0/0x900
[  327.155386]  ? __might_sleep+0x95/0x190
[  327.159369]  __alloc_pages_nodemask+0xa80/0xde0
[  327.164040]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  327.169053]  ? __page_cache_alloc+0x191/0x5c0
[  327.173543]  ? xa_load+0x2e1/0x460
[  327.177078]  ? xa_clear_mark+0x40/0x40
[  327.180960]  ? zap_class+0x640/0x640
[  327.184676]  ? zap_class+0x640/0x640
[  327.188384]  ? zap_class+0x640/0x640
[  327.192093]  ? __do_page_cache_readahead+0x663/0x810
[  327.197195]  ? find_held_lock+0x36/0x1c0
[  327.201253]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  327.206786]  alloc_pages_current+0x173/0x350
[  327.211197]  __page_cache_alloc+0x38c/0x5c0
[  327.215512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.220434]  ? kasan_check_read+0x11/0x20
[  327.224575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.229844]  ? generic_perform_write+0x6a0/0x6a0
[  327.234595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.240127]  ? check_preemption_disabled+0x48/0x280
[  327.245144]  filemap_fault+0x1595/0x25f0
[  327.249209]  ? __lock_page_or_retry+0xa00/0xa00
[  327.253871]  ? mark_held_locks+0x130/0x130
[  327.258108]  ? filemap_map_pages+0xd6b/0x1a20
[  327.262597]  ? lock_downgrade+0x900/0x900
[  327.266737]  ? check_preemption_disabled+0x48/0x280
[  327.271756]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.276680]  ? kasan_check_read+0x11/0x20
[  327.280823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.286092]  ? rcu_softirq_qs+0x20/0x20
[  327.290073]  ? filemap_map_pages+0xd92/0x1a20
[  327.294570]  ? print_usage_bug+0xc0/0xc0
[  327.298628]  ? find_get_entries_tag+0x1400/0x1400
[  327.303460]  ? __kasan_slab_free+0x102/0x150
[  327.307859]  ? kasan_slab_free+0xe/0x10
[  327.311823]  ? kmem_cache_free+0x83/0x290
[  327.315976]  ? __sigqueue_free.part.29+0x74/0x90
[  327.320744]  ? lock_acquire+0x1ed/0x520
[  327.324714]  ? ext4_filemap_fault+0x7a/0xad
[  327.329033]  ? lock_release+0xa00/0xa00
[  327.332996]  ? perf_trace_sched_process_exec+0x860/0x860
[  327.338443]  ? print_usage_bug+0xc0/0xc0
[  327.342500]  ? print_usage_bug+0xc0/0xc0
[  327.346565]  ? down_read+0x8d/0x120
[  327.350181]  ? ext4_filemap_fault+0x7a/0xad
[  327.354495]  ? __down_interruptible+0x700/0x700
[  327.359163]  ext4_filemap_fault+0x82/0xad
[  327.363307]  __do_fault+0x100/0x6b0
[  327.366934]  ? pmd_devmap_trans_unstable+0x220/0x220
[  327.372032]  ? mark_held_locks+0x130/0x130
[  327.376273]  ? mark_held_locks+0x130/0x130
[  327.380503]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  327.386036]  ? rcu_pm_notify+0xc0/0xc0
[  327.389925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.395459]  __handle_mm_fault+0x3ea0/0x5be0
[  327.399867]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  327.404702]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.409196]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.413786]  ? trace_hardirqs_on+0xbd/0x310
[  327.418099]  ? kasan_check_read+0x11/0x20
[  327.422252]  ? __set_current_blocked+0xdf/0x120
[  327.426913]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.432022]  ? zap_class+0x640/0x640
[  327.435727]  ? zap_class+0x640/0x640
[  327.439439]  ? find_held_lock+0x36/0x1c0
[  327.443499]  ? handle_mm_fault+0x42a/0xc70
[  327.447724]  ? lock_downgrade+0x900/0x900
[  327.451865]  ? check_preemption_disabled+0x48/0x280
[  327.456874]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.461793]  ? kasan_check_read+0x11/0x20
[  327.465933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.471202]  ? rcu_softirq_qs+0x20/0x20
[  327.475255]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.480360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.485897]  ? check_preemption_disabled+0x48/0x280
[  327.490911]  handle_mm_fault+0x54f/0xc70
[  327.494970]  ? __handle_mm_fault+0x5be0/0x5be0
[  327.499555]  ? find_vma+0x34/0x190
[  327.503107]  __do_page_fault+0x5e8/0xe60
[  327.507163]  ? exit_to_usermode_loop+0x1f4/0x380
[  327.511918]  do_page_fault+0xf2/0x7e0
[  327.515711]  ? vmalloc_sync_all+0x30/0x30
[  327.519853]  ? error_entry+0x70/0xd0
[  327.523579]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.528590]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.533517]  ? syscall_return_slowpath+0x5e0/0x5e0
[  327.538442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.543277]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.548287]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.553734]  ? prepare_exit_to_usermode+0x291/0x3b0
[  327.558746]  ? page_fault+0x8/0x30
[  327.562402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.567240]  ? page_fault+0x8/0x30
[  327.570774]  page_fault+0x1e/0x30
[  327.574235] RIP: 0033:0x45db60
[  327.577447] Code: Bad RIP value.
[  327.580804] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  327.586158] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  327.593426] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  327.600686] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  327.607947] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  327.615211] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  327.622492] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  327.622497] warn_alloc_show_mem: 1 callbacks suppressed
[  327.622503] Mem-Info:
[  327.629771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  327.635132] active_anon:48041 inactive_anon:196 isolated_anon:0
[  327.635132]  active_file:13 inactive_file:15 isolated_file:0
[  327.635132]  unevictable:0 dirty:0 writeback:0 unstable:0
[  327.635132]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  327.635132]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  327.635132]  free:13795 free_pcp:455 free_cma:0
[  327.637496] Call Trace:
[  327.646868] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  327.679709]  <IRQ>
[  327.682276] 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
[  327.709668]  dump_stack+0x244/0x39d
[  327.711789] lowmem_reserve[]: 0 2818 6321 6321
[  327.737895]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.741493] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  327.746153]  warn_alloc.cold.116+0xb7/0x1bd
[  327.751316] lowmem_reserve[]: 0 0 3503 3503
[  327.779063]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  327.783354] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  327.787661]  ? lock_downgrade+0x900/0x900
[  327.792466] lowmem_reserve[]: 0 0 0 0
[  327.821533]  ? trace_hardirqs_off+0xb8/0x310
[  327.825647] 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
[  327.829439]  ? trace_hardirqs_off+0xb8/0x310
[  327.833814] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  327.847333]  __alloc_pages_slowpath+0x26e8/0x2e10
[  327.851707] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  327.867949]  ? warn_alloc+0x120/0x120
[  327.872751] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  327.887903]  ? warn_alloc+0x120/0x120
[  327.891676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  327.900492]  ? __lock_acquire+0x62f/0x4c20
[  327.904261] 272 total pagecache pages
[  327.912819]  ? warn_alloc+0x120/0x120
[  327.917030] 0 pages in swap cache
[  327.920811]  ? print_usage_bug+0xc0/0xc0
[  327.924585] Swap cache stats: add 0, delete 0, find 0/0
[  327.928019]  ? print_usage_bug+0xc0/0xc0
[  327.932050] Free swap  = 0kB
[  327.937398]  ? mark_held_locks+0x130/0x130
[  327.941428] Total swap = 0kB
[  327.944436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.948638] 1965979 pages RAM
[  327.951640]  ? should_fail+0x22d/0xd01
[  327.957143] 0 pages HighMem/MovableOnly
[  327.960232]  ? zap_class+0x640/0x640
[  327.964090] 342853 pages reserved
[  327.968053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.971734] 0 pages cma reserved
[  327.975170]  ? __lock_acquire+0x62f/0x4c20
[  327.980296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.983590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.983603]  ? should_fail+0x22d/0xd01
[  327.983626]  ? mark_held_locks+0x130/0x130
[  327.987878] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.994312]  ? mark_held_locks+0x130/0x130
[  327.999384] syz-fuzzer cpuset=/ mems_allowed=0
[  328.003256]  ? lock_downgrade+0x900/0x900
[  328.030568]  ? zap_class+0x640/0x640
[  328.034279]  ? zap_class+0x640/0x640
[  328.037996]  ? zap_class+0x640/0x640
[  328.041700]  ? do_raw_spin_unlock+0xa7/0x330
[  328.046101]  ? trace_hardirqs_on+0x310/0x310
[  328.050502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.056032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.061562]  ? check_preemption_disabled+0x48/0x280
[  328.066595]  ? __lock_is_held+0xb5/0x140
[  328.070746]  __alloc_pages_nodemask+0xa80/0xde0
[  328.075408]  ? zap_class+0x640/0x640
[  328.079208]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.084226]  ? find_held_lock+0x36/0x1c0
[  328.088296]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.092960]  ? lock_downgrade+0x900/0x900
[  328.097105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.102642]  cache_grow_begin+0xa5/0x8c0
[  328.106706]  ? do_raw_spin_unlock+0xa7/0x330
[  328.111116]  fallback_alloc+0x204/0x2e0
[  328.115180]  ____cache_alloc_node+0x1c7/0x1e0
[  328.119677]  kmem_cache_alloc_node+0xe3/0x730
[  328.124170]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.128750]  __alloc_skb+0x119/0x770
[  328.132455]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  328.137814]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.142228]  ? vprintk_default+0x28/0x30
[  328.146288]  ? vprintk_func+0x85/0x181
[  328.150171]  ? printk+0xa7/0xcf
[  328.153440]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  328.158203]  new_skb+0x26/0x1c0
[  328.161478]  aoecmd_cfg+0x279/0x7f0
[  328.165110]  ? find_held_lock+0x36/0x1c0
[  328.169168]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  328.173489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.179047]  ? __lock_is_held+0xb5/0x140
[  328.183111]  discover_timer+0x50/0x60
[  328.186994]  call_timer_fn+0x272/0x920
[  328.190879]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  328.195714]  ? process_timeout+0x40/0x40
[  328.199773]  ? __run_timers+0x7da/0xc70
[  328.203747]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.208581]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.213074]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  328.217911]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.222487]  ? trace_hardirqs_on+0xbd/0x310
[  328.226803]  ? kasan_check_read+0x11/0x20
[  328.230944]  ? __run_timers+0x7da/0xc70
[  328.234916]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.240024]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  328.244858]  __run_timers+0x7e5/0xc70
[  328.248661]  ? timer_fixup_init+0x70/0x70
[  328.252807]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.257825]  ? zap_class+0x640/0x640
[  328.261533]  ? enqueue_hrtimer+0x1a5/0x560
[  328.265759]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  328.270944]  ? find_held_lock+0x36/0x1c0
[  328.275004]  ? zap_class+0x640/0x640
[  328.278712]  ? pvclock_read_flags+0x160/0x160
[  328.283202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.288735]  ? check_preemption_disabled+0x48/0x280
[  328.293754]  ? __lock_is_held+0xb5/0x140
[  328.297813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.303342]  ? check_preemption_disabled+0x48/0x280
[  328.308354]  run_timer_softirq+0x52/0xb0
[  328.312414]  ? rcu_read_lock_sched_held+0x14f/0x180
[  328.317426]  __do_softirq+0x308/0xb7e
[  328.321224]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  328.325715]  ? lock_downgrade+0x900/0x900
[  328.329863]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  328.334964]  ? pvclock_read_flags+0x160/0x160
[  328.339454]  ? lapic_next_event+0x5a/0x90
[  328.343600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.349134]  ? kvm_clock_read+0x18/0x30
[  328.353103]  ? kvm_sched_clock_read+0x9/0x20
[  328.357506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.363040]  ? check_preemption_disabled+0x48/0x280
[  328.368056]  irq_exit+0x17f/0x1c0
[  328.372037]  smp_apic_timer_interrupt+0x1cb/0x760
[  328.376874]  ? smp_reschedule_interrupt+0x109/0x650
[  328.381884]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.387762]  ? interrupt_entry+0xb5/0xc0
[  328.391838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.396849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.401862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.406703]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.411714]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.416733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.421576]  apic_timer_interrupt+0xf/0x20
[  328.425806]  </IRQ>
[  328.428039] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  328.432966] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  328.451855] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  328.459558] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  328.466821] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  328.474083] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  328.481347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  328.488611] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  328.495903]  skb_clone+0x1bb/0x500
[  328.499436]  ? finish_task_switch+0x2f4/0x910
[  328.503923]  ? skb_split+0x11e0/0x11e0
[  328.507807]  ? preempt_notifier_register+0x200/0x200
[  328.512901]  ? __switch_to_asm+0x34/0x70
[  328.516965]  ? __switch_to_asm+0x34/0x70
[  328.521015]  ? __switch_to_asm+0x40/0x70
[  328.525070]  ? __switch_to_asm+0x34/0x70
[  328.529120]  ? __switch_to_asm+0x40/0x70
[  328.533171]  ? __switch_to_asm+0x34/0x70
[  328.537222]  ? __switch_to_asm+0x40/0x70
[  328.541284]  ? __switch_to_asm+0x34/0x70
[  328.545336]  ? __switch_to_asm+0x34/0x70
[  328.549390]  ? __switch_to_asm+0x40/0x70
[  328.553451]  ? __switch_to_asm+0x34/0x70
[  328.557511]  bpf_clone_redirect+0xb9/0x490
[  328.561741]  ? __schedule+0x8d7/0x21d0
[  328.565626]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  328.570636]  ? __sched_text_start+0x8/0x8
[  328.574775]  ? retint_kernel+0x2d/0x2d
[  328.578664]  ? find_held_lock+0x36/0x1c0
[  328.582724]  ? lock_acquire+0x1ed/0x520
[  328.586694]  ? bpf_test_run+0x3cb/0x780
[  328.590663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.596195]  ? check_preemption_disabled+0x48/0x280
[  328.601206]  ? kasan_check_read+0x11/0x20
[  328.605355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.610628]  ? rcu_softirq_qs+0x20/0x20
[  328.614596]  ? preempt_schedule+0x4d/0x60
[  328.618734]  ? ___preempt_schedule+0x16/0x18
[  328.623137]  ? bpf_test_run+0x25d/0x780
[  328.627110]  ? netlink_diag_dump+0x2a0/0x2a0
[  328.631514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.637043]  ? bpf_test_init.isra.10+0x70/0x100
[  328.641709]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  328.646463]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  328.651300]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  328.656828]  ? fput+0x130/0x1a0
[  328.660101]  ? __bpf_prog_get+0x9b/0x290
[  328.664160]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  328.668996]  ? bpf_prog_test_run+0x130/0x1a0
[  328.673404]  ? __x64_sys_bpf+0x3d8/0x520
[  328.677458]  ? bpf_prog_get+0x20/0x20
[  328.681272]  ? do_syscall_64+0x1b9/0x820
[  328.685325]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  328.690685]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.695611]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.700620]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  328.705633]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  328.712290]  ? __switch_to_asm+0x40/0x70
[  328.716346]  ? __switch_to_asm+0x34/0x70
[  328.720407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.725262]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  328.730635] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  328.730697] aoe: skb alloc failure
[  328.737557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.737562] Call Trace:
[  328.737567]  <IRQ>
[  328.737583]  dump_stack+0x244/0x39d
[  328.737602]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.741140] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.750469]  warn_alloc.cold.116+0xb7/0x1bd
[  328.753020] syz-executor4 cpuset=syz4 mems_allowed=0
[  328.755160]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.788615]  ? lock_downgrade+0x900/0x900
[  328.792768]  ? trace_hardirqs_off+0xb8/0x310
[  328.797178]  ? trace_hardirqs_off+0xb8/0x310
[  328.801586]  __alloc_pages_slowpath+0x26e8/0x2e10
[  328.806448]  ? warn_alloc+0x120/0x120
[  328.810248]  ? print_usage_bug+0xc0/0xc0
[  328.814307]  ? warn_alloc+0x120/0x120
[  328.818106]  ? warn_alloc+0x120/0x120
[  328.821899]  ? print_usage_bug+0xc0/0xc0
[  328.825961]  ? print_usage_bug+0xc0/0xc0
[  328.830018]  ? __lock_acquire+0x62f/0x4c20
[  328.834254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.839786]  ? should_fail+0x22d/0xd01
[  328.843674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.848771]  ? __lock_acquire+0x62f/0x4c20
[  328.853004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.858099]  ? __lock_acquire+0x62f/0x4c20
[  328.862328]  ? should_fail+0x22d/0xd01
[  328.866208]  ? find_held_lock+0x36/0x1c0
[  328.870279]  ? mark_held_locks+0x130/0x130
[  328.874510]  ? mark_held_locks+0x130/0x130
[  328.878736]  ? zap_class+0x640/0x640
[  328.882441]  ? zap_class+0x640/0x640
[  328.886152]  ? print_usage_bug+0xc0/0xc0
[  328.890206]  ? do_raw_spin_unlock+0xa7/0x330
[  328.894615]  ? zap_class+0x640/0x640
[  328.898330]  ? print_usage_bug+0xc0/0xc0
[  328.902386]  ? wq_watchdog_touch+0x9c/0xfe
[  328.906618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.912149]  ? check_preemption_disabled+0x48/0x280
[  328.917168]  ? __lock_is_held+0xb5/0x140
[  328.921233]  __alloc_pages_nodemask+0xa80/0xde0
[  328.925896]  ? zap_class+0x640/0x640
[  328.929606]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.934625]  ? find_held_lock+0x36/0x1c0
[  328.938684]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.943349]  ? lock_downgrade+0x900/0x900
[  328.947497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.953032]  cache_grow_begin+0xa5/0x8c0
[  328.957086]  ? do_raw_spin_unlock+0xa7/0x330
[  328.961496]  fallback_alloc+0x204/0x2e0
[  328.965465]  ____cache_alloc_node+0x1c7/0x1e0
[  328.969956]  kmem_cache_alloc_node+0xe3/0x730
[  328.974442]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.978854]  __alloc_skb+0x119/0x770
[  328.982559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.987831]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.992234]  ? lock_downgrade+0x900/0x900
[  328.996386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.001916]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.007363]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.012807]  ? addrconf_rs_timer+0x690/0x690
[  329.017228]  ndisc_alloc_skb+0x144/0x340
[  329.021292]  ndisc_send_rs+0x331/0x6e0
[  329.025176]  addrconf_rs_timer+0x314/0x690
[  329.029417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.033653]  call_timer_fn+0x272/0x920
[  329.037533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.041763]  ? process_timeout+0x40/0x40
[  329.045825]  ? mark_held_locks+0xc7/0x130
[  329.049966]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.054451]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.058953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.063177]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.067767]  ? trace_hardirqs_on+0xbd/0x310
[  329.072078]  ? kasan_check_read+0x11/0x20
[  329.076220]  ? __run_timers+0x7da/0xc70
[  329.080211]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.085317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.089550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.093787]  __run_timers+0x7e5/0xc70
[  329.097588]  ? timer_fixup_init+0x70/0x70
[  329.101732]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  329.106746]  ? zap_class+0x640/0x640
[  329.110457]  ? print_usage_bug+0xc0/0xc0
[  329.114511]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  329.119704]  ? find_held_lock+0x36/0x1c0
[  329.123767]  ? zap_class+0x640/0x640
[  329.127480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.133008]  ? check_preemption_disabled+0x48/0x280
[  329.138026]  ? __lock_is_held+0xb5/0x140
[  329.142097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.147628]  ? check_preemption_disabled+0x48/0x280
[  329.152638]  run_timer_softirq+0x52/0xb0
[  329.156690]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.161698]  __do_softirq+0x308/0xb7e
[  329.165495]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.169985]  ? lock_downgrade+0x900/0x900
[  329.174130]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.179260]  ? pvclock_read_flags+0x160/0x160
[  329.183755]  ? lapic_next_event+0x5a/0x90
[  329.187903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.193440]  ? kvm_clock_read+0x18/0x30
[  329.197466]  ? kvm_sched_clock_read+0x9/0x20
[  329.201870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.207805]  ? check_preemption_disabled+0x48/0x280
[  329.212822]  irq_exit+0x17f/0x1c0
[  329.216266]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.221103]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.226978]  ? interrupt_entry+0xb5/0xc0
[  329.231057]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.236085]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.241094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.245932]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.250937]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.255944]  ? task_prio+0x50/0x50
[  329.259481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.265012]  ? check_preemption_disabled+0x48/0x280
[  329.270042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.274888]  apic_timer_interrupt+0xf/0x20
[  329.279109]  </IRQ>
[  329.281338] RIP: 0010:console_unlock+0x102f/0x1190
[  329.286264] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  329.305155] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  329.312860] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  329.320121] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  329.327386] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  329.334647] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  329.341907] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  329.349433]  ? netconsole_netdev_event+0x280/0x280
[  329.354362]  ? console_unlock+0x1026/0x1190
[  329.358692]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  329.363351]  ? vprintk_emit+0x846/0x990
[  329.367321]  ? lock_release+0xa00/0xa00
[  329.371288]  ? trace_hardirqs_on+0x60/0x310
[  329.375602]  ? vprintk_default+0x28/0x30
[  329.379658]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.384759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.390292]  vprintk_emit+0x391/0x990
[  329.394090]  ? wake_up_klogd+0x180/0x180
[  329.398158]  ? find_held_lock+0x1/0x1c0
[  329.402140]  ? mark_held_locks+0xc7/0x130
[  329.406281]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.410770]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.415270]  vprintk_default+0x28/0x30
[  329.419151]  vprintk_func+0x7e/0x181
[  329.422863]  printk+0xa7/0xcf
[  329.425965]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  329.430719]  ? _raw_spin_unlock_irq+0x60/0x80
[  329.435230]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  329.440508]  dump_header+0x7cc/0xf72
[  329.444228]  ? pagefault_out_of_memory+0x197/0x197
[  329.449158]  ? __lock_acquire+0x62f/0x4c20
[  329.453389]  ? percpu_ref_get_many+0x240/0x240
[  329.457963]  ? print_usage_bug+0xc0/0xc0
[  329.462021]  ? zap_class+0x640/0x640
[  329.465732]  ? print_usage_bug+0xc0/0xc0
[  329.469785]  ? zap_class+0x640/0x640
[  329.473496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.479031]  ? find_held_lock+0x36/0x1c0
[  329.483094]  ? mark_held_locks+0xc7/0x130
[  329.487237]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.492331]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.497426]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.502007]  ? trace_hardirqs_on+0xbd/0x310
[  329.506322]  ? kasan_check_read+0x11/0x20
[  329.510459]  ? ___ratelimit+0x3b4/0x672
[  329.514426]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.519523]  ? trace_hardirqs_on+0x310/0x310
[  329.523926]  ? lock_downgrade+0x900/0x900
[  329.528071]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.533176]  ? ___ratelimit+0x3b9/0x672
[  329.537160]  ? idr_get_free+0xf70/0xf70
[  329.541133]  ? find_held_lock+0x36/0x1c0
[  329.545303]  oom_kill_process.cold.27+0x10/0x903
[  329.550050]  ? zap_class+0x640/0x640
[  329.553755]  ? check_preemption_disabled+0x48/0x280
[  329.558777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.563698]  ? kasan_check_read+0x11/0x20
[  329.567842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.573111]  ? oom_evaluate_task+0x540/0x540
[  329.577513]  ? find_held_lock+0x36/0x1c0
[  329.581571]  ? out_of_memory+0x974/0x1430
[  329.585716]  ? lock_downgrade+0x900/0x900
[  329.589861]  ? check_preemption_disabled+0x48/0x280
[  329.594874]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.599811]  ? kasan_check_read+0x11/0x20
[  329.603951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.609221]  ? rcu_softirq_qs+0x20/0x20
[  329.613194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.618727]  ? oom_evaluate_task+0x302/0x540
[  329.623135]  out_of_memory+0xa84/0x1430
[  329.627114]  ? oom_killer_disable+0x3a0/0x3a0
[  329.631627]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  329.636576]  ? __ww_mutex_check_waiters+0x160/0x160
[  329.641598]  __alloc_pages_slowpath+0x2354/0x2e10
[  329.646462]  ? warn_alloc+0x120/0x120
[  329.650259]  ? mark_held_locks+0x130/0x130
[  329.654495]  ? find_get_entry+0xaae/0x1120
[  329.658731]  ? filemap_map_pages+0x1a20/0x1a20
[  329.663313]  ? zap_class+0x640/0x640
[  329.667029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.672563]  ? check_preemption_disabled+0x48/0x280
[  329.677659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.683186]  ? should_fail+0x22d/0xd01
[  329.687075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.692178]  ? zap_class+0x640/0x640
[  329.695909]  ? __lock_is_held+0xb5/0x140
[  329.699973]  ? mark_held_locks+0x130/0x130
[  329.704206]  ? lock_release+0xa00/0xa00
[  329.708181]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.713631]  ? xa_load+0x2ba/0x460
[  329.717172]  ? lock_downgrade+0x900/0x900
[  329.721323]  ? __might_sleep+0x95/0x190
[  329.725384]  __alloc_pages_nodemask+0xa80/0xde0
[  329.730052]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.735065]  ? __page_cache_alloc+0x191/0x5c0
[  329.739550]  ? xa_load+0x2e1/0x460
[  329.743082]  ? xa_clear_mark+0x40/0x40
[  329.746964]  ? zap_class+0x640/0x640
[  329.750693]  ? zap_class+0x640/0x640
[  329.754401]  ? zap_class+0x640/0x640
[  329.758111]  ? __do_page_cache_readahead+0x663/0x810
[  329.763212]  ? find_held_lock+0x36/0x1c0
[  329.767270]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  329.772804]  alloc_pages_current+0x173/0x350
[  329.777218]  __page_cache_alloc+0x38c/0x5c0
[  329.781530]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.786454]  ? kasan_check_read+0x11/0x20
[  329.790594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.795870]  ? generic_perform_write+0x6a0/0x6a0
[  329.800619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.806156]  ? check_preemption_disabled+0x48/0x280
[  329.811181]  filemap_fault+0x1595/0x25f0
[  329.815246]  ? __lock_page_or_retry+0xa00/0xa00
[  329.819906]  ? mark_held_locks+0x130/0x130
[  329.824153]  ? filemap_map_pages+0xd6b/0x1a20
[  329.828649]  ? lock_downgrade+0x900/0x900
[  329.832793]  ? check_preemption_disabled+0x48/0x280
[  329.837802]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.842726]  ? kasan_check_read+0x11/0x20
[  329.846868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.852144]  ? rcu_softirq_qs+0x20/0x20
[  329.856215]  ? filemap_map_pages+0xd92/0x1a20
[  329.860802]  ? print_usage_bug+0xc0/0xc0
[  329.864862]  ? find_get_entries_tag+0x1400/0x1400
[  329.869698]  ? __kasan_slab_free+0x102/0x150
[  329.874101]  ? kasan_slab_free+0xe/0x10
[  329.878066]  ? kmem_cache_free+0x83/0x290
[  329.882205]  ? __sigqueue_free.part.29+0x74/0x90
[  329.886971]  ? lock_acquire+0x1ed/0x520
[  329.890938]  ? ext4_filemap_fault+0x7a/0xad
[  329.895261]  ? lock_release+0xa00/0xa00
[  329.899227]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.904673]  ? print_usage_bug+0xc0/0xc0
[  329.908727]  ? print_usage_bug+0xc0/0xc0
[  329.912808]  ? down_read+0x8d/0x120
[  329.916424]  ? ext4_filemap_fault+0x7a/0xad
[  329.920740]  ? __down_interruptible+0x700/0x700
[  329.925410]  ext4_filemap_fault+0x82/0xad
[  329.929551]  __do_fault+0x100/0x6b0
[  329.933181]  ? pmd_devmap_trans_unstable+0x220/0x220
[  329.938282]  ? mark_held_locks+0x130/0x130
[  329.942512]  ? mark_held_locks+0x130/0x130
[  329.946741]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  329.952272]  ? rcu_pm_notify+0xc0/0xc0
[  329.956165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.961705]  __handle_mm_fault+0x3ea0/0x5be0
[  329.966111]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  329.970946]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.975435]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.980022]  ? trace_hardirqs_on+0xbd/0x310
[  329.984340]  ? kasan_check_read+0x11/0x20
[  329.988483]  ? __set_current_blocked+0xdf/0x120
[  329.993158]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.998269]  ? zap_class+0x640/0x640
[  330.001974]  ? zap_class+0x640/0x640
[  330.005688]  ? find_held_lock+0x36/0x1c0
[  330.009749]  ? handle_mm_fault+0x42a/0xc70
[  330.013978]  ? lock_downgrade+0x900/0x900
[  330.018121]  ? check_preemption_disabled+0x48/0x280
[  330.023145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.028070]  ? kasan_check_read+0x11/0x20
[  330.032211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.037477]  ? rcu_softirq_qs+0x20/0x20
[  330.041443]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.046538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.052073]  ? check_preemption_disabled+0x48/0x280
[  330.057091]  handle_mm_fault+0x54f/0xc70
[  330.061158]  ? __handle_mm_fault+0x5be0/0x5be0
[  330.065828]  ? find_vma+0x34/0x190
[  330.069365]  __do_page_fault+0x5e8/0xe60
[  330.073420]  ? exit_to_usermode_loop+0x1f4/0x380
[  330.078180]  do_page_fault+0xf2/0x7e0
[  330.081978]  ? vmalloc_sync_all+0x30/0x30
[  330.086128]  ? error_entry+0x70/0xd0
[  330.089837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.094844]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.099765]  ? syscall_return_slowpath+0x5e0/0x5e0
[  330.104686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.109521]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.114530]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.119981]  ? prepare_exit_to_usermode+0x291/0x3b0
[  330.125000]  ? page_fault+0x8/0x30
[  330.128538]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.133372]  ? page_fault+0x8/0x30
[  330.136906]  page_fault+0x1e/0x30
[  330.140353] RIP: 0033:0x45db60
[  330.143550] Code: Bad RIP value.
[  330.146900] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  330.152250] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  330.159514] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  330.166775] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  330.174049] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  330.181307] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  330.188586] warn_alloc_show_mem: 1 callbacks suppressed
[  330.188595] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  330.188596] Mem-Info:
[  330.188625] active_anon:48041 inactive_anon:196 isolated_anon:0
[  330.188625]  active_file:13 inactive_file:15 isolated_file:0
[  330.188625]  unevictable:0 dirty:0 writeback:0 unstable:0
[  330.188625]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  330.188625]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  330.188625]  free:13795 free_pcp:455 free_cma:0
[  330.193953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.193959] Call Trace:
[  330.201316] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  330.203862]  <IRQ>
[  330.236721] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  330.246073]  dump_stack+0x244/0x39d
[  330.248620] lowmem_reserve[]: 0 2818 6321 6321
[  330.276031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.278152] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  330.304276]  warn_alloc.cold.116+0xb7/0x1bd
[  330.307861] lowmem_reserve[]: 0 0 3503 3503
[  330.312434]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.317589] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  330.345336]  ? lock_downgrade+0x900/0x900
[  330.349621] lowmem_reserve[]: 0 0 0 0
[  330.353942]  ? trace_hardirqs_off+0xb8/0x310
[  330.358753] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  330.388495]  ? trace_hardirqs_off+0xb8/0x310
[  330.392615] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  330.396410]  __alloc_pages_slowpath+0x26e8/0x2e10
[  330.400791] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  330.414326]  ? warn_alloc+0x120/0x120
[  330.418693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.434891]  ? warn_alloc+0x120/0x120
[  330.439709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.454885]  ? __lock_acquire+0x62f/0x4c20
[  330.458660] 272 total pagecache pages
[  330.467478]  ? warn_alloc+0x120/0x120
[  330.471257] 0 pages in swap cache
[  330.479811]  ? print_usage_bug+0xc0/0xc0
[  330.484018] Swap cache stats: add 0, delete 0, find 0/0
[  330.487799]  ? print_usage_bug+0xc0/0xc0
[  330.491571] Free swap  = 0kB
[  330.495008]  ? mark_held_locks+0x130/0x130
[  330.499039] Total swap = 0kB
[  330.504388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.508418] 1965979 pages RAM
[  330.511424]  ? should_fail+0x22d/0xd01
[  330.515634] 0 pages HighMem/MovableOnly
[  330.518639]  ? zap_class+0x640/0x640
[  330.524147] 342853 pages reserved
[  330.527240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.531103] 0 pages cma reserved
[  330.535065]  ? __lock_acquire+0x62f/0x4c20
[  330.538801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.542188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.547466] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.550650]  ? should_fail+0x22d/0xd01
[  330.554856] syz-fuzzer cpuset=/ mems_allowed=0
[  330.561343]  ? mark_held_locks+0x130/0x130
[  330.589270]  ? mark_held_locks+0x130/0x130
[  330.593497]  ? lock_downgrade+0x900/0x900
[  330.597643]  ? zap_class+0x640/0x640
[  330.601352]  ? zap_class+0x640/0x640
[  330.605064]  ? zap_class+0x640/0x640
[  330.608778]  ? do_raw_spin_unlock+0xa7/0x330
[  330.613181]  ? trace_hardirqs_on+0x310/0x310
[  330.617584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.623116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.628647]  ? check_preemption_disabled+0x48/0x280
[  330.633666]  ? __lock_is_held+0xb5/0x140
[  330.637726]  __alloc_pages_nodemask+0xa80/0xde0
[  330.642393]  ? zap_class+0x640/0x640
[  330.646113]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  330.651141]  ? find_held_lock+0x36/0x1c0
[  330.655204]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.659868]  ? lock_downgrade+0x900/0x900
[  330.664020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.669555]  cache_grow_begin+0xa5/0x8c0
[  330.673611]  ? do_raw_spin_unlock+0xa7/0x330
[  330.678026]  fallback_alloc+0x204/0x2e0
[  330.681998]  ____cache_alloc_node+0x1c7/0x1e0
[  330.686493]  kmem_cache_alloc_node+0xe3/0x730
[  330.690983]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.695565]  __alloc_skb+0x119/0x770
[  330.699271]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  330.704632]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.709044]  ? vprintk_default+0x28/0x30
[  330.713106]  ? vprintk_func+0x85/0x181
[  330.716990]  ? printk+0xa7/0xcf
[  330.720267]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  330.725025]  new_skb+0x26/0x1c0
[  330.728299]  aoecmd_cfg+0x279/0x7f0
[  330.731919]  ? find_held_lock+0x36/0x1c0
[  330.735977]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  330.740297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.745847]  ? __lock_is_held+0xb5/0x140
[  330.749915]  discover_timer+0x50/0x60
[  330.753709]  call_timer_fn+0x272/0x920
[  330.757595]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.762436]  ? process_timeout+0x40/0x40
[  330.766494]  ? __run_timers+0x7da/0xc70
[  330.770486]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.774977]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.779553]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.784391]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.788969]  ? trace_hardirqs_on+0xbd/0x310
[  330.793286]  ? kasan_check_read+0x11/0x20
[  330.797428]  ? __run_timers+0x7da/0xc70
[  330.801401]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.806510]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.811344]  __run_timers+0x7e5/0xc70
[  330.815156]  ? timer_fixup_init+0x70/0x70
[  330.819304]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.824404]  ? zap_class+0x640/0x640
[  330.828117]  ? enqueue_hrtimer+0x1a5/0x560
[  330.832348]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.837536]  ? find_held_lock+0x36/0x1c0
[  330.841597]  ? zap_class+0x640/0x640
[  330.845334]  ? pvclock_read_flags+0x160/0x160
[  330.849824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.855354]  ? check_preemption_disabled+0x48/0x280
[  330.860375]  ? __lock_is_held+0xb5/0x140
[  330.864430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.869961]  ? check_preemption_disabled+0x48/0x280
[  330.874977]  run_timer_softirq+0x52/0xb0
[  330.879036]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.884062]  __do_softirq+0x308/0xb7e
[  330.887872]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  330.892359]  ? lock_downgrade+0x900/0x900
[  330.896503]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.901607]  ? pvclock_read_flags+0x160/0x160
[  330.906095]  ? lapic_next_event+0x5a/0x90
[  330.910236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.915772]  ? kvm_clock_read+0x18/0x30
[  330.919741]  ? kvm_sched_clock_read+0x9/0x20
[  330.924144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.929673]  ? check_preemption_disabled+0x48/0x280
[  330.934695]  irq_exit+0x17f/0x1c0
[  330.938142]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.942978]  ? smp_reschedule_interrupt+0x109/0x650
[  330.947988]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.953863]  ? interrupt_entry+0xb5/0xc0
[  330.957922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.962929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.967941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.972776]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.977783]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.982801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.987660]  apic_timer_interrupt+0xf/0x20
[  330.991885]  </IRQ>
[  330.994118] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  330.999040] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  331.017939] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  331.025640] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  331.032899] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  331.040164] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  331.047422] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  331.054686] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  331.061979]  skb_clone+0x1bb/0x500
[  331.065515]  ? finish_task_switch+0x2f4/0x910
[  331.070005]  ? skb_split+0x11e0/0x11e0
[  331.073890]  ? preempt_notifier_register+0x200/0x200
[  331.078988]  ? __switch_to_asm+0x34/0x70
[  331.083051]  ? __switch_to_asm+0x34/0x70
[  331.087102]  ? __switch_to_asm+0x40/0x70
[  331.091152]  ? __switch_to_asm+0x34/0x70
[  331.095203]  ? __switch_to_asm+0x40/0x70
[  331.099256]  ? __switch_to_asm+0x34/0x70
[  331.103308]  ? __switch_to_asm+0x40/0x70
[  331.107361]  ? __switch_to_asm+0x34/0x70
[  331.111414]  ? __switch_to_asm+0x34/0x70
[  331.115470]  ? __switch_to_asm+0x40/0x70
[  331.119522]  ? __switch_to_asm+0x34/0x70
[  331.123586]  bpf_clone_redirect+0xb9/0x490
[  331.127819]  ? __schedule+0x8d7/0x21d0
[  331.131705]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  331.136720]  ? __sched_text_start+0x8/0x8
[  331.140863]  ? retint_kernel+0x2d/0x2d
[  331.144767]  ? find_held_lock+0x36/0x1c0
[  331.148829]  ? lock_acquire+0x1ed/0x520
[  331.152800]  ? bpf_test_run+0x3cb/0x780
[  331.156771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.162304]  ? check_preemption_disabled+0x48/0x280
[  331.167319]  ? kasan_check_read+0x11/0x20
[  331.171457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.176725]  ? rcu_softirq_qs+0x20/0x20
[  331.180692]  ? preempt_schedule+0x4d/0x60
[  331.184834]  ? ___preempt_schedule+0x16/0x18
[  331.189239]  ? bpf_test_run+0x25d/0x780
[  331.193217]  ? netlink_diag_dump+0x2a0/0x2a0
[  331.197626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.203159]  ? bpf_test_init.isra.10+0x70/0x100
[  331.207826]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  331.212601]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  331.217484]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  331.223014]  ? fput+0x130/0x1a0
[  331.226292]  ? __bpf_prog_get+0x9b/0x290
[  331.230351]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  331.235184]  ? bpf_prog_test_run+0x130/0x1a0
[  331.239591]  ? __x64_sys_bpf+0x3d8/0x520
[  331.243646]  ? bpf_prog_get+0x20/0x20
[  331.247457]  ? do_syscall_64+0x1b9/0x820
[  331.251513]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  331.256873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.261821]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.266834]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  331.271844]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  331.278498]  ? __switch_to_asm+0x40/0x70
[  331.282551]  ? __switch_to_asm+0x34/0x70
[  331.286614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.291455]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  331.296829] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  331.296919] aoe: skb alloc failure
[  331.303762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.303766] Call Trace:
[  331.303772]  <IRQ>
[  331.303787]  dump_stack+0x244/0x39d
[  331.303808]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.307345] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.316670]  warn_alloc.cold.116+0xb7/0x1bd
[  331.319234] syz-executor4 cpuset=syz4 mems_allowed=0
[  331.321387]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.354914]  ? lock_downgrade+0x900/0x900
[  331.359071]  ? trace_hardirqs_off+0xb8/0x310
[  331.363476]  ? trace_hardirqs_off+0xb8/0x310
[  331.367893]  __alloc_pages_slowpath+0x26e8/0x2e10
[  331.372753]  ? warn_alloc+0x120/0x120
[  331.376552]  ? warn_alloc+0x120/0x120
[  331.380345]  ? zap_class+0x640/0x640
[  331.384051]  ? warn_alloc+0x120/0x120
[  331.387851]  ? print_usage_bug+0xc0/0xc0
[  331.391907]  ? idle_cpu+0x1d0/0x1d0
[  331.395525]  ? kvm_sched_clock_read+0x9/0x20
[  331.399927]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.404935]  ? print_usage_bug+0xc0/0xc0
[  331.408995]  ? __lock_is_held+0xb5/0x140
[  331.413061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.418590]  ? should_fail+0x22d/0xd01
[  331.422477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.427575]  ? __lock_acquire+0x62f/0x4c20
[  331.431825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.436921]  ? __lock_acquire+0x62f/0x4c20
[  331.441150]  ? should_fail+0x22d/0xd01
[  331.445045]  ? mark_held_locks+0x130/0x130
[  331.449287]  ? mark_held_locks+0x130/0x130
[  331.453518]  ? __enqueue_entity+0x10d/0x1f0
[  331.457835]  ? zap_class+0x640/0x640
[  331.461545]  ? print_usage_bug+0xc0/0xc0
[  331.465602]  ? __lock_acquire+0x62f/0x4c20
[  331.469830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.475364]  ? check_preemption_disabled+0x48/0x280
[  331.480384]  ? __lock_is_held+0xb5/0x140
[  331.484442]  __alloc_pages_nodemask+0xa80/0xde0
[  331.489105]  ? zap_class+0x640/0x640
[  331.492816]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.497837]  ? find_held_lock+0x36/0x1c0
[  331.501900]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.506566]  ? lock_downgrade+0x900/0x900
[  331.510710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.516245]  cache_grow_begin+0xa5/0x8c0
[  331.520301]  ? do_raw_spin_unlock+0xa7/0x330
[  331.524710]  fallback_alloc+0x204/0x2e0
[  331.528682]  ____cache_alloc_node+0x1c7/0x1e0
[  331.533175]  kmem_cache_alloc_node+0xe3/0x730
[  331.537666]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.541900]  __alloc_skb+0x119/0x770
[  331.545604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.550876]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.555277]  ? lock_downgrade+0x900/0x900
[  331.559424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.565039]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.570491]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.575933]  ? addrconf_rs_timer+0x690/0x690
[  331.580346]  ndisc_alloc_skb+0x144/0x340
[  331.584403]  ndisc_send_rs+0x331/0x6e0
[  331.588287]  addrconf_rs_timer+0x314/0x690
[  331.592520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.596757]  call_timer_fn+0x272/0x920
[  331.600641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.604867]  ? process_timeout+0x40/0x40
[  331.608929]  ? mark_held_locks+0xc7/0x130
[  331.613071]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.617560]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.622050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.626277]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.630856]  ? trace_hardirqs_on+0xbd/0x310
[  331.635168]  ? kasan_check_read+0x11/0x20
[  331.639305]  ? __run_timers+0x7da/0xc70
[  331.643273]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.648377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.652601]  __run_timers+0x7e5/0xc70
[  331.656402]  ? timer_fixup_init+0x70/0x70
[  331.660543]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.665555]  ? zap_class+0x640/0x640
[  331.669267]  ? print_usage_bug+0xc0/0xc0
[  331.673323]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.678510]  ? find_held_lock+0x36/0x1c0
[  331.682568]  ? zap_class+0x640/0x640
[  331.686280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.691810]  ? check_preemption_disabled+0x48/0x280
[  331.696832]  ? __lock_is_held+0xb5/0x140
[  331.700886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.706421]  ? check_preemption_disabled+0x48/0x280
[  331.711433]  run_timer_softirq+0x52/0xb0
[  331.715488]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.720509]  __do_softirq+0x308/0xb7e
[  331.724306]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.728790]  ? lock_downgrade+0x900/0x900
[  331.732933]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.738039]  ? pvclock_read_flags+0x160/0x160
[  331.742528]  ? lapic_next_event+0x5a/0x90
[  331.746669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.752206]  ? kvm_clock_read+0x18/0x30
[  331.756173]  ? kvm_sched_clock_read+0x9/0x20
[  331.760576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.766103]  ? check_preemption_disabled+0x48/0x280
[  331.771118]  irq_exit+0x17f/0x1c0
[  331.774570]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.779408]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.785283]  ? interrupt_entry+0xb5/0xc0
[  331.789354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.794375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.799386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.804223]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.809232]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.814242]  ? task_prio+0x50/0x50
[  331.817778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.823308]  ? check_preemption_disabled+0x48/0x280
[  331.828325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.833166]  apic_timer_interrupt+0xf/0x20
[  331.837391]  </IRQ>
[  331.839621] RIP: 0010:console_unlock+0x102f/0x1190
[  331.844549] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  331.863440] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  331.871143] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  331.878402] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  331.885664] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  331.892922] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  331.900182] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  331.907453]  ? netconsole_netdev_event+0x280/0x280
[  331.912379]  ? console_unlock+0x1026/0x1190
[  331.916711]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  331.921375]  ? vprintk_emit+0x846/0x990
[  331.925345]  ? lock_release+0xa00/0xa00
[  331.929318]  ? trace_hardirqs_on+0x60/0x310
[  331.933629]  ? vprintk_default+0x28/0x30
[  331.937682]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.942783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.948319]  vprintk_emit+0x391/0x990
[  331.952118]  ? wake_up_klogd+0x180/0x180
[  331.956181]  ? find_held_lock+0x1/0x1c0
[  331.960157]  ? mark_held_locks+0xc7/0x130
[  331.964303]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.968794]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.973285]  vprintk_default+0x28/0x30
[  331.977169]  vprintk_func+0x7e/0x181
[  331.980876]  printk+0xa7/0xcf
[  331.983983]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  331.988738]  ? _raw_spin_unlock_irq+0x60/0x80
[  331.993238]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  331.998535]  dump_header+0x7cc/0xf72
[  332.002249]  ? pagefault_out_of_memory+0x197/0x197
[  332.007197]  ? __lock_acquire+0x62f/0x4c20
[  332.011425]  ? percpu_ref_get_many+0x240/0x240
[  332.016010]  ? print_usage_bug+0xc0/0xc0
[  332.020072]  ? zap_class+0x640/0x640
[  332.023783]  ? print_usage_bug+0xc0/0xc0
[  332.027837]  ? zap_class+0x640/0x640
[  332.031544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.037076]  ? find_held_lock+0x36/0x1c0
[  332.041138]  ? mark_held_locks+0xc7/0x130
[  332.045282]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  332.050375]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  332.055469]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.060055]  ? trace_hardirqs_on+0xbd/0x310
[  332.064378]  ? kasan_check_read+0x11/0x20
[  332.068517]  ? ___ratelimit+0x3b4/0x672
[  332.072485]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.077582]  ? trace_hardirqs_on+0x310/0x310
[  332.082006]  ? lock_downgrade+0x900/0x900
[  332.086151]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  332.091249]  ? ___ratelimit+0x3b9/0x672
[  332.095217]  ? idr_get_free+0xf70/0xf70
[  332.099185]  ? find_held_lock+0x36/0x1c0
[  332.103252]  oom_kill_process.cold.27+0x10/0x903
[  332.108022]  ? zap_class+0x640/0x640
[  332.111734]  ? check_preemption_disabled+0x48/0x280
[  332.116745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.121668]  ? kasan_check_read+0x11/0x20
[  332.125811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.131084]  ? oom_evaluate_task+0x540/0x540
[  332.135499]  ? find_held_lock+0x36/0x1c0
[  332.139561]  ? out_of_memory+0x974/0x1430
[  332.143705]  ? lock_downgrade+0x900/0x900
[  332.147848]  ? check_preemption_disabled+0x48/0x280
[  332.152861]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.157786]  ? kasan_check_read+0x11/0x20
[  332.161933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.167213]  ? rcu_softirq_qs+0x20/0x20
[  332.171186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.176717]  ? oom_evaluate_task+0x302/0x540
[  332.181120]  out_of_memory+0xa84/0x1430
[  332.185098]  ? oom_killer_disable+0x3a0/0x3a0
[  332.189586]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  332.194514]  ? __ww_mutex_check_waiters+0x160/0x160
[  332.199534]  __alloc_pages_slowpath+0x2354/0x2e10
[  332.204630]  ? warn_alloc+0x120/0x120
[  332.208433]  ? mark_held_locks+0x130/0x130
[  332.212670]  ? find_get_entry+0xaae/0x1120
[  332.216909]  ? filemap_map_pages+0x1a20/0x1a20
[  332.221495]  ? zap_class+0x640/0x640
[  332.225207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.230738]  ? check_preemption_disabled+0x48/0x280
[  332.235746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.241275]  ? should_fail+0x22d/0xd01
[  332.245158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.250258]  ? zap_class+0x640/0x640
[  332.254006]  ? __lock_is_held+0xb5/0x140
[  332.258088]  ? mark_held_locks+0x130/0x130
[  332.262318]  ? lock_release+0xa00/0xa00
[  332.266289]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.271731]  ? xa_load+0x2ba/0x460
[  332.275265]  ? lock_downgrade+0x900/0x900
[  332.279417]  ? __might_sleep+0x95/0x190
[  332.283388]  __alloc_pages_nodemask+0xa80/0xde0
[  332.288076]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  332.293089]  ? __page_cache_alloc+0x191/0x5c0
[  332.297590]  ? xa_load+0x2e1/0x460
[  332.301130]  ? xa_clear_mark+0x40/0x40
[  332.305016]  ? zap_class+0x640/0x640
[  332.308727]  ? zap_class+0x640/0x640
[  332.312435]  ? zap_class+0x640/0x640
[  332.316141]  ? __do_page_cache_readahead+0x663/0x810
[  332.321239]  ? find_held_lock+0x36/0x1c0
[  332.325300]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  332.330841]  alloc_pages_current+0x173/0x350
[  332.335248]  __page_cache_alloc+0x38c/0x5c0
[  332.339562]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.344484]  ? kasan_check_read+0x11/0x20
[  332.348626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.353898]  ? generic_perform_write+0x6a0/0x6a0
[  332.358652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.364187]  ? check_preemption_disabled+0x48/0x280
[  332.369279]  filemap_fault+0x1595/0x25f0
[  332.373511]  ? __lock_page_or_retry+0xa00/0xa00
[  332.378177]  ? mark_held_locks+0x130/0x130
[  332.382416]  ? filemap_map_pages+0xd6b/0x1a20
[  332.386906]  ? lock_downgrade+0x900/0x900
[  332.391051]  ? check_preemption_disabled+0x48/0x280
[  332.396063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.400990]  ? kasan_check_read+0x11/0x20
[  332.405130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.410399]  ? rcu_softirq_qs+0x20/0x20
[  332.414378]  ? filemap_map_pages+0xd92/0x1a20
[  332.418870]  ? print_usage_bug+0xc0/0xc0
[  332.422939]  ? find_get_entries_tag+0x1400/0x1400
[  332.427777]  ? __kasan_slab_free+0x102/0x150
[  332.432180]  ? kasan_slab_free+0xe/0x10
[  332.436146]  ? kmem_cache_free+0x83/0x290
[  332.440287]  ? __sigqueue_free.part.29+0x74/0x90
[  332.445050]  ? lock_acquire+0x1ed/0x520
[  332.449020]  ? ext4_filemap_fault+0x7a/0xad
[  332.453338]  ? lock_release+0xa00/0xa00
[  332.457304]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.462749]  ? print_usage_bug+0xc0/0xc0
[  332.466806]  ? print_usage_bug+0xc0/0xc0
[  332.470871]  ? down_read+0x8d/0x120
[  332.474490]  ? ext4_filemap_fault+0x7a/0xad
[  332.478803]  ? __down_interruptible+0x700/0x700
[  332.483470]  ext4_filemap_fault+0x82/0xad
[  332.487613]  __do_fault+0x100/0x6b0
[  332.491237]  ? pmd_devmap_trans_unstable+0x220/0x220
[  332.496335]  ? mark_held_locks+0x130/0x130
[  332.500562]  ? mark_held_locks+0x130/0x130
[  332.504792]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  332.510324]  ? rcu_pm_notify+0xc0/0xc0
[  332.514212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.519749]  __handle_mm_fault+0x3ea0/0x5be0
[  332.524165]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  332.529001]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.533490]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.538074]  ? trace_hardirqs_on+0xbd/0x310
[  332.542391]  ? kasan_check_read+0x11/0x20
[  332.546530]  ? __set_current_blocked+0xdf/0x120
[  332.551192]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.556301]  ? zap_class+0x640/0x640
[  332.560015]  ? zap_class+0x640/0x640
[  332.563731]  ? find_held_lock+0x36/0x1c0
[  332.567792]  ? handle_mm_fault+0x42a/0xc70
[  332.572025]  ? lock_downgrade+0x900/0x900
[  332.576164]  ? check_preemption_disabled+0x48/0x280
[  332.581176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.586096]  ? kasan_check_read+0x11/0x20
[  332.590239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.595508]  ? rcu_softirq_qs+0x20/0x20
[  332.599473]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.604568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.610100]  ? check_preemption_disabled+0x48/0x280
[  332.615117]  handle_mm_fault+0x54f/0xc70
[  332.619173]  ? __handle_mm_fault+0x5be0/0x5be0
[  332.623751]  ? find_vma+0x34/0x190
[  332.627291]  __do_page_fault+0x5e8/0xe60
[  332.631344]  ? exit_to_usermode_loop+0x1f4/0x380
[  332.636097]  do_page_fault+0xf2/0x7e0
[  332.639890]  ? vmalloc_sync_all+0x30/0x30
[  332.644037]  ? error_entry+0x70/0xd0
[  332.647746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.652758]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.657682]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.662638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.667473]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.672495]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  332.677946]  ? prepare_exit_to_usermode+0x291/0x3b0
[  332.682962]  ? page_fault+0x8/0x30
[  332.686512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.691350]  ? page_fault+0x8/0x30
[  332.694884]  page_fault+0x1e/0x30
[  332.698335] RIP: 0033:0x45db60
[  332.701539] Code: Bad RIP value.
[  332.704895] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  332.710257] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  332.717520] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  332.724781] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  332.732042] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  332.739302] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  332.746584] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  332.746588] warn_alloc_show_mem: 1 callbacks suppressed
[  332.746594] Mem-Info:
[  332.753857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.759220] active_anon:48041 inactive_anon:196 isolated_anon:0
[  332.759220]  active_file:13 inactive_file:15 isolated_file:0
[  332.759220]  unevictable:0 dirty:0 writeback:0 unstable:0
[  332.759220]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  332.759220]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  332.759220]  free:13795 free_pcp:455 free_cma:0
[  332.761587] Call Trace:
[  332.770969] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  332.803802]  <IRQ>
[  332.806365] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  332.833762]  dump_stack+0x244/0x39d
[  332.835883] lowmem_reserve[]: 0 2818 6321 6321
[  332.861988]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.865583] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  332.870158]  warn_alloc.cold.116+0xb7/0x1bd
[  332.875312] lowmem_reserve[]: 0 0 3503 3503
[  332.903058]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.907352] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  332.911667]  ? lock_downgrade+0x900/0x900
[  332.916478] lowmem_reserve[]: 0 0 0 0
[  332.945445]  ? trace_hardirqs_off+0xb8/0x310
[  332.949554] 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
[  332.953346]  ? trace_hardirqs_off+0xb8/0x310
[  332.957720] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  332.971235]  __alloc_pages_slowpath+0x26e8/0x2e10
[  332.975610] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  332.991846]  ? warn_alloc+0x120/0x120
[  332.996646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  333.011800]  ? warn_alloc+0x120/0x120
[  333.015576] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  333.024395]  ? __lock_acquire+0x62f/0x4c20
[  333.028163] 272 total pagecache pages
[  333.036720]  ? warn_alloc+0x120/0x120
[  333.040936] 0 pages in swap cache
[  333.044713]  ? print_usage_bug+0xc0/0xc0
[  333.048575] Swap cache stats: add 0, delete 0, find 0/0
[  333.052008]  ? print_usage_bug+0xc0/0xc0
[  333.056041] Free swap  = 0kB
[  333.061387]  ? mark_held_locks+0x130/0x130
[  333.065420] Total swap = 0kB
[  333.068434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.072635] 1965979 pages RAM
[  333.075638]  ? should_fail+0x22d/0xd01
[  333.081146] 0 pages HighMem/MovableOnly
[  333.084238]  ? zap_class+0x640/0x640
[  333.088098] 342853 pages reserved
[  333.092056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.095735] 0 pages cma reserved
[  333.095813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  333.099181]  ? __lock_acquire+0x62f/0x4c20
[  333.104331] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.107609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.114072] syz-fuzzer cpuset=/ mems_allowed=0
[  333.118298]  ? should_fail+0x22d/0xd01
[  333.142045]  ? mark_held_locks+0x130/0x130
[  333.146280]  ? mark_held_locks+0x130/0x130
[  333.150508]  ? lock_downgrade+0x900/0x900
[  333.154649]  ? zap_class+0x640/0x640
[  333.158359]  ? zap_class+0x640/0x640
[  333.162070]  ? zap_class+0x640/0x640
[  333.165778]  ? do_raw_spin_unlock+0xa7/0x330
[  333.170180]  ? trace_hardirqs_on+0x310/0x310
[  333.174583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.180134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.185665]  ? check_preemption_disabled+0x48/0x280
[  333.190684]  ? __lock_is_held+0xb5/0x140
[  333.194743]  __alloc_pages_nodemask+0xa80/0xde0
[  333.199415]  ? zap_class+0x640/0x640
[  333.203139]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.208159]  ? find_held_lock+0x36/0x1c0
[  333.212657]  ? ____cache_alloc_node+0x1c7/0x1e0
[  333.217325]  ? lock_downgrade+0x900/0x900
[  333.221471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.227010]  cache_grow_begin+0xa5/0x8c0
[  333.231068]  ? do_raw_spin_unlock+0xa7/0x330
[  333.235477]  fallback_alloc+0x204/0x2e0
[  333.239454]  ____cache_alloc_node+0x1c7/0x1e0
[  333.243951]  kmem_cache_alloc_node+0xe3/0x730
[  333.248447]  ? lockdep_hardirqs_on+0x296/0x5b0
[  333.253031]  __alloc_skb+0x119/0x770
[  333.256741]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  333.262101]  ? netdev_alloc_frag+0x1f0/0x1f0
[  333.266512]  ? vprintk_default+0x28/0x30
[  333.270567]  ? vprintk_func+0x85/0x181
[  333.274450]  ? printk+0xa7/0xcf
[  333.277724]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  333.282483]  new_skb+0x26/0x1c0
[  333.285757]  aoecmd_cfg+0x279/0x7f0
[  333.289379]  ? find_held_lock+0x36/0x1c0
[  333.293439]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  333.297758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.303299]  ? __lock_is_held+0xb5/0x140
[  333.307368]  discover_timer+0x50/0x60
[  333.311163]  call_timer_fn+0x272/0x920
[  333.315044]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  333.319886]  ? process_timeout+0x40/0x40
[  333.323950]  ? __run_timers+0x7da/0xc70
[  333.327917]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.332412]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.336900]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  333.341738]  ? lockdep_hardirqs_on+0x296/0x5b0
[  333.346316]  ? trace_hardirqs_on+0xbd/0x310
[  333.350629]  ? kasan_check_read+0x11/0x20
[  333.354769]  ? __run_timers+0x7da/0xc70
[  333.358740]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.363863]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  333.368701]  __run_timers+0x7e5/0xc70
[  333.372503]  ? timer_fixup_init+0x70/0x70
[  333.376647]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  333.381656]  ? zap_class+0x640/0x640
[  333.385368]  ? enqueue_hrtimer+0x1a5/0x560
[  333.389606]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  333.394794]  ? find_held_lock+0x36/0x1c0
[  333.398860]  ? zap_class+0x640/0x640
[  333.402572]  ? pvclock_read_flags+0x160/0x160
[  333.407064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.412600]  ? check_preemption_disabled+0x48/0x280
[  333.417616]  ? __lock_is_held+0xb5/0x140
[  333.421670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.427201]  ? check_preemption_disabled+0x48/0x280
[  333.432219]  run_timer_softirq+0x52/0xb0
[  333.436275]  ? rcu_read_lock_sched_held+0x14f/0x180
[  333.441284]  __do_softirq+0x308/0xb7e
[  333.445084]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  333.449573]  ? lock_downgrade+0x900/0x900
[  333.453718]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  333.458821]  ? pvclock_read_flags+0x160/0x160
[  333.463320]  ? lapic_next_event+0x5a/0x90
[  333.467462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.472997]  ? kvm_clock_read+0x18/0x30
[  333.476966]  ? kvm_sched_clock_read+0x9/0x20
[  333.481367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.486900]  ? check_preemption_disabled+0x48/0x280
[  333.491915]  irq_exit+0x17f/0x1c0
[  333.495363]  smp_apic_timer_interrupt+0x1cb/0x760
[  333.500200]  ? smp_reschedule_interrupt+0x109/0x650
[  333.505210]  ? smp_call_function_single_interrupt+0x650/0x650
[  333.511085]  ? interrupt_entry+0xb5/0xc0
[  333.515139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.520146]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.525154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.529994]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.535000]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.540017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.544878]  apic_timer_interrupt+0xf/0x20
[  333.549101]  </IRQ>
[  333.551332] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  333.556257] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  333.575147] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  333.582847] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  333.590108] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  333.597374] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  333.604638] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  333.611902] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  333.619198]  skb_clone+0x1bb/0x500
[  333.622737]  ? finish_task_switch+0x2f4/0x910
[  333.627226]  ? skb_split+0x11e0/0x11e0
[  333.631112]  ? preempt_notifier_register+0x200/0x200
[  333.636204]  ? __switch_to_asm+0x34/0x70
[  333.640257]  ? __switch_to_asm+0x34/0x70
[  333.644305]  ? __switch_to_asm+0x40/0x70
[  333.648360]  ? __switch_to_asm+0x34/0x70
[  333.652416]  ? __switch_to_asm+0x40/0x70
[  333.656466]  ? __switch_to_asm+0x34/0x70
[  333.660514]  ? __switch_to_asm+0x40/0x70
[  333.664566]  ? __switch_to_asm+0x34/0x70
[  333.668623]  ? __switch_to_asm+0x34/0x70
[  333.672677]  ? __switch_to_asm+0x40/0x70
[  333.676730]  ? __switch_to_asm+0x34/0x70
[  333.680787]  bpf_clone_redirect+0xb9/0x490
[  333.685014]  ? __schedule+0x8d7/0x21d0
[  333.688896]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  333.693908]  ? __sched_text_start+0x8/0x8
[  333.698049]  ? retint_kernel+0x2d/0x2d
[  333.701939]  ? find_held_lock+0x36/0x1c0
[  333.706000]  ? lock_acquire+0x1ed/0x520
[  333.709973]  ? bpf_test_run+0x3cb/0x780
[  333.713942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.719476]  ? check_preemption_disabled+0x48/0x280
[  333.724488]  ? kasan_check_read+0x11/0x20
[  333.728627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.733895]  ? rcu_softirq_qs+0x20/0x20
[  333.737864]  ? preempt_schedule+0x4d/0x60
[  333.742005]  ? ___preempt_schedule+0x16/0x18
[  333.746417]  ? bpf_test_run+0x25d/0x780
[  333.750397]  ? netlink_diag_dump+0x2a0/0x2a0
[  333.754803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.760339]  ? bpf_test_init.isra.10+0x70/0x100
[  333.765007]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  333.769768]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  333.774605]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  333.780137]  ? fput+0x130/0x1a0
[  333.783415]  ? __bpf_prog_get+0x9b/0x290
[  333.787472]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  333.792307]  ? bpf_prog_test_run+0x130/0x1a0
[  333.796714]  ? __x64_sys_bpf+0x3d8/0x520
[  333.800773]  ? bpf_prog_get+0x20/0x20
[  333.804582]  ? do_syscall_64+0x1b9/0x820
[  333.808638]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  333.813997]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.818922]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.823933]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  333.828942]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  333.835599]  ? __switch_to_asm+0x40/0x70
[  333.839652]  ? __switch_to_asm+0x34/0x70
[  333.843713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.848553]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  333.853937] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  333.853991] aoe: skb alloc failure
[  333.860860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.860867] Call Trace:
[  333.864438] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.873718]  <IRQ>
[  333.876279] syz-executor4 cpuset=syz4 mems_allowed=0
[  333.886754]  dump_stack+0x244/0x39d
[  333.897581]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.902779]  warn_alloc.cold.116+0xb7/0x1bd
[  333.907101]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.911941]  ? lock_downgrade+0x900/0x900
[  333.916087]  ? trace_hardirqs_off+0xb8/0x310
[  333.920493]  ? trace_hardirqs_off+0xb8/0x310
[  333.924910]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.929769]  ? warn_alloc+0x120/0x120
[  333.933566]  ? print_usage_bug+0xc0/0xc0
[  333.937624]  ? warn_alloc+0x120/0x120
[  333.941420]  ? warn_alloc+0x120/0x120
[  333.945217]  ? print_usage_bug+0xc0/0xc0
[  333.949273]  ? kvm_clock_read+0x18/0x30
[  333.953240]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  333.958269]  ? print_usage_bug+0xc0/0xc0
[  333.962323]  ? __lock_acquire+0x62f/0x4c20
[  333.966556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.972087]  ? should_fail+0x22d/0xd01
[  333.975972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.981246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.986345]  ? __lock_acquire+0x62f/0x4c20
[  333.990577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.995669]  ? __lock_acquire+0x62f/0x4c20
[  333.999893]  ? should_fail+0x22d/0xd01
[  334.003772]  ? rcu_irq_exit+0x1a2/0x390
[  334.007750]  ? mark_held_locks+0x130/0x130
[  334.011980]  ? mark_held_locks+0x130/0x130
[  334.016212]  ? mark_held_locks+0xc7/0x130
[  334.020359]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  334.025367]  ? zap_class+0x640/0x640
[  334.029072]  ? print_usage_bug+0xc0/0xc0
[  334.033143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.038673]  ? check_preemption_disabled+0x48/0x280
[  334.043696]  ? __lock_is_held+0xb5/0x140
[  334.047756]  __alloc_pages_nodemask+0xa80/0xde0
[  334.052417]  ? zap_class+0x640/0x640
[  334.056129]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.061150]  ? find_held_lock+0x36/0x1c0
[  334.065213]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.069875]  ? lock_downgrade+0x900/0x900
[  334.074021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.079557]  cache_grow_begin+0xa5/0x8c0
[  334.083626]  ? do_raw_spin_unlock+0xa7/0x330
[  334.088033]  fallback_alloc+0x204/0x2e0
[  334.092006]  ____cache_alloc_node+0x1c7/0x1e0
[  334.096502]  kmem_cache_alloc_node+0xe3/0x730
[  334.100991]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.105238]  __alloc_skb+0x119/0x770
[  334.108962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.114234]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.118637]  ? lock_downgrade+0x900/0x900
[  334.122802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.128335]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.133781]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.139234]  ? addrconf_rs_timer+0x690/0x690
[  334.143643]  ndisc_alloc_skb+0x144/0x340
[  334.147701]  ndisc_send_rs+0x331/0x6e0
[  334.151586]  addrconf_rs_timer+0x314/0x690
[  334.155837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.160073]  call_timer_fn+0x272/0x920
[  334.163956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.168183]  ? process_timeout+0x40/0x40
[  334.172246]  ? mark_held_locks+0xc7/0x130
[  334.176390]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.180873]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.185361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.189587]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.194169]  ? trace_hardirqs_on+0xbd/0x310
[  334.198486]  ? kasan_check_read+0x11/0x20
[  334.202624]  ? __run_timers+0x7da/0xc70
[  334.206834]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.211954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.216188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.220414]  __run_timers+0x7e5/0xc70
[  334.224216]  ? timer_fixup_init+0x70/0x70
[  334.228361]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.233369]  ? zap_class+0x640/0x640
[  334.237080]  ? print_usage_bug+0xc0/0xc0
[  334.241136]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.246325]  ? find_held_lock+0x36/0x1c0
[  334.250384]  ? zap_class+0x640/0x640
[  334.254097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.259646]  ? check_preemption_disabled+0x48/0x280
[  334.264664]  ? __lock_is_held+0xb5/0x140
[  334.268826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.274357]  ? check_preemption_disabled+0x48/0x280
[  334.279368]  run_timer_softirq+0x52/0xb0
[  334.283424]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.288435]  __do_softirq+0x308/0xb7e
[  334.292233]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.296722]  ? lock_downgrade+0x900/0x900
[  334.300870]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.305974]  ? pvclock_read_flags+0x160/0x160
[  334.310462]  ? lapic_next_event+0x5a/0x90
[  334.314608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.320141]  ? kvm_clock_read+0x18/0x30
[  334.324113]  ? kvm_sched_clock_read+0x9/0x20
[  334.328517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.334050]  ? check_preemption_disabled+0x48/0x280
[  334.339068]  irq_exit+0x17f/0x1c0
[  334.342513]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.347354]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.353230]  ? interrupt_entry+0xb5/0xc0
[  334.357284]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.362296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.367305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.372318]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.377324]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.382337]  ? task_prio+0x50/0x50
[  334.385875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.391406]  ? check_preemption_disabled+0x48/0x280
[  334.396434]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.401278]  apic_timer_interrupt+0xf/0x20
[  334.405499]  </IRQ>
[  334.407730] RIP: 0010:console_unlock+0x102f/0x1190
[  334.412651] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  334.431560] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  334.439259] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  334.446517] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  334.453784] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  334.461048] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  334.468310] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  334.475579]  ? netconsole_netdev_event+0x280/0x280
[  334.480506]  ? console_unlock+0x1026/0x1190
[  334.484836]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  334.489494]  ? vprintk_emit+0x846/0x990
[  334.493468]  ? lock_release+0xa00/0xa00
[  334.497610]  ? trace_hardirqs_on+0x60/0x310
[  334.501927]  ? vprintk_default+0x28/0x30
[  334.505987]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.511090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.516632]  vprintk_emit+0x391/0x990
[  334.520430]  ? wake_up_klogd+0x180/0x180
[  334.524491]  ? find_held_lock+0x1/0x1c0
[  334.528472]  ? mark_held_locks+0xc7/0x130
[  334.532633]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.537121]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.541613]  vprintk_default+0x28/0x30
[  334.545493]  vprintk_func+0x7e/0x181
[  334.549200]  printk+0xa7/0xcf
[  334.552301]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  334.557051]  ? _raw_spin_unlock_irq+0x60/0x80
[  334.561549]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  334.566839]  dump_header+0x7cc/0xf72
[  334.570559]  ? pagefault_out_of_memory+0x197/0x197
[  334.575494]  ? __lock_acquire+0x62f/0x4c20
[  334.579724]  ? percpu_ref_get_many+0x240/0x240
[  334.584307]  ? print_usage_bug+0xc0/0xc0
[  334.588366]  ? zap_class+0x640/0x640
[  334.592074]  ? print_usage_bug+0xc0/0xc0
[  334.596131]  ? zap_class+0x640/0x640
[  334.599845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.605382]  ? find_held_lock+0x36/0x1c0
[  334.609445]  ? mark_held_locks+0xc7/0x130
[  334.613590]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  334.618690]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  334.623796]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.628373]  ? trace_hardirqs_on+0xbd/0x310
[  334.632687]  ? kasan_check_read+0x11/0x20
[  334.636827]  ? ___ratelimit+0x3b4/0x672
[  334.640802]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.645901]  ? trace_hardirqs_on+0x310/0x310
[  334.650304]  ? lock_downgrade+0x900/0x900
[  334.654450]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  334.659548]  ? ___ratelimit+0x3b9/0x672
[  334.663518]  ? idr_get_free+0xf70/0xf70
[  334.667484]  ? find_held_lock+0x36/0x1c0
[  334.671547]  oom_kill_process.cold.27+0x10/0x903
[  334.676296]  ? zap_class+0x640/0x640
[  334.680008]  ? check_preemption_disabled+0x48/0x280
[  334.685019]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.689944]  ? kasan_check_read+0x11/0x20
[  334.694083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.699353]  ? oom_evaluate_task+0x540/0x540
[  334.703762]  ? find_held_lock+0x36/0x1c0
[  334.707822]  ? out_of_memory+0x974/0x1430
[  334.711961]  ? lock_downgrade+0x900/0x900
[  334.716100]  ? check_preemption_disabled+0x48/0x280
[  334.721112]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.726119]  ? kasan_check_read+0x11/0x20
[  334.730263]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.735529]  ? rcu_softirq_qs+0x20/0x20
[  334.739502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.745026]  ? oom_evaluate_task+0x302/0x540
[  334.749519]  out_of_memory+0xa84/0x1430
[  334.753501]  ? oom_killer_disable+0x3a0/0x3a0
[  334.757987]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  334.762911]  ? __ww_mutex_check_waiters+0x160/0x160
[  334.767931]  __alloc_pages_slowpath+0x2354/0x2e10
[  334.772798]  ? warn_alloc+0x120/0x120
[  334.776588]  ? mark_held_locks+0x130/0x130
[  334.780818]  ? find_get_entry+0xaae/0x1120
[  334.785056]  ? filemap_map_pages+0x1a20/0x1a20
[  334.789636]  ? zap_class+0x640/0x640
[  334.793346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.798877]  ? check_preemption_disabled+0x48/0x280
[  334.803884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.809414]  ? should_fail+0x22d/0xd01
[  334.813299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.818397]  ? zap_class+0x640/0x640
[  334.822126]  ? __lock_is_held+0xb5/0x140
[  334.826189]  ? mark_held_locks+0x130/0x130
[  334.830423]  ? lock_release+0xa00/0xa00
[  334.834391]  ? perf_trace_sched_process_exec+0x860/0x860
[  334.839831]  ? xa_load+0x2ba/0x460
[  334.843363]  ? lock_downgrade+0x900/0x900
[  334.847542]  ? __might_sleep+0x95/0x190
[  334.851515]  __alloc_pages_nodemask+0xa80/0xde0
[  334.856181]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.861188]  ? __page_cache_alloc+0x191/0x5c0
[  334.865686]  ? xa_load+0x2e1/0x460
[  334.869217]  ? xa_clear_mark+0x40/0x40
[  334.873096]  ? zap_class+0x640/0x640
[  334.876809]  ? zap_class+0x640/0x640
[  334.880514]  ? zap_class+0x640/0x640
[  334.884221]  ? __do_page_cache_readahead+0x663/0x810
[  334.889317]  ? find_held_lock+0x36/0x1c0
[  334.893387]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  334.898917]  alloc_pages_current+0x173/0x350
[  334.903323]  __page_cache_alloc+0x38c/0x5c0
[  334.907633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.912644]  ? kasan_check_read+0x11/0x20
[  334.916803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.922072]  ? generic_perform_write+0x6a0/0x6a0
[  334.926825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.932351]  ? check_preemption_disabled+0x48/0x280
[  334.937363]  filemap_fault+0x1595/0x25f0
[  334.941428]  ? __lock_page_or_retry+0xa00/0xa00
[  334.946089]  ? mark_held_locks+0x130/0x130
[  334.950323]  ? filemap_map_pages+0xd6b/0x1a20
[  334.954815]  ? lock_downgrade+0x900/0x900
[  334.958958]  ? check_preemption_disabled+0x48/0x280
[  334.963969]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.968890]  ? kasan_check_read+0x11/0x20
[  334.973034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.978319]  ? rcu_softirq_qs+0x20/0x20
[  334.982296]  ? filemap_map_pages+0xd92/0x1a20
[  334.986790]  ? print_usage_bug+0xc0/0xc0
[  334.990853]  ? find_get_entries_tag+0x1400/0x1400
[  334.995691]  ? __kasan_slab_free+0x102/0x150
[  335.000097]  ? kasan_slab_free+0xe/0x10
[  335.004063]  ? kmem_cache_free+0x83/0x290
[  335.008209]  ? __sigqueue_free.part.29+0x74/0x90
[  335.012983]  ? lock_acquire+0x1ed/0x520
[  335.016952]  ? ext4_filemap_fault+0x7a/0xad
[  335.021272]  ? lock_release+0xa00/0xa00
[  335.025235]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.030678]  ? print_usage_bug+0xc0/0xc0
[  335.034736]  ? print_usage_bug+0xc0/0xc0
[  335.038806]  ? down_read+0x8d/0x120
[  335.042424]  ? ext4_filemap_fault+0x7a/0xad
[  335.046747]  ? __down_interruptible+0x700/0x700
[  335.051438]  ext4_filemap_fault+0x82/0xad
[  335.055582]  __do_fault+0x100/0x6b0
[  335.059201]  ? pmd_devmap_trans_unstable+0x220/0x220
[  335.064296]  ? mark_held_locks+0x130/0x130
[  335.068521]  ? mark_held_locks+0x130/0x130
[  335.072849]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  335.078383]  ? rcu_pm_notify+0xc0/0xc0
[  335.082266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.087816]  __handle_mm_fault+0x3ea0/0x5be0
[  335.092224]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  335.097054]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.101546]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.106143]  ? trace_hardirqs_on+0xbd/0x310
[  335.110455]  ? kasan_check_read+0x11/0x20
[  335.114611]  ? __set_current_blocked+0xdf/0x120
[  335.119347]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.124452]  ? zap_class+0x640/0x640
[  335.128158]  ? zap_class+0x640/0x640
[  335.131871]  ? find_held_lock+0x36/0x1c0
[  335.135950]  ? handle_mm_fault+0x42a/0xc70
[  335.140182]  ? lock_downgrade+0x900/0x900
[  335.144325]  ? check_preemption_disabled+0x48/0x280
[  335.149336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.154254]  ? kasan_check_read+0x11/0x20
[  335.158400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.163668]  ? rcu_softirq_qs+0x20/0x20
[  335.167631]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.172728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.178258]  ? check_preemption_disabled+0x48/0x280
[  335.183273]  handle_mm_fault+0x54f/0xc70
[  335.187431]  ? __handle_mm_fault+0x5be0/0x5be0
[  335.192011]  ? find_vma+0x34/0x190
[  335.195550]  __do_page_fault+0x5e8/0xe60
[  335.199605]  ? exit_to_usermode_loop+0x1f4/0x380
[  335.204360]  do_page_fault+0xf2/0x7e0
[  335.208157]  ? vmalloc_sync_all+0x30/0x30
[  335.212299]  ? error_entry+0x70/0xd0
[  335.216006]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.221016]  ? trace_hardirqs_on_caller+0xc0/0x310
[  335.225935]  ? syscall_return_slowpath+0x5e0/0x5e0
[  335.230857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.235695]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.240720]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  335.246183]  ? prepare_exit_to_usermode+0x291/0x3b0
[  335.251194]  ? page_fault+0x8/0x30
[  335.254730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.259568]  ? page_fault+0x8/0x30
[  335.263189]  page_fault+0x1e/0x30
[  335.266632] RIP: 0033:0x45db60
[  335.269832] Code: Bad RIP value.
[  335.273214] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  335.278578] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  335.285841] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  335.293104] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  335.300366] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  335.307627] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  335.314903] warn_alloc_show_mem: 1 callbacks suppressed
[  335.314912] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  335.314913] Mem-Info:
[  335.314942] active_anon:48041 inactive_anon:196 isolated_anon:0
[  335.314942]  active_file:13 inactive_file:15 isolated_file:0
[  335.314942]  unevictable:0 dirty:0 writeback:0 unstable:0
[  335.314942]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  335.314942]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  335.314942]  free:13795 free_pcp:455 free_cma:0
[  335.320278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  335.327548] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  335.329935] Call Trace:
[  335.362790] 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
[  335.372130]  <IRQ>
[  335.399508] lowmem_reserve[]: 0 2818 6321 6321
[  335.402088]  dump_stack+0x244/0x39d
[  335.428165] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  335.430305]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.434853] lowmem_reserve[]: 0 0 3503 3503
[  335.438498]  warn_alloc.cold.116+0xb7/0x1bd
[  335.466219] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  335.471402]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  335.475697] lowmem_reserve[]: 0 0 0 0
[  335.480008]  ? lock_downgrade+0x900/0x900
[  335.508944] 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
[  335.513789]  ? trace_hardirqs_off+0xb8/0x310
[  335.517553] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  335.521696]  ? trace_hardirqs_off+0xb8/0x310
[  335.535278] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  335.539696]  __alloc_pages_slowpath+0x26e8/0x2e10
[  335.555883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  335.560293]  ? warn_alloc+0x120/0x120
[  335.575419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  335.580243]  ? warn_alloc+0x120/0x120
[  335.589048] 272 total pagecache pages
[  335.592836]  ? warn_alloc+0x120/0x120
[  335.601387] 0 pages in swap cache
[  335.605168]  ? print_usage_bug+0xc0/0xc0
[  335.608942] Swap cache stats: add 0, delete 0, find 0/0
[  335.612726]  ? print_usage_bug+0xc0/0xc0
[  335.616148] Free swap  = 0kB
[  335.620191]  ? ktime_get+0x2c1/0x400
[  335.625522] Total swap = 0kB
[  335.629568]  ? check_preemption_disabled+0x48/0x280
[  335.632553] 1965979 pages RAM
[  335.636247]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  335.639233] 0 pages HighMem/MovableOnly
[  335.644234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.647308] 342853 pages reserved
[  335.651784]  ? should_fail+0x22d/0xd01
[  335.655727] 0 pages cma reserved
[  335.661263]  ? kasan_check_read+0x11/0x20
[  335.664760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  335.668561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.671951] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  335.676029]  ? __lock_acquire+0x62f/0x4c20
[  335.682490] syz-fuzzer cpuset=/ mems_allowed=0
[  335.687581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.711637]  ? should_fail+0x22d/0xd01
[  335.715521]  ? print_usage_bug+0xc0/0xc0
[  335.719582]  ? mark_held_locks+0x130/0x130
[  335.723812]  ? mark_held_locks+0x130/0x130
[  335.728040]  ? check_preemption_disabled+0x48/0x280
[  335.733057]  ? zap_class+0x640/0x640
[  335.736768]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  335.741523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.747051]  ? check_preemption_disabled+0x48/0x280
[  335.752072]  ? __lock_is_held+0xb5/0x140
[  335.756131]  __alloc_pages_nodemask+0xa80/0xde0
[  335.760820]  ? zap_class+0x640/0x640
[  335.764533]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  335.769554]  ? find_held_lock+0x36/0x1c0
[  335.773614]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.778282]  ? lock_downgrade+0x900/0x900
[  335.782427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.787963]  cache_grow_begin+0xa5/0x8c0
[  335.792018]  ? do_raw_spin_unlock+0xa7/0x330
[  335.796422]  fallback_alloc+0x204/0x2e0
[  335.800410]  ____cache_alloc_node+0x1c7/0x1e0
[  335.804905]  kmem_cache_alloc_node+0xe3/0x730
[  335.809397]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.813982]  __alloc_skb+0x119/0x770
[  335.817686]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  335.823043]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.827447]  ? vprintk_default+0x28/0x30
[  335.831510]  ? vprintk_func+0x85/0x181
[  335.835397]  ? printk+0xa7/0xcf
[  335.838679]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  335.843436]  new_skb+0x26/0x1c0
[  335.846712]  aoecmd_cfg+0x279/0x7f0
[  335.850332]  ? find_held_lock+0x36/0x1c0
[  335.854388]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  335.858713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.864255]  ? __lock_is_held+0xb5/0x140
[  335.868318]  discover_timer+0x50/0x60
[  335.872113]  call_timer_fn+0x272/0x920
[  335.875991]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.880826]  ? process_timeout+0x40/0x40
[  335.884888]  ? __run_timers+0x7da/0xc70
[  335.888858]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.893344]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.897832]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.902675]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.907254]  ? trace_hardirqs_on+0xbd/0x310
[  335.911570]  ? kasan_check_read+0x11/0x20
[  335.915712]  ? __run_timers+0x7da/0xc70
[  335.919679]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.924788]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.929632]  __run_timers+0x7e5/0xc70
[  335.933439]  ? timer_fixup_init+0x70/0x70
[  335.937579]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.942586]  ? zap_class+0x640/0x640
[  335.946295]  ? enqueue_hrtimer+0x1a5/0x560
[  335.950522]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.955713]  ? find_held_lock+0x36/0x1c0
[  335.959773]  ? zap_class+0x640/0x640
[  335.963483]  ? pvclock_read_flags+0x160/0x160
[  335.967974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.973505]  ? check_preemption_disabled+0x48/0x280
[  335.978529]  ? __lock_is_held+0xb5/0x140
[  335.982584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.988116]  ? check_preemption_disabled+0x48/0x280
[  335.993129]  run_timer_softirq+0x52/0xb0
[  335.997191]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.002202]  __do_softirq+0x308/0xb7e
[  336.005998]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  336.010484]  ? lock_downgrade+0x900/0x900
[  336.014633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.019743]  ? pvclock_read_flags+0x160/0x160
[  336.024230]  ? lapic_next_event+0x5a/0x90
[  336.028388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.033923]  ? kvm_clock_read+0x18/0x30
[  336.037889]  ? kvm_sched_clock_read+0x9/0x20
[  336.042308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.047841]  ? check_preemption_disabled+0x48/0x280
[  336.052856]  irq_exit+0x17f/0x1c0
[  336.056311]  smp_apic_timer_interrupt+0x1cb/0x760
[  336.061243]  ? smp_reschedule_interrupt+0x109/0x650
[  336.066251]  ? smp_call_function_single_interrupt+0x650/0x650
[  336.072123]  ? interrupt_entry+0xb5/0xc0
[  336.076196]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.081204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.086219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.091057]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.096069]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.101085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.105924]  apic_timer_interrupt+0xf/0x20
[  336.110146]  </IRQ>
[  336.112378] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  336.117306] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  336.136198] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  336.143898] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  336.151239] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  336.158501] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  336.165761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  336.173023] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  336.180317]  skb_clone+0x1bb/0x500
[  336.183853]  ? finish_task_switch+0x2f4/0x910
[  336.188344]  ? skb_split+0x11e0/0x11e0
[  336.192229]  ? preempt_notifier_register+0x200/0x200
[  336.197321]  ? __switch_to_asm+0x34/0x70
[  336.201379]  ? __switch_to_asm+0x34/0x70
[  336.205731]  ? __switch_to_asm+0x40/0x70
[  336.209806]  ? __switch_to_asm+0x34/0x70
[  336.213859]  ? __switch_to_asm+0x40/0x70
[  336.217910]  ? __switch_to_asm+0x34/0x70
[  336.221961]  ? __switch_to_asm+0x40/0x70
[  336.226013]  ? __switch_to_asm+0x34/0x70
[  336.230067]  ? __switch_to_asm+0x34/0x70
[  336.234119]  ? __switch_to_asm+0x40/0x70
[  336.238173]  ? __switch_to_asm+0x34/0x70
[  336.242232]  bpf_clone_redirect+0xb9/0x490
[  336.246461]  ? __schedule+0x8d7/0x21d0
[  336.250345]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  336.255356]  ? __sched_text_start+0x8/0x8
[  336.259496]  ? retint_kernel+0x2d/0x2d
[  336.263382]  ? find_held_lock+0x36/0x1c0
[  336.267447]  ? lock_acquire+0x1ed/0x520
[  336.271416]  ? bpf_test_run+0x3cb/0x780
[  336.275384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.280915]  ? check_preemption_disabled+0x48/0x280
[  336.285934]  ? kasan_check_read+0x11/0x20
[  336.290077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.295345]  ? rcu_softirq_qs+0x20/0x20
[  336.299316]  ? preempt_schedule+0x4d/0x60
[  336.303459]  ? ___preempt_schedule+0x16/0x18
[  336.307869]  ? bpf_test_run+0x25d/0x780
[  336.311863]  ? netlink_diag_dump+0x2a0/0x2a0
[  336.316266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.321798]  ? bpf_test_init.isra.10+0x70/0x100
[  336.326463]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  336.331223]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.336062]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  336.341596]  ? fput+0x130/0x1a0
[  336.344880]  ? __bpf_prog_get+0x9b/0x290
[  336.348940]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.353774]  ? bpf_prog_test_run+0x130/0x1a0
[  336.358185]  ? __x64_sys_bpf+0x3d8/0x520
[  336.362242]  ? bpf_prog_get+0x20/0x20
[  336.366051]  ? do_syscall_64+0x1b9/0x820
[  336.370104]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  336.375990]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.380920]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.385930]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.390941]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  336.397602]  ? __switch_to_asm+0x40/0x70
[  336.401660]  ? __switch_to_asm+0x34/0x70
[  336.405719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.410559]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  336.415930] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  336.415989] aoe: skb alloc failure
[  336.422849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.422855] Call Trace:
[  336.426434] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.435720]  <IRQ>
[  336.438284] syz-executor4 cpuset=syz4 mems_allowed=0
[  336.448840]  dump_stack+0x244/0x39d
[  336.459743]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.464939]  warn_alloc.cold.116+0xb7/0x1bd
[  336.469257]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.474109]  ? lock_downgrade+0x900/0x900
[  336.478259]  ? trace_hardirqs_off+0xb8/0x310
[  336.482672]  ? trace_hardirqs_off+0xb8/0x310
[  336.487079]  __alloc_pages_slowpath+0x26e8/0x2e10
[  336.491943]  ? warn_alloc+0x120/0x120
[  336.495742]  ? print_usage_bug+0xc0/0xc0
[  336.499800]  ? warn_alloc+0x120/0x120
[  336.503603]  ? zap_class+0x640/0x640
[  336.507315]  ? warn_alloc+0x120/0x120
[  336.511111]  ? print_usage_bug+0xc0/0xc0
[  336.515168]  ? print_usage_bug+0xc0/0xc0
[  336.519226]  ? __lock_acquire+0x62f/0x4c20
[  336.523458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.528987]  ? should_fail+0x22d/0xd01
[  336.532874]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.537970]  ? __lock_acquire+0x62f/0x4c20
[  336.542207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.547310]  ? __lock_acquire+0x62f/0x4c20
[  336.551550]  ? should_fail+0x22d/0xd01
[  336.555447]  ? find_held_lock+0x36/0x1c0
[  336.559510]  ? mark_held_locks+0x130/0x130
[  336.563748]  ? mark_held_locks+0x130/0x130
[  336.567973]  ? zap_class+0x640/0x640
[  336.571680]  ? zap_class+0x640/0x640
[  336.575387]  ? print_usage_bug+0xc0/0xc0
[  336.579449]  ? do_raw_spin_unlock+0xa7/0x330
[  336.583853]  ? zap_class+0x640/0x640
[  336.587565]  ? print_usage_bug+0xc0/0xc0
[  336.591623]  ? wq_watchdog_touch+0x9c/0xfe
[  336.595857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.601392]  ? check_preemption_disabled+0x48/0x280
[  336.606414]  ? __lock_is_held+0xb5/0x140
[  336.610477]  __alloc_pages_nodemask+0xa80/0xde0
[  336.615138]  ? zap_class+0x640/0x640
[  336.618856]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  336.623874]  ? find_held_lock+0x36/0x1c0
[  336.627936]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.632607]  ? lock_downgrade+0x900/0x900
[  336.636755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.642287]  cache_grow_begin+0xa5/0x8c0
[  336.646338]  ? do_raw_spin_unlock+0xa7/0x330
[  336.650745]  fallback_alloc+0x204/0x2e0
[  336.654718]  ____cache_alloc_node+0x1c7/0x1e0
[  336.659209]  kmem_cache_alloc_node+0xe3/0x730
[  336.663698]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.667938]  __alloc_skb+0x119/0x770
[  336.671658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.676931]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.681332]  ? lock_downgrade+0x900/0x900
[  336.685477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.691007]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.696451]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.701892]  ? addrconf_rs_timer+0x690/0x690
[  336.706304]  ndisc_alloc_skb+0x144/0x340
[  336.710360]  ndisc_send_rs+0x331/0x6e0
[  336.714246]  addrconf_rs_timer+0x314/0x690
[  336.718476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.722717]  call_timer_fn+0x272/0x920
[  336.726601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.730854]  ? process_timeout+0x40/0x40
[  336.734914]  ? mark_held_locks+0xc7/0x130
[  336.739054]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.743542]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.748033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.752259]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.756837]  ? trace_hardirqs_on+0xbd/0x310
[  336.761152]  ? kasan_check_read+0x11/0x20
[  336.765293]  ? __run_timers+0x7da/0xc70
[  336.769263]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.774363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.778599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.782826]  __run_timers+0x7e5/0xc70
[  336.786630]  ? timer_fixup_init+0x70/0x70
[  336.790772]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  336.795782]  ? zap_class+0x640/0x640
[  336.799490]  ? print_usage_bug+0xc0/0xc0
[  336.803546]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  336.808740]  ? find_held_lock+0x36/0x1c0
[  336.812797]  ? zap_class+0x640/0x640
[  336.816506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.822038]  ? check_preemption_disabled+0x48/0x280
[  336.827054]  ? __lock_is_held+0xb5/0x140
[  336.831111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.836652]  ? check_preemption_disabled+0x48/0x280
[  336.841676]  run_timer_softirq+0x52/0xb0
[  336.845728]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.850736]  __do_softirq+0x308/0xb7e
[  336.854534]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  336.859020]  ? lock_downgrade+0x900/0x900
[  336.863164]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.868270]  ? pvclock_read_flags+0x160/0x160
[  336.872758]  ? lapic_next_event+0x5a/0x90
[  336.876905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.882438]  ? kvm_clock_read+0x18/0x30
[  336.886406]  ? kvm_sched_clock_read+0x9/0x20
[  336.890810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.896339]  ? check_preemption_disabled+0x48/0x280
[  336.901358]  irq_exit+0x17f/0x1c0
[  336.904808]  smp_apic_timer_interrupt+0x1cb/0x760
[  336.909646]  ? smp_call_function_single_interrupt+0x650/0x650
[  336.915518]  ? interrupt_entry+0xb5/0xc0
[  336.919597]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.924610]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.929624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.934461]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.939466]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.944475]  ? task_prio+0x50/0x50
[  336.948009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.953539]  ? check_preemption_disabled+0x48/0x280
[  336.958555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.963425]  apic_timer_interrupt+0xf/0x20
[  336.967645]  </IRQ>
[  336.969893] RIP: 0010:console_unlock+0x102f/0x1190
[  336.974819] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  336.993711] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  337.001431] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  337.008818] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  337.016080] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  337.023341] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  337.030604] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  337.037868]  ? netconsole_netdev_event+0x280/0x280
[  337.042794]  ? console_unlock+0x1026/0x1190
[  337.047141]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  337.051799]  ? vprintk_emit+0x846/0x990
[  337.055769]  ? lock_release+0xa00/0xa00
[  337.059735]  ? trace_hardirqs_on+0x60/0x310
[  337.064183]  ? vprintk_default+0x28/0x30
[  337.068238]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.073334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.078885]  vprintk_emit+0x391/0x990
[  337.082682]  ? wake_up_klogd+0x180/0x180
[  337.086738]  ? find_held_lock+0x1/0x1c0
[  337.090711]  ? mark_held_locks+0xc7/0x130
[  337.094848]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.099329]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.103819]  vprintk_default+0x28/0x30
[  337.107699]  vprintk_func+0x7e/0x181
[  337.111410]  printk+0xa7/0xcf
[  337.114510]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  337.119261]  ? _raw_spin_unlock_irq+0x60/0x80
[  337.123759]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  337.129056]  dump_header+0x7cc/0xf72
[  337.132769]  ? pagefault_out_of_memory+0x197/0x197
[  337.137712]  ? __lock_acquire+0x62f/0x4c20
[  337.141938]  ? percpu_ref_get_many+0x240/0x240
[  337.146512]  ? print_usage_bug+0xc0/0xc0
[  337.150579]  ? zap_class+0x640/0x640
[  337.154291]  ? print_usage_bug+0xc0/0xc0
[  337.158345]  ? zap_class+0x640/0x640
[  337.162056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.167591]  ? find_held_lock+0x36/0x1c0
[  337.171672]  ? mark_held_locks+0xc7/0x130
[  337.175812]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  337.180906]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  337.186005]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  337.190590]  ? trace_hardirqs_on+0xbd/0x310
[  337.194909]  ? kasan_check_read+0x11/0x20
[  337.199061]  ? ___ratelimit+0x3b4/0x672
[  337.203028]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.208124]  ? trace_hardirqs_on+0x310/0x310
[  337.212524]  ? lock_downgrade+0x900/0x900
[  337.216675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  337.221771]  ? ___ratelimit+0x3b9/0x672
[  337.225737]  ? idr_get_free+0xf70/0xf70
[  337.229701]  ? find_held_lock+0x36/0x1c0
[  337.233762]  oom_kill_process.cold.27+0x10/0x903
[  337.238527]  ? zap_class+0x640/0x640
[  337.242241]  ? check_preemption_disabled+0x48/0x280
[  337.247253]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  337.252171]  ? kasan_check_read+0x11/0x20
[  337.256310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.261587]  ? oom_evaluate_task+0x540/0x540
[  337.265992]  ? find_held_lock+0x36/0x1c0
[  337.270052]  ? out_of_memory+0x974/0x1430
[  337.274206]  ? lock_downgrade+0x900/0x900
[  337.278351]  ? check_preemption_disabled+0x48/0x280
[  337.283361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  337.288281]  ? kasan_check_read+0x11/0x20
[  337.292421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.297693]  ? rcu_softirq_qs+0x20/0x20
[  337.301680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.307207]  ? oom_evaluate_task+0x302/0x540
[  337.311611]  out_of_memory+0xa84/0x1430
[  337.315589]  ? oom_killer_disable+0x3a0/0x3a0
[  337.320078]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  337.325006]  ? __ww_mutex_check_waiters+0x160/0x160
[  337.330028]  __alloc_pages_slowpath+0x2354/0x2e10
[  337.334898]  ? warn_alloc+0x120/0x120
[  337.338688]  ? mark_held_locks+0x130/0x130
[  337.343011]  ? find_get_entry+0xaae/0x1120
[  337.347263]  ? filemap_map_pages+0x1a20/0x1a20
[  337.351846]  ? zap_class+0x640/0x640
[  337.355567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.361101]  ? check_preemption_disabled+0x48/0x280
[  337.366113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.371644]  ? should_fail+0x22d/0xd01
[  337.375534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.380630]  ? zap_class+0x640/0x640
[  337.384359]  ? __lock_is_held+0xb5/0x140
[  337.388419]  ? mark_held_locks+0x130/0x130
[  337.392648]  ? lock_release+0xa00/0xa00
[  337.396617]  ? perf_trace_sched_process_exec+0x860/0x860
[  337.402064]  ? xa_load+0x2ba/0x460
[  337.405600]  ? lock_downgrade+0x900/0x900
[  337.409749]  ? __might_sleep+0x95/0x190
[  337.413718]  __alloc_pages_nodemask+0xa80/0xde0
[  337.418387]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  337.423401]  ? __page_cache_alloc+0x191/0x5c0
[  337.427887]  ? xa_load+0x2e1/0x460
[  337.431425]  ? xa_clear_mark+0x40/0x40
[  337.435307]  ? zap_class+0x640/0x640
[  337.439030]  ? zap_class+0x640/0x640
[  337.442740]  ? zap_class+0x640/0x640
[  337.446450]  ? __do_page_cache_readahead+0x663/0x810
[  337.451558]  ? find_held_lock+0x36/0x1c0
[  337.455623]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  337.461159]  alloc_pages_current+0x173/0x350
[  337.465574]  __page_cache_alloc+0x38c/0x5c0
[  337.469891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  337.474814]  ? kasan_check_read+0x11/0x20
[  337.478957]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.484231]  ? generic_perform_write+0x6a0/0x6a0
[  337.488980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.494509]  ? check_preemption_disabled+0x48/0x280
[  337.499539]  filemap_fault+0x1595/0x25f0
[  337.503608]  ? __lock_page_or_retry+0xa00/0xa00
[  337.508284]  ? mark_held_locks+0x130/0x130
[  337.512522]  ? filemap_map_pages+0xd6b/0x1a20
[  337.517006]  ? lock_downgrade+0x900/0x900
[  337.521141]  ? check_preemption_disabled+0x48/0x280
[  337.526152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  337.531074]  ? kasan_check_read+0x11/0x20
[  337.535211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.540479]  ? rcu_softirq_qs+0x20/0x20
[  337.544463]  ? filemap_map_pages+0xd92/0x1a20
[  337.548955]  ? print_usage_bug+0xc0/0xc0
[  337.553017]  ? find_get_entries_tag+0x1400/0x1400
[  337.557851]  ? __kasan_slab_free+0x102/0x150
[  337.562253]  ? kasan_slab_free+0xe/0x10
[  337.566221]  ? kmem_cache_free+0x83/0x290
[  337.570362]  ? __sigqueue_free.part.29+0x74/0x90
[  337.575129]  ? lock_acquire+0x1ed/0x520
[  337.579096]  ? ext4_filemap_fault+0x7a/0xad
[  337.583417]  ? lock_release+0xa00/0xa00
[  337.587382]  ? perf_trace_sched_process_exec+0x860/0x860
[  337.592825]  ? print_usage_bug+0xc0/0xc0
[  337.596884]  ? print_usage_bug+0xc0/0xc0
[  337.600953]  ? down_read+0x8d/0x120
[  337.604572]  ? ext4_filemap_fault+0x7a/0xad
[  337.608889]  ? __down_interruptible+0x700/0x700
[  337.613565]  ext4_filemap_fault+0x82/0xad
[  337.617708]  __do_fault+0x100/0x6b0
[  337.621329]  ? pmd_devmap_trans_unstable+0x220/0x220
[  337.626428]  ? mark_held_locks+0x130/0x130
[  337.630659]  ? mark_held_locks+0x130/0x130
[  337.634893]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  337.640427]  ? rcu_pm_notify+0xc0/0xc0
[  337.644325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.649859]  __handle_mm_fault+0x3ea0/0x5be0
[  337.654266]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  337.659103]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.663601]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  337.668179]  ? trace_hardirqs_on+0xbd/0x310
[  337.672495]  ? kasan_check_read+0x11/0x20
[  337.676644]  ? __set_current_blocked+0xdf/0x120
[  337.681311]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.686422]  ? zap_class+0x640/0x640
[  337.690132]  ? zap_class+0x640/0x640
[  337.693843]  ? find_held_lock+0x36/0x1c0
[  337.697906]  ? handle_mm_fault+0x42a/0xc70
[  337.702134]  ? lock_downgrade+0x900/0x900
[  337.706275]  ? check_preemption_disabled+0x48/0x280
[  337.711287]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  337.716215]  ? kasan_check_read+0x11/0x20
[  337.720358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.725627]  ? rcu_softirq_qs+0x20/0x20
[  337.729596]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.734707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.740259]  ? check_preemption_disabled+0x48/0x280
[  337.745269]  handle_mm_fault+0x54f/0xc70
[  337.749324]  ? __handle_mm_fault+0x5be0/0x5be0
[  337.753904]  ? find_vma+0x34/0x190
[  337.757441]  __do_page_fault+0x5e8/0xe60
[  337.761504]  ? exit_to_usermode_loop+0x1f4/0x380
[  337.766259]  do_page_fault+0xf2/0x7e0
[  337.770058]  ? vmalloc_sync_all+0x30/0x30
[  337.774200]  ? error_entry+0x70/0xd0
[  337.777909]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.782918]  ? trace_hardirqs_on_caller+0xc0/0x310
[  337.787840]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.792887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.797724]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.802738]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  337.808186]  ? prepare_exit_to_usermode+0x291/0x3b0
[  337.813196]  ? page_fault+0x8/0x30
[  337.816736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.821573]  ? page_fault+0x8/0x30
[  337.825107]  page_fault+0x1e/0x30
[  337.828557] RIP: 0033:0x45db60
[  337.831758] Code: Bad RIP value.
[  337.835131] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  337.840484] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  337.847763] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  337.855036] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  337.862296] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  337.869558] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  337.876833] warn_alloc_show_mem: 1 callbacks suppressed
[  337.876842] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  337.876844] Mem-Info:
[  337.876873] active_anon:48041 inactive_anon:196 isolated_anon:0
[  337.876873]  active_file:13 inactive_file:15 isolated_file:0
[  337.876873]  unevictable:0 dirty:0 writeback:0 unstable:0
[  337.876873]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  337.876873]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  337.876873]  free:13795 free_pcp:455 free_cma:0
[  337.882201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.882207] Call Trace:
[  337.889479] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  337.891876]  <IRQ>
[  337.924729] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  337.934093]  dump_stack+0x244/0x39d
[  337.936642] lowmem_reserve[]: 0 2818 6321 6321
[  337.964135]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.966259] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  337.992360]  warn_alloc.cold.116+0xb7/0x1bd
[  337.995952] lowmem_reserve[]: 0 0 3503 3503
[  338.000525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.005687] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  338.033435]  ? lock_downgrade+0x900/0x900
[  338.037724] lowmem_reserve[]: 0 0 0 0
[  338.042044]  ? trace_hardirqs_off+0xb8/0x310
[  338.046852] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  338.075818]  ? trace_hardirqs_off+0xb8/0x310
[  338.079930] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  338.083726]  __alloc_pages_slowpath+0x26e8/0x2e10
[  338.088098] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  338.101631]  ? warn_alloc+0x120/0x120
[  338.105998] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  338.122303]  ? warn_alloc+0x120/0x120
[  338.127122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  338.142274]  ? warn_alloc+0x120/0x120
[  338.146044] 272 total pagecache pages
[  338.154867]  ? print_usage_bug+0xc0/0xc0
[  338.158650] 0 pages in swap cache
[  338.167204]  ? print_usage_bug+0xc0/0xc0
[  338.170980] Swap cache stats: add 0, delete 0, find 0/0
[  338.174760]  ? ktime_get+0x2c1/0x400
[  338.178789] Free swap  = 0kB
[  338.182229]  ? check_preemption_disabled+0x48/0x280
[  338.186258] Total swap = 0kB
[  338.191603]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  338.195288] 1965979 pages RAM
[  338.198295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.203416] 0 pages HighMem/MovableOnly
[  338.203427] 342853 pages reserved
[  338.206435]  ? should_fail+0x22d/0xd01
[  338.210911] 0 pages cma reserved
[  338.214007]  ? kasan_check_read+0x11/0x20
[  338.219563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  338.223480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.223495]  ? __lock_acquire+0x62f/0x4c20
[  338.223515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.226988] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.230812]  ? should_fail+0x22d/0xd01
[  338.234152] syz-fuzzer cpuset=/ mems_allowed=0
[  338.238283]  ? print_usage_bug+0xc0/0xc0
[  338.281806]  ? mark_held_locks+0x130/0x130
[  338.286034]  ? mark_held_locks+0x130/0x130
[  338.290264]  ? check_preemption_disabled+0x48/0x280
[  338.295283]  ? zap_class+0x640/0x640
[  338.298998]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  338.303748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.309277]  ? check_preemption_disabled+0x48/0x280
[  338.314293]  ? __lock_is_held+0xb5/0x140
[  338.318353]  __alloc_pages_nodemask+0xa80/0xde0
[  338.323018]  ? zap_class+0x640/0x640
[  338.326729]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.331746]  ? find_held_lock+0x36/0x1c0
[  338.335813]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.340477]  ? lock_downgrade+0x900/0x900
[  338.344628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.350162]  cache_grow_begin+0xa5/0x8c0
[  338.354214]  ? do_raw_spin_unlock+0xa7/0x330
[  338.358625]  fallback_alloc+0x204/0x2e0
[  338.362599]  ____cache_alloc_node+0x1c7/0x1e0
[  338.367092]  kmem_cache_alloc_node+0xe3/0x730
[  338.372103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.376691]  __alloc_skb+0x119/0x770
[  338.380396]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  338.385759]  ? netdev_alloc_frag+0x1f0/0x1f0
[  338.390167]  ? vprintk_default+0x28/0x30
[  338.394221]  ? vprintk_func+0x85/0x181
[  338.398108]  ? printk+0xa7/0xcf
[  338.401384]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  338.406141]  new_skb+0x26/0x1c0
[  338.409425]  aoecmd_cfg+0x279/0x7f0
[  338.413057]  ? find_held_lock+0x36/0x1c0
[  338.417117]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  338.421437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.426981]  ? __lock_is_held+0xb5/0x140
[  338.431046]  discover_timer+0x50/0x60
[  338.434839]  call_timer_fn+0x272/0x920
[  338.438720]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  338.443557]  ? process_timeout+0x40/0x40
[  338.447618]  ? __run_timers+0x7da/0xc70
[  338.451585]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.456074]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.460908]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  338.465744]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.470316]  ? trace_hardirqs_on+0xbd/0x310
[  338.474631]  ? kasan_check_read+0x11/0x20
[  338.478768]  ? __run_timers+0x7da/0xc70
[  338.482739]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.487847]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  338.492685]  __run_timers+0x7e5/0xc70
[  338.496492]  ? timer_fixup_init+0x70/0x70
[  338.500637]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.505645]  ? zap_class+0x640/0x640
[  338.509353]  ? enqueue_hrtimer+0x1a5/0x560
[  338.513583]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  338.518773]  ? find_held_lock+0x36/0x1c0
[  338.522830]  ? zap_class+0x640/0x640
[  338.526544]  ? pvclock_read_flags+0x160/0x160
[  338.531032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.536653]  ? check_preemption_disabled+0x48/0x280
[  338.541690]  ? __lock_is_held+0xb5/0x140
[  338.545743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.551271]  ? check_preemption_disabled+0x48/0x280
[  338.556285]  run_timer_softirq+0x52/0xb0
[  338.560353]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.565365]  __do_softirq+0x308/0xb7e
[  338.569178]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  338.573680]  ? lock_downgrade+0x900/0x900
[  338.577821]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  338.582920]  ? pvclock_read_flags+0x160/0x160
[  338.587409]  ? lapic_next_event+0x5a/0x90
[  338.591557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.597095]  ? kvm_clock_read+0x18/0x30
[  338.601067]  ? kvm_sched_clock_read+0x9/0x20
[  338.605470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.611000]  ? check_preemption_disabled+0x48/0x280
[  338.616016]  irq_exit+0x17f/0x1c0
[  338.619475]  smp_apic_timer_interrupt+0x1cb/0x760
[  338.624310]  ? smp_reschedule_interrupt+0x109/0x650
[  338.629322]  ? smp_call_function_single_interrupt+0x650/0x650
[  338.635214]  ? interrupt_entry+0xb5/0xc0
[  338.639272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.644282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.649292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.654131]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.659140]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.664158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.669003]  apic_timer_interrupt+0xf/0x20
[  338.673228]  </IRQ>
[  338.675460] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  338.680386] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  338.699283] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  338.706983] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  338.714245] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  338.721508] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  338.728769] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  338.736030] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  338.743323]  skb_clone+0x1bb/0x500
[  338.746858]  ? finish_task_switch+0x2f4/0x910
[  338.751349]  ? skb_split+0x11e0/0x11e0
[  338.755230]  ? preempt_notifier_register+0x200/0x200
[  338.760328]  ? __switch_to_asm+0x34/0x70
[  338.764382]  ? __switch_to_asm+0x34/0x70
[  338.768447]  ? __switch_to_asm+0x40/0x70
[  338.772515]  ? __switch_to_asm+0x34/0x70
[  338.776573]  ? __switch_to_asm+0x40/0x70
[  338.780712]  ? __switch_to_asm+0x34/0x70
[  338.784773]  ? __switch_to_asm+0x40/0x70
[  338.788828]  ? __switch_to_asm+0x34/0x70
[  338.792886]  ? __switch_to_asm+0x34/0x70
[  338.796936]  ? __switch_to_asm+0x40/0x70
[  338.800996]  ? __switch_to_asm+0x34/0x70
[  338.805054]  bpf_clone_redirect+0xb9/0x490
[  338.809284]  ? __schedule+0x8d7/0x21d0
[  338.813171]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  338.818182]  ? __sched_text_start+0x8/0x8
[  338.822326]  ? retint_kernel+0x2d/0x2d
[  338.826216]  ? find_held_lock+0x36/0x1c0
[  338.830282]  ? lock_acquire+0x1ed/0x520
[  338.834250]  ? bpf_test_run+0x3cb/0x780
[  338.838224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.843757]  ? check_preemption_disabled+0x48/0x280
[  338.848773]  ? kasan_check_read+0x11/0x20
[  338.852912]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.858180]  ? rcu_softirq_qs+0x20/0x20
[  338.862154]  ? preempt_schedule+0x4d/0x60
[  338.866294]  ? ___preempt_schedule+0x16/0x18
[  338.870701]  ? bpf_test_run+0x25d/0x780
[  338.874680]  ? netlink_diag_dump+0x2a0/0x2a0
[  338.879094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.884627]  ? bpf_test_init.isra.10+0x70/0x100
[  338.889294]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  338.894051]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  338.898883]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.904419]  ? fput+0x130/0x1a0
[  338.907695]  ? __bpf_prog_get+0x9b/0x290
[  338.911755]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  338.916588]  ? bpf_prog_test_run+0x130/0x1a0
[  338.920996]  ? __x64_sys_bpf+0x3d8/0x520
[  338.925052]  ? bpf_prog_get+0x20/0x20
[  338.928866]  ? do_syscall_64+0x1b9/0x820
[  338.932921]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  338.938286]  ? syscall_return_slowpath+0x5e0/0x5e0
[  338.943215]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.948224]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  338.953237]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  338.959899]  ? __switch_to_asm+0x40/0x70
[  338.963955]  ? __switch_to_asm+0x34/0x70
[  338.968014]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.972855]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  338.978224] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  338.978281] aoe: skb alloc failure
[  338.985146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.985151] Call Trace:
[  338.985156]  <IRQ>
[  338.985172]  dump_stack+0x244/0x39d
[  338.985191]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.988724] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.998046]  warn_alloc.cold.116+0xb7/0x1bd
[  339.000595] syz-executor4 cpuset=syz4 mems_allowed=0
[  339.002730]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.036188]  ? lock_downgrade+0x900/0x900
[  339.040333]  ? trace_hardirqs_off+0xb8/0x310
[  339.044736]  ? trace_hardirqs_off+0xb8/0x310
[  339.049233]  __alloc_pages_slowpath+0x26e8/0x2e10
[  339.054091]  ? warn_alloc+0x120/0x120
[  339.057886]  ? print_usage_bug+0xc0/0xc0
[  339.061944]  ? warn_alloc+0x120/0x120
[  339.065744]  ? warn_alloc+0x120/0x120
[  339.069535]  ? print_usage_bug+0xc0/0xc0
[  339.073774]  ? print_usage_bug+0xc0/0xc0
[  339.077830]  ? __lock_acquire+0x62f/0x4c20
[  339.082058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.087715]  ? should_fail+0x22d/0xd01
[  339.091596]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.096693]  ? __lock_acquire+0x62f/0x4c20
[  339.100929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.106024]  ? __lock_acquire+0x62f/0x4c20
[  339.110252]  ? should_fail+0x22d/0xd01
[  339.114131]  ? find_held_lock+0x36/0x1c0
[  339.118196]  ? mark_held_locks+0x130/0x130
[  339.122432]  ? mark_held_locks+0x130/0x130
[  339.126661]  ? zap_class+0x640/0x640
[  339.130368]  ? zap_class+0x640/0x640
[  339.134087]  ? print_usage_bug+0xc0/0xc0
[  339.138140]  ? do_raw_spin_unlock+0xa7/0x330
[  339.142539]  ? zap_class+0x640/0x640
[  339.146248]  ? print_usage_bug+0xc0/0xc0
[  339.150305]  ? wq_watchdog_touch+0x9c/0xfe
[  339.154540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.160072]  ? check_preemption_disabled+0x48/0x280
[  339.165091]  ? __lock_is_held+0xb5/0x140
[  339.169168]  __alloc_pages_nodemask+0xa80/0xde0
[  339.173828]  ? zap_class+0x640/0x640
[  339.177539]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.182560]  ? find_held_lock+0x36/0x1c0
[  339.186627]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.191290]  ? lock_downgrade+0x900/0x900
[  339.195440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.200988]  cache_grow_begin+0xa5/0x8c0
[  339.205043]  ? do_raw_spin_unlock+0xa7/0x330
[  339.209450]  fallback_alloc+0x204/0x2e0
[  339.213431]  ____cache_alloc_node+0x1c7/0x1e0
[  339.217924]  kmem_cache_alloc_node+0xe3/0x730
[  339.222509]  ? ipv6_get_ifaddr+0x42e/0x620
[  339.226744]  __alloc_skb+0x119/0x770
[  339.230452]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.235728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.240132]  ? lock_downgrade+0x900/0x900
[  339.244279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.249812]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.255260]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.260703]  ? addrconf_rs_timer+0x690/0x690
[  339.265117]  ndisc_alloc_skb+0x144/0x340
[  339.269178]  ndisc_send_rs+0x331/0x6e0
[  339.273061]  addrconf_rs_timer+0x314/0x690
[  339.277295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.281532]  call_timer_fn+0x272/0x920
[  339.285417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.289644]  ? process_timeout+0x40/0x40
[  339.293711]  ? mark_held_locks+0xc7/0x130
[  339.297853]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.302340]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.306834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.311063]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.315647]  ? trace_hardirqs_on+0xbd/0x310
[  339.319962]  ? kasan_check_read+0x11/0x20
[  339.324114]  ? __run_timers+0x7da/0xc70
[  339.328085]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.333187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.337424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.341649]  __run_timers+0x7e5/0xc70
[  339.345454]  ? timer_fixup_init+0x70/0x70
[  339.349600]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  339.354612]  ? zap_class+0x640/0x640
[  339.358322]  ? print_usage_bug+0xc0/0xc0
[  339.362385]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  339.367582]  ? find_held_lock+0x36/0x1c0
[  339.371640]  ? zap_class+0x640/0x640
[  339.375356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.380896]  ? check_preemption_disabled+0x48/0x280
[  339.385917]  ? __lock_is_held+0xb5/0x140
[  339.389975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.395505]  ? check_preemption_disabled+0x48/0x280
[  339.400521]  run_timer_softirq+0x52/0xb0
[  339.404578]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.409589]  __do_softirq+0x308/0xb7e
[  339.413391]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.417880]  ? lock_downgrade+0x900/0x900
[  339.422025]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.427127]  ? pvclock_read_flags+0x160/0x160
[  339.431619]  ? lapic_next_event+0x5a/0x90
[  339.435759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.441296]  ? kvm_clock_read+0x18/0x30
[  339.445262]  ? kvm_sched_clock_read+0x9/0x20
[  339.449664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.455194]  ? check_preemption_disabled+0x48/0x280
[  339.460212]  irq_exit+0x17f/0x1c0
[  339.463661]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.468516]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.474394]  ? interrupt_entry+0xb5/0xc0
[  339.478452]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.483461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.488471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.493310]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.498318]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.503327]  ? task_prio+0x50/0x50
[  339.506870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.512404]  ? check_preemption_disabled+0x48/0x280
[  339.517418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.522255]  apic_timer_interrupt+0xf/0x20
[  339.526478]  </IRQ>
[  339.528710] RIP: 0010:console_unlock+0x102f/0x1190
[  339.533633] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  339.552524] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  339.560222] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  339.567485] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  339.574744] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  339.582006] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  339.589268] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  339.596554]  ? netconsole_netdev_event+0x280/0x280
[  339.601481]  ? console_unlock+0x1026/0x1190
[  339.605809]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  339.610467]  ? vprintk_emit+0x846/0x990
[  339.614440]  ? lock_release+0xa00/0xa00
[  339.618412]  ? trace_hardirqs_on+0x60/0x310
[  339.622725]  ? vprintk_default+0x28/0x30
[  339.626783]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.631897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.637435]  vprintk_emit+0x391/0x990
[  339.641231]  ? wake_up_klogd+0x180/0x180
[  339.645288]  ? find_held_lock+0x1/0x1c0
[  339.649267]  ? mark_held_locks+0xc7/0x130
[  339.653409]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.657892]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.662391]  vprintk_default+0x28/0x30
[  339.666272]  vprintk_func+0x7e/0x181
[  339.669980]  printk+0xa7/0xcf
[  339.673081]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  339.677835]  ? _raw_spin_unlock_irq+0x60/0x80
[  339.682343]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  339.687620]  dump_header+0x7cc/0xf72
[  339.691347]  ? pagefault_out_of_memory+0x197/0x197
[  339.696281]  ? __lock_acquire+0x62f/0x4c20
[  339.700514]  ? percpu_ref_get_many+0x240/0x240
[  339.705091]  ? print_usage_bug+0xc0/0xc0
[  339.709149]  ? zap_class+0x640/0x640
[  339.712858]  ? print_usage_bug+0xc0/0xc0
[  339.716919]  ? zap_class+0x640/0x640
[  339.720631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.726164]  ? find_held_lock+0x36/0x1c0
[  339.730226]  ? mark_held_locks+0xc7/0x130
[  339.734368]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  339.739466]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  339.744560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  339.749136]  ? trace_hardirqs_on+0xbd/0x310
[  339.753454]  ? kasan_check_read+0x11/0x20
[  339.757594]  ? ___ratelimit+0x3b4/0x672
[  339.761565]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.766750]  ? trace_hardirqs_on+0x310/0x310
[  339.771150]  ? lock_downgrade+0x900/0x900
[  339.775295]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  339.780404]  ? ___ratelimit+0x3b9/0x672
[  339.784378]  ? idr_get_free+0xf70/0xf70
[  339.788350]  ? find_held_lock+0x36/0x1c0
[  339.792415]  oom_kill_process.cold.27+0x10/0x903
[  339.797164]  ? zap_class+0x640/0x640
[  339.800873]  ? check_preemption_disabled+0x48/0x280
[  339.805889]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.810811]  ? kasan_check_read+0x11/0x20
[  339.814953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.820225]  ? oom_evaluate_task+0x540/0x540
[  339.824631]  ? find_held_lock+0x36/0x1c0
[  339.828693]  ? out_of_memory+0x974/0x1430
[  339.832840]  ? lock_downgrade+0x900/0x900
[  339.836989]  ? check_preemption_disabled+0x48/0x280
[  339.842009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.847016]  ? kasan_check_read+0x11/0x20
[  339.851157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.856427]  ? rcu_softirq_qs+0x20/0x20
[  339.860401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.865927]  ? oom_evaluate_task+0x302/0x540
[  339.870339]  out_of_memory+0xa84/0x1430
[  339.874314]  ? oom_killer_disable+0x3a0/0x3a0
[  339.878815]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  339.883752]  ? __ww_mutex_check_waiters+0x160/0x160
[  339.888773]  __alloc_pages_slowpath+0x2354/0x2e10
[  339.893635]  ? warn_alloc+0x120/0x120
[  339.897440]  ? mark_held_locks+0x130/0x130
[  339.901671]  ? find_get_entry+0xaae/0x1120
[  339.905906]  ? filemap_map_pages+0x1a20/0x1a20
[  339.910489]  ? zap_class+0x640/0x640
[  339.914204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.919733]  ? check_preemption_disabled+0x48/0x280
[  339.924742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.930277]  ? should_fail+0x22d/0xd01
[  339.934162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.939263]  ? zap_class+0x640/0x640
[  339.942993]  ? __lock_is_held+0xb5/0x140
[  339.947055]  ? mark_held_locks+0x130/0x130
[  339.951287]  ? lock_release+0xa00/0xa00
[  339.955260]  ? perf_trace_sched_process_exec+0x860/0x860
[  339.960704]  ? xa_load+0x2ba/0x460
[  339.964239]  ? lock_downgrade+0x900/0x900
[  339.968390]  ? __might_sleep+0x95/0x190
[  339.972367]  __alloc_pages_nodemask+0xa80/0xde0
[  339.977034]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.982046]  ? __page_cache_alloc+0x191/0x5c0
[  339.986535]  ? xa_load+0x2e1/0x460
[  339.990073]  ? xa_clear_mark+0x40/0x40
[  339.993953]  ? zap_class+0x640/0x640
[  339.997667]  ? zap_class+0x640/0x640
[  340.001378]  ? zap_class+0x640/0x640
[  340.005097]  ? __do_page_cache_readahead+0x663/0x810
[  340.010196]  ? find_held_lock+0x36/0x1c0
[  340.014252]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  340.019787]  alloc_pages_current+0x173/0x350
[  340.024192]  __page_cache_alloc+0x38c/0x5c0
[  340.028504]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  340.033427]  ? kasan_check_read+0x11/0x20
[  340.037568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.042840]  ? generic_perform_write+0x6a0/0x6a0
[  340.047589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.053120]  ? check_preemption_disabled+0x48/0x280
[  340.058135]  filemap_fault+0x1595/0x25f0
[  340.062199]  ? __lock_page_or_retry+0xa00/0xa00
[  340.066862]  ? mark_held_locks+0x130/0x130
[  340.071107]  ? filemap_map_pages+0xd6b/0x1a20
[  340.075602]  ? lock_downgrade+0x900/0x900
[  340.079748]  ? check_preemption_disabled+0x48/0x280
[  340.084762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  340.089685]  ? kasan_check_read+0x11/0x20
[  340.093825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.099091]  ? rcu_softirq_qs+0x20/0x20
[  340.103075]  ? filemap_map_pages+0xd92/0x1a20
[  340.107572]  ? print_usage_bug+0xc0/0xc0
[  340.111630]  ? find_get_entries_tag+0x1400/0x1400
[  340.116462]  ? __kasan_slab_free+0x102/0x150
[  340.120868]  ? kasan_slab_free+0xe/0x10
[  340.124832]  ? kmem_cache_free+0x83/0x290
[  340.128973]  ? __sigqueue_free.part.29+0x74/0x90
[  340.133736]  ? lock_acquire+0x1ed/0x520
[  340.137706]  ? ext4_filemap_fault+0x7a/0xad
[  340.142027]  ? lock_release+0xa00/0xa00
[  340.145997]  ? perf_trace_sched_process_exec+0x860/0x860
[  340.151460]  ? print_usage_bug+0xc0/0xc0
[  340.155515]  ? print_usage_bug+0xc0/0xc0
[  340.159578]  ? down_read+0x8d/0x120
[  340.163195]  ? ext4_filemap_fault+0x7a/0xad
[  340.167509]  ? __down_interruptible+0x700/0x700
[  340.172181]  ext4_filemap_fault+0x82/0xad
[  340.176328]  __do_fault+0x100/0x6b0
[  340.179957]  ? pmd_devmap_trans_unstable+0x220/0x220
[  340.185060]  ? mark_held_locks+0x130/0x130
[  340.189308]  ? mark_held_locks+0x130/0x130
[  340.193541]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  340.199076]  ? rcu_pm_notify+0xc0/0xc0
[  340.203366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.208907]  __handle_mm_fault+0x3ea0/0x5be0
[  340.213331]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  340.218174]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.222675]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.227260]  ? trace_hardirqs_on+0xbd/0x310
[  340.231578]  ? kasan_check_read+0x11/0x20
[  340.235722]  ? __set_current_blocked+0xdf/0x120
[  340.240388]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.245502]  ? zap_class+0x640/0x640
[  340.249208]  ? zap_class+0x640/0x640
[  340.252926]  ? find_held_lock+0x36/0x1c0
[  340.256992]  ? handle_mm_fault+0x42a/0xc70
[  340.261220]  ? lock_downgrade+0x900/0x900
[  340.265367]  ? check_preemption_disabled+0x48/0x280
[  340.270380]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  340.275307]  ? kasan_check_read+0x11/0x20
[  340.279449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.284719]  ? rcu_softirq_qs+0x20/0x20
[  340.288685]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.293780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.299321]  ? check_preemption_disabled+0x48/0x280
[  340.304348]  handle_mm_fault+0x54f/0xc70
[  340.308403]  ? __handle_mm_fault+0x5be0/0x5be0
[  340.312979]  ? find_vma+0x34/0x190
[  340.316515]  __do_page_fault+0x5e8/0xe60
[  340.320578]  ? exit_to_usermode_loop+0x1f4/0x380
[  340.325426]  do_page_fault+0xf2/0x7e0
[  340.329222]  ? vmalloc_sync_all+0x30/0x30
[  340.333366]  ? error_entry+0x70/0xd0
[  340.337073]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.342081]  ? trace_hardirqs_on_caller+0xc0/0x310
[  340.347003]  ? syscall_return_slowpath+0x5e0/0x5e0
[  340.351925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.356764]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.361772]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  340.367217]  ? prepare_exit_to_usermode+0x291/0x3b0
[  340.373115]  ? page_fault+0x8/0x30
[  340.376653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.381489]  ? page_fault+0x8/0x30
[  340.385021]  page_fault+0x1e/0x30
[  340.388466] RIP: 0033:0x45db60
[  340.391666] Code: Bad RIP value.
[  340.395028] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  340.400379] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  340.407642] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  340.414902] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  340.422163] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  340.429424] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  340.436705] warn_alloc_show_mem: 1 callbacks suppressed
[  340.436714] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  340.436716] Mem-Info:
[  340.436746] active_anon:48041 inactive_anon:196 isolated_anon:0
[  340.436746]  active_file:13 inactive_file:15 isolated_file:0
[  340.436746]  unevictable:0 dirty:0 writeback:0 unstable:0
[  340.436746]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  340.436746]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  340.436746]  free:13795 free_pcp:455 free_cma:0
[  340.442075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.442082] Call Trace:
[  340.449371] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  340.451760]  <IRQ>
[  340.484612] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  340.493955]  dump_stack+0x244/0x39d
[  340.496503] lowmem_reserve[]: 0 2818 6321 6321
[  340.523907]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.526027] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  340.552133]  warn_alloc.cold.116+0xb7/0x1bd
[  340.555723] lowmem_reserve[]: 0 0 3503 3503
[  340.560301]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.565472] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  340.593223]  ? lock_downgrade+0x900/0x900
[  340.597512] lowmem_reserve[]: 0 0 0 0
[  340.601830]  ? trace_hardirqs_off+0xb8/0x310
[  340.606638] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  340.635604]  ? trace_hardirqs_off+0xb8/0x310
[  340.639715] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  340.643513]  __alloc_pages_slowpath+0x26e8/0x2e10
[  340.647889] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  340.661434]  ? warn_alloc+0x120/0x120
[  340.665799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  340.681993]  ? warn_alloc+0x120/0x120
[  340.686813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  340.701984]  ? __lock_acquire+0x62f/0x4c20
[  340.705751] 272 total pagecache pages
[  340.714565]  ? warn_alloc+0x120/0x120
[  340.718345] 0 pages in swap cache
[  340.726896]  ? print_usage_bug+0xc0/0xc0
[  340.731104] Swap cache stats: add 0, delete 0, find 0/0
[  340.734910]  ? print_usage_bug+0xc0/0xc0
[  340.738682] Free swap  = 0kB
[  340.742118]  ? mark_held_locks+0x130/0x130
[  340.746148] Total swap = 0kB
[  340.751496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.755522] 1965979 pages RAM
[  340.758525]  ? should_fail+0x22d/0xd01
[  340.762727] 0 pages HighMem/MovableOnly
[  340.765728]  ? zap_class+0x640/0x640
[  340.771231] 342853 pages reserved
[  340.771237] 0 pages cma reserved
[  340.774337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.778244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.782154]  ? __lock_acquire+0x62f/0x4c20
[  340.785921] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.789288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.792622] syz-fuzzer cpuset=/ mems_allowed=0
[  340.797709]  ? should_fail+0x22d/0xd01
[  340.832266]  ? mark_held_locks+0x130/0x130
[  340.836502]  ? mark_held_locks+0x130/0x130
[  340.840732]  ? lock_downgrade+0x900/0x900
[  340.844874]  ? zap_class+0x640/0x640
[  340.848584]  ? zap_class+0x640/0x640
[  340.852296]  ? zap_class+0x640/0x640
[  340.856090]  ? do_raw_spin_unlock+0xa7/0x330
[  340.860491]  ? trace_hardirqs_on+0x310/0x310
[  340.864893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.870423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.875959]  ? check_preemption_disabled+0x48/0x280
[  340.880981]  ? __lock_is_held+0xb5/0x140
[  340.885040]  __alloc_pages_nodemask+0xa80/0xde0
[  340.889704]  ? zap_class+0x640/0x640
[  340.893416]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.898435]  ? find_held_lock+0x36/0x1c0
[  340.902499]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.907163]  ? lock_downgrade+0x900/0x900
[  340.911312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.916847]  cache_grow_begin+0xa5/0x8c0
[  340.920900]  ? do_raw_spin_unlock+0xa7/0x330
[  340.925312]  fallback_alloc+0x204/0x2e0
[  340.929285]  ____cache_alloc_node+0x1c7/0x1e0
[  340.933784]  kmem_cache_alloc_node+0xe3/0x730
[  340.938272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.942859]  __alloc_skb+0x119/0x770
[  340.946569]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  340.951929]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.956335]  ? vprintk_default+0x28/0x30
[  340.960386]  ? vprintk_func+0x85/0x181
[  340.964272]  ? printk+0xa7/0xcf
[  340.967543]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  340.972303]  new_skb+0x26/0x1c0
[  340.975576]  aoecmd_cfg+0x279/0x7f0
[  340.979197]  ? find_held_lock+0x36/0x1c0
[  340.983261]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  340.987579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.993117]  ? __lock_is_held+0xb5/0x140
[  340.997181]  discover_timer+0x50/0x60
[  341.000976]  call_timer_fn+0x272/0x920
[  341.004853]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.009693]  ? process_timeout+0x40/0x40
[  341.013755]  ? __run_timers+0x7da/0xc70
[  341.017726]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.022214]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.026709]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.031543]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.036121]  ? trace_hardirqs_on+0xbd/0x310
[  341.040440]  ? kasan_check_read+0x11/0x20
[  341.044581]  ? __run_timers+0x7da/0xc70
[  341.048562]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.053672]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.058505]  __run_timers+0x7e5/0xc70
[  341.062306]  ? timer_fixup_init+0x70/0x70
[  341.066455]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.071464]  ? zap_class+0x640/0x640
[  341.075175]  ? enqueue_hrtimer+0x1a5/0x560
[  341.079418]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  341.084605]  ? find_held_lock+0x36/0x1c0
[  341.088664]  ? zap_class+0x640/0x640
[  341.092374]  ? pvclock_read_flags+0x160/0x160
[  341.097040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.102573]  ? check_preemption_disabled+0x48/0x280
[  341.107589]  ? __lock_is_held+0xb5/0x140
[  341.111640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.117166]  ? check_preemption_disabled+0x48/0x280
[  341.122177]  run_timer_softirq+0x52/0xb0
[  341.126239]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.131256]  __do_softirq+0x308/0xb7e
[  341.135051]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.139538]  ? lock_downgrade+0x900/0x900
[  341.143682]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.148786]  ? pvclock_read_flags+0x160/0x160
[  341.153278]  ? lapic_next_event+0x5a/0x90
[  341.157420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.162951]  ? kvm_clock_read+0x18/0x30
[  341.166923]  ? kvm_sched_clock_read+0x9/0x20
[  341.171328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.176863]  ? check_preemption_disabled+0x48/0x280
[  341.181880]  irq_exit+0x17f/0x1c0
[  341.185331]  smp_apic_timer_interrupt+0x1cb/0x760
[  341.190169]  ? smp_reschedule_interrupt+0x109/0x650
[  341.195179]  ? smp_call_function_single_interrupt+0x650/0x650
[  341.201057]  ? interrupt_entry+0xb5/0xc0
[  341.205118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.210127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.215139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.219976]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.224986]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.230002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.234878]  apic_timer_interrupt+0xf/0x20
[  341.239098]  </IRQ>
[  341.241331] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  341.246260] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  341.265155] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  341.272855] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  341.280116] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  341.287377] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  341.294647] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  341.301906] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  341.309210]  skb_clone+0x1bb/0x500
[  341.312753]  ? finish_task_switch+0x2f4/0x910
[  341.317242]  ? skb_split+0x11e0/0x11e0
[  341.321123]  ? preempt_notifier_register+0x200/0x200
[  341.326224]  ? __switch_to_asm+0x34/0x70
[  341.330276]  ? __switch_to_asm+0x34/0x70
[  341.334329]  ? __switch_to_asm+0x40/0x70
[  341.338380]  ? __switch_to_asm+0x34/0x70
[  341.342434]  ? __switch_to_asm+0x40/0x70
[  341.346486]  ? __switch_to_asm+0x34/0x70
[  341.350540]  ? __switch_to_asm+0x40/0x70
[  341.354595]  ? __switch_to_asm+0x34/0x70
[  341.358650]  ? __switch_to_asm+0x34/0x70
[  341.362703]  ? __switch_to_asm+0x40/0x70
[  341.366765]  ? __switch_to_asm+0x34/0x70
[  341.370827]  bpf_clone_redirect+0xb9/0x490
[  341.375055]  ? __schedule+0x8d7/0x21d0
[  341.378945]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  341.383972]  ? __sched_text_start+0x8/0x8
[  341.388118]  ? retint_kernel+0x2d/0x2d
[  341.392011]  ? find_held_lock+0x36/0x1c0
[  341.396076]  ? lock_acquire+0x1ed/0x520
[  341.400042]  ? bpf_test_run+0x3cb/0x780
[  341.404017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.409549]  ? check_preemption_disabled+0x48/0x280
[  341.414564]  ? kasan_check_read+0x11/0x20
[  341.418702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.423969]  ? rcu_softirq_qs+0x20/0x20
[  341.427942]  ? preempt_schedule+0x4d/0x60
[  341.432082]  ? ___preempt_schedule+0x16/0x18
[  341.436489]  ? bpf_test_run+0x25d/0x780
[  341.440465]  ? netlink_diag_dump+0x2a0/0x2a0
[  341.444869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.450407]  ? bpf_test_init.isra.10+0x70/0x100
[  341.455077]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  341.459840]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.464681]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  341.470220]  ? fput+0x130/0x1a0
[  341.473494]  ? __bpf_prog_get+0x9b/0x290
[  341.477554]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.482389]  ? bpf_prog_test_run+0x130/0x1a0
[  341.486793]  ? __x64_sys_bpf+0x3d8/0x520
[  341.490848]  ? bpf_prog_get+0x20/0x20
[  341.494659]  ? do_syscall_64+0x1b9/0x820
[  341.498710]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  341.504069]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.508998]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.514010]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  341.519023]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  341.525681]  ? __switch_to_asm+0x40/0x70
[  341.529740]  ? __switch_to_asm+0x34/0x70
[  341.533802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.538645]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  341.544018] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  341.544078] aoe: skb alloc failure
[  341.550938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.550945] Call Trace:
[  341.554518] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.563800]  <IRQ>
[  341.566364] syz-executor4 cpuset=syz4 mems_allowed=0
[  341.576839]  dump_stack+0x244/0x39d
[  341.587666]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.592868]  warn_alloc.cold.116+0xb7/0x1bd
[  341.597189]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.602026]  ? lock_downgrade+0x900/0x900
[  341.606186]  ? trace_hardirqs_off+0xb8/0x310
[  341.610596]  ? trace_hardirqs_off+0xb8/0x310
[  341.615003]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.619863]  ? warn_alloc+0x120/0x120
[  341.623663]  ? print_usage_bug+0xc0/0xc0
[  341.627720]  ? warn_alloc+0x120/0x120
[  341.631523]  ? warn_alloc+0x120/0x120
[  341.635320]  ? print_usage_bug+0xc0/0xc0
[  341.639374]  ? kvm_clock_read+0x18/0x30
[  341.643360]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  341.648371]  ? print_usage_bug+0xc0/0xc0
[  341.652429]  ? __lock_acquire+0x62f/0x4c20
[  341.656663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.662211]  ? should_fail+0x22d/0xd01
[  341.666098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.671370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.676465]  ? __lock_acquire+0x62f/0x4c20
[  341.680696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.685788]  ? __lock_acquire+0x62f/0x4c20
[  341.690013]  ? should_fail+0x22d/0xd01
[  341.693892]  ? rcu_irq_exit+0x1a2/0x390
[  341.697865]  ? mark_held_locks+0x130/0x130
[  341.702096]  ? mark_held_locks+0x130/0x130
[  341.706328]  ? mark_held_locks+0xc7/0x130
[  341.710470]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  341.715477]  ? zap_class+0x640/0x640
[  341.719192]  ? print_usage_bug+0xc0/0xc0
[  341.723252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.728797]  ? check_preemption_disabled+0x48/0x280
[  341.733815]  ? __lock_is_held+0xb5/0x140
[  341.737884]  __alloc_pages_nodemask+0xa80/0xde0
[  341.742546]  ? zap_class+0x640/0x640
[  341.746258]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.751394]  ? find_held_lock+0x36/0x1c0
[  341.755457]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.760133]  ? lock_downgrade+0x900/0x900
[  341.764281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.769816]  cache_grow_begin+0xa5/0x8c0
[  341.773871]  ? do_raw_spin_unlock+0xa7/0x330
[  341.778278]  fallback_alloc+0x204/0x2e0
[  341.782254]  ____cache_alloc_node+0x1c7/0x1e0
[  341.786752]  kmem_cache_alloc_node+0xe3/0x730
[  341.791243]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.795482]  __alloc_skb+0x119/0x770
[  341.799196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.804475]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.808876]  ? lock_downgrade+0x900/0x900
[  341.813023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.818555]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.824005]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.829450]  ? addrconf_rs_timer+0x690/0x690
[  341.833865]  ndisc_alloc_skb+0x144/0x340
[  341.837923]  ndisc_send_rs+0x331/0x6e0
[  341.841807]  addrconf_rs_timer+0x314/0x690
[  341.846038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.850279]  call_timer_fn+0x272/0x920
[  341.854157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.858395]  ? process_timeout+0x40/0x40
[  341.862458]  ? mark_held_locks+0xc7/0x130
[  341.866605]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.871094]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.875579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.879808]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.884387]  ? trace_hardirqs_on+0xbd/0x310
[  341.888701]  ? kasan_check_read+0x11/0x20
[  341.892844]  ? __run_timers+0x7da/0xc70
[  341.896814]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.901917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.906148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.910387]  __run_timers+0x7e5/0xc70
[  341.914193]  ? timer_fixup_init+0x70/0x70
[  341.918345]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.923356]  ? zap_class+0x640/0x640
[  341.927067]  ? print_usage_bug+0xc0/0xc0
[  341.931121]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  341.936312]  ? find_held_lock+0x36/0x1c0
[  341.940377]  ? zap_class+0x640/0x640
[  341.944094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.949625]  ? check_preemption_disabled+0x48/0x280
[  341.954645]  ? __lock_is_held+0xb5/0x140
[  341.958700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.964232]  ? check_preemption_disabled+0x48/0x280
[  341.969247]  run_timer_softirq+0x52/0xb0
[  341.973302]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.978311]  __do_softirq+0x308/0xb7e
[  341.982107]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.986599]  ? lock_downgrade+0x900/0x900
[  341.990742]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.995848]  ? pvclock_read_flags+0x160/0x160
[  342.000335]  ? lapic_next_event+0x5a/0x90
[  342.004479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.010017]  ? kvm_clock_read+0x18/0x30
[  342.013995]  ? kvm_sched_clock_read+0x9/0x20
[  342.018400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.023931]  ? check_preemption_disabled+0x48/0x280
[  342.028947]  irq_exit+0x17f/0x1c0
[  342.032400]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.037243]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.043120]  ? interrupt_entry+0xb5/0xc0
[  342.047183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.052199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.057213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.062053]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.067060]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.072070]  ? task_prio+0x50/0x50
[  342.075625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.081167]  ? check_preemption_disabled+0x48/0x280
[  342.086189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.091030]  apic_timer_interrupt+0xf/0x20
[  342.095250]  </IRQ>
[  342.097482] RIP: 0010:console_unlock+0x102f/0x1190
[  342.102406] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  342.121300] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  342.128997] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  342.136255] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  342.143514] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  342.150773] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  342.158052] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  342.165320]  ? netconsole_netdev_event+0x280/0x280
[  342.170244]  ? console_unlock+0x1026/0x1190
[  342.174574]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  342.179237]  ? vprintk_emit+0x846/0x990
[  342.183206]  ? lock_release+0xa00/0xa00
[  342.187173]  ? trace_hardirqs_on+0x60/0x310
[  342.191489]  ? vprintk_default+0x28/0x30
[  342.195561]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.200661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.206673]  vprintk_emit+0x391/0x990
[  342.210560]  ? wake_up_klogd+0x180/0x180
[  342.214621]  ? find_held_lock+0x1/0x1c0
[  342.218597]  ? mark_held_locks+0xc7/0x130
[  342.222740]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.227227]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.231720]  vprintk_default+0x28/0x30
[  342.235605]  vprintk_func+0x7e/0x181
[  342.239313]  printk+0xa7/0xcf
[  342.242416]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  342.247183]  ? _raw_spin_unlock_irq+0x60/0x80
[  342.251681]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  342.256959]  dump_header+0x7cc/0xf72
[  342.260683]  ? pagefault_out_of_memory+0x197/0x197
[  342.265612]  ? __lock_acquire+0x62f/0x4c20
[  342.269841]  ? percpu_ref_get_many+0x240/0x240
[  342.274421]  ? print_usage_bug+0xc0/0xc0
[  342.278486]  ? zap_class+0x640/0x640
[  342.282198]  ? print_usage_bug+0xc0/0xc0
[  342.286265]  ? zap_class+0x640/0x640
[  342.289976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.295513]  ? find_held_lock+0x36/0x1c0
[  342.299579]  ? mark_held_locks+0xc7/0x130
[  342.303721]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  342.308819]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  342.313941]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.318520]  ? trace_hardirqs_on+0xbd/0x310
[  342.322837]  ? kasan_check_read+0x11/0x20
[  342.326977]  ? ___ratelimit+0x3b4/0x672
[  342.330948]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.336044]  ? trace_hardirqs_on+0x310/0x310
[  342.340448]  ? lock_downgrade+0x900/0x900
[  342.344592]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  342.349691]  ? ___ratelimit+0x3b9/0x672
[  342.353660]  ? idr_get_free+0xf70/0xf70
[  342.357633]  ? find_held_lock+0x36/0x1c0
[  342.361695]  oom_kill_process.cold.27+0x10/0x903
[  342.366447]  ? zap_class+0x640/0x640
[  342.370154]  ? check_preemption_disabled+0x48/0x280
[  342.375315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.380236]  ? kasan_check_read+0x11/0x20
[  342.384375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.389649]  ? oom_evaluate_task+0x540/0x540
[  342.394055]  ? find_held_lock+0x36/0x1c0
[  342.398123]  ? out_of_memory+0x974/0x1430
[  342.402268]  ? lock_downgrade+0x900/0x900
[  342.406494]  ? check_preemption_disabled+0x48/0x280
[  342.411504]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.416424]  ? kasan_check_read+0x11/0x20
[  342.420565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.425835]  ? rcu_softirq_qs+0x20/0x20
[  342.429811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.435337]  ? oom_evaluate_task+0x302/0x540
[  342.439742]  out_of_memory+0xa84/0x1430
[  342.443717]  ? oom_killer_disable+0x3a0/0x3a0
[  342.448207]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  342.453141]  ? __ww_mutex_check_waiters+0x160/0x160
[  342.458172]  __alloc_pages_slowpath+0x2354/0x2e10
[  342.463036]  ? warn_alloc+0x120/0x120
[  342.466830]  ? mark_held_locks+0x130/0x130
[  342.471073]  ? find_get_entry+0xaae/0x1120
[  342.475310]  ? filemap_map_pages+0x1a20/0x1a20
[  342.479889]  ? zap_class+0x640/0x640
[  342.483602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.489174]  ? check_preemption_disabled+0x48/0x280
[  342.494187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.499728]  ? should_fail+0x22d/0xd01
[  342.503612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.508710]  ? zap_class+0x640/0x640
[  342.512437]  ? __lock_is_held+0xb5/0x140
[  342.516496]  ? mark_held_locks+0x130/0x130
[  342.520726]  ? lock_release+0xa00/0xa00
[  342.524697]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.530139]  ? xa_load+0x2ba/0x460
[  342.533682]  ? lock_downgrade+0x900/0x900
[  342.537826]  ? __might_sleep+0x95/0x190
[  342.541797]  __alloc_pages_nodemask+0xa80/0xde0
[  342.546464]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.551475]  ? __page_cache_alloc+0x191/0x5c0
[  342.555960]  ? xa_load+0x2e1/0x460
[  342.559495]  ? xa_clear_mark+0x40/0x40
[  342.563384]  ? zap_class+0x640/0x640
[  342.567100]  ? zap_class+0x640/0x640
[  342.570817]  ? zap_class+0x640/0x640
[  342.574528]  ? __do_page_cache_readahead+0x663/0x810
[  342.579633]  ? find_held_lock+0x36/0x1c0
[  342.583695]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  342.589233]  alloc_pages_current+0x173/0x350
[  342.593634]  __page_cache_alloc+0x38c/0x5c0
[  342.597947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.602869]  ? kasan_check_read+0x11/0x20
[  342.607006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.612277]  ? generic_perform_write+0x6a0/0x6a0
[  342.617028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.622558]  ? check_preemption_disabled+0x48/0x280
[  342.627572]  filemap_fault+0x1595/0x25f0
[  342.631636]  ? __lock_page_or_retry+0xa00/0xa00
[  342.636303]  ? mark_held_locks+0x130/0x130
[  342.640538]  ? filemap_map_pages+0xd6b/0x1a20
[  342.645025]  ? lock_downgrade+0x900/0x900
[  342.649169]  ? check_preemption_disabled+0x48/0x280
[  342.654183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.659115]  ? kasan_check_read+0x11/0x20
[  342.663255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.668523]  ? rcu_softirq_qs+0x20/0x20
[  342.672500]  ? filemap_map_pages+0xd92/0x1a20
[  342.676994]  ? print_usage_bug+0xc0/0xc0
[  342.681059]  ? find_get_entries_tag+0x1400/0x1400
[  342.685901]  ? __kasan_slab_free+0x102/0x150
[  342.690299]  ? kasan_slab_free+0xe/0x10
[  342.694267]  ? kmem_cache_free+0x83/0x290
[  342.698424]  ? __sigqueue_free.part.29+0x74/0x90
[  342.703186]  ? lock_acquire+0x1ed/0x520
[  342.707161]  ? ext4_filemap_fault+0x7a/0xad
[  342.711481]  ? lock_release+0xa00/0xa00
[  342.715448]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.720892]  ? print_usage_bug+0xc0/0xc0
[  342.724948]  ? print_usage_bug+0xc0/0xc0
[  342.729010]  ? down_read+0x8d/0x120
[  342.732624]  ? ext4_filemap_fault+0x7a/0xad
[  342.736937]  ? __down_interruptible+0x700/0x700
[  342.741607]  ext4_filemap_fault+0x82/0xad
[  342.745747]  __do_fault+0x100/0x6b0
[  342.749374]  ? pmd_devmap_trans_unstable+0x220/0x220
[  342.754477]  ? mark_held_locks+0x130/0x130
[  342.758708]  ? mark_held_locks+0x130/0x130
[  342.762938]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  342.768468]  ? rcu_pm_notify+0xc0/0xc0
[  342.772357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.777891]  __handle_mm_fault+0x3ea0/0x5be0
[  342.782301]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  342.787139]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.791635]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.796213]  ? trace_hardirqs_on+0xbd/0x310
[  342.800525]  ? kasan_check_read+0x11/0x20
[  342.804667]  ? __set_current_blocked+0xdf/0x120
[  342.809333]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.814440]  ? zap_class+0x640/0x640
[  342.818167]  ? zap_class+0x640/0x640
[  342.821878]  ? find_held_lock+0x36/0x1c0
[  342.825944]  ? handle_mm_fault+0x42a/0xc70
[  342.830174]  ? lock_downgrade+0x900/0x900
[  342.834315]  ? check_preemption_disabled+0x48/0x280
[  342.839324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.844247]  ? kasan_check_read+0x11/0x20
[  342.848385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.853657]  ? rcu_softirq_qs+0x20/0x20
[  342.857622]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.862720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.868250]  ? check_preemption_disabled+0x48/0x280
[  342.873267]  handle_mm_fault+0x54f/0xc70
[  342.877325]  ? __handle_mm_fault+0x5be0/0x5be0
[  342.881903]  ? find_vma+0x34/0x190
[  342.885444]  __do_page_fault+0x5e8/0xe60
[  342.889499]  ? exit_to_usermode_loop+0x1f4/0x380
[  342.894258]  do_page_fault+0xf2/0x7e0
[  342.898057]  ? vmalloc_sync_all+0x30/0x30
[  342.902204]  ? error_entry+0x70/0xd0
[  342.905911]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.910919]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.915842]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.920766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.925616]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.930627]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.936086]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.941103]  ? page_fault+0x8/0x30
[  342.944658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.949499]  ? page_fault+0x8/0x30
[  342.953032]  page_fault+0x1e/0x30
[  342.956475] RIP: 0033:0x45db60
[  342.959674] Code: Bad RIP value.
[  342.963031] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  342.968383] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  342.975645] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  342.982907] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  342.990167] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  342.997428] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  343.004704] warn_alloc_show_mem: 1 callbacks suppressed
[  343.004714] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  343.004715] Mem-Info:
[  343.004744] active_anon:48041 inactive_anon:196 isolated_anon:0
[  343.004744]  active_file:13 inactive_file:15 isolated_file:0
[  343.004744]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.004744]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  343.004744]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  343.004744]  free:13795 free_pcp:455 free_cma:0
[  343.010085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.017355] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.019742] Call Trace:
[  343.052593] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  343.061930]  <IRQ>
[  343.089428] lowmem_reserve[]: 0 2818 6321 6321
[  343.092005]  dump_stack+0x244/0x39d
[  343.118084] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  343.120226]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.124771] lowmem_reserve[]: 0 0 3503 3503
[  343.128397]  warn_alloc.cold.116+0xb7/0x1bd
[  343.156142] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  343.161321]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.165619] lowmem_reserve[]: 0 0 0 0
[  343.169928]  ? lock_downgrade+0x900/0x900
[  343.198868] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  343.203704]  ? trace_hardirqs_off+0xb8/0x310
[  343.207464] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  343.211615]  ? trace_hardirqs_off+0xb8/0x310
[  343.225103] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  343.229505]  __alloc_pages_slowpath+0x26e8/0x2e10
[  343.245697] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  343.250103]  ? warn_alloc+0x120/0x120
[  343.265234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  343.270067]  ? warn_alloc+0x120/0x120
[  343.278872] 272 total pagecache pages
[  343.282663]  ? warn_alloc+0x120/0x120
[  343.291217] 0 pages in swap cache
[  343.295000]  ? print_usage_bug+0xc0/0xc0
[  343.298773] Swap cache stats: add 0, delete 0, find 0/0
[  343.302554]  ? print_usage_bug+0xc0/0xc0
[  343.305975] Free swap  = 0kB
[  343.310020]  ? ktime_get+0x2c1/0x400
[  343.315351] Total swap = 0kB
[  343.315358] 1965979 pages RAM
[  343.319408]  ? check_preemption_disabled+0x48/0x280
[  343.322393] 0 pages HighMem/MovableOnly
[  343.326101]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.329092] 342853 pages reserved
[  343.329101] 0 pages cma reserved
[  343.332197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.337233] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.341412]  ? should_fail+0x22d/0xd01
[  343.346020] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.349318]  ? kasan_check_read+0x11/0x20
[  343.352651] syz-fuzzer cpuset=/ mems_allowed=0
[  343.358174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.392491]  ? __lock_acquire+0x62f/0x4c20
[  343.396725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.401822]  ? should_fail+0x22d/0xd01
[  343.405701]  ? print_usage_bug+0xc0/0xc0
[  343.409763]  ? mark_held_locks+0x130/0x130
[  343.413993]  ? mark_held_locks+0x130/0x130
[  343.418228]  ? check_preemption_disabled+0x48/0x280
[  343.423246]  ? zap_class+0x640/0x640
[  343.426956]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.431708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.437245]  ? check_preemption_disabled+0x48/0x280
[  343.442262]  ? __lock_is_held+0xb5/0x140
[  343.446320]  __alloc_pages_nodemask+0xa80/0xde0
[  343.450985]  ? zap_class+0x640/0x640
[  343.454697]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.459719]  ? find_held_lock+0x36/0x1c0
[  343.463781]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.468443]  ? lock_downgrade+0x900/0x900
[  343.472594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.478128]  cache_grow_begin+0xa5/0x8c0
[  343.482187]  ? do_raw_spin_unlock+0xa7/0x330
[  343.486598]  fallback_alloc+0x204/0x2e0
[  343.490592]  ____cache_alloc_node+0x1c7/0x1e0
[  343.495089]  kmem_cache_alloc_node+0xe3/0x730
[  343.499582]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.504178]  __alloc_skb+0x119/0x770
[  343.507884]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  343.513245]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.517655]  ? vprintk_default+0x28/0x30
[  343.521707]  ? vprintk_func+0x85/0x181
[  343.525601]  ? printk+0xa7/0xcf
[  343.528874]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  343.533630]  new_skb+0x26/0x1c0
[  343.536903]  aoecmd_cfg+0x279/0x7f0
[  343.540524]  ? find_held_lock+0x36/0x1c0
[  343.544584]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  343.548908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.554448]  ? __lock_is_held+0xb5/0x140
[  343.558513]  discover_timer+0x50/0x60
[  343.562304]  call_timer_fn+0x272/0x920
[  343.566188]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.571050]  ? process_timeout+0x40/0x40
[  343.575110]  ? __run_timers+0x7da/0xc70
[  343.579081]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.583572]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.588059]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.592895]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.597492]  ? trace_hardirqs_on+0xbd/0x310
[  343.601809]  ? kasan_check_read+0x11/0x20
[  343.605951]  ? __run_timers+0x7da/0xc70
[  343.609919]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.615038]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.619877]  __run_timers+0x7e5/0xc70
[  343.623678]  ? timer_fixup_init+0x70/0x70
[  343.627820]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.632829]  ? zap_class+0x640/0x640
[  343.636553]  ? enqueue_hrtimer+0x1a5/0x560
[  343.640790]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  343.645982]  ? find_held_lock+0x36/0x1c0
[  343.650052]  ? zap_class+0x640/0x640
[  343.653766]  ? pvclock_read_flags+0x160/0x160
[  343.658258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.663791]  ? check_preemption_disabled+0x48/0x280
[  343.668809]  ? __lock_is_held+0xb5/0x140
[  343.672864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.678391]  ? check_preemption_disabled+0x48/0x280
[  343.683400]  run_timer_softirq+0x52/0xb0
[  343.687455]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.692484]  __do_softirq+0x308/0xb7e
[  343.696281]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.700774]  ? lock_downgrade+0x900/0x900
[  343.704919]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.710028]  ? pvclock_read_flags+0x160/0x160
[  343.714522]  ? lapic_next_event+0x5a/0x90
[  343.718670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.724206]  ? kvm_clock_read+0x18/0x30
[  343.728181]  ? kvm_sched_clock_read+0x9/0x20
[  343.732584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.738114]  ? check_preemption_disabled+0x48/0x280
[  343.743132]  irq_exit+0x17f/0x1c0
[  343.746582]  smp_apic_timer_interrupt+0x1cb/0x760
[  343.751425]  ? smp_reschedule_interrupt+0x109/0x650
[  343.756439]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.762316]  ? interrupt_entry+0xb5/0xc0
[  343.766374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.771381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.776392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.781226]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.786248]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.791265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.796111]  apic_timer_interrupt+0xf/0x20
[  343.800339]  </IRQ>
[  343.802579] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  343.807503] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  343.826395] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  343.834095] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  343.841355] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  343.848615] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  343.855874] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  343.863135] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  343.870431]  skb_clone+0x1bb/0x500
[  343.873964]  ? finish_task_switch+0x2f4/0x910
[  343.878461]  ? skb_split+0x11e0/0x11e0
[  343.882348]  ? preempt_notifier_register+0x200/0x200
[  343.887442]  ? __switch_to_asm+0x34/0x70
[  343.891494]  ? __switch_to_asm+0x34/0x70
[  343.895552]  ? __switch_to_asm+0x40/0x70
[  343.899605]  ? __switch_to_asm+0x34/0x70
[  343.903656]  ? __switch_to_asm+0x40/0x70
[  343.907707]  ? __switch_to_asm+0x34/0x70
[  343.911759]  ? __switch_to_asm+0x40/0x70
[  343.915896]  ? __switch_to_asm+0x34/0x70
[  343.919949]  ? __switch_to_asm+0x34/0x70
[  343.924007]  ? __switch_to_asm+0x40/0x70
[  343.928058]  ? __switch_to_asm+0x34/0x70
[  343.932115]  bpf_clone_redirect+0xb9/0x490
[  343.936347]  ? __schedule+0x8d7/0x21d0
[  343.940232]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  343.945243]  ? __sched_text_start+0x8/0x8
[  343.949381]  ? retint_kernel+0x2d/0x2d
[  343.953270]  ? find_held_lock+0x36/0x1c0
[  343.957335]  ? lock_acquire+0x1ed/0x520
[  343.961308]  ? bpf_test_run+0x3cb/0x780
[  343.965278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.970808]  ? check_preemption_disabled+0x48/0x280
[  343.975825]  ? kasan_check_read+0x11/0x20
[  343.979967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.985254]  ? rcu_softirq_qs+0x20/0x20
[  343.989226]  ? preempt_schedule+0x4d/0x60
[  343.993370]  ? ___preempt_schedule+0x16/0x18
[  343.997789]  ? bpf_test_run+0x25d/0x780
[  344.001772]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.006177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.011707]  ? bpf_test_init.isra.10+0x70/0x100
[  344.016371]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  344.021131]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.025966]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.031502]  ? fput+0x130/0x1a0
[  344.034777]  ? __bpf_prog_get+0x9b/0x290
[  344.038832]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.043668]  ? bpf_prog_test_run+0x130/0x1a0
[  344.048075]  ? __x64_sys_bpf+0x3d8/0x520
[  344.052129]  ? bpf_prog_get+0x20/0x20
[  344.055944]  ? do_syscall_64+0x1b9/0x820
[  344.060003]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.065382]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.070310]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.075324]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.080347]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  344.087012]  ? __switch_to_asm+0x40/0x70
[  344.091061]  ? __switch_to_asm+0x34/0x70
[  344.095116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.099963]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.105345] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  344.105405] aoe: skb alloc failure
[  344.112262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.112269] Call Trace:
[  344.115837] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.125120]  <IRQ>
[  344.127681] syz-executor4 cpuset=syz4 mems_allowed=0
[  344.138161]  dump_stack+0x244/0x39d
[  344.148992]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.154188]  warn_alloc.cold.116+0xb7/0x1bd
[  344.158509]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.163356]  ? lock_downgrade+0x900/0x900
[  344.167505]  ? trace_hardirqs_off+0xb8/0x310
[  344.171915]  ? trace_hardirqs_off+0xb8/0x310
[  344.176323]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.181179]  ? warn_alloc+0x120/0x120
[  344.185086]  ? print_usage_bug+0xc0/0xc0
[  344.189152]  ? warn_alloc+0x120/0x120
[  344.192953]  ? warn_alloc+0x120/0x120
[  344.196759]  ? print_usage_bug+0xc0/0xc0
[  344.200816]  ? kvm_clock_read+0x18/0x30
[  344.205218]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  344.210229]  ? print_usage_bug+0xc0/0xc0
[  344.214285]  ? __lock_acquire+0x62f/0x4c20
[  344.218515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.224046]  ? should_fail+0x22d/0xd01
[  344.227929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.233029]  ? __lock_acquire+0x62f/0x4c20
[  344.237259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.242369]  ? __lock_acquire+0x62f/0x4c20
[  344.246597]  ? should_fail+0x22d/0xd01
[  344.250488]  ? mark_held_locks+0x130/0x130
[  344.254721]  ? mark_held_locks+0x130/0x130
[  344.258955]  ? mark_held_locks+0xc7/0x130
[  344.263104]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  344.268119]  ? zap_class+0x640/0x640
[  344.271827]  ? print_usage_bug+0xc0/0xc0
[  344.275885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.281415]  ? check_preemption_disabled+0x48/0x280
[  344.286435]  ? __lock_is_held+0xb5/0x140
[  344.290496]  __alloc_pages_nodemask+0xa80/0xde0
[  344.295162]  ? zap_class+0x640/0x640
[  344.298874]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.303895]  ? find_held_lock+0x36/0x1c0
[  344.307967]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.312631]  ? lock_downgrade+0x900/0x900
[  344.316780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.322318]  cache_grow_begin+0xa5/0x8c0
[  344.326371]  ? do_raw_spin_unlock+0xa7/0x330
[  344.330781]  fallback_alloc+0x204/0x2e0
[  344.334756]  ____cache_alloc_node+0x1c7/0x1e0
[  344.339253]  kmem_cache_alloc_node+0xe3/0x730
[  344.343743]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.347985]  __alloc_skb+0x119/0x770
[  344.351699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.356981]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.361383]  ? lock_downgrade+0x900/0x900
[  344.365703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.372186]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.377633]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.383079]  ? addrconf_rs_timer+0x690/0x690
[  344.387490]  ndisc_alloc_skb+0x144/0x340
[  344.391554]  ndisc_send_rs+0x331/0x6e0
[  344.395439]  addrconf_rs_timer+0x314/0x690
[  344.399672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.403915]  call_timer_fn+0x272/0x920
[  344.407798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.412029]  ? process_timeout+0x40/0x40
[  344.416100]  ? mark_held_locks+0xc7/0x130
[  344.420242]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.424728]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.429214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.433442]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.438022]  ? trace_hardirqs_on+0xbd/0x310
[  344.442354]  ? kasan_check_read+0x11/0x20
[  344.446497]  ? __run_timers+0x7da/0xc70
[  344.450467]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.455572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.459800]  __run_timers+0x7e5/0xc70
[  344.463602]  ? timer_fixup_init+0x70/0x70
[  344.467744]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.472751]  ? zap_class+0x640/0x640
[  344.476463]  ? print_usage_bug+0xc0/0xc0
[  344.480521]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.485710]  ? find_held_lock+0x36/0x1c0
[  344.489782]  ? zap_class+0x640/0x640
[  344.493494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.499026]  ? check_preemption_disabled+0x48/0x280
[  344.504044]  ? __lock_is_held+0xb5/0x140
[  344.508100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.513630]  ? check_preemption_disabled+0x48/0x280
[  344.518647]  run_timer_softirq+0x52/0xb0
[  344.522702]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.527711]  __do_softirq+0x308/0xb7e
[  344.531508]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.535998]  ? lock_downgrade+0x900/0x900
[  344.540140]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.545261]  ? pvclock_read_flags+0x160/0x160
[  344.549752]  ? lapic_next_event+0x5a/0x90
[  344.553896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.559430]  ? kvm_clock_read+0x18/0x30
[  344.563400]  ? kvm_sched_clock_read+0x9/0x20
[  344.567807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.573340]  ? check_preemption_disabled+0x48/0x280
[  344.578361]  irq_exit+0x17f/0x1c0
[  344.581814]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.586655]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.592536]  ? interrupt_entry+0xb5/0xc0
[  344.596590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.601599]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.606613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.611452]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.616505]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.621530]  ? task_prio+0x50/0x50
[  344.625063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.630592]  ? check_preemption_disabled+0x48/0x280
[  344.635614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.640456]  apic_timer_interrupt+0xf/0x20
[  344.644678]  </IRQ>
[  344.646909] RIP: 0010:console_unlock+0x102f/0x1190
[  344.651835] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  344.670725] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  344.678425] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  344.685685] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  344.692945] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  344.700205] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  344.707464] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  344.714737]  ? netconsole_netdev_event+0x280/0x280
[  344.719665]  ? console_unlock+0x1026/0x1190
[  344.724012]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  344.728671]  ? vprintk_emit+0x846/0x990
[  344.732642]  ? lock_release+0xa00/0xa00
[  344.736630]  ? trace_hardirqs_on+0x60/0x310
[  344.740945]  ? vprintk_default+0x28/0x30
[  344.745002]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.750100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.755635]  vprintk_emit+0x391/0x990
[  344.759430]  ? wake_up_klogd+0x180/0x180
[  344.763494]  ? find_held_lock+0x1/0x1c0
[  344.767490]  ? mark_held_locks+0xc7/0x130
[  344.771637]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.776132]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.780617]  vprintk_default+0x28/0x30
[  344.784495]  vprintk_func+0x7e/0x181
[  344.788206]  printk+0xa7/0xcf
[  344.791305]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  344.796052]  ? _raw_spin_unlock_irq+0x60/0x80
[  344.800553]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  344.805829]  dump_header+0x7cc/0xf72
[  344.809543]  ? pagefault_out_of_memory+0x197/0x197
[  344.814474]  ? __lock_acquire+0x62f/0x4c20
[  344.818704]  ? percpu_ref_get_many+0x240/0x240
[  344.823281]  ? print_usage_bug+0xc0/0xc0
[  344.827340]  ? zap_class+0x640/0x640
[  344.831046]  ? print_usage_bug+0xc0/0xc0
[  344.835102]  ? zap_class+0x640/0x640
[  344.838810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.844342]  ? find_held_lock+0x36/0x1c0
[  344.848404]  ? mark_held_locks+0xc7/0x130
[  344.852546]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  344.857642]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  344.862736]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.867309]  ? trace_hardirqs_on+0xbd/0x310
[  344.871637]  ? kasan_check_read+0x11/0x20
[  344.875774]  ? ___ratelimit+0x3b4/0x672
[  344.879739]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.884849]  ? trace_hardirqs_on+0x310/0x310
[  344.889250]  ? lock_downgrade+0x900/0x900
[  344.893393]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  344.898489]  ? ___ratelimit+0x3b9/0x672
[  344.902460]  ? idr_get_free+0xf70/0xf70
[  344.906430]  ? find_held_lock+0x36/0x1c0
[  344.910493]  oom_kill_process.cold.27+0x10/0x903
[  344.915242]  ? zap_class+0x640/0x640
[  344.918947]  ? check_preemption_disabled+0x48/0x280
[  344.923964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.928884]  ? kasan_check_read+0x11/0x20
[  344.933026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.938293]  ? oom_evaluate_task+0x540/0x540
[  344.942698]  ? find_held_lock+0x36/0x1c0
[  344.946756]  ? out_of_memory+0x974/0x1430
[  344.950898]  ? lock_downgrade+0x900/0x900
[  344.955046]  ? check_preemption_disabled+0x48/0x280
[  344.960057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.965096]  ? kasan_check_read+0x11/0x20
[  344.969233]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.974501]  ? rcu_softirq_qs+0x20/0x20
[  344.978469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.984001]  ? oom_evaluate_task+0x302/0x540
[  344.988405]  out_of_memory+0xa84/0x1430
[  344.992377]  ? oom_killer_disable+0x3a0/0x3a0
[  344.996868]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  345.001791]  ? __ww_mutex_check_waiters+0x160/0x160
[  345.006811]  __alloc_pages_slowpath+0x2354/0x2e10
[  345.011675]  ? warn_alloc+0x120/0x120
[  345.015478]  ? mark_held_locks+0x130/0x130
[  345.019709]  ? find_get_entry+0xaae/0x1120
[  345.023966]  ? filemap_map_pages+0x1a20/0x1a20
[  345.028545]  ? zap_class+0x640/0x640
[  345.032256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.037789]  ? check_preemption_disabled+0x48/0x280
[  345.042799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.048328]  ? should_fail+0x22d/0xd01
[  345.052213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.057309]  ? zap_class+0x640/0x640
[  345.061036]  ? __lock_is_held+0xb5/0x140
[  345.065095]  ? mark_held_locks+0x130/0x130
[  345.069328]  ? lock_release+0xa00/0xa00
[  345.073300]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.078747]  ? xa_load+0x2ba/0x460
[  345.082280]  ? lock_downgrade+0x900/0x900
[  345.086424]  ? __might_sleep+0x95/0x190
[  345.090472]  __alloc_pages_nodemask+0xa80/0xde0
[  345.095138]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.100158]  ? __page_cache_alloc+0x191/0x5c0
[  345.104644]  ? xa_load+0x2e1/0x460
[  345.108177]  ? xa_clear_mark+0x40/0x40
[  345.112059]  ? zap_class+0x640/0x640
[  345.115773]  ? zap_class+0x640/0x640
[  345.119478]  ? zap_class+0x640/0x640
[  345.123184]  ? __do_page_cache_readahead+0x663/0x810
[  345.128281]  ? find_held_lock+0x36/0x1c0
[  345.132338]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  345.137873]  alloc_pages_current+0x173/0x350
[  345.142284]  __page_cache_alloc+0x38c/0x5c0
[  345.146596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.151517]  ? kasan_check_read+0x11/0x20
[  345.155659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.160929]  ? generic_perform_write+0x6a0/0x6a0
[  345.165682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.171212]  ? check_preemption_disabled+0x48/0x280
[  345.176226]  filemap_fault+0x1595/0x25f0
[  345.180293]  ? __lock_page_or_retry+0xa00/0xa00
[  345.184960]  ? mark_held_locks+0x130/0x130
[  345.189197]  ? filemap_map_pages+0xd6b/0x1a20
[  345.193688]  ? lock_downgrade+0x900/0x900
[  345.197827]  ? check_preemption_disabled+0x48/0x280
[  345.203294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.208217]  ? kasan_check_read+0x11/0x20
[  345.212355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.217624]  ? rcu_softirq_qs+0x20/0x20
[  345.221599]  ? filemap_map_pages+0xd92/0x1a20
[  345.226093]  ? print_usage_bug+0xc0/0xc0
[  345.230156]  ? find_get_entries_tag+0x1400/0x1400
[  345.234994]  ? __kasan_slab_free+0x102/0x150
[  345.239397]  ? kasan_slab_free+0xe/0x10
[  345.243361]  ? kmem_cache_free+0x83/0x290
[  345.247504]  ? __sigqueue_free.part.29+0x74/0x90
[  345.252264]  ? lock_acquire+0x1ed/0x520
[  345.256227]  ? ext4_filemap_fault+0x7a/0xad
[  345.260546]  ? lock_release+0xa00/0xa00
[  345.264514]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.269958]  ? print_usage_bug+0xc0/0xc0
[  345.274013]  ? print_usage_bug+0xc0/0xc0
[  345.278081]  ? down_read+0x8d/0x120
[  345.281699]  ? ext4_filemap_fault+0x7a/0xad
[  345.286018]  ? __down_interruptible+0x700/0x700
[  345.290688]  ext4_filemap_fault+0x82/0xad
[  345.294827]  __do_fault+0x100/0x6b0
[  345.298451]  ? pmd_devmap_trans_unstable+0x220/0x220
[  345.303551]  ? mark_held_locks+0x130/0x130
[  345.307784]  ? mark_held_locks+0x130/0x130
[  345.312033]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  345.317565]  ? rcu_pm_notify+0xc0/0xc0
[  345.321451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.326985]  __handle_mm_fault+0x3ea0/0x5be0
[  345.331390]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  345.336224]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.340715]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.345294]  ? trace_hardirqs_on+0xbd/0x310
[  345.349606]  ? kasan_check_read+0x11/0x20
[  345.353745]  ? __set_current_blocked+0xdf/0x120
[  345.358407]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.363522]  ? zap_class+0x640/0x640
[  345.367246]  ? zap_class+0x640/0x640
[  345.370957]  ? find_held_lock+0x36/0x1c0
[  345.375019]  ? handle_mm_fault+0x42a/0xc70
[  345.379249]  ? lock_downgrade+0x900/0x900
[  345.383388]  ? check_preemption_disabled+0x48/0x280
[  345.388397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.393315]  ? kasan_check_read+0x11/0x20
[  345.397453]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.402720]  ? rcu_softirq_qs+0x20/0x20
[  345.406686]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.411783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.417312]  ? check_preemption_disabled+0x48/0x280
[  345.422328]  handle_mm_fault+0x54f/0xc70
[  345.426387]  ? __handle_mm_fault+0x5be0/0x5be0
[  345.430967]  ? find_vma+0x34/0x190
[  345.434508]  __do_page_fault+0x5e8/0xe60
[  345.438565]  ? exit_to_usermode_loop+0x1f4/0x380
[  345.443418]  do_page_fault+0xf2/0x7e0
[  345.447212]  ? vmalloc_sync_all+0x30/0x30
[  345.451352]  ? error_entry+0x70/0xd0
[  345.455058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.460066]  ? trace_hardirqs_on_caller+0xc0/0x310
[  345.464998]  ? syscall_return_slowpath+0x5e0/0x5e0
[  345.469925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.474773]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.479782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.485226]  ? prepare_exit_to_usermode+0x291/0x3b0
[  345.490232]  ? page_fault+0x8/0x30
[  345.493787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.498621]  ? page_fault+0x8/0x30
[  345.502153]  page_fault+0x1e/0x30
[  345.505596] RIP: 0033:0x45db60
[  345.508796] Code: Bad RIP value.
[  345.512147] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  345.517496] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  345.524757] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  345.532027] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  345.539287] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  345.546547] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  345.553822] warn_alloc_show_mem: 1 callbacks suppressed
[  345.553831] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  345.553832] Mem-Info:
[  345.553867] active_anon:48041 inactive_anon:196 isolated_anon:0
[  345.553867]  active_file:13 inactive_file:15 isolated_file:0
[  345.553867]  unevictable:0 dirty:0 writeback:0 unstable:0
[  345.553867]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  345.553867]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  345.553867]  free:13795 free_pcp:455 free_cma:0
[  345.559204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.566472] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  345.568855] Call Trace:
[  345.601714] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  345.611140]  <IRQ>
[  345.638520] lowmem_reserve[]: 0 2818 6321 6321
[  345.641097]  dump_stack+0x244/0x39d
[  345.667170] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  345.669309]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.673872] lowmem_reserve[]: 0 0 3503 3503
[  345.677492]  warn_alloc.cold.116+0xb7/0x1bd
[  345.705210] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  345.710386]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.714679] lowmem_reserve[]: 0 0 0 0
[  345.718991]  ? lock_downgrade+0x900/0x900
[  345.747934] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  345.752769]  ? trace_hardirqs_off+0xb8/0x310
[  345.756534] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  345.760674]  ? trace_hardirqs_off+0xb8/0x310
[  345.774165] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  345.778567]  __alloc_pages_slowpath+0x26e8/0x2e10
[  345.794753] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  345.799161]  ? warn_alloc+0x120/0x120
[  345.814292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  345.819119]  ? warn_alloc+0x120/0x120
[  345.827918] 272 total pagecache pages
[  345.827935] 0 pages in swap cache
[  345.831714]  ? warn_alloc+0x120/0x120
[  345.840261] Swap cache stats: add 0, delete 0, find 0/0
[  345.844047]  ? print_usage_bug+0xc0/0xc0
[  345.847819] Free swap  = 0kB
[  345.851261]  ? print_usage_bug+0xc0/0xc0
[  345.855027] Total swap = 0kB
[  345.855034] 1965979 pages RAM
[  345.860390]  ? ktime_get+0x2c1/0x400
[  345.864415] 0 pages HighMem/MovableOnly
[  345.867417]  ? check_preemption_disabled+0x48/0x280
[  345.871445] 342853 pages reserved
[  345.874447]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.877516] 0 pages cma reserved
[  345.877574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.881224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.885240] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.890172]  ? should_fail+0x22d/0xd01
[  345.893599] syz-fuzzer cpuset=/ mems_allowed=0
[  345.898078]  ? kasan_check_read+0x11/0x20
[  345.936252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.941365]  ? __lock_acquire+0x62f/0x4c20
[  345.945598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.950692]  ? should_fail+0x22d/0xd01
[  345.954571]  ? print_usage_bug+0xc0/0xc0
[  345.958630]  ? mark_held_locks+0x130/0x130
[  345.962861]  ? mark_held_locks+0x130/0x130
[  345.967088]  ? check_preemption_disabled+0x48/0x280
[  345.972103]  ? zap_class+0x640/0x640
[  345.975812]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.980675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.986209]  ? check_preemption_disabled+0x48/0x280
[  345.991225]  ? __lock_is_held+0xb5/0x140
[  345.995282]  __alloc_pages_nodemask+0xa80/0xde0
[  345.999943]  ? zap_class+0x640/0x640
[  346.003667]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.008688]  ? find_held_lock+0x36/0x1c0
[  346.012752]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.017413]  ? lock_downgrade+0x900/0x900
[  346.021559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.027092]  cache_grow_begin+0xa5/0x8c0
[  346.031144]  ? do_raw_spin_unlock+0xa7/0x330
[  346.035553]  fallback_alloc+0x204/0x2e0
[  346.039528]  ____cache_alloc_node+0x1c7/0x1e0
[  346.044021]  kmem_cache_alloc_node+0xe3/0x730
[  346.048510]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.053093]  __alloc_skb+0x119/0x770
[  346.056804]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  346.062175]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.066580]  ? vprintk_default+0x28/0x30
[  346.070637]  ? vprintk_func+0x85/0x181
[  346.074518]  ? printk+0xa7/0xcf
[  346.077787]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  346.082548]  new_skb+0x26/0x1c0
[  346.085831]  aoecmd_cfg+0x279/0x7f0
[  346.089453]  ? find_held_lock+0x36/0x1c0
[  346.093511]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  346.097840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.103386]  ? __lock_is_held+0xb5/0x140
[  346.107448]  discover_timer+0x50/0x60
[  346.111242]  call_timer_fn+0x272/0x920
[  346.115126]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.119960]  ? process_timeout+0x40/0x40
[  346.124018]  ? __run_timers+0x7da/0xc70
[  346.127984]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.132475]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.136967]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.141805]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.146391]  ? trace_hardirqs_on+0xbd/0x310
[  346.150705]  ? kasan_check_read+0x11/0x20
[  346.154843]  ? __run_timers+0x7da/0xc70
[  346.158817]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.163925]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.168760]  __run_timers+0x7e5/0xc70
[  346.172560]  ? timer_fixup_init+0x70/0x70
[  346.176714]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  346.181727]  ? zap_class+0x640/0x640
[  346.185440]  ? enqueue_hrtimer+0x1a5/0x560
[  346.189675]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  346.194864]  ? find_held_lock+0x36/0x1c0
[  346.198925]  ? zap_class+0x640/0x640
[  346.202895]  ? pvclock_read_flags+0x160/0x160
[  346.207390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.212921]  ? check_preemption_disabled+0x48/0x280
[  346.217942]  ? __lock_is_held+0xb5/0x140
[  346.221997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.227528]  ? check_preemption_disabled+0x48/0x280
[  346.232543]  run_timer_softirq+0x52/0xb0
[  346.236600]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.241611]  __do_softirq+0x308/0xb7e
[  346.245406]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  346.249895]  ? lock_downgrade+0x900/0x900
[  346.254043]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.259145]  ? pvclock_read_flags+0x160/0x160
[  346.263635]  ? lapic_next_event+0x5a/0x90
[  346.267778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.273316]  ? kvm_clock_read+0x18/0x30
[  346.277284]  ? kvm_sched_clock_read+0x9/0x20
[  346.281690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.287218]  ? check_preemption_disabled+0x48/0x280
[  346.292234]  irq_exit+0x17f/0x1c0
[  346.295682]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.300530]  ? smp_reschedule_interrupt+0x109/0x650
[  346.305539]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.311411]  ? interrupt_entry+0xb5/0xc0
[  346.315464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.320473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.325481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.330317]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.335328]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.340354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.345196]  apic_timer_interrupt+0xf/0x20
[  346.349420]  </IRQ>
[  346.351657] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  346.356578] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  346.375953] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  346.383651] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  346.390914] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  346.398174] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  346.405447] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  346.412713] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  346.420013]  skb_clone+0x1bb/0x500
[  346.423550]  ? finish_task_switch+0x2f4/0x910
[  346.428135]  ? skb_split+0x11e0/0x11e0
[  346.432018]  ? preempt_notifier_register+0x200/0x200
[  346.437115]  ? __switch_to_asm+0x34/0x70
[  346.441166]  ? __switch_to_asm+0x34/0x70
[  346.445217]  ? __switch_to_asm+0x40/0x70
[  346.449270]  ? __switch_to_asm+0x34/0x70
[  346.453325]  ? __switch_to_asm+0x40/0x70
[  346.457382]  ? __switch_to_asm+0x34/0x70
[  346.461436]  ? __switch_to_asm+0x40/0x70
[  346.465486]  ? __switch_to_asm+0x34/0x70
[  346.469541]  ? __switch_to_asm+0x34/0x70
[  346.473595]  ? __switch_to_asm+0x40/0x70
[  346.477644]  ? __switch_to_asm+0x34/0x70
[  346.481700]  bpf_clone_redirect+0xb9/0x490
[  346.485940]  ? __schedule+0x8d7/0x21d0
[  346.489829]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  346.494843]  ? __sched_text_start+0x8/0x8
[  346.498989]  ? retint_kernel+0x2d/0x2d
[  346.502879]  ? find_held_lock+0x36/0x1c0
[  346.506939]  ? lock_acquire+0x1ed/0x520
[  346.510911]  ? bpf_test_run+0x3cb/0x780
[  346.514880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.520411]  ? check_preemption_disabled+0x48/0x280
[  346.525448]  ? kasan_check_read+0x11/0x20
[  346.529589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.534855]  ? rcu_softirq_qs+0x20/0x20
[  346.538824]  ? preempt_schedule+0x4d/0x60
[  346.542969]  ? ___preempt_schedule+0x16/0x18
[  346.547378]  ? bpf_test_run+0x25d/0x780
[  346.551358]  ? netlink_diag_dump+0x2a0/0x2a0
[  346.555763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.561301]  ? bpf_test_init.isra.10+0x70/0x100
[  346.565970]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  346.570726]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.575562]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.581099]  ? fput+0x130/0x1a0
[  346.584372]  ? __bpf_prog_get+0x9b/0x290
[  346.588428]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.593271]  ? bpf_prog_test_run+0x130/0x1a0
[  346.597673]  ? __x64_sys_bpf+0x3d8/0x520
[  346.601728]  ? bpf_prog_get+0x20/0x20
[  346.605537]  ? do_syscall_64+0x1b9/0x820
[  346.609590]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.614946]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.619869]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.624880]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.629890]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  346.636546]  ? __switch_to_asm+0x40/0x70
[  346.640617]  ? __switch_to_asm+0x34/0x70
[  346.644687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.649529]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.654899] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  346.654960] aoe: skb alloc failure
[  346.661826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.661833] Call Trace:
[  346.665407] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.674689]  <IRQ>
[  346.677248] syz-executor4 cpuset=syz4 mems_allowed=0
[  346.687714]  dump_stack+0x244/0x39d
[  346.698536]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.703732]  warn_alloc.cold.116+0xb7/0x1bd
[  346.708048]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.712889]  ? lock_downgrade+0x900/0x900
[  346.717036]  ? trace_hardirqs_off+0xb8/0x310
[  346.721449]  ? trace_hardirqs_off+0xb8/0x310
[  346.725857]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.730717]  ? warn_alloc+0x120/0x120
[  346.734514]  ? print_usage_bug+0xc0/0xc0
[  346.738569]  ? warn_alloc+0x120/0x120
[  346.742366]  ? warn_alloc+0x120/0x120
[  346.746160]  ? print_usage_bug+0xc0/0xc0
[  346.750214]  ? kvm_clock_read+0x18/0x30
[  346.754184]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  346.759192]  ? print_usage_bug+0xc0/0xc0
[  346.763247]  ? __lock_acquire+0x62f/0x4c20
[  346.767479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.773012]  ? should_fail+0x22d/0xd01
[  346.776891]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.782163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.787258]  ? __lock_acquire+0x62f/0x4c20
[  346.791491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.796588]  ? __lock_acquire+0x62f/0x4c20
[  346.800818]  ? should_fail+0x22d/0xd01
[  346.804696]  ? rcu_irq_exit+0x1a2/0x390
[  346.808672]  ? mark_held_locks+0x130/0x130
[  346.812903]  ? mark_held_locks+0x130/0x130
[  346.817135]  ? mark_held_locks+0xc7/0x130
[  346.821280]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  346.826286]  ? zap_class+0x640/0x640
[  346.829992]  ? print_usage_bug+0xc0/0xc0
[  346.834047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.839576]  ? check_preemption_disabled+0x48/0x280
[  346.844590]  ? __lock_is_held+0xb5/0x140
[  346.848648]  __alloc_pages_nodemask+0xa80/0xde0
[  346.853309]  ? zap_class+0x640/0x640
[  346.857021]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.862042]  ? find_held_lock+0x36/0x1c0
[  346.866108]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.870779]  ? lock_downgrade+0x900/0x900
[  346.874933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.880470]  cache_grow_begin+0xa5/0x8c0
[  346.884525]  ? do_raw_spin_unlock+0xa7/0x330
[  346.888935]  fallback_alloc+0x204/0x2e0
[  346.892909]  ____cache_alloc_node+0x1c7/0x1e0
[  346.897406]  kmem_cache_alloc_node+0xe3/0x730
[  346.901894]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.906130]  __alloc_skb+0x119/0x770
[  346.909838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.915109]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.919513]  ? lock_downgrade+0x900/0x900
[  346.923663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.929194]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.934641]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.940086]  ? addrconf_rs_timer+0x690/0x690
[  346.944498]  ndisc_alloc_skb+0x144/0x340
[  346.948557]  ndisc_send_rs+0x331/0x6e0
[  346.952444]  addrconf_rs_timer+0x314/0x690
[  346.956679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.960917]  call_timer_fn+0x272/0x920
[  346.964806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.969035]  ? process_timeout+0x40/0x40
[  346.973099]  ? mark_held_locks+0xc7/0x130
[  346.977243]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.981729]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.986217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.990444]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.995022]  ? trace_hardirqs_on+0xbd/0x310
[  346.999338]  ? kasan_check_read+0x11/0x20
[  347.003477]  ? __run_timers+0x7da/0xc70
[  347.007441]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.012541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.016777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.021007]  __run_timers+0x7e5/0xc70
[  347.024813]  ? timer_fixup_init+0x70/0x70
[  347.028955]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.033967]  ? zap_class+0x640/0x640
[  347.037682]  ? print_usage_bug+0xc0/0xc0
[  347.041746]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.046937]  ? find_held_lock+0x36/0x1c0
[  347.051000]  ? zap_class+0x640/0x640
[  347.054731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.060269]  ? check_preemption_disabled+0x48/0x280
[  347.065287]  ? __lock_is_held+0xb5/0x140
[  347.069344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.074877]  ? check_preemption_disabled+0x48/0x280
[  347.079889]  run_timer_softirq+0x52/0xb0
[  347.083944]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.088954]  __do_softirq+0x308/0xb7e
[  347.092754]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.097239]  ? lock_downgrade+0x900/0x900
[  347.101382]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.106484]  ? pvclock_read_flags+0x160/0x160
[  347.110990]  ? lapic_next_event+0x5a/0x90
[  347.115136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.120670]  ? kvm_clock_read+0x18/0x30
[  347.124641]  ? kvm_sched_clock_read+0x9/0x20
[  347.129053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.134582]  ? check_preemption_disabled+0x48/0x280
[  347.139600]  irq_exit+0x17f/0x1c0
[  347.143049]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.147888]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.153790]  ? interrupt_entry+0xb5/0xc0
[  347.157856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.162866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.167881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.172722]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.177744]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.182755]  ? task_prio+0x50/0x50
[  347.186303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.191935]  ? check_preemption_disabled+0x48/0x280
[  347.196948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.201794]  apic_timer_interrupt+0xf/0x20
[  347.206015]  </IRQ>
[  347.208244] RIP: 0010:console_unlock+0x102f/0x1190
[  347.213165] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  347.232081] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  347.239785] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  347.247046] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  347.254309] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  347.261570] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  347.268831] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  347.276095]  ? netconsole_netdev_event+0x280/0x280
[  347.281023]  ? console_unlock+0x1026/0x1190
[  347.285352]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  347.290012]  ? vprintk_emit+0x846/0x990
[  347.293979]  ? lock_release+0xa00/0xa00
[  347.297949]  ? trace_hardirqs_on+0x60/0x310
[  347.302265]  ? vprintk_default+0x28/0x30
[  347.306318]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.311415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.316953]  vprintk_emit+0x391/0x990
[  347.320754]  ? wake_up_klogd+0x180/0x180
[  347.324818]  ? find_held_lock+0x1/0x1c0
[  347.328798]  ? mark_held_locks+0xc7/0x130
[  347.332939]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.337426]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.341920]  vprintk_default+0x28/0x30
[  347.345803]  vprintk_func+0x7e/0x181
[  347.349509]  printk+0xa7/0xcf
[  347.352608]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  347.357356]  ? _raw_spin_unlock_irq+0x60/0x80
[  347.361858]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  347.367138]  dump_header+0x7cc/0xf72
[  347.370858]  ? pagefault_out_of_memory+0x197/0x197
[  347.375793]  ? __lock_acquire+0x62f/0x4c20
[  347.380044]  ? percpu_ref_get_many+0x240/0x240
[  347.384623]  ? print_usage_bug+0xc0/0xc0
[  347.388686]  ? zap_class+0x640/0x640
[  347.392403]  ? print_usage_bug+0xc0/0xc0
[  347.396462]  ? zap_class+0x640/0x640
[  347.400175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.405717]  ? find_held_lock+0x36/0x1c0
[  347.409779]  ? mark_held_locks+0xc7/0x130
[  347.413920]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.419015]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.424113]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.428689]  ? trace_hardirqs_on+0xbd/0x310
[  347.433025]  ? kasan_check_read+0x11/0x20
[  347.437165]  ? ___ratelimit+0x3b4/0x672
[  347.441134]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.446234]  ? trace_hardirqs_on+0x310/0x310
[  347.450640]  ? lock_downgrade+0x900/0x900
[  347.454788]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  347.459887]  ? ___ratelimit+0x3b9/0x672
[  347.463858]  ? idr_get_free+0xf70/0xf70
[  347.467825]  ? find_held_lock+0x36/0x1c0
[  347.471887]  oom_kill_process.cold.27+0x10/0x903
[  347.476636]  ? zap_class+0x640/0x640
[  347.480347]  ? check_preemption_disabled+0x48/0x280
[  347.485358]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.490280]  ? kasan_check_read+0x11/0x20
[  347.494422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.499693]  ? oom_evaluate_task+0x540/0x540
[  347.504124]  ? find_held_lock+0x36/0x1c0
[  347.508268]  ? out_of_memory+0x974/0x1430
[  347.512413]  ? lock_downgrade+0x900/0x900
[  347.516555]  ? check_preemption_disabled+0x48/0x280
[  347.521565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.526484]  ? kasan_check_read+0x11/0x20
[  347.530623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.535892]  ? rcu_softirq_qs+0x20/0x20
[  347.539858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.545388]  ? oom_evaluate_task+0x302/0x540
[  347.549794]  out_of_memory+0xa84/0x1430
[  347.553778]  ? oom_killer_disable+0x3a0/0x3a0
[  347.558270]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  347.563199]  ? __ww_mutex_check_waiters+0x160/0x160
[  347.568220]  __alloc_pages_slowpath+0x2354/0x2e10
[  347.573080]  ? warn_alloc+0x120/0x120
[  347.576871]  ? mark_held_locks+0x130/0x130
[  347.581104]  ? find_get_entry+0xaae/0x1120
[  347.585341]  ? filemap_map_pages+0x1a20/0x1a20
[  347.589923]  ? zap_class+0x640/0x640
[  347.593638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.599170]  ? check_preemption_disabled+0x48/0x280
[  347.604180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.609715]  ? should_fail+0x22d/0xd01
[  347.613601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.618707]  ? zap_class+0x640/0x640
[  347.622442]  ? __lock_is_held+0xb5/0x140
[  347.626504]  ? mark_held_locks+0x130/0x130
[  347.630739]  ? lock_release+0xa00/0xa00
[  347.634724]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.640168]  ? xa_load+0x2ba/0x460
[  347.643710]  ? lock_downgrade+0x900/0x900
[  347.647856]  ? __might_sleep+0x95/0x190
[  347.651827]  __alloc_pages_nodemask+0xa80/0xde0
[  347.656495]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  347.661504]  ? __page_cache_alloc+0x191/0x5c0
[  347.665993]  ? xa_load+0x2e1/0x460
[  347.669524]  ? xa_clear_mark+0x40/0x40
[  347.673407]  ? zap_class+0x640/0x640
[  347.677121]  ? zap_class+0x640/0x640
[  347.680827]  ? zap_class+0x640/0x640
[  347.684538]  ? __do_page_cache_readahead+0x663/0x810
[  347.689636]  ? find_held_lock+0x36/0x1c0
[  347.693702]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  347.699245]  alloc_pages_current+0x173/0x350
[  347.703651]  __page_cache_alloc+0x38c/0x5c0
[  347.707965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.712882]  ? kasan_check_read+0x11/0x20
[  347.717029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.722299]  ? generic_perform_write+0x6a0/0x6a0
[  347.727051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.732591]  ? check_preemption_disabled+0x48/0x280
[  347.737609]  filemap_fault+0x1595/0x25f0
[  347.741675]  ? __lock_page_or_retry+0xa00/0xa00
[  347.746347]  ? mark_held_locks+0x130/0x130
[  347.750582]  ? filemap_map_pages+0xd6b/0x1a20
[  347.755073]  ? lock_downgrade+0x900/0x900
[  347.759216]  ? check_preemption_disabled+0x48/0x280
[  347.764242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.769162]  ? kasan_check_read+0x11/0x20
[  347.773311]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.778578]  ? rcu_softirq_qs+0x20/0x20
[  347.782554]  ? filemap_map_pages+0xd92/0x1a20
[  347.787046]  ? print_usage_bug+0xc0/0xc0
[  347.791104]  ? find_get_entries_tag+0x1400/0x1400
[  347.795940]  ? __kasan_slab_free+0x102/0x150
[  347.800340]  ? kasan_slab_free+0xe/0x10
[  347.804308]  ? kmem_cache_free+0x83/0x290
[  347.808446]  ? __sigqueue_free.part.29+0x74/0x90
[  347.813214]  ? lock_acquire+0x1ed/0x520
[  347.817184]  ? ext4_filemap_fault+0x7a/0xad
[  347.821506]  ? lock_release+0xa00/0xa00
[  347.825470]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.830915]  ? print_usage_bug+0xc0/0xc0
[  347.834973]  ? print_usage_bug+0xc0/0xc0
[  347.839035]  ? down_read+0x8d/0x120
[  347.842652]  ? ext4_filemap_fault+0x7a/0xad
[  347.846970]  ? __down_interruptible+0x700/0x700
[  347.851643]  ext4_filemap_fault+0x82/0xad
[  347.855793]  __do_fault+0x100/0x6b0
[  347.859419]  ? pmd_devmap_trans_unstable+0x220/0x220
[  347.864514]  ? mark_held_locks+0x130/0x130
[  347.868742]  ? mark_held_locks+0x130/0x130
[  347.872993]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  347.878524]  ? rcu_pm_notify+0xc0/0xc0
[  347.882413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.887951]  __handle_mm_fault+0x3ea0/0x5be0
[  347.892358]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  347.897202]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.901699]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.906279]  ? trace_hardirqs_on+0xbd/0x310
[  347.910590]  ? kasan_check_read+0x11/0x20
[  347.914733]  ? __set_current_blocked+0xdf/0x120
[  347.919397]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.924501]  ? zap_class+0x640/0x640
[  347.928223]  ? zap_class+0x640/0x640
[  347.931939]  ? find_held_lock+0x36/0x1c0
[  347.936003]  ? handle_mm_fault+0x42a/0xc70
[  347.940230]  ? lock_downgrade+0x900/0x900
[  347.944383]  ? check_preemption_disabled+0x48/0x280
[  347.949394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.954317]  ? kasan_check_read+0x11/0x20
[  347.958459]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.963732]  ? rcu_softirq_qs+0x20/0x20
[  347.967700]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.972798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.978330]  ? check_preemption_disabled+0x48/0x280
[  347.983345]  handle_mm_fault+0x54f/0xc70
[  347.987399]  ? __handle_mm_fault+0x5be0/0x5be0
[  347.991977]  ? find_vma+0x34/0x190
[  347.995513]  __do_page_fault+0x5e8/0xe60
[  347.999564]  ? exit_to_usermode_loop+0x1f4/0x380
[  348.004319]  do_page_fault+0xf2/0x7e0
[  348.008117]  ? vmalloc_sync_all+0x30/0x30
[  348.012260]  ? error_entry+0x70/0xd0
[  348.015972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.020980]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.025917]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.030839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.035691]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.040711]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.046156]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.051164]  ? page_fault+0x8/0x30
[  348.054708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.059549]  ? page_fault+0x8/0x30
[  348.063085]  page_fault+0x1e/0x30
[  348.066531] RIP: 0033:0x45db60
[  348.069731] Code: Bad RIP value.
[  348.073083] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  348.078439] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  348.085705] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  348.092965] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  348.100227] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  348.107492] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  348.114773] warn_alloc_show_mem: 1 callbacks suppressed
[  348.114782] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  348.114784] Mem-Info:
[  348.114813] active_anon:48041 inactive_anon:196 isolated_anon:0
[  348.114813]  active_file:13 inactive_file:15 isolated_file:0
[  348.114813]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.114813]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  348.114813]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  348.114813]  free:13795 free_pcp:455 free_cma:0
[  348.120144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.127409] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.129797] Call Trace:
[  348.162656] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  348.171993]  <IRQ>
[  348.199374] lowmem_reserve[]: 0 2818 6321 6321
[  348.201957]  dump_stack+0x244/0x39d
[  348.228491] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  348.230657]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.235197] lowmem_reserve[]: 0 0 3503 3503
[  348.238820]  warn_alloc.cold.116+0xb7/0x1bd
[  348.266536] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  348.271715]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.275998] lowmem_reserve[]: 0 0 0 0
[  348.280316]  ? lock_downgrade+0x900/0x900
[  348.309256] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  348.314182]  ? trace_hardirqs_off+0xb8/0x310
[  348.317944] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  348.322086]  ? trace_hardirqs_off+0xb8/0x310
[  348.335577] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  348.339978]  __alloc_pages_slowpath+0x26e8/0x2e10
[  348.356175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  348.360590]  ? warn_alloc+0x120/0x120
[  348.376700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  348.376708] 272 total pagecache pages
[  348.381550]  ? warn_alloc+0x120/0x120
[  348.390352] 0 pages in swap cache
[  348.394131]  ? warn_alloc+0x120/0x120
[  348.402680] Swap cache stats: add 0, delete 0, find 0/0
[  348.406458]  ? print_usage_bug+0xc0/0xc0
[  348.410225] Free swap  = 0kB
[  348.413663]  ? print_usage_bug+0xc0/0xc0
[  348.417438] Total swap = 0kB
[  348.422789]  ? ktime_get+0x2c1/0x400
[  348.426821] 1965979 pages RAM
[  348.429840]  ? check_preemption_disabled+0x48/0x280
[  348.433866] 0 pages HighMem/MovableOnly
[  348.436870]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  348.440550] 342853 pages reserved
[  348.440557] 0 pages cma reserved
[  348.443653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.448693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.452600]  ? should_fail+0x22d/0xd01
[  348.457138] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.460509]  ? kasan_check_read+0x11/0x20
[  348.463846] syz-fuzzer cpuset=/ mems_allowed=0
[  348.469373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.503688]  ? __lock_acquire+0x62f/0x4c20
[  348.507923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.513017]  ? should_fail+0x22d/0xd01
[  348.516901]  ? print_usage_bug+0xc0/0xc0
[  348.520968]  ? mark_held_locks+0x130/0x130
[  348.525201]  ? mark_held_locks+0x130/0x130
[  348.529434]  ? check_preemption_disabled+0x48/0x280
[  348.534450]  ? zap_class+0x640/0x640
[  348.538170]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.542925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.548454]  ? check_preemption_disabled+0x48/0x280
[  348.553473]  ? __lock_is_held+0xb5/0x140
[  348.557533]  __alloc_pages_nodemask+0xa80/0xde0
[  348.562195]  ? zap_class+0x640/0x640
[  348.565907]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.570927]  ? find_held_lock+0x36/0x1c0
[  348.574990]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.579653]  ? lock_downgrade+0x900/0x900
[  348.583805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.589339]  cache_grow_begin+0xa5/0x8c0
[  348.593393]  ? do_raw_spin_unlock+0xa7/0x330
[  348.597800]  fallback_alloc+0x204/0x2e0
[  348.601776]  ____cache_alloc_node+0x1c7/0x1e0
[  348.606267]  kmem_cache_alloc_node+0xe3/0x730
[  348.610755]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.615342]  __alloc_skb+0x119/0x770
[  348.619048]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  348.624410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  348.628822]  ? vprintk_default+0x28/0x30
[  348.632881]  ? vprintk_func+0x85/0x181
[  348.636764]  ? printk+0xa7/0xcf
[  348.640041]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  348.644808]  new_skb+0x26/0x1c0
[  348.648084]  aoecmd_cfg+0x279/0x7f0
[  348.651709]  ? find_held_lock+0x36/0x1c0
[  348.655764]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  348.660085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.665632]  ? __lock_is_held+0xb5/0x140
[  348.669712]  discover_timer+0x50/0x60
[  348.673509]  call_timer_fn+0x272/0x920
[  348.677389]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.682225]  ? process_timeout+0x40/0x40
[  348.686289]  ? __run_timers+0x7da/0xc70
[  348.690262]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.694753]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.699241]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.704076]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.708653]  ? trace_hardirqs_on+0xbd/0x310
[  348.712965]  ? kasan_check_read+0x11/0x20
[  348.717110]  ? __run_timers+0x7da/0xc70
[  348.721076]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.726186]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.731022]  __run_timers+0x7e5/0xc70
[  348.734826]  ? timer_fixup_init+0x70/0x70
[  348.738970]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  348.743983]  ? zap_class+0x640/0x640
[  348.747693]  ? enqueue_hrtimer+0x1a5/0x560
[  348.751922]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  348.757110]  ? find_held_lock+0x36/0x1c0
[  348.761170]  ? zap_class+0x640/0x640
[  348.764884]  ? pvclock_read_flags+0x160/0x160
[  348.769373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.774903]  ? check_preemption_disabled+0x48/0x280
[  348.779921]  ? __lock_is_held+0xb5/0x140
[  348.783978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.789507]  ? check_preemption_disabled+0x48/0x280
[  348.794615]  run_timer_softirq+0x52/0xb0
[  348.798675]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.803687]  __do_softirq+0x308/0xb7e
[  348.807484]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  348.811973]  ? lock_downgrade+0x900/0x900
[  348.816118]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.821223]  ? pvclock_read_flags+0x160/0x160
[  348.825712]  ? lapic_next_event+0x5a/0x90
[  348.829855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.835388]  ? kvm_clock_read+0x18/0x30
[  348.839358]  ? kvm_sched_clock_read+0x9/0x20
[  348.843762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.849290]  ? check_preemption_disabled+0x48/0x280
[  348.854309]  irq_exit+0x17f/0x1c0
[  348.857754]  smp_apic_timer_interrupt+0x1cb/0x760
[  348.862596]  ? smp_reschedule_interrupt+0x109/0x650
[  348.867609]  ? smp_call_function_single_interrupt+0x650/0x650
[  348.873485]  ? interrupt_entry+0xb5/0xc0
[  348.877562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.882579]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.887602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.892440]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.897451]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.902470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.907312]  apic_timer_interrupt+0xf/0x20
[  348.911538]  </IRQ>
[  348.913769] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  348.918878] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  348.937771] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  348.945473] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  348.952736] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  348.959995] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  348.967256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  348.974518] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  348.981810]  skb_clone+0x1bb/0x500
[  348.985344]  ? finish_task_switch+0x2f4/0x910
[  348.989833]  ? skb_split+0x11e0/0x11e0
[  348.993714]  ? preempt_notifier_register+0x200/0x200
[  348.998807]  ? __switch_to_asm+0x34/0x70
[  349.002859]  ? __switch_to_asm+0x34/0x70
[  349.006913]  ? __switch_to_asm+0x40/0x70
[  349.010965]  ? __switch_to_asm+0x34/0x70
[  349.015014]  ? __switch_to_asm+0x40/0x70
[  349.019070]  ? __switch_to_asm+0x34/0x70
[  349.023127]  ? __switch_to_asm+0x40/0x70
[  349.027182]  ? __switch_to_asm+0x34/0x70
[  349.031235]  ? __switch_to_asm+0x34/0x70
[  349.035284]  ? __switch_to_asm+0x40/0x70
[  349.039336]  ? __switch_to_asm+0x34/0x70
[  349.043395]  bpf_clone_redirect+0xb9/0x490
[  349.047627]  ? __schedule+0x8d7/0x21d0
[  349.051513]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  349.056522]  ? __sched_text_start+0x8/0x8
[  349.060667]  ? retint_kernel+0x2d/0x2d
[  349.064555]  ? find_held_lock+0x36/0x1c0
[  349.068636]  ? lock_acquire+0x1ed/0x520
[  349.072610]  ? bpf_test_run+0x3cb/0x780
[  349.076586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.082125]  ? check_preemption_disabled+0x48/0x280
[  349.087143]  ? kasan_check_read+0x11/0x20
[  349.091287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.096560]  ? rcu_softirq_qs+0x20/0x20
[  349.100537]  ? preempt_schedule+0x4d/0x60
[  349.104681]  ? ___preempt_schedule+0x16/0x18
[  349.109105]  ? bpf_test_run+0x25d/0x780
[  349.113087]  ? netlink_diag_dump+0x2a0/0x2a0
[  349.117494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.123021]  ? bpf_test_init.isra.10+0x70/0x100
[  349.127687]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  349.132445]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  349.137281]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.142812]  ? fput+0x130/0x1a0
[  349.146084]  ? __bpf_prog_get+0x9b/0x290
[  349.150144]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  349.154976]  ? bpf_prog_test_run+0x130/0x1a0
[  349.159380]  ? __x64_sys_bpf+0x3d8/0x520
[  349.163450]  ? bpf_prog_get+0x20/0x20
[  349.167261]  ? do_syscall_64+0x1b9/0x820
[  349.171314]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  349.176674]  ? syscall_return_slowpath+0x5e0/0x5e0
[  349.181600]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.186615]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  349.191634]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  349.198295]  ? __switch_to_asm+0x40/0x70
[  349.202351]  ? __switch_to_asm+0x34/0x70
[  349.206411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.211253]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  349.216629] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  349.216687] aoe: skb alloc failure
[  349.223545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.223550] Call Trace:
[  349.223555]  <IRQ>
[  349.223578]  dump_stack+0x244/0x39d
[  349.223596]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.227138] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.236462]  warn_alloc.cold.116+0xb7/0x1bd
[  349.239010] syz-executor4 cpuset=syz4 mems_allowed=0
[  349.241150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.274591]  ? lock_downgrade+0x900/0x900
[  349.278741]  ? trace_hardirqs_off+0xb8/0x310
[  349.283149]  ? trace_hardirqs_off+0xb8/0x310
[  349.287565]  __alloc_pages_slowpath+0x26e8/0x2e10
[  349.292426]  ? warn_alloc+0x120/0x120
[  349.296225]  ? print_usage_bug+0xc0/0xc0
[  349.300279]  ? warn_alloc+0x120/0x120
[  349.304075]  ? warn_alloc+0x120/0x120
[  349.307874]  ? print_usage_bug+0xc0/0xc0
[  349.311929]  ? kvm_clock_read+0x18/0x30
[  349.315895]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  349.320909]  ? print_usage_bug+0xc0/0xc0
[  349.324966]  ? __lock_acquire+0x62f/0x4c20
[  349.329200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.334729]  ? should_fail+0x22d/0xd01
[  349.338611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.343889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.348984]  ? __lock_acquire+0x62f/0x4c20
[  349.353217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.358313]  ? __lock_acquire+0x62f/0x4c20
[  349.362539]  ? should_fail+0x22d/0xd01
[  349.366425]  ? rcu_irq_exit+0x1a2/0x390
[  349.370404]  ? mark_held_locks+0x130/0x130
[  349.374638]  ? mark_held_locks+0x130/0x130
[  349.378871]  ? mark_held_locks+0xc7/0x130
[  349.383012]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  349.388021]  ? zap_class+0x640/0x640
[  349.391730]  ? print_usage_bug+0xc0/0xc0
[  349.395791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.401321]  ? check_preemption_disabled+0x48/0x280
[  349.406337]  ? __lock_is_held+0xb5/0x140
[  349.410400]  __alloc_pages_nodemask+0xa80/0xde0
[  349.415061]  ? zap_class+0x640/0x640
[  349.418776]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.423797]  ? find_held_lock+0x36/0x1c0
[  349.427860]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.432531]  ? lock_downgrade+0x900/0x900
[  349.436690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.442224]  cache_grow_begin+0xa5/0x8c0
[  349.446280]  ? do_raw_spin_unlock+0xa7/0x330
[  349.450688]  fallback_alloc+0x204/0x2e0
[  349.454664]  ____cache_alloc_node+0x1c7/0x1e0
[  349.459160]  kmem_cache_alloc_node+0xe3/0x730
[  349.463648]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.467882]  __alloc_skb+0x119/0x770
[  349.471601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.476874]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.481286]  ? lock_downgrade+0x900/0x900
[  349.485439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.490973]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.496420]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.501862]  ? addrconf_rs_timer+0x690/0x690
[  349.506275]  ndisc_alloc_skb+0x144/0x340
[  349.510337]  ndisc_send_rs+0x331/0x6e0
[  349.514220]  addrconf_rs_timer+0x314/0x690
[  349.518449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.522690]  call_timer_fn+0x272/0x920
[  349.526569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.530799]  ? process_timeout+0x40/0x40
[  349.534859]  ? mark_held_locks+0xc7/0x130
[  349.539005]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.543495]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.547984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.552211]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.556788]  ? trace_hardirqs_on+0xbd/0x310
[  349.561112]  ? kasan_check_read+0x11/0x20
[  349.565261]  ? __run_timers+0x7da/0xc70
[  349.569235]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.574333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.578569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.582812]  __run_timers+0x7e5/0xc70
[  349.586616]  ? timer_fixup_init+0x70/0x70
[  349.590757]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.595768]  ? zap_class+0x640/0x640
[  349.599478]  ? print_usage_bug+0xc0/0xc0
[  349.603543]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.608734]  ? find_held_lock+0x36/0x1c0
[  349.612795]  ? zap_class+0x640/0x640
[  349.616505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.622053]  ? check_preemption_disabled+0x48/0x280
[  349.627069]  ? __lock_is_held+0xb5/0x140
[  349.631126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.636657]  ? check_preemption_disabled+0x48/0x280
[  349.641671]  run_timer_softirq+0x52/0xb0
[  349.645724]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.650735]  __do_softirq+0x308/0xb7e
[  349.654541]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.659032]  ? lock_downgrade+0x900/0x900
[  349.663178]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.668378]  ? pvclock_read_flags+0x160/0x160
[  349.672873]  ? lapic_next_event+0x5a/0x90
[  349.677017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.682564]  ? kvm_clock_read+0x18/0x30
[  349.686542]  ? kvm_sched_clock_read+0x9/0x20
[  349.690952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.696486]  ? check_preemption_disabled+0x48/0x280
[  349.701501]  irq_exit+0x17f/0x1c0
[  349.704953]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.709795]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.715671]  ? interrupt_entry+0xb5/0xc0
[  349.719723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.724729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.729739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.734588]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.739596]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.744609]  ? task_prio+0x50/0x50
[  349.748145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.753679]  ? check_preemption_disabled+0x48/0x280
[  349.758693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.763544]  apic_timer_interrupt+0xf/0x20
[  349.767768]  </IRQ>
[  349.769995] RIP: 0010:console_unlock+0x102f/0x1190
[  349.774929] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  349.793819] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  349.801648] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  349.809021] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  349.816285] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  349.823549] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  349.830820] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  349.838098]  ? netconsole_netdev_event+0x280/0x280
[  349.843025]  ? console_unlock+0x1026/0x1190
[  349.847354]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  349.852016]  ? vprintk_emit+0x846/0x990
[  349.855988]  ? lock_release+0xa00/0xa00
[  349.859955]  ? trace_hardirqs_on+0x60/0x310
[  349.864269]  ? vprintk_default+0x28/0x30
[  349.868323]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.873418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.878957]  vprintk_emit+0x391/0x990
[  349.882754]  ? wake_up_klogd+0x180/0x180
[  349.886815]  ? find_held_lock+0x1/0x1c0
[  349.890790]  ? mark_held_locks+0xc7/0x130
[  349.894935]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.899420]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.903912]  vprintk_default+0x28/0x30
[  349.907796]  vprintk_func+0x7e/0x181
[  349.911512]  printk+0xa7/0xcf
[  349.914614]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  349.919365]  ? _raw_spin_unlock_irq+0x60/0x80
[  349.923862]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  349.929144]  dump_header+0x7cc/0xf72
[  349.932866]  ? pagefault_out_of_memory+0x197/0x197
[  349.937794]  ? __lock_acquire+0x62f/0x4c20
[  349.942020]  ? percpu_ref_get_many+0x240/0x240
[  349.946600]  ? print_usage_bug+0xc0/0xc0
[  349.950659]  ? zap_class+0x640/0x640
[  349.954366]  ? print_usage_bug+0xc0/0xc0
[  349.958424]  ? zap_class+0x640/0x640
[  349.962132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.967663]  ? find_held_lock+0x36/0x1c0
[  349.971724]  ? mark_held_locks+0xc7/0x130
[  349.975866]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.980963]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.986058]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.990636]  ? trace_hardirqs_on+0xbd/0x310
[  349.994952]  ? kasan_check_read+0x11/0x20
[  349.999091]  ? ___ratelimit+0x3b4/0x672
[  350.003063]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.008160]  ? trace_hardirqs_on+0x310/0x310
[  350.012567]  ? lock_downgrade+0x900/0x900
[  350.016712]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.021809]  ? ___ratelimit+0x3b9/0x672
[  350.025778]  ? idr_get_free+0xf70/0xf70
[  350.029746]  ? find_held_lock+0x36/0x1c0
[  350.033811]  oom_kill_process.cold.27+0x10/0x903
[  350.038571]  ? zap_class+0x640/0x640
[  350.042281]  ? check_preemption_disabled+0x48/0x280
[  350.047294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.052213]  ? kasan_check_read+0x11/0x20
[  350.056352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.061625]  ? oom_evaluate_task+0x540/0x540
[  350.066033]  ? find_held_lock+0x36/0x1c0
[  350.070094]  ? out_of_memory+0x974/0x1430
[  350.074236]  ? lock_downgrade+0x900/0x900
[  350.078404]  ? check_preemption_disabled+0x48/0x280
[  350.083414]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.088336]  ? kasan_check_read+0x11/0x20
[  350.092476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.097750]  ? rcu_softirq_qs+0x20/0x20
[  350.101721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.107253]  ? oom_evaluate_task+0x302/0x540
[  350.111662]  out_of_memory+0xa84/0x1430
[  350.115640]  ? oom_killer_disable+0x3a0/0x3a0
[  350.120129]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  350.125055]  ? __ww_mutex_check_waiters+0x160/0x160
[  350.130079]  __alloc_pages_slowpath+0x2354/0x2e10
[  350.134937]  ? warn_alloc+0x120/0x120
[  350.138734]  ? mark_held_locks+0x130/0x130
[  350.142968]  ? find_get_entry+0xaae/0x1120
[  350.147206]  ? filemap_map_pages+0x1a20/0x1a20
[  350.151786]  ? zap_class+0x640/0x640
[  350.155506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.161042]  ? check_preemption_disabled+0x48/0x280
[  350.166051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.171584]  ? should_fail+0x22d/0xd01
[  350.175474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.180592]  ? zap_class+0x640/0x640
[  350.184337]  ? __lock_is_held+0xb5/0x140
[  350.188403]  ? mark_held_locks+0x130/0x130
[  350.192639]  ? lock_release+0xa00/0xa00
[  350.196607]  ? perf_trace_sched_process_exec+0x860/0x860
[  350.202517]  ? xa_load+0x2ba/0x460
[  350.206076]  ? lock_downgrade+0x900/0x900
[  350.210222]  ? __might_sleep+0x95/0x190
[  350.214195]  __alloc_pages_nodemask+0xa80/0xde0
[  350.218865]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.223876]  ? __page_cache_alloc+0x191/0x5c0
[  350.228364]  ? xa_load+0x2e1/0x460
[  350.231904]  ? xa_clear_mark+0x40/0x40
[  350.235787]  ? zap_class+0x640/0x640
[  350.239511]  ? zap_class+0x640/0x640
[  350.243222]  ? zap_class+0x640/0x640
[  350.246931]  ? __do_page_cache_readahead+0x663/0x810
[  350.252031]  ? find_held_lock+0x36/0x1c0
[  350.256095]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  350.261633]  alloc_pages_current+0x173/0x350
[  350.266040]  __page_cache_alloc+0x38c/0x5c0
[  350.270353]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.275280]  ? kasan_check_read+0x11/0x20
[  350.279422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.284695]  ? generic_perform_write+0x6a0/0x6a0
[  350.289447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.294986]  ? check_preemption_disabled+0x48/0x280
[  350.300004]  filemap_fault+0x1595/0x25f0
[  350.304073]  ? __lock_page_or_retry+0xa00/0xa00
[  350.308741]  ? mark_held_locks+0x130/0x130
[  350.312979]  ? filemap_map_pages+0xd6b/0x1a20
[  350.317478]  ? lock_downgrade+0x900/0x900
[  350.321623]  ? check_preemption_disabled+0x48/0x280
[  350.326637]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.331562]  ? kasan_check_read+0x11/0x20
[  350.335712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.340982]  ? rcu_softirq_qs+0x20/0x20
[  350.344965]  ? filemap_map_pages+0xd92/0x1a20
[  350.349457]  ? print_usage_bug+0xc0/0xc0
[  350.353547]  ? find_get_entries_tag+0x1400/0x1400
[  350.358383]  ? __kasan_slab_free+0x102/0x150
[  350.362783]  ? kasan_slab_free+0xe/0x10
[  350.366752]  ? kmem_cache_free+0x83/0x290
[  350.371058]  ? __sigqueue_free.part.29+0x74/0x90
[  350.375821]  ? lock_acquire+0x1ed/0x520
[  350.379794]  ? ext4_filemap_fault+0x7a/0xad
[  350.384117]  ? lock_release+0xa00/0xa00
[  350.388084]  ? perf_trace_sched_process_exec+0x860/0x860
[  350.393536]  ? print_usage_bug+0xc0/0xc0
[  350.397593]  ? print_usage_bug+0xc0/0xc0
[  350.401668]  ? down_read+0x8d/0x120
[  350.405300]  ? ext4_filemap_fault+0x7a/0xad
[  350.409641]  ? __down_interruptible+0x700/0x700
[  350.414313]  ext4_filemap_fault+0x82/0xad
[  350.418457]  __do_fault+0x100/0x6b0
[  350.422096]  ? pmd_devmap_trans_unstable+0x220/0x220
[  350.427196]  ? mark_held_locks+0x130/0x130
[  350.431434]  ? mark_held_locks+0x130/0x130
[  350.435674]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  350.441208]  ? rcu_pm_notify+0xc0/0xc0
[  350.445097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.450647]  __handle_mm_fault+0x3ea0/0x5be0
[  350.455075]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  350.459910]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.464402]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.468979]  ? trace_hardirqs_on+0xbd/0x310
[  350.473295]  ? kasan_check_read+0x11/0x20
[  350.477437]  ? __set_current_blocked+0xdf/0x120
[  350.482105]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.487211]  ? zap_class+0x640/0x640
[  350.490923]  ? zap_class+0x640/0x640
[  350.494635]  ? find_held_lock+0x36/0x1c0
[  350.498698]  ? handle_mm_fault+0x42a/0xc70
[  350.502929]  ? lock_downgrade+0x900/0x900
[  350.507071]  ? check_preemption_disabled+0x48/0x280
[  350.512080]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.517005]  ? kasan_check_read+0x11/0x20
[  350.521143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.526411]  ? rcu_softirq_qs+0x20/0x20
[  350.530382]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.535488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.541021]  ? check_preemption_disabled+0x48/0x280
[  350.546038]  handle_mm_fault+0x54f/0xc70
[  350.550096]  ? __handle_mm_fault+0x5be0/0x5be0
[  350.554678]  ? find_vma+0x34/0x190
[  350.558214]  __do_page_fault+0x5e8/0xe60
[  350.562273]  ? exit_to_usermode_loop+0x1f4/0x380
[  350.567030]  do_page_fault+0xf2/0x7e0
[  350.570829]  ? vmalloc_sync_all+0x30/0x30
[  350.574973]  ? error_entry+0x70/0xd0
[  350.578684]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.583694]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.588631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.593568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.598407]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.603415]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.608866]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.613871]  ? page_fault+0x8/0x30
[  350.617406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.622245]  ? page_fault+0x8/0x30
[  350.625780]  page_fault+0x1e/0x30
[  350.629225] RIP: 0033:0x45db60
[  350.632424] Code: Bad RIP value.
[  350.635786] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  350.641140] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  350.648400] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  350.655678] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  350.662937] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  350.670199] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  350.677490] warn_alloc_show_mem: 1 callbacks suppressed
[  350.677500] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  350.677501] Mem-Info:
[  350.677530] active_anon:48041 inactive_anon:196 isolated_anon:0
[  350.677530]  active_file:13 inactive_file:15 isolated_file:0
[  350.677530]  unevictable:0 dirty:0 writeback:0 unstable:0
[  350.677530]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  350.677530]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  350.677530]  free:13795 free_pcp:455 free_cma:0
[  350.682863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.682870] Call Trace:
[  350.690141] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  350.692528]  <IRQ>
[  350.725381] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  350.734727]  dump_stack+0x244/0x39d
[  350.737278] lowmem_reserve[]: 0 2818 6321 6321
[  350.764676]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.766798] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  350.792920]  warn_alloc.cold.116+0xb7/0x1bd
[  350.796505] lowmem_reserve[]: 0 0 3503 3503
[  350.801080]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.806242] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  350.834007]  ? lock_downgrade+0x900/0x900
[  350.838298] lowmem_reserve[]: 0 0 0 0
[  350.842613]  ? trace_hardirqs_off+0xb8/0x310
[  350.847425] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  350.876393]  ? trace_hardirqs_off+0xb8/0x310
[  350.880509] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  350.884305]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.888683] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  350.902217]  ? warn_alloc+0x120/0x120
[  350.906583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  350.922778]  ? warn_alloc+0x120/0x120
[  350.927590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.927597] 272 total pagecache pages
[  350.942762]  ? __lock_acquire+0x62f/0x4c20
[  350.946541] 0 pages in swap cache
[  350.955351]  ? warn_alloc+0x120/0x120
[  350.959126] Swap cache stats: add 0, delete 0, find 0/0
[  350.967687]  ? print_usage_bug+0xc0/0xc0
[  350.971455] Free swap  = 0kB
[  350.975783]  ? print_usage_bug+0xc0/0xc0
[  350.979206] Total swap = 0kB
[  350.982994]  ? mark_held_locks+0x130/0x130
[  350.988338] 1965979 pages RAM
[  350.992382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.995371] 0 pages HighMem/MovableOnly
[  350.999420]  ? should_fail+0x22d/0xd01
[  351.002436] 342853 pages reserved
[  351.006654]  ? zap_class+0x640/0x640
[  351.009736] 0 pages cma reserved
[  351.015270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.019264] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  351.023101]  ? __lock_acquire+0x62f/0x4c20
[  351.026598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.030319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.033657] syz-fuzzer cpuset=/ mems_allowed=0
[  351.038748]  ? should_fail+0x22d/0xd01
[  351.073168]  ? mark_held_locks+0x130/0x130
[  351.077428]  ? mark_held_locks+0x130/0x130
[  351.081659]  ? lock_downgrade+0x900/0x900
[  351.085803]  ? zap_class+0x640/0x640
[  351.089511]  ? zap_class+0x640/0x640
[  351.093222]  ? zap_class+0x640/0x640
[  351.096929]  ? do_raw_spin_unlock+0xa7/0x330
[  351.101343]  ? trace_hardirqs_on+0x310/0x310
[  351.105742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.111274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.116806]  ? check_preemption_disabled+0x48/0x280
[  351.121834]  ? __lock_is_held+0xb5/0x140
[  351.125893]  __alloc_pages_nodemask+0xa80/0xde0
[  351.130556]  ? zap_class+0x640/0x640
[  351.134268]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.139287]  ? find_held_lock+0x36/0x1c0
[  351.143348]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.148024]  ? lock_downgrade+0x900/0x900
[  351.152169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.157699]  cache_grow_begin+0xa5/0x8c0
[  351.161749]  ? do_raw_spin_unlock+0xa7/0x330
[  351.166186]  fallback_alloc+0x204/0x2e0
[  351.170173]  ____cache_alloc_node+0x1c7/0x1e0
[  351.174663]  kmem_cache_alloc_node+0xe3/0x730
[  351.179153]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.183751]  __alloc_skb+0x119/0x770
[  351.187460]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  351.192820]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.197226]  ? vprintk_default+0x28/0x30
[  351.201277]  ? vprintk_func+0x85/0x181
[  351.205177]  ? printk+0xa7/0xcf
[  351.208446]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  351.213203]  new_skb+0x26/0x1c0
[  351.216476]  aoecmd_cfg+0x279/0x7f0
[  351.220094]  ? find_held_lock+0x36/0x1c0
[  351.224146]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  351.228472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.234030]  ? __lock_is_held+0xb5/0x140
[  351.238097]  discover_timer+0x50/0x60
[  351.241892]  call_timer_fn+0x272/0x920
[  351.245774]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.250607]  ? process_timeout+0x40/0x40
[  351.254671]  ? __run_timers+0x7da/0xc70
[  351.258640]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.263125]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.267614]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.272450]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.277045]  ? trace_hardirqs_on+0xbd/0x310
[  351.281359]  ? kasan_check_read+0x11/0x20
[  351.285502]  ? __run_timers+0x7da/0xc70
[  351.289475]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.294584]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.299426]  __run_timers+0x7e5/0xc70
[  351.303228]  ? timer_fixup_init+0x70/0x70
[  351.307370]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.312387]  ? zap_class+0x640/0x640
[  351.316107]  ? enqueue_hrtimer+0x1a5/0x560
[  351.320340]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.325527]  ? find_held_lock+0x36/0x1c0
[  351.329587]  ? zap_class+0x640/0x640
[  351.333299]  ? pvclock_read_flags+0x160/0x160
[  351.337805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.343332]  ? check_preemption_disabled+0x48/0x280
[  351.348347]  ? __lock_is_held+0xb5/0x140
[  351.352408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.357945]  ? check_preemption_disabled+0x48/0x280
[  351.362962]  run_timer_softirq+0x52/0xb0
[  351.367017]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.372044]  __do_softirq+0x308/0xb7e
[  351.375840]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.380332]  ? lock_downgrade+0x900/0x900
[  351.384483]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.389602]  ? pvclock_read_flags+0x160/0x160
[  351.394093]  ? lapic_next_event+0x5a/0x90
[  351.398240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.403777]  ? kvm_clock_read+0x18/0x30
[  351.407747]  ? kvm_sched_clock_read+0x9/0x20
[  351.412151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.417684]  ? check_preemption_disabled+0x48/0x280
[  351.422706]  irq_exit+0x17f/0x1c0
[  351.426155]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.430989]  ? smp_reschedule_interrupt+0x109/0x650
[  351.435998]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.441876]  ? interrupt_entry+0xb5/0xc0
[  351.445935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.450954]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.455965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.460804]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.465816]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.470920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.475768]  apic_timer_interrupt+0xf/0x20
[  351.479992]  </IRQ>
[  351.482232] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  351.487157] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  351.506067] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  351.513769] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  351.521031] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  351.528290] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  351.535550] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  351.542814] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  351.550109]  skb_clone+0x1bb/0x500
[  351.553648]  ? finish_task_switch+0x2f4/0x910
[  351.558137]  ? skb_split+0x11e0/0x11e0
[  351.562019]  ? preempt_notifier_register+0x200/0x200
[  351.567121]  ? __switch_to_asm+0x34/0x70
[  351.571169]  ? __switch_to_asm+0x34/0x70
[  351.575229]  ? __switch_to_asm+0x40/0x70
[  351.579275]  ? __switch_to_asm+0x34/0x70
[  351.583325]  ? __switch_to_asm+0x40/0x70
[  351.587397]  ? __switch_to_asm+0x34/0x70
[  351.591452]  ? __switch_to_asm+0x40/0x70
[  351.595520]  ? __switch_to_asm+0x34/0x70
[  351.599574]  ? __switch_to_asm+0x34/0x70
[  351.603625]  ? __switch_to_asm+0x40/0x70
[  351.607680]  ? __switch_to_asm+0x34/0x70
[  351.611737]  bpf_clone_redirect+0xb9/0x490
[  351.616055]  ? __schedule+0x8d7/0x21d0
[  351.619943]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  351.624956]  ? __sched_text_start+0x8/0x8
[  351.629111]  ? retint_kernel+0x2d/0x2d
[  351.633002]  ? find_held_lock+0x36/0x1c0
[  351.637061]  ? lock_acquire+0x1ed/0x520
[  351.641029]  ? bpf_test_run+0x3cb/0x780
[  351.644995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.650525]  ? check_preemption_disabled+0x48/0x280
[  351.655540]  ? kasan_check_read+0x11/0x20
[  351.659683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.664954]  ? rcu_softirq_qs+0x20/0x20
[  351.668927]  ? preempt_schedule+0x4d/0x60
[  351.673068]  ? ___preempt_schedule+0x16/0x18
[  351.677479]  ? bpf_test_run+0x25d/0x780
[  351.681459]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.685865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.691396]  ? bpf_test_init.isra.10+0x70/0x100
[  351.696066]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  351.700823]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.705661]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.711189]  ? fput+0x130/0x1a0
[  351.714465]  ? __bpf_prog_get+0x9b/0x290
[  351.718522]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.723363]  ? bpf_prog_test_run+0x130/0x1a0
[  351.727768]  ? __x64_sys_bpf+0x3d8/0x520
[  351.731826]  ? bpf_prog_get+0x20/0x20
[  351.735636]  ? do_syscall_64+0x1b9/0x820
[  351.739692]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.745051]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.750010]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.755032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.760054]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  351.766712]  ? __switch_to_asm+0x40/0x70
[  351.770764]  ? __switch_to_asm+0x34/0x70
[  351.774835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.779677]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.785048] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  351.785103] aoe: skb alloc failure
[  351.791965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.791971] Call Trace:
[  351.795537] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.804825]  <IRQ>
[  351.807391] syz-executor4 cpuset=syz4 mems_allowed=0
[  351.817956]  dump_stack+0x244/0x39d
[  351.828775]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.833969]  warn_alloc.cold.116+0xb7/0x1bd
[  351.838285]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.843127]  ? lock_downgrade+0x900/0x900
[  351.847275]  ? trace_hardirqs_off+0xb8/0x310
[  351.851683]  ? trace_hardirqs_off+0xb8/0x310
[  351.856093]  __alloc_pages_slowpath+0x26e8/0x2e10
[  351.860951]  ? warn_alloc+0x120/0x120
[  351.864747]  ? print_usage_bug+0xc0/0xc0
[  351.868806]  ? warn_alloc+0x120/0x120
[  351.872612]  ? warn_alloc+0x120/0x120
[  351.876421]  ? print_usage_bug+0xc0/0xc0
[  351.880482]  ? kvm_clock_read+0x18/0x30
[  351.884452]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  351.889461]  ? print_usage_bug+0xc0/0xc0
[  351.893518]  ? __lock_acquire+0x62f/0x4c20
[  351.897763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.903297]  ? should_fail+0x22d/0xd01
[  351.907177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.912452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.917551]  ? __lock_acquire+0x62f/0x4c20
[  351.921786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.926885]  ? __lock_acquire+0x62f/0x4c20
[  351.931125]  ? should_fail+0x22d/0xd01
[  351.935002]  ? rcu_irq_exit+0x1a2/0x390
[  351.938978]  ? mark_held_locks+0x130/0x130
[  351.943212]  ? mark_held_locks+0x130/0x130
[  351.947455]  ? mark_held_locks+0xc7/0x130
[  351.951596]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  351.956616]  ? zap_class+0x640/0x640
[  351.960324]  ? print_usage_bug+0xc0/0xc0
[  351.964396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.969933]  ? check_preemption_disabled+0x48/0x280
[  351.974954]  ? __lock_is_held+0xb5/0x140
[  351.979015]  __alloc_pages_nodemask+0xa80/0xde0
[  351.983675]  ? zap_class+0x640/0x640
[  351.987395]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.992418]  ? find_held_lock+0x36/0x1c0
[  351.996482]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.001148]  ? lock_downgrade+0x900/0x900
[  352.005296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.010833]  cache_grow_begin+0xa5/0x8c0
[  352.014889]  ? do_raw_spin_unlock+0xa7/0x330
[  352.019297]  fallback_alloc+0x204/0x2e0
[  352.023273]  ____cache_alloc_node+0x1c7/0x1e0
[  352.027763]  kmem_cache_alloc_node+0xe3/0x730
[  352.032271]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.036508]  __alloc_skb+0x119/0x770
[  352.040215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.045502]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.049906]  ? lock_downgrade+0x900/0x900
[  352.054055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.059584]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.065032]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.070474]  ? addrconf_rs_timer+0x690/0x690
[  352.074888]  ndisc_alloc_skb+0x144/0x340
[  352.078945]  ndisc_send_rs+0x331/0x6e0
[  352.082830]  addrconf_rs_timer+0x314/0x690
[  352.087063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.091300]  call_timer_fn+0x272/0x920
[  352.095187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.099416]  ? process_timeout+0x40/0x40
[  352.103477]  ? mark_held_locks+0xc7/0x130
[  352.107619]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.112102]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.116585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.120823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.125398]  ? trace_hardirqs_on+0xbd/0x310
[  352.129711]  ? kasan_check_read+0x11/0x20
[  352.133849]  ? __run_timers+0x7da/0xc70
[  352.137820]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.142923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.147159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.151388]  __run_timers+0x7e5/0xc70
[  352.155189]  ? timer_fixup_init+0x70/0x70
[  352.159340]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  352.164354]  ? zap_class+0x640/0x640
[  352.168069]  ? print_usage_bug+0xc0/0xc0
[  352.172127]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  352.177336]  ? find_held_lock+0x36/0x1c0
[  352.181491]  ? zap_class+0x640/0x640
[  352.185205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.190757]  ? check_preemption_disabled+0x48/0x280
[  352.195781]  ? __lock_is_held+0xb5/0x140
[  352.199844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.205873]  ? check_preemption_disabled+0x48/0x280
[  352.210895]  run_timer_softirq+0x52/0xb0
[  352.214956]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.219969]  __do_softirq+0x308/0xb7e
[  352.223770]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.228262]  ? lock_downgrade+0x900/0x900
[  352.232409]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.237514]  ? pvclock_read_flags+0x160/0x160
[  352.242004]  ? lapic_next_event+0x5a/0x90
[  352.246152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.251689]  ? kvm_clock_read+0x18/0x30
[  352.255655]  ? kvm_sched_clock_read+0x9/0x20
[  352.260062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.265597]  ? check_preemption_disabled+0x48/0x280
[  352.270616]  irq_exit+0x17f/0x1c0
[  352.274062]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.278902]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.284779]  ? interrupt_entry+0xb5/0xc0
[  352.288836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.293844]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.298855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.303693]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.308702]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.313723]  ? task_prio+0x50/0x50
[  352.317256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.322789]  ? check_preemption_disabled+0x48/0x280
[  352.327800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.332646]  apic_timer_interrupt+0xf/0x20
[  352.336866]  </IRQ>
[  352.339096] RIP: 0010:console_unlock+0x102f/0x1190
[  352.344023] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  352.362918] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  352.370789] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  352.378053] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  352.385319] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  352.392585] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  352.399846] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  352.407121]  ? netconsole_netdev_event+0x280/0x280
[  352.412052]  ? console_unlock+0x1026/0x1190
[  352.416385]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  352.421044]  ? vprintk_emit+0x846/0x990
[  352.425017]  ? lock_release+0xa00/0xa00
[  352.428988]  ? trace_hardirqs_on+0x60/0x310
[  352.433316]  ? vprintk_default+0x28/0x30
[  352.437378]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.442475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.448033]  vprintk_emit+0x391/0x990
[  352.451832]  ? wake_up_klogd+0x180/0x180
[  352.455901]  ? find_held_lock+0x1/0x1c0
[  352.459876]  ? mark_held_locks+0xc7/0x130
[  352.464018]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.468503]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.472996]  vprintk_default+0x28/0x30
[  352.476958]  vprintk_func+0x7e/0x181
[  352.480666]  printk+0xa7/0xcf
[  352.483771]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  352.488523]  ? _raw_spin_unlock_irq+0x60/0x80
[  352.493026]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  352.498309]  dump_header+0x7cc/0xf72
[  352.502032]  ? pagefault_out_of_memory+0x197/0x197
[  352.506963]  ? __lock_acquire+0x62f/0x4c20
[  352.511191]  ? percpu_ref_get_many+0x240/0x240
[  352.515773]  ? print_usage_bug+0xc0/0xc0
[  352.519835]  ? zap_class+0x640/0x640
[  352.523545]  ? print_usage_bug+0xc0/0xc0
[  352.527602]  ? zap_class+0x640/0x640
[  352.531322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.536862]  ? find_held_lock+0x36/0x1c0
[  352.540945]  ? mark_held_locks+0xc7/0x130
[  352.545089]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  352.550186]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  352.555284]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  352.559905]  ? trace_hardirqs_on+0xbd/0x310
[  352.564233]  ? kasan_check_read+0x11/0x20
[  352.568376]  ? ___ratelimit+0x3b4/0x672
[  352.572349]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.577445]  ? trace_hardirqs_on+0x310/0x310
[  352.581847]  ? lock_downgrade+0x900/0x900
[  352.585996]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  352.591092]  ? ___ratelimit+0x3b9/0x672
[  352.595067]  ? idr_get_free+0xf70/0xf70
[  352.599034]  ? find_held_lock+0x36/0x1c0
[  352.603097]  oom_kill_process.cold.27+0x10/0x903
[  352.607844]  ? zap_class+0x640/0x640
[  352.611552]  ? check_preemption_disabled+0x48/0x280
[  352.616563]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.621490]  ? kasan_check_read+0x11/0x20
[  352.625630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.630905]  ? oom_evaluate_task+0x540/0x540
[  352.635316]  ? find_held_lock+0x36/0x1c0
[  352.639395]  ? out_of_memory+0x974/0x1430
[  352.643541]  ? lock_downgrade+0x900/0x900
[  352.647682]  ? check_preemption_disabled+0x48/0x280
[  352.652697]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.657615]  ? kasan_check_read+0x11/0x20
[  352.661766]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.667032]  ? rcu_softirq_qs+0x20/0x20
[  352.671025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.676552]  ? oom_evaluate_task+0x302/0x540
[  352.680954]  out_of_memory+0xa84/0x1430
[  352.684932]  ? oom_killer_disable+0x3a0/0x3a0
[  352.689429]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  352.694357]  ? __ww_mutex_check_waiters+0x160/0x160
[  352.699378]  __alloc_pages_slowpath+0x2354/0x2e10
[  352.704239]  ? warn_alloc+0x120/0x120
[  352.708034]  ? mark_held_locks+0x130/0x130
[  352.712265]  ? find_get_entry+0xaae/0x1120
[  352.716513]  ? filemap_map_pages+0x1a20/0x1a20
[  352.721095]  ? zap_class+0x640/0x640
[  352.724806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.730358]  ? check_preemption_disabled+0x48/0x280
[  352.735367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.740898]  ? should_fail+0x22d/0xd01
[  352.744782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.749889]  ? zap_class+0x640/0x640
[  352.753619]  ? __lock_is_held+0xb5/0x140
[  352.757680]  ? mark_held_locks+0x130/0x130
[  352.761913]  ? lock_release+0xa00/0xa00
[  352.765882]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.771330]  ? xa_load+0x2ba/0x460
[  352.774860]  ? lock_downgrade+0x900/0x900
[  352.779006]  ? __might_sleep+0x95/0x190
[  352.782979]  __alloc_pages_nodemask+0xa80/0xde0
[  352.787648]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.792658]  ? __page_cache_alloc+0x191/0x5c0
[  352.797145]  ? xa_load+0x2e1/0x460
[  352.800683]  ? xa_clear_mark+0x40/0x40
[  352.804562]  ? zap_class+0x640/0x640
[  352.808280]  ? zap_class+0x640/0x640
[  352.811991]  ? zap_class+0x640/0x640
[  352.815696]  ? __do_page_cache_readahead+0x663/0x810
[  352.820819]  ? find_held_lock+0x36/0x1c0
[  352.824878]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  352.830418]  alloc_pages_current+0x173/0x350
[  352.834825]  __page_cache_alloc+0x38c/0x5c0
[  352.839141]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.844062]  ? kasan_check_read+0x11/0x20
[  352.848201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.853482]  ? generic_perform_write+0x6a0/0x6a0
[  352.858348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.863983]  ? check_preemption_disabled+0x48/0x280
[  352.868998]  filemap_fault+0x1595/0x25f0
[  352.873064]  ? __lock_page_or_retry+0xa00/0xa00
[  352.877729]  ? mark_held_locks+0x130/0x130
[  352.881990]  ? filemap_map_pages+0xd6b/0x1a20
[  352.886484]  ? lock_downgrade+0x900/0x900
[  352.890626]  ? check_preemption_disabled+0x48/0x280
[  352.895640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.900565]  ? kasan_check_read+0x11/0x20
[  352.904704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.909977]  ? rcu_softirq_qs+0x20/0x20
[  352.913956]  ? filemap_map_pages+0xd92/0x1a20
[  352.918449]  ? print_usage_bug+0xc0/0xc0
[  352.922509]  ? find_get_entries_tag+0x1400/0x1400
[  352.927347]  ? __kasan_slab_free+0x102/0x150
[  352.931751]  ? kasan_slab_free+0xe/0x10
[  352.935720]  ? kmem_cache_free+0x83/0x290
[  352.939860]  ? __sigqueue_free.part.29+0x74/0x90
[  352.944641]  ? lock_acquire+0x1ed/0x520
[  352.948606]  ? ext4_filemap_fault+0x7a/0xad
[  352.952928]  ? lock_release+0xa00/0xa00
[  352.956901]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.962350]  ? print_usage_bug+0xc0/0xc0
[  352.966405]  ? print_usage_bug+0xc0/0xc0
[  352.970474]  ? down_read+0x8d/0x120
[  352.974095]  ? ext4_filemap_fault+0x7a/0xad
[  352.978411]  ? __down_interruptible+0x700/0x700
[  352.983082]  ext4_filemap_fault+0x82/0xad
[  352.987227]  __do_fault+0x100/0x6b0
[  352.990862]  ? pmd_devmap_trans_unstable+0x220/0x220
[  352.995966]  ? mark_held_locks+0x130/0x130
[  353.000202]  ? mark_held_locks+0x130/0x130
[  353.004431]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  353.009969]  ? rcu_pm_notify+0xc0/0xc0
[  353.013858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.019395]  __handle_mm_fault+0x3ea0/0x5be0
[  353.023804]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  353.028641]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.033133]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.037711]  ? trace_hardirqs_on+0xbd/0x310
[  353.042025]  ? kasan_check_read+0x11/0x20
[  353.046166]  ? __set_current_blocked+0xdf/0x120
[  353.050830]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.055956]  ? zap_class+0x640/0x640
[  353.059664]  ? zap_class+0x640/0x640
[  353.063383]  ? find_held_lock+0x36/0x1c0
[  353.067451]  ? handle_mm_fault+0x42a/0xc70
[  353.071687]  ? lock_downgrade+0x900/0x900
[  353.075830]  ? check_preemption_disabled+0x48/0x280
[  353.080843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.085769]  ? kasan_check_read+0x11/0x20
[  353.089914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.095184]  ? rcu_softirq_qs+0x20/0x20
[  353.099153]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.104259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.109795]  ? check_preemption_disabled+0x48/0x280
[  353.114812]  handle_mm_fault+0x54f/0xc70
[  353.118873]  ? __handle_mm_fault+0x5be0/0x5be0
[  353.123468]  ? find_vma+0x34/0x190
[  353.127008]  __do_page_fault+0x5e8/0xe60
[  353.131064]  ? exit_to_usermode_loop+0x1f4/0x380
[  353.135834]  do_page_fault+0xf2/0x7e0
[  353.139629]  ? vmalloc_sync_all+0x30/0x30
[  353.143772]  ? error_entry+0x70/0xd0
[  353.147484]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.152493]  ? trace_hardirqs_on_caller+0xc0/0x310
[  353.157421]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.162344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.167185]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.172193]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.177642]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.182651]  ? page_fault+0x8/0x30
[  353.186186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.191026]  ? page_fault+0x8/0x30
[  353.194560]  page_fault+0x1e/0x30
[  353.198005] RIP: 0033:0x45db60
[  353.201207] Code: Bad RIP value.
[  353.204978] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  353.210332] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  353.217598] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  353.224901] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  353.232161] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  353.239437] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  353.246719] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  353.246724] warn_alloc_show_mem: 1 callbacks suppressed
[  353.246729] Mem-Info:
[  353.253994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.259356] active_anon:48041 inactive_anon:196 isolated_anon:0
[  353.259356]  active_file:13 inactive_file:15 isolated_file:0
[  353.259356]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.259356]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  353.259356]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  353.259356]  free:13795 free_pcp:455 free_cma:0
[  353.261723] Call Trace:
[  353.271115] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.304038]  <IRQ>
[  353.306603] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  353.334005]  dump_stack+0x244/0x39d
[  353.336126] lowmem_reserve[]: 0 2818 6321 6321
[  353.362233]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.365841] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  353.370875]  warn_alloc.cold.116+0xb7/0x1bd
[  353.376020] lowmem_reserve[]: 0 0 3503 3503
[  353.403777]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.408065] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  353.412377]  ? lock_downgrade+0x900/0x900
[  353.417187] lowmem_reserve[]: 0 0 0 0
[  353.446166]  ? trace_hardirqs_off+0xb8/0x310
[  353.450287] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  353.454077]  ? trace_hardirqs_off+0xb8/0x310
[  353.458456] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  353.471972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  353.476342] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  353.492573]  ? warn_alloc+0x120/0x120
[  353.497373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  353.512528]  ? warn_alloc+0x120/0x120
[  353.516306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  353.525121]  ? warn_alloc+0x120/0x120
[  353.528894] 272 total pagecache pages
[  353.537455]  ? print_usage_bug+0xc0/0xc0
[  353.541244] 0 pages in swap cache
[  353.545027]  ? print_usage_bug+0xc0/0xc0
[  353.549063] Swap cache stats: add 0, delete 0, find 0/0
[  353.552499]  ? ktime_get+0x2c1/0x400
[  353.556530] Free swap  = 0kB
[  353.561880]  ? check_preemption_disabled+0x48/0x280
[  353.565573] Total swap = 0kB
[  353.565581] 1965979 pages RAM
[  353.568598]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  353.573582] 0 pages HighMem/MovableOnly
[  353.576586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.579655] 342853 pages reserved
[  353.579662] 0 pages cma reserved
[  353.584140]  ? should_fail+0x22d/0xd01
[  353.588142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  353.593603]  ? kasan_check_read+0x11/0x20
[  353.593636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.593650]  ? __lock_acquire+0x62f/0x4c20
[  353.593668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.597139] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.600444]  ? should_fail+0x22d/0xd01
[  353.604303] syz-fuzzer cpuset=/ mems_allowed=0
[  353.610784]  ? print_usage_bug+0xc0/0xc0
[  353.651985]  ? mark_held_locks+0x130/0x130
[  353.656227]  ? mark_held_locks+0x130/0x130
[  353.660460]  ? check_preemption_disabled+0x48/0x280
[  353.665478]  ? zap_class+0x640/0x640
[  353.669187]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  353.673943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.679478]  ? check_preemption_disabled+0x48/0x280
[  353.684497]  ? __lock_is_held+0xb5/0x140
[  353.688557]  __alloc_pages_nodemask+0xa80/0xde0
[  353.693228]  ? zap_class+0x640/0x640
[  353.696942]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.701958]  ? find_held_lock+0x36/0x1c0
[  353.706019]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.710681]  ? lock_downgrade+0x900/0x900
[  353.714825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.720361]  cache_grow_begin+0xa5/0x8c0
[  353.724417]  ? do_raw_spin_unlock+0xa7/0x330
[  353.728825]  fallback_alloc+0x204/0x2e0
[  353.732796]  ____cache_alloc_node+0x1c7/0x1e0
[  353.737291]  kmem_cache_alloc_node+0xe3/0x730
[  353.741780]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.746360]  __alloc_skb+0x119/0x770
[  353.750062]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  353.755422]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.759829]  ? vprintk_default+0x28/0x30
[  353.763887]  ? vprintk_func+0x85/0x181
[  353.767768]  ? printk+0xa7/0xcf
[  353.771038]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  353.775818]  new_skb+0x26/0x1c0
[  353.779087]  aoecmd_cfg+0x279/0x7f0
[  353.782711]  ? find_held_lock+0x36/0x1c0
[  353.786770]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  353.791090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.796630]  ? __lock_is_held+0xb5/0x140
[  353.800694]  discover_timer+0x50/0x60
[  353.804489]  call_timer_fn+0x272/0x920
[  353.808389]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.813226]  ? process_timeout+0x40/0x40
[  353.817291]  ? __run_timers+0x7da/0xc70
[  353.821275]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.825761]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.830253]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.835092]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.839686]  ? trace_hardirqs_on+0xbd/0x310
[  353.844022]  ? kasan_check_read+0x11/0x20
[  353.848164]  ? __run_timers+0x7da/0xc70
[  353.852140]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.857252]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.862088]  __run_timers+0x7e5/0xc70
[  353.865888]  ? timer_fixup_init+0x70/0x70
[  353.870030]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.875056]  ? zap_class+0x640/0x640
[  353.878783]  ? enqueue_hrtimer+0x1a5/0x560
[  353.883016]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  353.888214]  ? find_held_lock+0x36/0x1c0
[  353.892278]  ? zap_class+0x640/0x640
[  353.895999]  ? pvclock_read_flags+0x160/0x160
[  353.900489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.906021]  ? check_preemption_disabled+0x48/0x280
[  353.911039]  ? __lock_is_held+0xb5/0x140
[  353.915094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.920643]  ? check_preemption_disabled+0x48/0x280
[  353.925659]  run_timer_softirq+0x52/0xb0
[  353.929712]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.934731]  __do_softirq+0x308/0xb7e
[  353.938533]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  353.943024]  ? lock_downgrade+0x900/0x900
[  353.947184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.952301]  ? pvclock_read_flags+0x160/0x160
[  353.956796]  ? lapic_next_event+0x5a/0x90
[  353.960940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.966476]  ? kvm_clock_read+0x18/0x30
[  353.970448]  ? kvm_sched_clock_read+0x9/0x20
[  353.974856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.980391]  ? check_preemption_disabled+0x48/0x280
[  353.985411]  irq_exit+0x17f/0x1c0
[  353.988861]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.993701]  ? smp_reschedule_interrupt+0x109/0x650
[  353.998724]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.004600]  ? interrupt_entry+0xb5/0xc0
[  354.008657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.013665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.018677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.023515]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.028523]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.033540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.038380]  apic_timer_interrupt+0xf/0x20
[  354.042602]  </IRQ>
[  354.044835] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  354.049759] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  354.070139] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.077866] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.085127] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  354.092387] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  354.099649] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  354.106910] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  354.114216]  skb_clone+0x1bb/0x500
[  354.117752]  ? finish_task_switch+0x2f4/0x910
[  354.122242]  ? skb_split+0x11e0/0x11e0
[  354.126128]  ? preempt_notifier_register+0x200/0x200
[  354.131223]  ? __switch_to_asm+0x34/0x70
[  354.135281]  ? __switch_to_asm+0x34/0x70
[  354.139332]  ? __switch_to_asm+0x40/0x70
[  354.143384]  ? __switch_to_asm+0x34/0x70
[  354.147436]  ? __switch_to_asm+0x40/0x70
[  354.151489]  ? __switch_to_asm+0x34/0x70
[  354.155545]  ? __switch_to_asm+0x40/0x70
[  354.159600]  ? __switch_to_asm+0x34/0x70
[  354.163656]  ? __switch_to_asm+0x34/0x70
[  354.167713]  ? __switch_to_asm+0x40/0x70
[  354.171765]  ? __switch_to_asm+0x34/0x70
[  354.175826]  bpf_clone_redirect+0xb9/0x490
[  354.180073]  ? __schedule+0x8d7/0x21d0
[  354.184220]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  354.189237]  ? __sched_text_start+0x8/0x8
[  354.193379]  ? retint_kernel+0x2d/0x2d
[  354.197268]  ? find_held_lock+0x36/0x1c0
[  354.201339]  ? lock_acquire+0x1ed/0x520
[  354.205480]  ? bpf_test_run+0x3cb/0x780
[  354.209455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.214988]  ? check_preemption_disabled+0x48/0x280
[  354.220018]  ? kasan_check_read+0x11/0x20
[  354.224166]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.229454]  ? rcu_softirq_qs+0x20/0x20
[  354.233424]  ? preempt_schedule+0x4d/0x60
[  354.237566]  ? ___preempt_schedule+0x16/0x18
[  354.241992]  ? bpf_test_run+0x25d/0x780
[  354.245970]  ? netlink_diag_dump+0x2a0/0x2a0
[  354.250376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.255905]  ? bpf_test_init.isra.10+0x70/0x100
[  354.260574]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  354.265332]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.270178]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  354.275710]  ? fput+0x130/0x1a0
[  354.278983]  ? __bpf_prog_get+0x9b/0x290
[  354.283389]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.288225]  ? bpf_prog_test_run+0x130/0x1a0
[  354.292645]  ? __x64_sys_bpf+0x3d8/0x520
[  354.296733]  ? bpf_prog_get+0x20/0x20
[  354.300542]  ? do_syscall_64+0x1b9/0x820
[  354.304594]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  354.309955]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.314880]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.319887]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  354.324900]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  354.331559]  ? __switch_to_asm+0x40/0x70
[  354.335611]  ? __switch_to_asm+0x34/0x70
[  354.339674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.344518]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  354.349897] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  354.349962] aoe: skb alloc failure
[  354.356820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.356825] Call Trace:
[  354.356831]  <IRQ>
[  354.356847]  dump_stack+0x244/0x39d
[  354.356869]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.360410] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.369828]  warn_alloc.cold.116+0xb7/0x1bd
[  354.372382] syz-executor4 cpuset=syz4 mems_allowed=0
[  354.374521]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.407981]  ? lock_downgrade+0x900/0x900
[  354.412145]  ? trace_hardirqs_off+0xb8/0x310
[  354.416554]  ? trace_hardirqs_off+0xb8/0x310
[  354.420962]  __alloc_pages_slowpath+0x26e8/0x2e10
[  354.425834]  ? warn_alloc+0x120/0x120
[  354.429632]  ? print_usage_bug+0xc0/0xc0
[  354.433689]  ? warn_alloc+0x120/0x120
[  354.437488]  ? warn_alloc+0x120/0x120
[  354.441285]  ? print_usage_bug+0xc0/0xc0
[  354.445343]  ? print_usage_bug+0xc0/0xc0
[  354.449399]  ? __lock_acquire+0x62f/0x4c20
[  354.453743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.459279]  ? should_fail+0x22d/0xd01
[  354.463181]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.468301]  ? __lock_acquire+0x62f/0x4c20
[  354.472534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.477655]  ? __lock_acquire+0x62f/0x4c20
[  354.482404]  ? should_fail+0x22d/0xd01
[  354.486283]  ? find_held_lock+0x36/0x1c0
[  354.490346]  ? mark_held_locks+0x130/0x130
[  354.494577]  ? mark_held_locks+0x130/0x130
[  354.498803]  ? zap_class+0x640/0x640
[  354.502513]  ? zap_class+0x640/0x640
[  354.506227]  ? print_usage_bug+0xc0/0xc0
[  354.510411]  ? do_raw_spin_unlock+0xa7/0x330
[  354.514817]  ? zap_class+0x640/0x640
[  354.518524]  ? print_usage_bug+0xc0/0xc0
[  354.522581]  ? wq_watchdog_touch+0x9c/0xfe
[  354.526812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.532346]  ? check_preemption_disabled+0x48/0x280
[  354.537366]  ? __lock_is_held+0xb5/0x140
[  354.541428]  __alloc_pages_nodemask+0xa80/0xde0
[  354.546093]  ? zap_class+0x640/0x640
[  354.549807]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  354.554829]  ? find_held_lock+0x36/0x1c0
[  354.558893]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.563560]  ? lock_downgrade+0x900/0x900
[  354.567709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.573244]  cache_grow_begin+0xa5/0x8c0
[  354.577324]  ? do_raw_spin_unlock+0xa7/0x330
[  354.581746]  fallback_alloc+0x204/0x2e0
[  354.585723]  ____cache_alloc_node+0x1c7/0x1e0
[  354.590229]  kmem_cache_alloc_node+0xe3/0x730
[  354.594722]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.598972]  __alloc_skb+0x119/0x770
[  354.602683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.607961]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.612365]  ? lock_downgrade+0x900/0x900
[  354.616518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.622049]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.627496]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.632936]  ? addrconf_rs_timer+0x690/0x690
[  354.637348]  ndisc_alloc_skb+0x144/0x340
[  354.641410]  ndisc_send_rs+0x331/0x6e0
[  354.645313]  addrconf_rs_timer+0x314/0x690
[  354.649566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.653805]  call_timer_fn+0x272/0x920
[  354.657684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.661911]  ? process_timeout+0x40/0x40
[  354.665975]  ? mark_held_locks+0xc7/0x130
[  354.670123]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.674611]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.679097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.683334]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.687927]  ? trace_hardirqs_on+0xbd/0x310
[  354.692240]  ? kasan_check_read+0x11/0x20
[  354.696381]  ? __run_timers+0x7da/0xc70
[  354.700351]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.705457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.709691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.713918]  __run_timers+0x7e5/0xc70
[  354.717719]  ? timer_fixup_init+0x70/0x70
[  354.721860]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.726870]  ? zap_class+0x640/0x640
[  354.730581]  ? print_usage_bug+0xc0/0xc0
[  354.734636]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.739824]  ? find_held_lock+0x36/0x1c0
[  354.743886]  ? zap_class+0x640/0x640
[  354.747601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.753218]  ? check_preemption_disabled+0x48/0x280
[  354.758237]  ? __lock_is_held+0xb5/0x140
[  354.762294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.767826]  ? check_preemption_disabled+0x48/0x280
[  354.772840]  run_timer_softirq+0x52/0xb0
[  354.776896]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.781909]  __do_softirq+0x308/0xb7e
[  354.785706]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.790194]  ? lock_downgrade+0x900/0x900
[  354.794344]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.799450]  ? pvclock_read_flags+0x160/0x160
[  354.803942]  ? lapic_next_event+0x5a/0x90
[  354.808082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.813623]  ? kvm_clock_read+0x18/0x30
[  354.817590]  ? kvm_sched_clock_read+0x9/0x20
[  354.821995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.827525]  ? check_preemption_disabled+0x48/0x280
[  354.832544]  irq_exit+0x17f/0x1c0
[  354.835991]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.840848]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.846814]  ? interrupt_entry+0xb5/0xc0
[  354.850870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.855878]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.860883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.865728]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.870739]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.875747]  ? task_prio+0x50/0x50
[  354.879283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.884826]  ? check_preemption_disabled+0x48/0x280
[  354.889835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.894680]  apic_timer_interrupt+0xf/0x20
[  354.898915]  </IRQ>
[  354.901159] RIP: 0010:console_unlock+0x102f/0x1190
[  354.906084] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  354.924984] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  354.932684] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  354.939948] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  354.947225] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  354.954491] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  354.961766] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  354.969048]  ? netconsole_netdev_event+0x280/0x280
[  354.973997]  ? console_unlock+0x1026/0x1190
[  354.978325]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  354.983416]  ? vprintk_emit+0x846/0x990
[  354.987385]  ? lock_release+0xa00/0xa00
[  354.991350]  ? trace_hardirqs_on+0x60/0x310
[  354.995662]  ? vprintk_default+0x28/0x30
[  354.999717]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.004813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.010344]  vprintk_emit+0x391/0x990
[  355.014142]  ? wake_up_klogd+0x180/0x180
[  355.018200]  ? find_held_lock+0x1/0x1c0
[  355.022174]  ? mark_held_locks+0xc7/0x130
[  355.026339]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.030822]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.035321]  vprintk_default+0x28/0x30
[  355.039211]  vprintk_func+0x7e/0x181
[  355.042921]  printk+0xa7/0xcf
[  355.046019]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  355.050769]  ? _raw_spin_unlock_irq+0x60/0x80
[  355.055270]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  355.060643]  dump_header+0x7cc/0xf72
[  355.064971]  ? pagefault_out_of_memory+0x197/0x197
[  355.069903]  ? __lock_acquire+0x62f/0x4c20
[  355.074143]  ? percpu_ref_get_many+0x240/0x240
[  355.078725]  ? print_usage_bug+0xc0/0xc0
[  355.082785]  ? zap_class+0x640/0x640
[  355.086510]  ? print_usage_bug+0xc0/0xc0
[  355.090567]  ? zap_class+0x640/0x640
[  355.094294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.099829]  ? find_held_lock+0x36/0x1c0
[  355.103892]  ? mark_held_locks+0xc7/0x130
[  355.108038]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.113136]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.118234]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.122813]  ? trace_hardirqs_on+0xbd/0x310
[  355.127150]  ? kasan_check_read+0x11/0x20
[  355.131294]  ? ___ratelimit+0x3b4/0x672
[  355.135267]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.140378]  ? trace_hardirqs_on+0x310/0x310
[  355.144780]  ? lock_downgrade+0x900/0x900
[  355.148930]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.154043]  ? ___ratelimit+0x3b9/0x672
[  355.158012]  ? idr_get_free+0xf70/0xf70
[  355.161981]  ? find_held_lock+0x36/0x1c0
[  355.166053]  oom_kill_process.cold.27+0x10/0x903
[  355.170807]  ? zap_class+0x640/0x640
[  355.174518]  ? check_preemption_disabled+0x48/0x280
[  355.179529]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.184451]  ? kasan_check_read+0x11/0x20
[  355.188592]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.193866]  ? oom_evaluate_task+0x540/0x540
[  355.198274]  ? find_held_lock+0x36/0x1c0
[  355.202351]  ? out_of_memory+0x974/0x1430
[  355.206504]  ? lock_downgrade+0x900/0x900
[  355.210649]  ? check_preemption_disabled+0x48/0x280
[  355.215659]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.220582]  ? kasan_check_read+0x11/0x20
[  355.224723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.229994]  ? rcu_softirq_qs+0x20/0x20
[  355.233966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.239496]  ? oom_evaluate_task+0x302/0x540
[  355.243902]  out_of_memory+0xa84/0x1430
[  355.247878]  ? oom_killer_disable+0x3a0/0x3a0
[  355.252372]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  355.257297]  ? __ww_mutex_check_waiters+0x160/0x160
[  355.262332]  __alloc_pages_slowpath+0x2354/0x2e10
[  355.267194]  ? warn_alloc+0x120/0x120
[  355.270986]  ? mark_held_locks+0x130/0x130
[  355.275220]  ? find_get_entry+0xaae/0x1120
[  355.279459]  ? filemap_map_pages+0x1a20/0x1a20
[  355.284039]  ? zap_class+0x640/0x640
[  355.287757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.293288]  ? check_preemption_disabled+0x48/0x280
[  355.298298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.303844]  ? should_fail+0x22d/0xd01
[  355.307727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.312824]  ? zap_class+0x640/0x640
[  355.316552]  ? __lock_is_held+0xb5/0x140
[  355.320632]  ? mark_held_locks+0x130/0x130
[  355.324863]  ? lock_release+0xa00/0xa00
[  355.328832]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.334273]  ? xa_load+0x2ba/0x460
[  355.337816]  ? lock_downgrade+0x900/0x900
[  355.341962]  ? __might_sleep+0x95/0x190
[  355.345930]  __alloc_pages_nodemask+0xa80/0xde0
[  355.350602]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.355616]  ? __page_cache_alloc+0x191/0x5c0
[  355.360112]  ? xa_load+0x2e1/0x460
[  355.363649]  ? xa_clear_mark+0x40/0x40
[  355.367546]  ? zap_class+0x640/0x640
[  355.371259]  ? zap_class+0x640/0x640
[  355.374968]  ? zap_class+0x640/0x640
[  355.378677]  ? __do_page_cache_readahead+0x663/0x810
[  355.384483]  ? find_held_lock+0x36/0x1c0
[  355.388558]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  355.394099]  alloc_pages_current+0x173/0x350
[  355.398525]  __page_cache_alloc+0x38c/0x5c0
[  355.402839]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.407760]  ? kasan_check_read+0x11/0x20
[  355.411902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.417183]  ? generic_perform_write+0x6a0/0x6a0
[  355.421938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.427471]  ? check_preemption_disabled+0x48/0x280
[  355.432489]  filemap_fault+0x1595/0x25f0
[  355.436554]  ? __lock_page_or_retry+0xa00/0xa00
[  355.441218]  ? mark_held_locks+0x130/0x130
[  355.445458]  ? filemap_map_pages+0xd6b/0x1a20
[  355.449950]  ? lock_downgrade+0x900/0x900
[  355.454095]  ? check_preemption_disabled+0x48/0x280
[  355.459119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.464039]  ? kasan_check_read+0x11/0x20
[  355.468190]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.473462]  ? rcu_softirq_qs+0x20/0x20
[  355.477442]  ? filemap_map_pages+0xd92/0x1a20
[  355.481939]  ? print_usage_bug+0xc0/0xc0
[  355.486000]  ? find_get_entries_tag+0x1400/0x1400
[  355.490836]  ? __kasan_slab_free+0x102/0x150
[  355.495236]  ? kasan_slab_free+0xe/0x10
[  355.499205]  ? kmem_cache_free+0x83/0x290
[  355.503346]  ? __sigqueue_free.part.29+0x74/0x90
[  355.508120]  ? lock_acquire+0x1ed/0x520
[  355.512091]  ? ext4_filemap_fault+0x7a/0xad
[  355.516418]  ? lock_release+0xa00/0xa00
[  355.520386]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.525829]  ? print_usage_bug+0xc0/0xc0
[  355.529886]  ? print_usage_bug+0xc0/0xc0
[  355.533953]  ? down_read+0x8d/0x120
[  355.537574]  ? ext4_filemap_fault+0x7a/0xad
[  355.541893]  ? __down_interruptible+0x700/0x700
[  355.546568]  ext4_filemap_fault+0x82/0xad
[  355.550711]  __do_fault+0x100/0x6b0
[  355.554336]  ? pmd_devmap_trans_unstable+0x220/0x220
[  355.559436]  ? mark_held_locks+0x130/0x130
[  355.563667]  ? mark_held_locks+0x130/0x130
[  355.567895]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  355.573432]  ? rcu_pm_notify+0xc0/0xc0
[  355.577325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.582864]  __handle_mm_fault+0x3ea0/0x5be0
[  355.587275]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  355.592110]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.596598]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.601176]  ? trace_hardirqs_on+0xbd/0x310
[  355.605495]  ? kasan_check_read+0x11/0x20
[  355.609639]  ? __set_current_blocked+0xdf/0x120
[  355.614302]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.619411]  ? zap_class+0x640/0x640
[  355.623118]  ? zap_class+0x640/0x640
[  355.626835]  ? find_held_lock+0x36/0x1c0
[  355.630899]  ? handle_mm_fault+0x42a/0xc70
[  355.635127]  ? lock_downgrade+0x900/0x900
[  355.639270]  ? check_preemption_disabled+0x48/0x280
[  355.644281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.649206]  ? kasan_check_read+0x11/0x20
[  355.653345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.658615]  ? rcu_softirq_qs+0x20/0x20
[  355.662581]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.667683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.673214]  ? check_preemption_disabled+0x48/0x280
[  355.678230]  handle_mm_fault+0x54f/0xc70
[  355.682288]  ? __handle_mm_fault+0x5be0/0x5be0
[  355.686870]  ? find_vma+0x34/0x190
[  355.690411]  __do_page_fault+0x5e8/0xe60
[  355.694474]  ? exit_to_usermode_loop+0x1f4/0x380
[  355.699235]  do_page_fault+0xf2/0x7e0
[  355.703030]  ? vmalloc_sync_all+0x30/0x30
[  355.707177]  ? error_entry+0x70/0xd0
[  355.710878]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.715905]  ? trace_hardirqs_on_caller+0xc0/0x310
[  355.720843]  ? syscall_return_slowpath+0x5e0/0x5e0
[  355.725766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.730610]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.735729]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.741178]  ? prepare_exit_to_usermode+0x291/0x3b0
[  355.746199]  ? page_fault+0x8/0x30
[  355.749733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.754570]  ? page_fault+0x8/0x30
[  355.758108]  page_fault+0x1e/0x30
[  355.761555] RIP: 0033:0x45db60
[  355.764753] Code: Bad RIP value.
[  355.768110] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  355.773468] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  355.780728] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  355.787990] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  355.795251] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  355.802516] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  355.809798] warn_alloc_show_mem: 1 callbacks suppressed
[  355.809807] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  355.809809] Mem-Info:
[  355.809840] active_anon:48041 inactive_anon:196 isolated_anon:0
[  355.809840]  active_file:13 inactive_file:15 isolated_file:0
[  355.809840]  unevictable:0 dirty:0 writeback:0 unstable:0
[  355.809840]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  355.809840]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  355.809840]  free:13795 free_pcp:455 free_cma:0
[  355.815166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.815176] Call Trace:
[  355.822452] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  355.824840]  <IRQ>
[  355.857694] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  355.867050]  dump_stack+0x244/0x39d
[  355.869604] lowmem_reserve[]: 0 2818 6321 6321
[  355.897014]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.899141] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  355.925345]  warn_alloc.cold.116+0xb7/0x1bd
[  355.928930] lowmem_reserve[]: 0 0 3503 3503
[  355.933508]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.938667] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  355.966416]  ? lock_downgrade+0x900/0x900
[  355.970706] lowmem_reserve[]: 0 0 0 0
[  355.975026]  ? trace_hardirqs_off+0xb8/0x310
[  355.979835] 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
[  356.009149]  ? trace_hardirqs_off+0xb8/0x310
[  356.013266] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  356.017063]  __alloc_pages_slowpath+0x26e8/0x2e10
[  356.021441] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  356.034989]  ? warn_alloc+0x120/0x120
[  356.039357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  356.055563]  ? warn_alloc+0x120/0x120
[  356.060374] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  356.075529]  ? __lock_acquire+0x62f/0x4c20
[  356.079299] 272 total pagecache pages
[  356.088120]  ? warn_alloc+0x120/0x120
[  356.091902] 0 pages in swap cache
[  356.100473]  ? print_usage_bug+0xc0/0xc0
[  356.104683] Swap cache stats: add 0, delete 0, find 0/0
[  356.108467]  ? print_usage_bug+0xc0/0xc0
[  356.112234] Free swap  = 0kB
[  356.112240] Total swap = 0kB
[  356.115681]  ? mark_held_locks+0x130/0x130
[  356.119720] 1965979 pages RAM
[  356.125076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.129105] 0 pages HighMem/MovableOnly
[  356.132112]  ? should_fail+0x22d/0xd01
[  356.135113] 342853 pages reserved
[  356.139333]  ? zap_class+0x640/0x640
[  356.142409] 0 pages cma reserved
[  356.147935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.151930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  356.155752]  ? __lock_acquire+0x62f/0x4c20
[  356.155769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.155783]  ? should_fail+0x22d/0xd01
[  356.159260] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.162916]  ? mark_held_locks+0x130/0x130
[  356.166248] syz-fuzzer cpuset=/ mems_allowed=0
[  356.171340]  ? mark_held_locks+0x130/0x130
[  356.214485]  ? lock_downgrade+0x900/0x900
[  356.218629]  ? zap_class+0x640/0x640
[  356.222339]  ? zap_class+0x640/0x640
[  356.226048]  ? zap_class+0x640/0x640
[  356.229755]  ? do_raw_spin_unlock+0xa7/0x330
[  356.234159]  ? trace_hardirqs_on+0x310/0x310
[  356.238567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.244103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.249638]  ? check_preemption_disabled+0x48/0x280
[  356.254661]  ? __lock_is_held+0xb5/0x140
[  356.258726]  __alloc_pages_nodemask+0xa80/0xde0
[  356.263409]  ? zap_class+0x640/0x640
[  356.267120]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.272141]  ? find_held_lock+0x36/0x1c0
[  356.276206]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.280869]  ? lock_downgrade+0x900/0x900
[  356.285030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.290566]  cache_grow_begin+0xa5/0x8c0
[  356.294621]  ? do_raw_spin_unlock+0xa7/0x330
[  356.299029]  fallback_alloc+0x204/0x2e0
[  356.303010]  ____cache_alloc_node+0x1c7/0x1e0
[  356.307505]  kmem_cache_alloc_node+0xe3/0x730
[  356.312006]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.316591]  __alloc_skb+0x119/0x770
[  356.320297]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  356.325661]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.330070]  ? vprintk_default+0x28/0x30
[  356.334128]  ? vprintk_func+0x85/0x181
[  356.338015]  ? printk+0xa7/0xcf
[  356.341293]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  356.346069]  new_skb+0x26/0x1c0
[  356.349347]  aoecmd_cfg+0x279/0x7f0
[  356.352974]  ? find_held_lock+0x36/0x1c0
[  356.357057]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  356.361395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.366938]  ? __lock_is_held+0xb5/0x140
[  356.371515]  discover_timer+0x50/0x60
[  356.375318]  call_timer_fn+0x272/0x920
[  356.379201]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.384040]  ? process_timeout+0x40/0x40
[  356.388104]  ? __run_timers+0x7da/0xc70
[  356.392080]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.396568]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.401056]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.405897]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.410477]  ? trace_hardirqs_on+0xbd/0x310
[  356.414794]  ? kasan_check_read+0x11/0x20
[  356.418937]  ? __run_timers+0x7da/0xc70
[  356.422907]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.428018]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.432855]  __run_timers+0x7e5/0xc70
[  356.436674]  ? timer_fixup_init+0x70/0x70
[  356.440824]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  356.445835]  ? zap_class+0x640/0x640
[  356.449553]  ? enqueue_hrtimer+0x1a5/0x560
[  356.453793]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  356.458996]  ? find_held_lock+0x36/0x1c0
[  356.463066]  ? zap_class+0x640/0x640
[  356.466779]  ? pvclock_read_flags+0x160/0x160
[  356.471272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.476808]  ? check_preemption_disabled+0x48/0x280
[  356.481827]  ? __lock_is_held+0xb5/0x140
[  356.485885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.491421]  ? check_preemption_disabled+0x48/0x280
[  356.496438]  run_timer_softirq+0x52/0xb0
[  356.500495]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.505510]  __do_softirq+0x308/0xb7e
[  356.509313]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  356.513801]  ? lock_downgrade+0x900/0x900
[  356.517954]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.523062]  ? pvclock_read_flags+0x160/0x160
[  356.527552]  ? lapic_next_event+0x5a/0x90
[  356.531700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.537235]  ? kvm_clock_read+0x18/0x30
[  356.541206]  ? kvm_sched_clock_read+0x9/0x20
[  356.545615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.551152]  ? check_preemption_disabled+0x48/0x280
[  356.556170]  irq_exit+0x17f/0x1c0
[  356.559619]  smp_apic_timer_interrupt+0x1cb/0x760
[  356.564456]  ? smp_reschedule_interrupt+0x109/0x650
[  356.569464]  ? smp_call_function_single_interrupt+0x650/0x650
[  356.575341]  ? interrupt_entry+0xb5/0xc0
[  356.579399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.584425]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.589438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.594275]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.599285]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.604304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.609151]  apic_timer_interrupt+0xf/0x20
[  356.613375]  </IRQ>
[  356.615607] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  356.620536] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  356.639428] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  356.647131] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  356.654393] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  356.661656] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  356.668931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  356.676199] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  356.683493]  skb_clone+0x1bb/0x500
[  356.687034]  ? finish_task_switch+0x2f4/0x910
[  356.691531]  ? skb_split+0x11e0/0x11e0
[  356.695418]  ? preempt_notifier_register+0x200/0x200
[  356.700519]  ? __switch_to_asm+0x34/0x70
[  356.704574]  ? __switch_to_asm+0x34/0x70
[  356.708626]  ? __switch_to_asm+0x40/0x70
[  356.712688]  ? __switch_to_asm+0x34/0x70
[  356.716739]  ? __switch_to_asm+0x40/0x70
[  356.720789]  ? __switch_to_asm+0x34/0x70
[  356.724845]  ? __switch_to_asm+0x40/0x70
[  356.728899]  ? __switch_to_asm+0x34/0x70
[  356.732959]  ? __switch_to_asm+0x34/0x70
[  356.737025]  ? __switch_to_asm+0x40/0x70
[  356.741079]  ? __switch_to_asm+0x34/0x70
[  356.745140]  bpf_clone_redirect+0xb9/0x490
[  356.749368]  ? __schedule+0x8d7/0x21d0
[  356.753254]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  356.758265]  ? __sched_text_start+0x8/0x8
[  356.762409]  ? retint_kernel+0x2d/0x2d
[  356.766301]  ? find_held_lock+0x36/0x1c0
[  356.770363]  ? lock_acquire+0x1ed/0x520
[  356.774332]  ? bpf_test_run+0x3cb/0x780
[  356.778305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.784101]  ? check_preemption_disabled+0x48/0x280
[  356.789120]  ? kasan_check_read+0x11/0x20
[  356.793262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.798532]  ? rcu_softirq_qs+0x20/0x20
[  356.802504]  ? preempt_schedule+0x4d/0x60
[  356.806646]  ? ___preempt_schedule+0x16/0x18
[  356.811053]  ? bpf_test_run+0x25d/0x780
[  356.815032]  ? netlink_diag_dump+0x2a0/0x2a0
[  356.819437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.824973]  ? bpf_test_init.isra.10+0x70/0x100
[  356.829659]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  356.834416]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.839253]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  356.844801]  ? fput+0x130/0x1a0
[  356.848080]  ? __bpf_prog_get+0x9b/0x290
[  356.852140]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.856976]  ? bpf_prog_test_run+0x130/0x1a0
[  356.861384]  ? __x64_sys_bpf+0x3d8/0x520
[  356.865872]  ? bpf_prog_get+0x20/0x20
[  356.869688]  ? do_syscall_64+0x1b9/0x820
[  356.873743]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.879105]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.884049]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.889077]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  356.894091]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  356.901097]  ? __switch_to_asm+0x40/0x70
[  356.905152]  ? __switch_to_asm+0x34/0x70
[  356.909213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.914055]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.919445] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  356.919512] aoe: skb alloc failure
[  356.926372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.926378] Call Trace:
[  356.926382]  <IRQ>
[  356.926399]  dump_stack+0x244/0x39d
[  356.926417]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.929962] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.939286]  warn_alloc.cold.116+0xb7/0x1bd
[  356.941834] syz-executor4 cpuset=syz4 mems_allowed=0
[  356.943979]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.977427]  ? lock_downgrade+0x900/0x900
[  356.981585]  ? trace_hardirqs_off+0xb8/0x310
[  356.986015]  ? trace_hardirqs_off+0xb8/0x310
[  356.990425]  __alloc_pages_slowpath+0x26e8/0x2e10
[  356.995285]  ? warn_alloc+0x120/0x120
[  356.999082]  ? print_usage_bug+0xc0/0xc0
[  357.003139]  ? warn_alloc+0x120/0x120
[  357.006946]  ? warn_alloc+0x120/0x120
[  357.010745]  ? print_usage_bug+0xc0/0xc0
[  357.014809]  ? print_usage_bug+0xc0/0xc0
[  357.018869]  ? __lock_acquire+0x62f/0x4c20
[  357.023102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.028644]  ? should_fail+0x22d/0xd01
[  357.032530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.037627]  ? __lock_acquire+0x62f/0x4c20
[  357.041858]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.046957]  ? __lock_acquire+0x62f/0x4c20
[  357.051203]  ? should_fail+0x22d/0xd01
[  357.055086]  ? find_held_lock+0x36/0x1c0
[  357.059151]  ? mark_held_locks+0x130/0x130
[  357.063397]  ? mark_held_locks+0x130/0x130
[  357.067621]  ? zap_class+0x640/0x640
[  357.071342]  ? zap_class+0x640/0x640
[  357.075052]  ? print_usage_bug+0xc0/0xc0
[  357.079107]  ? do_raw_spin_unlock+0xa7/0x330
[  357.083952]  ? zap_class+0x640/0x640
[  357.087679]  ? print_usage_bug+0xc0/0xc0
[  357.091751]  ? wq_watchdog_touch+0x9c/0xfe
[  357.096081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.101615]  ? check_preemption_disabled+0x48/0x280
[  357.106636]  ? __lock_is_held+0xb5/0x140
[  357.110695]  __alloc_pages_nodemask+0xa80/0xde0
[  357.115366]  ? zap_class+0x640/0x640
[  357.119089]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.124106]  ? find_held_lock+0x36/0x1c0
[  357.128170]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.132833]  ? lock_downgrade+0x900/0x900
[  357.136985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.142518]  cache_grow_begin+0xa5/0x8c0
[  357.146570]  ? do_raw_spin_unlock+0xa7/0x330
[  357.150982]  fallback_alloc+0x204/0x2e0
[  357.154970]  ____cache_alloc_node+0x1c7/0x1e0
[  357.159461]  kmem_cache_alloc_node+0xe3/0x730
[  357.163961]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.168203]  __alloc_skb+0x119/0x770
[  357.171909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.177190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.181596]  ? lock_downgrade+0x900/0x900
[  357.185748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.191280]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.196729]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.202660]  ? addrconf_rs_timer+0x690/0x690
[  357.207074]  ndisc_alloc_skb+0x144/0x340
[  357.211137]  ndisc_send_rs+0x331/0x6e0
[  357.215023]  addrconf_rs_timer+0x314/0x690
[  357.219261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.223503]  call_timer_fn+0x272/0x920
[  357.227387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.231615]  ? process_timeout+0x40/0x40
[  357.235681]  ? mark_held_locks+0xc7/0x130
[  357.239831]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.244318]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.248808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.253040]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.257619]  ? trace_hardirqs_on+0xbd/0x310
[  357.261938]  ? kasan_check_read+0x11/0x20
[  357.266082]  ? __run_timers+0x7da/0xc70
[  357.270055]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.275162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.279389]  __run_timers+0x7e5/0xc70
[  357.283190]  ? timer_fixup_init+0x70/0x70
[  357.287333]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.292364]  ? zap_class+0x640/0x640
[  357.296076]  ? print_usage_bug+0xc0/0xc0
[  357.300135]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.305323]  ? find_held_lock+0x36/0x1c0
[  357.309383]  ? zap_class+0x640/0x640
[  357.313099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.318630]  ? check_preemption_disabled+0x48/0x280
[  357.323649]  ? __lock_is_held+0xb5/0x140
[  357.327703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.333237]  ? check_preemption_disabled+0x48/0x280
[  357.338253]  run_timer_softirq+0x52/0xb0
[  357.342307]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.347321]  __do_softirq+0x308/0xb7e
[  357.351123]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.355611]  ? lock_downgrade+0x900/0x900
[  357.359760]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.364863]  ? pvclock_read_flags+0x160/0x160
[  357.369352]  ? lapic_next_event+0x5a/0x90
[  357.373496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.379037]  ? kvm_clock_read+0x18/0x30
[  357.383525]  ? kvm_sched_clock_read+0x9/0x20
[  357.387933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.393471]  ? check_preemption_disabled+0x48/0x280
[  357.398488]  irq_exit+0x17f/0x1c0
[  357.401944]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.406784]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.412665]  ? interrupt_entry+0xb5/0xc0
[  357.416723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.421733]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.426745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.431580]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.436590]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.441599]  ? task_prio+0x50/0x50
[  357.445134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.450667]  ? check_preemption_disabled+0x48/0x280
[  357.455687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.460530]  apic_timer_interrupt+0xf/0x20
[  357.464754]  </IRQ>
[  357.466985] RIP: 0010:console_unlock+0x102f/0x1190
[  357.471916] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  357.490830] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  357.498531] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  357.505791] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  357.513056] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  357.520319] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  357.527582] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  357.534854]  ? netconsole_netdev_event+0x280/0x280
[  357.539789]  ? console_unlock+0x1026/0x1190
[  357.544122]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  357.548781]  ? vprintk_emit+0x846/0x990
[  357.552752]  ? lock_release+0xa00/0xa00
[  357.556718]  ? trace_hardirqs_on+0x60/0x310
[  357.561031]  ? vprintk_default+0x28/0x30
[  357.565088]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.570191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.575728]  vprintk_emit+0x391/0x990
[  357.579547]  ? wake_up_klogd+0x180/0x180
[  357.583608]  ? find_held_lock+0x1/0x1c0
[  357.587588]  ? mark_held_locks+0xc7/0x130
[  357.591733]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.596219]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.600715]  vprintk_default+0x28/0x30
[  357.604598]  vprintk_func+0x7e/0x181
[  357.608307]  printk+0xa7/0xcf
[  357.611407]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  357.616158]  ? _raw_spin_unlock_irq+0x60/0x80
[  357.620663]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  357.625963]  dump_header+0x7cc/0xf72
[  357.629684]  ? pagefault_out_of_memory+0x197/0x197
[  357.634717]  ? __lock_acquire+0x62f/0x4c20
[  357.638951]  ? percpu_ref_get_many+0x240/0x240
[  357.643528]  ? print_usage_bug+0xc0/0xc0
[  357.647602]  ? zap_class+0x640/0x640
[  357.651311]  ? print_usage_bug+0xc0/0xc0
[  357.655368]  ? zap_class+0x640/0x640
[  357.659078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.664617]  ? find_held_lock+0x36/0x1c0
[  357.668681]  ? mark_held_locks+0xc7/0x130
[  357.672829]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.677932]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.683034]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.687611]  ? trace_hardirqs_on+0xbd/0x310
[  357.691928]  ? kasan_check_read+0x11/0x20
[  357.696068]  ? ___ratelimit+0x3b4/0x672
[  357.700038]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.705137]  ? trace_hardirqs_on+0x310/0x310
[  357.709539]  ? lock_downgrade+0x900/0x900
[  357.713681]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.718779]  ? ___ratelimit+0x3b9/0x672
[  357.722750]  ? idr_get_free+0xf70/0xf70
[  357.726720]  ? find_held_lock+0x36/0x1c0
[  357.730786]  oom_kill_process.cold.27+0x10/0x903
[  357.735535]  ? zap_class+0x640/0x640
[  357.739255]  ? check_preemption_disabled+0x48/0x280
[  357.744278]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.749206]  ? kasan_check_read+0x11/0x20
[  357.753347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.758617]  ? oom_evaluate_task+0x540/0x540
[  357.763020]  ? find_held_lock+0x36/0x1c0
[  357.767082]  ? out_of_memory+0x974/0x1430
[  357.771225]  ? lock_downgrade+0x900/0x900
[  357.775367]  ? check_preemption_disabled+0x48/0x280
[  357.780381]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.785304]  ? kasan_check_read+0x11/0x20
[  357.789447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.794721]  ? rcu_softirq_qs+0x20/0x20
[  357.798692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.804223]  ? oom_evaluate_task+0x302/0x540
[  357.808628]  out_of_memory+0xa84/0x1430
[  357.812603]  ? oom_killer_disable+0x3a0/0x3a0
[  357.817093]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  357.822036]  ? __ww_mutex_check_waiters+0x160/0x160
[  357.827061]  __alloc_pages_slowpath+0x2354/0x2e10
[  357.831936]  ? warn_alloc+0x120/0x120
[  357.835733]  ? mark_held_locks+0x130/0x130
[  357.839967]  ? find_get_entry+0xaae/0x1120
[  357.844206]  ? filemap_map_pages+0x1a20/0x1a20
[  357.848791]  ? zap_class+0x640/0x640
[  357.852505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.858038]  ? check_preemption_disabled+0x48/0x280
[  357.863065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.868594]  ? should_fail+0x22d/0xd01
[  357.872494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.877592]  ? zap_class+0x640/0x640
[  357.881319]  ? __lock_is_held+0xb5/0x140
[  357.885381]  ? mark_held_locks+0x130/0x130
[  357.889616]  ? lock_release+0xa00/0xa00
[  357.893596]  ? perf_trace_sched_process_exec+0x860/0x860
[  357.899045]  ? xa_load+0x2ba/0x460
[  357.902581]  ? lock_downgrade+0x900/0x900
[  357.906727]  ? __might_sleep+0x95/0x190
[  357.910698]  __alloc_pages_nodemask+0xa80/0xde0
[  357.915367]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.920390]  ? __page_cache_alloc+0x191/0x5c0
[  357.924882]  ? xa_load+0x2e1/0x460
[  357.928424]  ? xa_clear_mark+0x40/0x40
[  357.932310]  ? zap_class+0x640/0x640
[  357.936028]  ? zap_class+0x640/0x640
[  357.939738]  ? zap_class+0x640/0x640
[  357.943446]  ? __do_page_cache_readahead+0x663/0x810
[  357.948549]  ? find_held_lock+0x36/0x1c0
[  357.952609]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  357.958147]  alloc_pages_current+0x173/0x350
[  357.962553]  __page_cache_alloc+0x38c/0x5c0
[  357.966870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.971794]  ? kasan_check_read+0x11/0x20
[  357.975934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.981212]  ? generic_perform_write+0x6a0/0x6a0
[  357.985963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.991494]  ? check_preemption_disabled+0x48/0x280
[  357.996516]  filemap_fault+0x1595/0x25f0
[  358.000584]  ? __lock_page_or_retry+0xa00/0xa00
[  358.005248]  ? mark_held_locks+0x130/0x130
[  358.009487]  ? filemap_map_pages+0xd6b/0x1a20
[  358.013976]  ? lock_downgrade+0x900/0x900
[  358.018124]  ? check_preemption_disabled+0x48/0x280
[  358.023140]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.028066]  ? kasan_check_read+0x11/0x20
[  358.032208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.037481]  ? rcu_softirq_qs+0x20/0x20
[  358.041462]  ? filemap_map_pages+0xd92/0x1a20
[  358.045955]  ? print_usage_bug+0xc0/0xc0
[  358.050031]  ? find_get_entries_tag+0x1400/0x1400
[  358.054905]  ? __kasan_slab_free+0x102/0x150
[  358.059306]  ? kasan_slab_free+0xe/0x10
[  358.063274]  ? kmem_cache_free+0x83/0x290
[  358.067418]  ? __sigqueue_free.part.29+0x74/0x90
[  358.072188]  ? lock_acquire+0x1ed/0x520
[  358.076156]  ? ext4_filemap_fault+0x7a/0xad
[  358.080494]  ? lock_release+0xa00/0xa00
[  358.084464]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.089916]  ? print_usage_bug+0xc0/0xc0
[  358.093977]  ? print_usage_bug+0xc0/0xc0
[  358.098041]  ? down_read+0x8d/0x120
[  358.101671]  ? ext4_filemap_fault+0x7a/0xad
[  358.105991]  ? __down_interruptible+0x700/0x700
[  358.110661]  ext4_filemap_fault+0x82/0xad
[  358.114822]  __do_fault+0x100/0x6b0
[  358.118455]  ? pmd_devmap_trans_unstable+0x220/0x220
[  358.123554]  ? mark_held_locks+0x130/0x130
[  358.127799]  ? mark_held_locks+0x130/0x130
[  358.132031]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  358.137564]  ? rcu_pm_notify+0xc0/0xc0
[  358.141452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.147076]  __handle_mm_fault+0x3ea0/0x5be0
[  358.151486]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  358.156321]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.160813]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.165394]  ? trace_hardirqs_on+0xbd/0x310
[  358.169706]  ? kasan_check_read+0x11/0x20
[  358.173852]  ? __set_current_blocked+0xdf/0x120
[  358.178521]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.183629]  ? zap_class+0x640/0x640
[  358.187333]  ? zap_class+0x640/0x640
[  358.191049]  ? find_held_lock+0x36/0x1c0
[  358.195123]  ? handle_mm_fault+0x42a/0xc70
[  358.199352]  ? lock_downgrade+0x900/0x900
[  358.203700]  ? check_preemption_disabled+0x48/0x280
[  358.208720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.213645]  ? kasan_check_read+0x11/0x20
[  358.217786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.223059]  ? rcu_softirq_qs+0x20/0x20
[  358.227041]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.232141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.237675]  ? check_preemption_disabled+0x48/0x280
[  358.242710]  handle_mm_fault+0x54f/0xc70
[  358.246778]  ? __handle_mm_fault+0x5be0/0x5be0
[  358.251365]  ? find_vma+0x34/0x190
[  358.254907]  __do_page_fault+0x5e8/0xe60
[  358.258968]  ? exit_to_usermode_loop+0x1f4/0x380
[  358.263725]  do_page_fault+0xf2/0x7e0
[  358.267521]  ? vmalloc_sync_all+0x30/0x30
[  358.271665]  ? error_entry+0x70/0xd0
[  358.275373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.280384]  ? trace_hardirqs_on_caller+0xc0/0x310
[  358.285307]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.290229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.295083]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.300096]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.305545]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.310558]  ? page_fault+0x8/0x30
[  358.314098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.318939]  ? page_fault+0x8/0x30
[  358.322475]  page_fault+0x1e/0x30
[  358.325919] RIP: 0033:0x45db60
[  358.329120] Code: Bad RIP value.
[  358.332473] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  358.337833] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  358.345107] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  358.352372] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  358.359636] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  358.366902] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  358.374290] warn_alloc_show_mem: 1 callbacks suppressed
[  358.374300] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  358.374302] Mem-Info:
[  358.374332] active_anon:48041 inactive_anon:196 isolated_anon:0
[  358.374332]  active_file:13 inactive_file:15 isolated_file:0
[  358.374332]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.374332]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  358.374332]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  358.374332]  free:13795 free_pcp:455 free_cma:0
[  358.379667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.386936] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.389327] Call Trace:
[  358.422185] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  358.431521]  <IRQ>
[  358.458907] lowmem_reserve[]: 0 2818 6321 6321
[  358.461488]  dump_stack+0x244/0x39d
[  358.487675] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  358.489830]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.494378] lowmem_reserve[]: 0 0 3503 3503
[  358.498004]  warn_alloc.cold.116+0xb7/0x1bd
[  358.526158] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  358.531338]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.535629] lowmem_reserve[]: 0 0 0 0
[  358.539938]  ? lock_downgrade+0x900/0x900
[  358.568874] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  358.573711]  ? trace_hardirqs_off+0xb8/0x310
[  358.577475] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  358.581615]  ? trace_hardirqs_off+0xb8/0x310
[  358.595101] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  358.599507]  __alloc_pages_slowpath+0x26e8/0x2e10
[  358.615690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  358.620101]  ? warn_alloc+0x120/0x120
[  358.635229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  358.640051]  ? warn_alloc+0x120/0x120
[  358.648855] 272 total pagecache pages
[  358.652639]  ? __lock_acquire+0x62f/0x4c20
[  358.661192] 0 pages in swap cache
[  358.664969]  ? warn_alloc+0x120/0x120
[  358.668739] Swap cache stats: add 0, delete 0, find 0/0
[  358.672954]  ? print_usage_bug+0xc0/0xc0
[  358.676375] Free swap  = 0kB
[  358.680158]  ? print_usage_bug+0xc0/0xc0
[  358.685488] Total swap = 0kB
[  358.689532]  ? mark_held_locks+0x130/0x130
[  358.692522] 1965979 pages RAM
[  358.696568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.699558] 0 pages HighMem/MovableOnly
[  358.703779]  ? should_fail+0x22d/0xd01
[  358.706859] 342853 pages reserved
[  358.712376]  ? zap_class+0x640/0x640
[  358.716331] 0 pages cma reserved
[  358.720205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.723675] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.727322]  ? __lock_acquire+0x62f/0x4c20
[  358.730702] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.735762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.742220] syz-fuzzer cpuset=/ mems_allowed=0
[  358.746438]  ? should_fail+0x22d/0xd01
[  358.770158]  ? mark_held_locks+0x130/0x130
[  358.774392]  ? mark_held_locks+0x130/0x130
[  358.778621]  ? lock_downgrade+0x900/0x900
[  358.782778]  ? zap_class+0x640/0x640
[  358.786495]  ? zap_class+0x640/0x640
[  358.790236]  ? zap_class+0x640/0x640
[  358.793944]  ? do_raw_spin_unlock+0xa7/0x330
[  358.798354]  ? trace_hardirqs_on+0x310/0x310
[  358.802753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.808287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.813819]  ? check_preemption_disabled+0x48/0x280
[  358.818927]  ? __lock_is_held+0xb5/0x140
[  358.822991]  __alloc_pages_nodemask+0xa80/0xde0
[  358.827651]  ? zap_class+0x640/0x640
[  358.831364]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  358.836381]  ? find_held_lock+0x36/0x1c0
[  358.840444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.845109]  ? lock_downgrade+0x900/0x900
[  358.849260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.854815]  cache_grow_begin+0xa5/0x8c0
[  358.858867]  ? do_raw_spin_unlock+0xa7/0x330
[  358.863273]  fallback_alloc+0x204/0x2e0
[  358.867246]  ____cache_alloc_node+0x1c7/0x1e0
[  358.871740]  kmem_cache_alloc_node+0xe3/0x730
[  358.876228]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.880898]  __alloc_skb+0x119/0x770
[  358.884603]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  358.889966]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.894373]  ? vprintk_default+0x28/0x30
[  358.898431]  ? vprintk_func+0x85/0x181
[  358.902310]  ? printk+0xa7/0xcf
[  358.905587]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  358.910348]  new_skb+0x26/0x1c0
[  358.913625]  aoecmd_cfg+0x279/0x7f0
[  358.917250]  ? find_held_lock+0x36/0x1c0
[  358.921305]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  358.925634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.931177]  ? __lock_is_held+0xb5/0x140
[  358.935242]  discover_timer+0x50/0x60
[  358.939040]  call_timer_fn+0x272/0x920
[  358.942921]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  358.947759]  ? process_timeout+0x40/0x40
[  358.951826]  ? __run_timers+0x7da/0xc70
[  358.955800]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.960293]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.964793]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  358.969629]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.974207]  ? trace_hardirqs_on+0xbd/0x310
[  358.978522]  ? kasan_check_read+0x11/0x20
[  358.982665]  ? __run_timers+0x7da/0xc70
[  358.986632]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.991742]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  358.996593]  __run_timers+0x7e5/0xc70
[  359.000396]  ? timer_fixup_init+0x70/0x70
[  359.004543]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.009552]  ? zap_class+0x640/0x640
[  359.013263]  ? enqueue_hrtimer+0x1a5/0x560
[  359.017494]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.022687]  ? find_held_lock+0x36/0x1c0
[  359.026744]  ? zap_class+0x640/0x640
[  359.030457]  ? pvclock_read_flags+0x160/0x160
[  359.034946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.040478]  ? check_preemption_disabled+0x48/0x280
[  359.045499]  ? __lock_is_held+0xb5/0x140
[  359.049553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.055082]  ? check_preemption_disabled+0x48/0x280
[  359.060097]  run_timer_softirq+0x52/0xb0
[  359.064155]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.069165]  __do_softirq+0x308/0xb7e
[  359.072961]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.077446]  ? lock_downgrade+0x900/0x900
[  359.081592]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.086690]  ? pvclock_read_flags+0x160/0x160
[  359.091182]  ? lapic_next_event+0x5a/0x90
[  359.095327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.100863]  ? kvm_clock_read+0x18/0x30
[  359.104832]  ? kvm_sched_clock_read+0x9/0x20
[  359.109237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.114772]  ? check_preemption_disabled+0x48/0x280
[  359.119795]  irq_exit+0x17f/0x1c0
[  359.123248]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.128084]  ? smp_reschedule_interrupt+0x109/0x650
[  359.133098]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.138971]  ? interrupt_entry+0xb5/0xc0
[  359.143027]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.148043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.153056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.157893]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.162905]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.167924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.172778]  apic_timer_interrupt+0xf/0x20
[  359.176998]  </IRQ>
[  359.179229] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  359.184154] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  359.203136] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.210839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  359.218102] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  359.225365] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  359.232622] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  359.239884] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  359.247174]  skb_clone+0x1bb/0x500
[  359.250709]  ? finish_task_switch+0x2f4/0x910
[  359.255198]  ? skb_split+0x11e0/0x11e0
[  359.259080]  ? preempt_notifier_register+0x200/0x200
[  359.264172]  ? __switch_to_asm+0x34/0x70
[  359.268228]  ? __switch_to_asm+0x34/0x70
[  359.272277]  ? __switch_to_asm+0x40/0x70
[  359.276349]  ? __switch_to_asm+0x34/0x70
[  359.280405]  ? __switch_to_asm+0x40/0x70
[  359.284456]  ? __switch_to_asm+0x34/0x70
[  359.288506]  ? __switch_to_asm+0x40/0x70
[  359.292556]  ? __switch_to_asm+0x34/0x70
[  359.296609]  ? __switch_to_asm+0x34/0x70
[  359.300661]  ? __switch_to_asm+0x40/0x70
[  359.304711]  ? __switch_to_asm+0x34/0x70
[  359.308775]  bpf_clone_redirect+0xb9/0x490
[  359.313005]  ? __schedule+0x8d7/0x21d0
[  359.316976]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  359.321986]  ? __sched_text_start+0x8/0x8
[  359.326129]  ? retint_kernel+0x2d/0x2d
[  359.330019]  ? find_held_lock+0x36/0x1c0
[  359.334082]  ? lock_acquire+0x1ed/0x520
[  359.338052]  ? bpf_test_run+0x3cb/0x780
[  359.342019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.347551]  ? check_preemption_disabled+0x48/0x280
[  359.352562]  ? kasan_check_read+0x11/0x20
[  359.356702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.361974]  ? rcu_softirq_qs+0x20/0x20
[  359.365947]  ? preempt_schedule+0x4d/0x60
[  359.370091]  ? ___preempt_schedule+0x16/0x18
[  359.374502]  ? bpf_test_run+0x25d/0x780
[  359.378478]  ? netlink_diag_dump+0x2a0/0x2a0
[  359.382885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.388414]  ? bpf_test_init.isra.10+0x70/0x100
[  359.393081]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  359.397837]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.402671]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  359.408198]  ? fput+0x130/0x1a0
[  359.411469]  ? __bpf_prog_get+0x9b/0x290
[  359.415525]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.420361]  ? bpf_prog_test_run+0x130/0x1a0
[  359.424763]  ? __x64_sys_bpf+0x3d8/0x520
[  359.428815]  ? bpf_prog_get+0x20/0x20
[  359.432624]  ? do_syscall_64+0x1b9/0x820
[  359.436679]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  359.442038]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.446961]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.451971]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  359.456981]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  359.463642]  ? __switch_to_asm+0x40/0x70
[  359.467697]  ? __switch_to_asm+0x34/0x70
[  359.471763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.476607]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  359.481977] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  359.482032] aoe: skb alloc failure
[  359.488893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.488899] Call Trace:
[  359.488903]  <IRQ>
[  359.488918]  dump_stack+0x244/0x39d
[  359.488937]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.492472] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.501806]  warn_alloc.cold.116+0xb7/0x1bd
[  359.504354] syz-executor4 cpuset=syz4 mems_allowed=0
[  359.506495]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.539944]  ? lock_downgrade+0x900/0x900
[  359.544090]  ? trace_hardirqs_off+0xb8/0x310
[  359.548497]  ? trace_hardirqs_off+0xb8/0x310
[  359.552907]  __alloc_pages_slowpath+0x26e8/0x2e10
[  359.557778]  ? warn_alloc+0x120/0x120
[  359.561578]  ? print_usage_bug+0xc0/0xc0
[  359.565632]  ? warn_alloc+0x120/0x120
[  359.569431]  ? warn_alloc+0x120/0x120
[  359.573224]  ? print_usage_bug+0xc0/0xc0
[  359.577280]  ? print_usage_bug+0xc0/0xc0
[  359.581340]  ? __lock_acquire+0x62f/0x4c20
[  359.585573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.591100]  ? should_fail+0x22d/0xd01
[  359.594983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.600079]  ? __lock_acquire+0x62f/0x4c20
[  359.604312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.609405]  ? __lock_acquire+0x62f/0x4c20
[  359.613630]  ? should_fail+0x22d/0xd01
[  359.617513]  ? find_held_lock+0x36/0x1c0
[  359.621573]  ? mark_held_locks+0x130/0x130
[  359.625802]  ? mark_held_locks+0x130/0x130
[  359.630027]  ? zap_class+0x640/0x640
[  359.633745]  ? zap_class+0x640/0x640
[  359.637459]  ? print_usage_bug+0xc0/0xc0
[  359.641511]  ? do_raw_spin_unlock+0xa7/0x330
[  359.645911]  ? zap_class+0x640/0x640
[  359.649619]  ? print_usage_bug+0xc0/0xc0
[  359.653693]  ? wq_watchdog_touch+0x9c/0xfe
[  359.657949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.663478]  ? check_preemption_disabled+0x48/0x280
[  359.668498]  ? __lock_is_held+0xb5/0x140
[  359.672556]  __alloc_pages_nodemask+0xa80/0xde0
[  359.677221]  ? zap_class+0x640/0x640
[  359.680934]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.685950]  ? find_held_lock+0x36/0x1c0
[  359.690010]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.694674]  ? lock_downgrade+0x900/0x900
[  359.698820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.704355]  cache_grow_begin+0xa5/0x8c0
[  359.708411]  ? do_raw_spin_unlock+0xa7/0x330
[  359.712819]  fallback_alloc+0x204/0x2e0
[  359.716797]  ____cache_alloc_node+0x1c7/0x1e0
[  359.721290]  kmem_cache_alloc_node+0xe3/0x730
[  359.725793]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.730031]  __alloc_skb+0x119/0x770
[  359.733741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.739018]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.743418]  ? lock_downgrade+0x900/0x900
[  359.747565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.753181]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.758631]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.764080]  ? addrconf_rs_timer+0x690/0x690
[  359.768491]  ndisc_alloc_skb+0x144/0x340
[  359.772549]  ndisc_send_rs+0x331/0x6e0
[  359.776433]  addrconf_rs_timer+0x314/0x690
[  359.780669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.784909]  call_timer_fn+0x272/0x920
[  359.788788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.793016]  ? process_timeout+0x40/0x40
[  359.797088]  ? mark_held_locks+0xc7/0x130
[  359.801230]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.805721]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.810213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.814445]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.819019]  ? trace_hardirqs_on+0xbd/0x310
[  359.823334]  ? kasan_check_read+0x11/0x20
[  359.827472]  ? __run_timers+0x7da/0xc70
[  359.831441]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.836562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.840799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.845038]  __run_timers+0x7e5/0xc70
[  359.848841]  ? timer_fixup_init+0x70/0x70
[  359.852988]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.858024]  ? zap_class+0x640/0x640
[  359.861752]  ? print_usage_bug+0xc0/0xc0
[  359.865812]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.870999]  ? find_held_lock+0x36/0x1c0
[  359.875058]  ? zap_class+0x640/0x640
[  359.878775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.884305]  ? check_preemption_disabled+0x48/0x280
[  359.889347]  ? __lock_is_held+0xb5/0x140
[  359.893403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.898933]  ? check_preemption_disabled+0x48/0x280
[  359.903952]  run_timer_softirq+0x52/0xb0
[  359.908010]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.913020]  __do_softirq+0x308/0xb7e
[  359.916818]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.921309]  ? lock_downgrade+0x900/0x900
[  359.925453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.930555]  ? pvclock_read_flags+0x160/0x160
[  359.935047]  ? lapic_next_event+0x5a/0x90
[  359.939193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.944729]  ? kvm_clock_read+0x18/0x30
[  359.948712]  ? kvm_sched_clock_read+0x9/0x20
[  359.953117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.958648]  ? check_preemption_disabled+0x48/0x280
[  359.963666]  irq_exit+0x17f/0x1c0
[  359.967118]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.971954]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.977829]  ? interrupt_entry+0xb5/0xc0
[  359.981887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.986894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.991912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.996754]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.001766]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.006775]  ? task_prio+0x50/0x50
[  360.010309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.015850]  ? check_preemption_disabled+0x48/0x280
[  360.020868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.025719]  apic_timer_interrupt+0xf/0x20
[  360.029947]  </IRQ>
[  360.032177] RIP: 0010:console_unlock+0x102f/0x1190
[  360.037099] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  360.055989] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  360.063697] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  360.070963] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  360.078227] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  360.085486] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  360.092746] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  360.100014]  ? netconsole_netdev_event+0x280/0x280
[  360.104940]  ? console_unlock+0x1026/0x1190
[  360.109269]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  360.113930]  ? vprintk_emit+0x846/0x990
[  360.117901]  ? lock_release+0xa00/0xa00
[  360.121871]  ? trace_hardirqs_on+0x60/0x310
[  360.126185]  ? vprintk_default+0x28/0x30
[  360.130238]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.135341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.140880]  vprintk_emit+0x391/0x990
[  360.144688]  ? wake_up_klogd+0x180/0x180
[  360.148764]  ? find_held_lock+0x1/0x1c0
[  360.152758]  ? mark_held_locks+0xc7/0x130
[  360.156900]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.161390]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.165882]  vprintk_default+0x28/0x30
[  360.169761]  vprintk_func+0x7e/0x181
[  360.173467]  printk+0xa7/0xcf
[  360.176565]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  360.181315]  ? _raw_spin_unlock_irq+0x60/0x80
[  360.185813]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  360.191089]  dump_header+0x7cc/0xf72
[  360.194806]  ? pagefault_out_of_memory+0x197/0x197
[  360.199740]  ? __lock_acquire+0x62f/0x4c20
[  360.204441]  ? percpu_ref_get_many+0x240/0x240
[  360.209021]  ? print_usage_bug+0xc0/0xc0
[  360.213082]  ? zap_class+0x640/0x640
[  360.216790]  ? print_usage_bug+0xc0/0xc0
[  360.220845]  ? zap_class+0x640/0x640
[  360.224552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.230088]  ? find_held_lock+0x36/0x1c0
[  360.234149]  ? mark_held_locks+0xc7/0x130
[  360.238293]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.243388]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.248487]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.253066]  ? trace_hardirqs_on+0xbd/0x310
[  360.257382]  ? kasan_check_read+0x11/0x20
[  360.261524]  ? ___ratelimit+0x3b4/0x672
[  360.265493]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.270588]  ? trace_hardirqs_on+0x310/0x310
[  360.274991]  ? lock_downgrade+0x900/0x900
[  360.279140]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.284237]  ? ___ratelimit+0x3b9/0x672
[  360.288205]  ? idr_get_free+0xf70/0xf70
[  360.292174]  ? find_held_lock+0x36/0x1c0
[  360.296241]  oom_kill_process.cold.27+0x10/0x903
[  360.300991]  ? zap_class+0x640/0x640
[  360.304707]  ? check_preemption_disabled+0x48/0x280
[  360.309726]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.314646]  ? kasan_check_read+0x11/0x20
[  360.318792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.324063]  ? oom_evaluate_task+0x540/0x540
[  360.328466]  ? find_held_lock+0x36/0x1c0
[  360.332529]  ? out_of_memory+0x974/0x1430
[  360.336678]  ? lock_downgrade+0x900/0x900
[  360.340824]  ? check_preemption_disabled+0x48/0x280
[  360.345834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.350754]  ? kasan_check_read+0x11/0x20
[  360.354898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.360171]  ? rcu_softirq_qs+0x20/0x20
[  360.364145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.370716]  ? oom_evaluate_task+0x302/0x540
[  360.375123]  out_of_memory+0xa84/0x1430
[  360.379098]  ? oom_killer_disable+0x3a0/0x3a0
[  360.383588]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  360.388518]  ? __ww_mutex_check_waiters+0x160/0x160
[  360.393540]  __alloc_pages_slowpath+0x2354/0x2e10
[  360.398399]  ? warn_alloc+0x120/0x120
[  360.402197]  ? mark_held_locks+0x130/0x130
[  360.406435]  ? find_get_entry+0xaae/0x1120
[  360.410678]  ? filemap_map_pages+0x1a20/0x1a20
[  360.415266]  ? zap_class+0x640/0x640
[  360.418978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.424514]  ? check_preemption_disabled+0x48/0x280
[  360.429527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.435055]  ? should_fail+0x22d/0xd01
[  360.438944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.444046]  ? zap_class+0x640/0x640
[  360.447775]  ? __lock_is_held+0xb5/0x140
[  360.451837]  ? mark_held_locks+0x130/0x130
[  360.456070]  ? lock_release+0xa00/0xa00
[  360.460053]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.465499]  ? xa_load+0x2ba/0x460
[  360.469037]  ? lock_downgrade+0x900/0x900
[  360.473180]  ? __might_sleep+0x95/0x190
[  360.477153]  __alloc_pages_nodemask+0xa80/0xde0
[  360.481825]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.486836]  ? __page_cache_alloc+0x191/0x5c0
[  360.491326]  ? xa_load+0x2e1/0x460
[  360.494859]  ? xa_clear_mark+0x40/0x40
[  360.498741]  ? zap_class+0x640/0x640
[  360.502458]  ? zap_class+0x640/0x640
[  360.506167]  ? zap_class+0x640/0x640
[  360.509877]  ? __do_page_cache_readahead+0x663/0x810
[  360.514976]  ? find_held_lock+0x36/0x1c0
[  360.519034]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  360.524569]  alloc_pages_current+0x173/0x350
[  360.528976]  __page_cache_alloc+0x38c/0x5c0
[  360.533289]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.538219]  ? kasan_check_read+0x11/0x20
[  360.542360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.547630]  ? generic_perform_write+0x6a0/0x6a0
[  360.552382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.557906]  ? check_preemption_disabled+0x48/0x280
[  360.562923]  filemap_fault+0x1595/0x25f0
[  360.566987]  ? __lock_page_or_retry+0xa00/0xa00
[  360.571658]  ? mark_held_locks+0x130/0x130
[  360.575901]  ? filemap_map_pages+0xd6b/0x1a20
[  360.580390]  ? lock_downgrade+0x900/0x900
[  360.584532]  ? check_preemption_disabled+0x48/0x280
[  360.589544]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.594463]  ? kasan_check_read+0x11/0x20
[  360.598603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.603877]  ? rcu_softirq_qs+0x20/0x20
[  360.607859]  ? filemap_map_pages+0xd92/0x1a20
[  360.612356]  ? print_usage_bug+0xc0/0xc0
[  360.616419]  ? find_get_entries_tag+0x1400/0x1400
[  360.621253]  ? __kasan_slab_free+0x102/0x150
[  360.625660]  ? kasan_slab_free+0xe/0x10
[  360.629630]  ? kmem_cache_free+0x83/0x290
[  360.633778]  ? __sigqueue_free.part.29+0x74/0x90
[  360.638540]  ? lock_acquire+0x1ed/0x520
[  360.642506]  ? ext4_filemap_fault+0x7a/0xad
[  360.646827]  ? lock_release+0xa00/0xa00
[  360.650797]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.656244]  ? print_usage_bug+0xc0/0xc0
[  360.660303]  ? print_usage_bug+0xc0/0xc0
[  360.664366]  ? down_read+0x8d/0x120
[  360.667987]  ? ext4_filemap_fault+0x7a/0xad
[  360.672301]  ? __down_interruptible+0x700/0x700
[  360.676969]  ext4_filemap_fault+0x82/0xad
[  360.681113]  __do_fault+0x100/0x6b0
[  360.684738]  ? pmd_devmap_trans_unstable+0x220/0x220
[  360.689837]  ? mark_held_locks+0x130/0x130
[  360.694066]  ? mark_held_locks+0x130/0x130
[  360.698300]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  360.703832]  ? rcu_pm_notify+0xc0/0xc0
[  360.707719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.713254]  __handle_mm_fault+0x3ea0/0x5be0
[  360.717672]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  360.722508]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.727000]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.731577]  ? trace_hardirqs_on+0xbd/0x310
[  360.735893]  ? kasan_check_read+0x11/0x20
[  360.740032]  ? __set_current_blocked+0xdf/0x120
[  360.744694]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.749800]  ? zap_class+0x640/0x640
[  360.753527]  ? zap_class+0x640/0x640
[  360.757240]  ? find_held_lock+0x36/0x1c0
[  360.761302]  ? handle_mm_fault+0x42a/0xc70
[  360.765531]  ? lock_downgrade+0x900/0x900
[  360.769675]  ? check_preemption_disabled+0x48/0x280
[  360.774691]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.779615]  ? kasan_check_read+0x11/0x20
[  360.783763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.789027]  ? rcu_softirq_qs+0x20/0x20
[  360.792996]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.798092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.803630]  ? check_preemption_disabled+0x48/0x280
[  360.808649]  handle_mm_fault+0x54f/0xc70
[  360.812708]  ? __handle_mm_fault+0x5be0/0x5be0
[  360.817289]  ? find_vma+0x34/0x190
[  360.820826]  __do_page_fault+0x5e8/0xe60
[  360.824885]  ? exit_to_usermode_loop+0x1f4/0x380
[  360.829645]  do_page_fault+0xf2/0x7e0
[  360.833444]  ? vmalloc_sync_all+0x30/0x30
[  360.837586]  ? error_entry+0x70/0xd0
[  360.841301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.847008]  ? trace_hardirqs_on_caller+0xc0/0x310
[  360.851929]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.856849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.861690]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.866699]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.872148]  ? prepare_exit_to_usermode+0x291/0x3b0
[  360.877159]  ? page_fault+0x8/0x30
[  360.880697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.885533]  ? page_fault+0x8/0x30
[  360.889066]  page_fault+0x1e/0x30
[  360.892514] RIP: 0033:0x45db60
[  360.895711] Code: Bad RIP value.
[  360.899067] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  360.904422] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  360.911682] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  360.918944] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  360.926204] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  360.933477] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  360.940754] warn_alloc_show_mem: 1 callbacks suppressed
[  360.940763] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  360.940765] Mem-Info:
[  360.940793] active_anon:48041 inactive_anon:196 isolated_anon:0
[  360.940793]  active_file:13 inactive_file:15 isolated_file:0
[  360.940793]  unevictable:0 dirty:0 writeback:0 unstable:0
[  360.940793]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  360.940793]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  360.940793]  free:13795 free_pcp:455 free_cma:0
[  360.946121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.946128] Call Trace:
[  360.953400] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  360.955789]  <IRQ>
[  360.988656] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  360.997994]  dump_stack+0x244/0x39d
[  361.000546] lowmem_reserve[]: 0 2818 6321 6321
[  361.027943]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.030064] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  361.056174]  warn_alloc.cold.116+0xb7/0x1bd
[  361.059757] lowmem_reserve[]: 0 0 3503 3503
[  361.064330]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.069495] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  361.097241]  ? lock_downgrade+0x900/0x900
[  361.101526] lowmem_reserve[]: 0 0 0 0
[  361.105841]  ? trace_hardirqs_off+0xb8/0x310
[  361.110661] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  361.139625]  ? trace_hardirqs_off+0xb8/0x310
[  361.143745] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  361.147540]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.151915] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  361.165449]  ? warn_alloc+0x120/0x120
[  361.169812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.186006]  ? warn_alloc+0x120/0x120
[  361.190824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.205982]  ? __lock_acquire+0x62f/0x4c20
[  361.209755] 272 total pagecache pages
[  361.218576]  ? warn_alloc+0x120/0x120
[  361.222362] 0 pages in swap cache
[  361.230913]  ? print_usage_bug+0xc0/0xc0
[  361.235122] Swap cache stats: add 0, delete 0, find 0/0
[  361.238907]  ? print_usage_bug+0xc0/0xc0
[  361.242681] Free swap  = 0kB
[  361.246117]  ? mark_held_locks+0x130/0x130
[  361.250150] Total swap = 0kB
[  361.255500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.259533] 1965979 pages RAM
[  361.262538]  ? should_fail+0x22d/0xd01
[  361.266742] 0 pages HighMem/MovableOnly
[  361.269749]  ? zap_class+0x640/0x640
[  361.275253] 342853 pages reserved
[  361.275260] 0 pages cma reserved
[  361.278353]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.282266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.286168]  ? __lock_acquire+0x62f/0x4c20
[  361.286184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.286199]  ? should_fail+0x22d/0xd01
[  361.289947] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.293326]  ? mark_held_locks+0x130/0x130
[  361.296657] syz-fuzzer cpuset=/ mems_allowed=0
[  361.301746]  ? mark_held_locks+0x130/0x130
[  361.344583]  ? lock_downgrade+0x900/0x900
[  361.348724]  ? zap_class+0x640/0x640
[  361.352433]  ? zap_class+0x640/0x640
[  361.356145]  ? zap_class+0x640/0x640
[  361.359853]  ? do_raw_spin_unlock+0xa7/0x330
[  361.364257]  ? trace_hardirqs_on+0x310/0x310
[  361.368661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.374196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.379730]  ? check_preemption_disabled+0x48/0x280
[  361.384747]  ? __lock_is_held+0xb5/0x140
[  361.388807]  __alloc_pages_nodemask+0xa80/0xde0
[  361.393467]  ? zap_class+0x640/0x640
[  361.397181]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.402199]  ? find_held_lock+0x36/0x1c0
[  361.406262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.410924]  ? lock_downgrade+0x900/0x900
[  361.415074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.420608]  cache_grow_begin+0xa5/0x8c0
[  361.424659]  ? do_raw_spin_unlock+0xa7/0x330
[  361.429079]  fallback_alloc+0x204/0x2e0
[  361.433051]  ____cache_alloc_node+0x1c7/0x1e0
[  361.437556]  kmem_cache_alloc_node+0xe3/0x730
[  361.442056]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.446653]  __alloc_skb+0x119/0x770
[  361.450364]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  361.455723]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.460136]  ? vprintk_default+0x28/0x30
[  361.464194]  ? vprintk_func+0x85/0x181
[  361.468074]  ? printk+0xa7/0xcf
[  361.471347]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  361.476102]  new_skb+0x26/0x1c0
[  361.479379]  aoecmd_cfg+0x279/0x7f0
[  361.483002]  ? find_held_lock+0x36/0x1c0
[  361.487062]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  361.491386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.496925]  ? __lock_is_held+0xb5/0x140
[  361.500992]  discover_timer+0x50/0x60
[  361.504785]  call_timer_fn+0x272/0x920
[  361.508666]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  361.513503]  ? process_timeout+0x40/0x40
[  361.517573]  ? __run_timers+0x7da/0xc70
[  361.521544]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.526043]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.530529]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  361.535368]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.539947]  ? trace_hardirqs_on+0xbd/0x310
[  361.544275]  ? kasan_check_read+0x11/0x20
[  361.548414]  ? __run_timers+0x7da/0xc70
[  361.552386]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.557496]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  361.562334]  __run_timers+0x7e5/0xc70
[  361.566149]  ? timer_fixup_init+0x70/0x70
[  361.570292]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.575301]  ? zap_class+0x640/0x640
[  361.579011]  ? enqueue_hrtimer+0x1a5/0x560
[  361.583240]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.588427]  ? find_held_lock+0x36/0x1c0
[  361.592486]  ? zap_class+0x640/0x640
[  361.596194]  ? pvclock_read_flags+0x160/0x160
[  361.600686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.606222]  ? check_preemption_disabled+0x48/0x280
[  361.611236]  ? __lock_is_held+0xb5/0x140
[  361.615295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.620826]  ? check_preemption_disabled+0x48/0x280
[  361.625837]  run_timer_softirq+0x52/0xb0
[  361.629892]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.634908]  __do_softirq+0x308/0xb7e
[  361.638705]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.643191]  ? lock_downgrade+0x900/0x900
[  361.647335]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.652433]  ? pvclock_read_flags+0x160/0x160
[  361.656921]  ? lapic_next_event+0x5a/0x90
[  361.661064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.666602]  ? kvm_clock_read+0x18/0x30
[  361.670581]  ? kvm_sched_clock_read+0x9/0x20
[  361.674984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.680518]  ? check_preemption_disabled+0x48/0x280
[  361.685543]  irq_exit+0x17f/0x1c0
[  361.688998]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.693831]  ? smp_reschedule_interrupt+0x109/0x650
[  361.698841]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.704717]  ? interrupt_entry+0xb5/0xc0
[  361.708773]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.713785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.718794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.723633]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.728641]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.733663]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.738503]  apic_timer_interrupt+0xf/0x20
[  361.742728]  </IRQ>
[  361.744957] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  361.749882] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  361.768861] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.776568] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  361.783832] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  361.791101] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  361.798373] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  361.805635] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  361.812927]  skb_clone+0x1bb/0x500
[  361.816461]  ? finish_task_switch+0x2f4/0x910
[  361.820954]  ? skb_split+0x11e0/0x11e0
[  361.824841]  ? preempt_notifier_register+0x200/0x200
[  361.829948]  ? __switch_to_asm+0x34/0x70
[  361.834000]  ? __switch_to_asm+0x34/0x70
[  361.838058]  ? __switch_to_asm+0x40/0x70
[  361.842115]  ? __switch_to_asm+0x34/0x70
[  361.846168]  ? __switch_to_asm+0x40/0x70
[  361.850231]  ? __switch_to_asm+0x34/0x70
[  361.854287]  ? __switch_to_asm+0x40/0x70
[  361.858337]  ? __switch_to_asm+0x34/0x70
[  361.862395]  ? __switch_to_asm+0x34/0x70
[  361.866455]  ? __switch_to_asm+0x40/0x70
[  361.870525]  ? __switch_to_asm+0x34/0x70
[  361.874596]  bpf_clone_redirect+0xb9/0x490
[  361.878828]  ? __schedule+0x8d7/0x21d0
[  361.882712]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  361.887721]  ? __sched_text_start+0x8/0x8
[  361.891860]  ? retint_kernel+0x2d/0x2d
[  361.895749]  ? find_held_lock+0x36/0x1c0
[  361.899809]  ? lock_acquire+0x1ed/0x520
[  361.903781]  ? bpf_test_run+0x3cb/0x780
[  361.907753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.913287]  ? check_preemption_disabled+0x48/0x280
[  361.918304]  ? kasan_check_read+0x11/0x20
[  361.922441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.927707]  ? rcu_softirq_qs+0x20/0x20
[  361.931679]  ? preempt_schedule+0x4d/0x60
[  361.935824]  ? ___preempt_schedule+0x16/0x18
[  361.940231]  ? bpf_test_run+0x25d/0x780
[  361.944213]  ? netlink_diag_dump+0x2a0/0x2a0
[  361.948617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.954147]  ? bpf_test_init.isra.10+0x70/0x100
[  361.958817]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  361.963576]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.968410]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.973942]  ? fput+0x130/0x1a0
[  361.977233]  ? __bpf_prog_get+0x9b/0x290
[  361.981290]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.986126]  ? bpf_prog_test_run+0x130/0x1a0
[  361.990538]  ? __x64_sys_bpf+0x3d8/0x520
[  361.994595]  ? bpf_prog_get+0x20/0x20
[  361.998406]  ? do_syscall_64+0x1b9/0x820
[  362.002463]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  362.007826]  ? syscall_return_slowpath+0x5e0/0x5e0
[  362.012749]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.017763]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  362.022778]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  362.029433]  ? __switch_to_asm+0x40/0x70
[  362.033486]  ? __switch_to_asm+0x34/0x70
[  362.037553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.042396]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  362.047771] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  362.047826] aoe: skb alloc failure
[  362.054687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.054692] Call Trace:
[  362.054697]  <IRQ>
[  362.054712]  dump_stack+0x244/0x39d
[  362.054731]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.058265] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.067597]  warn_alloc.cold.116+0xb7/0x1bd
[  362.070145] syz-executor4 cpuset=syz4 mems_allowed=0
[  362.072284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.105742]  ? lock_downgrade+0x900/0x900
[  362.109888]  ? trace_hardirqs_off+0xb8/0x310
[  362.114300]  ? trace_hardirqs_off+0xb8/0x310
[  362.118713]  __alloc_pages_slowpath+0x26e8/0x2e10
[  362.123581]  ? warn_alloc+0x120/0x120
[  362.127381]  ? print_usage_bug+0xc0/0xc0
[  362.131438]  ? warn_alloc+0x120/0x120
[  362.135233]  ? warn_alloc+0x120/0x120
[  362.139033]  ? print_usage_bug+0xc0/0xc0
[  362.143098]  ? print_usage_bug+0xc0/0xc0
[  362.147157]  ? __lock_acquire+0x62f/0x4c20
[  362.151388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.156919]  ? should_fail+0x22d/0xd01
[  362.160803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.165902]  ? __lock_acquire+0x62f/0x4c20
[  362.170134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.175229]  ? __lock_acquire+0x62f/0x4c20
[  362.179464]  ? should_fail+0x22d/0xd01
[  362.183343]  ? find_held_lock+0x36/0x1c0
[  362.187424]  ? mark_held_locks+0x130/0x130
[  362.191654]  ? mark_held_locks+0x130/0x130
[  362.195880]  ? zap_class+0x640/0x640
[  362.199585]  ? zap_class+0x640/0x640
[  362.203739]  ? print_usage_bug+0xc0/0xc0
[  362.207794]  ? do_raw_spin_unlock+0xa7/0x330
[  362.212197]  ? zap_class+0x640/0x640
[  362.215902]  ? print_usage_bug+0xc0/0xc0
[  362.219960]  ? wq_watchdog_touch+0x9c/0xfe
[  362.224191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.229721]  ? check_preemption_disabled+0x48/0x280
[  362.234742]  ? __lock_is_held+0xb5/0x140
[  362.238802]  __alloc_pages_nodemask+0xa80/0xde0
[  362.243467]  ? zap_class+0x640/0x640
[  362.247178]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.252201]  ? find_held_lock+0x36/0x1c0
[  362.256266]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.260933]  ? lock_downgrade+0x900/0x900
[  362.265080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.270618]  cache_grow_begin+0xa5/0x8c0
[  362.274670]  ? do_raw_spin_unlock+0xa7/0x330
[  362.279077]  fallback_alloc+0x204/0x2e0
[  362.283050]  ____cache_alloc_node+0x1c7/0x1e0
[  362.287547]  kmem_cache_alloc_node+0xe3/0x730
[  362.292039]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.296277]  __alloc_skb+0x119/0x770
[  362.299982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.305256]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.309660]  ? lock_downgrade+0x900/0x900
[  362.313807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.319340]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.324786]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.330246]  ? addrconf_rs_timer+0x690/0x690
[  362.334658]  ndisc_alloc_skb+0x144/0x340
[  362.338724]  ndisc_send_rs+0x331/0x6e0
[  362.342606]  addrconf_rs_timer+0x314/0x690
[  362.346835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.351071]  call_timer_fn+0x272/0x920
[  362.354953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.359198]  ? process_timeout+0x40/0x40
[  362.363260]  ? mark_held_locks+0xc7/0x130
[  362.367400]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.372044]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.376538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.380770]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.385347]  ? trace_hardirqs_on+0xbd/0x310
[  362.389661]  ? kasan_check_read+0x11/0x20
[  362.393799]  ? __run_timers+0x7da/0xc70
[  362.397771]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.402869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.407101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.411329]  __run_timers+0x7e5/0xc70
[  362.415133]  ? timer_fixup_init+0x70/0x70
[  362.419280]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.424291]  ? zap_class+0x640/0x640
[  362.428006]  ? print_usage_bug+0xc0/0xc0
[  362.432067]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.437253]  ? find_held_lock+0x36/0x1c0
[  362.441309]  ? zap_class+0x640/0x640
[  362.445020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.450555]  ? check_preemption_disabled+0x48/0x280
[  362.455576]  ? __lock_is_held+0xb5/0x140
[  362.459632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.465167]  ? check_preemption_disabled+0x48/0x280
[  362.470180]  run_timer_softirq+0x52/0xb0
[  362.474234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.479247]  __do_softirq+0x308/0xb7e
[  362.483045]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.487541]  ? lock_downgrade+0x900/0x900
[  362.491686]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.496789]  ? pvclock_read_flags+0x160/0x160
[  362.501284]  ? lapic_next_event+0x5a/0x90
[  362.505430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.510965]  ? kvm_clock_read+0x18/0x30
[  362.514935]  ? kvm_sched_clock_read+0x9/0x20
[  362.519339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.524886]  ? check_preemption_disabled+0x48/0x280
[  362.529905]  irq_exit+0x17f/0x1c0
[  362.533352]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.538193]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.544071]  ? interrupt_entry+0xb5/0xc0
[  362.548128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.553135]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.558155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.562990]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.568000]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.573010]  ? task_prio+0x50/0x50
[  362.576546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.582079]  ? check_preemption_disabled+0x48/0x280
[  362.587091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.591935]  apic_timer_interrupt+0xf/0x20
[  362.596155]  </IRQ>
[  362.598385] RIP: 0010:console_unlock+0x102f/0x1190
[  362.603308] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  362.622201] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  362.629901] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  362.637163] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  362.644424] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  362.651685] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  362.658949] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  362.666217]  ? netconsole_netdev_event+0x280/0x280
[  362.671147]  ? console_unlock+0x1026/0x1190
[  362.675482]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  362.680145]  ? vprintk_emit+0x846/0x990
[  362.684122]  ? lock_release+0xa00/0xa00
[  362.688090]  ? trace_hardirqs_on+0x60/0x310
[  362.692408]  ? vprintk_default+0x28/0x30
[  362.696471]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.701568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.707103]  vprintk_emit+0x391/0x990
[  362.710904]  ? wake_up_klogd+0x180/0x180
[  362.714967]  ? find_held_lock+0x1/0x1c0
[  362.718945]  ? mark_held_locks+0xc7/0x130
[  362.723092]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.727581]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.732077]  vprintk_default+0x28/0x30
[  362.735960]  vprintk_func+0x7e/0x181
[  362.739672]  printk+0xa7/0xcf
[  362.742770]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  362.747560]  ? _raw_spin_unlock_irq+0x60/0x80
[  362.752059]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  362.757338]  dump_header+0x7cc/0xf72
[  362.761058]  ? pagefault_out_of_memory+0x197/0x197
[  362.766011]  ? __lock_acquire+0x62f/0x4c20
[  362.770244]  ? percpu_ref_get_many+0x240/0x240
[  362.774829]  ? print_usage_bug+0xc0/0xc0
[  362.778890]  ? zap_class+0x640/0x640
[  362.782600]  ? print_usage_bug+0xc0/0xc0
[  362.786659]  ? zap_class+0x640/0x640
[  362.790372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.795909]  ? find_held_lock+0x36/0x1c0
[  362.799970]  ? mark_held_locks+0xc7/0x130
[  362.804113]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  362.809206]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  362.814316]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.818895]  ? trace_hardirqs_on+0xbd/0x310
[  362.823208]  ? kasan_check_read+0x11/0x20
[  362.827351]  ? ___ratelimit+0x3b4/0x672
[  362.831318]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.836417]  ? trace_hardirqs_on+0x310/0x310
[  362.840818]  ? lock_downgrade+0x900/0x900
[  362.844966]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.850064]  ? ___ratelimit+0x3b9/0x672
[  362.854032]  ? idr_get_free+0xf70/0xf70
[  362.858003]  ? find_held_lock+0x36/0x1c0
[  362.862068]  oom_kill_process.cold.27+0x10/0x903
[  362.866818]  ? zap_class+0x640/0x640
[  362.870526]  ? check_preemption_disabled+0x48/0x280
[  362.875536]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.880465]  ? kasan_check_read+0x11/0x20
[  362.884612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.889890]  ? oom_evaluate_task+0x540/0x540
[  362.894296]  ? find_held_lock+0x36/0x1c0
[  362.898360]  ? out_of_memory+0x974/0x1430
[  362.902505]  ? lock_downgrade+0x900/0x900
[  362.906646]  ? check_preemption_disabled+0x48/0x280
[  362.911661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.916585]  ? kasan_check_read+0x11/0x20
[  362.920736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.926003]  ? rcu_softirq_qs+0x20/0x20
[  362.929973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.935504]  ? oom_evaluate_task+0x302/0x540
[  362.939916]  out_of_memory+0xa84/0x1430
[  362.943897]  ? oom_killer_disable+0x3a0/0x3a0
[  362.948383]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  362.953309]  ? __ww_mutex_check_waiters+0x160/0x160
[  362.958328]  __alloc_pages_slowpath+0x2354/0x2e10
[  362.963191]  ? warn_alloc+0x120/0x120
[  362.966982]  ? mark_held_locks+0x130/0x130
[  362.971212]  ? find_get_entry+0xaae/0x1120
[  362.975454]  ? filemap_map_pages+0x1a20/0x1a20
[  362.980036]  ? zap_class+0x640/0x640
[  362.983751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.989279]  ? check_preemption_disabled+0x48/0x280
[  362.994291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.999818]  ? should_fail+0x22d/0xd01
[  363.003703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.008798]  ? zap_class+0x640/0x640
[  363.012528]  ? __lock_is_held+0xb5/0x140
[  363.016593]  ? mark_held_locks+0x130/0x130
[  363.020828]  ? lock_release+0xa00/0xa00
[  363.024794]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.030235]  ? xa_load+0x2ba/0x460
[  363.033767]  ? lock_downgrade+0x900/0x900
[  363.037914]  ? __might_sleep+0x95/0x190
[  363.041886]  __alloc_pages_nodemask+0xa80/0xde0
[  363.046556]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.051565]  ? __page_cache_alloc+0x191/0x5c0
[  363.056052]  ? xa_load+0x2e1/0x460
[  363.059585]  ? xa_clear_mark+0x40/0x40
[  363.063470]  ? zap_class+0x640/0x640
[  363.067186]  ? zap_class+0x640/0x640
[  363.070891]  ? zap_class+0x640/0x640
[  363.074610]  ? __do_page_cache_readahead+0x663/0x810
[  363.079713]  ? find_held_lock+0x36/0x1c0
[  363.083775]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  363.089339]  alloc_pages_current+0x173/0x350
[  363.093746]  __page_cache_alloc+0x38c/0x5c0
[  363.098059]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.102983]  ? kasan_check_read+0x11/0x20
[  363.107124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.112395]  ? generic_perform_write+0x6a0/0x6a0
[  363.117140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.122673]  ? check_preemption_disabled+0x48/0x280
[  363.127692]  filemap_fault+0x1595/0x25f0
[  363.131762]  ? __lock_page_or_retry+0xa00/0xa00
[  363.136434]  ? mark_held_locks+0x130/0x130
[  363.140669]  ? filemap_map_pages+0xd6b/0x1a20
[  363.145158]  ? lock_downgrade+0x900/0x900
[  363.149316]  ? check_preemption_disabled+0x48/0x280
[  363.154327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.159249]  ? kasan_check_read+0x11/0x20
[  363.163387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.168653]  ? rcu_softirq_qs+0x20/0x20
[  363.172631]  ? filemap_map_pages+0xd92/0x1a20
[  363.177130]  ? print_usage_bug+0xc0/0xc0
[  363.181191]  ? find_get_entries_tag+0x1400/0x1400
[  363.186024]  ? __kasan_slab_free+0x102/0x150
[  363.190445]  ? kasan_slab_free+0xe/0x10
[  363.194439]  ? kmem_cache_free+0x83/0x290
[  363.198581]  ? __sigqueue_free.part.29+0x74/0x90
[  363.203346]  ? lock_acquire+0x1ed/0x520
[  363.207314]  ? ext4_filemap_fault+0x7a/0xad
[  363.211636]  ? lock_release+0xa00/0xa00
[  363.215601]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.221047]  ? print_usage_bug+0xc0/0xc0
[  363.225101]  ? print_usage_bug+0xc0/0xc0
[  363.229164]  ? down_read+0x8d/0x120
[  363.232779]  ? ext4_filemap_fault+0x7a/0xad
[  363.237106]  ? __down_interruptible+0x700/0x700
[  363.241778]  ext4_filemap_fault+0x82/0xad
[  363.245921]  __do_fault+0x100/0x6b0
[  363.249546]  ? pmd_devmap_trans_unstable+0x220/0x220
[  363.254645]  ? mark_held_locks+0x130/0x130
[  363.258875]  ? mark_held_locks+0x130/0x130
[  363.263104]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  363.268633]  ? rcu_pm_notify+0xc0/0xc0
[  363.272516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.278050]  __handle_mm_fault+0x3ea0/0x5be0
[  363.282475]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  363.287310]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.291798]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.296373]  ? trace_hardirqs_on+0xbd/0x310
[  363.300691]  ? kasan_check_read+0x11/0x20
[  363.304828]  ? __set_current_blocked+0xdf/0x120
[  363.309501]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.314602]  ? zap_class+0x640/0x640
[  363.318310]  ? zap_class+0x640/0x640
[  363.322023]  ? find_held_lock+0x36/0x1c0
[  363.326083]  ? handle_mm_fault+0x42a/0xc70
[  363.330319]  ? lock_downgrade+0x900/0x900
[  363.334465]  ? check_preemption_disabled+0x48/0x280
[  363.339478]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.344404]  ? kasan_check_read+0x11/0x20
[  363.348555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.353823]  ? rcu_softirq_qs+0x20/0x20
[  363.357792]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.362890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.368431]  ? check_preemption_disabled+0x48/0x280
[  363.373456]  handle_mm_fault+0x54f/0xc70
[  363.377511]  ? __handle_mm_fault+0x5be0/0x5be0
[  363.382087]  ? find_vma+0x34/0x190
[  363.385630]  __do_page_fault+0x5e8/0xe60
[  363.389684]  ? exit_to_usermode_loop+0x1f4/0x380
[  363.394447]  do_page_fault+0xf2/0x7e0
[  363.398247]  ? vmalloc_sync_all+0x30/0x30
[  363.402390]  ? error_entry+0x70/0xd0
[  363.406102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.411111]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.416033]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.420952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.425789]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.430794]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.436238]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.441246]  ? page_fault+0x8/0x30
[  363.444785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.449625]  ? page_fault+0x8/0x30
[  363.453159]  page_fault+0x1e/0x30
[  363.456601] RIP: 0033:0x45db60
[  363.459795] Code: Bad RIP value.
[  363.463148] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  363.468499] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  363.475771] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  363.483033] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  363.490313] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  363.497573] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  363.504850] warn_alloc_show_mem: 1 callbacks suppressed
[  363.504859] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  363.504860] Mem-Info:
[  363.504888] active_anon:48041 inactive_anon:196 isolated_anon:0
[  363.504888]  active_file:13 inactive_file:15 isolated_file:0
[  363.504888]  unevictable:0 dirty:0 writeback:0 unstable:0
[  363.504888]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  363.504888]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  363.504888]  free:13795 free_pcp:455 free_cma:0
[  363.510222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.517494] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  363.519884] Call Trace:
[  363.552737] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  363.562077]  <IRQ>
[  363.589461] lowmem_reserve[]: 0 2818 6321 6321
[  363.592032]  dump_stack+0x244/0x39d
[  363.618112] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  363.620256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.624803] lowmem_reserve[]: 0 0 3503 3503
[  363.628434]  warn_alloc.cold.116+0xb7/0x1bd
[  363.656156] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  363.661332]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.665616] lowmem_reserve[]: 0 0 0 0
[  363.669938]  ? lock_downgrade+0x900/0x900
[  363.698879] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  363.703716]  ? trace_hardirqs_off+0xb8/0x310
[  363.707484] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  363.711628]  ? trace_hardirqs_off+0xb8/0x310
[  363.725119] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  363.729521]  __alloc_pages_slowpath+0x26e8/0x2e10
[  363.745707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  363.750122]  ? warn_alloc+0x120/0x120
[  363.765252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  363.770076]  ? warn_alloc+0x120/0x120
[  363.778882] 272 total pagecache pages
[  363.782669]  ? __lock_acquire+0x62f/0x4c20
[  363.791222] 0 pages in swap cache
[  363.794999]  ? warn_alloc+0x120/0x120
[  363.798776] Swap cache stats: add 0, delete 0, find 0/0
[  363.802993]  ? print_usage_bug+0xc0/0xc0
[  363.806421] Free swap  = 0kB
[  363.810202]  ? print_usage_bug+0xc0/0xc0
[  363.815541] Total swap = 0kB
[  363.819590]  ? mark_held_locks+0x130/0x130
[  363.822588] 1965979 pages RAM
[  363.826636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.829626] 0 pages HighMem/MovableOnly
[  363.833844]  ? should_fail+0x22d/0xd01
[  363.836912] 342853 pages reserved
[  363.836923] 0 pages cma reserved
[  363.842447]  ? zap_class+0x640/0x640
[  363.846447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.850267]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.853759] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.857042]  ? __lock_acquire+0x62f/0x4c20
[  363.860726] syz-fuzzer cpuset=/ mems_allowed=0
[  363.867205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.896618]  ? should_fail+0x22d/0xd01
[  363.900511]  ? mark_held_locks+0x130/0x130
[  363.904743]  ? mark_held_locks+0x130/0x130
[  363.908969]  ? lock_downgrade+0x900/0x900
[  363.913111]  ? zap_class+0x640/0x640
[  363.916817]  ? zap_class+0x640/0x640
[  363.920524]  ? zap_class+0x640/0x640
[  363.924229]  ? do_raw_spin_unlock+0xa7/0x330
[  363.928636]  ? trace_hardirqs_on+0x310/0x310
[  363.933040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.938573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.944105]  ? check_preemption_disabled+0x48/0x280
[  363.949123]  ? __lock_is_held+0xb5/0x140
[  363.953184]  __alloc_pages_nodemask+0xa80/0xde0
[  363.957845]  ? zap_class+0x640/0x640
[  363.961561]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.966583]  ? find_held_lock+0x36/0x1c0
[  363.970651]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.975313]  ? lock_downgrade+0x900/0x900
[  363.979462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.985004]  cache_grow_begin+0xa5/0x8c0
[  363.989058]  ? do_raw_spin_unlock+0xa7/0x330
[  363.993469]  fallback_alloc+0x204/0x2e0
[  363.997442]  ____cache_alloc_node+0x1c7/0x1e0
[  364.001939]  kmem_cache_alloc_node+0xe3/0x730
[  364.006427]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.011020]  __alloc_skb+0x119/0x770
[  364.014730]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  364.020090]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.024496]  ? vprintk_default+0x28/0x30
[  364.028551]  ? vprintk_func+0x85/0x181
[  364.032433]  ? printk+0xa7/0xcf
[  364.035714]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  364.040476]  new_skb+0x26/0x1c0
[  364.043749]  aoecmd_cfg+0x279/0x7f0
[  364.047379]  ? find_held_lock+0x36/0x1c0
[  364.051438]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  364.055757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.061307]  ? __lock_is_held+0xb5/0x140
[  364.065381]  discover_timer+0x50/0x60
[  364.069178]  call_timer_fn+0x272/0x920
[  364.073059]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  364.077906]  ? process_timeout+0x40/0x40
[  364.081968]  ? __run_timers+0x7da/0xc70
[  364.085936]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.090425]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.094932]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  364.099768]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.104343]  ? trace_hardirqs_on+0xbd/0x310
[  364.108668]  ? kasan_check_read+0x11/0x20
[  364.112812]  ? __run_timers+0x7da/0xc70
[  364.116781]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.121886]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  364.126725]  __run_timers+0x7e5/0xc70
[  364.130525]  ? timer_fixup_init+0x70/0x70
[  364.134671]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.139681]  ? zap_class+0x640/0x640
[  364.143394]  ? enqueue_hrtimer+0x1a5/0x560
[  364.147626]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.152818]  ? find_held_lock+0x36/0x1c0
[  364.156880]  ? zap_class+0x640/0x640
[  364.160609]  ? pvclock_read_flags+0x160/0x160
[  364.165098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.170633]  ? check_preemption_disabled+0x48/0x280
[  364.175648]  ? __lock_is_held+0xb5/0x140
[  364.179702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.185232]  ? check_preemption_disabled+0x48/0x280
[  364.190246]  run_timer_softirq+0x52/0xb0
[  364.194300]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.199311]  __do_softirq+0x308/0xb7e
[  364.203353]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.207844]  ? lock_downgrade+0x900/0x900
[  364.211990]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.217096]  ? pvclock_read_flags+0x160/0x160
[  364.221587]  ? lapic_next_event+0x5a/0x90
[  364.225733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.231272]  ? kvm_clock_read+0x18/0x30
[  364.235243]  ? kvm_sched_clock_read+0x9/0x20
[  364.239652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.245187]  ? check_preemption_disabled+0x48/0x280
[  364.250208]  irq_exit+0x17f/0x1c0
[  364.253656]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.258490]  ? smp_reschedule_interrupt+0x109/0x650
[  364.263504]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.269384]  ? interrupt_entry+0xb5/0xc0
[  364.273443]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.278450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.283459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.288319]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.293340]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.298369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.303211]  apic_timer_interrupt+0xf/0x20
[  364.307439]  </IRQ>
[  364.309676] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  364.314602] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  364.333492] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.341193] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  364.348453] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  364.355719] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  364.362982] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  364.370756] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  364.378053]  skb_clone+0x1bb/0x500
[  364.381593]  ? finish_task_switch+0x2f4/0x910
[  364.386097]  ? skb_split+0x11e0/0x11e0
[  364.389983]  ? preempt_notifier_register+0x200/0x200
[  364.395081]  ? __switch_to_asm+0x34/0x70
[  364.399132]  ? __switch_to_asm+0x34/0x70
[  364.403184]  ? __switch_to_asm+0x40/0x70
[  364.407235]  ? __switch_to_asm+0x34/0x70
[  364.411288]  ? __switch_to_asm+0x40/0x70
[  364.415345]  ? __switch_to_asm+0x34/0x70
[  364.419401]  ? __switch_to_asm+0x40/0x70
[  364.423454]  ? __switch_to_asm+0x34/0x70
[  364.427508]  ? __switch_to_asm+0x34/0x70
[  364.431563]  ? __switch_to_asm+0x40/0x70
[  364.435619]  ? __switch_to_asm+0x34/0x70
[  364.439677]  bpf_clone_redirect+0xb9/0x490
[  364.443907]  ? __schedule+0x8d7/0x21d0
[  364.447791]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  364.452800]  ? __sched_text_start+0x8/0x8
[  364.456939]  ? retint_kernel+0x2d/0x2d
[  364.460834]  ? find_held_lock+0x36/0x1c0
[  364.464902]  ? lock_acquire+0x1ed/0x520
[  364.468879]  ? bpf_test_run+0x3cb/0x780
[  364.472847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.478384]  ? check_preemption_disabled+0x48/0x280
[  364.483399]  ? kasan_check_read+0x11/0x20
[  364.487538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.492810]  ? rcu_softirq_qs+0x20/0x20
[  364.496778]  ? preempt_schedule+0x4d/0x60
[  364.500921]  ? ___preempt_schedule+0x16/0x18
[  364.505336]  ? bpf_test_run+0x25d/0x780
[  364.509312]  ? netlink_diag_dump+0x2a0/0x2a0
[  364.513722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.519253]  ? bpf_test_init.isra.10+0x70/0x100
[  364.523922]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  364.528678]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  364.533516]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  364.539048]  ? fput+0x130/0x1a0
[  364.542331]  ? __bpf_prog_get+0x9b/0x290
[  364.546390]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  364.551226]  ? bpf_prog_test_run+0x130/0x1a0
[  364.555629]  ? __x64_sys_bpf+0x3d8/0x520
[  364.559683]  ? bpf_prog_get+0x20/0x20
[  364.563511]  ? do_syscall_64+0x1b9/0x820
[  364.567568]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  364.572935]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.577866]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.582881]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  364.587892]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  364.594547]  ? __switch_to_asm+0x40/0x70
[  364.598598]  ? __switch_to_asm+0x34/0x70
[  364.602653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.607498]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  364.612877] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  364.612935] aoe: skb alloc failure
[  364.619795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.619800] Call Trace:
[  364.619805]  <IRQ>
[  364.619821]  dump_stack+0x244/0x39d
[  364.619840]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.623379] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.632712]  warn_alloc.cold.116+0xb7/0x1bd
[  364.635261] syz-executor4 cpuset=syz4 mems_allowed=0
[  364.637400]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.670837]  ? lock_downgrade+0x900/0x900
[  364.674985]  ? trace_hardirqs_off+0xb8/0x310
[  364.679390]  ? trace_hardirqs_off+0xb8/0x310
[  364.683805]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.688684]  ? warn_alloc+0x120/0x120
[  364.692491]  ? print_usage_bug+0xc0/0xc0
[  364.696544]  ? warn_alloc+0x120/0x120
[  364.700342]  ? warn_alloc+0x120/0x120
[  364.704149]  ? print_usage_bug+0xc0/0xc0
[  364.708202]  ? kvm_clock_read+0x18/0x30
[  364.712169]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.717179]  ? print_usage_bug+0xc0/0xc0
[  364.721231]  ? __lock_acquire+0x62f/0x4c20
[  364.725461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.730990]  ? should_fail+0x22d/0xd01
[  364.734867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.740136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.745245]  ? __lock_acquire+0x62f/0x4c20
[  364.749477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.754572]  ? __lock_acquire+0x62f/0x4c20
[  364.758794]  ? should_fail+0x22d/0xd01
[  364.762670]  ? rcu_irq_exit+0x1a2/0x390
[  364.766650]  ? mark_held_locks+0x130/0x130
[  364.770895]  ? mark_held_locks+0x130/0x130
[  364.775127]  ? mark_held_locks+0xc7/0x130
[  364.779267]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.784369]  ? zap_class+0x640/0x640
[  364.788114]  ? print_usage_bug+0xc0/0xc0
[  364.792184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.797714]  ? check_preemption_disabled+0x48/0x280
[  364.802729]  ? __lock_is_held+0xb5/0x140
[  364.806789]  __alloc_pages_nodemask+0xa80/0xde0
[  364.811452]  ? zap_class+0x640/0x640
[  364.815163]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.820180]  ? find_held_lock+0x36/0x1c0
[  364.824245]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.828910]  ? lock_downgrade+0x900/0x900
[  364.833058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.838591]  cache_grow_begin+0xa5/0x8c0
[  364.842643]  ? do_raw_spin_unlock+0xa7/0x330
[  364.847054]  fallback_alloc+0x204/0x2e0
[  364.851025]  ____cache_alloc_node+0x1c7/0x1e0
[  364.855523]  kmem_cache_alloc_node+0xe3/0x730
[  364.860016]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.864251]  __alloc_skb+0x119/0x770
[  364.867957]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.873230]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.877630]  ? lock_downgrade+0x900/0x900
[  364.881775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.887309]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.892777]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.898220]  ? addrconf_rs_timer+0x690/0x690
[  364.902631]  ndisc_alloc_skb+0x144/0x340
[  364.906693]  ndisc_send_rs+0x331/0x6e0
[  364.910580]  addrconf_rs_timer+0x314/0x690
[  364.914811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.919047]  call_timer_fn+0x272/0x920
[  364.922928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.927154]  ? process_timeout+0x40/0x40
[  364.931220]  ? mark_held_locks+0xc7/0x130
[  364.935366]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.939854]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.944348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.948577]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.953156]  ? trace_hardirqs_on+0xbd/0x310
[  364.957471]  ? kasan_check_read+0x11/0x20
[  364.961608]  ? __run_timers+0x7da/0xc70
[  364.965576]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.970674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.974911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.979138]  __run_timers+0x7e5/0xc70
[  364.982938]  ? timer_fixup_init+0x70/0x70
[  364.987079]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.992086]  ? zap_class+0x640/0x640
[  364.995799]  ? print_usage_bug+0xc0/0xc0
[  364.999860]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  365.005047]  ? find_held_lock+0x36/0x1c0
[  365.009107]  ? zap_class+0x640/0x640
[  365.012823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.018351]  ? check_preemption_disabled+0x48/0x280
[  365.023364]  ? __lock_is_held+0xb5/0x140
[  365.027423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.032957]  ? check_preemption_disabled+0x48/0x280
[  365.037974]  run_timer_softirq+0x52/0xb0
[  365.042039]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.047048]  __do_softirq+0x308/0xb7e
[  365.050850]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  365.055360]  ? lock_downgrade+0x900/0x900
[  365.059508]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.064610]  ? pvclock_read_flags+0x160/0x160
[  365.069103]  ? lapic_next_event+0x5a/0x90
[  365.073246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.078791]  ? kvm_clock_read+0x18/0x30
[  365.082761]  ? kvm_sched_clock_read+0x9/0x20
[  365.087164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.092694]  ? check_preemption_disabled+0x48/0x280
[  365.097710]  irq_exit+0x17f/0x1c0
[  365.101158]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.105995]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.111872]  ? interrupt_entry+0xb5/0xc0
[  365.115929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.120940]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.125953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.130795]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.135804]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.140814]  ? task_prio+0x50/0x50
[  365.144350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.149882]  ? check_preemption_disabled+0x48/0x280
[  365.154911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.159759]  apic_timer_interrupt+0xf/0x20
[  365.163979]  </IRQ>
[  365.166214] RIP: 0010:console_unlock+0x102f/0x1190
[  365.171137] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  365.190027] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  365.197727] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  365.205288] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  365.212553] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  365.219817] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  365.227078] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  365.234366]  ? netconsole_netdev_event+0x280/0x280
[  365.239305]  ? console_unlock+0x1026/0x1190
[  365.243632]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  365.248295]  ? vprintk_emit+0x846/0x990
[  365.252278]  ? lock_release+0xa00/0xa00
[  365.256249]  ? trace_hardirqs_on+0x60/0x310
[  365.260571]  ? vprintk_default+0x28/0x30
[  365.264628]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.269726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.275267]  vprintk_emit+0x391/0x990
[  365.279066]  ? wake_up_klogd+0x180/0x180
[  365.283127]  ? find_held_lock+0x1/0x1c0
[  365.287100]  ? mark_held_locks+0xc7/0x130
[  365.291242]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.295754]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.300246]  vprintk_default+0x28/0x30
[  365.304135]  vprintk_func+0x7e/0x181
[  365.307844]  printk+0xa7/0xcf
[  365.310942]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  365.315711]  ? _raw_spin_unlock_irq+0x60/0x80
[  365.320214]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  365.325488]  dump_header+0x7cc/0xf72
[  365.329201]  ? pagefault_out_of_memory+0x197/0x197
[  365.334131]  ? __lock_acquire+0x62f/0x4c20
[  365.338362]  ? percpu_ref_get_many+0x240/0x240
[  365.343026]  ? print_usage_bug+0xc0/0xc0
[  365.347174]  ? zap_class+0x640/0x640
[  365.350885]  ? print_usage_bug+0xc0/0xc0
[  365.354944]  ? zap_class+0x640/0x640
[  365.358665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.364199]  ? find_held_lock+0x36/0x1c0
[  365.368269]  ? mark_held_locks+0xc7/0x130
[  365.372418]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.377516]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.382619]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.387195]  ? trace_hardirqs_on+0xbd/0x310
[  365.391508]  ? kasan_check_read+0x11/0x20
[  365.395649]  ? ___ratelimit+0x3b4/0x672
[  365.399617]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.404728]  ? trace_hardirqs_on+0x310/0x310
[  365.409135]  ? lock_downgrade+0x900/0x900
[  365.413294]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.418392]  ? ___ratelimit+0x3b9/0x672
[  365.422360]  ? idr_get_free+0xf70/0xf70
[  365.426325]  ? find_held_lock+0x36/0x1c0
[  365.430387]  oom_kill_process.cold.27+0x10/0x903
[  365.435136]  ? zap_class+0x640/0x640
[  365.438849]  ? check_preemption_disabled+0x48/0x280
[  365.443863]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.448784]  ? kasan_check_read+0x11/0x20
[  365.452928]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.458201]  ? oom_evaluate_task+0x540/0x540
[  365.462611]  ? find_held_lock+0x36/0x1c0
[  365.466671]  ? out_of_memory+0x974/0x1430
[  365.470815]  ? lock_downgrade+0x900/0x900
[  365.474955]  ? check_preemption_disabled+0x48/0x280
[  365.479971]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.484892]  ? kasan_check_read+0x11/0x20
[  365.489031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.494305]  ? rcu_softirq_qs+0x20/0x20
[  365.498275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.503808]  ? oom_evaluate_task+0x302/0x540
[  365.508211]  out_of_memory+0xa84/0x1430
[  365.512184]  ? oom_killer_disable+0x3a0/0x3a0
[  365.516672]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  365.521596]  ? __ww_mutex_check_waiters+0x160/0x160
[  365.526613]  __alloc_pages_slowpath+0x2354/0x2e10
[  365.531469]  ? warn_alloc+0x120/0x120
[  365.535263]  ? mark_held_locks+0x130/0x130
[  365.539498]  ? find_get_entry+0xaae/0x1120
[  365.543731]  ? filemap_map_pages+0x1a20/0x1a20
[  365.548312]  ? zap_class+0x640/0x640
[  365.552143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.557681]  ? check_preemption_disabled+0x48/0x280
[  365.562699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.568235]  ? should_fail+0x22d/0xd01
[  365.572120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.577214]  ? zap_class+0x640/0x640
[  365.580951]  ? __lock_is_held+0xb5/0x140
[  365.585010]  ? mark_held_locks+0x130/0x130
[  365.589242]  ? lock_release+0xa00/0xa00
[  365.593212]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.598661]  ? xa_load+0x2ba/0x460
[  365.602213]  ? lock_downgrade+0x900/0x900
[  365.606362]  ? __might_sleep+0x95/0x190
[  365.610329]  __alloc_pages_nodemask+0xa80/0xde0
[  365.614995]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.620009]  ? __page_cache_alloc+0x191/0x5c0
[  365.624497]  ? xa_load+0x2e1/0x460
[  365.628034]  ? xa_clear_mark+0x40/0x40
[  365.631915]  ? zap_class+0x640/0x640
[  365.635628]  ? zap_class+0x640/0x640
[  365.639338]  ? zap_class+0x640/0x640
[  365.643045]  ? __do_page_cache_readahead+0x663/0x810
[  365.648145]  ? find_held_lock+0x36/0x1c0
[  365.652202]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  365.657756]  alloc_pages_current+0x173/0x350
[  365.662159]  __page_cache_alloc+0x38c/0x5c0
[  365.666472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.671395]  ? kasan_check_read+0x11/0x20
[  365.675537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.680807]  ? generic_perform_write+0x6a0/0x6a0
[  365.685559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.691089]  ? check_preemption_disabled+0x48/0x280
[  365.696108]  filemap_fault+0x1595/0x25f0
[  365.700173]  ? __lock_page_or_retry+0xa00/0xa00
[  365.704834]  ? mark_held_locks+0x130/0x130
[  365.709074]  ? filemap_map_pages+0xd6b/0x1a20
[  365.713568]  ? lock_downgrade+0x900/0x900
[  365.717710]  ? check_preemption_disabled+0x48/0x280
[  365.722720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.727641]  ? kasan_check_read+0x11/0x20
[  365.731786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.737061]  ? rcu_softirq_qs+0x20/0x20
[  365.741035]  ? filemap_map_pages+0xd92/0x1a20
[  365.745523]  ? print_usage_bug+0xc0/0xc0
[  365.749577]  ? find_get_entries_tag+0x1400/0x1400
[  365.754412]  ? __kasan_slab_free+0x102/0x150
[  365.758809]  ? kasan_slab_free+0xe/0x10
[  365.762776]  ? kmem_cache_free+0x83/0x290
[  365.766916]  ? __sigqueue_free.part.29+0x74/0x90
[  365.771680]  ? lock_acquire+0x1ed/0x520
[  365.775644]  ? ext4_filemap_fault+0x7a/0xad
[  365.779967]  ? lock_release+0xa00/0xa00
[  365.783936]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.789381]  ? print_usage_bug+0xc0/0xc0
[  365.793435]  ? print_usage_bug+0xc0/0xc0
[  365.797501]  ? down_read+0x8d/0x120
[  365.801123]  ? ext4_filemap_fault+0x7a/0xad
[  365.805438]  ? __down_interruptible+0x700/0x700
[  365.810106]  ext4_filemap_fault+0x82/0xad
[  365.814246]  __do_fault+0x100/0x6b0
[  365.817872]  ? pmd_devmap_trans_unstable+0x220/0x220
[  365.822969]  ? mark_held_locks+0x130/0x130
[  365.827198]  ? mark_held_locks+0x130/0x130
[  365.831431]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  365.836963]  ? rcu_pm_notify+0xc0/0xc0
[  365.840856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.846388]  __handle_mm_fault+0x3ea0/0x5be0
[  365.850796]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  365.855640]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.860129]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.864707]  ? trace_hardirqs_on+0xbd/0x310
[  365.869024]  ? kasan_check_read+0x11/0x20
[  365.873160]  ? __set_current_blocked+0xdf/0x120
[  365.877826]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.882931]  ? zap_class+0x640/0x640
[  365.886640]  ? zap_class+0x640/0x640
[  365.890357]  ? find_held_lock+0x36/0x1c0
[  365.894417]  ? handle_mm_fault+0x42a/0xc70
[  365.898650]  ? lock_downgrade+0x900/0x900
[  365.902813]  ? check_preemption_disabled+0x48/0x280
[  365.907825]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.912749]  ? kasan_check_read+0x11/0x20
[  365.916892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.922164]  ? rcu_softirq_qs+0x20/0x20
[  365.926128]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.931235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.936767]  ? check_preemption_disabled+0x48/0x280
[  365.941784]  handle_mm_fault+0x54f/0xc70
[  365.945842]  ? __handle_mm_fault+0x5be0/0x5be0
[  365.950425]  ? find_vma+0x34/0x190
[  365.953964]  __do_page_fault+0x5e8/0xe60
[  365.958025]  ? exit_to_usermode_loop+0x1f4/0x380
[  365.962791]  do_page_fault+0xf2/0x7e0
[  365.966584]  ? vmalloc_sync_all+0x30/0x30
[  365.970724]  ? error_entry+0x70/0xd0
[  365.974432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.979444]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.984369]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.989297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.994134]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.999147]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.004595]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.009603]  ? page_fault+0x8/0x30
[  366.013144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.017982]  ? page_fault+0x8/0x30
[  366.021516]  page_fault+0x1e/0x30
[  366.024962] RIP: 0033:0x45db60
[  366.028158] Code: Bad RIP value.
[  366.031510] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  366.036863] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  366.044121] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  366.051380] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  366.058658] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  366.065920] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  366.073208] warn_alloc_show_mem: 1 callbacks suppressed
[  366.073217] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  366.073219] Mem-Info:
[  366.073254] active_anon:48041 inactive_anon:196 isolated_anon:0
[  366.073254]  active_file:13 inactive_file:15 isolated_file:0
[  366.073254]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.073254]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  366.073254]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  366.073254]  free:13795 free_pcp:455 free_cma:0
[  366.078579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.085847] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.088240] Call Trace:
[  366.121092] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  366.130428]  <IRQ>
[  366.157809] lowmem_reserve[]: 0 2818 6321 6321
[  366.160398]  dump_stack+0x244/0x39d
[  366.186467] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  366.188620]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.193171] lowmem_reserve[]: 0 0 3503 3503
[  366.196799]  warn_alloc.cold.116+0xb7/0x1bd
[  366.224529] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  366.229716]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.234006] lowmem_reserve[]: 0 0 0 0
[  366.238323]  ? lock_downgrade+0x900/0x900
[  366.267277] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  366.272112]  ? trace_hardirqs_off+0xb8/0x310
[  366.275873] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  366.280017]  ? trace_hardirqs_off+0xb8/0x310
[  366.293509] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  366.297914]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.314096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.318508]  ? warn_alloc+0x120/0x120
[  366.333633] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.338458]  ? warn_alloc+0x120/0x120
[  366.347259] 272 total pagecache pages
[  366.351047]  ? __lock_acquire+0x62f/0x4c20
[  366.359601] 0 pages in swap cache
[  366.363382]  ? warn_alloc+0x120/0x120
[  366.367156] Swap cache stats: add 0, delete 0, find 0/0
[  366.371907]  ? print_usage_bug+0xc0/0xc0
[  366.375329] Free swap  = 0kB
[  366.379112]  ? print_usage_bug+0xc0/0xc0
[  366.384441] Total swap = 0kB
[  366.384449] 1965979 pages RAM
[  366.388497]  ? mark_held_locks+0x130/0x130
[  366.391488] 0 pages HighMem/MovableOnly
[  366.395539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.398527] 342853 pages reserved
[  366.401616]  ? should_fail+0x22d/0xd01
[  366.405820] 0 pages cma reserved
[  366.409780]  ? zap_class+0x640/0x640
[  366.415355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.418728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.422634] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.425936]  ? __lock_acquire+0x62f/0x4c20
[  366.429620] syz-fuzzer cpuset=/ mems_allowed=0
[  366.436100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.465261]  ? should_fail+0x22d/0xd01
[  366.469153]  ? mark_held_locks+0x130/0x130
[  366.473399]  ? mark_held_locks+0x130/0x130
[  366.477626]  ? lock_downgrade+0x900/0x900
[  366.481771]  ? zap_class+0x640/0x640
[  366.485478]  ? zap_class+0x640/0x640
[  366.489191]  ? zap_class+0x640/0x640
[  366.492899]  ? do_raw_spin_unlock+0xa7/0x330
[  366.497305]  ? trace_hardirqs_on+0x310/0x310
[  366.501714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.507259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.512891]  ? check_preemption_disabled+0x48/0x280
[  366.517909]  ? __lock_is_held+0xb5/0x140
[  366.521970]  __alloc_pages_nodemask+0xa80/0xde0
[  366.526633]  ? zap_class+0x640/0x640
[  366.530348]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.535366]  ? find_held_lock+0x36/0x1c0
[  366.539431]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.544094]  ? lock_downgrade+0x900/0x900
[  366.548242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.553781]  cache_grow_begin+0xa5/0x8c0
[  366.557838]  ? do_raw_spin_unlock+0xa7/0x330
[  366.562251]  fallback_alloc+0x204/0x2e0
[  366.566223]  ____cache_alloc_node+0x1c7/0x1e0
[  366.570716]  kmem_cache_alloc_node+0xe3/0x730
[  366.575204]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.579787]  __alloc_skb+0x119/0x770
[  366.583493]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  366.588862]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.593272]  ? vprintk_default+0x28/0x30
[  366.597338]  ? vprintk_func+0x85/0x181
[  366.601313]  ? printk+0xa7/0xcf
[  366.604586]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  366.609352]  new_skb+0x26/0x1c0
[  366.612624]  aoecmd_cfg+0x279/0x7f0
[  366.616248]  ? find_held_lock+0x36/0x1c0
[  366.620302]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  366.624619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.630169]  ? __lock_is_held+0xb5/0x140
[  366.634234]  discover_timer+0x50/0x60
[  366.638032]  call_timer_fn+0x272/0x920
[  366.641911]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.646749]  ? process_timeout+0x40/0x40
[  366.650809]  ? __run_timers+0x7da/0xc70
[  366.654780]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.659266]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.664174]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.669010]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.673590]  ? trace_hardirqs_on+0xbd/0x310
[  366.677914]  ? kasan_check_read+0x11/0x20
[  366.682052]  ? __run_timers+0x7da/0xc70
[  366.686021]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.691130]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.695972]  __run_timers+0x7e5/0xc70
[  366.699778]  ? timer_fixup_init+0x70/0x70
[  366.703921]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  366.708930]  ? zap_class+0x640/0x640
[  366.712645]  ? enqueue_hrtimer+0x1a5/0x560
[  366.716875]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.722068]  ? find_held_lock+0x36/0x1c0
[  366.726146]  ? zap_class+0x640/0x640
[  366.729860]  ? pvclock_read_flags+0x160/0x160
[  366.734353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.739884]  ? check_preemption_disabled+0x48/0x280
[  366.744903]  ? __lock_is_held+0xb5/0x140
[  366.748960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.754495]  ? check_preemption_disabled+0x48/0x280
[  366.759511]  run_timer_softirq+0x52/0xb0
[  366.763565]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.768576]  __do_softirq+0x308/0xb7e
[  366.772375]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.776862]  ? lock_downgrade+0x900/0x900
[  366.781094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.786200]  ? pvclock_read_flags+0x160/0x160
[  366.790695]  ? lapic_next_event+0x5a/0x90
[  366.794837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.800370]  ? kvm_clock_read+0x18/0x30
[  366.804341]  ? kvm_sched_clock_read+0x9/0x20
[  366.808750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.814282]  ? check_preemption_disabled+0x48/0x280
[  366.819299]  irq_exit+0x17f/0x1c0
[  366.822746]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.827584]  ? smp_reschedule_interrupt+0x109/0x650
[  366.832595]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.838471]  ? interrupt_entry+0xb5/0xc0
[  366.842527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.847536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.852549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.857389]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.862398]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.867420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.872268]  apic_timer_interrupt+0xf/0x20
[  366.876490]  </IRQ>
[  366.878724] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  366.883646] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  366.902540] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.910239] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  366.917500] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  366.924762] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  366.932026] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  366.939287] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  366.946578]  skb_clone+0x1bb/0x500
[  366.950112]  ? finish_task_switch+0x2f4/0x910
[  366.954613]  ? skb_split+0x11e0/0x11e0
[  366.958496]  ? preempt_notifier_register+0x200/0x200
[  366.963590]  ? __switch_to_asm+0x34/0x70
[  366.967641]  ? __switch_to_asm+0x34/0x70
[  366.971694]  ? __switch_to_asm+0x40/0x70
[  366.975742]  ? __switch_to_asm+0x34/0x70
[  366.979790]  ? __switch_to_asm+0x40/0x70
[  366.983860]  ? __switch_to_asm+0x34/0x70
[  366.987911]  ? __switch_to_asm+0x40/0x70
[  366.991961]  ? __switch_to_asm+0x34/0x70
[  366.996014]  ? __switch_to_asm+0x34/0x70
[  367.000071]  ? __switch_to_asm+0x40/0x70
[  367.004132]  ? __switch_to_asm+0x34/0x70
[  367.008189]  bpf_clone_redirect+0xb9/0x490
[  367.012427]  ? __schedule+0x8d7/0x21d0
[  367.016325]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  367.021337]  ? __sched_text_start+0x8/0x8
[  367.025478]  ? retint_kernel+0x2d/0x2d
[  367.029365]  ? find_held_lock+0x36/0x1c0
[  367.033431]  ? lock_acquire+0x1ed/0x520
[  367.037401]  ? bpf_test_run+0x3cb/0x780
[  367.041373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.046901]  ? check_preemption_disabled+0x48/0x280
[  367.051922]  ? kasan_check_read+0x11/0x20
[  367.056064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.061349]  ? rcu_softirq_qs+0x20/0x20
[  367.065318]  ? preempt_schedule+0x4d/0x60
[  367.069462]  ? ___preempt_schedule+0x16/0x18
[  367.073874]  ? bpf_test_run+0x25d/0x780
[  367.077853]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.082255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.087782]  ? bpf_test_init.isra.10+0x70/0x100
[  367.092452]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  367.097213]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.102046]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.107579]  ? fput+0x130/0x1a0
[  367.110852]  ? __bpf_prog_get+0x9b/0x290
[  367.114911]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.119742]  ? bpf_prog_test_run+0x130/0x1a0
[  367.124164]  ? __x64_sys_bpf+0x3d8/0x520
[  367.128222]  ? bpf_prog_get+0x20/0x20
[  367.132034]  ? do_syscall_64+0x1b9/0x820
[  367.136087]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.141458]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.146397]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.151408]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.156423]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  367.163080]  ? __switch_to_asm+0x40/0x70
[  367.167142]  ? __switch_to_asm+0x34/0x70
[  367.171206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.176045]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.181416] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  367.181475] aoe: skb alloc failure
[  367.188336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.188341] Call Trace:
[  367.188345]  <IRQ>
[  367.188362]  dump_stack+0x244/0x39d
[  367.188380]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.191913] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.201244]  warn_alloc.cold.116+0xb7/0x1bd
[  367.203796] syz-executor4 cpuset=syz4 mems_allowed=0
[  367.205936]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.239382]  ? lock_downgrade+0x900/0x900
[  367.243535]  ? trace_hardirqs_off+0xb8/0x310
[  367.247942]  ? trace_hardirqs_off+0xb8/0x310
[  367.252366]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.257223]  ? warn_alloc+0x120/0x120
[  367.261019]  ? print_usage_bug+0xc0/0xc0
[  367.265075]  ? warn_alloc+0x120/0x120
[  367.268881]  ? zap_class+0x640/0x640
[  367.272592]  ? warn_alloc+0x120/0x120
[  367.276389]  ? print_usage_bug+0xc0/0xc0
[  367.280448]  ? print_usage_bug+0xc0/0xc0
[  367.284503]  ? __lock_acquire+0x62f/0x4c20
[  367.288735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.294266]  ? should_fail+0x22d/0xd01
[  367.298157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.303253]  ? __lock_acquire+0x62f/0x4c20
[  367.307483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.312582]  ? __lock_acquire+0x62f/0x4c20
[  367.316981]  ? should_fail+0x22d/0xd01
[  367.320865]  ? find_held_lock+0x36/0x1c0
[  367.324928]  ? mark_held_locks+0x130/0x130
[  367.329166]  ? mark_held_locks+0x130/0x130
[  367.333392]  ? zap_class+0x640/0x640
[  367.337106]  ? zap_class+0x640/0x640
[  367.340819]  ? print_usage_bug+0xc0/0xc0
[  367.344875]  ? do_raw_spin_unlock+0xa7/0x330
[  367.349280]  ? zap_class+0x640/0x640
[  367.352987]  ? print_usage_bug+0xc0/0xc0
[  367.357039]  ? wq_watchdog_touch+0x9c/0xfe
[  367.361271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.366802]  ? check_preemption_disabled+0x48/0x280
[  367.371823]  ? __lock_is_held+0xb5/0x140
[  367.375884]  __alloc_pages_nodemask+0xa80/0xde0
[  367.380546]  ? zap_class+0x640/0x640
[  367.384260]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.389282]  ? find_held_lock+0x36/0x1c0
[  367.393345]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.398013]  ? lock_downgrade+0x900/0x900
[  367.402166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.407699]  cache_grow_begin+0xa5/0x8c0
[  367.411752]  ? do_raw_spin_unlock+0xa7/0x330
[  367.416163]  fallback_alloc+0x204/0x2e0
[  367.420142]  ____cache_alloc_node+0x1c7/0x1e0
[  367.424640]  kmem_cache_alloc_node+0xe3/0x730
[  367.429135]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.433374]  __alloc_skb+0x119/0x770
[  367.437088]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.442365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.446771]  ? lock_downgrade+0x900/0x900
[  367.450920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.456451]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.461900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.467348]  ? addrconf_rs_timer+0x690/0x690
[  367.471763]  ndisc_alloc_skb+0x144/0x340
[  367.475821]  ndisc_send_rs+0x331/0x6e0
[  367.479706]  addrconf_rs_timer+0x314/0x690
[  367.483938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.488172]  call_timer_fn+0x272/0x920
[  367.492053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.496285]  ? process_timeout+0x40/0x40
[  367.500352]  ? mark_held_locks+0xc7/0x130
[  367.504494]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.508982]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.513469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.517693]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.522272]  ? trace_hardirqs_on+0xbd/0x310
[  367.526588]  ? kasan_check_read+0x11/0x20
[  367.530728]  ? __run_timers+0x7da/0xc70
[  367.534698]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.539798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.544027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.548251]  __run_timers+0x7e5/0xc70
[  367.552052]  ? timer_fixup_init+0x70/0x70
[  367.556200]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.561210]  ? zap_class+0x640/0x640
[  367.564919]  ? print_usage_bug+0xc0/0xc0
[  367.568980]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.574167]  ? find_held_lock+0x36/0x1c0
[  367.578226]  ? zap_class+0x640/0x640
[  367.581936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.587466]  ? check_preemption_disabled+0x48/0x280
[  367.592486]  ? __lock_is_held+0xb5/0x140
[  367.596539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.602074]  ? check_preemption_disabled+0x48/0x280
[  367.607094]  run_timer_softirq+0x52/0xb0
[  367.611152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.616163]  __do_softirq+0x308/0xb7e
[  367.619959]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.624443]  ? lock_downgrade+0x900/0x900
[  367.628590]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.633706]  ? pvclock_read_flags+0x160/0x160
[  367.638198]  ? lapic_next_event+0x5a/0x90
[  367.642345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.647881]  ? kvm_clock_read+0x18/0x30
[  367.651848]  ? kvm_sched_clock_read+0x9/0x20
[  367.656251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.661785]  ? check_preemption_disabled+0x48/0x280
[  367.666805]  irq_exit+0x17f/0x1c0
[  367.670255]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.675093]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.680972]  ? interrupt_entry+0xb5/0xc0
[  367.685026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.690031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.695046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.699893]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.704901]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.709919]  ? task_prio+0x50/0x50
[  367.713456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.718984]  ? check_preemption_disabled+0x48/0x280
[  367.723998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.728839]  apic_timer_interrupt+0xf/0x20
[  367.733070]  </IRQ>
[  367.735301] RIP: 0010:console_unlock+0x102f/0x1190
[  367.740227] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  367.759120] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  367.766823] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  367.774082] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  367.781453] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  367.788712] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  367.795974] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  367.803243]  ? netconsole_netdev_event+0x280/0x280
[  367.808169]  ? console_unlock+0x1026/0x1190
[  367.812497]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  367.817156]  ? vprintk_emit+0x846/0x990
[  367.821126]  ? lock_release+0xa00/0xa00
[  367.825096]  ? trace_hardirqs_on+0x60/0x310
[  367.829411]  ? vprintk_default+0x28/0x30
[  367.833466]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.838584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.844137]  vprintk_emit+0x391/0x990
[  367.847935]  ? wake_up_klogd+0x180/0x180
[  367.852007]  ? find_held_lock+0x1/0x1c0
[  367.856004]  ? mark_held_locks+0xc7/0x130
[  367.860145]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.864629]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.869140]  vprintk_default+0x28/0x30
[  367.873024]  vprintk_func+0x7e/0x181
[  367.876754]  printk+0xa7/0xcf
[  367.879858]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  367.884621]  ? _raw_spin_unlock_irq+0x60/0x80
[  367.889121]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  367.894394]  dump_header+0x7cc/0xf72
[  367.898112]  ? pagefault_out_of_memory+0x197/0x197
[  367.903053]  ? __lock_acquire+0x62f/0x4c20
[  367.907285]  ? percpu_ref_get_many+0x240/0x240
[  367.911862]  ? print_usage_bug+0xc0/0xc0
[  367.915924]  ? zap_class+0x640/0x640
[  367.919637]  ? print_usage_bug+0xc0/0xc0
[  367.923691]  ? zap_class+0x640/0x640
[  367.927404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.932940]  ? find_held_lock+0x36/0x1c0
[  367.937004]  ? mark_held_locks+0xc7/0x130
[  367.941146]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  367.946244]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  367.951346]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.955923]  ? trace_hardirqs_on+0xbd/0x310
[  367.960238]  ? kasan_check_read+0x11/0x20
[  367.964377]  ? ___ratelimit+0x3b4/0x672
[  367.968343]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.973440]  ? trace_hardirqs_on+0x310/0x310
[  367.977845]  ? lock_downgrade+0x900/0x900
[  367.981988]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.987091]  ? ___ratelimit+0x3b9/0x672
[  367.991069]  ? idr_get_free+0xf70/0xf70
[  367.995049]  ? find_held_lock+0x36/0x1c0
[  367.999115]  oom_kill_process.cold.27+0x10/0x903
[  368.003862]  ? zap_class+0x640/0x640
[  368.007573]  ? check_preemption_disabled+0x48/0x280
[  368.012583]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.017507]  ? kasan_check_read+0x11/0x20
[  368.021647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.026920]  ? oom_evaluate_task+0x540/0x540
[  368.031324]  ? find_held_lock+0x36/0x1c0
[  368.035386]  ? out_of_memory+0x974/0x1430
[  368.039529]  ? lock_downgrade+0x900/0x900
[  368.043672]  ? check_preemption_disabled+0x48/0x280
[  368.048682]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.053602]  ? kasan_check_read+0x11/0x20
[  368.057745]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.063013]  ? rcu_softirq_qs+0x20/0x20
[  368.066991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.072517]  ? oom_evaluate_task+0x302/0x540
[  368.076920]  out_of_memory+0xa84/0x1430
[  368.080892]  ? oom_killer_disable+0x3a0/0x3a0
[  368.085382]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  368.090320]  ? __ww_mutex_check_waiters+0x160/0x160
[  368.095340]  __alloc_pages_slowpath+0x2354/0x2e10
[  368.100204]  ? warn_alloc+0x120/0x120
[  368.103999]  ? mark_held_locks+0x130/0x130
[  368.108233]  ? find_get_entry+0xaae/0x1120
[  368.112468]  ? filemap_map_pages+0x1a20/0x1a20
[  368.117048]  ? zap_class+0x640/0x640
[  368.120782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.126309]  ? check_preemption_disabled+0x48/0x280
[  368.131315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.136843]  ? should_fail+0x22d/0xd01
[  368.140729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.145825]  ? zap_class+0x640/0x640
[  368.149556]  ? __lock_is_held+0xb5/0x140
[  368.153630]  ? mark_held_locks+0x130/0x130
[  368.157861]  ? lock_release+0xa00/0xa00
[  368.161827]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.167269]  ? xa_load+0x2ba/0x460
[  368.170802]  ? lock_downgrade+0x900/0x900
[  368.174946]  ? __might_sleep+0x95/0x190
[  368.178923]  __alloc_pages_nodemask+0xa80/0xde0
[  368.183588]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.188619]  ? __page_cache_alloc+0x191/0x5c0
[  368.193108]  ? xa_load+0x2e1/0x460
[  368.196640]  ? xa_clear_mark+0x40/0x40
[  368.200520]  ? zap_class+0x640/0x640
[  368.204651]  ? zap_class+0x640/0x640
[  368.208361]  ? zap_class+0x640/0x640
[  368.212078]  ? __do_page_cache_readahead+0x663/0x810
[  368.217180]  ? find_held_lock+0x36/0x1c0
[  368.221243]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  368.226795]  alloc_pages_current+0x173/0x350
[  368.231207]  __page_cache_alloc+0x38c/0x5c0
[  368.235521]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.240447]  ? kasan_check_read+0x11/0x20
[  368.244586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.249859]  ? generic_perform_write+0x6a0/0x6a0
[  368.254609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.260143]  ? check_preemption_disabled+0x48/0x280
[  368.265158]  filemap_fault+0x1595/0x25f0
[  368.269221]  ? __lock_page_or_retry+0xa00/0xa00
[  368.273889]  ? mark_held_locks+0x130/0x130
[  368.278129]  ? filemap_map_pages+0xd6b/0x1a20
[  368.282622]  ? lock_downgrade+0x900/0x900
[  368.286765]  ? check_preemption_disabled+0x48/0x280
[  368.291776]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.296700]  ? kasan_check_read+0x11/0x20
[  368.300838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.306106]  ? rcu_softirq_qs+0x20/0x20
[  368.310088]  ? filemap_map_pages+0xd92/0x1a20
[  368.314580]  ? print_usage_bug+0xc0/0xc0
[  368.318643]  ? find_get_entries_tag+0x1400/0x1400
[  368.323477]  ? __kasan_slab_free+0x102/0x150
[  368.327876]  ? kasan_slab_free+0xe/0x10
[  368.331840]  ? kmem_cache_free+0x83/0x290
[  368.335981]  ? __sigqueue_free.part.29+0x74/0x90
[  368.340750]  ? lock_acquire+0x1ed/0x520
[  368.344716]  ? ext4_filemap_fault+0x7a/0xad
[  368.349043]  ? lock_release+0xa00/0xa00
[  368.353022]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.358466]  ? print_usage_bug+0xc0/0xc0
[  368.362518]  ? print_usage_bug+0xc0/0xc0
[  368.367455]  ? down_read+0x8d/0x120
[  368.371182]  ? ext4_filemap_fault+0x7a/0xad
[  368.375501]  ? __down_interruptible+0x700/0x700
[  368.380175]  ext4_filemap_fault+0x82/0xad
[  368.384333]  __do_fault+0x100/0x6b0
[  368.387954]  ? pmd_devmap_trans_unstable+0x220/0x220
[  368.393059]  ? mark_held_locks+0x130/0x130
[  368.397288]  ? mark_held_locks+0x130/0x130
[  368.401517]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  368.407052]  ? rcu_pm_notify+0xc0/0xc0
[  368.410940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.416477]  __handle_mm_fault+0x3ea0/0x5be0
[  368.420889]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  368.425743]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.430231]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.434824]  ? trace_hardirqs_on+0xbd/0x310
[  368.439136]  ? kasan_check_read+0x11/0x20
[  368.443273]  ? __set_current_blocked+0xdf/0x120
[  368.447933]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.453071]  ? zap_class+0x640/0x640
[  368.456778]  ? zap_class+0x640/0x640
[  368.460495]  ? find_held_lock+0x36/0x1c0
[  368.464560]  ? handle_mm_fault+0x42a/0xc70
[  368.468790]  ? lock_downgrade+0x900/0x900
[  368.472932]  ? check_preemption_disabled+0x48/0x280
[  368.477942]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.482876]  ? kasan_check_read+0x11/0x20
[  368.487034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.492309]  ? rcu_softirq_qs+0x20/0x20
[  368.496288]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.501385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.506915]  ? check_preemption_disabled+0x48/0x280
[  368.511947]  handle_mm_fault+0x54f/0xc70
[  368.516018]  ? __handle_mm_fault+0x5be0/0x5be0
[  368.520600]  ? find_vma+0x34/0x190
[  368.524139]  __do_page_fault+0x5e8/0xe60
[  368.528196]  ? exit_to_usermode_loop+0x1f4/0x380
[  368.532951]  do_page_fault+0xf2/0x7e0
[  368.536747]  ? vmalloc_sync_all+0x30/0x30
[  368.540890]  ? error_entry+0x70/0xd0
[  368.544600]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.549613]  ? trace_hardirqs_on_caller+0xc0/0x310
[  368.554535]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.559458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.564295]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.569300]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.574744]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.579755]  ? page_fault+0x8/0x30
[  368.583292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.588126]  ? page_fault+0x8/0x30
[  368.591665]  page_fault+0x1e/0x30
[  368.595111] RIP: 0033:0x45db60
[  368.598310] Code: Bad RIP value.
[  368.601662] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  368.607013] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  368.614294] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  368.621554] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  368.628822] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  368.636083] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  368.643364] warn_alloc_show_mem: 1 callbacks suppressed
[  368.643374] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  368.643376] Mem-Info:
[  368.643405] active_anon:48041 inactive_anon:196 isolated_anon:0
[  368.643405]  active_file:13 inactive_file:15 isolated_file:0
[  368.643405]  unevictable:0 dirty:0 writeback:0 unstable:0
[  368.643405]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  368.643405]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  368.643405]  free:13795 free_pcp:455 free_cma:0
[  368.648731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.648738] Call Trace:
[  368.656014] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  368.658403]  <IRQ>
[  368.691262] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  368.700604]  dump_stack+0x244/0x39d
[  368.703153] lowmem_reserve[]: 0 2818 6321 6321
[  368.730556]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.732676] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  368.758778]  warn_alloc.cold.116+0xb7/0x1bd
[  368.762380] lowmem_reserve[]: 0 0 3503 3503
[  368.766965]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.772135] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  368.799878]  ? lock_downgrade+0x900/0x900
[  368.804170] lowmem_reserve[]: 0 0 0 0
[  368.808491]  ? trace_hardirqs_off+0xb8/0x310
[  368.813302] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  368.842264]  ? trace_hardirqs_off+0xb8/0x310
[  368.846376] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  368.850173]  __alloc_pages_slowpath+0x26e8/0x2e10
[  368.854563] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  368.868106]  ? warn_alloc+0x120/0x120
[  368.872473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  368.888667]  ? warn_alloc+0x120/0x120
[  368.893495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  368.908650]  ? __lock_acquire+0x62f/0x4c20
[  368.912421] 272 total pagecache pages
[  368.921240]  ? warn_alloc+0x120/0x120
[  368.925031] 0 pages in swap cache
[  368.933586]  ? print_usage_bug+0xc0/0xc0
[  368.937791] Swap cache stats: add 0, delete 0, find 0/0
[  368.941573]  ? print_usage_bug+0xc0/0xc0
[  368.945342] Free swap  = 0kB
[  368.948799]  ? mark_held_locks+0x130/0x130
[  368.952827] Total swap = 0kB
[  368.958176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.962205] 1965979 pages RAM
[  368.965209]  ? should_fail+0x22d/0xd01
[  368.969410] 0 pages HighMem/MovableOnly
[  368.969417] 342853 pages reserved
[  368.972423]  ? zap_class+0x640/0x640
[  368.977925] 0 pages cma reserved
[  368.981022]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.984929] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.988839]  ? __lock_acquire+0x62f/0x4c20
[  368.992313] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.995970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.999304] syz-fuzzer cpuset=/ mems_allowed=0
[  369.004396]  ? should_fail+0x22d/0xd01
[  369.038794]  ? mark_held_locks+0x130/0x130
[  369.043024]  ? mark_held_locks+0x130/0x130
[  369.047254]  ? lock_downgrade+0x900/0x900
[  369.051393]  ? zap_class+0x640/0x640
[  369.055099]  ? zap_class+0x640/0x640
[  369.058806]  ? zap_class+0x640/0x640
[  369.062512]  ? do_raw_spin_unlock+0xa7/0x330
[  369.066914]  ? trace_hardirqs_on+0x310/0x310
[  369.071335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.076866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.082399]  ? check_preemption_disabled+0x48/0x280
[  369.087420]  ? __lock_is_held+0xb5/0x140
[  369.091480]  __alloc_pages_nodemask+0xa80/0xde0
[  369.096145]  ? zap_class+0x640/0x640
[  369.099860]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.104881]  ? find_held_lock+0x36/0x1c0
[  369.108953]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.113618]  ? lock_downgrade+0x900/0x900
[  369.117769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.123307]  cache_grow_begin+0xa5/0x8c0
[  369.127361]  ? do_raw_spin_unlock+0xa7/0x330
[  369.131772]  fallback_alloc+0x204/0x2e0
[  369.135749]  ____cache_alloc_node+0x1c7/0x1e0
[  369.140242]  kmem_cache_alloc_node+0xe3/0x730
[  369.144730]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.149319]  __alloc_skb+0x119/0x770
[  369.153027]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  369.158387]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.162794]  ? vprintk_default+0x28/0x30
[  369.166852]  ? vprintk_func+0x85/0x181
[  369.170734]  ? printk+0xa7/0xcf
[  369.174006]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  369.178764]  new_skb+0x26/0x1c0
[  369.182040]  aoecmd_cfg+0x279/0x7f0
[  369.185661]  ? find_held_lock+0x36/0x1c0
[  369.189715]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  369.194035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.199588]  ? __lock_is_held+0xb5/0x140
[  369.203651]  discover_timer+0x50/0x60
[  369.207446]  call_timer_fn+0x272/0x920
[  369.211330]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  369.216166]  ? process_timeout+0x40/0x40
[  369.220228]  ? __run_timers+0x7da/0xc70
[  369.224197]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.228682]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.233176]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  369.238013]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.242602]  ? trace_hardirqs_on+0xbd/0x310
[  369.246915]  ? kasan_check_read+0x11/0x20
[  369.251062]  ? __run_timers+0x7da/0xc70
[  369.255029]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.260154]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  369.264985]  __run_timers+0x7e5/0xc70
[  369.268784]  ? timer_fixup_init+0x70/0x70
[  369.272951]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.277962]  ? zap_class+0x640/0x640
[  369.281683]  ? enqueue_hrtimer+0x1a5/0x560
[  369.285915]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.291111]  ? find_held_lock+0x36/0x1c0
[  369.295175]  ? zap_class+0x640/0x640
[  369.298884]  ? pvclock_read_flags+0x160/0x160
[  369.303377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.308909]  ? check_preemption_disabled+0x48/0x280
[  369.313940]  ? __lock_is_held+0xb5/0x140
[  369.317996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.323524]  ? check_preemption_disabled+0x48/0x280
[  369.328537]  run_timer_softirq+0x52/0xb0
[  369.332589]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.337600]  __do_softirq+0x308/0xb7e
[  369.341504]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.345991]  ? lock_downgrade+0x900/0x900
[  369.350139]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.355244]  ? pvclock_read_flags+0x160/0x160
[  369.359734]  ? lapic_next_event+0x5a/0x90
[  369.363877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.369412]  ? kvm_clock_read+0x18/0x30
[  369.373380]  ? kvm_sched_clock_read+0x9/0x20
[  369.377786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.383316]  ? check_preemption_disabled+0x48/0x280
[  369.388340]  irq_exit+0x17f/0x1c0
[  369.391793]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.396631]  ? smp_reschedule_interrupt+0x109/0x650
[  369.401641]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.407521]  ? interrupt_entry+0xb5/0xc0
[  369.411577]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.416585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.421598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.426435]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.431449]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.436477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.441321]  apic_timer_interrupt+0xf/0x20
[  369.445543]  </IRQ>
[  369.447777] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  369.452702] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  369.471602] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  369.479299] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  369.486560] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  369.493822] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  369.501082] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  369.508346] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  369.515642]  skb_clone+0x1bb/0x500
[  369.519174]  ? finish_task_switch+0x2f4/0x910
[  369.523661]  ? skb_split+0x11e0/0x11e0
[  369.527542]  ? preempt_notifier_register+0x200/0x200
[  369.532638]  ? __switch_to_asm+0x34/0x70
[  369.536689]  ? __switch_to_asm+0x34/0x70
[  369.540742]  ? __switch_to_asm+0x40/0x70
[  369.544797]  ? __switch_to_asm+0x34/0x70
[  369.548851]  ? __switch_to_asm+0x40/0x70
[  369.552901]  ? __switch_to_asm+0x34/0x70
[  369.556959]  ? __switch_to_asm+0x40/0x70
[  369.561010]  ? __switch_to_asm+0x34/0x70
[  369.565062]  ? __switch_to_asm+0x34/0x70
[  369.569121]  ? __switch_to_asm+0x40/0x70
[  369.573171]  ? __switch_to_asm+0x34/0x70
[  369.577230]  bpf_clone_redirect+0xb9/0x490
[  369.581463]  ? __schedule+0x8d7/0x21d0
[  369.585349]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  369.590358]  ? __sched_text_start+0x8/0x8
[  369.594503]  ? retint_kernel+0x2d/0x2d
[  369.598389]  ? find_held_lock+0x36/0x1c0
[  369.602455]  ? lock_acquire+0x1ed/0x520
[  369.606422]  ? bpf_test_run+0x3cb/0x780
[  369.610397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.615933]  ? check_preemption_disabled+0x48/0x280
[  369.620949]  ? kasan_check_read+0x11/0x20
[  369.625105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.630372]  ? rcu_softirq_qs+0x20/0x20
[  369.634340]  ? preempt_schedule+0x4d/0x60
[  369.638482]  ? ___preempt_schedule+0x16/0x18
[  369.642889]  ? bpf_test_run+0x25d/0x780
[  369.646874]  ? netlink_diag_dump+0x2a0/0x2a0
[  369.651286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.656814]  ? bpf_test_init.isra.10+0x70/0x100
[  369.661478]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  369.666236]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.671073]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  369.676601]  ? fput+0x130/0x1a0
[  369.679877]  ? __bpf_prog_get+0x9b/0x290
[  369.683938]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.688771]  ? bpf_prog_test_run+0x130/0x1a0
[  369.693177]  ? __x64_sys_bpf+0x3d8/0x520
[  369.697231]  ? bpf_prog_get+0x20/0x20
[  369.701042]  ? do_syscall_64+0x1b9/0x820
[  369.705103]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  369.710466]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.715389]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.720400]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  369.725422]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  369.732078]  ? __switch_to_asm+0x40/0x70
[  369.736128]  ? __switch_to_asm+0x34/0x70
[  369.740188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.745046]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  369.750420] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  369.750480] aoe: skb alloc failure
[  369.757337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.757342] Call Trace:
[  369.757348]  <IRQ>
[  369.757363]  dump_stack+0x244/0x39d
[  369.757382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.760918] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.770242]  warn_alloc.cold.116+0xb7/0x1bd
[  369.772790] syz-executor4 cpuset=syz4 mems_allowed=0
[  369.774930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.808368]  ? lock_downgrade+0x900/0x900
[  369.812519]  ? trace_hardirqs_off+0xb8/0x310
[  369.816925]  ? trace_hardirqs_off+0xb8/0x310
[  369.821342]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.826201]  ? warn_alloc+0x120/0x120
[  369.829999]  ? print_usage_bug+0xc0/0xc0
[  369.834055]  ? warn_alloc+0x120/0x120
[  369.837854]  ? warn_alloc+0x120/0x120
[  369.841656]  ? print_usage_bug+0xc0/0xc0
[  369.845710]  ? print_usage_bug+0xc0/0xc0
[  369.849766]  ? __lock_acquire+0x62f/0x4c20
[  369.853996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.859523]  ? should_fail+0x22d/0xd01
[  369.863407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.868504]  ? __lock_acquire+0x62f/0x4c20
[  369.872737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.877832]  ? __lock_acquire+0x62f/0x4c20
[  369.882063]  ? should_fail+0x22d/0xd01
[  369.885946]  ? find_held_lock+0x36/0x1c0
[  369.890008]  ? mark_held_locks+0x130/0x130
[  369.894244]  ? mark_held_locks+0x130/0x130
[  369.898468]  ? zap_class+0x640/0x640
[  369.902268]  ? zap_class+0x640/0x640
[  369.905976]  ? print_usage_bug+0xc0/0xc0
[  369.910030]  ? do_raw_spin_unlock+0xa7/0x330
[  369.914431]  ? zap_class+0x640/0x640
[  369.918147]  ? print_usage_bug+0xc0/0xc0
[  369.922199]  ? wq_watchdog_touch+0x9c/0xfe
[  369.926428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.931963]  ? check_preemption_disabled+0x48/0x280
[  369.936982]  ? __lock_is_held+0xb5/0x140
[  369.941042]  __alloc_pages_nodemask+0xa80/0xde0
[  369.945706]  ? zap_class+0x640/0x640
[  369.949415]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.954431]  ? find_held_lock+0x36/0x1c0
[  369.958492]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.963155]  ? lock_downgrade+0x900/0x900
[  369.967300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.972834]  cache_grow_begin+0xa5/0x8c0
[  369.976892]  ? do_raw_spin_unlock+0xa7/0x330
[  369.981317]  fallback_alloc+0x204/0x2e0
[  369.985309]  ____cache_alloc_node+0x1c7/0x1e0
[  369.989802]  kmem_cache_alloc_node+0xe3/0x730
[  369.994292]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.998529]  __alloc_skb+0x119/0x770
[  370.002236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.007512]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.011922]  ? lock_downgrade+0x900/0x900
[  370.016074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.021605]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.027052]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.032497]  ? addrconf_rs_timer+0x690/0x690
[  370.036928]  ndisc_alloc_skb+0x144/0x340
[  370.040985]  ndisc_send_rs+0x331/0x6e0
[  370.044878]  addrconf_rs_timer+0x314/0x690
[  370.049115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.053352]  call_timer_fn+0x272/0x920
[  370.057235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.061462]  ? process_timeout+0x40/0x40
[  370.065525]  ? mark_held_locks+0xc7/0x130
[  370.069668]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.074152]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.078648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.082884]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.087468]  ? trace_hardirqs_on+0xbd/0x310
[  370.091781]  ? kasan_check_read+0x11/0x20
[  370.095937]  ? __run_timers+0x7da/0xc70
[  370.099915]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.105017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.109250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.113473]  __run_timers+0x7e5/0xc70
[  370.117279]  ? timer_fixup_init+0x70/0x70
[  370.121425]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.126434]  ? zap_class+0x640/0x640
[  370.130144]  ? print_usage_bug+0xc0/0xc0
[  370.134213]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.139402]  ? find_held_lock+0x36/0x1c0
[  370.143460]  ? zap_class+0x640/0x640
[  370.147171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.152702]  ? check_preemption_disabled+0x48/0x280
[  370.157718]  ? __lock_is_held+0xb5/0x140
[  370.161774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.167302]  ? check_preemption_disabled+0x48/0x280
[  370.172316]  run_timer_softirq+0x52/0xb0
[  370.176372]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.181387]  __do_softirq+0x308/0xb7e
[  370.185188]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.189675]  ? lock_downgrade+0x900/0x900
[  370.193822]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.198931]  ? pvclock_read_flags+0x160/0x160
[  370.203884]  ? lapic_next_event+0x5a/0x90
[  370.208044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.213580]  ? kvm_clock_read+0x18/0x30
[  370.217547]  ? kvm_sched_clock_read+0x9/0x20
[  370.221954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.227485]  ? check_preemption_disabled+0x48/0x280
[  370.232507]  irq_exit+0x17f/0x1c0
[  370.235959]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.240801]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.246678]  ? interrupt_entry+0xb5/0xc0
[  370.250739]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.255746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.260762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.265602]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.270610]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.275618]  ? task_prio+0x50/0x50
[  370.279156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.284691]  ? check_preemption_disabled+0x48/0x280
[  370.289704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.294549]  apic_timer_interrupt+0xf/0x20
[  370.298771]  </IRQ>
[  370.301005] RIP: 0010:console_unlock+0x102f/0x1190
[  370.305933] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  370.324824] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  370.332528] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  370.339790] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  370.347052] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  370.354313] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  370.361572] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  370.368961]  ? netconsole_netdev_event+0x280/0x280
[  370.373900]  ? console_unlock+0x1026/0x1190
[  370.378232]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  370.382899]  ? vprintk_emit+0x846/0x990
[  370.386875]  ? lock_release+0xa00/0xa00
[  370.390855]  ? trace_hardirqs_on+0x60/0x310
[  370.395177]  ? vprintk_default+0x28/0x30
[  370.399248]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.404347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.409888]  vprintk_emit+0x391/0x990
[  370.413689]  ? wake_up_klogd+0x180/0x180
[  370.417751]  ? find_held_lock+0x1/0x1c0
[  370.421728]  ? mark_held_locks+0xc7/0x130
[  370.425875]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.430365]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.434868]  vprintk_default+0x28/0x30
[  370.438754]  vprintk_func+0x7e/0x181
[  370.442465]  printk+0xa7/0xcf
[  370.445563]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  370.450312]  ? _raw_spin_unlock_irq+0x60/0x80
[  370.454814]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  370.460100]  dump_header+0x7cc/0xf72
[  370.463814]  ? pagefault_out_of_memory+0x197/0x197
[  370.468751]  ? __lock_acquire+0x62f/0x4c20
[  370.472985]  ? percpu_ref_get_many+0x240/0x240
[  370.477564]  ? print_usage_bug+0xc0/0xc0
[  370.481627]  ? zap_class+0x640/0x640
[  370.485336]  ? print_usage_bug+0xc0/0xc0
[  370.489396]  ? zap_class+0x640/0x640
[  370.493109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.498642]  ? find_held_lock+0x36/0x1c0
[  370.502702]  ? mark_held_locks+0xc7/0x130
[  370.506850]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.511948]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.517047]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.521623]  ? trace_hardirqs_on+0xbd/0x310
[  370.525942]  ? kasan_check_read+0x11/0x20
[  370.530083]  ? ___ratelimit+0x3b4/0x672
[  370.534055]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.539153]  ? trace_hardirqs_on+0x310/0x310
[  370.543554]  ? lock_downgrade+0x900/0x900
[  370.547701]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  370.552800]  ? ___ratelimit+0x3b9/0x672
[  370.556774]  ? idr_get_free+0xf70/0xf70
[  370.560745]  ? find_held_lock+0x36/0x1c0
[  370.564811]  oom_kill_process.cold.27+0x10/0x903
[  370.569571]  ? zap_class+0x640/0x640
[  370.573278]  ? check_preemption_disabled+0x48/0x280
[  370.578291]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.583213]  ? kasan_check_read+0x11/0x20
[  370.587357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.592633]  ? oom_evaluate_task+0x540/0x540
[  370.597047]  ? find_held_lock+0x36/0x1c0
[  370.601112]  ? out_of_memory+0x974/0x1430
[  370.605265]  ? lock_downgrade+0x900/0x900
[  370.609411]  ? check_preemption_disabled+0x48/0x280
[  370.614426]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.619347]  ? kasan_check_read+0x11/0x20
[  370.623486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.628755]  ? rcu_softirq_qs+0x20/0x20
[  370.632729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.638258]  ? oom_evaluate_task+0x302/0x540
[  370.642661]  out_of_memory+0xa84/0x1430
[  370.646637]  ? oom_killer_disable+0x3a0/0x3a0
[  370.651125]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  370.656053]  ? __ww_mutex_check_waiters+0x160/0x160
[  370.661076]  __alloc_pages_slowpath+0x2354/0x2e10
[  370.665939]  ? warn_alloc+0x120/0x120
[  370.669734]  ? mark_held_locks+0x130/0x130
[  370.673965]  ? find_get_entry+0xaae/0x1120
[  370.678202]  ? filemap_map_pages+0x1a20/0x1a20
[  370.682780]  ? zap_class+0x640/0x640
[  370.686490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.692019]  ? check_preemption_disabled+0x48/0x280
[  370.697028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.702557]  ? should_fail+0x22d/0xd01
[  370.706441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.711540]  ? zap_class+0x640/0x640
[  370.715282]  ? __lock_is_held+0xb5/0x140
[  370.719342]  ? mark_held_locks+0x130/0x130
[  370.723573]  ? lock_release+0xa00/0xa00
[  370.727543]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.732990]  ? xa_load+0x2ba/0x460
[  370.736527]  ? lock_downgrade+0x900/0x900
[  370.740671]  ? __might_sleep+0x95/0x190
[  370.744644]  __alloc_pages_nodemask+0xa80/0xde0
[  370.749308]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.754322]  ? __page_cache_alloc+0x191/0x5c0
[  370.758818]  ? xa_load+0x2e1/0x460
[  370.762356]  ? xa_clear_mark+0x40/0x40
[  370.766246]  ? zap_class+0x640/0x640
[  370.769959]  ? zap_class+0x640/0x640
[  370.773666]  ? zap_class+0x640/0x640
[  370.777371]  ? __do_page_cache_readahead+0x663/0x810
[  370.782472]  ? find_held_lock+0x36/0x1c0
[  370.786534]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  370.792069]  alloc_pages_current+0x173/0x350
[  370.796475]  __page_cache_alloc+0x38c/0x5c0
[  370.800791]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.805718]  ? kasan_check_read+0x11/0x20
[  370.809870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.815146]  ? generic_perform_write+0x6a0/0x6a0
[  370.819897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.825426]  ? check_preemption_disabled+0x48/0x280
[  370.830454]  filemap_fault+0x1595/0x25f0
[  370.834527]  ? __lock_page_or_retry+0xa00/0xa00
[  370.839191]  ? mark_held_locks+0x130/0x130
[  370.843429]  ? filemap_map_pages+0xd6b/0x1a20
[  370.847934]  ? lock_downgrade+0x900/0x900
[  370.852074]  ? check_preemption_disabled+0x48/0x280
[  370.857089]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.862012]  ? kasan_check_read+0x11/0x20
[  370.866158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.871429]  ? rcu_softirq_qs+0x20/0x20
[  370.875407]  ? filemap_map_pages+0xd92/0x1a20
[  370.879898]  ? print_usage_bug+0xc0/0xc0
[  370.883959]  ? find_get_entries_tag+0x1400/0x1400
[  370.888792]  ? __kasan_slab_free+0x102/0x150
[  370.893202]  ? kasan_slab_free+0xe/0x10
[  370.897167]  ? kmem_cache_free+0x83/0x290
[  370.901307]  ? __sigqueue_free.part.29+0x74/0x90
[  370.906074]  ? lock_acquire+0x1ed/0x520
[  370.910041]  ? ext4_filemap_fault+0x7a/0xad
[  370.914361]  ? lock_release+0xa00/0xa00
[  370.918337]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.923780]  ? print_usage_bug+0xc0/0xc0
[  370.927847]  ? print_usage_bug+0xc0/0xc0
[  370.931912]  ? down_read+0x8d/0x120
[  370.935528]  ? ext4_filemap_fault+0x7a/0xad
[  370.939847]  ? __down_interruptible+0x700/0x700
[  370.944517]  ext4_filemap_fault+0x82/0xad
[  370.948746]  __do_fault+0x100/0x6b0
[  370.952372]  ? pmd_devmap_trans_unstable+0x220/0x220
[  370.957483]  ? mark_held_locks+0x130/0x130
[  370.961729]  ? mark_held_locks+0x130/0x130
[  370.965955]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  370.971485]  ? rcu_pm_notify+0xc0/0xc0
[  370.975370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.980939]  __handle_mm_fault+0x3ea0/0x5be0
[  370.985353]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  370.990185]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.994674]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.999250]  ? trace_hardirqs_on+0xbd/0x310
[  371.003564]  ? kasan_check_read+0x11/0x20
[  371.007704]  ? __set_current_blocked+0xdf/0x120
[  371.012366]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.017471]  ? zap_class+0x640/0x640
[  371.021179]  ? zap_class+0x640/0x640
[  371.024889]  ? find_held_lock+0x36/0x1c0
[  371.028952]  ? handle_mm_fault+0x42a/0xc70
[  371.033178]  ? lock_downgrade+0x900/0x900
[  371.037323]  ? check_preemption_disabled+0x48/0x280
[  371.042338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.047260]  ? kasan_check_read+0x11/0x20
[  371.051398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.056667]  ? rcu_softirq_qs+0x20/0x20
[  371.060636]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.065734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.071267]  ? check_preemption_disabled+0x48/0x280
[  371.076282]  handle_mm_fault+0x54f/0xc70
[  371.080337]  ? __handle_mm_fault+0x5be0/0x5be0
[  371.084915]  ? find_vma+0x34/0x190
[  371.088452]  __do_page_fault+0x5e8/0xe60
[  371.092513]  ? exit_to_usermode_loop+0x1f4/0x380
[  371.097272]  do_page_fault+0xf2/0x7e0
[  371.101070]  ? vmalloc_sync_all+0x30/0x30
[  371.105209]  ? error_entry+0x70/0xd0
[  371.108916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.113932]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.118855]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.123787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.128622]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.133630]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.139075]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.144088]  ? page_fault+0x8/0x30
[  371.147636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.152473]  ? page_fault+0x8/0x30
[  371.156018]  page_fault+0x1e/0x30
[  371.159462] RIP: 0033:0x45db60
[  371.162663] Code: Bad RIP value.
[  371.166018] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  371.171371] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  371.178634] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  371.185895] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  371.193156] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  371.200415] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  371.207690] warn_alloc_show_mem: 1 callbacks suppressed
[  371.207699] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  371.207700] Mem-Info:
[  371.207730] active_anon:48041 inactive_anon:196 isolated_anon:0
[  371.207730]  active_file:13 inactive_file:15 isolated_file:0
[  371.207730]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.207730]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  371.207730]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  371.207730]  free:13795 free_pcp:455 free_cma:0
[  371.213061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.213068] Call Trace:
[  371.220344] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.222734]  <IRQ>
[  371.255589] 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
[  371.264935]  dump_stack+0x244/0x39d
[  371.267483] lowmem_reserve[]: 0 2818 6321 6321
[  371.294902]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.297026] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  371.323126]  warn_alloc.cold.116+0xb7/0x1bd
[  371.326711] lowmem_reserve[]: 0 0 3503 3503
[  371.331287]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.336446] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  371.364193]  ? lock_downgrade+0x900/0x900
[  371.368485] lowmem_reserve[]: 0 0 0 0
[  371.372803]  ? trace_hardirqs_off+0xb8/0x310
[  371.377615] 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
[  371.406587]  ? trace_hardirqs_off+0xb8/0x310
[  371.410701] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  371.414669]  __alloc_pages_slowpath+0x26e8/0x2e10
[  371.419041] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  371.432581]  ? warn_alloc+0x120/0x120
[  371.436951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  371.453147]  ? warn_alloc+0x120/0x120
[  371.457966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  371.473117]  ? __lock_acquire+0x62f/0x4c20
[  371.476885] 272 total pagecache pages
[  371.485707]  ? warn_alloc+0x120/0x120
[  371.489491] 0 pages in swap cache
[  371.498054]  ? print_usage_bug+0xc0/0xc0
[  371.502263] Swap cache stats: add 0, delete 0, find 0/0
[  371.506147]  ? print_usage_bug+0xc0/0xc0
[  371.509932] Free swap  = 0kB
[  371.513366]  ? mark_held_locks+0x130/0x130
[  371.517397] Total swap = 0kB
[  371.522755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.526784] 1965979 pages RAM
[  371.529786]  ? should_fail+0x22d/0xd01
[  371.533991] 0 pages HighMem/MovableOnly
[  371.533998] 342853 pages reserved
[  371.537001]  ? zap_class+0x640/0x640
[  371.542509] 0 pages cma reserved
[  371.545602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.549510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.553420]  ? __lock_acquire+0x62f/0x4c20
[  371.556919] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.560548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.563881] syz-fuzzer cpuset=/ mems_allowed=0
[  371.568970]  ? should_fail+0x22d/0xd01
[  371.603467]  ? mark_held_locks+0x130/0x130
[  371.607701]  ? mark_held_locks+0x130/0x130
[  371.612024]  ? lock_downgrade+0x900/0x900
[  371.616165]  ? zap_class+0x640/0x640
[  371.619873]  ? zap_class+0x640/0x640
[  371.623585]  ? zap_class+0x640/0x640
[  371.627296]  ? do_raw_spin_unlock+0xa7/0x330
[  371.631695]  ? trace_hardirqs_on+0x310/0x310
[  371.636101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.641632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.647276]  ? check_preemption_disabled+0x48/0x280
[  371.652306]  ? __lock_is_held+0xb5/0x140
[  371.656364]  __alloc_pages_nodemask+0xa80/0xde0
[  371.661025]  ? zap_class+0x640/0x640
[  371.664746]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.669775]  ? find_held_lock+0x36/0x1c0
[  371.673839]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.678502]  ? lock_downgrade+0x900/0x900
[  371.682653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.688193]  cache_grow_begin+0xa5/0x8c0
[  371.692246]  ? do_raw_spin_unlock+0xa7/0x330
[  371.696657]  fallback_alloc+0x204/0x2e0
[  371.700632]  ____cache_alloc_node+0x1c7/0x1e0
[  371.705127]  kmem_cache_alloc_node+0xe3/0x730
[  371.709621]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.714209]  __alloc_skb+0x119/0x770
[  371.717915]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  371.723278]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.727687]  ? vprintk_default+0x28/0x30
[  371.731748]  ? vprintk_func+0x85/0x181
[  371.735643]  ? printk+0xa7/0xcf
[  371.738919]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  371.743678]  new_skb+0x26/0x1c0
[  371.746953]  aoecmd_cfg+0x279/0x7f0
[  371.750576]  ? find_held_lock+0x36/0x1c0
[  371.754634]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  371.758952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.764492]  ? __lock_is_held+0xb5/0x140
[  371.768564]  discover_timer+0x50/0x60
[  371.772358]  call_timer_fn+0x272/0x920
[  371.776237]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.781077]  ? process_timeout+0x40/0x40
[  371.785140]  ? __run_timers+0x7da/0xc70
[  371.789109]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.793598]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.798085]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.802920]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.807584]  ? trace_hardirqs_on+0xbd/0x310
[  371.811920]  ? kasan_check_read+0x11/0x20
[  371.816065]  ? __run_timers+0x7da/0xc70
[  371.820033]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.825138]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.829976]  __run_timers+0x7e5/0xc70
[  371.833782]  ? timer_fixup_init+0x70/0x70
[  371.837928]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.842939]  ? zap_class+0x640/0x640
[  371.846653]  ? enqueue_hrtimer+0x1a5/0x560
[  371.850883]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  371.856074]  ? find_held_lock+0x36/0x1c0
[  371.860132]  ? zap_class+0x640/0x640
[  371.863843]  ? pvclock_read_flags+0x160/0x160
[  371.868336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.873867]  ? check_preemption_disabled+0x48/0x280
[  371.878898]  ? __lock_is_held+0xb5/0x140
[  371.882957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.888489]  ? check_preemption_disabled+0x48/0x280
[  371.893505]  run_timer_softirq+0x52/0xb0
[  371.897561]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.902574]  __do_softirq+0x308/0xb7e
[  371.906370]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.910856]  ? lock_downgrade+0x900/0x900
[  371.915000]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.920107]  ? pvclock_read_flags+0x160/0x160
[  371.924596]  ? lapic_next_event+0x5a/0x90
[  371.928747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.934285]  ? kvm_clock_read+0x18/0x30
[  371.938254]  ? kvm_sched_clock_read+0x9/0x20
[  371.942665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.948193]  ? check_preemption_disabled+0x48/0x280
[  371.953214]  irq_exit+0x17f/0x1c0
[  371.956661]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.961494]  ? smp_reschedule_interrupt+0x109/0x650
[  371.966504]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.972381]  ? interrupt_entry+0xb5/0xc0
[  371.976437]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.981444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.986454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.991292]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.996313]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.001332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.006182]  apic_timer_interrupt+0xf/0x20
[  372.010402]  </IRQ>
[  372.012637] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  372.017562] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  372.036452] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.044153] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.051412] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  372.058672] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  372.065943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  372.073204] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  372.080498]  skb_clone+0x1bb/0x500
[  372.084033]  ? finish_task_switch+0x2f4/0x910
[  372.088529]  ? skb_split+0x11e0/0x11e0
[  372.092416]  ? preempt_notifier_register+0x200/0x200
[  372.097508]  ? __switch_to_asm+0x34/0x70
[  372.101560]  ? __switch_to_asm+0x34/0x70
[  372.105611]  ? __switch_to_asm+0x40/0x70
[  372.109667]  ? __switch_to_asm+0x34/0x70
[  372.113727]  ? __switch_to_asm+0x40/0x70
[  372.117783]  ? __switch_to_asm+0x34/0x70
[  372.121836]  ? __switch_to_asm+0x40/0x70
[  372.125887]  ? __switch_to_asm+0x34/0x70
[  372.129951]  ? __switch_to_asm+0x34/0x70
[  372.134001]  ? __switch_to_asm+0x40/0x70
[  372.138055]  ? __switch_to_asm+0x34/0x70
[  372.142117]  bpf_clone_redirect+0xb9/0x490
[  372.146345]  ? __schedule+0x8d7/0x21d0
[  372.150232]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  372.155250]  ? __sched_text_start+0x8/0x8
[  372.159392]  ? retint_kernel+0x2d/0x2d
[  372.163285]  ? find_held_lock+0x36/0x1c0
[  372.167348]  ? lock_acquire+0x1ed/0x520
[  372.171318]  ? bpf_test_run+0x3cb/0x780
[  372.175284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.180816]  ? check_preemption_disabled+0x48/0x280
[  372.185837]  ? kasan_check_read+0x11/0x20
[  372.189979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.195251]  ? rcu_softirq_qs+0x20/0x20
[  372.199220]  ? preempt_schedule+0x4d/0x60
[  372.203528]  ? ___preempt_schedule+0x16/0x18
[  372.207939]  ? bpf_test_run+0x25d/0x780
[  372.211918]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.216321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.221855]  ? bpf_test_init.isra.10+0x70/0x100
[  372.226525]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  372.231281]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  372.236118]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  372.241647]  ? fput+0x130/0x1a0
[  372.244926]  ? __bpf_prog_get+0x9b/0x290
[  372.248985]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  372.253818]  ? bpf_prog_test_run+0x130/0x1a0
[  372.258221]  ? __x64_sys_bpf+0x3d8/0x520
[  372.262279]  ? bpf_prog_get+0x20/0x20
[  372.266089]  ? do_syscall_64+0x1b9/0x820
[  372.270144]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  372.275506]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.280432]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.285447]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  372.290455]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  372.297112]  ? __switch_to_asm+0x40/0x70
[  372.301168]  ? __switch_to_asm+0x34/0x70
[  372.305232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.310072]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  372.315445] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  372.315505] aoe: skb alloc failure
[  372.322366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.322374] Call Trace:
[  372.325962] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.335231]  <IRQ>
[  372.337796] syz-executor4 cpuset=syz4 mems_allowed=0
[  372.348268]  dump_stack+0x244/0x39d
[  372.359090]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.364287]  warn_alloc.cold.116+0xb7/0x1bd
[  372.369390]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.374231]  ? lock_downgrade+0x900/0x900
[  372.378380]  ? trace_hardirqs_off+0xb8/0x310
[  372.382785]  ? trace_hardirqs_off+0xb8/0x310
[  372.387195]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.392147]  ? warn_alloc+0x120/0x120
[  372.395948]  ? print_usage_bug+0xc0/0xc0
[  372.400007]  ? warn_alloc+0x120/0x120
[  372.403808]  ? warn_alloc+0x120/0x120
[  372.407603]  ? print_usage_bug+0xc0/0xc0
[  372.411660]  ? kvm_clock_read+0x18/0x30
[  372.415634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.420642]  ? print_usage_bug+0xc0/0xc0
[  372.424709]  ? __lock_acquire+0x62f/0x4c20
[  372.428944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.434473]  ? should_fail+0x22d/0xd01
[  372.438354]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.443626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.448748]  ? __lock_acquire+0x62f/0x4c20
[  372.452984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.458082]  ? __lock_acquire+0x62f/0x4c20
[  372.462311]  ? should_fail+0x22d/0xd01
[  372.466190]  ? rcu_irq_exit+0x1a2/0x390
[  372.470167]  ? mark_held_locks+0x130/0x130
[  372.474401]  ? mark_held_locks+0x130/0x130
[  372.478632]  ? mark_held_locks+0xc7/0x130
[  372.482778]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  372.487786]  ? zap_class+0x640/0x640
[  372.491495]  ? print_usage_bug+0xc0/0xc0
[  372.495577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.501110]  ? check_preemption_disabled+0x48/0x280
[  372.506128]  ? __lock_is_held+0xb5/0x140
[  372.510187]  __alloc_pages_nodemask+0xa80/0xde0
[  372.514850]  ? zap_class+0x640/0x640
[  372.518558]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.523579]  ? find_held_lock+0x36/0x1c0
[  372.527641]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.532334]  ? lock_downgrade+0x900/0x900
[  372.536482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.542016]  cache_grow_begin+0xa5/0x8c0
[  372.546072]  ? do_raw_spin_unlock+0xa7/0x330
[  372.550478]  fallback_alloc+0x204/0x2e0
[  372.554450]  ____cache_alloc_node+0x1c7/0x1e0
[  372.558940]  kmem_cache_alloc_node+0xe3/0x730
[  372.563427]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.567690]  __alloc_skb+0x119/0x770
[  372.571397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.576696]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.581118]  ? lock_downgrade+0x900/0x900
[  372.585265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.590799]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.596246]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.601693]  ? addrconf_rs_timer+0x690/0x690
[  372.606108]  ndisc_alloc_skb+0x144/0x340
[  372.610165]  ndisc_send_rs+0x331/0x6e0
[  372.614048]  addrconf_rs_timer+0x314/0x690
[  372.618290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.622524]  call_timer_fn+0x272/0x920
[  372.626424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.630667]  ? process_timeout+0x40/0x40
[  372.634732]  ? mark_held_locks+0xc7/0x130
[  372.638888]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.643388]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.647877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.652113]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.656694]  ? trace_hardirqs_on+0xbd/0x310
[  372.661012]  ? kasan_check_read+0x11/0x20
[  372.665151]  ? __run_timers+0x7da/0xc70
[  372.669118]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.674211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.678441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.682680]  __run_timers+0x7e5/0xc70
[  372.686486]  ? timer_fixup_init+0x70/0x70
[  372.690628]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.695644]  ? zap_class+0x640/0x640
[  372.699359]  ? print_usage_bug+0xc0/0xc0
[  372.703426]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.708615]  ? find_held_lock+0x36/0x1c0
[  372.712678]  ? zap_class+0x640/0x640
[  372.716394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.721923]  ? check_preemption_disabled+0x48/0x280
[  372.726943]  ? __lock_is_held+0xb5/0x140
[  372.730998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.736527]  ? check_preemption_disabled+0x48/0x280
[  372.741541]  run_timer_softirq+0x52/0xb0
[  372.745595]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.750605]  __do_softirq+0x308/0xb7e
[  372.754402]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.758888]  ? lock_downgrade+0x900/0x900
[  372.763149]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.768248]  ? pvclock_read_flags+0x160/0x160
[  372.772734]  ? lapic_next_event+0x5a/0x90
[  372.776909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.782531]  ? kvm_clock_read+0x18/0x30
[  372.786500]  ? kvm_sched_clock_read+0x9/0x20
[  372.790901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.796431]  ? check_preemption_disabled+0x48/0x280
[  372.801447]  irq_exit+0x17f/0x1c0
[  372.804898]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.809735]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.815609]  ? interrupt_entry+0xb5/0xc0
[  372.819675]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.824694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.829709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.834547]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.839552]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.844563]  ? task_prio+0x50/0x50
[  372.848098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.853631]  ? check_preemption_disabled+0x48/0x280
[  372.858660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.863505]  apic_timer_interrupt+0xf/0x20
[  372.867725]  </IRQ>
[  372.869957] RIP: 0010:console_unlock+0x102f/0x1190
[  372.874883] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  372.893776] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  372.901480] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  372.908746] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  372.916008] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  372.923269] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  372.930533] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  372.937801]  ? netconsole_netdev_event+0x280/0x280
[  372.942726]  ? console_unlock+0x1026/0x1190
[  372.947053]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  372.951713]  ? vprintk_emit+0x846/0x990
[  372.955693]  ? lock_release+0xa00/0xa00
[  372.959660]  ? trace_hardirqs_on+0x60/0x310
[  372.963975]  ? vprintk_default+0x28/0x30
[  372.968026]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.973122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.978666]  vprintk_emit+0x391/0x990
[  372.982470]  ? wake_up_klogd+0x180/0x180
[  372.986528]  ? find_held_lock+0x1/0x1c0
[  372.990506]  ? mark_held_locks+0xc7/0x130
[  372.994656]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.999146]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.003644]  vprintk_default+0x28/0x30
[  373.007528]  vprintk_func+0x7e/0x181
[  373.011239]  printk+0xa7/0xcf
[  373.014335]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  373.019087]  ? _raw_spin_unlock_irq+0x60/0x80
[  373.023584]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  373.028858]  dump_header+0x7cc/0xf72
[  373.032571]  ? pagefault_out_of_memory+0x197/0x197
[  373.037497]  ? __lock_acquire+0x62f/0x4c20
[  373.041727]  ? percpu_ref_get_many+0x240/0x240
[  373.046302]  ? print_usage_bug+0xc0/0xc0
[  373.050360]  ? zap_class+0x640/0x640
[  373.054071]  ? print_usage_bug+0xc0/0xc0
[  373.058142]  ? zap_class+0x640/0x640
[  373.061852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.067388]  ? find_held_lock+0x36/0x1c0
[  373.071453]  ? mark_held_locks+0xc7/0x130
[  373.075597]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.080701]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.085797]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.090371]  ? trace_hardirqs_on+0xbd/0x310
[  373.094686]  ? kasan_check_read+0x11/0x20
[  373.098828]  ? ___ratelimit+0x3b4/0x672
[  373.102796]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.107889]  ? trace_hardirqs_on+0x310/0x310
[  373.112291]  ? lock_downgrade+0x900/0x900
[  373.116444]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.121540]  ? ___ratelimit+0x3b9/0x672
[  373.125510]  ? idr_get_free+0xf70/0xf70
[  373.129476]  ? find_held_lock+0x36/0x1c0
[  373.133536]  oom_kill_process.cold.27+0x10/0x903
[  373.138289]  ? zap_class+0x640/0x640
[  373.141996]  ? check_preemption_disabled+0x48/0x280
[  373.147007]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.151928]  ? kasan_check_read+0x11/0x20
[  373.156084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.161359]  ? oom_evaluate_task+0x540/0x540
[  373.165777]  ? find_held_lock+0x36/0x1c0
[  373.169837]  ? out_of_memory+0x974/0x1430
[  373.173979]  ? lock_downgrade+0x900/0x900
[  373.178123]  ? check_preemption_disabled+0x48/0x280
[  373.183138]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.188058]  ? kasan_check_read+0x11/0x20
[  373.192198]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.197492]  ? rcu_softirq_qs+0x20/0x20
[  373.201874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.207405]  ? oom_evaluate_task+0x302/0x540
[  373.211813]  out_of_memory+0xa84/0x1430
[  373.215786]  ? oom_killer_disable+0x3a0/0x3a0
[  373.220278]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  373.225207]  ? __ww_mutex_check_waiters+0x160/0x160
[  373.230228]  __alloc_pages_slowpath+0x2354/0x2e10
[  373.235086]  ? warn_alloc+0x120/0x120
[  373.238880]  ? mark_held_locks+0x130/0x130
[  373.243125]  ? find_get_entry+0xaae/0x1120
[  373.247365]  ? filemap_map_pages+0x1a20/0x1a20
[  373.251948]  ? zap_class+0x640/0x640
[  373.255667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.261200]  ? check_preemption_disabled+0x48/0x280
[  373.266210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.271739]  ? should_fail+0x22d/0xd01
[  373.275627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.280725]  ? zap_class+0x640/0x640
[  373.284455]  ? __lock_is_held+0xb5/0x140
[  373.288525]  ? mark_held_locks+0x130/0x130
[  373.292757]  ? lock_release+0xa00/0xa00
[  373.296726]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.302170]  ? xa_load+0x2ba/0x460
[  373.305708]  ? lock_downgrade+0x900/0x900
[  373.309853]  ? __might_sleep+0x95/0x190
[  373.313825]  __alloc_pages_nodemask+0xa80/0xde0
[  373.318488]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.323500]  ? __page_cache_alloc+0x191/0x5c0
[  373.327985]  ? xa_load+0x2e1/0x460
[  373.331517]  ? xa_clear_mark+0x40/0x40
[  373.335397]  ? zap_class+0x640/0x640
[  373.339114]  ? zap_class+0x640/0x640
[  373.342819]  ? zap_class+0x640/0x640
[  373.346526]  ? __do_page_cache_readahead+0x663/0x810
[  373.351630]  ? find_held_lock+0x36/0x1c0
[  373.355690]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  373.361224]  alloc_pages_current+0x173/0x350
[  373.365635]  __page_cache_alloc+0x38c/0x5c0
[  373.369954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.374875]  ? kasan_check_read+0x11/0x20
[  373.379013]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.384288]  ? generic_perform_write+0x6a0/0x6a0
[  373.389043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.394574]  ? check_preemption_disabled+0x48/0x280
[  373.399604]  filemap_fault+0x1595/0x25f0
[  373.403674]  ? __lock_page_or_retry+0xa00/0xa00
[  373.408336]  ? mark_held_locks+0x130/0x130
[  373.412570]  ? filemap_map_pages+0xd6b/0x1a20
[  373.417085]  ? lock_downgrade+0x900/0x900
[  373.421231]  ? check_preemption_disabled+0x48/0x280
[  373.426243]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.431168]  ? kasan_check_read+0x11/0x20
[  373.435320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.440607]  ? rcu_softirq_qs+0x20/0x20
[  373.444598]  ? filemap_map_pages+0xd92/0x1a20
[  373.449090]  ? print_usage_bug+0xc0/0xc0
[  373.453155]  ? find_get_entries_tag+0x1400/0x1400
[  373.457989]  ? __kasan_slab_free+0x102/0x150
[  373.462392]  ? kasan_slab_free+0xe/0x10
[  373.466357]  ? kmem_cache_free+0x83/0x290
[  373.470499]  ? __sigqueue_free.part.29+0x74/0x90
[  373.475266]  ? lock_acquire+0x1ed/0x520
[  373.479232]  ? ext4_filemap_fault+0x7a/0xad
[  373.483552]  ? lock_release+0xa00/0xa00
[  373.487518]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.492959]  ? print_usage_bug+0xc0/0xc0
[  373.497015]  ? print_usage_bug+0xc0/0xc0
[  373.501082]  ? down_read+0x8d/0x120
[  373.504704]  ? ext4_filemap_fault+0x7a/0xad
[  373.509027]  ? __down_interruptible+0x700/0x700
[  373.513698]  ext4_filemap_fault+0x82/0xad
[  373.517841]  __do_fault+0x100/0x6b0
[  373.521465]  ? pmd_devmap_trans_unstable+0x220/0x220
[  373.526567]  ? mark_held_locks+0x130/0x130
[  373.530802]  ? mark_held_locks+0x130/0x130
[  373.535035]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  373.540575]  ? rcu_pm_notify+0xc0/0xc0
[  373.544469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.550002]  __handle_mm_fault+0x3ea0/0x5be0
[  373.554412]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  373.559243]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.563731]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.568307]  ? trace_hardirqs_on+0xbd/0x310
[  373.572625]  ? kasan_check_read+0x11/0x20
[  373.576768]  ? __set_current_blocked+0xdf/0x120
[  373.581436]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.586544]  ? zap_class+0x640/0x640
[  373.590251]  ? zap_class+0x640/0x640
[  373.593977]  ? find_held_lock+0x36/0x1c0
[  373.598040]  ? handle_mm_fault+0x42a/0xc70
[  373.602281]  ? lock_downgrade+0x900/0x900
[  373.606419]  ? check_preemption_disabled+0x48/0x280
[  373.611429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.616364]  ? kasan_check_read+0x11/0x20
[  373.620520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.625787]  ? rcu_softirq_qs+0x20/0x20
[  373.629758]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.634856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.640395]  ? check_preemption_disabled+0x48/0x280
[  373.645410]  handle_mm_fault+0x54f/0xc70
[  373.649468]  ? __handle_mm_fault+0x5be0/0x5be0
[  373.654048]  ? find_vma+0x34/0x190
[  373.657594]  __do_page_fault+0x5e8/0xe60
[  373.661655]  ? exit_to_usermode_loop+0x1f4/0x380
[  373.666412]  do_page_fault+0xf2/0x7e0
[  373.670209]  ? vmalloc_sync_all+0x30/0x30
[  373.674352]  ? error_entry+0x70/0xd0
[  373.678064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.683075]  ? trace_hardirqs_on_caller+0xc0/0x310
[  373.687998]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.692923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.697758]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.702766]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.708214]  ? prepare_exit_to_usermode+0x291/0x3b0
[  373.713223]  ? page_fault+0x8/0x30
[  373.716763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.721604]  ? page_fault+0x8/0x30
[  373.725142]  page_fault+0x1e/0x30
[  373.728596] RIP: 0033:0x45db60
[  373.731801] Code: Bad RIP value.
[  373.735154] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  373.740511] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  373.747772] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  373.755031] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  373.762295] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  373.769556] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  373.776839] warn_alloc_show_mem: 1 callbacks suppressed
[  373.776848] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  373.776849] Mem-Info:
[  373.776879] active_anon:48041 inactive_anon:196 isolated_anon:0
[  373.776879]  active_file:13 inactive_file:15 isolated_file:0
[  373.776879]  unevictable:0 dirty:0 writeback:0 unstable:0
[  373.776879]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  373.776879]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  373.776879]  free:13795 free_pcp:455 free_cma:0
[  373.782215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.789484] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  373.791871] Call Trace:
[  373.824735] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  373.834075]  <IRQ>
[  373.861543] lowmem_reserve[]: 0 2818 6321 6321
[  373.864135]  dump_stack+0x244/0x39d
[  373.890206] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  373.892345]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.896891] lowmem_reserve[]: 0 0 3503 3503
[  373.900519]  warn_alloc.cold.116+0xb7/0x1bd
[  373.928240] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  373.933421]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.937709] lowmem_reserve[]: 0 0 0 0
[  373.942022]  ? lock_downgrade+0x900/0x900
[  373.970962] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  373.975796]  ? trace_hardirqs_off+0xb8/0x310
[  373.979570] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  373.983728]  ? trace_hardirqs_off+0xb8/0x310
[  373.997233] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  374.001635]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.017820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.022226]  ? warn_alloc+0x120/0x120
[  374.037356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.042179]  ? warn_alloc+0x120/0x120
[  374.050984] 272 total pagecache pages
[  374.054769]  ? warn_alloc+0x120/0x120
[  374.063322] 0 pages in swap cache
[  374.067103]  ? print_usage_bug+0xc0/0xc0
[  374.070879] Swap cache stats: add 0, delete 0, find 0/0
[  374.074661]  ? check_preemption_disabled+0x48/0x280
[  374.078088] Free swap  = 0kB
[  374.082134]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  374.087465] Total swap = 0kB
[  374.087472] 1965979 pages RAM
[  374.092474]  ? print_usage_bug+0xc0/0xc0
[  374.095464] 0 pages HighMem/MovableOnly
[  374.099942]  ? kasan_check_read+0x11/0x20
[  374.102931] 342853 pages reserved
[  374.102938] 0 pages cma reserved
[  374.106027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.110123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.114030]  ? rcu_softirq_qs+0x20/0x20
[  374.114045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.114061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.118225] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.121620]  ? should_fail+0x22d/0xd01
[  374.124953] syz-fuzzer cpuset=/ mems_allowed=0
[  374.130213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.175403]  ? __lock_acquire+0x62f/0x4c20
[  374.179636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.184727]  ? __lock_acquire+0x62f/0x4c20
[  374.188952]  ? should_fail+0x22d/0xd01
[  374.192832]  ? task_prio+0x50/0x50
[  374.196398]  ? mark_held_locks+0x130/0x130
[  374.200771]  ? mark_held_locks+0x130/0x130
[  374.204999]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  374.209748]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.214321]  ? retint_kernel+0x2d/0x2d
[  374.218201]  ? zap_class+0x640/0x640
[  374.221909]  ? print_usage_bug+0xc0/0xc0
[  374.225964]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.231407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.236935]  ? check_preemption_disabled+0x48/0x280
[  374.241955]  ? __lock_is_held+0xb5/0x140
[  374.246017]  __alloc_pages_nodemask+0xa80/0xde0
[  374.250679]  ? zap_class+0x640/0x640
[  374.254395]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.259412]  ? find_held_lock+0x36/0x1c0
[  374.263473]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.268132]  ? lock_downgrade+0x900/0x900
[  374.272280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.277815]  cache_grow_begin+0xa5/0x8c0
[  374.281869]  ? do_raw_spin_unlock+0xa7/0x330
[  374.286276]  fallback_alloc+0x204/0x2e0
[  374.290247]  ____cache_alloc_node+0x1c7/0x1e0
[  374.294740]  kmem_cache_alloc_node+0xe3/0x730
[  374.299233]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.303471]  __alloc_skb+0x119/0x770
[  374.307179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.312453]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.316854]  ? lock_downgrade+0x900/0x900
[  374.321000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.326538]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.331986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.337430]  ? addrconf_rs_timer+0x690/0x690
[  374.341841]  ndisc_alloc_skb+0x144/0x340
[  374.345896]  ndisc_send_rs+0x331/0x6e0
[  374.349784]  addrconf_rs_timer+0x314/0x690
[  374.354016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.358254]  call_timer_fn+0x272/0x920
[  374.362137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.366370]  ? process_timeout+0x40/0x40
[  374.370907]  ? __run_timers+0x7da/0xc70
[  374.374879]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.379367]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.383858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.388088]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.392664]  ? trace_hardirqs_on+0xbd/0x310
[  374.396979]  ? kasan_check_read+0x11/0x20
[  374.401116]  ? __run_timers+0x7da/0xc70
[  374.405089]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.410189]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  374.415034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.419261]  __run_timers+0x7e5/0xc70
[  374.423067]  ? timer_fixup_init+0x70/0x70
[  374.427209]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.432218]  ? zap_class+0x640/0x640
[  374.435928]  ? enqueue_hrtimer+0x1a5/0x560
[  374.440156]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.445347]  ? find_held_lock+0x36/0x1c0
[  374.449404]  ? zap_class+0x640/0x640
[  374.453116]  ? pvclock_read_flags+0x160/0x160
[  374.457609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.463140]  ? check_preemption_disabled+0x48/0x280
[  374.468157]  ? __lock_is_held+0xb5/0x140
[  374.472213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.477745]  ? check_preemption_disabled+0x48/0x280
[  374.482756]  run_timer_softirq+0x52/0xb0
[  374.486810]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.491821]  __do_softirq+0x308/0xb7e
[  374.495617]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  374.500108]  ? lock_downgrade+0x900/0x900
[  374.504258]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.509359]  ? pvclock_read_flags+0x160/0x160
[  374.513850]  ? lapic_next_event+0x5a/0x90
[  374.517993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.523532]  ? kvm_clock_read+0x18/0x30
[  374.527509]  ? kvm_sched_clock_read+0x9/0x20
[  374.531910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.537437]  ? check_preemption_disabled+0x48/0x280
[  374.542457]  irq_exit+0x17f/0x1c0
[  374.545904]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.550740]  ? smp_reschedule_interrupt+0x109/0x650
[  374.555754]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.561635]  ? interrupt_entry+0xb5/0xc0
[  374.565691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.570697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.575706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.580543]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.585551]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.590574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.595420]  apic_timer_interrupt+0xf/0x20
[  374.599661]  </IRQ>
[  374.601890] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  374.606814] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  374.625707] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  374.633404] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  374.640664] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  374.647924] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  374.655183] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  374.662444] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  374.669736]  skb_clone+0x1bb/0x500
[  374.673272]  ? finish_task_switch+0x2f4/0x910
[  374.677763]  ? skb_split+0x11e0/0x11e0
[  374.681645]  ? preempt_notifier_register+0x200/0x200
[  374.686737]  ? __switch_to_asm+0x34/0x70
[  374.690792]  ? __switch_to_asm+0x34/0x70
[  374.694843]  ? __switch_to_asm+0x40/0x70
[  374.698897]  ? __switch_to_asm+0x34/0x70
[  374.702947]  ? __switch_to_asm+0x40/0x70
[  374.707001]  ? __switch_to_asm+0x34/0x70
[  374.711057]  ? __switch_to_asm+0x40/0x70
[  374.715123]  ? __switch_to_asm+0x34/0x70
[  374.719178]  ? __switch_to_asm+0x34/0x70
[  374.723239]  ? __switch_to_asm+0x40/0x70
[  374.727287]  ? __switch_to_asm+0x34/0x70
[  374.731342]  bpf_clone_redirect+0xb9/0x490
[  374.735574]  ? __schedule+0x8d7/0x21d0
[  374.739453]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  374.744463]  ? __sched_text_start+0x8/0x8
[  374.748610]  ? retint_kernel+0x2d/0x2d
[  374.752502]  ? find_held_lock+0x36/0x1c0
[  374.756559]  ? lock_acquire+0x1ed/0x520
[  374.760527]  ? bpf_test_run+0x3cb/0x780
[  374.764500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.770037]  ? check_preemption_disabled+0x48/0x280
[  374.775053]  ? kasan_check_read+0x11/0x20
[  374.779193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.784459]  ? rcu_softirq_qs+0x20/0x20
[  374.788446]  ? preempt_schedule+0x4d/0x60
[  374.792608]  ? ___preempt_schedule+0x16/0x18
[  374.797016]  ? bpf_test_run+0x25d/0x780
[  374.800997]  ? netlink_diag_dump+0x2a0/0x2a0
[  374.805403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.810929]  ? bpf_test_init.isra.10+0x70/0x100
[  374.815599]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  374.820357]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.825188]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  374.830714]  ? fput+0x130/0x1a0
[  374.833983]  ? __bpf_prog_get+0x9b/0x290
[  374.838045]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.842880]  ? bpf_prog_test_run+0x130/0x1a0
[  374.847283]  ? __x64_sys_bpf+0x3d8/0x520
[  374.851338]  ? bpf_prog_get+0x20/0x20
[  374.855145]  ? do_syscall_64+0x1b9/0x820
[  374.859208]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.864565]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.869498]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.874513]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  374.879521]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  374.886176]  ? __switch_to_asm+0x40/0x70
[  374.890230]  ? __switch_to_asm+0x34/0x70
[  374.894289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.899152]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.904525] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  374.904588] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.911447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.911454] Call Trace:
[  374.918076] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.927277]  <IRQ>
[  374.929835] syz-executor4 cpuset=syz4 mems_allowed=0
[  374.940302]  dump_stack+0x244/0x39d
[  374.951152]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.956344]  warn_alloc.cold.116+0xb7/0x1bd
[  374.960659]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.965498]  ? lock_downgrade+0x900/0x900
[  374.969662]  ? trace_hardirqs_off+0xb8/0x310
[  374.974069]  ? trace_hardirqs_off+0xb8/0x310
[  374.978487]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.983348]  ? warn_alloc+0x120/0x120
[  374.987142]  ? print_usage_bug+0xc0/0xc0
[  374.991191]  ? warn_alloc+0x120/0x120
[  374.994986]  ? warn_alloc+0x120/0x120
[  374.998783]  ? print_usage_bug+0xc0/0xc0
[  375.002842]  ? print_usage_bug+0xc0/0xc0
[  375.006895]  ? __lock_acquire+0x62f/0x4c20
[  375.011129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.016660]  ? should_fail+0x22d/0xd01
[  375.020541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.025636]  ? __lock_acquire+0x62f/0x4c20
[  375.029866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.034961]  ? __lock_acquire+0x62f/0x4c20
[  375.039189]  ? should_fail+0x22d/0xd01
[  375.043069]  ? find_held_lock+0x36/0x1c0
[  375.047132]  ? mark_held_locks+0x130/0x130
[  375.051364]  ? mark_held_locks+0x130/0x130
[  375.055585]  ? zap_class+0x640/0x640
[  375.059292]  ? zap_class+0x640/0x640
[  375.063002]  ? print_usage_bug+0xc0/0xc0
[  375.067059]  ? do_raw_spin_unlock+0xa7/0x330
[  375.071478]  ? zap_class+0x640/0x640
[  375.075188]  ? print_usage_bug+0xc0/0xc0
[  375.079241]  ? wq_watchdog_touch+0x9c/0xfe
[  375.083477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.089013]  ? check_preemption_disabled+0x48/0x280
[  375.094034]  ? __lock_is_held+0xb5/0x140
[  375.098094]  __alloc_pages_nodemask+0xa80/0xde0
[  375.102754]  ? zap_class+0x640/0x640
[  375.106480]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.111521]  ? find_held_lock+0x36/0x1c0
[  375.115589]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.120252]  ? lock_downgrade+0x900/0x900
[  375.124402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.129941]  cache_grow_begin+0xa5/0x8c0
[  375.134016]  ? do_raw_spin_unlock+0xa7/0x330
[  375.138424]  fallback_alloc+0x204/0x2e0
[  375.142405]  ____cache_alloc_node+0x1c7/0x1e0
[  375.146897]  kmem_cache_alloc_node+0xe3/0x730
[  375.151388]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.155623]  __alloc_skb+0x119/0x770
[  375.159329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.164606]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.169007]  ? lock_downgrade+0x900/0x900
[  375.173155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.178689]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.184138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.189581]  ? addrconf_rs_timer+0x690/0x690
[  375.193996]  ndisc_alloc_skb+0x144/0x340
[  375.198054]  ndisc_send_rs+0x331/0x6e0
[  375.201940]  addrconf_rs_timer+0x314/0x690
[  375.206170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.210407]  call_timer_fn+0x272/0x920
[  375.214288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.218521]  ? process_timeout+0x40/0x40
[  375.222582]  ? mark_held_locks+0xc7/0x130
[  375.226727]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.231217]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.235706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.239937]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.244521]  ? trace_hardirqs_on+0xbd/0x310
[  375.248833]  ? kasan_check_read+0x11/0x20
[  375.252973]  ? __run_timers+0x7da/0xc70
[  375.256942]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.262041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.266275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.270505]  __run_timers+0x7e5/0xc70
[  375.274312]  ? timer_fixup_init+0x70/0x70
[  375.278469]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.283482]  ? zap_class+0x640/0x640
[  375.287201]  ? print_usage_bug+0xc0/0xc0
[  375.291254]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.296451]  ? find_held_lock+0x36/0x1c0
[  375.300511]  ? zap_class+0x640/0x640
[  375.304220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.309750]  ? check_preemption_disabled+0x48/0x280
[  375.314769]  ? __lock_is_held+0xb5/0x140
[  375.318821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.324348]  ? check_preemption_disabled+0x48/0x280
[  375.329359]  run_timer_softirq+0x52/0xb0
[  375.333414]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.338441]  __do_softirq+0x308/0xb7e
[  375.342247]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.346743]  ? lock_downgrade+0x900/0x900
[  375.350886]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.355992]  ? pvclock_read_flags+0x160/0x160
[  375.360489]  ? lapic_next_event+0x5a/0x90
[  375.364635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.370168]  ? kvm_clock_read+0x18/0x30
[  375.374138]  ? kvm_sched_clock_read+0x9/0x20
[  375.378538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.384065]  ? check_preemption_disabled+0x48/0x280
[  375.389080]  irq_exit+0x17f/0x1c0
[  375.392528]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.397365]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.403242]  ? interrupt_entry+0xb5/0xc0
[  375.407302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.412310]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.417319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.422159]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.427170]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.432174]  ? task_prio+0x50/0x50
[  375.435703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.441243]  ? check_preemption_disabled+0x48/0x280
[  375.446250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.451093]  apic_timer_interrupt+0xf/0x20
[  375.455313]  </IRQ>
[  375.457545] RIP: 0010:console_unlock+0x102f/0x1190
[  375.462467] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  375.481363] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  375.489065] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  375.496335] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  375.503598] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  375.510863] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  375.518121] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  375.525388]  ? netconsole_netdev_event+0x280/0x280
[  375.530321]  ? console_unlock+0x1026/0x1190
[  375.534652]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  375.539311]  ? vprintk_emit+0x846/0x990
[  375.543278]  ? lock_release+0xa00/0xa00
[  375.547244]  ? trace_hardirqs_on+0x60/0x310
[  375.551560]  ? vprintk_default+0x28/0x30
[  375.555615]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.560721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.566257]  vprintk_emit+0x391/0x990
[  375.570054]  ? wake_up_klogd+0x180/0x180
[  375.574111]  ? find_held_lock+0x1/0x1c0
[  375.578091]  ? mark_held_locks+0xc7/0x130
[  375.582234]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.586724]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.591231]  vprintk_default+0x28/0x30
[  375.595112]  vprintk_func+0x7e/0x181
[  375.598817]  printk+0xa7/0xcf
[  375.601916]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  375.606682]  ? _raw_spin_unlock_irq+0x60/0x80
[  375.611176]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  375.616495]  dump_header+0x7cc/0xf72
[  375.620207]  ? pagefault_out_of_memory+0x197/0x197
[  375.625124]  ? __lock_acquire+0x62f/0x4c20
[  375.629350]  ? percpu_ref_get_many+0x240/0x240
[  375.633927]  ? print_usage_bug+0xc0/0xc0
[  375.637988]  ? zap_class+0x640/0x640
[  375.641697]  ? print_usage_bug+0xc0/0xc0
[  375.645745]  ? zap_class+0x640/0x640
[  375.649447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.654982]  ? find_held_lock+0x36/0x1c0
[  375.659040]  ? mark_held_locks+0xc7/0x130
[  375.663181]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.668296]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.673395]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.677974]  ? trace_hardirqs_on+0xbd/0x310
[  375.682290]  ? kasan_check_read+0x11/0x20
[  375.686433]  ? ___ratelimit+0x3b4/0x672
[  375.690404]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.695507]  ? trace_hardirqs_on+0x310/0x310
[  375.699912]  ? lock_downgrade+0x900/0x900
[  375.704053]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.709147]  ? ___ratelimit+0x3b9/0x672
[  375.713115]  ? idr_get_free+0xf70/0xf70
[  375.717076]  ? find_held_lock+0x36/0x1c0
[  375.721134]  oom_kill_process.cold.27+0x10/0x903
[  375.725889]  ? zap_class+0x640/0x640
[  375.729591]  ? check_preemption_disabled+0x48/0x280
[  375.734599]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.739522]  ? kasan_check_read+0x11/0x20
[  375.743673]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.749059]  ? oom_evaluate_task+0x540/0x540
[  375.753464]  ? find_held_lock+0x36/0x1c0
[  375.757526]  ? out_of_memory+0x974/0x1430
[  375.761668]  ? lock_downgrade+0x900/0x900
[  375.765810]  ? check_preemption_disabled+0x48/0x280
[  375.770818]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.775738]  ? kasan_check_read+0x11/0x20
[  375.779887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.785160]  ? rcu_softirq_qs+0x20/0x20
[  375.789208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.794818]  ? oom_evaluate_task+0x302/0x540
[  375.799216]  out_of_memory+0xa84/0x1430
[  375.803185]  ? oom_killer_disable+0x3a0/0x3a0
[  375.807672]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  375.812595]  ? __ww_mutex_check_waiters+0x160/0x160
[  375.817613]  __alloc_pages_slowpath+0x2354/0x2e10
[  375.822470]  ? warn_alloc+0x120/0x120
[  375.826259]  ? mark_held_locks+0x130/0x130
[  375.830490]  ? find_get_entry+0xaae/0x1120
[  375.834731]  ? filemap_map_pages+0x1a20/0x1a20
[  375.839305]  ? zap_class+0x640/0x640
[  375.843010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.848537]  ? check_preemption_disabled+0x48/0x280
[  375.853546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.859072]  ? should_fail+0x22d/0xd01
[  375.862955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.868053]  ? zap_class+0x640/0x640
[  375.871778]  ? __lock_is_held+0xb5/0x140
[  375.875836]  ? mark_held_locks+0x130/0x130
[  375.880065]  ? lock_release+0xa00/0xa00
[  375.884031]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.889474]  ? xa_load+0x2ba/0x460
[  375.893010]  ? lock_downgrade+0x900/0x900
[  375.897155]  ? __might_sleep+0x95/0x190
[  375.901122]  __alloc_pages_nodemask+0xa80/0xde0
[  375.905788]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.910810]  ? __page_cache_alloc+0x191/0x5c0
[  375.915293]  ? xa_load+0x2e1/0x460
[  375.918825]  ? xa_clear_mark+0x40/0x40
[  375.922702]  ? zap_class+0x640/0x640
[  375.926419]  ? zap_class+0x640/0x640
[  375.930128]  ? zap_class+0x640/0x640
[  375.933836]  ? __do_page_cache_readahead+0x663/0x810
[  375.938938]  ? find_held_lock+0x36/0x1c0
[  375.942993]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  375.948530]  alloc_pages_current+0x173/0x350
[  375.952953]  __page_cache_alloc+0x38c/0x5c0
[  375.957266]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.962182]  ? kasan_check_read+0x11/0x20
[  375.966316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.971600]  ? generic_perform_write+0x6a0/0x6a0
[  375.976350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.981882]  ? check_preemption_disabled+0x48/0x280
[  375.986898]  filemap_fault+0x1595/0x25f0
[  375.990964]  ? __lock_page_or_retry+0xa00/0xa00
[  375.995628]  ? mark_held_locks+0x130/0x130
[  375.999984]  ? filemap_map_pages+0xd6b/0x1a20
[  376.004474]  ? lock_downgrade+0x900/0x900
[  376.008617]  ? check_preemption_disabled+0x48/0x280
[  376.013627]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.018545]  ? kasan_check_read+0x11/0x20
[  376.022682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.027950]  ? rcu_softirq_qs+0x20/0x20
[  376.031931]  ? filemap_map_pages+0xd92/0x1a20
[  376.036427]  ? print_usage_bug+0xc0/0xc0
[  376.040486]  ? find_get_entries_tag+0x1400/0x1400
[  376.045322]  ? __kasan_slab_free+0x102/0x150
[  376.049722]  ? kasan_slab_free+0xe/0x10
[  376.053685]  ? kmem_cache_free+0x83/0x290
[  376.057823]  ? __sigqueue_free.part.29+0x74/0x90
[  376.062584]  ? lock_acquire+0x1ed/0x520
[  376.066548]  ? ext4_filemap_fault+0x7a/0xad
[  376.070878]  ? lock_release+0xa00/0xa00
[  376.074842]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.080284]  ? print_usage_bug+0xc0/0xc0
[  376.084337]  ? print_usage_bug+0xc0/0xc0
[  376.088407]  ? down_read+0x8d/0x120
[  376.092025]  ? ext4_filemap_fault+0x7a/0xad
[  376.096334]  ? __down_interruptible+0x700/0x700
[  376.101001]  ext4_filemap_fault+0x82/0xad
[  376.105138]  __do_fault+0x100/0x6b0
[  376.108776]  ? pmd_devmap_trans_unstable+0x220/0x220
[  376.113887]  ? mark_held_locks+0x130/0x130
[  376.118111]  ? mark_held_locks+0x130/0x130
[  376.122349]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  376.127886]  ? rcu_pm_notify+0xc0/0xc0
[  376.131770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.137405]  __handle_mm_fault+0x3ea0/0x5be0
[  376.141816]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  376.146668]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.151153]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.155728]  ? trace_hardirqs_on+0xbd/0x310
[  376.160043]  ? kasan_check_read+0x11/0x20
[  376.164183]  ? __set_current_blocked+0xdf/0x120
[  376.168846]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.173948]  ? zap_class+0x640/0x640
[  376.177657]  ? zap_class+0x640/0x640
[  376.181375]  ? find_held_lock+0x36/0x1c0
[  376.185442]  ? handle_mm_fault+0x42a/0xc70
[  376.189673]  ? lock_downgrade+0x900/0x900
[  376.193815]  ? check_preemption_disabled+0x48/0x280
[  376.198828]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.204174]  ? kasan_check_read+0x11/0x20
[  376.208321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.213589]  ? rcu_softirq_qs+0x20/0x20
[  376.217575]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.222671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.228205]  ? check_preemption_disabled+0x48/0x280
[  376.233224]  handle_mm_fault+0x54f/0xc70
[  376.237290]  ? __handle_mm_fault+0x5be0/0x5be0
[  376.241868]  ? find_vma+0x34/0x190
[  376.245415]  __do_page_fault+0x5e8/0xe60
[  376.249469]  ? exit_to_usermode_loop+0x1f4/0x380
[  376.254223]  do_page_fault+0xf2/0x7e0
[  376.258017]  ? vmalloc_sync_all+0x30/0x30
[  376.262155]  ? error_entry+0x70/0xd0
[  376.265862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.270870]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.275791]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.280712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.285551]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.290561]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.296008]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.301014]  ? page_fault+0x8/0x30
[  376.304553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.309408]  ? page_fault+0x8/0x30
[  376.312943]  page_fault+0x1e/0x30
[  376.316387] RIP: 0033:0x45db60
[  376.319609] Code: Bad RIP value.
[  376.322965] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  376.328318] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  376.335575] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  376.342832] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  376.350093] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  376.357357] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  376.365404] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  376.365408] warn_alloc_show_mem: 1 callbacks suppressed
[  376.365415] Mem-Info:
[  376.373167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.378527] active_anon:48041 inactive_anon:196 isolated_anon:0
[  376.378527]  active_file:13 inactive_file:15 isolated_file:0
[  376.378527]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.378527]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  376.378527]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  376.378527]  free:13795 free_pcp:455 free_cma:0
[  376.380897] Call Trace:
[  376.390264] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.423099]  <IRQ>
[  376.425659] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  376.453061]  dump_stack+0x244/0x39d
[  376.455177] lowmem_reserve[]: 0 2818 6321 6321
[  376.481275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.484868] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  376.489450]  warn_alloc.cold.116+0xb7/0x1bd
[  376.494600] lowmem_reserve[]: 0 0 3503 3503
[  376.522352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.526641] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  376.530955]  ? lock_downgrade+0x900/0x900
[  376.535762] lowmem_reserve[]: 0 0 0 0
[  376.564732]  ? trace_hardirqs_off+0xb8/0x310
[  376.568847] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  376.572640]  ? trace_hardirqs_off+0xb8/0x310
[  376.577008] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  376.590532]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.594909] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  376.611132]  ? warn_alloc+0x120/0x120
[  376.615931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  376.631085]  ? print_usage_bug+0xc0/0xc0
[  376.634856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  376.643670]  ? warn_alloc+0x120/0x120
[  376.647702] 272 total pagecache pages
[  376.656259]  ? warn_alloc+0x120/0x120
[  376.660039] 0 pages in swap cache
[  376.663820]  ? print_usage_bug+0xc0/0xc0
[  376.667590] Swap cache stats: add 0, delete 0, find 0/0
[  376.671025]  ? kvm_clock_read+0x18/0x30
[  376.675055] Free swap  = 0kB
[  376.680409]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  376.684351] Total swap = 0kB
[  376.687361]  ? print_usage_bug+0xc0/0xc0
[  376.692372] 1965979 pages RAM
[  376.695372]  ? __lock_acquire+0x62f/0x4c20
[  376.699404] 0 pages HighMem/MovableOnly
[  376.702494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.706694] 342853 pages reserved
[  376.710651]  ? should_fail+0x22d/0xd01
[  376.716153] 0 pages cma reserved
[  376.719604]  ? __lock_acquire+0x62f/0x4c20
[  376.723515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.726810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.731061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.737486]  ? __lock_acquire+0x62f/0x4c20
[  376.742555] syz-fuzzer cpuset=/ mems_allowed=0
[  376.752761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.766611]  ? __lock_acquire+0x62f/0x4c20
[  376.770838]  ? should_fail+0x22d/0xd01
[  376.774734]  ? mark_held_locks+0x130/0x130
[  376.779328]  ? mark_held_locks+0x130/0x130
[  376.783566]  ? zap_class+0x640/0x640
[  376.787274]  ? print_usage_bug+0xc0/0xc0
[  376.791340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.796875]  ? check_preemption_disabled+0x48/0x280
[  376.801900]  ? __lock_is_held+0xb5/0x140
[  376.805962]  __alloc_pages_nodemask+0xa80/0xde0
[  376.810621]  ? zap_class+0x640/0x640
[  376.814336]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.819362]  ? find_held_lock+0x36/0x1c0
[  376.823423]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.828088]  ? lock_downgrade+0x900/0x900
[  376.832235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.837768]  cache_grow_begin+0xa5/0x8c0
[  376.841817]  ? do_raw_spin_unlock+0xa7/0x330
[  376.846225]  fallback_alloc+0x204/0x2e0
[  376.850198]  ____cache_alloc_node+0x1c7/0x1e0
[  376.854688]  kmem_cache_alloc_node+0xe3/0x730
[  376.859174]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.863411]  __alloc_skb+0x119/0x770
[  376.867113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.872386]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.876788]  ? lock_downgrade+0x900/0x900
[  376.880938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.886471]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.891918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.897364]  ? addrconf_rs_timer+0x690/0x690
[  376.901778]  ndisc_alloc_skb+0x144/0x340
[  376.905849]  ndisc_send_rs+0x331/0x6e0
[  376.909736]  addrconf_rs_timer+0x314/0x690
[  376.913968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.918224]  call_timer_fn+0x272/0x920
[  376.922103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.926337]  ? process_timeout+0x40/0x40
[  376.930395]  ? __run_timers+0x7da/0xc70
[  376.934362]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.938853]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.943344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.947577]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.952167]  ? trace_hardirqs_on+0xbd/0x310
[  376.956480]  ? kasan_check_read+0x11/0x20
[  376.960621]  ? __run_timers+0x7da/0xc70
[  376.964592]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.969700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.973942]  __run_timers+0x7e5/0xc70
[  376.977742]  ? timer_fixup_init+0x70/0x70
[  376.981883]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.986892]  ? zap_class+0x640/0x640
[  376.990602]  ? enqueue_hrtimer+0x1a5/0x560
[  376.994831]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.000024]  ? find_held_lock+0x36/0x1c0
[  377.004085]  ? zap_class+0x640/0x640
[  377.007796]  ? pvclock_read_flags+0x160/0x160
[  377.012286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.017838]  ? check_preemption_disabled+0x48/0x280
[  377.022867]  ? __lock_is_held+0xb5/0x140
[  377.026937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.032478]  ? check_preemption_disabled+0x48/0x280
[  377.037490]  run_timer_softirq+0x52/0xb0
[  377.041562]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.046575]  __do_softirq+0x308/0xb7e
[  377.050375]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.054861]  ? lock_downgrade+0x900/0x900
[  377.059018]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.064122]  ? pvclock_read_flags+0x160/0x160
[  377.068612]  ? lapic_next_event+0x5a/0x90
[  377.072766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.078305]  ? kvm_clock_read+0x18/0x30
[  377.082267]  ? kvm_sched_clock_read+0x9/0x20
[  377.086672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.092204]  ? check_preemption_disabled+0x48/0x280
[  377.097220]  irq_exit+0x17f/0x1c0
[  377.100670]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.105504]  ? smp_reschedule_interrupt+0x109/0x650
[  377.110514]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.116391]  ? interrupt_entry+0xb5/0xc0
[  377.120448]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.125457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.130483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.135334]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.140342]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.145361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.150202]  apic_timer_interrupt+0xf/0x20
[  377.154420]  </IRQ>
[  377.156663] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  377.161585] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  377.180484] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.188178] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.195434] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  377.202693] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  377.209951] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  377.217208] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  377.224496]  skb_clone+0x1bb/0x500
[  377.228030]  ? finish_task_switch+0x2f4/0x910
[  377.232521]  ? skb_split+0x11e0/0x11e0
[  377.236403]  ? preempt_notifier_register+0x200/0x200
[  377.241492]  ? __switch_to_asm+0x34/0x70
[  377.245543]  ? __switch_to_asm+0x34/0x70
[  377.249595]  ? __switch_to_asm+0x40/0x70
[  377.253648]  ? __switch_to_asm+0x34/0x70
[  377.257699]  ? __switch_to_asm+0x40/0x70
[  377.261750]  ? __switch_to_asm+0x34/0x70
[  377.265799]  ? __switch_to_asm+0x40/0x70
[  377.269858]  ? __switch_to_asm+0x34/0x70
[  377.273911]  ? __switch_to_asm+0x34/0x70
[  377.277959]  ? __switch_to_asm+0x40/0x70
[  377.282012]  ? __switch_to_asm+0x34/0x70
[  377.286067]  bpf_clone_redirect+0xb9/0x490
[  377.290303]  ? __schedule+0x8d7/0x21d0
[  377.294188]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  377.299197]  ? __sched_text_start+0x8/0x8
[  377.303336]  ? retint_kernel+0x2d/0x2d
[  377.307237]  ? find_held_lock+0x36/0x1c0
[  377.311302]  ? lock_acquire+0x1ed/0x520
[  377.315449]  ? bpf_test_run+0x3cb/0x780
[  377.319418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.324947]  ? check_preemption_disabled+0x48/0x280
[  377.329962]  ? kasan_check_read+0x11/0x20
[  377.334111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.339380]  ? rcu_softirq_qs+0x20/0x20
[  377.343359]  ? preempt_schedule+0x4d/0x60
[  377.347497]  ? ___preempt_schedule+0x16/0x18
[  377.351922]  ? bpf_test_run+0x25d/0x780
[  377.355898]  ? netlink_diag_dump+0x2a0/0x2a0
[  377.360306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.365839]  ? bpf_test_init.isra.10+0x70/0x100
[  377.370509]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  377.375265]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  377.380104]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  377.385635]  ? fput+0x130/0x1a0
[  377.388909]  ? __bpf_prog_get+0x9b/0x290
[  377.392964]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  377.397800]  ? bpf_prog_test_run+0x130/0x1a0
[  377.402205]  ? __x64_sys_bpf+0x3d8/0x520
[  377.406262]  ? bpf_prog_get+0x20/0x20
[  377.410079]  ? do_syscall_64+0x1b9/0x820
[  377.414137]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  377.419496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.424423]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.429431]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  377.434440]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  377.441096]  ? __switch_to_asm+0x40/0x70
[  377.445163]  ? __switch_to_asm+0x34/0x70
[  377.449219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.454083]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  377.459453] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  377.459510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.466371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.466375] Call Trace:
[  377.466380]  <IRQ>
[  377.466395]  dump_stack+0x244/0x39d
[  377.466413]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.472920] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.482226]  warn_alloc.cold.116+0xb7/0x1bd
[  377.484775] syz-executor4 cpuset=syz4 mems_allowed=0
[  377.486924]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.520368]  ? lock_downgrade+0x900/0x900
[  377.524515]  ? trace_hardirqs_off+0xb8/0x310
[  377.528925]  ? trace_hardirqs_off+0xb8/0x310
[  377.533334]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.538195]  ? warn_alloc+0x120/0x120
[  377.541991]  ? print_usage_bug+0xc0/0xc0
[  377.546062]  ? warn_alloc+0x120/0x120
[  377.549865]  ? warn_alloc+0x120/0x120
[  377.553657]  ? print_usage_bug+0xc0/0xc0
[  377.557715]  ? print_usage_bug+0xc0/0xc0
[  377.561771]  ? __lock_acquire+0x62f/0x4c20
[  377.566005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.571537]  ? should_fail+0x22d/0xd01
[  377.575421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.580514]  ? __lock_acquire+0x62f/0x4c20
[  377.584762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.589858]  ? __lock_acquire+0x62f/0x4c20
[  377.594096]  ? should_fail+0x22d/0xd01
[  377.597976]  ? find_held_lock+0x36/0x1c0
[  377.602039]  ? mark_held_locks+0x130/0x130
[  377.606291]  ? mark_held_locks+0x130/0x130
[  377.610517]  ? zap_class+0x640/0x640
[  377.614244]  ? zap_class+0x640/0x640
[  377.617962]  ? print_usage_bug+0xc0/0xc0
[  377.622010]  ? do_raw_spin_unlock+0xa7/0x330
[  377.626408]  ? zap_class+0x640/0x640
[  377.630119]  ? print_usage_bug+0xc0/0xc0
[  377.634171]  ? wq_watchdog_touch+0x9c/0xfe
[  377.638397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.643939]  ? check_preemption_disabled+0x48/0x280
[  377.648953]  ? __lock_is_held+0xb5/0x140
[  377.653011]  __alloc_pages_nodemask+0xa80/0xde0
[  377.657672]  ? zap_class+0x640/0x640
[  377.661387]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.666405]  ? find_held_lock+0x36/0x1c0
[  377.670465]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.675127]  ? lock_downgrade+0x900/0x900
[  377.679275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.684828]  cache_grow_begin+0xa5/0x8c0
[  377.688880]  ? do_raw_spin_unlock+0xa7/0x330
[  377.693284]  fallback_alloc+0x204/0x2e0
[  377.697270]  ____cache_alloc_node+0x1c7/0x1e0
[  377.701770]  kmem_cache_alloc_node+0xe3/0x730
[  377.706268]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.710509]  __alloc_skb+0x119/0x770
[  377.714232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.719513]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.723910]  ? lock_downgrade+0x900/0x900
[  377.728051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.733584]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.739029]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.744471]  ? addrconf_rs_timer+0x690/0x690
[  377.748901]  ndisc_alloc_skb+0x144/0x340
[  377.753045]  ndisc_send_rs+0x331/0x6e0
[  377.756932]  addrconf_rs_timer+0x314/0x690
[  377.761168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.765400]  call_timer_fn+0x272/0x920
[  377.769277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.773510]  ? process_timeout+0x40/0x40
[  377.777570]  ? mark_held_locks+0xc7/0x130
[  377.781714]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.786199]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.790682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.794904]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.799476]  ? trace_hardirqs_on+0xbd/0x310
[  377.803786]  ? kasan_check_read+0x11/0x20
[  377.807925]  ? __run_timers+0x7da/0xc70
[  377.811891]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.816987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.821217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.825467]  __run_timers+0x7e5/0xc70
[  377.829273]  ? timer_fixup_init+0x70/0x70
[  377.833422]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.838439]  ? zap_class+0x640/0x640
[  377.842149]  ? print_usage_bug+0xc0/0xc0
[  377.846203]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.851399]  ? find_held_lock+0x36/0x1c0
[  377.855464]  ? zap_class+0x640/0x640
[  377.859173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.864700]  ? check_preemption_disabled+0x48/0x280
[  377.869714]  ? __lock_is_held+0xb5/0x140
[  377.873768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.879301]  ? check_preemption_disabled+0x48/0x280
[  377.884313]  run_timer_softirq+0x52/0xb0
[  377.888364]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.893370]  __do_softirq+0x308/0xb7e
[  377.897165]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.901652]  ? lock_downgrade+0x900/0x900
[  377.905799]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.910912]  ? pvclock_read_flags+0x160/0x160
[  377.915403]  ? lapic_next_event+0x5a/0x90
[  377.919545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.925080]  ? kvm_clock_read+0x18/0x30
[  377.929047]  ? kvm_sched_clock_read+0x9/0x20
[  377.933453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.938985]  ? check_preemption_disabled+0x48/0x280
[  377.943999]  irq_exit+0x17f/0x1c0
[  377.947479]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.952314]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.958190]  ? interrupt_entry+0xb5/0xc0
[  377.962250]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.967268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.972282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.977118]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.982138]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.987145]  ? task_prio+0x50/0x50
[  377.990679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.996210]  ? check_preemption_disabled+0x48/0x280
[  378.001259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.006119]  apic_timer_interrupt+0xf/0x20
[  378.010337]  </IRQ>
[  378.012563] RIP: 0010:console_unlock+0x102f/0x1190
[  378.017481] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  378.036371] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  378.044067] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  378.051328] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  378.058588] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  378.065849] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  378.073237] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  378.080506]  ? netconsole_netdev_event+0x280/0x280
[  378.085434]  ? console_unlock+0x1026/0x1190
[  378.089764]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  378.094422]  ? vprintk_emit+0x846/0x990
[  378.098391]  ? lock_release+0xa00/0xa00
[  378.102356]  ? trace_hardirqs_on+0x60/0x310
[  378.106667]  ? vprintk_default+0x28/0x30
[  378.110720]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.115818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.121355]  vprintk_emit+0x391/0x990
[  378.125242]  ? wake_up_klogd+0x180/0x180
[  378.129297]  ? find_held_lock+0x1/0x1c0
[  378.133276]  ? mark_held_locks+0xc7/0x130
[  378.137418]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.141904]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.146397]  vprintk_default+0x28/0x30
[  378.150282]  vprintk_func+0x7e/0x181
[  378.153988]  printk+0xa7/0xcf
[  378.157103]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  378.161853]  ? _raw_spin_unlock_irq+0x60/0x80
[  378.166349]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  378.171621]  dump_header+0x7cc/0xf72
[  378.175334]  ? pagefault_out_of_memory+0x197/0x197
[  378.180291]  ? __lock_acquire+0x62f/0x4c20
[  378.184515]  ? percpu_ref_get_many+0x240/0x240
[  378.189089]  ? print_usage_bug+0xc0/0xc0
[  378.193152]  ? zap_class+0x640/0x640
[  378.196862]  ? print_usage_bug+0xc0/0xc0
[  378.201424]  ? zap_class+0x640/0x640
[  378.205138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.210674]  ? find_held_lock+0x36/0x1c0
[  378.214735]  ? mark_held_locks+0xc7/0x130
[  378.218879]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.223974]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.229071]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.233649]  ? trace_hardirqs_on+0xbd/0x310
[  378.237963]  ? kasan_check_read+0x11/0x20
[  378.242104]  ? ___ratelimit+0x3b4/0x672
[  378.246073]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.251170]  ? trace_hardirqs_on+0x310/0x310
[  378.255578]  ? lock_downgrade+0x900/0x900
[  378.259743]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.264839]  ? ___ratelimit+0x3b9/0x672
[  378.268823]  ? idr_get_free+0xf70/0xf70
[  378.272787]  ? find_held_lock+0x36/0x1c0
[  378.276850]  oom_kill_process.cold.27+0x10/0x903
[  378.281595]  ? zap_class+0x640/0x640
[  378.285302]  ? check_preemption_disabled+0x48/0x280
[  378.290312]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.295235]  ? kasan_check_read+0x11/0x20
[  378.299379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.304648]  ? oom_evaluate_task+0x540/0x540
[  378.309051]  ? find_held_lock+0x36/0x1c0
[  378.313113]  ? out_of_memory+0x974/0x1430
[  378.317261]  ? lock_downgrade+0x900/0x900
[  378.321399]  ? check_preemption_disabled+0x48/0x280
[  378.326407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.331326]  ? kasan_check_read+0x11/0x20
[  378.335463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.340731]  ? rcu_softirq_qs+0x20/0x20
[  378.344704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.350229]  ? oom_evaluate_task+0x302/0x540
[  378.354636]  out_of_memory+0xa84/0x1430
[  378.358609]  ? oom_killer_disable+0x3a0/0x3a0
[  378.363097]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  378.368184]  ? __ww_mutex_check_waiters+0x160/0x160
[  378.373221]  __alloc_pages_slowpath+0x2354/0x2e10
[  378.378084]  ? warn_alloc+0x120/0x120
[  378.381882]  ? mark_held_locks+0x130/0x130
[  378.386120]  ? find_get_entry+0xaae/0x1120
[  378.390367]  ? filemap_map_pages+0x1a20/0x1a20
[  378.394945]  ? zap_class+0x640/0x640
[  378.398662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.404205]  ? check_preemption_disabled+0x48/0x280
[  378.409221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.414757]  ? should_fail+0x22d/0xd01
[  378.418646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.423750]  ? zap_class+0x640/0x640
[  378.427476]  ? __lock_is_held+0xb5/0x140
[  378.431541]  ? mark_held_locks+0x130/0x130
[  378.435769]  ? lock_release+0xa00/0xa00
[  378.439736]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.445190]  ? xa_load+0x2ba/0x460
[  378.448728]  ? lock_downgrade+0x900/0x900
[  378.452877]  ? __might_sleep+0x95/0x190
[  378.456849]  __alloc_pages_nodemask+0xa80/0xde0
[  378.461516]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.466527]  ? __page_cache_alloc+0x191/0x5c0
[  378.471107]  ? xa_load+0x2e1/0x460
[  378.474642]  ? xa_clear_mark+0x40/0x40
[  378.478526]  ? zap_class+0x640/0x640
[  378.482245]  ? zap_class+0x640/0x640
[  378.485949]  ? zap_class+0x640/0x640
[  378.489656]  ? __do_page_cache_readahead+0x663/0x810
[  378.494759]  ? find_held_lock+0x36/0x1c0
[  378.498819]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  378.504352]  alloc_pages_current+0x173/0x350
[  378.508761]  __page_cache_alloc+0x38c/0x5c0
[  378.513077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.518002]  ? kasan_check_read+0x11/0x20
[  378.522145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.527427]  ? generic_perform_write+0x6a0/0x6a0
[  378.532185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.537725]  ? check_preemption_disabled+0x48/0x280
[  378.542744]  filemap_fault+0x1595/0x25f0
[  378.546814]  ? __lock_page_or_retry+0xa00/0xa00
[  378.551477]  ? mark_held_locks+0x130/0x130
[  378.555715]  ? filemap_map_pages+0xd6b/0x1a20
[  378.560207]  ? lock_downgrade+0x900/0x900
[  378.564349]  ? check_preemption_disabled+0x48/0x280
[  378.569364]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.574292]  ? kasan_check_read+0x11/0x20
[  378.578436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.583721]  ? rcu_softirq_qs+0x20/0x20
[  378.587697]  ? filemap_map_pages+0xd92/0x1a20
[  378.592194]  ? print_usage_bug+0xc0/0xc0
[  378.596253]  ? find_get_entries_tag+0x1400/0x1400
[  378.601087]  ? __kasan_slab_free+0x102/0x150
[  378.605487]  ? kasan_slab_free+0xe/0x10
[  378.609452]  ? kmem_cache_free+0x83/0x290
[  378.613593]  ? __sigqueue_free.part.29+0x74/0x90
[  378.618375]  ? lock_acquire+0x1ed/0x520
[  378.622343]  ? ext4_filemap_fault+0x7a/0xad
[  378.626660]  ? lock_release+0xa00/0xa00
[  378.630623]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.636067]  ? print_usage_bug+0xc0/0xc0
[  378.640124]  ? print_usage_bug+0xc0/0xc0
[  378.644195]  ? down_read+0x8d/0x120
[  378.647839]  ? ext4_filemap_fault+0x7a/0xad
[  378.652155]  ? __down_interruptible+0x700/0x700
[  378.656830]  ext4_filemap_fault+0x82/0xad
[  378.660972]  __do_fault+0x100/0x6b0
[  378.664599]  ? pmd_devmap_trans_unstable+0x220/0x220
[  378.669699]  ? mark_held_locks+0x130/0x130
[  378.673932]  ? mark_held_locks+0x130/0x130
[  378.678254]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  378.683788]  ? rcu_pm_notify+0xc0/0xc0
[  378.687677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.693217]  __handle_mm_fault+0x3ea0/0x5be0
[  378.697625]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  378.702456]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.706946]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.711522]  ? trace_hardirqs_on+0xbd/0x310
[  378.715836]  ? kasan_check_read+0x11/0x20
[  378.719987]  ? __set_current_blocked+0xdf/0x120
[  378.724653]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.729762]  ? zap_class+0x640/0x640
[  378.733468]  ? zap_class+0x640/0x640
[  378.737189]  ? find_held_lock+0x36/0x1c0
[  378.741256]  ? handle_mm_fault+0x42a/0xc70
[  378.745486]  ? lock_downgrade+0x900/0x900
[  378.749624]  ? check_preemption_disabled+0x48/0x280
[  378.754632]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.759554]  ? kasan_check_read+0x11/0x20
[  378.763690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.768960]  ? rcu_softirq_qs+0x20/0x20
[  378.772928]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.778023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.783554]  ? check_preemption_disabled+0x48/0x280
[  378.788569]  handle_mm_fault+0x54f/0xc70
[  378.792629]  ? __handle_mm_fault+0x5be0/0x5be0
[  378.797214]  ? find_vma+0x34/0x190
[  378.800755]  __do_page_fault+0x5e8/0xe60
[  378.804807]  ? exit_to_usermode_loop+0x1f4/0x380
[  378.809564]  do_page_fault+0xf2/0x7e0
[  378.813359]  ? vmalloc_sync_all+0x30/0x30
[  378.817499]  ? error_entry+0x70/0xd0
[  378.821209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.826224]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.831145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.836071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.840907]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.845915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.851364]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.856371]  ? page_fault+0x8/0x30
[  378.859907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.864745]  ? page_fault+0x8/0x30
[  378.868283]  page_fault+0x1e/0x30
[  378.871727] RIP: 0033:0x45db60
[  378.874926] Code: Bad RIP value.
[  378.878283] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  378.883638] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  378.890898] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  378.898166] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  378.905428] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  378.912690] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  378.919970] warn_alloc_show_mem: 1 callbacks suppressed
[  378.919979] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  378.919981] Mem-Info:
[  378.920008] active_anon:48041 inactive_anon:196 isolated_anon:0
[  378.920008]  active_file:13 inactive_file:15 isolated_file:0
[  378.920008]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.920008]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  378.920008]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  378.920008]  free:13795 free_pcp:455 free_cma:0
[  378.925347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.932613] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  378.935001] Call Trace:
[  378.967852] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  378.977186]  <IRQ>
[  378.977202]  dump_stack+0x244/0x39d
[  379.004668] lowmem_reserve[]: 0 2818 6321 6321
[  379.007250]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.033322] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  379.035469]  warn_alloc.cold.116+0xb7/0x1bd
[  379.039057] lowmem_reserve[]: 0 0 3503 3503
[  379.043625]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.048782] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  379.076525]  ? lock_downgrade+0x900/0x900
[  379.080811] lowmem_reserve[]: 0 0 0 0
[  379.085127]  ? trace_hardirqs_off+0xb8/0x310
[  379.089950] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  379.118917]  ? trace_hardirqs_off+0xb8/0x310
[  379.123034] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  379.126829]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.131201] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  379.144828]  ? warn_alloc+0x120/0x120
[  379.149193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.165405]  ? print_usage_bug+0xc0/0xc0
[  379.170224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.185376]  ? warn_alloc+0x120/0x120
[  379.189162] 272 total pagecache pages
[  379.197987]  ? warn_alloc+0x120/0x120
[  379.202029] 0 pages in swap cache
[  379.210674]  ? print_usage_bug+0xc0/0xc0
[  379.214452] Swap cache stats: add 0, delete 0, find 0/0
[  379.218254]  ? print_usage_bug+0xc0/0xc0
[  379.222023] Free swap  = 0kB
[  379.225463]  ? __lock_acquire+0x62f/0x4c20
[  379.229493] Total swap = 0kB
[  379.234844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.238884] 1965979 pages RAM
[  379.241896]  ? should_fail+0x22d/0xd01
[  379.246096] 0 pages HighMem/MovableOnly
[  379.246103] 342853 pages reserved
[  379.249125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.254630] 0 pages cma reserved
[  379.257720]  ? __lock_acquire+0x62f/0x4c20
[  379.261629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.265536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.265549]  ? __lock_acquire+0x62f/0x4c20
[  379.265563]  ? should_fail+0x22d/0xd01
[  379.269035] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.274077]  ? find_held_lock+0x36/0x1c0
[  379.277412] syz-fuzzer cpuset=/ mems_allowed=0
[  379.281635]  ? mark_held_locks+0x130/0x130
[  379.324301]  ? mark_held_locks+0x130/0x130
[  379.328526]  ? zap_class+0x640/0x640
[  379.332252]  ? zap_class+0x640/0x640
[  379.335958]  ? print_usage_bug+0xc0/0xc0
[  379.340007]  ? do_raw_spin_unlock+0xa7/0x330
[  379.344425]  ? zap_class+0x640/0x640
[  379.348136]  ? print_usage_bug+0xc0/0xc0
[  379.352278]  ? wq_watchdog_touch+0x9c/0xfe
[  379.356512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.362041]  ? check_preemption_disabled+0x48/0x280
[  379.367057]  ? __lock_is_held+0xb5/0x140
[  379.371124]  __alloc_pages_nodemask+0xa80/0xde0
[  379.375787]  ? zap_class+0x640/0x640
[  379.379500]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.384520]  ? find_held_lock+0x36/0x1c0
[  379.388582]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.393247]  ? lock_downgrade+0x900/0x900
[  379.397410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.402949]  cache_grow_begin+0xa5/0x8c0
[  379.407006]  ? do_raw_spin_unlock+0xa7/0x330
[  379.411415]  fallback_alloc+0x204/0x2e0
[  379.415385]  ____cache_alloc_node+0x1c7/0x1e0
[  379.419882]  kmem_cache_alloc_node+0xe3/0x730
[  379.424370]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.428611]  __alloc_skb+0x119/0x770
[  379.432319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.437591]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.441993]  ? lock_downgrade+0x900/0x900
[  379.446142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.451678]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.457132]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.462575]  ? addrconf_rs_timer+0x690/0x690
[  379.466986]  ndisc_alloc_skb+0x144/0x340
[  379.471046]  ndisc_send_rs+0x331/0x6e0
[  379.474930]  addrconf_rs_timer+0x314/0x690
[  379.479164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.483400]  call_timer_fn+0x272/0x920
[  379.487279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.491506]  ? process_timeout+0x40/0x40
[  379.495566]  ? __run_timers+0x7da/0xc70
[  379.499535]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.504021]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.508510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.512738]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.517318]  ? trace_hardirqs_on+0xbd/0x310
[  379.521636]  ? kasan_check_read+0x11/0x20
[  379.525789]  ? __run_timers+0x7da/0xc70
[  379.529759]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.534944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.539178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.543402]  __run_timers+0x7e5/0xc70
[  379.547205]  ? timer_fixup_init+0x70/0x70
[  379.551348]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.556358]  ? zap_class+0x640/0x640
[  379.560068]  ? enqueue_hrtimer+0x1a5/0x560
[  379.564302]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.569494]  ? find_held_lock+0x36/0x1c0
[  379.573554]  ? zap_class+0x640/0x640
[  379.577262]  ? pvclock_read_flags+0x160/0x160
[  379.581750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.587279]  ? check_preemption_disabled+0x48/0x280
[  379.592297]  ? __lock_is_held+0xb5/0x140
[  379.596356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.601900]  ? check_preemption_disabled+0x48/0x280
[  379.606914]  run_timer_softirq+0x52/0xb0
[  379.610972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.616004]  __do_softirq+0x308/0xb7e
[  379.619801]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.624288]  ? lock_downgrade+0x900/0x900
[  379.628436]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.633540]  ? pvclock_read_flags+0x160/0x160
[  379.638034]  ? lapic_next_event+0x5a/0x90
[  379.642180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.647718]  ? kvm_clock_read+0x18/0x30
[  379.651686]  ? kvm_sched_clock_read+0x9/0x20
[  379.656096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.661631]  ? check_preemption_disabled+0x48/0x280
[  379.666653]  irq_exit+0x17f/0x1c0
[  379.670109]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.674944]  ? smp_reschedule_interrupt+0x109/0x650
[  379.679957]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.685845]  ? interrupt_entry+0xb5/0xc0
[  379.689898]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.694904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.699910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.704749]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.709774]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.714790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.719647]  apic_timer_interrupt+0xf/0x20
[  379.723869]  </IRQ>
[  379.726107] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  379.731031] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  379.749919] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.757617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  379.764880] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  379.772143] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  379.779406] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  379.786665] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  379.793959]  skb_clone+0x1bb/0x500
[  379.797492]  ? finish_task_switch+0x2f4/0x910
[  379.801986]  ? skb_split+0x11e0/0x11e0
[  379.805868]  ? preempt_notifier_register+0x200/0x200
[  379.811054]  ? __switch_to_asm+0x34/0x70
[  379.815115]  ? __switch_to_asm+0x34/0x70
[  379.819172]  ? __switch_to_asm+0x40/0x70
[  379.823220]  ? __switch_to_asm+0x34/0x70
[  379.827282]  ? __switch_to_asm+0x40/0x70
[  379.831330]  ? __switch_to_asm+0x34/0x70
[  379.835380]  ? __switch_to_asm+0x40/0x70
[  379.839429]  ? __switch_to_asm+0x34/0x70
[  379.843489]  ? __switch_to_asm+0x34/0x70
[  379.847543]  ? __switch_to_asm+0x40/0x70
[  379.851619]  ? __switch_to_asm+0x34/0x70
[  379.855676]  bpf_clone_redirect+0xb9/0x490
[  379.859914]  ? __schedule+0x8d7/0x21d0
[  379.863799]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  379.868815]  ? __sched_text_start+0x8/0x8
[  379.872958]  ? retint_kernel+0x2d/0x2d
[  379.876850]  ? find_held_lock+0x36/0x1c0
[  379.880913]  ? lock_acquire+0x1ed/0x520
[  379.884879]  ? bpf_test_run+0x3cb/0x780
[  379.888845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.894377]  ? check_preemption_disabled+0x48/0x280
[  379.899396]  ? kasan_check_read+0x11/0x20
[  379.903541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.908814]  ? rcu_softirq_qs+0x20/0x20
[  379.912788]  ? preempt_schedule+0x4d/0x60
[  379.916947]  ? ___preempt_schedule+0x16/0x18
[  379.921357]  ? bpf_test_run+0x25d/0x780
[  379.925333]  ? netlink_diag_dump+0x2a0/0x2a0
[  379.929736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.935270]  ? bpf_test_init.isra.10+0x70/0x100
[  379.939938]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  379.944779]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.949617]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  379.955152]  ? fput+0x130/0x1a0
[  379.958424]  ? __bpf_prog_get+0x9b/0x290
[  379.962477]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.967314]  ? bpf_prog_test_run+0x130/0x1a0
[  379.971721]  ? __x64_sys_bpf+0x3d8/0x520
[  379.975774]  ? bpf_prog_get+0x20/0x20
[  379.979586]  ? do_syscall_64+0x1b9/0x820
[  379.983647]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  379.989005]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.993933]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.998944]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.003956]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  380.010618]  ? __switch_to_asm+0x40/0x70
[  380.014673]  ? __switch_to_asm+0x34/0x70
[  380.018734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.023574]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.028949] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  380.029006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.035866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.035870] Call Trace:
[  380.035875]  <IRQ>
[  380.035890]  dump_stack+0x244/0x39d
[  380.035907]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.042415] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.051713]  warn_alloc.cold.116+0xb7/0x1bd
[  380.054263] syz-executor4 cpuset=syz4 mems_allowed=0
[  380.056412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.089850]  ? lock_downgrade+0x900/0x900
[  380.093996]  ? trace_hardirqs_off+0xb8/0x310
[  380.098407]  ? trace_hardirqs_off+0xb8/0x310
[  380.102817]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.107676]  ? warn_alloc+0x120/0x120
[  380.111475]  ? print_usage_bug+0xc0/0xc0
[  380.115531]  ? warn_alloc+0x120/0x120
[  380.119329]  ? warn_alloc+0x120/0x120
[  380.123126]  ? print_usage_bug+0xc0/0xc0
[  380.127188]  ? print_usage_bug+0xc0/0xc0
[  380.131244]  ? __lock_acquire+0x62f/0x4c20
[  380.135479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.141006]  ? should_fail+0x22d/0xd01
[  380.144893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.149987]  ? __lock_acquire+0x62f/0x4c20
[  380.154239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.159332]  ? __lock_acquire+0x62f/0x4c20
[  380.163557]  ? should_fail+0x22d/0xd01
[  380.167440]  ? find_held_lock+0x36/0x1c0
[  380.171500]  ? mark_held_locks+0x130/0x130
[  380.175732]  ? mark_held_locks+0x130/0x130
[  380.179956]  ? zap_class+0x640/0x640
[  380.183663]  ? zap_class+0x640/0x640
[  380.187374]  ? print_usage_bug+0xc0/0xc0
[  380.191426]  ? do_raw_spin_unlock+0xa7/0x330
[  380.195827]  ? zap_class+0x640/0x640
[  380.199535]  ? print_usage_bug+0xc0/0xc0
[  380.204017]  ? wq_watchdog_touch+0x9c/0xfe
[  380.208252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.213781]  ? check_preemption_disabled+0x48/0x280
[  380.218815]  ? __lock_is_held+0xb5/0x140
[  380.222871]  __alloc_pages_nodemask+0xa80/0xde0
[  380.227531]  ? zap_class+0x640/0x640
[  380.231242]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.236259]  ? find_held_lock+0x36/0x1c0
[  380.240322]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.244985]  ? lock_downgrade+0x900/0x900
[  380.249133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.254667]  cache_grow_begin+0xa5/0x8c0
[  380.258722]  ? do_raw_spin_unlock+0xa7/0x330
[  380.263131]  fallback_alloc+0x204/0x2e0
[  380.267108]  ____cache_alloc_node+0x1c7/0x1e0
[  380.271601]  kmem_cache_alloc_node+0xe3/0x730
[  380.276093]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.280332]  __alloc_skb+0x119/0x770
[  380.284045]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.289322]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.293722]  ? lock_downgrade+0x900/0x900
[  380.297873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.303402]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.308850]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.314294]  ? addrconf_rs_timer+0x690/0x690
[  380.318705]  ndisc_alloc_skb+0x144/0x340
[  380.322761]  ndisc_send_rs+0x331/0x6e0
[  380.326649]  addrconf_rs_timer+0x314/0x690
[  380.330880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.335115]  call_timer_fn+0x272/0x920
[  380.338993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.343218]  ? process_timeout+0x40/0x40
[  380.347285]  ? mark_held_locks+0xc7/0x130
[  380.351429]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.355913]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.360399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.364624]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.369336]  ? trace_hardirqs_on+0xbd/0x310
[  380.373647]  ? kasan_check_read+0x11/0x20
[  380.377785]  ? __run_timers+0x7da/0xc70
[  380.381754]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.386854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.391089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.395342]  __run_timers+0x7e5/0xc70
[  380.399163]  ? timer_fixup_init+0x70/0x70
[  380.403306]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.408315]  ? zap_class+0x640/0x640
[  380.412044]  ? print_usage_bug+0xc0/0xc0
[  380.416099]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.421289]  ? find_held_lock+0x36/0x1c0
[  380.425351]  ? zap_class+0x640/0x640
[  380.429071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.434605]  ? check_preemption_disabled+0x48/0x280
[  380.439621]  ? __lock_is_held+0xb5/0x140
[  380.443677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.449211]  ? check_preemption_disabled+0x48/0x280
[  380.454224]  run_timer_softirq+0x52/0xb0
[  380.458277]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.463286]  __do_softirq+0x308/0xb7e
[  380.467088]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.471576]  ? lock_downgrade+0x900/0x900
[  380.475720]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.480821]  ? pvclock_read_flags+0x160/0x160
[  380.485312]  ? lapic_next_event+0x5a/0x90
[  380.489453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.494985]  ? kvm_clock_read+0x18/0x30
[  380.498979]  ? kvm_sched_clock_read+0x9/0x20
[  380.503385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.508914]  ? check_preemption_disabled+0x48/0x280
[  380.513933]  irq_exit+0x17f/0x1c0
[  380.517381]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.522219]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.528095]  ? interrupt_entry+0xb5/0xc0
[  380.532154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.537164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.542173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.547020]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.552033]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.557044]  ? task_prio+0x50/0x50
[  380.560584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.566117]  ? check_preemption_disabled+0x48/0x280
[  380.571131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.575979]  apic_timer_interrupt+0xf/0x20
[  380.580212]  </IRQ>
[  380.582443] RIP: 0010:console_unlock+0x102f/0x1190
[  380.587369] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  380.606258] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  380.613958] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  380.621216] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  380.628476] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  380.635738] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  380.643108] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  380.650374]  ? netconsole_netdev_event+0x280/0x280
[  380.655299]  ? console_unlock+0x1026/0x1190
[  380.659627]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  380.664288]  ? vprintk_emit+0x846/0x990
[  380.668265]  ? lock_release+0xa00/0xa00
[  380.672232]  ? trace_hardirqs_on+0x60/0x310
[  380.676548]  ? vprintk_default+0x28/0x30
[  380.680602]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.685699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.691234]  vprintk_emit+0x391/0x990
[  380.695032]  ? wake_up_klogd+0x180/0x180
[  380.699114]  ? find_held_lock+0x1/0x1c0
[  380.703090]  ? mark_held_locks+0xc7/0x130
[  380.707229]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.711715]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.716206]  vprintk_default+0x28/0x30
[  380.720088]  vprintk_func+0x7e/0x181
[  380.723813]  printk+0xa7/0xcf
[  380.726940]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  380.731690]  ? _raw_spin_unlock_irq+0x60/0x80
[  380.736189]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  380.741466]  dump_header+0x7cc/0xf72
[  380.745179]  ? pagefault_out_of_memory+0x197/0x197
[  380.750106]  ? __lock_acquire+0x62f/0x4c20
[  380.754342]  ? percpu_ref_get_many+0x240/0x240
[  380.758916]  ? print_usage_bug+0xc0/0xc0
[  380.762972]  ? zap_class+0x640/0x640
[  380.766684]  ? print_usage_bug+0xc0/0xc0
[  380.770735]  ? zap_class+0x640/0x640
[  380.774442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.779975]  ? find_held_lock+0x36/0x1c0
[  380.784065]  ? mark_held_locks+0xc7/0x130
[  380.788210]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  380.793306]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  380.798402]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.802977]  ? trace_hardirqs_on+0xbd/0x310
[  380.807314]  ? kasan_check_read+0x11/0x20
[  380.811453]  ? ___ratelimit+0x3b4/0x672
[  380.815420]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.820515]  ? trace_hardirqs_on+0x310/0x310
[  380.824919]  ? lock_downgrade+0x900/0x900
[  380.829068]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.834166]  ? ___ratelimit+0x3b9/0x672
[  380.838146]  ? idr_get_free+0xf70/0xf70
[  380.842210]  ? find_held_lock+0x36/0x1c0
[  380.846271]  oom_kill_process.cold.27+0x10/0x903
[  380.851019]  ? zap_class+0x640/0x640
[  380.854730]  ? check_preemption_disabled+0x48/0x280
[  380.859740]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.864673]  ? kasan_check_read+0x11/0x20
[  380.868823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.874100]  ? oom_evaluate_task+0x540/0x540
[  380.878507]  ? find_held_lock+0x36/0x1c0
[  380.882571]  ? out_of_memory+0x974/0x1430
[  380.886712]  ? lock_downgrade+0x900/0x900
[  380.890850]  ? check_preemption_disabled+0x48/0x280
[  380.895871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.900793]  ? kasan_check_read+0x11/0x20
[  380.904937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.910207]  ? rcu_softirq_qs+0x20/0x20
[  380.914178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.919707]  ? oom_evaluate_task+0x302/0x540
[  380.924113]  out_of_memory+0xa84/0x1430
[  380.928086]  ? oom_killer_disable+0x3a0/0x3a0
[  380.932577]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  380.937503]  ? __ww_mutex_check_waiters+0x160/0x160
[  380.942525]  __alloc_pages_slowpath+0x2354/0x2e10
[  380.947384]  ? warn_alloc+0x120/0x120
[  380.951173]  ? mark_held_locks+0x130/0x130
[  380.955406]  ? find_get_entry+0xaae/0x1120
[  380.959640]  ? filemap_map_pages+0x1a20/0x1a20
[  380.964215]  ? zap_class+0x640/0x640
[  380.967924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.973452]  ? check_preemption_disabled+0x48/0x280
[  380.978462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.984001]  ? should_fail+0x22d/0xd01
[  380.987900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.993007]  ? zap_class+0x640/0x640
[  380.996735]  ? __lock_is_held+0xb5/0x140
[  381.000798]  ? mark_held_locks+0x130/0x130
[  381.005032]  ? lock_release+0xa00/0xa00
[  381.009007]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.014450]  ? xa_load+0x2ba/0x460
[  381.017989]  ? lock_downgrade+0x900/0x900
[  381.022139]  ? __might_sleep+0x95/0x190
[  381.026114]  __alloc_pages_nodemask+0xa80/0xde0
[  381.030784]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.035796]  ? __page_cache_alloc+0x191/0x5c0
[  381.040286]  ? xa_load+0x2e1/0x460
[  381.043822]  ? xa_clear_mark+0x40/0x40
[  381.047710]  ? zap_class+0x640/0x640
[  381.051445]  ? zap_class+0x640/0x640
[  381.055154]  ? zap_class+0x640/0x640
[  381.058862]  ? __do_page_cache_readahead+0x663/0x810
[  381.063957]  ? find_held_lock+0x36/0x1c0
[  381.068022]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.073557]  alloc_pages_current+0x173/0x350
[  381.077961]  __page_cache_alloc+0x38c/0x5c0
[  381.082281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.087207]  ? kasan_check_read+0x11/0x20
[  381.091351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.096625]  ? generic_perform_write+0x6a0/0x6a0
[  381.101372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.106901]  ? check_preemption_disabled+0x48/0x280
[  381.111918]  filemap_fault+0x1595/0x25f0
[  381.116003]  ? __lock_page_or_retry+0xa00/0xa00
[  381.120675]  ? mark_held_locks+0x130/0x130
[  381.124914]  ? filemap_map_pages+0xd6b/0x1a20
[  381.129421]  ? lock_downgrade+0x900/0x900
[  381.133562]  ? check_preemption_disabled+0x48/0x280
[  381.138576]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.143501]  ? kasan_check_read+0x11/0x20
[  381.147643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.152916]  ? rcu_softirq_qs+0x20/0x20
[  381.156898]  ? filemap_map_pages+0xd92/0x1a20
[  381.161394]  ? print_usage_bug+0xc0/0xc0
[  381.165453]  ? find_get_entries_tag+0x1400/0x1400
[  381.170291]  ? __kasan_slab_free+0x102/0x150
[  381.174690]  ? kasan_slab_free+0xe/0x10
[  381.178658]  ? kmem_cache_free+0x83/0x290
[  381.182798]  ? __sigqueue_free.part.29+0x74/0x90
[  381.187561]  ? lock_acquire+0x1ed/0x520
[  381.191541]  ? ext4_filemap_fault+0x7a/0xad
[  381.195861]  ? lock_release+0xa00/0xa00
[  381.200271]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.205717]  ? print_usage_bug+0xc0/0xc0
[  381.209772]  ? print_usage_bug+0xc0/0xc0
[  381.213832]  ? down_read+0x8d/0x120
[  381.217446]  ? ext4_filemap_fault+0x7a/0xad
[  381.221760]  ? __down_interruptible+0x700/0x700
[  381.226431]  ext4_filemap_fault+0x82/0xad
[  381.230570]  __do_fault+0x100/0x6b0
[  381.234190]  ? pmd_devmap_trans_unstable+0x220/0x220
[  381.239289]  ? mark_held_locks+0x130/0x130
[  381.243522]  ? mark_held_locks+0x130/0x130
[  381.247752]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  381.253287]  ? rcu_pm_notify+0xc0/0xc0
[  381.257175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.262713]  __handle_mm_fault+0x3ea0/0x5be0
[  381.267120]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  381.271963]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.276452]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.281030]  ? trace_hardirqs_on+0xbd/0x310
[  381.285346]  ? kasan_check_read+0x11/0x20
[  381.289485]  ? __set_current_blocked+0xdf/0x120
[  381.294146]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.299255]  ? zap_class+0x640/0x640
[  381.302968]  ? zap_class+0x640/0x640
[  381.306684]  ? find_held_lock+0x36/0x1c0
[  381.310750]  ? handle_mm_fault+0x42a/0xc70
[  381.314984]  ? lock_downgrade+0x900/0x900
[  381.319132]  ? check_preemption_disabled+0x48/0x280
[  381.324147]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.329068]  ? kasan_check_read+0x11/0x20
[  381.333209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.338477]  ? rcu_softirq_qs+0x20/0x20
[  381.342625]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.347743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.353358]  ? check_preemption_disabled+0x48/0x280
[  381.358372]  handle_mm_fault+0x54f/0xc70
[  381.362429]  ? __handle_mm_fault+0x5be0/0x5be0
[  381.367009]  ? find_vma+0x34/0x190
[  381.370547]  __do_page_fault+0x5e8/0xe60
[  381.374605]  ? exit_to_usermode_loop+0x1f4/0x380
[  381.379364]  do_page_fault+0xf2/0x7e0
[  381.383160]  ? vmalloc_sync_all+0x30/0x30
[  381.387301]  ? error_entry+0x70/0xd0
[  381.391020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.396032]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.400966]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.405892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.410728]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.415824]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.421273]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.426278]  ? page_fault+0x8/0x30
[  381.429813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.434642]  ? page_fault+0x8/0x30
[  381.438171]  page_fault+0x1e/0x30
[  381.441609] RIP: 0033:0x45db60
[  381.444809] Code: Bad RIP value.
[  381.448161] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  381.453518] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  381.460778] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  381.468038] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  381.475299] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  381.482559] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  381.489833] warn_alloc_show_mem: 1 callbacks suppressed
[  381.489842] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  381.489843] Mem-Info:
[  381.489870] active_anon:48041 inactive_anon:196 isolated_anon:0
[  381.489870]  active_file:13 inactive_file:15 isolated_file:0
[  381.489870]  unevictable:0 dirty:0 writeback:0 unstable:0
[  381.489870]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  381.489870]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  381.489870]  free:13795 free_pcp:455 free_cma:0
[  381.495207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.502480] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  381.504867] Call Trace:
[  381.537723] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  381.547061]  <IRQ>
[  381.574445] lowmem_reserve[]: 0 2818 6321 6321
[  381.577018]  dump_stack+0x244/0x39d
[  381.603103] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  381.605245]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.609790] lowmem_reserve[]: 0 0 3503 3503
[  381.613419]  warn_alloc.cold.116+0xb7/0x1bd
[  381.641135] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  381.646308]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.650606] lowmem_reserve[]: 0 0 0 0
[  381.654916]  ? lock_downgrade+0x900/0x900
[  381.683863] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  381.688695]  ? trace_hardirqs_off+0xb8/0x310
[  381.692462] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  381.696605]  ? trace_hardirqs_off+0xb8/0x310
[  381.710090] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  381.714503]  __alloc_pages_slowpath+0x26e8/0x2e10
[  381.730705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.735113]  ? warn_alloc+0x120/0x120
[  381.750238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  381.755061]  ? print_usage_bug+0xc0/0xc0
[  381.763863] 272 total pagecache pages
[  381.767653]  ? warn_alloc+0x120/0x120
[  381.776208] 0 pages in swap cache
[  381.780251]  ? warn_alloc+0x120/0x120
[  381.784026] Swap cache stats: add 0, delete 0, find 0/0
[  381.787808]  ? print_usage_bug+0xc0/0xc0
[  381.791234] Free swap  = 0kB
[  381.795023]  ? print_usage_bug+0xc0/0xc0
[  381.800350] Total swap = 0kB
[  381.800358] 1965979 pages RAM
[  381.804403]  ? __lock_acquire+0x62f/0x4c20
[  381.807387] 0 pages HighMem/MovableOnly
[  381.807394] 342853 pages reserved
[  381.811444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.814430] 0 pages cma reserved
[  381.817522]  ? should_fail+0x22d/0xd01
[  381.821775] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.825689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.825702]  ? __lock_acquire+0x62f/0x4c20
[  381.825720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.829209] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.834661]  ? __lock_acquire+0x62f/0x4c20
[  381.834676]  ? should_fail+0x22d/0xd01
[  381.838021] syz-fuzzer cpuset=/ mems_allowed=0
[  381.841896]  ? find_held_lock+0x36/0x1c0
[  381.889687]  ? mark_held_locks+0x130/0x130
[  381.893925]  ? mark_held_locks+0x130/0x130
[  381.898155]  ? zap_class+0x640/0x640
[  381.901862]  ? zap_class+0x640/0x640
[  381.905571]  ? print_usage_bug+0xc0/0xc0
[  381.909629]  ? do_raw_spin_unlock+0xa7/0x330
[  381.914035]  ? zap_class+0x640/0x640
[  381.917746]  ? print_usage_bug+0xc0/0xc0
[  381.921800]  ? wq_watchdog_touch+0x9c/0xfe
[  381.926030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.931562]  ? check_preemption_disabled+0x48/0x280
[  381.936579]  ? __lock_is_held+0xb5/0x140
[  381.940640]  __alloc_pages_nodemask+0xa80/0xde0
[  381.945304]  ? zap_class+0x640/0x640
[  381.949019]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.954038]  ? find_held_lock+0x36/0x1c0
[  381.958116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.962780]  ? lock_downgrade+0x900/0x900
[  381.967015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.972548]  cache_grow_begin+0xa5/0x8c0
[  381.976597]  ? do_raw_spin_unlock+0xa7/0x330
[  381.981004]  fallback_alloc+0x204/0x2e0
[  381.984999]  ____cache_alloc_node+0x1c7/0x1e0
[  381.989490]  kmem_cache_alloc_node+0xe3/0x730
[  381.993980]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.998219]  __alloc_skb+0x119/0x770
[  382.001924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.007206]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.011606]  ? lock_downgrade+0x900/0x900
[  382.015753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.021286]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.026732]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.032178]  ? addrconf_rs_timer+0x690/0x690
[  382.036591]  ndisc_alloc_skb+0x144/0x340
[  382.040665]  ndisc_send_rs+0x331/0x6e0
[  382.044550]  addrconf_rs_timer+0x314/0x690
[  382.048781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.053021]  call_timer_fn+0x272/0x920
[  382.056908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.061134]  ? process_timeout+0x40/0x40
[  382.065193]  ? __run_timers+0x7da/0xc70
[  382.069165]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.073653]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.078141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.082366]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.086942]  ? trace_hardirqs_on+0xbd/0x310
[  382.091253]  ? kasan_check_read+0x11/0x20
[  382.095389]  ? __run_timers+0x7da/0xc70
[  382.099356]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.104454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.108687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.112914]  __run_timers+0x7e5/0xc70
[  382.116719]  ? timer_fixup_init+0x70/0x70
[  382.120858]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.125873]  ? zap_class+0x640/0x640
[  382.129602]  ? enqueue_hrtimer+0x1a5/0x560
[  382.133833]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.139023]  ? find_held_lock+0x36/0x1c0
[  382.143081]  ? zap_class+0x640/0x640
[  382.146794]  ? pvclock_read_flags+0x160/0x160
[  382.151287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.156816]  ? check_preemption_disabled+0x48/0x280
[  382.161835]  ? __lock_is_held+0xb5/0x140
[  382.165899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.171434]  ? check_preemption_disabled+0x48/0x280
[  382.176452]  run_timer_softirq+0x52/0xb0
[  382.180509]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.185518]  __do_softirq+0x308/0xb7e
[  382.189315]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.193803]  ? lock_downgrade+0x900/0x900
[  382.197956]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.203191]  ? pvclock_read_flags+0x160/0x160
[  382.207682]  ? lapic_next_event+0x5a/0x90
[  382.211830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.217363]  ? kvm_clock_read+0x18/0x30
[  382.221328]  ? kvm_sched_clock_read+0x9/0x20
[  382.225732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.231265]  ? check_preemption_disabled+0x48/0x280
[  382.236282]  irq_exit+0x17f/0x1c0
[  382.239734]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.244572]  ? smp_reschedule_interrupt+0x109/0x650
[  382.249584]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.255459]  ? interrupt_entry+0xb5/0xc0
[  382.259519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.264532]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.269542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.274380]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.279390]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.284411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.289256]  apic_timer_interrupt+0xf/0x20
[  382.293476]  </IRQ>
[  382.295709] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  382.300636] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  382.319526] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.327228] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.334492] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  382.341752] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  382.349015] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  382.356276] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  382.363570]  skb_clone+0x1bb/0x500
[  382.367468]  ? finish_task_switch+0x2f4/0x910
[  382.371964]  ? skb_split+0x11e0/0x11e0
[  382.375845]  ? preempt_notifier_register+0x200/0x200
[  382.381034]  ? __switch_to_asm+0x34/0x70
[  382.385085]  ? __switch_to_asm+0x34/0x70
[  382.389138]  ? __switch_to_asm+0x40/0x70
[  382.393194]  ? __switch_to_asm+0x34/0x70
[  382.397244]  ? __switch_to_asm+0x40/0x70
[  382.401299]  ? __switch_to_asm+0x34/0x70
[  382.405351]  ? __switch_to_asm+0x40/0x70
[  382.409407]  ? __switch_to_asm+0x34/0x70
[  382.413463]  ? __switch_to_asm+0x34/0x70
[  382.417513]  ? __switch_to_asm+0x40/0x70
[  382.421564]  ? __switch_to_asm+0x34/0x70
[  382.425623]  bpf_clone_redirect+0xb9/0x490
[  382.429853]  ? __schedule+0x8d7/0x21d0
[  382.433746]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  382.438758]  ? __sched_text_start+0x8/0x8
[  382.442903]  ? retint_kernel+0x2d/0x2d
[  382.446796]  ? find_held_lock+0x36/0x1c0
[  382.450871]  ? lock_acquire+0x1ed/0x520
[  382.454841]  ? bpf_test_run+0x3cb/0x780
[  382.458818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.464351]  ? check_preemption_disabled+0x48/0x280
[  382.469365]  ? kasan_check_read+0x11/0x20
[  382.473505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.478776]  ? rcu_softirq_qs+0x20/0x20
[  382.482746]  ? preempt_schedule+0x4d/0x60
[  382.486893]  ? ___preempt_schedule+0x16/0x18
[  382.491298]  ? bpf_test_run+0x25d/0x780
[  382.495277]  ? netlink_diag_dump+0x2a0/0x2a0
[  382.499680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.505212]  ? bpf_test_init.isra.10+0x70/0x100
[  382.509898]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  382.514657]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.519490]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  382.525014]  ? fput+0x130/0x1a0
[  382.528284]  ? __bpf_prog_get+0x9b/0x290
[  382.532340]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.537172]  ? bpf_prog_test_run+0x130/0x1a0
[  382.541576]  ? __x64_sys_bpf+0x3d8/0x520
[  382.545641]  ? bpf_prog_get+0x20/0x20
[  382.549472]  ? do_syscall_64+0x1b9/0x820
[  382.553524]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  382.558887]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.563815]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.568824]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.573837]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  382.580497]  ? __switch_to_asm+0x40/0x70
[  382.584551]  ? __switch_to_asm+0x34/0x70
[  382.588609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.593449]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.598829] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  382.598924] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.605800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.605804] Call Trace:
[  382.605809]  <IRQ>
[  382.605824]  dump_stack+0x244/0x39d
[  382.605850]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.612374] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.621659]  warn_alloc.cold.116+0xb7/0x1bd
[  382.624206] syz-executor4 cpuset=syz4 mems_allowed=0
[  382.626354]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.659891]  ? lock_downgrade+0x900/0x900
[  382.664042]  ? trace_hardirqs_off+0xb8/0x310
[  382.668446]  ? trace_hardirqs_off+0xb8/0x310
[  382.672862]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.677726]  ? warn_alloc+0x120/0x120
[  382.681522]  ? print_usage_bug+0xc0/0xc0
[  382.685576]  ? warn_alloc+0x120/0x120
[  382.689376]  ? warn_alloc+0x120/0x120
[  382.693172]  ? print_usage_bug+0xc0/0xc0
[  382.697228]  ? print_usage_bug+0xc0/0xc0
[  382.701282]  ? __lock_acquire+0x62f/0x4c20
[  382.705515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.711049]  ? should_fail+0x22d/0xd01
[  382.714932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.720030]  ? __lock_acquire+0x62f/0x4c20
[  382.724264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.729356]  ? __lock_acquire+0x62f/0x4c20
[  382.733579]  ? should_fail+0x22d/0xd01
[  382.737467]  ? mark_held_locks+0x130/0x130
[  382.741700]  ? mark_held_locks+0x130/0x130
[  382.745927]  ? zap_class+0x640/0x640
[  382.749641]  ? zap_class+0x640/0x640
[  382.753349]  ? print_usage_bug+0xc0/0xc0
[  382.757402]  ? wq_watchdog_touch+0x9c/0xfe
[  382.761634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.767165]  ? check_preemption_disabled+0x48/0x280
[  382.772185]  ? __lock_is_held+0xb5/0x140
[  382.776245]  __alloc_pages_nodemask+0xa80/0xde0
[  382.780924]  ? zap_class+0x640/0x640
[  382.784641]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.789665]  ? find_held_lock+0x36/0x1c0
[  382.793730]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.798393]  ? lock_downgrade+0x900/0x900
[  382.802542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.808076]  cache_grow_begin+0xa5/0x8c0
[  382.812127]  ? do_raw_spin_unlock+0xa7/0x330
[  382.816533]  fallback_alloc+0x204/0x2e0
[  382.820509]  ____cache_alloc_node+0x1c7/0x1e0
[  382.825002]  kmem_cache_alloc_node+0xe3/0x730
[  382.829493]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.833730]  __alloc_skb+0x119/0x770
[  382.837434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.842706]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.847108]  ? lock_downgrade+0x900/0x900
[  382.851255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.856795]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.862243]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.867682]  ? addrconf_rs_timer+0x690/0x690
[  382.872090]  ndisc_alloc_skb+0x144/0x340
[  382.876148]  ndisc_send_rs+0x331/0x6e0
[  382.880030]  addrconf_rs_timer+0x314/0x690
[  382.884278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.888516]  call_timer_fn+0x272/0x920
[  382.892399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.896628]  ? process_timeout+0x40/0x40
[  382.900689]  ? mark_held_locks+0xc7/0x130
[  382.904920]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.909405]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.913891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.918120]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.922694]  ? trace_hardirqs_on+0xbd/0x310
[  382.927011]  ? kasan_check_read+0x11/0x20
[  382.931161]  ? __run_timers+0x7da/0xc70
[  382.935128]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.940240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.944463]  __run_timers+0x7e5/0xc70
[  382.948262]  ? timer_fixup_init+0x70/0x70
[  382.952414]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.957424]  ? zap_class+0x640/0x640
[  382.961140]  ? print_usage_bug+0xc0/0xc0
[  382.965198]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.970392]  ? find_held_lock+0x36/0x1c0
[  382.974454]  ? zap_class+0x640/0x640
[  382.978168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.983698]  ? check_preemption_disabled+0x48/0x280
[  382.988718]  ? __lock_is_held+0xb5/0x140
[  382.992777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.998323]  ? check_preemption_disabled+0x48/0x280
[  383.003335]  run_timer_softirq+0x52/0xb0
[  383.007393]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.012407]  __do_softirq+0x308/0xb7e
[  383.016205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.020692]  ? lock_downgrade+0x900/0x900
[  383.024841]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.029951]  ? pvclock_read_flags+0x160/0x160
[  383.034439]  ? lapic_next_event+0x5a/0x90
[  383.038586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.044125]  ? kvm_clock_read+0x18/0x30
[  383.048094]  ? kvm_sched_clock_read+0x9/0x20
[  383.052496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.058025]  ? check_preemption_disabled+0x48/0x280
[  383.063041]  irq_exit+0x17f/0x1c0
[  383.066489]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.071324]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.077204]  ? interrupt_entry+0xb5/0xc0
[  383.081350]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.086360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.091369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.096205]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.101211]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.106219]  ? task_prio+0x50/0x50
[  383.109752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.115282]  ? check_preemption_disabled+0x48/0x280
[  383.120293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.125140]  apic_timer_interrupt+0xf/0x20
[  383.129364]  </IRQ>
[  383.131594] RIP: 0010:console_unlock+0x102f/0x1190
[  383.136516] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  383.155408] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  383.163110] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  383.170371] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  383.177720] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  383.184983] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  383.192245] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  383.199511]  ? netconsole_netdev_event+0x280/0x280
[  383.204444]  ? console_unlock+0x1026/0x1190
[  383.208777]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  383.213448]  ? vprintk_emit+0x846/0x990
[  383.217430]  ? lock_release+0xa00/0xa00
[  383.221398]  ? trace_hardirqs_on+0x60/0x310
[  383.225710]  ? vprintk_default+0x28/0x30
[  383.229765]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.234869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.240411]  vprintk_emit+0x391/0x990
[  383.244208]  ? wake_up_klogd+0x180/0x180
[  383.248270]  ? find_held_lock+0x1/0x1c0
[  383.252245]  ? mark_held_locks+0xc7/0x130
[  383.256386]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.260873]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.265366]  vprintk_default+0x28/0x30
[  383.269252]  vprintk_func+0x7e/0x181
[  383.272959]  printk+0xa7/0xcf
[  383.276058]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  383.280811]  ? _raw_spin_unlock_irq+0x60/0x80
[  383.285314]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  383.290593]  dump_header+0x7cc/0xf72
[  383.294311]  ? pagefault_out_of_memory+0x197/0x197
[  383.299240]  ? __lock_acquire+0x62f/0x4c20
[  383.303468]  ? percpu_ref_get_many+0x240/0x240
[  383.308043]  ? print_usage_bug+0xc0/0xc0
[  383.312102]  ? zap_class+0x640/0x640
[  383.315815]  ? print_usage_bug+0xc0/0xc0
[  383.319873]  ? zap_class+0x640/0x640
[  383.323588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.329121]  ? find_held_lock+0x36/0x1c0
[  383.333183]  ? mark_held_locks+0xc7/0x130
[  383.337327]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.342421]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.347517]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.352095]  ? trace_hardirqs_on+0xbd/0x310
[  383.356411]  ? kasan_check_read+0x11/0x20
[  383.360552]  ? ___ratelimit+0x3b4/0x672
[  383.364519]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.369619]  ? trace_hardirqs_on+0x310/0x310
[  383.374020]  ? lock_downgrade+0x900/0x900
[  383.378164]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.383263]  ? ___ratelimit+0x3b9/0x672
[  383.387232]  ? idr_get_free+0xf70/0xf70
[  383.391196]  ? find_held_lock+0x36/0x1c0
[  383.395256]  oom_kill_process.cold.27+0x10/0x903
[  383.400002]  ? zap_class+0x640/0x640
[  383.403710]  ? check_preemption_disabled+0x48/0x280
[  383.408726]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.413647]  ? kasan_check_read+0x11/0x20
[  383.417795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.423068]  ? oom_evaluate_task+0x540/0x540
[  383.427471]  ? find_held_lock+0x36/0x1c0
[  383.431534]  ? out_of_memory+0x974/0x1430
[  383.435673]  ? lock_downgrade+0x900/0x900
[  383.439811]  ? check_preemption_disabled+0x48/0x280
[  383.444831]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.449751]  ? kasan_check_read+0x11/0x20
[  383.453895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.459162]  ? rcu_softirq_qs+0x20/0x20
[  383.463144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.468670]  ? oom_evaluate_task+0x302/0x540
[  383.473078]  out_of_memory+0xa84/0x1430
[  383.477050]  ? oom_killer_disable+0x3a0/0x3a0
[  383.481635]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  383.486562]  ? __ww_mutex_check_waiters+0x160/0x160
[  383.491581]  __alloc_pages_slowpath+0x2354/0x2e10
[  383.496445]  ? warn_alloc+0x120/0x120
[  383.500237]  ? mark_held_locks+0x130/0x130
[  383.504470]  ? find_get_entry+0xaae/0x1120
[  383.508707]  ? filemap_map_pages+0x1a20/0x1a20
[  383.513285]  ? zap_class+0x640/0x640
[  383.517000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.522531]  ? check_preemption_disabled+0x48/0x280
[  383.527553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.533083]  ? should_fail+0x22d/0xd01
[  383.536972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.542068]  ? zap_class+0x640/0x640
[  383.545804]  ? __lock_is_held+0xb5/0x140
[  383.549876]  ? mark_held_locks+0x130/0x130
[  383.554108]  ? lock_release+0xa00/0xa00
[  383.558074]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.563517]  ? xa_load+0x2ba/0x460
[  383.567054]  ? lock_downgrade+0x900/0x900
[  383.571200]  ? __might_sleep+0x95/0x190
[  383.575173]  __alloc_pages_nodemask+0xa80/0xde0
[  383.579846]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.584865]  ? __page_cache_alloc+0x191/0x5c0
[  383.589351]  ? xa_load+0x2e1/0x460
[  383.592889]  ? xa_clear_mark+0x40/0x40
[  383.596776]  ? zap_class+0x640/0x640
[  383.600492]  ? zap_class+0x640/0x640
[  383.604195]  ? zap_class+0x640/0x640
[  383.607900]  ? __do_page_cache_readahead+0x663/0x810
[  383.612999]  ? find_held_lock+0x36/0x1c0
[  383.617055]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  383.622592]  alloc_pages_current+0x173/0x350
[  383.627000]  __page_cache_alloc+0x38c/0x5c0
[  383.631322]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.636249]  ? kasan_check_read+0x11/0x20
[  383.640386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.645660]  ? generic_perform_write+0x6a0/0x6a0
[  383.650428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.655963]  ? check_preemption_disabled+0x48/0x280
[  383.660975]  filemap_fault+0x1595/0x25f0
[  383.665039]  ? __lock_page_or_retry+0xa00/0xa00
[  383.669702]  ? mark_held_locks+0x130/0x130
[  383.673942]  ? filemap_map_pages+0xd6b/0x1a20
[  383.678435]  ? lock_downgrade+0x900/0x900
[  383.682577]  ? check_preemption_disabled+0x48/0x280
[  383.687588]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.692507]  ? kasan_check_read+0x11/0x20
[  383.696650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.701919]  ? rcu_softirq_qs+0x20/0x20
[  383.705894]  ? filemap_map_pages+0xd92/0x1a20
[  383.710388]  ? print_usage_bug+0xc0/0xc0
[  383.714448]  ? find_get_entries_tag+0x1400/0x1400
[  383.719287]  ? __kasan_slab_free+0x102/0x150
[  383.723693]  ? kasan_slab_free+0xe/0x10
[  383.727659]  ? kmem_cache_free+0x83/0x290
[  383.731802]  ? __sigqueue_free.part.29+0x74/0x90
[  383.736587]  ? lock_acquire+0x1ed/0x520
[  383.740553]  ? ext4_filemap_fault+0x7a/0xad
[  383.744872]  ? lock_release+0xa00/0xa00
[  383.748857]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.754304]  ? print_usage_bug+0xc0/0xc0
[  383.758363]  ? print_usage_bug+0xc0/0xc0
[  383.762447]  ? down_read+0x8d/0x120
[  383.766065]  ? ext4_filemap_fault+0x7a/0xad
[  383.770379]  ? __down_interruptible+0x700/0x700
[  383.775048]  ext4_filemap_fault+0x82/0xad
[  383.779190]  __do_fault+0x100/0x6b0
[  383.782818]  ? pmd_devmap_trans_unstable+0x220/0x220
[  383.787931]  ? mark_held_locks+0x130/0x130
[  383.792160]  ? mark_held_locks+0x130/0x130
[  383.796384]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  383.801916]  ? rcu_pm_notify+0xc0/0xc0
[  383.805853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.811389]  __handle_mm_fault+0x3ea0/0x5be0
[  383.815813]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  383.820647]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.825139]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.829717]  ? trace_hardirqs_on+0xbd/0x310
[  383.834039]  ? kasan_check_read+0x11/0x20
[  383.838186]  ? __set_current_blocked+0xdf/0x120
[  383.842850]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.847957]  ? zap_class+0x640/0x640
[  383.851666]  ? zap_class+0x640/0x640
[  383.855379]  ? find_held_lock+0x36/0x1c0
[  383.859440]  ? handle_mm_fault+0x42a/0xc70
[  383.863666]  ? lock_downgrade+0x900/0x900
[  383.867814]  ? check_preemption_disabled+0x48/0x280
[  383.872825]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.877753]  ? kasan_check_read+0x11/0x20
[  383.881900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.887169]  ? rcu_softirq_qs+0x20/0x20
[  383.891134]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.896234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.901769]  ? check_preemption_disabled+0x48/0x280
[  383.906793]  handle_mm_fault+0x54f/0xc70
[  383.910855]  ? __handle_mm_fault+0x5be0/0x5be0
[  383.915872]  ? find_vma+0x34/0x190
[  383.919410]  __do_page_fault+0x5e8/0xe60
[  383.923468]  ? exit_to_usermode_loop+0x1f4/0x380
[  383.928225]  do_page_fault+0xf2/0x7e0
[  383.932018]  ? vmalloc_sync_all+0x30/0x30
[  383.936162]  ? error_entry+0x70/0xd0
[  383.939869]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.944881]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.949808]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.954730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.959575]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.964585]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.970046]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.975050]  ? page_fault+0x8/0x30
[  383.978586]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.983442]  ? page_fault+0x8/0x30
[  383.986976]  page_fault+0x1e/0x30
[  383.990425] RIP: 0033:0x45db60
[  383.993626] Code: Bad RIP value.
[  383.996984] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  384.002338] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  384.009600] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  384.016860] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  384.024125] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  384.031383] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  384.038661] warn_alloc_show_mem: 1 callbacks suppressed
[  384.038670] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  384.038672] Mem-Info:
[  384.038702] active_anon:48041 inactive_anon:196 isolated_anon:0
[  384.038702]  active_file:13 inactive_file:15 isolated_file:0
[  384.038702]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.038702]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  384.038702]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  384.038702]  free:13795 free_pcp:455 free_cma:0
[  384.044029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.044035] Call Trace:
[  384.051307] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.053698]  <IRQ>
[  384.086561] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  384.095905]  dump_stack+0x244/0x39d
[  384.098458] lowmem_reserve[]: 0 2818 6321 6321
[  384.125855]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.127977] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  384.154079]  warn_alloc.cold.116+0xb7/0x1bd
[  384.157663] lowmem_reserve[]: 0 0 3503 3503
[  384.162239]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.167399] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  384.195149]  ? lock_downgrade+0x900/0x900
[  384.199765] lowmem_reserve[]: 0 0 0 0
[  384.204096]  ? trace_hardirqs_off+0xb8/0x310
[  384.208900] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  384.237865]  ? trace_hardirqs_off+0xb8/0x310
[  384.241979] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  384.245777]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.250149] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  384.263691]  ? warn_alloc+0x120/0x120
[  384.268055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.284256]  ? print_usage_bug+0xc0/0xc0
[  384.289061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.289069] 272 total pagecache pages
[  384.304225]  ? warn_alloc+0x120/0x120
[  384.308006] 0 pages in swap cache
[  384.316818]  ? warn_alloc+0x120/0x120
[  384.320853] Swap cache stats: add 0, delete 0, find 0/0
[  384.329413]  ? print_usage_bug+0xc0/0xc0
[  384.333187] Free swap  = 0kB
[  384.336976]  ? print_usage_bug+0xc0/0xc0
[  384.340399] Total swap = 0kB
[  384.344194]  ? __lock_acquire+0x62f/0x4c20
[  384.349529] 1965979 pages RAM
[  384.353576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.356559] 0 pages HighMem/MovableOnly
[  384.356566] 342853 pages reserved
[  384.360616]  ? should_fail+0x22d/0xd01
[  384.363602] 0 pages cma reserved
[  384.363665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.368363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.371494] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.376963]  ? __lock_acquire+0x62f/0x4c20
[  384.380904] syz-fuzzer cpuset=/ mems_allowed=0
[  384.384346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.427269]  ? __lock_acquire+0x62f/0x4c20
[  384.431496]  ? should_fail+0x22d/0xd01
[  384.435385]  ? mark_held_locks+0x130/0x130
[  384.439616]  ? mark_held_locks+0x130/0x130
[  384.443840]  ? zap_class+0x640/0x640
[  384.447552]  ? zap_class+0x640/0x640
[  384.451265]  ? print_usage_bug+0xc0/0xc0
[  384.455318]  ? wq_watchdog_touch+0x9c/0xfe
[  384.459554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.465088]  ? check_preemption_disabled+0x48/0x280
[  384.470108]  ? __lock_is_held+0xb5/0x140
[  384.474180]  __alloc_pages_nodemask+0xa80/0xde0
[  384.478842]  ? zap_class+0x640/0x640
[  384.482553]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.487582]  ? find_held_lock+0x36/0x1c0
[  384.491645]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.496308]  ? lock_downgrade+0x900/0x900
[  384.500454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.505989]  cache_grow_begin+0xa5/0x8c0
[  384.510040]  ? do_raw_spin_unlock+0xa7/0x330
[  384.514446]  fallback_alloc+0x204/0x2e0
[  384.518417]  ____cache_alloc_node+0x1c7/0x1e0
[  384.522909]  kmem_cache_alloc_node+0xe3/0x730
[  384.527399]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.531634]  __alloc_skb+0x119/0x770
[  384.535343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.540616]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.545016]  ? lock_downgrade+0x900/0x900
[  384.549163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.554698]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.560154]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.565598]  ? addrconf_rs_timer+0x690/0x690
[  384.570011]  ndisc_alloc_skb+0x144/0x340
[  384.574089]  ndisc_send_rs+0x331/0x6e0
[  384.577975]  addrconf_rs_timer+0x314/0x690
[  384.582213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.586455]  call_timer_fn+0x272/0x920
[  384.590331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.594558]  ? process_timeout+0x40/0x40
[  384.598620]  ? __run_timers+0x7da/0xc70
[  384.602587]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.607073]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.611558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.615805]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.620385]  ? trace_hardirqs_on+0xbd/0x310
[  384.624709]  ? kasan_check_read+0x11/0x20
[  384.628850]  ? __run_timers+0x7da/0xc70
[  384.632819]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.637925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.642152]  __run_timers+0x7e5/0xc70
[  384.645953]  ? timer_fixup_init+0x70/0x70
[  384.650096]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  384.655104]  ? zap_class+0x640/0x640
[  384.658814]  ? enqueue_hrtimer+0x1a5/0x560
[  384.663061]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  384.668253]  ? find_held_lock+0x36/0x1c0
[  384.672309]  ? zap_class+0x640/0x640
[  384.676017]  ? pvclock_read_flags+0x160/0x160
[  384.680508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.686038]  ? check_preemption_disabled+0x48/0x280
[  384.691056]  ? __lock_is_held+0xb5/0x140
[  384.695117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.700650]  ? check_preemption_disabled+0x48/0x280
[  384.705668]  run_timer_softirq+0x52/0xb0
[  384.709732]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.714744]  __do_softirq+0x308/0xb7e
[  384.718544]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.723032]  ? lock_downgrade+0x900/0x900
[  384.727175]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.732275]  ? pvclock_read_flags+0x160/0x160
[  384.736768]  ? lapic_next_event+0x5a/0x90
[  384.740908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.746446]  ? kvm_clock_read+0x18/0x30
[  384.750412]  ? kvm_sched_clock_read+0x9/0x20
[  384.754830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.760362]  ? check_preemption_disabled+0x48/0x280
[  384.765383]  irq_exit+0x17f/0x1c0
[  384.768832]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.773674]  ? smp_reschedule_interrupt+0x109/0x650
[  384.778687]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.784566]  ? interrupt_entry+0xb5/0xc0
[  384.788623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.793631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.798646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.803491]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.808499]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.813518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.818363]  apic_timer_interrupt+0xf/0x20
[  384.822584]  </IRQ>
[  384.824816] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  384.829740] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  384.848630] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.856339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  384.863599] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  384.870862] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  384.878121] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  384.885385] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  384.892682]  skb_clone+0x1bb/0x500
[  384.896221]  ? finish_task_switch+0x2f4/0x910
[  384.900709]  ? skb_split+0x11e0/0x11e0
[  384.904595]  ? preempt_notifier_register+0x200/0x200
[  384.909690]  ? __switch_to_asm+0x34/0x70
[  384.913744]  ? __switch_to_asm+0x34/0x70
[  384.917795]  ? __switch_to_asm+0x40/0x70
[  384.921847]  ? __switch_to_asm+0x34/0x70
[  384.925902]  ? __switch_to_asm+0x40/0x70
[  384.929954]  ? __switch_to_asm+0x34/0x70
[  384.934009]  ? __switch_to_asm+0x40/0x70
[  384.938059]  ? __switch_to_asm+0x34/0x70
[  384.942108]  ? __switch_to_asm+0x34/0x70
[  384.946178]  ? __switch_to_asm+0x40/0x70
[  384.950235]  ? __switch_to_asm+0x34/0x70
[  384.954295]  bpf_clone_redirect+0xb9/0x490
[  384.958527]  ? __schedule+0x8d7/0x21d0
[  384.962410]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  384.967426]  ? __sched_text_start+0x8/0x8
[  384.971568]  ? retint_kernel+0x2d/0x2d
[  384.975458]  ? find_held_lock+0x36/0x1c0
[  384.979521]  ? lock_acquire+0x1ed/0x520
[  384.983488]  ? bpf_test_run+0x3cb/0x780
[  384.987455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.992987]  ? check_preemption_disabled+0x48/0x280
[  384.997999]  ? kasan_check_read+0x11/0x20
[  385.002248]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.007516]  ? rcu_softirq_qs+0x20/0x20
[  385.011485]  ? preempt_schedule+0x4d/0x60
[  385.015629]  ? ___preempt_schedule+0x16/0x18
[  385.020063]  ? bpf_test_run+0x25d/0x780
[  385.024040]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.028447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.033975]  ? bpf_test_init.isra.10+0x70/0x100
[  385.038641]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  385.043405]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.048240]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.053769]  ? fput+0x130/0x1a0
[  385.057044]  ? __bpf_prog_get+0x9b/0x290
[  385.061101]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.065932]  ? bpf_prog_test_run+0x130/0x1a0
[  385.070332]  ? __x64_sys_bpf+0x3d8/0x520
[  385.074389]  ? bpf_prog_get+0x20/0x20
[  385.078216]  ? do_syscall_64+0x1b9/0x820
[  385.082269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.087628]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.092557]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.097568]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.102585]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  385.109242]  ? __switch_to_asm+0x40/0x70
[  385.113290]  ? __switch_to_asm+0x34/0x70
[  385.117353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.122199]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.127569] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  385.127631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.134486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.134491] Call Trace:
[  385.134496]  <IRQ>
[  385.134511]  dump_stack+0x244/0x39d
[  385.134530]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.141041] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.150346]  warn_alloc.cold.116+0xb7/0x1bd
[  385.152898] syz-executor4 cpuset=syz4 mems_allowed=0
[  385.155039]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.188490]  ? lock_downgrade+0x900/0x900
[  385.192643]  ? trace_hardirqs_off+0xb8/0x310
[  385.197052]  ? trace_hardirqs_off+0xb8/0x310
[  385.201860]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.206722]  ? warn_alloc+0x120/0x120
[  385.210518]  ? print_usage_bug+0xc0/0xc0
[  385.214574]  ? warn_alloc+0x120/0x120
[  385.218371]  ? warn_alloc+0x120/0x120
[  385.222167]  ? print_usage_bug+0xc0/0xc0
[  385.226226]  ? print_usage_bug+0xc0/0xc0
[  385.230281]  ? __lock_acquire+0x62f/0x4c20
[  385.234512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.240042]  ? should_fail+0x22d/0xd01
[  385.243927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.249023]  ? __lock_acquire+0x62f/0x4c20
[  385.253517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.258615]  ? __lock_acquire+0x62f/0x4c20
[  385.262847]  ? should_fail+0x22d/0xd01
[  385.266726]  ? find_held_lock+0x36/0x1c0
[  385.270791]  ? mark_held_locks+0x130/0x130
[  385.275027]  ? mark_held_locks+0x130/0x130
[  385.279255]  ? zap_class+0x640/0x640
[  385.282967]  ? zap_class+0x640/0x640
[  385.286684]  ? print_usage_bug+0xc0/0xc0
[  385.290740]  ? do_raw_spin_unlock+0xa7/0x330
[  385.295142]  ? zap_class+0x640/0x640
[  385.298867]  ? print_usage_bug+0xc0/0xc0
[  385.302920]  ? wq_watchdog_touch+0x9c/0xfe
[  385.307147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.312683]  ? check_preemption_disabled+0x48/0x280
[  385.317700]  ? __lock_is_held+0xb5/0x140
[  385.321759]  __alloc_pages_nodemask+0xa80/0xde0
[  385.326419]  ? zap_class+0x640/0x640
[  385.330127]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.335143]  ? find_held_lock+0x36/0x1c0
[  385.339208]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.343869]  ? lock_downgrade+0x900/0x900
[  385.348021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.353556]  cache_grow_begin+0xa5/0x8c0
[  385.357607]  ? do_raw_spin_unlock+0xa7/0x330
[  385.362022]  fallback_alloc+0x204/0x2e0
[  385.365995]  ____cache_alloc_node+0x1c7/0x1e0
[  385.370487]  kmem_cache_alloc_node+0xe3/0x730
[  385.374976]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.379210]  __alloc_skb+0x119/0x770
[  385.382914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.388191]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.392596]  ? lock_downgrade+0x900/0x900
[  385.396748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.402282]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.407731]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.413176]  ? addrconf_rs_timer+0x690/0x690
[  385.417587]  ndisc_alloc_skb+0x144/0x340
[  385.421652]  ndisc_send_rs+0x331/0x6e0
[  385.425541]  addrconf_rs_timer+0x314/0x690
[  385.429775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.434014]  call_timer_fn+0x272/0x920
[  385.437905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.442140]  ? process_timeout+0x40/0x40
[  385.446205]  ? mark_held_locks+0xc7/0x130
[  385.450350]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.454845]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.459335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.463567]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.468151]  ? trace_hardirqs_on+0xbd/0x310
[  385.472475]  ? kasan_check_read+0x11/0x20
[  385.476627]  ? __run_timers+0x7da/0xc70
[  385.480604]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.485724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.489964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.494195]  __run_timers+0x7e5/0xc70
[  385.498006]  ? timer_fixup_init+0x70/0x70
[  385.502159]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.507172]  ? zap_class+0x640/0x640
[  385.510887]  ? print_usage_bug+0xc0/0xc0
[  385.514947]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.520141]  ? find_held_lock+0x36/0x1c0
[  385.524209]  ? zap_class+0x640/0x640
[  385.527932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.533470]  ? check_preemption_disabled+0x48/0x280
[  385.538494]  ? __lock_is_held+0xb5/0x140
[  385.542558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.548097]  ? check_preemption_disabled+0x48/0x280
[  385.553116]  run_timer_softirq+0x52/0xb0
[  385.557180]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.562196]  __do_softirq+0x308/0xb7e
[  385.565999]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.570495]  ? lock_downgrade+0x900/0x900
[  385.574661]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.579777]  ? pvclock_read_flags+0x160/0x160
[  385.584274]  ? lapic_next_event+0x5a/0x90
[  385.588424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.593970]  ? kvm_clock_read+0x18/0x30
[  385.597945]  ? kvm_sched_clock_read+0x9/0x20
[  385.602359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.607897]  ? check_preemption_disabled+0x48/0x280
[  385.612922]  irq_exit+0x17f/0x1c0
[  385.616376]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.621222]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.627104]  ? interrupt_entry+0xb5/0xc0
[  385.631167]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.636183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.641201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.646048]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.651062]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.656078]  ? task_prio+0x50/0x50
[  385.659629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.665168]  ? check_preemption_disabled+0x48/0x280
[  385.670191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.675041]  apic_timer_interrupt+0xf/0x20
[  385.679273]  </IRQ>
[  385.681514] RIP: 0010:console_unlock+0x102f/0x1190
[  385.686444] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  385.705342] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  385.713055] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  385.720322] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  385.727602] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  385.734873] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  385.742146] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  385.749421]  ? netconsole_netdev_event+0x280/0x280
[  385.754357]  ? console_unlock+0x1026/0x1190
[  385.758699]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  385.763367]  ? vprintk_emit+0x846/0x990
[  385.767343]  ? lock_release+0xa00/0xa00
[  385.771316]  ? trace_hardirqs_on+0x60/0x310
[  385.775655]  ? vprintk_default+0x28/0x30
[  385.779718]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.784828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.790372]  vprintk_emit+0x391/0x990
[  385.794183]  ? wake_up_klogd+0x180/0x180
[  385.798250]  ? find_held_lock+0x1/0x1c0
[  385.802237]  ? mark_held_locks+0xc7/0x130
[  385.806506]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.811001]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.815505]  vprintk_default+0x28/0x30
[  385.819395]  vprintk_func+0x7e/0x181
[  385.823113]  printk+0xa7/0xcf
[  385.826222]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  385.830981]  ? _raw_spin_unlock_irq+0x60/0x80
[  385.835486]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  385.840776]  dump_header+0x7cc/0xf72
[  385.844501]  ? pagefault_out_of_memory+0x197/0x197
[  385.849440]  ? __lock_acquire+0x62f/0x4c20
[  385.853682]  ? percpu_ref_get_many+0x240/0x240
[  385.858267]  ? print_usage_bug+0xc0/0xc0
[  385.862333]  ? zap_class+0x640/0x640
[  385.866052]  ? print_usage_bug+0xc0/0xc0
[  385.870120]  ? zap_class+0x640/0x640
[  385.873842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.879382]  ? find_held_lock+0x36/0x1c0
[  385.883452]  ? mark_held_locks+0xc7/0x130
[  385.887618]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.892729]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.897833]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.902416]  ? trace_hardirqs_on+0xbd/0x310
[  385.906739]  ? kasan_check_read+0x11/0x20
[  385.910892]  ? ___ratelimit+0x3b4/0x672
[  385.914916]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.920025]  ? trace_hardirqs_on+0x310/0x310
[  385.924438]  ? lock_downgrade+0x900/0x900
[  385.928607]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.933713]  ? ___ratelimit+0x3b9/0x672
[  385.937692]  ? idr_get_free+0xf70/0xf70
[  385.941672]  ? find_held_lock+0x36/0x1c0
[  385.945747]  oom_kill_process.cold.27+0x10/0x903
[  385.950507]  ? zap_class+0x640/0x640
[  385.954227]  ? check_preemption_disabled+0x48/0x280
[  385.959249]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.964177]  ? kasan_check_read+0x11/0x20
[  385.968329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.973625]  ? oom_evaluate_task+0x540/0x540
[  385.978036]  ? find_held_lock+0x36/0x1c0
[  385.982109]  ? out_of_memory+0x974/0x1430
[  385.986258]  ? lock_downgrade+0x900/0x900
[  385.990410]  ? check_preemption_disabled+0x48/0x280
[  385.995431]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.000363]  ? kasan_check_read+0x11/0x20
[  386.004511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.009790]  ? rcu_softirq_qs+0x20/0x20
[  386.013772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.019308]  ? oom_evaluate_task+0x302/0x540
[  386.023720]  out_of_memory+0xa84/0x1430
[  386.027701]  ? oom_killer_disable+0x3a0/0x3a0
[  386.032197]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  386.037133]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.042159]  __alloc_pages_slowpath+0x2354/0x2e10
[  386.047027]  ? warn_alloc+0x120/0x120
[  386.050827]  ? mark_held_locks+0x130/0x130
[  386.055066]  ? find_get_entry+0xaae/0x1120
[  386.059307]  ? filemap_map_pages+0x1a20/0x1a20
[  386.063892]  ? zap_class+0x640/0x640
[  386.067622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.073162]  ? check_preemption_disabled+0x48/0x280
[  386.078178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.083716]  ? should_fail+0x22d/0xd01
[  386.087619]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.092724]  ? zap_class+0x640/0x640
[  386.096459]  ? __lock_is_held+0xb5/0x140
[  386.100526]  ? mark_held_locks+0x130/0x130
[  386.104763]  ? lock_release+0xa00/0xa00
[  386.108742]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.114193]  ? xa_load+0x2ba/0x460
[  386.117742]  ? lock_downgrade+0x900/0x900
[  386.121894]  ? __might_sleep+0x95/0x190
[  386.125874]  __alloc_pages_nodemask+0xa80/0xde0
[  386.130548]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.135592]  ? __page_cache_alloc+0x191/0x5c0
[  386.140091]  ? xa_load+0x2e1/0x460
[  386.143633]  ? xa_clear_mark+0x40/0x40
[  386.147527]  ? zap_class+0x640/0x640
[  386.151265]  ? zap_class+0x640/0x640
[  386.155024]  ? zap_class+0x640/0x640
[  386.158739]  ? __do_page_cache_readahead+0x663/0x810
[  386.163847]  ? find_held_lock+0x36/0x1c0
[  386.167918]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  386.173474]  alloc_pages_current+0x173/0x350
[  386.177928]  __page_cache_alloc+0x38c/0x5c0
[  386.182254]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.187193]  ? kasan_check_read+0x11/0x20
[  386.191345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.196626]  ? generic_perform_write+0x6a0/0x6a0
[  386.201832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.207378]  ? check_preemption_disabled+0x48/0x280
[  386.212408]  filemap_fault+0x1595/0x25f0
[  386.216485]  ? __lock_page_or_retry+0xa00/0xa00
[  386.221156]  ? mark_held_locks+0x130/0x130
[  386.225404]  ? filemap_map_pages+0xd6b/0x1a20
[  386.229905]  ? lock_downgrade+0x900/0x900
[  386.234054]  ? check_preemption_disabled+0x48/0x280
[  386.239073]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.244007]  ? kasan_check_read+0x11/0x20
[  386.248159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.253437]  ? rcu_softirq_qs+0x20/0x20
[  386.257423]  ? filemap_map_pages+0xd92/0x1a20
[  386.261927]  ? print_usage_bug+0xc0/0xc0
[  386.265998]  ? find_get_entries_tag+0x1400/0x1400
[  386.270841]  ? __kasan_slab_free+0x102/0x150
[  386.275251]  ? kasan_slab_free+0xe/0x10
[  386.279228]  ? kmem_cache_free+0x83/0x290
[  386.283383]  ? __sigqueue_free.part.29+0x74/0x90
[  386.288154]  ? lock_acquire+0x1ed/0x520
[  386.292131]  ? ext4_filemap_fault+0x7a/0xad
[  386.296460]  ? lock_release+0xa00/0xa00
[  386.300435]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.305890]  ? print_usage_bug+0xc0/0xc0
[  386.309954]  ? print_usage_bug+0xc0/0xc0
[  386.314029]  ? down_read+0x8d/0x120
[  386.317660]  ? ext4_filemap_fault+0x7a/0xad
[  386.321988]  ? __down_interruptible+0x700/0x700
[  386.326672]  ext4_filemap_fault+0x82/0xad
[  386.330824]  __do_fault+0x100/0x6b0
[  386.334454]  ? pmd_devmap_trans_unstable+0x220/0x220
[  386.339575]  ? mark_held_locks+0x130/0x130
[  386.343818]  ? mark_held_locks+0x130/0x130
[  386.348058]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  386.353606]  ? rcu_pm_notify+0xc0/0xc0
[  386.357505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.363049]  __handle_mm_fault+0x3ea0/0x5be0
[  386.367631]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  386.372480]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.376978]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.381577]  ? trace_hardirqs_on+0xbd/0x310
[  386.385911]  ? kasan_check_read+0x11/0x20
[  386.390062]  ? __set_current_blocked+0xdf/0x120
[  386.394733]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.399845]  ? zap_class+0x640/0x640
[  386.403574]  ? zap_class+0x640/0x640
[  386.407303]  ? find_held_lock+0x36/0x1c0
[  386.411373]  ? handle_mm_fault+0x42a/0xc70
[  386.415610]  ? lock_downgrade+0x900/0x900
[  386.419763]  ? check_preemption_disabled+0x48/0x280
[  386.424786]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.429717]  ? kasan_check_read+0x11/0x20
[  386.433865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.439144]  ? rcu_softirq_qs+0x20/0x20
[  386.443124]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.448231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.453767]  ? check_preemption_disabled+0x48/0x280
[  386.458795]  handle_mm_fault+0x54f/0xc70
[  386.462861]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.467461]  ? find_vma+0x34/0x190
[  386.471064]  __do_page_fault+0x5e8/0xe60
[  386.475127]  ? exit_to_usermode_loop+0x1f4/0x380
[  386.479891]  do_page_fault+0xf2/0x7e0
[  386.483693]  ? vmalloc_sync_all+0x30/0x30
[  386.487841]  ? error_entry+0x70/0xd0
[  386.491568]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.496591]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.501521]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.506470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.511313]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.516327]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.521783]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.526798]  ? page_fault+0x8/0x30
[  386.530344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.535192]  ? page_fault+0x8/0x30
[  386.538734]  page_fault+0x1e/0x30
[  386.542190] RIP: 0033:0x45db60
[  386.545396] Code: Bad RIP value.
[  386.548755] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  386.554170] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  386.561439] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  386.568709] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  386.575982] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  386.583250] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  386.590553] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  386.590557] warn_alloc_show_mem: 1 callbacks suppressed
[  386.590567] Mem-Info:
[  386.597842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.603216] active_anon:48041 inactive_anon:196 isolated_anon:0
[  386.603216]  active_file:13 inactive_file:15 isolated_file:0
[  386.603216]  unevictable:0 dirty:0 writeback:0 unstable:0
[  386.603216]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  386.603216]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  386.603216]  free:13795 free_pcp:455 free_cma:0
[  386.605588] Call Trace:
[  386.614969] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  386.647817]  <IRQ>
[  386.650386] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  386.677796]  dump_stack+0x244/0x39d
[  386.679924] lowmem_reserve[]: 0 2818 6321 6321
[  386.706032]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.709637] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  386.714225]  warn_alloc.cold.116+0xb7/0x1bd
[  386.719379] lowmem_reserve[]: 0 0 3503 3503
[  386.747144]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.751444] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  386.755765]  ? lock_downgrade+0x900/0x900
[  386.760576] lowmem_reserve[]: 0 0 0 0
[  386.789557]  ? trace_hardirqs_off+0xb8/0x310
[  386.793683] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  386.797481]  ? trace_hardirqs_off+0xb8/0x310
[  386.801866] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  386.815389]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.819768] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  386.836029]  ? warn_alloc+0x120/0x120
[  386.840839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  386.856001]  ? print_usage_bug+0xc0/0xc0
[  386.859784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  386.868610]  ? warn_alloc+0x120/0x120
[  386.872646] 272 total pagecache pages
[  386.881214]  ? warn_alloc+0x120/0x120
[  386.885000] 0 pages in swap cache
[  386.888786]  ? print_usage_bug+0xc0/0xc0
[  386.892568] Swap cache stats: add 0, delete 0, find 0/0
[  386.896014]  ? print_usage_bug+0xc0/0xc0
[  386.900047] Free swap  = 0kB
[  386.900054] Total swap = 0kB
[  386.905411]  ? __lock_acquire+0x62f/0x4c20
[  386.909450] 1965979 pages RAM
[  386.912463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.915458] 0 pages HighMem/MovableOnly
[  386.919688]  ? should_fail+0x22d/0xd01
[  386.922766] 342853 pages reserved
[  386.922773] 0 pages cma reserved
[  386.928303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.932307] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.936130]  ? __lock_acquire+0x62f/0x4c20
[  386.936148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.936163]  ? __lock_acquire+0x62f/0x4c20
[  386.939646] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.942954]  ? should_fail+0x22d/0xd01
[  386.948119] syz-fuzzer cpuset=/ mems_allowed=0
[  386.954604]  ? find_held_lock+0x36/0x1c0
[  386.990829]  ? mark_held_locks+0x130/0x130
[  386.995072]  ? mark_held_locks+0x130/0x130
[  386.999308]  ? zap_class+0x640/0x640
[  387.003023]  ? zap_class+0x640/0x640
[  387.006743]  ? print_usage_bug+0xc0/0xc0
[  387.010803]  ? do_raw_spin_unlock+0xa7/0x330
[  387.015212]  ? zap_class+0x640/0x640
[  387.018930]  ? print_usage_bug+0xc0/0xc0
[  387.022995]  ? wq_watchdog_touch+0x9c/0xfe
[  387.027233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.032771]  ? check_preemption_disabled+0x48/0x280
[  387.037797]  ? __lock_is_held+0xb5/0x140
[  387.041862]  __alloc_pages_nodemask+0xa80/0xde0
[  387.046536]  ? zap_class+0x640/0x640
[  387.050258]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.055284]  ? find_held_lock+0x36/0x1c0
[  387.059359]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.064034]  ? lock_downgrade+0x900/0x900
[  387.068193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.073737]  cache_grow_begin+0xa5/0x8c0
[  387.077798]  ? do_raw_spin_unlock+0xa7/0x330
[  387.082213]  fallback_alloc+0x204/0x2e0
[  387.086196]  ____cache_alloc_node+0x1c7/0x1e0
[  387.090699]  kmem_cache_alloc_node+0xe3/0x730
[  387.095199]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.099445]  __alloc_skb+0x119/0x770
[  387.103160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.108447]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.112867]  ? lock_downgrade+0x900/0x900
[  387.117029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.122566]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.128023]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.133472]  ? addrconf_rs_timer+0x690/0x690
[  387.137909]  ndisc_alloc_skb+0x144/0x340
[  387.141978]  ndisc_send_rs+0x331/0x6e0
[  387.145871]  addrconf_rs_timer+0x314/0x690
[  387.150111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.154357]  call_timer_fn+0x272/0x920
[  387.158245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.162492]  ? process_timeout+0x40/0x40
[  387.166561]  ? __run_timers+0x7da/0xc70
[  387.170540]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.175035]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.179533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.183768]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.188354]  ? trace_hardirqs_on+0xbd/0x310
[  387.192676]  ? kasan_check_read+0x11/0x20
[  387.196822]  ? __run_timers+0x7da/0xc70
[  387.200797]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.205909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.210145]  __run_timers+0x7e5/0xc70
[  387.213958]  ? timer_fixup_init+0x70/0x70
[  387.218106]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.223126]  ? zap_class+0x640/0x640
[  387.226843]  ? enqueue_hrtimer+0x1a5/0x560
[  387.231081]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.236276]  ? find_held_lock+0x36/0x1c0
[  387.240352]  ? zap_class+0x640/0x640
[  387.244089]  ? pvclock_read_flags+0x160/0x160
[  387.248589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.254128]  ? check_preemption_disabled+0x48/0x280
[  387.259152]  ? __lock_is_held+0xb5/0x140
[  387.263218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.268755]  ? check_preemption_disabled+0x48/0x280
[  387.273775]  run_timer_softirq+0x52/0xb0
[  387.277840]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.282857]  __do_softirq+0x308/0xb7e
[  387.286663]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.291160]  ? lock_downgrade+0x900/0x900
[  387.295315]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.300423]  ? pvclock_read_flags+0x160/0x160
[  387.304922]  ? lapic_next_event+0x5a/0x90
[  387.309075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.314618]  ? kvm_clock_read+0x18/0x30
[  387.318590]  ? kvm_sched_clock_read+0x9/0x20
[  387.323001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.328544]  ? check_preemption_disabled+0x48/0x280
[  387.333570]  irq_exit+0x17f/0x1c0
[  387.337030]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.341871]  ? smp_reschedule_interrupt+0x109/0x650
[  387.346889]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.352775]  ? interrupt_entry+0xb5/0xc0
[  387.356839]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.361895]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.366917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.371762]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.376782]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.381810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.386665]  apic_timer_interrupt+0xf/0x20
[  387.390893]  </IRQ>
[  387.393133] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  387.398065] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  387.416967] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.424682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.431950] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  387.439220] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  387.446508] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  387.453779] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  387.461082]  skb_clone+0x1bb/0x500
[  387.464625]  ? finish_task_switch+0x2f4/0x910
[  387.469124]  ? skb_split+0x11e0/0x11e0
[  387.473023]  ? preempt_notifier_register+0x200/0x200
[  387.478127]  ? __switch_to_asm+0x34/0x70
[  387.482192]  ? __switch_to_asm+0x34/0x70
[  387.486250]  ? __switch_to_asm+0x40/0x70
[  387.490313]  ? __switch_to_asm+0x34/0x70
[  387.494373]  ? __switch_to_asm+0x40/0x70
[  387.498430]  ? __switch_to_asm+0x34/0x70
[  387.502509]  ? __switch_to_asm+0x40/0x70
[  387.506571]  ? __switch_to_asm+0x34/0x70
[  387.510633]  ? __switch_to_asm+0x34/0x70
[  387.514692]  ? __switch_to_asm+0x40/0x70
[  387.518750]  ? __switch_to_asm+0x34/0x70
[  387.522817]  bpf_clone_redirect+0xb9/0x490
[  387.527055]  ? __schedule+0x8d7/0x21d0
[  387.530950]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  387.535972]  ? __sched_text_start+0x8/0x8
[  387.540149]  ? retint_kernel+0x2d/0x2d
[  387.544050]  ? find_held_lock+0x36/0x1c0
[  387.548121]  ? lock_acquire+0x1ed/0x520
[  387.552094]  ? bpf_test_run+0x3cb/0x780
[  387.556072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.561611]  ? check_preemption_disabled+0x48/0x280
[  387.566636]  ? kasan_check_read+0x11/0x20
[  387.570789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.576070]  ? rcu_softirq_qs+0x20/0x20
[  387.580045]  ? preempt_schedule+0x4d/0x60
[  387.584194]  ? ___preempt_schedule+0x16/0x18
[  387.588608]  ? bpf_test_run+0x25d/0x780
[  387.592591]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.597006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.602545]  ? bpf_test_init.isra.10+0x70/0x100
[  387.607221]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  387.611993]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.616834]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.622371]  ? fput+0x130/0x1a0
[  387.625654]  ? __bpf_prog_get+0x9b/0x290
[  387.629722]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.634568]  ? bpf_prog_test_run+0x130/0x1a0
[  387.638987]  ? __x64_sys_bpf+0x3d8/0x520
[  387.643047]  ? bpf_prog_get+0x20/0x20
[  387.646863]  ? do_syscall_64+0x1b9/0x820
[  387.650925]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.656288]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.661220]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.666236]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.671255]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  387.677923]  ? __switch_to_asm+0x40/0x70
[  387.681990]  ? __switch_to_asm+0x34/0x70
[  387.686063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.690911]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.696289] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  387.696347] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.703215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.703222] Call Trace:
[  387.709784] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.719047]  <IRQ>
[  387.721617] syz-executor4 cpuset=syz4 mems_allowed=0
[  387.732099]  dump_stack+0x244/0x39d
[  387.742942]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.748146]  warn_alloc.cold.116+0xb7/0x1bd
[  387.752480]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.757328]  ? lock_downgrade+0x900/0x900
[  387.761491]  ? trace_hardirqs_off+0xb8/0x310
[  387.765910]  ? trace_hardirqs_off+0xb8/0x310
[  387.770327]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.775192]  ? warn_alloc+0x120/0x120
[  387.778994]  ? print_usage_bug+0xc0/0xc0
[  387.783058]  ? warn_alloc+0x120/0x120
[  387.786866]  ? warn_alloc+0x120/0x120
[  387.790672]  ? print_usage_bug+0xc0/0xc0
[  387.794742]  ? print_usage_bug+0xc0/0xc0
[  387.798807]  ? __lock_acquire+0x62f/0x4c20
[  387.803050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.808591]  ? should_fail+0x22d/0xd01
[  387.812490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.817597]  ? __lock_acquire+0x62f/0x4c20
[  387.821835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.826939]  ? __lock_acquire+0x62f/0x4c20
[  387.831172]  ? should_fail+0x22d/0xd01
[  387.835062]  ? find_held_lock+0x36/0x1c0
[  387.839136]  ? mark_held_locks+0x130/0x130
[  387.843375]  ? mark_held_locks+0x130/0x130
[  387.847611]  ? zap_class+0x640/0x640
[  387.851327]  ? zap_class+0x640/0x640
[  387.855048]  ? print_usage_bug+0xc0/0xc0
[  387.859111]  ? do_raw_spin_unlock+0xa7/0x330
[  387.863522]  ? zap_class+0x640/0x640
[  387.867237]  ? print_usage_bug+0xc0/0xc0
[  387.871302]  ? wq_watchdog_touch+0x9c/0xfe
[  387.875540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.881079]  ? check_preemption_disabled+0x48/0x280
[  387.886106]  ? __lock_is_held+0xb5/0x140
[  387.890172]  __alloc_pages_nodemask+0xa80/0xde0
[  387.894844]  ? zap_class+0x640/0x640
[  387.898565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.903590]  ? find_held_lock+0x36/0x1c0
[  387.907661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.912330]  ? lock_downgrade+0x900/0x900
[  387.916495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.922035]  cache_grow_begin+0xa5/0x8c0
[  387.926100]  ? do_raw_spin_unlock+0xa7/0x330
[  387.930520]  fallback_alloc+0x204/0x2e0
[  387.934500]  ____cache_alloc_node+0x1c7/0x1e0
[  387.939001]  kmem_cache_alloc_node+0xe3/0x730
[  387.943496]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.947740]  __alloc_skb+0x119/0x770
[  387.951495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.956778]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.961192]  ? lock_downgrade+0x900/0x900
[  387.965346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.970887]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.976342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.981791]  ? addrconf_rs_timer+0x690/0x690
[  387.986210]  ndisc_alloc_skb+0x144/0x340
[  387.990275]  ndisc_send_rs+0x331/0x6e0
[  387.994166]  addrconf_rs_timer+0x314/0x690
[  387.998423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.002669]  call_timer_fn+0x272/0x920
[  388.006558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.010793]  ? process_timeout+0x40/0x40
[  388.014865]  ? mark_held_locks+0xc7/0x130
[  388.019014]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.023507]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.028006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.032242]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.036828]  ? trace_hardirqs_on+0xbd/0x310
[  388.041154]  ? kasan_check_read+0x11/0x20
[  388.045299]  ? __run_timers+0x7da/0xc70
[  388.049273]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.054381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.058633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.062866]  __run_timers+0x7e5/0xc70
[  388.066679]  ? timer_fixup_init+0x70/0x70
[  388.070828]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.075845]  ? zap_class+0x640/0x640
[  388.079566]  ? print_usage_bug+0xc0/0xc0
[  388.083632]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.088839]  ? find_held_lock+0x36/0x1c0
[  388.092905]  ? zap_class+0x640/0x640
[  388.096628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.102169]  ? check_preemption_disabled+0x48/0x280
[  388.107195]  ? __lock_is_held+0xb5/0x140
[  388.111348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.116889]  ? check_preemption_disabled+0x48/0x280
[  388.121915]  run_timer_softirq+0x52/0xb0
[  388.125978]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.131000]  __do_softirq+0x308/0xb7e
[  388.134803]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.139301]  ? lock_downgrade+0x900/0x900
[  388.143458]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.148569]  ? pvclock_read_flags+0x160/0x160
[  388.153071]  ? lapic_next_event+0x5a/0x90
[  388.157220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.162762]  ? kvm_clock_read+0x18/0x30
[  388.166735]  ? kvm_sched_clock_read+0x9/0x20
[  388.171148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.176723]  ? check_preemption_disabled+0x48/0x280
[  388.181754]  irq_exit+0x17f/0x1c0
[  388.185213]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.190057]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.195939]  ? interrupt_entry+0xb5/0xc0
[  388.200477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.205496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.210514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.215359]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.220400]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.225440]  ? task_prio+0x50/0x50
[  388.228983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.234526]  ? check_preemption_disabled+0x48/0x280
[  388.239547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.244414]  apic_timer_interrupt+0xf/0x20
[  388.248647]  </IRQ>
[  388.250890] RIP: 0010:console_unlock+0x102f/0x1190
[  388.255820] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  388.274721] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  388.282437] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  388.289709] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  388.296974] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  388.304246] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  388.311555] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  388.318862]  ? netconsole_netdev_event+0x280/0x280
[  388.323800]  ? console_unlock+0x1026/0x1190
[  388.328143]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  388.332810]  ? vprintk_emit+0x846/0x990
[  388.336884]  ? lock_release+0xa00/0xa00
[  388.340869]  ? trace_hardirqs_on+0x60/0x310
[  388.345231]  ? vprintk_default+0x28/0x30
[  388.349295]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.354412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.359964]  vprintk_emit+0x391/0x990
[  388.363770]  ? wake_up_klogd+0x180/0x180
[  388.368047]  ? find_held_lock+0x1/0x1c0
[  388.372036]  ? mark_held_locks+0xc7/0x130
[  388.376187]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.380682]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.385182]  vprintk_default+0x28/0x30
[  388.389117]  vprintk_func+0x7e/0x181
[  388.392837]  printk+0xa7/0xcf
[  388.395943]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  388.400701]  ? _raw_spin_unlock_irq+0x60/0x80
[  388.405211]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  388.410496]  dump_header+0x7cc/0xf72
[  388.414222]  ? pagefault_out_of_memory+0x197/0x197
[  388.419158]  ? __lock_acquire+0x62f/0x4c20
[  388.423419]  ? percpu_ref_get_many+0x240/0x240
[  388.428015]  ? print_usage_bug+0xc0/0xc0
[  388.432085]  ? zap_class+0x640/0x640
[  388.435806]  ? print_usage_bug+0xc0/0xc0
[  388.439875]  ? zap_class+0x640/0x640
[  388.443592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.449135]  ? find_held_lock+0x36/0x1c0
[  388.453204]  ? mark_held_locks+0xc7/0x130
[  388.457352]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.462467]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.467574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.472157]  ? trace_hardirqs_on+0xbd/0x310
[  388.476482]  ? kasan_check_read+0x11/0x20
[  388.480632]  ? ___ratelimit+0x3b4/0x672
[  388.484612]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.489719]  ? trace_hardirqs_on+0x310/0x310
[  388.494129]  ? lock_downgrade+0x900/0x900
[  388.498282]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.503434]  ? ___ratelimit+0x3b9/0x672
[  388.507423]  ? idr_get_free+0xf70/0xf70
[  388.511413]  ? find_held_lock+0x36/0x1c0
[  388.515486]  oom_kill_process.cold.27+0x10/0x903
[  388.520243]  ? zap_class+0x640/0x640
[  388.523959]  ? check_preemption_disabled+0x48/0x280
[  388.528982]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.533912]  ? kasan_check_read+0x11/0x20
[  388.538058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.543336]  ? oom_evaluate_task+0x540/0x540
[  388.547765]  ? find_held_lock+0x36/0x1c0
[  388.551836]  ? out_of_memory+0x974/0x1430
[  388.555988]  ? lock_downgrade+0x900/0x900
[  388.560142]  ? check_preemption_disabled+0x48/0x280
[  388.565165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.570097]  ? kasan_check_read+0x11/0x20
[  388.574250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.579527]  ? rcu_softirq_qs+0x20/0x20
[  388.583509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.589051]  ? oom_evaluate_task+0x302/0x540
[  388.593467]  out_of_memory+0xa84/0x1430
[  388.597447]  ? oom_killer_disable+0x3a0/0x3a0
[  388.601946]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  388.606877]  ? __ww_mutex_check_waiters+0x160/0x160
[  388.611905]  __alloc_pages_slowpath+0x2354/0x2e10
[  388.616773]  ? warn_alloc+0x120/0x120
[  388.620576]  ? mark_held_locks+0x130/0x130
[  388.624815]  ? find_get_entry+0xaae/0x1120
[  388.629058]  ? filemap_map_pages+0x1a20/0x1a20
[  388.633647]  ? zap_class+0x640/0x640
[  388.637383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.642925]  ? check_preemption_disabled+0x48/0x280
[  388.647942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.653483]  ? should_fail+0x22d/0xd01
[  388.657398]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.662505]  ? zap_class+0x640/0x640
[  388.666245]  ? __lock_is_held+0xb5/0x140
[  388.670315]  ? mark_held_locks+0x130/0x130
[  388.674555]  ? lock_release+0xa00/0xa00
[  388.678534]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.683989]  ? xa_load+0x2ba/0x460
[  388.687573]  ? lock_downgrade+0x900/0x900
[  388.691724]  ? __might_sleep+0x95/0x190
[  388.695703]  __alloc_pages_nodemask+0xa80/0xde0
[  388.700390]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.705417]  ? __page_cache_alloc+0x191/0x5c0
[  388.709909]  ? xa_load+0x2e1/0x460
[  388.713451]  ? xa_clear_mark+0x40/0x40
[  388.717344]  ? zap_class+0x640/0x640
[  388.721088]  ? zap_class+0x640/0x640
[  388.724800]  ? zap_class+0x640/0x640
[  388.728515]  ? __do_page_cache_readahead+0x663/0x810
[  388.733623]  ? find_held_lock+0x36/0x1c0
[  388.737688]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  388.743233]  alloc_pages_current+0x173/0x350
[  388.747648]  __page_cache_alloc+0x38c/0x5c0
[  388.751966]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.756895]  ? kasan_check_read+0x11/0x20
[  388.761043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.766322]  ? generic_perform_write+0x6a0/0x6a0
[  388.771096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.776633]  ? check_preemption_disabled+0x48/0x280
[  388.781657]  filemap_fault+0x1595/0x25f0
[  388.785733]  ? __lock_page_or_retry+0xa00/0xa00
[  388.790411]  ? mark_held_locks+0x130/0x130
[  388.794655]  ? filemap_map_pages+0xd6b/0x1a20
[  388.799151]  ? lock_downgrade+0x900/0x900
[  388.803299]  ? check_preemption_disabled+0x48/0x280
[  388.808317]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.813261]  ? kasan_check_read+0x11/0x20
[  388.817410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.822690]  ? rcu_softirq_qs+0x20/0x20
[  388.826679]  ? filemap_map_pages+0xd92/0x1a20
[  388.831184]  ? print_usage_bug+0xc0/0xc0
[  388.835250]  ? find_get_entries_tag+0x1400/0x1400
[  388.840094]  ? __kasan_slab_free+0x102/0x150
[  388.844503]  ? kasan_slab_free+0xe/0x10
[  388.848480]  ? kmem_cache_free+0x83/0x290
[  388.852631]  ? __sigqueue_free.part.29+0x74/0x90
[  388.857412]  ? lock_acquire+0x1ed/0x520
[  388.861402]  ? ext4_filemap_fault+0x7a/0xad
[  388.865730]  ? lock_release+0xa00/0xa00
[  388.869705]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.875160]  ? print_usage_bug+0xc0/0xc0
[  388.879224]  ? print_usage_bug+0xc0/0xc0
[  388.883295]  ? down_read+0x8d/0x120
[  388.886922]  ? ext4_filemap_fault+0x7a/0xad
[  388.891245]  ? __down_interruptible+0x700/0x700
[  388.895922]  ext4_filemap_fault+0x82/0xad
[  388.900073]  __do_fault+0x100/0x6b0
[  388.903705]  ? pmd_devmap_trans_unstable+0x220/0x220
[  388.908813]  ? mark_held_locks+0x130/0x130
[  388.913095]  ? mark_held_locks+0x130/0x130
[  388.917352]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  388.922901]  ? rcu_pm_notify+0xc0/0xc0
[  388.926796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.932352]  __handle_mm_fault+0x3ea0/0x5be0
[  388.936775]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  388.941615]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.946113]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.950696]  ? trace_hardirqs_on+0xbd/0x310
[  388.955020]  ? kasan_check_read+0x11/0x20
[  388.959170]  ? __set_current_blocked+0xdf/0x120
[  388.963842]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.968955]  ? zap_class+0x640/0x640
[  388.972668]  ? zap_class+0x640/0x640
[  388.976393]  ? find_held_lock+0x36/0x1c0
[  388.980463]  ? handle_mm_fault+0x42a/0xc70
[  388.984702]  ? lock_downgrade+0x900/0x900
[  388.988850]  ? check_preemption_disabled+0x48/0x280
[  388.993869]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.998804]  ? kasan_check_read+0x11/0x20
[  389.002949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.008229]  ? rcu_softirq_qs+0x20/0x20
[  389.012203]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.017308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.022862]  ? check_preemption_disabled+0x48/0x280
[  389.027886]  handle_mm_fault+0x54f/0xc70
[  389.031950]  ? __handle_mm_fault+0x5be0/0x5be0
[  389.036536]  ? find_vma+0x34/0x190
[  389.040080]  __do_page_fault+0x5e8/0xe60
[  389.044148]  ? exit_to_usermode_loop+0x1f4/0x380
[  389.048912]  do_page_fault+0xf2/0x7e0
[  389.052713]  ? vmalloc_sync_all+0x30/0x30
[  389.056862]  ? error_entry+0x70/0xd0
[  389.060578]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.065593]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.070522]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.075453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.080298]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.085347]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.090808]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.095834]  ? page_fault+0x8/0x30
[  389.099386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.104230]  ? page_fault+0x8/0x30
[  389.107773]  page_fault+0x1e/0x30
[  389.111225] RIP: 0033:0x45db60
[  389.114429] Code: Bad RIP value.
[  389.117790] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  389.123149] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  389.130416] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  389.137683] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  389.144955] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  389.152226] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  389.159516] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  389.159520] warn_alloc_show_mem: 1 callbacks suppressed
[  389.159526] Mem-Info:
[  389.166802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.172172] active_anon:48041 inactive_anon:196 isolated_anon:0
[  389.172172]  active_file:13 inactive_file:15 isolated_file:0
[  389.172172]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.172172]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  389.172172]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  389.172172]  free:13795 free_pcp:455 free_cma:0
[  389.174544] Call Trace:
[  389.183925] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.216773]  <IRQ>
[  389.219355] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  389.246762]  dump_stack+0x244/0x39d
[  389.248919] lowmem_reserve[]: 0 2818 6321 6321
[  389.275036]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.278640] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  389.283231]  warn_alloc.cold.116+0xb7/0x1bd
[  389.288416] lowmem_reserve[]: 0 0 3503 3503
[  389.316180]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.320477] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  389.324795]  ? lock_downgrade+0x900/0x900
[  389.329614] lowmem_reserve[]: 0 0 0 0
[  389.358624]  ? trace_hardirqs_off+0xb8/0x310
[  389.362748] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  389.366551]  ? trace_hardirqs_off+0xb8/0x310
[  389.370934] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  389.384463]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.388847] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  389.405080]  ? warn_alloc+0x120/0x120
[  389.409890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.425051]  ? print_usage_bug+0xc0/0xc0
[  389.428831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.437656]  ? warn_alloc+0x120/0x120
[  389.441699] 272 total pagecache pages
[  389.450265]  ? warn_alloc+0x120/0x120
[  389.454050] 0 pages in swap cache
[  389.457843]  ? print_usage_bug+0xc0/0xc0
[  389.461620] Swap cache stats: add 0, delete 0, find 0/0
[  389.465065]  ? kvm_clock_read+0x18/0x30
[  389.469102] Free swap  = 0kB
[  389.474466]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.478409] Total swap = 0kB
[  389.478417] 1965979 pages RAM
[  389.481427]  ? print_usage_bug+0xc0/0xc0
[  389.486432] 0 pages HighMem/MovableOnly
[  389.489445]  ? __lock_acquire+0x62f/0x4c20
[  389.492531] 342853 pages reserved
[  389.496589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.500532] 0 pages cma reserved
[  389.500597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.504766]  ? should_fail+0x22d/0xd01
[  389.504779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.504796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.508277] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.513755]  ? __lock_acquire+0x62f/0x4c20
[  389.517097] syz-fuzzer cpuset=/ mems_allowed=0
[  389.523584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.561893]  ? __lock_acquire+0x62f/0x4c20
[  389.566127]  ? should_fail+0x22d/0xd01
[  389.570018]  ? rcu_irq_exit+0x1a2/0x390
[  389.574001]  ? mark_held_locks+0x130/0x130
[  389.578242]  ? mark_held_locks+0x130/0x130
[  389.582481]  ? mark_held_locks+0xc7/0x130
[  389.586629]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  389.591645]  ? zap_class+0x640/0x640
[  389.595361]  ? print_usage_bug+0xc0/0xc0
[  389.599429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.604968]  ? check_preemption_disabled+0x48/0x280
[  389.609998]  ? __lock_is_held+0xb5/0x140
[  389.614067]  __alloc_pages_nodemask+0xa80/0xde0
[  389.618736]  ? zap_class+0x640/0x640
[  389.622454]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.627481]  ? find_held_lock+0x36/0x1c0
[  389.631552]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.636222]  ? lock_downgrade+0x900/0x900
[  389.640379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.645922]  cache_grow_begin+0xa5/0x8c0
[  389.649984]  ? do_raw_spin_unlock+0xa7/0x330
[  389.654398]  fallback_alloc+0x204/0x2e0
[  389.658380]  ____cache_alloc_node+0x1c7/0x1e0
[  389.662880]  kmem_cache_alloc_node+0xe3/0x730
[  389.667378]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.671622]  __alloc_skb+0x119/0x770
[  389.675339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.680620]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.685029]  ? lock_downgrade+0x900/0x900
[  389.689187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.694723]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.700181]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.705637]  ? addrconf_rs_timer+0x690/0x690
[  389.710057]  ndisc_alloc_skb+0x144/0x340
[  389.714123]  ndisc_send_rs+0x331/0x6e0
[  389.718018]  addrconf_rs_timer+0x314/0x690
[  389.722259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.726525]  call_timer_fn+0x272/0x920
[  389.730413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.734651]  ? process_timeout+0x40/0x40
[  389.738719]  ? __run_timers+0x7da/0xc70
[  389.742695]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.747189]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.751687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.755924]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.760511]  ? trace_hardirqs_on+0xbd/0x310
[  389.764836]  ? kasan_check_read+0x11/0x20
[  389.768982]  ? __run_timers+0x7da/0xc70
[  389.772962]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.778068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.782327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.786561]  __run_timers+0x7e5/0xc70
[  389.790378]  ? timer_fixup_init+0x70/0x70
[  389.794529]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.799549]  ? zap_class+0x640/0x640
[  389.803288]  ? enqueue_hrtimer+0x1a5/0x560
[  389.807532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.812734]  ? find_held_lock+0x36/0x1c0
[  389.816809]  ? zap_class+0x640/0x640
[  389.820526]  ? pvclock_read_flags+0x160/0x160
[  389.825022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.830565]  ? check_preemption_disabled+0x48/0x280
[  389.835593]  ? __lock_is_held+0xb5/0x140
[  389.839655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.845196]  ? check_preemption_disabled+0x48/0x280
[  389.850221]  run_timer_softirq+0x52/0xb0
[  389.854294]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.859314]  __do_softirq+0x308/0xb7e
[  389.863122]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.867617]  ? lock_downgrade+0x900/0x900
[  389.871814]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.876931]  ? pvclock_read_flags+0x160/0x160
[  389.881428]  ? lapic_next_event+0x5a/0x90
[  389.885579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.891124]  ? kvm_clock_read+0x18/0x30
[  389.895098]  ? kvm_sched_clock_read+0x9/0x20
[  389.899512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.905052]  ? check_preemption_disabled+0x48/0x280
[  389.910079]  irq_exit+0x17f/0x1c0
[  389.913536]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.918376]  ? smp_reschedule_interrupt+0x109/0x650
[  389.923398]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.929291]  ? interrupt_entry+0xb5/0xc0
[  389.933358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.938378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.943395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.948239]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.953281]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.958312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.963162]  apic_timer_interrupt+0xf/0x20
[  389.967393]  </IRQ>
[  389.969637] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  389.974577] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  389.993475] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.001181] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.008452] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  390.015723] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  390.022995] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  390.030276] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  390.037576]  skb_clone+0x1bb/0x500
[  390.041120]  ? finish_task_switch+0x2f4/0x910
[  390.045620]  ? skb_split+0x11e0/0x11e0
[  390.049514]  ? preempt_notifier_register+0x200/0x200
[  390.054614]  ? __switch_to_asm+0x34/0x70
[  390.058675]  ? __switch_to_asm+0x34/0x70
[  390.062737]  ? __switch_to_asm+0x40/0x70
[  390.066802]  ? __switch_to_asm+0x34/0x70
[  390.070864]  ? __switch_to_asm+0x40/0x70
[  390.074925]  ? __switch_to_asm+0x34/0x70
[  390.078984]  ? __switch_to_asm+0x40/0x70
[  390.083045]  ? __switch_to_asm+0x34/0x70
[  390.087109]  ? __switch_to_asm+0x34/0x70
[  390.091167]  ? __switch_to_asm+0x40/0x70
[  390.095228]  ? __switch_to_asm+0x34/0x70
[  390.099310]  bpf_clone_redirect+0xb9/0x490
[  390.103550]  ? __schedule+0x8d7/0x21d0
[  390.107444]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  390.112463]  ? __sched_text_start+0x8/0x8
[  390.116615]  ? retint_kernel+0x2d/0x2d
[  390.120515]  ? find_held_lock+0x36/0x1c0
[  390.124583]  ? lock_acquire+0x1ed/0x520
[  390.128560]  ? bpf_test_run+0x3cb/0x780
[  390.132542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.138091]  ? check_preemption_disabled+0x48/0x280
[  390.143118]  ? kasan_check_read+0x11/0x20
[  390.147296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.152577]  ? rcu_softirq_qs+0x20/0x20
[  390.156556]  ? preempt_schedule+0x4d/0x60
[  390.160712]  ? ___preempt_schedule+0x16/0x18
[  390.165131]  ? bpf_test_run+0x25d/0x780
[  390.169118]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.173530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.179067]  ? bpf_test_init.isra.10+0x70/0x100
[  390.183743]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  390.188514]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.193360]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.198999]  ? fput+0x130/0x1a0
[  390.202276]  ? __bpf_prog_get+0x9b/0x290
[  390.206344]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.211186]  ? bpf_prog_test_run+0x130/0x1a0
[  390.215598]  ? __x64_sys_bpf+0x3d8/0x520
[  390.219665]  ? bpf_prog_get+0x20/0x20
[  390.223488]  ? do_syscall_64+0x1b9/0x820
[  390.227555]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.232923]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.237859]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.242882]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.247900]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  390.254567]  ? __switch_to_asm+0x40/0x70
[  390.258625]  ? __switch_to_asm+0x34/0x70
[  390.262693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.267545]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.272930] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  390.272991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.279861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.279866] Call Trace:
[  390.279872]  <IRQ>
[  390.279889]  dump_stack+0x244/0x39d
[  390.279910]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.286458] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.295832]  warn_alloc.cold.116+0xb7/0x1bd
[  390.298392] syz-executor4 cpuset=syz4 mems_allowed=0
[  390.300538]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.334055]  ? lock_downgrade+0x900/0x900
[  390.338228]  ? trace_hardirqs_off+0xb8/0x310
[  390.342651]  ? trace_hardirqs_off+0xb8/0x310
[  390.347069]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.351941]  ? warn_alloc+0x120/0x120
[  390.355748]  ? print_usage_bug+0xc0/0xc0
[  390.359811]  ? warn_alloc+0x120/0x120
[  390.363616]  ? warn_alloc+0x120/0x120
[  390.367641]  ? print_usage_bug+0xc0/0xc0
[  390.371708]  ? print_usage_bug+0xc0/0xc0
[  390.375770]  ? __lock_acquire+0x62f/0x4c20
[  390.380011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.385554]  ? should_fail+0x22d/0xd01
[  390.389450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.394559]  ? __lock_acquire+0x62f/0x4c20
[  390.398798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.403901]  ? __lock_acquire+0x62f/0x4c20
[  390.408134]  ? should_fail+0x22d/0xd01
[  390.412021]  ? find_held_lock+0x36/0x1c0
[  390.416090]  ? mark_held_locks+0x130/0x130
[  390.420419]  ? mark_held_locks+0x130/0x130
[  390.424656]  ? zap_class+0x640/0x640
[  390.428372]  ? zap_class+0x640/0x640
[  390.432088]  ? print_usage_bug+0xc0/0xc0
[  390.436149]  ? do_raw_spin_unlock+0xa7/0x330
[  390.440558]  ? zap_class+0x640/0x640
[  390.444276]  ? print_usage_bug+0xc0/0xc0
[  390.448338]  ? wq_watchdog_touch+0x9c/0xfe
[  390.452576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.458115]  ? check_preemption_disabled+0x48/0x280
[  390.463183]  ? __lock_is_held+0xb5/0x140
[  390.467273]  __alloc_pages_nodemask+0xa80/0xde0
[  390.471947]  ? zap_class+0x640/0x640
[  390.475664]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.480703]  ? find_held_lock+0x36/0x1c0
[  390.484777]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.489451]  ? lock_downgrade+0x900/0x900
[  390.493604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.499150]  cache_grow_begin+0xa5/0x8c0
[  390.503224]  ? do_raw_spin_unlock+0xa7/0x330
[  390.507645]  fallback_alloc+0x204/0x2e0
[  390.511629]  ____cache_alloc_node+0x1c7/0x1e0
[  390.516134]  kmem_cache_alloc_node+0xe3/0x730
[  390.520631]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.524875]  __alloc_skb+0x119/0x770
[  390.528586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.533866]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.538278]  ? lock_downgrade+0x900/0x900
[  390.542436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.548150]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.553608]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.559057]  ? addrconf_rs_timer+0x690/0x690
[  390.563482]  ndisc_alloc_skb+0x144/0x340
[  390.567551]  ndisc_send_rs+0x331/0x6e0
[  390.571442]  addrconf_rs_timer+0x314/0x690
[  390.575684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.579934]  call_timer_fn+0x272/0x920
[  390.583820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.588055]  ? process_timeout+0x40/0x40
[  390.592131]  ? mark_held_locks+0xc7/0x130
[  390.596282]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.600776]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.605271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.609506]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.614093]  ? trace_hardirqs_on+0xbd/0x310
[  390.618414]  ? kasan_check_read+0x11/0x20
[  390.622561]  ? __run_timers+0x7da/0xc70
[  390.626537]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.631642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.635883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.640114]  __run_timers+0x7e5/0xc70
[  390.643924]  ? timer_fixup_init+0x70/0x70
[  390.648077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.653093]  ? zap_class+0x640/0x640
[  390.656816]  ? print_usage_bug+0xc0/0xc0
[  390.660883]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.666079]  ? find_held_lock+0x36/0x1c0
[  390.670143]  ? zap_class+0x640/0x640
[  390.673864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.679409]  ? check_preemption_disabled+0x48/0x280
[  390.684433]  ? __lock_is_held+0xb5/0x140
[  390.688537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.694075]  ? check_preemption_disabled+0x48/0x280
[  390.699099]  run_timer_softirq+0x52/0xb0
[  390.703162]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.708212]  __do_softirq+0x308/0xb7e
[  390.712024]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.716523]  ? lock_downgrade+0x900/0x900
[  390.720679]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.725789]  ? pvclock_read_flags+0x160/0x160
[  390.730290]  ? lapic_next_event+0x5a/0x90
[  390.734442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.739984]  ? kvm_clock_read+0x18/0x30
[  390.743962]  ? kvm_sched_clock_read+0x9/0x20
[  390.748374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.753916]  ? check_preemption_disabled+0x48/0x280
[  390.758940]  irq_exit+0x17f/0x1c0
[  390.762399]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.767248]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.773133]  ? interrupt_entry+0xb5/0xc0
[  390.777212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.782240]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.787264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.792108]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.797130]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.802149]  ? task_prio+0x50/0x50
[  390.805707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.811252]  ? check_preemption_disabled+0x48/0x280
[  390.816273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.821127]  apic_timer_interrupt+0xf/0x20
[  390.825358]  </IRQ>
[  390.827597] RIP: 0010:console_unlock+0x102f/0x1190
[  390.832529] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  390.851430] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  390.859137] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  390.866403] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  390.873676] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  390.880948] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  390.888230] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  390.895507]  ? netconsole_netdev_event+0x280/0x280
[  390.900441]  ? console_unlock+0x1026/0x1190
[  390.904782]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  390.909449]  ? vprintk_emit+0x846/0x990
[  390.913427]  ? lock_release+0xa00/0xa00
[  390.917403]  ? trace_hardirqs_on+0x60/0x310
[  390.921724]  ? vprintk_default+0x28/0x30
[  390.925787]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.930893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.936436]  vprintk_emit+0x391/0x990
[  390.940330]  ? wake_up_klogd+0x180/0x180
[  390.944403]  ? find_held_lock+0x1/0x1c0
[  390.948386]  ? mark_held_locks+0xc7/0x130
[  390.952535]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.957028]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.961533]  vprintk_default+0x28/0x30
[  390.965421]  vprintk_func+0x7e/0x181
[  390.969134]  printk+0xa7/0xcf
[  390.972255]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  390.977015]  ? _raw_spin_unlock_irq+0x60/0x80
[  390.981520]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  390.986809]  dump_header+0x7cc/0xf72
[  390.990533]  ? pagefault_out_of_memory+0x197/0x197
[  390.995473]  ? __lock_acquire+0x62f/0x4c20
[  390.999712]  ? percpu_ref_get_many+0x240/0x240
[  391.004299]  ? print_usage_bug+0xc0/0xc0
[  391.008367]  ? zap_class+0x640/0x640
[  391.012089]  ? print_usage_bug+0xc0/0xc0
[  391.016153]  ? zap_class+0x640/0x640
[  391.019883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.025431]  ? find_held_lock+0x36/0x1c0
[  391.029513]  ? mark_held_locks+0xc7/0x130
[  391.033671]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.038774]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.043882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.048466]  ? trace_hardirqs_on+0xbd/0x310
[  391.052794]  ? kasan_check_read+0x11/0x20
[  391.056941]  ? ___ratelimit+0x3b4/0x672
[  391.060918]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.066026]  ? trace_hardirqs_on+0x310/0x310
[  391.070437]  ? lock_downgrade+0x900/0x900
[  391.074594]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.079697]  ? ___ratelimit+0x3b9/0x672
[  391.083672]  ? idr_get_free+0xf70/0xf70
[  391.087646]  ? find_held_lock+0x36/0x1c0
[  391.091719]  oom_kill_process.cold.27+0x10/0x903
[  391.096480]  ? zap_class+0x640/0x640
[  391.100207]  ? check_preemption_disabled+0x48/0x280
[  391.105230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.110176]  ? kasan_check_read+0x11/0x20
[  391.114333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.119626]  ? oom_evaluate_task+0x540/0x540
[  391.124047]  ? find_held_lock+0x36/0x1c0
[  391.128124]  ? out_of_memory+0x974/0x1430
[  391.132288]  ? lock_downgrade+0x900/0x900
[  391.136438]  ? check_preemption_disabled+0x48/0x280
[  391.142502]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.147432]  ? kasan_check_read+0x11/0x20
[  391.151581]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.156855]  ? rcu_softirq_qs+0x20/0x20
[  391.160835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.166371]  ? oom_evaluate_task+0x302/0x540
[  391.170784]  out_of_memory+0xa84/0x1430
[  391.174766]  ? oom_killer_disable+0x3a0/0x3a0
[  391.179266]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  391.184208]  ? __ww_mutex_check_waiters+0x160/0x160
[  391.189240]  __alloc_pages_slowpath+0x2354/0x2e10
[  391.194108]  ? warn_alloc+0x120/0x120
[  391.197910]  ? mark_held_locks+0x130/0x130
[  391.202165]  ? find_get_entry+0xaae/0x1120
[  391.206413]  ? filemap_map_pages+0x1a20/0x1a20
[  391.211002]  ? zap_class+0x640/0x640
[  391.214723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.220265]  ? check_preemption_disabled+0x48/0x280
[  391.225281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.230817]  ? should_fail+0x22d/0xd01
[  391.234707]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.239816]  ? zap_class+0x640/0x640
[  391.243555]  ? __lock_is_held+0xb5/0x140
[  391.247628]  ? mark_held_locks+0x130/0x130
[  391.251864]  ? lock_release+0xa00/0xa00
[  391.255843]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.261295]  ? xa_load+0x2ba/0x460
[  391.264836]  ? lock_downgrade+0x900/0x900
[  391.268993]  ? __might_sleep+0x95/0x190
[  391.272971]  __alloc_pages_nodemask+0xa80/0xde0
[  391.277647]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.282666]  ? __page_cache_alloc+0x191/0x5c0
[  391.287172]  ? xa_load+0x2e1/0x460
[  391.290717]  ? xa_clear_mark+0x40/0x40
[  391.294605]  ? zap_class+0x640/0x640
[  391.298327]  ? zap_class+0x640/0x640
[  391.302042]  ? zap_class+0x640/0x640
[  391.305755]  ? __do_page_cache_readahead+0x663/0x810
[  391.310866]  ? find_held_lock+0x36/0x1c0
[  391.314931]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.320476]  alloc_pages_current+0x173/0x350
[  391.324893]  __page_cache_alloc+0x38c/0x5c0
[  391.329215]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.334159]  ? kasan_check_read+0x11/0x20
[  391.338310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.343590]  ? generic_perform_write+0x6a0/0x6a0
[  391.348347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.353883]  ? check_preemption_disabled+0x48/0x280
[  391.358907]  filemap_fault+0x1595/0x25f0
[  391.362981]  ? __lock_page_or_retry+0xa00/0xa00
[  391.367652]  ? mark_held_locks+0x130/0x130
[  391.371895]  ? filemap_map_pages+0xd6b/0x1a20
[  391.376393]  ? lock_downgrade+0x900/0x900
[  391.380541]  ? check_preemption_disabled+0x48/0x280
[  391.385561]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.390491]  ? kasan_check_read+0x11/0x20
[  391.394640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.399925]  ? rcu_softirq_qs+0x20/0x20
[  391.403911]  ? filemap_map_pages+0xd92/0x1a20
[  391.408411]  ? print_usage_bug+0xc0/0xc0
[  391.412477]  ? find_get_entries_tag+0x1400/0x1400
[  391.417337]  ? __kasan_slab_free+0x102/0x150
[  391.421748]  ? kasan_slab_free+0xe/0x10
[  391.425728]  ? kmem_cache_free+0x83/0x290
[  391.429880]  ? __sigqueue_free.part.29+0x74/0x90
[  391.434650]  ? lock_acquire+0x1ed/0x520
[  391.438628]  ? ext4_filemap_fault+0x7a/0xad
[  391.442955]  ? lock_release+0xa00/0xa00
[  391.446927]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.452378]  ? print_usage_bug+0xc0/0xc0
[  391.456445]  ? print_usage_bug+0xc0/0xc0
[  391.460515]  ? down_read+0x8d/0x120
[  391.464159]  ? ext4_filemap_fault+0x7a/0xad
[  391.468490]  ? __down_interruptible+0x700/0x700
[  391.473179]  ext4_filemap_fault+0x82/0xad
[  391.477332]  __do_fault+0x100/0x6b0
[  391.480968]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.486081]  ? mark_held_locks+0x130/0x130
[  391.490321]  ? mark_held_locks+0x130/0x130
[  391.494562]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  391.500105]  ? rcu_pm_notify+0xc0/0xc0
[  391.504014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.509558]  __handle_mm_fault+0x3ea0/0x5be0
[  391.513980]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.518821]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.523322]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.527905]  ? trace_hardirqs_on+0xbd/0x310
[  391.532227]  ? kasan_check_read+0x11/0x20
[  391.536374]  ? __set_current_blocked+0xdf/0x120
[  391.541043]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.546174]  ? zap_class+0x640/0x640
[  391.549892]  ? zap_class+0x640/0x640
[  391.553609]  ? find_held_lock+0x36/0x1c0
[  391.557683]  ? handle_mm_fault+0x42a/0xc70
[  391.561919]  ? lock_downgrade+0x900/0x900
[  391.566069]  ? check_preemption_disabled+0x48/0x280
[  391.571089]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.576032]  ? kasan_check_read+0x11/0x20
[  391.580186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.585464]  ? rcu_softirq_qs+0x20/0x20
[  391.589442]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.594550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.600098]  ? check_preemption_disabled+0x48/0x280
[  391.605146]  handle_mm_fault+0x54f/0xc70
[  391.609220]  ? __handle_mm_fault+0x5be0/0x5be0
[  391.613807]  ? find_vma+0x34/0x190
[  391.617357]  __do_page_fault+0x5e8/0xe60
[  391.621423]  ? exit_to_usermode_loop+0x1f4/0x380
[  391.626193]  do_page_fault+0xf2/0x7e0
[  391.629998]  ? vmalloc_sync_all+0x30/0x30
[  391.634168]  ? error_entry+0x70/0xd0
[  391.637888]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.642903]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.647833]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.652764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.657615]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.662890]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.668345]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.673364]  ? page_fault+0x8/0x30
[  391.676907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.681751]  ? page_fault+0x8/0x30
[  391.685331]  page_fault+0x1e/0x30
[  391.688783] RIP: 0033:0x45db60
[  391.691992] Code: Bad RIP value.
[  391.695361] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  391.700721] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  391.707989] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  391.715255] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  391.722522] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  391.729789] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  391.737073] warn_alloc_show_mem: 1 callbacks suppressed
[  391.737082] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  391.737084] Mem-Info:
[  391.737128] active_anon:48041 inactive_anon:196 isolated_anon:0
[  391.737128]  active_file:13 inactive_file:15 isolated_file:0
[  391.737128]  unevictable:0 dirty:0 writeback:0 unstable:0
[  391.737128]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  391.737128]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  391.737128]  free:13795 free_pcp:455 free_cma:0
[  391.742468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.749742] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  391.752150] Call Trace:
[  391.785012] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  391.794361]  <IRQ>
[  391.821756] lowmem_reserve[]: 0 2818 6321 6321
[  391.824350]  dump_stack+0x244/0x39d
[  391.850435] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  391.852590]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.857146] lowmem_reserve[]: 0 0 3503 3503
[  391.860779]  warn_alloc.cold.116+0xb7/0x1bd
[  391.888507] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  391.893695]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.897989] lowmem_reserve[]: 0 0 0 0
[  391.902317]  ? lock_downgrade+0x900/0x900
[  391.931268] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  391.936129]  ? trace_hardirqs_off+0xb8/0x310
[  391.939902] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  391.944047]  ? trace_hardirqs_off+0xb8/0x310
[  391.957537] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  391.961954]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.978148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  391.982570]  ? warn_alloc+0x120/0x120
[  391.997707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.002541]  ? print_usage_bug+0xc0/0xc0
[  392.011353] 272 total pagecache pages
[  392.015145]  ? warn_alloc+0x120/0x120
[  392.023705] 0 pages in swap cache
[  392.027756]  ? warn_alloc+0x120/0x120
[  392.031537] Swap cache stats: add 0, delete 0, find 0/0
[  392.035328]  ? print_usage_bug+0xc0/0xc0
[  392.038757] Free swap  = 0kB
[  392.042548]  ? kvm_clock_read+0x18/0x30
[  392.047889] Total swap = 0kB
[  392.051951]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.054947] 1965979 pages RAM
[  392.058913]  ? print_usage_bug+0xc0/0xc0
[  392.061912] 0 pages HighMem/MovableOnly
[  392.066919]  ? __lock_acquire+0x62f/0x4c20
[  392.069997] 342853 pages reserved
[  392.070004] 0 pages cma reserved
[  392.074057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.078065] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.082240]  ? should_fail+0x22d/0xd01
[  392.085748] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.089029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.094544] syz-fuzzer cpuset=/ mems_allowed=0
[  392.101031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.130035]  ? __lock_acquire+0x62f/0x4c20
[  392.134275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.139379]  ? __lock_acquire+0x62f/0x4c20
[  392.143619]  ? should_fail+0x22d/0xd01
[  392.147509]  ? rcu_irq_exit+0x1a2/0x390
[  392.151496]  ? mark_held_locks+0x130/0x130
[  392.155735]  ? mark_held_locks+0x130/0x130
[  392.159975]  ? mark_held_locks+0xc7/0x130
[  392.164125]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  392.169145]  ? zap_class+0x640/0x640
[  392.172859]  ? print_usage_bug+0xc0/0xc0
[  392.176924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.182462]  ? check_preemption_disabled+0x48/0x280
[  392.187490]  ? __lock_is_held+0xb5/0x140
[  392.191556]  __alloc_pages_nodemask+0xa80/0xde0
[  392.196228]  ? zap_class+0x640/0x640
[  392.200262]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.205295]  ? find_held_lock+0x36/0x1c0
[  392.209365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.214037]  ? lock_downgrade+0x900/0x900
[  392.218211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.223752]  cache_grow_begin+0xa5/0x8c0
[  392.227813]  ? do_raw_spin_unlock+0xa7/0x330
[  392.232227]  fallback_alloc+0x204/0x2e0
[  392.236207]  ____cache_alloc_node+0x1c7/0x1e0
[  392.240710]  kmem_cache_alloc_node+0xe3/0x730
[  392.245206]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.250322]  __alloc_skb+0x119/0x770
[  392.254040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.259339]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.263748]  ? lock_downgrade+0x900/0x900
[  392.267904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.273442]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.278897]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.284351]  ? addrconf_rs_timer+0x690/0x690
[  392.288770]  ndisc_alloc_skb+0x144/0x340
[  392.292835]  ndisc_send_rs+0x331/0x6e0
[  392.296731]  addrconf_rs_timer+0x314/0x690
[  392.300972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.305220]  call_timer_fn+0x272/0x920
[  392.309112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.313349]  ? process_timeout+0x40/0x40
[  392.317416]  ? __run_timers+0x7da/0xc70
[  392.321391]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.325888]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.330384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.334627]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.339215]  ? trace_hardirqs_on+0xbd/0x310
[  392.343536]  ? kasan_check_read+0x11/0x20
[  392.347685]  ? __run_timers+0x7da/0xc70
[  392.351662]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.356768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.361009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.365242]  __run_timers+0x7e5/0xc70
[  392.369563]  ? timer_fixup_init+0x70/0x70
[  392.373722]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.378740]  ? zap_class+0x640/0x640
[  392.382459]  ? enqueue_hrtimer+0x1a5/0x560
[  392.386698]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.391898]  ? find_held_lock+0x36/0x1c0
[  392.395962]  ? zap_class+0x640/0x640
[  392.399678]  ? pvclock_read_flags+0x160/0x160
[  392.404179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.409719]  ? check_preemption_disabled+0x48/0x280
[  392.414748]  ? __lock_is_held+0xb5/0x140
[  392.418813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.424351]  ? check_preemption_disabled+0x48/0x280
[  392.429377]  run_timer_softirq+0x52/0xb0
[  392.433437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.438458]  __do_softirq+0x308/0xb7e
[  392.442267]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.446766]  ? lock_downgrade+0x900/0x900
[  392.450916]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.456024]  ? pvclock_read_flags+0x160/0x160
[  392.460537]  ? lapic_next_event+0x5a/0x90
[  392.464686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.470232]  ? kvm_clock_read+0x18/0x30
[  392.474211]  ? kvm_sched_clock_read+0x9/0x20
[  392.478621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.484160]  ? check_preemption_disabled+0x48/0x280
[  392.489189]  irq_exit+0x17f/0x1c0
[  392.492647]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.497492]  ? smp_reschedule_interrupt+0x109/0x650
[  392.502509]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.508397]  ? interrupt_entry+0xb5/0xc0
[  392.512460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.517475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.522490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.527333]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.532347]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.537374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.542227]  apic_timer_interrupt+0xf/0x20
[  392.546459]  </IRQ>
[  392.548697] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.553628] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  392.572528] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.580235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.587507] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  392.594778] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  392.602057] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.609327] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  392.616628]  skb_clone+0x1bb/0x500
[  392.620175]  ? finish_task_switch+0x2f4/0x910
[  392.624675]  ? skb_split+0x11e0/0x11e0
[  392.628568]  ? preempt_notifier_register+0x200/0x200
[  392.633678]  ? __switch_to_asm+0x34/0x70
[  392.637740]  ? __switch_to_asm+0x34/0x70
[  392.641797]  ? __switch_to_asm+0x40/0x70
[  392.645853]  ? __switch_to_asm+0x34/0x70
[  392.649915]  ? __switch_to_asm+0x40/0x70
[  392.653976]  ? __switch_to_asm+0x34/0x70
[  392.658051]  ? __switch_to_asm+0x40/0x70
[  392.662114]  ? __switch_to_asm+0x34/0x70
[  392.666176]  ? __switch_to_asm+0x34/0x70
[  392.670235]  ? __switch_to_asm+0x40/0x70
[  392.674298]  ? __switch_to_asm+0x34/0x70
[  392.678367]  bpf_clone_redirect+0xb9/0x490
[  392.682605]  ? __schedule+0x8d7/0x21d0
[  392.686537]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  392.691560]  ? __sched_text_start+0x8/0x8
[  392.695712]  ? retint_kernel+0x2d/0x2d
[  392.699608]  ? find_held_lock+0x36/0x1c0
[  392.703678]  ? lock_acquire+0x1ed/0x520
[  392.707660]  ? bpf_test_run+0x3cb/0x780
[  392.711635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.717175]  ? check_preemption_disabled+0x48/0x280
[  392.722194]  ? kasan_check_read+0x11/0x20
[  392.726439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.731715]  ? rcu_softirq_qs+0x20/0x20
[  392.735691]  ? preempt_schedule+0x4d/0x60
[  392.739839]  ? ___preempt_schedule+0x16/0x18
[  392.744259]  ? bpf_test_run+0x25d/0x780
[  392.748242]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.752653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.758195]  ? bpf_test_init.isra.10+0x70/0x100
[  392.762873]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  392.767639]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.772486]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  392.778035]  ? fput+0x130/0x1a0
[  392.781319]  ? __bpf_prog_get+0x9b/0x290
[  392.785385]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.790231]  ? bpf_prog_test_run+0x130/0x1a0
[  392.794645]  ? __x64_sys_bpf+0x3d8/0x520
[  392.798705]  ? bpf_prog_get+0x20/0x20
[  392.802523]  ? do_syscall_64+0x1b9/0x820
[  392.806583]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  392.811951]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.816881]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.821899]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  392.826916]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  392.833584]  ? __switch_to_asm+0x40/0x70
[  392.837647]  ? __switch_to_asm+0x34/0x70
[  392.841718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.846570]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  392.851950] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  392.852028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.858879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.858884] Call Trace:
[  392.858889]  <IRQ>
[  392.858905]  dump_stack+0x244/0x39d
[  392.858924]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.865469] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.874758]  warn_alloc.cold.116+0xb7/0x1bd
[  392.877310] syz-executor4 cpuset=syz4 mems_allowed=0
[  392.879455]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.912962]  ? lock_downgrade+0x900/0x900
[  392.917118]  ? trace_hardirqs_off+0xb8/0x310
[  392.921534]  ? trace_hardirqs_off+0xb8/0x310
[  392.925949]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.930819]  ? warn_alloc+0x120/0x120
[  392.934621]  ? print_usage_bug+0xc0/0xc0
[  392.938684]  ? warn_alloc+0x120/0x120
[  392.942488]  ? warn_alloc+0x120/0x120
[  392.946299]  ? print_usage_bug+0xc0/0xc0
[  392.950363]  ? kvm_clock_read+0x18/0x30
[  392.954339]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.959358]  ? print_usage_bug+0xc0/0xc0
[  392.963422]  ? __lock_acquire+0x62f/0x4c20
[  392.967667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.973203]  ? should_fail+0x22d/0xd01
[  392.977095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.982376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.987479]  ? __lock_acquire+0x62f/0x4c20
[  392.991716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.996819]  ? __lock_acquire+0x62f/0x4c20
[  393.001058]  ? should_fail+0x22d/0xd01
[  393.004943]  ? rcu_irq_exit+0x1a2/0x390
[  393.008924]  ? mark_held_locks+0x130/0x130
[  393.013163]  ? mark_held_locks+0x130/0x130
[  393.017408]  ? mark_held_locks+0xc7/0x130
[  393.021558]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.026581]  ? zap_class+0x640/0x640
[  393.030306]  ? print_usage_bug+0xc0/0xc0
[  393.034373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.039915]  ? check_preemption_disabled+0x48/0x280
[  393.044941]  ? __lock_is_held+0xb5/0x140
[  393.049028]  __alloc_pages_nodemask+0xa80/0xde0
[  393.053699]  ? zap_class+0x640/0x640
[  393.057420]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.062450]  ? find_held_lock+0x36/0x1c0
[  393.066523]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.071194]  ? lock_downgrade+0x900/0x900
[  393.075349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.080891]  cache_grow_begin+0xa5/0x8c0
[  393.084951]  ? do_raw_spin_unlock+0xa7/0x330
[  393.089371]  fallback_alloc+0x204/0x2e0
[  393.093354]  ____cache_alloc_node+0x1c7/0x1e0
[  393.097860]  kmem_cache_alloc_node+0xe3/0x730
[  393.102361]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.106605]  __alloc_skb+0x119/0x770
[  393.110320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.115603]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.120023]  ? lock_downgrade+0x900/0x900
[  393.124185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.129724]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.135177]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.140627]  ? addrconf_rs_timer+0x690/0x690
[  393.145069]  ndisc_alloc_skb+0x144/0x340
[  393.149137]  ndisc_send_rs+0x331/0x6e0
[  393.153052]  addrconf_rs_timer+0x314/0x690
[  393.157292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.161535]  call_timer_fn+0x272/0x920
[  393.165422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.169656]  ? process_timeout+0x40/0x40
[  393.173729]  ? mark_held_locks+0xc7/0x130
[  393.177882]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.182375]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.186869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.191103]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.195692]  ? trace_hardirqs_on+0xbd/0x310
[  393.200037]  ? kasan_check_read+0x11/0x20
[  393.204187]  ? __run_timers+0x7da/0xc70
[  393.208169]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.213277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.217514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.221746]  __run_timers+0x7e5/0xc70
[  393.225560]  ? timer_fixup_init+0x70/0x70
[  393.229710]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.234729]  ? zap_class+0x640/0x640
[  393.238447]  ? print_usage_bug+0xc0/0xc0
[  393.242512]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.247712]  ? find_held_lock+0x36/0x1c0
[  393.251784]  ? zap_class+0x640/0x640
[  393.255505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.261047]  ? check_preemption_disabled+0x48/0x280
[  393.266072]  ? __lock_is_held+0xb5/0x140
[  393.270140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.275676]  ? check_preemption_disabled+0x48/0x280
[  393.280698]  run_timer_softirq+0x52/0xb0
[  393.284759]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.289778]  __do_softirq+0x308/0xb7e
[  393.293583]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.298078]  ? lock_downgrade+0x900/0x900
[  393.302235]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.307345]  ? pvclock_read_flags+0x160/0x160
[  393.311842]  ? lapic_next_event+0x5a/0x90
[  393.316006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.321556]  ? kvm_clock_read+0x18/0x30
[  393.325542]  ? kvm_sched_clock_read+0x9/0x20
[  393.329954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.335510]  ? check_preemption_disabled+0x48/0x280
[  393.340534]  irq_exit+0x17f/0x1c0
[  393.344002]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.348849]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.354735]  ? interrupt_entry+0xb5/0xc0
[  393.358797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.363811]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.368829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.373671]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.378685]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.383700]  ? task_prio+0x50/0x50
[  393.387241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.392782]  ? check_preemption_disabled+0x48/0x280
[  393.397806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.402654]  apic_timer_interrupt+0xf/0x20
[  393.406881]  </IRQ>
[  393.409116] RIP: 0010:console_unlock+0x102f/0x1190
[  393.414046] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  393.432946] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  393.440666] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  393.447935] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  393.455221] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  393.462488] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  393.469755] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  393.477040]  ? netconsole_netdev_event+0x280/0x280
[  393.481988]  ? console_unlock+0x1026/0x1190
[  393.486325]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  393.490998]  ? vprintk_emit+0x846/0x990
[  393.494992]  ? lock_release+0xa00/0xa00
[  393.498988]  ? trace_hardirqs_on+0x60/0x310
[  393.503315]  ? vprintk_default+0x28/0x30
[  393.507376]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.512478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.518027]  vprintk_emit+0x391/0x990
[  393.521836]  ? wake_up_klogd+0x180/0x180
[  393.525906]  ? find_held_lock+0x1/0x1c0
[  393.529893]  ? mark_held_locks+0xc7/0x130
[  393.534040]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.538532]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.543038]  vprintk_default+0x28/0x30
[  393.546929]  vprintk_func+0x7e/0x181
[  393.550664]  printk+0xa7/0xcf
[  393.553770]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  393.558525]  ? _raw_spin_unlock_irq+0x60/0x80
[  393.563043]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  393.568326]  dump_header+0x7cc/0xf72
[  393.572051]  ? pagefault_out_of_memory+0x197/0x197
[  393.577001]  ? __lock_acquire+0x62f/0x4c20
[  393.581240]  ? percpu_ref_get_many+0x240/0x240
[  393.585827]  ? print_usage_bug+0xc0/0xc0
[  393.589894]  ? zap_class+0x640/0x640
[  393.593610]  ? print_usage_bug+0xc0/0xc0
[  393.597677]  ? zap_class+0x640/0x640
[  393.601397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.606939]  ? find_held_lock+0x36/0x1c0
[  393.611031]  ? mark_held_locks+0xc7/0x130
[  393.615180]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.620284]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.625393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.629996]  ? trace_hardirqs_on+0xbd/0x310
[  393.634322]  ? kasan_check_read+0x11/0x20
[  393.638468]  ? ___ratelimit+0x3b4/0x672
[  393.642445]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.647557]  ? trace_hardirqs_on+0x310/0x310
[  393.651981]  ? lock_downgrade+0x900/0x900
[  393.656138]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.661242]  ? ___ratelimit+0x3b9/0x672
[  393.665224]  ? idr_get_free+0xf70/0xf70
[  393.669198]  ? find_held_lock+0x36/0x1c0
[  393.673270]  oom_kill_process.cold.27+0x10/0x903
[  393.678027]  ? zap_class+0x640/0x640
[  393.681742]  ? check_preemption_disabled+0x48/0x280
[  393.686759]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.691687]  ? kasan_check_read+0x11/0x20
[  393.695834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.701111]  ? oom_evaluate_task+0x540/0x540
[  393.705526]  ? find_held_lock+0x36/0x1c0
[  393.709596]  ? out_of_memory+0x974/0x1430
[  393.713745]  ? lock_downgrade+0x900/0x900
[  393.717892]  ? check_preemption_disabled+0x48/0x280
[  393.722908]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.727849]  ? kasan_check_read+0x11/0x20
[  393.732006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.737285]  ? rcu_softirq_qs+0x20/0x20
[  393.741263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.746797]  ? oom_evaluate_task+0x302/0x540
[  393.751211]  out_of_memory+0xa84/0x1430
[  393.755194]  ? oom_killer_disable+0x3a0/0x3a0
[  393.759690]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  393.764625]  ? __ww_mutex_check_waiters+0x160/0x160
[  393.769655]  __alloc_pages_slowpath+0x2354/0x2e10
[  393.774524]  ? warn_alloc+0x120/0x120
[  393.778324]  ? mark_held_locks+0x130/0x130
[  393.782563]  ? find_get_entry+0xaae/0x1120
[  393.786807]  ? filemap_map_pages+0x1a20/0x1a20
[  393.791395]  ? zap_class+0x640/0x640
[  393.795118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.800657]  ? check_preemption_disabled+0x48/0x280
[  393.808280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.813819]  ? should_fail+0x22d/0xd01
[  393.817716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.822820]  ? zap_class+0x640/0x640
[  393.826555]  ? __lock_is_held+0xb5/0x140
[  393.830627]  ? mark_held_locks+0x130/0x130
[  393.834868]  ? lock_release+0xa00/0xa00
[  393.838843]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.844297]  ? xa_load+0x2ba/0x460
[  393.847843]  ? lock_downgrade+0x900/0x900
[  393.852001]  ? __might_sleep+0x95/0x190
[  393.855990]  __alloc_pages_nodemask+0xa80/0xde0
[  393.860666]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.865687]  ? __page_cache_alloc+0x191/0x5c0
[  393.870183]  ? xa_load+0x2e1/0x460
[  393.873724]  ? xa_clear_mark+0x40/0x40
[  393.877614]  ? zap_class+0x640/0x640
[  393.881338]  ? zap_class+0x640/0x640
[  393.885053]  ? zap_class+0x640/0x640
[  393.888770]  ? __do_page_cache_readahead+0x663/0x810
[  393.893880]  ? find_held_lock+0x36/0x1c0
[  393.897960]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  393.903512]  alloc_pages_current+0x173/0x350
[  393.907945]  __page_cache_alloc+0x38c/0x5c0
[  393.912270]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.917204]  ? kasan_check_read+0x11/0x20
[  393.921352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.926635]  ? generic_perform_write+0x6a0/0x6a0
[  393.931396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.936951]  ? check_preemption_disabled+0x48/0x280
[  393.941984]  filemap_fault+0x1595/0x25f0
[  393.946055]  ? __lock_page_or_retry+0xa00/0xa00
[  393.950730]  ? mark_held_locks+0x130/0x130
[  393.954993]  ? filemap_map_pages+0xd6b/0x1a20
[  393.959488]  ? lock_downgrade+0x900/0x900
[  393.963639]  ? check_preemption_disabled+0x48/0x280
[  393.968657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.973588]  ? kasan_check_read+0x11/0x20
[  393.977738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.983015]  ? rcu_softirq_qs+0x20/0x20
[  393.987005]  ? filemap_map_pages+0xd92/0x1a20
[  393.991506]  ? print_usage_bug+0xc0/0xc0
[  393.995575]  ? find_get_entries_tag+0x1400/0x1400
[  394.000416]  ? __kasan_slab_free+0x102/0x150
[  394.004825]  ? kasan_slab_free+0xe/0x10
[  394.008807]  ? kmem_cache_free+0x83/0x290
[  394.012971]  ? __sigqueue_free.part.29+0x74/0x90
[  394.017743]  ? lock_acquire+0x1ed/0x520
[  394.021717]  ? ext4_filemap_fault+0x7a/0xad
[  394.026043]  ? lock_release+0xa00/0xa00
[  394.030018]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.035472]  ? print_usage_bug+0xc0/0xc0
[  394.039534]  ? print_usage_bug+0xc0/0xc0
[  394.043605]  ? down_read+0x8d/0x120
[  394.047234]  ? ext4_filemap_fault+0x7a/0xad
[  394.051556]  ? __down_interruptible+0x700/0x700
[  394.056232]  ext4_filemap_fault+0x82/0xad
[  394.060386]  __do_fault+0x100/0x6b0
[  394.064023]  ? pmd_devmap_trans_unstable+0x220/0x220
[  394.069133]  ? mark_held_locks+0x130/0x130
[  394.073374]  ? mark_held_locks+0x130/0x130
[  394.077617]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  394.083159]  ? rcu_pm_notify+0xc0/0xc0
[  394.087069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.092614]  __handle_mm_fault+0x3ea0/0x5be0
[  394.097036]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  394.101876]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.106388]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.110980]  ? trace_hardirqs_on+0xbd/0x310
[  394.115304]  ? kasan_check_read+0x11/0x20
[  394.119451]  ? __set_current_blocked+0xdf/0x120
[  394.124123]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.129237]  ? zap_class+0x640/0x640
[  394.132963]  ? zap_class+0x640/0x640
[  394.136682]  ? find_held_lock+0x36/0x1c0
[  394.140754]  ? handle_mm_fault+0x42a/0xc70
[  394.144992]  ? lock_downgrade+0x900/0x900
[  394.149144]  ? check_preemption_disabled+0x48/0x280
[  394.154163]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.159096]  ? kasan_check_read+0x11/0x20
[  394.163244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.168521]  ? rcu_softirq_qs+0x20/0x20
[  394.172496]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.177602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.183141]  ? check_preemption_disabled+0x48/0x280
[  394.188169]  handle_mm_fault+0x54f/0xc70
[  394.192234]  ? __handle_mm_fault+0x5be0/0x5be0
[  394.196821]  ? find_vma+0x34/0x190
[  394.200838]  __do_page_fault+0x5e8/0xe60
[  394.204925]  ? exit_to_usermode_loop+0x1f4/0x380
[  394.209694]  do_page_fault+0xf2/0x7e0
[  394.213500]  ? vmalloc_sync_all+0x30/0x30
[  394.217650]  ? error_entry+0x70/0xd0
[  394.221366]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.226381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.231309]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.236241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.241083]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.246100]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.251555]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.256574]  ? page_fault+0x8/0x30
[  394.260128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.264976]  ? page_fault+0x8/0x30
[  394.268515]  page_fault+0x1e/0x30
[  394.271968] RIP: 0033:0x45db60
[  394.275177] Code: Bad RIP value.
[  394.278538] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  394.283915] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  394.291187] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  394.298457] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  394.305726] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  394.312997] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  394.320286] warn_alloc_show_mem: 1 callbacks suppressed
[  394.320297] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  394.320298] Mem-Info:
[  394.320327] active_anon:48041 inactive_anon:196 isolated_anon:0
[  394.320327]  active_file:13 inactive_file:15 isolated_file:0
[  394.320327]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.320327]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  394.320327]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  394.320327]  free:13795 free_pcp:455 free_cma:0
[  394.325669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.332960] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  394.335351] Call Trace:
[  394.368505] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  394.377857]  <IRQ>
[  394.405244] lowmem_reserve[]: 0 2818 6321 6321
[  394.407839]  dump_stack+0x244/0x39d
[  394.433930] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  394.436085]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.440640] lowmem_reserve[]: 0 0 3503 3503
[  394.444270]  warn_alloc.cold.116+0xb7/0x1bd
[  394.471997] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  394.477182]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.481480] lowmem_reserve[]: 0 0 0 0
[  394.485802]  ? lock_downgrade+0x900/0x900
[  394.514751] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  394.519596]  ? trace_hardirqs_off+0xb8/0x310
[  394.523371] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  394.527520]  ? trace_hardirqs_off+0xb8/0x310
[  394.541015] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  394.545431]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.561622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.566039]  ? warn_alloc+0x120/0x120
[  394.581168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.581176] 272 total pagecache pages
[  394.586014]  ? print_usage_bug+0xc0/0xc0
[  394.594831] 0 pages in swap cache
[  394.598618]  ? warn_alloc+0x120/0x120
[  394.607175] Swap cache stats: add 0, delete 0, find 0/0
[  394.610969]  ? warn_alloc+0x120/0x120
[  394.615007] Free swap  = 0kB
[  394.618452]  ? print_usage_bug+0xc0/0xc0
[  394.622228] Total swap = 0kB
[  394.627581]  ? kvm_clock_read+0x18/0x30
[  394.631359] 1965979 pages RAM
[  394.634371]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.638411] 0 pages HighMem/MovableOnly
[  394.638421] 342853 pages reserved
[  394.641433]  ? print_usage_bug+0xc0/0xc0
[  394.645383] 0 pages cma reserved
[  394.648481]  ? __lock_acquire+0x62f/0x4c20
[  394.653530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.657449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.661051] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.664951]  ? should_fail+0x22d/0xd01
[  394.668296] syz-fuzzer cpuset=/ mems_allowed=0
[  394.672521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.672538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.713550]  ? __lock_acquire+0x62f/0x4c20
[  394.717794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.722910]  ? __lock_acquire+0x62f/0x4c20
[  394.727148]  ? should_fail+0x22d/0xd01
[  394.731032]  ? rcu_irq_exit+0x1a2/0x390
[  394.735018]  ? mark_held_locks+0x130/0x130
[  394.739258]  ? mark_held_locks+0x130/0x130
[  394.743498]  ? mark_held_locks+0xc7/0x130
[  394.747647]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  394.752664]  ? zap_class+0x640/0x640
[  394.756380]  ? print_usage_bug+0xc0/0xc0
[  394.760449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.766011]  ? check_preemption_disabled+0x48/0x280
[  394.771037]  ? __lock_is_held+0xb5/0x140
[  394.775105]  __alloc_pages_nodemask+0xa80/0xde0
[  394.779776]  ? zap_class+0x640/0x640
[  394.783494]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.788519]  ? find_held_lock+0x36/0x1c0
[  394.792592]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.797265]  ? lock_downgrade+0x900/0x900
[  394.801422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.806963]  cache_grow_begin+0xa5/0x8c0
[  394.811025]  ? do_raw_spin_unlock+0xa7/0x330
[  394.815440]  fallback_alloc+0x204/0x2e0
[  394.819424]  ____cache_alloc_node+0x1c7/0x1e0
[  394.823924]  kmem_cache_alloc_node+0xe3/0x730
[  394.828425]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.832668]  __alloc_skb+0x119/0x770
[  394.836384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.841668]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.846082]  ? lock_downgrade+0x900/0x900
[  394.850237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.855778]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.861237]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.866690]  ? addrconf_rs_timer+0x690/0x690
[  394.871109]  ndisc_alloc_skb+0x144/0x340
[  394.875174]  ndisc_send_rs+0x331/0x6e0
[  394.879065]  addrconf_rs_timer+0x314/0x690
[  394.883302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.887546]  call_timer_fn+0x272/0x920
[  394.891437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.895676]  ? process_timeout+0x40/0x40
[  394.899743]  ? __run_timers+0x7da/0xc70
[  394.903721]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.908214]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.912708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.916943]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.921531]  ? trace_hardirqs_on+0xbd/0x310
[  394.925867]  ? kasan_check_read+0x11/0x20
[  394.930018]  ? __run_timers+0x7da/0xc70
[  394.933994]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.939102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.943344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.947577]  __run_timers+0x7e5/0xc70
[  394.951388]  ? timer_fixup_init+0x70/0x70
[  394.955542]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.960558]  ? zap_class+0x640/0x640
[  394.964275]  ? enqueue_hrtimer+0x1a5/0x560
[  394.968509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.973705]  ? find_held_lock+0x36/0x1c0
[  394.977769]  ? zap_class+0x640/0x640
[  394.981491]  ? pvclock_read_flags+0x160/0x160
[  394.985994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.991534]  ? check_preemption_disabled+0x48/0x280
[  394.996565]  ? __lock_is_held+0xb5/0x140
[  395.000628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.006168]  ? check_preemption_disabled+0x48/0x280
[  395.011193]  run_timer_softirq+0x52/0xb0
[  395.015256]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.020361]  __do_softirq+0x308/0xb7e
[  395.024174]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.028673]  ? lock_downgrade+0x900/0x900
[  395.032829]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.037952]  ? pvclock_read_flags+0x160/0x160
[  395.042448]  ? lapic_next_event+0x5a/0x90
[  395.046602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.052147]  ? kvm_clock_read+0x18/0x30
[  395.056122]  ? kvm_sched_clock_read+0x9/0x20
[  395.060533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.066071]  ? check_preemption_disabled+0x48/0x280
[  395.071097]  irq_exit+0x17f/0x1c0
[  395.074553]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.079398]  ? smp_reschedule_interrupt+0x109/0x650
[  395.084415]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.090298]  ? interrupt_entry+0xb5/0xc0
[  395.094361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.099389]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.104412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.109255]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.114360]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.119395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.124249]  apic_timer_interrupt+0xf/0x20
[  395.128482]  </IRQ>
[  395.130724] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  395.135657] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  395.154557] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.162264] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  395.169536] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  395.176804] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  395.184085] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  395.191355] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  395.198661]  skb_clone+0x1bb/0x500
[  395.202203]  ? finish_task_switch+0x2f4/0x910
[  395.206700]  ? skb_split+0x11e0/0x11e0
[  395.210593]  ? preempt_notifier_register+0x200/0x200
[  395.215695]  ? __switch_to_asm+0x34/0x70
[  395.219753]  ? __switch_to_asm+0x34/0x70
[  395.223829]  ? __switch_to_asm+0x40/0x70
[  395.227893]  ? __switch_to_asm+0x34/0x70
[  395.231953]  ? __switch_to_asm+0x40/0x70
[  395.236016]  ? __switch_to_asm+0x34/0x70
[  395.240076]  ? __switch_to_asm+0x40/0x70
[  395.244135]  ? __switch_to_asm+0x34/0x70
[  395.248195]  ? __switch_to_asm+0x34/0x70
[  395.252253]  ? __switch_to_asm+0x40/0x70
[  395.256316]  ? __switch_to_asm+0x34/0x70
[  395.260383]  bpf_clone_redirect+0xb9/0x490
[  395.264622]  ? __schedule+0x8d7/0x21d0
[  395.268515]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  395.273537]  ? __sched_text_start+0x8/0x8
[  395.277689]  ? retint_kernel+0x2d/0x2d
[  395.281586]  ? find_held_lock+0x36/0x1c0
[  395.285654]  ? lock_acquire+0x1ed/0x520
[  395.289628]  ? bpf_test_run+0x3cb/0x780
[  395.293603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.299145]  ? check_preemption_disabled+0x48/0x280
[  395.304171]  ? kasan_check_read+0x11/0x20
[  395.308667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.313944]  ? rcu_softirq_qs+0x20/0x20
[  395.317922]  ? preempt_schedule+0x4d/0x60
[  395.322072]  ? ___preempt_schedule+0x16/0x18
[  395.326488]  ? bpf_test_run+0x25d/0x780
[  395.330475]  ? netlink_diag_dump+0x2a0/0x2a0
[  395.334887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.340424]  ? bpf_test_init.isra.10+0x70/0x100
[  395.345098]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  395.349872]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.354719]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  395.360257]  ? fput+0x130/0x1a0
[  395.363537]  ? __bpf_prog_get+0x9b/0x290
[  395.367605]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.372445]  ? bpf_prog_test_run+0x130/0x1a0
[  395.376858]  ? __x64_sys_bpf+0x3d8/0x520
[  395.380921]  ? bpf_prog_get+0x20/0x20
[  395.384737]  ? do_syscall_64+0x1b9/0x820
[  395.388815]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  395.394183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.399116]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.404135]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  395.409158]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  395.415841]  ? __switch_to_asm+0x40/0x70
[  395.419904]  ? __switch_to_asm+0x34/0x70
[  395.423971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.428835]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  395.434216] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  395.434277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.441143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.441150] Call Trace:
[  395.447716] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.456978]  <IRQ>
[  395.459549] syz-executor4 cpuset=syz4 mems_allowed=0
[  395.470118]  dump_stack+0x244/0x39d
[  395.480965]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.486171]  warn_alloc.cold.116+0xb7/0x1bd
[  395.490495]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.495343]  ? lock_downgrade+0x900/0x900
[  395.499588]  ? trace_hardirqs_off+0xb8/0x310
[  395.504016]  ? trace_hardirqs_off+0xb8/0x310
[  395.508435]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.513307]  ? warn_alloc+0x120/0x120
[  395.517110]  ? print_usage_bug+0xc0/0xc0
[  395.521176]  ? warn_alloc+0x120/0x120
[  395.524982]  ? warn_alloc+0x120/0x120
[  395.528789]  ? print_usage_bug+0xc0/0xc0
[  395.532878]  ? print_usage_bug+0xc0/0xc0
[  395.537034]  ? __lock_acquire+0x62f/0x4c20
[  395.541275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.546832]  ? should_fail+0x22d/0xd01
[  395.550732]  ? __lock_acquire+0x62f/0x4c20
[  395.554973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.560077]  ? __lock_acquire+0x62f/0x4c20
[  395.564316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.569421]  ? __lock_acquire+0x62f/0x4c20
[  395.573655]  ? should_fail+0x22d/0xd01
[  395.577550]  ? mark_held_locks+0x130/0x130
[  395.581803]  ? mark_held_locks+0x130/0x130
[  395.586041]  ? try_to_wake_up+0x11c/0x1490
[  395.590280]  ? lock_downgrade+0x900/0x900
[  395.594430]  ? zap_class+0x640/0x640
[  395.598142]  ? print_usage_bug+0xc0/0xc0
[  395.602199]  ? trace_hardirqs_off+0xb8/0x310
[  395.606603]  ? kasan_check_read+0x11/0x20
[  395.610753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.616295]  ? check_preemption_disabled+0x48/0x280
[  395.621313]  ? __lock_is_held+0xb5/0x140
[  395.625378]  __alloc_pages_nodemask+0xa80/0xde0
[  395.630040]  ? zap_class+0x640/0x640
[  395.633754]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.638779]  ? find_held_lock+0x36/0x1c0
[  395.642851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.647518]  ? lock_downgrade+0x900/0x900
[  395.651666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.657204]  cache_grow_begin+0xa5/0x8c0
[  395.661259]  ? do_raw_spin_unlock+0xa7/0x330
[  395.665671]  fallback_alloc+0x204/0x2e0
[  395.669643]  ____cache_alloc_node+0x1c7/0x1e0
[  395.674136]  kmem_cache_alloc_node+0xe3/0x730
[  395.678629]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.682872]  __alloc_skb+0x119/0x770
[  395.686581]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.691863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.696351]  ? lock_downgrade+0x900/0x900
[  395.700503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.706037]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.711488]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.716930]  ? addrconf_rs_timer+0x690/0x690
[  395.721345]  ndisc_alloc_skb+0x144/0x340
[  395.725407]  ndisc_send_rs+0x331/0x6e0
[  395.729296]  addrconf_rs_timer+0x314/0x690
[  395.733528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.737764]  call_timer_fn+0x272/0x920
[  395.741651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.745880]  ? process_timeout+0x40/0x40
[  395.749957]  ? mark_held_locks+0xc7/0x130
[  395.754098]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.758596]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.763083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.767314]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.771894]  ? trace_hardirqs_on+0xbd/0x310
[  395.776206]  ? kasan_check_read+0x11/0x20
[  395.780348]  ? __run_timers+0x7da/0xc70
[  395.784320]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.789419]  ? __queue_work+0x1440/0x1440
[  395.793563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.797795]  __run_timers+0x7e5/0xc70
[  395.801599]  ? timer_fixup_init+0x70/0x70
[  395.805741]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.810755]  ? zap_class+0x640/0x640
[  395.814478]  ? print_usage_bug+0xc0/0xc0
[  395.818533]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.823727]  ? find_held_lock+0x36/0x1c0
[  395.827792]  ? zap_class+0x640/0x640
[  395.831510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.837046]  ? check_preemption_disabled+0x48/0x280
[  395.842064]  ? __lock_is_held+0xb5/0x140
[  395.846120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.851654]  ? check_preemption_disabled+0x48/0x280
[  395.856668]  run_timer_softirq+0x52/0xb0
[  395.860721]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.865729]  __do_softirq+0x308/0xb7e
[  395.869526]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.874017]  ? lock_downgrade+0x900/0x900
[  395.878161]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.883262]  ? pvclock_read_flags+0x160/0x160
[  395.887752]  ? lapic_next_event+0x5a/0x90
[  395.891936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.897473]  ? kvm_clock_read+0x18/0x30
[  395.901444]  ? kvm_sched_clock_read+0x9/0x20
[  395.905849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.911378]  ? check_preemption_disabled+0x48/0x280
[  395.916396]  irq_exit+0x17f/0x1c0
[  395.919844]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.924681]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.930561]  ? interrupt_entry+0xb5/0xc0
[  395.934617]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.939628]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.944643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.949478]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.954502]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.959509]  ? task_prio+0x50/0x50
[  395.963045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.968574]  ? check_preemption_disabled+0x48/0x280
[  395.973589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.978430]  apic_timer_interrupt+0xf/0x20
[  395.982654]  </IRQ>
[  395.984883] RIP: 0010:console_unlock+0x102f/0x1190
[  395.989826] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  396.008717] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  396.016420] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  396.023679] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  396.030941] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  396.038288] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  396.045549] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  396.052818]  ? netconsole_netdev_event+0x280/0x280
[  396.057746]  ? console_unlock+0x1026/0x1190
[  396.062084]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  396.066742]  ? vprintk_emit+0x846/0x990
[  396.070720]  ? lock_release+0xa00/0xa00
[  396.074702]  ? trace_hardirqs_on+0x60/0x310
[  396.079014]  ? vprintk_default+0x28/0x30
[  396.083071]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.088171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.093706]  vprintk_emit+0x391/0x990
[  396.097503]  ? wake_up_klogd+0x180/0x180
[  396.101567]  ? find_held_lock+0x1/0x1c0
[  396.105548]  ? mark_held_locks+0xc7/0x130
[  396.109709]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.114195]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.118711]  vprintk_default+0x28/0x30
[  396.122595]  vprintk_func+0x7e/0x181
[  396.126307]  printk+0xa7/0xcf
[  396.129427]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  396.134179]  ? _raw_spin_unlock_irq+0x60/0x80
[  396.138678]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  396.143961]  dump_header+0x7cc/0xf72
[  396.147678]  ? pagefault_out_of_memory+0x197/0x197
[  396.152611]  ? __lock_acquire+0x62f/0x4c20
[  396.156844]  ? percpu_ref_get_many+0x240/0x240
[  396.161423]  ? print_usage_bug+0xc0/0xc0
[  396.165481]  ? zap_class+0x640/0x640
[  396.169193]  ? print_usage_bug+0xc0/0xc0
[  396.173251]  ? zap_class+0x640/0x640
[  396.176960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.182497]  ? find_held_lock+0x36/0x1c0
[  396.186560]  ? mark_held_locks+0xc7/0x130
[  396.190702]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.195799]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.201336]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.205914]  ? trace_hardirqs_on+0xbd/0x310
[  396.210226]  ? kasan_check_read+0x11/0x20
[  396.214371]  ? ___ratelimit+0x3b4/0x672
[  396.218343]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.223444]  ? trace_hardirqs_on+0x310/0x310
[  396.227845]  ? lock_downgrade+0x900/0x900
[  396.231993]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.237097]  ? ___ratelimit+0x3b9/0x672
[  396.241077]  ? idr_get_free+0xf70/0xf70
[  396.245042]  ? find_held_lock+0x36/0x1c0
[  396.249116]  oom_kill_process.cold.27+0x10/0x903
[  396.253866]  ? zap_class+0x640/0x640
[  396.257576]  ? check_preemption_disabled+0x48/0x280
[  396.262593]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.267519]  ? kasan_check_read+0x11/0x20
[  396.271664]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.276939]  ? oom_evaluate_task+0x540/0x540
[  396.281343]  ? find_held_lock+0x36/0x1c0
[  396.285402]  ? out_of_memory+0x974/0x1430
[  396.289544]  ? lock_downgrade+0x900/0x900
[  396.293688]  ? check_preemption_disabled+0x48/0x280
[  396.298704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.303635]  ? kasan_check_read+0x11/0x20
[  396.307782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.313050]  ? rcu_softirq_qs+0x20/0x20
[  396.317033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.322561]  ? oom_evaluate_task+0x302/0x540
[  396.326964]  out_of_memory+0xa84/0x1430
[  396.330943]  ? oom_killer_disable+0x3a0/0x3a0
[  396.335434]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  396.340371]  ? __ww_mutex_check_waiters+0x160/0x160
[  396.345392]  __alloc_pages_slowpath+0x2354/0x2e10
[  396.350260]  ? warn_alloc+0x120/0x120
[  396.354052]  ? mark_held_locks+0x130/0x130
[  396.358287]  ? find_get_entry+0xaae/0x1120
[  396.362524]  ? filemap_map_pages+0x1a20/0x1a20
[  396.368152]  ? zap_class+0x640/0x640
[  396.371866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.377402]  ? check_preemption_disabled+0x48/0x280
[  396.382409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.387940]  ? should_fail+0x22d/0xd01
[  396.391826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.396923]  ? zap_class+0x640/0x640
[  396.400650]  ? __lock_is_held+0xb5/0x140
[  396.404710]  ? mark_held_locks+0x130/0x130
[  396.408953]  ? lock_release+0xa00/0xa00
[  396.412918]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.418361]  ? xa_load+0x2ba/0x460
[  396.421898]  ? lock_downgrade+0x900/0x900
[  396.426045]  ? __might_sleep+0x95/0x190
[  396.430017]  __alloc_pages_nodemask+0xa80/0xde0
[  396.434686]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.439704]  ? __page_cache_alloc+0x191/0x5c0
[  396.444196]  ? xa_load+0x2e1/0x460
[  396.447739]  ? xa_clear_mark+0x40/0x40
[  396.451627]  ? zap_class+0x640/0x640
[  396.455340]  ? zap_class+0x640/0x640
[  396.459047]  ? zap_class+0x640/0x640
[  396.462754]  ? __do_page_cache_readahead+0x663/0x810
[  396.467856]  ? find_held_lock+0x36/0x1c0
[  396.471919]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  396.477458]  alloc_pages_current+0x173/0x350
[  396.481867]  __page_cache_alloc+0x38c/0x5c0
[  396.486179]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.491104]  ? kasan_check_read+0x11/0x20
[  396.495247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.500525]  ? generic_perform_write+0x6a0/0x6a0
[  396.505279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.510812]  ? check_preemption_disabled+0x48/0x280
[  396.515832]  filemap_fault+0x1595/0x25f0
[  396.519905]  ? __lock_page_or_retry+0xa00/0xa00
[  396.524570]  ? mark_held_locks+0x130/0x130
[  396.528808]  ? filemap_map_pages+0xd6b/0x1a20
[  396.533299]  ? lock_downgrade+0x900/0x900
[  396.537444]  ? check_preemption_disabled+0x48/0x280
[  396.542460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.547385]  ? kasan_check_read+0x11/0x20
[  396.551523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.556792]  ? rcu_softirq_qs+0x20/0x20
[  396.560776]  ? filemap_map_pages+0xd92/0x1a20
[  396.565283]  ? print_usage_bug+0xc0/0xc0
[  396.569346]  ? find_get_entries_tag+0x1400/0x1400
[  396.574179]  ? __kasan_slab_free+0x102/0x150
[  396.578583]  ? kasan_slab_free+0xe/0x10
[  396.582552]  ? kmem_cache_free+0x83/0x290
[  396.586695]  ? __sigqueue_free.part.29+0x74/0x90
[  396.591464]  ? lock_acquire+0x1ed/0x520
[  396.595432]  ? ext4_filemap_fault+0x7a/0xad
[  396.599755]  ? lock_release+0xa00/0xa00
[  396.603732]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.609270]  ? print_usage_bug+0xc0/0xc0
[  396.613325]  ? print_usage_bug+0xc0/0xc0
[  396.617404]  ? down_read+0x8d/0x120
[  396.621050]  ? ext4_filemap_fault+0x7a/0xad
[  396.625369]  ? __down_interruptible+0x700/0x700
[  396.630041]  ext4_filemap_fault+0x82/0xad
[  396.634180]  __do_fault+0x100/0x6b0
[  396.637802]  ? pmd_devmap_trans_unstable+0x220/0x220
[  396.642899]  ? mark_held_locks+0x130/0x130
[  396.647128]  ? mark_held_locks+0x130/0x130
[  396.651353]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  396.656881]  ? rcu_pm_notify+0xc0/0xc0
[  396.660773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.666316]  __handle_mm_fault+0x3ea0/0x5be0
[  396.670735]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  396.675585]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.680072]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.684646]  ? trace_hardirqs_on+0xbd/0x310
[  396.688962]  ? kasan_check_read+0x11/0x20
[  396.693103]  ? __set_current_blocked+0xdf/0x120
[  396.697767]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.702876]  ? zap_class+0x640/0x640
[  396.706583]  ? zap_class+0x640/0x640
[  396.710295]  ? find_held_lock+0x36/0x1c0
[  396.714354]  ? handle_mm_fault+0x42a/0xc70
[  396.718580]  ? lock_downgrade+0x900/0x900
[  396.722727]  ? check_preemption_disabled+0x48/0x280
[  396.727745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.732668]  ? kasan_check_read+0x11/0x20
[  396.736816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.742085]  ? rcu_softirq_qs+0x20/0x20
[  396.746054]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.751157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.756687]  ? check_preemption_disabled+0x48/0x280
[  396.761716]  handle_mm_fault+0x54f/0xc70
[  396.765774]  ? __handle_mm_fault+0x5be0/0x5be0
[  396.770366]  ? find_vma+0x34/0x190
[  396.773904]  __do_page_fault+0x5e8/0xe60
[  396.777957]  ? exit_to_usermode_loop+0x1f4/0x380
[  396.782719]  do_page_fault+0xf2/0x7e0
[  396.786519]  ? vmalloc_sync_all+0x30/0x30
[  396.790666]  ? error_entry+0x70/0xd0
[  396.794381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.799386]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.804308]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.809231]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.814069]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.819079]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.824526]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.829534]  ? page_fault+0x8/0x30
[  396.833070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.837909]  ? page_fault+0x8/0x30
[  396.841442]  page_fault+0x1e/0x30
[  396.844886] RIP: 0033:0x45db60
[  396.848084] Code: Bad RIP value.
[  396.851467] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  396.856824] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  396.864085] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  396.871345] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  396.878605] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  396.885865] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  396.893141] warn_alloc_show_mem: 1 callbacks suppressed
[  396.893150] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  396.893152] Mem-Info:
[  396.893180] active_anon:48041 inactive_anon:196 isolated_anon:0
[  396.893180]  active_file:13 inactive_file:15 isolated_file:0
[  396.893180]  unevictable:0 dirty:0 writeback:0 unstable:0
[  396.893180]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  396.893180]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  396.893180]  free:13795 free_pcp:455 free_cma:0
[  396.898509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.898516] Call Trace:
[  396.905786] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  396.908169]  <IRQ>
[  396.941022] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  396.950371]  dump_stack+0x244/0x39d
[  396.952920] lowmem_reserve[]: 0 2818 6321 6321
[  396.980335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.982453] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  397.008555]  warn_alloc.cold.116+0xb7/0x1bd
[  397.012140] lowmem_reserve[]: 0 0 3503 3503
[  397.016713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.021876] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  397.049624]  ? lock_downgrade+0x900/0x900
[  397.053916] lowmem_reserve[]: 0 0 0 0
[  397.058235]  ? trace_hardirqs_off+0xb8/0x310
[  397.063044] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  397.092008]  ? trace_hardirqs_off+0xb8/0x310
[  397.096129] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  397.099922]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.104297] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  397.117832]  ? warn_alloc+0x120/0x120
[  397.122194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.138390]  ? print_usage_bug+0xc0/0xc0
[  397.143208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.158360]  ? warn_alloc+0x120/0x120
[  397.162133] 272 total pagecache pages
[  397.170951]  ? warn_alloc+0x120/0x120
[  397.174991] 0 pages in swap cache
[  397.183545]  ? print_usage_bug+0xc0/0xc0
[  397.187316] Swap cache stats: add 0, delete 0, find 0/0
[  397.187324] Free swap  = 0kB
[  397.191107]  ? kvm_clock_read+0x18/0x30
[  397.194983] Total swap = 0kB
[  397.194991] 1965979 pages RAM
[  397.198422]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.198432]  ? print_usage_bug+0xc0/0xc0
[  397.198440]  ? __lock_acquire+0x62f/0x4c20
[  397.198452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.198462]  ? should_fail+0x22d/0xd01
[  397.198469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.198479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.198488]  ? __lock_acquire+0x62f/0x4c20
[  397.198498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.198506]  ? __lock_acquire+0x62f/0x4c20
[  397.198513]  ? should_fail+0x22d/0xd01
[  397.198519]  ? rcu_irq_exit+0x1a2/0x390
[  397.198532]  ? mark_held_locks+0x130/0x130
[  397.198543]  ? mark_held_locks+0x130/0x130
[  397.198554]  ? mark_held_locks+0xc7/0x130
[  397.198563]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.198571]  ? zap_class+0x640/0x640
[  397.198579]  ? print_usage_bug+0xc0/0xc0
[  397.198589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.198598]  ? check_preemption_disabled+0x48/0x280
[  397.198611]  ? __lock_is_held+0xb5/0x140
[  397.198622]  __alloc_pages_nodemask+0xa80/0xde0
[  397.198630]  ? zap_class+0x640/0x640
[  397.198641]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.198664]  ? find_held_lock+0x36/0x1c0
[  397.198687]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.202717] 0 pages HighMem/MovableOnly
[  397.202725] 342853 pages reserved
[  397.208072]  ? lock_downgrade+0x900/0x900
[  397.211060] 0 pages cma reserved
[  397.215025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.218068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.221107]  cache_grow_begin+0xa5/0x8c0
[  397.226169] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.230144]  ? do_raw_spin_unlock+0xa7/0x330
[  397.234349] syz-fuzzer cpuset=/ mems_allowed=0
[  397.239877]  fallback_alloc+0x204/0x2e0
[  397.391331]  ____cache_alloc_node+0x1c7/0x1e0
[  397.395823]  kmem_cache_alloc_node+0xe3/0x730
[  397.400314]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.404552]  __alloc_skb+0x119/0x770
[  397.408257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.413529]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.417947]  ? lock_downgrade+0x900/0x900
[  397.422093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.427621]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.433074]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.438514]  ? addrconf_rs_timer+0x690/0x690
[  397.442926]  ndisc_alloc_skb+0x144/0x340
[  397.446983]  ndisc_send_rs+0x331/0x6e0
[  397.450889]  addrconf_rs_timer+0x314/0x690
[  397.455186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.459425]  call_timer_fn+0x272/0x920
[  397.463303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.467531]  ? process_timeout+0x40/0x40
[  397.471591]  ? __run_timers+0x7da/0xc70
[  397.475559]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.480050]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.484535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.488766]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.493343]  ? trace_hardirqs_on+0xbd/0x310
[  397.497663]  ? kasan_check_read+0x11/0x20
[  397.501804]  ? __run_timers+0x7da/0xc70
[  397.505774]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.510873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.515104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.519329]  __run_timers+0x7e5/0xc70
[  397.523131]  ? timer_fixup_init+0x70/0x70
[  397.527272]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.532279]  ? zap_class+0x640/0x640
[  397.535989]  ? enqueue_hrtimer+0x1a5/0x560
[  397.540216]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.545407]  ? find_held_lock+0x36/0x1c0
[  397.549462]  ? zap_class+0x640/0x640
[  397.553177]  ? pvclock_read_flags+0x160/0x160
[  397.557668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.563203]  ? check_preemption_disabled+0x48/0x280
[  397.568219]  ? __lock_is_held+0xb5/0x140
[  397.572274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.577802]  ? check_preemption_disabled+0x48/0x280
[  397.582830]  run_timer_softirq+0x52/0xb0
[  397.586882]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.591890]  __do_softirq+0x308/0xb7e
[  397.595684]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.600179]  ? lock_downgrade+0x900/0x900
[  397.604321]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.609424]  ? pvclock_read_flags+0x160/0x160
[  397.613920]  ? lapic_next_event+0x5a/0x90
[  397.618064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.623625]  ? kvm_clock_read+0x18/0x30
[  397.627599]  ? kvm_sched_clock_read+0x9/0x20
[  397.632008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.637538]  ? check_preemption_disabled+0x48/0x280
[  397.642550]  irq_exit+0x17f/0x1c0
[  397.645997]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.650831]  ? smp_reschedule_interrupt+0x109/0x650
[  397.655842]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.661721]  ? interrupt_entry+0xb5/0xc0
[  397.665776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.670781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.675789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.680635]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.685649]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.690670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.695514]  apic_timer_interrupt+0xf/0x20
[  397.699732]  </IRQ>
[  397.701962] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  397.706886] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  397.725776] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.733477] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  397.740758] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  397.748026] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  397.755287] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  397.762548] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  397.769844]  skb_clone+0x1bb/0x500
[  397.773382]  ? finish_task_switch+0x2f4/0x910
[  397.777868]  ? skb_split+0x11e0/0x11e0
[  397.781749]  ? preempt_notifier_register+0x200/0x200
[  397.786843]  ? __switch_to_asm+0x34/0x70
[  397.790894]  ? __switch_to_asm+0x34/0x70
[  397.794949]  ? __switch_to_asm+0x40/0x70
[  397.799002]  ? __switch_to_asm+0x34/0x70
[  397.803052]  ? __switch_to_asm+0x40/0x70
[  397.807115]  ? __switch_to_asm+0x34/0x70
[  397.811171]  ? __switch_to_asm+0x40/0x70
[  397.815227]  ? __switch_to_asm+0x34/0x70
[  397.819280]  ? __switch_to_asm+0x34/0x70
[  397.823329]  ? __switch_to_asm+0x40/0x70
[  397.827381]  ? __switch_to_asm+0x34/0x70
[  397.831437]  bpf_clone_redirect+0xb9/0x490
[  397.835670]  ? __schedule+0x8d7/0x21d0
[  397.839554]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  397.844569]  ? __sched_text_start+0x8/0x8
[  397.848713]  ? retint_kernel+0x2d/0x2d
[  397.852599]  ? find_held_lock+0x36/0x1c0
[  397.856667]  ? lock_acquire+0x1ed/0x520
[  397.860637]  ? bpf_test_run+0x3cb/0x780
[  397.864606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.870140]  ? check_preemption_disabled+0x48/0x280
[  397.875158]  ? kasan_check_read+0x11/0x20
[  397.879296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.884559]  ? rcu_softirq_qs+0x20/0x20
[  397.888525]  ? preempt_schedule+0x4d/0x60
[  397.892664]  ? ___preempt_schedule+0x16/0x18
[  397.897069]  ? bpf_test_run+0x25d/0x780
[  397.901041]  ? netlink_diag_dump+0x2a0/0x2a0
[  397.905442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.910970]  ? bpf_test_init.isra.10+0x70/0x100
[  397.915636]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  397.920395]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.925223]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  397.930749]  ? fput+0x130/0x1a0
[  397.934024]  ? __bpf_prog_get+0x9b/0x290
[  397.938078]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.942912]  ? bpf_prog_test_run+0x130/0x1a0
[  397.947319]  ? __x64_sys_bpf+0x3d8/0x520
[  397.951381]  ? bpf_prog_get+0x20/0x20
[  397.955187]  ? do_syscall_64+0x1b9/0x820
[  397.959241]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  397.964605]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.969529]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.974541]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  397.979553]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  397.986207]  ? __switch_to_asm+0x40/0x70
[  397.990259]  ? __switch_to_asm+0x34/0x70
[  397.994321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.999167]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.004543] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  398.004617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.011454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.011462] Call Trace:
[  398.018007] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.027272]  <IRQ>
[  398.029833] syz-executor4 cpuset=syz4 mems_allowed=0
[  398.040303]  dump_stack+0x244/0x39d
[  398.051121]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.056318]  warn_alloc.cold.116+0xb7/0x1bd
[  398.060650]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.065486]  ? lock_downgrade+0x900/0x900
[  398.069641]  ? trace_hardirqs_off+0xb8/0x310
[  398.074048]  ? trace_hardirqs_off+0xb8/0x310
[  398.078453]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.083314]  ? warn_alloc+0x120/0x120
[  398.087110]  ? print_usage_bug+0xc0/0xc0
[  398.091165]  ? warn_alloc+0x120/0x120
[  398.094961]  ? warn_alloc+0x120/0x120
[  398.098759]  ? print_usage_bug+0xc0/0xc0
[  398.102815]  ? kvm_clock_read+0x18/0x30
[  398.106785]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.111794]  ? print_usage_bug+0xc0/0xc0
[  398.115849]  ? __lock_acquire+0x62f/0x4c20
[  398.120079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.125645]  ? should_fail+0x22d/0xd01
[  398.129526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.134797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.139893]  ? __lock_acquire+0x62f/0x4c20
[  398.144124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.149217]  ? __lock_acquire+0x62f/0x4c20
[  398.153451]  ? should_fail+0x22d/0xd01
[  398.157332]  ? rcu_irq_exit+0x1a2/0x390
[  398.161306]  ? mark_held_locks+0x130/0x130
[  398.165552]  ? mark_held_locks+0x130/0x130
[  398.169794]  ? mark_held_locks+0xc7/0x130
[  398.173938]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  398.178949]  ? zap_class+0x640/0x640
[  398.182654]  ? print_usage_bug+0xc0/0xc0
[  398.186710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.192251]  ? check_preemption_disabled+0x48/0x280
[  398.197271]  ? __lock_is_held+0xb5/0x140
[  398.201766]  __alloc_pages_nodemask+0xa80/0xde0
[  398.206430]  ? zap_class+0x640/0x640
[  398.210143]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.215162]  ? find_held_lock+0x36/0x1c0
[  398.219222]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.223886]  ? lock_downgrade+0x900/0x900
[  398.228039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.233580]  cache_grow_begin+0xa5/0x8c0
[  398.237641]  ? do_raw_spin_unlock+0xa7/0x330
[  398.242048]  fallback_alloc+0x204/0x2e0
[  398.246022]  ____cache_alloc_node+0x1c7/0x1e0
[  398.250513]  kmem_cache_alloc_node+0xe3/0x730
[  398.255006]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.259241]  __alloc_skb+0x119/0x770
[  398.262946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.268218]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.272621]  ? lock_downgrade+0x900/0x900
[  398.276769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.282300]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.287744]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.293187]  ? addrconf_rs_timer+0x690/0x690
[  398.297604]  ndisc_alloc_skb+0x144/0x340
[  398.301685]  ndisc_send_rs+0x331/0x6e0
[  398.305578]  addrconf_rs_timer+0x314/0x690
[  398.309812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.314047]  call_timer_fn+0x272/0x920
[  398.317926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.322151]  ? process_timeout+0x40/0x40
[  398.326212]  ? mark_held_locks+0xc7/0x130
[  398.330353]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.334842]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.339333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.343558]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.348145]  ? trace_hardirqs_on+0xbd/0x310
[  398.352461]  ? kasan_check_read+0x11/0x20
[  398.356597]  ? __run_timers+0x7da/0xc70
[  398.360577]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.365786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.370014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.374241]  __run_timers+0x7e5/0xc70
[  398.378040]  ? timer_fixup_init+0x70/0x70
[  398.382182]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.387192]  ? zap_class+0x640/0x640
[  398.390904]  ? print_usage_bug+0xc0/0xc0
[  398.394960]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.400151]  ? find_held_lock+0x36/0x1c0
[  398.404211]  ? zap_class+0x640/0x640
[  398.407921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.413452]  ? check_preemption_disabled+0x48/0x280
[  398.418480]  ? __lock_is_held+0xb5/0x140
[  398.422538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.428080]  ? check_preemption_disabled+0x48/0x280
[  398.433107]  run_timer_softirq+0x52/0xb0
[  398.437164]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.442172]  __do_softirq+0x308/0xb7e
[  398.445966]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.450453]  ? lock_downgrade+0x900/0x900
[  398.454603]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.459710]  ? pvclock_read_flags+0x160/0x160
[  398.464199]  ? lapic_next_event+0x5a/0x90
[  398.468343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.473878]  ? kvm_clock_read+0x18/0x30
[  398.477848]  ? kvm_sched_clock_read+0x9/0x20
[  398.482251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.487786]  ? check_preemption_disabled+0x48/0x280
[  398.492803]  irq_exit+0x17f/0x1c0
[  398.496254]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.501095]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.506988]  ? interrupt_entry+0xb5/0xc0
[  398.511044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.516069]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.521082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.525918]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.530929]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.535940]  ? task_prio+0x50/0x50
[  398.539488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.545017]  ? check_preemption_disabled+0x48/0x280
[  398.550034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.554876]  apic_timer_interrupt+0xf/0x20
[  398.559095]  </IRQ>
[  398.561329] RIP: 0010:console_unlock+0x102f/0x1190
[  398.566253] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  398.585141] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  398.592844] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  398.600106] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  398.607369] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  398.616020] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  398.623281] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  398.630553]  ? netconsole_netdev_event+0x280/0x280
[  398.635480]  ? console_unlock+0x1026/0x1190
[  398.639807]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  398.644465]  ? vprintk_emit+0x846/0x990
[  398.648434]  ? lock_release+0xa00/0xa00
[  398.652400]  ? trace_hardirqs_on+0x60/0x310
[  398.656733]  ? vprintk_default+0x28/0x30
[  398.660787]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.665883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.671421]  vprintk_emit+0x391/0x990
[  398.675220]  ? wake_up_klogd+0x180/0x180
[  398.679283]  ? find_held_lock+0x1/0x1c0
[  398.683259]  ? mark_held_locks+0xc7/0x130
[  398.687401]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.691891]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.696388]  vprintk_default+0x28/0x30
[  398.700272]  vprintk_func+0x7e/0x181
[  398.703981]  printk+0xa7/0xcf
[  398.707080]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  398.711828]  ? _raw_spin_unlock_irq+0x60/0x80
[  398.716326]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  398.721634]  dump_header+0x7cc/0xf72
[  398.725353]  ? pagefault_out_of_memory+0x197/0x197
[  398.730283]  ? __lock_acquire+0x62f/0x4c20
[  398.734514]  ? percpu_ref_get_many+0x240/0x240
[  398.739098]  ? print_usage_bug+0xc0/0xc0
[  398.743160]  ? zap_class+0x640/0x640
[  398.746873]  ? print_usage_bug+0xc0/0xc0
[  398.750948]  ? zap_class+0x640/0x640
[  398.754658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.760195]  ? find_held_lock+0x36/0x1c0
[  398.764262]  ? mark_held_locks+0xc7/0x130
[  398.768404]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.773496]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.778600]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.783245]  ? trace_hardirqs_on+0xbd/0x310
[  398.787587]  ? kasan_check_read+0x11/0x20
[  398.791729]  ? ___ratelimit+0x3b4/0x672
[  398.795702]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.800801]  ? trace_hardirqs_on+0x310/0x310
[  398.805204]  ? lock_downgrade+0x900/0x900
[  398.809349]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.814444]  ? ___ratelimit+0x3b9/0x672
[  398.818415]  ? idr_get_free+0xf70/0xf70
[  398.822385]  ? find_held_lock+0x36/0x1c0
[  398.826448]  oom_kill_process.cold.27+0x10/0x903
[  398.831200]  ? zap_class+0x640/0x640
[  398.834911]  ? check_preemption_disabled+0x48/0x280
[  398.839920]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.844859]  ? kasan_check_read+0x11/0x20
[  398.848998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.854269]  ? oom_evaluate_task+0x540/0x540
[  398.858676]  ? find_held_lock+0x36/0x1c0
[  398.862734]  ? out_of_memory+0x974/0x1430
[  398.866874]  ? lock_downgrade+0x900/0x900
[  398.871018]  ? check_preemption_disabled+0x48/0x280
[  398.876030]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.880954]  ? kasan_check_read+0x11/0x20
[  398.885092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.890362]  ? rcu_softirq_qs+0x20/0x20
[  398.894331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.899860]  ? oom_evaluate_task+0x302/0x540
[  398.904267]  out_of_memory+0xa84/0x1430
[  398.908240]  ? oom_killer_disable+0x3a0/0x3a0
[  398.912727]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  398.917649]  ? __ww_mutex_check_waiters+0x160/0x160
[  398.922670]  __alloc_pages_slowpath+0x2354/0x2e10
[  398.927535]  ? warn_alloc+0x120/0x120
[  398.931331]  ? mark_held_locks+0x130/0x130
[  398.935572]  ? find_get_entry+0xaae/0x1120
[  398.939808]  ? filemap_map_pages+0x1a20/0x1a20
[  398.944386]  ? zap_class+0x640/0x640
[  398.948098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.953630]  ? check_preemption_disabled+0x48/0x280
[  398.958639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.964174]  ? should_fail+0x22d/0xd01
[  398.968056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.973153]  ? zap_class+0x640/0x640
[  398.976880]  ? __lock_is_held+0xb5/0x140
[  398.980945]  ? mark_held_locks+0x130/0x130
[  398.985177]  ? lock_release+0xa00/0xa00
[  398.989144]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.994594]  ? xa_load+0x2ba/0x460
[  398.998130]  ? lock_downgrade+0x900/0x900
[  399.002293]  ? __might_sleep+0x95/0x190
[  399.006264]  __alloc_pages_nodemask+0xa80/0xde0
[  399.010932]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.015941]  ? __page_cache_alloc+0x191/0x5c0
[  399.020430]  ? xa_load+0x2e1/0x460
[  399.023964]  ? xa_clear_mark+0x40/0x40
[  399.027864]  ? zap_class+0x640/0x640
[  399.031579]  ? zap_class+0x640/0x640
[  399.035285]  ? zap_class+0x640/0x640
[  399.038993]  ? __do_page_cache_readahead+0x663/0x810
[  399.044093]  ? find_held_lock+0x36/0x1c0
[  399.048152]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  399.053690]  alloc_pages_current+0x173/0x350
[  399.058098]  __page_cache_alloc+0x38c/0x5c0
[  399.062409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.067338]  ? kasan_check_read+0x11/0x20
[  399.071480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.076754]  ? generic_perform_write+0x6a0/0x6a0
[  399.081512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.087045]  ? check_preemption_disabled+0x48/0x280
[  399.092061]  filemap_fault+0x1595/0x25f0
[  399.096126]  ? __lock_page_or_retry+0xa00/0xa00
[  399.100791]  ? mark_held_locks+0x130/0x130
[  399.105036]  ? filemap_map_pages+0xd6b/0x1a20
[  399.109537]  ? lock_downgrade+0x900/0x900
[  399.113690]  ? check_preemption_disabled+0x48/0x280
[  399.118700]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.123624]  ? kasan_check_read+0x11/0x20
[  399.127763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.133034]  ? rcu_softirq_qs+0x20/0x20
[  399.137009]  ? filemap_map_pages+0xd92/0x1a20
[  399.141508]  ? print_usage_bug+0xc0/0xc0
[  399.145569]  ? find_get_entries_tag+0x1400/0x1400
[  399.150401]  ? __kasan_slab_free+0x102/0x150
[  399.154801]  ? kasan_slab_free+0xe/0x10
[  399.158769]  ? kmem_cache_free+0x83/0x290
[  399.162910]  ? __sigqueue_free.part.29+0x74/0x90
[  399.167668]  ? lock_acquire+0x1ed/0x520
[  399.171633]  ? ext4_filemap_fault+0x7a/0xad
[  399.175954]  ? lock_release+0xa00/0xa00
[  399.179922]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.185370]  ? print_usage_bug+0xc0/0xc0
[  399.189430]  ? print_usage_bug+0xc0/0xc0
[  399.193500]  ? down_read+0x8d/0x120
[  399.197117]  ? ext4_filemap_fault+0x7a/0xad
[  399.201433]  ? __down_interruptible+0x700/0x700
[  399.206103]  ext4_filemap_fault+0x82/0xad
[  399.210242]  __do_fault+0x100/0x6b0
[  399.213865]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.218961]  ? mark_held_locks+0x130/0x130
[  399.223202]  ? mark_held_locks+0x130/0x130
[  399.227430]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  399.232963]  ? rcu_pm_notify+0xc0/0xc0
[  399.236850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.242400]  __handle_mm_fault+0x3ea0/0x5be0
[  399.246805]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.251670]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.256163]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.260744]  ? trace_hardirqs_on+0xbd/0x310
[  399.265058]  ? kasan_check_read+0x11/0x20
[  399.269198]  ? __set_current_blocked+0xdf/0x120
[  399.273860]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.278985]  ? zap_class+0x640/0x640
[  399.282696]  ? zap_class+0x640/0x640
[  399.286408]  ? find_held_lock+0x36/0x1c0
[  399.290481]  ? handle_mm_fault+0x42a/0xc70
[  399.294750]  ? lock_downgrade+0x900/0x900
[  399.298907]  ? check_preemption_disabled+0x48/0x280
[  399.303916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.308833]  ? kasan_check_read+0x11/0x20
[  399.312969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.318239]  ? rcu_softirq_qs+0x20/0x20
[  399.322209]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.327308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.332838]  ? check_preemption_disabled+0x48/0x280
[  399.337861]  handle_mm_fault+0x54f/0xc70
[  399.341916]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.346504]  ? find_vma+0x34/0x190
[  399.350044]  __do_page_fault+0x5e8/0xe60
[  399.354101]  ? exit_to_usermode_loop+0x1f4/0x380
[  399.358854]  do_page_fault+0xf2/0x7e0
[  399.362645]  ? vmalloc_sync_all+0x30/0x30
[  399.366799]  ? error_entry+0x70/0xd0
[  399.370532]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.375545]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.380466]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.385394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.390228]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.395237]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.400687]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.405693]  ? page_fault+0x8/0x30
[  399.409247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.414083]  ? page_fault+0x8/0x30
[  399.417627]  page_fault+0x1e/0x30
[  399.421073] RIP: 0033:0x45db60
[  399.424267] Code: Bad RIP value.
[  399.427622] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  399.432989] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  399.440253] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  399.447514] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  399.454782] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  399.462044] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  399.469326] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  399.469330] warn_alloc_show_mem: 1 callbacks suppressed
[  399.469336] Mem-Info:
[  399.476603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.481965] active_anon:48041 inactive_anon:196 isolated_anon:0
[  399.481965]  active_file:13 inactive_file:15 isolated_file:0
[  399.481965]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.481965]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  399.481965]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  399.481965]  free:13795 free_pcp:455 free_cma:0
[  399.484334] Call Trace:
[  399.493703] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.526538]  <IRQ>
[  399.529102] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  399.556498]  dump_stack+0x244/0x39d
[  399.558618] lowmem_reserve[]: 0 2818 6321 6321
[  399.584717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.588314] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  399.592902]  warn_alloc.cold.116+0xb7/0x1bd
[  399.598052] lowmem_reserve[]: 0 0 3503 3503
[  399.625792]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.630090] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  399.634396]  ? lock_downgrade+0x900/0x900
[  399.639201] lowmem_reserve[]: 0 0 0 0
[  399.668170]  ? trace_hardirqs_off+0xb8/0x310
[  399.672286] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  399.676075]  ? trace_hardirqs_off+0xb8/0x310
[  399.680445] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  399.693972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.698343] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  399.714580]  ? warn_alloc+0x120/0x120
[  399.719392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.734540]  ? print_usage_bug+0xc0/0xc0
[  399.738313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.747125]  ? warn_alloc+0x120/0x120
[  399.751157] 272 total pagecache pages
[  399.759714]  ? warn_alloc+0x120/0x120
[  399.763496] 0 pages in swap cache
[  399.767271]  ? print_usage_bug+0xc0/0xc0
[  399.771043] Swap cache stats: add 0, delete 0, find 0/0
[  399.774479]  ? kvm_clock_read+0x18/0x30
[  399.778512] Free swap  = 0kB
[  399.783861]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  399.787798] Total swap = 0kB
[  399.787805] 1965979 pages RAM
[  399.790809]  ? print_usage_bug+0xc0/0xc0
[  399.795787] 0 pages HighMem/MovableOnly
[  399.795794] 342853 pages reserved
[  399.798795]  ? __lock_acquire+0x62f/0x4c20
[  399.801868] 0 pages cma reserved
[  399.805916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.809911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.813300]  ? should_fail+0x22d/0xd01
[  399.817580] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.820864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.826367] syz-fuzzer cpuset=/ mems_allowed=0
[  399.832844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.861800]  ? __lock_acquire+0x62f/0x4c20
[  399.866032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.871123]  ? __lock_acquire+0x62f/0x4c20
[  399.875344]  ? should_fail+0x22d/0xd01
[  399.879218]  ? rcu_irq_exit+0x1a2/0x390
[  399.883190]  ? mark_held_locks+0x130/0x130
[  399.887423]  ? mark_held_locks+0x130/0x130
[  399.891661]  ? mark_held_locks+0xc7/0x130
[  399.895803]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  399.900815]  ? zap_class+0x640/0x640
[  399.904518]  ? print_usage_bug+0xc0/0xc0
[  399.908575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.914106]  ? check_preemption_disabled+0x48/0x280
[  399.919122]  ? __lock_is_held+0xb5/0x140
[  399.923201]  __alloc_pages_nodemask+0xa80/0xde0
[  399.927867]  ? zap_class+0x640/0x640
[  399.931575]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.936596]  ? find_held_lock+0x36/0x1c0
[  399.940663]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.945325]  ? lock_downgrade+0x900/0x900
[  399.949471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.955004]  cache_grow_begin+0xa5/0x8c0
[  399.959059]  ? do_raw_spin_unlock+0xa7/0x330
[  399.963478]  fallback_alloc+0x204/0x2e0
[  399.967461]  ____cache_alloc_node+0x1c7/0x1e0
[  399.971953]  kmem_cache_alloc_node+0xe3/0x730
[  399.976448]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.980681]  __alloc_skb+0x119/0x770
[  399.984395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.989674]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.994073]  ? lock_downgrade+0x900/0x900
[  399.998221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.003749]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.009201]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.014644]  ? addrconf_rs_timer+0x690/0x690
[  400.019056]  ndisc_alloc_skb+0x144/0x340
[  400.023115]  ndisc_send_rs+0x331/0x6e0
[  400.027023]  addrconf_rs_timer+0x314/0x690
[  400.031259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.035508]  call_timer_fn+0x272/0x920
[  400.039389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.043614]  ? process_timeout+0x40/0x40
[  400.047677]  ? __run_timers+0x7da/0xc70
[  400.051675]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.056160]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.060642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.064872]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.069458]  ? trace_hardirqs_on+0xbd/0x310
[  400.073785]  ? kasan_check_read+0x11/0x20
[  400.077924]  ? __run_timers+0x7da/0xc70
[  400.081891]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.086993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.091222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.095453]  __run_timers+0x7e5/0xc70
[  400.099263]  ? timer_fixup_init+0x70/0x70
[  400.103409]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.108549]  ? zap_class+0x640/0x640
[  400.112263]  ? enqueue_hrtimer+0x1a5/0x560
[  400.116493]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.121683]  ? find_held_lock+0x36/0x1c0
[  400.125738]  ? zap_class+0x640/0x640
[  400.129450]  ? pvclock_read_flags+0x160/0x160
[  400.133940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.139477]  ? check_preemption_disabled+0x48/0x280
[  400.144494]  ? __lock_is_held+0xb5/0x140
[  400.148552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.154084]  ? check_preemption_disabled+0x48/0x280
[  400.159117]  run_timer_softirq+0x52/0xb0
[  400.163171]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.168192]  __do_softirq+0x308/0xb7e
[  400.171990]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.176490]  ? lock_downgrade+0x900/0x900
[  400.180633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.185736]  ? pvclock_read_flags+0x160/0x160
[  400.190227]  ? lapic_next_event+0x5a/0x90
[  400.194370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.200158]  ? kvm_clock_read+0x18/0x30
[  400.204129]  ? kvm_sched_clock_read+0x9/0x20
[  400.208538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.214074]  ? check_preemption_disabled+0x48/0x280
[  400.219101]  irq_exit+0x17f/0x1c0
[  400.222554]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.227389]  ? smp_reschedule_interrupt+0x109/0x650
[  400.232414]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.238292]  ? interrupt_entry+0xb5/0xc0
[  400.242345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.247352]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.252362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.257201]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.262208]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.267229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.272074]  apic_timer_interrupt+0xf/0x20
[  400.276298]  </IRQ>
[  400.278529] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  400.283456] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  400.302351] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.310055] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.317330] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  400.324588] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  400.331846] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.339109] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  400.346414]  skb_clone+0x1bb/0x500
[  400.349956]  ? finish_task_switch+0x2f4/0x910
[  400.354446]  ? skb_split+0x11e0/0x11e0
[  400.358329]  ? preempt_notifier_register+0x200/0x200
[  400.363425]  ? __switch_to_asm+0x34/0x70
[  400.368008]  ? __switch_to_asm+0x34/0x70
[  400.372063]  ? __switch_to_asm+0x40/0x70
[  400.376116]  ? __switch_to_asm+0x34/0x70
[  400.380166]  ? __switch_to_asm+0x40/0x70
[  400.384216]  ? __switch_to_asm+0x34/0x70
[  400.388265]  ? __switch_to_asm+0x40/0x70
[  400.392320]  ? __switch_to_asm+0x34/0x70
[  400.396374]  ? __switch_to_asm+0x34/0x70
[  400.400437]  ? __switch_to_asm+0x40/0x70
[  400.404489]  ? __switch_to_asm+0x34/0x70
[  400.408548]  bpf_clone_redirect+0xb9/0x490
[  400.412777]  ? __schedule+0x8d7/0x21d0
[  400.416657]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  400.421664]  ? __sched_text_start+0x8/0x8
[  400.425806]  ? retint_kernel+0x2d/0x2d
[  400.429693]  ? find_held_lock+0x36/0x1c0
[  400.433751]  ? lock_acquire+0x1ed/0x520
[  400.437716]  ? bpf_test_run+0x3cb/0x780
[  400.441688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.447219]  ? check_preemption_disabled+0x48/0x280
[  400.452229]  ? kasan_check_read+0x11/0x20
[  400.456367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.461645]  ? rcu_softirq_qs+0x20/0x20
[  400.465617]  ? preempt_schedule+0x4d/0x60
[  400.469759]  ? ___preempt_schedule+0x16/0x18
[  400.474167]  ? bpf_test_run+0x25d/0x780
[  400.478148]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.482554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.488082]  ? bpf_test_init.isra.10+0x70/0x100
[  400.492749]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  400.497506]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.502344]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.507872]  ? fput+0x130/0x1a0
[  400.511145]  ? __bpf_prog_get+0x9b/0x290
[  400.515205]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.520039]  ? bpf_prog_test_run+0x130/0x1a0
[  400.524443]  ? __x64_sys_bpf+0x3d8/0x520
[  400.528502]  ? bpf_prog_get+0x20/0x20
[  400.532311]  ? do_syscall_64+0x1b9/0x820
[  400.536365]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.541730]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.546655]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.552190]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.557218]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  400.563874]  ? __switch_to_asm+0x40/0x70
[  400.567933]  ? __switch_to_asm+0x34/0x70
[  400.571992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.576834]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.582205] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  400.582265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.589128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.589133] Call Trace:
[  400.589138]  <IRQ>
[  400.589154]  dump_stack+0x244/0x39d
[  400.589173]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.595709] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.604996]  warn_alloc.cold.116+0xb7/0x1bd
[  400.607549] syz-executor4 cpuset=syz4 mems_allowed=0
[  400.609690]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.643154]  ? lock_downgrade+0x900/0x900
[  400.647302]  ? trace_hardirqs_off+0xb8/0x310
[  400.651714]  ? trace_hardirqs_off+0xb8/0x310
[  400.656124]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.660983]  ? warn_alloc+0x120/0x120
[  400.664783]  ? print_usage_bug+0xc0/0xc0
[  400.668842]  ? warn_alloc+0x120/0x120
[  400.672650]  ? warn_alloc+0x120/0x120
[  400.676448]  ? print_usage_bug+0xc0/0xc0
[  400.680506]  ? kvm_clock_read+0x18/0x30
[  400.684477]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.689490]  ? print_usage_bug+0xc0/0xc0
[  400.693548]  ? __lock_acquire+0x62f/0x4c20
[  400.697781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.703309]  ? should_fail+0x22d/0xd01
[  400.707187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.712462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.717560]  ? __lock_acquire+0x62f/0x4c20
[  400.721794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.726887]  ? __lock_acquire+0x62f/0x4c20
[  400.731113]  ? should_fail+0x22d/0xd01
[  400.734992]  ? rcu_irq_exit+0x1a2/0x390
[  400.738970]  ? mark_held_locks+0x130/0x130
[  400.743201]  ? mark_held_locks+0x130/0x130
[  400.747439]  ? mark_held_locks+0xc7/0x130
[  400.751579]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  400.756586]  ? zap_class+0x640/0x640
[  400.760293]  ? print_usage_bug+0xc0/0xc0
[  400.764352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.769889]  ? check_preemption_disabled+0x48/0x280
[  400.774906]  ? __lock_is_held+0xb5/0x140
[  400.778965]  __alloc_pages_nodemask+0xa80/0xde0
[  400.783626]  ? zap_class+0x640/0x640
[  400.787338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.792374]  ? find_held_lock+0x36/0x1c0
[  400.796461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.801123]  ? lock_downgrade+0x900/0x900
[  400.805274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.810808]  cache_grow_begin+0xa5/0x8c0
[  400.814863]  ? do_raw_spin_unlock+0xa7/0x330
[  400.819270]  fallback_alloc+0x204/0x2e0
[  400.823242]  ____cache_alloc_node+0x1c7/0x1e0
[  400.827823]  kmem_cache_alloc_node+0xe3/0x730
[  400.832313]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.836547]  __alloc_skb+0x119/0x770
[  400.840252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.845522]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.849921]  ? lock_downgrade+0x900/0x900
[  400.854067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.859599]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.865044]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.870487]  ? addrconf_rs_timer+0x690/0x690
[  400.874896]  ndisc_alloc_skb+0x144/0x340
[  400.878954]  ndisc_send_rs+0x331/0x6e0
[  400.882843]  addrconf_rs_timer+0x314/0x690
[  400.887078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.891320]  call_timer_fn+0x272/0x920
[  400.895199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.899425]  ? process_timeout+0x40/0x40
[  400.903490]  ? mark_held_locks+0xc7/0x130
[  400.907629]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.912112]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.916601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.920829]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.925408]  ? trace_hardirqs_on+0xbd/0x310
[  400.929722]  ? kasan_check_read+0x11/0x20
[  400.933881]  ? __run_timers+0x7da/0xc70
[  400.937862]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.942960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.947192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.951418]  __run_timers+0x7e5/0xc70
[  400.955223]  ? timer_fixup_init+0x70/0x70
[  400.959377]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.964389]  ? zap_class+0x640/0x640
[  400.968106]  ? print_usage_bug+0xc0/0xc0
[  400.972159]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.977345]  ? find_held_lock+0x36/0x1c0
[  400.981412]  ? zap_class+0x640/0x640
[  400.985118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.990647]  ? check_preemption_disabled+0x48/0x280
[  400.995660]  ? __lock_is_held+0xb5/0x140
[  400.999716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.005245]  ? check_preemption_disabled+0x48/0x280
[  401.010261]  run_timer_softirq+0x52/0xb0
[  401.014331]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.019372]  __do_softirq+0x308/0xb7e
[  401.023170]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.027653]  ? lock_downgrade+0x900/0x900
[  401.031800]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.036899]  ? pvclock_read_flags+0x160/0x160
[  401.041392]  ? lapic_next_event+0x5a/0x90
[  401.045538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.051074]  ? kvm_clock_read+0x18/0x30
[  401.055042]  ? kvm_sched_clock_read+0x9/0x20
[  401.059443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.064988]  ? check_preemption_disabled+0x48/0x280
[  401.070004]  irq_exit+0x17f/0x1c0
[  401.073453]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.078289]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.084160]  ? interrupt_entry+0xb5/0xc0
[  401.088214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.093222]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.098249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.103085]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.108094]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.113101]  ? task_prio+0x50/0x50
[  401.116640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.122172]  ? check_preemption_disabled+0x48/0x280
[  401.127199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.132045]  apic_timer_interrupt+0xf/0x20
[  401.136266]  </IRQ>
[  401.138495] RIP: 0010:console_unlock+0x102f/0x1190
[  401.143422] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  401.162326] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  401.170040] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  401.177302] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  401.184571] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  401.191832] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  401.199506] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  401.206774]  ? netconsole_netdev_event+0x280/0x280
[  401.211703]  ? console_unlock+0x1026/0x1190
[  401.216040]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  401.220696]  ? vprintk_emit+0x846/0x990
[  401.224667]  ? lock_release+0xa00/0xa00
[  401.228637]  ? trace_hardirqs_on+0x60/0x310
[  401.232950]  ? vprintk_default+0x28/0x30
[  401.237004]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.242098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.247632]  vprintk_emit+0x391/0x990
[  401.251427]  ? wake_up_klogd+0x180/0x180
[  401.255485]  ? find_held_lock+0x1/0x1c0
[  401.259479]  ? mark_held_locks+0xc7/0x130
[  401.263624]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.268115]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.272614]  vprintk_default+0x28/0x30
[  401.276494]  vprintk_func+0x7e/0x181
[  401.280202]  printk+0xa7/0xcf
[  401.283301]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  401.288058]  ? _raw_spin_unlock_irq+0x60/0x80
[  401.292554]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  401.297831]  dump_header+0x7cc/0xf72
[  401.301547]  ? pagefault_out_of_memory+0x197/0x197
[  401.306473]  ? __lock_acquire+0x62f/0x4c20
[  401.310700]  ? percpu_ref_get_many+0x240/0x240
[  401.315274]  ? print_usage_bug+0xc0/0xc0
[  401.319339]  ? zap_class+0x640/0x640
[  401.323048]  ? print_usage_bug+0xc0/0xc0
[  401.327106]  ? zap_class+0x640/0x640
[  401.330815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.336380]  ? find_held_lock+0x36/0x1c0
[  401.340445]  ? mark_held_locks+0xc7/0x130
[  401.344588]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.349685]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.354781]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.359364]  ? trace_hardirqs_on+0xbd/0x310
[  401.363765]  ? kasan_check_read+0x11/0x20
[  401.367921]  ? ___ratelimit+0x3b4/0x672
[  401.371887]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.376981]  ? trace_hardirqs_on+0x310/0x310
[  401.381391]  ? lock_downgrade+0x900/0x900
[  401.385538]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.390636]  ? ___ratelimit+0x3b9/0x672
[  401.394601]  ? idr_get_free+0xf70/0xf70
[  401.398570]  ? find_held_lock+0x36/0x1c0
[  401.402636]  oom_kill_process.cold.27+0x10/0x903
[  401.407384]  ? zap_class+0x640/0x640
[  401.411104]  ? check_preemption_disabled+0x48/0x280
[  401.416116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.421041]  ? kasan_check_read+0x11/0x20
[  401.425194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.430474]  ? oom_evaluate_task+0x540/0x540
[  401.434879]  ? find_held_lock+0x36/0x1c0
[  401.438939]  ? out_of_memory+0x974/0x1430
[  401.443083]  ? lock_downgrade+0x900/0x900
[  401.447227]  ? check_preemption_disabled+0x48/0x280
[  401.452240]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.457166]  ? kasan_check_read+0x11/0x20
[  401.461306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.466578]  ? rcu_softirq_qs+0x20/0x20
[  401.470548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.476074]  ? oom_evaluate_task+0x302/0x540
[  401.480478]  out_of_memory+0xa84/0x1430
[  401.484450]  ? oom_killer_disable+0x3a0/0x3a0
[  401.488950]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  401.493874]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.498896]  __alloc_pages_slowpath+0x2354/0x2e10
[  401.503754]  ? warn_alloc+0x120/0x120
[  401.507545]  ? mark_held_locks+0x130/0x130
[  401.511776]  ? find_get_entry+0xaae/0x1120
[  401.516009]  ? filemap_map_pages+0x1a20/0x1a20
[  401.520590]  ? zap_class+0x640/0x640
[  401.524313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.529844]  ? check_preemption_disabled+0x48/0x280
[  401.534855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.540397]  ? should_fail+0x22d/0xd01
[  401.544280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.549387]  ? zap_class+0x640/0x640
[  401.553115]  ? __lock_is_held+0xb5/0x140
[  401.557284]  ? mark_held_locks+0x130/0x130
[  401.561521]  ? lock_release+0xa00/0xa00
[  401.565493]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.570935]  ? xa_load+0x2ba/0x460
[  401.574468]  ? lock_downgrade+0x900/0x900
[  401.578610]  ? __might_sleep+0x95/0x190
[  401.582581]  __alloc_pages_nodemask+0xa80/0xde0
[  401.587246]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.592256]  ? __page_cache_alloc+0x191/0x5c0
[  401.596741]  ? xa_load+0x2e1/0x460
[  401.600280]  ? xa_clear_mark+0x40/0x40
[  401.604182]  ? zap_class+0x640/0x640
[  401.607897]  ? zap_class+0x640/0x640
[  401.611605]  ? zap_class+0x640/0x640
[  401.615317]  ? __do_page_cache_readahead+0x663/0x810
[  401.620420]  ? find_held_lock+0x36/0x1c0
[  401.624477]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.630014]  alloc_pages_current+0x173/0x350
[  401.634420]  __page_cache_alloc+0x38c/0x5c0
[  401.638731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.643650]  ? kasan_check_read+0x11/0x20
[  401.647789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.653061]  ? generic_perform_write+0x6a0/0x6a0
[  401.657814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.663349]  ? check_preemption_disabled+0x48/0x280
[  401.668372]  filemap_fault+0x1595/0x25f0
[  401.672458]  ? __lock_page_or_retry+0xa00/0xa00
[  401.677123]  ? mark_held_locks+0x130/0x130
[  401.681359]  ? filemap_map_pages+0xd6b/0x1a20
[  401.685852]  ? lock_downgrade+0x900/0x900
[  401.689994]  ? check_preemption_disabled+0x48/0x280
[  401.695003]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.699926]  ? kasan_check_read+0x11/0x20
[  401.704065]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.709336]  ? rcu_softirq_qs+0x20/0x20
[  401.713324]  ? filemap_map_pages+0xd92/0x1a20
[  401.717819]  ? print_usage_bug+0xc0/0xc0
[  401.721881]  ? find_get_entries_tag+0x1400/0x1400
[  401.726720]  ? __kasan_slab_free+0x102/0x150
[  401.731121]  ? kasan_slab_free+0xe/0x10
[  401.735089]  ? kmem_cache_free+0x83/0x290
[  401.739242]  ? __sigqueue_free.part.29+0x74/0x90
[  401.744004]  ? lock_acquire+0x1ed/0x520
[  401.747972]  ? ext4_filemap_fault+0x7a/0xad
[  401.752300]  ? lock_release+0xa00/0xa00
[  401.756272]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.761719]  ? print_usage_bug+0xc0/0xc0
[  401.765772]  ? print_usage_bug+0xc0/0xc0
[  401.769835]  ? down_read+0x8d/0x120
[  401.773449]  ? ext4_filemap_fault+0x7a/0xad
[  401.777763]  ? __down_interruptible+0x700/0x700
[  401.782435]  ext4_filemap_fault+0x82/0xad
[  401.786579]  __do_fault+0x100/0x6b0
[  401.790200]  ? pmd_devmap_trans_unstable+0x220/0x220
[  401.795299]  ? mark_held_locks+0x130/0x130
[  401.799535]  ? mark_held_locks+0x130/0x130
[  401.803765]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  401.809302]  ? rcu_pm_notify+0xc0/0xc0
[  401.813209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.818740]  __handle_mm_fault+0x3ea0/0x5be0
[  401.823148]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  401.827982]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.832469]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.837043]  ? trace_hardirqs_on+0xbd/0x310
[  401.841355]  ? kasan_check_read+0x11/0x20
[  401.845496]  ? __set_current_blocked+0xdf/0x120
[  401.850176]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.855291]  ? zap_class+0x640/0x640
[  401.859003]  ? zap_class+0x640/0x640
[  401.862715]  ? find_held_lock+0x36/0x1c0
[  401.866776]  ? handle_mm_fault+0x42a/0xc70
[  401.871007]  ? lock_downgrade+0x900/0x900
[  401.875144]  ? check_preemption_disabled+0x48/0x280
[  401.880241]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.885160]  ? kasan_check_read+0x11/0x20
[  401.889307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.894580]  ? rcu_softirq_qs+0x20/0x20
[  401.898556]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.903648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.909197]  ? check_preemption_disabled+0x48/0x280
[  401.914215]  handle_mm_fault+0x54f/0xc70
[  401.918283]  ? __handle_mm_fault+0x5be0/0x5be0
[  401.922870]  ? find_vma+0x34/0x190
[  401.926412]  __do_page_fault+0x5e8/0xe60
[  401.930465]  ? exit_to_usermode_loop+0x1f4/0x380
[  401.935220]  do_page_fault+0xf2/0x7e0
[  401.939015]  ? vmalloc_sync_all+0x30/0x30
[  401.943168]  ? error_entry+0x70/0xd0
[  401.946875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.951885]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.956806]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.961724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.966561]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.971570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.977024]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.982044]  ? page_fault+0x8/0x30
[  401.985587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.990423]  ? page_fault+0x8/0x30
[  401.993955]  page_fault+0x1e/0x30
[  401.997413] RIP: 0033:0x45db60
[  402.000609] Code: Bad RIP value.
[  402.003961] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  402.009317] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  402.016581] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  402.023841] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  402.031103] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  402.038381] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  402.045664] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  402.045668] warn_alloc_show_mem: 1 callbacks suppressed
[  402.045674] Mem-Info:
[  402.052935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.058299] active_anon:48041 inactive_anon:196 isolated_anon:0
[  402.058299]  active_file:13 inactive_file:15 isolated_file:0
[  402.058299]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.058299]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  402.058299]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  402.058299]  free:13795 free_pcp:455 free_cma:0
[  402.060664] Call Trace:
[  402.070031] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.102866]  <IRQ>
[  402.105430] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.132826]  dump_stack+0x244/0x39d
[  402.134942] lowmem_reserve[]: 0 2818 6321 6321
[  402.161038]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.164633] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  402.169213]  warn_alloc.cold.116+0xb7/0x1bd
[  402.174364] lowmem_reserve[]: 0 0 3503 3503
[  402.202245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.206549] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  402.210859]  ? lock_downgrade+0x900/0x900
[  402.215663] lowmem_reserve[]: 0 0 0 0
[  402.244631]  ? trace_hardirqs_off+0xb8/0x310
[  402.248746] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  402.252559]  ? trace_hardirqs_off+0xb8/0x310
[  402.256933] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  402.270456]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.274831] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  402.291051]  ? warn_alloc+0x120/0x120
[  402.295852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.311002]  ? print_usage_bug+0xc0/0xc0
[  402.314780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.323599]  ? warn_alloc+0x120/0x120
[  402.327628] 272 total pagecache pages
[  402.336190]  ? warn_alloc+0x120/0x120
[  402.339966] 0 pages in swap cache
[  402.343747]  ? print_usage_bug+0xc0/0xc0
[  402.347520] Swap cache stats: add 0, delete 0, find 0/0
[  402.350955]  ? kvm_clock_read+0x18/0x30
[  402.354987] Free swap  = 0kB
[  402.360350]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.364293] Total swap = 0kB
[  402.367774]  ? print_usage_bug+0xc0/0xc0
[  402.372763] 1965979 pages RAM
[  402.375771]  ? __lock_acquire+0x62f/0x4c20
[  402.379802] 0 pages HighMem/MovableOnly
[  402.382899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.387100] 342853 pages reserved
[  402.391062]  ? should_fail+0x22d/0xd01
[  402.396569] 0 pages cma reserved
[  402.400178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.404107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.407403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.412711] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.419138]  ? __lock_acquire+0x62f/0x4c20
[  402.424212] syz-fuzzer cpuset=/ mems_allowed=0
[  402.434429]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.448304]  ? __lock_acquire+0x62f/0x4c20
[  402.452530]  ? should_fail+0x22d/0xd01
[  402.456409]  ? rcu_irq_exit+0x1a2/0x390
[  402.460383]  ? mark_held_locks+0x130/0x130
[  402.464612]  ? mark_held_locks+0x130/0x130
[  402.468931]  ? mark_held_locks+0xc7/0x130
[  402.473076]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.478086]  ? zap_class+0x640/0x640
[  402.481796]  ? print_usage_bug+0xc0/0xc0
[  402.485855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.491387]  ? check_preemption_disabled+0x48/0x280
[  402.496409]  ? __lock_is_held+0xb5/0x140
[  402.500471]  __alloc_pages_nodemask+0xa80/0xde0
[  402.505132]  ? zap_class+0x640/0x640
[  402.508843]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.513859]  ? find_held_lock+0x36/0x1c0
[  402.517919]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.522582]  ? lock_downgrade+0x900/0x900
[  402.526726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.532258]  cache_grow_begin+0xa5/0x8c0
[  402.536311]  ? do_raw_spin_unlock+0xa7/0x330
[  402.540719]  fallback_alloc+0x204/0x2e0
[  402.544690]  ____cache_alloc_node+0x1c7/0x1e0
[  402.549186]  kmem_cache_alloc_node+0xe3/0x730
[  402.553696]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.557936]  __alloc_skb+0x119/0x770
[  402.561639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.566911]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.571312]  ? lock_downgrade+0x900/0x900
[  402.575459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.580987]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.586430]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.591877]  ? addrconf_rs_timer+0x690/0x690
[  402.596286]  ndisc_alloc_skb+0x144/0x340
[  402.600343]  ndisc_send_rs+0x331/0x6e0
[  402.604234]  addrconf_rs_timer+0x314/0x690
[  402.608468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.612702]  call_timer_fn+0x272/0x920
[  402.616579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.620804]  ? process_timeout+0x40/0x40
[  402.624861]  ? __run_timers+0x7da/0xc70
[  402.628827]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.633397]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.637883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.642113]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.646691]  ? trace_hardirqs_on+0xbd/0x310
[  402.651005]  ? kasan_check_read+0x11/0x20
[  402.655143]  ? __run_timers+0x7da/0xc70
[  402.659112]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.664224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.668460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.672683]  __run_timers+0x7e5/0xc70
[  402.676483]  ? timer_fixup_init+0x70/0x70
[  402.680623]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.685630]  ? zap_class+0x640/0x640
[  402.689340]  ? enqueue_hrtimer+0x1a5/0x560
[  402.693570]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.698763]  ? find_held_lock+0x36/0x1c0
[  402.702820]  ? zap_class+0x640/0x640
[  402.706529]  ? pvclock_read_flags+0x160/0x160
[  402.711024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.716559]  ? check_preemption_disabled+0x48/0x280
[  402.721577]  ? __lock_is_held+0xb5/0x140
[  402.725634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.731166]  ? check_preemption_disabled+0x48/0x280
[  402.736177]  run_timer_softirq+0x52/0xb0
[  402.740257]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.745268]  __do_softirq+0x308/0xb7e
[  402.749063]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.753548]  ? lock_downgrade+0x900/0x900
[  402.757693]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.762793]  ? pvclock_read_flags+0x160/0x160
[  402.767280]  ? lapic_next_event+0x5a/0x90
[  402.771418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.776946]  ? kvm_clock_read+0x18/0x30
[  402.780911]  ? kvm_sched_clock_read+0x9/0x20
[  402.785313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.790847]  ? check_preemption_disabled+0x48/0x280
[  402.795861]  irq_exit+0x17f/0x1c0
[  402.799310]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.804146]  ? smp_reschedule_interrupt+0x109/0x650
[  402.809152]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.815023]  ? interrupt_entry+0xb5/0xc0
[  402.819075]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.824084]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.829091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.833924]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.838931]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.843948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.848788]  apic_timer_interrupt+0xf/0x20
[  402.853013]  </IRQ>
[  402.855245] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  402.860168] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  402.879064] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.886762] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  402.894021] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  402.901283] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  402.908546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  402.915809] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  402.923201]  skb_clone+0x1bb/0x500
[  402.926744]  ? finish_task_switch+0x2f4/0x910
[  402.931232]  ? skb_split+0x11e0/0x11e0
[  402.935116]  ? preempt_notifier_register+0x200/0x200
[  402.940214]  ? __switch_to_asm+0x34/0x70
[  402.944282]  ? __switch_to_asm+0x34/0x70
[  402.948337]  ? __switch_to_asm+0x40/0x70
[  402.952391]  ? __switch_to_asm+0x34/0x70
[  402.956442]  ? __switch_to_asm+0x40/0x70
[  402.960495]  ? __switch_to_asm+0x34/0x70
[  402.964550]  ? __switch_to_asm+0x40/0x70
[  402.968603]  ? __switch_to_asm+0x34/0x70
[  402.972658]  ? __switch_to_asm+0x34/0x70
[  402.976734]  ? __switch_to_asm+0x40/0x70
[  402.980786]  ? __switch_to_asm+0x34/0x70
[  402.984840]  bpf_clone_redirect+0xb9/0x490
[  402.989065]  ? __schedule+0x8d7/0x21d0
[  402.992951]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  402.997960]  ? __sched_text_start+0x8/0x8
[  403.002107]  ? retint_kernel+0x2d/0x2d
[  403.005995]  ? find_held_lock+0x36/0x1c0
[  403.010078]  ? lock_acquire+0x1ed/0x520
[  403.014044]  ? bpf_test_run+0x3cb/0x780
[  403.018012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.023546]  ? check_preemption_disabled+0x48/0x280
[  403.028562]  ? kasan_check_read+0x11/0x20
[  403.032703]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.037975]  ? rcu_softirq_qs+0x20/0x20
[  403.041944]  ? preempt_schedule+0x4d/0x60
[  403.046086]  ? ___preempt_schedule+0x16/0x18
[  403.050493]  ? bpf_test_run+0x25d/0x780
[  403.054471]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.058877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.064405]  ? bpf_test_init.isra.10+0x70/0x100
[  403.069072]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  403.073838]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.078668]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.084224]  ? fput+0x130/0x1a0
[  403.087497]  ? __bpf_prog_get+0x9b/0x290
[  403.091551]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.096385]  ? bpf_prog_test_run+0x130/0x1a0
[  403.100795]  ? __x64_sys_bpf+0x3d8/0x520
[  403.104850]  ? bpf_prog_get+0x20/0x20
[  403.108662]  ? do_syscall_64+0x1b9/0x820
[  403.112716]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.118077]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.123098]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.128108]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.133122]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  403.139780]  ? __switch_to_asm+0x40/0x70
[  403.143832]  ? __switch_to_asm+0x34/0x70
[  403.147890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.152740]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.158115] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  403.158177] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.165041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.165045] Call Trace:
[  403.165053]  <IRQ>
[  403.165072]  dump_stack+0x244/0x39d
[  403.165093]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.171618] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.180909]  warn_alloc.cold.116+0xb7/0x1bd
[  403.183459] syz-executor4 cpuset=syz4 mems_allowed=0
[  403.185598]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.219066]  ? lock_downgrade+0x900/0x900
[  403.223222]  ? trace_hardirqs_off+0xb8/0x310
[  403.227640]  ? trace_hardirqs_off+0xb8/0x310
[  403.232048]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.236908]  ? warn_alloc+0x120/0x120
[  403.240703]  ? print_usage_bug+0xc0/0xc0
[  403.244758]  ? warn_alloc+0x120/0x120
[  403.248554]  ? warn_alloc+0x120/0x120
[  403.252351]  ? print_usage_bug+0xc0/0xc0
[  403.256410]  ? print_usage_bug+0xc0/0xc0
[  403.260474]  ? __lock_acquire+0x62f/0x4c20
[  403.264710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.270239]  ? should_fail+0x22d/0xd01
[  403.274122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.279226]  ? __lock_acquire+0x62f/0x4c20
[  403.283457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.288551]  ? __lock_acquire+0x62f/0x4c20
[  403.292780]  ? should_fail+0x22d/0xd01
[  403.296660]  ? find_held_lock+0x36/0x1c0
[  403.300726]  ? mark_held_locks+0x130/0x130
[  403.304967]  ? mark_held_locks+0x130/0x130
[  403.309192]  ? zap_class+0x640/0x640
[  403.312899]  ? zap_class+0x640/0x640
[  403.316608]  ? print_usage_bug+0xc0/0xc0
[  403.320658]  ? do_raw_spin_unlock+0xa7/0x330
[  403.325063]  ? zap_class+0x640/0x640
[  403.328769]  ? print_usage_bug+0xc0/0xc0
[  403.332819]  ? wq_watchdog_touch+0x9c/0xfe
[  403.337051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.342587]  ? check_preemption_disabled+0x48/0x280
[  403.347606]  ? __lock_is_held+0xb5/0x140
[  403.351663]  __alloc_pages_nodemask+0xa80/0xde0
[  403.356326]  ? zap_class+0x640/0x640
[  403.360033]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.365051]  ? find_held_lock+0x36/0x1c0
[  403.369113]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.373779]  ? lock_downgrade+0x900/0x900
[  403.377927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.383464]  cache_grow_begin+0xa5/0x8c0
[  403.387521]  ? do_raw_spin_unlock+0xa7/0x330
[  403.391930]  fallback_alloc+0x204/0x2e0
[  403.395906]  ____cache_alloc_node+0x1c7/0x1e0
[  403.400398]  kmem_cache_alloc_node+0xe3/0x730
[  403.404885]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.409123]  __alloc_skb+0x119/0x770
[  403.412836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.418106]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.422507]  ? lock_downgrade+0x900/0x900
[  403.426652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.432182]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.437643]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.443088]  ? addrconf_rs_timer+0x690/0x690
[  403.447518]  ndisc_alloc_skb+0x144/0x340
[  403.451581]  ndisc_send_rs+0x331/0x6e0
[  403.455471]  addrconf_rs_timer+0x314/0x690
[  403.459703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.463943]  call_timer_fn+0x272/0x920
[  403.467821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.472054]  ? process_timeout+0x40/0x40
[  403.476118]  ? mark_held_locks+0xc7/0x130
[  403.480267]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.484754]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.489242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.493473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.498049]  ? trace_hardirqs_on+0xbd/0x310
[  403.502449]  ? kasan_check_read+0x11/0x20
[  403.506587]  ? __run_timers+0x7da/0xc70
[  403.510554]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.515674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.519900]  __run_timers+0x7e5/0xc70
[  403.523701]  ? timer_fixup_init+0x70/0x70
[  403.527848]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.532860]  ? zap_class+0x640/0x640
[  403.536569]  ? print_usage_bug+0xc0/0xc0
[  403.540621]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.545830]  ? find_held_lock+0x36/0x1c0
[  403.549908]  ? zap_class+0x640/0x640
[  403.553619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.559176]  ? check_preemption_disabled+0x48/0x280
[  403.564202]  ? __lock_is_held+0xb5/0x140
[  403.568254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.573791]  ? check_preemption_disabled+0x48/0x280
[  403.578810]  run_timer_softirq+0x52/0xb0
[  403.582861]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.587872]  __do_softirq+0x308/0xb7e
[  403.591673]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.596161]  ? lock_downgrade+0x900/0x900
[  403.600311]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.605413]  ? pvclock_read_flags+0x160/0x160
[  403.609903]  ? lapic_next_event+0x5a/0x90
[  403.614046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.619578]  ? kvm_clock_read+0x18/0x30
[  403.623553]  ? kvm_sched_clock_read+0x9/0x20
[  403.627974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.633504]  ? check_preemption_disabled+0x48/0x280
[  403.638517]  irq_exit+0x17f/0x1c0
[  403.641967]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.646802]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.652676]  ? interrupt_entry+0xb5/0xc0
[  403.656732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.661738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.666750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.671586]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.676595]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.681606]  ? task_prio+0x50/0x50
[  403.685149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.690686]  ? check_preemption_disabled+0x48/0x280
[  403.695695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.700552]  apic_timer_interrupt+0xf/0x20
[  403.704768]  </IRQ>
[  403.706998] RIP: 0010:console_unlock+0x102f/0x1190
[  403.711921] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  403.730812] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  403.738512] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  403.745770] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  403.753034] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  403.760296] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  403.767554] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  403.774835]  ? netconsole_netdev_event+0x280/0x280
[  403.779936]  ? console_unlock+0x1026/0x1190
[  403.784266]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  403.788924]  ? vprintk_emit+0x846/0x990
[  403.792893]  ? lock_release+0xa00/0xa00
[  403.796858]  ? trace_hardirqs_on+0x60/0x310
[  403.801177]  ? vprintk_default+0x28/0x30
[  403.805234]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.810334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.815872]  vprintk_emit+0x391/0x990
[  403.819671]  ? wake_up_klogd+0x180/0x180
[  403.823732]  ? find_held_lock+0x1/0x1c0
[  403.827711]  ? mark_held_locks+0xc7/0x130
[  403.831851]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.836334]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.840830]  vprintk_default+0x28/0x30
[  403.844709]  vprintk_func+0x7e/0x181
[  403.848418]  printk+0xa7/0xcf
[  403.851533]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  403.856283]  ? _raw_spin_unlock_irq+0x60/0x80
[  403.860782]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  403.866058]  dump_header+0x7cc/0xf72
[  403.869772]  ? pagefault_out_of_memory+0x197/0x197
[  403.874698]  ? __lock_acquire+0x62f/0x4c20
[  403.879012]  ? percpu_ref_get_many+0x240/0x240
[  403.883588]  ? print_usage_bug+0xc0/0xc0
[  403.887648]  ? zap_class+0x640/0x640
[  403.891355]  ? print_usage_bug+0xc0/0xc0
[  403.895410]  ? zap_class+0x640/0x640
[  403.899127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.904752]  ? find_held_lock+0x36/0x1c0
[  403.908813]  ? mark_held_locks+0xc7/0x130
[  403.912954]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.918047]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.923146]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.927727]  ? trace_hardirqs_on+0xbd/0x310
[  403.932045]  ? kasan_check_read+0x11/0x20
[  403.936188]  ? ___ratelimit+0x3b4/0x672
[  403.940163]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.945262]  ? trace_hardirqs_on+0x310/0x310
[  403.949685]  ? lock_downgrade+0x900/0x900
[  403.953831]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.958927]  ? ___ratelimit+0x3b9/0x672
[  403.962894]  ? idr_get_free+0xf70/0xf70
[  403.966858]  ? find_held_lock+0x36/0x1c0
[  403.970919]  oom_kill_process.cold.27+0x10/0x903
[  403.975667]  ? zap_class+0x640/0x640
[  403.979377]  ? check_preemption_disabled+0x48/0x280
[  403.984399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.989319]  ? kasan_check_read+0x11/0x20
[  403.993457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.998732]  ? oom_evaluate_task+0x540/0x540
[  404.003156]  ? find_held_lock+0x36/0x1c0
[  404.007221]  ? out_of_memory+0x974/0x1430
[  404.011363]  ? lock_downgrade+0x900/0x900
[  404.015502]  ? check_preemption_disabled+0x48/0x280
[  404.020513]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.025434]  ? kasan_check_read+0x11/0x20
[  404.029573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.034841]  ? rcu_softirq_qs+0x20/0x20
[  404.038812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.044341]  ? oom_evaluate_task+0x302/0x540
[  404.048748]  out_of_memory+0xa84/0x1430
[  404.052721]  ? oom_killer_disable+0x3a0/0x3a0
[  404.057212]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  404.062146]  ? __ww_mutex_check_waiters+0x160/0x160
[  404.067168]  __alloc_pages_slowpath+0x2354/0x2e10
[  404.072031]  ? warn_alloc+0x120/0x120
[  404.075824]  ? mark_held_locks+0x130/0x130
[  404.080056]  ? find_get_entry+0xaae/0x1120
[  404.084289]  ? filemap_map_pages+0x1a20/0x1a20
[  404.088864]  ? zap_class+0x640/0x640
[  404.092572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.098107]  ? check_preemption_disabled+0x48/0x280
[  404.103125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.108663]  ? should_fail+0x22d/0xd01
[  404.112545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.117637]  ? zap_class+0x640/0x640
[  404.121366]  ? __lock_is_held+0xb5/0x140
[  404.125427]  ? mark_held_locks+0x130/0x130
[  404.129658]  ? lock_release+0xa00/0xa00
[  404.133629]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.139075]  ? xa_load+0x2ba/0x460
[  404.142612]  ? lock_downgrade+0x900/0x900
[  404.146760]  ? __might_sleep+0x95/0x190
[  404.150731]  __alloc_pages_nodemask+0xa80/0xde0
[  404.155408]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.160414]  ? __page_cache_alloc+0x191/0x5c0
[  404.164903]  ? xa_load+0x2e1/0x460
[  404.168458]  ? xa_clear_mark+0x40/0x40
[  404.172339]  ? zap_class+0x640/0x640
[  404.176050]  ? zap_class+0x640/0x640
[  404.179766]  ? zap_class+0x640/0x640
[  404.183473]  ? __do_page_cache_readahead+0x663/0x810
[  404.188573]  ? find_held_lock+0x36/0x1c0
[  404.192638]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  404.198602]  alloc_pages_current+0x173/0x350
[  404.203010]  __page_cache_alloc+0x38c/0x5c0
[  404.207320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.212279]  ? kasan_check_read+0x11/0x20
[  404.216421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.221691]  ? generic_perform_write+0x6a0/0x6a0
[  404.226443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.231976]  ? check_preemption_disabled+0x48/0x280
[  404.236992]  filemap_fault+0x1595/0x25f0
[  404.241060]  ? __lock_page_or_retry+0xa00/0xa00
[  404.245730]  ? mark_held_locks+0x130/0x130
[  404.249965]  ? filemap_map_pages+0xd6b/0x1a20
[  404.254452]  ? lock_downgrade+0x900/0x900
[  404.258594]  ? check_preemption_disabled+0x48/0x280
[  404.263607]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.268528]  ? kasan_check_read+0x11/0x20
[  404.272667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.277934]  ? rcu_softirq_qs+0x20/0x20
[  404.281911]  ? filemap_map_pages+0xd92/0x1a20
[  404.286405]  ? print_usage_bug+0xc0/0xc0
[  404.290462]  ? find_get_entries_tag+0x1400/0x1400
[  404.295298]  ? __kasan_slab_free+0x102/0x150
[  404.299700]  ? kasan_slab_free+0xe/0x10
[  404.303667]  ? kmem_cache_free+0x83/0x290
[  404.307810]  ? __sigqueue_free.part.29+0x74/0x90
[  404.312572]  ? lock_acquire+0x1ed/0x520
[  404.316537]  ? ext4_filemap_fault+0x7a/0xad
[  404.320856]  ? lock_release+0xa00/0xa00
[  404.324820]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.330267]  ? print_usage_bug+0xc0/0xc0
[  404.334325]  ? print_usage_bug+0xc0/0xc0
[  404.338389]  ? down_read+0x8d/0x120
[  404.342011]  ? ext4_filemap_fault+0x7a/0xad
[  404.346328]  ? __down_interruptible+0x700/0x700
[  404.350995]  ext4_filemap_fault+0x82/0xad
[  404.355145]  __do_fault+0x100/0x6b0
[  404.358771]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.364792]  ? mark_held_locks+0x130/0x130
[  404.369040]  ? mark_held_locks+0x130/0x130
[  404.373277]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  404.378809]  ? rcu_pm_notify+0xc0/0xc0
[  404.382697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.388234]  __handle_mm_fault+0x3ea0/0x5be0
[  404.392656]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  404.397498]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.401985]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.406560]  ? trace_hardirqs_on+0xbd/0x310
[  404.410874]  ? kasan_check_read+0x11/0x20
[  404.415015]  ? __set_current_blocked+0xdf/0x120
[  404.419682]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.424790]  ? zap_class+0x640/0x640
[  404.428515]  ? zap_class+0x640/0x640
[  404.432233]  ? find_held_lock+0x36/0x1c0
[  404.436298]  ? handle_mm_fault+0x42a/0xc70
[  404.440530]  ? lock_downgrade+0x900/0x900
[  404.444675]  ? check_preemption_disabled+0x48/0x280
[  404.449685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.454609]  ? kasan_check_read+0x11/0x20
[  404.458752]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.464023]  ? rcu_softirq_qs+0x20/0x20
[  404.467990]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.473104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.478638]  ? check_preemption_disabled+0x48/0x280
[  404.483654]  handle_mm_fault+0x54f/0xc70
[  404.487710]  ? __handle_mm_fault+0x5be0/0x5be0
[  404.492289]  ? find_vma+0x34/0x190
[  404.495830]  __do_page_fault+0x5e8/0xe60
[  404.499889]  ? exit_to_usermode_loop+0x1f4/0x380
[  404.504647]  do_page_fault+0xf2/0x7e0
[  404.508443]  ? vmalloc_sync_all+0x30/0x30
[  404.512605]  ? error_entry+0x70/0xd0
[  404.516400]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.521407]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.526331]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.531271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.536115]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.541128]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.546575]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.551585]  ? page_fault+0x8/0x30
[  404.555124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.559963]  ? page_fault+0x8/0x30
[  404.563500]  page_fault+0x1e/0x30
[  404.566959] RIP: 0033:0x45db60
[  404.570155] Code: Bad RIP value.
[  404.573512] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  404.578870] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  404.586129] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  404.593389] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  404.600651] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  404.607914] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  404.615191] warn_alloc_show_mem: 1 callbacks suppressed
[  404.615200] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  404.615202] Mem-Info:
[  404.615232] active_anon:48041 inactive_anon:196 isolated_anon:0
[  404.615232]  active_file:13 inactive_file:15 isolated_file:0
[  404.615232]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.615232]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  404.615232]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  404.615232]  free:13795 free_pcp:455 free_cma:0
[  404.620560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.620567] Call Trace:
[  404.627839] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.630229]  <IRQ>
[  404.663085] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  404.672432]  dump_stack+0x244/0x39d
[  404.674981] lowmem_reserve[]: 0 2818 6321 6321
[  404.702378]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.704500] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  404.730609]  warn_alloc.cold.116+0xb7/0x1bd
[  404.734192] lowmem_reserve[]: 0 0 3503 3503
[  404.738767]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.744010] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  404.771755]  ? lock_downgrade+0x900/0x900
[  404.776067] lowmem_reserve[]: 0 0 0 0
[  404.780380]  ? trace_hardirqs_off+0xb8/0x310
[  404.785186] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  404.814149]  ? trace_hardirqs_off+0xb8/0x310
[  404.818265] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  404.822061]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.826434] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  404.839967]  ? warn_alloc+0x120/0x120
[  404.844329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.860519]  ? print_usage_bug+0xc0/0xc0
[  404.865334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.880483]  ? warn_alloc+0x120/0x120
[  404.884255] 272 total pagecache pages
[  404.893072]  ? warn_alloc+0x120/0x120
[  404.897111] 0 pages in swap cache
[  404.905681]  ? print_usage_bug+0xc0/0xc0
[  404.909473] Swap cache stats: add 0, delete 0, find 0/0
[  404.913253]  ? print_usage_bug+0xc0/0xc0
[  404.917021] Free swap  = 0kB
[  404.920462]  ? __lock_acquire+0x62f/0x4c20
[  404.924493] Total swap = 0kB
[  404.929840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.933869] 1965979 pages RAM
[  404.936890]  ? should_fail+0x22d/0xd01
[  404.941097] 0 pages HighMem/MovableOnly
[  404.944111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.949616] 342853 pages reserved
[  404.952705]  ? __lock_acquire+0x62f/0x4c20
[  404.956560] 0 pages cma reserved
[  404.960519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.965641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.969033]  ? __lock_acquire+0x62f/0x4c20
[  404.969048]  ? should_fail+0x22d/0xd01
[  404.973300] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.976606]  ? mark_held_locks+0x130/0x130
[  404.981674] syz-fuzzer cpuset=/ mems_allowed=0
[  404.988170]  ? mark_held_locks+0x130/0x130
[  405.019427]  ? zap_class+0x640/0x640
[  405.023169]  ? zap_class+0x640/0x640
[  405.026878]  ? print_usage_bug+0xc0/0xc0
[  405.030933]  ? wq_watchdog_touch+0x9c/0xfe
[  405.035160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.040689]  ? check_preemption_disabled+0x48/0x280
[  405.045708]  ? __lock_is_held+0xb5/0x140
[  405.049765]  __alloc_pages_nodemask+0xa80/0xde0
[  405.054424]  ? zap_class+0x640/0x640
[  405.058133]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.063148]  ? find_held_lock+0x36/0x1c0
[  405.067209]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.071873]  ? lock_downgrade+0x900/0x900
[  405.076022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.081555]  cache_grow_begin+0xa5/0x8c0
[  405.085609]  ? do_raw_spin_unlock+0xa7/0x330
[  405.090031]  fallback_alloc+0x204/0x2e0
[  405.094002]  ____cache_alloc_node+0x1c7/0x1e0
[  405.098500]  kmem_cache_alloc_node+0xe3/0x730
[  405.103086]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.107320]  __alloc_skb+0x119/0x770
[  405.111111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.116382]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.120786]  ? lock_downgrade+0x900/0x900
[  405.124934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.130465]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.135914]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.141369]  ? addrconf_rs_timer+0x690/0x690
[  405.145797]  ndisc_alloc_skb+0x144/0x340
[  405.149857]  ndisc_send_rs+0x331/0x6e0
[  405.153740]  addrconf_rs_timer+0x314/0x690
[  405.158057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.162290]  call_timer_fn+0x272/0x920
[  405.166168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.170395]  ? process_timeout+0x40/0x40
[  405.174454]  ? __run_timers+0x7da/0xc70
[  405.178419]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.182934]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.187422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.191654]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.196229]  ? trace_hardirqs_on+0xbd/0x310
[  405.200546]  ? kasan_check_read+0x11/0x20
[  405.204691]  ? __run_timers+0x7da/0xc70
[  405.208658]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.213766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.217990]  __run_timers+0x7e5/0xc70
[  405.221796]  ? timer_fixup_init+0x70/0x70
[  405.225939]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.230948]  ? zap_class+0x640/0x640
[  405.234662]  ? enqueue_hrtimer+0x1a5/0x560
[  405.238890]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.244086]  ? find_held_lock+0x36/0x1c0
[  405.248148]  ? zap_class+0x640/0x640
[  405.251857]  ? pvclock_read_flags+0x160/0x160
[  405.256347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.261876]  ? check_preemption_disabled+0x48/0x280
[  405.266894]  ? __lock_is_held+0xb5/0x140
[  405.270951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.276485]  ? check_preemption_disabled+0x48/0x280
[  405.281495]  run_timer_softirq+0x52/0xb0
[  405.285566]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.290578]  __do_softirq+0x308/0xb7e
[  405.294375]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.298870]  ? lock_downgrade+0x900/0x900
[  405.303018]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.308120]  ? pvclock_read_flags+0x160/0x160
[  405.312614]  ? lapic_next_event+0x5a/0x90
[  405.316769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.322307]  ? kvm_clock_read+0x18/0x30
[  405.326276]  ? kvm_sched_clock_read+0x9/0x20
[  405.330679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.336211]  ? check_preemption_disabled+0x48/0x280
[  405.341228]  irq_exit+0x17f/0x1c0
[  405.344675]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.349510]  ? smp_reschedule_interrupt+0x109/0x650
[  405.354527]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.360410]  ? interrupt_entry+0xb5/0xc0
[  405.364469]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.369477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.374490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.379326]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.384336]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.389353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.394197]  apic_timer_interrupt+0xf/0x20
[  405.398419]  </IRQ>
[  405.400657] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.405599] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  405.424494] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.432199] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.439461] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  405.446722] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  405.453995] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.461254] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  405.468552]  skb_clone+0x1bb/0x500
[  405.472085]  ? finish_task_switch+0x2f4/0x910
[  405.476577]  ? skb_split+0x11e0/0x11e0
[  405.480457]  ? preempt_notifier_register+0x200/0x200
[  405.485548]  ? __switch_to_asm+0x34/0x70
[  405.489616]  ? __switch_to_asm+0x34/0x70
[  405.493666]  ? __switch_to_asm+0x40/0x70
[  405.497715]  ? __switch_to_asm+0x34/0x70
[  405.501766]  ? __switch_to_asm+0x40/0x70
[  405.505816]  ? __switch_to_asm+0x34/0x70
[  405.509869]  ? __switch_to_asm+0x40/0x70
[  405.513917]  ? __switch_to_asm+0x34/0x70
[  405.517966]  ? __switch_to_asm+0x34/0x70
[  405.522024]  ? __switch_to_asm+0x40/0x70
[  405.526078]  ? __switch_to_asm+0x34/0x70
[  405.530139]  bpf_clone_redirect+0xb9/0x490
[  405.534370]  ? __schedule+0x8d7/0x21d0
[  405.538253]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  405.543265]  ? __sched_text_start+0x8/0x8
[  405.547409]  ? retint_kernel+0x2d/0x2d
[  405.551298]  ? find_held_lock+0x36/0x1c0
[  405.555360]  ? lock_acquire+0x1ed/0x520
[  405.559328]  ? bpf_test_run+0x3cb/0x780
[  405.563301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.568829]  ? check_preemption_disabled+0x48/0x280
[  405.573843]  ? kasan_check_read+0x11/0x20
[  405.578003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.583273]  ? rcu_softirq_qs+0x20/0x20
[  405.587236]  ? preempt_schedule+0x4d/0x60
[  405.591377]  ? ___preempt_schedule+0x16/0x18
[  405.595782]  ? bpf_test_run+0x25d/0x780
[  405.599761]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.604162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.609691]  ? bpf_test_init.isra.10+0x70/0x100
[  405.614355]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  405.619113]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.623949]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.629484]  ? fput+0x130/0x1a0
[  405.632760]  ? __bpf_prog_get+0x9b/0x290
[  405.636814]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.641646]  ? bpf_prog_test_run+0x130/0x1a0
[  405.646053]  ? __x64_sys_bpf+0x3d8/0x520
[  405.650105]  ? bpf_prog_get+0x20/0x20
[  405.653916]  ? do_syscall_64+0x1b9/0x820
[  405.657988]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.663344]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.668281]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.673289]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.678302]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  405.684958]  ? __switch_to_asm+0x40/0x70
[  405.689019]  ? __switch_to_asm+0x34/0x70
[  405.693077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.697922]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.703290] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  405.703353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.710229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.710233] Call Trace:
[  405.710238]  <IRQ>
[  405.710252]  dump_stack+0x244/0x39d
[  405.710273]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.716825] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.726112]  warn_alloc.cold.116+0xb7/0x1bd
[  405.728658] syz-executor4 cpuset=syz4 mems_allowed=0
[  405.730797]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.764257]  ? lock_downgrade+0x900/0x900
[  405.768407]  ? trace_hardirqs_off+0xb8/0x310
[  405.772812]  ? trace_hardirqs_off+0xb8/0x310
[  405.777219]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.782081]  ? warn_alloc+0x120/0x120
[  405.785878]  ? print_usage_bug+0xc0/0xc0
[  405.789938]  ? warn_alloc+0x120/0x120
[  405.793741]  ? warn_alloc+0x120/0x120
[  405.797537]  ? print_usage_bug+0xc0/0xc0
[  405.801592]  ? print_usage_bug+0xc0/0xc0
[  405.805733]  ? __lock_acquire+0x62f/0x4c20
[  405.809970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.815501]  ? should_fail+0x22d/0xd01
[  405.819384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.824483]  ? __lock_acquire+0x62f/0x4c20
[  405.828711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.833804]  ? __lock_acquire+0x62f/0x4c20
[  405.838032]  ? should_fail+0x22d/0xd01
[  405.841909]  ? find_held_lock+0x36/0x1c0
[  405.845977]  ? mark_held_locks+0x130/0x130
[  405.850211]  ? mark_held_locks+0x130/0x130
[  405.854447]  ? zap_class+0x640/0x640
[  405.858154]  ? zap_class+0x640/0x640
[  405.861865]  ? print_usage_bug+0xc0/0xc0
[  405.865936]  ? do_raw_spin_unlock+0xa7/0x330
[  405.870344]  ? zap_class+0x640/0x640
[  405.874050]  ? print_usage_bug+0xc0/0xc0
[  405.878102]  ? wq_watchdog_touch+0x9c/0xfe
[  405.882330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.887863]  ? check_preemption_disabled+0x48/0x280
[  405.892879]  ? __lock_is_held+0xb5/0x140
[  405.896940]  __alloc_pages_nodemask+0xa80/0xde0
[  405.901610]  ? zap_class+0x640/0x640
[  405.905326]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.910344]  ? find_held_lock+0x36/0x1c0
[  405.914409]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.919077]  ? lock_downgrade+0x900/0x900
[  405.923230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.928782]  cache_grow_begin+0xa5/0x8c0
[  405.932834]  ? do_raw_spin_unlock+0xa7/0x330
[  405.937241]  fallback_alloc+0x204/0x2e0
[  405.941216]  ____cache_alloc_node+0x1c7/0x1e0
[  405.945711]  kmem_cache_alloc_node+0xe3/0x730
[  405.950197]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.954434]  __alloc_skb+0x119/0x770
[  405.958138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.963428]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.967830]  ? lock_downgrade+0x900/0x900
[  405.971997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.977529]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.982980]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.988428]  ? addrconf_rs_timer+0x690/0x690
[  405.992841]  ndisc_alloc_skb+0x144/0x340
[  405.996898]  ndisc_send_rs+0x331/0x6e0
[  406.000781]  addrconf_rs_timer+0x314/0x690
[  406.005020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.009260]  call_timer_fn+0x272/0x920
[  406.013142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.017372]  ? process_timeout+0x40/0x40
[  406.021450]  ? mark_held_locks+0xc7/0x130
[  406.025592]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.030080]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.034573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.038799]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.043375]  ? trace_hardirqs_on+0xbd/0x310
[  406.047709]  ? kasan_check_read+0x11/0x20
[  406.051849]  ? __run_timers+0x7da/0xc70
[  406.055816]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.060914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.065152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.069379]  __run_timers+0x7e5/0xc70
[  406.073180]  ? timer_fixup_init+0x70/0x70
[  406.077327]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.082336]  ? zap_class+0x640/0x640
[  406.086050]  ? print_usage_bug+0xc0/0xc0
[  406.090110]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.095300]  ? find_held_lock+0x36/0x1c0
[  406.099361]  ? zap_class+0x640/0x640
[  406.103071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.108602]  ? check_preemption_disabled+0x48/0x280
[  406.113623]  ? __lock_is_held+0xb5/0x140
[  406.117677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.123208]  ? check_preemption_disabled+0x48/0x280
[  406.128224]  run_timer_softirq+0x52/0xb0
[  406.132291]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.137300]  __do_softirq+0x308/0xb7e
[  406.141099]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.145589]  ? lock_downgrade+0x900/0x900
[  406.149738]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.154845]  ? pvclock_read_flags+0x160/0x160
[  406.159339]  ? lapic_next_event+0x5a/0x90
[  406.163486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.169024]  ? kvm_clock_read+0x18/0x30
[  406.172991]  ? kvm_sched_clock_read+0x9/0x20
[  406.177396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.182932]  ? check_preemption_disabled+0x48/0x280
[  406.187956]  irq_exit+0x17f/0x1c0
[  406.191411]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.196253]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.202587]  ? interrupt_entry+0xb5/0xc0
[  406.206642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.211649]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.216659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.221494]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.226501]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.231516]  ? task_prio+0x50/0x50
[  406.235048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.240578]  ? check_preemption_disabled+0x48/0x280
[  406.245590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.250440]  apic_timer_interrupt+0xf/0x20
[  406.254664]  </IRQ>
[  406.256896] RIP: 0010:console_unlock+0x102f/0x1190
[  406.261828] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  406.280721] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  406.288419] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  406.295679] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  406.302944] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  406.310208] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  406.317469] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  406.324731]  ? netconsole_netdev_event+0x280/0x280
[  406.329655]  ? console_unlock+0x1026/0x1190
[  406.333984]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  406.338642]  ? vprintk_emit+0x846/0x990
[  406.342624]  ? lock_release+0xa00/0xa00
[  406.346591]  ? trace_hardirqs_on+0x60/0x310
[  406.350915]  ? vprintk_default+0x28/0x30
[  406.354973]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.360078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.365803]  vprintk_emit+0x391/0x990
[  406.369600]  ? wake_up_klogd+0x180/0x180
[  406.373676]  ? find_held_lock+0x1/0x1c0
[  406.377655]  ? mark_held_locks+0xc7/0x130
[  406.381799]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.386283]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.390797]  vprintk_default+0x28/0x30
[  406.394679]  vprintk_func+0x7e/0x181
[  406.398389]  printk+0xa7/0xcf
[  406.401489]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  406.406238]  ? _raw_spin_unlock_irq+0x60/0x80
[  406.410739]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  406.416016]  dump_header+0x7cc/0xf72
[  406.419913]  ? pagefault_out_of_memory+0x197/0x197
[  406.424843]  ? __lock_acquire+0x62f/0x4c20
[  406.429072]  ? percpu_ref_get_many+0x240/0x240
[  406.433651]  ? print_usage_bug+0xc0/0xc0
[  406.437711]  ? zap_class+0x640/0x640
[  406.441425]  ? print_usage_bug+0xc0/0xc0
[  406.445482]  ? zap_class+0x640/0x640
[  406.449193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.454726]  ? find_held_lock+0x36/0x1c0
[  406.458791]  ? mark_held_locks+0xc7/0x130
[  406.462938]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.468034]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.473130]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.477707]  ? trace_hardirqs_on+0xbd/0x310
[  406.482027]  ? kasan_check_read+0x11/0x20
[  406.486169]  ? ___ratelimit+0x3b4/0x672
[  406.490136]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.495234]  ? trace_hardirqs_on+0x310/0x310
[  406.499637]  ? lock_downgrade+0x900/0x900
[  406.503781]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.508873]  ? ___ratelimit+0x3b9/0x672
[  406.512843]  ? idr_get_free+0xf70/0xf70
[  406.516811]  ? find_held_lock+0x36/0x1c0
[  406.520871]  oom_kill_process.cold.27+0x10/0x903
[  406.525623]  ? zap_class+0x640/0x640
[  406.529330]  ? check_preemption_disabled+0x48/0x280
[  406.534345]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.539268]  ? kasan_check_read+0x11/0x20
[  406.543407]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.548676]  ? oom_evaluate_task+0x540/0x540
[  406.553081]  ? find_held_lock+0x36/0x1c0
[  406.557138]  ? out_of_memory+0x974/0x1430
[  406.561280]  ? lock_downgrade+0x900/0x900
[  406.565436]  ? check_preemption_disabled+0x48/0x280
[  406.570452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.575374]  ? kasan_check_read+0x11/0x20
[  406.579512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.584784]  ? rcu_softirq_qs+0x20/0x20
[  406.588758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.594284]  ? oom_evaluate_task+0x302/0x540
[  406.598690]  out_of_memory+0xa84/0x1430
[  406.602662]  ? oom_killer_disable+0x3a0/0x3a0
[  406.607151]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  406.612078]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.617095]  __alloc_pages_slowpath+0x2354/0x2e10
[  406.621961]  ? warn_alloc+0x120/0x120
[  406.625753]  ? mark_held_locks+0x130/0x130
[  406.629983]  ? find_get_entry+0xaae/0x1120
[  406.634219]  ? filemap_map_pages+0x1a20/0x1a20
[  406.638794]  ? zap_class+0x640/0x640
[  406.642505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.648035]  ? check_preemption_disabled+0x48/0x280
[  406.653045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.658576]  ? should_fail+0x22d/0xd01
[  406.662469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.667570]  ? zap_class+0x640/0x640
[  406.671295]  ? __lock_is_held+0xb5/0x140
[  406.675354]  ? mark_held_locks+0x130/0x130
[  406.679585]  ? lock_release+0xa00/0xa00
[  406.683552]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.688994]  ? xa_load+0x2ba/0x460
[  406.692533]  ? lock_downgrade+0x900/0x900
[  406.696691]  ? __might_sleep+0x95/0x190
[  406.700659]  __alloc_pages_nodemask+0xa80/0xde0
[  406.705325]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.710332]  ? __page_cache_alloc+0x191/0x5c0
[  406.714822]  ? xa_load+0x2e1/0x460
[  406.718355]  ? xa_clear_mark+0x40/0x40
[  406.722241]  ? zap_class+0x640/0x640
[  406.725956]  ? zap_class+0x640/0x640
[  406.729663]  ? zap_class+0x640/0x640
[  406.733368]  ? __do_page_cache_readahead+0x663/0x810
[  406.738465]  ? find_held_lock+0x36/0x1c0
[  406.742524]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  406.748061]  alloc_pages_current+0x173/0x350
[  406.752470]  __page_cache_alloc+0x38c/0x5c0
[  406.756781]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.761702]  ? kasan_check_read+0x11/0x20
[  406.765843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.771114]  ? generic_perform_write+0x6a0/0x6a0
[  406.775860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.781396]  ? check_preemption_disabled+0x48/0x280
[  406.786408]  filemap_fault+0x1595/0x25f0
[  406.790474]  ? __lock_page_or_retry+0xa00/0xa00
[  406.795139]  ? mark_held_locks+0x130/0x130
[  406.799381]  ? filemap_map_pages+0xd6b/0x1a20
[  406.803867]  ? lock_downgrade+0x900/0x900
[  406.808015]  ? check_preemption_disabled+0x48/0x280
[  406.813028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.817954]  ? kasan_check_read+0x11/0x20
[  406.822092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.827373]  ? rcu_softirq_qs+0x20/0x20
[  406.831348]  ? filemap_map_pages+0xd92/0x1a20
[  406.835839]  ? print_usage_bug+0xc0/0xc0
[  406.839900]  ? find_get_entries_tag+0x1400/0x1400
[  406.844734]  ? __kasan_slab_free+0x102/0x150
[  406.849138]  ? kasan_slab_free+0xe/0x10
[  406.853102]  ? kmem_cache_free+0x83/0x290
[  406.857333]  ? __sigqueue_free.part.29+0x74/0x90
[  406.862096]  ? lock_acquire+0x1ed/0x520
[  406.866064]  ? ext4_filemap_fault+0x7a/0xad
[  406.870382]  ? lock_release+0xa00/0xa00
[  406.874345]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.879789]  ? print_usage_bug+0xc0/0xc0
[  406.883843]  ? print_usage_bug+0xc0/0xc0
[  406.887917]  ? down_read+0x8d/0x120
[  406.891534]  ? ext4_filemap_fault+0x7a/0xad
[  406.895849]  ? __down_interruptible+0x700/0x700
[  406.900527]  ext4_filemap_fault+0x82/0xad
[  406.904667]  __do_fault+0x100/0x6b0
[  406.908291]  ? pmd_devmap_trans_unstable+0x220/0x220
[  406.913390]  ? mark_held_locks+0x130/0x130
[  406.917621]  ? mark_held_locks+0x130/0x130
[  406.921851]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  406.927394]  ? rcu_pm_notify+0xc0/0xc0
[  406.931283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.936820]  __handle_mm_fault+0x3ea0/0x5be0
[  406.941224]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  406.946072]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.950576]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.955148]  ? trace_hardirqs_on+0xbd/0x310
[  406.959462]  ? kasan_check_read+0x11/0x20
[  406.963605]  ? __set_current_blocked+0xdf/0x120
[  406.968266]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.973380]  ? zap_class+0x640/0x640
[  406.977089]  ? zap_class+0x640/0x640
[  406.980798]  ? find_held_lock+0x36/0x1c0
[  406.984866]  ? handle_mm_fault+0x42a/0xc70
[  406.989097]  ? lock_downgrade+0x900/0x900
[  406.993237]  ? check_preemption_disabled+0x48/0x280
[  406.998251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.003172]  ? kasan_check_read+0x11/0x20
[  407.007310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.012578]  ? rcu_softirq_qs+0x20/0x20
[  407.016546]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.021746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.027278]  ? check_preemption_disabled+0x48/0x280
[  407.032293]  handle_mm_fault+0x54f/0xc70
[  407.036346]  ? __handle_mm_fault+0x5be0/0x5be0
[  407.040928]  ? find_vma+0x34/0x190
[  407.044470]  __do_page_fault+0x5e8/0xe60
[  407.048539]  ? exit_to_usermode_loop+0x1f4/0x380
[  407.053294]  do_page_fault+0xf2/0x7e0
[  407.057085]  ? vmalloc_sync_all+0x30/0x30
[  407.061313]  ? error_entry+0x70/0xd0
[  407.065020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.070027]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.074947]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.079871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.084710]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.089714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.095155]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.100163]  ? page_fault+0x8/0x30
[  407.103695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.108533]  ? page_fault+0x8/0x30
[  407.112066]  page_fault+0x1e/0x30
[  407.115507] RIP: 0033:0x45db60
[  407.118708] Code: Bad RIP value.
[  407.122060] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  407.127418] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  407.134677] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  407.142023] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  407.149288] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  407.156546] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  407.163828] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  407.163832] warn_alloc_show_mem: 1 callbacks suppressed
[  407.163838] Mem-Info:
[  407.171107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.176469] active_anon:48041 inactive_anon:196 isolated_anon:0
[  407.176469]  active_file:13 inactive_file:15 isolated_file:0
[  407.176469]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.176469]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  407.176469]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  407.176469]  free:13795 free_pcp:455 free_cma:0
[  407.178839] Call Trace:
[  407.188216] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.221050]  <IRQ>
[  407.223615] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  407.251097]  dump_stack+0x244/0x39d
[  407.253218] lowmem_reserve[]: 0 2818 6321 6321
[  407.279314]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.282912] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  407.287500]  warn_alloc.cold.116+0xb7/0x1bd
[  407.292644] lowmem_reserve[]: 0 0 3503 3503
[  407.320395]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.324683] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  407.329037]  ? lock_downgrade+0x900/0x900
[  407.333854] lowmem_reserve[]: 0 0 0 0
[  407.362816]  ? trace_hardirqs_off+0xb8/0x310
[  407.366937] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  407.370732]  ? trace_hardirqs_off+0xb8/0x310
[  407.375101] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  407.388623]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.392996] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  407.409220]  ? warn_alloc+0x120/0x120
[  407.414021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.429174]  ? print_usage_bug+0xc0/0xc0
[  407.432952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.441767]  ? warn_alloc+0x120/0x120
[  407.445800] 272 total pagecache pages
[  407.454375]  ? warn_alloc+0x120/0x120
[  407.458148] 0 pages in swap cache
[  407.461927]  ? print_usage_bug+0xc0/0xc0
[  407.465703] Swap cache stats: add 0, delete 0, find 0/0
[  407.469136]  ? kvm_clock_read+0x18/0x30
[  407.473167] Free swap  = 0kB
[  407.478512]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.482456] Total swap = 0kB
[  407.485458]  ? print_usage_bug+0xc0/0xc0
[  407.490441] 1965979 pages RAM
[  407.493448]  ? __lock_acquire+0x62f/0x4c20
[  407.497477] 0 pages HighMem/MovableOnly
[  407.500568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.504773] 342853 pages reserved
[  407.508748]  ? should_fail+0x22d/0xd01
[  407.514252] 0 pages cma reserved
[  407.517692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.521598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.524902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.524915]  ? __lock_acquire+0x62f/0x4c20
[  407.524933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.530229] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.536675]  ? __lock_acquire+0x62f/0x4c20
[  407.541745] syz-fuzzer cpuset=/ mems_allowed=0
[  407.545961]  ? should_fail+0x22d/0xd01
[  407.573887]  ? rcu_irq_exit+0x1a2/0x390
[  407.577862]  ? mark_held_locks+0x130/0x130
[  407.582094]  ? mark_held_locks+0x130/0x130
[  407.586329]  ? mark_held_locks+0xc7/0x130
[  407.590472]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  407.595479]  ? zap_class+0x640/0x640
[  407.599187]  ? print_usage_bug+0xc0/0xc0
[  407.603246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.608789]  ? check_preemption_disabled+0x48/0x280
[  407.613820]  ? __lock_is_held+0xb5/0x140
[  407.617880]  __alloc_pages_nodemask+0xa80/0xde0
[  407.622550]  ? zap_class+0x640/0x640
[  407.626263]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.631280]  ? find_held_lock+0x36/0x1c0
[  407.635343]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.640013]  ? lock_downgrade+0x900/0x900
[  407.644158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.649693]  cache_grow_begin+0xa5/0x8c0
[  407.653751]  ? do_raw_spin_unlock+0xa7/0x330
[  407.658162]  fallback_alloc+0x204/0x2e0
[  407.662134]  ____cache_alloc_node+0x1c7/0x1e0
[  407.666626]  kmem_cache_alloc_node+0xe3/0x730
[  407.671118]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.675357]  __alloc_skb+0x119/0x770
[  407.679063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.684338]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.688742]  ? lock_downgrade+0x900/0x900
[  407.692895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.698427]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.703875]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.709316]  ? addrconf_rs_timer+0x690/0x690
[  407.713734]  ndisc_alloc_skb+0x144/0x340
[  407.717809]  ndisc_send_rs+0x331/0x6e0
[  407.721694]  addrconf_rs_timer+0x314/0x690
[  407.725923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.730160]  call_timer_fn+0x272/0x920
[  407.734040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.738271]  ? process_timeout+0x40/0x40
[  407.742348]  ? __run_timers+0x7da/0xc70
[  407.746317]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.750815]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.755299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.759532]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.764108]  ? trace_hardirqs_on+0xbd/0x310
[  407.768418]  ? kasan_check_read+0x11/0x20
[  407.772560]  ? __run_timers+0x7da/0xc70
[  407.776529]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.781632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.785864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.790089]  __run_timers+0x7e5/0xc70
[  407.793889]  ? timer_fixup_init+0x70/0x70
[  407.798035]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.803048]  ? zap_class+0x640/0x640
[  407.806757]  ? enqueue_hrtimer+0x1a5/0x560
[  407.810989]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.816177]  ? find_held_lock+0x36/0x1c0
[  407.820235]  ? zap_class+0x640/0x640
[  407.823950]  ? pvclock_read_flags+0x160/0x160
[  407.828442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.833971]  ? check_preemption_disabled+0x48/0x280
[  407.838988]  ? __lock_is_held+0xb5/0x140
[  407.843043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.848575]  ? check_preemption_disabled+0x48/0x280
[  407.853587]  run_timer_softirq+0x52/0xb0
[  407.857646]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.862657]  __do_softirq+0x308/0xb7e
[  407.866452]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.870940]  ? lock_downgrade+0x900/0x900
[  407.875086]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.880187]  ? pvclock_read_flags+0x160/0x160
[  407.884686]  ? lapic_next_event+0x5a/0x90
[  407.888828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.894365]  ? kvm_clock_read+0x18/0x30
[  407.898336]  ? kvm_sched_clock_read+0x9/0x20
[  407.902739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.908269]  ? check_preemption_disabled+0x48/0x280
[  407.913287]  irq_exit+0x17f/0x1c0
[  407.916748]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.921607]  ? smp_reschedule_interrupt+0x109/0x650
[  407.926616]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.932491]  ? interrupt_entry+0xb5/0xc0
[  407.936543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.941552]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.946562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.951401]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.956412]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.961429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.966271]  apic_timer_interrupt+0xf/0x20
[  407.970491]  </IRQ>
[  407.972718] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.977649] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  407.996541] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.004245] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.011506] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  408.018769] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  408.026041] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  408.033300] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  408.040596]  skb_clone+0x1bb/0x500
[  408.044134]  ? finish_task_switch+0x2f4/0x910
[  408.048623]  ? skb_split+0x11e0/0x11e0
[  408.052509]  ? preempt_notifier_register+0x200/0x200
[  408.057606]  ? __switch_to_asm+0x34/0x70
[  408.061657]  ? __switch_to_asm+0x34/0x70
[  408.065710]  ? __switch_to_asm+0x40/0x70
[  408.069761]  ? __switch_to_asm+0x34/0x70
[  408.073820]  ? __switch_to_asm+0x40/0x70
[  408.077871]  ? __switch_to_asm+0x34/0x70
[  408.081962]  ? __switch_to_asm+0x40/0x70
[  408.086013]  ? __switch_to_asm+0x34/0x70
[  408.090064]  ? __switch_to_asm+0x34/0x70
[  408.094113]  ? __switch_to_asm+0x40/0x70
[  408.098161]  ? __switch_to_asm+0x34/0x70
[  408.102220]  bpf_clone_redirect+0xb9/0x490
[  408.106447]  ? __schedule+0x8d7/0x21d0
[  408.110340]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  408.115351]  ? __sched_text_start+0x8/0x8
[  408.119495]  ? retint_kernel+0x2d/0x2d
[  408.123384]  ? find_held_lock+0x36/0x1c0
[  408.127444]  ? lock_acquire+0x1ed/0x520
[  408.131418]  ? bpf_test_run+0x3cb/0x780
[  408.135409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.140936]  ? check_preemption_disabled+0x48/0x280
[  408.145948]  ? kasan_check_read+0x11/0x20
[  408.150107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.155375]  ? rcu_softirq_qs+0x20/0x20
[  408.159346]  ? preempt_schedule+0x4d/0x60
[  408.163488]  ? ___preempt_schedule+0x16/0x18
[  408.167894]  ? bpf_test_run+0x25d/0x780
[  408.171876]  ? netlink_diag_dump+0x2a0/0x2a0
[  408.176368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.181896]  ? bpf_test_init.isra.10+0x70/0x100
[  408.186561]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  408.191325]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.196157]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  408.201999]  ? fput+0x130/0x1a0
[  408.205272]  ? __bpf_prog_get+0x9b/0x290
[  408.209338]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.214170]  ? bpf_prog_test_run+0x130/0x1a0
[  408.218576]  ? __x64_sys_bpf+0x3d8/0x520
[  408.222626]  ? bpf_prog_get+0x20/0x20
[  408.226438]  ? do_syscall_64+0x1b9/0x820
[  408.230491]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  408.235849]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.240778]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.245791]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  408.250806]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  408.257460]  ? __switch_to_asm+0x40/0x70
[  408.261512]  ? __switch_to_asm+0x34/0x70
[  408.265569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.270409]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  408.275790] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  408.275849] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.282712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.282719] Call Trace:
[  408.289260] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.298518]  <IRQ>
[  408.301094] syz-executor4 cpuset=syz4 mems_allowed=0
[  408.311564]  dump_stack+0x244/0x39d
[  408.322391]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.327594]  warn_alloc.cold.116+0xb7/0x1bd
[  408.331908]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.336756]  ? lock_downgrade+0x900/0x900
[  408.340908]  ? trace_hardirqs_off+0xb8/0x310
[  408.345313]  ? trace_hardirqs_off+0xb8/0x310
[  408.349721]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.354582]  ? warn_alloc+0x120/0x120
[  408.358380]  ? print_usage_bug+0xc0/0xc0
[  408.363320]  ? warn_alloc+0x120/0x120
[  408.367251]  ? warn_alloc+0x120/0x120
[  408.371047]  ? print_usage_bug+0xc0/0xc0
[  408.375106]  ? print_usage_bug+0xc0/0xc0
[  408.379161]  ? __lock_acquire+0x62f/0x4c20
[  408.383394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.388919]  ? should_fail+0x22d/0xd01
[  408.392808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.397906]  ? __lock_acquire+0x62f/0x4c20
[  408.402137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.407232]  ? __lock_acquire+0x62f/0x4c20
[  408.411459]  ? should_fail+0x22d/0xd01
[  408.415339]  ? find_held_lock+0x36/0x1c0
[  408.419397]  ? mark_held_locks+0x130/0x130
[  408.423627]  ? mark_held_locks+0x130/0x130
[  408.427852]  ? zap_class+0x640/0x640
[  408.431557]  ? zap_class+0x640/0x640
[  408.435267]  ? print_usage_bug+0xc0/0xc0
[  408.439318]  ? do_raw_spin_unlock+0xa7/0x330
[  408.443717]  ? zap_class+0x640/0x640
[  408.447432]  ? print_usage_bug+0xc0/0xc0
[  408.451484]  ? wq_watchdog_touch+0x9c/0xfe
[  408.455716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.461252]  ? check_preemption_disabled+0x48/0x280
[  408.466266]  ? __lock_is_held+0xb5/0x140
[  408.470329]  __alloc_pages_nodemask+0xa80/0xde0
[  408.474990]  ? zap_class+0x640/0x640
[  408.478703]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.483725]  ? find_held_lock+0x36/0x1c0
[  408.487801]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.492467]  ? lock_downgrade+0x900/0x900
[  408.496618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.502153]  cache_grow_begin+0xa5/0x8c0
[  408.506206]  ? do_raw_spin_unlock+0xa7/0x330
[  408.510628]  fallback_alloc+0x204/0x2e0
[  408.514601]  ____cache_alloc_node+0x1c7/0x1e0
[  408.519091]  kmem_cache_alloc_node+0xe3/0x730
[  408.523579]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.527813]  __alloc_skb+0x119/0x770
[  408.531517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.536794]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.541199]  ? lock_downgrade+0x900/0x900
[  408.545347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.550878]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.556324]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.561764]  ? addrconf_rs_timer+0x690/0x690
[  408.566184]  ndisc_alloc_skb+0x144/0x340
[  408.570243]  ndisc_send_rs+0x331/0x6e0
[  408.574134]  addrconf_rs_timer+0x314/0x690
[  408.578370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.582610]  call_timer_fn+0x272/0x920
[  408.586490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.590720]  ? process_timeout+0x40/0x40
[  408.594792]  ? mark_held_locks+0xc7/0x130
[  408.598936]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.603422]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.607910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.612135]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.616713]  ? trace_hardirqs_on+0xbd/0x310
[  408.621032]  ? kasan_check_read+0x11/0x20
[  408.625172]  ? __run_timers+0x7da/0xc70
[  408.629138]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.634258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.638488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.642716]  __run_timers+0x7e5/0xc70
[  408.646526]  ? timer_fixup_init+0x70/0x70
[  408.650666]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.655674]  ? zap_class+0x640/0x640
[  408.659398]  ? print_usage_bug+0xc0/0xc0
[  408.663452]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.668640]  ? find_held_lock+0x36/0x1c0
[  408.672697]  ? zap_class+0x640/0x640
[  408.676416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.681948]  ? check_preemption_disabled+0x48/0x280
[  408.686979]  ? __lock_is_held+0xb5/0x140
[  408.691035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.696568]  ? check_preemption_disabled+0x48/0x280
[  408.701581]  run_timer_softirq+0x52/0xb0
[  408.705638]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.710647]  __do_softirq+0x308/0xb7e
[  408.714442]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.718930]  ? lock_downgrade+0x900/0x900
[  408.723070]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.728170]  ? pvclock_read_flags+0x160/0x160
[  408.732666]  ? lapic_next_event+0x5a/0x90
[  408.736801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.742334]  ? kvm_clock_read+0x18/0x30
[  408.746301]  ? kvm_sched_clock_read+0x9/0x20
[  408.750705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.756239]  ? check_preemption_disabled+0x48/0x280
[  408.761257]  irq_exit+0x17f/0x1c0
[  408.764705]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.769572]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.775465]  ? interrupt_entry+0xb5/0xc0
[  408.779519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.784526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.789536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.794374]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.799380]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.804387]  ? task_prio+0x50/0x50
[  408.807925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.813455]  ? check_preemption_disabled+0x48/0x280
[  408.818465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.823308]  apic_timer_interrupt+0xf/0x20
[  408.827539]  </IRQ>
[  408.829791] RIP: 0010:console_unlock+0x102f/0x1190
[  408.834721] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  408.853629] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  408.861330] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  408.868593] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  408.875856] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  408.883112] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  408.890371] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  408.897638]  ? netconsole_netdev_event+0x280/0x280
[  408.902565]  ? console_unlock+0x1026/0x1190
[  408.906909]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  408.911570]  ? vprintk_emit+0x846/0x990
[  408.915538]  ? lock_release+0xa00/0xa00
[  408.919506]  ? trace_hardirqs_on+0x60/0x310
[  408.923821]  ? vprintk_default+0x28/0x30
[  408.927883]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.932992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.938527]  vprintk_emit+0x391/0x990
[  408.942328]  ? wake_up_klogd+0x180/0x180
[  408.946400]  ? find_held_lock+0x1/0x1c0
[  408.950374]  ? mark_held_locks+0xc7/0x130
[  408.954515]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.959003]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.963496]  vprintk_default+0x28/0x30
[  408.967373]  vprintk_func+0x7e/0x181
[  408.971081]  printk+0xa7/0xcf
[  408.974203]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  408.978950]  ? _raw_spin_unlock_irq+0x60/0x80
[  408.983447]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  408.988729]  dump_header+0x7cc/0xf72
[  408.992444]  ? pagefault_out_of_memory+0x197/0x197
[  408.997369]  ? __lock_acquire+0x62f/0x4c20
[  409.001595]  ? percpu_ref_get_many+0x240/0x240
[  409.006172]  ? print_usage_bug+0xc0/0xc0
[  409.010232]  ? zap_class+0x640/0x640
[  409.013940]  ? print_usage_bug+0xc0/0xc0
[  409.017994]  ? zap_class+0x640/0x640
[  409.021713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.027256]  ? find_held_lock+0x36/0x1c0
[  409.031315]  ? mark_held_locks+0xc7/0x130
[  409.035458]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.040551]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.045648]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.050225]  ? trace_hardirqs_on+0xbd/0x310
[  409.054540]  ? kasan_check_read+0x11/0x20
[  409.058681]  ? ___ratelimit+0x3b4/0x672
[  409.062654]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.067753]  ? trace_hardirqs_on+0x310/0x310
[  409.072149]  ? lock_downgrade+0x900/0x900
[  409.076295]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.081393]  ? ___ratelimit+0x3b9/0x672
[  409.085364]  ? idr_get_free+0xf70/0xf70
[  409.089328]  ? find_held_lock+0x36/0x1c0
[  409.093385]  oom_kill_process.cold.27+0x10/0x903
[  409.098129]  ? zap_class+0x640/0x640
[  409.101837]  ? check_preemption_disabled+0x48/0x280
[  409.106843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.111760]  ? kasan_check_read+0x11/0x20
[  409.115903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.121170]  ? oom_evaluate_task+0x540/0x540
[  409.125605]  ? find_held_lock+0x36/0x1c0
[  409.129665]  ? out_of_memory+0x974/0x1430
[  409.133815]  ? lock_downgrade+0x900/0x900
[  409.137956]  ? check_preemption_disabled+0x48/0x280
[  409.142967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.147889]  ? kasan_check_read+0x11/0x20
[  409.152033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.157306]  ? rcu_softirq_qs+0x20/0x20
[  409.161279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.166807]  ? oom_evaluate_task+0x302/0x540
[  409.171211]  out_of_memory+0xa84/0x1430
[  409.175185]  ? oom_killer_disable+0x3a0/0x3a0
[  409.179672]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  409.184602]  ? __ww_mutex_check_waiters+0x160/0x160
[  409.189622]  __alloc_pages_slowpath+0x2354/0x2e10
[  409.194483]  ? warn_alloc+0x120/0x120
[  409.198695]  ? mark_held_locks+0x130/0x130
[  409.202938]  ? find_get_entry+0xaae/0x1120
[  409.207173]  ? filemap_map_pages+0x1a20/0x1a20
[  409.211755]  ? zap_class+0x640/0x640
[  409.215467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.221012]  ? check_preemption_disabled+0x48/0x280
[  409.226022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.231569]  ? should_fail+0x22d/0xd01
[  409.235455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.240554]  ? zap_class+0x640/0x640
[  409.244280]  ? __lock_is_held+0xb5/0x140
[  409.248337]  ? mark_held_locks+0x130/0x130
[  409.252567]  ? lock_release+0xa00/0xa00
[  409.256548]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.261994]  ? xa_load+0x2ba/0x460
[  409.265528]  ? lock_downgrade+0x900/0x900
[  409.269678]  ? __might_sleep+0x95/0x190
[  409.273650]  __alloc_pages_nodemask+0xa80/0xde0
[  409.278327]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.283337]  ? __page_cache_alloc+0x191/0x5c0
[  409.287821]  ? xa_load+0x2e1/0x460
[  409.291354]  ? xa_clear_mark+0x40/0x40
[  409.295241]  ? zap_class+0x640/0x640
[  409.298954]  ? zap_class+0x640/0x640
[  409.302680]  ? zap_class+0x640/0x640
[  409.306612]  ? __do_page_cache_readahead+0x663/0x810
[  409.311711]  ? find_held_lock+0x36/0x1c0
[  409.315772]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  409.321309]  alloc_pages_current+0x173/0x350
[  409.325739]  __page_cache_alloc+0x38c/0x5c0
[  409.330051]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.334971]  ? kasan_check_read+0x11/0x20
[  409.339111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.344381]  ? generic_perform_write+0x6a0/0x6a0
[  409.349238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.354773]  ? check_preemption_disabled+0x48/0x280
[  409.359790]  filemap_fault+0x1595/0x25f0
[  409.363852]  ? __lock_page_or_retry+0xa00/0xa00
[  409.368516]  ? mark_held_locks+0x130/0x130
[  409.372752]  ? filemap_map_pages+0xd6b/0x1a20
[  409.377245]  ? lock_downgrade+0x900/0x900
[  409.381385]  ? check_preemption_disabled+0x48/0x280
[  409.386395]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.391317]  ? kasan_check_read+0x11/0x20
[  409.395454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.400722]  ? rcu_softirq_qs+0x20/0x20
[  409.404703]  ? filemap_map_pages+0xd92/0x1a20
[  409.409199]  ? print_usage_bug+0xc0/0xc0
[  409.413262]  ? find_get_entries_tag+0x1400/0x1400
[  409.418092]  ? __kasan_slab_free+0x102/0x150
[  409.422490]  ? kasan_slab_free+0xe/0x10
[  409.426455]  ? kmem_cache_free+0x83/0x290
[  409.430606]  ? __sigqueue_free.part.29+0x74/0x90
[  409.435371]  ? lock_acquire+0x1ed/0x520
[  409.439335]  ? ext4_filemap_fault+0x7a/0xad
[  409.443653]  ? lock_release+0xa00/0xa00
[  409.447630]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.453081]  ? print_usage_bug+0xc0/0xc0
[  409.457140]  ? print_usage_bug+0xc0/0xc0
[  409.461201]  ? down_read+0x8d/0x120
[  409.464818]  ? ext4_filemap_fault+0x7a/0xad
[  409.469133]  ? __down_interruptible+0x700/0x700
[  409.473800]  ext4_filemap_fault+0x82/0xad
[  409.477941]  __do_fault+0x100/0x6b0
[  409.481564]  ? pmd_devmap_trans_unstable+0x220/0x220
[  409.486671]  ? mark_held_locks+0x130/0x130
[  409.490916]  ? mark_held_locks+0x130/0x130
[  409.495143]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.500684]  ? rcu_pm_notify+0xc0/0xc0
[  409.504573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.510110]  __handle_mm_fault+0x3ea0/0x5be0
[  409.514513]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  409.519345]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.523831]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.528419]  ? trace_hardirqs_on+0xbd/0x310
[  409.532734]  ? kasan_check_read+0x11/0x20
[  409.536877]  ? __set_current_blocked+0xdf/0x120
[  409.541556]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.546666]  ? zap_class+0x640/0x640
[  409.550376]  ? zap_class+0x640/0x640
[  409.554173]  ? find_held_lock+0x36/0x1c0
[  409.558236]  ? handle_mm_fault+0x42a/0xc70
[  409.562478]  ? lock_downgrade+0x900/0x900
[  409.566635]  ? check_preemption_disabled+0x48/0x280
[  409.571659]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.576578]  ? kasan_check_read+0x11/0x20
[  409.580718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.585985]  ? rcu_softirq_qs+0x20/0x20
[  409.589952]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.595043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.600571]  ? check_preemption_disabled+0x48/0x280
[  409.605591]  handle_mm_fault+0x54f/0xc70
[  409.609654]  ? __handle_mm_fault+0x5be0/0x5be0
[  409.614247]  ? find_vma+0x34/0x190
[  409.617790]  __do_page_fault+0x5e8/0xe60
[  409.621846]  ? exit_to_usermode_loop+0x1f4/0x380
[  409.626601]  do_page_fault+0xf2/0x7e0
[  409.630392]  ? vmalloc_sync_all+0x30/0x30
[  409.634534]  ? error_entry+0x70/0xd0
[  409.638244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.643251]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.648180]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.653105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.657942]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.662952]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.668398]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.673406]  ? page_fault+0x8/0x30
[  409.676942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.681775]  ? page_fault+0x8/0x30
[  409.685309]  page_fault+0x1e/0x30
[  409.688752] RIP: 0033:0x45db60
[  409.691952] Code: Bad RIP value.
[  409.695304] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  409.700661] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  409.708021] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  409.715278] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  409.722539] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  409.729806] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  409.737116] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  409.737120] warn_alloc_show_mem: 1 callbacks suppressed
[  409.737126] Mem-Info:
[  409.744385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.744392] Call Trace:
[  409.749752] active_anon:48041 inactive_anon:196 isolated_anon:0
[  409.749752]  active_file:13 inactive_file:15 isolated_file:0
[  409.749752]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.749752]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  409.749752]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  409.749752]  free:13795 free_pcp:455 free_cma:0
[  409.752128]  <IRQ>
[  409.761485] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.764056]  dump_stack+0x244/0x39d
[  409.796922] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  409.799063]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.826440] lowmem_reserve[]: 0 2818 6321 6321
[  409.830080]  warn_alloc.cold.116+0xb7/0x1bd
[  409.856147] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  409.861333]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.865881] lowmem_reserve[]: 0 0 3503 3503
[  409.870196]  ? lock_downgrade+0x900/0x900
[  409.897921] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  409.902757]  ? trace_hardirqs_off+0xb8/0x310
[  409.907040] lowmem_reserve[]: 0 0 0 0
[  409.911192]  ? trace_hardirqs_off+0xb8/0x310
[  409.940122] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  409.944522]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.948289] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  409.952720]  ? warn_alloc+0x120/0x120
[  409.966190] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  409.971019]  ? print_usage_bug+0xc0/0xc0
[  409.987204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.990982]  ? warn_alloc+0x120/0x120
[  410.006387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.010601]  ? warn_alloc+0x120/0x120
[  410.019414] 272 total pagecache pages
[  410.023201]  ? print_usage_bug+0xc0/0xc0
[  410.031756] 0 pages in swap cache
[  410.035532]  ? kvm_clock_read+0x18/0x30
[  410.039306] Swap cache stats: add 0, delete 0, find 0/0
[  410.043350]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  410.046771] Free swap  = 0kB
[  410.050728]  ? print_usage_bug+0xc0/0xc0
[  410.056059] Total swap = 0kB
[  410.056066] 1965979 pages RAM
[  410.061073]  ? __lock_acquire+0x62f/0x4c20
[  410.064058] 0 pages HighMem/MovableOnly
[  410.064066] 342853 pages reserved
[  410.068114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.071098] 0 pages cma reserved
[  410.071159] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.074193]  ? should_fail+0x22d/0xd01
[  410.074206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.074224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.078479] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.082392]  ? __lock_acquire+0x62f/0x4c20
[  410.085819] syz-fuzzer cpuset=/ mems_allowed=0
[  410.091345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.139513]  ? __lock_acquire+0x62f/0x4c20
[  410.143742]  ? should_fail+0x22d/0xd01
[  410.147629]  ? rcu_irq_exit+0x1a2/0x390
[  410.151631]  ? mark_held_locks+0x130/0x130
[  410.155889]  ? mark_held_locks+0x130/0x130
[  410.160120]  ? mark_held_locks+0xc7/0x130
[  410.164352]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  410.169361]  ? zap_class+0x640/0x640
[  410.173072]  ? print_usage_bug+0xc0/0xc0
[  410.177222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.182757]  ? check_preemption_disabled+0x48/0x280
[  410.187775]  ? __lock_is_held+0xb5/0x140
[  410.191835]  __alloc_pages_nodemask+0xa80/0xde0
[  410.196498]  ? zap_class+0x640/0x640
[  410.200477]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.205499]  ? find_held_lock+0x36/0x1c0
[  410.209562]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.214224]  ? lock_downgrade+0x900/0x900
[  410.218368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.223903]  cache_grow_begin+0xa5/0x8c0
[  410.227957]  ? do_raw_spin_unlock+0xa7/0x330
[  410.232365]  fallback_alloc+0x204/0x2e0
[  410.236340]  ____cache_alloc_node+0x1c7/0x1e0
[  410.240833]  kmem_cache_alloc_node+0xe3/0x730
[  410.245326]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.249564]  __alloc_skb+0x119/0x770
[  410.253292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.258564]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.262987]  ? lock_downgrade+0x900/0x900
[  410.267151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.272680]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.278129]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.283586]  ? addrconf_rs_timer+0x690/0x690
[  410.288002]  ndisc_alloc_skb+0x144/0x340
[  410.292064]  ndisc_send_rs+0x331/0x6e0
[  410.295951]  addrconf_rs_timer+0x314/0x690
[  410.300186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.304420]  call_timer_fn+0x272/0x920
[  410.308297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.312524]  ? process_timeout+0x40/0x40
[  410.316765]  ? __run_timers+0x7da/0xc70
[  410.320732]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.325220]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.329704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.333935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.338512]  ? trace_hardirqs_on+0xbd/0x310
[  410.342825]  ? kasan_check_read+0x11/0x20
[  410.347075]  ? __run_timers+0x7da/0xc70
[  410.351046]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.356150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.360383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.364611]  __run_timers+0x7e5/0xc70
[  410.368922]  ? timer_fixup_init+0x70/0x70
[  410.373070]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.378090]  ? zap_class+0x640/0x640
[  410.381800]  ? enqueue_hrtimer+0x1a5/0x560
[  410.386031]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.391218]  ? find_held_lock+0x36/0x1c0
[  410.395378]  ? zap_class+0x640/0x640
[  410.399086]  ? pvclock_read_flags+0x160/0x160
[  410.403576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.409120]  ? check_preemption_disabled+0x48/0x280
[  410.414167]  ? __lock_is_held+0xb5/0x140
[  410.418226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.423756]  ? check_preemption_disabled+0x48/0x280
[  410.428771]  run_timer_softirq+0x52/0xb0
[  410.432827]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.437839]  __do_softirq+0x308/0xb7e
[  410.441634]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.446130]  ? lock_downgrade+0x900/0x900
[  410.450275]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.455377]  ? pvclock_read_flags+0x160/0x160
[  410.459867]  ? lapic_next_event+0x5a/0x90
[  410.464007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.469540]  ? kvm_clock_read+0x18/0x30
[  410.473511]  ? kvm_sched_clock_read+0x9/0x20
[  410.477917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.483461]  ? check_preemption_disabled+0x48/0x280
[  410.488477]  irq_exit+0x17f/0x1c0
[  410.491924]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.496758]  ? smp_reschedule_interrupt+0x109/0x650
[  410.501767]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.507646]  ? interrupt_entry+0xb5/0xc0
[  410.511701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.516711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.521720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.526559]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.531583]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.536607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.541450]  apic_timer_interrupt+0xf/0x20
[  410.545674]  </IRQ>
[  410.547907] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.552829] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  410.571720] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.579419] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.586679] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  410.593943] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  410.601205] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  410.608465] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  410.615942]  skb_clone+0x1bb/0x500
[  410.619480]  ? finish_task_switch+0x2f4/0x910
[  410.623967]  ? skb_split+0x11e0/0x11e0
[  410.627848]  ? preempt_notifier_register+0x200/0x200
[  410.632942]  ? __switch_to_asm+0x34/0x70
[  410.636994]  ? __switch_to_asm+0x34/0x70
[  410.641044]  ? __switch_to_asm+0x40/0x70
[  410.645115]  ? __switch_to_asm+0x34/0x70
[  410.649168]  ? __switch_to_asm+0x40/0x70
[  410.653235]  ? __switch_to_asm+0x34/0x70
[  410.657287]  ? __switch_to_asm+0x40/0x70
[  410.661339]  ? __switch_to_asm+0x34/0x70
[  410.665392]  ? __switch_to_asm+0x34/0x70
[  410.669442]  ? __switch_to_asm+0x40/0x70
[  410.673497]  ? __switch_to_asm+0x34/0x70
[  410.677555]  bpf_clone_redirect+0xb9/0x490
[  410.681795]  ? __schedule+0x8d7/0x21d0
[  410.685684]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  410.690812]  ? __sched_text_start+0x8/0x8
[  410.694951]  ? retint_kernel+0x2d/0x2d
[  410.698842]  ? find_held_lock+0x36/0x1c0
[  410.702906]  ? lock_acquire+0x1ed/0x520
[  410.706873]  ? bpf_test_run+0x3cb/0x780
[  410.710855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.716387]  ? check_preemption_disabled+0x48/0x280
[  410.721403]  ? kasan_check_read+0x11/0x20
[  410.725540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.730816]  ? rcu_softirq_qs+0x20/0x20
[  410.734784]  ? preempt_schedule+0x4d/0x60
[  410.738923]  ? ___preempt_schedule+0x16/0x18
[  410.743330]  ? bpf_test_run+0x25d/0x780
[  410.747305]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.751709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.757235]  ? bpf_test_init.isra.10+0x70/0x100
[  410.761903]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  410.766658]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.771490]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.777017]  ? fput+0x130/0x1a0
[  410.780289]  ? __bpf_prog_get+0x9b/0x290
[  410.784348]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.789184]  ? bpf_prog_test_run+0x130/0x1a0
[  410.793587]  ? __x64_sys_bpf+0x3d8/0x520
[  410.797643]  ? bpf_prog_get+0x20/0x20
[  410.801458]  ? do_syscall_64+0x1b9/0x820
[  410.805511]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.810873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.815797]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.820812]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.825822]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  410.832478]  ? __switch_to_asm+0x40/0x70
[  410.836532]  ? __switch_to_asm+0x34/0x70
[  410.840601]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.845443]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.850824] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  410.850886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.857741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.857746] Call Trace:
[  410.857751]  <IRQ>
[  410.857767]  dump_stack+0x244/0x39d
[  410.857785]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.864322] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.873604]  warn_alloc.cold.116+0xb7/0x1bd
[  410.876151] syz-executor4 cpuset=syz4 mems_allowed=0
[  410.878290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.911733]  ? lock_downgrade+0x900/0x900
[  410.915877]  ? trace_hardirqs_off+0xb8/0x310
[  410.920282]  ? trace_hardirqs_off+0xb8/0x310
[  410.924690]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.929561]  ? warn_alloc+0x120/0x120
[  410.933359]  ? print_usage_bug+0xc0/0xc0
[  410.937417]  ? warn_alloc+0x120/0x120
[  410.941216]  ? warn_alloc+0x120/0x120
[  410.945030]  ? print_usage_bug+0xc0/0xc0
[  410.949090]  ? print_usage_bug+0xc0/0xc0
[  410.953143]  ? __lock_acquire+0x62f/0x4c20
[  410.957395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.962936]  ? should_fail+0x22d/0xd01
[  410.966843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.971938]  ? __lock_acquire+0x62f/0x4c20
[  410.976173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.981265]  ? __lock_acquire+0x62f/0x4c20
[  410.985496]  ? should_fail+0x22d/0xd01
[  410.989374]  ? find_held_lock+0x36/0x1c0
[  410.993445]  ? mark_held_locks+0x130/0x130
[  410.997675]  ? mark_held_locks+0x130/0x130
[  411.001900]  ? zap_class+0x640/0x640
[  411.005610]  ? zap_class+0x640/0x640
[  411.009324]  ? print_usage_bug+0xc0/0xc0
[  411.013375]  ? do_raw_spin_unlock+0xa7/0x330
[  411.017773]  ? zap_class+0x640/0x640
[  411.021481]  ? print_usage_bug+0xc0/0xc0
[  411.025542]  ? wq_watchdog_touch+0x9c/0xfe
[  411.029775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.035303]  ? check_preemption_disabled+0x48/0x280
[  411.040318]  ? __lock_is_held+0xb5/0x140
[  411.044375]  __alloc_pages_nodemask+0xa80/0xde0
[  411.049123]  ? zap_class+0x640/0x640
[  411.052834]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.057858]  ? find_held_lock+0x36/0x1c0
[  411.061919]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.066586]  ? lock_downgrade+0x900/0x900
[  411.070732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.076270]  cache_grow_begin+0xa5/0x8c0
[  411.080332]  ? do_raw_spin_unlock+0xa7/0x330
[  411.084739]  fallback_alloc+0x204/0x2e0
[  411.088736]  ____cache_alloc_node+0x1c7/0x1e0
[  411.093232]  kmem_cache_alloc_node+0xe3/0x730
[  411.097720]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.101956]  __alloc_skb+0x119/0x770
[  411.105659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.110931]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.115331]  ? lock_downgrade+0x900/0x900
[  411.119475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.125003]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.130449]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.135895]  ? addrconf_rs_timer+0x690/0x690
[  411.140305]  ndisc_alloc_skb+0x144/0x340
[  411.144364]  ndisc_send_rs+0x331/0x6e0
[  411.148252]  addrconf_rs_timer+0x314/0x690
[  411.152485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.156718]  call_timer_fn+0x272/0x920
[  411.160600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.164829]  ? process_timeout+0x40/0x40
[  411.168895]  ? mark_held_locks+0xc7/0x130
[  411.173040]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.177530]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.182014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.186244]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.190820]  ? trace_hardirqs_on+0xbd/0x310
[  411.195134]  ? kasan_check_read+0x11/0x20
[  411.199271]  ? __run_timers+0x7da/0xc70
[  411.203242]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.208343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.212580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.216805]  __run_timers+0x7e5/0xc70
[  411.220608]  ? timer_fixup_init+0x70/0x70
[  411.224747]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.229778]  ? zap_class+0x640/0x640
[  411.233491]  ? print_usage_bug+0xc0/0xc0
[  411.237575]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.242768]  ? find_held_lock+0x36/0x1c0
[  411.246826]  ? zap_class+0x640/0x640
[  411.250545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.256080]  ? check_preemption_disabled+0x48/0x280
[  411.261102]  ? __lock_is_held+0xb5/0x140
[  411.265162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.270698]  ? check_preemption_disabled+0x48/0x280
[  411.275713]  run_timer_softirq+0x52/0xb0
[  411.279771]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.284784]  __do_softirq+0x308/0xb7e
[  411.288585]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.293076]  ? lock_downgrade+0x900/0x900
[  411.297220]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.302320]  ? pvclock_read_flags+0x160/0x160
[  411.306813]  ? lapic_next_event+0x5a/0x90
[  411.310958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.316497]  ? kvm_clock_read+0x18/0x30
[  411.320475]  ? kvm_sched_clock_read+0x9/0x20
[  411.324887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.330420]  ? check_preemption_disabled+0x48/0x280
[  411.335437]  irq_exit+0x17f/0x1c0
[  411.338887]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.343725]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.349601]  ? interrupt_entry+0xb5/0xc0
[  411.353661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.358670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.363688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.368534]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.373543]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.378563]  ? task_prio+0x50/0x50
[  411.382095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.387625]  ? check_preemption_disabled+0x48/0x280
[  411.392642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.397483]  apic_timer_interrupt+0xf/0x20
[  411.401710]  </IRQ>
[  411.403939] RIP: 0010:console_unlock+0x102f/0x1190
[  411.408863] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  411.427751] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  411.435450] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  411.442707] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  411.449968] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  411.457226] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  411.464487] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  411.471761]  ? netconsole_netdev_event+0x280/0x280
[  411.476685]  ? console_unlock+0x1026/0x1190
[  411.481014]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  411.485684]  ? vprintk_emit+0x846/0x990
[  411.489665]  ? lock_release+0xa00/0xa00
[  411.493632]  ? trace_hardirqs_on+0x60/0x310
[  411.497961]  ? vprintk_default+0x28/0x30
[  411.502018]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.507113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.512646]  vprintk_emit+0x391/0x990
[  411.516444]  ? wake_up_klogd+0x180/0x180
[  411.520511]  ? find_held_lock+0x1/0x1c0
[  411.524494]  ? mark_held_locks+0xc7/0x130
[  411.528635]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.533124]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.537617]  vprintk_default+0x28/0x30
[  411.541504]  vprintk_func+0x7e/0x181
[  411.545215]  printk+0xa7/0xcf
[  411.548317]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  411.553066]  ? _raw_spin_unlock_irq+0x60/0x80
[  411.557567]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  411.562847]  dump_header+0x7cc/0xf72
[  411.566569]  ? pagefault_out_of_memory+0x197/0x197
[  411.571503]  ? __lock_acquire+0x62f/0x4c20
[  411.575736]  ? percpu_ref_get_many+0x240/0x240
[  411.580312]  ? print_usage_bug+0xc0/0xc0
[  411.584368]  ? zap_class+0x640/0x640
[  411.588082]  ? print_usage_bug+0xc0/0xc0
[  411.592141]  ? zap_class+0x640/0x640
[  411.595850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.601385]  ? find_held_lock+0x36/0x1c0
[  411.605448]  ? mark_held_locks+0xc7/0x130
[  411.609594]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.614689]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.619790]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.624367]  ? trace_hardirqs_on+0xbd/0x310
[  411.628682]  ? kasan_check_read+0x11/0x20
[  411.632823]  ? ___ratelimit+0x3b4/0x672
[  411.636790]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.641902]  ? trace_hardirqs_on+0x310/0x310
[  411.646304]  ? lock_downgrade+0x900/0x900
[  411.650452]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.655554]  ? ___ratelimit+0x3b9/0x672
[  411.659531]  ? idr_get_free+0xf70/0xf70
[  411.663507]  ? find_held_lock+0x36/0x1c0
[  411.667570]  oom_kill_process.cold.27+0x10/0x903
[  411.672317]  ? zap_class+0x640/0x640
[  411.676025]  ? check_preemption_disabled+0x48/0x280
[  411.681038]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.685962]  ? kasan_check_read+0x11/0x20
[  411.690102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.695371]  ? oom_evaluate_task+0x540/0x540
[  411.699777]  ? find_held_lock+0x36/0x1c0
[  411.703840]  ? out_of_memory+0x974/0x1430
[  411.707983]  ? lock_downgrade+0x900/0x900
[  411.712123]  ? check_preemption_disabled+0x48/0x280
[  411.717134]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.722057]  ? kasan_check_read+0x11/0x20
[  411.726202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.731467]  ? rcu_softirq_qs+0x20/0x20
[  411.735441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.740976]  ? oom_evaluate_task+0x302/0x540
[  411.745380]  out_of_memory+0xa84/0x1430
[  411.749353]  ? oom_killer_disable+0x3a0/0x3a0
[  411.753843]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  411.758764]  ? __ww_mutex_check_waiters+0x160/0x160
[  411.763781]  __alloc_pages_slowpath+0x2354/0x2e10
[  411.768639]  ? warn_alloc+0x120/0x120
[  411.772433]  ? mark_held_locks+0x130/0x130
[  411.776663]  ? find_get_entry+0xaae/0x1120
[  411.781002]  ? filemap_map_pages+0x1a20/0x1a20
[  411.785579]  ? zap_class+0x640/0x640
[  411.789290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.794820]  ? check_preemption_disabled+0x48/0x280
[  411.799826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.805351]  ? should_fail+0x22d/0xd01
[  411.809236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.814333]  ? zap_class+0x640/0x640
[  411.818062]  ? __lock_is_held+0xb5/0x140
[  411.822122]  ? mark_held_locks+0x130/0x130
[  411.826350]  ? lock_release+0xa00/0xa00
[  411.830315]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.835763]  ? xa_load+0x2ba/0x460
[  411.839300]  ? lock_downgrade+0x900/0x900
[  411.843442]  ? __might_sleep+0x95/0x190
[  411.847442]  __alloc_pages_nodemask+0xa80/0xde0
[  411.852114]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.857123]  ? __page_cache_alloc+0x191/0x5c0
[  411.861612]  ? xa_load+0x2e1/0x460
[  411.865146]  ? xa_clear_mark+0x40/0x40
[  411.869028]  ? zap_class+0x640/0x640
[  411.872745]  ? zap_class+0x640/0x640
[  411.876452]  ? zap_class+0x640/0x640
[  411.880168]  ? __do_page_cache_readahead+0x663/0x810
[  411.885267]  ? find_held_lock+0x36/0x1c0
[  411.889326]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  411.894862]  alloc_pages_current+0x173/0x350
[  411.899271]  __page_cache_alloc+0x38c/0x5c0
[  411.903582]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.908520]  ? kasan_check_read+0x11/0x20
[  411.912748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.918020]  ? generic_perform_write+0x6a0/0x6a0
[  411.922768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.928296]  ? check_preemption_disabled+0x48/0x280
[  411.933313]  filemap_fault+0x1595/0x25f0
[  411.937379]  ? __lock_page_or_retry+0xa00/0xa00
[  411.942043]  ? mark_held_locks+0x130/0x130
[  411.946278]  ? filemap_map_pages+0xd6b/0x1a20
[  411.950766]  ? lock_downgrade+0x900/0x900
[  411.954901]  ? check_preemption_disabled+0x48/0x280
[  411.959910]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.964830]  ? kasan_check_read+0x11/0x20
[  411.968971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.974241]  ? rcu_softirq_qs+0x20/0x20
[  411.978222]  ? filemap_map_pages+0xd92/0x1a20
[  411.982716]  ? print_usage_bug+0xc0/0xc0
[  411.986773]  ? find_get_entries_tag+0x1400/0x1400
[  411.991606]  ? __kasan_slab_free+0x102/0x150
[  411.996005]  ? kasan_slab_free+0xe/0x10
[  411.999970]  ? kmem_cache_free+0x83/0x290
[  412.004126]  ? __sigqueue_free.part.29+0x74/0x90
[  412.008885]  ? lock_acquire+0x1ed/0x520
[  412.012960]  ? ext4_filemap_fault+0x7a/0xad
[  412.017279]  ? lock_release+0xa00/0xa00
[  412.021242]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.026685]  ? print_usage_bug+0xc0/0xc0
[  412.030738]  ? print_usage_bug+0xc0/0xc0
[  412.034800]  ? down_read+0x8d/0x120
[  412.038411]  ? ext4_filemap_fault+0x7a/0xad
[  412.042723]  ? __down_interruptible+0x700/0x700
[  412.047391]  ext4_filemap_fault+0x82/0xad
[  412.051530]  __do_fault+0x100/0x6b0
[  412.055152]  ? pmd_devmap_trans_unstable+0x220/0x220
[  412.060250]  ? mark_held_locks+0x130/0x130
[  412.064479]  ? mark_held_locks+0x130/0x130
[  412.068729]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.074263]  ? rcu_pm_notify+0xc0/0xc0
[  412.078148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.083680]  __handle_mm_fault+0x3ea0/0x5be0
[  412.088087]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  412.092939]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.097434]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.102030]  ? trace_hardirqs_on+0xbd/0x310
[  412.106343]  ? kasan_check_read+0x11/0x20
[  412.110489]  ? __set_current_blocked+0xdf/0x120
[  412.115153]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.120277]  ? zap_class+0x640/0x640
[  412.123996]  ? zap_class+0x640/0x640
[  412.127708]  ? find_held_lock+0x36/0x1c0
[  412.131770]  ? handle_mm_fault+0x42a/0xc70
[  412.136005]  ? lock_downgrade+0x900/0x900
[  412.140146]  ? check_preemption_disabled+0x48/0x280
[  412.145155]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.150076]  ? kasan_check_read+0x11/0x20
[  412.154232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.159504]  ? rcu_softirq_qs+0x20/0x20
[  412.163472]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.168571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.174105]  ? check_preemption_disabled+0x48/0x280
[  412.179133]  handle_mm_fault+0x54f/0xc70
[  412.183201]  ? __handle_mm_fault+0x5be0/0x5be0
[  412.187783]  ? find_vma+0x34/0x190
[  412.191320]  __do_page_fault+0x5e8/0xe60
[  412.195373]  ? exit_to_usermode_loop+0x1f4/0x380
[  412.200548]  do_page_fault+0xf2/0x7e0
[  412.204355]  ? vmalloc_sync_all+0x30/0x30
[  412.208580]  ? error_entry+0x70/0xd0
[  412.212288]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.217294]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.222220]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.227146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.231982]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.236995]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.242453]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.247466]  ? page_fault+0x8/0x30
[  412.251006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.255844]  ? page_fault+0x8/0x30
[  412.259378]  page_fault+0x1e/0x30
[  412.262837] RIP: 0033:0x45db60
[  412.266035] Code: Bad RIP value.
[  412.269393] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  412.274745] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  412.282027] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  412.289286] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  412.296549] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  412.303808] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  412.311100] warn_alloc_show_mem: 1 callbacks suppressed
[  412.311109] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  412.311111] Mem-Info:
[  412.311139] active_anon:48041 inactive_anon:196 isolated_anon:0
[  412.311139]  active_file:13 inactive_file:15 isolated_file:0
[  412.311139]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.311139]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  412.311139]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  412.311139]  free:13795 free_pcp:455 free_cma:0
[  412.316469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.323746] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.326138] Call Trace:
[  412.359077] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  412.368933]  <IRQ>
[  412.396322] lowmem_reserve[]: 0 2818 6321 6321
[  412.398900]  dump_stack+0x244/0x39d
[  412.424971] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  412.427111]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.431658] lowmem_reserve[]: 0 0 3503 3503
[  412.435280]  warn_alloc.cold.116+0xb7/0x1bd
[  412.462998] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  412.468175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.472464] lowmem_reserve[]: 0 0 0 0
[  412.476781]  ? lock_downgrade+0x900/0x900
[  412.505723] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  412.510560]  ? trace_hardirqs_off+0xb8/0x310
[  412.514329] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  412.518473]  ? trace_hardirqs_off+0xb8/0x310
[  412.531965] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  412.536366]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.552551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.556962]  ? warn_alloc+0x120/0x120
[  412.572097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.576918]  ? print_usage_bug+0xc0/0xc0
[  412.585720] 272 total pagecache pages
[  412.589510]  ? warn_alloc+0x120/0x120
[  412.598062] 0 pages in swap cache
[  412.602103]  ? warn_alloc+0x120/0x120
[  412.605876] Swap cache stats: add 0, delete 0, find 0/0
[  412.609658]  ? print_usage_bug+0xc0/0xc0
[  412.613079] Free swap  = 0kB
[  412.616865]  ? kvm_clock_read+0x18/0x30
[  412.622193] Total swap = 0kB
[  412.626258]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.629243] 1965979 pages RAM
[  412.633201]  ? print_usage_bug+0xc0/0xc0
[  412.636188] 0 pages HighMem/MovableOnly
[  412.641186]  ? __lock_acquire+0x62f/0x4c20
[  412.644255] 342853 pages reserved
[  412.644261] 0 pages cma reserved
[  412.648310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.652302] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.656469]  ? should_fail+0x22d/0xd01
[  412.656481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.656497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.659968] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.663274]  ? __lock_acquire+0x62f/0x4c20
[  412.668778] syz-fuzzer cpuset=/ mems_allowed=0
[  412.675255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.713633]  ? __lock_acquire+0x62f/0x4c20
[  412.717861]  ? should_fail+0x22d/0xd01
[  412.721750]  ? rcu_irq_exit+0x1a2/0x390
[  412.725728]  ? mark_held_locks+0x130/0x130
[  412.729962]  ? mark_held_locks+0x130/0x130
[  412.734194]  ? mark_held_locks+0xc7/0x130
[  412.738333]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.743353]  ? zap_class+0x640/0x640
[  412.747056]  ? print_usage_bug+0xc0/0xc0
[  412.751112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.756647]  ? check_preemption_disabled+0x48/0x280
[  412.761666]  ? __lock_is_held+0xb5/0x140
[  412.765734]  __alloc_pages_nodemask+0xa80/0xde0
[  412.770405]  ? zap_class+0x640/0x640
[  412.774114]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.779134]  ? find_held_lock+0x36/0x1c0
[  412.783198]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.787860]  ? lock_downgrade+0x900/0x900
[  412.792004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.797536]  cache_grow_begin+0xa5/0x8c0
[  412.801590]  ? do_raw_spin_unlock+0xa7/0x330
[  412.806001]  fallback_alloc+0x204/0x2e0
[  412.809973]  ____cache_alloc_node+0x1c7/0x1e0
[  412.814469]  kmem_cache_alloc_node+0xe3/0x730
[  412.818958]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.823192]  __alloc_skb+0x119/0x770
[  412.826910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.832212]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.836613]  ? lock_downgrade+0x900/0x900
[  412.840761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.846292]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.851739]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.857185]  ? addrconf_rs_timer+0x690/0x690
[  412.861611]  ndisc_alloc_skb+0x144/0x340
[  412.865668]  ndisc_send_rs+0x331/0x6e0
[  412.869556]  addrconf_rs_timer+0x314/0x690
[  412.873785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.878017]  call_timer_fn+0x272/0x920
[  412.881897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.886131]  ? process_timeout+0x40/0x40
[  412.890190]  ? __run_timers+0x7da/0xc70
[  412.894161]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.898648]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.903131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.907361]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.911946]  ? trace_hardirqs_on+0xbd/0x310
[  412.916258]  ? kasan_check_read+0x11/0x20
[  412.920400]  ? __run_timers+0x7da/0xc70
[  412.924369]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.929481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.933718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.937942]  __run_timers+0x7e5/0xc70
[  412.941757]  ? timer_fixup_init+0x70/0x70
[  412.945901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.950911]  ? zap_class+0x640/0x640
[  412.954623]  ? enqueue_hrtimer+0x1a5/0x560
[  412.958856]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.964045]  ? find_held_lock+0x36/0x1c0
[  412.968107]  ? zap_class+0x640/0x640
[  412.971817]  ? pvclock_read_flags+0x160/0x160
[  412.976305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.981833]  ? check_preemption_disabled+0x48/0x280
[  412.986853]  ? __lock_is_held+0xb5/0x140
[  412.990908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.996443]  ? check_preemption_disabled+0x48/0x280
[  413.001455]  run_timer_softirq+0x52/0xb0
[  413.005508]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.010515]  __do_softirq+0x308/0xb7e
[  413.014311]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.018797]  ? lock_downgrade+0x900/0x900
[  413.022944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.028048]  ? pvclock_read_flags+0x160/0x160
[  413.032536]  ? lapic_next_event+0x5a/0x90
[  413.036684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.042218]  ? kvm_clock_read+0x18/0x30
[  413.046187]  ? kvm_sched_clock_read+0x9/0x20
[  413.050595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.056128]  ? check_preemption_disabled+0x48/0x280
[  413.061144]  irq_exit+0x17f/0x1c0
[  413.064592]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.069429]  ? smp_reschedule_interrupt+0x109/0x650
[  413.074438]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.080315]  ? interrupt_entry+0xb5/0xc0
[  413.084381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.089395]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.094408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.099246]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.104258]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.109275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.114121]  apic_timer_interrupt+0xf/0x20
[  413.118346]  </IRQ>
[  413.120588] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  413.125510] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  413.144400] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.152113] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.159377] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  413.166635] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  413.173892] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  413.181158] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  413.188456]  skb_clone+0x1bb/0x500
[  413.191988]  ? finish_task_switch+0x2f4/0x910
[  413.196475]  ? skb_split+0x11e0/0x11e0
[  413.200368]  ? preempt_notifier_register+0x200/0x200
[  413.205467]  ? __switch_to_asm+0x34/0x70
[  413.209520]  ? __switch_to_asm+0x34/0x70
[  413.213569]  ? __switch_to_asm+0x40/0x70
[  413.217623]  ? __switch_to_asm+0x34/0x70
[  413.221673]  ? __switch_to_asm+0x40/0x70
[  413.225726]  ? __switch_to_asm+0x34/0x70
[  413.229775]  ? __switch_to_asm+0x40/0x70
[  413.233825]  ? __switch_to_asm+0x34/0x70
[  413.237876]  ? __switch_to_asm+0x34/0x70
[  413.241929]  ? __switch_to_asm+0x40/0x70
[  413.245979]  ? __switch_to_asm+0x34/0x70
[  413.250035]  bpf_clone_redirect+0xb9/0x490
[  413.254265]  ? __schedule+0x8d7/0x21d0
[  413.258151]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  413.263163]  ? __sched_text_start+0x8/0x8
[  413.267307]  ? retint_kernel+0x2d/0x2d
[  413.271196]  ? find_held_lock+0x36/0x1c0
[  413.275256]  ? lock_acquire+0x1ed/0x520
[  413.279223]  ? bpf_test_run+0x3cb/0x780
[  413.283190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.288724]  ? check_preemption_disabled+0x48/0x280
[  413.293740]  ? kasan_check_read+0x11/0x20
[  413.297879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.303149]  ? rcu_softirq_qs+0x20/0x20
[  413.307120]  ? preempt_schedule+0x4d/0x60
[  413.311264]  ? ___preempt_schedule+0x16/0x18
[  413.315673]  ? bpf_test_run+0x25d/0x780
[  413.319654]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.324060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.329592]  ? bpf_test_init.isra.10+0x70/0x100
[  413.334260]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  413.339022]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.343857]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.349392]  ? fput+0x130/0x1a0
[  413.352664]  ? __bpf_prog_get+0x9b/0x290
[  413.356722]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.361571]  ? bpf_prog_test_run+0x130/0x1a0
[  413.365974]  ? __x64_sys_bpf+0x3d8/0x520
[  413.370028]  ? bpf_prog_get+0x20/0x20
[  413.373841]  ? do_syscall_64+0x1b9/0x820
[  413.377896]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.383259]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.388214]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.393222]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.398233]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  413.404892]  ? __switch_to_asm+0x40/0x70
[  413.408942]  ? __switch_to_asm+0x34/0x70
[  413.413002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.417856]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.423233] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  413.423285] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.430149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.430154] Call Trace:
[  413.430159]  <IRQ>
[  413.430173]  dump_stack+0x244/0x39d
[  413.430192]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.436725] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.446009]  warn_alloc.cold.116+0xb7/0x1bd
[  413.448557] syz-executor4 cpuset=syz4 mems_allowed=0
[  413.450698]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.484154]  ? lock_downgrade+0x900/0x900
[  413.488303]  ? trace_hardirqs_off+0xb8/0x310
[  413.492716]  ? trace_hardirqs_off+0xb8/0x310
[  413.497124]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.501984]  ? warn_alloc+0x120/0x120
[  413.505782]  ? print_usage_bug+0xc0/0xc0
[  413.509836]  ? warn_alloc+0x120/0x120
[  413.513633]  ? warn_alloc+0x120/0x120
[  413.517429]  ? print_usage_bug+0xc0/0xc0
[  413.521487]  ? print_usage_bug+0xc0/0xc0
[  413.525545]  ? __lock_acquire+0x62f/0x4c20
[  413.529779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.535309]  ? should_fail+0x22d/0xd01
[  413.539202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.544297]  ? __lock_acquire+0x62f/0x4c20
[  413.548533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.553630]  ? __lock_acquire+0x62f/0x4c20
[  413.557859]  ? should_fail+0x22d/0xd01
[  413.561738]  ? find_held_lock+0x36/0x1c0
[  413.565800]  ? mark_held_locks+0x130/0x130
[  413.570031]  ? mark_held_locks+0x130/0x130
[  413.574256]  ? zap_class+0x640/0x640
[  413.577965]  ? zap_class+0x640/0x640
[  413.581672]  ? print_usage_bug+0xc0/0xc0
[  413.585725]  ? do_raw_spin_unlock+0xa7/0x330
[  413.590127]  ? zap_class+0x640/0x640
[  413.593843]  ? print_usage_bug+0xc0/0xc0
[  413.597922]  ? wq_watchdog_touch+0x9c/0xfe
[  413.602151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.607682]  ? check_preemption_disabled+0x48/0x280
[  413.612703]  ? __lock_is_held+0xb5/0x140
[  413.616758]  __alloc_pages_nodemask+0xa80/0xde0
[  413.621422]  ? zap_class+0x640/0x640
[  413.625135]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.630153]  ? find_held_lock+0x36/0x1c0
[  413.634218]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.638879]  ? lock_downgrade+0x900/0x900
[  413.643038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.648571]  cache_grow_begin+0xa5/0x8c0
[  413.652623]  ? do_raw_spin_unlock+0xa7/0x330
[  413.657031]  fallback_alloc+0x204/0x2e0
[  413.661004]  ____cache_alloc_node+0x1c7/0x1e0
[  413.665501]  kmem_cache_alloc_node+0xe3/0x730
[  413.669991]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.674228]  __alloc_skb+0x119/0x770
[  413.677937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.683214]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.687618]  ? lock_downgrade+0x900/0x900
[  413.691765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.697299]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.702762]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.708207]  ? addrconf_rs_timer+0x690/0x690
[  413.712615]  ndisc_alloc_skb+0x144/0x340
[  413.716673]  ndisc_send_rs+0x331/0x6e0
[  413.720576]  addrconf_rs_timer+0x314/0x690
[  413.724809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.729046]  call_timer_fn+0x272/0x920
[  413.732923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.737152]  ? process_timeout+0x40/0x40
[  413.741214]  ? mark_held_locks+0xc7/0x130
[  413.745366]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.749851]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.754337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.758567]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.763230]  ? trace_hardirqs_on+0xbd/0x310
[  413.767546]  ? kasan_check_read+0x11/0x20
[  413.771685]  ? __run_timers+0x7da/0xc70
[  413.775653]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.780752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.784986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.789214]  __run_timers+0x7e5/0xc70
[  413.793015]  ? timer_fixup_init+0x70/0x70
[  413.797158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.802171]  ? zap_class+0x640/0x640
[  413.805969]  ? print_usage_bug+0xc0/0xc0
[  413.810023]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.815212]  ? find_held_lock+0x36/0x1c0
[  413.819269]  ? zap_class+0x640/0x640
[  413.822984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.828513]  ? check_preemption_disabled+0x48/0x280
[  413.833533]  ? __lock_is_held+0xb5/0x140
[  413.837588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.843117]  ? check_preemption_disabled+0x48/0x280
[  413.848131]  run_timer_softirq+0x52/0xb0
[  413.852183]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.857194]  __do_softirq+0x308/0xb7e
[  413.860998]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.865488]  ? lock_downgrade+0x900/0x900
[  413.869635]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.874740]  ? pvclock_read_flags+0x160/0x160
[  413.879234]  ? lapic_next_event+0x5a/0x90
[  413.883378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.888931]  ? kvm_clock_read+0x18/0x30
[  413.892900]  ? kvm_sched_clock_read+0x9/0x20
[  413.897310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.902847]  ? check_preemption_disabled+0x48/0x280
[  413.907866]  irq_exit+0x17f/0x1c0
[  413.911321]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.916167]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.922044]  ? interrupt_entry+0xb5/0xc0
[  413.926104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.931112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.936121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.940957]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.945969]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.950979]  ? task_prio+0x50/0x50
[  413.954518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.960050]  ? check_preemption_disabled+0x48/0x280
[  413.965061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.969907]  apic_timer_interrupt+0xf/0x20
[  413.974127]  </IRQ>
[  413.976361] RIP: 0010:console_unlock+0x102f/0x1190
[  413.981295] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  414.000186] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  414.007886] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  414.015145] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  414.022406] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  414.029669] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  414.036927] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  414.044194]  ? netconsole_netdev_event+0x280/0x280
[  414.049125]  ? console_unlock+0x1026/0x1190
[  414.053455]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  414.058111]  ? vprintk_emit+0x846/0x990
[  414.062082]  ? lock_release+0xa00/0xa00
[  414.066050]  ? trace_hardirqs_on+0x60/0x310
[  414.070363]  ? vprintk_default+0x28/0x30
[  414.074416]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.079598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.085135]  vprintk_emit+0x391/0x990
[  414.088934]  ? wake_up_klogd+0x180/0x180
[  414.093068]  ? find_held_lock+0x1/0x1c0
[  414.097043]  ? mark_held_locks+0xc7/0x130
[  414.101184]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.105671]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.110162]  vprintk_default+0x28/0x30
[  414.114045]  vprintk_func+0x7e/0x181
[  414.117753]  printk+0xa7/0xcf
[  414.120854]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  414.125602]  ? _raw_spin_unlock_irq+0x60/0x80
[  414.130102]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  414.135378]  dump_header+0x7cc/0xf72
[  414.139092]  ? pagefault_out_of_memory+0x197/0x197
[  414.144025]  ? __lock_acquire+0x62f/0x4c20
[  414.148273]  ? percpu_ref_get_many+0x240/0x240
[  414.152860]  ? print_usage_bug+0xc0/0xc0
[  414.156920]  ? zap_class+0x640/0x640
[  414.160630]  ? print_usage_bug+0xc0/0xc0
[  414.164685]  ? zap_class+0x640/0x640
[  414.168395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.173925]  ? find_held_lock+0x36/0x1c0
[  414.177987]  ? mark_held_locks+0xc7/0x130
[  414.182148]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.187240]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.192340]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.197328]  ? trace_hardirqs_on+0xbd/0x310
[  414.201663]  ? kasan_check_read+0x11/0x20
[  414.205804]  ? ___ratelimit+0x3b4/0x672
[  414.209773]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.214867]  ? trace_hardirqs_on+0x310/0x310
[  414.219267]  ? lock_downgrade+0x900/0x900
[  414.223419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.228518]  ? ___ratelimit+0x3b9/0x672
[  414.232484]  ? idr_get_free+0xf70/0xf70
[  414.236447]  ? find_held_lock+0x36/0x1c0
[  414.240505]  oom_kill_process.cold.27+0x10/0x903
[  414.245256]  ? zap_class+0x640/0x640
[  414.248968]  ? check_preemption_disabled+0x48/0x280
[  414.253978]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.258901]  ? kasan_check_read+0x11/0x20
[  414.263038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.268330]  ? oom_evaluate_task+0x540/0x540
[  414.272739]  ? find_held_lock+0x36/0x1c0
[  414.276795]  ? out_of_memory+0x974/0x1430
[  414.281030]  ? lock_downgrade+0x900/0x900
[  414.285166]  ? check_preemption_disabled+0x48/0x280
[  414.290178]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.295098]  ? kasan_check_read+0x11/0x20
[  414.299236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.304509]  ? rcu_softirq_qs+0x20/0x20
[  414.308479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.314011]  ? oom_evaluate_task+0x302/0x540
[  414.318415]  out_of_memory+0xa84/0x1430
[  414.322389]  ? oom_killer_disable+0x3a0/0x3a0
[  414.326879]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  414.331804]  ? __ww_mutex_check_waiters+0x160/0x160
[  414.336823]  __alloc_pages_slowpath+0x2354/0x2e10
[  414.341695]  ? warn_alloc+0x120/0x120
[  414.345492]  ? mark_held_locks+0x130/0x130
[  414.349723]  ? find_get_entry+0xaae/0x1120
[  414.353956]  ? filemap_map_pages+0x1a20/0x1a20
[  414.358537]  ? zap_class+0x640/0x640
[  414.362252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.367798]  ? check_preemption_disabled+0x48/0x280
[  414.372812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.378339]  ? should_fail+0x22d/0xd01
[  414.382233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.387337]  ? zap_class+0x640/0x640
[  414.391061]  ? __lock_is_held+0xb5/0x140
[  414.395129]  ? mark_held_locks+0x130/0x130
[  414.399360]  ? lock_release+0xa00/0xa00
[  414.403328]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.408770]  ? xa_load+0x2ba/0x460
[  414.412330]  ? lock_downgrade+0x900/0x900
[  414.416479]  ? __might_sleep+0x95/0x190
[  414.420451]  __alloc_pages_nodemask+0xa80/0xde0
[  414.425120]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.430139]  ? __page_cache_alloc+0x191/0x5c0
[  414.434627]  ? xa_load+0x2e1/0x460
[  414.438166]  ? xa_clear_mark+0x40/0x40
[  414.442048]  ? zap_class+0x640/0x640
[  414.445761]  ? zap_class+0x640/0x640
[  414.449474]  ? zap_class+0x640/0x640
[  414.453181]  ? __do_page_cache_readahead+0x663/0x810
[  414.458285]  ? find_held_lock+0x36/0x1c0
[  414.462355]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  414.467891]  alloc_pages_current+0x173/0x350
[  414.472305]  __page_cache_alloc+0x38c/0x5c0
[  414.476618]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.481538]  ? kasan_check_read+0x11/0x20
[  414.485676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.490951]  ? generic_perform_write+0x6a0/0x6a0
[  414.495704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.501237]  ? check_preemption_disabled+0x48/0x280
[  414.506268]  filemap_fault+0x1595/0x25f0
[  414.510340]  ? __lock_page_or_retry+0xa00/0xa00
[  414.515004]  ? mark_held_locks+0x130/0x130
[  414.519237]  ? filemap_map_pages+0xd6b/0x1a20
[  414.523735]  ? lock_downgrade+0x900/0x900
[  414.527875]  ? check_preemption_disabled+0x48/0x280
[  414.532884]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.537803]  ? kasan_check_read+0x11/0x20
[  414.541943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.547217]  ? rcu_softirq_qs+0x20/0x20
[  414.551209]  ? filemap_map_pages+0xd92/0x1a20
[  414.555713]  ? print_usage_bug+0xc0/0xc0
[  414.559773]  ? find_get_entries_tag+0x1400/0x1400
[  414.564607]  ? __kasan_slab_free+0x102/0x150
[  414.569005]  ? kasan_slab_free+0xe/0x10
[  414.572968]  ? kmem_cache_free+0x83/0x290
[  414.577109]  ? __sigqueue_free.part.29+0x74/0x90
[  414.581871]  ? lock_acquire+0x1ed/0x520
[  414.585836]  ? ext4_filemap_fault+0x7a/0xad
[  414.590156]  ? lock_release+0xa00/0xa00
[  414.594126]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.599568]  ? print_usage_bug+0xc0/0xc0
[  414.603624]  ? print_usage_bug+0xc0/0xc0
[  414.607689]  ? down_read+0x8d/0x120
[  414.611310]  ? ext4_filemap_fault+0x7a/0xad
[  414.615728]  ? __down_interruptible+0x700/0x700
[  414.620406]  ext4_filemap_fault+0x82/0xad
[  414.624550]  __do_fault+0x100/0x6b0
[  414.628174]  ? pmd_devmap_trans_unstable+0x220/0x220
[  414.633277]  ? mark_held_locks+0x130/0x130
[  414.637513]  ? mark_held_locks+0x130/0x130
[  414.641747]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  414.647277]  ? rcu_pm_notify+0xc0/0xc0
[  414.651166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.656699]  __handle_mm_fault+0x3ea0/0x5be0
[  414.661107]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  414.665937]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.670425]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.674998]  ? trace_hardirqs_on+0xbd/0x310
[  414.679313]  ? kasan_check_read+0x11/0x20
[  414.683458]  ? __set_current_blocked+0xdf/0x120
[  414.688123]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.693239]  ? zap_class+0x640/0x640
[  414.696948]  ? zap_class+0x640/0x640
[  414.700662]  ? find_held_lock+0x36/0x1c0
[  414.704724]  ? handle_mm_fault+0x42a/0xc70
[  414.708956]  ? lock_downgrade+0x900/0x900
[  414.713096]  ? check_preemption_disabled+0x48/0x280
[  414.718108]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.723030]  ? kasan_check_read+0x11/0x20
[  414.727169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.732437]  ? rcu_softirq_qs+0x20/0x20
[  414.736404]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.741504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.747036]  ? check_preemption_disabled+0x48/0x280
[  414.752051]  handle_mm_fault+0x54f/0xc70
[  414.756107]  ? __handle_mm_fault+0x5be0/0x5be0
[  414.760681]  ? find_vma+0x34/0x190
[  414.764222]  __do_page_fault+0x5e8/0xe60
[  414.768290]  ? exit_to_usermode_loop+0x1f4/0x380
[  414.773044]  do_page_fault+0xf2/0x7e0
[  414.776855]  ? vmalloc_sync_all+0x30/0x30
[  414.781033]  ? error_entry+0x70/0xd0
[  414.784738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.789743]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.794661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.799594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.804428]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.809434]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.814898]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.819906]  ? page_fault+0x8/0x30
[  414.823445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.828284]  ? page_fault+0x8/0x30
[  414.831824]  page_fault+0x1e/0x30
[  414.835282] RIP: 0033:0x45db60
[  414.838478] Code: Bad RIP value.
[  414.841831] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  414.847183] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  414.854441] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  414.861697] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  414.868958] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  414.876244] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  414.883527] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  414.883531] warn_alloc_show_mem: 1 callbacks suppressed
[  414.883537] Mem-Info:
[  414.890799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.896154] active_anon:48041 inactive_anon:196 isolated_anon:0
[  414.896154]  active_file:13 inactive_file:15 isolated_file:0
[  414.896154]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.896154]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  414.896154]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  414.896154]  free:13795 free_pcp:455 free_cma:0
[  414.898519] Call Trace:
[  414.907884] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.940721]  <IRQ>
[  414.943279] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  414.970678]  dump_stack+0x244/0x39d
[  414.972797] lowmem_reserve[]: 0 2818 6321 6321
[  414.998891]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.002488] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  415.007066]  warn_alloc.cold.116+0xb7/0x1bd
[  415.012229] lowmem_reserve[]: 0 0 3503 3503
[  415.039976]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.044269] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  415.048595]  ? lock_downgrade+0x900/0x900
[  415.053399] lowmem_reserve[]: 0 0 0 0
[  415.082376]  ? trace_hardirqs_off+0xb8/0x310
[  415.086506] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  415.090299]  ? trace_hardirqs_off+0xb8/0x310
[  415.094689] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  415.108217]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.112592] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  415.128920]  ? warn_alloc+0x120/0x120
[  415.133722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.148886]  ? print_usage_bug+0xc0/0xc0
[  415.152663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.161482]  ? warn_alloc+0x120/0x120
[  415.165517] 272 total pagecache pages
[  415.174088]  ? warn_alloc+0x120/0x120
[  415.177868] 0 pages in swap cache
[  415.181647]  ? print_usage_bug+0xc0/0xc0
[  415.185423] Swap cache stats: add 0, delete 0, find 0/0
[  415.188859]  ? kvm_clock_read+0x18/0x30
[  415.192891] Free swap  = 0kB
[  415.198238]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.202196] Total swap = 0kB
[  415.205207]  ? print_usage_bug+0xc0/0xc0
[  415.210281] 1965979 pages RAM
[  415.213282]  ? __lock_acquire+0x62f/0x4c20
[  415.217311] 0 pages HighMem/MovableOnly
[  415.220403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.224621] 342853 pages reserved
[  415.224628] 0 pages cma reserved
[  415.228591]  ? should_fail+0x22d/0xd01
[  415.234147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.237530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.237547]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.240932] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.244758]  ? __lock_acquire+0x62f/0x4c20
[  415.251334] syz-fuzzer cpuset=/ mems_allowed=0
[  415.256596]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.285763]  ? __lock_acquire+0x62f/0x4c20
[  415.290003]  ? should_fail+0x22d/0xd01
[  415.293885]  ? rcu_irq_exit+0x1a2/0x390
[  415.297873]  ? mark_held_locks+0x130/0x130
[  415.302108]  ? mark_held_locks+0x130/0x130
[  415.306344]  ? mark_held_locks+0xc7/0x130
[  415.310485]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  415.315495]  ? zap_class+0x640/0x640
[  415.319211]  ? print_usage_bug+0xc0/0xc0
[  415.323274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.328807]  ? check_preemption_disabled+0x48/0x280
[  415.333824]  ? __lock_is_held+0xb5/0x140
[  415.337883]  __alloc_pages_nodemask+0xa80/0xde0
[  415.342544]  ? zap_class+0x640/0x640
[  415.346255]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.351275]  ? find_held_lock+0x36/0x1c0
[  415.355340]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.360005]  ? lock_downgrade+0x900/0x900
[  415.364156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.369711]  cache_grow_begin+0xa5/0x8c0
[  415.373764]  ? do_raw_spin_unlock+0xa7/0x330
[  415.378181]  fallback_alloc+0x204/0x2e0
[  415.382154]  ____cache_alloc_node+0x1c7/0x1e0
[  415.386657]  kmem_cache_alloc_node+0xe3/0x730
[  415.391145]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.395388]  __alloc_skb+0x119/0x770
[  415.399098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.404373]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.408780]  ? lock_downgrade+0x900/0x900
[  415.412930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.418477]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.423936]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.429383]  ? addrconf_rs_timer+0x690/0x690
[  415.433793]  ndisc_alloc_skb+0x144/0x340
[  415.437882]  ndisc_send_rs+0x331/0x6e0
[  415.441769]  addrconf_rs_timer+0x314/0x690
[  415.446003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.450240]  call_timer_fn+0x272/0x920
[  415.454120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.458352]  ? process_timeout+0x40/0x40
[  415.462417]  ? __run_timers+0x7da/0xc70
[  415.466387]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.470876]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.475363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.479593]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.484180]  ? trace_hardirqs_on+0xbd/0x310
[  415.488501]  ? kasan_check_read+0x11/0x20
[  415.492640]  ? __run_timers+0x7da/0xc70
[  415.496608]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.501714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.505951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.510184]  __run_timers+0x7e5/0xc70
[  415.513985]  ? timer_fixup_init+0x70/0x70
[  415.518133]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.523154]  ? zap_class+0x640/0x640
[  415.526974]  ? enqueue_hrtimer+0x1a5/0x560
[  415.531205]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.536395]  ? find_held_lock+0x36/0x1c0
[  415.540459]  ? zap_class+0x640/0x640
[  415.544178]  ? pvclock_read_flags+0x160/0x160
[  415.548671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.554207]  ? check_preemption_disabled+0x48/0x280
[  415.559226]  ? __lock_is_held+0xb5/0x140
[  415.563282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.568811]  ? check_preemption_disabled+0x48/0x280
[  415.573824]  run_timer_softirq+0x52/0xb0
[  415.577879]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.583023]  __do_softirq+0x308/0xb7e
[  415.586820]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.591312]  ? lock_downgrade+0x900/0x900
[  415.595457]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.600559]  ? pvclock_read_flags+0x160/0x160
[  415.605048]  ? lapic_next_event+0x5a/0x90
[  415.609193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.614734]  ? kvm_clock_read+0x18/0x30
[  415.618697]  ? kvm_sched_clock_read+0x9/0x20
[  415.623100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.628645]  ? check_preemption_disabled+0x48/0x280
[  415.633694]  irq_exit+0x17f/0x1c0
[  415.637163]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.641998]  ? smp_reschedule_interrupt+0x109/0x650
[  415.647018]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.652892]  ? interrupt_entry+0xb5/0xc0
[  415.656949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.661961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.666970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.671809]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.676818]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.681836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.686765]  apic_timer_interrupt+0xf/0x20
[  415.690989]  </IRQ>
[  415.693219] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.698144] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  415.717043] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.724740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.732006] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  415.739271] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  415.746546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.753809] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  415.761112]  skb_clone+0x1bb/0x500
[  415.764659]  ? finish_task_switch+0x2f4/0x910
[  415.769160]  ? skb_split+0x11e0/0x11e0
[  415.773041]  ? preempt_notifier_register+0x200/0x200
[  415.778139]  ? __switch_to_asm+0x34/0x70
[  415.782200]  ? __switch_to_asm+0x34/0x70
[  415.786250]  ? __switch_to_asm+0x40/0x70
[  415.790320]  ? __switch_to_asm+0x34/0x70
[  415.794369]  ? __switch_to_asm+0x40/0x70
[  415.798421]  ? __switch_to_asm+0x34/0x70
[  415.802474]  ? __switch_to_asm+0x40/0x70
[  415.806543]  ? __switch_to_asm+0x34/0x70
[  415.810599]  ? __switch_to_asm+0x34/0x70
[  415.814651]  ? __switch_to_asm+0x40/0x70
[  415.818713]  ? __switch_to_asm+0x34/0x70
[  415.822771]  bpf_clone_redirect+0xb9/0x490
[  415.827000]  ? __schedule+0x8d7/0x21d0
[  415.830889]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  415.835900]  ? __sched_text_start+0x8/0x8
[  415.840044]  ? retint_kernel+0x2d/0x2d
[  415.843949]  ? find_held_lock+0x36/0x1c0
[  415.848011]  ? lock_acquire+0x1ed/0x520
[  415.851981]  ? bpf_test_run+0x3cb/0x780
[  415.855949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.861481]  ? check_preemption_disabled+0x48/0x280
[  415.866497]  ? kasan_check_read+0x11/0x20
[  415.870640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.875909]  ? rcu_softirq_qs+0x20/0x20
[  415.879878]  ? preempt_schedule+0x4d/0x60
[  415.884020]  ? ___preempt_schedule+0x16/0x18
[  415.888432]  ? bpf_test_run+0x25d/0x780
[  415.892410]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.896818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.902356]  ? bpf_test_init.isra.10+0x70/0x100
[  415.907029]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  415.911787]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.916623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.922160]  ? fput+0x130/0x1a0
[  415.925435]  ? __bpf_prog_get+0x9b/0x290
[  415.929495]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.934331]  ? bpf_prog_test_run+0x130/0x1a0
[  415.938742]  ? __x64_sys_bpf+0x3d8/0x520
[  415.942798]  ? bpf_prog_get+0x20/0x20
[  415.946611]  ? do_syscall_64+0x1b9/0x820
[  415.950669]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.956035]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.960963]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.965979]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.970991]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  415.977664]  ? __switch_to_asm+0x40/0x70
[  415.981724]  ? __switch_to_asm+0x34/0x70
[  415.985781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.990732]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.996104] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  415.996169] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.003030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.003037] Call Trace:
[  416.009616] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.018849]  <IRQ>
[  416.021412] syz-executor4 cpuset=syz4 mems_allowed=0
[  416.031883]  dump_stack+0x244/0x39d
[  416.042706]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.047901]  warn_alloc.cold.116+0xb7/0x1bd
[  416.052221]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.057062]  ? lock_downgrade+0x900/0x900
[  416.061210]  ? trace_hardirqs_off+0xb8/0x310
[  416.065621]  ? trace_hardirqs_off+0xb8/0x310
[  416.070030]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.074893]  ? warn_alloc+0x120/0x120
[  416.078696]  ? print_usage_bug+0xc0/0xc0
[  416.082753]  ? warn_alloc+0x120/0x120
[  416.086552]  ? warn_alloc+0x120/0x120
[  416.090347]  ? print_usage_bug+0xc0/0xc0
[  416.094408]  ? print_usage_bug+0xc0/0xc0
[  416.098462]  ? __lock_acquire+0x62f/0x4c20
[  416.102694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.108226]  ? should_fail+0x22d/0xd01
[  416.112112]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.117218]  ? __lock_acquire+0x62f/0x4c20
[  416.121449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.126543]  ? __lock_acquire+0x62f/0x4c20
[  416.130873]  ? should_fail+0x22d/0xd01
[  416.134757]  ? find_held_lock+0x36/0x1c0
[  416.138826]  ? mark_held_locks+0x130/0x130
[  416.143061]  ? mark_held_locks+0x130/0x130
[  416.147304]  ? zap_class+0x640/0x640
[  416.151028]  ? zap_class+0x640/0x640
[  416.154739]  ? print_usage_bug+0xc0/0xc0
[  416.158793]  ? do_raw_spin_unlock+0xa7/0x330
[  416.163197]  ? zap_class+0x640/0x640
[  416.166903]  ? print_usage_bug+0xc0/0xc0
[  416.170957]  ? wq_watchdog_touch+0x9c/0xfe
[  416.175189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.180723]  ? check_preemption_disabled+0x48/0x280
[  416.185741]  ? __lock_is_held+0xb5/0x140
[  416.189802]  __alloc_pages_nodemask+0xa80/0xde0
[  416.194466]  ? zap_class+0x640/0x640
[  416.198670]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.203694]  ? find_held_lock+0x36/0x1c0
[  416.207758]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.212435]  ? lock_downgrade+0x900/0x900
[  416.216596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.222166]  cache_grow_begin+0xa5/0x8c0
[  416.226222]  ? do_raw_spin_unlock+0xa7/0x330
[  416.230630]  fallback_alloc+0x204/0x2e0
[  416.234602]  ____cache_alloc_node+0x1c7/0x1e0
[  416.239100]  kmem_cache_alloc_node+0xe3/0x730
[  416.243685]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.247924]  __alloc_skb+0x119/0x770
[  416.251646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.256920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.261325]  ? lock_downgrade+0x900/0x900
[  416.265470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.271003]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.276449]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.281894]  ? addrconf_rs_timer+0x690/0x690
[  416.286307]  ndisc_alloc_skb+0x144/0x340
[  416.290365]  ndisc_send_rs+0x331/0x6e0
[  416.294250]  addrconf_rs_timer+0x314/0x690
[  416.298485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.302723]  call_timer_fn+0x272/0x920
[  416.306607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.310839]  ? process_timeout+0x40/0x40
[  416.314911]  ? mark_held_locks+0xc7/0x130
[  416.319057]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.323546]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.328034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.332266]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.336860]  ? trace_hardirqs_on+0xbd/0x310
[  416.341177]  ? kasan_check_read+0x11/0x20
[  416.345331]  ? __run_timers+0x7da/0xc70
[  416.349305]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.354410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.358649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.363792]  __run_timers+0x7e5/0xc70
[  416.367723]  ? timer_fixup_init+0x70/0x70
[  416.371869]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.376880]  ? zap_class+0x640/0x640
[  416.380593]  ? print_usage_bug+0xc0/0xc0
[  416.384648]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.389863]  ? find_held_lock+0x36/0x1c0
[  416.393921]  ? zap_class+0x640/0x640
[  416.397631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.403164]  ? check_preemption_disabled+0x48/0x280
[  416.408213]  ? __lock_is_held+0xb5/0x140
[  416.412268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.417800]  ? check_preemption_disabled+0x48/0x280
[  416.422812]  run_timer_softirq+0x52/0xb0
[  416.426867]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.431881]  __do_softirq+0x308/0xb7e
[  416.435679]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.440172]  ? lock_downgrade+0x900/0x900
[  416.444326]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.449429]  ? pvclock_read_flags+0x160/0x160
[  416.453924]  ? lapic_next_event+0x5a/0x90
[  416.458070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.463614]  ? kvm_clock_read+0x18/0x30
[  416.467603]  ? kvm_sched_clock_read+0x9/0x20
[  416.472029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.477561]  ? check_preemption_disabled+0x48/0x280
[  416.482583]  irq_exit+0x17f/0x1c0
[  416.486032]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.490869]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.496745]  ? interrupt_entry+0xb5/0xc0
[  416.500806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.505816]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.510827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.515667]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.520675]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.525685]  ? task_prio+0x50/0x50
[  416.529228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.534758]  ? check_preemption_disabled+0x48/0x280
[  416.539775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.544618]  apic_timer_interrupt+0xf/0x20
[  416.548853]  </IRQ>
[  416.551098] RIP: 0010:console_unlock+0x102f/0x1190
[  416.556033] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  416.574929] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  416.582633] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  416.589899] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  416.597163] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  416.604431] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  416.611695] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  416.618965]  ? netconsole_netdev_event+0x280/0x280
[  416.623897]  ? console_unlock+0x1026/0x1190
[  416.628227]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  416.632888]  ? vprintk_emit+0x846/0x990
[  416.636862]  ? lock_release+0xa00/0xa00
[  416.640834]  ? trace_hardirqs_on+0x60/0x310
[  416.645148]  ? vprintk_default+0x28/0x30
[  416.649203]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.654300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.659848]  vprintk_emit+0x391/0x990
[  416.663652]  ? wake_up_klogd+0x180/0x180
[  416.667711]  ? find_held_lock+0x1/0x1c0
[  416.671687]  ? mark_held_locks+0xc7/0x130
[  416.675830]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.680317]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.684901]  vprintk_default+0x28/0x30
[  416.688784]  vprintk_func+0x7e/0x181
[  416.692513]  printk+0xa7/0xcf
[  416.695615]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  416.700366]  ? _raw_spin_unlock_irq+0x60/0x80
[  416.704869]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  416.710150]  dump_header+0x7cc/0xf72
[  416.713865]  ? pagefault_out_of_memory+0x197/0x197
[  416.718798]  ? __lock_acquire+0x62f/0x4c20
[  416.723033]  ? percpu_ref_get_many+0x240/0x240
[  416.727622]  ? print_usage_bug+0xc0/0xc0
[  416.731684]  ? zap_class+0x640/0x640
[  416.735392]  ? print_usage_bug+0xc0/0xc0
[  416.739451]  ? zap_class+0x640/0x640
[  416.743166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.748705]  ? find_held_lock+0x36/0x1c0
[  416.752768]  ? mark_held_locks+0xc7/0x130
[  416.756913]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.762012]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.767113]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.771711]  ? trace_hardirqs_on+0xbd/0x310
[  416.776026]  ? kasan_check_read+0x11/0x20
[  416.780168]  ? ___ratelimit+0x3b4/0x672
[  416.784139]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.789235]  ? trace_hardirqs_on+0x310/0x310
[  416.793655]  ? lock_downgrade+0x900/0x900
[  416.797803]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.802901]  ? ___ratelimit+0x3b9/0x672
[  416.806872]  ? idr_get_free+0xf70/0xf70
[  416.810849]  ? find_held_lock+0x36/0x1c0
[  416.814915]  oom_kill_process.cold.27+0x10/0x903
[  416.819667]  ? zap_class+0x640/0x640
[  416.823375]  ? check_preemption_disabled+0x48/0x280
[  416.828387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.833308]  ? kasan_check_read+0x11/0x20
[  416.838074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.843351]  ? oom_evaluate_task+0x540/0x540
[  416.847766]  ? find_held_lock+0x36/0x1c0
[  416.851828]  ? out_of_memory+0x974/0x1430
[  416.856001]  ? lock_downgrade+0x900/0x900
[  416.860146]  ? check_preemption_disabled+0x48/0x280
[  416.865162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.870086]  ? kasan_check_read+0x11/0x20
[  416.874232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.879501]  ? rcu_softirq_qs+0x20/0x20
[  416.883469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.888999]  ? oom_evaluate_task+0x302/0x540
[  416.893404]  out_of_memory+0xa84/0x1430
[  416.897379]  ? oom_killer_disable+0x3a0/0x3a0
[  416.901870]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  416.906794]  ? __ww_mutex_check_waiters+0x160/0x160
[  416.911819]  __alloc_pages_slowpath+0x2354/0x2e10
[  416.916679]  ? warn_alloc+0x120/0x120
[  416.920476]  ? mark_held_locks+0x130/0x130
[  416.924709]  ? find_get_entry+0xaae/0x1120
[  416.928945]  ? filemap_map_pages+0x1a20/0x1a20
[  416.933532]  ? zap_class+0x640/0x640
[  416.937245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.942781]  ? check_preemption_disabled+0x48/0x280
[  416.947790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.953324]  ? should_fail+0x22d/0xd01
[  416.957209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.962309]  ? zap_class+0x640/0x640
[  416.966053]  ? __lock_is_held+0xb5/0x140
[  416.970120]  ? mark_held_locks+0x130/0x130
[  416.974349]  ? lock_release+0xa00/0xa00
[  416.978322]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.983767]  ? xa_load+0x2ba/0x460
[  416.987301]  ? lock_downgrade+0x900/0x900
[  416.991447]  ? __might_sleep+0x95/0x190
[  416.995420]  __alloc_pages_nodemask+0xa80/0xde0
[  417.000093]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.005108]  ? __page_cache_alloc+0x191/0x5c0
[  417.009597]  ? xa_load+0x2e1/0x460
[  417.013136]  ? xa_clear_mark+0x40/0x40
[  417.017039]  ? zap_class+0x640/0x640
[  417.020759]  ? zap_class+0x640/0x640
[  417.024565]  ? zap_class+0x640/0x640
[  417.028275]  ? __do_page_cache_readahead+0x663/0x810
[  417.033391]  ? find_held_lock+0x36/0x1c0
[  417.037451]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  417.042988]  alloc_pages_current+0x173/0x350
[  417.047397]  __page_cache_alloc+0x38c/0x5c0
[  417.051711]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.056635]  ? kasan_check_read+0x11/0x20
[  417.060797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.066079]  ? generic_perform_write+0x6a0/0x6a0
[  417.070836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.076370]  ? check_preemption_disabled+0x48/0x280
[  417.081386]  filemap_fault+0x1595/0x25f0
[  417.085457]  ? __lock_page_or_retry+0xa00/0xa00
[  417.090122]  ? mark_held_locks+0x130/0x130
[  417.094363]  ? filemap_map_pages+0xd6b/0x1a20
[  417.098854]  ? lock_downgrade+0x900/0x900
[  417.102996]  ? check_preemption_disabled+0x48/0x280
[  417.108011]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.112939]  ? kasan_check_read+0x11/0x20
[  417.117098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.122368]  ? rcu_softirq_qs+0x20/0x20
[  417.126353]  ? filemap_map_pages+0xd92/0x1a20
[  417.130845]  ? print_usage_bug+0xc0/0xc0
[  417.134915]  ? find_get_entries_tag+0x1400/0x1400
[  417.139753]  ? __kasan_slab_free+0x102/0x150
[  417.144165]  ? kasan_slab_free+0xe/0x10
[  417.148133]  ? kmem_cache_free+0x83/0x290
[  417.152275]  ? __sigqueue_free.part.29+0x74/0x90
[  417.157044]  ? lock_acquire+0x1ed/0x520
[  417.161012]  ? ext4_filemap_fault+0x7a/0xad
[  417.165342]  ? lock_release+0xa00/0xa00
[  417.169312]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.174773]  ? print_usage_bug+0xc0/0xc0
[  417.178830]  ? print_usage_bug+0xc0/0xc0
[  417.182894]  ? down_read+0x8d/0x120
[  417.186510]  ? ext4_filemap_fault+0x7a/0xad
[  417.190827]  ? __down_interruptible+0x700/0x700
[  417.195503]  ext4_filemap_fault+0x82/0xad
[  417.200120]  __do_fault+0x100/0x6b0
[  417.203744]  ? pmd_devmap_trans_unstable+0x220/0x220
[  417.208863]  ? mark_held_locks+0x130/0x130
[  417.213095]  ? mark_held_locks+0x130/0x130
[  417.217324]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  417.222871]  ? rcu_pm_notify+0xc0/0xc0
[  417.226755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.232293]  __handle_mm_fault+0x3ea0/0x5be0
[  417.236702]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  417.241537]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.246032]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.250610]  ? trace_hardirqs_on+0xbd/0x310
[  417.254923]  ? kasan_check_read+0x11/0x20
[  417.259063]  ? __set_current_blocked+0xdf/0x120
[  417.263733]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.268859]  ? zap_class+0x640/0x640
[  417.272565]  ? zap_class+0x640/0x640
[  417.276278]  ? find_held_lock+0x36/0x1c0
[  417.280343]  ? handle_mm_fault+0x42a/0xc70
[  417.284588]  ? lock_downgrade+0x900/0x900
[  417.288729]  ? check_preemption_disabled+0x48/0x280
[  417.293738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.298659]  ? kasan_check_read+0x11/0x20
[  417.302799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.308072]  ? rcu_softirq_qs+0x20/0x20
[  417.312079]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.317179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.322711]  ? check_preemption_disabled+0x48/0x280
[  417.327728]  handle_mm_fault+0x54f/0xc70
[  417.331788]  ? __handle_mm_fault+0x5be0/0x5be0
[  417.336372]  ? find_vma+0x34/0x190
[  417.339910]  __do_page_fault+0x5e8/0xe60
[  417.343967]  ? exit_to_usermode_loop+0x1f4/0x380
[  417.348725]  do_page_fault+0xf2/0x7e0
[  417.352520]  ? vmalloc_sync_all+0x30/0x30
[  417.356660]  ? error_entry+0x70/0xd0
[  417.360368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.365376]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.370301]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.375225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.380066]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.385080]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.390531]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.395544]  ? page_fault+0x8/0x30
[  417.399096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.403935]  ? page_fault+0x8/0x30
[  417.407471]  page_fault+0x1e/0x30
[  417.410916] RIP: 0033:0x45db60
[  417.414114] Code: Bad RIP value.
[  417.417474] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  417.422833] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  417.430098] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  417.437360] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  417.444625] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  417.451890] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  417.459175] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  417.459180] warn_alloc_show_mem: 1 callbacks suppressed
[  417.459186] Mem-Info:
[  417.466453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.471818] active_anon:48041 inactive_anon:196 isolated_anon:0
[  417.471818]  active_file:13 inactive_file:15 isolated_file:0
[  417.471818]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.471818]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  417.471818]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  417.471818]  free:13795 free_pcp:455 free_cma:0
[  417.474189] Call Trace:
[  417.483561] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.516402]  <IRQ>
[  417.518965] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  417.546453]  dump_stack+0x244/0x39d
[  417.548571] lowmem_reserve[]: 0 2818 6321 6321
[  417.574668]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.578269] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  417.582851]  warn_alloc.cold.116+0xb7/0x1bd
[  417.588011] lowmem_reserve[]: 0 0 3503 3503
[  417.615781]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.620071] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  417.624399]  ? lock_downgrade+0x900/0x900
[  417.629226] lowmem_reserve[]: 0 0 0 0
[  417.658196]  ? trace_hardirqs_off+0xb8/0x310
[  417.662313] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  417.666104]  ? trace_hardirqs_off+0xb8/0x310
[  417.670495] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  417.684014]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.688403] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  417.704626]  ? warn_alloc+0x120/0x120
[  417.709427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.724581]  ? print_usage_bug+0xc0/0xc0
[  417.728360] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.737174]  ? warn_alloc+0x120/0x120
[  417.741206] 272 total pagecache pages
[  417.749780]  ? warn_alloc+0x120/0x120
[  417.753563] 0 pages in swap cache
[  417.757357]  ? print_usage_bug+0xc0/0xc0
[  417.761150] Swap cache stats: add 0, delete 0, find 0/0
[  417.764585]  ? kvm_clock_read+0x18/0x30
[  417.768618] Free swap  = 0kB
[  417.773968]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.777919] Total swap = 0kB
[  417.780923]  ? print_usage_bug+0xc0/0xc0
[  417.785911] 1965979 pages RAM
[  417.788918]  ? __lock_acquire+0x62f/0x4c20
[  417.792948] 0 pages HighMem/MovableOnly
[  417.796043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.800265] 342853 pages reserved
[  417.804321]  ? should_fail+0x22d/0xd01
[  417.809828] 0 pages cma reserved
[  417.813276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.817183] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.820485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.825805] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.832329]  ? __lock_acquire+0x62f/0x4c20
[  417.837405] syz-fuzzer cpuset=/ mems_allowed=0
[  417.847619]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.861478]  ? __lock_acquire+0x62f/0x4c20
[  417.865706]  ? should_fail+0x22d/0xd01
[  417.869583]  ? rcu_irq_exit+0x1a2/0x390
[  417.873556]  ? mark_held_locks+0x130/0x130
[  417.877798]  ? mark_held_locks+0x130/0x130
[  417.882027]  ? try_to_wake_up+0x11c/0x1490
[  417.886257]  ? lock_downgrade+0x900/0x900
[  417.890416]  ? zap_class+0x640/0x640
[  417.894143]  ? print_usage_bug+0xc0/0xc0
[  417.898198]  ? trace_hardirqs_off+0xb8/0x310
[  417.902599]  ? kasan_check_read+0x11/0x20
[  417.906756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.912287]  ? check_preemption_disabled+0x48/0x280
[  417.917306]  ? __lock_is_held+0xb5/0x140
[  417.921386]  __alloc_pages_nodemask+0xa80/0xde0
[  417.926051]  ? zap_class+0x640/0x640
[  417.929762]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.934783]  ? find_held_lock+0x36/0x1c0
[  417.938848]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.943518]  ? lock_downgrade+0x900/0x900
[  417.947669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.953221]  cache_grow_begin+0xa5/0x8c0
[  417.957275]  ? do_raw_spin_unlock+0xa7/0x330
[  417.961689]  fallback_alloc+0x204/0x2e0
[  417.965667]  ____cache_alloc_node+0x1c7/0x1e0
[  417.970160]  kmem_cache_alloc_node+0xe3/0x730
[  417.974650]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.978903]  __alloc_skb+0x119/0x770
[  417.982626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.987900]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.992302]  ? lock_downgrade+0x900/0x900
[  417.996452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.001991]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.007460]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.012905]  ? addrconf_rs_timer+0x690/0x690
[  418.017321]  ndisc_alloc_skb+0x144/0x340
[  418.021377]  ndisc_send_rs+0x331/0x6e0
[  418.025280]  addrconf_rs_timer+0x314/0x690
[  418.029514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.033759]  call_timer_fn+0x272/0x920
[  418.037639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.041865]  ? process_timeout+0x40/0x40
[  418.045922]  ? __run_timers+0x7da/0xc70
[  418.049887]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.054402]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.059005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.063237]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.067812]  ? trace_hardirqs_on+0xbd/0x310
[  418.072124]  ? kasan_check_read+0x11/0x20
[  418.076266]  ? __run_timers+0x7da/0xc70
[  418.080236]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.085341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.089569]  __run_timers+0x7e5/0xc70
[  418.093366]  ? timer_fixup_init+0x70/0x70
[  418.097512]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.102526]  ? zap_class+0x640/0x640
[  418.106235]  ? enqueue_hrtimer+0x1a5/0x560
[  418.110467]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.115659]  ? find_held_lock+0x36/0x1c0
[  418.119716]  ? zap_class+0x640/0x640
[  418.123427]  ? pvclock_read_flags+0x160/0x160
[  418.127921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.133461]  ? check_preemption_disabled+0x48/0x280
[  418.138479]  ? __lock_is_held+0xb5/0x140
[  418.142537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.148074]  ? check_preemption_disabled+0x48/0x280
[  418.153092]  run_timer_softirq+0x52/0xb0
[  418.157164]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.162175]  __do_softirq+0x308/0xb7e
[  418.165985]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.170473]  ? lock_downgrade+0x900/0x900
[  418.174632]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.179735]  ? pvclock_read_flags+0x160/0x160
[  418.184227]  ? lapic_next_event+0x5a/0x90
[  418.188380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.193933]  ? kvm_clock_read+0x18/0x30
[  418.198100]  ? kvm_sched_clock_read+0x9/0x20
[  418.202511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.208062]  ? check_preemption_disabled+0x48/0x280
[  418.213095]  irq_exit+0x17f/0x1c0
[  418.216542]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.221380]  ? smp_reschedule_interrupt+0x109/0x650
[  418.226394]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.232272]  ? interrupt_entry+0xb5/0xc0
[  418.236331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.241342]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.246355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.251192]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.256204]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.261223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.266064]  apic_timer_interrupt+0xf/0x20
[  418.270289]  </IRQ>
[  418.272519] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.277448] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  418.296341] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.304064] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.311327] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  418.318589] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  418.325846] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.333108] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  418.340448]  skb_clone+0x1bb/0x500
[  418.343985]  ? finish_task_switch+0x2f4/0x910
[  418.348480]  ? skb_split+0x11e0/0x11e0
[  418.352367]  ? preempt_notifier_register+0x200/0x200
[  418.357464]  ? __switch_to_asm+0x34/0x70
[  418.361520]  ? __switch_to_asm+0x34/0x70
[  418.366104]  ? __switch_to_asm+0x40/0x70
[  418.370158]  ? __switch_to_asm+0x34/0x70
[  418.374224]  ? __switch_to_asm+0x40/0x70
[  418.378278]  ? __switch_to_asm+0x34/0x70
[  418.382328]  ? __switch_to_asm+0x40/0x70
[  418.386389]  ? __switch_to_asm+0x34/0x70
[  418.390444]  ? __switch_to_asm+0x34/0x70
[  418.394498]  ? __switch_to_asm+0x40/0x70
[  418.398551]  ? __switch_to_asm+0x34/0x70
[  418.402696]  bpf_clone_redirect+0xb9/0x490
[  418.406945]  ? __schedule+0x8d7/0x21d0
[  418.410856]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  418.415866]  ? __sched_text_start+0x8/0x8
[  418.420006]  ? retint_kernel+0x2d/0x2d
[  418.423905]  ? find_held_lock+0x36/0x1c0
[  418.427972]  ? lock_acquire+0x1ed/0x520
[  418.431947]  ? bpf_test_run+0x3cb/0x780
[  418.435915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.441453]  ? check_preemption_disabled+0x48/0x280
[  418.446483]  ? kasan_check_read+0x11/0x20
[  418.450628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.455900]  ? rcu_softirq_qs+0x20/0x20
[  418.459882]  ? preempt_schedule+0x4d/0x60
[  418.464026]  ? ___preempt_schedule+0x16/0x18
[  418.468437]  ? bpf_test_run+0x25d/0x780
[  418.472422]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.476828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.482358]  ? bpf_test_init.isra.10+0x70/0x100
[  418.487025]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  418.491788]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.496627]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.502160]  ? fput+0x130/0x1a0
[  418.505435]  ? __bpf_prog_get+0x9b/0x290
[  418.509498]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.514336]  ? bpf_prog_test_run+0x130/0x1a0
[  418.518742]  ? __x64_sys_bpf+0x3d8/0x520
[  418.522800]  ? bpf_prog_get+0x20/0x20
[  418.526612]  ? do_syscall_64+0x1b9/0x820
[  418.530669]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.536027]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.540955]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.545972]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.550985]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  418.557644]  ? __switch_to_asm+0x40/0x70
[  418.561695]  ? __switch_to_asm+0x34/0x70
[  418.565757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.570597]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.575973] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  418.576033] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.582891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.582898] Call Trace:
[  418.589451] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.598714]  <IRQ>
[  418.601277] syz-executor4 cpuset=syz4 mems_allowed=0
[  418.611750]  dump_stack+0x244/0x39d
[  418.622577]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.627771]  warn_alloc.cold.116+0xb7/0x1bd
[  418.632087]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.636931]  ? lock_downgrade+0x900/0x900
[  418.641084]  ? trace_hardirqs_off+0xb8/0x310
[  418.645489]  ? trace_hardirqs_off+0xb8/0x310
[  418.649900]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.654767]  ? warn_alloc+0x120/0x120
[  418.658567]  ? print_usage_bug+0xc0/0xc0
[  418.662622]  ? warn_alloc+0x120/0x120
[  418.666422]  ? warn_alloc+0x120/0x120
[  418.670215]  ? print_usage_bug+0xc0/0xc0
[  418.674272]  ? kvm_clock_read+0x18/0x30
[  418.678240]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.683253]  ? print_usage_bug+0xc0/0xc0
[  418.687393]  ? __lock_acquire+0x62f/0x4c20
[  418.691628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.697158]  ? should_fail+0x22d/0xd01
[  418.701060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.706333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.711442]  ? __lock_acquire+0x62f/0x4c20
[  418.715671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.720770]  ? __lock_acquire+0x62f/0x4c20
[  418.725009]  ? should_fail+0x22d/0xd01
[  418.728894]  ? rcu_irq_exit+0x1a2/0x390
[  418.732877]  ? mark_held_locks+0x130/0x130
[  418.737116]  ? mark_held_locks+0x130/0x130
[  418.741347]  ? mark_held_locks+0xc7/0x130
[  418.745490]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  418.750496]  ? zap_class+0x640/0x640
[  418.754221]  ? print_usage_bug+0xc0/0xc0
[  418.758277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.763810]  ? check_preemption_disabled+0x48/0x280
[  418.768831]  ? __lock_is_held+0xb5/0x140
[  418.772890]  __alloc_pages_nodemask+0xa80/0xde0
[  418.777558]  ? zap_class+0x640/0x640
[  418.781263]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.786280]  ? find_held_lock+0x36/0x1c0
[  418.790359]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.795034]  ? lock_downgrade+0x900/0x900
[  418.799182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.804715]  cache_grow_begin+0xa5/0x8c0
[  418.808768]  ? do_raw_spin_unlock+0xa7/0x330
[  418.813175]  fallback_alloc+0x204/0x2e0
[  418.817147]  ____cache_alloc_node+0x1c7/0x1e0
[  418.821659]  kmem_cache_alloc_node+0xe3/0x730
[  418.826150]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.830384]  __alloc_skb+0x119/0x770
[  418.834094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.839385]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.843798]  ? lock_downgrade+0x900/0x900
[  418.847955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.853486]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.858934]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.864382]  ? addrconf_rs_timer+0x690/0x690
[  418.868798]  ndisc_alloc_skb+0x144/0x340
[  418.872875]  ndisc_send_rs+0x331/0x6e0
[  418.876767]  addrconf_rs_timer+0x314/0x690
[  418.881001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.885241]  call_timer_fn+0x272/0x920
[  418.889123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.893352]  ? process_timeout+0x40/0x40
[  418.897415]  ? mark_held_locks+0xc7/0x130
[  418.901585]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.906071]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.910571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.914801]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.919377]  ? trace_hardirqs_on+0xbd/0x310
[  418.923712]  ? kasan_check_read+0x11/0x20
[  418.927855]  ? __run_timers+0x7da/0xc70
[  418.931844]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.937032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.941262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.945487]  __run_timers+0x7e5/0xc70
[  418.949312]  ? timer_fixup_init+0x70/0x70
[  418.953472]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.958486]  ? zap_class+0x640/0x640
[  418.962197]  ? print_usage_bug+0xc0/0xc0
[  418.966250]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.971442]  ? find_held_lock+0x36/0x1c0
[  418.975502]  ? zap_class+0x640/0x640
[  418.979212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.984742]  ? check_preemption_disabled+0x48/0x280
[  418.989760]  ? __lock_is_held+0xb5/0x140
[  418.993826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.999356]  ? check_preemption_disabled+0x48/0x280
[  419.004369]  run_timer_softirq+0x52/0xb0
[  419.008437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.013450]  __do_softirq+0x308/0xb7e
[  419.017251]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.021746]  ? lock_downgrade+0x900/0x900
[  419.025901]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.031095]  ? pvclock_read_flags+0x160/0x160
[  419.035584]  ? lapic_next_event+0x5a/0x90
[  419.039743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.045276]  ? kvm_clock_read+0x18/0x30
[  419.049244]  ? kvm_sched_clock_read+0x9/0x20
[  419.053647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.059180]  ? check_preemption_disabled+0x48/0x280
[  419.064201]  irq_exit+0x17f/0x1c0
[  419.067653]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.072492]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.078381]  ? interrupt_entry+0xb5/0xc0
[  419.082456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.087465]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.092497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.097334]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.102356]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.107366]  ? task_prio+0x50/0x50
[  419.110903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.116452]  ? check_preemption_disabled+0x48/0x280
[  419.121468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.126308]  apic_timer_interrupt+0xf/0x20
[  419.130549]  </IRQ>
[  419.132784] RIP: 0010:console_unlock+0x102f/0x1190
[  419.137710] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  419.156604] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  419.164305] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  419.171569] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  419.178849] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  419.186119] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  419.193385] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  419.200656]  ? netconsole_netdev_event+0x280/0x280
[  419.205585]  ? console_unlock+0x1026/0x1190
[  419.209920]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  419.214582]  ? vprintk_emit+0x846/0x990
[  419.218552]  ? lock_release+0xa00/0xa00
[  419.222529]  ? trace_hardirqs_on+0x60/0x310
[  419.226846]  ? vprintk_default+0x28/0x30
[  419.230916]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.236188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.241727]  vprintk_emit+0x391/0x990
[  419.245525]  ? wake_up_klogd+0x180/0x180
[  419.249587]  ? find_held_lock+0x1/0x1c0
[  419.253565]  ? mark_held_locks+0xc7/0x130
[  419.257713]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.262205]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.266700]  vprintk_default+0x28/0x30
[  419.270581]  vprintk_func+0x7e/0x181
[  419.274294]  printk+0xa7/0xcf
[  419.277474]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  419.282226]  ? _raw_spin_unlock_irq+0x60/0x80
[  419.286727]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  419.292003]  dump_header+0x7cc/0xf72
[  419.295721]  ? pagefault_out_of_memory+0x197/0x197
[  419.300655]  ? __lock_acquire+0x62f/0x4c20
[  419.304888]  ? percpu_ref_get_many+0x240/0x240
[  419.309470]  ? print_usage_bug+0xc0/0xc0
[  419.313544]  ? zap_class+0x640/0x640
[  419.317258]  ? print_usage_bug+0xc0/0xc0
[  419.321318]  ? zap_class+0x640/0x640
[  419.325032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.330569]  ? find_held_lock+0x36/0x1c0
[  419.334632]  ? mark_held_locks+0xc7/0x130
[  419.338776]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.343877]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.348978]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.353560]  ? trace_hardirqs_on+0xbd/0x310
[  419.357886]  ? kasan_check_read+0x11/0x20
[  419.362029]  ? ___ratelimit+0x3b4/0x672
[  419.365998]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.371096]  ? trace_hardirqs_on+0x310/0x310
[  419.375518]  ? lock_downgrade+0x900/0x900
[  419.379664]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.384760]  ? ___ratelimit+0x3b9/0x672
[  419.388731]  ? idr_get_free+0xf70/0xf70
[  419.392699]  ? find_held_lock+0x36/0x1c0
[  419.396761]  oom_kill_process.cold.27+0x10/0x903
[  419.401511]  ? zap_class+0x640/0x640
[  419.405219]  ? check_preemption_disabled+0x48/0x280
[  419.410231]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.415151]  ? kasan_check_read+0x11/0x20
[  419.419306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.424579]  ? oom_evaluate_task+0x540/0x540
[  419.428987]  ? find_held_lock+0x36/0x1c0
[  419.433051]  ? out_of_memory+0x974/0x1430
[  419.437194]  ? lock_downgrade+0x900/0x900
[  419.441339]  ? check_preemption_disabled+0x48/0x280
[  419.446355]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.451278]  ? kasan_check_read+0x11/0x20
[  419.455419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.460691]  ? rcu_softirq_qs+0x20/0x20
[  419.464667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.470198]  ? oom_evaluate_task+0x302/0x540
[  419.474606]  out_of_memory+0xa84/0x1430
[  419.478582]  ? oom_killer_disable+0x3a0/0x3a0
[  419.483071]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  419.488000]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.493024]  __alloc_pages_slowpath+0x2354/0x2e10
[  419.497894]  ? warn_alloc+0x120/0x120
[  419.501688]  ? mark_held_locks+0x130/0x130
[  419.505921]  ? find_get_entry+0xaae/0x1120
[  419.510161]  ? filemap_map_pages+0x1a20/0x1a20
[  419.514746]  ? zap_class+0x640/0x640
[  419.518458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.523993]  ? check_preemption_disabled+0x48/0x280
[  419.529008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.534539]  ? should_fail+0x22d/0xd01
[  419.538423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.543525]  ? zap_class+0x640/0x640
[  419.547256]  ? __lock_is_held+0xb5/0x140
[  419.551320]  ? mark_held_locks+0x130/0x130
[  419.555552]  ? lock_release+0xa00/0xa00
[  419.559520]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.564968]  ? xa_load+0x2ba/0x460
[  419.568509]  ? lock_downgrade+0x900/0x900
[  419.572658]  ? __might_sleep+0x95/0x190
[  419.576631]  __alloc_pages_nodemask+0xa80/0xde0
[  419.581297]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.586310]  ? __page_cache_alloc+0x191/0x5c0
[  419.590798]  ? xa_load+0x2e1/0x460
[  419.594334]  ? xa_clear_mark+0x40/0x40
[  419.598214]  ? zap_class+0x640/0x640
[  419.602023]  ? zap_class+0x640/0x640
[  419.605749]  ? zap_class+0x640/0x640
[  419.609476]  ? __do_page_cache_readahead+0x663/0x810
[  419.614581]  ? find_held_lock+0x36/0x1c0
[  419.618640]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.624178]  alloc_pages_current+0x173/0x350
[  419.628584]  __page_cache_alloc+0x38c/0x5c0
[  419.632897]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.637823]  ? kasan_check_read+0x11/0x20
[  419.641970]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.647239]  ? generic_perform_write+0x6a0/0x6a0
[  419.651990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.657523]  ? check_preemption_disabled+0x48/0x280
[  419.662539]  filemap_fault+0x1595/0x25f0
[  419.666605]  ? __lock_page_or_retry+0xa00/0xa00
[  419.671268]  ? mark_held_locks+0x130/0x130
[  419.675502]  ? filemap_map_pages+0xd6b/0x1a20
[  419.680003]  ? lock_downgrade+0x900/0x900
[  419.684147]  ? check_preemption_disabled+0x48/0x280
[  419.689158]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.694080]  ? kasan_check_read+0x11/0x20
[  419.698223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.703506]  ? rcu_softirq_qs+0x20/0x20
[  419.707481]  ? filemap_map_pages+0xd92/0x1a20
[  419.711979]  ? print_usage_bug+0xc0/0xc0
[  419.716041]  ? find_get_entries_tag+0x1400/0x1400
[  419.720891]  ? __kasan_slab_free+0x102/0x150
[  419.725290]  ? kasan_slab_free+0xe/0x10
[  419.729286]  ? kmem_cache_free+0x83/0x290
[  419.733430]  ? __sigqueue_free.part.29+0x74/0x90
[  419.738191]  ? lock_acquire+0x1ed/0x520
[  419.742177]  ? ext4_filemap_fault+0x7a/0xad
[  419.746494]  ? lock_release+0xa00/0xa00
[  419.750458]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.755903]  ? print_usage_bug+0xc0/0xc0
[  419.759961]  ? print_usage_bug+0xc0/0xc0
[  419.764027]  ? down_read+0x8d/0x120
[  419.767647]  ? ext4_filemap_fault+0x7a/0xad
[  419.771964]  ? __down_interruptible+0x700/0x700
[  419.776634]  ext4_filemap_fault+0x82/0xad
[  419.780775]  __do_fault+0x100/0x6b0
[  419.784398]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.789497]  ? mark_held_locks+0x130/0x130
[  419.793723]  ? mark_held_locks+0x130/0x130
[  419.797952]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  419.803578]  ? rcu_pm_notify+0xc0/0xc0
[  419.807465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.813003]  __handle_mm_fault+0x3ea0/0x5be0
[  419.817432]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.822266]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.826757]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.831345]  ? trace_hardirqs_on+0xbd/0x310
[  419.835658]  ? kasan_check_read+0x11/0x20
[  419.839796]  ? __set_current_blocked+0xdf/0x120
[  419.844467]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.849697]  ? zap_class+0x640/0x640
[  419.853403]  ? zap_class+0x640/0x640
[  419.857116]  ? find_held_lock+0x36/0x1c0
[  419.861182]  ? handle_mm_fault+0x42a/0xc70
[  419.865414]  ? lock_downgrade+0x900/0x900
[  419.869555]  ? check_preemption_disabled+0x48/0x280
[  419.874565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.879486]  ? kasan_check_read+0x11/0x20
[  419.883627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.888899]  ? rcu_softirq_qs+0x20/0x20
[  419.892873]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.897970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.903501]  ? check_preemption_disabled+0x48/0x280
[  419.908518]  handle_mm_fault+0x54f/0xc70
[  419.912576]  ? __handle_mm_fault+0x5be0/0x5be0
[  419.917155]  ? find_vma+0x34/0x190
[  419.920692]  __do_page_fault+0x5e8/0xe60
[  419.924748]  ? exit_to_usermode_loop+0x1f4/0x380
[  419.929506]  do_page_fault+0xf2/0x7e0
[  419.933301]  ? vmalloc_sync_all+0x30/0x30
[  419.937446]  ? error_entry+0x70/0xd0
[  419.941156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.946165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.951089]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.956012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.960867]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.965878]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.971328]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.976338]  ? page_fault+0x8/0x30
[  419.979881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.984725]  ? page_fault+0x8/0x30
[  419.988258]  page_fault+0x1e/0x30
[  419.991703] RIP: 0033:0x45db60
[  419.994901] Code: Bad RIP value.
[  419.998255] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  420.003611] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  420.010893] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  420.018155] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  420.025416] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  420.032690] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  420.039979] warn_alloc_show_mem: 1 callbacks suppressed
[  420.039988] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  420.039990] Mem-Info:
[  420.040019] active_anon:48041 inactive_anon:196 isolated_anon:0
[  420.040019]  active_file:13 inactive_file:15 isolated_file:0
[  420.040019]  unevictable:0 dirty:0 writeback:0 unstable:0
[  420.040019]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  420.040019]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  420.040019]  free:13795 free_pcp:455 free_cma:0
[  420.045349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.052617] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  420.055009] Call Trace:
[  420.088232] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  420.097655]  <IRQ>
[  420.125034] lowmem_reserve[]: 0 2818 6321 6321
[  420.127612]  dump_stack+0x244/0x39d
[  420.153681] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  420.155820]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.160369] lowmem_reserve[]: 0 0 3503 3503
[  420.164005]  warn_alloc.cold.116+0xb7/0x1bd
[  420.191723] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  420.197200]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.201492] lowmem_reserve[]: 0 0 0 0
[  420.205811]  ? lock_downgrade+0x900/0x900
[  420.234751] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  420.239586]  ? trace_hardirqs_off+0xb8/0x310
[  420.243367] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  420.247515]  ? trace_hardirqs_off+0xb8/0x310
[  420.261001] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  420.265408]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.281594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.286004]  ? warn_alloc+0x120/0x120
[  420.301132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.305973]  ? print_usage_bug+0xc0/0xc0
[  420.314783] 272 total pagecache pages
[  420.318563]  ? warn_alloc+0x120/0x120
[  420.327115] 0 pages in swap cache
[  420.331155]  ? warn_alloc+0x120/0x120
[  420.334924] Swap cache stats: add 0, delete 0, find 0/0
[  420.338708]  ? print_usage_bug+0xc0/0xc0
[  420.342130] Free swap  = 0kB
[  420.345915]  ? kvm_clock_read+0x18/0x30
[  420.351249] Total swap = 0kB
[  420.355298]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  420.358286] 1965979 pages RAM
[  420.362248]  ? print_usage_bug+0xc0/0xc0
[  420.365400] 0 pages HighMem/MovableOnly
[  420.365407] 342853 pages reserved
[  420.370418]  ? __lock_acquire+0x62f/0x4c20
[  420.373492] 0 pages cma reserved
[  420.377541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.381542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.384919]  ? should_fail+0x22d/0xd01
[  420.384931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.384948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.389215] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.392517]  ? __lock_acquire+0x62f/0x4c20
[  420.398022] syz-fuzzer cpuset=/ mems_allowed=0
[  420.404503]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.442782]  ? __lock_acquire+0x62f/0x4c20
[  420.447009]  ? should_fail+0x22d/0xd01
[  420.450887]  ? rcu_irq_exit+0x1a2/0x390
[  420.454861]  ? mark_held_locks+0x130/0x130
[  420.459098]  ? mark_held_locks+0x130/0x130
[  420.463338]  ? mark_held_locks+0xc7/0x130
[  420.467482]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  420.472491]  ? zap_class+0x640/0x640
[  420.476202]  ? print_usage_bug+0xc0/0xc0
[  420.480261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.485798]  ? check_preemption_disabled+0x48/0x280
[  420.490819]  ? __lock_is_held+0xb5/0x140
[  420.494879]  __alloc_pages_nodemask+0xa80/0xde0
[  420.499546]  ? zap_class+0x640/0x640
[  420.503262]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.508281]  ? find_held_lock+0x36/0x1c0
[  420.512350]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.517018]  ? lock_downgrade+0x900/0x900
[  420.521162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.526706]  cache_grow_begin+0xa5/0x8c0
[  420.530767]  ? do_raw_spin_unlock+0xa7/0x330
[  420.535175]  fallback_alloc+0x204/0x2e0
[  420.539147]  ____cache_alloc_node+0x1c7/0x1e0
[  420.543643]  kmem_cache_alloc_node+0xe3/0x730
[  420.548134]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.552369]  __alloc_skb+0x119/0x770
[  420.556077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.561365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.565777]  ? lock_downgrade+0x900/0x900
[  420.569927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.575458]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.580910]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.586359]  ? addrconf_rs_timer+0x690/0x690
[  420.590782]  ndisc_alloc_skb+0x144/0x340
[  420.594842]  ndisc_send_rs+0x331/0x6e0
[  420.598739]  addrconf_rs_timer+0x314/0x690
[  420.602980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.607218]  call_timer_fn+0x272/0x920
[  420.611098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.615329]  ? process_timeout+0x40/0x40
[  420.619393]  ? __run_timers+0x7da/0xc70
[  420.623359]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.627846]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.632329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.636555]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.641133]  ? trace_hardirqs_on+0xbd/0x310
[  420.645444]  ? kasan_check_read+0x11/0x20
[  420.649599]  ? __run_timers+0x7da/0xc70
[  420.653580]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.658681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.662929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.667157]  __run_timers+0x7e5/0xc70
[  420.670954]  ? timer_fixup_init+0x70/0x70
[  420.675111]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.680119]  ? zap_class+0x640/0x640
[  420.683826]  ? enqueue_hrtimer+0x1a5/0x560
[  420.688056]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.693244]  ? find_held_lock+0x36/0x1c0
[  420.697306]  ? zap_class+0x640/0x640
[  420.701014]  ? pvclock_read_flags+0x160/0x160
[  420.705499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.711034]  ? check_preemption_disabled+0x48/0x280
[  420.716062]  ? __lock_is_held+0xb5/0x140
[  420.720118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.725651]  ? check_preemption_disabled+0x48/0x280
[  420.730663]  run_timer_softirq+0x52/0xb0
[  420.734717]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.739732]  __do_softirq+0x308/0xb7e
[  420.743545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.748050]  ? lock_downgrade+0x900/0x900
[  420.752373]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.757488]  ? pvclock_read_flags+0x160/0x160
[  420.761991]  ? lapic_next_event+0x5a/0x90
[  420.766133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.771666]  ? kvm_clock_read+0x18/0x30
[  420.775634]  ? kvm_sched_clock_read+0x9/0x20
[  420.780037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.785565]  ? check_preemption_disabled+0x48/0x280
[  420.790591]  irq_exit+0x17f/0x1c0
[  420.794041]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.798881]  ? smp_reschedule_interrupt+0x109/0x650
[  420.803893]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.809771]  ? interrupt_entry+0xb5/0xc0
[  420.813830]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.818840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.823853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.828692]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.833700]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.838726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.843592]  apic_timer_interrupt+0xf/0x20
[  420.847816]  </IRQ>
[  420.850051] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.855062] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  420.873957] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.881657] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.888920] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  420.896181] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  420.903442] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.910703] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  420.918025]  skb_clone+0x1bb/0x500
[  420.921559]  ? finish_task_switch+0x2f4/0x910
[  420.926048]  ? skb_split+0x11e0/0x11e0
[  420.929931]  ? preempt_notifier_register+0x200/0x200
[  420.935045]  ? __switch_to_asm+0x34/0x70
[  420.939096]  ? __switch_to_asm+0x34/0x70
[  420.943151]  ? __switch_to_asm+0x40/0x70
[  420.947204]  ? __switch_to_asm+0x34/0x70
[  420.951255]  ? __switch_to_asm+0x40/0x70
[  420.955310]  ? __switch_to_asm+0x34/0x70
[  420.959358]  ? __switch_to_asm+0x40/0x70
[  420.963408]  ? __switch_to_asm+0x34/0x70
[  420.967460]  ? __switch_to_asm+0x34/0x70
[  420.971515]  ? __switch_to_asm+0x40/0x70
[  420.975565]  ? __switch_to_asm+0x34/0x70
[  420.979620]  bpf_clone_redirect+0xb9/0x490
[  420.983848]  ? __schedule+0x8d7/0x21d0
[  420.987754]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  420.992770]  ? __sched_text_start+0x8/0x8
[  420.996914]  ? retint_kernel+0x2d/0x2d
[  421.000807]  ? find_held_lock+0x36/0x1c0
[  421.004869]  ? lock_acquire+0x1ed/0x520
[  421.008836]  ? bpf_test_run+0x3cb/0x780
[  421.012804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.018421]  ? check_preemption_disabled+0x48/0x280
[  421.023443]  ? kasan_check_read+0x11/0x20
[  421.027586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.032860]  ? rcu_softirq_qs+0x20/0x20
[  421.036846]  ? preempt_schedule+0x4d/0x60
[  421.040992]  ? ___preempt_schedule+0x16/0x18
[  421.045399]  ? bpf_test_run+0x25d/0x780
[  421.049392]  ? netlink_diag_dump+0x2a0/0x2a0
[  421.053795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.059328]  ? bpf_test_init.isra.10+0x70/0x100
[  421.063999]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  421.068761]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.073597]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.079131]  ? fput+0x130/0x1a0
[  421.082405]  ? __bpf_prog_get+0x9b/0x290
[  421.086463]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.091297]  ? bpf_prog_test_run+0x130/0x1a0
[  421.095700]  ? __x64_sys_bpf+0x3d8/0x520
[  421.099766]  ? bpf_prog_get+0x20/0x20
[  421.103592]  ? do_syscall_64+0x1b9/0x820
[  421.107645]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  421.113007]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.117931]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.122942]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  421.127956]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  421.134614]  ? __switch_to_asm+0x40/0x70
[  421.138671]  ? __switch_to_asm+0x34/0x70
[  421.142738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.147592]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  421.152969] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  421.152997] rcu: INFO: rcu_preempt self-detected stall on CPU
[  421.159900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.159907] Call Trace:
[  421.166026] rcu: 	1-...!: (87 ticks this GP) idle=cd2/1/0x4000000000000004 softirq=13744/13744 fqs=2 
[  421.175118]  <IRQ>
[  421.175135]  dump_stack+0x244/0x39d
[  421.175153]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.175176]  warn_alloc.cold.116+0xb7/0x1bd
[  421.175192]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.175209]  ? lock_downgrade+0x900/0x900
[  421.175229]  ? trace_hardirqs_off+0xb8/0x310
[  421.175248]  ? trace_hardirqs_off+0xb8/0x310
[  421.177967] rcu: 	 (t=10707 jiffies g=15973 q=3)
[  421.187335]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.189463] rcu: rcu_preempt kthread starved for 10156 jiffies! g15973 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  421.193096]  ? warn_alloc+0x120/0x120
[  421.198255] rcu: RCU grace-period kthread stack dump:
[  421.202561]  ? print_usage_bug+0xc0/0xc0
[  421.207372] rcu_preempt     R  running task    22696    10      2 0x80000000
[  421.211504]  ? warn_alloc+0x120/0x120
[  421.215883] Call Trace:
[  421.220276]  ? warn_alloc+0x120/0x120
[  421.225012]  __schedule+0x8cf/0x21d0
[  421.229834]  ? print_usage_bug+0xc0/0xc0
[  421.240301]  ? __sched_text_start+0x8/0x8
[  421.244080]  ? print_usage_bug+0xc0/0xc0
[  421.249256]  ? add_timer_on+0xa20/0xa20
[  421.253287]  ? __lock_acquire+0x62f/0x4c20
[  421.260449]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.264229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.266792]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.270568]  ? should_fail+0x22d/0xd01
[  421.274269]  ? trace_hardirqs_on+0xbd/0x310
[  421.278308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.282435]  ? kasan_check_read+0x11/0x20
[  421.286476]  ? __lock_acquire+0x62f/0x4c20
[  421.290430]  ? prepare_to_swait_event+0x25a/0x800
[  421.294640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.299721]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.305231]  ? __lock_acquire+0x62f/0x4c20
[  421.310312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.314176]  ? should_fail+0x22d/0xd01
[  421.318476]  schedule+0xfe/0x460
[  421.323555]  ? find_held_lock+0x36/0x1c0
[  421.327679]  ? __schedule+0x21d0/0x21d0
[  421.331915]  ? mark_held_locks+0x130/0x130
[  421.336756]  ? prepare_to_swait_event+0x25a/0x800
[  421.341834]  ? mark_held_locks+0x130/0x130
[  421.346934]  ? __init_swait_queue_head+0x150/0x150
[  421.351141]  ? zap_class+0x640/0x640
[  421.356224]  ? __lockdep_init_map+0x105/0x590
[  421.360093]  ? zap_class+0x640/0x640
[  421.363436]  ? lockdep_init_map+0x9/0x10
[  421.367487]  ? print_usage_bug+0xc0/0xc0
[  421.371445]  schedule_timeout+0x140/0x260
[  421.375656]  ? do_raw_spin_unlock+0xa7/0x330
[  421.380481]  ? usleep_range+0x1a0/0x1a0
[  421.384698]  ? zap_class+0x640/0x640
[  421.389605]  ? __next_timer_interrupt+0x1a0/0x1a0
[  421.393294]  ? print_usage_bug+0xc0/0xc0
[  421.397775]  rcu_gp_fqs_loop+0x762/0xa80
[  421.401460]  ? wq_watchdog_touch+0x9c/0xfe
[  421.405503]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  421.409543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.413668]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.418068]  ? check_preemption_disabled+0x48/0x280
[  421.422020]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.425720]  ? __lock_is_held+0xb5/0x140
[  421.430538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.434580]  __alloc_pages_nodemask+0xa80/0xde0
[  421.438623]  ? rcu_gp_init+0x90b/0x1260
[  421.442833]  ? zap_class+0x640/0x640
[  421.447575]  ? __switch_to_asm+0x34/0x70
[  421.453093]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.458182]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  421.463190]  ? find_held_lock+0x36/0x1c0
[  421.468613]  ? __switch_to_asm+0x40/0x70
[  421.472660]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.478171]  ? zap_class+0x640/0x640
[  421.482832]  ? lock_downgrade+0x900/0x900
[  421.486786]  ? find_held_lock+0x36/0x1c0
[  421.490486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.494523]  ? zap_class+0x640/0x640
[  421.499520]  cache_grow_begin+0xa5/0x8c0
[  421.504257]  ? __lock_is_held+0xb5/0x140
[  421.508290]  ? do_raw_spin_unlock+0xa7/0x330
[  421.512335]  ? __lock_is_held+0xb5/0x140
[  421.516985]  fallback_alloc+0x204/0x2e0
[  421.520673]  ? zap_class+0x640/0x640
[  421.524819]  ____cache_alloc_node+0x1c7/0x1e0
[  421.528858]  ? rcu_accelerate_cbs+0x10a/0xae0
[  421.534372]  kmem_cache_alloc_node+0xe3/0x730
[  421.538072]  ? find_held_lock+0x36/0x1c0
[  421.542105]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.546150]  ? rcu_gp_kthread+0x8cf/0xc70
[  421.550536]  __alloc_skb+0x119/0x770
[  421.554569]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.558522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.562210]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.566691]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.571163]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.575635]  ? lock_downgrade+0x900/0x900
[  421.579681]  ? trace_hardirqs_on+0xbd/0x310
[  421.583896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.588024]  ? kasan_check_read+0x11/0x20
[  421.591734]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.596206]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.601475]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.605945]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.610329]  ? addrconf_rs_timer+0x690/0x690
[  421.614887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.619020]  ndisc_alloc_skb+0x144/0x340
[  421.623323]  rcu_gp_kthread+0x341/0xc70
[  421.628833]  ndisc_send_rs+0x331/0x6e0
[  421.632957]  ? rcu_gp_init+0x1260/0x1260
[  421.638386]  addrconf_rs_timer+0x314/0x690
[  421.643467]  ? mark_held_locks+0x130/0x130
[  421.648895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.654319]  ? __schedule+0x168a/0x21d0
[  421.658706]  call_timer_fn+0x272/0x920
[  421.664232]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.668612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.672560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.676420]  ? process_timeout+0x40/0x40
[  421.680459]  ? trace_hardirqs_on+0xbd/0x310
[  421.684684]  ? mark_held_locks+0xc7/0x130
[  421.688890]  ? kasan_check_read+0x11/0x20
[  421.693104]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.697069]  ? __schedule+0x168a/0x21d0
[  421.700932]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.705405]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.709612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.714168]  ? lock_pin_lock+0x350/0x350
[  421.718207]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.722512]  ? _raw_spin_unlock_irq+0x60/0x80
[  421.726635]  ? trace_hardirqs_on+0xbd/0x310
[  421.730761]  ? __schedule+0x168a/0x21d0
[  421.735232]  ? kasan_check_read+0x11/0x20
[  421.735245]  ? __run_timers+0x7da/0xc70
[  421.739212]  ? __switch_to_asm+0x40/0x70
[  421.743692]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.748772]  ? __switch_to_asm+0x40/0x70
[  421.752999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.757043]  ? show_schedstat+0x721/0xf30
[  421.761609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.766087]  ? __sched_text_start+0x8/0x8
[  421.770381]  __run_timers+0x7e5/0xc70
[  421.774340]  ? find_held_lock+0x36/0x1c0
[  421.778471]  ? timer_fixup_init+0x70/0x70
[  421.782423]  ? __kthread_parkme+0xce/0x1a0
[  421.786457]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.791539]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.795579]  ? zap_class+0x640/0x640
[  421.799794]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.803927]  ? print_usage_bug+0xc0/0xc0
[  421.808141]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.812268]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.816051]  ? trace_hardirqs_on+0xbd/0x310
[  421.820096]  ? find_held_lock+0x36/0x1c0
[  421.824221]  ? kasan_check_read+0x11/0x20
[  421.828552]  ? zap_class+0x640/0x640
[  421.833550]  ? __kthread_parkme+0xce/0x1a0
[  421.838633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.842341]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.847435]  ? check_preemption_disabled+0x48/0x280
[  421.851481]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.856043]  ? __lock_is_held+0xb5/0x140
[  421.861213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.865511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.869548]  ? __kthread_parkme+0xfb/0x1a0
[  421.873703]  ? check_preemption_disabled+0x48/0x280
[  421.877393]  ? rcu_gp_init+0x1260/0x1260
[  421.881618]  run_timer_softirq+0x52/0xb0
[  421.887130]  kthread+0x35a/0x440
[  421.892210]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.897204]  ? kthread_stop+0x900/0x900
[  421.902286]  __do_softirq+0x308/0xb7e
[  421.906342]  ret_from_fork+0x3a/0x50
[  421.911857]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.917382] NMI backtrace for cpu 1
[  421.921580]  ? lock_downgrade+0x900/0x900
[  421.921597]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.971767]  ? pvclock_read_flags+0x160/0x160
[  421.976261]  ? lapic_next_event+0x5a/0x90
[  421.980423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.985956]  ? kvm_clock_read+0x18/0x30
[  421.989928]  ? kvm_sched_clock_read+0x9/0x20
[  421.994334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.999865]  ? check_preemption_disabled+0x48/0x280
[  422.004882]  irq_exit+0x17f/0x1c0
[  422.008328]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.013166]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.019042]  ? interrupt_entry+0xb5/0xc0
[  422.023099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.028133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.033183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.038023]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.043051]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.048061]  ? task_prio+0x50/0x50
[  422.051595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.057222]  ? check_preemption_disabled+0x48/0x280
[  422.062237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.067077]  apic_timer_interrupt+0xf/0x20
[  422.071296]  </IRQ>
[  422.073522] RIP: 0010:console_unlock+0x102f/0x1190
[  422.078443] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  422.097342] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  422.105062] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  422.112409] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  422.119708] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  422.126984] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  422.134244] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  422.141510]  ? netconsole_netdev_event+0x280/0x280
[  422.146434]  ? console_unlock+0x1026/0x1190
[  422.150761]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  422.155419]  ? vprintk_emit+0x846/0x990
[  422.159389]  ? lock_release+0xa00/0xa00
[  422.163357]  ? trace_hardirqs_on+0x60/0x310
[  422.167681]  ? vprintk_default+0x28/0x30
[  422.171737]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.176858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.182393]  vprintk_emit+0x391/0x990
[  422.186189]  ? wake_up_klogd+0x180/0x180
[  422.190247]  ? find_held_lock+0x1/0x1c0
[  422.194221]  ? mark_held_locks+0xc7/0x130
[  422.198766]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.203253]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.207745]  vprintk_default+0x28/0x30
[  422.211636]  vprintk_func+0x7e/0x181
[  422.215349]  printk+0xa7/0xcf
[  422.218447]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  422.223312]  ? _raw_spin_unlock_irq+0x60/0x80
[  422.227810]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  422.233086]  dump_header+0x7cc/0xf72
[  422.236799]  ? pagefault_out_of_memory+0x197/0x197
[  422.241732]  ? __lock_acquire+0x62f/0x4c20
[  422.245973]  ? percpu_ref_get_many+0x240/0x240
[  422.250565]  ? print_usage_bug+0xc0/0xc0
[  422.254631]  ? zap_class+0x640/0x640
[  422.258346]  ? print_usage_bug+0xc0/0xc0
[  422.262403]  ? zap_class+0x640/0x640
[  422.266214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.271746]  ? find_held_lock+0x36/0x1c0
[  422.275809]  ? mark_held_locks+0xc7/0x130
[  422.279952]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.285048]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.290148]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.294725]  ? trace_hardirqs_on+0xbd/0x310
[  422.299165]  ? kasan_check_read+0x11/0x20
[  422.303308]  ? ___ratelimit+0x3b4/0x672
[  422.307277]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.312377]  ? trace_hardirqs_on+0x310/0x310
[  422.316866]  ? lock_downgrade+0x900/0x900
[  422.321100]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.326194]  ? ___ratelimit+0x3b9/0x672
[  422.330188]  ? idr_get_free+0xf70/0xf70
[  422.334158]  ? find_held_lock+0x36/0x1c0
[  422.338221]  oom_kill_process.cold.27+0x10/0x903
[  422.342968]  ? zap_class+0x640/0x640
[  422.346680]  ? check_preemption_disabled+0x48/0x280
[  422.351692]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.356623]  ? kasan_check_read+0x11/0x20
[  422.360785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.366192]  ? oom_evaluate_task+0x540/0x540
[  422.370598]  ? find_held_lock+0x36/0x1c0
[  422.374668]  ? out_of_memory+0x974/0x1430
[  422.378809]  ? lock_downgrade+0x900/0x900
[  422.382951]  ? check_preemption_disabled+0x48/0x280
[  422.387963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.392887]  ? kasan_check_read+0x11/0x20
[  422.397027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.402296]  ? rcu_softirq_qs+0x20/0x20
[  422.406265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.411795]  ? oom_evaluate_task+0x302/0x540
[  422.416200]  out_of_memory+0xa84/0x1430
[  422.420174]  ? oom_killer_disable+0x3a0/0x3a0
[  422.424667]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  422.429593]  ? __ww_mutex_check_waiters+0x160/0x160
[  422.434625]  __alloc_pages_slowpath+0x2354/0x2e10
[  422.439499]  ? warn_alloc+0x120/0x120
[  422.443291]  ? mark_held_locks+0x130/0x130
[  422.447525]  ? find_get_entry+0xaae/0x1120
[  422.451758]  ? filemap_map_pages+0x1a20/0x1a20
[  422.456342]  ? zap_class+0x640/0x640
[  422.460057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.465589]  ? check_preemption_disabled+0x48/0x280
[  422.470623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.476158]  ? should_fail+0x22d/0xd01
[  422.480061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.485159]  ? zap_class+0x640/0x640
[  422.488890]  ? __lock_is_held+0xb5/0x140
[  422.492955]  ? mark_held_locks+0x130/0x130
[  422.497191]  ? lock_release+0xa00/0xa00
[  422.501159]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.506609]  ? xa_load+0x2ba/0x460
[  422.510144]  ? lock_downgrade+0x900/0x900
[  422.514286]  ? __might_sleep+0x95/0x190
[  422.518258]  __alloc_pages_nodemask+0xa80/0xde0
[  422.522928]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.527938]  ? __page_cache_alloc+0x191/0x5c0
[  422.532422]  ? xa_load+0x2e1/0x460
[  422.535956]  ? xa_clear_mark+0x40/0x40
[  422.539841]  ? zap_class+0x640/0x640
[  422.543559]  ? zap_class+0x640/0x640
[  422.547275]  ? zap_class+0x640/0x640
[  422.550982]  ? __do_page_cache_readahead+0x663/0x810
[  422.556081]  ? find_held_lock+0x36/0x1c0
[  422.560139]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  422.565680]  alloc_pages_current+0x173/0x350
[  422.570088]  __page_cache_alloc+0x38c/0x5c0
[  422.574398]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.579318]  ? kasan_check_read+0x11/0x20
[  422.583476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.588748]  ? generic_perform_write+0x6a0/0x6a0
[  422.593498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.599030]  ? check_preemption_disabled+0x48/0x280
[  422.604049]  filemap_fault+0x1595/0x25f0
[  422.608112]  ? __lock_page_or_retry+0xa00/0xa00
[  422.612779]  ? mark_held_locks+0x130/0x130
[  422.617020]  ? filemap_map_pages+0xd6b/0x1a20
[  422.621509]  ? lock_downgrade+0x900/0x900
[  422.625653]  ? check_preemption_disabled+0x48/0x280
[  422.630664]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.635593]  ? kasan_check_read+0x11/0x20
[  422.639734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.645001]  ? rcu_softirq_qs+0x20/0x20
[  422.648980]  ? filemap_map_pages+0xd92/0x1a20
[  422.653470]  ? print_usage_bug+0xc0/0xc0
[  422.657528]  ? find_get_entries_tag+0x1400/0x1400
[  422.662361]  ? __kasan_slab_free+0x102/0x150
[  422.666762]  ? kasan_slab_free+0xe/0x10
[  422.670823]  ? kmem_cache_free+0x83/0x290
[  422.674965]  ? __sigqueue_free.part.29+0x74/0x90
[  422.679725]  ? lock_acquire+0x1ed/0x520
[  422.683714]  ? ext4_filemap_fault+0x7a/0xad
[  422.688039]  ? lock_release+0xa00/0xa00
[  422.692008]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.697450]  ? print_usage_bug+0xc0/0xc0
[  422.701503]  ? print_usage_bug+0xc0/0xc0
[  422.705566]  ? down_read+0x8d/0x120
[  422.709191]  ? ext4_filemap_fault+0x7a/0xad
[  422.713506]  ? __down_interruptible+0x700/0x700
[  422.718176]  ext4_filemap_fault+0x82/0xad
[  422.722319]  __do_fault+0x100/0x6b0
[  422.725943]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.731064]  ? mark_held_locks+0x130/0x130
[  422.736860]  ? mark_held_locks+0x130/0x130
[  422.741088]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  422.746626]  ? rcu_pm_notify+0xc0/0xc0
[  422.750516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.756053]  __handle_mm_fault+0x3ea0/0x5be0
[  422.760461]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  422.765293]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.769784]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.774358]  ? trace_hardirqs_on+0xbd/0x310
[  422.778680]  ? kasan_check_read+0x11/0x20
[  422.782821]  ? __set_current_blocked+0xdf/0x120
[  422.787482]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.792604]  ? zap_class+0x640/0x640
[  422.796312]  ? zap_class+0x640/0x640
[  422.800023]  ? find_held_lock+0x36/0x1c0
[  422.804083]  ? handle_mm_fault+0x42a/0xc70
[  422.808327]  ? lock_downgrade+0x900/0x900
[  422.812468]  ? check_preemption_disabled+0x48/0x280
[  422.817480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.822403]  ? kasan_check_read+0x11/0x20
[  422.826554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.831827]  ? rcu_softirq_qs+0x20/0x20
[  422.835797]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.840892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.846420]  ? check_preemption_disabled+0x48/0x280
[  422.851430]  handle_mm_fault+0x54f/0xc70
[  422.855490]  ? __handle_mm_fault+0x5be0/0x5be0
[  422.860081]  ? find_vma+0x34/0x190
[  422.863624]  __do_page_fault+0x5e8/0xe60
[  422.867679]  ? exit_to_usermode_loop+0x1f4/0x380
[  422.872432]  do_page_fault+0xf2/0x7e0
[  422.876233]  ? vmalloc_sync_all+0x30/0x30
[  422.880375]  ? error_entry+0x70/0xd0
[  422.884082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.889089]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.894009]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.898929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.903771]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.908782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.914248]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.919256]  ? page_fault+0x8/0x30
[  422.922805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.927644]  ? page_fault+0x8/0x30
[  422.931188]  page_fault+0x1e/0x30
[  422.934631] RIP: 0033:0x45db60
[  422.937829] Code: Bad RIP value.
[  422.941182] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  422.946537] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  422.953804] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  422.961078] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  422.968342] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  422.975613] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  422.982892] warn_alloc_show_mem: 1 callbacks suppressed
[  422.982901] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  422.982902] Mem-Info:
[  422.982931] active_anon:48041 inactive_anon:196 isolated_anon:0
[  422.982931]  active_file:13 inactive_file:15 isolated_file:0
[  422.982931]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.982931]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  422.982931]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  422.982931]  free:13795 free_pcp:455 free_cma:0
[  422.988265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.995536] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.997926] Call Trace:
[  423.030776] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.040120]  <IRQ>
[  423.067511] lowmem_reserve[]: 0 2818 6321 6321
[  423.070089]  dump_stack+0x244/0x39d
[  423.096166] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  423.098317]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.102860] lowmem_reserve[]: 0 0 3503 3503
[  423.106483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.134225] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  423.139401]  ? do_raw_spin_lock+0x14f/0x350
[  423.143687] lowmem_reserve[]: 0 0 0 0
[  423.149215]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  423.178173] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  423.182483]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  423.186251] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  423.190921]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  423.204442] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  423.209626]  arch_trigger_cpumask_backtrace+0x14/0x20
[  423.225816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.231071]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  423.246219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.251395]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  423.260200] 272 total pagecache pages
[  423.264597]  ? print_other_cpu_stall+0x160/0x160
[  423.273154] 0 pages in swap cache
[  423.277889]  ? print_usage_bug+0xc0/0xc0
[  423.281661] Swap cache stats: add 0, delete 0, find 0/0
[  423.286398]  ? kasan_check_read+0x11/0x20
[  423.289819] Free swap  = 0kB
[  423.293868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.299198] Total swap = 0kB
[  423.299205] 1965979 pages RAM
[  423.303336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.306322] 0 pages HighMem/MovableOnly
[  423.306329] 342853 pages reserved
[  423.311850]  ? do_trace_rcu_torture_read+0x10/0x10
[  423.314836] 0 pages cma reserved
[  423.317930]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  423.323489] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.327390]  ? __lock_is_held+0xb5/0x140
[  423.327405]  ? __rcu_read_lock+0x50/0x50
[  423.330879] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.335744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.339083] syz-fuzzer cpuset=/ mems_allowed=0
[  423.344346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.384716]  ? check_preemption_disabled+0x48/0x280
[  423.389735]  rcu_check_callbacks+0xf3b/0x13f0
[  423.394240]  ? rcutree_dead_cpu+0x10/0x10
[  423.398381]  ? lock_downgrade+0x900/0x900
[  423.402536]  ? lock_release+0x930/0xa00
[  423.406512]  ? zap_class+0x640/0x640
[  423.410228]  ? mark_held_locks+0x130/0x130
[  423.414458]  ? zap_class+0x640/0x640
[  423.418170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.423729]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  423.428740]  ? kvm_set_tsc_khz+0x540/0x540
[  423.432967]  ? warn_alloc.cold.116+0xd1/0x1bd
[  423.437460]  ? find_held_lock+0x36/0x1c0
[  423.441533]  ? zap_class+0x640/0x640
[  423.445244]  ? timekeeping_advance+0x3cc/0xc00
[  423.449828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.455359]  ? check_preemption_disabled+0x48/0x280
[  423.460388]  ? trace_hardirqs_off+0xb8/0x310
[  423.464806]  ? __lock_is_held+0xb5/0x140
[  423.468865]  ? trace_hardirqs_on+0x310/0x310
[  423.473272]  ? check_preemption_disabled+0x48/0x280
[  423.478635]  ? raise_softirq+0x199/0x420
[  423.482691]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  423.487357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.492893]  ? check_preemption_disabled+0x48/0x280
[  423.497925]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.503471]  ? hrtimer_run_queues+0x9a/0x400
[  423.507876]  ? run_local_timers+0x19b/0x230
[  423.512191]  ? timer_clear_idle+0x90/0x90
[  423.516333]  ? debug_smp_processor_id+0x1c/0x20
[  423.521001]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  423.526971]  ? account_process_tick+0x282/0x350
[  423.531641]  update_process_times+0x2d/0x70
[  423.535958]  tick_sched_handle+0x9f/0x180
[  423.540100]  tick_sched_timer+0x45/0x130
[  423.544157]  __hrtimer_run_queues+0x41c/0x10d0
[  423.548747]  ? tick_sched_do_timer+0x1a0/0x1a0
[  423.553323]  ? hrtimer_start_range_ns+0xe00/0xe00
[  423.558162]  ? pvclock_read_flags+0x160/0x160
[  423.562669]  ? trace_hardirqs_on+0x310/0x310
[  423.567164]  ? kvm_clock_read+0x18/0x30
[  423.571129]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.576134]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  423.581488]  ? do_timer+0x50/0x50
[  423.584939]  ? rwlock_bug.part.2+0x90/0x90
[  423.589163]  ? trace_hardirqs_on+0x310/0x310
[  423.593569]  ? rcu_softirq_qs+0x20/0x20
[  423.597561]  hrtimer_interrupt+0x313/0x780
[  423.601808]  smp_apic_timer_interrupt+0x1a1/0x760
[  423.606649]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.612540]  ? interrupt_entry+0xb5/0xc0
[  423.616690]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.621700]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.626362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.631195]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.636211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.641057]  apic_timer_interrupt+0xf/0x20
[  423.645283] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  423.650641] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 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 d2 ac
[  423.669538] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.677238] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10037d969d1
[  423.684504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  423.691767] RBP: ffff8801daf074c0 R08: ffff8801becb4e88 R09: 0000000000000002
[  423.699027] R10: 0000000000000000 R11: ffff8801becb45c0 R12: ffff8801d9a1c0c0
[  423.706293] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286
[  423.713594]  ? apic_timer_interrupt+0xa/0x20
[  423.718015]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.722253]  __alloc_skb+0x119/0x770
[  423.725956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.731261]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.735664]  ? lock_downgrade+0x900/0x900
[  423.739812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.745343]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.750807]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.756253]  ? addrconf_rs_timer+0x690/0x690
[  423.760681]  ndisc_alloc_skb+0x144/0x340
[  423.764738]  ndisc_send_rs+0x331/0x6e0
[  423.768627]  addrconf_rs_timer+0x314/0x690
[  423.772858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.777108]  call_timer_fn+0x272/0x920
[  423.780987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.785214]  ? process_timeout+0x40/0x40
[  423.789275]  ? __run_timers+0x7da/0xc70
[  423.793245]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.797732]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.802220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.806453]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.811031]  ? trace_hardirqs_on+0xbd/0x310
[  423.815350]  ? kasan_check_read+0x11/0x20
[  423.819498]  ? __run_timers+0x7da/0xc70
[  423.823466]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.828574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.832807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.837056]  __run_timers+0x7e5/0xc70
[  423.840859]  ? timer_fixup_init+0x70/0x70
[  423.845003]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.850018]  ? zap_class+0x640/0x640
[  423.853734]  ? enqueue_hrtimer+0x1a5/0x560
[  423.857966]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.863155]  ? find_held_lock+0x36/0x1c0
[  423.867214]  ? zap_class+0x640/0x640
[  423.870921]  ? pvclock_read_flags+0x160/0x160
[  423.875415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.880948]  ? check_preemption_disabled+0x48/0x280
[  423.885964]  ? __lock_is_held+0xb5/0x140
[  423.890036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.895570]  ? check_preemption_disabled+0x48/0x280
[  423.900595]  run_timer_softirq+0x52/0xb0
[  423.904651]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.909660]  __do_softirq+0x308/0xb7e
[  423.913458]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.917949]  ? lock_downgrade+0x900/0x900
[  423.922095]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.927217]  ? pvclock_read_flags+0x160/0x160
[  423.931708]  ? lapic_next_event+0x5a/0x90
[  423.935857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.941407]  ? kvm_clock_read+0x18/0x30
[  423.945463]  ? kvm_sched_clock_read+0x9/0x20
[  423.949875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.955501]  ? check_preemption_disabled+0x48/0x280
[  423.960526]  irq_exit+0x17f/0x1c0
[  423.963973]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.968810]  ? smp_reschedule_interrupt+0x109/0x650
[  423.973829]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.979969]  ? interrupt_entry+0xb5/0xc0
[  423.984026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.989038]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.994051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.998898]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.003912]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.008934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.013778]  apic_timer_interrupt+0xf/0x20
[  424.018002]  </IRQ>
[  424.020242] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.025164] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  424.044058] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.051760] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.059037] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  424.066298] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  424.073563] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.081448] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  424.088756]  skb_clone+0x1bb/0x500
[  424.092306]  ? finish_task_switch+0x2f4/0x910
[  424.096805]  ? skb_split+0x11e0/0x11e0
[  424.100688]  ? preempt_notifier_register+0x200/0x200
[  424.105781]  ? __switch_to_asm+0x34/0x70
[  424.109833]  ? __switch_to_asm+0x34/0x70
[  424.113888]  ? __switch_to_asm+0x40/0x70
[  424.117942]  ? __switch_to_asm+0x34/0x70
[  424.121992]  ? __switch_to_asm+0x40/0x70
[  424.126046]  ? __switch_to_asm+0x34/0x70
[  424.130101]  ? __switch_to_asm+0x40/0x70
[  424.134154]  ? __switch_to_asm+0x34/0x70
[  424.138206]  ? __switch_to_asm+0x34/0x70
[  424.142257]  ? __switch_to_asm+0x40/0x70
[  424.146311]  ? __switch_to_asm+0x34/0x70
[  424.150368]  bpf_clone_redirect+0xb9/0x490
[  424.154596]  ? __schedule+0x8d7/0x21d0
[  424.158487]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  424.163507]  ? __sched_text_start+0x8/0x8
[  424.167670]  ? retint_kernel+0x2d/0x2d
[  424.171562]  ? find_held_lock+0x36/0x1c0
[  424.176143]  ? lock_acquire+0x1ed/0x520
[  424.180108]  ? bpf_test_run+0x3cb/0x780
[  424.184078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.189612]  ? check_preemption_disabled+0x48/0x280
[  424.194625]  ? kasan_check_read+0x11/0x20
[  424.199298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.204570]  ? rcu_softirq_qs+0x20/0x20
[  424.208542]  ? preempt_schedule+0x4d/0x60
[  424.212685]  ? ___preempt_schedule+0x16/0x18
[  424.217095]  ? bpf_test_run+0x25d/0x780
[  424.221074]  ? netlink_diag_dump+0x2a0/0x2a0
[  424.225482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.231015]  ? bpf_test_init.isra.10+0x70/0x100
[  424.235682]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  424.240438]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.245282]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.250813]  ? fput+0x130/0x1a0
[  424.254092]  ? __bpf_prog_get+0x9b/0x290
[  424.258150]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.262988]  ? bpf_prog_test_run+0x130/0x1a0
[  424.267415]  ? __x64_sys_bpf+0x3d8/0x520
[  424.271475]  ? bpf_prog_get+0x20/0x20
[  424.275299]  ? do_syscall_64+0x1b9/0x820
[  424.279356]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.284713]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.289639]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.294653]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.299665]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  424.306323]  ? __switch_to_asm+0x40/0x70
[  424.310378]  ? __switch_to_asm+0x34/0x70
[  424.314439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.319297]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.324687] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  424.325006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.331609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.331616] Call Trace:
[  424.338165] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.347428]  <IRQ>
[  424.350000] syz-executor4 cpuset=syz4 mems_allowed=0
[  424.360482]  dump_stack+0x244/0x39d
[  424.371464]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.376671]  warn_alloc.cold.116+0xb7/0x1bd
[  424.381608]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.386455]  ? lock_downgrade+0x900/0x900
[  424.390606]  ? trace_hardirqs_off+0xb8/0x310
[  424.395013]  ? trace_hardirqs_off+0xb8/0x310
[  424.399422]  __alloc_pages_slowpath+0x26e8/0x2e10
[  424.404285]  ? warn_alloc+0x120/0x120
[  424.408082]  ? print_usage_bug+0xc0/0xc0
[  424.412135]  ? warn_alloc+0x120/0x120
[  424.415931]  ? warn_alloc+0x120/0x120
[  424.419730]  ? print_usage_bug+0xc0/0xc0
[  424.423797]  ? print_usage_bug+0xc0/0xc0
[  424.427862]  ? __lock_acquire+0x62f/0x4c20
[  424.432096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.438154]  ? should_fail+0x22d/0xd01
[  424.442046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.447145]  ? __lock_acquire+0x62f/0x4c20
[  424.451379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.456474]  ? __lock_acquire+0x62f/0x4c20
[  424.460710]  ? should_fail+0x22d/0xd01
[  424.464589]  ? find_held_lock+0x36/0x1c0
[  424.468651]  ? mark_held_locks+0x130/0x130
[  424.472890]  ? mark_held_locks+0x130/0x130
[  424.477118]  ? zap_class+0x640/0x640
[  424.480830]  ? zap_class+0x640/0x640
[  424.484543]  ? print_usage_bug+0xc0/0xc0
[  424.488597]  ? do_raw_spin_unlock+0xa7/0x330
[  424.493014]  ? zap_class+0x640/0x640
[  424.496722]  ? print_usage_bug+0xc0/0xc0
[  424.500776]  ? wq_watchdog_touch+0x9c/0xfe
[  424.505007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.510542]  ? check_preemption_disabled+0x48/0x280
[  424.515562]  ? __lock_is_held+0xb5/0x140
[  424.519623]  __alloc_pages_nodemask+0xa80/0xde0
[  424.524288]  ? zap_class+0x640/0x640
[  424.528000]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.533024]  ? find_held_lock+0x36/0x1c0
[  424.537091]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.541754]  ? lock_downgrade+0x900/0x900
[  424.545906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.551450]  cache_grow_begin+0xa5/0x8c0
[  424.555507]  ? do_raw_spin_unlock+0xa7/0x330
[  424.559918]  fallback_alloc+0x204/0x2e0
[  424.563889]  ____cache_alloc_node+0x1c7/0x1e0
[  424.568381]  kmem_cache_alloc_node+0xe3/0x730
[  424.572866]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.577101]  __alloc_skb+0x119/0x770
[  424.580810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.586085]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.590493]  ? lock_downgrade+0x900/0x900
[  424.594643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.600173]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.605618]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.611062]  ? addrconf_rs_timer+0x690/0x690
[  424.615499]  ndisc_alloc_skb+0x144/0x340
[  424.619557]  ndisc_send_rs+0x331/0x6e0
[  424.623451]  addrconf_rs_timer+0x314/0x690
[  424.627687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.631920]  call_timer_fn+0x272/0x920
[  424.635798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.640031]  ? process_timeout+0x40/0x40
[  424.644091]  ? mark_held_locks+0xc7/0x130
[  424.648236]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.652727]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.657212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.661495]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.666074]  ? trace_hardirqs_on+0xbd/0x310
[  424.670385]  ? kasan_check_read+0x11/0x20
[  424.674524]  ? __run_timers+0x7da/0xc70
[  424.678495]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.683597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.687831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.692057]  __run_timers+0x7e5/0xc70
[  424.695859]  ? timer_fixup_init+0x70/0x70
[  424.700002]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.705014]  ? zap_class+0x640/0x640
[  424.708727]  ? print_usage_bug+0xc0/0xc0
[  424.712787]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.717977]  ? find_held_lock+0x36/0x1c0
[  424.722056]  ? zap_class+0x640/0x640
[  424.725772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.731303]  ? check_preemption_disabled+0x48/0x280
[  424.736320]  ? __lock_is_held+0xb5/0x140
[  424.740376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.745903]  ? check_preemption_disabled+0x48/0x280
[  424.750934]  run_timer_softirq+0x52/0xb0
[  424.754990]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.759998]  __do_softirq+0x308/0xb7e
[  424.763792]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.768287]  ? lock_downgrade+0x900/0x900
[  424.772431]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.777539]  ? pvclock_read_flags+0x160/0x160
[  424.782031]  ? lapic_next_event+0x5a/0x90
[  424.786176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.791718]  ? kvm_clock_read+0x18/0x30
[  424.795704]  ? kvm_sched_clock_read+0x9/0x20
[  424.800106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.805636]  ? check_preemption_disabled+0x48/0x280
[  424.810651]  irq_exit+0x17f/0x1c0
[  424.814098]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.818939]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.824818]  ? interrupt_entry+0xb5/0xc0
[  424.828875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.833887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.838898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.843744]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.848751]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.853803]  ? task_prio+0x50/0x50
[  424.857341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.862872]  ? check_preemption_disabled+0x48/0x280
[  424.867886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.872728]  apic_timer_interrupt+0xf/0x20
[  424.876964]  </IRQ>
[  424.879196] RIP: 0010:console_unlock+0x102f/0x1190
[  424.884122] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  424.903017] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  424.911500] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  424.918775] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  424.926051] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  424.933339] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  424.940602] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  424.947873]  ? netconsole_netdev_event+0x280/0x280
[  424.952801]  ? console_unlock+0x1026/0x1190
[  424.957128]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  424.961786]  ? vprintk_emit+0x846/0x990
[  424.965758]  ? lock_release+0xa00/0xa00
[  424.969725]  ? trace_hardirqs_on+0x60/0x310
[  424.974039]  ? vprintk_default+0x28/0x30
[  424.978093]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.983195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.988734]  vprintk_emit+0x391/0x990
[  424.992534]  ? wake_up_klogd+0x180/0x180
[  424.996597]  ? find_held_lock+0x1/0x1c0
[  425.000599]  ? mark_held_locks+0xc7/0x130
[  425.004760]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.009252]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.013768]  vprintk_default+0x28/0x30
[  425.017650]  vprintk_func+0x7e/0x181
[  425.021360]  printk+0xa7/0xcf
[  425.024468]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  425.029222]  ? _raw_spin_unlock_irq+0x60/0x80
[  425.033717]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  425.038995]  dump_header+0x7cc/0xf72
[  425.042713]  ? pagefault_out_of_memory+0x197/0x197
[  425.047650]  ? __lock_acquire+0x62f/0x4c20
[  425.051899]  ? percpu_ref_get_many+0x240/0x240
[  425.056478]  ? print_usage_bug+0xc0/0xc0
[  425.060536]  ? zap_class+0x640/0x640
[  425.064249]  ? print_usage_bug+0xc0/0xc0
[  425.068308]  ? zap_class+0x640/0x640
[  425.072017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.077554]  ? find_held_lock+0x36/0x1c0
[  425.081616]  ? mark_held_locks+0xc7/0x130
[  425.085757]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.090853]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.095946]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.100522]  ? trace_hardirqs_on+0xbd/0x310
[  425.104835]  ? kasan_check_read+0x11/0x20
[  425.108976]  ? ___ratelimit+0x3b4/0x672
[  425.112948]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.118046]  ? trace_hardirqs_on+0x310/0x310
[  425.122455]  ? lock_downgrade+0x900/0x900
[  425.126601]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.131697]  ? ___ratelimit+0x3b9/0x672
[  425.135670]  ? idr_get_free+0xf70/0xf70
[  425.139640]  ? find_held_lock+0x36/0x1c0
[  425.143703]  oom_kill_process.cold.27+0x10/0x903
[  425.148455]  ? zap_class+0x640/0x640
[  425.152163]  ? check_preemption_disabled+0x48/0x280
[  425.157173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.162094]  ? kasan_check_read+0x11/0x20
[  425.166238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.171510]  ? oom_evaluate_task+0x540/0x540
[  425.175915]  ? find_held_lock+0x36/0x1c0
[  425.179979]  ? out_of_memory+0x974/0x1430
[  425.184127]  ? lock_downgrade+0x900/0x900
[  425.188271]  ? check_preemption_disabled+0x48/0x280
[  425.193281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.198592]  ? kasan_check_read+0x11/0x20
[  425.202732]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.208002]  ? rcu_softirq_qs+0x20/0x20
[  425.211972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.217501]  ? oom_evaluate_task+0x302/0x540
[  425.221909]  out_of_memory+0xa84/0x1430
[  425.225885]  ? oom_killer_disable+0x3a0/0x3a0
[  425.230383]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  425.235311]  ? __ww_mutex_check_waiters+0x160/0x160
[  425.240331]  __alloc_pages_slowpath+0x2354/0x2e10
[  425.245191]  ? warn_alloc+0x120/0x120
[  425.248986]  ? mark_held_locks+0x130/0x130
[  425.253215]  ? find_get_entry+0xaae/0x1120
[  425.257450]  ? filemap_map_pages+0x1a20/0x1a20
[  425.262031]  ? zap_class+0x640/0x640
[  425.265742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.271275]  ? check_preemption_disabled+0x48/0x280
[  425.276285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.281813]  ? should_fail+0x22d/0xd01
[  425.285701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.290799]  ? zap_class+0x640/0x640
[  425.294531]  ? __lock_is_held+0xb5/0x140
[  425.298592]  ? mark_held_locks+0x130/0x130
[  425.302821]  ? lock_release+0xa00/0xa00
[  425.306786]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.312228]  ? xa_load+0x2ba/0x460
[  425.315765]  ? lock_downgrade+0x900/0x900
[  425.319922]  ? __might_sleep+0x95/0x190
[  425.323894]  __alloc_pages_nodemask+0xa80/0xde0
[  425.328565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.333578]  ? __page_cache_alloc+0x191/0x5c0
[  425.338065]  ? xa_load+0x2e1/0x460
[  425.341603]  ? xa_clear_mark+0x40/0x40
[  425.345488]  ? zap_class+0x640/0x640
[  425.349203]  ? zap_class+0x640/0x640
[  425.352910]  ? zap_class+0x640/0x640
[  425.356616]  ? __do_page_cache_readahead+0x663/0x810
[  425.361722]  ? find_held_lock+0x36/0x1c0
[  425.365783]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  425.371323]  alloc_pages_current+0x173/0x350
[  425.375732]  __page_cache_alloc+0x38c/0x5c0
[  425.380044]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.384965]  ? kasan_check_read+0x11/0x20
[  425.389106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.394387]  ? generic_perform_write+0x6a0/0x6a0
[  425.399142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.404678]  ? check_preemption_disabled+0x48/0x280
[  425.409694]  filemap_fault+0x1595/0x25f0
[  425.413764]  ? __lock_page_or_retry+0xa00/0xa00
[  425.418435]  ? mark_held_locks+0x130/0x130
[  425.424147]  ? filemap_map_pages+0xd6b/0x1a20
[  425.428642]  ? lock_downgrade+0x900/0x900
[  425.432785]  ? check_preemption_disabled+0x48/0x280
[  425.437797]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.442720]  ? kasan_check_read+0x11/0x20
[  425.446865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.452137]  ? rcu_softirq_qs+0x20/0x20
[  425.456116]  ? filemap_map_pages+0xd92/0x1a20
[  425.460610]  ? print_usage_bug+0xc0/0xc0
[  425.464692]  ? find_get_entries_tag+0x1400/0x1400
[  425.469529]  ? __kasan_slab_free+0x102/0x150
[  425.473932]  ? kasan_slab_free+0xe/0x10
[  425.477898]  ? kmem_cache_free+0x83/0x290
[  425.482057]  ? __sigqueue_free.part.29+0x74/0x90
[  425.486821]  ? lock_acquire+0x1ed/0x520
[  425.490798]  ? ext4_filemap_fault+0x7a/0xad
[  425.495119]  ? lock_release+0xa00/0xa00
[  425.499084]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.504530]  ? print_usage_bug+0xc0/0xc0
[  425.508590]  ? print_usage_bug+0xc0/0xc0
[  425.512657]  ? down_read+0x8d/0x120
[  425.516280]  ? ext4_filemap_fault+0x7a/0xad
[  425.520597]  ? __down_interruptible+0x700/0x700
[  425.525267]  ext4_filemap_fault+0x82/0xad
[  425.529412]  __do_fault+0x100/0x6b0
[  425.533035]  ? pmd_devmap_trans_unstable+0x220/0x220
[  425.538152]  ? mark_held_locks+0x130/0x130
[  425.542382]  ? mark_held_locks+0x130/0x130
[  425.546619]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  425.552150]  ? rcu_pm_notify+0xc0/0xc0
[  425.556039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.561573]  __handle_mm_fault+0x3ea0/0x5be0
[  425.565981]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  425.570817]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.575319]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.579926]  ? trace_hardirqs_on+0xbd/0x310
[  425.584240]  ? kasan_check_read+0x11/0x20
[  425.588385]  ? __set_current_blocked+0xdf/0x120
[  425.593075]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.598179]  ? zap_class+0x640/0x640
[  425.601884]  ? zap_class+0x640/0x640
[  425.605598]  ? find_held_lock+0x36/0x1c0
[  425.609676]  ? handle_mm_fault+0x42a/0xc70
[  425.613909]  ? lock_downgrade+0x900/0x900
[  425.618052]  ? check_preemption_disabled+0x48/0x280
[  425.623064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.627982]  ? kasan_check_read+0x11/0x20
[  425.632124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.637400]  ? rcu_softirq_qs+0x20/0x20
[  425.641392]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.646490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.652019]  ? check_preemption_disabled+0x48/0x280
[  425.657049]  handle_mm_fault+0x54f/0xc70
[  425.661132]  ? __handle_mm_fault+0x5be0/0x5be0
[  425.665713]  ? find_vma+0x34/0x190
[  425.669255]  __do_page_fault+0x5e8/0xe60
[  425.673310]  ? exit_to_usermode_loop+0x1f4/0x380
[  425.678073]  do_page_fault+0xf2/0x7e0
[  425.681869]  ? vmalloc_sync_all+0x30/0x30
[  425.686009]  ? error_entry+0x70/0xd0
[  425.689716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.694726]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.699648]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.704571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.709426]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.714434]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.719882]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.724896]  ? page_fault+0x8/0x30
[  425.728433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.733275]  ? page_fault+0x8/0x30
[  425.736811]  page_fault+0x1e/0x30
[  425.740259] RIP: 0033:0x45db60
[  425.743463] Code: Bad RIP value.
[  425.746818] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  425.752172] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  425.759433] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  425.766707] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  425.773964] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  425.781223] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  425.788516] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  425.788518] Mem-Info:
[  425.788547] active_anon:48041 inactive_anon:196 isolated_anon:0
[  425.788547]  active_file:13 inactive_file:15 isolated_file:0
[  425.788547]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.788547]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  425.788547]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  425.788547]  free:13795 free_pcp:455 free_cma:0
[  425.795797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.795804] Call Trace:
[  425.798232] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.831170]  <IRQ>
[  425.840505] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  425.843081]  dump_stack+0x244/0x39d
[  425.870468] lowmem_reserve[]: 0 2818 6321 6321
[  425.872615]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.898705] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  425.902334]  warn_alloc.cold.116+0xb7/0x1bd
[  425.906875] lowmem_reserve[]: 0 0 3503 3503
[  425.912054]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.939792] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  425.944106]  ? lock_downgrade+0x900/0x900
[  425.948393] lowmem_reserve[]: 0 0 0 0
[  425.953250]  ? trace_hardirqs_off+0xb8/0x310
[  425.982298] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  425.986444]  ? trace_hardirqs_off+0xb8/0x310
[  425.990216] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  425.994625]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.008113] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  426.012537]  ? warn_alloc+0x120/0x120
[  426.028709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.033533]  ? print_usage_bug+0xc0/0xc0
[  426.048683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.052464]  ? warn_alloc+0x120/0x120
[  426.061270] 272 total pagecache pages
[  426.065336]  ? warn_alloc+0x120/0x120
[  426.073891] 0 pages in swap cache
[  426.077670]  ? print_usage_bug+0xc0/0xc0
[  426.081442] Swap cache stats: add 0, delete 0, find 0/0
[  426.085224]  ? kvm_clock_read+0x18/0x30
[  426.088650] Free swap  = 0kB
[  426.092699]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  426.098035] Total swap = 0kB
[  426.101994]  ? print_usage_bug+0xc0/0xc0
[  426.104980] 1965979 pages RAM
[  426.109980]  ? __lock_acquire+0x62f/0x4c20
[  426.112971] 0 pages HighMem/MovableOnly
[  426.117046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.120114] 342853 pages reserved
[  426.120120] 0 pages cma reserved
[  426.124343]  ? should_fail+0x22d/0xd01
[  426.128379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.133826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.133848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.133863]  ? __lock_acquire+0x62f/0x4c20
[  426.137367] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.140663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.144522] syz-fuzzer cpuset=/ mems_allowed=0
[  426.150995]  ? __lock_acquire+0x62f/0x4c20
[  426.151009]  ? should_fail+0x22d/0xd01
[  426.193522]  ? rcu_irq_exit+0x1a2/0x390
[  426.197741]  ? mark_held_locks+0x130/0x130
[  426.201974]  ? mark_held_locks+0x130/0x130
[  426.206235]  ? mark_held_locks+0xc7/0x130
[  426.210378]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  426.215391]  ? zap_class+0x640/0x640
[  426.219098]  ? print_usage_bug+0xc0/0xc0
[  426.223158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.228691]  ? check_preemption_disabled+0x48/0x280
[  426.233725]  ? __lock_is_held+0xb5/0x140
[  426.237783]  __alloc_pages_nodemask+0xa80/0xde0
[  426.242453]  ? zap_class+0x640/0x640
[  426.246164]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.251183]  ? find_held_lock+0x36/0x1c0
[  426.255264]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.259937]  ? lock_downgrade+0x900/0x900
[  426.264082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.269617]  cache_grow_begin+0xa5/0x8c0
[  426.273673]  ? do_raw_spin_unlock+0xa7/0x330
[  426.278079]  fallback_alloc+0x204/0x2e0
[  426.282067]  ____cache_alloc_node+0x1c7/0x1e0
[  426.286559]  kmem_cache_alloc_node+0xe3/0x730
[  426.291044]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.295283]  __alloc_skb+0x119/0x770
[  426.299012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.304294]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.308707]  ? lock_downgrade+0x900/0x900
[  426.312870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.318401]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.323851]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.329299]  ? addrconf_rs_timer+0x690/0x690
[  426.333713]  ndisc_alloc_skb+0x144/0x340
[  426.337769]  ndisc_send_rs+0x331/0x6e0
[  426.341656]  addrconf_rs_timer+0x314/0x690
[  426.345888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.350122]  call_timer_fn+0x272/0x920
[  426.354000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.358225]  ? process_timeout+0x40/0x40
[  426.362296]  ? __run_timers+0x7da/0xc70
[  426.366762]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.371251]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.375743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.379971]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.384551]  ? trace_hardirqs_on+0xbd/0x310
[  426.388898]  ? kasan_check_read+0x11/0x20
[  426.393041]  ? __run_timers+0x7da/0xc70
[  426.397008]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.402105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.406338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.410580]  __run_timers+0x7e5/0xc70
[  426.414381]  ? timer_fixup_init+0x70/0x70
[  426.418523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.423531]  ? zap_class+0x640/0x640
[  426.427247]  ? enqueue_hrtimer+0x1a5/0x560
[  426.431482]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.436684]  ? find_held_lock+0x36/0x1c0
[  426.440743]  ? zap_class+0x640/0x640
[  426.444473]  ? pvclock_read_flags+0x160/0x160
[  426.448982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.454516]  ? check_preemption_disabled+0x48/0x280
[  426.459532]  ? __lock_is_held+0xb5/0x140
[  426.463588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.469121]  ? check_preemption_disabled+0x48/0x280
[  426.474141]  run_timer_softirq+0x52/0xb0
[  426.478197]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.483210]  __do_softirq+0x308/0xb7e
[  426.487025]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.491513]  ? lock_downgrade+0x900/0x900
[  426.495657]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.500761]  ? pvclock_read_flags+0x160/0x160
[  426.505259]  ? lapic_next_event+0x5a/0x90
[  426.509409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.514945]  ? kvm_clock_read+0x18/0x30
[  426.518914]  ? kvm_sched_clock_read+0x9/0x20
[  426.523319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.528851]  ? check_preemption_disabled+0x48/0x280
[  426.533880]  irq_exit+0x17f/0x1c0
[  426.537330]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.542168]  ? smp_reschedule_interrupt+0x109/0x650
[  426.547177]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.553054]  ? interrupt_entry+0xb5/0xc0
[  426.557114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.562136]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.567149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.572073]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.577088]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.582121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.586979]  apic_timer_interrupt+0xf/0x20
[  426.591209]  </IRQ>
[  426.593444] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  426.598371] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  426.617273] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  426.624977] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  426.632238] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  426.639508] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  426.646780] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  426.654041] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  426.661348]  skb_clone+0x1bb/0x500
[  426.664881]  ? finish_task_switch+0x2f4/0x910
[  426.669371]  ? skb_split+0x11e0/0x11e0
[  426.673265]  ? preempt_notifier_register+0x200/0x200
[  426.678359]  ? __switch_to_asm+0x34/0x70
[  426.682412]  ? __switch_to_asm+0x34/0x70
[  426.686476]  ? __switch_to_asm+0x40/0x70
[  426.690540]  ? __switch_to_asm+0x34/0x70
[  426.694593]  ? __switch_to_asm+0x40/0x70
[  426.698643]  ? __switch_to_asm+0x34/0x70
[  426.702696]  ? __switch_to_asm+0x40/0x70
[  426.706752]  ? __switch_to_asm+0x34/0x70
[  426.710811]  ? __switch_to_asm+0x34/0x70
[  426.714862]  ? __switch_to_asm+0x40/0x70
[  426.718914]  ? __switch_to_asm+0x34/0x70
[  426.722981]  bpf_clone_redirect+0xb9/0x490
[  426.727213]  ? __schedule+0x8d7/0x21d0
[  426.731120]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  426.736130]  ? __sched_text_start+0x8/0x8
[  426.740278]  ? retint_kernel+0x2d/0x2d
[  426.744166]  ? find_held_lock+0x36/0x1c0
[  426.748229]  ? lock_acquire+0x1ed/0x520
[  426.752201]  ? bpf_test_run+0x3cb/0x780
[  426.756176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.761712]  ? check_preemption_disabled+0x48/0x280
[  426.766724]  ? kasan_check_read+0x11/0x20
[  426.770888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.776158]  ? rcu_softirq_qs+0x20/0x20
[  426.780128]  ? preempt_schedule+0x4d/0x60
[  426.784277]  ? ___preempt_schedule+0x16/0x18
[  426.788686]  ? bpf_test_run+0x25d/0x780
[  426.792662]  ? netlink_diag_dump+0x2a0/0x2a0
[  426.797068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.802598]  ? bpf_test_init.isra.10+0x70/0x100
[  426.807274]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  426.812052]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.816885]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  426.822415]  ? fput+0x130/0x1a0
[  426.825689]  ? __bpf_prog_get+0x9b/0x290
[  426.829743]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.834578]  ? bpf_prog_test_run+0x130/0x1a0
[  426.838985]  ? __x64_sys_bpf+0x3d8/0x520
[  426.843046]  ? bpf_prog_get+0x20/0x20
[  426.846867]  ? do_syscall_64+0x1b9/0x820
[  426.850925]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  426.856286]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.861214]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.866229]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  426.871254]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  426.877914]  ? __switch_to_asm+0x40/0x70
[  426.881969]  ? __switch_to_asm+0x34/0x70
[  426.886048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.890889]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  426.896272] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  426.896333] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.903194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.903200] Call Trace:
[  426.909742] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.919006]  <IRQ>
[  426.921571] syz-executor4 cpuset=syz4 mems_allowed=0
[  426.932043]  dump_stack+0x244/0x39d
[  426.942875]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.948080]  warn_alloc.cold.116+0xb7/0x1bd
[  426.952395]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.957244]  ? lock_downgrade+0x900/0x900
[  426.961412]  ? trace_hardirqs_off+0xb8/0x310
[  426.965820]  ? trace_hardirqs_off+0xb8/0x310
[  426.970227]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.975094]  ? warn_alloc+0x120/0x120
[  426.978890]  ? print_usage_bug+0xc0/0xc0
[  426.982945]  ? warn_alloc+0x120/0x120
[  426.986745]  ? warn_alloc+0x120/0x120
[  426.990551]  ? print_usage_bug+0xc0/0xc0
[  426.994610]  ? print_usage_bug+0xc0/0xc0
[  426.998668]  ? __lock_acquire+0x62f/0x4c20
[  427.002902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.008434]  ? should_fail+0x22d/0xd01
[  427.012322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.017416]  ? __lock_acquire+0x62f/0x4c20
[  427.021645]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.026751]  ? __lock_acquire+0x62f/0x4c20
[  427.030976]  ? should_fail+0x22d/0xd01
[  427.034858]  ? find_held_lock+0x36/0x1c0
[  427.038920]  ? mark_held_locks+0x130/0x130
[  427.043152]  ? mark_held_locks+0x130/0x130
[  427.047378]  ? zap_class+0x640/0x640
[  427.051085]  ? zap_class+0x640/0x640
[  427.054795]  ? print_usage_bug+0xc0/0xc0
[  427.058845]  ? do_raw_spin_unlock+0xa7/0x330
[  427.063254]  ? zap_class+0x640/0x640
[  427.066966]  ? print_usage_bug+0xc0/0xc0
[  427.071039]  ? wq_watchdog_touch+0x9c/0xfe
[  427.075276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.080807]  ? check_preemption_disabled+0x48/0x280
[  427.085826]  ? __lock_is_held+0xb5/0x140
[  427.089886]  __alloc_pages_nodemask+0xa80/0xde0
[  427.094551]  ? zap_class+0x640/0x640
[  427.098263]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.103290]  ? find_held_lock+0x36/0x1c0
[  427.107354]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.112022]  ? lock_downgrade+0x900/0x900
[  427.116174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.121709]  cache_grow_begin+0xa5/0x8c0
[  427.125763]  ? do_raw_spin_unlock+0xa7/0x330
[  427.130173]  fallback_alloc+0x204/0x2e0
[  427.134163]  ____cache_alloc_node+0x1c7/0x1e0
[  427.138665]  kmem_cache_alloc_node+0xe3/0x730
[  427.143159]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.147396]  __alloc_skb+0x119/0x770
[  427.151104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.156378]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.160779]  ? lock_downgrade+0x900/0x900
[  427.164930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.170461]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.175903]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  427.181349]  ? addrconf_rs_timer+0x690/0x690
[  427.185760]  ndisc_alloc_skb+0x144/0x340
[  427.189819]  ndisc_send_rs+0x331/0x6e0
[  427.193710]  addrconf_rs_timer+0x314/0x690
[  427.197943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.202180]  call_timer_fn+0x272/0x920
[  427.206063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.210294]  ? process_timeout+0x40/0x40
[  427.214357]  ? mark_held_locks+0xc7/0x130
[  427.218531]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.223046]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.227533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.231762]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.236355]  ? trace_hardirqs_on+0xbd/0x310
[  427.240670]  ? kasan_check_read+0x11/0x20
[  427.244809]  ? __run_timers+0x7da/0xc70
[  427.248783]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.253885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.258116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.262343]  __run_timers+0x7e5/0xc70
[  427.266146]  ? timer_fixup_init+0x70/0x70
[  427.270294]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.275306]  ? zap_class+0x640/0x640
[  427.279021]  ? print_usage_bug+0xc0/0xc0
[  427.283088]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.288281]  ? find_held_lock+0x36/0x1c0
[  427.292514]  ? zap_class+0x640/0x640
[  427.296234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.301769]  ? check_preemption_disabled+0x48/0x280
[  427.306786]  ? __lock_is_held+0xb5/0x140
[  427.310842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.316381]  ? check_preemption_disabled+0x48/0x280
[  427.321394]  run_timer_softirq+0x52/0xb0
[  427.325451]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.330467]  __do_softirq+0x308/0xb7e
[  427.334270]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.338760]  ? lock_downgrade+0x900/0x900
[  427.342910]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.348018]  ? pvclock_read_flags+0x160/0x160
[  427.352522]  ? lapic_next_event+0x5a/0x90
[  427.356668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.362212]  ? kvm_clock_read+0x18/0x30
[  427.366208]  ? kvm_sched_clock_read+0x9/0x20
[  427.370641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.376177]  ? check_preemption_disabled+0x48/0x280
[  427.381211]  irq_exit+0x17f/0x1c0
[  427.384661]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.389503]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.395766]  ? interrupt_entry+0xb5/0xc0
[  427.399824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.404836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.409846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.414683]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.419694]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.424703]  ? task_prio+0x50/0x50
[  427.428250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.433793]  ? check_preemption_disabled+0x48/0x280
[  427.438809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.443654]  apic_timer_interrupt+0xf/0x20
[  427.447880]  </IRQ>
[  427.450114] RIP: 0010:console_unlock+0x102f/0x1190
[  427.455044] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  427.473943] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  427.481647] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  427.488908] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  427.496175] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  427.503443] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  427.510706] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  427.517973]  ? netconsole_netdev_event+0x280/0x280
[  427.522918]  ? console_unlock+0x1026/0x1190
[  427.527257]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  427.531921]  ? vprintk_emit+0x846/0x990
[  427.535894]  ? lock_release+0xa00/0xa00
[  427.539865]  ? trace_hardirqs_on+0x60/0x310
[  427.544180]  ? vprintk_default+0x28/0x30
[  427.548254]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.553355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.558895]  vprintk_emit+0x391/0x990
[  427.562693]  ? wake_up_klogd+0x180/0x180
[  427.566754]  ? find_held_lock+0x1/0x1c0
[  427.570729]  ? mark_held_locks+0xc7/0x130
[  427.574890]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.579379]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.583872]  vprintk_default+0x28/0x30
[  427.587755]  vprintk_func+0x7e/0x181
[  427.591467]  printk+0xa7/0xcf
[  427.594568]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  427.599320]  ? _raw_spin_unlock_irq+0x60/0x80
[  427.603824]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  427.609105]  dump_header+0x7cc/0xf72
[  427.612821]  ? pagefault_out_of_memory+0x197/0x197
[  427.617753]  ? __lock_acquire+0x62f/0x4c20
[  427.621984]  ? percpu_ref_get_many+0x240/0x240
[  427.626575]  ? print_usage_bug+0xc0/0xc0
[  427.630647]  ? zap_class+0x640/0x640
[  427.634359]  ? print_usage_bug+0xc0/0xc0
[  427.638416]  ? zap_class+0x640/0x640
[  427.642131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.647666]  ? find_held_lock+0x36/0x1c0
[  427.651728]  ? mark_held_locks+0xc7/0x130
[  427.655900]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.660994]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.666093]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.670672]  ? trace_hardirqs_on+0xbd/0x310
[  427.674987]  ? kasan_check_read+0x11/0x20
[  427.679131]  ? ___ratelimit+0x3b4/0x672
[  427.683114]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.688212]  ? trace_hardirqs_on+0x310/0x310
[  427.692619]  ? lock_downgrade+0x900/0x900
[  427.696766]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.701863]  ? ___ratelimit+0x3b9/0x672
[  427.705833]  ? idr_get_free+0xf70/0xf70
[  427.709801]  ? find_held_lock+0x36/0x1c0
[  427.713866]  oom_kill_process.cold.27+0x10/0x903
[  427.718617]  ? zap_class+0x640/0x640
[  427.722325]  ? check_preemption_disabled+0x48/0x280
[  427.727351]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.732272]  ? kasan_check_read+0x11/0x20
[  427.736421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.741696]  ? oom_evaluate_task+0x540/0x540
[  427.746102]  ? find_held_lock+0x36/0x1c0
[  427.750165]  ? out_of_memory+0x974/0x1430
[  427.754316]  ? lock_downgrade+0x900/0x900
[  427.758457]  ? check_preemption_disabled+0x48/0x280
[  427.763469]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.768390]  ? kasan_check_read+0x11/0x20
[  427.772530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.777801]  ? rcu_softirq_qs+0x20/0x20
[  427.781774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.787302]  ? oom_evaluate_task+0x302/0x540
[  427.791719]  out_of_memory+0xa84/0x1430
[  427.795716]  ? oom_killer_disable+0x3a0/0x3a0
[  427.800215]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  427.805142]  ? __ww_mutex_check_waiters+0x160/0x160
[  427.810175]  __alloc_pages_slowpath+0x2354/0x2e10
[  427.815040]  ? warn_alloc+0x120/0x120
[  427.818835]  ? mark_held_locks+0x130/0x130
[  427.823068]  ? find_get_entry+0xaae/0x1120
[  427.827308]  ? filemap_map_pages+0x1a20/0x1a20
[  427.831886]  ? zap_class+0x640/0x640
[  427.835614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.841145]  ? check_preemption_disabled+0x48/0x280
[  427.846170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.851712]  ? should_fail+0x22d/0xd01
[  427.855598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.860694]  ? zap_class+0x640/0x640
[  427.864423]  ? __lock_is_held+0xb5/0x140
[  427.868506]  ? mark_held_locks+0x130/0x130
[  427.872741]  ? lock_release+0xa00/0xa00
[  427.876716]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.882165]  ? xa_load+0x2ba/0x460
[  427.885699]  ? lock_downgrade+0x900/0x900
[  427.889847]  ? __might_sleep+0x95/0x190
[  427.893825]  __alloc_pages_nodemask+0xa80/0xde0
[  427.898498]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.903509]  ? __page_cache_alloc+0x191/0x5c0
[  427.908000]  ? xa_load+0x2e1/0x460
[  427.911536]  ? xa_clear_mark+0x40/0x40
[  427.915434]  ? zap_class+0x640/0x640
[  427.919148]  ? zap_class+0x640/0x640
[  427.922860]  ? zap_class+0x640/0x640
[  427.926569]  ? __do_page_cache_readahead+0x663/0x810
[  427.931684]  ? find_held_lock+0x36/0x1c0
[  427.935746]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  427.941281]  alloc_pages_current+0x173/0x350
[  427.945706]  __page_cache_alloc+0x38c/0x5c0
[  427.950021]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.954940]  ? kasan_check_read+0x11/0x20
[  427.959080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.964352]  ? generic_perform_write+0x6a0/0x6a0
[  427.969101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.974630]  ? check_preemption_disabled+0x48/0x280
[  427.979647]  filemap_fault+0x1595/0x25f0
[  427.983729]  ? __lock_page_or_retry+0xa00/0xa00
[  427.988396]  ? mark_held_locks+0x130/0x130
[  427.992634]  ? filemap_map_pages+0xd6b/0x1a20
[  427.997127]  ? lock_downgrade+0x900/0x900
[  428.001273]  ? check_preemption_disabled+0x48/0x280
[  428.006283]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.011211]  ? kasan_check_read+0x11/0x20
[  428.015351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.021315]  ? rcu_softirq_qs+0x20/0x20
[  428.025295]  ? filemap_map_pages+0xd92/0x1a20
[  428.029791]  ? print_usage_bug+0xc0/0xc0
[  428.033850]  ? find_get_entries_tag+0x1400/0x1400
[  428.038684]  ? __kasan_slab_free+0x102/0x150
[  428.043086]  ? kasan_slab_free+0xe/0x10
[  428.047057]  ? kmem_cache_free+0x83/0x290
[  428.051203]  ? __sigqueue_free.part.29+0x74/0x90
[  428.055963]  ? lock_acquire+0x1ed/0x520
[  428.059931]  ? ext4_filemap_fault+0x7a/0xad
[  428.065644]  ? lock_release+0xa00/0xa00
[  428.069629]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.075075]  ? print_usage_bug+0xc0/0xc0
[  428.079132]  ? print_usage_bug+0xc0/0xc0
[  428.083206]  ? down_read+0x8d/0x120
[  428.086858]  ? ext4_filemap_fault+0x7a/0xad
[  428.091177]  ? __down_interruptible+0x700/0x700
[  428.095849]  ext4_filemap_fault+0x82/0xad
[  428.099988]  __do_fault+0x100/0x6b0
[  428.103607]  ? pmd_devmap_trans_unstable+0x220/0x220
[  428.108790]  ? mark_held_locks+0x130/0x130
[  428.113026]  ? mark_held_locks+0x130/0x130
[  428.117257]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  428.122790]  ? rcu_pm_notify+0xc0/0xc0
[  428.126678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.132218]  __handle_mm_fault+0x3ea0/0x5be0
[  428.136625]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  428.141459]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.145954]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.150532]  ? trace_hardirqs_on+0xbd/0x310
[  428.154851]  ? kasan_check_read+0x11/0x20
[  428.158992]  ? __set_current_blocked+0xdf/0x120
[  428.163654]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.168761]  ? zap_class+0x640/0x640
[  428.172473]  ? zap_class+0x640/0x640
[  428.176190]  ? find_held_lock+0x36/0x1c0
[  428.180258]  ? handle_mm_fault+0x42a/0xc70
[  428.184488]  ? lock_downgrade+0x900/0x900
[  428.188630]  ? check_preemption_disabled+0x48/0x280
[  428.193643]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.199002]  ? kasan_check_read+0x11/0x20
[  428.203157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.208439]  ? rcu_softirq_qs+0x20/0x20
[  428.212411]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.217511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.223045]  ? check_preemption_disabled+0x48/0x280
[  428.228063]  handle_mm_fault+0x54f/0xc70
[  428.232124]  ? __handle_mm_fault+0x5be0/0x5be0
[  428.236713]  ? find_vma+0x34/0x190
[  428.240252]  __do_page_fault+0x5e8/0xe60
[  428.244311]  ? exit_to_usermode_loop+0x1f4/0x380
[  428.249067]  do_page_fault+0xf2/0x7e0
[  428.252861]  ? vmalloc_sync_all+0x30/0x30
[  428.257005]  ? error_entry+0x70/0xd0
[  428.260715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.265725]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.270659]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.276102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.280957]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.285967]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.291415]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.296427]  ? page_fault+0x8/0x30
[  428.299963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.304804]  ? page_fault+0x8/0x30
[  428.308340]  page_fault+0x1e/0x30
[  428.311785] RIP: 0033:0x45db60
[  428.314982] Code: Bad RIP value.
[  428.318334] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  428.323688] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  428.330951] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  428.338212] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  428.345471] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  428.352735] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  428.360102] warn_alloc_show_mem: 1 callbacks suppressed
[  428.360111] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  428.360113] Mem-Info:
[  428.360150] active_anon:48041 inactive_anon:196 isolated_anon:0
[  428.360150]  active_file:13 inactive_file:15 isolated_file:0
[  428.360150]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.360150]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  428.360150]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  428.360150]  free:13795 free_pcp:455 free_cma:0
[  428.365968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.365976] Call Trace:
[  428.373269] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.375657]  <IRQ>
[  428.408511] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.417857]  dump_stack+0x244/0x39d
[  428.420407] lowmem_reserve[]: 0 2818 6321 6321
[  428.447812]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.449931] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  428.476054]  warn_alloc.cold.116+0xb7/0x1bd
[  428.479656] lowmem_reserve[]: 0 0 3503 3503
[  428.484237]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.489395] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  428.517146]  ? lock_downgrade+0x900/0x900
[  428.521446] lowmem_reserve[]: 0 0 0 0
[  428.525770]  ? trace_hardirqs_off+0xb8/0x310
[  428.530588] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  428.559554]  ? trace_hardirqs_off+0xb8/0x310
[  428.563670] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  428.567468]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.571843] Node 0 Normal: 995*4kB (MEH) 504*8kB (ME) 140*16kB (MEH) 59*32kB (UMEH) 7*64kB (MH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  428.585388]  ? warn_alloc+0x120/0x120
[  428.589759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.605955]  ? print_usage_bug+0xc0/0xc0
[  428.610775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.625941]  ? warn_alloc+0x120/0x120
[  428.629716] 272 total pagecache pages
[  428.638538]  ? warn_alloc+0x120/0x120
[  428.642584] 0 pages in swap cache
[  428.651134]  ? print_usage_bug+0xc0/0xc0
[  428.655024] Swap cache stats: add 0, delete 0, find 0/0
[  428.658807]  ? kvm_clock_read+0x18/0x30
[  428.662578] Free swap  = 0kB
[  428.666049]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.670073] Total swap = 0kB
[  428.670081] 1965979 pages RAM
[  428.675437]  ? print_usage_bug+0xc0/0xc0
[  428.679375] 0 pages HighMem/MovableOnly
[  428.679382] 342853 pages reserved
[  428.682391]  ? __lock_acquire+0x62f/0x4c20
[  428.687375] 0 pages cma reserved
[  428.690382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.693514] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.697513]  ? should_fail+0x22d/0xd01
[  428.701513] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.704904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.709115] syz-fuzzer cpuset=/ mems_allowed=0
[  428.712468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.753459]  ? __lock_acquire+0x62f/0x4c20
[  428.757693]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.762786]  ? __lock_acquire+0x62f/0x4c20
[  428.767015]  ? should_fail+0x22d/0xd01
[  428.770893]  ? rcu_irq_exit+0x1a2/0x390
[  428.774888]  ? mark_held_locks+0x130/0x130
[  428.779125]  ? mark_held_locks+0x130/0x130
[  428.783358]  ? mark_held_locks+0xc7/0x130
[  428.787516]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  428.792526]  ? zap_class+0x640/0x640
[  428.796237]  ? print_usage_bug+0xc0/0xc0
[  428.800470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.806006]  ? check_preemption_disabled+0x48/0x280
[  428.811022]  ? __lock_is_held+0xb5/0x140
[  428.815090]  __alloc_pages_nodemask+0xa80/0xde0
[  428.819752]  ? zap_class+0x640/0x640
[  428.823467]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.828487]  ? find_held_lock+0x36/0x1c0
[  428.832550]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.837217]  ? lock_downgrade+0x900/0x900
[  428.841366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.846902]  cache_grow_begin+0xa5/0x8c0
[  428.850954]  ? do_raw_spin_unlock+0xa7/0x330
[  428.855381]  fallback_alloc+0x204/0x2e0
[  428.859355]  ____cache_alloc_node+0x1c7/0x1e0
[  428.863848]  kmem_cache_alloc_node+0xe3/0x730
[  428.868337]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.872573]  __alloc_skb+0x119/0x770
[  428.876281]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.881555]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.885958]  ? lock_downgrade+0x900/0x900
[  428.890115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.895652]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.901105]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.906549]  ? addrconf_rs_timer+0x690/0x690
[  428.910958]  ndisc_alloc_skb+0x144/0x340
[  428.915039]  ndisc_send_rs+0x331/0x6e0
[  428.918963]  addrconf_rs_timer+0x314/0x690
[  428.923198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.927437]  call_timer_fn+0x272/0x920
[  428.931320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.935553]  ? process_timeout+0x40/0x40
[  428.939620]  ? __run_timers+0x7da/0xc70
[  428.943607]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.948108]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.952598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.956832]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.961410]  ? trace_hardirqs_on+0xbd/0x310
[  428.965726]  ? kasan_check_read+0x11/0x20
[  428.969881]  ? __run_timers+0x7da/0xc70
[  428.973855]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.978958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.983190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.987417]  __run_timers+0x7e5/0xc70
[  428.991220]  ? timer_fixup_init+0x70/0x70
[  428.995383]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.000395]  ? zap_class+0x640/0x640
[  429.004107]  ? enqueue_hrtimer+0x1a5/0x560
[  429.008340]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.013531]  ? find_held_lock+0x36/0x1c0
[  429.017592]  ? zap_class+0x640/0x640
[  429.021307]  ? pvclock_read_flags+0x160/0x160
[  429.025801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.031335]  ? check_preemption_disabled+0x48/0x280
[  429.036353]  ? __lock_is_held+0xb5/0x140
[  429.040410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.045941]  ? check_preemption_disabled+0x48/0x280
[  429.050955]  run_timer_softirq+0x52/0xb0
[  429.055013]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.060025]  __do_softirq+0x308/0xb7e
[  429.063822]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.068327]  ? lock_downgrade+0x900/0x900
[  429.072471]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.077576]  ? pvclock_read_flags+0x160/0x160
[  429.082079]  ? lapic_next_event+0x5a/0x90
[  429.086227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.091759]  ? kvm_clock_read+0x18/0x30
[  429.095725]  ? kvm_sched_clock_read+0x9/0x20
[  429.100144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.105680]  ? check_preemption_disabled+0x48/0x280
[  429.110708]  irq_exit+0x17f/0x1c0
[  429.114160]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.118996]  ? smp_reschedule_interrupt+0x109/0x650
[  429.124011]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.129891]  ? interrupt_entry+0xb5/0xc0
[  429.133950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.138961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.143975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.148812]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.153823]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.158843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.163690]  apic_timer_interrupt+0xf/0x20
[  429.167912]  </IRQ>
[  429.170145] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  429.175075] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  429.193975] RSP: 0000:ffff880198a37738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  429.201674] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  429.208936] RDX: 0000000000000000 RSI: ffff8801becb4e40 RDI: 0000000000000286
[  429.216200] RBP: ffff880198a377a0 R08: ffff8801becb45c0 R09: 0000000000000000
[  429.223460] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  429.230808] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  429.238109]  skb_clone+0x1bb/0x500
[  429.241648]  ? finish_task_switch+0x2f4/0x910
[  429.246137]  ? skb_split+0x11e0/0x11e0
[  429.250023]  ? preempt_notifier_register+0x200/0x200
[  429.255127]  ? __switch_to_asm+0x34/0x70
[  429.259178]  ? __switch_to_asm+0x34/0x70
[  429.263230]  ? __switch_to_asm+0x40/0x70
[  429.267284]  ? __switch_to_asm+0x34/0x70
[  429.271335]  ? __switch_to_asm+0x40/0x70
[  429.275388]  ? __switch_to_asm+0x34/0x70
[  429.279442]  ? __switch_to_asm+0x40/0x70
[  429.283496]  ? __switch_to_asm+0x34/0x70
[  429.287549]  ? __switch_to_asm+0x34/0x70
[  429.291604]  ? __switch_to_asm+0x40/0x70
[  429.295657]  ? __switch_to_asm+0x34/0x70
[  429.299716]  bpf_clone_redirect+0xb9/0x490
[  429.303944]  ? __schedule+0x8d7/0x21d0
[  429.307830]  bpf_prog_bebbfe2050753572+0x232/0x1000
[  429.312841]  ? __sched_text_start+0x8/0x8
[  429.316985]  ? retint_kernel+0x2d/0x2d
[  429.320872]  ? find_held_lock+0x36/0x1c0
[  429.324933]  ? lock_acquire+0x1ed/0x520
[  429.328900]  ? bpf_test_run+0x3cb/0x780
[  429.332869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.338399]  ? check_preemption_disabled+0x48/0x280
[  429.343416]  ? kasan_check_read+0x11/0x20
[  429.347664]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.352935]  ? rcu_softirq_qs+0x20/0x20
[  429.356915]  ? preempt_schedule+0x4d/0x60
[  429.361075]  ? ___preempt_schedule+0x16/0x18
[  429.365487]  ? bpf_test_run+0x25d/0x780
[  429.369467]  ? netlink_diag_dump+0x2a0/0x2a0
[  429.373872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.379405]  ? bpf_test_init.isra.10+0x70/0x100
[  429.384075]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  429.388834]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  429.393670]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  429.399201]  ? fput+0x130/0x1a0
[  429.402477]  ? __bpf_prog_get+0x9b/0x290
[  429.406534]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  429.411367]  ? bpf_prog_test_run+0x130/0x1a0
[  429.415771]  ? __x64_sys_bpf+0x3d8/0x520
[  429.419838]  ? bpf_prog_get+0x20/0x20
[  429.423647]  ? do_syscall_64+0x1b9/0x820
[  429.427701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  429.433065]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.437993]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.443004]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  429.448021]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  429.454688]  ? __switch_to_asm+0x40/0x70
[  429.458742]  ? __switch_to_asm+0x34/0x70
[  429.462802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.467650]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  429.473022] CPU: 0 PID: 5980 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  429.473089] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.479950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.479955] Call Trace:
[  429.479959]  <IRQ>
[  429.479975]  dump_stack+0x244/0x39d
[  429.479993]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.486527] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.495812]  warn_alloc.cold.116+0xb7/0x1bd
[  429.498363] syz-executor4 cpuset=syz4 mems_allowed=0
[  429.500500]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.534050]  ? lock_downgrade+0x900/0x900
[  429.538204]  ? trace_hardirqs_off+0xb8/0x310
[  429.542615]  ? trace_hardirqs_off+0xb8/0x310
[  429.547046]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.551925]  ? warn_alloc+0x120/0x120
[  429.555720]  ? print_usage_bug+0xc0/0xc0
[  429.559776]  ? warn_alloc+0x120/0x120
[  429.563575]  ? warn_alloc+0x120/0x120
[  429.567375]  ? print_usage_bug+0xc0/0xc0
[  429.571436]  ? print_usage_bug+0xc0/0xc0
[  429.575512]  ? __lock_acquire+0x62f/0x4c20
[  429.579747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.585276]  ? should_fail+0x22d/0xd01
[  429.589161]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.594259]  ? __lock_acquire+0x62f/0x4c20
[  429.598494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.603594]  ? __lock_acquire+0x62f/0x4c20
[  429.607818]  ? should_fail+0x22d/0xd01
[  429.611698]  ? find_held_lock+0x36/0x1c0
[  429.615761]  ? mark_held_locks+0x130/0x130
[  429.619995]  ? mark_held_locks+0x130/0x130
[  429.624227]  ? zap_class+0x640/0x640
[  429.627934]  ? zap_class+0x640/0x640
[  429.631649]  ? print_usage_bug+0xc0/0xc0
[  429.635700]  ? do_raw_spin_unlock+0xa7/0x330
[  429.640101]  ? zap_class+0x640/0x640
[  429.643808]  ? print_usage_bug+0xc0/0xc0
[  429.647862]  ? wq_watchdog_touch+0x9c/0xfe
[  429.652180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.657712]  ? check_preemption_disabled+0x48/0x280
[  429.662728]  ? __lock_is_held+0xb5/0x140
[  429.666785]  __alloc_pages_nodemask+0xa80/0xde0
[  429.671449]  ? zap_class+0x640/0x640
[  429.675164]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.680188]  ? find_held_lock+0x36/0x1c0
[  429.684250]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.688927]  ? lock_downgrade+0x900/0x900
[  429.693077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.698609]  cache_grow_begin+0xa5/0x8c0
[  429.702660]  ? do_raw_spin_unlock+0xa7/0x330
[  429.707075]  fallback_alloc+0x204/0x2e0
[  429.711049]  ____cache_alloc_node+0x1c7/0x1e0
[  429.715544]  kmem_cache_alloc_node+0xe3/0x730
[  429.720037]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.724281]  __alloc_skb+0x119/0x770
[  429.728000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.733277]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.737684]  ? lock_downgrade+0x900/0x900
[  429.741835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.747367]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.752812]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.758256]  ? addrconf_rs_timer+0x690/0x690
[  429.762668]  ndisc_alloc_skb+0x144/0x340
[  429.766734]  ndisc_send_rs+0x331/0x6e0
[  429.770623]  addrconf_rs_timer+0x314/0x690
[  429.774858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.779098]  call_timer_fn+0x272/0x920
[  429.782982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.787216]  ? process_timeout+0x40/0x40
[  429.791284]  ? mark_held_locks+0xc7/0x130
[  429.795450]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.799939]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.804431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.808670]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.813249]  ? trace_hardirqs_on+0xbd/0x310
[  429.817565]  ? kasan_check_read+0x11/0x20
[  429.821706]  ? __run_timers+0x7da/0xc70
[  429.825674]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.830774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.835014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.839267]  __run_timers+0x7e5/0xc70
[  429.843074]  ? timer_fixup_init+0x70/0x70
[  429.847217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.852244]  ? zap_class+0x640/0x640
[  429.855957]  ? print_usage_bug+0xc0/0xc0
[  429.860024]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.865215]  ? find_held_lock+0x36/0x1c0
[  429.869273]  ? zap_class+0x640/0x640
[  429.872986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.878522]  ? check_preemption_disabled+0x48/0x280
[  429.883541]  ? __lock_is_held+0xb5/0x140
[  429.887597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.893132]  ? check_preemption_disabled+0x48/0x280
[  429.898146]  run_timer_softirq+0x52/0xb0
[  429.902200]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.907210]  __do_softirq+0x308/0xb7e
[  429.911014]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.915510]  ? lock_downgrade+0x900/0x900
[  429.919657]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.924763]  ? pvclock_read_flags+0x160/0x160
[  429.929252]  ? lapic_next_event+0x5a/0x90
[  429.933395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.938933]  ? kvm_clock_read+0x18/0x30
[  429.942900]  ? kvm_sched_clock_read+0x9/0x20
[  429.947304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.952840]  ? check_preemption_disabled+0x48/0x280
[  429.957859]  irq_exit+0x17f/0x1c0
[  429.961311]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.966152]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.972041]  ? interrupt_entry+0xb5/0xc0
[  429.976098]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.981107]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.986118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.990955]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.995968]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.000982]  ? task_prio+0x50/0x50
[  430.004524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.010060]  ? check_preemption_disabled+0x48/0x280
[  430.015079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.019924]  apic_timer_interrupt+0xf/0x20
[  430.024148]  </IRQ>
[  430.026379] RIP: 0010:console_unlock+0x102f/0x1190
[  430.031303] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  430.050199] RSP: 0000:ffff8801b39a5e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  430.057900] RAX: ffff8801c211a440 RBX: 0000000000000200 RCX: 1ffff100384235ab
[  430.065175] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  430.072442] RBP: ffff8801b39a5fb0 R08: ffff8801c211ad58 R09: 0000000000000006
[  430.079705] R10: 0000000000000000 R11: ffff8801c211a440 R12: dffffc0000000000
[  430.086967] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  430.094242]  ? netconsole_netdev_event+0x280/0x280
[  430.099181]  ? console_unlock+0x1026/0x1190
[  430.103512]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  430.108172]  ? vprintk_emit+0x846/0x990
[  430.112171]  ? lock_release+0xa00/0xa00
[  430.116142]  ? trace_hardirqs_on+0x60/0x310
[  430.120466]  ? vprintk_default+0x28/0x30
[  430.124526]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.129627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.135165]  vprintk_emit+0x391/0x990
[  430.138967]  ? wake_up_klogd+0x180/0x180
[  430.143040]  ? find_held_lock+0x1/0x1c0
[  430.147021]  ? mark_held_locks+0xc7/0x130
[  430.151166]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.155654]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.160148]  vprintk_default+0x28/0x30
[  430.164038]  vprintk_func+0x7e/0x181
[  430.167746]  printk+0xa7/0xcf
[  430.170845]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  430.175597]  ? _raw_spin_unlock_irq+0x60/0x80
[  430.180095]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  430.185375]  dump_header+0x7cc/0xf72
[  430.189097]  ? pagefault_out_of_memory+0x197/0x197
[  430.194033]  ? __lock_acquire+0x62f/0x4c20
[  430.198449]  ? percpu_ref_get_many+0x240/0x240
[  430.203038]  ? print_usage_bug+0xc0/0xc0
[  430.207099]  ? zap_class+0x640/0x640
[  430.210812]  ? print_usage_bug+0xc0/0xc0
[  430.214872]  ? zap_class+0x640/0x640
[  430.218589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.224127]  ? find_held_lock+0x36/0x1c0
[  430.228195]  ? mark_held_locks+0xc7/0x130
[  430.232341]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.237437]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.242535]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.247113]  ? trace_hardirqs_on+0xbd/0x310
[  430.251430]  ? kasan_check_read+0x11/0x20
[  430.255589]  ? ___ratelimit+0x3b4/0x672
[  430.259560]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.264658]  ? trace_hardirqs_on+0x310/0x310
[  430.269080]  ? lock_downgrade+0x900/0x900
[  430.273228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.278328]  ? ___ratelimit+0x3b9/0x672
[  430.282298]  ? idr_get_free+0xf70/0xf70
[  430.286265]  ? find_held_lock+0x36/0x1c0
[  430.290332]  oom_kill_process.cold.27+0x10/0x903
[  430.295085]  ? zap_class+0x640/0x640
[  430.298793]  ? check_preemption_disabled+0x48/0x280
[  430.303808]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.308730]  ? kasan_check_read+0x11/0x20
[  430.312870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.318152]  ? oom_evaluate_task+0x540/0x540
[  430.322570]  ? find_held_lock+0x36/0x1c0
[  430.326636]  ? out_of_memory+0x974/0x1430
[  430.330781]  ? lock_downgrade+0x900/0x900
[  430.334922]  ? check_preemption_disabled+0x48/0x280
[  430.339934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.344864]  ? kasan_check_read+0x11/0x20
[  430.349008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.354280]  ? rcu_softirq_qs+0x20/0x20
[  430.358256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.363790]  ? oom_evaluate_task+0x302/0x540
[  430.368197]  out_of_memory+0xa84/0x1430
[  430.372178]  ? oom_killer_disable+0x3a0/0x3a0
[  430.376669]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  430.381599]  ? __ww_mutex_check_waiters+0x160/0x160
[  430.386622]  __alloc_pages_slowpath+0x2354/0x2e10
[  430.391485]  ? warn_alloc+0x120/0x120
[  430.395285]  ? mark_held_locks+0x130/0x130
[  430.399520]  ? find_get_entry+0xaae/0x1120
[  430.403757]  ? filemap_map_pages+0x1a20/0x1a20
[  430.408339]  ? zap_class+0x640/0x640
[  430.412056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.417590]  ? check_preemption_disabled+0x48/0x280
[  430.422600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.428148]  ? should_fail+0x22d/0xd01
[  430.432037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.437141]  ? zap_class+0x640/0x640
[  430.440867]  ? __lock_is_held+0xb5/0x140
[  430.444929]  ? mark_held_locks+0x130/0x130
[  430.449173]  ? lock_release+0xa00/0xa00
[  430.453143]  ? perf_trace_sched_process_exec+0x860/0x860
[  430.458590]  ? xa_load+0x2ba/0x460
[  430.462136]  ? lock_downgrade+0x900/0x900
[  430.466293]  ? __might_sleep+0x95/0x190
[  430.470266]  __alloc_pages_nodemask+0xa80/0xde0
[  430.474942]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.479967]  ? __page_cache_alloc+0x191/0x5c0
[  430.484457]  ? xa_load+0x2e1/0x460
[  430.487998]  ? xa_clear_mark+0x40/0x40
[  430.491882]  ? zap_class+0x640/0x640
[  430.495600]  ? zap_class+0x640/0x640
[  430.499306]  ? zap_class+0x640/0x640
[  430.503021]  ? __do_page_cache_readahead+0x663/0x810
[  430.508122]  ? find_held_lock+0x36/0x1c0
[  430.512183]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  430.517720]  alloc_pages_current+0x173/0x350
[  430.522127]  __page_cache_alloc+0x38c/0x5c0
[  430.526444]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.531368]  ? kasan_check_read+0x11/0x20
[  430.535513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.540789]  ? generic_perform_write+0x6a0/0x6a0
[  430.545541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.551071]  ? check_preemption_disabled+0x48/0x280
[  430.556087]  filemap_fault+0x1595/0x25f0
[  430.560151]  ? __lock_page_or_retry+0xa00/0xa00
[  430.564817]  ? mark_held_locks+0x130/0x130
[  430.569053]  ? filemap_map_pages+0xd6b/0x1a20
[  430.573544]  ? lock_downgrade+0x900/0x900
[  430.577686]  ? check_preemption_disabled+0x48/0x280
[  430.582699]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.587621]  ? kasan_check_read+0x11/0x20
[  430.591763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.597032]  ? rcu_softirq_qs+0x20/0x20
[  430.601013]  ? filemap_map_pages+0xd92/0x1a20
[  430.605511]  ? print_usage_bug+0xc0/0xc0
[  430.609575]  ? find_get_entries_tag+0x1400/0x1400
[  430.614409]  ? __kasan_slab_free+0x102/0x150
[  430.618810]  ? kasan_slab_free+0xe/0x10
[  430.622776]  ? kmem_cache_free+0x83/0x290
[  430.626919]  ? __sigqueue_free.part.29+0x74/0x90
[  430.631692]  ? lock_acquire+0x1ed/0x520
[  430.635663]  ? ext4_filemap_fault+0x7a/0xad
[  430.639986]  ? lock_release+0xa00/0xa00
[  430.643961]  ? perf_trace_sched_process_exec+0x860/0x860
[  430.649410]  ? print_usage_bug+0xc0/0xc0
[  430.653466]  ? print_usage_bug+0xc0/0xc0
[  430.657530]  ? down_read+0x8d/0x120
[  430.661146]  ? ext4_filemap_fault+0x7a/0xad
[  430.665463]  ? __down_interruptible+0x700/0x700
[  430.670134]  ext4_filemap_fault+0x82/0xad
[  430.674283]  __do_fault+0x100/0x6b0
[  430.677911]  ? pmd_devmap_trans_unstable+0x220/0x220
[  430.683025]  ? mark_held_locks+0x130/0x130
[  430.687256]  ? mark_held_locks+0x130/0x130
[  430.691481]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  430.697015]  ? rcu_pm_notify+0xc0/0xc0
[  430.700902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.706442]  __handle_mm_fault+0x3ea0/0x5be0
[  430.710851]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  430.715686]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.720178]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.724758]  ? trace_hardirqs_on+0xbd/0x310
[  430.729068]  ? kasan_check_read+0x11/0x20
[  430.733205]  ? __set_current_blocked+0xdf/0x120
[  430.737873]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.742983]  ? zap_class+0x640/0x640
[  430.746692]  ? zap_class+0x640/0x640
[  430.750404]  ? find_held_lock+0x36/0x1c0
[  430.754465]  ? handle_mm_fault+0x42a/0xc70
[  430.758699]  ? lock_downgrade+0x900/0x900
[  430.762842]  ? check_preemption_disabled+0x48/0x280
[  430.767853]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.772777]  ? kasan_check_read+0x11/0x20
[  430.776917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.782196]  ? rcu_softirq_qs+0x20/0x20
[  430.786163]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.791268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.796801]  ? check_preemption_disabled+0x48/0x280
[  430.801821]  handle_mm_fault+0x54f/0xc70
[  430.805888]  ? __handle_mm_fault+0x5be0/0x5be0
[  430.810484]  ? find_vma+0x34/0x190
[  430.814025]  __do_page_fault+0x5e8/0xe60
[  430.818083]  ? exit_to_usermode_loop+0x1f4/0x380
[  430.822841]  do_page_fault+0xf2/0x7e0
[  430.826636]  ? vmalloc_sync_all+0x30/0x30
[  430.830778]  ? error_entry+0x70/0xd0
[  430.834487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.839496]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.844420]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.849343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.854183]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.859205]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.864653]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.869663]  ? page_fault+0x8/0x30
[  430.873215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.878058]  ? page_fault+0x8/0x30
[  430.881597]  page_fault+0x1e/0x30
[  430.885043] RIP: 0033:0x45db60
[  430.888250] Code: Bad RIP value.
[  430.891608] RSP: 002b:000000c420263ab8 EFLAGS: 00010246
[  430.896969] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  430.904230] RDX: 000000c420263ac0 RSI: 000000c420263bf0 RDI: 0000000000000011
[  430.911494] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c4262dcb28
[  430.918755] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  430.926022] R13: 000000c4200581e0 R14: 0000000000000001 R15: 0000000000000000
[  430.933310] CPU: 1 PID: 10160 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #83
[  430.933314] warn_alloc_show_mem: 1 callbacks suppressed
[  430.933320] Mem-Info:
[  430.940586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.945959] active_anon:48041 inactive_anon:196 isolated_anon:0
[  430.945959]  active_file:13 inactive_file:15 isolated_file:0
[  430.945959]  unevictable:0 dirty:0 writeback:0 unstable:0
[  430.945959]  slab_reclaimable:9183 slab_unreclaimable:1459157
[  430.945959]  mapped:24578 shmem:244 pagetables:475 bounce:0
[  430.945959]  free:13795 free_pcp:455 free_cma:0
[  430.948321] Call Trace:
[  430.957696] Node 0 active_anon:192164kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  430.990532]  <IRQ>
[  430.993098] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.020496]  dump_stack+0x244/0x39d
[  431.022610] lowmem_reserve[]: 0 2818 6321 6321
[  431.048727]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.052325] Node 0 DMA32 free:25276kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  431.056926]  warn_alloc.cold.116+0xb7/0x1bd
[  431.062075] lowmem_reserve[]: 0 0 3503 3503
[  431.089829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.094124] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:188068kB inactive_anon:784kB active_file:52kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:1900kB bounce:0kB free_pcp:1572kB local_pcp:288kB free_cma:0kB
[  431.098437]  ? lock_downgrade+0x900/0x900
[  431.103247] lowmem_reserve[]: 0 0 0 0
[  431.132214]  ? trace_hardirqs_off+0xb8/0x310
[  431.136332] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  431.140126]  ? trace_hardirqs_off+0xb8/0x310
[  431.144502] Node 0 DMA32: 5*4kB (ME) 3*8kB (UME) 3*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25276kB
[  431.158016]  __alloc_pages_slowpath+0x26e8/0x2e10