+0x130/0x130
[  914.847710]  ? filemap_map_pages+0xd6b/0x1a20
[  914.852206]  ? lock_downgrade+0x900/0x900
[  914.856358]  ? check_preemption_disabled+0x48/0x280
[  914.861377]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  914.866307]  ? kasan_check_read+0x11/0x20
[  914.870471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  914.875744]  ? rcu_softirq_qs+0x20/0x20
[  914.879742]  ? filemap_map_pages+0xd92/0x1a20
[  914.884257]  ? find_get_entries_tag+0x1400/0x1400
[  914.889114]  ? debug_object_destroy+0x2b0/0x2b0
[  914.893802]  ? lock_pi_update_atomic+0x150/0x150
[  914.898582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  914.904148]  ? lock_acquire+0x1ed/0x520
[  914.908124]  ? ext4_filemap_fault+0x7a/0xad
[  914.912462]  ? lock_release+0xa00/0xa00
[  914.916439]  ? perf_trace_sched_process_exec+0x860/0x860
[  914.921905]  ? print_usage_bug+0xc0/0xc0
[  914.925972]  ? print_usage_bug+0xc0/0xc0
[  914.930044]  ? down_read+0x8d/0x120
[  914.933672]  ? ext4_filemap_fault+0x7a/0xad
[  914.937996]  ? __down_interruptible+0x700/0x700
[  914.942675]  ext4_filemap_fault+0x82/0xad
[  914.946824]  __do_fault+0x100/0x6b0
[  914.950472]  ? find_held_lock+0x36/0x1c0
[  914.954575]  ? pmd_devmap_trans_unstable+0x220/0x220
[  914.959687]  ? mark_held_locks+0x130/0x130
[  914.963928]  ? mark_held_locks+0x130/0x130
[  914.968164]  ? _raw_spin_unlock_irq+0x27/0x80
[  914.972658]  ? _raw_spin_unlock_irq+0x27/0x80
[  914.977155]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  914.981755]  ? kasan_check_read+0x11/0x20
[  914.985904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  914.991461]  __handle_mm_fault+0x3ea6/0x5be0
[  914.995884]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  915.000741]  ? finish_task_switch+0x1f4/0x910
[  915.005237]  ? finish_task_switch+0x1b4/0x910
[  915.009732]  ? __switch_to_asm+0x34/0x70
[  915.013799]  ? preempt_notifier_register+0x200/0x200
[  915.018916]  ? __switch_to_asm+0x34/0x70
[  915.022990]  ? __switch_to_asm+0x34/0x70
[  915.027069]  ? zap_class+0x640/0x640
[  915.030787]  ? zap_class+0x640/0x640
[  915.034505]  ? __x64_sys_futex+0x53e/0x6a0
[  915.038744]  ? find_held_lock+0x36/0x1c0
[  915.042830]  ? handle_mm_fault+0x42a/0xc70
[  915.047081]  ? lock_downgrade+0x900/0x900
[  915.051232]  ? check_preemption_disabled+0x48/0x280
[  915.056251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  915.061192]  ? kasan_check_read+0x11/0x20
[  915.065341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  915.070620]  ? rcu_softirq_qs+0x20/0x20
[  915.074600]  ? trace_hardirqs_off_caller+0x310/0x310
[  915.079705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  915.085250]  ? check_preemption_disabled+0x48/0x280
[  915.090281]  handle_mm_fault+0x54f/0xc70
[  915.094356]  ? __handle_mm_fault+0x5be0/0x5be0
[  915.098946]  ? find_vma+0x34/0x190
[  915.102493]  __do_page_fault+0x5e8/0xe60
[  915.106566]  ? trace_hardirqs_off+0xb8/0x310
[  915.110990]  do_page_fault+0xf2/0x7e0
[  915.114795]  ? vmalloc_sync_all+0x30/0x30
[  915.118945]  ? error_entry+0x70/0xd0
[  915.122662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  915.127689]  ? trace_hardirqs_on_caller+0xc0/0x310
[  915.132644]  ? syscall_return_slowpath+0x5e0/0x5e0
[  915.137577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  915.142437]  ? trace_hardirqs_on_caller+0x310/0x310
[  915.147458]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  915.152912]  ? prepare_exit_to_usermode+0x291/0x3b0
[  915.157930]  ? page_fault+0x8/0x30
[  915.161477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  915.166324]  ? page_fault+0x8/0x30
[  915.169867]  page_fault+0x1e/0x30
[  915.173321] RIP: 0033:0x45ddf3
[  915.176535] Code: Bad RIP value.
[  915.179900] RSP: 002b:000000c420023ea0 EFLAGS: 00010206
[  915.185297] RAX: ffffffffffffff92 RBX: 0000000030af7d5f RCX: 000000000045ddf3
[  915.192564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  915.199836] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
[  915.207102] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  915.214368] R13: 000000c42866cde0 R14: 0000000000000001 R15: 0000000000000000
[  915.221657] warn_alloc_show_mem: 1 callbacks suppressed
[  915.221682] CPU: 1 PID: 11503 Comm: syz-executor0 Not tainted 4.19.0+ #280
[  915.221684] Mem-Info:
[  915.221727] active_anon:53034 inactive_anon:131 isolated_anon:0
[  915.221727]  active_file:14 inactive_file:14 isolated_file:0
[  915.221727]  unevictable:0 dirty:0 writeback:0 unstable:0
[  915.221727]  slab_reclaimable:10661 slab_unreclaimable:1463389
[  915.221727]  mapped:40964 shmem:138 pagetables:638 bounce:0
[  915.221727]  free:13749 free_pcp:564 free_cma:0
[  915.227077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  915.227099] Call Trace:
[  915.234120] Node 0 active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163856kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 36864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  915.236522]  <IRQ>
[  915.269497] 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
[  915.278852]  dump_stack+0x244/0x39d
[  915.281413] lowmem_reserve[]: 0 2818 6321 6321
[  915.308834]  ? dump_stack_print_info.cold.1+0x20/0x20
[  915.310966] Node 0 DMA32 free:25152kB 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:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  915.337083]  warn_alloc.cold.116+0xb7/0x1bd
[  915.340678] lowmem_reserve[]: 0 0 3503 3503
[  915.345258]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  915.350435] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:212136kB inactive_anon:524kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5696kB pagetables:2552kB bounce:0kB free_pcp:2008kB local_pcp:1000kB free_cma:0kB
[  915.377937]  ? lock_downgrade+0x900/0x900
[  915.382228] lowmem_reserve[]: 0 0 0 0
[  915.386547]  ? trace_hardirqs_off+0xb8/0x310
[  915.391368] 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
[  915.420438]  ? trace_hardirqs_off+0xb8/0x310
[  915.424565] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 4*32kB (M) 2*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25152kB