anitizer_cov_trace_const_cmp4+0x16/0x20
[  246.117877]  ? check_preemption_disabled+0x48/0x280
[  246.122895]  ? __lock_is_held+0xb5/0x140
[  246.126966]  ? __this_cpu_preempt_check+0x1c/0x20
[  246.131812]  ? __mod_zone_page_state+0x8a/0xf0
[  246.136405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.141948]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  246.147189]  ? __isolate_lru_page+0x1540/0x1540
[  246.151879]  ? zap_class+0x640/0x640
[  246.155606]  ? print_usage_bug+0xc0/0xc0
[  246.159675]  ? __account_cfs_rq_runtime+0x790/0x790
[  246.164701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.170246]  ? find_held_lock+0x36/0x1c0
[  246.174312]  ? zap_class+0x640/0x640
[  246.178032]  ? print_usage_bug+0xc0/0xc0
[  246.182097]  ? mark_held_locks+0xc7/0x130
[  246.186250]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.190755]  ? zap_class+0x640/0x640
[  246.194477]  ? print_usage_bug+0xc0/0xc0
[  246.198545]  ? mark_held_locks+0xc7/0x130
[  246.202703]  ? find_held_lock+0x36/0x1c0
[  246.206780]  ? mark_held_locks+0xc7/0x130
[  246.210934]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.215433]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.219933]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.224520]  ? trace_hardirqs_on+0xbd/0x310
[  246.228849]  ? kasan_check_read+0x11/0x20
[  246.233001]  ? shrink_inactive_list+0x741/0x1c60
[  246.237759]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.242869]  ? trace_hardirqs_on+0x310/0x310
[  246.247282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.252827]  ? check_preemption_disabled+0x48/0x280
[  246.257863]  shrink_inactive_list+0x77b/0x1c60
[  246.262464]  ? putback_inactive_pages+0x27e0/0x27e0
[  246.267487]  ? kasan_check_read+0x11/0x20
[  246.271641]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  246.276917]  ? __rcu_read_unlock+0x2d6/0x2e0
[  246.281329]  ? blk_lld_busy+0x70/0x70
[  246.285129]  ? kasan_check_read+0x11/0x20
[  246.289289]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  246.294232]  shrink_node_memcg+0x78b/0x18f0
[  246.298573]  ? shrink_active_list+0x1f00/0x1f00
[  246.303260]  ? lock_downgrade+0x900/0x900
[  246.307409]  ? check_flush_dependency+0x410/0x410
[  246.312276]  ? kasan_check_read+0x11/0x20
[  246.316431]  ? do_raw_spin_unlock+0xa7/0x330
[  246.320858]  ? ___preempt_schedule+0x16/0x18
[  246.325275]  ? _raw_spin_unlock+0x3f/0x50
[  246.329433]  shrink_node+0x3bc/0x16b0
[  246.333239]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  246.338542]  ? shrink_node_memcg+0x18f0/0x18f0
[  246.343125]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.347712]  ? trace_hardirqs_on+0xbd/0x310
[  246.352035]  ? vmpressure+0x271/0x340
[  246.355850]  ? do_raw_spin_trylock+0x270/0x270
[  246.360442]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  246.365984]  ? __cpuset_node_allowed+0x19b/0x660
[  246.370744]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  246.376455]  ? vmpressure+0x1a2/0x340
[  246.380271]  do_try_to_free_pages+0x3e7/0x1290
[  246.384859]  ? zap_class+0x640/0x640
[  246.388600]  ? shrink_node+0x16b0/0x16b0
[  246.392667]  ? __lock_is_held+0xb5/0x140
[  246.396742]  try_to_free_pages+0x4d0/0xb90
[  246.400986]  ? do_try_to_free_pages+0x1290/0x1290
[  246.405843]  ? lock_acquire+0x1ed/0x520
[  246.409826]  ? set_page_refcounted+0x280/0x280
[  246.414424]  ? lock_release+0xa00/0xa00
[  246.418407]  ? _raw_spin_unlock_irq+0x60/0x80
[  246.422915]  ? psi_memstall_enter+0x240/0x2b0
[  246.427414]  ? psi_memstall_tick+0x230/0x230
[  246.431841]  __alloc_pages_slowpath+0xa14/0x2e10
[  246.436641]  ? warn_alloc+0x120/0x120
[  246.440441]  ? mark_held_locks+0x130/0x130
[  246.444687]  ? find_get_entry+0xaae/0x1120
[  246.448933]  ? filemap_map_pages+0x1a20/0x1a20
[  246.453526]  ? zap_class+0x640/0x640
[  246.457252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.462796]  ? check_preemption_disabled+0x48/0x280
[  246.467814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.473356]  ? should_fail+0x22d/0xd01
[  246.477249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.482356]  ? zap_class+0x640/0x640
[  246.486105]  ? __lock_is_held+0xb5/0x140
[  246.490176]  ? mark_held_locks+0x130/0x130
[  246.494418]  ? lock_release+0xa00/0xa00
[  246.498411]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.503867]  ? xa_load+0x2ba/0x460
[  246.507413]  ? lock_downgrade+0x900/0x900
[  246.511566]  ? __might_sleep+0x95/0x190
[  246.515556]  __alloc_pages_nodemask+0xa80/0xde0
[  246.520243]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.525262]  ? __page_cache_alloc+0x191/0x5c0
[  246.529757]  ? xa_load+0x2e1/0x460
[  246.533298]  ? xa_clear_mark+0x40/0x40
[  246.537193]  ? zap_class+0x640/0x640
[  246.540915]  ? zap_class+0x640/0x640
[  246.544633]  ? zap_class+0x640/0x640
[  246.548351]  ? __do_page_cache_readahead+0x663/0x810
[  246.553467]  ? find_held_lock+0x36/0x1c0
[  246.557554]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  246.563107]  alloc_pages_current+0x173/0x350
[  246.567524]  __page_cache_alloc+0x38c/0x5c0
[  246.571849]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.576793]  ? kasan_check_read+0x11/0x20
[  246.580939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.586221]  ? generic_perform_write+0x6a0/0x6a0
[  246.590980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.596523]  ? check_preemption_disabled+0x48/0x280
[  246.601552]  filemap_fault+0x1595/0x25f0
[  246.605639]  ? __lock_page_or_retry+0xa00/0xa00
[  246.610316]  ? mark_held_locks+0x130/0x130
[  246.615257]  ? filemap_map_pages+0xd6b/0x1a20
[  246.619755]  ? lock_downgrade+0x900/0x900
[  246.623905]  ? check_preemption_disabled+0x48/0x280
[  246.628929]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.633866]  ? kasan_check_read+0x11/0x20
[  246.638014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.643290]  ? rcu_softirq_qs+0x20/0x20
[  246.647279]  ? filemap_map_pages+0xd92/0x1a20
[  246.651791]  ? find_get_entries_tag+0x1400/0x1400
[  246.656643]  ? debug_object_destroy+0x2b0/0x2b0
[  246.661315]  ? lock_pi_update_atomic+0x150/0x150
[  246.666076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.671638]  ? lock_acquire+0x1ed/0x520
[  246.675619]  ? ext4_filemap_fault+0x7a/0xad
[  246.679952]  ? lock_release+0xa00/0xa00
[  246.683931]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.689390]  ? print_usage_bug+0xc0/0xc0
[  246.693455]  ? print_usage_bug+0xc0/0xc0
[  246.697532]  ? down_read+0x8d/0x120
[  246.701158]  ? ext4_filemap_fault+0x7a/0xad
[  246.705480]  ? __down_interruptible+0x700/0x700
[  246.710179]  ext4_filemap_fault+0x82/0xad
[  246.714331]  __do_fault+0x100/0x6b0
[  246.717962]  ? find_held_lock+0x36/0x1c0
[  246.722033]  ? pmd_devmap_trans_unstable+0x220/0x220
[  246.727139]  ? mark_held_locks+0x130/0x130
[  246.731389]  ? mark_held_locks+0x130/0x130
[  246.735636]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.740146]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.744645]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.749232]  ? kasan_check_read+0x11/0x20
[  246.753383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.758929]  __handle_mm_fault+0x3ea6/0x5be0
[  246.763349]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  246.768195]  ? finish_task_switch+0x1f4/0x910
[  246.772694]  ? finish_task_switch+0x1b4/0x910
[  246.777195]  ? __switch_to_asm+0x34/0x70
[  246.781266]  ? preempt_notifier_register+0x200/0x200
[  246.786367]  ? __switch_to_asm+0x34/0x70
[  246.790432]  ? __switch_to_asm+0x34/0x70
[  246.794509]  ? zap_class+0x640/0x640
[  246.798223]  ? zap_class+0x640/0x640
[  246.801937]  ? __x64_sys_futex+0x53e/0x6a0
[  246.806182]  ? find_held_lock+0x36/0x1c0
[  246.810257]  ? handle_mm_fault+0x42a/0xc70
[  246.814494]  ? lock_downgrade+0x900/0x900
[  246.818648]  ? check_preemption_disabled+0x48/0x280
[  246.823672]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.828610]  ? kasan_check_read+0x11/0x20
[  246.832764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.838046]  ? rcu_softirq_qs+0x20/0x20
[  246.842039]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.847150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.852691]  ? check_preemption_disabled+0x48/0x280
[  246.857718]  handle_mm_fault+0x54f/0xc70
[  246.861786]  ? __handle_mm_fault+0x5be0/0x5be0
[  246.866374]  ? find_vma+0x34/0x190
[  246.869927]  __do_page_fault+0x5e8/0xe60
[  246.873991]  ? trace_hardirqs_off+0xb8/0x310
[  246.878411]  do_page_fault+0xf2/0x7e0
[  246.882214]  ? vmalloc_sync_all+0x30/0x30
[  246.886366]  ? error_entry+0x70/0xd0
[  246.890086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.895104]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.900040]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.904973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.909820]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.914841]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.920311]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.925334]  ? page_fault+0x8/0x30
[  246.928883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.933734]  ? page_fault+0x8/0x30
[  246.937294]  page_fault+0x1e/0x30
[  246.940750] RIP: 0033:0x40f9c0
[  246.943956] Code: Bad RIP value.
[  246.947320] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  246.952682] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  246.959950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  246.967220] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  246.974599] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  246.981873] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  246.989166] warn_alloc_show_mem: 1 callbacks suppressed
[  246.989178] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  246.989180] Mem-Info:
[  246.989211] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  246.989211]  active_file:14 inactive_file:15 isolated_file:0
[  246.989211]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.989211]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  246.989211]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  246.989211]  free:13731 free_pcp:182 free_cma:0
[  246.994644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.001575] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.003976] Call Trace:
[  247.037029] 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
[  247.046484]  <IRQ>
[  247.074323] lowmem_reserve[]: 0 2818 6321 6321
[  247.076920]  dump_stack+0x244/0x39d
[  247.103014] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  247.105172]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.109732] lowmem_reserve[]: 0 0 3503 3503
[  247.113371]  warn_alloc.cold.116+0xb7/0x1bd
[  247.141100] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  247.146297]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.150594] lowmem_reserve[]: 0 0 0 0
[  247.154915]  ? lock_downgrade+0x900/0x900
[  247.183876] 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
[  247.188732]  ? trace_hardirqs_off+0xb8/0x310
[  247.192500] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  247.196646]  ? trace_hardirqs_off+0xb8/0x310
[  247.210141] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  247.214555]  __alloc_pages_slowpath+0x26e8/0x2e10
[  247.229704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.234138]  ? warn_alloc+0x120/0x120
[  247.249433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.254269]  ? print_usage_bug+0xc0/0xc0
[  247.263081] 2704 total pagecache pages
[  247.266872]  ? warn_alloc+0x120/0x120
[  247.275433] 0 pages in swap cache
[  247.279482]  ? warn_alloc+0x120/0x120
[  247.283356] Swap cache stats: add 0, delete 0, find 0/0
[  247.287147]  ? print_usage_bug+0xc0/0xc0
[  247.290576] Free swap  = 0kB
[  247.294387]  ? print_usage_bug+0xc0/0xc0
[  247.299724] Total swap = 0kB
[  247.303778]  ? __lock_acquire+0x62f/0x4c20
[  247.306774] 1965979 pages RAM
[  247.310838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.313835] 0 pages HighMem/MovableOnly
[  247.318066]  ? should_fail+0x22d/0xd01
[  247.321145] 342858 pages reserved
[  247.326673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.330620] 0 pages cma reserved
[  247.334500]  ? __lock_acquire+0x62f/0x4c20
[  247.338014] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.343022]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.346454] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.350603]  ? __lock_acquire+0x62f/0x4c20
[  247.357071] syz-fuzzer cpuset=/ mems_allowed=0
[  247.362164]  ? should_fail+0x22d/0xd01
[  247.385046]  ? find_held_lock+0x36/0x1c0
[  247.389119]  ? mark_held_locks+0x130/0x130
[  247.393368]  ? mark_held_locks+0x130/0x130
[  247.397613]  ? zap_class+0x640/0x640
[  247.401329]  ? zap_class+0x640/0x640
[  247.405049]  ? print_usage_bug+0xc0/0xc0
[  247.409110]  ? do_raw_spin_unlock+0xa7/0x330
[  247.413519]  ? zap_class+0x640/0x640
[  247.417233]  ? print_usage_bug+0xc0/0xc0
[  247.421293]  ? wq_watchdog_touch+0x9c/0xfe
[  247.425536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.431075]  ? check_preemption_disabled+0x48/0x280
[  247.436104]  ? __lock_is_held+0xb5/0x140
[  247.440174]  __alloc_pages_nodemask+0xa80/0xde0
[  247.444844]  ? zap_class+0x640/0x640
[  247.448571]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  247.453617]  ? find_held_lock+0x36/0x1c0
[  247.457697]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.462374]  ? lock_downgrade+0x900/0x900
[  247.466532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.472076]  cache_grow_begin+0xa5/0x8c0
[  247.476143]  ? do_raw_spin_unlock+0xa7/0x330
[  247.480560]  fallback_alloc+0x204/0x2e0
[  247.484551]  ____cache_alloc_node+0x1c7/0x1e0
[  247.489064]  kmem_cache_alloc_node+0xe3/0x730
[  247.493565]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.497823]  __alloc_skb+0x119/0x770
[  247.501536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.506824]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.511237]  ? lock_downgrade+0x900/0x900
[  247.515399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.520939]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.526394]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.531846]  ? addrconf_rs_timer+0x690/0x690
[  247.536268]  ndisc_alloc_skb+0x144/0x340
[  247.540338]  ndisc_send_rs+0x331/0x6e0
[  247.544237]  addrconf_rs_timer+0x314/0x690
[  247.548480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.552728]  call_timer_fn+0x272/0x920
[  247.556621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.560855]  ? process_timeout+0x40/0x40
[  247.564944]  ? __run_timers+0x7da/0xc70
[  247.568924]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.573424]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.577933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.582174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.586761]  ? trace_hardirqs_on+0xbd/0x310
[  247.591084]  ? kasan_check_read+0x11/0x20
[  247.595232]  ? __run_timers+0x7da/0xc70
[  247.599208]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.604315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.608560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.612801]  __run_timers+0x7e5/0xc70
[  247.616627]  ? timer_fixup_init+0x70/0x70
[  247.620792]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.625813]  ? zap_class+0x640/0x640
[  247.629537]  ? enqueue_hrtimer+0x1a5/0x560
[  247.633792]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.639205]  ? find_held_lock+0x36/0x1c0
[  247.643276]  ? zap_class+0x640/0x640
[  247.646996]  ? pvclock_read_flags+0x160/0x160
[  247.651511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.657065]  ? check_preemption_disabled+0x48/0x280
[  247.662092]  ? __lock_is_held+0xb5/0x140
[  247.666159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.671697]  ? check_preemption_disabled+0x48/0x280
[  247.676722]  run_timer_softirq+0x52/0xb0
[  247.680785]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.685802]  __do_softirq+0x308/0xb7e
[  247.689614]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.694111]  ? lock_downgrade+0x900/0x900
[  247.698264]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.703383]  ? pvclock_read_flags+0x160/0x160
[  247.707883]  ? lapic_next_event+0x5a/0x90
[  247.712053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.717604]  ? kvm_clock_read+0x18/0x30
[  247.721597]  ? kvm_sched_clock_read+0x9/0x20
[  247.726010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.731551]  ? check_preemption_disabled+0x48/0x280
[  247.736595]  irq_exit+0x17f/0x1c0
[  247.740061]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.744907]  ? smp_reschedule_interrupt+0x109/0x650
[  247.749928]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.755819]  ? interrupt_entry+0xb5/0xc0
[  247.759886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.764901]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.770412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.775263]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.780280]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.785297]  ? task_prio+0x50/0x50
[  247.788842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.794382]  ? check_preemption_disabled+0x48/0x280
[  247.799406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.804262]  apic_timer_interrupt+0xf/0x20
[  247.808491]  </IRQ>
[  247.810737] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.815667] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  247.834568] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  247.842287] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.849556] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  247.856846] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  247.864113] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.871382] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  247.878695]  skb_clone+0x1bb/0x500
[  247.882241]  ? finish_task_switch+0x1b4/0x910
[  247.886739]  ? skb_split+0x11e0/0x11e0
[  247.890635]  ? preempt_notifier_register+0x200/0x200
[  247.895741]  ? __switch_to_asm+0x34/0x70
[  247.899806]  ? __switch_to_asm+0x34/0x70
[  247.903866]  ? __switch_to_asm+0x40/0x70
[  247.907932]  ? __switch_to_asm+0x34/0x70
[  247.911994]  ? __switch_to_asm+0x40/0x70
[  247.916059]  ? __switch_to_asm+0x34/0x70
[  247.920119]  ? __switch_to_asm+0x40/0x70
[  247.924180]  ? __switch_to_asm+0x34/0x70
[  247.928246]  ? __switch_to_asm+0x34/0x70
[  247.932306]  ? __switch_to_asm+0x40/0x70
[  247.936374]  ? __switch_to_asm+0x34/0x70
[  247.940444]  bpf_clone_redirect+0xb9/0x490
[  247.944680]  ? __schedule+0x8d7/0x21d0
[  247.948573]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  247.953608]  ? __sched_text_start+0x8/0x8
[  247.957757]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.962528]  ? find_held_lock+0x36/0x1c0
[  247.966605]  ? lock_acquire+0x1ed/0x520
[  247.970592]  ? bpf_test_run+0x3cb/0x780
[  247.974571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.980118]  ? check_preemption_disabled+0x48/0x280
[  247.985143]  ? kasan_check_read+0x11/0x20
[  247.989291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.994568]  ? rcu_softirq_qs+0x20/0x20
[  247.998556]  ? preempt_schedule+0x4d/0x60
[  248.002713]  ? ___preempt_schedule+0x16/0x18
[  248.007131]  ? bpf_test_run+0x25d/0x780
[  248.011121]  ? netlink_diag_dump+0x2a0/0x2a0
[  248.015537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.021081]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  248.025848]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  248.030696]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  248.036238]  ? fput+0x130/0x1a0
[  248.039522]  ? __bpf_prog_get+0x9b/0x290
[  248.043594]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  248.048442]  ? bpf_prog_test_run+0x130/0x1a0
[  248.052857]  ? __x64_sys_bpf+0x3d8/0x520
[  248.056929]  ? bpf_prog_get+0x20/0x20
[  248.060757]  ? do_syscall_64+0x1b9/0x820
[  248.064821]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  248.070188]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.075127]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.080162]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  248.085181]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  248.091851]  ? __switch_to_asm+0x40/0x70
[  248.095912]  ? __switch_to_asm+0x34/0x70
[  248.099984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.104836]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  248.110236] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  248.110307] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.116817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.116822] Call Trace:
[  248.116829]  <IRQ>
[  248.116852]  dump_stack+0x244/0x39d
[  248.116870]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.123428] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.132734]  warn_alloc.cold.116+0xb7/0x1bd
[  248.135290] syz-executor1 cpuset=syz1 mems_allowed=0
[  248.137433]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.170911]  ? lock_downgrade+0x900/0x900
[  248.175072]  ? trace_hardirqs_off+0xb8/0x310
[  248.179489]  ? trace_hardirqs_off+0xb8/0x310
[  248.183912]  __alloc_pages_slowpath+0x26e8/0x2e10
[  248.188786]  ? warn_alloc+0x120/0x120
[  248.192599]  ? print_usage_bug+0xc0/0xc0
[  248.196667]  ? warn_alloc+0x120/0x120
[  248.200473]  ? warn_alloc+0x120/0x120
[  248.204277]  ? print_usage_bug+0xc0/0xc0
[  248.208342]  ? kvm_clock_read+0x18/0x30
[  248.212321]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.217345]  ? print_usage_bug+0xc0/0xc0
[  248.221407]  ? __lock_acquire+0x62f/0x4c20
[  248.225650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.231210]  ? should_fail+0x22d/0xd01
[  248.235098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.240380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.245489]  ? __lock_acquire+0x62f/0x4c20
[  248.249730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.254839]  ? __lock_acquire+0x62f/0x4c20
[  248.259077]  ? should_fail+0x22d/0xd01
[  248.262968]  ? rcu_irq_exit+0x1a2/0x390
[  248.266954]  ? mark_held_locks+0x130/0x130
[  248.271211]  ? mark_held_locks+0x130/0x130
[  248.275453]  ? mark_held_locks+0xc7/0x130
[  248.279611]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  248.284632]  ? zap_class+0x640/0x640
[  248.288348]  ? print_usage_bug+0xc0/0xc0
[  248.292421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.297963]  ? check_preemption_disabled+0x48/0x280
[  248.302990]  ? __lock_is_held+0xb5/0x140
[  248.307059]  __alloc_pages_nodemask+0xa80/0xde0
[  248.311728]  ? zap_class+0x640/0x640
[  248.315453]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.320501]  ? find_held_lock+0x36/0x1c0
[  248.324574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.329256]  ? lock_downgrade+0x900/0x900
[  248.333412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.338978]  cache_grow_begin+0xa5/0x8c0
[  248.343039]  ? do_raw_spin_unlock+0xa7/0x330
[  248.347461]  fallback_alloc+0x204/0x2e0
[  248.351449]  ____cache_alloc_node+0x1c7/0x1e0
[  248.355951]  kmem_cache_alloc_node+0xe3/0x730
[  248.360448]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.364697]  __alloc_skb+0x119/0x770
[  248.368411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.373698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  248.378108]  ? lock_downgrade+0x900/0x900
[  248.382269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.387812]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.393270]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.398758]  ? addrconf_rs_timer+0x690/0x690
[  248.403177]  ndisc_alloc_skb+0x144/0x340
[  248.407247]  ndisc_send_rs+0x331/0x6e0
[  248.411142]  addrconf_rs_timer+0x314/0x690
[  248.415383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.419631]  call_timer_fn+0x272/0x920
[  248.423517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.427755]  ? process_timeout+0x40/0x40
[  248.431827]  ? mark_held_locks+0xc7/0x130
[  248.435995]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.440495]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.444987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.449228]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.453812]  ? trace_hardirqs_on+0xbd/0x310
[  248.458141]  ? kasan_check_read+0x11/0x20
[  248.462291]  ? __run_timers+0x7da/0xc70
[  248.466269]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.471377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.475622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.479885]  __run_timers+0x7e5/0xc70
[  248.483699]  ? timer_fixup_init+0x70/0x70
[  248.487861]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.492888]  ? zap_class+0x640/0x640
[  248.496614]  ? print_usage_bug+0xc0/0xc0
[  248.500679]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.505883]  ? find_held_lock+0x36/0x1c0
[  248.509951]  ? zap_class+0x640/0x640
[  248.513677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.519219]  ? check_preemption_disabled+0x48/0x280
[  248.524247]  ? __lock_is_held+0xb5/0x140
[  248.528314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.533858]  ? check_preemption_disabled+0x48/0x280
[  248.538882]  run_timer_softirq+0x52/0xb0
[  248.542945]  ? rcu_read_lock_sched_held+0x14f/0x180
[  248.547962]  __do_softirq+0x308/0xb7e
[  248.551768]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  248.556265]  ? lock_downgrade+0x900/0x900
[  248.560421]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  248.565536]  ? pvclock_read_flags+0x160/0x160
[  248.570035]  ? lapic_next_event+0x5a/0x90
[  248.574193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.579743]  ? kvm_clock_read+0x18/0x30
[  248.583721]  ? kvm_sched_clock_read+0x9/0x20
[  248.588134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.593675]  ? check_preemption_disabled+0x48/0x280
[  248.598701]  irq_exit+0x17f/0x1c0
[  248.602163]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.607009]  ? smp_reschedule_interrupt+0x109/0x650
[  248.612030]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.617916]  ? interrupt_entry+0xb5/0xc0
[  248.621981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.626996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.632015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.636869]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.641887]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.646909]  ? task_prio+0x50/0x50
[  248.650457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.656001]  ? check_preemption_disabled+0x48/0x280
[  248.661032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.665977]  apic_timer_interrupt+0xf/0x20
[  248.670211]  </IRQ>
[  248.672455] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  248.678613] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  248.697526] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  248.705239] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  248.712511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  248.719779] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  248.727049] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  248.734318] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  248.741624]  ? unlock_page+0x25d/0x4c0
[  248.745530]  unlock_page+0x25d/0x4c0
[  248.749248]  ? wake_up_page_bit+0x6f0/0x6f0
[  248.753570]  ? shrink_page_list+0x7e68/0xccd0
[  248.758074]  ? shrink_page_list+0x7e68/0xccd0
[  248.762576]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.767175]  ? shrink_inactive_list+0x77b/0x1c60
[  248.771934]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.777048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.782601]  ? check_preemption_disabled+0x48/0x280
[  248.787623]  ? shrink_page_list+0x145c/0xccd0
[  248.792127]  shrink_page_list+0x3714/0xccd0
[  248.796485]  ? page_evictable+0x540/0x540
[  248.800808]  ? rb_erase_cached+0xc78/0x3720
[  248.805136]  ? rb_erase_cached+0xc78/0x3720
[  248.809468]  ? rb_next+0x140/0x140
[  248.813015]  ? rb_next+0x140/0x140
[  248.816567]  ? rb_next+0x140/0x140
[  248.820197]  ? zap_class+0x640/0x640
[  248.823915]  ? zap_class+0x640/0x640
[  248.827629]  ? zap_class+0x640/0x640
[  248.831344]  ? zap_class+0x640/0x640
[  248.835061]  ? __update_load_avg_se+0x5eb/0xae0
[  248.839733]  ? __update_load_avg_blocked_se+0x690/0x690
[  248.845103]  ? __update_load_avg_se+0xae0/0xae0
[  248.849773]  ? zap_class+0x640/0x640
[  248.853499]  ? update_load_avg+0x387/0x2470
[  248.857830]  ? attach_entity_load_avg+0x860/0x860
[  248.862688]  ? update_load_avg+0x387/0x2470
[  248.867024]  ? attach_entity_load_avg+0x860/0x860
[  248.871879]  ? attach_entity_load_avg+0x860/0x860
[  248.876734]  ? attach_entity_load_avg+0x860/0x860
[  248.881581]  ? rb_erase+0x3710/0x3710
[  248.885393]  ? rb_erase+0x3710/0x3710
[  248.889194]  ? rb_erase+0x3710/0x3710
[  248.893002]  ? rb_erase+0x3710/0x3710
[  248.896809]  ? rb_erase+0x3710/0x3710
[  248.900625]  ? __lock_acquire+0x62f/0x4c20
[  248.904878]  ? zap_class+0x640/0x640
[  248.908604]  ? print_usage_bug+0xc0/0xc0
[  248.912668]  ? zap_class+0x640/0x640
[  248.916387]  ? zap_class+0x640/0x640
[  248.920103]  ? print_usage_bug+0xc0/0xc0
[  248.924168]  ? print_usage_bug+0xc0/0xc0
[  248.928234]  ? zap_class+0x640/0x640
[  248.931948]  ? __lock_is_held+0xb5/0x140
[  248.936041]  ? print_usage_bug+0xc0/0xc0
[  248.940117]  ? __lock_acquire+0x62f/0x4c20
[  248.944359]  ? mark_held_locks+0x130/0x130
[  248.948605]  ? print_usage_bug+0xc0/0xc0
[  248.952684]  ? rb_erase_cached+0xc78/0x3720
[  248.957014]  ? rb_next+0x140/0x140
[  248.960557]  ? rb_next+0x140/0x140
[  248.964114]  ? __lock_acquire+0x62f/0x4c20
[  248.968350]  ? __lock_acquire+0x62f/0x4c20
[  248.972598]  ? rcu_note_context_switch+0x12ad/0x2150
[  248.977706]  ? print_usage_bug+0xc0/0xc0
[  248.981786]  ? mark_held_locks+0x130/0x130
[  248.986027]  ? zap_class+0x640/0x640
[  248.989749]  ? print_usage_bug+0xc0/0xc0
[  248.993807]  ? put_dec+0x3b/0xf0
[  248.997193]  ? rb_next+0x140/0x140
[  249.000738]  ? __lock_acquire+0x62f/0x4c20
[  249.004976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.010521]  ? check_preemption_disabled+0x48/0x280
[  249.015556]  ? print_usage_bug+0xc0/0xc0
[  249.019638]  ? rb_erase_cached+0xc78/0x3720
[  249.023968]  ? rb_next+0x140/0x140
[  249.027521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.033063]  ? __isolate_lru_page+0xd05/0x1540
[  249.037661]  ? print_usage_bug+0xc0/0xc0
[  249.041731]  ? mark_held_locks+0x130/0x130
[  249.045967]  ? zap_class+0x640/0x640
[  249.049684]  ? update_load_avg+0x13b8/0x2470
[  249.054104]  ? print_usage_bug+0xc0/0xc0
[  249.058169]  ? zap_class+0x640/0x640
[  249.061884]  ? __lock_acquire+0x62f/0x4c20
[  249.066127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.071668]  ? check_preemption_disabled+0x48/0x280
[  249.076699]  ? __update_load_avg_blocked_se+0x690/0x690
[  249.082068]  ? __update_load_avg_se+0xae0/0xae0
[  249.086736]  ? zap_class+0x640/0x640
[  249.090465]  ? update_load_avg+0x387/0x2470
[  249.094796]  ? attach_entity_load_avg+0x860/0x860
[  249.099651]  ? update_load_avg+0x387/0x2470
[  249.103982]  ? attach_entity_load_avg+0x860/0x860
[  249.108831]  ? attach_entity_load_avg+0x860/0x860
[  249.113689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.119233]  ? __isolate_lru_page+0xd05/0x1540
[  249.123820]  ? putback_lru_page+0x280/0x280
[  249.128149]  ? rb_erase+0x3710/0x3710
[  249.131966]  ? mark_held_locks+0x130/0x130
[  249.136205]  ? cpuacct_charge+0x265/0x440
[  249.140360]  ? find_held_lock+0x36/0x1c0
[  249.144437]  ? zap_class+0x640/0x640
[  249.148158]  ? print_usage_bug+0xc0/0xc0
[  249.152226]  ? zap_class+0x640/0x640
[  249.155939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.160872]  ? kasan_check_read+0x11/0x20
[  249.165022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.170305]  ? zap_class+0x640/0x640
[  249.174022]  ? __lock_is_held+0xb5/0x140
[  249.178095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.183639]  ? check_preemption_disabled+0x48/0x280
[  249.188673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.194216]  ? check_preemption_disabled+0x48/0x280
[  249.199232]  ? __lock_is_held+0xb5/0x140
[  249.203300]  ? __this_cpu_preempt_check+0x1c/0x20
[  249.208147]  ? __mod_zone_page_state+0x8a/0xf0
[  249.212740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.218280]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  249.223496]  ? __isolate_lru_page+0x1540/0x1540
[  249.228180]  ? zap_class+0x640/0x640
[  249.231900]  ? print_usage_bug+0xc0/0xc0
[  249.235967]  ? __account_cfs_rq_runtime+0x790/0x790
[  249.240992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.246537]  ? find_held_lock+0x36/0x1c0
[  249.250612]  ? zap_class+0x640/0x640
[  249.254329]  ? print_usage_bug+0xc0/0xc0
[  249.258395]  ? mark_held_locks+0xc7/0x130
[  249.262552]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.267064]  ? zap_class+0x640/0x640
[  249.270781]  ? print_usage_bug+0xc0/0xc0
[  249.274871]  ? mark_held_locks+0xc7/0x130
[  249.279028]  ? find_held_lock+0x36/0x1c0
[  249.283119]  ? mark_held_locks+0xc7/0x130
[  249.287288]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.291783]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.296280]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.300875]  ? trace_hardirqs_on+0xbd/0x310
[  249.305200]  ? kasan_check_read+0x11/0x20
[  249.309354]  ? shrink_inactive_list+0x741/0x1c60
[  249.314114]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.319221]  ? trace_hardirqs_on+0x310/0x310
[  249.323634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.329179]  ? check_preemption_disabled+0x48/0x280
[  249.334206]  shrink_inactive_list+0x77b/0x1c60
[  249.338805]  ? putback_inactive_pages+0x27e0/0x27e0
[  249.343831]  ? kasan_check_read+0x11/0x20
[  249.347990]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  249.353274]  ? __rcu_read_unlock+0x2d6/0x2e0
[  249.357689]  ? blk_lld_busy+0x70/0x70
[  249.361492]  ? kasan_check_read+0x11/0x20
[  249.365654]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  249.370608]  shrink_node_memcg+0x78b/0x18f0
[  249.374951]  ? shrink_active_list+0x1f00/0x1f00
[  249.379640]  ? lock_downgrade+0x900/0x900
[  249.383793]  ? check_flush_dependency+0x410/0x410
[  249.388646]  ? kasan_check_read+0x11/0x20
[  249.392797]  ? do_raw_spin_unlock+0xa7/0x330
[  249.397216]  ? ___preempt_schedule+0x16/0x18
[  249.401635]  ? _raw_spin_unlock+0x3f/0x50
[  249.405795]  shrink_node+0x3bc/0x16b0
[  249.409612]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  249.414919]  ? shrink_node_memcg+0x18f0/0x18f0
[  249.419502]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.424090]  ? trace_hardirqs_on+0xbd/0x310
[  249.428418]  ? vmpressure+0x271/0x340
[  249.432224]  ? do_raw_spin_trylock+0x270/0x270
[  249.436819]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.442368]  ? __cpuset_node_allowed+0x19b/0x660
[  249.447131]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  249.452852]  ? vmpressure+0x1a2/0x340
[  249.456666]  do_try_to_free_pages+0x3e7/0x1290
[  249.461264]  ? zap_class+0x640/0x640
[  249.464997]  ? shrink_node+0x16b0/0x16b0
[  249.469064]  ? __lock_is_held+0xb5/0x140
[  249.473142]  try_to_free_pages+0x4d0/0xb90
[  249.477385]  ? do_try_to_free_pages+0x1290/0x1290
[  249.482246]  ? lock_acquire+0x1ed/0x520
[  249.486222]  ? set_page_refcounted+0x280/0x280
[  249.490817]  ? lock_release+0xa00/0xa00
[  249.494809]  ? _raw_spin_unlock_irq+0x60/0x80
[  249.499311]  ? psi_memstall_enter+0x240/0x2b0
[  249.503808]  ? psi_memstall_tick+0x230/0x230
[  249.508235]  __alloc_pages_slowpath+0xa14/0x2e10
[  249.513024]  ? warn_alloc+0x120/0x120
[  249.516825]  ? mark_held_locks+0x130/0x130
[  249.521071]  ? find_get_entry+0xaae/0x1120
[  249.525318]  ? filemap_map_pages+0x1a20/0x1a20
[  249.529907]  ? zap_class+0x640/0x640
[  249.533630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.539177]  ? check_preemption_disabled+0x48/0x280
[  249.544200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.549740]  ? should_fail+0x22d/0xd01
[  249.553636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.558746]  ? zap_class+0x640/0x640
[  249.562493]  ? __lock_is_held+0xb5/0x140
[  249.566568]  ? mark_held_locks+0x130/0x130
[  249.570860]  ? lock_release+0xa00/0xa00
[  249.574840]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.580299]  ? xa_load+0x2ba/0x460
[  249.583850]  ? lock_downgrade+0x900/0x900
[  249.588005]  ? __might_sleep+0x95/0x190
[  249.591991]  __alloc_pages_nodemask+0xa80/0xde0
[  249.596672]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.601697]  ? __page_cache_alloc+0x191/0x5c0
[  249.606193]  ? xa_load+0x2e1/0x460
[  249.609739]  ? xa_clear_mark+0x40/0x40
[  249.613632]  ? zap_class+0x640/0x640
[  249.617355]  ? zap_class+0x640/0x640
[  249.621068]  ? zap_class+0x640/0x640
[  249.624784]  ? __do_page_cache_readahead+0x663/0x810
[  249.629897]  ? find_held_lock+0x36/0x1c0
[  249.633970]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  249.639768]  alloc_pages_current+0x173/0x350
[  249.644188]  __page_cache_alloc+0x38c/0x5c0
[  249.648509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.653439]  ? kasan_check_read+0x11/0x20
[  249.657598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.662890]  ? generic_perform_write+0x6a0/0x6a0
[  249.667651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.673191]  ? check_preemption_disabled+0x48/0x280
[  249.678217]  filemap_fault+0x1595/0x25f0
[  249.682295]  ? __lock_page_or_retry+0xa00/0xa00
[  249.686974]  ? mark_held_locks+0x130/0x130
[  249.691226]  ? filemap_map_pages+0xd6b/0x1a20
[  249.695728]  ? lock_downgrade+0x900/0x900
[  249.699881]  ? check_preemption_disabled+0x48/0x280
[  249.704907]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.709843]  ? kasan_check_read+0x11/0x20
[  249.713998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.719274]  ? rcu_softirq_qs+0x20/0x20
[  249.723268]  ? filemap_map_pages+0xd92/0x1a20
[  249.727778]  ? find_get_entries_tag+0x1400/0x1400
[  249.732629]  ? debug_object_destroy+0x2b0/0x2b0
[  249.737301]  ? lock_pi_update_atomic+0x150/0x150
[  249.742063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.747624]  ? lock_acquire+0x1ed/0x520
[  249.751611]  ? ext4_filemap_fault+0x7a/0xad
[  249.755945]  ? lock_release+0xa00/0xa00
[  249.759921]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.765374]  ? print_usage_bug+0xc0/0xc0
[  249.769715]  ? print_usage_bug+0xc0/0xc0
[  249.773793]  ? down_read+0x8d/0x120
[  249.777423]  ? ext4_filemap_fault+0x7a/0xad
[  249.781752]  ? __down_interruptible+0x700/0x700
[  249.786434]  ext4_filemap_fault+0x82/0xad
[  249.790598]  __do_fault+0x100/0x6b0
[  249.794233]  ? find_held_lock+0x36/0x1c0
[  249.798303]  ? pmd_devmap_trans_unstable+0x220/0x220
[  249.803413]  ? mark_held_locks+0x130/0x130
[  249.807654]  ? mark_held_locks+0x130/0x130
[  249.811896]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.816394]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.820922]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.825514]  ? kasan_check_read+0x11/0x20
[  249.829671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.835215]  __handle_mm_fault+0x3ea6/0x5be0
[  249.839635]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  249.844481]  ? finish_task_switch+0x1f4/0x910
[  249.848977]  ? finish_task_switch+0x1b4/0x910
[  249.853479]  ? __switch_to_asm+0x34/0x70
[  249.857549]  ? preempt_notifier_register+0x200/0x200
[  249.862664]  ? __switch_to_asm+0x34/0x70
[  249.866727]  ? __switch_to_asm+0x34/0x70
[  249.870807]  ? zap_class+0x640/0x640
[  249.874527]  ? zap_class+0x640/0x640
[  249.878245]  ? __x64_sys_futex+0x53e/0x6a0
[  249.882492]  ? find_held_lock+0x36/0x1c0
[  249.886569]  ? handle_mm_fault+0x42a/0xc70
[  249.890814]  ? lock_downgrade+0x900/0x900
[  249.894969]  ? check_preemption_disabled+0x48/0x280
[  249.899992]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.904926]  ? kasan_check_read+0x11/0x20
[  249.909075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.914356]  ? rcu_softirq_qs+0x20/0x20
[  249.918335]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.923442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.928981]  ? check_preemption_disabled+0x48/0x280
[  249.934008]  handle_mm_fault+0x54f/0xc70
[  249.938077]  ? __handle_mm_fault+0x5be0/0x5be0
[  249.942666]  ? find_vma+0x34/0x190
[  249.946214]  __do_page_fault+0x5e8/0xe60
[  249.950275]  ? trace_hardirqs_off+0xb8/0x310
[  249.954695]  do_page_fault+0xf2/0x7e0
[  249.958502]  ? vmalloc_sync_all+0x30/0x30
[  249.962651]  ? error_entry+0x70/0xd0
[  249.966369]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.971389]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.976319]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.981251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.986100]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.991116]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.996574]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.001613]  ? page_fault+0x8/0x30
[  250.005159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.010011]  ? page_fault+0x8/0x30
[  250.013553]  page_fault+0x1e/0x30
[  250.017011] RIP: 0033:0x40f9c0
[  250.020217] Code: Bad RIP value.
[  250.023581] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  250.028956] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  250.036221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  250.043492] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  250.050758] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  250.058028] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  250.065323] warn_alloc_show_mem: 1 callbacks suppressed
[  250.065334] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  250.065336] Mem-Info:
[  250.065368] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  250.065368]  active_file:14 inactive_file:15 isolated_file:0
[  250.065368]  unevictable:0 dirty:0 writeback:0 unstable:0
[  250.065368]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  250.065368]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  250.065368]  free:13731 free_pcp:182 free_cma:0
[  250.070715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.077647] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  250.080050] Call Trace:
[  250.113093] 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
[  250.122438]  <IRQ>
[  250.150275] lowmem_reserve[]: 0 2818 6321 6321
[  250.152871]  dump_stack+0x244/0x39d
[  250.178965] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  250.181127]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.185679] lowmem_reserve[]: 0 0 3503 3503
[  250.189308]  warn_alloc.cold.116+0xb7/0x1bd
[  250.217046] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  250.222245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.226532] lowmem_reserve[]: 0 0 0 0
[  250.230865]  ? lock_downgrade+0x900/0x900
[  250.259822] 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
[  250.264680]  ? trace_hardirqs_off+0xb8/0x310
[  250.268451] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  250.272609]  ? trace_hardirqs_off+0xb8/0x310
[  250.286106] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  250.290525]  __alloc_pages_slowpath+0x26e8/0x2e10
[  250.305680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  250.310110]  ? warn_alloc+0x120/0x120
[  250.325425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  250.330268]  ? print_usage_bug+0xc0/0xc0
[  250.339083] 2704 total pagecache pages
[  250.342886]  ? warn_alloc+0x120/0x120
[  250.351443] 0 pages in swap cache
[  250.355508]  ? warn_alloc+0x120/0x120
[  250.359372] Swap cache stats: add 0, delete 0, find 0/0
[  250.363169]  ? print_usage_bug+0xc0/0xc0
[  250.366601] Free swap  = 0kB
[  250.370406]  ? print_usage_bug+0xc0/0xc0
[  250.375742] Total swap = 0kB
[  250.379801]  ? __lock_acquire+0x62f/0x4c20
[  250.382794] 1965979 pages RAM
[  250.386858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.389852] 0 pages HighMem/MovableOnly
[  250.394103]  ? should_fail+0x22d/0xd01
[  250.397181] 342858 pages reserved
[  250.402719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.406669] 0 pages cma reserved
[  250.410555]  ? __lock_acquire+0x62f/0x4c20
[  250.414040] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.419080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.419095]  ? __lock_acquire+0x62f/0x4c20
[  250.419110]  ? should_fail+0x22d/0xd01
[  250.422518] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.426691]  ? find_held_lock+0x36/0x1c0
[  250.433161] syz-fuzzer cpuset=/ mems_allowed=0
[  250.438263]  ? mark_held_locks+0x130/0x130
[  250.469756]  ? mark_held_locks+0x130/0x130
[  250.473994]  ? zap_class+0x640/0x640
[  250.477711]  ? zap_class+0x640/0x640
[  250.481432]  ? print_usage_bug+0xc0/0xc0
[  250.485491]  ? do_raw_spin_unlock+0xa7/0x330
[  250.489911]  ? zap_class+0x640/0x640
[  250.493629]  ? print_usage_bug+0xc0/0xc0
[  250.497694]  ? wq_watchdog_touch+0x9c/0xfe
[  250.501935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.507477]  ? check_preemption_disabled+0x48/0x280
[  250.512511]  ? __lock_is_held+0xb5/0x140
[  250.516590]  __alloc_pages_nodemask+0xa80/0xde0
[  250.521268]  ? zap_class+0x640/0x640
[  250.524991]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  250.530020]  ? find_held_lock+0x36/0x1c0
[  250.534097]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.538777]  ? lock_downgrade+0x900/0x900
[  250.542936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.548486]  cache_grow_begin+0xa5/0x8c0
[  250.552552]  ? do_raw_spin_unlock+0xa7/0x330
[  250.556980]  fallback_alloc+0x204/0x2e0
[  250.560970]  ____cache_alloc_node+0x1c7/0x1e0
[  250.565529]  kmem_cache_alloc_node+0xe3/0x730
[  250.570025]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.574269]  __alloc_skb+0x119/0x770
[  250.577986]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.583276]  ? netdev_alloc_frag+0x1f0/0x1f0
[  250.587708]  ? lock_downgrade+0x900/0x900
[  250.591868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.597412]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.602871]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.608324]  ? addrconf_rs_timer+0x690/0x690
[  250.612767]  ndisc_alloc_skb+0x144/0x340
[  250.616835]  ndisc_send_rs+0x331/0x6e0
[  250.620735]  addrconf_rs_timer+0x314/0x690
[  250.624975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.629221]  call_timer_fn+0x272/0x920
[  250.633116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.637367]  ? process_timeout+0x40/0x40
[  250.641440]  ? __run_timers+0x7da/0xc70
[  250.645419]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.649915]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.654409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.658647]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.663233]  ? trace_hardirqs_on+0xbd/0x310
[  250.667561]  ? kasan_check_read+0x11/0x20
[  250.671718]  ? __run_timers+0x7da/0xc70
[  250.675696]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.680809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.685052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.689289]  __run_timers+0x7e5/0xc70
[  250.693105]  ? timer_fixup_init+0x70/0x70
[  250.697260]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.702279]  ? zap_class+0x640/0x640
[  250.706006]  ? enqueue_hrtimer+0x1a5/0x560
[  250.710247]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.715494]  ? find_held_lock+0x36/0x1c0
[  250.719562]  ? zap_class+0x640/0x640
[  250.723293]  ? pvclock_read_flags+0x160/0x160
[  250.727792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.733339]  ? check_preemption_disabled+0x48/0x280
[  250.738376]  ? __lock_is_held+0xb5/0x140
[  250.742441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.747982]  ? check_preemption_disabled+0x48/0x280
[  250.753014]  run_timer_softirq+0x52/0xb0
[  250.757078]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.762100]  __do_softirq+0x308/0xb7e
[  250.765910]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.770930]  ? lock_downgrade+0x900/0x900
[  250.775084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.780196]  ? pvclock_read_flags+0x160/0x160
[  250.784699]  ? lapic_next_event+0x5a/0x90
[  250.788851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.794401]  ? kvm_clock_read+0x18/0x30
[  250.798384]  ? kvm_sched_clock_read+0x9/0x20
[  250.802797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.808340]  ? check_preemption_disabled+0x48/0x280
[  250.813381]  irq_exit+0x17f/0x1c0
[  250.816843]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.821689]  ? smp_reschedule_interrupt+0x109/0x650
[  250.826715]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.832610]  ? interrupt_entry+0xb5/0xc0
[  250.836685]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.841702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.846723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.851568]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.856603]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.861627]  ? task_prio+0x50/0x50
[  250.865172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.870730]  ? check_preemption_disabled+0x48/0x280
[  250.875756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.880620]  apic_timer_interrupt+0xf/0x20
[  250.884854]  </IRQ>
[  250.887096] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.892033] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  250.910945] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.918669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  250.925945] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  250.933268] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  250.940537] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  250.947814] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  250.955130]  skb_clone+0x1bb/0x500
[  250.958681]  ? finish_task_switch+0x1b4/0x910
[  250.963184]  ? skb_split+0x11e0/0x11e0
[  250.967087]  ? preempt_notifier_register+0x200/0x200
[  250.972201]  ? __switch_to_asm+0x34/0x70
[  250.976270]  ? __switch_to_asm+0x34/0x70
[  250.980330]  ? __switch_to_asm+0x40/0x70
[  250.984400]  ? __switch_to_asm+0x34/0x70
[  250.988466]  ? __switch_to_asm+0x40/0x70
[  250.992531]  ? __switch_to_asm+0x34/0x70
[  250.996605]  ? __switch_to_asm+0x40/0x70
[  251.000670]  ? __switch_to_asm+0x34/0x70
[  251.004822]  ? __switch_to_asm+0x34/0x70
[  251.008889]  ? __switch_to_asm+0x40/0x70
[  251.012968]  ? __switch_to_asm+0x34/0x70
[  251.017048]  bpf_clone_redirect+0xb9/0x490
[  251.021295]  ? __schedule+0x8d7/0x21d0
[  251.025194]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  251.030218]  ? __sched_text_start+0x8/0x8
[  251.034373]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.039148]  ? find_held_lock+0x36/0x1c0
[  251.043223]  ? lock_acquire+0x1ed/0x520
[  251.047201]  ? bpf_test_run+0x3cb/0x780
[  251.051182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.056729]  ? check_preemption_disabled+0x48/0x280
[  251.061756]  ? kasan_check_read+0x11/0x20
[  251.065910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.071190]  ? rcu_softirq_qs+0x20/0x20
[  251.075184]  ? preempt_schedule+0x4d/0x60
[  251.079336]  ? ___preempt_schedule+0x16/0x18
[  251.083761]  ? bpf_test_run+0x25d/0x780
[  251.087749]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.092170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.097719]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  251.102486]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  251.107334]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.112883]  ? fput+0x130/0x1a0
[  251.116167]  ? __bpf_prog_get+0x9b/0x290
[  251.120235]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  251.125083]  ? bpf_prog_test_run+0x130/0x1a0
[  251.129498]  ? __x64_sys_bpf+0x3d8/0x520
[  251.133562]  ? bpf_prog_get+0x20/0x20
[  251.137403]  ? do_syscall_64+0x1b9/0x820
[  251.141557]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.146934]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.151871]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.156891]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  251.161910]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  251.168579]  ? __switch_to_asm+0x40/0x70
[  251.172652]  ? __switch_to_asm+0x34/0x70
[  251.176726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.181581]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.186976] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  251.187068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.193559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.193567] Call Trace:
[  251.200171] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.209415]  <IRQ>
[  251.211992] syz-executor1 cpuset=syz1 mems_allowed=0
[  251.222470]  dump_stack+0x244/0x39d
[  251.233318]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.238527]  warn_alloc.cold.116+0xb7/0x1bd
[  251.242856]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.247704]  ? lock_downgrade+0x900/0x900
[  251.251867]  ? trace_hardirqs_off+0xb8/0x310
[  251.256284]  ? trace_hardirqs_off+0xb8/0x310
[  251.260702]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.265574]  ? warn_alloc+0x120/0x120
[  251.269391]  ? print_usage_bug+0xc0/0xc0
[  251.273461]  ? warn_alloc+0x120/0x120
[  251.277267]  ? warn_alloc+0x120/0x120
[  251.281076]  ? print_usage_bug+0xc0/0xc0
[  251.285145]  ? print_usage_bug+0xc0/0xc0
[  251.289211]  ? __lock_acquire+0x62f/0x4c20
[  251.293454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.299002]  ? should_fail+0x22d/0xd01
[  251.302899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.308014]  ? __lock_acquire+0x62f/0x4c20
[  251.312258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.317364]  ? __lock_acquire+0x62f/0x4c20
[  251.321607]  ? should_fail+0x22d/0xd01
[  251.325501]  ? find_held_lock+0x36/0x1c0
[  251.329576]  ? mark_held_locks+0x130/0x130
[  251.333830]  ? mark_held_locks+0x130/0x130
[  251.338077]  ? zap_class+0x640/0x640
[  251.341798]  ? zap_class+0x640/0x640
[  251.345522]  ? print_usage_bug+0xc0/0xc0
[  251.349595]  ? do_raw_spin_unlock+0xa7/0x330
[  251.354005]  ? zap_class+0x640/0x640
[  251.357725]  ? print_usage_bug+0xc0/0xc0
[  251.361788]  ? wq_watchdog_touch+0x9c/0xfe
[  251.366035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.371579]  ? check_preemption_disabled+0x48/0x280
[  251.376625]  ? __lock_is_held+0xb5/0x140
[  251.380698]  __alloc_pages_nodemask+0xa80/0xde0
[  251.385374]  ? zap_class+0x640/0x640
[  251.389096]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  251.394128]  ? find_held_lock+0x36/0x1c0
[  251.398205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.402884]  ? lock_downgrade+0x900/0x900
[  251.407062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.412616]  cache_grow_begin+0xa5/0x8c0
[  251.416680]  ? do_raw_spin_unlock+0xa7/0x330
[  251.421096]  fallback_alloc+0x204/0x2e0
[  251.425082]  ____cache_alloc_node+0x1c7/0x1e0
[  251.429591]  kmem_cache_alloc_node+0xe3/0x730
[  251.434094]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.438338]  __alloc_skb+0x119/0x770
[  251.442056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.447340]  ? netdev_alloc_frag+0x1f0/0x1f0
[  251.451752]  ? lock_downgrade+0x900/0x900
[  251.455910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.461448]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.466903]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.472355]  ? addrconf_rs_timer+0x690/0x690
[  251.476780]  ndisc_alloc_skb+0x144/0x340
[  251.480851]  ndisc_send_rs+0x331/0x6e0
[  251.484743]  addrconf_rs_timer+0x314/0x690
[  251.488986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.493238]  call_timer_fn+0x272/0x920
[  251.497132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.501368]  ? process_timeout+0x40/0x40
[  251.505471]  ? mark_held_locks+0xc7/0x130
[  251.509632]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.514129]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.518625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.522871]  ? lockdep_hardirqs_on+0x296/0x5b0
[  251.527458]  ? trace_hardirqs_on+0xbd/0x310
[  251.531782]  ? kasan_check_read+0x11/0x20
[  251.535932]  ? __run_timers+0x7da/0xc70
[  251.539911]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.545020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.549263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.553503]  __run_timers+0x7e5/0xc70
[  251.557321]  ? timer_fixup_init+0x70/0x70
[  251.561476]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.566495]  ? zap_class+0x640/0x640
[  251.570217]  ? print_usage_bug+0xc0/0xc0
[  251.574284]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  251.579486]  ? find_held_lock+0x36/0x1c0
[  251.583555]  ? zap_class+0x640/0x640
[  251.587283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.592823]  ? check_preemption_disabled+0x48/0x280
[  251.597864]  ? __lock_is_held+0xb5/0x140
[  251.601936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.607480]  ? check_preemption_disabled+0x48/0x280
[  251.612504]  run_timer_softirq+0x52/0xb0
[  251.616571]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.621605]  __do_softirq+0x308/0xb7e
[  251.625415]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  251.629915]  ? lock_downgrade+0x900/0x900
[  251.634069]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.639447]  ? pvclock_read_flags+0x160/0x160
[  251.643947]  ? lapic_next_event+0x5a/0x90
[  251.648100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.653647]  ? kvm_clock_read+0x18/0x30
[  251.657628]  ? kvm_sched_clock_read+0x9/0x20
[  251.662041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.667582]  ? check_preemption_disabled+0x48/0x280
[  251.672628]  irq_exit+0x17f/0x1c0
[  251.676087]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.680933]  ? smp_reschedule_interrupt+0x109/0x650
[  251.685957]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.691850]  ? interrupt_entry+0xb5/0xc0
[  251.695919]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.700938]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.705974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.710822]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.715867]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.720886]  ? task_prio+0x50/0x50
[  251.724436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.729977]  ? check_preemption_disabled+0x48/0x280
[  251.735004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.739865]  apic_timer_interrupt+0xf/0x20
[  251.744099]  </IRQ>
[  251.746345] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  251.752497] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  251.771547] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  251.779272] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  251.786550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  251.793830] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  251.801107] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  251.808375] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  251.815668]  ? unlock_page+0x25d/0x4c0
[  251.819571]  unlock_page+0x25d/0x4c0
[  251.823299]  ? wake_up_page_bit+0x6f0/0x6f0
[  251.827625]  ? shrink_page_list+0x7e68/0xccd0
[  251.832124]  ? shrink_page_list+0x7e68/0xccd0
[  251.836625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.841214]  ? shrink_inactive_list+0x77b/0x1c60
[  251.845974]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.851081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.856626]  ? check_preemption_disabled+0x48/0x280
[  251.861646]  ? shrink_page_list+0x145c/0xccd0
[  251.866155]  shrink_page_list+0x3714/0xccd0
[  251.870504]  ? page_evictable+0x540/0x540
[  251.874851]  ? rb_erase_cached+0xc78/0x3720
[  251.879180]  ? rb_erase_cached+0xc78/0x3720
[  251.883511]  ? rb_next+0x140/0x140
[  251.887057]  ? rb_next+0x140/0x140
[  251.890623]  ? rb_next+0x140/0x140
[  251.894242]  ? zap_class+0x640/0x640
[  251.897960]  ? zap_class+0x640/0x640
[  251.901677]  ? zap_class+0x640/0x640
[  251.905392]  ? zap_class+0x640/0x640
[  251.909106]  ? __update_load_avg_se+0x5eb/0xae0
[  251.913779]  ? __update_load_avg_blocked_se+0x690/0x690
[  251.919151]  ? __update_load_avg_se+0xae0/0xae0
[  251.923820]  ? zap_class+0x640/0x640
[  251.927555]  ? update_load_avg+0x387/0x2470
[  251.931896]  ? attach_entity_load_avg+0x860/0x860
[  251.936758]  ? update_load_avg+0x387/0x2470
[  251.941090]  ? attach_entity_load_avg+0x860/0x860
[  251.945939]  ? attach_entity_load_avg+0x860/0x860
[  251.950787]  ? attach_entity_load_avg+0x860/0x860
[  251.955636]  ? rb_erase+0x3710/0x3710
[  251.959440]  ? rb_erase+0x3710/0x3710
[  251.963258]  ? rb_erase+0x3710/0x3710
[  251.967065]  ? rb_erase+0x3710/0x3710
[  251.970877]  ? rb_erase+0x3710/0x3710
[  251.974695]  ? __lock_acquire+0x62f/0x4c20
[  251.978973]  ? zap_class+0x640/0x640
[  251.982693]  ? print_usage_bug+0xc0/0xc0
[  251.986759]  ? zap_class+0x640/0x640
[  251.990476]  ? zap_class+0x640/0x640
[  251.994195]  ? print_usage_bug+0xc0/0xc0
[  251.998266]  ? print_usage_bug+0xc0/0xc0
[  252.002329]  ? zap_class+0x640/0x640
[  252.006044]  ? __lock_is_held+0xb5/0x140
[  252.010123]  ? print_usage_bug+0xc0/0xc0
[  252.014194]  ? __lock_acquire+0x62f/0x4c20
[  252.018438]  ? mark_held_locks+0x130/0x130
[  252.022675]  ? print_usage_bug+0xc0/0xc0
[  252.026745]  ? rb_erase_cached+0xc78/0x3720
[  252.031077]  ? rb_next+0x140/0x140
[  252.034628]  ? rb_next+0x140/0x140
[  252.038176]  ? __lock_acquire+0x62f/0x4c20
[  252.042415]  ? __lock_acquire+0x62f/0x4c20
[  252.046653]  ? rcu_note_context_switch+0x12ad/0x2150
[  252.051762]  ? print_usage_bug+0xc0/0xc0
[  252.055851]  ? mark_held_locks+0x130/0x130
[  252.060125]  ? zap_class+0x640/0x640
[  252.063854]  ? print_usage_bug+0xc0/0xc0
[  252.067913]  ? put_dec+0x3b/0xf0
[  252.071307]  ? rb_next+0x140/0x140
[  252.074945]  ? __lock_acquire+0x62f/0x4c20
[  252.079187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.084729]  ? check_preemption_disabled+0x48/0x280
[  252.089765]  ? print_usage_bug+0xc0/0xc0
[  252.093838]  ? rb_erase_cached+0xc78/0x3720
[  252.098181]  ? rb_next+0x140/0x140
[  252.101738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.107280]  ? __isolate_lru_page+0xd05/0x1540
[  252.111884]  ? print_usage_bug+0xc0/0xc0
[  252.115957]  ? mark_held_locks+0x130/0x130
[  252.120198]  ? zap_class+0x640/0x640
[  252.123918]  ? update_load_avg+0x13b8/0x2470
[  252.128341]  ? print_usage_bug+0xc0/0xc0
[  252.132410]  ? zap_class+0x640/0x640
[  252.136128]  ? __lock_acquire+0x62f/0x4c20
[  252.140372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.145919]  ? check_preemption_disabled+0x48/0x280
[  252.150950]  ? __update_load_avg_blocked_se+0x690/0x690
[  252.156327]  ? __update_load_avg_se+0xae0/0xae0
[  252.160999]  ? zap_class+0x640/0x640
[  252.164730]  ? update_load_avg+0x387/0x2470
[  252.169061]  ? attach_entity_load_avg+0x860/0x860
[  252.173916]  ? update_load_avg+0x387/0x2470
[  252.178244]  ? attach_entity_load_avg+0x860/0x860
[  252.183095]  ? attach_entity_load_avg+0x860/0x860
[  252.187949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.193489]  ? __isolate_lru_page+0xd05/0x1540
[  252.198082]  ? putback_lru_page+0x280/0x280
[  252.202410]  ? rb_erase+0x3710/0x3710
[  252.206224]  ? mark_held_locks+0x130/0x130
[  252.210467]  ? cpuacct_charge+0x265/0x440
[  252.214626]  ? find_held_lock+0x36/0x1c0
[  252.218705]  ? zap_class+0x640/0x640
[  252.222422]  ? print_usage_bug+0xc0/0xc0
[  252.226485]  ? zap_class+0x640/0x640
[  252.230203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.235137]  ? kasan_check_read+0x11/0x20
[  252.239290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.244576]  ? zap_class+0x640/0x640
[  252.248300]  ? __lock_is_held+0xb5/0x140
[  252.252369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.257915]  ? check_preemption_disabled+0x48/0x280
[  252.262951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.268494]  ? check_preemption_disabled+0x48/0x280
[  252.273515]  ? __lock_is_held+0xb5/0x140
[  252.277594]  ? __this_cpu_preempt_check+0x1c/0x20
[  252.282442]  ? __mod_zone_page_state+0x8a/0xf0
[  252.287992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.293537]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  252.298753]  ? __isolate_lru_page+0x1540/0x1540
[  252.303455]  ? zap_class+0x640/0x640
[  252.307178]  ? print_usage_bug+0xc0/0xc0
[  252.311243]  ? __account_cfs_rq_runtime+0x790/0x790
[  252.316269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.321818]  ? find_held_lock+0x36/0x1c0
[  252.325894]  ? zap_class+0x640/0x640
[  252.329626]  ? print_usage_bug+0xc0/0xc0
[  252.333699]  ? mark_held_locks+0xc7/0x130
[  252.337858]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.342364]  ? zap_class+0x640/0x640
[  252.346084]  ? print_usage_bug+0xc0/0xc0
[  252.350158]  ? mark_held_locks+0xc7/0x130
[  252.354317]  ? find_held_lock+0x36/0x1c0
[  252.358393]  ? mark_held_locks+0xc7/0x130
[  252.362550]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.367056]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.371554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.376149]  ? trace_hardirqs_on+0xbd/0x310
[  252.380472]  ? kasan_check_read+0x11/0x20
[  252.384623]  ? shrink_inactive_list+0x741/0x1c60
[  252.389381]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.394492]  ? trace_hardirqs_on+0x310/0x310
[  252.398909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.404450]  ? check_preemption_disabled+0x48/0x280
[  252.409478]  shrink_inactive_list+0x77b/0x1c60
[  252.414079]  ? putback_inactive_pages+0x27e0/0x27e0
[  252.419102]  ? kasan_check_read+0x11/0x20
[  252.423255]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  252.428535]  ? __rcu_read_unlock+0x2d6/0x2e0
[  252.432953]  ? blk_lld_busy+0x70/0x70
[  252.436756]  ? kasan_check_read+0x11/0x20
[  252.440927]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  252.445877]  shrink_node_memcg+0x78b/0x18f0
[  252.450232]  ? shrink_active_list+0x1f00/0x1f00
[  252.454914]  ? lock_downgrade+0x900/0x900
[  252.459069]  ? check_flush_dependency+0x410/0x410
[  252.463929]  ? kasan_check_read+0x11/0x20
[  252.468087]  ? do_raw_spin_unlock+0xa7/0x330
[  252.472509]  ? ___preempt_schedule+0x16/0x18
[  252.476933]  ? _raw_spin_unlock+0x3f/0x50
[  252.481093]  shrink_node+0x3bc/0x16b0
[  252.484899]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  252.490215]  ? shrink_node_memcg+0x18f0/0x18f0
[  252.494803]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.499399]  ? trace_hardirqs_on+0xbd/0x310
[  252.503734]  ? vmpressure+0x271/0x340
[  252.507546]  ? do_raw_spin_trylock+0x270/0x270
[  252.512151]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.517712]  ? __cpuset_node_allowed+0x19b/0x660
[  252.522478]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  252.528193]  ? vmpressure+0x1a2/0x340
[  252.532011]  do_try_to_free_pages+0x3e7/0x1290
[  252.536606]  ? zap_class+0x640/0x640
[  252.540347]  ? shrink_node+0x16b0/0x16b0
[  252.544416]  ? __lock_is_held+0xb5/0x140
[  252.548500]  try_to_free_pages+0x4d0/0xb90
[  252.552748]  ? do_try_to_free_pages+0x1290/0x1290
[  252.557622]  ? lock_acquire+0x1ed/0x520
[  252.561616]  ? set_page_refcounted+0x280/0x280
[  252.566216]  ? lock_release+0xa00/0xa00
[  252.570205]  ? _raw_spin_unlock_irq+0x60/0x80
[  252.574711]  ? psi_memstall_enter+0x240/0x2b0
[  252.579217]  ? psi_memstall_tick+0x230/0x230
[  252.583653]  __alloc_pages_slowpath+0xa14/0x2e10
[  252.588448]  ? warn_alloc+0x120/0x120
[  252.592253]  ? mark_held_locks+0x130/0x130
[  252.596500]  ? find_get_entry+0xaae/0x1120
[  252.600750]  ? filemap_map_pages+0x1a20/0x1a20
[  252.605344]  ? zap_class+0x640/0x640
[  252.609069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.614620]  ? check_preemption_disabled+0x48/0x280
[  252.619642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.625198]  ? should_fail+0x22d/0xd01
[  252.629093]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.634205]  ? zap_class+0x640/0x640
[  252.637951]  ? __lock_is_held+0xb5/0x140
[  252.642026]  ? mark_held_locks+0x130/0x130
[  252.646271]  ? lock_release+0xa00/0xa00
[  252.650249]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.655703]  ? xa_load+0x2ba/0x460
[  252.659250]  ? lock_downgrade+0x900/0x900
[  252.663409]  ? __might_sleep+0x95/0x190
[  252.667412]  __alloc_pages_nodemask+0xa80/0xde0
[  252.672094]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.677113]  ? __page_cache_alloc+0x191/0x5c0
[  252.681621]  ? xa_load+0x2e1/0x460
[  252.685164]  ? xa_clear_mark+0x40/0x40
[  252.689063]  ? zap_class+0x640/0x640
[  252.692791]  ? zap_class+0x640/0x640
[  252.696507]  ? zap_class+0x640/0x640
[  252.700224]  ? __do_page_cache_readahead+0x663/0x810
[  252.705340]  ? find_held_lock+0x36/0x1c0
[  252.709410]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  252.714955]  alloc_pages_current+0x173/0x350
[  252.719380]  __page_cache_alloc+0x38c/0x5c0
[  252.723720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.728659]  ? kasan_check_read+0x11/0x20
[  252.732810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.738100]  ? generic_perform_write+0x6a0/0x6a0
[  252.742888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.748437]  ? check_preemption_disabled+0x48/0x280
[  252.753472]  filemap_fault+0x1595/0x25f0
[  252.757555]  ? __lock_page_or_retry+0xa00/0xa00
[  252.762239]  ? mark_held_locks+0x130/0x130
[  252.766487]  ? filemap_map_pages+0xd6b/0x1a20
[  252.770989]  ? lock_downgrade+0x900/0x900
[  252.775142]  ? check_preemption_disabled+0x48/0x280
[  252.780165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.785096]  ? kasan_check_read+0x11/0x20
[  252.789249]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.794535]  ? rcu_softirq_qs+0x20/0x20
[  252.798529]  ? filemap_map_pages+0xd92/0x1a20
[  252.803041]  ? find_get_entries_tag+0x1400/0x1400
[  252.807890]  ? debug_object_destroy+0x2b0/0x2b0
[  252.812571]  ? lock_pi_update_atomic+0x150/0x150
[  252.817341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.822905]  ? lock_acquire+0x1ed/0x520
[  252.826886]  ? ext4_filemap_fault+0x7a/0xad
[  252.831219]  ? lock_release+0xa00/0xa00
[  252.835199]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.840662]  ? print_usage_bug+0xc0/0xc0
[  252.844728]  ? print_usage_bug+0xc0/0xc0
[  252.848806]  ? down_read+0x8d/0x120
[  252.852438]  ? ext4_filemap_fault+0x7a/0xad
[  252.856766]  ? __down_interruptible+0x700/0x700
[  252.861451]  ext4_filemap_fault+0x82/0xad
[  252.865612]  __do_fault+0x100/0x6b0
[  252.869241]  ? find_held_lock+0x36/0x1c0
[  252.873310]  ? pmd_devmap_trans_unstable+0x220/0x220
[  252.878421]  ? mark_held_locks+0x130/0x130
[  252.882660]  ? mark_held_locks+0x130/0x130
[  252.886901]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.891398]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.895902]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.900494]  ? kasan_check_read+0x11/0x20
[  252.904651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.910196]  __handle_mm_fault+0x3ea6/0x5be0
[  252.914624]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  252.919474]  ? finish_task_switch+0x1f4/0x910
[  252.923971]  ? finish_task_switch+0x1b4/0x910
[  252.928474]  ? __switch_to_asm+0x34/0x70
[  252.932544]  ? preempt_notifier_register+0x200/0x200
[  252.937655]  ? __switch_to_asm+0x34/0x70
[  252.941719]  ? __switch_to_asm+0x34/0x70
[  252.945794]  ? zap_class+0x640/0x640
[  252.949509]  ? zap_class+0x640/0x640
[  252.953228]  ? __x64_sys_futex+0x53e/0x6a0
[  252.957474]  ? find_held_lock+0x36/0x1c0
[  252.961569]  ? handle_mm_fault+0x42a/0xc70
[  252.965822]  ? lock_downgrade+0x900/0x900
[  252.969981]  ? check_preemption_disabled+0x48/0x280
[  252.975009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.979942]  ? kasan_check_read+0x11/0x20
[  252.984094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.989377]  ? rcu_softirq_qs+0x20/0x20
[  252.993354]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.998477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.004032]  ? check_preemption_disabled+0x48/0x280
[  253.009078]  handle_mm_fault+0x54f/0xc70
[  253.013158]  ? __handle_mm_fault+0x5be0/0x5be0
[  253.017759]  ? find_vma+0x34/0x190
[  253.021316]  __do_page_fault+0x5e8/0xe60
[  253.025390]  ? trace_hardirqs_off+0xb8/0x310
[  253.029815]  do_page_fault+0xf2/0x7e0
[  253.033623]  ? vmalloc_sync_all+0x30/0x30
[  253.037780]  ? error_entry+0x70/0xd0
[  253.041501]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.046520]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.051456]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.056391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.061241]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.066260]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.071722]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.076747]  ? page_fault+0x8/0x30
[  253.080296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.085145]  ? page_fault+0x8/0x30
[  253.088689]  page_fault+0x1e/0x30
[  253.092141] RIP: 0033:0x40f9c0
[  253.095343] Code: Bad RIP value.
[  253.098709] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  253.104072] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  253.111344] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  253.118617] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  253.125907] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  253.133181] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  253.140481] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  253.140487] warn_alloc_show_mem: 1 callbacks suppressed
[  253.140494] Mem-Info:
[  253.147420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.147429] Call Trace:
[  253.152801] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  253.152801]  active_file:14 inactive_file:15 isolated_file:0
[  253.152801]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.152801]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  253.152801]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  253.152801]  free:13731 free_pcp:182 free_cma:0
[  253.155173]  <IRQ>
[  253.164536] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  253.167118]  dump_stack+0x244/0x39d
[  253.200152] 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
[  253.202307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.230139] lowmem_reserve[]: 0 2818 6321 6321
[  253.233778]  warn_alloc.cold.116+0xb7/0x1bd
[  253.259858] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  253.265054]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.269608] lowmem_reserve[]: 0 0 3503 3503
[  253.273936]  ? lock_downgrade+0x900/0x900
[  253.301677] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  253.306530]  ? trace_hardirqs_off+0xb8/0x310
[  253.310819] lowmem_reserve[]: 0 0 0 0
[  253.314964]  ? trace_hardirqs_off+0xb8/0x310
[  253.343917] 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
[  253.348338]  __alloc_pages_slowpath+0x26e8/0x2e10
[  253.352100] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  253.356529]  ? warn_alloc+0x120/0x120
[  253.370007] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  253.374849]  ? print_usage_bug+0xc0/0xc0
[  253.390009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.393811]  ? warn_alloc+0x120/0x120
[  253.409149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.413208]  ? warn_alloc+0x120/0x120
[  253.422013] 2704 total pagecache pages
[  253.425808]  ? print_usage_bug+0xc0/0xc0
[  253.434380] 0 pages in swap cache
[  253.438176]  ? kvm_clock_read+0x18/0x30
[  253.442043] Swap cache stats: add 0, delete 0, find 0/0
[  253.446114]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  253.449539] Free swap  = 0kB
[  253.453507]  ? print_usage_bug+0xc0/0xc0
[  253.458837] Total swap = 0kB
[  253.458851] 1965979 pages RAM
[  253.463870]  ? __lock_acquire+0x62f/0x4c20
[  253.466865] 0 pages HighMem/MovableOnly
[  253.470938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.473927] 342858 pages reserved
[  253.477027]  ? should_fail+0x22d/0xd01
[  253.481237] 0 pages cma reserved
[  253.485209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.490800] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.494210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.498163] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.501440]  ? __lock_acquire+0x62f/0x4c20
[  253.506689] syz-fuzzer cpuset=/ mems_allowed=0
[  253.513275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.542481]  ? __lock_acquire+0x62f/0x4c20
[  253.546723]  ? should_fail+0x22d/0xd01
[  253.550618]  ? rcu_irq_exit+0x1a2/0x390
[  253.554620]  ? mark_held_locks+0x130/0x130
[  253.558864]  ? mark_held_locks+0x130/0x130
[  253.563113]  ? mark_held_locks+0xc7/0x130
[  253.567265]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  253.572285]  ? zap_class+0x640/0x640
[  253.576006]  ? print_usage_bug+0xc0/0xc0
[  253.580096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.585643]  ? check_preemption_disabled+0x48/0x280
[  253.590681]  ? __lock_is_held+0xb5/0x140
[  253.594754]  __alloc_pages_nodemask+0xa80/0xde0
[  253.599429]  ? zap_class+0x640/0x640
[  253.603158]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.608199]  ? find_held_lock+0x36/0x1c0
[  253.612284]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.616963]  ? lock_downgrade+0x900/0x900
[  253.621127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.626682]  cache_grow_begin+0xa5/0x8c0
[  253.630755]  ? do_raw_spin_unlock+0xa7/0x330
[  253.635179]  fallback_alloc+0x204/0x2e0
[  253.639667]  ____cache_alloc_node+0x1c7/0x1e0
[  253.644178]  kmem_cache_alloc_node+0xe3/0x730
[  253.648684]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.652938]  __alloc_skb+0x119/0x770
[  253.656660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.661955]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.666380]  ? lock_downgrade+0x900/0x900
[  253.670549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.676106]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.681573]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.687051]  ? addrconf_rs_timer+0x690/0x690
[  253.691488]  ndisc_alloc_skb+0x144/0x340
[  253.695571]  ndisc_send_rs+0x331/0x6e0
[  253.699480]  addrconf_rs_timer+0x314/0x690
[  253.703728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.707982]  call_timer_fn+0x272/0x920
[  253.711880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.716126]  ? process_timeout+0x40/0x40
[  253.720208]  ? __run_timers+0x7da/0xc70
[  253.724194]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.728697]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.733191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.737434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.742021]  ? trace_hardirqs_on+0xbd/0x310
[  253.746353]  ? kasan_check_read+0x11/0x20
[  253.750501]  ? __run_timers+0x7da/0xc70
[  253.754479]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.759617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.763858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.768601]  __run_timers+0x7e5/0xc70
[  253.772415]  ? timer_fixup_init+0x70/0x70
[  253.776579]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.781622]  ? zap_class+0x640/0x640
[  253.785342]  ? enqueue_hrtimer+0x1a5/0x560
[  253.789601]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.794807]  ? find_held_lock+0x36/0x1c0
[  253.798877]  ? zap_class+0x640/0x640
[  253.802605]  ? pvclock_read_flags+0x160/0x160
[  253.807107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.812647]  ? check_preemption_disabled+0x48/0x280
[  253.817675]  ? __lock_is_held+0xb5/0x140
[  253.821743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.827282]  ? check_preemption_disabled+0x48/0x280
[  253.832324]  run_timer_softirq+0x52/0xb0
[  253.836393]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.841411]  __do_softirq+0x308/0xb7e
[  253.845221]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  253.849718]  ? lock_downgrade+0x900/0x900
[  253.853871]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.858990]  ? pvclock_read_flags+0x160/0x160
[  253.863494]  ? lapic_next_event+0x5a/0x90
[  253.867648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.873196]  ? kvm_clock_read+0x18/0x30
[  253.877172]  ? kvm_sched_clock_read+0x9/0x20
[  253.881599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.887146]  ? check_preemption_disabled+0x48/0x280
[  253.892182]  irq_exit+0x17f/0x1c0
[  253.895646]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.900497]  ? smp_reschedule_interrupt+0x109/0x650
[  253.905524]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.911419]  ? interrupt_entry+0xb5/0xc0
[  253.915493]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.920525]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.925547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.930399]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.935419]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.940440]  ? task_prio+0x50/0x50
[  253.943985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.949532]  ? check_preemption_disabled+0x48/0x280
[  253.954563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.959436]  apic_timer_interrupt+0xf/0x20
[  253.963683]  </IRQ>
[  253.965927] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  253.970859] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  253.989781] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  253.997497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  254.004775] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  254.012045] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  254.019319] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  254.026603] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  254.033969]  skb_clone+0x1bb/0x500
[  254.037521]  ? finish_task_switch+0x1b4/0x910
[  254.042019]  ? skb_split+0x11e0/0x11e0
[  254.045915]  ? preempt_notifier_register+0x200/0x200
[  254.051023]  ? __switch_to_asm+0x34/0x70
[  254.055087]  ? __switch_to_asm+0x34/0x70
[  254.059153]  ? __switch_to_asm+0x40/0x70
[  254.063215]  ? __switch_to_asm+0x34/0x70
[  254.067278]  ? __switch_to_asm+0x40/0x70
[  254.071342]  ? __switch_to_asm+0x34/0x70
[  254.075407]  ? __switch_to_asm+0x40/0x70
[  254.079468]  ? __switch_to_asm+0x34/0x70
[  254.083534]  ? __switch_to_asm+0x34/0x70
[  254.087603]  ? __switch_to_asm+0x40/0x70
[  254.091664]  ? __switch_to_asm+0x34/0x70
[  254.095737]  bpf_clone_redirect+0xb9/0x490
[  254.099971]  ? __schedule+0x8d7/0x21d0
[  254.103873]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  254.108895]  ? __sched_text_start+0x8/0x8
[  254.113046]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.117819]  ? find_held_lock+0x36/0x1c0
[  254.121891]  ? lock_acquire+0x1ed/0x520
[  254.125866]  ? bpf_test_run+0x3cb/0x780
[  254.129844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.135386]  ? check_preemption_disabled+0x48/0x280
[  254.140413]  ? kasan_check_read+0x11/0x20
[  254.144565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.149851]  ? rcu_softirq_qs+0x20/0x20
[  254.153835]  ? preempt_schedule+0x4d/0x60
[  254.157988]  ? ___preempt_schedule+0x16/0x18
[  254.162409]  ? bpf_test_run+0x25d/0x780
[  254.166400]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.170817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.176370]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  254.181141]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.185990]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.191530]  ? fput+0x130/0x1a0
[  254.194813]  ? __bpf_prog_get+0x9b/0x290
[  254.198879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.203726]  ? bpf_prog_test_run+0x130/0x1a0
[  254.208138]  ? __x64_sys_bpf+0x3d8/0x520
[  254.212203]  ? bpf_prog_get+0x20/0x20
[  254.216030]  ? do_syscall_64+0x1b9/0x820
[  254.220097]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.225468]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.230407]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.235431]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.240457]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  254.247128]  ? __switch_to_asm+0x40/0x70
[  254.251191]  ? __switch_to_asm+0x34/0x70
[  254.255267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.260125]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.265514] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  254.265593] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.272100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.272109] Call Trace:
[  254.278704] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.287939]  <IRQ>
[  254.290509] syz-executor1 cpuset=syz1 mems_allowed=0
[  254.300994]  dump_stack+0x244/0x39d
[  254.311839]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.317050]  warn_alloc.cold.116+0xb7/0x1bd
[  254.321375]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.326224]  ? lock_downgrade+0x900/0x900
[  254.330381]  ? trace_hardirqs_off+0xb8/0x310
[  254.334799]  ? trace_hardirqs_off+0xb8/0x310
[  254.339222]  __alloc_pages_slowpath+0x26e8/0x2e10
[  254.344117]  ? warn_alloc+0x120/0x120
[  254.347925]  ? print_usage_bug+0xc0/0xc0
[  254.351989]  ? warn_alloc+0x120/0x120
[  254.355796]  ? warn_alloc+0x120/0x120
[  254.359608]  ? print_usage_bug+0xc0/0xc0
[  254.363677]  ? kvm_clock_read+0x18/0x30
[  254.367656]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  254.372673]  ? print_usage_bug+0xc0/0xc0
[  254.376737]  ? __lock_acquire+0x62f/0x4c20
[  254.380983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.386523]  ? should_fail+0x22d/0xd01
[  254.390410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.395690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.400795]  ? __lock_acquire+0x62f/0x4c20
[  254.405035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.410137]  ? __lock_acquire+0x62f/0x4c20
[  254.414370]  ? should_fail+0x22d/0xd01
[  254.418255]  ? rcu_irq_exit+0x1a2/0x390
[  254.422239]  ? mark_held_locks+0x130/0x130
[  254.426480]  ? mark_held_locks+0x130/0x130
[  254.430727]  ? mark_held_locks+0xc7/0x130
[  254.434885]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  254.439906]  ? zap_class+0x640/0x640
[  254.443624]  ? print_usage_bug+0xc0/0xc0
[  254.447696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.453239]  ? check_preemption_disabled+0x48/0x280
[  254.458272]  ? __lock_is_held+0xb5/0x140
[  254.462342]  __alloc_pages_nodemask+0xa80/0xde0
[  254.467031]  ? zap_class+0x640/0x640
[  254.470759]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.475790]  ? find_held_lock+0x36/0x1c0
[  254.479867]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.484544]  ? lock_downgrade+0x900/0x900
[  254.488707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.494252]  cache_grow_begin+0xa5/0x8c0
[  254.498320]  ? do_raw_spin_unlock+0xa7/0x330
[  254.502740]  fallback_alloc+0x204/0x2e0
[  254.506723]  ____cache_alloc_node+0x1c7/0x1e0
[  254.511228]  kmem_cache_alloc_node+0xe3/0x730
[  254.515726]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.519971]  __alloc_skb+0x119/0x770
[  254.523686]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.528971]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.533385]  ? lock_downgrade+0x900/0x900
[  254.537546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.543091]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.548551]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.554019]  ? addrconf_rs_timer+0x690/0x690
[  254.558443]  ndisc_alloc_skb+0x144/0x340
[  254.562512]  ndisc_send_rs+0x331/0x6e0
[  254.566407]  addrconf_rs_timer+0x314/0x690
[  254.570651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.574898]  call_timer_fn+0x272/0x920
[  254.578811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.583049]  ? process_timeout+0x40/0x40
[  254.587125]  ? mark_held_locks+0xc7/0x130
[  254.591282]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.595782]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.600280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.604521]  ? lockdep_hardirqs_on+0x296/0x5b0
[  254.609111]  ? trace_hardirqs_on+0xbd/0x310
[  254.613440]  ? kasan_check_read+0x11/0x20
[  254.617596]  ? __run_timers+0x7da/0xc70
[  254.621581]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.626704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.630945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.635179]  __run_timers+0x7e5/0xc70
[  254.639170]  ? timer_fixup_init+0x70/0x70
[  254.643328]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.648349]  ? zap_class+0x640/0x640
[  254.652072]  ? print_usage_bug+0xc0/0xc0
[  254.656140]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.661337]  ? find_held_lock+0x36/0x1c0
[  254.665410]  ? zap_class+0x640/0x640
[  254.669135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.674689]  ? check_preemption_disabled+0x48/0x280
[  254.679723]  ? __lock_is_held+0xb5/0x140
[  254.683791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.689332]  ? check_preemption_disabled+0x48/0x280
[  254.694361]  run_timer_softirq+0x52/0xb0
[  254.698426]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.703446]  __do_softirq+0x308/0xb7e
[  254.707255]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.711752]  ? lock_downgrade+0x900/0x900
[  254.715907]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.721027]  ? pvclock_read_flags+0x160/0x160
[  254.725531]  ? lapic_next_event+0x5a/0x90
[  254.729685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.735228]  ? kvm_clock_read+0x18/0x30
[  254.739204]  ? kvm_sched_clock_read+0x9/0x20
[  254.743621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.749161]  ? check_preemption_disabled+0x48/0x280
[  254.754187]  irq_exit+0x17f/0x1c0
[  254.757645]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.762493]  ? smp_reschedule_interrupt+0x109/0x650
[  254.767514]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.773398]  ? interrupt_entry+0xb5/0xc0
[  254.777462]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.782481]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.787501]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.792350]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.797476]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.802499]  ? task_prio+0x50/0x50
[  254.806041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.811599]  ? check_preemption_disabled+0x48/0x280
[  254.816631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.821489]  apic_timer_interrupt+0xf/0x20
[  254.825721]  </IRQ>
[  254.827961] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  254.834112] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  254.853021] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  254.860741] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  254.868012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  254.875287] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  254.882560] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  254.889844] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  254.897148]  ? unlock_page+0x25d/0x4c0
[  254.901050]  unlock_page+0x25d/0x4c0
[  254.904771]  ? wake_up_page_bit+0x6f0/0x6f0
[  254.909096]  ? shrink_page_list+0x7e68/0xccd0
[  254.913600]  ? shrink_page_list+0x7e68/0xccd0
[  254.918100]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  254.922691]  ? shrink_inactive_list+0x77b/0x1c60
[  254.927457]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.932567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.938117]  ? check_preemption_disabled+0x48/0x280
[  254.943135]  ? shrink_page_list+0x145c/0xccd0
[  254.947640]  shrink_page_list+0x3714/0xccd0
[  254.951992]  ? page_evictable+0x540/0x540
[  254.956318]  ? rb_erase_cached+0xc78/0x3720
[  254.960645]  ? rb_erase_cached+0xc78/0x3720
[  254.964980]  ? rb_next+0x140/0x140
[  254.968529]  ? rb_next+0x140/0x140
[  254.972078]  ? rb_next+0x140/0x140
[  254.975703]  ? zap_class+0x640/0x640
[  254.979426]  ? zap_class+0x640/0x640
[  254.983140]  ? zap_class+0x640/0x640
[  254.986864]  ? zap_class+0x640/0x640
[  254.990581]  ? __update_load_avg_se+0x5eb/0xae0
[  254.995265]  ? __update_load_avg_blocked_se+0x690/0x690
[  255.000642]  ? __update_load_avg_se+0xae0/0xae0
[  255.005313]  ? zap_class+0x640/0x640
[  255.009042]  ? update_load_avg+0x387/0x2470
[  255.013377]  ? attach_entity_load_avg+0x860/0x860
[  255.018233]  ? update_load_avg+0x387/0x2470
[  255.022569]  ? attach_entity_load_avg+0x860/0x860
[  255.027426]  ? attach_entity_load_avg+0x860/0x860
[  255.032276]  ? attach_entity_load_avg+0x860/0x860
[  255.037125]  ? rb_erase+0x3710/0x3710
[  255.040926]  ? rb_erase+0x3710/0x3710
[  255.044730]  ? rb_erase+0x3710/0x3710
[  255.048555]  ? rb_erase+0x3710/0x3710
[  255.052375]  ? rb_erase+0x3710/0x3710
[  255.056193]  ? __lock_acquire+0x62f/0x4c20
[  255.060453]  ? zap_class+0x640/0x640
[  255.064176]  ? print_usage_bug+0xc0/0xc0
[  255.068239]  ? zap_class+0x640/0x640
[  255.071953]  ? zap_class+0x640/0x640
[  255.075761]  ? print_usage_bug+0xc0/0xc0
[  255.079831]  ? print_usage_bug+0xc0/0xc0
[  255.083901]  ? zap_class+0x640/0x640
[  255.087624]  ? __lock_is_held+0xb5/0x140
[  255.091704]  ? print_usage_bug+0xc0/0xc0
[  255.095777]  ? __lock_acquire+0x62f/0x4c20
[  255.100020]  ? mark_held_locks+0x130/0x130
[  255.104262]  ? print_usage_bug+0xc0/0xc0
[  255.108338]  ? rb_erase_cached+0xc78/0x3720
[  255.112672]  ? rb_next+0x140/0x140
[  255.116223]  ? rb_next+0x140/0x140
[  255.119772]  ? __lock_acquire+0x62f/0x4c20
[  255.124017]  ? __lock_acquire+0x62f/0x4c20
[  255.128254]  ? rcu_note_context_switch+0x12ad/0x2150
[  255.133360]  ? print_usage_bug+0xc0/0xc0
[  255.137442]  ? mark_held_locks+0x130/0x130
[  255.141715]  ? zap_class+0x640/0x640
[  255.145434]  ? print_usage_bug+0xc0/0xc0
[  255.149499]  ? put_dec+0x3b/0xf0
[  255.152891]  ? rb_next+0x140/0x140
[  255.156439]  ? __lock_acquire+0x62f/0x4c20
[  255.160679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.166224]  ? check_preemption_disabled+0x48/0x280
[  255.171268]  ? print_usage_bug+0xc0/0xc0
[  255.175340]  ? rb_erase_cached+0xc78/0x3720
[  255.179678]  ? rb_next+0x140/0x140
[  255.183236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.188779]  ? __isolate_lru_page+0xd05/0x1540
[  255.193382]  ? print_usage_bug+0xc0/0xc0
[  255.197451]  ? mark_held_locks+0x130/0x130
[  255.201688]  ? zap_class+0x640/0x640
[  255.205404]  ? update_load_avg+0x13b8/0x2470
[  255.209826]  ? print_usage_bug+0xc0/0xc0
[  255.213900]  ? zap_class+0x640/0x640
[  255.217621]  ? __lock_acquire+0x62f/0x4c20
[  255.221870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.227412]  ? check_preemption_disabled+0x48/0x280
[  255.232454]  ? __update_load_avg_blocked_se+0x690/0x690
[  255.237823]  ? __update_load_avg_se+0xae0/0xae0
[  255.242496]  ? zap_class+0x640/0x640
[  255.246225]  ? update_load_avg+0x387/0x2470
[  255.250559]  ? attach_entity_load_avg+0x860/0x860
[  255.255419]  ? update_load_avg+0x387/0x2470
[  255.259744]  ? attach_entity_load_avg+0x860/0x860
[  255.264601]  ? attach_entity_load_avg+0x860/0x860
[  255.269458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.275003]  ? __isolate_lru_page+0xd05/0x1540
[  255.279601]  ? putback_lru_page+0x280/0x280
[  255.283932]  ? rb_erase+0x3710/0x3710
[  255.287751]  ? mark_held_locks+0x130/0x130
[  255.291996]  ? cpuacct_charge+0x265/0x440
[  255.296155]  ? find_held_lock+0x36/0x1c0
[  255.300228]  ? zap_class+0x640/0x640
[  255.303947]  ? print_usage_bug+0xc0/0xc0
[  255.308012]  ? zap_class+0x640/0x640
[  255.311731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.316664]  ? kasan_check_read+0x11/0x20
[  255.321528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.326817]  ? zap_class+0x640/0x640
[  255.330536]  ? __lock_is_held+0xb5/0x140
[  255.334614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.340158]  ? check_preemption_disabled+0x48/0x280
[  255.345188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.350734]  ? check_preemption_disabled+0x48/0x280
[  255.355752]  ? __lock_is_held+0xb5/0x140
[  255.359825]  ? __this_cpu_preempt_check+0x1c/0x20
[  255.364675]  ? __mod_zone_page_state+0x8a/0xf0
[  255.369268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.374810]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  255.380021]  ? __isolate_lru_page+0x1540/0x1540
[  255.384712]  ? zap_class+0x640/0x640
[  255.388429]  ? print_usage_bug+0xc0/0xc0
[  255.392491]  ? __account_cfs_rq_runtime+0x790/0x790
[  255.397516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.403067]  ? find_held_lock+0x36/0x1c0
[  255.407131]  ? zap_class+0x640/0x640
[  255.410854]  ? print_usage_bug+0xc0/0xc0
[  255.414920]  ? mark_held_locks+0xc7/0x130
[  255.419076]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.423598]  ? zap_class+0x640/0x640
[  255.427316]  ? print_usage_bug+0xc0/0xc0
[  255.431388]  ? mark_held_locks+0xc7/0x130
[  255.435547]  ? find_held_lock+0x36/0x1c0
[  255.439625]  ? mark_held_locks+0xc7/0x130
[  255.443783]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.448279]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.452775]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.457360]  ? trace_hardirqs_on+0xbd/0x310
[  255.461687]  ? kasan_check_read+0x11/0x20
[  255.465837]  ? shrink_inactive_list+0x741/0x1c60
[  255.470613]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.475723]  ? trace_hardirqs_on+0x310/0x310
[  255.480138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.485681]  ? check_preemption_disabled+0x48/0x280
[  255.490716]  shrink_inactive_list+0x77b/0x1c60
[  255.495318]  ? putback_inactive_pages+0x27e0/0x27e0
[  255.500344]  ? kasan_check_read+0x11/0x20
[  255.504502]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  255.509782]  ? __rcu_read_unlock+0x2d6/0x2e0
[  255.514237]  ? blk_lld_busy+0x70/0x70
[  255.518045]  ? kasan_check_read+0x11/0x20
[  255.522213]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  255.527156]  shrink_node_memcg+0x78b/0x18f0
[  255.531499]  ? shrink_active_list+0x1f00/0x1f00
[  255.536179]  ? lock_downgrade+0x900/0x900
[  255.540331]  ? check_flush_dependency+0x410/0x410
[  255.545189]  ? kasan_check_read+0x11/0x20
[  255.549342]  ? do_raw_spin_unlock+0xa7/0x330
[  255.553766]  ? ___preempt_schedule+0x16/0x18
[  255.558186]  ? _raw_spin_unlock+0x3f/0x50
[  255.562347]  shrink_node+0x3bc/0x16b0
[  255.566154]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  255.571467]  ? shrink_node_memcg+0x18f0/0x18f0
[  255.576056]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.580646]  ? trace_hardirqs_on+0xbd/0x310
[  255.584971]  ? vmpressure+0x271/0x340
[  255.588777]  ? do_raw_spin_trylock+0x270/0x270
[  255.593366]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.598908]  ? __cpuset_node_allowed+0x19b/0x660
[  255.603669]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  255.609385]  ? vmpressure+0x1a2/0x340
[  255.613201]  do_try_to_free_pages+0x3e7/0x1290
[  255.617788]  ? zap_class+0x640/0x640
[  255.621522]  ? shrink_node+0x16b0/0x16b0
[  255.625602]  ? __lock_is_held+0xb5/0x140
[  255.629681]  try_to_free_pages+0x4d0/0xb90
[  255.633925]  ? do_try_to_free_pages+0x1290/0x1290
[  255.639008]  ? lock_acquire+0x1ed/0x520
[  255.642987]  ? set_page_refcounted+0x280/0x280
[  255.647577]  ? lock_release+0xa00/0xa00
[  255.651565]  ? _raw_spin_unlock_irq+0x60/0x80
[  255.656089]  ? psi_memstall_enter+0x240/0x2b0
[  255.660599]  ? psi_memstall_tick+0x230/0x230
[  255.665028]  __alloc_pages_slowpath+0xa14/0x2e10
[  255.669817]  ? warn_alloc+0x120/0x120
[  255.673625]  ? mark_held_locks+0x130/0x130
[  255.677874]  ? find_get_entry+0xaae/0x1120
[  255.682122]  ? filemap_map_pages+0x1a20/0x1a20
[  255.686712]  ? zap_class+0x640/0x640
[  255.690439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.695985]  ? check_preemption_disabled+0x48/0x280
[  255.701010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.706550]  ? should_fail+0x22d/0xd01
[  255.710451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.715560]  ? zap_class+0x640/0x640
[  255.719316]  ? __lock_is_held+0xb5/0x140
[  255.723393]  ? mark_held_locks+0x130/0x130
[  255.727638]  ? lock_release+0xa00/0xa00
[  255.731624]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.737082]  ? xa_load+0x2ba/0x460
[  255.740632]  ? lock_downgrade+0x900/0x900
[  255.744795]  ? __might_sleep+0x95/0x190
[  255.748777]  __alloc_pages_nodemask+0xa80/0xde0
[  255.753461]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.758481]  ? __page_cache_alloc+0x191/0x5c0
[  255.762978]  ? xa_load+0x2e1/0x460
[  255.766521]  ? xa_clear_mark+0x40/0x40
[  255.770592]  ? zap_class+0x640/0x640
[  255.774322]  ? zap_class+0x640/0x640
[  255.778040]  ? zap_class+0x640/0x640
[  255.781760]  ? __do_page_cache_readahead+0x663/0x810
[  255.786877]  ? find_held_lock+0x36/0x1c0
[  255.790949]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  255.796491]  alloc_pages_current+0x173/0x350
[  255.800910]  __page_cache_alloc+0x38c/0x5c0
[  255.805231]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.810164]  ? kasan_check_read+0x11/0x20
[  255.814313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.819604]  ? generic_perform_write+0x6a0/0x6a0
[  255.824365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.829907]  ? check_preemption_disabled+0x48/0x280
[  255.834939]  filemap_fault+0x1595/0x25f0
[  255.839015]  ? __lock_page_or_retry+0xa00/0xa00
[  255.843689]  ? mark_held_locks+0x130/0x130
[  255.847941]  ? filemap_map_pages+0xd6b/0x1a20
[  255.852440]  ? lock_downgrade+0x900/0x900
[  255.856600]  ? check_preemption_disabled+0x48/0x280
[  255.861631]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.866562]  ? kasan_check_read+0x11/0x20
[  255.870718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.876001]  ? rcu_softirq_qs+0x20/0x20
[  255.880009]  ? filemap_map_pages+0xd92/0x1a20
[  255.884523]  ? find_get_entries_tag+0x1400/0x1400
[  255.889377]  ? debug_object_destroy+0x2b0/0x2b0
[  255.894057]  ? lock_pi_update_atomic+0x150/0x150
[  255.898815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.904409]  ? lock_acquire+0x1ed/0x520
[  255.908384]  ? ext4_filemap_fault+0x7a/0xad
[  255.912713]  ? lock_release+0xa00/0xa00
[  255.916689]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.922146]  ? print_usage_bug+0xc0/0xc0
[  255.926248]  ? print_usage_bug+0xc0/0xc0
[  255.930324]  ? down_read+0x8d/0x120
[  255.933950]  ? ext4_filemap_fault+0x7a/0xad
[  255.938274]  ? __down_interruptible+0x700/0x700
[  255.942956]  ext4_filemap_fault+0x82/0xad
[  255.947107]  __do_fault+0x100/0x6b0
[  255.950736]  ? find_held_lock+0x36/0x1c0
[  255.954806]  ? pmd_devmap_trans_unstable+0x220/0x220
[  255.959916]  ? mark_held_locks+0x130/0x130
[  255.964152]  ? mark_held_locks+0x130/0x130
[  255.968389]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.972884]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.977383]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.981972]  ? kasan_check_read+0x11/0x20
[  255.986131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.991675]  __handle_mm_fault+0x3ea6/0x5be0
[  255.996098]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  256.000947]  ? finish_task_switch+0x1f4/0x910
[  256.005447]  ? finish_task_switch+0x1b4/0x910
[  256.009944]  ? __switch_to_asm+0x34/0x70
[  256.014009]  ? preempt_notifier_register+0x200/0x200
[  256.019111]  ? __switch_to_asm+0x34/0x70
[  256.023190]  ? __switch_to_asm+0x34/0x70
[  256.027269]  ? zap_class+0x640/0x640
[  256.030986]  ? zap_class+0x640/0x640
[  256.034699]  ? __x64_sys_futex+0x53e/0x6a0
[  256.038943]  ? find_held_lock+0x36/0x1c0
[  256.043016]  ? handle_mm_fault+0x42a/0xc70
[  256.047259]  ? lock_downgrade+0x900/0x900
[  256.051408]  ? check_preemption_disabled+0x48/0x280
[  256.056433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.061362]  ? kasan_check_read+0x11/0x20
[  256.065510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.070788]  ? rcu_softirq_qs+0x20/0x20
[  256.074769]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.079882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.085425]  ? check_preemption_disabled+0x48/0x280
[  256.090452]  handle_mm_fault+0x54f/0xc70
[  256.094522]  ? __handle_mm_fault+0x5be0/0x5be0
[  256.099112]  ? find_vma+0x34/0x190
[  256.102661]  __do_page_fault+0x5e8/0xe60
[  256.106730]  ? trace_hardirqs_off+0xb8/0x310
[  256.111154]  do_page_fault+0xf2/0x7e0
[  256.114958]  ? vmalloc_sync_all+0x30/0x30
[  256.119113]  ? error_entry+0x70/0xd0
[  256.122833]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.127860]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.132796]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.137734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.142582]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.147619]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.153079]  ? prepare_exit_to_usermode+0x291/0x3b0
[  256.158099]  ? page_fault+0x8/0x30
[  256.161646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.166499]  ? page_fault+0x8/0x30
[  256.170042]  page_fault+0x1e/0x30
[  256.173493] RIP: 0033:0x40f9c0
[  256.176701] Code: Bad RIP value.
[  256.180087] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  256.185451] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  256.192724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  256.199991] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  256.207258] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  256.214532] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  256.221834] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  256.221840] warn_alloc_show_mem: 1 callbacks suppressed
[  256.221851] Mem-Info:
[  256.228773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.234141] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  256.234141]  active_file:14 inactive_file:15 isolated_file:0
[  256.234141]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.234141]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  256.234141]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  256.234141]  free:13731 free_pcp:182 free_cma:0
[  256.236512] Call Trace:
[  256.245897] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.278926]  <IRQ>
[  256.281501] 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
[  256.309354]  dump_stack+0x244/0x39d
[  256.311478] lowmem_reserve[]: 0 2818 6321 6321
[  256.337602]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.341199] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  256.345803]  warn_alloc.cold.116+0xb7/0x1bd
[  256.350956] lowmem_reserve[]: 0 0 3503 3503
[  256.378721]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.383014] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  256.387332]  ? lock_downgrade+0x900/0x900
[  256.392146] lowmem_reserve[]: 0 0 0 0
[  256.421125]  ? trace_hardirqs_off+0xb8/0x310
[  256.425246] 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
[  256.429045]  ? trace_hardirqs_off+0xb8/0x310
[  256.433425] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  256.446954]  __alloc_pages_slowpath+0x26e8/0x2e10
[  256.451334] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  256.466528]  ? warn_alloc+0x120/0x120
[  256.471329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.486672]  ? print_usage_bug+0xc0/0xc0
[  256.490450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.490459] 2704 total pagecache pages
[  256.499291]  ? warn_alloc+0x120/0x120
[  256.503336] 0 pages in swap cache
[  256.511905]  ? warn_alloc+0x120/0x120
[  256.515770] Swap cache stats: add 0, delete 0, find 0/0
[  256.519563]  ? print_usage_bug+0xc0/0xc0
[  256.523076] Free swap  = 0kB
[  256.526864]  ? kvm_clock_read+0x18/0x30
[  256.526882]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  256.532225] Total swap = 0kB
[  256.536278]  ? print_usage_bug+0xc0/0xc0
[  256.539271] 1965979 pages RAM
[  256.543236]  ? __lock_acquire+0x62f/0x4c20
[  256.548231] 0 pages HighMem/MovableOnly
[  256.551249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.555280] 342858 pages reserved
[  256.558385]  ? should_fail+0x22d/0xd01
[  256.562599] 0 pages cma reserved
[  256.566568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.572142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.575523]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.575539]  ? __lock_acquire+0x62f/0x4c20
[  256.575557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.579479] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.582780]  ? __lock_acquire+0x62f/0x4c20
[  256.588032] syz-fuzzer cpuset=/ mems_allowed=0
[  256.594517]  ? should_fail+0x22d/0xd01
[  256.631777]  ? rcu_irq_exit+0x1a2/0x390
[  256.635766]  ? mark_held_locks+0x130/0x130
[  256.640011]  ? mark_held_locks+0x130/0x130
[  256.644253]  ? mark_held_locks+0xc7/0x130
[  256.648404]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  256.653422]  ? zap_class+0x640/0x640
[  256.657137]  ? print_usage_bug+0xc0/0xc0
[  256.661205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.666745]  ? check_preemption_disabled+0x48/0x280
[  256.671777]  ? __lock_is_held+0xb5/0x140
[  256.675846]  __alloc_pages_nodemask+0xa80/0xde0
[  256.680517]  ? zap_class+0x640/0x640
[  256.684241]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  256.689303]  ? find_held_lock+0x36/0x1c0
[  256.693380]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.698052]  ? lock_downgrade+0x900/0x900
[  256.702209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.707754]  cache_grow_begin+0xa5/0x8c0
[  256.711818]  ? do_raw_spin_unlock+0xa7/0x330
[  256.716239]  fallback_alloc+0x204/0x2e0
[  256.720226]  ____cache_alloc_node+0x1c7/0x1e0
[  256.724731]  kmem_cache_alloc_node+0xe3/0x730
[  256.729227]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.733475]  __alloc_skb+0x119/0x770
[  256.737188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.742473]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.746884]  ? lock_downgrade+0x900/0x900
[  256.751047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.756765]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.762220]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.767676]  ? addrconf_rs_timer+0x690/0x690
[  256.772094]  ndisc_alloc_skb+0x144/0x340
[  256.776159]  ndisc_send_rs+0x331/0x6e0
[  256.780056]  addrconf_rs_timer+0x314/0x690
[  256.784298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.788563]  call_timer_fn+0x272/0x920
[  256.792460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.796695]  ? process_timeout+0x40/0x40
[  256.800767]  ? __run_timers+0x7da/0xc70
[  256.804750]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.809244]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.813735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.817970]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.822556]  ? trace_hardirqs_on+0xbd/0x310
[  256.826902]  ? kasan_check_read+0x11/0x20
[  256.831049]  ? __run_timers+0x7da/0xc70
[  256.835029]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.840138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.844388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.848624]  __run_timers+0x7e5/0xc70
[  256.852438]  ? timer_fixup_init+0x70/0x70
[  256.856603]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.861626]  ? zap_class+0x640/0x640
[  256.865344]  ? enqueue_hrtimer+0x1a5/0x560
[  256.869596]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.874794]  ? find_held_lock+0x36/0x1c0
[  256.878862]  ? zap_class+0x640/0x640
[  256.882594]  ? pvclock_read_flags+0x160/0x160
[  256.887095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.892636]  ? check_preemption_disabled+0x48/0x280
[  256.897665]  ? __lock_is_held+0xb5/0x140
[  256.901732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.907270]  ? check_preemption_disabled+0x48/0x280
[  256.912295]  run_timer_softirq+0x52/0xb0
[  256.916365]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.921420]  __do_softirq+0x308/0xb7e
[  256.925225]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.929720]  ? lock_downgrade+0x900/0x900
[  256.933905]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.939033]  ? pvclock_read_flags+0x160/0x160
[  256.943539]  ? lapic_next_event+0x5a/0x90
[  256.947713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.953262]  ? kvm_clock_read+0x18/0x30
[  256.957236]  ? kvm_sched_clock_read+0x9/0x20
[  256.961648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.967187]  ? check_preemption_disabled+0x48/0x280
[  256.972217]  irq_exit+0x17f/0x1c0
[  256.975696]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.980541]  ? smp_reschedule_interrupt+0x109/0x650
[  256.985566]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.991476]  ? interrupt_entry+0xb5/0xc0
[  256.995543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.000558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.005597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.010446]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.015467]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.020485]  ? task_prio+0x50/0x50
[  257.024029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.029574]  ? check_preemption_disabled+0x48/0x280
[  257.034639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.039497]  apic_timer_interrupt+0xf/0x20
[  257.043727]  </IRQ>
[  257.045968] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.050898] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  257.069797] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  257.077503] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.084773] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  257.092040] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  257.099307] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  257.106577] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  257.113898]  skb_clone+0x1bb/0x500
[  257.117446]  ? finish_task_switch+0x1b4/0x910
[  257.121977]  ? skb_split+0x11e0/0x11e0
[  257.125867]  ? preempt_notifier_register+0x200/0x200
[  257.130971]  ? __switch_to_asm+0x34/0x70
[  257.135035]  ? __switch_to_asm+0x34/0x70
[  257.139098]  ? __switch_to_asm+0x40/0x70
[  257.143160]  ? __switch_to_asm+0x34/0x70
[  257.147238]  ? __switch_to_asm+0x40/0x70
[  257.151304]  ? __switch_to_asm+0x34/0x70
[  257.155371]  ? __switch_to_asm+0x40/0x70
[  257.159434]  ? __switch_to_asm+0x34/0x70
[  257.163496]  ? __switch_to_asm+0x34/0x70
[  257.167558]  ? __switch_to_asm+0x40/0x70
[  257.171627]  ? __switch_to_asm+0x34/0x70
[  257.175699]  bpf_clone_redirect+0xb9/0x490
[  257.179934]  ? __schedule+0x8d7/0x21d0
[  257.183828]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  257.188847]  ? __sched_text_start+0x8/0x8
[  257.193000]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.197770]  ? find_held_lock+0x36/0x1c0
[  257.201843]  ? lock_acquire+0x1ed/0x520
[  257.205818]  ? bpf_test_run+0x3cb/0x780
[  257.209796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.215334]  ? check_preemption_disabled+0x48/0x280
[  257.220371]  ? kasan_check_read+0x11/0x20
[  257.224519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.229795]  ? rcu_softirq_qs+0x20/0x20
[  257.233775]  ? preempt_schedule+0x4d/0x60
[  257.237925]  ? ___preempt_schedule+0x16/0x18
[  257.242342]  ? bpf_test_run+0x25d/0x780
[  257.246382]  ? netlink_diag_dump+0x2a0/0x2a0
[  257.250812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.256363]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  257.261133]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  257.265975]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.271517]  ? fput+0x130/0x1a0
[  257.274802]  ? __bpf_prog_get+0x9b/0x290
[  257.278872]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  257.283714]  ? bpf_prog_test_run+0x130/0x1a0
[  257.288132]  ? __x64_sys_bpf+0x3d8/0x520
[  257.292197]  ? bpf_prog_get+0x20/0x20
[  257.296017]  ? do_syscall_64+0x1b9/0x820
[  257.300083]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  257.305456]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.310390]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.315413]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  257.320434]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  257.327104]  ? __switch_to_asm+0x40/0x70
[  257.331165]  ? __switch_to_asm+0x34/0x70
[  257.335235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.340093]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  257.345478] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  257.345551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.352057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.352066] Call Trace:
[  257.358642] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.367889]  <IRQ>
[  257.370464] syz-executor1 cpuset=syz1 mems_allowed=0
[  257.380940]  dump_stack+0x244/0x39d
[  257.391779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.396984]  warn_alloc.cold.116+0xb7/0x1bd
[  257.401307]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.406154]  ? lock_downgrade+0x900/0x900
[  257.410316]  ? trace_hardirqs_off+0xb8/0x310
[  257.414733]  ? trace_hardirqs_off+0xb8/0x310
[  257.419152]  __alloc_pages_slowpath+0x26e8/0x2e10
[  257.424024]  ? warn_alloc+0x120/0x120
[  257.427833]  ? print_usage_bug+0xc0/0xc0
[  257.431903]  ? warn_alloc+0x120/0x120
[  257.435713]  ? warn_alloc+0x120/0x120
[  257.439517]  ? print_usage_bug+0xc0/0xc0
[  257.443593]  ? print_usage_bug+0xc0/0xc0
[  257.447664]  ? __lock_acquire+0x62f/0x4c20
[  257.451910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.457453]  ? should_fail+0x22d/0xd01
[  257.461350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.466455]  ? __lock_acquire+0x62f/0x4c20
[  257.470700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.475802]  ? __lock_acquire+0x62f/0x4c20
[  257.480034]  ? should_fail+0x22d/0xd01
[  257.483924]  ? find_held_lock+0x36/0x1c0
[  257.487998]  ? mark_held_locks+0x130/0x130
[  257.492242]  ? mark_held_locks+0x130/0x130
[  257.496476]  ? zap_class+0x640/0x640
[  257.500195]  ? zap_class+0x640/0x640
[  257.503915]  ? print_usage_bug+0xc0/0xc0
[  257.507973]  ? do_raw_spin_unlock+0xa7/0x330
[  257.512386]  ? zap_class+0x640/0x640
[  257.516100]  ? print_usage_bug+0xc0/0xc0
[  257.520161]  ? wq_watchdog_touch+0x9c/0xfe
[  257.524400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.529939]  ? check_preemption_disabled+0x48/0x280
[  257.534968]  ? __lock_is_held+0xb5/0x140
[  257.539039]  __alloc_pages_nodemask+0xa80/0xde0
[  257.543715]  ? zap_class+0x640/0x640
[  257.547437]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.552472]  ? find_held_lock+0x36/0x1c0
[  257.556549]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.561220]  ? lock_downgrade+0x900/0x900
[  257.565382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.570932]  cache_grow_begin+0xa5/0x8c0
[  257.574999]  ? do_raw_spin_unlock+0xa7/0x330
[  257.579420]  fallback_alloc+0x204/0x2e0
[  257.583400]  ____cache_alloc_node+0x1c7/0x1e0
[  257.587903]  kmem_cache_alloc_node+0xe3/0x730
[  257.592402]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.596651]  __alloc_skb+0x119/0x770
[  257.600365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.605649]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.610060]  ? lock_downgrade+0x900/0x900
[  257.614221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.619761]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.625219]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.630670]  ? addrconf_rs_timer+0x690/0x690
[  257.635092]  ndisc_alloc_skb+0x144/0x340
[  257.639623]  ndisc_send_rs+0x331/0x6e0
[  257.643520]  addrconf_rs_timer+0x314/0x690
[  257.647761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.652009]  call_timer_fn+0x272/0x920
[  257.655895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.660134]  ? process_timeout+0x40/0x40
[  257.664207]  ? mark_held_locks+0xc7/0x130
[  257.668359]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.672861]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.677359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.681612]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.686201]  ? trace_hardirqs_on+0xbd/0x310
[  257.690527]  ? kasan_check_read+0x11/0x20
[  257.694682]  ? __run_timers+0x7da/0xc70
[  257.698658]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.703771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.708011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.712246]  __run_timers+0x7e5/0xc70
[  257.716059]  ? timer_fixup_init+0x70/0x70
[  257.720211]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.725231]  ? zap_class+0x640/0x640
[  257.728956]  ? print_usage_bug+0xc0/0xc0
[  257.733022]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.738237]  ? find_held_lock+0x36/0x1c0
[  257.742308]  ? zap_class+0x640/0x640
[  257.746032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.751575]  ? check_preemption_disabled+0x48/0x280
[  257.756621]  ? __lock_is_held+0xb5/0x140
[  257.760691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.766236]  ? check_preemption_disabled+0x48/0x280
[  257.771482]  run_timer_softirq+0x52/0xb0
[  257.775566]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.780603]  __do_softirq+0x308/0xb7e
[  257.784438]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.788932]  ? lock_downgrade+0x900/0x900
[  257.793085]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.798203]  ? pvclock_read_flags+0x160/0x160
[  257.802705]  ? lapic_next_event+0x5a/0x90
[  257.807085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.812641]  ? kvm_clock_read+0x18/0x30
[  257.816623]  ? kvm_sched_clock_read+0x9/0x20
[  257.821036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.826580]  ? check_preemption_disabled+0x48/0x280
[  257.831629]  irq_exit+0x17f/0x1c0
[  257.835089]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.839958]  ? smp_reschedule_interrupt+0x109/0x650
[  257.844981]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.850874]  ? interrupt_entry+0xb5/0xc0
[  257.854944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.859964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.864983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.869833]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.874861]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.879884]  ? task_prio+0x50/0x50
[  257.883434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.888975]  ? check_preemption_disabled+0x48/0x280
[  257.894000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.898860]  apic_timer_interrupt+0xf/0x20
[  257.903092]  </IRQ>
[  257.905337] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  257.911484] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  257.930385] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  257.938094] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  257.945365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  257.952651] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  257.959919] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  257.967190] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  257.974480]  ? unlock_page+0x25d/0x4c0
[  257.978383]  unlock_page+0x25d/0x4c0
[  257.982100]  ? wake_up_page_bit+0x6f0/0x6f0
[  257.986424]  ? shrink_page_list+0x7e68/0xccd0
[  257.990926]  ? shrink_page_list+0x7e68/0xccd0
[  257.995423]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.000011]  ? shrink_inactive_list+0x77b/0x1c60
[  258.004772]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.009887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.015430]  ? check_preemption_disabled+0x48/0x280
[  258.020459]  ? shrink_page_list+0x145c/0xccd0
[  258.024959]  shrink_page_list+0x3714/0xccd0
[  258.029309]  ? page_evictable+0x540/0x540
[  258.033703]  ? rb_erase_cached+0xc78/0x3720
[  258.038031]  ? rb_erase_cached+0xc78/0x3720
[  258.042362]  ? rb_next+0x140/0x140
[  258.045911]  ? rb_next+0x140/0x140
[  258.049457]  ? rb_next+0x140/0x140
[  258.053075]  ? zap_class+0x640/0x640
[  258.056789]  ? zap_class+0x640/0x640
[  258.060506]  ? zap_class+0x640/0x640
[  258.064224]  ? zap_class+0x640/0x640
[  258.067937]  ? __update_load_avg_se+0x5eb/0xae0
[  258.072619]  ? __update_load_avg_blocked_se+0x690/0x690
[  258.077990]  ? __update_load_avg_se+0xae0/0xae0
[  258.082656]  ? zap_class+0x640/0x640
[  258.086384]  ? update_load_avg+0x387/0x2470
[  258.090717]  ? attach_entity_load_avg+0x860/0x860
[  258.095572]  ? update_load_avg+0x387/0x2470
[  258.099912]  ? attach_entity_load_avg+0x860/0x860
[  258.104798]  ? attach_entity_load_avg+0x860/0x860
[  258.109649]  ? attach_entity_load_avg+0x860/0x860
[  258.114494]  ? rb_erase+0x3710/0x3710
[  258.118296]  ? rb_erase+0x3710/0x3710
[  258.122099]  ? rb_erase+0x3710/0x3710
[  258.125904]  ? rb_erase+0x3710/0x3710
[  258.129708]  ? rb_erase+0x3710/0x3710
[  258.133550]  ? __lock_acquire+0x62f/0x4c20
[  258.137817]  ? zap_class+0x640/0x640
[  258.141539]  ? print_usage_bug+0xc0/0xc0
[  258.145611]  ? zap_class+0x640/0x640
[  258.149330]  ? zap_class+0x640/0x640
[  258.153049]  ? print_usage_bug+0xc0/0xc0
[  258.157118]  ? print_usage_bug+0xc0/0xc0
[  258.161182]  ? zap_class+0x640/0x640
[  258.164895]  ? __lock_is_held+0xb5/0x140
[  258.168970]  ? print_usage_bug+0xc0/0xc0
[  258.173044]  ? __lock_acquire+0x62f/0x4c20
[  258.177287]  ? mark_held_locks+0x130/0x130
[  258.181523]  ? print_usage_bug+0xc0/0xc0
[  258.185603]  ? rb_erase_cached+0xc78/0x3720
[  258.189941]  ? rb_next+0x140/0x140
[  258.193487]  ? rb_next+0x140/0x140
[  258.197029]  ? __lock_acquire+0x62f/0x4c20
[  258.201272]  ? __lock_acquire+0x62f/0x4c20
[  258.205512]  ? rcu_note_context_switch+0x12ad/0x2150
[  258.210620]  ? print_usage_bug+0xc0/0xc0
[  258.214700]  ? mark_held_locks+0x130/0x130
[  258.218945]  ? zap_class+0x640/0x640
[  258.222667]  ? print_usage_bug+0xc0/0xc0
[  258.226744]  ? put_dec+0x3b/0xf0
[  258.230136]  ? rb_next+0x140/0x140
[  258.233683]  ? __lock_acquire+0x62f/0x4c20
[  258.237922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.243466]  ? check_preemption_disabled+0x48/0x280
[  258.248498]  ? print_usage_bug+0xc0/0xc0
[  258.252570]  ? rb_erase_cached+0xc78/0x3720
[  258.256911]  ? rb_next+0x140/0x140
[  258.260465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.266009]  ? __isolate_lru_page+0xd05/0x1540
[  258.270616]  ? print_usage_bug+0xc0/0xc0
[  258.274682]  ? mark_held_locks+0x130/0x130
[  258.278919]  ? zap_class+0x640/0x640
[  258.282635]  ? update_load_avg+0x13b8/0x2470
[  258.287054]  ? print_usage_bug+0xc0/0xc0
[  258.291134]  ? zap_class+0x640/0x640
[  258.294855]  ? __lock_acquire+0x62f/0x4c20
[  258.299094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.304634]  ? check_preemption_disabled+0x48/0x280
[  258.309660]  ? __update_load_avg_blocked_se+0x690/0x690
[  258.315032]  ? __update_load_avg_se+0xae0/0xae0
[  258.319699]  ? zap_class+0x640/0x640
[  258.323429]  ? update_load_avg+0x387/0x2470
[  258.327759]  ? attach_entity_load_avg+0x860/0x860
[  258.332618]  ? update_load_avg+0x387/0x2470
[  258.336951]  ? attach_entity_load_avg+0x860/0x860
[  258.341800]  ? attach_entity_load_avg+0x860/0x860
[  258.346650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.352235]  ? __isolate_lru_page+0xd05/0x1540
[  258.356826]  ? putback_lru_page+0x280/0x280
[  258.361153]  ? rb_erase+0x3710/0x3710
[  258.364967]  ? mark_held_locks+0x130/0x130
[  258.369209]  ? cpuacct_charge+0x265/0x440
[  258.373363]  ? find_held_lock+0x36/0x1c0
[  258.377435]  ? zap_class+0x640/0x640
[  258.381150]  ? print_usage_bug+0xc0/0xc0
[  258.385211]  ? zap_class+0x640/0x640
[  258.388924]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.393861]  ? kasan_check_read+0x11/0x20
[  258.398012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.403298]  ? zap_class+0x640/0x640
[  258.407011]  ? __lock_is_held+0xb5/0x140
[  258.411084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.416627]  ? check_preemption_disabled+0x48/0x280
[  258.421655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.427200]  ? check_preemption_disabled+0x48/0x280
[  258.432221]  ? __lock_is_held+0xb5/0x140
[  258.436290]  ? __this_cpu_preempt_check+0x1c/0x20
[  258.441137]  ? __mod_zone_page_state+0x8a/0xf0
[  258.445728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.451267]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  258.456477]  ? __isolate_lru_page+0x1540/0x1540
[  258.461163]  ? zap_class+0x640/0x640
[  258.464914]  ? print_usage_bug+0xc0/0xc0
[  258.468980]  ? __account_cfs_rq_runtime+0x790/0x790
[  258.474007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.479553]  ? find_held_lock+0x36/0x1c0
[  258.483627]  ? zap_class+0x640/0x640
[  258.487346]  ? print_usage_bug+0xc0/0xc0
[  258.491416]  ? mark_held_locks+0xc7/0x130
[  258.495582]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.500095]  ? zap_class+0x640/0x640
[  258.503818]  ? print_usage_bug+0xc0/0xc0
[  258.507892]  ? mark_held_locks+0xc7/0x130
[  258.512047]  ? find_held_lock+0x36/0x1c0
[  258.516122]  ? mark_held_locks+0xc7/0x130
[  258.520272]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.524767]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.529268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.533859]  ? trace_hardirqs_on+0xbd/0x310
[  258.538186]  ? kasan_check_read+0x11/0x20
[  258.542336]  ? shrink_inactive_list+0x741/0x1c60
[  258.547095]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.552206]  ? trace_hardirqs_on+0x310/0x310
[  258.556626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.562169]  ? check_preemption_disabled+0x48/0x280
[  258.567198]  shrink_inactive_list+0x77b/0x1c60
[  258.571796]  ? putback_inactive_pages+0x27e0/0x27e0
[  258.576819]  ? kasan_check_read+0x11/0x20
[  258.580975]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  258.586252]  ? __rcu_read_unlock+0x2d6/0x2e0
[  258.590663]  ? blk_lld_busy+0x70/0x70
[  258.594465]  ? kasan_check_read+0x11/0x20
[  258.598634]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  258.603578]  shrink_node_memcg+0x78b/0x18f0
[  258.607926]  ? shrink_active_list+0x1f00/0x1f00
[  258.612610]  ? lock_downgrade+0x900/0x900
[  258.616763]  ? check_flush_dependency+0x410/0x410
[  258.621620]  ? kasan_check_read+0x11/0x20
[  258.625775]  ? do_raw_spin_unlock+0xa7/0x330
[  258.630190]  ? ___preempt_schedule+0x16/0x18
[  258.634616]  ? _raw_spin_unlock+0x3f/0x50
[  258.638999]  shrink_node+0x3bc/0x16b0
[  258.642897]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  258.648207]  ? shrink_node_memcg+0x18f0/0x18f0
[  258.652794]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.657400]  ? trace_hardirqs_on+0xbd/0x310
[  258.661734]  ? vmpressure+0x271/0x340
[  258.665546]  ? do_raw_spin_trylock+0x270/0x270
[  258.670139]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.675678]  ? __cpuset_node_allowed+0x19b/0x660
[  258.680442]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  258.686156]  ? vmpressure+0x1a2/0x340
[  258.689976]  do_try_to_free_pages+0x3e7/0x1290
[  258.694565]  ? zap_class+0x640/0x640
[  258.698310]  ? shrink_node+0x16b0/0x16b0
[  258.702381]  ? __lock_is_held+0xb5/0x140
[  258.706465]  try_to_free_pages+0x4d0/0xb90
[  258.710711]  ? do_try_to_free_pages+0x1290/0x1290
[  258.715572]  ? lock_acquire+0x1ed/0x520
[  258.719554]  ? set_page_refcounted+0x280/0x280
[  258.724151]  ? lock_release+0xa00/0xa00
[  258.728132]  ? _raw_spin_unlock_irq+0x60/0x80
[  258.732627]  ? psi_memstall_enter+0x240/0x2b0
[  258.737126]  ? psi_memstall_tick+0x230/0x230
[  258.741552]  __alloc_pages_slowpath+0xa14/0x2e10
[  258.746345]  ? warn_alloc+0x120/0x120
[  258.750163]  ? mark_held_locks+0x130/0x130
[  258.754411]  ? find_get_entry+0xaae/0x1120
[  258.758658]  ? filemap_map_pages+0x1a20/0x1a20
[  258.763246]  ? zap_class+0x640/0x640
[  258.766966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.772509]  ? check_preemption_disabled+0x48/0x280
[  258.777532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.783072]  ? should_fail+0x22d/0xd01
[  258.786969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.792078]  ? zap_class+0x640/0x640
[  258.795824]  ? __lock_is_held+0xb5/0x140
[  258.799901]  ? mark_held_locks+0x130/0x130
[  258.804145]  ? lock_release+0xa00/0xa00
[  258.808127]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.813593]  ? xa_load+0x2ba/0x460
[  258.817139]  ? lock_downgrade+0x900/0x900
[  258.821299]  ? __might_sleep+0x95/0x190
[  258.825282]  __alloc_pages_nodemask+0xa80/0xde0
[  258.829966]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.834986]  ? __page_cache_alloc+0x191/0x5c0
[  258.839483]  ? xa_load+0x2e1/0x460
[  258.843024]  ? xa_clear_mark+0x40/0x40
[  258.846919]  ? zap_class+0x640/0x640
[  258.850643]  ? zap_class+0x640/0x640
[  258.854356]  ? zap_class+0x640/0x640
[  258.858078]  ? __do_page_cache_readahead+0x663/0x810
[  258.863194]  ? find_held_lock+0x36/0x1c0
[  258.867267]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  258.872813]  alloc_pages_current+0x173/0x350
[  258.877238]  __page_cache_alloc+0x38c/0x5c0
[  258.881559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.886500]  ? kasan_check_read+0x11/0x20
[  258.890656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.895956]  ? generic_perform_write+0x6a0/0x6a0
[  258.900718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.906262]  ? check_preemption_disabled+0x48/0x280
[  258.911288]  filemap_fault+0x1595/0x25f0
[  258.915366]  ? __lock_page_or_retry+0xa00/0xa00
[  258.920046]  ? mark_held_locks+0x130/0x130
[  258.924297]  ? filemap_map_pages+0xd6b/0x1a20
[  258.928801]  ? lock_downgrade+0x900/0x900
[  258.932953]  ? check_preemption_disabled+0x48/0x280
[  258.937977]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.942913]  ? kasan_check_read+0x11/0x20
[  258.947068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.952346]  ? rcu_softirq_qs+0x20/0x20
[  258.956340]  ? filemap_map_pages+0xd92/0x1a20
[  258.960868]  ? find_get_entries_tag+0x1400/0x1400
[  258.965720]  ? debug_object_destroy+0x2b0/0x2b0
[  258.970395]  ? lock_pi_update_atomic+0x150/0x150
[  258.975153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.980706]  ? lock_acquire+0x1ed/0x520
[  258.984685]  ? ext4_filemap_fault+0x7a/0xad
[  258.989019]  ? lock_release+0xa00/0xa00
[  258.992992]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.998444]  ? print_usage_bug+0xc0/0xc0
[  259.002510]  ? print_usage_bug+0xc0/0xc0
[  259.006583]  ? down_read+0x8d/0x120
[  259.010225]  ? ext4_filemap_fault+0x7a/0xad
[  259.014551]  ? __down_interruptible+0x700/0x700
[  259.019232]  ext4_filemap_fault+0x82/0xad
[  259.023387]  __do_fault+0x100/0x6b0
[  259.027015]  ? find_held_lock+0x36/0x1c0
[  259.031081]  ? pmd_devmap_trans_unstable+0x220/0x220
[  259.036190]  ? mark_held_locks+0x130/0x130
[  259.040429]  ? mark_held_locks+0x130/0x130
[  259.044668]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.049167]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.053665]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.058261]  ? kasan_check_read+0x11/0x20
[  259.062415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.067965]  __handle_mm_fault+0x3ea6/0x5be0
[  259.072386]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  259.077235]  ? finish_task_switch+0x1f4/0x910
[  259.081731]  ? finish_task_switch+0x1b4/0x910
[  259.086231]  ? __switch_to_asm+0x34/0x70
[  259.090300]  ? preempt_notifier_register+0x200/0x200
[  259.095403]  ? __switch_to_asm+0x34/0x70
[  259.099466]  ? __switch_to_asm+0x34/0x70
[  259.103547]  ? zap_class+0x640/0x640
[  259.107259]  ? zap_class+0x640/0x640
[  259.110979]  ? __x64_sys_futex+0x53e/0x6a0
[  259.115221]  ? find_held_lock+0x36/0x1c0
[  259.119299]  ? handle_mm_fault+0x42a/0xc70
[  259.123539]  ? lock_downgrade+0x900/0x900
[  259.127689]  ? check_preemption_disabled+0x48/0x280
[  259.132710]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.137646]  ? kasan_check_read+0x11/0x20
[  259.141799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.147074]  ? rcu_softirq_qs+0x20/0x20
[  259.151049]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.156156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.161699]  ? check_preemption_disabled+0x48/0x280
[  259.166726]  handle_mm_fault+0x54f/0xc70
[  259.170794]  ? __handle_mm_fault+0x5be0/0x5be0
[  259.175382]  ? find_vma+0x34/0x190
[  259.178932]  __do_page_fault+0x5e8/0xe60
[  259.182998]  ? trace_hardirqs_off+0xb8/0x310
[  259.187422]  do_page_fault+0xf2/0x7e0
[  259.191226]  ? vmalloc_sync_all+0x30/0x30
[  259.195378]  ? error_entry+0x70/0xd0
[  259.199103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.204121]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.209057]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.214007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.218868]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.223892]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.229358]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.234379]  ? page_fault+0x8/0x30
[  259.237929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.242781]  ? page_fault+0x8/0x30
[  259.246326]  page_fault+0x1e/0x30
[  259.249780] RIP: 0033:0x40f9c0
[  259.253004] Code: Bad RIP value.
[  259.256364] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  259.261726] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  259.268997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  259.276264] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  259.283533] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  259.290803] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  259.298097] warn_alloc_show_mem: 1 callbacks suppressed
[  259.298108] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  259.298110] Mem-Info:
[  259.298141] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  259.298141]  active_file:14 inactive_file:15 isolated_file:0
[  259.298141]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.298141]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  259.298141]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  259.298141]  free:13731 free_pcp:182 free_cma:0
[  259.303484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.310415] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.312815] Call Trace:
[  259.345857] 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
[  259.355202]  <IRQ>
[  259.383041] lowmem_reserve[]: 0 2818 6321 6321
[  259.385631]  dump_stack+0x244/0x39d
[  259.411721] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  259.413877]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.418427] lowmem_reserve[]: 0 0 3503 3503
[  259.422061]  warn_alloc.cold.116+0xb7/0x1bd
[  259.449817] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  259.455009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.459297] lowmem_reserve[]: 0 0 0 0
[  259.463624]  ? lock_downgrade+0x900/0x900
[  259.492577] 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
[  259.497433]  ? trace_hardirqs_off+0xb8/0x310
[  259.501199] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  259.505355]  ? trace_hardirqs_off+0xb8/0x310
[  259.518853] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  259.523266]  __alloc_pages_slowpath+0x26e8/0x2e10
[  259.538424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  259.542858]  ? warn_alloc+0x120/0x120
[  259.558371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  259.563211]  ? print_usage_bug+0xc0/0xc0
[  259.572018] 2704 total pagecache pages
[  259.575815]  ? warn_alloc+0x120/0x120
[  259.584373] 0 pages in swap cache
[  259.588430]  ? warn_alloc+0x120/0x120
[  259.592289] Swap cache stats: add 0, delete 0, find 0/0
[  259.596086]  ? print_usage_bug+0xc0/0xc0
[  259.599511] Free swap  = 0kB
[  259.603307]  ? kvm_clock_read+0x18/0x30
[  259.608642] Total swap = 0kB
[  259.612701]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  259.615690] 1965979 pages RAM
[  259.619661]  ? print_usage_bug+0xc0/0xc0
[  259.622649] 0 pages HighMem/MovableOnly
[  259.622658] 342858 pages reserved
[  259.627680]  ? __lock_acquire+0x62f/0x4c20
[  259.630761] 0 pages cma reserved
[  259.634821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.639319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.642709]  ? should_fail+0x22d/0xd01
[  259.647014] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.650283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.655798] syz-fuzzer cpuset=/ mems_allowed=0
[  259.662288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.691317]  ? __lock_acquire+0x62f/0x4c20
[  259.695567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.700691]  ? __lock_acquire+0x62f/0x4c20
[  259.704927]  ? should_fail+0x22d/0xd01
[  259.708816]  ? rcu_irq_exit+0x1a2/0x390
[  259.712807]  ? mark_held_locks+0x130/0x130
[  259.717048]  ? mark_held_locks+0x130/0x130
[  259.721295]  ? mark_held_locks+0xc7/0x130
[  259.725450]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  259.730475]  ? zap_class+0x640/0x640
[  259.734196]  ? print_usage_bug+0xc0/0xc0
[  259.738267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.743814]  ? check_preemption_disabled+0x48/0x280
[  259.748848]  ? __lock_is_held+0xb5/0x140
[  259.752935]  __alloc_pages_nodemask+0xa80/0xde0
[  259.757652]  ? zap_class+0x640/0x640
[  259.761383]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.766419]  ? find_held_lock+0x36/0x1c0
[  259.770951]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.775635]  ? lock_downgrade+0x900/0x900
[  259.779797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.785354]  cache_grow_begin+0xa5/0x8c0
[  259.789422]  ? do_raw_spin_unlock+0xa7/0x330
[  259.793854]  fallback_alloc+0x204/0x2e0
[  259.797846]  ____cache_alloc_node+0x1c7/0x1e0
[  259.802361]  kmem_cache_alloc_node+0xe3/0x730
[  259.806861]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.811109]  __alloc_skb+0x119/0x770
[  259.814827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.820117]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.824529]  ? lock_downgrade+0x900/0x900
[  259.828697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.834250]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.839716]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.845170]  ? addrconf_rs_timer+0x690/0x690
[  259.849607]  ndisc_alloc_skb+0x144/0x340
[  259.853680]  ndisc_send_rs+0x331/0x6e0
[  259.857578]  addrconf_rs_timer+0x314/0x690
[  259.861830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.866077]  call_timer_fn+0x272/0x920
[  259.869965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.874216]  ? process_timeout+0x40/0x40
[  259.878287]  ? __run_timers+0x7da/0xc70
[  259.882271]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.886768]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.891261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.895502]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.900091]  ? trace_hardirqs_on+0xbd/0x310
[  259.904416]  ? kasan_check_read+0x11/0x20
[  259.908564]  ? __run_timers+0x7da/0xc70
[  259.912549]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.917663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.921902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.926139]  __run_timers+0x7e5/0xc70
[  259.929951]  ? timer_fixup_init+0x70/0x70
[  259.934104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  259.939122]  ? zap_class+0x640/0x640
[  259.942845]  ? enqueue_hrtimer+0x1a5/0x560
[  259.947086]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  259.952284]  ? find_held_lock+0x36/0x1c0
[  259.956359]  ? zap_class+0x640/0x640
[  259.960082]  ? pvclock_read_flags+0x160/0x160
[  259.964583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.970135]  ? check_preemption_disabled+0x48/0x280
[  259.975165]  ? __lock_is_held+0xb5/0x140
[  259.979235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.984781]  ? check_preemption_disabled+0x48/0x280
[  259.989807]  run_timer_softirq+0x52/0xb0
[  259.993877]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.998897]  __do_softirq+0x308/0xb7e
[  260.002703]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.007201]  ? lock_downgrade+0x900/0x900
[  260.011359]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.016471]  ? pvclock_read_flags+0x160/0x160
[  260.020971]  ? lapic_next_event+0x5a/0x90
[  260.025129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.030677]  ? kvm_clock_read+0x18/0x30
[  260.034652]  ? kvm_sched_clock_read+0x9/0x20
[  260.039066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.044614]  ? check_preemption_disabled+0x48/0x280
[  260.049648]  irq_exit+0x17f/0x1c0
[  260.053111]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.057956]  ? smp_reschedule_interrupt+0x109/0x650
[  260.062976]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.068867]  ? interrupt_entry+0xb5/0xc0
[  260.072933]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.077950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.082969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.087820]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.092838]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.097858]  ? task_prio+0x50/0x50
[  260.101407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.106949]  ? check_preemption_disabled+0x48/0x280
[  260.111974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.116830]  apic_timer_interrupt+0xf/0x20
[  260.121058]  </IRQ>
[  260.123304] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.128241] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  260.147142] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.154849] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.162120] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  260.169389] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  260.176659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.183932] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  260.191247]  skb_clone+0x1bb/0x500
[  260.194790]  ? finish_task_switch+0x1b4/0x910
[  260.199297]  ? skb_split+0x11e0/0x11e0
[  260.203193]  ? preempt_notifier_register+0x200/0x200
[  260.208299]  ? __switch_to_asm+0x34/0x70
[  260.212384]  ? __switch_to_asm+0x34/0x70
[  260.216452]  ? __switch_to_asm+0x40/0x70
[  260.220511]  ? __switch_to_asm+0x34/0x70
[  260.224574]  ? __switch_to_asm+0x40/0x70
[  260.228646]  ? __switch_to_asm+0x34/0x70
[  260.232709]  ? __switch_to_asm+0x40/0x70
[  260.236773]  ? __switch_to_asm+0x34/0x70
[  260.240838]  ? __switch_to_asm+0x34/0x70
[  260.244900]  ? __switch_to_asm+0x40/0x70
[  260.248964]  ? __switch_to_asm+0x34/0x70
[  260.253039]  bpf_clone_redirect+0xb9/0x490
[  260.257278]  ? __schedule+0x8d7/0x21d0
[  260.261171]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  260.266194]  ? __sched_text_start+0x8/0x8
[  260.270343]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.275124]  ? find_held_lock+0x36/0x1c0
[  260.279196]  ? lock_acquire+0x1ed/0x520
[  260.283173]  ? bpf_test_run+0x3cb/0x780
[  260.287149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.292693]  ? check_preemption_disabled+0x48/0x280
[  260.297726]  ? kasan_check_read+0x11/0x20
[  260.301879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.307156]  ? rcu_softirq_qs+0x20/0x20
[  260.311133]  ? preempt_schedule+0x4d/0x60
[  260.315283]  ? ___preempt_schedule+0x16/0x18
[  260.319702]  ? bpf_test_run+0x25d/0x780
[  260.323693]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.328107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.333653]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  260.338426]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  260.343272]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.348813]  ? fput+0x130/0x1a0
[  260.352094]  ? __bpf_prog_get+0x9b/0x290
[  260.356164]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  260.361007]  ? bpf_prog_test_run+0x130/0x1a0
[  260.365419]  ? __x64_sys_bpf+0x3d8/0x520
[  260.369480]  ? bpf_prog_get+0x20/0x20
[  260.373307]  ? do_syscall_64+0x1b9/0x820
[  260.377374]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.382740]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.387689]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.392711]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.397737]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  260.404419]  ? __switch_to_asm+0x40/0x70
[  260.408497]  ? __switch_to_asm+0x34/0x70
[  260.412568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.417431]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.422821] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  260.422912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.429412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.429418] Call Trace:
[  260.429425]  <IRQ>
[  260.429441]  dump_stack+0x244/0x39d
[  260.429461]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.436024] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.445303]  warn_alloc.cold.116+0xb7/0x1bd
[  260.447856] syz-executor1 cpuset=syz1 mems_allowed=0
[  260.450010]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.483502]  ? lock_downgrade+0x900/0x900
[  260.487660]  ? trace_hardirqs_off+0xb8/0x310
[  260.492077]  ? trace_hardirqs_off+0xb8/0x310
[  260.496500]  __alloc_pages_slowpath+0x26e8/0x2e10
[  260.501380]  ? warn_alloc+0x120/0x120
[  260.505189]  ? print_usage_bug+0xc0/0xc0
[  260.509252]  ? warn_alloc+0x120/0x120
[  260.513060]  ? warn_alloc+0x120/0x120
[  260.516871]  ? print_usage_bug+0xc0/0xc0
[  260.520939]  ? kvm_clock_read+0x18/0x30
[  260.524923]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  260.530032]  ? print_usage_bug+0xc0/0xc0
[  260.534099]  ? __lock_acquire+0x62f/0x4c20
[  260.538347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.543890]  ? should_fail+0x22d/0xd01
[  260.547785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.553067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.558188]  ? __lock_acquire+0x62f/0x4c20
[  260.562430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.567535]  ? __lock_acquire+0x62f/0x4c20
[  260.571771]  ? should_fail+0x22d/0xd01
[  260.575658]  ? rcu_irq_exit+0x1a2/0x390
[  260.579644]  ? mark_held_locks+0x130/0x130
[  260.583891]  ? mark_held_locks+0x130/0x130
[  260.588138]  ? mark_held_locks+0xc7/0x130
[  260.592293]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  260.597314]  ? zap_class+0x640/0x640
[  260.601031]  ? print_usage_bug+0xc0/0xc0
[  260.605102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.610648]  ? check_preemption_disabled+0x48/0x280
[  260.615681]  ? __lock_is_held+0xb5/0x140
[  260.619753]  __alloc_pages_nodemask+0xa80/0xde0
[  260.624432]  ? zap_class+0x640/0x640
[  260.628161]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.633195]  ? find_held_lock+0x36/0x1c0
[  260.637534]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.642207]  ? lock_downgrade+0x900/0x900
[  260.646366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.651931]  cache_grow_begin+0xa5/0x8c0
[  260.655995]  ? do_raw_spin_unlock+0xa7/0x330
[  260.660418]  fallback_alloc+0x204/0x2e0
[  260.664402]  ____cache_alloc_node+0x1c7/0x1e0
[  260.668913]  kmem_cache_alloc_node+0xe3/0x730
[  260.673414]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.677660]  __alloc_skb+0x119/0x770
[  260.681377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.686667]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.691079]  ? lock_downgrade+0x900/0x900
[  260.695241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.700787]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.706249]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.711718]  ? addrconf_rs_timer+0x690/0x690
[  260.716144]  ndisc_alloc_skb+0x144/0x340
[  260.720215]  ndisc_send_rs+0x331/0x6e0
[  260.724112]  addrconf_rs_timer+0x314/0x690
[  260.728358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.732620]  call_timer_fn+0x272/0x920
[  260.736514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.740842]  ? process_timeout+0x40/0x40
[  260.744920]  ? mark_held_locks+0xc7/0x130
[  260.749076]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.753577]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.758080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.762321]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.766907]  ? trace_hardirqs_on+0xbd/0x310
[  260.771231]  ? kasan_check_read+0x11/0x20
[  260.775379]  ? __run_timers+0x7da/0xc70
[  260.779356]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.784469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.788717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.792951]  __run_timers+0x7e5/0xc70
[  260.796766]  ? timer_fixup_init+0x70/0x70
[  260.800919]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.805940]  ? zap_class+0x640/0x640
[  260.809662]  ? print_usage_bug+0xc0/0xc0
[  260.813731]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.818930]  ? find_held_lock+0x36/0x1c0
[  260.822997]  ? zap_class+0x640/0x640
[  260.826718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.832261]  ? check_preemption_disabled+0x48/0x280
[  260.837288]  ? __lock_is_held+0xb5/0x140
[  260.841353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.846893]  ? check_preemption_disabled+0x48/0x280
[  260.851921]  run_timer_softirq+0x52/0xb0
[  260.855989]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.861013]  __do_softirq+0x308/0xb7e
[  260.864820]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.869339]  ? lock_downgrade+0x900/0x900
[  260.873493]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.878616]  ? pvclock_read_flags+0x160/0x160
[  260.883118]  ? lapic_next_event+0x5a/0x90
[  260.887270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.892816]  ? kvm_clock_read+0x18/0x30
[  260.896796]  ? kvm_sched_clock_read+0x9/0x20
[  260.901207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.906752]  ? check_preemption_disabled+0x48/0x280
[  260.911786]  irq_exit+0x17f/0x1c0
[  260.915247]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.920110]  ? smp_reschedule_interrupt+0x109/0x650
[  260.925135]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.931019]  ? interrupt_entry+0xb5/0xc0
[  260.935088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.940109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.945127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.949976]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.954997]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.960017]  ? task_prio+0x50/0x50
[  260.963561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.969110]  ? check_preemption_disabled+0x48/0x280
[  260.974135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.978992]  apic_timer_interrupt+0xf/0x20
[  260.983220]  </IRQ>
[  260.985460] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  260.991619] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  261.010532] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  261.018280] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  261.025552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  261.032832] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  261.040108] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  261.047382] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  261.054675]  ? unlock_page+0x25d/0x4c0
[  261.058574]  unlock_page+0x25d/0x4c0
[  261.062304]  ? wake_up_page_bit+0x6f0/0x6f0
[  261.066629]  ? shrink_page_list+0x7e68/0xccd0
[  261.071123]  ? shrink_page_list+0x7e68/0xccd0
[  261.075630]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.080217]  ? shrink_inactive_list+0x77b/0x1c60
[  261.084981]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.090087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.095627]  ? check_preemption_disabled+0x48/0x280
[  261.100644]  ? shrink_page_list+0x145c/0xccd0
[  261.105148]  shrink_page_list+0x3714/0xccd0
[  261.109499]  ? page_evictable+0x540/0x540
[  261.113826]  ? rb_erase_cached+0xc78/0x3720
[  261.118156]  ? rb_erase_cached+0xc78/0x3720
[  261.122483]  ? rb_next+0x140/0x140
[  261.126030]  ? rb_next+0x140/0x140
[  261.129577]  ? rb_next+0x140/0x140
[  261.133205]  ? zap_class+0x640/0x640
[  261.136921]  ? zap_class+0x640/0x640
[  261.140636]  ? zap_class+0x640/0x640
[  261.144352]  ? zap_class+0x640/0x640
[  261.148066]  ? __update_load_avg_se+0x5eb/0xae0
[  261.152739]  ? __update_load_avg_blocked_se+0x690/0x690
[  261.158108]  ? __update_load_avg_se+0xae0/0xae0
[  261.162776]  ? zap_class+0x640/0x640
[  261.166502]  ? update_load_avg+0x387/0x2470
[  261.170836]  ? attach_entity_load_avg+0x860/0x860
[  261.175691]  ? update_load_avg+0x387/0x2470
[  261.180023]  ? attach_entity_load_avg+0x860/0x860
[  261.184876]  ? attach_entity_load_avg+0x860/0x860
[  261.189726]  ? attach_entity_load_avg+0x860/0x860
[  261.194574]  ? rb_erase+0x3710/0x3710
[  261.198383]  ? rb_erase+0x3710/0x3710
[  261.202187]  ? rb_erase+0x3710/0x3710
[  261.205995]  ? rb_erase+0x3710/0x3710
[  261.209807]  ? rb_erase+0x3710/0x3710
[  261.213629]  ? __lock_acquire+0x62f/0x4c20
[  261.217888]  ? zap_class+0x640/0x640
[  261.221617]  ? print_usage_bug+0xc0/0xc0
[  261.225678]  ? zap_class+0x640/0x640
[  261.229393]  ? zap_class+0x640/0x640
[  261.233107]  ? print_usage_bug+0xc0/0xc0
[  261.237173]  ? print_usage_bug+0xc0/0xc0
[  261.241239]  ? zap_class+0x640/0x640
[  261.244953]  ? __lock_is_held+0xb5/0x140
[  261.249029]  ? print_usage_bug+0xc0/0xc0
[  261.253100]  ? __lock_acquire+0x62f/0x4c20
[  261.257343]  ? mark_held_locks+0x130/0x130
[  261.261584]  ? print_usage_bug+0xc0/0xc0
[  261.265667]  ? rb_erase_cached+0xc78/0x3720
[  261.269997]  ? rb_next+0x140/0x140
[  261.273540]  ? rb_next+0x140/0x140
[  261.277085]  ? __lock_acquire+0x62f/0x4c20
[  261.281321]  ? __lock_acquire+0x62f/0x4c20
[  261.285558]  ? rcu_note_context_switch+0x12ad/0x2150
[  261.290674]  ? print_usage_bug+0xc0/0xc0
[  261.294750]  ? mark_held_locks+0x130/0x130
[  261.298990]  ? zap_class+0x640/0x640
[  261.302710]  ? print_usage_bug+0xc0/0xc0
[  261.306767]  ? put_dec+0x3b/0xf0
[  261.310153]  ? rb_next+0x140/0x140
[  261.313702]  ? __lock_acquire+0x62f/0x4c20
[  261.317937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.323475]  ? check_preemption_disabled+0x48/0x280
[  261.328508]  ? print_usage_bug+0xc0/0xc0
[  261.332577]  ? rb_erase_cached+0xc78/0x3720
[  261.336918]  ? rb_next+0x140/0x140
[  261.340486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.346023]  ? __isolate_lru_page+0xd05/0x1540
[  261.350629]  ? print_usage_bug+0xc0/0xc0
[  261.354694]  ? mark_held_locks+0x130/0x130
[  261.358934]  ? zap_class+0x640/0x640
[  261.362651]  ? update_load_avg+0x13b8/0x2470
[  261.367070]  ? print_usage_bug+0xc0/0xc0
[  261.371134]  ? zap_class+0x640/0x640
[  261.374858]  ? __lock_acquire+0x62f/0x4c20
[  261.379097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.384638]  ? check_preemption_disabled+0x48/0x280
[  261.389660]  ? __update_load_avg_blocked_se+0x690/0x690
[  261.395029]  ? __update_load_avg_se+0xae0/0xae0
[  261.399701]  ? zap_class+0x640/0x640
[  261.403425]  ? update_load_avg+0x387/0x2470
[  261.407757]  ? attach_entity_load_avg+0x860/0x860
[  261.412615]  ? update_load_avg+0x387/0x2470
[  261.416946]  ? attach_entity_load_avg+0x860/0x860
[  261.421795]  ? attach_entity_load_avg+0x860/0x860
[  261.426650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.432191]  ? __isolate_lru_page+0xd05/0x1540
[  261.436801]  ? putback_lru_page+0x280/0x280
[  261.441126]  ? rb_erase+0x3710/0x3710
[  261.444939]  ? mark_held_locks+0x130/0x130
[  261.449183]  ? cpuacct_charge+0x265/0x440
[  261.453336]  ? find_held_lock+0x36/0x1c0
[  261.457412]  ? zap_class+0x640/0x640
[  261.461134]  ? print_usage_bug+0xc0/0xc0
[  261.465197]  ? zap_class+0x640/0x640
[  261.468912]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.473843]  ? kasan_check_read+0x11/0x20
[  261.478000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.483282]  ? zap_class+0x640/0x640
[  261.487016]  ? __lock_is_held+0xb5/0x140
[  261.491088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.496630]  ? check_preemption_disabled+0x48/0x280
[  261.501657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.507197]  ? check_preemption_disabled+0x48/0x280
[  261.512211]  ? __lock_is_held+0xb5/0x140
[  261.516278]  ? __this_cpu_preempt_check+0x1c/0x20
[  261.521124]  ? __mod_zone_page_state+0x8a/0xf0
[  261.525719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.531261]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  261.536475]  ? __isolate_lru_page+0x1540/0x1540
[  261.541165]  ? zap_class+0x640/0x640
[  261.544887]  ? print_usage_bug+0xc0/0xc0
[  261.548951]  ? __account_cfs_rq_runtime+0x790/0x790
[  261.553975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.559517]  ? find_held_lock+0x36/0x1c0
[  261.563582]  ? zap_class+0x640/0x640
[  261.567309]  ? print_usage_bug+0xc0/0xc0
[  261.571371]  ? mark_held_locks+0xc7/0x130
[  261.575524]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.580031]  ? zap_class+0x640/0x640
[  261.583748]  ? print_usage_bug+0xc0/0xc0
[  261.587814]  ? mark_held_locks+0xc7/0x130
[  261.591974]  ? find_held_lock+0x36/0x1c0
[  261.596047]  ? mark_held_locks+0xc7/0x130
[  261.600199]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.604698]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.609212]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.613804]  ? trace_hardirqs_on+0xbd/0x310
[  261.618130]  ? kasan_check_read+0x11/0x20
[  261.622285]  ? shrink_inactive_list+0x741/0x1c60
[  261.627045]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.632151]  ? trace_hardirqs_on+0x310/0x310
[  261.636647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.642193]  ? check_preemption_disabled+0x48/0x280
[  261.647223]  shrink_inactive_list+0x77b/0x1c60
[  261.651835]  ? putback_inactive_pages+0x27e0/0x27e0
[  261.656868]  ? kasan_check_read+0x11/0x20
[  261.661026]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  261.666305]  ? __rcu_read_unlock+0x2d6/0x2e0
[  261.670721]  ? blk_lld_busy+0x70/0x70
[  261.674528]  ? kasan_check_read+0x11/0x20
[  261.678696]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  261.683643]  shrink_node_memcg+0x78b/0x18f0
[  261.687984]  ? shrink_active_list+0x1f00/0x1f00
[  261.692663]  ? lock_downgrade+0x900/0x900
[  261.696814]  ? check_flush_dependency+0x410/0x410
[  261.701674]  ? kasan_check_read+0x11/0x20
[  261.705825]  ? do_raw_spin_unlock+0xa7/0x330
[  261.710251]  ? ___preempt_schedule+0x16/0x18
[  261.714669]  ? _raw_spin_unlock+0x3f/0x50
[  261.718831]  shrink_node+0x3bc/0x16b0
[  261.722639]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  261.727947]  ? shrink_node_memcg+0x18f0/0x18f0
[  261.732548]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.737136]  ? trace_hardirqs_on+0xbd/0x310
[  261.741462]  ? vmpressure+0x271/0x340
[  261.745271]  ? do_raw_spin_trylock+0x270/0x270
[  261.749866]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.755405]  ? __cpuset_node_allowed+0x19b/0x660
[  261.760169]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  261.765886]  ? vmpressure+0x1a2/0x340
[  261.769845]  do_try_to_free_pages+0x3e7/0x1290
[  261.774438]  ? zap_class+0x640/0x640
[  261.778168]  ? shrink_node+0x16b0/0x16b0
[  261.782232]  ? __lock_is_held+0xb5/0x140
[  261.786311]  try_to_free_pages+0x4d0/0xb90
[  261.790555]  ? do_try_to_free_pages+0x1290/0x1290
[  261.795418]  ? lock_acquire+0x1ed/0x520
[  261.799395]  ? set_page_refcounted+0x280/0x280
[  261.803990]  ? lock_release+0xa00/0xa00
[  261.808208]  ? _raw_spin_unlock_irq+0x60/0x80
[  261.812705]  ? psi_memstall_enter+0x240/0x2b0
[  261.817204]  ? psi_memstall_tick+0x230/0x230
[  261.821634]  __alloc_pages_slowpath+0xa14/0x2e10
[  261.826436]  ? warn_alloc+0x120/0x120
[  261.830236]  ? mark_held_locks+0x130/0x130
[  261.834479]  ? find_get_entry+0xaae/0x1120
[  261.838724]  ? filemap_map_pages+0x1a20/0x1a20
[  261.843312]  ? zap_class+0x640/0x640
[  261.847036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.852583]  ? check_preemption_disabled+0x48/0x280
[  261.857626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.863169]  ? should_fail+0x22d/0xd01
[  261.867067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.872175]  ? zap_class+0x640/0x640
[  261.875919]  ? __lock_is_held+0xb5/0x140
[  261.879992]  ? mark_held_locks+0x130/0x130
[  261.884238]  ? lock_release+0xa00/0xa00
[  261.888217]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.893667]  ? xa_load+0x2ba/0x460
[  261.897212]  ? lock_downgrade+0x900/0x900
[  261.901373]  ? __might_sleep+0x95/0x190
[  261.905358]  __alloc_pages_nodemask+0xa80/0xde0
[  261.910036]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.915056]  ? __page_cache_alloc+0x191/0x5c0
[  261.919554]  ? xa_load+0x2e1/0x460
[  261.923106]  ? xa_clear_mark+0x40/0x40
[  261.926997]  ? zap_class+0x640/0x640
[  261.930723]  ? zap_class+0x640/0x640
[  261.934440]  ? zap_class+0x640/0x640
[  261.938160]  ? __do_page_cache_readahead+0x663/0x810
[  261.943273]  ? find_held_lock+0x36/0x1c0
[  261.947341]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  261.952891]  alloc_pages_current+0x173/0x350
[  261.957313]  __page_cache_alloc+0x38c/0x5c0
[  261.961640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.966597]  ? kasan_check_read+0x11/0x20
[  261.970753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.976036]  ? generic_perform_write+0x6a0/0x6a0
[  261.980800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.986343]  ? check_preemption_disabled+0x48/0x280
[  261.991373]  filemap_fault+0x1595/0x25f0
[  261.995456]  ? __lock_page_or_retry+0xa00/0xa00
[  262.000131]  ? mark_held_locks+0x130/0x130
[  262.004383]  ? filemap_map_pages+0xd6b/0x1a20
[  262.008889]  ? lock_downgrade+0x900/0x900
[  262.013040]  ? check_preemption_disabled+0x48/0x280
[  262.018065]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.023005]  ? kasan_check_read+0x11/0x20
[  262.027155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.032461]  ? rcu_softirq_qs+0x20/0x20
[  262.036449]  ? filemap_map_pages+0xd92/0x1a20
[  262.040961]  ? find_get_entries_tag+0x1400/0x1400
[  262.045812]  ? debug_object_destroy+0x2b0/0x2b0
[  262.050489]  ? lock_pi_update_atomic+0x150/0x150
[  262.055250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.060802]  ? lock_acquire+0x1ed/0x520
[  262.064779]  ? ext4_filemap_fault+0x7a/0xad
[  262.069111]  ? lock_release+0xa00/0xa00
[  262.073086]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.078540]  ? print_usage_bug+0xc0/0xc0
[  262.082613]  ? print_usage_bug+0xc0/0xc0
[  262.086694]  ? down_read+0x8d/0x120
[  262.090321]  ? ext4_filemap_fault+0x7a/0xad
[  262.094646]  ? __down_interruptible+0x700/0x700
[  262.099326]  ext4_filemap_fault+0x82/0xad
[  262.103481]  __do_fault+0x100/0x6b0
[  262.107110]  ? find_held_lock+0x36/0x1c0
[  262.111179]  ? pmd_devmap_trans_unstable+0x220/0x220
[  262.116293]  ? mark_held_locks+0x130/0x130
[  262.120535]  ? mark_held_locks+0x130/0x130
[  262.124777]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.129279]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.133779]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  262.138373]  ? kasan_check_read+0x11/0x20
[  262.142528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.148074]  __handle_mm_fault+0x3ea6/0x5be0
[  262.152499]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  262.157347]  ? finish_task_switch+0x1f4/0x910
[  262.161853]  ? finish_task_switch+0x1b4/0x910
[  262.166356]  ? __switch_to_asm+0x34/0x70
[  262.170425]  ? preempt_notifier_register+0x200/0x200
[  262.175530]  ? __switch_to_asm+0x34/0x70
[  262.179626]  ? __switch_to_asm+0x34/0x70
[  262.183707]  ? zap_class+0x640/0x640
[  262.187425]  ? zap_class+0x640/0x640
[  262.191143]  ? __x64_sys_futex+0x53e/0x6a0
[  262.195404]  ? find_held_lock+0x36/0x1c0
[  262.199483]  ? handle_mm_fault+0x42a/0xc70
[  262.203726]  ? lock_downgrade+0x900/0x900
[  262.207884]  ? check_preemption_disabled+0x48/0x280
[  262.212905]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.217839]  ? kasan_check_read+0x11/0x20
[  262.221993]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.227269]  ? rcu_softirq_qs+0x20/0x20
[  262.231249]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.236357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.241904]  ? check_preemption_disabled+0x48/0x280
[  262.246931]  handle_mm_fault+0x54f/0xc70
[  262.250997]  ? __handle_mm_fault+0x5be0/0x5be0
[  262.255582]  ? find_vma+0x34/0x190
[  262.259140]  __do_page_fault+0x5e8/0xe60
[  262.263201]  ? trace_hardirqs_off+0xb8/0x310
[  262.267627]  do_page_fault+0xf2/0x7e0
[  262.271435]  ? vmalloc_sync_all+0x30/0x30
[  262.275594]  ? error_entry+0x70/0xd0
[  262.279316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.284332]  ? trace_hardirqs_on_caller+0xc0/0x310
[  262.289263]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.294194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.299045]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.304066]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.309527]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.314549]  ? page_fault+0x8/0x30
[  262.318096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.322945]  ? page_fault+0x8/0x30
[  262.326492]  page_fault+0x1e/0x30
[  262.329949] RIP: 0033:0x40f9c0
[  262.333153] Code: Bad RIP value.
[  262.336519] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  262.341896] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  262.349168] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  262.356438] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  262.363709] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  262.370976] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  262.378273] warn_alloc_show_mem: 1 callbacks suppressed
[  262.378285] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  262.378286] Mem-Info:
[  262.378318] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  262.378318]  active_file:14 inactive_file:15 isolated_file:0
[  262.378318]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.378318]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  262.378318]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  262.378318]  free:13731 free_pcp:182 free_cma:0
[  262.383663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.390613] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.393017] Call Trace:
[  262.426071] 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
[  262.435443]  <IRQ>
[  262.463303] lowmem_reserve[]: 0 2818 6321 6321
[  262.465893]  dump_stack+0x244/0x39d
[  262.491987] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  262.494155]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.498699] lowmem_reserve[]: 0 0 3503 3503
[  262.502353]  warn_alloc.cold.116+0xb7/0x1bd
[  262.530085] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  262.535285]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.539578] lowmem_reserve[]: 0 0 0 0
[  262.543907]  ? lock_downgrade+0x900/0x900
[  262.572883] 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
[  262.577740]  ? trace_hardirqs_off+0xb8/0x310
[  262.581511] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  262.585666]  ? trace_hardirqs_off+0xb8/0x310
[  262.599165] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  262.603595]  __alloc_pages_slowpath+0x26e8/0x2e10
[  262.618752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  262.623184]  ? warn_alloc+0x120/0x120
[  262.638731] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  262.643574]  ? print_usage_bug+0xc0/0xc0
[  262.652381] 2704 total pagecache pages
[  262.656184]  ? warn_alloc+0x120/0x120
[  262.664739] 0 pages in swap cache
[  262.668789]  ? warn_alloc+0x120/0x120
[  262.672653] Swap cache stats: add 0, delete 0, find 0/0
[  262.676449]  ? print_usage_bug+0xc0/0xc0
[  262.679877] Free swap  = 0kB
[  262.683670]  ? kvm_clock_read+0x18/0x30
[  262.689009] Total swap = 0kB
[  262.693062]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  262.696059] 1965979 pages RAM
[  262.700030]  ? print_usage_bug+0xc0/0xc0
[  262.703024] 0 pages HighMem/MovableOnly
[  262.708032]  ? __lock_acquire+0x62f/0x4c20
[  262.711118] 342858 pages reserved
[  262.715175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.719124] 0 pages cma reserved
[  262.723357]  ? should_fail+0x22d/0xd01
[  262.726838] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.732303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.732323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.735771] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.739552]  ? __lock_acquire+0x62f/0x4c20
[  262.746026] syz-fuzzer cpuset=/ mems_allowed=0
[  262.751300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.780941]  ? __lock_acquire+0x62f/0x4c20
[  262.785185]  ? should_fail+0x22d/0xd01
[  262.789072]  ? rcu_irq_exit+0x1a2/0x390
[  262.793061]  ? mark_held_locks+0x130/0x130
[  262.797306]  ? mark_held_locks+0x130/0x130
[  262.801551]  ? mark_held_locks+0xc7/0x130
[  262.805709]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  262.810732]  ? zap_class+0x640/0x640
[  262.814452]  ? print_usage_bug+0xc0/0xc0
[  262.818521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.824068]  ? check_preemption_disabled+0x48/0x280
[  262.829102]  ? __lock_is_held+0xb5/0x140
[  262.833191]  __alloc_pages_nodemask+0xa80/0xde0
[  262.837862]  ? zap_class+0x640/0x640
[  262.841585]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.846631]  ? find_held_lock+0x36/0x1c0
[  262.850704]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.855383]  ? lock_downgrade+0x900/0x900
[  262.859540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.865087]  cache_grow_begin+0xa5/0x8c0
[  262.869154]  ? do_raw_spin_unlock+0xa7/0x330
[  262.873573]  fallback_alloc+0x204/0x2e0
[  262.877566]  ____cache_alloc_node+0x1c7/0x1e0
[  262.882077]  kmem_cache_alloc_node+0xe3/0x730
[  262.886578]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.890836]  __alloc_skb+0x119/0x770
[  262.894550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.899838]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.904250]  ? lock_downgrade+0x900/0x900
[  262.908409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.913955]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.919410]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.924864]  ? addrconf_rs_timer+0x690/0x690
[  262.929292]  ndisc_alloc_skb+0x144/0x340
[  262.933370]  ndisc_send_rs+0x331/0x6e0
[  262.937269]  addrconf_rs_timer+0x314/0x690
[  262.941511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.945759]  call_timer_fn+0x272/0x920
[  262.949646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.953884]  ? process_timeout+0x40/0x40
[  262.957966]  ? __run_timers+0x7da/0xc70
[  262.961951]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.966447]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.970945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.975182]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.979772]  ? trace_hardirqs_on+0xbd/0x310
[  262.984100]  ? kasan_check_read+0x11/0x20
[  262.988251]  ? __run_timers+0x7da/0xc70
[  262.992231]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.997341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.001600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.005839]  __run_timers+0x7e5/0xc70
[  263.009655]  ? timer_fixup_init+0x70/0x70
[  263.013808]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.018830]  ? zap_class+0x640/0x640
[  263.022559]  ? enqueue_hrtimer+0x1a5/0x560
[  263.026809]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.032011]  ? find_held_lock+0x36/0x1c0
[  263.036079]  ? zap_class+0x640/0x640
[  263.039803]  ? pvclock_read_flags+0x160/0x160
[  263.044303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.049846]  ? check_preemption_disabled+0x48/0x280
[  263.054875]  ? __lock_is_held+0xb5/0x140
[  263.058944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.064488]  ? check_preemption_disabled+0x48/0x280
[  263.069516]  run_timer_softirq+0x52/0xb0
[  263.073594]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.078620]  __do_softirq+0x308/0xb7e
[  263.082443]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.086938]  ? lock_downgrade+0x900/0x900
[  263.091090]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.096207]  ? pvclock_read_flags+0x160/0x160
[  263.100708]  ? lapic_next_event+0x5a/0x90
[  263.104860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.110407]  ? kvm_clock_read+0x18/0x30
[  263.114387]  ? kvm_sched_clock_read+0x9/0x20
[  263.118801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.124346]  ? check_preemption_disabled+0x48/0x280
[  263.129381]  irq_exit+0x17f/0x1c0
[  263.132848]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.137693]  ? smp_reschedule_interrupt+0x109/0x650
[  263.142717]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.148625]  ? interrupt_entry+0xb5/0xc0
[  263.152704]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.157723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.162745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.167601]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.172628]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.177648]  ? task_prio+0x50/0x50
[  263.181192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.186735]  ? check_preemption_disabled+0x48/0x280
[  263.191761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.196623]  apic_timer_interrupt+0xf/0x20
[  263.200855]  </IRQ>
[  263.203100] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  263.208035] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  263.226944] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  263.234659] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  263.241938] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  263.249210] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  263.256479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  263.263749] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  263.271069]  skb_clone+0x1bb/0x500
[  263.274626]  ? finish_task_switch+0x1b4/0x910
[  263.279124]  ? skb_split+0x11e0/0x11e0
[  263.283019]  ? preempt_notifier_register+0x200/0x200
[  263.288124]  ? __switch_to_asm+0x34/0x70
[  263.292185]  ? __switch_to_asm+0x34/0x70
[  263.296245]  ? __switch_to_asm+0x40/0x70
[  263.300310]  ? __switch_to_asm+0x34/0x70
[  263.304377]  ? __switch_to_asm+0x40/0x70
[  263.308439]  ? __switch_to_asm+0x34/0x70
[  263.312501]  ? __switch_to_asm+0x40/0x70
[  263.316562]  ? __switch_to_asm+0x34/0x70
[  263.320635]  ? __switch_to_asm+0x34/0x70
[  263.324695]  ? __switch_to_asm+0x40/0x70
[  263.328754]  ? __switch_to_asm+0x34/0x70
[  263.332825]  bpf_clone_redirect+0xb9/0x490
[  263.337068]  ? __schedule+0x8d7/0x21d0
[  263.340965]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  263.346607]  ? __sched_text_start+0x8/0x8
[  263.350764]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.355536]  ? find_held_lock+0x36/0x1c0
[  263.359620]  ? lock_acquire+0x1ed/0x520
[  263.363604]  ? bpf_test_run+0x3cb/0x780
[  263.367595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.373144]  ? check_preemption_disabled+0x48/0x280
[  263.378172]  ? kasan_check_read+0x11/0x20
[  263.382326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.387626]  ? rcu_softirq_qs+0x20/0x20
[  263.391611]  ? preempt_schedule+0x4d/0x60
[  263.395762]  ? ___preempt_schedule+0x16/0x18
[  263.400185]  ? bpf_test_run+0x25d/0x780
[  263.404175]  ? netlink_diag_dump+0x2a0/0x2a0
[  263.408605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.414157]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  263.418924]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  263.423774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.429315]  ? fput+0x130/0x1a0
[  263.432619]  ? __bpf_prog_get+0x9b/0x290
[  263.436688]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  263.441536]  ? bpf_prog_test_run+0x130/0x1a0
[  263.445957]  ? __x64_sys_bpf+0x3d8/0x520
[  263.450041]  ? bpf_prog_get+0x20/0x20
[  263.453864]  ? do_syscall_64+0x1b9/0x820
[  263.457931]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  263.463300]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.468237]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.473257]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.478283]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  263.484960]  ? __switch_to_asm+0x40/0x70
[  263.489025]  ? __switch_to_asm+0x34/0x70
[  263.493097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.497948]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  263.503332] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  263.503436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.509909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.509914] Call Trace:
[  263.509921]  <IRQ>
[  263.509938]  dump_stack+0x244/0x39d
[  263.509956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.509983]  warn_alloc.cold.116+0xb7/0x1bd
[  263.516538] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.525808]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.528368] syz-executor1 cpuset=syz1 mems_allowed=0
[  263.530518]  ? lock_downgrade+0x900/0x900
[  263.568154]  ? trace_hardirqs_off+0xb8/0x310
[  263.572576]  ? trace_hardirqs_off+0xb8/0x310
[  263.577004]  __alloc_pages_slowpath+0x26e8/0x2e10
[  263.581888]  ? warn_alloc+0x120/0x120
[  263.585696]  ? print_usage_bug+0xc0/0xc0
[  263.589762]  ? warn_alloc+0x120/0x120
[  263.593617]  ? warn_alloc+0x120/0x120
[  263.597427]  ? print_usage_bug+0xc0/0xc0
[  263.601521]  ? kvm_clock_read+0x18/0x30
[  263.605498]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.610518]  ? print_usage_bug+0xc0/0xc0
[  263.614596]  ? __lock_acquire+0x62f/0x4c20
[  263.618841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.624390]  ? should_fail+0x22d/0xd01
[  263.628277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.633563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.638912]  ? __lock_acquire+0x62f/0x4c20
[  263.643153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.648260]  ? __lock_acquire+0x62f/0x4c20
[  263.652493]  ? should_fail+0x22d/0xd01
[  263.656381]  ? rcu_irq_exit+0x1a2/0x390
[  263.660364]  ? mark_held_locks+0x130/0x130
[  263.664614]  ? mark_held_locks+0x130/0x130
[  263.668861]  ? mark_held_locks+0xc7/0x130
[  263.673013]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  263.678036]  ? zap_class+0x640/0x640
[  263.681755]  ? print_usage_bug+0xc0/0xc0
[  263.685826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.691375]  ? check_preemption_disabled+0x48/0x280
[  263.696402]  ? __lock_is_held+0xb5/0x140
[  263.700475]  __alloc_pages_nodemask+0xa80/0xde0
[  263.705149]  ? zap_class+0x640/0x640
[  263.708875]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.713909]  ? find_held_lock+0x36/0x1c0
[  263.717985]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.722660]  ? lock_downgrade+0x900/0x900
[  263.726821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.732373]  cache_grow_begin+0xa5/0x8c0
[  263.736442]  ? do_raw_spin_unlock+0xa7/0x330
[  263.740865]  fallback_alloc+0x204/0x2e0
[  263.744854]  ____cache_alloc_node+0x1c7/0x1e0
[  263.749361]  kmem_cache_alloc_node+0xe3/0x730
[  263.753861]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.758107]  __alloc_skb+0x119/0x770
[  263.761825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.767114]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.771711]  ? lock_downgrade+0x900/0x900
[  263.775881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.781420]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.786877]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.792329]  ? addrconf_rs_timer+0x690/0x690
[  263.796747]  ndisc_alloc_skb+0x144/0x340
[  263.800815]  ndisc_send_rs+0x331/0x6e0
[  263.804717]  addrconf_rs_timer+0x314/0x690
[  263.808960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.813206]  call_timer_fn+0x272/0x920
[  263.817097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.821332]  ? process_timeout+0x40/0x40
[  263.825404]  ? mark_held_locks+0xc7/0x130
[  263.829557]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.834062]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.838556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.842800]  ? lockdep_hardirqs_on+0x296/0x5b0
[  263.847388]  ? trace_hardirqs_on+0xbd/0x310
[  263.851712]  ? kasan_check_read+0x11/0x20
[  263.855865]  ? __run_timers+0x7da/0xc70
[  263.859841]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.864954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.869194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.873431]  __run_timers+0x7e5/0xc70
[  263.877242]  ? timer_fixup_init+0x70/0x70
[  263.881396]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.886416]  ? zap_class+0x640/0x640
[  263.890136]  ? print_usage_bug+0xc0/0xc0
[  263.894201]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.899594]  ? find_held_lock+0x36/0x1c0
[  263.903668]  ? zap_class+0x640/0x640
[  263.907399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.912940]  ? check_preemption_disabled+0x48/0x280
[  263.917972]  ? __lock_is_held+0xb5/0x140
[  263.922036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.927576]  ? check_preemption_disabled+0x48/0x280
[  263.932622]  run_timer_softirq+0x52/0xb0
[  263.936688]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.941708]  __do_softirq+0x308/0xb7e
[  263.945513]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.950010]  ? lock_downgrade+0x900/0x900
[  263.954165]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.959282]  ? pvclock_read_flags+0x160/0x160
[  263.963787]  ? lapic_next_event+0x5a/0x90
[  263.967940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.973484]  ? kvm_clock_read+0x18/0x30
[  263.977457]  ? kvm_sched_clock_read+0x9/0x20
[  263.981873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.987417]  ? check_preemption_disabled+0x48/0x280
[  263.992444]  irq_exit+0x17f/0x1c0
[  263.995905]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.000752]  ? smp_reschedule_interrupt+0x109/0x650
[  264.005771]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.011658]  ? interrupt_entry+0xb5/0xc0
[  264.015727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.020746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.025768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.030622]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.035645]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.040662]  ? task_prio+0x50/0x50
[  264.044213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.049756]  ? check_preemption_disabled+0x48/0x280
[  264.054780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.059635]  apic_timer_interrupt+0xf/0x20
[  264.063871]  </IRQ>
[  264.066116] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  264.072267] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  264.091170] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  264.098882] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  264.106149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  264.113417] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  264.120685] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  264.127954] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  264.135249]  ? unlock_page+0x25d/0x4c0
[  264.139151]  unlock_page+0x25d/0x4c0
[  264.142876]  ? wake_up_page_bit+0x6f0/0x6f0
[  264.147200]  ? shrink_page_list+0x7e68/0xccd0
[  264.151695]  ? shrink_page_list+0x7e68/0xccd0
[  264.156199]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.160790]  ? shrink_inactive_list+0x77b/0x1c60
[  264.165554]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.170670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.176216]  ? check_preemption_disabled+0x48/0x280
[  264.181237]  ? shrink_page_list+0x145c/0xccd0
[  264.185741]  shrink_page_list+0x3714/0xccd0
[  264.190090]  ? page_evictable+0x540/0x540
[  264.194416]  ? rb_erase_cached+0xc78/0x3720
[  264.198741]  ? rb_erase_cached+0xc78/0x3720
[  264.203069]  ? rb_next+0x140/0x140
[  264.206628]  ? rb_next+0x140/0x140
[  264.210180]  ? rb_next+0x140/0x140
[  264.213799]  ? zap_class+0x640/0x640
[  264.217513]  ? zap_class+0x640/0x640
[  264.221226]  ? zap_class+0x640/0x640
[  264.224944]  ? zap_class+0x640/0x640
[  264.228660]  ? __update_load_avg_se+0x5eb/0xae0
[  264.233333]  ? __update_load_avg_blocked_se+0x690/0x690
[  264.238704]  ? __update_load_avg_se+0xae0/0xae0
[  264.243371]  ? zap_class+0x640/0x640
[  264.247103]  ? update_load_avg+0x387/0x2470
[  264.251441]  ? attach_entity_load_avg+0x860/0x860
[  264.256295]  ? update_load_avg+0x387/0x2470
[  264.260630]  ? attach_entity_load_avg+0x860/0x860
[  264.265483]  ? attach_entity_load_avg+0x860/0x860
[  264.270337]  ? attach_entity_load_avg+0x860/0x860
[  264.275182]  ? rb_erase+0x3710/0x3710
[  264.278988]  ? rb_erase+0x3710/0x3710
[  264.282787]  ? rb_erase+0x3710/0x3710
[  264.286602]  ? rb_erase+0x3710/0x3710
[  264.290411]  ? rb_erase+0x3710/0x3710
[  264.294225]  ? __lock_acquire+0x62f/0x4c20
[  264.298472]  ? zap_class+0x640/0x640
[  264.302193]  ? print_usage_bug+0xc0/0xc0
[  264.306256]  ? zap_class+0x640/0x640
[  264.309972]  ? zap_class+0x640/0x640
[  264.313691]  ? print_usage_bug+0xc0/0xc0
[  264.317757]  ? print_usage_bug+0xc0/0xc0
[  264.321825]  ? zap_class+0x640/0x640
[  264.325559]  ? __lock_is_held+0xb5/0x140
[  264.329649]  ? print_usage_bug+0xc0/0xc0
[  264.333725]  ? __lock_acquire+0x62f/0x4c20
[  264.337972]  ? mark_held_locks+0x130/0x130
[  264.342213]  ? print_usage_bug+0xc0/0xc0
[  264.346287]  ? rb_erase_cached+0xc78/0x3720
[  264.350622]  ? rb_next+0x140/0x140
[  264.354169]  ? rb_next+0x140/0x140
[  264.357721]  ? __lock_acquire+0x62f/0x4c20
[  264.361962]  ? __lock_acquire+0x62f/0x4c20
[  264.366198]  ? rcu_note_context_switch+0x12ad/0x2150
[  264.371301]  ? print_usage_bug+0xc0/0xc0
[  264.375381]  ? mark_held_locks+0x130/0x130
[  264.379626]  ? zap_class+0x640/0x640
[  264.383346]  ? print_usage_bug+0xc0/0xc0
[  264.387411]  ? put_dec+0x3b/0xf0
[  264.390802]  ? rb_next+0x140/0x140
[  264.394380]  ? __lock_acquire+0x62f/0x4c20
[  264.398630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.404170]  ? check_preemption_disabled+0x48/0x280
[  264.409209]  ? print_usage_bug+0xc0/0xc0
[  264.413278]  ? rb_erase_cached+0xc78/0x3720
[  264.417616]  ? rb_next+0x140/0x140
[  264.421171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.426715]  ? __isolate_lru_page+0xd05/0x1540
[  264.431311]  ? print_usage_bug+0xc0/0xc0
[  264.435379]  ? mark_held_locks+0x130/0x130
[  264.439626]  ? zap_class+0x640/0x640
[  264.443342]  ? update_load_avg+0x13b8/0x2470
[  264.447762]  ? print_usage_bug+0xc0/0xc0
[  264.451829]  ? zap_class+0x640/0x640
[  264.455553]  ? __lock_acquire+0x62f/0x4c20
[  264.459804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.465349]  ? check_preemption_disabled+0x48/0x280
[  264.470375]  ? __update_load_avg_blocked_se+0x690/0x690
[  264.475746]  ? __update_load_avg_se+0xae0/0xae0
[  264.480417]  ? zap_class+0x640/0x640
[  264.484145]  ? update_load_avg+0x387/0x2470
[  264.488480]  ? attach_entity_load_avg+0x860/0x860
[  264.493330]  ? update_load_avg+0x387/0x2470
[  264.497656]  ? attach_entity_load_avg+0x860/0x860
[  264.502503]  ? attach_entity_load_avg+0x860/0x860
[  264.507356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.512897]  ? __isolate_lru_page+0xd05/0x1540
[  264.517486]  ? putback_lru_page+0x280/0x280
[  264.521815]  ? rb_erase+0x3710/0x3710
[  264.525635]  ? mark_held_locks+0x130/0x130
[  264.529879]  ? cpuacct_charge+0x265/0x440
[  264.534038]  ? find_held_lock+0x36/0x1c0
[  264.538113]  ? zap_class+0x640/0x640
[  264.541830]  ? print_usage_bug+0xc0/0xc0
[  264.545902]  ? zap_class+0x640/0x640
[  264.549621]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.554556]  ? kasan_check_read+0x11/0x20
[  264.558713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.563997]  ? zap_class+0x640/0x640
[  264.567716]  ? __lock_is_held+0xb5/0x140
[  264.571787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.577331]  ? check_preemption_disabled+0x48/0x280
[  264.582356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.587898]  ? check_preemption_disabled+0x48/0x280
[  264.592919]  ? __lock_is_held+0xb5/0x140
[  264.596994]  ? __this_cpu_preempt_check+0x1c/0x20
[  264.601840]  ? __mod_zone_page_state+0x8a/0xf0
[  264.606435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.611977]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  264.617197]  ? __isolate_lru_page+0x1540/0x1540
[  264.621888]  ? zap_class+0x640/0x640
[  264.625616]  ? print_usage_bug+0xc0/0xc0
[  264.629684]  ? __account_cfs_rq_runtime+0x790/0x790
[  264.634706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.640250]  ? find_held_lock+0x36/0x1c0
[  264.644321]  ? zap_class+0x640/0x640
[  264.648038]  ? print_usage_bug+0xc0/0xc0
[  264.652104]  ? mark_held_locks+0xc7/0x130
[  264.656257]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.660765]  ? zap_class+0x640/0x640
[  264.664483]  ? print_usage_bug+0xc0/0xc0
[  264.668552]  ? mark_held_locks+0xc7/0x130
[  264.672717]  ? find_held_lock+0x36/0x1c0
[  264.676790]  ? mark_held_locks+0xc7/0x130
[  264.680961]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.685462]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.689961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.694550]  ? trace_hardirqs_on+0xbd/0x310
[  264.698880]  ? kasan_check_read+0x11/0x20
[  264.703031]  ? shrink_inactive_list+0x741/0x1c60
[  264.707792]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.712901]  ? trace_hardirqs_on+0x310/0x310
[  264.717315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.722864]  ? check_preemption_disabled+0x48/0x280
[  264.727898]  shrink_inactive_list+0x77b/0x1c60
[  264.732500]  ? putback_inactive_pages+0x27e0/0x27e0
[  264.737528]  ? kasan_check_read+0x11/0x20
[  264.741682]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  264.746961]  ? __rcu_read_unlock+0x2d6/0x2e0
[  264.751374]  ? blk_lld_busy+0x70/0x70
[  264.755182]  ? kasan_check_read+0x11/0x20
[  264.759344]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  264.764290]  shrink_node_memcg+0x78b/0x18f0
[  264.768636]  ? shrink_active_list+0x1f00/0x1f00
[  264.773313]  ? lock_downgrade+0x900/0x900
[  264.777466]  ? check_flush_dependency+0x410/0x410
[  264.782321]  ? kasan_check_read+0x11/0x20
[  264.786488]  ? do_raw_spin_unlock+0xa7/0x330
[  264.790919]  ? ___preempt_schedule+0x16/0x18
[  264.795341]  ? _raw_spin_unlock+0x3f/0x50
[  264.799504]  shrink_node+0x3bc/0x16b0
[  264.803313]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  264.808632]  ? shrink_node_memcg+0x18f0/0x18f0
[  264.813218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.817804]  ? trace_hardirqs_on+0xbd/0x310
[  264.822129]  ? vmpressure+0x271/0x340
[  264.825939]  ? do_raw_spin_trylock+0x270/0x270
[  264.830533]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.836073]  ? __cpuset_node_allowed+0x19b/0x660
[  264.840836]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  264.846557]  ? vmpressure+0x1a2/0x340
[  264.850375]  do_try_to_free_pages+0x3e7/0x1290
[  264.854964]  ? zap_class+0x640/0x640
[  264.858697]  ? shrink_node+0x16b0/0x16b0
[  264.862765]  ? __lock_is_held+0xb5/0x140
[  264.866846]  try_to_free_pages+0x4d0/0xb90
[  264.871096]  ? do_try_to_free_pages+0x1290/0x1290
[  264.875955]  ? lock_acquire+0x1ed/0x520
[  264.879935]  ? set_page_refcounted+0x280/0x280
[  264.884525]  ? lock_release+0xa00/0xa00
[  264.888503]  ? _raw_spin_unlock_irq+0x60/0x80
[  264.893000]  ? psi_memstall_enter+0x240/0x2b0
[  264.897496]  ? psi_memstall_tick+0x230/0x230
[  264.901920]  __alloc_pages_slowpath+0xa14/0x2e10
[  264.906709]  ? warn_alloc+0x120/0x120
[  264.910508]  ? mark_held_locks+0x130/0x130
[  264.914750]  ? find_get_entry+0xaae/0x1120
[  264.918998]  ? filemap_map_pages+0x1a20/0x1a20
[  264.923597]  ? zap_class+0x640/0x640
[  264.927320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.932864]  ? check_preemption_disabled+0x48/0x280
[  264.937882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.943421]  ? should_fail+0x22d/0xd01
[  264.947315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.952424]  ? zap_class+0x640/0x640
[  264.956166]  ? __lock_is_held+0xb5/0x140
[  264.960241]  ? mark_held_locks+0x130/0x130
[  264.964480]  ? lock_release+0xa00/0xa00
[  264.968456]  ? perf_trace_sched_process_exec+0x860/0x860
[  264.973909]  ? xa_load+0x2ba/0x460
[  264.977452]  ? lock_downgrade+0x900/0x900
[  264.981614]  ? __might_sleep+0x95/0x190
[  264.985604]  __alloc_pages_nodemask+0xa80/0xde0
[  264.990287]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.995309]  ? __page_cache_alloc+0x191/0x5c0
[  264.999802]  ? xa_load+0x2e1/0x460
[  265.003347]  ? xa_clear_mark+0x40/0x40
[  265.007243]  ? zap_class+0x640/0x640
[  265.010971]  ? zap_class+0x640/0x640
[  265.014687]  ? zap_class+0x640/0x640
[  265.018406]  ? __do_page_cache_readahead+0x663/0x810
[  265.023518]  ? find_held_lock+0x36/0x1c0
[  265.027595]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  265.033145]  alloc_pages_current+0x173/0x350
[  265.037565]  __page_cache_alloc+0x38c/0x5c0
[  265.041901]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.046833]  ? kasan_check_read+0x11/0x20
[  265.050988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.056272]  ? generic_perform_write+0x6a0/0x6a0
[  265.061033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.066574]  ? check_preemption_disabled+0x48/0x280
[  265.071615]  filemap_fault+0x1595/0x25f0
[  265.075702]  ? __lock_page_or_retry+0xa00/0xa00
[  265.080379]  ? mark_held_locks+0x130/0x130
[  265.084632]  ? filemap_map_pages+0xd6b/0x1a20
[  265.089131]  ? lock_downgrade+0x900/0x900
[  265.093281]  ? check_preemption_disabled+0x48/0x280
[  265.098305]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.103240]  ? kasan_check_read+0x11/0x20
[  265.107391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.112673]  ? rcu_softirq_qs+0x20/0x20
[  265.116665]  ? filemap_map_pages+0xd92/0x1a20
[  265.121176]  ? find_get_entries_tag+0x1400/0x1400
[  265.126023]  ? debug_object_destroy+0x2b0/0x2b0
[  265.130698]  ? lock_pi_update_atomic+0x150/0x150
[  265.135455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.141023]  ? lock_acquire+0x1ed/0x520
[  265.145028]  ? ext4_filemap_fault+0x7a/0xad
[  265.149361]  ? lock_release+0xa00/0xa00
[  265.153337]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.158790]  ? print_usage_bug+0xc0/0xc0
[  265.162861]  ? print_usage_bug+0xc0/0xc0
[  265.166934]  ? down_read+0x8d/0x120
[  265.170565]  ? ext4_filemap_fault+0x7a/0xad
[  265.174897]  ? __down_interruptible+0x700/0x700
[  265.179576]  ext4_filemap_fault+0x82/0xad
[  265.183735]  __do_fault+0x100/0x6b0
[  265.187365]  ? find_held_lock+0x36/0x1c0
[  265.191436]  ? pmd_devmap_trans_unstable+0x220/0x220
[  265.196545]  ? mark_held_locks+0x130/0x130
[  265.200786]  ? mark_held_locks+0x130/0x130
[  265.205023]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.209522]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.214021]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.218616]  ? kasan_check_read+0x11/0x20
[  265.222772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.228322]  __handle_mm_fault+0x3ea6/0x5be0
[  265.232745]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  265.237599]  ? finish_task_switch+0x1f4/0x910
[  265.242096]  ? finish_task_switch+0x1b4/0x910
[  265.246605]  ? __switch_to_asm+0x34/0x70
[  265.250680]  ? preempt_notifier_register+0x200/0x200
[  265.255785]  ? __switch_to_asm+0x34/0x70
[  265.259857]  ? __switch_to_asm+0x34/0x70
[  265.263940]  ? zap_class+0x640/0x640
[  265.267660]  ? zap_class+0x640/0x640
[  265.271372]  ? __x64_sys_futex+0x53e/0x6a0
[  265.275617]  ? find_held_lock+0x36/0x1c0
[  265.279695]  ? handle_mm_fault+0x42a/0xc70
[  265.283938]  ? lock_downgrade+0x900/0x900
[  265.288086]  ? check_preemption_disabled+0x48/0x280
[  265.293110]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.298041]  ? kasan_check_read+0x11/0x20
[  265.302187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.307466]  ? rcu_softirq_qs+0x20/0x20
[  265.311443]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.316554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.322274]  ? check_preemption_disabled+0x48/0x280
[  265.327305]  handle_mm_fault+0x54f/0xc70
[  265.331375]  ? __handle_mm_fault+0x5be0/0x5be0
[  265.335961]  ? find_vma+0x34/0x190
[  265.339507]  __do_page_fault+0x5e8/0xe60
[  265.343573]  ? trace_hardirqs_off+0xb8/0x310
[  265.348004]  do_page_fault+0xf2/0x7e0
[  265.351808]  ? vmalloc_sync_all+0x30/0x30
[  265.355960]  ? error_entry+0x70/0xd0
[  265.359681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.364700]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.369631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.374561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.379414]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.384436]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.389896]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.394921]  ? page_fault+0x8/0x30
[  265.398469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.403318]  ? page_fault+0x8/0x30
[  265.406868]  page_fault+0x1e/0x30
[  265.410324] RIP: 0033:0x40f9c0
[  265.413527] Code: Bad RIP value.
[  265.416899] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  265.422260] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  265.429533] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  265.436804] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  265.444073] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  265.451341] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  265.458650] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  265.458656] warn_alloc_show_mem: 1 callbacks suppressed
[  265.458663] Mem-Info:
[  265.465583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.465600] Call Trace:
[  265.470975] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  265.470975]  active_file:14 inactive_file:15 isolated_file:0
[  265.470975]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.470975]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  265.470975]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  265.470975]  free:13731 free_pcp:182 free_cma:0
[  265.473346]  <IRQ>
[  265.482710] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  265.485295]  dump_stack+0x244/0x39d
[  265.518345] 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
[  265.520505]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.548326] lowmem_reserve[]: 0 2818 6321 6321
[  265.551967]  warn_alloc.cold.116+0xb7/0x1bd
[  265.578048] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  265.583240]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.587799] lowmem_reserve[]: 0 0 3503 3503
[  265.592120]  ? lock_downgrade+0x900/0x900
[  265.619856] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  265.624700]  ? trace_hardirqs_off+0xb8/0x310
[  265.628988] lowmem_reserve[]: 0 0 0 0
[  265.633135]  ? trace_hardirqs_off+0xb8/0x310
[  265.662342] 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
[  265.666770]  __alloc_pages_slowpath+0x26e8/0x2e10
[  265.670565] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  265.674996]  ? warn_alloc+0x120/0x120
[  265.688473] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  265.693340]  ? print_usage_bug+0xc0/0xc0
[  265.708494] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  265.712285]  ? warn_alloc+0x120/0x120
[  265.727618] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  265.731671]  ? warn_alloc+0x120/0x120
[  265.740482] 2704 total pagecache pages
[  265.744274]  ? print_usage_bug+0xc0/0xc0
[  265.752833] 0 pages in swap cache
[  265.756626]  ? kvm_clock_read+0x18/0x30
[  265.760490] Swap cache stats: add 0, delete 0, find 0/0
[  265.764544]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  265.768056] Free swap  = 0kB
[  265.768060] Total swap = 0kB
[  265.768065] 1965979 pages RAM
[  265.768068] 0 pages HighMem/MovableOnly
[  265.768071] 342858 pages reserved
[  265.768073] 0 pages cma reserved
[  265.768128] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.768176] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.768180] syz-fuzzer cpuset=/ mems_allowed=0
[  265.824585]  ? print_usage_bug+0xc0/0xc0
[  265.828661]  ? __lock_acquire+0x62f/0x4c20
[  265.832905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.838443]  ? should_fail+0x22d/0xd01
[  265.842328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.847618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.852723]  ? __lock_acquire+0x62f/0x4c20
[  265.856963]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.862065]  ? __lock_acquire+0x62f/0x4c20
[  265.866298]  ? should_fail+0x22d/0xd01
[  265.870185]  ? rcu_irq_exit+0x1a2/0x390
[  265.874172]  ? mark_held_locks+0x130/0x130
[  265.878444]  ? mark_held_locks+0x130/0x130
[  265.882686]  ? mark_held_locks+0xc7/0x130
[  265.886838]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  265.891856]  ? zap_class+0x640/0x640
[  265.895571]  ? print_usage_bug+0xc0/0xc0
[  265.899645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.905202]  ? check_preemption_disabled+0x48/0x280
[  265.910229]  ? __lock_is_held+0xb5/0x140
[  265.914300]  __alloc_pages_nodemask+0xa80/0xde0
[  265.918993]  ? zap_class+0x640/0x640
[  265.922716]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.927744]  ? find_held_lock+0x36/0x1c0
[  265.931816]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.936487]  ? lock_downgrade+0x900/0x900
[  265.940648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.946195]  cache_grow_begin+0xa5/0x8c0
[  265.950261]  ? do_raw_spin_unlock+0xa7/0x330
[  265.954677]  fallback_alloc+0x204/0x2e0
[  265.958663]  ____cache_alloc_node+0x1c7/0x1e0
[  265.963169]  kmem_cache_alloc_node+0xe3/0x730
[  265.967667]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.971912]  __alloc_skb+0x119/0x770
[  265.975630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.980916]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.985324]  ? lock_downgrade+0x900/0x900
[  265.989490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.995031]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.000485]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.005939]  ? addrconf_rs_timer+0x690/0x690
[  266.010365]  ndisc_alloc_skb+0x144/0x340
[  266.014462]  ndisc_send_rs+0x331/0x6e0
[  266.018391]  addrconf_rs_timer+0x314/0x690
[  266.022651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.026896]  call_timer_fn+0x272/0x920
[  266.030782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.035022]  ? process_timeout+0x40/0x40
[  266.039091]  ? __run_timers+0x7da/0xc70
[  266.043075]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.047576]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.052081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.056321]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.060913]  ? trace_hardirqs_on+0xbd/0x310
[  266.065237]  ? kasan_check_read+0x11/0x20
[  266.069384]  ? __run_timers+0x7da/0xc70
[  266.073364]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.078476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.082718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.086951]  __run_timers+0x7e5/0xc70
[  266.090766]  ? timer_fixup_init+0x70/0x70
[  266.094922]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.099945]  ? zap_class+0x640/0x640
[  266.103664]  ? enqueue_hrtimer+0x1a5/0x560
[  266.107904]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.113105]  ? find_held_lock+0x36/0x1c0
[  266.117173]  ? zap_class+0x640/0x640
[  266.120895]  ? pvclock_read_flags+0x160/0x160
[  266.125393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.130950]  ? check_preemption_disabled+0x48/0x280
[  266.135978]  ? __lock_is_held+0xb5/0x140
[  266.140045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.145585]  ? check_preemption_disabled+0x48/0x280
[  266.150621]  run_timer_softirq+0x52/0xb0
[  266.154686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.159708]  __do_softirq+0x308/0xb7e
[  266.163516]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  266.168010]  ? lock_downgrade+0x900/0x900
[  266.172162]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.177273]  ? pvclock_read_flags+0x160/0x160
[  266.181772]  ? lapic_next_event+0x5a/0x90
[  266.185928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.191475]  ? kvm_clock_read+0x18/0x30
[  266.195452]  ? kvm_sched_clock_read+0x9/0x20
[  266.199867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.205412]  ? check_preemption_disabled+0x48/0x280
[  266.210442]  irq_exit+0x17f/0x1c0
[  266.213901]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.218796]  ? smp_reschedule_interrupt+0x109/0x650
[  266.223823]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.229709]  ? interrupt_entry+0xb5/0xc0
[  266.233775]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.238878]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.243896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.248742]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.253764]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.258780]  ? task_prio+0x50/0x50
[  266.262329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.267884]  ? check_preemption_disabled+0x48/0x280
[  266.272910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.277766]  apic_timer_interrupt+0xf/0x20
[  266.281993]  </IRQ>
[  266.284239] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  266.289168] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  266.308067] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  266.315776] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  266.323046] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  266.330314] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  266.337582] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  266.344859] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  266.352173]  skb_clone+0x1bb/0x500
[  266.355718]  ? finish_task_switch+0x1b4/0x910
[  266.360217]  ? skb_split+0x11e0/0x11e0
[  266.364112]  ? preempt_notifier_register+0x200/0x200
[  266.369215]  ? __switch_to_asm+0x34/0x70
[  266.373280]  ? __switch_to_asm+0x34/0x70
[  266.377345]  ? __switch_to_asm+0x40/0x70
[  266.381415]  ? __switch_to_asm+0x34/0x70
[  266.385480]  ? __switch_to_asm+0x40/0x70
[  266.389542]  ? __switch_to_asm+0x34/0x70
[  266.393611]  ? __switch_to_asm+0x40/0x70
[  266.397675]  ? __switch_to_asm+0x34/0x70
[  266.401740]  ? __switch_to_asm+0x34/0x70
[  266.405801]  ? __switch_to_asm+0x40/0x70
[  266.409867]  ? __switch_to_asm+0x34/0x70
[  266.413937]  bpf_clone_redirect+0xb9/0x490
[  266.418174]  ? __schedule+0x8d7/0x21d0
[  266.422071]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  266.427091]  ? __sched_text_start+0x8/0x8
[  266.431242]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.436017]  ? find_held_lock+0x36/0x1c0
[  266.440089]  ? lock_acquire+0x1ed/0x520
[  266.444063]  ? bpf_test_run+0x3cb/0x780
[  266.448041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.453579]  ? check_preemption_disabled+0x48/0x280
[  266.458624]  ? kasan_check_read+0x11/0x20
[  266.462777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.468057]  ? rcu_softirq_qs+0x20/0x20
[  266.472038]  ? preempt_schedule+0x4d/0x60
[  266.476191]  ? ___preempt_schedule+0x16/0x18
[  266.480619]  ? bpf_test_run+0x25d/0x780
[  266.484616]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.489035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.494582]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  266.499363]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.504209]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.509751]  ? fput+0x130/0x1a0
[  266.513038]  ? __bpf_prog_get+0x9b/0x290
[  266.517106]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.521948]  ? bpf_prog_test_run+0x130/0x1a0
[  266.526368]  ? __x64_sys_bpf+0x3d8/0x520
[  266.530436]  ? bpf_prog_get+0x20/0x20
[  266.534261]  ? do_syscall_64+0x1b9/0x820
[  266.538330]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.543710]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.548651]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.553671]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.558782]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  266.565452]  ? __switch_to_asm+0x40/0x70
[  266.569518]  ? __switch_to_asm+0x34/0x70
[  266.573599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.578455]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.583841] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  266.583921] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.590430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.590435] Call Trace:
[  266.590442]  <IRQ>
[  266.590459]  dump_stack+0x244/0x39d
[  266.590478]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.597044] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.606320]  warn_alloc.cold.116+0xb7/0x1bd
[  266.608875] syz-executor1 cpuset=syz1 mems_allowed=0
[  266.611021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.644786]  ? lock_downgrade+0x900/0x900
[  266.648951]  ? trace_hardirqs_off+0xb8/0x310
[  266.653365]  ? trace_hardirqs_off+0xb8/0x310
[  266.657786]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.662665]  ? warn_alloc+0x120/0x120
[  266.666470]  ? print_usage_bug+0xc0/0xc0
[  266.670534]  ? warn_alloc+0x120/0x120
[  266.674342]  ? warn_alloc+0x120/0x120
[  266.678152]  ? print_usage_bug+0xc0/0xc0
[  266.682222]  ? enqueue_hrtimer+0x1a5/0x560
[  266.686465]  ? print_usage_bug+0xc0/0xc0
[  266.690534]  ? __lock_acquire+0x62f/0x4c20
[  266.694771]  ? __lock_acquire+0x62f/0x4c20
[  266.699016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.704554]  ? should_fail+0x22d/0xd01
[  266.708457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.713566]  ? __lock_acquire+0x62f/0x4c20
[  266.717815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.722926]  ? __lock_acquire+0x62f/0x4c20
[  266.727161]  ? should_fail+0x22d/0xd01
[  266.731060]  ? mark_held_locks+0x130/0x130
[  266.735301]  ? mark_held_locks+0x130/0x130
[  266.739545]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  266.744566]  ? ktime_get+0x2c1/0x400
[  266.748292]  ? zap_class+0x640/0x640
[  266.752011]  ? print_usage_bug+0xc0/0xc0
[  266.756076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.761621]  ? check_preemption_disabled+0x48/0x280
[  266.766652]  ? __lock_is_held+0xb5/0x140
[  266.770725]  __alloc_pages_nodemask+0xa80/0xde0
[  266.775395]  ? zap_class+0x640/0x640
[  266.779117]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  266.784145]  ? find_held_lock+0x36/0x1c0
[  266.788218]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.792891]  ? lock_downgrade+0x900/0x900
[  266.797048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.802605]  cache_grow_begin+0xa5/0x8c0
[  266.806676]  ? do_raw_spin_unlock+0xa7/0x330
[  266.811098]  fallback_alloc+0x204/0x2e0
[  266.815083]  ____cache_alloc_node+0x1c7/0x1e0
[  266.819598]  kmem_cache_alloc_node+0xe3/0x730
[  266.824099]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.828346]  __alloc_skb+0x119/0x770
[  266.832063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.837348]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.841758]  ? lock_downgrade+0x900/0x900
[  266.845920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.851456]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.856910]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.862362]  ? addrconf_rs_timer+0x690/0x690
[  266.866787]  ndisc_alloc_skb+0x144/0x340
[  266.870867]  ndisc_send_rs+0x331/0x6e0
[  266.874764]  addrconf_rs_timer+0x314/0x690
[  266.879007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.883259]  call_timer_fn+0x272/0x920
[  266.887152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.891391]  ? process_timeout+0x40/0x40
[  266.895464]  ? mark_held_locks+0xc7/0x130
[  266.899623]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.904119]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.908618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.912861]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.917451]  ? trace_hardirqs_on+0xbd/0x310
[  266.921778]  ? kasan_check_read+0x11/0x20
[  266.925930]  ? __run_timers+0x7da/0xc70
[  266.929911]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.935025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.939270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.943506]  __run_timers+0x7e5/0xc70
[  266.947324]  ? timer_fixup_init+0x70/0x70
[  266.951475]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.956499]  ? zap_class+0x640/0x640
[  266.960222]  ? print_usage_bug+0xc0/0xc0
[  266.964289]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.969486]  ? find_held_lock+0x36/0x1c0
[  266.973552]  ? zap_class+0x640/0x640
[  266.977277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.982818]  ? check_preemption_disabled+0x48/0x280
[  266.987853]  ? __lock_is_held+0xb5/0x140
[  266.991922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.997459]  ? check_preemption_disabled+0x48/0x280
[  267.002498]  run_timer_softirq+0x52/0xb0
[  267.006564]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.011595]  __do_softirq+0x308/0xb7e
[  267.015409]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.019904]  ? lock_downgrade+0x900/0x900
[  267.024054]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.029168]  ? pvclock_read_flags+0x160/0x160
[  267.033665]  ? lapic_next_event+0x5a/0x90
[  267.037818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.043370]  ? kvm_clock_read+0x18/0x30
[  267.047346]  ? kvm_sched_clock_read+0x9/0x20
[  267.051758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.057297]  ? check_preemption_disabled+0x48/0x280
[  267.062324]  irq_exit+0x17f/0x1c0
[  267.065782]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.070632]  ? smp_reschedule_interrupt+0x109/0x650
[  267.075652]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.081568]  ? interrupt_entry+0xb5/0xc0
[  267.085641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.090657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.095676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.100525]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.105539]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.110557]  ? task_prio+0x50/0x50
[  267.114111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.119655]  ? check_preemption_disabled+0x48/0x280
[  267.124682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.129534]  apic_timer_interrupt+0xf/0x20
[  267.133761]  </IRQ>
[  267.135999] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  267.142145] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  267.161044] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  267.168752] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  267.176021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  267.183288] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  267.190556] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  267.197829] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  267.205124]  ? unlock_page+0x25d/0x4c0
[  267.209021]  unlock_page+0x25d/0x4c0
[  267.212743]  ? wake_up_page_bit+0x6f0/0x6f0
[  267.217068]  ? shrink_page_list+0x7e68/0xccd0
[  267.221568]  ? shrink_page_list+0x7e68/0xccd0
[  267.226072]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.230664]  ? shrink_inactive_list+0x77b/0x1c60
[  267.235425]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.240532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.246074]  ? check_preemption_disabled+0x48/0x280
[  267.251087]  ? shrink_page_list+0x145c/0xccd0
[  267.255600]  shrink_page_list+0x3714/0xccd0
[  267.259949]  ? page_evictable+0x540/0x540
[  267.264275]  ? rb_erase_cached+0xc78/0x3720
[  267.268610]  ? rb_erase_cached+0xc78/0x3720
[  267.272941]  ? rb_next+0x140/0x140
[  267.276487]  ? rb_next+0x140/0x140
[  267.280033]  ? rb_next+0x140/0x140
[  267.283661]  ? zap_class+0x640/0x640
[  267.287377]  ? zap_class+0x640/0x640
[  267.291092]  ? zap_class+0x640/0x640
[  267.294813]  ? zap_class+0x640/0x640
[  267.298525]  ? __update_load_avg_se+0x5eb/0xae0
[  267.303198]  ? __update_load_avg_blocked_se+0x690/0x690
[  267.308565]  ? __update_load_avg_se+0xae0/0xae0
[  267.313244]  ? zap_class+0x640/0x640
[  267.316968]  ? update_load_avg+0x387/0x2470
[  267.321303]  ? attach_entity_load_avg+0x860/0x860
[  267.326156]  ? update_load_avg+0x387/0x2470
[  267.330485]  ? attach_entity_load_avg+0x860/0x860
[  267.335335]  ? attach_entity_load_avg+0x860/0x860
[  267.340186]  ? attach_entity_load_avg+0x860/0x860
[  267.345035]  ? rb_erase+0x3710/0x3710
[  267.348837]  ? rb_erase+0x3710/0x3710
[  267.352646]  ? rb_erase+0x3710/0x3710
[  267.356448]  ? rb_erase+0x3710/0x3710
[  267.360260]  ? rb_erase+0x3710/0x3710
[  267.364069]  ? __lock_acquire+0x62f/0x4c20
[  267.368317]  ? zap_class+0x640/0x640
[  267.372033]  ? print_usage_bug+0xc0/0xc0
[  267.376100]  ? zap_class+0x640/0x640
[  267.379815]  ? zap_class+0x640/0x640
[  267.383535]  ? print_usage_bug+0xc0/0xc0
[  267.387610]  ? print_usage_bug+0xc0/0xc0
[  267.391673]  ? zap_class+0x640/0x640
[  267.395389]  ? __lock_is_held+0xb5/0x140
[  267.399462]  ? print_usage_bug+0xc0/0xc0
[  267.403533]  ? __lock_acquire+0x62f/0x4c20
[  267.407776]  ? mark_held_locks+0x130/0x130
[  267.412012]  ? print_usage_bug+0xc0/0xc0
[  267.416087]  ? rb_erase_cached+0xc78/0x3720
[  267.420417]  ? rb_next+0x140/0x140
[  267.423960]  ? rb_next+0x140/0x140
[  267.427510]  ? __lock_acquire+0x62f/0x4c20
[  267.431751]  ? __lock_acquire+0x62f/0x4c20
[  267.435989]  ? rcu_note_context_switch+0x12ad/0x2150
[  267.441092]  ? print_usage_bug+0xc0/0xc0
[  267.445166]  ? mark_held_locks+0x130/0x130
[  267.449405]  ? zap_class+0x640/0x640
[  267.453127]  ? print_usage_bug+0xc0/0xc0
[  267.457189]  ? put_dec+0x3b/0xf0
[  267.460579]  ? rb_next+0x140/0x140
[  267.464134]  ? __lock_acquire+0x62f/0x4c20
[  267.468369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.473911]  ? check_preemption_disabled+0x48/0x280
[  267.478947]  ? print_usage_bug+0xc0/0xc0
[  267.483017]  ? rb_erase_cached+0xc78/0x3720
[  267.487347]  ? rb_next+0x140/0x140
[  267.490903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.496441]  ? __isolate_lru_page+0xd05/0x1540
[  267.501036]  ? print_usage_bug+0xc0/0xc0
[  267.505102]  ? mark_held_locks+0x130/0x130
[  267.509337]  ? zap_class+0x640/0x640
[  267.513054]  ? update_load_avg+0x13b8/0x2470
[  267.517473]  ? print_usage_bug+0xc0/0xc0
[  267.521543]  ? zap_class+0x640/0x640
[  267.525258]  ? __lock_acquire+0x62f/0x4c20
[  267.529496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.535038]  ? check_preemption_disabled+0x48/0x280
[  267.540061]  ? __update_load_avg_blocked_se+0x690/0x690
[  267.545432]  ? __update_load_avg_se+0xae0/0xae0
[  267.550103]  ? zap_class+0x640/0x640
[  267.553828]  ? update_load_avg+0x387/0x2470
[  267.558163]  ? attach_entity_load_avg+0x860/0x860
[  267.563013]  ? update_load_avg+0x387/0x2470
[  267.567341]  ? attach_entity_load_avg+0x860/0x860
[  267.572190]  ? attach_entity_load_avg+0x860/0x860
[  267.577043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.582584]  ? __isolate_lru_page+0xd05/0x1540
[  267.587182]  ? putback_lru_page+0x280/0x280
[  267.591506]  ? rb_erase+0x3710/0x3710
[  267.595317]  ? mark_held_locks+0x130/0x130
[  267.599559]  ? cpuacct_charge+0x265/0x440
[  267.603725]  ? find_held_lock+0x36/0x1c0
[  267.607798]  ? zap_class+0x640/0x640
[  267.611522]  ? print_usage_bug+0xc0/0xc0
[  267.615586]  ? zap_class+0x640/0x640
[  267.619311]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.624240]  ? kasan_check_read+0x11/0x20
[  267.628390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.633672]  ? zap_class+0x640/0x640
[  267.637629]  ? __lock_is_held+0xb5/0x140
[  267.641699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.647239]  ? check_preemption_disabled+0x48/0x280
[  267.652266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.657803]  ? check_preemption_disabled+0x48/0x280
[  267.662819]  ? __lock_is_held+0xb5/0x140
[  267.666893]  ? __this_cpu_preempt_check+0x1c/0x20
[  267.671738]  ? __mod_zone_page_state+0x8a/0xf0
[  267.676332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.681878]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  267.687094]  ? __isolate_lru_page+0x1540/0x1540
[  267.691784]  ? zap_class+0x640/0x640
[  267.695501]  ? print_usage_bug+0xc0/0xc0
[  267.699563]  ? __account_cfs_rq_runtime+0x790/0x790
[  267.704601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.710144]  ? find_held_lock+0x36/0x1c0
[  267.714209]  ? zap_class+0x640/0x640
[  267.717928]  ? print_usage_bug+0xc0/0xc0
[  267.721991]  ? mark_held_locks+0xc7/0x130
[  267.726146]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.730654]  ? zap_class+0x640/0x640
[  267.734372]  ? print_usage_bug+0xc0/0xc0
[  267.738440]  ? mark_held_locks+0xc7/0x130
[  267.742603]  ? find_held_lock+0x36/0x1c0
[  267.746674]  ? mark_held_locks+0xc7/0x130
[  267.750826]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.755330]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.759830]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.764422]  ? trace_hardirqs_on+0xbd/0x310
[  267.768933]  ? kasan_check_read+0x11/0x20
[  267.773089]  ? shrink_inactive_list+0x741/0x1c60
[  267.777853]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.782958]  ? trace_hardirqs_on+0x310/0x310
[  267.787368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.792928]  ? check_preemption_disabled+0x48/0x280
[  267.797952]  shrink_inactive_list+0x77b/0x1c60
[  267.802549]  ? putback_inactive_pages+0x27e0/0x27e0
[  267.807584]  ? kasan_check_read+0x11/0x20
[  267.811744]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  267.817022]  ? __rcu_read_unlock+0x2d6/0x2e0
[  267.821436]  ? blk_lld_busy+0x70/0x70
[  267.825236]  ? kasan_check_read+0x11/0x20
[  267.829432]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  267.834372]  shrink_node_memcg+0x78b/0x18f0
[  267.838712]  ? shrink_active_list+0x1f00/0x1f00
[  267.843390]  ? lock_downgrade+0x900/0x900
[  267.847538]  ? check_flush_dependency+0x410/0x410
[  267.852390]  ? kasan_check_read+0x11/0x20
[  267.856537]  ? do_raw_spin_unlock+0xa7/0x330
[  267.860954]  ? ___preempt_schedule+0x16/0x18
[  267.865374]  ? _raw_spin_unlock+0x3f/0x50
[  267.869533]  shrink_node+0x3bc/0x16b0
[  267.873337]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  267.878645]  ? shrink_node_memcg+0x18f0/0x18f0
[  267.883227]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.887810]  ? trace_hardirqs_on+0xbd/0x310
[  267.892139]  ? vmpressure+0x271/0x340
[  267.895944]  ? do_raw_spin_trylock+0x270/0x270
[  267.900538]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.906081]  ? __cpuset_node_allowed+0x19b/0x660
[  267.910846]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  267.916567]  ? vmpressure+0x1a2/0x340
[  267.920386]  do_try_to_free_pages+0x3e7/0x1290
[  267.924971]  ? zap_class+0x640/0x640
[  267.928707]  ? shrink_node+0x16b0/0x16b0
[  267.932773]  ? __lock_is_held+0xb5/0x140
[  267.936856]  try_to_free_pages+0x4d0/0xb90
[  267.941099]  ? do_try_to_free_pages+0x1290/0x1290
[  267.945958]  ? lock_acquire+0x1ed/0x520
[  267.949935]  ? set_page_refcounted+0x280/0x280
[  267.954538]  ? lock_release+0xa00/0xa00
[  267.958515]  ? _raw_spin_unlock_irq+0x60/0x80
[  267.963015]  ? psi_memstall_enter+0x240/0x2b0
[  267.967512]  ? psi_memstall_tick+0x230/0x230
[  267.971933]  __alloc_pages_slowpath+0xa14/0x2e10
[  267.976720]  ? warn_alloc+0x120/0x120
[  267.980519]  ? mark_held_locks+0x130/0x130
[  267.984763]  ? find_get_entry+0xaae/0x1120
[  267.989007]  ? filemap_map_pages+0x1a20/0x1a20
[  267.993603]  ? zap_class+0x640/0x640
[  267.997342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.002884]  ? check_preemption_disabled+0x48/0x280
[  268.007903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.013440]  ? should_fail+0x22d/0xd01
[  268.017333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.022442]  ? zap_class+0x640/0x640
[  268.026182]  ? __lock_is_held+0xb5/0x140
[  268.030254]  ? mark_held_locks+0x130/0x130
[  268.034492]  ? lock_release+0xa00/0xa00
[  268.038467]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.043919]  ? xa_load+0x2ba/0x460
[  268.047467]  ? lock_downgrade+0x900/0x900
[  268.051634]  ? __might_sleep+0x95/0x190
[  268.055622]  __alloc_pages_nodemask+0xa80/0xde0
[  268.060300]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.065318]  ? __page_cache_alloc+0x191/0x5c0
[  268.069812]  ? xa_load+0x2e1/0x460
[  268.073357]  ? xa_clear_mark+0x40/0x40
[  268.077251]  ? zap_class+0x640/0x640
[  268.080974]  ? zap_class+0x640/0x640
[  268.084688]  ? zap_class+0x640/0x640
[  268.088405]  ? __do_page_cache_readahead+0x663/0x810
[  268.093516]  ? find_held_lock+0x36/0x1c0
[  268.097583]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  268.103142]  alloc_pages_current+0x173/0x350
[  268.107560]  __page_cache_alloc+0x38c/0x5c0
[  268.111892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.116824]  ? kasan_check_read+0x11/0x20
[  268.120983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.126263]  ? generic_perform_write+0x6a0/0x6a0
[  268.131021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.136563]  ? check_preemption_disabled+0x48/0x280
[  268.141607]  filemap_fault+0x1595/0x25f0
[  268.145687]  ? __lock_page_or_retry+0xa00/0xa00
[  268.150365]  ? mark_held_locks+0x130/0x130
[  268.154619]  ? filemap_map_pages+0xd6b/0x1a20
[  268.159125]  ? lock_downgrade+0x900/0x900
[  268.163275]  ? check_preemption_disabled+0x48/0x280
[  268.168298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.173232]  ? kasan_check_read+0x11/0x20
[  268.177384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.182661]  ? rcu_softirq_qs+0x20/0x20
[  268.186649]  ? filemap_map_pages+0xd92/0x1a20
[  268.191159]  ? find_get_entries_tag+0x1400/0x1400
[  268.196011]  ? debug_object_destroy+0x2b0/0x2b0
[  268.200688]  ? lock_pi_update_atomic+0x150/0x150
[  268.205445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.210997]  ? lock_acquire+0x1ed/0x520
[  268.214972]  ? ext4_filemap_fault+0x7a/0xad
[  268.219304]  ? lock_release+0xa00/0xa00
[  268.223278]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.228732]  ? print_usage_bug+0xc0/0xc0
[  268.232795]  ? print_usage_bug+0xc0/0xc0
[  268.236876]  ? down_read+0x8d/0x120
[  268.240503]  ? ext4_filemap_fault+0x7a/0xad
[  268.244826]  ? __down_interruptible+0x700/0x700
[  268.249510]  ext4_filemap_fault+0x82/0xad
[  268.253667]  __do_fault+0x100/0x6b0
[  268.257296]  ? find_held_lock+0x36/0x1c0
[  268.261366]  ? pmd_devmap_trans_unstable+0x220/0x220
[  268.266503]  ? mark_held_locks+0x130/0x130
[  268.270741]  ? mark_held_locks+0x130/0x130
[  268.274978]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.279490]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.283992]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.288579]  ? kasan_check_read+0x11/0x20
[  268.292743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.298288]  __handle_mm_fault+0x3ea6/0x5be0
[  268.302711]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  268.307559]  ? finish_task_switch+0x1f4/0x910
[  268.312062]  ? finish_task_switch+0x1b4/0x910
[  268.316564]  ? __switch_to_asm+0x34/0x70
[  268.320638]  ? preempt_notifier_register+0x200/0x200
[  268.325741]  ? __switch_to_asm+0x34/0x70
[  268.329805]  ? __switch_to_asm+0x34/0x70
[  268.333886]  ? zap_class+0x640/0x640
[  268.337607]  ? zap_class+0x640/0x640
[  268.341326]  ? __x64_sys_futex+0x53e/0x6a0
[  268.345571]  ? find_held_lock+0x36/0x1c0
[  268.349653]  ? handle_mm_fault+0x42a/0xc70
[  268.353890]  ? lock_downgrade+0x900/0x900
[  268.358043]  ? check_preemption_disabled+0x48/0x280
[  268.363065]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.367996]  ? kasan_check_read+0x11/0x20
[  268.372144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.377422]  ? rcu_softirq_qs+0x20/0x20
[  268.381399]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.386507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.392046]  ? check_preemption_disabled+0x48/0x280
[  268.397077]  handle_mm_fault+0x54f/0xc70
[  268.401143]  ? __handle_mm_fault+0x5be0/0x5be0
[  268.405730]  ? find_vma+0x34/0x190
[  268.409278]  __do_page_fault+0x5e8/0xe60
[  268.413338]  ? trace_hardirqs_off+0xb8/0x310
[  268.417756]  do_page_fault+0xf2/0x7e0
[  268.421565]  ? vmalloc_sync_all+0x30/0x30
[  268.425726]  ? error_entry+0x70/0xd0
[  268.429444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.434465]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.439397]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.444328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.449176]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.454194]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.459670]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.464694]  ? page_fault+0x8/0x30
[  268.468241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.473089]  ? page_fault+0x8/0x30
[  268.476633]  page_fault+0x1e/0x30
[  268.480083] RIP: 0033:0x40f9c0
[  268.483292] Code: Bad RIP value.
[  268.486654] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  268.492019] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  268.499286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  268.506570] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  268.513844] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  268.521117] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  268.528407] warn_alloc_show_mem: 1 callbacks suppressed
[  268.528419] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  268.528420] Mem-Info:
[  268.528452] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  268.528452]  active_file:14 inactive_file:15 isolated_file:0
[  268.528452]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.528452]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  268.528452]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  268.528452]  free:13731 free_pcp:182 free_cma:0
[  268.533793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.540723] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.543124] Call Trace:
[  268.576164] 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
[  268.585506]  <IRQ>
[  268.613419] lowmem_reserve[]: 0 2818 6321 6321
[  268.616002]  dump_stack+0x244/0x39d
[  268.642086] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  268.644236]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.648789] lowmem_reserve[]: 0 0 3503 3503
[  268.652422]  warn_alloc.cold.116+0xb7/0x1bd
[  268.680162] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  268.685345]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.689641] lowmem_reserve[]: 0 0 0 0
[  268.693974]  ? lock_downgrade+0x900/0x900
[  268.722929] 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
[  268.727775]  ? trace_hardirqs_off+0xb8/0x310
[  268.731544] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  268.735688]  ? trace_hardirqs_off+0xb8/0x310
[  268.749183] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  268.753600]  __alloc_pages_slowpath+0x26e8/0x2e10
[  268.768745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.773165]  ? warn_alloc+0x120/0x120
[  268.788489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.793322]  ? print_usage_bug+0xc0/0xc0
[  268.802133] 2704 total pagecache pages
[  268.805929]  ? warn_alloc+0x120/0x120
[  268.814488] 0 pages in swap cache
[  268.818533]  ? warn_alloc+0x120/0x120
[  268.822399] Swap cache stats: add 0, delete 0, find 0/0
[  268.826190]  ? print_usage_bug+0xc0/0xc0
[  268.829618] Free swap  = 0kB
[  268.833414]  ? kvm_clock_read+0x18/0x30
[  268.838751] Total swap = 0kB
[  268.842810]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  268.845802] 1965979 pages RAM
[  268.849772]  ? print_usage_bug+0xc0/0xc0
[  268.852768] 0 pages HighMem/MovableOnly
[  268.857779]  ? __lock_acquire+0x62f/0x4c20
[  268.860868] 342858 pages reserved
[  268.864926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.868879] 0 pages cma reserved
[  268.873111]  ? should_fail+0x22d/0xd01
[  268.876612] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.882064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.882082]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.885515] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.889309]  ? __lock_acquire+0x62f/0x4c20
[  268.895777] syz-fuzzer cpuset=/ mems_allowed=0
[  268.901049]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.930224]  ? __lock_acquire+0x62f/0x4c20
[  268.934459]  ? should_fail+0x22d/0xd01
[  268.938354]  ? rcu_irq_exit+0x1a2/0x390
[  268.942345]  ? mark_held_locks+0x130/0x130
[  268.946599]  ? mark_held_locks+0x130/0x130
[  268.950846]  ? mark_held_locks+0xc7/0x130
[  268.955001]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  268.960019]  ? zap_class+0x640/0x640
[  268.963736]  ? print_usage_bug+0xc0/0xc0
[  268.967804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.973343]  ? check_preemption_disabled+0x48/0x280
[  268.978380]  ? __lock_is_held+0xb5/0x140
[  268.982452]  __alloc_pages_nodemask+0xa80/0xde0
[  268.987123]  ? zap_class+0x640/0x640
[  268.990845]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.995873]  ? find_held_lock+0x36/0x1c0
[  268.999947]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.004628]  ? lock_downgrade+0x900/0x900
[  269.008789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.014332]  cache_grow_begin+0xa5/0x8c0
[  269.018413]  ? do_raw_spin_unlock+0xa7/0x330
[  269.022831]  fallback_alloc+0x204/0x2e0
[  269.026813]  ____cache_alloc_node+0x1c7/0x1e0
[  269.031318]  kmem_cache_alloc_node+0xe3/0x730
[  269.035818]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.040061]  __alloc_skb+0x119/0x770
[  269.043776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.049062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.053471]  ? lock_downgrade+0x900/0x900
[  269.057632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.063177]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.068632]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.074086]  ? addrconf_rs_timer+0x690/0x690
[  269.078511]  ndisc_alloc_skb+0x144/0x340
[  269.082582]  ndisc_send_rs+0x331/0x6e0
[  269.086488]  addrconf_rs_timer+0x314/0x690
[  269.090902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.095152]  call_timer_fn+0x272/0x920
[  269.099043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.103277]  ? process_timeout+0x40/0x40
[  269.107356]  ? __run_timers+0x7da/0xc70
[  269.111338]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.115837]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.120333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.124581]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.129180]  ? trace_hardirqs_on+0xbd/0x310
[  269.133508]  ? kasan_check_read+0x11/0x20
[  269.137658]  ? __run_timers+0x7da/0xc70
[  269.141640]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.146754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.150994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.155227]  __run_timers+0x7e5/0xc70
[  269.159042]  ? timer_fixup_init+0x70/0x70
[  269.163200]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.168220]  ? zap_class+0x640/0x640
[  269.171943]  ? enqueue_hrtimer+0x1a5/0x560
[  269.176183]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.181389]  ? find_held_lock+0x36/0x1c0
[  269.185459]  ? zap_class+0x640/0x640
[  269.189178]  ? pvclock_read_flags+0x160/0x160
[  269.193680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.199222]  ? check_preemption_disabled+0x48/0x280
[  269.204254]  ? __lock_is_held+0xb5/0x140
[  269.208318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.213864]  ? check_preemption_disabled+0x48/0x280
[  269.218894]  run_timer_softirq+0x52/0xb0
[  269.222959]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.227981]  __do_softirq+0x308/0xb7e
[  269.231792]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.236292]  ? lock_downgrade+0x900/0x900
[  269.240449]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.245564]  ? pvclock_read_flags+0x160/0x160
[  269.250069]  ? lapic_next_event+0x5a/0x90
[  269.254225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.259769]  ? kvm_clock_read+0x18/0x30
[  269.263748]  ? kvm_sched_clock_read+0x9/0x20
[  269.268160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.273702]  ? check_preemption_disabled+0x48/0x280
[  269.278742]  irq_exit+0x17f/0x1c0
[  269.282209]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.287058]  ? smp_reschedule_interrupt+0x109/0x650
[  269.292082]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.297968]  ? interrupt_entry+0xb5/0xc0
[  269.302035]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.307054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.312072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.316923]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.321941]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.326960]  ? task_prio+0x50/0x50
[  269.330503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.336049]  ? check_preemption_disabled+0x48/0x280
[  269.341077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.345937]  apic_timer_interrupt+0xf/0x20
[  269.350166]  </IRQ>
[  269.352409] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.357341] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  269.376257] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.383977] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.391252] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  269.398525] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  269.405793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.413061] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  269.420385]  skb_clone+0x1bb/0x500
[  269.423932]  ? finish_task_switch+0x1b4/0x910
[  269.428435]  ? skb_split+0x11e0/0x11e0
[  269.432328]  ? preempt_notifier_register+0x200/0x200
[  269.437441]  ? __switch_to_asm+0x34/0x70
[  269.441503]  ? __switch_to_asm+0x34/0x70
[  269.445565]  ? __switch_to_asm+0x40/0x70
[  269.449635]  ? __switch_to_asm+0x34/0x70
[  269.453696]  ? __switch_to_asm+0x40/0x70
[  269.457760]  ? __switch_to_asm+0x34/0x70
[  269.461820]  ? __switch_to_asm+0x40/0x70
[  269.465884]  ? __switch_to_asm+0x34/0x70
[  269.469950]  ? __switch_to_asm+0x34/0x70
[  269.474011]  ? __switch_to_asm+0x40/0x70
[  269.478072]  ? __switch_to_asm+0x34/0x70
[  269.482142]  bpf_clone_redirect+0xb9/0x490
[  269.486381]  ? __schedule+0x8d7/0x21d0
[  269.490275]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  269.495299]  ? __sched_text_start+0x8/0x8
[  269.499452]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.504224]  ? find_held_lock+0x36/0x1c0
[  269.508295]  ? lock_acquire+0x1ed/0x520
[  269.512273]  ? bpf_test_run+0x3cb/0x780
[  269.516253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.521794]  ? check_preemption_disabled+0x48/0x280
[  269.526819]  ? kasan_check_read+0x11/0x20
[  269.530967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.536249]  ? rcu_softirq_qs+0x20/0x20
[  269.540229]  ? preempt_schedule+0x4d/0x60
[  269.544388]  ? ___preempt_schedule+0x16/0x18
[  269.548806]  ? bpf_test_run+0x25d/0x780
[  269.552790]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.557203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.562747]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  269.567513]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.572364]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.577904]  ? fput+0x130/0x1a0
[  269.581187]  ? __bpf_prog_get+0x9b/0x290
[  269.585255]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.590098]  ? bpf_prog_test_run+0x130/0x1a0
[  269.594514]  ? __x64_sys_bpf+0x3d8/0x520
[  269.598579]  ? bpf_prog_get+0x20/0x20
[  269.602412]  ? do_syscall_64+0x1b9/0x820
[  269.606475]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.611842]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.616782]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.621800]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.626825]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  269.633493]  ? __switch_to_asm+0x40/0x70
[  269.637766]  ? __switch_to_asm+0x34/0x70
[  269.641836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.646689]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.652077] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  269.652147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.658660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.658665] Call Trace:
[  269.658672]  <IRQ>
[  269.658689]  dump_stack+0x244/0x39d
[  269.658708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.665274] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.674547]  warn_alloc.cold.116+0xb7/0x1bd
[  269.677099] syz-executor1 cpuset=syz1 mems_allowed=0
[  269.679242]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.712734]  ? lock_downgrade+0x900/0x900
[  269.716892]  ? trace_hardirqs_off+0xb8/0x310
[  269.721308]  ? trace_hardirqs_off+0xb8/0x310
[  269.725729]  __alloc_pages_slowpath+0x26e8/0x2e10
[  269.730611]  ? warn_alloc+0x120/0x120
[  269.734418]  ? print_usage_bug+0xc0/0xc0
[  269.738483]  ? warn_alloc+0x120/0x120
[  269.742295]  ? warn_alloc+0x120/0x120
[  269.746103]  ? print_usage_bug+0xc0/0xc0
[  269.750167]  ? kvm_clock_read+0x18/0x30
[  269.754148]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  269.759167]  ? print_usage_bug+0xc0/0xc0
[  269.763234]  ? __lock_acquire+0x62f/0x4c20
[  269.767474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.773215]  ? should_fail+0x22d/0xd01
[  269.777104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.782393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.787499]  ? __lock_acquire+0x62f/0x4c20
[  269.791745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.796863]  ? __lock_acquire+0x62f/0x4c20
[  269.801100]  ? should_fail+0x22d/0xd01
[  269.804985]  ? rcu_irq_exit+0x1a2/0x390
[  269.809214]  ? mark_held_locks+0x130/0x130
[  269.813456]  ? mark_held_locks+0x130/0x130
[  269.817698]  ? mark_held_locks+0xc7/0x130
[  269.821855]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  269.826878]  ? zap_class+0x640/0x640
[  269.830600]  ? print_usage_bug+0xc0/0xc0
[  269.834669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.840210]  ? check_preemption_disabled+0x48/0x280
[  269.845238]  ? __lock_is_held+0xb5/0x140
[  269.849308]  __alloc_pages_nodemask+0xa80/0xde0
[  269.853981]  ? zap_class+0x640/0x640
[  269.857701]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.862729]  ? find_held_lock+0x36/0x1c0
[  269.866802]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.871478]  ? lock_downgrade+0x900/0x900
[  269.875638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.881184]  cache_grow_begin+0xa5/0x8c0
[  269.885251]  ? do_raw_spin_unlock+0xa7/0x330
[  269.889700]  fallback_alloc+0x204/0x2e0
[  269.893682]  ____cache_alloc_node+0x1c7/0x1e0
[  269.898190]  kmem_cache_alloc_node+0xe3/0x730
[  269.902688]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.906932]  __alloc_skb+0x119/0x770
[  269.910647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.915933]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.920355]  ? lock_downgrade+0x900/0x900
[  269.924512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.930052]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.935507]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.940957]  ? addrconf_rs_timer+0x690/0x690
[  269.945378]  ndisc_alloc_skb+0x144/0x340
[  269.949466]  ndisc_send_rs+0x331/0x6e0
[  269.953362]  addrconf_rs_timer+0x314/0x690
[  269.957613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.961869]  call_timer_fn+0x272/0x920
[  269.965761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.970001]  ? process_timeout+0x40/0x40
[  269.974075]  ? mark_held_locks+0xc7/0x130
[  269.978233]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.982733]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.987228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.991467]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.996057]  ? trace_hardirqs_on+0xbd/0x310
[  270.000378]  ? kasan_check_read+0x11/0x20
[  270.004525]  ? __run_timers+0x7da/0xc70
[  270.008506]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.013621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.017870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.022104]  __run_timers+0x7e5/0xc70
[  270.025915]  ? timer_fixup_init+0x70/0x70
[  270.030067]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.035089]  ? zap_class+0x640/0x640
[  270.038810]  ? print_usage_bug+0xc0/0xc0
[  270.042881]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  270.048082]  ? find_held_lock+0x36/0x1c0
[  270.052151]  ? zap_class+0x640/0x640
[  270.055881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.061424]  ? check_preemption_disabled+0x48/0x280
[  270.066454]  ? __lock_is_held+0xb5/0x140
[  270.070525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.076067]  ? check_preemption_disabled+0x48/0x280
[  270.081092]  run_timer_softirq+0x52/0xb0
[  270.085156]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.090176]  __do_softirq+0x308/0xb7e
[  270.093983]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.098482]  ? lock_downgrade+0x900/0x900
[  270.102636]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.107753]  ? pvclock_read_flags+0x160/0x160
[  270.112277]  ? lapic_next_event+0x5a/0x90
[  270.116434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.121977]  ? kvm_clock_read+0x18/0x30
[  270.125952]  ? kvm_sched_clock_read+0x9/0x20
[  270.130364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.135908]  ? check_preemption_disabled+0x48/0x280
[  270.140941]  irq_exit+0x17f/0x1c0
[  270.144406]  smp_apic_timer_interrupt+0x1cb/0x760
[  270.149253]  ? smp_reschedule_interrupt+0x109/0x650
[  270.154277]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.160168]  ? interrupt_entry+0xb5/0xc0
[  270.164237]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.169260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.174281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.179126]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.184150]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.189169]  ? task_prio+0x50/0x50
[  270.192713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.198255]  ? check_preemption_disabled+0x48/0x280
[  270.203280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.208135]  apic_timer_interrupt+0xf/0x20
[  270.212383]  </IRQ>
[  270.214628] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  270.220777] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  270.239681] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  270.247390] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  270.254674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  270.261942] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  270.269213] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  270.276485] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  270.283776]  ? unlock_page+0x25d/0x4c0
[  270.287676]  unlock_page+0x25d/0x4c0
[  270.291396]  ? wake_up_page_bit+0x6f0/0x6f0
[  270.295726]  ? shrink_page_list+0x7e68/0xccd0
[  270.300224]  ? shrink_page_list+0x7e68/0xccd0
[  270.304723]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.309325]  ? shrink_inactive_list+0x77b/0x1c60
[  270.314105]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.319211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.324755]  ? check_preemption_disabled+0x48/0x280
[  270.329863]  ? shrink_page_list+0x145c/0xccd0
[  270.334370]  shrink_page_list+0x3714/0xccd0
[  270.338720]  ? page_evictable+0x540/0x540
[  270.343047]  ? rb_erase_cached+0xc78/0x3720
[  270.347371]  ? rb_erase_cached+0xc78/0x3720
[  270.351706]  ? rb_next+0x140/0x140
[  270.355257]  ? rb_next+0x140/0x140
[  270.358820]  ? rb_next+0x140/0x140
[  270.362442]  ? zap_class+0x640/0x640
[  270.366163]  ? zap_class+0x640/0x640
[  270.369878]  ? zap_class+0x640/0x640
[  270.373605]  ? zap_class+0x640/0x640
[  270.377326]  ? __update_load_avg_se+0x5eb/0xae0
[  270.382001]  ? __update_load_avg_blocked_se+0x690/0x690
[  270.387371]  ? __update_load_avg_se+0xae0/0xae0
[  270.392040]  ? zap_class+0x640/0x640
[  270.395766]  ? update_load_avg+0x387/0x2470
[  270.400101]  ? attach_entity_load_avg+0x860/0x860
[  270.404951]  ? update_load_avg+0x387/0x2470
[  270.409283]  ? attach_entity_load_avg+0x860/0x860
[  270.414133]  ? attach_entity_load_avg+0x860/0x860
[  270.418986]  ? attach_entity_load_avg+0x860/0x860
[  270.423832]  ? rb_erase+0x3710/0x3710
[  270.427645]  ? rb_erase+0x3710/0x3710
[  270.431450]  ? rb_erase+0x3710/0x3710
[  270.435258]  ? rb_erase+0x3710/0x3710
[  270.439069]  ? rb_erase+0x3710/0x3710
[  270.442883]  ? __lock_acquire+0x62f/0x4c20
[  270.447132]  ? zap_class+0x640/0x640
[  270.450859]  ? print_usage_bug+0xc0/0xc0
[  270.454922]  ? zap_class+0x640/0x640
[  270.458639]  ? zap_class+0x640/0x640
[  270.462360]  ? print_usage_bug+0xc0/0xc0
[  270.466427]  ? print_usage_bug+0xc0/0xc0
[  270.470491]  ? zap_class+0x640/0x640
[  270.474206]  ? __lock_is_held+0xb5/0x140
[  270.478280]  ? print_usage_bug+0xc0/0xc0
[  270.482358]  ? __lock_acquire+0x62f/0x4c20
[  270.486616]  ? mark_held_locks+0x130/0x130
[  270.490864]  ? print_usage_bug+0xc0/0xc0
[  270.494942]  ? rb_erase_cached+0xc78/0x3720
[  270.499276]  ? rb_next+0x140/0x140
[  270.502823]  ? rb_next+0x140/0x140
[  270.506378]  ? __lock_acquire+0x62f/0x4c20
[  270.510629]  ? __lock_acquire+0x62f/0x4c20
[  270.514875]  ? rcu_note_context_switch+0x12ad/0x2150
[  270.519982]  ? print_usage_bug+0xc0/0xc0
[  270.524070]  ? mark_held_locks+0x130/0x130
[  270.528315]  ? zap_class+0x640/0x640
[  270.532033]  ? print_usage_bug+0xc0/0xc0
[  270.536103]  ? put_dec+0x3b/0xf0
[  270.539492]  ? rb_next+0x140/0x140
[  270.543040]  ? __lock_acquire+0x62f/0x4c20
[  270.547281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.552833]  ? check_preemption_disabled+0x48/0x280
[  270.557890]  ? print_usage_bug+0xc0/0xc0
[  270.561964]  ? rb_erase_cached+0xc78/0x3720
[  270.566297]  ? rb_next+0x140/0x140
[  270.569863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.575406]  ? __isolate_lru_page+0xd05/0x1540
[  270.580010]  ? print_usage_bug+0xc0/0xc0
[  270.584079]  ? mark_held_locks+0x130/0x130
[  270.588322]  ? zap_class+0x640/0x640
[  270.592037]  ? update_load_avg+0x13b8/0x2470
[  270.596453]  ? print_usage_bug+0xc0/0xc0
[  270.600537]  ? zap_class+0x640/0x640
[  270.604252]  ? __lock_acquire+0x62f/0x4c20
[  270.608490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.614031]  ? check_preemption_disabled+0x48/0x280
[  270.619061]  ? __update_load_avg_blocked_se+0x690/0x690
[  270.624432]  ? __update_load_avg_se+0xae0/0xae0
[  270.629104]  ? zap_class+0x640/0x640
[  270.632828]  ? update_load_avg+0x387/0x2470
[  270.637344]  ? attach_entity_load_avg+0x860/0x860
[  270.642199]  ? update_load_avg+0x387/0x2470
[  270.646526]  ? attach_entity_load_avg+0x860/0x860
[  270.651372]  ? attach_entity_load_avg+0x860/0x860
[  270.656227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.661773]  ? __isolate_lru_page+0xd05/0x1540
[  270.666363]  ? putback_lru_page+0x280/0x280
[  270.670695]  ? rb_erase+0x3710/0x3710
[  270.674508]  ? mark_held_locks+0x130/0x130
[  270.678752]  ? cpuacct_charge+0x265/0x440
[  270.682913]  ? find_held_lock+0x36/0x1c0
[  270.686986]  ? zap_class+0x640/0x640
[  270.690705]  ? print_usage_bug+0xc0/0xc0
[  270.694770]  ? zap_class+0x640/0x640
[  270.698491]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.703427]  ? kasan_check_read+0x11/0x20
[  270.707580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.712883]  ? zap_class+0x640/0x640
[  270.716609]  ? __lock_is_held+0xb5/0x140
[  270.720683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.726231]  ? check_preemption_disabled+0x48/0x280
[  270.731267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.736817]  ? check_preemption_disabled+0x48/0x280
[  270.741847]  ? __lock_is_held+0xb5/0x140
[  270.745930]  ? __this_cpu_preempt_check+0x1c/0x20
[  270.750776]  ? __mod_zone_page_state+0x8a/0xf0
[  270.755370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.760916]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  270.766134]  ? __isolate_lru_page+0x1540/0x1540
[  270.770826]  ? zap_class+0x640/0x640
[  270.774558]  ? print_usage_bug+0xc0/0xc0
[  270.778637]  ? __account_cfs_rq_runtime+0x790/0x790
[  270.783664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.789216]  ? find_held_lock+0x36/0x1c0
[  270.793283]  ? zap_class+0x640/0x640
[  270.797003]  ? print_usage_bug+0xc0/0xc0
[  270.801073]  ? mark_held_locks+0xc7/0x130
[  270.805231]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.809748]  ? zap_class+0x640/0x640
[  270.813474]  ? print_usage_bug+0xc0/0xc0
[  270.817550]  ? mark_held_locks+0xc7/0x130
[  270.821708]  ? find_held_lock+0x36/0x1c0
[  270.825781]  ? mark_held_locks+0xc7/0x130
[  270.829939]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.834441]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.838942]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.843533]  ? trace_hardirqs_on+0xbd/0x310
[  270.847864]  ? kasan_check_read+0x11/0x20
[  270.852020]  ? shrink_inactive_list+0x741/0x1c60
[  270.856788]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.861897]  ? trace_hardirqs_on+0x310/0x310
[  270.866315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.871877]  ? check_preemption_disabled+0x48/0x280
[  270.876919]  shrink_inactive_list+0x77b/0x1c60
[  270.881603]  ? putback_inactive_pages+0x27e0/0x27e0
[  270.886644]  ? kasan_check_read+0x11/0x20
[  270.890810]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  270.896101]  ? __rcu_read_unlock+0x2d6/0x2e0
[  270.900525]  ? blk_lld_busy+0x70/0x70
[  270.904333]  ? kasan_check_read+0x11/0x20
[  270.908501]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  270.913454]  shrink_node_memcg+0x78b/0x18f0
[  270.917798]  ? shrink_active_list+0x1f00/0x1f00
[  270.922483]  ? lock_downgrade+0x900/0x900
[  270.926641]  ? check_flush_dependency+0x410/0x410
[  270.931502]  ? kasan_check_read+0x11/0x20
[  270.935660]  ? do_raw_spin_unlock+0xa7/0x330
[  270.940078]  ? ___preempt_schedule+0x16/0x18
[  270.944507]  ? _raw_spin_unlock+0x3f/0x50
[  270.948670]  shrink_node+0x3bc/0x16b0
[  270.952479]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  270.957788]  ? shrink_node_memcg+0x18f0/0x18f0
[  270.962374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.966965]  ? trace_hardirqs_on+0xbd/0x310
[  270.971291]  ? vmpressure+0x271/0x340
[  270.975101]  ? do_raw_spin_trylock+0x270/0x270
[  270.979695]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  270.985237]  ? __cpuset_node_allowed+0x19b/0x660
[  270.989997]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  270.995712]  ? vmpressure+0x1a2/0x340
[  270.999525]  do_try_to_free_pages+0x3e7/0x1290
[  271.004109]  ? zap_class+0x640/0x640
[  271.007846]  ? shrink_node+0x16b0/0x16b0
[  271.011921]  ? __lock_is_held+0xb5/0x140
[  271.016008]  try_to_free_pages+0x4d0/0xb90
[  271.020258]  ? do_try_to_free_pages+0x1290/0x1290
[  271.025122]  ? lock_acquire+0x1ed/0x520
[  271.029103]  ? set_page_refcounted+0x280/0x280
[  271.033695]  ? lock_release+0xa00/0xa00
[  271.037677]  ? _raw_spin_unlock_irq+0x60/0x80
[  271.042175]  ? psi_memstall_enter+0x240/0x2b0
[  271.046677]  ? psi_memstall_tick+0x230/0x230
[  271.051100]  __alloc_pages_slowpath+0xa14/0x2e10
[  271.055897]  ? warn_alloc+0x120/0x120
[  271.059705]  ? mark_held_locks+0x130/0x130
[  271.063954]  ? find_get_entry+0xaae/0x1120
[  271.068205]  ? filemap_map_pages+0x1a20/0x1a20
[  271.072803]  ? zap_class+0x640/0x640
[  271.076532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.082090]  ? check_preemption_disabled+0x48/0x280
[  271.087124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.092675]  ? should_fail+0x22d/0xd01
[  271.096572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.101690]  ? zap_class+0x640/0x640
[  271.105433]  ? __lock_is_held+0xb5/0x140
[  271.109505]  ? mark_held_locks+0x130/0x130
[  271.113746]  ? lock_release+0xa00/0xa00
[  271.117723]  ? perf_trace_sched_process_exec+0x860/0x860
[  271.123178]  ? xa_load+0x2ba/0x460
[  271.126722]  ? lock_downgrade+0x900/0x900
[  271.130881]  ? __might_sleep+0x95/0x190
[  271.134879]  __alloc_pages_nodemask+0xa80/0xde0
[  271.139559]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.144601]  ? __page_cache_alloc+0x191/0x5c0
[  271.149102]  ? xa_load+0x2e1/0x460
[  271.152646]  ? xa_clear_mark+0x40/0x40
[  271.156542]  ? zap_class+0x640/0x640
[  271.160325]  ? zap_class+0x640/0x640
[  271.164039]  ? zap_class+0x640/0x640
[  271.167755]  ? __do_page_cache_readahead+0x663/0x810
[  271.172870]  ? find_held_lock+0x36/0x1c0
[  271.176941]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  271.182490]  alloc_pages_current+0x173/0x350
[  271.186910]  __page_cache_alloc+0x38c/0x5c0
[  271.191234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.196170]  ? kasan_check_read+0x11/0x20
[  271.200319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.205612]  ? generic_perform_write+0x6a0/0x6a0
[  271.210382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.215937]  ? check_preemption_disabled+0x48/0x280
[  271.220971]  filemap_fault+0x1595/0x25f0
[  271.225050]  ? __lock_page_or_retry+0xa00/0xa00
[  271.229727]  ? mark_held_locks+0x130/0x130
[  271.233974]  ? filemap_map_pages+0xd6b/0x1a20
[  271.238471]  ? lock_downgrade+0x900/0x900
[  271.242625]  ? check_preemption_disabled+0x48/0x280
[  271.247653]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.252586]  ? kasan_check_read+0x11/0x20
[  271.256750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.262029]  ? rcu_softirq_qs+0x20/0x20
[  271.266025]  ? filemap_map_pages+0xd92/0x1a20
[  271.270555]  ? find_get_entries_tag+0x1400/0x1400
[  271.275415]  ? debug_object_destroy+0x2b0/0x2b0
[  271.280091]  ? lock_pi_update_atomic+0x150/0x150
[  271.284858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.290410]  ? lock_acquire+0x1ed/0x520
[  271.294388]  ? ext4_filemap_fault+0x7a/0xad
[  271.298719]  ? lock_release+0xa00/0xa00
[  271.302697]  ? perf_trace_sched_process_exec+0x860/0x860
[  271.308166]  ? print_usage_bug+0xc0/0xc0
[  271.312240]  ? print_usage_bug+0xc0/0xc0
[  271.316317]  ? down_read+0x8d/0x120
[  271.319947]  ? ext4_filemap_fault+0x7a/0xad
[  271.324271]  ? __down_interruptible+0x700/0x700
[  271.328950]  ext4_filemap_fault+0x82/0xad
[  271.333101]  __do_fault+0x100/0x6b0
[  271.336728]  ? find_held_lock+0x36/0x1c0
[  271.340798]  ? pmd_devmap_trans_unstable+0x220/0x220
[  271.345918]  ? mark_held_locks+0x130/0x130
[  271.350163]  ? mark_held_locks+0x130/0x130
[  271.354408]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.358909]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.363413]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  271.368004]  ? kasan_check_read+0x11/0x20
[  271.372163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.377740]  __handle_mm_fault+0x3ea6/0x5be0
[  271.382179]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  271.387030]  ? finish_task_switch+0x1f4/0x910
[  271.391526]  ? finish_task_switch+0x1b4/0x910
[  271.396028]  ? __switch_to_asm+0x34/0x70
[  271.400099]  ? preempt_notifier_register+0x200/0x200
[  271.405204]  ? __switch_to_asm+0x34/0x70
[  271.409266]  ? __switch_to_asm+0x34/0x70
[  271.413344]  ? zap_class+0x640/0x640
[  271.417060]  ? zap_class+0x640/0x640
[  271.420790]  ? __x64_sys_futex+0x53e/0x6a0
[  271.425041]  ? find_held_lock+0x36/0x1c0
[  271.429119]  ? handle_mm_fault+0x42a/0xc70
[  271.433356]  ? lock_downgrade+0x900/0x900
[  271.437512]  ? check_preemption_disabled+0x48/0x280
[  271.442542]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.447477]  ? kasan_check_read+0x11/0x20
[  271.451629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.456906]  ? rcu_softirq_qs+0x20/0x20
[  271.460889]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.466000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.471546]  ? check_preemption_disabled+0x48/0x280
[  271.476575]  handle_mm_fault+0x54f/0xc70
[  271.480652]  ? __handle_mm_fault+0x5be0/0x5be0
[  271.485239]  ? find_vma+0x34/0x190
[  271.488790]  __do_page_fault+0x5e8/0xe60
[  271.492859]  ? trace_hardirqs_off+0xb8/0x310
[  271.497282]  do_page_fault+0xf2/0x7e0
[  271.501088]  ? vmalloc_sync_all+0x30/0x30
[  271.505238]  ? error_entry+0x70/0xd0
[  271.508955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.513980]  ? trace_hardirqs_on_caller+0xc0/0x310
[  271.518914]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.523848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.528714]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.533738]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.539203]  ? prepare_exit_to_usermode+0x291/0x3b0
[  271.544228]  ? page_fault+0x8/0x30
[  271.547784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.552633]  ? page_fault+0x8/0x30
[  271.556183]  page_fault+0x1e/0x30
[  271.559636] RIP: 0033:0x40f9c0
[  271.562842] Code: Bad RIP value.
[  271.566209] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  271.571570] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  271.578847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  271.586121] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  271.593393] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  271.600664] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  271.607970] warn_alloc_show_mem: 1 callbacks suppressed
[  271.607983] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  271.607984] Mem-Info:
[  271.608016] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  271.608016]  active_file:14 inactive_file:15 isolated_file:0
[  271.608016]  unevictable:0 dirty:0 writeback:0 unstable:0
[  271.608016]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  271.608016]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  271.608016]  free:13731 free_pcp:182 free_cma:0
[  271.613361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.620294] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  271.622695] Call Trace:
[  271.655942] 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
[  271.665310]  <IRQ>
[  271.693154] lowmem_reserve[]: 0 2818 6321 6321
[  271.695743]  dump_stack+0x244/0x39d
[  271.721832] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  271.723989]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.728542] lowmem_reserve[]: 0 0 3503 3503
[  271.732173]  warn_alloc.cold.116+0xb7/0x1bd
[  271.759906] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  271.765099]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.769531] lowmem_reserve[]: 0 0 0 0
[  271.773872]  ? lock_downgrade+0x900/0x900
[  271.802835] 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
[  271.807687]  ? trace_hardirqs_off+0xb8/0x310
[  271.811451] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  271.815601]  ? trace_hardirqs_off+0xb8/0x310
[  271.829099] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  271.833511]  __alloc_pages_slowpath+0x26e8/0x2e10
[  271.848666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.853086]  ? warn_alloc+0x120/0x120
[  271.868398] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.873241]  ? print_usage_bug+0xc0/0xc0
[  271.882050] 2704 total pagecache pages
[  271.885845]  ? warn_alloc+0x120/0x120
[  271.894403] 0 pages in swap cache
[  271.898459]  ? warn_alloc+0x120/0x120
[  271.902327] Swap cache stats: add 0, delete 0, find 0/0
[  271.906118]  ? print_usage_bug+0xc0/0xc0
[  271.909546] Free swap  = 0kB
[  271.913378]  ? kvm_clock_read+0x18/0x30
[  271.918709] Total swap = 0kB
[  271.918718] 1965979 pages RAM
[  271.922782]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  271.925803] 0 pages HighMem/MovableOnly
[  271.929770]  ? print_usage_bug+0xc0/0xc0
[  271.932765] 342858 pages reserved
[  271.935866]  ? __lock_acquire+0x62f/0x4c20
[  271.935885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.940881] 0 pages cma reserved
[  271.944849]  ? should_fail+0x22d/0xd01
[  271.948952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.952327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.952345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.956660] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.962093]  ? __lock_acquire+0x62f/0x4c20
[  271.965435] syz-fuzzer cpuset=/ mems_allowed=0
[  271.969320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.010240]  ? __lock_acquire+0x62f/0x4c20
[  272.014476]  ? should_fail+0x22d/0xd01
[  272.018368]  ? rcu_irq_exit+0x1a2/0x390
[  272.022368]  ? mark_held_locks+0x130/0x130
[  272.026621]  ? mark_held_locks+0x130/0x130
[  272.030869]  ? mark_held_locks+0xc7/0x130
[  272.035023]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  272.040045]  ? zap_class+0x640/0x640
[  272.043760]  ? print_usage_bug+0xc0/0xc0
[  272.047830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.053377]  ? check_preemption_disabled+0x48/0x280
[  272.058408]  ? __lock_is_held+0xb5/0x140
[  272.062479]  __alloc_pages_nodemask+0xa80/0xde0
[  272.067158]  ? zap_class+0x640/0x640
[  272.070884]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.075916]  ? find_held_lock+0x36/0x1c0
[  272.079994]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.084669]  ? lock_downgrade+0x900/0x900
[  272.088831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.094395]  cache_grow_begin+0xa5/0x8c0
[  272.098472]  ? do_raw_spin_unlock+0xa7/0x330
[  272.102905]  fallback_alloc+0x204/0x2e0
[  272.106901]  ____cache_alloc_node+0x1c7/0x1e0
[  272.111417]  kmem_cache_alloc_node+0xe3/0x730
[  272.115916]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.120160]  __alloc_skb+0x119/0x770
[  272.123881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.129173]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.133588]  ? lock_downgrade+0x900/0x900
[  272.137763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.143302]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.148757]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.154214]  ? addrconf_rs_timer+0x690/0x690
[  272.158641]  ndisc_alloc_skb+0x144/0x340
[  272.162711]  ndisc_send_rs+0x331/0x6e0
[  272.166613]  addrconf_rs_timer+0x314/0x690
[  272.170858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.175107]  call_timer_fn+0x272/0x920
[  272.178997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.183236]  ? process_timeout+0x40/0x40
[  272.187305]  ? __run_timers+0x7da/0xc70
[  272.191284]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.195779]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.200279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.204515]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.209105]  ? trace_hardirqs_on+0xbd/0x310
[  272.213432]  ? kasan_check_read+0x11/0x20
[  272.217581]  ? __run_timers+0x7da/0xc70
[  272.221567]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.226684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.230929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.235164]  __run_timers+0x7e5/0xc70
[  272.238976]  ? timer_fixup_init+0x70/0x70
[  272.243128]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.248151]  ? zap_class+0x640/0x640
[  272.251869]  ? enqueue_hrtimer+0x1a5/0x560
[  272.256108]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.261309]  ? find_held_lock+0x36/0x1c0
[  272.265412]  ? zap_class+0x640/0x640
[  272.269131]  ? pvclock_read_flags+0x160/0x160
[  272.273632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.279176]  ? check_preemption_disabled+0x48/0x280
[  272.284204]  ? __lock_is_held+0xb5/0x140
[  272.288271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.293834]  ? check_preemption_disabled+0x48/0x280
[  272.298869]  run_timer_softirq+0x52/0xb0
[  272.302940]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.307970]  __do_softirq+0x308/0xb7e
[  272.311784]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.316283]  ? lock_downgrade+0x900/0x900
[  272.320436]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.325551]  ? pvclock_read_flags+0x160/0x160
[  272.330050]  ? lapic_next_event+0x5a/0x90
[  272.334205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.339752]  ? kvm_clock_read+0x18/0x30
[  272.343726]  ? kvm_sched_clock_read+0x9/0x20
[  272.348142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.353682]  ? check_preemption_disabled+0x48/0x280
[  272.358708]  irq_exit+0x17f/0x1c0
[  272.362172]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.367017]  ? smp_reschedule_interrupt+0x109/0x650
[  272.372038]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.377928]  ? interrupt_entry+0xb5/0xc0
[  272.381993]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.387015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.392035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.396878]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.401894]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.406915]  ? task_prio+0x50/0x50
[  272.410460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.416001]  ? check_preemption_disabled+0x48/0x280
[  272.421025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.425900]  apic_timer_interrupt+0xf/0x20
[  272.430137]  </IRQ>
[  272.432386] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  272.437316] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  272.456222] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  272.463933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  272.471204] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  272.478471] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  272.485740] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  272.493008] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  272.500322]  skb_clone+0x1bb/0x500
[  272.503874]  ? finish_task_switch+0x1b4/0x910
[  272.508375]  ? skb_split+0x11e0/0x11e0
[  272.512266]  ? preempt_notifier_register+0x200/0x200
[  272.517384]  ? __switch_to_asm+0x34/0x70
[  272.521451]  ? __switch_to_asm+0x34/0x70
[  272.525513]  ? __switch_to_asm+0x40/0x70
[  272.529573]  ? __switch_to_asm+0x34/0x70
[  272.533640]  ? __switch_to_asm+0x40/0x70
[  272.537700]  ? __switch_to_asm+0x34/0x70
[  272.541764]  ? __switch_to_asm+0x40/0x70
[  272.545825]  ? __switch_to_asm+0x34/0x70
[  272.549887]  ? __switch_to_asm+0x34/0x70
[  272.553950]  ? __switch_to_asm+0x40/0x70
[  272.558015]  ? __switch_to_asm+0x34/0x70
[  272.562084]  bpf_clone_redirect+0xb9/0x490
[  272.566319]  ? __schedule+0x8d7/0x21d0
[  272.570217]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  272.575234]  ? __sched_text_start+0x8/0x8
[  272.579386]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.584153]  ? find_held_lock+0x36/0x1c0
[  272.588225]  ? lock_acquire+0x1ed/0x520
[  272.592205]  ? bpf_test_run+0x3cb/0x780
[  272.596182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.601723]  ? check_preemption_disabled+0x48/0x280
[  272.606748]  ? kasan_check_read+0x11/0x20
[  272.610990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.616268]  ? rcu_softirq_qs+0x20/0x20
[  272.620242]  ? preempt_schedule+0x4d/0x60
[  272.624396]  ? ___preempt_schedule+0x16/0x18
[  272.628814]  ? bpf_test_run+0x25d/0x780
[  272.632860]  ? netlink_diag_dump+0x2a0/0x2a0
[  272.637274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.642822]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  272.647587]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  272.652440]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  272.657979]  ? fput+0x130/0x1a0
[  272.661261]  ? __bpf_prog_get+0x9b/0x290
[  272.665330]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  272.670175]  ? bpf_prog_test_run+0x130/0x1a0
[  272.674597]  ? __x64_sys_bpf+0x3d8/0x520
[  272.678661]  ? bpf_prog_get+0x20/0x20
[  272.682488]  ? do_syscall_64+0x1b9/0x820
[  272.686555]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  272.691930]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.696869]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.701892]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  272.706910]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  272.713576]  ? __switch_to_asm+0x40/0x70
[  272.717649]  ? __switch_to_asm+0x34/0x70
[  272.721716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.726569]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  272.731962] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  272.732052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.738545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.738550] Call Trace:
[  272.738557]  <IRQ>
[  272.738573]  dump_stack+0x244/0x39d
[  272.738603]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.745166] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.754448]  warn_alloc.cold.116+0xb7/0x1bd
[  272.757001] syz-executor1 cpuset=syz1 mems_allowed=0
[  272.759148]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.792640]  ? lock_downgrade+0x900/0x900
[  272.796801]  ? trace_hardirqs_off+0xb8/0x310
[  272.801222]  ? trace_hardirqs_off+0xb8/0x310
[  272.805645]  __alloc_pages_slowpath+0x26e8/0x2e10
[  272.810522]  ? warn_alloc+0x120/0x120
[  272.814332]  ? print_usage_bug+0xc0/0xc0
[  272.818397]  ? warn_alloc+0x120/0x120
[  272.822205]  ? warn_alloc+0x120/0x120
[  272.826012]  ? print_usage_bug+0xc0/0xc0
[  272.830080]  ? kvm_clock_read+0x18/0x30
[  272.834056]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  272.839078]  ? print_usage_bug+0xc0/0xc0
[  272.843142]  ? __lock_acquire+0x62f/0x4c20
[  272.847385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.852925]  ? should_fail+0x22d/0xd01
[  272.856815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.862095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.867202]  ? __lock_acquire+0x62f/0x4c20
[  272.871447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.876549]  ? __lock_acquire+0x62f/0x4c20
[  272.880783]  ? should_fail+0x22d/0xd01
[  272.884675]  ? rcu_irq_exit+0x1a2/0x390
[  272.888666]  ? mark_held_locks+0x130/0x130
[  272.892908]  ? mark_held_locks+0x130/0x130
[  272.897154]  ? mark_held_locks+0xc7/0x130
[  272.901307]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  272.906326]  ? zap_class+0x640/0x640
[  272.910043]  ? print_usage_bug+0xc0/0xc0
[  272.914113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.919661]  ? check_preemption_disabled+0x48/0x280
[  272.924688]  ? __lock_is_held+0xb5/0x140
[  272.928761]  __alloc_pages_nodemask+0xa80/0xde0
[  272.933436]  ? zap_class+0x640/0x640
[  272.937160]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.942191]  ? find_held_lock+0x36/0x1c0
[  272.946264]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.952239]  ? lock_downgrade+0x900/0x900
[  272.956402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.961952]  cache_grow_begin+0xa5/0x8c0
[  272.966015]  ? do_raw_spin_unlock+0xa7/0x330
[  272.970439]  fallback_alloc+0x204/0x2e0
[  272.974420]  ____cache_alloc_node+0x1c7/0x1e0
[  272.978931]  kmem_cache_alloc_node+0xe3/0x730
[  272.983429]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.987673]  __alloc_skb+0x119/0x770
[  272.991388]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.996678]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.001090]  ? lock_downgrade+0x900/0x900
[  273.005251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.010791]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.016246]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.021700]  ? addrconf_rs_timer+0x690/0x690
[  273.026121]  ndisc_alloc_skb+0x144/0x340
[  273.030190]  ndisc_send_rs+0x331/0x6e0
[  273.034081]  addrconf_rs_timer+0x314/0x690
[  273.038323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.042572]  call_timer_fn+0x272/0x920
[  273.046464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.050701]  ? process_timeout+0x40/0x40
[  273.054777]  ? mark_held_locks+0xc7/0x130
[  273.058929]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.063428]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.067922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.072164]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.076751]  ? trace_hardirqs_on+0xbd/0x310
[  273.081074]  ? kasan_check_read+0x11/0x20
[  273.085226]  ? __run_timers+0x7da/0xc70
[  273.089205]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.094313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.098553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.102792]  __run_timers+0x7e5/0xc70
[  273.106614]  ? timer_fixup_init+0x70/0x70
[  273.110766]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.115790]  ? zap_class+0x640/0x640
[  273.119515]  ? print_usage_bug+0xc0/0xc0
[  273.123584]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.128800]  ? find_held_lock+0x36/0x1c0
[  273.132878]  ? zap_class+0x640/0x640
[  273.136609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.142155]  ? check_preemption_disabled+0x48/0x280
[  273.147184]  ? __lock_is_held+0xb5/0x140
[  273.151253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.156795]  ? check_preemption_disabled+0x48/0x280
[  273.161820]  run_timer_softirq+0x52/0xb0
[  273.165891]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.170910]  __do_softirq+0x308/0xb7e
[  273.174717]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.179214]  ? lock_downgrade+0x900/0x900
[  273.183372]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.188486]  ? pvclock_read_flags+0x160/0x160
[  273.192988]  ? lapic_next_event+0x5a/0x90
[  273.197145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.202692]  ? kvm_clock_read+0x18/0x30
[  273.206668]  ? kvm_sched_clock_read+0x9/0x20
[  273.211083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.216633]  ? check_preemption_disabled+0x48/0x280
[  273.221666]  irq_exit+0x17f/0x1c0
[  273.225130]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.229973]  ? smp_reschedule_interrupt+0x109/0x650
[  273.234993]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.240888]  ? interrupt_entry+0xb5/0xc0
[  273.244953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.249970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.254988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.259836]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.264865]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.269887]  ? task_prio+0x50/0x50
[  273.273432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.278976]  ? check_preemption_disabled+0x48/0x280
[  273.283998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.288857]  apic_timer_interrupt+0xf/0x20
[  273.293091]  </IRQ>
[  273.295333] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  273.301484] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  273.320396] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  273.328140] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  273.335426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  273.342699] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  273.349967] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  273.357238] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  273.364529]  ? unlock_page+0x25d/0x4c0
[  273.368429]  unlock_page+0x25d/0x4c0
[  273.372151]  ? wake_up_page_bit+0x6f0/0x6f0
[  273.376476]  ? shrink_page_list+0x7e68/0xccd0
[  273.380975]  ? shrink_page_list+0x7e68/0xccd0
[  273.385472]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.390059]  ? shrink_inactive_list+0x77b/0x1c60
[  273.394820]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.399935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.405477]  ? check_preemption_disabled+0x48/0x280
[  273.410494]  ? shrink_page_list+0x145c/0xccd0
[  273.414995]  shrink_page_list+0x3714/0xccd0
[  273.419346]  ? page_evictable+0x540/0x540
[  273.423682]  ? rb_erase_cached+0xc78/0x3720
[  273.428011]  ? rb_erase_cached+0xc78/0x3720
[  273.432340]  ? rb_next+0x140/0x140
[  273.435902]  ? rb_next+0x140/0x140
[  273.439452]  ? rb_next+0x140/0x140
[  273.443078]  ? zap_class+0x640/0x640
[  273.446794]  ? zap_class+0x640/0x640
[  273.450506]  ? zap_class+0x640/0x640
[  273.454229]  ? zap_class+0x640/0x640
[  273.457951]  ? __update_load_avg_se+0x5eb/0xae0
[  273.462627]  ? __update_load_avg_blocked_se+0x690/0x690
[  273.468001]  ? __update_load_avg_se+0xae0/0xae0
[  273.472669]  ? zap_class+0x640/0x640
[  273.476395]  ? update_load_avg+0x387/0x2470
[  273.480729]  ? attach_entity_load_avg+0x860/0x860
[  273.485581]  ? update_load_avg+0x387/0x2470
[  273.489920]  ? attach_entity_load_avg+0x860/0x860
[  273.494774]  ? attach_entity_load_avg+0x860/0x860
[  273.499637]  ? attach_entity_load_avg+0x860/0x860
[  273.504486]  ? rb_erase+0x3710/0x3710
[  273.508295]  ? rb_erase+0x3710/0x3710
[  273.512101]  ? rb_erase+0x3710/0x3710
[  273.515911]  ? rb_erase+0x3710/0x3710
[  273.519721]  ? rb_erase+0x3710/0x3710
[  273.523535]  ? __lock_acquire+0x62f/0x4c20
[  273.527791]  ? zap_class+0x640/0x640
[  273.531508]  ? print_usage_bug+0xc0/0xc0
[  273.535570]  ? zap_class+0x640/0x640
[  273.539292]  ? zap_class+0x640/0x640
[  273.543012]  ? print_usage_bug+0xc0/0xc0
[  273.547079]  ? print_usage_bug+0xc0/0xc0
[  273.551146]  ? zap_class+0x640/0x640
[  273.554864]  ? __lock_is_held+0xb5/0x140
[  273.558943]  ? print_usage_bug+0xc0/0xc0
[  273.563013]  ? __lock_acquire+0x62f/0x4c20
[  273.567256]  ? mark_held_locks+0x130/0x130
[  273.571497]  ? print_usage_bug+0xc0/0xc0
[  273.575568]  ? rb_erase_cached+0xc78/0x3720
[  273.579906]  ? rb_next+0x140/0x140
[  273.583454]  ? rb_next+0x140/0x140
[  273.587000]  ? __lock_acquire+0x62f/0x4c20
[  273.591237]  ? __lock_acquire+0x62f/0x4c20
[  273.595478]  ? rcu_note_context_switch+0x12ad/0x2150
[  273.600584]  ? print_usage_bug+0xc0/0xc0
[  273.604670]  ? mark_held_locks+0x130/0x130
[  273.608911]  ? zap_class+0x640/0x640
[  273.612628]  ? print_usage_bug+0xc0/0xc0
[  273.616689]  ? put_dec+0x3b/0xf0
[  273.620081]  ? rb_next+0x140/0x140
[  273.623634]  ? __lock_acquire+0x62f/0x4c20
[  273.627876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.633422]  ? check_preemption_disabled+0x48/0x280
[  273.638666]  ? print_usage_bug+0xc0/0xc0
[  273.642739]  ? rb_erase_cached+0xc78/0x3720
[  273.647069]  ? rb_next+0x140/0x140
[  273.650632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.656178]  ? __isolate_lru_page+0xd05/0x1540
[  273.660778]  ? print_usage_bug+0xc0/0xc0
[  273.664846]  ? mark_held_locks+0x130/0x130
[  273.669090]  ? zap_class+0x640/0x640
[  273.672810]  ? update_load_avg+0x13b8/0x2470
[  273.677229]  ? print_usage_bug+0xc0/0xc0
[  273.681295]  ? zap_class+0x640/0x640
[  273.685012]  ? __lock_acquire+0x62f/0x4c20
[  273.689253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.694796]  ? check_preemption_disabled+0x48/0x280
[  273.699820]  ? __update_load_avg_blocked_se+0x690/0x690
[  273.705197]  ? __update_load_avg_se+0xae0/0xae0
[  273.709878]  ? zap_class+0x640/0x640
[  273.713613]  ? update_load_avg+0x387/0x2470
[  273.717949]  ? attach_entity_load_avg+0x860/0x860
[  273.722807]  ? update_load_avg+0x387/0x2470
[  273.727137]  ? attach_entity_load_avg+0x860/0x860
[  273.731987]  ? attach_entity_load_avg+0x860/0x860
[  273.736843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.742393]  ? __isolate_lru_page+0xd05/0x1540
[  273.746982]  ? putback_lru_page+0x280/0x280
[  273.751310]  ? rb_erase+0x3710/0x3710
[  273.755126]  ? mark_held_locks+0x130/0x130
[  273.759376]  ? cpuacct_charge+0x265/0x440
[  273.763533]  ? find_held_lock+0x36/0x1c0
[  273.767615]  ? zap_class+0x640/0x640
[  273.771512]  ? print_usage_bug+0xc0/0xc0
[  273.775578]  ? zap_class+0x640/0x640
[  273.779306]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.784238]  ? kasan_check_read+0x11/0x20
[  273.788392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.793682]  ? zap_class+0x640/0x640
[  273.797419]  ? __lock_is_held+0xb5/0x140
[  273.801495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.807251]  ? check_preemption_disabled+0x48/0x280
[  273.812282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.817829]  ? check_preemption_disabled+0x48/0x280
[  273.822860]  ? __lock_is_held+0xb5/0x140
[  273.826935]  ? __this_cpu_preempt_check+0x1c/0x20
[  273.831787]  ? __mod_zone_page_state+0x8a/0xf0
[  273.836381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.841924]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  273.847138]  ? __isolate_lru_page+0x1540/0x1540
[  273.851828]  ? zap_class+0x640/0x640
[  273.855563]  ? print_usage_bug+0xc0/0xc0
[  273.859633]  ? __account_cfs_rq_runtime+0x790/0x790
[  273.864661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.870206]  ? find_held_lock+0x36/0x1c0
[  273.874272]  ? zap_class+0x640/0x640
[  273.877991]  ? print_usage_bug+0xc0/0xc0
[  273.882058]  ? mark_held_locks+0xc7/0x130
[  273.886213]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.890722]  ? zap_class+0x640/0x640
[  273.894443]  ? print_usage_bug+0xc0/0xc0
[  273.898510]  ? mark_held_locks+0xc7/0x130
[  273.902672]  ? find_held_lock+0x36/0x1c0
[  273.906746]  ? mark_held_locks+0xc7/0x130
[  273.910905]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.915404]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.919916]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.924505]  ? trace_hardirqs_on+0xbd/0x310
[  273.928837]  ? kasan_check_read+0x11/0x20
[  273.932995]  ? shrink_inactive_list+0x741/0x1c60
[  273.937758]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.942875]  ? trace_hardirqs_on+0x310/0x310
[  273.947293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.952835]  ? check_preemption_disabled+0x48/0x280
[  273.957880]  shrink_inactive_list+0x77b/0x1c60
[  273.962483]  ? putback_inactive_pages+0x27e0/0x27e0
[  273.967511]  ? kasan_check_read+0x11/0x20
[  273.971665]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  273.976946]  ? __rcu_read_unlock+0x2d6/0x2e0
[  273.981361]  ? blk_lld_busy+0x70/0x70
[  273.985167]  ? kasan_check_read+0x11/0x20
[  273.989330]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  273.994276]  shrink_node_memcg+0x78b/0x18f0
[  273.998628]  ? shrink_active_list+0x1f00/0x1f00
[  274.003313]  ? lock_downgrade+0x900/0x900
[  274.007469]  ? check_flush_dependency+0x410/0x410
[  274.012333]  ? kasan_check_read+0x11/0x20
[  274.016485]  ? do_raw_spin_unlock+0xa7/0x330
[  274.020909]  ? ___preempt_schedule+0x16/0x18
[  274.025328]  ? _raw_spin_unlock+0x3f/0x50
[  274.029491]  shrink_node+0x3bc/0x16b0
[  274.033297]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  274.038613]  ? shrink_node_memcg+0x18f0/0x18f0
[  274.043200]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.047788]  ? trace_hardirqs_on+0xbd/0x310
[  274.052116]  ? vmpressure+0x271/0x340
[  274.055924]  ? do_raw_spin_trylock+0x270/0x270
[  274.060518]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.066057]  ? __cpuset_node_allowed+0x19b/0x660
[  274.070821]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  274.076543]  ? vmpressure+0x1a2/0x340
[  274.080358]  do_try_to_free_pages+0x3e7/0x1290
[  274.084950]  ? zap_class+0x640/0x640
[  274.088690]  ? shrink_node+0x16b0/0x16b0
[  274.092759]  ? __lock_is_held+0xb5/0x140
[  274.096838]  try_to_free_pages+0x4d0/0xb90
[  274.101090]  ? do_try_to_free_pages+0x1290/0x1290
[  274.105952]  ? lock_acquire+0x1ed/0x520
[  274.109941]  ? set_page_refcounted+0x280/0x280
[  274.114533]  ? lock_release+0xa00/0xa00
[  274.118515]  ? _raw_spin_unlock_irq+0x60/0x80
[  274.123013]  ? psi_memstall_enter+0x240/0x2b0
[  274.127519]  ? psi_memstall_tick+0x230/0x230
[  274.131944]  __alloc_pages_slowpath+0xa14/0x2e10
[  274.136731]  ? warn_alloc+0x120/0x120
[  274.140530]  ? mark_held_locks+0x130/0x130
[  274.144779]  ? find_get_entry+0xaae/0x1120
[  274.149030]  ? filemap_map_pages+0x1a20/0x1a20
[  274.153630]  ? zap_class+0x640/0x640
[  274.157354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.162902]  ? check_preemption_disabled+0x48/0x280
[  274.167921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.173460]  ? should_fail+0x22d/0xd01
[  274.177352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.182463]  ? zap_class+0x640/0x640
[  274.186205]  ? __lock_is_held+0xb5/0x140
[  274.190278]  ? mark_held_locks+0x130/0x130
[  274.194541]  ? lock_release+0xa00/0xa00
[  274.198520]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.203973]  ? xa_load+0x2ba/0x460
[  274.207517]  ? lock_downgrade+0x900/0x900
[  274.211675]  ? __might_sleep+0x95/0x190
[  274.215657]  __alloc_pages_nodemask+0xa80/0xde0
[  274.220338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.225359]  ? __page_cache_alloc+0x191/0x5c0
[  274.229865]  ? xa_load+0x2e1/0x460
[  274.233414]  ? xa_clear_mark+0x40/0x40
[  274.237305]  ? zap_class+0x640/0x640
[  274.241029]  ? zap_class+0x640/0x640
[  274.244748]  ? zap_class+0x640/0x640
[  274.248470]  ? __do_page_cache_readahead+0x663/0x810
[  274.253582]  ? find_held_lock+0x36/0x1c0
[  274.257662]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  274.263209]  alloc_pages_current+0x173/0x350
[  274.267639]  __page_cache_alloc+0x38c/0x5c0
[  274.271967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.276946]  ? kasan_check_read+0x11/0x20
[  274.281099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.286385]  ? generic_perform_write+0x6a0/0x6a0
[  274.291178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.296727]  ? check_preemption_disabled+0x48/0x280
[  274.301760]  filemap_fault+0x1595/0x25f0
[  274.305843]  ? __lock_page_or_retry+0xa00/0xa00
[  274.310528]  ? mark_held_locks+0x130/0x130
[  274.314797]  ? filemap_map_pages+0xd6b/0x1a20
[  274.319303]  ? lock_downgrade+0x900/0x900
[  274.323457]  ? check_preemption_disabled+0x48/0x280
[  274.328486]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.333424]  ? kasan_check_read+0x11/0x20
[  274.337577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.342877]  ? rcu_softirq_qs+0x20/0x20
[  274.346880]  ? filemap_map_pages+0xd92/0x1a20
[  274.351396]  ? find_get_entries_tag+0x1400/0x1400
[  274.356253]  ? debug_object_destroy+0x2b0/0x2b0
[  274.360934]  ? lock_pi_update_atomic+0x150/0x150
[  274.365699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.371255]  ? lock_acquire+0x1ed/0x520
[  274.375234]  ? ext4_filemap_fault+0x7a/0xad
[  274.379567]  ? lock_release+0xa00/0xa00
[  274.383550]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.389015]  ? print_usage_bug+0xc0/0xc0
[  274.393086]  ? print_usage_bug+0xc0/0xc0
[  274.397161]  ? down_read+0x8d/0x120
[  274.400788]  ? ext4_filemap_fault+0x7a/0xad
[  274.405111]  ? __down_interruptible+0x700/0x700
[  274.409798]  ext4_filemap_fault+0x82/0xad
[  274.413953]  __do_fault+0x100/0x6b0
[  274.417581]  ? find_held_lock+0x36/0x1c0
[  274.421658]  ? pmd_devmap_trans_unstable+0x220/0x220
[  274.426766]  ? mark_held_locks+0x130/0x130
[  274.431008]  ? mark_held_locks+0x130/0x130
[  274.435249]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.439745]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.444246]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.448837]  ? kasan_check_read+0x11/0x20
[  274.452998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.458546]  __handle_mm_fault+0x3ea6/0x5be0
[  274.462970]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  274.467820]  ? finish_task_switch+0x1f4/0x910
[  274.472326]  ? finish_task_switch+0x1b4/0x910
[  274.476830]  ? __switch_to_asm+0x34/0x70
[  274.480903]  ? preempt_notifier_register+0x200/0x200
[  274.486006]  ? __switch_to_asm+0x34/0x70
[  274.490072]  ? __switch_to_asm+0x34/0x70
[  274.494150]  ? zap_class+0x640/0x640
[  274.497873]  ? zap_class+0x640/0x640
[  274.501599]  ? __x64_sys_futex+0x53e/0x6a0
[  274.505846]  ? find_held_lock+0x36/0x1c0
[  274.509928]  ? handle_mm_fault+0x42a/0xc70
[  274.514172]  ? lock_downgrade+0x900/0x900
[  274.518327]  ? check_preemption_disabled+0x48/0x280
[  274.523352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.528287]  ? kasan_check_read+0x11/0x20
[  274.532441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.537722]  ? rcu_softirq_qs+0x20/0x20
[  274.541701]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.546815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.552367]  ? check_preemption_disabled+0x48/0x280
[  274.557404]  handle_mm_fault+0x54f/0xc70
[  274.561491]  ? __handle_mm_fault+0x5be0/0x5be0
[  274.566084]  ? find_vma+0x34/0x190
[  274.569637]  __do_page_fault+0x5e8/0xe60
[  274.573704]  ? trace_hardirqs_off+0xb8/0x310
[  274.578131]  do_page_fault+0xf2/0x7e0
[  274.581940]  ? vmalloc_sync_all+0x30/0x30
[  274.586096]  ? error_entry+0x70/0xd0
[  274.589823]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.594856]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.599793]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.604730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.609582]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.614622]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.620084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  274.625106]  ? page_fault+0x8/0x30
[  274.628652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.633500]  ? page_fault+0x8/0x30
[  274.637258]  page_fault+0x1e/0x30
[  274.640713] RIP: 0033:0x40f9c0
[  274.643916] Code: Bad RIP value.
[  274.647280] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  274.652640] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  274.659907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  274.667177] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  274.674442] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  274.681710] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  274.689059] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  274.689064] warn_alloc_show_mem: 1 callbacks suppressed
[  274.689072] Mem-Info:
[  274.696003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.701371] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  274.701371]  active_file:14 inactive_file:15 isolated_file:0
[  274.701371]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.701371]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  274.701371]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  274.701371]  free:13731 free_pcp:182 free_cma:0
[  274.703749] Call Trace:
[  274.713141] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.746166]  <IRQ>
[  274.748739] 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
[  274.776586]  dump_stack+0x244/0x39d
[  274.778716] lowmem_reserve[]: 0 2818 6321 6321
[  274.804854]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.808459] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  274.813046]  warn_alloc.cold.116+0xb7/0x1bd
[  274.818202] lowmem_reserve[]: 0 0 3503 3503
[  274.845973]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.850272] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  274.854587]  ? lock_downgrade+0x900/0x900
[  274.859410] lowmem_reserve[]: 0 0 0 0
[  274.888415]  ? trace_hardirqs_off+0xb8/0x310
[  274.892538] 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
[  274.896341]  ? trace_hardirqs_off+0xb8/0x310
[  274.900728] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  274.914269]  __alloc_pages_slowpath+0x26e8/0x2e10
[  274.918655] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  274.933848]  ? warn_alloc+0x120/0x120
[  274.938651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  274.953993]  ? print_usage_bug+0xc0/0xc0
[  274.957773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  274.966617]  ? warn_alloc+0x120/0x120
[  274.970656] 2704 total pagecache pages
[  274.979228]  ? warn_alloc+0x120/0x120
[  274.983011] 0 pages in swap cache
[  274.986886]  ? print_usage_bug+0xc0/0xc0
[  274.990666] Swap cache stats: add 0, delete 0, find 0/0
[  274.994112]  ? kvm_clock_read+0x18/0x30
[  274.998147] Free swap  = 0kB
[  275.003508]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.007458] Total swap = 0kB
[  275.010471]  ? print_usage_bug+0xc0/0xc0
[  275.015458] 1965979 pages RAM
[  275.018471]  ? __lock_acquire+0x62f/0x4c20
[  275.022506] 0 pages HighMem/MovableOnly
[  275.025617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.029835] 342858 pages reserved
[  275.033805]  ? should_fail+0x22d/0xd01
[  275.039318] 0 pages cma reserved
[  275.042772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.046700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.049996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.055354] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.061747]  ? __lock_acquire+0x62f/0x4c20
[  275.066825] syz-fuzzer cpuset=/ mems_allowed=0
[  275.077051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.090921]  ? __lock_acquire+0x62f/0x4c20
[  275.095159]  ? should_fail+0x22d/0xd01
[  275.099050]  ? rcu_irq_exit+0x1a2/0x390
[  275.103039]  ? mark_held_locks+0x130/0x130
[  275.107281]  ? mark_held_locks+0x130/0x130
[  275.111526]  ? mark_held_locks+0xc7/0x130
[  275.115680]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  275.120704]  ? zap_class+0x640/0x640
[  275.124429]  ? print_usage_bug+0xc0/0xc0
[  275.128509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.134063]  ? check_preemption_disabled+0x48/0x280
[  275.139095]  ? __lock_is_held+0xb5/0x140
[  275.143166]  __alloc_pages_nodemask+0xa80/0xde0
[  275.147843]  ? zap_class+0x640/0x640
[  275.151565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.156611]  ? find_held_lock+0x36/0x1c0
[  275.160696]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.165384]  ? lock_downgrade+0x900/0x900
[  275.169550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.175100]  cache_grow_begin+0xa5/0x8c0
[  275.179169]  ? do_raw_spin_unlock+0xa7/0x330
[  275.183606]  fallback_alloc+0x204/0x2e0
[  275.187608]  ____cache_alloc_node+0x1c7/0x1e0
[  275.192121]  kmem_cache_alloc_node+0xe3/0x730
[  275.196627]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.200878]  __alloc_skb+0x119/0x770
[  275.204604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.209900]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.214314]  ? lock_downgrade+0x900/0x900
[  275.218471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.224012]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.229470]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.234920]  ? addrconf_rs_timer+0x690/0x690
[  275.239344]  ndisc_alloc_skb+0x144/0x340
[  275.243420]  ndisc_send_rs+0x331/0x6e0
[  275.247319]  addrconf_rs_timer+0x314/0x690
[  275.251565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.255825]  call_timer_fn+0x272/0x920
[  275.259716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.263958]  ? process_timeout+0x40/0x40
[  275.268033]  ? __run_timers+0x7da/0xc70
[  275.272012]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.276515]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.281018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.285277]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.289865]  ? trace_hardirqs_on+0xbd/0x310
[  275.294191]  ? kasan_check_read+0x11/0x20
[  275.298346]  ? __run_timers+0x7da/0xc70
[  275.302333]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.307465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.311713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.315951]  __run_timers+0x7e5/0xc70
[  275.319767]  ? timer_fixup_init+0x70/0x70
[  275.323923]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  275.328947]  ? zap_class+0x640/0x640
[  275.332669]  ? enqueue_hrtimer+0x1a5/0x560
[  275.336913]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  275.342113]  ? find_held_lock+0x36/0x1c0
[  275.346180]  ? zap_class+0x640/0x640
[  275.349900]  ? pvclock_read_flags+0x160/0x160
[  275.354407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.359962]  ? check_preemption_disabled+0x48/0x280
[  275.365013]  ? __lock_is_held+0xb5/0x140
[  275.369079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.374633]  ? check_preemption_disabled+0x48/0x280
[  275.379662]  run_timer_softirq+0x52/0xb0
[  275.383731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.388754]  __do_softirq+0x308/0xb7e
[  275.392566]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  275.397073]  ? lock_downgrade+0x900/0x900
[  275.401230]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  275.406348]  ? pvclock_read_flags+0x160/0x160
[  275.410854]  ? lapic_next_event+0x5a/0x90
[  275.415011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.420556]  ? kvm_clock_read+0x18/0x30
[  275.424541]  ? kvm_sched_clock_read+0x9/0x20
[  275.428956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.434497]  ? check_preemption_disabled+0x48/0x280
[  275.439533]  irq_exit+0x17f/0x1c0
[  275.442997]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.447843]  ? smp_reschedule_interrupt+0x109/0x650
[  275.452867]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.458806]  ? interrupt_entry+0xb5/0xc0
[  275.462878]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.467903]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.472926]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.477778]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.482802]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.487922]  ? task_prio+0x50/0x50
[  275.491485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.497032]  ? check_preemption_disabled+0x48/0x280
[  275.502066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.506929]  apic_timer_interrupt+0xf/0x20
[  275.511260]  </IRQ>
[  275.513508] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.518445] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  275.537367] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  275.545078] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  275.552346] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  275.559634] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  275.566905] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  275.574176] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  275.581495]  skb_clone+0x1bb/0x500
[  275.585037]  ? finish_task_switch+0x1b4/0x910
[  275.589537]  ? skb_split+0x11e0/0x11e0
[  275.593430]  ? preempt_notifier_register+0x200/0x200
[  275.598533]  ? __switch_to_asm+0x34/0x70
[  275.602608]  ? __switch_to_asm+0x34/0x70
[  275.606670]  ? __switch_to_asm+0x40/0x70
[  275.610740]  ? __switch_to_asm+0x34/0x70
[  275.614805]  ? __switch_to_asm+0x40/0x70
[  275.618869]  ? __switch_to_asm+0x34/0x70
[  275.622931]  ? __switch_to_asm+0x40/0x70
[  275.626996]  ? __switch_to_asm+0x34/0x70
[  275.631064]  ? __switch_to_asm+0x34/0x70
[  275.635128]  ? __switch_to_asm+0x40/0x70
[  275.639417]  ? __switch_to_asm+0x34/0x70
[  275.643496]  bpf_clone_redirect+0xb9/0x490
[  275.647742]  ? __schedule+0x8d7/0x21d0
[  275.651640]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  275.656669]  ? __sched_text_start+0x8/0x8
[  275.660825]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.665611]  ? find_held_lock+0x36/0x1c0
[  275.669691]  ? lock_acquire+0x1ed/0x520
[  275.673673]  ? bpf_test_run+0x3cb/0x780
[  275.677651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.683197]  ? check_preemption_disabled+0x48/0x280
[  275.688224]  ? kasan_check_read+0x11/0x20
[  275.692379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.697656]  ? rcu_softirq_qs+0x20/0x20
[  275.701637]  ? preempt_schedule+0x4d/0x60
[  275.705791]  ? ___preempt_schedule+0x16/0x18
[  275.710476]  ? bpf_test_run+0x25d/0x780
[  275.714468]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.718894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.724444]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  275.729213]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  275.734061]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.739613]  ? fput+0x130/0x1a0
[  275.742900]  ? __bpf_prog_get+0x9b/0x290
[  275.747054]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  275.751897]  ? bpf_prog_test_run+0x130/0x1a0
[  275.756312]  ? __x64_sys_bpf+0x3d8/0x520
[  275.760384]  ? bpf_prog_get+0x20/0x20
[  275.764210]  ? do_syscall_64+0x1b9/0x820
[  275.768771]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.774143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.779085]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.784108]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.789130]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  275.795801]  ? __switch_to_asm+0x40/0x70
[  275.799863]  ? __switch_to_asm+0x34/0x70
[  275.803935]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.808790]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.814185] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  275.814255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.820770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.820775] Call Trace:
[  275.820782]  <IRQ>
[  275.820800]  dump_stack+0x244/0x39d
[  275.820822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.827400] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.836681]  warn_alloc.cold.116+0xb7/0x1bd
[  275.839237] syz-executor1 cpuset=syz1 mems_allowed=0
[  275.841389]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.874896]  ? lock_downgrade+0x900/0x900
[  275.879071]  ? trace_hardirqs_off+0xb8/0x310
[  275.883492]  ? trace_hardirqs_off+0xb8/0x310
[  275.887922]  __alloc_pages_slowpath+0x26e8/0x2e10
[  275.892801]  ? warn_alloc+0x120/0x120
[  275.896618]  ? print_usage_bug+0xc0/0xc0
[  275.900690]  ? warn_alloc+0x120/0x120
[  275.904505]  ? warn_alloc+0x120/0x120
[  275.908331]  ? print_usage_bug+0xc0/0xc0
[  275.912403]  ? kvm_clock_read+0x18/0x30
[  275.916387]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.921413]  ? print_usage_bug+0xc0/0xc0
[  275.925478]  ? __lock_acquire+0x62f/0x4c20
[  275.929727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.935271]  ? should_fail+0x22d/0xd01
[  275.939162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.944447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.949558]  ? __lock_acquire+0x62f/0x4c20
[  275.953808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.958910]  ? __lock_acquire+0x62f/0x4c20
[  275.963146]  ? should_fail+0x22d/0xd01
[  275.967033]  ? rcu_irq_exit+0x1a2/0x390
[  275.971017]  ? mark_held_locks+0x130/0x130
[  275.975260]  ? mark_held_locks+0x130/0x130
[  275.979503]  ? mark_held_locks+0xc7/0x130
[  275.983658]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  275.988677]  ? zap_class+0x640/0x640
[  275.992395]  ? print_usage_bug+0xc0/0xc0
[  275.996467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.002011]  ? check_preemption_disabled+0x48/0x280
[  276.007041]  ? __lock_is_held+0xb5/0x140
[  276.011113]  __alloc_pages_nodemask+0xa80/0xde0
[  276.015786]  ? zap_class+0x640/0x640
[  276.019509]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.024542]  ? find_held_lock+0x36/0x1c0
[  276.028623]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.033297]  ? lock_downgrade+0x900/0x900
[  276.037460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.043005]  cache_grow_begin+0xa5/0x8c0
[  276.047070]  ? do_raw_spin_unlock+0xa7/0x330
[  276.051495]  fallback_alloc+0x204/0x2e0
[  276.055483]  ____cache_alloc_node+0x1c7/0x1e0
[  276.059997]  kmem_cache_alloc_node+0xe3/0x730
[  276.064506]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.068766]  __alloc_skb+0x119/0x770
[  276.072493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.077785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  276.082197]  ? lock_downgrade+0x900/0x900
[  276.086355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.091900]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.097359]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.102813]  ? addrconf_rs_timer+0x690/0x690
[  276.107233]  ndisc_alloc_skb+0x144/0x340
[  276.111303]  ndisc_send_rs+0x331/0x6e0
[  276.115196]  addrconf_rs_timer+0x314/0x690
[  276.119435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.123682]  call_timer_fn+0x272/0x920
[  276.127570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.131814]  ? process_timeout+0x40/0x40
[  276.135898]  ? mark_held_locks+0xc7/0x130
[  276.140053]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.144548]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.149044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.153281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.157871]  ? trace_hardirqs_on+0xbd/0x310
[  276.162196]  ? kasan_check_read+0x11/0x20
[  276.166360]  ? __run_timers+0x7da/0xc70
[  276.170338]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.175448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.179686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.183922]  __run_timers+0x7e5/0xc70
[  276.187735]  ? timer_fixup_init+0x70/0x70
[  276.191891]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.196917]  ? zap_class+0x640/0x640
[  276.200638]  ? print_usage_bug+0xc0/0xc0
[  276.204707]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.209920]  ? find_held_lock+0x36/0x1c0
[  276.213994]  ? zap_class+0x640/0x640
[  276.217718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.223261]  ? check_preemption_disabled+0x48/0x280
[  276.228290]  ? __lock_is_held+0xb5/0x140
[  276.232359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.237899]  ? check_preemption_disabled+0x48/0x280
[  276.242924]  run_timer_softirq+0x52/0xb0
[  276.246995]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.252017]  __do_softirq+0x308/0xb7e
[  276.255825]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.260327]  ? lock_downgrade+0x900/0x900
[  276.264481]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.269607]  ? pvclock_read_flags+0x160/0x160
[  276.274113]  ? lapic_next_event+0x5a/0x90
[  276.278273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.283826]  ? kvm_clock_read+0x18/0x30
[  276.287814]  ? kvm_sched_clock_read+0x9/0x20
[  276.292226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.297771]  ? check_preemption_disabled+0x48/0x280
[  276.302796]  irq_exit+0x17f/0x1c0
[  276.306259]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.311104]  ? smp_reschedule_interrupt+0x109/0x650
[  276.316128]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.322014]  ? interrupt_entry+0xb5/0xc0
[  276.326083]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.331103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.336125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.340975]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.345994]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.351017]  ? task_prio+0x50/0x50
[  276.354564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.360116]  ? check_preemption_disabled+0x48/0x280
[  276.365143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.370003]  apic_timer_interrupt+0xf/0x20
[  276.374238]  </IRQ>
[  276.376478] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  276.382627] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  276.401534] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  276.409255] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  276.416544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  276.423814] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  276.431085] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  276.438358] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  276.445657]  ? unlock_page+0x25d/0x4c0
[  276.449598]  unlock_page+0x25d/0x4c0
[  276.453321]  ? wake_up_page_bit+0x6f0/0x6f0
[  276.457646]  ? shrink_page_list+0x7e68/0xccd0
[  276.462147]  ? shrink_page_list+0x7e68/0xccd0
[  276.466650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.471243]  ? shrink_inactive_list+0x77b/0x1c60
[  276.476003]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.481113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.486657]  ? check_preemption_disabled+0x48/0x280
[  276.491768]  ? shrink_page_list+0x145c/0xccd0
[  276.496290]  shrink_page_list+0x3714/0xccd0
[  276.500648]  ? page_evictable+0x540/0x540
[  276.504980]  ? rb_erase_cached+0xc78/0x3720
[  276.509306]  ? rb_erase_cached+0xc78/0x3720
[  276.513634]  ? rb_next+0x140/0x140
[  276.517182]  ? rb_next+0x140/0x140
[  276.520729]  ? rb_next+0x140/0x140
[  276.524351]  ? zap_class+0x640/0x640
[  276.528068]  ? zap_class+0x640/0x640
[  276.531783]  ? zap_class+0x640/0x640
[  276.535505]  ? zap_class+0x640/0x640
[  276.539222]  ? __update_load_avg_se+0x5eb/0xae0
[  276.543898]  ? __update_load_avg_blocked_se+0x690/0x690
[  276.549269]  ? __update_load_avg_se+0xae0/0xae0
[  276.553937]  ? zap_class+0x640/0x640
[  276.557665]  ? update_load_avg+0x387/0x2470
[  276.562002]  ? attach_entity_load_avg+0x860/0x860
[  276.566862]  ? update_load_avg+0x387/0x2470
[  276.571194]  ? attach_entity_load_avg+0x860/0x860
[  276.576045]  ? attach_entity_load_avg+0x860/0x860
[  276.580894]  ? attach_entity_load_avg+0x860/0x860
[  276.585742]  ? rb_erase+0x3710/0x3710
[  276.589548]  ? rb_erase+0x3710/0x3710
[  276.593350]  ? rb_erase+0x3710/0x3710
[  276.597159]  ? rb_erase+0x3710/0x3710
[  276.600971]  ? rb_erase+0x3710/0x3710
[  276.604785]  ? __lock_acquire+0x62f/0x4c20
[  276.609031]  ? zap_class+0x640/0x640
[  276.612751]  ? print_usage_bug+0xc0/0xc0
[  276.616817]  ? zap_class+0x640/0x640
[  276.620534]  ? zap_class+0x640/0x640
[  276.624251]  ? print_usage_bug+0xc0/0xc0
[  276.628315]  ? print_usage_bug+0xc0/0xc0
[  276.632380]  ? zap_class+0x640/0x640
[  276.636096]  ? __lock_is_held+0xb5/0x140
[  276.640170]  ? print_usage_bug+0xc0/0xc0
[  276.644245]  ? __lock_acquire+0x62f/0x4c20
[  276.648488]  ? mark_held_locks+0x130/0x130
[  276.652726]  ? print_usage_bug+0xc0/0xc0
[  276.656798]  ? rb_erase_cached+0xc78/0x3720
[  276.661128]  ? rb_next+0x140/0x140
[  276.664677]  ? rb_next+0x140/0x140
[  276.668224]  ? __lock_acquire+0x62f/0x4c20
[  276.672464]  ? __lock_acquire+0x62f/0x4c20
[  276.676700]  ? rcu_note_context_switch+0x12ad/0x2150
[  276.681805]  ? print_usage_bug+0xc0/0xc0
[  276.685886]  ? mark_held_locks+0x130/0x130
[  276.690131]  ? zap_class+0x640/0x640
[  276.693859]  ? print_usage_bug+0xc0/0xc0
[  276.697919]  ? put_dec+0x3b/0xf0
[  276.701306]  ? rb_next+0x140/0x140
[  276.704849]  ? __lock_acquire+0x62f/0x4c20
[  276.709096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.714640]  ? check_preemption_disabled+0x48/0x280
[  276.719675]  ? print_usage_bug+0xc0/0xc0
[  276.723742]  ? rb_erase_cached+0xc78/0x3720
[  276.728073]  ? rb_next+0x140/0x140
[  276.731637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.737177]  ? __isolate_lru_page+0xd05/0x1540
[  276.741776]  ? print_usage_bug+0xc0/0xc0
[  276.745840]  ? mark_held_locks+0x130/0x130
[  276.750082]  ? zap_class+0x640/0x640
[  276.753800]  ? update_load_avg+0x13b8/0x2470
[  276.758217]  ? print_usage_bug+0xc0/0xc0
[  276.762285]  ? zap_class+0x640/0x640
[  276.766003]  ? __lock_acquire+0x62f/0x4c20
[  276.770242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.775788]  ? check_preemption_disabled+0x48/0x280
[  276.780814]  ? __update_load_avg_blocked_se+0x690/0x690
[  276.786184]  ? __update_load_avg_se+0xae0/0xae0
[  276.790860]  ? zap_class+0x640/0x640
[  276.794599]  ? update_load_avg+0x387/0x2470
[  276.798931]  ? attach_entity_load_avg+0x860/0x860
[  276.803785]  ? update_load_avg+0x387/0x2470
[  276.808109]  ? attach_entity_load_avg+0x860/0x860
[  276.812958]  ? attach_entity_load_avg+0x860/0x860
[  276.817813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.823352]  ? __isolate_lru_page+0xd05/0x1540
[  276.827943]  ? putback_lru_page+0x280/0x280
[  276.832268]  ? rb_erase+0x3710/0x3710
[  276.836082]  ? mark_held_locks+0x130/0x130
[  276.840323]  ? cpuacct_charge+0x265/0x440
[  276.844480]  ? find_held_lock+0x36/0x1c0
[  276.848555]  ? zap_class+0x640/0x640
[  276.852281]  ? print_usage_bug+0xc0/0xc0
[  276.856349]  ? zap_class+0x640/0x640
[  276.860066]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.865001]  ? kasan_check_read+0x11/0x20
[  276.869149]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.874431]  ? zap_class+0x640/0x640
[  276.878148]  ? __lock_is_held+0xb5/0x140
[  276.882224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.887767]  ? check_preemption_disabled+0x48/0x280
[  276.892796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.898341]  ? check_preemption_disabled+0x48/0x280
[  276.903359]  ? __lock_is_held+0xb5/0x140
[  276.907426]  ? __this_cpu_preempt_check+0x1c/0x20
[  276.912269]  ? __mod_zone_page_state+0x8a/0xf0
[  276.916867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.922407]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  276.927628]  ? __isolate_lru_page+0x1540/0x1540
[  276.932320]  ? zap_class+0x640/0x640
[  276.936039]  ? print_usage_bug+0xc0/0xc0
[  276.940101]  ? __account_cfs_rq_runtime+0x790/0x790
[  276.945128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.950718]  ? find_held_lock+0x36/0x1c0
[  276.954783]  ? zap_class+0x640/0x640
[  276.958502]  ? print_usage_bug+0xc0/0xc0
[  276.962569]  ? mark_held_locks+0xc7/0x130
[  276.966729]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.971237]  ? zap_class+0x640/0x640
[  276.974958]  ? print_usage_bug+0xc0/0xc0
[  276.979033]  ? mark_held_locks+0xc7/0x130
[  276.983190]  ? find_held_lock+0x36/0x1c0
[  276.987264]  ? mark_held_locks+0xc7/0x130
[  276.991421]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.995924]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.000429]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.005017]  ? trace_hardirqs_on+0xbd/0x310
[  277.009343]  ? kasan_check_read+0x11/0x20
[  277.013495]  ? shrink_inactive_list+0x741/0x1c60
[  277.018259]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.023365]  ? trace_hardirqs_on+0x310/0x310
[  277.027781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.033326]  ? check_preemption_disabled+0x48/0x280
[  277.038358]  shrink_inactive_list+0x77b/0x1c60
[  277.042960]  ? putback_inactive_pages+0x27e0/0x27e0
[  277.047989]  ? kasan_check_read+0x11/0x20
[  277.052160]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  277.057439]  ? __rcu_read_unlock+0x2d6/0x2e0
[  277.061856]  ? blk_lld_busy+0x70/0x70
[  277.065657]  ? kasan_check_read+0x11/0x20
[  277.069825]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  277.074777]  shrink_node_memcg+0x78b/0x18f0
[  277.079123]  ? shrink_active_list+0x1f00/0x1f00
[  277.083804]  ? lock_downgrade+0x900/0x900
[  277.087954]  ? check_flush_dependency+0x410/0x410
[  277.092806]  ? kasan_check_read+0x11/0x20
[  277.096955]  ? do_raw_spin_unlock+0xa7/0x330
[  277.101374]  ? ___preempt_schedule+0x16/0x18
[  277.105794]  ? _raw_spin_unlock+0x3f/0x50
[  277.109958]  shrink_node+0x3bc/0x16b0
[  277.113766]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  277.119074]  ? shrink_node_memcg+0x18f0/0x18f0
[  277.123657]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.128245]  ? trace_hardirqs_on+0xbd/0x310
[  277.132612]  ? vmpressure+0x271/0x340
[  277.136422]  ? do_raw_spin_trylock+0x270/0x270
[  277.141014]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.146553]  ? __cpuset_node_allowed+0x19b/0x660
[  277.151313]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  277.157026]  ? vmpressure+0x1a2/0x340
[  277.160842]  do_try_to_free_pages+0x3e7/0x1290
[  277.165432]  ? zap_class+0x640/0x640
[  277.169164]  ? shrink_node+0x16b0/0x16b0
[  277.173229]  ? __lock_is_held+0xb5/0x140
[  277.177306]  try_to_free_pages+0x4d0/0xb90
[  277.181552]  ? do_try_to_free_pages+0x1290/0x1290
[  277.186410]  ? lock_acquire+0x1ed/0x520
[  277.190387]  ? set_page_refcounted+0x280/0x280
[  277.194980]  ? lock_release+0xa00/0xa00
[  277.198963]  ? _raw_spin_unlock_irq+0x60/0x80
[  277.203458]  ? psi_memstall_enter+0x240/0x2b0
[  277.207954]  ? psi_memstall_tick+0x230/0x230
[  277.212375]  __alloc_pages_slowpath+0xa14/0x2e10
[  277.217161]  ? warn_alloc+0x120/0x120
[  277.220960]  ? mark_held_locks+0x130/0x130
[  277.225200]  ? find_get_entry+0xaae/0x1120
[  277.229445]  ? filemap_map_pages+0x1a20/0x1a20
[  277.234036]  ? zap_class+0x640/0x640
[  277.237757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.243302]  ? check_preemption_disabled+0x48/0x280
[  277.248322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.253868]  ? should_fail+0x22d/0xd01
[  277.257763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.262876]  ? zap_class+0x640/0x640
[  277.266626]  ? __lock_is_held+0xb5/0x140
[  277.270699]  ? mark_held_locks+0x130/0x130
[  277.274941]  ? lock_release+0xa00/0xa00
[  277.278920]  ? perf_trace_sched_process_exec+0x860/0x860
[  277.284369]  ? xa_load+0x2ba/0x460
[  277.287918]  ? lock_downgrade+0x900/0x900
[  277.292071]  ? __might_sleep+0x95/0x190
[  277.296055]  __alloc_pages_nodemask+0xa80/0xde0
[  277.300736]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.305758]  ? __page_cache_alloc+0x191/0x5c0
[  277.310258]  ? xa_load+0x2e1/0x460
[  277.313800]  ? xa_clear_mark+0x40/0x40
[  277.317694]  ? zap_class+0x640/0x640
[  277.321416]  ? zap_class+0x640/0x640
[  277.325129]  ? zap_class+0x640/0x640
[  277.328866]  ? __do_page_cache_readahead+0x663/0x810
[  277.333983]  ? find_held_lock+0x36/0x1c0
[  277.338061]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  277.343623]  alloc_pages_current+0x173/0x350
[  277.348049]  __page_cache_alloc+0x38c/0x5c0
[  277.352373]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.357304]  ? kasan_check_read+0x11/0x20
[  277.361457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.366745]  ? generic_perform_write+0x6a0/0x6a0
[  277.371540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.377085]  ? check_preemption_disabled+0x48/0x280
[  277.382115]  filemap_fault+0x1595/0x25f0
[  277.386194]  ? __lock_page_or_retry+0xa00/0xa00
[  277.390876]  ? mark_held_locks+0x130/0x130
[  277.395124]  ? filemap_map_pages+0xd6b/0x1a20
[  277.399633]  ? lock_downgrade+0x900/0x900
[  277.403787]  ? check_preemption_disabled+0x48/0x280
[  277.408811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.413744]  ? kasan_check_read+0x11/0x20
[  277.417895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.423175]  ? rcu_softirq_qs+0x20/0x20
[  277.427166]  ? filemap_map_pages+0xd92/0x1a20
[  277.431679]  ? find_get_entries_tag+0x1400/0x1400
[  277.436527]  ? debug_object_destroy+0x2b0/0x2b0
[  277.441211]  ? lock_pi_update_atomic+0x150/0x150
[  277.445971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.451528]  ? lock_acquire+0x1ed/0x520
[  277.455509]  ? ext4_filemap_fault+0x7a/0xad
[  277.459863]  ? lock_release+0xa00/0xa00
[  277.463841]  ? perf_trace_sched_process_exec+0x860/0x860
[  277.469308]  ? print_usage_bug+0xc0/0xc0
[  277.473371]  ? print_usage_bug+0xc0/0xc0
[  277.477447]  ? down_read+0x8d/0x120
[  277.481079]  ? ext4_filemap_fault+0x7a/0xad
[  277.485404]  ? __down_interruptible+0x700/0x700
[  277.490086]  ext4_filemap_fault+0x82/0xad
[  277.494242]  __do_fault+0x100/0x6b0
[  277.497880]  ? find_held_lock+0x36/0x1c0
[  277.501957]  ? pmd_devmap_trans_unstable+0x220/0x220
[  277.507073]  ? mark_held_locks+0x130/0x130
[  277.511320]  ? mark_held_locks+0x130/0x130
[  277.515563]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.520069]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.524573]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.529168]  ? kasan_check_read+0x11/0x20
[  277.533320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.538873]  __handle_mm_fault+0x3ea6/0x5be0
[  277.543295]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  277.548148]  ? finish_task_switch+0x1f4/0x910
[  277.552651]  ? finish_task_switch+0x1b4/0x910
[  277.557151]  ? __switch_to_asm+0x34/0x70
[  277.561223]  ? preempt_notifier_register+0x200/0x200
[  277.566329]  ? __switch_to_asm+0x34/0x70
[  277.570394]  ? __switch_to_asm+0x34/0x70
[  277.574477]  ? zap_class+0x640/0x640
[  277.578197]  ? zap_class+0x640/0x640
[  277.581913]  ? __x64_sys_futex+0x53e/0x6a0
[  277.586155]  ? find_held_lock+0x36/0x1c0
[  277.590231]  ? handle_mm_fault+0x42a/0xc70
[  277.594472]  ? lock_downgrade+0x900/0x900
[  277.598626]  ? check_preemption_disabled+0x48/0x280
[  277.603649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.608580]  ? kasan_check_read+0x11/0x20
[  277.612742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.618028]  ? rcu_softirq_qs+0x20/0x20
[  277.622010]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.627122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.632671]  ? check_preemption_disabled+0x48/0x280
[  277.638231]  handle_mm_fault+0x54f/0xc70
[  277.642301]  ? __handle_mm_fault+0x5be0/0x5be0
[  277.646887]  ? find_vma+0x34/0x190
[  277.650438]  __do_page_fault+0x5e8/0xe60
[  277.654506]  ? trace_hardirqs_off+0xb8/0x310
[  277.658932]  do_page_fault+0xf2/0x7e0
[  277.662736]  ? vmalloc_sync_all+0x30/0x30
[  277.666893]  ? error_entry+0x70/0xd0
[  277.670621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.675641]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.680573]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.685510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.690358]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.695385]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.700848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.705880]  ? page_fault+0x8/0x30
[  277.709436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.714285]  ? page_fault+0x8/0x30
[  277.717829]  page_fault+0x1e/0x30
[  277.721290] RIP: 0033:0x40f9c0
[  277.724498] Code: Bad RIP value.
[  277.727867] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  277.733231] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  277.740503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  277.747973] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  277.755245] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  277.762513] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  277.770026] warn_alloc_show_mem: 1 callbacks suppressed
[  277.770038] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  277.770039] Mem-Info:
[  277.770071] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  277.770071]  active_file:14 inactive_file:15 isolated_file:0
[  277.770071]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.770071]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  277.770071]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  277.770071]  free:13731 free_pcp:182 free_cma:0
[  277.775413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.782345] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.784741] Call Trace:
[  277.818043] 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
[  277.827395]  <IRQ>
[  277.855239] lowmem_reserve[]: 0 2818 6321 6321
[  277.857826]  dump_stack+0x244/0x39d
[  277.883916] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  277.886070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.890617] lowmem_reserve[]: 0 0 3503 3503
[  277.894247]  warn_alloc.cold.116+0xb7/0x1bd
[  277.922005] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  277.927202]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.931501] lowmem_reserve[]: 0 0 0 0
[  277.935862]  ? lock_downgrade+0x900/0x900
[  277.964824] 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
[  277.969676]  ? trace_hardirqs_off+0xb8/0x310
[  277.973441] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  277.977586]  ? trace_hardirqs_off+0xb8/0x310
[  277.991100] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  277.995517]  __alloc_pages_slowpath+0x26e8/0x2e10
[  278.010669] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.015097]  ? warn_alloc+0x120/0x120
[  278.030406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.035243]  ? print_usage_bug+0xc0/0xc0
[  278.044050] 2704 total pagecache pages
[  278.047847]  ? warn_alloc+0x120/0x120
[  278.056408] 0 pages in swap cache
[  278.060462]  ? warn_alloc+0x120/0x120
[  278.064328] Swap cache stats: add 0, delete 0, find 0/0
[  278.068122]  ? print_usage_bug+0xc0/0xc0
[  278.071553] Free swap  = 0kB
[  278.075357]  ? kvm_clock_read+0x18/0x30
[  278.080690] Total swap = 0kB
[  278.084754]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.087741] 1965979 pages RAM
[  278.091712]  ? print_usage_bug+0xc0/0xc0
[  278.094718] 0 pages HighMem/MovableOnly
[  278.099736]  ? __lock_acquire+0x62f/0x4c20
[  278.102820] 342858 pages reserved
[  278.106884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.110830] 0 pages cma reserved
[  278.115062]  ? should_fail+0x22d/0xd01
[  278.118551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.124020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.124041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.127492] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.131271]  ? __lock_acquire+0x62f/0x4c20
[  278.137742] syz-fuzzer cpuset=/ mems_allowed=0
[  278.143025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.172222]  ? __lock_acquire+0x62f/0x4c20
[  278.176463]  ? should_fail+0x22d/0xd01
[  278.180356]  ? rcu_irq_exit+0x1a2/0x390
[  278.184346]  ? mark_held_locks+0x130/0x130
[  278.188603]  ? mark_held_locks+0x130/0x130
[  278.192847]  ? mark_held_locks+0xc7/0x130
[  278.197002]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  278.202024]  ? zap_class+0x640/0x640
[  278.205741]  ? print_usage_bug+0xc0/0xc0
[  278.209809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.215357]  ? check_preemption_disabled+0x48/0x280
[  278.220392]  ? __lock_is_held+0xb5/0x140
[  278.224461]  __alloc_pages_nodemask+0xa80/0xde0
[  278.229135]  ? zap_class+0x640/0x640
[  278.232860]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.237894]  ? find_held_lock+0x36/0x1c0
[  278.241969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.246642]  ? lock_downgrade+0x900/0x900
[  278.250803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.256361]  cache_grow_begin+0xa5/0x8c0
[  278.260431]  ? do_raw_spin_unlock+0xa7/0x330
[  278.264853]  fallback_alloc+0x204/0x2e0
[  278.268838]  ____cache_alloc_node+0x1c7/0x1e0
[  278.273344]  kmem_cache_alloc_node+0xe3/0x730
[  278.277851]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.282098]  __alloc_skb+0x119/0x770
[  278.285817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.291104]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.295518]  ? lock_downgrade+0x900/0x900
[  278.299679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.305221]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.310677]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.316132]  ? addrconf_rs_timer+0x690/0x690
[  278.320555]  ndisc_alloc_skb+0x144/0x340
[  278.324638]  ndisc_send_rs+0x331/0x6e0
[  278.328533]  addrconf_rs_timer+0x314/0x690
[  278.332782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.337034]  call_timer_fn+0x272/0x920
[  278.340929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.345173]  ? process_timeout+0x40/0x40
[  278.349245]  ? __run_timers+0x7da/0xc70
[  278.353227]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.357726]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.362230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.366475]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.371066]  ? trace_hardirqs_on+0xbd/0x310
[  278.375394]  ? kasan_check_read+0x11/0x20
[  278.379546]  ? __run_timers+0x7da/0xc70
[  278.383529]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.388644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.392886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.397125]  __run_timers+0x7e5/0xc70
[  278.400942]  ? timer_fixup_init+0x70/0x70
[  278.405100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.410125]  ? zap_class+0x640/0x640
[  278.413849]  ? enqueue_hrtimer+0x1a5/0x560
[  278.418088]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.423287]  ? find_held_lock+0x36/0x1c0
[  278.427365]  ? zap_class+0x640/0x640
[  278.431090]  ? pvclock_read_flags+0x160/0x160
[  278.435598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.441146]  ? check_preemption_disabled+0x48/0x280
[  278.446175]  ? __lock_is_held+0xb5/0x140
[  278.450239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.455786]  ? check_preemption_disabled+0x48/0x280
[  278.460814]  run_timer_softirq+0x52/0xb0
[  278.464881]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.469906]  __do_softirq+0x308/0xb7e
[  278.473713]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.478210]  ? lock_downgrade+0x900/0x900
[  278.482374]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.487488]  ? pvclock_read_flags+0x160/0x160
[  278.491987]  ? lapic_next_event+0x5a/0x90
[  278.496142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.501691]  ? kvm_clock_read+0x18/0x30
[  278.505673]  ? kvm_sched_clock_read+0x9/0x20
[  278.510092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.515634]  ? check_preemption_disabled+0x48/0x280
[  278.520664]  irq_exit+0x17f/0x1c0
[  278.524174]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.529022]  ? smp_reschedule_interrupt+0x109/0x650
[  278.534044]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.539932]  ? interrupt_entry+0xb5/0xc0
[  278.544002]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.549019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.554051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.558897]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.563919]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.568941]  ? task_prio+0x50/0x50
[  278.572490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.578034]  ? check_preemption_disabled+0x48/0x280
[  278.583062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.587917]  apic_timer_interrupt+0xf/0x20
[  278.592145]  </IRQ>
[  278.594385] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  278.599319] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  278.618230] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  278.625939] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  278.633225] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  278.640493] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  278.647760] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  278.655035] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  278.662350]  skb_clone+0x1bb/0x500
[  278.665928]  ? finish_task_switch+0x1b4/0x910
[  278.670431]  ? skb_split+0x11e0/0x11e0
[  278.674322]  ? preempt_notifier_register+0x200/0x200
[  278.679436]  ? __switch_to_asm+0x34/0x70
[  278.683497]  ? __switch_to_asm+0x34/0x70
[  278.687563]  ? __switch_to_asm+0x40/0x70
[  278.691632]  ? __switch_to_asm+0x34/0x70
[  278.695696]  ? __switch_to_asm+0x40/0x70
[  278.699763]  ? __switch_to_asm+0x34/0x70
[  278.703824]  ? __switch_to_asm+0x40/0x70
[  278.707885]  ? __switch_to_asm+0x34/0x70
[  278.711950]  ? __switch_to_asm+0x34/0x70
[  278.716014]  ? __switch_to_asm+0x40/0x70
[  278.720077]  ? __switch_to_asm+0x34/0x70
[  278.724147]  bpf_clone_redirect+0xb9/0x490
[  278.728389]  ? __schedule+0x8d7/0x21d0
[  278.732287]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  278.737311]  ? __sched_text_start+0x8/0x8
[  278.741468]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.746241]  ? find_held_lock+0x36/0x1c0
[  278.750319]  ? lock_acquire+0x1ed/0x520
[  278.754301]  ? bpf_test_run+0x3cb/0x780
[  278.758280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.763829]  ? check_preemption_disabled+0x48/0x280
[  278.769374]  ? kasan_check_read+0x11/0x20
[  278.773530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.778830]  ? rcu_softirq_qs+0x20/0x20
[  278.782812]  ? preempt_schedule+0x4d/0x60
[  278.786964]  ? ___preempt_schedule+0x16/0x18
[  278.791386]  ? bpf_test_run+0x25d/0x780
[  278.795378]  ? netlink_diag_dump+0x2a0/0x2a0
[  278.799798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.805349]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  278.810126]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  278.814973]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  278.820514]  ? fput+0x130/0x1a0
[  278.823802]  ? __bpf_prog_get+0x9b/0x290
[  278.827873]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  278.832722]  ? bpf_prog_test_run+0x130/0x1a0
[  278.837145]  ? __x64_sys_bpf+0x3d8/0x520
[  278.841210]  ? bpf_prog_get+0x20/0x20
[  278.845034]  ? do_syscall_64+0x1b9/0x820
[  278.849105]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  278.854483]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.859421]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.864441]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  278.869462]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  278.876135]  ? __switch_to_asm+0x40/0x70
[  278.880197]  ? __switch_to_asm+0x34/0x70
[  278.884270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.889129]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  278.894516] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  278.894588] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.901104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.901110] Call Trace:
[  278.901117]  <IRQ>
[  278.901136]  dump_stack+0x244/0x39d
[  278.901154]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.901181]  warn_alloc.cold.116+0xb7/0x1bd
[  278.907929] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.917021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.919587] syz-executor1 cpuset=syz1 mems_allowed=0
[  278.921741]  ? lock_downgrade+0x900/0x900
[  278.959395]  ? trace_hardirqs_off+0xb8/0x310
[  278.963813]  ? trace_hardirqs_off+0xb8/0x310
[  278.968235]  __alloc_pages_slowpath+0x26e8/0x2e10
[  278.973109]  ? warn_alloc+0x120/0x120
[  278.976925]  ? print_usage_bug+0xc0/0xc0
[  278.980997]  ? warn_alloc+0x120/0x120
[  278.984809]  ? warn_alloc+0x120/0x120
[  278.988627]  ? print_usage_bug+0xc0/0xc0
[  278.992698]  ? kvm_clock_read+0x18/0x30
[  278.996684]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  279.001716]  ? print_usage_bug+0xc0/0xc0
[  279.005791]  ? __lock_acquire+0x62f/0x4c20
[  279.010040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.015583]  ? should_fail+0x22d/0xd01
[  279.019499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.024793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.029908]  ? __lock_acquire+0x62f/0x4c20
[  279.034155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.039261]  ? __lock_acquire+0x62f/0x4c20
[  279.043506]  ? should_fail+0x22d/0xd01
[  279.047393]  ? rcu_irq_exit+0x1a2/0x390
[  279.051382]  ? mark_held_locks+0x130/0x130
[  279.055635]  ? mark_held_locks+0x130/0x130
[  279.059890]  ? mark_held_locks+0xc7/0x130
[  279.064046]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  279.069076]  ? zap_class+0x640/0x640
[  279.072794]  ? print_usage_bug+0xc0/0xc0
[  279.076874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.082430]  ? check_preemption_disabled+0x48/0x280
[  279.087471]  ? __lock_is_held+0xb5/0x140
[  279.091571]  __alloc_pages_nodemask+0xa80/0xde0
[  279.096258]  ? zap_class+0x640/0x640
[  279.099984]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  279.105024]  ? find_held_lock+0x36/0x1c0
[  279.109098]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.113774]  ? lock_downgrade+0x900/0x900
[  279.117938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.123489]  cache_grow_begin+0xa5/0x8c0
[  279.127565]  ? do_raw_spin_unlock+0xa7/0x330
[  279.131996]  fallback_alloc+0x204/0x2e0
[  279.135993]  ____cache_alloc_node+0x1c7/0x1e0
[  279.140498]  kmem_cache_alloc_node+0xe3/0x730
[  279.144999]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.149250]  __alloc_skb+0x119/0x770
[  279.152970]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.158268]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.162692]  ? lock_downgrade+0x900/0x900
[  279.166863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.172410]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.177878]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.183341]  ? addrconf_rs_timer+0x690/0x690
[  279.187769]  ndisc_alloc_skb+0x144/0x340
[  279.191857]  ndisc_send_rs+0x331/0x6e0
[  279.195760]  addrconf_rs_timer+0x314/0x690
[  279.200007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.204259]  call_timer_fn+0x272/0x920
[  279.208155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.212402]  ? process_timeout+0x40/0x40
[  279.216481]  ? mark_held_locks+0xc7/0x130
[  279.220637]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.225138]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.229639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.233890]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.238496]  ? trace_hardirqs_on+0xbd/0x310
[  279.242823]  ? kasan_check_read+0x11/0x20
[  279.246978]  ? __run_timers+0x7da/0xc70
[  279.250960]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.256079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.260326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.264567]  __run_timers+0x7e5/0xc70
[  279.268404]  ? timer_fixup_init+0x70/0x70
[  279.272568]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.277611]  ? zap_class+0x640/0x640
[  279.281338]  ? print_usage_bug+0xc0/0xc0
[  279.285410]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.290633]  ? find_held_lock+0x36/0x1c0
[  279.294711]  ? zap_class+0x640/0x640
[  279.298440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.303988]  ? check_preemption_disabled+0x48/0x280
[  279.309042]  ? __lock_is_held+0xb5/0x140
[  279.313116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.318666]  ? check_preemption_disabled+0x48/0x280
[  279.323696]  run_timer_softirq+0x52/0xb0
[  279.327762]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.332783]  __do_softirq+0x308/0xb7e
[  279.336601]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.341100]  ? lock_downgrade+0x900/0x900
[  279.345258]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.350374]  ? pvclock_read_flags+0x160/0x160
[  279.354885]  ? lapic_next_event+0x5a/0x90
[  279.359042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.364600]  ? kvm_clock_read+0x18/0x30
[  279.368585]  ? kvm_sched_clock_read+0x9/0x20
[  279.373014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.378560]  ? check_preemption_disabled+0x48/0x280
[  279.383614]  irq_exit+0x17f/0x1c0
[  279.387080]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.391927]  ? smp_reschedule_interrupt+0x109/0x650
[  279.396955]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.402850]  ? interrupt_entry+0xb5/0xc0
[  279.406929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.411951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.416979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.421835]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.426864]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.431892]  ? task_prio+0x50/0x50
[  279.435436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.440980]  ? check_preemption_disabled+0x48/0x280
[  279.446008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.450875]  apic_timer_interrupt+0xf/0x20
[  279.455109]  </IRQ>
[  279.457355] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  279.463515] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  279.482432] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  279.490156] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  279.497436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  279.504716] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  279.511997] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  279.519278] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  279.526586]  ? unlock_page+0x25d/0x4c0
[  279.530500]  unlock_page+0x25d/0x4c0
[  279.534226]  ? wake_up_page_bit+0x6f0/0x6f0
[  279.538556]  ? shrink_page_list+0x7e68/0xccd0
[  279.543074]  ? shrink_page_list+0x7e68/0xccd0
[  279.547581]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.552214]  ? shrink_inactive_list+0x77b/0x1c60
[  279.556978]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.562090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.567645]  ? check_preemption_disabled+0x48/0x280
[  279.572680]  ? shrink_page_list+0x145c/0xccd0
[  279.577196]  shrink_page_list+0x3714/0xccd0
[  279.581554]  ? page_evictable+0x540/0x540
[  279.585902]  ? rb_erase_cached+0xc78/0x3720
[  279.590235]  ? rb_erase_cached+0xc78/0x3720
[  279.594575]  ? rb_next+0x140/0x140
[  279.598140]  ? rb_next+0x140/0x140
[  279.601695]  ? rb_next+0x140/0x140
[  279.605327]  ? zap_class+0x640/0x640
[  279.609050]  ? zap_class+0x640/0x640
[  279.612766]  ? zap_class+0x640/0x640
[  279.616488]  ? zap_class+0x640/0x640
[  279.620204]  ? __update_load_avg_se+0x5eb/0xae0
[  279.624886]  ? __update_load_avg_blocked_se+0x690/0x690
[  279.630265]  ? __update_load_avg_se+0xae0/0xae0
[  279.634953]  ? zap_class+0x640/0x640
[  279.639200]  ? update_load_avg+0x387/0x2470
[  279.643537]  ? attach_entity_load_avg+0x860/0x860
[  279.648394]  ? update_load_avg+0x387/0x2470
[  279.652728]  ? attach_entity_load_avg+0x860/0x860
[  279.657634]  ? attach_entity_load_avg+0x860/0x860
[  279.662488]  ? attach_entity_load_avg+0x860/0x860
[  279.667342]  ? rb_erase+0x3710/0x3710
[  279.671151]  ? rb_erase+0x3710/0x3710
[  279.674970]  ? rb_erase+0x3710/0x3710
[  279.678783]  ? rb_erase+0x3710/0x3710
[  279.682622]  ? rb_erase+0x3710/0x3710
[  279.686436]  ? __lock_acquire+0x62f/0x4c20
[  279.690690]  ? zap_class+0x640/0x640
[  279.694407]  ? print_usage_bug+0xc0/0xc0
[  279.698470]  ? zap_class+0x640/0x640
[  279.702184]  ? zap_class+0x640/0x640
[  279.705903]  ? print_usage_bug+0xc0/0xc0
[  279.709975]  ? print_usage_bug+0xc0/0xc0
[  279.714040]  ? zap_class+0x640/0x640
[  279.717755]  ? __lock_is_held+0xb5/0x140
[  279.721835]  ? print_usage_bug+0xc0/0xc0
[  279.725915]  ? __lock_acquire+0x62f/0x4c20
[  279.730160]  ? mark_held_locks+0x130/0x130
[  279.734397]  ? print_usage_bug+0xc0/0xc0
[  279.738470]  ? rb_erase_cached+0xc78/0x3720
[  279.742807]  ? rb_next+0x140/0x140
[  279.746357]  ? rb_next+0x140/0x140
[  279.749904]  ? __lock_acquire+0x62f/0x4c20
[  279.754147]  ? __lock_acquire+0x62f/0x4c20
[  279.758384]  ? rcu_note_context_switch+0x12ad/0x2150
[  279.763490]  ? print_usage_bug+0xc0/0xc0
[  279.767569]  ? mark_held_locks+0x130/0x130
[  279.771985]  ? zap_class+0x640/0x640
[  279.775707]  ? print_usage_bug+0xc0/0xc0
[  279.779772]  ? put_dec+0x3b/0xf0
[  279.783160]  ? rb_next+0x140/0x140
[  279.786705]  ? __lock_acquire+0x62f/0x4c20
[  279.790948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.796496]  ? check_preemption_disabled+0x48/0x280
[  279.801529]  ? print_usage_bug+0xc0/0xc0
[  279.805613]  ? rb_erase_cached+0xc78/0x3720
[  279.809948]  ? rb_next+0x140/0x140
[  279.813500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.819044]  ? __isolate_lru_page+0xd05/0x1540
[  279.823646]  ? print_usage_bug+0xc0/0xc0
[  279.827714]  ? mark_held_locks+0x130/0x130
[  279.831951]  ? zap_class+0x640/0x640
[  279.835667]  ? update_load_avg+0x13b8/0x2470
[  279.840088]  ? print_usage_bug+0xc0/0xc0
[  279.844155]  ? zap_class+0x640/0x640
[  279.847878]  ? __lock_acquire+0x62f/0x4c20
[  279.852122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.857665]  ? check_preemption_disabled+0x48/0x280
[  279.862692]  ? __update_load_avg_blocked_se+0x690/0x690
[  279.868063]  ? __update_load_avg_se+0xae0/0xae0
[  279.872732]  ? zap_class+0x640/0x640
[  279.876461]  ? update_load_avg+0x387/0x2470
[  279.880798]  ? attach_entity_load_avg+0x860/0x860
[  279.885649]  ? update_load_avg+0x387/0x2470
[  279.889979]  ? attach_entity_load_avg+0x860/0x860
[  279.894827]  ? attach_entity_load_avg+0x860/0x860
[  279.899684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.905229]  ? __isolate_lru_page+0xd05/0x1540
[  279.909818]  ? putback_lru_page+0x280/0x280
[  279.914149]  ? rb_erase+0x3710/0x3710
[  279.917963]  ? mark_held_locks+0x130/0x130
[  279.922206]  ? cpuacct_charge+0x265/0x440
[  279.926361]  ? find_held_lock+0x36/0x1c0
[  279.930436]  ? zap_class+0x640/0x640
[  279.934152]  ? print_usage_bug+0xc0/0xc0
[  279.938216]  ? zap_class+0x640/0x640
[  279.941947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.946884]  ? kasan_check_read+0x11/0x20
[  279.951039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.956327]  ? zap_class+0x640/0x640
[  279.960044]  ? __lock_is_held+0xb5/0x140
[  279.964113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.969655]  ? check_preemption_disabled+0x48/0x280
[  279.974683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.980224]  ? check_preemption_disabled+0x48/0x280
[  279.985244]  ? __lock_is_held+0xb5/0x140
[  279.989313]  ? __this_cpu_preempt_check+0x1c/0x20
[  279.994159]  ? __mod_zone_page_state+0x8a/0xf0
[  279.998749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.004291]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  280.009507]  ? __isolate_lru_page+0x1540/0x1540
[  280.014194]  ? zap_class+0x640/0x640
[  280.017911]  ? print_usage_bug+0xc0/0xc0
[  280.021974]  ? __account_cfs_rq_runtime+0x790/0x790
[  280.026998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.032544]  ? find_held_lock+0x36/0x1c0
[  280.036617]  ? zap_class+0x640/0x640
[  280.040335]  ? print_usage_bug+0xc0/0xc0
[  280.044427]  ? mark_held_locks+0xc7/0x130
[  280.048623]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.053132]  ? zap_class+0x640/0x640
[  280.056850]  ? print_usage_bug+0xc0/0xc0
[  280.060927]  ? mark_held_locks+0xc7/0x130
[  280.065090]  ? find_held_lock+0x36/0x1c0
[  280.069196]  ? mark_held_locks+0xc7/0x130
[  280.073352]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.077847]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.082351]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.086942]  ? trace_hardirqs_on+0xbd/0x310
[  280.091268]  ? kasan_check_read+0x11/0x20
[  280.095422]  ? shrink_inactive_list+0x741/0x1c60
[  280.100186]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.105295]  ? trace_hardirqs_on+0x310/0x310
[  280.109715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.115255]  ? check_preemption_disabled+0x48/0x280
[  280.120295]  shrink_inactive_list+0x77b/0x1c60
[  280.124982]  ? putback_inactive_pages+0x27e0/0x27e0
[  280.130006]  ? kasan_check_read+0x11/0x20
[  280.134157]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  280.139437]  ? __rcu_read_unlock+0x2d6/0x2e0
[  280.143849]  ? blk_lld_busy+0x70/0x70
[  280.147657]  ? kasan_check_read+0x11/0x20
[  280.151821]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  280.156768]  shrink_node_memcg+0x78b/0x18f0
[  280.161113]  ? shrink_active_list+0x1f00/0x1f00
[  280.165802]  ? lock_downgrade+0x900/0x900
[  280.169952]  ? check_flush_dependency+0x410/0x410
[  280.174802]  ? kasan_check_read+0x11/0x20
[  280.178955]  ? do_raw_spin_unlock+0xa7/0x330
[  280.183369]  ? ___preempt_schedule+0x16/0x18
[  280.187789]  ? _raw_spin_unlock+0x3f/0x50
[  280.191947]  shrink_node+0x3bc/0x16b0
[  280.195754]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  280.201062]  ? shrink_node_memcg+0x18f0/0x18f0
[  280.205650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.210236]  ? trace_hardirqs_on+0xbd/0x310
[  280.214561]  ? vmpressure+0x271/0x340
[  280.218379]  ? do_raw_spin_trylock+0x270/0x270
[  280.222978]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.228524]  ? __cpuset_node_allowed+0x19b/0x660
[  280.233287]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  280.239002]  ? vmpressure+0x1a2/0x340
[  280.242819]  do_try_to_free_pages+0x3e7/0x1290
[  280.247411]  ? zap_class+0x640/0x640
[  280.251147]  ? shrink_node+0x16b0/0x16b0
[  280.255211]  ? __lock_is_held+0xb5/0x140
[  280.259290]  try_to_free_pages+0x4d0/0xb90
[  280.263531]  ? do_try_to_free_pages+0x1290/0x1290
[  280.268393]  ? lock_acquire+0x1ed/0x520
[  280.272368]  ? set_page_refcounted+0x280/0x280
[  280.276963]  ? lock_release+0xa00/0xa00
[  280.280946]  ? _raw_spin_unlock_irq+0x60/0x80
[  280.285442]  ? psi_memstall_enter+0x240/0x2b0
[  280.289939]  ? psi_memstall_tick+0x230/0x230
[  280.294366]  __alloc_pages_slowpath+0xa14/0x2e10
[  280.299163]  ? warn_alloc+0x120/0x120
[  280.302967]  ? mark_held_locks+0x130/0x130
[  280.307212]  ? find_get_entry+0xaae/0x1120
[  280.311459]  ? filemap_map_pages+0x1a20/0x1a20
[  280.316060]  ? zap_class+0x640/0x640
[  280.319788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.325333]  ? check_preemption_disabled+0x48/0x280
[  280.330356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.335899]  ? should_fail+0x22d/0xd01
[  280.339796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.344912]  ? zap_class+0x640/0x640
[  280.348659]  ? __lock_is_held+0xb5/0x140
[  280.352731]  ? mark_held_locks+0x130/0x130
[  280.356976]  ? lock_release+0xa00/0xa00
[  280.360957]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.366415]  ? xa_load+0x2ba/0x460
[  280.369962]  ? lock_downgrade+0x900/0x900
[  280.374122]  ? __might_sleep+0x95/0x190
[  280.378110]  __alloc_pages_nodemask+0xa80/0xde0
[  280.382792]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.387815]  ? __page_cache_alloc+0x191/0x5c0
[  280.392310]  ? xa_load+0x2e1/0x460
[  280.395858]  ? xa_clear_mark+0x40/0x40
[  280.399796]  ? zap_class+0x640/0x640
[  280.403523]  ? zap_class+0x640/0x640
[  280.407244]  ? zap_class+0x640/0x640
[  280.410966]  ? __do_page_cache_readahead+0x663/0x810
[  280.416080]  ? find_held_lock+0x36/0x1c0
[  280.420152]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.425790]  alloc_pages_current+0x173/0x350
[  280.430218]  __page_cache_alloc+0x38c/0x5c0
[  280.434545]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.439481]  ? kasan_check_read+0x11/0x20
[  280.443638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.448927]  ? generic_perform_write+0x6a0/0x6a0
[  280.453707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.459273]  ? check_preemption_disabled+0x48/0x280
[  280.464322]  filemap_fault+0x1595/0x25f0
[  280.468434]  ? __lock_page_or_retry+0xa00/0xa00
[  280.473129]  ? mark_held_locks+0x130/0x130
[  280.477380]  ? filemap_map_pages+0xd6b/0x1a20
[  280.481886]  ? lock_downgrade+0x900/0x900
[  280.486039]  ? check_preemption_disabled+0x48/0x280
[  280.491066]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.496006]  ? kasan_check_read+0x11/0x20
[  280.500162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.505449]  ? rcu_softirq_qs+0x20/0x20
[  280.509444]  ? filemap_map_pages+0xd92/0x1a20
[  280.513960]  ? find_get_entries_tag+0x1400/0x1400
[  280.518827]  ? debug_object_destroy+0x2b0/0x2b0
[  280.523511]  ? lock_pi_update_atomic+0x150/0x150
[  280.528269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.533839]  ? lock_acquire+0x1ed/0x520
[  280.537831]  ? ext4_filemap_fault+0x7a/0xad
[  280.542175]  ? lock_release+0xa00/0xa00
[  280.546157]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.551655]  ? print_usage_bug+0xc0/0xc0
[  280.555724]  ? print_usage_bug+0xc0/0xc0
[  280.559800]  ? down_read+0x8d/0x120
[  280.563429]  ? ext4_filemap_fault+0x7a/0xad
[  280.567763]  ? __down_interruptible+0x700/0x700
[  280.572455]  ext4_filemap_fault+0x82/0xad
[  280.576625]  __do_fault+0x100/0x6b0
[  280.580253]  ? find_held_lock+0x36/0x1c0
[  280.584322]  ? pmd_devmap_trans_unstable+0x220/0x220
[  280.589430]  ? mark_held_locks+0x130/0x130
[  280.593669]  ? mark_held_locks+0x130/0x130
[  280.597906]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.602409]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.606912]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.611502]  ? kasan_check_read+0x11/0x20
[  280.615661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.621210]  __handle_mm_fault+0x3ea6/0x5be0
[  280.625639]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  280.630491]  ? finish_task_switch+0x1f4/0x910
[  280.634989]  ? finish_task_switch+0x1b4/0x910
[  280.639487]  ? __switch_to_asm+0x34/0x70
[  280.643555]  ? preempt_notifier_register+0x200/0x200
[  280.648664]  ? __switch_to_asm+0x34/0x70
[  280.652727]  ? __switch_to_asm+0x34/0x70
[  280.656807]  ? zap_class+0x640/0x640
[  280.660524]  ? zap_class+0x640/0x640
[  280.664242]  ? __x64_sys_futex+0x53e/0x6a0
[  280.668484]  ? find_held_lock+0x36/0x1c0
[  280.672558]  ? handle_mm_fault+0x42a/0xc70
[  280.676805]  ? lock_downgrade+0x900/0x900
[  280.680959]  ? check_preemption_disabled+0x48/0x280
[  280.685979]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.690912]  ? kasan_check_read+0x11/0x20
[  280.695061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.700343]  ? rcu_softirq_qs+0x20/0x20
[  280.704323]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.709437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.714984]  ? check_preemption_disabled+0x48/0x280
[  280.720019]  handle_mm_fault+0x54f/0xc70
[  280.724095]  ? __handle_mm_fault+0x5be0/0x5be0
[  280.728683]  ? find_vma+0x34/0x190
[  280.732234]  __do_page_fault+0x5e8/0xe60
[  280.736299]  ? trace_hardirqs_off+0xb8/0x310
[  280.740720]  do_page_fault+0xf2/0x7e0
[  280.744522]  ? vmalloc_sync_all+0x30/0x30
[  280.748688]  ? error_entry+0x70/0xd0
[  280.752408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.757425]  ? trace_hardirqs_on_caller+0xc0/0x310
[  280.762355]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.767291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.772140]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.777162]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.782631]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.787650]  ? page_fault+0x8/0x30
[  280.791197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.796049]  ? page_fault+0x8/0x30
[  280.799604]  page_fault+0x1e/0x30
[  280.803060] RIP: 0033:0x40f9c0
[  280.806273] Code: Bad RIP value.
[  280.809641] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  280.815011] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  280.822295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  280.829564] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  280.836840] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  280.844112] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  280.851406] warn_alloc_show_mem: 1 callbacks suppressed
[  280.851417] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  280.851419] Mem-Info:
[  280.851450] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  280.851450]  active_file:14 inactive_file:15 isolated_file:0
[  280.851450]  unevictable:0 dirty:0 writeback:0 unstable:0
[  280.851450]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  280.851450]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  280.851450]  free:13731 free_pcp:182 free_cma:0
[  280.856793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.863726] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  280.866154] Call Trace:
[  280.899219] 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
[  280.908570]  <IRQ>
[  280.936412] lowmem_reserve[]: 0 2818 6321 6321
[  280.938999]  dump_stack+0x244/0x39d
[  280.965080] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  280.967230]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.971779] lowmem_reserve[]: 0 0 3503 3503
[  280.975410]  warn_alloc.cold.116+0xb7/0x1bd
[  281.003148] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  281.008348]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.012635] lowmem_reserve[]: 0 0 0 0
[  281.016957]  ? lock_downgrade+0x900/0x900
[  281.045916] 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
[  281.050767]  ? trace_hardirqs_off+0xb8/0x310
[  281.054535] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  281.058678]  ? trace_hardirqs_off+0xb8/0x310
[  281.072182] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  281.076612]  __alloc_pages_slowpath+0x26e8/0x2e10
[  281.091762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.096187]  ? warn_alloc+0x120/0x120
[  281.111490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.116326]  ? warn_alloc+0x120/0x120
[  281.125134] 2704 total pagecache pages
[  281.128929]  ? warn_alloc+0x120/0x120
[  281.137485] 0 pages in swap cache
[  281.141277]  ? print_usage_bug+0xc0/0xc0
[  281.145159] Swap cache stats: add 0, delete 0, find 0/0
[  281.148948]  ? idle_cpu+0x1d0/0x1d0
[  281.152382] Free swap  = 0kB
[  281.156436]  ? kvm_sched_clock_read+0x9/0x20
[  281.161777] Total swap = 0kB
[  281.165396]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  281.168389] 1965979 pages RAM
[  281.172794]  ? print_usage_bug+0xc0/0xc0
[  281.175782] 0 pages HighMem/MovableOnly
[  281.175792] 342858 pages reserved
[  281.180804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.183883] 0 pages cma reserved
[  281.187938]  ? should_fail+0x22d/0xd01
[  281.191952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.195334]  ? __lock_acquire+0x62f/0x4c20
[  281.195350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.195373]  ? __lock_acquire+0x62f/0x4c20
[  281.200950] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.204250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.208115] syz-fuzzer cpuset=/ mems_allowed=0
[  281.214611]  ? __lock_acquire+0x62f/0x4c20
[  281.252214]  ? should_fail+0x22d/0xd01
[  281.256119]  ? mark_held_locks+0x130/0x130
[  281.260367]  ? mark_held_locks+0x130/0x130
[  281.264630]  ? try_to_wake_up+0x11c/0x1490
[  281.268872]  ? lock_downgrade+0x900/0x900
[  281.273028]  ? zap_class+0x640/0x640
[  281.276745]  ? print_usage_bug+0xc0/0xc0
[  281.280812]  ? trace_hardirqs_off+0xb8/0x310
[  281.285221]  ? kasan_check_read+0x11/0x20
[  281.289379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.294919]  ? check_preemption_disabled+0x48/0x280
[  281.299949]  ? __lock_is_held+0xb5/0x140
[  281.304021]  __alloc_pages_nodemask+0xa80/0xde0
[  281.308692]  ? zap_class+0x640/0x640
[  281.312413]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.317441]  ? find_held_lock+0x36/0x1c0
[  281.321513]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.326190]  ? lock_downgrade+0x900/0x900
[  281.330358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.335903]  cache_grow_begin+0xa5/0x8c0
[  281.340025]  ? do_raw_spin_unlock+0xa7/0x330
[  281.344446]  fallback_alloc+0x204/0x2e0
[  281.348469]  ____cache_alloc_node+0x1c7/0x1e0
[  281.352978]  kmem_cache_alloc_node+0xe3/0x730
[  281.357474]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.361718]  __alloc_skb+0x119/0x770
[  281.365435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.370717]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.375131]  ? lock_downgrade+0x900/0x900
[  281.379290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.384828]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.390282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.395734]  ? addrconf_rs_timer+0x690/0x690
[  281.400154]  ndisc_alloc_skb+0x144/0x340
[  281.404221]  ndisc_send_rs+0x331/0x6e0
[  281.408119]  addrconf_rs_timer+0x314/0x690
[  281.412369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.416627]  call_timer_fn+0x272/0x920
[  281.420517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.424759]  ? process_timeout+0x40/0x40
[  281.428829]  ? __run_timers+0x7da/0xc70
[  281.432812]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.437308]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.441806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.446043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.450636]  ? trace_hardirqs_on+0xbd/0x310
[  281.454963]  ? kasan_check_read+0x11/0x20
[  281.459111]  ? __run_timers+0x7da/0xc70
[  281.463089]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.468204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.472443]  __run_timers+0x7e5/0xc70
[  281.476254]  ? timer_fixup_init+0x70/0x70
[  281.480409]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  281.485428]  ? zap_class+0x640/0x640
[  281.489150]  ? enqueue_hrtimer+0x1a5/0x560
[  281.493392]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  281.498602]  ? find_held_lock+0x36/0x1c0
[  281.502674]  ? zap_class+0x640/0x640
[  281.506394]  ? pvclock_read_flags+0x160/0x160
[  281.510897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.516441]  ? check_preemption_disabled+0x48/0x280
[  281.521491]  ? __lock_is_held+0xb5/0x140
[  281.525557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.531107]  ? check_preemption_disabled+0x48/0x280
[  281.536133]  run_timer_softirq+0x52/0xb0
[  281.540203]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.545222]  __do_softirq+0x308/0xb7e
[  281.549033]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  281.553532]  ? lock_downgrade+0x900/0x900
[  281.557689]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.562803]  ? pvclock_read_flags+0x160/0x160
[  281.567308]  ? lapic_next_event+0x5a/0x90
[  281.571461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.577006]  ? kvm_clock_read+0x18/0x30
[  281.580986]  ? kvm_sched_clock_read+0x9/0x20
[  281.585400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.590948]  ? check_preemption_disabled+0x48/0x280
[  281.595981]  irq_exit+0x17f/0x1c0
[  281.599443]  smp_apic_timer_interrupt+0x1cb/0x760
[  281.604296]  ? smp_reschedule_interrupt+0x109/0x650
[  281.609320]  ? smp_call_function_single_interrupt+0x650/0x650
[  281.615217]  ? interrupt_entry+0xb5/0xc0
[  281.619281]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.624303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.629324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.634177]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.639452]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.644471]  ? task_prio+0x50/0x50
[  281.648016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.653555]  ? check_preemption_disabled+0x48/0x280
[  281.658578]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.663445]  apic_timer_interrupt+0xf/0x20
[  281.667675]  </IRQ>
[  281.669918] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  281.674853] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  281.693773] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  281.701490] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  281.708760] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  281.716032] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  281.723304] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  281.730575] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  281.737903]  skb_clone+0x1bb/0x500
[  281.741455]  ? finish_task_switch+0x1b4/0x910
[  281.745958]  ? skb_split+0x11e0/0x11e0
[  281.749854]  ? preempt_notifier_register+0x200/0x200
[  281.754966]  ? __switch_to_asm+0x34/0x70
[  281.759030]  ? __switch_to_asm+0x34/0x70
[  281.763093]  ? __switch_to_asm+0x40/0x70
[  281.767154]  ? __switch_to_asm+0x34/0x70
[  281.771716]  ? __switch_to_asm+0x40/0x70
[  281.775783]  ? __switch_to_asm+0x34/0x70
[  281.779845]  ? __switch_to_asm+0x40/0x70
[  281.783905]  ? __switch_to_asm+0x34/0x70
[  281.787969]  ? __switch_to_asm+0x34/0x70
[  281.792035]  ? __switch_to_asm+0x40/0x70
[  281.796096]  ? __switch_to_asm+0x34/0x70
[  281.800181]  bpf_clone_redirect+0xb9/0x490
[  281.804413]  ? __schedule+0x8d7/0x21d0
[  281.808303]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  281.813327]  ? __sched_text_start+0x8/0x8
[  281.817483]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.822254]  ? find_held_lock+0x36/0x1c0
[  281.826327]  ? lock_acquire+0x1ed/0x520
[  281.830308]  ? bpf_test_run+0x3cb/0x780
[  281.834297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.839843]  ? check_preemption_disabled+0x48/0x280
[  281.844871]  ? kasan_check_read+0x11/0x20
[  281.849028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.854312]  ? rcu_softirq_qs+0x20/0x20
[  281.858290]  ? preempt_schedule+0x4d/0x60
[  281.862448]  ? ___preempt_schedule+0x16/0x18
[  281.866870]  ? bpf_test_run+0x25d/0x780
[  281.870863]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.875278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.880825]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  281.885608]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.890456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.896003]  ? fput+0x130/0x1a0
[  281.899288]  ? __bpf_prog_get+0x9b/0x290
[  281.903364]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.908213]  ? bpf_prog_test_run+0x130/0x1a0
[  281.912637]  ? __x64_sys_bpf+0x3d8/0x520
[  281.916705]  ? bpf_prog_get+0x20/0x20
[  281.920532]  ? do_syscall_64+0x1b9/0x820
[  281.924606]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.929981]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.934923]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.939947]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.944975]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  281.951651]  ? __switch_to_asm+0x40/0x70
[  281.955721]  ? __switch_to_asm+0x34/0x70
[  281.959794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.964649]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.970039] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  281.970134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.976624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.976630] Call Trace:
[  281.976636]  <IRQ>
[  281.976655]  dump_stack+0x244/0x39d
[  281.976672]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.983208] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.992520]  warn_alloc.cold.116+0xb7/0x1bd
[  281.995076] syz-executor1 cpuset=syz1 mems_allowed=0
[  281.997224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.030731]  ? lock_downgrade+0x900/0x900
[  282.034908]  ? trace_hardirqs_off+0xb8/0x310
[  282.039329]  ? trace_hardirqs_off+0xb8/0x310
[  282.043758]  __alloc_pages_slowpath+0x26e8/0x2e10
[  282.048682]  ? warn_alloc+0x120/0x120
[  282.052493]  ? print_usage_bug+0xc0/0xc0
[  282.056568]  ? warn_alloc+0x120/0x120
[  282.060390]  ? warn_alloc+0x120/0x120
[  282.064200]  ? print_usage_bug+0xc0/0xc0
[  282.068273]  ? print_usage_bug+0xc0/0xc0
[  282.072343]  ? __lock_acquire+0x62f/0x4c20
[  282.076598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.082140]  ? should_fail+0x22d/0xd01
[  282.086035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.091140]  ? __lock_acquire+0x62f/0x4c20
[  282.095391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.100498]  ? __lock_acquire+0x62f/0x4c20
[  282.104737]  ? should_fail+0x22d/0xd01
[  282.108628]  ? find_held_lock+0x36/0x1c0
[  282.112705]  ? mark_held_locks+0x130/0x130
[  282.116949]  ? mark_held_locks+0x130/0x130
[  282.121185]  ? zap_class+0x640/0x640
[  282.124902]  ? zap_class+0x640/0x640
[  282.128628]  ? print_usage_bug+0xc0/0xc0
[  282.132695]  ? do_raw_spin_unlock+0xa7/0x330
[  282.137115]  ? zap_class+0x640/0x640
[  282.140832]  ? print_usage_bug+0xc0/0xc0
[  282.144903]  ? wq_watchdog_touch+0x9c/0xfe
[  282.149146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.154691]  ? check_preemption_disabled+0x48/0x280
[  282.159726]  ? __lock_is_held+0xb5/0x140
[  282.163805]  __alloc_pages_nodemask+0xa80/0xde0
[  282.168483]  ? zap_class+0x640/0x640
[  282.172205]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.177237]  ? find_held_lock+0x36/0x1c0
[  282.181316]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.185988]  ? lock_downgrade+0x900/0x900
[  282.190148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.195693]  cache_grow_begin+0xa5/0x8c0
[  282.199757]  ? do_raw_spin_unlock+0xa7/0x330
[  282.204179]  fallback_alloc+0x204/0x2e0
[  282.208162]  ____cache_alloc_node+0x1c7/0x1e0
[  282.212669]  kmem_cache_alloc_node+0xe3/0x730
[  282.217169]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.221415]  __alloc_skb+0x119/0x770
[  282.225131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.230416]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.234827]  ? lock_downgrade+0x900/0x900
[  282.238997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.244536]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.249994]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.255448]  ? addrconf_rs_timer+0x690/0x690
[  282.259874]  ndisc_alloc_skb+0x144/0x340
[  282.263942]  ndisc_send_rs+0x331/0x6e0
[  282.267837]  addrconf_rs_timer+0x314/0x690
[  282.272081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.276327]  call_timer_fn+0x272/0x920
[  282.280213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.284451]  ? process_timeout+0x40/0x40
[  282.288524]  ? mark_held_locks+0xc7/0x130
[  282.292675]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.297171]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.301668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.305907]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.310495]  ? trace_hardirqs_on+0xbd/0x310
[  282.314818]  ? kasan_check_read+0x11/0x20
[  282.318972]  ? __run_timers+0x7da/0xc70
[  282.322952]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.328061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.332300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.336535]  __run_timers+0x7e5/0xc70
[  282.340349]  ? timer_fixup_init+0x70/0x70
[  282.344500]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.349522]  ? zap_class+0x640/0x640
[  282.353241]  ? print_usage_bug+0xc0/0xc0
[  282.357308]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.362508]  ? find_held_lock+0x36/0x1c0
[  282.366577]  ? zap_class+0x640/0x640
[  282.370307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.375859]  ? check_preemption_disabled+0x48/0x280
[  282.380891]  ? __lock_is_held+0xb5/0x140
[  282.384958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.390500]  ? check_preemption_disabled+0x48/0x280
[  282.395552]  run_timer_softirq+0x52/0xb0
[  282.399625]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.404649]  __do_softirq+0x308/0xb7e
[  282.408457]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.412955]  ? lock_downgrade+0x900/0x900
[  282.417109]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.422225]  ? pvclock_read_flags+0x160/0x160
[  282.426727]  ? lapic_next_event+0x5a/0x90
[  282.430888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.436437]  ? kvm_clock_read+0x18/0x30
[  282.440415]  ? kvm_sched_clock_read+0x9/0x20
[  282.444826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.450380]  ? check_preemption_disabled+0x48/0x280
[  282.455411]  irq_exit+0x17f/0x1c0
[  282.458879]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.463729]  ? smp_reschedule_interrupt+0x109/0x650
[  282.468750]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.474638]  ? interrupt_entry+0xb5/0xc0
[  282.478705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.483721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.488741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.493586]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.498619]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.503637]  ? task_prio+0x50/0x50
[  282.507183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.512726]  ? check_preemption_disabled+0x48/0x280
[  282.517759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.522629]  apic_timer_interrupt+0xf/0x20
[  282.526866]  </IRQ>
[  282.529108] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  282.535256] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  282.554162] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  282.561881] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  282.569153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  282.576428] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  282.583698] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  282.590970] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  282.598270]  ? unlock_page+0x25d/0x4c0
[  282.602171]  unlock_page+0x25d/0x4c0
[  282.605891]  ? wake_up_page_bit+0x6f0/0x6f0
[  282.610217]  ? shrink_page_list+0x7e68/0xccd0
[  282.614719]  ? shrink_page_list+0x7e68/0xccd0
[  282.619219]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  282.623806]  ? shrink_inactive_list+0x77b/0x1c60
[  282.628573]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.633688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.639428]  ? check_preemption_disabled+0x48/0x280
[  282.644443]  ? shrink_page_list+0x145c/0xccd0
[  282.648946]  shrink_page_list+0x3714/0xccd0
[  282.653294]  ? page_evictable+0x540/0x540
[  282.657630]  ? rb_erase_cached+0xc78/0x3720
[  282.661960]  ? rb_erase_cached+0xc78/0x3720
[  282.666289]  ? rb_next+0x140/0x140
[  282.669838]  ? rb_next+0x140/0x140
[  282.673396]  ? rb_next+0x140/0x140
[  282.677017]  ? zap_class+0x640/0x640
[  282.680731]  ? zap_class+0x640/0x640
[  282.684443]  ? zap_class+0x640/0x640
[  282.688161]  ? zap_class+0x640/0x640
[  282.691881]  ? __update_load_avg_se+0x5eb/0xae0
[  282.696553]  ? __update_load_avg_blocked_se+0x690/0x690
[  282.701922]  ? __update_load_avg_se+0xae0/0xae0
[  282.706602]  ? zap_class+0x640/0x640
[  282.710336]  ? update_load_avg+0x387/0x2470
[  282.714672]  ? attach_entity_load_avg+0x860/0x860
[  282.719528]  ? update_load_avg+0x387/0x2470
[  282.723868]  ? attach_entity_load_avg+0x860/0x860
[  282.728723]  ? attach_entity_load_avg+0x860/0x860
[  282.733575]  ? attach_entity_load_avg+0x860/0x860
[  282.738435]  ? rb_erase+0x3710/0x3710
[  282.742238]  ? rb_erase+0x3710/0x3710
[  282.746038]  ? rb_erase+0x3710/0x3710
[  282.749932]  ? rb_erase+0x3710/0x3710
[  282.753746]  ? rb_erase+0x3710/0x3710
[  282.757557]  ? __lock_acquire+0x62f/0x4c20
[  282.761814]  ? zap_class+0x640/0x640
[  282.765542]  ? print_usage_bug+0xc0/0xc0
[  282.769624]  ? zap_class+0x640/0x640
[  282.773340]  ? zap_class+0x640/0x640
[  282.777059]  ? print_usage_bug+0xc0/0xc0
[  282.781129]  ? print_usage_bug+0xc0/0xc0
[  282.785192]  ? zap_class+0x640/0x640
[  282.788911]  ? __lock_is_held+0xb5/0x140
[  282.792989]  ? print_usage_bug+0xc0/0xc0
[  282.797060]  ? __lock_acquire+0x62f/0x4c20
[  282.801304]  ? mark_held_locks+0x130/0x130
[  282.805550]  ? print_usage_bug+0xc0/0xc0
[  282.809632]  ? rb_erase_cached+0xc78/0x3720
[  282.813962]  ? rb_next+0x140/0x140
[  282.817513]  ? rb_next+0x140/0x140
[  282.821063]  ? __lock_acquire+0x62f/0x4c20
[  282.825305]  ? __lock_acquire+0x62f/0x4c20
[  282.829541]  ? rcu_note_context_switch+0x12ad/0x2150
[  282.834650]  ? print_usage_bug+0xc0/0xc0
[  282.838730]  ? mark_held_locks+0x130/0x130
[  282.842972]  ? zap_class+0x640/0x640
[  282.846692]  ? print_usage_bug+0xc0/0xc0
[  282.850753]  ? put_dec+0x3b/0xf0
[  282.854147]  ? rb_next+0x140/0x140
[  282.857694]  ? __lock_acquire+0x62f/0x4c20
[  282.861932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.867472]  ? check_preemption_disabled+0x48/0x280
[  282.872509]  ? print_usage_bug+0xc0/0xc0
[  282.876581]  ? rb_erase_cached+0xc78/0x3720
[  282.880922]  ? rb_next+0x140/0x140
[  282.884507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.890055]  ? __isolate_lru_page+0xd05/0x1540
[  282.894661]  ? print_usage_bug+0xc0/0xc0
[  282.898731]  ? mark_held_locks+0x130/0x130
[  282.902968]  ? zap_class+0x640/0x640
[  282.906684]  ? update_load_avg+0x13b8/0x2470
[  282.911106]  ? print_usage_bug+0xc0/0xc0
[  282.915173]  ? zap_class+0x640/0x640
[  282.918891]  ? __lock_acquire+0x62f/0x4c20
[  282.923148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.928692]  ? check_preemption_disabled+0x48/0x280
[  282.933716]  ? __update_load_avg_blocked_se+0x690/0x690
[  282.939092]  ? __update_load_avg_se+0xae0/0xae0
[  282.943765]  ? zap_class+0x640/0x640
[  282.947494]  ? update_load_avg+0x387/0x2470
[  282.951831]  ? attach_entity_load_avg+0x860/0x860
[  282.956689]  ? update_load_avg+0x387/0x2470
[  282.961017]  ? attach_entity_load_avg+0x860/0x860
[  282.965870]  ? attach_entity_load_avg+0x860/0x860
[  282.970729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.976274]  ? __isolate_lru_page+0xd05/0x1540
[  282.980868]  ? putback_lru_page+0x280/0x280
[  282.985197]  ? rb_erase+0x3710/0x3710
[  282.989103]  ? mark_held_locks+0x130/0x130
[  282.993343]  ? cpuacct_charge+0x265/0x440
[  282.997499]  ? find_held_lock+0x36/0x1c0
[  283.001576]  ? zap_class+0x640/0x640
[  283.005304]  ? print_usage_bug+0xc0/0xc0
[  283.009372]  ? zap_class+0x640/0x640
[  283.013091]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.018025]  ? kasan_check_read+0x11/0x20
[  283.022175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.027458]  ? zap_class+0x640/0x640
[  283.031179]  ? __lock_is_held+0xb5/0x140
[  283.035248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.043317]  ? check_preemption_disabled+0x48/0x280
[  283.048346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.053894]  ? check_preemption_disabled+0x48/0x280
[  283.058914]  ? __lock_is_held+0xb5/0x140
[  283.062985]  ? __this_cpu_preempt_check+0x1c/0x20
[  283.067834]  ? __mod_zone_page_state+0x8a/0xf0
[  283.072441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.077987]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  283.083199]  ? __isolate_lru_page+0x1540/0x1540
[  283.087891]  ? zap_class+0x640/0x640
[  283.091618]  ? print_usage_bug+0xc0/0xc0
[  283.095684]  ? __account_cfs_rq_runtime+0x790/0x790
[  283.100710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.106269]  ? find_held_lock+0x36/0x1c0
[  283.110335]  ? zap_class+0x640/0x640
[  283.114058]  ? print_usage_bug+0xc0/0xc0
[  283.118122]  ? mark_held_locks+0xc7/0x130
[  283.122281]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.126788]  ? zap_class+0x640/0x640
[  283.130507]  ? print_usage_bug+0xc0/0xc0
[  283.134586]  ? mark_held_locks+0xc7/0x130
[  283.138754]  ? find_held_lock+0x36/0x1c0
[  283.142834]  ? mark_held_locks+0xc7/0x130
[  283.146997]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.151497]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.156011]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.160607]  ? trace_hardirqs_on+0xbd/0x310
[  283.164934]  ? kasan_check_read+0x11/0x20
[  283.169093]  ? shrink_inactive_list+0x741/0x1c60
[  283.173861]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.178971]  ? trace_hardirqs_on+0x310/0x310
[  283.183385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.188929]  ? check_preemption_disabled+0x48/0x280
[  283.193956]  shrink_inactive_list+0x77b/0x1c60
[  283.198555]  ? putback_inactive_pages+0x27e0/0x27e0
[  283.203576]  ? kasan_check_read+0x11/0x20
[  283.207739]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  283.213018]  ? __rcu_read_unlock+0x2d6/0x2e0
[  283.217434]  ? blk_lld_busy+0x70/0x70
[  283.221237]  ? kasan_check_read+0x11/0x20
[  283.225404]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  283.230349]  shrink_node_memcg+0x78b/0x18f0
[  283.234689]  ? shrink_active_list+0x1f00/0x1f00
[  283.239369]  ? lock_downgrade+0x900/0x900
[  283.243520]  ? check_flush_dependency+0x410/0x410
[  283.248368]  ? kasan_check_read+0x11/0x20
[  283.252518]  ? do_raw_spin_unlock+0xa7/0x330
[  283.256937]  ? ___preempt_schedule+0x16/0x18
[  283.261355]  ? _raw_spin_unlock+0x3f/0x50
[  283.265515]  shrink_node+0x3bc/0x16b0
[  283.269321]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  283.274633]  ? shrink_node_memcg+0x18f0/0x18f0
[  283.279218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.283805]  ? trace_hardirqs_on+0xbd/0x310
[  283.288132]  ? vmpressure+0x271/0x340
[  283.291942]  ? do_raw_spin_trylock+0x270/0x270
[  283.296536]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  283.302077]  ? __cpuset_node_allowed+0x19b/0x660
[  283.306841]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  283.312560]  ? vmpressure+0x1a2/0x340
[  283.316382]  do_try_to_free_pages+0x3e7/0x1290
[  283.320974]  ? zap_class+0x640/0x640
[  283.324712]  ? shrink_node+0x16b0/0x16b0
[  283.328777]  ? __lock_is_held+0xb5/0x140
[  283.332865]  try_to_free_pages+0x4d0/0xb90
[  283.337108]  ? do_try_to_free_pages+0x1290/0x1290
[  283.341965]  ? lock_acquire+0x1ed/0x520
[  283.345943]  ? set_page_refcounted+0x280/0x280
[  283.350532]  ? lock_release+0xa00/0xa00
[  283.354511]  ? _raw_spin_unlock_irq+0x60/0x80
[  283.359010]  ? psi_memstall_enter+0x240/0x2b0
[  283.363507]  ? psi_memstall_tick+0x230/0x230
[  283.367932]  __alloc_pages_slowpath+0xa14/0x2e10
[  283.372718]  ? warn_alloc+0x120/0x120
[  283.376519]  ? mark_held_locks+0x130/0x130
[  283.380765]  ? find_get_entry+0xaae/0x1120
[  283.385010]  ? filemap_map_pages+0x1a20/0x1a20
[  283.389611]  ? zap_class+0x640/0x640
[  283.393334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.398881]  ? check_preemption_disabled+0x48/0x280
[  283.403903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.409441]  ? should_fail+0x22d/0xd01
[  283.413336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.418451]  ? zap_class+0x640/0x640
[  283.422197]  ? __lock_is_held+0xb5/0x140
[  283.426270]  ? mark_held_locks+0x130/0x130
[  283.430514]  ? lock_release+0xa00/0xa00
[  283.434525]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.439980]  ? xa_load+0x2ba/0x460
[  283.443524]  ? lock_downgrade+0x900/0x900
[  283.447679]  ? __might_sleep+0x95/0x190
[  283.451662]  __alloc_pages_nodemask+0xa80/0xde0
[  283.456348]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.461365]  ? __page_cache_alloc+0x191/0x5c0
[  283.465867]  ? xa_load+0x2e1/0x460
[  283.469412]  ? xa_clear_mark+0x40/0x40
[  283.473310]  ? zap_class+0x640/0x640
[  283.477038]  ? zap_class+0x640/0x640
[  283.480755]  ? zap_class+0x640/0x640
[  283.484477]  ? __do_page_cache_readahead+0x663/0x810
[  283.489598]  ? find_held_lock+0x36/0x1c0
[  283.493670]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  283.499214]  alloc_pages_current+0x173/0x350
[  283.503636]  __page_cache_alloc+0x38c/0x5c0
[  283.507962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.512896]  ? kasan_check_read+0x11/0x20
[  283.517070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.522351]  ? generic_perform_write+0x6a0/0x6a0
[  283.527115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.532668]  ? check_preemption_disabled+0x48/0x280
[  283.537701]  filemap_fault+0x1595/0x25f0
[  283.541780]  ? __lock_page_or_retry+0xa00/0xa00
[  283.546454]  ? mark_held_locks+0x130/0x130
[  283.550700]  ? filemap_map_pages+0xd6b/0x1a20
[  283.555201]  ? lock_downgrade+0x900/0x900
[  283.559353]  ? check_preemption_disabled+0x48/0x280
[  283.564375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.569306]  ? kasan_check_read+0x11/0x20
[  283.573453]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.578730]  ? rcu_softirq_qs+0x20/0x20
[  283.582720]  ? filemap_map_pages+0xd92/0x1a20
[  283.587234]  ? find_get_entries_tag+0x1400/0x1400
[  283.592087]  ? debug_object_destroy+0x2b0/0x2b0
[  283.596762]  ? lock_pi_update_atomic+0x150/0x150
[  283.601520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.607079]  ? lock_acquire+0x1ed/0x520
[  283.611059]  ? ext4_filemap_fault+0x7a/0xad
[  283.615390]  ? lock_release+0xa00/0xa00
[  283.619370]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.624827]  ? print_usage_bug+0xc0/0xc0
[  283.628897]  ? print_usage_bug+0xc0/0xc0
[  283.632974]  ? down_read+0x8d/0x120
[  283.636829]  ? ext4_filemap_fault+0x7a/0xad
[  283.641158]  ? __down_interruptible+0x700/0x700
[  283.645842]  ext4_filemap_fault+0x82/0xad
[  283.650004]  __do_fault+0x100/0x6b0
[  283.653630]  ? find_held_lock+0x36/0x1c0
[  283.657699]  ? pmd_devmap_trans_unstable+0x220/0x220
[  283.662811]  ? mark_held_locks+0x130/0x130
[  283.667050]  ? mark_held_locks+0x130/0x130
[  283.671291]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.675789]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.680285]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.684879]  ? kasan_check_read+0x11/0x20
[  283.689032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.694579]  __handle_mm_fault+0x3ea6/0x5be0
[  283.699010]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  283.703863]  ? finish_task_switch+0x1f4/0x910
[  283.708359]  ? finish_task_switch+0x1b4/0x910
[  283.712863]  ? __switch_to_asm+0x34/0x70
[  283.716931]  ? preempt_notifier_register+0x200/0x200
[  283.722037]  ? __switch_to_asm+0x34/0x70
[  283.726105]  ? __switch_to_asm+0x34/0x70
[  283.730181]  ? zap_class+0x640/0x640
[  283.733898]  ? zap_class+0x640/0x640
[  283.737623]  ? __x64_sys_futex+0x53e/0x6a0
[  283.741873]  ? find_held_lock+0x36/0x1c0
[  283.745947]  ? handle_mm_fault+0x42a/0xc70
[  283.750187]  ? lock_downgrade+0x900/0x900
[  283.754337]  ? check_preemption_disabled+0x48/0x280
[  283.759363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.764299]  ? kasan_check_read+0x11/0x20
[  283.768589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.773886]  ? rcu_softirq_qs+0x20/0x20
[  283.777868]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.782979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.788524]  ? check_preemption_disabled+0x48/0x280
[  283.793554]  handle_mm_fault+0x54f/0xc70
[  283.797630]  ? __handle_mm_fault+0x5be0/0x5be0
[  283.802222]  ? find_vma+0x34/0x190
[  283.805773]  __do_page_fault+0x5e8/0xe60
[  283.809840]  ? trace_hardirqs_off+0xb8/0x310
[  283.814267]  do_page_fault+0xf2/0x7e0
[  283.818073]  ? vmalloc_sync_all+0x30/0x30
[  283.822229]  ? error_entry+0x70/0xd0
[  283.825946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.830966]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.835899]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.840828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.845680]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.850698]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.856152]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.861174]  ? page_fault+0x8/0x30
[  283.864741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.869602]  ? page_fault+0x8/0x30
[  283.873148]  page_fault+0x1e/0x30
[  283.876608] RIP: 0033:0x40f9c0
[  283.879817] Code: Bad RIP value.
[  283.883183] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  283.888549] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  283.895817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  283.903086] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  283.910351] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  283.917618] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  283.924909] warn_alloc_show_mem: 1 callbacks suppressed
[  283.924920] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  283.924922] Mem-Info:
[  283.924953] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  283.924953]  active_file:14 inactive_file:15 isolated_file:0
[  283.924953]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.924953]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  283.924953]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  283.924953]  free:13731 free_pcp:182 free_cma:0
[  283.930298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.937231] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.939635] Call Trace:
[  283.972685] 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
[  283.982030]  <IRQ>
[  284.009883] lowmem_reserve[]: 0 2818 6321 6321
[  284.012467]  dump_stack+0x244/0x39d
[  284.038547] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  284.040697]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.045255] lowmem_reserve[]: 0 0 3503 3503
[  284.048886]  warn_alloc.cold.116+0xb7/0x1bd
[  284.076622] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  284.081807]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.086101] lowmem_reserve[]: 0 0 0 0
[  284.090417]  ? lock_downgrade+0x900/0x900
[  284.119387] 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
[  284.124233]  ? trace_hardirqs_off+0xb8/0x310
[  284.128002] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  284.132152]  ? trace_hardirqs_off+0xb8/0x310
[  284.145648] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  284.150059]  __alloc_pages_slowpath+0x26e8/0x2e10
[  284.165212] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.169645]  ? warn_alloc+0x120/0x120
[  284.184945] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.189780]  ? print_usage_bug+0xc0/0xc0
[  284.198599] 2704 total pagecache pages
[  284.202392]  ? warn_alloc+0x120/0x120
[  284.210953] 0 pages in swap cache
[  284.214998]  ? warn_alloc+0x120/0x120
[  284.218862] Swap cache stats: add 0, delete 0, find 0/0
[  284.222655]  ? print_usage_bug+0xc0/0xc0
[  284.226087] Free swap  = 0kB
[  284.229884]  ? print_usage_bug+0xc0/0xc0
[  284.235222] Total swap = 0kB
[  284.239278]  ? __lock_acquire+0x62f/0x4c20
[  284.242271] 1965979 pages RAM
[  284.246326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.249316] 0 pages HighMem/MovableOnly
[  284.253546]  ? should_fail+0x22d/0xd01
[  284.256628] 342858 pages reserved
[  284.262156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.266104] 0 pages cma reserved
[  284.269983]  ? __lock_acquire+0x62f/0x4c20
[  284.273471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.278508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.278521]  ? __lock_acquire+0x62f/0x4c20
[  284.278533]  ? should_fail+0x22d/0xd01
[  284.278549]  ? find_held_lock+0x36/0x1c0
[  284.282841] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.286127]  ? mark_held_locks+0x130/0x130
[  284.292599] syz-fuzzer cpuset=/ mems_allowed=0
[  284.297698]  ? mark_held_locks+0x130/0x130
[  284.333049]  ? zap_class+0x640/0x640
[  284.336769]  ? zap_class+0x640/0x640
[  284.340485]  ? print_usage_bug+0xc0/0xc0
[  284.344545]  ? do_raw_spin_unlock+0xa7/0x330
[  284.348953]  ? zap_class+0x640/0x640
[  284.352670]  ? print_usage_bug+0xc0/0xc0
[  284.356732]  ? wq_watchdog_touch+0x9c/0xfe
[  284.360971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.366510]  ? check_preemption_disabled+0x48/0x280
[  284.371538]  ? __lock_is_held+0xb5/0x140
[  284.375616]  __alloc_pages_nodemask+0xa80/0xde0
[  284.380289]  ? zap_class+0x640/0x640
[  284.384009]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  284.389040]  ? find_held_lock+0x36/0x1c0
[  284.393111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.397782]  ? lock_downgrade+0x900/0x900
[  284.401939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.407483]  cache_grow_begin+0xa5/0x8c0
[  284.411547]  ? do_raw_spin_unlock+0xa7/0x330
[  284.415967]  fallback_alloc+0x204/0x2e0
[  284.419953]  ____cache_alloc_node+0x1c7/0x1e0
[  284.424455]  kmem_cache_alloc_node+0xe3/0x730
[  284.428957]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.433204]  __alloc_skb+0x119/0x770
[  284.436920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.442210]  ? netdev_alloc_frag+0x1f0/0x1f0
[  284.446632]  ? lock_downgrade+0x900/0x900
[  284.450790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.456335]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.461800]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.467258]  ? addrconf_rs_timer+0x690/0x690
[  284.471683]  ndisc_alloc_skb+0x144/0x340
[  284.475756]  ndisc_send_rs+0x331/0x6e0
[  284.479651]  addrconf_rs_timer+0x314/0x690
[  284.483894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.488144]  call_timer_fn+0x272/0x920
[  284.492034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.496272]  ? process_timeout+0x40/0x40
[  284.500343]  ? __run_timers+0x7da/0xc70
[  284.504331]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.508833]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.513330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.517574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  284.522170]  ? trace_hardirqs_on+0xbd/0x310
[  284.526502]  ? kasan_check_read+0x11/0x20
[  284.530652]  ? __run_timers+0x7da/0xc70
[  284.534639]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.539749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.543989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.548226]  __run_timers+0x7e5/0xc70
[  284.552040]  ? timer_fixup_init+0x70/0x70
[  284.556198]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.561217]  ? zap_class+0x640/0x640
[  284.564940]  ? enqueue_hrtimer+0x1a5/0x560
[  284.569178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.574382]  ? find_held_lock+0x36/0x1c0
[  284.578449]  ? zap_class+0x640/0x640
[  284.582169]  ? pvclock_read_flags+0x160/0x160
[  284.586670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.592216]  ? check_preemption_disabled+0x48/0x280
[  284.597249]  ? __lock_is_held+0xb5/0x140
[  284.601314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.606856]  ? check_preemption_disabled+0x48/0x280
[  284.611881]  run_timer_softirq+0x52/0xb0
[  284.615951]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.620975]  __do_softirq+0x308/0xb7e
[  284.624786]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.629282]  ? lock_downgrade+0x900/0x900
[  284.633436]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.638549]  ? pvclock_read_flags+0x160/0x160
[  284.643066]  ? lapic_next_event+0x5a/0x90
[  284.647223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.652772]  ? kvm_clock_read+0x18/0x30
[  284.656754]  ? kvm_sched_clock_read+0x9/0x20
[  284.661168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.666712]  ? check_preemption_disabled+0x48/0x280
[  284.671747]  irq_exit+0x17f/0x1c0
[  284.675209]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.680054]  ? smp_reschedule_interrupt+0x109/0x650
[  284.685074]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.690959]  ? interrupt_entry+0xb5/0xc0
[  284.695043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.700060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.705097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.709946]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.714965]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.719985]  ? task_prio+0x50/0x50
[  284.723535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.729081]  ? check_preemption_disabled+0x48/0x280
[  284.734107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.738975]  apic_timer_interrupt+0xf/0x20
[  284.743205]  </IRQ>
[  284.745447] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.750380] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  284.769281] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.776989] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.784256] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  284.791522] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  284.798794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.806061] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  284.813386]  skb_clone+0x1bb/0x500
[  284.816931]  ? finish_task_switch+0x1b4/0x910
[  284.821427]  ? skb_split+0x11e0/0x11e0
[  284.825316]  ? preempt_notifier_register+0x200/0x200
[  284.830425]  ? __switch_to_asm+0x34/0x70
[  284.834490]  ? __switch_to_asm+0x34/0x70
[  284.838560]  ? __switch_to_asm+0x40/0x70
[  284.842633]  ? __switch_to_asm+0x34/0x70
[  284.846699]  ? __switch_to_asm+0x40/0x70
[  284.850764]  ? __switch_to_asm+0x34/0x70
[  284.854828]  ? __switch_to_asm+0x40/0x70
[  284.858940]  ? __switch_to_asm+0x34/0x70
[  284.863005]  ? __switch_to_asm+0x34/0x70
[  284.867069]  ? __switch_to_asm+0x40/0x70
[  284.871133]  ? __switch_to_asm+0x34/0x70
[  284.875203]  bpf_clone_redirect+0xb9/0x490
[  284.879442]  ? __schedule+0x8d7/0x21d0
[  284.883341]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  284.888375]  ? __sched_text_start+0x8/0x8
[  284.892524]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.897296]  ? find_held_lock+0x36/0x1c0
[  284.901372]  ? lock_acquire+0x1ed/0x520
[  284.905346]  ? bpf_test_run+0x3cb/0x780
[  284.909330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.914878]  ? check_preemption_disabled+0x48/0x280
[  284.919905]  ? kasan_check_read+0x11/0x20
[  284.924055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.929331]  ? rcu_softirq_qs+0x20/0x20
[  284.933311]  ? preempt_schedule+0x4d/0x60
[  284.937463]  ? ___preempt_schedule+0x16/0x18
[  284.941884]  ? bpf_test_run+0x25d/0x780
[  284.945870]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.950286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.955837]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  284.960616]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.965461]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.971001]  ? fput+0x130/0x1a0
[  284.974287]  ? __bpf_prog_get+0x9b/0x290
[  284.978359]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.983206]  ? bpf_prog_test_run+0x130/0x1a0
[  284.987624]  ? __x64_sys_bpf+0x3d8/0x520
[  284.991689]  ? bpf_prog_get+0x20/0x20
[  284.995511]  ? do_syscall_64+0x1b9/0x820
[  284.999576]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  285.004952]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.009887]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.014908]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  285.019930]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  285.026603]  ? __switch_to_asm+0x40/0x70
[  285.030668]  ? __switch_to_asm+0x34/0x70
[  285.034741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.039605]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  285.044998] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  285.045067] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.051576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.051585] Call Trace:
[  285.058157] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.067424]  <IRQ>
[  285.070001] syz-executor1 cpuset=syz1 mems_allowed=0
[  285.080478]  dump_stack+0x244/0x39d
[  285.091320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.096531]  warn_alloc.cold.116+0xb7/0x1bd
[  285.100868]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.105717]  ? lock_downgrade+0x900/0x900
[  285.110316]  ? trace_hardirqs_off+0xb8/0x310
[  285.114736]  ? trace_hardirqs_off+0xb8/0x310
[  285.119174]  __alloc_pages_slowpath+0x26e8/0x2e10
[  285.124051]  ? warn_alloc+0x120/0x120
[  285.127867]  ? warn_alloc+0x120/0x120
[  285.131676]  ? warn_alloc+0x120/0x120
[  285.135479]  ? print_usage_bug+0xc0/0xc0
[  285.139542]  ? zap_class+0x640/0x640
[  285.143262]  ? print_usage_bug+0xc0/0xc0
[  285.147337]  ? find_held_lock+0x36/0x1c0
[  285.151416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.156956]  ? should_fail+0x22d/0xd01
[  285.160846]  ? __lock_acquire+0x62f/0x4c20
[  285.165091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.170199]  ? __lock_acquire+0x62f/0x4c20
[  285.174439]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.179545]  ? __lock_acquire+0x62f/0x4c20
[  285.183782]  ? should_fail+0x22d/0xd01
[  285.187704]  ? mark_held_locks+0x130/0x130
[  285.191946]  ? mark_held_locks+0x130/0x130
[  285.196185]  ? try_to_wake_up+0x11c/0x1490
[  285.200426]  ? lock_downgrade+0x900/0x900
[  285.204577]  ? zap_class+0x640/0x640
[  285.208300]  ? print_usage_bug+0xc0/0xc0
[  285.212373]  ? kasan_check_read+0x11/0x20
[  285.216531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.222071]  ? check_preemption_disabled+0x48/0x280
[  285.227097]  ? __lock_is_held+0xb5/0x140
[  285.231166]  __alloc_pages_nodemask+0xa80/0xde0
[  285.235841]  ? zap_class+0x640/0x640
[  285.239565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.244609]  ? find_held_lock+0x36/0x1c0
[  285.248686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.253356]  ? lock_downgrade+0x900/0x900
[  285.257515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.263059]  cache_grow_begin+0xa5/0x8c0
[  285.267123]  ? do_raw_spin_unlock+0xa7/0x330
[  285.271546]  fallback_alloc+0x204/0x2e0
[  285.275528]  ____cache_alloc_node+0x1c7/0x1e0
[  285.280029]  kmem_cache_alloc_node+0xe3/0x730
[  285.284524]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.288781]  __alloc_skb+0x119/0x770
[  285.292497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.297784]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.302193]  ? lock_downgrade+0x900/0x900
[  285.306352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.311893]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.317354]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.322811]  ? addrconf_rs_timer+0x690/0x690
[  285.327231]  ndisc_alloc_skb+0x144/0x340
[  285.331302]  ndisc_send_rs+0x331/0x6e0
[  285.335199]  addrconf_rs_timer+0x314/0x690
[  285.339441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.343688]  call_timer_fn+0x272/0x920
[  285.347576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.351822]  ? process_timeout+0x40/0x40
[  285.355902]  ? mark_held_locks+0xc7/0x130
[  285.360074]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.364573]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.369081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.373324]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.377912]  ? trace_hardirqs_on+0xbd/0x310
[  285.382236]  ? kasan_check_read+0x11/0x20
[  285.386387]  ? __run_timers+0x7da/0xc70
[  285.390361]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.395481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.399716]  __run_timers+0x7e5/0xc70
[  285.403529]  ? timer_fixup_init+0x70/0x70
[  285.407681]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.412700]  ? zap_class+0x640/0x640
[  285.416420]  ? print_usage_bug+0xc0/0xc0
[  285.420489]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.425690]  ? find_held_lock+0x36/0x1c0
[  285.429761]  ? zap_class+0x640/0x640
[  285.433486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.439030]  ? check_preemption_disabled+0x48/0x280
[  285.444060]  ? __lock_is_held+0xb5/0x140
[  285.448130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.453672]  ? check_preemption_disabled+0x48/0x280
[  285.458696]  run_timer_softirq+0x52/0xb0
[  285.462781]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.467802]  __do_softirq+0x308/0xb7e
[  285.471615]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  285.476114]  ? lock_downgrade+0x900/0x900
[  285.480270]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.485382]  ? pvclock_read_flags+0x160/0x160
[  285.489888]  ? lapic_next_event+0x5a/0x90
[  285.494043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.499762]  ? kvm_clock_read+0x18/0x30
[  285.503742]  ? kvm_sched_clock_read+0x9/0x20
[  285.508158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.513699]  ? check_preemption_disabled+0x48/0x280
[  285.518728]  irq_exit+0x17f/0x1c0
[  285.522187]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.527033]  ? smp_reschedule_interrupt+0x109/0x650
[  285.532088]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.537978]  ? interrupt_entry+0xb5/0xc0
[  285.542067]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.547092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.552116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.556966]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.561987]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.567009]  ? task_prio+0x50/0x50
[  285.570558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.576105]  ? check_preemption_disabled+0x48/0x280
[  285.581129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.585986]  apic_timer_interrupt+0xf/0x20
[  285.590217]  </IRQ>
[  285.592464] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  285.598622] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  285.617531] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  285.625244] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  285.632517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  285.640052] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  285.647320] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  285.654598] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  285.661894]  ? unlock_page+0x25d/0x4c0
[  285.665795]  unlock_page+0x25d/0x4c0
[  285.669516]  ? wake_up_page_bit+0x6f0/0x6f0
[  285.673839]  ? shrink_page_list+0x7e68/0xccd0
[  285.678341]  ? shrink_page_list+0x7e68/0xccd0
[  285.682845]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.687438]  ? shrink_inactive_list+0x77b/0x1c60
[  285.692201]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.697308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.702850]  ? check_preemption_disabled+0x48/0x280
[  285.707876]  ? shrink_page_list+0x145c/0xccd0
[  285.712382]  shrink_page_list+0x3714/0xccd0
[  285.716734]  ? page_evictable+0x540/0x540
[  285.721061]  ? rb_erase_cached+0xc78/0x3720
[  285.725387]  ? rb_erase_cached+0xc78/0x3720
[  285.729716]  ? rb_next+0x140/0x140
[  285.733263]  ? rb_next+0x140/0x140
[  285.736810]  ? rb_next+0x140/0x140
[  285.740427]  ? zap_class+0x640/0x640
[  285.744144]  ? zap_class+0x640/0x640
[  285.747865]  ? zap_class+0x640/0x640
[  285.751581]  ? zap_class+0x640/0x640
[  285.755305]  ? __update_load_avg_se+0x5eb/0xae0
[  285.759980]  ? __update_load_avg_blocked_se+0x690/0x690
[  285.765351]  ? __update_load_avg_se+0xae0/0xae0
[  285.770187]  ? zap_class+0x640/0x640
[  285.773914]  ? update_load_avg+0x387/0x2470
[  285.778248]  ? attach_entity_load_avg+0x860/0x860
[  285.783098]  ? update_load_avg+0x387/0x2470
[  285.787428]  ? attach_entity_load_avg+0x860/0x860
[  285.792281]  ? attach_entity_load_avg+0x860/0x860
[  285.797129]  ? attach_entity_load_avg+0x860/0x860
[  285.801978]  ? rb_erase+0x3710/0x3710
[  285.806035]  ? rb_erase+0x3710/0x3710
[  285.809838]  ? rb_erase+0x3710/0x3710
[  285.813650]  ? rb_erase+0x3710/0x3710
[  285.817459]  ? rb_erase+0x3710/0x3710
[  285.821272]  ? __lock_acquire+0x62f/0x4c20
[  285.825519]  ? zap_class+0x640/0x640
[  285.829238]  ? print_usage_bug+0xc0/0xc0
[  285.833301]  ? zap_class+0x640/0x640
[  285.837015]  ? zap_class+0x640/0x640
[  285.840730]  ? print_usage_bug+0xc0/0xc0
[  285.844798]  ? print_usage_bug+0xc0/0xc0
[  285.848870]  ? zap_class+0x640/0x640
[  285.852587]  ? __lock_is_held+0xb5/0x140
[  285.856676]  ? print_usage_bug+0xc0/0xc0
[  285.860746]  ? __lock_acquire+0x62f/0x4c20
[  285.864991]  ? mark_held_locks+0x130/0x130
[  285.869226]  ? print_usage_bug+0xc0/0xc0
[  285.873300]  ? rb_erase_cached+0xc78/0x3720
[  285.877640]  ? rb_next+0x140/0x140
[  285.881186]  ? rb_next+0x140/0x140
[  285.884732]  ? __lock_acquire+0x62f/0x4c20
[  285.888973]  ? __lock_acquire+0x62f/0x4c20
[  285.893208]  ? rcu_note_context_switch+0x12ad/0x2150
[  285.898312]  ? print_usage_bug+0xc0/0xc0
[  285.902390]  ? mark_held_locks+0x130/0x130
[  285.906637]  ? zap_class+0x640/0x640
[  285.910356]  ? print_usage_bug+0xc0/0xc0
[  285.914421]  ? put_dec+0x3b/0xf0
[  285.917808]  ? rb_next+0x140/0x140
[  285.921358]  ? __lock_acquire+0x62f/0x4c20
[  285.925609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.931155]  ? check_preemption_disabled+0x48/0x280
[  285.936188]  ? print_usage_bug+0xc0/0xc0
[  285.940281]  ? rb_erase_cached+0xc78/0x3720
[  285.944620]  ? rb_next+0x140/0x140
[  285.948178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.953718]  ? __isolate_lru_page+0xd05/0x1540
[  285.958318]  ? print_usage_bug+0xc0/0xc0
[  285.962382]  ? mark_held_locks+0x130/0x130
[  285.966624]  ? zap_class+0x640/0x640
[  285.970340]  ? update_load_avg+0x13b8/0x2470
[  285.974759]  ? print_usage_bug+0xc0/0xc0
[  285.978824]  ? zap_class+0x640/0x640
[  285.982546]  ? __lock_acquire+0x62f/0x4c20
[  285.986788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.992331]  ? check_preemption_disabled+0x48/0x280
[  285.997360]  ? __update_load_avg_blocked_se+0x690/0x690
[  286.002733]  ? __update_load_avg_se+0xae0/0xae0
[  286.007403]  ? zap_class+0x640/0x640
[  286.011137]  ? update_load_avg+0x387/0x2470
[  286.015473]  ? attach_entity_load_avg+0x860/0x860
[  286.020329]  ? update_load_avg+0x387/0x2470
[  286.024657]  ? attach_entity_load_avg+0x860/0x860
[  286.029502]  ? attach_entity_load_avg+0x860/0x860
[  286.034361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.039903]  ? __isolate_lru_page+0xd05/0x1540
[  286.044496]  ? putback_lru_page+0x280/0x280
[  286.048826]  ? rb_erase+0x3710/0x3710
[  286.052643]  ? mark_held_locks+0x130/0x130
[  286.056888]  ? cpuacct_charge+0x265/0x440
[  286.061044]  ? find_held_lock+0x36/0x1c0
[  286.065119]  ? zap_class+0x640/0x640
[  286.068835]  ? print_usage_bug+0xc0/0xc0
[  286.072906]  ? zap_class+0x640/0x640
[  286.076628]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.081561]  ? kasan_check_read+0x11/0x20
[  286.085717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.091000]  ? zap_class+0x640/0x640
[  286.094717]  ? __lock_is_held+0xb5/0x140
[  286.098789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.104329]  ? check_preemption_disabled+0x48/0x280
[  286.109353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.114894]  ? check_preemption_disabled+0x48/0x280
[  286.119914]  ? __lock_is_held+0xb5/0x140
[  286.123980]  ? __this_cpu_preempt_check+0x1c/0x20
[  286.128826]  ? __mod_zone_page_state+0x8a/0xf0
[  286.133420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.138965]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  286.144177]  ? __isolate_lru_page+0x1540/0x1540
[  286.148865]  ? zap_class+0x640/0x640
[  286.152589]  ? print_usage_bug+0xc0/0xc0
[  286.156661]  ? __account_cfs_rq_runtime+0x790/0x790
[  286.161683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.167229]  ? find_held_lock+0x36/0x1c0
[  286.171294]  ? zap_class+0x640/0x640
[  286.175010]  ? print_usage_bug+0xc0/0xc0
[  286.179071]  ? mark_held_locks+0xc7/0x130
[  286.183227]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.187733]  ? zap_class+0x640/0x640
[  286.191450]  ? print_usage_bug+0xc0/0xc0
[  286.195520]  ? mark_held_locks+0xc7/0x130
[  286.199677]  ? find_held_lock+0x36/0x1c0
[  286.203749]  ? mark_held_locks+0xc7/0x130
[  286.207904]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.212399]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.216896]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.221488]  ? trace_hardirqs_on+0xbd/0x310
[  286.225815]  ? kasan_check_read+0x11/0x20
[  286.229964]  ? shrink_inactive_list+0x741/0x1c60
[  286.234728]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.239833]  ? trace_hardirqs_on+0x310/0x310
[  286.244250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.249789]  ? check_preemption_disabled+0x48/0x280
[  286.254818]  shrink_inactive_list+0x77b/0x1c60
[  286.259414]  ? putback_inactive_pages+0x27e0/0x27e0
[  286.264436]  ? kasan_check_read+0x11/0x20
[  286.268587]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  286.273880]  ? __rcu_read_unlock+0x2d6/0x2e0
[  286.278295]  ? blk_lld_busy+0x70/0x70
[  286.282095]  ? kasan_check_read+0x11/0x20
[  286.286257]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  286.291198]  shrink_node_memcg+0x78b/0x18f0
[  286.295543]  ? shrink_active_list+0x1f00/0x1f00
[  286.300221]  ? lock_downgrade+0x900/0x900
[  286.304373]  ? check_flush_dependency+0x410/0x410
[  286.309222]  ? kasan_check_read+0x11/0x20
[  286.313371]  ? do_raw_spin_unlock+0xa7/0x330
[  286.317789]  ? ___preempt_schedule+0x16/0x18
[  286.322216]  ? _raw_spin_unlock+0x3f/0x50
[  286.326379]  shrink_node+0x3bc/0x16b0
[  286.330188]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  286.335495]  ? shrink_node_memcg+0x18f0/0x18f0
[  286.340078]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.344668]  ? trace_hardirqs_on+0xbd/0x310
[  286.348994]  ? vmpressure+0x271/0x340
[  286.352804]  ? do_raw_spin_trylock+0x270/0x270
[  286.357396]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.362935]  ? __cpuset_node_allowed+0x19b/0x660
[  286.367698]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  286.373410]  ? vmpressure+0x1a2/0x340
[  286.377221]  do_try_to_free_pages+0x3e7/0x1290
[  286.381808]  ? zap_class+0x640/0x640
[  286.385541]  ? shrink_node+0x16b0/0x16b0
[  286.389613]  ? __lock_is_held+0xb5/0x140
[  286.393694]  try_to_free_pages+0x4d0/0xb90
[  286.397939]  ? do_try_to_free_pages+0x1290/0x1290
[  286.402798]  ? lock_acquire+0x1ed/0x520
[  286.406773]  ? set_page_refcounted+0x280/0x280
[  286.411367]  ? lock_release+0xa00/0xa00
[  286.415350]  ? _raw_spin_unlock_irq+0x60/0x80
[  286.419848]  ? psi_memstall_enter+0x240/0x2b0
[  286.424354]  ? psi_memstall_tick+0x230/0x230
[  286.428778]  __alloc_pages_slowpath+0xa14/0x2e10
[  286.433571]  ? warn_alloc+0x120/0x120
[  286.437384]  ? mark_held_locks+0x130/0x130
[  286.441632]  ? find_get_entry+0xaae/0x1120
[  286.445885]  ? filemap_map_pages+0x1a20/0x1a20
[  286.450478]  ? zap_class+0x640/0x640
[  286.454201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.459741]  ? check_preemption_disabled+0x48/0x280
[  286.464760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.470299]  ? should_fail+0x22d/0xd01
[  286.474195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.479300]  ? zap_class+0x640/0x640
[  286.483040]  ? __lock_is_held+0xb5/0x140
[  286.487110]  ? mark_held_locks+0x130/0x130
[  286.491352]  ? lock_release+0xa00/0xa00
[  286.495333]  ? perf_trace_sched_process_exec+0x860/0x860
[  286.500787]  ? xa_load+0x2ba/0x460
[  286.504334]  ? lock_downgrade+0x900/0x900
[  286.508490]  ? __might_sleep+0x95/0x190
[  286.512474]  __alloc_pages_nodemask+0xa80/0xde0
[  286.517160]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.522189]  ? __page_cache_alloc+0x191/0x5c0
[  286.526692]  ? xa_load+0x2e1/0x460
[  286.530242]  ? xa_clear_mark+0x40/0x40
[  286.534138]  ? zap_class+0x640/0x640
[  286.537868]  ? zap_class+0x640/0x640
[  286.541621]  ? zap_class+0x640/0x640
[  286.545342]  ? __do_page_cache_readahead+0x663/0x810
[  286.550453]  ? find_held_lock+0x36/0x1c0
[  286.554521]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  286.560066]  alloc_pages_current+0x173/0x350
[  286.564488]  __page_cache_alloc+0x38c/0x5c0
[  286.568811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.573885]  ? kasan_check_read+0x11/0x20
[  286.578041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.583325]  ? generic_perform_write+0x6a0/0x6a0
[  286.588086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.593634]  ? check_preemption_disabled+0x48/0x280
[  286.598667]  filemap_fault+0x1595/0x25f0
[  286.602746]  ? __lock_page_or_retry+0xa00/0xa00
[  286.607419]  ? mark_held_locks+0x130/0x130
[  286.611664]  ? filemap_map_pages+0xd6b/0x1a20
[  286.616178]  ? lock_downgrade+0x900/0x900
[  286.620328]  ? check_preemption_disabled+0x48/0x280
[  286.625353]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.630287]  ? kasan_check_read+0x11/0x20
[  286.634436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.639949]  ? rcu_softirq_qs+0x20/0x20
[  286.643941]  ? filemap_map_pages+0xd92/0x1a20
[  286.648455]  ? find_get_entries_tag+0x1400/0x1400
[  286.653302]  ? debug_object_destroy+0x2b0/0x2b0
[  286.657980]  ? lock_pi_update_atomic+0x150/0x150
[  286.662738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.668289]  ? lock_acquire+0x1ed/0x520
[  286.672265]  ? ext4_filemap_fault+0x7a/0xad
[  286.676607]  ? lock_release+0xa00/0xa00
[  286.680581]  ? perf_trace_sched_process_exec+0x860/0x860
[  286.686048]  ? print_usage_bug+0xc0/0xc0
[  286.690111]  ? print_usage_bug+0xc0/0xc0
[  286.694183]  ? down_read+0x8d/0x120
[  286.697810]  ? ext4_filemap_fault+0x7a/0xad
[  286.702136]  ? __down_interruptible+0x700/0x700
[  286.706820]  ext4_filemap_fault+0x82/0xad
[  286.710981]  __do_fault+0x100/0x6b0
[  286.714617]  ? find_held_lock+0x36/0x1c0
[  286.718691]  ? pmd_devmap_trans_unstable+0x220/0x220
[  286.723806]  ? mark_held_locks+0x130/0x130
[  286.728046]  ? mark_held_locks+0x130/0x130
[  286.732283]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.737039]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.741537]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.746126]  ? kasan_check_read+0x11/0x20
[  286.750276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.755831]  __handle_mm_fault+0x3ea6/0x5be0
[  286.760257]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  286.765109]  ? finish_task_switch+0x1f4/0x910
[  286.769614]  ? finish_task_switch+0x1b4/0x910
[  286.774115]  ? __switch_to_asm+0x34/0x70
[  286.778184]  ? preempt_notifier_register+0x200/0x200
[  286.783292]  ? __switch_to_asm+0x34/0x70
[  286.787356]  ? __switch_to_asm+0x34/0x70
[  286.791433]  ? zap_class+0x640/0x640
[  286.795149]  ? zap_class+0x640/0x640
[  286.798868]  ? __x64_sys_futex+0x53e/0x6a0
[  286.803114]  ? find_held_lock+0x36/0x1c0
[  286.807189]  ? handle_mm_fault+0x42a/0xc70
[  286.811429]  ? lock_downgrade+0x900/0x900
[  286.815581]  ? check_preemption_disabled+0x48/0x280
[  286.820619]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.825553]  ? kasan_check_read+0x11/0x20
[  286.829702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.834980]  ? rcu_softirq_qs+0x20/0x20
[  286.838956]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.844064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.849611]  ? check_preemption_disabled+0x48/0x280
[  286.854643]  handle_mm_fault+0x54f/0xc70
[  286.858716]  ? __handle_mm_fault+0x5be0/0x5be0
[  286.863306]  ? find_vma+0x34/0x190
[  286.866859]  __do_page_fault+0x5e8/0xe60
[  286.870923]  ? trace_hardirqs_off+0xb8/0x310
[  286.875346]  do_page_fault+0xf2/0x7e0
[  286.879153]  ? vmalloc_sync_all+0x30/0x30
[  286.883305]  ? error_entry+0x70/0xd0
[  286.887029]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.892048]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.896980]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.901912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.906763]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.911782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.917248]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.922276]  ? page_fault+0x8/0x30
[  286.925823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.930680]  ? page_fault+0x8/0x30
[  286.934227]  page_fault+0x1e/0x30
[  286.937686] RIP: 0033:0x40f9c0
[  286.940898] Code: Bad RIP value.
[  286.944267] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  286.949631] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  286.956910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  286.964196] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  286.971502] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  286.978782] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  286.986088] warn_alloc_show_mem: 1 callbacks suppressed
[  286.986101] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  286.986103] Mem-Info:
[  286.986134] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  286.986134]  active_file:14 inactive_file:15 isolated_file:0
[  286.986134]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.986134]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  286.986134]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  286.986134]  free:13731 free_pcp:182 free_cma:0
[  286.991484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.998421] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.000823] Call Trace:
[  287.033879] 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
[  287.043239]  <IRQ>
[  287.071096] lowmem_reserve[]: 0 2818 6321 6321
[  287.073688]  dump_stack+0x244/0x39d
[  287.099779] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  287.101943]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.106490] lowmem_reserve[]: 0 0 3503 3503
[  287.110123]  warn_alloc.cold.116+0xb7/0x1bd
[  287.138207] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  287.143411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.147705] lowmem_reserve[]: 0 0 0 0
[  287.152029]  ? lock_downgrade+0x900/0x900
[  287.180986] 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
[  287.185842]  ? trace_hardirqs_off+0xb8/0x310
[  287.189612] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  287.193767]  ? trace_hardirqs_off+0xb8/0x310
[  287.207269] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  287.211688]  __alloc_pages_slowpath+0x26e8/0x2e10
[  287.226842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.231276]  ? warn_alloc+0x120/0x120
[  287.246611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.251456]  ? print_usage_bug+0xc0/0xc0
[  287.260290] 2704 total pagecache pages
[  287.264092]  ? warn_alloc+0x120/0x120
[  287.272653] 0 pages in swap cache
[  287.276720]  ? warn_alloc+0x120/0x120
[  287.280580] Swap cache stats: add 0, delete 0, find 0/0
[  287.284389]  ? print_usage_bug+0xc0/0xc0
[  287.287813] Free swap  = 0kB
[  287.291619]  ? kvm_clock_read+0x18/0x30
[  287.296957] Total swap = 0kB
[  287.301018]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  287.304008] 1965979 pages RAM
[  287.307979]  ? print_usage_bug+0xc0/0xc0
[  287.310972] 0 pages HighMem/MovableOnly
[  287.315986]  ? __lock_acquire+0x62f/0x4c20
[  287.319067] 342858 pages reserved
[  287.323128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.327074] 0 pages cma reserved
[  287.331310]  ? should_fail+0x22d/0xd01
[  287.334804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.340260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.340280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.340298]  ? __lock_acquire+0x62f/0x4c20
[  287.343707] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.347531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.354003] syz-fuzzer cpuset=/ mems_allowed=0
[  287.359281]  ? __lock_acquire+0x62f/0x4c20
[  287.392681]  ? should_fail+0x22d/0xd01
[  287.396573]  ? rcu_irq_exit+0x1a2/0x390
[  287.400577]  ? mark_held_locks+0x130/0x130
[  287.404836]  ? mark_held_locks+0x130/0x130
[  287.409083]  ? mark_held_locks+0xc7/0x130
[  287.413241]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  287.418265]  ? zap_class+0x640/0x640
[  287.421989]  ? print_usage_bug+0xc0/0xc0
[  287.426063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.431618]  ? check_preemption_disabled+0x48/0x280
[  287.436654]  ? __lock_is_held+0xb5/0x140
[  287.440727]  __alloc_pages_nodemask+0xa80/0xde0
[  287.445403]  ? zap_class+0x640/0x640
[  287.449128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.454164]  ? find_held_lock+0x36/0x1c0
[  287.458238]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.462914]  ? lock_downgrade+0x900/0x900
[  287.467076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.472633]  cache_grow_begin+0xa5/0x8c0
[  287.476699]  ? do_raw_spin_unlock+0xa7/0x330
[  287.481118]  fallback_alloc+0x204/0x2e0
[  287.485108]  ____cache_alloc_node+0x1c7/0x1e0
[  287.489622]  kmem_cache_alloc_node+0xe3/0x730
[  287.494123]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.498379]  __alloc_skb+0x119/0x770
[  287.502101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.507401]  ? netdev_alloc_frag+0x1f0/0x1f0
[  287.511828]  ? lock_downgrade+0x900/0x900
[  287.515999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.521552]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.527018]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.532476]  ? addrconf_rs_timer+0x690/0x690
[  287.536902]  ndisc_alloc_skb+0x144/0x340
[  287.540977]  ndisc_send_rs+0x331/0x6e0
[  287.544879]  addrconf_rs_timer+0x314/0x690
[  287.549124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.553377]  call_timer_fn+0x272/0x920
[  287.557269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.561507]  ? process_timeout+0x40/0x40
[  287.565578]  ? __run_timers+0x7da/0xc70
[  287.569569]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.574073]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.578570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.582816]  ? lockdep_hardirqs_on+0x296/0x5b0
[  287.587403]  ? trace_hardirqs_on+0xbd/0x310
[  287.591727]  ? kasan_check_read+0x11/0x20
[  287.595877]  ? __run_timers+0x7da/0xc70
[  287.599858]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.604966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.609210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.613450]  __run_timers+0x7e5/0xc70
[  287.617266]  ? timer_fixup_init+0x70/0x70
[  287.621420]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.626441]  ? zap_class+0x640/0x640
[  287.630164]  ? enqueue_hrtimer+0x1a5/0x560
[  287.634406]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.639804]  ? find_held_lock+0x36/0x1c0
[  287.643871]  ? zap_class+0x640/0x640
[  287.647601]  ? pvclock_read_flags+0x160/0x160
[  287.652101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.657644]  ? check_preemption_disabled+0x48/0x280
[  287.662675]  ? __lock_is_held+0xb5/0x140
[  287.666742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.672281]  ? check_preemption_disabled+0x48/0x280
[  287.677303]  run_timer_softirq+0x52/0xb0
[  287.681372]  ? rcu_read_lock_sched_held+0x14f/0x180
[  287.686391]  __do_softirq+0x308/0xb7e
[  287.690198]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.694694]  ? lock_downgrade+0x900/0x900
[  287.698847]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  287.703970]  ? pvclock_read_flags+0x160/0x160
[  287.708471]  ? lapic_next_event+0x5a/0x90
[  287.712633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.718181]  ? kvm_clock_read+0x18/0x30
[  287.722158]  ? kvm_sched_clock_read+0x9/0x20
[  287.726572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.732120]  ? check_preemption_disabled+0x48/0x280
[  287.737147]  irq_exit+0x17f/0x1c0
[  287.740615]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.745465]  ? smp_reschedule_interrupt+0x109/0x650
[  287.750484]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.756376]  ? interrupt_entry+0xb5/0xc0
[  287.760446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.765461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.770947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.776751]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.781770]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.786787]  ? task_prio+0x50/0x50
[  287.790334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.795879]  ? check_preemption_disabled+0x48/0x280
[  287.800902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.805756]  apic_timer_interrupt+0xf/0x20
[  287.809986]  </IRQ>
[  287.812227] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  287.817160] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  287.836062] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  287.843790] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  287.851058] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  287.858324] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  287.865606] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.872878] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  287.880192]  skb_clone+0x1bb/0x500
[  287.883735]  ? finish_task_switch+0x1b4/0x910
[  287.888234]  ? skb_split+0x11e0/0x11e0
[  287.892126]  ? preempt_notifier_register+0x200/0x200
[  287.897230]  ? __switch_to_asm+0x34/0x70
[  287.901297]  ? __switch_to_asm+0x34/0x70
[  287.905379]  ? __switch_to_asm+0x40/0x70
[  287.909441]  ? __switch_to_asm+0x34/0x70
[  287.913503]  ? __switch_to_asm+0x40/0x70
[  287.917567]  ? __switch_to_asm+0x34/0x70
[  287.921634]  ? __switch_to_asm+0x40/0x70
[  287.925701]  ? __switch_to_asm+0x34/0x70
[  287.929767]  ? __switch_to_asm+0x34/0x70
[  287.933828]  ? __switch_to_asm+0x40/0x70
[  287.937898]  ? __switch_to_asm+0x34/0x70
[  287.941970]  bpf_clone_redirect+0xb9/0x490
[  287.946212]  ? __schedule+0x8d7/0x21d0
[  287.950106]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  287.955126]  ? __sched_text_start+0x8/0x8
[  287.959277]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.964049]  ? find_held_lock+0x36/0x1c0
[  287.968124]  ? lock_acquire+0x1ed/0x520
[  287.972103]  ? bpf_test_run+0x3cb/0x780
[  287.976080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.981629]  ? check_preemption_disabled+0x48/0x280
[  287.986654]  ? kasan_check_read+0x11/0x20
[  287.990803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.996081]  ? rcu_softirq_qs+0x20/0x20
[  288.000062]  ? preempt_schedule+0x4d/0x60
[  288.004212]  ? ___preempt_schedule+0x16/0x18
[  288.008638]  ? bpf_test_run+0x25d/0x780
[  288.012634]  ? netlink_diag_dump+0x2a0/0x2a0
[  288.017049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.022605]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  288.027382]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  288.032224]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  288.037850]  ? fput+0x130/0x1a0
[  288.041133]  ? __bpf_prog_get+0x9b/0x290
[  288.045197]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  288.050045]  ? bpf_prog_test_run+0x130/0x1a0
[  288.054506]  ? __x64_sys_bpf+0x3d8/0x520
[  288.058573]  ? bpf_prog_get+0x20/0x20
[  288.062411]  ? do_syscall_64+0x1b9/0x820
[  288.066476]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  288.071849]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.076785]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.081804]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  288.086826]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  288.093496]  ? __switch_to_asm+0x40/0x70
[  288.097558]  ? __switch_to_asm+0x34/0x70
[  288.101638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.106492]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  288.111875] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  288.111954] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.118543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.118548] Call Trace:
[  288.118555]  <IRQ>
[  288.118572]  dump_stack+0x244/0x39d
[  288.118601]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.125167] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.134443]  warn_alloc.cold.116+0xb7/0x1bd
[  288.136996] syz-executor1 cpuset=syz1 mems_allowed=0
[  288.139145]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.172641]  ? lock_downgrade+0x900/0x900
[  288.176802]  ? trace_hardirqs_off+0xb8/0x310
[  288.181223]  ? trace_hardirqs_off+0xb8/0x310
[  288.185649]  __alloc_pages_slowpath+0x26e8/0x2e10
[  288.190524]  ? warn_alloc+0x120/0x120
[  288.194329]  ? print_usage_bug+0xc0/0xc0
[  288.198394]  ? warn_alloc+0x120/0x120
[  288.202202]  ? warn_alloc+0x120/0x120
[  288.206009]  ? print_usage_bug+0xc0/0xc0
[  288.210076]  ? print_usage_bug+0xc0/0xc0
[  288.214142]  ? __lock_acquire+0x62f/0x4c20
[  288.218389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.223932]  ? should_fail+0x22d/0xd01
[  288.227825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.232934]  ? __lock_acquire+0x62f/0x4c20
[  288.237178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.242285]  ? __lock_acquire+0x62f/0x4c20
[  288.246518]  ? should_fail+0x22d/0xd01
[  288.250408]  ? find_held_lock+0x36/0x1c0
[  288.254481]  ? mark_held_locks+0x130/0x130
[  288.258723]  ? mark_held_locks+0x130/0x130
[  288.262958]  ? zap_class+0x640/0x640
[  288.266673]  ? zap_class+0x640/0x640
[  288.270394]  ? print_usage_bug+0xc0/0xc0
[  288.274454]  ? do_raw_spin_unlock+0xa7/0x330
[  288.278871]  ? zap_class+0x640/0x640
[  288.282589]  ? print_usage_bug+0xc0/0xc0
[  288.286667]  ? wq_watchdog_touch+0x9c/0xfe
[  288.290913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.296458]  ? check_preemption_disabled+0x48/0x280
[  288.301486]  ? __lock_is_held+0xb5/0x140
[  288.305589]  __alloc_pages_nodemask+0xa80/0xde0
[  288.310274]  ? zap_class+0x640/0x640
[  288.313998]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.319027]  ? find_held_lock+0x36/0x1c0
[  288.323104]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.327778]  ? lock_downgrade+0x900/0x900
[  288.331935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.337502]  cache_grow_begin+0xa5/0x8c0
[  288.341567]  ? do_raw_spin_unlock+0xa7/0x330
[  288.345995]  fallback_alloc+0x204/0x2e0
[  288.349978]  ____cache_alloc_node+0x1c7/0x1e0
[  288.354489]  kmem_cache_alloc_node+0xe3/0x730
[  288.358990]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.363236]  __alloc_skb+0x119/0x770
[  288.366959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.372245]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.376659]  ? lock_downgrade+0x900/0x900
[  288.380819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.386364]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.391822]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.397280]  ? addrconf_rs_timer+0x690/0x690
[  288.401703]  ndisc_alloc_skb+0x144/0x340
[  288.405776]  ndisc_send_rs+0x331/0x6e0
[  288.409670]  addrconf_rs_timer+0x314/0x690
[  288.413913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.418159]  call_timer_fn+0x272/0x920
[  288.422048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.426283]  ? process_timeout+0x40/0x40
[  288.430359]  ? mark_held_locks+0xc7/0x130
[  288.434521]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.439022]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.443516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.447759]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.452345]  ? trace_hardirqs_on+0xbd/0x310
[  288.456672]  ? kasan_check_read+0x11/0x20
[  288.460825]  ? __run_timers+0x7da/0xc70
[  288.464833]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.469948]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.474191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.478428]  __run_timers+0x7e5/0xc70
[  288.482258]  ? timer_fixup_init+0x70/0x70
[  288.486418]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.491439]  ? zap_class+0x640/0x640
[  288.495161]  ? print_usage_bug+0xc0/0xc0
[  288.499233]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.504440]  ? find_held_lock+0x36/0x1c0
[  288.508513]  ? zap_class+0x640/0x640
[  288.512237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.517779]  ? check_preemption_disabled+0x48/0x280
[  288.522809]  ? __lock_is_held+0xb5/0x140
[  288.526881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.532429]  ? check_preemption_disabled+0x48/0x280
[  288.537457]  run_timer_softirq+0x52/0xb0
[  288.541526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.546548]  __do_softirq+0x308/0xb7e
[  288.550362]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  288.554868]  ? lock_downgrade+0x900/0x900
[  288.559030]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.564150]  ? pvclock_read_flags+0x160/0x160
[  288.568655]  ? lapic_next_event+0x5a/0x90
[  288.572815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.578362]  ? kvm_clock_read+0x18/0x30
[  288.582339]  ? kvm_sched_clock_read+0x9/0x20
[  288.586753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.592293]  ? check_preemption_disabled+0x48/0x280
[  288.597326]  irq_exit+0x17f/0x1c0
[  288.600790]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.605648]  ? smp_reschedule_interrupt+0x109/0x650
[  288.610673]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.616565]  ? interrupt_entry+0xb5/0xc0
[  288.620639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.625655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.630681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.635529]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.640552]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.645570]  ? task_prio+0x50/0x50
[  288.649125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.654665]  ? check_preemption_disabled+0x48/0x280
[  288.659695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.664551]  apic_timer_interrupt+0xf/0x20
[  288.668799]  </IRQ>
[  288.671047] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  288.677193] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  288.696097] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  288.703813] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  288.711081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  288.718348] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  288.725624] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  288.732892] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  288.740271]  ? unlock_page+0x25d/0x4c0
[  288.744173]  unlock_page+0x25d/0x4c0
[  288.747892]  ? wake_up_page_bit+0x6f0/0x6f0
[  288.752216]  ? shrink_page_list+0x7e68/0xccd0
[  288.756716]  ? shrink_page_list+0x7e68/0xccd0
[  288.761214]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.765806]  ? shrink_inactive_list+0x77b/0x1c60
[  288.770565]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.775681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.781221]  ? check_preemption_disabled+0x48/0x280
[  288.786237]  ? shrink_page_list+0x145c/0xccd0
[  288.790739]  shrink_page_list+0x3714/0xccd0
[  288.795092]  ? page_evictable+0x540/0x540
[  288.799415]  ? rb_erase_cached+0xc78/0x3720
[  288.803746]  ? rb_erase_cached+0xc78/0x3720
[  288.808077]  ? rb_next+0x140/0x140
[  288.811635]  ? rb_next+0x140/0x140
[  288.815185]  ? rb_next+0x140/0x140
[  288.818804]  ? zap_class+0x640/0x640
[  288.822520]  ? zap_class+0x640/0x640
[  288.826234]  ? zap_class+0x640/0x640
[  288.829961]  ? zap_class+0x640/0x640
[  288.833681]  ? __update_load_avg_se+0x5eb/0xae0
[  288.838358]  ? __update_load_avg_blocked_se+0x690/0x690
[  288.843728]  ? __update_load_avg_se+0xae0/0xae0
[  288.848396]  ? zap_class+0x640/0x640
[  288.852125]  ? update_load_avg+0x387/0x2470
[  288.856456]  ? attach_entity_load_avg+0x860/0x860
[  288.861310]  ? update_load_avg+0x387/0x2470
[  288.865643]  ? attach_entity_load_avg+0x860/0x860
[  288.870493]  ? attach_entity_load_avg+0x860/0x860
[  288.875346]  ? attach_entity_load_avg+0x860/0x860
[  288.880205]  ? rb_erase+0x3710/0x3710
[  288.884008]  ? rb_erase+0x3710/0x3710
[  288.887809]  ? rb_erase+0x3710/0x3710
[  288.891626]  ? rb_erase+0x3710/0x3710
[  288.895433]  ? rb_erase+0x3710/0x3710
[  288.899242]  ? __lock_acquire+0x62f/0x4c20
[  288.903491]  ? zap_class+0x640/0x640
[  288.907209]  ? print_usage_bug+0xc0/0xc0
[  288.911277]  ? zap_class+0x640/0x640
[  288.914992]  ? zap_class+0x640/0x640
[  288.918710]  ? print_usage_bug+0xc0/0xc0
[  288.922777]  ? print_usage_bug+0xc0/0xc0
[  288.926839]  ? zap_class+0x640/0x640
[  288.930562]  ? __lock_is_held+0xb5/0x140
[  288.934643]  ? print_usage_bug+0xc0/0xc0
[  288.938717]  ? __lock_acquire+0x62f/0x4c20
[  288.942960]  ? mark_held_locks+0x130/0x130
[  288.947199]  ? print_usage_bug+0xc0/0xc0
[  288.951268]  ? rb_erase_cached+0xc78/0x3720
[  288.955606]  ? rb_next+0x140/0x140
[  288.959165]  ? rb_next+0x140/0x140
[  288.962709]  ? __lock_acquire+0x62f/0x4c20
[  288.966948]  ? __lock_acquire+0x62f/0x4c20
[  288.971183]  ? rcu_note_context_switch+0x12ad/0x2150
[  288.976291]  ? print_usage_bug+0xc0/0xc0
[  288.980369]  ? mark_held_locks+0x130/0x130
[  288.984620]  ? zap_class+0x640/0x640
[  288.988337]  ? print_usage_bug+0xc0/0xc0
[  288.992398]  ? put_dec+0x3b/0xf0
[  288.995785]  ? rb_next+0x140/0x140
[  288.999334]  ? __lock_acquire+0x62f/0x4c20
[  289.003571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.009123]  ? check_preemption_disabled+0x48/0x280
[  289.014156]  ? print_usage_bug+0xc0/0xc0
[  289.018226]  ? rb_erase_cached+0xc78/0x3720
[  289.022559]  ? rb_next+0x140/0x140
[  289.026123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.031663]  ? __isolate_lru_page+0xd05/0x1540
[  289.036266]  ? print_usage_bug+0xc0/0xc0
[  289.040331]  ? mark_held_locks+0x130/0x130
[  289.044570]  ? zap_class+0x640/0x640
[  289.048297]  ? update_load_avg+0x13b8/0x2470
[  289.052721]  ? print_usage_bug+0xc0/0xc0
[  289.056789]  ? zap_class+0x640/0x640
[  289.060511]  ? __lock_acquire+0x62f/0x4c20
[  289.064750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.070293]  ? check_preemption_disabled+0x48/0x280
[  289.075320]  ? __update_load_avg_blocked_se+0x690/0x690
[  289.080707]  ? __update_load_avg_se+0xae0/0xae0
[  289.085377]  ? zap_class+0x640/0x640
[  289.089102]  ? update_load_avg+0x387/0x2470
[  289.093434]  ? attach_entity_load_avg+0x860/0x860
[  289.098284]  ? update_load_avg+0x387/0x2470
[  289.102621]  ? attach_entity_load_avg+0x860/0x860
[  289.107472]  ? attach_entity_load_avg+0x860/0x860
[  289.112323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.117872]  ? __isolate_lru_page+0xd05/0x1540
[  289.122459]  ? putback_lru_page+0x280/0x280
[  289.126784]  ? rb_erase+0x3710/0x3710
[  289.130603]  ? mark_held_locks+0x130/0x130
[  289.134844]  ? cpuacct_charge+0x265/0x440
[  289.139007]  ? find_held_lock+0x36/0x1c0
[  289.143084]  ? zap_class+0x640/0x640
[  289.146804]  ? print_usage_bug+0xc0/0xc0
[  289.150872]  ? zap_class+0x640/0x640
[  289.154586]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.159526]  ? kasan_check_read+0x11/0x20
[  289.163678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.168960]  ? zap_class+0x640/0x640
[  289.172675]  ? __lock_is_held+0xb5/0x140
[  289.176742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.182285]  ? check_preemption_disabled+0x48/0x280
[  289.187314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.192860]  ? check_preemption_disabled+0x48/0x280
[  289.197889]  ? __lock_is_held+0xb5/0x140
[  289.201960]  ? __this_cpu_preempt_check+0x1c/0x20
[  289.206806]  ? __mod_zone_page_state+0x8a/0xf0
[  289.211394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.216932]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  289.222144]  ? __isolate_lru_page+0x1540/0x1540
[  289.226832]  ? zap_class+0x640/0x640
[  289.230553]  ? print_usage_bug+0xc0/0xc0
[  289.234625]  ? __account_cfs_rq_runtime+0x790/0x790
[  289.239649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.245192]  ? find_held_lock+0x36/0x1c0
[  289.249261]  ? zap_class+0x640/0x640
[  289.252978]  ? print_usage_bug+0xc0/0xc0
[  289.257040]  ? mark_held_locks+0xc7/0x130
[  289.261197]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.265703]  ? zap_class+0x640/0x640
[  289.269420]  ? print_usage_bug+0xc0/0xc0
[  289.273488]  ? mark_held_locks+0xc7/0x130
[  289.277646]  ? find_held_lock+0x36/0x1c0
[  289.281720]  ? mark_held_locks+0xc7/0x130
[  289.285877]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.290373]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.294878]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.299468]  ? trace_hardirqs_on+0xbd/0x310
[  289.303791]  ? kasan_check_read+0x11/0x20
[  289.307940]  ? shrink_inactive_list+0x741/0x1c60
[  289.312699]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.317803]  ? trace_hardirqs_on+0x310/0x310
[  289.322220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.327762]  ? check_preemption_disabled+0x48/0x280
[  289.332790]  shrink_inactive_list+0x77b/0x1c60
[  289.337390]  ? putback_inactive_pages+0x27e0/0x27e0
[  289.342414]  ? kasan_check_read+0x11/0x20
[  289.346567]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  289.351864]  ? __rcu_read_unlock+0x2d6/0x2e0
[  289.356278]  ? blk_lld_busy+0x70/0x70
[  289.360079]  ? kasan_check_read+0x11/0x20
[  289.364245]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  289.369191]  shrink_node_memcg+0x78b/0x18f0
[  289.373531]  ? shrink_active_list+0x1f00/0x1f00
[  289.378206]  ? lock_downgrade+0x900/0x900
[  289.382355]  ? check_flush_dependency+0x410/0x410
[  289.387211]  ? kasan_check_read+0x11/0x20
[  289.391358]  ? do_raw_spin_unlock+0xa7/0x330
[  289.395776]  ? ___preempt_schedule+0x16/0x18
[  289.400196]  ? _raw_spin_unlock+0x3f/0x50
[  289.404355]  shrink_node+0x3bc/0x16b0
[  289.408169]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  289.413472]  ? shrink_node_memcg+0x18f0/0x18f0
[  289.418059]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.422645]  ? trace_hardirqs_on+0xbd/0x310
[  289.426973]  ? vmpressure+0x271/0x340
[  289.430781]  ? do_raw_spin_trylock+0x270/0x270
[  289.435375]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.440920]  ? __cpuset_node_allowed+0x19b/0x660
[  289.445685]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  289.451403]  ? vmpressure+0x1a2/0x340
[  289.455216]  do_try_to_free_pages+0x3e7/0x1290
[  289.459801]  ? zap_class+0x640/0x640
[  289.463533]  ? shrink_node+0x16b0/0x16b0
[  289.467606]  ? __lock_is_held+0xb5/0x140
[  289.471686]  try_to_free_pages+0x4d0/0xb90
[  289.475928]  ? do_try_to_free_pages+0x1290/0x1290
[  289.480787]  ? lock_acquire+0x1ed/0x520
[  289.484766]  ? set_page_refcounted+0x280/0x280
[  289.489357]  ? lock_release+0xa00/0xa00
[  289.493335]  ? _raw_spin_unlock_irq+0x60/0x80
[  289.497832]  ? psi_memstall_enter+0x240/0x2b0
[  289.502333]  ? psi_memstall_tick+0x230/0x230
[  289.506757]  __alloc_pages_slowpath+0xa14/0x2e10
[  289.511548]  ? warn_alloc+0x120/0x120
[  289.515348]  ? mark_held_locks+0x130/0x130
[  289.519600]  ? find_get_entry+0xaae/0x1120
[  289.523846]  ? filemap_map_pages+0x1a20/0x1a20
[  289.528447]  ? zap_class+0x640/0x640
[  289.532172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.537719]  ? check_preemption_disabled+0x48/0x280
[  289.542742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.548294]  ? should_fail+0x22d/0xd01
[  289.552193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.557301]  ? zap_class+0x640/0x640
[  289.561046]  ? __lock_is_held+0xb5/0x140
[  289.565123]  ? mark_held_locks+0x130/0x130
[  289.569366]  ? lock_release+0xa00/0xa00
[  289.573349]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.578801]  ? xa_load+0x2ba/0x460
[  289.582350]  ? lock_downgrade+0x900/0x900
[  289.586505]  ? __might_sleep+0x95/0x190
[  289.590487]  __alloc_pages_nodemask+0xa80/0xde0
[  289.595172]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  289.600193]  ? __page_cache_alloc+0x191/0x5c0
[  289.604692]  ? xa_load+0x2e1/0x460
[  289.608240]  ? xa_clear_mark+0x40/0x40
[  289.612131]  ? zap_class+0x640/0x640
[  289.615859]  ? zap_class+0x640/0x640
[  289.619578]  ? zap_class+0x640/0x640
[  289.623305]  ? __do_page_cache_readahead+0x663/0x810
[  289.628419]  ? find_held_lock+0x36/0x1c0
[  289.632488]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  289.638234]  alloc_pages_current+0x173/0x350
[  289.642657]  __page_cache_alloc+0x38c/0x5c0
[  289.646977]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.651909]  ? kasan_check_read+0x11/0x20
[  289.656057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.661339]  ? generic_perform_write+0x6a0/0x6a0
[  289.666099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.671641]  ? check_preemption_disabled+0x48/0x280
[  289.676670]  filemap_fault+0x1595/0x25f0
[  289.680749]  ? __lock_page_or_retry+0xa00/0xa00
[  289.685422]  ? mark_held_locks+0x130/0x130
[  289.689688]  ? filemap_map_pages+0xd6b/0x1a20
[  289.694189]  ? lock_downgrade+0x900/0x900
[  289.698338]  ? check_preemption_disabled+0x48/0x280
[  289.703359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.708295]  ? kasan_check_read+0x11/0x20
[  289.712445]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.717726]  ? rcu_softirq_qs+0x20/0x20
[  289.721717]  ? filemap_map_pages+0xd92/0x1a20
[  289.726227]  ? find_get_entries_tag+0x1400/0x1400
[  289.731077]  ? debug_object_destroy+0x2b0/0x2b0
[  289.735750]  ? lock_pi_update_atomic+0x150/0x150
[  289.740507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.746059]  ? lock_acquire+0x1ed/0x520
[  289.750037]  ? ext4_filemap_fault+0x7a/0xad
[  289.754385]  ? lock_release+0xa00/0xa00
[  289.758365]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.763825]  ? print_usage_bug+0xc0/0xc0
[  289.768070]  ? print_usage_bug+0xc0/0xc0
[  289.772140]  ? down_read+0x8d/0x120
[  289.775768]  ? ext4_filemap_fault+0x7a/0xad
[  289.780092]  ? __down_interruptible+0x700/0x700
[  289.784777]  ext4_filemap_fault+0x82/0xad
[  289.788929]  __do_fault+0x100/0x6b0
[  289.792551]  ? find_held_lock+0x36/0x1c0
[  289.796623]  ? pmd_devmap_trans_unstable+0x220/0x220
[  289.801917]  ? mark_held_locks+0x130/0x130
[  289.806155]  ? mark_held_locks+0x130/0x130
[  289.810394]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.814891]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.819389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.823980]  ? kasan_check_read+0x11/0x20
[  289.828135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.833682]  __handle_mm_fault+0x3ea6/0x5be0
[  289.838103]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  289.842952]  ? finish_task_switch+0x1f4/0x910
[  289.847450]  ? finish_task_switch+0x1b4/0x910
[  289.851983]  ? __switch_to_asm+0x34/0x70
[  289.856058]  ? preempt_notifier_register+0x200/0x200
[  289.861166]  ? __switch_to_asm+0x34/0x70
[  289.865230]  ? __switch_to_asm+0x34/0x70
[  289.869307]  ? zap_class+0x640/0x640
[  289.873020]  ? zap_class+0x640/0x640
[  289.876737]  ? __x64_sys_futex+0x53e/0x6a0
[  289.881000]  ? find_held_lock+0x36/0x1c0
[  289.885078]  ? handle_mm_fault+0x42a/0xc70
[  289.889322]  ? lock_downgrade+0x900/0x900
[  289.893481]  ? check_preemption_disabled+0x48/0x280
[  289.898506]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.903440]  ? kasan_check_read+0x11/0x20
[  289.907603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.912892]  ? rcu_softirq_qs+0x20/0x20
[  289.916874]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.921983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.927527]  ? check_preemption_disabled+0x48/0x280
[  289.932560]  handle_mm_fault+0x54f/0xc70
[  289.936636]  ? __handle_mm_fault+0x5be0/0x5be0
[  289.941223]  ? find_vma+0x34/0x190
[  289.944772]  __do_page_fault+0x5e8/0xe60
[  289.948851]  ? trace_hardirqs_off+0xb8/0x310
[  289.953281]  do_page_fault+0xf2/0x7e0
[  289.957088]  ? vmalloc_sync_all+0x30/0x30
[  289.961263]  ? error_entry+0x70/0xd0
[  289.964981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.969998]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.974929]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.979880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.984734]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.989752]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.995216]  ? prepare_exit_to_usermode+0x291/0x3b0
[  290.000238]  ? page_fault+0x8/0x30
[  290.003784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.008636]  ? page_fault+0x8/0x30
[  290.012183]  page_fault+0x1e/0x30
[  290.015636] RIP: 0033:0x40f9c0
[  290.018840] Code: Bad RIP value.
[  290.022209] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  290.027570] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  290.034846] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  290.042125] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  290.049395] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  290.056666] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  290.063960] warn_alloc_show_mem: 1 callbacks suppressed
[  290.063972] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  290.063974] Mem-Info:
[  290.064006] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  290.064006]  active_file:14 inactive_file:15 isolated_file:0
[  290.064006]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.064006]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  290.064006]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  290.064006]  free:13731 free_pcp:182 free_cma:0
[  290.069346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.076283] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.078683] Call Trace:
[  290.111752] 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
[  290.121108]  <IRQ>
[  290.148948] lowmem_reserve[]: 0 2818 6321 6321
[  290.151542]  dump_stack+0x244/0x39d
[  290.177638] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  290.179799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.184350] lowmem_reserve[]: 0 0 3503 3503
[  290.187990]  warn_alloc.cold.116+0xb7/0x1bd
[  290.215730] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  290.220929]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.225215] lowmem_reserve[]: 0 0 0 0
[  290.229538]  ? lock_downgrade+0x900/0x900
[  290.258505] 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
[  290.263370]  ? trace_hardirqs_off+0xb8/0x310
[  290.267133] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  290.271287]  ? trace_hardirqs_off+0xb8/0x310
[  290.284786] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  290.289206]  __alloc_pages_slowpath+0x26e8/0x2e10
[  290.304351] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.308780]  ? warn_alloc+0x120/0x120
[  290.324085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.328923]  ? print_usage_bug+0xc0/0xc0
[  290.337732] 2704 total pagecache pages
[  290.341532]  ? warn_alloc+0x120/0x120
[  290.350089] 0 pages in swap cache
[  290.354145]  ? warn_alloc+0x120/0x120
[  290.358008] Swap cache stats: add 0, delete 0, find 0/0
[  290.361800]  ? print_usage_bug+0xc0/0xc0
[  290.365224] Free swap  = 0kB
[  290.369022]  ? kvm_clock_read+0x18/0x30
[  290.374362] Total swap = 0kB
[  290.378421]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.381415] 1965979 pages RAM
[  290.385389]  ? print_usage_bug+0xc0/0xc0
[  290.388383] 0 pages HighMem/MovableOnly
[  290.393394]  ? __lock_acquire+0x62f/0x4c20
[  290.396474] 342858 pages reserved
[  290.400534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.404484] 0 pages cma reserved
[  290.408713]  ? should_fail+0x22d/0xd01
[  290.412201] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.417662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.417680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.417698]  ? __lock_acquire+0x62f/0x4c20
[  290.421107] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.424930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.431400] syz-fuzzer cpuset=/ mems_allowed=0
[  290.436672]  ? __lock_acquire+0x62f/0x4c20
[  290.436689]  ? should_fail+0x22d/0xd01
[  290.473967]  ? rcu_irq_exit+0x1a2/0x390
[  290.477963]  ? mark_held_locks+0x130/0x130
[  290.482208]  ? mark_held_locks+0x130/0x130
[  290.486452]  ? mark_held_locks+0xc7/0x130
[  290.490611]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  290.495638]  ? zap_class+0x640/0x640
[  290.499359]  ? print_usage_bug+0xc0/0xc0
[  290.503431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.508980]  ? check_preemption_disabled+0x48/0x280
[  290.514012]  ? __lock_is_held+0xb5/0x140
[  290.518087]  __alloc_pages_nodemask+0xa80/0xde0
[  290.522763]  ? zap_class+0x640/0x640
[  290.526485]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.531515]  ? find_held_lock+0x36/0x1c0
[  290.535603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.540278]  ? lock_downgrade+0x900/0x900
[  290.544441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.549999]  cache_grow_begin+0xa5/0x8c0
[  290.554069]  ? do_raw_spin_unlock+0xa7/0x330
[  290.558491]  fallback_alloc+0x204/0x2e0
[  290.562481]  ____cache_alloc_node+0x1c7/0x1e0
[  290.566987]  kmem_cache_alloc_node+0xe3/0x730
[  290.571485]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.575736]  __alloc_skb+0x119/0x770
[  290.579449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.584735]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.589148]  ? lock_downgrade+0x900/0x900
[  290.593313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.598865]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.604331]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.609797]  ? addrconf_rs_timer+0x690/0x690
[  290.614233]  ndisc_alloc_skb+0x144/0x340
[  290.618313]  ndisc_send_rs+0x331/0x6e0
[  290.622211]  addrconf_rs_timer+0x314/0x690
[  290.626454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.630700]  call_timer_fn+0x272/0x920
[  290.634588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.638835]  ? process_timeout+0x40/0x40
[  290.642907]  ? __run_timers+0x7da/0xc70
[  290.646887]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.651388]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.655884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.660121]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.664805]  ? trace_hardirqs_on+0xbd/0x310
[  290.669131]  ? kasan_check_read+0x11/0x20
[  290.673284]  ? __run_timers+0x7da/0xc70
[  290.677313]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.682431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.686679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.690923]  __run_timers+0x7e5/0xc70
[  290.694748]  ? timer_fixup_init+0x70/0x70
[  290.698910]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.703936]  ? zap_class+0x640/0x640
[  290.707662]  ? enqueue_hrtimer+0x1a5/0x560
[  290.711909]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.717114]  ? find_held_lock+0x36/0x1c0
[  290.721186]  ? zap_class+0x640/0x640
[  290.724908]  ? pvclock_read_flags+0x160/0x160
[  290.729409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.734949]  ? check_preemption_disabled+0x48/0x280
[  290.739980]  ? __lock_is_held+0xb5/0x140
[  290.744046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.749583]  ? check_preemption_disabled+0x48/0x280
[  290.754624]  run_timer_softirq+0x52/0xb0
[  290.758688]  ? rcu_read_lock_sched_held+0x14f/0x180
[  290.763711]  __do_softirq+0x308/0xb7e
[  290.767518]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  290.772498]  ? lock_downgrade+0x900/0x900
[  290.776653]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  290.781763]  ? pvclock_read_flags+0x160/0x160
[  290.786263]  ? lapic_next_event+0x5a/0x90
[  290.790417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.795966]  ? kvm_clock_read+0x18/0x30
[  290.799945]  ? kvm_sched_clock_read+0x9/0x20
[  290.804368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.809909]  ? check_preemption_disabled+0x48/0x280
[  290.814939]  irq_exit+0x17f/0x1c0
[  290.818401]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.823246]  ? smp_reschedule_interrupt+0x109/0x650
[  290.828268]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.834160]  ? interrupt_entry+0xb5/0xc0
[  290.838232]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.843269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.848297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.853185]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.858206]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.863229]  ? task_prio+0x50/0x50
[  290.866780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.872328]  ? check_preemption_disabled+0x48/0x280
[  290.877371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.882229]  apic_timer_interrupt+0xf/0x20
[  290.886464]  </IRQ>
[  290.888713] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  290.893645] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  290.912558] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  290.920304] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  290.927582] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  290.934867] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  290.942138] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  290.949410] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  290.956736]  skb_clone+0x1bb/0x500
[  290.960285]  ? finish_task_switch+0x1b4/0x910
[  290.964791]  ? skb_split+0x11e0/0x11e0
[  290.968687]  ? preempt_notifier_register+0x200/0x200
[  290.973799]  ? __switch_to_asm+0x34/0x70
[  290.977866]  ? __switch_to_asm+0x34/0x70
[  290.981929]  ? __switch_to_asm+0x40/0x70
[  290.985993]  ? __switch_to_asm+0x34/0x70
[  290.990055]  ? __switch_to_asm+0x40/0x70
[  290.994123]  ? __switch_to_asm+0x34/0x70
[  290.998190]  ? __switch_to_asm+0x40/0x70
[  291.002255]  ? __switch_to_asm+0x34/0x70
[  291.006322]  ? __switch_to_asm+0x34/0x70
[  291.010394]  ? __switch_to_asm+0x40/0x70
[  291.014458]  ? __switch_to_asm+0x34/0x70
[  291.018537]  bpf_clone_redirect+0xb9/0x490
[  291.022778]  ? __schedule+0x8d7/0x21d0
[  291.026679]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  291.031706]  ? __sched_text_start+0x8/0x8
[  291.035855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.040635]  ? find_held_lock+0x36/0x1c0
[  291.044709]  ? lock_acquire+0x1ed/0x520
[  291.048685]  ? bpf_test_run+0x3cb/0x780
[  291.052663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.058205]  ? check_preemption_disabled+0x48/0x280
[  291.063231]  ? kasan_check_read+0x11/0x20
[  291.067393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.072675]  ? rcu_softirq_qs+0x20/0x20
[  291.076657]  ? preempt_schedule+0x4d/0x60
[  291.080808]  ? ___preempt_schedule+0x16/0x18
[  291.085231]  ? bpf_test_run+0x25d/0x780
[  291.089222]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.093644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.099195]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  291.103968]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.108817]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.114371]  ? fput+0x130/0x1a0
[  291.117657]  ? __bpf_prog_get+0x9b/0x290
[  291.121728]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.126575]  ? bpf_prog_test_run+0x130/0x1a0
[  291.131003]  ? __x64_sys_bpf+0x3d8/0x520
[  291.135066]  ? bpf_prog_get+0x20/0x20
[  291.138891]  ? do_syscall_64+0x1b9/0x820
[  291.142961]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.148330]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.153273]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.158295]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.163317]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  291.169995]  ? __switch_to_asm+0x40/0x70
[  291.174058]  ? __switch_to_asm+0x34/0x70
[  291.178128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.182983]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.188374] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  291.188493] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.194962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.194967] Call Trace:
[  291.194974]  <IRQ>
[  291.194992]  dump_stack+0x244/0x39d
[  291.195010]  ? dump_stack_print_info.cold.1+0x20/0x20
[  291.201544] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.210848]  warn_alloc.cold.116+0xb7/0x1bd
[  291.213396] syz-executor1 cpuset=syz1 mems_allowed=0
[  291.215540]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.249037]  ? lock_downgrade+0x900/0x900
[  291.253204]  ? trace_hardirqs_off+0xb8/0x310
[  291.257631]  ? trace_hardirqs_off+0xb8/0x310
[  291.262060]  __alloc_pages_slowpath+0x26e8/0x2e10
[  291.266939]  ? warn_alloc+0x120/0x120
[  291.270751]  ? print_usage_bug+0xc0/0xc0
[  291.274816]  ? warn_alloc+0x120/0x120
[  291.278633]  ? warn_alloc+0x120/0x120
[  291.282445]  ? print_usage_bug+0xc0/0xc0
[  291.286516]  ? print_usage_bug+0xc0/0xc0
[  291.290586]  ? __lock_acquire+0x62f/0x4c20
[  291.294844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.300394]  ? should_fail+0x22d/0xd01
[  291.304293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.309410]  ? __lock_acquire+0x62f/0x4c20
[  291.313656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.318766]  ? __lock_acquire+0x62f/0x4c20
[  291.323003]  ? should_fail+0x22d/0xd01
[  291.326907]  ? find_held_lock+0x36/0x1c0
[  291.330978]  ? mark_held_locks+0x130/0x130
[  291.335224]  ? mark_held_locks+0x130/0x130
[  291.339459]  ? zap_class+0x640/0x640
[  291.343179]  ? zap_class+0x640/0x640
[  291.346898]  ? print_usage_bug+0xc0/0xc0
[  291.350961]  ? do_raw_spin_unlock+0xa7/0x330
[  291.355377]  ? zap_class+0x640/0x640
[  291.359093]  ? print_usage_bug+0xc0/0xc0
[  291.363160]  ? wq_watchdog_touch+0x9c/0xfe
[  291.367405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.372944]  ? check_preemption_disabled+0x48/0x280
[  291.377974]  ? __lock_is_held+0xb5/0x140
[  291.382043]  __alloc_pages_nodemask+0xa80/0xde0
[  291.386718]  ? zap_class+0x640/0x640
[  291.390444]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  291.395476]  ? find_held_lock+0x36/0x1c0
[  291.399552]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.404225]  ? lock_downgrade+0x900/0x900
[  291.408389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.413940]  cache_grow_begin+0xa5/0x8c0
[  291.418009]  ? do_raw_spin_unlock+0xa7/0x330
[  291.422428]  fallback_alloc+0x204/0x2e0
[  291.426413]  ____cache_alloc_node+0x1c7/0x1e0
[  291.430917]  kmem_cache_alloc_node+0xe3/0x730
[  291.435420]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.439667]  __alloc_skb+0x119/0x770
[  291.443384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.448669]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.453085]  ? lock_downgrade+0x900/0x900
[  291.457249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.462788]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.468249]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.473706]  ? addrconf_rs_timer+0x690/0x690
[  291.478129]  ndisc_alloc_skb+0x144/0x340
[  291.482198]  ndisc_send_rs+0x331/0x6e0
[  291.486094]  addrconf_rs_timer+0x314/0x690
[  291.490338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.494588]  call_timer_fn+0x272/0x920
[  291.498487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.502730]  ? process_timeout+0x40/0x40
[  291.506807]  ? mark_held_locks+0xc7/0x130
[  291.510965]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.515466]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.519966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.524204]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.528797]  ? trace_hardirqs_on+0xbd/0x310
[  291.533128]  ? kasan_check_read+0x11/0x20
[  291.537277]  ? __run_timers+0x7da/0xc70
[  291.541256]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.546367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.550624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.554872]  __run_timers+0x7e5/0xc70
[  291.558688]  ? timer_fixup_init+0x70/0x70
[  291.562845]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.567881]  ? zap_class+0x640/0x640
[  291.571613]  ? print_usage_bug+0xc0/0xc0
[  291.575683]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.580895]  ? find_held_lock+0x36/0x1c0
[  291.584965]  ? zap_class+0x640/0x640
[  291.588691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.594231]  ? check_preemption_disabled+0x48/0x280
[  291.599261]  ? __lock_is_held+0xb5/0x140
[  291.603328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.608878]  ? check_preemption_disabled+0x48/0x280
[  291.613906]  run_timer_softirq+0x52/0xb0
[  291.617972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.622989]  __do_softirq+0x308/0xb7e
[  291.626798]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.631297]  ? lock_downgrade+0x900/0x900
[  291.635470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.640838]  ? pvclock_read_flags+0x160/0x160
[  291.645346]  ? lapic_next_event+0x5a/0x90
[  291.649502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.655050]  ? kvm_clock_read+0x18/0x30
[  291.659024]  ? kvm_sched_clock_read+0x9/0x20
[  291.663435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.668978]  ? check_preemption_disabled+0x48/0x280
[  291.674011]  irq_exit+0x17f/0x1c0
[  291.677477]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.682329]  ? smp_reschedule_interrupt+0x109/0x650
[  291.687360]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.693259]  ? interrupt_entry+0xb5/0xc0
[  291.697372]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.702409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.707433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.712288]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.717310]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.722338]  ? task_prio+0x50/0x50
[  291.725892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.731442]  ? check_preemption_disabled+0x48/0x280
[  291.736474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.741331]  apic_timer_interrupt+0xf/0x20
[  291.745565]  </IRQ>
[  291.747821] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  291.753974] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  291.773114] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  291.780840] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  291.788121] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  291.795396] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  291.802666] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  291.809936] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  291.817228]  ? unlock_page+0x25d/0x4c0
[  291.821130]  unlock_page+0x25d/0x4c0
[  291.824860]  ? wake_up_page_bit+0x6f0/0x6f0
[  291.829183]  ? shrink_page_list+0x7e68/0xccd0
[  291.833709]  ? shrink_page_list+0x7e68/0xccd0
[  291.838208]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.842794]  ? shrink_inactive_list+0x77b/0x1c60
[  291.847553]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.852660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.858204]  ? check_preemption_disabled+0x48/0x280
[  291.863220]  ? shrink_page_list+0x145c/0xccd0
[  291.867733]  shrink_page_list+0x3714/0xccd0
[  291.872086]  ? page_evictable+0x540/0x540
[  291.876409]  ? rb_erase_cached+0xc78/0x3720
[  291.880736]  ? rb_erase_cached+0xc78/0x3720
[  291.885065]  ? rb_next+0x140/0x140
[  291.888624]  ? rb_next+0x140/0x140
[  291.892172]  ? rb_next+0x140/0x140
[  291.895791]  ? zap_class+0x640/0x640
[  291.899511]  ? zap_class+0x640/0x640
[  291.903223]  ? zap_class+0x640/0x640
[  291.906939]  ? zap_class+0x640/0x640
[  291.910653]  ? __update_load_avg_se+0x5eb/0xae0
[  291.915333]  ? __update_load_avg_blocked_se+0x690/0x690
[  291.920707]  ? __update_load_avg_se+0xae0/0xae0
[  291.925381]  ? zap_class+0x640/0x640
[  291.929107]  ? update_load_avg+0x387/0x2470
[  291.933442]  ? attach_entity_load_avg+0x860/0x860
[  291.938293]  ? update_load_avg+0x387/0x2470
[  291.942633]  ? attach_entity_load_avg+0x860/0x860
[  291.947483]  ? attach_entity_load_avg+0x860/0x860
[  291.952331]  ? attach_entity_load_avg+0x860/0x860
[  291.957177]  ? rb_erase+0x3710/0x3710
[  291.960981]  ? rb_erase+0x3710/0x3710
[  291.964783]  ? rb_erase+0x3710/0x3710
[  291.968598]  ? rb_erase+0x3710/0x3710
[  291.972407]  ? rb_erase+0x3710/0x3710
[  291.976220]  ? __lock_acquire+0x62f/0x4c20
[  291.980469]  ? zap_class+0x640/0x640
[  291.984191]  ? print_usage_bug+0xc0/0xc0
[  291.988260]  ? zap_class+0x640/0x640
[  291.991982]  ? zap_class+0x640/0x640
[  291.995700]  ? print_usage_bug+0xc0/0xc0
[  291.999769]  ? print_usage_bug+0xc0/0xc0
[  292.003841]  ? zap_class+0x640/0x640
[  292.007562]  ? __lock_is_held+0xb5/0x140
[  292.011644]  ? print_usage_bug+0xc0/0xc0
[  292.015717]  ? __lock_acquire+0x62f/0x4c20
[  292.019959]  ? mark_held_locks+0x130/0x130
[  292.024197]  ? print_usage_bug+0xc0/0xc0
[  292.028268]  ? rb_erase_cached+0xc78/0x3720
[  292.032610]  ? rb_next+0x140/0x140
[  292.036154]  ? rb_next+0x140/0x140
[  292.039703]  ? __lock_acquire+0x62f/0x4c20
[  292.043940]  ? __lock_acquire+0x62f/0x4c20
[  292.048179]  ? rcu_note_context_switch+0x12ad/0x2150
[  292.053284]  ? print_usage_bug+0xc0/0xc0
[  292.057362]  ? mark_held_locks+0x130/0x130
[  292.061616]  ? zap_class+0x640/0x640
[  292.065338]  ? print_usage_bug+0xc0/0xc0
[  292.069399]  ? put_dec+0x3b/0xf0
[  292.072787]  ? rb_next+0x140/0x140
[  292.076336]  ? __lock_acquire+0x62f/0x4c20
[  292.080577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.086130]  ? check_preemption_disabled+0x48/0x280
[  292.091163]  ? print_usage_bug+0xc0/0xc0
[  292.095239]  ? rb_erase_cached+0xc78/0x3720
[  292.099574]  ? rb_next+0x140/0x140
[  292.103133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.108677]  ? __isolate_lru_page+0xd05/0x1540
[  292.113275]  ? print_usage_bug+0xc0/0xc0
[  292.117346]  ? mark_held_locks+0x130/0x130
[  292.121584]  ? zap_class+0x640/0x640
[  292.125310]  ? update_load_avg+0x13b8/0x2470
[  292.129726]  ? print_usage_bug+0xc0/0xc0
[  292.133793]  ? zap_class+0x640/0x640
[  292.137512]  ? __lock_acquire+0x62f/0x4c20
[  292.141755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.147298]  ? check_preemption_disabled+0x48/0x280
[  292.152321]  ? __update_load_avg_blocked_se+0x690/0x690
[  292.157694]  ? __update_load_avg_se+0xae0/0xae0
[  292.162368]  ? zap_class+0x640/0x640
[  292.166092]  ? update_load_avg+0x387/0x2470
[  292.170425]  ? attach_entity_load_avg+0x860/0x860
[  292.175277]  ? update_load_avg+0x387/0x2470
[  292.179616]  ? attach_entity_load_avg+0x860/0x860
[  292.184467]  ? attach_entity_load_avg+0x860/0x860
[  292.189326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.194871]  ? __isolate_lru_page+0xd05/0x1540
[  292.199465]  ? putback_lru_page+0x280/0x280
[  292.203808]  ? rb_erase+0x3710/0x3710
[  292.207632]  ? mark_held_locks+0x130/0x130
[  292.211881]  ? cpuacct_charge+0x265/0x440
[  292.216037]  ? find_held_lock+0x36/0x1c0
[  292.220113]  ? zap_class+0x640/0x640
[  292.223830]  ? print_usage_bug+0xc0/0xc0
[  292.227899]  ? zap_class+0x640/0x640
[  292.231620]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.236552]  ? kasan_check_read+0x11/0x20
[  292.240707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.245992]  ? zap_class+0x640/0x640
[  292.249710]  ? __lock_is_held+0xb5/0x140
[  292.253783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.259343]  ? check_preemption_disabled+0x48/0x280
[  292.264374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.269928]  ? check_preemption_disabled+0x48/0x280
[  292.274953]  ? __lock_is_held+0xb5/0x140
[  292.279031]  ? __this_cpu_preempt_check+0x1c/0x20
[  292.283894]  ? __mod_zone_page_state+0x8a/0xf0
[  292.288486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.294031]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  292.299246]  ? __isolate_lru_page+0x1540/0x1540
[  292.303940]  ? zap_class+0x640/0x640
[  292.307664]  ? print_usage_bug+0xc0/0xc0
[  292.311733]  ? __account_cfs_rq_runtime+0x790/0x790
[  292.316764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.322336]  ? find_held_lock+0x36/0x1c0
[  292.326408]  ? zap_class+0x640/0x640
[  292.330134]  ? print_usage_bug+0xc0/0xc0
[  292.334203]  ? mark_held_locks+0xc7/0x130
[  292.338356]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.342892]  ? zap_class+0x640/0x640
[  292.346623]  ? print_usage_bug+0xc0/0xc0
[  292.350698]  ? mark_held_locks+0xc7/0x130
[  292.354863]  ? find_held_lock+0x36/0x1c0
[  292.358944]  ? mark_held_locks+0xc7/0x130
[  292.363098]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.367603]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.372110]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.376702]  ? trace_hardirqs_on+0xbd/0x310
[  292.381029]  ? kasan_check_read+0x11/0x20
[  292.385184]  ? shrink_inactive_list+0x741/0x1c60
[  292.389947]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.395056]  ? trace_hardirqs_on+0x310/0x310
[  292.399473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.405019]  ? check_preemption_disabled+0x48/0x280
[  292.410048]  shrink_inactive_list+0x77b/0x1c60
[  292.414646]  ? putback_inactive_pages+0x27e0/0x27e0
[  292.419669]  ? kasan_check_read+0x11/0x20
[  292.423824]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  292.429105]  ? __rcu_read_unlock+0x2d6/0x2e0
[  292.433520]  ? blk_lld_busy+0x70/0x70
[  292.437324]  ? kasan_check_read+0x11/0x20
[  292.441487]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  292.446428]  shrink_node_memcg+0x78b/0x18f0
[  292.450770]  ? shrink_active_list+0x1f00/0x1f00
[  292.455448]  ? lock_downgrade+0x900/0x900
[  292.459608]  ? check_flush_dependency+0x410/0x410
[  292.464466]  ? kasan_check_read+0x11/0x20
[  292.468622]  ? do_raw_spin_unlock+0xa7/0x330
[  292.473038]  ? ___preempt_schedule+0x16/0x18
[  292.477458]  ? _raw_spin_unlock+0x3f/0x50
[  292.481629]  shrink_node+0x3bc/0x16b0
[  292.485435]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  292.490740]  ? shrink_node_memcg+0x18f0/0x18f0
[  292.495328]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.499913]  ? trace_hardirqs_on+0xbd/0x310
[  292.504239]  ? vmpressure+0x271/0x340
[  292.508052]  ? do_raw_spin_trylock+0x270/0x270
[  292.512645]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.518192]  ? __cpuset_node_allowed+0x19b/0x660
[  292.522954]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  292.528672]  ? vmpressure+0x1a2/0x340
[  292.532485]  do_try_to_free_pages+0x3e7/0x1290
[  292.537073]  ? zap_class+0x640/0x640
[  292.540810]  ? shrink_node+0x16b0/0x16b0
[  292.544883]  ? __lock_is_held+0xb5/0x140
[  292.548964]  try_to_free_pages+0x4d0/0xb90
[  292.553212]  ? do_try_to_free_pages+0x1290/0x1290
[  292.558079]  ? lock_acquire+0x1ed/0x520
[  292.562059]  ? set_page_refcounted+0x280/0x280
[  292.566653]  ? lock_release+0xa00/0xa00
[  292.570641]  ? _raw_spin_unlock_irq+0x60/0x80
[  292.575144]  ? psi_memstall_enter+0x240/0x2b0
[  292.579655]  ? psi_memstall_tick+0x230/0x230
[  292.584085]  __alloc_pages_slowpath+0xa14/0x2e10
[  292.588883]  ? warn_alloc+0x120/0x120
[  292.592688]  ? mark_held_locks+0x130/0x130
[  292.596936]  ? find_get_entry+0xaae/0x1120
[  292.601191]  ? filemap_map_pages+0x1a20/0x1a20
[  292.605790]  ? zap_class+0x640/0x640
[  292.609518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.615061]  ? check_preemption_disabled+0x48/0x280
[  292.620094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.625639]  ? should_fail+0x22d/0xd01
[  292.629536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.634644]  ? zap_class+0x640/0x640
[  292.638393]  ? __lock_is_held+0xb5/0x140
[  292.642468]  ? mark_held_locks+0x130/0x130
[  292.646710]  ? lock_release+0xa00/0xa00
[  292.650686]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.656143]  ? xa_load+0x2ba/0x460
[  292.659689]  ? lock_downgrade+0x900/0x900
[  292.663860]  ? __might_sleep+0x95/0x190
[  292.667848]  __alloc_pages_nodemask+0xa80/0xde0
[  292.672546]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.677565]  ? __page_cache_alloc+0x191/0x5c0
[  292.682069]  ? xa_load+0x2e1/0x460
[  292.685620]  ? xa_clear_mark+0x40/0x40
[  292.689517]  ? zap_class+0x640/0x640
[  292.693244]  ? zap_class+0x640/0x640
[  292.696961]  ? zap_class+0x640/0x640
[  292.700681]  ? __do_page_cache_readahead+0x663/0x810
[  292.705793]  ? find_held_lock+0x36/0x1c0
[  292.709869]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  292.715421]  alloc_pages_current+0x173/0x350
[  292.719860]  __page_cache_alloc+0x38c/0x5c0
[  292.724192]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.729137]  ? kasan_check_read+0x11/0x20
[  292.733298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.738589]  ? generic_perform_write+0x6a0/0x6a0
[  292.743361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.748902]  ? check_preemption_disabled+0x48/0x280
[  292.753935]  filemap_fault+0x1595/0x25f0
[  292.758019]  ? __lock_page_or_retry+0xa00/0xa00
[  292.762703]  ? mark_held_locks+0x130/0x130
[  292.766958]  ? filemap_map_pages+0xd6b/0x1a20
[  292.771463]  ? lock_downgrade+0x900/0x900
[  292.775619]  ? check_preemption_disabled+0x48/0x280
[  292.780641]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.785578]  ? kasan_check_read+0x11/0x20
[  292.789739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.795031]  ? rcu_softirq_qs+0x20/0x20
[  292.799035]  ? filemap_map_pages+0xd92/0x1a20
[  292.803584]  ? find_get_entries_tag+0x1400/0x1400
[  292.808452]  ? debug_object_destroy+0x2b0/0x2b0
[  292.813135]  ? lock_pi_update_atomic+0x150/0x150
[  292.817899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.823456]  ? lock_acquire+0x1ed/0x520
[  292.827436]  ? ext4_filemap_fault+0x7a/0xad
[  292.831773]  ? lock_release+0xa00/0xa00
[  292.835750]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.841214]  ? print_usage_bug+0xc0/0xc0
[  292.845287]  ? print_usage_bug+0xc0/0xc0
[  292.849362]  ? down_read+0x8d/0x120
[  292.852991]  ? ext4_filemap_fault+0x7a/0xad
[  292.857314]  ? __down_interruptible+0x700/0x700
[  292.862028]  ext4_filemap_fault+0x82/0xad
[  292.866184]  __do_fault+0x100/0x6b0
[  292.869814]  ? find_held_lock+0x36/0x1c0
[  292.873888]  ? pmd_devmap_trans_unstable+0x220/0x220
[  292.879000]  ? mark_held_locks+0x130/0x130
[  292.883240]  ? mark_held_locks+0x130/0x130
[  292.887478]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.891979]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.896480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.901069]  ? kasan_check_read+0x11/0x20
[  292.905222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.910772]  __handle_mm_fault+0x3ea6/0x5be0
[  292.915199]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  292.920050]  ? finish_task_switch+0x1f4/0x910
[  292.924550]  ? finish_task_switch+0x1b4/0x910
[  292.929050]  ? __switch_to_asm+0x34/0x70
[  292.933116]  ? preempt_notifier_register+0x200/0x200
[  292.938223]  ? __switch_to_asm+0x34/0x70
[  292.942289]  ? __switch_to_asm+0x34/0x70
[  292.946364]  ? zap_class+0x640/0x640
[  292.950079]  ? zap_class+0x640/0x640
[  292.953795]  ? __x64_sys_futex+0x53e/0x6a0
[  292.958036]  ? find_held_lock+0x36/0x1c0
[  292.962109]  ? handle_mm_fault+0x42a/0xc70
[  292.966353]  ? lock_downgrade+0x900/0x900
[  292.970508]  ? check_preemption_disabled+0x48/0x280
[  292.975535]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.980471]  ? kasan_check_read+0x11/0x20
[  292.984629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.989911]  ? rcu_softirq_qs+0x20/0x20
[  292.993893]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.999002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.004546]  ? check_preemption_disabled+0x48/0x280
[  293.009575]  handle_mm_fault+0x54f/0xc70
[  293.013654]  ? __handle_mm_fault+0x5be0/0x5be0
[  293.018241]  ? find_vma+0x34/0x190
[  293.021791]  __do_page_fault+0x5e8/0xe60
[  293.025865]  ? trace_hardirqs_off+0xb8/0x310
[  293.030288]  do_page_fault+0xf2/0x7e0
[  293.034094]  ? vmalloc_sync_all+0x30/0x30
[  293.038247]  ? error_entry+0x70/0xd0
[  293.041970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.046992]  ? trace_hardirqs_on_caller+0xc0/0x310
[  293.051929]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.056865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.061720]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.066738]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.072201]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.077225]  ? page_fault+0x8/0x30
[  293.080776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.085633]  ? page_fault+0x8/0x30
[  293.089178]  page_fault+0x1e/0x30
[  293.092631] RIP: 0033:0x40f9c0
[  293.095837] Code: Bad RIP value.
[  293.099205] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  293.104572] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  293.111849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  293.119127] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  293.126403] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  293.133671] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  293.140966] warn_alloc_show_mem: 1 callbacks suppressed
[  293.140978] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  293.140980] Mem-Info:
[  293.141011] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  293.141011]  active_file:14 inactive_file:15 isolated_file:0
[  293.141011]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.141011]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  293.141011]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  293.141011]  free:13731 free_pcp:182 free_cma:0
[  293.146361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.153287] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  293.155690] Call Trace:
[  293.188742] 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
[  293.198096]  <IRQ>
[  293.225951] lowmem_reserve[]: 0 2818 6321 6321
[  293.228546]  dump_stack+0x244/0x39d
[  293.254656] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  293.256816]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.261368] lowmem_reserve[]: 0 0 3503 3503
[  293.265013]  warn_alloc.cold.116+0xb7/0x1bd
[  293.292752] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  293.297949]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.302254] lowmem_reserve[]: 0 0 0 0
[  293.306575]  ? lock_downgrade+0x900/0x900
[  293.335538] 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
[  293.340391]  ? trace_hardirqs_off+0xb8/0x310
[  293.344160] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  293.348309]  ? trace_hardirqs_off+0xb8/0x310
[  293.361843] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  293.366268]  __alloc_pages_slowpath+0x26e8/0x2e10
[  293.381443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.385875]  ? warn_alloc+0x120/0x120
[  293.401187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.406031]  ? print_usage_bug+0xc0/0xc0
[  293.414845] 2704 total pagecache pages
[  293.418648]  ? warn_alloc+0x120/0x120
[  293.427206] 0 pages in swap cache
[  293.431275]  ? warn_alloc+0x120/0x120
[  293.435136] Swap cache stats: add 0, delete 0, find 0/0
[  293.438935]  ? print_usage_bug+0xc0/0xc0
[  293.442364] Free swap  = 0kB
[  293.446167]  ? print_usage_bug+0xc0/0xc0
[  293.451506] Total swap = 0kB
[  293.455571]  ? __lock_acquire+0x62f/0x4c20
[  293.458560] 1965979 pages RAM
[  293.462630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.465627] 0 pages HighMem/MovableOnly
[  293.469860]  ? should_fail+0x22d/0xd01
[  293.472945] 342858 pages reserved
[  293.478484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.482436] 0 pages cma reserved
[  293.486323]  ? __lock_acquire+0x62f/0x4c20
[  293.489812] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.494850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.498298] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.502426]  ? __lock_acquire+0x62f/0x4c20
[  293.508892] syz-fuzzer cpuset=/ mems_allowed=0
[  293.513989]  ? should_fail+0x22d/0xd01
[  293.536872]  ? find_held_lock+0x36/0x1c0
[  293.540948]  ? mark_held_locks+0x130/0x130
[  293.545195]  ? mark_held_locks+0x130/0x130
[  293.549440]  ? zap_class+0x640/0x640
[  293.553160]  ? zap_class+0x640/0x640
[  293.556934]  ? print_usage_bug+0xc0/0xc0
[  293.560998]  ? do_raw_spin_unlock+0xa7/0x330
[  293.565412]  ? zap_class+0x640/0x640
[  293.569130]  ? print_usage_bug+0xc0/0xc0
[  293.573194]  ? wq_watchdog_touch+0x9c/0xfe
[  293.577444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.582987]  ? check_preemption_disabled+0x48/0x280
[  293.588017]  ? __lock_is_held+0xb5/0x140
[  293.592089]  __alloc_pages_nodemask+0xa80/0xde0
[  293.596762]  ? zap_class+0x640/0x640
[  293.600662]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.605705]  ? find_held_lock+0x36/0x1c0
[  293.609780]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.614454]  ? lock_downgrade+0x900/0x900
[  293.618626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.624176]  cache_grow_begin+0xa5/0x8c0
[  293.628254]  ? do_raw_spin_unlock+0xa7/0x330
[  293.632676]  fallback_alloc+0x204/0x2e0
[  293.637147]  ____cache_alloc_node+0x1c7/0x1e0
[  293.641662]  kmem_cache_alloc_node+0xe3/0x730
[  293.646163]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.650412]  __alloc_skb+0x119/0x770
[  293.654129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.659418]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.663832]  ? lock_downgrade+0x900/0x900
[  293.667994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.673540]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.679002]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.684460]  ? addrconf_rs_timer+0x690/0x690
[  293.688888]  ndisc_alloc_skb+0x144/0x340
[  293.692959]  ndisc_send_rs+0x331/0x6e0
[  293.696853]  addrconf_rs_timer+0x314/0x690
[  293.701096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.705345]  call_timer_fn+0x272/0x920
[  293.709238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.713476]  ? process_timeout+0x40/0x40
[  293.717548]  ? __run_timers+0x7da/0xc70
[  293.721529]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.726033]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.730532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.734781]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.739378]  ? trace_hardirqs_on+0xbd/0x310
[  293.743705]  ? kasan_check_read+0x11/0x20
[  293.747858]  ? __run_timers+0x7da/0xc70
[  293.751846]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.756968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.761216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.765459]  __run_timers+0x7e5/0xc70
[  293.769753]  ? timer_fixup_init+0x70/0x70
[  293.774000]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.779024]  ? zap_class+0x640/0x640
[  293.782749]  ? enqueue_hrtimer+0x1a5/0x560
[  293.786991]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.792195]  ? find_held_lock+0x36/0x1c0
[  293.796270]  ? zap_class+0x640/0x640
[  293.800000]  ? pvclock_read_flags+0x160/0x160
[  293.804510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.810066]  ? check_preemption_disabled+0x48/0x280
[  293.815116]  ? __lock_is_held+0xb5/0x140
[  293.819198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.824758]  ? check_preemption_disabled+0x48/0x280
[  293.829795]  run_timer_softirq+0x52/0xb0
[  293.833866]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.838892]  __do_softirq+0x308/0xb7e
[  293.842703]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.847204]  ? lock_downgrade+0x900/0x900
[  293.851369]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.856491]  ? pvclock_read_flags+0x160/0x160
[  293.860993]  ? lapic_next_event+0x5a/0x90
[  293.865147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.870697]  ? kvm_clock_read+0x18/0x30
[  293.874673]  ? kvm_sched_clock_read+0x9/0x20
[  293.879097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.884644]  ? check_preemption_disabled+0x48/0x280
[  293.889687]  irq_exit+0x17f/0x1c0
[  293.893162]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.898018]  ? smp_reschedule_interrupt+0x109/0x650
[  293.903049]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.908953]  ? interrupt_entry+0xb5/0xc0
[  293.913025]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.918043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.923063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.927910]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.932932]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.937949]  ? task_prio+0x50/0x50
[  293.941497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.947042]  ? check_preemption_disabled+0x48/0x280
[  293.952065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.956918]  apic_timer_interrupt+0xf/0x20
[  293.961150]  </IRQ>
[  293.963390] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.968322] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  293.987233] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.994945] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  294.002214] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  294.009483] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  294.016753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  294.024025] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  294.031339]  skb_clone+0x1bb/0x500
[  294.034891]  ? finish_task_switch+0x1b4/0x910
[  294.039390]  ? skb_split+0x11e0/0x11e0
[  294.043284]  ? preempt_notifier_register+0x200/0x200
[  294.048393]  ? __switch_to_asm+0x34/0x70
[  294.052460]  ? __switch_to_asm+0x34/0x70
[  294.056520]  ? __switch_to_asm+0x40/0x70
[  294.060580]  ? __switch_to_asm+0x34/0x70
[  294.064647]  ? __switch_to_asm+0x40/0x70
[  294.068711]  ? __switch_to_asm+0x34/0x70
[  294.072780]  ? __switch_to_asm+0x40/0x70
[  294.076846]  ? __switch_to_asm+0x34/0x70
[  294.080917]  ? __switch_to_asm+0x34/0x70
[  294.084977]  ? __switch_to_asm+0x40/0x70
[  294.089037]  ? __switch_to_asm+0x34/0x70
[  294.093113]  bpf_clone_redirect+0xb9/0x490
[  294.097361]  ? __schedule+0x8d7/0x21d0
[  294.101259]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  294.106280]  ? __sched_text_start+0x8/0x8
[  294.110433]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.115204]  ? find_held_lock+0x36/0x1c0
[  294.119279]  ? lock_acquire+0x1ed/0x520
[  294.123260]  ? bpf_test_run+0x3cb/0x780
[  294.127239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.132785]  ? check_preemption_disabled+0x48/0x280
[  294.137814]  ? kasan_check_read+0x11/0x20
[  294.141968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.147245]  ? rcu_softirq_qs+0x20/0x20
[  294.151224]  ? preempt_schedule+0x4d/0x60
[  294.155379]  ? ___preempt_schedule+0x16/0x18
[  294.159797]  ? bpf_test_run+0x25d/0x780
[  294.163786]  ? netlink_diag_dump+0x2a0/0x2a0
[  294.168200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.173745]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  294.178516]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  294.183365]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.188906]  ? fput+0x130/0x1a0
[  294.192194]  ? __bpf_prog_get+0x9b/0x290
[  294.196260]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  294.201112]  ? bpf_prog_test_run+0x130/0x1a0
[  294.205525]  ? __x64_sys_bpf+0x3d8/0x520
[  294.209589]  ? bpf_prog_get+0x20/0x20
[  294.213420]  ? do_syscall_64+0x1b9/0x820
[  294.217486]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  294.222858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.227799]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.232820]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  294.237845]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  294.244518]  ? __switch_to_asm+0x40/0x70
[  294.248580]  ? __switch_to_asm+0x34/0x70
[  294.252662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.257516]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  294.262906] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  294.262978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.269491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.269496] Call Trace:
[  294.269504]  <IRQ>
[  294.269522]  dump_stack+0x244/0x39d
[  294.269541]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.276106] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.285379]  warn_alloc.cold.116+0xb7/0x1bd
[  294.287940] syz-executor1 cpuset=syz1 mems_allowed=0
[  294.290083]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.323579]  ? lock_downgrade+0x900/0x900
[  294.327747]  ? trace_hardirqs_off+0xb8/0x310
[  294.332163]  ? trace_hardirqs_off+0xb8/0x310
[  294.336587]  __alloc_pages_slowpath+0x26e8/0x2e10
[  294.341476]  ? warn_alloc+0x120/0x120
[  294.345287]  ? print_usage_bug+0xc0/0xc0
[  294.349354]  ? warn_alloc+0x120/0x120
[  294.353167]  ? warn_alloc+0x120/0x120
[  294.356977]  ? print_usage_bug+0xc0/0xc0
[  294.361041]  ? kvm_clock_read+0x18/0x30
[  294.365040]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.370066]  ? print_usage_bug+0xc0/0xc0
[  294.374131]  ? __lock_acquire+0x62f/0x4c20
[  294.378377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.383921]  ? should_fail+0x22d/0xd01
[  294.387821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.393109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.398215]  ? __lock_acquire+0x62f/0x4c20
[  294.402459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.407571]  ? __lock_acquire+0x62f/0x4c20
[  294.411819]  ? should_fail+0x22d/0xd01
[  294.415710]  ? rcu_irq_exit+0x1a2/0x390
[  294.419707]  ? mark_held_locks+0x130/0x130
[  294.423952]  ? mark_held_locks+0x130/0x130
[  294.428197]  ? mark_held_locks+0xc7/0x130
[  294.432354]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  294.437739]  ? zap_class+0x640/0x640
[  294.441467]  ? print_usage_bug+0xc0/0xc0
[  294.445547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.451101]  ? check_preemption_disabled+0x48/0x280
[  294.456140]  ? __lock_is_held+0xb5/0x140
[  294.460214]  __alloc_pages_nodemask+0xa80/0xde0
[  294.464896]  ? zap_class+0x640/0x640
[  294.468628]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.473668]  ? find_held_lock+0x36/0x1c0
[  294.477747]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.482429]  ? lock_downgrade+0x900/0x900
[  294.486605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.492160]  cache_grow_begin+0xa5/0x8c0
[  294.496231]  ? do_raw_spin_unlock+0xa7/0x330
[  294.500676]  fallback_alloc+0x204/0x2e0
[  294.504666]  ____cache_alloc_node+0x1c7/0x1e0
[  294.509176]  kmem_cache_alloc_node+0xe3/0x730
[  294.513677]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.517924]  __alloc_skb+0x119/0x770
[  294.521641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.526934]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.531351]  ? lock_downgrade+0x900/0x900
[  294.535513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.541062]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.546530]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.551990]  ? addrconf_rs_timer+0x690/0x690
[  294.556412]  ndisc_alloc_skb+0x144/0x340
[  294.560485]  ndisc_send_rs+0x331/0x6e0
[  294.564379]  addrconf_rs_timer+0x314/0x690
[  294.568628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.572883]  call_timer_fn+0x272/0x920
[  294.576775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.581017]  ? process_timeout+0x40/0x40
[  294.585092]  ? mark_held_locks+0xc7/0x130
[  294.589250]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.593746]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.598242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.602482]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.607073]  ? trace_hardirqs_on+0xbd/0x310
[  294.611400]  ? kasan_check_read+0x11/0x20
[  294.615564]  ? __run_timers+0x7da/0xc70
[  294.619550]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.624662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.628918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.633158]  __run_timers+0x7e5/0xc70
[  294.637535]  ? timer_fixup_init+0x70/0x70
[  294.641691]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.646711]  ? zap_class+0x640/0x640
[  294.650431]  ? print_usage_bug+0xc0/0xc0
[  294.654497]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.659700]  ? find_held_lock+0x36/0x1c0
[  294.663769]  ? zap_class+0x640/0x640
[  294.667494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.673041]  ? check_preemption_disabled+0x48/0x280
[  294.678071]  ? __lock_is_held+0xb5/0x140
[  294.682135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.687765]  ? check_preemption_disabled+0x48/0x280
[  294.692791]  run_timer_softirq+0x52/0xb0
[  294.696864]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.701892]  __do_softirq+0x308/0xb7e
[  294.705719]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.710220]  ? lock_downgrade+0x900/0x900
[  294.714378]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.719499]  ? pvclock_read_flags+0x160/0x160
[  294.724008]  ? lapic_next_event+0x5a/0x90
[  294.728165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.733717]  ? kvm_clock_read+0x18/0x30
[  294.737699]  ? kvm_sched_clock_read+0x9/0x20
[  294.742118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.747680]  ? check_preemption_disabled+0x48/0x280
[  294.752714]  irq_exit+0x17f/0x1c0
[  294.756177]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.761041]  ? smp_reschedule_interrupt+0x109/0x650
[  294.766064]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.771959]  ? interrupt_entry+0xb5/0xc0
[  294.776028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.781048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.786073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.790924]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.795955]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.800992]  ? task_prio+0x50/0x50
[  294.804538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.810087]  ? check_preemption_disabled+0x48/0x280
[  294.815118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.819975]  apic_timer_interrupt+0xf/0x20
[  294.824205]  </IRQ>
[  294.826449] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  294.832608] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  294.851516] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  294.859231] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  294.866506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  294.873783] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  294.881066] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  294.888341] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  294.895644]  ? unlock_page+0x25d/0x4c0
[  294.899546]  unlock_page+0x25d/0x4c0
[  294.903267]  ? wake_up_page_bit+0x6f0/0x6f0
[  294.907599]  ? shrink_page_list+0x7e68/0xccd0
[  294.912209]  ? shrink_page_list+0x7e68/0xccd0
[  294.916714]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  294.921304]  ? shrink_inactive_list+0x77b/0x1c60
[  294.926067]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.931177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.936725]  ? check_preemption_disabled+0x48/0x280
[  294.941753]  ? shrink_page_list+0x145c/0xccd0
[  294.946267]  shrink_page_list+0x3714/0xccd0
[  294.950633]  ? page_evictable+0x540/0x540
[  294.954975]  ? rb_erase_cached+0xc78/0x3720
[  294.959305]  ? rb_erase_cached+0xc78/0x3720
[  294.963639]  ? rb_next+0x140/0x140
[  294.967193]  ? rb_next+0x140/0x140
[  294.970744]  ? rb_next+0x140/0x140
[  294.974365]  ? zap_class+0x640/0x640
[  294.978083]  ? zap_class+0x640/0x640
[  294.981802]  ? zap_class+0x640/0x640
[  294.985517]  ? zap_class+0x640/0x640
[  294.989232]  ? __update_load_avg_se+0x5eb/0xae0
[  294.993923]  ? __update_load_avg_blocked_se+0x690/0x690
[  294.999299]  ? __update_load_avg_se+0xae0/0xae0
[  295.003970]  ? zap_class+0x640/0x640
[  295.007700]  ? update_load_avg+0x387/0x2470
[  295.012039]  ? attach_entity_load_avg+0x860/0x860
[  295.016895]  ? update_load_avg+0x387/0x2470
[  295.021226]  ? attach_entity_load_avg+0x860/0x860
[  295.026081]  ? attach_entity_load_avg+0x860/0x860
[  295.030931]  ? attach_entity_load_avg+0x860/0x860
[  295.035777]  ? rb_erase+0x3710/0x3710
[  295.039582]  ? rb_erase+0x3710/0x3710
[  295.043391]  ? rb_erase+0x3710/0x3710
[  295.047198]  ? rb_erase+0x3710/0x3710
[  295.051006]  ? rb_erase+0x3710/0x3710
[  295.054825]  ? __lock_acquire+0x62f/0x4c20
[  295.059082]  ? zap_class+0x640/0x640
[  295.062802]  ? print_usage_bug+0xc0/0xc0
[  295.066891]  ? zap_class+0x640/0x640
[  295.070615]  ? zap_class+0x640/0x640
[  295.074334]  ? print_usage_bug+0xc0/0xc0
[  295.078404]  ? print_usage_bug+0xc0/0xc0
[  295.082471]  ? zap_class+0x640/0x640
[  295.086190]  ? __lock_is_held+0xb5/0x140
[  295.090271]  ? print_usage_bug+0xc0/0xc0
[  295.094349]  ? __lock_acquire+0x62f/0x4c20
[  295.098604]  ? mark_held_locks+0x130/0x130
[  295.102843]  ? print_usage_bug+0xc0/0xc0
[  295.106925]  ? rb_erase_cached+0xc78/0x3720
[  295.111280]  ? rb_next+0x140/0x140
[  295.114828]  ? rb_next+0x140/0x140
[  295.118378]  ? __lock_acquire+0x62f/0x4c20
[  295.122629]  ? __lock_acquire+0x62f/0x4c20
[  295.126916]  ? rcu_note_context_switch+0x12ad/0x2150
[  295.132024]  ? print_usage_bug+0xc0/0xc0
[  295.136105]  ? mark_held_locks+0x130/0x130
[  295.140348]  ? zap_class+0x640/0x640
[  295.144071]  ? print_usage_bug+0xc0/0xc0
[  295.148139]  ? put_dec+0x3b/0xf0
[  295.151529]  ? rb_next+0x140/0x140
[  295.155075]  ? __lock_acquire+0x62f/0x4c20
[  295.159313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.164866]  ? check_preemption_disabled+0x48/0x280
[  295.169910]  ? print_usage_bug+0xc0/0xc0
[  295.173985]  ? rb_erase_cached+0xc78/0x3720
[  295.178317]  ? rb_next+0x140/0x140
[  295.181881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.187427]  ? __isolate_lru_page+0xd05/0x1540
[  295.192026]  ? print_usage_bug+0xc0/0xc0
[  295.196093]  ? mark_held_locks+0x130/0x130
[  295.200332]  ? zap_class+0x640/0x640
[  295.204057]  ? update_load_avg+0x13b8/0x2470
[  295.208481]  ? print_usage_bug+0xc0/0xc0
[  295.212549]  ? zap_class+0x640/0x640
[  295.216266]  ? __lock_acquire+0x62f/0x4c20
[  295.220508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.226052]  ? check_preemption_disabled+0x48/0x280
[  295.231081]  ? __update_load_avg_blocked_se+0x690/0x690
[  295.236451]  ? __update_load_avg_se+0xae0/0xae0
[  295.241124]  ? zap_class+0x640/0x640
[  295.244851]  ? update_load_avg+0x387/0x2470
[  295.249207]  ? attach_entity_load_avg+0x860/0x860
[  295.254062]  ? update_load_avg+0x387/0x2470
[  295.258393]  ? attach_entity_load_avg+0x860/0x860
[  295.263242]  ? attach_entity_load_avg+0x860/0x860
[  295.268097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.273641]  ? __isolate_lru_page+0xd05/0x1540
[  295.278233]  ? putback_lru_page+0x280/0x280
[  295.282565]  ? rb_erase+0x3710/0x3710
[  295.286390]  ? mark_held_locks+0x130/0x130
[  295.290641]  ? cpuacct_charge+0x265/0x440
[  295.294797]  ? find_held_lock+0x36/0x1c0
[  295.298880]  ? zap_class+0x640/0x640
[  295.302609]  ? print_usage_bug+0xc0/0xc0
[  295.306676]  ? zap_class+0x640/0x640
[  295.310393]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.315327]  ? kasan_check_read+0x11/0x20
[  295.319483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.324771]  ? zap_class+0x640/0x640
[  295.328490]  ? __lock_is_held+0xb5/0x140
[  295.332564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.338211]  ? check_preemption_disabled+0x48/0x280
[  295.343240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.348786]  ? check_preemption_disabled+0x48/0x280
[  295.353806]  ? __lock_is_held+0xb5/0x140
[  295.357881]  ? __this_cpu_preempt_check+0x1c/0x20
[  295.362727]  ? __mod_zone_page_state+0x8a/0xf0
[  295.367319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.372865]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  295.378084]  ? __isolate_lru_page+0x1540/0x1540
[  295.382775]  ? zap_class+0x640/0x640
[  295.386497]  ? print_usage_bug+0xc0/0xc0
[  295.390561]  ? __account_cfs_rq_runtime+0x790/0x790
[  295.395588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.401143]  ? find_held_lock+0x36/0x1c0
[  295.405211]  ? zap_class+0x640/0x640
[  295.408929]  ? print_usage_bug+0xc0/0xc0
[  295.412993]  ? mark_held_locks+0xc7/0x130
[  295.417147]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.421656]  ? zap_class+0x640/0x640
[  295.425373]  ? print_usage_bug+0xc0/0xc0
[  295.429443]  ? mark_held_locks+0xc7/0x130
[  295.433621]  ? find_held_lock+0x36/0x1c0
[  295.437699]  ? mark_held_locks+0xc7/0x130
[  295.441858]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.446358]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.450888]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.455479]  ? trace_hardirqs_on+0xbd/0x310
[  295.459808]  ? kasan_check_read+0x11/0x20
[  295.463964]  ? shrink_inactive_list+0x741/0x1c60
[  295.468815]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.473927]  ? trace_hardirqs_on+0x310/0x310
[  295.478349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.483905]  ? check_preemption_disabled+0x48/0x280
[  295.488941]  shrink_inactive_list+0x77b/0x1c60
[  295.493547]  ? putback_inactive_pages+0x27e0/0x27e0
[  295.498577]  ? kasan_check_read+0x11/0x20
[  295.502744]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  295.508027]  ? __rcu_read_unlock+0x2d6/0x2e0
[  295.512444]  ? blk_lld_busy+0x70/0x70
[  295.516248]  ? kasan_check_read+0x11/0x20
[  295.520418]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  295.525368]  shrink_node_memcg+0x78b/0x18f0
[  295.529718]  ? shrink_active_list+0x1f00/0x1f00
[  295.534398]  ? lock_downgrade+0x900/0x900
[  295.538557]  ? check_flush_dependency+0x410/0x410
[  295.543449]  ? kasan_check_read+0x11/0x20
[  295.547627]  ? do_raw_spin_unlock+0xa7/0x330
[  295.552058]  ? ___preempt_schedule+0x16/0x18
[  295.556489]  ? _raw_spin_unlock+0x3f/0x50
[  295.560660]  shrink_node+0x3bc/0x16b0
[  295.564478]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  295.569797]  ? shrink_node_memcg+0x18f0/0x18f0
[  295.574393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.578988]  ? trace_hardirqs_on+0xbd/0x310
[  295.583318]  ? vmpressure+0x271/0x340
[  295.587129]  ? do_raw_spin_trylock+0x270/0x270
[  295.591727]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.597271]  ? __cpuset_node_allowed+0x19b/0x660
[  295.602038]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  295.607753]  ? vmpressure+0x1a2/0x340
[  295.611571]  do_try_to_free_pages+0x3e7/0x1290
[  295.616163]  ? zap_class+0x640/0x640
[  295.619901]  ? shrink_node+0x16b0/0x16b0
[  295.623965]  ? __lock_is_held+0xb5/0x140
[  295.628046]  try_to_free_pages+0x4d0/0xb90
[  295.632289]  ? do_try_to_free_pages+0x1290/0x1290
[  295.637650]  ? lock_acquire+0x1ed/0x520
[  295.641632]  ? set_page_refcounted+0x280/0x280
[  295.646225]  ? lock_release+0xa00/0xa00
[  295.650203]  ? _raw_spin_unlock_irq+0x60/0x80
[  295.654707]  ? psi_memstall_enter+0x240/0x2b0
[  295.659206]  ? psi_memstall_tick+0x230/0x230
[  295.663643]  __alloc_pages_slowpath+0xa14/0x2e10
[  295.668434]  ? warn_alloc+0x120/0x120
[  295.672238]  ? mark_held_locks+0x130/0x130
[  295.676484]  ? find_get_entry+0xaae/0x1120
[  295.680730]  ? filemap_map_pages+0x1a20/0x1a20
[  295.685319]  ? zap_class+0x640/0x640
[  295.689042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.694583]  ? check_preemption_disabled+0x48/0x280
[  295.699619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.705164]  ? should_fail+0x22d/0xd01
[  295.709059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.714167]  ? zap_class+0x640/0x640
[  295.717912]  ? __lock_is_held+0xb5/0x140
[  295.721986]  ? mark_held_locks+0x130/0x130
[  295.726230]  ? lock_release+0xa00/0xa00
[  295.730210]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.735661]  ? xa_load+0x2ba/0x460
[  295.739292]  ? lock_downgrade+0x900/0x900
[  295.743453]  ? __might_sleep+0x95/0x190
[  295.747441]  __alloc_pages_nodemask+0xa80/0xde0
[  295.752124]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.757147]  ? __page_cache_alloc+0x191/0x5c0
[  295.761643]  ? xa_load+0x2e1/0x460
[  295.765191]  ? xa_clear_mark+0x40/0x40
[  295.769253]  ? zap_class+0x640/0x640
[  295.772978]  ? zap_class+0x640/0x640
[  295.776700]  ? zap_class+0x640/0x640
[  295.780419]  ? __do_page_cache_readahead+0x663/0x810
[  295.785536]  ? find_held_lock+0x36/0x1c0
[  295.789621]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  295.795175]  alloc_pages_current+0x173/0x350
[  295.799606]  __page_cache_alloc+0x38c/0x5c0
[  295.803931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.808873]  ? kasan_check_read+0x11/0x20
[  295.813027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.818315]  ? generic_perform_write+0x6a0/0x6a0
[  295.823080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.828633]  ? check_preemption_disabled+0x48/0x280
[  295.833664]  filemap_fault+0x1595/0x25f0
[  295.837747]  ? __lock_page_or_retry+0xa00/0xa00
[  295.842423]  ? mark_held_locks+0x130/0x130
[  295.846670]  ? filemap_map_pages+0xd6b/0x1a20
[  295.851175]  ? lock_downgrade+0x900/0x900
[  295.855327]  ? check_preemption_disabled+0x48/0x280
[  295.860352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.865289]  ? kasan_check_read+0x11/0x20
[  295.869444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.874727]  ? rcu_softirq_qs+0x20/0x20
[  295.878725]  ? filemap_map_pages+0xd92/0x1a20
[  295.883242]  ? find_get_entries_tag+0x1400/0x1400
[  295.888093]  ? debug_object_destroy+0x2b0/0x2b0
[  295.892770]  ? lock_pi_update_atomic+0x150/0x150
[  295.897528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.903080]  ? lock_acquire+0x1ed/0x520
[  295.907064]  ? ext4_filemap_fault+0x7a/0xad
[  295.911402]  ? lock_release+0xa00/0xa00
[  295.915381]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.920845]  ? print_usage_bug+0xc0/0xc0
[  295.924925]  ? print_usage_bug+0xc0/0xc0
[  295.929010]  ? down_read+0x8d/0x120
[  295.932646]  ? ext4_filemap_fault+0x7a/0xad
[  295.936972]  ? __down_interruptible+0x700/0x700
[  295.941653]  ext4_filemap_fault+0x82/0xad
[  295.945807]  __do_fault+0x100/0x6b0
[  295.949439]  ? find_held_lock+0x36/0x1c0
[  295.953511]  ? pmd_devmap_trans_unstable+0x220/0x220
[  295.958631]  ? mark_held_locks+0x130/0x130
[  295.962878]  ? mark_held_locks+0x130/0x130
[  295.967121]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.971625]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.976123]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.980718]  ? kasan_check_read+0x11/0x20
[  295.984878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.990425]  __handle_mm_fault+0x3ea6/0x5be0
[  295.994868]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  295.999722]  ? finish_task_switch+0x1f4/0x910
[  296.004219]  ? finish_task_switch+0x1b4/0x910
[  296.008723]  ? __switch_to_asm+0x34/0x70
[  296.012805]  ? preempt_notifier_register+0x200/0x200
[  296.017920]  ? __switch_to_asm+0x34/0x70
[  296.021992]  ? __switch_to_asm+0x34/0x70
[  296.026081]  ? zap_class+0x640/0x640
[  296.029805]  ? zap_class+0x640/0x640
[  296.033522]  ? __x64_sys_futex+0x53e/0x6a0
[  296.037762]  ? find_held_lock+0x36/0x1c0
[  296.041835]  ? handle_mm_fault+0x42a/0xc70
[  296.046083]  ? lock_downgrade+0x900/0x900
[  296.050233]  ? check_preemption_disabled+0x48/0x280
[  296.055258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.060193]  ? kasan_check_read+0x11/0x20
[  296.064345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.069628]  ? rcu_softirq_qs+0x20/0x20
[  296.073612]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.078721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.084265]  ? check_preemption_disabled+0x48/0x280
[  296.089293]  handle_mm_fault+0x54f/0xc70
[  296.093362]  ? __handle_mm_fault+0x5be0/0x5be0
[  296.097950]  ? find_vma+0x34/0x190
[  296.101499]  __do_page_fault+0x5e8/0xe60
[  296.105562]  ? trace_hardirqs_off+0xb8/0x310
[  296.109991]  do_page_fault+0xf2/0x7e0
[  296.113795]  ? vmalloc_sync_all+0x30/0x30
[  296.117951]  ? error_entry+0x70/0xd0
[  296.121673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.126697]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.131636]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.136566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.141426]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.146449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.151908]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.156930]  ? page_fault+0x8/0x30
[  296.160477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.165328]  ? page_fault+0x8/0x30
[  296.168880]  page_fault+0x1e/0x30
[  296.172335] RIP: 0033:0x40f9c0
[  296.175539] Code: Bad RIP value.
[  296.178899] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  296.184262] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  296.191530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  296.198817] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  296.206091] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  296.213360] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  296.220667] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  296.220673] warn_alloc_show_mem: 1 callbacks suppressed
[  296.220680] Mem-Info:
[  296.227612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.232984] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  296.232984]  active_file:14 inactive_file:15 isolated_file:0
[  296.232984]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.232984]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  296.232984]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  296.232984]  free:13731 free_pcp:182 free_cma:0
[  296.235360] Call Trace:
[  296.244746] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.277788]  <IRQ>
[  296.280359] 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
[  296.308216]  dump_stack+0x244/0x39d
[  296.310340] lowmem_reserve[]: 0 2818 6321 6321
[  296.336463]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.340067] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  296.344658]  warn_alloc.cold.116+0xb7/0x1bd
[  296.349811] lowmem_reserve[]: 0 0 3503 3503
[  296.377599]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.381889] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  296.386208]  ? lock_downgrade+0x900/0x900
[  296.391022] lowmem_reserve[]: 0 0 0 0
[  296.420009]  ? trace_hardirqs_off+0xb8/0x310
[  296.424130] 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
[  296.427926]  ? trace_hardirqs_off+0xb8/0x310
[  296.432308] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  296.445841]  __alloc_pages_slowpath+0x26e8/0x2e10
[  296.450229] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  296.465426]  ? warn_alloc+0x120/0x120
[  296.470229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  296.485571]  ? print_usage_bug+0xc0/0xc0
[  296.489352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  296.498181]  ? warn_alloc+0x120/0x120
[  296.502218] 2704 total pagecache pages
[  296.510788]  ? warn_alloc+0x120/0x120
[  296.514567] 0 pages in swap cache
[  296.518444]  ? print_usage_bug+0xc0/0xc0
[  296.522220] Swap cache stats: add 0, delete 0, find 0/0
[  296.525666]  ? kvm_clock_read+0x18/0x30
[  296.529719] Free swap  = 0kB
[  296.529728] Total swap = 0kB
[  296.535103]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  296.539051] 1965979 pages RAM
[  296.542069]  ? print_usage_bug+0xc0/0xc0
[  296.545059] 0 pages HighMem/MovableOnly
[  296.545068] 342858 pages reserved
[  296.550083]  ? __lock_acquire+0x62f/0x4c20
[  296.553165] 0 pages cma reserved
[  296.557225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.561251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.564642]  ? should_fail+0x22d/0xd01
[  296.568957] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.572216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.577731] syz-fuzzer cpuset=/ mems_allowed=0
[  296.584254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.613299]  ? __lock_acquire+0x62f/0x4c20
[  296.617554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.622666]  ? __lock_acquire+0x62f/0x4c20
[  296.626909]  ? should_fail+0x22d/0xd01
[  296.630805]  ? rcu_irq_exit+0x1a2/0x390
[  296.634800]  ? mark_held_locks+0x130/0x130
[  296.639047]  ? mark_held_locks+0x130/0x130
[  296.643292]  ? mark_held_locks+0xc7/0x130
[  296.647449]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  296.652473]  ? zap_class+0x640/0x640
[  296.656195]  ? print_usage_bug+0xc0/0xc0
[  296.660268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.665815]  ? check_preemption_disabled+0x48/0x280
[  296.670851]  ? __lock_is_held+0xb5/0x140
[  296.674926]  __alloc_pages_nodemask+0xa80/0xde0
[  296.679606]  ? zap_class+0x640/0x640
[  296.683328]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  296.688366]  ? find_held_lock+0x36/0x1c0
[  296.692441]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.697119]  ? lock_downgrade+0x900/0x900
[  296.701277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.706826]  cache_grow_begin+0xa5/0x8c0
[  296.710896]  ? do_raw_spin_unlock+0xa7/0x330
[  296.715314]  fallback_alloc+0x204/0x2e0
[  296.719300]  ____cache_alloc_node+0x1c7/0x1e0
[  296.723803]  kmem_cache_alloc_node+0xe3/0x730
[  296.728301]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.732548]  __alloc_skb+0x119/0x770
[  296.736262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.741546]  ? netdev_alloc_frag+0x1f0/0x1f0
[  296.745957]  ? lock_downgrade+0x900/0x900
[  296.750118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.755662]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.761119]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.766573]  ? addrconf_rs_timer+0x690/0x690
[  296.771002]  ndisc_alloc_skb+0x144/0x340
[  296.775070]  ndisc_send_rs+0x331/0x6e0
[  296.778964]  addrconf_rs_timer+0x314/0x690
[  296.783206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.787458]  call_timer_fn+0x272/0x920
[  296.791346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.795590]  ? process_timeout+0x40/0x40
[  296.799682]  ? __run_timers+0x7da/0xc70
[  296.803663]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.808164]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.812662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.816903]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.821494]  ? trace_hardirqs_on+0xbd/0x310
[  296.825828]  ? kasan_check_read+0x11/0x20
[  296.829984]  ? __run_timers+0x7da/0xc70
[  296.833968]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.839118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.843363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.847609]  __run_timers+0x7e5/0xc70
[  296.851429]  ? timer_fixup_init+0x70/0x70
[  296.855582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.860621]  ? zap_class+0x640/0x640
[  296.864348]  ? enqueue_hrtimer+0x1a5/0x560
[  296.868601]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.873806]  ? find_held_lock+0x36/0x1c0
[  296.877880]  ? zap_class+0x640/0x640
[  296.881610]  ? pvclock_read_flags+0x160/0x160
[  296.886117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.891668]  ? check_preemption_disabled+0x48/0x280
[  296.896705]  ? __lock_is_held+0xb5/0x140
[  296.900780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.906328]  ? check_preemption_disabled+0x48/0x280
[  296.911364]  run_timer_softirq+0x52/0xb0
[  296.915434]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.920456]  __do_softirq+0x308/0xb7e
[  296.924276]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  296.928775]  ? lock_downgrade+0x900/0x900
[  296.932931]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  296.938048]  ? pvclock_read_flags+0x160/0x160
[  296.942556]  ? lapic_next_event+0x5a/0x90
[  296.946717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.952265]  ? kvm_clock_read+0x18/0x30
[  296.956244]  ? kvm_sched_clock_read+0x9/0x20
[  296.960657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.966201]  ? check_preemption_disabled+0x48/0x280
[  296.971255]  irq_exit+0x17f/0x1c0
[  296.974719]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.979574]  ? smp_reschedule_interrupt+0x109/0x650
[  296.984626]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.990532]  ? interrupt_entry+0xb5/0xc0
[  296.994622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.999654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.004688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.009538]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.014559]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.019584]  ? task_prio+0x50/0x50
[  297.023142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.028685]  ? check_preemption_disabled+0x48/0x280
[  297.033720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.038582]  apic_timer_interrupt+0xf/0x20
[  297.042825]  </IRQ>
[  297.045072] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.050007] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  297.068937] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.076667] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  297.083957] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  297.091259] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  297.098537] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  297.105811] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  297.113127]  skb_clone+0x1bb/0x500
[  297.116676]  ? finish_task_switch+0x1b4/0x910
[  297.121176]  ? skb_split+0x11e0/0x11e0
[  297.125072]  ? preempt_notifier_register+0x200/0x200
[  297.130180]  ? __switch_to_asm+0x34/0x70
[  297.134242]  ? __switch_to_asm+0x34/0x70
[  297.138306]  ? __switch_to_asm+0x40/0x70
[  297.142373]  ? __switch_to_asm+0x34/0x70
[  297.146436]  ? __switch_to_asm+0x40/0x70
[  297.150501]  ? __switch_to_asm+0x34/0x70
[  297.154560]  ? __switch_to_asm+0x40/0x70
[  297.158634]  ? __switch_to_asm+0x34/0x70
[  297.162697]  ? __switch_to_asm+0x34/0x70
[  297.166758]  ? __switch_to_asm+0x40/0x70
[  297.170823]  ? __switch_to_asm+0x34/0x70
[  297.174898]  bpf_clone_redirect+0xb9/0x490
[  297.179141]  ? __schedule+0x8d7/0x21d0
[  297.183039]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  297.188059]  ? __sched_text_start+0x8/0x8
[  297.192210]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.196979]  ? find_held_lock+0x36/0x1c0
[  297.201055]  ? lock_acquire+0x1ed/0x520
[  297.205030]  ? bpf_test_run+0x3cb/0x780
[  297.209007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.214547]  ? check_preemption_disabled+0x48/0x280
[  297.219574]  ? kasan_check_read+0x11/0x20
[  297.223730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.229012]  ? rcu_softirq_qs+0x20/0x20
[  297.232992]  ? preempt_schedule+0x4d/0x60
[  297.237146]  ? ___preempt_schedule+0x16/0x18
[  297.241567]  ? bpf_test_run+0x25d/0x780
[  297.245561]  ? netlink_diag_dump+0x2a0/0x2a0
[  297.249980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.255529]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  297.260301]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  297.265147]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.270688]  ? fput+0x130/0x1a0
[  297.273970]  ? __bpf_prog_get+0x9b/0x290
[  297.278037]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  297.282882]  ? bpf_prog_test_run+0x130/0x1a0
[  297.287300]  ? __x64_sys_bpf+0x3d8/0x520
[  297.291369]  ? bpf_prog_get+0x20/0x20
[  297.295194]  ? do_syscall_64+0x1b9/0x820
[  297.299259]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.304632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.309570]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.314615]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.319638]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  297.326315]  ? __switch_to_asm+0x40/0x70
[  297.330381]  ? __switch_to_asm+0x34/0x70
[  297.334451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.339306]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.344692] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  297.344765] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.351271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.351276] Call Trace:
[  297.351282]  <IRQ>
[  297.351298]  dump_stack+0x244/0x39d
[  297.351316]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.351343]  warn_alloc.cold.116+0xb7/0x1bd
[  297.357908] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.367170]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.369731] syz-executor1 cpuset=syz1 mems_allowed=0
[  297.371880]  ? lock_downgrade+0x900/0x900
[  297.409500]  ? trace_hardirqs_off+0xb8/0x310
[  297.413925]  ? trace_hardirqs_off+0xb8/0x310
[  297.418347]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.423225]  ? warn_alloc+0x120/0x120
[  297.427036]  ? print_usage_bug+0xc0/0xc0
[  297.431105]  ? warn_alloc+0x120/0x120
[  297.434915]  ? warn_alloc+0x120/0x120
[  297.438723]  ? print_usage_bug+0xc0/0xc0
[  297.442790]  ? kvm_clock_read+0x18/0x30
[  297.446768]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  297.451790]  ? print_usage_bug+0xc0/0xc0
[  297.455865]  ? __lock_acquire+0x62f/0x4c20
[  297.460112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.465654]  ? should_fail+0x22d/0xd01
[  297.469543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.474829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.479945]  ? __lock_acquire+0x62f/0x4c20
[  297.484192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.489297]  ? __lock_acquire+0x62f/0x4c20
[  297.493533]  ? should_fail+0x22d/0xd01
[  297.497424]  ? rcu_irq_exit+0x1a2/0x390
[  297.501413]  ? mark_held_locks+0x130/0x130
[  297.505659]  ? mark_held_locks+0x130/0x130
[  297.509903]  ? mark_held_locks+0xc7/0x130
[  297.514055]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  297.519082]  ? zap_class+0x640/0x640
[  297.522801]  ? print_usage_bug+0xc0/0xc0
[  297.526878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.532427]  ? check_preemption_disabled+0x48/0x280
[  297.537466]  ? __lock_is_held+0xb5/0x140
[  297.541545]  __alloc_pages_nodemask+0xa80/0xde0
[  297.546241]  ? zap_class+0x640/0x640
[  297.549971]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.555004]  ? find_held_lock+0x36/0x1c0
[  297.559083]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.563766]  ? lock_downgrade+0x900/0x900
[  297.567927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.573476]  cache_grow_begin+0xa5/0x8c0
[  297.577543]  ? do_raw_spin_unlock+0xa7/0x330
[  297.581969]  fallback_alloc+0x204/0x2e0
[  297.585964]  ____cache_alloc_node+0x1c7/0x1e0
[  297.590477]  kmem_cache_alloc_node+0xe3/0x730
[  297.594974]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.599221]  __alloc_skb+0x119/0x770
[  297.602935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.608221]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.612637]  ? lock_downgrade+0x900/0x900
[  297.616798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.622339]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.627795]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.633250]  ? addrconf_rs_timer+0x690/0x690
[  297.638151]  ndisc_alloc_skb+0x144/0x340
[  297.642223]  ndisc_send_rs+0x331/0x6e0
[  297.646118]  addrconf_rs_timer+0x314/0x690
[  297.650363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.654618]  call_timer_fn+0x272/0x920
[  297.658507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.662745]  ? process_timeout+0x40/0x40
[  297.666820]  ? mark_held_locks+0xc7/0x130
[  297.670979]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.675475]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.679973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.684212]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.688821]  ? trace_hardirqs_on+0xbd/0x310
[  297.693157]  ? kasan_check_read+0x11/0x20
[  297.697304]  ? __run_timers+0x7da/0xc70
[  297.701285]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.706395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.710639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.714883]  __run_timers+0x7e5/0xc70
[  297.718698]  ? timer_fixup_init+0x70/0x70
[  297.722852]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.727881]  ? zap_class+0x640/0x640
[  297.731609]  ? print_usage_bug+0xc0/0xc0
[  297.735679]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  297.740885]  ? find_held_lock+0x36/0x1c0
[  297.744955]  ? zap_class+0x640/0x640
[  297.748681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.754223]  ? check_preemption_disabled+0x48/0x280
[  297.759250]  ? __lock_is_held+0xb5/0x140
[  297.763319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.769037]  ? check_preemption_disabled+0x48/0x280
[  297.774066]  run_timer_softirq+0x52/0xb0
[  297.778130]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.783149]  __do_softirq+0x308/0xb7e
[  297.786959]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.791463]  ? lock_downgrade+0x900/0x900
[  297.795625]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.800968]  ? pvclock_read_flags+0x160/0x160
[  297.805473]  ? lapic_next_event+0x5a/0x90
[  297.809633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.815178]  ? kvm_clock_read+0x18/0x30
[  297.819157]  ? kvm_sched_clock_read+0x9/0x20
[  297.823569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.829115]  ? check_preemption_disabled+0x48/0x280
[  297.834141]  irq_exit+0x17f/0x1c0
[  297.837612]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.842459]  ? smp_reschedule_interrupt+0x109/0x650
[  297.847481]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.853375]  ? interrupt_entry+0xb5/0xc0
[  297.857446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.862492]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.867515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.872365]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.877381]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.882401]  ? task_prio+0x50/0x50
[  297.885948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.891491]  ? check_preemption_disabled+0x48/0x280
[  297.896514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.901375]  apic_timer_interrupt+0xf/0x20
[  297.905611]  </IRQ>
[  297.907862] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  297.914011] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  297.932917] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  297.940628] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  297.947897] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  297.955166] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  297.962440] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  297.969712] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  297.977004]  ? unlock_page+0x25d/0x4c0
[  297.980908]  unlock_page+0x25d/0x4c0
[  297.984632]  ? wake_up_page_bit+0x6f0/0x6f0
[  297.988953]  ? shrink_page_list+0x7e68/0xccd0
[  297.993449]  ? shrink_page_list+0x7e68/0xccd0
[  297.997956]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.002543]  ? shrink_inactive_list+0x77b/0x1c60
[  298.007304]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.012414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.017955]  ? check_preemption_disabled+0x48/0x280
[  298.022971]  ? shrink_page_list+0x145c/0xccd0
[  298.027474]  shrink_page_list+0x3714/0xccd0
[  298.031827]  ? page_evictable+0x540/0x540
[  298.036160]  ? rb_erase_cached+0xc78/0x3720
[  298.040484]  ? rb_erase_cached+0xc78/0x3720
[  298.044812]  ? rb_next+0x140/0x140
[  298.048364]  ? rb_next+0x140/0x140
[  298.051912]  ? rb_next+0x140/0x140
[  298.055533]  ? zap_class+0x640/0x640
[  298.059257]  ? zap_class+0x640/0x640
[  298.062970]  ? zap_class+0x640/0x640
[  298.066688]  ? zap_class+0x640/0x640
[  298.070405]  ? __update_load_avg_se+0x5eb/0xae0
[  298.075112]  ? __update_load_avg_blocked_se+0x690/0x690
[  298.080482]  ? __update_load_avg_se+0xae0/0xae0
[  298.085149]  ? zap_class+0x640/0x640
[  298.088880]  ? update_load_avg+0x387/0x2470
[  298.093213]  ? attach_entity_load_avg+0x860/0x860
[  298.098065]  ? update_load_avg+0x387/0x2470
[  298.102396]  ? attach_entity_load_avg+0x860/0x860
[  298.107243]  ? attach_entity_load_avg+0x860/0x860
[  298.112095]  ? attach_entity_load_avg+0x860/0x860
[  298.116941]  ? rb_erase+0x3710/0x3710
[  298.120743]  ? rb_erase+0x3710/0x3710
[  298.124545]  ? rb_erase+0x3710/0x3710
[  298.128349]  ? rb_erase+0x3710/0x3710
[  298.132159]  ? rb_erase+0x3710/0x3710
[  298.135968]  ? __lock_acquire+0x62f/0x4c20
[  298.140216]  ? zap_class+0x640/0x640
[  298.143934]  ? print_usage_bug+0xc0/0xc0
[  298.147997]  ? zap_class+0x640/0x640
[  298.151714]  ? zap_class+0x640/0x640
[  298.155433]  ? print_usage_bug+0xc0/0xc0
[  298.159501]  ? print_usage_bug+0xc0/0xc0
[  298.163566]  ? zap_class+0x640/0x640
[  298.167290]  ? __lock_is_held+0xb5/0x140
[  298.171363]  ? print_usage_bug+0xc0/0xc0
[  298.175453]  ? __lock_acquire+0x62f/0x4c20
[  298.179702]  ? mark_held_locks+0x130/0x130
[  298.183939]  ? print_usage_bug+0xc0/0xc0
[  298.188012]  ? rb_erase_cached+0xc78/0x3720
[  298.192346]  ? rb_next+0x140/0x140
[  298.195894]  ? rb_next+0x140/0x140
[  298.199440]  ? __lock_acquire+0x62f/0x4c20
[  298.203683]  ? __lock_acquire+0x62f/0x4c20
[  298.207925]  ? rcu_note_context_switch+0x12ad/0x2150
[  298.213035]  ? print_usage_bug+0xc0/0xc0
[  298.217113]  ? mark_held_locks+0x130/0x130
[  298.221356]  ? zap_class+0x640/0x640
[  298.225080]  ? print_usage_bug+0xc0/0xc0
[  298.229140]  ? put_dec+0x3b/0xf0
[  298.232536]  ? rb_next+0x140/0x140
[  298.236088]  ? __lock_acquire+0x62f/0x4c20
[  298.240329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.245881]  ? check_preemption_disabled+0x48/0x280
[  298.250924]  ? print_usage_bug+0xc0/0xc0
[  298.255003]  ? rb_erase_cached+0xc78/0x3720
[  298.259338]  ? rb_next+0x140/0x140
[  298.262896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.268437]  ? __isolate_lru_page+0xd05/0x1540
[  298.273036]  ? print_usage_bug+0xc0/0xc0
[  298.277108]  ? mark_held_locks+0x130/0x130
[  298.281346]  ? zap_class+0x640/0x640
[  298.285064]  ? update_load_avg+0x13b8/0x2470
[  298.289485]  ? print_usage_bug+0xc0/0xc0
[  298.293555]  ? zap_class+0x640/0x640
[  298.297270]  ? __lock_acquire+0x62f/0x4c20
[  298.301510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.307055]  ? check_preemption_disabled+0x48/0x280
[  298.312082]  ? __update_load_avg_blocked_se+0x690/0x690
[  298.317454]  ? __update_load_avg_se+0xae0/0xae0
[  298.322122]  ? zap_class+0x640/0x640
[  298.325850]  ? update_load_avg+0x387/0x2470
[  298.330189]  ? attach_entity_load_avg+0x860/0x860
[  298.335039]  ? update_load_avg+0x387/0x2470
[  298.339367]  ? attach_entity_load_avg+0x860/0x860
[  298.344213]  ? attach_entity_load_avg+0x860/0x860
[  298.349067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.354620]  ? __isolate_lru_page+0xd05/0x1540
[  298.359211]  ? putback_lru_page+0x280/0x280
[  298.363541]  ? rb_erase+0x3710/0x3710
[  298.367355]  ? mark_held_locks+0x130/0x130
[  298.371603]  ? cpuacct_charge+0x265/0x440
[  298.375759]  ? find_held_lock+0x36/0x1c0
[  298.379842]  ? zap_class+0x640/0x640
[  298.383566]  ? print_usage_bug+0xc0/0xc0
[  298.387633]  ? zap_class+0x640/0x640
[  298.391350]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.396280]  ? kasan_check_read+0x11/0x20
[  298.400432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.405717]  ? zap_class+0x640/0x640
[  298.409430]  ? __lock_is_held+0xb5/0x140
[  298.413516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.419065]  ? check_preemption_disabled+0x48/0x280
[  298.424089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.429630]  ? check_preemption_disabled+0x48/0x280
[  298.434647]  ? __lock_is_held+0xb5/0x140
[  298.438718]  ? __this_cpu_preempt_check+0x1c/0x20
[  298.443562]  ? __mod_zone_page_state+0x8a/0xf0
[  298.448157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.453697]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  298.458914]  ? __isolate_lru_page+0x1540/0x1540
[  298.463610]  ? zap_class+0x640/0x640
[  298.467331]  ? print_usage_bug+0xc0/0xc0
[  298.471395]  ? __account_cfs_rq_runtime+0x790/0x790
[  298.476417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.481963]  ? find_held_lock+0x36/0x1c0
[  298.486034]  ? zap_class+0x640/0x640
[  298.489753]  ? print_usage_bug+0xc0/0xc0
[  298.493817]  ? mark_held_locks+0xc7/0x130
[  298.497974]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.502478]  ? zap_class+0x640/0x640
[  298.506195]  ? print_usage_bug+0xc0/0xc0
[  298.510263]  ? mark_held_locks+0xc7/0x130
[  298.514423]  ? find_held_lock+0x36/0x1c0
[  298.518495]  ? mark_held_locks+0xc7/0x130
[  298.522648]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.527143]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.531643]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.536229]  ? trace_hardirqs_on+0xbd/0x310
[  298.540556]  ? kasan_check_read+0x11/0x20
[  298.544714]  ? shrink_inactive_list+0x741/0x1c60
[  298.549478]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.554582]  ? trace_hardirqs_on+0x310/0x310
[  298.559005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.564546]  ? check_preemption_disabled+0x48/0x280
[  298.569581]  shrink_inactive_list+0x77b/0x1c60
[  298.574198]  ? putback_inactive_pages+0x27e0/0x27e0
[  298.579228]  ? kasan_check_read+0x11/0x20
[  298.583388]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  298.588669]  ? __rcu_read_unlock+0x2d6/0x2e0
[  298.593083]  ? blk_lld_busy+0x70/0x70
[  298.596893]  ? kasan_check_read+0x11/0x20
[  298.601067]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  298.606015]  shrink_node_memcg+0x78b/0x18f0
[  298.610358]  ? shrink_active_list+0x1f00/0x1f00
[  298.615037]  ? lock_downgrade+0x900/0x900
[  298.619191]  ? check_flush_dependency+0x410/0x410
[  298.624044]  ? kasan_check_read+0x11/0x20
[  298.628193]  ? do_raw_spin_unlock+0xa7/0x330
[  298.632620]  ? ___preempt_schedule+0x16/0x18
[  298.637274]  ? _raw_spin_unlock+0x3f/0x50
[  298.641437]  shrink_node+0x3bc/0x16b0
[  298.645248]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  298.650557]  ? shrink_node_memcg+0x18f0/0x18f0
[  298.655153]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.659754]  ? trace_hardirqs_on+0xbd/0x310
[  298.664094]  ? vmpressure+0x271/0x340
[  298.667917]  ? do_raw_spin_trylock+0x270/0x270
[  298.672524]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.678082]  ? __cpuset_node_allowed+0x19b/0x660
[  298.682866]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  298.688623]  ? vmpressure+0x1a2/0x340
[  298.692453]  do_try_to_free_pages+0x3e7/0x1290
[  298.697048]  ? zap_class+0x640/0x640
[  298.700792]  ? shrink_node+0x16b0/0x16b0
[  298.704873]  ? __lock_is_held+0xb5/0x140
[  298.708960]  try_to_free_pages+0x4d0/0xb90
[  298.713216]  ? do_try_to_free_pages+0x1290/0x1290
[  298.718099]  ? lock_acquire+0x1ed/0x520
[  298.722087]  ? set_page_refcounted+0x280/0x280
[  298.726692]  ? lock_release+0xa00/0xa00
[  298.730682]  ? _raw_spin_unlock_irq+0x60/0x80
[  298.735193]  ? psi_memstall_enter+0x240/0x2b0
[  298.739709]  ? psi_memstall_tick+0x230/0x230
[  298.744155]  __alloc_pages_slowpath+0xa14/0x2e10
[  298.748966]  ? warn_alloc+0x120/0x120
[  298.752782]  ? mark_held_locks+0x130/0x130
[  298.757040]  ? find_get_entry+0xaae/0x1120
[  298.761304]  ? filemap_map_pages+0x1a20/0x1a20
[  298.765913]  ? zap_class+0x640/0x640
[  298.769649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.775209]  ? check_preemption_disabled+0x48/0x280
[  298.780244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.785802]  ? should_fail+0x22d/0xd01
[  298.789712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.794830]  ? zap_class+0x640/0x640
[  298.798585]  ? __lock_is_held+0xb5/0x140
[  298.802671]  ? mark_held_locks+0x130/0x130
[  298.806918]  ? lock_release+0xa00/0xa00
[  298.810899]  ? perf_trace_sched_process_exec+0x860/0x860
[  298.816362]  ? xa_load+0x2ba/0x460
[  298.819918]  ? lock_downgrade+0x900/0x900
[  298.824090]  ? __might_sleep+0x95/0x190
[  298.828087]  __alloc_pages_nodemask+0xa80/0xde0
[  298.832778]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.837833]  ? __page_cache_alloc+0x191/0x5c0
[  298.842336]  ? xa_load+0x2e1/0x460
[  298.845895]  ? xa_clear_mark+0x40/0x40
[  298.849794]  ? zap_class+0x640/0x640
[  298.853525]  ? zap_class+0x640/0x640
[  298.857241]  ? zap_class+0x640/0x640
[  298.860958]  ? __do_page_cache_readahead+0x663/0x810
[  298.866073]  ? find_held_lock+0x36/0x1c0
[  298.870148]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  298.875701]  alloc_pages_current+0x173/0x350
[  298.880124]  __page_cache_alloc+0x38c/0x5c0
[  298.884456]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.889405]  ? kasan_check_read+0x11/0x20
[  298.893562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.898862]  ? generic_perform_write+0x6a0/0x6a0
[  298.903632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.909178]  ? check_preemption_disabled+0x48/0x280
[  298.914214]  filemap_fault+0x1595/0x25f0
[  298.918300]  ? __lock_page_or_retry+0xa00/0xa00
[  298.922987]  ? mark_held_locks+0x130/0x130
[  298.927241]  ? filemap_map_pages+0xd6b/0x1a20
[  298.931749]  ? lock_downgrade+0x900/0x900
[  298.935928]  ? check_preemption_disabled+0x48/0x280
[  298.940965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.945923]  ? kasan_check_read+0x11/0x20
[  298.950087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.955380]  ? rcu_softirq_qs+0x20/0x20
[  298.959382]  ? filemap_map_pages+0xd92/0x1a20
[  298.963908]  ? find_get_entries_tag+0x1400/0x1400
[  298.968769]  ? debug_object_destroy+0x2b0/0x2b0
[  298.973461]  ? lock_pi_update_atomic+0x150/0x150
[  298.978235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.983805]  ? lock_acquire+0x1ed/0x520
[  298.987784]  ? ext4_filemap_fault+0x7a/0xad
[  298.992125]  ? lock_release+0xa00/0xa00
[  298.996108]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.001574]  ? print_usage_bug+0xc0/0xc0
[  299.005653]  ? print_usage_bug+0xc0/0xc0
[  299.009733]  ? down_read+0x8d/0x120
[  299.013366]  ? ext4_filemap_fault+0x7a/0xad
[  299.017701]  ? __down_interruptible+0x700/0x700
[  299.022392]  ext4_filemap_fault+0x82/0xad
[  299.026559]  __do_fault+0x100/0x6b0
[  299.030207]  ? find_held_lock+0x36/0x1c0
[  299.034287]  ? pmd_devmap_trans_unstable+0x220/0x220
[  299.039404]  ? mark_held_locks+0x130/0x130
[  299.043651]  ? mark_held_locks+0x130/0x130
[  299.047900]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.052424]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.056931]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  299.061527]  ? kasan_check_read+0x11/0x20
[  299.065686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.071255]  __handle_mm_fault+0x3ea6/0x5be0
[  299.075683]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  299.080535]  ? finish_task_switch+0x1f4/0x910
[  299.085033]  ? finish_task_switch+0x1b4/0x910
[  299.089538]  ? __switch_to_asm+0x34/0x70
[  299.093629]  ? preempt_notifier_register+0x200/0x200
[  299.098751]  ? __switch_to_asm+0x34/0x70
[  299.102828]  ? __switch_to_asm+0x34/0x70
[  299.106926]  ? zap_class+0x640/0x640
[  299.110654]  ? zap_class+0x640/0x640
[  299.114379]  ? __x64_sys_futex+0x53e/0x6a0
[  299.118635]  ? find_held_lock+0x36/0x1c0
[  299.122712]  ? handle_mm_fault+0x42a/0xc70
[  299.126952]  ? lock_downgrade+0x900/0x900
[  299.131105]  ? check_preemption_disabled+0x48/0x280
[  299.136131]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.141069]  ? kasan_check_read+0x11/0x20
[  299.145223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.150509]  ? rcu_softirq_qs+0x20/0x20
[  299.154496]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.159617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.165162]  ? check_preemption_disabled+0x48/0x280
[  299.170193]  handle_mm_fault+0x54f/0xc70
[  299.174261]  ? __handle_mm_fault+0x5be0/0x5be0
[  299.178858]  ? find_vma+0x34/0x190
[  299.182412]  __do_page_fault+0x5e8/0xe60
[  299.186485]  ? trace_hardirqs_off+0xb8/0x310
[  299.190918]  do_page_fault+0xf2/0x7e0
[  299.194732]  ? vmalloc_sync_all+0x30/0x30
[  299.198902]  ? error_entry+0x70/0xd0
[  299.202638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.207667]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.212612]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.217545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.222397]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.227421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.232884]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.237905]  ? page_fault+0x8/0x30
[  299.241452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.246301]  ? page_fault+0x8/0x30
[  299.249849]  page_fault+0x1e/0x30
[  299.253310] RIP: 0033:0x40f9c0
[  299.256516] Code: Bad RIP value.
[  299.259890] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  299.265256] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  299.272523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  299.279789] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  299.287060] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  299.294326] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  299.301629] warn_alloc_show_mem: 1 callbacks suppressed
[  299.301641] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  299.301643] Mem-Info:
[  299.301673] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  299.301673]  active_file:14 inactive_file:15 isolated_file:0
[  299.301673]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.301673]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  299.301673]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  299.301673]  free:13731 free_pcp:182 free_cma:0
[  299.307023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.313952] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.316350] Call Trace:
[  299.349401] 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
[  299.358754]  <IRQ>
[  299.386618] lowmem_reserve[]: 0 2818 6321 6321
[  299.389206]  dump_stack+0x244/0x39d
[  299.415300] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  299.417458]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.422003] lowmem_reserve[]: 0 0 3503 3503
[  299.425646]  warn_alloc.cold.116+0xb7/0x1bd
[  299.453378] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  299.458574]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.462868] lowmem_reserve[]: 0 0 0 0
[  299.467188]  ? lock_downgrade+0x900/0x900
[  299.496146] 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
[  299.500998]  ? trace_hardirqs_off+0xb8/0x310
[  299.504782] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  299.508936]  ? trace_hardirqs_off+0xb8/0x310
[  299.522438] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  299.526859]  __alloc_pages_slowpath+0x26e8/0x2e10
[  299.542018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  299.546452]  ? warn_alloc+0x120/0x120
[  299.561775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  299.566627]  ? print_usage_bug+0xc0/0xc0
[  299.575439] 2704 total pagecache pages
[  299.579242]  ? warn_alloc+0x120/0x120
[  299.587796] 0 pages in swap cache
[  299.591855]  ? warn_alloc+0x120/0x120
[  299.595714] Swap cache stats: add 0, delete 0, find 0/0
[  299.595723] Free swap  = 0kB
[  299.599523]  ? print_usage_bug+0xc0/0xc0
[  299.602950] Total swap = 0kB
[  299.606745]  ? kvm_clock_read+0x18/0x30
[  299.612083] 1965979 pages RAM
[  299.615099]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  299.619133] 0 pages HighMem/MovableOnly
[  299.622145]  ? print_usage_bug+0xc0/0xc0
[  299.626094] 342858 pages reserved
[  299.629193]  ? __lock_acquire+0x62f/0x4c20
[  299.634187] 0 pages cma reserved
[  299.638470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.642572] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.645950]  ? should_fail+0x22d/0xd01
[  299.645963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.645984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.650258] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.653560]  ? __lock_acquire+0x62f/0x4c20
[  299.659088] syz-fuzzer cpuset=/ mems_allowed=0
[  299.665580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.703891]  ? __lock_acquire+0x62f/0x4c20
[  299.708141]  ? should_fail+0x22d/0xd01
[  299.712037]  ? rcu_irq_exit+0x1a2/0x390
[  299.716031]  ? mark_held_locks+0x130/0x130
[  299.720276]  ? mark_held_locks+0x130/0x130
[  299.724521]  ? mark_held_locks+0xc7/0x130
[  299.728680]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  299.733707]  ? zap_class+0x640/0x640
[  299.737426]  ? print_usage_bug+0xc0/0xc0
[  299.741499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.747042]  ? check_preemption_disabled+0x48/0x280
[  299.752076]  ? __lock_is_held+0xb5/0x140
[  299.756151]  __alloc_pages_nodemask+0xa80/0xde0
[  299.760830]  ? zap_class+0x640/0x640
[  299.764556]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.770093]  ? find_held_lock+0x36/0x1c0
[  299.774171]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.778846]  ? lock_downgrade+0x900/0x900
[  299.783007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.788555]  cache_grow_begin+0xa5/0x8c0
[  299.792627]  ? do_raw_spin_unlock+0xa7/0x330
[  299.797050]  fallback_alloc+0x204/0x2e0
[  299.801040]  ____cache_alloc_node+0x1c7/0x1e0
[  299.805550]  kmem_cache_alloc_node+0xe3/0x730
[  299.810050]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.814298]  __alloc_skb+0x119/0x770
[  299.818025]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.823318]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.827741]  ? lock_downgrade+0x900/0x900
[  299.831904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.837453]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.842912]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.848369]  ? addrconf_rs_timer+0x690/0x690
[  299.852792]  ndisc_alloc_skb+0x144/0x340
[  299.856862]  ndisc_send_rs+0x331/0x6e0
[  299.860760]  addrconf_rs_timer+0x314/0x690
[  299.865019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.869267]  call_timer_fn+0x272/0x920
[  299.873159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.877400]  ? process_timeout+0x40/0x40
[  299.881470]  ? __run_timers+0x7da/0xc70
[  299.885454]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.889952]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.894451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.898695]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.903287]  ? trace_hardirqs_on+0xbd/0x310
[  299.907620]  ? kasan_check_read+0x11/0x20
[  299.911772]  ? __run_timers+0x7da/0xc70
[  299.915760]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.920871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.925133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.929378]  __run_timers+0x7e5/0xc70
[  299.933194]  ? timer_fixup_init+0x70/0x70
[  299.937346]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.942379]  ? zap_class+0x640/0x640
[  299.946102]  ? enqueue_hrtimer+0x1a5/0x560
[  299.950343]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.955552]  ? find_held_lock+0x36/0x1c0
[  299.959628]  ? zap_class+0x640/0x640
[  299.963361]  ? pvclock_read_flags+0x160/0x160
[  299.967863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.973405]  ? check_preemption_disabled+0x48/0x280
[  299.978437]  ? __lock_is_held+0xb5/0x140
[  299.982509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.988051]  ? check_preemption_disabled+0x48/0x280
[  299.993076]  run_timer_softirq+0x52/0xb0
[  299.997141]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.002164]  __do_softirq+0x308/0xb7e
[  300.005974]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.010476]  ? lock_downgrade+0x900/0x900
[  300.014640]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.019760]  ? pvclock_read_flags+0x160/0x160
[  300.024280]  ? lapic_next_event+0x5a/0x90
[  300.028437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.033985]  ? kvm_clock_read+0x18/0x30
[  300.037962]  ? kvm_sched_clock_read+0x9/0x20
[  300.042380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.047923]  ? check_preemption_disabled+0x48/0x280
[  300.052956]  irq_exit+0x17f/0x1c0
[  300.056417]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.061269]  ? smp_reschedule_interrupt+0x109/0x650
[  300.066294]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.072183]  ? interrupt_entry+0xb5/0xc0
[  300.076253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.081277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.086303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.091155]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.096183]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.101212]  ? task_prio+0x50/0x50
[  300.104765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.110310]  ? check_preemption_disabled+0x48/0x280
[  300.115343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.120210]  apic_timer_interrupt+0xf/0x20
[  300.124442]  </IRQ>
[  300.126688] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.131627] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  300.150538] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  300.158259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.165541] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  300.172824] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  300.180100] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.187375] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  300.194693]  skb_clone+0x1bb/0x500
[  300.198240]  ? finish_task_switch+0x1b4/0x910
[  300.202748]  ? skb_split+0x11e0/0x11e0
[  300.206647]  ? preempt_notifier_register+0x200/0x200
[  300.211766]  ? __switch_to_asm+0x34/0x70
[  300.215836]  ? __switch_to_asm+0x34/0x70
[  300.219901]  ? __switch_to_asm+0x40/0x70
[  300.223962]  ? __switch_to_asm+0x34/0x70
[  300.228023]  ? __switch_to_asm+0x40/0x70
[  300.232085]  ? __switch_to_asm+0x34/0x70
[  300.236150]  ? __switch_to_asm+0x40/0x70
[  300.240216]  ? __switch_to_asm+0x34/0x70
[  300.244286]  ? __switch_to_asm+0x34/0x70
[  300.248363]  ? __switch_to_asm+0x40/0x70
[  300.252429]  ? __switch_to_asm+0x34/0x70
[  300.256503]  bpf_clone_redirect+0xb9/0x490
[  300.260754]  ? __schedule+0x8d7/0x21d0
[  300.264665]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  300.269703]  ? __sched_text_start+0x8/0x8
[  300.273868]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.278652]  ? find_held_lock+0x36/0x1c0
[  300.282734]  ? lock_acquire+0x1ed/0x520
[  300.286721]  ? bpf_test_run+0x3cb/0x780
[  300.290711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.296261]  ? check_preemption_disabled+0x48/0x280
[  300.301294]  ? kasan_check_read+0x11/0x20
[  300.305451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.310743]  ? rcu_softirq_qs+0x20/0x20
[  300.314725]  ? preempt_schedule+0x4d/0x60
[  300.318882]  ? ___preempt_schedule+0x16/0x18
[  300.323324]  ? bpf_test_run+0x25d/0x780
[  300.327330]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.331760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.337322]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  300.342101]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.346949]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.352501]  ? fput+0x130/0x1a0
[  300.355790]  ? __bpf_prog_get+0x9b/0x290
[  300.359864]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.364723]  ? bpf_prog_test_run+0x130/0x1a0
[  300.369149]  ? __x64_sys_bpf+0x3d8/0x520
[  300.373218]  ? bpf_prog_get+0x20/0x20
[  300.377049]  ? do_syscall_64+0x1b9/0x820
[  300.381125]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.386508]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.391459]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.396496]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.401526]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  300.408207]  ? __switch_to_asm+0x40/0x70
[  300.412281]  ? __switch_to_asm+0x34/0x70
[  300.416367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.421257]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.426656] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  300.426724] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.433241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.433250] Call Trace:
[  300.439858] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.449090]  <IRQ>
[  300.451670] syz-executor1 cpuset=syz1 mems_allowed=0
[  300.462162]  dump_stack+0x244/0x39d
[  300.473017]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.478228]  warn_alloc.cold.116+0xb7/0x1bd
[  300.482555]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.487409]  ? lock_downgrade+0x900/0x900
[  300.491575]  ? trace_hardirqs_off+0xb8/0x310
[  300.496016]  ? trace_hardirqs_off+0xb8/0x310
[  300.500469]  __alloc_pages_slowpath+0x26e8/0x2e10
[  300.505359]  ? warn_alloc+0x120/0x120
[  300.509173]  ? print_usage_bug+0xc0/0xc0
[  300.513249]  ? warn_alloc+0x120/0x120
[  300.517069]  ? warn_alloc+0x120/0x120
[  300.520883]  ? print_usage_bug+0xc0/0xc0
[  300.524960]  ? print_usage_bug+0xc0/0xc0
[  300.529034]  ? __lock_acquire+0x62f/0x4c20
[  300.533284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.538832]  ? should_fail+0x22d/0xd01
[  300.542737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.547850]  ? __lock_acquire+0x62f/0x4c20
[  300.552102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.557233]  ? __lock_acquire+0x62f/0x4c20
[  300.561475]  ? should_fail+0x22d/0xd01
[  300.565368]  ? find_held_lock+0x36/0x1c0
[  300.569447]  ? mark_held_locks+0x130/0x130
[  300.573689]  ? mark_held_locks+0x130/0x130
[  300.577932]  ? zap_class+0x640/0x640
[  300.581655]  ? zap_class+0x640/0x640
[  300.585383]  ? print_usage_bug+0xc0/0xc0
[  300.589453]  ? do_raw_spin_unlock+0xa7/0x330
[  300.593877]  ? zap_class+0x640/0x640
[  300.597604]  ? print_usage_bug+0xc0/0xc0
[  300.601671]  ? wq_watchdog_touch+0x9c/0xfe
[  300.605914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.611458]  ? check_preemption_disabled+0x48/0x280
[  300.616492]  ? __lock_is_held+0xb5/0x140
[  300.620571]  __alloc_pages_nodemask+0xa80/0xde0
[  300.625255]  ? zap_class+0x640/0x640
[  300.628996]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  300.634031]  ? find_held_lock+0x36/0x1c0
[  300.638108]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.642789]  ? lock_downgrade+0x900/0x900
[  300.646953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.652512]  cache_grow_begin+0xa5/0x8c0
[  300.656587]  ? do_raw_spin_unlock+0xa7/0x330
[  300.661117]  fallback_alloc+0x204/0x2e0
[  300.665117]  ____cache_alloc_node+0x1c7/0x1e0
[  300.669640]  kmem_cache_alloc_node+0xe3/0x730
[  300.674148]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.678406]  __alloc_skb+0x119/0x770
[  300.682128]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.687428]  ? netdev_alloc_frag+0x1f0/0x1f0
[  300.691847]  ? lock_downgrade+0x900/0x900
[  300.696013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.701557]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.707033]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.712502]  ? addrconf_rs_timer+0x690/0x690
[  300.716944]  ndisc_alloc_skb+0x144/0x340
[  300.721026]  ndisc_send_rs+0x331/0x6e0
[  300.724933]  addrconf_rs_timer+0x314/0x690
[  300.729187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.733450]  call_timer_fn+0x272/0x920
[  300.737350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.741600]  ? process_timeout+0x40/0x40
[  300.745684]  ? mark_held_locks+0xc7/0x130
[  300.750199]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.754707]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.759205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.763451]  ? lockdep_hardirqs_on+0x296/0x5b0
[  300.768034]  ? trace_hardirqs_on+0xbd/0x310
[  300.772358]  ? kasan_check_read+0x11/0x20
[  300.776513]  ? __run_timers+0x7da/0xc70
[  300.780498]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.785625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.789877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.794119]  __run_timers+0x7e5/0xc70
[  300.797942]  ? timer_fixup_init+0x70/0x70
[  300.802095]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.807116]  ? zap_class+0x640/0x640
[  300.810845]  ? print_usage_bug+0xc0/0xc0
[  300.814919]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.820120]  ? find_held_lock+0x36/0x1c0
[  300.824191]  ? zap_class+0x640/0x640
[  300.827918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.833466]  ? check_preemption_disabled+0x48/0x280
[  300.838505]  ? __lock_is_held+0xb5/0x140
[  300.842572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.848124]  ? check_preemption_disabled+0x48/0x280
[  300.853154]  run_timer_softirq+0x52/0xb0
[  300.857235]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.862259]  __do_softirq+0x308/0xb7e
[  300.866070]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.870570]  ? lock_downgrade+0x900/0x900
[  300.874734]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.879859]  ? pvclock_read_flags+0x160/0x160
[  300.884360]  ? lapic_next_event+0x5a/0x90
[  300.888523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.894068]  ? kvm_clock_read+0x18/0x30
[  300.898045]  ? kvm_sched_clock_read+0x9/0x20
[  300.902459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.908018]  ? check_preemption_disabled+0x48/0x280
[  300.913046]  irq_exit+0x17f/0x1c0
[  300.916506]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.921351]  ? smp_reschedule_interrupt+0x109/0x650
[  300.926371]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.932259]  ? interrupt_entry+0xb5/0xc0
[  300.936327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.941344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.946364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.951210]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.956233]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.961259]  ? task_prio+0x50/0x50
[  300.964808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.970353]  ? check_preemption_disabled+0x48/0x280
[  300.975379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.980235]  apic_timer_interrupt+0xf/0x20
[  300.984468]  </IRQ>
[  300.986709] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  300.992863] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  301.011776] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  301.019491] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  301.026765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  301.034035] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  301.041337] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  301.048613] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  301.055912]  ? unlock_page+0x25d/0x4c0
[  301.059812]  unlock_page+0x25d/0x4c0
[  301.063550]  ? wake_up_page_bit+0x6f0/0x6f0
[  301.067876]  ? shrink_page_list+0x7e68/0xccd0
[  301.072371]  ? shrink_page_list+0x7e68/0xccd0
[  301.076880]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.081474]  ? shrink_inactive_list+0x77b/0x1c60
[  301.086233]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.091342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.096899]  ? check_preemption_disabled+0x48/0x280
[  301.101920]  ? shrink_page_list+0x145c/0xccd0
[  301.106432]  shrink_page_list+0x3714/0xccd0
[  301.110783]  ? page_evictable+0x540/0x540
[  301.115108]  ? rb_erase_cached+0xc78/0x3720
[  301.119432]  ? rb_erase_cached+0xc78/0x3720
[  301.123764]  ? rb_next+0x140/0x140
[  301.127311]  ? rb_next+0x140/0x140
[  301.130865]  ? rb_next+0x140/0x140
[  301.134483]  ? zap_class+0x640/0x640
[  301.138203]  ? zap_class+0x640/0x640
[  301.141915]  ? zap_class+0x640/0x640
[  301.145636]  ? zap_class+0x640/0x640
[  301.149350]  ? __update_load_avg_se+0x5eb/0xae0
[  301.154021]  ? __update_load_avg_blocked_se+0x690/0x690
[  301.159394]  ? __update_load_avg_se+0xae0/0xae0
[  301.164063]  ? zap_class+0x640/0x640
[  301.167792]  ? update_load_avg+0x387/0x2470
[  301.172123]  ? attach_entity_load_avg+0x860/0x860
[  301.176976]  ? update_load_avg+0x387/0x2470
[  301.181311]  ? attach_entity_load_avg+0x860/0x860
[  301.186162]  ? attach_entity_load_avg+0x860/0x860
[  301.191013]  ? attach_entity_load_avg+0x860/0x860
[  301.195863]  ? rb_erase+0x3710/0x3710
[  301.199668]  ? rb_erase+0x3710/0x3710
[  301.203473]  ? rb_erase+0x3710/0x3710
[  301.207280]  ? rb_erase+0x3710/0x3710
[  301.211089]  ? rb_erase+0x3710/0x3710
[  301.214898]  ? __lock_acquire+0x62f/0x4c20
[  301.219147]  ? zap_class+0x640/0x640
[  301.222868]  ? print_usage_bug+0xc0/0xc0
[  301.226931]  ? zap_class+0x640/0x640
[  301.230648]  ? zap_class+0x640/0x640
[  301.234365]  ? print_usage_bug+0xc0/0xc0
[  301.238434]  ? print_usage_bug+0xc0/0xc0
[  301.242501]  ? zap_class+0x640/0x640
[  301.246218]  ? __lock_is_held+0xb5/0x140
[  301.250295]  ? print_usage_bug+0xc0/0xc0
[  301.254365]  ? __lock_acquire+0x62f/0x4c20
[  301.258616]  ? mark_held_locks+0x130/0x130
[  301.262858]  ? print_usage_bug+0xc0/0xc0
[  301.266935]  ? rb_erase_cached+0xc78/0x3720
[  301.271270]  ? rb_next+0x140/0x140
[  301.274819]  ? rb_next+0x140/0x140
[  301.278361]  ? __lock_acquire+0x62f/0x4c20
[  301.282606]  ? __lock_acquire+0x62f/0x4c20
[  301.286849]  ? rcu_note_context_switch+0x12ad/0x2150
[  301.291962]  ? print_usage_bug+0xc0/0xc0
[  301.296036]  ? mark_held_locks+0x130/0x130
[  301.300282]  ? zap_class+0x640/0x640
[  301.303999]  ? print_usage_bug+0xc0/0xc0
[  301.308064]  ? put_dec+0x3b/0xf0
[  301.311454]  ? rb_next+0x140/0x140
[  301.314997]  ? __lock_acquire+0x62f/0x4c20
[  301.319233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.324777]  ? check_preemption_disabled+0x48/0x280
[  301.329810]  ? print_usage_bug+0xc0/0xc0
[  301.333885]  ? rb_erase_cached+0xc78/0x3720
[  301.338220]  ? rb_next+0x140/0x140
[  301.341776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.347320]  ? __isolate_lru_page+0xd05/0x1540
[  301.351915]  ? print_usage_bug+0xc0/0xc0
[  301.355984]  ? mark_held_locks+0x130/0x130
[  301.360222]  ? zap_class+0x640/0x640
[  301.363941]  ? update_load_avg+0x13b8/0x2470
[  301.368357]  ? print_usage_bug+0xc0/0xc0
[  301.372428]  ? zap_class+0x640/0x640
[  301.376143]  ? __lock_acquire+0x62f/0x4c20
[  301.380381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.385923]  ? check_preemption_disabled+0x48/0x280
[  301.390951]  ? __update_load_avg_blocked_se+0x690/0x690
[  301.396323]  ? __update_load_avg_se+0xae0/0xae0
[  301.400990]  ? zap_class+0x640/0x640
[  301.404715]  ? update_load_avg+0x387/0x2470
[  301.409046]  ? attach_entity_load_avg+0x860/0x860
[  301.413898]  ? update_load_avg+0x387/0x2470
[  301.418226]  ? attach_entity_load_avg+0x860/0x860
[  301.423076]  ? attach_entity_load_avg+0x860/0x860
[  301.427931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.433469]  ? __isolate_lru_page+0xd05/0x1540
[  301.438058]  ? putback_lru_page+0x280/0x280
[  301.442387]  ? rb_erase+0x3710/0x3710
[  301.446200]  ? mark_held_locks+0x130/0x130
[  301.450457]  ? cpuacct_charge+0x265/0x440
[  301.454620]  ? find_held_lock+0x36/0x1c0
[  301.458694]  ? zap_class+0x640/0x640
[  301.462411]  ? print_usage_bug+0xc0/0xc0
[  301.466473]  ? zap_class+0x640/0x640
[  301.470189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.475122]  ? kasan_check_read+0x11/0x20
[  301.479275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.484590]  ? zap_class+0x640/0x640
[  301.488318]  ? __lock_is_held+0xb5/0x140
[  301.492389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.497937]  ? check_preemption_disabled+0x48/0x280
[  301.502968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.508508]  ? check_preemption_disabled+0x48/0x280
[  301.513543]  ? __lock_is_held+0xb5/0x140
[  301.517621]  ? __this_cpu_preempt_check+0x1c/0x20
[  301.522475]  ? __mod_zone_page_state+0x8a/0xf0
[  301.527065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.532612]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  301.537840]  ? __isolate_lru_page+0x1540/0x1540
[  301.542535]  ? zap_class+0x640/0x640
[  301.546253]  ? print_usage_bug+0xc0/0xc0
[  301.550315]  ? __account_cfs_rq_runtime+0x790/0x790
[  301.555338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.560887]  ? find_held_lock+0x36/0x1c0
[  301.564954]  ? zap_class+0x640/0x640
[  301.568670]  ? print_usage_bug+0xc0/0xc0
[  301.572821]  ? mark_held_locks+0xc7/0x130
[  301.576982]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.581485]  ? zap_class+0x640/0x640
[  301.585202]  ? print_usage_bug+0xc0/0xc0
[  301.589268]  ? mark_held_locks+0xc7/0x130
[  301.593428]  ? find_held_lock+0x36/0x1c0
[  301.597502]  ? mark_held_locks+0xc7/0x130
[  301.601656]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.606152]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.610650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.615237]  ? trace_hardirqs_on+0xbd/0x310
[  301.619561]  ? kasan_check_read+0x11/0x20
[  301.623722]  ? shrink_inactive_list+0x741/0x1c60
[  301.628481]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.633608]  ? trace_hardirqs_on+0x310/0x310
[  301.638223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.643764]  ? check_preemption_disabled+0x48/0x280
[  301.648793]  shrink_inactive_list+0x77b/0x1c60
[  301.653395]  ? putback_inactive_pages+0x27e0/0x27e0
[  301.658419]  ? kasan_check_read+0x11/0x20
[  301.662570]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  301.667862]  ? __rcu_read_unlock+0x2d6/0x2e0
[  301.672278]  ? blk_lld_busy+0x70/0x70
[  301.676080]  ? kasan_check_read+0x11/0x20
[  301.680241]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  301.685270]  shrink_node_memcg+0x78b/0x18f0
[  301.689620]  ? shrink_active_list+0x1f00/0x1f00
[  301.694298]  ? lock_downgrade+0x900/0x900
[  301.698446]  ? check_flush_dependency+0x410/0x410
[  301.703296]  ? kasan_check_read+0x11/0x20
[  301.707445]  ? do_raw_spin_unlock+0xa7/0x330
[  301.711868]  ? ___preempt_schedule+0x16/0x18
[  301.716287]  ? _raw_spin_unlock+0x3f/0x50
[  301.720448]  shrink_node+0x3bc/0x16b0
[  301.724271]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  301.729578]  ? shrink_node_memcg+0x18f0/0x18f0
[  301.734172]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.738763]  ? trace_hardirqs_on+0xbd/0x310
[  301.743089]  ? vmpressure+0x271/0x340
[  301.746895]  ? do_raw_spin_trylock+0x270/0x270
[  301.751486]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.757025]  ? __cpuset_node_allowed+0x19b/0x660
[  301.761787]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  301.767499]  ? vmpressure+0x1a2/0x340
[  301.771522]  do_try_to_free_pages+0x3e7/0x1290
[  301.776106]  ? zap_class+0x640/0x640
[  301.779844]  ? shrink_node+0x16b0/0x16b0
[  301.783917]  ? __lock_is_held+0xb5/0x140
[  301.787998]  try_to_free_pages+0x4d0/0xb90
[  301.792239]  ? do_try_to_free_pages+0x1290/0x1290
[  301.797098]  ? lock_acquire+0x1ed/0x520
[  301.801077]  ? set_page_refcounted+0x280/0x280
[  301.805667]  ? lock_release+0xa00/0xa00
[  301.809648]  ? _raw_spin_unlock_irq+0x60/0x80
[  301.814144]  ? psi_memstall_enter+0x240/0x2b0
[  301.818642]  ? psi_memstall_tick+0x230/0x230
[  301.823068]  __alloc_pages_slowpath+0xa14/0x2e10
[  301.827862]  ? warn_alloc+0x120/0x120
[  301.831662]  ? mark_held_locks+0x130/0x130
[  301.835906]  ? find_get_entry+0xaae/0x1120
[  301.840150]  ? filemap_map_pages+0x1a20/0x1a20
[  301.844741]  ? zap_class+0x640/0x640
[  301.848463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.854010]  ? check_preemption_disabled+0x48/0x280
[  301.859027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.864569]  ? should_fail+0x22d/0xd01
[  301.868476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.873585]  ? zap_class+0x640/0x640
[  301.877342]  ? __lock_is_held+0xb5/0x140
[  301.881415]  ? mark_held_locks+0x130/0x130
[  301.885657]  ? lock_release+0xa00/0xa00
[  301.889634]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.895084]  ? xa_load+0x2ba/0x460
[  301.898635]  ? lock_downgrade+0x900/0x900
[  301.902791]  ? __might_sleep+0x95/0x190
[  301.906776]  __alloc_pages_nodemask+0xa80/0xde0
[  301.911455]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  301.916475]  ? __page_cache_alloc+0x191/0x5c0
[  301.920970]  ? xa_load+0x2e1/0x460
[  301.924516]  ? xa_clear_mark+0x40/0x40
[  301.928410]  ? zap_class+0x640/0x640
[  301.932131]  ? zap_class+0x640/0x640
[  301.935845]  ? zap_class+0x640/0x640
[  301.939569]  ? __do_page_cache_readahead+0x663/0x810
[  301.944691]  ? find_held_lock+0x36/0x1c0
[  301.948761]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  301.954304]  alloc_pages_current+0x173/0x350
[  301.958724]  __page_cache_alloc+0x38c/0x5c0
[  301.963045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.967977]  ? kasan_check_read+0x11/0x20
[  301.972131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.977413]  ? generic_perform_write+0x6a0/0x6a0
[  301.982173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.987717]  ? check_preemption_disabled+0x48/0x280
[  301.992746]  filemap_fault+0x1595/0x25f0
[  301.996826]  ? __lock_page_or_retry+0xa00/0xa00
[  302.001508]  ? mark_held_locks+0x130/0x130
[  302.005753]  ? filemap_map_pages+0xd6b/0x1a20
[  302.010255]  ? lock_downgrade+0x900/0x900
[  302.014405]  ? check_preemption_disabled+0x48/0x280
[  302.019432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.024368]  ? kasan_check_read+0x11/0x20
[  302.028522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.033799]  ? rcu_softirq_qs+0x20/0x20
[  302.037792]  ? filemap_map_pages+0xd92/0x1a20
[  302.042307]  ? find_get_entries_tag+0x1400/0x1400
[  302.047157]  ? debug_object_destroy+0x2b0/0x2b0
[  302.051831]  ? lock_pi_update_atomic+0x150/0x150
[  302.056606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.062163]  ? lock_acquire+0x1ed/0x520
[  302.066137]  ? ext4_filemap_fault+0x7a/0xad
[  302.070471]  ? lock_release+0xa00/0xa00
[  302.074448]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.079905]  ? print_usage_bug+0xc0/0xc0
[  302.083972]  ? print_usage_bug+0xc0/0xc0
[  302.088050]  ? down_read+0x8d/0x120
[  302.091679]  ? ext4_filemap_fault+0x7a/0xad
[  302.096001]  ? __down_interruptible+0x700/0x700
[  302.100687]  ext4_filemap_fault+0x82/0xad
[  302.104841]  __do_fault+0x100/0x6b0
[  302.108472]  ? find_held_lock+0x36/0x1c0
[  302.112541]  ? pmd_devmap_trans_unstable+0x220/0x220
[  302.117652]  ? mark_held_locks+0x130/0x130
[  302.121892]  ? mark_held_locks+0x130/0x130
[  302.126129]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.130636]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.135138]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.139725]  ? kasan_check_read+0x11/0x20
[  302.143884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.149430]  __handle_mm_fault+0x3ea6/0x5be0
[  302.153850]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  302.158703]  ? finish_task_switch+0x1f4/0x910
[  302.163197]  ? finish_task_switch+0x1b4/0x910
[  302.167696]  ? __switch_to_asm+0x34/0x70
[  302.171762]  ? preempt_notifier_register+0x200/0x200
[  302.176875]  ? __switch_to_asm+0x34/0x70
[  302.180942]  ? __switch_to_asm+0x34/0x70
[  302.185020]  ? zap_class+0x640/0x640
[  302.188739]  ? zap_class+0x640/0x640
[  302.192456]  ? __x64_sys_futex+0x53e/0x6a0
[  302.196709]  ? find_held_lock+0x36/0x1c0
[  302.200786]  ? handle_mm_fault+0x42a/0xc70
[  302.205028]  ? lock_downgrade+0x900/0x900
[  302.209180]  ? check_preemption_disabled+0x48/0x280
[  302.214203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.219139]  ? kasan_check_read+0x11/0x20
[  302.223287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.228565]  ? rcu_softirq_qs+0x20/0x20
[  302.232549]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.237658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.243205]  ? check_preemption_disabled+0x48/0x280
[  302.248236]  handle_mm_fault+0x54f/0xc70
[  302.252309]  ? __handle_mm_fault+0x5be0/0x5be0
[  302.256899]  ? find_vma+0x34/0x190
[  302.260449]  __do_page_fault+0x5e8/0xe60
[  302.264517]  ? trace_hardirqs_off+0xb8/0x310
[  302.268941]  do_page_fault+0xf2/0x7e0
[  302.272745]  ? vmalloc_sync_all+0x30/0x30
[  302.276896]  ? error_entry+0x70/0xd0
[  302.280621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.285638]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.290571]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.295511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.300358]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.305376]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.310837]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.315883]  ? page_fault+0x8/0x30
[  302.319428]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.324276]  ? page_fault+0x8/0x30
[  302.327825]  page_fault+0x1e/0x30
[  302.331282] RIP: 0033:0x40f9c0
[  302.334488] Code: Bad RIP value.
[  302.337851] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  302.343235] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  302.350503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  302.357770] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  302.365044] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  302.372315] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  302.379616] warn_alloc_show_mem: 1 callbacks suppressed
[  302.379628] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  302.379630] Mem-Info:
[  302.379661] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  302.379661]  active_file:14 inactive_file:15 isolated_file:0
[  302.379661]  unevictable:0 dirty:0 writeback:0 unstable:0
[  302.379661]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  302.379661]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  302.379661]  free:13731 free_pcp:182 free_cma:0
[  302.385004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.391935] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  302.394330] Call Trace:
[  302.427372] 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
[  302.436737]  <IRQ>
[  302.464571] lowmem_reserve[]: 0 2818 6321 6321
[  302.467164]  dump_stack+0x244/0x39d
[  302.493255] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  302.495412]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.499963] lowmem_reserve[]: 0 0 3503 3503
[  302.503601]  warn_alloc.cold.116+0xb7/0x1bd
[  302.531340] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  302.536543]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.540834] lowmem_reserve[]: 0 0 0 0
[  302.545151]  ? lock_downgrade+0x900/0x900
[  302.574102] 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
[  302.578946]  ? trace_hardirqs_off+0xb8/0x310
[  302.582716] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  302.586862]  ? trace_hardirqs_off+0xb8/0x310
[  302.600370] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  302.604786]  __alloc_pages_slowpath+0x26e8/0x2e10
[  302.619940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  302.624376]  ? warn_alloc+0x120/0x120
[  302.639910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  302.644746]  ? print_usage_bug+0xc0/0xc0
[  302.653556] 2704 total pagecache pages
[  302.657351]  ? warn_alloc+0x120/0x120
[  302.665908] 0 pages in swap cache
[  302.669957]  ? warn_alloc+0x120/0x120
[  302.673825] Swap cache stats: add 0, delete 0, find 0/0
[  302.677622]  ? print_usage_bug+0xc0/0xc0
[  302.681053] Free swap  = 0kB
[  302.684850]  ? kvm_clock_read+0x18/0x30
[  302.690191] Total swap = 0kB
[  302.694249]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  302.697239] 1965979 pages RAM
[  302.701209]  ? print_usage_bug+0xc0/0xc0
[  302.704205] 0 pages HighMem/MovableOnly
[  302.709212]  ? __lock_acquire+0x62f/0x4c20
[  302.712293] 342858 pages reserved
[  302.716349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.720301] 0 pages cma reserved
[  302.724532]  ? should_fail+0x22d/0xd01
[  302.728024] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.733484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.733502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.736953] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.740731]  ? __lock_acquire+0x62f/0x4c20
[  302.747196] syz-fuzzer cpuset=/ mems_allowed=0
[  302.752470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.781648]  ? __lock_acquire+0x62f/0x4c20
[  302.785887]  ? should_fail+0x22d/0xd01
[  302.789772]  ? rcu_irq_exit+0x1a2/0x390
[  302.793774]  ? mark_held_locks+0x130/0x130
[  302.798012]  ? mark_held_locks+0x130/0x130
[  302.802269]  ? mark_held_locks+0xc7/0x130
[  302.806420]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  302.811437]  ? zap_class+0x640/0x640
[  302.815154]  ? print_usage_bug+0xc0/0xc0
[  302.819225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.824776]  ? check_preemption_disabled+0x48/0x280
[  302.829813]  ? __lock_is_held+0xb5/0x140
[  302.833890]  __alloc_pages_nodemask+0xa80/0xde0
[  302.838571]  ? zap_class+0x640/0x640
[  302.842305]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  302.847340]  ? find_held_lock+0x36/0x1c0
[  302.851421]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.856099]  ? lock_downgrade+0x900/0x900
[  302.860261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.865813]  cache_grow_begin+0xa5/0x8c0
[  302.869886]  ? do_raw_spin_unlock+0xa7/0x330
[  302.874312]  fallback_alloc+0x204/0x2e0
[  302.878302]  ____cache_alloc_node+0x1c7/0x1e0
[  302.882816]  kmem_cache_alloc_node+0xe3/0x730
[  302.887324]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.891578]  __alloc_skb+0x119/0x770
[  302.895307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.900609]  ? netdev_alloc_frag+0x1f0/0x1f0
[  302.905028]  ? lock_downgrade+0x900/0x900
[  302.909191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.914741]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.920208]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.925664]  ? addrconf_rs_timer+0x690/0x690
[  302.930094]  ndisc_alloc_skb+0x144/0x340
[  302.934163]  ndisc_send_rs+0x331/0x6e0
[  302.938061]  addrconf_rs_timer+0x314/0x690
[  302.942392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.946645]  call_timer_fn+0x272/0x920
[  302.950532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.954771]  ? process_timeout+0x40/0x40
[  302.958841]  ? __run_timers+0x7da/0xc70
[  302.962824]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.967322]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.971825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.976065]  ? lockdep_hardirqs_on+0x296/0x5b0
[  302.980656]  ? trace_hardirqs_on+0xbd/0x310
[  302.984980]  ? kasan_check_read+0x11/0x20
[  302.989132]  ? __run_timers+0x7da/0xc70
[  302.993116]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.998244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.002493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.006729]  __run_timers+0x7e5/0xc70
[  303.010550]  ? timer_fixup_init+0x70/0x70
[  303.014704]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.019730]  ? zap_class+0x640/0x640
[  303.023455]  ? enqueue_hrtimer+0x1a5/0x560
[  303.027701]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.032907]  ? find_held_lock+0x36/0x1c0
[  303.036985]  ? zap_class+0x640/0x640
[  303.040713]  ? pvclock_read_flags+0x160/0x160
[  303.045215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.050762]  ? check_preemption_disabled+0x48/0x280
[  303.055798]  ? __lock_is_held+0xb5/0x140
[  303.059867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.065412]  ? check_preemption_disabled+0x48/0x280
[  303.070460]  run_timer_softirq+0x52/0xb0
[  303.074525]  ? rcu_read_lock_sched_held+0x14f/0x180
[  303.079544]  __do_softirq+0x308/0xb7e
[  303.083362]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  303.087859]  ? lock_downgrade+0x900/0x900
[  303.092019]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  303.097137]  ? pvclock_read_flags+0x160/0x160
[  303.101642]  ? lapic_next_event+0x5a/0x90
[  303.105799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.111348]  ? kvm_clock_read+0x18/0x30
[  303.115332]  ? kvm_sched_clock_read+0x9/0x20
[  303.119753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.125297]  ? check_preemption_disabled+0x48/0x280
[  303.130328]  irq_exit+0x17f/0x1c0
[  303.133791]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.138637]  ? smp_reschedule_interrupt+0x109/0x650
[  303.143663]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.149558]  ? interrupt_entry+0xb5/0xc0
[  303.153639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.158660]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.163688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.168534]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.173553]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.178576]  ? task_prio+0x50/0x50
[  303.182129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.187675]  ? check_preemption_disabled+0x48/0x280
[  303.192701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.197562]  apic_timer_interrupt+0xf/0x20
[  303.201816]  </IRQ>
[  303.204059] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  303.209006] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  303.227920] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  303.235636] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  303.242912] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  303.250190] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  303.257462] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  303.264739] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  303.272057]  skb_clone+0x1bb/0x500
[  303.275612]  ? finish_task_switch+0x1b4/0x910
[  303.280113]  ? skb_split+0x11e0/0x11e0
[  303.284003]  ? preempt_notifier_register+0x200/0x200
[  303.289110]  ? __switch_to_asm+0x34/0x70
[  303.293171]  ? __switch_to_asm+0x34/0x70
[  303.297237]  ? __switch_to_asm+0x40/0x70
[  303.301298]  ? __switch_to_asm+0x34/0x70
[  303.305362]  ? __switch_to_asm+0x40/0x70
[  303.309429]  ? __switch_to_asm+0x34/0x70
[  303.313489]  ? __switch_to_asm+0x40/0x70
[  303.317550]  ? __switch_to_asm+0x34/0x70
[  303.321621]  ? __switch_to_asm+0x34/0x70
[  303.325683]  ? __switch_to_asm+0x40/0x70
[  303.329745]  ? __switch_to_asm+0x34/0x70
[  303.333816]  bpf_clone_redirect+0xb9/0x490
[  303.338051]  ? __schedule+0x8d7/0x21d0
[  303.341953]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  303.346977]  ? __sched_text_start+0x8/0x8
[  303.351128]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.355903]  ? find_held_lock+0x36/0x1c0
[  303.359974]  ? lock_acquire+0x1ed/0x520
[  303.363949]  ? bpf_test_run+0x3cb/0x780
[  303.367930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.373475]  ? check_preemption_disabled+0x48/0x280
[  303.378501]  ? kasan_check_read+0x11/0x20
[  303.382651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.387931]  ? rcu_softirq_qs+0x20/0x20
[  303.391907]  ? preempt_schedule+0x4d/0x60
[  303.396065]  ? ___preempt_schedule+0x16/0x18
[  303.400486]  ? bpf_test_run+0x25d/0x780
[  303.404472]  ? netlink_diag_dump+0x2a0/0x2a0
[  303.408885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.414433]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  303.419204]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  303.424053]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.429608]  ? fput+0x130/0x1a0
[  303.432895]  ? __bpf_prog_get+0x9b/0x290
[  303.436964]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  303.441812]  ? bpf_prog_test_run+0x130/0x1a0
[  303.446224]  ? __x64_sys_bpf+0x3d8/0x520
[  303.450292]  ? bpf_prog_get+0x20/0x20
[  303.454115]  ? do_syscall_64+0x1b9/0x820
[  303.458182]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  303.463566]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.468510]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.473531]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.478552]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  303.485227]  ? __switch_to_asm+0x40/0x70
[  303.489288]  ? __switch_to_asm+0x34/0x70
[  303.493363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.498215]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  303.503608] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  303.503700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.510186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.510191] Call Trace:
[  303.510198]  <IRQ>
[  303.510214]  dump_stack+0x244/0x39d
[  303.510231]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.510258]  warn_alloc.cold.116+0xb7/0x1bd
[  303.516817] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.526088]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.528650] syz-executor1 cpuset=syz1 mems_allowed=0
[  303.530795]  ? lock_downgrade+0x900/0x900
[  303.568424]  ? trace_hardirqs_off+0xb8/0x310
[  303.572845]  ? trace_hardirqs_off+0xb8/0x310
[  303.577276]  __alloc_pages_slowpath+0x26e8/0x2e10
[  303.582156]  ? warn_alloc+0x120/0x120
[  303.585967]  ? print_usage_bug+0xc0/0xc0
[  303.590034]  ? warn_alloc+0x120/0x120
[  303.593842]  ? warn_alloc+0x120/0x120
[  303.597650]  ? print_usage_bug+0xc0/0xc0
[  303.601714]  ? kvm_clock_read+0x18/0x30
[  303.605693]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  303.610714]  ? print_usage_bug+0xc0/0xc0
[  303.614779]  ? __lock_acquire+0x62f/0x4c20
[  303.619027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.624564]  ? should_fail+0x22d/0xd01
[  303.628462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.633743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.639099]  ? __lock_acquire+0x62f/0x4c20
[  303.643341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.648446]  ? __lock_acquire+0x62f/0x4c20
[  303.652680]  ? should_fail+0x22d/0xd01
[  303.656567]  ? rcu_irq_exit+0x1a2/0x390
[  303.660565]  ? mark_held_locks+0x130/0x130
[  303.664814]  ? mark_held_locks+0x130/0x130
[  303.669057]  ? mark_held_locks+0xc7/0x130
[  303.673210]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  303.678231]  ? zap_class+0x640/0x640
[  303.681950]  ? print_usage_bug+0xc0/0xc0
[  303.686017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.691562]  ? check_preemption_disabled+0x48/0x280
[  303.696609]  ? __lock_is_held+0xb5/0x140
[  303.700684]  __alloc_pages_nodemask+0xa80/0xde0
[  303.705359]  ? zap_class+0x640/0x640
[  303.709085]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  303.714119]  ? find_held_lock+0x36/0x1c0
[  303.718191]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.722871]  ? lock_downgrade+0x900/0x900
[  303.727033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.732579]  cache_grow_begin+0xa5/0x8c0
[  303.736654]  ? do_raw_spin_unlock+0xa7/0x330
[  303.741077]  fallback_alloc+0x204/0x2e0
[  303.745059]  ____cache_alloc_node+0x1c7/0x1e0
[  303.749562]  kmem_cache_alloc_node+0xe3/0x730
[  303.754067]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.758310]  __alloc_skb+0x119/0x770
[  303.762024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.767310]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.772008]  ? lock_downgrade+0x900/0x900
[  303.776171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.781710]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.787169]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.792626]  ? addrconf_rs_timer+0x690/0x690
[  303.797052]  ndisc_alloc_skb+0x144/0x340
[  303.801119]  ndisc_send_rs+0x331/0x6e0
[  303.805015]  addrconf_rs_timer+0x314/0x690
[  303.809256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.813501]  call_timer_fn+0x272/0x920
[  303.817391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.821634]  ? process_timeout+0x40/0x40
[  303.825706]  ? mark_held_locks+0xc7/0x130
[  303.829865]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.834364]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.838864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.843098]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.847687]  ? trace_hardirqs_on+0xbd/0x310
[  303.852009]  ? kasan_check_read+0x11/0x20
[  303.856157]  ? __run_timers+0x7da/0xc70
[  303.860134]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.865239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.869479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.873713]  __run_timers+0x7e5/0xc70
[  303.877526]  ? timer_fixup_init+0x70/0x70
[  303.881680]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.886702]  ? zap_class+0x640/0x640
[  303.890424]  ? print_usage_bug+0xc0/0xc0
[  303.894492]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.899689]  ? find_held_lock+0x36/0x1c0
[  303.903756]  ? zap_class+0x640/0x640
[  303.907480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.913020]  ? check_preemption_disabled+0x48/0x280
[  303.918046]  ? __lock_is_held+0xb5/0x140
[  303.922115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.927660]  ? check_preemption_disabled+0x48/0x280
[  303.932688]  run_timer_softirq+0x52/0xb0
[  303.936755]  ? rcu_read_lock_sched_held+0x14f/0x180
[  303.941771]  __do_softirq+0x308/0xb7e
[  303.945581]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  303.950090]  ? lock_downgrade+0x900/0x900
[  303.954241]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  303.959356]  ? pvclock_read_flags+0x160/0x160
[  303.963865]  ? lapic_next_event+0x5a/0x90
[  303.968019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.973567]  ? kvm_clock_read+0x18/0x30
[  303.977549]  ? kvm_sched_clock_read+0x9/0x20
[  303.981960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.987498]  ? check_preemption_disabled+0x48/0x280
[  303.992524]  irq_exit+0x17f/0x1c0
[  303.995982]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.000831]  ? smp_reschedule_interrupt+0x109/0x650
[  304.005863]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.011755]  ? interrupt_entry+0xb5/0xc0
[  304.015819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.020836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.025866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.030715]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.035730]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.040748]  ? task_prio+0x50/0x50
[  304.044289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.049829]  ? check_preemption_disabled+0x48/0x280
[  304.054865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.059724]  apic_timer_interrupt+0xf/0x20
[  304.063955]  </IRQ>
[  304.066196] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  304.072350] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  304.091251] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  304.098959] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  304.106227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  304.113495] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  304.120762] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  304.128035] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  304.135324]  ? unlock_page+0x25d/0x4c0
[  304.139225]  unlock_page+0x25d/0x4c0
[  304.142944]  ? wake_up_page_bit+0x6f0/0x6f0
[  304.147269]  ? shrink_page_list+0x7e68/0xccd0
[  304.151766]  ? shrink_page_list+0x7e68/0xccd0
[  304.156270]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.160868]  ? shrink_inactive_list+0x77b/0x1c60
[  304.165635]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.170742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.176287]  ? check_preemption_disabled+0x48/0x280
[  304.181301]  ? shrink_page_list+0x145c/0xccd0
[  304.185803]  shrink_page_list+0x3714/0xccd0
[  304.190151]  ? page_evictable+0x540/0x540
[  304.194472]  ? rb_erase_cached+0xc78/0x3720
[  304.198800]  ? rb_erase_cached+0xc78/0x3720
[  304.203127]  ? rb_next+0x140/0x140
[  304.206673]  ? rb_next+0x140/0x140
[  304.210224]  ? rb_next+0x140/0x140
[  304.213844]  ? zap_class+0x640/0x640
[  304.217569]  ? zap_class+0x640/0x640
[  304.221289]  ? zap_class+0x640/0x640
[  304.225007]  ? zap_class+0x640/0x640
[  304.228722]  ? __update_load_avg_se+0x5eb/0xae0
[  304.233394]  ? __update_load_avg_blocked_se+0x690/0x690
[  304.238762]  ? __update_load_avg_se+0xae0/0xae0
[  304.243428]  ? zap_class+0x640/0x640
[  304.247152]  ? update_load_avg+0x387/0x2470
[  304.251482]  ? attach_entity_load_avg+0x860/0x860
[  304.256336]  ? update_load_avg+0x387/0x2470
[  304.260672]  ? attach_entity_load_avg+0x860/0x860
[  304.265520]  ? attach_entity_load_avg+0x860/0x860
[  304.270368]  ? attach_entity_load_avg+0x860/0x860
[  304.275216]  ? rb_erase+0x3710/0x3710
[  304.279021]  ? rb_erase+0x3710/0x3710
[  304.282823]  ? rb_erase+0x3710/0x3710
[  304.286635]  ? rb_erase+0x3710/0x3710
[  304.290443]  ? rb_erase+0x3710/0x3710
[  304.294252]  ? __lock_acquire+0x62f/0x4c20
[  304.298498]  ? zap_class+0x640/0x640
[  304.302217]  ? print_usage_bug+0xc0/0xc0
[  304.306278]  ? zap_class+0x640/0x640
[  304.309996]  ? zap_class+0x640/0x640
[  304.313716]  ? print_usage_bug+0xc0/0xc0
[  304.317782]  ? print_usage_bug+0xc0/0xc0
[  304.321852]  ? zap_class+0x640/0x640
[  304.325572]  ? __lock_is_held+0xb5/0x140
[  304.329654]  ? print_usage_bug+0xc0/0xc0
[  304.333723]  ? __lock_acquire+0x62f/0x4c20
[  304.337968]  ? mark_held_locks+0x130/0x130
[  304.342205]  ? print_usage_bug+0xc0/0xc0
[  304.346280]  ? rb_erase_cached+0xc78/0x3720
[  304.350622]  ? rb_next+0x140/0x140
[  304.354199]  ? rb_next+0x140/0x140
[  304.357744]  ? __lock_acquire+0x62f/0x4c20
[  304.361981]  ? __lock_acquire+0x62f/0x4c20
[  304.366219]  ? rcu_note_context_switch+0x12ad/0x2150
[  304.371326]  ? print_usage_bug+0xc0/0xc0
[  304.375405]  ? mark_held_locks+0x130/0x130
[  304.379645]  ? zap_class+0x640/0x640
[  304.383361]  ? print_usage_bug+0xc0/0xc0
[  304.387423]  ? put_dec+0x3b/0xf0
[  304.390812]  ? rb_next+0x140/0x140
[  304.394356]  ? __lock_acquire+0x62f/0x4c20
[  304.398605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.404147]  ? check_preemption_disabled+0x48/0x280
[  304.409180]  ? print_usage_bug+0xc0/0xc0
[  304.413249]  ? rb_erase_cached+0xc78/0x3720
[  304.417582]  ? rb_next+0x140/0x140
[  304.421142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.426685]  ? __isolate_lru_page+0xd05/0x1540
[  304.431281]  ? print_usage_bug+0xc0/0xc0
[  304.435348]  ? mark_held_locks+0x130/0x130
[  304.439583]  ? zap_class+0x640/0x640
[  304.443310]  ? update_load_avg+0x13b8/0x2470
[  304.447730]  ? print_usage_bug+0xc0/0xc0
[  304.451798]  ? zap_class+0x640/0x640
[  304.455517]  ? __lock_acquire+0x62f/0x4c20
[  304.459755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.465296]  ? check_preemption_disabled+0x48/0x280
[  304.470320]  ? __update_load_avg_blocked_se+0x690/0x690
[  304.475688]  ? __update_load_avg_se+0xae0/0xae0
[  304.480357]  ? zap_class+0x640/0x640
[  304.484082]  ? update_load_avg+0x387/0x2470
[  304.488417]  ? attach_entity_load_avg+0x860/0x860
[  304.493266]  ? update_load_avg+0x387/0x2470
[  304.497600]  ? attach_entity_load_avg+0x860/0x860
[  304.502445]  ? attach_entity_load_avg+0x860/0x860
[  304.507300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.512839]  ? __isolate_lru_page+0xd05/0x1540
[  304.517430]  ? putback_lru_page+0x280/0x280
[  304.521758]  ? rb_erase+0x3710/0x3710
[  304.525569]  ? mark_held_locks+0x130/0x130
[  304.529816]  ? cpuacct_charge+0x265/0x440
[  304.533976]  ? find_held_lock+0x36/0x1c0
[  304.538053]  ? zap_class+0x640/0x640
[  304.541768]  ? print_usage_bug+0xc0/0xc0
[  304.545835]  ? zap_class+0x640/0x640
[  304.549557]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.554502]  ? kasan_check_read+0x11/0x20
[  304.558650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.563936]  ? zap_class+0x640/0x640
[  304.567649]  ? __lock_is_held+0xb5/0x140
[  304.571723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.577264]  ? check_preemption_disabled+0x48/0x280
[  304.582289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.587827]  ? check_preemption_disabled+0x48/0x280
[  304.592847]  ? __lock_is_held+0xb5/0x140
[  304.596920]  ? __this_cpu_preempt_check+0x1c/0x20
[  304.601766]  ? __mod_zone_page_state+0x8a/0xf0
[  304.606358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.611902]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  304.617118]  ? __isolate_lru_page+0x1540/0x1540
[  304.621806]  ? zap_class+0x640/0x640
[  304.625524]  ? print_usage_bug+0xc0/0xc0
[  304.629590]  ? __account_cfs_rq_runtime+0x790/0x790
[  304.634625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.640170]  ? find_held_lock+0x36/0x1c0
[  304.644234]  ? zap_class+0x640/0x640
[  304.647953]  ? print_usage_bug+0xc0/0xc0
[  304.652017]  ? mark_held_locks+0xc7/0x130
[  304.656170]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.660673]  ? zap_class+0x640/0x640
[  304.664392]  ? print_usage_bug+0xc0/0xc0
[  304.668462]  ? mark_held_locks+0xc7/0x130
[  304.672626]  ? find_held_lock+0x36/0x1c0
[  304.676697]  ? mark_held_locks+0xc7/0x130
[  304.680861]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.685356]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.689863]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.694450]  ? trace_hardirqs_on+0xbd/0x310
[  304.698776]  ? kasan_check_read+0x11/0x20
[  304.702925]  ? shrink_inactive_list+0x741/0x1c60
[  304.707689]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.712797]  ? trace_hardirqs_on+0x310/0x310
[  304.717214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.722756]  ? check_preemption_disabled+0x48/0x280
[  304.727784]  shrink_inactive_list+0x77b/0x1c60
[  304.732381]  ? putback_inactive_pages+0x27e0/0x27e0
[  304.737407]  ? kasan_check_read+0x11/0x20
[  304.741562]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  304.746847]  ? __rcu_read_unlock+0x2d6/0x2e0
[  304.751352]  ? blk_lld_busy+0x70/0x70
[  304.755154]  ? kasan_check_read+0x11/0x20
[  304.759319]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  304.764260]  shrink_node_memcg+0x78b/0x18f0
[  304.768609]  ? shrink_active_list+0x1f00/0x1f00
[  304.773289]  ? lock_downgrade+0x900/0x900
[  304.777441]  ? check_flush_dependency+0x410/0x410
[  304.782289]  ? kasan_check_read+0x11/0x20
[  304.786440]  ? do_raw_spin_unlock+0xa7/0x330
[  304.790862]  ? ___preempt_schedule+0x16/0x18
[  304.795280]  ? _raw_spin_unlock+0x3f/0x50
[  304.799436]  shrink_node+0x3bc/0x16b0
[  304.803241]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  304.808545]  ? shrink_node_memcg+0x18f0/0x18f0
[  304.813128]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.817714]  ? trace_hardirqs_on+0xbd/0x310
[  304.822040]  ? vmpressure+0x271/0x340
[  304.825846]  ? do_raw_spin_trylock+0x270/0x270
[  304.830442]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  304.835987]  ? __cpuset_node_allowed+0x19b/0x660
[  304.840748]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  304.846461]  ? vmpressure+0x1a2/0x340
[  304.850279]  do_try_to_free_pages+0x3e7/0x1290
[  304.854871]  ? zap_class+0x640/0x640
[  304.858612]  ? shrink_node+0x16b0/0x16b0
[  304.862681]  ? __lock_is_held+0xb5/0x140
[  304.866760]  try_to_free_pages+0x4d0/0xb90
[  304.871000]  ? do_try_to_free_pages+0x1290/0x1290
[  304.875864]  ? lock_acquire+0x1ed/0x520
[  304.879842]  ? set_page_refcounted+0x280/0x280
[  304.884440]  ? lock_release+0xa00/0xa00
[  304.888418]  ? _raw_spin_unlock_irq+0x60/0x80
[  304.892918]  ? psi_memstall_enter+0x240/0x2b0
[  304.897419]  ? psi_memstall_tick+0x230/0x230
[  304.901845]  __alloc_pages_slowpath+0xa14/0x2e10
[  304.906660]  ? warn_alloc+0x120/0x120
[  304.910463]  ? mark_held_locks+0x130/0x130
[  304.914703]  ? find_get_entry+0xaae/0x1120
[  304.918954]  ? filemap_map_pages+0x1a20/0x1a20
[  304.923544]  ? zap_class+0x640/0x640
[  304.927267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.932806]  ? check_preemption_disabled+0x48/0x280
[  304.937827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.943371]  ? should_fail+0x22d/0xd01
[  304.947266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.952377]  ? zap_class+0x640/0x640
[  304.956122]  ? __lock_is_held+0xb5/0x140
[  304.960192]  ? mark_held_locks+0x130/0x130
[  304.964431]  ? lock_release+0xa00/0xa00
[  304.968406]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.973868]  ? xa_load+0x2ba/0x460
[  304.977412]  ? lock_downgrade+0x900/0x900
[  304.981565]  ? __might_sleep+0x95/0x190
[  304.985554]  __alloc_pages_nodemask+0xa80/0xde0
[  304.990236]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  304.995258]  ? __page_cache_alloc+0x191/0x5c0
[  304.999757]  ? xa_load+0x2e1/0x460
[  305.003304]  ? xa_clear_mark+0x40/0x40
[  305.007200]  ? zap_class+0x640/0x640
[  305.010926]  ? zap_class+0x640/0x640
[  305.014641]  ? zap_class+0x640/0x640
[  305.018361]  ? __do_page_cache_readahead+0x663/0x810
[  305.023471]  ? find_held_lock+0x36/0x1c0
[  305.027543]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  305.033091]  alloc_pages_current+0x173/0x350
[  305.037513]  __page_cache_alloc+0x38c/0x5c0
[  305.041839]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.046773]  ? kasan_check_read+0x11/0x20
[  305.050929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.056213]  ? generic_perform_write+0x6a0/0x6a0
[  305.060971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.066514]  ? check_preemption_disabled+0x48/0x280
[  305.071542]  filemap_fault+0x1595/0x25f0
[  305.075632]  ? __lock_page_or_retry+0xa00/0xa00
[  305.080307]  ? mark_held_locks+0x130/0x130
[  305.084555]  ? filemap_map_pages+0xd6b/0x1a20
[  305.089057]  ? lock_downgrade+0x900/0x900
[  305.093208]  ? check_preemption_disabled+0x48/0x280
[  305.098236]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.103170]  ? kasan_check_read+0x11/0x20
[  305.107320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.112604]  ? rcu_softirq_qs+0x20/0x20
[  305.116604]  ? filemap_map_pages+0xd92/0x1a20
[  305.121117]  ? find_get_entries_tag+0x1400/0x1400
[  305.125970]  ? debug_object_destroy+0x2b0/0x2b0
[  305.130646]  ? lock_pi_update_atomic+0x150/0x150
[  305.135403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.140957]  ? lock_acquire+0x1ed/0x520
[  305.144935]  ? ext4_filemap_fault+0x7a/0xad
[  305.149265]  ? lock_release+0xa00/0xa00
[  305.153240]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.158694]  ? print_usage_bug+0xc0/0xc0
[  305.162757]  ? print_usage_bug+0xc0/0xc0
[  305.166830]  ? down_read+0x8d/0x120
[  305.170464]  ? ext4_filemap_fault+0x7a/0xad
[  305.174786]  ? __down_interruptible+0x700/0x700
[  305.179471]  ext4_filemap_fault+0x82/0xad
[  305.183633]  __do_fault+0x100/0x6b0
[  305.187260]  ? find_held_lock+0x36/0x1c0
[  305.191328]  ? pmd_devmap_trans_unstable+0x220/0x220
[  305.196439]  ? mark_held_locks+0x130/0x130
[  305.200678]  ? mark_held_locks+0x130/0x130
[  305.204913]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.209410]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.213912]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  305.218502]  ? kasan_check_read+0x11/0x20
[  305.222655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.228206]  __handle_mm_fault+0x3ea6/0x5be0
[  305.232639]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  305.237485]  ? finish_task_switch+0x1f4/0x910
[  305.241987]  ? finish_task_switch+0x1b4/0x910
[  305.246488]  ? __switch_to_asm+0x34/0x70
[  305.250558]  ? preempt_notifier_register+0x200/0x200
[  305.255669]  ? __switch_to_asm+0x34/0x70
[  305.259734]  ? __switch_to_asm+0x34/0x70
[  305.263813]  ? zap_class+0x640/0x640
[  305.267530]  ? zap_class+0x640/0x640
[  305.271425]  ? __x64_sys_futex+0x53e/0x6a0
[  305.275670]  ? find_held_lock+0x36/0x1c0
[  305.279780]  ? handle_mm_fault+0x42a/0xc70
[  305.284019]  ? lock_downgrade+0x900/0x900
[  305.288171]  ? check_preemption_disabled+0x48/0x280
[  305.293193]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.298126]  ? kasan_check_read+0x11/0x20
[  305.302275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.307556]  ? rcu_softirq_qs+0x20/0x20
[  305.311537]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.316646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.322187]  ? check_preemption_disabled+0x48/0x280
[  305.327217]  handle_mm_fault+0x54f/0xc70
[  305.331285]  ? __handle_mm_fault+0x5be0/0x5be0
[  305.335880]  ? find_vma+0x34/0x190
[  305.339426]  __do_page_fault+0x5e8/0xe60
[  305.343489]  ? trace_hardirqs_off+0xb8/0x310
[  305.347912]  do_page_fault+0xf2/0x7e0
[  305.351715]  ? vmalloc_sync_all+0x30/0x30
[  305.355871]  ? error_entry+0x70/0xd0
[  305.359592]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.364626]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.369560]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.374500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.379345]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.384364]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.389823]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.394849]  ? page_fault+0x8/0x30
[  305.398401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.403255]  ? page_fault+0x8/0x30
[  305.406801]  page_fault+0x1e/0x30
[  305.410259] RIP: 0033:0x40f9c0
[  305.413474] Code: Bad RIP value.
[  305.416837] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  305.422206] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  305.429476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  305.436745] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  305.444009] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  305.451279] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  305.458586] warn_alloc_show_mem: 1 callbacks suppressed
[  305.458606] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  305.458608] Mem-Info:
[  305.458639] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  305.458639]  active_file:14 inactive_file:15 isolated_file:0
[  305.458639]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.458639]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  305.458639]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  305.458639]  free:13731 free_pcp:182 free_cma:0
[  305.463982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.470923] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.473321] Call Trace:
[  305.506364] 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
[  305.515711]  <IRQ>
[  305.543544] lowmem_reserve[]: 0 2818 6321 6321
[  305.546129]  dump_stack+0x244/0x39d
[  305.572209] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  305.574353]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.578909] lowmem_reserve[]: 0 0 3503 3503
[  305.582544]  warn_alloc.cold.116+0xb7/0x1bd
[  305.610274] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  305.615462]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.619758] lowmem_reserve[]: 0 0 0 0
[  305.624076]  ? lock_downgrade+0x900/0x900
[  305.653235] 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
[  305.658087]  ? trace_hardirqs_off+0xb8/0x310
[  305.661861] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  305.666010]  ? trace_hardirqs_off+0xb8/0x310
[  305.679507] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  305.683918]  __alloc_pages_slowpath+0x26e8/0x2e10
[  305.699071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.703497]  ? warn_alloc+0x120/0x120
[  305.718802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.723639]  ? print_usage_bug+0xc0/0xc0
[  305.732447] 2704 total pagecache pages
[  305.736244]  ? warn_alloc+0x120/0x120
[  305.744800] 0 pages in swap cache
[  305.748845]  ? warn_alloc+0x120/0x120
[  305.752715] Swap cache stats: add 0, delete 0, find 0/0
[  305.756506]  ? print_usage_bug+0xc0/0xc0
[  305.759939] Free swap  = 0kB
[  305.763732]  ? kvm_clock_read+0x18/0x30
[  305.769219] Total swap = 0kB
[  305.769228] 1965979 pages RAM
[  305.773288]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.776295] 0 pages HighMem/MovableOnly
[  305.780262]  ? print_usage_bug+0xc0/0xc0
[  305.783256] 342858 pages reserved
[  305.786364]  ? __lock_acquire+0x62f/0x4c20
[  305.791355] 0 pages cma reserved
[  305.795327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.799423] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.802812]  ? should_fail+0x22d/0xd01
[  305.807142] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.810396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.815913] syz-fuzzer cpuset=/ mems_allowed=0
[  305.822402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.852977]  ? __lock_acquire+0x62f/0x4c20
[  305.857220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.862325]  ? __lock_acquire+0x62f/0x4c20
[  305.866565]  ? should_fail+0x22d/0xd01
[  305.870458]  ? rcu_irq_exit+0x1a2/0x390
[  305.874442]  ? mark_held_locks+0x130/0x130
[  305.878683]  ? mark_held_locks+0x130/0x130
[  305.882930]  ? mark_held_locks+0xc7/0x130
[  305.887087]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  305.892104]  ? zap_class+0x640/0x640
[  305.895823]  ? print_usage_bug+0xc0/0xc0
[  305.899892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.905437]  ? check_preemption_disabled+0x48/0x280
[  305.910469]  ? __lock_is_held+0xb5/0x140
[  305.914540]  __alloc_pages_nodemask+0xa80/0xde0
[  305.919214]  ? zap_class+0x640/0x640
[  305.922936]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  305.927966]  ? find_held_lock+0x36/0x1c0
[  305.932044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.936716]  ? lock_downgrade+0x900/0x900
[  305.940874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.946421]  cache_grow_begin+0xa5/0x8c0
[  305.950498]  ? do_raw_spin_unlock+0xa7/0x330
[  305.954929]  fallback_alloc+0x204/0x2e0
[  305.958917]  ____cache_alloc_node+0x1c7/0x1e0
[  305.963421]  kmem_cache_alloc_node+0xe3/0x730
[  305.967915]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.972162]  __alloc_skb+0x119/0x770
[  305.975877]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.981164]  ? netdev_alloc_frag+0x1f0/0x1f0
[  305.985614]  ? lock_downgrade+0x900/0x900
[  305.989779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.995325]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.000788]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.006239]  ? addrconf_rs_timer+0x690/0x690
[  306.010661]  ndisc_alloc_skb+0x144/0x340
[  306.014726]  ndisc_send_rs+0x331/0x6e0
[  306.018628]  addrconf_rs_timer+0x314/0x690
[  306.022872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.027119]  call_timer_fn+0x272/0x920
[  306.031006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.035241]  ? process_timeout+0x40/0x40
[  306.039313]  ? __run_timers+0x7da/0xc70
[  306.043295]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.047790]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.052282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.056520]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.061105]  ? trace_hardirqs_on+0xbd/0x310
[  306.065431]  ? kasan_check_read+0x11/0x20
[  306.069577]  ? __run_timers+0x7da/0xc70
[  306.073567]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.078684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.082927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.087160]  __run_timers+0x7e5/0xc70
[  306.090971]  ? timer_fixup_init+0x70/0x70
[  306.095129]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.100150]  ? zap_class+0x640/0x640
[  306.103870]  ? enqueue_hrtimer+0x1a5/0x560
[  306.108116]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.113314]  ? find_held_lock+0x36/0x1c0
[  306.117390]  ? zap_class+0x640/0x640
[  306.121109]  ? pvclock_read_flags+0x160/0x160
[  306.125620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.131165]  ? check_preemption_disabled+0x48/0x280
[  306.136195]  ? __lock_is_held+0xb5/0x140
[  306.140267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.145807]  ? check_preemption_disabled+0x48/0x280
[  306.150832]  run_timer_softirq+0x52/0xb0
[  306.154896]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.159918]  __do_softirq+0x308/0xb7e
[  306.163725]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.168220]  ? lock_downgrade+0x900/0x900
[  306.172378]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.177495]  ? pvclock_read_flags+0x160/0x160
[  306.181997]  ? lapic_next_event+0x5a/0x90
[  306.186153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.191696]  ? kvm_clock_read+0x18/0x30
[  306.195672]  ? kvm_sched_clock_read+0x9/0x20
[  306.200089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.205633]  ? check_preemption_disabled+0x48/0x280
[  306.210660]  irq_exit+0x17f/0x1c0
[  306.214122]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.218969]  ? smp_reschedule_interrupt+0x109/0x650
[  306.223992]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.229877]  ? interrupt_entry+0xb5/0xc0
[  306.233942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.238958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.243978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.248824]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.253842]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.258858]  ? task_prio+0x50/0x50
[  306.262406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.267944]  ? check_preemption_disabled+0x48/0x280
[  306.272970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.277826]  apic_timer_interrupt+0xf/0x20
[  306.282054]  </IRQ>
[  306.284295] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.289230] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  306.308130] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  306.315836] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  306.323106] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  306.330380] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  306.337648] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  306.344917] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  306.352221]  skb_clone+0x1bb/0x500
[  306.355766]  ? finish_task_switch+0x1b4/0x910
[  306.360262]  ? skb_split+0x11e0/0x11e0
[  306.364155]  ? preempt_notifier_register+0x200/0x200
[  306.369258]  ? __switch_to_asm+0x34/0x70
[  306.373322]  ? __switch_to_asm+0x34/0x70
[  306.377390]  ? __switch_to_asm+0x40/0x70
[  306.381455]  ? __switch_to_asm+0x34/0x70
[  306.385514]  ? __switch_to_asm+0x40/0x70
[  306.389579]  ? __switch_to_asm+0x34/0x70
[  306.393652]  ? __switch_to_asm+0x40/0x70
[  306.397713]  ? __switch_to_asm+0x34/0x70
[  306.401780]  ? __switch_to_asm+0x34/0x70
[  306.405841]  ? __switch_to_asm+0x40/0x70
[  306.409902]  ? __switch_to_asm+0x34/0x70
[  306.413971]  bpf_clone_redirect+0xb9/0x490
[  306.418209]  ? __schedule+0x8d7/0x21d0
[  306.422104]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  306.427124]  ? __sched_text_start+0x8/0x8
[  306.431274]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.436082]  ? find_held_lock+0x36/0x1c0
[  306.440156]  ? lock_acquire+0x1ed/0x520
[  306.444129]  ? bpf_test_run+0x3cb/0x780
[  306.448108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.453647]  ? check_preemption_disabled+0x48/0x280
[  306.458676]  ? kasan_check_read+0x11/0x20
[  306.462825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.468101]  ? rcu_softirq_qs+0x20/0x20
[  306.472079]  ? preempt_schedule+0x4d/0x60
[  306.476234]  ? ___preempt_schedule+0x16/0x18
[  306.480659]  ? bpf_test_run+0x25d/0x780
[  306.484680]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.489095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.494641]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  306.499409]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.504253]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.509796]  ? fput+0x130/0x1a0
[  306.513078]  ? __bpf_prog_get+0x9b/0x290
[  306.517145]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.521989]  ? bpf_prog_test_run+0x130/0x1a0
[  306.526405]  ? __x64_sys_bpf+0x3d8/0x520
[  306.530471]  ? bpf_prog_get+0x20/0x20
[  306.534302]  ? do_syscall_64+0x1b9/0x820
[  306.538374]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.543748]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.548684]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.553703]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  306.558727]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  306.565398]  ? __switch_to_asm+0x40/0x70
[  306.569460]  ? __switch_to_asm+0x34/0x70
[  306.573527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.578382]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.583771] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  306.583843] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.590349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.590354] Call Trace:
[  306.590361]  <IRQ>
[  306.590377]  dump_stack+0x244/0x39d
[  306.590395]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.590421]  warn_alloc.cold.116+0xb7/0x1bd
[  306.596971] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.606247]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.608808] syz-executor1 cpuset=syz1 mems_allowed=0
[  306.610956]  ? lock_downgrade+0x900/0x900
[  306.648778]  ? trace_hardirqs_off+0xb8/0x310
[  306.653199]  ? trace_hardirqs_off+0xb8/0x310
[  306.657633]  __alloc_pages_slowpath+0x26e8/0x2e10
[  306.662512]  ? warn_alloc+0x120/0x120
[  306.666323]  ? print_usage_bug+0xc0/0xc0
[  306.670391]  ? warn_alloc+0x120/0x120
[  306.674201]  ? warn_alloc+0x120/0x120
[  306.678014]  ? print_usage_bug+0xc0/0xc0
[  306.682080]  ? kvm_clock_read+0x18/0x30
[  306.686059]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  306.691088]  ? print_usage_bug+0xc0/0xc0
[  306.695155]  ? __lock_acquire+0x62f/0x4c20
[  306.699401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.704943]  ? should_fail+0x22d/0xd01
[  306.708835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.714124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.719234]  ? __lock_acquire+0x62f/0x4c20
[  306.723477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.728585]  ? __lock_acquire+0x62f/0x4c20
[  306.732840]  ? should_fail+0x22d/0xd01
[  306.736760]  ? rcu_irq_exit+0x1a2/0x390
[  306.740752]  ? mark_held_locks+0x130/0x130
[  306.744993]  ? mark_held_locks+0x130/0x130
[  306.749322]  ? mark_held_locks+0xc7/0x130
[  306.753476]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  306.758498]  ? zap_class+0x640/0x640
[  306.762217]  ? print_usage_bug+0xc0/0xc0
[  306.766287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.771830]  ? check_preemption_disabled+0x48/0x280
[  306.776869]  ? __lock_is_held+0xb5/0x140
[  306.780943]  __alloc_pages_nodemask+0xa80/0xde0
[  306.785624]  ? zap_class+0x640/0x640
[  306.789368]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  306.794399]  ? find_held_lock+0x36/0x1c0
[  306.798471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.803147]  ? lock_downgrade+0x900/0x900
[  306.807304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.812851]  cache_grow_begin+0xa5/0x8c0
[  306.816921]  ? do_raw_spin_unlock+0xa7/0x330
[  306.821337]  fallback_alloc+0x204/0x2e0
[  306.825321]  ____cache_alloc_node+0x1c7/0x1e0
[  306.829824]  kmem_cache_alloc_node+0xe3/0x730
[  306.834327]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.838573]  __alloc_skb+0x119/0x770
[  306.842300]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.847588]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.852006]  ? lock_downgrade+0x900/0x900
[  306.856168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.861708]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.867162]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.872619]  ? addrconf_rs_timer+0x690/0x690
[  306.877040]  ndisc_alloc_skb+0x144/0x340
[  306.881111]  ndisc_send_rs+0x331/0x6e0
[  306.885006]  addrconf_rs_timer+0x314/0x690
[  306.889248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.893498]  call_timer_fn+0x272/0x920
[  306.897390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.901634]  ? process_timeout+0x40/0x40
[  306.905711]  ? mark_held_locks+0xc7/0x130
[  306.909873]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.914369]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.918869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.923108]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.927695]  ? trace_hardirqs_on+0xbd/0x310
[  306.932018]  ? kasan_check_read+0x11/0x20
[  306.936164]  ? __run_timers+0x7da/0xc70
[  306.940142]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.945250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.949504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.953757]  __run_timers+0x7e5/0xc70
[  306.957588]  ? timer_fixup_init+0x70/0x70
[  306.961751]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.966771]  ? zap_class+0x640/0x640
[  306.970492]  ? print_usage_bug+0xc0/0xc0
[  306.974558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.979757]  ? find_held_lock+0x36/0x1c0
[  306.983825]  ? zap_class+0x640/0x640
[  306.987608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.993154]  ? check_preemption_disabled+0x48/0x280
[  306.998183]  ? __lock_is_held+0xb5/0x140
[  307.002246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.007786]  ? check_preemption_disabled+0x48/0x280
[  307.012808]  run_timer_softirq+0x52/0xb0
[  307.016877]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.021900]  __do_softirq+0x308/0xb7e
[  307.025708]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.030224]  ? lock_downgrade+0x900/0x900
[  307.034382]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.039499]  ? pvclock_read_flags+0x160/0x160
[  307.043999]  ? lapic_next_event+0x5a/0x90
[  307.048155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.053700]  ? kvm_clock_read+0x18/0x30
[  307.057679]  ? kvm_sched_clock_read+0x9/0x20
[  307.062097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.067641]  ? check_preemption_disabled+0x48/0x280
[  307.072673]  irq_exit+0x17f/0x1c0
[  307.076138]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.080983]  ? smp_reschedule_interrupt+0x109/0x650
[  307.086002]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.091893]  ? interrupt_entry+0xb5/0xc0
[  307.095959]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.100978]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.105997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.110844]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.115880]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.120902]  ? task_prio+0x50/0x50
[  307.124450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.129997]  ? check_preemption_disabled+0x48/0x280
[  307.135026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.139886]  apic_timer_interrupt+0xf/0x20
[  307.144115]  </IRQ>
[  307.146358] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  307.152513] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  307.171443] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  307.179159] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  307.186426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  307.193698] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  307.200964] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  307.208237] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  307.215529]  ? unlock_page+0x25d/0x4c0
[  307.219431]  unlock_page+0x25d/0x4c0
[  307.223152]  ? wake_up_page_bit+0x6f0/0x6f0
[  307.227478]  ? shrink_page_list+0x7e68/0xccd0
[  307.232150]  ? shrink_page_list+0x7e68/0xccd0
[  307.236647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.241237]  ? shrink_inactive_list+0x77b/0x1c60
[  307.246000]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.251111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.256655]  ? check_preemption_disabled+0x48/0x280
[  307.261676]  ? shrink_page_list+0x145c/0xccd0
[  307.266180]  shrink_page_list+0x3714/0xccd0
[  307.270530]  ? page_evictable+0x540/0x540
[  307.274860]  ? rb_erase_cached+0xc78/0x3720
[  307.279188]  ? rb_erase_cached+0xc78/0x3720
[  307.283517]  ? rb_next+0x140/0x140
[  307.287064]  ? rb_next+0x140/0x140
[  307.290621]  ? rb_next+0x140/0x140
[  307.294245]  ? zap_class+0x640/0x640
[  307.297962]  ? zap_class+0x640/0x640
[  307.301676]  ? zap_class+0x640/0x640
[  307.305392]  ? zap_class+0x640/0x640
[  307.309107]  ? __update_load_avg_se+0x5eb/0xae0
[  307.313784]  ? __update_load_avg_blocked_se+0x690/0x690
[  307.319155]  ? __update_load_avg_se+0xae0/0xae0
[  307.323828]  ? zap_class+0x640/0x640
[  307.327570]  ? update_load_avg+0x387/0x2470
[  307.331912]  ? attach_entity_load_avg+0x860/0x860
[  307.336767]  ? update_load_avg+0x387/0x2470
[  307.341100]  ? attach_entity_load_avg+0x860/0x860
[  307.345950]  ? attach_entity_load_avg+0x860/0x860
[  307.350798]  ? attach_entity_load_avg+0x860/0x860
[  307.355643]  ? rb_erase+0x3710/0x3710
[  307.359449]  ? rb_erase+0x3710/0x3710
[  307.363252]  ? rb_erase+0x3710/0x3710
[  307.367062]  ? rb_erase+0x3710/0x3710
[  307.370874]  ? rb_erase+0x3710/0x3710
[  307.374685]  ? __lock_acquire+0x62f/0x4c20
[  307.378931]  ? zap_class+0x640/0x640
[  307.382649]  ? print_usage_bug+0xc0/0xc0
[  307.386712]  ? zap_class+0x640/0x640
[  307.390430]  ? zap_class+0x640/0x640
[  307.394150]  ? print_usage_bug+0xc0/0xc0
[  307.398215]  ? print_usage_bug+0xc0/0xc0
[  307.402285]  ? zap_class+0x640/0x640
[  307.406001]  ? __lock_is_held+0xb5/0x140
[  307.410074]  ? print_usage_bug+0xc0/0xc0
[  307.414144]  ? __lock_acquire+0x62f/0x4c20
[  307.418391]  ? mark_held_locks+0x130/0x130
[  307.422635]  ? print_usage_bug+0xc0/0xc0
[  307.426709]  ? rb_erase_cached+0xc78/0x3720
[  307.431042]  ? rb_next+0x140/0x140
[  307.434585]  ? rb_next+0x140/0x140
[  307.438143]  ? __lock_acquire+0x62f/0x4c20
[  307.442383]  ? __lock_acquire+0x62f/0x4c20
[  307.446628]  ? rcu_note_context_switch+0x12ad/0x2150
[  307.451739]  ? print_usage_bug+0xc0/0xc0
[  307.455819]  ? mark_held_locks+0x130/0x130
[  307.460060]  ? zap_class+0x640/0x640
[  307.463778]  ? print_usage_bug+0xc0/0xc0
[  307.467841]  ? put_dec+0x3b/0xf0
[  307.471232]  ? rb_next+0x140/0x140
[  307.474775]  ? __lock_acquire+0x62f/0x4c20
[  307.479014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.484556]  ? check_preemption_disabled+0x48/0x280
[  307.489590]  ? print_usage_bug+0xc0/0xc0
[  307.493672]  ? rb_erase_cached+0xc78/0x3720
[  307.498008]  ? rb_next+0x140/0x140
[  307.501560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.507110]  ? __isolate_lru_page+0xd05/0x1540
[  307.511706]  ? print_usage_bug+0xc0/0xc0
[  307.515771]  ? mark_held_locks+0x130/0x130
[  307.520011]  ? zap_class+0x640/0x640
[  307.523729]  ? update_load_avg+0x13b8/0x2470
[  307.528146]  ? print_usage_bug+0xc0/0xc0
[  307.532212]  ? zap_class+0x640/0x640
[  307.535932]  ? __lock_acquire+0x62f/0x4c20
[  307.540172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.545714]  ? check_preemption_disabled+0x48/0x280
[  307.550737]  ? __update_load_avg_blocked_se+0x690/0x690
[  307.556111]  ? __update_load_avg_se+0xae0/0xae0
[  307.560781]  ? zap_class+0x640/0x640
[  307.564505]  ? update_load_avg+0x387/0x2470
[  307.568838]  ? attach_entity_load_avg+0x860/0x860
[  307.573692]  ? update_load_avg+0x387/0x2470
[  307.578023]  ? attach_entity_load_avg+0x860/0x860
[  307.582875]  ? attach_entity_load_avg+0x860/0x860
[  307.587729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.593271]  ? __isolate_lru_page+0xd05/0x1540
[  307.597865]  ? putback_lru_page+0x280/0x280
[  307.602192]  ? rb_erase+0x3710/0x3710
[  307.606005]  ? mark_held_locks+0x130/0x130
[  307.610243]  ? cpuacct_charge+0x265/0x440
[  307.614400]  ? find_held_lock+0x36/0x1c0
[  307.618475]  ? zap_class+0x640/0x640
[  307.622192]  ? print_usage_bug+0xc0/0xc0
[  307.626256]  ? zap_class+0x640/0x640
[  307.629970]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.634901]  ? kasan_check_read+0x11/0x20
[  307.639265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.644550]  ? zap_class+0x640/0x640
[  307.648265]  ? __lock_is_held+0xb5/0x140
[  307.652334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.657879]  ? check_preemption_disabled+0x48/0x280
[  307.662907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.668446]  ? check_preemption_disabled+0x48/0x280
[  307.673462]  ? __lock_is_held+0xb5/0x140
[  307.677530]  ? __this_cpu_preempt_check+0x1c/0x20
[  307.682374]  ? __mod_zone_page_state+0x8a/0xf0
[  307.686967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.692509]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  307.697740]  ? __isolate_lru_page+0x1540/0x1540
[  307.702430]  ? zap_class+0x640/0x640
[  307.706150]  ? print_usage_bug+0xc0/0xc0
[  307.710215]  ? __account_cfs_rq_runtime+0x790/0x790
[  307.715237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.720785]  ? find_held_lock+0x36/0x1c0
[  307.724850]  ? zap_class+0x640/0x640
[  307.728576]  ? print_usage_bug+0xc0/0xc0
[  307.732651]  ? mark_held_locks+0xc7/0x130
[  307.736806]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.741311]  ? zap_class+0x640/0x640
[  307.745029]  ? print_usage_bug+0xc0/0xc0
[  307.749096]  ? mark_held_locks+0xc7/0x130
[  307.753253]  ? find_held_lock+0x36/0x1c0
[  307.757328]  ? mark_held_locks+0xc7/0x130
[  307.761484]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.765980]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.770627]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.775216]  ? trace_hardirqs_on+0xbd/0x310
[  307.779549]  ? kasan_check_read+0x11/0x20
[  307.783702]  ? shrink_inactive_list+0x741/0x1c60
[  307.788460]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.793564]  ? trace_hardirqs_on+0x310/0x310
[  307.797988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.803529]  ? check_preemption_disabled+0x48/0x280
[  307.808560]  shrink_inactive_list+0x77b/0x1c60
[  307.813170]  ? putback_inactive_pages+0x27e0/0x27e0
[  307.818192]  ? kasan_check_read+0x11/0x20
[  307.822344]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  307.827626]  ? __rcu_read_unlock+0x2d6/0x2e0
[  307.832041]  ? blk_lld_busy+0x70/0x70
[  307.835841]  ? kasan_check_read+0x11/0x20
[  307.840017]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  307.844959]  shrink_node_memcg+0x78b/0x18f0
[  307.849300]  ? shrink_active_list+0x1f00/0x1f00
[  307.853979]  ? lock_downgrade+0x900/0x900
[  307.858145]  ? check_flush_dependency+0x410/0x410
[  307.863001]  ? kasan_check_read+0x11/0x20
[  307.867149]  ? do_raw_spin_unlock+0xa7/0x330
[  307.871566]  ? ___preempt_schedule+0x16/0x18
[  307.875994]  ? _raw_spin_unlock+0x3f/0x50
[  307.880160]  shrink_node+0x3bc/0x16b0
[  307.883969]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  307.889280]  ? shrink_node_memcg+0x18f0/0x18f0
[  307.893867]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.898452]  ? trace_hardirqs_on+0xbd/0x310
[  307.902775]  ? vmpressure+0x271/0x340
[  307.906582]  ? do_raw_spin_trylock+0x270/0x270
[  307.911184]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  307.916727]  ? __cpuset_node_allowed+0x19b/0x660
[  307.921492]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  307.927212]  ? vmpressure+0x1a2/0x340
[  307.931025]  do_try_to_free_pages+0x3e7/0x1290
[  307.935618]  ? zap_class+0x640/0x640
[  307.939371]  ? shrink_node+0x16b0/0x16b0
[  307.943442]  ? __lock_is_held+0xb5/0x140
[  307.947522]  try_to_free_pages+0x4d0/0xb90
[  307.951765]  ? do_try_to_free_pages+0x1290/0x1290
[  307.956627]  ? lock_acquire+0x1ed/0x520
[  307.960611]  ? set_page_refcounted+0x280/0x280
[  307.965202]  ? lock_release+0xa00/0xa00
[  307.969185]  ? _raw_spin_unlock_irq+0x60/0x80
[  307.973680]  ? psi_memstall_enter+0x240/0x2b0
[  307.978183]  ? psi_memstall_tick+0x230/0x230
[  307.982617]  __alloc_pages_slowpath+0xa14/0x2e10
[  307.987404]  ? warn_alloc+0x120/0x120
[  307.991206]  ? mark_held_locks+0x130/0x130
[  307.995448]  ? find_get_entry+0xaae/0x1120
[  307.999693]  ? filemap_map_pages+0x1a20/0x1a20
[  308.004281]  ? zap_class+0x640/0x640
[  308.008004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.013543]  ? check_preemption_disabled+0x48/0x280
[  308.018565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.024115]  ? should_fail+0x22d/0xd01
[  308.028010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.033118]  ? zap_class+0x640/0x640
[  308.036865]  ? __lock_is_held+0xb5/0x140
[  308.040936]  ? mark_held_locks+0x130/0x130
[  308.045180]  ? lock_release+0xa00/0xa00
[  308.049156]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.054615]  ? xa_load+0x2ba/0x460
[  308.058161]  ? lock_downgrade+0x900/0x900
[  308.062313]  ? __might_sleep+0x95/0x190
[  308.066294]  __alloc_pages_nodemask+0xa80/0xde0
[  308.070975]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  308.075997]  ? __page_cache_alloc+0x191/0x5c0
[  308.080494]  ? xa_load+0x2e1/0x460
[  308.084041]  ? xa_clear_mark+0x40/0x40
[  308.087933]  ? zap_class+0x640/0x640
[  308.091657]  ? zap_class+0x640/0x640
[  308.095371]  ? zap_class+0x640/0x640
[  308.099086]  ? __do_page_cache_readahead+0x663/0x810
[  308.104196]  ? find_held_lock+0x36/0x1c0
[  308.108265]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  308.113808]  alloc_pages_current+0x173/0x350
[  308.118228]  __page_cache_alloc+0x38c/0x5c0
[  308.122550]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.127485]  ? kasan_check_read+0x11/0x20
[  308.131638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.136924]  ? generic_perform_write+0x6a0/0x6a0
[  308.141687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.147226]  ? check_preemption_disabled+0x48/0x280
[  308.152255]  filemap_fault+0x1595/0x25f0
[  308.156330]  ? __lock_page_or_retry+0xa00/0xa00
[  308.161007]  ? mark_held_locks+0x130/0x130
[  308.165253]  ? filemap_map_pages+0xd6b/0x1a20
[  308.169751]  ? lock_downgrade+0x900/0x900
[  308.173902]  ? check_preemption_disabled+0x48/0x280
[  308.178923]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.183863]  ? kasan_check_read+0x11/0x20
[  308.188012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.193291]  ? rcu_softirq_qs+0x20/0x20
[  308.197287]  ? filemap_map_pages+0xd92/0x1a20
[  308.201803]  ? find_get_entries_tag+0x1400/0x1400
[  308.206655]  ? debug_object_destroy+0x2b0/0x2b0
[  308.211330]  ? lock_pi_update_atomic+0x150/0x150
[  308.216088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.221647]  ? lock_acquire+0x1ed/0x520
[  308.225631]  ? ext4_filemap_fault+0x7a/0xad
[  308.229965]  ? lock_release+0xa00/0xa00
[  308.233941]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.239395]  ? print_usage_bug+0xc0/0xc0
[  308.243460]  ? print_usage_bug+0xc0/0xc0
[  308.247535]  ? down_read+0x8d/0x120
[  308.251165]  ? ext4_filemap_fault+0x7a/0xad
[  308.255489]  ? __down_interruptible+0x700/0x700
[  308.260169]  ext4_filemap_fault+0x82/0xad
[  308.264323]  __do_fault+0x100/0x6b0
[  308.267953]  ? find_held_lock+0x36/0x1c0
[  308.272019]  ? pmd_devmap_trans_unstable+0x220/0x220
[  308.277127]  ? mark_held_locks+0x130/0x130
[  308.281366]  ? mark_held_locks+0x130/0x130
[  308.285611]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.290108]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.294617]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  308.299208]  ? kasan_check_read+0x11/0x20
[  308.303361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.308909]  __handle_mm_fault+0x3ea6/0x5be0
[  308.313328]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  308.318178]  ? finish_task_switch+0x1f4/0x910
[  308.322676]  ? finish_task_switch+0x1b4/0x910
[  308.327171]  ? __switch_to_asm+0x34/0x70
[  308.331236]  ? preempt_notifier_register+0x200/0x200
[  308.336343]  ? __switch_to_asm+0x34/0x70
[  308.340408]  ? __switch_to_asm+0x34/0x70
[  308.344487]  ? zap_class+0x640/0x640
[  308.348201]  ? zap_class+0x640/0x640
[  308.351918]  ? __x64_sys_futex+0x53e/0x6a0
[  308.356165]  ? find_held_lock+0x36/0x1c0
[  308.360241]  ? handle_mm_fault+0x42a/0xc70
[  308.364484]  ? lock_downgrade+0x900/0x900
[  308.368636]  ? check_preemption_disabled+0x48/0x280
[  308.373667]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.378608]  ? kasan_check_read+0x11/0x20
[  308.382759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.388040]  ? rcu_softirq_qs+0x20/0x20
[  308.392017]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.397131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.402676]  ? check_preemption_disabled+0x48/0x280
[  308.407708]  handle_mm_fault+0x54f/0xc70
[  308.411778]  ? __handle_mm_fault+0x5be0/0x5be0
[  308.416366]  ? find_vma+0x34/0x190
[  308.419955]  __do_page_fault+0x5e8/0xe60
[  308.424023]  ? trace_hardirqs_off+0xb8/0x310
[  308.428444]  do_page_fault+0xf2/0x7e0
[  308.432246]  ? vmalloc_sync_all+0x30/0x30
[  308.436398]  ? error_entry+0x70/0xd0
[  308.440115]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.445135]  ? trace_hardirqs_on_caller+0xc0/0x310
[  308.450069]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.455000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.459844]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.464870]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.470326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.475347]  ? page_fault+0x8/0x30
[  308.478895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.483749]  ? page_fault+0x8/0x30
[  308.487296]  page_fault+0x1e/0x30
[  308.490749] RIP: 0033:0x40f9c0
[  308.493959] Code: Bad RIP value.
[  308.497320] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  308.502685] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  308.509957] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  308.517223] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  308.524491] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  308.531763] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  308.539055] warn_alloc_show_mem: 1 callbacks suppressed
[  308.539067] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  308.539069] Mem-Info:
[  308.539100] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  308.539100]  active_file:14 inactive_file:15 isolated_file:0
[  308.539100]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.539100]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  308.539100]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  308.539100]  free:13731 free_pcp:182 free_cma:0
[  308.544439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.551373] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.553776] Call Trace:
[  308.586823] 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
[  308.596172]  <IRQ>
[  308.624006] lowmem_reserve[]: 0 2818 6321 6321
[  308.626604]  dump_stack+0x244/0x39d
[  308.652708] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  308.654869]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.659423] lowmem_reserve[]: 0 0 3503 3503
[  308.663057]  warn_alloc.cold.116+0xb7/0x1bd
[  308.690788] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  308.695980]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.700271] lowmem_reserve[]: 0 0 0 0
[  308.704588]  ? lock_downgrade+0x900/0x900
[  308.733544] 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
[  308.738393]  ? trace_hardirqs_off+0xb8/0x310
[  308.742164] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  308.746305]  ? trace_hardirqs_off+0xb8/0x310
[  308.759806] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  308.764219]  __alloc_pages_slowpath+0x26e8/0x2e10
[  308.779372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  308.783790]  ? warn_alloc+0x120/0x120
[  308.799095] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  308.803926]  ? print_usage_bug+0xc0/0xc0
[  308.812753] 2704 total pagecache pages
[  308.816547]  ? warn_alloc+0x120/0x120
[  308.825108] 0 pages in swap cache
[  308.829157]  ? warn_alloc+0x120/0x120
[  308.833022] Swap cache stats: add 0, delete 0, find 0/0
[  308.836810]  ? print_usage_bug+0xc0/0xc0
[  308.840240] Free swap  = 0kB
[  308.844038]  ? kvm_clock_read+0x18/0x30
[  308.849378] Total swap = 0kB
[  308.853435]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  308.856457] 1965979 pages RAM
[  308.860425]  ? print_usage_bug+0xc0/0xc0
[  308.863418] 0 pages HighMem/MovableOnly
[  308.868424]  ? __lock_acquire+0x62f/0x4c20
[  308.871504] 342858 pages reserved
[  308.875561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.879508] 0 pages cma reserved
[  308.883739]  ? should_fail+0x22d/0xd01
[  308.887256] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.892691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.892709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.896145] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.899936]  ? __lock_acquire+0x62f/0x4c20
[  308.906403] syz-fuzzer cpuset=/ mems_allowed=0
[  308.911673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.940837]  ? __lock_acquire+0x62f/0x4c20
[  308.945073]  ? should_fail+0x22d/0xd01
[  308.948960]  ? rcu_irq_exit+0x1a2/0x390
[  308.952947]  ? mark_held_locks+0x130/0x130
[  308.957187]  ? mark_held_locks+0x130/0x130
[  308.961432]  ? mark_held_locks+0xc7/0x130
[  308.965587]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  308.970621]  ? zap_class+0x640/0x640
[  308.974339]  ? print_usage_bug+0xc0/0xc0
[  308.978412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.983953]  ? check_preemption_disabled+0x48/0x280
[  308.988981]  ? __lock_is_held+0xb5/0x140
[  308.993052]  __alloc_pages_nodemask+0xa80/0xde0
[  308.997722]  ? zap_class+0x640/0x640
[  309.001442]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.006470]  ? find_held_lock+0x36/0x1c0
[  309.010543]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.015219]  ? lock_downgrade+0x900/0x900
[  309.019384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.024931]  cache_grow_begin+0xa5/0x8c0
[  309.028995]  ? do_raw_spin_unlock+0xa7/0x330
[  309.033412]  fallback_alloc+0x204/0x2e0
[  309.037400]  ____cache_alloc_node+0x1c7/0x1e0
[  309.041904]  kmem_cache_alloc_node+0xe3/0x730
[  309.046401]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.050645]  __alloc_skb+0x119/0x770
[  309.054368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.059652]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.064063]  ? lock_downgrade+0x900/0x900
[  309.068225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.073764]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.079217]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.084667]  ? addrconf_rs_timer+0x690/0x690
[  309.089091]  ndisc_alloc_skb+0x144/0x340
[  309.093156]  ndisc_send_rs+0x331/0x6e0
[  309.097047]  addrconf_rs_timer+0x314/0x690
[  309.101287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.105534]  call_timer_fn+0x272/0x920
[  309.109426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.113666]  ? process_timeout+0x40/0x40
[  309.117735]  ? __run_timers+0x7da/0xc70
[  309.121718]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.126216]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.130716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.134957]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.139543]  ? trace_hardirqs_on+0xbd/0x310
[  309.143868]  ? kasan_check_read+0x11/0x20
[  309.148015]  ? __run_timers+0x7da/0xc70
[  309.151993]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.157101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.161339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.165580]  __run_timers+0x7e5/0xc70
[  309.169402]  ? timer_fixup_init+0x70/0x70
[  309.173554]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.178573]  ? zap_class+0x640/0x640
[  309.182304]  ? enqueue_hrtimer+0x1a5/0x560
[  309.186541]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.191745]  ? find_held_lock+0x36/0x1c0
[  309.195810]  ? zap_class+0x640/0x640
[  309.199531]  ? pvclock_read_flags+0x160/0x160
[  309.204030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.209575]  ? check_preemption_disabled+0x48/0x280
[  309.214618]  ? __lock_is_held+0xb5/0x140
[  309.218687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.224230]  ? check_preemption_disabled+0x48/0x280
[  309.229255]  run_timer_softirq+0x52/0xb0
[  309.233335]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.238361]  __do_softirq+0x308/0xb7e
[  309.242167]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.246662]  ? lock_downgrade+0x900/0x900
[  309.250814]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.255926]  ? pvclock_read_flags+0x160/0x160
[  309.260428]  ? lapic_next_event+0x5a/0x90
[  309.264583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.270136]  ? kvm_clock_read+0x18/0x30
[  309.274116]  ? kvm_sched_clock_read+0x9/0x20
[  309.278532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.284072]  ? check_preemption_disabled+0x48/0x280
[  309.289119]  irq_exit+0x17f/0x1c0
[  309.292577]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.297429]  ? smp_reschedule_interrupt+0x109/0x650
[  309.302452]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.308339]  ? interrupt_entry+0xb5/0xc0
[  309.312407]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.317426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.322450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.327297]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.332311]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.337327]  ? task_prio+0x50/0x50
[  309.340880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.346419]  ? check_preemption_disabled+0x48/0x280
[  309.351443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.356301]  apic_timer_interrupt+0xf/0x20
[  309.360527]  </IRQ>
[  309.362768] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  309.367701] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  309.386611] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  309.394318] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  309.401589] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  309.408870] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  309.416137] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  309.423404] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  309.430713]  skb_clone+0x1bb/0x500
[  309.434259]  ? finish_task_switch+0x1b4/0x910
[  309.438760]  ? skb_split+0x11e0/0x11e0
[  309.442653]  ? preempt_notifier_register+0x200/0x200
[  309.447760]  ? __switch_to_asm+0x34/0x70
[  309.451825]  ? __switch_to_asm+0x34/0x70
[  309.455890]  ? __switch_to_asm+0x40/0x70
[  309.459951]  ? __switch_to_asm+0x34/0x70
[  309.464017]  ? __switch_to_asm+0x40/0x70
[  309.468077]  ? __switch_to_asm+0x34/0x70
[  309.472143]  ? __switch_to_asm+0x40/0x70
[  309.476206]  ? __switch_to_asm+0x34/0x70
[  309.480269]  ? __switch_to_asm+0x34/0x70
[  309.484329]  ? __switch_to_asm+0x40/0x70
[  309.488392]  ? __switch_to_asm+0x34/0x70
[  309.492465]  bpf_clone_redirect+0xb9/0x490
[  309.496710]  ? __schedule+0x8d7/0x21d0
[  309.500619]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  309.505643]  ? __sched_text_start+0x8/0x8
[  309.509793]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.514565]  ? find_held_lock+0x36/0x1c0
[  309.518642]  ? lock_acquire+0x1ed/0x520
[  309.522624]  ? bpf_test_run+0x3cb/0x780
[  309.526612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.532152]  ? check_preemption_disabled+0x48/0x280
[  309.537178]  ? kasan_check_read+0x11/0x20
[  309.541328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.546616]  ? rcu_softirq_qs+0x20/0x20
[  309.550603]  ? preempt_schedule+0x4d/0x60
[  309.554756]  ? ___preempt_schedule+0x16/0x18
[  309.559174]  ? bpf_test_run+0x25d/0x780
[  309.563159]  ? netlink_diag_dump+0x2a0/0x2a0
[  309.567571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.573122]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  309.577886]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  309.582729]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  309.588267]  ? fput+0x130/0x1a0
[  309.591550]  ? __bpf_prog_get+0x9b/0x290
[  309.595623]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  309.600465]  ? bpf_prog_test_run+0x130/0x1a0
[  309.604882]  ? __x64_sys_bpf+0x3d8/0x520
[  309.608943]  ? bpf_prog_get+0x20/0x20
[  309.612766]  ? do_syscall_64+0x1b9/0x820
[  309.616830]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  309.622204]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.627138]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.632164]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  309.637412]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  309.644080]  ? __switch_to_asm+0x40/0x70
[  309.648145]  ? __switch_to_asm+0x34/0x70
[  309.652217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.657072]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  309.662456] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  309.662535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.669039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.669044] Call Trace:
[  309.669051]  <IRQ>
[  309.669066]  dump_stack+0x244/0x39d
[  309.669088]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.675654] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.684926]  warn_alloc.cold.116+0xb7/0x1bd
[  309.687481] syz-executor1 cpuset=syz1 mems_allowed=0
[  309.689633]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.723132]  ? lock_downgrade+0x900/0x900
[  309.727355]  ? trace_hardirqs_off+0xb8/0x310
[  309.731801]  ? trace_hardirqs_off+0xb8/0x310
[  309.736223]  __alloc_pages_slowpath+0x26e8/0x2e10
[  309.741096]  ? warn_alloc+0x120/0x120
[  309.744903]  ? print_usage_bug+0xc0/0xc0
[  309.748973]  ? warn_alloc+0x120/0x120
[  309.752782]  ? warn_alloc+0x120/0x120
[  309.756602]  ? print_usage_bug+0xc0/0xc0
[  309.760668]  ? kvm_clock_read+0x18/0x30
[  309.764645]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  309.769848]  ? print_usage_bug+0xc0/0xc0
[  309.773923]  ? __lock_acquire+0x62f/0x4c20
[  309.778170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.783714]  ? should_fail+0x22d/0xd01
[  309.787612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.792903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.798012]  ? __lock_acquire+0x62f/0x4c20
[  309.802254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.807369]  ? __lock_acquire+0x62f/0x4c20
[  309.811616]  ? should_fail+0x22d/0xd01
[  309.815505]  ? rcu_irq_exit+0x1a2/0x390
[  309.819495]  ? mark_held_locks+0x130/0x130
[  309.823738]  ? mark_held_locks+0x130/0x130
[  309.827985]  ? mark_held_locks+0xc7/0x130
[  309.832139]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  309.837155]  ? zap_class+0x640/0x640
[  309.840880]  ? print_usage_bug+0xc0/0xc0
[  309.844949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.850494]  ? check_preemption_disabled+0x48/0x280
[  309.855527]  ? __lock_is_held+0xb5/0x140
[  309.859606]  __alloc_pages_nodemask+0xa80/0xde0
[  309.864282]  ? zap_class+0x640/0x640
[  309.868003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.873031]  ? find_held_lock+0x36/0x1c0
[  309.877102]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.881777]  ? lock_downgrade+0x900/0x900
[  309.885935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.891480]  cache_grow_begin+0xa5/0x8c0
[  309.895548]  ? do_raw_spin_unlock+0xa7/0x330
[  309.899973]  fallback_alloc+0x204/0x2e0
[  309.903959]  ____cache_alloc_node+0x1c7/0x1e0
[  309.908465]  kmem_cache_alloc_node+0xe3/0x730
[  309.912961]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.917209]  __alloc_skb+0x119/0x770
[  309.920926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.926214]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.930633]  ? lock_downgrade+0x900/0x900
[  309.934795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.940351]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.945808]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.951263]  ? addrconf_rs_timer+0x690/0x690
[  309.955686]  ndisc_alloc_skb+0x144/0x340
[  309.959753]  ndisc_send_rs+0x331/0x6e0
[  309.963651]  addrconf_rs_timer+0x314/0x690
[  309.967897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.972142]  call_timer_fn+0x272/0x920
[  309.976030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.980265]  ? process_timeout+0x40/0x40
[  309.984336]  ? mark_held_locks+0xc7/0x130
[  309.988488]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.992983]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.997475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.001713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  310.006303]  ? trace_hardirqs_on+0xbd/0x310
[  310.010637]  ? kasan_check_read+0x11/0x20
[  310.014791]  ? __run_timers+0x7da/0xc70
[  310.018771]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.023883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.028125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.032359]  __run_timers+0x7e5/0xc70
[  310.036172]  ? timer_fixup_init+0x70/0x70
[  310.040326]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  310.045355]  ? zap_class+0x640/0x640
[  310.049074]  ? print_usage_bug+0xc0/0xc0
[  310.053141]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  310.058338]  ? find_held_lock+0x36/0x1c0
[  310.062405]  ? zap_class+0x640/0x640
[  310.066132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.071672]  ? check_preemption_disabled+0x48/0x280
[  310.076704]  ? __lock_is_held+0xb5/0x140
[  310.080772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.086317]  ? check_preemption_disabled+0x48/0x280
[  310.091341]  run_timer_softirq+0x52/0xb0
[  310.095408]  ? rcu_read_lock_sched_held+0x14f/0x180
[  310.100429]  __do_softirq+0x308/0xb7e
[  310.104240]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  310.108737]  ? lock_downgrade+0x900/0x900
[  310.112898]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  310.118016]  ? pvclock_read_flags+0x160/0x160
[  310.122523]  ? lapic_next_event+0x5a/0x90
[  310.126681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.132234]  ? kvm_clock_read+0x18/0x30
[  310.136222]  ? kvm_sched_clock_read+0x9/0x20
[  310.140638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.146179]  ? check_preemption_disabled+0x48/0x280
[  310.151207]  irq_exit+0x17f/0x1c0
[  310.154676]  smp_apic_timer_interrupt+0x1cb/0x760
[  310.159526]  ? smp_reschedule_interrupt+0x109/0x650
[  310.164550]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.170442]  ? interrupt_entry+0xb5/0xc0
[  310.174510]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.179530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.184551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.189395]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.194413]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.199436]  ? task_prio+0x50/0x50
[  310.202983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.208530]  ? check_preemption_disabled+0x48/0x280
[  310.213561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.218429]  apic_timer_interrupt+0xf/0x20
[  310.222666]  </IRQ>
[  310.224929] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  310.231084] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  310.250014] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  310.257737] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  310.265016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  310.272293] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  310.279572] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  310.286859] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  310.294165]  ? unlock_page+0x25d/0x4c0
[  310.298069]  unlock_page+0x25d/0x4c0
[  310.301792]  ? wake_up_page_bit+0x6f0/0x6f0
[  310.306116]  ? shrink_page_list+0x7e68/0xccd0
[  310.310621]  ? shrink_page_list+0x7e68/0xccd0
[  310.315156]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.319746]  ? shrink_inactive_list+0x77b/0x1c60
[  310.324509]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.329626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.335174]  ? check_preemption_disabled+0x48/0x280
[  310.340195]  ? shrink_page_list+0x145c/0xccd0
[  310.344702]  shrink_page_list+0x3714/0xccd0
[  310.349052]  ? page_evictable+0x540/0x540
[  310.353375]  ? rb_erase_cached+0xc78/0x3720
[  310.357699]  ? rb_erase_cached+0xc78/0x3720
[  310.362030]  ? rb_next+0x140/0x140
[  310.365578]  ? rb_next+0x140/0x140
[  310.369135]  ? rb_next+0x140/0x140
[  310.372753]  ? zap_class+0x640/0x640
[  310.376470]  ? zap_class+0x640/0x640
[  310.380185]  ? zap_class+0x640/0x640
[  310.383905]  ? zap_class+0x640/0x640
[  310.387628]  ? __update_load_avg_se+0x5eb/0xae0
[  310.392304]  ? __update_load_avg_blocked_se+0x690/0x690
[  310.397680]  ? __update_load_avg_se+0xae0/0xae0
[  310.402347]  ? zap_class+0x640/0x640
[  310.406072]  ? update_load_avg+0x387/0x2470
[  310.410407]  ? attach_entity_load_avg+0x860/0x860
[  310.415256]  ? update_load_avg+0x387/0x2470
[  310.419613]  ? attach_entity_load_avg+0x860/0x860
[  310.424469]  ? attach_entity_load_avg+0x860/0x860
[  310.429324]  ? attach_entity_load_avg+0x860/0x860
[  310.434172]  ? rb_erase+0x3710/0x3710
[  310.437980]  ? rb_erase+0x3710/0x3710
[  310.441782]  ? rb_erase+0x3710/0x3710
[  310.445587]  ? rb_erase+0x3710/0x3710
[  310.449410]  ? rb_erase+0x3710/0x3710
[  310.453229]  ? __lock_acquire+0x62f/0x4c20
[  310.457477]  ? zap_class+0x640/0x640
[  310.461198]  ? print_usage_bug+0xc0/0xc0
[  310.465262]  ? zap_class+0x640/0x640
[  310.468976]  ? zap_class+0x640/0x640
[  310.472694]  ? print_usage_bug+0xc0/0xc0
[  310.476758]  ? print_usage_bug+0xc0/0xc0
[  310.480821]  ? zap_class+0x640/0x640
[  310.484540]  ? __lock_is_held+0xb5/0x140
[  310.488627]  ? print_usage_bug+0xc0/0xc0
[  310.492700]  ? __lock_acquire+0x62f/0x4c20
[  310.496947]  ? mark_held_locks+0x130/0x130
[  310.501187]  ? print_usage_bug+0xc0/0xc0
[  310.505260]  ? rb_erase_cached+0xc78/0x3720
[  310.509591]  ? rb_next+0x140/0x140
[  310.513145]  ? rb_next+0x140/0x140
[  310.516692]  ? __lock_acquire+0x62f/0x4c20
[  310.520934]  ? __lock_acquire+0x62f/0x4c20
[  310.525169]  ? rcu_note_context_switch+0x12ad/0x2150
[  310.530278]  ? print_usage_bug+0xc0/0xc0
[  310.534355]  ? mark_held_locks+0x130/0x130
[  310.538603]  ? zap_class+0x640/0x640
[  310.542326]  ? print_usage_bug+0xc0/0xc0
[  310.546390]  ? put_dec+0x3b/0xf0
[  310.549781]  ? rb_next+0x140/0x140
[  310.553329]  ? __lock_acquire+0x62f/0x4c20
[  310.557569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.563117]  ? check_preemption_disabled+0x48/0x280
[  310.568149]  ? print_usage_bug+0xc0/0xc0
[  310.572219]  ? rb_erase_cached+0xc78/0x3720
[  310.576548]  ? rb_next+0x140/0x140
[  310.580101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.585645]  ? __isolate_lru_page+0xd05/0x1540
[  310.590240]  ? print_usage_bug+0xc0/0xc0
[  310.594308]  ? mark_held_locks+0x130/0x130
[  310.598546]  ? zap_class+0x640/0x640
[  310.602262]  ? update_load_avg+0x13b8/0x2470
[  310.606682]  ? print_usage_bug+0xc0/0xc0
[  310.610753]  ? zap_class+0x640/0x640
[  310.614468]  ? __lock_acquire+0x62f/0x4c20
[  310.618708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.624249]  ? check_preemption_disabled+0x48/0x280
[  310.629275]  ? __update_load_avg_blocked_se+0x690/0x690
[  310.634649]  ? __update_load_avg_se+0xae0/0xae0
[  310.639517]  ? zap_class+0x640/0x640
[  310.643241]  ? update_load_avg+0x387/0x2470
[  310.647577]  ? attach_entity_load_avg+0x860/0x860
[  310.652440]  ? update_load_avg+0x387/0x2470
[  310.656770]  ? attach_entity_load_avg+0x860/0x860
[  310.661632]  ? attach_entity_load_avg+0x860/0x860
[  310.666488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.672029]  ? __isolate_lru_page+0xd05/0x1540
[  310.676625]  ? putback_lru_page+0x280/0x280
[  310.680953]  ? rb_erase+0x3710/0x3710
[  310.684767]  ? mark_held_locks+0x130/0x130
[  310.689009]  ? cpuacct_charge+0x265/0x440
[  310.693164]  ? find_held_lock+0x36/0x1c0
[  310.697240]  ? zap_class+0x640/0x640
[  310.700966]  ? print_usage_bug+0xc0/0xc0
[  310.705033]  ? zap_class+0x640/0x640
[  310.708751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.713701]  ? kasan_check_read+0x11/0x20
[  310.717888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.723174]  ? zap_class+0x640/0x640
[  310.726898]  ? __lock_is_held+0xb5/0x140
[  310.731059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.736611]  ? check_preemption_disabled+0x48/0x280
[  310.741648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.747195]  ? check_preemption_disabled+0x48/0x280
[  310.752214]  ? __lock_is_held+0xb5/0x140
[  310.756285]  ? __this_cpu_preempt_check+0x1c/0x20
[  310.761131]  ? __mod_zone_page_state+0x8a/0xf0
[  310.765725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.771285]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  310.776509]  ? __isolate_lru_page+0x1540/0x1540
[  310.781200]  ? zap_class+0x640/0x640
[  310.784925]  ? print_usage_bug+0xc0/0xc0
[  310.788991]  ? __account_cfs_rq_runtime+0x790/0x790
[  310.794020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.799570]  ? find_held_lock+0x36/0x1c0
[  310.803648]  ? zap_class+0x640/0x640
[  310.807368]  ? print_usage_bug+0xc0/0xc0
[  310.811435]  ? mark_held_locks+0xc7/0x130
[  310.815605]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.820117]  ? zap_class+0x640/0x640
[  310.823838]  ? print_usage_bug+0xc0/0xc0
[  310.827917]  ? mark_held_locks+0xc7/0x130
[  310.832082]  ? find_held_lock+0x36/0x1c0
[  310.836159]  ? mark_held_locks+0xc7/0x130
[  310.840316]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.844823]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.849331]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.853920]  ? trace_hardirqs_on+0xbd/0x310
[  310.858249]  ? kasan_check_read+0x11/0x20
[  310.862405]  ? shrink_inactive_list+0x741/0x1c60
[  310.867167]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.872279]  ? trace_hardirqs_on+0x310/0x310
[  310.876695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.882243]  ? check_preemption_disabled+0x48/0x280
[  310.887281]  shrink_inactive_list+0x77b/0x1c60
[  310.891886]  ? putback_inactive_pages+0x27e0/0x27e0
[  310.896911]  ? kasan_check_read+0x11/0x20
[  310.901065]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  310.906347]  ? __rcu_read_unlock+0x2d6/0x2e0
[  310.910762]  ? blk_lld_busy+0x70/0x70
[  310.914564]  ? kasan_check_read+0x11/0x20
[  310.918735]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  310.923682]  shrink_node_memcg+0x78b/0x18f0
[  310.928024]  ? shrink_active_list+0x1f00/0x1f00
[  310.932701]  ? lock_downgrade+0x900/0x900
[  310.936869]  ? check_flush_dependency+0x410/0x410
[  310.941722]  ? kasan_check_read+0x11/0x20
[  310.945877]  ? do_raw_spin_unlock+0xa7/0x330
[  310.950300]  ? ___preempt_schedule+0x16/0x18
[  310.954722]  ? _raw_spin_unlock+0x3f/0x50
[  310.958887]  shrink_node+0x3bc/0x16b0
[  310.962694]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  310.968002]  ? shrink_node_memcg+0x18f0/0x18f0
[  310.972588]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.977187]  ? trace_hardirqs_on+0xbd/0x310
[  310.981513]  ? vmpressure+0x271/0x340
[  310.985320]  ? do_raw_spin_trylock+0x270/0x270
[  310.989912]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.995467]  ? __cpuset_node_allowed+0x19b/0x660
[  311.000234]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  311.005948]  ? vmpressure+0x1a2/0x340
[  311.009762]  do_try_to_free_pages+0x3e7/0x1290
[  311.014350]  ? zap_class+0x640/0x640
[  311.018082]  ? shrink_node+0x16b0/0x16b0
[  311.022148]  ? __lock_is_held+0xb5/0x140
[  311.026226]  try_to_free_pages+0x4d0/0xb90
[  311.030472]  ? do_try_to_free_pages+0x1290/0x1290
[  311.035333]  ? lock_acquire+0x1ed/0x520
[  311.039313]  ? set_page_refcounted+0x280/0x280
[  311.043908]  ? lock_release+0xa00/0xa00
[  311.047892]  ? _raw_spin_unlock_irq+0x60/0x80
[  311.052393]  ? psi_memstall_enter+0x240/0x2b0
[  311.056892]  ? psi_memstall_tick+0x230/0x230
[  311.061314]  __alloc_pages_slowpath+0xa14/0x2e10
[  311.066099]  ? warn_alloc+0x120/0x120
[  311.069904]  ? mark_held_locks+0x130/0x130
[  311.074151]  ? find_get_entry+0xaae/0x1120
[  311.078398]  ? filemap_map_pages+0x1a20/0x1a20
[  311.082987]  ? zap_class+0x640/0x640
[  311.086709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.092255]  ? check_preemption_disabled+0x48/0x280
[  311.097277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.102815]  ? should_fail+0x22d/0xd01
[  311.106713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.111827]  ? zap_class+0x640/0x640
[  311.115577]  ? __lock_is_held+0xb5/0x140
[  311.119670]  ? mark_held_locks+0x130/0x130
[  311.123912]  ? lock_release+0xa00/0xa00
[  311.127895]  ? perf_trace_sched_process_exec+0x860/0x860
[  311.133348]  ? xa_load+0x2ba/0x460
[  311.136895]  ? lock_downgrade+0x900/0x900
[  311.141053]  ? __might_sleep+0x95/0x190
[  311.145060]  __alloc_pages_nodemask+0xa80/0xde0
[  311.149741]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  311.154764]  ? __page_cache_alloc+0x191/0x5c0
[  311.159260]  ? xa_load+0x2e1/0x460
[  311.162801]  ? xa_clear_mark+0x40/0x40
[  311.166696]  ? zap_class+0x640/0x640
[  311.170424]  ? zap_class+0x640/0x640
[  311.174138]  ? zap_class+0x640/0x640
[  311.177860]  ? __do_page_cache_readahead+0x663/0x810
[  311.182969]  ? find_held_lock+0x36/0x1c0
[  311.187037]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  311.192582]  alloc_pages_current+0x173/0x350
[  311.197013]  __page_cache_alloc+0x38c/0x5c0
[  311.201335]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.206269]  ? kasan_check_read+0x11/0x20
[  311.210417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.215702]  ? generic_perform_write+0x6a0/0x6a0
[  311.220462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.226004]  ? check_preemption_disabled+0x48/0x280
[  311.231030]  filemap_fault+0x1595/0x25f0
[  311.235112]  ? __lock_page_or_retry+0xa00/0xa00
[  311.239785]  ? mark_held_locks+0x130/0x130
[  311.244034]  ? filemap_map_pages+0xd6b/0x1a20
[  311.248531]  ? lock_downgrade+0x900/0x900
[  311.252687]  ? check_preemption_disabled+0x48/0x280
[  311.257710]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.262640]  ? kasan_check_read+0x11/0x20
[  311.266789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.272066]  ? rcu_softirq_qs+0x20/0x20
[  311.276059]  ? filemap_map_pages+0xd92/0x1a20
[  311.280574]  ? find_get_entries_tag+0x1400/0x1400
[  311.285429]  ? debug_object_destroy+0x2b0/0x2b0
[  311.290106]  ? lock_pi_update_atomic+0x150/0x150
[  311.294870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.300425]  ? lock_acquire+0x1ed/0x520
[  311.304403]  ? ext4_filemap_fault+0x7a/0xad
[  311.308735]  ? lock_release+0xa00/0xa00
[  311.312710]  ? perf_trace_sched_process_exec+0x860/0x860
[  311.318168]  ? print_usage_bug+0xc0/0xc0
[  311.322231]  ? print_usage_bug+0xc0/0xc0
[  311.326306]  ? down_read+0x8d/0x120
[  311.329937]  ? ext4_filemap_fault+0x7a/0xad
[  311.334259]  ? __down_interruptible+0x700/0x700
[  311.338943]  ext4_filemap_fault+0x82/0xad
[  311.343096]  __do_fault+0x100/0x6b0
[  311.346723]  ? find_held_lock+0x36/0x1c0
[  311.350794]  ? pmd_devmap_trans_unstable+0x220/0x220
[  311.355906]  ? mark_held_locks+0x130/0x130
[  311.360145]  ? mark_held_locks+0x130/0x130
[  311.364383]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.368894]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.373393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  311.377979]  ? kasan_check_read+0x11/0x20
[  311.382132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.387679]  __handle_mm_fault+0x3ea6/0x5be0
[  311.392102]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  311.396951]  ? finish_task_switch+0x1f4/0x910
[  311.401448]  ? finish_task_switch+0x1b4/0x910
[  311.405946]  ? __switch_to_asm+0x34/0x70
[  311.410011]  ? preempt_notifier_register+0x200/0x200
[  311.415114]  ? __switch_to_asm+0x34/0x70
[  311.419174]  ? __switch_to_asm+0x34/0x70
[  311.423252]  ? zap_class+0x640/0x640
[  311.426971]  ? zap_class+0x640/0x640
[  311.430688]  ? __x64_sys_futex+0x53e/0x6a0
[  311.434930]  ? find_held_lock+0x36/0x1c0
[  311.439007]  ? handle_mm_fault+0x42a/0xc70
[  311.443247]  ? lock_downgrade+0x900/0x900
[  311.447395]  ? check_preemption_disabled+0x48/0x280
[  311.452428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.457359]  ? kasan_check_read+0x11/0x20
[  311.461510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.466791]  ? rcu_softirq_qs+0x20/0x20
[  311.470772]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.475880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.481422]  ? check_preemption_disabled+0x48/0x280
[  311.486453]  handle_mm_fault+0x54f/0xc70
[  311.490522]  ? __handle_mm_fault+0x5be0/0x5be0
[  311.495111]  ? find_vma+0x34/0x190
[  311.498663]  __do_page_fault+0x5e8/0xe60
[  311.502726]  ? trace_hardirqs_off+0xb8/0x310
[  311.507155]  do_page_fault+0xf2/0x7e0
[  311.510962]  ? vmalloc_sync_all+0x30/0x30
[  311.515118]  ? error_entry+0x70/0xd0
[  311.518836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.523863]  ? trace_hardirqs_on_caller+0xc0/0x310
[  311.528797]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.533728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.538573]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.543602]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.549061]  ? prepare_exit_to_usermode+0x291/0x3b0
[  311.554084]  ? page_fault+0x8/0x30
[  311.557634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.562487]  ? page_fault+0x8/0x30
[  311.566032]  page_fault+0x1e/0x30
[  311.569484] RIP: 0033:0x40f9c0
[  311.572687] Code: Bad RIP value.
[  311.576059] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  311.581422] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  311.588688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  311.595958] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  311.603226] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  311.610491] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  311.617793] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  311.617799] warn_alloc_show_mem: 1 callbacks suppressed
[  311.617806] Mem-Info:
[  311.624734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.630108] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  311.630108]  active_file:14 inactive_file:15 isolated_file:0
[  311.630108]  unevictable:0 dirty:0 writeback:0 unstable:0
[  311.630108]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  311.630108]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  311.630108]  free:13731 free_pcp:182 free_cma:0
[  311.632481] Call Trace:
[  311.642079] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  311.675098]  <IRQ>
[  311.677672] 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
[  311.705517]  dump_stack+0x244/0x39d
[  311.707644] lowmem_reserve[]: 0 2818 6321 6321
[  311.733760]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.737362] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  311.741959]  warn_alloc.cold.116+0xb7/0x1bd
[  311.747116] lowmem_reserve[]: 0 0 3503 3503
[  311.775382]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.779677] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  311.783993]  ? lock_downgrade+0x900/0x900
[  311.788823] lowmem_reserve[]: 0 0 0 0
[  311.788834] 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
[  311.788879] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  311.788921] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  311.788963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.788970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.788973] 2704 total pagecache pages
[  311.788983] 0 pages in swap cache
[  311.788988] Swap cache stats: add 0, delete 0, find 0/0
[  311.788991] Free swap  = 0kB
[  311.788993] Total swap = 0kB
[  311.788997] 1965979 pages RAM
[  311.789000] 0 pages HighMem/MovableOnly
[  311.789003] 342858 pages reserved
[  311.789005] 0 pages cma reserved
[  311.789057] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.789104] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.789108] syz-fuzzer cpuset=/ mems_allowed=0
[  311.941502]  ? trace_hardirqs_off+0xb8/0x310
[  311.945919]  ? trace_hardirqs_off+0xb8/0x310
[  311.950344]  __alloc_pages_slowpath+0x26e8/0x2e10
[  311.955226]  ? warn_alloc+0x120/0x120
[  311.959035]  ? print_usage_bug+0xc0/0xc0
[  311.963105]  ? warn_alloc+0x120/0x120
[  311.967016]  ? warn_alloc+0x120/0x120
[  311.970820]  ? print_usage_bug+0xc0/0xc0
[  311.974887]  ? kvm_clock_read+0x18/0x30
[  311.978871]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  311.983899]  ? print_usage_bug+0xc0/0xc0
[  311.987964]  ? __lock_acquire+0x62f/0x4c20
[  311.992213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.997755]  ? should_fail+0x22d/0xd01
[  312.001643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.006930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.012037]  ? __lock_acquire+0x62f/0x4c20
[  312.016278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.021383]  ? __lock_acquire+0x62f/0x4c20
[  312.025622]  ? should_fail+0x22d/0xd01
[  312.029508]  ? rcu_irq_exit+0x1a2/0x390
[  312.033496]  ? mark_held_locks+0x130/0x130
[  312.037742]  ? mark_held_locks+0x130/0x130
[  312.041988]  ? mark_held_locks+0xc7/0x130
[  312.046140]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  312.051157]  ? zap_class+0x640/0x640
[  312.054875]  ? print_usage_bug+0xc0/0xc0
[  312.058959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.064505]  ? check_preemption_disabled+0x48/0x280
[  312.069532]  ? __lock_is_held+0xb5/0x140
[  312.073612]  __alloc_pages_nodemask+0xa80/0xde0
[  312.078290]  ? zap_class+0x640/0x640
[  312.082011]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  312.087044]  ? find_held_lock+0x36/0x1c0
[  312.091136]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.095815]  ? lock_downgrade+0x900/0x900
[  312.099974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.105521]  cache_grow_begin+0xa5/0x8c0
[  312.109590]  ? do_raw_spin_unlock+0xa7/0x330
[  312.114021]  fallback_alloc+0x204/0x2e0
[  312.118005]  ____cache_alloc_node+0x1c7/0x1e0
[  312.122507]  kmem_cache_alloc_node+0xe3/0x730
[  312.127004]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.131251]  __alloc_skb+0x119/0x770
[  312.134967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.140256]  ? netdev_alloc_frag+0x1f0/0x1f0
[  312.144667]  ? lock_downgrade+0x900/0x900
[  312.148823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.154371]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.159832]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.165284]  ? addrconf_rs_timer+0x690/0x690
[  312.169708]  ndisc_alloc_skb+0x144/0x340
[  312.173774]  ndisc_send_rs+0x331/0x6e0
[  312.177671]  addrconf_rs_timer+0x314/0x690
[  312.181911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.186163]  call_timer_fn+0x272/0x920
[  312.190050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.194284]  ? process_timeout+0x40/0x40
[  312.198354]  ? __run_timers+0x7da/0xc70
[  312.202341]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.206840]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.211341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.215583]  ? lockdep_hardirqs_on+0x296/0x5b0
[  312.220180]  ? trace_hardirqs_on+0xbd/0x310
[  312.224508]  ? kasan_check_read+0x11/0x20
[  312.228658]  ? __run_timers+0x7da/0xc70
[  312.232634]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.237744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.241985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.246226]  __run_timers+0x7e5/0xc70
[  312.250041]  ? timer_fixup_init+0x70/0x70
[  312.254197]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  312.259215]  ? zap_class+0x640/0x640
[  312.262937]  ? enqueue_hrtimer+0x1a5/0x560
[  312.267177]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  312.272384]  ? find_held_lock+0x36/0x1c0
[  312.276455]  ? zap_class+0x640/0x640
[  312.280173]  ? pvclock_read_flags+0x160/0x160
[  312.284674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.290215]  ? check_preemption_disabled+0x48/0x280
[  312.295240]  ? __lock_is_held+0xb5/0x140
[  312.299306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.304849]  ? check_preemption_disabled+0x48/0x280
[  312.309872]  run_timer_softirq+0x52/0xb0
[  312.313943]  ? rcu_read_lock_sched_held+0x14f/0x180
[  312.318967]  __do_softirq+0x308/0xb7e
[  312.322773]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  312.327273]  ? lock_downgrade+0x900/0x900
[  312.331427]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  312.336539]  ? pvclock_read_flags+0x160/0x160
[  312.341041]  ? lapic_next_event+0x5a/0x90
[  312.345199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.350746]  ? kvm_clock_read+0x18/0x30
[  312.354722]  ? kvm_sched_clock_read+0x9/0x20
[  312.359139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.364683]  ? check_preemption_disabled+0x48/0x280
[  312.369730]  irq_exit+0x17f/0x1c0
[  312.373193]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.378039]  ? smp_reschedule_interrupt+0x109/0x650
[  312.383065]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.388955]  ? interrupt_entry+0xb5/0xc0
[  312.393021]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.398042]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.403065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.407919]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.412939]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.417961]  ? task_prio+0x50/0x50
[  312.421509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.427053]  ? check_preemption_disabled+0x48/0x280
[  312.432092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.436948]  apic_timer_interrupt+0xf/0x20
[  312.441180]  </IRQ>
[  312.443421] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  312.448359] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  312.467268] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  312.474982] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  312.482250] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  312.489520] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  312.496788] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  312.504056] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  312.511379]  skb_clone+0x1bb/0x500
[  312.514923]  ? finish_task_switch+0x1b4/0x910
[  312.519419]  ? skb_split+0x11e0/0x11e0
[  312.523309]  ? preempt_notifier_register+0x200/0x200
[  312.528420]  ? __switch_to_asm+0x34/0x70
[  312.532483]  ? __switch_to_asm+0x34/0x70
[  312.536548]  ? __switch_to_asm+0x40/0x70
[  312.540617]  ? __switch_to_asm+0x34/0x70
[  312.544683]  ? __switch_to_asm+0x40/0x70
[  312.548743]  ? __switch_to_asm+0x34/0x70
[  312.552802]  ? __switch_to_asm+0x40/0x70
[  312.556866]  ? __switch_to_asm+0x34/0x70
[  312.560939]  ? __switch_to_asm+0x34/0x70
[  312.565001]  ? __switch_to_asm+0x40/0x70
[  312.569062]  ? __switch_to_asm+0x34/0x70
[  312.573138]  bpf_clone_redirect+0xb9/0x490
[  312.577378]  ? __schedule+0x8d7/0x21d0
[  312.581273]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  312.586292]  ? __sched_text_start+0x8/0x8
[  312.590441]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.595211]  ? find_held_lock+0x36/0x1c0
[  312.599284]  ? lock_acquire+0x1ed/0x520
[  312.603259]  ? bpf_test_run+0x3cb/0x780
[  312.607242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.612789]  ? check_preemption_disabled+0x48/0x280
[  312.617818]  ? kasan_check_read+0x11/0x20
[  312.621967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.627248]  ? rcu_softirq_qs+0x20/0x20
[  312.631227]  ? preempt_schedule+0x4d/0x60
[  312.635380]  ? ___preempt_schedule+0x16/0x18
[  312.639797]  ? bpf_test_run+0x25d/0x780
[  312.643786]  ? netlink_diag_dump+0x2a0/0x2a0
[  312.648200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.653745]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  312.658511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  312.663364]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  312.668911]  ? fput+0x130/0x1a0
[  312.672196]  ? __bpf_prog_get+0x9b/0x290
[  312.676260]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  312.681105]  ? bpf_prog_test_run+0x130/0x1a0
[  312.685519]  ? __x64_sys_bpf+0x3d8/0x520
[  312.689584]  ? bpf_prog_get+0x20/0x20
[  312.693415]  ? do_syscall_64+0x1b9/0x820
[  312.697480]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  312.702849]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.707885]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.712910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  312.717933]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  312.724612]  ? __switch_to_asm+0x40/0x70
[  312.728680]  ? __switch_to_asm+0x34/0x70
[  312.732749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.737615]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  312.743000] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  312.743089] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  312.749581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.749587] Call Trace:
[  312.749602]  <IRQ>
[  312.749619]  dump_stack+0x244/0x39d
[  312.749638]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.756204] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.765480]  warn_alloc.cold.116+0xb7/0x1bd
[  312.768392] syz-executor1 cpuset=syz1 mems_allowed=0
[  312.770541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.804030]  ? lock_downgrade+0x900/0x900
[  312.808189]  ? trace_hardirqs_off+0xb8/0x310
[  312.812615]  ? trace_hardirqs_off+0xb8/0x310
[  312.817039]  __alloc_pages_slowpath+0x26e8/0x2e10
[  312.821922]  ? warn_alloc+0x120/0x120
[  312.825733]  ? print_usage_bug+0xc0/0xc0
[  312.829803]  ? warn_alloc+0x120/0x120
[  312.833619]  ? warn_alloc+0x120/0x120
[  312.837426]  ? print_usage_bug+0xc0/0xc0
[  312.841496]  ? enqueue_hrtimer+0x1a5/0x560
[  312.845740]  ? print_usage_bug+0xc0/0xc0
[  312.849808]  ? __lock_acquire+0x62f/0x4c20
[  312.854047]  ? __lock_acquire+0x62f/0x4c20
[  312.858288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.863831]  ? should_fail+0x22d/0xd01
[  312.867735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.872841]  ? __lock_acquire+0x62f/0x4c20
[  312.877088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.882196]  ? __lock_acquire+0x62f/0x4c20
[  312.886436]  ? should_fail+0x22d/0xd01
[  312.890345]  ? mark_held_locks+0x130/0x130
[  312.894589]  ? mark_held_locks+0x130/0x130
[  312.898843]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  312.903872]  ? ktime_get+0x2c1/0x400
[  312.907602]  ? zap_class+0x640/0x640
[  312.911321]  ? print_usage_bug+0xc0/0xc0
[  312.915388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.920930]  ? check_preemption_disabled+0x48/0x280
[  312.925969]  ? __lock_is_held+0xb5/0x140
[  312.930041]  __alloc_pages_nodemask+0xa80/0xde0
[  312.934715]  ? zap_class+0x640/0x640
[  312.938441]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  312.943474]  ? find_held_lock+0x36/0x1c0
[  312.947552]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.952226]  ? lock_downgrade+0x900/0x900
[  312.956385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.961934]  cache_grow_begin+0xa5/0x8c0
[  312.965997]  ? do_raw_spin_unlock+0xa7/0x330
[  312.970421]  fallback_alloc+0x204/0x2e0
[  312.974407]  ____cache_alloc_node+0x1c7/0x1e0
[  312.978916]  kmem_cache_alloc_node+0xe3/0x730
[  312.983413]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.987663]  __alloc_skb+0x119/0x770
[  312.991376]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.996666]  ? netdev_alloc_frag+0x1f0/0x1f0
[  313.001076]  ? lock_downgrade+0x900/0x900
[  313.005240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.010784]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.016245]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.021703]  ? addrconf_rs_timer+0x690/0x690
[  313.026128]  ndisc_alloc_skb+0x144/0x340
[  313.030196]  ndisc_send_rs+0x331/0x6e0
[  313.034114]  addrconf_rs_timer+0x314/0x690
[  313.038366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.042626]  call_timer_fn+0x272/0x920
[  313.046515]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.050752]  ? process_timeout+0x40/0x40
[  313.054829]  ? mark_held_locks+0xc7/0x130
[  313.058987]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.063485]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.067982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.072223]  ? lockdep_hardirqs_on+0x296/0x5b0
[  313.076816]  ? trace_hardirqs_on+0xbd/0x310
[  313.081139]  ? kasan_check_read+0x11/0x20
[  313.085293]  ? __run_timers+0x7da/0xc70
[  313.089275]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.094387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.098634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.102878]  __run_timers+0x7e5/0xc70
[  313.106692]  ? timer_fixup_init+0x70/0x70
[  313.110849]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.115880]  ? zap_class+0x640/0x640
[  313.119611]  ? print_usage_bug+0xc0/0xc0
[  313.123680]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.128885]  ? find_held_lock+0x36/0x1c0
[  313.132955]  ? zap_class+0x640/0x640
[  313.136680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.142222]  ? check_preemption_disabled+0x48/0x280
[  313.147249]  ? __lock_is_held+0xb5/0x140
[  313.151318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.156866]  ? check_preemption_disabled+0x48/0x280
[  313.161896]  run_timer_softirq+0x52/0xb0
[  313.165965]  ? rcu_read_lock_sched_held+0x14f/0x180
[  313.170988]  __do_softirq+0x308/0xb7e
[  313.174797]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  313.179294]  ? lock_downgrade+0x900/0x900
[  313.183447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  313.188562]  ? pvclock_read_flags+0x160/0x160
[  313.193073]  ? lapic_next_event+0x5a/0x90
[  313.197226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.202872]  ? kvm_clock_read+0x18/0x30
[  313.206848]  ? kvm_sched_clock_read+0x9/0x20
[  313.211264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.216805]  ? check_preemption_disabled+0x48/0x280
[  313.221837]  irq_exit+0x17f/0x1c0
[  313.225306]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.230154]  ? smp_reschedule_interrupt+0x109/0x650
[  313.235176]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.241063]  ? interrupt_entry+0xb5/0xc0
[  313.245128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.250145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.255170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.260018]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.265064]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.270098]  ? task_prio+0x50/0x50
[  313.273655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.279206]  ? check_preemption_disabled+0x48/0x280
[  313.284236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.289100]  apic_timer_interrupt+0xf/0x20
[  313.293336]  </IRQ>
[  313.295585] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  313.301747] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  313.320661] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  313.328373] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  313.335646] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  313.342914] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  313.350182] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  313.357449] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  313.364743]  ? unlock_page+0x25d/0x4c0
[  313.368646]  unlock_page+0x25d/0x4c0
[  313.372363]  ? wake_up_page_bit+0x6f0/0x6f0
[  313.376688]  ? shrink_page_list+0x7e68/0xccd0
[  313.381185]  ? shrink_page_list+0x7e68/0xccd0
[  313.385690]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.390286]  ? shrink_inactive_list+0x77b/0x1c60
[  313.395053]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.400163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.405708]  ? check_preemption_disabled+0x48/0x280
[  313.410730]  ? shrink_page_list+0x145c/0xccd0
[  313.415241]  shrink_page_list+0x3714/0xccd0
[  313.419592]  ? page_evictable+0x540/0x540
[  313.423939]  ? rb_erase_cached+0xc78/0x3720
[  313.428269]  ? rb_erase_cached+0xc78/0x3720
[  313.432687]  ? rb_next+0x140/0x140
[  313.436235]  ? rb_next+0x140/0x140
[  313.439782]  ? rb_next+0x140/0x140
[  313.443400]  ? zap_class+0x640/0x640
[  313.447125]  ? zap_class+0x640/0x640
[  313.450840]  ? zap_class+0x640/0x640
[  313.454566]  ? zap_class+0x640/0x640
[  313.458293]  ? __update_load_avg_se+0x5eb/0xae0
[  313.462968]  ? __update_load_avg_blocked_se+0x690/0x690
[  313.468341]  ? __update_load_avg_se+0xae0/0xae0
[  313.473010]  ? zap_class+0x640/0x640
[  313.476738]  ? update_load_avg+0x387/0x2470
[  313.481069]  ? attach_entity_load_avg+0x860/0x860
[  313.485920]  ? update_load_avg+0x387/0x2470
[  313.490251]  ? attach_entity_load_avg+0x860/0x860
[  313.495105]  ? attach_entity_load_avg+0x860/0x860
[  313.499957]  ? attach_entity_load_avg+0x860/0x860
[  313.504808]  ? rb_erase+0x3710/0x3710
[  313.508620]  ? rb_erase+0x3710/0x3710
[  313.512422]  ? rb_erase+0x3710/0x3710
[  313.516230]  ? rb_erase+0x3710/0x3710
[  313.520042]  ? rb_erase+0x3710/0x3710
[  313.523851]  ? __lock_acquire+0x62f/0x4c20
[  313.528104]  ? zap_class+0x640/0x640
[  313.531822]  ? print_usage_bug+0xc0/0xc0
[  313.535902]  ? zap_class+0x640/0x640
[  313.539739]  ? zap_class+0x640/0x640
[  313.543459]  ? print_usage_bug+0xc0/0xc0
[  313.547529]  ? print_usage_bug+0xc0/0xc0
[  313.551601]  ? zap_class+0x640/0x640
[  313.555322]  ? __lock_is_held+0xb5/0x140
[  313.559395]  ? print_usage_bug+0xc0/0xc0
[  313.563470]  ? __lock_acquire+0x62f/0x4c20
[  313.567712]  ? mark_held_locks+0x130/0x130
[  313.571950]  ? print_usage_bug+0xc0/0xc0
[  313.576024]  ? rb_erase_cached+0xc78/0x3720
[  313.580704]  ? rb_next+0x140/0x140
[  313.584251]  ? rb_next+0x140/0x140
[  313.587803]  ? __lock_acquire+0x62f/0x4c20
[  313.592046]  ? __lock_acquire+0x62f/0x4c20
[  313.596288]  ? rcu_note_context_switch+0x12ad/0x2150
[  313.601399]  ? print_usage_bug+0xc0/0xc0
[  313.605510]  ? mark_held_locks+0x130/0x130
[  313.609758]  ? zap_class+0x640/0x640
[  313.613478]  ? print_usage_bug+0xc0/0xc0
[  313.617541]  ? put_dec+0x3b/0xf0
[  313.620937]  ? rb_next+0x140/0x140
[  313.624488]  ? __lock_acquire+0x62f/0x4c20
[  313.628732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.634276]  ? check_preemption_disabled+0x48/0x280
[  313.639820]  ? print_usage_bug+0xc0/0xc0
[  313.643900]  ? rb_erase_cached+0xc78/0x3720
[  313.648231]  ? rb_next+0x140/0x140
[  313.651787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.657325]  ? __isolate_lru_page+0xd05/0x1540
[  313.661931]  ? print_usage_bug+0xc0/0xc0
[  313.666002]  ? mark_held_locks+0x130/0x130
[  313.670239]  ? zap_class+0x640/0x640
[  313.673958]  ? update_load_avg+0x13b8/0x2470
[  313.678377]  ? print_usage_bug+0xc0/0xc0
[  313.682446]  ? zap_class+0x640/0x640
[  313.686162]  ? __lock_acquire+0x62f/0x4c20
[  313.690405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.696037]  ? check_preemption_disabled+0x48/0x280
[  313.701066]  ? __update_load_avg_blocked_se+0x690/0x690
[  313.706439]  ? __update_load_avg_se+0xae0/0xae0
[  313.711115]  ? zap_class+0x640/0x640
[  313.714845]  ? update_load_avg+0x387/0x2470
[  313.719183]  ? attach_entity_load_avg+0x860/0x860
[  313.724035]  ? update_load_avg+0x387/0x2470
[  313.728362]  ? attach_entity_load_avg+0x860/0x860
[  313.733207]  ? attach_entity_load_avg+0x860/0x860
[  313.738064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.743616]  ? __isolate_lru_page+0xd05/0x1540
[  313.748208]  ? putback_lru_page+0x280/0x280
[  313.752532]  ? rb_erase+0x3710/0x3710
[  313.756349]  ? mark_held_locks+0x130/0x130
[  313.760592]  ? cpuacct_charge+0x265/0x440
[  313.764757]  ? find_held_lock+0x36/0x1c0
[  313.768976]  ? zap_class+0x640/0x640
[  313.772698]  ? print_usage_bug+0xc0/0xc0
[  313.776762]  ? zap_class+0x640/0x640
[  313.780477]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.785408]  ? kasan_check_read+0x11/0x20
[  313.789692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.794980]  ? zap_class+0x640/0x640
[  313.798699]  ? __lock_is_held+0xb5/0x140
[  313.802768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.808313]  ? check_preemption_disabled+0x48/0x280
[  313.813338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.818884]  ? check_preemption_disabled+0x48/0x280
[  313.823903]  ? __lock_is_held+0xb5/0x140
[  313.827970]  ? __this_cpu_preempt_check+0x1c/0x20
[  313.832819]  ? __mod_zone_page_state+0x8a/0xf0
[  313.837408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.842952]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  313.848166]  ? __isolate_lru_page+0x1540/0x1540
[  313.852854]  ? zap_class+0x640/0x640
[  313.856584]  ? print_usage_bug+0xc0/0xc0
[  313.860660]  ? __account_cfs_rq_runtime+0x790/0x790
[  313.865683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.871226]  ? find_held_lock+0x36/0x1c0
[  313.875290]  ? zap_class+0x640/0x640
[  313.879008]  ? print_usage_bug+0xc0/0xc0
[  313.883075]  ? mark_held_locks+0xc7/0x130
[  313.887227]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.891737]  ? zap_class+0x640/0x640
[  313.895454]  ? print_usage_bug+0xc0/0xc0
[  313.899525]  ? mark_held_locks+0xc7/0x130
[  313.903681]  ? find_held_lock+0x36/0x1c0
[  313.907755]  ? mark_held_locks+0xc7/0x130
[  313.911910]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.916411]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.920908]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.925493]  ? trace_hardirqs_on+0xbd/0x310
[  313.929817]  ? kasan_check_read+0x11/0x20
[  313.933965]  ? shrink_inactive_list+0x741/0x1c60
[  313.938726]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.943831]  ? trace_hardirqs_on+0x310/0x310
[  313.948249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.953791]  ? check_preemption_disabled+0x48/0x280
[  313.958816]  shrink_inactive_list+0x77b/0x1c60
[  313.963412]  ? putback_inactive_pages+0x27e0/0x27e0
[  313.968435]  ? kasan_check_read+0x11/0x20
[  313.972587]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  313.977879]  ? __rcu_read_unlock+0x2d6/0x2e0
[  313.982291]  ? blk_lld_busy+0x70/0x70
[  313.986097]  ? kasan_check_read+0x11/0x20
[  313.990258]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  313.995204]  shrink_node_memcg+0x78b/0x18f0
[  313.999543]  ? shrink_active_list+0x1f00/0x1f00
[  314.004222]  ? lock_downgrade+0x900/0x900
[  314.008377]  ? check_flush_dependency+0x410/0x410
[  314.013233]  ? kasan_check_read+0x11/0x20
[  314.017380]  ? do_raw_spin_unlock+0xa7/0x330
[  314.021802]  ? ___preempt_schedule+0x16/0x18
[  314.026218]  ? _raw_spin_unlock+0x3f/0x50
[  314.030376]  shrink_node+0x3bc/0x16b0
[  314.034203]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  314.039552]  ? shrink_node_memcg+0x18f0/0x18f0
[  314.044137]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  314.048729]  ? trace_hardirqs_on+0xbd/0x310
[  314.053052]  ? vmpressure+0x271/0x340
[  314.056867]  ? do_raw_spin_trylock+0x270/0x270
[  314.061457]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  314.066997]  ? __cpuset_node_allowed+0x19b/0x660
[  314.071756]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  314.077470]  ? vmpressure+0x1a2/0x340
[  314.081281]  do_try_to_free_pages+0x3e7/0x1290
[  314.085872]  ? zap_class+0x640/0x640
[  314.089613]  ? shrink_node+0x16b0/0x16b0
[  314.093677]  ? __lock_is_held+0xb5/0x140
[  314.097754]  try_to_free_pages+0x4d0/0xb90
[  314.101995]  ? do_try_to_free_pages+0x1290/0x1290
[  314.106860]  ? lock_acquire+0x1ed/0x520
[  314.110841]  ? set_page_refcounted+0x280/0x280
[  314.115440]  ? lock_release+0xa00/0xa00
[  314.119417]  ? _raw_spin_unlock_irq+0x60/0x80
[  314.123938]  ? psi_memstall_enter+0x240/0x2b0
[  314.128441]  ? psi_memstall_tick+0x230/0x230
[  314.132874]  __alloc_pages_slowpath+0xa14/0x2e10
[  314.137666]  ? warn_alloc+0x120/0x120
[  314.141466]  ? mark_held_locks+0x130/0x130
[  314.145709]  ? find_get_entry+0xaae/0x1120
[  314.149958]  ? filemap_map_pages+0x1a20/0x1a20
[  314.154551]  ? zap_class+0x640/0x640
[  314.158271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.163814]  ? check_preemption_disabled+0x48/0x280
[  314.168836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.174382]  ? should_fail+0x22d/0xd01
[  314.178277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.183385]  ? zap_class+0x640/0x640
[  314.187129]  ? __lock_is_held+0xb5/0x140
[  314.191204]  ? mark_held_locks+0x130/0x130
[  314.195445]  ? lock_release+0xa00/0xa00
[  314.199421]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.204881]  ? xa_load+0x2ba/0x460
[  314.208423]  ? lock_downgrade+0x900/0x900
[  314.212579]  ? __might_sleep+0x95/0x190
[  314.216571]  __alloc_pages_nodemask+0xa80/0xde0
[  314.221254]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  314.226274]  ? __page_cache_alloc+0x191/0x5c0
[  314.230769]  ? xa_load+0x2e1/0x460
[  314.234311]  ? xa_clear_mark+0x40/0x40
[  314.238201]  ? zap_class+0x640/0x640
[  314.241933]  ? zap_class+0x640/0x640
[  314.245647]  ? zap_class+0x640/0x640
[  314.249367]  ? __do_page_cache_readahead+0x663/0x810
[  314.254476]  ? find_held_lock+0x36/0x1c0
[  314.258543]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  314.264090]  alloc_pages_current+0x173/0x350
[  314.268509]  __page_cache_alloc+0x38c/0x5c0
[  314.272831]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.277768]  ? kasan_check_read+0x11/0x20
[  314.281917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.287200]  ? generic_perform_write+0x6a0/0x6a0
[  314.291959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.297501]  ? check_preemption_disabled+0x48/0x280
[  314.302527]  filemap_fault+0x1595/0x25f0
[  314.306614]  ? __lock_page_or_retry+0xa00/0xa00
[  314.311289]  ? mark_held_locks+0x130/0x130
[  314.315533]  ? filemap_map_pages+0xd6b/0x1a20
[  314.320036]  ? lock_downgrade+0x900/0x900
[  314.324186]  ? check_preemption_disabled+0x48/0x280
[  314.329211]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.334145]  ? kasan_check_read+0x11/0x20
[  314.338296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.343575]  ? rcu_softirq_qs+0x20/0x20
[  314.347572]  ? filemap_map_pages+0xd92/0x1a20
[  314.352094]  ? find_get_entries_tag+0x1400/0x1400
[  314.356944]  ? debug_object_destroy+0x2b0/0x2b0
[  314.361626]  ? lock_pi_update_atomic+0x150/0x150
[  314.366387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.371941]  ? lock_acquire+0x1ed/0x520
[  314.375914]  ? ext4_filemap_fault+0x7a/0xad
[  314.380246]  ? lock_release+0xa00/0xa00
[  314.384221]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.389678]  ? print_usage_bug+0xc0/0xc0
[  314.393743]  ? print_usage_bug+0xc0/0xc0
[  314.397816]  ? down_read+0x8d/0x120
[  314.401444]  ? ext4_filemap_fault+0x7a/0xad
[  314.405768]  ? __down_interruptible+0x700/0x700
[  314.410451]  ext4_filemap_fault+0x82/0xad
[  314.414616]  __do_fault+0x100/0x6b0
[  314.418246]  ? find_held_lock+0x36/0x1c0
[  314.422313]  ? pmd_devmap_trans_unstable+0x220/0x220
[  314.427453]  ? mark_held_locks+0x130/0x130
[  314.431723]  ? mark_held_locks+0x130/0x130
[  314.435961]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.440458]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.444955]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  314.449542]  ? kasan_check_read+0x11/0x20
[  314.453696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.459243]  __handle_mm_fault+0x3ea6/0x5be0
[  314.463663]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  314.468510]  ? finish_task_switch+0x1f4/0x910
[  314.473004]  ? finish_task_switch+0x1b4/0x910
[  314.477502]  ? __switch_to_asm+0x34/0x70
[  314.481568]  ? preempt_notifier_register+0x200/0x200
[  314.486681]  ? __switch_to_asm+0x34/0x70
[  314.490745]  ? __switch_to_asm+0x34/0x70
[  314.494823]  ? zap_class+0x640/0x640
[  314.498544]  ? zap_class+0x640/0x640
[  314.502263]  ? __x64_sys_futex+0x53e/0x6a0
[  314.506505]  ? find_held_lock+0x36/0x1c0
[  314.510582]  ? handle_mm_fault+0x42a/0xc70
[  314.514830]  ? lock_downgrade+0x900/0x900
[  314.518991]  ? check_preemption_disabled+0x48/0x280
[  314.524014]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.528950]  ? kasan_check_read+0x11/0x20
[  314.533102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.538385]  ? rcu_softirq_qs+0x20/0x20
[  314.542361]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.547470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.553016]  ? check_preemption_disabled+0x48/0x280
[  314.558045]  handle_mm_fault+0x54f/0xc70
[  314.562112]  ? __handle_mm_fault+0x5be0/0x5be0
[  314.566701]  ? find_vma+0x34/0x190
[  314.570246]  __do_page_fault+0x5e8/0xe60
[  314.574310]  ? trace_hardirqs_off+0xb8/0x310
[  314.578731]  do_page_fault+0xf2/0x7e0
[  314.582538]  ? vmalloc_sync_all+0x30/0x30
[  314.586690]  ? error_entry+0x70/0xd0
[  314.590408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.595440]  ? trace_hardirqs_on_caller+0xc0/0x310
[  314.600369]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.605298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.610142]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.615163]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.620627]  ? prepare_exit_to_usermode+0x291/0x3b0
[  314.625649]  ? page_fault+0x8/0x30
[  314.629193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.634042]  ? page_fault+0x8/0x30
[  314.637781]  page_fault+0x1e/0x30
[  314.641238] RIP: 0033:0x40f9c0
[  314.644444] Code: Bad RIP value.
[  314.647806] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  314.653169] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  314.660437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  314.667708] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  314.674974] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  314.682243] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  314.689550] warn_alloc_show_mem: 1 callbacks suppressed
[  314.689561] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  314.689563] Mem-Info:
[  314.689634] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  314.689634]  active_file:14 inactive_file:15 isolated_file:0
[  314.689634]  unevictable:0 dirty:0 writeback:0 unstable:0
[  314.689634]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  314.689634]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  314.689634]  free:13731 free_pcp:182 free_cma:0
[  314.694972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.701908] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  314.704306] Call Trace:
[  314.737351] 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
[  314.746702]  <IRQ>
[  314.774539] lowmem_reserve[]: 0 2818 6321 6321
[  314.777128]  dump_stack+0x244/0x39d
[  314.803213] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  314.805371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.809921] lowmem_reserve[]: 0 0 3503 3503
[  314.813550]  warn_alloc.cold.116+0xb7/0x1bd
[  314.841294] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  314.846492]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.850795] lowmem_reserve[]: 0 0 0 0
[  314.855113]  ? lock_downgrade+0x900/0x900
[  314.884070] 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
[  314.888917]  ? trace_hardirqs_off+0xb8/0x310
[  314.892688] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  314.896836]  ? trace_hardirqs_off+0xb8/0x310
[  314.910335] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  314.914755]  __alloc_pages_slowpath+0x26e8/0x2e10
[  314.929902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  314.934324]  ? warn_alloc+0x120/0x120
[  314.949634] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  314.954476]  ? print_usage_bug+0xc0/0xc0
[  314.963285] 2704 total pagecache pages
[  314.967079]  ? warn_alloc+0x120/0x120
[  314.975640] 0 pages in swap cache
[  314.979691]  ? warn_alloc+0x120/0x120
[  314.983557] Swap cache stats: add 0, delete 0, find 0/0
[  314.987347]  ? print_usage_bug+0xc0/0xc0
[  314.990776] Free swap  = 0kB
[  314.994569]  ? kvm_clock_read+0x18/0x30
[  314.999909] Total swap = 0kB
[  315.003967]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.006962] 1965979 pages RAM
[  315.010935]  ? print_usage_bug+0xc0/0xc0
[  315.013930] 0 pages HighMem/MovableOnly
[  315.018943]  ? __lock_acquire+0x62f/0x4c20
[  315.022024] 342858 pages reserved
[  315.026080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.030024] 0 pages cma reserved
[  315.034256]  ? should_fail+0x22d/0xd01
[  315.037745] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.043224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.043243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.046710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.050473]  ? __lock_acquire+0x62f/0x4c20
[  315.056940] syz-fuzzer cpuset=/ mems_allowed=0
[  315.062210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.091387]  ? __lock_acquire+0x62f/0x4c20
[  315.095635]  ? should_fail+0x22d/0xd01
[  315.099527]  ? rcu_irq_exit+0x1a2/0x390
[  315.103519]  ? mark_held_locks+0x130/0x130
[  315.107760]  ? mark_held_locks+0x130/0x130
[  315.112007]  ? mark_held_locks+0xc7/0x130
[  315.116159]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  315.121183]  ? zap_class+0x640/0x640
[  315.124898]  ? print_usage_bug+0xc0/0xc0
[  315.128973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.134518]  ? check_preemption_disabled+0x48/0x280
[  315.139552]  ? __lock_is_held+0xb5/0x140
[  315.143631]  __alloc_pages_nodemask+0xa80/0xde0
[  315.148308]  ? zap_class+0x640/0x640
[  315.152047]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  315.157086]  ? find_held_lock+0x36/0x1c0
[  315.161160]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.165837]  ? lock_downgrade+0x900/0x900
[  315.169998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.175546]  cache_grow_begin+0xa5/0x8c0
[  315.179621]  ? do_raw_spin_unlock+0xa7/0x330
[  315.184041]  fallback_alloc+0x204/0x2e0
[  315.188027]  ____cache_alloc_node+0x1c7/0x1e0
[  315.192535]  kmem_cache_alloc_node+0xe3/0x730
[  315.197034]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.201283]  __alloc_skb+0x119/0x770
[  315.205001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.210295]  ? netdev_alloc_frag+0x1f0/0x1f0
[  315.214710]  ? lock_downgrade+0x900/0x900
[  315.218871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.224416]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.229879]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.235337]  ? addrconf_rs_timer+0x690/0x690
[  315.239767]  ndisc_alloc_skb+0x144/0x340
[  315.243840]  ndisc_send_rs+0x331/0x6e0
[  315.247736]  addrconf_rs_timer+0x314/0x690
[  315.251979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.256226]  call_timer_fn+0x272/0x920
[  315.260117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.264360]  ? process_timeout+0x40/0x40
[  315.268432]  ? __run_timers+0x7da/0xc70
[  315.272413]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.276915]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.281411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.285655]  ? lockdep_hardirqs_on+0x296/0x5b0
[  315.290243]  ? trace_hardirqs_on+0xbd/0x310
[  315.294566]  ? kasan_check_read+0x11/0x20
[  315.298725]  ? __run_timers+0x7da/0xc70
[  315.302708]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.307816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.312064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.316299]  __run_timers+0x7e5/0xc70
[  315.320112]  ? timer_fixup_init+0x70/0x70
[  315.324266]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.329285]  ? zap_class+0x640/0x640
[  315.333004]  ? enqueue_hrtimer+0x1a5/0x560
[  315.337245]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.342445]  ? find_held_lock+0x36/0x1c0
[  315.346518]  ? zap_class+0x640/0x640
[  315.350237]  ? pvclock_read_flags+0x160/0x160
[  315.354737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.360278]  ? check_preemption_disabled+0x48/0x280
[  315.365307]  ? __lock_is_held+0xb5/0x140
[  315.369377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.374920]  ? check_preemption_disabled+0x48/0x280
[  315.379948]  run_timer_softirq+0x52/0xb0
[  315.384016]  ? rcu_read_lock_sched_held+0x14f/0x180
[  315.389035]  __do_softirq+0x308/0xb7e
[  315.392847]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  315.397349]  ? lock_downgrade+0x900/0x900
[  315.401507]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  315.406673]  ? pvclock_read_flags+0x160/0x160
[  315.411173]  ? lapic_next_event+0x5a/0x90
[  315.415328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.420880]  ? kvm_clock_read+0x18/0x30
[  315.424855]  ? kvm_sched_clock_read+0x9/0x20
[  315.429273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.434814]  ? check_preemption_disabled+0x48/0x280
[  315.439848]  irq_exit+0x17f/0x1c0
[  315.443309]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.448155]  ? smp_reschedule_interrupt+0x109/0x650
[  315.453176]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.459063]  ? interrupt_entry+0xb5/0xc0
[  315.463133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.468153]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.473172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.478023]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.483043]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.488065]  ? task_prio+0x50/0x50
[  315.491617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.497160]  ? check_preemption_disabled+0x48/0x280
[  315.502185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.507042]  apic_timer_interrupt+0xf/0x20
[  315.511284]  </IRQ>
[  315.513525] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.518456] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  315.537365] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  315.545073] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  315.552341] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  315.559617] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  315.566887] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  315.574156] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  315.581469]  skb_clone+0x1bb/0x500
[  315.585014]  ? finish_task_switch+0x1b4/0x910
[  315.589508]  ? skb_split+0x11e0/0x11e0
[  315.593400]  ? preempt_notifier_register+0x200/0x200
[  315.598507]  ? __switch_to_asm+0x34/0x70
[  315.602571]  ? __switch_to_asm+0x34/0x70
[  315.606643]  ? __switch_to_asm+0x40/0x70
[  315.610705]  ? __switch_to_asm+0x34/0x70
[  315.614768]  ? __switch_to_asm+0x40/0x70
[  315.618831]  ? __switch_to_asm+0x34/0x70
[  315.622890]  ? __switch_to_asm+0x40/0x70
[  315.626955]  ? __switch_to_asm+0x34/0x70
[  315.631017]  ? __switch_to_asm+0x34/0x70
[  315.635077]  ? __switch_to_asm+0x40/0x70
[  315.639299]  ? __switch_to_asm+0x34/0x70
[  315.643374]  bpf_clone_redirect+0xb9/0x490
[  315.647621]  ? __schedule+0x8d7/0x21d0
[  315.651519]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  315.656541]  ? __sched_text_start+0x8/0x8
[  315.660692]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.665461]  ? find_held_lock+0x36/0x1c0
[  315.669534]  ? lock_acquire+0x1ed/0x520
[  315.673509]  ? bpf_test_run+0x3cb/0x780
[  315.677488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.683031]  ? check_preemption_disabled+0x48/0x280
[  315.688061]  ? kasan_check_read+0x11/0x20
[  315.692214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.697495]  ? rcu_softirq_qs+0x20/0x20
[  315.701474]  ? preempt_schedule+0x4d/0x60
[  315.705633]  ? ___preempt_schedule+0x16/0x18
[  315.710049]  ? bpf_test_run+0x25d/0x780
[  315.714036]  ? netlink_diag_dump+0x2a0/0x2a0
[  315.718456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.724001]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  315.728768]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  315.733618]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  315.739160]  ? fput+0x130/0x1a0
[  315.742443]  ? __bpf_prog_get+0x9b/0x290
[  315.746507]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  315.751350]  ? bpf_prog_test_run+0x130/0x1a0
[  315.755774]  ? __x64_sys_bpf+0x3d8/0x520
[  315.759836]  ? bpf_prog_get+0x20/0x20
[  315.763658]  ? do_syscall_64+0x1b9/0x820
[  315.767722]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  315.773547]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.778482]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.783500]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.788518]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  315.795188]  ? __switch_to_asm+0x40/0x70
[  315.799253]  ? __switch_to_asm+0x34/0x70
[  315.803319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.808171]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  315.813555] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  315.813634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.820146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.820151] Call Trace:
[  315.820158]  <IRQ>
[  315.820174]  dump_stack+0x244/0x39d
[  315.820193]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.826756] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.836031]  warn_alloc.cold.116+0xb7/0x1bd
[  315.838581] syz-executor1 cpuset=syz1 mems_allowed=0
[  315.840732]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.874212]  ? lock_downgrade+0x900/0x900
[  315.878369]  ? trace_hardirqs_off+0xb8/0x310
[  315.882788]  ? trace_hardirqs_off+0xb8/0x310
[  315.887209]  __alloc_pages_slowpath+0x26e8/0x2e10
[  315.892086]  ? warn_alloc+0x120/0x120
[  315.895893]  ? print_usage_bug+0xc0/0xc0
[  315.899960]  ? warn_alloc+0x120/0x120
[  315.903772]  ? warn_alloc+0x120/0x120
[  315.907579]  ? print_usage_bug+0xc0/0xc0
[  315.911651]  ? kvm_clock_read+0x18/0x30
[  315.915639]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.920664]  ? print_usage_bug+0xc0/0xc0
[  315.924731]  ? __lock_acquire+0x62f/0x4c20
[  315.928977]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.934516]  ? should_fail+0x22d/0xd01
[  315.938402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.943692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.948798]  ? __lock_acquire+0x62f/0x4c20
[  315.953042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.958151]  ? __lock_acquire+0x62f/0x4c20
[  315.962393]  ? should_fail+0x22d/0xd01
[  315.966284]  ? rcu_irq_exit+0x1a2/0x390
[  315.970272]  ? mark_held_locks+0x130/0x130
[  315.974512]  ? mark_held_locks+0x130/0x130
[  315.978753]  ? mark_held_locks+0xc7/0x130
[  315.982905]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  315.987923]  ? zap_class+0x640/0x640
[  315.991638]  ? print_usage_bug+0xc0/0xc0
[  315.995706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.001251]  ? check_preemption_disabled+0x48/0x280
[  316.006285]  ? __lock_is_held+0xb5/0x140
[  316.010356]  __alloc_pages_nodemask+0xa80/0xde0
[  316.015030]  ? zap_class+0x640/0x640
[  316.018753]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  316.023784]  ? find_held_lock+0x36/0x1c0
[  316.027870]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.032544]  ? lock_downgrade+0x900/0x900
[  316.036703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.042246]  cache_grow_begin+0xa5/0x8c0
[  316.046308]  ? do_raw_spin_unlock+0xa7/0x330
[  316.050726]  fallback_alloc+0x204/0x2e0
[  316.054711]  ____cache_alloc_node+0x1c7/0x1e0
[  316.059217]  kmem_cache_alloc_node+0xe3/0x730
[  316.063713]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.067961]  __alloc_skb+0x119/0x770
[  316.071678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.076964]  ? netdev_alloc_frag+0x1f0/0x1f0
[  316.081372]  ? lock_downgrade+0x900/0x900
[  316.085531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.091070]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.096530]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.101980]  ? addrconf_rs_timer+0x690/0x690
[  316.106401]  ndisc_alloc_skb+0x144/0x340
[  316.110471]  ndisc_send_rs+0x331/0x6e0
[  316.114364]  addrconf_rs_timer+0x314/0x690
[  316.118613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.122868]  call_timer_fn+0x272/0x920
[  316.126754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.131047]  ? process_timeout+0x40/0x40
[  316.135119]  ? mark_held_locks+0xc7/0x130
[  316.139273]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.143767]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.148261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.152496]  ? lockdep_hardirqs_on+0x296/0x5b0
[  316.157082]  ? trace_hardirqs_on+0xbd/0x310
[  316.161405]  ? kasan_check_read+0x11/0x20
[  316.165556]  ? __run_timers+0x7da/0xc70
[  316.169532]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.174646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.178885]  __run_timers+0x7e5/0xc70
[  316.182699]  ? timer_fixup_init+0x70/0x70
[  316.186862]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.191885]  ? zap_class+0x640/0x640
[  316.195614]  ? print_usage_bug+0xc0/0xc0
[  316.199681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.204883]  ? find_held_lock+0x36/0x1c0
[  316.208955]  ? zap_class+0x640/0x640
[  316.212678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.218219]  ? check_preemption_disabled+0x48/0x280
[  316.223250]  ? __lock_is_held+0xb5/0x140
[  316.227314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.232943]  ? check_preemption_disabled+0x48/0x280
[  316.237966]  run_timer_softirq+0x52/0xb0
[  316.242029]  ? rcu_read_lock_sched_held+0x14f/0x180
[  316.247046]  __do_softirq+0x308/0xb7e
[  316.250852]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  316.255355]  ? lock_downgrade+0x900/0x900
[  316.259517]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  316.264638]  ? pvclock_read_flags+0x160/0x160
[  316.269139]  ? lapic_next_event+0x5a/0x90
[  316.273296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.278840]  ? kvm_clock_read+0x18/0x30
[  316.282820]  ? kvm_sched_clock_read+0x9/0x20
[  316.287237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.292800]  ? check_preemption_disabled+0x48/0x280
[  316.297829]  irq_exit+0x17f/0x1c0
[  316.301292]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.306139]  ? smp_reschedule_interrupt+0x109/0x650
[  316.311162]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.317047]  ? interrupt_entry+0xb5/0xc0
[  316.321112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.326135]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.331159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.336003]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.341040]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.346060]  ? task_prio+0x50/0x50
[  316.349616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.355157]  ? check_preemption_disabled+0x48/0x280
[  316.360199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.365054]  apic_timer_interrupt+0xf/0x20
[  316.369282]  </IRQ>
[  316.371528] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  316.377675] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  316.396581] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  316.404298] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  316.411565] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  316.418840] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  316.426116] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  316.433383] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  316.440672]  ? unlock_page+0x25d/0x4c0
[  316.444572]  unlock_page+0x25d/0x4c0
[  316.448295]  ? wake_up_page_bit+0x6f0/0x6f0
[  316.452630]  ? shrink_page_list+0x7e68/0xccd0
[  316.457130]  ? shrink_page_list+0x7e68/0xccd0
[  316.461634]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.466225]  ? shrink_inactive_list+0x77b/0x1c60
[  316.470986]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.476099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.481643]  ? check_preemption_disabled+0x48/0x280
[  316.486662]  ? shrink_page_list+0x145c/0xccd0
[  316.491164]  shrink_page_list+0x3714/0xccd0
[  316.495513]  ? page_evictable+0x540/0x540
[  316.499842]  ? rb_erase_cached+0xc78/0x3720
[  316.504169]  ? rb_erase_cached+0xc78/0x3720
[  316.508498]  ? rb_next+0x140/0x140
[  316.512042]  ? rb_next+0x140/0x140
[  316.515589]  ? rb_next+0x140/0x140
[  316.519217]  ? zap_class+0x640/0x640
[  316.522932]  ? zap_class+0x640/0x640
[  316.526643]  ? zap_class+0x640/0x640
[  316.530357]  ? zap_class+0x640/0x640
[  316.534070]  ? __update_load_avg_se+0x5eb/0xae0
[  316.538748]  ? __update_load_avg_blocked_se+0x690/0x690
[  316.544119]  ? __update_load_avg_se+0xae0/0xae0
[  316.548786]  ? zap_class+0x640/0x640
[  316.552510]  ? update_load_avg+0x387/0x2470
[  316.556840]  ? attach_entity_load_avg+0x860/0x860
[  316.561727]  ? update_load_avg+0x387/0x2470
[  316.566060]  ? attach_entity_load_avg+0x860/0x860
[  316.570911]  ? attach_entity_load_avg+0x860/0x860
[  316.575764]  ? attach_entity_load_avg+0x860/0x860
[  316.580619]  ? rb_erase+0x3710/0x3710
[  316.584425]  ? rb_erase+0x3710/0x3710
[  316.588230]  ? rb_erase+0x3710/0x3710
[  316.592038]  ? rb_erase+0x3710/0x3710
[  316.595849]  ? rb_erase+0x3710/0x3710
[  316.599665]  ? __lock_acquire+0x62f/0x4c20
[  316.603915]  ? zap_class+0x640/0x640
[  316.607632]  ? print_usage_bug+0xc0/0xc0
[  316.611694]  ? zap_class+0x640/0x640
[  316.615411]  ? zap_class+0x640/0x640
[  316.619131]  ? print_usage_bug+0xc0/0xc0
[  316.623201]  ? print_usage_bug+0xc0/0xc0
[  316.627263]  ? zap_class+0x640/0x640
[  316.630982]  ? __lock_is_held+0xb5/0x140
[  316.635059]  ? print_usage_bug+0xc0/0xc0
[  316.639129]  ? __lock_acquire+0x62f/0x4c20
[  316.643373]  ? mark_held_locks+0x130/0x130
[  316.647617]  ? print_usage_bug+0xc0/0xc0
[  316.651689]  ? rb_erase_cached+0xc78/0x3720
[  316.656026]  ? rb_next+0x140/0x140
[  316.659570]  ? rb_next+0x140/0x140
[  316.663119]  ? __lock_acquire+0x62f/0x4c20
[  316.667362]  ? __lock_acquire+0x62f/0x4c20
[  316.671609]  ? rcu_note_context_switch+0x12ad/0x2150
[  316.676720]  ? print_usage_bug+0xc0/0xc0
[  316.680796]  ? mark_held_locks+0x130/0x130
[  316.685038]  ? zap_class+0x640/0x640
[  316.688756]  ? print_usage_bug+0xc0/0xc0
[  316.692820]  ? put_dec+0x3b/0xf0
[  316.696207]  ? rb_next+0x140/0x140
[  316.699752]  ? __lock_acquire+0x62f/0x4c20
[  316.703995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.709540]  ? check_preemption_disabled+0x48/0x280
[  316.714575]  ? print_usage_bug+0xc0/0xc0
[  316.718651]  ? rb_erase_cached+0xc78/0x3720
[  316.722986]  ? rb_next+0x140/0x140
[  316.726539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.732081]  ? __isolate_lru_page+0xd05/0x1540
[  316.736675]  ? print_usage_bug+0xc0/0xc0
[  316.740741]  ? mark_held_locks+0x130/0x130
[  316.744994]  ? zap_class+0x640/0x640
[  316.748716]  ? update_load_avg+0x13b8/0x2470
[  316.753135]  ? print_usage_bug+0xc0/0xc0
[  316.757204]  ? zap_class+0x640/0x640
[  316.760925]  ? __lock_acquire+0x62f/0x4c20
[  316.765167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.770708]  ? check_preemption_disabled+0x48/0x280
[  316.775736]  ? __update_load_avg_blocked_se+0x690/0x690
[  316.781104]  ? __update_load_avg_se+0xae0/0xae0
[  316.785772]  ? zap_class+0x640/0x640
[  316.789498]  ? update_load_avg+0x387/0x2470
[  316.793830]  ? attach_entity_load_avg+0x860/0x860
[  316.798690]  ? update_load_avg+0x387/0x2470
[  316.803015]  ? attach_entity_load_avg+0x860/0x860
[  316.807866]  ? attach_entity_load_avg+0x860/0x860
[  316.812721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.818259]  ? __isolate_lru_page+0xd05/0x1540
[  316.822845]  ? putback_lru_page+0x280/0x280
[  316.827175]  ? rb_erase+0x3710/0x3710
[  316.830991]  ? mark_held_locks+0x130/0x130
[  316.835232]  ? cpuacct_charge+0x265/0x440
[  316.839387]  ? find_held_lock+0x36/0x1c0
[  316.843474]  ? zap_class+0x640/0x640
[  316.847190]  ? print_usage_bug+0xc0/0xc0
[  316.851250]  ? zap_class+0x640/0x640
[  316.854967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.859904]  ? kasan_check_read+0x11/0x20
[  316.864054]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.869337]  ? zap_class+0x640/0x640
[  316.873054]  ? __lock_is_held+0xb5/0x140
[  316.877123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.882665]  ? check_preemption_disabled+0x48/0x280
[  316.887696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.893236]  ? check_preemption_disabled+0x48/0x280
[  316.898256]  ? __lock_is_held+0xb5/0x140
[  316.902321]  ? __this_cpu_preempt_check+0x1c/0x20
[  316.907169]  ? __mod_zone_page_state+0x8a/0xf0
[  316.911764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.917306]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  316.922518]  ? __isolate_lru_page+0x1540/0x1540
[  316.927208]  ? zap_class+0x640/0x640
[  316.930931]  ? print_usage_bug+0xc0/0xc0
[  316.935000]  ? __account_cfs_rq_runtime+0x790/0x790
[  316.940025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.945571]  ? find_held_lock+0x36/0x1c0
[  316.949648]  ? zap_class+0x640/0x640
[  316.953369]  ? print_usage_bug+0xc0/0xc0
[  316.957433]  ? mark_held_locks+0xc7/0x130
[  316.961590]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.966107]  ? zap_class+0x640/0x640
[  316.969826]  ? print_usage_bug+0xc0/0xc0
[  316.973900]  ? mark_held_locks+0xc7/0x130
[  316.978056]  ? find_held_lock+0x36/0x1c0
[  316.982132]  ? mark_held_locks+0xc7/0x130
[  316.986289]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.990785]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.995286]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.999876]  ? trace_hardirqs_on+0xbd/0x310
[  317.004199]  ? kasan_check_read+0x11/0x20
[  317.008347]  ? shrink_inactive_list+0x741/0x1c60
[  317.013106]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.018214]  ? trace_hardirqs_on+0x310/0x310
[  317.022632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.028176]  ? check_preemption_disabled+0x48/0x280
[  317.033201]  shrink_inactive_list+0x77b/0x1c60
[  317.037799]  ? putback_inactive_pages+0x27e0/0x27e0
[  317.042821]  ? kasan_check_read+0x11/0x20
[  317.046971]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  317.052248]  ? __rcu_read_unlock+0x2d6/0x2e0
[  317.056661]  ? blk_lld_busy+0x70/0x70
[  317.060463]  ? kasan_check_read+0x11/0x20
[  317.064642]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  317.069586]  shrink_node_memcg+0x78b/0x18f0
[  317.073934]  ? shrink_active_list+0x1f00/0x1f00
[  317.078650]  ? lock_downgrade+0x900/0x900
[  317.082799]  ? check_flush_dependency+0x410/0x410
[  317.087649]  ? kasan_check_read+0x11/0x20
[  317.091800]  ? do_raw_spin_unlock+0xa7/0x330
[  317.096218]  ? ___preempt_schedule+0x16/0x18
[  317.100644]  ? _raw_spin_unlock+0x3f/0x50
[  317.104802]  shrink_node+0x3bc/0x16b0
[  317.108630]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  317.113937]  ? shrink_node_memcg+0x18f0/0x18f0
[  317.118519]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.123106]  ? trace_hardirqs_on+0xbd/0x310
[  317.127429]  ? vmpressure+0x271/0x340
[  317.131239]  ? do_raw_spin_trylock+0x270/0x270
[  317.135828]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  317.141369]  ? __cpuset_node_allowed+0x19b/0x660
[  317.146131]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  317.151843]  ? vmpressure+0x1a2/0x340
[  317.155663]  do_try_to_free_pages+0x3e7/0x1290
[  317.160244]  ? zap_class+0x640/0x640
[  317.163976]  ? shrink_node+0x16b0/0x16b0
[  317.168044]  ? __lock_is_held+0xb5/0x140
[  317.172126]  try_to_free_pages+0x4d0/0xb90
[  317.176368]  ? do_try_to_free_pages+0x1290/0x1290
[  317.181226]  ? lock_acquire+0x1ed/0x520
[  317.185208]  ? set_page_refcounted+0x280/0x280
[  317.189797]  ? lock_release+0xa00/0xa00
[  317.193777]  ? _raw_spin_unlock_irq+0x60/0x80
[  317.198278]  ? psi_memstall_enter+0x240/0x2b0
[  317.202774]  ? psi_memstall_tick+0x230/0x230
[  317.207202]  __alloc_pages_slowpath+0xa14/0x2e10
[  317.211990]  ? warn_alloc+0x120/0x120
[  317.215795]  ? mark_held_locks+0x130/0x130
[  317.220038]  ? find_get_entry+0xaae/0x1120
[  317.224288]  ? filemap_map_pages+0x1a20/0x1a20
[  317.228884]  ? zap_class+0x640/0x640
[  317.232616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.238161]  ? check_preemption_disabled+0x48/0x280
[  317.243180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.248722]  ? should_fail+0x22d/0xd01
[  317.252625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.257732]  ? zap_class+0x640/0x640
[  317.261476]  ? __lock_is_held+0xb5/0x140
[  317.265579]  ? mark_held_locks+0x130/0x130
[  317.269830]  ? lock_release+0xa00/0xa00
[  317.273816]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.279268]  ? xa_load+0x2ba/0x460
[  317.282816]  ? lock_downgrade+0x900/0x900
[  317.286973]  ? __might_sleep+0x95/0x190
[  317.290955]  __alloc_pages_nodemask+0xa80/0xde0
[  317.295645]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  317.300670]  ? __page_cache_alloc+0x191/0x5c0
[  317.305164]  ? xa_load+0x2e1/0x460
[  317.308708]  ? xa_clear_mark+0x40/0x40
[  317.312612]  ? zap_class+0x640/0x640
[  317.316340]  ? zap_class+0x640/0x640
[  317.320060]  ? zap_class+0x640/0x640
[  317.323777]  ? __do_page_cache_readahead+0x663/0x810
[  317.328893]  ? find_held_lock+0x36/0x1c0
[  317.332964]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  317.338512]  alloc_pages_current+0x173/0x350
[  317.342929]  __page_cache_alloc+0x38c/0x5c0
[  317.347249]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.352181]  ? kasan_check_read+0x11/0x20
[  317.356327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.361618]  ? generic_perform_write+0x6a0/0x6a0
[  317.366379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.371921]  ? check_preemption_disabled+0x48/0x280
[  317.376949]  filemap_fault+0x1595/0x25f0
[  317.381025]  ? __lock_page_or_retry+0xa00/0xa00
[  317.385702]  ? mark_held_locks+0x130/0x130
[  317.389947]  ? filemap_map_pages+0xd6b/0x1a20
[  317.394447]  ? lock_downgrade+0x900/0x900
[  317.398771]  ? check_preemption_disabled+0x48/0x280
[  317.403795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.408726]  ? kasan_check_read+0x11/0x20
[  317.412883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.418167]  ? rcu_softirq_qs+0x20/0x20
[  317.422155]  ? filemap_map_pages+0xd92/0x1a20
[  317.426667]  ? find_get_entries_tag+0x1400/0x1400
[  317.431516]  ? debug_object_destroy+0x2b0/0x2b0
[  317.436192]  ? lock_pi_update_atomic+0x150/0x150
[  317.440950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.446502]  ? lock_acquire+0x1ed/0x520
[  317.450481]  ? ext4_filemap_fault+0x7a/0xad
[  317.454811]  ? lock_release+0xa00/0xa00
[  317.458785]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.464242]  ? print_usage_bug+0xc0/0xc0
[  317.468308]  ? print_usage_bug+0xc0/0xc0
[  317.472388]  ? down_read+0x8d/0x120
[  317.476017]  ? ext4_filemap_fault+0x7a/0xad
[  317.480339]  ? __down_interruptible+0x700/0x700
[  317.485021]  ext4_filemap_fault+0x82/0xad
[  317.489172]  __do_fault+0x100/0x6b0
[  317.492804]  ? find_held_lock+0x36/0x1c0
[  317.496891]  ? pmd_devmap_trans_unstable+0x220/0x220
[  317.502004]  ? mark_held_locks+0x130/0x130
[  317.506242]  ? mark_held_locks+0x130/0x130
[  317.510484]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.514979]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.519476]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.524063]  ? kasan_check_read+0x11/0x20
[  317.528215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.533791]  __handle_mm_fault+0x3ea6/0x5be0
[  317.538217]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  317.543063]  ? finish_task_switch+0x1f4/0x910
[  317.547562]  ? finish_task_switch+0x1b4/0x910
[  317.552070]  ? __switch_to_asm+0x34/0x70
[  317.556140]  ? preempt_notifier_register+0x200/0x200
[  317.561244]  ? __switch_to_asm+0x34/0x70
[  317.565309]  ? __switch_to_asm+0x34/0x70
[  317.569389]  ? zap_class+0x640/0x640
[  317.573112]  ? zap_class+0x640/0x640
[  317.576827]  ? __x64_sys_futex+0x53e/0x6a0
[  317.581074]  ? find_held_lock+0x36/0x1c0
[  317.585151]  ? handle_mm_fault+0x42a/0xc70
[  317.589409]  ? lock_downgrade+0x900/0x900
[  317.593572]  ? check_preemption_disabled+0x48/0x280
[  317.598612]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.603547]  ? kasan_check_read+0x11/0x20
[  317.607697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.612973]  ? rcu_softirq_qs+0x20/0x20
[  317.616950]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.622056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.627610]  ? check_preemption_disabled+0x48/0x280
[  317.632646]  handle_mm_fault+0x54f/0xc70
[  317.637189]  ? __handle_mm_fault+0x5be0/0x5be0
[  317.641780]  ? find_vma+0x34/0x190
[  317.645331]  __do_page_fault+0x5e8/0xe60
[  317.649412]  ? trace_hardirqs_off+0xb8/0x310
[  317.653834]  do_page_fault+0xf2/0x7e0
[  317.657648]  ? vmalloc_sync_all+0x30/0x30
[  317.661802]  ? error_entry+0x70/0xd0
[  317.665520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.670537]  ? trace_hardirqs_on_caller+0xc0/0x310
[  317.675473]  ? syscall_return_slowpath+0x5e0/0x5e0
[  317.680403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.685251]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.690274]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.695735]  ? prepare_exit_to_usermode+0x291/0x3b0
[  317.700756]  ? page_fault+0x8/0x30
[  317.704303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.709155]  ? page_fault+0x8/0x30
[  317.712701]  page_fault+0x1e/0x30
[  317.716155] RIP: 0033:0x40f9c0
[  317.719360] Code: Bad RIP value.
[  317.722723] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  317.728082] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  317.735348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  317.742624] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  317.749894] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  317.757163] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  317.764454] warn_alloc_show_mem: 1 callbacks suppressed
[  317.764466] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  317.764468] Mem-Info:
[  317.764499] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  317.764499]  active_file:14 inactive_file:15 isolated_file:0
[  317.764499]  unevictable:0 dirty:0 writeback:0 unstable:0
[  317.764499]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  317.764499]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  317.764499]  free:13731 free_pcp:182 free_cma:0
[  317.770050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  317.770059] Call Trace:
[  317.777003] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  317.779410]  <IRQ>
[  317.812644] 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
[  317.822000]  dump_stack+0x244/0x39d
[  317.824557] lowmem_reserve[]: 0 2818 6321 6321
[  317.852400]  ? dump_stack_print_info.cold.1+0x20/0x20
[  317.854529] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  317.880649]  warn_alloc.cold.116+0xb7/0x1bd
[  317.884244] lowmem_reserve[]: 0 0 3503 3503
[  317.888826]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  317.893994] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  317.921757]  ? lock_downgrade+0x900/0x900
[  317.926052] lowmem_reserve[]: 0 0 0 0
[  317.930377]  ? trace_hardirqs_off+0xb8/0x310
[  317.935185] 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
[  317.964156]  ? trace_hardirqs_off+0xb8/0x310
[  317.968279] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  317.972078]  __alloc_pages_slowpath+0x26e8/0x2e10
[  317.976454] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  317.989991]  ? warn_alloc+0x120/0x120
[  317.994356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.009534]  ? print_usage_bug+0xc0/0xc0
[  318.014356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.029692]  ? warn_alloc+0x120/0x120
[  318.033470] 2704 total pagecache pages
[  318.042309]  ? warn_alloc+0x120/0x120
[  318.046381] 0 pages in swap cache
[  318.054941]  ? print_usage_bug+0xc0/0xc0
[  318.058721] Swap cache stats: add 0, delete 0, find 0/0
[  318.062605]  ? kvm_clock_read+0x18/0x30
[  318.066383] Free swap  = 0kB
[  318.069828]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  318.073863] Total swap = 0kB
[  318.079219]  ? print_usage_bug+0xc0/0xc0
[  318.083174] 1965979 pages RAM
[  318.086185]  ? __lock_acquire+0x62f/0x4c20
[  318.091181] 0 pages HighMem/MovableOnly
[  318.094194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.098230] 342858 pages reserved
[  318.101328]  ? should_fail+0x22d/0xd01
[  318.105539] 0 pages cma reserved
[  318.109508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.115086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.118468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.122392] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.125700]  ? __lock_acquire+0x62f/0x4c20
[  318.130950] syz-fuzzer cpuset=/ mems_allowed=0
[  318.137435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.166607]  ? __lock_acquire+0x62f/0x4c20
[  318.170845]  ? should_fail+0x22d/0xd01
[  318.174733]  ? rcu_irq_exit+0x1a2/0x390
[  318.178717]  ? mark_held_locks+0x130/0x130
[  318.182962]  ? mark_held_locks+0x130/0x130
[  318.187207]  ? mark_held_locks+0xc7/0x130
[  318.191363]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  318.196388]  ? zap_class+0x640/0x640
[  318.200107]  ? print_usage_bug+0xc0/0xc0
[  318.204178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.209723]  ? check_preemption_disabled+0x48/0x280
[  318.214785]  ? __lock_is_held+0xb5/0x140
[  318.218862]  __alloc_pages_nodemask+0xa80/0xde0
[  318.223534]  ? zap_class+0x640/0x640
[  318.227259]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  318.232290]  ? find_held_lock+0x36/0x1c0
[  318.236369]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.241043]  ? lock_downgrade+0x900/0x900
[  318.245313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.250859]  cache_grow_begin+0xa5/0x8c0
[  318.254922]  ? do_raw_spin_unlock+0xa7/0x330
[  318.259340]  fallback_alloc+0x204/0x2e0
[  318.263326]  ____cache_alloc_node+0x1c7/0x1e0
[  318.267837]  kmem_cache_alloc_node+0xe3/0x730
[  318.272334]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.276584]  __alloc_skb+0x119/0x770
[  318.280307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.285591]  ? netdev_alloc_frag+0x1f0/0x1f0
[  318.290015]  ? lock_downgrade+0x900/0x900
[  318.294179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.299721]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.305176]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.310630]  ? addrconf_rs_timer+0x690/0x690
[  318.315052]  ndisc_alloc_skb+0x144/0x340
[  318.319119]  ndisc_send_rs+0x331/0x6e0
[  318.323010]  addrconf_rs_timer+0x314/0x690
[  318.327255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.331503]  call_timer_fn+0x272/0x920
[  318.335408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.339644]  ? process_timeout+0x40/0x40
[  318.343714]  ? __run_timers+0x7da/0xc70
[  318.347695]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.352194]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.356692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.360928]  ? lockdep_hardirqs_on+0x296/0x5b0
[  318.365542]  ? trace_hardirqs_on+0xbd/0x310
[  318.369865]  ? kasan_check_read+0x11/0x20
[  318.374013]  ? __run_timers+0x7da/0xc70
[  318.377997]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.383106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.387351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.391603]  __run_timers+0x7e5/0xc70
[  318.395457]  ? timer_fixup_init+0x70/0x70
[  318.399633]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.404654]  ? zap_class+0x640/0x640
[  318.408378]  ? enqueue_hrtimer+0x1a5/0x560
[  318.412623]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.417825]  ? find_held_lock+0x36/0x1c0
[  318.421896]  ? zap_class+0x640/0x640
[  318.425628]  ? pvclock_read_flags+0x160/0x160
[  318.430135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.435678]  ? check_preemption_disabled+0x48/0x280
[  318.440711]  ? __lock_is_held+0xb5/0x140
[  318.444775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.450316]  ? check_preemption_disabled+0x48/0x280
[  318.455338]  run_timer_softirq+0x52/0xb0
[  318.459447]  ? rcu_read_lock_sched_held+0x14f/0x180
[  318.464460]  __do_softirq+0x308/0xb7e
[  318.468265]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  318.472762]  ? lock_downgrade+0x900/0x900
[  318.476913]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  318.482025]  ? pvclock_read_flags+0x160/0x160
[  318.486527]  ? lapic_next_event+0x5a/0x90
[  318.490678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.496225]  ? kvm_clock_read+0x18/0x30
[  318.500199]  ? kvm_sched_clock_read+0x9/0x20
[  318.504621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.510163]  ? check_preemption_disabled+0x48/0x280
[  318.515207]  irq_exit+0x17f/0x1c0
[  318.518672]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.523514]  ? smp_reschedule_interrupt+0x109/0x650
[  318.528533]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.534423]  ? interrupt_entry+0xb5/0xc0
[  318.538488]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.543506]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.548527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.553381]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.558402]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.563423]  ? task_prio+0x50/0x50
[  318.566970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.572509]  ? check_preemption_disabled+0x48/0x280
[  318.577533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.582389]  apic_timer_interrupt+0xf/0x20
[  318.586627]  </IRQ>
[  318.588872] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  318.593807] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  318.612712] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  318.620420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  318.627691] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  318.634963] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  318.642229] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  318.649495] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  318.656805]  skb_clone+0x1bb/0x500
[  318.660351]  ? finish_task_switch+0x1b4/0x910
[  318.664855]  ? skb_split+0x11e0/0x11e0
[  318.668748]  ? preempt_notifier_register+0x200/0x200
[  318.673857]  ? __switch_to_asm+0x34/0x70
[  318.677923]  ? __switch_to_asm+0x34/0x70
[  318.681987]  ? __switch_to_asm+0x40/0x70
[  318.686079]  ? __switch_to_asm+0x34/0x70
[  318.690142]  ? __switch_to_asm+0x40/0x70
[  318.694201]  ? __switch_to_asm+0x34/0x70
[  318.698260]  ? __switch_to_asm+0x40/0x70
[  318.702352]  ? __switch_to_asm+0x34/0x70
[  318.706417]  ? __switch_to_asm+0x34/0x70
[  318.710477]  ? __switch_to_asm+0x40/0x70
[  318.714540]  ? __switch_to_asm+0x34/0x70
[  318.718624]  bpf_clone_redirect+0xb9/0x490
[  318.722862]  ? __schedule+0x8d7/0x21d0
[  318.726763]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  318.731785]  ? __sched_text_start+0x8/0x8
[  318.735934]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.740706]  ? find_held_lock+0x36/0x1c0
[  318.744781]  ? lock_acquire+0x1ed/0x520
[  318.748757]  ? bpf_test_run+0x3cb/0x780
[  318.752739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.758277]  ? check_preemption_disabled+0x48/0x280
[  318.763300]  ? kasan_check_read+0x11/0x20
[  318.767457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.773199]  ? rcu_softirq_qs+0x20/0x20
[  318.777177]  ? preempt_schedule+0x4d/0x60
[  318.781326]  ? ___preempt_schedule+0x16/0x18
[  318.785746]  ? bpf_test_run+0x25d/0x780
[  318.789734]  ? netlink_diag_dump+0x2a0/0x2a0
[  318.794150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.799699]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  318.804464]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  318.809310]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  318.814850]  ? fput+0x130/0x1a0
[  318.818132]  ? __bpf_prog_get+0x9b/0x290
[  318.822201]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  318.827042]  ? bpf_prog_test_run+0x130/0x1a0
[  318.831453]  ? __x64_sys_bpf+0x3d8/0x520
[  318.835513]  ? bpf_prog_get+0x20/0x20
[  318.839338]  ? do_syscall_64+0x1b9/0x820
[  318.843404]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  318.848770]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.853704]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.858726]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  318.863746]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  318.870417]  ? __switch_to_asm+0x40/0x70
[  318.874477]  ? __switch_to_asm+0x34/0x70
[  318.878611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.883467]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  318.888851] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  318.888921] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.895435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.895440] Call Trace:
[  318.895446]  <IRQ>
[  318.895463]  dump_stack+0x244/0x39d
[  318.895481]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.902011] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.911316]  warn_alloc.cold.116+0xb7/0x1bd
[  318.913863] syz-executor1 cpuset=syz1 mems_allowed=0
[  318.916020]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.949514]  ? lock_downgrade+0x900/0x900
[  318.953674]  ? trace_hardirqs_off+0xb8/0x310
[  318.958090]  ? trace_hardirqs_off+0xb8/0x310
[  318.962511]  __alloc_pages_slowpath+0x26e8/0x2e10
[  318.967381]  ? warn_alloc+0x120/0x120
[  318.971185]  ? print_usage_bug+0xc0/0xc0
[  318.975249]  ? warn_alloc+0x120/0x120
[  318.979056]  ? warn_alloc+0x120/0x120
[  318.982866]  ? print_usage_bug+0xc0/0xc0
[  318.986933]  ? print_usage_bug+0xc0/0xc0
[  318.991028]  ? __lock_acquire+0x62f/0x4c20
[  318.995270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.000813]  ? should_fail+0x22d/0xd01
[  319.004712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.009816]  ? __lock_acquire+0x62f/0x4c20
[  319.014055]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.019162]  ? __lock_acquire+0x62f/0x4c20
[  319.023397]  ? should_fail+0x22d/0xd01
[  319.027284]  ? find_held_lock+0x36/0x1c0
[  319.031356]  ? mark_held_locks+0x130/0x130
[  319.035609]  ? mark_held_locks+0x130/0x130
[  319.039845]  ? zap_class+0x640/0x640
[  319.043564]  ? zap_class+0x640/0x640
[  319.047288]  ? print_usage_bug+0xc0/0xc0
[  319.051349]  ? do_raw_spin_unlock+0xa7/0x330
[  319.055763]  ? zap_class+0x640/0x640
[  319.059480]  ? print_usage_bug+0xc0/0xc0
[  319.063540]  ? wq_watchdog_touch+0x9c/0xfe
[  319.067783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.073322]  ? check_preemption_disabled+0x48/0x280
[  319.078389]  ? __lock_is_held+0xb5/0x140
[  319.082463]  __alloc_pages_nodemask+0xa80/0xde0
[  319.087138]  ? zap_class+0x640/0x640
[  319.090862]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  319.095898]  ? find_held_lock+0x36/0x1c0
[  319.099970]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.104642]  ? lock_downgrade+0x900/0x900
[  319.108802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.114367]  cache_grow_begin+0xa5/0x8c0
[  319.118430]  ? do_raw_spin_unlock+0xa7/0x330
[  319.122850]  fallback_alloc+0x204/0x2e0
[  319.126839]  ____cache_alloc_node+0x1c7/0x1e0
[  319.131345]  kmem_cache_alloc_node+0xe3/0x730
[  319.135841]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.140094]  __alloc_skb+0x119/0x770
[  319.143806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.149089]  ? netdev_alloc_frag+0x1f0/0x1f0
[  319.153509]  ? lock_downgrade+0x900/0x900
[  319.157665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.163204]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.168659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.174110]  ? addrconf_rs_timer+0x690/0x690
[  319.178528]  ndisc_alloc_skb+0x144/0x340
[  319.182606]  ndisc_send_rs+0x331/0x6e0
[  319.186499]  addrconf_rs_timer+0x314/0x690
[  319.190744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.194990]  call_timer_fn+0x272/0x920
[  319.198881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.203116]  ? process_timeout+0x40/0x40
[  319.207188]  ? mark_held_locks+0xc7/0x130
[  319.211345]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.215841]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.220338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.224574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  319.229171]  ? trace_hardirqs_on+0xbd/0x310
[  319.233493]  ? kasan_check_read+0x11/0x20
[  319.237641]  ? __run_timers+0x7da/0xc70
[  319.241624]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.246737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.250982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.255214]  __run_timers+0x7e5/0xc70
[  319.259112]  ? timer_fixup_init+0x70/0x70
[  319.263263]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  319.268280]  ? zap_class+0x640/0x640
[  319.272001]  ? print_usage_bug+0xc0/0xc0
[  319.276069]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  319.281268]  ? find_held_lock+0x36/0x1c0
[  319.285336]  ? zap_class+0x640/0x640
[  319.289061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.294613]  ? check_preemption_disabled+0x48/0x280
[  319.299642]  ? __lock_is_held+0xb5/0x140
[  319.303709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.309249]  ? check_preemption_disabled+0x48/0x280
[  319.314273]  run_timer_softirq+0x52/0xb0
[  319.318338]  ? rcu_read_lock_sched_held+0x14f/0x180
[  319.323355]  __do_softirq+0x308/0xb7e
[  319.327163]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  319.331660]  ? lock_downgrade+0x900/0x900
[  319.335813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  319.340925]  ? pvclock_read_flags+0x160/0x160
[  319.345424]  ? lapic_next_event+0x5a/0x90
[  319.349582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.355133]  ? kvm_clock_read+0x18/0x30
[  319.359107]  ? kvm_sched_clock_read+0x9/0x20
[  319.363521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.369065]  ? check_preemption_disabled+0x48/0x280
[  319.374090]  irq_exit+0x17f/0x1c0
[  319.377552]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.382397]  ? smp_reschedule_interrupt+0x109/0x650
[  319.387420]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.393305]  ? interrupt_entry+0xb5/0xc0
[  319.397374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.402394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.407417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.412263]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.417281]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.422302]  ? task_prio+0x50/0x50
[  319.425849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.431395]  ? check_preemption_disabled+0x48/0x280
[  319.436423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.441278]  apic_timer_interrupt+0xf/0x20
[  319.445504]  </IRQ>
[  319.447745] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  319.453896] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  319.472800] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  319.480509] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  319.487778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  319.495046] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  319.502312] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  319.509581] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  319.516881]  ? unlock_page+0x25d/0x4c0
[  319.520785]  unlock_page+0x25d/0x4c0
[  319.524507]  ? wake_up_page_bit+0x6f0/0x6f0
[  319.528829]  ? shrink_page_list+0x7e68/0xccd0
[  319.533328]  ? shrink_page_list+0x7e68/0xccd0
[  319.537825]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  319.542417]  ? shrink_inactive_list+0x77b/0x1c60
[  319.547177]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.552286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.557826]  ? check_preemption_disabled+0x48/0x280
[  319.562849]  ? shrink_page_list+0x145c/0xccd0
[  319.567356]  shrink_page_list+0x3714/0xccd0
[  319.571704]  ? page_evictable+0x540/0x540
[  319.576037]  ? rb_erase_cached+0xc78/0x3720
[  319.580361]  ? rb_erase_cached+0xc78/0x3720
[  319.584688]  ? rb_next+0x140/0x140
[  319.588240]  ? rb_next+0x140/0x140
[  319.591792]  ? rb_next+0x140/0x140
[  319.595407]  ? zap_class+0x640/0x640
[  319.599123]  ? zap_class+0x640/0x640
[  319.602841]  ? zap_class+0x640/0x640
[  319.606565]  ? zap_class+0x640/0x640
[  319.610284]  ? __update_load_avg_se+0x5eb/0xae0
[  319.614957]  ? __update_load_avg_blocked_se+0x690/0x690
[  319.620325]  ? __update_load_avg_se+0xae0/0xae0
[  319.624992]  ? zap_class+0x640/0x640
[  319.628720]  ? update_load_avg+0x387/0x2470
[  319.633055]  ? attach_entity_load_avg+0x860/0x860
[  319.638142]  ? update_load_avg+0x387/0x2470
[  319.642520]  ? attach_entity_load_avg+0x860/0x860
[  319.647368]  ? attach_entity_load_avg+0x860/0x860
[  319.652218]  ? attach_entity_load_avg+0x860/0x860
[  319.657066]  ? rb_erase+0x3710/0x3710
[  319.660875]  ? rb_erase+0x3710/0x3710
[  319.664681]  ? rb_erase+0x3710/0x3710
[  319.668484]  ? rb_erase+0x3710/0x3710
[  319.672289]  ? rb_erase+0x3710/0x3710
[  319.676100]  ? __lock_acquire+0x62f/0x4c20
[  319.680352]  ? zap_class+0x640/0x640
[  319.684069]  ? print_usage_bug+0xc0/0xc0
[  319.688130]  ? zap_class+0x640/0x640
[  319.691846]  ? zap_class+0x640/0x640
[  319.695569]  ? print_usage_bug+0xc0/0xc0
[  319.699643]  ? print_usage_bug+0xc0/0xc0
[  319.703708]  ? zap_class+0x640/0x640
[  319.707427]  ? __lock_is_held+0xb5/0x140
[  319.711502]  ? print_usage_bug+0xc0/0xc0
[  319.715576]  ? __lock_acquire+0x62f/0x4c20
[  319.719826]  ? mark_held_locks+0x130/0x130
[  319.724068]  ? print_usage_bug+0xc0/0xc0
[  319.728143]  ? rb_erase_cached+0xc78/0x3720
[  319.732504]  ? rb_next+0x140/0x140
[  319.736049]  ? rb_next+0x140/0x140
[  319.739603]  ? __lock_acquire+0x62f/0x4c20
[  319.743844]  ? __lock_acquire+0x62f/0x4c20
[  319.748084]  ? rcu_note_context_switch+0x12ad/0x2150
[  319.753191]  ? print_usage_bug+0xc0/0xc0
[  319.757267]  ? mark_held_locks+0x130/0x130
[  319.761510]  ? zap_class+0x640/0x640
[  319.765229]  ? print_usage_bug+0xc0/0xc0
[  319.769535]  ? put_dec+0x3b/0xf0
[  319.772927]  ? rb_next+0x140/0x140
[  319.776475]  ? __lock_acquire+0x62f/0x4c20
[  319.780717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.786256]  ? check_preemption_disabled+0x48/0x280
[  319.791291]  ? print_usage_bug+0xc0/0xc0
[  319.795361]  ? rb_erase_cached+0xc78/0x3720
[  319.799728]  ? rb_next+0x140/0x140
[  319.803280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.808822]  ? __isolate_lru_page+0xd05/0x1540
[  319.813422]  ? print_usage_bug+0xc0/0xc0
[  319.817486]  ? mark_held_locks+0x130/0x130
[  319.821723]  ? zap_class+0x640/0x640
[  319.825436]  ? update_load_avg+0x13b8/0x2470
[  319.829862]  ? print_usage_bug+0xc0/0xc0
[  319.833929]  ? zap_class+0x640/0x640
[  319.837648]  ? __lock_acquire+0x62f/0x4c20
[  319.841894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.847432]  ? check_preemption_disabled+0x48/0x280
[  319.852454]  ? __update_load_avg_blocked_se+0x690/0x690
[  319.857823]  ? __update_load_avg_se+0xae0/0xae0
[  319.862493]  ? zap_class+0x640/0x640
[  319.866218]  ? update_load_avg+0x387/0x2470
[  319.870637]  ? attach_entity_load_avg+0x860/0x860
[  319.875485]  ? update_load_avg+0x387/0x2470
[  319.879814]  ? attach_entity_load_avg+0x860/0x860
[  319.884660]  ? attach_entity_load_avg+0x860/0x860
[  319.889515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.895056]  ? __isolate_lru_page+0xd05/0x1540
[  319.899648]  ? putback_lru_page+0x280/0x280
[  319.903973]  ? rb_erase+0x3710/0x3710
[  319.907785]  ? mark_held_locks+0x130/0x130
[  319.912024]  ? cpuacct_charge+0x265/0x440
[  319.916183]  ? find_held_lock+0x36/0x1c0
[  319.920256]  ? zap_class+0x640/0x640
[  319.923975]  ? print_usage_bug+0xc0/0xc0
[  319.928043]  ? zap_class+0x640/0x640
[  319.931756]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.936691]  ? kasan_check_read+0x11/0x20
[  319.940847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.946141]  ? zap_class+0x640/0x640
[  319.949865]  ? __lock_is_held+0xb5/0x140
[  319.953937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.959476]  ? check_preemption_disabled+0x48/0x280
[  319.964522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.970060]  ? check_preemption_disabled+0x48/0x280
[  319.975075]  ? __lock_is_held+0xb5/0x140
[  319.979146]  ? __this_cpu_preempt_check+0x1c/0x20
[  319.983988]  ? __mod_zone_page_state+0x8a/0xf0
[  319.988577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.994125]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  319.999394]  ? __isolate_lru_page+0x1540/0x1540
[  320.004084]  ? zap_class+0x640/0x640
[  320.007806]  ? print_usage_bug+0xc0/0xc0
[  320.011873]  ? __account_cfs_rq_runtime+0x790/0x790
[  320.016900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.022448]  ? find_held_lock+0x36/0x1c0
[  320.026512]  ? zap_class+0x640/0x640
[  320.030232]  ? print_usage_bug+0xc0/0xc0
[  320.034293]  ? mark_held_locks+0xc7/0x130
[  320.038479]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.042984]  ? zap_class+0x640/0x640
[  320.046701]  ? print_usage_bug+0xc0/0xc0
[  320.050773]  ? mark_held_locks+0xc7/0x130
[  320.054934]  ? find_held_lock+0x36/0x1c0
[  320.059006]  ? mark_held_locks+0xc7/0x130
[  320.063160]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.067683]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.072182]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.076769]  ? trace_hardirqs_on+0xbd/0x310
[  320.081091]  ? kasan_check_read+0x11/0x20
[  320.085242]  ? shrink_inactive_list+0x741/0x1c60
[  320.090022]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.095127]  ? trace_hardirqs_on+0x310/0x310
[  320.099541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.105083]  ? check_preemption_disabled+0x48/0x280
[  320.110111]  shrink_inactive_list+0x77b/0x1c60
[  320.114712]  ? putback_inactive_pages+0x27e0/0x27e0
[  320.119735]  ? kasan_check_read+0x11/0x20
[  320.123898]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  320.129175]  ? __rcu_read_unlock+0x2d6/0x2e0
[  320.133585]  ? blk_lld_busy+0x70/0x70
[  320.137396]  ? kasan_check_read+0x11/0x20
[  320.141567]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  320.146557]  shrink_node_memcg+0x78b/0x18f0
[  320.150899]  ? shrink_active_list+0x1f00/0x1f00
[  320.155576]  ? lock_downgrade+0x900/0x900
[  320.159732]  ? check_flush_dependency+0x410/0x410
[  320.164580]  ? kasan_check_read+0x11/0x20
[  320.168734]  ? do_raw_spin_unlock+0xa7/0x330
[  320.173152]  ? ___preempt_schedule+0x16/0x18
[  320.177582]  ? _raw_spin_unlock+0x3f/0x50
[  320.181745]  shrink_node+0x3bc/0x16b0
[  320.185550]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  320.190862]  ? shrink_node_memcg+0x18f0/0x18f0
[  320.195446]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.200030]  ? trace_hardirqs_on+0xbd/0x310
[  320.204351]  ? vmpressure+0x271/0x340
[  320.208161]  ? do_raw_spin_trylock+0x270/0x270
[  320.212752]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  320.218292]  ? __cpuset_node_allowed+0x19b/0x660
[  320.223053]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  320.228766]  ? vmpressure+0x1a2/0x340
[  320.232622]  do_try_to_free_pages+0x3e7/0x1290
[  320.237222]  ? zap_class+0x640/0x640
[  320.240952]  ? shrink_node+0x16b0/0x16b0
[  320.245016]  ? __lock_is_held+0xb5/0x140
[  320.249097]  try_to_free_pages+0x4d0/0xb90
[  320.253338]  ? do_try_to_free_pages+0x1290/0x1290
[  320.258193]  ? lock_acquire+0x1ed/0x520
[  320.262171]  ? set_page_refcounted+0x280/0x280
[  320.266763]  ? lock_release+0xa00/0xa00
[  320.270745]  ? _raw_spin_unlock_irq+0x60/0x80
[  320.275239]  ? psi_memstall_enter+0x240/0x2b0
[  320.279735]  ? psi_memstall_tick+0x230/0x230
[  320.284156]  __alloc_pages_slowpath+0xa14/0x2e10
[  320.288955]  ? warn_alloc+0x120/0x120
[  320.292758]  ? mark_held_locks+0x130/0x130
[  320.297004]  ? find_get_entry+0xaae/0x1120
[  320.301254]  ? filemap_map_pages+0x1a20/0x1a20
[  320.305841]  ? zap_class+0x640/0x640
[  320.309557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.315100]  ? check_preemption_disabled+0x48/0x280
[  320.320145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.325682]  ? should_fail+0x22d/0xd01
[  320.329590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.334703]  ? zap_class+0x640/0x640
[  320.338444]  ? __lock_is_held+0xb5/0x140
[  320.342532]  ? mark_held_locks+0x130/0x130
[  320.346782]  ? lock_release+0xa00/0xa00
[  320.350757]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.356204]  ? xa_load+0x2ba/0x460
[  320.359751]  ? lock_downgrade+0x900/0x900
[  320.363909]  ? __might_sleep+0x95/0x190
[  320.367895]  __alloc_pages_nodemask+0xa80/0xde0
[  320.372572]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  320.377607]  ? __page_cache_alloc+0x191/0x5c0
[  320.382100]  ? xa_load+0x2e1/0x460
[  320.385669]  ? xa_clear_mark+0x40/0x40
[  320.389563]  ? zap_class+0x640/0x640
[  320.393307]  ? zap_class+0x640/0x640
[  320.397082]  ? zap_class+0x640/0x640
[  320.400803]  ? __do_page_cache_readahead+0x663/0x810
[  320.405912]  ? find_held_lock+0x36/0x1c0
[  320.409981]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.415525]  alloc_pages_current+0x173/0x350
[  320.419944]  __page_cache_alloc+0x38c/0x5c0
[  320.424266]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.429199]  ? kasan_check_read+0x11/0x20
[  320.433360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.438659]  ? generic_perform_write+0x6a0/0x6a0
[  320.443429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.448968]  ? check_preemption_disabled+0x48/0x280
[  320.453993]  filemap_fault+0x1595/0x25f0
[  320.458067]  ? __lock_page_or_retry+0xa00/0xa00
[  320.462741]  ? mark_held_locks+0x130/0x130
[  320.466987]  ? filemap_map_pages+0xd6b/0x1a20
[  320.471485]  ? lock_downgrade+0x900/0x900
[  320.475635]  ? check_preemption_disabled+0x48/0x280
[  320.480659]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.485591]  ? kasan_check_read+0x11/0x20
[  320.489792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.495072]  ? rcu_softirq_qs+0x20/0x20
[  320.499063]  ? filemap_map_pages+0xd92/0x1a20
[  320.503586]  ? find_get_entries_tag+0x1400/0x1400
[  320.508446]  ? debug_object_destroy+0x2b0/0x2b0
[  320.513149]  ? lock_pi_update_atomic+0x150/0x150
[  320.517908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.523460]  ? lock_acquire+0x1ed/0x520
[  320.527434]  ? ext4_filemap_fault+0x7a/0xad
[  320.531762]  ? lock_release+0xa00/0xa00
[  320.535735]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.541185]  ? print_usage_bug+0xc0/0xc0
[  320.545253]  ? print_usage_bug+0xc0/0xc0
[  320.549325]  ? down_read+0x8d/0x120
[  320.552953]  ? ext4_filemap_fault+0x7a/0xad
[  320.557273]  ? __down_interruptible+0x700/0x700
[  320.561974]  ext4_filemap_fault+0x82/0xad
[  320.566127]  __do_fault+0x100/0x6b0
[  320.569759]  ? find_held_lock+0x36/0x1c0
[  320.573826]  ? pmd_devmap_trans_unstable+0x220/0x220
[  320.578941]  ? mark_held_locks+0x130/0x130
[  320.583178]  ? mark_held_locks+0x130/0x130
[  320.587413]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.591910]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.596406]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.600998]  ? kasan_check_read+0x11/0x20
[  320.605152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.610696]  __handle_mm_fault+0x3ea6/0x5be0
[  320.615117]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  320.619969]  ? finish_task_switch+0x1f4/0x910
[  320.624466]  ? finish_task_switch+0x1b4/0x910
[  320.628965]  ? __switch_to_asm+0x34/0x70
[  320.633034]  ? preempt_notifier_register+0x200/0x200
[  320.638138]  ? __switch_to_asm+0x34/0x70
[  320.642199]  ? __switch_to_asm+0x34/0x70
[  320.646278]  ? zap_class+0x640/0x640
[  320.649992]  ? zap_class+0x640/0x640
[  320.653706]  ? __x64_sys_futex+0x53e/0x6a0
[  320.657949]  ? find_held_lock+0x36/0x1c0
[  320.662026]  ? handle_mm_fault+0x42a/0xc70
[  320.666266]  ? lock_downgrade+0x900/0x900
[  320.670434]  ? check_preemption_disabled+0x48/0x280
[  320.675460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.680393]  ? kasan_check_read+0x11/0x20
[  320.684539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.689815]  ? rcu_softirq_qs+0x20/0x20
[  320.693792]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.698900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.704447]  ? check_preemption_disabled+0x48/0x280
[  320.709478]  handle_mm_fault+0x54f/0xc70
[  320.713545]  ? __handle_mm_fault+0x5be0/0x5be0
[  320.718150]  ? find_vma+0x34/0x190
[  320.721726]  __do_page_fault+0x5e8/0xe60
[  320.725796]  ? trace_hardirqs_off+0xb8/0x310
[  320.730218]  do_page_fault+0xf2/0x7e0
[  320.734021]  ? vmalloc_sync_all+0x30/0x30
[  320.738196]  ? error_entry+0x70/0xd0
[  320.741916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.746932]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.751912]  ? syscall_return_slowpath+0x5e0/0x5e0
[  320.756875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.761723]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.766744]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.772289]  ? prepare_exit_to_usermode+0x291/0x3b0
[  320.777308]  ? page_fault+0x8/0x30
[  320.780853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.785712]  ? page_fault+0x8/0x30
[  320.789257]  page_fault+0x1e/0x30
[  320.792710] RIP: 0033:0x40f9c0
[  320.795920] Code: Bad RIP value.
[  320.799282] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  320.804647] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  320.811915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  320.819200] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  320.826468] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  320.833735] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  320.841035] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  320.841041] warn_alloc_show_mem: 1 callbacks suppressed
[  320.841048] Mem-Info:
[  320.847977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.853348] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  320.853348]  active_file:14 inactive_file:15 isolated_file:0
[  320.853348]  unevictable:0 dirty:0 writeback:0 unstable:0
[  320.853348]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  320.853348]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  320.853348]  free:13731 free_pcp:182 free_cma:0
[  320.855724] Call Trace:
[  320.865550] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  320.898608]  <IRQ>
[  320.901186] 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
[  320.929059]  dump_stack+0x244/0x39d
[  320.931187] lowmem_reserve[]: 0 2818 6321 6321
[  320.957308]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.960914] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  320.965511]  warn_alloc.cold.116+0xb7/0x1bd
[  320.970663] lowmem_reserve[]: 0 0 3503 3503
[  320.998449]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.002745] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  321.007067]  ? lock_downgrade+0x900/0x900
[  321.011887] lowmem_reserve[]: 0 0 0 0
[  321.040870]  ? trace_hardirqs_off+0xb8/0x310
[  321.045012] 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
[  321.048814]  ? trace_hardirqs_off+0xb8/0x310
[  321.053199] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  321.066725]  __alloc_pages_slowpath+0x26e8/0x2e10
[  321.071104] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  321.086303]  ? warn_alloc+0x120/0x120
[  321.091104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.106440]  ? print_usage_bug+0xc0/0xc0
[  321.110219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.119043]  ? warn_alloc+0x120/0x120
[  321.123083] 2704 total pagecache pages
[  321.131662]  ? warn_alloc+0x120/0x120
[  321.135442] 0 pages in swap cache
[  321.139324]  ? print_usage_bug+0xc0/0xc0
[  321.143094] Swap cache stats: add 0, delete 0, find 0/0
[  321.143103] Free swap  = 0kB
[  321.146565]  ? print_usage_bug+0xc0/0xc0
[  321.150606] Total swap = 0kB
[  321.155966]  ? __lock_acquire+0x62f/0x4c20
[  321.158956] 1965979 pages RAM
[  321.163014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.166007] 0 pages HighMem/MovableOnly
[  321.170236]  ? should_fail+0x22d/0xd01
[  321.173316] 342858 pages reserved
[  321.178850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.182801] 0 pages cma reserved
[  321.186688]  ? __lock_acquire+0x62f/0x4c20
[  321.190180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.195211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.195224]  ? __lock_acquire+0x62f/0x4c20
[  321.195236]  ? should_fail+0x22d/0xd01
[  321.195252]  ? find_held_lock+0x36/0x1c0
[  321.198665] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.202838]  ? mark_held_locks+0x130/0x130
[  321.209301] syz-fuzzer cpuset=/ mems_allowed=0
[  321.214402]  ? mark_held_locks+0x130/0x130
[  321.249760]  ? zap_class+0x640/0x640
[  321.253480]  ? zap_class+0x640/0x640
[  321.257199]  ? print_usage_bug+0xc0/0xc0
[  321.261264]  ? do_raw_spin_unlock+0xa7/0x330
[  321.265676]  ? zap_class+0x640/0x640
[  321.269393]  ? print_usage_bug+0xc0/0xc0
[  321.273460]  ? wq_watchdog_touch+0x9c/0xfe
[  321.277700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.283246]  ? check_preemption_disabled+0x48/0x280
[  321.288276]  ? __lock_is_held+0xb5/0x140
[  321.292346]  __alloc_pages_nodemask+0xa80/0xde0
[  321.297022]  ? zap_class+0x640/0x640
[  321.300746]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  321.305774]  ? find_held_lock+0x36/0x1c0
[  321.309872]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.314544]  ? lock_downgrade+0x900/0x900
[  321.318707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.324256]  cache_grow_begin+0xa5/0x8c0
[  321.328322]  ? do_raw_spin_unlock+0xa7/0x330
[  321.332747]  fallback_alloc+0x204/0x2e0
[  321.336733]  ____cache_alloc_node+0x1c7/0x1e0
[  321.341236]  kmem_cache_alloc_node+0xe3/0x730
[  321.345731]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.350006]  __alloc_skb+0x119/0x770
[  321.353722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.359007]  ? netdev_alloc_frag+0x1f0/0x1f0
[  321.363419]  ? lock_downgrade+0x900/0x900
[  321.367579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.373130]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.378592]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.384057]  ? addrconf_rs_timer+0x690/0x690
[  321.388477]  ndisc_alloc_skb+0x144/0x340
[  321.392546]  ndisc_send_rs+0x331/0x6e0
[  321.396439]  addrconf_rs_timer+0x314/0x690
[  321.400684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.404935]  call_timer_fn+0x272/0x920
[  321.408826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.413068]  ? process_timeout+0x40/0x40
[  321.417140]  ? __run_timers+0x7da/0xc70
[  321.421120]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.425623]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.430118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.434363]  ? lockdep_hardirqs_on+0x296/0x5b0
[  321.438958]  ? trace_hardirqs_on+0xbd/0x310
[  321.443375]  ? kasan_check_read+0x11/0x20
[  321.447528]  ? __run_timers+0x7da/0xc70
[  321.451508]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.456659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.460902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.465138]  __run_timers+0x7e5/0xc70
[  321.468950]  ? timer_fixup_init+0x70/0x70
[  321.473111]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.478136]  ? zap_class+0x640/0x640
[  321.481857]  ? enqueue_hrtimer+0x1a5/0x560
[  321.486114]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.491320]  ? find_held_lock+0x36/0x1c0
[  321.495414]  ? zap_class+0x640/0x640
[  321.499134]  ? pvclock_read_flags+0x160/0x160
[  321.503635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.509178]  ? check_preemption_disabled+0x48/0x280
[  321.514213]  ? __lock_is_held+0xb5/0x140
[  321.518282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.523824]  ? check_preemption_disabled+0x48/0x280
[  321.528853]  run_timer_softirq+0x52/0xb0
[  321.532917]  ? rcu_read_lock_sched_held+0x14f/0x180
[  321.537938]  __do_softirq+0x308/0xb7e
[  321.541747]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  321.546248]  ? lock_downgrade+0x900/0x900
[  321.550400]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  321.555515]  ? pvclock_read_flags+0x160/0x160
[  321.560016]  ? lapic_next_event+0x5a/0x90
[  321.564174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.569719]  ? kvm_clock_read+0x18/0x30
[  321.573694]  ? kvm_sched_clock_read+0x9/0x20
[  321.578107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.583649]  ? check_preemption_disabled+0x48/0x280
[  321.588677]  irq_exit+0x17f/0x1c0
[  321.592137]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.596985]  ? smp_reschedule_interrupt+0x109/0x650
[  321.602009]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.607895]  ? interrupt_entry+0xb5/0xc0
[  321.611960]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.616981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.622006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.626852]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.631869]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.637102]  ? task_prio+0x50/0x50
[  321.640650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.646195]  ? check_preemption_disabled+0x48/0x280
[  321.651221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.656075]  apic_timer_interrupt+0xf/0x20
[  321.660304]  </IRQ>
[  321.662544] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  321.667474] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  321.686402] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  321.694122] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  321.701417] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  321.708695] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  321.715970] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  321.723244] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  321.730567]  skb_clone+0x1bb/0x500
[  321.734122]  ? finish_task_switch+0x1b4/0x910
[  321.738630]  ? skb_split+0x11e0/0x11e0
[  321.742525]  ? preempt_notifier_register+0x200/0x200
[  321.747638]  ? __switch_to_asm+0x34/0x70
[  321.751710]  ? __switch_to_asm+0x34/0x70
[  321.755777]  ? __switch_to_asm+0x40/0x70
[  321.759843]  ? __switch_to_asm+0x34/0x70
[  321.763908]  ? __switch_to_asm+0x40/0x70
[  321.768418]  ? __switch_to_asm+0x34/0x70
[  321.772484]  ? __switch_to_asm+0x40/0x70
[  321.776550]  ? __switch_to_asm+0x34/0x70
[  321.780622]  ? __switch_to_asm+0x34/0x70
[  321.784688]  ? __switch_to_asm+0x40/0x70
[  321.788749]  ? __switch_to_asm+0x34/0x70
[  321.792822]  bpf_clone_redirect+0xb9/0x490
[  321.797060]  ? __schedule+0x8d7/0x21d0
[  321.800958]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  321.805980]  ? __sched_text_start+0x8/0x8
[  321.810133]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  321.814907]  ? find_held_lock+0x36/0x1c0
[  321.818979]  ? lock_acquire+0x1ed/0x520
[  321.822956]  ? bpf_test_run+0x3cb/0x780
[  321.826937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.832479]  ? check_preemption_disabled+0x48/0x280
[  321.837501]  ? kasan_check_read+0x11/0x20
[  321.841654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.846930]  ? rcu_softirq_qs+0x20/0x20
[  321.850912]  ? preempt_schedule+0x4d/0x60
[  321.855066]  ? ___preempt_schedule+0x16/0x18
[  321.859484]  ? bpf_test_run+0x25d/0x780
[  321.863469]  ? netlink_diag_dump+0x2a0/0x2a0
[  321.867885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.873429]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  321.878194]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.883037]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.888577]  ? fput+0x130/0x1a0
[  321.891868]  ? __bpf_prog_get+0x9b/0x290
[  321.895936]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.900778]  ? bpf_prog_test_run+0x130/0x1a0
[  321.905194]  ? __x64_sys_bpf+0x3d8/0x520
[  321.909255]  ? bpf_prog_get+0x20/0x20
[  321.913079]  ? do_syscall_64+0x1b9/0x820
[  321.917144]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  321.922515]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.927448]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.932467]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.937490]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  321.944160]  ? __switch_to_asm+0x40/0x70
[  321.948276]  ? __switch_to_asm+0x34/0x70
[  321.952345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.957208]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.962607] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  321.962708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.969203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.969208] Call Trace:
[  321.969215]  <IRQ>
[  321.969232]  dump_stack+0x244/0x39d
[  321.969249]  ? dump_stack_print_info.cold.1+0x20/0x20
[  321.969276]  warn_alloc.cold.116+0xb7/0x1bd
[  321.975881] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.985100]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.985119]  ? lock_downgrade+0x900/0x900
[  321.987857] syz-executor1 cpuset=syz1 mems_allowed=0
[  321.990020]  ? trace_hardirqs_off+0xb8/0x310
[  322.032159]  ? trace_hardirqs_off+0xb8/0x310
[  322.036587]  __alloc_pages_slowpath+0x26e8/0x2e10
[  322.041473]  ? warn_alloc+0x120/0x120
[  322.045284]  ? print_usage_bug+0xc0/0xc0
[  322.049348]  ? warn_alloc+0x120/0x120
[  322.053154]  ? warn_alloc+0x120/0x120
[  322.056961]  ? print_usage_bug+0xc0/0xc0
[  322.061027]  ? print_usage_bug+0xc0/0xc0
[  322.065094]  ? __lock_acquire+0x62f/0x4c20
[  322.069336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.074884]  ? should_fail+0x22d/0xd01
[  322.078780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.083890]  ? __lock_acquire+0x62f/0x4c20
[  322.088131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.093240]  ? __lock_acquire+0x62f/0x4c20
[  322.097474]  ? should_fail+0x22d/0xd01
[  322.101364]  ? find_held_lock+0x36/0x1c0
[  322.105438]  ? mark_held_locks+0x130/0x130
[  322.109682]  ? mark_held_locks+0x130/0x130
[  322.113920]  ? zap_class+0x640/0x640
[  322.117637]  ? zap_class+0x640/0x640
[  322.121357]  ? print_usage_bug+0xc0/0xc0
[  322.125418]  ? do_raw_spin_unlock+0xa7/0x330
[  322.129831]  ? zap_class+0x640/0x640
[  322.133553]  ? print_usage_bug+0xc0/0xc0
[  322.137624]  ? wq_watchdog_touch+0x9c/0xfe
[  322.141878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.147419]  ? check_preemption_disabled+0x48/0x280
[  322.152446]  ? __lock_is_held+0xb5/0x140
[  322.156520]  __alloc_pages_nodemask+0xa80/0xde0
[  322.161192]  ? zap_class+0x640/0x640
[  322.164915]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  322.169950]  ? find_held_lock+0x36/0x1c0
[  322.174033]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.178712]  ? lock_downgrade+0x900/0x900
[  322.182878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.188430]  cache_grow_begin+0xa5/0x8c0
[  322.192495]  ? do_raw_spin_unlock+0xa7/0x330
[  322.196919]  fallback_alloc+0x204/0x2e0
[  322.200908]  ____cache_alloc_node+0x1c7/0x1e0
[  322.205410]  kmem_cache_alloc_node+0xe3/0x730
[  322.209907]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.214154]  __alloc_skb+0x119/0x770
[  322.217876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.223168]  ? netdev_alloc_frag+0x1f0/0x1f0
[  322.227587]  ? lock_downgrade+0x900/0x900
[  322.231758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.237300]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.242758]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.248215]  ? addrconf_rs_timer+0x690/0x690
[  322.252658]  ndisc_alloc_skb+0x144/0x340
[  322.256729]  ndisc_send_rs+0x331/0x6e0
[  322.260631]  addrconf_rs_timer+0x314/0x690
[  322.264883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.269132]  call_timer_fn+0x272/0x920
[  322.273023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.277265]  ? process_timeout+0x40/0x40
[  322.281341]  ? mark_held_locks+0xc7/0x130
[  322.285495]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.289990]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.294486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.298726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  322.303316]  ? trace_hardirqs_on+0xbd/0x310
[  322.307644]  ? kasan_check_read+0x11/0x20
[  322.311793]  ? __run_timers+0x7da/0xc70
[  322.315772]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.320885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.325146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.329384]  __run_timers+0x7e5/0xc70
[  322.333197]  ? timer_fixup_init+0x70/0x70
[  322.337351]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.342375]  ? zap_class+0x640/0x640
[  322.346099]  ? print_usage_bug+0xc0/0xc0
[  322.350169]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  322.355366]  ? find_held_lock+0x36/0x1c0
[  322.359436]  ? zap_class+0x640/0x640
[  322.363161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.368720]  ? check_preemption_disabled+0x48/0x280
[  322.373750]  ? __lock_is_held+0xb5/0x140
[  322.377817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.383362]  ? check_preemption_disabled+0x48/0x280
[  322.388386]  run_timer_softirq+0x52/0xb0
[  322.392451]  ? rcu_read_lock_sched_held+0x14f/0x180
[  322.397470]  __do_softirq+0x308/0xb7e
[  322.401275]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  322.405771]  ? lock_downgrade+0x900/0x900
[  322.409923]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  322.415038]  ? pvclock_read_flags+0x160/0x160
[  322.419542]  ? lapic_next_event+0x5a/0x90
[  322.423695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.429240]  ? kvm_clock_read+0x18/0x30
[  322.433251]  ? kvm_sched_clock_read+0x9/0x20
[  322.437667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.443207]  ? check_preemption_disabled+0x48/0x280
[  322.448238]  irq_exit+0x17f/0x1c0
[  322.451700]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.456550]  ? smp_reschedule_interrupt+0x109/0x650
[  322.461576]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.467475]  ? interrupt_entry+0xb5/0xc0
[  322.471544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.476564]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.481635]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.486483]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.491505]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.496580]  ? task_prio+0x50/0x50
[  322.500135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.505683]  ? check_preemption_disabled+0x48/0x280
[  322.510707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.515565]  apic_timer_interrupt+0xf/0x20
[  322.519802]  </IRQ>
[  322.522046] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  322.528213] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  322.547140] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  322.554862] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  322.562149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  322.569423] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  322.576692] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  322.583962] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  322.591257]  ? unlock_page+0x25d/0x4c0
[  322.595157]  unlock_page+0x25d/0x4c0
[  322.598882]  ? wake_up_page_bit+0x6f0/0x6f0
[  322.603212]  ? shrink_page_list+0x7e68/0xccd0
[  322.607710]  ? shrink_page_list+0x7e68/0xccd0
[  322.612210]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.616798]  ? shrink_inactive_list+0x77b/0x1c60
[  322.621560]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.626675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.632219]  ? check_preemption_disabled+0x48/0x280
[  322.637238]  ? shrink_page_list+0x145c/0xccd0
[  322.641744]  shrink_page_list+0x3714/0xccd0
[  322.646095]  ? page_evictable+0x540/0x540
[  322.650418]  ? rb_erase_cached+0xc78/0x3720
[  322.654744]  ? rb_erase_cached+0xc78/0x3720
[  322.659070]  ? rb_next+0x140/0x140
[  322.662628]  ? rb_next+0x140/0x140
[  322.666176]  ? rb_next+0x140/0x140
[  322.669797]  ? zap_class+0x640/0x640
[  322.673516]  ? zap_class+0x640/0x640
[  322.677229]  ? zap_class+0x640/0x640
[  322.680944]  ? zap_class+0x640/0x640
[  322.684663]  ? __update_load_avg_se+0x5eb/0xae0
[  322.689335]  ? __update_load_avg_blocked_se+0x690/0x690
[  322.694704]  ? __update_load_avg_se+0xae0/0xae0
[  322.699394]  ? zap_class+0x640/0x640
[  322.703126]  ? update_load_avg+0x387/0x2470
[  322.707461]  ? attach_entity_load_avg+0x860/0x860
[  322.712311]  ? update_load_avg+0x387/0x2470
[  322.716644]  ? attach_entity_load_avg+0x860/0x860
[  322.721494]  ? attach_entity_load_avg+0x860/0x860
[  322.726344]  ? attach_entity_load_avg+0x860/0x860
[  322.731191]  ? rb_erase+0x3710/0x3710
[  322.734997]  ? rb_erase+0x3710/0x3710
[  322.738798]  ? rb_erase+0x3710/0x3710
[  322.742624]  ? rb_erase+0x3710/0x3710
[  322.746448]  ? rb_erase+0x3710/0x3710
[  322.750265]  ? __lock_acquire+0x62f/0x4c20
[  322.754513]  ? zap_class+0x640/0x640
[  322.758230]  ? print_usage_bug+0xc0/0xc0
[  322.762293]  ? zap_class+0x640/0x640
[  322.766012]  ? zap_class+0x640/0x640
[  322.769730]  ? print_usage_bug+0xc0/0xc0
[  322.773796]  ? print_usage_bug+0xc0/0xc0
[  322.777871]  ? zap_class+0x640/0x640
[  322.781588]  ? __lock_is_held+0xb5/0x140
[  322.785673]  ? print_usage_bug+0xc0/0xc0
[  322.789746]  ? __lock_acquire+0x62f/0x4c20
[  322.793991]  ? mark_held_locks+0x130/0x130
[  322.798232]  ? print_usage_bug+0xc0/0xc0
[  322.802305]  ? rb_erase_cached+0xc78/0x3720
[  322.806645]  ? rb_next+0x140/0x140
[  322.810191]  ? rb_next+0x140/0x140
[  322.813741]  ? __lock_acquire+0x62f/0x4c20
[  322.817981]  ? __lock_acquire+0x62f/0x4c20
[  322.822223]  ? rcu_note_context_switch+0x12ad/0x2150
[  322.827327]  ? print_usage_bug+0xc0/0xc0
[  322.831408]  ? mark_held_locks+0x130/0x130
[  322.835653]  ? zap_class+0x640/0x640
[  322.839371]  ? print_usage_bug+0xc0/0xc0
[  322.843438]  ? put_dec+0x3b/0xf0
[  322.846829]  ? rb_next+0x140/0x140
[  322.850381]  ? __lock_acquire+0x62f/0x4c20
[  322.854628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.860169]  ? check_preemption_disabled+0x48/0x280
[  322.865203]  ? print_usage_bug+0xc0/0xc0
[  322.869273]  ? rb_erase_cached+0xc78/0x3720
[  322.873615]  ? rb_next+0x140/0x140
[  322.877174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.882712]  ? __isolate_lru_page+0xd05/0x1540
[  322.887326]  ? print_usage_bug+0xc0/0xc0
[  322.891395]  ? mark_held_locks+0x130/0x130
[  322.895630]  ? zap_class+0x640/0x640
[  322.899347]  ? update_load_avg+0x13b8/0x2470
[  322.903764]  ? print_usage_bug+0xc0/0xc0
[  322.907832]  ? zap_class+0x640/0x640
[  322.911555]  ? __lock_acquire+0x62f/0x4c20
[  322.915793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.921336]  ? check_preemption_disabled+0x48/0x280
[  322.926360]  ? __update_load_avg_blocked_se+0x690/0x690
[  322.931729]  ? __update_load_avg_se+0xae0/0xae0
[  322.936397]  ? zap_class+0x640/0x640
[  322.940124]  ? update_load_avg+0x387/0x2470
[  322.944462]  ? attach_entity_load_avg+0x860/0x860
[  322.949312]  ? update_load_avg+0x387/0x2470
[  322.953641]  ? attach_entity_load_avg+0x860/0x860
[  322.958487]  ? attach_entity_load_avg+0x860/0x860
[  322.963341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.968888]  ? __isolate_lru_page+0xd05/0x1540
[  322.973478]  ? putback_lru_page+0x280/0x280
[  322.977807]  ? rb_erase+0x3710/0x3710
[  322.981629]  ? mark_held_locks+0x130/0x130
[  322.985883]  ? cpuacct_charge+0x265/0x440
[  322.990041]  ? find_held_lock+0x36/0x1c0
[  322.994114]  ? zap_class+0x640/0x640
[  322.997849]  ? print_usage_bug+0xc0/0xc0
[  323.001918]  ? zap_class+0x640/0x640
[  323.005634]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.010564]  ? kasan_check_read+0x11/0x20
[  323.014736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.020026]  ? zap_class+0x640/0x640
[  323.023744]  ? __lock_is_held+0xb5/0x140
[  323.027812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.033357]  ? check_preemption_disabled+0x48/0x280
[  323.038382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.043924]  ? check_preemption_disabled+0x48/0x280
[  323.048970]  ? __lock_is_held+0xb5/0x140
[  323.053042]  ? __this_cpu_preempt_check+0x1c/0x20
[  323.057890]  ? __mod_zone_page_state+0x8a/0xf0
[  323.062480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.068023]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  323.073234]  ? __isolate_lru_page+0x1540/0x1540
[  323.077922]  ? zap_class+0x640/0x640
[  323.081642]  ? print_usage_bug+0xc0/0xc0
[  323.085705]  ? __account_cfs_rq_runtime+0x790/0x790
[  323.090730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.096272]  ? find_held_lock+0x36/0x1c0
[  323.100339]  ? zap_class+0x640/0x640
[  323.104072]  ? print_usage_bug+0xc0/0xc0
[  323.108137]  ? mark_held_locks+0xc7/0x130
[  323.112289]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.116792]  ? zap_class+0x640/0x640
[  323.120511]  ? print_usage_bug+0xc0/0xc0
[  323.124579]  ? mark_held_locks+0xc7/0x130
[  323.128745]  ? find_held_lock+0x36/0x1c0
[  323.132822]  ? mark_held_locks+0xc7/0x130
[  323.136978]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.141473]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.145970]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  323.150555]  ? trace_hardirqs_on+0xbd/0x310
[  323.154886]  ? kasan_check_read+0x11/0x20
[  323.159036]  ? shrink_inactive_list+0x741/0x1c60
[  323.163798]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.168902]  ? trace_hardirqs_on+0x310/0x310
[  323.173313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.178853]  ? check_preemption_disabled+0x48/0x280
[  323.183892]  shrink_inactive_list+0x77b/0x1c60
[  323.188494]  ? putback_inactive_pages+0x27e0/0x27e0
[  323.193516]  ? kasan_check_read+0x11/0x20
[  323.197670]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  323.202953]  ? __rcu_read_unlock+0x2d6/0x2e0
[  323.207364]  ? blk_lld_busy+0x70/0x70
[  323.211167]  ? kasan_check_read+0x11/0x20
[  323.215328]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  323.220273]  shrink_node_memcg+0x78b/0x18f0
[  323.224624]  ? shrink_active_list+0x1f00/0x1f00
[  323.229316]  ? lock_downgrade+0x900/0x900
[  323.233466]  ? check_flush_dependency+0x410/0x410
[  323.238317]  ? kasan_check_read+0x11/0x20
[  323.242465]  ? do_raw_spin_unlock+0xa7/0x330
[  323.246885]  ? ___preempt_schedule+0x16/0x18
[  323.251303]  ? _raw_spin_unlock+0x3f/0x50
[  323.255460]  shrink_node+0x3bc/0x16b0
[  323.259263]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  323.264569]  ? shrink_node_memcg+0x18f0/0x18f0
[  323.269160]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  323.273746]  ? trace_hardirqs_on+0xbd/0x310
[  323.278069]  ? vmpressure+0x271/0x340
[  323.281884]  ? do_raw_spin_trylock+0x270/0x270
[  323.286475]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  323.292016]  ? __cpuset_node_allowed+0x19b/0x660
[  323.296776]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  323.302490]  ? vmpressure+0x1a2/0x340
[  323.306305]  do_try_to_free_pages+0x3e7/0x1290
[  323.310892]  ? zap_class+0x640/0x640
[  323.314630]  ? shrink_node+0x16b0/0x16b0
[  323.318695]  ? __lock_is_held+0xb5/0x140
[  323.322776]  try_to_free_pages+0x4d0/0xb90
[  323.327019]  ? do_try_to_free_pages+0x1290/0x1290
[  323.331881]  ? lock_acquire+0x1ed/0x520
[  323.335867]  ? set_page_refcounted+0x280/0x280
[  323.340456]  ? lock_release+0xa00/0xa00
[  323.344435]  ? _raw_spin_unlock_irq+0x60/0x80
[  323.348933]  ? psi_memstall_enter+0x240/0x2b0
[  323.353430]  ? psi_memstall_tick+0x230/0x230
[  323.357864]  __alloc_pages_slowpath+0xa14/0x2e10
[  323.362660]  ? warn_alloc+0x120/0x120
[  323.366461]  ? mark_held_locks+0x130/0x130
[  323.370711]  ? find_get_entry+0xaae/0x1120
[  323.374956]  ? filemap_map_pages+0x1a20/0x1a20
[  323.379543]  ? zap_class+0x640/0x640
[  323.383264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.388806]  ? check_preemption_disabled+0x48/0x280
[  323.393823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.399368]  ? should_fail+0x22d/0xd01
[  323.403265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.408377]  ? zap_class+0x640/0x640
[  323.412118]  ? __lock_is_held+0xb5/0x140
[  323.416187]  ? mark_held_locks+0x130/0x130
[  323.420427]  ? lock_release+0xa00/0xa00
[  323.424403]  ? perf_trace_sched_process_exec+0x860/0x860
[  323.429863]  ? xa_load+0x2ba/0x460
[  323.433407]  ? lock_downgrade+0x900/0x900
[  323.437562]  ? __might_sleep+0x95/0x190
[  323.441555]  __alloc_pages_nodemask+0xa80/0xde0
[  323.446237]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  323.451259]  ? __page_cache_alloc+0x191/0x5c0
[  323.455759]  ? xa_load+0x2e1/0x460
[  323.459301]  ? xa_clear_mark+0x40/0x40
[  323.463190]  ? zap_class+0x640/0x640
[  323.466917]  ? zap_class+0x640/0x640
[  323.470631]  ? zap_class+0x640/0x640
[  323.474349]  ? __do_page_cache_readahead+0x663/0x810
[  323.479474]  ? find_held_lock+0x36/0x1c0
[  323.483545]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  323.489087]  alloc_pages_current+0x173/0x350
[  323.493504]  __page_cache_alloc+0x38c/0x5c0
[  323.497829]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.502766]  ? kasan_check_read+0x11/0x20
[  323.506915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.512212]  ? generic_perform_write+0x6a0/0x6a0
[  323.516975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.522519]  ? check_preemption_disabled+0x48/0x280
[  323.527547]  filemap_fault+0x1595/0x25f0
[  323.531631]  ? __lock_page_or_retry+0xa00/0xa00
[  323.536306]  ? mark_held_locks+0x130/0x130
[  323.540550]  ? filemap_map_pages+0xd6b/0x1a20
[  323.545048]  ? lock_downgrade+0x900/0x900
[  323.549195]  ? check_preemption_disabled+0x48/0x280
[  323.554216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.559150]  ? kasan_check_read+0x11/0x20
[  323.563302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.568580]  ? rcu_softirq_qs+0x20/0x20
[  323.572574]  ? filemap_map_pages+0xd92/0x1a20
[  323.577097]  ? find_get_entries_tag+0x1400/0x1400
[  323.581945]  ? debug_object_destroy+0x2b0/0x2b0
[  323.586629]  ? lock_pi_update_atomic+0x150/0x150
[  323.591388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.596942]  ? lock_acquire+0x1ed/0x520
[  323.600916]  ? ext4_filemap_fault+0x7a/0xad
[  323.605247]  ? lock_release+0xa00/0xa00
[  323.609224]  ? perf_trace_sched_process_exec+0x860/0x860
[  323.614679]  ? print_usage_bug+0xc0/0xc0
[  323.618750]  ? print_usage_bug+0xc0/0xc0
[  323.622823]  ? down_read+0x8d/0x120
[  323.626456]  ? ext4_filemap_fault+0x7a/0xad
[  323.630798]  ? __down_interruptible+0x700/0x700
[  323.635482]  ext4_filemap_fault+0x82/0xad
[  323.639889]  __do_fault+0x100/0x6b0
[  323.643517]  ? find_held_lock+0x36/0x1c0
[  323.647587]  ? pmd_devmap_trans_unstable+0x220/0x220
[  323.652708]  ? mark_held_locks+0x130/0x130
[  323.656952]  ? mark_held_locks+0x130/0x130
[  323.661192]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.665688]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.670191]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  323.674779]  ? kasan_check_read+0x11/0x20
[  323.678929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.684474]  __handle_mm_fault+0x3ea6/0x5be0
[  323.688897]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  323.693745]  ? finish_task_switch+0x1f4/0x910
[  323.698241]  ? finish_task_switch+0x1b4/0x910
[  323.702744]  ? __switch_to_asm+0x34/0x70
[  323.706821]  ? preempt_notifier_register+0x200/0x200
[  323.711934]  ? __switch_to_asm+0x34/0x70
[  323.716002]  ? __switch_to_asm+0x34/0x70
[  323.720083]  ? zap_class+0x640/0x640
[  323.723801]  ? zap_class+0x640/0x640
[  323.727518]  ? __x64_sys_futex+0x53e/0x6a0
[  323.731758]  ? find_held_lock+0x36/0x1c0
[  323.735831]  ? handle_mm_fault+0x42a/0xc70
[  323.740073]  ? lock_downgrade+0x900/0x900
[  323.744228]  ? check_preemption_disabled+0x48/0x280
[  323.749251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.754188]  ? kasan_check_read+0x11/0x20
[  323.758339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.763630]  ? rcu_softirq_qs+0x20/0x20
[  323.767620]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.772896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.778449]  ? check_preemption_disabled+0x48/0x280
[  323.783479]  handle_mm_fault+0x54f/0xc70
[  323.787551]  ? __handle_mm_fault+0x5be0/0x5be0
[  323.792140]  ? find_vma+0x34/0x190
[  323.795691]  __do_page_fault+0x5e8/0xe60
[  323.799753]  ? trace_hardirqs_off+0xb8/0x310
[  323.804173]  do_page_fault+0xf2/0x7e0
[  323.807976]  ? vmalloc_sync_all+0x30/0x30
[  323.812130]  ? error_entry+0x70/0xd0
[  323.815855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.820884]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.825818]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.830753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.835607]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.840632]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.846093]  ? prepare_exit_to_usermode+0x291/0x3b0
[  323.851111]  ? page_fault+0x8/0x30
[  323.854654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.859502]  ? page_fault+0x8/0x30
[  323.863046]  page_fault+0x1e/0x30
[  323.866511] RIP: 0033:0x40f9c0
[  323.869748] Code: Bad RIP value.
[  323.873110] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  323.878476] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  323.885742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  323.893011] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  323.900280] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  323.907551] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  323.914843] warn_alloc_show_mem: 1 callbacks suppressed
[  323.914854] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  323.914862] Mem-Info:
[  323.914893] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  323.914893]  active_file:14 inactive_file:15 isolated_file:0
[  323.914893]  unevictable:0 dirty:0 writeback:0 unstable:0
[  323.914893]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  323.914893]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  323.914893]  free:13731 free_pcp:182 free_cma:0
[  323.920237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.927170] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  323.929568] Call Trace:
[  323.962626] 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
[  323.971978]  <IRQ>
[  323.999905] lowmem_reserve[]: 0 2818 6321 6321
[  324.002492]  dump_stack+0x244/0x39d
[  324.028586] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  324.030752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.035302] lowmem_reserve[]: 0 0 3503 3503
[  324.038931]  warn_alloc.cold.116+0xb7/0x1bd
[  324.066700] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  324.071917]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.076211] lowmem_reserve[]: 0 0 0 0
[  324.080535]  ? lock_downgrade+0x900/0x900
[  324.109509] 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
[  324.114367]  ? trace_hardirqs_off+0xb8/0x310
[  324.118127] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  324.122271]  ? trace_hardirqs_off+0xb8/0x310
[  324.135772] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  324.140185]  __alloc_pages_slowpath+0x26e8/0x2e10
[  324.155333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  324.159766]  ? warn_alloc+0x120/0x120
[  324.175074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  324.179916]  ? warn_alloc+0x120/0x120
[  324.188720] 2704 total pagecache pages
[  324.192517]  ? __bfs+0x321/0x780
[  324.201078] 0 pages in swap cache
[  324.204876]  ? print_usage_bug+0xc0/0xc0
[  324.208741] Swap cache stats: add 0, delete 0, find 0/0
[  324.212095]  ? lockdep_on+0x50/0x50
[  324.215525] Free swap  = 0kB
[  324.219579]  ? print_bfs_bug+0x80/0x80
[  324.224917] Total swap = 0kB
[  324.228548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.231533] 1965979 pages RAM
[  324.235413]  ? should_fail+0x22d/0xd01
[  324.238405] 0 pages HighMem/MovableOnly
[  324.243935]  ? __bfs+0x321/0x780
[  324.247020] 342858 pages reserved
[  324.250905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.254851] 0 pages cma reserved
[  324.258215]  ? __lock_acquire+0x62f/0x4c20
[  324.261704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.266737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.266750]  ? __lock_acquire+0x2aff/0x4c20
[  324.266763]  ? should_fail+0x22d/0xd01
[  324.266786]  ? mark_held_locks+0x130/0x130
[  324.270185] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.274355]  ? mark_held_locks+0x130/0x130
[  324.280829] syz-fuzzer cpuset=/ mems_allowed=0
[  324.285933]  ? kasan_check_read+0x11/0x20
[  324.321569]  ? __lock_acquire+0x2aff/0x4c20
[  324.325904]  ? zap_class+0x640/0x640
[  324.329636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.335184]  ? check_preemption_disabled+0x48/0x280
[  324.340215]  ? __lock_is_held+0xb5/0x140
[  324.344290]  __alloc_pages_nodemask+0xa80/0xde0
[  324.348966]  ? zap_class+0x640/0x640
[  324.352691]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  324.357729]  ? find_held_lock+0x36/0x1c0
[  324.361805]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.366481]  ? lock_downgrade+0x900/0x900
[  324.370641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.376219]  cache_grow_begin+0xa5/0x8c0
[  324.380289]  ? do_raw_spin_unlock+0xa7/0x330
[  324.384711]  fallback_alloc+0x204/0x2e0
[  324.388694]  ____cache_alloc_node+0x1c7/0x1e0
[  324.393198]  kmem_cache_alloc_node+0xe3/0x730
[  324.397691]  ? do_raw_spin_unlock+0xa7/0x330
[  324.402101]  ? do_raw_spin_trylock+0x270/0x270
[  324.406692]  __alloc_skb+0x119/0x770
[  324.410418]  ? netdev_alloc_frag+0x1f0/0x1f0
[  324.414831]  ? atomic_notifier_call_chain+0xc6/0x190
[  324.419939]  ? lock_downgrade+0x900/0x900
[  324.424092]  ? check_preemption_disabled+0x48/0x280
[  324.429117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.434051]  ? kasan_check_read+0x11/0x20
[  324.438201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.443481]  ? rcu_softirq_qs+0x20/0x20
[  324.447458]  ? kasan_check_read+0x11/0x20
[  324.451619]  ? do_raw_write_trylock+0x270/0x270
[  324.456301]  __neigh_notify+0x8c/0x160
[  324.460195]  ? neigh_connected_output+0x780/0x780
[  324.465046]  neigh_timer_handler+0x6cb/0xdf0
[  324.469461]  ? check_preemption_disabled+0x48/0x280
[  324.474484]  ? neigh_periodic_work+0xc60/0xc60
[  324.479075]  ? __lock_is_held+0xb5/0x140
[  324.483152]  call_timer_fn+0x272/0x920
[  324.487043]  ? neigh_periodic_work+0xc60/0xc60
[  324.491637]  ? process_timeout+0x40/0x40
[  324.495711]  ? __run_timers+0x7da/0xc70
[  324.499691]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.504192]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.508688]  ? neigh_periodic_work+0xc60/0xc60
[  324.513274]  ? lockdep_hardirqs_on+0x296/0x5b0
[  324.517864]  ? trace_hardirqs_on+0xbd/0x310
[  324.522193]  ? kasan_check_read+0x11/0x20
[  324.526340]  ? __run_timers+0x7da/0xc70
[  324.530323]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.535445]  ? neigh_periodic_work+0xc60/0xc60
[  324.540026]  __run_timers+0x7e5/0xc70
[  324.543837]  ? timer_fixup_init+0x70/0x70
[  324.547989]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  324.553013]  ? zap_class+0x640/0x640
[  324.556735]  ? enqueue_hrtimer+0x1a5/0x560
[  324.560976]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  324.566175]  ? find_held_lock+0x36/0x1c0
[  324.570246]  ? zap_class+0x640/0x640
[  324.573964]  ? pvclock_read_flags+0x160/0x160
[  324.578463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.584006]  ? check_preemption_disabled+0x48/0x280
[  324.589033]  ? __lock_is_held+0xb5/0x140
[  324.593099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.598641]  ? check_preemption_disabled+0x48/0x280
[  324.603669]  run_timer_softirq+0x52/0xb0
[  324.607733]  ? rcu_read_lock_sched_held+0x14f/0x180
[  324.612753]  __do_softirq+0x308/0xb7e
[  324.616564]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  324.621067]  ? lock_downgrade+0x900/0x900
[  324.625227]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  324.630345]  ? pvclock_read_flags+0x160/0x160
[  324.634858]  ? lapic_next_event+0x5a/0x90
[  324.639013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.644563]  ? kvm_clock_read+0x18/0x30
[  324.648548]  ? kvm_sched_clock_read+0x9/0x20
[  324.652962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.658505]  ? check_preemption_disabled+0x48/0x280
[  324.663539]  irq_exit+0x17f/0x1c0
[  324.667002]  smp_apic_timer_interrupt+0x1cb/0x760
[  324.671852]  ? smp_reschedule_interrupt+0x109/0x650
[  324.676876]  ? smp_call_function_single_interrupt+0x650/0x650
[  324.682771]  ? interrupt_entry+0xb5/0xc0
[  324.686838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.691863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.696892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.701749]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.706774]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.711803]  ? task_prio+0x50/0x50
[  324.715366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.720919]  ? check_preemption_disabled+0x48/0x280
[  324.725954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.730826]  apic_timer_interrupt+0xf/0x20
[  324.735069]  </IRQ>
[  324.737319] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  324.742256] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  324.761171] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  324.769377] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  324.776659] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  324.783944] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  324.791222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  324.798522] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  324.805853]  skb_clone+0x1bb/0x500
[  324.809413]  ? finish_task_switch+0x1b4/0x910
[  324.813923]  ? skb_split+0x11e0/0x11e0
[  324.817823]  ? preempt_notifier_register+0x200/0x200
[  324.822936]  ? __switch_to_asm+0x34/0x70
[  324.827003]  ? __switch_to_asm+0x34/0x70
[  324.831070]  ? __switch_to_asm+0x40/0x70
[  324.835140]  ? __switch_to_asm+0x34/0x70
[  324.839205]  ? __switch_to_asm+0x40/0x70
[  324.843270]  ? __switch_to_asm+0x34/0x70
[  324.847339]  ? __switch_to_asm+0x40/0x70
[  324.851408]  ? __switch_to_asm+0x34/0x70
[  324.855475]  ? __switch_to_asm+0x34/0x70
[  324.859537]  ? __switch_to_asm+0x40/0x70
[  324.863608]  ? __switch_to_asm+0x34/0x70
[  324.867680]  bpf_clone_redirect+0xb9/0x490
[  324.871919]  ? __schedule+0x8d7/0x21d0
[  324.875815]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  324.880842]  ? __sched_text_start+0x8/0x8
[  324.885008]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.889789]  ? find_held_lock+0x36/0x1c0
[  324.893872]  ? lock_acquire+0x1ed/0x520
[  324.897855]  ? bpf_test_run+0x3cb/0x780
[  324.901845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.907399]  ? check_preemption_disabled+0x48/0x280
[  324.912433]  ? kasan_check_read+0x11/0x20
[  324.916589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.921886]  ? rcu_softirq_qs+0x20/0x20
[  324.925867]  ? preempt_schedule+0x4d/0x60
[  324.930021]  ? ___preempt_schedule+0x16/0x18
[  324.934453]  ? bpf_test_run+0x25d/0x780
[  324.938451]  ? netlink_diag_dump+0x2a0/0x2a0
[  324.942871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.948428]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  324.953207]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.958064]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  324.963627]  ? fput+0x130/0x1a0
[  324.966923]  ? __bpf_prog_get+0x9b/0x290
[  324.971000]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.975859]  ? bpf_prog_test_run+0x130/0x1a0
[  324.980288]  ? __x64_sys_bpf+0x3d8/0x520
[  324.984371]  ? bpf_prog_get+0x20/0x20
[  324.988204]  ? do_syscall_64+0x1b9/0x820
[  324.992304]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  324.997682]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.002636]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.007669]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  325.012703]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  325.019393]  ? __switch_to_asm+0x40/0x70
[  325.023470]  ? __switch_to_asm+0x34/0x70
[  325.027549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.032408]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  325.037797] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  325.037924] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.044665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.055150] syz-executor1 cpuset=syz1 mems_allowed=0
[  325.064510] Call Trace:
[  325.072199]  <IRQ>
[  325.074363]  dump_stack+0x244/0x39d
[  325.078010]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.083232]  warn_alloc.cold.116+0xb7/0x1bd
[  325.087567]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.092430]  ? lock_downgrade+0x900/0x900
[  325.096602]  ? trace_hardirqs_off+0xb8/0x310
[  325.101026]  ? trace_hardirqs_off+0xb8/0x310
[  325.105447]  __alloc_pages_slowpath+0x26e8/0x2e10
[  325.110326]  ? warn_alloc+0x120/0x120
[  325.114137]  ? print_usage_bug+0xc0/0xc0
[  325.118209]  ? warn_alloc+0x120/0x120
[  325.122018]  ? warn_alloc+0x120/0x120
[  325.125829]  ? print_usage_bug+0xc0/0xc0
[  325.129905]  ? print_usage_bug+0xc0/0xc0
[  325.133975]  ? __lock_acquire+0x62f/0x4c20
[  325.138220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.143767]  ? should_fail+0x22d/0xd01
[  325.147665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.152776]  ? __lock_acquire+0x62f/0x4c20
[  325.157020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.162132]  ? __lock_acquire+0x62f/0x4c20
[  325.166370]  ? should_fail+0x22d/0xd01
[  325.170272]  ? find_held_lock+0x36/0x1c0
[  325.174343]  ? mark_held_locks+0x130/0x130
[  325.178586]  ? mark_held_locks+0x130/0x130
[  325.182837]  ? zap_class+0x640/0x640
[  325.186565]  ? zap_class+0x640/0x640
[  325.190297]  ? print_usage_bug+0xc0/0xc0
[  325.194358]  ? do_raw_spin_unlock+0xa7/0x330
[  325.198777]  ? zap_class+0x640/0x640
[  325.202500]  ? print_usage_bug+0xc0/0xc0
[  325.206568]  ? wq_watchdog_touch+0x9c/0xfe
[  325.210824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.216371]  ? check_preemption_disabled+0x48/0x280
[  325.221404]  ? __lock_is_held+0xb5/0x140
[  325.225477]  __alloc_pages_nodemask+0xa80/0xde0
[  325.230151]  ? zap_class+0x640/0x640
[  325.233879]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  325.238916]  ? find_held_lock+0x36/0x1c0
[  325.243019]  ? ____cache_alloc_node+0x1c7/0x1e0
[  325.247696]  ? lock_downgrade+0x900/0x900
[  325.251855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.257407]  cache_grow_begin+0xa5/0x8c0
[  325.261475]  ? do_raw_spin_unlock+0xa7/0x330
[  325.265899]  fallback_alloc+0x204/0x2e0
[  325.269894]  ____cache_alloc_node+0x1c7/0x1e0
[  325.274406]  kmem_cache_alloc_node+0xe3/0x730
[  325.278909]  ? ipv6_get_ifaddr+0x42e/0x620
[  325.283178]  __alloc_skb+0x119/0x770
[  325.286898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.292188]  ? netdev_alloc_frag+0x1f0/0x1f0
[  325.296613]  ? lock_downgrade+0x900/0x900
[  325.300782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.306330]  ? refcount_sub_and_test_checked+0x203/0x310
[  325.311797]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  325.317252]  ? addrconf_rs_timer+0x690/0x690
[  325.321676]  ndisc_alloc_skb+0x144/0x340
[  325.325752]  ndisc_send_rs+0x331/0x6e0
[  325.329647]  addrconf_rs_timer+0x314/0x690
[  325.333895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.338148]  call_timer_fn+0x272/0x920
[  325.342043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.346285]  ? process_timeout+0x40/0x40
[  325.350366]  ? mark_held_locks+0xc7/0x130
[  325.354526]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.359038]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.363541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.367795]  ? lockdep_hardirqs_on+0x296/0x5b0
[  325.372387]  ? trace_hardirqs_on+0xbd/0x310
[  325.376720]  ? kasan_check_read+0x11/0x20
[  325.380881]  ? __run_timers+0x7da/0xc70
[  325.384867]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.389982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.394227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.398471]  __run_timers+0x7e5/0xc70
[  325.402287]  ? timer_fixup_init+0x70/0x70
[  325.406453]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  325.411490]  ? zap_class+0x640/0x640
[  325.415224]  ? print_usage_bug+0xc0/0xc0
[  325.419296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  325.424500]  ? find_held_lock+0x36/0x1c0
[  325.428572]  ? zap_class+0x640/0x640
[  325.432303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.437849]  ? check_preemption_disabled+0x48/0x280
[  325.442910]  ? __lock_is_held+0xb5/0x140
[  325.446978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.452520]  ? check_preemption_disabled+0x48/0x280
[  325.457547]  run_timer_softirq+0x52/0xb0
[  325.461620]  ? rcu_read_lock_sched_held+0x14f/0x180
[  325.466640]  __do_softirq+0x308/0xb7e
[  325.470453]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  325.474950]  ? lock_downgrade+0x900/0x900
[  325.479104]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  325.484219]  ? pvclock_read_flags+0x160/0x160
[  325.488720]  ? lapic_next_event+0x5a/0x90
[  325.492886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.498443]  ? kvm_clock_read+0x18/0x30
[  325.502448]  ? kvm_sched_clock_read+0x9/0x20
[  325.506875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.512432]  ? check_preemption_disabled+0x48/0x280
[  325.517473]  irq_exit+0x17f/0x1c0
[  325.520944]  smp_apic_timer_interrupt+0x1cb/0x760
[  325.525802]  ? smp_reschedule_interrupt+0x109/0x650
[  325.530839]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.536741]  ? interrupt_entry+0xb5/0xc0
[  325.540814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.545846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.550890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.555757]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.560790]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.565820]  ? task_prio+0x50/0x50
[  325.569370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.574921]  ? check_preemption_disabled+0x48/0x280
[  325.579956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.584815]  apic_timer_interrupt+0xf/0x20
[  325.589049]  </IRQ>
[  325.591294] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  325.597459] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  325.616367] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  325.624086] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  325.631360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  325.639186] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  325.646456] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  325.653726] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  325.661020]  ? unlock_page+0x25d/0x4c0
[  325.664924]  unlock_page+0x25d/0x4c0
[  325.668643]  ? wake_up_page_bit+0x6f0/0x6f0
[  325.672969]  ? shrink_page_list+0x7e68/0xccd0
[  325.677467]  ? shrink_page_list+0x7e68/0xccd0
[  325.681966]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.686561]  ? shrink_inactive_list+0x77b/0x1c60
[  325.691331]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.696441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.701981]  ? check_preemption_disabled+0x48/0x280
[  325.707002]  ? shrink_page_list+0x145c/0xccd0
[  325.711505]  shrink_page_list+0x3714/0xccd0
[  325.715856]  ? page_evictable+0x540/0x540
[  325.720188]  ? rb_erase_cached+0xc78/0x3720
[  325.724512]  ? rb_erase_cached+0xc78/0x3720
[  325.728841]  ? rb_next+0x140/0x140
[  325.732394]  ? rb_next+0x140/0x140
[  325.735947]  ? rb_next+0x140/0x140
[  325.739570]  ? zap_class+0x640/0x640
[  325.743313]  ? zap_class+0x640/0x640
[  325.747030]  ? zap_class+0x640/0x640
[  325.750751]  ? zap_class+0x640/0x640
[  325.754466]  ? __update_load_avg_se+0x5eb/0xae0
[  325.759137]  ? __update_load_avg_blocked_se+0x690/0x690
[  325.764508]  ? __update_load_avg_se+0xae0/0xae0
[  325.769317]  ? zap_class+0x640/0x640
[  325.773048]  ? update_load_avg+0x387/0x2470
[  325.777383]  ? attach_entity_load_avg+0x860/0x860
[  325.782237]  ? update_load_avg+0x387/0x2470
[  325.786574]  ? attach_entity_load_avg+0x860/0x860
[  325.791438]  ? attach_entity_load_avg+0x860/0x860
[  325.796297]  ? attach_entity_load_avg+0x860/0x860
[  325.801148]  ? rb_erase+0x3710/0x3710
[  325.805175]  ? rb_erase+0x3710/0x3710
[  325.808977]  ? rb_erase+0x3710/0x3710
[  325.812784]  ? rb_erase+0x3710/0x3710
[  325.816593]  ? rb_erase+0x3710/0x3710
[  325.820414]  ? __lock_acquire+0x62f/0x4c20
[  325.824665]  ? zap_class+0x640/0x640
[  325.828381]  ? print_usage_bug+0xc0/0xc0
[  325.832446]  ? zap_class+0x640/0x640
[  325.836159]  ? zap_class+0x640/0x640
[  325.839904]  ? print_usage_bug+0xc0/0xc0
[  325.843974]  ? print_usage_bug+0xc0/0xc0
[  325.848038]  ? zap_class+0x640/0x640
[  325.851755]  ? __lock_is_held+0xb5/0x140
[  325.855830]  ? print_usage_bug+0xc0/0xc0
[  325.859905]  ? __lock_acquire+0x62f/0x4c20
[  325.864150]  ? mark_held_locks+0x130/0x130
[  325.868563]  ? print_usage_bug+0xc0/0xc0
[  325.872645]  ? rb_erase_cached+0xc78/0x3720
[  325.876978]  ? rb_next+0x140/0x140
[  325.880520]  ? rb_next+0x140/0x140
[  325.884068]  ? __lock_acquire+0x62f/0x4c20
[  325.888353]  ? __lock_acquire+0x62f/0x4c20
[  325.892590]  ? rcu_note_context_switch+0x12ad/0x2150
[  325.897704]  ? print_usage_bug+0xc0/0xc0
[  325.901784]  ? mark_held_locks+0x130/0x130
[  325.906028]  ? zap_class+0x640/0x640
[  325.909749]  ? print_usage_bug+0xc0/0xc0
[  325.913811]  ? put_dec+0x3b/0xf0
[  325.917199]  ? rb_next+0x140/0x140
[  325.920747]  ? __lock_acquire+0x62f/0x4c20
[  325.924984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.930530]  ? check_preemption_disabled+0x48/0x280
[  325.935566]  ? print_usage_bug+0xc0/0xc0
[  325.939649]  ? rb_erase_cached+0xc78/0x3720
[  325.943979]  ? rb_next+0x140/0x140
[  325.947535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.953076]  ? __isolate_lru_page+0xd05/0x1540
[  325.957673]  ? print_usage_bug+0xc0/0xc0
[  325.961744]  ? mark_held_locks+0x130/0x130
[  325.965978]  ? zap_class+0x640/0x640
[  325.969694]  ? update_load_avg+0x13b8/0x2470
[  325.974113]  ? print_usage_bug+0xc0/0xc0
[  325.978181]  ? zap_class+0x640/0x640
[  325.981900]  ? __lock_acquire+0x62f/0x4c20
[  325.986230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.991771]  ? check_preemption_disabled+0x48/0x280
[  325.996794]  ? __update_load_avg_blocked_se+0x690/0x690
[  326.002169]  ? __update_load_avg_se+0xae0/0xae0
[  326.006845]  ? zap_class+0x640/0x640
[  326.010574]  ? update_load_avg+0x387/0x2470
[  326.014967]  ? attach_entity_load_avg+0x860/0x860
[  326.019819]  ? update_load_avg+0x387/0x2470
[  326.024145]  ? attach_entity_load_avg+0x860/0x860
[  326.028997]  ? attach_entity_load_avg+0x860/0x860
[  326.033853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.039401]  ? __isolate_lru_page+0xd05/0x1540
[  326.044003]  ? putback_lru_page+0x280/0x280
[  326.048329]  ? rb_erase+0x3710/0x3710
[  326.052145]  ? mark_held_locks+0x130/0x130
[  326.056409]  ? cpuacct_charge+0x265/0x440
[  326.060593]  ? find_held_lock+0x36/0x1c0
[  326.064680]  ? zap_class+0x640/0x640
[  326.068406]  ? print_usage_bug+0xc0/0xc0
[  326.072469]  ? zap_class+0x640/0x640
[  326.076183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.081113]  ? kasan_check_read+0x11/0x20
[  326.085264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.090553]  ? zap_class+0x640/0x640
[  326.094288]  ? __lock_is_held+0xb5/0x140
[  326.098359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.103902]  ? check_preemption_disabled+0x48/0x280
[  326.108932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.114478]  ? check_preemption_disabled+0x48/0x280
[  326.119499]  ? __lock_is_held+0xb5/0x140
[  326.123573]  ? __this_cpu_preempt_check+0x1c/0x20
[  326.128426]  ? __mod_zone_page_state+0x8a/0xf0
[  326.133020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.138580]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  326.143808]  ? __isolate_lru_page+0x1540/0x1540
[  326.148498]  ? zap_class+0x640/0x640
[  326.152217]  ? print_usage_bug+0xc0/0xc0
[  326.156283]  ? __account_cfs_rq_runtime+0x790/0x790
[  326.161310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.166863]  ? find_held_lock+0x36/0x1c0
[  326.170934]  ? zap_class+0x640/0x640
[  326.174651]  ? print_usage_bug+0xc0/0xc0
[  326.178715]  ? mark_held_locks+0xc7/0x130
[  326.182876]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.187385]  ? zap_class+0x640/0x640
[  326.191102]  ? print_usage_bug+0xc0/0xc0
[  326.195174]  ? mark_held_locks+0xc7/0x130
[  326.199333]  ? find_held_lock+0x36/0x1c0
[  326.203407]  ? mark_held_locks+0xc7/0x130
[  326.207559]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.212057]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.216554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.221141]  ? trace_hardirqs_on+0xbd/0x310
[  326.225466]  ? kasan_check_read+0x11/0x20
[  326.229626]  ? shrink_inactive_list+0x741/0x1c60
[  326.234389]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.239497]  ? trace_hardirqs_on+0x310/0x310
[  326.243910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.249452]  ? check_preemption_disabled+0x48/0x280
[  326.254480]  shrink_inactive_list+0x77b/0x1c60
[  326.259077]  ? putback_inactive_pages+0x27e0/0x27e0
[  326.264100]  ? kasan_check_read+0x11/0x20
[  326.268252]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  326.273534]  ? __rcu_read_unlock+0x2d6/0x2e0
[  326.277948]  ? blk_lld_busy+0x70/0x70
[  326.281758]  ? kasan_check_read+0x11/0x20
[  326.285922]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  326.290870]  shrink_node_memcg+0x78b/0x18f0
[  326.295216]  ? shrink_active_list+0x1f00/0x1f00
[  326.299903]  ? lock_downgrade+0x900/0x900
[  326.304056]  ? check_flush_dependency+0x410/0x410
[  326.308908]  ? kasan_check_read+0x11/0x20
[  326.313060]  ? do_raw_spin_unlock+0xa7/0x330
[  326.317481]  ? ___preempt_schedule+0x16/0x18
[  326.321908]  ? _raw_spin_unlock+0x3f/0x50
[  326.326071]  shrink_node+0x3bc/0x16b0
[  326.329881]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  326.335188]  ? shrink_node_memcg+0x18f0/0x18f0
[  326.339784]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.344371]  ? trace_hardirqs_on+0xbd/0x310
[  326.348698]  ? vmpressure+0x271/0x340
[  326.352512]  ? do_raw_spin_trylock+0x270/0x270
[  326.357109]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  326.362656]  ? __cpuset_node_allowed+0x19b/0x660
[  326.367418]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  326.373137]  ? vmpressure+0x1a2/0x340
[  326.376955]  do_try_to_free_pages+0x3e7/0x1290
[  326.381543]  ? zap_class+0x640/0x640
[  326.385278]  ? shrink_node+0x16b0/0x16b0
[  326.389347]  ? __lock_is_held+0xb5/0x140
[  326.393428]  try_to_free_pages+0x4d0/0xb90
[  326.397672]  ? do_try_to_free_pages+0x1290/0x1290
[  326.402546]  ? lock_acquire+0x1ed/0x520
[  326.406524]  ? set_page_refcounted+0x280/0x280
[  326.411114]  ? lock_release+0xa00/0xa00
[  326.415092]  ? _raw_spin_unlock_irq+0x60/0x80
[  326.419589]  ? psi_memstall_enter+0x240/0x2b0
[  326.424097]  ? psi_memstall_tick+0x230/0x230
[  326.428520]  __alloc_pages_slowpath+0xa14/0x2e10
[  326.433309]  ? warn_alloc+0x120/0x120
[  326.437114]  ? mark_held_locks+0x130/0x130
[  326.441359]  ? find_get_entry+0xaae/0x1120
[  326.445615]  ? filemap_map_pages+0x1a20/0x1a20
[  326.450207]  ? zap_class+0x640/0x640
[  326.453929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.459476]  ? check_preemption_disabled+0x48/0x280
[  326.464496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.470039]  ? should_fail+0x22d/0xd01
[  326.473937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.479043]  ? zap_class+0x640/0x640
[  326.482785]  ? __lock_is_held+0xb5/0x140
[  326.486864]  ? mark_held_locks+0x130/0x130
[  326.491105]  ? lock_release+0xa00/0xa00
[  326.495082]  ? perf_trace_sched_process_exec+0x860/0x860
[  326.500532]  ? xa_load+0x2ba/0x460
[  326.504080]  ? lock_downgrade+0x900/0x900
[  326.508258]  ? __might_sleep+0x95/0x190
[  326.512242]  __alloc_pages_nodemask+0xa80/0xde0
[  326.516924]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  326.521945]  ? __page_cache_alloc+0x191/0x5c0
[  326.526442]  ? xa_load+0x2e1/0x460
[  326.529987]  ? xa_clear_mark+0x40/0x40
[  326.533882]  ? zap_class+0x640/0x640
[  326.537616]  ? zap_class+0x640/0x640
[  326.541334]  ? zap_class+0x640/0x640
[  326.545054]  ? __do_page_cache_readahead+0x663/0x810
[  326.550166]  ? find_held_lock+0x36/0x1c0
[  326.554236]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  326.559784]  alloc_pages_current+0x173/0x350
[  326.564202]  __page_cache_alloc+0x38c/0x5c0
[  326.568527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.573461]  ? kasan_check_read+0x11/0x20
[  326.577620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.582912]  ? generic_perform_write+0x6a0/0x6a0
[  326.587670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.593216]  ? check_preemption_disabled+0x48/0x280
[  326.598244]  filemap_fault+0x1595/0x25f0
[  326.602319]  ? __lock_page_or_retry+0xa00/0xa00
[  326.606993]  ? mark_held_locks+0x130/0x130
[  326.611238]  ? filemap_map_pages+0xd6b/0x1a20
[  326.615744]  ? lock_downgrade+0x900/0x900
[  326.619897]  ? check_preemption_disabled+0x48/0x280
[  326.624921]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.629855]  ? kasan_check_read+0x11/0x20
[  326.634014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.639529]  ? rcu_softirq_qs+0x20/0x20
[  326.643524]  ? filemap_map_pages+0xd92/0x1a20
[  326.648038]  ? find_get_entries_tag+0x1400/0x1400
[  326.652895]  ? debug_object_destroy+0x2b0/0x2b0
[  326.657572]  ? lock_pi_update_atomic+0x150/0x150
[  326.662340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.667898]  ? lock_acquire+0x1ed/0x520
[  326.671878]  ? ext4_filemap_fault+0x7a/0xad
[  326.676213]  ? lock_release+0xa00/0xa00
[  326.680190]  ? perf_trace_sched_process_exec+0x860/0x860
[  326.685650]  ? print_usage_bug+0xc0/0xc0
[  326.689720]  ? print_usage_bug+0xc0/0xc0
[  326.693798]  ? down_read+0x8d/0x120
[  326.697425]  ? ext4_filemap_fault+0x7a/0xad
[  326.701755]  ? __down_interruptible+0x700/0x700
[  326.706440]  ext4_filemap_fault+0x82/0xad
[  326.710623]  __do_fault+0x100/0x6b0
[  326.714257]  ? find_held_lock+0x36/0x1c0
[  326.718334]  ? pmd_devmap_trans_unstable+0x220/0x220
[  326.723448]  ? mark_held_locks+0x130/0x130
[  326.727696]  ? mark_held_locks+0x130/0x130
[  326.731934]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.736436]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.740940]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.745532]  ? kasan_check_read+0x11/0x20
[  326.749685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.755240]  __handle_mm_fault+0x3ea6/0x5be0
[  326.759665]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  326.764516]  ? finish_task_switch+0x1f4/0x910
[  326.769033]  ? finish_task_switch+0x1b4/0x910
[  326.773531]  ? __switch_to_asm+0x34/0x70
[  326.777609]  ? preempt_notifier_register+0x200/0x200
[  326.782713]  ? __switch_to_asm+0x34/0x70
[  326.786773]  ? __switch_to_asm+0x34/0x70
[  326.790853]  ? zap_class+0x640/0x640
[  326.794577]  ? zap_class+0x640/0x640
[  326.798304]  ? __x64_sys_futex+0x53e/0x6a0
[  326.802545]  ? find_held_lock+0x36/0x1c0
[  326.806626]  ? handle_mm_fault+0x42a/0xc70
[  326.810873]  ? lock_downgrade+0x900/0x900
[  326.815028]  ? check_preemption_disabled+0x48/0x280
[  326.820049]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.824983]  ? kasan_check_read+0x11/0x20
[  326.829133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.834414]  ? rcu_softirq_qs+0x20/0x20
[  326.838391]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.843506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.849046]  ? check_preemption_disabled+0x48/0x280
[  326.854074]  handle_mm_fault+0x54f/0xc70
[  326.858148]  ? __handle_mm_fault+0x5be0/0x5be0
[  326.862736]  ? find_vma+0x34/0x190
[  326.866286]  __do_page_fault+0x5e8/0xe60
[  326.870354]  ? trace_hardirqs_off+0xb8/0x310
[  326.874781]  do_page_fault+0xf2/0x7e0
[  326.878593]  ? vmalloc_sync_all+0x30/0x30
[  326.882761]  ? error_entry+0x70/0xd0
[  326.886487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.891511]  ? trace_hardirqs_on_caller+0xc0/0x310
[  326.896481]  ? syscall_return_slowpath+0x5e0/0x5e0
[  326.901425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.906287]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.911341]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  326.916814]  ? prepare_exit_to_usermode+0x291/0x3b0
[  326.921850]  ? page_fault+0x8/0x30
[  326.925422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.930281]  ? page_fault+0x8/0x30
[  326.933831]  page_fault+0x1e/0x30
[  326.937294] RIP: 0033:0x40f9c0
[  326.940505] Code: Bad RIP value.
[  326.943877] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  326.949247] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  326.956527] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  326.963802] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  326.971076] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  326.978347] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  326.985649] warn_alloc_show_mem: 1 callbacks suppressed
[  326.985661] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  326.985663] Mem-Info:
[  326.985694] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  326.985694]  active_file:14 inactive_file:15 isolated_file:0
[  326.985694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  326.985694]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  326.985694]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  326.985694]  free:13731 free_pcp:182 free_cma:0
[  326.991037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.997970] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  327.000372] Call Trace:
[  327.033426] 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
[  327.042784]  <IRQ>
[  327.070630] lowmem_reserve[]: 0 2818 6321 6321
[  327.073223]  dump_stack+0x244/0x39d
[  327.099318] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  327.101478]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.106032] lowmem_reserve[]: 0 0 3503 3503
[  327.109672]  warn_alloc.cold.116+0xb7/0x1bd
[  327.137423] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  327.142634]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  327.146934] lowmem_reserve[]: 0 0 0 0
[  327.151263]  ? lock_downgrade+0x900/0x900
[  327.180222] 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
[  327.185084]  ? trace_hardirqs_off+0xb8/0x310
[  327.188864] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  327.193012]  ? trace_hardirqs_off+0xb8/0x310
[  327.206523] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  327.210948]  __alloc_pages_slowpath+0x26e8/0x2e10
[  327.226203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  327.230651]  ? warn_alloc+0x120/0x120
[  327.245969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  327.250827]  ? warn_alloc+0x120/0x120
[  327.259663] 2704 total pagecache pages
[  327.263475]  ? warn_alloc+0x120/0x120
[  327.272035] 0 pages in swap cache
[  327.275847]  ? print_usage_bug+0xc0/0xc0
[  327.279713] Swap cache stats: add 0, delete 0, find 0/0
[  327.283509]  ? enqueue_hrtimer+0x1a5/0x560
[  327.286939] Free swap  = 0kB
[  327.290999]  ? print_usage_bug+0xc0/0xc0
[  327.296339] Total swap = 0kB
[  327.300583]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  327.303580] 1965979 pages RAM
[  327.307660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.310639] 0 pages HighMem/MovableOnly
[  327.310648] 342858 pages reserved
[  327.315842]  ? should_fail+0x22d/0xd01
[  327.318914] 0 pages cma reserved
[  327.318988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.324461]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.328520] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.331852]  ? __lock_acquire+0x62f/0x4c20
[  327.335722] syz-fuzzer cpuset=/ mems_allowed=0
[  327.339083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.374724]  ? __lock_acquire+0x62f/0x4c20
[  327.378959]  ? should_fail+0x22d/0xd01
[  327.382866]  ? mark_held_locks+0x130/0x130
[  327.387111]  ? mark_held_locks+0x130/0x130
[  327.391352]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  327.396382]  ? ktime_get+0x2c1/0x400
[  327.400104]  ? zap_class+0x640/0x640
[  327.403821]  ? print_usage_bug+0xc0/0xc0
[  327.407891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.413438]  ? check_preemption_disabled+0x48/0x280
[  327.418467]  ? __lock_is_held+0xb5/0x140
[  327.422537]  __alloc_pages_nodemask+0xa80/0xde0
[  327.427207]  ? zap_class+0x640/0x640
[  327.430932]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  327.435962]  ? find_held_lock+0x36/0x1c0
[  327.440036]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.444708]  ? lock_downgrade+0x900/0x900
[  327.448867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.454418]  cache_grow_begin+0xa5/0x8c0
[  327.458516]  ? do_raw_spin_unlock+0xa7/0x330
[  327.462945]  fallback_alloc+0x204/0x2e0
[  327.466930]  ____cache_alloc_node+0x1c7/0x1e0
[  327.471439]  kmem_cache_alloc_node+0xe3/0x730
[  327.475937]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.480190]  __alloc_skb+0x119/0x770
[  327.483910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.489201]  ? netdev_alloc_frag+0x1f0/0x1f0
[  327.493625]  ? lock_downgrade+0x900/0x900
[  327.497788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.503332]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.508809]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.514268]  ? addrconf_rs_timer+0x690/0x690
[  327.518692]  ndisc_alloc_skb+0x144/0x340
[  327.522763]  ndisc_send_rs+0x331/0x6e0
[  327.526661]  addrconf_rs_timer+0x314/0x690
[  327.530903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.535154]  call_timer_fn+0x272/0x920
[  327.539041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.543286]  ? process_timeout+0x40/0x40
[  327.547376]  ? __run_timers+0x7da/0xc70
[  327.551376]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.555881]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.560382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.564630]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.569219]  ? trace_hardirqs_on+0xbd/0x310
[  327.573545]  ? kasan_check_read+0x11/0x20
[  327.577696]  ? __run_timers+0x7da/0xc70
[  327.581678]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.586796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.591037]  __run_timers+0x7e5/0xc70
[  327.594857]  ? timer_fixup_init+0x70/0x70
[  327.599012]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  327.604035]  ? zap_class+0x640/0x640
[  327.607757]  ? enqueue_hrtimer+0x1a5/0x560
[  327.612001]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  327.617204]  ? find_held_lock+0x36/0x1c0
[  327.621276]  ? zap_class+0x640/0x640
[  327.624996]  ? pvclock_read_flags+0x160/0x160
[  327.629498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.635043]  ? check_preemption_disabled+0x48/0x280
[  327.640261]  ? __lock_is_held+0xb5/0x140
[  327.644331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.649879]  ? check_preemption_disabled+0x48/0x280
[  327.654903]  run_timer_softirq+0x52/0xb0
[  327.658967]  ? rcu_read_lock_sched_held+0x14f/0x180
[  327.664022]  __do_softirq+0x308/0xb7e
[  327.667829]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  327.672325]  ? lock_downgrade+0x900/0x900
[  327.676479]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  327.681605]  ? pvclock_read_flags+0x160/0x160
[  327.686105]  ? lapic_next_event+0x5a/0x90
[  327.690257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.695802]  ? kvm_clock_read+0x18/0x30
[  327.699782]  ? kvm_sched_clock_read+0x9/0x20
[  327.704198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.709743]  ? check_preemption_disabled+0x48/0x280
[  327.714770]  irq_exit+0x17f/0x1c0
[  327.718229]  smp_apic_timer_interrupt+0x1cb/0x760
[  327.723077]  ? smp_reschedule_interrupt+0x109/0x650
[  327.728098]  ? smp_call_function_single_interrupt+0x650/0x650
[  327.733983]  ? interrupt_entry+0xb5/0xc0
[  327.738049]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.743066]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.748087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.752934]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.757951]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.762973]  ? task_prio+0x50/0x50
[  327.766516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.772506]  ? check_preemption_disabled+0x48/0x280
[  327.777532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.782394]  apic_timer_interrupt+0xf/0x20
[  327.786629]  </IRQ>
[  327.789421] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  327.794354] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  327.813259] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  327.820963] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  327.828232] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  327.835501] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  327.842767] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  327.850036] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  327.857346]  skb_clone+0x1bb/0x500
[  327.860899]  ? finish_task_switch+0x1b4/0x910
[  327.865397]  ? skb_split+0x11e0/0x11e0
[  327.869288]  ? preempt_notifier_register+0x200/0x200
[  327.874391]  ? __switch_to_asm+0x34/0x70
[  327.878452]  ? __switch_to_asm+0x34/0x70
[  327.882526]  ? __switch_to_asm+0x40/0x70
[  327.886588]  ? __switch_to_asm+0x34/0x70
[  327.890657]  ? __switch_to_asm+0x40/0x70
[  327.894722]  ? __switch_to_asm+0x34/0x70
[  327.898788]  ? __switch_to_asm+0x40/0x70
[  327.902852]  ? __switch_to_asm+0x34/0x70
[  327.906918]  ? __switch_to_asm+0x34/0x70
[  327.910982]  ? __switch_to_asm+0x40/0x70
[  327.915047]  ? __switch_to_asm+0x34/0x70
[  327.919116]  bpf_clone_redirect+0xb9/0x490
[  327.923352]  ? __schedule+0x8d7/0x21d0
[  327.927254]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  327.932271]  ? __sched_text_start+0x8/0x8
[  327.936420]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.941188]  ? find_held_lock+0x36/0x1c0
[  327.945259]  ? lock_acquire+0x1ed/0x520
[  327.949233]  ? bpf_test_run+0x3cb/0x780
[  327.953209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.958751]  ? check_preemption_disabled+0x48/0x280
[  327.963774]  ? kasan_check_read+0x11/0x20
[  327.967922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.973202]  ? rcu_softirq_qs+0x20/0x20
[  327.977176]  ? preempt_schedule+0x4d/0x60
[  327.981324]  ? ___preempt_schedule+0x16/0x18
[  327.985744]  ? bpf_test_run+0x25d/0x780
[  327.989734]  ? netlink_diag_dump+0x2a0/0x2a0
[  327.994149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.999698]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  328.004464]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  328.009305]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  328.014844]  ? fput+0x130/0x1a0
[  328.018128]  ? __bpf_prog_get+0x9b/0x290
[  328.022195]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  328.027040]  ? bpf_prog_test_run+0x130/0x1a0
[  328.031455]  ? __x64_sys_bpf+0x3d8/0x520
[  328.035524]  ? bpf_prog_get+0x20/0x20
[  328.039347]  ? do_syscall_64+0x1b9/0x820
[  328.043418]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  328.048790]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.053724]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.058743]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  328.063764]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  328.070434]  ? __switch_to_asm+0x40/0x70
[  328.074494]  ? __switch_to_asm+0x34/0x70
[  328.078561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.083415]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  328.088799] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  328.088870] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.095385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.095390] Call Trace:
[  328.095397]  <IRQ>
[  328.095413]  dump_stack+0x244/0x39d
[  328.095431]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.101962] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.111261]  warn_alloc.cold.116+0xb7/0x1bd
[  328.113818] syz-executor1 cpuset=syz1 mems_allowed=0
[  328.115961]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.149450]  ? lock_downgrade+0x900/0x900
[  328.153616]  ? trace_hardirqs_off+0xb8/0x310
[  328.158034]  ? trace_hardirqs_off+0xb8/0x310
[  328.162454]  __alloc_pages_slowpath+0x26e8/0x2e10
[  328.167330]  ? warn_alloc+0x120/0x120
[  328.171139]  ? print_usage_bug+0xc0/0xc0
[  328.175207]  ? warn_alloc+0x120/0x120
[  328.179016]  ? warn_alloc+0x120/0x120
[  328.182818]  ? print_usage_bug+0xc0/0xc0
[  328.186888]  ? kvm_clock_read+0x18/0x30
[  328.190872]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  328.195893]  ? print_usage_bug+0xc0/0xc0
[  328.199961]  ? __lock_acquire+0x62f/0x4c20
[  328.204203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.209740]  ? should_fail+0x22d/0xd01
[  328.213633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.218914]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.224024]  ? __lock_acquire+0x62f/0x4c20
[  328.228267]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.233368]  ? __lock_acquire+0x62f/0x4c20
[  328.237609]  ? should_fail+0x22d/0xd01
[  328.241501]  ? rcu_irq_exit+0x1a2/0x390
[  328.245486]  ? mark_held_locks+0x130/0x130
[  328.249726]  ? mark_held_locks+0x130/0x130
[  328.253973]  ? mark_held_locks+0xc7/0x130
[  328.258126]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  328.263144]  ? zap_class+0x640/0x640
[  328.266865]  ? print_usage_bug+0xc0/0xc0
[  328.270936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.276476]  ? check_preemption_disabled+0x48/0x280
[  328.281503]  ? __lock_is_held+0xb5/0x140
[  328.285575]  __alloc_pages_nodemask+0xa80/0xde0
[  328.290253]  ? zap_class+0x640/0x640
[  328.293978]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.299006]  ? find_held_lock+0x36/0x1c0
[  328.303084]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.307760]  ? lock_downgrade+0x900/0x900
[  328.311919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.317464]  cache_grow_begin+0xa5/0x8c0
[  328.321526]  ? do_raw_spin_unlock+0xa7/0x330
[  328.325948]  fallback_alloc+0x204/0x2e0
[  328.329930]  ____cache_alloc_node+0x1c7/0x1e0
[  328.334434]  kmem_cache_alloc_node+0xe3/0x730
[  328.338929]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.343178]  __alloc_skb+0x119/0x770
[  328.346894]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.352189]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.356608]  ? lock_downgrade+0x900/0x900
[  328.360769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.366311]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.371769]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.377219]  ? addrconf_rs_timer+0x690/0x690
[  328.381649]  ndisc_alloc_skb+0x144/0x340
[  328.385715]  ndisc_send_rs+0x331/0x6e0
[  328.389615]  addrconf_rs_timer+0x314/0x690
[  328.393865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.398113]  call_timer_fn+0x272/0x920
[  328.402004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.406240]  ? process_timeout+0x40/0x40
[  328.410318]  ? mark_held_locks+0xc7/0x130
[  328.414469]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.418967]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.423464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.427699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.432292]  ? trace_hardirqs_on+0xbd/0x310
[  328.436622]  ? kasan_check_read+0x11/0x20
[  328.440773]  ? __run_timers+0x7da/0xc70
[  328.444749]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.449856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.454103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.458336]  __run_timers+0x7e5/0xc70
[  328.462154]  ? timer_fixup_init+0x70/0x70
[  328.466305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.471323]  ? zap_class+0x640/0x640
[  328.475041]  ? print_usage_bug+0xc0/0xc0
[  328.479109]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  328.484309]  ? find_held_lock+0x36/0x1c0
[  328.488379]  ? zap_class+0x640/0x640
[  328.492107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.497649]  ? check_preemption_disabled+0x48/0x280
[  328.502677]  ? __lock_is_held+0xb5/0x140
[  328.506743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.512283]  ? check_preemption_disabled+0x48/0x280
[  328.517309]  run_timer_softirq+0x52/0xb0
[  328.521371]  ? rcu_read_lock_sched_held+0x14f/0x180
[  328.526392]  __do_softirq+0x308/0xb7e
[  328.530205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  328.534702]  ? lock_downgrade+0x900/0x900
[  328.538867]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  328.543988]  ? pvclock_read_flags+0x160/0x160
[  328.548489]  ? lapic_next_event+0x5a/0x90
[  328.552646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.558193]  ? kvm_clock_read+0x18/0x30
[  328.562172]  ? kvm_sched_clock_read+0x9/0x20
[  328.566588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.572145]  ? check_preemption_disabled+0x48/0x280
[  328.577178]  irq_exit+0x17f/0x1c0
[  328.580640]  smp_apic_timer_interrupt+0x1cb/0x760
[  328.585494]  ? smp_reschedule_interrupt+0x109/0x650
[  328.590522]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.596409]  ? interrupt_entry+0xb5/0xc0
[  328.600498]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.605529]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.610549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.615394]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.620410]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.625426]  ? task_prio+0x50/0x50
[  328.628970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.634540]  ? check_preemption_disabled+0x48/0x280
[  328.639562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.644437]  apic_timer_interrupt+0xf/0x20
[  328.648682]  </IRQ>
[  328.650924] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  328.657075] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  328.675981] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  328.683694] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  328.690965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  328.698236] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  328.705506] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  328.712776] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  328.720067]  ? unlock_page+0x25d/0x4c0
[  328.723972]  unlock_page+0x25d/0x4c0
[  328.727696]  ? wake_up_page_bit+0x6f0/0x6f0
[  328.732018]  ? shrink_page_list+0x7e68/0xccd0
[  328.736516]  ? shrink_page_list+0x7e68/0xccd0
[  328.741014]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.745610]  ? shrink_inactive_list+0x77b/0x1c60
[  328.750372]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.755481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.761026]  ? check_preemption_disabled+0x48/0x280
[  328.766042]  ? shrink_page_list+0x145c/0xccd0
[  328.770549]  shrink_page_list+0x3714/0xccd0
[  328.774906]  ? page_evictable+0x540/0x540
[  328.779234]  ? rb_erase_cached+0xc78/0x3720
[  328.783559]  ? rb_erase_cached+0xc78/0x3720
[  328.787898]  ? rb_next+0x140/0x140
[  328.791447]  ? rb_next+0x140/0x140
[  328.794995]  ? rb_next+0x140/0x140
[  328.798621]  ? zap_class+0x640/0x640
[  328.802339]  ? zap_class+0x640/0x640
[  328.806057]  ? zap_class+0x640/0x640
[  328.809777]  ? zap_class+0x640/0x640
[  328.813492]  ? __update_load_avg_se+0x5eb/0xae0
[  328.818169]  ? __update_load_avg_blocked_se+0x690/0x690
[  328.823541]  ? __update_load_avg_se+0xae0/0xae0
[  328.828215]  ? zap_class+0x640/0x640
[  328.831944]  ? update_load_avg+0x387/0x2470
[  328.836279]  ? attach_entity_load_avg+0x860/0x860
[  328.841133]  ? update_load_avg+0x387/0x2470
[  328.845467]  ? attach_entity_load_avg+0x860/0x860
[  328.850316]  ? attach_entity_load_avg+0x860/0x860
[  328.855169]  ? attach_entity_load_avg+0x860/0x860
[  328.860022]  ? rb_erase+0x3710/0x3710
[  328.863828]  ? rb_erase+0x3710/0x3710
[  328.867636]  ? rb_erase+0x3710/0x3710
[  328.871442]  ? rb_erase+0x3710/0x3710
[  328.875250]  ? rb_erase+0x3710/0x3710
[  328.879060]  ? __lock_acquire+0x62f/0x4c20
[  328.883312]  ? zap_class+0x640/0x640
[  328.887029]  ? print_usage_bug+0xc0/0xc0
[  328.891094]  ? zap_class+0x640/0x640
[  328.894815]  ? zap_class+0x640/0x640
[  328.898533]  ? print_usage_bug+0xc0/0xc0
[  328.902608]  ? print_usage_bug+0xc0/0xc0
[  328.906672]  ? zap_class+0x640/0x640
[  328.910394]  ? __lock_is_held+0xb5/0x140
[  328.914471]  ? print_usage_bug+0xc0/0xc0
[  328.918551]  ? __lock_acquire+0x62f/0x4c20
[  328.922800]  ? mark_held_locks+0x130/0x130
[  328.927037]  ? print_usage_bug+0xc0/0xc0
[  328.931113]  ? rb_erase_cached+0xc78/0x3720
[  328.935446]  ? rb_next+0x140/0x140
[  328.938991]  ? rb_next+0x140/0x140
[  328.942535]  ? __lock_acquire+0x62f/0x4c20
[  328.946773]  ? __lock_acquire+0x62f/0x4c20
[  328.951012]  ? rcu_note_context_switch+0x12ad/0x2150
[  328.956121]  ? print_usage_bug+0xc0/0xc0
[  328.960196]  ? mark_held_locks+0x130/0x130
[  328.964443]  ? zap_class+0x640/0x640
[  328.968163]  ? print_usage_bug+0xc0/0xc0
[  328.972226]  ? put_dec+0x3b/0xf0
[  328.975622]  ? rb_next+0x140/0x140
[  328.979171]  ? __lock_acquire+0x62f/0x4c20
[  328.983414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.988959]  ? check_preemption_disabled+0x48/0x280
[  328.993995]  ? print_usage_bug+0xc0/0xc0
[  328.998069]  ? rb_erase_cached+0xc78/0x3720
[  329.002400]  ? rb_next+0x140/0x140
[  329.005958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.011498]  ? __isolate_lru_page+0xd05/0x1540
[  329.016095]  ? print_usage_bug+0xc0/0xc0
[  329.020166]  ? mark_held_locks+0x130/0x130
[  329.024405]  ? zap_class+0x640/0x640
[  329.028139]  ? update_load_avg+0x13b8/0x2470
[  329.032558]  ? print_usage_bug+0xc0/0xc0
[  329.036635]  ? zap_class+0x640/0x640
[  329.040353]  ? __lock_acquire+0x62f/0x4c20
[  329.044590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.050141]  ? check_preemption_disabled+0x48/0x280
[  329.055167]  ? __update_load_avg_blocked_se+0x690/0x690
[  329.060540]  ? __update_load_avg_se+0xae0/0xae0
[  329.065210]  ? zap_class+0x640/0x640
[  329.068933]  ? update_load_avg+0x387/0x2470
[  329.073264]  ? attach_entity_load_avg+0x860/0x860
[  329.078116]  ? update_load_avg+0x387/0x2470
[  329.082444]  ? attach_entity_load_avg+0x860/0x860
[  329.087295]  ? attach_entity_load_avg+0x860/0x860
[  329.092148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.097696]  ? __isolate_lru_page+0xd05/0x1540
[  329.102287]  ? putback_lru_page+0x280/0x280
[  329.106623]  ? rb_erase+0x3710/0x3710
[  329.110442]  ? mark_held_locks+0x130/0x130
[  329.114688]  ? cpuacct_charge+0x265/0x440
[  329.118849]  ? find_held_lock+0x36/0x1c0
[  329.122935]  ? zap_class+0x640/0x640
[  329.126657]  ? print_usage_bug+0xc0/0xc0
[  329.130724]  ? zap_class+0x640/0x640
[  329.134445]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.139379]  ? kasan_check_read+0x11/0x20
[  329.143539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.148829]  ? zap_class+0x640/0x640
[  329.152553]  ? __lock_is_held+0xb5/0x140
[  329.156631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.162192]  ? check_preemption_disabled+0x48/0x280
[  329.167232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.172785]  ? check_preemption_disabled+0x48/0x280
[  329.177809]  ? __lock_is_held+0xb5/0x140
[  329.181889]  ? __this_cpu_preempt_check+0x1c/0x20
[  329.186739]  ? __mod_zone_page_state+0x8a/0xf0
[  329.191335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.196884]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  329.202100]  ? __isolate_lru_page+0x1540/0x1540
[  329.206788]  ? zap_class+0x640/0x640
[  329.210514]  ? print_usage_bug+0xc0/0xc0
[  329.214581]  ? __account_cfs_rq_runtime+0x790/0x790
[  329.219623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.225170]  ? find_held_lock+0x36/0x1c0
[  329.229240]  ? zap_class+0x640/0x640
[  329.232962]  ? print_usage_bug+0xc0/0xc0
[  329.237026]  ? mark_held_locks+0xc7/0x130
[  329.241184]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.245691]  ? zap_class+0x640/0x640
[  329.249413]  ? print_usage_bug+0xc0/0xc0
[  329.253489]  ? mark_held_locks+0xc7/0x130
[  329.257650]  ? find_held_lock+0x36/0x1c0
[  329.261728]  ? mark_held_locks+0xc7/0x130
[  329.265885]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.270384]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.274889]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.279481]  ? trace_hardirqs_on+0xbd/0x310
[  329.283808]  ? kasan_check_read+0x11/0x20
[  329.287963]  ? shrink_inactive_list+0x741/0x1c60
[  329.292721]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.297826]  ? trace_hardirqs_on+0x310/0x310
[  329.302245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.307790]  ? check_preemption_disabled+0x48/0x280
[  329.312821]  shrink_inactive_list+0x77b/0x1c60
[  329.317419]  ? putback_inactive_pages+0x27e0/0x27e0
[  329.322442]  ? kasan_check_read+0x11/0x20
[  329.326627]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  329.331911]  ? __rcu_read_unlock+0x2d6/0x2e0
[  329.336326]  ? blk_lld_busy+0x70/0x70
[  329.340130]  ? kasan_check_read+0x11/0x20
[  329.344295]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  329.349287]  shrink_node_memcg+0x78b/0x18f0
[  329.353640]  ? shrink_active_list+0x1f00/0x1f00
[  329.358323]  ? lock_downgrade+0x900/0x900
[  329.362520]  ? check_flush_dependency+0x410/0x410
[  329.367372]  ? kasan_check_read+0x11/0x20
[  329.371529]  ? do_raw_spin_unlock+0xa7/0x330
[  329.375950]  ? ___preempt_schedule+0x16/0x18
[  329.380372]  ? _raw_spin_unlock+0x3f/0x50
[  329.384550]  shrink_node+0x3bc/0x16b0
[  329.388357]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  329.393669]  ? shrink_node_memcg+0x18f0/0x18f0
[  329.398255]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.402844]  ? trace_hardirqs_on+0xbd/0x310
[  329.407173]  ? vmpressure+0x271/0x340
[  329.410981]  ? do_raw_spin_trylock+0x270/0x270
[  329.415573]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.421126]  ? __cpuset_node_allowed+0x19b/0x660
[  329.425896]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  329.431618]  ? vmpressure+0x1a2/0x340
[  329.435434]  do_try_to_free_pages+0x3e7/0x1290
[  329.440018]  ? zap_class+0x640/0x640
[  329.443751]  ? shrink_node+0x16b0/0x16b0
[  329.447818]  ? __lock_is_held+0xb5/0x140
[  329.451906]  try_to_free_pages+0x4d0/0xb90
[  329.456150]  ? do_try_to_free_pages+0x1290/0x1290
[  329.461008]  ? lock_acquire+0x1ed/0x520
[  329.464983]  ? set_page_refcounted+0x280/0x280
[  329.469577]  ? lock_release+0xa00/0xa00
[  329.473564]  ? _raw_spin_unlock_irq+0x60/0x80
[  329.478071]  ? psi_memstall_enter+0x240/0x2b0
[  329.482571]  ? psi_memstall_tick+0x230/0x230
[  329.487004]  __alloc_pages_slowpath+0xa14/0x2e10
[  329.491792]  ? warn_alloc+0x120/0x120
[  329.495604]  ? mark_held_locks+0x130/0x130
[  329.499852]  ? find_get_entry+0xaae/0x1120
[  329.504109]  ? filemap_map_pages+0x1a20/0x1a20
[  329.508700]  ? zap_class+0x640/0x640
[  329.512426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.517967]  ? check_preemption_disabled+0x48/0x280
[  329.522987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.528526]  ? should_fail+0x22d/0xd01
[  329.532422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.537532]  ? zap_class+0x640/0x640
[  329.541277]  ? __lock_is_held+0xb5/0x140
[  329.545352]  ? mark_held_locks+0x130/0x130
[  329.549590]  ? lock_release+0xa00/0xa00
[  329.553578]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.559036]  ? xa_load+0x2ba/0x460
[  329.562579]  ? lock_downgrade+0x900/0x900
[  329.566739]  ? __might_sleep+0x95/0x190
[  329.570721]  __alloc_pages_nodemask+0xa80/0xde0
[  329.575401]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.580424]  ? __page_cache_alloc+0x191/0x5c0
[  329.584921]  ? xa_load+0x2e1/0x460
[  329.588463]  ? xa_clear_mark+0x40/0x40
[  329.592358]  ? zap_class+0x640/0x640
[  329.596087]  ? zap_class+0x640/0x640
[  329.599807]  ? zap_class+0x640/0x640
[  329.603527]  ? __do_page_cache_readahead+0x663/0x810
[  329.608645]  ? find_held_lock+0x36/0x1c0
[  329.612718]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  329.618263]  alloc_pages_current+0x173/0x350
[  329.622685]  __page_cache_alloc+0x38c/0x5c0
[  329.627009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.631943]  ? kasan_check_read+0x11/0x20
[  329.636096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.641629]  ? generic_perform_write+0x6a0/0x6a0
[  329.646396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.651936]  ? check_preemption_disabled+0x48/0x280
[  329.656962]  filemap_fault+0x1595/0x25f0
[  329.661038]  ? __lock_page_or_retry+0xa00/0xa00
[  329.665719]  ? mark_held_locks+0x130/0x130
[  329.669965]  ? filemap_map_pages+0xd6b/0x1a20
[  329.674467]  ? lock_downgrade+0x900/0x900
[  329.678623]  ? check_preemption_disabled+0x48/0x280
[  329.683645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.688580]  ? kasan_check_read+0x11/0x20
[  329.692739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.698015]  ? rcu_softirq_qs+0x20/0x20
[  329.702006]  ? filemap_map_pages+0xd92/0x1a20
[  329.706518]  ? find_get_entries_tag+0x1400/0x1400
[  329.711367]  ? debug_object_destroy+0x2b0/0x2b0
[  329.716042]  ? lock_pi_update_atomic+0x150/0x150
[  329.720800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.726355]  ? lock_acquire+0x1ed/0x520
[  329.730330]  ? ext4_filemap_fault+0x7a/0xad
[  329.734664]  ? lock_release+0xa00/0xa00
[  329.738638]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.744092]  ? print_usage_bug+0xc0/0xc0
[  329.748156]  ? print_usage_bug+0xc0/0xc0
[  329.752234]  ? down_read+0x8d/0x120
[  329.755886]  ? ext4_filemap_fault+0x7a/0xad
[  329.760216]  ? __down_interruptible+0x700/0x700
[  329.764902]  ext4_filemap_fault+0x82/0xad
[  329.769229]  __do_fault+0x100/0x6b0
[  329.772866]  ? find_held_lock+0x36/0x1c0
[  329.776939]  ? pmd_devmap_trans_unstable+0x220/0x220
[  329.782049]  ? mark_held_locks+0x130/0x130
[  329.786290]  ? mark_held_locks+0x130/0x130
[  329.790529]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.795025]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.799528]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.804115]  ? kasan_check_read+0x11/0x20
[  329.808473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.814018]  __handle_mm_fault+0x3ea6/0x5be0
[  329.818443]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  329.823289]  ? finish_task_switch+0x1f4/0x910
[  329.827794]  ? finish_task_switch+0x1b4/0x910
[  329.832292]  ? __switch_to_asm+0x34/0x70
[  329.836365]  ? preempt_notifier_register+0x200/0x200
[  329.841476]  ? __switch_to_asm+0x34/0x70
[  329.845541]  ? __switch_to_asm+0x34/0x70
[  329.849629]  ? zap_class+0x640/0x640
[  329.853348]  ? zap_class+0x640/0x640
[  329.857062]  ? __x64_sys_futex+0x53e/0x6a0
[  329.861302]  ? find_held_lock+0x36/0x1c0
[  329.865380]  ? handle_mm_fault+0x42a/0xc70
[  329.869633]  ? lock_downgrade+0x900/0x900
[  329.873787]  ? check_preemption_disabled+0x48/0x280
[  329.878813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.883749]  ? kasan_check_read+0x11/0x20
[  329.887899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.893181]  ? rcu_softirq_qs+0x20/0x20
[  329.897157]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.902269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.907808]  ? check_preemption_disabled+0x48/0x280
[  329.912839]  handle_mm_fault+0x54f/0xc70
[  329.916916]  ? __handle_mm_fault+0x5be0/0x5be0
[  329.921504]  ? find_vma+0x34/0x190
[  329.925050]  __do_page_fault+0x5e8/0xe60
[  329.929113]  ? trace_hardirqs_off+0xb8/0x310
[  329.933538]  do_page_fault+0xf2/0x7e0
[  329.937342]  ? vmalloc_sync_all+0x30/0x30
[  329.941498]  ? error_entry+0x70/0xd0
[  329.945216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.950234]  ? trace_hardirqs_on_caller+0xc0/0x310
[  329.955165]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.960095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.964939]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.969959]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  329.975420]  ? prepare_exit_to_usermode+0x291/0x3b0
[  329.980444]  ? page_fault+0x8/0x30
[  329.983992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.988841]  ? page_fault+0x8/0x30
[  329.992392]  page_fault+0x1e/0x30
[  329.995849] RIP: 0033:0x40f9c0
[  329.999060] Code: Bad RIP value.
[  330.002423] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  330.007786] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  330.015057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  330.022329] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  330.029604] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  330.036882] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  330.044180] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  330.044186] warn_alloc_show_mem: 1 callbacks suppressed
[  330.044193] Mem-Info:
[  330.051123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.056491] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  330.056491]  active_file:14 inactive_file:15 isolated_file:0
[  330.056491]  unevictable:0 dirty:0 writeback:0 unstable:0
[  330.056491]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  330.056491]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  330.056491]  free:13731 free_pcp:182 free_cma:0
[  330.058869] Call Trace:
[  330.068258] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  330.101286]  <IRQ>
[  330.103864] 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
[  330.131715]  dump_stack+0x244/0x39d
[  330.133842] lowmem_reserve[]: 0 2818 6321 6321
[  330.159962]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.163565] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  330.168150]  warn_alloc.cold.116+0xb7/0x1bd
[  330.173304] lowmem_reserve[]: 0 0 3503 3503
[  330.201090]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.205364] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  330.209695]  ? lock_downgrade+0x900/0x900
[  330.214511] lowmem_reserve[]: 0 0 0 0
[  330.243487]  ? trace_hardirqs_off+0xb8/0x310
[  330.247615] 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
[  330.251410]  ? trace_hardirqs_off+0xb8/0x310
[  330.255794] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  330.269318]  __alloc_pages_slowpath+0x26e8/0x2e10
[  330.273699] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  330.288885]  ? warn_alloc+0x120/0x120
[  330.293694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.309032]  ? print_usage_bug+0xc0/0xc0
[  330.312817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.321641]  ? warn_alloc+0x120/0x120
[  330.325677] 2704 total pagecache pages
[  330.334244]  ? warn_alloc+0x120/0x120
[  330.338028] 0 pages in swap cache
[  330.341902]  ? print_usage_bug+0xc0/0xc0
[  330.345682] Swap cache stats: add 0, delete 0, find 0/0
[  330.349126]  ? print_usage_bug+0xc0/0xc0
[  330.353165] Free swap  = 0kB
[  330.358520]  ? __lock_acquire+0x62f/0x4c20
[  330.362554] Total swap = 0kB
[  330.365567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.369775] 1965979 pages RAM
[  330.372791]  ? should_fail+0x22d/0xd01
[  330.378305] 0 pages HighMem/MovableOnly
[  330.381403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.385264] 342858 pages reserved
[  330.389232]  ? __lock_acquire+0x62f/0x4c20
[  330.394309] 0 pages cma reserved
[  330.397753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.402028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.405318]  ? __lock_acquire+0x62f/0x4c20
[  330.405330]  ? should_fail+0x22d/0xd01
[  330.405344]  ? find_held_lock+0x36/0x1c0
[  330.405372]  ? mark_held_locks+0x130/0x130
[  330.410508] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.416937]  ? mark_held_locks+0x130/0x130
[  330.421149] syz-fuzzer cpuset=/ mems_allowed=0
[  330.425030]  ? zap_class+0x640/0x640
[  330.455979]  ? zap_class+0x640/0x640
[  330.459699]  ? print_usage_bug+0xc0/0xc0
[  330.463764]  ? do_raw_spin_unlock+0xa7/0x330
[  330.468183]  ? zap_class+0x640/0x640
[  330.471901]  ? print_usage_bug+0xc0/0xc0
[  330.475961]  ? wq_watchdog_touch+0x9c/0xfe
[  330.480206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.485751]  ? check_preemption_disabled+0x48/0x280
[  330.490783]  ? __lock_is_held+0xb5/0x140
[  330.494852]  __alloc_pages_nodemask+0xa80/0xde0
[  330.499528]  ? zap_class+0x640/0x640
[  330.503246]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  330.508278]  ? find_held_lock+0x36/0x1c0
[  330.512350]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.517029]  ? lock_downgrade+0x900/0x900
[  330.521187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.526729]  cache_grow_begin+0xa5/0x8c0
[  330.530793]  ? do_raw_spin_unlock+0xa7/0x330
[  330.535212]  fallback_alloc+0x204/0x2e0
[  330.539193]  ____cache_alloc_node+0x1c7/0x1e0
[  330.543696]  kmem_cache_alloc_node+0xe3/0x730
[  330.548193]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.552438]  __alloc_skb+0x119/0x770
[  330.556151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.561435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.565853]  ? lock_downgrade+0x900/0x900
[  330.570010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.575553]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.581011]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.586461]  ? addrconf_rs_timer+0x690/0x690
[  330.590884]  ndisc_alloc_skb+0x144/0x340
[  330.594953]  ndisc_send_rs+0x331/0x6e0
[  330.598848]  addrconf_rs_timer+0x314/0x690
[  330.603092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.607336]  call_timer_fn+0x272/0x920
[  330.611225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.615464]  ? process_timeout+0x40/0x40
[  330.619533]  ? __run_timers+0x7da/0xc70
[  330.623512]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.628007]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.632504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.636743]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.641330]  ? trace_hardirqs_on+0xbd/0x310
[  330.645657]  ? kasan_check_read+0x11/0x20
[  330.649804]  ? __run_timers+0x7da/0xc70
[  330.653787]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.658896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.663139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.667381]  __run_timers+0x7e5/0xc70
[  330.671194]  ? timer_fixup_init+0x70/0x70
[  330.675344]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.680372]  ? zap_class+0x640/0x640
[  330.684092]  ? enqueue_hrtimer+0x1a5/0x560
[  330.688335]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.693536]  ? find_held_lock+0x36/0x1c0
[  330.697614]  ? zap_class+0x640/0x640
[  330.701334]  ? pvclock_read_flags+0x160/0x160
[  330.705864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.711408]  ? check_preemption_disabled+0x48/0x280
[  330.716439]  ? __lock_is_held+0xb5/0x140
[  330.720502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.726042]  ? check_preemption_disabled+0x48/0x280
[  330.731064]  run_timer_softirq+0x52/0xb0
[  330.735131]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.740148]  __do_softirq+0x308/0xb7e
[  330.743953]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  330.748449]  ? lock_downgrade+0x900/0x900
[  330.752609]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.757727]  ? pvclock_read_flags+0x160/0x160
[  330.762224]  ? lapic_next_event+0x5a/0x90
[  330.766379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.772418]  ? kvm_clock_read+0x18/0x30
[  330.776397]  ? kvm_sched_clock_read+0x9/0x20
[  330.780838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.786385]  ? check_preemption_disabled+0x48/0x280
[  330.791416]  irq_exit+0x17f/0x1c0
[  330.794875]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.799724]  ? smp_reschedule_interrupt+0x109/0x650
[  330.804749]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.810637]  ? interrupt_entry+0xb5/0xc0
[  330.814708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.819727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.824744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.829593]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.834627]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.840081]  ? task_prio+0x50/0x50
[  330.843635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.849178]  ? check_preemption_disabled+0x48/0x280
[  330.854202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.859056]  apic_timer_interrupt+0xf/0x20
[  330.863285]  </IRQ>
[  330.865532] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  330.870466] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  330.889372] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  330.897086] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  330.904363] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  330.911631] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  330.918897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  330.926165] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  330.933477]  skb_clone+0x1bb/0x500
[  330.937023]  ? finish_task_switch+0x1b4/0x910
[  330.941520]  ? skb_split+0x11e0/0x11e0
[  330.945415]  ? preempt_notifier_register+0x200/0x200
[  330.950521]  ? __switch_to_asm+0x34/0x70
[  330.954588]  ? __switch_to_asm+0x34/0x70
[  330.958664]  ? __switch_to_asm+0x40/0x70
[  330.962727]  ? __switch_to_asm+0x34/0x70
[  330.966791]  ? __switch_to_asm+0x40/0x70
[  330.970853]  ? __switch_to_asm+0x34/0x70
[  330.974913]  ? __switch_to_asm+0x40/0x70
[  330.978976]  ? __switch_to_asm+0x34/0x70
[  330.983042]  ? __switch_to_asm+0x34/0x70
[  330.987105]  ? __switch_to_asm+0x40/0x70
[  330.991168]  ? __switch_to_asm+0x34/0x70
[  330.995238]  bpf_clone_redirect+0xb9/0x490
[  330.999473]  ? __schedule+0x8d7/0x21d0
[  331.003378]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  331.008400]  ? __sched_text_start+0x8/0x8
[  331.012554]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  331.017327]  ? find_held_lock+0x36/0x1c0
[  331.021404]  ? lock_acquire+0x1ed/0x520
[  331.025380]  ? bpf_test_run+0x3cb/0x780
[  331.029362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.034906]  ? check_preemption_disabled+0x48/0x280
[  331.039934]  ? kasan_check_read+0x11/0x20
[  331.044083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.049365]  ? rcu_softirq_qs+0x20/0x20
[  331.053343]  ? preempt_schedule+0x4d/0x60
[  331.057496]  ? ___preempt_schedule+0x16/0x18
[  331.061917]  ? bpf_test_run+0x25d/0x780
[  331.065905]  ? netlink_diag_dump+0x2a0/0x2a0
[  331.070322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.075868]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  331.080645]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  331.085488]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  331.091026]  ? fput+0x130/0x1a0
[  331.094308]  ? __bpf_prog_get+0x9b/0x290
[  331.098381]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  331.103228]  ? bpf_prog_test_run+0x130/0x1a0
[  331.107642]  ? __x64_sys_bpf+0x3d8/0x520
[  331.111707]  ? bpf_prog_get+0x20/0x20
[  331.115533]  ? do_syscall_64+0x1b9/0x820
[  331.119606]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  331.124975]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.129909]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.134932]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  331.139953]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  331.146632]  ? __switch_to_asm+0x40/0x70
[  331.150692]  ? __switch_to_asm+0x34/0x70
[  331.154767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.159630]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  331.165018] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  331.165096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  331.171608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.171617] Call Trace:
[  331.178184] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.187439]  <IRQ>
[  331.190011] syz-executor1 cpuset=syz1 mems_allowed=0
[  331.200491]  dump_stack+0x244/0x39d
[  331.211336]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.216545]  warn_alloc.cold.116+0xb7/0x1bd
[  331.220880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.225730]  ? lock_downgrade+0x900/0x900
[  331.229944]  ? trace_hardirqs_off+0xb8/0x310
[  331.234362]  ? trace_hardirqs_off+0xb8/0x310
[  331.238781]  __alloc_pages_slowpath+0x26e8/0x2e10
[  331.243668]  ? warn_alloc+0x120/0x120
[  331.247473]  ? print_usage_bug+0xc0/0xc0
[  331.251538]  ? warn_alloc+0x120/0x120
[  331.255347]  ? warn_alloc+0x120/0x120
[  331.259154]  ? print_usage_bug+0xc0/0xc0
[  331.263224]  ? print_usage_bug+0xc0/0xc0
[  331.267289]  ? __lock_acquire+0x62f/0x4c20
[  331.271534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.277072]  ? should_fail+0x22d/0xd01
[  331.280965]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.286068]  ? __lock_acquire+0x62f/0x4c20
[  331.290314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.295420]  ? __lock_acquire+0x62f/0x4c20
[  331.299653]  ? should_fail+0x22d/0xd01
[  331.303544]  ? find_held_lock+0x36/0x1c0
[  331.307623]  ? mark_held_locks+0x130/0x130
[  331.311872]  ? mark_held_locks+0x130/0x130
[  331.316107]  ? zap_class+0x640/0x640
[  331.319821]  ? zap_class+0x640/0x640
[  331.323537]  ? print_usage_bug+0xc0/0xc0
[  331.327606]  ? do_raw_spin_unlock+0xa7/0x330
[  331.332018]  ? zap_class+0x640/0x640
[  331.335732]  ? print_usage_bug+0xc0/0xc0
[  331.339794]  ? wq_watchdog_touch+0x9c/0xfe
[  331.344035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.349574]  ? check_preemption_disabled+0x48/0x280
[  331.354621]  ? __lock_is_held+0xb5/0x140
[  331.358691]  __alloc_pages_nodemask+0xa80/0xde0
[  331.363360]  ? zap_class+0x640/0x640
[  331.367087]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.372117]  ? find_held_lock+0x36/0x1c0
[  331.376193]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.380871]  ? lock_downgrade+0x900/0x900
[  331.385029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.390578]  cache_grow_begin+0xa5/0x8c0
[  331.394653]  ? do_raw_spin_unlock+0xa7/0x330
[  331.399075]  fallback_alloc+0x204/0x2e0
[  331.403059]  ____cache_alloc_node+0x1c7/0x1e0
[  331.407561]  kmem_cache_alloc_node+0xe3/0x730
[  331.412065]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.416313]  __alloc_skb+0x119/0x770
[  331.420031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.425317]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.429728]  ? lock_downgrade+0x900/0x900
[  331.433891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.439432]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.444891]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.450345]  ? addrconf_rs_timer+0x690/0x690
[  331.454768]  ndisc_alloc_skb+0x144/0x340
[  331.458838]  ndisc_send_rs+0x331/0x6e0
[  331.462734]  addrconf_rs_timer+0x314/0x690
[  331.466979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.471229]  call_timer_fn+0x272/0x920
[  331.475117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.479355]  ? process_timeout+0x40/0x40
[  331.483430]  ? mark_held_locks+0xc7/0x130
[  331.487592]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.492099]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.496592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.500929]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.505516]  ? trace_hardirqs_on+0xbd/0x310
[  331.509840]  ? kasan_check_read+0x11/0x20
[  331.513993]  ? __run_timers+0x7da/0xc70
[  331.517969]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.523075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.527314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.531550]  __run_timers+0x7e5/0xc70
[  331.535365]  ? timer_fixup_init+0x70/0x70
[  331.539522]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.544543]  ? zap_class+0x640/0x640
[  331.548262]  ? print_usage_bug+0xc0/0xc0
[  331.552327]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.557524]  ? find_held_lock+0x36/0x1c0
[  331.561593]  ? zap_class+0x640/0x640
[  331.565325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.570874]  ? check_preemption_disabled+0x48/0x280
[  331.575904]  ? __lock_is_held+0xb5/0x140
[  331.579970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.585509]  ? check_preemption_disabled+0x48/0x280
[  331.590530]  run_timer_softirq+0x52/0xb0
[  331.594607]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.599632]  __do_softirq+0x308/0xb7e
[  331.603442]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.607942]  ? lock_downgrade+0x900/0x900
[  331.612095]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.617213]  ? pvclock_read_flags+0x160/0x160
[  331.621731]  ? lapic_next_event+0x5a/0x90
[  331.625890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.631433]  ? kvm_clock_read+0x18/0x30
[  331.635408]  ? kvm_sched_clock_read+0x9/0x20
[  331.640056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.645714]  ? check_preemption_disabled+0x48/0x280
[  331.650748]  irq_exit+0x17f/0x1c0
[  331.654210]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.659060]  ? smp_reschedule_interrupt+0x109/0x650
[  331.664084]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.669993]  ? interrupt_entry+0xb5/0xc0
[  331.674061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.679079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.684096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.688946]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.693961]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.698982]  ? task_prio+0x50/0x50
[  331.702528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.708377]  ? check_preemption_disabled+0x48/0x280
[  331.713403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.718259]  apic_timer_interrupt+0xf/0x20
[  331.722488]  </IRQ>
[  331.724734] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  331.730886] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  331.749790] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  331.757501] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  331.764768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  331.772190] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  331.779460] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  331.786732] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  331.794027]  ? unlock_page+0x25d/0x4c0
[  331.797935]  unlock_page+0x25d/0x4c0
[  331.801658]  ? wake_up_page_bit+0x6f0/0x6f0
[  331.805983]  ? shrink_page_list+0x7e68/0xccd0
[  331.810477]  ? shrink_page_list+0x7e68/0xccd0
[  331.814983]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.819572]  ? shrink_inactive_list+0x77b/0x1c60
[  331.824344]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.829460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.835005]  ? check_preemption_disabled+0x48/0x280
[  331.840022]  ? shrink_page_list+0x145c/0xccd0
[  331.844526]  shrink_page_list+0x3714/0xccd0
[  331.848881]  ? page_evictable+0x540/0x540
[  331.853204]  ? rb_erase_cached+0xc78/0x3720
[  331.857527]  ? rb_erase_cached+0xc78/0x3720
[  331.861856]  ? rb_next+0x140/0x140
[  331.865412]  ? rb_next+0x140/0x140
[  331.868957]  ? rb_next+0x140/0x140
[  331.872580]  ? zap_class+0x640/0x640
[  331.876305]  ? zap_class+0x640/0x640
[  331.880022]  ? zap_class+0x640/0x640
[  331.883741]  ? zap_class+0x640/0x640
[  331.887456]  ? __update_load_avg_se+0x5eb/0xae0
[  331.892128]  ? __update_load_avg_blocked_se+0x690/0x690
[  331.897500]  ? __update_load_avg_se+0xae0/0xae0
[  331.902173]  ? zap_class+0x640/0x640
[  331.905905]  ? update_load_avg+0x387/0x2470
[  331.910237]  ? attach_entity_load_avg+0x860/0x860
[  331.915089]  ? update_load_avg+0x387/0x2470
[  331.919421]  ? attach_entity_load_avg+0x860/0x860
[  331.924269]  ? attach_entity_load_avg+0x860/0x860
[  331.929117]  ? attach_entity_load_avg+0x860/0x860
[  331.933961]  ? rb_erase+0x3710/0x3710
[  331.937764]  ? rb_erase+0x3710/0x3710
[  331.941570]  ? rb_erase+0x3710/0x3710
[  331.945379]  ? rb_erase+0x3710/0x3710
[  331.949190]  ? rb_erase+0x3710/0x3710
[  331.953004]  ? __lock_acquire+0x62f/0x4c20
[  331.957250]  ? zap_class+0x640/0x640
[  331.960966]  ? print_usage_bug+0xc0/0xc0
[  331.965028]  ? zap_class+0x640/0x640
[  331.968744]  ? zap_class+0x640/0x640
[  331.972465]  ? print_usage_bug+0xc0/0xc0
[  331.976530]  ? print_usage_bug+0xc0/0xc0
[  331.980594]  ? zap_class+0x640/0x640
[  331.984321]  ? __lock_is_held+0xb5/0x140
[  331.988397]  ? print_usage_bug+0xc0/0xc0
[  331.992470]  ? __lock_acquire+0x62f/0x4c20
[  331.996717]  ? mark_held_locks+0x130/0x130
[  332.000957]  ? print_usage_bug+0xc0/0xc0
[  332.005029]  ? rb_erase_cached+0xc78/0x3720
[  332.009360]  ? rb_next+0x140/0x140
[  332.012906]  ? rb_next+0x140/0x140
[  332.016466]  ? __lock_acquire+0x62f/0x4c20
[  332.020717]  ? __lock_acquire+0x62f/0x4c20
[  332.024959]  ? rcu_note_context_switch+0x12ad/0x2150
[  332.030065]  ? print_usage_bug+0xc0/0xc0
[  332.034142]  ? mark_held_locks+0x130/0x130
[  332.038383]  ? zap_class+0x640/0x640
[  332.042133]  ? print_usage_bug+0xc0/0xc0
[  332.046194]  ? put_dec+0x3b/0xf0
[  332.049583]  ? rb_next+0x140/0x140
[  332.053136]  ? __lock_acquire+0x62f/0x4c20
[  332.057395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.062948]  ? check_preemption_disabled+0x48/0x280
[  332.067979]  ? print_usage_bug+0xc0/0xc0
[  332.072046]  ? rb_erase_cached+0xc78/0x3720
[  332.076379]  ? rb_next+0x140/0x140
[  332.079932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.085471]  ? __isolate_lru_page+0xd05/0x1540
[  332.090069]  ? print_usage_bug+0xc0/0xc0
[  332.094136]  ? mark_held_locks+0x130/0x130
[  332.098373]  ? zap_class+0x640/0x640
[  332.102095]  ? update_load_avg+0x13b8/0x2470
[  332.106515]  ? print_usage_bug+0xc0/0xc0
[  332.110583]  ? zap_class+0x640/0x640
[  332.114307]  ? __lock_acquire+0x62f/0x4c20
[  332.118547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.124087]  ? check_preemption_disabled+0x48/0x280
[  332.129110]  ? __update_load_avg_blocked_se+0x690/0x690
[  332.134478]  ? __update_load_avg_se+0xae0/0xae0
[  332.139145]  ? zap_class+0x640/0x640
[  332.142875]  ? update_load_avg+0x387/0x2470
[  332.147209]  ? attach_entity_load_avg+0x860/0x860
[  332.152058]  ? update_load_avg+0x387/0x2470
[  332.156401]  ? attach_entity_load_avg+0x860/0x860
[  332.161247]  ? attach_entity_load_avg+0x860/0x860
[  332.166100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.171655]  ? __isolate_lru_page+0xd05/0x1540
[  332.176237]  ? putback_lru_page+0x280/0x280
[  332.180559]  ? rb_erase+0x3710/0x3710
[  332.184374]  ? mark_held_locks+0x130/0x130
[  332.188621]  ? cpuacct_charge+0x265/0x440
[  332.192776]  ? find_held_lock+0x36/0x1c0
[  332.196848]  ? zap_class+0x640/0x640
[  332.200571]  ? print_usage_bug+0xc0/0xc0
[  332.204640]  ? zap_class+0x640/0x640
[  332.208356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.213289]  ? kasan_check_read+0x11/0x20
[  332.217435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.222717]  ? zap_class+0x640/0x640
[  332.226436]  ? __lock_is_held+0xb5/0x140
[  332.230503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.236042]  ? check_preemption_disabled+0x48/0x280
[  332.241068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.246613]  ? check_preemption_disabled+0x48/0x280
[  332.251637]  ? __lock_is_held+0xb5/0x140
[  332.255703]  ? __this_cpu_preempt_check+0x1c/0x20
[  332.260547]  ? __mod_zone_page_state+0x8a/0xf0
[  332.265138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.270678]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  332.275894]  ? __isolate_lru_page+0x1540/0x1540
[  332.280579]  ? zap_class+0x640/0x640
[  332.284306]  ? print_usage_bug+0xc0/0xc0
[  332.288384]  ? __account_cfs_rq_runtime+0x790/0x790
[  332.293407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.298952]  ? find_held_lock+0x36/0x1c0
[  332.303019]  ? zap_class+0x640/0x640
[  332.306736]  ? print_usage_bug+0xc0/0xc0
[  332.310797]  ? mark_held_locks+0xc7/0x130
[  332.314955]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.319460]  ? zap_class+0x640/0x640
[  332.323176]  ? print_usage_bug+0xc0/0xc0
[  332.327245]  ? mark_held_locks+0xc7/0x130
[  332.331405]  ? find_held_lock+0x36/0x1c0
[  332.335496]  ? mark_held_locks+0xc7/0x130
[  332.339667]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.344197]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.348699]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.353290]  ? trace_hardirqs_on+0xbd/0x310
[  332.357622]  ? kasan_check_read+0x11/0x20
[  332.361773]  ? shrink_inactive_list+0x741/0x1c60
[  332.366565]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.371678]  ? trace_hardirqs_on+0x310/0x310
[  332.376088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.381638]  ? check_preemption_disabled+0x48/0x280
[  332.386692]  shrink_inactive_list+0x77b/0x1c60
[  332.391293]  ? putback_inactive_pages+0x27e0/0x27e0
[  332.396334]  ? kasan_check_read+0x11/0x20
[  332.400490]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  332.405766]  ? __rcu_read_unlock+0x2d6/0x2e0
[  332.410181]  ? blk_lld_busy+0x70/0x70
[  332.413983]  ? kasan_check_read+0x11/0x20
[  332.418143]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  332.423102]  shrink_node_memcg+0x78b/0x18f0
[  332.427475]  ? shrink_active_list+0x1f00/0x1f00
[  332.432154]  ? lock_downgrade+0x900/0x900
[  332.436304]  ? check_flush_dependency+0x410/0x410
[  332.441163]  ? kasan_check_read+0x11/0x20
[  332.445311]  ? do_raw_spin_unlock+0xa7/0x330
[  332.449727]  ? ___preempt_schedule+0x16/0x18
[  332.454142]  ? _raw_spin_unlock+0x3f/0x50
[  332.458299]  shrink_node+0x3bc/0x16b0
[  332.462102]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  332.467406]  ? shrink_node_memcg+0x18f0/0x18f0
[  332.471992]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.476576]  ? trace_hardirqs_on+0xbd/0x310
[  332.480911]  ? vmpressure+0x271/0x340
[  332.484719]  ? do_raw_spin_trylock+0x270/0x270
[  332.489307]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  332.494844]  ? __cpuset_node_allowed+0x19b/0x660
[  332.499618]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  332.505333]  ? vmpressure+0x1a2/0x340
[  332.509143]  do_try_to_free_pages+0x3e7/0x1290
[  332.513724]  ? zap_class+0x640/0x640
[  332.517455]  ? shrink_node+0x16b0/0x16b0
[  332.521517]  ? __lock_is_held+0xb5/0x140
[  332.525592]  try_to_free_pages+0x4d0/0xb90
[  332.529842]  ? do_try_to_free_pages+0x1290/0x1290
[  332.534702]  ? lock_acquire+0x1ed/0x520
[  332.538678]  ? set_page_refcounted+0x280/0x280
[  332.543268]  ? lock_release+0xa00/0xa00
[  332.547251]  ? _raw_spin_unlock_irq+0x60/0x80
[  332.551748]  ? psi_memstall_enter+0x240/0x2b0
[  332.556249]  ? psi_memstall_tick+0x230/0x230
[  332.560674]  __alloc_pages_slowpath+0xa14/0x2e10
[  332.565477]  ? warn_alloc+0x120/0x120
[  332.569282]  ? mark_held_locks+0x130/0x130
[  332.573524]  ? find_get_entry+0xaae/0x1120
[  332.577774]  ? filemap_map_pages+0x1a20/0x1a20
[  332.582360]  ? zap_class+0x640/0x640
[  332.586085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.591631]  ? check_preemption_disabled+0x48/0x280
[  332.596655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.602192]  ? should_fail+0x22d/0xd01
[  332.606086]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.611194]  ? zap_class+0x640/0x640
[  332.614937]  ? __lock_is_held+0xb5/0x140
[  332.619009]  ? mark_held_locks+0x130/0x130
[  332.623253]  ? lock_release+0xa00/0xa00
[  332.627229]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.632683]  ? xa_load+0x2ba/0x460
[  332.636230]  ? lock_downgrade+0x900/0x900
[  332.640386]  ? __might_sleep+0x95/0x190
[  332.644368]  __alloc_pages_nodemask+0xa80/0xde0
[  332.649048]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  332.654071]  ? __page_cache_alloc+0x191/0x5c0
[  332.658563]  ? xa_load+0x2e1/0x460
[  332.662114]  ? xa_clear_mark+0x40/0x40
[  332.666008]  ? zap_class+0x640/0x640
[  332.669735]  ? zap_class+0x640/0x640
[  332.673449]  ? zap_class+0x640/0x640
[  332.677162]  ? __do_page_cache_readahead+0x663/0x810
[  332.682270]  ? find_held_lock+0x36/0x1c0
[  332.686337]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  332.691886]  alloc_pages_current+0x173/0x350
[  332.696305]  __page_cache_alloc+0x38c/0x5c0
[  332.700630]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.705559]  ? kasan_check_read+0x11/0x20
[  332.709712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.714996]  ? generic_perform_write+0x6a0/0x6a0
[  332.719774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.725317]  ? check_preemption_disabled+0x48/0x280
[  332.730342]  filemap_fault+0x1595/0x25f0
[  332.734422]  ? __lock_page_or_retry+0xa00/0xa00
[  332.739104]  ? mark_held_locks+0x130/0x130
[  332.743354]  ? filemap_map_pages+0xd6b/0x1a20
[  332.747873]  ? lock_downgrade+0x900/0x900
[  332.752029]  ? check_preemption_disabled+0x48/0x280
[  332.757055]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.761987]  ? kasan_check_read+0x11/0x20
[  332.766138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.771417]  ? rcu_softirq_qs+0x20/0x20
[  332.775409]  ? filemap_map_pages+0xd92/0x1a20
[  332.779921]  ? find_get_entries_tag+0x1400/0x1400
[  332.784768]  ? debug_object_destroy+0x2b0/0x2b0
[  332.789446]  ? lock_pi_update_atomic+0x150/0x150
[  332.794221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.799775]  ? lock_acquire+0x1ed/0x520
[  332.803756]  ? ext4_filemap_fault+0x7a/0xad
[  332.808092]  ? lock_release+0xa00/0xa00
[  332.812068]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.817519]  ? print_usage_bug+0xc0/0xc0
[  332.821582]  ? print_usage_bug+0xc0/0xc0
[  332.825841]  ? down_read+0x8d/0x120
[  332.829472]  ? ext4_filemap_fault+0x7a/0xad
[  332.833796]  ? __down_interruptible+0x700/0x700
[  332.838475]  ext4_filemap_fault+0x82/0xad
[  332.842633]  __do_fault+0x100/0x6b0
[  332.846259]  ? find_held_lock+0x36/0x1c0
[  332.850328]  ? pmd_devmap_trans_unstable+0x220/0x220
[  332.855436]  ? mark_held_locks+0x130/0x130
[  332.859675]  ? mark_held_locks+0x130/0x130
[  332.863913]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.868413]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.872913]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.877505]  ? kasan_check_read+0x11/0x20
[  332.881656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.887206]  __handle_mm_fault+0x3ea6/0x5be0
[  332.891634]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  332.896481]  ? finish_task_switch+0x1f4/0x910
[  332.900981]  ? finish_task_switch+0x1b4/0x910
[  332.905481]  ? __switch_to_asm+0x34/0x70
[  332.909547]  ? preempt_notifier_register+0x200/0x200
[  332.914652]  ? __switch_to_asm+0x34/0x70
[  332.918717]  ? __switch_to_asm+0x34/0x70
[  332.922792]  ? zap_class+0x640/0x640
[  332.926506]  ? zap_class+0x640/0x640
[  332.930221]  ? __x64_sys_futex+0x53e/0x6a0
[  332.934464]  ? find_held_lock+0x36/0x1c0
[  332.938537]  ? handle_mm_fault+0x42a/0xc70
[  332.942779]  ? lock_downgrade+0x900/0x900
[  332.946937]  ? check_preemption_disabled+0x48/0x280
[  332.951957]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.956889]  ? kasan_check_read+0x11/0x20
[  332.961038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.966316]  ? rcu_softirq_qs+0x20/0x20
[  332.970290]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.975400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.980941]  ? check_preemption_disabled+0x48/0x280
[  332.985967]  handle_mm_fault+0x54f/0xc70
[  332.990035]  ? __handle_mm_fault+0x5be0/0x5be0
[  332.994630]  ? find_vma+0x34/0x190
[  332.998177]  __do_page_fault+0x5e8/0xe60
[  333.002241]  ? trace_hardirqs_off+0xb8/0x310
[  333.006663]  do_page_fault+0xf2/0x7e0
[  333.010465]  ? vmalloc_sync_all+0x30/0x30
[  333.014625]  ? error_entry+0x70/0xd0
[  333.018343]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.023447]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.028379]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.033314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.038163]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.043185]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  333.048642]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.053666]  ? page_fault+0x8/0x30
[  333.057208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.062055]  ? page_fault+0x8/0x30
[  333.065609]  page_fault+0x1e/0x30
[  333.069062] RIP: 0033:0x40f9c0
[  333.072268] Code: Bad RIP value.
[  333.075634] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  333.080998] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  333.088265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  333.095535] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  333.102804] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  333.110070] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  333.117363] warn_alloc_show_mem: 1 callbacks suppressed
[  333.117375] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  333.117377] Mem-Info:
[  333.117408] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  333.117408]  active_file:14 inactive_file:15 isolated_file:0
[  333.117408]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.117408]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  333.117408]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  333.117408]  free:13731 free_pcp:182 free_cma:0
[  333.122749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.129677] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.132075] Call Trace:
[  333.165116] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  333.174462]  <IRQ>
[  333.202298] lowmem_reserve[]: 0 2818 6321 6321
[  333.204884]  dump_stack+0x244/0x39d
[  333.230969] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  333.233118]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.237675] lowmem_reserve[]: 0 0 3503 3503
[  333.241305]  warn_alloc.cold.116+0xb7/0x1bd
[  333.269029] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  333.274217]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.278510] lowmem_reserve[]: 0 0 0 0
[  333.282826]  ? lock_downgrade+0x900/0x900
[  333.311781] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  333.316638]  ? trace_hardirqs_off+0xb8/0x310
[  333.320408] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  333.324550]  ? trace_hardirqs_off+0xb8/0x310
[  333.338048] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  333.342456]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.357614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  333.362031]  ? warn_alloc+0x120/0x120
[  333.377338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  333.382170]  ? print_usage_bug+0xc0/0xc0
[  333.390981] 2704 total pagecache pages
[  333.394773]  ? warn_alloc+0x120/0x120
[  333.403333] 0 pages in swap cache
[  333.407386]  ? warn_alloc+0x120/0x120
[  333.411268] Swap cache stats: add 0, delete 0, find 0/0
[  333.415058]  ? print_usage_bug+0xc0/0xc0
[  333.418491] Free swap  = 0kB
[  333.422291]  ? kvm_clock_read+0x18/0x30
[  333.427633] Total swap = 0kB
[  333.431691]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  333.434687] 1965979 pages RAM
[  333.438659]  ? print_usage_bug+0xc0/0xc0
[  333.441653] 0 pages HighMem/MovableOnly
[  333.446663]  ? __lock_acquire+0x62f/0x4c20
[  333.449738] 342858 pages reserved
[  333.449747] 0 pages cma reserved
[  333.453806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.457826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  333.461984]  ? should_fail+0x22d/0xd01
[  333.465512] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.468770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.474282] syz-fuzzer cpuset=/ mems_allowed=0
[  333.480773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.509763]  ? __lock_acquire+0x62f/0x4c20
[  333.514007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.519114]  ? __lock_acquire+0x62f/0x4c20
[  333.523348]  ? should_fail+0x22d/0xd01
[  333.527240]  ? rcu_irq_exit+0x1a2/0x390
[  333.531224]  ? mark_held_locks+0x130/0x130
[  333.535471]  ? mark_held_locks+0x130/0x130
[  333.539716]  ? mark_held_locks+0xc7/0x130
[  333.543870]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  333.548901]  ? zap_class+0x640/0x640
[  333.552626]  ? print_usage_bug+0xc0/0xc0
[  333.556698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.562238]  ? check_preemption_disabled+0x48/0x280
[  333.567264]  ? __lock_is_held+0xb5/0x140
[  333.571336]  __alloc_pages_nodemask+0xa80/0xde0
[  333.576013]  ? zap_class+0x640/0x640
[  333.579733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.584766]  ? find_held_lock+0x36/0x1c0
[  333.588843]  ? ____cache_alloc_node+0x1c7/0x1e0
[  333.593517]  ? lock_downgrade+0x900/0x900
[  333.597679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.603224]  cache_grow_begin+0xa5/0x8c0
[  333.607288]  ? do_raw_spin_unlock+0xa7/0x330
[  333.611707]  fallback_alloc+0x204/0x2e0
[  333.615691]  ____cache_alloc_node+0x1c7/0x1e0
[  333.620192]  kmem_cache_alloc_node+0xe3/0x730
[  333.624691]  ? ipv6_get_ifaddr+0x42e/0x620
[  333.628940]  __alloc_skb+0x119/0x770
[  333.632654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.638141]  ? netdev_alloc_frag+0x1f0/0x1f0
[  333.642555]  ? lock_downgrade+0x900/0x900
[  333.646715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.652254]  ? refcount_sub_and_test_checked+0x203/0x310
[  333.657711]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  333.663161]  ? addrconf_rs_timer+0x690/0x690
[  333.667580]  ndisc_alloc_skb+0x144/0x340
[  333.671655]  ndisc_send_rs+0x331/0x6e0
[  333.675553]  addrconf_rs_timer+0x314/0x690
[  333.679796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.684043]  call_timer_fn+0x272/0x920
[  333.687930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.692167]  ? process_timeout+0x40/0x40
[  333.696240]  ? __run_timers+0x7da/0xc70
[  333.700225]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.704722]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.709220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.713457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  333.718043]  ? trace_hardirqs_on+0xbd/0x310
[  333.722374]  ? kasan_check_read+0x11/0x20
[  333.726526]  ? __run_timers+0x7da/0xc70
[  333.730503]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.735619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.739859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.744099]  __run_timers+0x7e5/0xc70
[  333.747914]  ? timer_fixup_init+0x70/0x70
[  333.752069]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  333.757143]  ? zap_class+0x640/0x640
[  333.760866]  ? enqueue_hrtimer+0x1a5/0x560
[  333.765111]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  333.770784]  ? find_held_lock+0x36/0x1c0
[  333.774853]  ? zap_class+0x640/0x640
[  333.778573]  ? pvclock_read_flags+0x160/0x160
[  333.783081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.788629]  ? check_preemption_disabled+0x48/0x280
[  333.794201]  ? __lock_is_held+0xb5/0x140
[  333.798266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.803810]  ? check_preemption_disabled+0x48/0x280
[  333.808839]  run_timer_softirq+0x52/0xb0
[  333.812905]  ? rcu_read_lock_sched_held+0x14f/0x180
[  333.817923]  __do_softirq+0x308/0xb7e
[  333.821733]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  333.826230]  ? lock_downgrade+0x900/0x900
[  333.830386]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  333.835500]  ? pvclock_read_flags+0x160/0x160
[  333.840000]  ? lapic_next_event+0x5a/0x90
[  333.844153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.849700]  ? kvm_clock_read+0x18/0x30
[  333.853674]  ? kvm_sched_clock_read+0x9/0x20
[  333.858085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.863632]  ? check_preemption_disabled+0x48/0x280
[  333.868661]  irq_exit+0x17f/0x1c0
[  333.872125]  smp_apic_timer_interrupt+0x1cb/0x760
[  333.876969]  ? smp_reschedule_interrupt+0x109/0x650
[  333.881992]  ? smp_call_function_single_interrupt+0x650/0x650
[  333.887881]  ? interrupt_entry+0xb5/0xc0
[  333.891948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.896968]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.901986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.906831]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.911854]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.916871]  ? task_prio+0x50/0x50
[  333.920414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.925954]  ? check_preemption_disabled+0x48/0x280
[  333.930980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.935834]  apic_timer_interrupt+0xf/0x20
[  333.940061]  </IRQ>
[  333.942305] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  333.947236] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  333.966149] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  333.973874] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  333.981170] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  333.988445] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  333.995712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  334.002981] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  334.010297]  skb_clone+0x1bb/0x500
[  334.013842]  ? finish_task_switch+0x1b4/0x910
[  334.018338]  ? skb_split+0x11e0/0x11e0
[  334.022231]  ? preempt_notifier_register+0x200/0x200
[  334.027341]  ? __switch_to_asm+0x34/0x70
[  334.031411]  ? __switch_to_asm+0x34/0x70
[  334.035472]  ? __switch_to_asm+0x40/0x70
[  334.039531]  ? __switch_to_asm+0x34/0x70
[  334.043603]  ? __switch_to_asm+0x40/0x70
[  334.047669]  ? __switch_to_asm+0x34/0x70
[  334.051735]  ? __switch_to_asm+0x40/0x70
[  334.055800]  ? __switch_to_asm+0x34/0x70
[  334.059866]  ? __switch_to_asm+0x34/0x70
[  334.063929]  ? __switch_to_asm+0x40/0x70
[  334.067992]  ? __switch_to_asm+0x34/0x70
[  334.072067]  bpf_clone_redirect+0xb9/0x490
[  334.076304]  ? __schedule+0x8d7/0x21d0
[  334.080196]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  334.085218]  ? __sched_text_start+0x8/0x8
[  334.089372]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.094141]  ? find_held_lock+0x36/0x1c0
[  334.098215]  ? lock_acquire+0x1ed/0x520
[  334.102194]  ? bpf_test_run+0x3cb/0x780
[  334.106174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.111717]  ? check_preemption_disabled+0x48/0x280
[  334.116744]  ? kasan_check_read+0x11/0x20
[  334.120895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.126176]  ? rcu_softirq_qs+0x20/0x20
[  334.130157]  ? preempt_schedule+0x4d/0x60
[  334.134310]  ? ___preempt_schedule+0x16/0x18
[  334.138727]  ? bpf_test_run+0x25d/0x780
[  334.142719]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.147133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.152683]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  334.157453]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.162298]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.167840]  ? fput+0x130/0x1a0
[  334.171124]  ? __bpf_prog_get+0x9b/0x290
[  334.175194]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.180038]  ? bpf_prog_test_run+0x130/0x1a0
[  334.184455]  ? __x64_sys_bpf+0x3d8/0x520
[  334.188521]  ? bpf_prog_get+0x20/0x20
[  334.192348]  ? do_syscall_64+0x1b9/0x820
[  334.196418]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.201790]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.206728]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.211747]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  334.216772]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  334.223441]  ? __switch_to_asm+0x40/0x70
[  334.227503]  ? __switch_to_asm+0x34/0x70
[  334.231572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.236436]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  334.241818] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  334.241909] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  334.248406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  334.248412] Call Trace:
[  334.248418]  <IRQ>
[  334.248434]  dump_stack+0x244/0x39d
[  334.248452]  ? dump_stack_print_info.cold.1+0x20/0x20
[  334.248478]  warn_alloc.cold.116+0xb7/0x1bd
[  334.255035] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.264296]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.266854] syz-executor1 cpuset=syz1 mems_allowed=0
[  334.269006]  ? lock_downgrade+0x900/0x900
[  334.306635]  ? trace_hardirqs_off+0xb8/0x310
[  334.311053]  ? trace_hardirqs_off+0xb8/0x310
[  334.315478]  __alloc_pages_slowpath+0x26e8/0x2e10
[  334.320354]  ? warn_alloc+0x120/0x120
[  334.324162]  ? print_usage_bug+0xc0/0xc0
[  334.328225]  ? warn_alloc+0x120/0x120
[  334.332033]  ? warn_alloc+0x120/0x120
[  334.335836]  ? print_usage_bug+0xc0/0xc0
[  334.339905]  ? kvm_clock_read+0x18/0x30
[  334.343886]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  334.348906]  ? print_usage_bug+0xc0/0xc0
[  334.352971]  ? __lock_acquire+0x62f/0x4c20
[  334.357214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.362753]  ? should_fail+0x22d/0xd01
[  334.366644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.371927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.377031]  ? __lock_acquire+0x62f/0x4c20
[  334.381269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.386371]  ? __lock_acquire+0x62f/0x4c20
[  334.390614]  ? should_fail+0x22d/0xd01
[  334.394505]  ? rcu_irq_exit+0x1a2/0x390
[  334.398495]  ? mark_held_locks+0x130/0x130
[  334.402757]  ? mark_held_locks+0x130/0x130
[  334.407002]  ? mark_held_locks+0xc7/0x130
[  334.411157]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  334.416178]  ? zap_class+0x640/0x640
[  334.419898]  ? print_usage_bug+0xc0/0xc0
[  334.423966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.429505]  ? check_preemption_disabled+0x48/0x280
[  334.434536]  ? __lock_is_held+0xb5/0x140
[  334.438614]  __alloc_pages_nodemask+0xa80/0xde0
[  334.443288]  ? zap_class+0x640/0x640
[  334.447007]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.452039]  ? find_held_lock+0x36/0x1c0
[  334.456110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.460781]  ? lock_downgrade+0x900/0x900
[  334.464943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.470490]  cache_grow_begin+0xa5/0x8c0
[  334.474550]  ? do_raw_spin_unlock+0xa7/0x330
[  334.478969]  fallback_alloc+0x204/0x2e0
[  334.482951]  ____cache_alloc_node+0x1c7/0x1e0
[  334.487458]  kmem_cache_alloc_node+0xe3/0x730
[  334.491954]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.496202]  __alloc_skb+0x119/0x770
[  334.499917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.505204]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.509622]  ? lock_downgrade+0x900/0x900
[  334.513785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.519325]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.524785]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.530238]  ? addrconf_rs_timer+0x690/0x690
[  334.534663]  ndisc_alloc_skb+0x144/0x340
[  334.538733]  ndisc_send_rs+0x331/0x6e0
[  334.542636]  addrconf_rs_timer+0x314/0x690
[  334.546887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.551141]  call_timer_fn+0x272/0x920
[  334.555036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.559278]  ? process_timeout+0x40/0x40
[  334.563351]  ? mark_held_locks+0xc7/0x130
[  334.567508]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.572004]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.576498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.580740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.585332]  ? trace_hardirqs_on+0xbd/0x310
[  334.589655]  ? kasan_check_read+0x11/0x20
[  334.593803]  ? __run_timers+0x7da/0xc70
[  334.597786]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.602900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.607141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.611376]  __run_timers+0x7e5/0xc70
[  334.615191]  ? timer_fixup_init+0x70/0x70
[  334.619343]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.624364]  ? zap_class+0x640/0x640
[  334.628085]  ? print_usage_bug+0xc0/0xc0
[  334.632149]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.637531]  ? find_held_lock+0x36/0x1c0
[  334.641608]  ? zap_class+0x640/0x640
[  334.645331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.650883]  ? check_preemption_disabled+0x48/0x280
[  334.655916]  ? __lock_is_held+0xb5/0x140
[  334.659984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.665527]  ? check_preemption_disabled+0x48/0x280
[  334.670553]  run_timer_softirq+0x52/0xb0
[  334.674623]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.679645]  __do_softirq+0x308/0xb7e
[  334.683450]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.688118]  ? lock_downgrade+0x900/0x900
[  334.692274]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.697387]  ? pvclock_read_flags+0x160/0x160
[  334.701895]  ? lapic_next_event+0x5a/0x90
[  334.706046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.711595]  ? kvm_clock_read+0x18/0x30
[  334.715584]  ? kvm_sched_clock_read+0x9/0x20
[  334.720009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.725549]  ? check_preemption_disabled+0x48/0x280
[  334.730579]  irq_exit+0x17f/0x1c0
[  334.734048]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.738895]  ? smp_reschedule_interrupt+0x109/0x650
[  334.743917]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.749803]  ? interrupt_entry+0xb5/0xc0
[  334.753875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.758895]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.763919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.768765]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.773784]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.778802]  ? task_prio+0x50/0x50
[  334.782350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.787894]  ? check_preemption_disabled+0x48/0x280
[  334.792920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.797775]  apic_timer_interrupt+0xf/0x20
[  334.802009]  </IRQ>
[  334.804254] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  334.810401] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  334.829303] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  334.837015] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  334.844282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  334.851555] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  334.858822] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  334.866095] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  334.873387]  ? unlock_page+0x25d/0x4c0
[  334.877292]  unlock_page+0x25d/0x4c0
[  334.881016]  ? wake_up_page_bit+0x6f0/0x6f0
[  334.885344]  ? shrink_page_list+0x7e68/0xccd0
[  334.889843]  ? shrink_page_list+0x7e68/0xccd0
[  334.894350]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.898939]  ? shrink_inactive_list+0x77b/0x1c60
[  334.903787]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.908894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.914433]  ? check_preemption_disabled+0x48/0x280
[  334.919468]  ? shrink_page_list+0x145c/0xccd0
[  334.923971]  shrink_page_list+0x3714/0xccd0
[  334.928320]  ? page_evictable+0x540/0x540
[  334.932657]  ? rb_erase_cached+0xc78/0x3720
[  334.936981]  ? rb_erase_cached+0xc78/0x3720
[  334.941308]  ? rb_next+0x140/0x140
[  334.944863]  ? rb_next+0x140/0x140
[  334.948412]  ? rb_next+0x140/0x140
[  334.952029]  ? zap_class+0x640/0x640
[  334.955744]  ? zap_class+0x640/0x640
[  334.959458]  ? zap_class+0x640/0x640
[  334.963179]  ? zap_class+0x640/0x640
[  334.966892]  ? __update_load_avg_se+0x5eb/0xae0
[  334.971568]  ? __update_load_avg_blocked_se+0x690/0x690
[  334.976948]  ? __update_load_avg_se+0xae0/0xae0
[  334.981622]  ? zap_class+0x640/0x640
[  334.985350]  ? update_load_avg+0x387/0x2470
[  334.989680]  ? attach_entity_load_avg+0x860/0x860
[  334.994531]  ? update_load_avg+0x387/0x2470
[  334.998874]  ? attach_entity_load_avg+0x860/0x860
[  335.003726]  ? attach_entity_load_avg+0x860/0x860
[  335.008577]  ? attach_entity_load_avg+0x860/0x860
[  335.013438]  ? rb_erase+0x3710/0x3710
[  335.017242]  ? rb_erase+0x3710/0x3710
[  335.021046]  ? rb_erase+0x3710/0x3710
[  335.024853]  ? rb_erase+0x3710/0x3710
[  335.028668]  ? rb_erase+0x3710/0x3710
[  335.032477]  ? __lock_acquire+0x62f/0x4c20
[  335.036725]  ? zap_class+0x640/0x640
[  335.040445]  ? print_usage_bug+0xc0/0xc0
[  335.044507]  ? zap_class+0x640/0x640
[  335.048223]  ? zap_class+0x640/0x640
[  335.051949]  ? print_usage_bug+0xc0/0xc0
[  335.056017]  ? print_usage_bug+0xc0/0xc0
[  335.060080]  ? zap_class+0x640/0x640
[  335.063798]  ? __lock_is_held+0xb5/0x140
[  335.067881]  ? print_usage_bug+0xc0/0xc0
[  335.071953]  ? __lock_acquire+0x62f/0x4c20
[  335.076193]  ? mark_held_locks+0x130/0x130
[  335.080430]  ? print_usage_bug+0xc0/0xc0
[  335.084500]  ? rb_erase_cached+0xc78/0x3720
[  335.088830]  ? rb_next+0x140/0x140
[  335.092379]  ? rb_next+0x140/0x140
[  335.095926]  ? __lock_acquire+0x62f/0x4c20
[  335.100172]  ? __lock_acquire+0x62f/0x4c20
[  335.104410]  ? rcu_note_context_switch+0x12ad/0x2150
[  335.109519]  ? print_usage_bug+0xc0/0xc0
[  335.113608]  ? mark_held_locks+0x130/0x130
[  335.117852]  ? zap_class+0x640/0x640
[  335.121574]  ? print_usage_bug+0xc0/0xc0
[  335.125641]  ? put_dec+0x3b/0xf0
[  335.129031]  ? rb_next+0x140/0x140
[  335.132579]  ? __lock_acquire+0x62f/0x4c20
[  335.136823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.142364]  ? check_preemption_disabled+0x48/0x280
[  335.147402]  ? print_usage_bug+0xc0/0xc0
[  335.151474]  ? rb_erase_cached+0xc78/0x3720
[  335.155811]  ? rb_next+0x140/0x140
[  335.159369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.164915]  ? __isolate_lru_page+0xd05/0x1540
[  335.169516]  ? print_usage_bug+0xc0/0xc0
[  335.173585]  ? mark_held_locks+0x130/0x130
[  335.177831]  ? zap_class+0x640/0x640
[  335.181554]  ? update_load_avg+0x13b8/0x2470
[  335.185973]  ? print_usage_bug+0xc0/0xc0
[  335.190043]  ? zap_class+0x640/0x640
[  335.193760]  ? __lock_acquire+0x62f/0x4c20
[  335.197999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.203543]  ? check_preemption_disabled+0x48/0x280
[  335.208569]  ? __update_load_avg_blocked_se+0x690/0x690
[  335.213945]  ? __update_load_avg_se+0xae0/0xae0
[  335.218625]  ? zap_class+0x640/0x640
[  335.222352]  ? update_load_avg+0x387/0x2470
[  335.226686]  ? attach_entity_load_avg+0x860/0x860
[  335.231544]  ? update_load_avg+0x387/0x2470
[  335.235880]  ? attach_entity_load_avg+0x860/0x860
[  335.240731]  ? attach_entity_load_avg+0x860/0x860
[  335.245604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.251162]  ? __isolate_lru_page+0xd05/0x1540
[  335.255765]  ? putback_lru_page+0x280/0x280
[  335.260095]  ? rb_erase+0x3710/0x3710
[  335.263911]  ? mark_held_locks+0x130/0x130
[  335.268151]  ? cpuacct_charge+0x265/0x440
[  335.272307]  ? find_held_lock+0x36/0x1c0
[  335.276380]  ? zap_class+0x640/0x640
[  335.280114]  ? print_usage_bug+0xc0/0xc0
[  335.284182]  ? zap_class+0x640/0x640
[  335.287898]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.292835]  ? kasan_check_read+0x11/0x20
[  335.296990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.302275]  ? zap_class+0x640/0x640
[  335.305995]  ? __lock_is_held+0xb5/0x140
[  335.310063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.315626]  ? check_preemption_disabled+0x48/0x280
[  335.320654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.326195]  ? check_preemption_disabled+0x48/0x280
[  335.331213]  ? __lock_is_held+0xb5/0x140
[  335.335286]  ? __this_cpu_preempt_check+0x1c/0x20
[  335.340142]  ? __mod_zone_page_state+0x8a/0xf0
[  335.344735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.350275]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  335.355488]  ? __isolate_lru_page+0x1540/0x1540
[  335.360176]  ? zap_class+0x640/0x640
[  335.363900]  ? print_usage_bug+0xc0/0xc0
[  335.367963]  ? __account_cfs_rq_runtime+0x790/0x790
[  335.372987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.378533]  ? find_held_lock+0x36/0x1c0
[  335.382607]  ? zap_class+0x640/0x640
[  335.386499]  ? print_usage_bug+0xc0/0xc0
[  335.390566]  ? mark_held_locks+0xc7/0x130
[  335.394725]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.399232]  ? zap_class+0x640/0x640
[  335.402952]  ? print_usage_bug+0xc0/0xc0
[  335.407021]  ? mark_held_locks+0xc7/0x130
[  335.411182]  ? find_held_lock+0x36/0x1c0
[  335.415253]  ? mark_held_locks+0xc7/0x130
[  335.419409]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.423908]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.428407]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.432994]  ? trace_hardirqs_on+0xbd/0x310
[  335.437317]  ? kasan_check_read+0x11/0x20
[  335.441468]  ? shrink_inactive_list+0x741/0x1c60
[  335.446228]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.451335]  ? trace_hardirqs_on+0x310/0x310
[  335.455746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.461287]  ? check_preemption_disabled+0x48/0x280
[  335.466316]  shrink_inactive_list+0x77b/0x1c60
[  335.470915]  ? putback_inactive_pages+0x27e0/0x27e0
[  335.475938]  ? kasan_check_read+0x11/0x20
[  335.480088]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  335.485365]  ? __rcu_read_unlock+0x2d6/0x2e0
[  335.489780]  ? blk_lld_busy+0x70/0x70
[  335.493587]  ? kasan_check_read+0x11/0x20
[  335.497760]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  335.502705]  shrink_node_memcg+0x78b/0x18f0
[  335.507046]  ? shrink_active_list+0x1f00/0x1f00
[  335.511725]  ? lock_downgrade+0x900/0x900
[  335.515881]  ? check_flush_dependency+0x410/0x410
[  335.520743]  ? kasan_check_read+0x11/0x20
[  335.524897]  ? do_raw_spin_unlock+0xa7/0x330
[  335.529329]  ? ___preempt_schedule+0x16/0x18
[  335.533754]  ? _raw_spin_unlock+0x3f/0x50
[  335.537918]  shrink_node+0x3bc/0x16b0
[  335.541725]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  335.547039]  ? shrink_node_memcg+0x18f0/0x18f0
[  335.551636]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.556227]  ? trace_hardirqs_on+0xbd/0x310
[  335.560555]  ? vmpressure+0x271/0x340
[  335.564363]  ? do_raw_spin_trylock+0x270/0x270
[  335.568959]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  335.574499]  ? __cpuset_node_allowed+0x19b/0x660
[  335.579262]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  335.584980]  ? vmpressure+0x1a2/0x340
[  335.588798]  do_try_to_free_pages+0x3e7/0x1290
[  335.593385]  ? zap_class+0x640/0x640
[  335.597132]  ? shrink_node+0x16b0/0x16b0
[  335.601196]  ? __lock_is_held+0xb5/0x140
[  335.605288]  try_to_free_pages+0x4d0/0xb90
[  335.609533]  ? do_try_to_free_pages+0x1290/0x1290
[  335.614393]  ? lock_acquire+0x1ed/0x520
[  335.618372]  ? set_page_refcounted+0x280/0x280
[  335.622962]  ? lock_release+0xa00/0xa00
[  335.626940]  ? _raw_spin_unlock_irq+0x60/0x80
[  335.631440]  ? psi_memstall_enter+0x240/0x2b0
[  335.635938]  ? psi_memstall_tick+0x230/0x230
[  335.640593]  __alloc_pages_slowpath+0xa14/0x2e10
[  335.645393]  ? warn_alloc+0x120/0x120
[  335.649198]  ? mark_held_locks+0x130/0x130
[  335.653442]  ? find_get_entry+0xaae/0x1120
[  335.657692]  ? filemap_map_pages+0x1a20/0x1a20
[  335.662287]  ? zap_class+0x640/0x640
[  335.666011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.671554]  ? check_preemption_disabled+0x48/0x280
[  335.676572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.682119]  ? should_fail+0x22d/0xd01
[  335.686012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.691121]  ? zap_class+0x640/0x640
[  335.694871]  ? __lock_is_held+0xb5/0x140
[  335.698942]  ? mark_held_locks+0x130/0x130
[  335.703183]  ? lock_release+0xa00/0xa00
[  335.707159]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.712623]  ? xa_load+0x2ba/0x460
[  335.716166]  ? lock_downgrade+0x900/0x900
[  335.720323]  ? __might_sleep+0x95/0x190
[  335.724310]  __alloc_pages_nodemask+0xa80/0xde0
[  335.728989]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  335.734010]  ? __page_cache_alloc+0x191/0x5c0
[  335.738512]  ? xa_load+0x2e1/0x460
[  335.742054]  ? xa_clear_mark+0x40/0x40
[  335.745947]  ? zap_class+0x640/0x640
[  335.749675]  ? zap_class+0x640/0x640
[  335.753392]  ? zap_class+0x640/0x640
[  335.757112]  ? __do_page_cache_readahead+0x663/0x810
[  335.762226]  ? find_held_lock+0x36/0x1c0
[  335.766298]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  335.772062]  alloc_pages_current+0x173/0x350
[  335.776484]  __page_cache_alloc+0x38c/0x5c0
[  335.780806]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.785737]  ? kasan_check_read+0x11/0x20
[  335.789897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.795180]  ? generic_perform_write+0x6a0/0x6a0
[  335.799944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.805487]  ? check_preemption_disabled+0x48/0x280
[  335.810514]  filemap_fault+0x1595/0x25f0
[  335.814591]  ? __lock_page_or_retry+0xa00/0xa00
[  335.819279]  ? mark_held_locks+0x130/0x130
[  335.823526]  ? filemap_map_pages+0xd6b/0x1a20
[  335.828030]  ? lock_downgrade+0x900/0x900
[  335.832185]  ? check_preemption_disabled+0x48/0x280
[  335.837210]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.842140]  ? kasan_check_read+0x11/0x20
[  335.846292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.851569]  ? rcu_softirq_qs+0x20/0x20
[  335.855570]  ? filemap_map_pages+0xd92/0x1a20
[  335.860094]  ? find_get_entries_tag+0x1400/0x1400
[  335.864943]  ? debug_object_destroy+0x2b0/0x2b0
[  335.869624]  ? lock_pi_update_atomic+0x150/0x150
[  335.874382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.879933]  ? lock_acquire+0x1ed/0x520
[  335.883911]  ? ext4_filemap_fault+0x7a/0xad
[  335.888241]  ? lock_release+0xa00/0xa00
[  335.892215]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.897671]  ? print_usage_bug+0xc0/0xc0
[  335.901734]  ? print_usage_bug+0xc0/0xc0
[  335.905811]  ? down_read+0x8d/0x120
[  335.909437]  ? ext4_filemap_fault+0x7a/0xad
[  335.913758]  ? __down_interruptible+0x700/0x700
[  335.918442]  ext4_filemap_fault+0x82/0xad
[  335.922605]  __do_fault+0x100/0x6b0
[  335.926234]  ? find_held_lock+0x36/0x1c0
[  335.930299]  ? pmd_devmap_trans_unstable+0x220/0x220
[  335.935411]  ? mark_held_locks+0x130/0x130
[  335.939651]  ? mark_held_locks+0x130/0x130
[  335.943897]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.948393]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.952892]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.957482]  ? kasan_check_read+0x11/0x20
[  335.961640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.967182]  __handle_mm_fault+0x3ea6/0x5be0
[  335.971610]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  335.976456]  ? finish_task_switch+0x1f4/0x910
[  335.980953]  ? finish_task_switch+0x1b4/0x910
[  335.985452]  ? __switch_to_asm+0x34/0x70
[  335.989521]  ? preempt_notifier_register+0x200/0x200
[  335.994629]  ? __switch_to_asm+0x34/0x70
[  335.998697]  ? __switch_to_asm+0x34/0x70
[  336.002779]  ? zap_class+0x640/0x640
[  336.006493]  ? zap_class+0x640/0x640
[  336.010206]  ? __x64_sys_futex+0x53e/0x6a0
[  336.014447]  ? find_held_lock+0x36/0x1c0
[  336.018520]  ? handle_mm_fault+0x42a/0xc70
[  336.022758]  ? lock_downgrade+0x900/0x900
[  336.026909]  ? check_preemption_disabled+0x48/0x280
[  336.031932]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.036874]  ? kasan_check_read+0x11/0x20
[  336.041028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.046310]  ? rcu_softirq_qs+0x20/0x20
[  336.050285]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.055391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.060934]  ? check_preemption_disabled+0x48/0x280
[  336.065965]  handle_mm_fault+0x54f/0xc70
[  336.070033]  ? __handle_mm_fault+0x5be0/0x5be0
[  336.074626]  ? find_vma+0x34/0x190
[  336.078179]  __do_page_fault+0x5e8/0xe60
[  336.082242]  ? trace_hardirqs_off+0xb8/0x310
[  336.086664]  do_page_fault+0xf2/0x7e0
[  336.090470]  ? vmalloc_sync_all+0x30/0x30
[  336.094633]  ? error_entry+0x70/0xd0
[  336.098351]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.103367]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.108303]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.113234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.118081]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.123100]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.128561]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.133585]  ? page_fault+0x8/0x30
[  336.137138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.141992]  ? page_fault+0x8/0x30
[  336.145538]  page_fault+0x1e/0x30
[  336.148992] RIP: 0033:0x40f9c0
[  336.152198] Code: Bad RIP value.
[  336.155565] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  336.160937] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  336.168207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  336.175474] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  336.182741] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  336.190016] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  336.197313] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  336.197318] warn_alloc_show_mem: 1 callbacks suppressed
[  336.197325] Mem-Info:
[  336.204255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.209633] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  336.209633]  active_file:14 inactive_file:15 isolated_file:0
[  336.209633]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.209633]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  336.209633]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  336.209633]  free:13731 free_pcp:182 free_cma:0
[  336.212004] Call Trace:
[  336.221398] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.254420]  <IRQ>
[  336.256995] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  336.284929]  dump_stack+0x244/0x39d
[  336.287054] lowmem_reserve[]: 0 2818 6321 6321
[  336.313174]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.316780] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  336.321373]  warn_alloc.cold.116+0xb7/0x1bd
[  336.326526] lowmem_reserve[]: 0 0 3503 3503
[  336.354282]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.358579] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  336.362908]  ? lock_downgrade+0x900/0x900
[  336.367725] lowmem_reserve[]: 0 0 0 0
[  336.396699]  ? trace_hardirqs_off+0xb8/0x310
[  336.400819] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  336.404623]  ? trace_hardirqs_off+0xb8/0x310
[  336.409004] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  336.422531]  __alloc_pages_slowpath+0x26e8/0x2e10
[  336.426907] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  336.442095]  ? warn_alloc+0x120/0x120
[  336.446898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  336.462235]  ? __lock_acquire+0x62f/0x4c20
[  336.466018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  336.474840]  ? warn_alloc+0x120/0x120
[  336.479048] 2704 total pagecache pages
[  336.487625]  ? warn_alloc+0x120/0x120
[  336.491409] 0 pages in swap cache
[  336.495289]  ? print_usage_bug+0xc0/0xc0
[  336.499071] Swap cache stats: add 0, delete 0, find 0/0
[  336.502513]  ? print_usage_bug+0xc0/0xc0
[  336.506550] Free swap  = 0kB
[  336.511906]  ? trace_hardirqs_off+0xb8/0x310
[  336.515943] Total swap = 0kB
[  336.518954]  ? trace_hardirqs_on+0x310/0x310
[  336.523340] 1965979 pages RAM
[  336.526367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.530747] 0 pages HighMem/MovableOnly
[  336.533850]  ? should_fail+0x22d/0xd01
[  336.539371] 342858 pages reserved
[  336.543338]  ? run_posix_cpu_timers+0x6b7/0x2540
[  336.547211] 0 pages cma reserved
[  336.550660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.555449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.558749]  ? __lock_acquire+0x62f/0x4c20
[  336.563899] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.570316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.574525] syz-fuzzer cpuset=/ mems_allowed=0
[  336.584746]  ? __lock_acquire+0x62f/0x4c20
[  336.598626]  ? should_fail+0x22d/0xd01
[  336.602517]  ? debug_smp_processor_id+0x1c/0x20
[  336.607207]  ? mark_held_locks+0x130/0x130
[  336.611458]  ? mark_held_locks+0x130/0x130
[  336.615708]  ? nohz_balance_enter_idle+0x6c0/0x6c0
[  336.620649]  ? zap_class+0x640/0x640
[  336.624399]  ? print_usage_bug+0xc0/0xc0
[  336.628468]  ? __lock_acquire+0x62f/0x4c20
[  336.632717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.638260]  ? check_preemption_disabled+0x48/0x280
[  336.643288]  ? __lock_is_held+0xb5/0x140
[  336.647364]  __alloc_pages_nodemask+0xa80/0xde0
[  336.652035]  ? zap_class+0x640/0x640
[  336.655757]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  336.660791]  ? find_held_lock+0x36/0x1c0
[  336.664865]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.669539]  ? lock_downgrade+0x900/0x900
[  336.673701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.679248]  cache_grow_begin+0xa5/0x8c0
[  336.683317]  ? do_raw_spin_unlock+0xa7/0x330
[  336.687736]  fallback_alloc+0x204/0x2e0
[  336.691725]  ____cache_alloc_node+0x1c7/0x1e0
[  336.696234]  kmem_cache_alloc_node+0xe3/0x730
[  336.700732]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.704979]  __alloc_skb+0x119/0x770
[  336.708701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.714005]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.718421]  ? lock_downgrade+0x900/0x900
[  336.722582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.728128]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.733586]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.739050]  ? addrconf_rs_timer+0x690/0x690
[  336.743470]  ndisc_alloc_skb+0x144/0x340
[  336.747536]  ndisc_send_rs+0x331/0x6e0
[  336.751433]  addrconf_rs_timer+0x314/0x690
[  336.755676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.759925]  call_timer_fn+0x272/0x920
[  336.763811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.768403]  ? process_timeout+0x40/0x40
[  336.772470]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.777939]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  336.782704]  ? retint_kernel+0x2d/0x2d
[  336.786591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.790850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.795088]  __run_timers+0x7e5/0xc70
[  336.798905]  ? timer_fixup_init+0x70/0x70
[  336.803055]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  336.808074]  ? zap_class+0x640/0x640
[  336.811795]  ? enqueue_hrtimer+0x1a5/0x560
[  336.816033]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  336.821230]  ? find_held_lock+0x36/0x1c0
[  336.825297]  ? zap_class+0x640/0x640
[  336.829038]  ? pvclock_read_flags+0x160/0x160
[  336.833540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.839081]  ? check_preemption_disabled+0x48/0x280
[  336.844113]  ? __lock_is_held+0xb5/0x140
[  336.848177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.853715]  ? check_preemption_disabled+0x48/0x280
[  336.858741]  run_timer_softirq+0x52/0xb0
[  336.862807]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.867828]  __do_softirq+0x308/0xb7e
[  336.871636]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  336.876134]  ? lock_downgrade+0x900/0x900
[  336.880287]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.885401]  ? pvclock_read_flags+0x160/0x160
[  336.889904]  ? lapic_next_event+0x5a/0x90
[  336.894058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.899611]  ? kvm_clock_read+0x18/0x30
[  336.903587]  ? kvm_sched_clock_read+0x9/0x20
[  336.908007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.913549]  ? check_preemption_disabled+0x48/0x280
[  336.918578]  irq_exit+0x17f/0x1c0
[  336.922049]  smp_apic_timer_interrupt+0x1cb/0x760
[  336.926895]  ? smp_reschedule_interrupt+0x109/0x650
[  336.931914]  ? smp_call_function_single_interrupt+0x650/0x650
[  336.937800]  ? interrupt_entry+0xb5/0xc0
[  336.941870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.946887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.951905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.956751]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.961771]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.966796]  ? task_prio+0x50/0x50
[  336.970341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.975890]  ? check_preemption_disabled+0x48/0x280
[  336.980914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.985772]  apic_timer_interrupt+0xf/0x20
[  336.990001]  </IRQ>
[  336.992240] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  336.997172] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  337.016074] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.023781] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.031049] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  337.038317] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  337.045582] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.052862] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  337.060173]  skb_clone+0x1bb/0x500
[  337.063716]  ? finish_task_switch+0x1b4/0x910
[  337.068211]  ? skb_split+0x11e0/0x11e0
[  337.072105]  ? preempt_notifier_register+0x200/0x200
[  337.077213]  ? __switch_to_asm+0x34/0x70
[  337.081278]  ? __switch_to_asm+0x34/0x70
[  337.085343]  ? __switch_to_asm+0x40/0x70
[  337.089406]  ? __switch_to_asm+0x34/0x70
[  337.093468]  ? __switch_to_asm+0x40/0x70
[  337.097530]  ? __switch_to_asm+0x34/0x70
[  337.101589]  ? __switch_to_asm+0x40/0x70
[  337.105658]  ? __switch_to_asm+0x34/0x70
[  337.109718]  ? __switch_to_asm+0x34/0x70
[  337.113778]  ? __switch_to_asm+0x40/0x70
[  337.117841]  ? __switch_to_asm+0x34/0x70
[  337.121916]  bpf_clone_redirect+0xb9/0x490
[  337.126153]  ? __schedule+0x8d7/0x21d0
[  337.130050]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  337.135070]  ? __sched_text_start+0x8/0x8
[  337.139223]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  337.143995]  ? find_held_lock+0x36/0x1c0
[  337.148067]  ? lock_acquire+0x1ed/0x520
[  337.152042]  ? bpf_test_run+0x3cb/0x780
[  337.156020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.161563]  ? check_preemption_disabled+0x48/0x280
[  337.166620]  ? kasan_check_read+0x11/0x20
[  337.170770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.176048]  ? rcu_softirq_qs+0x20/0x20
[  337.180025]  ? preempt_schedule+0x4d/0x60
[  337.184172]  ? ___preempt_schedule+0x16/0x18
[  337.188592]  ? bpf_test_run+0x25d/0x780
[  337.192591]  ? netlink_diag_dump+0x2a0/0x2a0
[  337.197018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.202567]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  337.207343]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.212190]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.217732]  ? fput+0x130/0x1a0
[  337.221019]  ? __bpf_prog_get+0x9b/0x290
[  337.225088]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.229933]  ? bpf_prog_test_run+0x130/0x1a0
[  337.234350]  ? __x64_sys_bpf+0x3d8/0x520
[  337.238419]  ? bpf_prog_get+0x20/0x20
[  337.242239]  ? do_syscall_64+0x1b9/0x820
[  337.246303]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  337.251669]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.256615]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.261635]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  337.266655]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  337.273326]  ? __switch_to_asm+0x40/0x70
[  337.277390]  ? __switch_to_asm+0x34/0x70
[  337.281456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.286308]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  337.291691] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  337.291760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.298273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.298278] Call Trace:
[  337.298285]  <IRQ>
[  337.298301]  dump_stack+0x244/0x39d
[  337.298321]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.304851] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.314153]  warn_alloc.cold.116+0xb7/0x1bd
[  337.316707] syz-executor1 cpuset=syz1 mems_allowed=0
[  337.318855]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.352324]  ? lock_downgrade+0x900/0x900
[  337.356482]  ? trace_hardirqs_off+0xb8/0x310
[  337.360897]  ? trace_hardirqs_off+0xb8/0x310
[  337.365315]  __alloc_pages_slowpath+0x26e8/0x2e10
[  337.370187]  ? warn_alloc+0x120/0x120
[  337.373992]  ? print_usage_bug+0xc0/0xc0
[  337.378058]  ? warn_alloc+0x120/0x120
[  337.381871]  ? warn_alloc+0x120/0x120
[  337.385677]  ? print_usage_bug+0xc0/0xc0
[  337.389745]  ? print_usage_bug+0xc0/0xc0
[  337.393815]  ? __lock_acquire+0x62f/0x4c20
[  337.398060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.403607]  ? should_fail+0x22d/0xd01
[  337.407501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.412612]  ? __lock_acquire+0x62f/0x4c20
[  337.416852]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.421960]  ? __lock_acquire+0x62f/0x4c20
[  337.426196]  ? should_fail+0x22d/0xd01
[  337.430086]  ? find_held_lock+0x36/0x1c0
[  337.434161]  ? mark_held_locks+0x130/0x130
[  337.438407]  ? mark_held_locks+0x130/0x130
[  337.442640]  ? zap_class+0x640/0x640
[  337.446354]  ? zap_class+0x640/0x640
[  337.450075]  ? print_usage_bug+0xc0/0xc0
[  337.454139]  ? do_raw_spin_unlock+0xa7/0x330
[  337.458550]  ? zap_class+0x640/0x640
[  337.462268]  ? print_usage_bug+0xc0/0xc0
[  337.466330]  ? wq_watchdog_touch+0x9c/0xfe
[  337.470571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.476131]  ? check_preemption_disabled+0x48/0x280
[  337.481158]  ? __lock_is_held+0xb5/0x140
[  337.485229]  __alloc_pages_nodemask+0xa80/0xde0
[  337.489902]  ? zap_class+0x640/0x640
[  337.493631]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  337.498668]  ? find_held_lock+0x36/0x1c0
[  337.502743]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.507419]  ? lock_downgrade+0x900/0x900
[  337.511577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.517129]  cache_grow_begin+0xa5/0x8c0
[  337.521191]  ? do_raw_spin_unlock+0xa7/0x330
[  337.525615]  fallback_alloc+0x204/0x2e0
[  337.529612]  ____cache_alloc_node+0x1c7/0x1e0
[  337.534119]  kmem_cache_alloc_node+0xe3/0x730
[  337.538627]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.542878]  __alloc_skb+0x119/0x770
[  337.546592]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.551889]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.556305]  ? lock_downgrade+0x900/0x900
[  337.560465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.566009]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.571466]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.576921]  ? addrconf_rs_timer+0x690/0x690
[  337.581344]  ndisc_alloc_skb+0x144/0x340
[  337.585414]  ndisc_send_rs+0x331/0x6e0
[  337.589312]  addrconf_rs_timer+0x314/0x690
[  337.593553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.597800]  call_timer_fn+0x272/0x920
[  337.601690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.605930]  ? process_timeout+0x40/0x40
[  337.610007]  ? mark_held_locks+0xc7/0x130
[  337.614161]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.618661]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.623160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.627396]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.631984]  ? trace_hardirqs_on+0xbd/0x310
[  337.636325]  ? kasan_check_read+0x11/0x20
[  337.640921]  ? __run_timers+0x7da/0xc70
[  337.644902]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.650010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.654249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.658482]  __run_timers+0x7e5/0xc70
[  337.662298]  ? timer_fixup_init+0x70/0x70
[  337.666454]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.671476]  ? zap_class+0x640/0x640
[  337.675197]  ? print_usage_bug+0xc0/0xc0
[  337.679263]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.684459]  ? find_held_lock+0x36/0x1c0
[  337.688525]  ? zap_class+0x640/0x640
[  337.692248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.697788]  ? check_preemption_disabled+0x48/0x280
[  337.702832]  ? __lock_is_held+0xb5/0x140
[  337.706905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.712448]  ? check_preemption_disabled+0x48/0x280
[  337.717473]  run_timer_softirq+0x52/0xb0
[  337.721538]  ? rcu_read_lock_sched_held+0x14f/0x180
[  337.726559]  __do_softirq+0x308/0xb7e
[  337.730365]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  337.734868]  ? lock_downgrade+0x900/0x900
[  337.739025]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  337.744139]  ? pvclock_read_flags+0x160/0x160
[  337.748641]  ? lapic_next_event+0x5a/0x90
[  337.752798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.758345]  ? kvm_clock_read+0x18/0x30
[  337.762323]  ? kvm_sched_clock_read+0x9/0x20
[  337.766738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.772456]  ? check_preemption_disabled+0x48/0x280
[  337.777485]  irq_exit+0x17f/0x1c0
[  337.780950]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.785796]  ? smp_reschedule_interrupt+0x109/0x650
[  337.790819]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.796706]  ? interrupt_entry+0xb5/0xc0
[  337.800774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.806041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.811067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.815914]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.820931]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.825950]  ? task_prio+0x50/0x50
[  337.829495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.835040]  ? check_preemption_disabled+0x48/0x280
[  337.840068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.844927]  apic_timer_interrupt+0xf/0x20
[  337.849156]  </IRQ>
[  337.851402] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  337.857550] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  337.876454] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  337.884163] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  337.891430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  337.898701] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  337.905970] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  337.913240] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  337.920534]  ? unlock_page+0x25d/0x4c0
[  337.924435]  unlock_page+0x25d/0x4c0
[  337.928156]  ? wake_up_page_bit+0x6f0/0x6f0
[  337.932482]  ? shrink_page_list+0x7e68/0xccd0
[  337.936979]  ? shrink_page_list+0x7e68/0xccd0
[  337.941479]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  337.946068]  ? shrink_inactive_list+0x77b/0x1c60
[  337.950832]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.955941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.961480]  ? check_preemption_disabled+0x48/0x280
[  337.966501]  ? shrink_page_list+0x145c/0xccd0
[  337.971006]  shrink_page_list+0x3714/0xccd0
[  337.975354]  ? page_evictable+0x540/0x540
[  337.979690]  ? rb_erase_cached+0xc78/0x3720
[  337.984016]  ? rb_erase_cached+0xc78/0x3720
[  337.988345]  ? rb_next+0x140/0x140
[  337.991899]  ? rb_next+0x140/0x140
[  337.995453]  ? rb_next+0x140/0x140
[  337.999177]  ? zap_class+0x640/0x640
[  338.002895]  ? zap_class+0x640/0x640
[  338.006631]  ? zap_class+0x640/0x640
[  338.010349]  ? zap_class+0x640/0x640
[  338.014063]  ? __update_load_avg_se+0x5eb/0xae0
[  338.018738]  ? __update_load_avg_blocked_se+0x690/0x690
[  338.024108]  ? __update_load_avg_se+0xae0/0xae0
[  338.028779]  ? zap_class+0x640/0x640
[  338.032506]  ? update_load_avg+0x387/0x2470
[  338.036837]  ? attach_entity_load_avg+0x860/0x860
[  338.041697]  ? update_load_avg+0x387/0x2470
[  338.046028]  ? attach_entity_load_avg+0x860/0x860
[  338.050883]  ? attach_entity_load_avg+0x860/0x860
[  338.055734]  ? attach_entity_load_avg+0x860/0x860
[  338.060583]  ? rb_erase+0x3710/0x3710
[  338.064394]  ? rb_erase+0x3710/0x3710
[  338.068200]  ? rb_erase+0x3710/0x3710
[  338.072003]  ? rb_erase+0x3710/0x3710
[  338.075814]  ? rb_erase+0x3710/0x3710
[  338.079629]  ? __lock_acquire+0x62f/0x4c20
[  338.083885]  ? zap_class+0x640/0x640
[  338.087613]  ? print_usage_bug+0xc0/0xc0
[  338.091677]  ? zap_class+0x640/0x640
[  338.095394]  ? zap_class+0x640/0x640
[  338.099112]  ? print_usage_bug+0xc0/0xc0
[  338.103176]  ? print_usage_bug+0xc0/0xc0
[  338.107240]  ? zap_class+0x640/0x640
[  338.110960]  ? __lock_is_held+0xb5/0x140
[  338.115040]  ? print_usage_bug+0xc0/0xc0
[  338.119114]  ? __lock_acquire+0x62f/0x4c20
[  338.123357]  ? mark_held_locks+0x130/0x130
[  338.127593]  ? print_usage_bug+0xc0/0xc0
[  338.131675]  ? rb_erase_cached+0xc78/0x3720
[  338.136005]  ? rb_next+0x140/0x140
[  338.139548]  ? rb_next+0x140/0x140
[  338.143097]  ? __lock_acquire+0x62f/0x4c20
[  338.147335]  ? __lock_acquire+0x62f/0x4c20
[  338.151572]  ? rcu_note_context_switch+0x12ad/0x2150
[  338.156690]  ? print_usage_bug+0xc0/0xc0
[  338.160764]  ? mark_held_locks+0x130/0x130
[  338.165006]  ? zap_class+0x640/0x640
[  338.168725]  ? print_usage_bug+0xc0/0xc0
[  338.172788]  ? put_dec+0x3b/0xf0
[  338.176178]  ? rb_next+0x140/0x140
[  338.179727]  ? __lock_acquire+0x62f/0x4c20
[  338.183968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.189514]  ? check_preemption_disabled+0x48/0x280
[  338.194549]  ? print_usage_bug+0xc0/0xc0
[  338.198628]  ? rb_erase_cached+0xc78/0x3720
[  338.202963]  ? rb_next+0x140/0x140
[  338.206520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.212059]  ? __isolate_lru_page+0xd05/0x1540
[  338.216661]  ? print_usage_bug+0xc0/0xc0
[  338.220727]  ? mark_held_locks+0x130/0x130
[  338.224962]  ? zap_class+0x640/0x640
[  338.228680]  ? update_load_avg+0x13b8/0x2470
[  338.233096]  ? print_usage_bug+0xc0/0xc0
[  338.237164]  ? zap_class+0x640/0x640
[  338.240886]  ? __lock_acquire+0x62f/0x4c20
[  338.245141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.250681]  ? check_preemption_disabled+0x48/0x280
[  338.255711]  ? __update_load_avg_blocked_se+0x690/0x690
[  338.261081]  ? __update_load_avg_se+0xae0/0xae0
[  338.265754]  ? zap_class+0x640/0x640
[  338.269480]  ? update_load_avg+0x387/0x2470
[  338.273817]  ? attach_entity_load_avg+0x860/0x860
[  338.278758]  ? update_load_avg+0x387/0x2470
[  338.283087]  ? attach_entity_load_avg+0x860/0x860
[  338.287932]  ? attach_entity_load_avg+0x860/0x860
[  338.292783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.298322]  ? __isolate_lru_page+0xd05/0x1540
[  338.302912]  ? putback_lru_page+0x280/0x280
[  338.307244]  ? rb_erase+0x3710/0x3710
[  338.311056]  ? mark_held_locks+0x130/0x130
[  338.315295]  ? cpuacct_charge+0x265/0x440
[  338.319455]  ? find_held_lock+0x36/0x1c0
[  338.323531]  ? zap_class+0x640/0x640
[  338.327252]  ? print_usage_bug+0xc0/0xc0
[  338.331313]  ? zap_class+0x640/0x640
[  338.335028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.339964]  ? kasan_check_read+0x11/0x20
[  338.344117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.349402]  ? zap_class+0x640/0x640
[  338.353117]  ? __lock_is_held+0xb5/0x140
[  338.357186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.362727]  ? check_preemption_disabled+0x48/0x280
[  338.367757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.373296]  ? check_preemption_disabled+0x48/0x280
[  338.378313]  ? __lock_is_held+0xb5/0x140
[  338.382382]  ? __this_cpu_preempt_check+0x1c/0x20
[  338.387233]  ? __mod_zone_page_state+0x8a/0xf0
[  338.391822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.397365]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  338.402578]  ? __isolate_lru_page+0x1540/0x1540
[  338.407271]  ? zap_class+0x640/0x640
[  338.410992]  ? print_usage_bug+0xc0/0xc0
[  338.415056]  ? __account_cfs_rq_runtime+0x790/0x790
[  338.420081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.425637]  ? find_held_lock+0x36/0x1c0
[  338.429705]  ? zap_class+0x640/0x640
[  338.433422]  ? print_usage_bug+0xc0/0xc0
[  338.437484]  ? mark_held_locks+0xc7/0x130
[  338.441643]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.446149]  ? zap_class+0x640/0x640
[  338.449875]  ? print_usage_bug+0xc0/0xc0
[  338.453948]  ? mark_held_locks+0xc7/0x130
[  338.458112]  ? find_held_lock+0x36/0x1c0
[  338.462185]  ? mark_held_locks+0xc7/0x130
[  338.466337]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.470836]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.475343]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.479932]  ? trace_hardirqs_on+0xbd/0x310
[  338.484258]  ? kasan_check_read+0x11/0x20
[  338.488411]  ? shrink_inactive_list+0x741/0x1c60
[  338.493174]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.498278]  ? trace_hardirqs_on+0x310/0x310
[  338.502690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.508233]  ? check_preemption_disabled+0x48/0x280
[  338.513262]  shrink_inactive_list+0x77b/0x1c60
[  338.517867]  ? putback_inactive_pages+0x27e0/0x27e0
[  338.522895]  ? kasan_check_read+0x11/0x20
[  338.527047]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  338.532328]  ? __rcu_read_unlock+0x2d6/0x2e0
[  338.536757]  ? blk_lld_busy+0x70/0x70
[  338.540560]  ? kasan_check_read+0x11/0x20
[  338.544726]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  338.549671]  shrink_node_memcg+0x78b/0x18f0
[  338.554016]  ? shrink_active_list+0x1f00/0x1f00
[  338.558696]  ? lock_downgrade+0x900/0x900
[  338.562853]  ? check_flush_dependency+0x410/0x410
[  338.567709]  ? kasan_check_read+0x11/0x20
[  338.571868]  ? do_raw_spin_unlock+0xa7/0x330
[  338.576291]  ? ___preempt_schedule+0x16/0x18
[  338.580711]  ? _raw_spin_unlock+0x3f/0x50
[  338.584907]  shrink_node+0x3bc/0x16b0
[  338.588715]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  338.594027]  ? shrink_node_memcg+0x18f0/0x18f0
[  338.598619]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.603206]  ? trace_hardirqs_on+0xbd/0x310
[  338.607534]  ? vmpressure+0x271/0x340
[  338.611345]  ? do_raw_spin_trylock+0x270/0x270
[  338.615942]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.621490]  ? __cpuset_node_allowed+0x19b/0x660
[  338.626257]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  338.631976]  ? vmpressure+0x1a2/0x340
[  338.635793]  do_try_to_free_pages+0x3e7/0x1290
[  338.640565]  ? zap_class+0x640/0x640
[  338.644306]  ? shrink_node+0x16b0/0x16b0
[  338.648372]  ? __lock_is_held+0xb5/0x140
[  338.652454]  try_to_free_pages+0x4d0/0xb90
[  338.656695]  ? do_try_to_free_pages+0x1290/0x1290
[  338.661551]  ? lock_acquire+0x1ed/0x520
[  338.665528]  ? set_page_refcounted+0x280/0x280
[  338.670120]  ? lock_release+0xa00/0xa00
[  338.674108]  ? _raw_spin_unlock_irq+0x60/0x80
[  338.678611]  ? psi_memstall_enter+0x240/0x2b0
[  338.683111]  ? psi_memstall_tick+0x230/0x230
[  338.687536]  __alloc_pages_slowpath+0xa14/0x2e10
[  338.692323]  ? warn_alloc+0x120/0x120
[  338.696123]  ? mark_held_locks+0x130/0x130
[  338.700369]  ? find_get_entry+0xaae/0x1120
[  338.704682]  ? filemap_map_pages+0x1a20/0x1a20
[  338.709273]  ? zap_class+0x640/0x640
[  338.713002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.718546]  ? check_preemption_disabled+0x48/0x280
[  338.723563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.729112]  ? should_fail+0x22d/0xd01
[  338.733005]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.738113]  ? zap_class+0x640/0x640
[  338.741855]  ? __lock_is_held+0xb5/0x140
[  338.745935]  ? mark_held_locks+0x130/0x130
[  338.750174]  ? lock_release+0xa00/0xa00
[  338.754151]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.759623]  ? xa_load+0x2ba/0x460
[  338.763172]  ? lock_downgrade+0x900/0x900
[  338.767330]  ? __might_sleep+0x95/0x190
[  338.771313]  __alloc_pages_nodemask+0xa80/0xde0
[  338.775995]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.781014]  ? __page_cache_alloc+0x191/0x5c0
[  338.785512]  ? xa_load+0x2e1/0x460
[  338.789057]  ? xa_clear_mark+0x40/0x40
[  338.792953]  ? zap_class+0x640/0x640
[  338.796674]  ? zap_class+0x640/0x640
[  338.800387]  ? zap_class+0x640/0x640
[  338.804103]  ? __do_page_cache_readahead+0x663/0x810
[  338.809212]  ? find_held_lock+0x36/0x1c0
[  338.813279]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  338.818821]  alloc_pages_current+0x173/0x350
[  338.823239]  __page_cache_alloc+0x38c/0x5c0
[  338.827563]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.832500]  ? kasan_check_read+0x11/0x20
[  338.836650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.841932]  ? generic_perform_write+0x6a0/0x6a0
[  338.846692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.852232]  ? check_preemption_disabled+0x48/0x280
[  338.857259]  filemap_fault+0x1595/0x25f0
[  338.861335]  ? __lock_page_or_retry+0xa00/0xa00
[  338.866010]  ? mark_held_locks+0x130/0x130
[  338.870256]  ? filemap_map_pages+0xd6b/0x1a20
[  338.874755]  ? lock_downgrade+0x900/0x900
[  338.878906]  ? check_preemption_disabled+0x48/0x280
[  338.883930]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.888867]  ? kasan_check_read+0x11/0x20
[  338.893022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.898301]  ? rcu_softirq_qs+0x20/0x20
[  338.902291]  ? filemap_map_pages+0xd92/0x1a20
[  338.906803]  ? find_get_entries_tag+0x1400/0x1400
[  338.911651]  ? debug_object_destroy+0x2b0/0x2b0
[  338.916326]  ? lock_pi_update_atomic+0x150/0x150
[  338.921086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.926645]  ? lock_acquire+0x1ed/0x520
[  338.930627]  ? ext4_filemap_fault+0x7a/0xad
[  338.934959]  ? lock_release+0xa00/0xa00
[  338.938938]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.944397]  ? print_usage_bug+0xc0/0xc0
[  338.948461]  ? print_usage_bug+0xc0/0xc0
[  338.952534]  ? down_read+0x8d/0x120
[  338.956159]  ? ext4_filemap_fault+0x7a/0xad
[  338.960483]  ? __down_interruptible+0x700/0x700
[  338.965165]  ext4_filemap_fault+0x82/0xad
[  338.969322]  __do_fault+0x100/0x6b0
[  338.972952]  ? find_held_lock+0x36/0x1c0
[  338.977021]  ? pmd_devmap_trans_unstable+0x220/0x220
[  338.982131]  ? mark_held_locks+0x130/0x130
[  338.986371]  ? mark_held_locks+0x130/0x130
[  338.990620]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.995120]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.999626]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  339.004216]  ? kasan_check_read+0x11/0x20
[  339.008365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.013914]  __handle_mm_fault+0x3ea6/0x5be0
[  339.018334]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  339.023180]  ? finish_task_switch+0x1f4/0x910
[  339.027677]  ? finish_task_switch+0x1b4/0x910
[  339.032175]  ? __switch_to_asm+0x34/0x70
[  339.036241]  ? preempt_notifier_register+0x200/0x200
[  339.041345]  ? __switch_to_asm+0x34/0x70
[  339.045413]  ? __switch_to_asm+0x34/0x70
[  339.049489]  ? zap_class+0x640/0x640
[  339.053209]  ? zap_class+0x640/0x640
[  339.056922]  ? __x64_sys_futex+0x53e/0x6a0
[  339.061164]  ? find_held_lock+0x36/0x1c0
[  339.065240]  ? handle_mm_fault+0x42a/0xc70
[  339.069479]  ? lock_downgrade+0x900/0x900
[  339.073631]  ? check_preemption_disabled+0x48/0x280
[  339.078656]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.083588]  ? kasan_check_read+0x11/0x20
[  339.087746]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.093023]  ? rcu_softirq_qs+0x20/0x20
[  339.096998]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.102104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.107642]  ? check_preemption_disabled+0x48/0x280
[  339.112669]  handle_mm_fault+0x54f/0xc70
[  339.116738]  ? __handle_mm_fault+0x5be0/0x5be0
[  339.121326]  ? find_vma+0x34/0x190
[  339.124878]  __do_page_fault+0x5e8/0xe60
[  339.128947]  ? trace_hardirqs_off+0xb8/0x310
[  339.133369]  do_page_fault+0xf2/0x7e0
[  339.137172]  ? vmalloc_sync_all+0x30/0x30
[  339.141323]  ? error_entry+0x70/0xd0
[  339.145039]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.150062]  ? trace_hardirqs_on_caller+0xc0/0x310
[  339.155016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.159958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.164801]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.169820]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  339.175279]  ? prepare_exit_to_usermode+0x291/0x3b0
[  339.180308]  ? page_fault+0x8/0x30
[  339.183854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.188706]  ? page_fault+0x8/0x30
[  339.192248]  page_fault+0x1e/0x30
[  339.195704] RIP: 0033:0x40f9c0
[  339.198909] Code: Bad RIP value.
[  339.202272] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  339.207632] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  339.214898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  339.222169] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  339.229439] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  339.236705] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  339.243994] warn_alloc_show_mem: 1 callbacks suppressed
[  339.244006] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  339.244008] Mem-Info:
[  339.244039] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  339.244039]  active_file:14 inactive_file:15 isolated_file:0
[  339.244039]  unevictable:0 dirty:0 writeback:0 unstable:0
[  339.244039]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  339.244039]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  339.244039]  free:13731 free_pcp:182 free_cma:0
[  339.249381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.256318] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  339.258714] Call Trace:
[  339.291765] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  339.301116]  <IRQ>
[  339.328947] lowmem_reserve[]: 0 2818 6321 6321
[  339.331531]  dump_stack+0x244/0x39d
[  339.357623] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  339.359776]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.364324] lowmem_reserve[]: 0 0 3503 3503
[  339.367955]  warn_alloc.cold.116+0xb7/0x1bd
[  339.395690] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  339.400886]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.405181] lowmem_reserve[]: 0 0 0 0
[  339.409506]  ? lock_downgrade+0x900/0x900
[  339.438550] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  339.443403]  ? trace_hardirqs_off+0xb8/0x310
[  339.447170] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  339.451312]  ? trace_hardirqs_off+0xb8/0x310
[  339.464821] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  339.469238]  __alloc_pages_slowpath+0x26e8/0x2e10
[  339.484382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  339.488803]  ? warn_alloc+0x120/0x120
[  339.504115] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  339.508955]  ? print_usage_bug+0xc0/0xc0
[  339.517766] 2704 total pagecache pages
[  339.521560]  ? warn_alloc+0x120/0x120
[  339.530115] 0 pages in swap cache
[  339.534164]  ? warn_alloc+0x120/0x120
[  339.538028] Swap cache stats: add 0, delete 0, find 0/0
[  339.541819]  ? print_usage_bug+0xc0/0xc0
[  339.545251] Free swap  = 0kB
[  339.549045]  ? print_usage_bug+0xc0/0xc0
[  339.554383] Total swap = 0kB
[  339.558435]  ? __lock_acquire+0x62f/0x4c20
[  339.561432] 1965979 pages RAM
[  339.565489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.568485] 0 pages HighMem/MovableOnly
[  339.572714]  ? should_fail+0x22d/0xd01
[  339.575797] 342858 pages reserved
[  339.581324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.585276] 0 pages cma reserved
[  339.589156]  ? __lock_acquire+0x62f/0x4c20
[  339.592656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.597685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.597698]  ? __lock_acquire+0x62f/0x4c20
[  339.597714]  ? should_fail+0x22d/0xd01
[  339.601119] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.605288]  ? find_held_lock+0x36/0x1c0
[  339.611754] syz-fuzzer cpuset=/ mems_allowed=0
[  339.616852]  ? mark_held_locks+0x130/0x130
[  339.648181]  ? mark_held_locks+0x130/0x130
[  339.652420]  ? zap_class+0x640/0x640
[  339.656136]  ? zap_class+0x640/0x640
[  339.659855]  ? print_usage_bug+0xc0/0xc0
[  339.663915]  ? do_raw_spin_unlock+0xa7/0x330
[  339.668323]  ? zap_class+0x640/0x640
[  339.672040]  ? print_usage_bug+0xc0/0xc0
[  339.676103]  ? wq_watchdog_touch+0x9c/0xfe
[  339.680344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.685893]  ? check_preemption_disabled+0x48/0x280
[  339.690924]  ? __lock_is_held+0xb5/0x140
[  339.694999]  __alloc_pages_nodemask+0xa80/0xde0
[  339.699670]  ? zap_class+0x640/0x640
[  339.703393]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.708424]  ? find_held_lock+0x36/0x1c0
[  339.712502]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.717172]  ? lock_downgrade+0x900/0x900
[  339.721334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.726881]  cache_grow_begin+0xa5/0x8c0
[  339.730943]  ? do_raw_spin_unlock+0xa7/0x330
[  339.735368]  fallback_alloc+0x204/0x2e0
[  339.739354]  ____cache_alloc_node+0x1c7/0x1e0
[  339.743862]  kmem_cache_alloc_node+0xe3/0x730
[  339.748367]  ? ipv6_get_ifaddr+0x42e/0x620
[  339.752622]  __alloc_skb+0x119/0x770
[  339.756340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.761645]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.766060]  ? lock_downgrade+0x900/0x900
[  339.770686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.776226]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.781685]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.787142]  ? addrconf_rs_timer+0x690/0x690
[  339.791564]  ndisc_alloc_skb+0x144/0x340
[  339.795640]  ndisc_send_rs+0x331/0x6e0
[  339.799534]  addrconf_rs_timer+0x314/0x690
[  339.803775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.808021]  call_timer_fn+0x272/0x920
[  339.811907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.816145]  ? process_timeout+0x40/0x40
[  339.820214]  ? __run_timers+0x7da/0xc70
[  339.824195]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.828697]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.833192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.837430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.842020]  ? trace_hardirqs_on+0xbd/0x310
[  339.846346]  ? kasan_check_read+0x11/0x20
[  339.850499]  ? __run_timers+0x7da/0xc70
[  339.854477]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.859585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.863831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.868082]  __run_timers+0x7e5/0xc70
[  339.871897]  ? timer_fixup_init+0x70/0x70
[  339.876052]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  339.881088]  ? zap_class+0x640/0x640
[  339.884810]  ? enqueue_hrtimer+0x1a5/0x560
[  339.889054]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  339.894254]  ? find_held_lock+0x36/0x1c0
[  339.898326]  ? zap_class+0x640/0x640
[  339.902052]  ? pvclock_read_flags+0x160/0x160
[  339.906550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.912090]  ? check_preemption_disabled+0x48/0x280
[  339.917120]  ? __lock_is_held+0xb5/0x140
[  339.921184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.926725]  ? check_preemption_disabled+0x48/0x280
[  339.931798]  run_timer_softirq+0x52/0xb0
[  339.935864]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.940883]  __do_softirq+0x308/0xb7e
[  339.944691]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.949187]  ? lock_downgrade+0x900/0x900
[  339.953516]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.958635]  ? pvclock_read_flags+0x160/0x160
[  339.963135]  ? lapic_next_event+0x5a/0x90
[  339.967292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.972842]  ? kvm_clock_read+0x18/0x30
[  339.976863]  ? kvm_sched_clock_read+0x9/0x20
[  339.981276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.986820]  ? check_preemption_disabled+0x48/0x280
[  339.991847]  irq_exit+0x17f/0x1c0
[  339.995330]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.000181]  ? smp_reschedule_interrupt+0x109/0x650
[  340.005206]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.011098]  ? interrupt_entry+0xb5/0xc0
[  340.015166]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.020186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.025205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.030049]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.035070]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.040086]  ? task_prio+0x50/0x50
[  340.043642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.049181]  ? check_preemption_disabled+0x48/0x280
[  340.054205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.059059]  apic_timer_interrupt+0xf/0x20
[  340.063292]  </IRQ>
[  340.065538] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  340.070470] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  340.089374] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  340.097081] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  340.104348] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  340.111629] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  340.118904] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  340.126174] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  340.133494]  skb_clone+0x1bb/0x500
[  340.137042]  ? finish_task_switch+0x1b4/0x910
[  340.141540]  ? skb_split+0x11e0/0x11e0
[  340.145434]  ? preempt_notifier_register+0x200/0x200
[  340.150541]  ? __switch_to_asm+0x34/0x70
[  340.154614]  ? __switch_to_asm+0x34/0x70
[  340.158679]  ? __switch_to_asm+0x40/0x70
[  340.162741]  ? __switch_to_asm+0x34/0x70
[  340.166804]  ? __switch_to_asm+0x40/0x70
[  340.170866]  ? __switch_to_asm+0x34/0x70
[  340.174930]  ? __switch_to_asm+0x40/0x70
[  340.178990]  ? __switch_to_asm+0x34/0x70
[  340.183056]  ? __switch_to_asm+0x34/0x70
[  340.187120]  ? __switch_to_asm+0x40/0x70
[  340.191180]  ? __switch_to_asm+0x34/0x70
[  340.195252]  bpf_clone_redirect+0xb9/0x490
[  340.199496]  ? __schedule+0x8d7/0x21d0
[  340.203400]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  340.208424]  ? __sched_text_start+0x8/0x8
[  340.212578]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  340.217376]  ? find_held_lock+0x36/0x1c0
[  340.221452]  ? lock_acquire+0x1ed/0x520
[  340.225431]  ? bpf_test_run+0x3cb/0x780
[  340.229413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.234954]  ? check_preemption_disabled+0x48/0x280
[  340.239981]  ? kasan_check_read+0x11/0x20
[  340.244131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.249411]  ? rcu_softirq_qs+0x20/0x20
[  340.253392]  ? preempt_schedule+0x4d/0x60
[  340.257545]  ? ___preempt_schedule+0x16/0x18
[  340.261964]  ? bpf_test_run+0x25d/0x780
[  340.265951]  ? netlink_diag_dump+0x2a0/0x2a0
[  340.270370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.275918]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  340.280689]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  340.285536]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  340.291078]  ? fput+0x130/0x1a0
[  340.294371]  ? __bpf_prog_get+0x9b/0x290
[  340.298441]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  340.303283]  ? bpf_prog_test_run+0x130/0x1a0
[  340.307697]  ? __x64_sys_bpf+0x3d8/0x520
[  340.311761]  ? bpf_prog_get+0x20/0x20
[  340.315587]  ? do_syscall_64+0x1b9/0x820
[  340.319665]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  340.325033]  ? syscall_return_slowpath+0x5e0/0x5e0
[  340.329966]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.334987]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  340.340012]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  340.346680]  ? __switch_to_asm+0x40/0x70
[  340.350742]  ? __switch_to_asm+0x34/0x70
[  340.354810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.359663]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  340.365049] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  340.365083] rcu: INFO: rcu_preempt self-detected stall on CPU
[  340.371643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.377760] rcu: 	1-...!: (86 ticks this GP) idle=b5a/1/0x4000000000000004 softirq=16908/16908 fqs=0 
[  340.386844] Call Trace:
[  340.386850]  <IRQ>
[  340.386875]  dump_stack+0x244/0x39d
[  340.386894]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.386922]  warn_alloc.cold.116+0xb7/0x1bd
[  340.386939]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.386959]  ? lock_downgrade+0x900/0x900
[  340.386982]  ? trace_hardirqs_off+0xb8/0x310
[  340.387003]  ? trace_hardirqs_off+0xb8/0x310
[  340.387024]  __alloc_pages_slowpath+0x26e8/0x2e10
[  340.396667] rcu: 	 (t=10573 jiffies g=21453 q=1)
[  340.399277]  ? warn_alloc+0x120/0x120
[  340.401405] rcu: rcu_preempt kthread starved for 10573 jiffies! g21453 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  340.405014]  ? print_usage_bug+0xc0/0xc0
[  340.410178] rcu: RCU grace-period kthread stack dump:
[  340.414493]  ? warn_alloc+0x120/0x120
[  340.419313] rcu_preempt     R  running task    22696    10      2 0x80000000
[  340.423453]  ? warn_alloc+0x120/0x120
[  340.427853] Call Trace:
[  340.432261]  ? print_usage_bug+0xc0/0xc0
[  340.437086]  __schedule+0x8cf/0x21d0
[  340.441830]  ? print_usage_bug+0xc0/0xc0
[  340.445628]  ? __sched_text_start+0x8/0x8
[  340.456100]  ? __lock_acquire+0x62f/0x4c20
[  340.460154]  ? add_timer_on+0xa20/0xa20
[  340.465328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.469114]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.476282]  ? should_fail+0x22d/0xd01
[  340.480067]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.482643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.486688]  ? trace_hardirqs_on+0xbd/0x310
[  340.490385]  ? __lock_acquire+0x62f/0x4c20
[  340.494432]  ? kasan_check_read+0x11/0x20
[  340.498564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.502787]  ? prepare_to_swait_event+0x25a/0x800
[  340.506742]  ? __lock_acquire+0x62f/0x4c20
[  340.512268]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.517358]  ? should_fail+0x22d/0xd01
[  340.521236]  schedule+0xfe/0x460
[  340.526324]  ? find_held_lock+0x36/0x1c0
[  340.531407]  ? __schedule+0x21d0/0x21d0
[  340.535716]  ? mark_held_locks+0x130/0x130
[  340.539933]  ? prepare_to_swait_event+0x25a/0x800
[  340.544065]  ? mark_held_locks+0x130/0x130
[  340.549156]  ? __init_swait_queue_head+0x150/0x150
[  340.553982]  ? zap_class+0x640/0x640
[  340.558202]  ? __lockdep_init_map+0x105/0x590
[  340.563292]  ? zap_class+0x640/0x640
[  340.567164]  ? lockdep_init_map+0x9/0x10
[  340.570517]  ? print_usage_bug+0xc0/0xc0
[  340.574567]  schedule_timeout+0x140/0x260
[  340.578524]  ? do_raw_spin_unlock+0xa7/0x330
[  340.582744]  ? usleep_range+0x1a0/0x1a0
[  340.587569]  ? zap_class+0x640/0x640
[  340.591786]  ? __next_timer_interrupt+0x1a0/0x1a0
[  340.596703]  ? print_usage_bug+0xc0/0xc0
[  340.600415]  rcu_gp_fqs_loop+0x762/0xa80
[  340.604887]  ? wq_watchdog_touch+0x9c/0xfe
[  340.608593]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  340.612642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.616689]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.620826]  ? check_preemption_disabled+0x48/0x280
[  340.625219]  ? perf_trace_sched_process_exec+0x860/0x860
[  340.629185]  ? __lock_is_held+0xb5/0x140
[  340.632877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.632900]  ? rcu_gp_init+0x90b/0x1260
[  340.637731]  __alloc_pages_nodemask+0xa80/0xde0
[  340.641775]  ? __switch_to_asm+0x40/0x70
[  340.645818]  ? zap_class+0x640/0x640
[  340.650048]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  340.654793]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.660316]  ? __switch_to_asm+0x40/0x70
[  340.665411]  ? find_held_lock+0x36/0x1c0
[  340.670409]  ? find_held_lock+0x36/0x1c0
[  340.675851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.679911]  ? zap_class+0x640/0x640
[  340.685434]  ? lock_downgrade+0x900/0x900
[  340.689401]  ? prepare_to_swait_event+0x25a/0x800
[  340.694052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.698097]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.701800]  cache_grow_begin+0xa5/0x8c0
[  340.706557]  ? find_held_lock+0x36/0x1c0
[  340.711563]  ? do_raw_spin_unlock+0xa7/0x330
[  340.715622]  ? finish_swait+0x25d/0x430
[  340.719729]  fallback_alloc+0x204/0x2e0
[  340.723780]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.728439]  ____cache_alloc_node+0x1c7/0x1e0
[  340.732133]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.736271]  kmem_cache_alloc_node+0xe3/0x730
[  340.741096]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.746625]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.751716]  ? trace_hardirqs_on+0xbd/0x310
[  340.755769]  __alloc_skb+0x119/0x770
[  340.759816]  ? kasan_check_read+0x11/0x20
[  340.764211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.768170]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.772136]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.777221]  ? __init_swait_queue_head+0x150/0x150
[  340.781697]  ? lock_downgrade+0x900/0x900
[  340.786793]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  340.791273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.795837]  ? finish_swait+0x25d/0x430
[  340.800058]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.804368]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.808061]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.812198]  ? swake_up_locked+0x360/0x360
[  340.817457]  ? addrconf_rs_timer+0x690/0x690
[  340.822546]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.826947]  ndisc_alloc_skb+0x144/0x340
[  340.831856]  ? perf_trace_sched_process_exec+0x860/0x860
[  340.835991]  ndisc_send_rs+0x331/0x6e0
[  340.841085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.846616]  addrconf_rs_timer+0x314/0x690
[  340.850584]  rcu_gp_kthread+0x341/0xc70
[  340.856018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.860590]  ? rcu_gp_init+0x1260/0x1260
[  340.866056]  call_timer_fn+0x272/0x920
[  340.870272]  ? mark_held_locks+0x130/0x130
[  340.874665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.879753]  ? __schedule+0x168a/0x21d0
[  340.883797]  ? process_timeout+0x40/0x40
[  340.889234]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.893108]  ? mark_held_locks+0xc7/0x130
[  340.898632]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.902852]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.906812]  ? trace_hardirqs_on+0xbd/0x310
[  340.911027]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.915073]  ? kasan_check_read+0x11/0x20
[  340.918944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.923162]  ? __schedule+0x168a/0x21d0
[  340.927385]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.931346]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.935392]  ? trace_hardirqs_on+0xbd/0x310
[  340.939879]  ? lock_pin_lock+0x350/0x350
[  340.944015]  ? kasan_check_read+0x11/0x20
[  340.948584]  ? _raw_spin_unlock_irq+0x60/0x80
[  340.953059]  ? __run_timers+0x7da/0xc70
[  340.957400]  ? __schedule+0x168a/0x21d0
[  340.961887]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.966017]  ? __switch_to_asm+0x40/0x70
[  340.970237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.974199]  ? __switch_to_asm+0x40/0x70
[  340.978764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.983855]  ? cpufreq_remove_update_util_hook+0x31/0x110
[  340.988165]  __run_timers+0x7e5/0xc70
[  340.992215]  ? __sched_text_start+0x8/0x8
[  340.996356]  ? timer_fixup_init+0x70/0x70
[  341.000840]  ? find_held_lock+0x36/0x1c0
[  341.004798]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.008763]  ? __kthread_parkme+0xce/0x1a0
[  341.013844]  ? zap_class+0x640/0x640
[  341.017896]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  341.022111]  ? print_usage_bug+0xc0/0xc0
[  341.026159]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  341.030383]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  341.035903]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.039691]  ? find_held_lock+0x36/0x1c0
[  341.043825]  ? trace_hardirqs_on+0xbd/0x310
[  341.047955]  ? zap_class+0x640/0x640
[  341.052001]  ? kasan_check_read+0x11/0x20
[  341.057001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.061220]  ? __kthread_parkme+0xce/0x1a0
[  341.064917]  ? check_preemption_disabled+0x48/0x280
[  341.070000]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.074050]  ? __lock_is_held+0xb5/0x140
[  341.079141]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  341.084307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.088876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.088894]  ? __kthread_parkme+0xfb/0x1a0
[  341.092944]  ? check_preemption_disabled+0x48/0x280
[  341.097253]  ? rcu_gp_init+0x1260/0x1260
[  341.100952]  run_timer_softirq+0x52/0xb0
[  341.105109]  kthread+0x35a/0x440
[  341.110640]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.114857]  ? kthread_stop+0x900/0x900
[  341.119870]  __do_softirq+0x308/0xb7e
[  341.124952]  ret_from_fork+0x3a/0x50
[  341.129001]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.134095] NMI backtrace for cpu 1
[  341.139626]  ? lock_downgrade+0x900/0x900
[  341.194457]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.199575]  ? pvclock_read_flags+0x160/0x160
[  341.204085]  ? lapic_next_event+0x5a/0x90
[  341.208236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.213781]  ? kvm_clock_read+0x18/0x30
[  341.217757]  ? kvm_sched_clock_read+0x9/0x20
[  341.222170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.227713]  ? check_preemption_disabled+0x48/0x280
[  341.232744]  irq_exit+0x17f/0x1c0
[  341.236203]  smp_apic_timer_interrupt+0x1cb/0x760
[  341.241047]  ? smp_reschedule_interrupt+0x109/0x650
[  341.246066]  ? smp_call_function_single_interrupt+0x650/0x650
[  341.251957]  ? interrupt_entry+0xb5/0xc0
[  341.256023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.261047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.266066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.270910]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.275928]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.280945]  ? task_prio+0x50/0x50
[  341.284493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.290032]  ? check_preemption_disabled+0x48/0x280
[  341.295059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.299914]  apic_timer_interrupt+0xf/0x20
[  341.304146]  </IRQ>
[  341.306388] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  341.312628] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  341.331527] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  341.339238] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  341.346503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  341.353793] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  341.361063] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  341.368328] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  341.375625]  ? unlock_page+0x25d/0x4c0
[  341.379525]  unlock_page+0x25d/0x4c0
[  341.383242]  ? wake_up_page_bit+0x6f0/0x6f0
[  341.387567]  ? shrink_page_list+0x7e68/0xccd0
[  341.392068]  ? shrink_page_list+0x7e68/0xccd0
[  341.396574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.401167]  ? shrink_inactive_list+0x77b/0x1c60
[  341.405925]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.411035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.416576]  ? check_preemption_disabled+0x48/0x280
[  341.421610]  ? shrink_page_list+0x145c/0xccd0
[  341.426115]  shrink_page_list+0x3714/0xccd0
[  341.430464]  ? page_evictable+0x540/0x540
[  341.434795]  ? rb_erase_cached+0xc78/0x3720
[  341.439121]  ? rb_erase_cached+0xc78/0x3720
[  341.443447]  ? rb_next+0x140/0x140
[  341.447012]  ? rb_next+0x140/0x140
[  341.450615]  ? rb_next+0x140/0x140
[  341.454233]  ? zap_class+0x640/0x640
[  341.457951]  ? zap_class+0x640/0x640
[  341.461666]  ? zap_class+0x640/0x640
[  341.465385]  ? zap_class+0x640/0x640
[  341.469099]  ? __update_load_avg_se+0x5eb/0xae0
[  341.473772]  ? __update_load_avg_blocked_se+0x690/0x690
[  341.479141]  ? __update_load_avg_se+0xae0/0xae0
[  341.483808]  ? zap_class+0x640/0x640
[  341.487532]  ? update_load_avg+0x387/0x2470
[  341.491873]  ? attach_entity_load_avg+0x860/0x860
[  341.496729]  ? update_load_avg+0x387/0x2470
[  341.501063]  ? attach_entity_load_avg+0x860/0x860
[  341.505912]  ? attach_entity_load_avg+0x860/0x860
[  341.510762]  ? attach_entity_load_avg+0x860/0x860
[  341.515620]  ? rb_erase+0x3710/0x3710
[  341.519432]  ? rb_erase+0x3710/0x3710
[  341.523232]  ? rb_erase+0x3710/0x3710
[  341.527049]  ? rb_erase+0x3710/0x3710
[  341.530858]  ? rb_erase+0x3710/0x3710
[  341.534675]  ? __lock_acquire+0x62f/0x4c20
[  341.538927]  ? zap_class+0x640/0x640
[  341.542644]  ? print_usage_bug+0xc0/0xc0
[  341.546707]  ? zap_class+0x640/0x640
[  341.550427]  ? zap_class+0x640/0x640
[  341.554141]  ? print_usage_bug+0xc0/0xc0
[  341.558208]  ? print_usage_bug+0xc0/0xc0
[  341.562272]  ? zap_class+0x640/0x640
[  341.565987]  ? __lock_is_held+0xb5/0x140
[  341.570063]  ? print_usage_bug+0xc0/0xc0
[  341.574137]  ? __lock_acquire+0x62f/0x4c20
[  341.578381]  ? mark_held_locks+0x130/0x130
[  341.582624]  ? print_usage_bug+0xc0/0xc0
[  341.586704]  ? rb_erase_cached+0xc78/0x3720
[  341.591040]  ? rb_next+0x140/0x140
[  341.594586]  ? rb_next+0x140/0x140
[  341.598138]  ? __lock_acquire+0x62f/0x4c20
[  341.602374]  ? __lock_acquire+0x62f/0x4c20
[  341.606617]  ? rcu_note_context_switch+0x12ad/0x2150
[  341.611724]  ? print_usage_bug+0xc0/0xc0
[  341.615801]  ? mark_held_locks+0x130/0x130
[  341.620041]  ? zap_class+0x640/0x640
[  341.623758]  ? print_usage_bug+0xc0/0xc0
[  341.627819]  ? put_dec+0x3b/0xf0
[  341.631207]  ? rb_next+0x140/0x140
[  341.634758]  ? __lock_acquire+0x62f/0x4c20
[  341.639194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.644736]  ? check_preemption_disabled+0x48/0x280
[  341.649767]  ? print_usage_bug+0xc0/0xc0
[  341.653842]  ? rb_erase_cached+0xc78/0x3720
[  341.658180]  ? rb_next+0x140/0x140
[  341.661734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.667279]  ? __isolate_lru_page+0xd05/0x1540
[  341.671881]  ? print_usage_bug+0xc0/0xc0
[  341.675948]  ? mark_held_locks+0x130/0x130
[  341.680182]  ? zap_class+0x640/0x640
[  341.683902]  ? update_load_avg+0x13b8/0x2470
[  341.688318]  ? print_usage_bug+0xc0/0xc0
[  341.692385]  ? zap_class+0x640/0x640
[  341.696101]  ? __lock_acquire+0x62f/0x4c20
[  341.700337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.705882]  ? check_preemption_disabled+0x48/0x280
[  341.710910]  ? __update_load_avg_blocked_se+0x690/0x690
[  341.716279]  ? __update_load_avg_se+0xae0/0xae0
[  341.720946]  ? zap_class+0x640/0x640
[  341.724671]  ? update_load_avg+0x387/0x2470
[  341.729000]  ? attach_entity_load_avg+0x860/0x860
[  341.733851]  ? update_load_avg+0x387/0x2470
[  341.738180]  ? attach_entity_load_avg+0x860/0x860
[  341.743024]  ? attach_entity_load_avg+0x860/0x860
[  341.747883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.753425]  ? __isolate_lru_page+0xd05/0x1540
[  341.758017]  ? putback_lru_page+0x280/0x280
[  341.762345]  ? rb_erase+0x3710/0x3710
[  341.766162]  ? mark_held_locks+0x130/0x130
[  341.770543]  ? cpuacct_charge+0x265/0x440
[  341.774703]  ? find_held_lock+0x36/0x1c0
[  341.778777]  ? zap_class+0x640/0x640
[  341.782493]  ? print_usage_bug+0xc0/0xc0
[  341.786562]  ? zap_class+0x640/0x640
[  341.790281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.795217]  ? kasan_check_read+0x11/0x20
[  341.799366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.804897]  ? zap_class+0x640/0x640
[  341.808619]  ? __lock_is_held+0xb5/0x140
[  341.812691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.818243]  ? check_preemption_disabled+0x48/0x280
[  341.823270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.828815]  ? check_preemption_disabled+0x48/0x280
[  341.833837]  ? __lock_is_held+0xb5/0x140
[  341.837912]  ? __this_cpu_preempt_check+0x1c/0x20
[  341.842756]  ? __mod_zone_page_state+0x8a/0xf0
[  341.847346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.852892]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  341.858108]  ? __isolate_lru_page+0x1540/0x1540
[  341.862797]  ? zap_class+0x640/0x640
[  341.868079]  ? print_usage_bug+0xc0/0xc0
[  341.872141]  ? __account_cfs_rq_runtime+0x790/0x790
[  341.877169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.882715]  ? find_held_lock+0x36/0x1c0
[  341.886784]  ? zap_class+0x640/0x640
[  341.890504]  ? print_usage_bug+0xc0/0xc0
[  341.894569]  ? mark_held_locks+0xc7/0x130
[  341.898734]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.903240]  ? zap_class+0x640/0x640
[  341.906960]  ? print_usage_bug+0xc0/0xc0
[  341.911030]  ? mark_held_locks+0xc7/0x130
[  341.915186]  ? find_held_lock+0x36/0x1c0
[  341.919260]  ? mark_held_locks+0xc7/0x130
[  341.923418]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.927917]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.932414]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.937032]  ? trace_hardirqs_on+0xbd/0x310
[  341.941355]  ? kasan_check_read+0x11/0x20
[  341.945505]  ? shrink_inactive_list+0x741/0x1c60
[  341.950268]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.955375]  ? trace_hardirqs_on+0x310/0x310
[  341.959789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.965350]  ? check_preemption_disabled+0x48/0x280
[  341.970380]  shrink_inactive_list+0x77b/0x1c60
[  341.974981]  ? putback_inactive_pages+0x27e0/0x27e0
[  341.980008]  ? kasan_check_read+0x11/0x20
[  341.984162]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  341.989445]  ? __rcu_read_unlock+0x2d6/0x2e0
[  341.993856]  ? blk_lld_busy+0x70/0x70
[  341.997669]  ? kasan_check_read+0x11/0x20
[  342.001837]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  342.006797]  shrink_node_memcg+0x78b/0x18f0
[  342.011137]  ? shrink_active_list+0x1f00/0x1f00
[  342.015814]  ? lock_downgrade+0x900/0x900
[  342.019973]  ? check_flush_dependency+0x410/0x410
[  342.024825]  ? kasan_check_read+0x11/0x20
[  342.028982]  ? do_raw_spin_unlock+0xa7/0x330
[  342.033400]  ? ___preempt_schedule+0x16/0x18
[  342.037818]  ? _raw_spin_unlock+0x3f/0x50
[  342.041982]  shrink_node+0x3bc/0x16b0
[  342.045789]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  342.051099]  ? shrink_node_memcg+0x18f0/0x18f0
[  342.055686]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.060276]  ? trace_hardirqs_on+0xbd/0x310
[  342.064613]  ? vmpressure+0x271/0x340
[  342.068422]  ? do_raw_spin_trylock+0x270/0x270
[  342.073014]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.078554]  ? __cpuset_node_allowed+0x19b/0x660
[  342.083316]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  342.089030]  ? vmpressure+0x1a2/0x340
[  342.092846]  do_try_to_free_pages+0x3e7/0x1290
[  342.097434]  ? zap_class+0x640/0x640
[  342.101168]  ? shrink_node+0x16b0/0x16b0
[  342.105243]  ? __lock_is_held+0xb5/0x140
[  342.109325]  try_to_free_pages+0x4d0/0xb90
[  342.113570]  ? do_try_to_free_pages+0x1290/0x1290
[  342.118438]  ? lock_acquire+0x1ed/0x520
[  342.122414]  ? set_page_refcounted+0x280/0x280
[  342.127010]  ? lock_release+0xa00/0xa00
[  342.131001]  ? _raw_spin_unlock_irq+0x60/0x80
[  342.135501]  ? psi_memstall_enter+0x240/0x2b0
[  342.140176]  ? psi_memstall_tick+0x230/0x230
[  342.144609]  __alloc_pages_slowpath+0xa14/0x2e10
[  342.149414]  ? warn_alloc+0x120/0x120
[  342.153216]  ? mark_held_locks+0x130/0x130
[  342.157464]  ? find_get_entry+0xaae/0x1120
[  342.161712]  ? filemap_map_pages+0x1a20/0x1a20
[  342.166306]  ? zap_class+0x640/0x640
[  342.170034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.175575]  ? check_preemption_disabled+0x48/0x280
[  342.180613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.186153]  ? should_fail+0x22d/0xd01
[  342.190045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.195156]  ? zap_class+0x640/0x640
[  342.198904]  ? __lock_is_held+0xb5/0x140
[  342.202978]  ? mark_held_locks+0x130/0x130
[  342.207221]  ? lock_release+0xa00/0xa00
[  342.211201]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.216656]  ? xa_load+0x2ba/0x460
[  342.220202]  ? lock_downgrade+0x900/0x900
[  342.224357]  ? __might_sleep+0x95/0x190
[  342.228341]  __alloc_pages_nodemask+0xa80/0xde0
[  342.233028]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.238051]  ? __page_cache_alloc+0x191/0x5c0
[  342.242550]  ? xa_load+0x2e1/0x460
[  342.246097]  ? xa_clear_mark+0x40/0x40
[  342.249988]  ? zap_class+0x640/0x640
[  342.253716]  ? zap_class+0x640/0x640
[  342.257438]  ? zap_class+0x640/0x640
[  342.261154]  ? __do_page_cache_readahead+0x663/0x810
[  342.266268]  ? find_held_lock+0x36/0x1c0
[  342.270338]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  342.275886]  alloc_pages_current+0x173/0x350
[  342.280305]  __page_cache_alloc+0x38c/0x5c0
[  342.284638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.289569]  ? kasan_check_read+0x11/0x20
[  342.293730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.299021]  ? generic_perform_write+0x6a0/0x6a0
[  342.303782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.309326]  ? check_preemption_disabled+0x48/0x280
[  342.314358]  filemap_fault+0x1595/0x25f0
[  342.318433]  ? __lock_page_or_retry+0xa00/0xa00
[  342.323108]  ? mark_held_locks+0x130/0x130
[  342.327353]  ? filemap_map_pages+0xd6b/0x1a20
[  342.331854]  ? lock_downgrade+0x900/0x900
[  342.336021]  ? check_preemption_disabled+0x48/0x280
[  342.341046]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.345975]  ? kasan_check_read+0x11/0x20
[  342.350129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.355407]  ? rcu_softirq_qs+0x20/0x20
[  342.359399]  ? filemap_map_pages+0xd92/0x1a20
[  342.363917]  ? find_get_entries_tag+0x1400/0x1400
[  342.368764]  ? debug_object_destroy+0x2b0/0x2b0
[  342.373441]  ? lock_pi_update_atomic+0x150/0x150
[  342.378199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.383753]  ? lock_acquire+0x1ed/0x520
[  342.387732]  ? ext4_filemap_fault+0x7a/0xad
[  342.392061]  ? lock_release+0xa00/0xa00
[  342.396036]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.401489]  ? print_usage_bug+0xc0/0xc0
[  342.405554]  ? print_usage_bug+0xc0/0xc0
[  342.409635]  ? down_read+0x8d/0x120
[  342.413265]  ? ext4_filemap_fault+0x7a/0xad
[  342.417591]  ? __down_interruptible+0x700/0x700
[  342.422284]  ext4_filemap_fault+0x82/0xad
[  342.426442]  __do_fault+0x100/0x6b0
[  342.430071]  ? find_held_lock+0x36/0x1c0
[  342.434138]  ? pmd_devmap_trans_unstable+0x220/0x220
[  342.439245]  ? mark_held_locks+0x130/0x130
[  342.443485]  ? mark_held_locks+0x130/0x130
[  342.447726]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.452222]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.456722]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.461312]  ? kasan_check_read+0x11/0x20
[  342.465463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.471008]  __handle_mm_fault+0x3ea6/0x5be0
[  342.475437]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  342.480284]  ? finish_task_switch+0x1f4/0x910
[  342.484782]  ? finish_task_switch+0x1b4/0x910
[  342.489283]  ? __switch_to_asm+0x34/0x70
[  342.493354]  ? preempt_notifier_register+0x200/0x200
[  342.498458]  ? __switch_to_asm+0x34/0x70
[  342.502522]  ? __switch_to_asm+0x34/0x70
[  342.506611]  ? zap_class+0x640/0x640
[  342.510330]  ? zap_class+0x640/0x640
[  342.514043]  ? __x64_sys_futex+0x53e/0x6a0
[  342.518287]  ? find_held_lock+0x36/0x1c0
[  342.522363]  ? handle_mm_fault+0x42a/0xc70
[  342.526616]  ? lock_downgrade+0x900/0x900
[  342.530772]  ? check_preemption_disabled+0x48/0x280
[  342.535797]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.540729]  ? kasan_check_read+0x11/0x20
[  342.544881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.550158]  ? rcu_softirq_qs+0x20/0x20
[  342.554133]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.559240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.564783]  ? check_preemption_disabled+0x48/0x280
[  342.569810]  handle_mm_fault+0x54f/0xc70
[  342.573887]  ? __handle_mm_fault+0x5be0/0x5be0
[  342.578479]  ? find_vma+0x34/0x190
[  342.582031]  __do_page_fault+0x5e8/0xe60
[  342.586097]  ? trace_hardirqs_off+0xb8/0x310
[  342.590517]  do_page_fault+0xf2/0x7e0
[  342.594320]  ? vmalloc_sync_all+0x30/0x30
[  342.598473]  ? error_entry+0x70/0xd0
[  342.602194]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.607214]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.612145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.617075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.621920]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.626937]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.632393]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.637627]  ? page_fault+0x8/0x30
[  342.641175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.646024]  ? page_fault+0x8/0x30
[  342.649569]  page_fault+0x1e/0x30
[  342.653033] RIP: 0033:0x40f9c0
[  342.656237] Code: Bad RIP value.
[  342.659605] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  342.664968] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  342.672233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  342.679516] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  342.686784] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  342.694055] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  342.701350] warn_alloc_show_mem: 1 callbacks suppressed
[  342.701367] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  342.701369] Mem-Info:
[  342.701400] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  342.701400]  active_file:14 inactive_file:15 isolated_file:0
[  342.701400]  unevictable:0 dirty:0 writeback:0 unstable:0
[  342.701400]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  342.701400]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  342.701400]  free:13731 free_pcp:182 free_cma:0
[  342.706758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.713689] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  342.716086] Call Trace:
[  342.749135] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  342.759785]  <IRQ>
[  342.787618] lowmem_reserve[]: 0 2818 6321 6321
[  342.790220]  dump_stack+0x244/0x39d
[  342.816310] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  342.818465]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.823014] lowmem_reserve[]: 0 0 3503 3503
[  342.826642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.854383] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  342.859571]  ? do_raw_spin_lock+0x14f/0x350
[  342.863865] lowmem_reserve[]: 0 0 0 0
[  342.869403]  nmi_cpu_backtrace.cold.1+0x5c/0xa1
[  342.898359] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  342.902711]  ? lapic_can_unplug_cpu.cold.26+0x3f/0x3f
[  342.906478] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  342.911147]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  342.924643] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  342.929835]  arch_trigger_cpumask_backtrace+0x14/0x20
[  342.944985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  342.950273]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  342.965644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  342.970848]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  342.979649] 2704 total pagecache pages
[  342.984055]  ? print_other_cpu_stall+0x160/0x160
[  342.992619] 0 pages in swap cache
[  342.997392]  ? print_usage_bug+0xc0/0xc0
[  343.001256] Swap cache stats: add 0, delete 0, find 0/0
[  343.006005]  ? kasan_check_read+0x11/0x20
[  343.009431] Free swap  = 0kB
[  343.013490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.018826] Total swap = 0kB
[  343.022968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.025958] 1965979 pages RAM
[  343.031491]  ? do_trace_rcu_torture_read+0x10/0x10
[  343.034481] 0 pages HighMem/MovableOnly
[  343.040020]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  343.043094] 342858 pages reserved
[  343.048017]  ? __lock_is_held+0xb5/0x140
[  343.051966] 0 pages cma reserved
[  343.057239]  ? __rcu_read_lock+0x50/0x50
[  343.060726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.064715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.064732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.068175] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.072138]  ? check_preemption_disabled+0x48/0x280
[  343.078613] syz-fuzzer cpuset=/ mems_allowed=0
[  343.084146]  rcu_check_callbacks+0xf3b/0x13f0
[  343.113958]  ? rcutree_dead_cpu+0x10/0x10
[  343.118111]  ? lock_downgrade+0x900/0x900
[  343.122264]  ? lock_release+0x990/0xa00
[  343.126256]  ? zap_class+0x640/0x640
[  343.129974]  ? zap_class+0x640/0x640
[  343.133694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.139233]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  343.143822]  ? kvm_set_tsc_khz+0x540/0x540
[  343.148059]  ? warn_alloc.cold.116+0xd1/0x1bd
[  343.152569]  ? find_held_lock+0x36/0x1c0
[  343.156647]  ? zap_class+0x640/0x640
[  343.160368]  ? timekeeping_advance+0x3cc/0xc00
[  343.164959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.170505]  ? check_preemption_disabled+0x48/0x280
[  343.175534]  ? trace_hardirqs_off+0xb8/0x310
[  343.179947]  ? __lock_is_held+0xb5/0x140
[  343.184016]  ? trace_hardirqs_on+0x310/0x310
[  343.188435]  ? check_preemption_disabled+0x48/0x280
[  343.193460]  ? raise_softirq+0x199/0x420
[  343.197524]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  343.202198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.207745]  ? check_preemption_disabled+0x48/0x280
[  343.212771]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.218311]  ? hrtimer_run_queues+0x9a/0x400
[  343.222731]  ? run_local_timers+0x19b/0x230
[  343.227053]  ? timer_clear_idle+0x90/0x90
[  343.231202]  ? debug_smp_processor_id+0x1c/0x20
[  343.235875]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  343.241858]  ? account_process_tick+0x282/0x350
[  343.246536]  update_process_times+0x2d/0x70
[  343.250863]  tick_sched_handle+0x9f/0x180
[  343.255017]  tick_sched_timer+0x45/0x130
[  343.259084]  __hrtimer_run_queues+0x41c/0x10d0
[  343.263678]  ? tick_sched_do_timer+0x1a0/0x1a0
[  343.268268]  ? hrtimer_start_range_ns+0xe00/0xe00
[  343.273125]  ? pvclock_read_flags+0x160/0x160
[  343.277631]  ? trace_hardirqs_on+0x310/0x310
[  343.282042]  ? zap_class+0x640/0x640
[  343.285771]  ? kvm_clock_read+0x18/0x30
[  343.289750]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  343.294773]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  343.300145]  ? do_timer+0x50/0x50
[  343.303608]  ? rwlock_bug.part.2+0x90/0x90
[  343.307848]  ? trace_hardirqs_on+0x310/0x310
[  343.312261]  ? rcu_softirq_qs+0x20/0x20
[  343.316249]  hrtimer_interrupt+0x313/0x780
[  343.320508]  smp_apic_timer_interrupt+0x1a1/0x760
[  343.325366]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.331255]  ? interrupt_entry+0xb5/0xc0
[  343.335326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.340348]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.345024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.349870]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.354904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.359761]  apic_timer_interrupt+0xf/0x20
[  343.364004] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  343.369375] Code: 3f 7e 0f 85 32 ff ff ff e8 65 5d 3e ff e9 28 ff ff ff e8 9c 6c c3 ff 48 83 3d d4 db 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 14
[  343.388298] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  343.396017] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10037e235d9
[  343.403381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  343.410661] RBP: ffff8801daf074c0 R08: ffff8801bf11aec8 R09: 0000000000000002
[  343.417935] R10: 0000000000000000 R11: ffff8801bf11a600 R12: ffff8801d9bcc600
[  343.425216] R13: ffff8801d9bcc600 R14: 0000000000000000 R15: 0000000000000286
[  343.432505]  ? apic_timer_interrupt+0xa/0x20
[  343.436942]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.441193]  __alloc_skb+0x119/0x770
[  343.444914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.450202]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.454623]  ? lock_downgrade+0x900/0x900
[  343.458784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.464327]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.469789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.475243]  ? addrconf_rs_timer+0x690/0x690
[  343.479663]  ndisc_alloc_skb+0x144/0x340
[  343.483732]  ndisc_send_rs+0x331/0x6e0
[  343.487633]  addrconf_rs_timer+0x314/0x690
[  343.491967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.496214]  call_timer_fn+0x272/0x920
[  343.500102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.504337]  ? process_timeout+0x40/0x40
[  343.508413]  ? __run_timers+0x7da/0xc70
[  343.512401]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.516901]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.521398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.525637]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.530223]  ? trace_hardirqs_on+0xbd/0x310
[  343.534546]  ? kasan_check_read+0x11/0x20
[  343.538694]  ? __run_timers+0x7da/0xc70
[  343.542677]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.547790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.552036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.556278]  __run_timers+0x7e5/0xc70
[  343.560092]  ? timer_fixup_init+0x70/0x70
[  343.564246]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.569265]  ? zap_class+0x640/0x640
[  343.572989]  ? enqueue_hrtimer+0x1a5/0x560
[  343.577229]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  343.582432]  ? find_held_lock+0x36/0x1c0
[  343.586499]  ? zap_class+0x640/0x640
[  343.590219]  ? pvclock_read_flags+0x160/0x160
[  343.594720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.600261]  ? check_preemption_disabled+0x48/0x280
[  343.605293]  ? __lock_is_held+0xb5/0x140
[  343.609357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.614903]  ? check_preemption_disabled+0x48/0x280
[  343.619928]  run_timer_softirq+0x52/0xb0
[  343.623991]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.629012]  __do_softirq+0x308/0xb7e
[  343.632817]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.637470]  ? lock_downgrade+0x900/0x900
[  343.641635]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.646752]  ? pvclock_read_flags+0x160/0x160
[  343.651256]  ? lapic_next_event+0x5a/0x90
[  343.655454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.660998]  ? kvm_clock_read+0x18/0x30
[  343.664975]  ? kvm_sched_clock_read+0x9/0x20
[  343.669394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.674936]  ? check_preemption_disabled+0x48/0x280
[  343.679967]  irq_exit+0x17f/0x1c0
[  343.683426]  smp_apic_timer_interrupt+0x1cb/0x760
[  343.688268]  ? smp_reschedule_interrupt+0x109/0x650
[  343.693291]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.699182]  ? interrupt_entry+0xb5/0xc0
[  343.703249]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.708265]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.713284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.718130]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.723146]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.728168]  ? task_prio+0x50/0x50
[  343.731714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.737254]  ? check_preemption_disabled+0x48/0x280
[  343.742278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.747136]  apic_timer_interrupt+0xf/0x20
[  343.751375]  </IRQ>
[  343.753628] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  343.758561] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  343.777981] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  343.785697] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  343.792965] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  343.800240] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  343.807509] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  343.814777] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  343.822093]  skb_clone+0x1bb/0x500
[  343.825640]  ? finish_task_switch+0x1b4/0x910
[  343.830137]  ? skb_split+0x11e0/0x11e0
[  343.834034]  ? preempt_notifier_register+0x200/0x200
[  343.839141]  ? __switch_to_asm+0x34/0x70
[  343.843204]  ? __switch_to_asm+0x34/0x70
[  343.847269]  ? __switch_to_asm+0x40/0x70
[  343.851605]  ? __switch_to_asm+0x34/0x70
[  343.855670]  ? __switch_to_asm+0x40/0x70
[  343.859737]  ? __switch_to_asm+0x34/0x70
[  343.863797]  ? __switch_to_asm+0x40/0x70
[  343.867859]  ? __switch_to_asm+0x34/0x70
[  343.871925]  ? __switch_to_asm+0x34/0x70
[  343.875986]  ? __switch_to_asm+0x40/0x70
[  343.880049]  ? __switch_to_asm+0x34/0x70
[  343.884125]  bpf_clone_redirect+0xb9/0x490
[  343.888373]  ? __schedule+0x8d7/0x21d0
[  343.892276]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  343.897302]  ? __sched_text_start+0x8/0x8
[  343.901457]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.906234]  ? find_held_lock+0x36/0x1c0
[  343.910307]  ? lock_acquire+0x1ed/0x520
[  343.914282]  ? bpf_test_run+0x3cb/0x780
[  343.918268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.923813]  ? check_preemption_disabled+0x48/0x280
[  343.928847]  ? kasan_check_read+0x11/0x20
[  343.932999]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.938281]  ? rcu_softirq_qs+0x20/0x20
[  343.942257]  ? preempt_schedule+0x4d/0x60
[  343.946407]  ? ___preempt_schedule+0x16/0x18
[  343.950826]  ? bpf_test_run+0x25d/0x780
[  343.954818]  ? netlink_diag_dump+0x2a0/0x2a0
[  343.959240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.964789]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  343.969555]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.974399]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.979939]  ? fput+0x130/0x1a0
[  343.983496]  ? __bpf_prog_get+0x9b/0x290
[  343.987564]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.992413]  ? bpf_prog_test_run+0x130/0x1a0
[  343.996832]  ? __x64_sys_bpf+0x3d8/0x520
[  344.000897]  ? bpf_prog_get+0x20/0x20
[  344.004720]  ? do_syscall_64+0x1b9/0x820
[  344.008790]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.014161]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.019094]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.024116]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.029137]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  344.035820]  ? __switch_to_asm+0x40/0x70
[  344.039883]  ? __switch_to_asm+0x34/0x70
[  344.043976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.048830]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.054214] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  344.054570] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.060801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.060806] Call Trace:
[  344.060812]  <IRQ>
[  344.060829]  dump_stack+0x244/0x39d
[  344.060849]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.067430] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.076694]  warn_alloc.cold.116+0xb7/0x1bd
[  344.079246] syz-executor1 cpuset=syz1 mems_allowed=0
[  344.081395]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.114887]  ? lock_downgrade+0x900/0x900
[  344.119049]  ? trace_hardirqs_off+0xb8/0x310
[  344.123468]  ? trace_hardirqs_off+0xb8/0x310
[  344.127893]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.132771]  ? warn_alloc+0x120/0x120
[  344.136579]  ? print_usage_bug+0xc0/0xc0
[  344.140649]  ? warn_alloc+0x120/0x120
[  344.144457]  ? warn_alloc+0x120/0x120
[  344.148265]  ? print_usage_bug+0xc0/0xc0
[  344.152328]  ? kvm_clock_read+0x18/0x30
[  344.156305]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  344.161332]  ? print_usage_bug+0xc0/0xc0
[  344.165398]  ? __lock_acquire+0x62f/0x4c20
[  344.169643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.175183]  ? should_fail+0x22d/0xd01
[  344.179074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.184358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.189463]  ? __lock_acquire+0x62f/0x4c20
[  344.193706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.198809]  ? __lock_acquire+0x62f/0x4c20
[  344.203042]  ? should_fail+0x22d/0xd01
[  344.206929]  ? rcu_irq_exit+0x1a2/0x390
[  344.210919]  ? mark_held_locks+0x130/0x130
[  344.215165]  ? mark_held_locks+0x130/0x130
[  344.219407]  ? mark_held_locks+0xc7/0x130
[  344.223562]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  344.228579]  ? zap_class+0x640/0x640
[  344.232302]  ? print_usage_bug+0xc0/0xc0
[  344.236370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.241912]  ? check_preemption_disabled+0x48/0x280
[  344.246940]  ? __lock_is_held+0xb5/0x140
[  344.251012]  __alloc_pages_nodemask+0xa80/0xde0
[  344.255683]  ? zap_class+0x640/0x640
[  344.259404]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.264434]  ? find_held_lock+0x36/0x1c0
[  344.268522]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.273212]  ? lock_downgrade+0x900/0x900
[  344.277375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.282920]  cache_grow_begin+0xa5/0x8c0
[  344.286983]  ? do_raw_spin_unlock+0xa7/0x330
[  344.291404]  fallback_alloc+0x204/0x2e0
[  344.295390]  ____cache_alloc_node+0x1c7/0x1e0
[  344.299903]  kmem_cache_alloc_node+0xe3/0x730
[  344.304399]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.308647]  __alloc_skb+0x119/0x770
[  344.312364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.317649]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.322060]  ? lock_downgrade+0x900/0x900
[  344.326219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.331760]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.337214]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.342665]  ? addrconf_rs_timer+0x690/0x690
[  344.347095]  ndisc_alloc_skb+0x144/0x340
[  344.351166]  ndisc_send_rs+0x331/0x6e0
[  344.355063]  addrconf_rs_timer+0x314/0x690
[  344.359304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.363550]  call_timer_fn+0x272/0x920
[  344.367442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.371679]  ? process_timeout+0x40/0x40
[  344.375753]  ? mark_held_locks+0xc7/0x130
[  344.379915]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.384412]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.388913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.393158]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.397743]  ? trace_hardirqs_on+0xbd/0x310
[  344.402067]  ? kasan_check_read+0x11/0x20
[  344.406214]  ? __run_timers+0x7da/0xc70
[  344.410193]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.415318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.419562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.423798]  __run_timers+0x7e5/0xc70
[  344.427622]  ? timer_fixup_init+0x70/0x70
[  344.431775]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.436795]  ? zap_class+0x640/0x640
[  344.440515]  ? print_usage_bug+0xc0/0xc0
[  344.444581]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.449790]  ? find_held_lock+0x36/0x1c0
[  344.453858]  ? zap_class+0x640/0x640
[  344.457586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.463135]  ? check_preemption_disabled+0x48/0x280
[  344.468168]  ? __lock_is_held+0xb5/0x140
[  344.472236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.477781]  ? check_preemption_disabled+0x48/0x280
[  344.482807]  run_timer_softirq+0x52/0xb0
[  344.486909]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.491930]  __do_softirq+0x308/0xb7e
[  344.495741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.500243]  ? lock_downgrade+0x900/0x900
[  344.504402]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.509518]  ? pvclock_read_flags+0x160/0x160
[  344.514022]  ? lapic_next_event+0x5a/0x90
[  344.518175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.523724]  ? kvm_clock_read+0x18/0x30
[  344.527706]  ? kvm_sched_clock_read+0x9/0x20
[  344.532124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.537669]  ? check_preemption_disabled+0x48/0x280
[  344.542698]  irq_exit+0x17f/0x1c0
[  344.546158]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.551007]  ? smp_reschedule_interrupt+0x109/0x650
[  344.556033]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.561923]  ? interrupt_entry+0xb5/0xc0
[  344.565988]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.571005]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.576024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.580877]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.585899]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.590916]  ? task_prio+0x50/0x50
[  344.594464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.600008]  ? check_preemption_disabled+0x48/0x280
[  344.605032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.609895]  apic_timer_interrupt+0xf/0x20
[  344.614123]  </IRQ>
[  344.616396] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  344.622547] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  344.641450] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  344.649165] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  344.656439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  344.663711] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  344.670985] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  344.678254] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  344.685546]  ? unlock_page+0x25d/0x4c0
[  344.689445]  unlock_page+0x25d/0x4c0
[  344.693164]  ? wake_up_page_bit+0x6f0/0x6f0
[  344.697493]  ? shrink_page_list+0x7e68/0xccd0
[  344.701989]  ? shrink_page_list+0x7e68/0xccd0
[  344.706488]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.711079]  ? shrink_inactive_list+0x77b/0x1c60
[  344.715843]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.720955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.726495]  ? check_preemption_disabled+0x48/0x280
[  344.731513]  ? shrink_page_list+0x145c/0xccd0
[  344.736021]  shrink_page_list+0x3714/0xccd0
[  344.740373]  ? page_evictable+0x540/0x540
[  344.744705]  ? rb_erase_cached+0xc78/0x3720
[  344.749031]  ? rb_erase_cached+0xc78/0x3720
[  344.753360]  ? rb_next+0x140/0x140
[  344.756911]  ? rb_next+0x140/0x140
[  344.760461]  ? rb_next+0x140/0x140
[  344.764080]  ? zap_class+0x640/0x640
[  344.767801]  ? zap_class+0x640/0x640
[  344.771514]  ? zap_class+0x640/0x640
[  344.775228]  ? zap_class+0x640/0x640
[  344.778947]  ? __update_load_avg_se+0x5eb/0xae0
[  344.783627]  ? __update_load_avg_blocked_se+0x690/0x690
[  344.788998]  ? __update_load_avg_se+0xae0/0xae0
[  344.793669]  ? zap_class+0x640/0x640
[  344.797481]  ? update_load_avg+0x387/0x2470
[  344.801813]  ? attach_entity_load_avg+0x860/0x860
[  344.806665]  ? update_load_avg+0x387/0x2470
[  344.810996]  ? attach_entity_load_avg+0x860/0x860
[  344.815849]  ? attach_entity_load_avg+0x860/0x860
[  344.820707]  ? attach_entity_load_avg+0x860/0x860
[  344.825554]  ? rb_erase+0x3710/0x3710
[  344.829360]  ? rb_erase+0x3710/0x3710
[  344.833159]  ? rb_erase+0x3710/0x3710
[  344.836961]  ? rb_erase+0x3710/0x3710
[  344.840771]  ? rb_erase+0x3710/0x3710
[  344.844581]  ? __lock_acquire+0x62f/0x4c20
[  344.848838]  ? zap_class+0x640/0x640
[  344.852558]  ? print_usage_bug+0xc0/0xc0
[  344.856628]  ? zap_class+0x640/0x640
[  344.860344]  ? zap_class+0x640/0x640
[  344.864065]  ? print_usage_bug+0xc0/0xc0
[  344.868132]  ? print_usage_bug+0xc0/0xc0
[  344.872196]  ? zap_class+0x640/0x640
[  344.875916]  ? __lock_is_held+0xb5/0x140
[  344.879992]  ? print_usage_bug+0xc0/0xc0
[  344.884065]  ? __lock_acquire+0x62f/0x4c20
[  344.888310]  ? mark_held_locks+0x130/0x130
[  344.892546]  ? print_usage_bug+0xc0/0xc0
[  344.896627]  ? rb_erase_cached+0xc78/0x3720
[  344.900964]  ? rb_next+0x140/0x140
[  344.904508]  ? rb_next+0x140/0x140
[  344.908052]  ? __lock_acquire+0x62f/0x4c20
[  344.912289]  ? __lock_acquire+0x62f/0x4c20
[  344.916523]  ? rcu_note_context_switch+0x12ad/0x2150
[  344.921635]  ? print_usage_bug+0xc0/0xc0
[  344.925717]  ? mark_held_locks+0x130/0x130
[  344.929957]  ? zap_class+0x640/0x640
[  344.933679]  ? print_usage_bug+0xc0/0xc0
[  344.937737]  ? put_dec+0x3b/0xf0
[  344.941127]  ? rb_next+0x140/0x140
[  344.944671]  ? __lock_acquire+0x62f/0x4c20
[  344.948910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.954449]  ? check_preemption_disabled+0x48/0x280
[  344.959484]  ? print_usage_bug+0xc0/0xc0
[  344.963551]  ? rb_erase_cached+0xc78/0x3720
[  344.967885]  ? rb_next+0x140/0x140
[  344.971443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.976982]  ? __isolate_lru_page+0xd05/0x1540
[  344.981578]  ? print_usage_bug+0xc0/0xc0
[  344.985834]  ? mark_held_locks+0x130/0x130
[  344.990078]  ? zap_class+0x640/0x640
[  344.993798]  ? update_load_avg+0x13b8/0x2470
[  344.998217]  ? print_usage_bug+0xc0/0xc0
[  345.002287]  ? zap_class+0x640/0x640
[  345.006002]  ? __lock_acquire+0x62f/0x4c20
[  345.010241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.015782]  ? check_preemption_disabled+0x48/0x280
[  345.020808]  ? __update_load_avg_blocked_se+0x690/0x690
[  345.026182]  ? __update_load_avg_se+0xae0/0xae0
[  345.030851]  ? zap_class+0x640/0x640
[  345.034587]  ? update_load_avg+0x387/0x2470
[  345.038944]  ? attach_entity_load_avg+0x860/0x860
[  345.043797]  ? update_load_avg+0x387/0x2470
[  345.048129]  ? attach_entity_load_avg+0x860/0x860
[  345.052975]  ? attach_entity_load_avg+0x860/0x860
[  345.057828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.063372]  ? __isolate_lru_page+0xd05/0x1540
[  345.067962]  ? putback_lru_page+0x280/0x280
[  345.072287]  ? rb_erase+0x3710/0x3710
[  345.076098]  ? mark_held_locks+0x130/0x130
[  345.080340]  ? cpuacct_charge+0x265/0x440
[  345.084497]  ? find_held_lock+0x36/0x1c0
[  345.088587]  ? zap_class+0x640/0x640
[  345.092315]  ? print_usage_bug+0xc0/0xc0
[  345.096376]  ? zap_class+0x640/0x640
[  345.100095]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.105029]  ? kasan_check_read+0x11/0x20
[  345.109176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.114458]  ? zap_class+0x640/0x640
[  345.118172]  ? __lock_is_held+0xb5/0x140
[  345.122240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.127780]  ? check_preemption_disabled+0x48/0x280
[  345.132811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.138350]  ? check_preemption_disabled+0x48/0x280
[  345.143364]  ? __lock_is_held+0xb5/0x140
[  345.147431]  ? __this_cpu_preempt_check+0x1c/0x20
[  345.152321]  ? __mod_zone_page_state+0x8a/0xf0
[  345.156914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.162454]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  345.167669]  ? __isolate_lru_page+0x1540/0x1540
[  345.172358]  ? zap_class+0x640/0x640
[  345.176077]  ? print_usage_bug+0xc0/0xc0
[  345.180144]  ? __account_cfs_rq_runtime+0x790/0x790
[  345.185167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.190715]  ? find_held_lock+0x36/0x1c0
[  345.194783]  ? zap_class+0x640/0x640
[  345.198502]  ? print_usage_bug+0xc0/0xc0
[  345.202564]  ? mark_held_locks+0xc7/0x130
[  345.206724]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.211229]  ? zap_class+0x640/0x640
[  345.214950]  ? print_usage_bug+0xc0/0xc0
[  345.219016]  ? mark_held_locks+0xc7/0x130
[  345.223176]  ? find_held_lock+0x36/0x1c0
[  345.227247]  ? mark_held_locks+0xc7/0x130
[  345.231397]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.235961]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.240494]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.245082]  ? trace_hardirqs_on+0xbd/0x310
[  345.249410]  ? kasan_check_read+0x11/0x20
[  345.253564]  ? shrink_inactive_list+0x741/0x1c60
[  345.258328]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.263432]  ? trace_hardirqs_on+0x310/0x310
[  345.267843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.273392]  ? check_preemption_disabled+0x48/0x280
[  345.278419]  shrink_inactive_list+0x77b/0x1c60
[  345.283015]  ? putback_inactive_pages+0x27e0/0x27e0
[  345.288037]  ? kasan_check_read+0x11/0x20
[  345.292187]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  345.297463]  ? __rcu_read_unlock+0x2d6/0x2e0
[  345.301878]  ? blk_lld_busy+0x70/0x70
[  345.305689]  ? kasan_check_read+0x11/0x20
[  345.309851]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  345.314798]  shrink_node_memcg+0x78b/0x18f0
[  345.319143]  ? shrink_active_list+0x1f00/0x1f00
[  345.323820]  ? lock_downgrade+0x900/0x900
[  345.327969]  ? check_flush_dependency+0x410/0x410
[  345.332822]  ? kasan_check_read+0x11/0x20
[  345.336970]  ? do_raw_spin_unlock+0xa7/0x330
[  345.341389]  ? ___preempt_schedule+0x16/0x18
[  345.345809]  ? _raw_spin_unlock+0x3f/0x50
[  345.349969]  shrink_node+0x3bc/0x16b0
[  345.353775]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  345.359079]  ? shrink_node_memcg+0x18f0/0x18f0
[  345.363682]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.368270]  ? trace_hardirqs_on+0xbd/0x310
[  345.372593]  ? vmpressure+0x271/0x340
[  345.376407]  ? do_raw_spin_trylock+0x270/0x270
[  345.380998]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.386538]  ? __cpuset_node_allowed+0x19b/0x660
[  345.391298]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  345.397015]  ? vmpressure+0x1a2/0x340
[  345.400828]  do_try_to_free_pages+0x3e7/0x1290
[  345.405416]  ? zap_class+0x640/0x640
[  345.409152]  ? shrink_node+0x16b0/0x16b0
[  345.413221]  ? __lock_is_held+0xb5/0x140
[  345.417296]  try_to_free_pages+0x4d0/0xb90
[  345.421535]  ? do_try_to_free_pages+0x1290/0x1290
[  345.426396]  ? lock_acquire+0x1ed/0x520
[  345.430371]  ? set_page_refcounted+0x280/0x280
[  345.434982]  ? lock_release+0xa00/0xa00
[  345.438966]  ? _raw_spin_unlock_irq+0x60/0x80
[  345.443463]  ? psi_memstall_enter+0x240/0x2b0
[  345.447968]  ? psi_memstall_tick+0x230/0x230
[  345.452394]  __alloc_pages_slowpath+0xa14/0x2e10
[  345.457187]  ? warn_alloc+0x120/0x120
[  345.460986]  ? mark_held_locks+0x130/0x130
[  345.465231]  ? find_get_entry+0xaae/0x1120
[  345.469480]  ? filemap_map_pages+0x1a20/0x1a20
[  345.474072]  ? zap_class+0x640/0x640
[  345.477797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.483351]  ? check_preemption_disabled+0x48/0x280
[  345.488382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.493921]  ? should_fail+0x22d/0xd01
[  345.497816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.502926]  ? zap_class+0x640/0x640
[  345.506668]  ? __lock_is_held+0xb5/0x140
[  345.510739]  ? mark_held_locks+0x130/0x130
[  345.514981]  ? lock_release+0xa00/0xa00
[  345.518957]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.524409]  ? xa_load+0x2ba/0x460
[  345.527955]  ? lock_downgrade+0x900/0x900
[  345.532110]  ? __might_sleep+0x95/0x190
[  345.536093]  __alloc_pages_nodemask+0xa80/0xde0
[  345.540777]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.545799]  ? __page_cache_alloc+0x191/0x5c0
[  345.550299]  ? xa_load+0x2e1/0x460
[  345.553847]  ? xa_clear_mark+0x40/0x40
[  345.557748]  ? zap_class+0x640/0x640
[  345.561472]  ? zap_class+0x640/0x640
[  345.565187]  ? zap_class+0x640/0x640
[  345.568903]  ? __do_page_cache_readahead+0x663/0x810
[  345.574013]  ? find_held_lock+0x36/0x1c0
[  345.578083]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  345.583636]  alloc_pages_current+0x173/0x350
[  345.588082]  __page_cache_alloc+0x38c/0x5c0
[  345.592407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.597341]  ? kasan_check_read+0x11/0x20
[  345.601494]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.606782]  ? generic_perform_write+0x6a0/0x6a0
[  345.611540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.617080]  ? check_preemption_disabled+0x48/0x280
[  345.622106]  filemap_fault+0x1595/0x25f0
[  345.626185]  ? __lock_page_or_retry+0xa00/0xa00
[  345.630868]  ? mark_held_locks+0x130/0x130
[  345.635116]  ? filemap_map_pages+0xd6b/0x1a20
[  345.640140]  ? lock_downgrade+0x900/0x900
[  345.644289]  ? check_preemption_disabled+0x48/0x280
[  345.649314]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.654243]  ? kasan_check_read+0x11/0x20
[  345.658397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.663677]  ? rcu_softirq_qs+0x20/0x20
[  345.667666]  ? filemap_map_pages+0xd92/0x1a20
[  345.672177]  ? find_get_entries_tag+0x1400/0x1400
[  345.677026]  ? debug_object_destroy+0x2b0/0x2b0
[  345.681703]  ? lock_pi_update_atomic+0x150/0x150
[  345.686468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.692029]  ? lock_acquire+0x1ed/0x520
[  345.696006]  ? ext4_filemap_fault+0x7a/0xad
[  345.700339]  ? lock_release+0xa00/0xa00
[  345.704317]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.709772]  ? print_usage_bug+0xc0/0xc0
[  345.713841]  ? print_usage_bug+0xc0/0xc0
[  345.717922]  ? down_read+0x8d/0x120
[  345.721551]  ? ext4_filemap_fault+0x7a/0xad
[  345.725882]  ? __down_interruptible+0x700/0x700
[  345.730578]  ext4_filemap_fault+0x82/0xad
[  345.734742]  __do_fault+0x100/0x6b0
[  345.738368]  ? find_held_lock+0x36/0x1c0
[  345.742435]  ? pmd_devmap_trans_unstable+0x220/0x220
[  345.747548]  ? mark_held_locks+0x130/0x130
[  345.751792]  ? mark_held_locks+0x130/0x130
[  345.756029]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.760530]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.765028]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.769755]  ? kasan_check_read+0x11/0x20
[  345.773914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.779459]  __handle_mm_fault+0x3ea6/0x5be0
[  345.783887]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  345.788738]  ? finish_task_switch+0x1f4/0x910
[  345.793240]  ? finish_task_switch+0x1b4/0x910
[  345.797740]  ? __switch_to_asm+0x34/0x70
[  345.801806]  ? preempt_notifier_register+0x200/0x200
[  345.807178]  ? __switch_to_asm+0x34/0x70
[  345.811240]  ? __switch_to_asm+0x34/0x70
[  345.815318]  ? zap_class+0x640/0x640
[  345.819032]  ? zap_class+0x640/0x640
[  345.822749]  ? __x64_sys_futex+0x53e/0x6a0
[  345.826992]  ? find_held_lock+0x36/0x1c0
[  345.831065]  ? handle_mm_fault+0x42a/0xc70
[  345.835308]  ? lock_downgrade+0x900/0x900
[  345.839460]  ? check_preemption_disabled+0x48/0x280
[  345.844486]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.849417]  ? kasan_check_read+0x11/0x20
[  345.853569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.858852]  ? rcu_softirq_qs+0x20/0x20
[  345.862834]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.867945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.873486]  ? check_preemption_disabled+0x48/0x280
[  345.878518]  handle_mm_fault+0x54f/0xc70
[  345.882593]  ? __handle_mm_fault+0x5be0/0x5be0
[  345.887192]  ? find_vma+0x34/0x190
[  345.890741]  __do_page_fault+0x5e8/0xe60
[  345.894808]  ? trace_hardirqs_off+0xb8/0x310
[  345.899231]  do_page_fault+0xf2/0x7e0
[  345.903054]  ? vmalloc_sync_all+0x30/0x30
[  345.907207]  ? error_entry+0x70/0xd0
[  345.910925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.915945]  ? trace_hardirqs_on_caller+0xc0/0x310
[  345.920881]  ? syscall_return_slowpath+0x5e0/0x5e0
[  345.925814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.930663]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.935685]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.941144]  ? prepare_exit_to_usermode+0x291/0x3b0
[  345.946167]  ? page_fault+0x8/0x30
[  345.949711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.954559]  ? page_fault+0x8/0x30
[  345.958105]  page_fault+0x1e/0x30
[  345.961559] RIP: 0033:0x40f9c0
[  345.964763] Code: Bad RIP value.
[  345.968129] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  345.973494] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  345.980761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  345.988030] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  345.995303] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  346.002568] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  346.009872] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  346.009874] Mem-Info:
[  346.009906] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  346.009906]  active_file:14 inactive_file:15 isolated_file:0
[  346.009906]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.009906]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  346.009906]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  346.009906]  free:13731 free_pcp:182 free_cma:0
[  346.016811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.019254] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.052389] Call Trace:
[  346.061736] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  346.089574]  <IRQ>
[  346.092169] lowmem_reserve[]: 0 2818 6321 6321
[  346.118277]  dump_stack+0x244/0x39d
[  346.120400] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  346.124974]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.128573] lowmem_reserve[]: 0 0 3503 3503
[  346.156356]  warn_alloc.cold.116+0xb7/0x1bd
[  346.161523] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  346.165852]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.170151] lowmem_reserve[]: 0 0 0 0
[  346.199157]  ? lock_downgrade+0x900/0x900
[  346.203976] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  346.207782]  ? trace_hardirqs_off+0xb8/0x310
[  346.211896] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  346.225433]  ? trace_hardirqs_off+0xb8/0x310
[  346.229819] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  346.245005]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.249391] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.264752]  ? warn_alloc+0x120/0x120
[  346.269552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.278384]  ? print_usage_bug+0xc0/0xc0
[  346.282153] 2704 total pagecache pages
[  346.290727]  ? warn_alloc+0x120/0x120
[  346.294774] 0 pages in swap cache
[  346.298655]  ? warn_alloc+0x120/0x120
[  346.302434] Swap cache stats: add 0, delete 0, find 0/0
[  346.305884]  ? print_usage_bug+0xc0/0xc0
[  346.309657] Free swap  = 0kB
[  346.315019]  ? kvm_clock_read+0x18/0x30
[  346.319057] Total swap = 0kB
[  346.322076]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  346.326020] 1965979 pages RAM
[  346.329036]  ? print_usage_bug+0xc0/0xc0
[  346.334023] 0 pages HighMem/MovableOnly
[  346.334032] 342858 pages reserved
[  346.337135]  ? __lock_acquire+0x62f/0x4c20
[  346.341172] 0 pages cma reserved
[  346.345146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.348646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.352807]  ? should_fail+0x22d/0xd01
[  346.356240] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.361687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.368155] syz-fuzzer cpuset=/ mems_allowed=0
[  346.372040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.397180]  ? __lock_acquire+0x62f/0x4c20
[  346.401428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.406532]  ? __lock_acquire+0x62f/0x4c20
[  346.410767]  ? should_fail+0x22d/0xd01
[  346.414652]  ? rcu_irq_exit+0x1a2/0x390
[  346.418649]  ? mark_held_locks+0x130/0x130
[  346.422895]  ? mark_held_locks+0x130/0x130
[  346.427137]  ? mark_held_locks+0xc7/0x130
[  346.431300]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  346.436331]  ? zap_class+0x640/0x640
[  346.440082]  ? print_usage_bug+0xc0/0xc0
[  346.444151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.449692]  ? check_preemption_disabled+0x48/0x280
[  346.454720]  ? __lock_is_held+0xb5/0x140
[  346.458792]  __alloc_pages_nodemask+0xa80/0xde0
[  346.463462]  ? zap_class+0x640/0x640
[  346.467184]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.472213]  ? find_held_lock+0x36/0x1c0
[  346.476284]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.480957]  ? lock_downgrade+0x900/0x900
[  346.485114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.490663]  cache_grow_begin+0xa5/0x8c0
[  346.494730]  ? do_raw_spin_unlock+0xa7/0x330
[  346.499152]  fallback_alloc+0x204/0x2e0
[  346.503138]  ____cache_alloc_node+0x1c7/0x1e0
[  346.507646]  kmem_cache_alloc_node+0xe3/0x730
[  346.512153]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.516407]  __alloc_skb+0x119/0x770
[  346.520124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.525410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.529826]  ? lock_downgrade+0x900/0x900
[  346.533984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.539526]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.544986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.550441]  ? addrconf_rs_timer+0x690/0x690
[  346.554864]  ndisc_alloc_skb+0x144/0x340
[  346.558935]  ndisc_send_rs+0x331/0x6e0
[  346.562827]  addrconf_rs_timer+0x314/0x690
[  346.567086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.571338]  call_timer_fn+0x272/0x920
[  346.575231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.579467]  ? process_timeout+0x40/0x40
[  346.583536]  ? __run_timers+0x7da/0xc70
[  346.587531]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.592027]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.596521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.600759]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.605345]  ? trace_hardirqs_on+0xbd/0x310
[  346.609678]  ? kasan_check_read+0x11/0x20
[  346.613826]  ? __run_timers+0x7da/0xc70
[  346.617809]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.622920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.627161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.631394]  __run_timers+0x7e5/0xc70
[  346.635205]  ? timer_fixup_init+0x70/0x70
[  346.639365]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  346.644391]  ? zap_class+0x640/0x640
[  346.648114]  ? enqueue_hrtimer+0x1a5/0x560
[  346.652421]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  346.657627]  ? find_held_lock+0x36/0x1c0
[  346.661696]  ? zap_class+0x640/0x640
[  346.665415]  ? pvclock_read_flags+0x160/0x160
[  346.669909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.675481]  ? check_preemption_disabled+0x48/0x280
[  346.680512]  ? __lock_is_held+0xb5/0x140
[  346.684581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.690130]  ? check_preemption_disabled+0x48/0x280
[  346.695153]  run_timer_softirq+0x52/0xb0
[  346.699216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.704232]  __do_softirq+0x308/0xb7e
[  346.708043]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  346.712539]  ? lock_downgrade+0x900/0x900
[  346.716690]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.721805]  ? pvclock_read_flags+0x160/0x160
[  346.726306]  ? lapic_next_event+0x5a/0x90
[  346.730462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.736011]  ? kvm_clock_read+0x18/0x30
[  346.739985]  ? kvm_sched_clock_read+0x9/0x20
[  346.744398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.749940]  ? check_preemption_disabled+0x48/0x280
[  346.754973]  irq_exit+0x17f/0x1c0
[  346.758437]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.763282]  ? smp_reschedule_interrupt+0x109/0x650
[  346.768308]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.774277]  ? interrupt_entry+0xb5/0xc0
[  346.778344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.783374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.788399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.793254]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.798276]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.803297]  ? task_prio+0x50/0x50
[  346.806845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.812393]  ? check_preemption_disabled+0x48/0x280
[  346.817418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.822274]  apic_timer_interrupt+0xf/0x20
[  346.826504]  </IRQ>
[  346.828749] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  346.833683] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  346.852607] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  346.860322] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  346.867597] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  346.874875] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  346.882147] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  346.889421] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  346.896737]  skb_clone+0x1bb/0x500
[  346.900284]  ? finish_task_switch+0x1b4/0x910
[  346.904784]  ? skb_split+0x11e0/0x11e0
[  346.908678]  ? preempt_notifier_register+0x200/0x200
[  346.913787]  ? __switch_to_asm+0x34/0x70
[  346.917853]  ? __switch_to_asm+0x34/0x70
[  346.921916]  ? __switch_to_asm+0x40/0x70
[  346.925982]  ? __switch_to_asm+0x34/0x70
[  346.930043]  ? __switch_to_asm+0x40/0x70
[  346.934106]  ? __switch_to_asm+0x34/0x70
[  346.938166]  ? __switch_to_asm+0x40/0x70
[  346.942228]  ? __switch_to_asm+0x34/0x70
[  346.946292]  ? __switch_to_asm+0x34/0x70
[  346.950353]  ? __switch_to_asm+0x40/0x70
[  346.954421]  ? __switch_to_asm+0x34/0x70
[  346.958494]  bpf_clone_redirect+0xb9/0x490
[  346.962738]  ? __schedule+0x8d7/0x21d0
[  346.966645]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  346.971668]  ? __sched_text_start+0x8/0x8
[  346.975822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  346.980617]  ? find_held_lock+0x36/0x1c0
[  346.984693]  ? lock_acquire+0x1ed/0x520
[  346.988673]  ? bpf_test_run+0x3cb/0x780
[  346.992659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.998207]  ? check_preemption_disabled+0x48/0x280
[  347.003237]  ? kasan_check_read+0x11/0x20
[  347.007399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.012679]  ? rcu_softirq_qs+0x20/0x20
[  347.016663]  ? preempt_schedule+0x4d/0x60
[  347.020814]  ? ___preempt_schedule+0x16/0x18
[  347.025233]  ? bpf_test_run+0x25d/0x780
[  347.029222]  ? netlink_diag_dump+0x2a0/0x2a0
[  347.033643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.039196]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  347.043970]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  347.048816]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  347.054364]  ? fput+0x130/0x1a0
[  347.057648]  ? __bpf_prog_get+0x9b/0x290
[  347.061722]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  347.066567]  ? bpf_prog_test_run+0x130/0x1a0
[  347.070992]  ? __x64_sys_bpf+0x3d8/0x520
[  347.075055]  ? bpf_prog_get+0x20/0x20
[  347.078881]  ? do_syscall_64+0x1b9/0x820
[  347.082951]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  347.088318]  ? syscall_return_slowpath+0x5e0/0x5e0
[  347.093256]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.098279]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  347.103299]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  347.109973]  ? __switch_to_asm+0x40/0x70
[  347.114036]  ? __switch_to_asm+0x34/0x70
[  347.118110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.122964]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  347.128349] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  347.128425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  347.134928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.134938] Call Trace:
[  347.141561] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.150769]  <IRQ>
[  347.153341] syz-executor1 cpuset=syz1 mems_allowed=0
[  347.163832]  dump_stack+0x244/0x39d
[  347.174685]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.179902]  warn_alloc.cold.116+0xb7/0x1bd
[  347.184234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.189088]  ? lock_downgrade+0x900/0x900
[  347.193247]  ? trace_hardirqs_off+0xb8/0x310
[  347.197665]  ? trace_hardirqs_off+0xb8/0x310
[  347.202086]  __alloc_pages_slowpath+0x26e8/0x2e10
[  347.206965]  ? warn_alloc+0x120/0x120
[  347.210780]  ? print_usage_bug+0xc0/0xc0
[  347.214847]  ? warn_alloc+0x120/0x120
[  347.218663]  ? warn_alloc+0x120/0x120
[  347.222475]  ? print_usage_bug+0xc0/0xc0
[  347.226543]  ? kvm_clock_read+0x18/0x30
[  347.230528]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  347.235555]  ? print_usage_bug+0xc0/0xc0
[  347.239634]  ? __lock_acquire+0x62f/0x4c20
[  347.243892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.249440]  ? should_fail+0x22d/0xd01
[  347.253336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.258636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.263754]  ? __lock_acquire+0x62f/0x4c20
[  347.268007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.273122]  ? __lock_acquire+0x62f/0x4c20
[  347.277365]  ? should_fail+0x22d/0xd01
[  347.281257]  ? rcu_irq_exit+0x1a2/0x390
[  347.285249]  ? mark_held_locks+0x130/0x130
[  347.289505]  ? mark_held_locks+0x130/0x130
[  347.293757]  ? mark_held_locks+0xc7/0x130
[  347.297947]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  347.302977]  ? zap_class+0x640/0x640
[  347.306704]  ? print_usage_bug+0xc0/0xc0
[  347.310778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.316329]  ? check_preemption_disabled+0x48/0x280
[  347.321371]  ? __lock_is_held+0xb5/0x140
[  347.325455]  __alloc_pages_nodemask+0xa80/0xde0
[  347.330135]  ? zap_class+0x640/0x640
[  347.333867]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  347.338910]  ? find_held_lock+0x36/0x1c0
[  347.342990]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.347670]  ? lock_downgrade+0x900/0x900
[  347.351835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.357408]  cache_grow_begin+0xa5/0x8c0
[  347.361478]  ? do_raw_spin_unlock+0xa7/0x330
[  347.365907]  fallback_alloc+0x204/0x2e0
[  347.369902]  ____cache_alloc_node+0x1c7/0x1e0
[  347.374409]  kmem_cache_alloc_node+0xe3/0x730
[  347.378909]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.383154]  __alloc_skb+0x119/0x770
[  347.386875]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.392169]  ? netdev_alloc_frag+0x1f0/0x1f0
[  347.396583]  ? lock_downgrade+0x900/0x900
[  347.400757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.406304]  ? refcount_sub_and_test_checked+0x203/0x310
[  347.411770]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  347.417236]  ? addrconf_rs_timer+0x690/0x690
[  347.421672]  ndisc_alloc_skb+0x144/0x340
[  347.425756]  ndisc_send_rs+0x331/0x6e0
[  347.429657]  addrconf_rs_timer+0x314/0x690
[  347.433902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.438150]  call_timer_fn+0x272/0x920
[  347.442039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.446279]  ? process_timeout+0x40/0x40
[  347.450355]  ? mark_held_locks+0xc7/0x130
[  347.454511]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.459013]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.463530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.467773]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.472364]  ? trace_hardirqs_on+0xbd/0x310
[  347.476694]  ? kasan_check_read+0x11/0x20
[  347.480865]  ? __run_timers+0x7da/0xc70
[  347.484845]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.489963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.494209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.498449]  __run_timers+0x7e5/0xc70
[  347.502264]  ? timer_fixup_init+0x70/0x70
[  347.506418]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.511439]  ? zap_class+0x640/0x640
[  347.515164]  ? print_usage_bug+0xc0/0xc0
[  347.519254]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.524459]  ? find_held_lock+0x36/0x1c0
[  347.528533]  ? zap_class+0x640/0x640
[  347.532259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.537809]  ? check_preemption_disabled+0x48/0x280
[  347.542844]  ? __lock_is_held+0xb5/0x140
[  347.546919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.552461]  ? check_preemption_disabled+0x48/0x280
[  347.557486]  run_timer_softirq+0x52/0xb0
[  347.561551]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.566570]  __do_softirq+0x308/0xb7e
[  347.570385]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.574891]  ? lock_downgrade+0x900/0x900
[  347.579045]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.584177]  ? pvclock_read_flags+0x160/0x160
[  347.588683]  ? lapic_next_event+0x5a/0x90
[  347.592837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.598387]  ? kvm_clock_read+0x18/0x30
[  347.602391]  ? kvm_sched_clock_read+0x9/0x20
[  347.606818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.612363]  ? check_preemption_disabled+0x48/0x280
[  347.617392]  irq_exit+0x17f/0x1c0
[  347.620853]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.625704]  ? smp_reschedule_interrupt+0x109/0x650
[  347.630728]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.636854]  ? interrupt_entry+0xb5/0xc0
[  347.640928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.645948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.650968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.655814]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.660832]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.665856]  ? task_prio+0x50/0x50
[  347.669410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.674956]  ? check_preemption_disabled+0x48/0x280
[  347.679983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.684839]  apic_timer_interrupt+0xf/0x20
[  347.689074]  </IRQ>
[  347.691323] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x13/0x20
[  347.697489] Code: 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 <e8> 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
[  347.716396] RSP: 0000:ffff8801d2cf3b70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  347.724108] RAX: dffffc0000000000 RBX: ffffea0006f25580 RCX: ffffffff819c069d
[  347.731377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  347.738650] RBP: ffff8801d2cf3b70 R08: ffff8801be70e6c0 R09: 0000000000000006
[  347.745919] R10: 0000000000000000 R11: ffff8801be70e6c0 R12: 1ffff1003a59e772
[  347.753191] R13: ffffea0006f25580 R14: 0000000000000000 R15: dead000000000100
[  347.760481]  ? unlock_page+0x25d/0x4c0
[  347.764380]  unlock_page+0x25d/0x4c0
[  347.768262]  ? wake_up_page_bit+0x6f0/0x6f0
[  347.772583]  ? shrink_page_list+0x7e68/0xccd0
[  347.777094]  ? shrink_page_list+0x7e68/0xccd0
[  347.781594]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.786210]  ? shrink_inactive_list+0x77b/0x1c60
[  347.790971]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.796078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.801639]  ? check_preemption_disabled+0x48/0x280
[  347.806658]  ? shrink_page_list+0x145c/0xccd0
[  347.811183]  shrink_page_list+0x3714/0xccd0
[  347.815537]  ? page_evictable+0x540/0x540
[  347.819870]  ? rb_erase_cached+0xc78/0x3720
[  347.824199]  ? rb_erase_cached+0xc78/0x3720
[  347.828527]  ? rb_next+0x140/0x140
[  347.832082]  ? rb_next+0x140/0x140
[  347.835636]  ? rb_next+0x140/0x140
[  347.839255]  ? zap_class+0x640/0x640
[  347.842970]  ? zap_class+0x640/0x640
[  347.846705]  ? zap_class+0x640/0x640
[  347.850426]  ? zap_class+0x640/0x640
[  347.854141]  ? __update_load_avg_se+0x5eb/0xae0
[  347.858815]  ? __update_load_avg_blocked_se+0x690/0x690
[  347.864202]  ? __update_load_avg_se+0xae0/0xae0
[  347.868876]  ? zap_class+0x640/0x640
[  347.872610]  ? update_load_avg+0x387/0x2470
[  347.876947]  ? attach_entity_load_avg+0x860/0x860
[  347.881802]  ? update_load_avg+0x387/0x2470
[  347.886135]  ? attach_entity_load_avg+0x860/0x860
[  347.890989]  ? attach_entity_load_avg+0x860/0x860
[  347.895865]  ? attach_entity_load_avg+0x860/0x860
[  347.900723]  ? rb_erase+0x3710/0x3710
[  347.904530]  ? rb_erase+0x3710/0x3710
[  347.908334]  ? rb_erase+0x3710/0x3710
[  347.912139]  ? rb_erase+0x3710/0x3710
[  347.915951]  ? rb_erase+0x3710/0x3710
[  347.919763]  ? __lock_acquire+0x62f/0x4c20
[  347.924012]  ? zap_class+0x640/0x640
[  347.927738]  ? print_usage_bug+0xc0/0xc0
[  347.931804]  ? zap_class+0x640/0x640
[  347.935524]  ? zap_class+0x640/0x640
[  347.939241]  ? print_usage_bug+0xc0/0xc0
[  347.943310]  ? print_usage_bug+0xc0/0xc0
[  347.947378]  ? zap_class+0x640/0x640
[  347.951098]  ? __lock_is_held+0xb5/0x140
[  347.955192]  ? print_usage_bug+0xc0/0xc0
[  347.959265]  ? __lock_acquire+0x62f/0x4c20
[  347.963511]  ? mark_held_locks+0x130/0x130
[  347.967754]  ? print_usage_bug+0xc0/0xc0
[  347.971828]  ? rb_erase_cached+0xc78/0x3720
[  347.976180]  ? rb_next+0x140/0x140
[  347.979728]  ? rb_next+0x140/0x140
[  347.983274]  ? __lock_acquire+0x62f/0x4c20
[  347.987517]  ? __lock_acquire+0x62f/0x4c20
[  347.991755]  ? rcu_note_context_switch+0x12ad/0x2150
[  347.996865]  ? print_usage_bug+0xc0/0xc0
[  348.000944]  ? mark_held_locks+0x130/0x130
[  348.005190]  ? zap_class+0x640/0x640
[  348.008908]  ? print_usage_bug+0xc0/0xc0
[  348.012990]  ? put_dec+0x3b/0xf0
[  348.016379]  ? rb_next+0x140/0x140
[  348.019935]  ? __lock_acquire+0x62f/0x4c20
[  348.024172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.029715]  ? check_preemption_disabled+0x48/0x280
[  348.034763]  ? print_usage_bug+0xc0/0xc0
[  348.038834]  ? rb_erase_cached+0xc78/0x3720
[  348.043177]  ? rb_next+0x140/0x140
[  348.046736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.052297]  ? __isolate_lru_page+0xd05/0x1540
[  348.056903]  ? print_usage_bug+0xc0/0xc0
[  348.060972]  ? mark_held_locks+0x130/0x130
[  348.065208]  ? zap_class+0x640/0x640
[  348.068927]  ? update_load_avg+0x13b8/0x2470
[  348.073349]  ? print_usage_bug+0xc0/0xc0
[  348.077422]  ? zap_class+0x640/0x640
[  348.081141]  ? __lock_acquire+0x62f/0x4c20
[  348.085378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.090923]  ? check_preemption_disabled+0x48/0x280
[  348.095949]  ? __update_load_avg_blocked_se+0x690/0x690
[  348.101321]  ? __update_load_avg_se+0xae0/0xae0
[  348.105990]  ? zap_class+0x640/0x640
[  348.109720]  ? update_load_avg+0x387/0x2470
[  348.114058]  ? attach_entity_load_avg+0x860/0x860
[  348.118914]  ? update_load_avg+0x387/0x2470
[  348.123244]  ? attach_entity_load_avg+0x860/0x860
[  348.128091]  ? attach_entity_load_avg+0x860/0x860
[  348.132948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.138489]  ? __isolate_lru_page+0xd05/0x1540
[  348.143079]  ? putback_lru_page+0x280/0x280
[  348.147405]  ? rb_erase+0x3710/0x3710
[  348.151219]  ? mark_held_locks+0x130/0x130
[  348.155478]  ? cpuacct_charge+0x265/0x440
[  348.159653]  ? find_held_lock+0x36/0x1c0
[  348.163729]  ? zap_class+0x640/0x640
[  348.167447]  ? print_usage_bug+0xc0/0xc0
[  348.171510]  ? zap_class+0x640/0x640
[  348.175229]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.180164]  ? kasan_check_read+0x11/0x20
[  348.184313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.189607]  ? zap_class+0x640/0x640
[  348.193329]  ? __lock_is_held+0xb5/0x140
[  348.197398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.202944]  ? check_preemption_disabled+0x48/0x280
[  348.207974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.213519]  ? check_preemption_disabled+0x48/0x280
[  348.218559]  ? __lock_is_held+0xb5/0x140
[  348.222642]  ? __this_cpu_preempt_check+0x1c/0x20
[  348.227489]  ? __mod_zone_page_state+0x8a/0xf0
[  348.232083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.237644]  ? isolate_lru_pages.isra.58+0xc7d/0x19e0
[  348.242867]  ? __isolate_lru_page+0x1540/0x1540
[  348.247558]  ? zap_class+0x640/0x640
[  348.251281]  ? print_usage_bug+0xc0/0xc0
[  348.255360]  ? __account_cfs_rq_runtime+0x790/0x790
[  348.260389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.265938]  ? find_held_lock+0x36/0x1c0
[  348.270007]  ? zap_class+0x640/0x640
[  348.273726]  ? print_usage_bug+0xc0/0xc0
[  348.277788]  ? mark_held_locks+0xc7/0x130
[  348.281946]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.286454]  ? zap_class+0x640/0x640
[  348.290175]  ? print_usage_bug+0xc0/0xc0
[  348.294243]  ? mark_held_locks+0xc7/0x130
[  348.298400]  ? find_held_lock+0x36/0x1c0
[  348.302473]  ? mark_held_locks+0xc7/0x130
[  348.306637]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.311136]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.315636]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.320227]  ? trace_hardirqs_on+0xbd/0x310
[  348.324550]  ? kasan_check_read+0x11/0x20
[  348.328704]  ? shrink_inactive_list+0x741/0x1c60
[  348.333466]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.338575]  ? trace_hardirqs_on+0x310/0x310
[  348.342994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.348555]  ? check_preemption_disabled+0x48/0x280
[  348.353587]  shrink_inactive_list+0x77b/0x1c60
[  348.358195]  ? putback_inactive_pages+0x27e0/0x27e0
[  348.363236]  ? kasan_check_read+0x11/0x20
[  348.367391]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  348.372679]  ? __rcu_read_unlock+0x2d6/0x2e0
[  348.377097]  ? blk_lld_busy+0x70/0x70
[  348.380905]  ? kasan_check_read+0x11/0x20
[  348.385067]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  348.390011]  shrink_node_memcg+0x78b/0x18f0
[  348.394353]  ? shrink_active_list+0x1f00/0x1f00
[  348.399033]  ? lock_downgrade+0x900/0x900
[  348.403187]  ? check_flush_dependency+0x410/0x410
[  348.408037]  ? kasan_check_read+0x11/0x20
[  348.412191]  ? do_raw_spin_unlock+0xa7/0x330
[  348.416616]  ? ___preempt_schedule+0x16/0x18
[  348.421039]  ? _raw_spin_unlock+0x3f/0x50
[  348.425200]  shrink_node+0x3bc/0x16b0
[  348.429010]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  348.434313]  ? shrink_node_memcg+0x18f0/0x18f0
[  348.438897]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.443483]  ? trace_hardirqs_on+0xbd/0x310
[  348.447809]  ? vmpressure+0x271/0x340
[  348.451625]  ? do_raw_spin_trylock+0x270/0x270
[  348.456218]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.461758]  ? __cpuset_node_allowed+0x19b/0x660
[  348.466522]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  348.472234]  ? vmpressure+0x1a2/0x340
[  348.476047]  do_try_to_free_pages+0x3e7/0x1290
[  348.480633]  ? zap_class+0x640/0x640
[  348.484364]  ? shrink_node+0x16b0/0x16b0
[  348.488429]  ? __lock_is_held+0xb5/0x140
[  348.492510]  try_to_free_pages+0x4d0/0xb90
[  348.496754]  ? do_try_to_free_pages+0x1290/0x1290
[  348.501620]  ? lock_acquire+0x1ed/0x520
[  348.505608]  ? set_page_refcounted+0x280/0x280
[  348.510202]  ? lock_release+0xa00/0xa00
[  348.514185]  ? _raw_spin_unlock_irq+0x60/0x80
[  348.518701]  ? psi_memstall_enter+0x240/0x2b0
[  348.523202]  ? psi_memstall_tick+0x230/0x230
[  348.527634]  __alloc_pages_slowpath+0xa14/0x2e10
[  348.532425]  ? warn_alloc+0x120/0x120
[  348.536229]  ? mark_held_locks+0x130/0x130
[  348.540472]  ? find_get_entry+0xaae/0x1120
[  348.544722]  ? filemap_map_pages+0x1a20/0x1a20
[  348.549311]  ? zap_class+0x640/0x640
[  348.553037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.558579]  ? check_preemption_disabled+0x48/0x280
[  348.563615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.569160]  ? should_fail+0x22d/0xd01
[  348.573054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.578164]  ? zap_class+0x640/0x640
[  348.581910]  ? __lock_is_held+0xb5/0x140
[  348.585984]  ? mark_held_locks+0x130/0x130
[  348.590243]  ? lock_release+0xa00/0xa00
[  348.594224]  ? perf_trace_sched_process_exec+0x860/0x860
[  348.599682]  ? xa_load+0x2ba/0x460
[  348.603230]  ? lock_downgrade+0x900/0x900
[  348.607386]  ? __might_sleep+0x95/0x190
[  348.611375]  __alloc_pages_nodemask+0xa80/0xde0
[  348.616055]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.621078]  ? __page_cache_alloc+0x191/0x5c0
[  348.625575]  ? xa_load+0x2e1/0x460
[  348.629125]  ? xa_clear_mark+0x40/0x40
[  348.633038]  ? zap_class+0x640/0x640
[  348.636765]  ? zap_class+0x640/0x640
[  348.640484]  ? zap_class+0x640/0x640
[  348.644201]  ? __do_page_cache_readahead+0x663/0x810
[  348.649314]  ? find_held_lock+0x36/0x1c0
[  348.653387]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  348.658949]  alloc_pages_current+0x173/0x350
[  348.663372]  __page_cache_alloc+0x38c/0x5c0
[  348.667697]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.672636]  ? kasan_check_read+0x11/0x20
[  348.676791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.682076]  ? generic_perform_write+0x6a0/0x6a0
[  348.686868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.692412]  ? check_preemption_disabled+0x48/0x280
[  348.697443]  filemap_fault+0x1595/0x25f0
[  348.701547]  ? __lock_page_or_retry+0xa00/0xa00
[  348.706222]  ? mark_held_locks+0x130/0x130
[  348.710469]  ? filemap_map_pages+0xd6b/0x1a20
[  348.714970]  ? lock_downgrade+0x900/0x900
[  348.719121]  ? check_preemption_disabled+0x48/0x280
[  348.724161]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.729094]  ? kasan_check_read+0x11/0x20
[  348.733250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.738531]  ? rcu_softirq_qs+0x20/0x20
[  348.742524]  ? filemap_map_pages+0xd92/0x1a20
[  348.747038]  ? find_get_entries_tag+0x1400/0x1400
[  348.751895]  ? debug_object_destroy+0x2b0/0x2b0
[  348.756570]  ? lock_pi_update_atomic+0x150/0x150
[  348.761338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.766899]  ? lock_acquire+0x1ed/0x520
[  348.770883]  ? ext4_filemap_fault+0x7a/0xad
[  348.775220]  ? lock_release+0xa00/0xa00
[  348.779198]  ? perf_trace_sched_process_exec+0x860/0x860
[  348.784671]  ? print_usage_bug+0xc0/0xc0
[  348.788737]  ? print_usage_bug+0xc0/0xc0
[  348.792811]  ? down_read+0x8d/0x120
[  348.796620]  ? ext4_filemap_fault+0x7a/0xad
[  348.800953]  ? __down_interruptible+0x700/0x700
[  348.805646]  ext4_filemap_fault+0x82/0xad
[  348.809801]  __do_fault+0x100/0x6b0
[  348.813434]  ? find_held_lock+0x36/0x1c0
[  348.817503]  ? pmd_devmap_trans_unstable+0x220/0x220
[  348.822631]  ? mark_held_locks+0x130/0x130
[  348.826881]  ? mark_held_locks+0x130/0x130
[  348.831121]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.835624]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.840125]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.844719]  ? kasan_check_read+0x11/0x20
[  348.848885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.854435]  __handle_mm_fault+0x3ea6/0x5be0
[  348.858858]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  348.863712]  ? finish_task_switch+0x1f4/0x910
[  348.868208]  ? finish_task_switch+0x1b4/0x910
[  348.872711]  ? __switch_to_asm+0x34/0x70
[  348.876783]  ? preempt_notifier_register+0x200/0x200
[  348.881891]  ? __switch_to_asm+0x34/0x70
[  348.885956]  ? __switch_to_asm+0x34/0x70
[  348.890034]  ? zap_class+0x640/0x640
[  348.893758]  ? zap_class+0x640/0x640
[  348.897477]  ? __x64_sys_futex+0x53e/0x6a0
[  348.901723]  ? find_held_lock+0x36/0x1c0
[  348.905800]  ? handle_mm_fault+0x42a/0xc70
[  348.910042]  ? lock_downgrade+0x900/0x900
[  348.914197]  ? check_preemption_disabled+0x48/0x280
[  348.919219]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  348.924152]  ? kasan_check_read+0x11/0x20
[  348.928303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.933610]  ? rcu_softirq_qs+0x20/0x20
[  348.937590]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.942712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.948254]  ? check_preemption_disabled+0x48/0x280
[  348.953284]  handle_mm_fault+0x54f/0xc70
[  348.957351]  ? __handle_mm_fault+0x5be0/0x5be0
[  348.961939]  ? find_vma+0x34/0x190
[  348.965485]  __do_page_fault+0x5e8/0xe60
[  348.969550]  ? trace_hardirqs_off+0xb8/0x310
[  348.973971]  do_page_fault+0xf2/0x7e0
[  348.977782]  ? vmalloc_sync_all+0x30/0x30
[  348.981937]  ? error_entry+0x70/0xd0
[  348.985660]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.990678]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.995618]  ? syscall_return_slowpath+0x5e0/0x5e0
[  349.000554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.005400]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.010420]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.015899]  ? prepare_exit_to_usermode+0x291/0x3b0
[  349.020927]  ? page_fault+0x8/0x30
[  349.024476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.029330]  ? page_fault+0x8/0x30
[  349.032883]  page_fault+0x1e/0x30
[  349.036340] RIP: 0033:0x40f9c0
[  349.039548] Code: Bad RIP value.
[  349.042914] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  349.048276] RAX: ffffffffffffff92 RBX: 0000000034374ccd RCX: 000000000045ddf3
[  349.055546] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  349.062817] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  349.070089] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
[  349.077358] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000029
[  349.084656] warn_alloc_show_mem: 1 callbacks suppressed
[  349.084668] CPU: 1 PID: 11716 Comm: syz-executor1 Not tainted 4.19.0+ #73
[  349.084669] Mem-Info:
[  349.084700] active_anon:44876 inactive_anon:2668 isolated_anon:0
[  349.084700]  active_file:14 inactive_file:15 isolated_file:0
[  349.084700]  unevictable:0 dirty:0 writeback:0 unstable:0
[  349.084700]  slab_reclaimable:9230 slab_unreclaimable:1473207
[  349.084700]  mapped:49154 shmem:2675 pagetables:661 bounce:0
[  349.084700]  free:13731 free_pcp:182 free_cma:0
[  349.090044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.096977] Node 0 active_anon:179504kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:10700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 163840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  349.099376] Call Trace:
[  349.132426] 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
[  349.141790]  <IRQ>
[  349.169624] lowmem_reserve[]: 0 2818 6321 6321
[  349.172220]  dump_stack+0x244/0x39d
[  349.198306] Node 0 DMA32 free:25080kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888756kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:412kB local_pcp:164kB free_cma:0kB
[  349.200459]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.205015] lowmem_reserve[]: 0 0 3503 3503
[  349.208650]  warn_alloc.cold.116+0xb7/0x1bd
[  349.236381] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177456kB inactive_anon:10672kB active_file:56kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2644kB bounce:0kB free_pcp:316kB local_pcp:68kB free_cma:0kB
[  349.241575]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.245866] lowmem_reserve[]: 0 0 0 0
[  349.250188]  ? lock_downgrade+0x900/0x900
[  349.279157] 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
[  349.284006]  ? trace_hardirqs_off+0xb8/0x310
[  349.287796] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 2*16kB (M) 4*32kB (M) 3*64kB (UM) 5*128kB (UM) 4*256kB (UM) 3*512kB (M) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25080kB
[  349.291947]  ? trace_hardirqs_off+0xb8/0x310
[  349.305446] Node 0 Normal: 808*4kB (UMEH) 382*8kB (UMEH) 174*16kB (UMEH) 82*32kB (UMEH) 17*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13936kB
[  349.309876]  __alloc_pages_slowpath+0x26e8/0x2e10
[  349.325039] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  349.329465]  ? warn_alloc+0x120/0x120
[  349.344769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  349.349610]  ? warn_alloc+0x120/0x120
[  349.358421] 2704 total pagecache pages
[  349.362216]  ? zap_class+0x640/0x640
[  349.370773] 0 pages in swap cache
[  349.374585]  ? warn_alloc+0x120/0x120
[  349.378460] Swap cache stats: add 0, delete 0, find 0/0
[  349.382165]  ? print_usage_bug+0xc0/0xc0
[  349.385594] Free swap  = 0kB
[  349.389397]  ? idle_cpu+0x1d0/0x1d0
[  349.394741] Total swap = 0kB
[  349.398801]  ? kvm_sched_clock_read+0x9/0x20
[  349.401797] 1965979 pages RAM
[  349.405418]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.408412] 0 pages HighMem/MovableOnly
[  349.412817]  ? print_usage_bug+0xc0/0xc0
[  349.415899] 342858 pages reserved
[  349.420909]  ? __lock_is_held+0xb5/0x140
[  349.424857] 0 pages cma reserved
[  349.428917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.432410] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  349.436402]  ? should_fail+0x22d/0xd01
[  349.436421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.436437]  ? __lock_acquire+0x62f/0x4c20
[  349.439843] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.445319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.451789] syz-fuzzer cpuset=/ mems_allowed=0
[  349.455665]  ? __lock_acquire+0x62f/0x4c20
[  349.455680]  ? should_fail+0x22d/0xd01
[  349.492959]  ? mark_held_locks+0x130/0x130
[  349.497207]  ? mark_held_locks+0x130/0x130
[  349.501449]  ? __enqueue_entity+0x10d/0x1f0
[  349.505779]  ? zap_class+0x640/0x640
[  349.509516]  ? print_usage_bug+0xc0/0xc0
[  349.513582]  ? __lock_acquire+0x62f/0x4c20
[  349.517832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.523383]  ? check_preemption_disabled+0x48/0x280
[  349.528416]  ? __lock_is_held+0xb5/0x140
[  349.532491]  __alloc_pages_nodemask+0xa80/0xde0
[  349.537165]  ? zap_class+0x640/0x640
[  349.540887]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.545919]  ? find_held_lock+0x36/0x1c0
[  349.549994]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.554672]  ? lock_downgrade+0x900/0x900
[  349.558832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.564384]  cache_grow_begin+0xa5/0x8c0
[  349.568454]  ? do_raw_spin_unlock+0xa7/0x330
[  349.572875]  fallback_alloc+0x204/0x2e0
[  349.576861]  ____cache_alloc_node+0x1c7/0x1e0
[  349.581373]  kmem_cache_alloc_node+0xe3/0x730
[  349.585871]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.590119]  __alloc_skb+0x119/0x770
[  349.593839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.599127]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.603539]  ? lock_downgrade+0x900/0x900
[  349.607703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.613243]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.618700]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.624154]  ? addrconf_rs_timer+0x690/0x690
[  349.628574]  ndisc_alloc_skb+0x144/0x340
[  349.632648]  ndisc_send_rs+0x331/0x6e0
[  349.636662]  addrconf_rs_timer+0x314/0x690
[  349.640899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.645149]  call_timer_fn+0x272/0x920
[  349.649036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.653272]  ? process_timeout+0x40/0x40
[  349.657345]  ? __run_timers+0x7da/0xc70
[  349.661329]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.665831]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.670327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.674571]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.679162]  ? trace_hardirqs_on+0xbd/0x310
[  349.683485]  ? kasan_check_read+0x11/0x20
[  349.687638]  ? __run_timers+0x7da/0xc70
[  349.691625]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.696745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.700983]  __run_timers+0x7e5/0xc70
[  349.704798]  ? timer_fixup_init+0x70/0x70
[  349.708953]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.713973]  ? zap_class+0x640/0x640
[  349.717695]  ? enqueue_hrtimer+0x1a5/0x560
[  349.721941]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.727142]  ? find_held_lock+0x36/0x1c0
[  349.731211]  ? zap_class+0x640/0x640
[  349.734933]  ? pvclock_read_flags+0x160/0x160
[  349.739434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.744976]  ? check_preemption_disabled+0x48/0x280
[  349.750006]  ? __lock_is_held+0xb5/0x140
[  349.754075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.759633]  ? check_preemption_disabled+0x48/0x280
[  349.764661]  run_timer_softirq+0x52/0xb0
[  349.769217]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.774241]  __do_softirq+0x308/0xb7e
[  349.778049]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.782547]  ? lock_downgrade+0x900/0x900
[  349.786702]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.791817]  ? pvclock_read_flags+0x160/0x160
[  349.796322]  ? lapic_next_event+0x5a/0x90
[  349.800474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.806021]  ? kvm_clock_read+0x18/0x30
[  349.810001]  ? kvm_sched_clock_read+0x9/0x20
[  349.814418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.819973]  ? check_preemption_disabled+0x48/0x280
[  349.825001]  irq_exit+0x17f/0x1c0
[  349.828492]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.833338]  ? smp_reschedule_interrupt+0x109/0x650
[  349.838374]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.844261]  ? interrupt_entry+0xb5/0xc0
[  349.848328]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.853353]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.858385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.863234]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.868251]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.873269]  ? task_prio+0x50/0x50
[  349.876813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.882353]  ? check_preemption_disabled+0x48/0x280
[  349.887394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.892255]  apic_timer_interrupt+0xf/0x20
[  349.896485]  </IRQ>
[  349.898730] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  349.903663] Code: 7e 0f 85 cf fe ff ff e8 b6 3d 3e ff e9 c5 fe ff ff e8 ed 4c c3 ff 48 83 3d 25 bc 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 c2 14
[  349.922570] RSP: 0000:ffff8801945ef738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.930288] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  349.937556] RDX: 0000000000000000 RSI: ffff8801bf11ae80 RDI: 0000000000000286
[  349.944824] RBP: ffff8801945ef7a0 R08: ffff8801bf11a600 R09: 0000000000000000
[  349.952094] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  349.959368] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  349.966689]  skb_clone+0x1bb/0x500
[  349.970234]  ? finish_task_switch+0x1b4/0x910
[  349.974735]  ? skb_split+0x11e0/0x11e0
[  349.978637]  ? preempt_notifier_register+0x200/0x200
[  349.983747]  ? __switch_to_asm+0x34/0x70
[  349.987812]  ? __switch_to_asm+0x34/0x70
[  349.991877]  ? __switch_to_asm+0x40/0x70
[  349.995942]  ? __switch_to_asm+0x34/0x70
[  350.000004]  ? __switch_to_asm+0x40/0x70
[  350.004068]  ? __switch_to_asm+0x34/0x70
[  350.008131]  ? __switch_to_asm+0x40/0x70
[  350.012194]  ? __switch_to_asm+0x34/0x70
[  350.016260]  ? __switch_to_asm+0x34/0x70
[  350.020324]  ? __switch_to_asm+0x40/0x70
[  350.024394]  ? __switch_to_asm+0x34/0x70
[  350.028465]  bpf_clone_redirect+0xb9/0x490
[  350.032706]  ? __schedule+0x8d7/0x21d0
[  350.036613]  bpf_prog_bebbfe2050753572+0x892/0x1000
[  350.041638]  ? __sched_text_start+0x8/0x8
[  350.045788]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.050560]  ? find_held_lock+0x36/0x1c0
[  350.054640]  ? lock_acquire+0x1ed/0x520
[  350.058625]  ? bpf_test_run+0x3cb/0x780
[  350.062624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.068167]  ? check_preemption_disabled+0x48/0x280
[  350.073194]  ? kasan_check_read+0x11/0x20
[  350.077344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.082634]  ? rcu_softirq_qs+0x20/0x20
[  350.086621]  ? preempt_schedule+0x4d/0x60
[  350.090777]  ? ___preempt_schedule+0x16/0x18
[  350.095195]  ? bpf_test_run+0x25d/0x780
[  350.099184]  ? netlink_diag_dump+0x2a0/0x2a0
[  350.103608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.109155]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  350.113940]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  350.118787]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.124329]  ? fput+0x130/0x1a0
[  350.127626]  ? __bpf_prog_get+0x9b/0x290
[  350.131694]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  350.136539]  ? bpf_prog_test_run+0x130/0x1a0
[  350.140962]  ? __x64_sys_bpf+0x3d8/0x520
[  350.145029]  ? bpf_prog_get+0x20/0x20
[  350.148853]  ? do_syscall_64+0x1b9/0x820
[  350.152941]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  350.158315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.163254]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.168278]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  350.173325]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  350.180000]  ? __switch_to_asm+0x40/0x70
[  350.184063]  ? __switch_to_asm+0x34/0x70
[  350.188137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.193003]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  350.198396] CPU: 0 PID: 5712 Comm: syz-fuzzer Not tainted 4.19.0+ #73
[  350.198468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.204984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.204989] Call Trace:
[  350.204996]  <IRQ>
[  350.205015]  dump_stack+0x244/0x39d
[  350.205032]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.211572] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.220888]  warn_alloc.cold.116+0xb7/0x1bd
[  350.223439] syz-executor1 cpuset=syz1 mems_allowed=0
[  350.225586]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.259086]  ? lock_downgrade+0x900/0x900
[  350.263246]  ? trace_hardirqs_off+0xb8/0x310
[  350.267665]  ? trace_hardirqs_off+0xb8/0x310
[  350.272086]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.276962]  ? warn_alloc+0x120/0x120
[  350.280767]  ? print_usage_bug+0xc0/0xc0
[  350.284830]  ? warn_alloc+0x120/0x120
[  350.288643]  ? warn_alloc+0x120/0x120
[  350.292453]  ? print_usage_bug+0xc0/0xc0
[  350.296526]  ? print_usage_bug+0xc0/0xc0
[  350.300590]  ? __lock_acquire+0x62f/0x4c20
[  350.304845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.310394]  ? should_fail+0x22d/0xd01
[  350.314288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.319397]  ? __lock_acquire+0x62f/0x4c20
[  350.323641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.328744]  ? __lock_acquire+0x62f/0x4c20
[  350.332979]  ? should_fail+0x22d/0xd01
[  350.336874]  ? find_held_lock+0x36/0x1c0
[  350.340947]  ? mark_held_locks+0x130/0x130
[  350.345189]  ? mark_held_locks+0x130/0x130
[  350.349429]  ? zap_class+0x640/0x640
[  350.353166]  ? zap_class+0x640/0x640
[  350.356890]  ? print_usage_bug+0xc0/0xc0
[  350.360956]  ? do_raw_spin_unlock+0xa7/0x330
[  350.365367]  ? zap_class+0x640/0x640
[  350.369084]  ? print_usage_bug+0xc0/0xc0
[  350.373147]  ? wq_watchdog_touch+0x9c/0xfe
[  350.377393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20