? check_preemption_disabled+0x48/0x280
[  240.873627]  run_timer_softirq+0x52/0xb0
[  240.877702]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.882729]  __do_softirq+0x308/0xb7e
[  240.886546]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.891037]  ? lock_downgrade+0x900/0x900
[  240.895193]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.900337]  ? pvclock_read_flags+0x160/0x160
[  240.904836]  ? lapic_next_event+0x5a/0x90
[  240.908989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.914529]  ? kvm_clock_read+0x18/0x30
[  240.918524]  ? kvm_sched_clock_read+0x9/0x20
[  240.922964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.928515]  ? check_preemption_disabled+0x48/0x280
[  240.933553]  irq_exit+0x17f/0x1c0
[  240.937009]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.941849]  ? smp_reschedule_interrupt+0x109/0x650
[  240.946879]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.952762]  ? interrupt_entry+0xb5/0xc0
[  240.956822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.961838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.966858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.971707]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.976719]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.981734]  ? task_prio+0x50/0x50
[  240.985278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.990818]  ? check_preemption_disabled+0x48/0x280
[  240.995853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.000704]  apic_timer_interrupt+0xf/0x20
[  241.004928]  </IRQ>
[  241.007170] RIP: 0010:dump_stack+0x358/0x39d
[  241.011582] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  241.030515] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  241.038265] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  241.045578] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  241.052854] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  241.060138] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  241.067403] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  241.074687]  ? dump_stack+0x34f/0x39d
[  241.078495]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.083727]  ? mark_held_locks+0x130/0x130
[  241.087974]  ? mark_held_locks+0x130/0x130
[  241.092215]  dump_header+0x27b/0xf72
[  241.095939]  ? pagefault_out_of_memory+0x197/0x197
[  241.100875]  ? __lock_acquire+0x62f/0x4c20
[  241.105126]  ? percpu_ref_get_many+0x240/0x240
[  241.109729]  ? print_usage_bug+0xc0/0xc0
[  241.113794]  ? zap_class+0x640/0x640
[  241.117508]  ? print_usage_bug+0xc0/0xc0
[  241.121568]  ? print_usage_bug+0xc0/0xc0
[  241.125628]  ? zap_class+0x640/0x640
[  241.129360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.134931]  ? find_held_lock+0x36/0x1c0
[  241.139011]  ? mark_held_locks+0xc7/0x130
[  241.143163]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  241.148267]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  241.153370]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  241.157953]  ? trace_hardirqs_on+0xbd/0x310
[  241.162277]  ? kasan_check_read+0x11/0x20
[  241.166468]  ? ___ratelimit+0x3b4/0x672
[  241.170444]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.175550]  ? trace_hardirqs_on+0x310/0x310
[  241.179971]  ? lock_downgrade+0x900/0x900
[  241.184125]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.189230]  ? ___ratelimit+0x3b9/0x672
[  241.193203]  ? idr_get_free+0xf70/0xf70
[  241.197179]  ? find_held_lock+0x36/0x1c0
[  241.201247]  oom_kill_process.cold.27+0x10/0x903
[  241.206001]  ? zap_class+0x640/0x640
[  241.209732]  ? check_preemption_disabled+0x48/0x280
[  241.214761]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.219705]  ? kasan_check_read+0x11/0x20
[  241.223849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.229129]  ? oom_evaluate_task+0x540/0x540
[  241.233552]  ? find_held_lock+0x36/0x1c0
[  241.237619]  ? out_of_memory+0x974/0x1430
[  241.241789]  ? lock_downgrade+0x900/0x900
[  241.245937]  ? check_preemption_disabled+0x48/0x280
[  241.250975]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.255903]  ? kasan_check_read+0x11/0x20
[  241.260075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.265355]  ? rcu_softirq_qs+0x20/0x20
[  241.269337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.274889]  ? oom_evaluate_task+0x302/0x540
[  241.279314]  out_of_memory+0xa84/0x1430
[  241.283316]  ? oom_killer_disable+0x3a0/0x3a0
[  241.287818]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  241.292749]  ? __ww_mutex_check_waiters+0x160/0x160
[  241.297776]  __alloc_pages_slowpath+0x2354/0x2e10
[  241.302661]  ? warn_alloc+0x120/0x120
[  241.306474]  ? mark_held_locks+0x130/0x130
[  241.310743]  ? find_get_entry+0xaae/0x1120
[  241.314998]  ? filemap_map_pages+0x1a20/0x1a20
[  241.319587]  ? zap_class+0x640/0x640
[  241.323329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.328872]  ? check_preemption_disabled+0x48/0x280
[  241.333886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.339430]  ? should_fail+0x22d/0xd01
[  241.343344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.348448]  ? zap_class+0x640/0x640
[  241.352187]  ? __lock_is_held+0xb5/0x140
[  241.356260]  ? mark_held_locks+0x130/0x130
[  241.360502]  ? lock_release+0xa00/0xa00
[  241.364482]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.369947]  ? xa_load+0x2ba/0x460
[  241.373486]  ? lock_downgrade+0x900/0x900
[  241.377642]  ? __might_sleep+0x95/0x190
[  241.381635]  __alloc_pages_nodemask+0xa80/0xde0
[  241.386316]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  241.391343]  ? __page_cache_alloc+0x191/0x5c0
[  241.395832]  ? xa_load+0x2e1/0x460
[  241.399376]  ? xa_clear_mark+0x40/0x40
[  241.403263]  ? zap_class+0x640/0x640
[  241.406996]  ? zap_class+0x640/0x640
[  241.410712]  ? zap_class+0x640/0x640
[  241.414425]  ? __do_page_cache_readahead+0x663/0x810
[  241.419551]  ? find_held_lock+0x36/0x1c0
[  241.423620]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  241.429170]  alloc_pages_current+0x173/0x350
[  241.433625]  __page_cache_alloc+0x38c/0x5c0
[  241.437944]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.442877]  ? kasan_check_read+0x11/0x20
[  241.447022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.452303]  ? generic_perform_write+0x6a0/0x6a0
[  241.457069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.462607]  ? check_preemption_disabled+0x48/0x280
[  241.467643]  filemap_fault+0x1595/0x25f0
[  241.471765]  ? __lock_page_or_retry+0xa00/0xa00
[  241.476448]  ? mark_held_locks+0x130/0x130
[  241.480689]  ? filemap_map_pages+0xd6b/0x1a20
[  241.485187]  ? lock_downgrade+0x900/0x900
[  241.489337]  ? check_preemption_disabled+0x48/0x280
[  241.494352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.499286]  ? kasan_check_read+0x11/0x20
[  241.503432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.508734]  ? rcu_softirq_qs+0x20/0x20
[  241.512721]  ? filemap_map_pages+0xd92/0x1a20
[  241.517214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.522768]  ? find_get_entries_tag+0x1400/0x1400
[  241.527615]  ? __lock_acquire+0x62f/0x4c20
[  241.531882]  ? lock_acquire+0x1ed/0x520
[  241.535856]  ? ext4_filemap_fault+0x7a/0xad
[  241.540213]  ? lock_release+0xa00/0xa00
[  241.544194]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.549663]  ? print_usage_bug+0xc0/0xc0
[  241.553737]  ? print_usage_bug+0xc0/0xc0
[  241.557823]  ? down_read+0x8d/0x120
[  241.561464]  ? ext4_filemap_fault+0x7a/0xad
[  241.565800]  ? __down_interruptible+0x700/0x700
[  241.570482]  ext4_filemap_fault+0x82/0xad
[  241.574631]  __do_fault+0x100/0x6b0
[  241.578262]  ? pmd_devmap_trans_unstable+0x220/0x220
[  241.583369]  ? mark_held_locks+0x130/0x130
[  241.587604]  ? mark_held_locks+0x130/0x130
[  241.591853]  ? find_held_lock+0x36/0x1c0
[  241.595920]  ? find_held_lock+0x36/0x1c0
[  241.599983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.605529]  __handle_mm_fault+0x3ea0/0x5be0
[  241.609939]  ? poll_select_copy_remaining+0x18c/0x6a0
[  241.615148]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  241.620002]  ? __might_fault+0x12b/0x1e0
[  241.624117]  ? lock_downgrade+0x900/0x900
[  241.628309]  ? zap_class+0x640/0x640
[  241.632031]  ? zap_class+0x640/0x640
[  241.635813]  ? find_held_lock+0x36/0x1c0
[  241.639890]  ? handle_mm_fault+0x42a/0xc70
[  241.644130]  ? lock_downgrade+0x900/0x900
[  241.648281]  ? check_preemption_disabled+0x48/0x280
[  241.653302]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.658238]  ? kasan_check_read+0x11/0x20
[  241.662386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.667657]  ? rcu_softirq_qs+0x20/0x20
[  241.671629]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.676733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.682295]  ? check_preemption_disabled+0x48/0x280
[  241.687331]  handle_mm_fault+0x54f/0xc70
[  241.691396]  ? __handle_mm_fault+0x5be0/0x5be0
[  241.695983]  ? find_vma+0x34/0x190
[  241.699523]  __do_page_fault+0x5e8/0xe60
[  241.703582]  ? trace_hardirqs_off+0xb8/0x310
[  241.708020]  do_page_fault+0xf2/0x7e0
[  241.711840]  ? vmalloc_sync_all+0x30/0x30
[  241.716008]  ? error_entry+0x70/0xd0
[  241.719732]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.724752]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.729687]  ? syscall_return_slowpath+0x5e0/0x5e0
[  241.734631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.739481]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.744500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.749962]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  241.754988]  ? prepare_exit_to_usermode+0x291/0x3b0
[  241.760009]  ? page_fault+0x8/0x30
[  241.763568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.768433]  ? page_fault+0x8/0x30
[  241.771973]  page_fault+0x1e/0x30
[  241.775424] RIP: 0033:0x7fafaecd0dd3
[  241.779170] Code: Bad RIP value.
[  241.782532] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  241.787890] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  241.795165] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  241.802441] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  241.809715] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  241.817003] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  241.824309] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  241.824311] Mem-Info:
[  241.824352] active_anon:50685 inactive_anon:189 isolated_anon:0
[  241.824352]  active_file:14 inactive_file:14 isolated_file:0
[  241.824352]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.824352]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  241.824352]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  241.824352]  free:13759 free_pcp:552 free_cma:0
[  241.831412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.831423] Call Trace:
[  241.833889] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.866757]  <IRQ>
[  241.876124] 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
[  241.878719]  dump_stack+0x244/0x39d
[  241.906116] lowmem_reserve[]: 0 2818 6321 6321
[  241.908313]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.934401] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.938087]  warn_alloc.cold.116+0xb7/0x1bd
[  241.942629] lowmem_reserve[]: 0 0 3503 3503
[  241.947830]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.975429] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  241.979795]  ? lock_downgrade+0x900/0x900
[  241.984085] lowmem_reserve[]: 0 0 0 0
[  241.988964]  ? trace_hardirqs_off+0xb8/0x310
[  242.018008] 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
[  242.022173]  ? trace_hardirqs_off+0xb8/0x310
[  242.025936] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  242.030371]  __alloc_pages_slowpath+0x26e8/0x2e10
[  242.043868] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  242.048310]  ? warn_alloc+0x120/0x120
[  242.063623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  242.068474]  ? print_usage_bug+0xc0/0xc0
[  242.083548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  242.087364]  ? warn_alloc+0x120/0x120
[  242.096173] 272 total pagecache pages
[  242.100263]  ? warn_alloc+0x120/0x120
[  242.108818] 0 pages in swap cache
[  242.112628]  ? print_usage_bug+0xc0/0xc0
[  242.116402] Swap cache stats: add 0, delete 0, find 0/0
[  242.120202]  ? kvm_clock_read+0x18/0x30
[  242.123627] Free swap  = 0kB
[  242.127700]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  242.133042] Total swap = 0kB
[  242.137025]  ? print_usage_bug+0xc0/0xc0
[  242.140014] 1965979 pages RAM
[  242.145029]  ? __lock_acquire+0x62f/0x4c20
[  242.148018] 0 pages HighMem/MovableOnly
[  242.152101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.155171] 342853 pages reserved
[  242.159404]  ? should_fail+0x22d/0xd01
[  242.163351] 0 pages cma reserved
[  242.168888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.172392] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.176200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.179605] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.184816]  ? __lock_acquire+0x62f/0x4c20
[  242.191298] init cpuset=/ mems_allowed=0
[  242.196438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.219510]  ? __lock_acquire+0x62f/0x4c20
[  242.223749]  ? should_fail+0x22d/0xd01
[  242.227648]  ? rcu_irq_exit+0x1a2/0x390
[  242.231643]  ? mark_held_locks+0x130/0x130
[  242.235889]  ? mark_held_locks+0x130/0x130
[  242.240138]  ? mark_held_locks+0xc7/0x130
[  242.244299]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  242.249323]  ? zap_class+0x640/0x640
[  242.253062]  ? print_usage_bug+0xc0/0xc0
[  242.257134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.262715]  ? check_preemption_disabled+0x48/0x280
[  242.267748]  ? __lock_is_held+0xb5/0x140
[  242.271826]  __alloc_pages_nodemask+0xa80/0xde0
[  242.276502]  ? zap_class+0x640/0x640
[  242.280258]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  242.285288]  ? find_held_lock+0x36/0x1c0
[  242.289365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.294041]  ? lock_downgrade+0x900/0x900
[  242.298233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.303783]  cache_grow_begin+0xa5/0x8c0
[  242.307894]  ? do_raw_spin_unlock+0xa7/0x330
[  242.312319]  fallback_alloc+0x204/0x2e0
[  242.316315]  ____cache_alloc_node+0x1c7/0x1e0
[  242.320838]  kmem_cache_alloc_node+0xe3/0x730
[  242.325339]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.329591]  __alloc_skb+0x119/0x770
[  242.333324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.338626]  ? netdev_alloc_frag+0x1f0/0x1f0
[  242.343040]  ? lock_downgrade+0x900/0x900
[  242.347220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.352764]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.358230]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.363693]  ? addrconf_rs_timer+0x690/0x690
[  242.368160]  ndisc_alloc_skb+0x144/0x340
[  242.372244]  ndisc_send_rs+0x331/0x6e0
[  242.376170]  addrconf_rs_timer+0x314/0x690
[  242.380415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.384679]  call_timer_fn+0x272/0x920
[  242.388568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.392805]  ? process_timeout+0x40/0x40
[  242.396878]  ? mark_held_locks+0xc7/0x130
[  242.401074]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.405571]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.410076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.414316]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.418920]  ? trace_hardirqs_on+0xbd/0x310
[  242.423256]  ? kasan_check_read+0x11/0x20
[  242.427425]  ? __run_timers+0x7da/0xc70
[  242.431406]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.436538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.440786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.445024]  __run_timers+0x7e5/0xc70
[  242.448854]  ? timer_fixup_init+0x70/0x70
[  242.453016]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.458056]  ? zap_class+0x640/0x640
[  242.461781]  ? print_usage_bug+0xc0/0xc0
[  242.465857]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.471081]  ? find_held_lock+0x36/0x1c0
[  242.475168]  ? zap_class+0x640/0x640
[  242.478893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.484441]  ? check_preemption_disabled+0x48/0x280
[  242.489476]  ? __lock_is_held+0xb5/0x140
[  242.493548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.499095]  ? check_preemption_disabled+0x48/0x280
[  242.504124]  run_timer_softirq+0x52/0xb0
[  242.508189]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.513207]  __do_softirq+0x308/0xb7e
[  242.517014]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.521517]  ? lock_downgrade+0x900/0x900
[  242.525672]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.530788]  ? pvclock_read_flags+0x160/0x160
[  242.535297]  ? lapic_next_event+0x5a/0x90
[  242.539464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.545011]  ? kvm_clock_read+0x18/0x30
[  242.548988]  ? kvm_sched_clock_read+0x9/0x20
[  242.553403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.559481]  ? check_preemption_disabled+0x48/0x280
[  242.564521]  irq_exit+0x17f/0x1c0
[  242.567982]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.572837]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.578728]  ? interrupt_entry+0xb5/0xc0
[  242.582801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.587870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.592914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.597771]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.602795]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.607829]  ? task_prio+0x50/0x50
[  242.611382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.616931]  ? check_preemption_disabled+0x48/0x280
[  242.621982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.626845]  apic_timer_interrupt+0xf/0x20
[  242.631108]  </IRQ>
[  242.633367] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  242.638477] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  242.657412] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  242.665116] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  242.672400] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  242.679704] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  242.686967] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  242.694698] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  242.702003]  shrink_active_list+0x14eb/0x1f00
[  242.706513]  ? shrink_inactive_list+0x1c60/0x1c60
[  242.711354]  ? trace_hardirqs_on+0xbd/0x310
[  242.715676]  ? shrink_inactive_list+0xa4a/0x1c60
[  242.720439]  ? mark_held_locks+0x130/0x130
[  242.724673]  ? __lock_acquire+0x62f/0x4c20
[  242.728909]  ? print_usage_bug+0xc0/0xc0
[  242.732973]  ? mark_held_locks+0x130/0x130
[  242.737211]  ? mark_held_locks+0x130/0x130
[  242.741481]  ? print_usage_bug+0xc0/0xc0
[  242.745561]  ? __lock_acquire+0x62f/0x4c20
[  242.749799]  ? zap_class+0x640/0x640
[  242.753514]  ? zap_class+0x640/0x640
[  242.757238]  ? mark_held_locks+0x130/0x130
[  242.761475]  ? zap_class+0x640/0x640
[  242.765194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.770735]  ? check_preemption_disabled+0x48/0x280
[  242.775762]  ? __lock_is_held+0xb5/0x140
[  242.779855]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.784871]  ? inactive_list_is_low+0x305/0x880
[  242.789564]  ? lruvec_lru_size+0x450/0x450
[  242.793815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.799374]  ? lruvec_lru_size+0x2ab/0x450
[  242.803611]  ? percpu_ref_put_many+0x13e/0x260
[  242.808212]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  242.813144]  ? find_held_lock+0x36/0x1c0
[  242.817215]  shrink_node_memcg+0x803/0x18f0
[  242.821574]  ? shrink_active_list+0x1f00/0x1f00
[  242.826247]  ? lock_downgrade+0x900/0x900
[  242.830412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.835533]  ? cgroup_procs_write_finish+0xf0/0xf0
[  242.840495]  ? _raw_spin_unlock+0x2c/0x50
[  242.844670]  shrink_node+0x3bc/0x16b0
[  242.848499]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  242.853816]  ? shrink_node_memcg+0x18f0/0x18f0
[  242.858432]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  242.863017]  ? trace_hardirqs_on+0xbd/0x310
[  242.867347]  ? vmpressure+0x271/0x340
[  242.871167]  ? do_raw_spin_unlock+0xa7/0x330
[  242.875577]  ? do_raw_spin_trylock+0x270/0x270
[  242.880176]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.885722]  ? __cpuset_node_allowed+0x19b/0x660
[  242.890490]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  242.896216]  ? vmpressure+0x1a2/0x340
[  242.900027]  do_try_to_free_pages+0x3e7/0x1290
[  242.904623]  ? zap_class+0x640/0x640
[  242.908382]  ? shrink_node+0x16b0/0x16b0
[  242.912449]  ? __lock_is_held+0xb5/0x140
[  242.916524]  try_to_free_pages+0x4d0/0xb90
[  242.920765]  ? do_try_to_free_pages+0x1290/0x1290
[  242.925622]  ? lock_acquire+0x1ed/0x520
[  242.929596]  ? set_page_refcounted+0x280/0x280
[  242.934214]  ? lock_release+0xa00/0xa00
[  242.938190]  ? _raw_spin_unlock_irq+0x60/0x80
[  242.942689]  ? psi_memstall_enter+0x240/0x2b0
[  242.947186]  ? psi_memstall_tick+0x230/0x230
[  242.951631]  __alloc_pages_slowpath+0xa14/0x2e10
[  242.956416]  ? warn_alloc+0x120/0x120
[  242.960223]  ? mark_held_locks+0x130/0x130
[  242.964461]  ? find_get_entry+0xaae/0x1120
[  242.968721]  ? filemap_map_pages+0x1a20/0x1a20
[  242.973800]  ? zap_class+0x640/0x640
[  242.977525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.983091]  ? check_preemption_disabled+0x48/0x280
[  242.988125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.993668]  ? should_fail+0x22d/0xd01
[  242.997576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.002696]  ? zap_class+0x640/0x640
[  243.006435]  ? __lock_is_held+0xb5/0x140
[  243.010517]  ? mark_held_locks+0x130/0x130
[  243.014764]  ? lock_release+0xa00/0xa00
[  243.018740]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.024190]  ? xa_load+0x2ba/0x460
[  243.027734]  ? lock_downgrade+0x900/0x900
[  243.031884]  ? __might_sleep+0x95/0x190
[  243.035861]  __alloc_pages_nodemask+0xa80/0xde0
[  243.040547]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.045564]  ? __page_cache_alloc+0x191/0x5c0
[  243.050066]  ? xa_load+0x2e1/0x460
[  243.053610]  ? xa_clear_mark+0x40/0x40
[  243.057503]  ? zap_class+0x640/0x640
[  243.061225]  ? zap_class+0x640/0x640
[  243.064937]  ? zap_class+0x640/0x640
[  243.068650]  ? __do_page_cache_readahead+0x663/0x810
[  243.073759]  ? find_held_lock+0x36/0x1c0
[  243.077843]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.083410]  alloc_pages_current+0x173/0x350
[  243.087828]  __page_cache_alloc+0x38c/0x5c0
[  243.092165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.097110]  ? kasan_check_read+0x11/0x20
[  243.101269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.106545]  ? generic_perform_write+0x6a0/0x6a0
[  243.111303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.116844]  ? check_preemption_disabled+0x48/0x280
[  243.121868]  filemap_fault+0x1595/0x25f0
[  243.125944]  ? __lock_page_or_retry+0xa00/0xa00
[  243.130630]  ? mark_held_locks+0x130/0x130
[  243.134891]  ? filemap_map_pages+0xd6b/0x1a20
[  243.139385]  ? lock_downgrade+0x900/0x900
[  243.143549]  ? check_preemption_disabled+0x48/0x280
[  243.148566]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.153495]  ? kasan_check_read+0x11/0x20
[  243.157640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.162916]  ? rcu_softirq_qs+0x20/0x20
[  243.166903]  ? filemap_map_pages+0xd92/0x1a20
[  243.171404]  ? print_usage_bug+0xc0/0xc0
[  243.175486]  ? find_get_entries_tag+0x1400/0x1400
[  243.180326]  ? __kasan_slab_free+0x102/0x150
[  243.184742]  ? kasan_slab_free+0xe/0x10
[  243.188725]  ? kmem_cache_free+0x83/0x290
[  243.192886]  ? __sigqueue_free.part.29+0x74/0x90
[  243.197659]  ? lock_acquire+0x1ed/0x520
[  243.201636]  ? ext4_filemap_fault+0x7a/0xad
[  243.205968]  ? lock_release+0xa00/0xa00
[  243.209941]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.215391]  ? print_usage_bug+0xc0/0xc0
[  243.219456]  ? print_usage_bug+0xc0/0xc0
[  243.223541]  ? down_read+0x8d/0x120
[  243.227163]  ? ext4_filemap_fault+0x7a/0xad
[  243.231486]  ? __down_interruptible+0x700/0x700
[  243.236179]  ext4_filemap_fault+0x82/0xad
[  243.240332]  __do_fault+0x100/0x6b0
[  243.243961]  ? pmd_devmap_trans_unstable+0x220/0x220
[  243.249089]  ? mark_held_locks+0x130/0x130
[  243.253326]  ? mark_held_locks+0x130/0x130
[  243.257564]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  243.263104]  ? rcu_pm_notify+0xc0/0xc0
[  243.266998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.272557]  __handle_mm_fault+0x3ea0/0x5be0
[  243.276974]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  243.281815]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.286316]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  243.290898]  ? trace_hardirqs_on+0xbd/0x310
[  243.295213]  ? kasan_check_read+0x11/0x20
[  243.299393]  ? __set_current_blocked+0xdf/0x120
[  243.304135]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.309260]  ? zap_class+0x640/0x640
[  243.312997]  ? zap_class+0x640/0x640
[  243.316716]  ? find_held_lock+0x36/0x1c0
[  243.320783]  ? handle_mm_fault+0x42a/0xc70
[  243.325019]  ? lock_downgrade+0x900/0x900
[  243.329176]  ? check_preemption_disabled+0x48/0x280
[  243.334191]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.339118]  ? kasan_check_read+0x11/0x20
[  243.343267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.348555]  ? rcu_softirq_qs+0x20/0x20
[  243.352529]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.357634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.363169]  ? check_preemption_disabled+0x48/0x280
[  243.368192]  handle_mm_fault+0x54f/0xc70
[  243.372252]  ? __handle_mm_fault+0x5be0/0x5be0
[  243.376857]  ? find_vma+0x34/0x190
[  243.380417]  __do_page_fault+0x5e8/0xe60
[  243.384478]  ? exit_to_usermode_loop+0x1f4/0x380
[  243.389235]  do_page_fault+0xf2/0x7e0
[  243.393038]  ? vmalloc_sync_all+0x30/0x30
[  243.397198]  ? error_entry+0x70/0xd0
[  243.400932]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.405948]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.410875]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.415818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.420664]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.425675]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.431125]  ? prepare_exit_to_usermode+0x291/0x3b0
[  243.436152]  ? page_fault+0x8/0x30
[  243.439696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.444550]  ? page_fault+0x8/0x30
[  243.448089]  page_fault+0x1e/0x30
[  243.451568] RIP: 0033:0x45db60
[  243.454787] Code: Bad RIP value.
[  243.458154] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  243.463516] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  243.470788] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  243.478062] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  243.485333] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  243.492598] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  243.499885] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  243.499970] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.506125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.506130] Call Trace:
[  243.506136]  <IRQ>
[  243.506154]  dump_stack+0x244/0x39d
[  243.506171]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.512733] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.521993]  warn_alloc.cold.116+0xb7/0x1bd
[  243.524554] syz-fuzzer cpuset=/ mems_allowed=0
[  243.526695]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.559411]  ? lock_downgrade+0x900/0x900
[  243.563572]  ? trace_hardirqs_off+0xb8/0x310
[  243.567986]  ? trace_hardirqs_off+0xb8/0x310
[  243.572404]  __alloc_pages_slowpath+0x26e8/0x2e10
[  243.577288]  ? warn_alloc+0x120/0x120
[  243.581123]  ? print_usage_bug+0xc0/0xc0
[  243.585200]  ? warn_alloc+0x120/0x120
[  243.589006]  ? warn_alloc+0x120/0x120
[  243.592809]  ? print_usage_bug+0xc0/0xc0
[  243.596874]  ? print_usage_bug+0xc0/0xc0
[  243.600938]  ? __lock_acquire+0x62f/0x4c20
[  243.605198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.610740]  ? should_fail+0x22d/0xd01
[  243.614634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.619752]  ? __lock_acquire+0x62f/0x4c20
[  243.624016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.629124]  ? __lock_acquire+0x62f/0x4c20
[  243.633360]  ? should_fail+0x22d/0xd01
[  243.637261]  ? find_held_lock+0x36/0x1c0
[  243.641337]  ? mark_held_locks+0x130/0x130
[  243.645577]  ? mark_held_locks+0x130/0x130
[  243.649840]  ? zap_class+0x640/0x640
[  243.653571]  ? zap_class+0x640/0x640
[  243.657314]  ? print_usage_bug+0xc0/0xc0
[  243.661380]  ? do_raw_spin_unlock+0xa7/0x330
[  243.665789]  ? zap_class+0x640/0x640
[  243.669502]  ? print_usage_bug+0xc0/0xc0
[  243.673565]  ? wq_watchdog_touch+0x9c/0xfe
[  243.677802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.683348]  ? check_preemption_disabled+0x48/0x280
[  243.688373]  ? __lock_is_held+0xb5/0x140
[  243.692441]  __alloc_pages_nodemask+0xa80/0xde0
[  243.697111]  ? zap_class+0x640/0x640
[  243.700840]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.705872]  ? find_held_lock+0x36/0x1c0
[  243.709948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.714620]  ? lock_downgrade+0x900/0x900
[  243.718818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.724372]  cache_grow_begin+0xa5/0x8c0
[  243.728432]  ? do_raw_spin_unlock+0xa7/0x330
[  243.732844]  fallback_alloc+0x204/0x2e0
[  243.736824]  ____cache_alloc_node+0x1c7/0x1e0
[  243.741328]  kmem_cache_alloc_node+0xe3/0x730
[  243.745839]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.750091]  __alloc_skb+0x119/0x770
[  243.753804]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.759087]  ? netdev_alloc_frag+0x1f0/0x1f0
[  243.763495]  ? lock_downgrade+0x900/0x900
[  243.767647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.773195]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.778666]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.784129]  ? addrconf_rs_timer+0x690/0x690
[  243.788605]  ndisc_alloc_skb+0x144/0x340
[  243.792684]  ndisc_send_rs+0x331/0x6e0
[  243.796577]  addrconf_rs_timer+0x314/0x690
[  243.800818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.805084]  call_timer_fn+0x272/0x920
[  243.808971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.813232]  ? process_timeout+0x40/0x40
[  243.817299]  ? mark_held_locks+0xc7/0x130
[  243.821454]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.825959]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.830453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.834684]  ? lockdep_hardirqs_on+0x296/0x5b0
[  243.839271]  ? trace_hardirqs_on+0xbd/0x310
[  243.843594]  ? kasan_check_read+0x11/0x20
[  243.847741]  ? __run_timers+0x7da/0xc70
[  243.851716]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.856838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.861082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.865313]  __run_timers+0x7e5/0xc70
[  243.869132]  ? timer_fixup_init+0x70/0x70
[  243.873279]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.878294]  ? zap_class+0x640/0x640
[  243.882010]  ? print_usage_bug+0xc0/0xc0
[  243.886074]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.891263]  ? find_held_lock+0x36/0x1c0
[  243.895358]  ? zap_class+0x640/0x640
[  243.899105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.904644]  ? check_preemption_disabled+0x48/0x280
[  243.909664]  ? __lock_is_held+0xb5/0x140
[  243.913723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.919265]  ? check_preemption_disabled+0x48/0x280
[  243.924288]  run_timer_softirq+0x52/0xb0
[  243.928355]  ? rcu_read_lock_sched_held+0x14f/0x180
[  243.933407]  __do_softirq+0x308/0xb7e
[  243.937218]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  243.941717]  ? lock_downgrade+0x900/0x900
[  243.945876]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  243.951026]  ? pvclock_read_flags+0x160/0x160
[  243.955540]  ? lapic_next_event+0x5a/0x90
[  243.959704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.965252]  ? kvm_clock_read+0x18/0x30
[  243.969229]  ? kvm_sched_clock_read+0x9/0x20
[  243.973659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.979206]  ? check_preemption_disabled+0x48/0x280
[  243.984249]  irq_exit+0x17f/0x1c0
[  243.987711]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.992557]  ? smp_reschedule_interrupt+0x109/0x650
[  243.997586]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.003495]  ? interrupt_entry+0xb5/0xc0
[  244.007605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.012637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.017659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.022505]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.027554]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.032570]  ? task_prio+0x50/0x50
[  244.036120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.041660]  ? check_preemption_disabled+0x48/0x280
[  244.046685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.051537]  apic_timer_interrupt+0xf/0x20
[  244.055778]  </IRQ>
[  244.058023] RIP: 0010:dump_stack+0x358/0x39d
[  244.062443] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  244.081469] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  244.089183] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  244.096482] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  244.103755] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  244.111040] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  244.118333] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  244.125727]  ? dump_stack+0x34f/0x39d
[  244.129570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.134779]  ? mark_held_locks+0x130/0x130
[  244.139028]  ? mark_held_locks+0x130/0x130
[  244.143283]  dump_header+0x27b/0xf72
[  244.147020]  ? pagefault_out_of_memory+0x197/0x197
[  244.151969]  ? __lock_acquire+0x62f/0x4c20
[  244.156212]  ? percpu_ref_get_many+0x240/0x240
[  244.160804]  ? print_usage_bug+0xc0/0xc0
[  244.164872]  ? zap_class+0x640/0x640
[  244.168604]  ? print_usage_bug+0xc0/0xc0
[  244.172666]  ? print_usage_bug+0xc0/0xc0
[  244.176733]  ? zap_class+0x640/0x640
[  244.180456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.185998]  ? find_held_lock+0x36/0x1c0
[  244.190074]  ? mark_held_locks+0xc7/0x130
[  244.194231]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  244.199340]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  244.204450]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  244.209040]  ? trace_hardirqs_on+0xbd/0x310
[  244.213405]  ? kasan_check_read+0x11/0x20
[  244.217565]  ? ___ratelimit+0x3b4/0x672
[  244.221549]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.226670]  ? trace_hardirqs_on+0x310/0x310
[  244.231090]  ? lock_downgrade+0x900/0x900
[  244.235271]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.240395]  ? ___ratelimit+0x3b9/0x672
[  244.244391]  ? idr_get_free+0xf70/0xf70
[  244.248373]  ? find_held_lock+0x36/0x1c0
[  244.252453]  oom_kill_process.cold.27+0x10/0x903
[  244.257219]  ? zap_class+0x640/0x640
[  244.260937]  ? check_preemption_disabled+0x48/0x280
[  244.265965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.270926]  ? kasan_check_read+0x11/0x20
[  244.275081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.280367]  ? oom_evaluate_task+0x540/0x540
[  244.284779]  ? find_held_lock+0x36/0x1c0
[  244.288849]  ? out_of_memory+0x974/0x1430
[  244.293001]  ? lock_downgrade+0x900/0x900
[  244.297171]  ? check_preemption_disabled+0x48/0x280
[  244.302216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.307179]  ? kasan_check_read+0x11/0x20
[  244.311363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.316753]  ? rcu_softirq_qs+0x20/0x20
[  244.320738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.326279]  ? oom_evaluate_task+0x302/0x540
[  244.330711]  out_of_memory+0xa84/0x1430
[  244.334697]  ? oom_killer_disable+0x3a0/0x3a0
[  244.339201]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  244.344171]  ? __ww_mutex_check_waiters+0x160/0x160
[  244.349237]  __alloc_pages_slowpath+0x2354/0x2e10
[  244.354116]  ? warn_alloc+0x120/0x120
[  244.357921]  ? mark_held_locks+0x130/0x130
[  244.362170]  ? find_get_entry+0xaae/0x1120
[  244.366423]  ? filemap_map_pages+0x1a20/0x1a20
[  244.371032]  ? zap_class+0x640/0x640
[  244.374777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.380329]  ? check_preemption_disabled+0x48/0x280
[  244.385370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.390925]  ? should_fail+0x22d/0xd01
[  244.394933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.400056]  ? zap_class+0x640/0x640
[  244.403802]  ? __lock_is_held+0xb5/0x140
[  244.407876]  ? mark_held_locks+0x130/0x130
[  244.412133]  ? lock_release+0xa00/0xa00
[  244.416108]  ? perf_trace_sched_process_exec+0x860/0x860
[  244.421596]  ? xa_load+0x2ba/0x460
[  244.425148]  ? lock_downgrade+0x900/0x900
[  244.429308]  ? __might_sleep+0x95/0x190
[  244.433300]  __alloc_pages_nodemask+0xa80/0xde0
[  244.437985]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  244.443007]  ? __page_cache_alloc+0x191/0x5c0
[  244.447511]  ? xa_load+0x2e1/0x460
[  244.451094]  ? xa_clear_mark+0x40/0x40
[  244.454991]  ? zap_class+0x640/0x640
[  244.458722]  ? zap_class+0x640/0x640
[  244.462469]  ? zap_class+0x640/0x640
[  244.466195]  ? __do_page_cache_readahead+0x663/0x810
[  244.471349]  ? find_held_lock+0x36/0x1c0
[  244.475425]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  244.480975]  alloc_pages_current+0x173/0x350
[  244.485401]  __page_cache_alloc+0x38c/0x5c0
[  244.489723]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.494671]  ? kasan_check_read+0x11/0x20
[  244.498824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.504113]  ? generic_perform_write+0x6a0/0x6a0
[  244.508878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.514441]  ? check_preemption_disabled+0x48/0x280
[  244.519469]  filemap_fault+0x1595/0x25f0
[  244.523547]  ? __lock_page_or_retry+0xa00/0xa00
[  244.528230]  ? mark_held_locks+0x130/0x130
[  244.532514]  ? filemap_map_pages+0xd6b/0x1a20
[  244.537020]  ? lock_downgrade+0x900/0x900
[  244.541187]  ? check_preemption_disabled+0x48/0x280
[  244.546219]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.551158]  ? kasan_check_read+0x11/0x20
[  244.555315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.560858]  ? rcu_softirq_qs+0x20/0x20
[  244.564853]  ? filemap_map_pages+0xd92/0x1a20
[  244.569378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.574930]  ? find_get_entries_tag+0x1400/0x1400
[  244.579803]  ? __lock_acquire+0x62f/0x4c20
[  244.584061]  ? lock_acquire+0x1ed/0x520
[  244.588037]  ? ext4_filemap_fault+0x7a/0xad
[  244.592380]  ? lock_release+0xa00/0xa00
[  244.596359]  ? perf_trace_sched_process_exec+0x860/0x860
[  244.601845]  ? print_usage_bug+0xc0/0xc0
[  244.605929]  ? print_usage_bug+0xc0/0xc0
[  244.610005]  ? down_read+0x8d/0x120
[  244.613668]  ? ext4_filemap_fault+0x7a/0xad
[  244.618000]  ? __down_interruptible+0x700/0x700
[  244.622678]  ext4_filemap_fault+0x82/0xad
[  244.626833]  __do_fault+0x100/0x6b0
[  244.630467]  ? pmd_devmap_trans_unstable+0x220/0x220
[  244.635793]  ? mark_held_locks+0x130/0x130
[  244.640034]  ? mark_held_locks+0x130/0x130
[  244.644278]  ? find_held_lock+0x36/0x1c0
[  244.648347]  ? find_held_lock+0x36/0x1c0
[  244.652411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.657961]  __handle_mm_fault+0x3ea0/0x5be0
[  244.662394]  ? poll_select_copy_remaining+0x18c/0x6a0
[  244.667618]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  244.672520]  ? __might_fault+0x12b/0x1e0
[  244.676602]  ? lock_downgrade+0x900/0x900
[  244.680819]  ? zap_class+0x640/0x640
[  244.684535]  ? zap_class+0x640/0x640
[  244.688261]  ? find_held_lock+0x36/0x1c0
[  244.692459]  ? handle_mm_fault+0x42a/0xc70
[  244.696697]  ? lock_downgrade+0x900/0x900
[  244.700849]  ? check_preemption_disabled+0x48/0x280
[  244.705870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.710816]  ? kasan_check_read+0x11/0x20
[  244.714963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.720240]  ? rcu_softirq_qs+0x20/0x20
[  244.724218]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.729354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.734955]  ? check_preemption_disabled+0x48/0x280
[  244.739991]  handle_mm_fault+0x54f/0xc70
[  244.744071]  ? __handle_mm_fault+0x5be0/0x5be0
[  244.748674]  ? find_vma+0x34/0x190
[  244.752227]  __do_page_fault+0x5e8/0xe60
[  244.756301]  ? trace_hardirqs_off+0xb8/0x310
[  244.760736]  do_page_fault+0xf2/0x7e0
[  244.764543]  ? vmalloc_sync_all+0x30/0x30
[  244.768698]  ? error_entry+0x70/0xd0
[  244.772431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.777454]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.782395]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.787335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.792190]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.797225]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.802695]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.807726]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.812756]  ? page_fault+0x8/0x30
[  244.816305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.821221]  ? page_fault+0x8/0x30
[  244.824781]  page_fault+0x1e/0x30
[  244.828280] RIP: 0033:0x7fafaecd0dd3
[  244.832008] Code: Bad RIP value.
[  244.835373] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  244.840752] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  244.848023] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  244.855306] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  244.862589] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  244.869869] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  244.877211] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  244.877217] warn_alloc_show_mem: 1 callbacks suppressed
[  244.877224] Mem-Info:
[  244.884279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.889675] active_anon:50685 inactive_anon:189 isolated_anon:0
[  244.889675]  active_file:14 inactive_file:14 isolated_file:0
[  244.889675]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.889675]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  244.889675]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  244.889675]  free:13759 free_pcp:552 free_cma:0
[  244.892055] Call Trace:
[  244.901477] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.934346]  <IRQ>
[  244.936922] 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
[  244.964365]  dump_stack+0x244/0x39d
[  244.966498] lowmem_reserve[]: 0 2818 6321 6321
[  244.992631]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.996229] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  245.000838]  warn_alloc.cold.116+0xb7/0x1bd
[  245.005983] lowmem_reserve[]: 0 0 3503 3503
[  245.033617]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.037917] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  245.042245]  ? lock_downgrade+0x900/0x900
[  245.047061] lowmem_reserve[]: 0 0 0 0
[  245.076146]  ? trace_hardirqs_off+0xb8/0x310
[  245.080268] 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
[  245.084069]  ? trace_hardirqs_off+0xb8/0x310
[  245.088454] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  245.102003]  __alloc_pages_slowpath+0x26e8/0x2e10
[  245.106397] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  245.121776]  ? warn_alloc+0x120/0x120
[  245.126598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  245.141701]  ? print_usage_bug+0xc0/0xc0
[  245.145489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  245.154328]  ? warn_alloc+0x120/0x120
[  245.158371] 272 total pagecache pages
[  245.166950]  ? warn_alloc+0x120/0x120
[  245.170738] 0 pages in swap cache
[  245.174532]  ? print_usage_bug+0xc0/0xc0
[  245.178308] Swap cache stats: add 0, delete 0, find 0/0
[  245.181755]  ? kvm_clock_read+0x18/0x30
[  245.185792] Free swap  = 0kB
[  245.191157]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  245.195117] Total swap = 0kB
[  245.198148]  ? print_usage_bug+0xc0/0xc0
[  245.203137] 1965979 pages RAM
[  245.206155]  ? __lock_acquire+0x62f/0x4c20
[  245.210201] 0 pages HighMem/MovableOnly
[  245.213310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.217515] 342853 pages reserved
[  245.217523] 0 pages cma reserved
[  245.221495]  ? should_fail+0x22d/0xd01
[  245.227091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.230456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.233925] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.237682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.244151] init cpuset=/ mems_allowed=0
[  245.249431]  ? __lock_acquire+0x62f/0x4c20
[  245.272499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.277624]  ? __lock_acquire+0x62f/0x4c20
[  245.281862]  ? should_fail+0x22d/0xd01
[  245.285747]  ? rcu_irq_exit+0x1a2/0x390
[  245.289759]  ? mark_held_locks+0x130/0x130
[  245.294010]  ? mark_held_locks+0x130/0x130
[  245.298274]  ? mark_held_locks+0xc7/0x130
[  245.302454]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  245.307477]  ? zap_class+0x640/0x640
[  245.311193]  ? print_usage_bug+0xc0/0xc0
[  245.315262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.320806]  ? check_preemption_disabled+0x48/0x280
[  245.325870]  ? __lock_is_held+0xb5/0x140
[  245.329941]  __alloc_pages_nodemask+0xa80/0xde0
[  245.334648]  ? zap_class+0x640/0x640
[  245.338367]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  245.343395]  ? find_held_lock+0x36/0x1c0
[  245.347470]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.352160]  ? lock_downgrade+0x900/0x900
[  245.356348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.361943]  cache_grow_begin+0xa5/0x8c0
[  245.366031]  ? do_raw_spin_unlock+0xa7/0x330
[  245.370456]  fallback_alloc+0x204/0x2e0
[  245.374446]  ____cache_alloc_node+0x1c7/0x1e0
[  245.378948]  kmem_cache_alloc_node+0xe3/0x730
[  245.383463]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.387711]  __alloc_skb+0x119/0x770
[  245.391430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.396715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  245.401133]  ? lock_downgrade+0x900/0x900
[  245.405298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.410849]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.416314]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.421775]  ? addrconf_rs_timer+0x690/0x690
[  245.426210]  ndisc_alloc_skb+0x144/0x340
[  245.430280]  ndisc_send_rs+0x331/0x6e0
[  245.434188]  addrconf_rs_timer+0x314/0x690
[  245.438440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.442689]  call_timer_fn+0x272/0x920
[  245.446612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.450861]  ? process_timeout+0x40/0x40
[  245.454937]  ? mark_held_locks+0xc7/0x130
[  245.459091]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.463633]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.468139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.472385]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.476973]  ? trace_hardirqs_on+0xbd/0x310
[  245.481312]  ? kasan_check_read+0x11/0x20
[  245.485475]  ? __run_timers+0x7da/0xc70
[  245.489451]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.494564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.498836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.503083]  __run_timers+0x7e5/0xc70
[  245.506902]  ? timer_fixup_init+0x70/0x70
[  245.511065]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.516102]  ? zap_class+0x640/0x640
[  245.519827]  ? print_usage_bug+0xc0/0xc0
[  245.523906]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.529125]  ? find_held_lock+0x36/0x1c0
[  245.533208]  ? zap_class+0x640/0x640
[  245.536935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.542497]  ? check_preemption_disabled+0x48/0x280
[  245.547543]  ? __lock_is_held+0xb5/0x140
[  245.551625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.557184]  ? check_preemption_disabled+0x48/0x280
[  245.562209]  run_timer_softirq+0x52/0xb0
[  245.566294]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.571378]  __do_softirq+0x308/0xb7e
[  245.575199]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.579706]  ? lock_downgrade+0x900/0x900
[  245.583878]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.588988]  ? pvclock_read_flags+0x160/0x160
[  245.593496]  ? lapic_next_event+0x5a/0x90
[  245.597667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.603213]  ? kvm_clock_read+0x18/0x30
[  245.607192]  ? kvm_sched_clock_read+0x9/0x20
[  245.611613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.617174]  ? check_preemption_disabled+0x48/0x280
[  245.622221]  irq_exit+0x17f/0x1c0
[  245.625688]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.630537]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.636454]  ? interrupt_entry+0xb5/0xc0
[  245.640524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.645547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.650588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.655449]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.660469]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.665499]  ? task_prio+0x50/0x50
[  245.669055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.674632]  ? check_preemption_disabled+0x48/0x280
[  245.679661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.684517]  apic_timer_interrupt+0xf/0x20
[  245.688764]  </IRQ>
[  245.691019] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  245.696129] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  245.715029] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.722744] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  245.730010] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  245.737309] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  245.744582] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  245.751872] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  245.759185]  shrink_active_list+0x14eb/0x1f00
[  245.763717]  ? shrink_inactive_list+0x1c60/0x1c60
[  245.768567]  ? trace_hardirqs_on+0xbd/0x310
[  245.772896]  ? shrink_inactive_list+0xa4a/0x1c60
[  245.777683]  ? mark_held_locks+0x130/0x130
[  245.781924]  ? __lock_acquire+0x62f/0x4c20
[  245.786182]  ? print_usage_bug+0xc0/0xc0
[  245.790256]  ? mark_held_locks+0x130/0x130
[  245.794602]  ? mark_held_locks+0x130/0x130
[  245.798852]  ? print_usage_bug+0xc0/0xc0
[  245.802935]  ? __lock_acquire+0x62f/0x4c20
[  245.807174]  ? zap_class+0x640/0x640
[  245.810907]  ? zap_class+0x640/0x640
[  245.814648]  ? mark_held_locks+0x130/0x130
[  245.818897]  ? zap_class+0x640/0x640
[  245.822636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.828185]  ? check_preemption_disabled+0x48/0x280
[  245.833227]  ? __lock_is_held+0xb5/0x140
[  245.837310]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.842345]  ? inactive_list_is_low+0x305/0x880
[  245.847029]  ? lruvec_lru_size+0x450/0x450
[  245.851298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.856859]  ? lruvec_lru_size+0x2ab/0x450
[  245.861125]  ? percpu_ref_put_many+0x13e/0x260
[  245.865731]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  245.870695]  ? find_held_lock+0x36/0x1c0
[  245.874770]  shrink_node_memcg+0x803/0x18f0
[  245.879111]  ? shrink_active_list+0x1f00/0x1f00
[  245.883788]  ? lock_downgrade+0x900/0x900
[  245.887961]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.893081]  ? cgroup_procs_write_finish+0xf0/0xf0
[  245.898022]  ? _raw_spin_unlock+0x2c/0x50
[  245.902217]  shrink_node+0x3bc/0x16b0
[  245.906078]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  245.911396]  ? shrink_node_memcg+0x18f0/0x18f0
[  245.915997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  245.920596]  ? trace_hardirqs_on+0xbd/0x310
[  245.924921]  ? vmpressure+0x271/0x340
[  245.928738]  ? do_raw_spin_unlock+0xa7/0x330
[  245.933144]  ? do_raw_spin_trylock+0x270/0x270
[  245.937751]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.943293]  ? __cpuset_node_allowed+0x19b/0x660
[  245.948106]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  245.953825]  ? vmpressure+0x1a2/0x340
[  245.957638]  do_try_to_free_pages+0x3e7/0x1290
[  245.962224]  ? zap_class+0x640/0x640
[  245.965954]  ? shrink_node+0x16b0/0x16b0
[  245.970025]  ? __lock_is_held+0xb5/0x140
[  245.974128]  try_to_free_pages+0x4d0/0xb90
[  245.978371]  ? do_try_to_free_pages+0x1290/0x1290
[  245.983225]  ? lock_acquire+0x1ed/0x520
[  245.987204]  ? set_page_refcounted+0x280/0x280
[  245.991797]  ? lock_release+0xa00/0xa00
[  245.995777]  ? _raw_spin_unlock_irq+0x60/0x80
[  246.000273]  ? psi_memstall_enter+0x240/0x2b0
[  246.004810]  ? psi_memstall_tick+0x230/0x230
[  246.009290]  __alloc_pages_slowpath+0xa14/0x2e10
[  246.014090]  ? warn_alloc+0x120/0x120
[  246.017899]  ? mark_held_locks+0x130/0x130
[  246.022148]  ? find_get_entry+0xaae/0x1120
[  246.026429]  ? filemap_map_pages+0x1a20/0x1a20
[  246.031031]  ? zap_class+0x640/0x640
[  246.034760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.040302]  ? check_preemption_disabled+0x48/0x280
[  246.045342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.050883]  ? should_fail+0x22d/0xd01
[  246.054774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.059880]  ? zap_class+0x640/0x640
[  246.063635]  ? __lock_is_held+0xb5/0x140
[  246.067720]  ? mark_held_locks+0x130/0x130
[  246.071959]  ? lock_release+0xa00/0xa00
[  246.075936]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.081388]  ? xa_load+0x2ba/0x460
[  246.084934]  ? lock_downgrade+0x900/0x900
[  246.089102]  ? __might_sleep+0x95/0x190
[  246.093117]  __alloc_pages_nodemask+0xa80/0xde0
[  246.097857]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.102879]  ? __page_cache_alloc+0x191/0x5c0
[  246.107377]  ? xa_load+0x2e1/0x460
[  246.110925]  ? xa_clear_mark+0x40/0x40
[  246.114818]  ? zap_class+0x640/0x640
[  246.118544]  ? zap_class+0x640/0x640
[  246.122263]  ? zap_class+0x640/0x640
[  246.125986]  ? __do_page_cache_readahead+0x663/0x810
[  246.131107]  ? find_held_lock+0x36/0x1c0
[  246.135194]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  246.140744]  alloc_pages_current+0x173/0x350
[  246.145180]  __page_cache_alloc+0x38c/0x5c0
[  246.149518]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.154450]  ? kasan_check_read+0x11/0x20
[  246.158603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.163885]  ? generic_perform_write+0x6a0/0x6a0
[  246.168655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.174201]  ? check_preemption_disabled+0x48/0x280
[  246.179234]  filemap_fault+0x1595/0x25f0
[  246.183311]  ? __lock_page_or_retry+0xa00/0xa00
[  246.187985]  ? mark_held_locks+0x130/0x130
[  246.192232]  ? filemap_map_pages+0xd6b/0x1a20
[  246.196752]  ? lock_downgrade+0x900/0x900
[  246.200919]  ? check_preemption_disabled+0x48/0x280
[  246.205941]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.210887]  ? kasan_check_read+0x11/0x20
[  246.215090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.220373]  ? rcu_softirq_qs+0x20/0x20
[  246.224366]  ? filemap_map_pages+0xd92/0x1a20
[  246.228880]  ? print_usage_bug+0xc0/0xc0
[  246.232949]  ? find_get_entries_tag+0x1400/0x1400
[  246.237794]  ? __kasan_slab_free+0x102/0x150
[  246.242210]  ? kasan_slab_free+0xe/0x10
[  246.246187]  ? kmem_cache_free+0x83/0x290
[  246.250339]  ? __sigqueue_free.part.29+0x74/0x90
[  246.255146]  ? lock_acquire+0x1ed/0x520
[  246.259164]  ? ext4_filemap_fault+0x7a/0xad
[  246.263497]  ? lock_release+0xa00/0xa00
[  246.267473]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.272934]  ? print_usage_bug+0xc0/0xc0
[  246.276996]  ? print_usage_bug+0xc0/0xc0
[  246.281096]  ? down_read+0x8d/0x120
[  246.284738]  ? ext4_filemap_fault+0x7a/0xad
[  246.289071]  ? __down_interruptible+0x700/0x700
[  246.293750]  ext4_filemap_fault+0x82/0xad
[  246.297919]  __do_fault+0x100/0x6b0
[  246.301550]  ? pmd_devmap_trans_unstable+0x220/0x220
[  246.306685]  ? mark_held_locks+0x130/0x130
[  246.310921]  ? mark_held_locks+0x130/0x130
[  246.315166]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  246.320737]  ? rcu_pm_notify+0xc0/0xc0
[  246.324700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.330261]  __handle_mm_fault+0x3ea0/0x5be0
[  246.334683]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  246.339524]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.344063]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.348654]  ? trace_hardirqs_on+0xbd/0x310
[  246.352993]  ? kasan_check_read+0x11/0x20
[  246.357145]  ? __set_current_blocked+0xdf/0x120
[  246.361827]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.366948]  ? zap_class+0x640/0x640
[  246.370670]  ? zap_class+0x640/0x640
[  246.374404]  ? find_held_lock+0x36/0x1c0
[  246.378481]  ? handle_mm_fault+0x42a/0xc70
[  246.382720]  ? lock_downgrade+0x900/0x900
[  246.386874]  ? check_preemption_disabled+0x48/0x280
[  246.391897]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.396835]  ? kasan_check_read+0x11/0x20
[  246.400983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.406260]  ? rcu_softirq_qs+0x20/0x20
[  246.410237]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.415353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.420900]  ? check_preemption_disabled+0x48/0x280
[  246.425927]  handle_mm_fault+0x54f/0xc70
[  246.430011]  ? __handle_mm_fault+0x5be0/0x5be0
[  246.434637]  ? find_vma+0x34/0x190
[  246.438186]  __do_page_fault+0x5e8/0xe60
[  246.442515]  ? exit_to_usermode_loop+0x1f4/0x380
[  246.447282]  do_page_fault+0xf2/0x7e0
[  246.451089]  ? vmalloc_sync_all+0x30/0x30
[  246.455260]  ? error_entry+0x70/0xd0
[  246.458984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.464010]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.468945]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.473879]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.478735]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.483754]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.489215]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.494235]  ? page_fault+0x8/0x30
[  246.497807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.502672]  ? page_fault+0x8/0x30
[  246.506215]  page_fault+0x1e/0x30
[  246.509673] RIP: 0033:0x45db60
[  246.512883] Code: Bad RIP value.
[  246.516246] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  246.521612] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  246.528879] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  246.536152] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  246.543439] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  246.550719] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  246.558197] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  246.558354] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.564450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.564456] Call Trace:
[  246.564463]  <IRQ>
[  246.564488]  dump_stack+0x244/0x39d
[  246.564505]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.571060] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.580360]  warn_alloc.cold.116+0xb7/0x1bd
[  246.582913] syz-fuzzer cpuset=/ mems_allowed=0
[  246.585068]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.617827]  ? lock_downgrade+0x900/0x900
[  246.621991]  ? trace_hardirqs_off+0xb8/0x310
[  246.626413]  ? trace_hardirqs_off+0xb8/0x310
[  246.630840]  __alloc_pages_slowpath+0x26e8/0x2e10
[  246.635738]  ? warn_alloc+0x120/0x120
[  246.639553]  ? print_usage_bug+0xc0/0xc0
[  246.643625]  ? warn_alloc+0x120/0x120
[  246.647456]  ? warn_alloc+0x120/0x120
[  246.651262]  ? print_usage_bug+0xc0/0xc0
[  246.655368]  ? kvm_clock_read+0x18/0x30
[  246.659352]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  246.664383]  ? print_usage_bug+0xc0/0xc0
[  246.668443]  ? __lock_acquire+0x62f/0x4c20
[  246.672705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.678253]  ? should_fail+0x22d/0xd01
[  246.682139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.687417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.692694]  ? __lock_acquire+0x62f/0x4c20
[  246.696930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.702131]  ? __lock_acquire+0x62f/0x4c20
[  246.706366]  ? should_fail+0x22d/0xd01
[  246.710250]  ? rcu_irq_exit+0x1a2/0x390
[  246.714237]  ? mark_held_locks+0x130/0x130
[  246.718480]  ? mark_held_locks+0x130/0x130
[  246.722729]  ? mark_held_locks+0xc7/0x130
[  246.726888]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  246.731910]  ? zap_class+0x640/0x640
[  246.735695]  ? print_usage_bug+0xc0/0xc0
[  246.739778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.745329]  ? check_preemption_disabled+0x48/0x280
[  246.750371]  ? __lock_is_held+0xb5/0x140
[  246.754476]  __alloc_pages_nodemask+0xa80/0xde0
[  246.759154]  ? zap_class+0x640/0x640
[  246.762876]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.767923]  ? find_held_lock+0x36/0x1c0
[  246.772021]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.776709]  ? lock_downgrade+0x900/0x900
[  246.780873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.786421]  cache_grow_begin+0xa5/0x8c0
[  246.790491]  ? do_raw_spin_unlock+0xa7/0x330
[  246.794931]  fallback_alloc+0x204/0x2e0
[  246.798917]  ____cache_alloc_node+0x1c7/0x1e0
[  246.803423]  kmem_cache_alloc_node+0xe3/0x730
[  246.807926]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.812176]  __alloc_skb+0x119/0x770
[  246.815896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.821183]  ? netdev_alloc_frag+0x1f0/0x1f0
[  246.825595]  ? lock_downgrade+0x900/0x900
[  246.829757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.835304]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.840773]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.846231]  ? addrconf_rs_timer+0x690/0x690
[  246.850655]  ndisc_alloc_skb+0x144/0x340
[  246.854744]  ndisc_send_rs+0x331/0x6e0
[  246.858654]  addrconf_rs_timer+0x314/0x690
[  246.862902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.867152]  call_timer_fn+0x272/0x920
[  246.871054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.875293]  ? process_timeout+0x40/0x40
[  246.879369]  ? mark_held_locks+0xc7/0x130
[  246.883526]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.888040]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.892568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.896813]  ? lockdep_hardirqs_on+0x296/0x5b0
[  246.901405]  ? trace_hardirqs_on+0xbd/0x310
[  246.905748]  ? kasan_check_read+0x11/0x20
[  246.909911]  ? __run_timers+0x7da/0xc70
[  246.913889]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.919001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.923299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.927542]  __run_timers+0x7e5/0xc70
[  246.931358]  ? timer_fixup_init+0x70/0x70
[  246.935525]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  246.940564]  ? zap_class+0x640/0x640
[  246.944286]  ? print_usage_bug+0xc0/0xc0
[  246.948375]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  246.953619]  ? find_held_lock+0x36/0x1c0
[  246.957688]  ? zap_class+0x640/0x640
[  246.961417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.966958]  ? check_preemption_disabled+0x48/0x280
[  246.971993]  ? __lock_is_held+0xb5/0x140
[  246.976077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.981621]  ? check_preemption_disabled+0x48/0x280
[  246.986650]  run_timer_softirq+0x52/0xb0
[  246.990726]  ? rcu_read_lock_sched_held+0x14f/0x180
[  246.995746]  __do_softirq+0x308/0xb7e
[  246.999557]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.004068]  ? lock_downgrade+0x900/0x900
[  247.008234]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.013363]  ? pvclock_read_flags+0x160/0x160
[  247.017887]  ? lapic_next_event+0x5a/0x90
[  247.022063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.027622]  ? kvm_clock_read+0x18/0x30
[  247.031614]  ? kvm_sched_clock_read+0x9/0x20
[  247.036029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.041586]  ? check_preemption_disabled+0x48/0x280
[  247.046622]  irq_exit+0x17f/0x1c0
[  247.050110]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.054957]  ? smp_reschedule_interrupt+0x109/0x650
[  247.059976]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.065871]  ? interrupt_entry+0xb5/0xc0
[  247.069936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.074956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.079975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.084821]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.089845]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.094865]  ? task_prio+0x50/0x50
[  247.098414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.103959]  ? check_preemption_disabled+0x48/0x280
[  247.108991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.113846]  apic_timer_interrupt+0xf/0x20
[  247.118075]  </IRQ>
[  247.120314] RIP: 0010:dump_stack+0x358/0x39d
[  247.124727] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  247.143623] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  247.151352] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  247.158615] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  247.165884] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  247.173150] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  247.180454] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  247.187738]  ? dump_stack+0x34f/0x39d
[  247.191571]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.196770]  ? mark_held_locks+0x130/0x130
[  247.201016]  ? mark_held_locks+0x130/0x130
[  247.205256]  dump_header+0x27b/0xf72
[  247.208987]  ? pagefault_out_of_memory+0x197/0x197
[  247.213925]  ? __lock_acquire+0x62f/0x4c20
[  247.218161]  ? percpu_ref_get_many+0x240/0x240
[  247.222750]  ? print_usage_bug+0xc0/0xc0
[  247.226830]  ? zap_class+0x640/0x640
[  247.230562]  ? print_usage_bug+0xc0/0xc0
[  247.234622]  ? print_usage_bug+0xc0/0xc0
[  247.238684]  ? zap_class+0x640/0x640
[  247.242416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.247956]  ? find_held_lock+0x36/0x1c0
[  247.252031]  ? mark_held_locks+0xc7/0x130
[  247.256207]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  247.261331]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  247.266434]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  247.271020]  ? trace_hardirqs_on+0xbd/0x310
[  247.275354]  ? kasan_check_read+0x11/0x20
[  247.279498]  ? ___ratelimit+0x3b4/0x672
[  247.283471]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.288587]  ? trace_hardirqs_on+0x310/0x310
[  247.293009]  ? lock_downgrade+0x900/0x900
[  247.297156]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.302259]  ? ___ratelimit+0x3b9/0x672
[  247.306232]  ? idr_get_free+0xf70/0xf70
[  247.310213]  ? find_held_lock+0x36/0x1c0
[  247.314328]  oom_kill_process.cold.27+0x10/0x903
[  247.319101]  ? zap_class+0x640/0x640
[  247.322816]  ? check_preemption_disabled+0x48/0x280
[  247.327832]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  247.332763]  ? kasan_check_read+0x11/0x20
[  247.336908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.342203]  ? oom_evaluate_task+0x540/0x540
[  247.346619]  ? find_held_lock+0x36/0x1c0
[  247.350708]  ? out_of_memory+0x974/0x1430
[  247.354856]  ? lock_downgrade+0x900/0x900
[  247.359009]  ? check_preemption_disabled+0x48/0x280
[  247.364025]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  247.368956]  ? kasan_check_read+0x11/0x20
[  247.373102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.378376]  ? rcu_softirq_qs+0x20/0x20
[  247.382371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.387939]  ? oom_evaluate_task+0x302/0x540
[  247.392355]  out_of_memory+0xa84/0x1430
[  247.396343]  ? oom_killer_disable+0x3a0/0x3a0
[  247.400841]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  247.405777]  ? __ww_mutex_check_waiters+0x160/0x160
[  247.410809]  __alloc_pages_slowpath+0x2354/0x2e10
[  247.415694]  ? warn_alloc+0x120/0x120
[  247.419491]  ? mark_held_locks+0x130/0x130
[  247.423735]  ? find_get_entry+0xaae/0x1120
[  247.427984]  ? filemap_map_pages+0x1a20/0x1a20
[  247.432572]  ? zap_class+0x640/0x640
[  247.436289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.441846]  ? check_preemption_disabled+0x48/0x280
[  247.446891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.452434]  ? should_fail+0x22d/0xd01
[  247.456333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.461444]  ? zap_class+0x640/0x640
[  247.465186]  ? __lock_is_held+0xb5/0x140
[  247.469267]  ? mark_held_locks+0x130/0x130
[  247.473508]  ? lock_release+0xa00/0xa00
[  247.477501]  ? perf_trace_sched_process_exec+0x860/0x860
[  247.482954]  ? xa_load+0x2ba/0x460
[  247.486499]  ? lock_downgrade+0x900/0x900
[  247.490652]  ? __might_sleep+0x95/0x190
[  247.494631]  __alloc_pages_nodemask+0xa80/0xde0
[  247.499309]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  247.504339]  ? __page_cache_alloc+0x191/0x5c0
[  247.508850]  ? xa_load+0x2e1/0x460
[  247.512389]  ? xa_clear_mark+0x40/0x40
[  247.516289]  ? zap_class+0x640/0x640
[  247.520014]  ? zap_class+0x640/0x640
[  247.523727]  ? zap_class+0x640/0x640
[  247.527442]  ? __do_page_cache_readahead+0x663/0x810
[  247.532561]  ? find_held_lock+0x36/0x1c0
[  247.536628]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  247.542189]  alloc_pages_current+0x173/0x350
[  247.546613]  __page_cache_alloc+0x38c/0x5c0
[  247.550932]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  247.555865]  ? kasan_check_read+0x11/0x20
[  247.560022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.565308]  ? generic_perform_write+0x6a0/0x6a0
[  247.570072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.575609]  ? check_preemption_disabled+0x48/0x280
[  247.580632]  filemap_fault+0x1595/0x25f0
[  247.584705]  ? __lock_page_or_retry+0xa00/0xa00
[  247.589389]  ? mark_held_locks+0x130/0x130
[  247.593641]  ? filemap_map_pages+0xd6b/0x1a20
[  247.598154]  ? lock_downgrade+0x900/0x900
[  247.602303]  ? check_preemption_disabled+0x48/0x280
[  247.607373]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  247.612301]  ? kasan_check_read+0x11/0x20
[  247.616454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.621756]  ? rcu_softirq_qs+0x20/0x20
[  247.625751]  ? filemap_map_pages+0xd92/0x1a20
[  247.630248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.635787]  ? find_get_entries_tag+0x1400/0x1400
[  247.640633]  ? __lock_acquire+0x62f/0x4c20
[  247.644922]  ? lock_acquire+0x1ed/0x520
[  247.648901]  ? ext4_filemap_fault+0x7a/0xad
[  247.653243]  ? lock_release+0xa00/0xa00
[  247.657213]  ? perf_trace_sched_process_exec+0x860/0x860
[  247.662662]  ? print_usage_bug+0xc0/0xc0
[  247.666728]  ? print_usage_bug+0xc0/0xc0
[  247.670824]  ? down_read+0x8d/0x120
[  247.674451]  ? ext4_filemap_fault+0x7a/0xad
[  247.678779]  ? __down_interruptible+0x700/0x700
[  247.683460]  ext4_filemap_fault+0x82/0xad
[  247.687612]  __do_fault+0x100/0x6b0
[  247.691245]  ? pmd_devmap_trans_unstable+0x220/0x220
[  247.696379]  ? mark_held_locks+0x130/0x130
[  247.700637]  ? mark_held_locks+0x130/0x130
[  247.704861]  ? find_held_lock+0x36/0x1c0
[  247.708924]  ? find_held_lock+0x36/0x1c0
[  247.712991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.718545]  __handle_mm_fault+0x3ea0/0x5be0
[  247.722952]  ? poll_select_copy_remaining+0x18c/0x6a0
[  247.728161]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  247.733013]  ? __might_fault+0x12b/0x1e0
[  247.737078]  ? lock_downgrade+0x900/0x900
[  247.741240]  ? zap_class+0x640/0x640
[  247.744956]  ? zap_class+0x640/0x640
[  247.748683]  ? find_held_lock+0x36/0x1c0
[  247.752759]  ? handle_mm_fault+0x42a/0xc70
[  247.757003]  ? lock_downgrade+0x900/0x900
[  247.761159]  ? check_preemption_disabled+0x48/0x280
[  247.766188]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  247.771138]  ? kasan_check_read+0x11/0x20
[  247.775295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.780583]  ? rcu_softirq_qs+0x20/0x20
[  247.784561]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.789674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.795225]  ? check_preemption_disabled+0x48/0x280
[  247.800263]  handle_mm_fault+0x54f/0xc70
[  247.804358]  ? __handle_mm_fault+0x5be0/0x5be0
[  247.808969]  ? find_vma+0x34/0x190
[  247.812534]  __do_page_fault+0x5e8/0xe60
[  247.816613]  ? trace_hardirqs_off+0xb8/0x310
[  247.821035]  do_page_fault+0xf2/0x7e0
[  247.824900]  ? vmalloc_sync_all+0x30/0x30
[  247.829063]  ? error_entry+0x70/0xd0
[  247.832844]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.837879]  ? trace_hardirqs_on_caller+0xc0/0x310
[  247.842833]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.847764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.852619]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.857637]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.863104]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.868140]  ? prepare_exit_to_usermode+0x291/0x3b0
[  247.873190]  ? page_fault+0x8/0x30
[  247.876732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.881580]  ? page_fault+0x8/0x30
[  247.885121]  page_fault+0x1e/0x30
[  247.888573] RIP: 0033:0x7fafaecd0dd3
[  247.892295] Code: Bad RIP value.
[  247.895663] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  247.901026] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  247.908302] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  247.915586] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  247.922868] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  247.930157] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  247.937469] warn_alloc_show_mem: 1 callbacks suppressed
[  247.937483] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  247.937485] Mem-Info:
[  247.937517] active_anon:50685 inactive_anon:189 isolated_anon:0
[  247.937517]  active_file:14 inactive_file:14 isolated_file:0
[  247.937517]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.937517]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  247.937517]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  247.937517]  free:13759 free_pcp:552 free_cma:0
[  247.942873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.949897] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.952297] Call Trace:
[  247.985212] 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
[  247.994583]  <IRQ>
[  248.022006] lowmem_reserve[]: 0 2818 6321 6321
[  248.024604]  dump_stack+0x244/0x39d
[  248.050699] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  248.052878]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.057422] lowmem_reserve[]: 0 0 3503 3503
[  248.061085]  warn_alloc.cold.116+0xb7/0x1bd
[  248.088650] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  248.093868]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.098276] lowmem_reserve[]: 0 0 0 0
[  248.102614]  ? lock_downgrade+0x900/0x900
[  248.131685] 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
[  248.136547]  ? trace_hardirqs_off+0xb8/0x310
[  248.140323] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  248.144476]  ? trace_hardirqs_off+0xb8/0x310
[  248.157988] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  248.162419]  __alloc_pages_slowpath+0x26e8/0x2e10
[  248.177758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.182198]  ? warn_alloc+0x120/0x120
[  248.197256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.202137]  ? print_usage_bug+0xc0/0xc0
[  248.210950] 272 total pagecache pages
[  248.214784]  ? warn_alloc+0x120/0x120
[  248.223354] 0 pages in swap cache
[  248.227471]  ? warn_alloc+0x120/0x120
[  248.231252] Swap cache stats: add 0, delete 0, find 0/0
[  248.235053]  ? print_usage_bug+0xc0/0xc0
[  248.238483] Free swap  = 0kB
[  248.242286]  ? print_usage_bug+0xc0/0xc0
[  248.247621] Total swap = 0kB
[  248.247631] 1965979 pages RAM
[  248.251697]  ? __lock_acquire+0x62f/0x4c20
[  248.254689] 0 pages HighMem/MovableOnly
[  248.258754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.261737] 342853 pages reserved
[  248.264847]  ? should_fail+0x22d/0xd01
[  248.269059] 0 pages cma reserved
[  248.273038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.278681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.282030]  ? __lock_acquire+0x62f/0x4c20
[  248.282060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.282076]  ? __lock_acquire+0x62f/0x4c20
[  248.286027] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.289318]  ? should_fail+0x22d/0xd01
[  248.294404] init cpuset=/ mems_allowed=0
[  248.300937]  ? find_held_lock+0x36/0x1c0
[  248.336213]  ? mark_held_locks+0x130/0x130
[  248.340474]  ? mark_held_locks+0x130/0x130
[  248.344719]  ? zap_class+0x640/0x640
[  248.348445]  ? zap_class+0x640/0x640
[  248.352175]  ? print_usage_bug+0xc0/0xc0
[  248.356239]  ? do_raw_spin_unlock+0xa7/0x330
[  248.360656]  ? zap_class+0x640/0x640
[  248.364375]  ? print_usage_bug+0xc0/0xc0
[  248.368441]  ? wq_watchdog_touch+0x9c/0xfe
[  248.372699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.378263]  ? check_preemption_disabled+0x48/0x280
[  248.383334]  ? __lock_is_held+0xb5/0x140
[  248.387408]  __alloc_pages_nodemask+0xa80/0xde0
[  248.392135]  ? zap_class+0x640/0x640
[  248.395873]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.400907]  ? find_held_lock+0x36/0x1c0
[  248.405001]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.409678]  ? lock_downgrade+0x900/0x900
[  248.413845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.419443]  cache_grow_begin+0xa5/0x8c0
[  248.423513]  ? do_raw_spin_unlock+0xa7/0x330
[  248.427936]  fallback_alloc+0x204/0x2e0
[  248.431929]  ____cache_alloc_node+0x1c7/0x1e0
[  248.436439]  kmem_cache_alloc_node+0xe3/0x730
[  248.440944]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.445197]  __alloc_skb+0x119/0x770
[  248.448914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.454203]  ? netdev_alloc_frag+0x1f0/0x1f0
[  248.458629]  ? lock_downgrade+0x900/0x900
[  248.462816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.468373]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.473839]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.479297]  ? addrconf_rs_timer+0x690/0x690
[  248.483741]  ndisc_alloc_skb+0x144/0x340
[  248.487809]  ndisc_send_rs+0x331/0x6e0
[  248.491728]  addrconf_rs_timer+0x314/0x690
[  248.495972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.500223]  call_timer_fn+0x272/0x920
[  248.504134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.508376]  ? process_timeout+0x40/0x40
[  248.512452]  ? mark_held_locks+0xc7/0x130
[  248.516602]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.521101]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.525605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.529855]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.534462]  ? trace_hardirqs_on+0xbd/0x310
[  248.538787]  ? kasan_check_read+0x11/0x20
[  248.542960]  ? __run_timers+0x7da/0xc70
[  248.546949]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.552069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.556315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.560755]  __run_timers+0x7e5/0xc70
[  248.564566]  ? timer_fixup_init+0x70/0x70
[  248.568711]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.573723]  ? zap_class+0x640/0x640
[  248.577455]  ? print_usage_bug+0xc0/0xc0
[  248.581524]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.586746]  ? find_held_lock+0x36/0x1c0
[  248.590823]  ? zap_class+0x640/0x640
[  248.594552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.600104]  ? check_preemption_disabled+0x48/0x280
[  248.605192]  ? __lock_is_held+0xb5/0x140
[  248.609283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.614835]  ? check_preemption_disabled+0x48/0x280
[  248.619865]  run_timer_softirq+0x52/0xb0
[  248.623935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  248.628957]  __do_softirq+0x308/0xb7e
[  248.632765]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  248.637263]  ? lock_downgrade+0x900/0x900
[  248.641425]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  248.646585]  ? pvclock_read_flags+0x160/0x160
[  248.651087]  ? lapic_next_event+0x5a/0x90
[  248.655235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.660773]  ? kvm_clock_read+0x18/0x30
[  248.664758]  ? kvm_sched_clock_read+0x9/0x20
[  248.669175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.674743]  ? check_preemption_disabled+0x48/0x280
[  248.679760]  irq_exit+0x17f/0x1c0
[  248.683220]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.688067]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.694444]  ? interrupt_entry+0xb5/0xc0
[  248.698524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.703540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.708556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.713395]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.718438]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.723451]  ? task_prio+0x50/0x50
[  248.726990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.732555]  ? check_preemption_disabled+0x48/0x280
[  248.737600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.742443]  apic_timer_interrupt+0xf/0x20
[  248.746678]  </IRQ>
[  248.748908] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  248.754057] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  248.772987] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  248.780694] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  248.787959] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  248.795226] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  248.802491] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  248.809775] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  248.817106]  shrink_active_list+0x14eb/0x1f00
[  248.821618]  ? shrink_inactive_list+0x1c60/0x1c60
[  248.826477]  ? trace_hardirqs_on+0xbd/0x310
[  248.830917]  ? shrink_inactive_list+0xa4a/0x1c60
[  248.835698]  ? mark_held_locks+0x130/0x130
[  248.839930]  ? __lock_acquire+0x62f/0x4c20
[  248.844167]  ? print_usage_bug+0xc0/0xc0
[  248.848234]  ? mark_held_locks+0x130/0x130
[  248.852470]  ? mark_held_locks+0x130/0x130
[  248.856733]  ? print_usage_bug+0xc0/0xc0
[  248.860798]  ? __lock_acquire+0x62f/0x4c20
[  248.865036]  ? zap_class+0x640/0x640
[  248.868764]  ? zap_class+0x640/0x640
[  248.872488]  ? mark_held_locks+0x130/0x130
[  248.876734]  ? zap_class+0x640/0x640
[  248.880455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.886005]  ? check_preemption_disabled+0x48/0x280
[  248.891027]  ? __lock_is_held+0xb5/0x140
[  248.895108]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.900126]  ? inactive_list_is_low+0x305/0x880
[  248.904803]  ? lruvec_lru_size+0x450/0x450
[  248.909043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.914606]  ? lruvec_lru_size+0x2ab/0x450
[  248.918847]  ? percpu_ref_put_many+0x13e/0x260
[  248.923439]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  248.928416]  ? find_held_lock+0x36/0x1c0
[  248.932576]  shrink_node_memcg+0x803/0x18f0
[  248.936945]  ? shrink_active_list+0x1f00/0x1f00
[  248.941620]  ? lock_downgrade+0x900/0x900
[  248.945771]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.950881]  ? cgroup_procs_write_finish+0xf0/0xf0
[  248.955817]  ? _raw_spin_unlock+0x2c/0x50
[  248.959978]  shrink_node+0x3bc/0x16b0
[  248.963779]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  248.969086]  ? shrink_node_memcg+0x18f0/0x18f0
[  248.973667]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.978254]  ? trace_hardirqs_on+0xbd/0x310
[  248.982593]  ? vmpressure+0x271/0x340
[  248.986394]  ? do_raw_spin_unlock+0xa7/0x330
[  248.990799]  ? do_raw_spin_trylock+0x270/0x270
[  248.995398]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.000936]  ? __cpuset_node_allowed+0x19b/0x660
[  249.005693]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  249.011421]  ? vmpressure+0x1a2/0x340
[  249.015243]  do_try_to_free_pages+0x3e7/0x1290
[  249.019825]  ? zap_class+0x640/0x640
[  249.023549]  ? shrink_node+0x16b0/0x16b0
[  249.027606]  ? __lock_is_held+0xb5/0x140
[  249.031705]  try_to_free_pages+0x4d0/0xb90
[  249.035940]  ? do_try_to_free_pages+0x1290/0x1290
[  249.040794]  ? lock_acquire+0x1ed/0x520
[  249.044769]  ? set_page_refcounted+0x280/0x280
[  249.049363]  ? lock_release+0xa00/0xa00
[  249.053335]  ? _raw_spin_unlock_irq+0x60/0x80
[  249.057835]  ? psi_memstall_enter+0x240/0x2b0
[  249.062342]  ? psi_memstall_tick+0x230/0x230
[  249.066765]  __alloc_pages_slowpath+0xa14/0x2e10
[  249.071561]  ? warn_alloc+0x120/0x120
[  249.075389]  ? mark_held_locks+0x130/0x130
[  249.079626]  ? find_get_entry+0xaae/0x1120
[  249.083871]  ? filemap_map_pages+0x1a20/0x1a20
[  249.088460]  ? zap_class+0x640/0x640
[  249.092181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.097718]  ? check_preemption_disabled+0x48/0x280
[  249.102736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.108272]  ? should_fail+0x22d/0xd01
[  249.112184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.117288]  ? zap_class+0x640/0x640
[  249.121026]  ? __lock_is_held+0xb5/0x140
[  249.125104]  ? mark_held_locks+0x130/0x130
[  249.129344]  ? lock_release+0xa00/0xa00
[  249.133323]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.138774]  ? xa_load+0x2ba/0x460
[  249.142332]  ? lock_downgrade+0x900/0x900
[  249.146523]  ? __might_sleep+0x95/0x190
[  249.150502]  __alloc_pages_nodemask+0xa80/0xde0
[  249.155179]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.160197]  ? __page_cache_alloc+0x191/0x5c0
[  249.164689]  ? xa_load+0x2e1/0x460
[  249.168230]  ? xa_clear_mark+0x40/0x40
[  249.172122]  ? zap_class+0x640/0x640
[  249.175845]  ? zap_class+0x640/0x640
[  249.179567]  ? zap_class+0x640/0x640
[  249.183293]  ? __do_page_cache_readahead+0x663/0x810
[  249.188399]  ? find_held_lock+0x36/0x1c0
[  249.192485]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  249.198031]  alloc_pages_current+0x173/0x350
[  249.202466]  __page_cache_alloc+0x38c/0x5c0
[  249.206786]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.211718]  ? kasan_check_read+0x11/0x20
[  249.215864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.221142]  ? generic_perform_write+0x6a0/0x6a0
[  249.225898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.231437]  ? check_preemption_disabled+0x48/0x280
[  249.236488]  filemap_fault+0x1595/0x25f0
[  249.240561]  ? __lock_page_or_retry+0xa00/0xa00
[  249.245233]  ? mark_held_locks+0x130/0x130
[  249.249488]  ? filemap_map_pages+0xd6b/0x1a20
[  249.253983]  ? lock_downgrade+0x900/0x900
[  249.258128]  ? check_preemption_disabled+0x48/0x280
[  249.263151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.268081]  ? kasan_check_read+0x11/0x20
[  249.272234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.277515]  ? rcu_softirq_qs+0x20/0x20
[  249.281542]  ? filemap_map_pages+0xd92/0x1a20
[  249.286043]  ? print_usage_bug+0xc0/0xc0
[  249.290120]  ? find_get_entries_tag+0x1400/0x1400
[  249.294957]  ? __kasan_slab_free+0x102/0x150
[  249.299360]  ? kasan_slab_free+0xe/0x10
[  249.303363]  ? kmem_cache_free+0x83/0x290
[  249.307509]  ? __sigqueue_free.part.29+0x74/0x90
[  249.312281]  ? lock_acquire+0x1ed/0x520
[  249.316269]  ? ext4_filemap_fault+0x7a/0xad
[  249.320608]  ? lock_release+0xa00/0xa00
[  249.324590]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.330077]  ? print_usage_bug+0xc0/0xc0
[  249.334169]  ? print_usage_bug+0xc0/0xc0
[  249.338241]  ? down_read+0x8d/0x120
[  249.341869]  ? ext4_filemap_fault+0x7a/0xad
[  249.346209]  ? __down_interruptible+0x700/0x700
[  249.350885]  ext4_filemap_fault+0x82/0xad
[  249.355036]  __do_fault+0x100/0x6b0
[  249.358696]  ? pmd_devmap_trans_unstable+0x220/0x220
[  249.363802]  ? mark_held_locks+0x130/0x130
[  249.368041]  ? mark_held_locks+0x130/0x130
[  249.372284]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  249.377834]  ? rcu_pm_notify+0xc0/0xc0
[  249.381742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.387281]  __handle_mm_fault+0x3ea0/0x5be0
[  249.391698]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  249.396577]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.401078]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.405690]  ? trace_hardirqs_on+0xbd/0x310
[  249.410036]  ? kasan_check_read+0x11/0x20
[  249.414191]  ? __set_current_blocked+0xdf/0x120
[  249.418863]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.423981]  ? zap_class+0x640/0x640
[  249.427693]  ? zap_class+0x640/0x640
[  249.431414]  ? find_held_lock+0x36/0x1c0
[  249.435496]  ? handle_mm_fault+0x42a/0xc70
[  249.439747]  ? lock_downgrade+0x900/0x900
[  249.443939]  ? check_preemption_disabled+0x48/0x280
[  249.448986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.453930]  ? kasan_check_read+0x11/0x20
[  249.458118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.463398]  ? rcu_softirq_qs+0x20/0x20
[  249.467384]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.472494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.478058]  ? check_preemption_disabled+0x48/0x280
[  249.483093]  handle_mm_fault+0x54f/0xc70
[  249.487157]  ? __handle_mm_fault+0x5be0/0x5be0
[  249.491743]  ? find_vma+0x34/0x190
[  249.495304]  __do_page_fault+0x5e8/0xe60
[  249.499382]  ? exit_to_usermode_loop+0x1f4/0x380
[  249.504143]  do_page_fault+0xf2/0x7e0
[  249.507945]  ? vmalloc_sync_all+0x30/0x30
[  249.512096]  ? error_entry+0x70/0xd0
[  249.515829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.520842]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.525773]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.530702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.535560]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.540576]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.546029]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.551062]  ? page_fault+0x8/0x30
[  249.554610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.559456]  ? page_fault+0x8/0x30
[  249.562994]  page_fault+0x1e/0x30
[  249.566458] RIP: 0033:0x45db60
[  249.569684] Code: Bad RIP value.
[  249.573041] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  249.578408] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  249.585673] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  249.592938] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  249.600204] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  249.607472] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  249.614760] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  249.614850] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.620998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.621006] Call Trace:
[  249.627780] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.636852]  <IRQ>
[  249.639450] syz-fuzzer cpuset=/ mems_allowed=0
[  249.649718]  dump_stack+0x244/0x39d
[  249.660032]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.665242]  warn_alloc.cold.116+0xb7/0x1bd
[  249.669565]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.674413]  ? lock_downgrade+0x900/0x900
[  249.678571]  ? trace_hardirqs_off+0xb8/0x310
[  249.682987]  ? trace_hardirqs_off+0xb8/0x310
[  249.687405]  __alloc_pages_slowpath+0x26e8/0x2e10
[  249.692292]  ? warn_alloc+0x120/0x120
[  249.696104]  ? print_usage_bug+0xc0/0xc0
[  249.700166]  ? warn_alloc+0x120/0x120
[  249.703989]  ? warn_alloc+0x120/0x120
[  249.707795]  ? print_usage_bug+0xc0/0xc0
[  249.711872]  ? print_usage_bug+0xc0/0xc0
[  249.715935]  ? __lock_acquire+0x62f/0x4c20
[  249.720180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.725716]  ? should_fail+0x22d/0xd01
[  249.729604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.734725]  ? __lock_acquire+0x62f/0x4c20
[  249.738965]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.744075]  ? __lock_acquire+0x62f/0x4c20
[  249.748330]  ? should_fail+0x22d/0xd01
[  249.752217]  ? find_held_lock+0x36/0x1c0
[  249.756287]  ? mark_held_locks+0x130/0x130
[  249.760528]  ? mark_held_locks+0x130/0x130
[  249.764778]  ? zap_class+0x640/0x640
[  249.768491]  ? zap_class+0x640/0x640
[  249.772230]  ? print_usage_bug+0xc0/0xc0
[  249.776286]  ? do_raw_spin_unlock+0xa7/0x330
[  249.780688]  ? zap_class+0x640/0x640
[  249.784419]  ? print_usage_bug+0xc0/0xc0
[  249.788488]  ? wq_watchdog_touch+0x9c/0xfe
[  249.792745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.798301]  ? check_preemption_disabled+0x48/0x280
[  249.803364]  ? __lock_is_held+0xb5/0x140
[  249.807446]  __alloc_pages_nodemask+0xa80/0xde0
[  249.812117]  ? zap_class+0x640/0x640
[  249.815834]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.820863]  ? find_held_lock+0x36/0x1c0
[  249.824929]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.829596]  ? lock_downgrade+0x900/0x900
[  249.833770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.839340]  cache_grow_begin+0xa5/0x8c0
[  249.843400]  ? do_raw_spin_unlock+0xa7/0x330
[  249.847812]  fallback_alloc+0x204/0x2e0
[  249.851800]  ____cache_alloc_node+0x1c7/0x1e0
[  249.856303]  kmem_cache_alloc_node+0xe3/0x730
[  249.860813]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.865064]  __alloc_skb+0x119/0x770
[  249.868794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.874102]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.878508]  ? lock_downgrade+0x900/0x900
[  249.882694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.888245]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.893701]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.899149]  ? addrconf_rs_timer+0x690/0x690
[  249.903566]  ndisc_alloc_skb+0x144/0x340
[  249.907635]  ndisc_send_rs+0x331/0x6e0
[  249.911531]  addrconf_rs_timer+0x314/0x690
[  249.915773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.920033]  call_timer_fn+0x272/0x920
[  249.923957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.928191]  ? process_timeout+0x40/0x40
[  249.932280]  ? mark_held_locks+0xc7/0x130
[  249.936448]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.940947]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.945464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.949700]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.954299]  ? trace_hardirqs_on+0xbd/0x310
[  249.958641]  ? kasan_check_read+0x11/0x20
[  249.962787]  ? __run_timers+0x7da/0xc70
[  249.966767]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.971891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.976130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.980363]  __run_timers+0x7e5/0xc70
[  249.984176]  ? timer_fixup_init+0x70/0x70
[  249.988329]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  249.993350]  ? zap_class+0x640/0x640
[  249.997076]  ? print_usage_bug+0xc0/0xc0
[  250.001140]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.006357]  ? find_held_lock+0x36/0x1c0
[  250.010424]  ? zap_class+0x640/0x640
[  250.014143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.019684]  ? check_preemption_disabled+0x48/0x280
[  250.024714]  ? __lock_is_held+0xb5/0x140
[  250.028776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.034329]  ? check_preemption_disabled+0x48/0x280
[  250.039364]  run_timer_softirq+0x52/0xb0
[  250.043430]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.048450]  __do_softirq+0x308/0xb7e
[  250.052270]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.056762]  ? lock_downgrade+0x900/0x900
[  250.060917]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.066029]  ? pvclock_read_flags+0x160/0x160
[  250.070537]  ? lapic_next_event+0x5a/0x90
[  250.074686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.080233]  ? kvm_clock_read+0x18/0x30
[  250.084238]  ? kvm_sched_clock_read+0x9/0x20
[  250.088648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.094183]  ? check_preemption_disabled+0x48/0x280
[  250.099200]  irq_exit+0x17f/0x1c0
[  250.102656]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.107509]  ? smp_reschedule_interrupt+0x109/0x650
[  250.112524]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.118431]  ? interrupt_entry+0xb5/0xc0
[  250.122491]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.127518]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.132553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.137398]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.142417]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.147433]  ? task_prio+0x50/0x50
[  250.150987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.156524]  ? check_preemption_disabled+0x48/0x280
[  250.161612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.166504]  apic_timer_interrupt+0xf/0x20
[  250.170748]  </IRQ>
[  250.173004] RIP: 0010:dump_stack+0x358/0x39d
[  250.177420] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  250.196334] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  250.204065] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  250.211340] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  250.218619] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  250.225887] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  250.233159] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  250.240506]  ? dump_stack+0x34f/0x39d
[  250.244343]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.249537]  ? mark_held_locks+0x130/0x130
[  250.253794]  ? mark_held_locks+0x130/0x130
[  250.258030]  dump_header+0x27b/0xf72
[  250.261760]  ? pagefault_out_of_memory+0x197/0x197
[  250.266691]  ? __lock_acquire+0x62f/0x4c20
[  250.270925]  ? percpu_ref_get_many+0x240/0x240
[  250.275510]  ? print_usage_bug+0xc0/0xc0
[  250.279589]  ? zap_class+0x640/0x640
[  250.283305]  ? print_usage_bug+0xc0/0xc0
[  250.287386]  ? print_usage_bug+0xc0/0xc0
[  250.291489]  ? zap_class+0x640/0x640
[  250.295222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.300764]  ? find_held_lock+0x36/0x1c0
[  250.304843]  ? mark_held_locks+0xc7/0x130
[  250.308993]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  250.314093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  250.319196]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  250.323793]  ? trace_hardirqs_on+0xbd/0x310
[  250.328132]  ? kasan_check_read+0x11/0x20
[  250.332287]  ? ___ratelimit+0x3b4/0x672
[  250.336265]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.341376]  ? trace_hardirqs_on+0x310/0x310
[  250.345790]  ? lock_downgrade+0x900/0x900
[  250.349948]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.355062]  ? ___ratelimit+0x3b9/0x672
[  250.359039]  ? idr_get_free+0xf70/0xf70
[  250.363024]  ? find_held_lock+0x36/0x1c0
[  250.367106]  oom_kill_process.cold.27+0x10/0x903
[  250.371861]  ? zap_class+0x640/0x640
[  250.375577]  ? check_preemption_disabled+0x48/0x280
[  250.380602]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.385640]  ? kasan_check_read+0x11/0x20
[  250.389793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.395124]  ? oom_evaluate_task+0x540/0x540
[  250.399535]  ? find_held_lock+0x36/0x1c0
[  250.403605]  ? out_of_memory+0x974/0x1430
[  250.407753]  ? lock_downgrade+0x900/0x900
[  250.411901]  ? check_preemption_disabled+0x48/0x280
[  250.416966]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.421917]  ? kasan_check_read+0x11/0x20
[  250.426092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.431387]  ? rcu_softirq_qs+0x20/0x20
[  250.435370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.440905]  ? oom_evaluate_task+0x302/0x540
[  250.445333]  out_of_memory+0xa84/0x1430
[  250.449325]  ? oom_killer_disable+0x3a0/0x3a0
[  250.453819]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  250.458770]  ? __ww_mutex_check_waiters+0x160/0x160
[  250.463812]  __alloc_pages_slowpath+0x2354/0x2e10
[  250.468698]  ? warn_alloc+0x120/0x120
[  250.472511]  ? mark_held_locks+0x130/0x130
[  250.476778]  ? find_get_entry+0xaae/0x1120
[  250.481018]  ? filemap_map_pages+0x1a20/0x1a20
[  250.485604]  ? zap_class+0x640/0x640
[  250.489326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.494863]  ? check_preemption_disabled+0x48/0x280
[  250.499880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.505418]  ? should_fail+0x22d/0xd01
[  250.509315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.514423]  ? zap_class+0x640/0x640
[  250.518166]  ? __lock_is_held+0xb5/0x140
[  250.522262]  ? mark_held_locks+0x130/0x130
[  250.526499]  ? lock_release+0xa00/0xa00
[  250.530473]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.535919]  ? xa_load+0x2ba/0x460
[  250.539463]  ? lock_downgrade+0x900/0x900
[  250.543628]  ? __might_sleep+0x95/0x190
[  250.547634]  __alloc_pages_nodemask+0xa80/0xde0
[  250.552310]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  250.557553]  ? __page_cache_alloc+0x191/0x5c0
[  250.562073]  ? xa_load+0x2e1/0x460
[  250.565614]  ? xa_clear_mark+0x40/0x40
[  250.569520]  ? zap_class+0x640/0x640
[  250.573248]  ? zap_class+0x640/0x640
[  250.576960]  ? zap_class+0x640/0x640
[  250.580688]  ? __do_page_cache_readahead+0x663/0x810
[  250.585792]  ? find_held_lock+0x36/0x1c0
[  250.589875]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  250.595435]  alloc_pages_current+0x173/0x350
[  250.599852]  __page_cache_alloc+0x38c/0x5c0
[  250.604189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.609116]  ? kasan_check_read+0x11/0x20
[  250.613260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.618539]  ? generic_perform_write+0x6a0/0x6a0
[  250.623301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.628849]  ? check_preemption_disabled+0x48/0x280
[  250.633881]  filemap_fault+0x1595/0x25f0
[  250.637950]  ? __lock_page_or_retry+0xa00/0xa00
[  250.642622]  ? mark_held_locks+0x130/0x130
[  250.646868]  ? filemap_map_pages+0xd6b/0x1a20
[  250.651369]  ? lock_downgrade+0x900/0x900
[  250.655518]  ? check_preemption_disabled+0x48/0x280
[  250.660549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.665497]  ? kasan_check_read+0x11/0x20
[  250.669657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.674944]  ? rcu_softirq_qs+0x20/0x20
[  250.678925]  ? filemap_map_pages+0xd92/0x1a20
[  250.683430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.689144]  ? find_get_entries_tag+0x1400/0x1400
[  250.693988]  ? __lock_acquire+0x62f/0x4c20
[  250.698234]  ? lock_acquire+0x1ed/0x520
[  250.702213]  ? ext4_filemap_fault+0x7a/0xad
[  250.706571]  ? lock_release+0xa00/0xa00
[  250.710554]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.716000]  ? print_usage_bug+0xc0/0xc0
[  250.720067]  ? print_usage_bug+0xc0/0xc0
[  250.724137]  ? down_read+0x8d/0x120
[  250.727773]  ? ext4_filemap_fault+0x7a/0xad
[  250.732096]  ? __down_interruptible+0x700/0x700
[  250.736798]  ext4_filemap_fault+0x82/0xad
[  250.740945]  __do_fault+0x100/0x6b0
[  250.744589]  ? pmd_devmap_trans_unstable+0x220/0x220
[  250.749710]  ? mark_held_locks+0x130/0x130
[  250.753948]  ? mark_held_locks+0x130/0x130
[  250.758196]  ? find_held_lock+0x36/0x1c0
[  250.762262]  ? find_held_lock+0x36/0x1c0
[  250.766341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.771912]  __handle_mm_fault+0x3ea0/0x5be0
[  250.776340]  ? poll_select_copy_remaining+0x18c/0x6a0
[  250.781542]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  250.786415]  ? __might_fault+0x12b/0x1e0
[  250.790478]  ? lock_downgrade+0x900/0x900
[  250.794644]  ? zap_class+0x640/0x640
[  250.798362]  ? zap_class+0x640/0x640
[  250.802092]  ? find_held_lock+0x36/0x1c0
[  250.806187]  ? handle_mm_fault+0x42a/0xc70
[  250.810441]  ? lock_downgrade+0x900/0x900
[  250.814591]  ? check_preemption_disabled+0x48/0x280
[  250.819626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.824560]  ? kasan_check_read+0x11/0x20
[  250.828725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.834019]  ? rcu_softirq_qs+0x20/0x20
[  250.838000]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.843104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.848640]  ? check_preemption_disabled+0x48/0x280
[  250.853667]  handle_mm_fault+0x54f/0xc70
[  250.857732]  ? __handle_mm_fault+0x5be0/0x5be0
[  250.862325]  ? find_vma+0x34/0x190
[  250.865872]  __do_page_fault+0x5e8/0xe60
[  250.869934]  ? trace_hardirqs_off+0xb8/0x310
[  250.874358]  do_page_fault+0xf2/0x7e0
[  250.878160]  ? vmalloc_sync_all+0x30/0x30
[  250.882312]  ? error_entry+0x70/0xd0
[  250.886054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.891077]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.896009]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.900937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.905804]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.910822]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.916272]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.921293]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.926316]  ? page_fault+0x8/0x30
[  250.929863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.934711]  ? page_fault+0x8/0x30
[  250.938251]  page_fault+0x1e/0x30
[  250.941702] RIP: 0033:0x7fafaecd0dd3
[  250.945443] Code: Bad RIP value.
[  250.948808] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  250.954169] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  250.961446] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  250.968727] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  250.975989] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  250.983265] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  250.990561] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  250.990567] warn_alloc_show_mem: 1 callbacks suppressed
[  250.990574] Mem-Info:
[  250.997594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.002961] active_anon:50685 inactive_anon:189 isolated_anon:0
[  251.002961]  active_file:14 inactive_file:14 isolated_file:0
[  251.002961]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.002961]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  251.002961]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  251.002961]  free:13759 free_pcp:552 free_cma:0
[  251.005332] Call Trace:
[  251.014715] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.047560]  <IRQ>
[  251.050129] 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
[  251.077545]  dump_stack+0x244/0x39d
[  251.079663] lowmem_reserve[]: 0 2818 6321 6321
[  251.105763]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.109363] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.113960]  warn_alloc.cold.116+0xb7/0x1bd
[  251.119115] lowmem_reserve[]: 0 0 3503 3503
[  251.146696]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.151008] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  251.155325]  ? lock_downgrade+0x900/0x900
[  251.160152] lowmem_reserve[]: 0 0 0 0
[  251.189227]  ? trace_hardirqs_off+0xb8/0x310
[  251.193345] 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
[  251.197146]  ? trace_hardirqs_off+0xb8/0x310
[  251.201528] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  251.215054]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.219449] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  251.234825]  ? warn_alloc+0x120/0x120
[  251.239622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.254694]  ? warn_alloc+0x120/0x120
[  251.258490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.267313]  ? warn_alloc+0x120/0x120
[  251.271098] 272 total pagecache pages
[  251.279694]  ? print_usage_bug+0xc0/0xc0
[  251.283501] 0 pages in swap cache
[  251.287287]  ? idle_cpu+0x1d0/0x1d0
[  251.291359] Swap cache stats: add 0, delete 0, find 0/0
[  251.294802]  ? kvm_sched_clock_read+0x9/0x20
[  251.298402] Free swap  = 0kB
[  251.303785]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.308182] Total swap = 0kB
[  251.311198]  ? print_usage_bug+0xc0/0xc0
[  251.316192] 1965979 pages RAM
[  251.319221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.323252] 0 pages HighMem/MovableOnly
[  251.326356]  ? should_fail+0x22d/0xd01
[  251.331870] 342853 pages reserved
[  251.335835]  ? __lock_acquire+0x62f/0x4c20
[  251.339699] 0 pages cma reserved
[  251.343145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.347428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.350711]  ? __lock_acquire+0x62f/0x4c20
[  251.355882] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.362307]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.366533] init cpuset=/ mems_allowed=0
[  251.376224]  ? __lock_acquire+0x62f/0x4c20
[  251.376239]  ? should_fail+0x22d/0xd01
[  251.393498]  ? mark_held_locks+0x130/0x130
[  251.397747]  ? mark_held_locks+0x130/0x130
[  251.401981]  ? try_to_wake_up+0x11c/0x1490
[  251.406216]  ? lock_downgrade+0x900/0x900
[  251.410364]  ? zap_class+0x640/0x640
[  251.414092]  ? print_usage_bug+0xc0/0xc0
[  251.418156]  ? trace_hardirqs_off+0xb8/0x310
[  251.422568]  ? kasan_check_read+0x11/0x20
[  251.426716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.432256]  ? check_preemption_disabled+0x48/0x280
[  251.437282]  ? __lock_is_held+0xb5/0x140
[  251.441367]  __alloc_pages_nodemask+0xa80/0xde0
[  251.446061]  ? zap_class+0x640/0x640
[  251.449783]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  251.454815]  ? find_held_lock+0x36/0x1c0
[  251.458892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.463561]  ? lock_downgrade+0x900/0x900
[  251.467734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.473279]  cache_grow_begin+0xa5/0x8c0
[  251.477353]  ? do_raw_spin_unlock+0xa7/0x330
[  251.481766]  fallback_alloc+0x204/0x2e0
[  251.485745]  ____cache_alloc_node+0x1c7/0x1e0
[  251.490271]  kmem_cache_alloc_node+0xe3/0x730
[  251.494777]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.499019]  __alloc_skb+0x119/0x770
[  251.502736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.508014]  ? netdev_alloc_frag+0x1f0/0x1f0
[  251.512427]  ? lock_downgrade+0x900/0x900
[  251.516595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.522168]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.527618]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.533069]  ? addrconf_rs_timer+0x690/0x690
[  251.537507]  ndisc_alloc_skb+0x144/0x340
[  251.541565]  ndisc_send_rs+0x331/0x6e0
[  251.545481]  addrconf_rs_timer+0x314/0x690
[  251.549747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.554021]  call_timer_fn+0x272/0x920
[  251.557945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.562189]  ? process_timeout+0x40/0x40
[  251.566282]  ? mark_held_locks+0xc7/0x130
[  251.570440]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.574964]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.579468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.583699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  251.588281]  ? trace_hardirqs_on+0xbd/0x310
[  251.592599]  ? kasan_check_read+0x11/0x20
[  251.596736]  ? __run_timers+0x7da/0xc70
[  251.600707]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.605842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.610090]  __run_timers+0x7e5/0xc70
[  251.613928]  ? timer_fixup_init+0x70/0x70
[  251.618090]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.623105]  ? zap_class+0x640/0x640
[  251.626828]  ? print_usage_bug+0xc0/0xc0
[  251.630888]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  251.636087]  ? find_held_lock+0x36/0x1c0
[  251.640160]  ? zap_class+0x640/0x640
[  251.643888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.649457]  ? check_preemption_disabled+0x48/0x280
[  251.654493]  ? __lock_is_held+0xb5/0x140
[  251.658560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.664139]  ? check_preemption_disabled+0x48/0x280
[  251.669172]  run_timer_softirq+0x52/0xb0
[  251.673243]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.678255]  __do_softirq+0x308/0xb7e
[  251.682060]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  251.686556]  ? lock_downgrade+0x900/0x900
[  251.690704]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.695808]  ? pvclock_read_flags+0x160/0x160
[  251.700311]  ? lapic_next_event+0x5a/0x90
[  251.704464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.710005]  ? kvm_clock_read+0x18/0x30
[  251.713982]  ? kvm_sched_clock_read+0x9/0x20
[  251.718416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.723968]  ? check_preemption_disabled+0x48/0x280
[  251.728992]  irq_exit+0x17f/0x1c0
[  251.732450]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.737306]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.743191]  ? interrupt_entry+0xb5/0xc0
[  251.747257]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.752274]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.757319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.762163]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.767178]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.772203]  ? task_prio+0x50/0x50
[  251.775772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.781315]  ? check_preemption_disabled+0x48/0x280
[  251.786336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.791187]  apic_timer_interrupt+0xf/0x20
[  251.795414]  </IRQ>
[  251.797653] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  251.802826] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  251.821727] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  251.829482] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  251.836768] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  251.844039] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  251.851316] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  251.858600] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  251.865892]  shrink_active_list+0x14eb/0x1f00
[  251.870403]  ? shrink_inactive_list+0x1c60/0x1c60
[  251.875243]  ? trace_hardirqs_on+0xbd/0x310
[  251.879579]  ? shrink_inactive_list+0xa4a/0x1c60
[  251.884343]  ? mark_held_locks+0x130/0x130
[  251.888614]  ? __lock_acquire+0x62f/0x4c20
[  251.892882]  ? print_usage_bug+0xc0/0xc0
[  251.896953]  ? mark_held_locks+0x130/0x130
[  251.901182]  ? mark_held_locks+0x130/0x130
[  251.905414]  ? print_usage_bug+0xc0/0xc0
[  251.909471]  ? __lock_acquire+0x62f/0x4c20
[  251.913699]  ? zap_class+0x640/0x640
[  251.917417]  ? zap_class+0x640/0x640
[  251.921132]  ? mark_held_locks+0x130/0x130
[  251.925376]  ? zap_class+0x640/0x640
[  251.929104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.934651]  ? check_preemption_disabled+0x48/0x280
[  251.939684]  ? __lock_is_held+0xb5/0x140
[  251.943751]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.948765]  ? inactive_list_is_low+0x305/0x880
[  251.953451]  ? lruvec_lru_size+0x450/0x450
[  251.957699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.963231]  ? lruvec_lru_size+0x2ab/0x450
[  251.967480]  ? percpu_ref_put_many+0x13e/0x260
[  251.972068]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  251.977011]  ? find_held_lock+0x36/0x1c0
[  251.981096]  shrink_node_memcg+0x803/0x18f0
[  251.985434]  ? shrink_active_list+0x1f00/0x1f00
[  251.990107]  ? lock_downgrade+0x900/0x900
[  251.994256]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.999380]  ? cgroup_procs_write_finish+0xf0/0xf0
[  252.004313]  ? _raw_spin_unlock+0x2c/0x50
[  252.008486]  shrink_node+0x3bc/0x16b0
[  252.012284]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  252.017583]  ? shrink_node_memcg+0x18f0/0x18f0
[  252.022159]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.026740]  ? trace_hardirqs_on+0xbd/0x310
[  252.031069]  ? vmpressure+0x271/0x340
[  252.034903]  ? do_raw_spin_unlock+0xa7/0x330
[  252.039327]  ? do_raw_spin_trylock+0x270/0x270
[  252.043918]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.049458]  ? __cpuset_node_allowed+0x19b/0x660
[  252.054219]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  252.059928]  ? vmpressure+0x1a2/0x340
[  252.063737]  do_try_to_free_pages+0x3e7/0x1290
[  252.068317]  ? zap_class+0x640/0x640
[  252.072053]  ? shrink_node+0x16b0/0x16b0
[  252.076118]  ? __lock_is_held+0xb5/0x140
[  252.080189]  try_to_free_pages+0x4d0/0xb90
[  252.084450]  ? do_try_to_free_pages+0x1290/0x1290
[  252.089305]  ? lock_acquire+0x1ed/0x520
[  252.093274]  ? set_page_refcounted+0x280/0x280
[  252.097870]  ? lock_release+0xa00/0xa00
[  252.101845]  ? _raw_spin_unlock_irq+0x60/0x80
[  252.106335]  ? psi_memstall_enter+0x240/0x2b0
[  252.110859]  ? psi_memstall_tick+0x230/0x230
[  252.115281]  __alloc_pages_slowpath+0xa14/0x2e10
[  252.120089]  ? warn_alloc+0x120/0x120
[  252.123890]  ? mark_held_locks+0x130/0x130
[  252.128133]  ? find_get_entry+0xaae/0x1120
[  252.132391]  ? filemap_map_pages+0x1a20/0x1a20
[  252.136997]  ? zap_class+0x640/0x640
[  252.140736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.146289]  ? check_preemption_disabled+0x48/0x280
[  252.151332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.156883]  ? should_fail+0x22d/0xd01
[  252.160776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.165882]  ? zap_class+0x640/0x640
[  252.169622]  ? __lock_is_held+0xb5/0x140
[  252.173693]  ? mark_held_locks+0x130/0x130
[  252.177949]  ? lock_release+0xa00/0xa00
[  252.181925]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.187381]  ? xa_load+0x2ba/0x460
[  252.190921]  ? lock_downgrade+0x900/0x900
[  252.195084]  ? __might_sleep+0x95/0x190
[  252.199076]  __alloc_pages_nodemask+0xa80/0xde0
[  252.203750]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.208768]  ? __page_cache_alloc+0x191/0x5c0
[  252.213269]  ? xa_load+0x2e1/0x460
[  252.216808]  ? xa_clear_mark+0x40/0x40
[  252.220711]  ? zap_class+0x640/0x640
[  252.224430]  ? zap_class+0x640/0x640
[  252.228205]  ? zap_class+0x640/0x640
[  252.231917]  ? __do_page_cache_readahead+0x663/0x810
[  252.237058]  ? find_held_lock+0x36/0x1c0
[  252.241128]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  252.246673]  alloc_pages_current+0x173/0x350
[  252.251091]  __page_cache_alloc+0x38c/0x5c0
[  252.255425]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.260355]  ? kasan_check_read+0x11/0x20
[  252.264502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.269779]  ? generic_perform_write+0x6a0/0x6a0
[  252.274549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.280089]  ? check_preemption_disabled+0x48/0x280
[  252.285116]  filemap_fault+0x1595/0x25f0
[  252.289187]  ? __lock_page_or_retry+0xa00/0xa00
[  252.293856]  ? mark_held_locks+0x130/0x130
[  252.298099]  ? filemap_map_pages+0xd6b/0x1a20
[  252.302601]  ? lock_downgrade+0x900/0x900
[  252.306746]  ? check_preemption_disabled+0x48/0x280
[  252.311762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.316689]  ? kasan_check_read+0x11/0x20
[  252.320840]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.326121]  ? rcu_softirq_qs+0x20/0x20
[  252.330107]  ? filemap_map_pages+0xd92/0x1a20
[  252.334655]  ? print_usage_bug+0xc0/0xc0
[  252.338737]  ? find_get_entries_tag+0x1400/0x1400
[  252.343593]  ? __kasan_slab_free+0x102/0x150
[  252.348004]  ? kasan_slab_free+0xe/0x10
[  252.351974]  ? kmem_cache_free+0x83/0x290
[  252.356126]  ? __sigqueue_free.part.29+0x74/0x90
[  252.360910]  ? lock_acquire+0x1ed/0x520
[  252.364895]  ? ext4_filemap_fault+0x7a/0xad
[  252.369220]  ? lock_release+0xa00/0xa00
[  252.373192]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.378641]  ? print_usage_bug+0xc0/0xc0
[  252.382701]  ? print_usage_bug+0xc0/0xc0
[  252.386776]  ? down_read+0x8d/0x120
[  252.390399]  ? ext4_filemap_fault+0x7a/0xad
[  252.394744]  ? __down_interruptible+0x700/0x700
[  252.399425]  ext4_filemap_fault+0x82/0xad
[  252.403575]  __do_fault+0x100/0x6b0
[  252.407204]  ? pmd_devmap_trans_unstable+0x220/0x220
[  252.412307]  ? mark_held_locks+0x130/0x130
[  252.416547]  ? mark_held_locks+0x130/0x130
[  252.420787]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  252.426325]  ? rcu_pm_notify+0xc0/0xc0
[  252.430218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.435789]  __handle_mm_fault+0x3ea0/0x5be0
[  252.440209]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  252.445056]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.449556]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.454143]  ? trace_hardirqs_on+0xbd/0x310
[  252.458542]  ? kasan_check_read+0x11/0x20
[  252.462692]  ? __set_current_blocked+0xdf/0x120
[  252.467364]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.472479]  ? zap_class+0x640/0x640
[  252.476211]  ? zap_class+0x640/0x640
[  252.479931]  ? find_held_lock+0x36/0x1c0
[  252.483998]  ? handle_mm_fault+0x42a/0xc70
[  252.488234]  ? lock_downgrade+0x900/0x900
[  252.492383]  ? check_preemption_disabled+0x48/0x280
[  252.497405]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.502344]  ? kasan_check_read+0x11/0x20
[  252.506492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.511770]  ? rcu_softirq_qs+0x20/0x20
[  252.515739]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.520845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.526382]  ? check_preemption_disabled+0x48/0x280
[  252.531406]  handle_mm_fault+0x54f/0xc70
[  252.535469]  ? __handle_mm_fault+0x5be0/0x5be0
[  252.540060]  ? find_vma+0x34/0x190
[  252.543618]  __do_page_fault+0x5e8/0xe60
[  252.547692]  ? exit_to_usermode_loop+0x1f4/0x380
[  252.552466]  do_page_fault+0xf2/0x7e0
[  252.556278]  ? vmalloc_sync_all+0x30/0x30
[  252.560559]  ? error_entry+0x70/0xd0
[  252.564277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.569293]  ? trace_hardirqs_on_caller+0xc0/0x310
[  252.574222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.579151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.583991]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.589005]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.594460]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.599471]  ? page_fault+0x8/0x30
[  252.603016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.607866]  ? page_fault+0x8/0x30
[  252.611417]  page_fault+0x1e/0x30
[  252.614871] RIP: 0033:0x45db60
[  252.618098] Code: Bad RIP value.
[  252.621458] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  252.626847] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  252.634109] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  252.641372] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  252.648636] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  252.655904] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  252.663217] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  252.663301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.669450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.669458] Call Trace:
[  252.676020] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.685288]  <IRQ>
[  252.687866] syz-fuzzer cpuset=/ mems_allowed=0
[  252.698384]  dump_stack+0x244/0x39d
[  252.708718]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.713918]  warn_alloc.cold.116+0xb7/0x1bd
[  252.718244]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.723091]  ? lock_downgrade+0x900/0x900
[  252.727248]  ? trace_hardirqs_off+0xb8/0x310
[  252.731682]  ? trace_hardirqs_off+0xb8/0x310
[  252.736115]  __alloc_pages_slowpath+0x26e8/0x2e10
[  252.740987]  ? warn_alloc+0x120/0x120
[  252.744788]  ? print_usage_bug+0xc0/0xc0
[  252.748855]  ? warn_alloc+0x120/0x120
[  252.752707]  ? warn_alloc+0x120/0x120
[  252.756510]  ? print_usage_bug+0xc0/0xc0
[  252.760592]  ? kvm_clock_read+0x18/0x30
[  252.764571]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  252.769586]  ? print_usage_bug+0xc0/0xc0
[  252.773647]  ? __lock_acquire+0x62f/0x4c20
[  252.777900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.783468]  ? should_fail+0x22d/0xd01
[  252.787369]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.792662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.797780]  ? __lock_acquire+0x62f/0x4c20
[  252.802019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.807136]  ? __lock_acquire+0x62f/0x4c20
[  252.811373]  ? should_fail+0x22d/0xd01
[  252.815263]  ? rcu_irq_exit+0x1a2/0x390
[  252.819245]  ? mark_held_locks+0x130/0x130
[  252.823482]  ? mark_held_locks+0x130/0x130
[  252.827727]  ? mark_held_locks+0xc7/0x130
[  252.831875]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  252.836890]  ? zap_class+0x640/0x640
[  252.840602]  ? print_usage_bug+0xc0/0xc0
[  252.844683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.850222]  ? check_preemption_disabled+0x48/0x280
[  252.855262]  ? __lock_is_held+0xb5/0x140
[  252.859335]  __alloc_pages_nodemask+0xa80/0xde0
[  252.864002]  ? zap_class+0x640/0x640
[  252.867748]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.872788]  ? find_held_lock+0x36/0x1c0
[  252.876870]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.881539]  ? lock_downgrade+0x900/0x900
[  252.885719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.891257]  cache_grow_begin+0xa5/0x8c0
[  252.895324]  ? do_raw_spin_unlock+0xa7/0x330
[  252.899741]  fallback_alloc+0x204/0x2e0
[  252.903751]  ____cache_alloc_node+0x1c7/0x1e0
[  252.908248]  kmem_cache_alloc_node+0xe3/0x730
[  252.912760]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.917009]  __alloc_skb+0x119/0x770
[  252.920734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.926025]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.930479]  ? lock_downgrade+0x900/0x900
[  252.934634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.940170]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.945623]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.951078]  ? addrconf_rs_timer+0x690/0x690
[  252.955500]  ndisc_alloc_skb+0x144/0x340
[  252.959562]  ndisc_send_rs+0x331/0x6e0
[  252.963459]  addrconf_rs_timer+0x314/0x690
[  252.967713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.971956]  call_timer_fn+0x272/0x920
[  252.975855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.980163]  ? process_timeout+0x40/0x40
[  252.984283]  ? mark_held_locks+0xc7/0x130
[  252.988445]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.992964]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.997463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.001712]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.006293]  ? trace_hardirqs_on+0xbd/0x310
[  253.010625]  ? kasan_check_read+0x11/0x20
[  253.014785]  ? __run_timers+0x7da/0xc70
[  253.018756]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.023865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.028117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.032347]  __run_timers+0x7e5/0xc70
[  253.036177]  ? timer_fixup_init+0x70/0x70
[  253.040367]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.045374]  ? zap_class+0x640/0x640
[  253.049139]  ? print_usage_bug+0xc0/0xc0
[  253.053237]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.058429]  ? find_held_lock+0x36/0x1c0
[  253.062496]  ? zap_class+0x640/0x640
[  253.066243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.071790]  ? check_preemption_disabled+0x48/0x280
[  253.076811]  ? __lock_is_held+0xb5/0x140
[  253.080899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.086434]  ? check_preemption_disabled+0x48/0x280
[  253.091481]  run_timer_softirq+0x52/0xb0
[  253.095546]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.100571]  __do_softirq+0x308/0xb7e
[  253.104386]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  253.108878]  ? lock_downgrade+0x900/0x900
[  253.113027]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.118148]  ? pvclock_read_flags+0x160/0x160
[  253.122648]  ? lapic_next_event+0x5a/0x90
[  253.126800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.132345]  ? kvm_clock_read+0x18/0x30
[  253.136324]  ? kvm_sched_clock_read+0x9/0x20
[  253.140754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.146323]  ? check_preemption_disabled+0x48/0x280
[  253.151359]  irq_exit+0x17f/0x1c0
[  253.154819]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.159667]  ? smp_reschedule_interrupt+0x109/0x650
[  253.164689]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.170576]  ? interrupt_entry+0xb5/0xc0
[  253.174641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.179662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.184683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.189524]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.194554]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.199572]  ? task_prio+0x50/0x50
[  253.203118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.208661]  ? check_preemption_disabled+0x48/0x280
[  253.213683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.218577]  apic_timer_interrupt+0xf/0x20
[  253.222840]  </IRQ>
[  253.225108] RIP: 0010:dump_stack+0x358/0x39d
[  253.229527] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  253.248453] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  253.256203] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  253.263490] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  253.270774] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  253.278039] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  253.285315] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  253.292643]  ? dump_stack+0x34f/0x39d
[  253.296454]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.301648]  ? mark_held_locks+0x130/0x130
[  253.305883]  ? mark_held_locks+0x130/0x130
[  253.310123]  dump_header+0x27b/0xf72
[  253.313846]  ? pagefault_out_of_memory+0x197/0x197
[  253.318784]  ? __lock_acquire+0x62f/0x4c20
[  253.323038]  ? percpu_ref_get_many+0x240/0x240
[  253.327667]  ? print_usage_bug+0xc0/0xc0
[  253.331741]  ? zap_class+0x640/0x640
[  253.335453]  ? print_usage_bug+0xc0/0xc0
[  253.339661]  ? print_usage_bug+0xc0/0xc0
[  253.343733]  ? zap_class+0x640/0x640
[  253.347459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.353009]  ? find_held_lock+0x36/0x1c0
[  253.357090]  ? mark_held_locks+0xc7/0x130
[  253.361251]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  253.366361]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  253.371473]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  253.376072]  ? trace_hardirqs_on+0xbd/0x310
[  253.380402]  ? kasan_check_read+0x11/0x20
[  253.384556]  ? ___ratelimit+0x3b4/0x672
[  253.388545]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.393673]  ? trace_hardirqs_on+0x310/0x310
[  253.398116]  ? lock_downgrade+0x900/0x900
[  253.402279]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.407390]  ? ___ratelimit+0x3b9/0x672
[  253.411374]  ? idr_get_free+0xf70/0xf70
[  253.415362]  ? find_held_lock+0x36/0x1c0
[  253.419439]  oom_kill_process.cold.27+0x10/0x903
[  253.424218]  ? zap_class+0x640/0x640
[  253.427939]  ? check_preemption_disabled+0x48/0x280
[  253.432982]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.437918]  ? kasan_check_read+0x11/0x20
[  253.442080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.447366]  ? oom_evaluate_task+0x540/0x540
[  253.451786]  ? find_held_lock+0x36/0x1c0
[  253.455863]  ? out_of_memory+0x974/0x1430
[  253.460031]  ? lock_downgrade+0x900/0x900
[  253.464202]  ? check_preemption_disabled+0x48/0x280
[  253.469239]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.474180]  ? kasan_check_read+0x11/0x20
[  253.478350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.483638]  ? rcu_softirq_qs+0x20/0x20
[  253.487626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.493169]  ? oom_evaluate_task+0x302/0x540
[  253.497588]  out_of_memory+0xa84/0x1430
[  253.501580]  ? oom_killer_disable+0x3a0/0x3a0
[  253.506087]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  253.511026]  ? __ww_mutex_check_waiters+0x160/0x160
[  253.516076]  __alloc_pages_slowpath+0x2354/0x2e10
[  253.520995]  ? warn_alloc+0x120/0x120
[  253.524802]  ? mark_held_locks+0x130/0x130
[  253.529057]  ? find_get_entry+0xaae/0x1120
[  253.533329]  ? filemap_map_pages+0x1a20/0x1a20
[  253.537936]  ? zap_class+0x640/0x640
[  253.541695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.547260]  ? check_preemption_disabled+0x48/0x280
[  253.552285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.557875]  ? should_fail+0x22d/0xd01
[  253.561770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.566889]  ? zap_class+0x640/0x640
[  253.570635]  ? __lock_is_held+0xb5/0x140
[  253.574709]  ? mark_held_locks+0x130/0x130
[  253.578949]  ? lock_release+0xa00/0xa00
[  253.582936]  ? perf_trace_sched_process_exec+0x860/0x860
[  253.588399]  ? xa_load+0x2ba/0x460
[  253.591946]  ? lock_downgrade+0x900/0x900
[  253.596122]  ? __might_sleep+0x95/0x190
[  253.600131]  __alloc_pages_nodemask+0xa80/0xde0
[  253.604826]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.609873]  ? __page_cache_alloc+0x191/0x5c0
[  253.614416]  ? xa_load+0x2e1/0x460
[  253.617966]  ? xa_clear_mark+0x40/0x40
[  253.621882]  ? zap_class+0x640/0x640
[  253.625614]  ? zap_class+0x640/0x640
[  253.629337]  ? zap_class+0x640/0x640
[  253.633066]  ? __do_page_cache_readahead+0x663/0x810
[  253.638181]  ? find_held_lock+0x36/0x1c0
[  253.642255]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  253.647840]  alloc_pages_current+0x173/0x350
[  253.652265]  __page_cache_alloc+0x38c/0x5c0
[  253.656589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.661539]  ? kasan_check_read+0x11/0x20
[  253.665713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.671000]  ? generic_perform_write+0x6a0/0x6a0
[  253.675764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.681314]  ? check_preemption_disabled+0x48/0x280
[  253.686384]  filemap_fault+0x1595/0x25f0
[  253.690460]  ? __lock_page_or_retry+0xa00/0xa00
[  253.695133]  ? mark_held_locks+0x130/0x130
[  253.699404]  ? filemap_map_pages+0xd6b/0x1a20
[  253.703917]  ? lock_downgrade+0x900/0x900
[  253.708079]  ? check_preemption_disabled+0x48/0x280
[  253.713126]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.718087]  ? kasan_check_read+0x11/0x20
[  253.722249]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.727540]  ? rcu_softirq_qs+0x20/0x20
[  253.731545]  ? filemap_map_pages+0xd92/0x1a20
[  253.736091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.741657]  ? find_get_entries_tag+0x1400/0x1400
[  253.746521]  ? __lock_acquire+0x62f/0x4c20
[  253.750792]  ? lock_acquire+0x1ed/0x520
[  253.754786]  ? ext4_filemap_fault+0x7a/0xad
[  253.759132]  ? lock_release+0xa00/0xa00
[  253.763109]  ? perf_trace_sched_process_exec+0x860/0x860
[  253.768571]  ? print_usage_bug+0xc0/0xc0
[  253.772640]  ? print_usage_bug+0xc0/0xc0
[  253.776721]  ? down_read+0x8d/0x120
[  253.780366]  ? ext4_filemap_fault+0x7a/0xad
[  253.784700]  ? __down_interruptible+0x700/0x700
[  253.789384]  ext4_filemap_fault+0x82/0xad
[  253.793550]  __do_fault+0x100/0x6b0
[  253.797189]  ? pmd_devmap_trans_unstable+0x220/0x220
[  253.802300]  ? mark_held_locks+0x130/0x130
[  253.806542]  ? mark_held_locks+0x130/0x130
[  253.810775]  ? find_held_lock+0x36/0x1c0
[  253.814848]  ? find_held_lock+0x36/0x1c0
[  253.818920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.824473]  __handle_mm_fault+0x3ea0/0x5be0
[  253.828886]  ? poll_select_copy_remaining+0x18c/0x6a0
[  253.834105]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  253.838958]  ? __might_fault+0x12b/0x1e0
[  253.843025]  ? lock_downgrade+0x900/0x900
[  253.847208]  ? zap_class+0x640/0x640
[  253.850922]  ? zap_class+0x640/0x640
[  253.854674]  ? find_held_lock+0x36/0x1c0
[  253.858747]  ? handle_mm_fault+0x42a/0xc70
[  253.863000]  ? lock_downgrade+0x900/0x900
[  253.867150]  ? check_preemption_disabled+0x48/0x280
[  253.872168]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.877113]  ? kasan_check_read+0x11/0x20
[  253.881262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.886557]  ? rcu_softirq_qs+0x20/0x20
[  253.890533]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.895644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.901189]  ? check_preemption_disabled+0x48/0x280
[  253.906221]  handle_mm_fault+0x54f/0xc70
[  253.910287]  ? __handle_mm_fault+0x5be0/0x5be0
[  253.914879]  ? find_vma+0x34/0x190
[  253.918454]  __do_page_fault+0x5e8/0xe60
[  253.922543]  ? trace_hardirqs_off+0xb8/0x310
[  253.926959]  do_page_fault+0xf2/0x7e0
[  253.930762]  ? vmalloc_sync_all+0x30/0x30
[  253.934908]  ? error_entry+0x70/0xd0
[  253.938630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.943657]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.948619]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.953547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.958395]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.963430]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.968886]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  253.973911]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.978931]  ? page_fault+0x8/0x30
[  253.982473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.987331]  ? page_fault+0x8/0x30
[  253.990878]  page_fault+0x1e/0x30
[  253.994375] RIP: 0033:0x7fafaecd0dd3
[  253.998118] Code: Bad RIP value.
[  254.001514] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  254.006880] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  254.014158] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  254.021452] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  254.028731] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  254.036010] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  254.043373] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  254.043379] warn_alloc_show_mem: 1 callbacks suppressed
[  254.043386] Mem-Info:
[  254.050436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.055814] active_anon:50685 inactive_anon:189 isolated_anon:0
[  254.055814]  active_file:14 inactive_file:14 isolated_file:0
[  254.055814]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.055814]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  254.055814]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  254.055814]  free:13759 free_pcp:552 free_cma:0
[  254.058187] Call Trace:
[  254.067581] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.100461]  <IRQ>
[  254.103042] 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
[  254.130488]  dump_stack+0x244/0x39d
[  254.132615] lowmem_reserve[]: 0 2818 6321 6321
[  254.158751]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.162383] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  254.166982]  warn_alloc.cold.116+0xb7/0x1bd
[  254.172151] lowmem_reserve[]: 0 0 3503 3503
[  254.199781]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.204085] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  254.208410]  ? lock_downgrade+0x900/0x900
[  254.213223] lowmem_reserve[]: 0 0 0 0
[  254.242310]  ? trace_hardirqs_off+0xb8/0x310
[  254.246436] 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
[  254.250232]  ? trace_hardirqs_off+0xb8/0x310
[  254.254628] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  254.268169]  __alloc_pages_slowpath+0x26e8/0x2e10
[  254.272557] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  254.287952]  ? warn_alloc+0x120/0x120
[  254.292771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.307884]  ? print_usage_bug+0xc0/0xc0
[  254.311668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.320532]  ? warn_alloc+0x120/0x120
[  254.324581] 272 total pagecache pages
[  254.333161]  ? warn_alloc+0x120/0x120
[  254.336948] 0 pages in swap cache
[  254.340740]  ? print_usage_bug+0xc0/0xc0
[  254.344517] Swap cache stats: add 0, delete 0, find 0/0
[  254.347970]  ? kvm_clock_read+0x18/0x30
[  254.352009] Free swap  = 0kB
[  254.357373]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  254.361328] Total swap = 0kB
[  254.361337] 1965979 pages RAM
[  254.364388]  ? print_usage_bug+0xc0/0xc0
[  254.369405] 0 pages HighMem/MovableOnly
[  254.372419]  ? __lock_acquire+0x62f/0x4c20
[  254.375521] 342853 pages reserved
[  254.379607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.383557] 0 pages cma reserved
[  254.387790]  ? should_fail+0x22d/0xd01
[  254.391305] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.396752]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.396769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.396783]  ? __lock_acquire+0x62f/0x4c20
[  254.396804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.400219] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.404032]  ? __lock_acquire+0x62f/0x4c20
[  254.410510] init cpuset=/ mems_allowed=0
[  254.415792]  ? should_fail+0x22d/0xd01
[  254.452052]  ? rcu_irq_exit+0x1a2/0x390
[  254.456066]  ? mark_held_locks+0x130/0x130
[  254.460320]  ? mark_held_locks+0x130/0x130
[  254.464568]  ? mark_held_locks+0xc7/0x130
[  254.468726]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  254.473764]  ? zap_class+0x640/0x640
[  254.477509]  ? print_usage_bug+0xc0/0xc0
[  254.481580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.487137]  ? check_preemption_disabled+0x48/0x280
[  254.492168]  ? __lock_is_held+0xb5/0x140
[  254.496256]  __alloc_pages_nodemask+0xa80/0xde0
[  254.500934]  ? zap_class+0x640/0x640
[  254.504659]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.509694]  ? find_held_lock+0x36/0x1c0
[  254.513833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.518511]  ? lock_downgrade+0x900/0x900
[  254.522670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.528264]  cache_grow_begin+0xa5/0x8c0
[  254.532372]  ? do_raw_spin_unlock+0xa7/0x330
[  254.536798]  fallback_alloc+0x204/0x2e0
[  254.540805]  ____cache_alloc_node+0x1c7/0x1e0
[  254.545328]  kmem_cache_alloc_node+0xe3/0x730
[  254.549841]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.554107]  __alloc_skb+0x119/0x770
[  254.557978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.563262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.567677]  ? lock_downgrade+0x900/0x900
[  254.571838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.577381]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.582853]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.588316]  ? addrconf_rs_timer+0x690/0x690
[  254.592730]  ndisc_alloc_skb+0x144/0x340
[  254.596788]  ndisc_send_rs+0x331/0x6e0
[  254.600703]  addrconf_rs_timer+0x314/0x690
[  254.604936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.609181]  call_timer_fn+0x272/0x920
[  254.613077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.617309]  ? process_timeout+0x40/0x40
[  254.621380]  ? mark_held_locks+0xc7/0x130
[  254.625530]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.630024]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.634537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.638766]  ? lockdep_hardirqs_on+0x296/0x5b0
[  254.643349]  ? trace_hardirqs_on+0xbd/0x310
[  254.647668]  ? kasan_check_read+0x11/0x20
[  254.651845]  ? __run_timers+0x7da/0xc70
[  254.655848]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.660950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.665184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.669414]  __run_timers+0x7e5/0xc70
[  254.673223]  ? timer_fixup_init+0x70/0x70
[  254.677382]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.682431]  ? zap_class+0x640/0x640
[  254.686191]  ? print_usage_bug+0xc0/0xc0
[  254.690791]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.695986]  ? find_held_lock+0x36/0x1c0
[  254.700054]  ? zap_class+0x640/0x640
[  254.703769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.709318]  ? check_preemption_disabled+0x48/0x280
[  254.714339]  ? __lock_is_held+0xb5/0x140
[  254.718399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.723930]  ? check_preemption_disabled+0x48/0x280
[  254.728962]  run_timer_softirq+0x52/0xb0
[  254.733021]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.738053]  __do_softirq+0x308/0xb7e
[  254.741856]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.746353]  ? lock_downgrade+0x900/0x900
[  254.750517]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.755626]  ? pvclock_read_flags+0x160/0x160
[  254.760121]  ? lapic_next_event+0x5a/0x90
[  254.764270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.769809]  ? kvm_clock_read+0x18/0x30
[  254.773793]  ? kvm_sched_clock_read+0x9/0x20
[  254.778207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.783747]  ? check_preemption_disabled+0x48/0x280
[  254.788785]  irq_exit+0x17f/0x1c0
[  254.792243]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.797102]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.802987]  ? interrupt_entry+0xb5/0xc0
[  254.807056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.812090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.817117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.821973]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.827037]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.832078]  ? task_prio+0x50/0x50
[  254.835623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.841161]  ? check_preemption_disabled+0x48/0x280
[  254.846205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.851058]  apic_timer_interrupt+0xf/0x20
[  254.855678]  </IRQ>
[  254.857916] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  254.863018] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  254.881919] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.889636] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  254.896914] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  254.904180] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  254.911444] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  254.918708] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  254.925998]  shrink_active_list+0x14eb/0x1f00
[  254.930516]  ? shrink_inactive_list+0x1c60/0x1c60
[  254.935361]  ? trace_hardirqs_on+0xbd/0x310
[  254.939684]  ? shrink_inactive_list+0xa4a/0x1c60
[  254.944446]  ? mark_held_locks+0x130/0x130
[  254.948678]  ? __lock_acquire+0x62f/0x4c20
[  254.952947]  ? print_usage_bug+0xc0/0xc0
[  254.957031]  ? mark_held_locks+0x130/0x130
[  254.961272]  ? mark_held_locks+0x130/0x130
[  254.965520]  ? print_usage_bug+0xc0/0xc0
[  254.969593]  ? __lock_acquire+0x62f/0x4c20
[  254.973846]  ? zap_class+0x640/0x640
[  254.977568]  ? zap_class+0x640/0x640
[  254.981365]  ? mark_held_locks+0x130/0x130
[  254.985599]  ? zap_class+0x640/0x640
[  254.989347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.994886]  ? check_preemption_disabled+0x48/0x280
[  254.999912]  ? __lock_is_held+0xb5/0x140
[  255.003984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  255.008996]  ? inactive_list_is_low+0x305/0x880
[  255.013773]  ? lruvec_lru_size+0x450/0x450
[  255.018040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.023593]  ? lruvec_lru_size+0x2ab/0x450
[  255.027837]  ? percpu_ref_put_many+0x13e/0x260
[  255.032420]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  255.037354]  ? find_held_lock+0x36/0x1c0
[  255.041421]  shrink_node_memcg+0x803/0x18f0
[  255.045756]  ? shrink_active_list+0x1f00/0x1f00
[  255.050430]  ? lock_downgrade+0x900/0x900
[  255.054586]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.059698]  ? cgroup_procs_write_finish+0xf0/0xf0
[  255.064634]  ? _raw_spin_unlock+0x2c/0x50
[  255.068806]  shrink_node+0x3bc/0x16b0
[  255.072612]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  255.077910]  ? shrink_node_memcg+0x18f0/0x18f0
[  255.082492]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.087093]  ? trace_hardirqs_on+0xbd/0x310
[  255.091413]  ? vmpressure+0x271/0x340
[  255.095230]  ? do_raw_spin_unlock+0xa7/0x330
[  255.099637]  ? do_raw_spin_trylock+0x270/0x270
[  255.104233]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.109773]  ? __cpuset_node_allowed+0x19b/0x660
[  255.114532]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  255.120245]  ? vmpressure+0x1a2/0x340
[  255.124065]  do_try_to_free_pages+0x3e7/0x1290
[  255.128653]  ? zap_class+0x640/0x640
[  255.132379]  ? shrink_node+0x16b0/0x16b0
[  255.136439]  ? __lock_is_held+0xb5/0x140
[  255.140522]  try_to_free_pages+0x4d0/0xb90
[  255.144794]  ? do_try_to_free_pages+0x1290/0x1290
[  255.149667]  ? lock_acquire+0x1ed/0x520
[  255.153642]  ? set_page_refcounted+0x280/0x280
[  255.158247]  ? lock_release+0xa00/0xa00
[  255.162216]  ? _raw_spin_unlock_irq+0x60/0x80
[  255.166711]  ? psi_memstall_enter+0x240/0x2b0
[  255.171210]  ? psi_memstall_tick+0x230/0x230
[  255.175627]  __alloc_pages_slowpath+0xa14/0x2e10
[  255.180438]  ? warn_alloc+0x120/0x120
[  255.184233]  ? mark_held_locks+0x130/0x130
[  255.188483]  ? find_get_entry+0xaae/0x1120
[  255.192719]  ? filemap_map_pages+0x1a20/0x1a20
[  255.197297]  ? zap_class+0x640/0x640
[  255.201025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.206566]  ? check_preemption_disabled+0x48/0x280
[  255.211607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.217153]  ? should_fail+0x22d/0xd01
[  255.221066]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.226164]  ? zap_class+0x640/0x640
[  255.229913]  ? __lock_is_held+0xb5/0x140
[  255.234003]  ? mark_held_locks+0x130/0x130
[  255.238285]  ? lock_release+0xa00/0xa00
[  255.242272]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.247720]  ? xa_load+0x2ba/0x460
[  255.251265]  ? lock_downgrade+0x900/0x900
[  255.255434]  ? __might_sleep+0x95/0x190
[  255.259409]  __alloc_pages_nodemask+0xa80/0xde0
[  255.264098]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.269117]  ? __page_cache_alloc+0x191/0x5c0
[  255.273657]  ? xa_load+0x2e1/0x460
[  255.277224]  ? xa_clear_mark+0x40/0x40
[  255.281129]  ? zap_class+0x640/0x640
[  255.284851]  ? zap_class+0x640/0x640
[  255.288559]  ? zap_class+0x640/0x640
[  255.292269]  ? __do_page_cache_readahead+0x663/0x810
[  255.297390]  ? find_held_lock+0x36/0x1c0
[  255.301468]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  255.307009]  alloc_pages_current+0x173/0x350
[  255.311424]  __page_cache_alloc+0x38c/0x5c0
[  255.315753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.320691]  ? kasan_check_read+0x11/0x20
[  255.324838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.330149]  ? generic_perform_write+0x6a0/0x6a0
[  255.334906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.340446]  ? check_preemption_disabled+0x48/0x280
[  255.345469]  filemap_fault+0x1595/0x25f0
[  255.349546]  ? __lock_page_or_retry+0xa00/0xa00
[  255.354221]  ? mark_held_locks+0x130/0x130
[  255.358466]  ? filemap_map_pages+0xd6b/0x1a20
[  255.363010]  ? lock_downgrade+0x900/0x900
[  255.367157]  ? check_preemption_disabled+0x48/0x280
[  255.372189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.377134]  ? kasan_check_read+0x11/0x20
[  255.381297]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.386588]  ? rcu_softirq_qs+0x20/0x20
[  255.390577]  ? filemap_map_pages+0xd92/0x1a20
[  255.395114]  ? print_usage_bug+0xc0/0xc0
[  255.399182]  ? find_get_entries_tag+0x1400/0x1400
[  255.404023]  ? __kasan_slab_free+0x102/0x150
[  255.408436]  ? kasan_slab_free+0xe/0x10
[  255.412419]  ? kmem_cache_free+0x83/0x290
[  255.416577]  ? __sigqueue_free.part.29+0x74/0x90
[  255.421349]  ? lock_acquire+0x1ed/0x520
[  255.425351]  ? ext4_filemap_fault+0x7a/0xad
[  255.429678]  ? lock_release+0xa00/0xa00
[  255.433651]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.439108]  ? print_usage_bug+0xc0/0xc0
[  255.443170]  ? print_usage_bug+0xc0/0xc0
[  255.447242]  ? down_read+0x8d/0x120
[  255.450882]  ? ext4_filemap_fault+0x7a/0xad
[  255.455209]  ? __down_interruptible+0x700/0x700
[  255.459891]  ext4_filemap_fault+0x82/0xad
[  255.464064]  __do_fault+0x100/0x6b0
[  255.467695]  ? pmd_devmap_trans_unstable+0x220/0x220
[  255.472803]  ? mark_held_locks+0x130/0x130
[  255.477050]  ? mark_held_locks+0x130/0x130
[  255.481287]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  255.486831]  ? rcu_pm_notify+0xc0/0xc0
[  255.490727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.496284]  __handle_mm_fault+0x3ea0/0x5be0
[  255.500704]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  255.505544]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.510039]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.514635]  ? trace_hardirqs_on+0xbd/0x310
[  255.518954]  ? kasan_check_read+0x11/0x20
[  255.523103]  ? __set_current_blocked+0xdf/0x120
[  255.527773]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.532884]  ? zap_class+0x640/0x640
[  255.536605]  ? zap_class+0x640/0x640
[  255.540355]  ? find_held_lock+0x36/0x1c0
[  255.544424]  ? handle_mm_fault+0x42a/0xc70
[  255.548655]  ? lock_downgrade+0x900/0x900
[  255.552800]  ? check_preemption_disabled+0x48/0x280
[  255.557832]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.562759]  ? kasan_check_read+0x11/0x20
[  255.566904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.572177]  ? rcu_softirq_qs+0x20/0x20
[  255.576145]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.581249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.586785]  ? check_preemption_disabled+0x48/0x280
[  255.591827]  handle_mm_fault+0x54f/0xc70
[  255.595909]  ? __handle_mm_fault+0x5be0/0x5be0
[  255.600513]  ? find_vma+0x34/0x190
[  255.604065]  __do_page_fault+0x5e8/0xe60
[  255.608134]  ? exit_to_usermode_loop+0x1f4/0x380
[  255.612899]  do_page_fault+0xf2/0x7e0
[  255.616698]  ? vmalloc_sync_all+0x30/0x30
[  255.620845]  ? error_entry+0x70/0xd0
[  255.624557]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.629588]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.634516]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.639445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.644287]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.649303]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.654771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.659821]  ? page_fault+0x8/0x30
[  255.663366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.668228]  ? page_fault+0x8/0x30
[  255.671794]  page_fault+0x1e/0x30
[  255.675282] RIP: 0033:0x45db60
[  255.678486] Code: Bad RIP value.
[  255.681850] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  255.687203] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  255.694483] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  255.701744] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  255.709027] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  255.716299] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  255.723588] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  255.723672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.729827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.729835] Call Trace:
[  255.736423] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.745690]  <IRQ>
[  255.748258] syz-fuzzer cpuset=/ mems_allowed=0
[  255.758485]  dump_stack+0x244/0x39d
[  255.768838]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.774078]  warn_alloc.cold.116+0xb7/0x1bd
[  255.778443]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.783303]  ? lock_downgrade+0x900/0x900
[  255.787478]  ? trace_hardirqs_off+0xb8/0x310
[  255.791905]  ? trace_hardirqs_off+0xb8/0x310
[  255.796328]  __alloc_pages_slowpath+0x26e8/0x2e10
[  255.801199]  ? warn_alloc+0x120/0x120
[  255.805006]  ? print_usage_bug+0xc0/0xc0
[  255.809076]  ? warn_alloc+0x120/0x120
[  255.812882]  ? warn_alloc+0x120/0x120
[  255.816681]  ? print_usage_bug+0xc0/0xc0
[  255.820746]  ? print_usage_bug+0xc0/0xc0
[  255.824807]  ? __lock_acquire+0x62f/0x4c20
[  255.829055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.834622]  ? should_fail+0x22d/0xd01
[  255.838531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.843652]  ? __lock_acquire+0x62f/0x4c20
[  255.847891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.852991]  ? __lock_acquire+0x62f/0x4c20
[  255.857224]  ? should_fail+0x22d/0xd01
[  255.861127]  ? find_held_lock+0x36/0x1c0
[  255.865199]  ? mark_held_locks+0x130/0x130
[  255.869441]  ? mark_held_locks+0x130/0x130
[  255.873675]  ? zap_class+0x640/0x640
[  255.877404]  ? zap_class+0x640/0x640
[  255.881125]  ? print_usage_bug+0xc0/0xc0
[  255.885187]  ? do_raw_spin_unlock+0xa7/0x330
[  255.889615]  ? zap_class+0x640/0x640
[  255.893333]  ? print_usage_bug+0xc0/0xc0
[  255.897417]  ? wq_watchdog_touch+0x9c/0xfe
[  255.901670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.907207]  ? check_preemption_disabled+0x48/0x280
[  255.912267]  ? __lock_is_held+0xb5/0x140
[  255.916339]  __alloc_pages_nodemask+0xa80/0xde0
[  255.921006]  ? zap_class+0x640/0x640
[  255.924721]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.929776]  ? find_held_lock+0x36/0x1c0
[  255.933851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.938520]  ? lock_downgrade+0x900/0x900
[  255.942684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.948229]  cache_grow_begin+0xa5/0x8c0
[  255.952290]  ? do_raw_spin_unlock+0xa7/0x330
[  255.956709]  fallback_alloc+0x204/0x2e0
[  255.960689]  ____cache_alloc_node+0x1c7/0x1e0
[  255.965189]  kmem_cache_alloc_node+0xe3/0x730
[  255.969703]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.973950]  __alloc_skb+0x119/0x770
[  255.977663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.982939]  ? netdev_alloc_frag+0x1f0/0x1f0
[  255.987361]  ? lock_downgrade+0x900/0x900
[  255.991572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.997121]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.002610]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.008081]  ? addrconf_rs_timer+0x690/0x690
[  256.012503]  ndisc_alloc_skb+0x144/0x340
[  256.016572]  ndisc_send_rs+0x331/0x6e0
[  256.020478]  addrconf_rs_timer+0x314/0x690
[  256.024715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.028962]  call_timer_fn+0x272/0x920
[  256.032864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.037101]  ? process_timeout+0x40/0x40
[  256.041188]  ? mark_held_locks+0xc7/0x130
[  256.045343]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.049838]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.054334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.058566]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.063149]  ? trace_hardirqs_on+0xbd/0x310
[  256.067484]  ? kasan_check_read+0x11/0x20
[  256.071644]  ? __run_timers+0x7da/0xc70
[  256.075658]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.080763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.085001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.089232]  __run_timers+0x7e5/0xc70
[  256.093053]  ? timer_fixup_init+0x70/0x70
[  256.097201]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.102228]  ? zap_class+0x640/0x640
[  256.105942]  ? print_usage_bug+0xc0/0xc0
[  256.110005]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.115202]  ? find_held_lock+0x36/0x1c0
[  256.119270]  ? zap_class+0x640/0x640
[  256.123007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.128546]  ? check_preemption_disabled+0x48/0x280
[  256.133580]  ? __lock_is_held+0xb5/0x140
[  256.137657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.143197]  ? check_preemption_disabled+0x48/0x280
[  256.148219]  run_timer_softirq+0x52/0xb0
[  256.152285]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.157308]  __do_softirq+0x308/0xb7e
[  256.161128]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.165632]  ? lock_downgrade+0x900/0x900
[  256.169784]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.174896]  ? pvclock_read_flags+0x160/0x160
[  256.179411]  ? lapic_next_event+0x5a/0x90
[  256.183570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.189129]  ? kvm_clock_read+0x18/0x30
[  256.193126]  ? kvm_sched_clock_read+0x9/0x20
[  256.197539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.203084]  ? check_preemption_disabled+0x48/0x280
[  256.208131]  irq_exit+0x17f/0x1c0
[  256.211583]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.216443]  ? smp_reschedule_interrupt+0x109/0x650
[  256.221467]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.227366]  ? interrupt_entry+0xb5/0xc0
[  256.231429]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.236474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.241490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.246335]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.251374]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.256404]  ? task_prio+0x50/0x50
[  256.259949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.265489]  ? check_preemption_disabled+0x48/0x280
[  256.270526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.275388]  apic_timer_interrupt+0xf/0x20
[  256.279642]  </IRQ>
[  256.281880] RIP: 0010:dump_stack+0x358/0x39d
[  256.286307] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  256.305225] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  256.312932] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  256.320213] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  256.327478] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  256.334740] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  256.342007] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  256.349328]  ? dump_stack+0x34f/0x39d
[  256.353141]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.358355]  ? mark_held_locks+0x130/0x130
[  256.362588]  ? mark_held_locks+0x130/0x130
[  256.366828]  dump_header+0x27b/0xf72
[  256.370555]  ? pagefault_out_of_memory+0x197/0x197
[  256.375493]  ? __lock_acquire+0x62f/0x4c20
[  256.379733]  ? percpu_ref_get_many+0x240/0x240
[  256.384324]  ? print_usage_bug+0xc0/0xc0
[  256.388405]  ? zap_class+0x640/0x640
[  256.392130]  ? print_usage_bug+0xc0/0xc0
[  256.396190]  ? print_usage_bug+0xc0/0xc0
[  256.400256]  ? zap_class+0x640/0x640
[  256.403975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.409530]  ? find_held_lock+0x36/0x1c0
[  256.413600]  ? mark_held_locks+0xc7/0x130
[  256.417761]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.422879]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.427997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  256.432585]  ? trace_hardirqs_on+0xbd/0x310
[  256.436906]  ? kasan_check_read+0x11/0x20
[  256.441061]  ? ___ratelimit+0x3b4/0x672
[  256.445057]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.450174]  ? trace_hardirqs_on+0x310/0x310
[  256.454589]  ? lock_downgrade+0x900/0x900
[  256.458745]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.463867]  ? ___ratelimit+0x3b9/0x672
[  256.467858]  ? idr_get_free+0xf70/0xf70
[  256.471844]  ? find_held_lock+0x36/0x1c0
[  256.475917]  oom_kill_process.cold.27+0x10/0x903
[  256.480675]  ? zap_class+0x640/0x640
[  256.484391]  ? check_preemption_disabled+0x48/0x280
[  256.489409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.494342]  ? kasan_check_read+0x11/0x20
[  256.498490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.503773]  ? oom_evaluate_task+0x540/0x540
[  256.508200]  ? find_held_lock+0x36/0x1c0
[  256.512268]  ? out_of_memory+0x974/0x1430
[  256.516417]  ? lock_downgrade+0x900/0x900
[  256.520567]  ? check_preemption_disabled+0x48/0x280
[  256.525589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.530519]  ? kasan_check_read+0x11/0x20
[  256.534668]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.539958]  ? rcu_softirq_qs+0x20/0x20
[  256.543937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.549523]  ? oom_evaluate_task+0x302/0x540
[  256.553958]  out_of_memory+0xa84/0x1430
[  256.558161]  ? oom_killer_disable+0x3a0/0x3a0
[  256.562670]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  256.567602]  ? __ww_mutex_check_waiters+0x160/0x160
[  256.572653]  __alloc_pages_slowpath+0x2354/0x2e10
[  256.577522]  ? warn_alloc+0x120/0x120
[  256.581344]  ? mark_held_locks+0x130/0x130
[  256.585587]  ? find_get_entry+0xaae/0x1120
[  256.589846]  ? filemap_map_pages+0x1a20/0x1a20
[  256.594464]  ? zap_class+0x640/0x640
[  256.598184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.603740]  ? check_preemption_disabled+0x48/0x280
[  256.608756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.614299]  ? should_fail+0x22d/0xd01
[  256.618197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.623324]  ? zap_class+0x640/0x640
[  256.627069]  ? __lock_is_held+0xb5/0x140
[  256.631140]  ? mark_held_locks+0x130/0x130
[  256.635389]  ? lock_release+0xa00/0xa00
[  256.639365]  ? perf_trace_sched_process_exec+0x860/0x860
[  256.644815]  ? xa_load+0x2ba/0x460
[  256.648356]  ? lock_downgrade+0x900/0x900
[  256.652509]  ? __might_sleep+0x95/0x190
[  256.656488]  __alloc_pages_nodemask+0xa80/0xde0
[  256.661163]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  256.666186]  ? __page_cache_alloc+0x191/0x5c0
[  256.670680]  ? xa_load+0x2e1/0x460
[  256.674222]  ? xa_clear_mark+0x40/0x40
[  256.678109]  ? zap_class+0x640/0x640
[  256.681827]  ? zap_class+0x640/0x640
[  256.685540]  ? zap_class+0x640/0x640
[  256.689457]  ? __do_page_cache_readahead+0x663/0x810
[  256.694605]  ? find_held_lock+0x36/0x1c0
[  256.698691]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  256.704227]  alloc_pages_current+0x173/0x350
[  256.708664]  __page_cache_alloc+0x38c/0x5c0
[  256.712979]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.717902]  ? kasan_check_read+0x11/0x20
[  256.722060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.727368]  ? generic_perform_write+0x6a0/0x6a0
[  256.732151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.737684]  ? check_preemption_disabled+0x48/0x280
[  256.742702]  filemap_fault+0x1595/0x25f0
[  256.746783]  ? __lock_page_or_retry+0xa00/0xa00
[  256.751451]  ? mark_held_locks+0x130/0x130
[  256.755738]  ? filemap_map_pages+0xd6b/0x1a20
[  256.760234]  ? lock_downgrade+0x900/0x900
[  256.764382]  ? check_preemption_disabled+0x48/0x280
[  256.769399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.774326]  ? kasan_check_read+0x11/0x20
[  256.778472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.783760]  ? rcu_softirq_qs+0x20/0x20
[  256.787740]  ? filemap_map_pages+0xd92/0x1a20
[  256.792232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.797787]  ? find_get_entries_tag+0x1400/0x1400
[  256.802635]  ? __lock_acquire+0x62f/0x4c20
[  256.806879]  ? lock_acquire+0x1ed/0x520
[  256.810848]  ? ext4_filemap_fault+0x7a/0xad
[  256.815187]  ? lock_release+0xa00/0xa00
[  256.819161]  ? perf_trace_sched_process_exec+0x860/0x860
[  256.824609]  ? print_usage_bug+0xc0/0xc0
[  256.828725]  ? print_usage_bug+0xc0/0xc0
[  256.832794]  ? down_read+0x8d/0x120
[  256.836464]  ? ext4_filemap_fault+0x7a/0xad
[  256.840784]  ? __down_interruptible+0x700/0x700
[  256.845490]  ext4_filemap_fault+0x82/0xad
[  256.849666]  __do_fault+0x100/0x6b0
[  256.853306]  ? pmd_devmap_trans_unstable+0x220/0x220
[  256.858453]  ? mark_held_locks+0x130/0x130
[  256.862690]  ? mark_held_locks+0x130/0x130
[  256.866924]  ? find_held_lock+0x36/0x1c0
[  256.871006]  ? find_held_lock+0x36/0x1c0
[  256.875072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.880623]  __handle_mm_fault+0x3ea0/0x5be0
[  256.885030]  ? poll_select_copy_remaining+0x18c/0x6a0
[  256.890234]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  256.895085]  ? __might_fault+0x12b/0x1e0
[  256.899148]  ? lock_downgrade+0x900/0x900
[  256.903305]  ? zap_class+0x640/0x640
[  256.907019]  ? zap_class+0x640/0x640
[  256.910779]  ? find_held_lock+0x36/0x1c0
[  256.914891]  ? handle_mm_fault+0x42a/0xc70
[  256.919152]  ? lock_downgrade+0x900/0x900
[  256.923321]  ? check_preemption_disabled+0x48/0x280
[  256.928355]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.933306]  ? kasan_check_read+0x11/0x20
[  256.937457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.942730]  ? rcu_softirq_qs+0x20/0x20
[  256.946716]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.951819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.957392]  ? check_preemption_disabled+0x48/0x280
[  256.962441]  handle_mm_fault+0x54f/0xc70
[  256.966502]  ? __handle_mm_fault+0x5be0/0x5be0
[  256.971111]  ? find_vma+0x34/0x190
[  256.974656]  __do_page_fault+0x5e8/0xe60
[  256.978718]  ? trace_hardirqs_off+0xb8/0x310
[  256.983154]  do_page_fault+0xf2/0x7e0
[  256.986990]  ? vmalloc_sync_all+0x30/0x30
[  256.991159]  ? error_entry+0x70/0xd0
[  256.994871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.999885]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.004808]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.009733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.014588]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.019625]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.025075]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  257.030088]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.035113]  ? page_fault+0x8/0x30
[  257.038666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.043504]  ? page_fault+0x8/0x30
[  257.047040]  page_fault+0x1e/0x30
[  257.050500] RIP: 0033:0x7fafaecd0dd3
[  257.054218] Code: Bad RIP value.
[  257.057608] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  257.062981] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  257.070259] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  257.077518] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  257.084781] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  257.092039] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  257.099346] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  257.099351] warn_alloc_show_mem: 1 callbacks suppressed
[  257.099357] Mem-Info:
[  257.106380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.106388] Call Trace:
[  257.111756] active_anon:50685 inactive_anon:189 isolated_anon:0
[  257.111756]  active_file:14 inactive_file:14 isolated_file:0
[  257.111756]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.111756]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  257.111756]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  257.111756]  free:13759 free_pcp:552 free_cma:0
[  257.114128]  <IRQ>
[  257.123493] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.126091]  dump_stack+0x244/0x39d
[  257.158954] 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
[  257.161118]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.188542] lowmem_reserve[]: 0 2818 6321 6321
[  257.192178]  warn_alloc.cold.116+0xb7/0x1bd
[  257.218256] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  257.223469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.228028] lowmem_reserve[]: 0 0 3503 3503
[  257.232354]  ? lock_downgrade+0x900/0x900
[  257.259909] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  257.264784]  ? trace_hardirqs_off+0xb8/0x310
[  257.269074] lowmem_reserve[]: 0 0 0 0
[  257.273229]  ? trace_hardirqs_off+0xb8/0x310
[  257.302280] 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
[  257.306694]  __alloc_pages_slowpath+0x26e8/0x2e10
[  257.310470] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  257.314892]  ? warn_alloc+0x120/0x120
[  257.328367] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  257.333205]  ? print_usage_bug+0xc0/0xc0
[  257.348535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  257.352330]  ? warn_alloc+0x120/0x120
[  257.367406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  257.371457]  ? warn_alloc+0x120/0x120
[  257.380283] 272 total pagecache pages
[  257.384083]  ? print_usage_bug+0xc0/0xc0
[  257.392640] 0 pages in swap cache
[  257.396429]  ? kvm_clock_read+0x18/0x30
[  257.400204] Swap cache stats: add 0, delete 0, find 0/0
[  257.404257]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  257.407719] Free swap  = 0kB
[  257.411681]  ? print_usage_bug+0xc0/0xc0
[  257.417034] Total swap = 0kB
[  257.422057]  ? __lock_acquire+0x62f/0x4c20
[  257.425072] 1965979 pages RAM
[  257.429126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.432117] 0 pages HighMem/MovableOnly
[  257.436358]  ? should_fail+0x22d/0xd01
[  257.439438] 342853 pages reserved
[  257.444979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.448966] 0 pages cma reserved
[  257.452886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.456392] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.461581]  ? __lock_acquire+0x62f/0x4c20
[  257.461600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.461616]  ? __lock_acquire+0x62f/0x4c20
[  257.465034] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.470069]  ? should_fail+0x22d/0xd01
[  257.476576] init cpuset=/ mems_allowed=0
[  257.480811]  ? rcu_irq_exit+0x1a2/0x390
[  257.480840]  ? mark_held_locks+0x130/0x130
[  257.515926]  ? mark_held_locks+0x130/0x130
[  257.520165]  ? mark_held_locks+0xc7/0x130
[  257.524313]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  257.529330]  ? zap_class+0x640/0x640
[  257.533057]  ? print_usage_bug+0xc0/0xc0
[  257.537157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.542727]  ? check_preemption_disabled+0x48/0x280
[  257.547767]  ? __lock_is_held+0xb5/0x140
[  257.551869]  __alloc_pages_nodemask+0xa80/0xde0
[  257.556597]  ? zap_class+0x640/0x640
[  257.560317]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.565351]  ? find_held_lock+0x36/0x1c0
[  257.569422]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.574099]  ? lock_downgrade+0x900/0x900
[  257.578257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.583797]  cache_grow_begin+0xa5/0x8c0
[  257.587881]  ? do_raw_spin_unlock+0xa7/0x330
[  257.592311]  fallback_alloc+0x204/0x2e0
[  257.596292]  ____cache_alloc_node+0x1c7/0x1e0
[  257.600794]  kmem_cache_alloc_node+0xe3/0x730
[  257.605316]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.609562]  __alloc_skb+0x119/0x770
[  257.613275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.618556]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.622962]  ? lock_downgrade+0x900/0x900
[  257.627159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.632701]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.638177]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.643628]  ? addrconf_rs_timer+0x690/0x690
[  257.648059]  ndisc_alloc_skb+0x144/0x340
[  257.652126]  ndisc_send_rs+0x331/0x6e0
[  257.656018]  addrconf_rs_timer+0x314/0x690
[  257.660279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.664523]  call_timer_fn+0x272/0x920
[  257.668414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.672664]  ? process_timeout+0x40/0x40
[  257.676737]  ? mark_held_locks+0xc7/0x130
[  257.680890]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.685388]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.689879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.694114]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.698713]  ? trace_hardirqs_on+0xbd/0x310
[  257.703031]  ? kasan_check_read+0x11/0x20
[  257.707181]  ? __run_timers+0x7da/0xc70
[  257.711154]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.716259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.720500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.724765]  __run_timers+0x7e5/0xc70
[  257.728586]  ? timer_fixup_init+0x70/0x70
[  257.732738]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.737754]  ? zap_class+0x640/0x640
[  257.741488]  ? print_usage_bug+0xc0/0xc0
[  257.745569]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.750780]  ? find_held_lock+0x36/0x1c0
[  257.754849]  ? zap_class+0x640/0x640
[  257.759110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.764661]  ? check_preemption_disabled+0x48/0x280
[  257.769696]  ? __lock_is_held+0xb5/0x140
[  257.773773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.779314]  ? check_preemption_disabled+0x48/0x280
[  257.784347]  run_timer_softirq+0x52/0xb0
[  257.788435]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.793467]  __do_softirq+0x308/0xb7e
[  257.797277]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.801775]  ? lock_downgrade+0x900/0x900
[  257.805926]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.811035]  ? pvclock_read_flags+0x160/0x160
[  257.815567]  ? lapic_next_event+0x5a/0x90
[  257.819712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.825256]  ? kvm_clock_read+0x18/0x30
[  257.829233]  ? kvm_sched_clock_read+0x9/0x20
[  257.833640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.839177]  ? check_preemption_disabled+0x48/0x280
[  257.844208]  irq_exit+0x17f/0x1c0
[  257.847677]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.852558]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.858441]  ? interrupt_entry+0xb5/0xc0
[  257.862514]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.867567]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.872584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.877427]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.882472]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.887520]  ? task_prio+0x50/0x50
[  257.891069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.896610]  ? check_preemption_disabled+0x48/0x280
[  257.901647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.906496]  apic_timer_interrupt+0xf/0x20
[  257.910723]  </IRQ>
[  257.912956] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  257.918068] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  257.936967] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  257.944690] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  257.951957] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  257.959239] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  257.966507] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  257.973787] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  257.981092]  shrink_active_list+0x14eb/0x1f00
[  257.985602]  ? shrink_inactive_list+0x1c60/0x1c60
[  257.990442]  ? trace_hardirqs_on+0xbd/0x310
[  257.994766]  ? shrink_inactive_list+0xa4a/0x1c60
[  257.999551]  ? mark_held_locks+0x130/0x130
[  258.003799]  ? __lock_acquire+0x62f/0x4c20
[  258.008036]  ? print_usage_bug+0xc0/0xc0
[  258.012128]  ? mark_held_locks+0x130/0x130
[  258.016379]  ? mark_held_locks+0x130/0x130
[  258.020643]  ? print_usage_bug+0xc0/0xc0
[  258.024722]  ? __lock_acquire+0x62f/0x4c20
[  258.028954]  ? zap_class+0x640/0x640
[  258.032670]  ? zap_class+0x640/0x640
[  258.036390]  ? mark_held_locks+0x130/0x130
[  258.040623]  ? zap_class+0x640/0x640
[  258.044394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.049945]  ? check_preemption_disabled+0x48/0x280
[  258.054982]  ? __lock_is_held+0xb5/0x140
[  258.059077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.064107]  ? inactive_list_is_low+0x305/0x880
[  258.068823]  ? lruvec_lru_size+0x450/0x450
[  258.073080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.078628]  ? lruvec_lru_size+0x2ab/0x450
[  258.082890]  ? percpu_ref_put_many+0x13e/0x260
[  258.087492]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  258.092422]  ? find_held_lock+0x36/0x1c0
[  258.096501]  shrink_node_memcg+0x803/0x18f0
[  258.100850]  ? shrink_active_list+0x1f00/0x1f00
[  258.105525]  ? lock_downgrade+0x900/0x900
[  258.109680]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.114788]  ? cgroup_procs_write_finish+0xf0/0xf0
[  258.119723]  ? _raw_spin_unlock+0x2c/0x50
[  258.123874]  shrink_node+0x3bc/0x16b0
[  258.127673]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  258.132972]  ? shrink_node_memcg+0x18f0/0x18f0
[  258.137550]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.142145]  ? trace_hardirqs_on+0xbd/0x310
[  258.146469]  ? vmpressure+0x271/0x340
[  258.150285]  ? do_raw_spin_unlock+0xa7/0x330
[  258.154713]  ? do_raw_spin_trylock+0x270/0x270
[  258.159300]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.164850]  ? __cpuset_node_allowed+0x19b/0x660
[  258.169607]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  258.175315]  ? vmpressure+0x1a2/0x340
[  258.179137]  do_try_to_free_pages+0x3e7/0x1290
[  258.183719]  ? zap_class+0x640/0x640
[  258.187452]  ? shrink_node+0x16b0/0x16b0
[  258.191516]  ? __lock_is_held+0xb5/0x140
[  258.195589]  try_to_free_pages+0x4d0/0xb90
[  258.199834]  ? do_try_to_free_pages+0x1290/0x1290
[  258.204691]  ? lock_acquire+0x1ed/0x520
[  258.208669]  ? set_page_refcounted+0x280/0x280
[  258.213256]  ? lock_release+0xa00/0xa00
[  258.217229]  ? _raw_spin_unlock_irq+0x60/0x80
[  258.221730]  ? psi_memstall_enter+0x240/0x2b0
[  258.226227]  ? psi_memstall_tick+0x230/0x230
[  258.230650]  __alloc_pages_slowpath+0xa14/0x2e10
[  258.235434]  ? warn_alloc+0x120/0x120
[  258.239235]  ? mark_held_locks+0x130/0x130
[  258.243492]  ? find_get_entry+0xaae/0x1120
[  258.247735]  ? filemap_map_pages+0x1a20/0x1a20
[  258.252324]  ? zap_class+0x640/0x640
[  258.256084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.261628]  ? check_preemption_disabled+0x48/0x280
[  258.266659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.272196]  ? should_fail+0x22d/0xd01
[  258.276087]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.281193]  ? zap_class+0x640/0x640
[  258.284935]  ? __lock_is_held+0xb5/0x140
[  258.289004]  ? mark_held_locks+0x130/0x130
[  258.293242]  ? lock_release+0xa00/0xa00
[  258.297216]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.302666]  ? xa_load+0x2ba/0x460
[  258.306208]  ? lock_downgrade+0x900/0x900
[  258.310357]  ? __might_sleep+0x95/0x190
[  258.314365]  __alloc_pages_nodemask+0xa80/0xde0
[  258.319170]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.324200]  ? __page_cache_alloc+0x191/0x5c0
[  258.328712]  ? xa_load+0x2e1/0x460
[  258.332253]  ? xa_clear_mark+0x40/0x40
[  258.336151]  ? zap_class+0x640/0x640
[  258.339872]  ? zap_class+0x640/0x640
[  258.343602]  ? zap_class+0x640/0x640
[  258.347326]  ? __do_page_cache_readahead+0x663/0x810
[  258.352443]  ? find_held_lock+0x36/0x1c0
[  258.356537]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  258.362082]  alloc_pages_current+0x173/0x350
[  258.366514]  __page_cache_alloc+0x38c/0x5c0
[  258.370838]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.375780]  ? kasan_check_read+0x11/0x20
[  258.379933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.385213]  ? generic_perform_write+0x6a0/0x6a0
[  258.389986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.395527]  ? check_preemption_disabled+0x48/0x280
[  258.400562]  filemap_fault+0x1595/0x25f0
[  258.404634]  ? __lock_page_or_retry+0xa00/0xa00
[  258.409306]  ? mark_held_locks+0x130/0x130
[  258.413554]  ? filemap_map_pages+0xd6b/0x1a20
[  258.418054]  ? lock_downgrade+0x900/0x900
[  258.422202]  ? check_preemption_disabled+0x48/0x280
[  258.427217]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.432159]  ? kasan_check_read+0x11/0x20
[  258.436306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.441599]  ? rcu_softirq_qs+0x20/0x20
[  258.445615]  ? filemap_map_pages+0xd92/0x1a20
[  258.450113]  ? print_usage_bug+0xc0/0xc0
[  258.454189]  ? find_get_entries_tag+0x1400/0x1400
[  258.459070]  ? __kasan_slab_free+0x102/0x150
[  258.463479]  ? kasan_slab_free+0xe/0x10
[  258.467450]  ? kmem_cache_free+0x83/0x290
[  258.471617]  ? __sigqueue_free.part.29+0x74/0x90
[  258.476387]  ? lock_acquire+0x1ed/0x520
[  258.480386]  ? ext4_filemap_fault+0x7a/0xad
[  258.484711]  ? lock_release+0xa00/0xa00
[  258.488682]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.494129]  ? print_usage_bug+0xc0/0xc0
[  258.498187]  ? print_usage_bug+0xc0/0xc0
[  258.502284]  ? down_read+0x8d/0x120
[  258.505923]  ? ext4_filemap_fault+0x7a/0xad
[  258.510244]  ? __down_interruptible+0x700/0x700
[  258.514919]  ext4_filemap_fault+0x82/0xad
[  258.519073]  __do_fault+0x100/0x6b0
[  258.522705]  ? pmd_devmap_trans_unstable+0x220/0x220
[  258.527810]  ? mark_held_locks+0x130/0x130
[  258.532054]  ? mark_held_locks+0x130/0x130
[  258.536295]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  258.541839]  ? rcu_pm_notify+0xc0/0xc0
[  258.545736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.551279]  __handle_mm_fault+0x3ea0/0x5be0
[  258.555695]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  258.560566]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.565069]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.569650]  ? trace_hardirqs_on+0xbd/0x310
[  258.573982]  ? kasan_check_read+0x11/0x20
[  258.578134]  ? __set_current_blocked+0xdf/0x120
[  258.582805]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.587920]  ? zap_class+0x640/0x640
[  258.591632]  ? zap_class+0x640/0x640
[  258.595356]  ? find_held_lock+0x36/0x1c0
[  258.599440]  ? handle_mm_fault+0x42a/0xc70
[  258.603677]  ? lock_downgrade+0x900/0x900
[  258.607848]  ? check_preemption_disabled+0x48/0x280
[  258.612863]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.617789]  ? kasan_check_read+0x11/0x20
[  258.621951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.627240]  ? rcu_softirq_qs+0x20/0x20
[  258.631217]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.636317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.641854]  ? check_preemption_disabled+0x48/0x280
[  258.646873]  handle_mm_fault+0x54f/0xc70
[  258.650938]  ? __handle_mm_fault+0x5be0/0x5be0
[  258.655523]  ? find_vma+0x34/0x190
[  258.659074]  __do_page_fault+0x5e8/0xe60
[  258.663136]  ? exit_to_usermode_loop+0x1f4/0x380
[  258.667914]  do_page_fault+0xf2/0x7e0
[  258.671728]  ? vmalloc_sync_all+0x30/0x30
[  258.675875]  ? error_entry+0x70/0xd0
[  258.679590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.684603]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.690001]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.694925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.699762]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.704788]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.710255]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.715283]  ? page_fault+0x8/0x30
[  258.718918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.723762]  ? page_fault+0x8/0x30
[  258.727301]  page_fault+0x1e/0x30
[  258.730757] RIP: 0033:0x45db60
[  258.733965] Code: Bad RIP value.
[  258.737321] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  258.742675] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  258.749938] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  258.757232] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  258.764491] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  258.771751] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  258.779066] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  258.779188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.785320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.785325] Call Trace:
[  258.785331]  <IRQ>
[  258.785349]  dump_stack+0x244/0x39d
[  258.785366]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.791929] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.801209]  warn_alloc.cold.116+0xb7/0x1bd
[  258.803763] syz-fuzzer cpuset=/ mems_allowed=0
[  258.805906]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.838629]  ? lock_downgrade+0x900/0x900
[  258.842781]  ? trace_hardirqs_off+0xb8/0x310
[  258.847196]  ? trace_hardirqs_off+0xb8/0x310
[  258.851611]  __alloc_pages_slowpath+0x26e8/0x2e10
[  258.856480]  ? warn_alloc+0x120/0x120
[  258.860297]  ? print_usage_bug+0xc0/0xc0
[  258.864367]  ? warn_alloc+0x120/0x120
[  258.868200]  ? warn_alloc+0x120/0x120
[  258.872016]  ? print_usage_bug+0xc0/0xc0
[  258.876101]  ? print_usage_bug+0xc0/0xc0
[  258.880165]  ? __lock_acquire+0x62f/0x4c20
[  258.884408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.889948]  ? should_fail+0x22d/0xd01
[  258.893840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.898948]  ? __lock_acquire+0x62f/0x4c20
[  258.903190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.908304]  ? __lock_acquire+0x62f/0x4c20
[  258.912557]  ? should_fail+0x22d/0xd01
[  258.916441]  ? find_held_lock+0x36/0x1c0
[  258.920537]  ? mark_held_locks+0x130/0x130
[  258.924789]  ? mark_held_locks+0x130/0x130
[  258.929015]  ? zap_class+0x640/0x640
[  258.932736]  ? zap_class+0x640/0x640
[  258.936452]  ? print_usage_bug+0xc0/0xc0
[  258.940512]  ? do_raw_spin_unlock+0xa7/0x330
[  258.944936]  ? zap_class+0x640/0x640
[  258.948663]  ? print_usage_bug+0xc0/0xc0
[  258.952738]  ? wq_watchdog_touch+0x9c/0xfe
[  258.956975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.962512]  ? check_preemption_disabled+0x48/0x280
[  258.967556]  ? __lock_is_held+0xb5/0x140
[  258.971622]  __alloc_pages_nodemask+0xa80/0xde0
[  258.976291]  ? zap_class+0x640/0x640
[  258.980013]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.985052]  ? find_held_lock+0x36/0x1c0
[  258.989123]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.993790]  ? lock_downgrade+0x900/0x900
[  258.997943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.003480]  cache_grow_begin+0xa5/0x8c0
[  259.007541]  ? do_raw_spin_unlock+0xa7/0x330
[  259.011959]  fallback_alloc+0x204/0x2e0
[  259.015952]  ____cache_alloc_node+0x1c7/0x1e0
[  259.020451]  kmem_cache_alloc_node+0xe3/0x730
[  259.025062]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.029311]  __alloc_skb+0x119/0x770
[  259.033032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.038320]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.042764]  ? lock_downgrade+0x900/0x900
[  259.046944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.052477]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.057933]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.063381]  ? addrconf_rs_timer+0x690/0x690
[  259.067799]  ndisc_alloc_skb+0x144/0x340
[  259.071864]  ndisc_send_rs+0x331/0x6e0
[  259.075753]  addrconf_rs_timer+0x314/0x690
[  259.079991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.084228]  call_timer_fn+0x272/0x920
[  259.088140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.092369]  ? process_timeout+0x40/0x40
[  259.096429]  ? mark_held_locks+0xc7/0x130
[  259.100608]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.105134]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.109622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.113854]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.118451]  ? trace_hardirqs_on+0xbd/0x310
[  259.122789]  ? kasan_check_read+0x11/0x20
[  259.126937]  ? __run_timers+0x7da/0xc70
[  259.130912]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.136094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.140341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.144576]  __run_timers+0x7e5/0xc70
[  259.148399]  ? timer_fixup_init+0x70/0x70
[  259.152566]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  259.157582]  ? zap_class+0x640/0x640
[  259.161325]  ? print_usage_bug+0xc0/0xc0
[  259.165402]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  259.170626]  ? find_held_lock+0x36/0x1c0
[  259.174694]  ? zap_class+0x640/0x640
[  259.178415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.183967]  ? check_preemption_disabled+0x48/0x280
[  259.188990]  ? __lock_is_held+0xb5/0x140
[  259.193085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.198662]  ? check_preemption_disabled+0x48/0x280
[  259.203693]  run_timer_softirq+0x52/0xb0
[  259.207756]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.212786]  __do_softirq+0x308/0xb7e
[  259.216589]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.221080]  ? lock_downgrade+0x900/0x900
[  259.225233]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.230348]  ? pvclock_read_flags+0x160/0x160
[  259.234850]  ? lapic_next_event+0x5a/0x90
[  259.239031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.244584]  ? kvm_clock_read+0x18/0x30
[  259.248567]  ? kvm_sched_clock_read+0x9/0x20
[  259.252979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.258527]  ? check_preemption_disabled+0x48/0x280
[  259.263564]  irq_exit+0x17f/0x1c0
[  259.267017]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.271869]  ? smp_reschedule_interrupt+0x109/0x650
[  259.276887]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.282767]  ? interrupt_entry+0xb5/0xc0
[  259.286827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.291840]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.296858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.301719]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.306733]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.311768]  ? task_prio+0x50/0x50
[  259.315327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.320864]  ? check_preemption_disabled+0x48/0x280
[  259.325886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.330737]  apic_timer_interrupt+0xf/0x20
[  259.334966]  </IRQ>
[  259.337210] RIP: 0010:dump_stack+0x358/0x39d
[  259.341618] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  259.360514] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  259.368218] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  259.375483] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  259.382750] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  259.390013] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  259.397286] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  259.404618]  ? dump_stack+0x34f/0x39d
[  259.408456]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.413647]  ? mark_held_locks+0x130/0x130
[  259.417903]  ? mark_held_locks+0x130/0x130
[  259.422238]  dump_header+0x27b/0xf72
[  259.425961]  ? pagefault_out_of_memory+0x197/0x197
[  259.430896]  ? __lock_acquire+0x62f/0x4c20
[  259.435144]  ? percpu_ref_get_many+0x240/0x240
[  259.439740]  ? print_usage_bug+0xc0/0xc0
[  259.443840]  ? zap_class+0x640/0x640
[  259.447569]  ? print_usage_bug+0xc0/0xc0
[  259.451644]  ? print_usage_bug+0xc0/0xc0
[  259.455711]  ? zap_class+0x640/0x640
[  259.459426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.464979]  ? find_held_lock+0x36/0x1c0
[  259.469057]  ? mark_held_locks+0xc7/0x130
[  259.473207]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.478309]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.483420]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.488001]  ? trace_hardirqs_on+0xbd/0x310
[  259.492324]  ? kasan_check_read+0x11/0x20
[  259.496470]  ? ___ratelimit+0x3b4/0x672
[  259.500446]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.505580]  ? trace_hardirqs_on+0x310/0x310
[  259.509991]  ? lock_downgrade+0x900/0x900
[  259.514147]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.519249]  ? ___ratelimit+0x3b9/0x672
[  259.523234]  ? idr_get_free+0xf70/0xf70
[  259.527221]  ? find_held_lock+0x36/0x1c0
[  259.531299]  oom_kill_process.cold.27+0x10/0x903
[  259.536064]  ? zap_class+0x640/0x640
[  259.539794]  ? check_preemption_disabled+0x48/0x280
[  259.544836]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.549764]  ? kasan_check_read+0x11/0x20
[  259.553905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.559193]  ? oom_evaluate_task+0x540/0x540
[  259.563600]  ? find_held_lock+0x36/0x1c0
[  259.567663]  ? out_of_memory+0x974/0x1430
[  259.571807]  ? lock_downgrade+0x900/0x900
[  259.576081]  ? check_preemption_disabled+0x48/0x280
[  259.581121]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.586066]  ? kasan_check_read+0x11/0x20
[  259.590205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.595490]  ? rcu_softirq_qs+0x20/0x20
[  259.599464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.604995]  ? oom_evaluate_task+0x302/0x540
[  259.609402]  out_of_memory+0xa84/0x1430
[  259.613385]  ? oom_killer_disable+0x3a0/0x3a0
[  259.617880]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  259.622814]  ? __ww_mutex_check_waiters+0x160/0x160
[  259.627840]  __alloc_pages_slowpath+0x2354/0x2e10
[  259.632704]  ? warn_alloc+0x120/0x120
[  259.636509]  ? mark_held_locks+0x130/0x130
[  259.640753]  ? find_get_entry+0xaae/0x1120
[  259.644996]  ? filemap_map_pages+0x1a20/0x1a20
[  259.649615]  ? zap_class+0x640/0x640
[  259.653341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.658893]  ? check_preemption_disabled+0x48/0x280
[  259.663907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.669450]  ? should_fail+0x22d/0xd01
[  259.673373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.678503]  ? zap_class+0x640/0x640
[  259.682235]  ? __lock_is_held+0xb5/0x140
[  259.686300]  ? mark_held_locks+0x130/0x130
[  259.690552]  ? lock_release+0xa00/0xa00
[  259.694522]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.699978]  ? xa_load+0x2ba/0x460
[  259.703620]  ? lock_downgrade+0x900/0x900
[  259.707769]  ? __might_sleep+0x95/0x190
[  259.711754]  __alloc_pages_nodemask+0xa80/0xde0
[  259.716477]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.721501]  ? __page_cache_alloc+0x191/0x5c0
[  259.725989]  ? xa_load+0x2e1/0x460
[  259.729554]  ? xa_clear_mark+0x40/0x40
[  259.733462]  ? zap_class+0x640/0x640
[  259.737189]  ? zap_class+0x640/0x640
[  259.740902]  ? zap_class+0x640/0x640
[  259.744616]  ? __do_page_cache_readahead+0x663/0x810
[  259.749736]  ? find_held_lock+0x36/0x1c0
[  259.753815]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  259.759378]  alloc_pages_current+0x173/0x350
[  259.763794]  __page_cache_alloc+0x38c/0x5c0
[  259.768115]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.773049]  ? kasan_check_read+0x11/0x20
[  259.777195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.782485]  ? generic_perform_write+0x6a0/0x6a0
[  259.787242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.792785]  ? check_preemption_disabled+0x48/0x280
[  259.797811]  filemap_fault+0x1595/0x25f0
[  259.801914]  ? __lock_page_or_retry+0xa00/0xa00
[  259.806586]  ? mark_held_locks+0x130/0x130
[  259.810830]  ? filemap_map_pages+0xd6b/0x1a20
[  259.815331]  ? lock_downgrade+0x900/0x900
[  259.819480]  ? check_preemption_disabled+0x48/0x280
[  259.824516]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.829442]  ? kasan_check_read+0x11/0x20
[  259.833587]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.838868]  ? rcu_softirq_qs+0x20/0x20
[  259.842855]  ? filemap_map_pages+0xd92/0x1a20
[  259.847354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.852913]  ? find_get_entries_tag+0x1400/0x1400
[  259.857788]  ? __lock_acquire+0x62f/0x4c20
[  259.862036]  ? lock_acquire+0x1ed/0x520
[  259.866020]  ? ext4_filemap_fault+0x7a/0xad
[  259.870354]  ? lock_release+0xa00/0xa00
[  259.874335]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.879786]  ? print_usage_bug+0xc0/0xc0
[  259.883857]  ? print_usage_bug+0xc0/0xc0
[  259.887927]  ? down_read+0x8d/0x120
[  259.891548]  ? ext4_filemap_fault+0x7a/0xad
[  259.895898]  ? __down_interruptible+0x700/0x700
[  259.900601]  ext4_filemap_fault+0x82/0xad
[  259.904760]  __do_fault+0x100/0x6b0
[  259.908388]  ? pmd_devmap_trans_unstable+0x220/0x220
[  259.913501]  ? mark_held_locks+0x130/0x130
[  259.917773]  ? mark_held_locks+0x130/0x130
[  259.922009]  ? find_held_lock+0x36/0x1c0
[  259.926081]  ? find_held_lock+0x36/0x1c0
[  259.930171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.935710]  __handle_mm_fault+0x3ea0/0x5be0
[  259.940114]  ? poll_select_copy_remaining+0x18c/0x6a0
[  259.945312]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  259.950166]  ? __might_fault+0x12b/0x1e0
[  259.954230]  ? lock_downgrade+0x900/0x900
[  259.958396]  ? zap_class+0x640/0x640
[  259.962123]  ? zap_class+0x640/0x640
[  259.965840]  ? find_held_lock+0x36/0x1c0
[  259.969907]  ? handle_mm_fault+0x42a/0xc70
[  259.974142]  ? lock_downgrade+0x900/0x900
[  259.978291]  ? check_preemption_disabled+0x48/0x280
[  259.983337]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.988268]  ? kasan_check_read+0x11/0x20
[  259.992415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.997694]  ? rcu_softirq_qs+0x20/0x20
[  260.001669]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.006806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.012354]  ? check_preemption_disabled+0x48/0x280
[  260.017392]  handle_mm_fault+0x54f/0xc70
[  260.021456]  ? __handle_mm_fault+0x5be0/0x5be0
[  260.026057]  ? find_vma+0x34/0x190
[  260.029612]  __do_page_fault+0x5e8/0xe60
[  260.033675]  ? trace_hardirqs_off+0xb8/0x310
[  260.038114]  do_page_fault+0xf2/0x7e0
[  260.041915]  ? vmalloc_sync_all+0x30/0x30
[  260.046083]  ? error_entry+0x70/0xd0
[  260.049834]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.054852]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.059784]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.064714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.069591]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.074616]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.080082]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.085102]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.090125]  ? page_fault+0x8/0x30
[  260.093668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.098521]  ? page_fault+0x8/0x30
[  260.102114]  page_fault+0x1e/0x30
[  260.105573] RIP: 0033:0x7fafaecd0dd3
[  260.109302] Code: Bad RIP value.
[  260.112673] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  260.118038] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  260.125335] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  260.132620] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  260.139898] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  260.147177] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  260.154475] warn_alloc_show_mem: 1 callbacks suppressed
[  260.154488] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  260.154490] Mem-Info:
[  260.154523] active_anon:50685 inactive_anon:189 isolated_anon:0
[  260.154523]  active_file:14 inactive_file:14 isolated_file:0
[  260.154523]  unevictable:0 dirty:0 writeback:0 unstable:0
[  260.154523]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  260.154523]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  260.154523]  free:13759 free_pcp:552 free_cma:0
[  260.159882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.166920] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  260.169326] Call Trace:
[  260.202213] 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
[  260.211575]  <IRQ>
[  260.238994] lowmem_reserve[]: 0 2818 6321 6321
[  260.241605]  dump_stack+0x244/0x39d
[  260.268050] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  260.270217]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.274758] lowmem_reserve[]: 0 0 3503 3503
[  260.278399]  warn_alloc.cold.116+0xb7/0x1bd
[  260.305961] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  260.311164]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.315452] lowmem_reserve[]: 0 0 0 0
[  260.319779]  ? lock_downgrade+0x900/0x900
[  260.348843] 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
[  260.353715]  ? trace_hardirqs_off+0xb8/0x310
[  260.357478] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  260.361630]  ? trace_hardirqs_off+0xb8/0x310
[  260.375149] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  260.379592]  __alloc_pages_slowpath+0x26e8/0x2e10
[  260.394925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.399397]  ? warn_alloc+0x120/0x120
[  260.414452] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.419299]  ? print_usage_bug+0xc0/0xc0
[  260.428132] 272 total pagecache pages
[  260.431968]  ? warn_alloc+0x120/0x120
[  260.440872] 0 pages in swap cache
[  260.444963]  ? warn_alloc+0x120/0x120
[  260.448734] Swap cache stats: add 0, delete 0, find 0/0
[  260.452536]  ? print_usage_bug+0xc0/0xc0
[  260.455961] Free swap  = 0kB
[  260.459761]  ? kvm_clock_read+0x18/0x30
[  260.465100] Total swap = 0kB
[  260.469194]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  260.472177] 1965979 pages RAM
[  260.476152]  ? print_usage_bug+0xc0/0xc0
[  260.479138] 0 pages HighMem/MovableOnly
[  260.484154]  ? __lock_acquire+0x62f/0x4c20
[  260.487226] 342853 pages reserved
[  260.487234] 0 pages cma reserved
[  260.491300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.495311] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.499498]  ? should_fail+0x22d/0xd01
[  260.503060] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.506287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.511800] init cpuset=/ mems_allowed=0
[  260.518308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.546449]  ? __lock_acquire+0x62f/0x4c20
[  260.550696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.555825]  ? __lock_acquire+0x62f/0x4c20
[  260.560330]  ? should_fail+0x22d/0xd01
[  260.564222]  ? rcu_irq_exit+0x1a2/0x390
[  260.568228]  ? mark_held_locks+0x130/0x130
[  260.572488]  ? mark_held_locks+0x130/0x130
[  260.576731]  ? mark_held_locks+0xc7/0x130
[  260.580881]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  260.585923]  ? zap_class+0x640/0x640
[  260.589641]  ? print_usage_bug+0xc0/0xc0
[  260.593721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.599280]  ? check_preemption_disabled+0x48/0x280
[  260.604325]  ? __lock_is_held+0xb5/0x140
[  260.608402]  __alloc_pages_nodemask+0xa80/0xde0
[  260.613101]  ? zap_class+0x640/0x640
[  260.616843]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.621889]  ? find_held_lock+0x36/0x1c0
[  260.625962]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.630672]  ? lock_downgrade+0x900/0x900
[  260.634838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.640392]  cache_grow_begin+0xa5/0x8c0
[  260.644462]  ? do_raw_spin_unlock+0xa7/0x330
[  260.648894]  fallback_alloc+0x204/0x2e0
[  260.652882]  ____cache_alloc_node+0x1c7/0x1e0
[  260.657390]  kmem_cache_alloc_node+0xe3/0x730
[  260.661907]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.666154]  __alloc_skb+0x119/0x770
[  260.669873]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.675165]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.679578]  ? lock_downgrade+0x900/0x900
[  260.683736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.689759]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.695224]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.700690]  ? addrconf_rs_timer+0x690/0x690
[  260.705119]  ndisc_alloc_skb+0x144/0x340
[  260.709190]  ndisc_send_rs+0x331/0x6e0
[  260.713084]  addrconf_rs_timer+0x314/0x690
[  260.717324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.721569]  call_timer_fn+0x272/0x920
[  260.725473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.729716]  ? process_timeout+0x40/0x40
[  260.733794]  ? mark_held_locks+0xc7/0x130
[  260.737953]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.742466]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.746961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.751219]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.755805]  ? trace_hardirqs_on+0xbd/0x310
[  260.760138]  ? kasan_check_read+0x11/0x20
[  260.764299]  ? __run_timers+0x7da/0xc70
[  260.768304]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.773421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.777681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.781923]  __run_timers+0x7e5/0xc70
[  260.785740]  ? timer_fixup_init+0x70/0x70
[  260.789897]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.794923]  ? zap_class+0x640/0x640
[  260.798649]  ? print_usage_bug+0xc0/0xc0
[  260.802721]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.807925]  ? find_held_lock+0x36/0x1c0
[  260.811996]  ? zap_class+0x640/0x640
[  260.815758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.821303]  ? check_preemption_disabled+0x48/0x280
[  260.826335]  ? __lock_is_held+0xb5/0x140
[  260.830410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.835955]  ? check_preemption_disabled+0x48/0x280
[  260.840983]  run_timer_softirq+0x52/0xb0
[  260.845059]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.850123]  __do_softirq+0x308/0xb7e
[  260.853932]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.858429]  ? lock_downgrade+0x900/0x900
[  260.862592]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.867712]  ? pvclock_read_flags+0x160/0x160
[  260.872214]  ? lapic_next_event+0x5a/0x90
[  260.876386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.881952]  ? kvm_clock_read+0x18/0x30
[  260.885931]  ? kvm_sched_clock_read+0x9/0x20
[  260.890350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.895896]  ? check_preemption_disabled+0x48/0x280
[  260.900930]  irq_exit+0x17f/0x1c0
[  260.904392]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.909246]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.915141]  ? interrupt_entry+0xb5/0xc0
[  260.919216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.924241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.929271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.934130]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.939153]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.944206]  ? task_prio+0x50/0x50
[  260.947781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.953335]  ? check_preemption_disabled+0x48/0x280
[  260.958384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.963254]  apic_timer_interrupt+0xf/0x20
[  260.967504]  </IRQ>
[  260.969749] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  260.974861] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  260.993781] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  261.001504] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  261.008778] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  261.016078] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  261.023374] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  261.030646] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  261.037978]  shrink_active_list+0x14eb/0x1f00
[  261.042538]  ? shrink_inactive_list+0x1c60/0x1c60
[  261.047409]  ? trace_hardirqs_on+0xbd/0x310
[  261.051781]  ? shrink_inactive_list+0xa4a/0x1c60
[  261.056576]  ? mark_held_locks+0x130/0x130
[  261.060824]  ? __lock_acquire+0x62f/0x4c20
[  261.065072]  ? print_usage_bug+0xc0/0xc0
[  261.069147]  ? mark_held_locks+0x130/0x130
[  261.073389]  ? mark_held_locks+0x130/0x130
[  261.077637]  ? print_usage_bug+0xc0/0xc0
[  261.081734]  ? __lock_acquire+0x62f/0x4c20
[  261.085974]  ? zap_class+0x640/0x640
[  261.089690]  ? zap_class+0x640/0x640
[  261.093416]  ? mark_held_locks+0x130/0x130
[  261.097680]  ? zap_class+0x640/0x640
[  261.101402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.106945]  ? check_preemption_disabled+0x48/0x280
[  261.111995]  ? __lock_is_held+0xb5/0x140
[  261.116081]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.121100]  ? inactive_list_is_low+0x305/0x880
[  261.125775]  ? lruvec_lru_size+0x450/0x450
[  261.130035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.135617]  ? lruvec_lru_size+0x2ab/0x450
[  261.139863]  ? percpu_ref_put_many+0x13e/0x260
[  261.144462]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  261.149412]  ? find_held_lock+0x36/0x1c0
[  261.153491]  shrink_node_memcg+0x803/0x18f0
[  261.157838]  ? shrink_active_list+0x1f00/0x1f00
[  261.162521]  ? lock_downgrade+0x900/0x900
[  261.166681]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.171820]  ? cgroup_procs_write_finish+0xf0/0xf0
[  261.176765]  ? _raw_spin_unlock+0x2c/0x50
[  261.180930]  shrink_node+0x3bc/0x16b0
[  261.184746]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  261.190060]  ? shrink_node_memcg+0x18f0/0x18f0
[  261.194661]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.199293]  ? trace_hardirqs_on+0xbd/0x310
[  261.203638]  ? vmpressure+0x271/0x340
[  261.207473]  ? do_raw_spin_unlock+0xa7/0x330
[  261.211881]  ? do_raw_spin_trylock+0x270/0x270
[  261.216474]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.222017]  ? __cpuset_node_allowed+0x19b/0x660
[  261.226788]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  261.232509]  ? vmpressure+0x1a2/0x340
[  261.236319]  do_try_to_free_pages+0x3e7/0x1290
[  261.240913]  ? zap_class+0x640/0x640
[  261.244653]  ? shrink_node+0x16b0/0x16b0
[  261.248724]  ? __lock_is_held+0xb5/0x140
[  261.252822]  try_to_free_pages+0x4d0/0xb90
[  261.257076]  ? do_try_to_free_pages+0x1290/0x1290
[  261.261934]  ? lock_acquire+0x1ed/0x520
[  261.265918]  ? set_page_refcounted+0x280/0x280
[  261.270527]  ? lock_release+0xa00/0xa00
[  261.274504]  ? _raw_spin_unlock_irq+0x60/0x80
[  261.279010]  ? psi_memstall_enter+0x240/0x2b0
[  261.283518]  ? psi_memstall_tick+0x230/0x230
[  261.287979]  __alloc_pages_slowpath+0xa14/0x2e10
[  261.292765]  ? warn_alloc+0x120/0x120
[  261.296582]  ? mark_held_locks+0x130/0x130
[  261.300839]  ? find_get_entry+0xaae/0x1120
[  261.305089]  ? filemap_map_pages+0x1a20/0x1a20
[  261.309722]  ? zap_class+0x640/0x640
[  261.313488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.319032]  ? check_preemption_disabled+0x48/0x280
[  261.324072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.329630]  ? should_fail+0x22d/0xd01
[  261.333563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.338703]  ? zap_class+0x640/0x640
[  261.342515]  ? __lock_is_held+0xb5/0x140
[  261.346585]  ? mark_held_locks+0x130/0x130
[  261.350830]  ? lock_release+0xa00/0xa00
[  261.354811]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.360273]  ? xa_load+0x2ba/0x460
[  261.363821]  ? lock_downgrade+0x900/0x900
[  261.367976]  ? __might_sleep+0x95/0x190
[  261.371955]  __alloc_pages_nodemask+0xa80/0xde0
[  261.376635]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.381677]  ? __page_cache_alloc+0x191/0x5c0
[  261.386203]  ? xa_load+0x2e1/0x460
[  261.389751]  ? xa_clear_mark+0x40/0x40
[  261.393660]  ? zap_class+0x640/0x640
[  261.397384]  ? zap_class+0x640/0x640
[  261.401103]  ? zap_class+0x640/0x640
[  261.404842]  ? __do_page_cache_readahead+0x663/0x810
[  261.409960]  ? find_held_lock+0x36/0x1c0
[  261.414033]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  261.419596]  alloc_pages_current+0x173/0x350
[  261.424016]  __page_cache_alloc+0x38c/0x5c0
[  261.428344]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.433276]  ? kasan_check_read+0x11/0x20
[  261.437447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.442731]  ? generic_perform_write+0x6a0/0x6a0
[  261.447507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.453072]  ? check_preemption_disabled+0x48/0x280
[  261.458110]  filemap_fault+0x1595/0x25f0
[  261.462192]  ? __lock_page_or_retry+0xa00/0xa00
[  261.466874]  ? mark_held_locks+0x130/0x130
[  261.471121]  ? filemap_map_pages+0xd6b/0x1a20
[  261.475623]  ? lock_downgrade+0x900/0x900
[  261.479779]  ? check_preemption_disabled+0x48/0x280
[  261.484821]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.489751]  ? kasan_check_read+0x11/0x20
[  261.493907]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.499203]  ? rcu_softirq_qs+0x20/0x20
[  261.503214]  ? filemap_map_pages+0xd92/0x1a20
[  261.507731]  ? print_usage_bug+0xc0/0xc0
[  261.511824]  ? find_get_entries_tag+0x1400/0x1400
[  261.516669]  ? __kasan_slab_free+0x102/0x150
[  261.521084]  ? kasan_slab_free+0xe/0x10
[  261.525066]  ? kmem_cache_free+0x83/0x290
[  261.529221]  ? __sigqueue_free.part.29+0x74/0x90
[  261.533999]  ? lock_acquire+0x1ed/0x520
[  261.537983]  ? ext4_filemap_fault+0x7a/0xad
[  261.542316]  ? lock_release+0xa00/0xa00
[  261.546294]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.551748]  ? print_usage_bug+0xc0/0xc0
[  261.555824]  ? print_usage_bug+0xc0/0xc0
[  261.559901]  ? down_read+0x8d/0x120
[  261.563546]  ? ext4_filemap_fault+0x7a/0xad
[  261.567872]  ? __down_interruptible+0x700/0x700
[  261.572553]  ext4_filemap_fault+0x82/0xad
[  261.576737]  __do_fault+0x100/0x6b0
[  261.580403]  ? pmd_devmap_trans_unstable+0x220/0x220
[  261.585513]  ? mark_held_locks+0x130/0x130
[  261.589758]  ? mark_held_locks+0x130/0x130
[  261.594012]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  261.599564]  ? rcu_pm_notify+0xc0/0xc0
[  261.603481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.609030]  __handle_mm_fault+0x3ea0/0x5be0
[  261.613466]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  261.618338]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.622854]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.627443]  ? trace_hardirqs_on+0xbd/0x310
[  261.631771]  ? kasan_check_read+0x11/0x20
[  261.635940]  ? __set_current_blocked+0xdf/0x120
[  261.640612]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.645734]  ? zap_class+0x640/0x640
[  261.649450]  ? zap_class+0x640/0x640
[  261.653206]  ? find_held_lock+0x36/0x1c0
[  261.657282]  ? handle_mm_fault+0x42a/0xc70
[  261.661520]  ? lock_downgrade+0x900/0x900
[  261.665678]  ? check_preemption_disabled+0x48/0x280
[  261.670711]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.675647]  ? kasan_check_read+0x11/0x20
[  261.679795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.685084]  ? rcu_softirq_qs+0x20/0x20
[  261.689104]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.694216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.699763]  ? check_preemption_disabled+0x48/0x280
[  261.704827]  handle_mm_fault+0x54f/0xc70
[  261.708895]  ? __handle_mm_fault+0x5be0/0x5be0
[  261.713482]  ? find_vma+0x34/0x190
[  261.717032]  __do_page_fault+0x5e8/0xe60
[  261.721122]  ? exit_to_usermode_loop+0x1f4/0x380
[  261.725905]  do_page_fault+0xf2/0x7e0
[  261.729708]  ? vmalloc_sync_all+0x30/0x30
[  261.733859]  ? error_entry+0x70/0xd0
[  261.737576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.742594]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.747532]  ? syscall_return_slowpath+0x5e0/0x5e0
[  261.752463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.757317]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.762336]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.767800]  ? prepare_exit_to_usermode+0x291/0x3b0
[  261.772836]  ? page_fault+0x8/0x30
[  261.776408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.781267]  ? page_fault+0x8/0x30
[  261.784817]  page_fault+0x1e/0x30
[  261.788270] RIP: 0033:0x45db60
[  261.791478] Code: Bad RIP value.
[  261.794848] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  261.800213] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  261.807489] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  261.814767] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  261.822063] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  261.829367] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  261.836670] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  261.836754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.842915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.842921] Call Trace:
[  261.842929]  <IRQ>
[  261.842956]  dump_stack+0x244/0x39d
[  261.842974]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.849520] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.858840]  warn_alloc.cold.116+0xb7/0x1bd
[  261.861404] syz-fuzzer cpuset=/ mems_allowed=0
[  261.863559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.896334]  ? lock_downgrade+0x900/0x900
[  261.900506]  ? trace_hardirqs_off+0xb8/0x310
[  261.904951]  ? trace_hardirqs_off+0xb8/0x310
[  261.909375]  __alloc_pages_slowpath+0x26e8/0x2e10
[  261.914282]  ? warn_alloc+0x120/0x120
[  261.918095]  ? print_usage_bug+0xc0/0xc0
[  261.922162]  ? warn_alloc+0x120/0x120
[  261.925975]  ? warn_alloc+0x120/0x120
[  261.929782]  ? print_usage_bug+0xc0/0xc0
[  261.933849]  ? kvm_clock_read+0x18/0x30
[  261.937835]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.942864]  ? print_usage_bug+0xc0/0xc0
[  261.946937]  ? __lock_acquire+0x62f/0x4c20
[  261.951197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.956743]  ? should_fail+0x22d/0xd01
[  261.960634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.965939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.971056]  ? __lock_acquire+0x62f/0x4c20
[  261.975303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.980419]  ? __lock_acquire+0x62f/0x4c20
[  261.984658]  ? should_fail+0x22d/0xd01
[  261.988546]  ? rcu_irq_exit+0x1a2/0x390
[  261.992535]  ? mark_held_locks+0x130/0x130
[  261.996780]  ? mark_held_locks+0x130/0x130
[  262.001024]  ? mark_held_locks+0xc7/0x130
[  262.005185]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  262.010211]  ? zap_class+0x640/0x640
[  262.013930]  ? print_usage_bug+0xc0/0xc0
[  262.018020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.023589]  ? check_preemption_disabled+0x48/0x280
[  262.028628]  ? __lock_is_held+0xb5/0x140
[  262.032719]  __alloc_pages_nodemask+0xa80/0xde0
[  262.037409]  ? zap_class+0x640/0x640
[  262.041160]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.046244]  ? find_held_lock+0x36/0x1c0
[  262.050327]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.055004]  ? lock_downgrade+0x900/0x900
[  262.059181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.064731]  cache_grow_begin+0xa5/0x8c0
[  262.068799]  ? do_raw_spin_unlock+0xa7/0x330
[  262.073220]  fallback_alloc+0x204/0x2e0
[  262.077209]  ____cache_alloc_node+0x1c7/0x1e0
[  262.081716]  kmem_cache_alloc_node+0xe3/0x730
[  262.086216]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.090474]  __alloc_skb+0x119/0x770
[  262.094208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.099513]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.103929]  ? lock_downgrade+0x900/0x900
[  262.108105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.113646]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.119101]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.124563]  ? addrconf_rs_timer+0x690/0x690
[  262.128982]  ndisc_alloc_skb+0x144/0x340
[  262.133054]  ndisc_send_rs+0x331/0x6e0
[  262.136949]  addrconf_rs_timer+0x314/0x690
[  262.141274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.145538]  call_timer_fn+0x272/0x920
[  262.149425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.153660]  ? process_timeout+0x40/0x40
[  262.157729]  ? mark_held_locks+0xc7/0x130
[  262.161896]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.166401]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.170895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.175133]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.179716]  ? trace_hardirqs_on+0xbd/0x310
[  262.184037]  ? kasan_check_read+0x11/0x20
[  262.188196]  ? __run_timers+0x7da/0xc70
[  262.192182]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.197301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.201563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.205798]  __run_timers+0x7e5/0xc70
[  262.209610]  ? timer_fixup_init+0x70/0x70
[  262.213771]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.218804]  ? zap_class+0x640/0x640
[  262.222542]  ? print_usage_bug+0xc0/0xc0
[  262.226604]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.231854]  ? find_held_lock+0x36/0x1c0
[  262.235920]  ? zap_class+0x640/0x640
[  262.239674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.245229]  ? check_preemption_disabled+0x48/0x280
[  262.250254]  ? __lock_is_held+0xb5/0x140
[  262.254319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.259869]  ? check_preemption_disabled+0x48/0x280
[  262.264886]  run_timer_softirq+0x52/0xb0
[  262.268946]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.273960]  __do_softirq+0x308/0xb7e
[  262.277778]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.282273]  ? lock_downgrade+0x900/0x900
[  262.286428]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.291559]  ? pvclock_read_flags+0x160/0x160
[  262.296090]  ? lapic_next_event+0x5a/0x90
[  262.300238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.305780]  ? kvm_clock_read+0x18/0x30
[  262.309752]  ? kvm_sched_clock_read+0x9/0x20
[  262.314164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.319701]  ? check_preemption_disabled+0x48/0x280
[  262.324737]  irq_exit+0x17f/0x1c0
[  262.328220]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.333063]  ? smp_reschedule_interrupt+0x109/0x650
[  262.338075]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.343954]  ? interrupt_entry+0xb5/0xc0
[  262.348013]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.353034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.358077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.362922]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.367936]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.372953]  ? task_prio+0x50/0x50
[  262.376498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.382048]  ? check_preemption_disabled+0x48/0x280
[  262.387084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.391934]  apic_timer_interrupt+0xf/0x20
[  262.396163]  </IRQ>
[  262.398401] RIP: 0010:dump_stack+0x358/0x39d
[  262.402871] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  262.421799] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  262.429504] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  262.436778] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  262.444053] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  262.451343] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  262.458609] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  262.465895]  ? dump_stack+0x34f/0x39d
[  262.469705]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.474896]  ? mark_held_locks+0x130/0x130
[  262.479140]  ? mark_held_locks+0x130/0x130
[  262.483380]  dump_header+0x27b/0xf72
[  262.487120]  ? pagefault_out_of_memory+0x197/0x197
[  262.492067]  ? __lock_acquire+0x62f/0x4c20
[  262.496306]  ? percpu_ref_get_many+0x240/0x240
[  262.500900]  ? print_usage_bug+0xc0/0xc0
[  262.504989]  ? zap_class+0x640/0x640
[  262.508718]  ? print_usage_bug+0xc0/0xc0
[  262.512791]  ? print_usage_bug+0xc0/0xc0
[  262.516854]  ? zap_class+0x640/0x640
[  262.520571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.526112]  ? find_held_lock+0x36/0x1c0
[  262.530184]  ? mark_held_locks+0xc7/0x130
[  262.534335]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  262.539454]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  262.544557]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  262.549143]  ? trace_hardirqs_on+0xbd/0x310
[  262.553482]  ? kasan_check_read+0x11/0x20
[  262.557787]  ? ___ratelimit+0x3b4/0x672
[  262.561762]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.566865]  ? trace_hardirqs_on+0x310/0x310
[  262.571274]  ? lock_downgrade+0x900/0x900
[  262.575429]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.580528]  ? ___ratelimit+0x3b9/0x672
[  262.584501]  ? idr_get_free+0xf70/0xf70
[  262.588488]  ? find_held_lock+0x36/0x1c0
[  262.592552]  oom_kill_process.cold.27+0x10/0x903
[  262.597303]  ? zap_class+0x640/0x640
[  262.601030]  ? check_preemption_disabled+0x48/0x280
[  262.606064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.611006]  ? kasan_check_read+0x11/0x20
[  262.615154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.620440]  ? oom_evaluate_task+0x540/0x540
[  262.624851]  ? find_held_lock+0x36/0x1c0
[  262.628922]  ? out_of_memory+0x974/0x1430
[  262.633080]  ? lock_downgrade+0x900/0x900
[  262.637227]  ? check_preemption_disabled+0x48/0x280
[  262.642250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.647181]  ? kasan_check_read+0x11/0x20
[  262.651347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.656629]  ? rcu_softirq_qs+0x20/0x20
[  262.660615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.666160]  ? oom_evaluate_task+0x302/0x540
[  262.670570]  out_of_memory+0xa84/0x1430
[  262.674548]  ? oom_killer_disable+0x3a0/0x3a0
[  262.679052]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  262.683986]  ? __ww_mutex_check_waiters+0x160/0x160
[  262.689153]  __alloc_pages_slowpath+0x2354/0x2e10
[  262.694022]  ? warn_alloc+0x120/0x120
[  262.697856]  ? mark_held_locks+0x130/0x130
[  262.702099]  ? find_get_entry+0xaae/0x1120
[  262.706344]  ? filemap_map_pages+0x1a20/0x1a20
[  262.710931]  ? zap_class+0x640/0x640
[  262.714665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.720212]  ? check_preemption_disabled+0x48/0x280
[  262.725237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.730783]  ? should_fail+0x22d/0xd01
[  262.734676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.739802]  ? zap_class+0x640/0x640
[  262.743718]  ? __lock_is_held+0xb5/0x140
[  262.747793]  ? mark_held_locks+0x130/0x130
[  262.752034]  ? lock_release+0xa00/0xa00
[  262.756037]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.761515]  ? xa_load+0x2ba/0x460
[  262.765067]  ? lock_downgrade+0x900/0x900
[  262.769260]  ? __might_sleep+0x95/0x190
[  262.773389]  __alloc_pages_nodemask+0xa80/0xde0
[  262.778128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.783155]  ? __page_cache_alloc+0x191/0x5c0
[  262.787701]  ? xa_load+0x2e1/0x460
[  262.791275]  ? xa_clear_mark+0x40/0x40
[  262.795166]  ? zap_class+0x640/0x640
[  262.798899]  ? zap_class+0x640/0x640
[  262.802619]  ? zap_class+0x640/0x640
[  262.806351]  ? __do_page_cache_readahead+0x663/0x810
[  262.811509]  ? find_held_lock+0x36/0x1c0
[  262.815583]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  262.821137]  alloc_pages_current+0x173/0x350
[  262.825562]  __page_cache_alloc+0x38c/0x5c0
[  262.829887]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.834820]  ? kasan_check_read+0x11/0x20
[  262.838973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.844266]  ? generic_perform_write+0x6a0/0x6a0
[  262.849033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.854588]  ? check_preemption_disabled+0x48/0x280
[  262.859617]  filemap_fault+0x1595/0x25f0
[  262.863696]  ? __lock_page_or_retry+0xa00/0xa00
[  262.868374]  ? mark_held_locks+0x130/0x130
[  262.872623]  ? filemap_map_pages+0xd6b/0x1a20
[  262.877125]  ? lock_downgrade+0x900/0x900
[  262.881284]  ? check_preemption_disabled+0x48/0x280
[  262.886320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.891277]  ? kasan_check_read+0x11/0x20
[  262.895429]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.900739]  ? rcu_softirq_qs+0x20/0x20
[  262.904734]  ? filemap_map_pages+0xd92/0x1a20
[  262.909269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.914817]  ? find_get_entries_tag+0x1400/0x1400
[  262.919668]  ? __lock_acquire+0x62f/0x4c20
[  262.923916]  ? lock_acquire+0x1ed/0x520
[  262.927888]  ? ext4_filemap_fault+0x7a/0xad
[  262.932231]  ? lock_release+0xa00/0xa00
[  262.936207]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.941785]  ? print_usage_bug+0xc0/0xc0
[  262.945853]  ? print_usage_bug+0xc0/0xc0
[  262.949929]  ? down_read+0x8d/0x120
[  262.953562]  ? ext4_filemap_fault+0x7a/0xad
[  262.957895]  ? __down_interruptible+0x700/0x700
[  262.962593]  ext4_filemap_fault+0x82/0xad
[  262.966760]  __do_fault+0x100/0x6b0
[  262.970387]  ? pmd_devmap_trans_unstable+0x220/0x220
[  262.975504]  ? mark_held_locks+0x130/0x130
[  262.979776]  ? mark_held_locks+0x130/0x130
[  262.984006]  ? find_held_lock+0x36/0x1c0
[  262.988073]  ? find_held_lock+0x36/0x1c0
[  262.992145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.997688]  __handle_mm_fault+0x3ea0/0x5be0
[  263.002095]  ? poll_select_copy_remaining+0x18c/0x6a0
[  263.007304]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  263.012173]  ? __might_fault+0x12b/0x1e0
[  263.016232]  ? lock_downgrade+0x900/0x900
[  263.020386]  ? zap_class+0x640/0x640
[  263.024095]  ? zap_class+0x640/0x640
[  263.027809]  ? find_held_lock+0x36/0x1c0
[  263.031873]  ? handle_mm_fault+0x42a/0xc70
[  263.036108]  ? lock_downgrade+0x900/0x900
[  263.040276]  ? check_preemption_disabled+0x48/0x280
[  263.045300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.050232]  ? kasan_check_read+0x11/0x20
[  263.054379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.059653]  ? rcu_softirq_qs+0x20/0x20
[  263.063632]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.068750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.074288]  ? check_preemption_disabled+0x48/0x280
[  263.079329]  handle_mm_fault+0x54f/0xc70
[  263.083389]  ? __handle_mm_fault+0x5be0/0x5be0
[  263.087974]  ? find_vma+0x34/0x190
[  263.091521]  __do_page_fault+0x5e8/0xe60
[  263.095583]  ? trace_hardirqs_off+0xb8/0x310
[  263.100017]  do_page_fault+0xf2/0x7e0
[  263.103838]  ? vmalloc_sync_all+0x30/0x30
[  263.107987]  ? error_entry+0x70/0xd0
[  263.111704]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.116762]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.121691]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.126622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.131467]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.136496]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.141948]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.146966]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.151986]  ? page_fault+0x8/0x30
[  263.155543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.160390]  ? page_fault+0x8/0x30
[  263.163933]  page_fault+0x1e/0x30
[  263.167389] RIP: 0033:0x7fafaecd0dd3
[  263.171121] Code: Bad RIP value.
[  263.174484] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  263.179861] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  263.187128] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  263.194394] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  263.201677] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  263.208943] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  263.216235] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  263.216241] warn_alloc_show_mem: 1 callbacks suppressed
[  263.216248] Mem-Info:
[  263.223257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.223265] Call Trace:
[  263.228634] active_anon:50685 inactive_anon:189 isolated_anon:0
[  263.228634]  active_file:14 inactive_file:14 isolated_file:0
[  263.228634]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.228634]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  263.228634]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  263.228634]  free:13759 free_pcp:552 free_cma:0
[  263.231002]  <IRQ>
[  263.240376] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.242958]  dump_stack+0x244/0x39d
[  263.275805] 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
[  263.277952]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.305336] lowmem_reserve[]: 0 2818 6321 6321
[  263.308984]  warn_alloc.cold.116+0xb7/0x1bd
[  263.335096] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  263.340278]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.344832] lowmem_reserve[]: 0 0 3503 3503
[  263.349150]  ? lock_downgrade+0x900/0x900
[  263.376709] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  263.381551]  ? trace_hardirqs_off+0xb8/0x310
[  263.385847] lowmem_reserve[]: 0 0 0 0
[  263.389992]  ? trace_hardirqs_off+0xb8/0x310
[  263.419029] 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
[  263.423444]  __alloc_pages_slowpath+0x26e8/0x2e10
[  263.427218] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  263.431643]  ? warn_alloc+0x120/0x120
[  263.445126] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  263.449962]  ? print_usage_bug+0xc0/0xc0
[  263.465292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.469098]  ? warn_alloc+0x120/0x120
[  263.484163] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.488209]  ? warn_alloc+0x120/0x120
[  263.497036] 272 total pagecache pages
[  263.500844]  ? print_usage_bug+0xc0/0xc0
[  263.509400] 0 pages in swap cache
[  263.513183]  ? print_usage_bug+0xc0/0xc0
[  263.516957] Swap cache stats: add 0, delete 0, find 0/0
[  263.521005]  ? __lock_acquire+0x62f/0x4c20
[  263.524445] Free swap  = 0kB
[  263.528510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.533838] Total swap = 0kB
[  263.538097]  ? should_fail+0x22d/0xd01
[  263.541104] 1965979 pages RAM
[  263.546624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.549612] 0 pages HighMem/MovableOnly
[  263.553510]  ? __lock_acquire+0x62f/0x4c20
[  263.556587] 342853 pages reserved
[  263.561675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.565621] 0 pages cma reserved
[  263.569842]  ? __lock_acquire+0x62f/0x4c20
[  263.573343] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.578380]  ? should_fail+0x22d/0xd01
[  263.578395]  ? find_held_lock+0x36/0x1c0
[  263.581834] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.585970]  ? mark_held_locks+0x130/0x130
[  263.592436] init cpuset=/ mems_allowed=0
[  263.596318]  ? mark_held_locks+0x130/0x130
[  263.622591]  ? zap_class+0x640/0x640
[  263.626310]  ? zap_class+0x640/0x640
[  263.630027]  ? print_usage_bug+0xc0/0xc0
[  263.634098]  ? do_raw_spin_unlock+0xa7/0x330
[  263.638504]  ? zap_class+0x640/0x640
[  263.642223]  ? print_usage_bug+0xc0/0xc0
[  263.646289]  ? wq_watchdog_touch+0x9c/0xfe
[  263.650539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.656079]  ? check_preemption_disabled+0x48/0x280
[  263.661108]  ? __lock_is_held+0xb5/0x140
[  263.665194]  __alloc_pages_nodemask+0xa80/0xde0
[  263.669868]  ? zap_class+0x640/0x640
[  263.673600]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.678631]  ? find_held_lock+0x36/0x1c0
[  263.682706]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.687386]  ? lock_downgrade+0x900/0x900
[  263.691542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.697086]  cache_grow_begin+0xa5/0x8c0
[  263.701148]  ? do_raw_spin_unlock+0xa7/0x330
[  263.705566]  fallback_alloc+0x204/0x2e0
[  263.709551]  ____cache_alloc_node+0x1c7/0x1e0
[  263.714065]  kmem_cache_alloc_node+0xe3/0x730
[  263.718562]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.722807]  __alloc_skb+0x119/0x770
[  263.726537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.731819]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.736229]  ? lock_downgrade+0x900/0x900
[  263.740385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.746014]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.751478]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.756925]  ? addrconf_rs_timer+0x690/0x690
[  263.761355]  ndisc_alloc_skb+0x144/0x340
[  263.765441]  ndisc_send_rs+0x331/0x6e0
[  263.769370]  addrconf_rs_timer+0x314/0x690
[  263.773623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.777869]  call_timer_fn+0x272/0x920
[  263.781753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.785987]  ? process_timeout+0x40/0x40
[  263.790062]  ? mark_held_locks+0xc7/0x130
[  263.794216]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.798731]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.803225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.807462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  263.812053]  ? trace_hardirqs_on+0xbd/0x310
[  263.816371]  ? kasan_check_read+0x11/0x20
[  263.820530]  ? __run_timers+0x7da/0xc70
[  263.824511]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.829631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.833870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.838101]  __run_timers+0x7e5/0xc70
[  263.841907]  ? timer_fixup_init+0x70/0x70
[  263.846063]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.851080]  ? zap_class+0x640/0x640
[  263.854794]  ? print_usage_bug+0xc0/0xc0
[  263.858855]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.864058]  ? find_held_lock+0x36/0x1c0
[  263.868136]  ? zap_class+0x640/0x640
[  263.871854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.877402]  ? check_preemption_disabled+0x48/0x280
[  263.882428]  ? __lock_is_held+0xb5/0x140
[  263.886492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.892027]  ? check_preemption_disabled+0x48/0x280
[  263.897064]  run_timer_softirq+0x52/0xb0
[  263.901123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.906150]  __do_softirq+0x308/0xb7e
[  263.909952]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.914461]  ? lock_downgrade+0x900/0x900
[  263.918607]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.923718]  ? pvclock_read_flags+0x160/0x160
[  263.928234]  ? lapic_next_event+0x5a/0x90
[  263.932399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.937954]  ? kvm_clock_read+0x18/0x30
[  263.941923]  ? kvm_sched_clock_read+0x9/0x20
[  263.946333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.951864]  ? check_preemption_disabled+0x48/0x280
[  263.956888]  irq_exit+0x17f/0x1c0
[  263.960341]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.965188]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.971073]  ? interrupt_entry+0xb5/0xc0
[  263.975133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.980147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.985161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.990001]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.995014]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.000033]  ? task_prio+0x50/0x50
[  264.003578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.009110]  ? check_preemption_disabled+0x48/0x280
[  264.014126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.018975]  apic_timer_interrupt+0xf/0x20
[  264.023218]  </IRQ>
[  264.025454] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  264.030574] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  264.049474] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  264.057198] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  264.064477] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  264.071741] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  264.079010] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  264.086280] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  264.093576]  shrink_active_list+0x14eb/0x1f00
[  264.098093]  ? shrink_inactive_list+0x1c60/0x1c60
[  264.102936]  ? trace_hardirqs_on+0xbd/0x310
[  264.107253]  ? shrink_inactive_list+0xa4a/0x1c60
[  264.112023]  ? mark_held_locks+0x130/0x130
[  264.116270]  ? __lock_acquire+0x62f/0x4c20
[  264.120505]  ? print_usage_bug+0xc0/0xc0
[  264.124572]  ? mark_held_locks+0x130/0x130
[  264.128818]  ? mark_held_locks+0x130/0x130
[  264.133065]  ? print_usage_bug+0xc0/0xc0
[  264.137130]  ? __lock_acquire+0x62f/0x4c20
[  264.141370]  ? zap_class+0x640/0x640
[  264.145087]  ? zap_class+0x640/0x640
[  264.148827]  ? mark_held_locks+0x130/0x130
[  264.153181]  ? zap_class+0x640/0x640
[  264.156941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.162481]  ? check_preemption_disabled+0x48/0x280
[  264.167507]  ? __lock_is_held+0xb5/0x140
[  264.171582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.176611]  ? inactive_list_is_low+0x305/0x880
[  264.181286]  ? lruvec_lru_size+0x450/0x450
[  264.185523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.191083]  ? lruvec_lru_size+0x2ab/0x450
[  264.195317]  ? percpu_ref_put_many+0x13e/0x260
[  264.199901]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  264.204834]  ? find_held_lock+0x36/0x1c0
[  264.208896]  shrink_node_memcg+0x803/0x18f0
[  264.213230]  ? shrink_active_list+0x1f00/0x1f00
[  264.217904]  ? lock_downgrade+0x900/0x900
[  264.222074]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.227188]  ? cgroup_procs_write_finish+0xf0/0xf0
[  264.232134]  ? _raw_spin_unlock+0x2c/0x50
[  264.236306]  shrink_node+0x3bc/0x16b0
[  264.240110]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  264.245424]  ? shrink_node_memcg+0x18f0/0x18f0
[  264.250001]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.254605]  ? trace_hardirqs_on+0xbd/0x310
[  264.258951]  ? vmpressure+0x271/0x340
[  264.262762]  ? do_raw_spin_unlock+0xa7/0x330
[  264.267170]  ? do_raw_spin_trylock+0x270/0x270
[  264.271758]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.277294]  ? __cpuset_node_allowed+0x19b/0x660
[  264.282079]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  264.287829]  ? vmpressure+0x1a2/0x340
[  264.291656]  do_try_to_free_pages+0x3e7/0x1290
[  264.296236]  ? zap_class+0x640/0x640
[  264.299977]  ? shrink_node+0x16b0/0x16b0
[  264.304047]  ? __lock_is_held+0xb5/0x140
[  264.308128]  try_to_free_pages+0x4d0/0xb90
[  264.312370]  ? do_try_to_free_pages+0x1290/0x1290
[  264.317225]  ? lock_acquire+0x1ed/0x520
[  264.321200]  ? set_page_refcounted+0x280/0x280
[  264.325787]  ? lock_release+0xa00/0xa00
[  264.329761]  ? _raw_spin_unlock_irq+0x60/0x80
[  264.334255]  ? psi_memstall_enter+0x240/0x2b0
[  264.338768]  ? psi_memstall_tick+0x230/0x230
[  264.343191]  __alloc_pages_slowpath+0xa14/0x2e10
[  264.347978]  ? warn_alloc+0x120/0x120
[  264.351825]  ? mark_held_locks+0x130/0x130
[  264.356085]  ? find_get_entry+0xaae/0x1120
[  264.360330]  ? filemap_map_pages+0x1a20/0x1a20
[  264.364935]  ? zap_class+0x640/0x640
[  264.368653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.374210]  ? check_preemption_disabled+0x48/0x280
[  264.379229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.384768]  ? should_fail+0x22d/0xd01
[  264.388690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.393791]  ? zap_class+0x640/0x640
[  264.397550]  ? __lock_is_held+0xb5/0x140
[  264.401626]  ? mark_held_locks+0x130/0x130
[  264.405861]  ? lock_release+0xa00/0xa00
[  264.409840]  ? perf_trace_sched_process_exec+0x860/0x860
[  264.415288]  ? xa_load+0x2ba/0x460
[  264.418872]  ? lock_downgrade+0x900/0x900
[  264.423063]  ? __might_sleep+0x95/0x190
[  264.427053]  __alloc_pages_nodemask+0xa80/0xde0
[  264.431732]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.436749]  ? __page_cache_alloc+0x191/0x5c0
[  264.441242]  ? xa_load+0x2e1/0x460
[  264.444786]  ? xa_clear_mark+0x40/0x40
[  264.448696]  ? zap_class+0x640/0x640
[  264.452418]  ? zap_class+0x640/0x640
[  264.456135]  ? zap_class+0x640/0x640
[  264.459864]  ? __do_page_cache_readahead+0x663/0x810
[  264.464984]  ? find_held_lock+0x36/0x1c0
[  264.469067]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  264.474616]  alloc_pages_current+0x173/0x350
[  264.479032]  __page_cache_alloc+0x38c/0x5c0
[  264.483364]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.488293]  ? kasan_check_read+0x11/0x20
[  264.492439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.497717]  ? generic_perform_write+0x6a0/0x6a0
[  264.502472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.508029]  ? check_preemption_disabled+0x48/0x280
[  264.513068]  filemap_fault+0x1595/0x25f0
[  264.517139]  ? __lock_page_or_retry+0xa00/0xa00
[  264.521830]  ? mark_held_locks+0x130/0x130
[  264.526080]  ? filemap_map_pages+0xd6b/0x1a20
[  264.530578]  ? lock_downgrade+0x900/0x900
[  264.534723]  ? check_preemption_disabled+0x48/0x280
[  264.539769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.544831]  ? kasan_check_read+0x11/0x20
[  264.548982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.554256]  ? rcu_softirq_qs+0x20/0x20
[  264.558437]  ? filemap_map_pages+0xd92/0x1a20
[  264.562946]  ? print_usage_bug+0xc0/0xc0
[  264.567011]  ? find_get_entries_tag+0x1400/0x1400
[  264.571855]  ? __kasan_slab_free+0x102/0x150
[  264.576263]  ? kasan_slab_free+0xe/0x10
[  264.580234]  ? kmem_cache_free+0x83/0x290
[  264.584381]  ? __sigqueue_free.part.29+0x74/0x90
[  264.589167]  ? lock_acquire+0x1ed/0x520
[  264.593154]  ? ext4_filemap_fault+0x7a/0xad
[  264.597480]  ? lock_release+0xa00/0xa00
[  264.601455]  ? perf_trace_sched_process_exec+0x860/0x860
[  264.606923]  ? print_usage_bug+0xc0/0xc0
[  264.610986]  ? print_usage_bug+0xc0/0xc0
[  264.615069]  ? down_read+0x8d/0x120
[  264.618697]  ? ext4_filemap_fault+0x7a/0xad
[  264.623058]  ? __down_interruptible+0x700/0x700
[  264.627737]  ext4_filemap_fault+0x82/0xad
[  264.631887]  __do_fault+0x100/0x6b0
[  264.635549]  ? pmd_devmap_trans_unstable+0x220/0x220
[  264.640682]  ? mark_held_locks+0x130/0x130
[  264.644920]  ? mark_held_locks+0x130/0x130
[  264.649171]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  264.654705]  ? rcu_pm_notify+0xc0/0xc0
[  264.658600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.664143]  __handle_mm_fault+0x3ea0/0x5be0
[  264.668558]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  264.673399]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.677891]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.682470]  ? trace_hardirqs_on+0xbd/0x310
[  264.686782]  ? kasan_check_read+0x11/0x20
[  264.691392]  ? __set_current_blocked+0xdf/0x120
[  264.696076]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.701207]  ? zap_class+0x640/0x640
[  264.704919]  ? zap_class+0x640/0x640
[  264.708636]  ? find_held_lock+0x36/0x1c0
[  264.712746]  ? handle_mm_fault+0x42a/0xc70
[  264.716975]  ? lock_downgrade+0x900/0x900
[  264.721117]  ? check_preemption_disabled+0x48/0x280
[  264.726130]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.731105]  ? kasan_check_read+0x11/0x20
[  264.735280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.740550]  ? rcu_softirq_qs+0x20/0x20
[  264.744521]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.749618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.755186]  ? check_preemption_disabled+0x48/0x280
[  264.760207]  handle_mm_fault+0x54f/0xc70
[  264.764288]  ? __handle_mm_fault+0x5be0/0x5be0
[  264.768891]  ? find_vma+0x34/0x190
[  264.772441]  __do_page_fault+0x5e8/0xe60
[  264.776526]  ? exit_to_usermode_loop+0x1f4/0x380
[  264.781302]  do_page_fault+0xf2/0x7e0
[  264.785098]  ? vmalloc_sync_all+0x30/0x30
[  264.789245]  ? error_entry+0x70/0xd0
[  264.792964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.797976]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.802915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.807848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.812690]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.817718]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.823182]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.828199]  ? page_fault+0x8/0x30
[  264.831768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.836615]  ? page_fault+0x8/0x30
[  264.840158]  page_fault+0x1e/0x30
[  264.843609] RIP: 0033:0x45db60
[  264.846848] Code: Bad RIP value.
[  264.850204] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  264.855578] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  264.862841] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  264.870104] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  264.877364] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  264.884638] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  264.891961] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  264.892069] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.898207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.898216] Call Trace:
[  264.904842] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.914046]  <IRQ>
[  264.916618] syz-fuzzer cpuset=/ mems_allowed=0
[  264.926839]  dump_stack+0x244/0x39d
[  264.937145]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.942357]  warn_alloc.cold.116+0xb7/0x1bd
[  264.946683]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.951534]  ? lock_downgrade+0x900/0x900
[  264.955693]  ? trace_hardirqs_off+0xb8/0x310
[  264.960158]  ? trace_hardirqs_off+0xb8/0x310
[  264.964602]  __alloc_pages_slowpath+0x26e8/0x2e10
[  264.969476]  ? warn_alloc+0x120/0x120
[  264.973279]  ? print_usage_bug+0xc0/0xc0
[  264.977347]  ? warn_alloc+0x120/0x120
[  264.981157]  ? warn_alloc+0x120/0x120
[  264.984958]  ? print_usage_bug+0xc0/0xc0
[  264.989024]  ? kvm_clock_read+0x18/0x30
[  264.993008]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  264.998030]  ? print_usage_bug+0xc0/0xc0
[  265.002109]  ? __lock_acquire+0x62f/0x4c20
[  265.006352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.011888]  ? should_fail+0x22d/0xd01
[  265.015777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.021062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.026167]  ? __lock_acquire+0x62f/0x4c20
[  265.030405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.035502]  ? __lock_acquire+0x62f/0x4c20
[  265.039732]  ? should_fail+0x22d/0xd01
[  265.043615]  ? rcu_irq_exit+0x1a2/0x390
[  265.047600]  ? mark_held_locks+0x130/0x130
[  265.051837]  ? mark_held_locks+0x130/0x130
[  265.056080]  ? mark_held_locks+0xc7/0x130
[  265.060241]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  265.065257]  ? zap_class+0x640/0x640
[  265.068972]  ? print_usage_bug+0xc0/0xc0
[  265.073037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.078587]  ? check_preemption_disabled+0x48/0x280
[  265.083613]  ? __lock_is_held+0xb5/0x140
[  265.087676]  __alloc_pages_nodemask+0xa80/0xde0
[  265.092347]  ? zap_class+0x640/0x640
[  265.096069]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.101095]  ? find_held_lock+0x36/0x1c0
[  265.105165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.109852]  ? lock_downgrade+0x900/0x900
[  265.114006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.119546]  cache_grow_begin+0xa5/0x8c0
[  265.123637]  ? do_raw_spin_unlock+0xa7/0x330
[  265.128053]  fallback_alloc+0x204/0x2e0
[  265.132068]  ____cache_alloc_node+0x1c7/0x1e0
[  265.136615]  kmem_cache_alloc_node+0xe3/0x730
[  265.141123]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.145381]  __alloc_skb+0x119/0x770
[  265.149096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.154380]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.158818]  ? lock_downgrade+0x900/0x900
[  265.162982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.168522]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.173977]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.179442]  ? addrconf_rs_timer+0x690/0x690
[  265.183859]  ndisc_alloc_skb+0x144/0x340
[  265.187923]  ndisc_send_rs+0x331/0x6e0
[  265.191816]  addrconf_rs_timer+0x314/0x690
[  265.196064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.200328]  call_timer_fn+0x272/0x920
[  265.204234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.208479]  ? process_timeout+0x40/0x40
[  265.212549]  ? mark_held_locks+0xc7/0x130
[  265.216725]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.221214]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.225707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.229942]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.234528]  ? trace_hardirqs_on+0xbd/0x310
[  265.238854]  ? kasan_check_read+0x11/0x20
[  265.242999]  ? __run_timers+0x7da/0xc70
[  265.246973]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.252081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.256329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.260576]  __run_timers+0x7e5/0xc70
[  265.264384]  ? timer_fixup_init+0x70/0x70
[  265.268538]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.273558]  ? zap_class+0x640/0x640
[  265.277277]  ? print_usage_bug+0xc0/0xc0
[  265.281343]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.286539]  ? find_held_lock+0x36/0x1c0
[  265.290608]  ? zap_class+0x640/0x640
[  265.294334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.299871]  ? check_preemption_disabled+0x48/0x280
[  265.304896]  ? __lock_is_held+0xb5/0x140
[  265.308962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.314499]  ? check_preemption_disabled+0x48/0x280
[  265.319521]  run_timer_softirq+0x52/0xb0
[  265.323581]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.328598]  __do_softirq+0x308/0xb7e
[  265.332405]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.336902]  ? lock_downgrade+0x900/0x900
[  265.341060]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.346171]  ? pvclock_read_flags+0x160/0x160
[  265.350676]  ? lapic_next_event+0x5a/0x90
[  265.354826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.360402]  ? kvm_clock_read+0x18/0x30
[  265.364429]  ? kvm_sched_clock_read+0x9/0x20
[  265.368870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.374410]  ? check_preemption_disabled+0x48/0x280
[  265.379434]  irq_exit+0x17f/0x1c0
[  265.382900]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.387754]  ? smp_reschedule_interrupt+0x109/0x650
[  265.392771]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.398655]  ? interrupt_entry+0xb5/0xc0
[  265.402716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.407755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.412769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.417630]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.422643]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.427660]  ? task_prio+0x50/0x50
[  265.431214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.436755]  ? check_preemption_disabled+0x48/0x280
[  265.441779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.446661]  apic_timer_interrupt+0xf/0x20
[  265.450887]  </IRQ>
[  265.453127] RIP: 0010:dump_stack+0x358/0x39d
[  265.457540] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  265.476438] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  265.484149] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  265.491432] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  265.498697] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  265.505965] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  265.513228] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  265.520509]  ? dump_stack+0x34f/0x39d
[  265.524326]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.529518]  ? mark_held_locks+0x130/0x130
[  265.533752]  ? mark_held_locks+0x130/0x130
[  265.537985]  dump_header+0x27b/0xf72
[  265.541718]  ? pagefault_out_of_memory+0x197/0x197
[  265.546653]  ? __lock_acquire+0x62f/0x4c20
[  265.550907]  ? percpu_ref_get_many+0x240/0x240
[  265.555485]  ? print_usage_bug+0xc0/0xc0
[  265.559548]  ? zap_class+0x640/0x640
[  265.563263]  ? print_usage_bug+0xc0/0xc0
[  265.567328]  ? print_usage_bug+0xc0/0xc0
[  265.571405]  ? zap_class+0x640/0x640
[  265.575120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.580658]  ? find_held_lock+0x36/0x1c0
[  265.584728]  ? mark_held_locks+0xc7/0x130
[  265.588891]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  265.594004]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  265.599145]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.603730]  ? trace_hardirqs_on+0xbd/0x310
[  265.608056]  ? kasan_check_read+0x11/0x20
[  265.612203]  ? ___ratelimit+0x3b4/0x672
[  265.616180]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.621284]  ? trace_hardirqs_on+0x310/0x310
[  265.625721]  ? lock_downgrade+0x900/0x900
[  265.629877]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.634995]  ? ___ratelimit+0x3b9/0x672
[  265.638973]  ? idr_get_free+0xf70/0xf70
[  265.642950]  ? find_held_lock+0x36/0x1c0
[  265.647022]  oom_kill_process.cold.27+0x10/0x903
[  265.651801]  ? zap_class+0x640/0x640
[  265.655514]  ? check_preemption_disabled+0x48/0x280
[  265.660546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.665477]  ? kasan_check_read+0x11/0x20
[  265.669622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.674897]  ? oom_evaluate_task+0x540/0x540
[  265.679355]  ? find_held_lock+0x36/0x1c0
[  265.683424]  ? out_of_memory+0x974/0x1430
[  265.687588]  ? lock_downgrade+0x900/0x900
[  265.691731]  ? check_preemption_disabled+0x48/0x280
[  265.696745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.701668]  ? kasan_check_read+0x11/0x20
[  265.705813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.711128]  ? rcu_softirq_qs+0x20/0x20
[  265.715104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.720634]  ? oom_evaluate_task+0x302/0x540
[  265.725048]  out_of_memory+0xa84/0x1430
[  265.729029]  ? oom_killer_disable+0x3a0/0x3a0
[  265.733531]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  265.738476]  ? __ww_mutex_check_waiters+0x160/0x160
[  265.743506]  __alloc_pages_slowpath+0x2354/0x2e10
[  265.748374]  ? warn_alloc+0x120/0x120
[  265.752183]  ? mark_held_locks+0x130/0x130
[  265.756425]  ? find_get_entry+0xaae/0x1120
[  265.760670]  ? filemap_map_pages+0x1a20/0x1a20
[  265.765289]  ? zap_class+0x640/0x640
[  265.769007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.774579]  ? check_preemption_disabled+0x48/0x280
[  265.779613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.785178]  ? should_fail+0x22d/0xd01
[  265.789074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.794194]  ? zap_class+0x640/0x640
[  265.797931]  ? __lock_is_held+0xb5/0x140
[  265.802000]  ? mark_held_locks+0x130/0x130
[  265.806236]  ? lock_release+0xa00/0xa00
[  265.810215]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.815697]  ? xa_load+0x2ba/0x460
[  265.819241]  ? lock_downgrade+0x900/0x900
[  265.823400]  ? __might_sleep+0x95/0x190
[  265.827420]  __alloc_pages_nodemask+0xa80/0xde0
[  265.832093]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.837112]  ? __page_cache_alloc+0x191/0x5c0
[  265.841605]  ? xa_load+0x2e1/0x460
[  265.845151]  ? xa_clear_mark+0x40/0x40
[  265.849049]  ? zap_class+0x640/0x640
[  265.852783]  ? zap_class+0x640/0x640
[  265.856493]  ? zap_class+0x640/0x640
[  265.860205]  ? __do_page_cache_readahead+0x663/0x810
[  265.865328]  ? find_held_lock+0x36/0x1c0
[  265.869414]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  265.874960]  alloc_pages_current+0x173/0x350
[  265.879371]  __page_cache_alloc+0x38c/0x5c0
[  265.883702]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.888627]  ? kasan_check_read+0x11/0x20
[  265.892772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.898056]  ? generic_perform_write+0x6a0/0x6a0
[  265.902815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.908355]  ? check_preemption_disabled+0x48/0x280
[  265.913397]  filemap_fault+0x1595/0x25f0
[  265.917468]  ? __lock_page_or_retry+0xa00/0xa00
[  265.922135]  ? mark_held_locks+0x130/0x130
[  265.926421]  ? filemap_map_pages+0xd6b/0x1a20
[  265.930932]  ? lock_downgrade+0x900/0x900
[  265.935080]  ? check_preemption_disabled+0x48/0x280
[  265.940098]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.945023]  ? kasan_check_read+0x11/0x20
[  265.949175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.954449]  ? rcu_softirq_qs+0x20/0x20
[  265.958438]  ? filemap_map_pages+0xd92/0x1a20
[  265.962935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.968495]  ? find_get_entries_tag+0x1400/0x1400
[  265.973344]  ? __lock_acquire+0x62f/0x4c20
[  265.977590]  ? lock_acquire+0x1ed/0x520
[  265.981565]  ? ext4_filemap_fault+0x7a/0xad
[  265.985887]  ? lock_release+0xa00/0xa00
[  265.989852]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.995304]  ? print_usage_bug+0xc0/0xc0
[  265.999370]  ? print_usage_bug+0xc0/0xc0
[  266.003445]  ? down_read+0x8d/0x120
[  266.007085]  ? ext4_filemap_fault+0x7a/0xad
[  266.011409]  ? __down_interruptible+0x700/0x700
[  266.016084]  ext4_filemap_fault+0x82/0xad
[  266.020233]  __do_fault+0x100/0x6b0
[  266.023858]  ? pmd_devmap_trans_unstable+0x220/0x220
[  266.028963]  ? mark_held_locks+0x130/0x130
[  266.033192]  ? mark_held_locks+0x130/0x130
[  266.037421]  ? find_held_lock+0x36/0x1c0
[  266.041483]  ? find_held_lock+0x36/0x1c0
[  266.045547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.051100]  __handle_mm_fault+0x3ea0/0x5be0
[  266.055523]  ? poll_select_copy_remaining+0x18c/0x6a0
[  266.060720]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  266.065568]  ? __might_fault+0x12b/0x1e0
[  266.069629]  ? lock_downgrade+0x900/0x900
[  266.073780]  ? zap_class+0x640/0x640
[  266.077517]  ? zap_class+0x640/0x640
[  266.081231]  ? find_held_lock+0x36/0x1c0
[  266.085295]  ? handle_mm_fault+0x42a/0xc70
[  266.089529]  ? lock_downgrade+0x900/0x900
[  266.093686]  ? check_preemption_disabled+0x48/0x280
[  266.098700]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.103625]  ? kasan_check_read+0x11/0x20
[  266.107770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.113062]  ? rcu_softirq_qs+0x20/0x20
[  266.117075]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.122197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.127737]  ? check_preemption_disabled+0x48/0x280
[  266.132759]  handle_mm_fault+0x54f/0xc70
[  266.136825]  ? __handle_mm_fault+0x5be0/0x5be0
[  266.141416]  ? find_vma+0x34/0x190
[  266.144960]  __do_page_fault+0x5e8/0xe60
[  266.149021]  ? trace_hardirqs_off+0xb8/0x310
[  266.153443]  do_page_fault+0xf2/0x7e0
[  266.157281]  ? vmalloc_sync_all+0x30/0x30
[  266.161461]  ? error_entry+0x70/0xd0
[  266.165179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.170197]  ? trace_hardirqs_on_caller+0xc0/0x310
[  266.175134]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.180080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.184940]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.189957]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.195421]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.200455]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.205470]  ? page_fault+0x8/0x30
[  266.209014]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.213865]  ? page_fault+0x8/0x30
[  266.217404]  page_fault+0x1e/0x30
[  266.220857] RIP: 0033:0x7fafaecd0dd3
[  266.224579] Code: Bad RIP value.
[  266.227940] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  266.233296] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  266.240565] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  266.247830] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  266.255111] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  266.262380] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  266.269693] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  266.269698] warn_alloc_show_mem: 1 callbacks suppressed
[  266.269705] Mem-Info:
[  266.276729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.282111] active_anon:50685 inactive_anon:189 isolated_anon:0
[  266.282111]  active_file:14 inactive_file:14 isolated_file:0
[  266.282111]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.282111]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  266.282111]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  266.282111]  free:13759 free_pcp:552 free_cma:0
[  266.284482] Call Trace:
[  266.293842] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.293890] 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
[  266.326761]  <IRQ>
[  266.329336] lowmem_reserve[]: 0 2818 6321 6321
[  266.356760]  dump_stack+0x244/0x39d
[  266.382840] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.384999]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.389552] lowmem_reserve[]: 0 0 3503 3503
[  266.393178]  warn_alloc.cold.116+0xb7/0x1bd
[  266.420728] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  266.425910]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.430208] lowmem_reserve[]: 0 0 0 0
[  266.434524]  ? lock_downgrade+0x900/0x900
[  266.463554] 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
[  266.468418]  ? trace_hardirqs_off+0xb8/0x310
[  266.472188] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  266.476332]  ? trace_hardirqs_off+0xb8/0x310
[  266.489827] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  266.494236]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.509562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.513978]  ? warn_alloc+0x120/0x120
[  266.529024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.533859]  ? print_usage_bug+0xc0/0xc0
[  266.542666] 272 total pagecache pages
[  266.546458]  ? warn_alloc+0x120/0x120
[  266.555054] 0 pages in swap cache
[  266.559283]  ? warn_alloc+0x120/0x120
[  266.563082] Swap cache stats: add 0, delete 0, find 0/0
[  266.566870]  ? print_usage_bug+0xc0/0xc0
[  266.570296] Free swap  = 0kB
[  266.574086]  ? kvm_clock_read+0x18/0x30
[  266.579419] Total swap = 0kB
[  266.583474]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  266.586464] 1965979 pages RAM
[  266.590445]  ? print_usage_bug+0xc0/0xc0
[  266.593439] 0 pages HighMem/MovableOnly
[  266.598460]  ? __lock_acquire+0x62f/0x4c20
[  266.601542] 342853 pages reserved
[  266.605595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.609546] 0 pages cma reserved
[  266.613775]  ? should_fail+0x22d/0xd01
[  266.617338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.622729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.622746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.622763]  ? __lock_acquire+0x62f/0x4c20
[  266.626174] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.629985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.636454] init cpuset=/ mems_allowed=0
[  266.641722]  ? __lock_acquire+0x62f/0x4c20
[  266.674077]  ? should_fail+0x22d/0xd01
[  266.677958]  ? rcu_irq_exit+0x1a2/0x390
[  266.681939]  ? mark_held_locks+0x130/0x130
[  266.686192]  ? mark_held_locks+0x130/0x130
[  266.690960]  ? mark_held_locks+0xc7/0x130
[  266.695109]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  266.700140]  ? zap_class+0x640/0x640
[  266.703872]  ? print_usage_bug+0xc0/0xc0
[  266.707934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.713505]  ? check_preemption_disabled+0x48/0x280
[  266.718524]  ? __lock_is_held+0xb5/0x140
[  266.722583]  __alloc_pages_nodemask+0xa80/0xde0
[  266.727252]  ? zap_class+0x640/0x640
[  266.730991]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  266.736030]  ? find_held_lock+0x36/0x1c0
[  266.740113]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.744799]  ? lock_downgrade+0x900/0x900
[  266.748956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.754496]  cache_grow_begin+0xa5/0x8c0
[  266.758555]  ? do_raw_spin_unlock+0xa7/0x330
[  266.762970]  fallback_alloc+0x204/0x2e0
[  266.766960]  ____cache_alloc_node+0x1c7/0x1e0
[  266.771457]  kmem_cache_alloc_node+0xe3/0x730
[  266.775952]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.780195]  __alloc_skb+0x119/0x770
[  266.783909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.789186]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.793591]  ? lock_downgrade+0x900/0x900
[  266.797756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.803295]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.808749]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.814218]  ? addrconf_rs_timer+0x690/0x690
[  266.818637]  ndisc_alloc_skb+0x144/0x340
[  266.822718]  ndisc_send_rs+0x331/0x6e0
[  266.826624]  addrconf_rs_timer+0x314/0x690
[  266.830862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.835111]  call_timer_fn+0x272/0x920
[  266.838994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.843231]  ? process_timeout+0x40/0x40
[  266.847299]  ? mark_held_locks+0xc7/0x130
[  266.851510]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.856006]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.860521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.864758]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.869362]  ? trace_hardirqs_on+0xbd/0x310
[  266.873698]  ? kasan_check_read+0x11/0x20
[  266.877841]  ? __run_timers+0x7da/0xc70
[  266.881818]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.886925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.891166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.895400]  __run_timers+0x7e5/0xc70
[  266.899211]  ? timer_fixup_init+0x70/0x70
[  266.903362]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.908374]  ? zap_class+0x640/0x640
[  266.912091]  ? print_usage_bug+0xc0/0xc0
[  266.916169]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.921362]  ? find_held_lock+0x36/0x1c0
[  266.925427]  ? zap_class+0x640/0x640
[  266.929143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.934685]  ? check_preemption_disabled+0x48/0x280
[  266.939704]  ? __lock_is_held+0xb5/0x140
[  266.943760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.949312]  ? check_preemption_disabled+0x48/0x280
[  266.954329]  run_timer_softirq+0x52/0xb0
[  266.958389]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.963407]  __do_softirq+0x308/0xb7e
[  266.967223]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  266.971715]  ? lock_downgrade+0x900/0x900
[  266.975870]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.980989]  ? pvclock_read_flags+0x160/0x160
[  266.985491]  ? lapic_next_event+0x5a/0x90
[  266.989651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.995212]  ? kvm_clock_read+0x18/0x30
[  266.999202]  ? kvm_sched_clock_read+0x9/0x20
[  267.003629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.009169]  ? check_preemption_disabled+0x48/0x280
[  267.014198]  irq_exit+0x17f/0x1c0
[  267.017661]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.022506]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.028389]  ? interrupt_entry+0xb5/0xc0
[  267.032464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.037521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.042556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.047411]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.052425]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.057436]  ? task_prio+0x50/0x50
[  267.060977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.066515]  ? check_preemption_disabled+0x48/0x280
[  267.071535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.076382]  apic_timer_interrupt+0xf/0x20
[  267.080605]  </IRQ>
[  267.082844] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  267.087942] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  267.106835] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.114544] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  267.121819] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  267.129088] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  267.136353] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  267.143620] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  267.150918]  shrink_active_list+0x14eb/0x1f00
[  267.155436]  ? shrink_inactive_list+0x1c60/0x1c60
[  267.160285]  ? trace_hardirqs_on+0xbd/0x310
[  267.164605]  ? shrink_inactive_list+0xa4a/0x1c60
[  267.169376]  ? mark_held_locks+0x130/0x130
[  267.173615]  ? __lock_acquire+0x62f/0x4c20
[  267.177855]  ? print_usage_bug+0xc0/0xc0
[  267.181921]  ? mark_held_locks+0x130/0x130
[  267.186154]  ? mark_held_locks+0x130/0x130
[  267.190391]  ? print_usage_bug+0xc0/0xc0
[  267.194455]  ? __lock_acquire+0x62f/0x4c20
[  267.198695]  ? zap_class+0x640/0x640
[  267.202406]  ? zap_class+0x640/0x640
[  267.206161]  ? mark_held_locks+0x130/0x130
[  267.210397]  ? zap_class+0x640/0x640
[  267.214116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.219659]  ? check_preemption_disabled+0x48/0x280
[  267.224699]  ? __lock_is_held+0xb5/0x140
[  267.228781]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.233818]  ? inactive_list_is_low+0x305/0x880
[  267.238507]  ? lruvec_lru_size+0x450/0x450
[  267.242757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.248290]  ? lruvec_lru_size+0x2ab/0x450
[  267.252530]  ? percpu_ref_put_many+0x13e/0x260
[  267.257121]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  267.262072]  ? find_held_lock+0x36/0x1c0
[  267.266139]  shrink_node_memcg+0x803/0x18f0
[  267.270475]  ? shrink_active_list+0x1f00/0x1f00
[  267.275165]  ? lock_downgrade+0x900/0x900
[  267.279337]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.284539]  ? cgroup_procs_write_finish+0xf0/0xf0
[  267.289478]  ? _raw_spin_unlock+0x2c/0x50
[  267.293630]  shrink_node+0x3bc/0x16b0
[  267.297443]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  267.302746]  ? shrink_node_memcg+0x18f0/0x18f0
[  267.307344]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.311930]  ? trace_hardirqs_on+0xbd/0x310
[  267.316284]  ? vmpressure+0x271/0x340
[  267.320100]  ? do_raw_spin_unlock+0xa7/0x330
[  267.324510]  ? do_raw_spin_trylock+0x270/0x270
[  267.329098]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.334635]  ? __cpuset_node_allowed+0x19b/0x660
[  267.339392]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  267.345103]  ? vmpressure+0x1a2/0x340
[  267.348940]  do_try_to_free_pages+0x3e7/0x1290
[  267.353519]  ? zap_class+0x640/0x640
[  267.357249]  ? shrink_node+0x16b0/0x16b0
[  267.361315]  ? __lock_is_held+0xb5/0x140
[  267.365388]  try_to_free_pages+0x4d0/0xb90
[  267.369631]  ? do_try_to_free_pages+0x1290/0x1290
[  267.374485]  ? lock_acquire+0x1ed/0x520
[  267.378457]  ? set_page_refcounted+0x280/0x280
[  267.383052]  ? lock_release+0xa00/0xa00
[  267.387053]  ? _raw_spin_unlock_irq+0x60/0x80
[  267.391550]  ? psi_memstall_enter+0x240/0x2b0
[  267.396053]  ? psi_memstall_tick+0x230/0x230
[  267.400475]  __alloc_pages_slowpath+0xa14/0x2e10
[  267.405271]  ? warn_alloc+0x120/0x120
[  267.409076]  ? mark_held_locks+0x130/0x130
[  267.413319]  ? find_get_entry+0xaae/0x1120
[  267.417568]  ? filemap_map_pages+0x1a20/0x1a20
[  267.422154]  ? zap_class+0x640/0x640
[  267.425886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.431438]  ? check_preemption_disabled+0x48/0x280
[  267.436448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.441996]  ? should_fail+0x22d/0xd01
[  267.445884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.451004]  ? zap_class+0x640/0x640
[  267.454746]  ? __lock_is_held+0xb5/0x140
[  267.458864]  ? mark_held_locks+0x130/0x130
[  267.463139]  ? lock_release+0xa00/0xa00
[  267.467119]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.472590]  ? xa_load+0x2ba/0x460
[  267.476134]  ? lock_downgrade+0x900/0x900
[  267.480287]  ? __might_sleep+0x95/0x190
[  267.484264]  __alloc_pages_nodemask+0xa80/0xde0
[  267.488947]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.493977]  ? __page_cache_alloc+0x191/0x5c0
[  267.498483]  ? xa_load+0x2e1/0x460
[  267.502045]  ? xa_clear_mark+0x40/0x40
[  267.505932]  ? zap_class+0x640/0x640
[  267.509655]  ? zap_class+0x640/0x640
[  267.513374]  ? zap_class+0x640/0x640
[  267.517094]  ? __do_page_cache_readahead+0x663/0x810
[  267.522204]  ? find_held_lock+0x36/0x1c0
[  267.526284]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  267.531832]  alloc_pages_current+0x173/0x350
[  267.536247]  __page_cache_alloc+0x38c/0x5c0
[  267.540565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.545500]  ? kasan_check_read+0x11/0x20
[  267.549644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.554920]  ? generic_perform_write+0x6a0/0x6a0
[  267.559679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.565215]  ? check_preemption_disabled+0x48/0x280
[  267.570241]  filemap_fault+0x1595/0x25f0
[  267.574312]  ? __lock_page_or_retry+0xa00/0xa00
[  267.578978]  ? mark_held_locks+0x130/0x130
[  267.583233]  ? filemap_map_pages+0xd6b/0x1a20
[  267.587726]  ? lock_downgrade+0x900/0x900
[  267.591873]  ? check_preemption_disabled+0x48/0x280
[  267.596891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.601818]  ? kasan_check_read+0x11/0x20
[  267.605963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.611238]  ? rcu_softirq_qs+0x20/0x20
[  267.615223]  ? filemap_map_pages+0xd92/0x1a20
[  267.619738]  ? print_usage_bug+0xc0/0xc0
[  267.623798]  ? find_get_entries_tag+0x1400/0x1400
[  267.628643]  ? __kasan_slab_free+0x102/0x150
[  267.633057]  ? kasan_slab_free+0xe/0x10
[  267.637064]  ? kmem_cache_free+0x83/0x290
[  267.641214]  ? __sigqueue_free.part.29+0x74/0x90
[  267.646012]  ? lock_acquire+0x1ed/0x520
[  267.649993]  ? ext4_filemap_fault+0x7a/0xad
[  267.654340]  ? lock_release+0xa00/0xa00
[  267.658310]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.663757]  ? print_usage_bug+0xc0/0xc0
[  267.667820]  ? print_usage_bug+0xc0/0xc0
[  267.671888]  ? down_read+0x8d/0x120
[  267.675506]  ? ext4_filemap_fault+0x7a/0xad
[  267.679839]  ? __down_interruptible+0x700/0x700
[  267.684516]  ext4_filemap_fault+0x82/0xad
[  267.688662]  __do_fault+0x100/0x6b0
[  267.692289]  ? pmd_devmap_trans_unstable+0x220/0x220
[  267.697388]  ? mark_held_locks+0x130/0x130
[  267.701620]  ? mark_held_locks+0x130/0x130
[  267.705859]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  267.711397]  ? rcu_pm_notify+0xc0/0xc0
[  267.715292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.720834]  __handle_mm_fault+0x3ea0/0x5be0
[  267.725247]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  267.730096]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.734590]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.739178]  ? trace_hardirqs_on+0xbd/0x310
[  267.743508]  ? kasan_check_read+0x11/0x20
[  267.747653]  ? __set_current_blocked+0xdf/0x120
[  267.752356]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.757469]  ? zap_class+0x640/0x640
[  267.761181]  ? zap_class+0x640/0x640
[  267.764899]  ? find_held_lock+0x36/0x1c0
[  267.768969]  ? handle_mm_fault+0x42a/0xc70
[  267.773208]  ? lock_downgrade+0x900/0x900
[  267.777367]  ? check_preemption_disabled+0x48/0x280
[  267.782391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.787331]  ? kasan_check_read+0x11/0x20
[  267.791495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.796771]  ? rcu_softirq_qs+0x20/0x20
[  267.800757]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.805858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.811399]  ? check_preemption_disabled+0x48/0x280
[  267.816459]  handle_mm_fault+0x54f/0xc70
[  267.820525]  ? __handle_mm_fault+0x5be0/0x5be0
[  267.825111]  ? find_vma+0x34/0x190
[  267.828657]  __do_page_fault+0x5e8/0xe60
[  267.832724]  ? exit_to_usermode_loop+0x1f4/0x380
[  267.837490]  do_page_fault+0xf2/0x7e0
[  267.841292]  ? vmalloc_sync_all+0x30/0x30
[  267.845439]  ? error_entry+0x70/0xd0
[  267.849170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.854197]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.859123]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.864082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.868930]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.873947]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.879416]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.884429]  ? page_fault+0x8/0x30
[  267.888007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.892857]  ? page_fault+0x8/0x30
[  267.896399]  page_fault+0x1e/0x30
[  267.899848] RIP: 0033:0x45db60
[  267.903060] Code: Bad RIP value.
[  267.906419] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  267.911780] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  267.919061] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  267.926329] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  267.933592] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  267.940862] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  267.948156] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  267.948271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.954407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.954412] Call Trace:
[  267.954419]  <IRQ>
[  267.954457]  dump_stack+0x244/0x39d
[  267.954490]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.961027] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.970320]  warn_alloc.cold.116+0xb7/0x1bd
[  267.972866] syz-fuzzer cpuset=/ mems_allowed=0
[  267.975028]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.007746]  ? lock_downgrade+0x900/0x900
[  268.011902]  ? trace_hardirqs_off+0xb8/0x310
[  268.016323]  ? trace_hardirqs_off+0xb8/0x310
[  268.020742]  __alloc_pages_slowpath+0x26e8/0x2e10
[  268.025612]  ? warn_alloc+0x120/0x120
[  268.029448]  ? print_usage_bug+0xc0/0xc0
[  268.033512]  ? warn_alloc+0x120/0x120
[  268.037319]  ? warn_alloc+0x120/0x120
[  268.041119]  ? print_usage_bug+0xc0/0xc0
[  268.045187]  ? print_usage_bug+0xc0/0xc0
[  268.049255]  ? __lock_acquire+0x62f/0x4c20
[  268.053496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.059047]  ? should_fail+0x22d/0xd01
[  268.062939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.068051]  ? __lock_acquire+0x62f/0x4c20
[  268.072330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.077429]  ? __lock_acquire+0x62f/0x4c20
[  268.081670]  ? should_fail+0x22d/0xd01
[  268.085556]  ? find_held_lock+0x36/0x1c0
[  268.089650]  ? mark_held_locks+0x130/0x130
[  268.093886]  ? mark_held_locks+0x130/0x130
[  268.098114]  ? zap_class+0x640/0x640
[  268.101839]  ? zap_class+0x640/0x640
[  268.105557]  ? print_usage_bug+0xc0/0xc0
[  268.109613]  ? do_raw_spin_unlock+0xa7/0x330
[  268.114071]  ? zap_class+0x640/0x640
[  268.117785]  ? print_usage_bug+0xc0/0xc0
[  268.121841]  ? wq_watchdog_touch+0x9c/0xfe
[  268.126110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.131661]  ? check_preemption_disabled+0x48/0x280
[  268.136687]  ? __lock_is_held+0xb5/0x140
[  268.140752]  __alloc_pages_nodemask+0xa80/0xde0
[  268.145419]  ? zap_class+0x640/0x640
[  268.149140]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.154170]  ? find_held_lock+0x36/0x1c0
[  268.158250]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.162918]  ? lock_downgrade+0x900/0x900
[  268.167078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.172623]  cache_grow_begin+0xa5/0x8c0
[  268.176681]  ? do_raw_spin_unlock+0xa7/0x330
[  268.181124]  fallback_alloc+0x204/0x2e0
[  268.185106]  ____cache_alloc_node+0x1c7/0x1e0
[  268.189607]  kmem_cache_alloc_node+0xe3/0x730
[  268.194110]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.198400]  __alloc_skb+0x119/0x770
[  268.202125]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.207416]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.211826]  ? lock_downgrade+0x900/0x900
[  268.215978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.221522]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.226974]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.232421]  ? addrconf_rs_timer+0x690/0x690
[  268.236845]  ndisc_alloc_skb+0x144/0x340
[  268.240922]  ndisc_send_rs+0x331/0x6e0
[  268.244830]  addrconf_rs_timer+0x314/0x690
[  268.249090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.253372]  call_timer_fn+0x272/0x920
[  268.257259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.261497]  ? process_timeout+0x40/0x40
[  268.265568]  ? mark_held_locks+0xc7/0x130
[  268.269716]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.274209]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.278713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.282950]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.287534]  ? trace_hardirqs_on+0xbd/0x310
[  268.291854]  ? kasan_check_read+0x11/0x20
[  268.296000]  ? __run_timers+0x7da/0xc70
[  268.299975]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.305080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.309329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.313560]  __run_timers+0x7e5/0xc70
[  268.317410]  ? timer_fixup_init+0x70/0x70
[  268.321563]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  268.326584]  ? zap_class+0x640/0x640
[  268.330304]  ? print_usage_bug+0xc0/0xc0
[  268.334386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  268.339584]  ? find_held_lock+0x36/0x1c0
[  268.343650]  ? zap_class+0x640/0x640
[  268.347384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.352929]  ? check_preemption_disabled+0x48/0x280
[  268.357955]  ? __lock_is_held+0xb5/0x140
[  268.362020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.367562]  ? check_preemption_disabled+0x48/0x280
[  268.372612]  run_timer_softirq+0x52/0xb0
[  268.376678]  ? rcu_read_lock_sched_held+0x14f/0x180
[  268.381692]  __do_softirq+0x308/0xb7e
[  268.385494]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  268.389988]  ? lock_downgrade+0x900/0x900
[  268.394142]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  268.399260]  ? pvclock_read_flags+0x160/0x160
[  268.403757]  ? lapic_next_event+0x5a/0x90
[  268.407910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.413457]  ? kvm_clock_read+0x18/0x30
[  268.417446]  ? kvm_sched_clock_read+0x9/0x20
[  268.421858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.427396]  ? check_preemption_disabled+0x48/0x280
[  268.432424]  irq_exit+0x17f/0x1c0
[  268.435878]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.440721]  ? smp_reschedule_interrupt+0x109/0x650
[  268.445760]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.451642]  ? interrupt_entry+0xb5/0xc0
[  268.455708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.460725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.465744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.470591]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.475605]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.480624]  ? task_prio+0x50/0x50
[  268.484164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.489700]  ? check_preemption_disabled+0x48/0x280
[  268.494725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.499574]  apic_timer_interrupt+0xf/0x20
[  268.503800]  </IRQ>
[  268.506053] RIP: 0010:dump_stack+0x358/0x39d
[  268.510464] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  268.529366] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  268.537075] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  268.544340] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  268.551609] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  268.559106] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  268.566374] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  268.573655]  ? dump_stack+0x34f/0x39d
[  268.577467]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.582664]  ? mark_held_locks+0x130/0x130
[  268.586917]  ? mark_held_locks+0x130/0x130
[  268.591161]  dump_header+0x27b/0xf72
[  268.594890]  ? pagefault_out_of_memory+0x197/0x197
[  268.599826]  ? __lock_acquire+0x62f/0x4c20
[  268.604069]  ? percpu_ref_get_many+0x240/0x240
[  268.608654]  ? print_usage_bug+0xc0/0xc0
[  268.612720]  ? zap_class+0x640/0x640
[  268.616436]  ? print_usage_bug+0xc0/0xc0
[  268.620497]  ? print_usage_bug+0xc0/0xc0
[  268.624563]  ? zap_class+0x640/0x640
[  268.628281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.633829]  ? find_held_lock+0x36/0x1c0
[  268.637903]  ? mark_held_locks+0xc7/0x130
[  268.642065]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  268.647169]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  268.652272]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.656871]  ? trace_hardirqs_on+0xbd/0x310
[  268.661194]  ? kasan_check_read+0x11/0x20
[  268.665345]  ? ___ratelimit+0x3b4/0x672
[  268.669327]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.674433]  ? trace_hardirqs_on+0x310/0x310
[  268.678844]  ? lock_downgrade+0x900/0x900
[  268.683013]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.688123]  ? ___ratelimit+0x3b9/0x672
[  268.692240]  ? idr_get_free+0xf70/0xf70
[  268.696219]  ? find_held_lock+0x36/0x1c0
[  268.700288]  oom_kill_process.cold.27+0x10/0x903
[  268.705065]  ? zap_class+0x640/0x640
[  268.708780]  ? check_preemption_disabled+0x48/0x280
[  268.713801]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.718731]  ? kasan_check_read+0x11/0x20
[  268.722880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.728157]  ? oom_evaluate_task+0x540/0x540
[  268.732575]  ? find_held_lock+0x36/0x1c0
[  268.736660]  ? out_of_memory+0x974/0x1430
[  268.740820]  ? lock_downgrade+0x900/0x900
[  268.744969]  ? check_preemption_disabled+0x48/0x280
[  268.749990]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.754920]  ? kasan_check_read+0x11/0x20
[  268.759085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.764390]  ? rcu_softirq_qs+0x20/0x20
[  268.768371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.773949]  ? oom_evaluate_task+0x302/0x540
[  268.778362]  out_of_memory+0xa84/0x1430
[  268.782348]  ? oom_killer_disable+0x3a0/0x3a0
[  268.786842]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  268.791776]  ? __ww_mutex_check_waiters+0x160/0x160
[  268.796797]  __alloc_pages_slowpath+0x2354/0x2e10
[  268.801686]  ? warn_alloc+0x120/0x120
[  268.805487]  ? mark_held_locks+0x130/0x130
[  268.809725]  ? find_get_entry+0xaae/0x1120
[  268.813970]  ? filemap_map_pages+0x1a20/0x1a20
[  268.818560]  ? zap_class+0x640/0x640
[  268.822278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.827837]  ? check_preemption_disabled+0x48/0x280
[  268.832870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.838408]  ? should_fail+0x22d/0xd01
[  268.842318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.847437]  ? zap_class+0x640/0x640
[  268.851175]  ? __lock_is_held+0xb5/0x140
[  268.855241]  ? mark_held_locks+0x130/0x130
[  268.859480]  ? lock_release+0xa00/0xa00
[  268.863458]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.868907]  ? xa_load+0x2ba/0x460
[  268.872464]  ? lock_downgrade+0x900/0x900
[  268.876617]  ? __might_sleep+0x95/0x190
[  268.880594]  __alloc_pages_nodemask+0xa80/0xde0
[  268.885266]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.890282]  ? __page_cache_alloc+0x191/0x5c0
[  268.894782]  ? xa_load+0x2e1/0x460
[  268.898325]  ? xa_clear_mark+0x40/0x40
[  268.902212]  ? zap_class+0x640/0x640
[  268.905934]  ? zap_class+0x640/0x640
[  268.909649]  ? zap_class+0x640/0x640
[  268.913363]  ? __do_page_cache_readahead+0x663/0x810
[  268.918493]  ? find_held_lock+0x36/0x1c0
[  268.922591]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  268.928136]  alloc_pages_current+0x173/0x350
[  268.932549]  __page_cache_alloc+0x38c/0x5c0
[  268.936867]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.941807]  ? kasan_check_read+0x11/0x20
[  268.945961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.951249]  ? generic_perform_write+0x6a0/0x6a0
[  268.956007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.961555]  ? check_preemption_disabled+0x48/0x280
[  268.966578]  filemap_fault+0x1595/0x25f0
[  268.970652]  ? __lock_page_or_retry+0xa00/0xa00
[  268.975346]  ? mark_held_locks+0x130/0x130
[  268.979589]  ? filemap_map_pages+0xd6b/0x1a20
[  268.984101]  ? lock_downgrade+0x900/0x900
[  268.988261]  ? check_preemption_disabled+0x48/0x280
[  268.993280]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.998213]  ? kasan_check_read+0x11/0x20
[  269.002362]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.007652]  ? rcu_softirq_qs+0x20/0x20
[  269.011641]  ? filemap_map_pages+0xd92/0x1a20
[  269.016140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.021696]  ? find_get_entries_tag+0x1400/0x1400
[  269.026542]  ? __lock_acquire+0x62f/0x4c20
[  269.030793]  ? lock_acquire+0x1ed/0x520
[  269.034769]  ? ext4_filemap_fault+0x7a/0xad
[  269.039140]  ? lock_release+0xa00/0xa00
[  269.043132]  ? perf_trace_sched_process_exec+0x860/0x860
[  269.048582]  ? print_usage_bug+0xc0/0xc0
[  269.052646]  ? print_usage_bug+0xc0/0xc0
[  269.056723]  ? down_read+0x8d/0x120
[  269.060345]  ? ext4_filemap_fault+0x7a/0xad
[  269.064669]  ? __down_interruptible+0x700/0x700
[  269.069368]  ext4_filemap_fault+0x82/0xad
[  269.073517]  __do_fault+0x100/0x6b0
[  269.077159]  ? pmd_devmap_trans_unstable+0x220/0x220
[  269.082263]  ? mark_held_locks+0x130/0x130
[  269.086495]  ? mark_held_locks+0x130/0x130
[  269.090725]  ? find_held_lock+0x36/0x1c0
[  269.094794]  ? find_held_lock+0x36/0x1c0
[  269.098855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.104403]  __handle_mm_fault+0x3ea0/0x5be0
[  269.108810]  ? poll_select_copy_remaining+0x18c/0x6a0
[  269.114027]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  269.118923]  ? __might_fault+0x12b/0x1e0
[  269.122989]  ? lock_downgrade+0x900/0x900
[  269.127165]  ? zap_class+0x640/0x640
[  269.130881]  ? zap_class+0x640/0x640
[  269.134598]  ? find_held_lock+0x36/0x1c0
[  269.138670]  ? handle_mm_fault+0x42a/0xc70
[  269.142904]  ? lock_downgrade+0x900/0x900
[  269.147075]  ? check_preemption_disabled+0x48/0x280
[  269.152125]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.157084]  ? kasan_check_read+0x11/0x20
[  269.161245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.166523]  ? rcu_softirq_qs+0x20/0x20
[  269.170500]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.175606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.181148]  ? check_preemption_disabled+0x48/0x280
[  269.186176]  handle_mm_fault+0x54f/0xc70
[  269.190242]  ? __handle_mm_fault+0x5be0/0x5be0
[  269.194827]  ? find_vma+0x34/0x190
[  269.198383]  __do_page_fault+0x5e8/0xe60
[  269.202461]  ? trace_hardirqs_off+0xb8/0x310
[  269.206879]  do_page_fault+0xf2/0x7e0
[  269.210681]  ? vmalloc_sync_all+0x30/0x30
[  269.214828]  ? error_entry+0x70/0xd0
[  269.218543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.223555]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.228490]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.233416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.238259]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.243275]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.248723]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.253743]  ? prepare_exit_to_usermode+0x291/0x3b0
[  269.258757]  ? page_fault+0x8/0x30
[  269.262298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.267146]  ? page_fault+0x8/0x30
[  269.270706]  page_fault+0x1e/0x30
[  269.274155] RIP: 0033:0x7fafaecd0dd3
[  269.277892] Code: Bad RIP value.
[  269.281250] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  269.286609] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  269.293877] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  269.301140] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  269.308402] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  269.315675] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  269.322964] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  269.322970] warn_alloc_show_mem: 1 callbacks suppressed
[  269.322976] Mem-Info:
[  269.329991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.335386] active_anon:50685 inactive_anon:189 isolated_anon:0
[  269.335386]  active_file:14 inactive_file:14 isolated_file:0
[  269.335386]  unevictable:0 dirty:0 writeback:0 unstable:0
[  269.335386]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  269.335386]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  269.335386]  free:13759 free_pcp:552 free_cma:0
[  269.337753] Call Trace:
[  269.347142] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  269.379981]  <IRQ>
[  269.382548] 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
[  269.409958]  dump_stack+0x244/0x39d
[  269.412078] lowmem_reserve[]: 0 2818 6321 6321
[  269.438181]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.441779] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  269.446373]  warn_alloc.cold.116+0xb7/0x1bd
[  269.451528] lowmem_reserve[]: 0 0 3503 3503
[  269.479116]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.483414] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  269.487732]  ? lock_downgrade+0x900/0x900
[  269.492549] lowmem_reserve[]: 0 0 0 0
[  269.521609]  ? trace_hardirqs_off+0xb8/0x310
[  269.525727] 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
[  269.529520]  ? trace_hardirqs_off+0xb8/0x310
[  269.533904] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  269.547424]  __alloc_pages_slowpath+0x26e8/0x2e10
[  269.551798] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  269.567161]  ? warn_alloc+0x120/0x120
[  269.571961] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.587034]  ? print_usage_bug+0xc0/0xc0
[  269.590861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.599680]  ? warn_alloc+0x120/0x120
[  269.603716] 272 total pagecache pages
[  269.612282]  ? warn_alloc+0x120/0x120
[  269.616084] 0 pages in swap cache
[  269.619866]  ? print_usage_bug+0xc0/0xc0
[  269.623641] Swap cache stats: add 0, delete 0, find 0/0
[  269.627084]  ? print_usage_bug+0xc0/0xc0
[  269.631126] Free swap  = 0kB
[  269.636481]  ? __lock_acquire+0x62f/0x4c20
[  269.640516] Total swap = 0kB
[  269.643529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.647731] 1965979 pages RAM
[  269.650743]  ? should_fail+0x22d/0xd01
[  269.656253] 0 pages HighMem/MovableOnly
[  269.659367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.663228] 342853 pages reserved
[  269.667193]  ? __lock_acquire+0x62f/0x4c20
[  269.672273] 0 pages cma reserved
[  269.675718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.680003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.683272]  ? __lock_acquire+0x62f/0x4c20
[  269.683285]  ? should_fail+0x22d/0xd01
[  269.683300]  ? find_held_lock+0x36/0x1c0
[  269.683320]  ? mark_held_locks+0x130/0x130
[  269.688482] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.694916]  ? mark_held_locks+0x130/0x130
[  269.699126] init cpuset=/ mems_allowed=0
[  269.703000]  ? zap_class+0x640/0x640
[  269.703015]  ? zap_class+0x640/0x640
[  269.736648]  ? print_usage_bug+0xc0/0xc0
[  269.740721]  ? do_raw_spin_unlock+0xa7/0x330
[  269.745145]  ? zap_class+0x640/0x640
[  269.748861]  ? print_usage_bug+0xc0/0xc0
[  269.752941]  ? wq_watchdog_touch+0x9c/0xfe
[  269.757204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.762751]  ? check_preemption_disabled+0x48/0x280
[  269.767785]  ? __lock_is_held+0xb5/0x140
[  269.771881]  __alloc_pages_nodemask+0xa80/0xde0
[  269.776571]  ? zap_class+0x640/0x640
[  269.780296]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.785329]  ? find_held_lock+0x36/0x1c0
[  269.789420]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.794096]  ? lock_downgrade+0x900/0x900
[  269.798258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.803825]  cache_grow_begin+0xa5/0x8c0
[  269.807895]  ? do_raw_spin_unlock+0xa7/0x330
[  269.812328]  fallback_alloc+0x204/0x2e0
[  269.816312]  ____cache_alloc_node+0x1c7/0x1e0
[  269.820825]  kmem_cache_alloc_node+0xe3/0x730
[  269.825346]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.829594]  __alloc_skb+0x119/0x770
[  269.833309]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.838596]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.843015]  ? lock_downgrade+0x900/0x900
[  269.847183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.852742]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.858217]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.863674]  ? addrconf_rs_timer+0x690/0x690
[  269.868099]  ndisc_alloc_skb+0x144/0x340
[  269.872174]  ndisc_send_rs+0x331/0x6e0
[  269.876077]  addrconf_rs_timer+0x314/0x690
[  269.880323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.884590]  call_timer_fn+0x272/0x920
[  269.888485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.892722]  ? process_timeout+0x40/0x40
[  269.896798]  ? mark_held_locks+0xc7/0x130
[  269.900952]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.905445]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.909943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.914183]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.918773]  ? trace_hardirqs_on+0xbd/0x310
[  269.923104]  ? kasan_check_read+0x11/0x20
[  269.927259]  ? __run_timers+0x7da/0xc70
[  269.931239]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.936355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.940615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.944867]  __run_timers+0x7e5/0xc70
[  269.948701]  ? timer_fixup_init+0x70/0x70
[  269.952860]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.957907]  ? zap_class+0x640/0x640
[  269.961627]  ? print_usage_bug+0xc0/0xc0
[  269.965695]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.970917]  ? find_held_lock+0x36/0x1c0
[  269.974988]  ? zap_class+0x640/0x640
[  269.978714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.984257]  ? check_preemption_disabled+0x48/0x280
[  269.989288]  ? __lock_is_held+0xb5/0x140
[  269.993410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.998962]  ? check_preemption_disabled+0x48/0x280
[  270.003990]  run_timer_softirq+0x52/0xb0
[  270.008071]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.013095]  __do_softirq+0x308/0xb7e
[  270.016935]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.021455]  ? lock_downgrade+0x900/0x900
[  270.025614]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.030747]  ? pvclock_read_flags+0x160/0x160
[  270.035255]  ? lapic_next_event+0x5a/0x90
[  270.039412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.044969]  ? kvm_clock_read+0x18/0x30
[  270.048961]  ? kvm_sched_clock_read+0x9/0x20
[  270.053395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.058941]  ? check_preemption_disabled+0x48/0x280
[  270.063979]  irq_exit+0x17f/0x1c0
[  270.067459]  smp_apic_timer_interrupt+0x1cb/0x760
[  270.072312]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.078231]  ? interrupt_entry+0xb5/0xc0
[  270.082301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.087326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.092371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.097217]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.102240]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.107277]  ? task_prio+0x50/0x50
[  270.110826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.116375]  ? check_preemption_disabled+0x48/0x280
[  270.121408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.126275]  apic_timer_interrupt+0xf/0x20
[  270.130507]  </IRQ>
[  270.132750] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  270.137864] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  270.156781] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  270.164516] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  270.171804] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  270.179117] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  270.186416] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  270.193739] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  270.201056]  shrink_active_list+0x14eb/0x1f00
[  270.205583]  ? shrink_inactive_list+0x1c60/0x1c60
[  270.210467]  ? trace_hardirqs_on+0xbd/0x310
[  270.214798]  ? shrink_inactive_list+0xa4a/0x1c60
[  270.219576]  ? mark_held_locks+0x130/0x130
[  270.223818]  ? __lock_acquire+0x62f/0x4c20
[  270.228067]  ? print_usage_bug+0xc0/0xc0
[  270.232143]  ? mark_held_locks+0x130/0x130
[  270.236384]  ? mark_held_locks+0x130/0x130
[  270.240625]  ? print_usage_bug+0xc0/0xc0
[  270.244697]  ? __lock_acquire+0x62f/0x4c20
[  270.248935]  ? zap_class+0x640/0x640
[  270.252649]  ? zap_class+0x640/0x640
[  270.256375]  ? mark_held_locks+0x130/0x130
[  270.260612]  ? zap_class+0x640/0x640
[  270.264336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.269888]  ? check_preemption_disabled+0x48/0x280
[  270.274923]  ? __lock_is_held+0xb5/0x140
[  270.279008]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.284034]  ? inactive_list_is_low+0x305/0x880
[  270.288729]  ? lruvec_lru_size+0x450/0x450
[  270.292973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.298517]  ? lruvec_lru_size+0x2ab/0x450
[  270.302774]  ? percpu_ref_put_many+0x13e/0x260
[  270.307380]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  270.312345]  ? find_held_lock+0x36/0x1c0
[  270.316429]  shrink_node_memcg+0x803/0x18f0
[  270.320775]  ? shrink_active_list+0x1f00/0x1f00
[  270.325458]  ? lock_downgrade+0x900/0x900
[  270.329618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.334799]  ? cgroup_procs_write_finish+0xf0/0xf0
[  270.339793]  ? _raw_spin_unlock+0x2c/0x50
[  270.343977]  shrink_node+0x3bc/0x16b0
[  270.347781]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  270.353102]  ? shrink_node_memcg+0x18f0/0x18f0
[  270.357696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.362288]  ? trace_hardirqs_on+0xbd/0x310
[  270.366617]  ? vmpressure+0x271/0x340
[  270.370423]  ? do_raw_spin_unlock+0xa7/0x330
[  270.374843]  ? do_raw_spin_trylock+0x270/0x270
[  270.379436]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  270.385013]  ? __cpuset_node_allowed+0x19b/0x660
[  270.389784]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  270.395526]  ? vmpressure+0x1a2/0x340
[  270.399343]  do_try_to_free_pages+0x3e7/0x1290
[  270.403929]  ? zap_class+0x640/0x640
[  270.407704]  ? shrink_node+0x16b0/0x16b0
[  270.411771]  ? __lock_is_held+0xb5/0x140
[  270.415852]  try_to_free_pages+0x4d0/0xb90
[  270.420103]  ? do_try_to_free_pages+0x1290/0x1290
[  270.424967]  ? lock_acquire+0x1ed/0x520
[  270.428979]  ? set_page_refcounted+0x280/0x280
[  270.433588]  ? lock_release+0xa00/0xa00
[  270.437569]  ? _raw_spin_unlock_irq+0x60/0x80
[  270.442105]  ? psi_memstall_enter+0x240/0x2b0
[  270.446606]  ? psi_memstall_tick+0x230/0x230
[  270.451027]  __alloc_pages_slowpath+0xa14/0x2e10
[  270.455840]  ? warn_alloc+0x120/0x120
[  270.459645]  ? mark_held_locks+0x130/0x130
[  270.463899]  ? find_get_entry+0xaae/0x1120
[  270.468161]  ? filemap_map_pages+0x1a20/0x1a20
[  270.472842]  ? zap_class+0x640/0x640
[  270.476565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.482127]  ? check_preemption_disabled+0x48/0x280
[  270.487153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.492716]  ? should_fail+0x22d/0xd01
[  270.496617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.501725]  ? zap_class+0x640/0x640
[  270.505480]  ? __lock_is_held+0xb5/0x140
[  270.509552]  ? mark_held_locks+0x130/0x130
[  270.513789]  ? lock_release+0xa00/0xa00
[  270.517770]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.523237]  ? xa_load+0x2ba/0x460
[  270.526782]  ? lock_downgrade+0x900/0x900
[  270.530944]  ? __might_sleep+0x95/0x190
[  270.534928]  __alloc_pages_nodemask+0xa80/0xde0
[  270.539606]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  270.544629]  ? __page_cache_alloc+0x191/0x5c0
[  270.549178]  ? xa_load+0x2e1/0x460
[  270.552749]  ? xa_clear_mark+0x40/0x40
[  270.556641]  ? zap_class+0x640/0x640
[  270.560630]  ? zap_class+0x640/0x640
[  270.564347]  ? zap_class+0x640/0x640
[  270.568081]  ? __do_page_cache_readahead+0x663/0x810
[  270.573200]  ? find_held_lock+0x36/0x1c0
[  270.577276]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  270.582837]  alloc_pages_current+0x173/0x350
[  270.587262]  __page_cache_alloc+0x38c/0x5c0
[  270.591604]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.596534]  ? kasan_check_read+0x11/0x20
[  270.600697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.606004]  ? generic_perform_write+0x6a0/0x6a0
[  270.610789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.616361]  ? check_preemption_disabled+0x48/0x280
[  270.621402]  filemap_fault+0x1595/0x25f0
[  270.625478]  ? __lock_page_or_retry+0xa00/0xa00
[  270.630167]  ? mark_held_locks+0x130/0x130
[  270.634416]  ? filemap_map_pages+0xd6b/0x1a20
[  270.638927]  ? lock_downgrade+0x900/0x900
[  270.643084]  ? check_preemption_disabled+0x48/0x280
[  270.648113]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.653057]  ? kasan_check_read+0x11/0x20
[  270.657214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.662512]  ? rcu_softirq_qs+0x20/0x20
[  270.666497]  ? filemap_map_pages+0xd92/0x1a20
[  270.671045]  ? print_usage_bug+0xc0/0xc0
[  270.675133]  ? find_get_entries_tag+0x1400/0x1400
[  270.679982]  ? __kasan_slab_free+0x102/0x150
[  270.684392]  ? kasan_slab_free+0xe/0x10
[  270.688865]  ? kmem_cache_free+0x83/0x290
[  270.693016]  ? __sigqueue_free.part.29+0x74/0x90
[  270.697802]  ? lock_acquire+0x1ed/0x520
[  270.701785]  ? ext4_filemap_fault+0x7a/0xad
[  270.706135]  ? lock_release+0xa00/0xa00
[  270.710160]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.715621]  ? print_usage_bug+0xc0/0xc0
[  270.719685]  ? print_usage_bug+0xc0/0xc0
[  270.723762]  ? down_read+0x8d/0x120
[  270.727387]  ? ext4_filemap_fault+0x7a/0xad
[  270.731717]  ? __down_interruptible+0x700/0x700
[  270.736395]  ext4_filemap_fault+0x82/0xad
[  270.740652]  __do_fault+0x100/0x6b0
[  270.744283]  ? pmd_devmap_trans_unstable+0x220/0x220
[  270.749416]  ? mark_held_locks+0x130/0x130
[  270.753653]  ? mark_held_locks+0x130/0x130
[  270.757886]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  270.763442]  ? rcu_pm_notify+0xc0/0xc0
[  270.767356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.772928]  __handle_mm_fault+0x3ea0/0x5be0
[  270.777349]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  270.782193]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.786695]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.791321]  ? trace_hardirqs_on+0xbd/0x310
[  270.795647]  ? kasan_check_read+0x11/0x20
[  270.799821]  ? __set_current_blocked+0xdf/0x120
[  270.804493]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.809615]  ? zap_class+0x640/0x640
[  270.813345]  ? zap_class+0x640/0x640
[  270.817076]  ? find_held_lock+0x36/0x1c0
[  270.821151]  ? handle_mm_fault+0x42a/0xc70
[  270.825419]  ? lock_downgrade+0x900/0x900
[  270.829577]  ? check_preemption_disabled+0x48/0x280
[  270.834606]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.839566]  ? kasan_check_read+0x11/0x20
[  270.843719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.849013]  ? rcu_softirq_qs+0x20/0x20
[  270.853014]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.858149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.863698]  ? check_preemption_disabled+0x48/0x280
[  270.868734]  handle_mm_fault+0x54f/0xc70
[  270.872829]  ? __handle_mm_fault+0x5be0/0x5be0
[  270.877437]  ? find_vma+0x34/0x190
[  270.881014]  __do_page_fault+0x5e8/0xe60
[  270.885090]  ? exit_to_usermode_loop+0x1f4/0x380
[  270.889859]  do_page_fault+0xf2/0x7e0
[  270.893678]  ? vmalloc_sync_all+0x30/0x30
[  270.897836]  ? error_entry+0x70/0xd0
[  270.901558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.906607]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.911541]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.916477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.921336]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.926365]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.931835]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.936864]  ? page_fault+0x8/0x30
[  270.940428]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.945280]  ? page_fault+0x8/0x30
[  270.948893]  page_fault+0x1e/0x30
[  270.952364] RIP: 0033:0x45db60
[  270.955573] Code: Bad RIP value.
[  270.958938] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  270.964330] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  270.971606] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  270.978875] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  270.986146] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  270.993420] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  271.000742] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  271.000828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.006990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.006996] Call Trace:
[  271.007004]  <IRQ>
[  271.007030]  dump_stack+0x244/0x39d
[  271.007059]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.007085]  warn_alloc.cold.116+0xb7/0x1bd
[  271.013707] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.022935]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.025492] syz-fuzzer cpuset=/ mems_allowed=0
[  271.027642]  ? lock_downgrade+0x900/0x900
[  271.064544]  ? trace_hardirqs_off+0xb8/0x310
[  271.068973]  ? trace_hardirqs_off+0xb8/0x310
[  271.073406]  __alloc_pages_slowpath+0x26e8/0x2e10
[  271.078292]  ? warn_alloc+0x120/0x120
[  271.082113]  ? print_usage_bug+0xc0/0xc0
[  271.086181]  ? warn_alloc+0x120/0x120
[  271.089990]  ? warn_alloc+0x120/0x120
[  271.093798]  ? print_usage_bug+0xc0/0xc0
[  271.097874]  ? print_usage_bug+0xc0/0xc0
[  271.101946]  ? __lock_acquire+0x62f/0x4c20
[  271.106212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.111793]  ? should_fail+0x22d/0xd01
[  271.115706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.120850]  ? __lock_acquire+0x62f/0x4c20
[  271.125094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.130202]  ? __lock_acquire+0x62f/0x4c20
[  271.134441]  ? should_fail+0x22d/0xd01
[  271.138337]  ? find_held_lock+0x36/0x1c0
[  271.142442]  ? mark_held_locks+0x130/0x130
[  271.146686]  ? mark_held_locks+0x130/0x130
[  271.150923]  ? zap_class+0x640/0x640
[  271.154645]  ? zap_class+0x640/0x640
[  271.158369]  ? print_usage_bug+0xc0/0xc0
[  271.162431]  ? do_raw_spin_unlock+0xa7/0x330
[  271.166852]  ? zap_class+0x640/0x640
[  271.170571]  ? print_usage_bug+0xc0/0xc0
[  271.174645]  ? wq_watchdog_touch+0x9c/0xfe
[  271.178893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.184444]  ? check_preemption_disabled+0x48/0x280
[  271.189483]  ? __lock_is_held+0xb5/0x140
[  271.193576]  __alloc_pages_nodemask+0xa80/0xde0
[  271.198265]  ? zap_class+0x640/0x640
[  271.201990]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.207026]  ? find_held_lock+0x36/0x1c0
[  271.211117]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.215826]  ? lock_downgrade+0x900/0x900
[  271.219990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.225542]  cache_grow_begin+0xa5/0x8c0
[  271.229613]  ? do_raw_spin_unlock+0xa7/0x330
[  271.234057]  fallback_alloc+0x204/0x2e0
[  271.238066]  ____cache_alloc_node+0x1c7/0x1e0
[  271.242571]  kmem_cache_alloc_node+0xe3/0x730
[  271.247095]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.251357]  __alloc_skb+0x119/0x770
[  271.255089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.260387]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.264797]  ? lock_downgrade+0x900/0x900
[  271.268960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.274509]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.279973]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.285433]  ? addrconf_rs_timer+0x690/0x690
[  271.289863]  ndisc_alloc_skb+0x144/0x340
[  271.293931]  ndisc_send_rs+0x331/0x6e0
[  271.297826]  addrconf_rs_timer+0x314/0x690
[  271.302077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.306328]  call_timer_fn+0x272/0x920
[  271.310241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.314481]  ? process_timeout+0x40/0x40
[  271.318558]  ? mark_held_locks+0xc7/0x130
[  271.322722]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.327218]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.331717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.335958]  ? lockdep_hardirqs_on+0x296/0x5b0
[  271.340548]  ? trace_hardirqs_on+0xbd/0x310
[  271.344875]  ? kasan_check_read+0x11/0x20
[  271.349029]  ? __run_timers+0x7da/0xc70
[  271.353017]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.358135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.362409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.366652]  __run_timers+0x7e5/0xc70
[  271.370486]  ? timer_fixup_init+0x70/0x70
[  271.374646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.379665]  ? zap_class+0x640/0x640
[  271.383386]  ? print_usage_bug+0xc0/0xc0
[  271.387454]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.392657]  ? find_held_lock+0x36/0x1c0
[  271.396746]  ? zap_class+0x640/0x640
[  271.400483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.406049]  ? check_preemption_disabled+0x48/0x280
[  271.411101]  ? __lock_is_held+0xb5/0x140
[  271.415169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.420715]  ? check_preemption_disabled+0x48/0x280
[  271.425784]  run_timer_softirq+0x52/0xb0
[  271.429855]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.434877]  __do_softirq+0x308/0xb7e
[  271.438688]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.443186]  ? lock_downgrade+0x900/0x900
[  271.447345]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.452485]  ? pvclock_read_flags+0x160/0x160
[  271.457010]  ? lapic_next_event+0x5a/0x90
[  271.461175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.466728]  ? kvm_clock_read+0x18/0x30
[  271.470720]  ? kvm_sched_clock_read+0x9/0x20
[  271.475136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.480683]  ? check_preemption_disabled+0x48/0x280
[  271.485731]  irq_exit+0x17f/0x1c0
[  271.489197]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.494055]  ? smp_reschedule_interrupt+0x109/0x650
[  271.499083]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.504976]  ? interrupt_entry+0xb5/0xc0
[  271.509053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.514079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.519100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.523946]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.528967]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.533984]  ? task_prio+0x50/0x50
[  271.537530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.543094]  ? check_preemption_disabled+0x48/0x280
[  271.548124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.552985]  apic_timer_interrupt+0xf/0x20
[  271.557217]  </IRQ>
[  271.559469] RIP: 0010:dump_stack+0x358/0x39d
[  271.563904] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  271.582821] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  271.590566] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  271.597849] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  271.605160] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  271.612447] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  271.619729] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  271.627051]  ? dump_stack+0x34f/0x39d
[  271.630885]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.636105]  ? mark_held_locks+0x130/0x130
[  271.640349]  ? mark_held_locks+0x130/0x130
[  271.644609]  dump_header+0x27b/0xf72
[  271.648360]  ? pagefault_out_of_memory+0x197/0x197
[  271.653318]  ? __lock_acquire+0x62f/0x4c20
[  271.657572]  ? percpu_ref_get_many+0x240/0x240
[  271.662168]  ? print_usage_bug+0xc0/0xc0
[  271.666240]  ? zap_class+0x640/0x640
[  271.669965]  ? print_usage_bug+0xc0/0xc0
[  271.674027]  ? print_usage_bug+0xc0/0xc0
[  271.678110]  ? zap_class+0x640/0x640
[  271.681824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.687377]  ? find_held_lock+0x36/0x1c0
[  271.691444]  ? mark_held_locks+0xc7/0x130
[  271.695599]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  271.700695]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  271.705808]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  271.710388]  ? trace_hardirqs_on+0xbd/0x310
[  271.714724]  ? kasan_check_read+0x11/0x20
[  271.718872]  ? ___ratelimit+0x3b4/0x672
[  271.722847]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.727964]  ? trace_hardirqs_on+0x310/0x310
[  271.732382]  ? lock_downgrade+0x900/0x900
[  271.736534]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  271.741669]  ? ___ratelimit+0x3b9/0x672
[  271.745670]  ? idr_get_free+0xf70/0xf70
[  271.749645]  ? find_held_lock+0x36/0x1c0
[  271.753729]  oom_kill_process.cold.27+0x10/0x903
[  271.758492]  ? zap_class+0x640/0x640
[  271.762207]  ? check_preemption_disabled+0x48/0x280
[  271.767223]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.772151]  ? kasan_check_read+0x11/0x20
[  271.776317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.781621]  ? oom_evaluate_task+0x540/0x540
[  271.786079]  ? find_held_lock+0x36/0x1c0
[  271.790149]  ? out_of_memory+0x974/0x1430
[  271.794324]  ? lock_downgrade+0x900/0x900
[  271.798472]  ? check_preemption_disabled+0x48/0x280
[  271.803495]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.808440]  ? kasan_check_read+0x11/0x20
[  271.812588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.817862]  ? rcu_softirq_qs+0x20/0x20
[  271.821842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.827377]  ? oom_evaluate_task+0x302/0x540
[  271.831784]  out_of_memory+0xa84/0x1430
[  271.835763]  ? oom_killer_disable+0x3a0/0x3a0
[  271.840261]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  271.845225]  ? __ww_mutex_check_waiters+0x160/0x160
[  271.850250]  __alloc_pages_slowpath+0x2354/0x2e10
[  271.855129]  ? warn_alloc+0x120/0x120
[  271.858928]  ? mark_held_locks+0x130/0x130
[  271.863164]  ? find_get_entry+0xaae/0x1120
[  271.867403]  ? filemap_map_pages+0x1a20/0x1a20
[  271.871986]  ? zap_class+0x640/0x640
[  271.875705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.881243]  ? check_preemption_disabled+0x48/0x280
[  271.886259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.891795]  ? should_fail+0x22d/0xd01
[  271.895698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.900816]  ? zap_class+0x640/0x640
[  271.904550]  ? __lock_is_held+0xb5/0x140
[  271.908631]  ? mark_held_locks+0x130/0x130
[  271.912866]  ? lock_release+0xa00/0xa00
[  271.916833]  ? perf_trace_sched_process_exec+0x860/0x860
[  271.922279]  ? xa_load+0x2ba/0x460
[  271.925820]  ? lock_downgrade+0x900/0x900
[  271.929965]  ? __might_sleep+0x95/0x190
[  271.933955]  __alloc_pages_nodemask+0xa80/0xde0
[  271.938645]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.943661]  ? __page_cache_alloc+0x191/0x5c0
[  271.948146]  ? xa_load+0x2e1/0x460
[  271.951697]  ? xa_clear_mark+0x40/0x40
[  271.955594]  ? zap_class+0x640/0x640
[  271.959318]  ? zap_class+0x640/0x640
[  271.963027]  ? zap_class+0x640/0x640
[  271.966747]  ? __do_page_cache_readahead+0x663/0x810
[  271.971848]  ? find_held_lock+0x36/0x1c0
[  271.975909]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  271.981465]  alloc_pages_current+0x173/0x350
[  271.985899]  __page_cache_alloc+0x38c/0x5c0
[  271.990219]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.995148]  ? kasan_check_read+0x11/0x20
[  271.999291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.004568]  ? generic_perform_write+0x6a0/0x6a0
[  272.009324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.014875]  ? check_preemption_disabled+0x48/0x280
[  272.019896]  filemap_fault+0x1595/0x25f0
[  272.023964]  ? __lock_page_or_retry+0xa00/0xa00
[  272.028633]  ? mark_held_locks+0x130/0x130
[  272.032876]  ? filemap_map_pages+0xd6b/0x1a20
[  272.037390]  ? lock_downgrade+0x900/0x900
[  272.041535]  ? check_preemption_disabled+0x48/0x280
[  272.046549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.051486]  ? kasan_check_read+0x11/0x20
[  272.055626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.060897]  ? rcu_softirq_qs+0x20/0x20
[  272.064875]  ? filemap_map_pages+0xd92/0x1a20
[  272.069373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.074914]  ? find_get_entries_tag+0x1400/0x1400
[  272.079756]  ? __lock_acquire+0x62f/0x4c20
[  272.084001]  ? lock_acquire+0x1ed/0x520
[  272.087970]  ? ext4_filemap_fault+0x7a/0xad
[  272.092295]  ? lock_release+0xa00/0xa00
[  272.096289]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.101739]  ? print_usage_bug+0xc0/0xc0
[  272.105799]  ? print_usage_bug+0xc0/0xc0
[  272.109866]  ? down_read+0x8d/0x120
[  272.113487]  ? ext4_filemap_fault+0x7a/0xad
[  272.117809]  ? __down_interruptible+0x700/0x700
[  272.122489]  ext4_filemap_fault+0x82/0xad
[  272.126656]  __do_fault+0x100/0x6b0
[  272.130284]  ? pmd_devmap_trans_unstable+0x220/0x220
[  272.135391]  ? mark_held_locks+0x130/0x130
[  272.139643]  ? mark_held_locks+0x130/0x130
[  272.143875]  ? find_held_lock+0x36/0x1c0
[  272.147936]  ? find_held_lock+0x36/0x1c0
[  272.151999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.157540]  __handle_mm_fault+0x3ea0/0x5be0
[  272.161980]  ? poll_select_copy_remaining+0x18c/0x6a0
[  272.167178]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  272.172030]  ? __might_fault+0x12b/0x1e0
[  272.176100]  ? lock_downgrade+0x900/0x900
[  272.180258]  ? zap_class+0x640/0x640
[  272.183972]  ? zap_class+0x640/0x640
[  272.187693]  ? find_held_lock+0x36/0x1c0
[  272.191762]  ? handle_mm_fault+0x42a/0xc70
[  272.195995]  ? lock_downgrade+0x900/0x900
[  272.200146]  ? check_preemption_disabled+0x48/0x280
[  272.205165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.210090]  ? kasan_check_read+0x11/0x20
[  272.214236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.219527]  ? rcu_softirq_qs+0x20/0x20
[  272.223520]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.228630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.234184]  ? check_preemption_disabled+0x48/0x280
[  272.239206]  handle_mm_fault+0x54f/0xc70
[  272.243275]  ? __handle_mm_fault+0x5be0/0x5be0
[  272.247864]  ? find_vma+0x34/0x190
[  272.251416]  __do_page_fault+0x5e8/0xe60
[  272.255478]  ? trace_hardirqs_off+0xb8/0x310
[  272.259898]  do_page_fault+0xf2/0x7e0
[  272.263702]  ? vmalloc_sync_all+0x30/0x30
[  272.267864]  ? error_entry+0x70/0xd0
[  272.271596]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.276610]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.281539]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.286484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.291342]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.296358]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.301807]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  272.306838]  ? prepare_exit_to_usermode+0x291/0x3b0
[  272.311849]  ? page_fault+0x8/0x30
[  272.315392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.320251]  ? page_fault+0x8/0x30
[  272.323793]  page_fault+0x1e/0x30
[  272.327246] RIP: 0033:0x7fafaecd0dd3
[  272.330971] Code: Bad RIP value.
[  272.334336] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  272.339696] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  272.346974] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  272.354240] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  272.361506] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  272.368770] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  272.376068] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  272.376073] warn_alloc_show_mem: 1 callbacks suppressed
[  272.376079] Mem-Info:
[  272.383087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.388454] active_anon:50685 inactive_anon:189 isolated_anon:0
[  272.388454]  active_file:14 inactive_file:14 isolated_file:0
[  272.388454]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.388454]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  272.388454]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  272.388454]  free:13759 free_pcp:552 free_cma:0
[  272.390853] Call Trace:
[  272.400239] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.433093]  <IRQ>
[  272.435659] 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
[  272.463085]  dump_stack+0x244/0x39d
[  272.465207] lowmem_reserve[]: 0 2818 6321 6321
[  272.491311]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.494914] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  272.499501]  warn_alloc.cold.116+0xb7/0x1bd
[  272.504657] lowmem_reserve[]: 0 0 3503 3503
[  272.532239]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.536536] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  272.540851]  ? lock_downgrade+0x900/0x900
[  272.545662] lowmem_reserve[]: 0 0 0 0
[  272.574717]  ? trace_hardirqs_off+0xb8/0x310
[  272.578840] 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
[  272.582635]  ? trace_hardirqs_off+0xb8/0x310
[  272.587019] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  272.600542]  __alloc_pages_slowpath+0x26e8/0x2e10
[  272.604960] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  272.620348]  ? warn_alloc+0x120/0x120
[  272.625170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  272.640241]  ? print_usage_bug+0xc0/0xc0
[  272.644019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  272.652840]  ? warn_alloc+0x120/0x120
[  272.656907] 272 total pagecache pages
[  272.665472]  ? warn_alloc+0x120/0x120
[  272.669262] 0 pages in swap cache
[  272.673055]  ? print_usage_bug+0xc0/0xc0
[  272.676833] Swap cache stats: add 0, delete 0, find 0/0
[  272.680277]  ? kvm_clock_read+0x18/0x30
[  272.684330] Free swap  = 0kB
[  272.690184]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  272.694132] Total swap = 0kB
[  272.697142]  ? print_usage_bug+0xc0/0xc0
[  272.702132] 1965979 pages RAM
[  272.705159]  ? __lock_acquire+0x62f/0x4c20
[  272.709194] 0 pages HighMem/MovableOnly
[  272.712293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.716501] 342853 pages reserved
[  272.720480]  ? should_fail+0x22d/0xd01
[  272.725982] 0 pages cma reserved
[  272.729421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.733395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.736677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.742088] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.748472]  ? __lock_acquire+0x62f/0x4c20
[  272.753553] init cpuset=/ mems_allowed=0
[  272.763275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.776649]  ? __lock_acquire+0x62f/0x4c20
[  272.780889]  ? should_fail+0x22d/0xd01
[  272.784794]  ? rcu_irq_exit+0x1a2/0x390
[  272.788790]  ? mark_held_locks+0x130/0x130
[  272.793048]  ? mark_held_locks+0x130/0x130
[  272.797295]  ? mark_held_locks+0xc7/0x130
[  272.801455]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  272.806540]  ? zap_class+0x640/0x640
[  272.810262]  ? print_usage_bug+0xc0/0xc0
[  272.814329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.819877]  ? check_preemption_disabled+0x48/0x280
[  272.824908]  ? __lock_is_held+0xb5/0x140
[  272.828979]  __alloc_pages_nodemask+0xa80/0xde0
[  272.833653]  ? zap_class+0x640/0x640
[  272.837377]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.842411]  ? find_held_lock+0x36/0x1c0
[  272.846486]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.851161]  ? lock_downgrade+0x900/0x900
[  272.855325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.860874]  cache_grow_begin+0xa5/0x8c0
[  272.864938]  ? do_raw_spin_unlock+0xa7/0x330
[  272.869409]  fallback_alloc+0x204/0x2e0
[  272.873408]  ____cache_alloc_node+0x1c7/0x1e0
[  272.877915]  kmem_cache_alloc_node+0xe3/0x730
[  272.882459]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.887413]  __alloc_skb+0x119/0x770
[  272.891134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.896418]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.900842]  ? lock_downgrade+0x900/0x900
[  272.904998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.910541]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.916004]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.921482]  ? addrconf_rs_timer+0x690/0x690
[  272.925901]  ndisc_alloc_skb+0x144/0x340
[  272.929967]  ndisc_send_rs+0x331/0x6e0
[  272.933859]  addrconf_rs_timer+0x314/0x690
[  272.938098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.942353]  call_timer_fn+0x272/0x920
[  272.946243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.950490]  ? process_timeout+0x40/0x40
[  272.954582]  ? mark_held_locks+0xc7/0x130
[  272.958767]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.963279]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.967774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.972016]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.976622]  ? trace_hardirqs_on+0xbd/0x310
[  272.980948]  ? kasan_check_read+0x11/0x20
[  272.985105]  ? __run_timers+0x7da/0xc70
[  272.989084]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.994201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.998468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.002723]  __run_timers+0x7e5/0xc70
[  273.006566]  ? timer_fixup_init+0x70/0x70
[  273.010740]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.015763]  ? zap_class+0x640/0x640
[  273.019485]  ? print_usage_bug+0xc0/0xc0
[  273.023558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.028755]  ? find_held_lock+0x36/0x1c0
[  273.032821]  ? zap_class+0x640/0x640
[  273.036568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.042113]  ? check_preemption_disabled+0x48/0x280
[  273.047137]  ? __lock_is_held+0xb5/0x140
[  273.051201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.056762]  ? check_preemption_disabled+0x48/0x280
[  273.061798]  run_timer_softirq+0x52/0xb0
[  273.065862]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.070876]  __do_softirq+0x308/0xb7e
[  273.074713]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.079233]  ? lock_downgrade+0x900/0x900
[  273.083384]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.088497]  ? pvclock_read_flags+0x160/0x160
[  273.093014]  ? lapic_next_event+0x5a/0x90
[  273.097192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.102757]  ? kvm_clock_read+0x18/0x30
[  273.106739]  ? kvm_sched_clock_read+0x9/0x20
[  273.111153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.116703]  ? check_preemption_disabled+0x48/0x280
[  273.121731]  irq_exit+0x17f/0x1c0
[  273.125216]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.130075]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.135962]  ? interrupt_entry+0xb5/0xc0
[  273.140056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.145074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.150126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.154978]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.160014]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.165071]  ? task_prio+0x50/0x50
[  273.168623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.174179]  ? check_preemption_disabled+0x48/0x280
[  273.179751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.184663]  apic_timer_interrupt+0xf/0x20
[  273.188896]  </IRQ>
[  273.191142] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  273.196264] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  273.215216] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  273.222958] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  273.230262] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  273.237563] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  273.244848] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  273.252124] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  273.259475]  shrink_active_list+0x14eb/0x1f00
[  273.264004]  ? shrink_inactive_list+0x1c60/0x1c60
[  273.268865]  ? trace_hardirqs_on+0xbd/0x310
[  273.273198]  ? shrink_inactive_list+0xa4a/0x1c60
[  273.277977]  ? mark_held_locks+0x130/0x130
[  273.282223]  ? __lock_acquire+0x62f/0x4c20
[  273.286472]  ? print_usage_bug+0xc0/0xc0
[  273.290550]  ? mark_held_locks+0x130/0x130
[  273.294794]  ? mark_held_locks+0x130/0x130
[  273.299049]  ? print_usage_bug+0xc0/0xc0
[  273.303119]  ? __lock_acquire+0x62f/0x4c20
[  273.307370]  ? zap_class+0x640/0x640
[  273.311091]  ? zap_class+0x640/0x640
[  273.314825]  ? mark_held_locks+0x130/0x130
[  273.319086]  ? zap_class+0x640/0x640
[  273.322821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.328369]  ? check_preemption_disabled+0x48/0x280
[  273.333412]  ? __lock_is_held+0xb5/0x140
[  273.337496]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.342511]  ? inactive_list_is_low+0x305/0x880
[  273.347188]  ? lruvec_lru_size+0x450/0x450
[  273.351429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.356969]  ? lruvec_lru_size+0x2ab/0x450
[  273.361209]  ? percpu_ref_put_many+0x13e/0x260
[  273.365801]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  273.370744]  ? find_held_lock+0x36/0x1c0
[  273.374817]  shrink_node_memcg+0x803/0x18f0
[  273.379156]  ? shrink_active_list+0x1f00/0x1f00
[  273.383872]  ? lock_downgrade+0x900/0x900
[  273.388031]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.393166]  ? cgroup_procs_write_finish+0xf0/0xf0
[  273.398109]  ? _raw_spin_unlock+0x2c/0x50
[  273.402273]  shrink_node+0x3bc/0x16b0
[  273.406080]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  273.411390]  ? shrink_node_memcg+0x18f0/0x18f0
[  273.415979]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.420567]  ? trace_hardirqs_on+0xbd/0x310
[  273.424897]  ? vmpressure+0x271/0x340
[  273.428699]  ? do_raw_spin_unlock+0xa7/0x330
[  273.433158]  ? do_raw_spin_trylock+0x270/0x270
[  273.437767]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.443340]  ? __cpuset_node_allowed+0x19b/0x660
[  273.448103]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  273.453822]  ? vmpressure+0x1a2/0x340
[  273.457640]  do_try_to_free_pages+0x3e7/0x1290
[  273.462227]  ? zap_class+0x640/0x640
[  273.465967]  ? shrink_node+0x16b0/0x16b0
[  273.470046]  ? __lock_is_held+0xb5/0x140
[  273.474157]  try_to_free_pages+0x4d0/0xb90
[  273.478399]  ? do_try_to_free_pages+0x1290/0x1290
[  273.483262]  ? lock_acquire+0x1ed/0x520
[  273.487239]  ? set_page_refcounted+0x280/0x280
[  273.491836]  ? lock_release+0xa00/0xa00
[  273.495820]  ? _raw_spin_unlock_irq+0x60/0x80
[  273.500318]  ? psi_memstall_enter+0x240/0x2b0
[  273.504820]  ? psi_memstall_tick+0x230/0x230
[  273.509258]  __alloc_pages_slowpath+0xa14/0x2e10
[  273.514050]  ? warn_alloc+0x120/0x120
[  273.517859]  ? mark_held_locks+0x130/0x130
[  273.522122]  ? find_get_entry+0xaae/0x1120
[  273.526379]  ? filemap_map_pages+0x1a20/0x1a20
[  273.530973]  ? zap_class+0x640/0x640
[  273.534697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.540267]  ? check_preemption_disabled+0x48/0x280
[  273.545290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.550835]  ? should_fail+0x22d/0xd01
[  273.554743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.559879]  ? zap_class+0x640/0x640
[  273.563624]  ? __lock_is_held+0xb5/0x140
[  273.567705]  ? mark_held_locks+0x130/0x130
[  273.571975]  ? lock_release+0xa00/0xa00
[  273.575965]  ? perf_trace_sched_process_exec+0x860/0x860
[  273.581420]  ? xa_load+0x2ba/0x460
[  273.584960]  ? lock_downgrade+0x900/0x900
[  273.589127]  ? __might_sleep+0x95/0x190
[  273.593123]  __alloc_pages_nodemask+0xa80/0xde0
[  273.597821]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  273.602841]  ? __page_cache_alloc+0x191/0x5c0
[  273.607343]  ? xa_load+0x2e1/0x460
[  273.610892]  ? xa_clear_mark+0x40/0x40
[  273.614800]  ? zap_class+0x640/0x640
[  273.618529]  ? zap_class+0x640/0x640
[  273.622239]  ? zap_class+0x640/0x640
[  273.625957]  ? __do_page_cache_readahead+0x663/0x810
[  273.631072]  ? find_held_lock+0x36/0x1c0
[  273.635251]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  273.640797]  alloc_pages_current+0x173/0x350
[  273.645220]  __page_cache_alloc+0x38c/0x5c0
[  273.649546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.654483]  ? kasan_check_read+0x11/0x20
[  273.658639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.663920]  ? generic_perform_write+0x6a0/0x6a0
[  273.668678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.674217]  ? check_preemption_disabled+0x48/0x280
[  273.679246]  filemap_fault+0x1595/0x25f0
[  273.683324]  ? __lock_page_or_retry+0xa00/0xa00
[  273.687996]  ? mark_held_locks+0x130/0x130
[  273.692244]  ? filemap_map_pages+0xd6b/0x1a20
[  273.696758]  ? lock_downgrade+0x900/0x900
[  273.700915]  ? check_preemption_disabled+0x48/0x280
[  273.705934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.710866]  ? kasan_check_read+0x11/0x20
[  273.715018]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.720309]  ? rcu_softirq_qs+0x20/0x20
[  273.724874]  ? filemap_map_pages+0xd92/0x1a20
[  273.729375]  ? print_usage_bug+0xc0/0xc0
[  273.733443]  ? find_get_entries_tag+0x1400/0x1400
[  273.738299]  ? __kasan_slab_free+0x102/0x150
[  273.742709]  ? kasan_slab_free+0xe/0x10
[  273.746685]  ? kmem_cache_free+0x83/0x290
[  273.750855]  ? __sigqueue_free.part.29+0x74/0x90
[  273.755638]  ? lock_acquire+0x1ed/0x520
[  273.759613]  ? ext4_filemap_fault+0x7a/0xad
[  273.763961]  ? lock_release+0xa00/0xa00
[  273.767949]  ? perf_trace_sched_process_exec+0x860/0x860
[  273.773415]  ? print_usage_bug+0xc0/0xc0
[  273.777497]  ? print_usage_bug+0xc0/0xc0
[  273.781591]  ? down_read+0x8d/0x120
[  273.785227]  ? ext4_filemap_fault+0x7a/0xad
[  273.789567]  ? __down_interruptible+0x700/0x700
[  273.794249]  ext4_filemap_fault+0x82/0xad
[  273.798403]  __do_fault+0x100/0x6b0
[  273.802043]  ? pmd_devmap_trans_unstable+0x220/0x220
[  273.807156]  ? mark_held_locks+0x130/0x130
[  273.811397]  ? mark_held_locks+0x130/0x130
[  273.815640]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  273.821196]  ? rcu_pm_notify+0xc0/0xc0
[  273.825089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.830631]  __handle_mm_fault+0x3ea0/0x5be0
[  273.835048]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  273.839927]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.844452]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.849044]  ? trace_hardirqs_on+0xbd/0x310
[  273.853364]  ? kasan_check_read+0x11/0x20
[  273.857517]  ? __set_current_blocked+0xdf/0x120
[  273.862185]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.867295]  ? zap_class+0x640/0x640
[  273.871019]  ? zap_class+0x640/0x640
[  273.874740]  ? find_held_lock+0x36/0x1c0
[  273.878801]  ? handle_mm_fault+0x42a/0xc70
[  273.883034]  ? lock_downgrade+0x900/0x900
[  273.887187]  ? check_preemption_disabled+0x48/0x280
[  273.892206]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.897136]  ? kasan_check_read+0x11/0x20
[  273.901282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.906553]  ? rcu_softirq_qs+0x20/0x20
[  273.910545]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.915656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.921192]  ? check_preemption_disabled+0x48/0x280
[  273.926246]  handle_mm_fault+0x54f/0xc70
[  273.930321]  ? __handle_mm_fault+0x5be0/0x5be0
[  273.934901]  ? find_vma+0x34/0x190
[  273.938469]  __do_page_fault+0x5e8/0xe60
[  273.942544]  ? exit_to_usermode_loop+0x1f4/0x380
[  273.947305]  do_page_fault+0xf2/0x7e0
[  273.951106]  ? vmalloc_sync_all+0x30/0x30
[  273.955255]  ? error_entry+0x70/0xd0
[  273.959002]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.964017]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.968948]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.973871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.978726]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.983746]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.989203]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.994236]  ? page_fault+0x8/0x30
[  273.997776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.002625]  ? page_fault+0x8/0x30
[  274.006183]  page_fault+0x1e/0x30
[  274.009637] RIP: 0033:0x45db60
[  274.012843] Code: Bad RIP value.
[  274.016205] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  274.021565] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  274.028836] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  274.036100] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  274.043367] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  274.050645] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  274.057932] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  274.058017] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.064163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.064168] Call Trace:
[  274.064174]  <IRQ>
[  274.064194]  dump_stack+0x244/0x39d
[  274.064212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.070746] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.080031]  warn_alloc.cold.116+0xb7/0x1bd
[  274.082588] syz-fuzzer cpuset=/ mems_allowed=0
[  274.084723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.117479]  ? lock_downgrade+0x900/0x900
[  274.121646]  ? trace_hardirqs_off+0xb8/0x310
[  274.126079]  ? trace_hardirqs_off+0xb8/0x310
[  274.130512]  __alloc_pages_slowpath+0x26e8/0x2e10
[  274.135375]  ? warn_alloc+0x120/0x120
[  274.139178]  ? print_usage_bug+0xc0/0xc0
[  274.143243]  ? warn_alloc+0x120/0x120
[  274.147054]  ? warn_alloc+0x120/0x120
[  274.150857]  ? print_usage_bug+0xc0/0xc0
[  274.154923]  ? kvm_clock_read+0x18/0x30
[  274.158900]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  274.163916]  ? print_usage_bug+0xc0/0xc0
[  274.168023]  ? __lock_acquire+0x62f/0x4c20
[  274.172269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.177825]  ? should_fail+0x22d/0xd01
[  274.181710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.187016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.192129]  ? __lock_acquire+0x62f/0x4c20
[  274.196367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.201463]  ? __lock_acquire+0x62f/0x4c20
[  274.205692]  ? should_fail+0x22d/0xd01
[  274.209608]  ? rcu_irq_exit+0x1a2/0x390
[  274.213591]  ? mark_held_locks+0x130/0x130
[  274.217828]  ? mark_held_locks+0x130/0x130
[  274.222077]  ? mark_held_locks+0xc7/0x130
[  274.226221]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  274.231279]  ? zap_class+0x640/0x640
[  274.234999]  ? print_usage_bug+0xc0/0xc0
[  274.239075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.244619]  ? check_preemption_disabled+0x48/0x280
[  274.249651]  ? __lock_is_held+0xb5/0x140
[  274.253734]  __alloc_pages_nodemask+0xa80/0xde0
[  274.258407]  ? zap_class+0x640/0x640
[  274.262128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.267155]  ? find_held_lock+0x36/0x1c0
[  274.271241]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.275910]  ? lock_downgrade+0x900/0x900
[  274.280078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.285640]  cache_grow_begin+0xa5/0x8c0
[  274.289716]  ? do_raw_spin_unlock+0xa7/0x330
[  274.294139]  fallback_alloc+0x204/0x2e0
[  274.298127]  ____cache_alloc_node+0x1c7/0x1e0
[  274.302645]  kmem_cache_alloc_node+0xe3/0x730
[  274.307159]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.311405]  __alloc_skb+0x119/0x770
[  274.315120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.320444]  ? netdev_alloc_frag+0x1f0/0x1f0
[  274.324860]  ? lock_downgrade+0x900/0x900
[  274.329017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.334602]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.340063]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.345544]  ? addrconf_rs_timer+0x690/0x690
[  274.349982]  ndisc_alloc_skb+0x144/0x340
[  274.354055]  ndisc_send_rs+0x331/0x6e0
[  274.357944]  addrconf_rs_timer+0x314/0x690
[  274.362209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.366469]  call_timer_fn+0x272/0x920
[  274.370360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.374592]  ? process_timeout+0x40/0x40
[  274.378664]  ? mark_held_locks+0xc7/0x130
[  274.382814]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.387325]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.391820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.396067]  ? lockdep_hardirqs_on+0x296/0x5b0
[  274.400673]  ? trace_hardirqs_on+0xbd/0x310
[  274.405010]  ? kasan_check_read+0x11/0x20
[  274.409169]  ? __run_timers+0x7da/0xc70
[  274.413148]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.418269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.422511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.426752]  __run_timers+0x7e5/0xc70
[  274.430596]  ? timer_fixup_init+0x70/0x70
[  274.434796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.439835]  ? zap_class+0x640/0x640
[  274.443554]  ? print_usage_bug+0xc0/0xc0
[  274.447618]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.452835]  ? find_held_lock+0x36/0x1c0
[  274.456899]  ? zap_class+0x640/0x640
[  274.460624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.466171]  ? check_preemption_disabled+0x48/0x280
[  274.471198]  ? __lock_is_held+0xb5/0x140
[  274.475271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.480834]  ? check_preemption_disabled+0x48/0x280
[  274.485859]  run_timer_softirq+0x52/0xb0
[  274.489928]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.494951]  __do_softirq+0x308/0xb7e
[  274.498760]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.503257]  ? lock_downgrade+0x900/0x900
[  274.507420]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.512552]  ? pvclock_read_flags+0x160/0x160
[  274.517061]  ? lapic_next_event+0x5a/0x90
[  274.521222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.526769]  ? kvm_clock_read+0x18/0x30
[  274.530748]  ? kvm_sched_clock_read+0x9/0x20
[  274.535177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.540719]  ? check_preemption_disabled+0x48/0x280
[  274.545747]  irq_exit+0x17f/0x1c0
[  274.549200]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.554051]  ? smp_reschedule_interrupt+0x109/0x650
[  274.559589]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.565480]  ? interrupt_entry+0xb5/0xc0
[  274.569545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.574576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.579599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.584462]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.589481]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.594521]  ? task_prio+0x50/0x50
[  274.598075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.603622]  ? check_preemption_disabled+0x48/0x280
[  274.608653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.613509]  apic_timer_interrupt+0xf/0x20
[  274.617753]  </IRQ>
[  274.619997] RIP: 0010:dump_stack+0x358/0x39d
[  274.624405] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  274.643344] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  274.651077] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  274.658361] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  274.665661] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  274.672949] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  274.680238] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  274.687542]  ? dump_stack+0x34f/0x39d
[  274.691476]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.696667]  ? mark_held_locks+0x130/0x130
[  274.700897]  ? mark_held_locks+0x130/0x130
[  274.705135]  dump_header+0x27b/0xf72
[  274.708862]  ? pagefault_out_of_memory+0x197/0x197
[  274.713794]  ? __lock_acquire+0x62f/0x4c20
[  274.718025]  ? percpu_ref_get_many+0x240/0x240
[  274.722612]  ? print_usage_bug+0xc0/0xc0
[  274.726677]  ? zap_class+0x640/0x640
[  274.730390]  ? print_usage_bug+0xc0/0xc0
[  274.734444]  ? print_usage_bug+0xc0/0xc0
[  274.738517]  ? zap_class+0x640/0x640
[  274.742236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.747791]  ? find_held_lock+0x36/0x1c0
[  274.751863]  ? mark_held_locks+0xc7/0x130
[  274.756009]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.761112]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.766216]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.770819]  ? trace_hardirqs_on+0xbd/0x310
[  274.775140]  ? kasan_check_read+0x11/0x20
[  274.779289]  ? ___ratelimit+0x3b4/0x672
[  274.783270]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.788375]  ? trace_hardirqs_on+0x310/0x310
[  274.792785]  ? lock_downgrade+0x900/0x900
[  274.796941]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.802053]  ? ___ratelimit+0x3b9/0x672
[  274.806032]  ? idr_get_free+0xf70/0xf70
[  274.810017]  ? find_held_lock+0x36/0x1c0
[  274.814094]  oom_kill_process.cold.27+0x10/0x903
[  274.818848]  ? zap_class+0x640/0x640
[  274.822581]  ? check_preemption_disabled+0x48/0x280
[  274.827603]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.832532]  ? kasan_check_read+0x11/0x20
[  274.836678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.841979]  ? oom_evaluate_task+0x540/0x540
[  274.846403]  ? find_held_lock+0x36/0x1c0
[  274.850475]  ? out_of_memory+0x974/0x1430
[  274.854654]  ? lock_downgrade+0x900/0x900
[  274.858844]  ? check_preemption_disabled+0x48/0x280
[  274.863865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.868790]  ? kasan_check_read+0x11/0x20
[  274.872935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.878210]  ? rcu_softirq_qs+0x20/0x20
[  274.882189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.887721]  ? oom_evaluate_task+0x302/0x540
[  274.892134]  out_of_memory+0xa84/0x1430
[  274.896115]  ? oom_killer_disable+0x3a0/0x3a0
[  274.900625]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  274.905584]  ? __ww_mutex_check_waiters+0x160/0x160
[  274.910608]  __alloc_pages_slowpath+0x2354/0x2e10
[  274.915492]  ? warn_alloc+0x120/0x120
[  274.919294]  ? mark_held_locks+0x130/0x130
[  274.923551]  ? find_get_entry+0xaae/0x1120
[  274.927795]  ? filemap_map_pages+0x1a20/0x1a20
[  274.932392]  ? zap_class+0x640/0x640
[  274.936105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.941642]  ? check_preemption_disabled+0x48/0x280
[  274.946652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.952182]  ? should_fail+0x22d/0xd01
[  274.956098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.961201]  ? zap_class+0x640/0x640
[  274.964941]  ? __lock_is_held+0xb5/0x140
[  274.969019]  ? mark_held_locks+0x130/0x130
[  274.973259]  ? lock_release+0xa00/0xa00
[  274.977230]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.982676]  ? xa_load+0x2ba/0x460
[  274.986210]  ? lock_downgrade+0x900/0x900
[  274.990355]  ? __might_sleep+0x95/0x190
[  274.994360]  __alloc_pages_nodemask+0xa80/0xde0
[  274.999029]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.004057]  ? __page_cache_alloc+0x191/0x5c0
[  275.008552]  ? xa_load+0x2e1/0x460
[  275.012098]  ? xa_clear_mark+0x40/0x40
[  275.015989]  ? zap_class+0x640/0x640
[  275.019710]  ? zap_class+0x640/0x640
[  275.023433]  ? zap_class+0x640/0x640
[  275.027176]  ? __do_page_cache_readahead+0x663/0x810
[  275.032286]  ? find_held_lock+0x36/0x1c0
[  275.036352]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  275.041891]  alloc_pages_current+0x173/0x350
[  275.046302]  __page_cache_alloc+0x38c/0x5c0
[  275.050626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.055551]  ? kasan_check_read+0x11/0x20
[  275.059695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.064972]  ? generic_perform_write+0x6a0/0x6a0
[  275.069730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.075264]  ? check_preemption_disabled+0x48/0x280
[  275.080282]  filemap_fault+0x1595/0x25f0
[  275.084353]  ? __lock_page_or_retry+0xa00/0xa00
[  275.089021]  ? mark_held_locks+0x130/0x130
[  275.093268]  ? filemap_map_pages+0xd6b/0x1a20
[  275.097763]  ? lock_downgrade+0x900/0x900
[  275.101910]  ? check_preemption_disabled+0x48/0x280
[  275.106925]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.111852]  ? kasan_check_read+0x11/0x20
[  275.116050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.121332]  ? rcu_softirq_qs+0x20/0x20
[  275.125324]  ? filemap_map_pages+0xd92/0x1a20
[  275.129822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.135366]  ? find_get_entries_tag+0x1400/0x1400
[  275.140218]  ? __lock_acquire+0x62f/0x4c20
[  275.144469]  ? lock_acquire+0x1ed/0x520
[  275.148441]  ? ext4_filemap_fault+0x7a/0xad
[  275.152780]  ? lock_release+0xa00/0xa00
[  275.156748]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.162196]  ? print_usage_bug+0xc0/0xc0
[  275.166260]  ? print_usage_bug+0xc0/0xc0
[  275.170361]  ? down_read+0x8d/0x120
[  275.173982]  ? ext4_filemap_fault+0x7a/0xad
[  275.178302]  ? __down_interruptible+0x700/0x700
[  275.182981]  ext4_filemap_fault+0x82/0xad
[  275.187132]  __do_fault+0x100/0x6b0
[  275.190763]  ? pmd_devmap_trans_unstable+0x220/0x220
[  275.195865]  ? mark_held_locks+0x130/0x130
[  275.200103]  ? mark_held_locks+0x130/0x130
[  275.204338]  ? find_held_lock+0x36/0x1c0
[  275.208416]  ? find_held_lock+0x36/0x1c0
[  275.212480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.218021]  __handle_mm_fault+0x3ea0/0x5be0
[  275.222438]  ? poll_select_copy_remaining+0x18c/0x6a0
[  275.227637]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  275.232504]  ? __might_fault+0x12b/0x1e0
[  275.236591]  ? lock_downgrade+0x900/0x900
[  275.240748]  ? zap_class+0x640/0x640
[  275.244456]  ? zap_class+0x640/0x640
[  275.248173]  ? find_held_lock+0x36/0x1c0
[  275.252241]  ? handle_mm_fault+0x42a/0xc70
[  275.256476]  ? lock_downgrade+0x900/0x900
[  275.260649]  ? check_preemption_disabled+0x48/0x280
[  275.265662]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.270589]  ? kasan_check_read+0x11/0x20
[  275.274731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.280000]  ? rcu_softirq_qs+0x20/0x20
[  275.283976]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.289077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.294613]  ? check_preemption_disabled+0x48/0x280
[  275.299634]  handle_mm_fault+0x54f/0xc70
[  275.303700]  ? __handle_mm_fault+0x5be0/0x5be0
[  275.308284]  ? find_vma+0x34/0x190
[  275.311875]  __do_page_fault+0x5e8/0xe60
[  275.315929]  ? trace_hardirqs_off+0xb8/0x310
[  275.320365]  do_page_fault+0xf2/0x7e0
[  275.324163]  ? vmalloc_sync_all+0x30/0x30
[  275.328325]  ? error_entry+0x70/0xd0
[  275.332068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.337083]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.342024]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.346949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.351798]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.356838]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.362289]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.367316]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.372330]  ? page_fault+0x8/0x30
[  275.375866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.380753]  ? page_fault+0x8/0x30
[  275.384292]  page_fault+0x1e/0x30
[  275.387761] RIP: 0033:0x7fafaecd0dd3
[  275.391485] Code: Bad RIP value.
[  275.394856] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  275.400231] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  275.407511] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  275.414773] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  275.422046] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  275.429315] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  275.436613] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  275.436619] warn_alloc_show_mem: 1 callbacks suppressed
[  275.436626] Mem-Info:
[  275.443653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.449045] active_anon:50685 inactive_anon:189 isolated_anon:0
[  275.449045]  active_file:14 inactive_file:14 isolated_file:0
[  275.449045]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.449045]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  275.449045]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  275.449045]  free:13759 free_pcp:552 free_cma:0
[  275.451415] Call Trace:
[  275.460870] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.493709]  <IRQ>
[  275.496293] 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
[  275.523708]  dump_stack+0x244/0x39d
[  275.525822] lowmem_reserve[]: 0 2818 6321 6321
[  275.551923]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.555544] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  275.560146]  warn_alloc.cold.116+0xb7/0x1bd
[  275.565303] lowmem_reserve[]: 0 0 3503 3503
[  275.592882]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.597176] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  275.601508]  ? lock_downgrade+0x900/0x900
[  275.606324] lowmem_reserve[]: 0 0 0 0
[  275.635382]  ? trace_hardirqs_off+0xb8/0x310
[  275.639497] 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
[  275.643298]  ? trace_hardirqs_off+0xb8/0x310
[  275.647680] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  275.661202]  __alloc_pages_slowpath+0x26e8/0x2e10
[  275.665579] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  275.680942]  ? warn_alloc+0x120/0x120
[  275.685743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.700840]  ? print_usage_bug+0xc0/0xc0
[  275.704617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.713435]  ? warn_alloc+0x120/0x120
[  275.717474] 272 total pagecache pages
[  275.726051]  ? warn_alloc+0x120/0x120
[  275.729831] 0 pages in swap cache
[  275.733613]  ? print_usage_bug+0xc0/0xc0
[  275.737392] Swap cache stats: add 0, delete 0, find 0/0
[  275.740839]  ? print_usage_bug+0xc0/0xc0
[  275.744872] Free swap  = 0kB
[  275.750227]  ? __lock_acquire+0x62f/0x4c20
[  275.754265] Total swap = 0kB
[  275.757276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.761570] 1965979 pages RAM
[  275.764581]  ? should_fail+0x22d/0xd01
[  275.770089] 0 pages HighMem/MovableOnly
[  275.773187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.777071] 342853 pages reserved
[  275.781042]  ? __lock_acquire+0x62f/0x4c20
[  275.786158] 0 pages cma reserved
[  275.789607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.793887] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.797171]  ? __lock_acquire+0x62f/0x4c20
[  275.797187]  ? should_fail+0x22d/0xd01
[  275.802369] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.808755]  ? find_held_lock+0x36/0x1c0
[  275.812964] init cpuset=/ mems_allowed=0
[  275.816845]  ? mark_held_locks+0x130/0x130
[  275.838892]  ? mark_held_locks+0x130/0x130
[  275.843139]  ? zap_class+0x640/0x640
[  275.846848]  ? zap_class+0x640/0x640
[  275.850562]  ? print_usage_bug+0xc0/0xc0
[  275.855006]  ? do_raw_spin_unlock+0xa7/0x330
[  275.859434]  ? zap_class+0x640/0x640
[  275.863160]  ? print_usage_bug+0xc0/0xc0
[  275.867216]  ? wq_watchdog_touch+0x9c/0xfe
[  275.871447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.876983]  ? check_preemption_disabled+0x48/0x280
[  275.882003]  ? __lock_is_held+0xb5/0x140
[  275.886075]  __alloc_pages_nodemask+0xa80/0xde0
[  275.890740]  ? zap_class+0x640/0x640
[  275.894452]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.899474]  ? find_held_lock+0x36/0x1c0
[  275.903540]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.908204]  ? lock_downgrade+0x900/0x900
[  275.912355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.917891]  cache_grow_begin+0xa5/0x8c0
[  275.921976]  ? do_raw_spin_unlock+0xa7/0x330
[  275.926396]  fallback_alloc+0x204/0x2e0
[  275.930372]  ____cache_alloc_node+0x1c7/0x1e0
[  275.934862]  kmem_cache_alloc_node+0xe3/0x730
[  275.939351]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.943590]  __alloc_skb+0x119/0x770
[  275.947299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.952575]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.956995]  ? lock_downgrade+0x900/0x900
[  275.961146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.966691]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.972156]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.977605]  ? addrconf_rs_timer+0x690/0x690
[  275.982017]  ndisc_alloc_skb+0x144/0x340
[  275.986113]  ndisc_send_rs+0x331/0x6e0
[  275.990021]  addrconf_rs_timer+0x314/0x690
[  275.994342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.998624]  call_timer_fn+0x272/0x920
[  276.002548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.006797]  ? process_timeout+0x40/0x40
[  276.010868]  ? mark_held_locks+0xc7/0x130
[  276.015011]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.019505]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.023994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.028228]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.032818]  ? trace_hardirqs_on+0xbd/0x310
[  276.037134]  ? kasan_check_read+0x11/0x20
[  276.041280]  ? __run_timers+0x7da/0xc70
[  276.045257]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.050376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.054609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.058841]  __run_timers+0x7e5/0xc70
[  276.062645]  ? timer_fixup_init+0x70/0x70
[  276.066787]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.071825]  ? zap_class+0x640/0x640
[  276.075536]  ? print_usage_bug+0xc0/0xc0
[  276.079595]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.084789]  ? find_held_lock+0x36/0x1c0
[  276.088857]  ? zap_class+0x640/0x640
[  276.092572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.098113]  ? check_preemption_disabled+0x48/0x280
[  276.103137]  ? __lock_is_held+0xb5/0x140
[  276.107205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.112758]  ? check_preemption_disabled+0x48/0x280
[  276.117778]  run_timer_softirq+0x52/0xb0
[  276.121845]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.126860]  __do_softirq+0x308/0xb7e
[  276.130662]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.135154]  ? lock_downgrade+0x900/0x900
[  276.139303]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.144412]  ? pvclock_read_flags+0x160/0x160
[  276.148928]  ? lapic_next_event+0x5a/0x90
[  276.153076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.158617]  ? kvm_clock_read+0x18/0x30
[  276.162592]  ? kvm_sched_clock_read+0x9/0x20
[  276.167002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.172536]  ? check_preemption_disabled+0x48/0x280
[  276.177565]  irq_exit+0x17f/0x1c0
[  276.181015]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.185863]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.191745]  ? interrupt_entry+0xb5/0xc0
[  276.195814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.200828]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.205860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.210704]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.215743]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.220770]  ? task_prio+0x50/0x50
[  276.224312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.229846]  ? check_preemption_disabled+0x48/0x280
[  276.234862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.239711]  apic_timer_interrupt+0xf/0x20
[  276.243933]  </IRQ>
[  276.246165] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  276.251269] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  276.270166] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  276.277882] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  276.285146] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  276.292411] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  276.299675] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  276.306955] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  276.314250]  shrink_active_list+0x14eb/0x1f00
[  276.318792]  ? shrink_inactive_list+0x1c60/0x1c60
[  276.323634]  ? trace_hardirqs_on+0xbd/0x310
[  276.327958]  ? shrink_inactive_list+0xa4a/0x1c60
[  276.332727]  ? mark_held_locks+0x130/0x130
[  276.336959]  ? __lock_acquire+0x62f/0x4c20
[  276.341197]  ? print_usage_bug+0xc0/0xc0
[  276.345267]  ? mark_held_locks+0x130/0x130
[  276.349503]  ? mark_held_locks+0x130/0x130
[  276.353742]  ? print_usage_bug+0xc0/0xc0
[  276.357812]  ? __lock_acquire+0x62f/0x4c20
[  276.362055]  ? zap_class+0x640/0x640
[  276.365775]  ? zap_class+0x640/0x640
[  276.369515]  ? mark_held_locks+0x130/0x130
[  276.373753]  ? zap_class+0x640/0x640
[  276.377501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.383051]  ? check_preemption_disabled+0x48/0x280
[  276.388081]  ? __lock_is_held+0xb5/0x140
[  276.392158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.397172]  ? inactive_list_is_low+0x305/0x880
[  276.401854]  ? lruvec_lru_size+0x450/0x450
[  276.406090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.411642]  ? lruvec_lru_size+0x2ab/0x450
[  276.415874]  ? percpu_ref_put_many+0x13e/0x260
[  276.420465]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  276.425405]  ? find_held_lock+0x36/0x1c0
[  276.429471]  shrink_node_memcg+0x803/0x18f0
[  276.433897]  ? shrink_active_list+0x1f00/0x1f00
[  276.438569]  ? lock_downgrade+0x900/0x900
[  276.442719]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.447834]  ? cgroup_procs_write_finish+0xf0/0xf0
[  276.452768]  ? _raw_spin_unlock+0x2c/0x50
[  276.456920]  shrink_node+0x3bc/0x16b0
[  276.460724]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  276.466024]  ? shrink_node_memcg+0x18f0/0x18f0
[  276.470614]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.475211]  ? trace_hardirqs_on+0xbd/0x310
[  276.479534]  ? vmpressure+0x271/0x340
[  276.483338]  ? do_raw_spin_unlock+0xa7/0x330
[  276.487755]  ? do_raw_spin_trylock+0x270/0x270
[  276.492340]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.497890]  ? __cpuset_node_allowed+0x19b/0x660
[  276.502659]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  276.508382]  ? vmpressure+0x1a2/0x340
[  276.512189]  do_try_to_free_pages+0x3e7/0x1290
[  276.516771]  ? zap_class+0x640/0x640
[  276.520514]  ? shrink_node+0x16b0/0x16b0
[  276.524577]  ? __lock_is_held+0xb5/0x140
[  276.528652]  try_to_free_pages+0x4d0/0xb90
[  276.532895]  ? do_try_to_free_pages+0x1290/0x1290
[  276.537750]  ? lock_acquire+0x1ed/0x520
[  276.541761]  ? set_page_refcounted+0x280/0x280
[  276.546391]  ? lock_release+0xa00/0xa00
[  276.550403]  ? _raw_spin_unlock_irq+0x60/0x80
[  276.554911]  ? psi_memstall_enter+0x240/0x2b0
[  276.559409]  ? psi_memstall_tick+0x230/0x230
[  276.563837]  __alloc_pages_slowpath+0xa14/0x2e10
[  276.568608]  ? warn_alloc+0x120/0x120
[  276.572412]  ? mark_held_locks+0x130/0x130
[  276.576648]  ? find_get_entry+0xaae/0x1120
[  276.580898]  ? filemap_map_pages+0x1a20/0x1a20
[  276.585488]  ? zap_class+0x640/0x640
[  276.589205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.594757]  ? check_preemption_disabled+0x48/0x280
[  276.599773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.605311]  ? should_fail+0x22d/0xd01
[  276.609206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.614308]  ? zap_class+0x640/0x640
[  276.618049]  ? __lock_is_held+0xb5/0x140
[  276.622115]  ? mark_held_locks+0x130/0x130
[  276.626377]  ? lock_release+0xa00/0xa00
[  276.630367]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.635834]  ? xa_load+0x2ba/0x460
[  276.639374]  ? lock_downgrade+0x900/0x900
[  276.643521]  ? __might_sleep+0x95/0x190
[  276.647530]  __alloc_pages_nodemask+0xa80/0xde0
[  276.652224]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.657239]  ? __page_cache_alloc+0x191/0x5c0
[  276.661729]  ? xa_load+0x2e1/0x460
[  276.665268]  ? xa_clear_mark+0x40/0x40
[  276.669156]  ? zap_class+0x640/0x640
[  276.672876]  ? zap_class+0x640/0x640
[  276.676587]  ? zap_class+0x640/0x640
[  276.680328]  ? __do_page_cache_readahead+0x663/0x810
[  276.685436]  ? find_held_lock+0x36/0x1c0
[  276.689999]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  276.695547]  alloc_pages_current+0x173/0x350
[  276.699958]  __page_cache_alloc+0x38c/0x5c0
[  276.704276]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.709207]  ? kasan_check_read+0x11/0x20
[  276.713351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.718631]  ? generic_perform_write+0x6a0/0x6a0
[  276.723387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.728921]  ? check_preemption_disabled+0x48/0x280
[  276.733937]  filemap_fault+0x1595/0x25f0
[  276.738015]  ? __lock_page_or_retry+0xa00/0xa00
[  276.742686]  ? mark_held_locks+0x130/0x130
[  276.746923]  ? filemap_map_pages+0xd6b/0x1a20
[  276.751426]  ? lock_downgrade+0x900/0x900
[  276.755612]  ? check_preemption_disabled+0x48/0x280
[  276.760640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.765566]  ? kasan_check_read+0x11/0x20
[  276.769729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.775000]  ? rcu_softirq_qs+0x20/0x20
[  276.778982]  ? filemap_map_pages+0xd92/0x1a20
[  276.783477]  ? print_usage_bug+0xc0/0xc0
[  276.787539]  ? find_get_entries_tag+0x1400/0x1400
[  276.792380]  ? __kasan_slab_free+0x102/0x150
[  276.796785]  ? kasan_slab_free+0xe/0x10
[  276.800762]  ? kmem_cache_free+0x83/0x290
[  276.804907]  ? __sigqueue_free.part.29+0x74/0x90
[  276.809674]  ? lock_acquire+0x1ed/0x520
[  276.813647]  ? ext4_filemap_fault+0x7a/0xad
[  276.817969]  ? lock_release+0xa00/0xa00
[  276.821962]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.827412]  ? print_usage_bug+0xc0/0xc0
[  276.831486]  ? print_usage_bug+0xc0/0xc0
[  276.835555]  ? down_read+0x8d/0x120
[  276.839177]  ? ext4_filemap_fault+0x7a/0xad
[  276.843495]  ? __down_interruptible+0x700/0x700
[  276.848179]  ext4_filemap_fault+0x82/0xad
[  276.852340]  __do_fault+0x100/0x6b0
[  276.855970]  ? pmd_devmap_trans_unstable+0x220/0x220
[  276.861076]  ? mark_held_locks+0x130/0x130
[  276.865314]  ? mark_held_locks+0x130/0x130
[  276.869557]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  276.875113]  ? rcu_pm_notify+0xc0/0xc0
[  276.879011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.884569]  __handle_mm_fault+0x3ea0/0x5be0
[  276.888994]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  276.893837]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.898333]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.902940]  ? trace_hardirqs_on+0xbd/0x310
[  276.907264]  ? kasan_check_read+0x11/0x20
[  276.911412]  ? __set_current_blocked+0xdf/0x120
[  276.916102]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.921224]  ? zap_class+0x640/0x640
[  276.924941]  ? zap_class+0x640/0x640
[  276.928692]  ? find_held_lock+0x36/0x1c0
[  276.932795]  ? handle_mm_fault+0x42a/0xc70
[  276.937048]  ? lock_downgrade+0x900/0x900
[  276.941216]  ? check_preemption_disabled+0x48/0x280
[  276.946236]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.951185]  ? kasan_check_read+0x11/0x20
[  276.955336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.960620]  ? rcu_softirq_qs+0x20/0x20
[  276.964603]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.969713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.975261]  ? check_preemption_disabled+0x48/0x280
[  276.980317]  handle_mm_fault+0x54f/0xc70
[  276.984400]  ? __handle_mm_fault+0x5be0/0x5be0
[  276.989003]  ? find_vma+0x34/0x190
[  276.992558]  __do_page_fault+0x5e8/0xe60
[  276.996639]  ? exit_to_usermode_loop+0x1f4/0x380
[  277.001415]  do_page_fault+0xf2/0x7e0
[  277.005225]  ? vmalloc_sync_all+0x30/0x30
[  277.009376]  ? error_entry+0x70/0xd0
[  277.013115]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.018135]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.023076]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.028008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.032868]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.037889]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.043385]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.048407]  ? page_fault+0x8/0x30
[  277.051950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.056797]  ? page_fault+0x8/0x30
[  277.060391]  page_fault+0x1e/0x30
[  277.063848] RIP: 0033:0x45db60
[  277.067062] Code: Bad RIP value.
[  277.070422] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  277.075785] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  277.083061] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  277.090334] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  277.097604] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  277.104874] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  277.112173] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  277.112278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.118419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.118429] Call Trace:
[  277.125071] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.134256]  <IRQ>
[  277.136835] syz-fuzzer cpuset=/ mems_allowed=0
[  277.147078]  dump_stack+0x244/0x39d
[  277.157430]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.162642]  warn_alloc.cold.116+0xb7/0x1bd
[  277.166973]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.171828]  ? lock_downgrade+0x900/0x900
[  277.175986]  ? trace_hardirqs_off+0xb8/0x310
[  277.180415]  ? trace_hardirqs_off+0xb8/0x310
[  277.184839]  __alloc_pages_slowpath+0x26e8/0x2e10
[  277.189725]  ? warn_alloc+0x120/0x120
[  277.193529]  ? print_usage_bug+0xc0/0xc0
[  277.197609]  ? warn_alloc+0x120/0x120
[  277.201422]  ? warn_alloc+0x120/0x120
[  277.205227]  ? print_usage_bug+0xc0/0xc0
[  277.209290]  ? kvm_clock_read+0x18/0x30
[  277.213273]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  277.218298]  ? print_usage_bug+0xc0/0xc0
[  277.222387]  ? __lock_acquire+0x62f/0x4c20
[  277.226636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.232212]  ? should_fail+0x22d/0xd01
[  277.236099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.241402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.246545]  ? __lock_acquire+0x62f/0x4c20
[  277.250786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.255893]  ? __lock_acquire+0x62f/0x4c20
[  277.260129]  ? should_fail+0x22d/0xd01
[  277.264023]  ? rcu_irq_exit+0x1a2/0x390
[  277.268014]  ? mark_held_locks+0x130/0x130
[  277.272267]  ? mark_held_locks+0x130/0x130
[  277.276554]  ? mark_held_locks+0xc7/0x130
[  277.280717]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  277.285733]  ? zap_class+0x640/0x640
[  277.289457]  ? print_usage_bug+0xc0/0xc0
[  277.293538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.299145]  ? check_preemption_disabled+0x48/0x280
[  277.304180]  ? __lock_is_held+0xb5/0x140
[  277.308255]  __alloc_pages_nodemask+0xa80/0xde0
[  277.312927]  ? zap_class+0x640/0x640
[  277.316661]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.321690]  ? find_held_lock+0x36/0x1c0
[  277.325768]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.330445]  ? lock_downgrade+0x900/0x900
[  277.334608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.340156]  cache_grow_begin+0xa5/0x8c0
[  277.344222]  ? do_raw_spin_unlock+0xa7/0x330
[  277.348641]  fallback_alloc+0x204/0x2e0
[  277.352627]  ____cache_alloc_node+0x1c7/0x1e0
[  277.357134]  kmem_cache_alloc_node+0xe3/0x730
[  277.361629]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.365873]  __alloc_skb+0x119/0x770
[  277.369589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.374873]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.379284]  ? lock_downgrade+0x900/0x900
[  277.383471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.389025]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.394500]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.399966]  ? addrconf_rs_timer+0x690/0x690
[  277.404425]  ndisc_alloc_skb+0x144/0x340
[  277.408499]  ndisc_send_rs+0x331/0x6e0
[  277.412401]  addrconf_rs_timer+0x314/0x690
[  277.416658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.420937]  call_timer_fn+0x272/0x920
[  277.424829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.429086]  ? process_timeout+0x40/0x40
[  277.433181]  ? mark_held_locks+0xc7/0x130
[  277.437337]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.441836]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.446335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.450608]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.455198]  ? trace_hardirqs_on+0xbd/0x310
[  277.459536]  ? kasan_check_read+0x11/0x20
[  277.463699]  ? __run_timers+0x7da/0xc70
[  277.467681]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.472796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.477047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.481284]  __run_timers+0x7e5/0xc70
[  277.485118]  ? timer_fixup_init+0x70/0x70
[  277.489274]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.494291]  ? zap_class+0x640/0x640
[  277.498025]  ? print_usage_bug+0xc0/0xc0
[  277.502114]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.507350]  ? find_held_lock+0x36/0x1c0
[  277.511422]  ? zap_class+0x640/0x640
[  277.515165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.520741]  ? check_preemption_disabled+0x48/0x280
[  277.525772]  ? __lock_is_held+0xb5/0x140
[  277.529837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.535381]  ? check_preemption_disabled+0x48/0x280
[  277.540427]  run_timer_softirq+0x52/0xb0
[  277.544508]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.549532]  __do_softirq+0x308/0xb7e
[  277.553367]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.557879]  ? lock_downgrade+0x900/0x900
[  277.562053]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.567169]  ? pvclock_read_flags+0x160/0x160
[  277.571675]  ? lapic_next_event+0x5a/0x90
[  277.575838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.581421]  ? kvm_clock_read+0x18/0x30
[  277.585409]  ? kvm_sched_clock_read+0x9/0x20
[  277.589887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.595429]  ? check_preemption_disabled+0x48/0x280
[  277.600474]  irq_exit+0x17f/0x1c0
[  277.603932]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.608777]  ? smp_reschedule_interrupt+0x109/0x650
[  277.613801]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.619700]  ? interrupt_entry+0xb5/0xc0
[  277.623781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.628805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.633839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.638692]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.643714]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.648740]  ? task_prio+0x50/0x50
[  277.652288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.657844]  ? check_preemption_disabled+0x48/0x280
[  277.662877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.667746]  apic_timer_interrupt+0xf/0x20
[  277.671975]  </IRQ>
[  277.674216] RIP: 0010:dump_stack+0x358/0x39d
[  277.678624] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  277.697540] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  277.705274] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  277.712576] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  277.719860] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  277.727143] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  277.734424] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  277.741771]  ? dump_stack+0x34f/0x39d
[  277.745597]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.750804]  ? mark_held_locks+0x130/0x130
[  277.755052]  ? mark_held_locks+0x130/0x130
[  277.759314]  dump_header+0x27b/0xf72
[  277.763075]  ? pagefault_out_of_memory+0x197/0x197
[  277.768041]  ? __lock_acquire+0x62f/0x4c20
[  277.772282]  ? percpu_ref_get_many+0x240/0x240
[  277.776889]  ? print_usage_bug+0xc0/0xc0
[  277.780958]  ? zap_class+0x640/0x640
[  277.784678]  ? print_usage_bug+0xc0/0xc0
[  277.788737]  ? print_usage_bug+0xc0/0xc0
[  277.792803]  ? zap_class+0x640/0x640
[  277.796539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.802107]  ? find_held_lock+0x36/0x1c0
[  277.806195]  ? mark_held_locks+0xc7/0x130
[  277.810350]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.815469]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.820607]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.825197]  ? trace_hardirqs_on+0xbd/0x310
[  277.829520]  ? kasan_check_read+0x11/0x20
[  277.833671]  ? ___ratelimit+0x3b4/0x672
[  277.837653]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.842757]  ? trace_hardirqs_on+0x310/0x310
[  277.847169]  ? lock_downgrade+0x900/0x900
[  277.851330]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.856443]  ? ___ratelimit+0x3b9/0x672
[  277.860435]  ? idr_get_free+0xf70/0xf70
[  277.864417]  ? find_held_lock+0x36/0x1c0
[  277.868490]  oom_kill_process.cold.27+0x10/0x903
[  277.873254]  ? zap_class+0x640/0x640
[  277.876971]  ? check_preemption_disabled+0x48/0x280
[  277.881988]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.886946]  ? kasan_check_read+0x11/0x20
[  277.891098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.896378]  ? oom_evaluate_task+0x540/0x540
[  277.900791]  ? find_held_lock+0x36/0x1c0
[  277.904858]  ? out_of_memory+0x974/0x1430
[  277.909024]  ? lock_downgrade+0x900/0x900
[  277.913230]  ? check_preemption_disabled+0x48/0x280
[  277.918273]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.923227]  ? kasan_check_read+0x11/0x20
[  277.927377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.932686]  ? rcu_softirq_qs+0x20/0x20
[  277.936672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.942213]  ? oom_evaluate_task+0x302/0x540
[  277.946631]  out_of_memory+0xa84/0x1430
[  277.950621]  ? oom_killer_disable+0x3a0/0x3a0
[  277.955122]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  277.960068]  ? __ww_mutex_check_waiters+0x160/0x160
[  277.965123]  __alloc_pages_slowpath+0x2354/0x2e10
[  277.970001]  ? warn_alloc+0x120/0x120
[  277.973809]  ? mark_held_locks+0x130/0x130
[  277.978055]  ? find_get_entry+0xaae/0x1120
[  277.982299]  ? filemap_map_pages+0x1a20/0x1a20
[  277.986896]  ? zap_class+0x640/0x640
[  277.990620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.996164]  ? check_preemption_disabled+0x48/0x280
[  278.001183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.006727]  ? should_fail+0x22d/0xd01
[  278.010627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.015741]  ? zap_class+0x640/0x640
[  278.019494]  ? __lock_is_held+0xb5/0x140
[  278.023563]  ? mark_held_locks+0x130/0x130
[  278.027805]  ? lock_release+0xa00/0xa00
[  278.031797]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.037251]  ? xa_load+0x2ba/0x460
[  278.040793]  ? lock_downgrade+0x900/0x900
[  278.044945]  ? __might_sleep+0x95/0x190
[  278.048929]  __alloc_pages_nodemask+0xa80/0xde0
[  278.053639]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.058657]  ? __page_cache_alloc+0x191/0x5c0
[  278.063166]  ? xa_load+0x2e1/0x460
[  278.066717]  ? xa_clear_mark+0x40/0x40
[  278.070614]  ? zap_class+0x640/0x640
[  278.074343]  ? zap_class+0x640/0x640
[  278.078106]  ? zap_class+0x640/0x640
[  278.081821]  ? __do_page_cache_readahead+0x663/0x810
[  278.086935]  ? find_held_lock+0x36/0x1c0
[  278.091003]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  278.096563]  alloc_pages_current+0x173/0x350
[  278.101024]  __page_cache_alloc+0x38c/0x5c0
[  278.105357]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.110292]  ? kasan_check_read+0x11/0x20
[  278.114454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.119743]  ? generic_perform_write+0x6a0/0x6a0
[  278.124524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.130092]  ? check_preemption_disabled+0x48/0x280
[  278.135130]  filemap_fault+0x1595/0x25f0
[  278.139215]  ? __lock_page_or_retry+0xa00/0xa00
[  278.143910]  ? mark_held_locks+0x130/0x130
[  278.148161]  ? filemap_map_pages+0xd6b/0x1a20
[  278.152667]  ? lock_downgrade+0x900/0x900
[  278.156823]  ? check_preemption_disabled+0x48/0x280
[  278.161856]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.166793]  ? kasan_check_read+0x11/0x20
[  278.170946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.176249]  ? rcu_softirq_qs+0x20/0x20
[  278.180256]  ? filemap_map_pages+0xd92/0x1a20
[  278.184798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.190352]  ? find_get_entries_tag+0x1400/0x1400
[  278.195205]  ? __lock_acquire+0x62f/0x4c20
[  278.199478]  ? lock_acquire+0x1ed/0x520
[  278.203508]  ? ext4_filemap_fault+0x7a/0xad
[  278.207841]  ? lock_release+0xa00/0xa00
[  278.211815]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.217272]  ? print_usage_bug+0xc0/0xc0
[  278.221339]  ? print_usage_bug+0xc0/0xc0
[  278.225454]  ? down_read+0x8d/0x120
[  278.229081]  ? ext4_filemap_fault+0x7a/0xad
[  278.233420]  ? __down_interruptible+0x700/0x700
[  278.238097]  ext4_filemap_fault+0x82/0xad
[  278.242248]  __do_fault+0x100/0x6b0
[  278.245878]  ? pmd_devmap_trans_unstable+0x220/0x220
[  278.251013]  ? mark_held_locks+0x130/0x130
[  278.255262]  ? mark_held_locks+0x130/0x130
[  278.259503]  ? find_held_lock+0x36/0x1c0
[  278.263580]  ? find_held_lock+0x36/0x1c0
[  278.267660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.273222]  __handle_mm_fault+0x3ea0/0x5be0
[  278.277654]  ? poll_select_copy_remaining+0x18c/0x6a0
[  278.282860]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  278.287715]  ? __might_fault+0x12b/0x1e0
[  278.291784]  ? lock_downgrade+0x900/0x900
[  278.295961]  ? zap_class+0x640/0x640
[  278.299691]  ? zap_class+0x640/0x640
[  278.303415]  ? find_held_lock+0x36/0x1c0
[  278.307501]  ? handle_mm_fault+0x42a/0xc70
[  278.311742]  ? lock_downgrade+0x900/0x900
[  278.315897]  ? check_preemption_disabled+0x48/0x280
[  278.320919]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.325853]  ? kasan_check_read+0x11/0x20
[  278.330070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.335373]  ? rcu_softirq_qs+0x20/0x20
[  278.339359]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.344470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.350045]  ? check_preemption_disabled+0x48/0x280
[  278.355085]  handle_mm_fault+0x54f/0xc70
[  278.359165]  ? __handle_mm_fault+0x5be0/0x5be0
[  278.363767]  ? find_vma+0x34/0x190
[  278.367325]  __do_page_fault+0x5e8/0xe60
[  278.371392]  ? trace_hardirqs_off+0xb8/0x310
[  278.375830]  do_page_fault+0xf2/0x7e0
[  278.379636]  ? vmalloc_sync_all+0x30/0x30
[  278.383791]  ? error_entry+0x70/0xd0
[  278.387513]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.392575]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.397514]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.402447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.407325]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.412350]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.417844]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  278.422871]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.427897]  ? page_fault+0x8/0x30
[  278.431473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.436327]  ? page_fault+0x8/0x30
[  278.439888]  page_fault+0x1e/0x30
[  278.443346] RIP: 0033:0x7fafaecd0dd3
[  278.447081] Code: Bad RIP value.
[  278.450444] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  278.455806] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  278.463099] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  278.470373] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  278.477676] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  278.484951] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  278.492267] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  278.492272] warn_alloc_show_mem: 1 callbacks suppressed
[  278.492281] Mem-Info:
[  278.499306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.504697] active_anon:50685 inactive_anon:189 isolated_anon:0
[  278.504697]  active_file:14 inactive_file:14 isolated_file:0
[  278.504697]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.504697]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  278.504697]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  278.504697]  free:13759 free_pcp:552 free_cma:0
[  278.507069] Call Trace:
[  278.516463] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  278.549322]  <IRQ>
[  278.549354]  dump_stack+0x244/0x39d
[  278.551917] 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
[  278.579597]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.581738] lowmem_reserve[]: 0 2818 6321 6321
[  278.585369]  warn_alloc.cold.116+0xb7/0x1bd
[  278.611466] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  278.616701]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.621255] lowmem_reserve[]: 0 0 3503 3503
[  278.625574]  ? lock_downgrade+0x900/0x900
[  278.653172] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  278.658045]  ? trace_hardirqs_off+0xb8/0x310
[  278.662313] lowmem_reserve[]: 0 0 0 0
[  278.666460]  ? trace_hardirqs_off+0xb8/0x310
[  278.695643] 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
[  278.700071]  __alloc_pages_slowpath+0x26e8/0x2e10
[  278.703832] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  278.708271]  ? warn_alloc+0x120/0x120
[  278.721741] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  278.726880]  ? print_usage_bug+0xc0/0xc0
[  278.742204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.745984]  ? warn_alloc+0x120/0x120
[  278.761069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.765150]  ? warn_alloc+0x120/0x120
[  278.773980] 272 total pagecache pages
[  278.777783]  ? print_usage_bug+0xc0/0xc0
[  278.786351] 0 pages in swap cache
[  278.790151]  ? kvm_clock_read+0x18/0x30
[  278.793922] Swap cache stats: add 0, delete 0, find 0/0
[  278.797979]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.801407] Free swap  = 0kB
[  278.805423]  ? print_usage_bug+0xc0/0xc0
[  278.810759] Total swap = 0kB
[  278.815772]  ? __lock_acquire+0x62f/0x4c20
[  278.818758] 1965979 pages RAM
[  278.822822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.825802] 0 pages HighMem/MovableOnly
[  278.830042]  ? should_fail+0x22d/0xd01
[  278.833124] 342853 pages reserved
[  278.838675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.842622] 0 pages cma reserved
[  278.846509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.850006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.855201]  ? __lock_acquire+0x62f/0x4c20
[  278.855219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.855230]  ? __lock_acquire+0x62f/0x4c20
[  278.855243]  ? should_fail+0x22d/0xd01
[  278.855260]  ? rcu_irq_exit+0x1a2/0x390
[  278.858682] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.863731]  ? mark_held_locks+0x130/0x130
[  278.870193] init cpuset=/ mems_allowed=0
[  278.874447]  ? mark_held_locks+0x130/0x130
[  278.913797]  ? mark_held_locks+0xc7/0x130
[  278.917950]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  278.922976]  ? zap_class+0x640/0x640
[  278.926696]  ? print_usage_bug+0xc0/0xc0
[  278.930763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.936307]  ? check_preemption_disabled+0x48/0x280
[  278.941346]  ? __lock_is_held+0xb5/0x140
[  278.945433]  __alloc_pages_nodemask+0xa80/0xde0
[  278.950109]  ? zap_class+0x640/0x640
[  278.953837]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.958871]  ? find_held_lock+0x36/0x1c0
[  278.962961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.967650]  ? lock_downgrade+0x900/0x900
[  278.971815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.977365]  cache_grow_begin+0xa5/0x8c0
[  278.981433]  ? do_raw_spin_unlock+0xa7/0x330
[  278.985849]  fallback_alloc+0x204/0x2e0
[  278.989835]  ____cache_alloc_node+0x1c7/0x1e0
[  278.994342]  kmem_cache_alloc_node+0xe3/0x730
[  278.998854]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.003161]  __alloc_skb+0x119/0x770
[  279.006889]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.012190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.016605]  ? lock_downgrade+0x900/0x900
[  279.020763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.026306]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.031763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.037217]  ? addrconf_rs_timer+0x690/0x690
[  279.041672]  ndisc_alloc_skb+0x144/0x340
[  279.045738]  ndisc_send_rs+0x331/0x6e0
[  279.049633]  addrconf_rs_timer+0x314/0x690
[  279.053873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.058119]  call_timer_fn+0x272/0x920
[  279.062010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.066254]  ? process_timeout+0x40/0x40
[  279.070320]  ? mark_held_locks+0xc7/0x130
[  279.074469]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.078995]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.083490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.087732]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.092320]  ? trace_hardirqs_on+0xbd/0x310
[  279.096643]  ? kasan_check_read+0x11/0x20
[  279.100791]  ? __run_timers+0x7da/0xc70
[  279.104805]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.109939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.114199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.118456]  __run_timers+0x7e5/0xc70
[  279.122272]  ? timer_fixup_init+0x70/0x70
[  279.126425]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.131448]  ? zap_class+0x640/0x640
[  279.135173]  ? print_usage_bug+0xc0/0xc0
[  279.139243]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.144444]  ? find_held_lock+0x36/0x1c0
[  279.148514]  ? zap_class+0x640/0x640
[  279.152237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.157786]  ? check_preemption_disabled+0x48/0x280
[  279.162831]  ? __lock_is_held+0xb5/0x140
[  279.166900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.172445]  ? check_preemption_disabled+0x48/0x280
[  279.177472]  run_timer_softirq+0x52/0xb0
[  279.181537]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.186559]  __do_softirq+0x308/0xb7e
[  279.190369]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.194878]  ? lock_downgrade+0x900/0x900
[  279.199054]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.204172]  ? pvclock_read_flags+0x160/0x160
[  279.208675]  ? lapic_next_event+0x5a/0x90
[  279.212837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.218383]  ? kvm_clock_read+0x18/0x30
[  279.222362]  ? kvm_sched_clock_read+0x9/0x20
[  279.226782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.232350]  ? check_preemption_disabled+0x48/0x280
[  279.237382]  irq_exit+0x17f/0x1c0
[  279.240846]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.245691]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.251593]  ? interrupt_entry+0xb5/0xc0
[  279.255660]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.260681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.265722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.270568]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.275587]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.280611]  ? task_prio+0x50/0x50
[  279.284159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.289707]  ? check_preemption_disabled+0x48/0x280
[  279.294734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.299596]  apic_timer_interrupt+0xf/0x20
[  279.303828]  </IRQ>
[  279.306074] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  279.311182] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  279.330100] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  279.337852] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  279.345124] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  279.352396] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  279.359674] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  279.366944] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  279.374270]  shrink_active_list+0x14eb/0x1f00
[  279.378802]  ? shrink_inactive_list+0x1c60/0x1c60
[  279.383653]  ? trace_hardirqs_on+0xbd/0x310
[  279.387995]  ? shrink_inactive_list+0xa4a/0x1c60
[  279.392770]  ? mark_held_locks+0x130/0x130
[  279.397010]  ? __lock_acquire+0x62f/0x4c20
[  279.401265]  ? print_usage_bug+0xc0/0xc0
[  279.405340]  ? mark_held_locks+0x130/0x130
[  279.409581]  ? mark_held_locks+0x130/0x130
[  279.413846]  ? print_usage_bug+0xc0/0xc0
[  279.417906]  ? __lock_acquire+0x62f/0x4c20
[  279.422161]  ? zap_class+0x640/0x640
[  279.425874]  ? zap_class+0x640/0x640
[  279.429610]  ? mark_held_locks+0x130/0x130
[  279.433849]  ? zap_class+0x640/0x640
[  279.437582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.443131]  ? check_preemption_disabled+0x48/0x280
[  279.448163]  ? __lock_is_held+0xb5/0x140
[  279.452241]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.457264]  ? inactive_list_is_low+0x305/0x880
[  279.461942]  ? lruvec_lru_size+0x450/0x450
[  279.466183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.471721]  ? lruvec_lru_size+0x2ab/0x450
[  279.475974]  ? percpu_ref_put_many+0x13e/0x260
[  279.480572]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  279.485517]  ? find_held_lock+0x36/0x1c0
[  279.489589]  shrink_node_memcg+0x803/0x18f0
[  279.493926]  ? shrink_active_list+0x1f00/0x1f00
[  279.498603]  ? lock_downgrade+0x900/0x900
[  279.502774]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.507890]  ? cgroup_procs_write_finish+0xf0/0xf0
[  279.512831]  ? _raw_spin_unlock+0x2c/0x50
[  279.517002]  shrink_node+0x3bc/0x16b0
[  279.520835]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  279.526143]  ? shrink_node_memcg+0x18f0/0x18f0
[  279.530725]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.535308]  ? trace_hardirqs_on+0xbd/0x310
[  279.539632]  ? vmpressure+0x271/0x340
[  279.543435]  ? do_raw_spin_unlock+0xa7/0x330
[  279.547842]  ? do_raw_spin_trylock+0x270/0x270
[  279.552449]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.557997]  ? __cpuset_node_allowed+0x19b/0x660
[  279.562772]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  279.568493]  ? vmpressure+0x1a2/0x340
[  279.572309]  do_try_to_free_pages+0x3e7/0x1290
[  279.576892]  ? zap_class+0x640/0x640
[  279.580621]  ? shrink_node+0x16b0/0x16b0
[  279.584701]  ? __lock_is_held+0xb5/0x140
[  279.588787]  try_to_free_pages+0x4d0/0xb90
[  279.593024]  ? do_try_to_free_pages+0x1290/0x1290
[  279.597945]  ? lock_acquire+0x1ed/0x520
[  279.601919]  ? set_page_refcounted+0x280/0x280
[  279.606520]  ? lock_release+0xa00/0xa00
[  279.610500]  ? _raw_spin_unlock_irq+0x60/0x80
[  279.615015]  ? psi_memstall_enter+0x240/0x2b0
[  279.619531]  ? psi_memstall_tick+0x230/0x230
[  279.623951]  __alloc_pages_slowpath+0xa14/0x2e10
[  279.628750]  ? warn_alloc+0x120/0x120
[  279.632555]  ? mark_held_locks+0x130/0x130
[  279.636798]  ? find_get_entry+0xaae/0x1120
[  279.641075]  ? filemap_map_pages+0x1a20/0x1a20
[  279.645669]  ? zap_class+0x640/0x640
[  279.649425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.654977]  ? check_preemption_disabled+0x48/0x280
[  279.660001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.665550]  ? should_fail+0x22d/0xd01
[  279.669445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.674557]  ? zap_class+0x640/0x640
[  279.678314]  ? __lock_is_held+0xb5/0x140
[  279.682433]  ? mark_held_locks+0x130/0x130
[  279.686678]  ? lock_release+0xa00/0xa00
[  279.690655]  ? perf_trace_sched_process_exec+0x860/0x860
[  279.696119]  ? xa_load+0x2ba/0x460
[  279.699665]  ? lock_downgrade+0x900/0x900
[  279.703825]  ? __might_sleep+0x95/0x190
[  279.707814]  __alloc_pages_nodemask+0xa80/0xde0
[  279.712492]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  279.717512]  ? __page_cache_alloc+0x191/0x5c0
[  279.722004]  ? xa_load+0x2e1/0x460
[  279.725540]  ? xa_clear_mark+0x40/0x40
[  279.729428]  ? zap_class+0x640/0x640
[  279.733161]  ? zap_class+0x640/0x640
[  279.736885]  ? zap_class+0x640/0x640
[  279.740600]  ? __do_page_cache_readahead+0x663/0x810
[  279.745729]  ? find_held_lock+0x36/0x1c0
[  279.749798]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  279.755353]  alloc_pages_current+0x173/0x350
[  279.759771]  __page_cache_alloc+0x38c/0x5c0
[  279.764091]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.769021]  ? kasan_check_read+0x11/0x20
[  279.773174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.778455]  ? generic_perform_write+0x6a0/0x6a0
[  279.783230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.788787]  ? check_preemption_disabled+0x48/0x280
[  279.793824]  filemap_fault+0x1595/0x25f0
[  279.797925]  ? __lock_page_or_retry+0xa00/0xa00
[  279.802598]  ? mark_held_locks+0x130/0x130
[  279.806862]  ? filemap_map_pages+0xd6b/0x1a20
[  279.811372]  ? lock_downgrade+0x900/0x900
[  279.815523]  ? check_preemption_disabled+0x48/0x280
[  279.820539]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  279.825465]  ? kasan_check_read+0x11/0x20
[  279.829611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.834899]  ? rcu_softirq_qs+0x20/0x20
[  279.838884]  ? filemap_map_pages+0xd92/0x1a20
[  279.843390]  ? print_usage_bug+0xc0/0xc0
[  279.847502]  ? find_get_entries_tag+0x1400/0x1400
[  279.852377]  ? __kasan_slab_free+0x102/0x150
[  279.856780]  ? kasan_slab_free+0xe/0x10
[  279.860755]  ? kmem_cache_free+0x83/0x290
[  279.864898]  ? __sigqueue_free.part.29+0x74/0x90
[  279.869678]  ? lock_acquire+0x1ed/0x520
[  279.873658]  ? ext4_filemap_fault+0x7a/0xad
[  279.877986]  ? lock_release+0xa00/0xa00
[  279.881954]  ? perf_trace_sched_process_exec+0x860/0x860
[  279.887402]  ? print_usage_bug+0xc0/0xc0
[  279.891458]  ? print_usage_bug+0xc0/0xc0
[  279.895527]  ? down_read+0x8d/0x120
[  279.899147]  ? ext4_filemap_fault+0x7a/0xad
[  279.903481]  ? __down_interruptible+0x700/0x700
[  279.908175]  ext4_filemap_fault+0x82/0xad
[  279.912325]  __do_fault+0x100/0x6b0
[  279.915994]  ? pmd_devmap_trans_unstable+0x220/0x220
[  279.921100]  ? mark_held_locks+0x130/0x130
[  279.925334]  ? mark_held_locks+0x130/0x130
[  279.929572]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  279.935110]  ? rcu_pm_notify+0xc0/0xc0
[  279.939002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.944544]  __handle_mm_fault+0x3ea0/0x5be0
[  279.948962]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  279.953803]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.958311]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.962916]  ? trace_hardirqs_on+0xbd/0x310
[  279.967255]  ? kasan_check_read+0x11/0x20
[  279.971405]  ? __set_current_blocked+0xdf/0x120
[  279.976107]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.981231]  ? zap_class+0x640/0x640
[  279.984948]  ? zap_class+0x640/0x640
[  279.988666]  ? find_held_lock+0x36/0x1c0
[  279.992744]  ? handle_mm_fault+0x42a/0xc70
[  279.997011]  ? lock_downgrade+0x900/0x900
[  280.001183]  ? check_preemption_disabled+0x48/0x280
[  280.006205]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.011140]  ? kasan_check_read+0x11/0x20
[  280.015294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.020574]  ? rcu_softirq_qs+0x20/0x20
[  280.024550]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.029659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.035204]  ? check_preemption_disabled+0x48/0x280
[  280.040233]  handle_mm_fault+0x54f/0xc70
[  280.044308]  ? __handle_mm_fault+0x5be0/0x5be0
[  280.048902]  ? find_vma+0x34/0x190
[  280.052450]  __do_page_fault+0x5e8/0xe60
[  280.056519]  ? exit_to_usermode_loop+0x1f4/0x380
[  280.061288]  do_page_fault+0xf2/0x7e0
[  280.065096]  ? vmalloc_sync_all+0x30/0x30
[  280.069249]  ? error_entry+0x70/0xd0
[  280.072965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.077993]  ? trace_hardirqs_on_caller+0xc0/0x310
[  280.082968]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.087919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.092791]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.097814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.103271]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.108303]  ? page_fault+0x8/0x30
[  280.111854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.116718]  ? page_fault+0x8/0x30
[  280.120260]  page_fault+0x1e/0x30
[  280.123727] RIP: 0033:0x45db60
[  280.126938] Code: Bad RIP value.
[  280.130298] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  280.135663] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  280.142933] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  280.150205] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  280.157495] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  280.164768] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  280.172116] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  280.172208] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.178363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.178373] Call Trace:
[  280.184993] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.194228]  <IRQ>
[  280.196802] syz-fuzzer cpuset=/ mems_allowed=0
[  280.207117]  dump_stack+0x244/0x39d
[  280.217450]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.222664]  warn_alloc.cold.116+0xb7/0x1bd
[  280.226994]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.231848]  ? lock_downgrade+0x900/0x900
[  280.236030]  ? trace_hardirqs_off+0xb8/0x310
[  280.240502]  ? trace_hardirqs_off+0xb8/0x310
[  280.244937]  __alloc_pages_slowpath+0x26e8/0x2e10
[  280.249826]  ? warn_alloc+0x120/0x120
[  280.253642]  ? print_usage_bug+0xc0/0xc0
[  280.257721]  ? warn_alloc+0x120/0x120
[  280.261529]  ? warn_alloc+0x120/0x120
[  280.265339]  ? print_usage_bug+0xc0/0xc0
[  280.269408]  ? print_usage_bug+0xc0/0xc0
[  280.273497]  ? __lock_acquire+0x62f/0x4c20
[  280.277757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.283300]  ? should_fail+0x22d/0xd01
[  280.287198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.292323]  ? __lock_acquire+0x62f/0x4c20
[  280.296572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.301715]  ? __lock_acquire+0x62f/0x4c20
[  280.305945]  ? should_fail+0x22d/0xd01
[  280.309831]  ? find_held_lock+0x36/0x1c0
[  280.313899]  ? mark_held_locks+0x130/0x130
[  280.318138]  ? mark_held_locks+0x130/0x130
[  280.322371]  ? zap_class+0x640/0x640
[  280.326086]  ? zap_class+0x640/0x640
[  280.329804]  ? print_usage_bug+0xc0/0xc0
[  280.333864]  ? do_raw_spin_unlock+0xa7/0x330
[  280.338280]  ? zap_class+0x640/0x640
[  280.342015]  ? print_usage_bug+0xc0/0xc0
[  280.346082]  ? wq_watchdog_touch+0x9c/0xfe
[  280.350341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.355883]  ? check_preemption_disabled+0x48/0x280
[  280.360909]  ? __lock_is_held+0xb5/0x140
[  280.364976]  __alloc_pages_nodemask+0xa80/0xde0
[  280.369648]  ? zap_class+0x640/0x640
[  280.373364]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.378405]  ? find_held_lock+0x36/0x1c0
[  280.382503]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.387173]  ? lock_downgrade+0x900/0x900
[  280.391349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.396921]  cache_grow_begin+0xa5/0x8c0
[  280.401022]  ? do_raw_spin_unlock+0xa7/0x330
[  280.405470]  fallback_alloc+0x204/0x2e0
[  280.409474]  ____cache_alloc_node+0x1c7/0x1e0
[  280.413981]  kmem_cache_alloc_node+0xe3/0x730
[  280.418485]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.422734]  __alloc_skb+0x119/0x770
[  280.426480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.431782]  ? netdev_alloc_frag+0x1f0/0x1f0
[  280.436190]  ? lock_downgrade+0x900/0x900
[  280.440362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.445905]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.451387]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.456847]  ? addrconf_rs_timer+0x690/0x690
[  280.461277]  ndisc_alloc_skb+0x144/0x340
[  280.465357]  ndisc_send_rs+0x331/0x6e0
[  280.469257]  addrconf_rs_timer+0x314/0x690
[  280.473504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.477754]  call_timer_fn+0x272/0x920
[  280.481646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.485901]  ? process_timeout+0x40/0x40
[  280.489990]  ? mark_held_locks+0xc7/0x130
[  280.494140]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.498634]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.503165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.507435]  ? lockdep_hardirqs_on+0x296/0x5b0
[  280.512020]  ? trace_hardirqs_on+0xbd/0x310
[  280.516355]  ? kasan_check_read+0x11/0x20
[  280.520505]  ? __run_timers+0x7da/0xc70
[  280.524519]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.529630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.533877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.538119]  __run_timers+0x7e5/0xc70
[  280.541931]  ? timer_fixup_init+0x70/0x70
[  280.546091]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.551111]  ? zap_class+0x640/0x640
[  280.554832]  ? print_usage_bug+0xc0/0xc0
[  280.559107]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.564314]  ? find_held_lock+0x36/0x1c0
[  280.568384]  ? zap_class+0x640/0x640
[  280.572123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.577666]  ? check_preemption_disabled+0x48/0x280
[  280.582699]  ? __lock_is_held+0xb5/0x140
[  280.586772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.592330]  ? check_preemption_disabled+0x48/0x280
[  280.597361]  run_timer_softirq+0x52/0xb0
[  280.601462]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.606497]  __do_softirq+0x308/0xb7e
[  280.610312]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.614828]  ? lock_downgrade+0x900/0x900
[  280.618985]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.624110]  ? pvclock_read_flags+0x160/0x160
[  280.628613]  ? lapic_next_event+0x5a/0x90
[  280.632768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.638320]  ? kvm_clock_read+0x18/0x30
[  280.642297]  ? kvm_sched_clock_read+0x9/0x20
[  280.646724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.652269]  ? check_preemption_disabled+0x48/0x280
[  280.657298]  irq_exit+0x17f/0x1c0
[  280.660794]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.665639]  ? smp_reschedule_interrupt+0x109/0x650
[  280.670665]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.676548]  ? interrupt_entry+0xb5/0xc0
[  280.680613]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.685622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.690766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.695609]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.700620]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.705635]  ? task_prio+0x50/0x50
[  280.709196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.714738]  ? check_preemption_disabled+0x48/0x280
[  280.719757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.724614]  apic_timer_interrupt+0xf/0x20
[  280.728838]  </IRQ>
[  280.731076] RIP: 0010:dump_stack+0x358/0x39d
[  280.735502] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  280.754403] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  280.762113] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  280.769375] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  280.776641] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  280.783905] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  280.791170] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  280.798453]  ? dump_stack+0x34f/0x39d
[  280.802266]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.807479]  ? mark_held_locks+0x130/0x130
[  280.811729]  ? mark_held_locks+0x130/0x130
[  280.815985]  dump_header+0x27b/0xf72
[  280.819719]  ? pagefault_out_of_memory+0x197/0x197
[  280.824658]  ? __lock_acquire+0x62f/0x4c20
[  280.828909]  ? percpu_ref_get_many+0x240/0x240
[  280.833491]  ? print_usage_bug+0xc0/0xc0
[  280.837583]  ? zap_class+0x640/0x640
[  280.841296]  ? print_usage_bug+0xc0/0xc0
[  280.845359]  ? print_usage_bug+0xc0/0xc0
[  280.849418]  ? zap_class+0x640/0x640
[  280.853135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.858675]  ? find_held_lock+0x36/0x1c0
[  280.862742]  ? mark_held_locks+0xc7/0x130
[  280.866901]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.872000]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.877117]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.881748]  ? trace_hardirqs_on+0xbd/0x310
[  280.886096]  ? kasan_check_read+0x11/0x20
[  280.890248]  ? ___ratelimit+0x3b4/0x672
[  280.894227]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.899330]  ? trace_hardirqs_on+0x310/0x310
[  280.903735]  ? lock_downgrade+0x900/0x900
[  280.907885]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.912987]  ? ___ratelimit+0x3b9/0x672
[  280.916982]  ? idr_get_free+0xf70/0xf70
[  280.920955]  ? find_held_lock+0x36/0x1c0
[  280.925048]  oom_kill_process.cold.27+0x10/0x903
[  280.929807]  ? zap_class+0x640/0x640
[  280.933531]  ? check_preemption_disabled+0x48/0x280
[  280.938552]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.943486]  ? kasan_check_read+0x11/0x20
[  280.947628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.952907]  ? oom_evaluate_task+0x540/0x540
[  280.957339]  ? find_held_lock+0x36/0x1c0
[  280.961418]  ? out_of_memory+0x974/0x1430
[  280.965572]  ? lock_downgrade+0x900/0x900
[  280.969722]  ? check_preemption_disabled+0x48/0x280
[  280.974767]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.979689]  ? kasan_check_read+0x11/0x20
[  280.983833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.989109]  ? rcu_softirq_qs+0x20/0x20
[  280.993089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.998640]  ? oom_evaluate_task+0x302/0x540
[  281.003065]  out_of_memory+0xa84/0x1430
[  281.007055]  ? oom_killer_disable+0x3a0/0x3a0
[  281.011554]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  281.016486]  ? __ww_mutex_check_waiters+0x160/0x160
[  281.021515]  __alloc_pages_slowpath+0x2354/0x2e10
[  281.026396]  ? warn_alloc+0x120/0x120
[  281.030194]  ? mark_held_locks+0x130/0x130
[  281.034434]  ? find_get_entry+0xaae/0x1120
[  281.038676]  ? filemap_map_pages+0x1a20/0x1a20
[  281.043259]  ? zap_class+0x640/0x640
[  281.046978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.052509]  ? check_preemption_disabled+0x48/0x280
[  281.057546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.063128]  ? should_fail+0x22d/0xd01
[  281.067021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.072143]  ? zap_class+0x640/0x640
[  281.075895]  ? __lock_is_held+0xb5/0x140
[  281.079964]  ? mark_held_locks+0x130/0x130
[  281.084201]  ? lock_release+0xa00/0xa00
[  281.088189]  ? perf_trace_sched_process_exec+0x860/0x860
[  281.093673]  ? xa_load+0x2ba/0x460
[  281.097212]  ? lock_downgrade+0x900/0x900
[  281.101378]  ? __might_sleep+0x95/0x190
[  281.105372]  __alloc_pages_nodemask+0xa80/0xde0
[  281.110056]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.115087]  ? __page_cache_alloc+0x191/0x5c0
[  281.119665]  ? xa_load+0x2e1/0x460
[  281.123262]  ? xa_clear_mark+0x40/0x40
[  281.127147]  ? zap_class+0x640/0x640
[  281.130864]  ? zap_class+0x640/0x640
[  281.134578]  ? zap_class+0x640/0x640
[  281.138310]  ? __do_page_cache_readahead+0x663/0x810
[  281.143421]  ? find_held_lock+0x36/0x1c0
[  281.147490]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  281.153048]  alloc_pages_current+0x173/0x350
[  281.157478]  __page_cache_alloc+0x38c/0x5c0
[  281.161799]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.166730]  ? kasan_check_read+0x11/0x20
[  281.170876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.176170]  ? generic_perform_write+0x6a0/0x6a0
[  281.180924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.186465]  ? check_preemption_disabled+0x48/0x280
[  281.191498]  filemap_fault+0x1595/0x25f0
[  281.195570]  ? __lock_page_or_retry+0xa00/0xa00
[  281.200239]  ? mark_held_locks+0x130/0x130
[  281.204498]  ? filemap_map_pages+0xd6b/0x1a20
[  281.208991]  ? lock_downgrade+0x900/0x900
[  281.213141]  ? check_preemption_disabled+0x48/0x280
[  281.218160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.223089]  ? kasan_check_read+0x11/0x20
[  281.227232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.232526]  ? rcu_softirq_qs+0x20/0x20
[  281.236519]  ? filemap_map_pages+0xd92/0x1a20
[  281.241024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.246580]  ? find_get_entries_tag+0x1400/0x1400
[  281.251428]  ? __lock_acquire+0x62f/0x4c20
[  281.255677]  ? lock_acquire+0x1ed/0x520
[  281.259652]  ? ext4_filemap_fault+0x7a/0xad
[  281.263982]  ? lock_release+0xa00/0xa00
[  281.267951]  ? perf_trace_sched_process_exec+0x860/0x860
[  281.273399]  ? print_usage_bug+0xc0/0xc0
[  281.277473]  ? print_usage_bug+0xc0/0xc0
[  281.281562]  ? down_read+0x8d/0x120
[  281.285186]  ? ext4_filemap_fault+0x7a/0xad
[  281.289532]  ? __down_interruptible+0x700/0x700
[  281.294208]  ext4_filemap_fault+0x82/0xad
[  281.298360]  __do_fault+0x100/0x6b0
[  281.301994]  ? pmd_devmap_trans_unstable+0x220/0x220
[  281.307150]  ? mark_held_locks+0x130/0x130
[  281.311381]  ? mark_held_locks+0x130/0x130
[  281.315608]  ? find_held_lock+0x36/0x1c0
[  281.319670]  ? find_held_lock+0x36/0x1c0
[  281.323732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.329287]  __handle_mm_fault+0x3ea0/0x5be0
[  281.333699]  ? poll_select_copy_remaining+0x18c/0x6a0
[  281.338909]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  281.343755]  ? __might_fault+0x12b/0x1e0
[  281.347816]  ? lock_downgrade+0x900/0x900
[  281.351976]  ? zap_class+0x640/0x640
[  281.355691]  ? zap_class+0x640/0x640
[  281.359413]  ? find_held_lock+0x36/0x1c0
[  281.363478]  ? handle_mm_fault+0x42a/0xc70
[  281.367710]  ? lock_downgrade+0x900/0x900
[  281.371858]  ? check_preemption_disabled+0x48/0x280
[  281.376873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.381829]  ? kasan_check_read+0x11/0x20
[  281.385990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.391319]  ? rcu_softirq_qs+0x20/0x20
[  281.395327]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.400457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.406062]  ? check_preemption_disabled+0x48/0x280
[  281.411107]  handle_mm_fault+0x54f/0xc70
[  281.415173]  ? __handle_mm_fault+0x5be0/0x5be0
[  281.419760]  ? find_vma+0x34/0x190
[  281.423312]  __do_page_fault+0x5e8/0xe60
[  281.427372]  ? trace_hardirqs_off+0xb8/0x310
[  281.431788]  do_page_fault+0xf2/0x7e0
[  281.435588]  ? vmalloc_sync_all+0x30/0x30
[  281.439732]  ? error_entry+0x70/0xd0
[  281.443444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.448477]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.453407]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.458350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.463195]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.468229]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.473684]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.478702]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.483747]  ? page_fault+0x8/0x30
[  281.487286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.492132]  ? page_fault+0x8/0x30
[  281.495668]  page_fault+0x1e/0x30
[  281.499116] RIP: 0033:0x7fafaecd0dd3
[  281.502856] Code: Bad RIP value.
[  281.506215] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  281.511574] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  281.518838] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  281.526103] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  281.533365] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  281.540626] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  281.547918] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  281.547923] warn_alloc_show_mem: 1 callbacks suppressed
[  281.547930] Mem-Info:
[  281.554943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.560321] active_anon:50685 inactive_anon:189 isolated_anon:0
[  281.560321]  active_file:14 inactive_file:14 isolated_file:0
[  281.560321]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.560321]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  281.560321]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  281.560321]  free:13759 free_pcp:552 free_cma:0
[  281.562676] Call Trace:
[  281.572070] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.605022]  <IRQ>
[  281.607596] 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
[  281.635004]  dump_stack+0x244/0x39d
[  281.637148] lowmem_reserve[]: 0 2818 6321 6321
[  281.663252]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.666880] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  281.671466]  warn_alloc.cold.116+0xb7/0x1bd
[  281.676618] lowmem_reserve[]: 0 0 3503 3503
[  281.704197]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.708493] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  281.712811]  ? lock_downgrade+0x900/0x900
[  281.717622] lowmem_reserve[]: 0 0 0 0
[  281.746688]  ? trace_hardirqs_off+0xb8/0x310
[  281.750814] 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
[  281.754615]  ? trace_hardirqs_off+0xb8/0x310
[  281.758988] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  281.772543]  __alloc_pages_slowpath+0x26e8/0x2e10
[  281.776930] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  281.792315]  ? warn_alloc+0x120/0x120
[  281.797124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.812222]  ? print_usage_bug+0xc0/0xc0
[  281.816006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.824841]  ? warn_alloc+0x120/0x120
[  281.828873] 272 total pagecache pages
[  281.837451]  ? warn_alloc+0x120/0x120
[  281.841228] 0 pages in swap cache
[  281.845019]  ? print_usage_bug+0xc0/0xc0
[  281.848807] Swap cache stats: add 0, delete 0, find 0/0
[  281.852271]  ? kvm_clock_read+0x18/0x30
[  281.856290] Free swap  = 0kB
[  281.856298] Total swap = 0kB
[  281.861678]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  281.865619] 1965979 pages RAM
[  281.868640]  ? print_usage_bug+0xc0/0xc0
[  281.871628] 0 pages HighMem/MovableOnly
[  281.876648]  ? __lock_acquire+0x62f/0x4c20
[  281.879721] 342853 pages reserved
[  281.883787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.887726] 0 pages cma reserved
[  281.891959]  ? should_fail+0x22d/0xd01
[  281.895469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.900927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.900948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.904430] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.908195]  ? __lock_acquire+0x62f/0x4c20
[  281.914662] init cpuset=/ mems_allowed=0
[  281.919943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.948130]  ? __lock_acquire+0x62f/0x4c20
[  281.952384]  ? should_fail+0x22d/0xd01
[  281.956281]  ? rcu_irq_exit+0x1a2/0x390
[  281.960282]  ? mark_held_locks+0x130/0x130
[  281.964546]  ? mark_held_locks+0x130/0x130
[  281.968813]  ? mark_held_locks+0xc7/0x130
[  281.972990]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  281.978014]  ? zap_class+0x640/0x640
[  281.981742]  ? print_usage_bug+0xc0/0xc0
[  281.985818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.991371]  ? check_preemption_disabled+0x48/0x280
[  281.996405]  ? __lock_is_held+0xb5/0x140
[  282.000484]  __alloc_pages_nodemask+0xa80/0xde0
[  282.005176]  ? zap_class+0x640/0x640
[  282.008902]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.013939]  ? find_held_lock+0x36/0x1c0
[  282.018066]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.022764]  ? lock_downgrade+0x900/0x900
[  282.026952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.032512]  cache_grow_begin+0xa5/0x8c0
[  282.036606]  ? do_raw_spin_unlock+0xa7/0x330
[  282.041024]  fallback_alloc+0x204/0x2e0
[  282.045019]  ____cache_alloc_node+0x1c7/0x1e0
[  282.049552]  kmem_cache_alloc_node+0xe3/0x730
[  282.054093]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.058360]  __alloc_skb+0x119/0x770
[  282.062092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.067406]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.071825]  ? lock_downgrade+0x900/0x900
[  282.075989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.081539]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.087018]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.092536]  ? addrconf_rs_timer+0x690/0x690
[  282.096967]  ndisc_alloc_skb+0x144/0x340
[  282.101052]  ndisc_send_rs+0x331/0x6e0
[  282.104952]  addrconf_rs_timer+0x314/0x690
[  282.109205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.113453]  call_timer_fn+0x272/0x920
[  282.117353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.121594]  ? process_timeout+0x40/0x40
[  282.125672]  ? mark_held_locks+0xc7/0x130
[  282.129832]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.134333]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.138830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.143083]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.147677]  ? trace_hardirqs_on+0xbd/0x310
[  282.152003]  ? kasan_check_read+0x11/0x20
[  282.156162]  ? __run_timers+0x7da/0xc70
[  282.160144]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.165262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.169514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.173788]  __run_timers+0x7e5/0xc70
[  282.177612]  ? timer_fixup_init+0x70/0x70
[  282.181768]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.186837]  ? zap_class+0x640/0x640
[  282.190557]  ? print_usage_bug+0xc0/0xc0
[  282.194625]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.199829]  ? find_held_lock+0x36/0x1c0
[  282.203916]  ? zap_class+0x640/0x640
[  282.207645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.213190]  ? check_preemption_disabled+0x48/0x280
[  282.218224]  ? __lock_is_held+0xb5/0x140
[  282.222293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.227844]  ? check_preemption_disabled+0x48/0x280
[  282.232875]  run_timer_softirq+0x52/0xb0
[  282.236944]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.241999]  __do_softirq+0x308/0xb7e
[  282.245805]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.250324]  ? lock_downgrade+0x900/0x900
[  282.254497]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.259616]  ? pvclock_read_flags+0x160/0x160
[  282.264124]  ? lapic_next_event+0x5a/0x90
[  282.268297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.273860]  ? kvm_clock_read+0x18/0x30
[  282.277842]  ? kvm_sched_clock_read+0x9/0x20
[  282.282266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.287817]  ? check_preemption_disabled+0x48/0x280
[  282.292852]  irq_exit+0x17f/0x1c0
[  282.296320]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.301186]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.307078]  ? interrupt_entry+0xb5/0xc0
[  282.311144]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.316165]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.321189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.326042]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.331071]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.336109]  ? task_prio+0x50/0x50
[  282.339653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.345198]  ? check_preemption_disabled+0x48/0x280
[  282.350227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.355104]  apic_timer_interrupt+0xf/0x20
[  282.359337]  </IRQ>
[  282.361579] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  282.366721] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  282.385655] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.393401] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  282.400683] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  282.407979] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  282.415265] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  282.422564] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  282.429894]  shrink_active_list+0x14eb/0x1f00
[  282.434439]  ? shrink_inactive_list+0x1c60/0x1c60
[  282.439294]  ? trace_hardirqs_on+0xbd/0x310
[  282.443619]  ? shrink_inactive_list+0xa4a/0x1c60
[  282.448410]  ? mark_held_locks+0x130/0x130
[  282.452648]  ? __lock_acquire+0x62f/0x4c20
[  282.456895]  ? print_usage_bug+0xc0/0xc0
[  282.460976]  ? mark_held_locks+0x130/0x130
[  282.465220]  ? mark_held_locks+0x130/0x130
[  282.469469]  ? print_usage_bug+0xc0/0xc0
[  282.473552]  ? __lock_acquire+0x62f/0x4c20
[  282.477811]  ? zap_class+0x640/0x640
[  282.481542]  ? zap_class+0x640/0x640
[  282.485266]  ? mark_held_locks+0x130/0x130
[  282.489505]  ? zap_class+0x640/0x640
[  282.493229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.498774]  ? check_preemption_disabled+0x48/0x280
[  282.503813]  ? __lock_is_held+0xb5/0x140
[  282.507892]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.512915]  ? inactive_list_is_low+0x305/0x880
[  282.517596]  ? lruvec_lru_size+0x450/0x450
[  282.521846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.527390]  ? lruvec_lru_size+0x2ab/0x450
[  282.531655]  ? percpu_ref_put_many+0x13e/0x260
[  282.536269]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  282.541205]  ? find_held_lock+0x36/0x1c0
[  282.545271]  shrink_node_memcg+0x803/0x18f0
[  282.549611]  ? shrink_active_list+0x1f00/0x1f00
[  282.554281]  ? lock_downgrade+0x900/0x900
[  282.558588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.563702]  ? cgroup_procs_write_finish+0xf0/0xf0
[  282.568637]  ? _raw_spin_unlock+0x2c/0x50
[  282.572790]  shrink_node+0x3bc/0x16b0
[  282.576598]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  282.581899]  ? shrink_node_memcg+0x18f0/0x18f0
[  282.586480]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  282.591071]  ? trace_hardirqs_on+0xbd/0x310
[  282.595408]  ? vmpressure+0x271/0x340
[  282.599207]  ? do_raw_spin_unlock+0xa7/0x330
[  282.603611]  ? do_raw_spin_trylock+0x270/0x270
[  282.608202]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.613739]  ? __cpuset_node_allowed+0x19b/0x660
[  282.618494]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  282.624205]  ? vmpressure+0x1a2/0x340
[  282.628013]  do_try_to_free_pages+0x3e7/0x1290
[  282.632596]  ? zap_class+0x640/0x640
[  282.636319]  ? shrink_node+0x16b0/0x16b0
[  282.640377]  ? __lock_is_held+0xb5/0x140
[  282.644627]  try_to_free_pages+0x4d0/0xb90
[  282.648867]  ? do_try_to_free_pages+0x1290/0x1290
[  282.653722]  ? lock_acquire+0x1ed/0x520
[  282.657691]  ? set_page_refcounted+0x280/0x280
[  282.662274]  ? lock_release+0xa00/0xa00
[  282.666248]  ? _raw_spin_unlock_irq+0x60/0x80
[  282.670742]  ? psi_memstall_enter+0x240/0x2b0
[  282.675235]  ? psi_memstall_tick+0x230/0x230
[  282.679650]  __alloc_pages_slowpath+0xa14/0x2e10
[  282.684480]  ? warn_alloc+0x120/0x120
[  282.688302]  ? mark_held_locks+0x130/0x130
[  282.693072]  ? find_get_entry+0xaae/0x1120
[  282.697317]  ? filemap_map_pages+0x1a20/0x1a20
[  282.701901]  ? zap_class+0x640/0x640
[  282.705707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.711244]  ? check_preemption_disabled+0x48/0x280
[  282.716273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.721827]  ? should_fail+0x22d/0xd01
[  282.725717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.730824]  ? zap_class+0x640/0x640
[  282.734558]  ? __lock_is_held+0xb5/0x140
[  282.738626]  ? mark_held_locks+0x130/0x130
[  282.742858]  ? lock_release+0xa00/0xa00
[  282.746842]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.752299]  ? xa_load+0x2ba/0x460
[  282.755840]  ? lock_downgrade+0x900/0x900
[  282.759991]  ? __might_sleep+0x95/0x190
[  282.763966]  __alloc_pages_nodemask+0xa80/0xde0
[  282.768636]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.773652]  ? __page_cache_alloc+0x191/0x5c0
[  282.778141]  ? xa_load+0x2e1/0x460
[  282.781680]  ? xa_clear_mark+0x40/0x40
[  282.785562]  ? zap_class+0x640/0x640
[  282.789281]  ? zap_class+0x640/0x640
[  282.792991]  ? zap_class+0x640/0x640
[  282.796706]  ? __do_page_cache_readahead+0x663/0x810
[  282.801816]  ? find_held_lock+0x36/0x1c0
[  282.805876]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  282.811415]  alloc_pages_current+0x173/0x350
[  282.815853]  __page_cache_alloc+0x38c/0x5c0
[  282.820214]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.825139]  ? kasan_check_read+0x11/0x20
[  282.829278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.834580]  ? generic_perform_write+0x6a0/0x6a0
[  282.839331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.844868]  ? check_preemption_disabled+0x48/0x280
[  282.849891]  filemap_fault+0x1595/0x25f0
[  282.853964]  ? __lock_page_or_retry+0xa00/0xa00
[  282.858635]  ? mark_held_locks+0x130/0x130
[  282.862888]  ? filemap_map_pages+0xd6b/0x1a20
[  282.867379]  ? lock_downgrade+0x900/0x900
[  282.871521]  ? check_preemption_disabled+0x48/0x280
[  282.876538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.881465]  ? kasan_check_read+0x11/0x20
[  282.885628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.890904]  ? rcu_softirq_qs+0x20/0x20
[  282.894889]  ? filemap_map_pages+0xd92/0x1a20
[  282.899397]  ? print_usage_bug+0xc0/0xc0
[  282.903488]  ? find_get_entries_tag+0x1400/0x1400
[  282.908371]  ? __kasan_slab_free+0x102/0x150
[  282.912773]  ? kasan_slab_free+0xe/0x10
[  282.916745]  ? kmem_cache_free+0x83/0x290
[  282.920896]  ? __sigqueue_free.part.29+0x74/0x90
[  282.925662]  ? lock_acquire+0x1ed/0x520
[  282.929632]  ? ext4_filemap_fault+0x7a/0xad
[  282.933956]  ? lock_release+0xa00/0xa00
[  282.937926]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.943378]  ? print_usage_bug+0xc0/0xc0
[  282.947453]  ? print_usage_bug+0xc0/0xc0
[  282.951519]  ? down_read+0x8d/0x120
[  282.955136]  ? ext4_filemap_fault+0x7a/0xad
[  282.959455]  ? __down_interruptible+0x700/0x700
[  282.964146]  ext4_filemap_fault+0x82/0xad
[  282.968294]  __do_fault+0x100/0x6b0
[  282.971951]  ? pmd_devmap_trans_unstable+0x220/0x220
[  282.977058]  ? mark_held_locks+0x130/0x130
[  282.981289]  ? mark_held_locks+0x130/0x130
[  282.985538]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  282.991076]  ? rcu_pm_notify+0xc0/0xc0
[  282.994970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.000503]  __handle_mm_fault+0x3ea0/0x5be0
[  283.004926]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  283.009758]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.014247]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.018830]  ? trace_hardirqs_on+0xbd/0x310
[  283.023148]  ? kasan_check_read+0x11/0x20
[  283.027307]  ? __set_current_blocked+0xdf/0x120
[  283.032005]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.037142]  ? zap_class+0x640/0x640
[  283.040853]  ? zap_class+0x640/0x640
[  283.044572]  ? find_held_lock+0x36/0x1c0
[  283.048638]  ? handle_mm_fault+0x42a/0xc70
[  283.052873]  ? lock_downgrade+0x900/0x900
[  283.057016]  ? check_preemption_disabled+0x48/0x280
[  283.062045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.066970]  ? kasan_check_read+0x11/0x20
[  283.071110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.076384]  ? rcu_softirq_qs+0x20/0x20
[  283.080351]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.085455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.090991]  ? check_preemption_disabled+0x48/0x280
[  283.096010]  handle_mm_fault+0x54f/0xc70
[  283.100080]  ? __handle_mm_fault+0x5be0/0x5be0
[  283.104668]  ? find_vma+0x34/0x190
[  283.108214]  __do_page_fault+0x5e8/0xe60
[  283.112279]  ? exit_to_usermode_loop+0x1f4/0x380
[  283.117078]  do_page_fault+0xf2/0x7e0
[  283.120879]  ? vmalloc_sync_all+0x30/0x30
[  283.125040]  ? error_entry+0x70/0xd0
[  283.128773]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.133791]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.138727]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.143656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.148673]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.153686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.159145]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.164163]  ? page_fault+0x8/0x30
[  283.167704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.172573]  ? page_fault+0x8/0x30
[  283.176142]  page_fault+0x1e/0x30
[  283.179619] RIP: 0033:0x45db60
[  283.182843] Code: Bad RIP value.
[  283.186232] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  283.191591] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  283.198871] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  283.206151] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  283.213417] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  283.220681] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  283.227969] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  283.228091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.234217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.234223] Call Trace:
[  283.234230]  <IRQ>
[  283.234249]  dump_stack+0x244/0x39d
[  283.234268]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.240802] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.250094]  warn_alloc.cold.116+0xb7/0x1bd
[  283.252643] syz-fuzzer cpuset=/ mems_allowed=0
[  283.254802]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.287485]  ? lock_downgrade+0x900/0x900
[  283.291641]  ? trace_hardirqs_off+0xb8/0x310
[  283.296064]  ? trace_hardirqs_off+0xb8/0x310
[  283.300484]  __alloc_pages_slowpath+0x26e8/0x2e10
[  283.305360]  ? warn_alloc+0x120/0x120
[  283.309170]  ? print_usage_bug+0xc0/0xc0
[  283.313234]  ? warn_alloc+0x120/0x120
[  283.317077]  ? warn_alloc+0x120/0x120
[  283.320877]  ? print_usage_bug+0xc0/0xc0
[  283.324934]  ? kvm_clock_read+0x18/0x30
[  283.328927]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.333970]  ? print_usage_bug+0xc0/0xc0
[  283.338030]  ? __lock_acquire+0x62f/0x4c20
[  283.342278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.347817]  ? should_fail+0x22d/0xd01
[  283.351704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.356987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.362092]  ? __lock_acquire+0x62f/0x4c20
[  283.366333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.371440]  ? __lock_acquire+0x62f/0x4c20
[  283.375678]  ? should_fail+0x22d/0xd01
[  283.379594]  ? rcu_irq_exit+0x1a2/0x390
[  283.383589]  ? mark_held_locks+0x130/0x130
[  283.387825]  ? mark_held_locks+0x130/0x130
[  283.392086]  ? mark_held_locks+0xc7/0x130
[  283.396241]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  283.401255]  ? zap_class+0x640/0x640
[  283.404976]  ? print_usage_bug+0xc0/0xc0
[  283.409046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.414588]  ? check_preemption_disabled+0x48/0x280
[  283.419635]  ? __lock_is_held+0xb5/0x140
[  283.423714]  __alloc_pages_nodemask+0xa80/0xde0
[  283.428379]  ? zap_class+0x640/0x640
[  283.432096]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.437121]  ? find_held_lock+0x36/0x1c0
[  283.441195]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.445866]  ? lock_downgrade+0x900/0x900
[  283.450016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.455563]  cache_grow_begin+0xa5/0x8c0
[  283.459626]  ? do_raw_spin_unlock+0xa7/0x330
[  283.464050]  fallback_alloc+0x204/0x2e0
[  283.468042]  ____cache_alloc_node+0x1c7/0x1e0
[  283.472545]  kmem_cache_alloc_node+0xe3/0x730
[  283.477053]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.481299]  __alloc_skb+0x119/0x770
[  283.485016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.490302]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.494713]  ? lock_downgrade+0x900/0x900
[  283.498907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.504445]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.509896]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.515389]  ? addrconf_rs_timer+0x690/0x690
[  283.519851]  ndisc_alloc_skb+0x144/0x340
[  283.523913]  ndisc_send_rs+0x331/0x6e0
[  283.527804]  addrconf_rs_timer+0x314/0x690
[  283.532049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.536295]  call_timer_fn+0x272/0x920
[  283.540191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.544424]  ? process_timeout+0x40/0x40
[  283.548492]  ? mark_held_locks+0xc7/0x130
[  283.552640]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.557135]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.561626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.565858]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.570446]  ? trace_hardirqs_on+0xbd/0x310
[  283.574768]  ? kasan_check_read+0x11/0x20
[  283.578918]  ? __run_timers+0x7da/0xc70
[  283.582892]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.587997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.592236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.596466]  __run_timers+0x7e5/0xc70
[  283.600274]  ? timer_fixup_init+0x70/0x70
[  283.604425]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.609442]  ? zap_class+0x640/0x640
[  283.613163]  ? print_usage_bug+0xc0/0xc0
[  283.617234]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  283.622428]  ? find_held_lock+0x36/0x1c0
[  283.626495]  ? zap_class+0x640/0x640
[  283.630219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.635757]  ? check_preemption_disabled+0x48/0x280
[  283.640796]  ? __lock_is_held+0xb5/0x140
[  283.644883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.650417]  ? check_preemption_disabled+0x48/0x280
[  283.655436]  run_timer_softirq+0x52/0xb0
[  283.659500]  ? rcu_read_lock_sched_held+0x14f/0x180
[  283.664515]  __do_softirq+0x308/0xb7e
[  283.668328]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  283.672824]  ? lock_downgrade+0x900/0x900
[  283.676988]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  283.682155]  ? pvclock_read_flags+0x160/0x160
[  283.686657]  ? lapic_next_event+0x5a/0x90
[  283.690805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.696351]  ? kvm_clock_read+0x18/0x30
[  283.700337]  ? kvm_sched_clock_read+0x9/0x20
[  283.704764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.710300]  ? check_preemption_disabled+0x48/0x280
[  283.715336]  irq_exit+0x17f/0x1c0
[  283.718793]  smp_apic_timer_interrupt+0x1cb/0x760
[  283.723652]  ? smp_reschedule_interrupt+0x109/0x650
[  283.728670]  ? smp_call_function_single_interrupt+0x650/0x650
[  283.734554]  ? interrupt_entry+0xb5/0xc0
[  283.738619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.743635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.748655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.753503]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.758516]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.763530]  ? task_prio+0x50/0x50
[  283.767070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.772606]  ? check_preemption_disabled+0x48/0x280
[  283.777619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.782461]  apic_timer_interrupt+0xf/0x20
[  283.786679]  </IRQ>
[  283.788914] RIP: 0010:dump_stack+0x358/0x39d
[  283.793327] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  283.812221] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  283.819922] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  283.827204] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  283.834471] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  283.841737] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  283.848998] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  283.856283]  ? dump_stack+0x34f/0x39d
[  283.860116]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.865318]  ? mark_held_locks+0x130/0x130
[  283.869553]  ? mark_held_locks+0x130/0x130
[  283.873803]  dump_header+0x27b/0xf72
[  283.877530]  ? pagefault_out_of_memory+0x197/0x197
[  283.882471]  ? __lock_acquire+0x62f/0x4c20
[  283.886745]  ? percpu_ref_get_many+0x240/0x240
[  283.891334]  ? print_usage_bug+0xc0/0xc0
[  283.895400]  ? zap_class+0x640/0x640
[  283.899110]  ? print_usage_bug+0xc0/0xc0
[  283.903166]  ? print_usage_bug+0xc0/0xc0
[  283.907223]  ? zap_class+0x640/0x640
[  283.910933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.916473]  ? find_held_lock+0x36/0x1c0
[  283.920542]  ? mark_held_locks+0xc7/0x130
[  283.924687]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.929791]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.934929]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.939525]  ? trace_hardirqs_on+0xbd/0x310
[  283.943840]  ? kasan_check_read+0x11/0x20
[  283.947980]  ? ___ratelimit+0x3b4/0x672
[  283.951949]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.957053]  ? trace_hardirqs_on+0x310/0x310
[  283.961477]  ? lock_downgrade+0x900/0x900
[  283.965629]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.970730]  ? ___ratelimit+0x3b9/0x672
[  283.974723]  ? idr_get_free+0xf70/0xf70
[  283.978724]  ? find_held_lock+0x36/0x1c0
[  283.982791]  oom_kill_process.cold.27+0x10/0x903
[  283.987557]  ? zap_class+0x640/0x640
[  283.991266]  ? check_preemption_disabled+0x48/0x280
[  283.996275]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.001200]  ? kasan_check_read+0x11/0x20
[  284.005478]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.010770]  ? oom_evaluate_task+0x540/0x540
[  284.015231]  ? find_held_lock+0x36/0x1c0
[  284.019301]  ? out_of_memory+0x974/0x1430
[  284.023464]  ? lock_downgrade+0x900/0x900
[  284.027624]  ? check_preemption_disabled+0x48/0x280
[  284.032659]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.037600]  ? kasan_check_read+0x11/0x20
[  284.041744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.047017]  ? rcu_softirq_qs+0x20/0x20
[  284.051013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.056562]  ? oom_evaluate_task+0x302/0x540
[  284.060983]  out_of_memory+0xa84/0x1430
[  284.064961]  ? oom_killer_disable+0x3a0/0x3a0
[  284.069483]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  284.074410]  ? __ww_mutex_check_waiters+0x160/0x160
[  284.079433]  __alloc_pages_slowpath+0x2354/0x2e10
[  284.084297]  ? warn_alloc+0x120/0x120
[  284.088103]  ? mark_held_locks+0x130/0x130
[  284.092355]  ? find_get_entry+0xaae/0x1120
[  284.096599]  ? filemap_map_pages+0x1a20/0x1a20
[  284.101181]  ? zap_class+0x640/0x640
[  284.104908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.110457]  ? check_preemption_disabled+0x48/0x280
[  284.115492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.121052]  ? should_fail+0x22d/0xd01
[  284.124952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.130061]  ? zap_class+0x640/0x640
[  284.133807]  ? __lock_is_held+0xb5/0x140
[  284.137869]  ? mark_held_locks+0x130/0x130
[  284.142104]  ? lock_release+0xa00/0xa00
[  284.146081]  ? perf_trace_sched_process_exec+0x860/0x860
[  284.151530]  ? xa_load+0x2ba/0x460
[  284.155087]  ? lock_downgrade+0x900/0x900
[  284.159239]  ? __might_sleep+0x95/0x190
[  284.163220]  __alloc_pages_nodemask+0xa80/0xde0
[  284.167898]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  284.172916]  ? __page_cache_alloc+0x191/0x5c0
[  284.177412]  ? xa_load+0x2e1/0x460
[  284.180954]  ? xa_clear_mark+0x40/0x40
[  284.184839]  ? zap_class+0x640/0x640
[  284.188572]  ? zap_class+0x640/0x640
[  284.192302]  ? zap_class+0x640/0x640
[  284.196022]  ? __do_page_cache_readahead+0x663/0x810
[  284.201156]  ? find_held_lock+0x36/0x1c0
[  284.205230]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  284.210775]  alloc_pages_current+0x173/0x350
[  284.215187]  __page_cache_alloc+0x38c/0x5c0
[  284.219501]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.224432]  ? kasan_check_read+0x11/0x20
[  284.228578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.233857]  ? generic_perform_write+0x6a0/0x6a0
[  284.238610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.244165]  ? check_preemption_disabled+0x48/0x280
[  284.249188]  filemap_fault+0x1595/0x25f0
[  284.253264]  ? __lock_page_or_retry+0xa00/0xa00
[  284.257936]  ? mark_held_locks+0x130/0x130
[  284.262178]  ? filemap_map_pages+0xd6b/0x1a20
[  284.266670]  ? lock_downgrade+0x900/0x900
[  284.270818]  ? check_preemption_disabled+0x48/0x280
[  284.275837]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.280873]  ? kasan_check_read+0x11/0x20
[  284.285022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.290315]  ? rcu_softirq_qs+0x20/0x20
[  284.294330]  ? filemap_map_pages+0xd92/0x1a20
[  284.298856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.304398]  ? find_get_entries_tag+0x1400/0x1400
[  284.309246]  ? __lock_acquire+0x62f/0x4c20
[  284.313502]  ? lock_acquire+0x1ed/0x520
[  284.317471]  ? ext4_filemap_fault+0x7a/0xad
[  284.321811]  ? lock_release+0xa00/0xa00
[  284.325783]  ? perf_trace_sched_process_exec+0x860/0x860
[  284.331230]  ? print_usage_bug+0xc0/0xc0
[  284.335295]  ? print_usage_bug+0xc0/0xc0
[  284.339384]  ? down_read+0x8d/0x120
[  284.343004]  ? ext4_filemap_fault+0x7a/0xad
[  284.347334]  ? __down_interruptible+0x700/0x700
[  284.352003]  ext4_filemap_fault+0x82/0xad
[  284.356148]  __do_fault+0x100/0x6b0
[  284.359788]  ? pmd_devmap_trans_unstable+0x220/0x220
[  284.364888]  ? mark_held_locks+0x130/0x130
[  284.369116]  ? mark_held_locks+0x130/0x130
[  284.373342]  ? find_held_lock+0x36/0x1c0
[  284.377406]  ? find_held_lock+0x36/0x1c0
[  284.381476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.387014]  __handle_mm_fault+0x3ea0/0x5be0
[  284.391454]  ? poll_select_copy_remaining+0x18c/0x6a0
[  284.396646]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  284.401489]  ? __might_fault+0x12b/0x1e0
[  284.405561]  ? lock_downgrade+0x900/0x900
[  284.409715]  ? zap_class+0x640/0x640
[  284.413426]  ? zap_class+0x640/0x640
[  284.417158]  ? find_held_lock+0x36/0x1c0
[  284.421224]  ? handle_mm_fault+0x42a/0xc70
[  284.425453]  ? lock_downgrade+0x900/0x900
[  284.429601]  ? check_preemption_disabled+0x48/0x280
[  284.434652]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  284.439576]  ? kasan_check_read+0x11/0x20
[  284.443721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.448992]  ? rcu_softirq_qs+0x20/0x20
[  284.452960]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.458065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.463629]  ? check_preemption_disabled+0x48/0x280
[  284.468649]  handle_mm_fault+0x54f/0xc70
[  284.472714]  ? __handle_mm_fault+0x5be0/0x5be0
[  284.477300]  ? find_vma+0x34/0x190
[  284.480847]  __do_page_fault+0x5e8/0xe60
[  284.484907]  ? trace_hardirqs_off+0xb8/0x310
[  284.489326]  do_page_fault+0xf2/0x7e0
[  284.493137]  ? vmalloc_sync_all+0x30/0x30
[  284.497279]  ? error_entry+0x70/0xd0
[  284.500990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.506017]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.510952]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.515877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.520712]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.525724]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.531166]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.536182]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.541203]  ? page_fault+0x8/0x30
[  284.544757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.549600]  ? page_fault+0x8/0x30
[  284.553140]  page_fault+0x1e/0x30
[  284.556593] RIP: 0033:0x7fafaecd0dd3
[  284.560508] Code: Bad RIP value.
[  284.563864] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  284.569219] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  284.576478] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  284.583738] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  284.591000] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  284.598260] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  284.605597] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  284.605617] warn_alloc_show_mem: 1 callbacks suppressed
[  284.605624] Mem-Info:
[  284.612636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.618005] active_anon:50685 inactive_anon:189 isolated_anon:0
[  284.618005]  active_file:14 inactive_file:14 isolated_file:0
[  284.618005]  unevictable:0 dirty:0 writeback:0 unstable:0
[  284.618005]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  284.618005]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  284.618005]  free:13759 free_pcp:552 free_cma:0
[  284.620372] Call Trace:
[  284.629759] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  284.662615]  <IRQ>
[  284.665185] 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
[  284.693072]  dump_stack+0x244/0x39d
[  284.695197] lowmem_reserve[]: 0 2818 6321 6321
[  284.721346]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.724944] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  284.729528]  warn_alloc.cold.116+0xb7/0x1bd
[  284.734697] lowmem_reserve[]: 0 0 3503 3503
[  284.762321]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.766623] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  284.770944]  ? lock_downgrade+0x900/0x900
[  284.775767] lowmem_reserve[]: 0 0 0 0
[  284.804856]  ? trace_hardirqs_off+0xb8/0x310
[  284.808981] 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
[  284.812784]  ? trace_hardirqs_off+0xb8/0x310
[  284.817155] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  284.830697]  __alloc_pages_slowpath+0x26e8/0x2e10
[  284.835083] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  284.850479]  ? warn_alloc+0x120/0x120
[  284.855292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.870384]  ? print_usage_bug+0xc0/0xc0
[  284.874166] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.883031]  ? warn_alloc+0x120/0x120
[  284.887075] 272 total pagecache pages
[  284.895675]  ? warn_alloc+0x120/0x120
[  284.899456] 0 pages in swap cache
[  284.903246]  ? print_usage_bug+0xc0/0xc0
[  284.907014] Swap cache stats: add 0, delete 0, find 0/0
[  284.910481]  ? print_usage_bug+0xc0/0xc0
[  284.914521] Free swap  = 0kB
[  284.919899]  ? __lock_acquire+0x62f/0x4c20
[  284.923930] Total swap = 0kB
[  284.926946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.931156] 1965979 pages RAM
[  284.934172]  ? should_fail+0x22d/0xd01
[  284.939682] 0 pages HighMem/MovableOnly
[  284.942785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.946658] 342853 pages reserved
[  284.950627]  ? __lock_acquire+0x62f/0x4c20
[  284.955703] 0 pages cma reserved
[  284.959160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.963439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.966741]  ? __lock_acquire+0x62f/0x4c20
[  284.966775]  ? should_fail+0x22d/0xd01
[  284.971986] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.978348]  ? find_held_lock+0x36/0x1c0
[  284.982563] init cpuset=/ mems_allowed=0
[  284.986456]  ? mark_held_locks+0x130/0x130
[  285.008490]  ? mark_held_locks+0x130/0x130
[  285.012727]  ? zap_class+0x640/0x640
[  285.016461]  ? zap_class+0x640/0x640
[  285.020180]  ? print_usage_bug+0xc0/0xc0
[  285.024250]  ? do_raw_spin_unlock+0xa7/0x330
[  285.028668]  ? zap_class+0x640/0x640
[  285.032387]  ? print_usage_bug+0xc0/0xc0
[  285.036449]  ? wq_watchdog_touch+0x9c/0xfe
[  285.040694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.046246]  ? check_preemption_disabled+0x48/0x280
[  285.051294]  ? __lock_is_held+0xb5/0x140
[  285.055385]  __alloc_pages_nodemask+0xa80/0xde0
[  285.060070]  ? zap_class+0x640/0x640
[  285.063793]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.068866]  ? find_held_lock+0x36/0x1c0
[  285.072943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.077621]  ? lock_downgrade+0x900/0x900
[  285.081780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.087346]  cache_grow_begin+0xa5/0x8c0
[  285.091432]  ? do_raw_spin_unlock+0xa7/0x330
[  285.095877]  fallback_alloc+0x204/0x2e0
[  285.099872]  ____cache_alloc_node+0x1c7/0x1e0
[  285.104376]  kmem_cache_alloc_node+0xe3/0x730
[  285.108878]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.113129]  __alloc_skb+0x119/0x770
[  285.116849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.122138]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.126566]  ? lock_downgrade+0x900/0x900
[  285.130734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.136294]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.141758]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.147219]  ? addrconf_rs_timer+0x690/0x690
[  285.151662]  ndisc_alloc_skb+0x144/0x340
[  285.155749]  ndisc_send_rs+0x331/0x6e0
[  285.159681]  addrconf_rs_timer+0x314/0x690
[  285.163932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.168183]  call_timer_fn+0x272/0x920
[  285.172084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.176328]  ? process_timeout+0x40/0x40
[  285.180408]  ? mark_held_locks+0xc7/0x130
[  285.184563]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.189069]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.193574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.197825]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.202429]  ? trace_hardirqs_on+0xbd/0x310
[  285.206755]  ? kasan_check_read+0x11/0x20
[  285.210923]  ? __run_timers+0x7da/0xc70
[  285.214901]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.220020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.224266]  __run_timers+0x7e5/0xc70
[  285.228088]  ? timer_fixup_init+0x70/0x70
[  285.232241]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.237264]  ? zap_class+0x640/0x640
[  285.240983]  ? print_usage_bug+0xc0/0xc0
[  285.245059]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.250258]  ? find_held_lock+0x36/0x1c0
[  285.254346]  ? zap_class+0x640/0x640
[  285.258100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.263645]  ? check_preemption_disabled+0x48/0x280
[  285.268677]  ? __lock_is_held+0xb5/0x140
[  285.272744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.278289]  ? check_preemption_disabled+0x48/0x280
[  285.283344]  run_timer_softirq+0x52/0xb0
[  285.287446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.292484]  __do_softirq+0x308/0xb7e
[  285.296299]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  285.300814]  ? lock_downgrade+0x900/0x900
[  285.304977]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.310096]  ? pvclock_read_flags+0x160/0x160
[  285.314595]  ? lapic_next_event+0x5a/0x90
[  285.318749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.324299]  ? kvm_clock_read+0x18/0x30
[  285.328280]  ? kvm_sched_clock_read+0x9/0x20
[  285.332734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.338316]  ? check_preemption_disabled+0x48/0x280
[  285.343347]  irq_exit+0x17f/0x1c0
[  285.346827]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.351676]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.357565]  ? interrupt_entry+0xb5/0xc0
[  285.361635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.366685]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.371710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.376556]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.381574]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.386595]  ? task_prio+0x50/0x50
[  285.390148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.395693]  ? check_preemption_disabled+0x48/0x280
[  285.400723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.405582]  apic_timer_interrupt+0xf/0x20
[  285.409820]  </IRQ>
[  285.412085] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  285.417191] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  285.436153] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  285.443874] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  285.451149] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  285.458426] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  285.465725] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  285.473016] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  285.480340]  shrink_active_list+0x14eb/0x1f00
[  285.484886]  ? shrink_inactive_list+0x1c60/0x1c60
[  285.489747]  ? trace_hardirqs_on+0xbd/0x310
[  285.494101]  ? shrink_inactive_list+0xa4a/0x1c60
[  285.498877]  ? mark_held_locks+0x130/0x130
[  285.503115]  ? __lock_acquire+0x62f/0x4c20
[  285.507386]  ? print_usage_bug+0xc0/0xc0
[  285.511459]  ? mark_held_locks+0x130/0x130
[  285.515703]  ? mark_held_locks+0x130/0x130
[  285.519949]  ? print_usage_bug+0xc0/0xc0
[  285.524021]  ? __lock_acquire+0x62f/0x4c20
[  285.528268]  ? zap_class+0x640/0x640
[  285.531986]  ? zap_class+0x640/0x640
[  285.535724]  ? mark_held_locks+0x130/0x130
[  285.539961]  ? zap_class+0x640/0x640
[  285.543688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.549230]  ? check_preemption_disabled+0x48/0x280
[  285.554263]  ? __lock_is_held+0xb5/0x140
[  285.558346]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.563368]  ? inactive_list_is_low+0x305/0x880
[  285.568057]  ? lruvec_lru_size+0x450/0x450
[  285.572305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.577848]  ? lruvec_lru_size+0x2ab/0x450
[  285.582086]  ? percpu_ref_put_many+0x13e/0x260
[  285.586680]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  285.591619]  ? find_held_lock+0x36/0x1c0
[  285.595699]  shrink_node_memcg+0x803/0x18f0
[  285.600066]  ? shrink_active_list+0x1f00/0x1f00
[  285.604761]  ? lock_downgrade+0x900/0x900
[  285.608919]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.614041]  ? cgroup_procs_write_finish+0xf0/0xf0
[  285.619006]  ? _raw_spin_unlock+0x2c/0x50
[  285.623178]  shrink_node+0x3bc/0x16b0
[  285.626987]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  285.632306]  ? shrink_node_memcg+0x18f0/0x18f0
[  285.636907]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.641520]  ? trace_hardirqs_on+0xbd/0x310
[  285.645846]  ? vmpressure+0x271/0x340
[  285.649664]  ? do_raw_spin_unlock+0xa7/0x330
[  285.654074]  ? do_raw_spin_trylock+0x270/0x270
[  285.658671]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  285.664228]  ? __cpuset_node_allowed+0x19b/0x660
[  285.669028]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  285.674791]  ? vmpressure+0x1a2/0x340
[  285.678618]  do_try_to_free_pages+0x3e7/0x1290
[  285.683200]  ? zap_class+0x640/0x640
[  285.686932]  ? shrink_node+0x16b0/0x16b0
[  285.690997]  ? __lock_is_held+0xb5/0x140
[  285.695075]  try_to_free_pages+0x4d0/0xb90
[  285.699348]  ? do_try_to_free_pages+0x1290/0x1290
[  285.704213]  ? lock_acquire+0x1ed/0x520
[  285.708185]  ? set_page_refcounted+0x280/0x280
[  285.712771]  ? lock_release+0xa00/0xa00
[  285.716743]  ? _raw_spin_unlock_irq+0x60/0x80
[  285.721232]  ? psi_memstall_enter+0x240/0x2b0
[  285.725732]  ? psi_memstall_tick+0x230/0x230
[  285.730151]  __alloc_pages_slowpath+0xa14/0x2e10
[  285.734929]  ? warn_alloc+0x120/0x120
[  285.738732]  ? mark_held_locks+0x130/0x130
[  285.742971]  ? find_get_entry+0xaae/0x1120
[  285.747227]  ? filemap_map_pages+0x1a20/0x1a20
[  285.751820]  ? zap_class+0x640/0x640
[  285.755557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.761097]  ? check_preemption_disabled+0x48/0x280
[  285.766114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.771650]  ? should_fail+0x22d/0xd01
[  285.775541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.780642]  ? zap_class+0x640/0x640
[  285.784387]  ? __lock_is_held+0xb5/0x140
[  285.788453]  ? mark_held_locks+0x130/0x130
[  285.792692]  ? lock_release+0xa00/0xa00
[  285.796665]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.802134]  ? xa_load+0x2ba/0x460
[  285.805670]  ? lock_downgrade+0x900/0x900
[  285.809827]  ? __might_sleep+0x95/0x190
[  285.813811]  __alloc_pages_nodemask+0xa80/0xde0
[  285.818487]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.823503]  ? __page_cache_alloc+0x191/0x5c0
[  285.827996]  ? xa_load+0x2e1/0x460
[  285.831536]  ? xa_clear_mark+0x40/0x40
[  285.835426]  ? zap_class+0x640/0x640
[  285.839146]  ? zap_class+0x640/0x640
[  285.842860]  ? zap_class+0x640/0x640
[  285.846570]  ? __do_page_cache_readahead+0x663/0x810
[  285.851671]  ? find_held_lock+0x36/0x1c0
[  285.855744]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  285.861299]  alloc_pages_current+0x173/0x350
[  285.865713]  __page_cache_alloc+0x38c/0x5c0
[  285.870029]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.874968]  ? kasan_check_read+0x11/0x20
[  285.879109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.884484]  ? generic_perform_write+0x6a0/0x6a0
[  285.889239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.894775]  ? check_preemption_disabled+0x48/0x280
[  285.899803]  filemap_fault+0x1595/0x25f0
[  285.903884]  ? __lock_page_or_retry+0xa00/0xa00
[  285.908554]  ? mark_held_locks+0x130/0x130
[  285.912795]  ? filemap_map_pages+0xd6b/0x1a20
[  285.917290]  ? lock_downgrade+0x900/0x900
[  285.921450]  ? check_preemption_disabled+0x48/0x280
[  285.926466]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.931395]  ? kasan_check_read+0x11/0x20
[  285.935540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.940822]  ? rcu_softirq_qs+0x20/0x20
[  285.944813]  ? filemap_map_pages+0xd92/0x1a20
[  285.949313]  ? print_usage_bug+0xc0/0xc0
[  285.953380]  ? find_get_entries_tag+0x1400/0x1400
[  285.958231]  ? __kasan_slab_free+0x102/0x150
[  285.962636]  ? kasan_slab_free+0xe/0x10
[  285.966612]  ? kmem_cache_free+0x83/0x290
[  285.970764]  ? __sigqueue_free.part.29+0x74/0x90
[  285.975537]  ? lock_acquire+0x1ed/0x520
[  285.979511]  ? ext4_filemap_fault+0x7a/0xad
[  285.983840]  ? lock_release+0xa00/0xa00
[  285.987819]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.993267]  ? print_usage_bug+0xc0/0xc0
[  285.997332]  ? print_usage_bug+0xc0/0xc0
[  286.001446]  ? down_read+0x8d/0x120
[  286.005071]  ? ext4_filemap_fault+0x7a/0xad
[  286.009395]  ? __down_interruptible+0x700/0x700
[  286.014087]  ext4_filemap_fault+0x82/0xad
[  286.018238]  __do_fault+0x100/0x6b0
[  286.021863]  ? pmd_devmap_trans_unstable+0x220/0x220
[  286.026984]  ? mark_held_locks+0x130/0x130
[  286.031234]  ? mark_held_locks+0x130/0x130
[  286.035509]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  286.041050]  ? rcu_pm_notify+0xc0/0xc0
[  286.044945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.050482]  __handle_mm_fault+0x3ea0/0x5be0
[  286.054894]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  286.059736]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.064228]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.068825]  ? trace_hardirqs_on+0xbd/0x310
[  286.073146]  ? kasan_check_read+0x11/0x20
[  286.077293]  ? __set_current_blocked+0xdf/0x120
[  286.081958]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.087072]  ? zap_class+0x640/0x640
[  286.090814]  ? zap_class+0x640/0x640
[  286.094528]  ? find_held_lock+0x36/0x1c0
[  286.098646]  ? handle_mm_fault+0x42a/0xc70
[  286.102886]  ? lock_downgrade+0x900/0x900
[  286.107042]  ? check_preemption_disabled+0x48/0x280
[  286.112069]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.117007]  ? kasan_check_read+0x11/0x20
[  286.121158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.126449]  ? rcu_softirq_qs+0x20/0x20
[  286.130440]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.135577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.141112]  ? check_preemption_disabled+0x48/0x280
[  286.146136]  handle_mm_fault+0x54f/0xc70
[  286.150202]  ? __handle_mm_fault+0x5be0/0x5be0
[  286.154786]  ? find_vma+0x34/0x190
[  286.158334]  __do_page_fault+0x5e8/0xe60
[  286.162396]  ? exit_to_usermode_loop+0x1f4/0x380
[  286.167156]  do_page_fault+0xf2/0x7e0
[  286.170960]  ? vmalloc_sync_all+0x30/0x30
[  286.175106]  ? error_entry+0x70/0xd0
[  286.178822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.183835]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.188759]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.193736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.198578]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.203593]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.209095]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.214109]  ? page_fault+0x8/0x30
[  286.217680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.222520]  ? page_fault+0x8/0x30
[  286.226069]  page_fault+0x1e/0x30
[  286.229522] RIP: 0033:0x45db60
[  286.232756] Code: Bad RIP value.
[  286.236112] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  286.241488] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  286.248751] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  286.256014] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  286.263316] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  286.270585] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  286.277877] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  286.277960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.284108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.284113] Call Trace:
[  286.284120]  <IRQ>
[  286.284139]  dump_stack+0x244/0x39d
[  286.284157]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.290692] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.300083]  warn_alloc.cold.116+0xb7/0x1bd
[  286.302635] syz-fuzzer cpuset=/ mems_allowed=0
[  286.304782]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.337518]  ? lock_downgrade+0x900/0x900
[  286.341716]  ? trace_hardirqs_off+0xb8/0x310
[  286.346130]  ? trace_hardirqs_off+0xb8/0x310
[  286.350554]  __alloc_pages_slowpath+0x26e8/0x2e10
[  286.355428]  ? warn_alloc+0x120/0x120
[  286.359235]  ? print_usage_bug+0xc0/0xc0
[  286.363296]  ? warn_alloc+0x120/0x120
[  286.367116]  ? warn_alloc+0x120/0x120
[  286.370915]  ? print_usage_bug+0xc0/0xc0
[  286.374975]  ? kvm_clock_read+0x18/0x30
[  286.378946]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  286.383963]  ? print_usage_bug+0xc0/0xc0
[  286.388079]  ? __lock_acquire+0x62f/0x4c20
[  286.392343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.397882]  ? should_fail+0x22d/0xd01
[  286.401766]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.407054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.412160]  ? __lock_acquire+0x62f/0x4c20
[  286.416398]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.421497]  ? __lock_acquire+0x62f/0x4c20
[  286.425725]  ? should_fail+0x22d/0xd01
[  286.429625]  ? rcu_irq_exit+0x1a2/0x390
[  286.433607]  ? mark_held_locks+0x130/0x130
[  286.437847]  ? mark_held_locks+0x130/0x130
[  286.442087]  ? mark_held_locks+0xc7/0x130
[  286.446238]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  286.451255]  ? zap_class+0x640/0x640
[  286.454968]  ? print_usage_bug+0xc0/0xc0
[  286.459048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.464617]  ? check_preemption_disabled+0x48/0x280
[  286.469638]  ? __lock_is_held+0xb5/0x140
[  286.473707]  __alloc_pages_nodemask+0xa80/0xde0
[  286.478375]  ? zap_class+0x640/0x640
[  286.482093]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.487122]  ? find_held_lock+0x36/0x1c0
[  286.491191]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.495862]  ? lock_downgrade+0x900/0x900
[  286.500013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.505562]  cache_grow_begin+0xa5/0x8c0
[  286.509620]  ? do_raw_spin_unlock+0xa7/0x330
[  286.514040]  fallback_alloc+0x204/0x2e0
[  286.518027]  ____cache_alloc_node+0x1c7/0x1e0
[  286.522538]  kmem_cache_alloc_node+0xe3/0x730
[  286.527043]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.531291]  __alloc_skb+0x119/0x770
[  286.535018]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.540331]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.544739]  ? lock_downgrade+0x900/0x900
[  286.548897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.554435]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.560139]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.565622]  ? addrconf_rs_timer+0x690/0x690
[  286.570050]  ndisc_alloc_skb+0x144/0x340
[  286.574115]  ndisc_send_rs+0x331/0x6e0
[  286.578004]  addrconf_rs_timer+0x314/0x690
[  286.582250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.586504]  call_timer_fn+0x272/0x920
[  286.590387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.594620]  ? process_timeout+0x40/0x40
[  286.598694]  ? mark_held_locks+0xc7/0x130
[  286.602844]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.607344]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.611836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.616073]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.620661]  ? trace_hardirqs_on+0xbd/0x310
[  286.624983]  ? kasan_check_read+0x11/0x20
[  286.629127]  ? __run_timers+0x7da/0xc70
[  286.633106]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.638212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.642456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.646693]  __run_timers+0x7e5/0xc70
[  286.650507]  ? timer_fixup_init+0x70/0x70
[  286.654659]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.659674]  ? zap_class+0x640/0x640
[  286.663404]  ? print_usage_bug+0xc0/0xc0
[  286.667483]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  286.672680]  ? find_held_lock+0x36/0x1c0
[  286.676746]  ? zap_class+0x640/0x640
[  286.680481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.686017]  ? check_preemption_disabled+0x48/0x280
[  286.691226]  ? __lock_is_held+0xb5/0x140
[  286.695289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.700834]  ? check_preemption_disabled+0x48/0x280
[  286.705854]  run_timer_softirq+0x52/0xb0
[  286.709915]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.714934]  __do_softirq+0x308/0xb7e
[  286.718737]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  286.723237]  ? lock_downgrade+0x900/0x900
[  286.727406]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.732516]  ? pvclock_read_flags+0x160/0x160
[  286.737041]  ? lapic_next_event+0x5a/0x90
[  286.741196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.746739]  ? kvm_clock_read+0x18/0x30
[  286.750708]  ? kvm_sched_clock_read+0x9/0x20
[  286.755113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.760659]  ? check_preemption_disabled+0x48/0x280
[  286.765710]  irq_exit+0x17f/0x1c0
[  286.769164]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.774006]  ? smp_reschedule_interrupt+0x109/0x650
[  286.779026]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.784945]  ? interrupt_entry+0xb5/0xc0
[  286.789069]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.794099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.799115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.803956]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.808984]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.813997]  ? task_prio+0x50/0x50
[  286.817548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.823118]  ? check_preemption_disabled+0x48/0x280
[  286.828158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.833004]  apic_timer_interrupt+0xf/0x20
[  286.837238]  </IRQ>
[  286.839476] RIP: 0010:dump_stack+0x358/0x39d
[  286.843886] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  286.862785] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  286.870503] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  286.877786] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  286.885054] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  286.892325] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  286.899590] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  286.906872]  ? dump_stack+0x34f/0x39d
[  286.910685]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.915875]  ? mark_held_locks+0x130/0x130
[  286.920111]  ? mark_held_locks+0x130/0x130
[  286.924349]  dump_header+0x27b/0xf72
[  286.928078]  ? pagefault_out_of_memory+0x197/0x197
[  286.933039]  ? __lock_acquire+0x62f/0x4c20
[  286.937284]  ? percpu_ref_get_many+0x240/0x240
[  286.941888]  ? print_usage_bug+0xc0/0xc0
[  286.945953]  ? zap_class+0x640/0x640
[  286.949669]  ? print_usage_bug+0xc0/0xc0
[  286.953726]  ? print_usage_bug+0xc0/0xc0
[  286.957813]  ? zap_class+0x640/0x640
[  286.961529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.967082]  ? find_held_lock+0x36/0x1c0
[  286.971163]  ? mark_held_locks+0xc7/0x130
[  286.975321]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  286.980421]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  286.985560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.990167]  ? trace_hardirqs_on+0xbd/0x310
[  286.994483]  ? kasan_check_read+0x11/0x20
[  286.998635]  ? ___ratelimit+0x3b4/0x672
[  287.002609]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.007714]  ? trace_hardirqs_on+0x310/0x310
[  287.012121]  ? lock_downgrade+0x900/0x900
[  287.016271]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.021374]  ? ___ratelimit+0x3b9/0x672
[  287.025348]  ? idr_get_free+0xf70/0xf70
[  287.029329]  ? find_held_lock+0x36/0x1c0
[  287.033415]  oom_kill_process.cold.27+0x10/0x903
[  287.038168]  ? zap_class+0x640/0x640
[  287.041879]  ? check_preemption_disabled+0x48/0x280
[  287.046899]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.051828]  ? kasan_check_read+0x11/0x20
[  287.055971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.061246]  ? oom_evaluate_task+0x540/0x540
[  287.065658]  ? find_held_lock+0x36/0x1c0
[  287.069722]  ? out_of_memory+0x974/0x1430
[  287.073870]  ? lock_downgrade+0x900/0x900
[  287.078027]  ? check_preemption_disabled+0x48/0x280
[  287.083057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.087982]  ? kasan_check_read+0x11/0x20
[  287.092129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.097417]  ? rcu_softirq_qs+0x20/0x20
[  287.101428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.106992]  ? oom_evaluate_task+0x302/0x540
[  287.111416]  out_of_memory+0xa84/0x1430
[  287.115397]  ? oom_killer_disable+0x3a0/0x3a0
[  287.119895]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  287.124841]  ? __ww_mutex_check_waiters+0x160/0x160
[  287.129863]  __alloc_pages_slowpath+0x2354/0x2e10
[  287.134744]  ? warn_alloc+0x120/0x120
[  287.138545]  ? mark_held_locks+0x130/0x130
[  287.142780]  ? find_get_entry+0xaae/0x1120
[  287.147021]  ? filemap_map_pages+0x1a20/0x1a20
[  287.151611]  ? zap_class+0x640/0x640
[  287.155347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.160885]  ? check_preemption_disabled+0x48/0x280
[  287.165939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.171480]  ? should_fail+0x22d/0xd01
[  287.175374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.180474]  ? zap_class+0x640/0x640
[  287.184226]  ? __lock_is_held+0xb5/0x140
[  287.188296]  ? mark_held_locks+0x130/0x130
[  287.192550]  ? lock_release+0xa00/0xa00
[  287.196551]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.201999]  ? xa_load+0x2ba/0x460
[  287.205541]  ? lock_downgrade+0x900/0x900
[  287.209690]  ? __might_sleep+0x95/0x190
[  287.213668]  __alloc_pages_nodemask+0xa80/0xde0
[  287.218383]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.223397]  ? __page_cache_alloc+0x191/0x5c0
[  287.227927]  ? xa_load+0x2e1/0x460
[  287.231472]  ? xa_clear_mark+0x40/0x40
[  287.235394]  ? zap_class+0x640/0x640
[  287.239133]  ? zap_class+0x640/0x640
[  287.242849]  ? zap_class+0x640/0x640
[  287.246591]  ? __do_page_cache_readahead+0x663/0x810
[  287.251698]  ? find_held_lock+0x36/0x1c0
[  287.255764]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  287.261313]  alloc_pages_current+0x173/0x350
[  287.265740]  __page_cache_alloc+0x38c/0x5c0
[  287.270064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.274989]  ? kasan_check_read+0x11/0x20
[  287.279131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.284407]  ? generic_perform_write+0x6a0/0x6a0
[  287.289160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.294703]  ? check_preemption_disabled+0x48/0x280
[  287.299724]  filemap_fault+0x1595/0x25f0
[  287.303793]  ? __lock_page_or_retry+0xa00/0xa00
[  287.308479]  ? mark_held_locks+0x130/0x130
[  287.312720]  ? filemap_map_pages+0xd6b/0x1a20
[  287.317222]  ? lock_downgrade+0x900/0x900
[  287.321371]  ? check_preemption_disabled+0x48/0x280
[  287.326403]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.331332]  ? kasan_check_read+0x11/0x20
[  287.335493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.340778]  ? rcu_softirq_qs+0x20/0x20
[  287.344761]  ? filemap_map_pages+0xd92/0x1a20
[  287.349258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.354817]  ? find_get_entries_tag+0x1400/0x1400
[  287.359670]  ? __lock_acquire+0x62f/0x4c20
[  287.363916]  ? lock_acquire+0x1ed/0x520
[  287.367886]  ? ext4_filemap_fault+0x7a/0xad
[  287.372215]  ? lock_release+0xa00/0xa00
[  287.376186]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.381637]  ? print_usage_bug+0xc0/0xc0
[  287.385698]  ? print_usage_bug+0xc0/0xc0
[  287.389764]  ? down_read+0x8d/0x120
[  287.393389]  ? ext4_filemap_fault+0x7a/0xad
[  287.397711]  ? __down_interruptible+0x700/0x700
[  287.402405]  ext4_filemap_fault+0x82/0xad
[  287.406559]  __do_fault+0x100/0x6b0
[  287.410189]  ? pmd_devmap_trans_unstable+0x220/0x220
[  287.415295]  ? mark_held_locks+0x130/0x130
[  287.419540]  ? mark_held_locks+0x130/0x130
[  287.423771]  ? find_held_lock+0x36/0x1c0
[  287.427838]  ? find_held_lock+0x36/0x1c0
[  287.431902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.437440]  __handle_mm_fault+0x3ea0/0x5be0
[  287.441842]  ? poll_select_copy_remaining+0x18c/0x6a0
[  287.447047]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  287.451894]  ? __might_fault+0x12b/0x1e0
[  287.455959]  ? lock_downgrade+0x900/0x900
[  287.460119]  ? zap_class+0x640/0x640
[  287.463831]  ? zap_class+0x640/0x640
[  287.467548]  ? find_held_lock+0x36/0x1c0
[  287.471620]  ? handle_mm_fault+0x42a/0xc70
[  287.475854]  ? lock_downgrade+0x900/0x900
[  287.480002]  ? check_preemption_disabled+0x48/0x280
[  287.485022]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.489953]  ? kasan_check_read+0x11/0x20
[  287.494105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.499377]  ? rcu_softirq_qs+0x20/0x20
[  287.503348]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.508459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.513994]  ? check_preemption_disabled+0x48/0x280
[  287.519022]  handle_mm_fault+0x54f/0xc70
[  287.523141]  ? __handle_mm_fault+0x5be0/0x5be0
[  287.527749]  ? find_vma+0x34/0x190
[  287.531300]  __do_page_fault+0x5e8/0xe60
[  287.535409]  ? trace_hardirqs_off+0xb8/0x310
[  287.539824]  do_page_fault+0xf2/0x7e0
[  287.543626]  ? vmalloc_sync_all+0x30/0x30
[  287.547777]  ? error_entry+0x70/0xd0
[  287.551489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.556502]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.561432]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.566355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.571200]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.576225]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.581672]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.586703]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.591716]  ? page_fault+0x8/0x30
[  287.595261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.600104]  ? page_fault+0x8/0x30
[  287.603642]  page_fault+0x1e/0x30
[  287.607105] RIP: 0033:0x7fafaecd0dd3
[  287.610834] Code: Bad RIP value.
[  287.614195] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  287.619552] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  287.626813] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  287.634079] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  287.641341] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  287.648616] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  287.655904] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  287.655909] warn_alloc_show_mem: 1 callbacks suppressed
[  287.655916] Mem-Info:
[  287.662928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.668293] active_anon:50685 inactive_anon:189 isolated_anon:0
[  287.668293]  active_file:14 inactive_file:14 isolated_file:0
[  287.668293]  unevictable:0 dirty:0 writeback:0 unstable:0
[  287.668293]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  287.668293]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  287.668293]  free:13759 free_pcp:552 free_cma:0
[  287.670663] Call Trace:
[  287.680057] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.712891]  <IRQ>
[  287.715464] 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
[  287.742888]  dump_stack+0x244/0x39d
[  287.745012] lowmem_reserve[]: 0 2818 6321 6321
[  287.771120]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.774716] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  287.779306]  warn_alloc.cold.116+0xb7/0x1bd
[  287.784477] lowmem_reserve[]: 0 0 3503 3503
[  287.812060]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.816357] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  287.820680]  ? lock_downgrade+0x900/0x900
[  287.825492] lowmem_reserve[]: 0 0 0 0
[  287.854555]  ? trace_hardirqs_off+0xb8/0x310
[  287.858675] 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
[  287.862472]  ? trace_hardirqs_off+0xb8/0x310
[  287.866850] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  287.880373]  __alloc_pages_slowpath+0x26e8/0x2e10
[  287.884778] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  287.900140]  ? warn_alloc+0x120/0x120
[  287.904956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.920028]  ? print_usage_bug+0xc0/0xc0
[  287.923812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.932641]  ? warn_alloc+0x120/0x120
[  287.936683] 272 total pagecache pages
[  287.945244]  ? warn_alloc+0x120/0x120
[  287.949023] 0 pages in swap cache
[  287.952816]  ? print_usage_bug+0xc0/0xc0
[  287.956590] Swap cache stats: add 0, delete 0, find 0/0
[  287.960028]  ? print_usage_bug+0xc0/0xc0
[  287.964072] Free swap  = 0kB
[  287.969450]  ? __lock_acquire+0x62f/0x4c20
[  287.973486] Total swap = 0kB
[  287.976495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.980700] 1965979 pages RAM
[  287.983710]  ? should_fail+0x22d/0xd01
[  287.989217] 0 pages HighMem/MovableOnly
[  287.992313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.996179] 342853 pages reserved
[  288.000156]  ? __lock_acquire+0x62f/0x4c20
[  288.005234] 0 pages cma reserved
[  288.008676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.012953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.016235]  ? __lock_acquire+0x62f/0x4c20
[  288.016251]  ? should_fail+0x22d/0xd01
[  288.021417] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.027818]  ? find_held_lock+0x36/0x1c0
[  288.032041] init cpuset=/ mems_allowed=0
[  288.035939]  ? mark_held_locks+0x130/0x130
[  288.057933]  ? mark_held_locks+0x130/0x130
[  288.062168]  ? zap_class+0x640/0x640
[  288.065881]  ? zap_class+0x640/0x640
[  288.069597]  ? print_usage_bug+0xc0/0xc0
[  288.073656]  ? do_raw_spin_unlock+0xa7/0x330
[  288.078074]  ? zap_class+0x640/0x640
[  288.081783]  ? print_usage_bug+0xc0/0xc0
[  288.085843]  ? wq_watchdog_touch+0x9c/0xfe
[  288.090083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.095635]  ? check_preemption_disabled+0x48/0x280
[  288.100687]  ? __lock_is_held+0xb5/0x140
[  288.104755]  __alloc_pages_nodemask+0xa80/0xde0
[  288.109442]  ? zap_class+0x640/0x640
[  288.113162]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.118191]  ? find_held_lock+0x36/0x1c0
[  288.122262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.126934]  ? lock_downgrade+0x900/0x900
[  288.131086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.136628]  cache_grow_begin+0xa5/0x8c0
[  288.140687]  ? do_raw_spin_unlock+0xa7/0x330
[  288.145100]  fallback_alloc+0x204/0x2e0
[  288.149075]  ____cache_alloc_node+0x1c7/0x1e0
[  288.153573]  kmem_cache_alloc_node+0xe3/0x730
[  288.158072]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.162316]  __alloc_skb+0x119/0x770
[  288.166030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.171318]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.175739]  ? lock_downgrade+0x900/0x900
[  288.179897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.185436]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.190888]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.196341]  ? addrconf_rs_timer+0x690/0x690
[  288.200759]  ndisc_alloc_skb+0x144/0x340
[  288.204830]  ndisc_send_rs+0x331/0x6e0
[  288.208725]  addrconf_rs_timer+0x314/0x690
[  288.212961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.217198]  call_timer_fn+0x272/0x920
[  288.221099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.225332]  ? process_timeout+0x40/0x40
[  288.229420]  ? mark_held_locks+0xc7/0x130
[  288.233586]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.238108]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.242601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.246837]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.251419]  ? trace_hardirqs_on+0xbd/0x310
[  288.255740]  ? kasan_check_read+0x11/0x20
[  288.259898]  ? __run_timers+0x7da/0xc70
[  288.263868]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.268971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.273206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.277452]  __run_timers+0x7e5/0xc70
[  288.281265]  ? timer_fixup_init+0x70/0x70
[  288.285439]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.290459]  ? zap_class+0x640/0x640
[  288.294178]  ? print_usage_bug+0xc0/0xc0
[  288.298256]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.303450]  ? find_held_lock+0x36/0x1c0
[  288.307514]  ? zap_class+0x640/0x640
[  288.311236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.316776]  ? check_preemption_disabled+0x48/0x280
[  288.321812]  ? __lock_is_held+0xb5/0x140
[  288.325874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.331426]  ? check_preemption_disabled+0x48/0x280
[  288.336444]  run_timer_softirq+0x52/0xb0
[  288.340503]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.345548]  __do_softirq+0x308/0xb7e
[  288.349383]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  288.353880]  ? lock_downgrade+0x900/0x900
[  288.358040]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.363165]  ? pvclock_read_flags+0x160/0x160
[  288.367662]  ? lapic_next_event+0x5a/0x90
[  288.371816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.377358]  ? kvm_clock_read+0x18/0x30
[  288.381330]  ? kvm_sched_clock_read+0x9/0x20
[  288.385740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.391286]  ? check_preemption_disabled+0x48/0x280
[  288.396341]  irq_exit+0x17f/0x1c0
[  288.399795]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.404638]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.410517]  ? interrupt_entry+0xb5/0xc0
[  288.414593]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.419607]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.424622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.429469]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.434570]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.439585]  ? task_prio+0x50/0x50
[  288.443130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.448680]  ? check_preemption_disabled+0x48/0x280
[  288.453700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.458566]  apic_timer_interrupt+0xf/0x20
[  288.462796]  </IRQ>
[  288.465046] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  288.470154] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  288.489065] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  288.496768] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  288.504027] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  288.511307] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  288.518568] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  288.525828] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  288.533128]  shrink_active_list+0x14eb/0x1f00
[  288.537636]  ? shrink_inactive_list+0x1c60/0x1c60
[  288.542476]  ? trace_hardirqs_on+0xbd/0x310
[  288.546793]  ? shrink_inactive_list+0xa4a/0x1c60
[  288.551558]  ? mark_held_locks+0x130/0x130
[  288.555828]  ? __lock_acquire+0x62f/0x4c20
[  288.560255]  ? print_usage_bug+0xc0/0xc0
[  288.564321]  ? mark_held_locks+0x130/0x130
[  288.568585]  ? mark_held_locks+0x130/0x130
[  288.572827]  ? print_usage_bug+0xc0/0xc0
[  288.576894]  ? __lock_acquire+0x62f/0x4c20
[  288.581135]  ? zap_class+0x640/0x640
[  288.584849]  ? zap_class+0x640/0x640
[  288.588578]  ? mark_held_locks+0x130/0x130
[  288.592843]  ? zap_class+0x640/0x640
[  288.596559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.602092]  ? check_preemption_disabled+0x48/0x280
[  288.607119]  ? __lock_is_held+0xb5/0x140
[  288.611193]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.616209]  ? inactive_list_is_low+0x305/0x880
[  288.620883]  ? lruvec_lru_size+0x450/0x450
[  288.625121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.630672]  ? lruvec_lru_size+0x2ab/0x450
[  288.634909]  ? percpu_ref_put_many+0x13e/0x260
[  288.639498]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  288.644434]  ? find_held_lock+0x36/0x1c0
[  288.648500]  shrink_node_memcg+0x803/0x18f0
[  288.652841]  ? shrink_active_list+0x1f00/0x1f00
[  288.657531]  ? lock_downgrade+0x900/0x900
[  288.661687]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.666800]  ? cgroup_procs_write_finish+0xf0/0xf0
[  288.671741]  ? _raw_spin_unlock+0x2c/0x50
[  288.675893]  shrink_node+0x3bc/0x16b0
[  288.679695]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  288.685007]  ? shrink_node_memcg+0x18f0/0x18f0
[  288.690088]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.694710]  ? trace_hardirqs_on+0xbd/0x310
[  288.699039]  ? vmpressure+0x271/0x340
[  288.702841]  ? do_raw_spin_unlock+0xa7/0x330
[  288.707247]  ? do_raw_spin_trylock+0x270/0x270
[  288.711833]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  288.717367]  ? __cpuset_node_allowed+0x19b/0x660
[  288.722135]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  288.727857]  ? vmpressure+0x1a2/0x340
[  288.731667]  do_try_to_free_pages+0x3e7/0x1290
[  288.736247]  ? zap_class+0x640/0x640
[  288.739982]  ? shrink_node+0x16b0/0x16b0
[  288.744055]  ? __lock_is_held+0xb5/0x140
[  288.748132]  try_to_free_pages+0x4d0/0xb90
[  288.752369]  ? do_try_to_free_pages+0x1290/0x1290
[  288.757225]  ? lock_acquire+0x1ed/0x520
[  288.761216]  ? set_page_refcounted+0x280/0x280
[  288.765801]  ? lock_release+0xa00/0xa00
[  288.769776]  ? _raw_spin_unlock_irq+0x60/0x80
[  288.774272]  ? psi_memstall_enter+0x240/0x2b0
[  288.778766]  ? psi_memstall_tick+0x230/0x230
[  288.783178]  __alloc_pages_slowpath+0xa14/0x2e10
[  288.787955]  ? warn_alloc+0x120/0x120
[  288.791755]  ? mark_held_locks+0x130/0x130
[  288.795993]  ? find_get_entry+0xaae/0x1120
[  288.800236]  ? filemap_map_pages+0x1a20/0x1a20
[  288.804837]  ? zap_class+0x640/0x640
[  288.808559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.814101]  ? check_preemption_disabled+0x48/0x280
[  288.819116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.824664]  ? should_fail+0x22d/0xd01
[  288.828558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.833680]  ? zap_class+0x640/0x640
[  288.837431]  ? __lock_is_held+0xb5/0x140
[  288.841501]  ? mark_held_locks+0x130/0x130
[  288.845735]  ? lock_release+0xa00/0xa00
[  288.849708]  ? perf_trace_sched_process_exec+0x860/0x860
[  288.855173]  ? xa_load+0x2ba/0x460
[  288.858711]  ? lock_downgrade+0x900/0x900
[  288.862859]  ? __might_sleep+0x95/0x190
[  288.866839]  __alloc_pages_nodemask+0xa80/0xde0
[  288.871530]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.876546]  ? __page_cache_alloc+0x191/0x5c0
[  288.881045]  ? xa_load+0x2e1/0x460
[  288.884599]  ? xa_clear_mark+0x40/0x40
[  288.888484]  ? zap_class+0x640/0x640
[  288.892199]  ? zap_class+0x640/0x640
[  288.895906]  ? zap_class+0x640/0x640
[  288.899618]  ? __do_page_cache_readahead+0x663/0x810
[  288.904723]  ? find_held_lock+0x36/0x1c0
[  288.908787]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  288.914335]  alloc_pages_current+0x173/0x350
[  288.918744]  __page_cache_alloc+0x38c/0x5c0
[  288.923065]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.927988]  ? kasan_check_read+0x11/0x20
[  288.932167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.937447]  ? generic_perform_write+0x6a0/0x6a0
[  288.942205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.947744]  ? check_preemption_disabled+0x48/0x280
[  288.952768]  filemap_fault+0x1595/0x25f0
[  288.956844]  ? __lock_page_or_retry+0xa00/0xa00
[  288.961512]  ? mark_held_locks+0x130/0x130
[  288.965756]  ? filemap_map_pages+0xd6b/0x1a20
[  288.970251]  ? lock_downgrade+0x900/0x900
[  288.974395]  ? check_preemption_disabled+0x48/0x280
[  288.979427]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.984357]  ? kasan_check_read+0x11/0x20
[  288.988507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.993820]  ? rcu_softirq_qs+0x20/0x20
[  288.997808]  ? filemap_map_pages+0xd92/0x1a20
[  289.002307]  ? print_usage_bug+0xc0/0xc0
[  289.006375]  ? find_get_entries_tag+0x1400/0x1400
[  289.011217]  ? __kasan_slab_free+0x102/0x150
[  289.015625]  ? kasan_slab_free+0xe/0x10
[  289.019596]  ? kmem_cache_free+0x83/0x290
[  289.023749]  ? __sigqueue_free.part.29+0x74/0x90
[  289.028538]  ? lock_acquire+0x1ed/0x520
[  289.032525]  ? ext4_filemap_fault+0x7a/0xad
[  289.036852]  ? lock_release+0xa00/0xa00
[  289.040874]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.046325]  ? print_usage_bug+0xc0/0xc0
[  289.050387]  ? print_usage_bug+0xc0/0xc0
[  289.054461]  ? down_read+0x8d/0x120
[  289.058102]  ? ext4_filemap_fault+0x7a/0xad
[  289.062452]  ? __down_interruptible+0x700/0x700
[  289.067126]  ext4_filemap_fault+0x82/0xad
[  289.071277]  __do_fault+0x100/0x6b0
[  289.074913]  ? pmd_devmap_trans_unstable+0x220/0x220
[  289.080013]  ? mark_held_locks+0x130/0x130
[  289.084265]  ? mark_held_locks+0x130/0x130
[  289.088495]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  289.094026]  ? rcu_pm_notify+0xc0/0xc0
[  289.097938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.103470]  __handle_mm_fault+0x3ea0/0x5be0
[  289.107881]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  289.112719]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.117213]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.121795]  ? trace_hardirqs_on+0xbd/0x310
[  289.126116]  ? kasan_check_read+0x11/0x20
[  289.130307]  ? __set_current_blocked+0xdf/0x120
[  289.134977]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.140095]  ? zap_class+0x640/0x640
[  289.143816]  ? zap_class+0x640/0x640
[  289.147540]  ? find_held_lock+0x36/0x1c0
[  289.151608]  ? handle_mm_fault+0x42a/0xc70
[  289.155840]  ? lock_downgrade+0x900/0x900
[  289.159984]  ? check_preemption_disabled+0x48/0x280
[  289.164998]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.169922]  ? kasan_check_read+0x11/0x20
[  289.174074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.179348]  ? rcu_softirq_qs+0x20/0x20
[  289.183316]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.188420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.193972]  ? check_preemption_disabled+0x48/0x280
[  289.198989]  handle_mm_fault+0x54f/0xc70
[  289.203061]  ? __handle_mm_fault+0x5be0/0x5be0
[  289.207646]  ? find_vma+0x34/0x190
[  289.211191]  __do_page_fault+0x5e8/0xe60
[  289.215252]  ? exit_to_usermode_loop+0x1f4/0x380
[  289.220011]  do_page_fault+0xf2/0x7e0
[  289.223817]  ? vmalloc_sync_all+0x30/0x30
[  289.227962]  ? error_entry+0x70/0xd0
[  289.231682]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.236695]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.241618]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.246549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.251394]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.256408]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.261860]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.266893]  ? page_fault+0x8/0x30
[  289.270433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.275294]  ? page_fault+0x8/0x30
[  289.278850]  page_fault+0x1e/0x30
[  289.282300] RIP: 0033:0x45db60
[  289.285503] Code: Bad RIP value.
[  289.288858] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  289.294234] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  289.301502] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  289.308769] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  289.316041] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  289.323314] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  289.330649] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  289.330766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.336895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.336901] Call Trace:
[  289.336907]  <IRQ>
[  289.336925]  dump_stack+0x244/0x39d
[  289.336942]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.343509] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.352791]  warn_alloc.cold.116+0xb7/0x1bd
[  289.355378] syz-fuzzer cpuset=/ mems_allowed=0
[  289.357524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.390251]  ? lock_downgrade+0x900/0x900
[  289.394401]  ? trace_hardirqs_off+0xb8/0x310
[  289.398817]  ? trace_hardirqs_off+0xb8/0x310
[  289.403233]  __alloc_pages_slowpath+0x26e8/0x2e10
[  289.408103]  ? warn_alloc+0x120/0x120
[  289.411920]  ? print_usage_bug+0xc0/0xc0
[  289.415999]  ? warn_alloc+0x120/0x120
[  289.419820]  ? warn_alloc+0x120/0x120
[  289.423625]  ? print_usage_bug+0xc0/0xc0
[  289.427694]  ? print_usage_bug+0xc0/0xc0
[  289.431753]  ? __lock_acquire+0x62f/0x4c20
[  289.436010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.441551]  ? should_fail+0x22d/0xd01
[  289.445447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.450559]  ? __lock_acquire+0x62f/0x4c20
[  289.454799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.459907]  ? __lock_acquire+0x62f/0x4c20
[  289.464139]  ? should_fail+0x22d/0xd01
[  289.468056]  ? mark_held_locks+0x130/0x130
[  289.472296]  ? mark_held_locks+0x130/0x130
[  289.476537]  ? zap_class+0x640/0x640
[  289.480262]  ? zap_class+0x640/0x640
[  289.483976]  ? print_usage_bug+0xc0/0xc0
[  289.488071]  ? wq_watchdog_touch+0x9c/0xfe
[  289.492317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.497858]  ? check_preemption_disabled+0x48/0x280
[  289.502885]  ? __lock_is_held+0xb5/0x140
[  289.506951]  __alloc_pages_nodemask+0xa80/0xde0
[  289.511623]  ? zap_class+0x640/0x640
[  289.515341]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  289.520378]  ? find_held_lock+0x36/0x1c0
[  289.524449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.529121]  ? lock_downgrade+0x900/0x900
[  289.533282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.538842]  cache_grow_begin+0xa5/0x8c0
[  289.542903]  ? do_raw_spin_unlock+0xa7/0x330
[  289.547339]  fallback_alloc+0x204/0x2e0
[  289.551329]  ____cache_alloc_node+0x1c7/0x1e0
[  289.555844]  kmem_cache_alloc_node+0xe3/0x730
[  289.560341]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.564598]  __alloc_skb+0x119/0x770
[  289.568317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.573596]  ? netdev_alloc_frag+0x1f0/0x1f0
[  289.578006]  ? lock_downgrade+0x900/0x900
[  289.582166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.587704]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.593162]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.598610]  ? addrconf_rs_timer+0x690/0x690
[  289.603040]  ndisc_alloc_skb+0x144/0x340
[  289.607105]  ndisc_send_rs+0x331/0x6e0
[  289.610999]  addrconf_rs_timer+0x314/0x690
[  289.615247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.619499]  call_timer_fn+0x272/0x920
[  289.623387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.627620]  ? process_timeout+0x40/0x40
[  289.631690]  ? mark_held_locks+0xc7/0x130
[  289.635852]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.640340]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.644860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.649122]  ? lockdep_hardirqs_on+0x296/0x5b0
[  289.653748]  ? trace_hardirqs_on+0xbd/0x310
[  289.658098]  ? kasan_check_read+0x11/0x20
[  289.662243]  ? __run_timers+0x7da/0xc70
[  289.666241]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.671353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.675583]  __run_timers+0x7e5/0xc70
[  289.679392]  ? timer_fixup_init+0x70/0x70
[  289.683542]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.688561]  ? zap_class+0x640/0x640
[  289.692277]  ? print_usage_bug+0xc0/0xc0
[  289.696344]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.701543]  ? find_held_lock+0x36/0x1c0
[  289.705611]  ? zap_class+0x640/0x640
[  289.709332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.714873]  ? check_preemption_disabled+0x48/0x280
[  289.719895]  ? __lock_is_held+0xb5/0x140
[  289.723957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.729494]  ? check_preemption_disabled+0x48/0x280
[  289.734514]  run_timer_softirq+0x52/0xb0
[  289.738582]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.743597]  __do_softirq+0x308/0xb7e
[  289.747402]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.751894]  ? lock_downgrade+0x900/0x900
[  289.756071]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.761195]  ? pvclock_read_flags+0x160/0x160
[  289.765705]  ? lapic_next_event+0x5a/0x90
[  289.769858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.775397]  ? kvm_clock_read+0x18/0x30
[  289.779367]  ? kvm_sched_clock_read+0x9/0x20
[  289.783772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.789313]  ? check_preemption_disabled+0x48/0x280
[  289.794343]  irq_exit+0x17f/0x1c0
[  289.797797]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.802682]  ? smp_reschedule_interrupt+0x109/0x650
[  289.807702]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.813604]  ? interrupt_entry+0xb5/0xc0
[  289.817666]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.822681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.827694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.832557]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.837575]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.842594]  ? task_prio+0x50/0x50
[  289.846134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.851673]  ? check_preemption_disabled+0x48/0x280
[  289.856690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.861536]  apic_timer_interrupt+0xf/0x20
[  289.865768]  </IRQ>
[  289.868009] RIP: 0010:dump_stack+0x358/0x39d
[  289.872434] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  289.891336] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  289.899065] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  289.906354] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  289.913636] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  289.920916] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  289.928177] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  289.935457]  ? dump_stack+0x34f/0x39d
[  289.939272]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.944483]  ? mark_held_locks+0x130/0x130
[  289.948716]  ? mark_held_locks+0x130/0x130
[  289.952955]  dump_header+0x27b/0xf72
[  289.956677]  ? pagefault_out_of_memory+0x197/0x197
[  289.961610]  ? __lock_acquire+0x62f/0x4c20
[  289.965859]  ? percpu_ref_get_many+0x240/0x240
[  289.970441]  ? print_usage_bug+0xc0/0xc0
[  289.974508]  ? zap_class+0x640/0x640
[  289.978236]  ? print_usage_bug+0xc0/0xc0
[  289.982295]  ? print_usage_bug+0xc0/0xc0
[  289.986360]  ? zap_class+0x640/0x640
[  289.990077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.995651]  ? find_held_lock+0x36/0x1c0
[  289.999718]  ? mark_held_locks+0xc7/0x130
[  290.003868]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  290.008970]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  290.014075]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  290.018662]  ? trace_hardirqs_on+0xbd/0x310
[  290.022983]  ? kasan_check_read+0x11/0x20
[  290.027145]  ? ___ratelimit+0x3b4/0x672
[  290.031119]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.036221]  ? trace_hardirqs_on+0x310/0x310
[  290.040628]  ? lock_downgrade+0x900/0x900
[  290.044796]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.049919]  ? ___ratelimit+0x3b9/0x672
[  290.053898]  ? idr_get_free+0xf70/0xf70
[  290.057883]  ? find_held_lock+0x36/0x1c0
[  290.061947]  oom_kill_process.cold.27+0x10/0x903
[  290.066699]  ? zap_class+0x640/0x640
[  290.070413]  ? check_preemption_disabled+0x48/0x280
[  290.075435]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.080364]  ? kasan_check_read+0x11/0x20
[  290.084515]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.089790]  ? oom_evaluate_task+0x540/0x540
[  290.094205]  ? find_held_lock+0x36/0x1c0
[  290.098271]  ? out_of_memory+0x974/0x1430
[  290.102428]  ? lock_downgrade+0x900/0x900
[  290.106578]  ? check_preemption_disabled+0x48/0x280
[  290.111597]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.116525]  ? kasan_check_read+0x11/0x20
[  290.120669]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.125948]  ? rcu_softirq_qs+0x20/0x20
[  290.129928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.135468]  ? oom_evaluate_task+0x302/0x540
[  290.139876]  out_of_memory+0xa84/0x1430
[  290.143859]  ? oom_killer_disable+0x3a0/0x3a0
[  290.148367]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  290.153309]  ? __ww_mutex_check_waiters+0x160/0x160
[  290.158342]  __alloc_pages_slowpath+0x2354/0x2e10
[  290.163212]  ? warn_alloc+0x120/0x120
[  290.167009]  ? mark_held_locks+0x130/0x130
[  290.171258]  ? find_get_entry+0xaae/0x1120
[  290.175509]  ? filemap_map_pages+0x1a20/0x1a20
[  290.180137]  ? zap_class+0x640/0x640
[  290.183870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.189440]  ? check_preemption_disabled+0x48/0x280
[  290.194454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.199992]  ? should_fail+0x22d/0xd01
[  290.203881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.208986]  ? zap_class+0x640/0x640
[  290.212723]  ? __lock_is_held+0xb5/0x140
[  290.216793]  ? mark_held_locks+0x130/0x130
[  290.221049]  ? lock_release+0xa00/0xa00
[  290.225028]  ? perf_trace_sched_process_exec+0x860/0x860
[  290.230488]  ? xa_load+0x2ba/0x460
[  290.234027]  ? lock_downgrade+0x900/0x900
[  290.238188]  ? __might_sleep+0x95/0x190
[  290.242170]  __alloc_pages_nodemask+0xa80/0xde0
[  290.246859]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.251879]  ? __page_cache_alloc+0x191/0x5c0
[  290.256377]  ? xa_load+0x2e1/0x460
[  290.259920]  ? xa_clear_mark+0x40/0x40
[  290.263811]  ? zap_class+0x640/0x640
[  290.267534]  ? zap_class+0x640/0x640
[  290.271249]  ? zap_class+0x640/0x640
[  290.274963]  ? __do_page_cache_readahead+0x663/0x810
[  290.280077]  ? find_held_lock+0x36/0x1c0
[  290.284143]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  290.289702]  alloc_pages_current+0x173/0x350
[  290.294115]  __page_cache_alloc+0x38c/0x5c0
[  290.298437]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.303400]  ? kasan_check_read+0x11/0x20
[  290.307552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.312831]  ? generic_perform_write+0x6a0/0x6a0
[  290.317594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.323135]  ? check_preemption_disabled+0x48/0x280
[  290.328160]  filemap_fault+0x1595/0x25f0
[  290.332231]  ? __lock_page_or_retry+0xa00/0xa00
[  290.336905]  ? mark_held_locks+0x130/0x130
[  290.341149]  ? filemap_map_pages+0xd6b/0x1a20
[  290.345648]  ? lock_downgrade+0x900/0x900
[  290.349795]  ? check_preemption_disabled+0x48/0x280
[  290.354817]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.359750]  ? kasan_check_read+0x11/0x20
[  290.363912]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.369185]  ? rcu_softirq_qs+0x20/0x20
[  290.373163]  ? filemap_map_pages+0xd92/0x1a20
[  290.377656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.383223]  ? find_get_entries_tag+0x1400/0x1400
[  290.388074]  ? __lock_acquire+0x62f/0x4c20
[  290.392332]  ? lock_acquire+0x1ed/0x520
[  290.396302]  ? ext4_filemap_fault+0x7a/0xad
[  290.400633]  ? lock_release+0xa00/0xa00
[  290.404617]  ? perf_trace_sched_process_exec+0x860/0x860
[  290.410081]  ? print_usage_bug+0xc0/0xc0
[  290.414141]  ? print_usage_bug+0xc0/0xc0
[  290.418210]  ? down_read+0x8d/0x120
[  290.421835]  ? ext4_filemap_fault+0x7a/0xad
[  290.426158]  ? __down_interruptible+0x700/0x700
[  290.430839]  ext4_filemap_fault+0x82/0xad
[  290.434991]  __do_fault+0x100/0x6b0
[  290.438626]  ? pmd_devmap_trans_unstable+0x220/0x220
[  290.443732]  ? mark_held_locks+0x130/0x130
[  290.447965]  ? mark_held_locks+0x130/0x130
[  290.452197]  ? find_held_lock+0x36/0x1c0
[  290.456266]  ? find_held_lock+0x36/0x1c0
[  290.460363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.465900]  __handle_mm_fault+0x3ea0/0x5be0
[  290.470324]  ? poll_select_copy_remaining+0x18c/0x6a0
[  290.475521]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  290.480415]  ? __might_fault+0x12b/0x1e0
[  290.484481]  ? lock_downgrade+0x900/0x900
[  290.488649]  ? zap_class+0x640/0x640
[  290.492363]  ? zap_class+0x640/0x640
[  290.496082]  ? find_held_lock+0x36/0x1c0
[  290.500153]  ? handle_mm_fault+0x42a/0xc70
[  290.504397]  ? lock_downgrade+0x900/0x900
[  290.508549]  ? check_preemption_disabled+0x48/0x280
[  290.513572]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.518512]  ? kasan_check_read+0x11/0x20
[  290.522659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.527930]  ? rcu_softirq_qs+0x20/0x20
[  290.531903]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.537011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.542573]  ? check_preemption_disabled+0x48/0x280
[  290.547595]  handle_mm_fault+0x54f/0xc70
[  290.551664]  ? __handle_mm_fault+0x5be0/0x5be0
[  290.556251]  ? find_vma+0x34/0x190
[  290.559975]  __do_page_fault+0x5e8/0xe60
[  290.564042]  ? trace_hardirqs_off+0xb8/0x310
[  290.568478]  do_page_fault+0xf2/0x7e0
[  290.572284]  ? vmalloc_sync_all+0x30/0x30
[  290.576439]  ? error_entry+0x70/0xd0
[  290.580152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.585165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  290.590094]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.595021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.599872]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.604885]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.610342]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  290.615361]  ? prepare_exit_to_usermode+0x291/0x3b0
[  290.620404]  ? page_fault+0x8/0x30
[  290.623951]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.628795]  ? page_fault+0x8/0x30
[  290.632335]  page_fault+0x1e/0x30
[  290.635785] RIP: 0033:0x7fafaecd0dd3
[  290.639528] Code: Bad RIP value.
[  290.642905] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  290.648262] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  290.655565] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  290.662838] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  290.670105] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  290.677383] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  290.684677] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  290.684682] warn_alloc_show_mem: 1 callbacks suppressed
[  290.684688] Mem-Info:
[  290.692163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.692172] Call Trace:
[  290.697546] active_anon:50685 inactive_anon:189 isolated_anon:0
[  290.697546]  active_file:14 inactive_file:14 isolated_file:0
[  290.697546]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.697546]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  290.697546]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  290.697546]  free:13759 free_pcp:552 free_cma:0
[  290.699914]  <IRQ>
[  290.709278] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.711863]  dump_stack+0x244/0x39d
[  290.744708] 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
[  290.746850]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.774265] lowmem_reserve[]: 0 2818 6321 6321
[  290.777895]  warn_alloc.cold.116+0xb7/0x1bd
[  290.803968] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.809150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.813704] lowmem_reserve[]: 0 0 3503 3503
[  290.818020]  ? lock_downgrade+0x900/0x900
[  290.845581] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  290.850439]  ? trace_hardirqs_off+0xb8/0x310
[  290.854724] lowmem_reserve[]: 0 0 0 0
[  290.858870]  ? trace_hardirqs_off+0xb8/0x310
[  290.887902] 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
[  290.892306]  __alloc_pages_slowpath+0x26e8/0x2e10
[  290.896078] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  290.900502]  ? warn_alloc+0x120/0x120
[  290.913975] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  290.918814]  ? print_usage_bug+0xc0/0xc0
[  290.934136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.937922]  ? warn_alloc+0x120/0x120
[  290.952986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.957039]  ? warn_alloc+0x120/0x120
[  290.965847] 272 total pagecache pages
[  290.969636]  ? print_usage_bug+0xc0/0xc0
[  290.978192] 0 pages in swap cache
[  290.982008]  ? kvm_clock_read+0x18/0x30
[  290.985820] Swap cache stats: add 0, delete 0, find 0/0
[  290.989872]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.993294] Free swap  = 0kB
[  290.997260]  ? print_usage_bug+0xc0/0xc0
[  291.002597] Total swap = 0kB
[  291.007633]  ? __lock_acquire+0x62f/0x4c20
[  291.010628] 1965979 pages RAM
[  291.014687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.017681] 0 pages HighMem/MovableOnly
[  291.021910]  ? should_fail+0x22d/0xd01
[  291.024987] 342853 pages reserved
[  291.030531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.034476] 0 pages cma reserved
[  291.038356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.041861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.047056]  ? __lock_acquire+0x62f/0x4c20
[  291.050482] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.055513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.062005] init cpuset=/ mems_allowed=0
[  291.066239]  ? __lock_acquire+0x62f/0x4c20
[  291.066255]  ? should_fail+0x22d/0xd01
[  291.093154]  ? rcu_irq_exit+0x1a2/0x390
[  291.097139]  ? mark_held_locks+0x130/0x130
[  291.101379]  ? mark_held_locks+0x130/0x130
[  291.105621]  ? mark_held_locks+0xc7/0x130
[  291.109764]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  291.114798]  ? zap_class+0x640/0x640
[  291.118532]  ? print_usage_bug+0xc0/0xc0
[  291.122596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.128133]  ? check_preemption_disabled+0x48/0x280
[  291.133156]  ? __lock_is_held+0xb5/0x140
[  291.137221]  __alloc_pages_nodemask+0xa80/0xde0
[  291.141892]  ? zap_class+0x640/0x640
[  291.145623]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  291.150648]  ? find_held_lock+0x36/0x1c0
[  291.154731]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.159404]  ? lock_downgrade+0x900/0x900
[  291.163559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.169103]  cache_grow_begin+0xa5/0x8c0
[  291.173164]  ? do_raw_spin_unlock+0xa7/0x330
[  291.177581]  fallback_alloc+0x204/0x2e0
[  291.181564]  ____cache_alloc_node+0x1c7/0x1e0
[  291.186072]  kmem_cache_alloc_node+0xe3/0x730
[  291.190608]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.194854]  __alloc_skb+0x119/0x770
[  291.198572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.203856]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.208267]  ? lock_downgrade+0x900/0x900
[  291.212428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.217969]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.223426]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.228878]  ? addrconf_rs_timer+0x690/0x690
[  291.233299]  ndisc_alloc_skb+0x144/0x340
[  291.237367]  ndisc_send_rs+0x331/0x6e0
[  291.241259]  addrconf_rs_timer+0x314/0x690
[  291.245500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.249744]  call_timer_fn+0x272/0x920
[  291.253634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.257886]  ? process_timeout+0x40/0x40
[  291.261955]  ? mark_held_locks+0xc7/0x130
[  291.266104]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.270598]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.275094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.279327]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.283938]  ? trace_hardirqs_on+0xbd/0x310
[  291.288284]  ? kasan_check_read+0x11/0x20
[  291.292430]  ? __run_timers+0x7da/0xc70
[  291.296403]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.301508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.305744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.309977]  __run_timers+0x7e5/0xc70
[  291.313810]  ? timer_fixup_init+0x70/0x70
[  291.317956]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.322988]  ? zap_class+0x640/0x640
[  291.326710]  ? print_usage_bug+0xc0/0xc0
[  291.330777]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.335985]  ? find_held_lock+0x36/0x1c0
[  291.340086]  ? zap_class+0x640/0x640
[  291.343802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.349343]  ? check_preemption_disabled+0x48/0x280
[  291.354408]  ? __lock_is_held+0xb5/0x140
[  291.358483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.364021]  ? check_preemption_disabled+0x48/0x280
[  291.369056]  run_timer_softirq+0x52/0xb0
[  291.373117]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.378138]  __do_softirq+0x308/0xb7e
[  291.381959]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.386454]  ? lock_downgrade+0x900/0x900
[  291.390607]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.395719]  ? pvclock_read_flags+0x160/0x160
[  291.400220]  ? lapic_next_event+0x5a/0x90
[  291.404366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.409906]  ? kvm_clock_read+0x18/0x30
[  291.413879]  ? kvm_sched_clock_read+0x9/0x20
[  291.418303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.423840]  ? check_preemption_disabled+0x48/0x280
[  291.428866]  irq_exit+0x17f/0x1c0
[  291.432338]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.437183]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.443065]  ? interrupt_entry+0xb5/0xc0
[  291.447128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.452141]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.457171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.462015]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.467041]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.472071]  ? task_prio+0x50/0x50
[  291.475613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.481150]  ? check_preemption_disabled+0x48/0x280
[  291.486175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.491024]  apic_timer_interrupt+0xf/0x20
[  291.495293]  </IRQ>
[  291.497552] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  291.502659] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  291.521558] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  291.529262] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  291.536529] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  291.543792] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  291.551061] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  291.558324] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  291.565617]  shrink_active_list+0x14eb/0x1f00
[  291.570126]  ? shrink_inactive_list+0x1c60/0x1c60
[  291.574968]  ? trace_hardirqs_on+0xbd/0x310
[  291.579286]  ? shrink_inactive_list+0xa4a/0x1c60
[  291.584058]  ? mark_held_locks+0x130/0x130
[  291.588292]  ? __lock_acquire+0x62f/0x4c20
[  291.592525]  ? print_usage_bug+0xc0/0xc0
[  291.596595]  ? mark_held_locks+0x130/0x130
[  291.600839]  ? mark_held_locks+0x130/0x130
[  291.605128]  ? print_usage_bug+0xc0/0xc0
[  291.609192]  ? __lock_acquire+0x62f/0x4c20
[  291.613440]  ? zap_class+0x640/0x640
[  291.617157]  ? zap_class+0x640/0x640
[  291.620878]  ? mark_held_locks+0x130/0x130
[  291.625129]  ? zap_class+0x640/0x640
[  291.628846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.634385]  ? check_preemption_disabled+0x48/0x280
[  291.639407]  ? __lock_is_held+0xb5/0x140
[  291.643494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.648536]  ? inactive_list_is_low+0x305/0x880
[  291.653222]  ? lruvec_lru_size+0x450/0x450
[  291.657453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.662987]  ? lruvec_lru_size+0x2ab/0x450
[  291.667228]  ? percpu_ref_put_many+0x13e/0x260
[  291.671818]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  291.676748]  ? find_held_lock+0x36/0x1c0
[  291.680816]  shrink_node_memcg+0x803/0x18f0
[  291.685150]  ? shrink_active_list+0x1f00/0x1f00
[  291.689826]  ? lock_downgrade+0x900/0x900
[  291.693978]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.699087]  ? cgroup_procs_write_finish+0xf0/0xf0
[  291.704021]  ? _raw_spin_unlock+0x2c/0x50
[  291.708184]  shrink_node+0x3bc/0x16b0
[  291.711989]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  291.717288]  ? shrink_node_memcg+0x18f0/0x18f0
[  291.721869]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.726456]  ? trace_hardirqs_on+0xbd/0x310
[  291.730816]  ? vmpressure+0x271/0x340
[  291.734621]  ? do_raw_spin_unlock+0xa7/0x330
[  291.739057]  ? do_raw_spin_trylock+0x270/0x270
[  291.743653]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.749197]  ? __cpuset_node_allowed+0x19b/0x660
[  291.753959]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  291.759674]  ? vmpressure+0x1a2/0x340
[  291.763527]  do_try_to_free_pages+0x3e7/0x1290
[  291.768112]  ? zap_class+0x640/0x640
[  291.771849]  ? shrink_node+0x16b0/0x16b0
[  291.775917]  ? __lock_is_held+0xb5/0x140
[  291.779991]  try_to_free_pages+0x4d0/0xb90
[  291.784269]  ? do_try_to_free_pages+0x1290/0x1290
[  291.789147]  ? lock_acquire+0x1ed/0x520
[  291.793130]  ? set_page_refcounted+0x280/0x280
[  291.797726]  ? lock_release+0xa00/0xa00
[  291.801707]  ? _raw_spin_unlock_irq+0x60/0x80
[  291.806211]  ? psi_memstall_enter+0x240/0x2b0
[  291.810715]  ? psi_memstall_tick+0x230/0x230
[  291.815153]  __alloc_pages_slowpath+0xa14/0x2e10
[  291.819989]  ? warn_alloc+0x120/0x120
[  291.823794]  ? mark_held_locks+0x130/0x130
[  291.828055]  ? find_get_entry+0xaae/0x1120
[  291.832308]  ? filemap_map_pages+0x1a20/0x1a20
[  291.836905]  ? zap_class+0x640/0x640
[  291.840633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.846184]  ? check_preemption_disabled+0x48/0x280
[  291.851210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.856755]  ? should_fail+0x22d/0xd01
[  291.860651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.865764]  ? zap_class+0x640/0x640
[  291.869509]  ? __lock_is_held+0xb5/0x140
[  291.873584]  ? mark_held_locks+0x130/0x130
[  291.877842]  ? lock_release+0xa00/0xa00
[  291.881839]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.887297]  ? xa_load+0x2ba/0x460
[  291.890842]  ? lock_downgrade+0x900/0x900
[  291.894998]  ? __might_sleep+0x95/0x190
[  291.898989]  __alloc_pages_nodemask+0xa80/0xde0
[  291.903672]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  291.908697]  ? __page_cache_alloc+0x191/0x5c0
[  291.913196]  ? xa_load+0x2e1/0x460
[  291.916755]  ? xa_clear_mark+0x40/0x40
[  291.920681]  ? zap_class+0x640/0x640
[  291.924408]  ? zap_class+0x640/0x640
[  291.928124]  ? zap_class+0x640/0x640
[  291.931854]  ? __do_page_cache_readahead+0x663/0x810
[  291.936986]  ? find_held_lock+0x36/0x1c0
[  291.941084]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  291.946632]  alloc_pages_current+0x173/0x350
[  291.951067]  __page_cache_alloc+0x38c/0x5c0
[  291.955391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.960323]  ? kasan_check_read+0x11/0x20
[  291.964489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.969772]  ? generic_perform_write+0x6a0/0x6a0
[  291.974540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.980087]  ? check_preemption_disabled+0x48/0x280
[  291.985119]  filemap_fault+0x1595/0x25f0
[  291.989202]  ? __lock_page_or_retry+0xa00/0xa00
[  291.993886]  ? mark_held_locks+0x130/0x130
[  291.998132]  ? filemap_map_pages+0xd6b/0x1a20
[  292.002633]  ? lock_downgrade+0x900/0x900
[  292.006800]  ? check_preemption_disabled+0x48/0x280
[  292.011849]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.016780]  ? kasan_check_read+0x11/0x20
[  292.020954]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.026241]  ? rcu_softirq_qs+0x20/0x20
[  292.030237]  ? filemap_map_pages+0xd92/0x1a20
[  292.034748]  ? print_usage_bug+0xc0/0xc0
[  292.038829]  ? find_get_entries_tag+0x1400/0x1400
[  292.043676]  ? __kasan_slab_free+0x102/0x150
[  292.048101]  ? kasan_slab_free+0xe/0x10
[  292.052080]  ? kmem_cache_free+0x83/0x290
[  292.056229]  ? __sigqueue_free.part.29+0x74/0x90
[  292.061005]  ? lock_acquire+0x1ed/0x520
[  292.064988]  ? ext4_filemap_fault+0x7a/0xad
[  292.069319]  ? lock_release+0xa00/0xa00
[  292.073298]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.078758]  ? print_usage_bug+0xc0/0xc0
[  292.082827]  ? print_usage_bug+0xc0/0xc0
[  292.086907]  ? down_read+0x8d/0x120
[  292.090536]  ? ext4_filemap_fault+0x7a/0xad
[  292.094880]  ? __down_interruptible+0x700/0x700
[  292.099578]  ext4_filemap_fault+0x82/0xad
[  292.103735]  __do_fault+0x100/0x6b0
[  292.107374]  ? pmd_devmap_trans_unstable+0x220/0x220
[  292.112517]  ? mark_held_locks+0x130/0x130
[  292.116761]  ? mark_held_locks+0x130/0x130
[  292.121003]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  292.126570]  ? rcu_pm_notify+0xc0/0xc0
[  292.130472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.136025]  __handle_mm_fault+0x3ea0/0x5be0
[  292.140460]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  292.145304]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.149814]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.154406]  ? trace_hardirqs_on+0xbd/0x310
[  292.158740]  ? kasan_check_read+0x11/0x20
[  292.162895]  ? __set_current_blocked+0xdf/0x120
[  292.167573]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.172704]  ? zap_class+0x640/0x640
[  292.176426]  ? zap_class+0x640/0x640
[  292.180154]  ? find_held_lock+0x36/0x1c0
[  292.184236]  ? handle_mm_fault+0x42a/0xc70
[  292.188493]  ? lock_downgrade+0x900/0x900
[  292.192645]  ? check_preemption_disabled+0x48/0x280
[  292.197772]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.202746]  ? kasan_check_read+0x11/0x20
[  292.206899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.212176]  ? rcu_softirq_qs+0x20/0x20
[  292.216156]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.221269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.226814]  ? check_preemption_disabled+0x48/0x280
[  292.231845]  handle_mm_fault+0x54f/0xc70
[  292.235911]  ? __handle_mm_fault+0x5be0/0x5be0
[  292.240504]  ? find_vma+0x34/0x190
[  292.244062]  __do_page_fault+0x5e8/0xe60
[  292.248149]  ? exit_to_usermode_loop+0x1f4/0x380
[  292.252920]  do_page_fault+0xf2/0x7e0
[  292.256725]  ? vmalloc_sync_all+0x30/0x30
[  292.260875]  ? error_entry+0x70/0xd0
[  292.264595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.269608]  ? trace_hardirqs_on_caller+0xc0/0x310
[  292.274568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.279499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.284388]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.289421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.294886]  ? prepare_exit_to_usermode+0x291/0x3b0
[  292.299906]  ? page_fault+0x8/0x30
[  292.303449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.308326]  ? page_fault+0x8/0x30
[  292.311867]  page_fault+0x1e/0x30
[  292.315322] RIP: 0033:0x45db60
[  292.318533] Code: Bad RIP value.
[  292.321890] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  292.327248] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  292.334516] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  292.341785] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  292.349067] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  292.356352] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  292.363687] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  292.363777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.369929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.369938] Call Trace:
[  292.376601] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.385767]  <IRQ>
[  292.388336] syz-fuzzer cpuset=/ mems_allowed=0
[  292.398565]  dump_stack+0x244/0x39d
[  292.408912]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.414145]  warn_alloc.cold.116+0xb7/0x1bd
[  292.418507]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.423360]  ? lock_downgrade+0x900/0x900
[  292.427527]  ? trace_hardirqs_off+0xb8/0x310
[  292.431951]  ? trace_hardirqs_off+0xb8/0x310
[  292.436378]  __alloc_pages_slowpath+0x26e8/0x2e10
[  292.441258]  ? warn_alloc+0x120/0x120
[  292.445086]  ? print_usage_bug+0xc0/0xc0
[  292.449170]  ? warn_alloc+0x120/0x120
[  292.452977]  ? warn_alloc+0x120/0x120
[  292.456783]  ? print_usage_bug+0xc0/0xc0
[  292.460862]  ? print_usage_bug+0xc0/0xc0
[  292.464923]  ? __lock_acquire+0x62f/0x4c20
[  292.469171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.474717]  ? should_fail+0x22d/0xd01
[  292.478627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.483736]  ? __lock_acquire+0x62f/0x4c20
[  292.487997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.493107]  ? __lock_acquire+0x62f/0x4c20
[  292.497342]  ? should_fail+0x22d/0xd01
[  292.501232]  ? find_held_lock+0x36/0x1c0
[  292.505311]  ? mark_held_locks+0x130/0x130
[  292.509559]  ? mark_held_locks+0x130/0x130
[  292.513792]  ? zap_class+0x640/0x640
[  292.517521]  ? zap_class+0x640/0x640
[  292.521241]  ? print_usage_bug+0xc0/0xc0
[  292.525301]  ? do_raw_spin_unlock+0xa7/0x330
[  292.529730]  ? zap_class+0x640/0x640
[  292.533443]  ? print_usage_bug+0xc0/0xc0
[  292.537519]  ? wq_watchdog_touch+0x9c/0xfe
[  292.541762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.547310]  ? check_preemption_disabled+0x48/0x280
[  292.552347]  ? __lock_is_held+0xb5/0x140
[  292.556418]  __alloc_pages_nodemask+0xa80/0xde0
[  292.561274]  ? zap_class+0x640/0x640
[  292.565003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.570048]  ? find_held_lock+0x36/0x1c0
[  292.574124]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.578797]  ? lock_downgrade+0x900/0x900
[  292.582955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.588504]  cache_grow_begin+0xa5/0x8c0
[  292.592571]  ? do_raw_spin_unlock+0xa7/0x330
[  292.596989]  fallback_alloc+0x204/0x2e0
[  292.600969]  ____cache_alloc_node+0x1c7/0x1e0
[  292.605484]  kmem_cache_alloc_node+0xe3/0x730
[  292.609986]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.614236]  __alloc_skb+0x119/0x770
[  292.617955]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.623259]  ? netdev_alloc_frag+0x1f0/0x1f0
[  292.627675]  ? lock_downgrade+0x900/0x900
[  292.631831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.637384]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.642845]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.648309]  ? addrconf_rs_timer+0x690/0x690
[  292.652765]  ndisc_alloc_skb+0x144/0x340
[  292.656837]  ndisc_send_rs+0x331/0x6e0
[  292.660746]  addrconf_rs_timer+0x314/0x690
[  292.664985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.669229]  call_timer_fn+0x272/0x920
[  292.673114]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.677343]  ? process_timeout+0x40/0x40
[  292.681424]  ? mark_held_locks+0xc7/0x130
[  292.685567]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.690261]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.694749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.698979]  ? lockdep_hardirqs_on+0x296/0x5b0
[  292.703561]  ? trace_hardirqs_on+0xbd/0x310
[  292.707912]  ? kasan_check_read+0x11/0x20
[  292.712087]  ? __run_timers+0x7da/0xc70
[  292.716061]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.721161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.725394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.729619]  __run_timers+0x7e5/0xc70
[  292.733442]  ? timer_fixup_init+0x70/0x70
[  292.737589]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  292.742601]  ? zap_class+0x640/0x640
[  292.746322]  ? print_usage_bug+0xc0/0xc0
[  292.750386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.755617]  ? find_held_lock+0x36/0x1c0
[  292.759684]  ? zap_class+0x640/0x640
[  292.763416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.768953]  ? check_preemption_disabled+0x48/0x280
[  292.773974]  ? __lock_is_held+0xb5/0x140
[  292.778039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.783595]  ? check_preemption_disabled+0x48/0x280
[  292.788625]  run_timer_softirq+0x52/0xb0
[  292.792698]  ? rcu_read_lock_sched_held+0x14f/0x180
[  292.797727]  __do_softirq+0x308/0xb7e
[  292.801539]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  292.806047]  ? lock_downgrade+0x900/0x900
[  292.810209]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  292.815362]  ? pvclock_read_flags+0x160/0x160
[  292.819865]  ? lapic_next_event+0x5a/0x90
[  292.824057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.829605]  ? kvm_clock_read+0x18/0x30
[  292.833580]  ? kvm_sched_clock_read+0x9/0x20
[  292.837999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.843566]  ? check_preemption_disabled+0x48/0x280
[  292.848595]  irq_exit+0x17f/0x1c0
[  292.852081]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.856925]  ? smp_reschedule_interrupt+0x109/0x650
[  292.861946]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.867837]  ? interrupt_entry+0xb5/0xc0
[  292.871907]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.876925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.881964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.886810]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.891827]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.896850]  ? task_prio+0x50/0x50
[  292.900398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.905945]  ? check_preemption_disabled+0x48/0x280
[  292.910986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.915841]  apic_timer_interrupt+0xf/0x20
[  292.920076]  </IRQ>
[  292.922337] RIP: 0010:dump_stack+0x358/0x39d
[  292.926746] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  292.945692] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  292.953428] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  292.960713] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  292.967993] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  292.975277] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  292.982568] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  292.989894]  ? dump_stack+0x34f/0x39d
[  292.993717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.998954]  ? mark_held_locks+0x130/0x130
[  293.003196]  ? mark_held_locks+0x130/0x130
[  293.007456]  dump_header+0x27b/0xf72
[  293.011192]  ? pagefault_out_of_memory+0x197/0x197
[  293.016136]  ? __lock_acquire+0x62f/0x4c20
[  293.020380]  ? percpu_ref_get_many+0x240/0x240
[  293.024966]  ? print_usage_bug+0xc0/0xc0
[  293.029041]  ? zap_class+0x640/0x640
[  293.032763]  ? print_usage_bug+0xc0/0xc0
[  293.036833]  ? print_usage_bug+0xc0/0xc0
[  293.040894]  ? zap_class+0x640/0x640
[  293.044613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.050153]  ? find_held_lock+0x36/0x1c0
[  293.054247]  ? mark_held_locks+0xc7/0x130
[  293.058428]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.063542]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.068647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  293.073232]  ? trace_hardirqs_on+0xbd/0x310
[  293.077582]  ? kasan_check_read+0x11/0x20
[  293.081760]  ? ___ratelimit+0x3b4/0x672
[  293.085747]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.090866]  ? trace_hardirqs_on+0x310/0x310
[  293.095276]  ? lock_downgrade+0x900/0x900
[  293.099440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.104548]  ? ___ratelimit+0x3b9/0x672
[  293.108524]  ? idr_get_free+0xf70/0xf70
[  293.112501]  ? find_held_lock+0x36/0x1c0
[  293.116606]  oom_kill_process.cold.27+0x10/0x903
[  293.121370]  ? zap_class+0x640/0x640
[  293.125093]  ? check_preemption_disabled+0x48/0x280
[  293.130122]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.135059]  ? kasan_check_read+0x11/0x20
[  293.139210]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.144495]  ? oom_evaluate_task+0x540/0x540
[  293.148911]  ? find_held_lock+0x36/0x1c0
[  293.152986]  ? out_of_memory+0x974/0x1430
[  293.157143]  ? lock_downgrade+0x900/0x900
[  293.161297]  ? check_preemption_disabled+0x48/0x280
[  293.166331]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.171264]  ? kasan_check_read+0x11/0x20
[  293.175418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.180701]  ? rcu_softirq_qs+0x20/0x20
[  293.184687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.190228]  ? oom_evaluate_task+0x302/0x540
[  293.194645]  out_of_memory+0xa84/0x1430
[  293.198638]  ? oom_killer_disable+0x3a0/0x3a0
[  293.203140]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  293.208094]  ? __ww_mutex_check_waiters+0x160/0x160
[  293.213142]  __alloc_pages_slowpath+0x2354/0x2e10
[  293.218022]  ? warn_alloc+0x120/0x120
[  293.221838]  ? mark_held_locks+0x130/0x130
[  293.226098]  ? find_get_entry+0xaae/0x1120
[  293.230364]  ? filemap_map_pages+0x1a20/0x1a20
[  293.234967]  ? zap_class+0x640/0x640
[  293.238694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.244254]  ? check_preemption_disabled+0x48/0x280
[  293.249282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.254833]  ? should_fail+0x22d/0xd01
[  293.258733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.263842]  ? zap_class+0x640/0x640
[  293.267582]  ? __lock_is_held+0xb5/0x140
[  293.271652]  ? mark_held_locks+0x130/0x130
[  293.275896]  ? lock_release+0xa00/0xa00
[  293.279879]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.285347]  ? xa_load+0x2ba/0x460
[  293.288894]  ? lock_downgrade+0x900/0x900
[  293.293087]  ? __might_sleep+0x95/0x190
[  293.297081]  __alloc_pages_nodemask+0xa80/0xde0
[  293.301763]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.306797]  ? __page_cache_alloc+0x191/0x5c0
[  293.311295]  ? xa_load+0x2e1/0x460
[  293.314881]  ? xa_clear_mark+0x40/0x40
[  293.318782]  ? zap_class+0x640/0x640
[  293.322507]  ? zap_class+0x640/0x640
[  293.326224]  ? zap_class+0x640/0x640
[  293.329943]  ? __do_page_cache_readahead+0x663/0x810
[  293.335065]  ? find_held_lock+0x36/0x1c0
[  293.339146]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  293.344712]  alloc_pages_current+0x173/0x350
[  293.349134]  __page_cache_alloc+0x38c/0x5c0
[  293.353455]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.358412]  ? kasan_check_read+0x11/0x20
[  293.362568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.367851]  ? generic_perform_write+0x6a0/0x6a0
[  293.372614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.378182]  ? check_preemption_disabled+0x48/0x280
[  293.383204]  filemap_fault+0x1595/0x25f0
[  293.387277]  ? __lock_page_or_retry+0xa00/0xa00
[  293.391956]  ? mark_held_locks+0x130/0x130
[  293.396202]  ? filemap_map_pages+0xd6b/0x1a20
[  293.400699]  ? lock_downgrade+0x900/0x900
[  293.404846]  ? check_preemption_disabled+0x48/0x280
[  293.409865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.414794]  ? kasan_check_read+0x11/0x20
[  293.418940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.424213]  ? rcu_softirq_qs+0x20/0x20
[  293.428202]  ? filemap_map_pages+0xd92/0x1a20
[  293.432723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.438269]  ? find_get_entries_tag+0x1400/0x1400
[  293.443120]  ? __lock_acquire+0x62f/0x4c20
[  293.447368]  ? lock_acquire+0x1ed/0x520
[  293.451341]  ? ext4_filemap_fault+0x7a/0xad
[  293.455669]  ? lock_release+0xa00/0xa00
[  293.459656]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.465116]  ? print_usage_bug+0xc0/0xc0
[  293.469179]  ? print_usage_bug+0xc0/0xc0
[  293.473255]  ? down_read+0x8d/0x120
[  293.476876]  ? ext4_filemap_fault+0x7a/0xad
[  293.481199]  ? __down_interruptible+0x700/0x700
[  293.485877]  ext4_filemap_fault+0x82/0xad
[  293.490026]  __do_fault+0x100/0x6b0
[  293.493663]  ? pmd_devmap_trans_unstable+0x220/0x220
[  293.498768]  ? mark_held_locks+0x130/0x130
[  293.503007]  ? mark_held_locks+0x130/0x130
[  293.507248]  ? find_held_lock+0x36/0x1c0
[  293.511317]  ? find_held_lock+0x36/0x1c0
[  293.515381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.520927]  __handle_mm_fault+0x3ea0/0x5be0
[  293.525340]  ? poll_select_copy_remaining+0x18c/0x6a0
[  293.530538]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  293.535417]  ? __might_fault+0x12b/0x1e0
[  293.539520]  ? lock_downgrade+0x900/0x900
[  293.543675]  ? zap_class+0x640/0x640
[  293.547397]  ? zap_class+0x640/0x640
[  293.551109]  ? find_held_lock+0x36/0x1c0
[  293.555176]  ? handle_mm_fault+0x42a/0xc70
[  293.559420]  ? lock_downgrade+0x900/0x900
[  293.563570]  ? check_preemption_disabled+0x48/0x280
[  293.568584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.573503]  ? kasan_check_read+0x11/0x20
[  293.577657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.582933]  ? rcu_softirq_qs+0x20/0x20
[  293.586903]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.592005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.597543]  ? check_preemption_disabled+0x48/0x280
[  293.602558]  handle_mm_fault+0x54f/0xc70
[  293.606617]  ? __handle_mm_fault+0x5be0/0x5be0
[  293.611206]  ? find_vma+0x34/0x190
[  293.614754]  __do_page_fault+0x5e8/0xe60
[  293.618810]  ? trace_hardirqs_off+0xb8/0x310
[  293.623228]  do_page_fault+0xf2/0x7e0
[  293.627027]  ? vmalloc_sync_all+0x30/0x30
[  293.631185]  ? error_entry+0x70/0xd0
[  293.634894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.639909]  ? trace_hardirqs_on_caller+0xc0/0x310
[  293.644838]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.649763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.654600]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.659612]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.665062]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  293.670078]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.675096]  ? page_fault+0x8/0x30
[  293.678653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.683492]  ? page_fault+0x8/0x30
[  293.687024]  page_fault+0x1e/0x30
[  293.690495] RIP: 0033:0x7fafaecd0dd3
[  293.694218] Code: Bad RIP value.
[  293.697582] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  293.702967] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  293.710230] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  293.717510] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  293.724775] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  293.732041] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  293.739332] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  293.739338] warn_alloc_show_mem: 1 callbacks suppressed
[  293.739344] Mem-Info:
[  293.746353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.751723] active_anon:50685 inactive_anon:189 isolated_anon:0
[  293.751723]  active_file:14 inactive_file:14 isolated_file:0
[  293.751723]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.751723]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  293.751723]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  293.751723]  free:13759 free_pcp:552 free_cma:0
[  293.754093] Call Trace:
[  293.763473] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  293.796318]  <IRQ>
[  293.798886] 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
[  293.826291]  dump_stack+0x244/0x39d
[  293.828429] lowmem_reserve[]: 0 2818 6321 6321
[  293.854538]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.858138] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  293.862719]  warn_alloc.cold.116+0xb7/0x1bd
[  293.867875] lowmem_reserve[]: 0 0 3503 3503
[  293.895451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.899738] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  293.899760] lowmem_reserve[]: 0 0 0 0
[  293.899768] 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
[  293.899808] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  293.904154]  ? lock_downgrade+0x900/0x900
[  293.908964] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  293.938041]  ? trace_hardirqs_off+0xb8/0x310
[  293.941831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.955336]  ? trace_hardirqs_off+0xb8/0x310
[  293.970675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.974817]  __alloc_pages_slowpath+0x26e8/0x2e10
[  293.989869] 272 total pagecache pages
[  293.994292]  ? warn_alloc+0x120/0x120
[  294.003091] 0 pages in swap cache
[  294.007491]  ? print_usage_bug+0xc0/0xc0
[  294.016071] Swap cache stats: add 0, delete 0, find 0/0
[  294.020898]  ? warn_alloc+0x120/0x120
[  294.024672] Free swap  = 0kB
[  294.028460]  ? warn_alloc+0x120/0x120
[  294.031888] Total swap = 0kB
[  294.035937]  ? print_usage_bug+0xc0/0xc0
[  294.041273] 1965979 pages RAM
[  294.045069]  ? kvm_clock_read+0x18/0x30
[  294.048077] 0 pages HighMem/MovableOnly
[  294.051882]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.054874] 342853 pages reserved
[  294.058919]  ? print_usage_bug+0xc0/0xc0
[  294.061994] 0 pages cma reserved
[  294.065951]  ? __lock_acquire+0x62f/0x4c20
[  294.069966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.074895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.074911]  ? should_fail+0x22d/0xd01
[  294.074926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.078416] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.082406]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.085747] init cpuset=/ mems_allowed=0
[  294.089986]  ? __lock_acquire+0x62f/0x4c20
[  294.134186]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.139287]  ? __lock_acquire+0x62f/0x4c20
[  294.143520]  ? should_fail+0x22d/0xd01
[  294.147401]  ? rcu_irq_exit+0x1a2/0x390
[  294.151395]  ? mark_held_locks+0x130/0x130
[  294.155646]  ? mark_held_locks+0x130/0x130
[  294.159885]  ? mark_held_locks+0xc7/0x130
[  294.164041]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  294.169062]  ? zap_class+0x640/0x640
[  294.172778]  ? print_usage_bug+0xc0/0xc0
[  294.176848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.182419]  ? check_preemption_disabled+0x48/0x280
[  294.187444]  ? __lock_is_held+0xb5/0x140
[  294.191519]  __alloc_pages_nodemask+0xa80/0xde0
[  294.196212]  ? zap_class+0x640/0x640
[  294.199924]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.204944]  ? find_held_lock+0x36/0x1c0
[  294.209039]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.213707]  ? lock_downgrade+0x900/0x900
[  294.217857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.223408]  cache_grow_begin+0xa5/0x8c0
[  294.227468]  ? do_raw_spin_unlock+0xa7/0x330
[  294.231881]  fallback_alloc+0x204/0x2e0
[  294.235868]  ____cache_alloc_node+0x1c7/0x1e0
[  294.240367]  kmem_cache_alloc_node+0xe3/0x730
[  294.244861]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.249103]  __alloc_skb+0x119/0x770
[  294.252818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.258100]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.262507]  ? lock_downgrade+0x900/0x900
[  294.266660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.272209]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.277662]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.283113]  ? addrconf_rs_timer+0x690/0x690
[  294.287531]  ndisc_alloc_skb+0x144/0x340
[  294.291595]  ndisc_send_rs+0x331/0x6e0
[  294.295490]  addrconf_rs_timer+0x314/0x690
[  294.299744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.303985]  call_timer_fn+0x272/0x920
[  294.307867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.312100]  ? process_timeout+0x40/0x40
[  294.316172]  ? mark_held_locks+0xc7/0x130
[  294.320338]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.324852]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.329346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.333579]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.338161]  ? trace_hardirqs_on+0xbd/0x310
[  294.342479]  ? kasan_check_read+0x11/0x20
[  294.346641]  ? __run_timers+0x7da/0xc70
[  294.350653]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.355774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.360015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.364251]  __run_timers+0x7e5/0xc70
[  294.368068]  ? timer_fixup_init+0x70/0x70
[  294.372222]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.377237]  ? zap_class+0x640/0x640
[  294.380951]  ? print_usage_bug+0xc0/0xc0
[  294.385015]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.390218]  ? find_held_lock+0x36/0x1c0
[  294.394283]  ? zap_class+0x640/0x640
[  294.397996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.403543]  ? check_preemption_disabled+0x48/0x280
[  294.408562]  ? __lock_is_held+0xb5/0x140
[  294.412632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.418166]  ? check_preemption_disabled+0x48/0x280
[  294.423215]  run_timer_softirq+0x52/0xb0
[  294.427275]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.432292]  __do_softirq+0x308/0xb7e
[  294.436122]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.440630]  ? lock_downgrade+0x900/0x900
[  294.444815]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.449931]  ? pvclock_read_flags+0x160/0x160
[  294.454430]  ? lapic_next_event+0x5a/0x90
[  294.458582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.464124]  ? kvm_clock_read+0x18/0x30
[  294.468097]  ? kvm_sched_clock_read+0x9/0x20
[  294.472504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.478047]  ? check_preemption_disabled+0x48/0x280
[  294.483073]  irq_exit+0x17f/0x1c0
[  294.486528]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.491371]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.497255]  ? interrupt_entry+0xb5/0xc0
[  294.501347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.506365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.511395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.516277]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.521290]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.526314]  ? task_prio+0x50/0x50
[  294.529884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.535420]  ? check_preemption_disabled+0x48/0x280
[  294.540453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.545300]  apic_timer_interrupt+0xf/0x20
[  294.549524]  </IRQ>
[  294.551772] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  294.556961] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  294.575848] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  294.583547] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  294.590830] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  294.598091] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  294.605355] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  294.612817] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  294.620108]  shrink_active_list+0x14eb/0x1f00
[  294.624621]  ? shrink_inactive_list+0x1c60/0x1c60
[  294.629465]  ? trace_hardirqs_on+0xbd/0x310
[  294.633786]  ? shrink_inactive_list+0xa4a/0x1c60
[  294.638554]  ? mark_held_locks+0x130/0x130
[  294.642789]  ? __lock_acquire+0x62f/0x4c20
[  294.647039]  ? print_usage_bug+0xc0/0xc0
[  294.651108]  ? mark_held_locks+0x130/0x130
[  294.655348]  ? mark_held_locks+0x130/0x130
[  294.659581]  ? print_usage_bug+0xc0/0xc0
[  294.663660]  ? __lock_acquire+0x62f/0x4c20
[  294.667908]  ? zap_class+0x640/0x640
[  294.671618]  ? zap_class+0x640/0x640
[  294.675335]  ? mark_held_locks+0x130/0x130
[  294.679568]  ? zap_class+0x640/0x640
[  294.683282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.689408]  ? check_preemption_disabled+0x48/0x280
[  294.694445]  ? __lock_is_held+0xb5/0x140
[  294.698544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.703562]  ? inactive_list_is_low+0x305/0x880
[  294.708234]  ? lruvec_lru_size+0x450/0x450
[  294.712473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.718026]  ? lruvec_lru_size+0x2ab/0x450
[  294.722268]  ? percpu_ref_put_many+0x13e/0x260
[  294.726854]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  294.731789]  ? find_held_lock+0x36/0x1c0
[  294.735866]  shrink_node_memcg+0x803/0x18f0
[  294.740211]  ? shrink_active_list+0x1f00/0x1f00
[  294.744906]  ? lock_downgrade+0x900/0x900
[  294.749084]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.754225]  ? cgroup_procs_write_finish+0xf0/0xf0
[  294.759166]  ? _raw_spin_unlock+0x2c/0x50
[  294.763325]  shrink_node+0x3bc/0x16b0
[  294.767134]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  294.772440]  ? shrink_node_memcg+0x18f0/0x18f0
[  294.777037]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  294.781624]  ? trace_hardirqs_on+0xbd/0x310
[  294.785948]  ? vmpressure+0x271/0x340
[  294.789752]  ? do_raw_spin_unlock+0xa7/0x330
[  294.794177]  ? do_raw_spin_trylock+0x270/0x270
[  294.798791]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.804339]  ? __cpuset_node_allowed+0x19b/0x660
[  294.809115]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  294.814851]  ? vmpressure+0x1a2/0x340
[  294.818667]  do_try_to_free_pages+0x3e7/0x1290
[  294.823249]  ? zap_class+0x640/0x640
[  294.826991]  ? shrink_node+0x16b0/0x16b0
[  294.831058]  ? __lock_is_held+0xb5/0x140
[  294.835139]  try_to_free_pages+0x4d0/0xb90
[  294.839385]  ? do_try_to_free_pages+0x1290/0x1290
[  294.844253]  ? lock_acquire+0x1ed/0x520
[  294.848228]  ? set_page_refcounted+0x280/0x280
[  294.852817]  ? lock_release+0xa00/0xa00
[  294.856795]  ? _raw_spin_unlock_irq+0x60/0x80
[  294.861295]  ? psi_memstall_enter+0x240/0x2b0
[  294.865791]  ? psi_memstall_tick+0x230/0x230
[  294.870213]  __alloc_pages_slowpath+0xa14/0x2e10
[  294.874994]  ? warn_alloc+0x120/0x120
[  294.878818]  ? mark_held_locks+0x130/0x130
[  294.883074]  ? find_get_entry+0xaae/0x1120
[  294.887315]  ? filemap_map_pages+0x1a20/0x1a20
[  294.891901]  ? zap_class+0x640/0x640
[  294.895616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.901157]  ? check_preemption_disabled+0x48/0x280
[  294.906176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.911719]  ? should_fail+0x22d/0xd01
[  294.915659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.920769]  ? zap_class+0x640/0x640
[  294.924512]  ? __lock_is_held+0xb5/0x140
[  294.928585]  ? mark_held_locks+0x130/0x130
[  294.932831]  ? lock_release+0xa00/0xa00
[  294.936811]  ? perf_trace_sched_process_exec+0x860/0x860
[  294.942268]  ? xa_load+0x2ba/0x460
[  294.945831]  ? lock_downgrade+0x900/0x900
[  294.950005]  ? __might_sleep+0x95/0x190
[  294.953996]  __alloc_pages_nodemask+0xa80/0xde0
[  294.958688]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.963713]  ? __page_cache_alloc+0x191/0x5c0
[  294.968227]  ? xa_load+0x2e1/0x460
[  294.971770]  ? xa_clear_mark+0x40/0x40
[  294.975671]  ? zap_class+0x640/0x640
[  294.979397]  ? zap_class+0x640/0x640
[  294.983116]  ? zap_class+0x640/0x640
[  294.986837]  ? __do_page_cache_readahead+0x663/0x810
[  294.991966]  ? find_held_lock+0x36/0x1c0
[  294.996070]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  295.001622]  alloc_pages_current+0x173/0x350
[  295.006048]  __page_cache_alloc+0x38c/0x5c0
[  295.010371]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.015305]  ? kasan_check_read+0x11/0x20
[  295.019473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.024784]  ? generic_perform_write+0x6a0/0x6a0
[  295.029567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.035126]  ? check_preemption_disabled+0x48/0x280
[  295.040168]  filemap_fault+0x1595/0x25f0
[  295.044252]  ? __lock_page_or_retry+0xa00/0xa00
[  295.048939]  ? mark_held_locks+0x130/0x130
[  295.053202]  ? filemap_map_pages+0xd6b/0x1a20
[  295.057718]  ? lock_downgrade+0x900/0x900
[  295.061874]  ? check_preemption_disabled+0x48/0x280
[  295.066918]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.071853]  ? kasan_check_read+0x11/0x20
[  295.076006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.081322]  ? rcu_softirq_qs+0x20/0x20
[  295.085315]  ? filemap_map_pages+0xd92/0x1a20
[  295.089863]  ? print_usage_bug+0xc0/0xc0
[  295.093931]  ? find_get_entries_tag+0x1400/0x1400
[  295.098772]  ? __kasan_slab_free+0x102/0x150
[  295.103191]  ? kasan_slab_free+0xe/0x10
[  295.107164]  ? kmem_cache_free+0x83/0x290
[  295.111330]  ? __sigqueue_free.part.29+0x74/0x90
[  295.116109]  ? lock_acquire+0x1ed/0x520
[  295.120094]  ? ext4_filemap_fault+0x7a/0xad
[  295.124425]  ? lock_release+0xa00/0xa00
[  295.128427]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.133901]  ? print_usage_bug+0xc0/0xc0
[  295.137978]  ? print_usage_bug+0xc0/0xc0
[  295.142078]  ? down_read+0x8d/0x120
[  295.145717]  ? ext4_filemap_fault+0x7a/0xad
[  295.150065]  ? __down_interruptible+0x700/0x700
[  295.154745]  ext4_filemap_fault+0x82/0xad
[  295.158899]  __do_fault+0x100/0x6b0
[  295.162531]  ? pmd_devmap_trans_unstable+0x220/0x220
[  295.167641]  ? mark_held_locks+0x130/0x130
[  295.171894]  ? mark_held_locks+0x130/0x130
[  295.176134]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  295.181678]  ? rcu_pm_notify+0xc0/0xc0
[  295.185574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.191120]  __handle_mm_fault+0x3ea0/0x5be0
[  295.195545]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  295.200417]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.204969]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.209558]  ? trace_hardirqs_on+0xbd/0x310
[  295.213883]  ? kasan_check_read+0x11/0x20
[  295.218039]  ? __set_current_blocked+0xdf/0x120
[  295.222713]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.227834]  ? zap_class+0x640/0x640
[  295.231547]  ? zap_class+0x640/0x640
[  295.235271]  ? find_held_lock+0x36/0x1c0
[  295.239343]  ? handle_mm_fault+0x42a/0xc70
[  295.243593]  ? lock_downgrade+0x900/0x900
[  295.247745]  ? check_preemption_disabled+0x48/0x280
[  295.252765]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.257697]  ? kasan_check_read+0x11/0x20
[  295.261850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.267142]  ? rcu_softirq_qs+0x20/0x20
[  295.271151]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.276260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.281814]  ? check_preemption_disabled+0x48/0x280
[  295.286848]  handle_mm_fault+0x54f/0xc70
[  295.290924]  ? __handle_mm_fault+0x5be0/0x5be0
[  295.295511]  ? find_vma+0x34/0x190
[  295.299090]  __do_page_fault+0x5e8/0xe60
[  295.303159]  ? exit_to_usermode_loop+0x1f4/0x380
[  295.307943]  do_page_fault+0xf2/0x7e0
[  295.311760]  ? vmalloc_sync_all+0x30/0x30
[  295.315908]  ? error_entry+0x70/0xd0
[  295.319624]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.324640]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.329603]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.334534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.339390]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.344427]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.349885]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.354901]  ? page_fault+0x8/0x30
[  295.358445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.363297]  ? page_fault+0x8/0x30
[  295.366855]  page_fault+0x1e/0x30
[  295.370306] RIP: 0033:0x45db60
[  295.373528] Code: Bad RIP value.
[  295.376888] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  295.382264] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  295.389532] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  295.396810] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  295.404082] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  295.411364] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  295.418682] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  295.418766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.424924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.424930] Call Trace:
[  295.424938]  <IRQ>
[  295.424969]  dump_stack+0x244/0x39d
[  295.424988]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.431570] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.440836]  warn_alloc.cold.116+0xb7/0x1bd
[  295.443393] syz-fuzzer cpuset=/ mems_allowed=0
[  295.445536]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.478257]  ? lock_downgrade+0x900/0x900
[  295.482438]  ? trace_hardirqs_off+0xb8/0x310
[  295.486885]  ? trace_hardirqs_off+0xb8/0x310
[  295.491327]  __alloc_pages_slowpath+0x26e8/0x2e10
[  295.496203]  ? warn_alloc+0x120/0x120
[  295.500025]  ? print_usage_bug+0xc0/0xc0
[  295.504105]  ? warn_alloc+0x120/0x120
[  295.507917]  ? warn_alloc+0x120/0x120
[  295.511731]  ? print_usage_bug+0xc0/0xc0
[  295.515813]  ? print_usage_bug+0xc0/0xc0
[  295.519882]  ? __lock_acquire+0x62f/0x4c20
[  295.524127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.529667]  ? should_fail+0x22d/0xd01
[  295.533559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.538668]  ? __lock_acquire+0x62f/0x4c20
[  295.542909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.548037]  ? __lock_acquire+0x62f/0x4c20
[  295.552278]  ? should_fail+0x22d/0xd01
[  295.556174]  ? find_held_lock+0x36/0x1c0
[  295.560259]  ? mark_held_locks+0x130/0x130
[  295.564519]  ? mark_held_locks+0x130/0x130
[  295.568749]  ? zap_class+0x640/0x640
[  295.572485]  ? zap_class+0x640/0x640
[  295.576197]  ? print_usage_bug+0xc0/0xc0
[  295.580250]  ? do_raw_spin_unlock+0xa7/0x330
[  295.584659]  ? zap_class+0x640/0x640
[  295.588388]  ? print_usage_bug+0xc0/0xc0
[  295.592449]  ? wq_watchdog_touch+0x9c/0xfe
[  295.596688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.602230]  ? check_preemption_disabled+0x48/0x280
[  295.607264]  ? __lock_is_held+0xb5/0x140
[  295.611359]  __alloc_pages_nodemask+0xa80/0xde0
[  295.616047]  ? zap_class+0x640/0x640
[  295.619798]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.624829]  ? find_held_lock+0x36/0x1c0
[  295.628908]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.633581]  ? lock_downgrade+0x900/0x900
[  295.637742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.643291]  cache_grow_begin+0xa5/0x8c0
[  295.647362]  ? do_raw_spin_unlock+0xa7/0x330
[  295.651777]  fallback_alloc+0x204/0x2e0
[  295.655752]  ____cache_alloc_node+0x1c7/0x1e0
[  295.660267]  kmem_cache_alloc_node+0xe3/0x730
[  295.664762]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.669001]  __alloc_skb+0x119/0x770
[  295.672718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.677992]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.682391]  ? lock_downgrade+0x900/0x900
[  295.686562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.692096]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.697543]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.703005]  ? addrconf_rs_timer+0x690/0x690
[  295.707446]  ndisc_alloc_skb+0x144/0x340
[  295.711540]  ndisc_send_rs+0x331/0x6e0
[  295.715426]  addrconf_rs_timer+0x314/0x690
[  295.719672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.723905]  call_timer_fn+0x272/0x920
[  295.727786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.732018]  ? process_timeout+0x40/0x40
[  295.736089]  ? mark_held_locks+0xc7/0x130
[  295.740250]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.744737]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.749226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.753503]  ? lockdep_hardirqs_on+0x296/0x5b0
[  295.758126]  ? trace_hardirqs_on+0xbd/0x310
[  295.762467]  ? kasan_check_read+0x11/0x20
[  295.766619]  ? __run_timers+0x7da/0xc70
[  295.770630]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.775739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.779975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.784209]  __run_timers+0x7e5/0xc70
[  295.788020]  ? timer_fixup_init+0x70/0x70
[  295.792194]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.797232]  ? zap_class+0x640/0x640
[  295.800951]  ? print_usage_bug+0xc0/0xc0
[  295.805039]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.810277]  ? find_held_lock+0x36/0x1c0
[  295.814351]  ? zap_class+0x640/0x640
[  295.818074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.823682]  ? check_preemption_disabled+0x48/0x280
[  295.828723]  ? __lock_is_held+0xb5/0x140
[  295.832790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.838338]  ? check_preemption_disabled+0x48/0x280
[  295.843364]  run_timer_softirq+0x52/0xb0
[  295.847425]  ? rcu_read_lock_sched_held+0x14f/0x180
[  295.852445]  __do_softirq+0x308/0xb7e
[  295.856251]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  295.860746]  ? lock_downgrade+0x900/0x900
[  295.864904]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  295.870019]  ? pvclock_read_flags+0x160/0x160
[  295.874528]  ? lapic_next_event+0x5a/0x90
[  295.878682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.884229]  ? kvm_clock_read+0x18/0x30
[  295.888205]  ? kvm_sched_clock_read+0x9/0x20
[  295.892621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.898165]  ? check_preemption_disabled+0x48/0x280
[  295.903192]  irq_exit+0x17f/0x1c0
[  295.906648]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.911516]  ? smp_reschedule_interrupt+0x109/0x650
[  295.916538]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.922425]  ? interrupt_entry+0xb5/0xc0
[  295.926491]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.931522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.936545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.941399]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.946433]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.951456]  ? task_prio+0x50/0x50
[  295.955007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.960565]  ? check_preemption_disabled+0x48/0x280
[  295.965596]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.970467]  apic_timer_interrupt+0xf/0x20
[  295.974721]  </IRQ>
[  295.976964] RIP: 0010:dump_stack+0x358/0x39d
[  295.981375] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  296.000294] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  296.008027] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  296.015328] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  296.022629] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  296.029926] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  296.037207] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  296.044544]  ? dump_stack+0x34f/0x39d
[  296.048384]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.053589]  ? mark_held_locks+0x130/0x130
[  296.057837]  ? mark_held_locks+0x130/0x130
[  296.062088]  dump_header+0x27b/0xf72
[  296.065851]  ? pagefault_out_of_memory+0x197/0x197
[  296.070791]  ? __lock_acquire+0x62f/0x4c20
[  296.075054]  ? percpu_ref_get_many+0x240/0x240
[  296.079673]  ? print_usage_bug+0xc0/0xc0
[  296.083738]  ? zap_class+0x640/0x640
[  296.087452]  ? print_usage_bug+0xc0/0xc0
[  296.091512]  ? print_usage_bug+0xc0/0xc0
[  296.095594]  ? zap_class+0x640/0x640
[  296.099317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.104864]  ? find_held_lock+0x36/0x1c0
[  296.108942]  ? mark_held_locks+0xc7/0x130
[  296.113096]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.118204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.123378]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.127965]  ? trace_hardirqs_on+0xbd/0x310
[  296.132289]  ? kasan_check_read+0x11/0x20
[  296.136443]  ? ___ratelimit+0x3b4/0x672
[  296.140421]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.145545]  ? trace_hardirqs_on+0x310/0x310
[  296.149973]  ? lock_downgrade+0x900/0x900
[  296.154126]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.159248]  ? ___ratelimit+0x3b9/0x672
[  296.163230]  ? idr_get_free+0xf70/0xf70
[  296.167242]  ? find_held_lock+0x36/0x1c0
[  296.171339]  oom_kill_process.cold.27+0x10/0x903
[  296.176110]  ? zap_class+0x640/0x640
[  296.179831]  ? check_preemption_disabled+0x48/0x280
[  296.184862]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.189815]  ? kasan_check_read+0x11/0x20
[  296.193966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.199250]  ? oom_evaluate_task+0x540/0x540
[  296.203668]  ? find_held_lock+0x36/0x1c0
[  296.207762]  ? out_of_memory+0x974/0x1430
[  296.211919]  ? lock_downgrade+0x900/0x900
[  296.216076]  ? check_preemption_disabled+0x48/0x280
[  296.221116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.226061]  ? kasan_check_read+0x11/0x20
[  296.230218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.235508]  ? rcu_softirq_qs+0x20/0x20
[  296.239492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.245040]  ? oom_evaluate_task+0x302/0x540
[  296.249469]  out_of_memory+0xa84/0x1430
[  296.253511]  ? oom_killer_disable+0x3a0/0x3a0
[  296.258008]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  296.262954]  ? __ww_mutex_check_waiters+0x160/0x160
[  296.267989]  __alloc_pages_slowpath+0x2354/0x2e10
[  296.272869]  ? warn_alloc+0x120/0x120
[  296.276674]  ? mark_held_locks+0x130/0x130
[  296.280921]  ? find_get_entry+0xaae/0x1120
[  296.285165]  ? filemap_map_pages+0x1a20/0x1a20
[  296.289753]  ? zap_class+0x640/0x640
[  296.293478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.299020]  ? check_preemption_disabled+0x48/0x280
[  296.304075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.309632]  ? should_fail+0x22d/0xd01
[  296.313530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.318639]  ? zap_class+0x640/0x640
[  296.322407]  ? __lock_is_held+0xb5/0x140
[  296.326479]  ? mark_held_locks+0x130/0x130
[  296.330719]  ? lock_release+0xa00/0xa00
[  296.334708]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.340163]  ? xa_load+0x2ba/0x460
[  296.343708]  ? lock_downgrade+0x900/0x900
[  296.347860]  ? __might_sleep+0x95/0x190
[  296.351842]  __alloc_pages_nodemask+0xa80/0xde0
[  296.356541]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  296.361562]  ? __page_cache_alloc+0x191/0x5c0
[  296.366064]  ? xa_load+0x2e1/0x460
[  296.369611]  ? xa_clear_mark+0x40/0x40
[  296.373507]  ? zap_class+0x640/0x640
[  296.377227]  ? zap_class+0x640/0x640
[  296.380943]  ? zap_class+0x640/0x640
[  296.384675]  ? __do_page_cache_readahead+0x663/0x810
[  296.389784]  ? find_held_lock+0x36/0x1c0
[  296.393850]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  296.399399]  alloc_pages_current+0x173/0x350
[  296.403820]  __page_cache_alloc+0x38c/0x5c0
[  296.408164]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.413096]  ? kasan_check_read+0x11/0x20
[  296.417265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.422563]  ? generic_perform_write+0x6a0/0x6a0
[  296.427331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.432881]  ? check_preemption_disabled+0x48/0x280
[  296.437919]  filemap_fault+0x1595/0x25f0
[  296.441996]  ? __lock_page_or_retry+0xa00/0xa00
[  296.446679]  ? mark_held_locks+0x130/0x130
[  296.450926]  ? filemap_map_pages+0xd6b/0x1a20
[  296.455432]  ? lock_downgrade+0x900/0x900
[  296.459589]  ? check_preemption_disabled+0x48/0x280
[  296.464635]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.469574]  ? kasan_check_read+0x11/0x20
[  296.473728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.479008]  ? rcu_softirq_qs+0x20/0x20
[  296.483066]  ? filemap_map_pages+0xd92/0x1a20
[  296.487578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.493130]  ? find_get_entries_tag+0x1400/0x1400
[  296.497996]  ? __lock_acquire+0x62f/0x4c20
[  296.502258]  ? lock_acquire+0x1ed/0x520
[  296.506237]  ? ext4_filemap_fault+0x7a/0xad
[  296.510572]  ? lock_release+0xa00/0xa00
[  296.514553]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.520021]  ? print_usage_bug+0xc0/0xc0
[  296.524104]  ? print_usage_bug+0xc0/0xc0
[  296.528182]  ? down_read+0x8d/0x120
[  296.531814]  ? ext4_filemap_fault+0x7a/0xad
[  296.536141]  ? __down_interruptible+0x700/0x700
[  296.540826]  ext4_filemap_fault+0x82/0xad
[  296.544982]  __do_fault+0x100/0x6b0
[  296.548621]  ? pmd_devmap_trans_unstable+0x220/0x220
[  296.553736]  ? mark_held_locks+0x130/0x130
[  296.558226]  ? mark_held_locks+0x130/0x130
[  296.562465]  ? find_held_lock+0x36/0x1c0
[  296.566533]  ? find_held_lock+0x36/0x1c0
[  296.570599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.576148]  __handle_mm_fault+0x3ea0/0x5be0
[  296.580562]  ? poll_select_copy_remaining+0x18c/0x6a0
[  296.585766]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  296.590621]  ? __might_fault+0x12b/0x1e0
[  296.594695]  ? lock_downgrade+0x900/0x900
[  296.598861]  ? zap_class+0x640/0x640
[  296.602592]  ? zap_class+0x640/0x640
[  296.606320]  ? find_held_lock+0x36/0x1c0
[  296.610398]  ? handle_mm_fault+0x42a/0xc70
[  296.614637]  ? lock_downgrade+0x900/0x900
[  296.618790]  ? check_preemption_disabled+0x48/0x280
[  296.623834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.628766]  ? kasan_check_read+0x11/0x20
[  296.632962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.638268]  ? rcu_softirq_qs+0x20/0x20
[  296.642244]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.647369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.652942]  ? check_preemption_disabled+0x48/0x280
[  296.657973]  handle_mm_fault+0x54f/0xc70
[  296.662055]  ? __handle_mm_fault+0x5be0/0x5be0
[  296.666648]  ? find_vma+0x34/0x190
[  296.670207]  __do_page_fault+0x5e8/0xe60
[  296.674273]  ? trace_hardirqs_off+0xb8/0x310
[  296.678704]  do_page_fault+0xf2/0x7e0
[  296.682528]  ? vmalloc_sync_all+0x30/0x30
[  296.686680]  ? error_entry+0x70/0xd0
[  296.690519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.695540]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.700474]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.705410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.710260]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.715290]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.720763]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  296.725797]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.730814]  ? page_fault+0x8/0x30
[  296.734362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.739223]  ? page_fault+0x8/0x30
[  296.742799]  page_fault+0x1e/0x30
[  296.746259] RIP: 0033:0x7fafaecd0dd3
[  296.749988] Code: Bad RIP value.
[  296.753354] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  296.758716] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  296.765984] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  296.773256] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  296.780540] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  296.787866] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  296.795188] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  296.795194] warn_alloc_show_mem: 1 callbacks suppressed
[  296.795202] Mem-Info:
[  296.802230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.807599] active_anon:50685 inactive_anon:189 isolated_anon:0
[  296.807599]  active_file:14 inactive_file:14 isolated_file:0
[  296.807599]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.807599]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  296.807599]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  296.807599]  free:13759 free_pcp:552 free_cma:0
[  296.809971] Call Trace:
[  296.819369] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.852233]  <IRQ>
[  296.854816] 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
[  296.882249]  dump_stack+0x244/0x39d
[  296.884369] lowmem_reserve[]: 0 2818 6321 6321
[  296.910556]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.914151] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  296.918733]  warn_alloc.cold.116+0xb7/0x1bd
[  296.923889] lowmem_reserve[]: 0 0 3503 3503
[  296.951493]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.955785] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  296.960105]  ? lock_downgrade+0x900/0x900
[  296.964922] lowmem_reserve[]: 0 0 0 0
[  296.994101]  ? trace_hardirqs_off+0xb8/0x310
[  296.998222] 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
[  297.002061]  ? trace_hardirqs_off+0xb8/0x310
[  297.006444] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  297.019986]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.024388] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  297.039786]  ? warn_alloc+0x120/0x120
[  297.044598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.059707]  ? print_usage_bug+0xc0/0xc0
[  297.063490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.072339]  ? warn_alloc+0x120/0x120
[  297.076379] 272 total pagecache pages
[  297.084968]  ? warn_alloc+0x120/0x120
[  297.088747] 0 pages in swap cache
[  297.092535]  ? print_usage_bug+0xc0/0xc0
[  297.096311] Swap cache stats: add 0, delete 0, find 0/0
[  297.099761]  ? kvm_clock_read+0x18/0x30
[  297.103788] Free swap  = 0kB
[  297.109148]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  297.113090] Total swap = 0kB
[  297.116103]  ? print_usage_bug+0xc0/0xc0
[  297.121090] 1965979 pages RAM
[  297.124133]  ? __lock_acquire+0x62f/0x4c20
[  297.128161] 0 pages HighMem/MovableOnly
[  297.131264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.135484] 342853 pages reserved
[  297.139451]  ? should_fail+0x22d/0xd01
[  297.144957] 0 pages cma reserved
[  297.148408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.152351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.155635]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.160955] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.167377]  ? __lock_acquire+0x62f/0x4c20
[  297.172454] init cpuset=/ mems_allowed=0
[  297.182166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.195544]  ? __lock_acquire+0x62f/0x4c20
[  297.199785]  ? should_fail+0x22d/0xd01
[  297.203672]  ? rcu_irq_exit+0x1a2/0x390
[  297.207659]  ? mark_held_locks+0x130/0x130
[  297.211897]  ? mark_held_locks+0x130/0x130
[  297.216136]  ? mark_held_locks+0xc7/0x130
[  297.220286]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  297.225303]  ? zap_class+0x640/0x640
[  297.229020]  ? print_usage_bug+0xc0/0xc0
[  297.233105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.238648]  ? check_preemption_disabled+0x48/0x280
[  297.243676]  ? __lock_is_held+0xb5/0x140
[  297.247744]  __alloc_pages_nodemask+0xa80/0xde0
[  297.252419]  ? zap_class+0x640/0x640
[  297.256140]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.261186]  ? find_held_lock+0x36/0x1c0
[  297.265257]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.269931]  ? lock_downgrade+0x900/0x900
[  297.274093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.279655]  cache_grow_begin+0xa5/0x8c0
[  297.283716]  ? do_raw_spin_unlock+0xa7/0x330
[  297.288129]  fallback_alloc+0x204/0x2e0
[  297.292109]  ____cache_alloc_node+0x1c7/0x1e0
[  297.296605]  kmem_cache_alloc_node+0xe3/0x730
[  297.301102]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.305344]  __alloc_skb+0x119/0x770
[  297.309062]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.314341]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.318766]  ? lock_downgrade+0x900/0x900
[  297.322926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.328471]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.333927]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.339404]  ? addrconf_rs_timer+0x690/0x690
[  297.343840]  ndisc_alloc_skb+0x144/0x340
[  297.347907]  ndisc_send_rs+0x331/0x6e0
[  297.351800]  addrconf_rs_timer+0x314/0x690
[  297.356053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.360342]  call_timer_fn+0x272/0x920
[  297.364239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.368482]  ? process_timeout+0x40/0x40
[  297.372563]  ? mark_held_locks+0xc7/0x130
[  297.376715]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.381210]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.385703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.389935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.394521]  ? trace_hardirqs_on+0xbd/0x310
[  297.398841]  ? kasan_check_read+0x11/0x20
[  297.402989]  ? __run_timers+0x7da/0xc70
[  297.406964]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.412074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.416307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.420573]  __run_timers+0x7e5/0xc70
[  297.424398]  ? timer_fixup_init+0x70/0x70
[  297.428566]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.433586]  ? zap_class+0x640/0x640
[  297.437302]  ? print_usage_bug+0xc0/0xc0
[  297.441400]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  297.446599]  ? find_held_lock+0x36/0x1c0
[  297.450711]  ? zap_class+0x640/0x640
[  297.454466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.460037]  ? check_preemption_disabled+0x48/0x280
[  297.465083]  ? __lock_is_held+0xb5/0x140
[  297.469152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.474698]  ? check_preemption_disabled+0x48/0x280
[  297.479722]  run_timer_softirq+0x52/0xb0
[  297.483789]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.488824]  __do_softirq+0x308/0xb7e
[  297.492654]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.497150]  ? lock_downgrade+0x900/0x900
[  297.501305]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.506423]  ? pvclock_read_flags+0x160/0x160
[  297.510924]  ? lapic_next_event+0x5a/0x90
[  297.515080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.520636]  ? kvm_clock_read+0x18/0x30
[  297.524620]  ? kvm_sched_clock_read+0x9/0x20
[  297.529046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.534601]  ? check_preemption_disabled+0x48/0x280
[  297.539646]  irq_exit+0x17f/0x1c0
[  297.543109]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.547955]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.553838]  ? interrupt_entry+0xb5/0xc0
[  297.557901]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.562915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.567933]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.572780]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.577814]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.582833]  ? task_prio+0x50/0x50
[  297.586381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.591957]  ? check_preemption_disabled+0x48/0x280
[  297.596995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.601844]  apic_timer_interrupt+0xf/0x20
[  297.606070]  </IRQ>
[  297.608313] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  297.613423] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  297.632340] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.640058] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  297.647319] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  297.654588] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  297.661854] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  297.669130] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  297.676488]  shrink_active_list+0x14eb/0x1f00
[  297.681003]  ? shrink_inactive_list+0x1c60/0x1c60
[  297.685853]  ? trace_hardirqs_on+0xbd/0x310
[  297.690168]  ? shrink_inactive_list+0xa4a/0x1c60
[  297.694930]  ? mark_held_locks+0x130/0x130
[  297.699162]  ? __lock_acquire+0x62f/0x4c20
[  297.703439]  ? print_usage_bug+0xc0/0xc0
[  297.707502]  ? mark_held_locks+0x130/0x130
[  297.711750]  ? mark_held_locks+0x130/0x130
[  297.715997]  ? print_usage_bug+0xc0/0xc0
[  297.720057]  ? __lock_acquire+0x62f/0x4c20
[  297.724302]  ? zap_class+0x640/0x640
[  297.728007]  ? zap_class+0x640/0x640
[  297.731726]  ? mark_held_locks+0x130/0x130
[  297.735955]  ? zap_class+0x640/0x640
[  297.739726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.745306]  ? check_preemption_disabled+0x48/0x280
[  297.750327]  ? __lock_is_held+0xb5/0x140
[  297.754413]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.759461]  ? inactive_list_is_low+0x305/0x880
[  297.764133]  ? lruvec_lru_size+0x450/0x450
[  297.768374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.773907]  ? lruvec_lru_size+0x2ab/0x450
[  297.778138]  ? percpu_ref_put_many+0x13e/0x260
[  297.782739]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  297.787668]  ? find_held_lock+0x36/0x1c0
[  297.791734]  shrink_node_memcg+0x803/0x18f0
[  297.796083]  ? shrink_active_list+0x1f00/0x1f00
[  297.800768]  ? lock_downgrade+0x900/0x900
[  297.804929]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.810059]  ? cgroup_procs_write_finish+0xf0/0xf0
[  297.815016]  ? _raw_spin_unlock+0x2c/0x50
[  297.819241]  shrink_node+0x3bc/0x16b0
[  297.823070]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  297.828381]  ? shrink_node_memcg+0x18f0/0x18f0
[  297.832967]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.837555]  ? trace_hardirqs_on+0xbd/0x310
[  297.841890]  ? vmpressure+0x271/0x340
[  297.845696]  ? do_raw_spin_unlock+0xa7/0x330
[  297.850105]  ? do_raw_spin_trylock+0x270/0x270
[  297.854703]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.860260]  ? __cpuset_node_allowed+0x19b/0x660
[  297.865039]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  297.870763]  ? vmpressure+0x1a2/0x340
[  297.874581]  do_try_to_free_pages+0x3e7/0x1290
[  297.879164]  ? zap_class+0x640/0x640
[  297.882910]  ? shrink_node+0x16b0/0x16b0
[  297.886967]  ? __lock_is_held+0xb5/0x140
[  297.891061]  try_to_free_pages+0x4d0/0xb90
[  297.895300]  ? do_try_to_free_pages+0x1290/0x1290
[  297.900155]  ? lock_acquire+0x1ed/0x520
[  297.904132]  ? set_page_refcounted+0x280/0x280
[  297.908748]  ? lock_release+0xa00/0xa00
[  297.912729]  ? _raw_spin_unlock_irq+0x60/0x80
[  297.917250]  ? psi_memstall_enter+0x240/0x2b0
[  297.921752]  ? psi_memstall_tick+0x230/0x230
[  297.926177]  __alloc_pages_slowpath+0xa14/0x2e10
[  297.930976]  ? warn_alloc+0x120/0x120
[  297.934778]  ? mark_held_locks+0x130/0x130
[  297.939020]  ? find_get_entry+0xaae/0x1120
[  297.943273]  ? filemap_map_pages+0x1a20/0x1a20
[  297.947860]  ? zap_class+0x640/0x640
[  297.951610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.957145]  ? check_preemption_disabled+0x48/0x280
[  297.962174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.967739]  ? should_fail+0x22d/0xd01
[  297.971643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.976754]  ? zap_class+0x640/0x640
[  297.980496]  ? __lock_is_held+0xb5/0x140
[  297.984585]  ? mark_held_locks+0x130/0x130
[  297.988829]  ? lock_release+0xa00/0xa00
[  297.992807]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.998275]  ? xa_load+0x2ba/0x460
[  298.001825]  ? lock_downgrade+0x900/0x900
[  298.005982]  ? __might_sleep+0x95/0x190
[  298.009964]  __alloc_pages_nodemask+0xa80/0xde0
[  298.014646]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.019668]  ? __page_cache_alloc+0x191/0x5c0
[  298.024167]  ? xa_load+0x2e1/0x460
[  298.027711]  ? xa_clear_mark+0x40/0x40
[  298.031635]  ? zap_class+0x640/0x640
[  298.035358]  ? zap_class+0x640/0x640
[  298.039071]  ? zap_class+0x640/0x640
[  298.042790]  ? __do_page_cache_readahead+0x663/0x810
[  298.047910]  ? find_held_lock+0x36/0x1c0
[  298.051985]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  298.057533]  alloc_pages_current+0x173/0x350
[  298.061947]  __page_cache_alloc+0x38c/0x5c0
[  298.066264]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.071193]  ? kasan_check_read+0x11/0x20
[  298.075343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.080628]  ? generic_perform_write+0x6a0/0x6a0
[  298.085390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.090935]  ? check_preemption_disabled+0x48/0x280
[  298.095963]  filemap_fault+0x1595/0x25f0
[  298.100046]  ? __lock_page_or_retry+0xa00/0xa00
[  298.104722]  ? mark_held_locks+0x130/0x130
[  298.108967]  ? filemap_map_pages+0xd6b/0x1a20
[  298.113466]  ? lock_downgrade+0x900/0x900
[  298.117704]  ? check_preemption_disabled+0x48/0x280
[  298.122724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.127654]  ? kasan_check_read+0x11/0x20
[  298.131808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.137103]  ? rcu_softirq_qs+0x20/0x20
[  298.141099]  ? filemap_map_pages+0xd92/0x1a20
[  298.145602]  ? print_usage_bug+0xc0/0xc0
[  298.149674]  ? find_get_entries_tag+0x1400/0x1400
[  298.154517]  ? __kasan_slab_free+0x102/0x150
[  298.158927]  ? kasan_slab_free+0xe/0x10
[  298.162906]  ? kmem_cache_free+0x83/0x290
[  298.167063]  ? __sigqueue_free.part.29+0x74/0x90
[  298.171850]  ? lock_acquire+0x1ed/0x520
[  298.175849]  ? ext4_filemap_fault+0x7a/0xad
[  298.180175]  ? lock_release+0xa00/0xa00
[  298.184148]  ? perf_trace_sched_process_exec+0x860/0x860
[  298.189619]  ? print_usage_bug+0xc0/0xc0
[  298.193710]  ? print_usage_bug+0xc0/0xc0
[  298.197782]  ? down_read+0x8d/0x120
[  298.201411]  ? ext4_filemap_fault+0x7a/0xad
[  298.205735]  ? __down_interruptible+0x700/0x700
[  298.210412]  ext4_filemap_fault+0x82/0xad
[  298.214564]  __do_fault+0x100/0x6b0
[  298.218203]  ? pmd_devmap_trans_unstable+0x220/0x220
[  298.223314]  ? mark_held_locks+0x130/0x130
[  298.227583]  ? mark_held_locks+0x130/0x130
[  298.231842]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  298.237388]  ? rcu_pm_notify+0xc0/0xc0
[  298.241291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.246842]  __handle_mm_fault+0x3ea0/0x5be0
[  298.251269]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  298.256122]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.260638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.265227]  ? trace_hardirqs_on+0xbd/0x310
[  298.269555]  ? kasan_check_read+0x11/0x20
[  298.273728]  ? __set_current_blocked+0xdf/0x120
[  298.278406]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.283539]  ? zap_class+0x640/0x640
[  298.287247]  ? zap_class+0x640/0x640
[  298.290980]  ? find_held_lock+0x36/0x1c0
[  298.295061]  ? handle_mm_fault+0x42a/0xc70
[  298.299301]  ? lock_downgrade+0x900/0x900
[  298.303456]  ? check_preemption_disabled+0x48/0x280
[  298.308476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.313421]  ? kasan_check_read+0x11/0x20
[  298.317570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.322845]  ? rcu_softirq_qs+0x20/0x20
[  298.326823]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.331932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.337473]  ? check_preemption_disabled+0x48/0x280
[  298.342504]  handle_mm_fault+0x54f/0xc70
[  298.346583]  ? __handle_mm_fault+0x5be0/0x5be0
[  298.351216]  ? find_vma+0x34/0x190
[  298.354768]  __do_page_fault+0x5e8/0xe60
[  298.358841]  ? exit_to_usermode_loop+0x1f4/0x380
[  298.363609]  do_page_fault+0xf2/0x7e0
[  298.367427]  ? vmalloc_sync_all+0x30/0x30
[  298.371577]  ? error_entry+0x70/0xd0
[  298.375308]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.380358]  ? trace_hardirqs_on_caller+0xc0/0x310
[  298.385292]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.390225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.395080]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.400150]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.405627]  ? prepare_exit_to_usermode+0x291/0x3b0
[  298.410656]  ? page_fault+0x8/0x30
[  298.414214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.419072]  ? page_fault+0x8/0x30
[  298.422616]  page_fault+0x1e/0x30
[  298.426073] RIP: 0033:0x45db60
[  298.429282] Code: Bad RIP value.
[  298.432656] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  298.438019] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  298.445297] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  298.452567] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  298.459836] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  298.467116] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  298.474427] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  298.474527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.480669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.480679] Call Trace:
[  298.487306] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.496521]  <IRQ>
[  298.499106] syz-fuzzer cpuset=/ mems_allowed=0
[  298.509379]  dump_stack+0x244/0x39d
[  298.519705]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.524934]  warn_alloc.cold.116+0xb7/0x1bd
[  298.529283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.534156]  ? lock_downgrade+0x900/0x900
[  298.538320]  ? trace_hardirqs_off+0xb8/0x310
[  298.542742]  ? trace_hardirqs_off+0xb8/0x310
[  298.547210]  __alloc_pages_slowpath+0x26e8/0x2e10
[  298.552104]  ? warn_alloc+0x120/0x120
[  298.555913]  ? print_usage_bug+0xc0/0xc0
[  298.560243]  ? warn_alloc+0x120/0x120
[  298.564058]  ? warn_alloc+0x120/0x120
[  298.567902]  ? print_usage_bug+0xc0/0xc0
[  298.571969]  ? print_usage_bug+0xc0/0xc0
[  298.576038]  ? __lock_acquire+0x62f/0x4c20
[  298.580317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.585858]  ? should_fail+0x22d/0xd01
[  298.589752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.594893]  ? __lock_acquire+0x62f/0x4c20
[  298.599138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.604246]  ? __lock_acquire+0x62f/0x4c20
[  298.608488]  ? should_fail+0x22d/0xd01
[  298.612383]  ? find_held_lock+0x36/0x1c0
[  298.616456]  ? mark_held_locks+0x130/0x130
[  298.620699]  ? mark_held_locks+0x130/0x130
[  298.624936]  ? zap_class+0x640/0x640
[  298.628665]  ? zap_class+0x640/0x640
[  298.632412]  ? print_usage_bug+0xc0/0xc0
[  298.636473]  ? do_raw_spin_unlock+0xa7/0x330
[  298.640883]  ? zap_class+0x640/0x640
[  298.644604]  ? print_usage_bug+0xc0/0xc0
[  298.648668]  ? wq_watchdog_touch+0x9c/0xfe
[  298.652910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.658471]  ? check_preemption_disabled+0x48/0x280
[  298.663505]  ? __lock_is_held+0xb5/0x140
[  298.667585]  __alloc_pages_nodemask+0xa80/0xde0
[  298.672258]  ? zap_class+0x640/0x640
[  298.675979]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.681010]  ? find_held_lock+0x36/0x1c0
[  298.685098]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.689951]  ? lock_downgrade+0x900/0x900
[  298.694111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.699658]  cache_grow_begin+0xa5/0x8c0
[  298.703743]  ? do_raw_spin_unlock+0xa7/0x330
[  298.708192]  fallback_alloc+0x204/0x2e0
[  298.712175]  ____cache_alloc_node+0x1c7/0x1e0
[  298.716681]  kmem_cache_alloc_node+0xe3/0x730
[  298.721178]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.725422]  __alloc_skb+0x119/0x770
[  298.729140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.734420]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.738827]  ? lock_downgrade+0x900/0x900
[  298.742975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.748505]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.753986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.759429]  ? addrconf_rs_timer+0x690/0x690
[  298.763842]  ndisc_alloc_skb+0x144/0x340
[  298.767931]  ndisc_send_rs+0x331/0x6e0
[  298.771841]  addrconf_rs_timer+0x314/0x690
[  298.776078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.780325]  call_timer_fn+0x272/0x920
[  298.784207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.788436]  ? process_timeout+0x40/0x40
[  298.792524]  ? mark_held_locks+0xc7/0x130
[  298.796675]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.801181]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.805670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.809900]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.814475]  ? trace_hardirqs_on+0xbd/0x310
[  298.818787]  ? kasan_check_read+0x11/0x20
[  298.822927]  ? __run_timers+0x7da/0xc70
[  298.826896]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.831998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.836229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.840473]  __run_timers+0x7e5/0xc70
[  298.844294]  ? timer_fixup_init+0x70/0x70
[  298.848446]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.853459]  ? zap_class+0x640/0x640
[  298.857200]  ? print_usage_bug+0xc0/0xc0
[  298.861257]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.866444]  ? find_held_lock+0x36/0x1c0
[  298.870516]  ? zap_class+0x640/0x640
[  298.874230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.879763]  ? check_preemption_disabled+0x48/0x280
[  298.884797]  ? __lock_is_held+0xb5/0x140
[  298.888883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.894414]  ? check_preemption_disabled+0x48/0x280
[  298.899442]  run_timer_softirq+0x52/0xb0
[  298.903504]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.908526]  __do_softirq+0x308/0xb7e
[  298.912334]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  298.916846]  ? lock_downgrade+0x900/0x900
[  298.920996]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.926113]  ? pvclock_read_flags+0x160/0x160
[  298.930614]  ? lapic_next_event+0x5a/0x90
[  298.934795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.940348]  ? kvm_clock_read+0x18/0x30
[  298.944328]  ? kvm_sched_clock_read+0x9/0x20
[  298.948740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.954278]  ? check_preemption_disabled+0x48/0x280
[  298.959312]  irq_exit+0x17f/0x1c0
[  298.962798]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.967639]  ? smp_reschedule_interrupt+0x109/0x650
[  298.972659]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.978540]  ? interrupt_entry+0xb5/0xc0
[  298.982602]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.987617]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.992636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.997477]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.002493]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.007512]  ? task_prio+0x50/0x50
[  299.011060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.016596]  ? check_preemption_disabled+0x48/0x280
[  299.021616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.026469]  apic_timer_interrupt+0xf/0x20
[  299.030702]  </IRQ>
[  299.032957] RIP: 0010:dump_stack+0x358/0x39d
[  299.037379] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  299.056275] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  299.064012] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  299.071283] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  299.078588] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  299.085855] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  299.093121] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  299.100414]  ? dump_stack+0x34f/0x39d
[  299.104224]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.109414]  ? mark_held_locks+0x130/0x130
[  299.113650]  ? mark_held_locks+0x130/0x130
[  299.117886]  dump_header+0x27b/0xf72
[  299.121612]  ? pagefault_out_of_memory+0x197/0x197
[  299.126548]  ? __lock_acquire+0x62f/0x4c20
[  299.130787]  ? percpu_ref_get_many+0x240/0x240
[  299.135384]  ? print_usage_bug+0xc0/0xc0
[  299.139451]  ? zap_class+0x640/0x640
[  299.143198]  ? print_usage_bug+0xc0/0xc0
[  299.147260]  ? print_usage_bug+0xc0/0xc0
[  299.151339]  ? zap_class+0x640/0x640
[  299.155062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.160622]  ? find_held_lock+0x36/0x1c0
[  299.164693]  ? mark_held_locks+0xc7/0x130
[  299.168836]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  299.173938]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  299.179058]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  299.183644]  ? trace_hardirqs_on+0xbd/0x310
[  299.187962]  ? kasan_check_read+0x11/0x20
[  299.192105]  ? ___ratelimit+0x3b4/0x672
[  299.196113]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.201214]  ? trace_hardirqs_on+0x310/0x310
[  299.205617]  ? lock_downgrade+0x900/0x900
[  299.209765]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.214860]  ? ___ratelimit+0x3b9/0x672
[  299.218829]  ? idr_get_free+0xf70/0xf70
[  299.222798]  ? find_held_lock+0x36/0x1c0
[  299.226860]  oom_kill_process.cold.27+0x10/0x903
[  299.231610]  ? zap_class+0x640/0x640
[  299.235327]  ? check_preemption_disabled+0x48/0x280
[  299.240369]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.245315]  ? kasan_check_read+0x11/0x20
[  299.249463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.254735]  ? oom_evaluate_task+0x540/0x540
[  299.259144]  ? find_held_lock+0x36/0x1c0
[  299.263210]  ? out_of_memory+0x974/0x1430
[  299.267351]  ? lock_downgrade+0x900/0x900
[  299.271492]  ? check_preemption_disabled+0x48/0x280
[  299.276538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.281489]  ? kasan_check_read+0x11/0x20
[  299.285654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.290925]  ? rcu_softirq_qs+0x20/0x20
[  299.294894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.300420]  ? oom_evaluate_task+0x302/0x540
[  299.304828]  out_of_memory+0xa84/0x1430
[  299.308805]  ? oom_killer_disable+0x3a0/0x3a0
[  299.313296]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  299.318227]  ? __ww_mutex_check_waiters+0x160/0x160
[  299.323249]  __alloc_pages_slowpath+0x2354/0x2e10
[  299.328114]  ? warn_alloc+0x120/0x120
[  299.331909]  ? mark_held_locks+0x130/0x130
[  299.336145]  ? find_get_entry+0xaae/0x1120
[  299.340382]  ? filemap_map_pages+0x1a20/0x1a20
[  299.344964]  ? zap_class+0x640/0x640
[  299.348722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.354260]  ? check_preemption_disabled+0x48/0x280
[  299.359276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.364812]  ? should_fail+0x22d/0xd01
[  299.368720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.373836]  ? zap_class+0x640/0x640
[  299.377572]  ? __lock_is_held+0xb5/0x140
[  299.381653]  ? mark_held_locks+0x130/0x130
[  299.385903]  ? lock_release+0xa00/0xa00
[  299.389891]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.395338]  ? xa_load+0x2ba/0x460
[  299.398874]  ? lock_downgrade+0x900/0x900
[  299.403023]  ? __might_sleep+0x95/0x190
[  299.407009]  __alloc_pages_nodemask+0xa80/0xde0
[  299.411691]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.416704]  ? __page_cache_alloc+0x191/0x5c0
[  299.421216]  ? xa_load+0x2e1/0x460
[  299.424755]  ? xa_clear_mark+0x40/0x40
[  299.428641]  ? zap_class+0x640/0x640
[  299.432382]  ? zap_class+0x640/0x640
[  299.436109]  ? zap_class+0x640/0x640
[  299.439820]  ? __do_page_cache_readahead+0x663/0x810
[  299.444923]  ? find_held_lock+0x36/0x1c0
[  299.448988]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  299.454529]  alloc_pages_current+0x173/0x350
[  299.458943]  __page_cache_alloc+0x38c/0x5c0
[  299.463268]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.468198]  ? kasan_check_read+0x11/0x20
[  299.472346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.477662]  ? generic_perform_write+0x6a0/0x6a0
[  299.482433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.487970]  ? check_preemption_disabled+0x48/0x280
[  299.492994]  filemap_fault+0x1595/0x25f0
[  299.497072]  ? __lock_page_or_retry+0xa00/0xa00
[  299.501743]  ? mark_held_locks+0x130/0x130
[  299.505983]  ? filemap_map_pages+0xd6b/0x1a20
[  299.510490]  ? lock_downgrade+0x900/0x900
[  299.514638]  ? check_preemption_disabled+0x48/0x280
[  299.519684]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.524611]  ? kasan_check_read+0x11/0x20
[  299.528759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.534040]  ? rcu_softirq_qs+0x20/0x20
[  299.538037]  ? filemap_map_pages+0xd92/0x1a20
[  299.542536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.548078]  ? find_get_entries_tag+0x1400/0x1400
[  299.552922]  ? __lock_acquire+0x62f/0x4c20
[  299.557168]  ? lock_acquire+0x1ed/0x520
[  299.561140]  ? ext4_filemap_fault+0x7a/0xad
[  299.565491]  ? lock_release+0xa00/0xa00
[  299.569461]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.574921]  ? print_usage_bug+0xc0/0xc0
[  299.578980]  ? print_usage_bug+0xc0/0xc0
[  299.583060]  ? down_read+0x8d/0x120
[  299.586697]  ? ext4_filemap_fault+0x7a/0xad
[  299.591021]  ? __down_interruptible+0x700/0x700
[  299.595708]  ext4_filemap_fault+0x82/0xad
[  299.599871]  __do_fault+0x100/0x6b0
[  299.603503]  ? pmd_devmap_trans_unstable+0x220/0x220
[  299.608613]  ? mark_held_locks+0x130/0x130
[  299.612868]  ? mark_held_locks+0x130/0x130
[  299.617129]  ? find_held_lock+0x36/0x1c0
[  299.621192]  ? find_held_lock+0x36/0x1c0
[  299.625257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.630799]  __handle_mm_fault+0x3ea0/0x5be0
[  299.635205]  ? poll_select_copy_remaining+0x18c/0x6a0
[  299.640417]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  299.645266]  ? __might_fault+0x12b/0x1e0
[  299.649330]  ? lock_downgrade+0x900/0x900
[  299.653494]  ? zap_class+0x640/0x640
[  299.657204]  ? zap_class+0x640/0x640
[  299.660920]  ? find_held_lock+0x36/0x1c0
[  299.664984]  ? handle_mm_fault+0x42a/0xc70
[  299.669220]  ? lock_downgrade+0x900/0x900
[  299.673390]  ? check_preemption_disabled+0x48/0x280
[  299.678451]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.683374]  ? kasan_check_read+0x11/0x20
[  299.687515]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.692786]  ? rcu_softirq_qs+0x20/0x20
[  299.696773]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.701877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.707450]  ? check_preemption_disabled+0x48/0x280
[  299.712491]  handle_mm_fault+0x54f/0xc70
[  299.716576]  ? __handle_mm_fault+0x5be0/0x5be0
[  299.721161]  ? find_vma+0x34/0x190
[  299.724709]  __do_page_fault+0x5e8/0xe60
[  299.728764]  ? trace_hardirqs_off+0xb8/0x310
[  299.733180]  do_page_fault+0xf2/0x7e0
[  299.736989]  ? vmalloc_sync_all+0x30/0x30
[  299.741129]  ? error_entry+0x70/0xd0
[  299.744836]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.749845]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.754771]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.759694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.764553]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.769562]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.775006]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  299.780025]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.785047]  ? page_fault+0x8/0x30
[  299.788588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.793431]  ? page_fault+0x8/0x30
[  299.796968]  page_fault+0x1e/0x30
[  299.800434] RIP: 0033:0x7fafaecd0dd3
[  299.804156] Code: Bad RIP value.
[  299.807526] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  299.812883] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  299.820145] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  299.827419] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  299.834696] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  299.841954] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  299.849237] warn_alloc_show_mem: 1 callbacks suppressed
[  299.849248] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  299.849250] Mem-Info:
[  299.849281] active_anon:50685 inactive_anon:189 isolated_anon:0
[  299.849281]  active_file:14 inactive_file:14 isolated_file:0
[  299.849281]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.849281]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  299.849281]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  299.849281]  free:13759 free_pcp:552 free_cma:0
[  299.854631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.861641] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.864038] Call Trace:
[  299.896912] 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
[  299.906265]  <IRQ>
[  299.933673] lowmem_reserve[]: 0 2818 6321 6321
[  299.936258]  dump_stack+0x244/0x39d
[  299.962331] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.964483]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.969037] lowmem_reserve[]: 0 0 3503 3503
[  299.972674]  warn_alloc.cold.116+0xb7/0x1bd
[  300.000224] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  300.005403]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.009693] lowmem_reserve[]: 0 0 0 0
[  300.014008]  ? lock_downgrade+0x900/0x900
[  300.043066] 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
[  300.047904]  ? trace_hardirqs_off+0xb8/0x310
[  300.051682] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  300.055825]  ? trace_hardirqs_off+0xb8/0x310
[  300.069327] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  300.073732]  __alloc_pages_slowpath+0x26e8/0x2e10
[  300.089064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  300.093479]  ? warn_alloc+0x120/0x120
[  300.108527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  300.113365]  ? print_usage_bug+0xc0/0xc0
[  300.122172] 272 total pagecache pages
[  300.125967]  ? warn_alloc+0x120/0x120
[  300.134522] 0 pages in swap cache
[  300.138565]  ? warn_alloc+0x120/0x120
[  300.142342] Swap cache stats: add 0, delete 0, find 0/0
[  300.146143]  ? print_usage_bug+0xc0/0xc0
[  300.149572] Free swap  = 0kB
[  300.153365]  ? kvm_clock_read+0x18/0x30
[  300.158696] Total swap = 0kB
[  300.162764]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  300.165793] 1965979 pages RAM
[  300.169774]  ? print_usage_bug+0xc0/0xc0
[  300.172765] 0 pages HighMem/MovableOnly
[  300.177774]  ? __lock_acquire+0x62f/0x4c20
[  300.180856] 342853 pages reserved
[  300.184908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.188853] 0 pages cma reserved
[  300.193080]  ? should_fail+0x22d/0xd01
[  300.196576] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.202024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.202050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.202066]  ? __lock_acquire+0x62f/0x4c20
[  300.205479] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.209291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.215773] init cpuset=/ mems_allowed=0
[  300.221044]  ? __lock_acquire+0x62f/0x4c20
[  300.221060]  ? should_fail+0x22d/0xd01
[  300.257254]  ? rcu_irq_exit+0x1a2/0x390
[  300.261252]  ? mark_held_locks+0x130/0x130
[  300.265504]  ? mark_held_locks+0x130/0x130
[  300.269752]  ? mark_held_locks+0xc7/0x130
[  300.273906]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  300.278927]  ? zap_class+0x640/0x640
[  300.282637]  ? print_usage_bug+0xc0/0xc0
[  300.286701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.292236]  ? check_preemption_disabled+0x48/0x280
[  300.297269]  ? __lock_is_held+0xb5/0x140
[  300.301332]  __alloc_pages_nodemask+0xa80/0xde0
[  300.305993]  ? zap_class+0x640/0x640
[  300.309733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  300.314760]  ? find_held_lock+0x36/0x1c0
[  300.318833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.323501]  ? lock_downgrade+0x900/0x900
[  300.327666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.333206]  cache_grow_begin+0xa5/0x8c0
[  300.337266]  ? do_raw_spin_unlock+0xa7/0x330
[  300.341679]  fallback_alloc+0x204/0x2e0
[  300.345660]  ____cache_alloc_node+0x1c7/0x1e0
[  300.350160]  kmem_cache_alloc_node+0xe3/0x730
[  300.354654]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.358901]  __alloc_skb+0x119/0x770
[  300.362611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.367887]  ? netdev_alloc_frag+0x1f0/0x1f0
[  300.372294]  ? lock_downgrade+0x900/0x900
[  300.376443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.381975]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.387427]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.392877]  ? addrconf_rs_timer+0x690/0x690
[  300.397298]  ndisc_alloc_skb+0x144/0x340
[  300.401357]  ndisc_send_rs+0x331/0x6e0
[  300.405280]  addrconf_rs_timer+0x314/0x690
[  300.409516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.413773]  call_timer_fn+0x272/0x920
[  300.417663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.421904]  ? process_timeout+0x40/0x40
[  300.425969]  ? mark_held_locks+0xc7/0x130
[  300.430142]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.434628]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.439120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.443357]  ? lockdep_hardirqs_on+0x296/0x5b0
[  300.447940]  ? trace_hardirqs_on+0xbd/0x310
[  300.452260]  ? kasan_check_read+0x11/0x20
[  300.456407]  ? __run_timers+0x7da/0xc70
[  300.460382]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.465490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.469730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.473959]  __run_timers+0x7e5/0xc70
[  300.477765]  ? timer_fixup_init+0x70/0x70
[  300.481927]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.486944]  ? zap_class+0x640/0x640
[  300.490662]  ? print_usage_bug+0xc0/0xc0
[  300.494723]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.499922]  ? find_held_lock+0x36/0x1c0
[  300.503989]  ? zap_class+0x640/0x640
[  300.507725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.513265]  ? check_preemption_disabled+0x48/0x280
[  300.518301]  ? __lock_is_held+0xb5/0x140
[  300.522366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.527900]  ? check_preemption_disabled+0x48/0x280
[  300.532921]  run_timer_softirq+0x52/0xb0
[  300.536983]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.541996]  __do_softirq+0x308/0xb7e
[  300.545808]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.550302]  ? lock_downgrade+0x900/0x900
[  300.554449]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.559696]  ? pvclock_read_flags+0x160/0x160
[  300.564196]  ? lapic_next_event+0x5a/0x90
[  300.568346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.573891]  ? kvm_clock_read+0x18/0x30
[  300.577896]  ? kvm_sched_clock_read+0x9/0x20
[  300.582307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.587852]  ? check_preemption_disabled+0x48/0x280
[  300.592886]  irq_exit+0x17f/0x1c0
[  300.596350]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.601204]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.607095]  ? interrupt_entry+0xb5/0xc0
[  300.611163]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.616187]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.621208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.626082]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.631092]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.636121]  ? task_prio+0x50/0x50
[  300.639663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.645201]  ? check_preemption_disabled+0x48/0x280
[  300.650224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.655077]  apic_timer_interrupt+0xf/0x20
[  300.659305]  </IRQ>
[  300.661550] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  300.666652] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  300.685556] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  300.693717] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  300.700995] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  300.708278] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  300.715541] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  300.722812] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  300.730105]  shrink_active_list+0x14eb/0x1f00
[  300.734629]  ? shrink_inactive_list+0x1c60/0x1c60
[  300.739483]  ? trace_hardirqs_on+0xbd/0x310
[  300.743822]  ? shrink_inactive_list+0xa4a/0x1c60
[  300.748583]  ? mark_held_locks+0x130/0x130
[  300.752832]  ? __lock_acquire+0x62f/0x4c20
[  300.757068]  ? print_usage_bug+0xc0/0xc0
[  300.761134]  ? mark_held_locks+0x130/0x130
[  300.765370]  ? mark_held_locks+0x130/0x130
[  300.769624]  ? print_usage_bug+0xc0/0xc0
[  300.773717]  ? __lock_acquire+0x62f/0x4c20
[  300.777948]  ? zap_class+0x640/0x640
[  300.781660]  ? zap_class+0x640/0x640
[  300.785382]  ? mark_held_locks+0x130/0x130
[  300.789613]  ? zap_class+0x640/0x640
[  300.793342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.798908]  ? check_preemption_disabled+0x48/0x280
[  300.803933]  ? __lock_is_held+0xb5/0x140
[  300.808005]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.813022]  ? inactive_list_is_low+0x305/0x880
[  300.817747]  ? lruvec_lru_size+0x450/0x450
[  300.822034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.827563]  ? lruvec_lru_size+0x2ab/0x450
[  300.831798]  ? percpu_ref_put_many+0x13e/0x260
[  300.836386]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  300.841315]  ? find_held_lock+0x36/0x1c0
[  300.845377]  shrink_node_memcg+0x803/0x18f0
[  300.849708]  ? shrink_active_list+0x1f00/0x1f00
[  300.854381]  ? lock_downgrade+0x900/0x900
[  300.858528]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  300.863636]  ? cgroup_procs_write_finish+0xf0/0xf0
[  300.868567]  ? _raw_spin_unlock+0x2c/0x50
[  300.872714]  shrink_node+0x3bc/0x16b0
[  300.876512]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  300.881842]  ? shrink_node_memcg+0x18f0/0x18f0
[  300.886422]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  300.891005]  ? trace_hardirqs_on+0xbd/0x310
[  300.895325]  ? vmpressure+0x271/0x340
[  300.899153]  ? do_raw_spin_unlock+0xa7/0x330
[  300.903557]  ? do_raw_spin_trylock+0x270/0x270
[  300.908140]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.913675]  ? __cpuset_node_allowed+0x19b/0x660
[  300.918424]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  300.924131]  ? vmpressure+0x1a2/0x340
[  300.927941]  do_try_to_free_pages+0x3e7/0x1290
[  300.932548]  ? zap_class+0x640/0x640
[  300.936290]  ? shrink_node+0x16b0/0x16b0
[  300.940354]  ? __lock_is_held+0xb5/0x140
[  300.944430]  try_to_free_pages+0x4d0/0xb90
[  300.948669]  ? do_try_to_free_pages+0x1290/0x1290
[  300.953534]  ? lock_acquire+0x1ed/0x520
[  300.957535]  ? set_page_refcounted+0x280/0x280
[  300.962124]  ? lock_release+0xa00/0xa00
[  300.966100]  ? _raw_spin_unlock_irq+0x60/0x80
[  300.970593]  ? psi_memstall_enter+0x240/0x2b0
[  300.975092]  ? psi_memstall_tick+0x230/0x230
[  300.979515]  __alloc_pages_slowpath+0xa14/0x2e10
[  300.984298]  ? warn_alloc+0x120/0x120
[  300.988095]  ? mark_held_locks+0x130/0x130
[  300.992340]  ? find_get_entry+0xaae/0x1120
[  300.996585]  ? filemap_map_pages+0x1a20/0x1a20
[  301.001180]  ? zap_class+0x640/0x640
[  301.004902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.010455]  ? check_preemption_disabled+0x48/0x280
[  301.015469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.021055]  ? should_fail+0x22d/0xd01
[  301.024949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.030071]  ? zap_class+0x640/0x640
[  301.033812]  ? __lock_is_held+0xb5/0x140
[  301.037909]  ? mark_held_locks+0x130/0x130
[  301.042175]  ? lock_release+0xa00/0xa00
[  301.046151]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.051606]  ? xa_load+0x2ba/0x460
[  301.055148]  ? lock_downgrade+0x900/0x900
[  301.059303]  ? __might_sleep+0x95/0x190
[  301.063283]  __alloc_pages_nodemask+0xa80/0xde0
[  301.067960]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  301.072974]  ? __page_cache_alloc+0x191/0x5c0
[  301.077472]  ? xa_load+0x2e1/0x460
[  301.081041]  ? xa_clear_mark+0x40/0x40
[  301.084931]  ? zap_class+0x640/0x640
[  301.088671]  ? zap_class+0x640/0x640
[  301.092382]  ? zap_class+0x640/0x640
[  301.096092]  ? __do_page_cache_readahead+0x663/0x810
[  301.101217]  ? find_held_lock+0x36/0x1c0
[  301.105291]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  301.110850]  alloc_pages_current+0x173/0x350
[  301.115278]  __page_cache_alloc+0x38c/0x5c0
[  301.119595]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.124525]  ? kasan_check_read+0x11/0x20
[  301.128702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.133981]  ? generic_perform_write+0x6a0/0x6a0
[  301.138736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.144276]  ? check_preemption_disabled+0x48/0x280
[  301.149300]  filemap_fault+0x1595/0x25f0
[  301.153388]  ? __lock_page_or_retry+0xa00/0xa00
[  301.158079]  ? mark_held_locks+0x130/0x130
[  301.162324]  ? filemap_map_pages+0xd6b/0x1a20
[  301.166855]  ? lock_downgrade+0x900/0x900
[  301.171003]  ? check_preemption_disabled+0x48/0x280
[  301.176024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.180956]  ? kasan_check_read+0x11/0x20
[  301.185103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.190401]  ? rcu_softirq_qs+0x20/0x20
[  301.194399]  ? filemap_map_pages+0xd92/0x1a20
[  301.198898]  ? print_usage_bug+0xc0/0xc0
[  301.202965]  ? find_get_entries_tag+0x1400/0x1400
[  301.207828]  ? __kasan_slab_free+0x102/0x150
[  301.212237]  ? kasan_slab_free+0xe/0x10
[  301.216212]  ? kmem_cache_free+0x83/0x290
[  301.220355]  ? __sigqueue_free.part.29+0x74/0x90
[  301.225124]  ? lock_acquire+0x1ed/0x520
[  301.229099]  ? ext4_filemap_fault+0x7a/0xad
[  301.233425]  ? lock_release+0xa00/0xa00
[  301.237412]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.242863]  ? print_usage_bug+0xc0/0xc0
[  301.246920]  ? print_usage_bug+0xc0/0xc0
[  301.250991]  ? down_read+0x8d/0x120
[  301.254626]  ? ext4_filemap_fault+0x7a/0xad
[  301.258946]  ? __down_interruptible+0x700/0x700
[  301.263620]  ext4_filemap_fault+0x82/0xad
[  301.267764]  __do_fault+0x100/0x6b0
[  301.271406]  ? pmd_devmap_trans_unstable+0x220/0x220
[  301.276505]  ? mark_held_locks+0x130/0x130
[  301.280752]  ? mark_held_locks+0x130/0x130
[  301.285002]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  301.290543]  ? rcu_pm_notify+0xc0/0xc0
[  301.294438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.299980]  __handle_mm_fault+0x3ea0/0x5be0
[  301.304392]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  301.309228]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.313752]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.318390]  ? trace_hardirqs_on+0xbd/0x310
[  301.322709]  ? kasan_check_read+0x11/0x20
[  301.326853]  ? __set_current_blocked+0xdf/0x120
[  301.331524]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.336662]  ? zap_class+0x640/0x640
[  301.340375]  ? zap_class+0x640/0x640
[  301.344118]  ? find_held_lock+0x36/0x1c0
[  301.348185]  ? handle_mm_fault+0x42a/0xc70
[  301.352444]  ? lock_downgrade+0x900/0x900
[  301.356632]  ? check_preemption_disabled+0x48/0x280
[  301.361649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.366574]  ? kasan_check_read+0x11/0x20
[  301.370717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.376004]  ? rcu_softirq_qs+0x20/0x20
[  301.379975]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.385072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.390603]  ? check_preemption_disabled+0x48/0x280
[  301.395622]  handle_mm_fault+0x54f/0xc70
[  301.399680]  ? __handle_mm_fault+0x5be0/0x5be0
[  301.404261]  ? find_vma+0x34/0x190
[  301.407810]  __do_page_fault+0x5e8/0xe60
[  301.411868]  ? exit_to_usermode_loop+0x1f4/0x380
[  301.416628]  do_page_fault+0xf2/0x7e0
[  301.420439]  ? vmalloc_sync_all+0x30/0x30
[  301.424590]  ? error_entry+0x70/0xd0
[  301.428318]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.433332]  ? trace_hardirqs_on_caller+0xc0/0x310
[  301.438258]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.443187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.448038]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.453058]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.458508]  ? prepare_exit_to_usermode+0x291/0x3b0
[  301.463539]  ? page_fault+0x8/0x30
[  301.467081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.471924]  ? page_fault+0x8/0x30
[  301.475477]  page_fault+0x1e/0x30
[  301.478927] RIP: 0033:0x45db60
[  301.482132] Code: Bad RIP value.
[  301.485492] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  301.490850] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  301.498119] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  301.505386] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  301.512655] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  301.519922] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  301.527217] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  301.527315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.533449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.533454] Call Trace:
[  301.533460]  <IRQ>
[  301.533480]  dump_stack+0x244/0x39d
[  301.533498]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.540026] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.549352]  warn_alloc.cold.116+0xb7/0x1bd
[  301.551905] syz-fuzzer cpuset=/ mems_allowed=0
[  301.554056]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.586810]  ? lock_downgrade+0x900/0x900
[  301.590962]  ? trace_hardirqs_off+0xb8/0x310
[  301.595376]  ? trace_hardirqs_off+0xb8/0x310
[  301.599788]  __alloc_pages_slowpath+0x26e8/0x2e10
[  301.604682]  ? warn_alloc+0x120/0x120
[  301.608533]  ? print_usage_bug+0xc0/0xc0
[  301.612627]  ? warn_alloc+0x120/0x120
[  301.616431]  ? warn_alloc+0x120/0x120
[  301.620232]  ? print_usage_bug+0xc0/0xc0
[  301.624293]  ? print_usage_bug+0xc0/0xc0
[  301.628365]  ? __lock_acquire+0x62f/0x4c20
[  301.632637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.638176]  ? should_fail+0x22d/0xd01
[  301.642065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.647167]  ? __lock_acquire+0x62f/0x4c20
[  301.651402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.656500]  ? __lock_acquire+0x62f/0x4c20
[  301.660763]  ? should_fail+0x22d/0xd01
[  301.664649]  ? find_held_lock+0x36/0x1c0
[  301.668717]  ? mark_held_locks+0x130/0x130
[  301.672969]  ? mark_held_locks+0x130/0x130
[  301.677201]  ? zap_class+0x640/0x640
[  301.680910]  ? zap_class+0x640/0x640
[  301.684615]  ? print_usage_bug+0xc0/0xc0
[  301.688669]  ? do_raw_spin_unlock+0xa7/0x330
[  301.693103]  ? zap_class+0x640/0x640
[  301.696810]  ? print_usage_bug+0xc0/0xc0
[  301.700873]  ? wq_watchdog_touch+0x9c/0xfe
[  301.705113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.710653]  ? check_preemption_disabled+0x48/0x280
[  301.715697]  ? __lock_is_held+0xb5/0x140
[  301.719766]  __alloc_pages_nodemask+0xa80/0xde0
[  301.724624]  ? zap_class+0x640/0x640
[  301.728355]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  301.733385]  ? find_held_lock+0x36/0x1c0
[  301.737466]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.742134]  ? lock_downgrade+0x900/0x900
[  301.746284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.751829]  cache_grow_begin+0xa5/0x8c0
[  301.755884]  ? do_raw_spin_unlock+0xa7/0x330
[  301.760319]  fallback_alloc+0x204/0x2e0
[  301.764296]  ____cache_alloc_node+0x1c7/0x1e0
[  301.768798]  kmem_cache_alloc_node+0xe3/0x730
[  301.773299]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.777551]  __alloc_skb+0x119/0x770
[  301.781267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.786555]  ? netdev_alloc_frag+0x1f0/0x1f0
[  301.790964]  ? lock_downgrade+0x900/0x900
[  301.795122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.800657]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.806108]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.811557]  ? addrconf_rs_timer+0x690/0x690
[  301.815992]  ndisc_alloc_skb+0x144/0x340
[  301.820058]  ndisc_send_rs+0x331/0x6e0
[  301.823962]  addrconf_rs_timer+0x314/0x690
[  301.828231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.832495]  call_timer_fn+0x272/0x920
[  301.836428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.840679]  ? process_timeout+0x40/0x40
[  301.844745]  ? mark_held_locks+0xc7/0x130
[  301.848892]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.853382]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.857872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.862104]  ? lockdep_hardirqs_on+0x296/0x5b0
[  301.866704]  ? trace_hardirqs_on+0xbd/0x310
[  301.871022]  ? kasan_check_read+0x11/0x20
[  301.875175]  ? __run_timers+0x7da/0xc70
[  301.879146]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.884247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.888496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.892724]  __run_timers+0x7e5/0xc70
[  301.896528]  ? timer_fixup_init+0x70/0x70
[  301.900671]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.905681]  ? zap_class+0x640/0x640
[  301.909409]  ? print_usage_bug+0xc0/0xc0
[  301.913471]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.918661]  ? find_held_lock+0x36/0x1c0
[  301.922726]  ? zap_class+0x640/0x640
[  301.926444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.931991]  ? check_preemption_disabled+0x48/0x280
[  301.937016]  ? __lock_is_held+0xb5/0x140
[  301.941084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.946625]  ? check_preemption_disabled+0x48/0x280
[  301.951643]  run_timer_softirq+0x52/0xb0
[  301.955704]  ? rcu_read_lock_sched_held+0x14f/0x180
[  301.960715]  __do_softirq+0x308/0xb7e
[  301.964514]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  301.969008]  ? lock_downgrade+0x900/0x900
[  301.973164]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  301.978287]  ? pvclock_read_flags+0x160/0x160
[  301.982788]  ? lapic_next_event+0x5a/0x90
[  301.986933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.992466]  ? kvm_clock_read+0x18/0x30
[  301.996434]  ? kvm_sched_clock_read+0x9/0x20
[  302.000835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.006380]  ? check_preemption_disabled+0x48/0x280
[  302.011519]  irq_exit+0x17f/0x1c0
[  302.014986]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.019825]  ? smp_reschedule_interrupt+0x109/0x650
[  302.024843]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.030719]  ? interrupt_entry+0xb5/0xc0
[  302.034790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.039803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.044821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.049664]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.054675]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.059702]  ? task_prio+0x50/0x50
[  302.063244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.068775]  ? check_preemption_disabled+0x48/0x280
[  302.073792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.078640]  apic_timer_interrupt+0xf/0x20
[  302.082863]  </IRQ>
[  302.085103] RIP: 0010:dump_stack+0x358/0x39d
[  302.089506] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  302.108413] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  302.116121] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  302.123385] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  302.130674] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  302.137934] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  302.145199] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  302.152475]  ? dump_stack+0x34f/0x39d
[  302.156283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.161490]  ? mark_held_locks+0x130/0x130
[  302.165741]  ? mark_held_locks+0x130/0x130
[  302.169978]  dump_header+0x27b/0xf72
[  302.173701]  ? pagefault_out_of_memory+0x197/0x197
[  302.178635]  ? __lock_acquire+0x62f/0x4c20
[  302.182908]  ? percpu_ref_get_many+0x240/0x240
[  302.187510]  ? print_usage_bug+0xc0/0xc0
[  302.191576]  ? zap_class+0x640/0x640
[  302.195293]  ? print_usage_bug+0xc0/0xc0
[  302.199361]  ? print_usage_bug+0xc0/0xc0
[  302.203422]  ? zap_class+0x640/0x640
[  302.207149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.212688]  ? find_held_lock+0x36/0x1c0
[  302.216757]  ? mark_held_locks+0xc7/0x130
[  302.220902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.226000]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.231102]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.235680]  ? trace_hardirqs_on+0xbd/0x310
[  302.239999]  ? kasan_check_read+0x11/0x20
[  302.244146]  ? ___ratelimit+0x3b4/0x672
[  302.248123]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.253224]  ? trace_hardirqs_on+0x310/0x310
[  302.257630]  ? lock_downgrade+0x900/0x900
[  302.261774]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.266872]  ? ___ratelimit+0x3b9/0x672
[  302.270840]  ? idr_get_free+0xf70/0xf70
[  302.274804]  ? find_held_lock+0x36/0x1c0
[  302.278871]  oom_kill_process.cold.27+0x10/0x903
[  302.283629]  ? zap_class+0x640/0x640
[  302.287340]  ? check_preemption_disabled+0x48/0x280
[  302.292358]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.297306]  ? kasan_check_read+0x11/0x20
[  302.301454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.306725]  ? oom_evaluate_task+0x540/0x540
[  302.311129]  ? find_held_lock+0x36/0x1c0
[  302.315220]  ? out_of_memory+0x974/0x1430
[  302.319393]  ? lock_downgrade+0x900/0x900
[  302.323611]  ? check_preemption_disabled+0x48/0x280
[  302.328627]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.333602]  ? kasan_check_read+0x11/0x20
[  302.337747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.343020]  ? rcu_softirq_qs+0x20/0x20
[  302.347001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.352566]  ? oom_evaluate_task+0x302/0x540
[  302.356973]  out_of_memory+0xa84/0x1430
[  302.360948]  ? oom_killer_disable+0x3a0/0x3a0
[  302.365436]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  302.370390]  ? __ww_mutex_check_waiters+0x160/0x160
[  302.375430]  __alloc_pages_slowpath+0x2354/0x2e10
[  302.380295]  ? warn_alloc+0x120/0x120
[  302.384091]  ? mark_held_locks+0x130/0x130
[  302.388342]  ? find_get_entry+0xaae/0x1120
[  302.392599]  ? filemap_map_pages+0x1a20/0x1a20
[  302.397189]  ? zap_class+0x640/0x640
[  302.400905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.406454]  ? check_preemption_disabled+0x48/0x280
[  302.411472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.417008]  ? should_fail+0x22d/0xd01
[  302.420900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.426012]  ? zap_class+0x640/0x640
[  302.429754]  ? __lock_is_held+0xb5/0x140
[  302.433816]  ? mark_held_locks+0x130/0x130
[  302.438060]  ? lock_release+0xa00/0xa00
[  302.442038]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.447483]  ? xa_load+0x2ba/0x460
[  302.451034]  ? lock_downgrade+0x900/0x900
[  302.455205]  ? __might_sleep+0x95/0x190
[  302.459180]  __alloc_pages_nodemask+0xa80/0xde0
[  302.463853]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  302.468865]  ? __page_cache_alloc+0x191/0x5c0
[  302.473358]  ? xa_load+0x2e1/0x460
[  302.476901]  ? xa_clear_mark+0x40/0x40
[  302.480802]  ? zap_class+0x640/0x640
[  302.484524]  ? zap_class+0x640/0x640
[  302.488235]  ? zap_class+0x640/0x640
[  302.491948]  ? __do_page_cache_readahead+0x663/0x810
[  302.497060]  ? find_held_lock+0x36/0x1c0
[  302.501126]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  302.506670]  alloc_pages_current+0x173/0x350
[  302.511078]  __page_cache_alloc+0x38c/0x5c0
[  302.515389]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.520361]  ? kasan_check_read+0x11/0x20
[  302.524534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.529827]  ? generic_perform_write+0x6a0/0x6a0
[  302.534579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.540115]  ? check_preemption_disabled+0x48/0x280
[  302.545135]  filemap_fault+0x1595/0x25f0
[  302.549206]  ? __lock_page_or_retry+0xa00/0xa00
[  302.553875]  ? mark_held_locks+0x130/0x130
[  302.558334]  ? filemap_map_pages+0xd6b/0x1a20
[  302.562847]  ? lock_downgrade+0x900/0x900
[  302.566992]  ? check_preemption_disabled+0x48/0x280
[  302.572012]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.576962]  ? kasan_check_read+0x11/0x20
[  302.581123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.586416]  ? rcu_softirq_qs+0x20/0x20
[  302.590405]  ? filemap_map_pages+0xd92/0x1a20
[  302.594940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.600521]  ? find_get_entries_tag+0x1400/0x1400
[  302.605389]  ? __lock_acquire+0x62f/0x4c20
[  302.609642]  ? lock_acquire+0x1ed/0x520
[  302.613619]  ? ext4_filemap_fault+0x7a/0xad
[  302.617951]  ? lock_release+0xa00/0xa00
[  302.621924]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.627379]  ? print_usage_bug+0xc0/0xc0
[  302.631440]  ? print_usage_bug+0xc0/0xc0
[  302.635533]  ? down_read+0x8d/0x120
[  302.639161]  ? ext4_filemap_fault+0x7a/0xad
[  302.643504]  ? __down_interruptible+0x700/0x700
[  302.648191]  ext4_filemap_fault+0x82/0xad
[  302.652346]  __do_fault+0x100/0x6b0
[  302.655987]  ? pmd_devmap_trans_unstable+0x220/0x220
[  302.661123]  ? mark_held_locks+0x130/0x130
[  302.665373]  ? mark_held_locks+0x130/0x130
[  302.669613]  ? find_held_lock+0x36/0x1c0
[  302.673682]  ? find_held_lock+0x36/0x1c0
[  302.677748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.683296]  __handle_mm_fault+0x3ea0/0x5be0
[  302.687718]  ? poll_select_copy_remaining+0x18c/0x6a0
[  302.692923]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  302.697770]  ? __might_fault+0x12b/0x1e0
[  302.701829]  ? lock_downgrade+0x900/0x900
[  302.705983]  ? zap_class+0x640/0x640
[  302.709690]  ? zap_class+0x640/0x640
[  302.713404]  ? find_held_lock+0x36/0x1c0
[  302.717489]  ? handle_mm_fault+0x42a/0xc70
[  302.721759]  ? lock_downgrade+0x900/0x900
[  302.725912]  ? check_preemption_disabled+0x48/0x280
[  302.730930]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.735859]  ? kasan_check_read+0x11/0x20
[  302.740010]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.745360]  ? rcu_softirq_qs+0x20/0x20
[  302.749362]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.754473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.760041]  ? check_preemption_disabled+0x48/0x280
[  302.765075]  handle_mm_fault+0x54f/0xc70
[  302.769192]  ? __handle_mm_fault+0x5be0/0x5be0
[  302.773798]  ? find_vma+0x34/0x190
[  302.777346]  __do_page_fault+0x5e8/0xe60
[  302.781409]  ? trace_hardirqs_off+0xb8/0x310
[  302.785824]  do_page_fault+0xf2/0x7e0
[  302.789630]  ? vmalloc_sync_all+0x30/0x30
[  302.793778]  ? error_entry+0x70/0xd0
[  302.797512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.802541]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.807471]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.812393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.817237]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.822267]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.827729]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  302.832775]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.837792]  ? page_fault+0x8/0x30
[  302.841331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.846171]  ? page_fault+0x8/0x30
[  302.849711]  page_fault+0x1e/0x30
[  302.853162] RIP: 0033:0x7fafaecd0dd3
[  302.856880] Code: Bad RIP value.
[  302.860232] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  302.865610] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  302.872871] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  302.880131] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  302.887404] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  302.894692] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  302.901986] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  302.901991] warn_alloc_show_mem: 1 callbacks suppressed
[  302.901998] Mem-Info:
[  302.909018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.914387] active_anon:50685 inactive_anon:189 isolated_anon:0
[  302.914387]  active_file:14 inactive_file:14 isolated_file:0
[  302.914387]  unevictable:0 dirty:0 writeback:0 unstable:0
[  302.914387]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  302.914387]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  302.914387]  free:13759 free_pcp:552 free_cma:0
[  302.916753] Call Trace:
[  302.926128] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  302.958964]  <IRQ>
[  302.961542] 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
[  302.988938]  dump_stack+0x244/0x39d
[  302.991087] lowmem_reserve[]: 0 2818 6321 6321
[  303.017187]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.020784] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  303.025367]  warn_alloc.cold.116+0xb7/0x1bd
[  303.030516] lowmem_reserve[]: 0 0 3503 3503
[  303.058091]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.062402] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  303.066729]  ? lock_downgrade+0x900/0x900
[  303.071539] lowmem_reserve[]: 0 0 0 0
[  303.100589]  ? trace_hardirqs_off+0xb8/0x310
[  303.104708] 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
[  303.108504]  ? trace_hardirqs_off+0xb8/0x310
[  303.112881] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  303.126396]  __alloc_pages_slowpath+0x26e8/0x2e10
[  303.130772] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  303.146149]  ? warn_alloc+0x120/0x120
[  303.150949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.166019]  ? print_usage_bug+0xc0/0xc0
[  303.169806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.178631]  ? warn_alloc+0x120/0x120
[  303.182666] 272 total pagecache pages
[  303.191229]  ? warn_alloc+0x120/0x120
[  303.195009] 0 pages in swap cache
[  303.198787]  ? print_usage_bug+0xc0/0xc0
[  303.202584] Swap cache stats: add 0, delete 0, find 0/0
[  303.206035]  ? print_usage_bug+0xc0/0xc0
[  303.210073] Free swap  = 0kB
[  303.215424]  ? __lock_acquire+0x62f/0x4c20
[  303.219455] Total swap = 0kB
[  303.222467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.226667] 1965979 pages RAM
[  303.229673]  ? should_fail+0x22d/0xd01
[  303.235177] 0 pages HighMem/MovableOnly
[  303.238273]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.242133] 342853 pages reserved
[  303.246092]  ? __lock_acquire+0x62f/0x4c20
[  303.251169] 0 pages cma reserved
[  303.254607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.258945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.262187]  ? __lock_acquire+0x62f/0x4c20
[  303.262198]  ? should_fail+0x22d/0xd01
[  303.262210]  ? find_held_lock+0x36/0x1c0
[  303.262230]  ? mark_held_locks+0x130/0x130
[  303.267368] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.273781]  ? mark_held_locks+0x130/0x130
[  303.278038] init cpuset=/ mems_allowed=0
[  303.281933]  ? zap_class+0x640/0x640
[  303.281946]  ? zap_class+0x640/0x640
[  303.315527]  ? print_usage_bug+0xc0/0xc0
[  303.319596]  ? do_raw_spin_unlock+0xa7/0x330
[  303.324055]  ? zap_class+0x640/0x640
[  303.327805]  ? print_usage_bug+0xc0/0xc0
[  303.331894]  ? wq_watchdog_touch+0x9c/0xfe
[  303.336127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.341662]  ? check_preemption_disabled+0x48/0x280
[  303.346684]  ? __lock_is_held+0xb5/0x140
[  303.350744]  __alloc_pages_nodemask+0xa80/0xde0
[  303.355420]  ? zap_class+0x640/0x640
[  303.359187]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  303.364209]  ? find_held_lock+0x36/0x1c0
[  303.368324]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.372991]  ? lock_downgrade+0x900/0x900
[  303.377144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.382678]  cache_grow_begin+0xa5/0x8c0
[  303.386749]  ? do_raw_spin_unlock+0xa7/0x330
[  303.391174]  fallback_alloc+0x204/0x2e0
[  303.395155]  ____cache_alloc_node+0x1c7/0x1e0
[  303.399656]  kmem_cache_alloc_node+0xe3/0x730
[  303.404149]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.408387]  __alloc_skb+0x119/0x770
[  303.412094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.417381]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.421784]  ? lock_downgrade+0x900/0x900
[  303.425936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.431473]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.436954]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.442400]  ? addrconf_rs_timer+0x690/0x690
[  303.446832]  ndisc_alloc_skb+0x144/0x340
[  303.450895]  ndisc_send_rs+0x331/0x6e0
[  303.454804]  addrconf_rs_timer+0x314/0x690
[  303.459050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.463320]  call_timer_fn+0x272/0x920
[  303.467206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.471438]  ? process_timeout+0x40/0x40
[  303.475512]  ? mark_held_locks+0xc7/0x130
[  303.479665]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.484157]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.488681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.492933]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.497520]  ? trace_hardirqs_on+0xbd/0x310
[  303.501839]  ? kasan_check_read+0x11/0x20
[  303.505983]  ? __run_timers+0x7da/0xc70
[  303.509957]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.515067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.519308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.523555]  __run_timers+0x7e5/0xc70
[  303.527391]  ? timer_fixup_init+0x70/0x70
[  303.531539]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.536554]  ? zap_class+0x640/0x640
[  303.540272]  ? print_usage_bug+0xc0/0xc0
[  303.544348]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.549586]  ? find_held_lock+0x36/0x1c0
[  303.553653]  ? zap_class+0x640/0x640
[  303.557388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.562925]  ? check_preemption_disabled+0x48/0x280
[  303.567947]  ? __lock_is_held+0xb5/0x140
[  303.572009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.577554]  ? check_preemption_disabled+0x48/0x280
[  303.582573]  run_timer_softirq+0x52/0xb0
[  303.586643]  ? rcu_read_lock_sched_held+0x14f/0x180
[  303.591661]  __do_softirq+0x308/0xb7e
[  303.595468]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  303.599959]  ? lock_downgrade+0x900/0x900
[  303.604105]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  303.609215]  ? pvclock_read_flags+0x160/0x160
[  303.613713]  ? lapic_next_event+0x5a/0x90
[  303.617862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.623416]  ? kvm_clock_read+0x18/0x30
[  303.627409]  ? kvm_sched_clock_read+0x9/0x20
[  303.631822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.637361]  ? check_preemption_disabled+0x48/0x280
[  303.642387]  irq_exit+0x17f/0x1c0
[  303.645839]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.650679]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.656574]  ? interrupt_entry+0xb5/0xc0
[  303.660632]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.665647]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.670662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.675500]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.680515]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.685528]  ? task_prio+0x50/0x50
[  303.689064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.694603]  ? check_preemption_disabled+0x48/0x280
[  303.699627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.704477]  apic_timer_interrupt+0xf/0x20
[  303.708720]  </IRQ>
[  303.710955] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  303.716076] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  303.734986] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  303.742688] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  303.749954] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  303.757217] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  303.764479] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  303.771745] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  303.779043]  shrink_active_list+0x14eb/0x1f00
[  303.783554]  ? shrink_inactive_list+0x1c60/0x1c60
[  303.788407]  ? trace_hardirqs_on+0xbd/0x310
[  303.792738]  ? shrink_inactive_list+0xa4a/0x1c60
[  303.797507]  ? mark_held_locks+0x130/0x130
[  303.801739]  ? __lock_acquire+0x62f/0x4c20
[  303.806018]  ? print_usage_bug+0xc0/0xc0
[  303.810113]  ? mark_held_locks+0x130/0x130
[  303.814349]  ? mark_held_locks+0x130/0x130
[  303.818585]  ? print_usage_bug+0xc0/0xc0
[  303.822651]  ? __lock_acquire+0x62f/0x4c20
[  303.826891]  ? zap_class+0x640/0x640
[  303.830608]  ? zap_class+0x640/0x640
[  303.834333]  ? mark_held_locks+0x130/0x130
[  303.838583]  ? zap_class+0x640/0x640
[  303.842304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.847840]  ? check_preemption_disabled+0x48/0x280
[  303.852866]  ? __lock_is_held+0xb5/0x140
[  303.856938]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.861949]  ? inactive_list_is_low+0x305/0x880
[  303.866619]  ? lruvec_lru_size+0x450/0x450
[  303.870853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.876402]  ? lruvec_lru_size+0x2ab/0x450
[  303.880671]  ? percpu_ref_put_many+0x13e/0x260
[  303.885258]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  303.890187]  ? find_held_lock+0x36/0x1c0
[  303.894249]  shrink_node_memcg+0x803/0x18f0
[  303.898580]  ? shrink_active_list+0x1f00/0x1f00
[  303.903249]  ? lock_downgrade+0x900/0x900
[  303.907417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.912524]  ? cgroup_procs_write_finish+0xf0/0xf0
[  303.917460]  ? _raw_spin_unlock+0x2c/0x50
[  303.921627]  shrink_node+0x3bc/0x16b0
[  303.925453]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  303.930752]  ? shrink_node_memcg+0x18f0/0x18f0
[  303.935331]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  303.939910]  ? trace_hardirqs_on+0xbd/0x310
[  303.944229]  ? vmpressure+0x271/0x340
[  303.948033]  ? do_raw_spin_unlock+0xa7/0x330
[  303.952450]  ? do_raw_spin_trylock+0x270/0x270
[  303.957042]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.962600]  ? __cpuset_node_allowed+0x19b/0x660
[  303.967352]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  303.973104]  ? vmpressure+0x1a2/0x340
[  303.976909]  do_try_to_free_pages+0x3e7/0x1290
[  303.981499]  ? zap_class+0x640/0x640
[  303.985268]  ? shrink_node+0x16b0/0x16b0
[  303.989327]  ? __lock_is_held+0xb5/0x140
[  303.993398]  try_to_free_pages+0x4d0/0xb90
[  303.997639]  ? do_try_to_free_pages+0x1290/0x1290
[  304.002488]  ? lock_acquire+0x1ed/0x520
[  304.006457]  ? set_page_refcounted+0x280/0x280
[  304.011053]  ? lock_release+0xa00/0xa00
[  304.015038]  ? _raw_spin_unlock_irq+0x60/0x80
[  304.019550]  ? psi_memstall_enter+0x240/0x2b0
[  304.024050]  ? psi_memstall_tick+0x230/0x230
[  304.028465]  __alloc_pages_slowpath+0xa14/0x2e10
[  304.033248]  ? warn_alloc+0x120/0x120
[  304.037068]  ? mark_held_locks+0x130/0x130
[  304.041309]  ? find_get_entry+0xaae/0x1120
[  304.045551]  ? filemap_map_pages+0x1a20/0x1a20
[  304.050142]  ? zap_class+0x640/0x640
[  304.053862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.059401]  ? check_preemption_disabled+0x48/0x280
[  304.064420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.069952]  ? should_fail+0x22d/0xd01
[  304.073840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.078943]  ? zap_class+0x640/0x640
[  304.082674]  ? __lock_is_held+0xb5/0x140
[  304.086737]  ? mark_held_locks+0x130/0x130
[  304.090970]  ? lock_release+0xa00/0xa00
[  304.094946]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.100396]  ? xa_load+0x2ba/0x460
[  304.103948]  ? lock_downgrade+0x900/0x900
[  304.108110]  ? __might_sleep+0x95/0x190
[  304.112089]  __alloc_pages_nodemask+0xa80/0xde0
[  304.116781]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  304.121797]  ? __page_cache_alloc+0x191/0x5c0
[  304.126294]  ? xa_load+0x2e1/0x460
[  304.129834]  ? xa_clear_mark+0x40/0x40
[  304.133739]  ? zap_class+0x640/0x640
[  304.137474]  ? zap_class+0x640/0x640
[  304.141187]  ? zap_class+0x640/0x640
[  304.144898]  ? __do_page_cache_readahead+0x663/0x810
[  304.150005]  ? find_held_lock+0x36/0x1c0
[  304.154076]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  304.159620]  alloc_pages_current+0x173/0x350
[  304.164059]  __page_cache_alloc+0x38c/0x5c0
[  304.168381]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.173311]  ? kasan_check_read+0x11/0x20
[  304.177469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.182748]  ? generic_perform_write+0x6a0/0x6a0
[  304.187507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.193081]  ? check_preemption_disabled+0x48/0x280
[  304.198116]  filemap_fault+0x1595/0x25f0
[  304.202188]  ? __lock_page_or_retry+0xa00/0xa00
[  304.206855]  ? mark_held_locks+0x130/0x130
[  304.211097]  ? filemap_map_pages+0xd6b/0x1a20
[  304.215591]  ? lock_downgrade+0x900/0x900
[  304.219741]  ? check_preemption_disabled+0x48/0x280
[  304.224776]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.229708]  ? kasan_check_read+0x11/0x20
[  304.233853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.239132]  ? rcu_softirq_qs+0x20/0x20
[  304.243122]  ? filemap_map_pages+0xd92/0x1a20
[  304.247624]  ? print_usage_bug+0xc0/0xc0
[  304.251689]  ? find_get_entries_tag+0x1400/0x1400
[  304.256526]  ? __kasan_slab_free+0x102/0x150
[  304.260934]  ? kasan_slab_free+0xe/0x10
[  304.264903]  ? kmem_cache_free+0x83/0x290
[  304.269055]  ? __sigqueue_free.part.29+0x74/0x90
[  304.273831]  ? lock_acquire+0x1ed/0x520
[  304.277806]  ? ext4_filemap_fault+0x7a/0xad
[  304.282130]  ? lock_release+0xa00/0xa00
[  304.286117]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.291564]  ? print_usage_bug+0xc0/0xc0
[  304.295624]  ? print_usage_bug+0xc0/0xc0
[  304.299696]  ? down_read+0x8d/0x120
[  304.303333]  ? ext4_filemap_fault+0x7a/0xad
[  304.307676]  ? __down_interruptible+0x700/0x700
[  304.312350]  ext4_filemap_fault+0x82/0xad
[  304.316498]  __do_fault+0x100/0x6b0
[  304.320129]  ? pmd_devmap_trans_unstable+0x220/0x220
[  304.325242]  ? mark_held_locks+0x130/0x130
[  304.329480]  ? mark_held_locks+0x130/0x130
[  304.333714]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  304.339253]  ? rcu_pm_notify+0xc0/0xc0
[  304.343143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.348678]  __handle_mm_fault+0x3ea0/0x5be0
[  304.353089]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  304.357922]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.362424]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.367009]  ? trace_hardirqs_on+0xbd/0x310
[  304.371353]  ? kasan_check_read+0x11/0x20
[  304.375511]  ? __set_current_blocked+0xdf/0x120
[  304.380180]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.385293]  ? zap_class+0x640/0x640
[  304.389020]  ? zap_class+0x640/0x640
[  304.392747]  ? find_held_lock+0x36/0x1c0
[  304.396816]  ? handle_mm_fault+0x42a/0xc70
[  304.401058]  ? lock_downgrade+0x900/0x900
[  304.405208]  ? check_preemption_disabled+0x48/0x280
[  304.410242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.415167]  ? kasan_check_read+0x11/0x20
[  304.419312]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.424587]  ? rcu_softirq_qs+0x20/0x20
[  304.428565]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.433667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.439201]  ? check_preemption_disabled+0x48/0x280
[  304.444223]  handle_mm_fault+0x54f/0xc70
[  304.448286]  ? __handle_mm_fault+0x5be0/0x5be0
[  304.452871]  ? find_vma+0x34/0x190
[  304.456417]  __do_page_fault+0x5e8/0xe60
[  304.460482]  ? exit_to_usermode_loop+0x1f4/0x380
[  304.465242]  do_page_fault+0xf2/0x7e0
[  304.469049]  ? vmalloc_sync_all+0x30/0x30
[  304.473202]  ? error_entry+0x70/0xd0
[  304.476920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.481932]  ? trace_hardirqs_on_caller+0xc0/0x310
[  304.486858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.491810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.496655]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.501671]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.507138]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.512148]  ? page_fault+0x8/0x30
[  304.515688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.520530]  ? page_fault+0x8/0x30
[  304.524096]  page_fault+0x1e/0x30
[  304.527544] RIP: 0033:0x45db60
[  304.530767] Code: Bad RIP value.
[  304.534128] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  304.539482] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  304.546745] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  304.554011] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  304.561401] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  304.568684] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  304.575978] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  304.576071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.582210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.582216] Call Trace:
[  304.582222]  <IRQ>
[  304.582241]  dump_stack+0x244/0x39d
[  304.582260]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.588794] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.598114]  warn_alloc.cold.116+0xb7/0x1bd
[  304.600683] syz-fuzzer cpuset=/ mems_allowed=0
[  304.602822]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.635528]  ? lock_downgrade+0x900/0x900
[  304.639693]  ? trace_hardirqs_off+0xb8/0x310
[  304.644134]  ? trace_hardirqs_off+0xb8/0x310
[  304.648547]  __alloc_pages_slowpath+0x26e8/0x2e10
[  304.653415]  ? warn_alloc+0x120/0x120
[  304.657219]  ? print_usage_bug+0xc0/0xc0
[  304.661280]  ? warn_alloc+0x120/0x120
[  304.665092]  ? warn_alloc+0x120/0x120
[  304.668892]  ? print_usage_bug+0xc0/0xc0
[  304.672956]  ? print_usage_bug+0xc0/0xc0
[  304.677017]  ? __lock_acquire+0x62f/0x4c20
[  304.681258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.686793]  ? should_fail+0x22d/0xd01
[  304.690836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.695937]  ? __lock_acquire+0x62f/0x4c20
[  304.700188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.705296]  ? __lock_acquire+0x62f/0x4c20
[  304.709544]  ? should_fail+0x22d/0xd01
[  304.713424]  ? find_held_lock+0x36/0x1c0
[  304.717513]  ? mark_held_locks+0x130/0x130
[  304.721789]  ? mark_held_locks+0x130/0x130
[  304.726016]  ? zap_class+0x640/0x640
[  304.729728]  ? zap_class+0x640/0x640
[  304.733439]  ? print_usage_bug+0xc0/0xc0
[  304.737505]  ? do_raw_spin_unlock+0xa7/0x330
[  304.741905]  ? zap_class+0x640/0x640
[  304.745610]  ? print_usage_bug+0xc0/0xc0
[  304.749684]  ? wq_watchdog_touch+0x9c/0xfe
[  304.753916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.759466]  ? check_preemption_disabled+0x48/0x280
[  304.764491]  ? __lock_is_held+0xb5/0x140
[  304.768556]  __alloc_pages_nodemask+0xa80/0xde0
[  304.773219]  ? zap_class+0x640/0x640
[  304.776930]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  304.781950]  ? find_held_lock+0x36/0x1c0
[  304.786009]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.790710]  ? lock_downgrade+0x900/0x900
[  304.794863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.800400]  cache_grow_begin+0xa5/0x8c0
[  304.804455]  ? do_raw_spin_unlock+0xa7/0x330
[  304.808869]  fallback_alloc+0x204/0x2e0
[  304.812849]  ____cache_alloc_node+0x1c7/0x1e0
[  304.817344]  kmem_cache_alloc_node+0xe3/0x730
[  304.821837]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.826083]  __alloc_skb+0x119/0x770
[  304.829795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.835079]  ? netdev_alloc_frag+0x1f0/0x1f0
[  304.839502]  ? lock_downgrade+0x900/0x900
[  304.843709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.849247]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.854719]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.860165]  ? addrconf_rs_timer+0x690/0x690
[  304.864588]  ndisc_alloc_skb+0x144/0x340
[  304.868649]  ndisc_send_rs+0x331/0x6e0
[  304.872536]  addrconf_rs_timer+0x314/0x690
[  304.876831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.881068]  call_timer_fn+0x272/0x920
[  304.884948]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.889176]  ? process_timeout+0x40/0x40
[  304.893235]  ? mark_held_locks+0xc7/0x130
[  304.897399]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.901888]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.906417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.910661]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.915254]  ? trace_hardirqs_on+0xbd/0x310
[  304.919577]  ? kasan_check_read+0x11/0x20
[  304.923748]  ? __run_timers+0x7da/0xc70
[  304.927724]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.932826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.937082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.941339]  __run_timers+0x7e5/0xc70
[  304.945144]  ? timer_fixup_init+0x70/0x70
[  304.949290]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.954316]  ? zap_class+0x640/0x640
[  304.958065]  ? print_usage_bug+0xc0/0xc0
[  304.962140]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.967349]  ? find_held_lock+0x36/0x1c0
[  304.971413]  ? zap_class+0x640/0x640
[  304.975133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.980673]  ? check_preemption_disabled+0x48/0x280
[  304.985694]  ? __lock_is_held+0xb5/0x140
[  304.989753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.995292]  ? check_preemption_disabled+0x48/0x280
[  305.000323]  run_timer_softirq+0x52/0xb0
[  305.004387]  ? rcu_read_lock_sched_held+0x14f/0x180
[  305.009436]  __do_softirq+0x308/0xb7e
[  305.013238]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.017732]  ? lock_downgrade+0x900/0x900
[  305.021882]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  305.027000]  ? pvclock_read_flags+0x160/0x160
[  305.031501]  ? lapic_next_event+0x5a/0x90
[  305.035644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.041199]  ? kvm_clock_read+0x18/0x30
[  305.045179]  ? kvm_sched_clock_read+0x9/0x20
[  305.049587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.055161]  ? check_preemption_disabled+0x48/0x280
[  305.060202]  irq_exit+0x17f/0x1c0
[  305.063653]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.068497]  ? smp_reschedule_interrupt+0x109/0x650
[  305.073510]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.079392]  ? interrupt_entry+0xb5/0xc0
[  305.083474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.088522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.093542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.098386]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.103404]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.108417]  ? task_prio+0x50/0x50
[  305.111955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.117493]  ? check_preemption_disabled+0x48/0x280
[  305.122512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.127366]  apic_timer_interrupt+0xf/0x20
[  305.131592]  </IRQ>
[  305.133833] RIP: 0010:dump_stack+0x358/0x39d
[  305.138244] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  305.157141] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  305.164843] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  305.172110] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  305.179395] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  305.186678] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  305.193941] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  305.201224]  ? dump_stack+0x34f/0x39d
[  305.205061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.210255]  ? mark_held_locks+0x130/0x130
[  305.214495]  ? mark_held_locks+0x130/0x130
[  305.218766]  dump_header+0x27b/0xf72
[  305.222542]  ? pagefault_out_of_memory+0x197/0x197
[  305.227477]  ? __lock_acquire+0x62f/0x4c20
[  305.231745]  ? percpu_ref_get_many+0x240/0x240
[  305.236339]  ? print_usage_bug+0xc0/0xc0
[  305.240405]  ? zap_class+0x640/0x640
[  305.244117]  ? print_usage_bug+0xc0/0xc0
[  305.248175]  ? print_usage_bug+0xc0/0xc0
[  305.252249]  ? zap_class+0x640/0x640
[  305.255965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.261533]  ? find_held_lock+0x36/0x1c0
[  305.265605]  ? mark_held_locks+0xc7/0x130
[  305.269756]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.274875]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  305.279976]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  305.284562]  ? trace_hardirqs_on+0xbd/0x310
[  305.288885]  ? kasan_check_read+0x11/0x20
[  305.293040]  ? ___ratelimit+0x3b4/0x672
[  305.297020]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.302132]  ? trace_hardirqs_on+0x310/0x310
[  305.306545]  ? lock_downgrade+0x900/0x900
[  305.310699]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.315817]  ? ___ratelimit+0x3b9/0x672
[  305.319808]  ? idr_get_free+0xf70/0xf70
[  305.323785]  ? find_held_lock+0x36/0x1c0
[  305.327850]  oom_kill_process.cold.27+0x10/0x903
[  305.332621]  ? zap_class+0x640/0x640
[  305.336382]  ? check_preemption_disabled+0x48/0x280
[  305.341404]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.346332]  ? kasan_check_read+0x11/0x20
[  305.350496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.355784]  ? oom_evaluate_task+0x540/0x540
[  305.360196]  ? find_held_lock+0x36/0x1c0
[  305.364275]  ? out_of_memory+0x974/0x1430
[  305.368437]  ? lock_downgrade+0x900/0x900
[  305.372582]  ? check_preemption_disabled+0x48/0x280
[  305.377633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.382574]  ? kasan_check_read+0x11/0x20
[  305.386724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.392036]  ? rcu_softirq_qs+0x20/0x20
[  305.396036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.401587]  ? oom_evaluate_task+0x302/0x540
[  305.406000]  out_of_memory+0xa84/0x1430
[  305.410014]  ? oom_killer_disable+0x3a0/0x3a0
[  305.414516]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  305.419452]  ? __ww_mutex_check_waiters+0x160/0x160
[  305.424481]  __alloc_pages_slowpath+0x2354/0x2e10
[  305.429357]  ? warn_alloc+0x120/0x120
[  305.433157]  ? mark_held_locks+0x130/0x130
[  305.437398]  ? find_get_entry+0xaae/0x1120
[  305.441642]  ? filemap_map_pages+0x1a20/0x1a20
[  305.446227]  ? zap_class+0x640/0x640
[  305.449943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.455484]  ? check_preemption_disabled+0x48/0x280
[  305.460497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.466086]  ? should_fail+0x22d/0xd01
[  305.469974]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.475078]  ? zap_class+0x640/0x640
[  305.478814]  ? __lock_is_held+0xb5/0x140
[  305.482878]  ? mark_held_locks+0x130/0x130
[  305.487113]  ? lock_release+0xa00/0xa00
[  305.491101]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.496560]  ? xa_load+0x2ba/0x460
[  305.500102]  ? lock_downgrade+0x900/0x900
[  305.504254]  ? __might_sleep+0x95/0x190
[  305.508230]  __alloc_pages_nodemask+0xa80/0xde0
[  305.512904]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  305.517917]  ? __page_cache_alloc+0x191/0x5c0
[  305.522407]  ? xa_load+0x2e1/0x460
[  305.525950]  ? xa_clear_mark+0x40/0x40
[  305.529834]  ? zap_class+0x640/0x640
[  305.533569]  ? zap_class+0x640/0x640
[  305.537278]  ? zap_class+0x640/0x640
[  305.540994]  ? __do_page_cache_readahead+0x663/0x810
[  305.546102]  ? find_held_lock+0x36/0x1c0
[  305.550165]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  305.555725]  alloc_pages_current+0x173/0x350
[  305.560138]  __page_cache_alloc+0x38c/0x5c0
[  305.564454]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.569381]  ? kasan_check_read+0x11/0x20
[  305.573540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.578846]  ? generic_perform_write+0x6a0/0x6a0
[  305.583600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.589134]  ? check_preemption_disabled+0x48/0x280
[  305.594162]  filemap_fault+0x1595/0x25f0
[  305.598241]  ? __lock_page_or_retry+0xa00/0xa00
[  305.602913]  ? mark_held_locks+0x130/0x130
[  305.607153]  ? filemap_map_pages+0xd6b/0x1a20
[  305.611648]  ? lock_downgrade+0x900/0x900
[  305.615796]  ? check_preemption_disabled+0x48/0x280
[  305.620813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.625740]  ? kasan_check_read+0x11/0x20
[  305.629881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.635156]  ? rcu_softirq_qs+0x20/0x20
[  305.639136]  ? filemap_map_pages+0xd92/0x1a20
[  305.643637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.649179]  ? find_get_entries_tag+0x1400/0x1400
[  305.654022]  ? __lock_acquire+0x62f/0x4c20
[  305.658276]  ? lock_acquire+0x1ed/0x520
[  305.662253]  ? ext4_filemap_fault+0x7a/0xad
[  305.666592]  ? lock_release+0xa00/0xa00
[  305.670577]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.676022]  ? print_usage_bug+0xc0/0xc0
[  305.680112]  ? print_usage_bug+0xc0/0xc0
[  305.684182]  ? down_read+0x8d/0x120
[  305.687818]  ? ext4_filemap_fault+0x7a/0xad
[  305.692138]  ? __down_interruptible+0x700/0x700
[  305.696829]  ext4_filemap_fault+0x82/0xad
[  305.700981]  __do_fault+0x100/0x6b0
[  305.704610]  ? pmd_devmap_trans_unstable+0x220/0x220
[  305.709730]  ? mark_held_locks+0x130/0x130
[  305.713965]  ? mark_held_locks+0x130/0x130
[  305.718210]  ? find_held_lock+0x36/0x1c0
[  305.722274]  ? find_held_lock+0x36/0x1c0
[  305.726338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.731873]  __handle_mm_fault+0x3ea0/0x5be0
[  305.736292]  ? poll_select_copy_remaining+0x18c/0x6a0
[  305.741524]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  305.746371]  ? __might_fault+0x12b/0x1e0
[  305.750438]  ? lock_downgrade+0x900/0x900
[  305.754593]  ? zap_class+0x640/0x640
[  305.758307]  ? zap_class+0x640/0x640
[  305.762024]  ? find_held_lock+0x36/0x1c0
[  305.766096]  ? handle_mm_fault+0x42a/0xc70
[  305.770355]  ? lock_downgrade+0x900/0x900
[  305.774517]  ? check_preemption_disabled+0x48/0x280
[  305.779544]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.784469]  ? kasan_check_read+0x11/0x20
[  305.788628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.793899]  ? rcu_softirq_qs+0x20/0x20
[  305.797876]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.802979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.808530]  ? check_preemption_disabled+0x48/0x280
[  305.813551]  handle_mm_fault+0x54f/0xc70
[  305.817641]  ? __handle_mm_fault+0x5be0/0x5be0
[  305.822228]  ? find_vma+0x34/0x190
[  305.825776]  __do_page_fault+0x5e8/0xe60
[  305.829853]  ? trace_hardirqs_off+0xb8/0x310
[  305.834282]  do_page_fault+0xf2/0x7e0
[  305.838086]  ? vmalloc_sync_all+0x30/0x30
[  305.842232]  ? error_entry+0x70/0xd0
[  305.845962]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.850990]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.855919]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.860846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.865684]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.870695]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.876171]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.881196]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.886225]  ? page_fault+0x8/0x30
[  305.889761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.894611]  ? page_fault+0x8/0x30
[  305.898145]  page_fault+0x1e/0x30
[  305.901592] RIP: 0033:0x7fafaecd0dd3
[  305.905312] Code: Bad RIP value.
[  305.908667] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  305.914019] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  305.921290] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  305.928558] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  305.935836] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  305.943099] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  305.950393] warn_alloc_show_mem: 1 callbacks suppressed
[  305.950404] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  305.950405] Mem-Info:
[  305.950467] active_anon:50685 inactive_anon:189 isolated_anon:0
[  305.950467]  active_file:14 inactive_file:14 isolated_file:0
[  305.950467]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.950467]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  305.950467]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  305.950467]  free:13759 free_pcp:552 free_cma:0
[  305.955807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.962809] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.965210] Call Trace:
[  305.998070] 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
[  306.007405]  <IRQ>
[  306.034808] lowmem_reserve[]: 0 2818 6321 6321
[  306.037399]  dump_stack+0x244/0x39d
[  306.063480] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  306.065636]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.070186] lowmem_reserve[]: 0 0 3503 3503
[  306.073813]  warn_alloc.cold.116+0xb7/0x1bd
[  306.101358] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  306.106534]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.110825] lowmem_reserve[]: 0 0 0 0
[  306.115141]  ? lock_downgrade+0x900/0x900
[  306.144171] 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
[  306.149003]  ? trace_hardirqs_off+0xb8/0x310
[  306.152772] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  306.156914]  ? trace_hardirqs_off+0xb8/0x310
[  306.170406] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  306.174814]  __alloc_pages_slowpath+0x26e8/0x2e10
[  306.190133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  306.194548]  ? warn_alloc+0x120/0x120
[  306.209590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  306.214426]  ? print_usage_bug+0xc0/0xc0
[  306.223232] 272 total pagecache pages
[  306.227023]  ? warn_alloc+0x120/0x120
[  306.235591] 0 pages in swap cache
[  306.239666]  ? warn_alloc+0x120/0x120
[  306.243443] Swap cache stats: add 0, delete 0, find 0/0
[  306.247276]  ? print_usage_bug+0xc0/0xc0
[  306.250699] Free swap  = 0kB
[  306.254485]  ? print_usage_bug+0xc0/0xc0
[  306.259818] Total swap = 0kB
[  306.263865]  ? __lock_acquire+0x62f/0x4c20
[  306.266861] 1965979 pages RAM
[  306.270913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.273903] 0 pages HighMem/MovableOnly
[  306.278129]  ? should_fail+0x22d/0xd01
[  306.281207] 342853 pages reserved
[  306.286737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.290693] 0 pages cma reserved
[  306.294576]  ? __lock_acquire+0x62f/0x4c20
[  306.298101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.303094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.303106]  ? __lock_acquire+0x62f/0x4c20
[  306.303121]  ? should_fail+0x22d/0xd01
[  306.306555] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.310690]  ? find_held_lock+0x36/0x1c0
[  306.317157] init cpuset=/ mems_allowed=0
[  306.322251]  ? mark_held_locks+0x130/0x130
[  306.352377]  ? mark_held_locks+0x130/0x130
[  306.356610]  ? zap_class+0x640/0x640
[  306.360318]  ? zap_class+0x640/0x640
[  306.364040]  ? print_usage_bug+0xc0/0xc0
[  306.368100]  ? do_raw_spin_unlock+0xa7/0x330
[  306.372504]  ? zap_class+0x640/0x640
[  306.376264]  ? print_usage_bug+0xc0/0xc0
[  306.380323]  ? wq_watchdog_touch+0x9c/0xfe
[  306.384556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.390093]  ? check_preemption_disabled+0x48/0x280
[  306.395115]  ? __lock_is_held+0xb5/0x140
[  306.399192]  __alloc_pages_nodemask+0xa80/0xde0
[  306.403857]  ? zap_class+0x640/0x640
[  306.407587]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  306.412642]  ? find_held_lock+0x36/0x1c0
[  306.416713]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.421382]  ? lock_downgrade+0x900/0x900
[  306.425535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.431077]  cache_grow_begin+0xa5/0x8c0
[  306.435139]  ? do_raw_spin_unlock+0xa7/0x330
[  306.439566]  fallback_alloc+0x204/0x2e0
[  306.443559]  ____cache_alloc_node+0x1c7/0x1e0
[  306.448060]  kmem_cache_alloc_node+0xe3/0x730
[  306.452570]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.456841]  __alloc_skb+0x119/0x770
[  306.460546]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.465824]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.470226]  ? lock_downgrade+0x900/0x900
[  306.474374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.479943]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.485392]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.490850]  ? addrconf_rs_timer+0x690/0x690
[  306.495282]  ndisc_alloc_skb+0x144/0x340
[  306.499348]  ndisc_send_rs+0x331/0x6e0
[  306.503236]  addrconf_rs_timer+0x314/0x690
[  306.507468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.511707]  call_timer_fn+0x272/0x920
[  306.515587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.519837]  ? process_timeout+0x40/0x40
[  306.523905]  ? mark_held_locks+0xc7/0x130
[  306.528070]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.532566]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.537060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.541289]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.545881]  ? trace_hardirqs_on+0xbd/0x310
[  306.550198]  ? kasan_check_read+0x11/0x20
[  306.554368]  ? __run_timers+0x7da/0xc70
[  306.558482]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.563584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.567855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.572113]  __run_timers+0x7e5/0xc70
[  306.575943]  ? timer_fixup_init+0x70/0x70
[  306.580097]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.585109]  ? zap_class+0x640/0x640
[  306.588825]  ? print_usage_bug+0xc0/0xc0
[  306.592886]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.598075]  ? find_held_lock+0x36/0x1c0
[  306.602138]  ? zap_class+0x640/0x640
[  306.605875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.611416]  ? check_preemption_disabled+0x48/0x280
[  306.616471]  ? __lock_is_held+0xb5/0x140
[  306.620535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.626102]  ? check_preemption_disabled+0x48/0x280
[  306.631120]  run_timer_softirq+0x52/0xb0
[  306.635176]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.640193]  __do_softirq+0x308/0xb7e
[  306.643995]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.648495]  ? lock_downgrade+0x900/0x900
[  306.652645]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.657784]  ? pvclock_read_flags+0x160/0x160
[  306.662285]  ? lapic_next_event+0x5a/0x90
[  306.666436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.671981]  ? kvm_clock_read+0x18/0x30
[  306.675951]  ? kvm_sched_clock_read+0x9/0x20
[  306.680359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.685895]  ? check_preemption_disabled+0x48/0x280
[  306.691389]  irq_exit+0x17f/0x1c0
[  306.694847]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.699682]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.705563]  ? interrupt_entry+0xb5/0xc0
[  306.709639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.714676]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.719687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.724536]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.729577]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.734588]  ? task_prio+0x50/0x50
[  306.738120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.743653]  ? check_preemption_disabled+0x48/0x280
[  306.748672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.753518]  apic_timer_interrupt+0xf/0x20
[  306.757744]  </IRQ>
[  306.759989] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  306.765090] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  306.784004] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  306.791739] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  306.799016] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  306.806312] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  306.813597] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  306.820868] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  306.828397]  shrink_active_list+0x14eb/0x1f00
[  306.832927]  ? shrink_inactive_list+0x1c60/0x1c60
[  306.837780]  ? trace_hardirqs_on+0xbd/0x310
[  306.842125]  ? shrink_inactive_list+0xa4a/0x1c60
[  306.846906]  ? mark_held_locks+0x130/0x130
[  306.851143]  ? __lock_acquire+0x62f/0x4c20
[  306.855386]  ? print_usage_bug+0xc0/0xc0
[  306.859480]  ? mark_held_locks+0x130/0x130
[  306.863733]  ? mark_held_locks+0x130/0x130
[  306.867974]  ? print_usage_bug+0xc0/0xc0
[  306.872055]  ? __lock_acquire+0x62f/0x4c20
[  306.876301]  ? zap_class+0x640/0x640
[  306.880049]  ? zap_class+0x640/0x640
[  306.883773]  ? mark_held_locks+0x130/0x130
[  306.888014]  ? zap_class+0x640/0x640
[  306.891745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.897287]  ? check_preemption_disabled+0x48/0x280
[  306.902313]  ? __lock_is_held+0xb5/0x140
[  306.906382]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.911405]  ? inactive_list_is_low+0x305/0x880
[  306.916101]  ? lruvec_lru_size+0x450/0x450
[  306.920344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.925900]  ? lruvec_lru_size+0x2ab/0x450
[  306.930143]  ? percpu_ref_put_many+0x13e/0x260
[  306.934735]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  306.939672]  ? find_held_lock+0x36/0x1c0
[  306.943751]  shrink_node_memcg+0x803/0x18f0
[  306.948090]  ? shrink_active_list+0x1f00/0x1f00
[  306.952771]  ? lock_downgrade+0x900/0x900
[  306.956933]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.962059]  ? cgroup_procs_write_finish+0xf0/0xf0
[  306.967006]  ? _raw_spin_unlock+0x2c/0x50
[  306.971172]  shrink_node+0x3bc/0x16b0
[  306.974990]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  306.980296]  ? shrink_node_memcg+0x18f0/0x18f0
[  306.984878]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.989573]  ? trace_hardirqs_on+0xbd/0x310
[  306.993954]  ? vmpressure+0x271/0x340
[  306.997770]  ? do_raw_spin_unlock+0xa7/0x330
[  307.002196]  ? do_raw_spin_trylock+0x270/0x270
[  307.006811]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  307.012356]  ? __cpuset_node_allowed+0x19b/0x660
[  307.017118]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  307.022840]  ? vmpressure+0x1a2/0x340
[  307.026688]  do_try_to_free_pages+0x3e7/0x1290
[  307.031271]  ? zap_class+0x640/0x640
[  307.035004]  ? shrink_node+0x16b0/0x16b0
[  307.039077]  ? __lock_is_held+0xb5/0x140
[  307.043201]  try_to_free_pages+0x4d0/0xb90
[  307.047480]  ? do_try_to_free_pages+0x1290/0x1290
[  307.052361]  ? lock_acquire+0x1ed/0x520
[  307.056337]  ? set_page_refcounted+0x280/0x280
[  307.060950]  ? lock_release+0xa00/0xa00
[  307.064931]  ? _raw_spin_unlock_irq+0x60/0x80
[  307.069442]  ? psi_memstall_enter+0x240/0x2b0
[  307.073933]  ? psi_memstall_tick+0x230/0x230
[  307.078354]  __alloc_pages_slowpath+0xa14/0x2e10
[  307.083136]  ? warn_alloc+0x120/0x120
[  307.086936]  ? mark_held_locks+0x130/0x130
[  307.091190]  ? find_get_entry+0xaae/0x1120
[  307.095432]  ? filemap_map_pages+0x1a20/0x1a20
[  307.100017]  ? zap_class+0x640/0x640
[  307.103743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.109283]  ? check_preemption_disabled+0x48/0x280
[  307.114319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.119865]  ? should_fail+0x22d/0xd01
[  307.123763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.128875]  ? zap_class+0x640/0x640
[  307.132631]  ? __lock_is_held+0xb5/0x140
[  307.136703]  ? mark_held_locks+0x130/0x130
[  307.140945]  ? lock_release+0xa00/0xa00
[  307.144930]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.150386]  ? xa_load+0x2ba/0x460
[  307.153932]  ? lock_downgrade+0x900/0x900
[  307.158089]  ? __might_sleep+0x95/0x190
[  307.162075]  __alloc_pages_nodemask+0xa80/0xde0
[  307.166755]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  307.171777]  ? __page_cache_alloc+0x191/0x5c0
[  307.176278]  ? xa_load+0x2e1/0x460
[  307.179824]  ? xa_clear_mark+0x40/0x40
[  307.183733]  ? zap_class+0x640/0x640
[  307.187472]  ? zap_class+0x640/0x640
[  307.191189]  ? zap_class+0x640/0x640
[  307.194906]  ? __do_page_cache_readahead+0x663/0x810
[  307.200059]  ? find_held_lock+0x36/0x1c0
[  307.204155]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  307.209699]  alloc_pages_current+0x173/0x350
[  307.214130]  __page_cache_alloc+0x38c/0x5c0
[  307.218453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.223388]  ? kasan_check_read+0x11/0x20
[  307.227545]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.232844]  ? generic_perform_write+0x6a0/0x6a0
[  307.237621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.243180]  ? check_preemption_disabled+0x48/0x280
[  307.248215]  filemap_fault+0x1595/0x25f0
[  307.252301]  ? __lock_page_or_retry+0xa00/0xa00
[  307.257010]  ? mark_held_locks+0x130/0x130
[  307.261304]  ? filemap_map_pages+0xd6b/0x1a20
[  307.265812]  ? lock_downgrade+0x900/0x900
[  307.269978]  ? check_preemption_disabled+0x48/0x280
[  307.274999]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.279937]  ? kasan_check_read+0x11/0x20
[  307.284121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.289398]  ? rcu_softirq_qs+0x20/0x20
[  307.293384]  ? filemap_map_pages+0xd92/0x1a20
[  307.297889]  ? print_usage_bug+0xc0/0xc0
[  307.301958]  ? find_get_entries_tag+0x1400/0x1400
[  307.306812]  ? __kasan_slab_free+0x102/0x150
[  307.311224]  ? kasan_slab_free+0xe/0x10
[  307.315198]  ? kmem_cache_free+0x83/0x290
[  307.319355]  ? __sigqueue_free.part.29+0x74/0x90
[  307.324150]  ? lock_acquire+0x1ed/0x520
[  307.328131]  ? ext4_filemap_fault+0x7a/0xad
[  307.332470]  ? lock_release+0xa00/0xa00
[  307.336451]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.341929]  ? print_usage_bug+0xc0/0xc0
[  307.346014]  ? print_usage_bug+0xc0/0xc0
[  307.350129]  ? down_read+0x8d/0x120
[  307.353752]  ? ext4_filemap_fault+0x7a/0xad
[  307.358080]  ? __down_interruptible+0x700/0x700
[  307.362765]  ext4_filemap_fault+0x82/0xad
[  307.366919]  __do_fault+0x100/0x6b0
[  307.370571]  ? pmd_devmap_trans_unstable+0x220/0x220
[  307.375687]  ? mark_held_locks+0x130/0x130
[  307.379928]  ? mark_held_locks+0x130/0x130
[  307.384166]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  307.389713]  ? rcu_pm_notify+0xc0/0xc0
[  307.393622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.399170]  __handle_mm_fault+0x3ea0/0x5be0
[  307.403604]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  307.408445]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.412944]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.417567]  ? trace_hardirqs_on+0xbd/0x310
[  307.421894]  ? kasan_check_read+0x11/0x20
[  307.426052]  ? __set_current_blocked+0xdf/0x120
[  307.430727]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.435852]  ? zap_class+0x640/0x640
[  307.439569]  ? zap_class+0x640/0x640
[  307.443295]  ? find_held_lock+0x36/0x1c0
[  307.447369]  ? handle_mm_fault+0x42a/0xc70
[  307.451623]  ? lock_downgrade+0x900/0x900
[  307.455774]  ? check_preemption_disabled+0x48/0x280
[  307.460807]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.465750]  ? kasan_check_read+0x11/0x20
[  307.469900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.475184]  ? rcu_softirq_qs+0x20/0x20
[  307.479163]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.484277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.489821]  ? check_preemption_disabled+0x48/0x280
[  307.494847]  handle_mm_fault+0x54f/0xc70
[  307.498933]  ? __handle_mm_fault+0x5be0/0x5be0
[  307.503520]  ? find_vma+0x34/0x190
[  307.507072]  __do_page_fault+0x5e8/0xe60
[  307.511144]  ? exit_to_usermode_loop+0x1f4/0x380
[  307.515925]  do_page_fault+0xf2/0x7e0
[  307.519740]  ? vmalloc_sync_all+0x30/0x30
[  307.523910]  ? error_entry+0x70/0xd0
[  307.527642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.532660]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.537597]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.542530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.547396]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.552415]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.557896]  ? prepare_exit_to_usermode+0x291/0x3b0
[  307.562961]  ? page_fault+0x8/0x30
[  307.566525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.571401]  ? page_fault+0x8/0x30
[  307.574959]  page_fault+0x1e/0x30
[  307.578410] RIP: 0033:0x45db60
[  307.581614] Code: Bad RIP value.
[  307.584968] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  307.590344] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  307.597652] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  307.604921] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  307.612196] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  307.619465] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  307.626767] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  307.626856] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.633008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.633013] Call Trace:
[  307.633020]  <IRQ>
[  307.633053]  dump_stack+0x244/0x39d
[  307.633070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.633096]  warn_alloc.cold.116+0xb7/0x1bd
[  307.639634] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.648928]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.651483] syz-fuzzer cpuset=/ mems_allowed=0
[  307.653626]  ? lock_downgrade+0x900/0x900
[  307.690617]  ? trace_hardirqs_off+0xb8/0x310
[  307.695052]  ? trace_hardirqs_off+0xb8/0x310
[  307.699480]  __alloc_pages_slowpath+0x26e8/0x2e10
[  307.704415]  ? warn_alloc+0x120/0x120
[  307.708222]  ? print_usage_bug+0xc0/0xc0
[  307.712332]  ? warn_alloc+0x120/0x120
[  307.716132]  ? warn_alloc+0x120/0x120
[  307.719934]  ? print_usage_bug+0xc0/0xc0
[  307.724001]  ? print_usage_bug+0xc0/0xc0
[  307.728072]  ? __lock_acquire+0x62f/0x4c20
[  307.732325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.737858]  ? should_fail+0x22d/0xd01
[  307.741741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.746862]  ? __lock_acquire+0x62f/0x4c20
[  307.751168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.756288]  ? __lock_acquire+0x62f/0x4c20
[  307.760525]  ? should_fail+0x22d/0xd01
[  307.764410]  ? find_held_lock+0x36/0x1c0
[  307.768478]  ? mark_held_locks+0x130/0x130
[  307.772713]  ? mark_held_locks+0x130/0x130
[  307.776944]  ? zap_class+0x640/0x640
[  307.780654]  ? zap_class+0x640/0x640
[  307.784385]  ? print_usage_bug+0xc0/0xc0
[  307.788472]  ? do_raw_spin_unlock+0xa7/0x330
[  307.792879]  ? zap_class+0x640/0x640
[  307.796592]  ? print_usage_bug+0xc0/0xc0
[  307.800685]  ? wq_watchdog_touch+0x9c/0xfe
[  307.804917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.810455]  ? check_preemption_disabled+0x48/0x280
[  307.815481]  ? __lock_is_held+0xb5/0x140
[  307.819577]  __alloc_pages_nodemask+0xa80/0xde0
[  307.824259]  ? zap_class+0x640/0x640
[  307.827976]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  307.833003]  ? find_held_lock+0x36/0x1c0
[  307.837076]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.841748]  ? lock_downgrade+0x900/0x900
[  307.845898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.851453]  cache_grow_begin+0xa5/0x8c0
[  307.855525]  ? do_raw_spin_unlock+0xa7/0x330
[  307.859939]  fallback_alloc+0x204/0x2e0
[  307.863916]  ____cache_alloc_node+0x1c7/0x1e0
[  307.868408]  kmem_cache_alloc_node+0xe3/0x730
[  307.872900]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.877140]  __alloc_skb+0x119/0x770
[  307.880863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.886137]  ? netdev_alloc_frag+0x1f0/0x1f0
[  307.890539]  ? lock_downgrade+0x900/0x900
[  307.894693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.900226]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.905676]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.911120]  ? addrconf_rs_timer+0x690/0x690
[  307.915537]  ndisc_alloc_skb+0x144/0x340
[  307.919600]  ndisc_send_rs+0x331/0x6e0
[  307.923504]  addrconf_rs_timer+0x314/0x690
[  307.927755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.931995]  call_timer_fn+0x272/0x920
[  307.935875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.940103]  ? process_timeout+0x40/0x40
[  307.944183]  ? mark_held_locks+0xc7/0x130
[  307.948345]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.952831]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.957319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.961548]  ? lockdep_hardirqs_on+0x296/0x5b0
[  307.966127]  ? trace_hardirqs_on+0xbd/0x310
[  307.970446]  ? kasan_check_read+0x11/0x20
[  307.974600]  ? __run_timers+0x7da/0xc70
[  307.978567]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.983670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.987903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.992136]  __run_timers+0x7e5/0xc70
[  307.995937]  ? timer_fixup_init+0x70/0x70
[  308.000085]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.005115]  ? zap_class+0x640/0x640
[  308.008827]  ? print_usage_bug+0xc0/0xc0
[  308.012887]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.018080]  ? find_held_lock+0x36/0x1c0
[  308.022140]  ? zap_class+0x640/0x640
[  308.025868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.031407]  ? check_preemption_disabled+0x48/0x280
[  308.036431]  ? __lock_is_held+0xb5/0x140
[  308.040501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.046045]  ? check_preemption_disabled+0x48/0x280
[  308.051068]  run_timer_softirq+0x52/0xb0
[  308.055130]  ? rcu_read_lock_sched_held+0x14f/0x180
[  308.060154]  __do_softirq+0x308/0xb7e
[  308.063956]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  308.068466]  ? lock_downgrade+0x900/0x900
[  308.072643]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  308.077753]  ? pvclock_read_flags+0x160/0x160
[  308.082265]  ? lapic_next_event+0x5a/0x90
[  308.086413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.091957]  ? kvm_clock_read+0x18/0x30
[  308.095976]  ? kvm_sched_clock_read+0x9/0x20
[  308.100389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.105926]  ? check_preemption_disabled+0x48/0x280
[  308.110953]  irq_exit+0x17f/0x1c0
[  308.114410]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.119264]  ? smp_reschedule_interrupt+0x109/0x650
[  308.124282]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.130166]  ? interrupt_entry+0xb5/0xc0
[  308.134243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.139270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.144290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.149135]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.154148]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.159164]  ? task_prio+0x50/0x50
[  308.162704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.168244]  ? check_preemption_disabled+0x48/0x280
[  308.173265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.178120]  apic_timer_interrupt+0xf/0x20
[  308.182360]  </IRQ>
[  308.184604] RIP: 0010:dump_stack+0x358/0x39d
[  308.189012] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  308.207918] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  308.215669] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  308.222936] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  308.230202] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  308.237465] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  308.244730] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  308.252012]  ? dump_stack+0x34f/0x39d
[  308.255827]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.261043]  ? mark_held_locks+0x130/0x130
[  308.265293]  ? mark_held_locks+0x130/0x130
[  308.269549]  dump_header+0x27b/0xf72
[  308.273268]  ? pagefault_out_of_memory+0x197/0x197
[  308.278206]  ? __lock_acquire+0x62f/0x4c20
[  308.282442]  ? percpu_ref_get_many+0x240/0x240
[  308.287035]  ? print_usage_bug+0xc0/0xc0
[  308.291099]  ? zap_class+0x640/0x640
[  308.294808]  ? print_usage_bug+0xc0/0xc0
[  308.298864]  ? print_usage_bug+0xc0/0xc0
[  308.302922]  ? zap_class+0x640/0x640
[  308.306636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.312178]  ? find_held_lock+0x36/0x1c0
[  308.316243]  ? mark_held_locks+0xc7/0x130
[  308.320393]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  308.325495]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  308.330596]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  308.335175]  ? trace_hardirqs_on+0xbd/0x310
[  308.339505]  ? kasan_check_read+0x11/0x20
[  308.343681]  ? ___ratelimit+0x3b4/0x672
[  308.347653]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.352770]  ? trace_hardirqs_on+0x310/0x310
[  308.357176]  ? lock_downgrade+0x900/0x900
[  308.361332]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.366433]  ? ___ratelimit+0x3b9/0x672
[  308.370406]  ? idr_get_free+0xf70/0xf70
[  308.374382]  ? find_held_lock+0x36/0x1c0
[  308.378449]  oom_kill_process.cold.27+0x10/0x903
[  308.383205]  ? zap_class+0x640/0x640
[  308.386920]  ? check_preemption_disabled+0x48/0x280
[  308.391940]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.396868]  ? kasan_check_read+0x11/0x20
[  308.401010]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.406294]  ? oom_evaluate_task+0x540/0x540
[  308.410707]  ? find_held_lock+0x36/0x1c0
[  308.414821]  ? out_of_memory+0x974/0x1430
[  308.418969]  ? lock_downgrade+0x900/0x900
[  308.423116]  ? check_preemption_disabled+0x48/0x280
[  308.428136]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.433107]  ? kasan_check_read+0x11/0x20
[  308.437255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.442530]  ? rcu_softirq_qs+0x20/0x20
[  308.446536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.452080]  ? oom_evaluate_task+0x302/0x540
[  308.456502]  out_of_memory+0xa84/0x1430
[  308.460480]  ? oom_killer_disable+0x3a0/0x3a0
[  308.464990]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  308.469925]  ? __ww_mutex_check_waiters+0x160/0x160
[  308.474955]  __alloc_pages_slowpath+0x2354/0x2e10
[  308.479821]  ? warn_alloc+0x120/0x120
[  308.483618]  ? mark_held_locks+0x130/0x130
[  308.487863]  ? find_get_entry+0xaae/0x1120
[  308.492107]  ? filemap_map_pages+0x1a20/0x1a20
[  308.496694]  ? zap_class+0x640/0x640
[  308.500410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.505945]  ? check_preemption_disabled+0x48/0x280
[  308.510968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.516506]  ? should_fail+0x22d/0xd01
[  308.520395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.525498]  ? zap_class+0x640/0x640
[  308.529231]  ? __lock_is_held+0xb5/0x140
[  308.533295]  ? mark_held_locks+0x130/0x130
[  308.537536]  ? lock_release+0xa00/0xa00
[  308.541510]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.546956]  ? xa_load+0x2ba/0x460
[  308.550511]  ? lock_downgrade+0x900/0x900
[  308.554667]  ? __might_sleep+0x95/0x190
[  308.558830]  __alloc_pages_nodemask+0xa80/0xde0
[  308.563505]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  308.568523]  ? __page_cache_alloc+0x191/0x5c0
[  308.573064]  ? xa_load+0x2e1/0x460
[  308.576608]  ? xa_clear_mark+0x40/0x40
[  308.580499]  ? zap_class+0x640/0x640
[  308.584217]  ? zap_class+0x640/0x640
[  308.587929]  ? zap_class+0x640/0x640
[  308.591644]  ? __do_page_cache_readahead+0x663/0x810
[  308.596750]  ? find_held_lock+0x36/0x1c0
[  308.600814]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  308.606360]  alloc_pages_current+0x173/0x350
[  308.610777]  __page_cache_alloc+0x38c/0x5c0
[  308.615100]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.620034]  ? kasan_check_read+0x11/0x20
[  308.624181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.629462]  ? generic_perform_write+0x6a0/0x6a0
[  308.634219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.639755]  ? check_preemption_disabled+0x48/0x280
[  308.644778]  filemap_fault+0x1595/0x25f0
[  308.648863]  ? __lock_page_or_retry+0xa00/0xa00
[  308.653530]  ? mark_held_locks+0x130/0x130
[  308.657789]  ? filemap_map_pages+0xd6b/0x1a20
[  308.662304]  ? lock_downgrade+0x900/0x900
[  308.666463]  ? check_preemption_disabled+0x48/0x280
[  308.671475]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.676399]  ? kasan_check_read+0x11/0x20
[  308.680561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.685865]  ? rcu_softirq_qs+0x20/0x20
[  308.689963]  ? filemap_map_pages+0xd92/0x1a20
[  308.694458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.700049]  ? find_get_entries_tag+0x1400/0x1400
[  308.704892]  ? __lock_acquire+0x62f/0x4c20
[  308.709170]  ? lock_acquire+0x1ed/0x520
[  308.713146]  ? ext4_filemap_fault+0x7a/0xad
[  308.717472]  ? lock_release+0xa00/0xa00
[  308.721442]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.726890]  ? print_usage_bug+0xc0/0xc0
[  308.730945]  ? print_usage_bug+0xc0/0xc0
[  308.735014]  ? down_read+0x8d/0x120
[  308.738642]  ? ext4_filemap_fault+0x7a/0xad
[  308.742957]  ? __down_interruptible+0x700/0x700
[  308.747643]  ext4_filemap_fault+0x82/0xad
[  308.751791]  __do_fault+0x100/0x6b0
[  308.755419]  ? pmd_devmap_trans_unstable+0x220/0x220
[  308.760531]  ? mark_held_locks+0x130/0x130
[  308.764765]  ? mark_held_locks+0x130/0x130
[  308.768997]  ? find_held_lock+0x36/0x1c0
[  308.773073]  ? find_held_lock+0x36/0x1c0
[  308.777136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.782681]  __handle_mm_fault+0x3ea0/0x5be0
[  308.787090]  ? poll_select_copy_remaining+0x18c/0x6a0
[  308.792291]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  308.797159]  ? __might_fault+0x12b/0x1e0
[  308.801234]  ? lock_downgrade+0x900/0x900
[  308.805390]  ? zap_class+0x640/0x640
[  308.809106]  ? zap_class+0x640/0x640
[  308.812826]  ? find_held_lock+0x36/0x1c0
[  308.816898]  ? handle_mm_fault+0x42a/0xc70
[  308.821138]  ? lock_downgrade+0x900/0x900
[  308.825291]  ? check_preemption_disabled+0x48/0x280
[  308.830342]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.835270]  ? kasan_check_read+0x11/0x20
[  308.839438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.844711]  ? rcu_softirq_qs+0x20/0x20
[  308.848688]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.853795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.859339]  ? check_preemption_disabled+0x48/0x280
[  308.864360]  handle_mm_fault+0x54f/0xc70
[  308.868426]  ? __handle_mm_fault+0x5be0/0x5be0
[  308.873009]  ? find_vma+0x34/0x190
[  308.876599]  __do_page_fault+0x5e8/0xe60
[  308.880658]  ? trace_hardirqs_off+0xb8/0x310
[  308.885079]  do_page_fault+0xf2/0x7e0
[  308.888881]  ? vmalloc_sync_all+0x30/0x30
[  308.893035]  ? error_entry+0x70/0xd0
[  308.896753]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.901764]  ? trace_hardirqs_on_caller+0xc0/0x310
[  308.906689]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.911618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.916462]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.921476]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.926925]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.931939]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.936955]  ? page_fault+0x8/0x30
[  308.940494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.945334]  ? page_fault+0x8/0x30
[  308.948869]  page_fault+0x1e/0x30
[  308.952323] RIP: 0033:0x7fafaecd0dd3
[  308.956073] Code: Bad RIP value.
[  308.959437] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  308.964799] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  308.972064] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  308.979358] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  308.986623] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  308.993886] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  309.001171] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  309.001176] warn_alloc_show_mem: 1 callbacks suppressed
[  309.001182] Mem-Info:
[  309.008192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.013599] active_anon:50685 inactive_anon:189 isolated_anon:0
[  309.013599]  active_file:14 inactive_file:14 isolated_file:0
[  309.013599]  unevictable:0 dirty:0 writeback:0 unstable:0
[  309.013599]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  309.013599]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  309.013599]  free:13759 free_pcp:552 free_cma:0
[  309.015948] Call Trace:
[  309.025337] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  309.058175]  <IRQ>
[  309.060738] 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
[  309.088139]  dump_stack+0x244/0x39d
[  309.090257] lowmem_reserve[]: 0 2818 6321 6321
[  309.116383]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.119981] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  309.124565]  warn_alloc.cold.116+0xb7/0x1bd
[  309.129733] lowmem_reserve[]: 0 0 3503 3503
[  309.157320]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.161612] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  309.165932]  ? lock_downgrade+0x900/0x900
[  309.170766] lowmem_reserve[]: 0 0 0 0
[  309.199828]  ? trace_hardirqs_off+0xb8/0x310
[  309.203959] 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
[  309.207770]  ? trace_hardirqs_off+0xb8/0x310
[  309.212153] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  309.225669]  __alloc_pages_slowpath+0x26e8/0x2e10
[  309.230065] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  309.245438]  ? warn_alloc+0x120/0x120
[  309.250239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.265320]  ? print_usage_bug+0xc0/0xc0
[  309.269097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.277917]  ? warn_alloc+0x120/0x120
[  309.281955] 272 total pagecache pages
[  309.290523]  ? warn_alloc+0x120/0x120
[  309.294313] 0 pages in swap cache
[  309.298177]  ? print_usage_bug+0xc0/0xc0
[  309.301954] Swap cache stats: add 0, delete 0, find 0/0
[  309.305395]  ? print_usage_bug+0xc0/0xc0
[  309.309431] Free swap  = 0kB
[  309.314781]  ? __lock_acquire+0x62f/0x4c20
[  309.318817] Total swap = 0kB
[  309.321843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.326050] 1965979 pages RAM
[  309.329070]  ? should_fail+0x22d/0xd01
[  309.334579] 0 pages HighMem/MovableOnly
[  309.337673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.341536] 342853 pages reserved
[  309.345517]  ? __lock_acquire+0x62f/0x4c20
[  309.350623] 0 pages cma reserved
[  309.354069]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.358429] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.361661]  ? __lock_acquire+0x62f/0x4c20
[  309.361673]  ? should_fail+0x22d/0xd01
[  309.361686]  ? find_held_lock+0x36/0x1c0
[  309.361706]  ? mark_held_locks+0x130/0x130
[  309.366842] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.373273]  ? mark_held_locks+0x130/0x130
[  309.377481] init cpuset=/ mems_allowed=0
[  309.381358]  ? zap_class+0x640/0x640
[  309.381372]  ? zap_class+0x640/0x640
[  309.415001]  ? print_usage_bug+0xc0/0xc0
[  309.419084]  ? do_raw_spin_unlock+0xa7/0x330
[  309.423536]  ? zap_class+0x640/0x640
[  309.427247]  ? print_usage_bug+0xc0/0xc0
[  309.431302]  ? wq_watchdog_touch+0x9c/0xfe
[  309.435564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.441099]  ? check_preemption_disabled+0x48/0x280
[  309.446119]  ? __lock_is_held+0xb5/0x140
[  309.450182]  __alloc_pages_nodemask+0xa80/0xde0
[  309.454849]  ? zap_class+0x640/0x640
[  309.458563]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.463630]  ? find_held_lock+0x36/0x1c0
[  309.467695]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.472364]  ? lock_downgrade+0x900/0x900
[  309.476541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.482077]  cache_grow_begin+0xa5/0x8c0
[  309.486131]  ? do_raw_spin_unlock+0xa7/0x330
[  309.490544]  fallback_alloc+0x204/0x2e0
[  309.494522]  ____cache_alloc_node+0x1c7/0x1e0
[  309.499035]  kmem_cache_alloc_node+0xe3/0x730
[  309.503540]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.507780]  __alloc_skb+0x119/0x770
[  309.511511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.516804]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.521222]  ? lock_downgrade+0x900/0x900
[  309.525378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.530916]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.536370]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.541849]  ? addrconf_rs_timer+0x690/0x690
[  309.546268]  ndisc_alloc_skb+0x144/0x340
[  309.550336]  ndisc_send_rs+0x331/0x6e0
[  309.554228]  addrconf_rs_timer+0x314/0x690
[  309.558469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.562727]  call_timer_fn+0x272/0x920
[  309.566612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.570842]  ? process_timeout+0x40/0x40
[  309.574927]  ? mark_held_locks+0xc7/0x130
[  309.579080]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.583575]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.588073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.592309]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.596899]  ? trace_hardirqs_on+0xbd/0x310
[  309.601224]  ? kasan_check_read+0x11/0x20
[  309.605371]  ? __run_timers+0x7da/0xc70
[  309.609345]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.614452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.618709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.622962]  __run_timers+0x7e5/0xc70
[  309.626775]  ? timer_fixup_init+0x70/0x70
[  309.630933]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.635960]  ? zap_class+0x640/0x640
[  309.639677]  ? print_usage_bug+0xc0/0xc0
[  309.643769]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.648968]  ? find_held_lock+0x36/0x1c0
[  309.653038]  ? zap_class+0x640/0x640
[  309.656759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.662296]  ? check_preemption_disabled+0x48/0x280
[  309.667323]  ? __lock_is_held+0xb5/0x140
[  309.671415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.676963]  ? check_preemption_disabled+0x48/0x280
[  309.681983]  run_timer_softirq+0x52/0xb0
[  309.686051]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.691083]  __do_softirq+0x308/0xb7e
[  309.694891]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.699384]  ? lock_downgrade+0x900/0x900
[  309.703538]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.708648]  ? pvclock_read_flags+0x160/0x160
[  309.713142]  ? lapic_next_event+0x5a/0x90
[  309.717292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.722834]  ? kvm_clock_read+0x18/0x30
[  309.726811]  ? kvm_sched_clock_read+0x9/0x20
[  309.731223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.736784]  ? check_preemption_disabled+0x48/0x280
[  309.741830]  irq_exit+0x17f/0x1c0
[  309.745289]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.750147]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.756049]  ? interrupt_entry+0xb5/0xc0
[  309.760120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.765142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.770169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.775040]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.780104]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.785127]  ? task_prio+0x50/0x50
[  309.788703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.794253]  ? check_preemption_disabled+0x48/0x280
[  309.799303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.804168]  apic_timer_interrupt+0xf/0x20
[  309.808404]  </IRQ>
[  309.810648] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  309.815756] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  309.834692] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  309.842425] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  309.849710] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  309.856995] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  309.864283] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  309.871567] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  309.878916]  shrink_active_list+0x14eb/0x1f00
[  309.883449]  ? shrink_inactive_list+0x1c60/0x1c60
[  309.888305]  ? trace_hardirqs_on+0xbd/0x310
[  309.892640]  ? shrink_inactive_list+0xa4a/0x1c60
[  309.897415]  ? mark_held_locks+0x130/0x130
[  309.901657]  ? __lock_acquire+0x62f/0x4c20
[  309.905900]  ? print_usage_bug+0xc0/0xc0
[  309.909970]  ? mark_held_locks+0x130/0x130
[  309.914224]  ? mark_held_locks+0x130/0x130
[  309.918468]  ? print_usage_bug+0xc0/0xc0
[  309.922543]  ? __lock_acquire+0x62f/0x4c20
[  309.926783]  ? zap_class+0x640/0x640
[  309.930506]  ? zap_class+0x640/0x640
[  309.934233]  ? mark_held_locks+0x130/0x130
[  309.938473]  ? zap_class+0x640/0x640
[  309.942201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.947752]  ? check_preemption_disabled+0x48/0x280
[  309.952782]  ? __lock_is_held+0xb5/0x140
[  309.956863]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.961885]  ? inactive_list_is_low+0x305/0x880
[  309.966564]  ? lruvec_lru_size+0x450/0x450
[  309.970814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.976360]  ? lruvec_lru_size+0x2ab/0x450
[  309.980599]  ? percpu_ref_put_many+0x13e/0x260
[  309.985191]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  309.990125]  ? find_held_lock+0x36/0x1c0
[  309.994194]  shrink_node_memcg+0x803/0x18f0
[  309.998538]  ? shrink_active_list+0x1f00/0x1f00
[  310.003219]  ? lock_downgrade+0x900/0x900
[  310.007378]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.012492]  ? cgroup_procs_write_finish+0xf0/0xf0
[  310.017435]  ? _raw_spin_unlock+0x2c/0x50
[  310.021598]  shrink_node+0x3bc/0x16b0
[  310.025405]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  310.030717]  ? shrink_node_memcg+0x18f0/0x18f0
[  310.035308]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.039896]  ? trace_hardirqs_on+0xbd/0x310
[  310.044242]  ? vmpressure+0x271/0x340
[  310.048072]  ? do_raw_spin_unlock+0xa7/0x330
[  310.052486]  ? do_raw_spin_trylock+0x270/0x270
[  310.057085]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.062642]  ? __cpuset_node_allowed+0x19b/0x660
[  310.067408]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  310.073125]  ? vmpressure+0x1a2/0x340
[  310.076939]  do_try_to_free_pages+0x3e7/0x1290
[  310.081539]  ? zap_class+0x640/0x640
[  310.085274]  ? shrink_node+0x16b0/0x16b0
[  310.089348]  ? __lock_is_held+0xb5/0x140
[  310.093424]  try_to_free_pages+0x4d0/0xb90
[  310.097711]  ? do_try_to_free_pages+0x1290/0x1290
[  310.102574]  ? lock_acquire+0x1ed/0x520
[  310.106554]  ? set_page_refcounted+0x280/0x280
[  310.111148]  ? lock_release+0xa00/0xa00
[  310.115148]  ? _raw_spin_unlock_irq+0x60/0x80
[  310.119647]  ? psi_memstall_enter+0x240/0x2b0
[  310.124147]  ? psi_memstall_tick+0x230/0x230
[  310.128578]  __alloc_pages_slowpath+0xa14/0x2e10
[  310.133377]  ? warn_alloc+0x120/0x120
[  310.137187]  ? mark_held_locks+0x130/0x130
[  310.141437]  ? find_get_entry+0xaae/0x1120
[  310.145688]  ? filemap_map_pages+0x1a20/0x1a20
[  310.150282]  ? zap_class+0x640/0x640
[  310.154012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.159572]  ? check_preemption_disabled+0x48/0x280
[  310.164597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.170156]  ? should_fail+0x22d/0xd01
[  310.174067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.179173]  ? zap_class+0x640/0x640
[  310.182918]  ? __lock_is_held+0xb5/0x140
[  310.186992]  ? mark_held_locks+0x130/0x130
[  310.191237]  ? lock_release+0xa00/0xa00
[  310.195220]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.200674]  ? xa_load+0x2ba/0x460
[  310.204245]  ? lock_downgrade+0x900/0x900
[  310.208409]  ? __might_sleep+0x95/0x190
[  310.212412]  __alloc_pages_nodemask+0xa80/0xde0
[  310.217093]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  310.222113]  ? __page_cache_alloc+0x191/0x5c0
[  310.226613]  ? xa_load+0x2e1/0x460
[  310.230169]  ? xa_clear_mark+0x40/0x40
[  310.234074]  ? zap_class+0x640/0x640
[  310.237821]  ? zap_class+0x640/0x640
[  310.241538]  ? zap_class+0x640/0x640
[  310.245262]  ? __do_page_cache_readahead+0x663/0x810
[  310.250388]  ? find_held_lock+0x36/0x1c0
[  310.254457]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  310.260010]  alloc_pages_current+0x173/0x350
[  310.264438]  __page_cache_alloc+0x38c/0x5c0
[  310.268759]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.273705]  ? kasan_check_read+0x11/0x20
[  310.277855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.283153]  ? generic_perform_write+0x6a0/0x6a0
[  310.287916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.293484]  ? check_preemption_disabled+0x48/0x280
[  310.298514]  filemap_fault+0x1595/0x25f0
[  310.302594]  ? __lock_page_or_retry+0xa00/0xa00
[  310.307272]  ? mark_held_locks+0x130/0x130
[  310.311521]  ? filemap_map_pages+0xd6b/0x1a20
[  310.316023]  ? lock_downgrade+0x900/0x900
[  310.320300]  ? check_preemption_disabled+0x48/0x280
[  310.325320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.330251]  ? kasan_check_read+0x11/0x20
[  310.334416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.339715]  ? rcu_softirq_qs+0x20/0x20
[  310.343722]  ? filemap_map_pages+0xd92/0x1a20
[  310.348258]  ? print_usage_bug+0xc0/0xc0
[  310.352337]  ? find_get_entries_tag+0x1400/0x1400
[  310.357188]  ? __kasan_slab_free+0x102/0x150
[  310.361604]  ? kasan_slab_free+0xe/0x10
[  310.365580]  ? kmem_cache_free+0x83/0x290
[  310.369732]  ? __sigqueue_free.part.29+0x74/0x90
[  310.374517]  ? lock_acquire+0x1ed/0x520
[  310.378495]  ? ext4_filemap_fault+0x7a/0xad
[  310.382829]  ? lock_release+0xa00/0xa00
[  310.386807]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.392261]  ? print_usage_bug+0xc0/0xc0
[  310.396327]  ? print_usage_bug+0xc0/0xc0
[  310.400404]  ? down_read+0x8d/0x120
[  310.404041]  ? ext4_filemap_fault+0x7a/0xad
[  310.408372]  ? __down_interruptible+0x700/0x700
[  310.413062]  ext4_filemap_fault+0x82/0xad
[  310.417216]  __do_fault+0x100/0x6b0
[  310.420850]  ? pmd_devmap_trans_unstable+0x220/0x220
[  310.425959]  ? mark_held_locks+0x130/0x130
[  310.430197]  ? mark_held_locks+0x130/0x130
[  310.434436]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  310.439979]  ? rcu_pm_notify+0xc0/0xc0
[  310.443880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.449455]  __handle_mm_fault+0x3ea0/0x5be0
[  310.453880]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  310.458726]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.463267]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.467852]  ? trace_hardirqs_on+0xbd/0x310
[  310.472175]  ? kasan_check_read+0x11/0x20
[  310.476345]  ? __set_current_blocked+0xdf/0x120
[  310.481046]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.486167]  ? zap_class+0x640/0x640
[  310.489883]  ? zap_class+0x640/0x640
[  310.493604]  ? find_held_lock+0x36/0x1c0
[  310.497677]  ? handle_mm_fault+0x42a/0xc70
[  310.501945]  ? lock_downgrade+0x900/0x900
[  310.506101]  ? check_preemption_disabled+0x48/0x280
[  310.511127]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.516070]  ? kasan_check_read+0x11/0x20
[  310.520220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.525503]  ? rcu_softirq_qs+0x20/0x20
[  310.529479]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.534593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.540136]  ? check_preemption_disabled+0x48/0x280
[  310.545171]  handle_mm_fault+0x54f/0xc70
[  310.549262]  ? __handle_mm_fault+0x5be0/0x5be0
[  310.553854]  ? find_vma+0x34/0x190
[  310.557564]  __do_page_fault+0x5e8/0xe60
[  310.561637]  ? exit_to_usermode_loop+0x1f4/0x380
[  310.566409]  do_page_fault+0xf2/0x7e0
[  310.570215]  ? vmalloc_sync_all+0x30/0x30
[  310.574378]  ? error_entry+0x70/0xd0
[  310.578098]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.583117]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.588062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.593009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.597865]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.602882]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.608358]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.613379]  ? page_fault+0x8/0x30
[  310.616929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.621809]  ? page_fault+0x8/0x30
[  310.625349]  page_fault+0x1e/0x30
[  310.628809] RIP: 0033:0x45db60
[  310.632015] Code: Bad RIP value.
[  310.635395] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  310.640773] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  310.648044] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  310.655309] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  310.662589] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  310.669867] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  310.677153] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  310.677235] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  310.683483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.683488] Call Trace:
[  310.683495]  <IRQ>
[  310.683523]  dump_stack+0x244/0x39d
[  310.683540]  ? dump_stack_print_info.cold.1+0x20/0x20
[  310.690556] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.699852]  warn_alloc.cold.116+0xb7/0x1bd
[  310.702431] syz-fuzzer cpuset=/ mems_allowed=0
[  310.704616]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.737342]  ? lock_downgrade+0x900/0x900
[  310.741493]  ? trace_hardirqs_off+0xb8/0x310
[  310.745919]  ? trace_hardirqs_off+0xb8/0x310
[  310.750353]  __alloc_pages_slowpath+0x26e8/0x2e10
[  310.755218]  ? warn_alloc+0x120/0x120
[  310.759015]  ? print_usage_bug+0xc0/0xc0
[  310.763093]  ? warn_alloc+0x120/0x120
[  310.766909]  ? warn_alloc+0x120/0x120
[  310.770715]  ? print_usage_bug+0xc0/0xc0
[  310.774796]  ? print_usage_bug+0xc0/0xc0
[  310.778868]  ? __lock_acquire+0x62f/0x4c20
[  310.783106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.788639]  ? should_fail+0x22d/0xd01
[  310.792533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.797634]  ? __lock_acquire+0x62f/0x4c20
[  310.801884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.806984]  ? __lock_acquire+0x62f/0x4c20
[  310.811211]  ? should_fail+0x22d/0xd01
[  310.815098]  ? find_held_lock+0x36/0x1c0
[  310.819164]  ? mark_held_locks+0x130/0x130
[  310.823405]  ? mark_held_locks+0x130/0x130
[  310.827636]  ? zap_class+0x640/0x640
[  310.831348]  ? zap_class+0x640/0x640
[  310.835079]  ? print_usage_bug+0xc0/0xc0
[  310.839156]  ? do_raw_spin_unlock+0xa7/0x330
[  310.843563]  ? zap_class+0x640/0x640
[  310.847278]  ? print_usage_bug+0xc0/0xc0
[  310.851345]  ? wq_watchdog_touch+0x9c/0xfe
[  310.855594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.861134]  ? check_preemption_disabled+0x48/0x280
[  310.866156]  ? __lock_is_held+0xb5/0x140
[  310.870221]  __alloc_pages_nodemask+0xa80/0xde0
[  310.874887]  ? zap_class+0x640/0x640
[  310.878620]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  310.883644]  ? find_held_lock+0x36/0x1c0
[  310.887716]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.892383]  ? lock_downgrade+0x900/0x900
[  310.896534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.902083]  cache_grow_begin+0xa5/0x8c0
[  310.906144]  ? do_raw_spin_unlock+0xa7/0x330
[  310.910563]  fallback_alloc+0x204/0x2e0
[  310.914547]  ____cache_alloc_node+0x1c7/0x1e0
[  310.919055]  kmem_cache_alloc_node+0xe3/0x730
[  310.923550]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.927793]  __alloc_skb+0x119/0x770
[  310.931537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.936817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  310.941226]  ? lock_downgrade+0x900/0x900
[  310.945381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.950915]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.956367]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.961811]  ? addrconf_rs_timer+0x690/0x690
[  310.966225]  ndisc_alloc_skb+0x144/0x340
[  310.970286]  ndisc_send_rs+0x331/0x6e0
[  310.974192]  addrconf_rs_timer+0x314/0x690
[  310.978430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.982667]  call_timer_fn+0x272/0x920
[  310.986564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.990794]  ? process_timeout+0x40/0x40
[  310.994859]  ? mark_held_locks+0xc7/0x130
[  310.999005]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.003505]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.008033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.012286]  ? lockdep_hardirqs_on+0x296/0x5b0
[  311.016889]  ? trace_hardirqs_on+0xbd/0x310
[  311.021207]  ? kasan_check_read+0x11/0x20
[  311.025353]  ? __run_timers+0x7da/0xc70
[  311.029330]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.034446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.038694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.042936]  __run_timers+0x7e5/0xc70
[  311.046742]  ? timer_fixup_init+0x70/0x70
[  311.050895]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.055911]  ? zap_class+0x640/0x640
[  311.059624]  ? print_usage_bug+0xc0/0xc0
[  311.063697]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.068890]  ? find_held_lock+0x36/0x1c0
[  311.072955]  ? zap_class+0x640/0x640
[  311.076687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.082224]  ? check_preemption_disabled+0x48/0x280
[  311.087246]  ? __lock_is_held+0xb5/0x140
[  311.091353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.096890]  ? check_preemption_disabled+0x48/0x280
[  311.101910]  run_timer_softirq+0x52/0xb0
[  311.106013]  ? rcu_read_lock_sched_held+0x14f/0x180
[  311.111045]  __do_softirq+0x308/0xb7e
[  311.114877]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  311.119372]  ? lock_downgrade+0x900/0x900
[  311.123523]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  311.128634]  ? pvclock_read_flags+0x160/0x160
[  311.133130]  ? lapic_next_event+0x5a/0x90
[  311.137278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.142818]  ? kvm_clock_read+0x18/0x30
[  311.146790]  ? kvm_sched_clock_read+0x9/0x20
[  311.151201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.156736]  ? check_preemption_disabled+0x48/0x280
[  311.161774]  irq_exit+0x17f/0x1c0
[  311.165224]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.170063]  ? smp_reschedule_interrupt+0x109/0x650
[  311.175077]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.180959]  ? interrupt_entry+0xb5/0xc0
[  311.185020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.190052]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.195075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.199917]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.204930]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.209942]  ? task_prio+0x50/0x50
[  311.213484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.219033]  ? check_preemption_disabled+0x48/0x280
[  311.224097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.228947]  apic_timer_interrupt+0xf/0x20
[  311.233175]  </IRQ>
[  311.235418] RIP: 0010:dump_stack+0x358/0x39d
[  311.239829] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  311.258739] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  311.266442] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  311.273717] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  311.280978] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  311.288242] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  311.295519] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  311.302801]  ? dump_stack+0x34f/0x39d
[  311.306616]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.311830]  ? mark_held_locks+0x130/0x130
[  311.316077]  ? mark_held_locks+0x130/0x130
[  311.320320]  dump_header+0x27b/0xf72
[  311.324057]  ? pagefault_out_of_memory+0x197/0x197
[  311.328992]  ? __lock_acquire+0x62f/0x4c20
[  311.333255]  ? percpu_ref_get_many+0x240/0x240
[  311.337878]  ? print_usage_bug+0xc0/0xc0
[  311.341947]  ? zap_class+0x640/0x640
[  311.345660]  ? print_usage_bug+0xc0/0xc0
[  311.349719]  ? print_usage_bug+0xc0/0xc0
[  311.353783]  ? zap_class+0x640/0x640
[  311.357502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.363061]  ? find_held_lock+0x36/0x1c0
[  311.367133]  ? mark_held_locks+0xc7/0x130
[  311.371285]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.376389]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.381505]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  311.386090]  ? trace_hardirqs_on+0xbd/0x310
[  311.390412]  ? kasan_check_read+0x11/0x20
[  311.394558]  ? ___ratelimit+0x3b4/0x672
[  311.398552]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.403653]  ? trace_hardirqs_on+0x310/0x310
[  311.408090]  ? lock_downgrade+0x900/0x900
[  311.412244]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.417343]  ? ___ratelimit+0x3b9/0x672
[  311.421354]  ? idr_get_free+0xf70/0xf70
[  311.425330]  ? find_held_lock+0x36/0x1c0
[  311.429410]  oom_kill_process.cold.27+0x10/0x903
[  311.434165]  ? zap_class+0x640/0x640
[  311.437874]  ? check_preemption_disabled+0x48/0x280
[  311.442891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.447818]  ? kasan_check_read+0x11/0x20
[  311.451980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.457291]  ? oom_evaluate_task+0x540/0x540
[  311.461710]  ? find_held_lock+0x36/0x1c0
[  311.465775]  ? out_of_memory+0x974/0x1430
[  311.469921]  ? lock_downgrade+0x900/0x900
[  311.474065]  ? check_preemption_disabled+0x48/0x280
[  311.479096]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.484021]  ? kasan_check_read+0x11/0x20
[  311.488172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.493446]  ? rcu_softirq_qs+0x20/0x20
[  311.497424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.502970]  ? oom_evaluate_task+0x302/0x540
[  311.507379]  out_of_memory+0xa84/0x1430
[  311.511357]  ? oom_killer_disable+0x3a0/0x3a0
[  311.515853]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  311.520781]  ? __ww_mutex_check_waiters+0x160/0x160
[  311.525803]  __alloc_pages_slowpath+0x2354/0x2e10
[  311.530671]  ? warn_alloc+0x120/0x120
[  311.534467]  ? mark_held_locks+0x130/0x130
[  311.538701]  ? find_get_entry+0xaae/0x1120
[  311.542939]  ? filemap_map_pages+0x1a20/0x1a20
[  311.547520]  ? zap_class+0x640/0x640
[  311.551238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.556771]  ? check_preemption_disabled+0x48/0x280
[  311.561787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.567325]  ? should_fail+0x22d/0xd01
[  311.571218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.576322]  ? zap_class+0x640/0x640
[  311.580065]  ? __lock_is_held+0xb5/0x140
[  311.584131]  ? mark_held_locks+0x130/0x130
[  311.588368]  ? lock_release+0xa00/0xa00
[  311.592337]  ? perf_trace_sched_process_exec+0x860/0x860
[  311.597783]  ? xa_load+0x2ba/0x460
[  311.601336]  ? lock_downgrade+0x900/0x900
[  311.605493]  ? __might_sleep+0x95/0x190
[  311.609470]  __alloc_pages_nodemask+0xa80/0xde0
[  311.614147]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  311.619161]  ? __page_cache_alloc+0x191/0x5c0
[  311.623656]  ? xa_load+0x2e1/0x460
[  311.627211]  ? xa_clear_mark+0x40/0x40
[  311.631113]  ? zap_class+0x640/0x640
[  311.634826]  ? zap_class+0x640/0x640
[  311.638535]  ? zap_class+0x640/0x640
[  311.642244]  ? __do_page_cache_readahead+0x663/0x810
[  311.647377]  ? find_held_lock+0x36/0x1c0
[  311.651467]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  311.657023]  alloc_pages_current+0x173/0x350
[  311.661479]  __page_cache_alloc+0x38c/0x5c0
[  311.665799]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.670731]  ? kasan_check_read+0x11/0x20
[  311.674876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.680157]  ? generic_perform_write+0x6a0/0x6a0
[  311.684908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.690442]  ? check_preemption_disabled+0x48/0x280
[  311.695485]  filemap_fault+0x1595/0x25f0
[  311.699557]  ? __lock_page_or_retry+0xa00/0xa00
[  311.704226]  ? mark_held_locks+0x130/0x130
[  311.708470]  ? filemap_map_pages+0xd6b/0x1a20
[  311.712967]  ? lock_downgrade+0x900/0x900
[  311.717111]  ? check_preemption_disabled+0x48/0x280
[  311.722129]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.727070]  ? kasan_check_read+0x11/0x20
[  311.731214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.736489]  ? rcu_softirq_qs+0x20/0x20
[  311.740472]  ? filemap_map_pages+0xd92/0x1a20
[  311.744971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.750513]  ? find_get_entries_tag+0x1400/0x1400
[  311.755375]  ? __lock_acquire+0x62f/0x4c20
[  311.759619]  ? lock_acquire+0x1ed/0x520
[  311.763653]  ? ext4_filemap_fault+0x7a/0xad
[  311.767979]  ? lock_release+0xa00/0xa00
[  311.771970]  ? perf_trace_sched_process_exec+0x860/0x860
[  311.777433]  ? print_usage_bug+0xc0/0xc0
[  311.781497]  ? print_usage_bug+0xc0/0xc0
[  311.785568]  ? down_read+0x8d/0x120
[  311.789193]  ? ext4_filemap_fault+0x7a/0xad
[  311.793517]  ? __down_interruptible+0x700/0x700
[  311.798193]  ext4_filemap_fault+0x82/0xad
[  311.802345]  __do_fault+0x100/0x6b0
[  311.805991]  ? pmd_devmap_trans_unstable+0x220/0x220
[  311.811122]  ? mark_held_locks+0x130/0x130
[  311.815355]  ? mark_held_locks+0x130/0x130
[  311.819584]  ? find_held_lock+0x36/0x1c0
[  311.823663]  ? find_held_lock+0x36/0x1c0
[  311.827724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.833264]  __handle_mm_fault+0x3ea0/0x5be0
[  311.837681]  ? poll_select_copy_remaining+0x18c/0x6a0
[  311.842871]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  311.847733]  ? __might_fault+0x12b/0x1e0
[  311.851795]  ? lock_downgrade+0x900/0x900
[  311.855953]  ? zap_class+0x640/0x640
[  311.859690]  ? zap_class+0x640/0x640
[  311.863405]  ? find_held_lock+0x36/0x1c0
[  311.867470]  ? handle_mm_fault+0x42a/0xc70
[  311.871703]  ? lock_downgrade+0x900/0x900
[  311.875850]  ? check_preemption_disabled+0x48/0x280
[  311.880866]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.885793]  ? kasan_check_read+0x11/0x20
[  311.889934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.895207]  ? rcu_softirq_qs+0x20/0x20
[  311.899179]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.904285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.909839]  ? check_preemption_disabled+0x48/0x280
[  311.914856]  handle_mm_fault+0x54f/0xc70
[  311.918912]  ? __handle_mm_fault+0x5be0/0x5be0
[  311.923507]  ? find_vma+0x34/0x190
[  311.927060]  __do_page_fault+0x5e8/0xe60
[  311.931121]  ? trace_hardirqs_off+0xb8/0x310
[  311.935554]  do_page_fault+0xf2/0x7e0
[  311.939345]  ? vmalloc_sync_all+0x30/0x30
[  311.943518]  ? error_entry+0x70/0xd0
[  311.947246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.952255]  ? trace_hardirqs_on_caller+0xc0/0x310
[  311.957180]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.962100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.966935]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.971948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.977397]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  311.982411]  ? prepare_exit_to_usermode+0x291/0x3b0
[  311.987420]  ? page_fault+0x8/0x30
[  311.990958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.995811]  ? page_fault+0x8/0x30
[  311.999366]  page_fault+0x1e/0x30
[  312.002812] RIP: 0033:0x7fafaecd0dd3
[  312.006535] Code: Bad RIP value.
[  312.009891] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  312.015249] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  312.022516] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  312.029782] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  312.037051] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  312.044326] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  312.051613] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  312.051618] warn_alloc_show_mem: 1 callbacks suppressed
[  312.051625] Mem-Info:
[  312.058633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.063993] active_anon:50685 inactive_anon:189 isolated_anon:0
[  312.063993]  active_file:14 inactive_file:14 isolated_file:0
[  312.063993]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.063993]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  312.063993]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  312.063993]  free:13759 free_pcp:552 free_cma:0
[  312.066362] Call Trace:
[  312.075761] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.108599]  <IRQ>
[  312.111167] 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
[  312.138574]  dump_stack+0x244/0x39d
[  312.140692] lowmem_reserve[]: 0 2818 6321 6321
[  312.166794]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.170440] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  312.175019]  warn_alloc.cold.116+0xb7/0x1bd
[  312.180177] lowmem_reserve[]: 0 0 3503 3503
[  312.207783]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.212076] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  312.216391]  ? lock_downgrade+0x900/0x900
[  312.221204] lowmem_reserve[]: 0 0 0 0
[  312.250260]  ? trace_hardirqs_off+0xb8/0x310
[  312.254379] 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
[  312.258173]  ? trace_hardirqs_off+0xb8/0x310
[  312.262567] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  312.276087]  __alloc_pages_slowpath+0x26e8/0x2e10
[  312.280464] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  312.295831]  ? warn_alloc+0x120/0x120
[  312.300631] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  312.315705]  ? print_usage_bug+0xc0/0xc0
[  312.319497] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  312.328337]  ? warn_alloc+0x120/0x120
[  312.332396] 272 total pagecache pages
[  312.340961]  ? warn_alloc+0x120/0x120
[  312.344745] 0 pages in swap cache
[  312.348541]  ? print_usage_bug+0xc0/0xc0
[  312.352324] Swap cache stats: add 0, delete 0, find 0/0
[  312.355760]  ? print_usage_bug+0xc0/0xc0
[  312.359802] Free swap  = 0kB
[  312.359810] Total swap = 0kB
[  312.365164]  ? __lock_acquire+0x62f/0x4c20
[  312.369201] 1965979 pages RAM
[  312.372225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.375220] 0 pages HighMem/MovableOnly
[  312.379447]  ? should_fail+0x22d/0xd01
[  312.382522] 342853 pages reserved
[  312.388056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.392007] 0 pages cma reserved
[  312.395889]  ? __lock_acquire+0x62f/0x4c20
[  312.399409] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  312.404419]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.404432]  ? __lock_acquire+0x62f/0x4c20
[  312.404448]  ? should_fail+0x22d/0xd01
[  312.407855] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.412020]  ? find_held_lock+0x36/0x1c0
[  312.418492] init cpuset=/ mems_allowed=0
[  312.423624]  ? mark_held_locks+0x130/0x130
[  312.453735]  ? mark_held_locks+0x130/0x130
[  312.457968]  ? zap_class+0x640/0x640
[  312.461680]  ? zap_class+0x640/0x640
[  312.465395]  ? print_usage_bug+0xc0/0xc0
[  312.469452]  ? do_raw_spin_unlock+0xa7/0x330
[  312.473858]  ? zap_class+0x640/0x640
[  312.477569]  ? print_usage_bug+0xc0/0xc0
[  312.481627]  ? wq_watchdog_touch+0x9c/0xfe
[  312.485860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.491409]  ? check_preemption_disabled+0x48/0x280
[  312.496450]  ? __lock_is_held+0xb5/0x140
[  312.500515]  __alloc_pages_nodemask+0xa80/0xde0
[  312.505196]  ? zap_class+0x640/0x640
[  312.508910]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  312.513932]  ? find_held_lock+0x36/0x1c0
[  312.517998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.522673]  ? lock_downgrade+0x900/0x900
[  312.526830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.532372]  cache_grow_begin+0xa5/0x8c0
[  312.536447]  ? do_raw_spin_unlock+0xa7/0x330
[  312.540889]  fallback_alloc+0x204/0x2e0
[  312.544866]  ____cache_alloc_node+0x1c7/0x1e0
[  312.549362]  kmem_cache_alloc_node+0xe3/0x730
[  312.553858]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.558222]  __alloc_skb+0x119/0x770
[  312.561933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.567216]  ? netdev_alloc_frag+0x1f0/0x1f0
[  312.571626]  ? lock_downgrade+0x900/0x900
[  312.575790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.581330]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.586785]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.592259]  ? addrconf_rs_timer+0x690/0x690
[  312.596693]  ndisc_alloc_skb+0x144/0x340
[  312.600760]  ndisc_send_rs+0x331/0x6e0
[  312.604652]  addrconf_rs_timer+0x314/0x690
[  312.608887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.613142]  call_timer_fn+0x272/0x920
[  312.617034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.621265]  ? process_timeout+0x40/0x40
[  312.625345]  ? mark_held_locks+0xc7/0x130
[  312.629493]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.633986]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.638479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.642715]  ? lockdep_hardirqs_on+0x296/0x5b0
[  312.647299]  ? trace_hardirqs_on+0xbd/0x310
[  312.651634]  ? kasan_check_read+0x11/0x20
[  312.655794]  ? __run_timers+0x7da/0xc70
[  312.659774]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.664884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.669136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.673368]  __run_timers+0x7e5/0xc70
[  312.677176]  ? timer_fixup_init+0x70/0x70
[  312.681345]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  312.686380]  ? zap_class+0x640/0x640
[  312.690637]  ? print_usage_bug+0xc0/0xc0
[  312.694700]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  312.699897]  ? find_held_lock+0x36/0x1c0
[  312.703964]  ? zap_class+0x640/0x640
[  312.707700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.713242]  ? check_preemption_disabled+0x48/0x280
[  312.718268]  ? __lock_is_held+0xb5/0x140
[  312.722330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.727866]  ? check_preemption_disabled+0x48/0x280
[  312.732885]  run_timer_softirq+0x52/0xb0
[  312.736944]  ? rcu_read_lock_sched_held+0x14f/0x180
[  312.741957]  __do_softirq+0x308/0xb7e
[  312.745760]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  312.750267]  ? lock_downgrade+0x900/0x900
[  312.754415]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  312.759528]  ? pvclock_read_flags+0x160/0x160
[  312.764035]  ? lapic_next_event+0x5a/0x90
[  312.768195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.773734]  ? kvm_clock_read+0x18/0x30
[  312.777706]  ? kvm_sched_clock_read+0x9/0x20
[  312.782119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.787651]  ? check_preemption_disabled+0x48/0x280
[  312.792701]  irq_exit+0x17f/0x1c0
[  312.796154]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.800996]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.806888]  ? interrupt_entry+0xb5/0xc0
[  312.810951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.815961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.820995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.825844]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.830871]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.835901]  ? task_prio+0x50/0x50
[  312.839441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.844978]  ? check_preemption_disabled+0x48/0x280
[  312.849996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.854849]  apic_timer_interrupt+0xf/0x20
[  312.859072]  </IRQ>
[  312.861304] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  312.866420] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  312.885313] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  312.893019] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  312.900293] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  312.907567] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  312.914827] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  312.922088] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  312.929376]  shrink_active_list+0x14eb/0x1f00
[  312.933883]  ? shrink_inactive_list+0x1c60/0x1c60
[  312.938738]  ? trace_hardirqs_on+0xbd/0x310
[  312.943071]  ? shrink_inactive_list+0xa4a/0x1c60
[  312.947837]  ? mark_held_locks+0x130/0x130
[  312.952065]  ? __lock_acquire+0x62f/0x4c20
[  312.956326]  ? print_usage_bug+0xc0/0xc0
[  312.960455]  ? mark_held_locks+0x130/0x130
[  312.964688]  ? mark_held_locks+0x130/0x130
[  312.968936]  ? print_usage_bug+0xc0/0xc0
[  312.973010]  ? __lock_acquire+0x62f/0x4c20
[  312.977269]  ? zap_class+0x640/0x640
[  312.980983]  ? zap_class+0x640/0x640
[  312.984698]  ? mark_held_locks+0x130/0x130
[  312.988928]  ? zap_class+0x640/0x640
[  312.992641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.998174]  ? check_preemption_disabled+0x48/0x280
[  313.003192]  ? __lock_is_held+0xb5/0x140
[  313.007258]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.012267]  ? inactive_list_is_low+0x305/0x880
[  313.016941]  ? lruvec_lru_size+0x450/0x450
[  313.021174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.026737]  ? lruvec_lru_size+0x2ab/0x450
[  313.030986]  ? percpu_ref_put_many+0x13e/0x260
[  313.035573]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  313.040502]  ? find_held_lock+0x36/0x1c0
[  313.044578]  shrink_node_memcg+0x803/0x18f0
[  313.048910]  ? shrink_active_list+0x1f00/0x1f00
[  313.053580]  ? lock_downgrade+0x900/0x900
[  313.057725]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.062848]  ? cgroup_procs_write_finish+0xf0/0xf0
[  313.067779]  ? _raw_spin_unlock+0x2c/0x50
[  313.071935]  shrink_node+0x3bc/0x16b0
[  313.075735]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  313.081039]  ? shrink_node_memcg+0x18f0/0x18f0
[  313.085614]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.090194]  ? trace_hardirqs_on+0xbd/0x310
[  313.094511]  ? vmpressure+0x271/0x340
[  313.098312]  ? do_raw_spin_unlock+0xa7/0x330
[  313.102720]  ? do_raw_spin_trylock+0x270/0x270
[  313.107304]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  313.112842]  ? __cpuset_node_allowed+0x19b/0x660
[  313.117601]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  313.123317]  ? vmpressure+0x1a2/0x340
[  313.127122]  do_try_to_free_pages+0x3e7/0x1290
[  313.131727]  ? zap_class+0x640/0x640
[  313.135451]  ? shrink_node+0x16b0/0x16b0
[  313.139516]  ? __lock_is_held+0xb5/0x140
[  313.143605]  try_to_free_pages+0x4d0/0xb90
[  313.147842]  ? do_try_to_free_pages+0x1290/0x1290
[  313.152711]  ? lock_acquire+0x1ed/0x520
[  313.156689]  ? set_page_refcounted+0x280/0x280
[  313.161275]  ? lock_release+0xa00/0xa00
[  313.165247]  ? _raw_spin_unlock_irq+0x60/0x80
[  313.169750]  ? psi_memstall_enter+0x240/0x2b0
[  313.174247]  ? psi_memstall_tick+0x230/0x230
[  313.178695]  __alloc_pages_slowpath+0xa14/0x2e10
[  313.183477]  ? warn_alloc+0x120/0x120
[  313.187278]  ? mark_held_locks+0x130/0x130
[  313.191547]  ? find_get_entry+0xaae/0x1120
[  313.195792]  ? filemap_map_pages+0x1a20/0x1a20
[  313.200382]  ? zap_class+0x640/0x640
[  313.204109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.209645]  ? check_preemption_disabled+0x48/0x280
[  313.214660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.220209]  ? should_fail+0x22d/0xd01
[  313.224102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.229206]  ? zap_class+0x640/0x640
[  313.232952]  ? __lock_is_held+0xb5/0x140
[  313.237044]  ? mark_held_locks+0x130/0x130
[  313.241283]  ? lock_release+0xa00/0xa00
[  313.245273]  ? perf_trace_sched_process_exec+0x860/0x860
[  313.250737]  ? xa_load+0x2ba/0x460
[  313.254278]  ? lock_downgrade+0x900/0x900
[  313.258431]  ? __might_sleep+0x95/0x190
[  313.262423]  __alloc_pages_nodemask+0xa80/0xde0
[  313.267103]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  313.272119]  ? __page_cache_alloc+0x191/0x5c0
[  313.276615]  ? xa_load+0x2e1/0x460
[  313.280168]  ? xa_clear_mark+0x40/0x40
[  313.284059]  ? zap_class+0x640/0x640
[  313.287779]  ? zap_class+0x640/0x640
[  313.291489]  ? zap_class+0x640/0x640
[  313.295199]  ? __do_page_cache_readahead+0x663/0x810
[  313.300316]  ? find_held_lock+0x36/0x1c0
[  313.304379]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  313.309955]  alloc_pages_current+0x173/0x350
[  313.314383]  __page_cache_alloc+0x38c/0x5c0
[  313.318733]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.323660]  ? kasan_check_read+0x11/0x20
[  313.327808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.333083]  ? generic_perform_write+0x6a0/0x6a0
[  313.337836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.343373]  ? check_preemption_disabled+0x48/0x280
[  313.348393]  filemap_fault+0x1595/0x25f0
[  313.352459]  ? __lock_page_or_retry+0xa00/0xa00
[  313.357125]  ? mark_held_locks+0x130/0x130
[  313.361371]  ? filemap_map_pages+0xd6b/0x1a20
[  313.365875]  ? lock_downgrade+0x900/0x900
[  313.370046]  ? check_preemption_disabled+0x48/0x280
[  313.375066]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.379995]  ? kasan_check_read+0x11/0x20
[  313.384150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.389425]  ? rcu_softirq_qs+0x20/0x20
[  313.393408]  ? filemap_map_pages+0xd92/0x1a20
[  313.397942]  ? print_usage_bug+0xc0/0xc0
[  313.402013]  ? find_get_entries_tag+0x1400/0x1400
[  313.406878]  ? __kasan_slab_free+0x102/0x150
[  313.411330]  ? kasan_slab_free+0xe/0x10
[  313.415298]  ? kmem_cache_free+0x83/0x290
[  313.419442]  ? __sigqueue_free.part.29+0x74/0x90
[  313.424209]  ? lock_acquire+0x1ed/0x520
[  313.428181]  ? ext4_filemap_fault+0x7a/0xad
[  313.432506]  ? lock_release+0xa00/0xa00
[  313.436503]  ? perf_trace_sched_process_exec+0x860/0x860
[  313.441958]  ? print_usage_bug+0xc0/0xc0
[  313.446016]  ? print_usage_bug+0xc0/0xc0
[  313.450098]  ? down_read+0x8d/0x120
[  313.453722]  ? ext4_filemap_fault+0x7a/0xad
[  313.458057]  ? __down_interruptible+0x700/0x700
[  313.462751]  ext4_filemap_fault+0x82/0xad
[  313.466925]  __do_fault+0x100/0x6b0
[  313.470568]  ? pmd_devmap_trans_unstable+0x220/0x220
[  313.475686]  ? mark_held_locks+0x130/0x130
[  313.479930]  ? mark_held_locks+0x130/0x130
[  313.484175]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  313.489721]  ? rcu_pm_notify+0xc0/0xc0
[  313.493623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.499186]  __handle_mm_fault+0x3ea0/0x5be0
[  313.503612]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  313.508466]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.512969]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.517559]  ? trace_hardirqs_on+0xbd/0x310
[  313.521911]  ? kasan_check_read+0x11/0x20
[  313.526071]  ? __set_current_blocked+0xdf/0x120
[  313.530761]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.535882]  ? zap_class+0x640/0x640
[  313.539598]  ? zap_class+0x640/0x640
[  313.543322]  ? find_held_lock+0x36/0x1c0
[  313.547396]  ? handle_mm_fault+0x42a/0xc70
[  313.551638]  ? lock_downgrade+0x900/0x900
[  313.555793]  ? check_preemption_disabled+0x48/0x280
[  313.560856]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.565791]  ? kasan_check_read+0x11/0x20
[  313.569945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.575230]  ? rcu_softirq_qs+0x20/0x20
[  313.579209]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.584321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.589868]  ? check_preemption_disabled+0x48/0x280
[  313.594900]  handle_mm_fault+0x54f/0xc70
[  313.598985]  ? __handle_mm_fault+0x5be0/0x5be0
[  313.603576]  ? find_vma+0x34/0x190
[  313.607126]  __do_page_fault+0x5e8/0xe60
[  313.611199]  ? exit_to_usermode_loop+0x1f4/0x380
[  313.615972]  do_page_fault+0xf2/0x7e0
[  313.619780]  ? vmalloc_sync_all+0x30/0x30
[  313.623938]  ? error_entry+0x70/0xd0
[  313.627658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.632678]  ? trace_hardirqs_on_caller+0xc0/0x310
[  313.637625]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.642561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.647416]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.652439]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.657907]  ? prepare_exit_to_usermode+0x291/0x3b0
[  313.662948]  ? page_fault+0x8/0x30
[  313.666506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.671360]  ? page_fault+0x8/0x30
[  313.674904]  page_fault+0x1e/0x30
[  313.678381] RIP: 0033:0x45db60
[  313.681594] Code: Bad RIP value.
[  313.684956] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  313.690341] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  313.697605] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  313.704871] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  313.712151] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  313.719419] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  313.726716] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  313.726822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.732977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.732983] Call Trace:
[  313.732990]  <IRQ>
[  313.733014]  dump_stack+0x244/0x39d
[  313.733055]  ? dump_stack_print_info.cold.1+0x20/0x20
[  313.733113]  warn_alloc.cold.116+0xb7/0x1bd
[  313.739698] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.748956]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.751506] syz-fuzzer cpuset=/ mems_allowed=0
[  313.753656]  ? lock_downgrade+0x900/0x900
[  313.790520]  ? trace_hardirqs_off+0xb8/0x310
[  313.794939]  ? trace_hardirqs_off+0xb8/0x310
[  313.799401]  __alloc_pages_slowpath+0x26e8/0x2e10
[  313.804274]  ? warn_alloc+0x120/0x120
[  313.808118]  ? print_usage_bug+0xc0/0xc0
[  313.812183]  ? warn_alloc+0x120/0x120
[  313.815990]  ? warn_alloc+0x120/0x120
[  313.819797]  ? print_usage_bug+0xc0/0xc0
[  313.823865]  ? print_usage_bug+0xc0/0xc0
[  313.827931]  ? __lock_acquire+0x62f/0x4c20
[  313.832174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.837749]  ? should_fail+0x22d/0xd01
[  313.841656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.846766]  ? __lock_acquire+0x62f/0x4c20
[  313.851009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.856115]  ? __lock_acquire+0x62f/0x4c20
[  313.860347]  ? should_fail+0x22d/0xd01
[  313.864240]  ? find_held_lock+0x36/0x1c0
[  313.868317]  ? mark_held_locks+0x130/0x130
[  313.872559]  ? mark_held_locks+0x130/0x130
[  313.876790]  ? zap_class+0x640/0x640
[  313.880522]  ? zap_class+0x640/0x640
[  313.884240]  ? print_usage_bug+0xc0/0xc0
[  313.888307]  ? do_raw_spin_unlock+0xa7/0x330
[  313.892716]  ? zap_class+0x640/0x640
[  313.896443]  ? print_usage_bug+0xc0/0xc0
[  313.900501]  ? wq_watchdog_touch+0x9c/0xfe
[  313.904750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.910295]  ? check_preemption_disabled+0x48/0x280
[  313.915352]  ? __lock_is_held+0xb5/0x140
[  313.919438]  __alloc_pages_nodemask+0xa80/0xde0
[  313.924109]  ? zap_class+0x640/0x640
[  313.927830]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  313.932865]  ? find_held_lock+0x36/0x1c0
[  313.936944]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.941626]  ? lock_downgrade+0x900/0x900
[  313.945835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.951385]  cache_grow_begin+0xa5/0x8c0
[  313.955454]  ? do_raw_spin_unlock+0xa7/0x330
[  313.959875]  fallback_alloc+0x204/0x2e0
[  313.963856]  ____cache_alloc_node+0x1c7/0x1e0
[  313.968358]  kmem_cache_alloc_node+0xe3/0x730
[  313.972859]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.977113]  __alloc_skb+0x119/0x770
[  313.980828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.986127]  ? netdev_alloc_frag+0x1f0/0x1f0
[  313.990541]  ? lock_downgrade+0x900/0x900
[  313.994720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.000267]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.005732]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.011199]  ? addrconf_rs_timer+0x690/0x690
[  314.015627]  ndisc_alloc_skb+0x144/0x340
[  314.019700]  ndisc_send_rs+0x331/0x6e0
[  314.023599]  addrconf_rs_timer+0x314/0x690
[  314.027843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.032090]  call_timer_fn+0x272/0x920
[  314.035981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.040222]  ? process_timeout+0x40/0x40
[  314.044296]  ? mark_held_locks+0xc7/0x130
[  314.048458]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.052952]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.057484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.061726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  314.066316]  ? trace_hardirqs_on+0xbd/0x310
[  314.070653]  ? kasan_check_read+0x11/0x20
[  314.074825]  ? __run_timers+0x7da/0xc70
[  314.078807]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.083919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.088161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.092394]  __run_timers+0x7e5/0xc70
[  314.096221]  ? timer_fixup_init+0x70/0x70
[  314.100395]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  314.105421]  ? zap_class+0x640/0x640
[  314.109144]  ? print_usage_bug+0xc0/0xc0
[  314.113231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  314.118437]  ? find_held_lock+0x36/0x1c0
[  314.122507]  ? zap_class+0x640/0x640
[  314.126234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.131777]  ? check_preemption_disabled+0x48/0x280
[  314.136803]  ? __lock_is_held+0xb5/0x140
[  314.140868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.146418]  ? check_preemption_disabled+0x48/0x280
[  314.151444]  run_timer_softirq+0x52/0xb0
[  314.155511]  ? rcu_read_lock_sched_held+0x14f/0x180
[  314.160534]  __do_softirq+0x308/0xb7e
[  314.164344]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  314.168842]  ? lock_downgrade+0x900/0x900
[  314.173013]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  314.178141]  ? pvclock_read_flags+0x160/0x160
[  314.182668]  ? lapic_next_event+0x5a/0x90
[  314.186825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.192392]  ? kvm_clock_read+0x18/0x30
[  314.196395]  ? kvm_sched_clock_read+0x9/0x20
[  314.200808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.206352]  ? check_preemption_disabled+0x48/0x280
[  314.211386]  irq_exit+0x17f/0x1c0
[  314.214864]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.219717]  ? smp_reschedule_interrupt+0x109/0x650
[  314.224737]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.230623]  ? interrupt_entry+0xb5/0xc0
[  314.234688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.239706]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.244728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.249597]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.254621]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.259646]  ? task_prio+0x50/0x50
[  314.263201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.268746]  ? check_preemption_disabled+0x48/0x280
[  314.273776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.278631]  apic_timer_interrupt+0xf/0x20
[  314.282860]  </IRQ>
[  314.285109] RIP: 0010:dump_stack+0x358/0x39d
[  314.289526] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  314.308468] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  314.316198] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  314.323486] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  314.330770] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  314.338086] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  314.345371] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  314.352679]  ? dump_stack+0x34f/0x39d
[  314.356529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.361728]  ? mark_held_locks+0x130/0x130
[  314.365968]  ? mark_held_locks+0x130/0x130
[  314.370208]  dump_header+0x27b/0xf72
[  314.373939]  ? pagefault_out_of_memory+0x197/0x197
[  314.378877]  ? __lock_acquire+0x62f/0x4c20
[  314.383134]  ? percpu_ref_get_many+0x240/0x240
[  314.387725]  ? print_usage_bug+0xc0/0xc0
[  314.391830]  ? zap_class+0x640/0x640
[  314.395587]  ? print_usage_bug+0xc0/0xc0
[  314.399650]  ? print_usage_bug+0xc0/0xc0
[  314.403719]  ? zap_class+0x640/0x640
[  314.407448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.413010]  ? find_held_lock+0x36/0x1c0
[  314.417120]  ? mark_held_locks+0xc7/0x130
[  314.421282]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.426392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.431503]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  314.436092]  ? trace_hardirqs_on+0xbd/0x310
[  314.440414]  ? kasan_check_read+0x11/0x20
[  314.444561]  ? ___ratelimit+0x3b4/0x672
[  314.448543]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.453666]  ? trace_hardirqs_on+0x310/0x310
[  314.458077]  ? lock_downgrade+0x900/0x900
[  314.462228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.467330]  ? ___ratelimit+0x3b9/0x672
[  314.471310]  ? idr_get_free+0xf70/0xf70
[  314.475284]  ? find_held_lock+0x36/0x1c0
[  314.479359]  oom_kill_process.cold.27+0x10/0x903
[  314.484115]  ? zap_class+0x640/0x640
[  314.487833]  ? check_preemption_disabled+0x48/0x280
[  314.492853]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.497825]  ? kasan_check_read+0x11/0x20
[  314.501990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.507274]  ? oom_evaluate_task+0x540/0x540
[  314.511695]  ? find_held_lock+0x36/0x1c0
[  314.515771]  ? out_of_memory+0x974/0x1430
[  314.519920]  ? lock_downgrade+0x900/0x900
[  314.524104]  ? check_preemption_disabled+0x48/0x280
[  314.529124]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.534095]  ? kasan_check_read+0x11/0x20
[  314.538244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.543532]  ? rcu_softirq_qs+0x20/0x20
[  314.547554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.553109]  ? oom_evaluate_task+0x302/0x540
[  314.557728]  out_of_memory+0xa84/0x1430
[  314.561711]  ? oom_killer_disable+0x3a0/0x3a0
[  314.566213]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  314.571153]  ? __ww_mutex_check_waiters+0x160/0x160
[  314.576190]  __alloc_pages_slowpath+0x2354/0x2e10
[  314.581079]  ? warn_alloc+0x120/0x120
[  314.584909]  ? mark_held_locks+0x130/0x130
[  314.589152]  ? find_get_entry+0xaae/0x1120
[  314.593398]  ? filemap_map_pages+0x1a20/0x1a20
[  314.598007]  ? zap_class+0x640/0x640
[  314.601739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.607288]  ? check_preemption_disabled+0x48/0x280
[  314.612324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.617866]  ? should_fail+0x22d/0xd01
[  314.621770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.626907]  ? zap_class+0x640/0x640
[  314.630671]  ? __lock_is_held+0xb5/0x140
[  314.634747]  ? mark_held_locks+0x130/0x130
[  314.639006]  ? lock_release+0xa00/0xa00
[  314.643007]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.648474]  ? xa_load+0x2ba/0x460
[  314.652020]  ? lock_downgrade+0x900/0x900
[  314.656185]  ? __might_sleep+0x95/0x190
[  314.660162]  __alloc_pages_nodemask+0xa80/0xde0
[  314.664849]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  314.669866]  ? __page_cache_alloc+0x191/0x5c0
[  314.674357]  ? xa_load+0x2e1/0x460
[  314.677899]  ? xa_clear_mark+0x40/0x40
[  314.681788]  ? zap_class+0x640/0x640
[  314.685506]  ? zap_class+0x640/0x640
[  314.689368]  ? zap_class+0x640/0x640
[  314.693083]  ? __do_page_cache_readahead+0x663/0x810
[  314.698217]  ? find_held_lock+0x36/0x1c0
[  314.702386]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  314.707931]  alloc_pages_current+0x173/0x350
[  314.712340]  __page_cache_alloc+0x38c/0x5c0
[  314.716705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.721635]  ? kasan_check_read+0x11/0x20
[  314.725780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.731065]  ? generic_perform_write+0x6a0/0x6a0
[  314.735821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.741371]  ? check_preemption_disabled+0x48/0x280
[  314.746414]  filemap_fault+0x1595/0x25f0
[  314.750503]  ? __lock_page_or_retry+0xa00/0xa00
[  314.755187]  ? mark_held_locks+0x130/0x130
[  314.759444]  ? filemap_map_pages+0xd6b/0x1a20
[  314.763937]  ? lock_downgrade+0x900/0x900
[  314.768085]  ? check_preemption_disabled+0x48/0x280
[  314.773116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.778046]  ? kasan_check_read+0x11/0x20
[  314.782206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.787498]  ? rcu_softirq_qs+0x20/0x20
[  314.791491]  ? filemap_map_pages+0xd92/0x1a20
[  314.795986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.801534]  ? find_get_entries_tag+0x1400/0x1400
[  314.806381]  ? __lock_acquire+0x62f/0x4c20
[  314.810630]  ? lock_acquire+0x1ed/0x520
[  314.814608]  ? ext4_filemap_fault+0x7a/0xad
[  314.818936]  ? lock_release+0xa00/0xa00
[  314.822906]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.828356]  ? print_usage_bug+0xc0/0xc0
[  314.832419]  ? print_usage_bug+0xc0/0xc0
[  314.836492]  ? down_read+0x8d/0x120
[  314.840118]  ? ext4_filemap_fault+0x7a/0xad
[  314.844442]  ? __down_interruptible+0x700/0x700
[  314.849119]  ext4_filemap_fault+0x82/0xad
[  314.853272]  __do_fault+0x100/0x6b0
[  314.856936]  ? pmd_devmap_trans_unstable+0x220/0x220
[  314.862051]  ? mark_held_locks+0x130/0x130
[  314.866292]  ? mark_held_locks+0x130/0x130
[  314.870532]  ? find_held_lock+0x36/0x1c0
[  314.874598]  ? find_held_lock+0x36/0x1c0
[  314.878679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.884225]  __handle_mm_fault+0x3ea0/0x5be0
[  314.888637]  ? poll_select_copy_remaining+0x18c/0x6a0
[  314.893833]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  314.898684]  ? __might_fault+0x12b/0x1e0
[  314.902744]  ? lock_downgrade+0x900/0x900
[  314.906914]  ? zap_class+0x640/0x640
[  314.910626]  ? zap_class+0x640/0x640
[  314.914349]  ? find_held_lock+0x36/0x1c0
[  314.918416]  ? handle_mm_fault+0x42a/0xc70
[  314.922645]  ? lock_downgrade+0x900/0x900
[  314.926808]  ? check_preemption_disabled+0x48/0x280
[  314.931826]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.936748]  ? kasan_check_read+0x11/0x20
[  314.940887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.946161]  ? rcu_softirq_qs+0x20/0x20
[  314.950132]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.955230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.960762]  ? check_preemption_disabled+0x48/0x280
[  314.965784]  handle_mm_fault+0x54f/0xc70
[  314.969849]  ? __handle_mm_fault+0x5be0/0x5be0
[  314.974434]  ? find_vma+0x34/0x190
[  314.977978]  __do_page_fault+0x5e8/0xe60
[  314.982040]  ? trace_hardirqs_off+0xb8/0x310
[  314.986454]  do_page_fault+0xf2/0x7e0
[  314.990251]  ? vmalloc_sync_all+0x30/0x30
[  314.994409]  ? error_entry+0x70/0xd0
[  314.998129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.003137]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.008062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.012988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.017832]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.022846]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.028302]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.033322]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.038336]  ? page_fault+0x8/0x30
[  315.041892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.046739]  ? page_fault+0x8/0x30
[  315.050277]  page_fault+0x1e/0x30
[  315.053731] RIP: 0033:0x7fafaecd0dd3
[  315.057484] Code: Bad RIP value.
[  315.060858] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  315.066214] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  315.073482] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  315.080760] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  315.088030] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  315.095306] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  315.102604] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  315.102610] warn_alloc_show_mem: 1 callbacks suppressed
[  315.102617] Mem-Info:
[  315.109629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.114994] active_anon:50685 inactive_anon:189 isolated_anon:0
[  315.114994]  active_file:14 inactive_file:14 isolated_file:0
[  315.114994]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.114994]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  315.114994]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  315.114994]  free:13759 free_pcp:552 free_cma:0
[  315.117367] Call Trace:
[  315.126758] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.159598]  <IRQ>
[  315.162178] 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
[  315.189608]  dump_stack+0x244/0x39d
[  315.191742] lowmem_reserve[]: 0 2818 6321 6321
[  315.217846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.221460] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  315.226049]  warn_alloc.cold.116+0xb7/0x1bd
[  315.231202] lowmem_reserve[]: 0 0 3503 3503
[  315.258781]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.263080] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  315.267410]  ? lock_downgrade+0x900/0x900
[  315.272240] lowmem_reserve[]: 0 0 0 0
[  315.301293]  ? trace_hardirqs_off+0xb8/0x310
[  315.305424] 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
[  315.309236]  ? trace_hardirqs_off+0xb8/0x310
[  315.313617] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  315.327138]  __alloc_pages_slowpath+0x26e8/0x2e10
[  315.331518] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  315.346879]  ? warn_alloc+0x120/0x120
[  315.351686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  315.366756]  ? print_usage_bug+0xc0/0xc0
[  315.370540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  315.379359]  ? warn_alloc+0x120/0x120
[  315.383396] 272 total pagecache pages
[  315.391958]  ? warn_alloc+0x120/0x120
[  315.395742] 0 pages in swap cache
[  315.399530]  ? print_usage_bug+0xc0/0xc0
[  315.403314] Swap cache stats: add 0, delete 0, find 0/0
[  315.406759]  ? print_usage_bug+0xc0/0xc0
[  315.410792] Free swap  = 0kB
[  315.416147]  ? __lock_acquire+0x62f/0x4c20
[  315.420183] Total swap = 0kB
[  315.423200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.427406] 1965979 pages RAM
[  315.430424]  ? should_fail+0x22d/0xd01
[  315.435930] 0 pages HighMem/MovableOnly
[  315.439039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.442896] 342853 pages reserved
[  315.446857]  ? __lock_acquire+0x62f/0x4c20
[  315.451933] 0 pages cma reserved
[  315.455380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.459658] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.462938]  ? __lock_acquire+0x62f/0x4c20
[  315.462950]  ? should_fail+0x22d/0xd01
[  315.462973]  ? mark_held_locks+0x130/0x130
[  315.468120] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.474537]  ? mark_held_locks+0x130/0x130
[  315.478743] init cpuset=/ mems_allowed=0
[  315.482622]  ? zap_class+0x640/0x640
[  315.508482]  ? zap_class+0x640/0x640
[  315.512198]  ? print_usage_bug+0xc0/0xc0
[  315.516259]  ? wq_watchdog_touch+0x9c/0xfe
[  315.520500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.526046]  ? check_preemption_disabled+0x48/0x280
[  315.531088]  ? __lock_is_held+0xb5/0x140
[  315.535155]  __alloc_pages_nodemask+0xa80/0xde0
[  315.539827]  ? zap_class+0x640/0x640
[  315.543553]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  315.548582]  ? find_held_lock+0x36/0x1c0
[  315.552654]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.557324]  ? lock_downgrade+0x900/0x900
[  315.561493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.567041]  cache_grow_begin+0xa5/0x8c0
[  315.571132]  ? do_raw_spin_unlock+0xa7/0x330
[  315.575551]  fallback_alloc+0x204/0x2e0
[  315.579544]  ____cache_alloc_node+0x1c7/0x1e0
[  315.584050]  kmem_cache_alloc_node+0xe3/0x730
[  315.588549]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.592816]  __alloc_skb+0x119/0x770
[  315.596525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.601812]  ? netdev_alloc_frag+0x1f0/0x1f0
[  315.606223]  ? lock_downgrade+0x900/0x900
[  315.610381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.615920]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.621386]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.626846]  ? addrconf_rs_timer+0x690/0x690
[  315.631266]  ndisc_alloc_skb+0x144/0x340
[  315.635336]  ndisc_send_rs+0x331/0x6e0
[  315.639225]  addrconf_rs_timer+0x314/0x690
[  315.643462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.647704]  call_timer_fn+0x272/0x920
[  315.651591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.655825]  ? process_timeout+0x40/0x40
[  315.659895]  ? mark_held_locks+0xc7/0x130
[  315.664049]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.668542]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.673054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.677322]  ? lockdep_hardirqs_on+0x296/0x5b0
[  315.681907]  ? trace_hardirqs_on+0xbd/0x310
[  315.686257]  ? kasan_check_read+0x11/0x20
[  315.690403]  ? __run_timers+0x7da/0xc70
[  315.694379]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.699494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.703723]  __run_timers+0x7e5/0xc70
[  315.707531]  ? timer_fixup_init+0x70/0x70
[  315.711681]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.716697]  ? zap_class+0x640/0x640
[  315.720416]  ? print_usage_bug+0xc0/0xc0
[  315.724483]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  315.729678]  ? find_held_lock+0x36/0x1c0
[  315.733743]  ? zap_class+0x640/0x640
[  315.737492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.743039]  ? check_preemption_disabled+0x48/0x280
[  315.748069]  ? __lock_is_held+0xb5/0x140
[  315.752133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.757683]  ? check_preemption_disabled+0x48/0x280
[  315.762697]  run_timer_softirq+0x52/0xb0
[  315.766758]  ? rcu_read_lock_sched_held+0x14f/0x180
[  315.771771]  __do_softirq+0x308/0xb7e
[  315.775573]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  315.780061]  ? lock_downgrade+0x900/0x900
[  315.784226]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  315.789339]  ? pvclock_read_flags+0x160/0x160
[  315.793838]  ? lapic_next_event+0x5a/0x90
[  315.797990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.803533]  ? kvm_clock_read+0x18/0x30
[  315.807508]  ? kvm_sched_clock_read+0x9/0x20
[  315.811915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.817484]  ? check_preemption_disabled+0x48/0x280
[  315.822550]  irq_exit+0x17f/0x1c0
[  315.826003]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.830857]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.836735]  ? interrupt_entry+0xb5/0xc0
[  315.840794]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.845814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.850834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.855675]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.860689]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.865719]  ? task_prio+0x50/0x50
[  315.869272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.874810]  ? check_preemption_disabled+0x48/0x280
[  315.879832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.884680]  apic_timer_interrupt+0xf/0x20
[  315.888905]  </IRQ>
[  315.891154] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  315.896255] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  315.915154] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  315.922860] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  315.930124] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  315.937391] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  315.944652] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  315.951914] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  315.959202]  shrink_active_list+0x14eb/0x1f00
[  315.963720]  ? shrink_inactive_list+0x1c60/0x1c60
[  315.968561]  ? trace_hardirqs_on+0xbd/0x310
[  315.972876]  ? shrink_inactive_list+0xa4a/0x1c60
[  315.977638]  ? mark_held_locks+0x130/0x130
[  315.981867]  ? __lock_acquire+0x62f/0x4c20
[  315.986102]  ? print_usage_bug+0xc0/0xc0
[  315.990164]  ? mark_held_locks+0x130/0x130
[  315.994404]  ? mark_held_locks+0x130/0x130
[  315.998641]  ? print_usage_bug+0xc0/0xc0
[  316.002707]  ? __lock_acquire+0x62f/0x4c20
[  316.006941]  ? zap_class+0x640/0x640
[  316.010653]  ? zap_class+0x640/0x640
[  316.014374]  ? mark_held_locks+0x130/0x130
[  316.018608]  ? zap_class+0x640/0x640
[  316.022327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.027883]  ? check_preemption_disabled+0x48/0x280
[  316.032904]  ? __lock_is_held+0xb5/0x140
[  316.036971]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.041985]  ? inactive_list_is_low+0x305/0x880
[  316.046663]  ? lruvec_lru_size+0x450/0x450
[  316.050925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.056503]  ? lruvec_lru_size+0x2ab/0x450
[  316.060738]  ? percpu_ref_put_many+0x13e/0x260
[  316.065324]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  316.070251]  ? find_held_lock+0x36/0x1c0
[  316.074313]  shrink_node_memcg+0x803/0x18f0
[  316.078673]  ? shrink_active_list+0x1f00/0x1f00
[  316.083349]  ? lock_downgrade+0x900/0x900
[  316.087502]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.092608]  ? cgroup_procs_write_finish+0xf0/0xf0
[  316.097545]  ? _raw_spin_unlock+0x2c/0x50
[  316.101700]  shrink_node+0x3bc/0x16b0
[  316.105503]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  316.110801]  ? shrink_node_memcg+0x18f0/0x18f0
[  316.115384]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.119993]  ? trace_hardirqs_on+0xbd/0x310
[  316.124318]  ? vmpressure+0x271/0x340
[  316.128120]  ? do_raw_spin_unlock+0xa7/0x330
[  316.132529]  ? do_raw_spin_trylock+0x270/0x270
[  316.137114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.142649]  ? __cpuset_node_allowed+0x19b/0x660
[  316.147407]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  316.153113]  ? vmpressure+0x1a2/0x340
[  316.156916]  do_try_to_free_pages+0x3e7/0x1290
[  316.161496]  ? zap_class+0x640/0x640
[  316.165221]  ? shrink_node+0x16b0/0x16b0
[  316.169300]  ? __lock_is_held+0xb5/0x140
[  316.173384]  try_to_free_pages+0x4d0/0xb90
[  316.177652]  ? do_try_to_free_pages+0x1290/0x1290
[  316.182503]  ? lock_acquire+0x1ed/0x520
[  316.186475]  ? set_page_refcounted+0x280/0x280
[  316.191067]  ? lock_release+0xa00/0xa00
[  316.195043]  ? _raw_spin_unlock_irq+0x60/0x80
[  316.199543]  ? psi_memstall_enter+0x240/0x2b0
[  316.204047]  ? psi_memstall_tick+0x230/0x230
[  316.208482]  __alloc_pages_slowpath+0xa14/0x2e10
[  316.213269]  ? warn_alloc+0x120/0x120
[  316.217070]  ? mark_held_locks+0x130/0x130
[  316.221311]  ? find_get_entry+0xaae/0x1120
[  316.225560]  ? filemap_map_pages+0x1a20/0x1a20
[  316.230151]  ? zap_class+0x640/0x640
[  316.233867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.239408]  ? check_preemption_disabled+0x48/0x280
[  316.244422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.249956]  ? should_fail+0x22d/0xd01
[  316.253845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.258946]  ? zap_class+0x640/0x640
[  316.262681]  ? __lock_is_held+0xb5/0x140
[  316.266753]  ? mark_held_locks+0x130/0x130
[  316.270987]  ? lock_release+0xa00/0xa00
[  316.274957]  ? perf_trace_sched_process_exec+0x860/0x860
[  316.280405]  ? xa_load+0x2ba/0x460
[  316.283964]  ? lock_downgrade+0x900/0x900
[  316.288113]  ? __might_sleep+0x95/0x190
[  316.292087]  __alloc_pages_nodemask+0xa80/0xde0
[  316.296760]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  316.301774]  ? __page_cache_alloc+0x191/0x5c0
[  316.306293]  ? xa_load+0x2e1/0x460
[  316.309831]  ? xa_clear_mark+0x40/0x40
[  316.313715]  ? zap_class+0x640/0x640
[  316.317432]  ? zap_class+0x640/0x640
[  316.321145]  ? zap_class+0x640/0x640
[  316.324857]  ? __do_page_cache_readahead+0x663/0x810
[  316.329961]  ? find_held_lock+0x36/0x1c0
[  316.334022]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  316.339572]  alloc_pages_current+0x173/0x350
[  316.343996]  __page_cache_alloc+0x38c/0x5c0
[  316.348354]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.353286]  ? kasan_check_read+0x11/0x20
[  316.357431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.362745]  ? generic_perform_write+0x6a0/0x6a0
[  316.367505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.373060]  ? check_preemption_disabled+0x48/0x280
[  316.378102]  filemap_fault+0x1595/0x25f0
[  316.382174]  ? __lock_page_or_retry+0xa00/0xa00
[  316.386842]  ? mark_held_locks+0x130/0x130
[  316.391077]  ? filemap_map_pages+0xd6b/0x1a20
[  316.395568]  ? lock_downgrade+0x900/0x900
[  316.399714]  ? check_preemption_disabled+0x48/0x280
[  316.404725]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.409668]  ? kasan_check_read+0x11/0x20
[  316.413818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.419093]  ? rcu_softirq_qs+0x20/0x20
[  316.423083]  ? filemap_map_pages+0xd92/0x1a20
[  316.427583]  ? print_usage_bug+0xc0/0xc0
[  316.431671]  ? find_get_entries_tag+0x1400/0x1400
[  316.436517]  ? __kasan_slab_free+0x102/0x150
[  316.440921]  ? kasan_slab_free+0xe/0x10
[  316.444891]  ? kmem_cache_free+0x83/0x290
[  316.449044]  ? __sigqueue_free.part.29+0x74/0x90
[  316.453817]  ? lock_acquire+0x1ed/0x520
[  316.457809]  ? ext4_filemap_fault+0x7a/0xad
[  316.462135]  ? lock_release+0xa00/0xa00
[  316.466116]  ? perf_trace_sched_process_exec+0x860/0x860
[  316.471566]  ? print_usage_bug+0xc0/0xc0
[  316.475632]  ? print_usage_bug+0xc0/0xc0
[  316.479701]  ? down_read+0x8d/0x120
[  316.483322]  ? ext4_filemap_fault+0x7a/0xad
[  316.487662]  ? __down_interruptible+0x700/0x700
[  316.492339]  ext4_filemap_fault+0x82/0xad
[  316.496492]  __do_fault+0x100/0x6b0
[  316.500119]  ? pmd_devmap_trans_unstable+0x220/0x220
[  316.505240]  ? mark_held_locks+0x130/0x130
[  316.509477]  ? mark_held_locks+0x130/0x130
[  316.513715]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  316.519250]  ? rcu_pm_notify+0xc0/0xc0
[  316.523141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.528684]  __handle_mm_fault+0x3ea0/0x5be0
[  316.533102]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  316.537939]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.542433]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.547019]  ? trace_hardirqs_on+0xbd/0x310
[  316.551353]  ? kasan_check_read+0x11/0x20
[  316.555500]  ? __set_current_blocked+0xdf/0x120
[  316.560277]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.565398]  ? zap_class+0x640/0x640
[  316.569112]  ? zap_class+0x640/0x640
[  316.572836]  ? find_held_lock+0x36/0x1c0
[  316.576905]  ? handle_mm_fault+0x42a/0xc70
[  316.581140]  ? lock_downgrade+0x900/0x900
[  316.585291]  ? check_preemption_disabled+0x48/0x280
[  316.590308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.595238]  ? kasan_check_read+0x11/0x20
[  316.599386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.604659]  ? rcu_softirq_qs+0x20/0x20
[  316.608633]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.613735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.619275]  ? check_preemption_disabled+0x48/0x280
[  316.624298]  handle_mm_fault+0x54f/0xc70
[  316.628374]  ? __handle_mm_fault+0x5be0/0x5be0
[  316.632960]  ? find_vma+0x34/0x190
[  316.636502]  __do_page_fault+0x5e8/0xe60
[  316.640566]  ? exit_to_usermode_loop+0x1f4/0x380
[  316.645334]  do_page_fault+0xf2/0x7e0
[  316.649137]  ? vmalloc_sync_all+0x30/0x30
[  316.653294]  ? error_entry+0x70/0xd0
[  316.657009]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.662044]  ? trace_hardirqs_on_caller+0xc0/0x310
[  316.666987]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.671910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.676750]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.681764]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.687214]  ? prepare_exit_to_usermode+0x291/0x3b0
[  316.692678]  ? page_fault+0x8/0x30
[  316.696221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.701164]  ? page_fault+0x8/0x30
[  316.704706]  page_fault+0x1e/0x30
[  316.708158] RIP: 0033:0x45db60
[  316.711365] Code: Bad RIP value.
[  316.714724] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  316.720084] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  316.727362] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  316.734649] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  316.741947] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  316.749250] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  316.756562] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  316.756662] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.762839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.762845] Call Trace:
[  316.762853]  <IRQ>
[  316.762878]  dump_stack+0x244/0x39d
[  316.762895]  ? dump_stack_print_info.cold.1+0x20/0x20
[  316.762922]  warn_alloc.cold.116+0xb7/0x1bd
[  316.769480] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.778754]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.781307] syz-fuzzer cpuset=/ mems_allowed=0
[  316.816214]  ? lock_downgrade+0x900/0x900
[  316.820389]  ? trace_hardirqs_off+0xb8/0x310
[  316.824819]  ? trace_hardirqs_off+0xb8/0x310
[  316.829244]  __alloc_pages_slowpath+0x26e8/0x2e10
[  316.834124]  ? warn_alloc+0x120/0x120
[  316.837932]  ? print_usage_bug+0xc0/0xc0
[  316.842000]  ? warn_alloc+0x120/0x120
[  316.845816]  ? warn_alloc+0x120/0x120
[  316.849624]  ? print_usage_bug+0xc0/0xc0
[  316.853697]  ? print_usage_bug+0xc0/0xc0
[  316.857765]  ? __lock_acquire+0x62f/0x4c20
[  316.862052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.867767]  ? should_fail+0x22d/0xd01
[  316.871665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.876773]  ? __lock_acquire+0x62f/0x4c20
[  316.881032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.886154]  ? __lock_acquire+0x62f/0x4c20
[  316.890396]  ? should_fail+0x22d/0xd01
[  316.894289]  ? find_held_lock+0x36/0x1c0
[  316.898369]  ? mark_held_locks+0x130/0x130
[  316.902613]  ? mark_held_locks+0x130/0x130
[  316.906849]  ? zap_class+0x640/0x640
[  316.910567]  ? zap_class+0x640/0x640
[  316.914286]  ? print_usage_bug+0xc0/0xc0
[  316.918351]  ? do_raw_spin_unlock+0xa7/0x330
[  316.922790]  ? zap_class+0x640/0x640
[  316.926516]  ? print_usage_bug+0xc0/0xc0
[  316.930592]  ? wq_watchdog_touch+0x9c/0xfe
[  316.934848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.940408]  ? check_preemption_disabled+0x48/0x280
[  316.945439]  ? __lock_is_held+0xb5/0x140
[  316.949515]  __alloc_pages_nodemask+0xa80/0xde0
[  316.954226]  ? zap_class+0x640/0x640
[  316.957950]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  316.962980]  ? find_held_lock+0x36/0x1c0
[  316.967096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.971767]  ? lock_downgrade+0x900/0x900
[  316.975933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.981481]  cache_grow_begin+0xa5/0x8c0
[  316.985576]  ? do_raw_spin_unlock+0xa7/0x330
[  316.990018]  fallback_alloc+0x204/0x2e0
[  316.994018]  ____cache_alloc_node+0x1c7/0x1e0
[  316.998533]  kmem_cache_alloc_node+0xe3/0x730
[  317.003139]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.007396]  __alloc_skb+0x119/0x770
[  317.011117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.016407]  ? netdev_alloc_frag+0x1f0/0x1f0
[  317.020826]  ? lock_downgrade+0x900/0x900
[  317.024990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.030550]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.036013]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.041487]  ? addrconf_rs_timer+0x690/0x690
[  317.045908]  ndisc_alloc_skb+0x144/0x340
[  317.049975]  ndisc_send_rs+0x331/0x6e0
[  317.053898]  addrconf_rs_timer+0x314/0x690
[  317.058141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.062400]  call_timer_fn+0x272/0x920
[  317.066313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.070566]  ? process_timeout+0x40/0x40
[  317.074671]  ? mark_held_locks+0xc7/0x130
[  317.078838]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.083337]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.087830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.092069]  ? lockdep_hardirqs_on+0x296/0x5b0
[  317.096658]  ? trace_hardirqs_on+0xbd/0x310
[  317.100984]  ? kasan_check_read+0x11/0x20
[  317.105138]  ? __run_timers+0x7da/0xc70
[  317.109124]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.114238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.118499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.122735]  __run_timers+0x7e5/0xc70
[  317.126553]  ? timer_fixup_init+0x70/0x70
[  317.130710]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  317.135738]  ? zap_class+0x640/0x640
[  317.139461]  ? print_usage_bug+0xc0/0xc0
[  317.143548]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  317.148749]  ? find_held_lock+0x36/0x1c0
[  317.152881]  ? zap_class+0x640/0x640
[  317.156609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.162152]  ? check_preemption_disabled+0x48/0x280
[  317.167216]  ? __lock_is_held+0xb5/0x140
[  317.171290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.176842]  ? check_preemption_disabled+0x48/0x280
[  317.181870]  run_timer_softirq+0x52/0xb0
[  317.185939]  ? rcu_read_lock_sched_held+0x14f/0x180
[  317.190964]  __do_softirq+0x308/0xb7e
[  317.194788]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  317.199287]  ? lock_downgrade+0x900/0x900
[  317.203450]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  317.208586]  ? pvclock_read_flags+0x160/0x160
[  317.213098]  ? lapic_next_event+0x5a/0x90
[  317.217252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.222802]  ? kvm_clock_read+0x18/0x30
[  317.226781]  ? kvm_sched_clock_read+0x9/0x20
[  317.231198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.236742]  ? check_preemption_disabled+0x48/0x280
[  317.241773]  irq_exit+0x17f/0x1c0
[  317.245232]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.250076]  ? smp_reschedule_interrupt+0x109/0x650
[  317.255096]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.260986]  ? interrupt_entry+0xb5/0xc0
[  317.265060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.270086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.275109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.279960]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.284991]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.290018]  ? task_prio+0x50/0x50
[  317.293572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.299119]  ? check_preemption_disabled+0x48/0x280
[  317.304148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.309005]  apic_timer_interrupt+0xf/0x20
[  317.313242]  </IRQ>
[  317.315485] RIP: 0010:dump_stack+0x358/0x39d
[  317.319895] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  317.338814] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  317.346547] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  317.353852] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  317.361133] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  317.368416] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  317.375695] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  317.383004]  ? dump_stack+0x34f/0x39d
[  317.386858]  ? dump_stack_print_info.cold.1+0x20/0x20
[  317.392071]  ? mark_held_locks+0x130/0x130
[  317.396319]  ? mark_held_locks+0x130/0x130
[  317.400567]  dump_header+0x27b/0xf72
[  317.404311]  ? pagefault_out_of_memory+0x197/0x197
[  317.409254]  ? __lock_acquire+0x62f/0x4c20
[  317.413501]  ? percpu_ref_get_many+0x240/0x240
[  317.418097]  ? print_usage_bug+0xc0/0xc0
[  317.422180]  ? zap_class+0x640/0x640
[  317.425895]  ? print_usage_bug+0xc0/0xc0
[  317.429971]  ? print_usage_bug+0xc0/0xc0
[  317.434042]  ? zap_class+0x640/0x640
[  317.437769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.443322]  ? find_held_lock+0x36/0x1c0
[  317.447395]  ? mark_held_locks+0xc7/0x130
[  317.451556]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.456663]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.461776]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.466375]  ? trace_hardirqs_on+0xbd/0x310
[  317.470707]  ? kasan_check_read+0x11/0x20
[  317.474860]  ? ___ratelimit+0x3b4/0x672
[  317.478855]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.483968]  ? trace_hardirqs_on+0x310/0x310
[  317.488387]  ? lock_downgrade+0x900/0x900
[  317.492562]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.497681]  ? ___ratelimit+0x3b9/0x672
[  317.501662]  ? idr_get_free+0xf70/0xf70
[  317.505642]  ? find_held_lock+0x36/0x1c0
[  317.509717]  oom_kill_process.cold.27+0x10/0x903
[  317.514480]  ? zap_class+0x640/0x640
[  317.518204]  ? check_preemption_disabled+0x48/0x280
[  317.523231]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.528175]  ? kasan_check_read+0x11/0x20
[  317.532333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.537619]  ? oom_evaluate_task+0x540/0x540
[  317.542067]  ? find_held_lock+0x36/0x1c0
[  317.546160]  ? out_of_memory+0x974/0x1430
[  317.550318]  ? lock_downgrade+0x900/0x900
[  317.554475]  ? check_preemption_disabled+0x48/0x280
[  317.559501]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.564436]  ? kasan_check_read+0x11/0x20
[  317.568594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.573877]  ? rcu_softirq_qs+0x20/0x20
[  317.577860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.583403]  ? oom_evaluate_task+0x302/0x540
[  317.587822]  out_of_memory+0xa84/0x1430
[  317.591843]  ? oom_killer_disable+0x3a0/0x3a0
[  317.596347]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  317.601287]  ? __ww_mutex_check_waiters+0x160/0x160
[  317.606331]  __alloc_pages_slowpath+0x2354/0x2e10
[  317.611212]  ? warn_alloc+0x120/0x120
[  317.615015]  ? mark_held_locks+0x130/0x130
[  317.619269]  ? find_get_entry+0xaae/0x1120
[  317.623521]  ? filemap_map_pages+0x1a20/0x1a20
[  317.628115]  ? zap_class+0x640/0x640
[  317.631840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.637390]  ? check_preemption_disabled+0x48/0x280
[  317.642415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.647955]  ? should_fail+0x22d/0xd01
[  317.651845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.656953]  ? zap_class+0x640/0x640
[  317.660698]  ? __lock_is_held+0xb5/0x140
[  317.664785]  ? mark_held_locks+0x130/0x130
[  317.669059]  ? lock_release+0xa00/0xa00
[  317.673051]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.678512]  ? xa_load+0x2ba/0x460
[  317.682065]  ? lock_downgrade+0x900/0x900
[  317.686220]  ? __might_sleep+0x95/0x190
[  317.690200]  __alloc_pages_nodemask+0xa80/0xde0
[  317.694883]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  317.699907]  ? __page_cache_alloc+0x191/0x5c0
[  317.704406]  ? xa_load+0x2e1/0x460
[  317.707950]  ? xa_clear_mark+0x40/0x40
[  317.711844]  ? zap_class+0x640/0x640
[  317.715570]  ? zap_class+0x640/0x640
[  317.719282]  ? zap_class+0x640/0x640
[  317.722999]  ? __do_page_cache_readahead+0x663/0x810
[  317.728121]  ? find_held_lock+0x36/0x1c0
[  317.732207]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  317.737761]  alloc_pages_current+0x173/0x350
[  317.742182]  __page_cache_alloc+0x38c/0x5c0
[  317.746510]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.751457]  ? kasan_check_read+0x11/0x20
[  317.755610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.760894]  ? generic_perform_write+0x6a0/0x6a0
[  317.765672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.771218]  ? check_preemption_disabled+0x48/0x280
[  317.776253]  filemap_fault+0x1595/0x25f0
[  317.780336]  ? __lock_page_or_retry+0xa00/0xa00
[  317.785016]  ? mark_held_locks+0x130/0x130
[  317.789291]  ? filemap_map_pages+0xd6b/0x1a20
[  317.793806]  ? lock_downgrade+0x900/0x900
[  317.797964]  ? check_preemption_disabled+0x48/0x280
[  317.802988]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.807921]  ? kasan_check_read+0x11/0x20
[  317.812075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.817375]  ? rcu_softirq_qs+0x20/0x20
[  317.821370]  ? filemap_map_pages+0xd92/0x1a20
[  317.825876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.831424]  ? find_get_entries_tag+0x1400/0x1400
[  317.836292]  ? __lock_acquire+0x62f/0x4c20
[  317.840551]  ? lock_acquire+0x1ed/0x520
[  317.844532]  ? ext4_filemap_fault+0x7a/0xad
[  317.848880]  ? lock_release+0xa00/0xa00
[  317.852867]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.858328]  ? print_usage_bug+0xc0/0xc0
[  317.862401]  ? print_usage_bug+0xc0/0xc0
[  317.866484]  ? down_read+0x8d/0x120
[  317.870112]  ? ext4_filemap_fault+0x7a/0xad
[  317.874442]  ? __down_interruptible+0x700/0x700
[  317.879127]  ext4_filemap_fault+0x82/0xad
[  317.883281]  __do_fault+0x100/0x6b0
[  317.886925]  ? pmd_devmap_trans_unstable+0x220/0x220
[  317.892044]  ? mark_held_locks+0x130/0x130
[  317.896286]  ? mark_held_locks+0x130/0x130
[  317.900534]  ? find_held_lock+0x36/0x1c0
[  317.904606]  ? find_held_lock+0x36/0x1c0
[  317.908678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.914232]  __handle_mm_fault+0x3ea0/0x5be0
[  317.918650]  ? poll_select_copy_remaining+0x18c/0x6a0
[  317.923861]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  317.928720]  ? __might_fault+0x12b/0x1e0
[  317.932838]  ? lock_downgrade+0x900/0x900
[  317.937017]  ? zap_class+0x640/0x640
[  317.940755]  ? zap_class+0x640/0x640
[  317.944477]  ? find_held_lock+0x36/0x1c0
[  317.948557]  ? handle_mm_fault+0x42a/0xc70
[  317.952796]  ? lock_downgrade+0x900/0x900
[  317.956951]  ? check_preemption_disabled+0x48/0x280
[  317.961990]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.966928]  ? kasan_check_read+0x11/0x20
[  317.971085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.976365]  ? rcu_softirq_qs+0x20/0x20
[  317.980343]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.985456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.991003]  ? check_preemption_disabled+0x48/0x280
[  317.996049]  handle_mm_fault+0x54f/0xc70
[  318.000138]  ? __handle_mm_fault+0x5be0/0x5be0
[  318.004734]  ? find_vma+0x34/0x190
[  318.008293]  __do_page_fault+0x5e8/0xe60
[  318.012370]  ? trace_hardirqs_off+0xb8/0x310
[  318.016839]  do_page_fault+0xf2/0x7e0
[  318.020658]  ? vmalloc_sync_all+0x30/0x30
[  318.024809]  ? error_entry+0x70/0xd0
[  318.028534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.033555]  ? trace_hardirqs_on_caller+0xc0/0x310
[  318.038492]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.043432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.048287]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.053316]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.058776]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  318.063808]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.068831]  ? page_fault+0x8/0x30
[  318.072380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.077233]  ? page_fault+0x8/0x30
[  318.080778]  page_fault+0x1e/0x30
[  318.084234] RIP: 0033:0x7fafaecd0dd3
[  318.087959] Code: Bad RIP value.
[  318.091329] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  318.096691] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  318.103962] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  318.111245] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  318.118522] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  318.125847] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  318.133175] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  318.133181] warn_alloc_show_mem: 1 callbacks suppressed
[  318.133188] Mem-Info:
[  318.140203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.140212] Call Trace:
[  318.145590] active_anon:50685 inactive_anon:189 isolated_anon:0
[  318.145590]  active_file:14 inactive_file:14 isolated_file:0
[  318.145590]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.145590]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  318.145590]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  318.145590]  free:13759 free_pcp:552 free_cma:0
[  318.147962]  <IRQ>
[  318.157351] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.159942]  dump_stack+0x244/0x39d
[  318.192822] 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
[  318.195007]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.222525] lowmem_reserve[]: 0 2818 6321 6321
[  318.226173]  warn_alloc.cold.116+0xb7/0x1bd
[  318.252260] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  318.257466]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.262005] lowmem_reserve[]: 0 0 3503 3503
[  318.266335]  ? lock_downgrade+0x900/0x900
[  318.293909] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  318.298767]  ? trace_hardirqs_off+0xb8/0x310
[  318.303058] lowmem_reserve[]: 0 0 0 0
[  318.307225]  ? trace_hardirqs_off+0xb8/0x310
[  318.336266] 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
[  318.340691]  __alloc_pages_slowpath+0x26e8/0x2e10
[  318.344468] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  318.348896]  ? warn_alloc+0x120/0x120
[  318.362398] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  318.367254]  ? print_usage_bug+0xc0/0xc0
[  318.382592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  318.386401]  ? warn_alloc+0x120/0x120
[  318.401475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  318.405558]  ? warn_alloc+0x120/0x120
[  318.414384] 272 total pagecache pages
[  318.418199]  ? print_usage_bug+0xc0/0xc0
[  318.426751] 0 pages in swap cache
[  318.430564]  ? print_usage_bug+0xc0/0xc0
[  318.434333] Swap cache stats: add 0, delete 0, find 0/0
[  318.438390]  ? __lock_acquire+0x62f/0x4c20
[  318.441820] Free swap  = 0kB
[  318.445880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.451215] Total swap = 0kB
[  318.455448]  ? should_fail+0x22d/0xd01
[  318.458439] 1965979 pages RAM
[  318.463979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.466967] 0 pages HighMem/MovableOnly
[  318.470847]  ? __lock_acquire+0x62f/0x4c20
[  318.473925] 342853 pages reserved
[  318.479031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.482977] 0 pages cma reserved
[  318.487207]  ? __lock_acquire+0x62f/0x4c20
[  318.490712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.495731]  ? should_fail+0x22d/0xd01
[  318.495747]  ? find_held_lock+0x36/0x1c0
[  318.495782]  ? mark_held_locks+0x130/0x130
[  318.495805]  ? mark_held_locks+0x130/0x130
[  318.499214] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.503385]  ? zap_class+0x640/0x640
[  318.509893] init cpuset=/ mems_allowed=0
[  318.513814]  ? zap_class+0x640/0x640
[  318.547436]  ? print_usage_bug+0xc0/0xc0
[  318.551494]  ? do_raw_spin_unlock+0xa7/0x330
[  318.555892]  ? zap_class+0x640/0x640
[  318.559790]  ? print_usage_bug+0xc0/0xc0
[  318.563852]  ? wq_watchdog_touch+0x9c/0xfe
[  318.568085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.573619]  ? check_preemption_disabled+0x48/0x280
[  318.578642]  ? __lock_is_held+0xb5/0x140
[  318.582707]  __alloc_pages_nodemask+0xa80/0xde0
[  318.587374]  ? zap_class+0x640/0x640
[  318.591093]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  318.596120]  ? find_held_lock+0x36/0x1c0
[  318.600188]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.604853]  ? lock_downgrade+0x900/0x900
[  318.609007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.614569]  cache_grow_begin+0xa5/0x8c0
[  318.618631]  ? do_raw_spin_unlock+0xa7/0x330
[  318.623065]  fallback_alloc+0x204/0x2e0
[  318.627079]  ____cache_alloc_node+0x1c7/0x1e0
[  318.631619]  kmem_cache_alloc_node+0xe3/0x730
[  318.636111]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.640387]  __alloc_skb+0x119/0x770
[  318.644097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.649376]  ? netdev_alloc_frag+0x1f0/0x1f0
[  318.653784]  ? lock_downgrade+0x900/0x900
[  318.657936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.663468]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.668919]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.674365]  ? addrconf_rs_timer+0x690/0x690
[  318.678778]  ndisc_alloc_skb+0x144/0x340
[  318.682843]  ndisc_send_rs+0x331/0x6e0
[  318.686728]  addrconf_rs_timer+0x314/0x690
[  318.691503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.695772]  call_timer_fn+0x272/0x920
[  318.699689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.703923]  ? process_timeout+0x40/0x40
[  318.708009]  ? mark_held_locks+0xc7/0x130
[  318.712178]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.716666]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.721248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.725483]  ? lockdep_hardirqs_on+0x296/0x5b0
[  318.730069]  ? trace_hardirqs_on+0xbd/0x310
[  318.734388]  ? kasan_check_read+0x11/0x20
[  318.738544]  ? __run_timers+0x7da/0xc70
[  318.742516]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.747622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.751856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.756101]  __run_timers+0x7e5/0xc70
[  318.759909]  ? timer_fixup_init+0x70/0x70
[  318.764080]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.769113]  ? zap_class+0x640/0x640
[  318.772834]  ? print_usage_bug+0xc0/0xc0
[  318.776895]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.782088]  ? find_held_lock+0x36/0x1c0
[  318.786152]  ? zap_class+0x640/0x640
[  318.789864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.795416]  ? check_preemption_disabled+0x48/0x280
[  318.800445]  ? __lock_is_held+0xb5/0x140
[  318.804513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.810068]  ? check_preemption_disabled+0x48/0x280
[  318.815087]  run_timer_softirq+0x52/0xb0
[  318.819148]  ? rcu_read_lock_sched_held+0x14f/0x180
[  318.824165]  __do_softirq+0x308/0xb7e
[  318.827966]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  318.832457]  ? lock_downgrade+0x900/0x900
[  318.836605]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  318.841727]  ? pvclock_read_flags+0x160/0x160
[  318.846227]  ? lapic_next_event+0x5a/0x90
[  318.850372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.855923]  ? kvm_clock_read+0x18/0x30
[  318.859907]  ? kvm_sched_clock_read+0x9/0x20
[  318.864312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.869848]  ? check_preemption_disabled+0x48/0x280
[  318.874887]  irq_exit+0x17f/0x1c0
[  318.878344]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.883186]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.889065]  ? interrupt_entry+0xb5/0xc0
[  318.893127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.898139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.903173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.908012]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.913038]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.918076]  ? task_prio+0x50/0x50
[  318.921610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.927160]  ? check_preemption_disabled+0x48/0x280
[  318.932177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.937019]  apic_timer_interrupt+0xf/0x20
[  318.941252]  </IRQ>
[  318.943482] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  318.948580] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  318.967475] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  318.975175] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  318.982437] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  318.989697] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  318.996959] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  319.004219] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  319.011544]  shrink_active_list+0x14eb/0x1f00
[  319.016087]  ? shrink_inactive_list+0x1c60/0x1c60
[  319.020928]  ? trace_hardirqs_on+0xbd/0x310
[  319.025248]  ? shrink_inactive_list+0xa4a/0x1c60
[  319.030009]  ? mark_held_locks+0x130/0x130
[  319.034265]  ? __lock_acquire+0x62f/0x4c20
[  319.038500]  ? print_usage_bug+0xc0/0xc0
[  319.042584]  ? mark_held_locks+0x130/0x130
[  319.046822]  ? mark_held_locks+0x130/0x130
[  319.051067]  ? print_usage_bug+0xc0/0xc0
[  319.055149]  ? __lock_acquire+0x62f/0x4c20
[  319.059390]  ? zap_class+0x640/0x640
[  319.063105]  ? zap_class+0x640/0x640
[  319.066826]  ? mark_held_locks+0x130/0x130
[  319.071063]  ? zap_class+0x640/0x640
[  319.074792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.080337]  ? check_preemption_disabled+0x48/0x280
[  319.085377]  ? __lock_is_held+0xb5/0x140
[  319.089450]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  319.094515]  ? inactive_list_is_low+0x305/0x880
[  319.099194]  ? lruvec_lru_size+0x450/0x450
[  319.103447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.108996]  ? lruvec_lru_size+0x2ab/0x450
[  319.113242]  ? percpu_ref_put_many+0x13e/0x260
[  319.117846]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  319.122774]  ? find_held_lock+0x36/0x1c0
[  319.126843]  shrink_node_memcg+0x803/0x18f0
[  319.131180]  ? shrink_active_list+0x1f00/0x1f00
[  319.135852]  ? lock_downgrade+0x900/0x900
[  319.140000]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  319.145120]  ? cgroup_procs_write_finish+0xf0/0xf0
[  319.150082]  ? _raw_spin_unlock+0x2c/0x50
[  319.154236]  shrink_node+0x3bc/0x16b0
[  319.158041]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  319.163373]  ? shrink_node_memcg+0x18f0/0x18f0
[  319.167956]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  319.172553]  ? trace_hardirqs_on+0xbd/0x310
[  319.176875]  ? vmpressure+0x271/0x340
[  319.180677]  ? do_raw_spin_unlock+0xa7/0x330
[  319.185084]  ? do_raw_spin_trylock+0x270/0x270
[  319.189672]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.195208]  ? __cpuset_node_allowed+0x19b/0x660
[  319.199969]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  319.205693]  ? vmpressure+0x1a2/0x340
[  319.209517]  do_try_to_free_pages+0x3e7/0x1290
[  319.214098]  ? zap_class+0x640/0x640
[  319.217831]  ? shrink_node+0x16b0/0x16b0
[  319.221892]  ? __lock_is_held+0xb5/0x140
[  319.225962]  try_to_free_pages+0x4d0/0xb90
[  319.230213]  ? do_try_to_free_pages+0x1290/0x1290
[  319.235073]  ? lock_acquire+0x1ed/0x520
[  319.239051]  ? set_page_refcounted+0x280/0x280
[  319.243638]  ? lock_release+0xa00/0xa00
[  319.247641]  ? _raw_spin_unlock_irq+0x60/0x80
[  319.252147]  ? psi_memstall_enter+0x240/0x2b0
[  319.256640]  ? psi_memstall_tick+0x230/0x230
[  319.261065]  __alloc_pages_slowpath+0xa14/0x2e10
[  319.265852]  ? warn_alloc+0x120/0x120
[  319.269649]  ? mark_held_locks+0x130/0x130
[  319.273886]  ? find_get_entry+0xaae/0x1120
[  319.278145]  ? filemap_map_pages+0x1a20/0x1a20
[  319.282728]  ? zap_class+0x640/0x640
[  319.286446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.291996]  ? check_preemption_disabled+0x48/0x280
[  319.297019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.302568]  ? should_fail+0x22d/0xd01
[  319.306461]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.311564]  ? zap_class+0x640/0x640
[  319.315305]  ? __lock_is_held+0xb5/0x140
[  319.319373]  ? mark_held_locks+0x130/0x130
[  319.323609]  ? lock_release+0xa00/0xa00
[  319.327585]  ? perf_trace_sched_process_exec+0x860/0x860
[  319.333046]  ? xa_load+0x2ba/0x460
[  319.336602]  ? lock_downgrade+0x900/0x900
[  319.340769]  ? __might_sleep+0x95/0x190
[  319.344751]  __alloc_pages_nodemask+0xa80/0xde0
[  319.349428]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  319.354444]  ? __page_cache_alloc+0x191/0x5c0
[  319.358940]  ? xa_load+0x2e1/0x460
[  319.362482]  ? xa_clear_mark+0x40/0x40
[  319.366371]  ? zap_class+0x640/0x640
[  319.370125]  ? zap_class+0x640/0x640
[  319.373834]  ? zap_class+0x640/0x640
[  319.377544]  ? __do_page_cache_readahead+0x663/0x810
[  319.382654]  ? find_held_lock+0x36/0x1c0
[  319.386719]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  319.392266]  alloc_pages_current+0x173/0x350
[  319.396681]  __page_cache_alloc+0x38c/0x5c0
[  319.401001]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.405935]  ? kasan_check_read+0x11/0x20
[  319.410080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.415355]  ? generic_perform_write+0x6a0/0x6a0
[  319.420111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.425647]  ? check_preemption_disabled+0x48/0x280
[  319.430667]  filemap_fault+0x1595/0x25f0
[  319.434739]  ? __lock_page_or_retry+0xa00/0xa00
[  319.439425]  ? mark_held_locks+0x130/0x130
[  319.443684]  ? filemap_map_pages+0xd6b/0x1a20
[  319.448186]  ? lock_downgrade+0x900/0x900
[  319.452333]  ? check_preemption_disabled+0x48/0x280
[  319.457351]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.462292]  ? kasan_check_read+0x11/0x20
[  319.466441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.471715]  ? rcu_softirq_qs+0x20/0x20
[  319.475703]  ? filemap_map_pages+0xd92/0x1a20
[  319.480202]  ? print_usage_bug+0xc0/0xc0
[  319.484270]  ? find_get_entries_tag+0x1400/0x1400
[  319.489601]  ? __kasan_slab_free+0x102/0x150
[  319.494005]  ? kasan_slab_free+0xe/0x10
[  319.497997]  ? kmem_cache_free+0x83/0x290
[  319.502150]  ? __sigqueue_free.part.29+0x74/0x90
[  319.506924]  ? lock_acquire+0x1ed/0x520
[  319.510897]  ? ext4_filemap_fault+0x7a/0xad
[  319.515225]  ? lock_release+0xa00/0xa00
[  319.519212]  ? perf_trace_sched_process_exec+0x860/0x860
[  319.524666]  ? print_usage_bug+0xc0/0xc0
[  319.528729]  ? print_usage_bug+0xc0/0xc0
[  319.532802]  ? down_read+0x8d/0x120
[  319.536422]  ? ext4_filemap_fault+0x7a/0xad
[  319.540745]  ? __down_interruptible+0x700/0x700
[  319.545441]  ext4_filemap_fault+0x82/0xad
[  319.549592]  __do_fault+0x100/0x6b0
[  319.553235]  ? pmd_devmap_trans_unstable+0x220/0x220
[  319.558337]  ? mark_held_locks+0x130/0x130
[  319.562573]  ? mark_held_locks+0x130/0x130
[  319.566814]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  319.572349]  ? rcu_pm_notify+0xc0/0xc0
[  319.576254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.581800]  __handle_mm_fault+0x3ea0/0x5be0
[  319.586228]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  319.591067]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.595558]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  319.600136]  ? trace_hardirqs_on+0xbd/0x310
[  319.604626]  ? kasan_check_read+0x11/0x20
[  319.608770]  ? __set_current_blocked+0xdf/0x120
[  319.613443]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.618571]  ? zap_class+0x640/0x640
[  319.622280]  ? zap_class+0x640/0x640
[  319.626012]  ? find_held_lock+0x36/0x1c0
[  319.630084]  ? handle_mm_fault+0x42a/0xc70
[  319.634317]  ? lock_downgrade+0x900/0x900
[  319.638476]  ? check_preemption_disabled+0x48/0x280
[  319.643508]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.648447]  ? kasan_check_read+0x11/0x20
[  319.652588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.657872]  ? rcu_softirq_qs+0x20/0x20
[  319.661862]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.666972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.672540]  ? check_preemption_disabled+0x48/0x280
[  319.677562]  handle_mm_fault+0x54f/0xc70
[  319.681622]  ? __handle_mm_fault+0x5be0/0x5be0
[  319.686208]  ? find_vma+0x34/0x190
[  319.689749]  __do_page_fault+0x5e8/0xe60
[  319.693814]  ? exit_to_usermode_loop+0x1f4/0x380
[  319.698588]  do_page_fault+0xf2/0x7e0
[  319.702418]  ? vmalloc_sync_all+0x30/0x30
[  319.706579]  ? error_entry+0x70/0xd0
[  319.710289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.715298]  ? trace_hardirqs_on_caller+0xc0/0x310
[  319.720230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.725154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.729993]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.735001]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.740455]  ? prepare_exit_to_usermode+0x291/0x3b0
[  319.745495]  ? page_fault+0x8/0x30
[  319.749050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.753893]  ? page_fault+0x8/0x30
[  319.757451]  page_fault+0x1e/0x30
[  319.760919] RIP: 0033:0x45db60
[  319.764122] Code: Bad RIP value.
[  319.767478] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  319.772836] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  319.780104] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  319.787377] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  319.794679] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  319.801969] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  319.809352] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  319.809435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.815595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.815601] Call Trace:
[  319.815608]  <IRQ>
[  319.815648]  dump_stack+0x244/0x39d
[  319.815665]  ? dump_stack_print_info.cold.1+0x20/0x20
[  319.815690]  warn_alloc.cold.116+0xb7/0x1bd
[  319.822284] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.831536]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.834093] syz-fuzzer cpuset=/ mems_allowed=0
[  319.836238]  ? lock_downgrade+0x900/0x900
[  319.873138]  ? trace_hardirqs_off+0xb8/0x310
[  319.877588]  ? trace_hardirqs_off+0xb8/0x310
[  319.882016]  __alloc_pages_slowpath+0x26e8/0x2e10
[  319.886906]  ? warn_alloc+0x120/0x120
[  319.890710]  ? print_usage_bug+0xc0/0xc0
[  319.894776]  ? warn_alloc+0x120/0x120
[  319.898580]  ? warn_alloc+0x120/0x120
[  319.902387]  ? print_usage_bug+0xc0/0xc0
[  319.906451]  ? print_usage_bug+0xc0/0xc0
[  319.910515]  ? __lock_acquire+0x62f/0x4c20
[  319.914788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.920332]  ? should_fail+0x22d/0xd01
[  319.924220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.929326]  ? __lock_acquire+0x62f/0x4c20
[  319.933577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.938681]  ? __lock_acquire+0x62f/0x4c20
[  319.942916]  ? should_fail+0x22d/0xd01
[  319.946818]  ? find_held_lock+0x36/0x1c0
[  319.950890]  ? mark_held_locks+0x130/0x130
[  319.955127]  ? mark_held_locks+0x130/0x130
[  319.959368]  ? zap_class+0x640/0x640
[  319.963080]  ? zap_class+0x640/0x640
[  319.966795]  ? print_usage_bug+0xc0/0xc0
[  319.970855]  ? do_raw_spin_unlock+0xa7/0x330
[  319.975264]  ? zap_class+0x640/0x640
[  319.978979]  ? print_usage_bug+0xc0/0xc0
[  319.983079]  ? wq_watchdog_touch+0x9c/0xfe
[  319.987340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.992903]  ? check_preemption_disabled+0x48/0x280
[  319.997937]  ? __lock_is_held+0xb5/0x140
[  320.002014]  __alloc_pages_nodemask+0xa80/0xde0
[  320.006702]  ? zap_class+0x640/0x640
[  320.010424]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  320.015459]  ? find_held_lock+0x36/0x1c0
[  320.019545]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.024221]  ? lock_downgrade+0x900/0x900
[  320.028387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.033937]  cache_grow_begin+0xa5/0x8c0
[  320.038003]  ? do_raw_spin_unlock+0xa7/0x330
[  320.042443]  fallback_alloc+0x204/0x2e0
[  320.046431]  ____cache_alloc_node+0x1c7/0x1e0
[  320.050939]  kmem_cache_alloc_node+0xe3/0x730
[  320.055444]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.059709]  __alloc_skb+0x119/0x770
[  320.063436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.068751]  ? netdev_alloc_frag+0x1f0/0x1f0
[  320.073193]  ? lock_downgrade+0x900/0x900
[  320.077359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.082910]  ? refcount_sub_and_test_checked+0x203/0x310
[  320.088380]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.093863]  ? addrconf_rs_timer+0x690/0x690
[  320.098290]  ndisc_alloc_skb+0x144/0x340
[  320.102366]  ndisc_send_rs+0x331/0x6e0
[  320.106278]  addrconf_rs_timer+0x314/0x690
[  320.110527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.114781]  call_timer_fn+0x272/0x920
[  320.118679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.122919]  ? process_timeout+0x40/0x40
[  320.126992]  ? mark_held_locks+0xc7/0x130
[  320.131170]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.135666]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.140169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.144410]  ? lockdep_hardirqs_on+0x296/0x5b0
[  320.149012]  ? trace_hardirqs_on+0xbd/0x310
[  320.153348]  ? kasan_check_read+0x11/0x20
[  320.157498]  ? __run_timers+0x7da/0xc70
[  320.161476]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.166589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.170847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.175086]  __run_timers+0x7e5/0xc70
[  320.178899]  ? timer_fixup_init+0x70/0x70
[  320.183059]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.188082]  ? zap_class+0x640/0x640
[  320.191803]  ? print_usage_bug+0xc0/0xc0
[  320.195874]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.201081]  ? find_held_lock+0x36/0x1c0
[  320.205157]  ? zap_class+0x640/0x640
[  320.208879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.214424]  ? check_preemption_disabled+0x48/0x280
[  320.219459]  ? __lock_is_held+0xb5/0x140
[  320.223528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.229075]  ? check_preemption_disabled+0x48/0x280
[  320.234163]  run_timer_softirq+0x52/0xb0
[  320.238229]  ? rcu_read_lock_sched_held+0x14f/0x180
[  320.243253]  __do_softirq+0x308/0xb7e
[  320.247070]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  320.251568]  ? lock_downgrade+0x900/0x900
[  320.255733]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  320.260846]  ? pvclock_read_flags+0x160/0x160
[  320.265345]  ? lapic_next_event+0x5a/0x90
[  320.269505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.275057]  ? kvm_clock_read+0x18/0x30
[  320.279043]  ? kvm_sched_clock_read+0x9/0x20
[  320.283458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.288999]  ? check_preemption_disabled+0x48/0x280
[  320.294075]  irq_exit+0x17f/0x1c0
[  320.297538]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.302560]  ? smp_reschedule_interrupt+0x109/0x650
[  320.307612]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.313550]  ? interrupt_entry+0xb5/0xc0
[  320.317652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.322687]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.327708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.332561]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.337594]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.342617]  ? task_prio+0x50/0x50
[  320.346165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.351710]  ? check_preemption_disabled+0x48/0x280
[  320.356738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.361594]  apic_timer_interrupt+0xf/0x20
[  320.365824]  </IRQ>
[  320.368063] RIP: 0010:dump_stack+0x358/0x39d
[  320.372472] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  320.391406] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  320.399132] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  320.406418] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  320.413730] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  320.421012] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  320.428305] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  320.435615]  ? dump_stack+0x34f/0x39d
[  320.439441]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.444690]  ? mark_held_locks+0x130/0x130
[  320.448934]  ? mark_held_locks+0x130/0x130
[  320.453180]  dump_header+0x27b/0xf72
[  320.456906]  ? pagefault_out_of_memory+0x197/0x197
[  320.461844]  ? __lock_acquire+0x62f/0x4c20
[  320.466083]  ? percpu_ref_get_many+0x240/0x240
[  320.470668]  ? print_usage_bug+0xc0/0xc0
[  320.474738]  ? zap_class+0x640/0x640
[  320.478459]  ? print_usage_bug+0xc0/0xc0
[  320.482516]  ? print_usage_bug+0xc0/0xc0
[  320.486587]  ? zap_class+0x640/0x640
[  320.490309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.495853]  ? find_held_lock+0x36/0x1c0
[  320.499932]  ? mark_held_locks+0xc7/0x130
[  320.504082]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.509183]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.514312]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.518896]  ? trace_hardirqs_on+0xbd/0x310
[  320.523229]  ? kasan_check_read+0x11/0x20
[  320.527376]  ? ___ratelimit+0x3b4/0x672
[  320.531380]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.536488]  ? trace_hardirqs_on+0x310/0x310
[  320.540898]  ? lock_downgrade+0x900/0x900
[  320.545061]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.550173]  ? ___ratelimit+0x3b9/0x672
[  320.554147]  ? idr_get_free+0xf70/0xf70
[  320.558619]  ? find_held_lock+0x36/0x1c0
[  320.562688]  oom_kill_process.cold.27+0x10/0x903
[  320.567450]  ? zap_class+0x640/0x640
[  320.571179]  ? check_preemption_disabled+0x48/0x280
[  320.576195]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.581122]  ? kasan_check_read+0x11/0x20
[  320.585269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.590552]  ? oom_evaluate_task+0x540/0x540
[  320.594965]  ? find_held_lock+0x36/0x1c0
[  320.599043]  ? out_of_memory+0x974/0x1430
[  320.603215]  ? lock_downgrade+0x900/0x900
[  320.607385]  ? check_preemption_disabled+0x48/0x280
[  320.612409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.617342]  ? kasan_check_read+0x11/0x20
[  320.621495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.626780]  ? rcu_softirq_qs+0x20/0x20
[  320.630783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.636338]  ? oom_evaluate_task+0x302/0x540
[  320.640770]  out_of_memory+0xa84/0x1430
[  320.644761]  ? oom_killer_disable+0x3a0/0x3a0
[  320.649263]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  320.654203]  ? __ww_mutex_check_waiters+0x160/0x160
[  320.659234]  __alloc_pages_slowpath+0x2354/0x2e10
[  320.664111]  ? warn_alloc+0x120/0x120
[  320.667912]  ? mark_held_locks+0x130/0x130
[  320.672159]  ? find_get_entry+0xaae/0x1120
[  320.676403]  ? filemap_map_pages+0x1a20/0x1a20
[  320.680990]  ? zap_class+0x640/0x640
[  320.684710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.690414]  ? check_preemption_disabled+0x48/0x280
[  320.695424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.700969]  ? should_fail+0x22d/0xd01
[  320.704854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.709964]  ? zap_class+0x640/0x640
[  320.713688]  ? __lock_is_held+0xb5/0x140
[  320.717774]  ? mark_held_locks+0x130/0x130
[  320.722009]  ? lock_release+0xa00/0xa00
[  320.725990]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.731446]  ? xa_load+0x2ba/0x460
[  320.735003]  ? lock_downgrade+0x900/0x900
[  320.739165]  ? __might_sleep+0x95/0x190
[  320.743151]  __alloc_pages_nodemask+0xa80/0xde0
[  320.747847]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  320.752862]  ? __page_cache_alloc+0x191/0x5c0
[  320.757356]  ? xa_load+0x2e1/0x460
[  320.760894]  ? xa_clear_mark+0x40/0x40
[  320.764875]  ? zap_class+0x640/0x640
[  320.768599]  ? zap_class+0x640/0x640
[  320.772311]  ? zap_class+0x640/0x640
[  320.776020]  ? __do_page_cache_readahead+0x663/0x810
[  320.781205]  ? find_held_lock+0x36/0x1c0
[  320.785287]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.790837]  alloc_pages_current+0x173/0x350
[  320.795255]  __page_cache_alloc+0x38c/0x5c0
[  320.799580]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.804514]  ? kasan_check_read+0x11/0x20
[  320.808679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.813972]  ? generic_perform_write+0x6a0/0x6a0
[  320.818736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.824302]  ? check_preemption_disabled+0x48/0x280
[  320.829366]  filemap_fault+0x1595/0x25f0
[  320.833448]  ? __lock_page_or_retry+0xa00/0xa00
[  320.838127]  ? mark_held_locks+0x130/0x130
[  320.842373]  ? filemap_map_pages+0xd6b/0x1a20
[  320.846878]  ? lock_downgrade+0x900/0x900
[  320.851036]  ? check_preemption_disabled+0x48/0x280
[  320.856074]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.861010]  ? kasan_check_read+0x11/0x20
[  320.865172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.870484]  ? rcu_softirq_qs+0x20/0x20
[  320.874477]  ? filemap_map_pages+0xd92/0x1a20
[  320.878997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.884556]  ? find_get_entries_tag+0x1400/0x1400
[  320.889412]  ? __lock_acquire+0x62f/0x4c20
[  320.893665]  ? lock_acquire+0x1ed/0x520
[  320.897644]  ? ext4_filemap_fault+0x7a/0xad
[  320.901975]  ? lock_release+0xa00/0xa00
[  320.905949]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.911414]  ? print_usage_bug+0xc0/0xc0
[  320.915482]  ? print_usage_bug+0xc0/0xc0
[  320.919559]  ? down_read+0x8d/0x120
[  320.923193]  ? ext4_filemap_fault+0x7a/0xad
[  320.927541]  ? __down_interruptible+0x700/0x700
[  320.932238]  ext4_filemap_fault+0x82/0xad
[  320.936407]  __do_fault+0x100/0x6b0
[  320.940048]  ? pmd_devmap_trans_unstable+0x220/0x220
[  320.945167]  ? mark_held_locks+0x130/0x130
[  320.949431]  ? mark_held_locks+0x130/0x130
[  320.953667]  ? find_held_lock+0x36/0x1c0
[  320.957743]  ? find_held_lock+0x36/0x1c0
[  320.961826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.967375]  __handle_mm_fault+0x3ea0/0x5be0
[  320.971786]  ? poll_select_copy_remaining+0x18c/0x6a0
[  320.976992]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  320.981853]  ? __might_fault+0x12b/0x1e0
[  320.985918]  ? lock_downgrade+0x900/0x900
[  320.990079]  ? zap_class+0x640/0x640
[  320.993797]  ? zap_class+0x640/0x640
[  320.997536]  ? find_held_lock+0x36/0x1c0
[  321.001615]  ? handle_mm_fault+0x42a/0xc70
[  321.005855]  ? lock_downgrade+0x900/0x900
[  321.010010]  ? check_preemption_disabled+0x48/0x280
[  321.015159]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  321.020110]  ? kasan_check_read+0x11/0x20
[  321.024265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.029548]  ? rcu_softirq_qs+0x20/0x20
[  321.033547]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.038679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.044226]  ? check_preemption_disabled+0x48/0x280
[  321.049252]  handle_mm_fault+0x54f/0xc70
[  321.053330]  ? __handle_mm_fault+0x5be0/0x5be0
[  321.057923]  ? find_vma+0x34/0x190
[  321.061488]  __do_page_fault+0x5e8/0xe60
[  321.065552]  ? trace_hardirqs_off+0xb8/0x310
[  321.070002]  do_page_fault+0xf2/0x7e0
[  321.073845]  ? vmalloc_sync_all+0x30/0x30
[  321.078002]  ? error_entry+0x70/0xd0
[  321.081731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.086750]  ? trace_hardirqs_on_caller+0xc0/0x310
[  321.091678]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.096621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.101491]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.106510]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.111995]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.117040]  ? prepare_exit_to_usermode+0x291/0x3b0
[  321.122074]  ? page_fault+0x8/0x30
[  321.125644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.130513]  ? page_fault+0x8/0x30
[  321.134073]  page_fault+0x1e/0x30
[  321.137524] RIP: 0033:0x7fafaecd0dd3
[  321.141271] Code: Bad RIP value.
[  321.144654] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  321.150051] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  321.157328] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  321.164627] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  321.171906] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  321.179194] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  321.186514] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  321.186520] warn_alloc_show_mem: 1 callbacks suppressed
[  321.186527] Mem-Info:
[  321.193553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.198928] active_anon:50685 inactive_anon:189 isolated_anon:0
[  321.198928]  active_file:14 inactive_file:14 isolated_file:0
[  321.198928]  unevictable:0 dirty:0 writeback:0 unstable:0
[  321.198928]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  321.198928]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  321.198928]  free:13759 free_pcp:552 free_cma:0
[  321.201297] Call Trace:
[  321.210719] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  321.243602]  <IRQ>
[  321.246180] 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
[  321.273611]  dump_stack+0x244/0x39d
[  321.275731] lowmem_reserve[]: 0 2818 6321 6321
[  321.301864]  ? dump_stack_print_info.cold.1+0x20/0x20
[  321.305473] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  321.310096]  warn_alloc.cold.116+0xb7/0x1bd
[  321.315256] lowmem_reserve[]: 0 0 3503 3503
[  321.342873]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.347166] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  321.351489]  ? lock_downgrade+0x900/0x900
[  321.356312] lowmem_reserve[]: 0 0 0 0
[  321.385414]  ? trace_hardirqs_off+0xb8/0x310
[  321.389540] 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
[  321.393341]  ? trace_hardirqs_off+0xb8/0x310
[  321.397718] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  321.411265]  __alloc_pages_slowpath+0x26e8/0x2e10
[  321.415653] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  321.431059]  ? warn_alloc+0x120/0x120
[  321.435867] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.450968]  ? print_usage_bug+0xc0/0xc0
[  321.454750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.463585]  ? warn_alloc+0x120/0x120
[  321.467622] 272 total pagecache pages
[  321.476207]  ? warn_alloc+0x120/0x120
[  321.479983] 0 pages in swap cache
[  321.483774]  ? print_usage_bug+0xc0/0xc0
[  321.487553] Swap cache stats: add 0, delete 0, find 0/0
[  321.491011]  ? kvm_clock_read+0x18/0x30
[  321.491038]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  321.495086] Free swap  = 0kB
[  321.500447]  ? print_usage_bug+0xc0/0xc0
[  321.504391] Total swap = 0kB
[  321.509418]  ? __lock_acquire+0x62f/0x4c20
[  321.512412] 1965979 pages RAM
[  321.516484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.519474] 0 pages HighMem/MovableOnly
[  321.523706]  ? should_fail+0x22d/0xd01
[  321.526790] 342853 pages reserved
[  321.532345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.536290] 0 pages cma reserved
[  321.540170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.543667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.548866]  ? __lock_acquire+0x62f/0x4c20
[  321.552345] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.557733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.564200] init cpuset=/ mems_allowed=0
[  321.568429]  ? __lock_acquire+0x62f/0x4c20
[  321.568447]  ? should_fail+0x22d/0xd01
[  321.595403]  ? rcu_irq_exit+0x1a2/0x390
[  321.599395]  ? mark_held_locks+0x130/0x130
[  321.603639]  ? mark_held_locks+0x130/0x130
[  321.607880]  ? mark_held_locks+0xc7/0x130
[  321.612038]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  321.617067]  ? zap_class+0x640/0x640
[  321.620783]  ? print_usage_bug+0xc0/0xc0
[  321.624871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.630423]  ? check_preemption_disabled+0x48/0x280
[  321.635500]  ? __lock_is_held+0xb5/0x140
[  321.639585]  __alloc_pages_nodemask+0xa80/0xde0
[  321.644261]  ? zap_class+0x640/0x640
[  321.647994]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  321.653054]  ? find_held_lock+0x36/0x1c0
[  321.657147]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.661843]  ? lock_downgrade+0x900/0x900
[  321.665999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.671556]  cache_grow_begin+0xa5/0x8c0
[  321.675620]  ? do_raw_spin_unlock+0xa7/0x330
[  321.680049]  fallback_alloc+0x204/0x2e0
[  321.684065]  ____cache_alloc_node+0x1c7/0x1e0
[  321.688568]  kmem_cache_alloc_node+0xe3/0x730
[  321.693098]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.697347]  __alloc_skb+0x119/0x770
[  321.701064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.706365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  321.710779]  ? lock_downgrade+0x900/0x900
[  321.714941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.720485]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.725943]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.731399]  ? addrconf_rs_timer+0x690/0x690
[  321.735840]  ndisc_alloc_skb+0x144/0x340
[  321.739907]  ndisc_send_rs+0x331/0x6e0
[  321.743803]  addrconf_rs_timer+0x314/0x690
[  321.748049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.752310]  call_timer_fn+0x272/0x920
[  321.756228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.760463]  ? process_timeout+0x40/0x40
[  321.764539]  ? mark_held_locks+0xc7/0x130
[  321.768685]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.773176]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.777669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.781900]  ? lockdep_hardirqs_on+0x296/0x5b0
[  321.786502]  ? trace_hardirqs_on+0xbd/0x310
[  321.790830]  ? kasan_check_read+0x11/0x20
[  321.794976]  ? __run_timers+0x7da/0xc70
[  321.798956]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.804077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.808319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.812582]  __run_timers+0x7e5/0xc70
[  321.816423]  ? timer_fixup_init+0x70/0x70
[  321.820582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.825602]  ? zap_class+0x640/0x640
[  321.829321]  ? print_usage_bug+0xc0/0xc0
[  321.833389]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.838588]  ? find_held_lock+0x36/0x1c0
[  321.842658]  ? zap_class+0x640/0x640
[  321.846401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.851972]  ? check_preemption_disabled+0x48/0x280
[  321.857001]  ? __lock_is_held+0xb5/0x140
[  321.861077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.866634]  ? check_preemption_disabled+0x48/0x280
[  321.871657]  run_timer_softirq+0x52/0xb0
[  321.875727]  ? rcu_read_lock_sched_held+0x14f/0x180
[  321.880773]  __do_softirq+0x308/0xb7e
[  321.884610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  321.889109]  ? lock_downgrade+0x900/0x900
[  321.893266]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  321.898383]  ? pvclock_read_flags+0x160/0x160
[  321.902898]  ? lapic_next_event+0x5a/0x90
[  321.907058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.912616]  ? kvm_clock_read+0x18/0x30
[  321.916590]  ? kvm_sched_clock_read+0x9/0x20
[  321.921015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.926594]  ? check_preemption_disabled+0x48/0x280
[  321.931635]  irq_exit+0x17f/0x1c0
[  321.935105]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.939951]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.945842]  ? interrupt_entry+0xb5/0xc0
[  321.949904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.954919]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.959944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.964790]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.969815]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.974834]  ? task_prio+0x50/0x50
[  321.978378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.983923]  ? check_preemption_disabled+0x48/0x280
[  321.988947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.993804]  apic_timer_interrupt+0xf/0x20
[  321.998042]  </IRQ>
[  322.000285] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  322.005392] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  322.024316] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  322.032039] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  322.039318] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  322.046589] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  322.053856] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  322.061123] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  322.068434]  shrink_active_list+0x14eb/0x1f00
[  322.072950]  ? shrink_inactive_list+0x1c60/0x1c60
[  322.077819]  ? trace_hardirqs_on+0xbd/0x310
[  322.082153]  ? shrink_inactive_list+0xa4a/0x1c60
[  322.086920]  ? mark_held_locks+0x130/0x130
[  322.091153]  ? __lock_acquire+0x62f/0x4c20
[  322.095387]  ? print_usage_bug+0xc0/0xc0
[  322.099461]  ? mark_held_locks+0x130/0x130
[  322.103712]  ? mark_held_locks+0x130/0x130
[  322.107976]  ? print_usage_bug+0xc0/0xc0
[  322.112052]  ? __lock_acquire+0x62f/0x4c20
[  322.116305]  ? zap_class+0x640/0x640
[  322.120032]  ? zap_class+0x640/0x640
[  322.123775]  ? mark_held_locks+0x130/0x130
[  322.128012]  ? zap_class+0x640/0x640
[  322.131746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.137319]  ? check_preemption_disabled+0x48/0x280
[  322.142361]  ? __lock_is_held+0xb5/0x140
[  322.146439]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.151490]  ? inactive_list_is_low+0x305/0x880
[  322.156168]  ? lruvec_lru_size+0x450/0x450
[  322.160433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.165973]  ? lruvec_lru_size+0x2ab/0x450
[  322.170213]  ? percpu_ref_put_many+0x13e/0x260
[  322.174813]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  322.179746]  ? find_held_lock+0x36/0x1c0
[  322.183822]  shrink_node_memcg+0x803/0x18f0
[  322.188223]  ? shrink_active_list+0x1f00/0x1f00
[  322.192901]  ? lock_downgrade+0x900/0x900
[  322.197069]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.202183]  ? cgroup_procs_write_finish+0xf0/0xf0
[  322.207126]  ? _raw_spin_unlock+0x2c/0x50
[  322.211286]  shrink_node+0x3bc/0x16b0
[  322.215091]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  322.220391]  ? shrink_node_memcg+0x18f0/0x18f0
[  322.224972]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.229562]  ? trace_hardirqs_on+0xbd/0x310
[  322.233889]  ? vmpressure+0x271/0x340
[  322.237696]  ? do_raw_spin_unlock+0xa7/0x330
[  322.242106]  ? do_raw_spin_trylock+0x270/0x270
[  322.246712]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.252269]  ? __cpuset_node_allowed+0x19b/0x660
[  322.257036]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  322.262751]  ? vmpressure+0x1a2/0x340
[  322.266561]  do_try_to_free_pages+0x3e7/0x1290
[  322.271145]  ? zap_class+0x640/0x640
[  322.274887]  ? shrink_node+0x16b0/0x16b0
[  322.278948]  ? __lock_is_held+0xb5/0x140
[  322.283044]  try_to_free_pages+0x4d0/0xb90
[  322.287298]  ? do_try_to_free_pages+0x1290/0x1290
[  322.292155]  ? lock_acquire+0x1ed/0x520
[  322.296132]  ? set_page_refcounted+0x280/0x280
[  322.300723]  ? lock_release+0xa00/0xa00
[  322.304699]  ? _raw_spin_unlock_irq+0x60/0x80
[  322.309198]  ? psi_memstall_enter+0x240/0x2b0
[  322.313696]  ? psi_memstall_tick+0x230/0x230
[  322.318119]  __alloc_pages_slowpath+0xa14/0x2e10
[  322.322906]  ? warn_alloc+0x120/0x120
[  322.326712]  ? mark_held_locks+0x130/0x130
[  322.330954]  ? find_get_entry+0xaae/0x1120
[  322.335195]  ? filemap_map_pages+0x1a20/0x1a20
[  322.339783]  ? zap_class+0x640/0x640
[  322.343520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.349078]  ? check_preemption_disabled+0x48/0x280
[  322.354108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.359653]  ? should_fail+0x22d/0xd01
[  322.363580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.368707]  ? zap_class+0x640/0x640
[  322.372452]  ? __lock_is_held+0xb5/0x140
[  322.376527]  ? mark_held_locks+0x130/0x130
[  322.380765]  ? lock_release+0xa00/0xa00
[  322.384744]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.390197]  ? xa_load+0x2ba/0x460
[  322.393790]  ? lock_downgrade+0x900/0x900
[  322.397951]  ? __might_sleep+0x95/0x190
[  322.401949]  __alloc_pages_nodemask+0xa80/0xde0
[  322.406623]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  322.411640]  ? __page_cache_alloc+0x191/0x5c0
[  322.416152]  ? xa_load+0x2e1/0x460
[  322.419708]  ? xa_clear_mark+0x40/0x40
[  322.423621]  ? zap_class+0x640/0x640
[  322.427347]  ? zap_class+0x640/0x640
[  322.431064]  ? zap_class+0x640/0x640
[  322.434784]  ? __do_page_cache_readahead+0x663/0x810
[  322.439907]  ? find_held_lock+0x36/0x1c0
[  322.443975]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  322.449522]  alloc_pages_current+0x173/0x350
[  322.453935]  __page_cache_alloc+0x38c/0x5c0
[  322.458257]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.463190]  ? kasan_check_read+0x11/0x20
[  322.467374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.472661]  ? generic_perform_write+0x6a0/0x6a0
[  322.477425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.482967]  ? check_preemption_disabled+0x48/0x280
[  322.487994]  filemap_fault+0x1595/0x25f0
[  322.492079]  ? __lock_page_or_retry+0xa00/0xa00
[  322.496756]  ? mark_held_locks+0x130/0x130
[  322.500997]  ? filemap_map_pages+0xd6b/0x1a20
[  322.505499]  ? lock_downgrade+0x900/0x900
[  322.509734]  ? check_preemption_disabled+0x48/0x280
[  322.514774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.519709]  ? kasan_check_read+0x11/0x20
[  322.523855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.529153]  ? rcu_softirq_qs+0x20/0x20
[  322.533148]  ? filemap_map_pages+0xd92/0x1a20
[  322.537654]  ? print_usage_bug+0xc0/0xc0
[  322.541727]  ? find_get_entries_tag+0x1400/0x1400
[  322.546569]  ? __kasan_slab_free+0x102/0x150
[  322.550974]  ? kasan_slab_free+0xe/0x10
[  322.554960]  ? kmem_cache_free+0x83/0x290
[  322.559468]  ? __sigqueue_free.part.29+0x74/0x90
[  322.564245]  ? lock_acquire+0x1ed/0x520
[  322.568220]  ? ext4_filemap_fault+0x7a/0xad
[  322.572566]  ? lock_release+0xa00/0xa00
[  322.576570]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.582031]  ? print_usage_bug+0xc0/0xc0
[  322.586096]  ? print_usage_bug+0xc0/0xc0
[  322.590168]  ? down_read+0x8d/0x120
[  322.593795]  ? ext4_filemap_fault+0x7a/0xad
[  322.598126]  ? __down_interruptible+0x700/0x700
[  322.602836]  ext4_filemap_fault+0x82/0xad
[  322.606991]  __do_fault+0x100/0x6b0
[  322.610628]  ? pmd_devmap_trans_unstable+0x220/0x220
[  322.615756]  ? mark_held_locks+0x130/0x130
[  322.620009]  ? mark_held_locks+0x130/0x130
[  322.624250]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  322.629795]  ? rcu_pm_notify+0xc0/0xc0
[  322.633726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.639288]  __handle_mm_fault+0x3ea0/0x5be0
[  322.643711]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  322.648554]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.653095]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.657684]  ? trace_hardirqs_on+0xbd/0x310
[  322.662007]  ? kasan_check_read+0x11/0x20
[  322.666165]  ? __set_current_blocked+0xdf/0x120
[  322.670867]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.675996]  ? zap_class+0x640/0x640
[  322.679710]  ? zap_class+0x640/0x640
[  322.683452]  ? find_held_lock+0x36/0x1c0
[  322.687524]  ? handle_mm_fault+0x42a/0xc70
[  322.692316]  ? lock_downgrade+0x900/0x900
[  322.696486]  ? check_preemption_disabled+0x48/0x280
[  322.701626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.706556]  ? kasan_check_read+0x11/0x20
[  322.710695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.715962]  ? rcu_softirq_qs+0x20/0x20
[  322.719945]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.725065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.730600]  ? check_preemption_disabled+0x48/0x280
[  322.735627]  handle_mm_fault+0x54f/0xc70
[  322.739689]  ? __handle_mm_fault+0x5be0/0x5be0
[  322.744272]  ? find_vma+0x34/0x190
[  322.747834]  __do_page_fault+0x5e8/0xe60
[  322.751902]  ? exit_to_usermode_loop+0x1f4/0x380
[  322.756664]  do_page_fault+0xf2/0x7e0
[  322.760512]  ? vmalloc_sync_all+0x30/0x30
[  322.764673]  ? error_entry+0x70/0xd0
[  322.768404]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.773417]  ? trace_hardirqs_on_caller+0xc0/0x310
[  322.778347]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.783290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.788137]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.793157]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.798630]  ? prepare_exit_to_usermode+0x291/0x3b0
[  322.803650]  ? page_fault+0x8/0x30
[  322.807208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.812079]  ? page_fault+0x8/0x30
[  322.815637]  page_fault+0x1e/0x30
[  322.819088] RIP: 0033:0x45db60
[  322.822298] Code: Bad RIP value.
[  322.825656] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  322.831017] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  322.838295] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  322.845607] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  322.852878] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  322.860143] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  322.867471] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  322.867553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.873727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.873732] Call Trace:
[  322.873739]  <IRQ>
[  322.873763]  dump_stack+0x244/0x39d
[  322.873778]  ? dump_stack_print_info.cold.1+0x20/0x20
[  322.873826]  warn_alloc.cold.116+0xb7/0x1bd
[  322.880392] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.889682]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  322.892235] syz-fuzzer cpuset=/ mems_allowed=0
[  322.894381]  ? lock_downgrade+0x900/0x900
[  322.931219]  ? trace_hardirqs_off+0xb8/0x310
[  322.935649]  ? trace_hardirqs_off+0xb8/0x310
[  322.940074]  __alloc_pages_slowpath+0x26e8/0x2e10
[  322.944942]  ? warn_alloc+0x120/0x120
[  322.948748]  ? print_usage_bug+0xc0/0xc0
[  322.952811]  ? warn_alloc+0x120/0x120
[  322.956723]  ? warn_alloc+0x120/0x120
[  322.960528]  ? print_usage_bug+0xc0/0xc0
[  322.964590]  ? kvm_clock_read+0x18/0x30
[  322.968576]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  322.973598]  ? print_usage_bug+0xc0/0xc0
[  322.977661]  ? __lock_acquire+0x62f/0x4c20
[  322.981920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.987458]  ? should_fail+0x22d/0xd01
[  322.991363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.996674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.001781]  ? __lock_acquire+0x62f/0x4c20
[  323.006033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.011139]  ? __lock_acquire+0x62f/0x4c20
[  323.015374]  ? should_fail+0x22d/0xd01
[  323.019263]  ? rcu_irq_exit+0x1a2/0x390
[  323.023256]  ? mark_held_locks+0x130/0x130
[  323.027593]  ? mark_held_locks+0x130/0x130
[  323.031842]  ? mark_held_locks+0xc7/0x130
[  323.035989]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  323.041043]  ? zap_class+0x640/0x640
[  323.044772]  ? print_usage_bug+0xc0/0xc0
[  323.048869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.054410]  ? check_preemption_disabled+0x48/0x280
[  323.059436]  ? __lock_is_held+0xb5/0x140
[  323.063505]  __alloc_pages_nodemask+0xa80/0xde0
[  323.068195]  ? zap_class+0x640/0x640
[  323.071913]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  323.076938]  ? find_held_lock+0x36/0x1c0
[  323.081010]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.085686]  ? lock_downgrade+0x900/0x900
[  323.089864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.095411]  cache_grow_begin+0xa5/0x8c0
[  323.099477]  ? do_raw_spin_unlock+0xa7/0x330
[  323.103933]  fallback_alloc+0x204/0x2e0
[  323.107919]  ____cache_alloc_node+0x1c7/0x1e0
[  323.112442]  kmem_cache_alloc_node+0xe3/0x730
[  323.116947]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.121201]  __alloc_skb+0x119/0x770
[  323.124916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.130202]  ? netdev_alloc_frag+0x1f0/0x1f0
[  323.134616]  ? lock_downgrade+0x900/0x900
[  323.138776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.144325]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.149789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.155248]  ? addrconf_rs_timer+0x690/0x690
[  323.159691]  ndisc_alloc_skb+0x144/0x340
[  323.163790]  ndisc_send_rs+0x331/0x6e0
[  323.167688]  addrconf_rs_timer+0x314/0x690
[  323.171933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.176193]  call_timer_fn+0x272/0x920
[  323.180083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.184323]  ? process_timeout+0x40/0x40
[  323.188396]  ? mark_held_locks+0xc7/0x130
[  323.192563]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.197062]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.201561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.205807]  ? lockdep_hardirqs_on+0x296/0x5b0
[  323.210395]  ? trace_hardirqs_on+0xbd/0x310
[  323.214721]  ? kasan_check_read+0x11/0x20
[  323.218881]  ? __run_timers+0x7da/0xc70
[  323.222862]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.227979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.232228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.236485]  __run_timers+0x7e5/0xc70
[  323.240305]  ? timer_fixup_init+0x70/0x70
[  323.244477]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.249499]  ? zap_class+0x640/0x640
[  323.253223]  ? print_usage_bug+0xc0/0xc0
[  323.257292]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.262501]  ? find_held_lock+0x36/0x1c0
[  323.266577]  ? zap_class+0x640/0x640
[  323.270308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.275854]  ? check_preemption_disabled+0x48/0x280
[  323.280890]  ? __lock_is_held+0xb5/0x140
[  323.284958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.290505]  ? check_preemption_disabled+0x48/0x280
[  323.295535]  run_timer_softirq+0x52/0xb0
[  323.299605]  ? rcu_read_lock_sched_held+0x14f/0x180
[  323.304643]  __do_softirq+0x308/0xb7e
[  323.308454]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  323.312958]  ? lock_downgrade+0x900/0x900
[  323.317116]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  323.322236]  ? pvclock_read_flags+0x160/0x160
[  323.326740]  ? lapic_next_event+0x5a/0x90
[  323.330896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.336448]  ? kvm_clock_read+0x18/0x30
[  323.340430]  ? kvm_sched_clock_read+0x9/0x20
[  323.344858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.350399]  ? check_preemption_disabled+0x48/0x280
[  323.355430]  irq_exit+0x17f/0x1c0
[  323.358896]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.363743]  ? smp_reschedule_interrupt+0x109/0x650
[  323.368767]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.374670]  ? interrupt_entry+0xb5/0xc0
[  323.378736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.383757]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.388792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.393646]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.398668]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.403696]  ? task_prio+0x50/0x50
[  323.407259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.412823]  ? check_preemption_disabled+0x48/0x280
[  323.417851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.422713]  apic_timer_interrupt+0xf/0x20
[  323.426978]  </IRQ>
[  323.429225] RIP: 0010:dump_stack+0x358/0x39d
[  323.433642] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  323.452565] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  323.460303] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  323.467605] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  323.474906] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  323.482201] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  323.489481] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  323.496793]  ? dump_stack+0x34f/0x39d
[  323.500632]  ? dump_stack_print_info.cold.1+0x20/0x20
[  323.505837]  ? mark_held_locks+0x130/0x130
[  323.510091]  ? mark_held_locks+0x130/0x130
[  323.514334]  dump_header+0x27b/0xf72
[  323.518075]  ? pagefault_out_of_memory+0x197/0x197
[  323.523040]  ? __lock_acquire+0x62f/0x4c20
[  323.527279]  ? percpu_ref_get_many+0x240/0x240
[  323.531872]  ? print_usage_bug+0xc0/0xc0
[  323.535939]  ? zap_class+0x640/0x640
[  323.539653]  ? print_usage_bug+0xc0/0xc0
[  323.543709]  ? print_usage_bug+0xc0/0xc0
[  323.547772]  ? zap_class+0x640/0x640
[  323.551494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.557046]  ? find_held_lock+0x36/0x1c0
[  323.561122]  ? mark_held_locks+0xc7/0x130
[  323.565294]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.570445]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.575585]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  323.580194]  ? trace_hardirqs_on+0xbd/0x310
[  323.584544]  ? kasan_check_read+0x11/0x20
[  323.588705]  ? ___ratelimit+0x3b4/0x672
[  323.592684]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.597787]  ? trace_hardirqs_on+0x310/0x310
[  323.602197]  ? lock_downgrade+0x900/0x900
[  323.606362]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.611476]  ? ___ratelimit+0x3b9/0x672
[  323.615455]  ? idr_get_free+0xf70/0xf70
[  323.619432]  ? find_held_lock+0x36/0x1c0
[  323.623519]  oom_kill_process.cold.27+0x10/0x903
[  323.628292]  ? zap_class+0x640/0x640
[  323.632015]  ? check_preemption_disabled+0x48/0x280
[  323.637050]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.641986]  ? kasan_check_read+0x11/0x20
[  323.646134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.651414]  ? oom_evaluate_task+0x540/0x540
[  323.655826]  ? find_held_lock+0x36/0x1c0
[  323.659892]  ? out_of_memory+0x974/0x1430
[  323.664078]  ? lock_downgrade+0x900/0x900
[  323.668228]  ? check_preemption_disabled+0x48/0x280
[  323.673259]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.678217]  ? kasan_check_read+0x11/0x20
[  323.682365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.687639]  ? rcu_softirq_qs+0x20/0x20
[  323.691644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.697176]  ? oom_evaluate_task+0x302/0x540
[  323.701593]  out_of_memory+0xa84/0x1430
[  323.705580]  ? oom_killer_disable+0x3a0/0x3a0
[  323.710092]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  323.715034]  ? __ww_mutex_check_waiters+0x160/0x160
[  323.720064]  __alloc_pages_slowpath+0x2354/0x2e10
[  323.724926]  ? warn_alloc+0x120/0x120
[  323.728720]  ? mark_held_locks+0x130/0x130
[  323.732952]  ? find_get_entry+0xaae/0x1120
[  323.737189]  ? filemap_map_pages+0x1a20/0x1a20
[  323.741777]  ? zap_class+0x640/0x640
[  323.745494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.751044]  ? check_preemption_disabled+0x48/0x280
[  323.756067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.761606]  ? should_fail+0x22d/0xd01
[  323.765499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.770608]  ? zap_class+0x640/0x640
[  323.774368]  ? __lock_is_held+0xb5/0x140
[  323.778494]  ? mark_held_locks+0x130/0x130
[  323.782735]  ? lock_release+0xa00/0xa00
[  323.786724]  ? perf_trace_sched_process_exec+0x860/0x860
[  323.792180]  ? xa_load+0x2ba/0x460
[  323.795726]  ? lock_downgrade+0x900/0x900
[  323.799893]  ? __might_sleep+0x95/0x190
[  323.803876]  __alloc_pages_nodemask+0xa80/0xde0
[  323.808560]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  323.813586]  ? __page_cache_alloc+0x191/0x5c0
[  323.818087]  ? xa_load+0x2e1/0x460
[  323.821634]  ? xa_clear_mark+0x40/0x40
[  323.825540]  ? zap_class+0x640/0x640
[  323.829277]  ? zap_class+0x640/0x640
[  323.832997]  ? zap_class+0x640/0x640
[  323.836723]  ? __do_page_cache_readahead+0x663/0x810
[  323.841849]  ? find_held_lock+0x36/0x1c0
[  323.845921]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  323.851467]  alloc_pages_current+0x173/0x350
[  323.855910]  __page_cache_alloc+0x38c/0x5c0
[  323.860233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.865166]  ? kasan_check_read+0x11/0x20
[  323.869415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.874703]  ? generic_perform_write+0x6a0/0x6a0
[  323.879467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.885052]  ? check_preemption_disabled+0x48/0x280
[  323.890086]  filemap_fault+0x1595/0x25f0
[  323.894160]  ? __lock_page_or_retry+0xa00/0xa00
[  323.898839]  ? mark_held_locks+0x130/0x130
[  323.903088]  ? filemap_map_pages+0xd6b/0x1a20
[  323.907591]  ? lock_downgrade+0x900/0x900
[  323.911740]  ? check_preemption_disabled+0x48/0x280
[  323.916762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.921696]  ? kasan_check_read+0x11/0x20
[  323.925846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.931141]  ? rcu_softirq_qs+0x20/0x20
[  323.935137]  ? filemap_map_pages+0xd92/0x1a20
[  323.939646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.945206]  ? find_get_entries_tag+0x1400/0x1400
[  323.950106]  ? __lock_acquire+0x62f/0x4c20
[  323.954355]  ? lock_acquire+0x1ed/0x520
[  323.958332]  ? ext4_filemap_fault+0x7a/0xad
[  323.962668]  ? lock_release+0xa00/0xa00
[  323.966652]  ? perf_trace_sched_process_exec+0x860/0x860
[  323.972133]  ? print_usage_bug+0xc0/0xc0
[  323.976207]  ? print_usage_bug+0xc0/0xc0
[  323.980305]  ? down_read+0x8d/0x120
[  323.983931]  ? ext4_filemap_fault+0x7a/0xad
[  323.988264]  ? __down_interruptible+0x700/0x700
[  323.992953]  ext4_filemap_fault+0x82/0xad
[  323.997120]  __do_fault+0x100/0x6b0
[  324.000753]  ? pmd_devmap_trans_unstable+0x220/0x220
[  324.005865]  ? mark_held_locks+0x130/0x130
[  324.010109]  ? mark_held_locks+0x130/0x130
[  324.014347]  ? find_held_lock+0x36/0x1c0
[  324.018417]  ? find_held_lock+0x36/0x1c0
[  324.022492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.028066]  __handle_mm_fault+0x3ea0/0x5be0
[  324.032509]  ? poll_select_copy_remaining+0x18c/0x6a0
[  324.037712]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  324.042567]  ? __might_fault+0x12b/0x1e0
[  324.046634]  ? lock_downgrade+0x900/0x900
[  324.050796]  ? zap_class+0x640/0x640
[  324.054512]  ? zap_class+0x640/0x640
[  324.058238]  ? find_held_lock+0x36/0x1c0
[  324.062315]  ? handle_mm_fault+0x42a/0xc70
[  324.066555]  ? lock_downgrade+0x900/0x900
[  324.070717]  ? check_preemption_disabled+0x48/0x280
[  324.075743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.080676]  ? kasan_check_read+0x11/0x20
[  324.084845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.090127]  ? rcu_softirq_qs+0x20/0x20
[  324.094120]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.099230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.104795]  ? check_preemption_disabled+0x48/0x280
[  324.109845]  handle_mm_fault+0x54f/0xc70
[  324.113921]  ? __handle_mm_fault+0x5be0/0x5be0
[  324.118517]  ? find_vma+0x34/0x190
[  324.122080]  __do_page_fault+0x5e8/0xe60
[  324.126178]  ? trace_hardirqs_off+0xb8/0x310
[  324.130611]  do_page_fault+0xf2/0x7e0
[  324.134424]  ? vmalloc_sync_all+0x30/0x30
[  324.138581]  ? error_entry+0x70/0xd0
[  324.142336]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.147405]  ? trace_hardirqs_on_caller+0xc0/0x310
[  324.152341]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.157291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.162147]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.167171]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.172645]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  324.177671]  ? prepare_exit_to_usermode+0x291/0x3b0
[  324.182701]  ? page_fault+0x8/0x30
[  324.186250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.191102]  ? page_fault+0x8/0x30
[  324.194648]  page_fault+0x1e/0x30
[  324.198113] RIP: 0033:0x7fafaecd0dd3
[  324.201840] Code: Bad RIP value.
[  324.205203] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  324.210595] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  324.217868] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  324.225173] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  324.232465] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  324.239754] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  324.247073] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  324.247079] warn_alloc_show_mem: 1 callbacks suppressed
[  324.247086] Mem-Info:
[  324.254108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.259503] active_anon:50685 inactive_anon:189 isolated_anon:0
[  324.259503]  active_file:14 inactive_file:14 isolated_file:0
[  324.259503]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.259503]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  324.259503]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  324.259503]  free:13759 free_pcp:552 free_cma:0
[  324.261873] Call Trace:
[  324.271270] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.304149]  <IRQ>
[  324.306725] 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
[  324.334156]  dump_stack+0x244/0x39d
[  324.336281] lowmem_reserve[]: 0 2818 6321 6321
[  324.362447]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.366059] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  324.370676]  warn_alloc.cold.116+0xb7/0x1bd
[  324.375836] lowmem_reserve[]: 0 0 3503 3503
[  324.403444]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.407741] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  324.412064]  ? lock_downgrade+0x900/0x900
[  324.416875] lowmem_reserve[]: 0 0 0 0
[  324.445956]  ? trace_hardirqs_off+0xb8/0x310
[  324.450084] 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
[  324.453887]  ? trace_hardirqs_off+0xb8/0x310
[  324.458273] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  324.471822]  __alloc_pages_slowpath+0x26e8/0x2e10
[  324.476205] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  324.491614]  ? warn_alloc+0x120/0x120
[  324.496419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  324.511535]  ? print_usage_bug+0xc0/0xc0
[  324.515326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  324.524172]  ? warn_alloc+0x120/0x120
[  324.528205] 272 total pagecache pages
[  324.536789]  ? warn_alloc+0x120/0x120
[  324.540569] 0 pages in swap cache
[  324.544366]  ? print_usage_bug+0xc0/0xc0
[  324.548151] Swap cache stats: add 0, delete 0, find 0/0
[  324.551604]  ? print_usage_bug+0xc0/0xc0
[  324.555639] Free swap  = 0kB
[  324.561171]  ? __lock_acquire+0x62f/0x4c20
[  324.565215] Total swap = 0kB
[  324.568239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.572449] 1965979 pages RAM
[  324.575468]  ? should_fail+0x22d/0xd01
[  324.580982] 0 pages HighMem/MovableOnly
[  324.584091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.587958] 342853 pages reserved
[  324.591940]  ? __lock_acquire+0x62f/0x4c20
[  324.597018] 0 pages cma reserved
[  324.600486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.604788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.608084]  ? __lock_acquire+0x62f/0x4c20
[  324.613304] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.619660]  ? should_fail+0x22d/0xd01
[  324.623874] init cpuset=/ mems_allowed=0
[  324.633594]  ? find_held_lock+0x36/0x1c0
[  324.645589]  ? mark_held_locks+0x130/0x130
[  324.649839]  ? mark_held_locks+0x130/0x130
[  324.654088]  ? zap_class+0x640/0x640
[  324.657817]  ? zap_class+0x640/0x640
[  324.661544]  ? print_usage_bug+0xc0/0xc0
[  324.665615]  ? do_raw_spin_unlock+0xa7/0x330
[  324.670050]  ? zap_class+0x640/0x640
[  324.673775]  ? print_usage_bug+0xc0/0xc0
[  324.677852]  ? wq_watchdog_touch+0x9c/0xfe
[  324.682101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.687650]  ? check_preemption_disabled+0x48/0x280
[  324.693157]  ? __lock_is_held+0xb5/0x140
[  324.697233]  __alloc_pages_nodemask+0xa80/0xde0
[  324.701915]  ? zap_class+0x640/0x640
[  324.705644]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  324.710682]  ? find_held_lock+0x36/0x1c0
[  324.714763]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.719443]  ? lock_downgrade+0x900/0x900
[  324.723626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.729179]  cache_grow_begin+0xa5/0x8c0
[  324.733253]  ? do_raw_spin_unlock+0xa7/0x330
[  324.737677]  fallback_alloc+0x204/0x2e0
[  324.741666]  ____cache_alloc_node+0x1c7/0x1e0
[  324.746176]  kmem_cache_alloc_node+0xe3/0x730
[  324.750681]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.754936]  __alloc_skb+0x119/0x770
[  324.758660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.763947]  ? netdev_alloc_frag+0x1f0/0x1f0
[  324.768370]  ? lock_downgrade+0x900/0x900
[  324.772529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.778094]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.783554]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.789010]  ? addrconf_rs_timer+0x690/0x690
[  324.793454]  ndisc_alloc_skb+0x144/0x340
[  324.797533]  ndisc_send_rs+0x331/0x6e0
[  324.801438]  addrconf_rs_timer+0x314/0x690
[  324.805686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.809936]  call_timer_fn+0x272/0x920
[  324.813830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.818088]  ? process_timeout+0x40/0x40
[  324.822165]  ? mark_held_locks+0xc7/0x130
[  324.826322]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.830823]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.835322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.839562]  ? lockdep_hardirqs_on+0x296/0x5b0
[  324.844156]  ? trace_hardirqs_on+0xbd/0x310
[  324.848480]  ? kasan_check_read+0x11/0x20
[  324.852633]  ? __run_timers+0x7da/0xc70
[  324.856614]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.861733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.865981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.870223]  __run_timers+0x7e5/0xc70
[  324.874056]  ? timer_fixup_init+0x70/0x70
[  324.878214]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  324.883238]  ? zap_class+0x640/0x640
[  324.886964]  ? print_usage_bug+0xc0/0xc0
[  324.891054]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  324.896267]  ? find_held_lock+0x36/0x1c0
[  324.900341]  ? zap_class+0x640/0x640
[  324.904080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.909629]  ? check_preemption_disabled+0x48/0x280
[  324.914662]  ? __lock_is_held+0xb5/0x140
[  324.918732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.924281]  ? check_preemption_disabled+0x48/0x280
[  324.929310]  run_timer_softirq+0x52/0xb0
[  324.933379]  ? rcu_read_lock_sched_held+0x14f/0x180
[  324.938403]  __do_softirq+0x308/0xb7e
[  324.942214]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  324.946718]  ? lock_downgrade+0x900/0x900
[  324.950881]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  324.955999]  ? pvclock_read_flags+0x160/0x160
[  324.960786]  ? lapic_next_event+0x5a/0x90
[  324.964953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.970501]  ? kvm_clock_read+0x18/0x30
[  324.974487]  ? kvm_sched_clock_read+0x9/0x20
[  324.978903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.984453]  ? check_preemption_disabled+0x48/0x280
[  324.989486]  irq_exit+0x17f/0x1c0
[  324.992951]  smp_apic_timer_interrupt+0x1cb/0x760
[  324.997810]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.003700]  ? interrupt_entry+0xb5/0xc0
[  325.007770]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.012804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.017833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.022683]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.027703]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.032725]  ? task_prio+0x50/0x50
[  325.036276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.041827]  ? check_preemption_disabled+0x48/0x280
[  325.046861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.051722]  apic_timer_interrupt+0xf/0x20
[  325.055960]  </IRQ>
[  325.058211] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  325.063333] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  325.082238] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  325.089954] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  325.097232] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  325.104504] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  325.111775] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  325.119067] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  325.126371]  shrink_active_list+0x14eb/0x1f00
[  325.130893]  ? shrink_inactive_list+0x1c60/0x1c60
[  325.135747]  ? trace_hardirqs_on+0xbd/0x310
[  325.140086]  ? shrink_inactive_list+0xa4a/0x1c60
[  325.144859]  ? mark_held_locks+0x130/0x130
[  325.149104]  ? __lock_acquire+0x62f/0x4c20
[  325.153350]  ? print_usage_bug+0xc0/0xc0
[  325.157428]  ? mark_held_locks+0x130/0x130
[  325.161673]  ? mark_held_locks+0x130/0x130
[  325.165918]  ? print_usage_bug+0xc0/0xc0
[  325.169994]  ? __lock_acquire+0x62f/0x4c20
[  325.174254]  ? zap_class+0x640/0x640
[  325.177978]  ? zap_class+0x640/0x640
[  325.181711]  ? mark_held_locks+0x130/0x130
[  325.185958]  ? zap_class+0x640/0x640
[  325.189683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.195230]  ? check_preemption_disabled+0x48/0x280
[  325.200266]  ? __lock_is_held+0xb5/0x140
[  325.204347]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  325.209370]  ? inactive_list_is_low+0x305/0x880
[  325.214065]  ? lruvec_lru_size+0x450/0x450
[  325.218308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.223851]  ? lruvec_lru_size+0x2ab/0x450
[  325.228098]  ? percpu_ref_put_many+0x13e/0x260
[  325.232696]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  325.237638]  ? find_held_lock+0x36/0x1c0
[  325.241711]  shrink_node_memcg+0x803/0x18f0
[  325.246071]  ? shrink_active_list+0x1f00/0x1f00
[  325.250768]  ? lock_downgrade+0x900/0x900
[  325.254932]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.260067]  ? cgroup_procs_write_finish+0xf0/0xf0
[  325.265014]  ? _raw_spin_unlock+0x2c/0x50
[  325.269198]  shrink_node+0x3bc/0x16b0
[  325.273010]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  325.278339]  ? shrink_node_memcg+0x18f0/0x18f0
[  325.282931]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.287526]  ? trace_hardirqs_on+0xbd/0x310
[  325.291858]  ? vmpressure+0x271/0x340
[  325.295668]  ? do_raw_spin_unlock+0xa7/0x330
[  325.300088]  ? do_raw_spin_trylock+0x270/0x270
[  325.304685]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  325.310232]  ? __cpuset_node_allowed+0x19b/0x660
[  325.314996]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  325.320757]  ? vmpressure+0x1a2/0x340
[  325.324572]  do_try_to_free_pages+0x3e7/0x1290
[  325.329157]  ? zap_class+0x640/0x640
[  325.332897]  ? shrink_node+0x16b0/0x16b0
[  325.336971]  ? __lock_is_held+0xb5/0x140
[  325.341074]  try_to_free_pages+0x4d0/0xb90
[  325.345323]  ? do_try_to_free_pages+0x1290/0x1290
[  325.350186]  ? lock_acquire+0x1ed/0x520
[  325.354170]  ? set_page_refcounted+0x280/0x280
[  325.358767]  ? lock_release+0xa00/0xa00
[  325.362751]  ? _raw_spin_unlock_irq+0x60/0x80
[  325.367253]  ? psi_memstall_enter+0x240/0x2b0
[  325.371762]  ? psi_memstall_tick+0x230/0x230
[  325.376207]  __alloc_pages_slowpath+0xa14/0x2e10
[  325.381000]  ? warn_alloc+0x120/0x120
[  325.384830]  ? mark_held_locks+0x130/0x130
[  325.389084]  ? find_get_entry+0xaae/0x1120
[  325.393340]  ? filemap_map_pages+0x1a20/0x1a20
[  325.397933]  ? zap_class+0x640/0x640
[  325.401662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.407212]  ? check_preemption_disabled+0x48/0x280
[  325.412238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.417781]  ? should_fail+0x22d/0xd01
[  325.421684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.426800]  ? zap_class+0x640/0x640
[  325.430546]  ? __lock_is_held+0xb5/0x140
[  325.434626]  ? mark_held_locks+0x130/0x130
[  325.438874]  ? lock_release+0xa00/0xa00
[  325.442853]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.448317]  ? xa_load+0x2ba/0x460
[  325.451866]  ? lock_downgrade+0x900/0x900
[  325.456042]  ? __might_sleep+0x95/0x190
[  325.460049]  __alloc_pages_nodemask+0xa80/0xde0
[  325.464734]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  325.469758]  ? __page_cache_alloc+0x191/0x5c0
[  325.474258]  ? xa_load+0x2e1/0x460
[  325.477812]  ? xa_clear_mark+0x40/0x40
[  325.481708]  ? zap_class+0x640/0x640
[  325.485438]  ? zap_class+0x640/0x640
[  325.489164]  ? zap_class+0x640/0x640
[  325.492883]  ? __do_page_cache_readahead+0x663/0x810
[  325.497997]  ? find_held_lock+0x36/0x1c0
[  325.502087]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  325.507641]  alloc_pages_current+0x173/0x350
[  325.512080]  __page_cache_alloc+0x38c/0x5c0
[  325.516409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.521348]  ? kasan_check_read+0x11/0x20
[  325.525503]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.530793]  ? generic_perform_write+0x6a0/0x6a0
[  325.535564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.541116]  ? check_preemption_disabled+0x48/0x280
[  325.546151]  filemap_fault+0x1595/0x25f0
[  325.550237]  ? __lock_page_or_retry+0xa00/0xa00
[  325.554922]  ? mark_held_locks+0x130/0x130
[  325.559176]  ? filemap_map_pages+0xd6b/0x1a20
[  325.563712]  ? lock_downgrade+0x900/0x900
[  325.567866]  ? check_preemption_disabled+0x48/0x280
[  325.572896]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.577834]  ? kasan_check_read+0x11/0x20
[  325.581987]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.587272]  ? rcu_softirq_qs+0x20/0x20
[  325.591268]  ? filemap_map_pages+0xd92/0x1a20
[  325.595772]  ? print_usage_bug+0xc0/0xc0
[  325.599849]  ? find_get_entries_tag+0x1400/0x1400
[  325.604706]  ? __kasan_slab_free+0x102/0x150
[  325.609126]  ? kasan_slab_free+0xe/0x10
[  325.613111]  ? kmem_cache_free+0x83/0x290
[  325.617265]  ? __sigqueue_free.part.29+0x74/0x90
[  325.622064]  ? lock_acquire+0x1ed/0x520
[  325.626060]  ? ext4_filemap_fault+0x7a/0xad
[  325.630398]  ? lock_release+0xa00/0xa00
[  325.634381]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.639842]  ? print_usage_bug+0xc0/0xc0
[  325.643909]  ? print_usage_bug+0xc0/0xc0
[  325.647991]  ? down_read+0x8d/0x120
[  325.651636]  ? ext4_filemap_fault+0x7a/0xad
[  325.655963]  ? __down_interruptible+0x700/0x700
[  325.660646]  ext4_filemap_fault+0x82/0xad
[  325.664806]  __do_fault+0x100/0x6b0
[  325.668443]  ? pmd_devmap_trans_unstable+0x220/0x220
[  325.673555]  ? mark_held_locks+0x130/0x130
[  325.677801]  ? mark_held_locks+0x130/0x130
[  325.682060]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  325.687624]  ? rcu_pm_notify+0xc0/0xc0
[  325.691527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.697086]  __handle_mm_fault+0x3ea0/0x5be0
[  325.701513]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  325.706365]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.710869]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.715462]  ? trace_hardirqs_on+0xbd/0x310
[  325.719793]  ? kasan_check_read+0x11/0x20
[  325.723951]  ? __set_current_blocked+0xdf/0x120
[  325.728639]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.733760]  ? zap_class+0x640/0x640
[  325.737477]  ? zap_class+0x640/0x640
[  325.741208]  ? find_held_lock+0x36/0x1c0
[  325.745283]  ? handle_mm_fault+0x42a/0xc70
[  325.749547]  ? lock_downgrade+0x900/0x900
[  325.753748]  ? check_preemption_disabled+0x48/0x280
[  325.758774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.763715]  ? kasan_check_read+0x11/0x20
[  325.767870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.773155]  ? rcu_softirq_qs+0x20/0x20
[  325.777137]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.782254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.787804]  ? check_preemption_disabled+0x48/0x280
[  325.792839]  handle_mm_fault+0x54f/0xc70
[  325.796909]  ? __handle_mm_fault+0x5be0/0x5be0
[  325.801502]  ? find_vma+0x34/0x190
[  325.805073]  __do_page_fault+0x5e8/0xe60
[  325.809146]  ? exit_to_usermode_loop+0x1f4/0x380
[  325.813920]  do_page_fault+0xf2/0x7e0
[  325.817730]  ? vmalloc_sync_all+0x30/0x30
[  325.821885]  ? error_entry+0x70/0xd0
[  325.825609]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.830630]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.835564]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.840514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.845381]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.850403]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.855862]  ? prepare_exit_to_usermode+0x291/0x3b0
[  325.860884]  ? page_fault+0x8/0x30
[  325.864434]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.869287]  ? page_fault+0x8/0x30
[  325.872836]  page_fault+0x1e/0x30
[  325.876294] RIP: 0033:0x45db60
[  325.879513] Code: Bad RIP value.
[  325.882884] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  325.888251] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  325.895530] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  325.902809] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  325.910092] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  325.917367] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  325.924669] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  325.924753] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.930914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.930923] Call Trace:
[  325.937505] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.946762]  <IRQ>
[  325.949338] syz-fuzzer cpuset=/ mems_allowed=0
[  325.959576]  dump_stack+0x244/0x39d
[  325.969914]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.975124]  warn_alloc.cold.116+0xb7/0x1bd
[  325.979459]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.984316]  ? lock_downgrade+0x900/0x900
[  325.988480]  ? trace_hardirqs_off+0xb8/0x310
[  325.992902]  ? trace_hardirqs_off+0xb8/0x310
[  325.997347]  __alloc_pages_slowpath+0x26e8/0x2e10
[  326.002229]  ? warn_alloc+0x120/0x120
[  326.006054]  ? print_usage_bug+0xc0/0xc0
[  326.010128]  ? warn_alloc+0x120/0x120
[  326.013941]  ? warn_alloc+0x120/0x120
[  326.017753]  ? print_usage_bug+0xc0/0xc0
[  326.021824]  ? kvm_clock_read+0x18/0x30
[  326.025809]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  326.030831]  ? print_usage_bug+0xc0/0xc0
[  326.034899]  ? __lock_acquire+0x62f/0x4c20
[  326.039149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.044693]  ? should_fail+0x22d/0xd01
[  326.048586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.053873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.058990]  ? __lock_acquire+0x62f/0x4c20
[  326.063252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.068364]  ? __lock_acquire+0x62f/0x4c20
[  326.072603]  ? should_fail+0x22d/0xd01
[  326.076494]  ? rcu_irq_exit+0x1a2/0x390
[  326.080488]  ? mark_held_locks+0x130/0x130
[  326.084734]  ? mark_held_locks+0x130/0x130
[  326.088979]  ? mark_held_locks+0xc7/0x130
[  326.093133]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  326.098155]  ? zap_class+0x640/0x640
[  326.101876]  ? print_usage_bug+0xc0/0xc0
[  326.105951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.111494]  ? check_preemption_disabled+0x48/0x280
[  326.116528]  ? __lock_is_held+0xb5/0x140
[  326.120600]  __alloc_pages_nodemask+0xa80/0xde0
[  326.125275]  ? zap_class+0x640/0x640
[  326.129011]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  326.134084]  ? find_held_lock+0x36/0x1c0
[  326.138164]  ? ____cache_alloc_node+0x1c7/0x1e0
[  326.142843]  ? lock_downgrade+0x900/0x900
[  326.147005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.152574]  cache_grow_begin+0xa5/0x8c0
[  326.156646]  ? do_raw_spin_unlock+0xa7/0x330
[  326.161083]  fallback_alloc+0x204/0x2e0
[  326.165079]  ____cache_alloc_node+0x1c7/0x1e0
[  326.169591]  kmem_cache_alloc_node+0xe3/0x730
[  326.174096]  ? ipv6_get_ifaddr+0x42e/0x620
[  326.178352]  __alloc_skb+0x119/0x770
[  326.182072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.187361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  326.191781]  ? lock_downgrade+0x900/0x900
[  326.195943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.201489]  ? refcount_sub_and_test_checked+0x203/0x310
[  326.206952]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  326.212414]  ? addrconf_rs_timer+0x690/0x690
[  326.216840]  ndisc_alloc_skb+0x144/0x340
[  326.220914]  ndisc_send_rs+0x331/0x6e0
[  326.224819]  addrconf_rs_timer+0x314/0x690
[  326.229082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.233339]  call_timer_fn+0x272/0x920
[  326.237236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.241482]  ? process_timeout+0x40/0x40
[  326.245563]  ? mark_held_locks+0xc7/0x130
[  326.249718]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.254217]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.258733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.262975]  ? lockdep_hardirqs_on+0x296/0x5b0
[  326.267566]  ? trace_hardirqs_on+0xbd/0x310
[  326.271923]  ? kasan_check_read+0x11/0x20
[  326.276080]  ? __run_timers+0x7da/0xc70
[  326.280077]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.285195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.289445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.293687]  __run_timers+0x7e5/0xc70
[  326.297504]  ? timer_fixup_init+0x70/0x70
[  326.301662]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  326.306712]  ? zap_class+0x640/0x640
[  326.310439]  ? print_usage_bug+0xc0/0xc0
[  326.314509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  326.319716]  ? find_held_lock+0x36/0x1c0
[  326.323790]  ? zap_class+0x640/0x640
[  326.327516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.333076]  ? check_preemption_disabled+0x48/0x280
[  326.338110]  ? __lock_is_held+0xb5/0x140
[  326.342179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.347728]  ? check_preemption_disabled+0x48/0x280
[  326.352760]  run_timer_softirq+0x52/0xb0
[  326.356832]  ? rcu_read_lock_sched_held+0x14f/0x180
[  326.361857]  __do_softirq+0x308/0xb7e
[  326.365671]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  326.370176]  ? lock_downgrade+0x900/0x900
[  326.374337]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  326.379460]  ? pvclock_read_flags+0x160/0x160
[  326.383968]  ? lapic_next_event+0x5a/0x90
[  326.388131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.393684]  ? kvm_clock_read+0x18/0x30
[  326.397667]  ? kvm_sched_clock_read+0x9/0x20
[  326.402085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.407631]  ? check_preemption_disabled+0x48/0x280
[  326.412668]  irq_exit+0x17f/0x1c0
[  326.416134]  smp_apic_timer_interrupt+0x1cb/0x760
[  326.420985]  ? smp_reschedule_interrupt+0x109/0x650
[  326.426014]  ? smp_call_function_single_interrupt+0x650/0x650
[  326.431920]  ? interrupt_entry+0xb5/0xc0
[  326.435996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.441054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.446081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.450935]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.455957]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.460981]  ? task_prio+0x50/0x50
[  326.464535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.470081]  ? check_preemption_disabled+0x48/0x280
[  326.475113]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.479970]  apic_timer_interrupt+0xf/0x20
[  326.484204]  </IRQ>
[  326.486451] RIP: 0010:dump_stack+0x358/0x39d
[  326.490870] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  326.509776] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  326.517491] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  326.524763] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  326.532050] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  326.539325] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  326.546596] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  326.553889]  ? dump_stack+0x34f/0x39d
[  326.557998]  ? dump_stack_print_info.cold.1+0x20/0x20
[  326.563224]  ? mark_held_locks+0x130/0x130
[  326.567471]  ? mark_held_locks+0x130/0x130
[  326.571721]  dump_header+0x27b/0xf72
[  326.575460]  ? pagefault_out_of_memory+0x197/0x197
[  326.580402]  ? __lock_acquire+0x62f/0x4c20
[  326.584657]  ? percpu_ref_get_many+0x240/0x240
[  326.589253]  ? print_usage_bug+0xc0/0xc0
[  326.593332]  ? zap_class+0x640/0x640
[  326.597072]  ? print_usage_bug+0xc0/0xc0
[  326.601142]  ? print_usage_bug+0xc0/0xc0
[  326.605215]  ? zap_class+0x640/0x640
[  326.608940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.614494]  ? find_held_lock+0x36/0x1c0
[  326.618571]  ? mark_held_locks+0xc7/0x130
[  326.622729]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.627839]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.632950]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.637540]  ? trace_hardirqs_on+0xbd/0x310
[  326.641872]  ? kasan_check_read+0x11/0x20
[  326.646044]  ? ___ratelimit+0x3b4/0x672
[  326.650050]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.655166]  ? trace_hardirqs_on+0x310/0x310
[  326.659583]  ? lock_downgrade+0x900/0x900
[  326.663747]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.668859]  ? ___ratelimit+0x3b9/0x672
[  326.672841]  ? idr_get_free+0xf70/0xf70
[  326.676820]  ? find_held_lock+0x36/0x1c0
[  326.680903]  oom_kill_process.cold.27+0x10/0x903
[  326.685666]  ? zap_class+0x640/0x640
[  326.689553]  ? check_preemption_disabled+0x48/0x280
[  326.694586]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.699525]  ? kasan_check_read+0x11/0x20
[  326.703680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.708964]  ? oom_evaluate_task+0x540/0x540
[  326.713386]  ? find_held_lock+0x36/0x1c0
[  326.717462]  ? out_of_memory+0x974/0x1430
[  326.721620]  ? lock_downgrade+0x900/0x900
[  326.725782]  ? check_preemption_disabled+0x48/0x280
[  326.730813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.735760]  ? kasan_check_read+0x11/0x20
[  326.739921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.745213]  ? rcu_softirq_qs+0x20/0x20
[  326.749205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.754753]  ? oom_evaluate_task+0x302/0x540
[  326.759180]  out_of_memory+0xa84/0x1430
[  326.763175]  ? oom_killer_disable+0x3a0/0x3a0
[  326.767683]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  326.772629]  ? __ww_mutex_check_waiters+0x160/0x160
[  326.777670]  __alloc_pages_slowpath+0x2354/0x2e10
[  326.782561]  ? warn_alloc+0x120/0x120
[  326.786372]  ? mark_held_locks+0x130/0x130
[  326.790623]  ? find_get_entry+0xaae/0x1120
[  326.794885]  ? filemap_map_pages+0x1a20/0x1a20
[  326.799486]  ? zap_class+0x640/0x640
[  326.803216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.808766]  ? check_preemption_disabled+0x48/0x280
[  326.813797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.819358]  ? should_fail+0x22d/0xd01
[  326.823265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.828390]  ? zap_class+0x640/0x640
[  326.832144]  ? __lock_is_held+0xb5/0x140
[  326.836227]  ? mark_held_locks+0x130/0x130
[  326.840479]  ? lock_release+0xa00/0xa00
[  326.844469]  ? perf_trace_sched_process_exec+0x860/0x860
[  326.849933]  ? xa_load+0x2ba/0x460
[  326.853488]  ? lock_downgrade+0x900/0x900
[  326.857704]  ? __might_sleep+0x95/0x190
[  326.861710]  __alloc_pages_nodemask+0xa80/0xde0
[  326.866400]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  326.871429]  ? __page_cache_alloc+0x191/0x5c0
[  326.875939]  ? xa_load+0x2e1/0x460
[  326.879489]  ? xa_clear_mark+0x40/0x40
[  326.883394]  ? zap_class+0x640/0x640
[  326.887127]  ? zap_class+0x640/0x640
[  326.890849]  ? zap_class+0x640/0x640
[  326.894575]  ? __do_page_cache_readahead+0x663/0x810
[  326.899697]  ? find_held_lock+0x36/0x1c0
[  326.903780]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  326.909347]  alloc_pages_current+0x173/0x350
[  326.913774]  __page_cache_alloc+0x38c/0x5c0
[  326.918106]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.923068]  ? kasan_check_read+0x11/0x20
[  326.927232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.932530]  ? generic_perform_write+0x6a0/0x6a0
[  326.937312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.942869]  ? check_preemption_disabled+0x48/0x280
[  326.947910]  filemap_fault+0x1595/0x25f0
[  326.951998]  ? __lock_page_or_retry+0xa00/0xa00
[  326.956702]  ? mark_held_locks+0x130/0x130
[  326.961312]  ? filemap_map_pages+0xd6b/0x1a20
[  326.965825]  ? lock_downgrade+0x900/0x900
[  326.969989]  ? check_preemption_disabled+0x48/0x280
[  326.975055]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.979999]  ? kasan_check_read+0x11/0x20
[  326.984176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.989471]  ? rcu_softirq_qs+0x20/0x20
[  326.993473]  ? filemap_map_pages+0xd92/0x1a20
[  326.997987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.003597]  ? find_get_entries_tag+0x1400/0x1400
[  327.008463]  ? __lock_acquire+0x62f/0x4c20
[  327.012726]  ? lock_acquire+0x1ed/0x520
[  327.016713]  ? ext4_filemap_fault+0x7a/0xad
[  327.021071]  ? lock_release+0xa00/0xa00
[  327.025076]  ? perf_trace_sched_process_exec+0x860/0x860
[  327.030546]  ? print_usage_bug+0xc0/0xc0
[  327.034666]  ? print_usage_bug+0xc0/0xc0
[  327.038752]  ? down_read+0x8d/0x120
[  327.042392]  ? ext4_filemap_fault+0x7a/0xad
[  327.046727]  ? __down_interruptible+0x700/0x700
[  327.051422]  ext4_filemap_fault+0x82/0xad
[  327.055584]  __do_fault+0x100/0x6b0
[  327.059230]  ? pmd_devmap_trans_unstable+0x220/0x220
[  327.064349]  ? mark_held_locks+0x130/0x130
[  327.068599]  ? mark_held_locks+0x130/0x130
[  327.072844]  ? find_held_lock+0x36/0x1c0
[  327.076922]  ? find_held_lock+0x36/0x1c0
[  327.080998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.086574]  __handle_mm_fault+0x3ea0/0x5be0
[  327.090996]  ? poll_select_copy_remaining+0x18c/0x6a0
[  327.096230]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  327.101094]  ? __might_fault+0x12b/0x1e0
[  327.105170]  ? lock_downgrade+0x900/0x900
[  327.109344]  ? zap_class+0x640/0x640
[  327.113078]  ? zap_class+0x640/0x640
[  327.116857]  ? find_held_lock+0x36/0x1c0
[  327.120942]  ? handle_mm_fault+0x42a/0xc70
[  327.125194]  ? lock_downgrade+0x900/0x900
[  327.129360]  ? check_preemption_disabled+0x48/0x280
[  327.134395]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.139338]  ? kasan_check_read+0x11/0x20
[  327.143497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.148787]  ? rcu_softirq_qs+0x20/0x20
[  327.152774]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.157896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.163453]  ? check_preemption_disabled+0x48/0x280
[  327.168501]  handle_mm_fault+0x54f/0xc70
[  327.172583]  ? __handle_mm_fault+0x5be0/0x5be0
[  327.177189]  ? find_vma+0x34/0x190
[  327.180749]  __do_page_fault+0x5e8/0xe60
[  327.184827]  ? trace_hardirqs_off+0xb8/0x310
[  327.189262]  do_page_fault+0xf2/0x7e0
[  327.193088]  ? vmalloc_sync_all+0x30/0x30
[  327.197250]  ? error_entry+0x70/0xd0
[  327.200978]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.206012]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.210975]  ? syscall_return_slowpath+0x5e0/0x5e0
[  327.215917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.220775]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.225806]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.231276]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  327.236321]  ? prepare_exit_to_usermode+0x291/0x3b0
[  327.241352]  ? page_fault+0x8/0x30
[  327.244912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.249769]  ? page_fault+0x8/0x30
[  327.253331]  page_fault+0x1e/0x30
[  327.256796] RIP: 0033:0x7fafaecd0dd3
[  327.260536] Code: Bad RIP value.
[  327.263908] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  327.269278] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  327.276567] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  327.283847] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  327.291130] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  327.298416] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  327.305732] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  327.305738] warn_alloc_show_mem: 1 callbacks suppressed
[  327.305746] Mem-Info:
[  327.312778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  327.312788] Call Trace:
[  327.318176] active_anon:50685 inactive_anon:189 isolated_anon:0
[  327.318176]  active_file:14 inactive_file:14 isolated_file:0
[  327.318176]  unevictable:0 dirty:0 writeback:0 unstable:0
[  327.318176]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  327.318176]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  327.318176]  free:13759 free_pcp:552 free_cma:0
[  327.320557]  <IRQ>
[  327.329932] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  327.332534]  dump_stack+0x244/0x39d
[  327.365454] 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
[  327.367628]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.395089] lowmem_reserve[]: 0 2818 6321 6321
[  327.398751]  warn_alloc.cold.116+0xb7/0x1bd
[  327.424845] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  327.430074]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  327.434628] lowmem_reserve[]: 0 0 3503 3503
[  327.438957]  ? lock_downgrade+0x900/0x900
[  327.466588] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  327.471456]  ? trace_hardirqs_off+0xb8/0x310
[  327.475747] lowmem_reserve[]: 0 0 0 0
[  327.479906]  ? trace_hardirqs_off+0xb8/0x310
[  327.508966] 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
[  327.513399]  __alloc_pages_slowpath+0x26e8/0x2e10
[  327.517213] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  327.521647]  ? warn_alloc+0x120/0x120
[  327.535145] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  327.540006]  ? print_usage_bug+0xc0/0xc0
[  327.555386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  327.559198]  ? warn_alloc+0x120/0x120
[  327.574278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  327.578352]  ? warn_alloc+0x120/0x120
[  327.587163] 272 total pagecache pages
[  327.590979]  ? print_usage_bug+0xc0/0xc0
[  327.599539] 0 pages in swap cache
[  327.603348]  ? kvm_clock_read+0x18/0x30
[  327.607134] Swap cache stats: add 0, delete 0, find 0/0
[  327.611200]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  327.614633] Free swap  = 0kB
[  327.618611]  ? print_usage_bug+0xc0/0xc0
[  327.623953] Total swap = 0kB
[  327.628978]  ? __lock_acquire+0x62f/0x4c20
[  327.631973] 1965979 pages RAM
[  327.636058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.639063] 0 pages HighMem/MovableOnly
[  327.643304]  ? should_fail+0x22d/0xd01
[  327.646393] 342853 pages reserved
[  327.651930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.651951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.655906] 0 pages cma reserved
[  327.659810]  ? __lock_acquire+0x62f/0x4c20
[  327.663315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.668517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.673747] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.676975]  ? __lock_acquire+0x62f/0x4c20
[  327.681191] init cpuset=/ mems_allowed=0
[  327.687693]  ? should_fail+0x22d/0xd01
[  327.714686]  ? rcu_irq_exit+0x1a2/0x390
[  327.718685]  ? mark_held_locks+0x130/0x130
[  327.722931]  ? mark_held_locks+0x130/0x130
[  327.727182]  ? mark_held_locks+0xc7/0x130
[  327.731407]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  327.736434]  ? zap_class+0x640/0x640
[  327.740158]  ? print_usage_bug+0xc0/0xc0
[  327.744238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.749791]  ? check_preemption_disabled+0x48/0x280
[  327.754840]  ? __lock_is_held+0xb5/0x140
[  327.758922]  __alloc_pages_nodemask+0xa80/0xde0
[  327.763602]  ? zap_class+0x640/0x640
[  327.767333]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  327.772378]  ? find_held_lock+0x36/0x1c0
[  327.776459]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.781162]  ? lock_downgrade+0x900/0x900
[  327.785333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.790892]  cache_grow_begin+0xa5/0x8c0
[  327.794965]  ? do_raw_spin_unlock+0xa7/0x330
[  327.799391]  fallback_alloc+0x204/0x2e0
[  327.803385]  ____cache_alloc_node+0x1c7/0x1e0
[  327.807895]  kmem_cache_alloc_node+0xe3/0x730
[  327.812407]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.816661]  __alloc_skb+0x119/0x770
[  327.820385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.825679]  ? netdev_alloc_frag+0x1f0/0x1f0
[  327.830101]  ? lock_downgrade+0x900/0x900
[  327.834268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.839822]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.845287]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.850757]  ? addrconf_rs_timer+0x690/0x690
[  327.855194]  ndisc_alloc_skb+0x144/0x340
[  327.859272]  ndisc_send_rs+0x331/0x6e0
[  327.863177]  addrconf_rs_timer+0x314/0x690
[  327.867426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.871681]  call_timer_fn+0x272/0x920
[  327.875583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.879834]  ? process_timeout+0x40/0x40
[  327.883913]  ? mark_held_locks+0xc7/0x130
[  327.888078]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.892586]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.897090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.901339]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.905936]  ? trace_hardirqs_on+0xbd/0x310
[  327.910268]  ? kasan_check_read+0x11/0x20
[  327.914424]  ? __run_timers+0x7da/0xc70
[  327.918408]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.923526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.927780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.932045]  __run_timers+0x7e5/0xc70
[  327.935870]  ? timer_fixup_init+0x70/0x70
[  327.940051]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  327.945095]  ? zap_class+0x640/0x640
[  327.948831]  ? print_usage_bug+0xc0/0xc0
[  327.952908]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  327.958117]  ? find_held_lock+0x36/0x1c0
[  327.962193]  ? zap_class+0x640/0x640
[  327.965928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.971479]  ? check_preemption_disabled+0x48/0x280
[  327.976519]  ? __lock_is_held+0xb5/0x140
[  327.980594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.986145]  ? check_preemption_disabled+0x48/0x280
[  327.991179]  run_timer_softirq+0x52/0xb0
[  327.995255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  328.000288]  __do_softirq+0x308/0xb7e
[  328.004104]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  328.008608]  ? lock_downgrade+0x900/0x900
[  328.012772]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  328.017899]  ? pvclock_read_flags+0x160/0x160
[  328.022407]  ? lapic_next_event+0x5a/0x90
[  328.026570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.032132]  ? kvm_clock_read+0x18/0x30
[  328.036119]  ? kvm_sched_clock_read+0x9/0x20
[  328.040543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.046097]  ? check_preemption_disabled+0x48/0x280
[  328.051134]  irq_exit+0x17f/0x1c0
[  328.054601]  smp_apic_timer_interrupt+0x1cb/0x760
[  328.059459]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.065358]  ? interrupt_entry+0xb5/0xc0
[  328.069432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.074461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.079492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.084346]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.089377]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.094405]  ? task_prio+0x50/0x50
[  328.097962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.103517]  ? check_preemption_disabled+0x48/0x280
[  328.108557]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.113425]  apic_timer_interrupt+0xf/0x20
[  328.117663]  </IRQ>
[  328.119911] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  328.125047] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  328.143975] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  328.151713] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  328.158992] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  328.166287] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  328.173566] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  328.180845] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  328.188165]  shrink_active_list+0x14eb/0x1f00
[  328.192690]  ? shrink_inactive_list+0x1c60/0x1c60
[  328.197544]  ? trace_hardirqs_on+0xbd/0x310
[  328.201880]  ? shrink_inactive_list+0xa4a/0x1c60
[  328.206663]  ? mark_held_locks+0x130/0x130
[  328.210915]  ? __lock_acquire+0x62f/0x4c20
[  328.215164]  ? print_usage_bug+0xc0/0xc0
[  328.219243]  ? mark_held_locks+0x130/0x130
[  328.223492]  ? mark_held_locks+0x130/0x130
[  328.227745]  ? print_usage_bug+0xc0/0xc0
[  328.231825]  ? __lock_acquire+0x62f/0x4c20
[  328.236085]  ? zap_class+0x640/0x640
[  328.239812]  ? zap_class+0x640/0x640
[  328.243547]  ? mark_held_locks+0x130/0x130
[  328.247801]  ? zap_class+0x640/0x640
[  328.251533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.257098]  ? check_preemption_disabled+0x48/0x280
[  328.262139]  ? __lock_is_held+0xb5/0x140
[  328.266227]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.271258]  ? inactive_list_is_low+0x305/0x880
[  328.275944]  ? lruvec_lru_size+0x450/0x450
[  328.280197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.285747]  ? lruvec_lru_size+0x2ab/0x450
[  328.289994]  ? percpu_ref_put_many+0x13e/0x260
[  328.294611]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  328.299556]  ? find_held_lock+0x36/0x1c0
[  328.303639]  shrink_node_memcg+0x803/0x18f0
[  328.307991]  ? shrink_active_list+0x1f00/0x1f00
[  328.312697]  ? lock_downgrade+0x900/0x900
[  328.316860]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  328.322058]  ? cgroup_procs_write_finish+0xf0/0xf0
[  328.327008]  ? _raw_spin_unlock+0x2c/0x50
[  328.331191]  shrink_node+0x3bc/0x16b0
[  328.335007]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  328.340337]  ? shrink_node_memcg+0x18f0/0x18f0
[  328.344930]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.349530]  ? trace_hardirqs_on+0xbd/0x310
[  328.353868]  ? vmpressure+0x271/0x340
[  328.357686]  ? do_raw_spin_unlock+0xa7/0x330
[  328.362102]  ? do_raw_spin_trylock+0x270/0x270
[  328.366706]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  328.372262]  ? __cpuset_node_allowed+0x19b/0x660
[  328.377048]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  328.382775]  ? vmpressure+0x1a2/0x340
[  328.386598]  do_try_to_free_pages+0x3e7/0x1290
[  328.391189]  ? zap_class+0x640/0x640
[  328.394933]  ? shrink_node+0x16b0/0x16b0
[  328.399006]  ? __lock_is_held+0xb5/0x140
[  328.403113]  try_to_free_pages+0x4d0/0xb90
[  328.407363]  ? do_try_to_free_pages+0x1290/0x1290
[  328.412235]  ? lock_acquire+0x1ed/0x520
[  328.416219]  ? set_page_refcounted+0x280/0x280
[  328.420823]  ? lock_release+0xa00/0xa00
[  328.424814]  ? _raw_spin_unlock_irq+0x60/0x80
[  328.429324]  ? psi_memstall_enter+0x240/0x2b0
[  328.433835]  ? psi_memstall_tick+0x230/0x230
[  328.438267]  __alloc_pages_slowpath+0xa14/0x2e10
[  328.443084]  ? warn_alloc+0x120/0x120
[  328.446899]  ? mark_held_locks+0x130/0x130
[  328.451154]  ? find_get_entry+0xaae/0x1120
[  328.455411]  ? filemap_map_pages+0x1a20/0x1a20
[  328.460013]  ? zap_class+0x640/0x640
[  328.463762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.469318]  ? check_preemption_disabled+0x48/0x280
[  328.474353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.479906]  ? should_fail+0x22d/0xd01
[  328.483812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.488930]  ? zap_class+0x640/0x640
[  328.492679]  ? __lock_is_held+0xb5/0x140
[  328.496759]  ? mark_held_locks+0x130/0x130
[  328.501007]  ? lock_release+0xa00/0xa00
[  328.505012]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.510493]  ? xa_load+0x2ba/0x460
[  328.514064]  ? lock_downgrade+0x900/0x900
[  328.518233]  ? __might_sleep+0x95/0x190
[  328.522224]  __alloc_pages_nodemask+0xa80/0xde0
[  328.526913]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.531945]  ? __page_cache_alloc+0x191/0x5c0
[  328.536452]  ? xa_load+0x2e1/0x460
[  328.540003]  ? xa_clear_mark+0x40/0x40
[  328.543917]  ? zap_class+0x640/0x640
[  328.547647]  ? zap_class+0x640/0x640
[  328.551372]  ? zap_class+0x640/0x640
[  328.555102]  ? __do_page_cache_readahead+0x663/0x810
[  328.560603]  ? find_held_lock+0x36/0x1c0
[  328.564682]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  328.570238]  alloc_pages_current+0x173/0x350
[  328.574670]  __page_cache_alloc+0x38c/0x5c0
[  328.579002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.583962]  ? kasan_check_read+0x11/0x20
[  328.588120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.593410]  ? generic_perform_write+0x6a0/0x6a0
[  328.598181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.603735]  ? check_preemption_disabled+0x48/0x280
[  328.608777]  filemap_fault+0x1595/0x25f0
[  328.612870]  ? __lock_page_or_retry+0xa00/0xa00
[  328.617559]  ? mark_held_locks+0x130/0x130
[  328.621821]  ? filemap_map_pages+0xd6b/0x1a20
[  328.626329]  ? lock_downgrade+0x900/0x900
[  328.630489]  ? check_preemption_disabled+0x48/0x280
[  328.635525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.640470]  ? kasan_check_read+0x11/0x20
[  328.644625]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.649926]  ? rcu_softirq_qs+0x20/0x20
[  328.653922]  ? filemap_map_pages+0xd92/0x1a20
[  328.658436]  ? print_usage_bug+0xc0/0xc0
[  328.662516]  ? find_get_entries_tag+0x1400/0x1400
[  328.667363]  ? __kasan_slab_free+0x102/0x150
[  328.671775]  ? kasan_slab_free+0xe/0x10
[  328.675758]  ? kmem_cache_free+0x83/0x290
[  328.679916]  ? __sigqueue_free.part.29+0x74/0x90
[  328.684695]  ? lock_acquire+0x1ed/0x520
[  328.689162]  ? ext4_filemap_fault+0x7a/0xad
[  328.693497]  ? lock_release+0xa00/0xa00
[  328.697480]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.702940]  ? print_usage_bug+0xc0/0xc0
[  328.707018]  ? print_usage_bug+0xc0/0xc0
[  328.711118]  ? down_read+0x8d/0x120
[  328.714751]  ? ext4_filemap_fault+0x7a/0xad
[  328.719096]  ? __down_interruptible+0x700/0x700
[  328.724064]  ext4_filemap_fault+0x82/0xad
[  328.728230]  __do_fault+0x100/0x6b0
[  328.731875]  ? pmd_devmap_trans_unstable+0x220/0x220
[  328.736994]  ? mark_held_locks+0x130/0x130
[  328.741257]  ? mark_held_locks+0x130/0x130
[  328.745502]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  328.751070]  ? rcu_pm_notify+0xc0/0xc0
[  328.754976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.760532]  __handle_mm_fault+0x3ea0/0x5be0
[  328.764961]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  328.769816]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.774326]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.778925]  ? trace_hardirqs_on+0xbd/0x310
[  328.783256]  ? kasan_check_read+0x11/0x20
[  328.787411]  ? __set_current_blocked+0xdf/0x120
[  328.792100]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.797229]  ? zap_class+0x640/0x640
[  328.800953]  ? zap_class+0x640/0x640
[  328.804730]  ? find_held_lock+0x36/0x1c0
[  328.808818]  ? handle_mm_fault+0x42a/0xc70
[  328.813077]  ? lock_downgrade+0x900/0x900
[  328.817236]  ? check_preemption_disabled+0x48/0x280
[  328.822269]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.827210]  ? kasan_check_read+0x11/0x20
[  328.831371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.836660]  ? rcu_softirq_qs+0x20/0x20
[  328.840646]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.845768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.851321]  ? check_preemption_disabled+0x48/0x280
[  328.856356]  handle_mm_fault+0x54f/0xc70
[  328.860435]  ? __handle_mm_fault+0x5be0/0x5be0
[  328.865054]  ? find_vma+0x34/0x190
[  328.868613]  __do_page_fault+0x5e8/0xe60
[  328.872705]  ? exit_to_usermode_loop+0x1f4/0x380
[  328.877479]  do_page_fault+0xf2/0x7e0
[  328.881288]  ? vmalloc_sync_all+0x30/0x30
[  328.885445]  ? error_entry+0x70/0xd0
[  328.889172]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.894197]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.899141]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.904091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.908948]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.913974]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.919442]  ? prepare_exit_to_usermode+0x291/0x3b0
[  328.924470]  ? page_fault+0x8/0x30
[  328.928047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.932905]  ? page_fault+0x8/0x30
[  328.936455]  page_fault+0x1e/0x30
[  328.939916] RIP: 0033:0x45db60
[  328.943133] Code: Bad RIP value.
[  328.946503] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  328.951874] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  328.959153] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  328.966432] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  328.973714] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  328.980993] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  328.988322] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  328.988406] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.994576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.994581] Call Trace:
[  328.994589]  <IRQ>
[  328.994615]  dump_stack+0x244/0x39d
[  328.994633]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.001190] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  329.010539]  warn_alloc.cold.116+0xb7/0x1bd
[  329.013105] syz-fuzzer cpuset=/ mems_allowed=0
[  329.015264]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.048086]  ? lock_downgrade+0x900/0x900
[  329.052263]  ? trace_hardirqs_off+0xb8/0x310
[  329.056703]  ? trace_hardirqs_off+0xb8/0x310
[  329.061142]  __alloc_pages_slowpath+0x26e8/0x2e10
[  329.066046]  ? warn_alloc+0x120/0x120
[  329.069868]  ? print_usage_bug+0xc0/0xc0
[  329.073945]  ? warn_alloc+0x120/0x120
[  329.077763]  ? warn_alloc+0x120/0x120
[  329.081578]  ? print_usage_bug+0xc0/0xc0
[  329.085672]  ? kvm_clock_read+0x18/0x30
[  329.089674]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  329.094704]  ? print_usage_bug+0xc0/0xc0
[  329.098780]  ? __lock_acquire+0x62f/0x4c20
[  329.103053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.108607]  ? should_fail+0x22d/0xd01
[  329.112510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.117807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.122928]  ? __lock_acquire+0x62f/0x4c20
[  329.127187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.132313]  ? __lock_acquire+0x62f/0x4c20
[  329.136560]  ? should_fail+0x22d/0xd01
[  329.140461]  ? rcu_irq_exit+0x1a2/0x390
[  329.144457]  ? mark_held_locks+0x130/0x130
[  329.148709]  ? mark_held_locks+0x130/0x130
[  329.152964]  ? mark_held_locks+0xc7/0x130
[  329.157126]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  329.162157]  ? zap_class+0x640/0x640
[  329.165887]  ? print_usage_bug+0xc0/0xc0
[  329.169966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.175522]  ? check_preemption_disabled+0x48/0x280
[  329.180561]  ? __lock_is_held+0xb5/0x140
[  329.184642]  __alloc_pages_nodemask+0xa80/0xde0
[  329.189330]  ? zap_class+0x640/0x640
[  329.193080]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.198121]  ? find_held_lock+0x36/0x1c0
[  329.202207]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.206896]  ? lock_downgrade+0x900/0x900
[  329.211082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.216643]  cache_grow_begin+0xa5/0x8c0
[  329.220722]  ? do_raw_spin_unlock+0xa7/0x330
[  329.225158]  fallback_alloc+0x204/0x2e0
[  329.229154]  ____cache_alloc_node+0x1c7/0x1e0
[  329.233669]  kmem_cache_alloc_node+0xe3/0x730
[  329.238179]  ? ipv6_get_ifaddr+0x42e/0x620
[  329.242440]  __alloc_skb+0x119/0x770
[  329.246168]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.251465]  ? netdev_alloc_frag+0x1f0/0x1f0
[  329.255888]  ? lock_downgrade+0x900/0x900
[  329.260076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.265634]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.271110]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.276577]  ? addrconf_rs_timer+0x690/0x690
[  329.281013]  ndisc_alloc_skb+0x144/0x340
[  329.285114]  ndisc_send_rs+0x331/0x6e0
[  329.289018]  addrconf_rs_timer+0x314/0x690
[  329.293292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.297553]  call_timer_fn+0x272/0x920
[  329.301455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.305701]  ? process_timeout+0x40/0x40
[  329.309787]  ? mark_held_locks+0xc7/0x130
[  329.313946]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.318457]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.322964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.327215]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.331813]  ? trace_hardirqs_on+0xbd/0x310
[  329.336146]  ? kasan_check_read+0x11/0x20
[  329.340315]  ? __run_timers+0x7da/0xc70
[  329.344309]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.349435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.353693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.357937]  __run_timers+0x7e5/0xc70
[  329.361761]  ? timer_fixup_init+0x70/0x70
[  329.365923]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  329.370952]  ? zap_class+0x640/0x640
[  329.374698]  ? print_usage_bug+0xc0/0xc0
[  329.378772]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  329.383982]  ? find_held_lock+0x36/0x1c0
[  329.388082]  ? zap_class+0x640/0x640
[  329.391815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.397368]  ? check_preemption_disabled+0x48/0x280
[  329.402412]  ? __lock_is_held+0xb5/0x140
[  329.406507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.412077]  ? check_preemption_disabled+0x48/0x280
[  329.417114]  run_timer_softirq+0x52/0xb0
[  329.421189]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.426226]  __do_softirq+0x308/0xb7e
[  329.430066]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.434574]  ? lock_downgrade+0x900/0x900
[  329.438740]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.443863]  ? pvclock_read_flags+0x160/0x160
[  329.448375]  ? lapic_next_event+0x5a/0x90
[  329.452538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.458099]  ? kvm_clock_read+0x18/0x30
[  329.462092]  ? kvm_sched_clock_read+0x9/0x20
[  329.466520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.472097]  ? check_preemption_disabled+0x48/0x280
[  329.477142]  irq_exit+0x17f/0x1c0
[  329.480611]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.485471]  ? smp_reschedule_interrupt+0x109/0x650
[  329.490517]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.496420]  ? interrupt_entry+0xb5/0xc0
[  329.500496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.505532]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.510561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.515419]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.520453]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.525488]  ? task_prio+0x50/0x50
[  329.529139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.534696]  ? check_preemption_disabled+0x48/0x280
[  329.539736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.544607]  apic_timer_interrupt+0xf/0x20
[  329.548850]  </IRQ>
[  329.551106] RIP: 0010:dump_stack+0x358/0x39d
[  329.555531] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  329.574455] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  329.582191] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  329.589488] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  329.596784] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  329.604097] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  329.611392] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  329.618714]  ? dump_stack+0x34f/0x39d
[  329.622555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.627771]  ? mark_held_locks+0x130/0x130
[  329.632051]  ? mark_held_locks+0x130/0x130
[  329.636311]  dump_header+0x27b/0xf72
[  329.640068]  ? pagefault_out_of_memory+0x197/0x197
[  329.645042]  ? __lock_acquire+0x62f/0x4c20
[  329.649304]  ? percpu_ref_get_many+0x240/0x240
[  329.653909]  ? print_usage_bug+0xc0/0xc0
[  329.657993]  ? zap_class+0x640/0x640
[  329.661739]  ? print_usage_bug+0xc0/0xc0
[  329.665810]  ? print_usage_bug+0xc0/0xc0
[  329.669891]  ? zap_class+0x640/0x640
[  329.673628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.679189]  ? find_held_lock+0x36/0x1c0
[  329.688587]  ? mark_held_locks+0xc7/0x130
[  329.692755]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.697877]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.702996]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.707618]  ? trace_hardirqs_on+0xbd/0x310
[  329.711958]  ? kasan_check_read+0x11/0x20
[  329.716123]  ? ___ratelimit+0x3b4/0x672
[  329.720111]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.725229]  ? trace_hardirqs_on+0x310/0x310
[  329.729650]  ? lock_downgrade+0x900/0x900
[  329.733818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.738936]  ? ___ratelimit+0x3b9/0x672
[  329.742928]  ? idr_get_free+0xf70/0xf70
[  329.746917]  ? find_held_lock+0x36/0x1c0
[  329.751007]  oom_kill_process.cold.27+0x10/0x903
[  329.755797]  ? zap_class+0x640/0x640
[  329.759527]  ? check_preemption_disabled+0x48/0x280
[  329.764564]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.769505]  ? kasan_check_read+0x11/0x20
[  329.773665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.778957]  ? oom_evaluate_task+0x540/0x540
[  329.783384]  ? find_held_lock+0x36/0x1c0
[  329.787470]  ? out_of_memory+0x974/0x1430
[  329.791635]  ? lock_downgrade+0x900/0x900
[  329.795797]  ? check_preemption_disabled+0x48/0x280
[  329.800834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.805783]  ? kasan_check_read+0x11/0x20
[  329.809990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.815302]  ? rcu_softirq_qs+0x20/0x20
[  329.819300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.824894]  ? oom_evaluate_task+0x302/0x540
[  329.829329]  out_of_memory+0xa84/0x1430
[  329.833329]  ? oom_killer_disable+0x3a0/0x3a0
[  329.837839]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  329.842788]  ? __ww_mutex_check_waiters+0x160/0x160
[  329.847833]  __alloc_pages_slowpath+0x2354/0x2e10
[  329.852720]  ? warn_alloc+0x120/0x120
[  329.856530]  ? mark_held_locks+0x130/0x130
[  329.860782]  ? find_get_entry+0xaae/0x1120
[  329.865059]  ? filemap_map_pages+0x1a20/0x1a20
[  329.869663]  ? zap_class+0x640/0x640
[  329.873401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.878955]  ? check_preemption_disabled+0x48/0x280
[  329.883986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.889541]  ? should_fail+0x22d/0xd01
[  329.893444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.898561]  ? zap_class+0x640/0x640
[  329.902317]  ? __lock_is_held+0xb5/0x140
[  329.906403]  ? mark_held_locks+0x130/0x130
[  329.910653]  ? lock_release+0xa00/0xa00
[  329.914635]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.920100]  ? xa_load+0x2ba/0x460
[  329.923653]  ? lock_downgrade+0x900/0x900
[  329.927819]  ? __might_sleep+0x95/0x190
[  329.931817]  __alloc_pages_nodemask+0xa80/0xde0
[  329.936507]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.941541]  ? __page_cache_alloc+0x191/0x5c0
[  329.946063]  ? xa_load+0x2e1/0x460
[  329.949619]  ? xa_clear_mark+0x40/0x40
[  329.953523]  ? zap_class+0x640/0x640
[  329.957259]  ? zap_class+0x640/0x640
[  329.960984]  ? zap_class+0x640/0x640
[  329.964722]  ? __do_page_cache_readahead+0x663/0x810
[  329.969843]  ? find_held_lock+0x36/0x1c0
[  329.973927]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  329.979487]  alloc_pages_current+0x173/0x350
[  329.983915]  __page_cache_alloc+0x38c/0x5c0
[  329.988250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.993191]  ? kasan_check_read+0x11/0x20
[  329.997352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.002652]  ? generic_perform_write+0x6a0/0x6a0
[  330.007430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.012984]  ? check_preemption_disabled+0x48/0x280
[  330.018041]  filemap_fault+0x1595/0x25f0
[  330.022131]  ? __lock_page_or_retry+0xa00/0xa00
[  330.026813]  ? mark_held_locks+0x130/0x130
[  330.031086]  ? filemap_map_pages+0xd6b/0x1a20
[  330.035595]  ? lock_downgrade+0x900/0x900
[  330.039759]  ? check_preemption_disabled+0x48/0x280
[  330.044793]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.049730]  ? kasan_check_read+0x11/0x20
[  330.053888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.059179]  ? rcu_softirq_qs+0x20/0x20
[  330.063182]  ? filemap_map_pages+0xd92/0x1a20
[  330.067707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.073271]  ? find_get_entries_tag+0x1400/0x1400
[  330.078143]  ? __lock_acquire+0x62f/0x4c20
[  330.082410]  ? lock_acquire+0x1ed/0x520
[  330.086398]  ? ext4_filemap_fault+0x7a/0xad
[  330.090740]  ? lock_release+0xa00/0xa00
[  330.094728]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.100195]  ? print_usage_bug+0xc0/0xc0
[  330.104271]  ? print_usage_bug+0xc0/0xc0
[  330.108365]  ? down_read+0x8d/0x120
[  330.112008]  ? ext4_filemap_fault+0x7a/0xad
[  330.116360]  ? __down_interruptible+0x700/0x700
[  330.121071]  ext4_filemap_fault+0x82/0xad
[  330.125240]  __do_fault+0x100/0x6b0
[  330.128884]  ? pmd_devmap_trans_unstable+0x220/0x220
[  330.134004]  ? mark_held_locks+0x130/0x130
[  330.138270]  ? mark_held_locks+0x130/0x130
[  330.142531]  ? find_held_lock+0x36/0x1c0
[  330.146625]  ? find_held_lock+0x36/0x1c0
[  330.150701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.156258]  __handle_mm_fault+0x3ea0/0x5be0
[  330.160691]  ? poll_select_copy_remaining+0x18c/0x6a0
[  330.165904]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  330.170768]  ? __might_fault+0x12b/0x1e0
[  330.174846]  ? lock_downgrade+0x900/0x900
[  330.179043]  ? zap_class+0x640/0x640
[  330.182773]  ? zap_class+0x640/0x640
[  330.186502]  ? find_held_lock+0x36/0x1c0
[  330.190588]  ? handle_mm_fault+0x42a/0xc70
[  330.194834]  ? lock_downgrade+0x900/0x900
[  330.198997]  ? check_preemption_disabled+0x48/0x280
[  330.204062]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.209007]  ? kasan_check_read+0x11/0x20
[  330.213189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.218483]  ? rcu_softirq_qs+0x20/0x20
[  330.222474]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.227598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.233155]  ? check_preemption_disabled+0x48/0x280
[  330.238204]  handle_mm_fault+0x54f/0xc70
[  330.242285]  ? __handle_mm_fault+0x5be0/0x5be0
[  330.246895]  ? find_vma+0x34/0x190
[  330.250454]  __do_page_fault+0x5e8/0xe60
[  330.254527]  ? trace_hardirqs_off+0xb8/0x310
[  330.258962]  do_page_fault+0xf2/0x7e0
[  330.262776]  ? vmalloc_sync_all+0x30/0x30
[  330.266935]  ? error_entry+0x70/0xd0
[  330.270665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.275696]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.280649]  ? syscall_return_slowpath+0x5e0/0x5e0
[  330.285589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.290450]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.295480]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.300955]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  330.305988]  ? prepare_exit_to_usermode+0x291/0x3b0
[  330.311092]  ? page_fault+0x8/0x30
[  330.314648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.319506]  ? page_fault+0x8/0x30
[  330.323070]  page_fault+0x1e/0x30
[  330.326535] RIP: 0033:0x7fafaecd0dd3
[  330.330271] Code: Bad RIP value.
[  330.333644] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  330.339014] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  330.346319] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  330.353599] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  330.360883] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  330.368169] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  330.375487] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  330.375493] warn_alloc_show_mem: 1 callbacks suppressed
[  330.375502] Mem-Info:
[  330.382532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.387913] active_anon:50685 inactive_anon:189 isolated_anon:0
[  330.387913]  active_file:14 inactive_file:14 isolated_file:0
[  330.387913]  unevictable:0 dirty:0 writeback:0 unstable:0
[  330.387913]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  330.387913]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  330.387913]  free:13759 free_pcp:552 free_cma:0
[  330.390294] Call Trace:
[  330.399706] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  330.432579]  <IRQ>
[  330.435162] 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
[  330.462601]  dump_stack+0x244/0x39d
[  330.464742] lowmem_reserve[]: 0 2818 6321 6321
[  330.490886]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.494492] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  330.499093]  warn_alloc.cold.116+0xb7/0x1bd
[  330.504257] lowmem_reserve[]: 0 0 3503 3503
[  330.531878]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.536180] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  330.540508]  ? lock_downgrade+0x900/0x900
[  330.545331] lowmem_reserve[]: 0 0 0 0
[  330.574622]  ? trace_hardirqs_off+0xb8/0x310
[  330.578752] 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
[  330.582587]  ? trace_hardirqs_off+0xb8/0x310
[  330.586978] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  330.600511]  __alloc_pages_slowpath+0x26e8/0x2e10
[  330.604895] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  330.620267]  ? warn_alloc+0x120/0x120
[  330.625091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.640174]  ? print_usage_bug+0xc0/0xc0
[  330.643960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.652787]  ? warn_alloc+0x120/0x120
[  330.656835] 272 total pagecache pages
[  330.665408]  ? warn_alloc+0x120/0x120
[  330.669201] 0 pages in swap cache
[  330.672996]  ? print_usage_bug+0xc0/0xc0
[  330.676779] Swap cache stats: add 0, delete 0, find 0/0
[  330.680231]  ? print_usage_bug+0xc0/0xc0
[  330.684276] Free swap  = 0kB
[  330.690103]  ? __lock_acquire+0x62f/0x4c20
[  330.694148] Total swap = 0kB
[  330.697169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.701381] 1965979 pages RAM
[  330.704408]  ? should_fail+0x22d/0xd01
[  330.709922] 0 pages HighMem/MovableOnly
[  330.713044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.716910] 342853 pages reserved
[  330.720884]  ? __lock_acquire+0x62f/0x4c20
[  330.725972] 0 pages cma reserved
[  330.729424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.733714] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.737005]  ? __lock_acquire+0x62f/0x4c20
[  330.737040]  ? should_fail+0x22d/0xd01
[  330.742226] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.748626]  ? find_held_lock+0x36/0x1c0
[  330.752847] init cpuset=/ mems_allowed=0
[  330.756738]  ? mark_held_locks+0x130/0x130
[  330.778761]  ? mark_held_locks+0x130/0x130
[  330.783003]  ? zap_class+0x640/0x640
[  330.786740]  ? zap_class+0x640/0x640
[  330.790465]  ? print_usage_bug+0xc0/0xc0
[  330.794546]  ? do_raw_spin_unlock+0xa7/0x330
[  330.798966]  ? zap_class+0x640/0x640
[  330.802689]  ? print_usage_bug+0xc0/0xc0
[  330.806757]  ? wq_watchdog_touch+0x9c/0xfe
[  330.811001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.816565]  ? check_preemption_disabled+0x48/0x280
[  330.821644]  ? __lock_is_held+0xb5/0x140
[  330.825722]  __alloc_pages_nodemask+0xa80/0xde0
[  330.830398]  ? zap_class+0x640/0x640
[  330.834125]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  330.839165]  ? find_held_lock+0x36/0x1c0
[  330.843246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.847927]  ? lock_downgrade+0x900/0x900
[  330.852097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.857647]  cache_grow_begin+0xa5/0x8c0
[  330.861713]  ? do_raw_spin_unlock+0xa7/0x330
[  330.866141]  fallback_alloc+0x204/0x2e0
[  330.870135]  ____cache_alloc_node+0x1c7/0x1e0
[  330.874646]  kmem_cache_alloc_node+0xe3/0x730
[  330.879151]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.883409]  __alloc_skb+0x119/0x770
[  330.887136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.892430]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.896848]  ? lock_downgrade+0x900/0x900
[  330.901013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.906599]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.912083]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.917540]  ? addrconf_rs_timer+0x690/0x690
[  330.921967]  ndisc_alloc_skb+0x144/0x340
[  330.926061]  ndisc_send_rs+0x331/0x6e0
[  330.929966]  addrconf_rs_timer+0x314/0x690
[  330.934214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.938468]  call_timer_fn+0x272/0x920
[  330.942367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.946608]  ? process_timeout+0x40/0x40
[  330.950684]  ? mark_held_locks+0xc7/0x130
[  330.954841]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.959689]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.964192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.968433]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.973041]  ? trace_hardirqs_on+0xbd/0x310
[  330.977371]  ? kasan_check_read+0x11/0x20
[  330.981541]  ? __run_timers+0x7da/0xc70
[  330.985535]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.990742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.994992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.999248]  __run_timers+0x7e5/0xc70
[  331.003080]  ? timer_fixup_init+0x70/0x70
[  331.007240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.012264]  ? zap_class+0x640/0x640
[  331.015990]  ? print_usage_bug+0xc0/0xc0
[  331.020086]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.025288]  ? find_held_lock+0x36/0x1c0
[  331.029362]  ? zap_class+0x640/0x640
[  331.033089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.038636]  ? check_preemption_disabled+0x48/0x280
[  331.043668]  ? __lock_is_held+0xb5/0x140
[  331.047736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.053283]  ? check_preemption_disabled+0x48/0x280
[  331.058309]  run_timer_softirq+0x52/0xb0
[  331.062396]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.067424]  __do_softirq+0x308/0xb7e
[  331.071236]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.075737]  ? lock_downgrade+0x900/0x900
[  331.079901]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.085037]  ? pvclock_read_flags+0x160/0x160
[  331.089576]  ? lapic_next_event+0x5a/0x90
[  331.093734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.099286]  ? kvm_clock_read+0x18/0x30
[  331.103270]  ? kvm_sched_clock_read+0x9/0x20
[  331.107722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.113266]  ? check_preemption_disabled+0x48/0x280
[  331.118298]  irq_exit+0x17f/0x1c0
[  331.121758]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.126608]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.132499]  ? interrupt_entry+0xb5/0xc0
[  331.136572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.141593]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.146636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.151501]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.156521]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.161543]  ? task_prio+0x50/0x50
[  331.165094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.170637]  ? check_preemption_disabled+0x48/0x280
[  331.175665]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.180521]  apic_timer_interrupt+0xf/0x20
[  331.184758]  </IRQ>
[  331.187004] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  331.192137] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  331.211062] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  331.218776] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  331.226068] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  331.233340] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  331.240612] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  331.247885] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  331.255188]  shrink_active_list+0x14eb/0x1f00
[  331.259710]  ? shrink_inactive_list+0x1c60/0x1c60
[  331.264563]  ? trace_hardirqs_on+0xbd/0x310
[  331.268890]  ? shrink_inactive_list+0xa4a/0x1c60
[  331.273665]  ? mark_held_locks+0x130/0x130
[  331.277910]  ? __lock_acquire+0x62f/0x4c20
[  331.282160]  ? print_usage_bug+0xc0/0xc0
[  331.286240]  ? mark_held_locks+0x130/0x130
[  331.290485]  ? mark_held_locks+0x130/0x130
[  331.294733]  ? print_usage_bug+0xc0/0xc0
[  331.298810]  ? __lock_acquire+0x62f/0x4c20
[  331.303068]  ? zap_class+0x640/0x640
[  331.306790]  ? zap_class+0x640/0x640
[  331.310525]  ? mark_held_locks+0x130/0x130
[  331.314766]  ? zap_class+0x640/0x640
[  331.318501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.324067]  ? check_preemption_disabled+0x48/0x280
[  331.329100]  ? __lock_is_held+0xb5/0x140
[  331.333184]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.338206]  ? inactive_list_is_low+0x305/0x880
[  331.342887]  ? lruvec_lru_size+0x450/0x450
[  331.347129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.352670]  ? lruvec_lru_size+0x2ab/0x450
[  331.356913]  ? percpu_ref_put_many+0x13e/0x260
[  331.361508]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  331.366455]  ? find_held_lock+0x36/0x1c0
[  331.370532]  shrink_node_memcg+0x803/0x18f0
[  331.374878]  ? shrink_active_list+0x1f00/0x1f00
[  331.379575]  ? lock_downgrade+0x900/0x900
[  331.383733]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  331.388852]  ? cgroup_procs_write_finish+0xf0/0xf0
[  331.393798]  ? _raw_spin_unlock+0x2c/0x50
[  331.397960]  shrink_node+0x3bc/0x16b0
[  331.401768]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  331.407094]  ? shrink_node_memcg+0x18f0/0x18f0
[  331.411682]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.416278]  ? trace_hardirqs_on+0xbd/0x310
[  331.420603]  ? vmpressure+0x271/0x340
[  331.424415]  ? do_raw_spin_unlock+0xa7/0x330
[  331.428831]  ? do_raw_spin_trylock+0x270/0x270
[  331.433430]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  331.438973]  ? __cpuset_node_allowed+0x19b/0x660
[  331.443739]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  331.449457]  ? vmpressure+0x1a2/0x340
[  331.453278]  do_try_to_free_pages+0x3e7/0x1290
[  331.457869]  ? zap_class+0x640/0x640
[  331.461607]  ? shrink_node+0x16b0/0x16b0
[  331.465680]  ? __lock_is_held+0xb5/0x140
[  331.469766]  try_to_free_pages+0x4d0/0xb90
[  331.474016]  ? do_try_to_free_pages+0x1290/0x1290
[  331.478895]  ? lock_acquire+0x1ed/0x520
[  331.482891]  ? set_page_refcounted+0x280/0x280
[  331.487487]  ? lock_release+0xa00/0xa00
[  331.491473]  ? _raw_spin_unlock_irq+0x60/0x80
[  331.495979]  ? psi_memstall_enter+0x240/0x2b0
[  331.500481]  ? psi_memstall_tick+0x230/0x230
[  331.504908]  __alloc_pages_slowpath+0xa14/0x2e10
[  331.509698]  ? warn_alloc+0x120/0x120
[  331.513503]  ? mark_held_locks+0x130/0x130
[  331.517755]  ? find_get_entry+0xaae/0x1120
[  331.522008]  ? filemap_map_pages+0x1a20/0x1a20
[  331.526618]  ? zap_class+0x640/0x640
[  331.530346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.535898]  ? check_preemption_disabled+0x48/0x280
[  331.540925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.546471]  ? should_fail+0x22d/0xd01
[  331.550368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.555481]  ? zap_class+0x640/0x640
[  331.559227]  ? __lock_is_held+0xb5/0x140
[  331.563306]  ? mark_held_locks+0x130/0x130
[  331.567555]  ? lock_release+0xa00/0xa00
[  331.571542]  ? perf_trace_sched_process_exec+0x860/0x860
[  331.577000]  ? xa_load+0x2ba/0x460
[  331.580567]  ? lock_downgrade+0x900/0x900
[  331.584724]  ? __might_sleep+0x95/0x190
[  331.588707]  __alloc_pages_nodemask+0xa80/0xde0
[  331.593394]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.598420]  ? __page_cache_alloc+0x191/0x5c0
[  331.602922]  ? xa_load+0x2e1/0x460
[  331.606473]  ? xa_clear_mark+0x40/0x40
[  331.610368]  ? zap_class+0x640/0x640
[  331.614096]  ? zap_class+0x640/0x640
[  331.617823]  ? zap_class+0x640/0x640
[  331.621550]  ? __do_page_cache_readahead+0x663/0x810
[  331.626667]  ? find_held_lock+0x36/0x1c0
[  331.630741]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  331.636291]  alloc_pages_current+0x173/0x350
[  331.640712]  __page_cache_alloc+0x38c/0x5c0
[  331.645056]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.649996]  ? kasan_check_read+0x11/0x20
[  331.654169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.659458]  ? generic_perform_write+0x6a0/0x6a0
[  331.664225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.669775]  ? check_preemption_disabled+0x48/0x280
[  331.674812]  filemap_fault+0x1595/0x25f0
[  331.678892]  ? __lock_page_or_retry+0xa00/0xa00
[  331.683575]  ? mark_held_locks+0x130/0x130
[  331.687828]  ? filemap_map_pages+0xd6b/0x1a20
[  331.692331]  ? lock_downgrade+0x900/0x900
[  331.696486]  ? check_preemption_disabled+0x48/0x280
[  331.701515]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.706455]  ? kasan_check_read+0x11/0x20
[  331.710613]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.715901]  ? rcu_softirq_qs+0x20/0x20
[  331.719895]  ? filemap_map_pages+0xd92/0x1a20
[  331.724402]  ? print_usage_bug+0xc0/0xc0
[  331.728476]  ? find_get_entries_tag+0x1400/0x1400
[  331.733325]  ? __kasan_slab_free+0x102/0x150
[  331.737738]  ? kasan_slab_free+0xe/0x10
[  331.741718]  ? kmem_cache_free+0x83/0x290
[  331.745877]  ? __sigqueue_free.part.29+0x74/0x90
[  331.750664]  ? lock_acquire+0x1ed/0x520
[  331.754652]  ? ext4_filemap_fault+0x7a/0xad
[  331.758992]  ? lock_release+0xa00/0xa00
[  331.763000]  ? perf_trace_sched_process_exec+0x860/0x860
[  331.768482]  ? print_usage_bug+0xc0/0xc0
[  331.772557]  ? print_usage_bug+0xc0/0xc0
[  331.776647]  ? down_read+0x8d/0x120
[  331.780285]  ? ext4_filemap_fault+0x7a/0xad
[  331.784639]  ? __down_interruptible+0x700/0x700
[  331.789330]  ext4_filemap_fault+0x82/0xad
[  331.793497]  __do_fault+0x100/0x6b0
[  331.797142]  ? pmd_devmap_trans_unstable+0x220/0x220
[  331.802264]  ? mark_held_locks+0x130/0x130
[  331.806508]  ? mark_held_locks+0x130/0x130
[  331.810753]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  331.816305]  ? rcu_pm_notify+0xc0/0xc0
[  331.820214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.825771]  __handle_mm_fault+0x3ea0/0x5be0
[  331.830206]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  331.835071]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.839585]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.844185]  ? trace_hardirqs_on+0xbd/0x310
[  331.848520]  ? kasan_check_read+0x11/0x20
[  331.852680]  ? __set_current_blocked+0xdf/0x120
[  331.857363]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.862496]  ? zap_class+0x640/0x640
[  331.866220]  ? zap_class+0x640/0x640
[  331.869956]  ? find_held_lock+0x36/0x1c0
[  331.874061]  ? handle_mm_fault+0x42a/0xc70
[  331.878308]  ? lock_downgrade+0x900/0x900
[  331.882471]  ? check_preemption_disabled+0x48/0x280
[  331.887503]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.892443]  ? kasan_check_read+0x11/0x20
[  331.896602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.901890]  ? rcu_softirq_qs+0x20/0x20
[  331.905876]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.910990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.916560]  ? check_preemption_disabled+0x48/0x280
[  331.921601]  handle_mm_fault+0x54f/0xc70
[  331.925678]  ? __handle_mm_fault+0x5be0/0x5be0
[  331.930278]  ? find_vma+0x34/0x190
[  331.933839]  __do_page_fault+0x5e8/0xe60
[  331.937917]  ? exit_to_usermode_loop+0x1f4/0x380
[  331.942694]  do_page_fault+0xf2/0x7e0
[  331.946519]  ? vmalloc_sync_all+0x30/0x30
[  331.950679]  ? error_entry+0x70/0xd0
[  331.954409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.959436]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.964468]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.969413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.974276]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.979305]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.985785]  ? prepare_exit_to_usermode+0x291/0x3b0
[  331.990824]  ? page_fault+0x8/0x30
[  331.994377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.999235]  ? page_fault+0x8/0x30
[  332.002787]  page_fault+0x1e/0x30
[  332.006253] RIP: 0033:0x45db60
[  332.009469] Code: Bad RIP value.
[  332.012838] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  332.018208] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  332.025486] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  332.032772] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  332.040069] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  332.047354] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  332.054667] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  332.054750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.060921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.060932] Call Trace:
[  332.067559] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.076787]  <IRQ>
[  332.079377] syz-fuzzer cpuset=/ mems_allowed=0
[  332.089624]  dump_stack+0x244/0x39d
[  332.099983]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.105210]  warn_alloc.cold.116+0xb7/0x1bd
[  332.109556]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.114423]  ? lock_downgrade+0x900/0x900
[  332.118600]  ? trace_hardirqs_off+0xb8/0x310
[  332.123047]  ? trace_hardirqs_off+0xb8/0x310
[  332.127481]  __alloc_pages_slowpath+0x26e8/0x2e10
[  332.132367]  ? warn_alloc+0x120/0x120
[  332.136186]  ? print_usage_bug+0xc0/0xc0
[  332.140260]  ? warn_alloc+0x120/0x120
[  332.144091]  ? warn_alloc+0x120/0x120
[  332.147912]  ? print_usage_bug+0xc0/0xc0
[  332.151987]  ? kvm_clock_read+0x18/0x30
[  332.155991]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  332.161050]  ? print_usage_bug+0xc0/0xc0
[  332.165132]  ? __lock_acquire+0x62f/0x4c20
[  332.169389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.174942]  ? should_fail+0x22d/0xd01
[  332.178838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.184134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.189252]  ? __lock_acquire+0x62f/0x4c20
[  332.193510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.198632]  ? __lock_acquire+0x62f/0x4c20
[  332.202880]  ? should_fail+0x22d/0xd01
[  332.206779]  ? rcu_irq_exit+0x1a2/0x390
[  332.210782]  ? mark_held_locks+0x130/0x130
[  332.215057]  ? mark_held_locks+0x130/0x130
[  332.219321]  ? mark_held_locks+0xc7/0x130
[  332.223483]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  332.228516]  ? zap_class+0x640/0x640
[  332.232242]  ? print_usage_bug+0xc0/0xc0
[  332.236330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.241884]  ? check_preemption_disabled+0x48/0x280
[  332.246928]  ? __lock_is_held+0xb5/0x140
[  332.251016]  __alloc_pages_nodemask+0xa80/0xde0
[  332.255725]  ? zap_class+0x640/0x640
[  332.259457]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  332.264495]  ? find_held_lock+0x36/0x1c0
[  332.268577]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.273259]  ? lock_downgrade+0x900/0x900
[  332.277441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.283000]  cache_grow_begin+0xa5/0x8c0
[  332.287096]  ? do_raw_spin_unlock+0xa7/0x330
[  332.291526]  fallback_alloc+0x204/0x2e0
[  332.295521]  ____cache_alloc_node+0x1c7/0x1e0
[  332.300050]  kmem_cache_alloc_node+0xe3/0x730
[  332.304561]  ? ipv6_get_ifaddr+0x42e/0x620
[  332.308817]  __alloc_skb+0x119/0x770
[  332.312542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.317837]  ? netdev_alloc_frag+0x1f0/0x1f0
[  332.322259]  ? lock_downgrade+0x900/0x900
[  332.326428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.331984]  ? refcount_sub_and_test_checked+0x203/0x310
[  332.337457]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  332.342924]  ? addrconf_rs_timer+0x690/0x690
[  332.347362]  ndisc_alloc_skb+0x144/0x340
[  332.351444]  ndisc_send_rs+0x331/0x6e0
[  332.355353]  addrconf_rs_timer+0x314/0x690
[  332.359605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.363860]  call_timer_fn+0x272/0x920
[  332.367762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.372009]  ? process_timeout+0x40/0x40
[  332.376112]  ? mark_held_locks+0xc7/0x130
[  332.380276]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.384787]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.389303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.393553]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.398154]  ? trace_hardirqs_on+0xbd/0x310
[  332.402487]  ? kasan_check_read+0x11/0x20
[  332.406646]  ? __run_timers+0x7da/0xc70
[  332.410633]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.415754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.420009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.424274]  __run_timers+0x7e5/0xc70
[  332.428105]  ? timer_fixup_init+0x70/0x70
[  332.432268]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  332.437309]  ? zap_class+0x640/0x640
[  332.441062]  ? print_usage_bug+0xc0/0xc0
[  332.445138]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  332.450348]  ? find_held_lock+0x36/0x1c0
[  332.454429]  ? zap_class+0x640/0x640
[  332.458162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.463717]  ? check_preemption_disabled+0x48/0x280
[  332.468760]  ? __lock_is_held+0xb5/0x140
[  332.472836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.478389]  ? check_preemption_disabled+0x48/0x280
[  332.483426]  run_timer_softirq+0x52/0xb0
[  332.487503]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.492533]  __do_softirq+0x308/0xb7e
[  332.496351]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.500862]  ? lock_downgrade+0x900/0x900
[  332.505043]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.510169]  ? pvclock_read_flags+0x160/0x160
[  332.514685]  ? lapic_next_event+0x5a/0x90
[  332.518851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.524413]  ? kvm_clock_read+0x18/0x30
[  332.528400]  ? kvm_sched_clock_read+0x9/0x20
[  332.532824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.538380]  ? check_preemption_disabled+0x48/0x280
[  332.543425]  irq_exit+0x17f/0x1c0
[  332.546894]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.551748]  ? smp_reschedule_interrupt+0x109/0x650
[  332.556778]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.562869]  ? interrupt_entry+0xb5/0xc0
[  332.566957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.571990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.577053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.581916]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.586943]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.591977]  ? task_prio+0x50/0x50
[  332.595534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.601092]  ? check_preemption_disabled+0x48/0x280
[  332.606134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.611004]  apic_timer_interrupt+0xf/0x20
[  332.615262]  </IRQ>
[  332.617521] RIP: 0010:dump_stack+0x358/0x39d
[  332.621939] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  332.640865] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  332.648602] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  332.655898] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  332.663196] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  332.670489] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  332.677781] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  332.685121]  ? dump_stack+0x34f/0x39d
[  332.689216]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.694427]  ? mark_held_locks+0x130/0x130
[  332.698675]  ? mark_held_locks+0x130/0x130
[  332.702930]  dump_header+0x27b/0xf72
[  332.706665]  ? pagefault_out_of_memory+0x197/0x197
[  332.711612]  ? __lock_acquire+0x62f/0x4c20
[  332.715862]  ? percpu_ref_get_many+0x240/0x240
[  332.720454]  ? print_usage_bug+0xc0/0xc0
[  332.724527]  ? zap_class+0x640/0x640
[  332.728250]  ? print_usage_bug+0xc0/0xc0
[  332.732322]  ? print_usage_bug+0xc0/0xc0
[  332.736394]  ? zap_class+0x640/0x640
[  332.740121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.745670]  ? find_held_lock+0x36/0x1c0
[  332.749748]  ? mark_held_locks+0xc7/0x130
[  332.753910]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  332.759039]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  332.764157]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.768750]  ? trace_hardirqs_on+0xbd/0x310
[  332.773078]  ? kasan_check_read+0x11/0x20
[  332.777238]  ? ___ratelimit+0x3b4/0x672
[  332.781220]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.786332]  ? trace_hardirqs_on+0x310/0x310
[  332.790750]  ? lock_downgrade+0x900/0x900
[  332.794914]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  332.800048]  ? ___ratelimit+0x3b9/0x672
[  332.804051]  ? idr_get_free+0xf70/0xf70
[  332.808050]  ? find_held_lock+0x36/0x1c0
[  332.812135]  oom_kill_process.cold.27+0x10/0x903
[  332.816904]  ? zap_class+0x640/0x640
[  332.820633]  ? check_preemption_disabled+0x48/0x280
[  332.825662]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.830596]  ? kasan_check_read+0x11/0x20
[  332.834750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.840050]  ? oom_evaluate_task+0x540/0x540
[  332.844475]  ? find_held_lock+0x36/0x1c0
[  332.848548]  ? out_of_memory+0x974/0x1430
[  332.852707]  ? lock_downgrade+0x900/0x900
[  332.856864]  ? check_preemption_disabled+0x48/0x280
[  332.861893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.866828]  ? kasan_check_read+0x11/0x20
[  332.870985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.876267]  ? rcu_softirq_qs+0x20/0x20
[  332.880260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.885806]  ? oom_evaluate_task+0x302/0x540
[  332.890226]  out_of_memory+0xa84/0x1430
[  332.894221]  ? oom_killer_disable+0x3a0/0x3a0
[  332.898731]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  332.903699]  ? __ww_mutex_check_waiters+0x160/0x160
[  332.908737]  __alloc_pages_slowpath+0x2354/0x2e10
[  332.913616]  ? warn_alloc+0x120/0x120
[  332.917422]  ? mark_held_locks+0x130/0x130
[  332.921674]  ? find_get_entry+0xaae/0x1120
[  332.925925]  ? filemap_map_pages+0x1a20/0x1a20
[  332.930517]  ? zap_class+0x640/0x640
[  332.934247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.939797]  ? check_preemption_disabled+0x48/0x280
[  332.944823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.950412]  ? should_fail+0x22d/0xd01
[  332.954321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.959432]  ? zap_class+0x640/0x640
[  332.963181]  ? __lock_is_held+0xb5/0x140
[  332.967256]  ? mark_held_locks+0x130/0x130
[  332.971503]  ? lock_release+0xa00/0xa00
[  332.975484]  ? perf_trace_sched_process_exec+0x860/0x860
[  332.980940]  ? xa_load+0x2ba/0x460
[  332.984489]  ? lock_downgrade+0x900/0x900
[  332.988647]  ? __might_sleep+0x95/0x190
[  332.992633]  __alloc_pages_nodemask+0xa80/0xde0
[  332.997321]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.002348]  ? __page_cache_alloc+0x191/0x5c0
[  333.006888]  ? xa_load+0x2e1/0x460
[  333.010441]  ? xa_clear_mark+0x40/0x40
[  333.014340]  ? zap_class+0x640/0x640
[  333.018086]  ? zap_class+0x640/0x640
[  333.021807]  ? zap_class+0x640/0x640
[  333.025528]  ? __do_page_cache_readahead+0x663/0x810
[  333.030641]  ? find_held_lock+0x36/0x1c0
[  333.034713]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  333.040266]  alloc_pages_current+0x173/0x350
[  333.044696]  __page_cache_alloc+0x38c/0x5c0
[  333.049042]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.053981]  ? kasan_check_read+0x11/0x20
[  333.058137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.063428]  ? generic_perform_write+0x6a0/0x6a0
[  333.068196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.073740]  ? check_preemption_disabled+0x48/0x280
[  333.078771]  filemap_fault+0x1595/0x25f0
[  333.082853]  ? __lock_page_or_retry+0xa00/0xa00
[  333.087536]  ? mark_held_locks+0x130/0x130
[  333.091786]  ? filemap_map_pages+0xd6b/0x1a20
[  333.096297]  ? lock_downgrade+0x900/0x900
[  333.100456]  ? check_preemption_disabled+0x48/0x280
[  333.105481]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.110415]  ? kasan_check_read+0x11/0x20
[  333.114568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.119851]  ? rcu_softirq_qs+0x20/0x20
[  333.123846]  ? filemap_map_pages+0xd92/0x1a20
[  333.128353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.133904]  ? find_get_entries_tag+0x1400/0x1400
[  333.138761]  ? __lock_acquire+0x62f/0x4c20
[  333.143017]  ? lock_acquire+0x1ed/0x520
[  333.147040]  ? ext4_filemap_fault+0x7a/0xad
[  333.151384]  ? lock_release+0xa00/0xa00
[  333.155367]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.160824]  ? print_usage_bug+0xc0/0xc0
[  333.164896]  ? print_usage_bug+0xc0/0xc0
[  333.168982]  ? down_read+0x8d/0x120
[  333.172611]  ? ext4_filemap_fault+0x7a/0xad
[  333.176939]  ? __down_interruptible+0x700/0x700
[  333.181625]  ext4_filemap_fault+0x82/0xad
[  333.185792]  __do_fault+0x100/0x6b0
[  333.189431]  ? pmd_devmap_trans_unstable+0x220/0x220
[  333.194544]  ? mark_held_locks+0x130/0x130
[  333.198786]  ? mark_held_locks+0x130/0x130
[  333.203047]  ? find_held_lock+0x36/0x1c0
[  333.207126]  ? find_held_lock+0x36/0x1c0
[  333.211200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.216749]  __handle_mm_fault+0x3ea0/0x5be0
[  333.221166]  ? poll_select_copy_remaining+0x18c/0x6a0
[  333.226371]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  333.231227]  ? __might_fault+0x12b/0x1e0
[  333.235305]  ? lock_downgrade+0x900/0x900
[  333.239474]  ? zap_class+0x640/0x640
[  333.243193]  ? zap_class+0x640/0x640
[  333.246920]  ? find_held_lock+0x36/0x1c0
[  333.251001]  ? handle_mm_fault+0x42a/0xc70
[  333.255262]  ? lock_downgrade+0x900/0x900
[  333.259425]  ? check_preemption_disabled+0x48/0x280
[  333.264450]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.269389]  ? kasan_check_read+0x11/0x20
[  333.273546]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.278828]  ? rcu_softirq_qs+0x20/0x20
[  333.282808]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.287921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.293465]  ? check_preemption_disabled+0x48/0x280
[  333.298496]  handle_mm_fault+0x54f/0xc70
[  333.302573]  ? __handle_mm_fault+0x5be0/0x5be0
[  333.307168]  ? find_vma+0x34/0x190
[  333.310722]  __do_page_fault+0x5e8/0xe60
[  333.314788]  ? trace_hardirqs_off+0xb8/0x310
[  333.319215]  do_page_fault+0xf2/0x7e0
[  333.323042]  ? vmalloc_sync_all+0x30/0x30
[  333.327201]  ? error_entry+0x70/0xd0
[  333.330922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.335942]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.340881]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.345820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.350673]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.355699]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  333.361157]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  333.366182]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.371208]  ? page_fault+0x8/0x30
[  333.374763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.379617]  ? page_fault+0x8/0x30
[  333.383169]  page_fault+0x1e/0x30
[  333.386701] RIP: 0033:0x7fafaecd0dd3
[  333.390443] Code: Bad RIP value.
[  333.393855] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  333.399225] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  333.406497] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  333.413768] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  333.421058] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  333.428336] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  333.435641] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  333.435647] warn_alloc_show_mem: 1 callbacks suppressed
[  333.435654] Mem-Info:
[  333.442669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.442679] Call Trace:
[  333.448110] active_anon:50685 inactive_anon:189 isolated_anon:0
[  333.448110]  active_file:14 inactive_file:14 isolated_file:0
[  333.448110]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.448110]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  333.448110]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  333.448110]  free:13759 free_pcp:552 free_cma:0
[  333.450490]  <IRQ>
[  333.459865] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.462469]  dump_stack+0x244/0x39d
[  333.495330] 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
[  333.497492]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.524990] lowmem_reserve[]: 0 2818 6321 6321
[  333.528631]  warn_alloc.cold.116+0xb7/0x1bd
[  333.554711] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  333.559902]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.564466] lowmem_reserve[]: 0 0 3503 3503
[  333.568790]  ? lock_downgrade+0x900/0x900
[  333.596356] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  333.601204]  ? trace_hardirqs_off+0xb8/0x310
[  333.605505] lowmem_reserve[]: 0 0 0 0
[  333.609658]  ? trace_hardirqs_off+0xb8/0x310
[  333.638702] 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
[  333.643121]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.646900] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  333.651331]  ? warn_alloc+0x120/0x120
[  333.664821] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  333.669669]  ? print_usage_bug+0xc0/0xc0
[  333.685000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  333.688798]  ? warn_alloc+0x120/0x120
[  333.703879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  333.707955]  ? warn_alloc+0x120/0x120
[  333.716774] 272 total pagecache pages
[  333.720593]  ? print_usage_bug+0xc0/0xc0
[  333.729156] 0 pages in swap cache
[  333.732964]  ? kvm_clock_read+0x18/0x30
[  333.736749] Swap cache stats: add 0, delete 0, find 0/0
[  333.740822]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  333.744252] Free swap  = 0kB
[  333.748235]  ? print_usage_bug+0xc0/0xc0
[  333.753579] Total swap = 0kB
[  333.758603]  ? __lock_acquire+0x62f/0x4c20
[  333.761604] 1965979 pages RAM
[  333.765671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.768667] 0 pages HighMem/MovableOnly
[  333.772908]  ? should_fail+0x22d/0xd01
[  333.775993] 342853 pages reserved
[  333.781533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.785488] 0 pages cma reserved
[  333.789384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.792909] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  333.798106]  ? __lock_acquire+0x62f/0x4c20
[  333.801585] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.806560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.813049] init cpuset=/ mems_allowed=0
[  333.817290]  ? __lock_acquire+0x62f/0x4c20
[  333.817316]  ? should_fail+0x22d/0xd01
[  333.844312]  ? rcu_irq_exit+0x1a2/0x390
[  333.848316]  ? mark_held_locks+0x130/0x130
[  333.852567]  ? mark_held_locks+0x130/0x130
[  333.856823]  ? mark_held_locks+0xc7/0x130
[  333.860982]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  333.866014]  ? zap_class+0x640/0x640
[  333.869758]  ? print_usage_bug+0xc0/0xc0
[  333.873838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.879393]  ? check_preemption_disabled+0x48/0x280
[  333.884434]  ? __lock_is_held+0xb5/0x140
[  333.888512]  __alloc_pages_nodemask+0xa80/0xde0
[  333.893195]  ? zap_class+0x640/0x640
[  333.896923]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.902013]  ? find_held_lock+0x36/0x1c0
[  333.906114]  ? ____cache_alloc_node+0x1c7/0x1e0
[  333.910801]  ? lock_downgrade+0x900/0x900
[  333.914974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.920533]  cache_grow_begin+0xa5/0x8c0
[  333.924610]  ? do_raw_spin_unlock+0xa7/0x330
[  333.929053]  fallback_alloc+0x204/0x2e0
[  333.933060]  ____cache_alloc_node+0x1c7/0x1e0
[  333.937575]  kmem_cache_alloc_node+0xe3/0x730
[  333.942091]  ? ipv6_get_ifaddr+0x42e/0x620
[  333.946345]  __alloc_skb+0x119/0x770
[  333.950074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.955368]  ? netdev_alloc_frag+0x1f0/0x1f0
[  333.959800]  ? lock_downgrade+0x900/0x900
[  333.963969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.969522]  ? refcount_sub_and_test_checked+0x203/0x310
[  333.974988]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  333.980468]  ? addrconf_rs_timer+0x690/0x690
[  333.984901]  ndisc_alloc_skb+0x144/0x340
[  333.988980]  ndisc_send_rs+0x331/0x6e0
[  333.992927]  addrconf_rs_timer+0x314/0x690
[  333.997180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.001437]  call_timer_fn+0x272/0x920
[  334.005343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.009588]  ? process_timeout+0x40/0x40
[  334.013722]  ? mark_held_locks+0xc7/0x130
[  334.017882]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.022384]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.026887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.031137]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.035734]  ? trace_hardirqs_on+0xbd/0x310
[  334.040089]  ? kasan_check_read+0x11/0x20
[  334.044248]  ? __run_timers+0x7da/0xc70
[  334.048236]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.053360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.057614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.061859]  __run_timers+0x7e5/0xc70
[  334.065679]  ? timer_fixup_init+0x70/0x70
[  334.069840]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.074866]  ? zap_class+0x640/0x640
[  334.078597]  ? print_usage_bug+0xc0/0xc0
[  334.082669]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.087879]  ? find_held_lock+0x36/0x1c0
[  334.091956]  ? zap_class+0x640/0x640
[  334.095687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.101236]  ? check_preemption_disabled+0x48/0x280
[  334.106278]  ? __lock_is_held+0xb5/0x140
[  334.110354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.115907]  ? check_preemption_disabled+0x48/0x280
[  334.120960]  run_timer_softirq+0x52/0xb0
[  334.125052]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.130092]  __do_softirq+0x308/0xb7e
[  334.133908]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.138417]  ? lock_downgrade+0x900/0x900
[  334.142586]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.147709]  ? pvclock_read_flags+0x160/0x160
[  334.152217]  ? lapic_next_event+0x5a/0x90
[  334.156379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.161938]  ? kvm_clock_read+0x18/0x30
[  334.165926]  ? kvm_sched_clock_read+0x9/0x20
[  334.170352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.175905]  ? check_preemption_disabled+0x48/0x280
[  334.180941]  irq_exit+0x17f/0x1c0
[  334.184412]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.189268]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.195162]  ? interrupt_entry+0xb5/0xc0
[  334.199236]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.204262]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.209295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.214153]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.219183]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.224212]  ? task_prio+0x50/0x50
[  334.227766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.233322]  ? check_preemption_disabled+0x48/0x280
[  334.238356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.243223]  apic_timer_interrupt+0xf/0x20
[  334.247463]  </IRQ>
[  334.249709] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  334.254829] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  334.273755] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.281488] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  334.288770] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  334.296069] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  334.303348] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  334.310630] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  334.317953]  shrink_active_list+0x14eb/0x1f00
[  334.322479]  ? shrink_inactive_list+0x1c60/0x1c60
[  334.327385]  ? trace_hardirqs_on+0xbd/0x310
[  334.331721]  ? shrink_inactive_list+0xa4a/0x1c60
[  334.336499]  ? mark_held_locks+0x130/0x130
[  334.340744]  ? __lock_acquire+0x62f/0x4c20
[  334.344992]  ? print_usage_bug+0xc0/0xc0
[  334.349087]  ? mark_held_locks+0x130/0x130
[  334.353334]  ? mark_held_locks+0x130/0x130
[  334.357583]  ? print_usage_bug+0xc0/0xc0
[  334.361657]  ? __lock_acquire+0x62f/0x4c20
[  334.365905]  ? zap_class+0x640/0x640
[  334.369626]  ? zap_class+0x640/0x640
[  334.373359]  ? mark_held_locks+0x130/0x130
[  334.377610]  ? zap_class+0x640/0x640
[  334.381343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.386897]  ? check_preemption_disabled+0x48/0x280
[  334.391947]  ? __lock_is_held+0xb5/0x140
[  334.396046]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.401088]  ? inactive_list_is_low+0x305/0x880
[  334.405771]  ? lruvec_lru_size+0x450/0x450
[  334.410037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.415582]  ? lruvec_lru_size+0x2ab/0x450
[  334.419826]  ? percpu_ref_put_many+0x13e/0x260
[  334.424422]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  334.429361]  ? find_held_lock+0x36/0x1c0
[  334.433438]  shrink_node_memcg+0x803/0x18f0
[  334.437784]  ? shrink_active_list+0x1f00/0x1f00
[  334.442473]  ? lock_downgrade+0x900/0x900
[  334.446639]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  334.451756]  ? cgroup_procs_write_finish+0xf0/0xf0
[  334.456698]  ? _raw_spin_unlock+0x2c/0x50
[  334.460863]  shrink_node+0x3bc/0x16b0
[  334.464675]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  334.469983]  ? shrink_node_memcg+0x18f0/0x18f0
[  334.474568]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.479160]  ? trace_hardirqs_on+0xbd/0x310
[  334.483493]  ? vmpressure+0x271/0x340
[  334.487309]  ? do_raw_spin_unlock+0xa7/0x330
[  334.491727]  ? do_raw_spin_trylock+0x270/0x270
[  334.496324]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.501872]  ? __cpuset_node_allowed+0x19b/0x660
[  334.506637]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  334.512352]  ? vmpressure+0x1a2/0x340
[  334.516171]  do_try_to_free_pages+0x3e7/0x1290
[  334.520758]  ? zap_class+0x640/0x640
[  334.524497]  ? shrink_node+0x16b0/0x16b0
[  334.528571]  ? __lock_is_held+0xb5/0x140
[  334.532650]  try_to_free_pages+0x4d0/0xb90
[  334.536895]  ? do_try_to_free_pages+0x1290/0x1290
[  334.541761]  ? lock_acquire+0x1ed/0x520
[  334.545748]  ? set_page_refcounted+0x280/0x280
[  334.550343]  ? lock_release+0xa00/0xa00
[  334.554328]  ? _raw_spin_unlock_irq+0x60/0x80
[  334.559378]  ? psi_memstall_enter+0x240/0x2b0
[  334.563881]  ? psi_memstall_tick+0x230/0x230
[  334.568309]  __alloc_pages_slowpath+0xa14/0x2e10
[  334.573114]  ? warn_alloc+0x120/0x120
[  334.576923]  ? mark_held_locks+0x130/0x130
[  334.581171]  ? find_get_entry+0xaae/0x1120
[  334.585422]  ? filemap_map_pages+0x1a20/0x1a20
[  334.590016]  ? zap_class+0x640/0x640
[  334.593766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.599318]  ? check_preemption_disabled+0x48/0x280
[  334.604350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.609905]  ? should_fail+0x22d/0xd01
[  334.613815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.618927]  ? zap_class+0x640/0x640
[  334.622672]  ? __lock_is_held+0xb5/0x140
[  334.626747]  ? mark_held_locks+0x130/0x130
[  334.630990]  ? lock_release+0xa00/0xa00
[  334.634991]  ? perf_trace_sched_process_exec+0x860/0x860
[  334.640471]  ? xa_load+0x2ba/0x460
[  334.644018]  ? lock_downgrade+0x900/0x900
[  334.648195]  ? __might_sleep+0x95/0x190
[  334.652180]  __alloc_pages_nodemask+0xa80/0xde0
[  334.656862]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.661886]  ? __page_cache_alloc+0x191/0x5c0
[  334.666383]  ? xa_load+0x2e1/0x460
[  334.669928]  ? xa_clear_mark+0x40/0x40
[  334.673828]  ? zap_class+0x640/0x640
[  334.677552]  ? zap_class+0x640/0x640
[  334.681274]  ? zap_class+0x640/0x640
[  334.684999]  ? __do_page_cache_readahead+0x663/0x810
[  334.690610]  ? find_held_lock+0x36/0x1c0
[  334.694680]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  334.700222]  alloc_pages_current+0x173/0x350
[  334.704652]  __page_cache_alloc+0x38c/0x5c0
[  334.708979]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.713936]  ? kasan_check_read+0x11/0x20
[  334.718097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.723389]  ? generic_perform_write+0x6a0/0x6a0
[  334.728143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.733685]  ? check_preemption_disabled+0x48/0x280
[  334.738716]  filemap_fault+0x1595/0x25f0
[  334.742796]  ? __lock_page_or_retry+0xa00/0xa00
[  334.747475]  ? mark_held_locks+0x130/0x130
[  334.751723]  ? filemap_map_pages+0xd6b/0x1a20
[  334.756227]  ? lock_downgrade+0x900/0x900
[  334.760375]  ? check_preemption_disabled+0x48/0x280
[  334.765401]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.770333]  ? kasan_check_read+0x11/0x20
[  334.774480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.779758]  ? rcu_softirq_qs+0x20/0x20
[  334.783744]  ? filemap_map_pages+0xd92/0x1a20
[  334.788249]  ? print_usage_bug+0xc0/0xc0
[  334.792320]  ? find_get_entries_tag+0x1400/0x1400
[  334.797173]  ? __kasan_slab_free+0x102/0x150
[  334.801584]  ? kasan_slab_free+0xe/0x10
[  334.805559]  ? kmem_cache_free+0x83/0x290
[  334.809723]  ? __sigqueue_free.part.29+0x74/0x90
[  334.814516]  ? lock_acquire+0x1ed/0x520
[  334.818497]  ? ext4_filemap_fault+0x7a/0xad
[  334.822833]  ? lock_release+0xa00/0xa00
[  334.826816]  ? perf_trace_sched_process_exec+0x860/0x860
[  334.832278]  ? print_usage_bug+0xc0/0xc0
[  334.836347]  ? print_usage_bug+0xc0/0xc0
[  334.840442]  ? down_read+0x8d/0x120
[  334.844068]  ? ext4_filemap_fault+0x7a/0xad
[  334.848424]  ? __down_interruptible+0x700/0x700
[  334.853110]  ext4_filemap_fault+0x82/0xad
[  334.857268]  __do_fault+0x100/0x6b0
[  334.860900]  ? pmd_devmap_trans_unstable+0x220/0x220
[  334.866013]  ? mark_held_locks+0x130/0x130
[  334.870293]  ? mark_held_locks+0x130/0x130
[  334.874532]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  334.880078]  ? rcu_pm_notify+0xc0/0xc0
[  334.883978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.889527]  __handle_mm_fault+0x3ea0/0x5be0
[  334.893946]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  334.898802]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.903302]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.907901]  ? trace_hardirqs_on+0xbd/0x310
[  334.912229]  ? kasan_check_read+0x11/0x20
[  334.916379]  ? __set_current_blocked+0xdf/0x120
[  334.921063]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.926181]  ? zap_class+0x640/0x640
[  334.929899]  ? zap_class+0x640/0x640
[  334.933614]  ? find_held_lock+0x36/0x1c0
[  334.937699]  ? handle_mm_fault+0x42a/0xc70
[  334.941936]  ? lock_downgrade+0x900/0x900
[  334.946087]  ? check_preemption_disabled+0x48/0x280
[  334.951120]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.956056]  ? kasan_check_read+0x11/0x20
[  334.960250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.965535]  ? rcu_softirq_qs+0x20/0x20
[  334.969513]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.974623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.980167]  ? check_preemption_disabled+0x48/0x280
[  334.985197]  handle_mm_fault+0x54f/0xc70
[  334.989262]  ? __handle_mm_fault+0x5be0/0x5be0
[  334.993851]  ? find_vma+0x34/0x190
[  334.997400]  __do_page_fault+0x5e8/0xe60
[  335.001462]  ? exit_to_usermode_loop+0x1f4/0x380
[  335.006251]  do_page_fault+0xf2/0x7e0
[  335.010060]  ? vmalloc_sync_all+0x30/0x30
[  335.014211]  ? error_entry+0x70/0xd0
[  335.017941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.022956]  ? trace_hardirqs_on_caller+0xc0/0x310
[  335.027883]  ? syscall_return_slowpath+0x5e0/0x5e0
[  335.032821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.037698]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.042719]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  335.048212]  ? prepare_exit_to_usermode+0x291/0x3b0
[  335.053251]  ? page_fault+0x8/0x30
[  335.056801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.061654]  ? page_fault+0x8/0x30
[  335.065198]  page_fault+0x1e/0x30
[  335.068655] RIP: 0033:0x45db60
[  335.071868] Code: Bad RIP value.
[  335.075229] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  335.080594] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  335.087884] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  335.095185] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  335.102479] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  335.109763] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  335.117078] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  335.117117] rcu: INFO: rcu_preempt self-detected stall on CPU
[  335.123334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  335.129529] rcu: 	1-...!: (1 GPs behind) idle=bbe/1/0x4000000000000004 softirq=10954/10955 fqs=13 
[  335.138545] Call Trace:
[  335.138551]  <IRQ>
[  335.138575]  dump_stack+0x244/0x39d
[  335.138591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.138614]  warn_alloc.cold.116+0xb7/0x1bd
[  335.138627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  335.138648]  ? lock_downgrade+0x900/0x900
[  335.138672]  ? trace_hardirqs_off+0xb8/0x310
[  335.138692]  ? trace_hardirqs_off+0xb8/0x310
[  335.138714]  __alloc_pages_slowpath+0x26e8/0x2e10
[  335.138753]  ? warn_alloc+0x120/0x120
[  335.148189] rcu: 	 (t=10530 jiffies g=11569 q=134)
[  335.150785]  ? print_usage_bug+0xc0/0xc0
[  335.152914] rcu: rcu_preempt kthread starved for 10493 jiffies! g11569 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  335.156541]  ? warn_alloc+0x120/0x120
[  335.161702] rcu: RCU grace-period kthread stack dump:
[  335.166030]  ? warn_alloc+0x120/0x120
[  335.170845] rcu_preempt     R  running task    22696    10      2 0x80000000
[  335.174992]  ? print_usage_bug+0xc0/0xc0
[  335.179367] Call Trace:
[  335.183784]  ? kvm_clock_read+0x18/0x30
[  335.188615]  __schedule+0x8cf/0x21d0
[  335.192410]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  335.197321]  ? __sched_text_start+0x8/0x8
[  335.201366]  ? print_usage_bug+0xc0/0xc0
[  335.211859]  ? add_timer_on+0xa20/0xa20
[  335.215685]  ? __lock_acquire+0x62f/0x4c20
[  335.220865]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.224659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.231833]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.235882]  ? should_fail+0x22d/0xd01
[  335.238449]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.242430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.246148]  ? trace_hardirqs_on+0xbd/0x310
[  335.251151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.255291]  ? kasan_check_read+0x11/0x20
[  335.259357]  ? __lock_acquire+0x62f/0x4c20
[  335.263312]  ? prepare_to_swait_event+0x25a/0x800
[  335.263332]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.267555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.272642]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.278178]  ? __lock_acquire+0x62f/0x4c20
[  335.283271]  schedule+0xfe/0x460
[  335.287145]  ? should_fail+0x22d/0xd01
[  335.291747]  ? __schedule+0x21d0/0x21d0
[  335.297006]  ? rcu_irq_exit+0x1a2/0x390
[  335.301377]  ? prepare_to_swait_event+0x25a/0x800
[  335.306474]  ? mark_held_locks+0x130/0x130
[  335.310616]  ? __init_swait_queue_head+0x150/0x150
[  335.314832]  ? mark_held_locks+0x130/0x130
[  335.319673]  ? __lockdep_init_map+0x105/0x590
[  335.324764]  ? mark_held_locks+0xc7/0x130
[  335.329848]  ? lockdep_init_map+0x9/0x10
[  335.334977]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  335.339200]  schedule_timeout+0x140/0x260
[  335.342574]  ? zap_class+0x640/0x640
[  335.346448]  ? usleep_range+0x1a0/0x1a0
[  335.350445]  ? print_usage_bug+0xc0/0xc0
[  335.354393]  ? __next_timer_interrupt+0x1a0/0x1a0
[  335.359236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.363460]  rcu_gp_fqs_loop+0x762/0xa80
[  335.368364]  ? check_preemption_disabled+0x48/0x280
[  335.372582]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  335.377069]  ? __lock_is_held+0xb5/0x140
[  335.381321]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.385387]  __alloc_pages_nodemask+0xa80/0xde0
[  335.390382]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.394531]  ? zap_class+0x640/0x640
[  335.398237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.402196]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  335.406243]  ? rcu_gp_init+0x90b/0x1260
[  335.411102]  ? find_held_lock+0x36/0x1c0
[  335.416622]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  335.420694]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.425694]  ? rcu_accelerate_cbs+0x562/0xae0
[  335.430430]  ? lock_downgrade+0x900/0x900
[  335.434485]  ? zap_class+0x640/0x640
[  335.439576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.444223]  ? zap_class+0x640/0x640
[  335.449658]  cache_grow_begin+0xa5/0x8c0
[  335.453381]  ? __lock_is_held+0xb5/0x140
[  335.458895]  ? do_raw_spin_unlock+0xa7/0x330
[  335.463901]  ? __lock_is_held+0xb5/0x140
[  335.467866]  fallback_alloc+0x204/0x2e0
[  335.471907]  ? zap_class+0x640/0x640
[  335.476669]  ____cache_alloc_node+0x1c7/0x1e0
[  335.481339]  ? rcu_accelerate_cbs+0x562/0xae0
[  335.485820]  kmem_cache_alloc_node+0xe3/0x730
[  335.489955]  ? find_held_lock+0x36/0x1c0
[  335.493649]  ? ipv6_get_ifaddr+0x42e/0x620
[  335.499191]  ? rcu_gp_kthread+0x8cf/0xc70
[  335.502885]  __alloc_skb+0x119/0x770
[  335.506951]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.511007]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.515396]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.519445]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.523402]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.527099]  ? lock_downgrade+0x900/0x900
[  335.531585]  ? trace_hardirqs_on+0xbd/0x310
[  335.536079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.540571]  ? kasan_check_read+0x11/0x20
[  335.544621]  ? refcount_sub_and_test_checked+0x203/0x310
[  335.548859]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.552997]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  335.556694]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.561173]  ? addrconf_rs_timer+0x690/0x690
[  335.566432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.570915]  ndisc_alloc_skb+0x144/0x340
[  335.575315]  rcu_gp_kthread+0x341/0xc70
[  335.579884]  ndisc_send_rs+0x331/0x6e0
[  335.584026]  ? rcu_gp_init+0x1260/0x1260
[  335.588336]  addrconf_rs_timer+0x314/0x690
[  335.593858]  ? mark_held_locks+0x130/0x130
[  335.597991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.603441]  ? __schedule+0x168a/0x21d0
[  335.608536]  call_timer_fn+0x272/0x920
[  335.613965]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.619406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.623822]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.629338]  ? process_timeout+0x40/0x40
[  335.633381]  ? trace_hardirqs_on+0xbd/0x310
[  335.637356]  ? mark_held_locks+0xc7/0x130
[  335.641225]  ? kasan_check_read+0x11/0x20
[  335.645269]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.649501]  ? __schedule+0x168a/0x21d0
[  335.653742]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.657960]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.661913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.665780]  ? lock_pin_lock+0x350/0x350
[  335.670259]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.674481]  ? _raw_spin_unlock_irq+0x60/0x80
[  335.679055]  ? trace_hardirqs_on+0xbd/0x310
[  335.683094]  ? __schedule+0x168a/0x21d0
[  335.687397]  ? kasan_check_read+0x11/0x20
[  335.691527]  ? __switch_to_asm+0x40/0x70
[  335.695669]  ? __run_timers+0x7da/0xc70
[  335.700147]  ? __switch_to_asm+0x40/0x70
[  335.704104]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.708583]  ? show_schedstat+0x731/0xf30
[  335.713666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.717883]  ? __sched_text_start+0x8/0x8
[  335.721922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.726487]  ? find_held_lock+0x36/0x1c0
[  335.730955]  __run_timers+0x7e5/0xc70
[  335.735263]  ? __kthread_parkme+0xce/0x1a0
[  335.739217]  ? timer_fixup_init+0x70/0x70
[  335.743355]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.747399]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.751357]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.755393]  ? zap_class+0x640/0x640
[  335.760488]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.764614]  ? print_usage_bug+0xc0/0xc0
[  335.768827]  ? trace_hardirqs_on+0xbd/0x310
[  335.772954]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.777168]  ? kasan_check_read+0x11/0x20
[  335.781207]  ? find_held_lock+0x36/0x1c0
[  335.784982]  ? __kthread_parkme+0xce/0x1a0
[  335.789195]  ? zap_class+0x640/0x640
[  335.793339]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.798444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.803451]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  335.808543]  ? check_preemption_disabled+0x48/0x280
[  335.812236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.816801]  ? __lock_is_held+0xb5/0x140
[  335.820842]  ? __kthread_parkme+0xfb/0x1a0
[  335.825147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.830323]  ? rcu_gp_init+0x1260/0x1260
[  335.834451]  ? check_preemption_disabled+0x48/0x280
[  335.838507]  kthread+0x35a/0x440
[  335.842740]  run_timer_softirq+0x52/0xb0
[  335.846450]  ? kthread_stop+0x900/0x900
[  335.851552]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.857068]  ret_from_fork+0x3a/0x50
[  335.862159]  __do_softirq+0x308/0xb7e
[  335.867166] NMI backtrace for cpu 1
[  335.872676]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  335.927455]  ? lock_downgrade+0x900/0x900
[  335.931599]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.936699]  ? pvclock_read_flags+0x160/0x160
[  335.941221]  ? lapic_next_event+0x5a/0x90
[  335.945376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.950909]  ? kvm_clock_read+0x18/0x30
[  335.954875]  ? kvm_sched_clock_read+0x9/0x20
[  335.959281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.964905]  ? check_preemption_disabled+0x48/0x280
[  335.969929]  irq_exit+0x17f/0x1c0
[  335.973380]  smp_apic_timer_interrupt+0x1cb/0x760
[  335.978219]  ? smp_reschedule_interrupt+0x109/0x650
[  335.983233]  ? smp_call_function_single_interrupt+0x650/0x650
[  335.989144]  ? interrupt_entry+0xb5/0xc0
[  335.993214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.998232]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.003252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.008106]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.013136]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.018150]  ? task_prio+0x50/0x50
[  336.021690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.027226]  ? check_preemption_disabled+0x48/0x280
[  336.032265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.037117]  apic_timer_interrupt+0xf/0x20
[  336.041345]  </IRQ>
[  336.043584] RIP: 0010:dump_stack+0x358/0x39d
[  336.047997] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  336.066904] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  336.074608] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  336.081874] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  336.089140] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  336.096403] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  336.103670] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  336.110954]  ? dump_stack+0x34f/0x39d
[  336.114770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.119976]  ? mark_held_locks+0x130/0x130
[  336.124229]  ? mark_held_locks+0x130/0x130
[  336.128466]  dump_header+0x27b/0xf72
[  336.132192]  ? pagefault_out_of_memory+0x197/0x197
[  336.137125]  ? __lock_acquire+0x62f/0x4c20
[  336.141359]  ? percpu_ref_get_many+0x240/0x240
[  336.145940]  ? print_usage_bug+0xc0/0xc0
[  336.150004]  ? zap_class+0x640/0x640
[  336.153728]  ? print_usage_bug+0xc0/0xc0
[  336.157825]  ? print_usage_bug+0xc0/0xc0
[  336.161886]  ? zap_class+0x640/0x640
[  336.165605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.171147]  ? find_held_lock+0x36/0x1c0
[  336.175220]  ? mark_held_locks+0xc7/0x130
[  336.179370]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  336.184480]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  336.189586]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.194180]  ? trace_hardirqs_on+0xbd/0x310
[  336.198519]  ? kasan_check_read+0x11/0x20
[  336.202663]  ? ___ratelimit+0x3b4/0x672
[  336.206637]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.211743]  ? trace_hardirqs_on+0x310/0x310
[  336.216159]  ? lock_downgrade+0x900/0x900
[  336.220315]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  336.225418]  ? ___ratelimit+0x3b9/0x672
[  336.229399]  ? idr_get_free+0xf70/0xf70
[  336.233387]  ? find_held_lock+0x36/0x1c0
[  336.237458]  oom_kill_process.cold.27+0x10/0x903
[  336.242212]  ? zap_class+0x640/0x640
[  336.245925]  ? check_preemption_disabled+0x48/0x280
[  336.250945]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.255872]  ? kasan_check_read+0x11/0x20
[  336.260019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.265326]  ? oom_evaluate_task+0x540/0x540
[  336.269749]  ? find_held_lock+0x36/0x1c0
[  336.273831]  ? out_of_memory+0x974/0x1430
[  336.277980]  ? lock_downgrade+0x900/0x900
[  336.282125]  ? check_preemption_disabled+0x48/0x280
[  336.287143]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.292080]  ? kasan_check_read+0x11/0x20
[  336.296223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.301493]  ? rcu_softirq_qs+0x20/0x20
[  336.305485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.311019]  ? oom_evaluate_task+0x302/0x540
[  336.315438]  out_of_memory+0xa84/0x1430
[  336.319417]  ? oom_killer_disable+0x3a0/0x3a0
[  336.323910]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  336.329535]  ? __ww_mutex_check_waiters+0x160/0x160
[  336.334560]  __alloc_pages_slowpath+0x2354/0x2e10
[  336.339426]  ? warn_alloc+0x120/0x120
[  336.343222]  ? mark_held_locks+0x130/0x130
[  336.347461]  ? find_get_entry+0xaae/0x1120
[  336.351699]  ? filemap_map_pages+0x1a20/0x1a20
[  336.356286]  ? zap_class+0x640/0x640
[  336.360007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.365552]  ? check_preemption_disabled+0x48/0x280
[  336.370565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.376105]  ? should_fail+0x22d/0xd01
[  336.379992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.385095]  ? zap_class+0x640/0x640
[  336.388823]  ? __lock_is_held+0xb5/0x140
[  336.392885]  ? mark_held_locks+0x130/0x130
[  336.397119]  ? lock_release+0xa00/0xa00
[  336.401088]  ? perf_trace_sched_process_exec+0x860/0x860
[  336.406551]  ? xa_load+0x2ba/0x460
[  336.410107]  ? lock_downgrade+0x900/0x900
[  336.414273]  ? __might_sleep+0x95/0x190
[  336.418257]  __alloc_pages_nodemask+0xa80/0xde0
[  336.422951]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  336.427968]  ? __page_cache_alloc+0x191/0x5c0
[  336.432461]  ? xa_load+0x2e1/0x460
[  336.436012]  ? xa_clear_mark+0x40/0x40
[  336.439947]  ? zap_class+0x640/0x640
[  336.443667]  ? zap_class+0x640/0x640
[  336.447387]  ? zap_class+0x640/0x640
[  336.451097]  ? __do_page_cache_readahead+0x663/0x810
[  336.456197]  ? find_held_lock+0x36/0x1c0
[  336.460259]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  336.465799]  alloc_pages_current+0x173/0x350
[  336.470208]  __page_cache_alloc+0x38c/0x5c0
[  336.474533]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.479487]  ? kasan_check_read+0x11/0x20
[  336.483641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.488921]  ? generic_perform_write+0x6a0/0x6a0
[  336.493678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.499216]  ? check_preemption_disabled+0x48/0x280
[  336.504237]  filemap_fault+0x1595/0x25f0
[  336.508312]  ? __lock_page_or_retry+0xa00/0xa00
[  336.512997]  ? mark_held_locks+0x130/0x130
[  336.517244]  ? filemap_map_pages+0xd6b/0x1a20
[  336.521736]  ? lock_downgrade+0x900/0x900
[  336.525877]  ? check_preemption_disabled+0x48/0x280
[  336.530893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.535831]  ? kasan_check_read+0x11/0x20
[  336.539976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.545256]  ? rcu_softirq_qs+0x20/0x20
[  336.549241]  ? filemap_map_pages+0xd92/0x1a20
[  336.553753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.559531]  ? find_get_entries_tag+0x1400/0x1400
[  336.564398]  ? __lock_acquire+0x62f/0x4c20
[  336.568655]  ? lock_acquire+0x1ed/0x520
[  336.572642]  ? ext4_filemap_fault+0x7a/0xad
[  336.576966]  ? lock_release+0xa00/0xa00
[  336.580949]  ? perf_trace_sched_process_exec+0x860/0x860
[  336.586397]  ? print_usage_bug+0xc0/0xc0
[  336.590458]  ? print_usage_bug+0xc0/0xc0
[  336.594531]  ? down_read+0x8d/0x120
[  336.598203]  ? ext4_filemap_fault+0x7a/0xad
[  336.602524]  ? __down_interruptible+0x700/0x700
[  336.607231]  ext4_filemap_fault+0x82/0xad
[  336.611382]  __do_fault+0x100/0x6b0
[  336.615050]  ? pmd_devmap_trans_unstable+0x220/0x220
[  336.620151]  ? mark_held_locks+0x130/0x130
[  336.624382]  ? mark_held_locks+0x130/0x130
[  336.628615]  ? find_held_lock+0x36/0x1c0
[  336.632683]  ? find_held_lock+0x36/0x1c0
[  336.636746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.642287]  __handle_mm_fault+0x3ea0/0x5be0
[  336.646717]  ? poll_select_copy_remaining+0x18c/0x6a0
[  336.651913]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  336.656777]  ? __might_fault+0x12b/0x1e0
[  336.660836]  ? lock_downgrade+0x900/0x900
[  336.664997]  ? zap_class+0x640/0x640
[  336.668716]  ? zap_class+0x640/0x640
[  336.672436]  ? find_held_lock+0x36/0x1c0
[  336.676520]  ? handle_mm_fault+0x42a/0xc70
[  336.680768]  ? lock_downgrade+0x900/0x900
[  336.684926]  ? check_preemption_disabled+0x48/0x280
[  336.690066]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.694989]  ? kasan_check_read+0x11/0x20
[  336.699126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.704395]  ? rcu_softirq_qs+0x20/0x20
[  336.708362]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.713460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.718989]  ? check_preemption_disabled+0x48/0x280
[  336.723998]  handle_mm_fault+0x54f/0xc70
[  336.728103]  ? __handle_mm_fault+0x5be0/0x5be0
[  336.732685]  ? find_vma+0x34/0x190
[  336.736228]  __do_page_fault+0x5e8/0xe60
[  336.740290]  ? trace_hardirqs_off+0xb8/0x310
[  336.744717]  do_page_fault+0xf2/0x7e0
[  336.748523]  ? vmalloc_sync_all+0x30/0x30
[  336.752671]  ? error_entry+0x70/0xd0
[  336.756427]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.761445]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.766375]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.771311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.776164]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.781183]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.786638]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.791658]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.796680]  ? page_fault+0x8/0x30
[  336.800228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.805092]  ? page_fault+0x8/0x30
[  336.808675]  page_fault+0x1e/0x30
[  336.812125] RIP: 0033:0x7fafaecd0dd3
[  336.815858] Code: Bad RIP value.
[  336.819223] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  336.824595] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  336.831883] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  336.839158] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  336.846462] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  336.853736] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  336.861074] warn_alloc_show_mem: 1 callbacks suppressed
[  336.861086] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  336.861088] Mem-Info:
[  336.861117] active_anon:50685 inactive_anon:189 isolated_anon:0
[  336.861117]  active_file:14 inactive_file:14 isolated_file:0
[  336.861117]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.861117]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  336.861117]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  336.861117]  free:13759 free_pcp:552 free_cma:0
[  336.866472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.873515] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.875912] Call Trace:
[  336.908789] 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
[  336.918136]  <IRQ>
[  336.945527] lowmem_reserve[]: 0 2818 6321 6321
[  336.948109]  dump_stack+0x244/0x39d
[  336.974185] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  336.976371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.980936] lowmem_reserve[]: 0 0 3503 3503
[  336.984561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.012117] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  337.017298]  ? do_raw_spin_lock+0x14f/0x350
[  337.021595] lowmem_reserve[]: 0 0 0 0
[  337.027125]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  337.056155] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  337.060495]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  337.064262] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  337.068915]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  337.082409] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  337.087599]  arch_trigger_cpumask_backtrace+0x14/0x20
[  337.102919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  337.108181]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  337.123243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  337.128420]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  337.137242] 272 total pagecache pages
[  337.141674]  ? print_other_cpu_stall+0x160/0x160
[  337.150231] 0 pages in swap cache
[  337.154970]  ? print_usage_bug+0xc0/0xc0
[  337.158746] Swap cache stats: add 0, delete 0, find 0/0
[  337.163496]  ? kasan_check_read+0x11/0x20
[  337.166921] Free swap  = 0kB
[  337.170977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.176313] Total swap = 0kB
[  337.180449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.183440] 1965979 pages RAM
[  337.188968]  ? do_trace_rcu_torture_read+0x10/0x10
[  337.191956] 0 pages HighMem/MovableOnly
[  337.197483]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  337.200559] 342853 pages reserved
[  337.205493]  ? __lock_is_held+0xb5/0x140
[  337.209442] 0 pages cma reserved
[  337.214726]  ? __rcu_read_lock+0x50/0x50
[  337.218233] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.222213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.222229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.222254]  ? check_preemption_disabled+0x48/0x280
[  337.225791] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.229637]  rcu_check_callbacks+0xf3b/0x13f0
[  337.236102] init cpuset=/ mems_allowed=0
[  337.241642]  ? rcutree_dead_cpu+0x10/0x10
[  337.274522]  ? lock_downgrade+0x900/0x900
[  337.278670]  ? lock_release+0x940/0xa00
[  337.282643]  ? zap_class+0x640/0x640
[  337.286366]  ? zap_class+0x640/0x640
[  337.290077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.295626]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  337.300200]  ? kvm_set_tsc_khz+0x540/0x540
[  337.304444]  ? warn_alloc.cold.116+0xd1/0x1bd
[  337.308943]  ? find_held_lock+0x36/0x1c0
[  337.313010]  ? zap_class+0x640/0x640
[  337.316733]  ? timekeeping_advance+0x3cc/0xc00
[  337.321312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.326844]  ? check_preemption_disabled+0x48/0x280
[  337.331863]  ? trace_hardirqs_off+0xb8/0x310
[  337.336264]  ? __lock_is_held+0xb5/0x140
[  337.340337]  ? trace_hardirqs_on+0x310/0x310
[  337.344747]  ? check_preemption_disabled+0x48/0x280
[  337.349764]  ? raise_softirq+0x199/0x420
[  337.353827]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  337.358497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.364037]  ? check_preemption_disabled+0x48/0x280
[  337.369061]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.374598]  ? hrtimer_run_queues+0x9a/0x400
[  337.379029]  ? run_local_timers+0x19b/0x230
[  337.383351]  ? timer_clear_idle+0x90/0x90
[  337.387512]  ? debug_smp_processor_id+0x1c/0x20
[  337.392176]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  337.398152]  ? account_process_tick+0x282/0x350
[  337.402829]  update_process_times+0x2d/0x70
[  337.407153]  tick_sched_handle+0x9f/0x180
[  337.411304]  tick_sched_timer+0x45/0x130
[  337.415363]  __hrtimer_run_queues+0x41c/0x10d0
[  337.419947]  ? tick_sched_do_timer+0x1a0/0x1a0
[  337.424522]  ? hrtimer_start_range_ns+0xe00/0xe00
[  337.429380]  ? pvclock_read_flags+0x160/0x160
[  337.433871]  ? trace_hardirqs_on+0x310/0x310
[  337.438288]  ? kvm_clock_read+0x18/0x30
[  337.442255]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  337.447263]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  337.452624]  ? do_timer+0x50/0x50
[  337.456072]  ? rwlock_bug.part.2+0x90/0x90
[  337.460299]  ? trace_hardirqs_on+0x310/0x310
[  337.464707]  ? rcu_softirq_qs+0x20/0x20
[  337.468683]  hrtimer_interrupt+0x313/0x780
[  337.472926]  smp_apic_timer_interrupt+0x1a1/0x760
[  337.477801]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.483676]  ? interrupt_entry+0xb5/0xc0
[  337.487744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.492767]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.497457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.502307]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.507328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.512176]  apic_timer_interrupt+0xf/0x20
[  337.516409] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  337.521775] Code: 3f 7e 0f 85 32 ff ff ff e8 e5 1c 3e ff e9 28 ff ff ff e8 4c 52 c3 ff 48 83 3d 64 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 b6
[  337.540672] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.548378] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003839ad23
[  337.555660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  337.562925] RBP: ffff8801daf074c0 R08: ffff8801c1cd6918 R09: 0000000000000002
[  337.570216] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d9beec00
[  337.577491] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  337.584809]  ? apic_timer_interrupt+0xa/0x20
[  337.589248]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.593496]  __alloc_skb+0x119/0x770
[  337.597237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.602516]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.606926]  ? lock_downgrade+0x900/0x900
[  337.611083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.616623]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.622093]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.627542]  ? addrconf_rs_timer+0x690/0x690
[  337.631978]  ndisc_alloc_skb+0x144/0x340
[  337.636064]  ndisc_send_rs+0x331/0x6e0
[  337.639955]  addrconf_rs_timer+0x314/0x690
[  337.644217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.648452]  call_timer_fn+0x272/0x920
[  337.652447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.656695]  ? process_timeout+0x40/0x40
[  337.660760]  ? mark_held_locks+0xc7/0x130
[  337.664907]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.669413]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.673920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.678185]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.682765]  ? trace_hardirqs_on+0xbd/0x310
[  337.687100]  ? kasan_check_read+0x11/0x20
[  337.691242]  ? __run_timers+0x7da/0xc70
[  337.695211]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.700315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.704553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.708778]  __run_timers+0x7e5/0xc70
[  337.712593]  ? timer_fixup_init+0x70/0x70
[  337.716739]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.721756]  ? zap_class+0x640/0x640
[  337.725476]  ? print_usage_bug+0xc0/0xc0
[  337.729551]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.734740]  ? find_held_lock+0x36/0x1c0
[  337.738817]  ? zap_class+0x640/0x640
[  337.742563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.748139]  ? check_preemption_disabled+0x48/0x280
[  337.753174]  ? __lock_is_held+0xb5/0x140
[  337.757239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.762778]  ? check_preemption_disabled+0x48/0x280
[  337.767802]  run_timer_softirq+0x52/0xb0
[  337.771862]  ? rcu_read_lock_sched_held+0x14f/0x180
[  337.776880]  __do_softirq+0x308/0xb7e
[  337.780682]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  337.785176]  ? lock_downgrade+0x900/0x900
[  337.789344]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  337.794456]  ? pvclock_read_flags+0x160/0x160
[  337.798952]  ? lapic_next_event+0x5a/0x90
[  337.803103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.808644]  ? kvm_clock_read+0x18/0x30
[  337.812622]  ? kvm_sched_clock_read+0x9/0x20
[  337.817041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.822581]  ? check_preemption_disabled+0x48/0x280
[  337.827609]  irq_exit+0x17f/0x1c0
[  337.831097]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.835968]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.841849]  ? interrupt_entry+0xb5/0xc0
[  337.845911]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.850922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.855938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.860813]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.865825]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.870839]  ? task_prio+0x50/0x50
[  337.874383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.879930]  ? check_preemption_disabled+0x48/0x280
[  337.884948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.889804]  apic_timer_interrupt+0xf/0x20
[  337.894037]  </IRQ>
[  337.896274] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  337.901380] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  337.920275] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.927994] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  337.935267] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  337.942542] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  337.949823] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  337.957087] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  337.964379]  shrink_active_list+0x14eb/0x1f00
[  337.968903]  ? shrink_inactive_list+0x1c60/0x1c60
[  337.973743]  ? trace_hardirqs_on+0xbd/0x310
[  337.978066]  ? shrink_inactive_list+0xa4a/0x1c60
[  337.982827]  ? mark_held_locks+0x130/0x130
[  337.987058]  ? __lock_acquire+0x62f/0x4c20
[  337.991293]  ? print_usage_bug+0xc0/0xc0
[  337.995359]  ? mark_held_locks+0x130/0x130
[  337.999593]  ? mark_held_locks+0x130/0x130
[  338.003828]  ? print_usage_bug+0xc0/0xc0
[  338.007889]  ? __lock_acquire+0x62f/0x4c20
[  338.012127]  ? zap_class+0x640/0x640
[  338.015843]  ? zap_class+0x640/0x640
[  338.019593]  ? mark_held_locks+0x130/0x130
[  338.023838]  ? zap_class+0x640/0x640
[  338.027552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.033128]  ? check_preemption_disabled+0x48/0x280
[  338.038172]  ? __lock_is_held+0xb5/0x140
[  338.042243]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.047255]  ? inactive_list_is_low+0x305/0x880
[  338.051927]  ? lruvec_lru_size+0x450/0x450
[  338.056161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.061692]  ? lruvec_lru_size+0x2ab/0x450
[  338.065957]  ? percpu_ref_put_many+0x13e/0x260
[  338.070557]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  338.075487]  ? find_held_lock+0x36/0x1c0
[  338.079554]  shrink_node_memcg+0x803/0x18f0
[  338.083907]  ? shrink_active_list+0x1f00/0x1f00
[  338.088574]  ? lock_downgrade+0x900/0x900
[  338.092719]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.097827]  ? cgroup_procs_write_finish+0xf0/0xf0
[  338.102770]  ? _raw_spin_unlock+0x2c/0x50
[  338.106922]  shrink_node+0x3bc/0x16b0
[  338.110723]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  338.116029]  ? shrink_node_memcg+0x18f0/0x18f0
[  338.120618]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.125201]  ? trace_hardirqs_on+0xbd/0x310
[  338.129536]  ? vmpressure+0x271/0x340
[  338.133352]  ? do_raw_spin_unlock+0xa7/0x330
[  338.137759]  ? do_raw_spin_trylock+0x270/0x270
[  338.142347]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.147882]  ? __cpuset_node_allowed+0x19b/0x660
[  338.152636]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  338.158344]  ? vmpressure+0x1a2/0x340
[  338.162165]  do_try_to_free_pages+0x3e7/0x1290
[  338.166741]  ? zap_class+0x640/0x640
[  338.170471]  ? shrink_node+0x16b0/0x16b0
[  338.174547]  ? __lock_is_held+0xb5/0x140
[  338.178637]  try_to_free_pages+0x4d0/0xb90
[  338.182872]  ? do_try_to_free_pages+0x1290/0x1290
[  338.187723]  ? lock_acquire+0x1ed/0x520
[  338.191701]  ? set_page_refcounted+0x280/0x280
[  338.196325]  ? lock_release+0xa00/0xa00
[  338.200327]  ? _raw_spin_unlock_irq+0x60/0x80
[  338.204833]  ? psi_memstall_enter+0x240/0x2b0
[  338.209329]  ? psi_memstall_tick+0x230/0x230
[  338.213742]  __alloc_pages_slowpath+0xa14/0x2e10
[  338.218528]  ? warn_alloc+0x120/0x120
[  338.222330]  ? mark_held_locks+0x130/0x130
[  338.226617]  ? find_get_entry+0xaae/0x1120
[  338.230859]  ? filemap_map_pages+0x1a20/0x1a20
[  338.235445]  ? zap_class+0x640/0x640
[  338.239165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.244703]  ? check_preemption_disabled+0x48/0x280
[  338.249721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.255287]  ? should_fail+0x22d/0xd01
[  338.259178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.264294]  ? zap_class+0x640/0x640
[  338.268044]  ? __lock_is_held+0xb5/0x140
[  338.272122]  ? mark_held_locks+0x130/0x130
[  338.276355]  ? lock_release+0xa00/0xa00
[  338.280327]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.285774]  ? xa_load+0x2ba/0x460
[  338.289315]  ? lock_downgrade+0x900/0x900
[  338.293483]  ? __might_sleep+0x95/0x190
[  338.297491]  __alloc_pages_nodemask+0xa80/0xde0
[  338.302166]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.307186]  ? __page_cache_alloc+0x191/0x5c0
[  338.311676]  ? xa_load+0x2e1/0x460
[  338.315214]  ? xa_clear_mark+0x40/0x40
[  338.319104]  ? zap_class+0x640/0x640
[  338.322838]  ? zap_class+0x640/0x640
[  338.326548]  ? zap_class+0x640/0x640
[  338.330261]  ? __do_page_cache_readahead+0x663/0x810
[  338.335370]  ? find_held_lock+0x36/0x1c0
[  338.339433]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  338.344972]  alloc_pages_current+0x173/0x350
[  338.349383]  __page_cache_alloc+0x38c/0x5c0
[  338.353718]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.358646]  ? kasan_check_read+0x11/0x20
[  338.362831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.368153]  ? generic_perform_write+0x6a0/0x6a0
[  338.372923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.378489]  ? check_preemption_disabled+0x48/0x280
[  338.383521]  filemap_fault+0x1595/0x25f0
[  338.387592]  ? __lock_page_or_retry+0xa00/0xa00
[  338.392255]  ? mark_held_locks+0x130/0x130
[  338.396493]  ? filemap_map_pages+0xd6b/0x1a20
[  338.401000]  ? lock_downgrade+0x900/0x900
[  338.405182]  ? check_preemption_disabled+0x48/0x280
[  338.410249]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.415192]  ? kasan_check_read+0x11/0x20
[  338.419335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.424606]  ? rcu_softirq_qs+0x20/0x20
[  338.428603]  ? filemap_map_pages+0xd92/0x1a20
[  338.433102]  ? print_usage_bug+0xc0/0xc0
[  338.437183]  ? find_get_entries_tag+0x1400/0x1400
[  338.442031]  ? __kasan_slab_free+0x102/0x150
[  338.446437]  ? kasan_slab_free+0xe/0x10
[  338.450423]  ? kmem_cache_free+0x83/0x290
[  338.454573]  ? __sigqueue_free.part.29+0x74/0x90
[  338.459355]  ? lock_acquire+0x1ed/0x520
[  338.463365]  ? ext4_filemap_fault+0x7a/0xad
[  338.467709]  ? lock_release+0xa00/0xa00
[  338.471684]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.477152]  ? print_usage_bug+0xc0/0xc0
[  338.481214]  ? print_usage_bug+0xc0/0xc0
[  338.485284]  ? down_read+0x8d/0x120
[  338.488906]  ? ext4_filemap_fault+0x7a/0xad
[  338.493245]  ? __down_interruptible+0x700/0x700
[  338.497938]  ext4_filemap_fault+0x82/0xad
[  338.502085]  __do_fault+0x100/0x6b0
[  338.505715]  ? pmd_devmap_trans_unstable+0x220/0x220
[  338.510822]  ? mark_held_locks+0x130/0x130
[  338.515078]  ? mark_held_locks+0x130/0x130
[  338.519321]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  338.524862]  ? rcu_pm_notify+0xc0/0xc0
[  338.528756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.534300]  __handle_mm_fault+0x3ea0/0x5be0
[  338.538735]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  338.543608]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.548107]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.552691]  ? trace_hardirqs_on+0xbd/0x310
[  338.557159]  ? kasan_check_read+0x11/0x20
[  338.561305]  ? __set_current_blocked+0xdf/0x120
[  338.565977]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.571090]  ? zap_class+0x640/0x640
[  338.574810]  ? zap_class+0x640/0x640
[  338.578527]  ? find_held_lock+0x36/0x1c0
[  338.582594]  ? handle_mm_fault+0x42a/0xc70
[  338.586828]  ? lock_downgrade+0x900/0x900
[  338.590981]  ? check_preemption_disabled+0x48/0x280
[  338.596000]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.600949]  ? kasan_check_read+0x11/0x20
[  338.605097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.610370]  ? rcu_softirq_qs+0x20/0x20
[  338.614348]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.619477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.625016]  ? check_preemption_disabled+0x48/0x280
[  338.630055]  handle_mm_fault+0x54f/0xc70
[  338.634125]  ? __handle_mm_fault+0x5be0/0x5be0
[  338.638728]  ? find_vma+0x34/0x190
[  338.642303]  __do_page_fault+0x5e8/0xe60
[  338.646365]  ? exit_to_usermode_loop+0x1f4/0x380
[  338.651134]  do_page_fault+0xf2/0x7e0
[  338.654961]  ? vmalloc_sync_all+0x30/0x30
[  338.659108]  ? error_entry+0x70/0xd0
[  338.662837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.667849]  ? trace_hardirqs_on_caller+0xc0/0x310
[  338.672775]  ? syscall_return_slowpath+0x5e0/0x5e0
[  338.677704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.682544]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.687553]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  338.693481]  ? prepare_exit_to_usermode+0x291/0x3b0
[  338.698494]  ? page_fault+0x8/0x30
[  338.702043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.706885]  ? page_fault+0x8/0x30
[  338.710432]  page_fault+0x1e/0x30
[  338.713878] RIP: 0033:0x45db60
[  338.717127] Code: Bad RIP value.
[  338.720488] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  338.725843] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  338.733108] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  338.740371] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  338.747631] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  338.754929] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  338.762232] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  338.762708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  338.768463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.768472] Call Trace:
[  338.775063] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.784288]  <IRQ>
[  338.786861] syz-fuzzer cpuset=/ mems_allowed=0
[  338.797085]  dump_stack+0x244/0x39d
[  338.807415]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.812618]  warn_alloc.cold.116+0xb7/0x1bd
[  338.816945]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.821788]  ? lock_downgrade+0x900/0x900
[  338.825939]  ? trace_hardirqs_off+0xb8/0x310
[  338.830353]  ? trace_hardirqs_off+0xb8/0x310
[  338.834781]  __alloc_pages_slowpath+0x26e8/0x2e10
[  338.839650]  ? warn_alloc+0x120/0x120
[  338.843466]  ? find_held_lock+0x36/0x1c0
[  338.847528]  ? warn_alloc+0x120/0x120
[  338.851330]  ? warn_alloc+0x120/0x120
[  338.855138]  ? print_usage_bug+0xc0/0xc0
[  338.859232]  ? print_usage_bug+0xc0/0xc0
[  338.863290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.868579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.874127]  ? should_fail+0x22d/0xd01
[  338.878014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.883127]  ? __lock_acquire+0x62f/0x4c20
[  338.887375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.892492]  ? __lock_acquire+0x62f/0x4c20
[  338.896739]  ? should_fail+0x22d/0xd01
[  338.900649]  ? mark_held_locks+0x130/0x130
[  338.904889]  ? mark_held_locks+0x130/0x130
[  338.909130]  ? zap_class+0x640/0x640
[  338.912840]  ? print_usage_bug+0xc0/0xc0
[  338.916901]  ? __lock_acquire+0x62f/0x4c20
[  338.921136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.926672]  ? check_preemption_disabled+0x48/0x280
[  338.931695]  ? __lock_is_held+0xb5/0x140
[  338.935757]  __alloc_pages_nodemask+0xa80/0xde0
[  338.940425]  ? zap_class+0x640/0x640
[  338.944171]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.949196]  ? find_held_lock+0x36/0x1c0
[  338.953269]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.957942]  ? lock_downgrade+0x900/0x900
[  338.962090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.967639]  cache_grow_begin+0xa5/0x8c0
[  338.971726]  ? do_raw_spin_unlock+0xa7/0x330
[  338.976133]  fallback_alloc+0x204/0x2e0
[  338.980132]  ____cache_alloc_node+0x1c7/0x1e0
[  338.984627]  kmem_cache_alloc_node+0xe3/0x730
[  338.989132]  ? ipv6_get_ifaddr+0x42e/0x620
[  338.993401]  __alloc_skb+0x119/0x770
[  338.997108]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.002390]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.006808]  ? lock_downgrade+0x900/0x900
[  339.010974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.016509]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.021958]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.027438]  ? addrconf_rs_timer+0x690/0x690
[  339.031855]  ndisc_alloc_skb+0x144/0x340
[  339.035915]  ndisc_send_rs+0x331/0x6e0
[  339.039819]  addrconf_rs_timer+0x314/0x690
[  339.044103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.048389]  call_timer_fn+0x272/0x920
[  339.052272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.056504]  ? process_timeout+0x40/0x40
[  339.060581]  ? mark_held_locks+0xc7/0x130
[  339.064771]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.069262]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.073773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.078002]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.082630]  ? trace_hardirqs_on+0xbd/0x310
[  339.086990]  ? kasan_check_read+0x11/0x20
[  339.091163]  ? __run_timers+0x7da/0xc70
[  339.095138]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.100255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.104495]  __run_timers+0x7e5/0xc70
[  339.108351]  ? timer_fixup_init+0x70/0x70
[  339.112508]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  339.117531]  ? zap_class+0x640/0x640
[  339.121276]  ? print_usage_bug+0xc0/0xc0
[  339.125353]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  339.130560]  ? find_held_lock+0x36/0x1c0
[  339.134657]  ? zap_class+0x640/0x640
[  339.138379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.143928]  ? check_preemption_disabled+0x48/0x280
[  339.148959]  ? __lock_is_held+0xb5/0x140
[  339.153035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.158630]  ? check_preemption_disabled+0x48/0x280
[  339.163674]  run_timer_softirq+0x52/0xb0
[  339.167744]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.172771]  __do_softirq+0x308/0xb7e
[  339.176595]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.181100]  ? lock_downgrade+0x900/0x900
[  339.185260]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.190437]  ? pvclock_read_flags+0x160/0x160
[  339.194941]  ? lapic_next_event+0x5a/0x90
[  339.199100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.204667]  ? kvm_clock_read+0x18/0x30
[  339.208649]  ? kvm_sched_clock_read+0x9/0x20
[  339.213089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.218647]  ? check_preemption_disabled+0x48/0x280
[  339.223698]  irq_exit+0x17f/0x1c0
[  339.227160]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.232028]  ? smp_reschedule_interrupt+0x109/0x650
[  339.237065]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.242957]  ? interrupt_entry+0xb5/0xc0
[  339.247034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.252060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.257083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.261935]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.266953]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.271975]  ? task_prio+0x50/0x50
[  339.275521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.281075]  ? check_preemption_disabled+0x48/0x280
[  339.286097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.290948]  apic_timer_interrupt+0xf/0x20
[  339.295189]  </IRQ>
[  339.297442] RIP: 0010:dump_stack+0x358/0x39d
[  339.301850] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  339.321034] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  339.328760] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  339.336047] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  339.343357] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  339.350649] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  339.357929] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  339.365239]  ? dump_stack+0x34f/0x39d
[  339.369105]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.374312]  ? mark_held_locks+0x130/0x130
[  339.378567]  ? mark_held_locks+0x130/0x130
[  339.382805]  dump_header+0x27b/0xf72
[  339.386548]  ? pagefault_out_of_memory+0x197/0x197
[  339.391517]  ? __lock_acquire+0x62f/0x4c20
[  339.395756]  ? percpu_ref_get_many+0x240/0x240
[  339.400344]  ? print_usage_bug+0xc0/0xc0
[  339.404411]  ? zap_class+0x640/0x640
[  339.408142]  ? print_usage_bug+0xc0/0xc0
[  339.412203]  ? print_usage_bug+0xc0/0xc0
[  339.416268]  ? zap_class+0x640/0x640
[  339.419991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.425544]  ? find_held_lock+0x36/0x1c0
[  339.429617]  ? mark_held_locks+0xc7/0x130
[  339.433777]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  339.438878]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  339.443985]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  339.448570]  ? trace_hardirqs_on+0xbd/0x310
[  339.452908]  ? kasan_check_read+0x11/0x20
[  339.457060]  ? ___ratelimit+0x3b4/0x672
[  339.461052]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.466158]  ? trace_hardirqs_on+0x310/0x310
[  339.470611]  ? lock_downgrade+0x900/0x900
[  339.474782]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  339.479888]  ? ___ratelimit+0x3b9/0x672
[  339.483869]  ? idr_get_free+0xf70/0xf70
[  339.487845]  ? find_held_lock+0x36/0x1c0
[  339.491923]  oom_kill_process.cold.27+0x10/0x903
[  339.496715]  ? zap_class+0x640/0x640
[  339.500458]  ? check_preemption_disabled+0x48/0x280
[  339.505509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.510443]  ? kasan_check_read+0x11/0x20
[  339.514595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.519877]  ? oom_evaluate_task+0x540/0x540
[  339.524315]  ? find_held_lock+0x36/0x1c0
[  339.528388]  ? out_of_memory+0x974/0x1430
[  339.532558]  ? lock_downgrade+0x900/0x900
[  339.536711]  ? check_preemption_disabled+0x48/0x280
[  339.541732]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.546663]  ? kasan_check_read+0x11/0x20
[  339.550832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.556114]  ? rcu_softirq_qs+0x20/0x20
[  339.560132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.565708]  ? oom_evaluate_task+0x302/0x540
[  339.570130]  out_of_memory+0xa84/0x1430
[  339.574116]  ? oom_killer_disable+0x3a0/0x3a0
[  339.578632]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  339.583568]  ? __ww_mutex_check_waiters+0x160/0x160
[  339.588597]  __alloc_pages_slowpath+0x2354/0x2e10
[  339.593466]  ? warn_alloc+0x120/0x120
[  339.597266]  ? mark_held_locks+0x130/0x130
[  339.601514]  ? find_get_entry+0xaae/0x1120
[  339.605761]  ? filemap_map_pages+0x1a20/0x1a20
[  339.610374]  ? zap_class+0x640/0x640
[  339.614117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.619666]  ? check_preemption_disabled+0x48/0x280
[  339.624693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.630236]  ? should_fail+0x22d/0xd01
[  339.634138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.639263]  ? zap_class+0x640/0x640
[  339.643007]  ? __lock_is_held+0xb5/0x140
[  339.647090]  ? mark_held_locks+0x130/0x130
[  339.651335]  ? lock_release+0xa00/0xa00
[  339.655334]  ? perf_trace_sched_process_exec+0x860/0x860
[  339.660792]  ? xa_load+0x2ba/0x460
[  339.664338]  ? lock_downgrade+0x900/0x900
[  339.668497]  ? __might_sleep+0x95/0x190
[  339.672483]  __alloc_pages_nodemask+0xa80/0xde0
[  339.677181]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.682203]  ? __page_cache_alloc+0x191/0x5c0
[  339.686736]  ? xa_load+0x2e1/0x460
[  339.690279]  ? xa_clear_mark+0x40/0x40
[  339.694175]  ? zap_class+0x640/0x640
[  339.697903]  ? zap_class+0x640/0x640
[  339.701613]  ? zap_class+0x640/0x640
[  339.705330]  ? __do_page_cache_readahead+0x663/0x810
[  339.710434]  ? find_held_lock+0x36/0x1c0
[  339.714499]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  339.720067]  alloc_pages_current+0x173/0x350
[  339.724494]  __page_cache_alloc+0x38c/0x5c0
[  339.728824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.733746]  ? kasan_check_read+0x11/0x20
[  339.737885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.743155]  ? generic_perform_write+0x6a0/0x6a0
[  339.747907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.753439]  ? check_preemption_disabled+0x48/0x280
[  339.758495]  filemap_fault+0x1595/0x25f0
[  339.762578]  ? __lock_page_or_retry+0xa00/0xa00
[  339.767244]  ? mark_held_locks+0x130/0x130
[  339.771486]  ? filemap_map_pages+0xd6b/0x1a20
[  339.776000]  ? lock_downgrade+0x900/0x900
[  339.780150]  ? check_preemption_disabled+0x48/0x280
[  339.785164]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.790109]  ? kasan_check_read+0x11/0x20
[  339.794258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.799534]  ? rcu_softirq_qs+0x20/0x20
[  339.803520]  ? filemap_map_pages+0xd92/0x1a20
[  339.808038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.813672]  ? find_get_entries_tag+0x1400/0x1400
[  339.818525]  ? __lock_acquire+0x62f/0x4c20
[  339.822773]  ? lock_acquire+0x1ed/0x520
[  339.826745]  ? ext4_filemap_fault+0x7a/0xad
[  339.831070]  ? lock_release+0xa00/0xa00
[  339.835049]  ? perf_trace_sched_process_exec+0x860/0x860
[  339.840502]  ? print_usage_bug+0xc0/0xc0
[  339.844564]  ? print_usage_bug+0xc0/0xc0
[  339.848640]  ? down_read+0x8d/0x120
[  339.852263]  ? ext4_filemap_fault+0x7a/0xad
[  339.856592]  ? __down_interruptible+0x700/0x700
[  339.861271]  ext4_filemap_fault+0x82/0xad
[  339.865426]  __do_fault+0x100/0x6b0
[  339.869077]  ? pmd_devmap_trans_unstable+0x220/0x220
[  339.874200]  ? mark_held_locks+0x130/0x130
[  339.878453]  ? mark_held_locks+0x130/0x130
[  339.882687]  ? find_held_lock+0x36/0x1c0
[  339.886750]  ? find_held_lock+0x36/0x1c0
[  339.890810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.896360]  __handle_mm_fault+0x3ea0/0x5be0
[  339.900767]  ? poll_select_copy_remaining+0x18c/0x6a0
[  339.905959]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  339.910803]  ? __might_fault+0x12b/0x1e0
[  339.914861]  ? lock_downgrade+0x900/0x900
[  339.919016]  ? zap_class+0x640/0x640
[  339.922737]  ? zap_class+0x640/0x640
[  339.926451]  ? find_held_lock+0x36/0x1c0
[  339.930530]  ? handle_mm_fault+0x42a/0xc70
[  339.934763]  ? lock_downgrade+0x900/0x900
[  339.938906]  ? check_preemption_disabled+0x48/0x280
[  339.943919]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.948859]  ? kasan_check_read+0x11/0x20
[  339.953001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.958279]  ? rcu_softirq_qs+0x20/0x20
[  339.962273]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.967378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.972916]  ? check_preemption_disabled+0x48/0x280
[  339.977950]  handle_mm_fault+0x54f/0xc70
[  339.982057]  ? __handle_mm_fault+0x5be0/0x5be0
[  339.986662]  ? find_vma+0x34/0x190
[  339.990220]  __do_page_fault+0x5e8/0xe60
[  339.994281]  ? trace_hardirqs_off+0xb8/0x310
[  339.998716]  do_page_fault+0xf2/0x7e0
[  340.002513]  ? vmalloc_sync_all+0x30/0x30
[  340.006659]  ? error_entry+0x70/0xd0
[  340.010373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.015389]  ? trace_hardirqs_on_caller+0xc0/0x310
[  340.020334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  340.025278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.030136]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.035152]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  340.040600]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  340.045618]  ? prepare_exit_to_usermode+0x291/0x3b0
[  340.050627]  ? page_fault+0x8/0x30
[  340.054166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.059004]  ? page_fault+0x8/0x30
[  340.062551]  page_fault+0x1e/0x30
[  340.066028] RIP: 0033:0x7fafaecd0dd3
[  340.069762] Code: Bad RIP value.
[  340.073121] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  340.078479] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  340.085746] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  340.093011] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  340.100288] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  340.107572] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  340.114871] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  340.114874] Mem-Info:
[  340.114906] active_anon:50685 inactive_anon:189 isolated_anon:0
[  340.114906]  active_file:14 inactive_file:14 isolated_file:0
[  340.114906]  unevictable:0 dirty:0 writeback:0 unstable:0
[  340.114906]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  340.114906]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  340.114906]  free:13759 free_pcp:552 free_cma:0
[  340.121886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.124324] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  340.157192] Call Trace:
[  340.166536] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  340.193963]  <IRQ>
[  340.196529] lowmem_reserve[]: 0 2818 6321 6321
[  340.222632]  dump_stack+0x244/0x39d
[  340.224750] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  340.229335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.232933] lowmem_reserve[]: 0 0 3503 3503
[  340.260517]  warn_alloc.cold.116+0xb7/0x1bd
[  340.265683] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  340.270009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.274329] lowmem_reserve[]: 0 0 0 0
[  340.303382]  ? lock_downgrade+0x900/0x900
[  340.308194] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  340.311987]  ? trace_hardirqs_off+0xb8/0x310
[  340.316111] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  340.329648]  ? trace_hardirqs_off+0xb8/0x310
[  340.334037] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  340.349374]  __alloc_pages_slowpath+0x26e8/0x2e10
[  340.353761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  340.368852]  ? warn_alloc+0x120/0x120
[  340.373657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  340.382487]  ? print_usage_bug+0xc0/0xc0
[  340.386267] 272 total pagecache pages
[  340.394836]  ? warn_alloc+0x120/0x120
[  340.398885] 0 pages in swap cache
[  340.402667]  ? warn_alloc+0x120/0x120
[  340.406444] Swap cache stats: add 0, delete 0, find 0/0
[  340.409883]  ? print_usage_bug+0xc0/0xc0
[  340.413657] Free swap  = 0kB
[  340.419014]  ? kvm_clock_read+0x18/0x30
[  340.423074] Total swap = 0kB
[  340.426085]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  340.430037] 1965979 pages RAM
[  340.433051]  ? print_usage_bug+0xc0/0xc0
[  340.438049] 0 pages HighMem/MovableOnly
[  340.441162]  ? __lock_acquire+0x62f/0x4c20
[  340.445195] 342853 pages reserved
[  340.449159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.453367] 0 pages cma reserved
[  340.456822]  ? should_fail+0x22d/0xd01
[  340.462401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.465682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.465713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.469674] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.476090]  ? __lock_acquire+0x62f/0x4c20
[  340.481343] init cpuset=/ mems_allowed=0
[  340.486446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.509489]  ? __lock_acquire+0x62f/0x4c20
[  340.513731]  ? should_fail+0x22d/0xd01
[  340.517645]  ? rcu_irq_exit+0x1a2/0x390
[  340.521643]  ? mark_held_locks+0x130/0x130
[  340.525878]  ? mark_held_locks+0x130/0x130
[  340.530131]  ? mark_held_locks+0xc7/0x130
[  340.534280]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  340.539293]  ? zap_class+0x640/0x640
[  340.543003]  ? print_usage_bug+0xc0/0xc0
[  340.547091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.552628]  ? check_preemption_disabled+0x48/0x280
[  340.557771]  ? __lock_is_held+0xb5/0x140
[  340.561839]  __alloc_pages_nodemask+0xa80/0xde0
[  340.566504]  ? zap_class+0x640/0x640
[  340.570240]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.575267]  ? find_held_lock+0x36/0x1c0
[  340.579337]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.584042]  ? lock_downgrade+0x900/0x900
[  340.588194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.593736]  cache_grow_begin+0xa5/0x8c0
[  340.597800]  ? do_raw_spin_unlock+0xa7/0x330
[  340.602232]  fallback_alloc+0x204/0x2e0
[  340.606224]  ____cache_alloc_node+0x1c7/0x1e0
[  340.610725]  kmem_cache_alloc_node+0xe3/0x730
[  340.615224]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.619468]  __alloc_skb+0x119/0x770
[  340.623194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.628475]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.632886]  ? lock_downgrade+0x900/0x900
[  340.637062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.642613]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.648084]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.653561]  ? addrconf_rs_timer+0x690/0x690
[  340.657980]  ndisc_alloc_skb+0x144/0x340
[  340.662051]  ndisc_send_rs+0x331/0x6e0
[  340.665956]  addrconf_rs_timer+0x314/0x690
[  340.670194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.674440]  call_timer_fn+0x272/0x920
[  340.678352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.682612]  ? process_timeout+0x40/0x40
[  340.686710]  ? mark_held_locks+0xc7/0x130
[  340.691384]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.695879]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.700380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.704611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.709194]  ? trace_hardirqs_on+0xbd/0x310
[  340.713510]  ? kasan_check_read+0x11/0x20
[  340.717666]  ? __run_timers+0x7da/0xc70
[  340.721648]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.726780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.731017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.735282]  __run_timers+0x7e5/0xc70
[  340.739121]  ? timer_fixup_init+0x70/0x70
[  340.743271]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.748285]  ? zap_class+0x640/0x640
[  340.752015]  ? print_usage_bug+0xc0/0xc0
[  340.756096]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.761346]  ? find_held_lock+0x36/0x1c0
[  340.765427]  ? zap_class+0x640/0x640
[  340.769155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.774700]  ? check_preemption_disabled+0x48/0x280
[  340.779748]  ? __lock_is_held+0xb5/0x140
[  340.783822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.789368]  ? check_preemption_disabled+0x48/0x280
[  340.794395]  run_timer_softirq+0x52/0xb0
[  340.798464]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.803485]  __do_softirq+0x308/0xb7e
[  340.807295]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  340.811797]  ? lock_downgrade+0x900/0x900
[  340.815973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.821107]  ? pvclock_read_flags+0x160/0x160
[  340.825626]  ? lapic_next_event+0x5a/0x90
[  340.829818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.835376]  ? kvm_clock_read+0x18/0x30
[  340.839351]  ? kvm_sched_clock_read+0x9/0x20
[  340.843765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.849317]  ? check_preemption_disabled+0x48/0x280
[  340.854354]  irq_exit+0x17f/0x1c0
[  340.857835]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.862712]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.868652]  ? interrupt_entry+0xb5/0xc0
[  340.872718]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.877739]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.882777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.887648]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.892669]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.897699]  ? task_prio+0x50/0x50
[  340.901248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.906800]  ? check_preemption_disabled+0x48/0x280
[  340.911828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.916699]  apic_timer_interrupt+0xf/0x20
[  340.920927]  </IRQ>
[  340.923168] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  340.928287] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  340.947213] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  340.954942] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  340.962233] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  340.969536] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  340.976824] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  340.984112] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  340.991427]  shrink_active_list+0x14eb/0x1f00
[  340.995942]  ? shrink_inactive_list+0x1c60/0x1c60
[  341.000795]  ? trace_hardirqs_on+0xbd/0x310
[  341.005144]  ? shrink_inactive_list+0xa4a/0x1c60
[  341.009942]  ? mark_held_locks+0x130/0x130
[  341.014184]  ? __lock_acquire+0x62f/0x4c20
[  341.018434]  ? print_usage_bug+0xc0/0xc0
[  341.022507]  ? mark_held_locks+0x130/0x130
[  341.026764]  ? mark_held_locks+0x130/0x130
[  341.031011]  ? print_usage_bug+0xc0/0xc0
[  341.035092]  ? __lock_acquire+0x62f/0x4c20
[  341.039338]  ? zap_class+0x640/0x640
[  341.043060]  ? zap_class+0x640/0x640
[  341.046784]  ? mark_held_locks+0x130/0x130
[  341.051034]  ? zap_class+0x640/0x640
[  341.054787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.060339]  ? check_preemption_disabled+0x48/0x280
[  341.065400]  ? __lock_is_held+0xb5/0x140
[  341.069480]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.074501]  ? inactive_list_is_low+0x305/0x880
[  341.079178]  ? lruvec_lru_size+0x450/0x450
[  341.083417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.089139]  ? lruvec_lru_size+0x2ab/0x450
[  341.093377]  ? percpu_ref_put_many+0x13e/0x260
[  341.097970]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  341.102910]  ? find_held_lock+0x36/0x1c0
[  341.106995]  shrink_node_memcg+0x803/0x18f0
[  341.111388]  ? shrink_active_list+0x1f00/0x1f00
[  341.116071]  ? lock_downgrade+0x900/0x900
[  341.120227]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  341.125398]  ? cgroup_procs_write_finish+0xf0/0xf0
[  341.130344]  ? _raw_spin_unlock+0x2c/0x50
[  341.134505]  shrink_node+0x3bc/0x16b0
[  341.138326]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  341.143679]  ? shrink_node_memcg+0x18f0/0x18f0
[  341.148262]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.152871]  ? trace_hardirqs_on+0xbd/0x310
[  341.157211]  ? vmpressure+0x271/0x340
[  341.161017]  ? do_raw_spin_unlock+0xa7/0x330
[  341.165448]  ? do_raw_spin_trylock+0x270/0x270
[  341.170051]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  341.175597]  ? __cpuset_node_allowed+0x19b/0x660
[  341.180356]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  341.186076]  ? vmpressure+0x1a2/0x340
[  341.189890]  do_try_to_free_pages+0x3e7/0x1290
[  341.194477]  ? zap_class+0x640/0x640
[  341.198228]  ? shrink_node+0x16b0/0x16b0
[  341.202295]  ? __lock_is_held+0xb5/0x140
[  341.206421]  try_to_free_pages+0x4d0/0xb90
[  341.210667]  ? do_try_to_free_pages+0x1290/0x1290
[  341.215526]  ? lock_acquire+0x1ed/0x520
[  341.219507]  ? set_page_refcounted+0x280/0x280
[  341.224101]  ? lock_release+0xa00/0xa00
[  341.228102]  ? _raw_spin_unlock_irq+0x60/0x80
[  341.232615]  ? psi_memstall_enter+0x240/0x2b0
[  341.237112]  ? psi_memstall_tick+0x230/0x230
[  341.241537]  __alloc_pages_slowpath+0xa14/0x2e10
[  341.246355]  ? warn_alloc+0x120/0x120
[  341.250175]  ? mark_held_locks+0x130/0x130
[  341.254419]  ? find_get_entry+0xaae/0x1120
[  341.258679]  ? filemap_map_pages+0x1a20/0x1a20
[  341.263268]  ? zap_class+0x640/0x640
[  341.267006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.272566]  ? check_preemption_disabled+0x48/0x280
[  341.277600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.283140]  ? should_fail+0x22d/0xd01
[  341.287059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.292183]  ? zap_class+0x640/0x640
[  341.295959]  ? __lock_is_held+0xb5/0x140
[  341.300033]  ? mark_held_locks+0x130/0x130
[  341.304274]  ? lock_release+0xa00/0xa00
[  341.308255]  ? perf_trace_sched_process_exec+0x860/0x860
[  341.313709]  ? xa_load+0x2ba/0x460
[  341.317253]  ? lock_downgrade+0x900/0x900
[  341.321411]  ? __might_sleep+0x95/0x190
[  341.325399]  __alloc_pages_nodemask+0xa80/0xde0
[  341.330080]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.335122]  ? __page_cache_alloc+0x191/0x5c0
[  341.339620]  ? xa_load+0x2e1/0x460
[  341.343164]  ? xa_clear_mark+0x40/0x40
[  341.347070]  ? zap_class+0x640/0x640
[  341.350810]  ? zap_class+0x640/0x640
[  341.354523]  ? zap_class+0x640/0x640
[  341.358242]  ? __do_page_cache_readahead+0x663/0x810
[  341.363391]  ? find_held_lock+0x36/0x1c0
[  341.367476]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  341.373033]  alloc_pages_current+0x173/0x350
[  341.377450]  __page_cache_alloc+0x38c/0x5c0
[  341.381785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.386735]  ? kasan_check_read+0x11/0x20
[  341.390884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.396165]  ? generic_perform_write+0x6a0/0x6a0
[  341.400927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.406472]  ? check_preemption_disabled+0x48/0x280
[  341.411500]  filemap_fault+0x1595/0x25f0
[  341.415581]  ? __lock_page_or_retry+0xa00/0xa00
[  341.420255]  ? mark_held_locks+0x130/0x130
[  341.424498]  ? filemap_map_pages+0xd6b/0x1a20
[  341.429000]  ? lock_downgrade+0x900/0x900
[  341.433157]  ? check_preemption_disabled+0x48/0x280
[  341.438176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.443106]  ? kasan_check_read+0x11/0x20
[  341.447256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.452536]  ? rcu_softirq_qs+0x20/0x20
[  341.456527]  ? filemap_map_pages+0xd92/0x1a20
[  341.461038]  ? print_usage_bug+0xc0/0xc0
[  341.465116]  ? find_get_entries_tag+0x1400/0x1400
[  341.469960]  ? __kasan_slab_free+0x102/0x150
[  341.474418]  ? kasan_slab_free+0xe/0x10
[  341.478417]  ? kmem_cache_free+0x83/0x290
[  341.482568]  ? __sigqueue_free.part.29+0x74/0x90
[  341.487346]  ? lock_acquire+0x1ed/0x520
[  341.491323]  ? ext4_filemap_fault+0x7a/0xad
[  341.495654]  ? lock_release+0xa00/0xa00
[  341.499631]  ? perf_trace_sched_process_exec+0x860/0x860
[  341.505087]  ? print_usage_bug+0xc0/0xc0
[  341.509157]  ? print_usage_bug+0xc0/0xc0
[  341.513233]  ? down_read+0x8d/0x120
[  341.516856]  ? ext4_filemap_fault+0x7a/0xad
[  341.521192]  ? __down_interruptible+0x700/0x700
[  341.525869]  ext4_filemap_fault+0x82/0xad
[  341.530032]  __do_fault+0x100/0x6b0
[  341.533673]  ? pmd_devmap_trans_unstable+0x220/0x220
[  341.538786]  ? mark_held_locks+0x130/0x130
[  341.543033]  ? mark_held_locks+0x130/0x130
[  341.547272]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  341.552818]  ? rcu_pm_notify+0xc0/0xc0
[  341.556717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.562265]  __handle_mm_fault+0x3ea0/0x5be0
[  341.566690]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  341.571530]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.576036]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.580654]  ? trace_hardirqs_on+0xbd/0x310
[  341.584975]  ? kasan_check_read+0x11/0x20
[  341.589126]  ? __set_current_blocked+0xdf/0x120
[  341.593806]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.598926]  ? zap_class+0x640/0x640
[  341.602637]  ? zap_class+0x640/0x640
[  341.606355]  ? find_held_lock+0x36/0x1c0
[  341.610468]  ? handle_mm_fault+0x42a/0xc70
[  341.614721]  ? lock_downgrade+0x900/0x900
[  341.618876]  ? check_preemption_disabled+0x48/0x280
[  341.623902]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.628830]  ? kasan_check_read+0x11/0x20
[  341.632980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.638256]  ? rcu_softirq_qs+0x20/0x20
[  341.642262]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.647401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.652947]  ? check_preemption_disabled+0x48/0x280
[  341.657976]  handle_mm_fault+0x54f/0xc70
[  341.662050]  ? __handle_mm_fault+0x5be0/0x5be0
[  341.666645]  ? find_vma+0x34/0x190
[  341.670205]  __do_page_fault+0x5e8/0xe60
[  341.674273]  ? exit_to_usermode_loop+0x1f4/0x380
[  341.679047]  do_page_fault+0xf2/0x7e0
[  341.682864]  ? vmalloc_sync_all+0x30/0x30
[  341.687015]  ? error_entry+0x70/0xd0
[  341.690758]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.695778]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.700742]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.705676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.710526]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.715544]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.721005]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.726058]  ? page_fault+0x8/0x30
[  341.729603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.734457]  ? page_fault+0x8/0x30
[  341.738001]  page_fault+0x1e/0x30
[  341.741469] RIP: 0033:0x45db60
[  341.744690] Code: Bad RIP value.
[  341.748052] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  341.753411] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  341.760684] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  341.767952] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  341.775241] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  341.782515] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  341.789836] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  341.789934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  341.796091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.796097] Call Trace:
[  341.796105]  <IRQ>
[  341.796131]  dump_stack+0x244/0x39d
[  341.796149]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.802734] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.812006]  warn_alloc.cold.116+0xb7/0x1bd
[  341.814557] syz-fuzzer cpuset=/ mems_allowed=0
[  341.816714]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.849516]  ? lock_downgrade+0x900/0x900
[  341.853679]  ? trace_hardirqs_off+0xb8/0x310
[  341.858108]  ? trace_hardirqs_off+0xb8/0x310
[  341.862536]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.867411]  ? warn_alloc+0x120/0x120
[  341.871274]  ? print_usage_bug+0xc0/0xc0
[  341.875346]  ? warn_alloc+0x120/0x120
[  341.879151]  ? warn_alloc+0x120/0x120
[  341.882954]  ? print_usage_bug+0xc0/0xc0
[  341.887045]  ? print_usage_bug+0xc0/0xc0
[  341.891106]  ? __lock_acquire+0x62f/0x4c20
[  341.895350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.900894]  ? should_fail+0x22d/0xd01
[  341.904785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.909891]  ? __lock_acquire+0x62f/0x4c20
[  341.914132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.919254]  ? __lock_acquire+0x62f/0x4c20
[  341.923517]  ? should_fail+0x22d/0xd01
[  341.927410]  ? find_held_lock+0x36/0x1c0
[  341.931481]  ? mark_held_locks+0x130/0x130
[  341.935727]  ? mark_held_locks+0x130/0x130
[  341.939960]  ? zap_class+0x640/0x640
[  341.943690]  ? zap_class+0x640/0x640
[  341.947409]  ? print_usage_bug+0xc0/0xc0
[  341.951498]  ? do_raw_spin_unlock+0xa7/0x330
[  341.955912]  ? zap_class+0x640/0x640
[  341.959630]  ? print_usage_bug+0xc0/0xc0
[  341.963728]  ? wq_watchdog_touch+0x9c/0xfe
[  341.967971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.973517]  ? check_preemption_disabled+0x48/0x280
[  341.978558]  ? __lock_is_held+0xb5/0x140
[  341.982635]  __alloc_pages_nodemask+0xa80/0xde0
[  341.987344]  ? zap_class+0x640/0x640
[  341.991063]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.996091]  ? find_held_lock+0x36/0x1c0
[  342.000160]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.004836]  ? lock_downgrade+0x900/0x900
[  342.009041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.014591]  cache_grow_begin+0xa5/0x8c0
[  342.018704]  ? do_raw_spin_unlock+0xa7/0x330
[  342.023158]  fallback_alloc+0x204/0x2e0
[  342.027146]  ____cache_alloc_node+0x1c7/0x1e0
[  342.031653]  kmem_cache_alloc_node+0xe3/0x730
[  342.036153]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.040420]  __alloc_skb+0x119/0x770
[  342.044135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.049424]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.053839]  ? lock_downgrade+0x900/0x900
[  342.057998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.063578]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.069056]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.074550]  ? addrconf_rs_timer+0x690/0x690
[  342.078989]  ndisc_alloc_skb+0x144/0x340
[  342.083095]  ndisc_send_rs+0x331/0x6e0
[  342.086992]  addrconf_rs_timer+0x314/0x690
[  342.091266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.095517]  call_timer_fn+0x272/0x920
[  342.099408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.103643]  ? process_timeout+0x40/0x40
[  342.107714]  ? mark_held_locks+0xc7/0x130
[  342.111867]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.116360]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.120855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.125112]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.129703]  ? trace_hardirqs_on+0xbd/0x310
[  342.134056]  ? kasan_check_read+0x11/0x20
[  342.138210]  ? __run_timers+0x7da/0xc70
[  342.142196]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.147321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.151565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.155804]  __run_timers+0x7e5/0xc70
[  342.159622]  ? timer_fixup_init+0x70/0x70
[  342.163779]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.168797]  ? zap_class+0x640/0x640
[  342.172519]  ? print_usage_bug+0xc0/0xc0
[  342.176592]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.181790]  ? find_held_lock+0x36/0x1c0
[  342.185856]  ? zap_class+0x640/0x640
[  342.189593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.195136]  ? check_preemption_disabled+0x48/0x280
[  342.200178]  ? __lock_is_held+0xb5/0x140
[  342.204245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.209790]  ? check_preemption_disabled+0x48/0x280
[  342.214835]  run_timer_softirq+0x52/0xb0
[  342.218905]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.223935]  __do_softirq+0x308/0xb7e
[  342.227765]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.232276]  ? lock_downgrade+0x900/0x900
[  342.236438]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.241559]  ? pvclock_read_flags+0x160/0x160
[  342.246072]  ? lapic_next_event+0x5a/0x90
[  342.250230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.255811]  ? kvm_clock_read+0x18/0x30
[  342.259787]  ? kvm_sched_clock_read+0x9/0x20
[  342.264202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.269776]  ? check_preemption_disabled+0x48/0x280
[  342.274818]  irq_exit+0x17f/0x1c0
[  342.278275]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.283153]  ? smp_reschedule_interrupt+0x109/0x650
[  342.288187]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.294112]  ? interrupt_entry+0xb5/0xc0
[  342.298183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.303204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.308227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.313074]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.318107]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.323127]  ? task_prio+0x50/0x50
[  342.326680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.332224]  ? check_preemption_disabled+0x48/0x280
[  342.337252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.342108]  apic_timer_interrupt+0xf/0x20
[  342.346340]  </IRQ>
[  342.348586] RIP: 0010:dump_stack+0x358/0x39d
[  342.353001] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 95 ef f9 48 83 3d 19 b8 7e 01 00 0f 84 63 fe ff ff e8 0e 47 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 46 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  342.371926] RSP: 0000:ffff8801d9a5e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  342.379655] RAX: ffff8801d9a50040 RBX: 1ffffffff12a3f76 RCX: 1ffff1003b34a126
[  342.386957] RDX: 0000000000000000 RSI: ffffffff87d343a2 RDI: 0000000000000293
[  342.394241] RBP: ffff8801d9a5e290 R08: ffff8801d9a50930 R09: 0000000000000006
[  342.401544] R10: 0000000000000000 R11: ffff8801d9a50040 R12: 1ffff1003b34bc45
[  342.408826] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  342.416137]  ? dump_stack+0x34f/0x39d
[  342.419959]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.425161]  ? mark_held_locks+0x130/0x130
[  342.429405]  ? mark_held_locks+0x130/0x130
[  342.433647]  dump_header+0x27b/0xf72
[  342.437379]  ? pagefault_out_of_memory+0x197/0x197
[  342.442323]  ? __lock_acquire+0x62f/0x4c20
[  342.446562]  ? percpu_ref_get_many+0x240/0x240
[  342.451175]  ? print_usage_bug+0xc0/0xc0
[  342.455248]  ? zap_class+0x640/0x640
[  342.458982]  ? print_usage_bug+0xc0/0xc0
[  342.463069]  ? print_usage_bug+0xc0/0xc0
[  342.467158]  ? zap_class+0x640/0x640
[  342.470882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.476437]  ? find_held_lock+0x36/0x1c0
[  342.480510]  ? mark_held_locks+0xc7/0x130
[  342.484668]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  342.489803]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  342.494912]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.499504]  ? trace_hardirqs_on+0xbd/0x310
[  342.503840]  ? kasan_check_read+0x11/0x20
[  342.507994]  ? ___ratelimit+0x3b4/0x672
[  342.511985]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.517111]  ? trace_hardirqs_on+0x310/0x310
[  342.521527]  ? lock_downgrade+0x900/0x900
[  342.525690]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  342.530798]  ? ___ratelimit+0x3b9/0x672
[  342.534801]  ? idr_get_free+0xf70/0xf70
[  342.538795]  ? find_held_lock+0x36/0x1c0
[  342.542896]  oom_kill_process.cold.27+0x10/0x903
[  342.547656]  ? zap_class+0x640/0x640
[  342.551376]  ? check_preemption_disabled+0x48/0x280
[  342.556427]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.562007]  ? kasan_check_read+0x11/0x20
[  342.566167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.571455]  ? oom_evaluate_task+0x540/0x540
[  342.575872]  ? find_held_lock+0x36/0x1c0
[  342.579951]  ? out_of_memory+0x974/0x1430
[  342.584104]  ? lock_downgrade+0x900/0x900
[  342.588258]  ? check_preemption_disabled+0x48/0x280
[  342.593290]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.598228]  ? kasan_check_read+0x11/0x20
[  342.602387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.607668]  ? rcu_softirq_qs+0x20/0x20
[  342.611652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.617204]  ? oom_evaluate_task+0x302/0x540
[  342.621619]  out_of_memory+0xa84/0x1430
[  342.625610]  ? oom_killer_disable+0x3a0/0x3a0
[  342.630138]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  342.635079]  ? __ww_mutex_check_waiters+0x160/0x160
[  342.640117]  __alloc_pages_slowpath+0x2354/0x2e10
[  342.645009]  ? warn_alloc+0x120/0x120
[  342.648850]  ? mark_held_locks+0x130/0x130
[  342.653091]  ? find_get_entry+0xaae/0x1120
[  342.657366]  ? filemap_map_pages+0x1a20/0x1a20
[  342.661969]  ? zap_class+0x640/0x640
[  342.665686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.671230]  ? check_preemption_disabled+0x48/0x280
[  342.676250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.681786]  ? should_fail+0x22d/0xd01
[  342.685694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.690928]  ? zap_class+0x640/0x640
[  342.694688]  ? __lock_is_held+0xb5/0x140
[  342.698754]  ? mark_held_locks+0x130/0x130
[  342.703009]  ? lock_release+0xa00/0xa00
[  342.707004]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.712459]  ? xa_load+0x2ba/0x460
[  342.716001]  ? lock_downgrade+0x900/0x900
[  342.720171]  ? __might_sleep+0x95/0x190
[  342.724146]  __alloc_pages_nodemask+0xa80/0xde0
[  342.728816]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.733829]  ? __page_cache_alloc+0x191/0x5c0
[  342.738325]  ? xa_load+0x2e1/0x460
[  342.741871]  ? xa_clear_mark+0x40/0x40
[  342.745773]  ? zap_class+0x640/0x640
[  342.749519]  ? zap_class+0x640/0x640
[  342.753223]  ? zap_class+0x640/0x640
[  342.756925]  ? __do_page_cache_readahead+0x663/0x810
[  342.762028]  ? find_held_lock+0x36/0x1c0
[  342.766091]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  342.771646]  alloc_pages_current+0x173/0x350
[  342.776078]  __page_cache_alloc+0x38c/0x5c0
[  342.780410]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.785332]  ? kasan_check_read+0x11/0x20
[  342.789484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.794759]  ? generic_perform_write+0x6a0/0x6a0
[  342.799510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.805049]  ? check_preemption_disabled+0x48/0x280
[  342.810065]  filemap_fault+0x1595/0x25f0
[  342.814132]  ? __lock_page_or_retry+0xa00/0xa00
[  342.818796]  ? mark_held_locks+0x130/0x130
[  342.823052]  ? filemap_map_pages+0xd6b/0x1a20
[  342.827546]  ? lock_downgrade+0x900/0x900
[  342.831703]  ? check_preemption_disabled+0x48/0x280
[  342.836714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.841637]  ? kasan_check_read+0x11/0x20
[  342.845780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.851084]  ? rcu_softirq_qs+0x20/0x20
[  342.855096]  ? filemap_map_pages+0xd92/0x1a20
[  342.859591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.865163]  ? find_get_entries_tag+0x1400/0x1400
[  342.870030]  ? __lock_acquire+0x62f/0x4c20
[  342.874360]  ? lock_acquire+0x1ed/0x520
[  342.878348]  ? ext4_filemap_fault+0x7a/0xad
[  342.882670]  ? lock_release+0xa00/0xa00
[  342.886657]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.892117]  ? print_usage_bug+0xc0/0xc0
[  342.896191]  ? print_usage_bug+0xc0/0xc0
[  342.900261]  ? down_read+0x8d/0x120
[  342.903893]  ? ext4_filemap_fault+0x7a/0xad
[  342.908208]  ? __down_interruptible+0x700/0x700
[  342.912880]  ext4_filemap_fault+0x82/0xad
[  342.917035]  __do_fault+0x100/0x6b0
[  342.920662]  ? pmd_devmap_trans_unstable+0x220/0x220
[  342.925764]  ? mark_held_locks+0x130/0x130
[  342.929997]  ? mark_held_locks+0x130/0x130
[  342.934235]  ? find_held_lock+0x36/0x1c0
[  342.938307]  ? find_held_lock+0x36/0x1c0
[  342.942365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.947900]  __handle_mm_fault+0x3ea0/0x5be0
[  342.952308]  ? poll_select_copy_remaining+0x18c/0x6a0
[  342.957500]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  342.962338]  ? __might_fault+0x12b/0x1e0
[  342.966391]  ? lock_downgrade+0x900/0x900
[  342.970557]  ? zap_class+0x640/0x640
[  342.974266]  ? zap_class+0x640/0x640
[  342.977985]  ? find_held_lock+0x36/0x1c0
[  342.982051]  ? handle_mm_fault+0x42a/0xc70
[  342.986281]  ? lock_downgrade+0x900/0x900
[  342.990438]  ? check_preemption_disabled+0x48/0x280
[  342.995463]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.000382]  ? kasan_check_read+0x11/0x20
[  343.004536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.009804]  ? rcu_softirq_qs+0x20/0x20
[  343.013772]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.018871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.024403]  ? check_preemption_disabled+0x48/0x280
[  343.029424]  handle_mm_fault+0x54f/0xc70
[  343.033498]  ? __handle_mm_fault+0x5be0/0x5be0
[  343.038105]  ? find_vma+0x34/0x190
[  343.041655]  __do_page_fault+0x5e8/0xe60
[  343.045705]  ? trace_hardirqs_off+0xb8/0x310
[  343.050131]  do_page_fault+0xf2/0x7e0
[  343.053939]  ? vmalloc_sync_all+0x30/0x30
[  343.058083]  ? error_entry+0x70/0xd0
[  343.061807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.066816]  ? trace_hardirqs_on_caller+0xc0/0x310
[  343.071737]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.076702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.081543]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.086554]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.092002]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  343.097025]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.102073]  ? page_fault+0x8/0x30
[  343.105639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.110479]  ? page_fault+0x8/0x30
[  343.114094]  page_fault+0x1e/0x30
[  343.117555] RIP: 0033:0x7fafaecd0dd3
[  343.121274] Code: Bad RIP value.
[  343.124643] RSP: 002b:00007ffffd969ce8 EFLAGS: 00010246
[  343.130004] RAX: 0000000000000000 RBX: 00007ffffd969e90 RCX: 00007fafaecd0dd3
[  343.137296] RDX: 0000000000000000 RSI: 00007ffffd96a040 RDI: 000000000000000b
[  343.144578] RBP: 00007ffffd96a040 R08: 00007ffffd96a0c0 R09: 0000000000000001
[  343.151845] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  343.159109] R13: 00007ffffd96a420 R14: 0000000000000000 R15: 0000000000000000
[  343.166403] CPU: 1 PID: 6030 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #142
[  343.166409] warn_alloc_show_mem: 1 callbacks suppressed
[  343.166415] Mem-Info:
[  343.173435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.178803] active_anon:50685 inactive_anon:189 isolated_anon:0
[  343.178803]  active_file:14 inactive_file:14 isolated_file:0
[  343.178803]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.178803]  slab_reclaimable:8964 slab_unreclaimable:1456843
[  343.178803]  mapped:24578 shmem:244 pagetables:505 bounce:0
[  343.178803]  free:13759 free_pcp:552 free_cma:0
[  343.181188] Call Trace:
[  343.190583] Node 0 active_anon:202740kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.223427]  <IRQ>
[  343.225997] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  343.253406]  dump_stack+0x244/0x39d
[  343.255556] lowmem_reserve[]: 0 2818 6321 6321
[  343.281662]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.285274] Node 0 DMA32 free:25136kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  343.289854]  warn_alloc.cold.116+0xb7/0x1bd
[  343.295006] lowmem_reserve[]: 0 0 3503 3503
[  343.322596]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.326887] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:194548kB inactive_anon:756kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6688kB pagetables:2020kB bounce:0kB free_pcp:1960kB local_pcp:1172kB free_cma:0kB
[  343.331200]  ? lock_downgrade+0x900/0x900
[  343.336015] lowmem_reserve[]: 0 0 0 0
[  343.365090]  ? trace_hardirqs_off+0xb8/0x310
[  343.369208] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  343.373029]  ? trace_hardirqs_off+0xb8/0x310
[  343.377411] Node 0 DMA32: 4*4kB (M) 2*8kB (UM) 1*16kB (M) 4*32kB (UM) 4*64kB (UM) 3*128kB (UM) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25136kB
[  343.390927]  __alloc_pages_slowpath+0x26e8/0x2e10
[  343.395307] Node 0 Normal: 706*4kB (MEH) 300*8kB (UMEH) 168*16kB (UMEH) 86*32kB (UMEH) 28*64kB (M) 0*128kB 0*256kB 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 13992kB
[  343.410661]  ? warn_alloc+0x120/0x120
[  343.415465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  343.430548]  ? print_usage_bug+0xc0/0xc0
[  343.434331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  343.443147]  ? warn_alloc+0x120/0x120
[  343.447183] 272 total pagecache pages
[  343.455747]  ? warn_alloc+0x120/0x120
[  343.459532] 0 pages in swap cache
[  343.463319]  ? print_usage_bug+0xc0/0xc0
[  343.467099] Swap cache stats: add 0, delete 0, find 0/0
[  343.470549]  ? kvm_clock_read+0x18/0x30
[  343.474580] Free swap  = 0kB
[  343.479950]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  343.483910] Total swap = 0kB
[  343.486920]  ? print_usage_bug+0xc0/0xc0
[  343.491910] 1965979 pages RAM
[  343.494937]  ? __lock_acquire+0x62f/0x4c20
[  343.498970] 0 pages HighMem/MovableOnly
[  343.502066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.506277] 342853 pages reserved
[  343.510247]  ? should_fail+0x22d/0xd01
[  343.515758] 0 pages cma reserved
[  343.519207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.523148] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.526432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.531806] init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.538164]  ? __lock_acquire+0x62f/0x4c20
[  343.543241] init cpuset=/ mems_allowed=0
[  343.552938]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.566286]  ? __lock_acquire+0x62f/0x4c20
[  343.570516]  ? should_fail+0x22d/0xd01
[  343.574398]  ? rcu_irq_exit+0x1a2/0x390
[  343.578382]  ? mark_held_locks+0x130/0x130
[  343.582620]  ? mark_held_locks+0x130/0x130
[  343.586859]  ? mark_held_locks+0xc7/0x130
[  343.591015]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  343.596042]  ? zap_class+0x640/0x640
[  343.599756]  ? print_usage_bug+0xc0/0xc0
[  343.603854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.609404]  ? check_preemption_disabled+0x48/0x280
[  343.614430]  ? __lock_is_held+0xb5/0x140
[  343.618498]  __alloc_pages_nodemask+0xa80/0xde0
[  343.623181]  ? zap_class+0x640/0x640
[  343.626897]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.631935]  ? find_held_lock+0x36/0x1c0
[  343.636006]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.640699]  ? lock_downgrade+0x900/0x900
[  343.644850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.650395]  cache_grow_begin+0xa5/0x8c0
[  343.654453]  ? do_raw_spin_unlock+0xa7/0x330
[  343.658867]  fallback_alloc+0x204/0x2e0
[  343.662847]  ____cache_alloc_node+0x1c7/0x1e0
[  343.667359]  kmem_cache_alloc_node+0xe3/0x730
[  343.671868]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.676115]  __alloc_skb+0x119/0x770
[  343.679822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.685098]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.689510]  ? lock_downgrade+0x900/0x900
[  343.693659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.699194]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.704640]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.710103]  ? addrconf_rs_timer+0x690/0x690
[  343.714516]  ndisc_alloc_skb+0x144/0x340
[  343.718609]  ndisc_send_rs+0x331/0x6e0
[  343.722513]  addrconf_rs_timer+0x314/0x690
[  343.726750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.730993]  call_timer_fn+0x272/0x920
[  343.734879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.739105]  ? process_timeout+0x40/0x40
[  343.743168]  ? mark_held_locks+0xc7/0x130
[  343.747315]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.751813]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.756303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.760534]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.765120]  ? trace_hardirqs_on+0xbd/0x310
[  343.769442]  ? kasan_check_read+0x11/0x20
[  343.773598]  ? __run_timers+0x7da/0xc70
[  343.777583]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.782704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.786942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.791171]  __run_timers+0x7e5/0xc70
[  343.794982]  ? timer_fixup_init+0x70/0x70
[  343.799132]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.804152]  ? zap_class+0x640/0x640
[  343.807912]  ? print_usage_bug+0xc0/0xc0
[  343.811985]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  343.817178]  ? find_held_lock+0x36/0x1c0
[  343.821243]  ? zap_class+0x640/0x640
[  343.824962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.830499]  ? check_preemption_disabled+0x48/0x280
[  343.835524]  ? __lock_is_held+0xb5/0x140
[  343.839583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.845118]  ? check_preemption_disabled+0x48/0x280
[  343.850132]  run_timer_softirq+0x52/0xb0
[  343.854194]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.859206]  __do_softirq+0x308/0xb7e
[  343.863012]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.867517]  ? lock_downgrade+0x900/0x900
[  343.871669]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.876776]  ? pvclock_read_flags+0x160/0x160
[  343.881290]  ? lapic_next_event+0x5a/0x90
[  343.885437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.890992]  ? kvm_clock_read+0x18/0x30
[  343.894968]  ? kvm_sched_clock_read+0x9/0x20
[  343.899374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.904925]  ? check_preemption_disabled+0x48/0x280
[  343.909960]  irq_exit+0x17f/0x1c0
[  343.913412]  smp_apic_timer_interrupt+0x1cb/0x760
[  343.918271]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.924164]  ? interrupt_entry+0xb5/0xc0
[  343.928246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.933277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.938308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.943152]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.948168]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.953186]  ? task_prio+0x50/0x50
[  343.956728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.962261]  ? check_preemption_disabled+0x48/0x280
[  343.967305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.972156]  apic_timer_interrupt+0xf/0x20
[  343.976380]  </IRQ>
[  343.978612] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80
[  343.983714] Code: 51 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 63 8a 76 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 70 42 7a f9 65 8b 05 59 7c 26 78 85 c0 74 05 5b
[  344.002639] RSP: 0000:ffff8801bb3edc10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.010349] RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff1003839ad1e
[  344.017641] RDX: 1ffffffff12a3f78 RSI: 0000000000000000 RDI: ffffffff8951fbc0
[  344.024911] RBP: ffff8801bb3edc18 R08: ffff8801c1cd68f0 R09: 0000000000000006
[  344.032190] R10: 0000000000000000 R11: ffff8801c1cd6000 R12: ffff8801d4443240
[  344.039455] R13: ffff8801bb3ee228 R14: 0000000000000000 R15: 0000000000000003
[  344.046777]  shrink_active_list+0x14eb/0x1f00
[  344.051304]  ? shrink_inactive_list+0x1c60/0x1c60
[  344.056148]  ? trace_hardirqs_on+0xbd/0x310
[  344.060469]  ? shrink_inactive_list+0xa4a/0x1c60
[  344.065234]  ? mark_held_locks+0x130/0x130
[  344.069466]  ? __lock_acquire+0x62f/0x4c20
[  344.073703]  ? print_usage_bug+0xc0/0xc0
[  344.077786]  ? mark_held_locks+0x130/0x130
[  344.082045]  ? mark_held_locks+0x130/0x130
[  344.086293]  ? print_usage_bug+0xc0/0xc0
[  344.090356]  ? __lock_acquire+0x62f/0x4c20
[  344.094592]  ? zap_class+0x640/0x640
[  344.098317]  ? zap_class+0x640/0x640
[  344.102059]  ? mark_held_locks+0x130/0x130
[  344.106294]  ? zap_class+0x640/0x640
[  344.110053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.115620]  ? check_preemption_disabled+0x48/0x280
[  344.120758]  ? __lock_is_held+0xb5/0x140
[  344.124833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.129847]  ? inactive_list_is_low+0x305/0x880
[  344.134523]  ? lruvec_lru_size+0x450/0x450
[  344.138764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.144320]  ? lruvec_lru_size+0x2ab/0x450
[  344.148559]  ? percpu_ref_put_many+0x13e/0x260
[  344.153146]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  344.158080]  ? find_held_lock+0x36/0x1c0
[  344.162150]  shrink_node_memcg+0x803/0x18f0
[  344.166491]  ? shrink_active_list+0x1f00/0x1f00
[  344.171166]  ? lock_downgrade+0x900/0x900
[  344.175316]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  344.180425]  ? cgroup_procs_write_finish+0xf0/0xf0
[  344.185375]  ? _raw_spin_unlock+0x2c/0x50
[  344.189544]  shrink_node+0x3bc/0x16b0
[  344.193345]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  344.198649]  ? shrink_node_memcg+0x18f0/0x18f0
[  344.203228]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.207831]  ? trace_hardirqs_on+0xbd/0x310
[  344.212154]  ? vmpressure+0x271/0x340
[  344.215973]  ? do_raw_spin_unlock+0xa7/0x330
[  344.220383]  ? do_raw_spin_trylock+0x270/0x270
[  344.224970]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.230508]  ? __cpuset_node_allowed+0x19b/0x660
[  344.235265]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  344.240979]  ? vmpressure+0x1a2/0x340
[  344.244810]  do_try_to_free_pages+0x3e7/0x1290
[  344.249404]  ? zap_class+0x640/0x640
[  344.253134]  ? shrink_node+0x16b0/0x16b0
[  344.257199]  ? __lock_is_held+0xb5/0x140
[  344.261277]  try_to_free_pages+0x4d0/0xb90
[  344.265515]  ? do_try_to_free_pages+0x1290/0x1290
[  344.270370]  ? lock_acquire+0x1ed/0x520
[  344.274346]  ? set_page_refcounted+0x280/0x280
[  344.278953]  ? lock_release+0xa00/0xa00
[  344.282928]  ? _raw_spin_unlock_irq+0x60/0x80
[  344.287422]  ? psi_memstall_enter+0x240/0x2b0
[  344.291922]  ? psi_memstall_tick+0x230/0x230
[  344.296339]  __alloc_pages_slowpath+0xa14/0x2e10
[  344.301122]  ? warn_alloc+0x120/0x120
[  344.304935]  ? mark_held_locks+0x130/0x130
[  344.309187]  ? find_get_entry+0xaae/0x1120
[  344.313432]  ? filemap_map_pages+0x1a20/0x1a20
[  344.318025]  ? zap_class+0x640/0x640
[  344.321750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.327293]  ? check_preemption_disabled+0x48/0x280
[  344.332309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.337850]  ? should_fail+0x22d/0xd01
[  344.341743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.346844]  ? zap_class+0x640/0x640
[  344.350584]  ? __lock_is_held+0xb5/0x140
[  344.354652]  ? mark_held_locks+0x130/0x130
[  344.358891]  ? lock_release+0xa00/0xa00
[  344.362862]  ? perf_trace_sched_process_exec+0x860/0x860
[  344.368308]  ? xa_load+0x2ba/0x460
[  344.371848]  ? lock_downgrade+0x900/0x900
[  344.375996]  ? __might_sleep+0x95/0x190
[  344.379984]  __alloc_pages_nodemask+0xa80/0xde0
[  344.384661]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.389699]  ? __page_cache_alloc+0x191/0x5c0
[  344.394193]  ? xa_load+0x2e1/0x460
[  344.397734]  ? xa_clear_mark+0x40/0x40
[  344.401624]  ? zap_class+0x640/0x640
[  344.405342]  ? zap_class+0x640/0x640
[  344.409055]  ? zap_class+0x640/0x640
[  344.412766]  ? __do_page_cache_readahead+0x663/0x810
[  344.417878]  ? find_held_lock+0x36/0x1c0
[  344.421938]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  344.427480]  alloc_pages_current+0x173/0x350
[  344.431904]  __page_cache_alloc+0x38c/0x5c0
[  344.436226]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.441155]  ? kasan_check_read+0x11/0x20
[  344.445302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.450581]  ? generic_perform_write+0x6a0/0x6a0
[  344.455336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.460871]  ? check_preemption_disabled+0x48/0x280
[  344.465890]  filemap_fault+0x1595/0x25f0
[  344.470009]  ? __lock_page_or_retry+0xa00/0xa00
[  344.474706]  ? mark_held_locks+0x130/0x130
[  344.478952]  ? filemap_map_pages+0xd6b/0x1a20
[  344.483448]  ? lock_downgrade+0x900/0x900
[  344.487596]  ? check_preemption_disabled+0x48/0x280
[  344.492613]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.497553]  ? kasan_check_read+0x11/0x20
[  344.501711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.506983]  ? rcu_softirq_qs+0x20/0x20
[  344.510969]  ? filemap_map_pages+0xd92/0x1a20
[  344.515472]  ? print_usage_bug+0xc0/0xc0
[  344.519556]  ? find_get_entries_tag+0x1400/0x1400
[  344.524419]  ? __kasan_slab_free+0x102/0x150
[  344.528867]  ? kasan_slab_free+0xe/0x10
[  344.532838]  ? kmem_cache_free+0x83/0x290
[  344.536985]  ? __sigqueue_free.part.29+0x74/0x90
[  344.541752]  ? lock_acquire+0x1ed/0x520
[  344.545736]  ? ext4_filemap_fault+0x7a/0xad
[  344.550090]  ? lock_release+0xa00/0xa00
[  344.554079]  ? perf_trace_sched_process_exec+0x860/0x860
[  344.559668]  ? print_usage_bug+0xc0/0xc0
[  344.563740]  ? print_usage_bug+0xc0/0xc0
[  344.567817]  ? down_read+0x8d/0x120
[  344.571437]  ? ext4_filemap_fault+0x7a/0xad
[  344.575756]  ? __down_interruptible+0x700/0x700
[  344.580445]  ext4_filemap_fault+0x82/0xad
[  344.584596]  __do_fault+0x100/0x6b0
[  344.588240]  ? pmd_devmap_trans_unstable+0x220/0x220
[  344.593346]  ? mark_held_locks+0x130/0x130
[  344.597578]  ? mark_held_locks+0x130/0x130
[  344.601815]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  344.607357]  ? rcu_pm_notify+0xc0/0xc0
[  344.611255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.616800]  __handle_mm_fault+0x3ea0/0x5be0
[  344.621262]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  344.626131]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.630641]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.635222]  ? trace_hardirqs_on+0xbd/0x310
[  344.639539]  ? kasan_check_read+0x11/0x20
[  344.643686]  ? __set_current_blocked+0xdf/0x120
[  344.648352]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.653460]  ? zap_class+0x640/0x640
[  344.657170]  ? zap_class+0x640/0x640
[  344.660887]  ? find_held_lock+0x36/0x1c0
[  344.664951]  ? handle_mm_fault+0x42a/0xc70
[  344.669196]  ? lock_downgrade+0x900/0x900
[  344.673358]  ? check_preemption_disabled+0x48/0x280
[  344.678377]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.683308]  ? kasan_check_read+0x11/0x20
[  344.687457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.693236]  ? rcu_softirq_qs+0x20/0x20
[  344.697207]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.702316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.707853]  ? check_preemption_disabled+0x48/0x280
[  344.712873]  handle_mm_fault+0x54f/0xc70
[  344.716931]  ? __handle_mm_fault+0x5be0/0x5be0
[  344.721515]  ? find_vma+0x34/0x190
[  344.725064]  __do_page_fault+0x5e8/0xe60
[  344.729142]  ? exit_to_usermode_loop+0x1f4/0x380
[  344.733908]  do_page_fault+0xf2/0x7e0
[  344.737710]  ? vmalloc_sync_all+0x30/0x30
[  344.741860]  ? error_entry+0x70/0xd0
[  344.745585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.750600]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.755538]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.760468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.765308]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.770324]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  344.775773]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.780789]  ? page_fault+0x8/0x30
[  344.784347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.789190]  ? page_fault+0x8/0x30
[  344.792758]  page_fault+0x1e/0x30
[  344.796210] RIP: 0033:0x45db60
[  344.799415] Code: Bad RIP value.
[  344.802775] RSP: 002b:000000c420009ab8 EFLAGS: 00010286
[  344.808135] RAX: 0000000000000000 RBX: 00000000014edf40 RCX: 000000000045ddf3
[  344.815399] RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
[  344.822687] RBP: 00007fffbe911310 R08: 0000000000000000 R09: 0000000000000000
[  344.829951] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[  344.837230] R13: 00000000000000ff R14: 00000000000000ff R15: 000000000000000f
[  344.844519] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc1+ #142
[  344.844604] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.850752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.850761] Call Trace:
[  344.857328] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.866579]  <IRQ>
[  344.869144] syz-fuzzer cpuset=/ mems_allowed=0
[  344.879401]  dump_stack+0x244/0x39d
[  344.889738]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.894943]  warn_alloc.cold.116+0xb7/0x1bd
[  344.899290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.904137]  ? lock_downgrade+0x900/0x900
[  344.908289]  ? trace_hardirqs_off+0xb8/0x310
[  344.912709]  ? trace_hardirqs_off+0xb8/0x310
[  344.917121]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.921987]  ? warn_alloc+0x120/0x120
[  344.925796]  ? print_usage_bug+0xc0/0xc0
[  344.929854]  ? warn_alloc+0x120/0x120
[  344.933660]  ? warn_alloc+0x120/0x120
[  344.937461]  ? print_usage_bug+0xc0/0xc0
[  344.941518]  ? kvm_clock_read+0x18/0x30
[  344.945504]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  344.950550]  ? print_usage_bug+0xc0/0xc0
[  344.954626]  ? __lock_acquire+0x62f/0x4c20
[  344.958861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.964392]  ? should_fail+0x22d/0xd01
[  344.968273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.973628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.978767]  ? __lock_acquire+0x62f/0x4c20
[  344.983015]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.988123]  ? __lock_acquire+0x62f/0x4c20
[  344.992353]  ? should_fail+0x22d/0xd01
[  344.996232]  ? rcu_irq_exit+0x1a2/0x390
[  345.000212]  ? mark_held_locks+0x130/0x130
[  345.004460]  ? mark_held_locks+0x130/0x130
[  345.008697]  ? mark_held_locks+0xc7/0x130
[  345.012839]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  345.017860]  ? zap_class+0x640/0x640
[  345.021575]  ? print_usage_bug+0xc0/0xc0
[  345.025635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.031172]  ? check_preemption_disabled+0x48/0x280
[  345.036198]  ? __lock_is_held+0xb5/0x140
[  345.040276]  __alloc_pages_nodemask+0xa80/0xde0
[  345.044948]  ? zap_class+0x640/0x640
[  345.048679]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.053700]  ? find_held_lock+0x36/0x1c0
[  345.057765]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.062461]  ? lock_downgrade+0x900/0x900
[  345.066609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.072149]  cache_grow_begin+0xa5/0x8c0
[  345.076226]  ? do_raw_spin_unlock+0xa7/0x330
[  345.080654]  fallback_alloc+0x204/0x2e0
[  345.084644]  ____cache_alloc_node+0x1c7/0x1e0
[  345.089144]  kmem_cache_alloc_node+0xe3/0x730
[  345.093638]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.097879]  __alloc_skb+0x119/0x770
[  345.101616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.106896]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.111309]  ? lock_downgrade+0x900/0x900
[  345.115463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.121000]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.126459]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.131935]  ? addrconf_rs_timer+0x690/0x690
[  345.136393]  ndisc_alloc_skb+0x144/0x340
[  345.140458]  ndisc_send_rs+0x331/0x6e0
[  345.144356]  addrconf_rs_timer+0x314/0x690
[  345.148594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.152850]  call_timer_fn+0x272/0x920
[  345.156738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.160973]  ? process_timeout+0x40/0x40
[  345.165087]  ? mark_held_locks+0xc7/0x130